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-rw-r--r--drivers/video/Kconfig29
-rw-r--r--drivers/video/Makefile3
-rw-r--r--drivers/video/backlight/locomolcd.c4
-rw-r--r--drivers/video/bw2.c8
-rw-r--r--drivers/video/carminefb.c2
-rw-r--r--drivers/video/cg14.c10
-rw-r--r--drivers/video/cg3.c8
-rw-r--r--drivers/video/cg6.c10
-rw-r--r--drivers/video/console/Kconfig2
-rw-r--r--drivers/video/console/bitblit.c2
-rw-r--r--drivers/video/console/fbcon.c32
-rw-r--r--drivers/video/console/fbcon.h1
-rw-r--r--drivers/video/console/fbcon_ccw.c2
-rw-r--r--drivers/video/console/fbcon_cw.c2
-rw-r--r--drivers/video/console/fbcon_ud.c2
-rw-r--r--drivers/video/console/vgacon.c2
-rw-r--r--drivers/video/controlfb.c2
-rw-r--r--drivers/video/efifb.c8
-rw-r--r--drivers/video/fbmem.c6
-rw-r--r--drivers/video/ffb.c8
-rw-r--r--drivers/video/fsl-diu-fb.c145
-rw-r--r--drivers/video/igafb.c5
-rw-r--r--drivers/video/imxfb.c85
-rw-r--r--drivers/video/jz4740_fb.c847
-rw-r--r--drivers/video/leo.c10
-rw-r--r--drivers/video/matrox/i2c-matroxfb.c2
-rw-r--r--drivers/video/mb862xx/mb862xxfb.c4
-rw-r--r--drivers/video/msm/mddi.c4
-rw-r--r--drivers/video/msm/mdp.c1
-rw-r--r--drivers/video/offb.c3
-rw-r--r--drivers/video/omap/lcd_apollon.c3
-rw-r--r--drivers/video/omap2/displays/panel-acx565akm.c4
-rw-r--r--drivers/video/omap2/displays/panel-taal.c567
-rw-r--r--drivers/video/omap2/displays/panel-toppoly-tdo35s.c8
-rw-r--r--drivers/video/omap2/dss/dispc.c16
-rw-r--r--drivers/video/omap2/dss/display.c4
-rw-r--r--drivers/video/omap2/dss/dsi.c463
-rw-r--r--drivers/video/omap2/dss/dss.c6
-rw-r--r--drivers/video/omap2/dss/dss.h11
-rw-r--r--drivers/video/omap2/dss/manager.c204
-rw-r--r--drivers/video/omap2/dss/overlay.c2
-rw-r--r--drivers/video/omap2/dss/rfbi.c2
-rw-r--r--drivers/video/omap2/omapfb/omapfb-ioctl.c188
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c229
-rw-r--r--drivers/video/omap2/omapfb/omapfb-sysfs.c70
-rw-r--r--drivers/video/omap2/omapfb/omapfb.h29
-rw-r--r--drivers/video/omap2/vram.c33
-rw-r--r--drivers/video/p9100.c8
-rw-r--r--drivers/video/platinumfb.c4
-rw-r--r--drivers/video/s3c-fb.c811
-rw-r--r--drivers/video/sh_mipi_dsi.c505
-rw-r--r--drivers/video/sh_mobile_hdmi.c1028
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c196
-rw-r--r--drivers/video/sunxvr1000.c8
-rw-r--r--drivers/video/tcx.c10
-rw-r--r--drivers/video/tdfxfb.c4
-rw-r--r--drivers/video/tgafb.c2
-rw-r--r--drivers/video/uvesafb.c7
-rw-r--r--drivers/video/via/chip.h1
-rw-r--r--drivers/video/via/hw.c587
-rw-r--r--drivers/video/via/hw.h14
-rw-r--r--drivers/video/via/ioctl.h3
-rw-r--r--drivers/video/via/lcd.c117
-rw-r--r--drivers/video/via/lcd.h5
-rw-r--r--drivers/video/via/share.h309
-rw-r--r--drivers/video/via/via-core.c22
-rw-r--r--drivers/video/via/via-gpio.c2
-rw-r--r--drivers/video/via/viafbdev.c284
-rw-r--r--drivers/video/vt8623fb.c2
-rw-r--r--drivers/video/w100fb.c4
-rw-r--r--drivers/video/xen-fbfront.c2
-rw-r--r--drivers/video/xilinxfb.c6
-rw-r--r--include/linux/fsl-diu-fb.h (renamed from drivers/video/fsl-diu-fb.h)0
73 files changed, 5299 insertions, 1730 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 3d94a1471724..8b31fdfefc98 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1505,7 +1505,7 @@ config FB_SIS_315
config FB_VIA
tristate "VIA UniChrome (Pro) and Chrome9 display support"
- depends on FB && PCI
+ depends on FB && PCI && X86
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
@@ -1871,6 +1871,7 @@ config FB_MBX_DEBUG
config FB_FSL_DIU
tristate "Freescale DIU framebuffer support"
depends on FB && FSL_SOC
+ select FB_MODE_HELPERS
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
@@ -1895,6 +1896,13 @@ config FB_W100
If unsure, say N.
+config SH_MIPI_DSI
+ tristate
+ depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
+
+config SH_LCD_MIPI_DSI
+ bool
+
config FB_SH_MOBILE_LCDC
tristate "SuperH Mobile LCDC framebuffer support"
depends on FB && (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
@@ -1903,9 +1911,17 @@ config FB_SH_MOBILE_LCDC
select FB_SYS_IMAGEBLIT
select FB_SYS_FOPS
select FB_DEFERRED_IO
+ select SH_MIPI_DSI if SH_LCD_MIPI_DSI
---help---
Frame buffer driver for the on-chip SH-Mobile LCD controller.
+config FB_SH_MOBILE_HDMI
+ tristate "SuperH Mobile HDMI controller support"
+ depends on FB_SH_MOBILE_LCDC
+ select FB_MODE_HELPERS
+ ---help---
+ Driver for the on-chip SH-Mobile HDMI controller.
+
config FB_TMIO
tristate "Toshiba Mobile IO FrameBuffer support"
depends on FB && MFD_CORE
@@ -1930,7 +1946,7 @@ config FB_TMIO_ACCELL
config FB_S3C
tristate "Samsung S3C framebuffer support"
- depends on FB && ARCH_S3C64XX
+ depends on FB && S3C_DEV_FB
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
@@ -2229,6 +2245,15 @@ config FB_BROADSHEET
and could also have been called by other names when coupled with
a bridge adapter.
+config FB_JZ4740
+ tristate "JZ4740 LCD framebuffer support"
+ depends on FB && MACH_JZ4740
+ select FB_SYS_FILLRECT
+ select FB_SYS_COPYAREA
+ select FB_SYS_IMAGEBLIT
+ help
+ Framebuffer support for the JZ4740 SoC.
+
source "drivers/video/omap/Kconfig"
source "drivers/video/omap2/Kconfig"
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index ddc2af2ba45b..485e8ed1318c 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -123,6 +123,8 @@ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o
obj-$(CONFIG_FB_PS3) += ps3fb.o
obj-$(CONFIG_FB_SM501) += sm501fb.o
obj-$(CONFIG_FB_XILINX) += xilinxfb.o
+obj-$(CONFIG_SH_MIPI_DSI) += sh_mipi_dsi.o
+obj-$(CONFIG_FB_SH_MOBILE_HDMI) += sh_mobile_hdmi.o
obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o
obj-$(CONFIG_FB_OMAP) += omap/
obj-y += omap2/
@@ -131,6 +133,7 @@ obj-$(CONFIG_FB_CARMINE) += carminefb.o
obj-$(CONFIG_FB_MB862XX) += mb862xx/
obj-$(CONFIG_FB_MSM) += msm/
obj-$(CONFIG_FB_NUC900) += nuc900fb.o
+obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o
# Platform or fallback drivers go here
obj-$(CONFIG_FB_UVESA) += uvesafb.o
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 7571bc26071e..d2f59015d517 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -2,7 +2,7 @@
* Backlight control code for Sharp Zaurus SL-5500
*
* Copyright 2005 John Lenz <lenz@cs.wisc.edu>
- * Maintainer: Pavel Machek <pavel@suse.cz> (unless John wants to :-)
+ * Maintainer: Pavel Machek <pavel@ucw.cz> (unless John wants to :-)
* GPL v2
*
* This driver assumes single CPU. That's okay, because collie is
@@ -246,6 +246,6 @@ static void __exit locomolcd_exit(void)
module_init(locomolcd_init);
module_exit(locomolcd_exit);
-MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@suse.cz>");
+MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@ucw.cz>");
MODULE_DESCRIPTION("Collie LCD driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index 09f1b9b462f4..4dc13467281d 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -273,7 +273,7 @@ static int __devinit bw2_do_default_mode(struct bw2_par *par,
return 0;
}
-static int __devinit bw2_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit bw2_probe(struct platform_device *op, const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
struct fb_info *info;
@@ -350,7 +350,7 @@ out_err:
return err;
}
-static int __devexit bw2_remove(struct of_device *op)
+static int __devexit bw2_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct bw2_par *par = info->par;
@@ -390,12 +390,12 @@ static int __init bw2_init(void)
if (fb_get_options("bw2fb", NULL))
return -ENODEV;
- return of_register_driver(&bw2_driver, &of_bus_type);
+ return of_register_platform_driver(&bw2_driver);
}
static void __exit bw2_exit(void)
{
- of_unregister_driver(&bw2_driver);
+ of_unregister_platform_driver(&bw2_driver);
}
module_init(bw2_init);
diff --git a/drivers/video/carminefb.c b/drivers/video/carminefb.c
index d8345fcc4fe3..6b19136aa181 100644
--- a/drivers/video/carminefb.c
+++ b/drivers/video/carminefb.c
@@ -432,7 +432,7 @@ static int init_hardware(struct carmine_hw *hw)
u32 loops;
u32 ret;
- /* Initalize Carmine */
+ /* Initialize Carmine */
/* Sets internal clock */
c_set_hw_reg(hw, CARMINE_CTL_REG + CARMINE_CTL_REG_CLOCK_ENABLE,
CARMINE_DFLT_IP_CLOCK_ENABLE);
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
index e5dc2241194f..24249535ac86 100644
--- a/drivers/video/cg14.c
+++ b/drivers/video/cg14.c
@@ -446,7 +446,7 @@ static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __devinitdata = {
{ .size = 0 }
};
-static void cg14_unmap_regs(struct of_device *op, struct fb_info *info,
+static void cg14_unmap_regs(struct platform_device *op, struct fb_info *info,
struct cg14_par *par)
{
if (par->regs)
@@ -463,7 +463,7 @@ static void cg14_unmap_regs(struct of_device *op, struct fb_info *info,
info->screen_base, info->fix.smem_len);
}
-static int __devinit cg14_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit cg14_probe(struct platform_device *op, const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
struct fb_info *info;
@@ -570,7 +570,7 @@ out_err:
return err;
}
-static int __devexit cg14_remove(struct of_device *op)
+static int __devexit cg14_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct cg14_par *par = info->par;
@@ -610,12 +610,12 @@ static int __init cg14_init(void)
if (fb_get_options("cg14fb", NULL))
return -ENODEV;
- return of_register_driver(&cg14_driver, &of_bus_type);
+ return of_register_platform_driver(&cg14_driver);
}
static void __exit cg14_exit(void)
{
- of_unregister_driver(&cg14_driver);
+ of_unregister_platform_driver(&cg14_driver);
}
module_init(cg14_init);
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index 558d73a948a0..09c0c3c42482 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -346,7 +346,7 @@ static int __devinit cg3_do_default_mode(struct cg3_par *par)
return 0;
}
-static int __devinit cg3_probe(struct of_device *op,
+static int __devinit cg3_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
@@ -433,7 +433,7 @@ out_err:
return err;
}
-static int __devexit cg3_remove(struct of_device *op)
+static int __devexit cg3_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct cg3_par *par = info->par;
@@ -477,12 +477,12 @@ static int __init cg3_init(void)
if (fb_get_options("cg3fb", NULL))
return -ENODEV;
- return of_register_driver(&cg3_driver, &of_bus_type);
+ return of_register_platform_driver(&cg3_driver);
}
static void __exit cg3_exit(void)
{
- of_unregister_driver(&cg3_driver);
+ of_unregister_platform_driver(&cg3_driver);
}
module_init(cg3_init);
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 480d761a27a8..2b5a97058b08 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -718,7 +718,7 @@ static void __devinit cg6_chip_init(struct fb_info *info)
sbus_writel(info->var.yres - 1, &fbc->clipmaxy);
}
-static void cg6_unmap_regs(struct of_device *op, struct fb_info *info,
+static void cg6_unmap_regs(struct platform_device *op, struct fb_info *info,
struct cg6_par *par)
{
if (par->fbc)
@@ -737,7 +737,7 @@ static void cg6_unmap_regs(struct of_device *op, struct fb_info *info,
info->fix.smem_len);
}
-static int __devinit cg6_probe(struct of_device *op,
+static int __devinit cg6_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
@@ -827,7 +827,7 @@ out_err:
return err;
}
-static int __devexit cg6_remove(struct of_device *op)
+static int __devexit cg6_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct cg6_par *par = info->par;
@@ -870,12 +870,12 @@ static int __init cg6_init(void)
if (fb_get_options("cg6fb", NULL))
return -ENODEV;
- return of_register_driver(&cg6_driver, &of_bus_type);
+ return of_register_platform_driver(&cg6_driver);
}
static void __exit cg6_exit(void)
{
- of_unregister_driver(&cg6_driver);
+ of_unregister_platform_driver(&cg6_driver);
}
module_init(cg6_init);
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index 8e8f18d29d7a..5a35f22372b9 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -6,7 +6,7 @@ menu "Console display driver support"
config VGA_CONSOLE
bool "VGA text console" if EMBEDDED || !X86
- depends on !ARCH_ACORN && !ARCH_EBSA110 && !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && !ARCH_VERSATILE && !SUPERH && !BLACKFIN && !AVR32 && !MN10300
+ depends on !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && !SUPERH && !BLACKFIN && !AVR32 && !MN10300 && (!ARM || ARCH_FOOTBRIDGE || ARCH_INTEGRATOR || ARCH_NETWINDER)
default y
help
Saying Y here will allow you to use Linux in text mode through a
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index af88651b0735..28b1a834906b 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -22,7 +22,7 @@
/*
* Accelerated handlers.
*/
-static inline void update_attr(u8 *dst, u8 *src, int attribute,
+static void update_attr(u8 *dst, u8 *src, int attribute,
struct vc_data *vc)
{
int i, offset = (vc->vc_font.height < 10) ? 1 : 2;
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index b0a3fa00706d..84f842331dfa 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -283,10 +283,11 @@ static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
struct fbcon_ops *ops = info->fbcon_par;
return (info->state != FBINFO_STATE_RUNNING ||
- vc->vc_mode != KD_TEXT || ops->graphics);
+ vc->vc_mode != KD_TEXT || ops->graphics) &&
+ !vt_force_oops_output(vc);
}
-static inline int get_color(struct vc_data *vc, struct fb_info *info,
+static int get_color(struct vc_data *vc, struct fb_info *info,
u16 c, int is_fg)
{
int depth = fb_get_color_depth(&info->var, &info->fix);
@@ -1073,6 +1074,7 @@ static void fbcon_init(struct vc_data *vc, int init)
if (p->userfont)
charcnt = FNTCHARCNT(p->fontdata);
+ vc->vc_panic_force_write = !!(info->flags & FBINFO_CAN_FORCE_OUTPUT);
vc->vc_can_do_color = (fb_get_color_depth(&info->var, &info->fix)!=1);
vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800;
if (charcnt == 256) {
@@ -2342,6 +2344,30 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
return 0;
}
+static int fbcon_debug_enter(struct vc_data *vc)
+{
+ struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
+
+ ops->save_graphics = ops->graphics;
+ ops->graphics = 0;
+ if (info->fbops->fb_debug_enter)
+ info->fbops->fb_debug_enter(info);
+ fbcon_set_palette(vc, color_table);
+ return 0;
+}
+
+static int fbcon_debug_leave(struct vc_data *vc)
+{
+ struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
+
+ ops->graphics = ops->save_graphics;
+ if (info->fbops->fb_debug_leave)
+ info->fbops->fb_debug_leave(info);
+ return 0;
+}
+
static int fbcon_get_font(struct vc_data *vc, struct console_font *font)
{
u8 *fontdata = vc->vc_font.data;
@@ -3276,6 +3302,8 @@ static const struct consw fb_con = {
.con_screen_pos = fbcon_screen_pos,
.con_getxy = fbcon_getxy,
.con_resize = fbcon_resize,
+ .con_debug_enter = fbcon_debug_enter,
+ .con_debug_leave = fbcon_debug_leave,
};
static struct notifier_block fbcon_event_notifier = {
diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index 89a346880ec0..6bd2e0c7f209 100644
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -74,6 +74,7 @@ struct fbcon_ops {
int cursor_reset;
int blank_state;
int graphics;
+ int save_graphics; /* for debug enter/leave */
int flags;
int rotate;
int cur_rotate;
diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c
index d135671d9961..41b32ae23dac 100644
--- a/drivers/video/console/fbcon_ccw.c
+++ b/drivers/video/console/fbcon_ccw.c
@@ -22,7 +22,7 @@
* Rotation 270 degrees
*/
-static inline void ccw_update_attr(u8 *dst, u8 *src, int attribute,
+static void ccw_update_attr(u8 *dst, u8 *src, int attribute,
struct vc_data *vc)
{
int i, j, offset = (vc->vc_font.height < 10) ? 1 : 2;
diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
index 126110f8454f..6a737827beb1 100644
--- a/drivers/video/console/fbcon_cw.c
+++ b/drivers/video/console/fbcon_cw.c
@@ -22,7 +22,7 @@
* Rotation 90 degrees
*/
-static inline void cw_update_attr(u8 *dst, u8 *src, int attribute,
+static void cw_update_attr(u8 *dst, u8 *src, int attribute,
struct vc_data *vc)
{
int i, j, offset = (vc->vc_font.height < 10) ? 1 : 2;
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
index 93a3e7381b50..ff0872c0498b 100644
--- a/drivers/video/console/fbcon_ud.c
+++ b/drivers/video/console/fbcon_ud.c
@@ -22,7 +22,7 @@
* Rotation 180 degrees
*/
-static inline void ud_update_attr(u8 *dst, u8 *src, int attribute,
+static void ud_update_attr(u8 *dst, u8 *src, int attribute,
struct vc_data *vc)
{
int i, offset = (vc->vc_font.height < 10) ? 1 : 2;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 182dd6f8aadd..54e32c513610 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1108,7 +1108,6 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512)
charmap += 4 * cmapsz;
#endif
- unlock_kernel();
spin_lock_irq(&vga_lock);
/* First, the Sequencer */
vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1);
@@ -1192,7 +1191,6 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512)
vga_wattr(state->vgabase, VGA_AR_ENABLE_DISPLAY, 0);
}
spin_unlock_irq(&vga_lock);
- lock_kernel();
return 0;
}
diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c
index 49fcbe8f18ac..c225dcce89e7 100644
--- a/drivers/video/controlfb.c
+++ b/drivers/video/controlfb.c
@@ -40,6 +40,8 @@
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c
index 4a56f46af40a..815f84b07933 100644
--- a/drivers/video/efifb.c
+++ b/drivers/video/efifb.c
@@ -16,7 +16,7 @@
#include <video/vga.h>
-static struct fb_var_screeninfo efifb_defined __initdata = {
+static struct fb_var_screeninfo efifb_defined __devinitdata = {
.activate = FB_ACTIVATE_NOW,
.height = -1,
.width = -1,
@@ -27,7 +27,7 @@ static struct fb_var_screeninfo efifb_defined __initdata = {
.vmode = FB_VMODE_NONINTERLACED,
};
-static struct fb_fix_screeninfo efifb_fix __initdata = {
+static struct fb_fix_screeninfo efifb_fix __devinitdata = {
.id = "EFI VGA",
.type = FB_TYPE_PACKED_PIXELS,
.accel = FB_ACCEL_NONE,
@@ -59,7 +59,7 @@ static struct efifb_dmi_info {
int stride;
int width;
int height;
-} dmi_list[] = {
+} dmi_list[] __initdata = {
[M_I17] = { "i17", 0x80010000, 1472 * 4, 1440, 900 },
[M_I20] = { "i20", 0x80010000, 1728 * 4, 1680, 1050 }, /* guess */
[M_I20_SR] = { "imac7", 0x40010000, 1728 * 4, 1680, 1050 },
@@ -83,7 +83,7 @@ static int set_system(const struct dmi_system_id *id);
DMI_MATCH(DMI_PRODUCT_NAME, name) }, \
&dmi_list[enumid] }
-static struct dmi_system_id __initdata dmi_system_table[] = {
+static const struct dmi_system_id dmi_system_table[] __initconst = {
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac4,1", M_I17),
/* At least one of these two will be right; maybe both? */
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac5,1", M_I20),
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 731fce64df9d..b06647517c0e 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1362,6 +1362,7 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
vma->vm_pgoff = off >> PAGE_SHIFT;
/* This is an IO map - tell maydump to skip this VMA */
vma->vm_flags |= VM_IO | VM_RESERVED;
+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
fb_pgprotect(file, vma, off);
if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
vma->vm_end - vma->vm_start, vma->vm_page_prot))
@@ -1786,7 +1787,7 @@ static int ofonly __read_mostly;
int fb_get_options(char *name, char **option)
{
char *opt, *options = NULL;
- int opt_len, retval = 0;
+ int retval = 0;
int name_len = strlen(name), i;
if (name_len && ofonly && strncmp(name, "offb", 4))
@@ -1796,8 +1797,7 @@ int fb_get_options(char *name, char **option)
for (i = 0; i < FB_MAX; i++) {
if (video_options[i] == NULL)
continue;
- opt_len = strlen(video_options[i]);
- if (!opt_len)
+ if (!video_options[i][0])
continue;
opt = video_options[i];
if (!strncmp(name, opt, name_len) &&
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index 95c0227f47fc..6739b2af3bc0 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -893,7 +893,7 @@ static void ffb_init_fix(struct fb_info *info)
info->fix.accel = FB_ACCEL_SUN_CREATOR;
}
-static int __devinit ffb_probe(struct of_device *op,
+static int __devinit ffb_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
@@ -1023,7 +1023,7 @@ out_err:
return err;
}
-static int __devexit ffb_remove(struct of_device *op)
+static int __devexit ffb_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct ffb_par *par = info->par;
@@ -1067,12 +1067,12 @@ static int __init ffb_init(void)
if (fb_get_options("ffb", NULL))
return -ENODEV;
- return of_register_driver(&ffb_driver, &of_bus_type);
+ return of_register_platform_driver(&ffb_driver);
}
static void __exit ffb_exit(void)
{
- of_unregister_driver(&ffb_driver);
+ of_unregister_platform_driver(&ffb_driver);
}
module_init(ffb_init);
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 27455ce298b7..8bbbf08fa3ce 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -34,7 +34,8 @@
#include <linux/of_platform.h>
#include <sysdev/fsl_soc.h>
-#include "fsl-diu-fb.h"
+#include <linux/fsl-diu-fb.h>
+#include "edid.h"
/*
* These parameters give default parameters
@@ -217,6 +218,7 @@ struct mfb_info {
int x_aoi_d; /* aoi display x offset to physical screen */
int y_aoi_d; /* aoi display y offset to physical screen */
struct fsl_diu_data *parent;
+ u8 *edid_data;
};
@@ -317,6 +319,17 @@ static void fsl_diu_free(void *virt, size_t size)
free_pages_exact(virt, size);
}
+/*
+ * Workaround for failed writing desc register of planes.
+ * Needed with MPC5121 DIU rev 2.0 silicon.
+ */
+void wr_reg_wa(u32 *reg, u32 val)
+{
+ do {
+ out_be32(reg, val);
+ } while (in_be32(reg) != val);
+}
+
static int fsl_diu_enable_panel(struct fb_info *info)
{
struct mfb_info *pmfbi, *cmfbi, *mfbi = info->par;
@@ -330,7 +343,7 @@ static int fsl_diu_enable_panel(struct fb_info *info)
switch (mfbi->index) {
case 0: /* plane 0 */
if (hw->desc[0] != ad->paddr)
- out_be32(&hw->desc[0], ad->paddr);
+ wr_reg_wa(&hw->desc[0], ad->paddr);
break;
case 1: /* plane 1 AOI 0 */
cmfbi = machine_data->fsl_diu_info[2]->par;
@@ -340,7 +353,7 @@ static int fsl_diu_enable_panel(struct fb_info *info)
cpu_to_le32(cmfbi->ad->paddr);
else
ad->next_ad = 0;
- out_be32(&hw->desc[1], ad->paddr);
+ wr_reg_wa(&hw->desc[1], ad->paddr);
}
break;
case 3: /* plane 2 AOI 0 */
@@ -351,14 +364,14 @@ static int fsl_diu_enable_panel(struct fb_info *info)
cpu_to_le32(cmfbi->ad->paddr);
else
ad->next_ad = 0;
- out_be32(&hw->desc[2], ad->paddr);
+ wr_reg_wa(&hw->desc[2], ad->paddr);
}
break;
case 2: /* plane 1 AOI 1 */
pmfbi = machine_data->fsl_diu_info[1]->par;
ad->next_ad = 0;
if (hw->desc[1] == machine_data->dummy_ad->paddr)
- out_be32(&hw->desc[1], ad->paddr);
+ wr_reg_wa(&hw->desc[1], ad->paddr);
else /* AOI0 open */
pmfbi->ad->next_ad = cpu_to_le32(ad->paddr);
break;
@@ -366,7 +379,7 @@ static int fsl_diu_enable_panel(struct fb_info *info)
pmfbi = machine_data->fsl_diu_info[3]->par;
ad->next_ad = 0;
if (hw->desc[2] == machine_data->dummy_ad->paddr)
- out_be32(&hw->desc[2], ad->paddr);
+ wr_reg_wa(&hw->desc[2], ad->paddr);
else /* AOI0 was open */
pmfbi->ad->next_ad = cpu_to_le32(ad->paddr);
break;
@@ -390,27 +403,24 @@ static int fsl_diu_disable_panel(struct fb_info *info)
switch (mfbi->index) {
case 0: /* plane 0 */
if (hw->desc[0] != machine_data->dummy_ad->paddr)
- out_be32(&hw->desc[0],
- machine_data->dummy_ad->paddr);
+ wr_reg_wa(&hw->desc[0], machine_data->dummy_ad->paddr);
break;
case 1: /* plane 1 AOI 0 */
cmfbi = machine_data->fsl_diu_info[2]->par;
if (cmfbi->count > 0) /* AOI1 is open */
- out_be32(&hw->desc[1], cmfbi->ad->paddr);
+ wr_reg_wa(&hw->desc[1], cmfbi->ad->paddr);
/* move AOI1 to the first */
else /* AOI1 was closed */
- out_be32(&hw->desc[1],
- machine_data->dummy_ad->paddr);
+ wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr);
/* close AOI 0 */
break;
case 3: /* plane 2 AOI 0 */
cmfbi = machine_data->fsl_diu_info[4]->par;
if (cmfbi->count > 0) /* AOI1 is open */
- out_be32(&hw->desc[2], cmfbi->ad->paddr);
+ wr_reg_wa(&hw->desc[2], cmfbi->ad->paddr);
/* move AOI1 to the first */
else /* AOI1 was closed */
- out_be32(&hw->desc[2],
- machine_data->dummy_ad->paddr);
+ wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr);
/* close AOI 0 */
break;
case 2: /* plane 1 AOI 1 */
@@ -421,7 +431,7 @@ static int fsl_diu_disable_panel(struct fb_info *info)
/* AOI0 is open, must be the first */
pmfbi->ad->next_ad = 0;
} else /* AOI1 is the first in the chain */
- out_be32(&hw->desc[1], machine_data->dummy_ad->paddr);
+ wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr);
/* close AOI 1 */
break;
case 4: /* plane 2 AOI 1 */
@@ -432,7 +442,7 @@ static int fsl_diu_disable_panel(struct fb_info *info)
/* AOI0 is open, must be the first */
pmfbi->ad->next_ad = 0;
} else /* AOI1 is the first in the chain */
- out_be32(&hw->desc[2], machine_data->dummy_ad->paddr);
+ wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr);
/* close AOI 1 */
break;
default:
@@ -1100,6 +1110,10 @@ static int fsl_diu_open(struct fb_info *info, int user)
struct mfb_info *mfbi = info->par;
int res = 0;
+ /* free boot splash memory on first /dev/fb0 open */
+ if (!mfbi->index && diu_ops.release_bootmem)
+ diu_ops.release_bootmem();
+
spin_lock(&diu_lock);
mfbi->count++;
if (mfbi->count == 1) {
@@ -1173,18 +1187,30 @@ static int __devinit install_fb(struct fb_info *info)
int rc;
struct mfb_info *mfbi = info->par;
const char *aoi_mode, *init_aoi_mode = "320x240";
+ struct fb_videomode *db = fsl_diu_mode_db;
+ unsigned int dbsize = ARRAY_SIZE(fsl_diu_mode_db);
+ int has_default_mode = 1;
if (init_fbinfo(info))
return -EINVAL;
- if (mfbi->index == 0) /* plane 0 */
+ if (mfbi->index == 0) { /* plane 0 */
+ if (mfbi->edid_data) {
+ /* Now build modedb from EDID */
+ fb_edid_to_monspecs(mfbi->edid_data, &info->monspecs);
+ fb_videomode_to_modelist(info->monspecs.modedb,
+ info->monspecs.modedb_len,
+ &info->modelist);
+ db = info->monspecs.modedb;
+ dbsize = info->monspecs.modedb_len;
+ }
aoi_mode = fb_mode;
- else
+ } else {
aoi_mode = init_aoi_mode;
+ }
pr_debug("mode used = %s\n", aoi_mode);
- rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db,
- ARRAY_SIZE(fsl_diu_mode_db), &fsl_diu_default_mode, default_bpp);
-
+ rc = fb_find_mode(&info->var, info, aoi_mode, db, dbsize,
+ &fsl_diu_default_mode, default_bpp);
switch (rc) {
case 1:
pr_debug("using mode specified in @mode\n");
@@ -1202,10 +1228,50 @@ static int __devinit install_fb(struct fb_info *info)
default:
pr_debug("rc = %d\n", rc);
pr_debug("failed to find mode\n");
- return -EINVAL;
+ /*
+ * For plane 0 we continue and look into
+ * driver's internal modedb.
+ */
+ if (mfbi->index == 0 && mfbi->edid_data)
+ has_default_mode = 0;
+ else
+ return -EINVAL;
break;
}
+ if (!has_default_mode) {
+ rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db,
+ ARRAY_SIZE(fsl_diu_mode_db),
+ &fsl_diu_default_mode,
+ default_bpp);
+ if (rc > 0 && rc < 5)
+ has_default_mode = 1;
+ }
+
+ /* Still not found, use preferred mode from database if any */
+ if (!has_default_mode && info->monspecs.modedb) {
+ struct fb_monspecs *specs = &info->monspecs;
+ struct fb_videomode *modedb = &specs->modedb[0];
+
+ /*
+ * Get preferred timing. If not found,
+ * first mode in database will be used.
+ */
+ if (specs->misc & FB_MISC_1ST_DETAIL) {
+ int i;
+
+ for (i = 0; i < specs->modedb_len; i++) {
+ if (specs->modedb[i].flag & FB_MODE_IS_FIRST) {
+ modedb = &specs->modedb[i];
+ break;
+ }
+ }
+ }
+
+ info->var.bits_per_pixel = default_bpp;
+ fb_videomode_to_var(&info->var, modedb);
+ }
+
pr_debug("xres_virtual %d\n", info->var.xres_virtual);
pr_debug("bits_per_pixel %d\n", info->var.bits_per_pixel);
@@ -1244,6 +1310,9 @@ static void uninstall_fb(struct fb_info *info)
if (!mfbi->registered)
return;
+ if (mfbi->index == 0)
+ kfree(mfbi->edid_data);
+
unregister_framebuffer(info);
unmap_video_memory(info);
if (&info->cmap)
@@ -1324,7 +1393,7 @@ static void free_irq_local(int irq)
* Power management hooks. Note that we won't be called from IRQ context,
* unlike the blank functions above, so we may sleep.
*/
-static int fsl_diu_suspend(struct of_device *ofdev, pm_message_t state)
+static int fsl_diu_suspend(struct platform_device *ofdev, pm_message_t state)
{
struct fsl_diu_data *machine_data;
@@ -1334,7 +1403,7 @@ static int fsl_diu_suspend(struct of_device *ofdev, pm_message_t state)
return 0;
}
-static int fsl_diu_resume(struct of_device *ofdev)
+static int fsl_diu_resume(struct platform_device *ofdev)
{
struct fsl_diu_data *machine_data;
@@ -1418,7 +1487,7 @@ static ssize_t show_monitor(struct device *device,
return diu_ops.show_monitor_port(machine_data->monitor_port, buf);
}
-static int __devinit fsl_diu_probe(struct of_device *ofdev,
+static int __devinit fsl_diu_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
struct device_node *np = ofdev->dev.of_node;
@@ -1427,6 +1496,7 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev,
int ret, i, error = 0;
struct resource res;
struct fsl_diu_data *machine_data;
+ int diu_mode;
machine_data = kzalloc(sizeof(struct fsl_diu_data), GFP_KERNEL);
if (!machine_data)
@@ -1443,6 +1513,17 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev,
mfbi = machine_data->fsl_diu_info[i]->par;
memcpy(mfbi, &mfb_template[i], sizeof(struct mfb_info));
mfbi->parent = machine_data;
+
+ if (mfbi->index == 0) {
+ const u8 *prop;
+ int len;
+
+ /* Get EDID */
+ prop = of_get_property(np, "edid", &len);
+ if (prop && len == EDID_LENGTH)
+ mfbi->edid_data = kmemdup(prop, EDID_LENGTH,
+ GFP_KERNEL);
+ }
}
ret = of_address_to_resource(np, 0, &res);
@@ -1463,7 +1544,9 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev,
goto error2;
}
- out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU anyway*/
+ diu_mode = in_be32(&dr.diu_reg->diu_mode);
+ if (diu_mode != MFB_MODE1)
+ out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU */
/* Get the IRQ of the DIU */
machine_data->irq = irq_of_parse_and_map(np, 0);
@@ -1511,7 +1594,13 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev,
machine_data->dummy_ad->offset_xyd = 0;
machine_data->dummy_ad->next_ad = 0;
- out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr);
+ /*
+ * Let DIU display splash screen if it was pre-initialized
+ * by the bootloader, set dummy area descriptor otherwise.
+ */
+ if (diu_mode != MFB_MODE1)
+ out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr);
+
out_be32(&dr.diu_reg->desc[1], machine_data->dummy_ad->paddr);
out_be32(&dr.diu_reg->desc[2], machine_data->dummy_ad->paddr);
@@ -1578,7 +1667,7 @@ error2:
}
-static int fsl_diu_remove(struct of_device *ofdev)
+static int fsl_diu_remove(struct platform_device *ofdev)
{
struct fsl_diu_data *machine_data;
int i;
diff --git a/drivers/video/igafb.c b/drivers/video/igafb.c
index 15d200109446..d885c770eb84 100644
--- a/drivers/video/igafb.c
+++ b/drivers/video/igafb.c
@@ -368,7 +368,7 @@ static int __init iga_init(struct fb_info *info, struct iga_par *par)
return 1;
}
-int __init igafb_init(void)
+static int __init igafb_init(void)
{
struct fb_info *info;
struct pci_dev *pdev;
@@ -531,6 +531,7 @@ int __init igafb_init(void)
iounmap(info->screen_base);
kfree(par->mmap_map);
kfree(info);
+ return -ENODEV;
}
#ifdef CONFIG_SPARC
@@ -556,7 +557,7 @@ int __init igafb_init(void)
return 0;
}
-int __init igafb_setup(char *options)
+static int __init igafb_setup(char *options)
{
char *this_opt;
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index b4b6deceed15..5c363d026f64 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -40,6 +40,12 @@
*/
#define DEBUG_VAR 1
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
+ (defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) && \
+ defined(CONFIG_FB_IMX_MODULE))
+#define PWMR_BACKLIGHT_AVAILABLE
+#endif
+
#define DRIVER_NAME "imx-fb"
#define LCDC_SSA 0x00
@@ -175,6 +181,9 @@ struct imxfb_info {
struct imx_fb_videomode *mode;
int num_modes;
+#ifdef PWMR_BACKLIGHT_AVAILABLE
+ struct backlight_device *bl;
+#endif
void (*lcd_power)(int);
void (*backlight_power)(int);
@@ -449,6 +458,73 @@ static int imxfb_set_par(struct fb_info *info)
return 0;
}
+#ifdef PWMR_BACKLIGHT_AVAILABLE
+static int imxfb_bl_get_brightness(struct backlight_device *bl)
+{
+ struct imxfb_info *fbi = bl_get_data(bl);
+
+ return readl(fbi->regs + LCDC_PWMR) & 0xFF;
+}
+
+static int imxfb_bl_update_status(struct backlight_device *bl)
+{
+ struct imxfb_info *fbi = bl_get_data(bl);
+ int brightness = bl->props.brightness;
+
+ if (bl->props.power != FB_BLANK_UNBLANK)
+ brightness = 0;
+ if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+ brightness = 0;
+
+ fbi->pwmr = (fbi->pwmr & ~0xFF) | brightness;
+
+ if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+ clk_enable(fbi->clk);
+ writel(fbi->pwmr, fbi->regs + LCDC_PWMR);
+ if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+ clk_disable(fbi->clk);
+
+ return 0;
+}
+
+static const struct backlight_ops imxfb_lcdc_bl_ops = {
+ .update_status = imxfb_bl_update_status,
+ .get_brightness = imxfb_bl_get_brightness,
+};
+
+static void imxfb_init_backlight(struct imxfb_info *fbi)
+{
+ struct backlight_properties props;
+ struct backlight_device *bl;
+
+ if (fbi->bl)
+ return;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 0xff;
+ writel(fbi->pwmr, fbi->regs + LCDC_PWMR);
+
+ bl = backlight_device_register("imxfb-bl", &fbi->pdev->dev, fbi,
+ &imxfb_lcdc_bl_ops, &props);
+ if (IS_ERR(bl)) {
+ dev_err(&fbi->pdev->dev, "error %ld on backlight register\n",
+ PTR_ERR(bl));
+ return;
+ }
+
+ fbi->bl = bl;
+ bl->props.power = FB_BLANK_UNBLANK;
+ bl->props.fb_blank = FB_BLANK_UNBLANK;
+ bl->props.brightness = imxfb_bl_get_brightness(bl);
+}
+
+static void imxfb_exit_backlight(struct imxfb_info *fbi)
+{
+ if (fbi->bl)
+ backlight_device_unregister(fbi->bl);
+}
+#endif
+
static void imxfb_enable_controller(struct imxfb_info *fbi)
{
pr_debug("Enabling LCD controller\n");
@@ -579,7 +655,9 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
fbi->regs + LCDC_SIZE);
writel(fbi->pcr, fbi->regs + LCDC_PCR);
+#ifndef PWMR_BACKLIGHT_AVAILABLE
writel(fbi->pwmr, fbi->regs + LCDC_PWMR);
+#endif
writel(fbi->lscr1, fbi->regs + LCDC_LSCR1);
writel(fbi->dmacr, fbi->regs + LCDC_DMACR);
@@ -779,6 +857,10 @@ static int __init imxfb_probe(struct platform_device *pdev)
}
imxfb_enable_controller(fbi);
+ fbi->pdev = pdev;
+#ifdef PWMR_BACKLIGHT_AVAILABLE
+ imxfb_init_backlight(fbi);
+#endif
return 0;
@@ -816,6 +898,9 @@ static int __devexit imxfb_remove(struct platform_device *pdev)
imxfb_disable_controller(fbi);
+#ifdef PWMR_BACKLIGHT_AVAILABLE
+ imxfb_exit_backlight(fbi);
+#endif
unregister_framebuffer(info);
pdata = pdev->dev.platform_data;
diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
new file mode 100644
index 000000000000..670ecaa0385a
--- /dev/null
+++ b/drivers/video/jz4740_fb.c
@@ -0,0 +1,847 @@
+/*
+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ * JZ4740 SoC LCD framebuffer driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+
+#include <linux/console.h>
+#include <linux/fb.h>
+
+#include <linux/dma-mapping.h>
+
+#include <asm/mach-jz4740/jz4740_fb.h>
+#include <asm/mach-jz4740/gpio.h>
+
+#define JZ_REG_LCD_CFG 0x00
+#define JZ_REG_LCD_VSYNC 0x04
+#define JZ_REG_LCD_HSYNC 0x08
+#define JZ_REG_LCD_VAT 0x0C
+#define JZ_REG_LCD_DAH 0x10
+#define JZ_REG_LCD_DAV 0x14
+#define JZ_REG_LCD_PS 0x18
+#define JZ_REG_LCD_CLS 0x1C
+#define JZ_REG_LCD_SPL 0x20
+#define JZ_REG_LCD_REV 0x24
+#define JZ_REG_LCD_CTRL 0x30
+#define JZ_REG_LCD_STATE 0x34
+#define JZ_REG_LCD_IID 0x38
+#define JZ_REG_LCD_DA0 0x40
+#define JZ_REG_LCD_SA0 0x44
+#define JZ_REG_LCD_FID0 0x48
+#define JZ_REG_LCD_CMD0 0x4C
+#define JZ_REG_LCD_DA1 0x50
+#define JZ_REG_LCD_SA1 0x54
+#define JZ_REG_LCD_FID1 0x58
+#define JZ_REG_LCD_CMD1 0x5C
+
+#define JZ_LCD_CFG_SLCD BIT(31)
+#define JZ_LCD_CFG_PS_DISABLE BIT(23)
+#define JZ_LCD_CFG_CLS_DISABLE BIT(22)
+#define JZ_LCD_CFG_SPL_DISABLE BIT(21)
+#define JZ_LCD_CFG_REV_DISABLE BIT(20)
+#define JZ_LCD_CFG_HSYNCM BIT(19)
+#define JZ_LCD_CFG_PCLKM BIT(18)
+#define JZ_LCD_CFG_INV BIT(17)
+#define JZ_LCD_CFG_SYNC_DIR BIT(16)
+#define JZ_LCD_CFG_PS_POLARITY BIT(15)
+#define JZ_LCD_CFG_CLS_POLARITY BIT(14)
+#define JZ_LCD_CFG_SPL_POLARITY BIT(13)
+#define JZ_LCD_CFG_REV_POLARITY BIT(12)
+#define JZ_LCD_CFG_HSYNC_ACTIVE_LOW BIT(11)
+#define JZ_LCD_CFG_PCLK_FALLING_EDGE BIT(10)
+#define JZ_LCD_CFG_DE_ACTIVE_LOW BIT(9)
+#define JZ_LCD_CFG_VSYNC_ACTIVE_LOW BIT(8)
+#define JZ_LCD_CFG_18_BIT BIT(7)
+#define JZ_LCD_CFG_PDW (BIT(5) | BIT(4))
+#define JZ_LCD_CFG_MODE_MASK 0xf
+
+#define JZ_LCD_CTRL_BURST_4 (0x0 << 28)
+#define JZ_LCD_CTRL_BURST_8 (0x1 << 28)
+#define JZ_LCD_CTRL_BURST_16 (0x2 << 28)
+#define JZ_LCD_CTRL_RGB555 BIT(27)
+#define JZ_LCD_CTRL_OFUP BIT(26)
+#define JZ_LCD_CTRL_FRC_GRAYSCALE_16 (0x0 << 24)
+#define JZ_LCD_CTRL_FRC_GRAYSCALE_4 (0x1 << 24)
+#define JZ_LCD_CTRL_FRC_GRAYSCALE_2 (0x2 << 24)
+#define JZ_LCD_CTRL_PDD_MASK (0xff << 16)
+#define JZ_LCD_CTRL_EOF_IRQ BIT(13)
+#define JZ_LCD_CTRL_SOF_IRQ BIT(12)
+#define JZ_LCD_CTRL_OFU_IRQ BIT(11)
+#define JZ_LCD_CTRL_IFU0_IRQ BIT(10)
+#define JZ_LCD_CTRL_IFU1_IRQ BIT(9)
+#define JZ_LCD_CTRL_DD_IRQ BIT(8)
+#define JZ_LCD_CTRL_QDD_IRQ BIT(7)
+#define JZ_LCD_CTRL_REVERSE_ENDIAN BIT(6)
+#define JZ_LCD_CTRL_LSB_FISRT BIT(5)
+#define JZ_LCD_CTRL_DISABLE BIT(4)
+#define JZ_LCD_CTRL_ENABLE BIT(3)
+#define JZ_LCD_CTRL_BPP_1 0x0
+#define JZ_LCD_CTRL_BPP_2 0x1
+#define JZ_LCD_CTRL_BPP_4 0x2
+#define JZ_LCD_CTRL_BPP_8 0x3
+#define JZ_LCD_CTRL_BPP_15_16 0x4
+#define JZ_LCD_CTRL_BPP_18_24 0x5
+
+#define JZ_LCD_CMD_SOF_IRQ BIT(15)
+#define JZ_LCD_CMD_EOF_IRQ BIT(16)
+#define JZ_LCD_CMD_ENABLE_PAL BIT(12)
+
+#define JZ_LCD_SYNC_MASK 0x3ff
+
+#define JZ_LCD_STATE_DISABLED BIT(0)
+
+struct jzfb_framedesc {
+ uint32_t next;
+ uint32_t addr;
+ uint32_t id;
+ uint32_t cmd;
+} __packed;
+
+struct jzfb {
+ struct fb_info *fb;
+ struct platform_device *pdev;
+ void __iomem *base;
+ struct resource *mem;
+ struct jz4740_fb_platform_data *pdata;
+
+ size_t vidmem_size;
+ void *vidmem;
+ dma_addr_t vidmem_phys;
+ struct jzfb_framedesc *framedesc;
+ dma_addr_t framedesc_phys;
+
+ struct clk *ldclk;
+ struct clk *lpclk;
+
+ unsigned is_enabled:1;
+ struct mutex lock;
+
+ uint32_t pseudo_palette[16];
+};
+
+static const struct fb_fix_screeninfo jzfb_fix __devinitdata = {
+ .id = "JZ4740 FB",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+ .xpanstep = 0,
+ .ypanstep = 0,
+ .ywrapstep = 0,
+ .accel = FB_ACCEL_NONE,
+};
+
+static const struct jz_gpio_bulk_request jz_lcd_ctrl_pins[] = {
+ JZ_GPIO_BULK_PIN(LCD_PCLK),
+ JZ_GPIO_BULK_PIN(LCD_HSYNC),
+ JZ_GPIO_BULK_PIN(LCD_VSYNC),
+ JZ_GPIO_BULK_PIN(LCD_DE),
+ JZ_GPIO_BULK_PIN(LCD_PS),
+ JZ_GPIO_BULK_PIN(LCD_REV),
+ JZ_GPIO_BULK_PIN(LCD_CLS),
+ JZ_GPIO_BULK_PIN(LCD_SPL),
+};
+
+static const struct jz_gpio_bulk_request jz_lcd_data_pins[] = {
+ JZ_GPIO_BULK_PIN(LCD_DATA0),
+ JZ_GPIO_BULK_PIN(LCD_DATA1),
+ JZ_GPIO_BULK_PIN(LCD_DATA2),
+ JZ_GPIO_BULK_PIN(LCD_DATA3),
+ JZ_GPIO_BULK_PIN(LCD_DATA4),
+ JZ_GPIO_BULK_PIN(LCD_DATA5),
+ JZ_GPIO_BULK_PIN(LCD_DATA6),
+ JZ_GPIO_BULK_PIN(LCD_DATA7),
+ JZ_GPIO_BULK_PIN(LCD_DATA8),
+ JZ_GPIO_BULK_PIN(LCD_DATA9),
+ JZ_GPIO_BULK_PIN(LCD_DATA10),
+ JZ_GPIO_BULK_PIN(LCD_DATA11),
+ JZ_GPIO_BULK_PIN(LCD_DATA12),
+ JZ_GPIO_BULK_PIN(LCD_DATA13),
+ JZ_GPIO_BULK_PIN(LCD_DATA14),
+ JZ_GPIO_BULK_PIN(LCD_DATA15),
+ JZ_GPIO_BULK_PIN(LCD_DATA16),
+ JZ_GPIO_BULK_PIN(LCD_DATA17),
+};
+
+static unsigned int jzfb_num_ctrl_pins(struct jzfb *jzfb)
+{
+ unsigned int num;
+
+ switch (jzfb->pdata->lcd_type) {
+ case JZ_LCD_TYPE_GENERIC_16_BIT:
+ num = 4;
+ break;
+ case JZ_LCD_TYPE_GENERIC_18_BIT:
+ num = 4;
+ break;
+ case JZ_LCD_TYPE_8BIT_SERIAL:
+ num = 3;
+ break;
+ case JZ_LCD_TYPE_SPECIAL_TFT_1:
+ case JZ_LCD_TYPE_SPECIAL_TFT_2:
+ case JZ_LCD_TYPE_SPECIAL_TFT_3:
+ num = 8;
+ break;
+ default:
+ num = 0;
+ break;
+ }
+ return num;
+}
+
+static unsigned int jzfb_num_data_pins(struct jzfb *jzfb)
+{
+ unsigned int num;
+
+ switch (jzfb->pdata->lcd_type) {
+ case JZ_LCD_TYPE_GENERIC_16_BIT:
+ num = 16;
+ break;
+ case JZ_LCD_TYPE_GENERIC_18_BIT:
+ num = 18;
+ break;
+ case JZ_LCD_TYPE_8BIT_SERIAL:
+ num = 8;
+ break;
+ case JZ_LCD_TYPE_SPECIAL_TFT_1:
+ case JZ_LCD_TYPE_SPECIAL_TFT_2:
+ case JZ_LCD_TYPE_SPECIAL_TFT_3:
+ if (jzfb->pdata->bpp == 18)
+ num = 18;
+ else
+ num = 16;
+ break;
+ default:
+ num = 0;
+ break;
+ }
+ return num;
+}
+
+/* Based on CNVT_TOHW macro from skeletonfb.c */
+static inline uint32_t jzfb_convert_color_to_hw(unsigned val,
+ struct fb_bitfield *bf)
+{
+ return (((val << bf->length) + 0x7FFF - val) >> 16) << bf->offset;
+}
+
+static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp, struct fb_info *fb)
+{
+ uint32_t color;
+
+ if (regno >= 16)
+ return -EINVAL;
+
+ color = jzfb_convert_color_to_hw(red, &fb->var.red);
+ color |= jzfb_convert_color_to_hw(green, &fb->var.green);
+ color |= jzfb_convert_color_to_hw(blue, &fb->var.blue);
+ color |= jzfb_convert_color_to_hw(transp, &fb->var.transp);
+
+ ((uint32_t *)(fb->pseudo_palette))[regno] = color;
+
+ return 0;
+}
+
+static int jzfb_get_controller_bpp(struct jzfb *jzfb)
+{
+ switch (jzfb->pdata->bpp) {
+ case 18:
+ case 24:
+ return 32;
+ case 15:
+ return 16;
+ default:
+ return jzfb->pdata->bpp;
+ }
+}
+
+static struct fb_videomode *jzfb_get_mode(struct jzfb *jzfb,
+ struct fb_var_screeninfo *var)
+{
+ size_t i;
+ struct fb_videomode *mode = jzfb->pdata->modes;
+
+ for (i = 0; i < jzfb->pdata->num_modes; ++i, ++mode) {
+ if (mode->xres == var->xres && mode->yres == var->yres)
+ return mode;
+ }
+
+ return NULL;
+}
+
+static int jzfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb)
+{
+ struct jzfb *jzfb = fb->par;
+ struct fb_videomode *mode;
+
+ if (var->bits_per_pixel != jzfb_get_controller_bpp(jzfb) &&
+ var->bits_per_pixel != jzfb->pdata->bpp)
+ return -EINVAL;
+
+ mode = jzfb_get_mode(jzfb, var);
+ if (mode == NULL)
+ return -EINVAL;
+
+ fb_videomode_to_var(var, mode);
+
+ switch (jzfb->pdata->bpp) {
+ case 8:
+ break;
+ case 15:
+ var->red.offset = 10;
+ var->red.length = 5;
+ var->green.offset = 6;
+ var->green.length = 5;
+ var->blue.offset = 0;
+ var->blue.length = 5;
+ break;
+ case 16:
+ var->red.offset = 11;
+ var->red.length = 5;
+ var->green.offset = 5;
+ var->green.length = 6;
+ var->blue.offset = 0;
+ var->blue.length = 5;
+ break;
+ case 18:
+ var->red.offset = 16;
+ var->red.length = 6;
+ var->green.offset = 8;
+ var->green.length = 6;
+ var->blue.offset = 0;
+ var->blue.length = 6;
+ var->bits_per_pixel = 32;
+ break;
+ case 32:
+ case 24:
+ var->transp.offset = 24;
+ var->transp.length = 8;
+ var->red.offset = 16;
+ var->red.length = 8;
+ var->green.offset = 8;
+ var->green.length = 8;
+ var->blue.offset = 0;
+ var->blue.length = 8;
+ var->bits_per_pixel = 32;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int jzfb_set_par(struct fb_info *info)
+{
+ struct jzfb *jzfb = info->par;
+ struct jz4740_fb_platform_data *pdata = jzfb->pdata;
+ struct fb_var_screeninfo *var = &info->var;
+ struct fb_videomode *mode;
+ uint16_t hds, vds;
+ uint16_t hde, vde;
+ uint16_t ht, vt;
+ uint32_t ctrl;
+ uint32_t cfg;
+ unsigned long rate;
+
+ mode = jzfb_get_mode(jzfb, var);
+ if (mode == NULL)
+ return -EINVAL;
+
+ if (mode == info->mode)
+ return 0;
+
+ info->mode = mode;
+
+ hds = mode->hsync_len + mode->left_margin;
+ hde = hds + mode->xres;
+ ht = hde + mode->right_margin;
+
+ vds = mode->vsync_len + mode->upper_margin;
+ vde = vds + mode->yres;
+ vt = vde + mode->lower_margin;
+
+ ctrl = JZ_LCD_CTRL_OFUP | JZ_LCD_CTRL_BURST_16;
+
+ switch (pdata->bpp) {
+ case 1:
+ ctrl |= JZ_LCD_CTRL_BPP_1;
+ break;
+ case 2:
+ ctrl |= JZ_LCD_CTRL_BPP_2;
+ break;
+ case 4:
+ ctrl |= JZ_LCD_CTRL_BPP_4;
+ break;
+ case 8:
+ ctrl |= JZ_LCD_CTRL_BPP_8;
+ break;
+ case 15:
+ ctrl |= JZ_LCD_CTRL_RGB555; /* Falltrough */
+ case 16:
+ ctrl |= JZ_LCD_CTRL_BPP_15_16;
+ break;
+ case 18:
+ case 24:
+ case 32:
+ ctrl |= JZ_LCD_CTRL_BPP_18_24;
+ break;
+ default:
+ break;
+ }
+
+ cfg = pdata->lcd_type & 0xf;
+
+ if (!(mode->sync & FB_SYNC_HOR_HIGH_ACT))
+ cfg |= JZ_LCD_CFG_HSYNC_ACTIVE_LOW;
+
+ if (!(mode->sync & FB_SYNC_VERT_HIGH_ACT))
+ cfg |= JZ_LCD_CFG_VSYNC_ACTIVE_LOW;
+
+ if (pdata->pixclk_falling_edge)
+ cfg |= JZ_LCD_CFG_PCLK_FALLING_EDGE;
+
+ if (pdata->date_enable_active_low)
+ cfg |= JZ_LCD_CFG_DE_ACTIVE_LOW;
+
+ if (pdata->lcd_type == JZ_LCD_TYPE_GENERIC_18_BIT)
+ cfg |= JZ_LCD_CFG_18_BIT;
+
+ if (mode->pixclock) {
+ rate = PICOS2KHZ(mode->pixclock) * 1000;
+ mode->refresh = rate / vt / ht;
+ } else {
+ if (pdata->lcd_type == JZ_LCD_TYPE_8BIT_SERIAL)
+ rate = mode->refresh * (vt + 2 * mode->xres) * ht;
+ else
+ rate = mode->refresh * vt * ht;
+
+ mode->pixclock = KHZ2PICOS(rate / 1000);
+ }
+
+ mutex_lock(&jzfb->lock);
+ if (!jzfb->is_enabled)
+ clk_enable(jzfb->ldclk);
+ else
+ ctrl |= JZ_LCD_CTRL_ENABLE;
+
+ switch (pdata->lcd_type) {
+ case JZ_LCD_TYPE_SPECIAL_TFT_1:
+ case JZ_LCD_TYPE_SPECIAL_TFT_2:
+ case JZ_LCD_TYPE_SPECIAL_TFT_3:
+ writel(pdata->special_tft_config.spl, jzfb->base + JZ_REG_LCD_SPL);
+ writel(pdata->special_tft_config.cls, jzfb->base + JZ_REG_LCD_CLS);
+ writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_PS);
+ writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_REV);
+ break;
+ default:
+ cfg |= JZ_LCD_CFG_PS_DISABLE;
+ cfg |= JZ_LCD_CFG_CLS_DISABLE;
+ cfg |= JZ_LCD_CFG_SPL_DISABLE;
+ cfg |= JZ_LCD_CFG_REV_DISABLE;
+ break;
+ }
+
+ writel(mode->hsync_len, jzfb->base + JZ_REG_LCD_HSYNC);
+ writel(mode->vsync_len, jzfb->base + JZ_REG_LCD_VSYNC);
+
+ writel((ht << 16) | vt, jzfb->base + JZ_REG_LCD_VAT);
+
+ writel((hds << 16) | hde, jzfb->base + JZ_REG_LCD_DAH);
+ writel((vds << 16) | vde, jzfb->base + JZ_REG_LCD_DAV);
+
+ writel(cfg, jzfb->base + JZ_REG_LCD_CFG);
+
+ writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL);
+
+ if (!jzfb->is_enabled)
+ clk_disable(jzfb->ldclk);
+
+ mutex_unlock(&jzfb->lock);
+
+ clk_set_rate(jzfb->lpclk, rate);
+ clk_set_rate(jzfb->ldclk, rate * 3);
+
+ return 0;
+}
+
+static void jzfb_enable(struct jzfb *jzfb)
+{
+ uint32_t ctrl;
+
+ clk_enable(jzfb->ldclk);
+
+ jz_gpio_bulk_resume(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb));
+ jz_gpio_bulk_resume(jz_lcd_data_pins, jzfb_num_data_pins(jzfb));
+
+ writel(0, jzfb->base + JZ_REG_LCD_STATE);
+
+ writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0);
+
+ ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL);
+ ctrl |= JZ_LCD_CTRL_ENABLE;
+ ctrl &= ~JZ_LCD_CTRL_DISABLE;
+ writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL);
+}
+
+static void jzfb_disable(struct jzfb *jzfb)
+{
+ uint32_t ctrl;
+
+ ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL);
+ ctrl |= JZ_LCD_CTRL_DISABLE;
+ writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL);
+ do {
+ ctrl = readl(jzfb->base + JZ_REG_LCD_STATE);
+ } while (!(ctrl & JZ_LCD_STATE_DISABLED));
+
+ jz_gpio_bulk_suspend(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb));
+ jz_gpio_bulk_suspend(jz_lcd_data_pins, jzfb_num_data_pins(jzfb));
+
+ clk_disable(jzfb->ldclk);
+}
+
+static int jzfb_blank(int blank_mode, struct fb_info *info)
+{
+ struct jzfb *jzfb = info->par;
+
+ switch (blank_mode) {
+ case FB_BLANK_UNBLANK:
+ mutex_lock(&jzfb->lock);
+ if (jzfb->is_enabled) {
+ mutex_unlock(&jzfb->lock);
+ return 0;
+ }
+
+ jzfb_enable(jzfb);
+ jzfb->is_enabled = 1;
+
+ mutex_unlock(&jzfb->lock);
+ break;
+ default:
+ mutex_lock(&jzfb->lock);
+ if (!jzfb->is_enabled) {
+ mutex_unlock(&jzfb->lock);
+ return 0;
+ }
+
+ jzfb_disable(jzfb);
+ jzfb->is_enabled = 0;
+
+ mutex_unlock(&jzfb->lock);
+ break;
+ }
+
+ return 0;
+}
+
+static int jzfb_alloc_devmem(struct jzfb *jzfb)
+{
+ int max_videosize = 0;
+ struct fb_videomode *mode = jzfb->pdata->modes;
+ void *page;
+ int i;
+
+ for (i = 0; i < jzfb->pdata->num_modes; ++mode, ++i) {
+ if (max_videosize < mode->xres * mode->yres)
+ max_videosize = mode->xres * mode->yres;
+ }
+
+ max_videosize *= jzfb_get_controller_bpp(jzfb) >> 3;
+
+ jzfb->framedesc = dma_alloc_coherent(&jzfb->pdev->dev,
+ sizeof(*jzfb->framedesc),
+ &jzfb->framedesc_phys, GFP_KERNEL);
+
+ if (!jzfb->framedesc)
+ return -ENOMEM;
+
+ jzfb->vidmem_size = PAGE_ALIGN(max_videosize);
+ jzfb->vidmem = dma_alloc_coherent(&jzfb->pdev->dev,
+ jzfb->vidmem_size,
+ &jzfb->vidmem_phys, GFP_KERNEL);
+
+ if (!jzfb->vidmem)
+ goto err_free_framedesc;
+
+ for (page = jzfb->vidmem;
+ page < jzfb->vidmem + PAGE_ALIGN(jzfb->vidmem_size);
+ page += PAGE_SIZE) {
+ SetPageReserved(virt_to_page(page));
+ }
+
+ jzfb->framedesc->next = jzfb->framedesc_phys;
+ jzfb->framedesc->addr = jzfb->vidmem_phys;
+ jzfb->framedesc->id = 0xdeafbead;
+ jzfb->framedesc->cmd = 0;
+ jzfb->framedesc->cmd |= max_videosize / 4;
+
+ return 0;
+
+err_free_framedesc:
+ dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc),
+ jzfb->framedesc, jzfb->framedesc_phys);
+ return -ENOMEM;
+}
+
+static void jzfb_free_devmem(struct jzfb *jzfb)
+{
+ dma_free_coherent(&jzfb->pdev->dev, jzfb->vidmem_size,
+ jzfb->vidmem, jzfb->vidmem_phys);
+ dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc),
+ jzfb->framedesc, jzfb->framedesc_phys);
+}
+
+static struct fb_ops jzfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = jzfb_check_var,
+ .fb_set_par = jzfb_set_par,
+ .fb_blank = jzfb_blank,
+ .fb_fillrect = sys_fillrect,
+ .fb_copyarea = sys_copyarea,
+ .fb_imageblit = sys_imageblit,
+ .fb_setcolreg = jzfb_setcolreg,
+};
+
+static int __devinit jzfb_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct jzfb *jzfb;
+ struct fb_info *fb;
+ struct jz4740_fb_platform_data *pdata = pdev->dev.platform_data;
+ struct resource *mem;
+
+ if (!pdata) {
+ dev_err(&pdev->dev, "Missing platform data\n");
+ return -ENXIO;
+ }
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
+ dev_err(&pdev->dev, "Failed to get register memory resource\n");
+ return -ENXIO;
+ }
+
+ mem = request_mem_region(mem->start, resource_size(mem), pdev->name);
+ if (!mem) {
+ dev_err(&pdev->dev, "Failed to request register memory region\n");
+ return -EBUSY;
+ }
+
+ fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev);
+ if (!fb) {
+ dev_err(&pdev->dev, "Failed to allocate framebuffer device\n");
+ ret = -ENOMEM;
+ goto err_release_mem_region;
+ }
+
+ fb->fbops = &jzfb_ops;
+ fb->flags = FBINFO_DEFAULT;
+
+ jzfb = fb->par;
+ jzfb->pdev = pdev;
+ jzfb->pdata = pdata;
+ jzfb->mem = mem;
+
+ jzfb->ldclk = clk_get(&pdev->dev, "lcd");
+ if (IS_ERR(jzfb->ldclk)) {
+ ret = PTR_ERR(jzfb->ldclk);
+ dev_err(&pdev->dev, "Failed to get lcd clock: %d\n", ret);
+ goto err_framebuffer_release;
+ }
+
+ jzfb->lpclk = clk_get(&pdev->dev, "lcd_pclk");
+ if (IS_ERR(jzfb->lpclk)) {
+ ret = PTR_ERR(jzfb->lpclk);
+ dev_err(&pdev->dev, "Failed to get lcd pixel clock: %d\n", ret);
+ goto err_put_ldclk;
+ }
+
+ jzfb->base = ioremap(mem->start, resource_size(mem));
+ if (!jzfb->base) {
+ dev_err(&pdev->dev, "Failed to ioremap register memory region\n");
+ ret = -EBUSY;
+ goto err_put_lpclk;
+ }
+
+ platform_set_drvdata(pdev, jzfb);
+
+ mutex_init(&jzfb->lock);
+
+ fb_videomode_to_modelist(pdata->modes, pdata->num_modes,
+ &fb->modelist);
+ fb_videomode_to_var(&fb->var, pdata->modes);
+ fb->var.bits_per_pixel = pdata->bpp;
+ jzfb_check_var(&fb->var, fb);
+
+ ret = jzfb_alloc_devmem(jzfb);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to allocate video memory\n");
+ goto err_iounmap;
+ }
+
+ fb->fix = jzfb_fix;
+ fb->fix.line_length = fb->var.bits_per_pixel * fb->var.xres / 8;
+ fb->fix.mmio_start = mem->start;
+ fb->fix.mmio_len = resource_size(mem);
+ fb->fix.smem_start = jzfb->vidmem_phys;
+ fb->fix.smem_len = fb->fix.line_length * fb->var.yres;
+ fb->screen_base = jzfb->vidmem;
+ fb->pseudo_palette = jzfb->pseudo_palette;
+
+ fb_alloc_cmap(&fb->cmap, 256, 0);
+
+ clk_enable(jzfb->ldclk);
+ jzfb->is_enabled = 1;
+
+ writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0);
+
+ fb->mode = NULL;
+ jzfb_set_par(fb);
+
+ jz_gpio_bulk_request(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb));
+ jz_gpio_bulk_request(jz_lcd_data_pins, jzfb_num_data_pins(jzfb));
+
+ ret = register_framebuffer(fb);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register framebuffer: %d\n", ret);
+ goto err_free_devmem;
+ }
+
+ jzfb->fb = fb;
+
+ return 0;
+
+err_free_devmem:
+ jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb));
+ jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb));
+
+ fb_dealloc_cmap(&fb->cmap);
+ jzfb_free_devmem(jzfb);
+err_iounmap:
+ iounmap(jzfb->base);
+err_put_lpclk:
+ clk_put(jzfb->lpclk);
+err_put_ldclk:
+ clk_put(jzfb->ldclk);
+err_framebuffer_release:
+ framebuffer_release(fb);
+err_release_mem_region:
+ release_mem_region(mem->start, resource_size(mem));
+ return ret;
+}
+
+static int __devexit jzfb_remove(struct platform_device *pdev)
+{
+ struct jzfb *jzfb = platform_get_drvdata(pdev);
+
+ jzfb_blank(FB_BLANK_POWERDOWN, jzfb->fb);
+
+ jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb));
+ jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb));
+
+ iounmap(jzfb->base);
+ release_mem_region(jzfb->mem->start, resource_size(jzfb->mem));
+
+ fb_dealloc_cmap(&jzfb->fb->cmap);
+ jzfb_free_devmem(jzfb);
+
+ platform_set_drvdata(pdev, NULL);
+
+ clk_put(jzfb->lpclk);
+ clk_put(jzfb->ldclk);
+
+ framebuffer_release(jzfb->fb);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+
+static int jzfb_suspend(struct device *dev)
+{
+ struct jzfb *jzfb = dev_get_drvdata(dev);
+
+ acquire_console_sem();
+ fb_set_suspend(jzfb->fb, 1);
+ release_console_sem();
+
+ mutex_lock(&jzfb->lock);
+ if (jzfb->is_enabled)
+ jzfb_disable(jzfb);
+ mutex_unlock(&jzfb->lock);
+
+ return 0;
+}
+
+static int jzfb_resume(struct device *dev)
+{
+ struct jzfb *jzfb = dev_get_drvdata(dev);
+ clk_enable(jzfb->ldclk);
+
+ mutex_lock(&jzfb->lock);
+ if (jzfb->is_enabled)
+ jzfb_enable(jzfb);
+ mutex_unlock(&jzfb->lock);
+
+ acquire_console_sem();
+ fb_set_suspend(jzfb->fb, 0);
+ release_console_sem();
+
+ return 0;
+}
+
+static const struct dev_pm_ops jzfb_pm_ops = {
+ .suspend = jzfb_suspend,
+ .resume = jzfb_resume,
+ .poweroff = jzfb_suspend,
+ .restore = jzfb_resume,
+};
+
+#define JZFB_PM_OPS (&jzfb_pm_ops)
+
+#else
+#define JZFB_PM_OPS NULL
+#endif
+
+static struct platform_driver jzfb_driver = {
+ .probe = jzfb_probe,
+ .remove = __devexit_p(jzfb_remove),
+ .driver = {
+ .name = "jz4740-fb",
+ .pm = JZFB_PM_OPS,
+ },
+};
+
+static int __init jzfb_init(void)
+{
+ return platform_driver_register(&jzfb_driver);
+}
+module_init(jzfb_init);
+
+static void __exit jzfb_exit(void)
+{
+ platform_driver_unregister(&jzfb_driver);
+}
+module_exit(jzfb_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("JZ4740 SoC LCD framebuffer driver");
+MODULE_ALIAS("platform:jz4740-fb");
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index 9e8bf7d5e249..b599e5e36ced 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -529,7 +529,7 @@ static void leo_fixup_var_rgb(struct fb_var_screeninfo *var)
var->transp.length = 0;
}
-static void leo_unmap_regs(struct of_device *op, struct fb_info *info,
+static void leo_unmap_regs(struct platform_device *op, struct fb_info *info,
struct leo_par *par)
{
if (par->lc_ss0_usr)
@@ -547,7 +547,7 @@ static void leo_unmap_regs(struct of_device *op, struct fb_info *info,
of_iounmap(&op->resource[0], info->screen_base, 0x800000);
}
-static int __devinit leo_probe(struct of_device *op,
+static int __devinit leo_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
@@ -637,7 +637,7 @@ out_err:
return err;
}
-static int __devexit leo_remove(struct of_device *op)
+static int __devexit leo_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct leo_par *par = info->par;
@@ -677,12 +677,12 @@ static int __init leo_init(void)
if (fb_get_options("leofb", NULL))
return -ENODEV;
- return of_register_driver(&leo_driver, &of_bus_type);
+ return of_register_platform_driver(&leo_driver);
}
static void __exit leo_exit(void)
{
- of_unregister_driver(&leo_driver);
+ of_unregister_platform_driver(&leo_driver);
}
module_init(leo_init);
diff --git a/drivers/video/matrox/i2c-matroxfb.c b/drivers/video/matrox/i2c-matroxfb.c
index 403b14445a78..0fb280ead3dc 100644
--- a/drivers/video/matrox/i2c-matroxfb.c
+++ b/drivers/video/matrox/i2c-matroxfb.c
@@ -191,7 +191,7 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) {
};
i2c_new_probed_device(&m2info->maven.adapter,
- &maven_info, addr_list);
+ &maven_info, addr_list, NULL);
}
}
return m2info;
diff --git a/drivers/video/mb862xx/mb862xxfb.c b/drivers/video/mb862xx/mb862xxfb.c
index 4e2b8cc3d460..b1c4374cf940 100644
--- a/drivers/video/mb862xx/mb862xxfb.c
+++ b/drivers/video/mb862xx/mb862xxfb.c
@@ -550,7 +550,7 @@ static int mb862xx_gdc_init(struct mb862xxfb_par *par)
return 0;
}
-static int __devinit of_platform_mb862xx_probe(struct of_device *ofdev,
+static int __devinit of_platform_mb862xx_probe(struct platform_device *ofdev,
const struct of_device_id *id)
{
struct device_node *np = ofdev->dev.of_node;
@@ -669,7 +669,7 @@ fbrel:
return ret;
}
-static int __devexit of_platform_mb862xx_remove(struct of_device *ofdev)
+static int __devexit of_platform_mb862xx_remove(struct platform_device *ofdev)
{
struct fb_info *fbi = dev_get_drvdata(&ofdev->dev);
struct mb862xxfb_par *par = fbi->par;
diff --git a/drivers/video/msm/mddi.c b/drivers/video/msm/mddi.c
index c1ff271017a9..7c316c34dfca 100644
--- a/drivers/video/msm/mddi.c
+++ b/drivers/video/msm/mddi.c
@@ -187,10 +187,8 @@ static void mddi_wait_interrupt(struct mddi_info *mddi, uint32_t intmask);
static void mddi_handle_rev_data_avail(struct mddi_info *mddi)
{
- union mddi_rev *rev = mddi->rev_data;
uint32_t rev_data_count;
uint32_t rev_crc_err_count;
- int i;
struct reg_read_info *ri;
size_t prev_offset;
uint16_t length;
@@ -670,7 +668,7 @@ static int __init mddi_rev_data_setup(struct mddi_info *mddi)
return 0;
}
-static int __init mddi_probe(struct platform_device *pdev)
+static int __devinit mddi_probe(struct platform_device *pdev)
{
struct msm_mddi_platform_data *pdata = pdev->dev.platform_data;
struct mddi_info *mddi = &mddi_info[pdev->id];
diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c
index 19c01c6208e8..3c28db03ad39 100644
--- a/drivers/video/msm/mdp.c
+++ b/drivers/video/msm/mdp.c
@@ -258,7 +258,6 @@ int get_img(struct mdp_img *img, struct fb_info *info,
{
int put_needed, ret = 0;
struct file *file;
- unsigned long vstart;
file = fget_light(img->memory_id, &put_needed);
if (file == NULL)
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index 46dda7d8aaee..cb163a5397be 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -19,13 +19,14 @@
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <asm/io.h>
-#include <asm/prom.h>
#ifdef CONFIG_PPC64
#include <asm/pci-bridge.h>
diff --git a/drivers/video/omap/lcd_apollon.c b/drivers/video/omap/lcd_apollon.c
index 2be94eb3bbf5..10459d8bd9a0 100644
--- a/drivers/video/omap/lcd_apollon.c
+++ b/drivers/video/omap/lcd_apollon.c
@@ -25,7 +25,6 @@
#include <linux/platform_device.h>
#include <mach/gpio.h>
-#include <plat/mux.h>
#include "omapfb.h"
@@ -34,8 +33,6 @@
static int apollon_panel_init(struct lcd_panel *panel,
struct omapfb_device *fbdev)
{
- /* configure LCD PWR_EN */
- omap_cfg_reg(M21_242X_GPIO11);
return 0;
}
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
index 1f8eb70e2937..07fbb8a733bb 100644
--- a/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -592,7 +592,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
r = omapdss_sdi_display_enable(dssdev);
if (r) {
pr_err("%s sdi enable failed\n", __func__);
- return r;
+ goto fail_unlock;
}
/*FIXME tweak me */
@@ -633,6 +633,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
return acx565akm_bl_update_status(md->bl_dev);
fail:
omapdss_sdi_display_disable(dssdev);
+fail_unlock:
+ mutex_unlock(&md->mutex);
return r;
}
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index aaf5d308a046..e1c765d11419 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -28,12 +28,13 @@
#include <linux/fb.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
-#include <linux/completion.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
#include <linux/mutex.h>
#include <plat/display.h>
+#include <plat/nokia-dsi-panel.h>
/* DSI Virtual channel. Hardcoded for now. */
#define TCH 0
@@ -62,11 +63,136 @@
#define DCS_GET_ID2 0xdb
#define DCS_GET_ID3 0xdc
-/* #define TAAL_USE_ESD_CHECK */
#define TAAL_ESD_CHECK_PERIOD msecs_to_jiffies(5000)
+static irqreturn_t taal_te_isr(int irq, void *data);
+static void taal_te_timeout_work_callback(struct work_struct *work);
static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
+struct panel_regulator {
+ struct regulator *regulator;
+ const char *name;
+ int min_uV;
+ int max_uV;
+};
+
+static void free_regulators(struct panel_regulator *regulators, int n)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ /* disable/put in reverse order */
+ regulator_disable(regulators[n - i - 1].regulator);
+ regulator_put(regulators[n - i - 1].regulator);
+ }
+}
+
+static int init_regulators(struct omap_dss_device *dssdev,
+ struct panel_regulator *regulators, int n)
+{
+ int r, i, v;
+
+ for (i = 0; i < n; i++) {
+ struct regulator *reg;
+
+ reg = regulator_get(&dssdev->dev, regulators[i].name);
+ if (IS_ERR(reg)) {
+ dev_err(&dssdev->dev, "failed to get regulator %s\n",
+ regulators[i].name);
+ r = PTR_ERR(reg);
+ goto err;
+ }
+
+ /* FIXME: better handling of fixed vs. variable regulators */
+ v = regulator_get_voltage(reg);
+ if (v < regulators[i].min_uV || v > regulators[i].max_uV) {
+ r = regulator_set_voltage(reg, regulators[i].min_uV,
+ regulators[i].max_uV);
+ if (r) {
+ dev_err(&dssdev->dev,
+ "failed to set regulator %s voltage\n",
+ regulators[i].name);
+ regulator_put(reg);
+ goto err;
+ }
+ }
+
+ r = regulator_enable(reg);
+ if (r) {
+ dev_err(&dssdev->dev, "failed to enable regulator %s\n",
+ regulators[i].name);
+ regulator_put(reg);
+ goto err;
+ }
+
+ regulators[i].regulator = reg;
+ }
+
+ return 0;
+
+err:
+ free_regulators(regulators, i);
+
+ return r;
+}
+
+/**
+ * struct panel_config - panel configuration
+ * @name: panel name
+ * @type: panel type
+ * @timings: panel resolution
+ * @sleep: various panel specific delays, passed to msleep() if non-zero
+ * @reset_sequence: reset sequence timings, passed to udelay() if non-zero
+ * @regulators: array of panel regulators
+ * @num_regulators: number of regulators in the array
+ */
+struct panel_config {
+ const char *name;
+ int type;
+
+ struct omap_video_timings timings;
+
+ struct {
+ unsigned int sleep_in;
+ unsigned int sleep_out;
+ unsigned int hw_reset;
+ unsigned int enable_te;
+ } sleep;
+
+ struct {
+ unsigned int high;
+ unsigned int low;
+ } reset_sequence;
+
+ struct panel_regulator *regulators;
+ int num_regulators;
+};
+
+enum {
+ PANEL_TAAL,
+};
+
+static struct panel_config panel_configs[] = {
+ {
+ .name = "taal",
+ .type = PANEL_TAAL,
+ .timings = {
+ .x_res = 864,
+ .y_res = 480,
+ },
+ .sleep = {
+ .sleep_in = 5,
+ .sleep_out = 5,
+ .hw_reset = 5,
+ .enable_te = 100, /* possible panel bug */
+ },
+ .reset_sequence = {
+ .high = 10,
+ .low = 10,
+ },
+ },
+};
+
struct taal_data {
struct mutex lock;
@@ -84,8 +210,15 @@ struct taal_data {
bool mirror;
bool te_enabled;
- bool use_ext_te;
- struct completion te_completion;
+
+ atomic_t do_update;
+ struct {
+ u16 x;
+ u16 y;
+ u16 w;
+ u16 h;
+ } update_region;
+ struct delayed_work te_timeout_work;
bool use_dsi_bl;
@@ -96,8 +229,16 @@ struct taal_data {
struct workqueue_struct *esd_wq;
struct delayed_work esd_work;
+
+ struct panel_config *panel_config;
};
+static inline struct nokia_dsi_panel_data
+*get_panel_data(const struct omap_dss_device *dssdev)
+{
+ return (struct nokia_dsi_panel_data *) dssdev->data;
+}
+
static void taal_esd_work(struct work_struct *work);
static void hw_guard_start(struct taal_data *td, int guard_msec)
@@ -159,7 +300,8 @@ static int taal_sleep_in(struct taal_data *td)
hw_guard_start(td, 120);
- msleep(5);
+ if (td->panel_config->sleep.sleep_in)
+ msleep(td->panel_config->sleep.sleep_in);
return 0;
}
@@ -176,7 +318,8 @@ static int taal_sleep_out(struct taal_data *td)
hw_guard_start(td, 120);
- msleep(5);
+ if (td->panel_config->sleep.sleep_out)
+ msleep(td->panel_config->sleep.sleep_out);
return 0;
}
@@ -279,6 +422,7 @@ static int taal_bl_update_status(struct backlight_device *dev)
{
struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
int r;
int level;
@@ -290,24 +434,26 @@ static int taal_bl_update_status(struct backlight_device *dev)
dev_dbg(&dssdev->dev, "update brightness to %d\n", level);
+ mutex_lock(&td->lock);
+
if (td->use_dsi_bl) {
if (td->enabled) {
dsi_bus_lock();
r = taal_dcs_write_1(DCS_BRIGHTNESS, level);
dsi_bus_unlock();
- if (r)
- return r;
+ } else {
+ r = 0;
}
} else {
- if (!dssdev->set_backlight)
- return -EINVAL;
-
- r = dssdev->set_backlight(dssdev, level);
- if (r)
- return r;
+ if (!panel_data->set_backlight)
+ r = -EINVAL;
+ else
+ r = panel_data->set_backlight(dssdev, level);
}
- return 0;
+ mutex_unlock(&td->lock);
+
+ return r;
}
static int taal_bl_get_intensity(struct backlight_device *dev)
@@ -344,16 +490,6 @@ static void taal_get_resolution(struct omap_dss_device *dssdev,
}
}
-static irqreturn_t taal_te_isr(int irq, void *data)
-{
- struct omap_dss_device *dssdev = data;
- struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-
- complete_all(&td->te_completion);
-
- return IRQ_HANDLED;
-}
-
static ssize_t taal_num_errors_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -362,6 +498,8 @@ static ssize_t taal_num_errors_show(struct device *dev,
u8 errors;
int r;
+ mutex_lock(&td->lock);
+
if (td->enabled) {
dsi_bus_lock();
r = taal_dcs_read_1(DCS_READ_NUM_ERRORS, &errors);
@@ -370,6 +508,8 @@ static ssize_t taal_num_errors_show(struct device *dev,
r = -ENODEV;
}
+ mutex_unlock(&td->lock);
+
if (r)
return r;
@@ -384,6 +524,8 @@ static ssize_t taal_hw_revision_show(struct device *dev,
u8 id1, id2, id3;
int r;
+ mutex_lock(&td->lock);
+
if (td->enabled) {
dsi_bus_lock();
r = taal_get_id(&id1, &id2, &id3);
@@ -392,6 +534,8 @@ static ssize_t taal_hw_revision_show(struct device *dev,
r = -ENODEV;
}
+ mutex_unlock(&td->lock);
+
if (r)
return r;
@@ -441,6 +585,8 @@ static ssize_t store_cabc_mode(struct device *dev,
if (i == ARRAY_SIZE(cabc_modes))
return -EINVAL;
+ mutex_lock(&td->lock);
+
if (td->enabled) {
dsi_bus_lock();
if (!td->cabc_broken)
@@ -450,6 +596,8 @@ static ssize_t store_cabc_mode(struct device *dev,
td->cabc_mode = i;
+ mutex_unlock(&td->lock);
+
return count;
}
@@ -488,47 +636,93 @@ static struct attribute_group taal_attr_group = {
.attrs = taal_attrs,
};
+static void taal_hw_reset(struct omap_dss_device *dssdev)
+{
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+
+ if (panel_data->reset_gpio == -1)
+ return;
+
+ gpio_set_value(panel_data->reset_gpio, 1);
+ if (td->panel_config->reset_sequence.high)
+ udelay(td->panel_config->reset_sequence.high);
+ /* reset the panel */
+ gpio_set_value(panel_data->reset_gpio, 0);
+ /* assert reset */
+ if (td->panel_config->reset_sequence.low)
+ udelay(td->panel_config->reset_sequence.low);
+ gpio_set_value(panel_data->reset_gpio, 1);
+ /* wait after releasing reset */
+ if (td->panel_config->sleep.hw_reset)
+ msleep(td->panel_config->sleep.hw_reset);
+}
+
static int taal_probe(struct omap_dss_device *dssdev)
{
struct backlight_properties props;
struct taal_data *td;
struct backlight_device *bldev;
- int r;
-
- const struct omap_video_timings taal_panel_timings = {
- .x_res = 864,
- .y_res = 480,
- };
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+ struct panel_config *panel_config = NULL;
+ int r, i;
dev_dbg(&dssdev->dev, "probe\n");
+ if (!panel_data || !panel_data->name) {
+ r = -EINVAL;
+ goto err;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(panel_configs); i++) {
+ if (strcmp(panel_data->name, panel_configs[i].name) == 0) {
+ panel_config = &panel_configs[i];
+ break;
+ }
+ }
+
+ if (!panel_config) {
+ r = -EINVAL;
+ goto err;
+ }
+
dssdev->panel.config = OMAP_DSS_LCD_TFT;
- dssdev->panel.timings = taal_panel_timings;
+ dssdev->panel.timings = panel_config->timings;
dssdev->ctrl.pixel_size = 24;
td = kzalloc(sizeof(*td), GFP_KERNEL);
if (!td) {
r = -ENOMEM;
- goto err0;
+ goto err;
}
td->dssdev = dssdev;
+ td->panel_config = panel_config;
mutex_init(&td->lock);
+ atomic_set(&td->do_update, 0);
+
+ r = init_regulators(dssdev, panel_config->regulators,
+ panel_config->num_regulators);
+ if (r)
+ goto err_reg;
+
td->esd_wq = create_singlethread_workqueue("taal_esd");
if (td->esd_wq == NULL) {
dev_err(&dssdev->dev, "can't create ESD workqueue\n");
r = -ENOMEM;
- goto err1;
+ goto err_wq;
}
INIT_DELAYED_WORK_DEFERRABLE(&td->esd_work, taal_esd_work);
dev_set_drvdata(&dssdev->dev, td);
+ taal_hw_reset(dssdev);
+
/* if no platform set_backlight() defined, presume DSI backlight
* control */
memset(&props, 0, sizeof(struct backlight_properties));
- if (!dssdev->set_backlight)
+ if (!panel_data->set_backlight)
td->use_dsi_bl = true;
if (td->use_dsi_bl)
@@ -539,7 +733,7 @@ static int taal_probe(struct omap_dss_device *dssdev)
&taal_bl_ops, &props);
if (IS_ERR(bldev)) {
r = PTR_ERR(bldev);
- goto err2;
+ goto err_bl;
}
td->bldev = bldev;
@@ -553,13 +747,13 @@ static int taal_probe(struct omap_dss_device *dssdev)
taal_bl_update_status(bldev);
- if (dssdev->phy.dsi.ext_te) {
- int gpio = dssdev->phy.dsi.ext_te_gpio;
+ if (panel_data->use_ext_te) {
+ int gpio = panel_data->ext_te_gpio;
r = gpio_request(gpio, "taal irq");
if (r) {
dev_err(&dssdev->dev, "GPIO request failed\n");
- goto err3;
+ goto err_gpio;
}
gpio_direction_input(gpio);
@@ -571,49 +765,52 @@ static int taal_probe(struct omap_dss_device *dssdev)
if (r) {
dev_err(&dssdev->dev, "IRQ request failed\n");
gpio_free(gpio);
- goto err3;
+ goto err_irq;
}
- init_completion(&td->te_completion);
+ INIT_DELAYED_WORK_DEFERRABLE(&td->te_timeout_work,
+ taal_te_timeout_work_callback);
- td->use_ext_te = true;
+ dev_dbg(&dssdev->dev, "Using GPIO TE\n");
}
r = sysfs_create_group(&dssdev->dev.kobj, &taal_attr_group);
if (r) {
dev_err(&dssdev->dev, "failed to create sysfs files\n");
- goto err4;
+ goto err_sysfs;
}
return 0;
-err4:
- if (td->use_ext_te) {
- int gpio = dssdev->phy.dsi.ext_te_gpio;
- free_irq(gpio_to_irq(gpio), dssdev);
- gpio_free(gpio);
- }
-err3:
+err_sysfs:
+ if (panel_data->use_ext_te)
+ free_irq(gpio_to_irq(panel_data->ext_te_gpio), dssdev);
+err_irq:
+ if (panel_data->use_ext_te)
+ gpio_free(panel_data->ext_te_gpio);
+err_gpio:
backlight_device_unregister(bldev);
-err2:
- cancel_delayed_work_sync(&td->esd_work);
+err_bl:
destroy_workqueue(td->esd_wq);
-err1:
+err_wq:
+ free_regulators(panel_config->regulators, panel_config->num_regulators);
+err_reg:
kfree(td);
-err0:
+err:
return r;
}
static void taal_remove(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
struct backlight_device *bldev;
dev_dbg(&dssdev->dev, "remove\n");
sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group);
- if (td->use_ext_te) {
- int gpio = dssdev->phy.dsi.ext_te_gpio;
+ if (panel_data->use_ext_te) {
+ int gpio = panel_data->ext_te_gpio;
free_irq(gpio_to_irq(gpio), dssdev);
gpio_free(gpio);
}
@@ -623,9 +820,15 @@ static void taal_remove(struct omap_dss_device *dssdev)
taal_bl_update_status(bldev);
backlight_device_unregister(bldev);
- cancel_delayed_work_sync(&td->esd_work);
+ cancel_delayed_work(&td->esd_work);
destroy_workqueue(td->esd_wq);
+ /* reset, to be sure that the panel is in a valid state */
+ taal_hw_reset(dssdev);
+
+ free_regulators(td->panel_config->regulators,
+ td->panel_config->num_regulators);
+
kfree(td);
}
@@ -635,23 +838,14 @@ static int taal_power_on(struct omap_dss_device *dssdev)
u8 id1, id2, id3;
int r;
- if (dssdev->platform_enable) {
- r = dssdev->platform_enable(dssdev);
- if (r)
- return r;
- }
-
- /* it seems we have to wait a bit until taal is ready */
- msleep(5);
-
- dsi_bus_lock();
-
r = omapdss_dsi_display_enable(dssdev);
if (r) {
dev_err(&dssdev->dev, "failed to enable DSI\n");
goto err0;
}
+ taal_hw_reset(dssdev);
+
omapdss_dsi_vc_enable_hs(TCH, false);
r = taal_sleep_out(td);
@@ -662,34 +856,47 @@ static int taal_power_on(struct omap_dss_device *dssdev)
if (r)
goto err;
- /* on early revisions CABC is broken */
- if (id2 == 0x00 || id2 == 0xff || id2 == 0x81)
+ /* on early Taal revisions CABC is broken */
+ if (td->panel_config->type == PANEL_TAAL &&
+ (id2 == 0x00 || id2 == 0xff || id2 == 0x81))
td->cabc_broken = true;
- taal_dcs_write_1(DCS_BRIGHTNESS, 0xff);
- taal_dcs_write_1(DCS_CTRL_DISPLAY, (1<<2) | (1<<5)); /* BL | BCTRL */
+ r = taal_dcs_write_1(DCS_BRIGHTNESS, 0xff);
+ if (r)
+ goto err;
+
+ r = taal_dcs_write_1(DCS_CTRL_DISPLAY,
+ (1<<2) | (1<<5)); /* BL | BCTRL */
+ if (r)
+ goto err;
+
+ r = taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */
+ if (r)
+ goto err;
- taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */
+ r = taal_set_addr_mode(td->rotate, td->mirror);
+ if (r)
+ goto err;
- taal_set_addr_mode(td->rotate, td->mirror);
- if (!td->cabc_broken)
- taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode);
+ if (!td->cabc_broken) {
+ r = taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode);
+ if (r)
+ goto err;
+ }
- taal_dcs_write_0(DCS_DISPLAY_ON);
+ r = taal_dcs_write_0(DCS_DISPLAY_ON);
+ if (r)
+ goto err;
r = _taal_enable_te(dssdev, td->te_enabled);
if (r)
goto err;
-#ifdef TAAL_USE_ESD_CHECK
- queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
-#endif
-
td->enabled = 1;
if (!td->intro_printed) {
- dev_info(&dssdev->dev, "revision %02x.%02x.%02x\n",
- id1, id2, id3);
+ dev_info(&dssdev->dev, "%s panel revision %02x.%02x.%02x\n",
+ td->panel_config->name, id1, id2, id3);
if (td->cabc_broken)
dev_info(&dssdev->dev,
"old Taal version, CABC disabled\n");
@@ -698,46 +905,44 @@ static int taal_power_on(struct omap_dss_device *dssdev)
omapdss_dsi_vc_enable_hs(TCH, true);
- dsi_bus_unlock();
-
return 0;
err:
+ dev_err(&dssdev->dev, "error while enabling panel, issuing HW reset\n");
+
+ taal_hw_reset(dssdev);
+
omapdss_dsi_display_disable(dssdev);
err0:
- dsi_bus_unlock();
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
-
return r;
}
static void taal_power_off(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ int r;
- dsi_bus_lock();
-
- cancel_delayed_work(&td->esd_work);
-
- taal_dcs_write_0(DCS_DISPLAY_OFF);
- taal_sleep_in(td);
+ r = taal_dcs_write_0(DCS_DISPLAY_OFF);
+ if (!r) {
+ r = taal_sleep_in(td);
+ /* HACK: wait a bit so that the message goes through */
+ msleep(10);
+ }
- /* wait a bit so that the message goes through */
- msleep(10);
+ if (r) {
+ dev_err(&dssdev->dev,
+ "error disabling panel, issuing HW reset\n");
+ taal_hw_reset(dssdev);
+ }
omapdss_dsi_display_disable(dssdev);
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
-
td->enabled = 0;
-
- dsi_bus_unlock();
}
static int taal_enable(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
int r;
dev_dbg(&dssdev->dev, "enable\n");
@@ -749,10 +954,19 @@ static int taal_enable(struct omap_dss_device *dssdev)
goto err;
}
+ dsi_bus_lock();
+
r = taal_power_on(dssdev);
+
+ dsi_bus_unlock();
+
if (r)
goto err;
+ if (panel_data->use_esd_check)
+ queue_delayed_work(td->esd_wq, &td->esd_work,
+ TAAL_ESD_CHECK_PERIOD);
+
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
mutex_unlock(&td->lock);
@@ -772,9 +986,15 @@ static void taal_disable(struct omap_dss_device *dssdev)
mutex_lock(&td->lock);
+ cancel_delayed_work(&td->esd_work);
+
+ dsi_bus_lock();
+
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
taal_power_off(dssdev);
+ dsi_bus_unlock();
+
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
mutex_unlock(&td->lock);
@@ -794,7 +1014,14 @@ static int taal_suspend(struct omap_dss_device *dssdev)
goto err;
}
+ cancel_delayed_work(&td->esd_work);
+
+ dsi_bus_lock();
+
taal_power_off(dssdev);
+
+ dsi_bus_unlock();
+
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
mutex_unlock(&td->lock);
@@ -808,6 +1035,7 @@ err:
static int taal_resume(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
int r;
dev_dbg(&dssdev->dev, "resume\n");
@@ -819,8 +1047,20 @@ static int taal_resume(struct omap_dss_device *dssdev)
goto err;
}
+ dsi_bus_lock();
+
r = taal_power_on(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ dsi_bus_unlock();
+
+ if (r) {
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+ } else {
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+ if (panel_data->use_esd_check)
+ queue_delayed_work(td->esd_wq, &td->esd_work,
+ TAAL_ESD_CHECK_PERIOD);
+ }
mutex_unlock(&td->lock);
@@ -837,10 +1077,52 @@ static void taal_framedone_cb(int err, void *data)
dsi_bus_unlock();
}
+static irqreturn_t taal_te_isr(int irq, void *data)
+{
+ struct omap_dss_device *dssdev = data;
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ int old;
+ int r;
+
+ old = atomic_cmpxchg(&td->do_update, 1, 0);
+
+ if (old) {
+ cancel_delayed_work(&td->te_timeout_work);
+
+ r = omap_dsi_update(dssdev, TCH,
+ td->update_region.x,
+ td->update_region.y,
+ td->update_region.w,
+ td->update_region.h,
+ taal_framedone_cb, dssdev);
+ if (r)
+ goto err;
+ }
+
+ return IRQ_HANDLED;
+err:
+ dev_err(&dssdev->dev, "start update failed\n");
+ dsi_bus_unlock();
+ return IRQ_HANDLED;
+}
+
+static void taal_te_timeout_work_callback(struct work_struct *work)
+{
+ struct taal_data *td = container_of(work, struct taal_data,
+ te_timeout_work.work);
+ struct omap_dss_device *dssdev = td->dssdev;
+
+ dev_err(&dssdev->dev, "TE not received for 250ms!\n");
+
+ atomic_set(&td->do_update, 0);
+ dsi_bus_unlock();
+}
+
static int taal_update(struct omap_dss_device *dssdev,
u16 x, u16 y, u16 w, u16 h)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
int r;
dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
@@ -853,7 +1135,7 @@ static int taal_update(struct omap_dss_device *dssdev,
goto err;
}
- r = omap_dsi_prepare_update(dssdev, &x, &y, &w, &h);
+ r = omap_dsi_prepare_update(dssdev, &x, &y, &w, &h, true);
if (r)
goto err;
@@ -861,10 +1143,21 @@ static int taal_update(struct omap_dss_device *dssdev,
if (r)
goto err;
- r = omap_dsi_update(dssdev, TCH, x, y, w, h,
- taal_framedone_cb, dssdev);
- if (r)
- goto err;
+ if (td->te_enabled && panel_data->use_ext_te) {
+ td->update_region.x = x;
+ td->update_region.y = y;
+ td->update_region.w = w;
+ td->update_region.h = h;
+ barrier();
+ schedule_delayed_work(&td->te_timeout_work,
+ msecs_to_jiffies(250));
+ atomic_set(&td->do_update, 1);
+ } else {
+ r = omap_dsi_update(dssdev, TCH, x, y, w, h,
+ taal_framedone_cb, dssdev);
+ if (r)
+ goto err;
+ }
/* note: no bus_unlock here. unlock is in framedone_cb */
mutex_unlock(&td->lock);
@@ -894,20 +1187,19 @@ static int taal_sync(struct omap_dss_device *dssdev)
static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
int r;
- td->te_enabled = enable;
-
if (enable)
r = taal_dcs_write_1(DCS_TEAR_ON, 0);
else
r = taal_dcs_write_0(DCS_TEAR_OFF);
- omapdss_dsi_enable_te(dssdev, enable);
+ if (!panel_data->use_ext_te)
+ omapdss_dsi_enable_te(dssdev, enable);
- /* XXX for some reason, DSI TE breaks if we don't wait here.
- * Panel bug? Needs more studying */
- msleep(100);
+ if (td->panel_config->sleep.enable_te)
+ msleep(td->panel_config->sleep.enable_te);
return r;
}
@@ -918,10 +1210,26 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
int r;
mutex_lock(&td->lock);
+
+ if (td->te_enabled == enable)
+ goto end;
+
dsi_bus_lock();
- r = _taal_enable_te(dssdev, enable);
+ if (td->enabled) {
+ r = _taal_enable_te(dssdev, enable);
+ if (r)
+ goto err;
+ }
+
+ td->te_enabled = enable;
+
+ dsi_bus_unlock();
+end:
+ mutex_unlock(&td->lock);
+ return 0;
+err:
dsi_bus_unlock();
mutex_unlock(&td->lock);
@@ -948,6 +1256,10 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
mutex_lock(&td->lock);
+
+ if (td->rotate == rotate)
+ goto end;
+
dsi_bus_lock();
if (td->enabled) {
@@ -959,6 +1271,7 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
td->rotate = rotate;
dsi_bus_unlock();
+end:
mutex_unlock(&td->lock);
return 0;
err:
@@ -987,6 +1300,10 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
dev_dbg(&dssdev->dev, "mirror %d\n", enable);
mutex_lock(&td->lock);
+
+ if (td->mirror == enable)
+ goto end;
+
dsi_bus_lock();
if (td->enabled) {
r = taal_set_addr_mode(td->rotate, enable);
@@ -997,6 +1314,7 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
td->mirror = enable;
dsi_bus_unlock();
+end:
mutex_unlock(&td->lock);
return 0;
err:
@@ -1024,23 +1342,30 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
int r;
mutex_lock(&td->lock);
+
+ if (!td->enabled) {
+ r = -ENODEV;
+ goto err1;
+ }
+
dsi_bus_lock();
r = taal_dcs_read_1(DCS_GET_ID1, &id1);
if (r)
- goto err;
+ goto err2;
r = taal_dcs_read_1(DCS_GET_ID2, &id2);
if (r)
- goto err;
+ goto err2;
r = taal_dcs_read_1(DCS_GET_ID3, &id3);
if (r)
- goto err;
+ goto err2;
dsi_bus_unlock();
mutex_unlock(&td->lock);
return 0;
-err:
+err2:
dsi_bus_unlock();
+err1:
mutex_unlock(&td->lock);
return r;
}
@@ -1128,6 +1453,7 @@ static void taal_esd_work(struct work_struct *work)
struct taal_data *td = container_of(work, struct taal_data,
esd_work.work);
struct omap_dss_device *dssdev = td->dssdev;
+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
u8 state1, state2;
int r;
@@ -1168,7 +1494,7 @@ static void taal_esd_work(struct work_struct *work)
}
/* Self-diagnostics result is also shown on TE GPIO line. We need
* to re-enable TE after self diagnostics */
- if (td->use_ext_te && td->te_enabled) {
+ if (td->te_enabled && panel_data->use_ext_te) {
r = taal_dcs_write_1(DCS_TEAR_ON, 0);
if (r)
goto err;
@@ -1184,6 +1510,7 @@ err:
dev_err(&dssdev->dev, "performing LCD reset\n");
taal_power_off(dssdev);
+ taal_hw_reset(dssdev);
taal_power_on(dssdev);
dsi_bus_unlock();
diff --git a/drivers/video/omap2/displays/panel-toppoly-tdo35s.c b/drivers/video/omap2/displays/panel-toppoly-tdo35s.c
index fa434ca6e4b7..e320e67d06f3 100644
--- a/drivers/video/omap2/displays/panel-toppoly-tdo35s.c
+++ b/drivers/video/omap2/displays/panel-toppoly-tdo35s.c
@@ -73,8 +73,12 @@ static void toppoly_tdo_panel_power_off(struct omap_dss_device *dssdev)
static int toppoly_tdo_panel_probe(struct omap_dss_device *dssdev)
{
- dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
- OMAP_DSS_LCD_IHS;
+ dssdev->panel.config = OMAP_DSS_LCD_TFT |
+ OMAP_DSS_LCD_IVS |
+ OMAP_DSS_LCD_IHS |
+ OMAP_DSS_LCD_IPC |
+ OMAP_DSS_LCD_ONOFF;
+
dssdev->panel.timings = toppoly_tdo_panel_timings;
return 0;
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index e777e352dbcd..5ecdc0004094 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -31,6 +31,7 @@
#include <linux/seq_file.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
+#include <linux/hardirq.h>
#include <plat/sram.h>
#include <plat/clock.h>
@@ -335,7 +336,7 @@ void dispc_save_context(void)
void dispc_restore_context(void)
{
RR(SYSCONFIG);
- RR(IRQENABLE);
+ /*RR(IRQENABLE);*/
/*RR(CONTROL);*/
RR(CONFIG);
RR(DEFAULT_COLOR0);
@@ -472,6 +473,15 @@ void dispc_restore_context(void)
/* enable last, because LCD & DIGIT enable are here */
RR(CONTROL);
+
+ /* clear spurious SYNC_LOST_DIGIT interrupts */
+ dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
+
+ /*
+ * enable last so IRQs won't trigger before
+ * the context is fully restored
+ */
+ RR(IRQENABLE);
}
#undef SR
@@ -3019,7 +3029,7 @@ void dispc_fake_vsync_irq(void)
u32 irqstatus = DISPC_IRQ_VSYNC;
int i;
- local_irq_disable();
+ WARN_ON(!in_interrupt());
for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
struct omap_dispc_isr_data *isr_data;
@@ -3031,8 +3041,6 @@ void dispc_fake_vsync_irq(void)
if (isr_data->mask & irqstatus)
isr_data->isr(isr_data->arg, irqstatus);
}
-
- local_irq_enable();
}
#endif
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index ef8c8529dda2..22dd7a474f79 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -82,6 +82,9 @@ static ssize_t display_upd_mode_store(struct device *dev,
int val, r;
enum omap_dss_update_mode mode;
+ if (!dssdev->driver->set_update_mode)
+ return -EINVAL;
+
val = simple_strtoul(buf, NULL, 10);
switch (val) {
@@ -343,7 +346,6 @@ int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
case OMAP_DISPLAY_TYPE_VENC:
case OMAP_DISPLAY_TYPE_SDI:
return 24;
- return 24;
default:
BUG();
}
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 3af207b2bde3..b3fa3a7db911 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -165,6 +165,14 @@ struct dsi_reg { u16 idx; };
#define DSI_CIO_IRQ_ERRCONTENTIONLP1_3 (1 << 25)
#define DSI_CIO_IRQ_ULPSACTIVENOT_ALL0 (1 << 30)
#define DSI_CIO_IRQ_ULPSACTIVENOT_ALL1 (1 << 31)
+#define DSI_CIO_IRQ_ERROR_MASK \
+ (DSI_CIO_IRQ_ERRSYNCESC1 | DSI_CIO_IRQ_ERRSYNCESC2 | \
+ DSI_CIO_IRQ_ERRSYNCESC3 | DSI_CIO_IRQ_ERRESC1 | DSI_CIO_IRQ_ERRESC2 | \
+ DSI_CIO_IRQ_ERRESC3 | DSI_CIO_IRQ_ERRCONTROL1 | \
+ DSI_CIO_IRQ_ERRCONTROL2 | DSI_CIO_IRQ_ERRCONTROL3 | \
+ DSI_CIO_IRQ_ERRCONTENTIONLP0_1 | DSI_CIO_IRQ_ERRCONTENTIONLP1_1 | \
+ DSI_CIO_IRQ_ERRCONTENTIONLP0_2 | DSI_CIO_IRQ_ERRCONTENTIONLP1_2 | \
+ DSI_CIO_IRQ_ERRCONTENTIONLP0_3 | DSI_CIO_IRQ_ERRCONTENTIONLP1_3)
#define DSI_DT_DCS_SHORT_WRITE_0 0x05
#define DSI_DT_DCS_SHORT_WRITE_1 0x15
@@ -232,13 +240,15 @@ static struct
unsigned pll_locked;
struct completion bta_completion;
+ void (*bta_callback)(void);
int update_channel;
struct dsi_update_region update_region;
bool te_enabled;
- struct work_struct framedone_work;
+ struct workqueue_struct *workqueue;
+
void (*framedone_callback)(int, void *);
void *framedone_data;
@@ -509,9 +519,13 @@ void dsi_irq_handler(void)
dss_collect_irq_stats(vcstatus, dsi.irq_stats.vc_irqs[i]);
#endif
- if (vcstatus & DSI_VC_IRQ_BTA)
+ if (vcstatus & DSI_VC_IRQ_BTA) {
complete(&dsi.bta_completion);
+ if (dsi.bta_callback)
+ dsi.bta_callback();
+ }
+
if (vcstatus & DSI_VC_IRQ_ERROR_MASK) {
DSSERR("DSI VC(%d) error, vc irqstatus %x\n",
i, vcstatus);
@@ -536,8 +550,12 @@ void dsi_irq_handler(void)
/* flush posted write */
dsi_read_reg(DSI_COMPLEXIO_IRQ_STATUS);
- DSSERR("DSI CIO error, cio irqstatus %x\n", ciostatus);
- print_irq_status_cio(ciostatus);
+ if (ciostatus & DSI_CIO_IRQ_ERROR_MASK) {
+ DSSERR("DSI CIO error, cio irqstatus %x\n", ciostatus);
+ print_irq_status_cio(ciostatus);
+ } else if (debug_irq) {
+ print_irq_status_cio(ciostatus);
+ }
}
dsi_write_reg(DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK);
@@ -584,11 +602,8 @@ static void _dsi_initialize_irq(void)
for (i = 0; i < 4; ++i)
dsi_write_reg(DSI_VC_IRQENABLE(i), l);
- /* XXX zonda responds incorrectly, causing control error:
- Exit from LP-ESC mode to LP11 uses wrong transition states on the
- data lines LP0 and LN0. */
- dsi_write_reg(DSI_COMPLEXIO_IRQ_ENABLE,
- -1 & (~DSI_CIO_IRQ_ERRCONTROL2));
+ l = DSI_CIO_IRQ_ERROR_MASK;
+ dsi_write_reg(DSI_COMPLEXIO_IRQ_ENABLE, l);
}
static u32 dsi_get_errors(void)
@@ -1098,6 +1113,7 @@ int dsi_pll_init(struct omap_dss_device *dssdev, bool enable_hsclk,
if (wait_for_bit_change(DSI_PLL_STATUS, 0, 1) != 1) {
DSSERR("PLL not coming out of reset.\n");
r = -ENODEV;
+ dispc_pck_free_enable(0);
goto err1;
}
@@ -1740,42 +1756,52 @@ static void dsi_vc_initial_config(int channel)
dsi.vc[channel].mode = DSI_VC_MODE_L4;
}
-static void dsi_vc_config_l4(int channel)
+static int dsi_vc_config_l4(int channel)
{
if (dsi.vc[channel].mode == DSI_VC_MODE_L4)
- return;
+ return 0;
DSSDBGF("%d", channel);
dsi_vc_enable(channel, 0);
- if (REG_GET(DSI_VC_CTRL(channel), 15, 15)) /* VC_BUSY */
+ /* VC_BUSY */
+ if (wait_for_bit_change(DSI_VC_CTRL(channel), 15, 0) != 0) {
DSSERR("vc(%d) busy when trying to config for L4\n", channel);
+ return -EIO;
+ }
REG_FLD_MOD(DSI_VC_CTRL(channel), 0, 1, 1); /* SOURCE, 0 = L4 */
dsi_vc_enable(channel, 1);
dsi.vc[channel].mode = DSI_VC_MODE_L4;
+
+ return 0;
}
-static void dsi_vc_config_vp(int channel)
+static int dsi_vc_config_vp(int channel)
{
if (dsi.vc[channel].mode == DSI_VC_MODE_VP)
- return;
+ return 0;
DSSDBGF("%d", channel);
dsi_vc_enable(channel, 0);
- if (REG_GET(DSI_VC_CTRL(channel), 15, 15)) /* VC_BUSY */
+ /* VC_BUSY */
+ if (wait_for_bit_change(DSI_VC_CTRL(channel), 15, 0) != 0) {
DSSERR("vc(%d) busy when trying to config for VP\n", channel);
+ return -EIO;
+ }
REG_FLD_MOD(DSI_VC_CTRL(channel), 1, 1, 1); /* SOURCE, 1 = video port */
dsi_vc_enable(channel, 1);
dsi.vc[channel].mode = DSI_VC_MODE_VP;
+
+ return 0;
}
@@ -1854,19 +1880,19 @@ static u16 dsi_vc_flush_receive_data(int channel)
u32 val;
u8 dt;
val = dsi_read_reg(DSI_VC_SHORT_PACKET_HEADER(channel));
- DSSDBG("\trawval %#08x\n", val);
+ DSSERR("\trawval %#08x\n", val);
dt = FLD_GET(val, 5, 0);
if (dt == DSI_DT_RX_ACK_WITH_ERR) {
u16 err = FLD_GET(val, 23, 8);
dsi_show_rx_ack_with_err(err);
} else if (dt == DSI_DT_RX_SHORT_READ_1) {
- DSSDBG("\tDCS short response, 1 byte: %#x\n",
+ DSSERR("\tDCS short response, 1 byte: %#x\n",
FLD_GET(val, 23, 8));
} else if (dt == DSI_DT_RX_SHORT_READ_2) {
- DSSDBG("\tDCS short response, 2 byte: %#x\n",
+ DSSERR("\tDCS short response, 2 byte: %#x\n",
FLD_GET(val, 23, 8));
} else if (dt == DSI_DT_RX_DCS_LONG_READ) {
- DSSDBG("\tDCS long response, len %d\n",
+ DSSERR("\tDCS long response, len %d\n",
FLD_GET(val, 23, 8));
dsi_vc_flush_long_data(channel);
} else {
@@ -2087,6 +2113,13 @@ int dsi_vc_dcs_write(int channel, u8 *data, int len)
if (r)
goto err;
+ if (REG_GET(DSI_VC_CTRL(channel), 20, 20)) { /* RX_FIFO_NOT_EMPTY */
+ DSSERR("rx fifo not empty after write, dumping data:\n");
+ dsi_vc_flush_receive_data(channel);
+ r = -EIO;
+ goto err;
+ }
+
return 0;
err:
DSSERR("dsi_vc_dcs_write(ch %d, cmd 0x%02x, len %d) failed\n",
@@ -2233,11 +2266,12 @@ int dsi_vc_dcs_read_1(int channel, u8 dcs_cmd, u8 *data)
}
EXPORT_SYMBOL(dsi_vc_dcs_read_1);
-int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u16 *data)
+int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u8 *data1, u8 *data2)
{
+ u8 buf[2];
int r;
- r = dsi_vc_dcs_read(channel, dcs_cmd, (u8 *)data, 2);
+ r = dsi_vc_dcs_read(channel, dcs_cmd, buf, 2);
if (r < 0)
return r;
@@ -2245,231 +2279,122 @@ int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u16 *data)
if (r != 2)
return -EIO;
+ *data1 = buf[0];
+ *data2 = buf[1];
+
return 0;
}
EXPORT_SYMBOL(dsi_vc_dcs_read_2);
int dsi_vc_set_max_rx_packet_size(int channel, u16 len)
{
- int r;
- r = dsi_vc_send_short(channel, DSI_DT_SET_MAX_RET_PKG_SIZE,
+ return dsi_vc_send_short(channel, DSI_DT_SET_MAX_RET_PKG_SIZE,
len, 0);
-
- if (r)
- return r;
-
- r = dsi_vc_send_bta_sync(channel);
-
- return r;
}
EXPORT_SYMBOL(dsi_vc_set_max_rx_packet_size);
-static void dsi_set_lp_rx_timeout(unsigned long ns)
+static void dsi_set_lp_rx_timeout(unsigned ticks, bool x4, bool x16)
{
- u32 r;
- unsigned x4, x16;
unsigned long fck;
- unsigned long ticks;
+ unsigned long total_ticks;
+ u32 r;
- /* ticks in DSI_FCK */
+ BUG_ON(ticks > 0x1fff);
+ /* ticks in DSI_FCK */
fck = dsi_fclk_rate();
- ticks = (fck / 1000 / 1000) * ns / 1000;
- x4 = 0;
- x16 = 0;
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 4;
- x4 = 1;
- x16 = 0;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 16;
- x4 = 0;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / (4 * 16);
- x4 = 1;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- DSSWARN("LP_TX_TO over limit, setting it to max\n");
- ticks = 0x1fff;
- x4 = 1;
- x16 = 1;
- }
r = dsi_read_reg(DSI_TIMING2);
r = FLD_MOD(r, 1, 15, 15); /* LP_RX_TO */
- r = FLD_MOD(r, x16, 14, 14); /* LP_RX_TO_X16 */
- r = FLD_MOD(r, x4, 13, 13); /* LP_RX_TO_X4 */
+ r = FLD_MOD(r, x16 ? 1 : 0, 14, 14); /* LP_RX_TO_X16 */
+ r = FLD_MOD(r, x4 ? 1 : 0, 13, 13); /* LP_RX_TO_X4 */
r = FLD_MOD(r, ticks, 12, 0); /* LP_RX_COUNTER */
dsi_write_reg(DSI_TIMING2, r);
- DSSDBG("LP_RX_TO %lu ns (%#lx ticks%s%s)\n",
- (ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1) * 1000) /
- (fck / 1000 / 1000),
- ticks, x4 ? " x4" : "", x16 ? " x16" : "");
+ total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+ DSSDBG("LP_RX_TO %lu ticks (%#x%s%s) = %lu ns\n",
+ total_ticks,
+ ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+ (total_ticks * 1000) / (fck / 1000 / 1000));
}
-static void dsi_set_ta_timeout(unsigned long ns)
+static void dsi_set_ta_timeout(unsigned ticks, bool x8, bool x16)
{
- u32 r;
- unsigned x8, x16;
unsigned long fck;
- unsigned long ticks;
+ unsigned long total_ticks;
+ u32 r;
+
+ BUG_ON(ticks > 0x1fff);
/* ticks in DSI_FCK */
fck = dsi_fclk_rate();
- ticks = (fck / 1000 / 1000) * ns / 1000;
- x8 = 0;
- x16 = 0;
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 8;
- x8 = 1;
- x16 = 0;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 16;
- x8 = 0;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / (8 * 16);
- x8 = 1;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- DSSWARN("TA_TO over limit, setting it to max\n");
- ticks = 0x1fff;
- x8 = 1;
- x16 = 1;
- }
r = dsi_read_reg(DSI_TIMING1);
r = FLD_MOD(r, 1, 31, 31); /* TA_TO */
- r = FLD_MOD(r, x16, 30, 30); /* TA_TO_X16 */
- r = FLD_MOD(r, x8, 29, 29); /* TA_TO_X8 */
+ r = FLD_MOD(r, x16 ? 1 : 0, 30, 30); /* TA_TO_X16 */
+ r = FLD_MOD(r, x8 ? 1 : 0, 29, 29); /* TA_TO_X8 */
r = FLD_MOD(r, ticks, 28, 16); /* TA_TO_COUNTER */
dsi_write_reg(DSI_TIMING1, r);
- DSSDBG("TA_TO %lu ns (%#lx ticks%s%s)\n",
- (ticks * (x16 ? 16 : 1) * (x8 ? 8 : 1) * 1000) /
- (fck / 1000 / 1000),
- ticks, x8 ? " x8" : "", x16 ? " x16" : "");
+ total_ticks = ticks * (x16 ? 16 : 1) * (x8 ? 8 : 1);
+
+ DSSDBG("TA_TO %lu ticks (%#x%s%s) = %lu ns\n",
+ total_ticks,
+ ticks, x8 ? " x8" : "", x16 ? " x16" : "",
+ (total_ticks * 1000) / (fck / 1000 / 1000));
}
-static void dsi_set_stop_state_counter(unsigned long ns)
+static void dsi_set_stop_state_counter(unsigned ticks, bool x4, bool x16)
{
- u32 r;
- unsigned x4, x16;
unsigned long fck;
- unsigned long ticks;
+ unsigned long total_ticks;
+ u32 r;
- /* ticks in DSI_FCK */
+ BUG_ON(ticks > 0x1fff);
+ /* ticks in DSI_FCK */
fck = dsi_fclk_rate();
- ticks = (fck / 1000 / 1000) * ns / 1000;
- x4 = 0;
- x16 = 0;
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 4;
- x4 = 1;
- x16 = 0;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 16;
- x4 = 0;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / (4 * 16);
- x4 = 1;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- DSSWARN("STOP_STATE_COUNTER_IO over limit, "
- "setting it to max\n");
- ticks = 0x1fff;
- x4 = 1;
- x16 = 1;
- }
r = dsi_read_reg(DSI_TIMING1);
r = FLD_MOD(r, 1, 15, 15); /* FORCE_TX_STOP_MODE_IO */
- r = FLD_MOD(r, x16, 14, 14); /* STOP_STATE_X16_IO */
- r = FLD_MOD(r, x4, 13, 13); /* STOP_STATE_X4_IO */
+ r = FLD_MOD(r, x16 ? 1 : 0, 14, 14); /* STOP_STATE_X16_IO */
+ r = FLD_MOD(r, x4 ? 1 : 0, 13, 13); /* STOP_STATE_X4_IO */
r = FLD_MOD(r, ticks, 12, 0); /* STOP_STATE_COUNTER_IO */
dsi_write_reg(DSI_TIMING1, r);
- DSSDBG("STOP_STATE_COUNTER %lu ns (%#lx ticks%s%s)\n",
- (ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1) * 1000) /
- (fck / 1000 / 1000),
- ticks, x4 ? " x4" : "", x16 ? " x16" : "");
+ total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+ DSSDBG("STOP_STATE_COUNTER %lu ticks (%#x%s%s) = %lu ns\n",
+ total_ticks,
+ ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+ (total_ticks * 1000) / (fck / 1000 / 1000));
}
-static void dsi_set_hs_tx_timeout(unsigned long ns)
+static void dsi_set_hs_tx_timeout(unsigned ticks, bool x4, bool x16)
{
- u32 r;
- unsigned x4, x16;
unsigned long fck;
- unsigned long ticks;
+ unsigned long total_ticks;
+ u32 r;
- /* ticks in TxByteClkHS */
+ BUG_ON(ticks > 0x1fff);
+ /* ticks in TxByteClkHS */
fck = dsi_get_txbyteclkhs();
- ticks = (fck / 1000 / 1000) * ns / 1000;
- x4 = 0;
- x16 = 0;
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 4;
- x4 = 1;
- x16 = 0;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / 16;
- x4 = 0;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- ticks = (fck / 1000 / 1000) * ns / 1000 / (4 * 16);
- x4 = 1;
- x16 = 1;
- }
-
- if (ticks > 0x1fff) {
- DSSWARN("HS_TX_TO over limit, setting it to max\n");
- ticks = 0x1fff;
- x4 = 1;
- x16 = 1;
- }
r = dsi_read_reg(DSI_TIMING2);
r = FLD_MOD(r, 1, 31, 31); /* HS_TX_TO */
- r = FLD_MOD(r, x16, 30, 30); /* HS_TX_TO_X16 */
- r = FLD_MOD(r, x4, 29, 29); /* HS_TX_TO_X8 (4 really) */
+ r = FLD_MOD(r, x16 ? 1 : 0, 30, 30); /* HS_TX_TO_X16 */
+ r = FLD_MOD(r, x4 ? 1 : 0, 29, 29); /* HS_TX_TO_X8 (4 really) */
r = FLD_MOD(r, ticks, 28, 16); /* HS_TX_TO_COUNTER */
dsi_write_reg(DSI_TIMING2, r);
- DSSDBG("HS_TX_TO %lu ns (%#lx ticks%s%s)\n",
- (ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1) * 1000) /
- (fck / 1000 / 1000),
- ticks, x4 ? " x4" : "", x16 ? " x16" : "");
+ total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+ DSSDBG("HS_TX_TO %lu ticks (%#x%s%s) = %lu ns\n",
+ total_ticks,
+ ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+ (total_ticks * 1000) / (fck / 1000 / 1000));
}
static int dsi_proto_config(struct omap_dss_device *dssdev)
{
@@ -2487,10 +2412,10 @@ static int dsi_proto_config(struct omap_dss_device *dssdev)
DSI_FIFO_SIZE_32);
/* XXX what values for the timeouts? */
- dsi_set_stop_state_counter(1000);
- dsi_set_ta_timeout(6400000);
- dsi_set_lp_rx_timeout(48000);
- dsi_set_hs_tx_timeout(1000000);
+ dsi_set_stop_state_counter(0x1000, false, false);
+ dsi_set_ta_timeout(0x1fff, true, true);
+ dsi_set_lp_rx_timeout(0x1fff, true, true);
+ dsi_set_hs_tx_timeout(0x1fff, true, true);
switch (dssdev->ctrl.pixel_size) {
case 16:
@@ -2759,6 +2684,7 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
unsigned packet_payload;
unsigned packet_len;
u32 l;
+ int r;
const unsigned channel = dsi.update_channel;
/* line buffer is 1024 x 24bits */
/* XXX: for some reason using full buffer size causes considerable TX
@@ -2809,8 +2735,9 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
dsi_perf_mark_start();
- schedule_delayed_work(&dsi.framedone_timeout_work,
+ r = queue_delayed_work(dsi.workqueue, &dsi.framedone_timeout_work,
msecs_to_jiffies(250));
+ BUG_ON(r == 0);
dss_start_update(dssdev);
@@ -2834,62 +2761,70 @@ static void dsi_te_timeout(unsigned long arg)
}
#endif
-static void dsi_framedone_timeout_work_callback(struct work_struct *work)
+static void dsi_handle_framedone(int error)
{
- int r;
const int channel = dsi.update_channel;
- DSSERR("Framedone not received for 250ms!\n");
+ cancel_delayed_work(&dsi.framedone_timeout_work);
+
+ dsi_vc_disable_bta_irq(channel);
/* SIDLEMODE back to smart-idle */
dispc_enable_sidle();
+ dsi.bta_callback = NULL;
+
if (dsi.te_enabled) {
/* enable LP_RX_TO again after the TE */
REG_FLD_MOD(DSI_TIMING2, 1, 15, 15); /* LP_RX_TO */
}
- /* Send BTA after the frame. We need this for the TE to work, as TE
- * trigger is only sent for BTAs without preceding packet. Thus we need
- * to BTA after the pixel packets so that next BTA will cause TE
- * trigger.
- *
- * This is not needed when TE is not in use, but we do it anyway to
- * make sure that the transfer has been completed. It would be more
- * optimal, but more complex, to wait only just before starting next
- * transfer. */
- r = dsi_vc_send_bta_sync(channel);
- if (r)
- DSSERR("BTA after framedone failed\n");
-
/* RX_FIFO_NOT_EMPTY */
if (REG_GET(DSI_VC_CTRL(channel), 20, 20)) {
DSSERR("Received error during frame transfer:\n");
dsi_vc_flush_receive_data(channel);
+ if (!error)
+ error = -EIO;
}
- dsi.framedone_callback(-ETIMEDOUT, dsi.framedone_data);
+ dsi.framedone_callback(error, dsi.framedone_data);
+
+ if (!error)
+ dsi_perf_show("DISPC");
}
-static void dsi_framedone_irq_callback(void *data, u32 mask)
+static void dsi_framedone_timeout_work_callback(struct work_struct *work)
{
- /* Note: We get FRAMEDONE when DISPC has finished sending pixels and
- * turns itself off. However, DSI still has the pixels in its buffers,
- * and is sending the data.
- */
+ /* XXX While extremely unlikely, we could get FRAMEDONE interrupt after
+ * 250ms which would conflict with this timeout work. What should be
+ * done is first cancel the transfer on the HW, and then cancel the
+ * possibly scheduled framedone work. However, cancelling the transfer
+ * on the HW is buggy, and would probably require resetting the whole
+ * DSI */
- /* SIDLEMODE back to smart-idle */
- dispc_enable_sidle();
+ DSSERR("Framedone not received for 250ms!\n");
- schedule_work(&dsi.framedone_work);
+ dsi_handle_framedone(-ETIMEDOUT);
}
-static void dsi_handle_framedone(void)
+static void dsi_framedone_bta_callback(void)
+{
+ dsi_handle_framedone(0);
+
+#ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC
+ dispc_fake_vsync_irq();
+#endif
+}
+
+static void dsi_framedone_irq_callback(void *data, u32 mask)
{
- int r;
const int channel = dsi.update_channel;
+ int r;
- DSSDBG("FRAMEDONE\n");
+ /* Note: We get FRAMEDONE when DISPC has finished sending pixels and
+ * turns itself off. However, DSI still has the pixels in its buffers,
+ * and is sending the data.
+ */
if (dsi.te_enabled) {
/* enable LP_RX_TO again after the TE */
@@ -2904,37 +2839,30 @@ static void dsi_handle_framedone(void)
* This is not needed when TE is not in use, but we do it anyway to
* make sure that the transfer has been completed. It would be more
* optimal, but more complex, to wait only just before starting next
- * transfer. */
- r = dsi_vc_send_bta_sync(channel);
- if (r)
- DSSERR("BTA after framedone failed\n");
-
- /* RX_FIFO_NOT_EMPTY */
- if (REG_GET(DSI_VC_CTRL(channel), 20, 20)) {
- DSSERR("Received error during frame transfer:\n");
- dsi_vc_flush_receive_data(channel);
- }
-
-#ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC
- dispc_fake_vsync_irq();
-#endif
-}
-
-static void dsi_framedone_work_callback(struct work_struct *work)
-{
- DSSDBGF();
+ * transfer.
+ *
+ * Also, as there's no interrupt telling when the transfer has been
+ * done and the channel could be reconfigured, the only way is to
+ * busyloop until TE_SIZE is zero. With BTA we can do this
+ * asynchronously.
+ * */
- cancel_delayed_work_sync(&dsi.framedone_timeout_work);
+ dsi.bta_callback = dsi_framedone_bta_callback;
- dsi_handle_framedone();
+ barrier();
- dsi_perf_show("DISPC");
+ dsi_vc_enable_bta_irq(channel);
- dsi.framedone_callback(0, dsi.framedone_data);
+ r = dsi_vc_send_bta(channel);
+ if (r) {
+ DSSERR("BTA after framedone failed\n");
+ dsi_handle_framedone(-EIO);
+ }
}
int omap_dsi_prepare_update(struct omap_dss_device *dssdev,
- u16 *x, u16 *y, u16 *w, u16 *h)
+ u16 *x, u16 *y, u16 *w, u16 *h,
+ bool enlarge_update_area)
{
u16 dw, dh;
@@ -2958,7 +2886,8 @@ int omap_dsi_prepare_update(struct omap_dss_device *dssdev,
dsi_perf_mark_setup();
if (dssdev->manager->caps & OMAP_DSS_OVL_MGR_CAP_DISPC) {
- dss_setup_partial_planes(dssdev, x, y, w, h);
+ dss_setup_partial_planes(dssdev, x, y, w, h,
+ enlarge_update_area);
dispc_set_lcd_size(*w, *h);
}
@@ -2973,6 +2902,12 @@ int omap_dsi_update(struct omap_dss_device *dssdev,
{
dsi.update_channel = channel;
+ /* OMAP DSS cannot send updates of odd widths.
+ * omap_dsi_prepare_update() makes the widths even, but add a BUG_ON
+ * here to make sure we catch erroneous updates. Otherwise we'll only
+ * see rather obscure HW error happening, as DSS halts. */
+ BUG_ON(x % 2 == 1);
+
if (dssdev->manager->caps & OMAP_DSS_OVL_MGR_CAP_DISPC) {
dsi.framedone_callback = callback;
dsi.framedone_data = data;
@@ -2985,7 +2920,12 @@ int omap_dsi_update(struct omap_dss_device *dssdev,
dsi_update_screen_dispc(dssdev, x, y, w, h);
} else {
- dsi_update_screen_l4(dssdev, x, y, w, h);
+ int r;
+
+ r = dsi_update_screen_l4(dssdev, x, y, w, h);
+ if (r)
+ return r;
+
dsi_perf_show("L4");
callback(0, data);
}
@@ -3048,8 +2988,10 @@ static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev)
cinfo.regm3 = dssdev->phy.dsi.div.regm3;
cinfo.regm4 = dssdev->phy.dsi.div.regm4;
r = dsi_calc_clock_rates(&cinfo);
- if (r)
+ if (r) {
+ DSSERR("Failed to calc dsi clocks\n");
return r;
+ }
r = dsi_pll_set_clock_div(&cinfo);
if (r) {
@@ -3147,6 +3089,13 @@ err0:
static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev)
{
+ /* disable interface */
+ dsi_if_enable(0);
+ dsi_vc_enable(0, 0);
+ dsi_vc_enable(1, 0);
+ dsi_vc_enable(2, 0);
+ dsi_vc_enable(3, 0);
+
dss_select_dispc_clk_source(DSS_SRC_DSS1_ALWON_FCLK);
dss_select_dsi_clk_source(DSS_SRC_DSS1_ALWON_FCLK);
dsi_complexio_uninit();
@@ -3257,7 +3206,7 @@ void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
burst_size_bytes = 16 * 32 / 8;
*fifo_high = fifo_size - burst_size_bytes;
- *fifo_low = fifo_size - burst_size_bytes * 8;
+ *fifo_low = fifo_size - burst_size_bytes * 2;
}
int dsi_init_display(struct omap_dss_device *dssdev)
@@ -3274,6 +3223,18 @@ int dsi_init_display(struct omap_dss_device *dssdev)
return 0;
}
+void dsi_wait_dsi1_pll_active(void)
+{
+ if (wait_for_bit_change(DSI_PLL_STATUS, 7, 1) != 1)
+ DSSERR("DSI1 PLL clock not active\n");
+}
+
+void dsi_wait_dsi2_pll_active(void)
+{
+ if (wait_for_bit_change(DSI_PLL_STATUS, 8, 1) != 1)
+ DSSERR("DSI2 PLL clock not active\n");
+}
+
int dsi_init(struct platform_device *pdev)
{
u32 rev;
@@ -3292,7 +3253,10 @@ int dsi_init(struct platform_device *pdev)
mutex_init(&dsi.lock);
sema_init(&dsi.bus_lock, 1);
- INIT_WORK(&dsi.framedone_work, dsi_framedone_work_callback);
+ dsi.workqueue = create_singlethread_workqueue("dsi");
+ if (dsi.workqueue == NULL)
+ return -ENOMEM;
+
INIT_DELAYED_WORK_DEFERRABLE(&dsi.framedone_timeout_work,
dsi_framedone_timeout_work_callback);
@@ -3328,6 +3292,7 @@ int dsi_init(struct platform_device *pdev)
err2:
iounmap(dsi.base);
err1:
+ destroy_workqueue(dsi.workqueue);
return r;
}
@@ -3335,6 +3300,8 @@ void dsi_exit(void)
{
iounmap(dsi.base);
+ destroy_workqueue(dsi.workqueue);
+
DSSDBG("omap_dsi_exit\n");
}
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 24b18258654f..77c3621c9171 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -265,6 +265,9 @@ void dss_select_dispc_clk_source(enum dss_clk_source clk_src)
b = clk_src == DSS_SRC_DSS1_ALWON_FCLK ? 0 : 1;
+ if (clk_src == DSS_SRC_DSI1_PLL_FCLK)
+ dsi_wait_dsi1_pll_active();
+
REG_FLD_MOD(DSS_CONTROL, b, 0, 0); /* DISPC_CLK_SWITCH */
dss.dispc_clk_source = clk_src;
@@ -279,6 +282,9 @@ void dss_select_dsi_clk_source(enum dss_clk_source clk_src)
b = clk_src == DSS_SRC_DSS1_ALWON_FCLK ? 0 : 1;
+ if (clk_src == DSS_SRC_DSI2_PLL_FCLK)
+ dsi_wait_dsi2_pll_active();
+
REG_FLD_MOD(DSS_CONTROL, b, 1, 1); /* DSI_CLK_SWITCH */
dss.dsi_clk_source = clk_src;
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 786f433fd571..5c7940d5f282 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -199,7 +199,8 @@ int dss_init_overlay_managers(struct platform_device *pdev);
void dss_uninit_overlay_managers(struct platform_device *pdev);
int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
void dss_setup_partial_planes(struct omap_dss_device *dssdev,
- u16 *x, u16 *y, u16 *w, u16 *h);
+ u16 *x, u16 *y, u16 *w, u16 *h,
+ bool enlarge_update_area);
void dss_start_update(struct omap_dss_device *dssdev);
/* overlay */
@@ -281,6 +282,8 @@ void dsi_pll_uninit(void);
void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, enum omap_burst_size *burst_size,
u32 *fifo_low, u32 *fifo_high);
+void dsi_wait_dsi1_pll_active(void);
+void dsi_wait_dsi2_pll_active(void);
#else
static inline int dsi_init(struct platform_device *pdev)
{
@@ -289,6 +292,12 @@ static inline int dsi_init(struct platform_device *pdev)
static inline void dsi_exit(void)
{
}
+static inline void dsi_wait_dsi1_pll_active(void)
+{
+}
+static inline void dsi_wait_dsi2_pll_active(void)
+{
+}
#endif
/* DPI */
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 9e1fbe531bf0..6a649ab5539e 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -440,6 +440,10 @@ struct manager_cache_data {
/* manual update region */
u16 x, y, w, h;
+
+ /* enlarge the update area if the update area contains scaled
+ * overlays */
+ bool enlarge_update_area;
};
static struct {
@@ -525,7 +529,7 @@ static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
int i;
struct omap_dss_device *dssdev = mgr->device;
- if (!dssdev)
+ if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return 0;
if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) {
@@ -596,11 +600,14 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
int r;
int i;
- if (!ovl->manager || !ovl->manager->device)
+ if (!ovl->manager)
return 0;
dssdev = ovl->manager->device;
+ if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+ return 0;
+
if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) {
irq = DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN;
channel = OMAP_DSS_CHANNEL_DIGIT;
@@ -718,6 +725,7 @@ static int configure_overlay(enum omap_plane plane)
u16 x, y, w, h;
u32 paddr;
int r;
+ u16 orig_w, orig_h, orig_outw, orig_outh;
DSSDBGF("%d", plane);
@@ -738,8 +746,16 @@ static int configure_overlay(enum omap_plane plane)
outh = c->out_height == 0 ? c->height : c->out_height;
paddr = c->paddr;
+ orig_w = w;
+ orig_h = h;
+ orig_outw = outw;
+ orig_outh = outh;
+
if (c->manual_update && mc->do_manual_update) {
unsigned bpp;
+ unsigned scale_x_m = w, scale_x_d = outw;
+ unsigned scale_y_m = h, scale_y_d = outh;
+
/* If the overlay is outside the update region, disable it */
if (!rectangle_intersects(mc->x, mc->y, mc->w, mc->h,
x, y, outw, outh)) {
@@ -770,38 +786,47 @@ static int configure_overlay(enum omap_plane plane)
BUG();
}
- if (dispc_is_overlay_scaled(c)) {
- /* If the overlay is scaled, the update area has
- * already been enlarged to cover the whole overlay. We
- * only need to adjust x/y here */
- x = c->pos_x - mc->x;
- y = c->pos_y - mc->y;
+ if (mc->x > c->pos_x) {
+ x = 0;
+ outw -= (mc->x - c->pos_x);
+ paddr += (mc->x - c->pos_x) *
+ scale_x_m / scale_x_d * bpp / 8;
} else {
- if (mc->x > c->pos_x) {
- x = 0;
- w -= (mc->x - c->pos_x);
- paddr += (mc->x - c->pos_x) * bpp / 8;
- } else {
- x = c->pos_x - mc->x;
- }
-
- if (mc->y > c->pos_y) {
- y = 0;
- h -= (mc->y - c->pos_y);
- paddr += (mc->y - c->pos_y) * c->screen_width *
- bpp / 8;
- } else {
- y = c->pos_y - mc->y;
- }
-
- if (mc->w < (x+w))
- w -= (x+w) - (mc->w);
+ x = c->pos_x - mc->x;
+ }
- if (mc->h < (y+h))
- h -= (y+h) - (mc->h);
+ if (mc->y > c->pos_y) {
+ y = 0;
+ outh -= (mc->y - c->pos_y);
+ paddr += (mc->y - c->pos_y) *
+ scale_y_m / scale_y_d *
+ c->screen_width * bpp / 8;
+ } else {
+ y = c->pos_y - mc->y;
+ }
- outw = w;
- outh = h;
+ if (mc->w < (x + outw))
+ outw -= (x + outw) - (mc->w);
+
+ if (mc->h < (y + outh))
+ outh -= (y + outh) - (mc->h);
+
+ w = w * outw / orig_outw;
+ h = h * outh / orig_outh;
+
+ /* YUV mode overlay's input width has to be even and the
+ * algorithm above may adjust the width to be odd.
+ *
+ * Here we adjust the width if needed, preferring to increase
+ * the width if the original width was bigger.
+ */
+ if ((w & 1) &&
+ (c->color_mode == OMAP_DSS_COLOR_YUV2 ||
+ c->color_mode == OMAP_DSS_COLOR_UYVY)) {
+ if (orig_w > w)
+ w += 1;
+ else
+ w -= 1;
}
}
@@ -960,7 +985,7 @@ static void make_even(u16 *x, u16 *w)
/* Configure dispc for partial update. Return possibly modified update
* area */
void dss_setup_partial_planes(struct omap_dss_device *dssdev,
- u16 *xi, u16 *yi, u16 *wi, u16 *hi)
+ u16 *xi, u16 *yi, u16 *wi, u16 *hi, bool enlarge_update_area)
{
struct overlay_cache_data *oc;
struct manager_cache_data *mc;
@@ -969,6 +994,7 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
int i;
u16 x, y, w, h;
unsigned long flags;
+ bool area_changed;
x = *xi;
y = *yi;
@@ -989,73 +1015,91 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
spin_lock_irqsave(&dss_cache.lock, flags);
- /* We need to show the whole overlay if it is scaled. So look for
- * those, and make the update area larger if found.
- * Also mark the overlay cache dirty */
- for (i = 0; i < num_ovls; ++i) {
- unsigned x1, y1, x2, y2;
- unsigned outw, outh;
+ /*
+ * Execute the outer loop until the inner loop has completed
+ * once without increasing the update area. This will ensure that
+ * all scaled overlays end up completely within the update area.
+ */
+ do {
+ area_changed = false;
- oc = &dss_cache.overlay_cache[i];
+ /* We need to show the whole overlay if it is scaled. So look
+ * for those, and make the update area larger if found.
+ * Also mark the overlay cache dirty */
+ for (i = 0; i < num_ovls; ++i) {
+ unsigned x1, y1, x2, y2;
+ unsigned outw, outh;
- if (oc->channel != mgr->id)
- continue;
+ oc = &dss_cache.overlay_cache[i];
- oc->dirty = true;
+ if (oc->channel != mgr->id)
+ continue;
- if (!oc->enabled)
- continue;
+ oc->dirty = true;
- if (!dispc_is_overlay_scaled(oc))
- continue;
+ if (!enlarge_update_area)
+ continue;
- outw = oc->out_width == 0 ? oc->width : oc->out_width;
- outh = oc->out_height == 0 ? oc->height : oc->out_height;
+ if (!oc->enabled)
+ continue;
- /* is the overlay outside the update region? */
- if (!rectangle_intersects(x, y, w, h,
- oc->pos_x, oc->pos_y,
- outw, outh))
- continue;
+ if (!dispc_is_overlay_scaled(oc))
+ continue;
- /* if the overlay totally inside the update region? */
- if (rectangle_subset(oc->pos_x, oc->pos_y, outw, outh,
- x, y, w, h))
- continue;
+ outw = oc->out_width == 0 ?
+ oc->width : oc->out_width;
+ outh = oc->out_height == 0 ?
+ oc->height : oc->out_height;
+
+ /* is the overlay outside the update region? */
+ if (!rectangle_intersects(x, y, w, h,
+ oc->pos_x, oc->pos_y,
+ outw, outh))
+ continue;
- if (x > oc->pos_x)
- x1 = oc->pos_x;
- else
- x1 = x;
+ /* if the overlay totally inside the update region? */
+ if (rectangle_subset(oc->pos_x, oc->pos_y, outw, outh,
+ x, y, w, h))
+ continue;
- if (y > oc->pos_y)
- y1 = oc->pos_y;
- else
- y1 = y;
+ if (x > oc->pos_x)
+ x1 = oc->pos_x;
+ else
+ x1 = x;
- if ((x + w) < (oc->pos_x + outw))
- x2 = oc->pos_x + outw;
- else
- x2 = x + w;
+ if (y > oc->pos_y)
+ y1 = oc->pos_y;
+ else
+ y1 = y;
- if ((y + h) < (oc->pos_y + outh))
- y2 = oc->pos_y + outh;
- else
- y2 = y + h;
+ if ((x + w) < (oc->pos_x + outw))
+ x2 = oc->pos_x + outw;
+ else
+ x2 = x + w;
- x = x1;
- y = y1;
- w = x2 - x1;
- h = y2 - y1;
+ if ((y + h) < (oc->pos_y + outh))
+ y2 = oc->pos_y + outh;
+ else
+ y2 = y + h;
- make_even(&x, &w);
+ x = x1;
+ y = y1;
+ w = x2 - x1;
+ h = y2 - y1;
- DSSDBG("changing upd area due to ovl(%d) scaling %d,%d %dx%d\n",
+ make_even(&x, &w);
+
+ DSSDBG("changing upd area due to ovl(%d) "
+ "scaling %d,%d %dx%d\n",
i, x, y, w, h);
- }
+
+ area_changed = true;
+ }
+ } while (area_changed);
mc = &dss_cache.manager_cache[mgr->id];
mc->do_manual_update = true;
+ mc->enlarge_update_area = enlarge_update_area;
mc->x = x;
mc->y = y;
mc->w = w;
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 82336583adef..244dca81a399 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -65,7 +65,7 @@ static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf,
for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
mgr = omap_dss_get_overlay_manager(i);
- if (strncmp(buf, mgr->name, len) == 0)
+ if (sysfs_streq(buf, mgr->name))
break;
mgr = NULL;
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index cc23f53cc62d..bbe62464e92d 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -886,7 +886,7 @@ int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
return -EINVAL;
if (dssdev->manager->caps & OMAP_DSS_OVL_MGR_CAP_DISPC) {
- dss_setup_partial_planes(dssdev, x, y, w, h);
+ dss_setup_partial_planes(dssdev, x, y, w, h, true);
dispc_set_lcd_size(*w, *h);
}
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 9c7361871d78..6f435450987e 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -34,12 +34,37 @@
#include "omapfb.h"
+static u8 get_mem_idx(struct omapfb_info *ofbi)
+{
+ if (ofbi->id == ofbi->region->id)
+ return 0;
+
+ return OMAPFB_MEM_IDX_ENABLED | ofbi->region->id;
+}
+
+static struct omapfb2_mem_region *get_mem_region(struct omapfb_info *ofbi,
+ u8 mem_idx)
+{
+ struct omapfb2_device *fbdev = ofbi->fbdev;
+
+ if (mem_idx & OMAPFB_MEM_IDX_ENABLED)
+ mem_idx &= OMAPFB_MEM_IDX_MASK;
+ else
+ mem_idx = ofbi->id;
+
+ if (mem_idx >= fbdev->num_fbs)
+ return NULL;
+
+ return &fbdev->regions[mem_idx];
+}
+
static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_device *fbdev = ofbi->fbdev;
struct omap_overlay *ovl;
- struct omap_overlay_info info;
+ struct omap_overlay_info old_info;
+ struct omapfb2_mem_region *old_rg, *new_rg;
int r = 0;
DBG("omapfb_setup_plane\n");
@@ -52,36 +77,106 @@ static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
/* XXX uses only the first overlay */
ovl = ofbi->overlays[0];
- if (pi->enabled && !ofbi->region.size) {
+ old_rg = ofbi->region;
+ new_rg = get_mem_region(ofbi, pi->mem_idx);
+ if (!new_rg) {
+ r = -EINVAL;
+ goto out;
+ }
+
+ /* Take the locks in a specific order to keep lockdep happy */
+ if (old_rg->id < new_rg->id) {
+ omapfb_get_mem_region(old_rg);
+ omapfb_get_mem_region(new_rg);
+ } else if (new_rg->id < old_rg->id) {
+ omapfb_get_mem_region(new_rg);
+ omapfb_get_mem_region(old_rg);
+ } else
+ omapfb_get_mem_region(old_rg);
+
+ if (pi->enabled && !new_rg->size) {
/*
* This plane's memory was freed, can't enable it
* until it's reallocated.
*/
r = -EINVAL;
- goto out;
+ goto put_mem;
}
- ovl->get_overlay_info(ovl, &info);
+ ovl->get_overlay_info(ovl, &old_info);
- info.pos_x = pi->pos_x;
- info.pos_y = pi->pos_y;
- info.out_width = pi->out_width;
- info.out_height = pi->out_height;
- info.enabled = pi->enabled;
+ if (old_rg != new_rg) {
+ ofbi->region = new_rg;
+ set_fb_fix(fbi);
+ }
- r = ovl->set_overlay_info(ovl, &info);
- if (r)
- goto out;
+ if (pi->enabled) {
+ struct omap_overlay_info info;
- if (ovl->manager) {
- r = ovl->manager->apply(ovl->manager);
+ r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y,
+ pi->out_width, pi->out_height);
if (r)
- goto out;
+ goto undo;
+
+ ovl->get_overlay_info(ovl, &info);
+
+ if (!info.enabled) {
+ info.enabled = pi->enabled;
+ r = ovl->set_overlay_info(ovl, &info);
+ if (r)
+ goto undo;
+ }
+ } else {
+ struct omap_overlay_info info;
+
+ ovl->get_overlay_info(ovl, &info);
+
+ info.enabled = pi->enabled;
+ info.pos_x = pi->pos_x;
+ info.pos_y = pi->pos_y;
+ info.out_width = pi->out_width;
+ info.out_height = pi->out_height;
+
+ r = ovl->set_overlay_info(ovl, &info);
+ if (r)
+ goto undo;
}
-out:
- if (r)
- dev_err(fbdev->dev, "setup_plane failed\n");
+ if (ovl->manager)
+ ovl->manager->apply(ovl->manager);
+
+ /* Release the locks in a specific order to keep lockdep happy */
+ if (old_rg->id > new_rg->id) {
+ omapfb_put_mem_region(old_rg);
+ omapfb_put_mem_region(new_rg);
+ } else if (new_rg->id > old_rg->id) {
+ omapfb_put_mem_region(new_rg);
+ omapfb_put_mem_region(old_rg);
+ } else
+ omapfb_put_mem_region(old_rg);
+
+ return 0;
+
+ undo:
+ if (old_rg != new_rg) {
+ ofbi->region = old_rg;
+ set_fb_fix(fbi);
+ }
+
+ ovl->set_overlay_info(ovl, &old_info);
+ put_mem:
+ /* Release the locks in a specific order to keep lockdep happy */
+ if (old_rg->id > new_rg->id) {
+ omapfb_put_mem_region(old_rg);
+ omapfb_put_mem_region(new_rg);
+ } else if (new_rg->id > old_rg->id) {
+ omapfb_put_mem_region(new_rg);
+ omapfb_put_mem_region(old_rg);
+ } else
+ omapfb_put_mem_region(old_rg);
+ out:
+ dev_err(fbdev->dev, "setup_plane failed\n");
+
return r;
}
@@ -92,8 +187,8 @@ static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
if (ofbi->num_overlays != 1) {
memset(pi, 0, sizeof(*pi));
} else {
- struct omap_overlay_info *ovli;
struct omap_overlay *ovl;
+ struct omap_overlay_info *ovli;
ovl = ofbi->overlays[0];
ovli = &ovl->info;
@@ -103,6 +198,7 @@ static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
pi->enabled = ovli->enabled;
pi->channel_out = 0; /* xxx */
pi->mirror = 0;
+ pi->mem_idx = get_mem_idx(ofbi);
pi->out_width = ovli->out_width;
pi->out_height = ovli->out_height;
}
@@ -115,7 +211,7 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_device *fbdev = ofbi->fbdev;
struct omapfb2_mem_region *rg;
- int r, i;
+ int r = 0, i;
size_t size;
if (mi->type > OMAPFB_MEMTYPE_MAX)
@@ -123,22 +219,44 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
size = PAGE_ALIGN(mi->size);
- rg = &ofbi->region;
+ rg = ofbi->region;
- for (i = 0; i < ofbi->num_overlays; i++) {
- if (ofbi->overlays[i]->info.enabled)
- return -EBUSY;
+ down_write_nested(&rg->lock, rg->id);
+ atomic_inc(&rg->lock_count);
+
+ if (atomic_read(&rg->map_count)) {
+ r = -EBUSY;
+ goto out;
+ }
+
+ for (i = 0; i < fbdev->num_fbs; i++) {
+ struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]);
+ int j;
+
+ if (ofbi2->region != rg)
+ continue;
+
+ for (j = 0; j < ofbi2->num_overlays; j++) {
+ if (ofbi2->overlays[j]->info.enabled) {
+ r = -EBUSY;
+ goto out;
+ }
+ }
}
if (rg->size != size || rg->type != mi->type) {
r = omapfb_realloc_fbmem(fbi, size, mi->type);
if (r) {
dev_err(fbdev->dev, "realloc fbmem failed\n");
- return r;
+ goto out;
}
}
- return 0;
+ out:
+ atomic_dec(&rg->lock_count);
+ up_write(&rg->lock);
+
+ return r;
}
static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
@@ -146,12 +264,14 @@ static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_mem_region *rg;
- rg = &ofbi->region;
+ rg = omapfb_get_mem_region(ofbi->region);
memset(mi, 0, sizeof(*mi));
mi->size = rg->size;
mi->type = rg->type;
+ omapfb_put_mem_region(rg);
+
return 0;
}
@@ -490,6 +610,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
struct omapfb_vram_info vram_info;
struct omapfb_tearsync_info tearsync_info;
struct omapfb_display_info display_info;
+ u32 crt;
} p;
int r = 0;
@@ -648,6 +769,17 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
r = -EFAULT;
break;
+ case FBIO_WAITFORVSYNC:
+ if (get_user(p.crt, (__u32 __user *)arg)) {
+ r = -EFAULT;
+ break;
+ }
+ if (p.crt != 0) {
+ r = -ENODEV;
+ break;
+ }
+ /* FALLTHROUGH */
+
case OMAPFB_WAITFORVSYNC:
DBG("ioctl WAITFORVSYNC\n");
if (!display) {
@@ -738,7 +870,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
break;
}
- if (!display->driver->enable_te) {
+ if (!display || !display->driver->enable_te) {
r = -ENODEV;
break;
}
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 4b4506da96da..04034d410d6d 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -157,7 +157,7 @@ static void fill_fb(struct fb_info *fbi)
static unsigned omapfb_get_vrfb_offset(const struct omapfb_info *ofbi, int rot)
{
- const struct vrfb *vrfb = &ofbi->region.vrfb;
+ const struct vrfb *vrfb = &ofbi->region->vrfb;
unsigned offset;
switch (rot) {
@@ -185,27 +185,27 @@ static unsigned omapfb_get_vrfb_offset(const struct omapfb_info *ofbi, int rot)
static u32 omapfb_get_region_rot_paddr(const struct omapfb_info *ofbi, int rot)
{
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
- return ofbi->region.vrfb.paddr[rot]
+ return ofbi->region->vrfb.paddr[rot]
+ omapfb_get_vrfb_offset(ofbi, rot);
} else {
- return ofbi->region.paddr;
+ return ofbi->region->paddr;
}
}
static u32 omapfb_get_region_paddr(const struct omapfb_info *ofbi)
{
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
- return ofbi->region.vrfb.paddr[0];
+ return ofbi->region->vrfb.paddr[0];
else
- return ofbi->region.paddr;
+ return ofbi->region->paddr;
}
static void __iomem *omapfb_get_region_vaddr(const struct omapfb_info *ofbi)
{
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
- return ofbi->region.vrfb.vaddr[0];
+ return ofbi->region->vrfb.vaddr[0];
else
- return ofbi->region.vaddr;
+ return ofbi->region->vaddr;
}
static struct omapfb_colormode omapfb_colormodes[] = {
@@ -450,7 +450,7 @@ static int check_vrfb_fb_size(unsigned long region_size,
static int check_fb_size(const struct omapfb_info *ofbi,
struct fb_var_screeninfo *var)
{
- unsigned long max_frame_size = ofbi->region.size;
+ unsigned long max_frame_size = ofbi->region->size;
int bytespp = var->bits_per_pixel >> 3;
unsigned long line_size = var->xres_virtual * bytespp;
@@ -497,7 +497,7 @@ static int check_fb_size(const struct omapfb_info *ofbi,
static int setup_vrfb_rotation(struct fb_info *fbi)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
- struct omapfb2_mem_region *rg = &ofbi->region;
+ struct omapfb2_mem_region *rg = ofbi->region;
struct vrfb *vrfb = &rg->vrfb;
struct fb_var_screeninfo *var = &fbi->var;
struct fb_fix_screeninfo *fix = &fbi->fix;
@@ -558,9 +558,9 @@ static int setup_vrfb_rotation(struct fb_info *fbi)
return r;
/* used by open/write in fbmem.c */
- fbi->screen_base = ofbi->region.vrfb.vaddr[0];
+ fbi->screen_base = ofbi->region->vrfb.vaddr[0];
- fix->smem_start = ofbi->region.vrfb.paddr[0];
+ fix->smem_start = ofbi->region->vrfb.paddr[0];
switch (var->nonstd) {
case OMAPFB_COLOR_YUV422:
@@ -599,7 +599,7 @@ void set_fb_fix(struct fb_info *fbi)
struct fb_fix_screeninfo *fix = &fbi->fix;
struct fb_var_screeninfo *var = &fbi->var;
struct omapfb_info *ofbi = FB2OFB(fbi);
- struct omapfb2_mem_region *rg = &ofbi->region;
+ struct omapfb2_mem_region *rg = ofbi->region;
DBG("set_fb_fix\n");
@@ -668,8 +668,7 @@ int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
DBG("check_fb_var %d\n", ofbi->id);
- if (ofbi->region.size == 0)
- return 0;
+ WARN_ON(!atomic_read(&ofbi->region->lock_count));
r = fb_mode_to_dss_mode(var, &mode);
if (r) {
@@ -684,13 +683,14 @@ int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
}
}
- if (var->rotate < 0 || var->rotate > 3)
+ if (var->rotate > 3)
return -EINVAL;
if (check_fb_res_bounds(var))
return -EINVAL;
- if (check_fb_size(ofbi, var))
+ /* When no memory is allocated ignore the size check */
+ if (ofbi->region->size != 0 && check_fb_size(ofbi, var))
return -EINVAL;
if (var->xres + var->xoffset > var->xres_virtual)
@@ -822,9 +822,43 @@ static unsigned calc_rotation_offset_vrfb(const struct fb_var_screeninfo *var,
return offset;
}
+static void omapfb_calc_addr(const struct omapfb_info *ofbi,
+ const struct fb_var_screeninfo *var,
+ const struct fb_fix_screeninfo *fix,
+ int rotation, u32 *paddr, void __iomem **vaddr)
+{
+ u32 data_start_p;
+ void __iomem *data_start_v;
+ int offset;
+
+ if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+ data_start_p = omapfb_get_region_rot_paddr(ofbi, rotation);
+ data_start_v = NULL;
+ } else {
+ data_start_p = omapfb_get_region_paddr(ofbi);
+ data_start_v = omapfb_get_region_vaddr(ofbi);
+ }
+
+ if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+ offset = calc_rotation_offset_vrfb(var, fix, rotation);
+ else
+ offset = calc_rotation_offset_dma(var, fix, rotation);
+
+ data_start_p += offset;
+ data_start_v += offset;
+
+ if (offset)
+ DBG("offset %d, %d = %d\n",
+ var->xoffset, var->yoffset, offset);
+
+ DBG("paddr %x, vaddr %p\n", data_start_p, data_start_v);
+
+ *paddr = data_start_p;
+ *vaddr = data_start_v;
+}
/* setup overlay according to the fb */
-static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
u16 posx, u16 posy, u16 outw, u16 outh)
{
int r = 0;
@@ -832,9 +866,8 @@ static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
struct fb_var_screeninfo *var = &fbi->var;
struct fb_fix_screeninfo *fix = &fbi->fix;
enum omap_color_mode mode = 0;
- int offset;
- u32 data_start_p;
- void __iomem *data_start_v;
+ u32 data_start_p = 0;
+ void __iomem *data_start_v = NULL;
struct omap_overlay_info info;
int xres, yres;
int screen_width;
@@ -842,6 +875,8 @@ static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
int rotation = var->rotate;
int i;
+ WARN_ON(!atomic_read(&ofbi->region->lock_count));
+
for (i = 0; i < ofbi->num_overlays; i++) {
if (ovl != ofbi->overlays[i])
continue;
@@ -861,28 +896,9 @@ static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
yres = var->yres;
}
-
- if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
- data_start_p = omapfb_get_region_rot_paddr(ofbi, rotation);
- data_start_v = NULL;
- } else {
- data_start_p = omapfb_get_region_paddr(ofbi);
- data_start_v = omapfb_get_region_vaddr(ofbi);
- }
-
- if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
- offset = calc_rotation_offset_vrfb(var, fix, rotation);
- else
- offset = calc_rotation_offset_dma(var, fix, rotation);
-
- data_start_p += offset;
- data_start_v += offset;
-
- if (offset)
- DBG("offset %d, %d = %d\n",
- var->xoffset, var->yoffset, offset);
-
- DBG("paddr %x, vaddr %p\n", data_start_p, data_start_v);
+ if (ofbi->region->size)
+ omapfb_calc_addr(ofbi, var, fix, rotation,
+ &data_start_p, &data_start_v);
r = fb_mode_to_dss_mode(var, &mode);
if (r) {
@@ -954,12 +970,14 @@ int omapfb_apply_changes(struct fb_info *fbi, int init)
fill_fb(fbi);
#endif
+ WARN_ON(!atomic_read(&ofbi->region->lock_count));
+
for (i = 0; i < ofbi->num_overlays; i++) {
ovl = ofbi->overlays[i];
DBG("apply_changes, fb %d, ovl %d\n", ofbi->id, ovl->id);
- if (ofbi->region.size == 0) {
+ if (ofbi->region->size == 0) {
/* the fb is not available. disable the overlay */
omapfb_overlay_enable(ovl, 0);
if (!init && ovl->manager)
@@ -1007,36 +1025,48 @@ err:
* DO NOT MODIFY PAR */
static int omapfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi)
{
+ struct omapfb_info *ofbi = FB2OFB(fbi);
int r;
DBG("check_var(%d)\n", FB2OFB(fbi)->id);
+ omapfb_get_mem_region(ofbi->region);
+
r = check_fb_var(fbi, var);
+ omapfb_put_mem_region(ofbi->region);
+
return r;
}
/* set the video mode according to info->var */
static int omapfb_set_par(struct fb_info *fbi)
{
+ struct omapfb_info *ofbi = FB2OFB(fbi);
int r;
DBG("set_par(%d)\n", FB2OFB(fbi)->id);
+ omapfb_get_mem_region(ofbi->region);
+
set_fb_fix(fbi);
r = setup_vrfb_rotation(fbi);
if (r)
- return r;
+ goto out;
r = omapfb_apply_changes(fbi, 0);
+ out:
+ omapfb_put_mem_region(ofbi->region);
+
return r;
}
static int omapfb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *fbi)
{
+ struct omapfb_info *ofbi = FB2OFB(fbi);
struct fb_var_screeninfo new_var;
int r;
@@ -1052,23 +1082,31 @@ static int omapfb_pan_display(struct fb_var_screeninfo *var,
fbi->var = new_var;
+ omapfb_get_mem_region(ofbi->region);
+
r = omapfb_apply_changes(fbi, 0);
+ omapfb_put_mem_region(ofbi->region);
+
return r;
}
static void mmap_user_open(struct vm_area_struct *vma)
{
- struct omapfb_info *ofbi = (struct omapfb_info *)vma->vm_private_data;
+ struct omapfb2_mem_region *rg = vma->vm_private_data;
- atomic_inc(&ofbi->map_count);
+ omapfb_get_mem_region(rg);
+ atomic_inc(&rg->map_count);
+ omapfb_put_mem_region(rg);
}
static void mmap_user_close(struct vm_area_struct *vma)
{
- struct omapfb_info *ofbi = (struct omapfb_info *)vma->vm_private_data;
+ struct omapfb2_mem_region *rg = vma->vm_private_data;
- atomic_dec(&ofbi->map_count);
+ omapfb_get_mem_region(rg);
+ atomic_dec(&rg->map_count);
+ omapfb_put_mem_region(rg);
}
static struct vm_operations_struct mmap_user_ops = {
@@ -1080,9 +1118,11 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
struct fb_fix_screeninfo *fix = &fbi->fix;
+ struct omapfb2_mem_region *rg;
unsigned long off;
unsigned long start;
u32 len;
+ int r = -EINVAL;
if (vma->vm_end - vma->vm_start == 0)
return 0;
@@ -1090,12 +1130,14 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
return -EINVAL;
off = vma->vm_pgoff << PAGE_SHIFT;
+ rg = omapfb_get_mem_region(ofbi->region);
+
start = omapfb_get_region_paddr(ofbi);
len = fix->smem_len;
if (off >= len)
- return -EINVAL;
+ goto error;
if ((vma->vm_end - vma->vm_start + off) > len)
- return -EINVAL;
+ goto error;
off += start;
@@ -1105,13 +1147,25 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
vma->vm_flags |= VM_IO | VM_RESERVED;
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
vma->vm_ops = &mmap_user_ops;
- vma->vm_private_data = ofbi;
+ vma->vm_private_data = rg;
if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
- return -EAGAIN;
+ vma->vm_end - vma->vm_start,
+ vma->vm_page_prot)) {
+ r = -EAGAIN;
+ goto error;
+ }
+
/* vm_ops.open won't be called for mmap itself. */
- atomic_inc(&ofbi->map_count);
+ atomic_inc(&rg->map_count);
+
+ omapfb_put_mem_region(rg);
+
return 0;
+
+ error:
+ omapfb_put_mem_region(ofbi->region);
+
+ return r;
}
/* Store a single color palette entry into a pseudo palette or the hardware
@@ -1154,11 +1208,6 @@ static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green,
if (r != 0)
break;
- if (regno < 0) {
- r = -EINVAL;
- break;
- }
-
if (regno < 16) {
u16 pal;
pal = ((red >> (16 - var->red.length)) <<
@@ -1217,6 +1266,9 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
int do_update = 0;
int r = 0;
+ if (!display)
+ return -EINVAL;
+
omapfb_lock(fbdev);
switch (blank) {
@@ -1300,7 +1352,9 @@ static void omapfb_free_fbmem(struct fb_info *fbi)
struct omapfb2_device *fbdev = ofbi->fbdev;
struct omapfb2_mem_region *rg;
- rg = &ofbi->region;
+ rg = ofbi->region;
+
+ WARN_ON(atomic_read(&rg->map_count));
if (rg->paddr)
if (omap_vram_free(rg->paddr, rg->size))
@@ -1355,8 +1409,15 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
void __iomem *vaddr;
int r;
- rg = &ofbi->region;
- memset(rg, 0, sizeof(*rg));
+ rg = ofbi->region;
+
+ rg->paddr = 0;
+ rg->vaddr = NULL;
+ memset(&rg->vrfb, 0, sizeof rg->vrfb);
+ rg->size = 0;
+ rg->type = 0;
+ rg->alloc = false;
+ rg->map = false;
size = PAGE_ALIGN(size);
@@ -1609,7 +1670,7 @@ static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev)
for (i = 0; i < fbdev->num_fbs; i++) {
struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
struct omapfb2_mem_region *rg;
- rg = &ofbi->region;
+ rg = ofbi->region;
DBG("region%d phys %08x virt %p size=%lu\n",
i,
@@ -1626,7 +1687,7 @@ int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_device *fbdev = ofbi->fbdev;
struct omap_dss_device *display = fb2display(fbi);
- struct omapfb2_mem_region *rg = &ofbi->region;
+ struct omapfb2_mem_region *rg = ofbi->region;
unsigned long old_size = rg->size;
unsigned long old_paddr = rg->paddr;
int old_type = rg->type;
@@ -1709,7 +1770,7 @@ static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->pseudo_palette = fbdev->pseudo_palette;
- if (ofbi->region.size == 0) {
+ if (ofbi->region->size == 0) {
clear_fb_info(fbi);
return 0;
}
@@ -1871,6 +1932,10 @@ static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
ofbi->fbdev = fbdev;
ofbi->id = i;
+ ofbi->region = &fbdev->regions[i];
+ ofbi->region->id = i;
+ init_rwsem(&ofbi->region->lock);
+
/* assign these early, so that fb alloc can use them */
ofbi->rotation_type = def_vrfb ? OMAP_DSS_ROT_VRFB :
OMAP_DSS_ROT_DMA;
@@ -1900,7 +1965,13 @@ static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
/* setup fb_infos */
for (i = 0; i < fbdev->num_fbs; i++) {
- r = omapfb_fb_init(fbdev, fbdev->fbs[i]);
+ struct fb_info *fbi = fbdev->fbs[i];
+ struct omapfb_info *ofbi = FB2OFB(fbi);
+
+ omapfb_get_mem_region(ofbi->region);
+ r = omapfb_fb_init(fbdev, fbi);
+ omapfb_put_mem_region(ofbi->region);
+
if (r) {
dev_err(fbdev->dev, "failed to setup fb_info\n");
return r;
@@ -1921,20 +1992,19 @@ static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
DBG("framebuffers registered\n");
for (i = 0; i < fbdev->num_fbs; i++) {
- r = omapfb_apply_changes(fbdev->fbs[i], 1);
+ struct fb_info *fbi = fbdev->fbs[i];
+ struct omapfb_info *ofbi = FB2OFB(fbi);
+
+ omapfb_get_mem_region(ofbi->region);
+ r = omapfb_apply_changes(fbi, 1);
+ omapfb_put_mem_region(ofbi->region);
+
if (r) {
dev_err(fbdev->dev, "failed to change mode\n");
return r;
}
}
- DBG("create sysfs for fbs\n");
- r = omapfb_create_sysfs(fbdev);
- if (r) {
- dev_err(fbdev->dev, "failed to create sysfs entries\n");
- return r;
- }
-
/* Enable fb0 */
if (fbdev->num_fbs > 0) {
struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[0]);
@@ -1968,11 +2038,11 @@ static int omapfb_mode_to_timings(const char *mode_str,
#ifdef CONFIG_OMAP2_DSS_VENC
if (strcmp(mode_str, "pal") == 0) {
*timings = omap_dss_pal_timings;
- *bpp = 0;
+ *bpp = 24;
return 0;
} else if (strcmp(mode_str, "ntsc") == 0) {
*timings = omap_dss_ntsc_timings;
- *bpp = 0;
+ *bpp = 24;
return 0;
}
#endif
@@ -2220,6 +2290,13 @@ static int omapfb_probe(struct platform_device *pdev)
}
}
+ DBG("create sysfs for fbs\n");
+ r = omapfb_create_sysfs(fbdev);
+ if (r) {
+ dev_err(fbdev->dev, "failed to create sysfs entries\n");
+ goto cleanup;
+ }
+
return 0;
cleanup:
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
index 5179219128bd..6f9c72cd6bb0 100644
--- a/drivers/video/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
@@ -49,6 +49,7 @@ static ssize_t store_rotate_type(struct device *dev,
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct omapfb_info *ofbi = FB2OFB(fbi);
+ struct omapfb2_mem_region *rg;
enum omap_dss_rotation_type rot_type;
int r;
@@ -64,9 +65,11 @@ static ssize_t store_rotate_type(struct device *dev,
if (rot_type == ofbi->rotation_type)
goto out;
- if (ofbi->region.size) {
+ rg = omapfb_get_mem_region(ofbi->region);
+
+ if (rg->size) {
r = -EBUSY;
- goto out;
+ goto put_region;
}
ofbi->rotation_type = rot_type;
@@ -75,6 +78,8 @@ static ssize_t store_rotate_type(struct device *dev,
* Since the VRAM for this FB is not allocated at the moment we don't
* need to do any further parameter checking at this point.
*/
+put_region:
+ omapfb_put_mem_region(rg);
out:
unlock_fb_info(fbi);
@@ -97,7 +102,7 @@ static ssize_t store_mirror(struct device *dev,
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct omapfb_info *ofbi = FB2OFB(fbi);
- bool mirror;
+ unsigned long mirror;
int r;
struct fb_var_screeninfo new_var;
@@ -111,6 +116,8 @@ static ssize_t store_mirror(struct device *dev,
ofbi->mirror = mirror;
+ omapfb_get_mem_region(ofbi->region);
+
memcpy(&new_var, &fbi->var, sizeof(new_var));
r = check_fb_var(fbi, &new_var);
if (r)
@@ -125,6 +132,8 @@ static ssize_t store_mirror(struct device *dev,
r = count;
out:
+ omapfb_put_mem_region(ofbi->region);
+
unlock_fb_info(fbi);
return r;
@@ -263,11 +272,15 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
DBG("detaching %d\n", ofbi->overlays[i]->id);
+ omapfb_get_mem_region(ofbi->region);
+
omapfb_overlay_enable(ovl, 0);
if (ovl->manager)
ovl->manager->apply(ovl->manager);
+ omapfb_put_mem_region(ofbi->region);
+
for (t = i + 1; t < ofbi->num_overlays; t++) {
ofbi->rotation[t-1] = ofbi->rotation[t];
ofbi->overlays[t-1] = ofbi->overlays[t];
@@ -300,7 +313,12 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
}
if (added) {
+ omapfb_get_mem_region(ofbi->region);
+
r = omapfb_apply_changes(fbi, 0);
+
+ omapfb_put_mem_region(ofbi->region);
+
if (r)
goto out;
}
@@ -388,7 +406,12 @@ static ssize_t store_overlays_rotate(struct device *dev,
for (i = 0; i < num_ovls; ++i)
ofbi->rotation[i] = rotation[i];
+ omapfb_get_mem_region(ofbi->region);
+
r = omapfb_apply_changes(fbi, 0);
+
+ omapfb_put_mem_region(ofbi->region);
+
if (r)
goto out;
@@ -408,7 +431,7 @@ static ssize_t show_size(struct device *dev,
struct fb_info *fbi = dev_get_drvdata(dev);
struct omapfb_info *ofbi = FB2OFB(fbi);
- return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region.size);
+ return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region->size);
}
static ssize_t store_size(struct device *dev, struct device_attribute *attr,
@@ -416,6 +439,8 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct omapfb_info *ofbi = FB2OFB(fbi);
+ struct omapfb2_device *fbdev = ofbi->fbdev;
+ struct omapfb2_mem_region *rg;
unsigned long size;
int r;
int i;
@@ -425,15 +450,33 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
if (!lock_fb_info(fbi))
return -ENODEV;
- for (i = 0; i < ofbi->num_overlays; i++) {
- if (ofbi->overlays[i]->info.enabled) {
- r = -EBUSY;
- goto out;
+ rg = ofbi->region;
+
+ down_write_nested(&rg->lock, rg->id);
+ atomic_inc(&rg->lock_count);
+
+ if (atomic_read(&rg->map_count)) {
+ r = -EBUSY;
+ goto out;
+ }
+
+ for (i = 0; i < fbdev->num_fbs; i++) {
+ struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]);
+ int j;
+
+ if (ofbi2->region != rg)
+ continue;
+
+ for (j = 0; j < ofbi2->num_overlays; j++) {
+ if (ofbi2->overlays[j]->info.enabled) {
+ r = -EBUSY;
+ goto out;
+ }
}
}
- if (size != ofbi->region.size) {
- r = omapfb_realloc_fbmem(fbi, size, ofbi->region.type);
+ if (size != ofbi->region->size) {
+ r = omapfb_realloc_fbmem(fbi, size, ofbi->region->type);
if (r) {
dev_err(dev, "realloc fbmem failed\n");
goto out;
@@ -442,6 +485,9 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
r = count;
out:
+ atomic_dec(&rg->lock_count);
+ up_write(&rg->lock);
+
unlock_fb_info(fbi);
return r;
@@ -453,7 +499,7 @@ static ssize_t show_phys(struct device *dev,
struct fb_info *fbi = dev_get_drvdata(dev);
struct omapfb_info *ofbi = FB2OFB(fbi);
- return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region.paddr);
+ return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region->paddr);
}
static ssize_t show_virt(struct device *dev,
@@ -462,7 +508,7 @@ static ssize_t show_virt(struct device *dev,
struct fb_info *fbi = dev_get_drvdata(dev);
struct omapfb_info *ofbi = FB2OFB(fbi);
- return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region.vaddr);
+ return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region->vaddr);
}
static struct device_attribute omapfb_attrs[] = {
diff --git a/drivers/video/omap2/omapfb/omapfb.h b/drivers/video/omap2/omapfb/omapfb.h
index cd54fdbfd8bb..1305fc9880ba 100644
--- a/drivers/video/omap2/omapfb/omapfb.h
+++ b/drivers/video/omap2/omapfb/omapfb.h
@@ -27,6 +27,8 @@
#define DEBUG
#endif
+#include <linux/rwsem.h>
+
#include <plat/display.h>
#ifdef DEBUG
@@ -44,6 +46,7 @@ extern unsigned int omapfb_debug;
#define OMAPFB_MAX_OVL_PER_FB 3
struct omapfb2_mem_region {
+ int id;
u32 paddr;
void __iomem *vaddr;
struct vrfb vrfb;
@@ -51,13 +54,15 @@ struct omapfb2_mem_region {
u8 type; /* OMAPFB_PLANE_MEM_* */
bool alloc; /* allocated by the driver */
bool map; /* kernel mapped by the driver */
+ atomic_t map_count;
+ struct rw_semaphore lock;
+ atomic_t lock_count;
};
/* appended to fb_info */
struct omapfb_info {
int id;
- struct omapfb2_mem_region region;
- atomic_t map_count;
+ struct omapfb2_mem_region *region;
int num_overlays;
struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
struct omapfb2_device *fbdev;
@@ -76,6 +81,7 @@ struct omapfb2_device {
unsigned num_fbs;
struct fb_info *fbs[10];
+ struct omapfb2_mem_region regions[10];
unsigned num_displays;
struct omap_dss_device *displays[10];
@@ -117,6 +123,9 @@ int omapfb_update_window(struct fb_info *fbi,
int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
struct fb_var_screeninfo *var);
+int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+ u16 posx, u16 posy, u16 outw, u16 outh);
+
/* find the display connected to this fb, if any */
static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
{
@@ -148,8 +157,24 @@ static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
struct omap_overlay_info info;
ovl->get_overlay_info(ovl, &info);
+ if (info.enabled == enable)
+ return 0;
info.enabled = enable;
return ovl->set_overlay_info(ovl, &info);
}
+static inline struct omapfb2_mem_region *
+omapfb_get_mem_region(struct omapfb2_mem_region *rg)
+{
+ down_read_nested(&rg->lock, rg->id);
+ atomic_inc(&rg->lock_count);
+ return rg;
+}
+
+static inline void omapfb_put_mem_region(struct omapfb2_mem_region *rg)
+{
+ atomic_dec(&rg->lock_count);
+ up_read(&rg->lock);
+}
+
#endif
diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
index 3b1237ad85ed..f6fdc2085f3e 100644
--- a/drivers/video/omap2/vram.c
+++ b/drivers/video/omap2/vram.c
@@ -25,7 +25,7 @@
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/completion.h>
#include <linux/debugfs.h>
#include <linux/jiffies.h>
@@ -525,10 +525,8 @@ early_param("vram", omap_vram_early_vram);
* Called from map_io. We need to call to this early enough so that we
* can reserve the fixed SDRAM regions before VM could get hold of them.
*/
-void __init omap_vram_reserve_sdram(void)
+void __init omap_vram_reserve_sdram_memblock(void)
{
- struct bootmem_data *bdata;
- unsigned long sdram_start, sdram_size;
u32 paddr;
u32 size = 0;
@@ -555,29 +553,28 @@ void __init omap_vram_reserve_sdram(void)
size = PAGE_ALIGN(size);
- bdata = NODE_DATA(0)->bdata;
- sdram_start = bdata->node_min_pfn << PAGE_SHIFT;
- sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start;
-
if (paddr) {
- if ((paddr & ~PAGE_MASK) || paddr < sdram_start ||
- paddr + size > sdram_start + sdram_size) {
+ struct memblock_property res;
+
+ res.base = paddr;
+ res.size = size;
+ if ((paddr & ~PAGE_MASK) || memblock_find(&res) ||
+ res.base != paddr || res.size != size) {
pr_err("Illegal SDRAM region for VRAM\n");
return;
}
- if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) {
- pr_err("FB: failed to reserve VRAM\n");
+ if (memblock_is_region_reserved(paddr, size)) {
+ pr_err("FB: failed to reserve VRAM - busy\n");
return;
}
- } else {
- if (size > sdram_size) {
- pr_err("Illegal SDRAM size for VRAM\n");
+
+ if (memblock_reserve(paddr, size) < 0) {
+ pr_err("FB: failed to reserve VRAM - no memory\n");
return;
}
-
- paddr = virt_to_phys(alloc_bootmem_pages(size));
- BUG_ON(paddr & ~PAGE_MASK);
+ } else {
+ paddr = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_REAL_LIMIT);
}
omap_vram_add_region(paddr, size);
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index 6552751e81aa..b6c3fc2db632 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -249,7 +249,7 @@ static void p9100_init_fix(struct fb_info *info, int linebytes, struct device_no
info->fix.accel = FB_ACCEL_SUN_CGTHREE;
}
-static int __devinit p9100_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit p9100_probe(struct platform_device *op, const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
struct fb_info *info;
@@ -326,7 +326,7 @@ out_err:
return err;
}
-static int __devexit p9100_remove(struct of_device *op)
+static int __devexit p9100_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct p9100_par *par = info->par;
@@ -367,12 +367,12 @@ static int __init p9100_init(void)
if (fb_get_options("p9100fb", NULL))
return -ENODEV;
- return of_register_driver(&p9100_driver, &of_bus_type);
+ return of_register_platform_driver(&p9100_driver);
}
static void __exit p9100_exit(void)
{
- of_unregister_driver(&p9100_driver);
+ of_unregister_platform_driver(&p9100_driver);
}
module_init(p9100_init);
diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c
index 72a1f4c04732..a50e1977b316 100644
--- a/drivers/video/platinumfb.c
+++ b/drivers/video/platinumfb.c
@@ -533,7 +533,7 @@ static int __init platinumfb_setup(char *options)
#define invalidate_cache(addr)
#endif
-static int __devinit platinumfb_probe(struct of_device* odev,
+static int __devinit platinumfb_probe(struct platform_device* odev,
const struct of_device_id *match)
{
struct device_node *dp = odev->dev.of_node;
@@ -646,7 +646,7 @@ static int __devinit platinumfb_probe(struct of_device* odev,
return rc;
}
-static int __devexit platinumfb_remove(struct of_device* odev)
+static int __devexit platinumfb_remove(struct platform_device* odev)
{
struct fb_info *info = dev_get_drvdata(&odev->dev);
struct fb_info_platinum *pinfo = info->par;
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 9682ecc60e12..f9aca9d13d1b 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -1,7 +1,7 @@
/* linux/drivers/video/s3c-fb.c
*
* Copyright 2008 Openmoko Inc.
- * Copyright 2008 Simtec Electronics
+ * Copyright 2008-2010 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
@@ -9,7 +9,7 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * published by the Free Software FoundatIon.
*/
#include <linux/kernel.h>
@@ -21,9 +21,11 @@
#include <linux/clk.h>
#include <linux/fb.h>
#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/interrupt.h>
#include <mach/map.h>
-#include <mach/regs-fb.h>
+#include <plat/regs-fb-v4.h>
#include <plat/fb.h>
/* This driver will export a number of framebuffer interfaces depending
@@ -36,9 +38,9 @@
* output timings and as the control for the output power-down state.
*/
-/* note, some of the functions that get called are derived from including
- * <mach/regs-fb.h> as they are specific to the architecture that the code
- * is being built for.
+/* note, the previous use of <mach/regs-fb.h> to get platform specific data
+ * has been replaced by using the platform device name to pick the correct
+ * configuration data for the system.
*/
#ifdef CONFIG_FB_S3C_DEBUG_REGWRITE
@@ -48,13 +50,108 @@
__raw_writel(v, r); } while(0)
#endif /* FB_S3C_DEBUG_REGWRITE */
+/* irq_flags bits */
+#define S3C_FB_VSYNC_IRQ_EN 0
+
+#define VSYNC_TIMEOUT_MSEC 50
+
struct s3c_fb;
+#define VALID_BPP(x) (1 << ((x) - 1))
+
+#define OSD_BASE(win, variant) ((variant).osd + ((win) * (variant).osd_stride))
+#define VIDOSD_A(win, variant) (OSD_BASE(win, variant) + 0x00)
+#define VIDOSD_B(win, variant) (OSD_BASE(win, variant) + 0x04)
+#define VIDOSD_C(win, variant) (OSD_BASE(win, variant) + 0x08)
+#define VIDOSD_D(win, variant) (OSD_BASE(win, variant) + 0x0C)
+
+/**
+ * struct s3c_fb_variant - fb variant information
+ * @is_2443: Set if S3C2443/S3C2416 style hardware.
+ * @nr_windows: The number of windows.
+ * @vidtcon: The base for the VIDTCONx registers
+ * @wincon: The base for the WINxCON registers.
+ * @winmap: The base for the WINxMAP registers.
+ * @keycon: The abse for the WxKEYCON registers.
+ * @buf_start: Offset of buffer start registers.
+ * @buf_size: Offset of buffer size registers.
+ * @buf_end: Offset of buffer end registers.
+ * @osd: The base for the OSD registers.
+ * @palette: Address of palette memory, or 0 if none.
+ * @has_prtcon: Set if has PRTCON register.
+ * @has_shadowcon: Set if has SHADOWCON register.
+ */
+struct s3c_fb_variant {
+ unsigned int is_2443:1;
+ unsigned short nr_windows;
+ unsigned short vidtcon;
+ unsigned short wincon;
+ unsigned short winmap;
+ unsigned short keycon;
+ unsigned short buf_start;
+ unsigned short buf_end;
+ unsigned short buf_size;
+ unsigned short osd;
+ unsigned short osd_stride;
+ unsigned short palette[S3C_FB_MAX_WIN];
+
+ unsigned int has_prtcon:1;
+ unsigned int has_shadowcon:1;
+};
+
+/**
+ * struct s3c_fb_win_variant
+ * @has_osd_c: Set if has OSD C register.
+ * @has_osd_d: Set if has OSD D register.
+ * @has_osd_alpha: Set if can change alpha transparency for a window.
+ * @palette_sz: Size of palette in entries.
+ * @palette_16bpp: Set if palette is 16bits wide.
+ * @osd_size_off: If != 0, supports setting up OSD for a window; the appropriate
+ * register is located at the given offset from OSD_BASE.
+ * @valid_bpp: 1 bit per BPP setting to show valid bits-per-pixel.
+ *
+ * valid_bpp bit x is set if (x+1)BPP is supported.
+ */
+struct s3c_fb_win_variant {
+ unsigned int has_osd_c:1;
+ unsigned int has_osd_d:1;
+ unsigned int has_osd_alpha:1;
+ unsigned int palette_16bpp:1;
+ unsigned short osd_size_off;
+ unsigned short palette_sz;
+ u32 valid_bpp;
+};
+
+/**
+ * struct s3c_fb_driverdata - per-device type driver data for init time.
+ * @variant: The variant information for this driver.
+ * @win: The window information for each window.
+ */
+struct s3c_fb_driverdata {
+ struct s3c_fb_variant variant;
+ struct s3c_fb_win_variant *win[S3C_FB_MAX_WIN];
+};
+
+/**
+ * struct s3c_fb_palette - palette information
+ * @r: Red bitfield.
+ * @g: Green bitfield.
+ * @b: Blue bitfield.
+ * @a: Alpha bitfield.
+ */
+struct s3c_fb_palette {
+ struct fb_bitfield r;
+ struct fb_bitfield g;
+ struct fb_bitfield b;
+ struct fb_bitfield a;
+};
+
/**
* struct s3c_fb_win - per window private data for each framebuffer.
* @windata: The platform data supplied for the window configuration.
* @parent: The hardware that this window is part of.
* @fbinfo: Pointer pack to the framebuffer info for this window.
+ * @varint: The variant information for this window.
* @palette_buffer: Buffer/cache to hold palette entries.
* @pseudo_palette: For use in TRUECOLOUR modes for entries 0..15/
* @index: The window number of this window.
@@ -65,6 +162,7 @@ struct s3c_fb_win {
struct s3c_fb *parent;
struct fb_info *fbinfo;
struct s3c_fb_palette palette;
+ struct s3c_fb_win_variant variant;
u32 *palette_buffer;
u32 pseudo_palette[16];
@@ -72,37 +170,54 @@ struct s3c_fb_win {
};
/**
+ * struct s3c_fb_vsync - vsync information
+ * @wait: a queue for processes waiting for vsync
+ * @count: vsync interrupt count
+ */
+struct s3c_fb_vsync {
+ wait_queue_head_t wait;
+ unsigned int count;
+};
+
+/**
* struct s3c_fb - overall hardware state of the hardware
* @dev: The device that we bound to, for printing, etc.
* @regs_res: The resource we claimed for the IO registers.
* @bus_clk: The clk (hclk) feeding our interface and possibly pixclk.
* @regs: The mapped hardware registers.
+ * @variant: Variant information for this hardware.
* @enabled: A bitmask of enabled hardware windows.
* @pdata: The platform configuration data passed with the device.
* @windows: The hardware windows that have been claimed.
+ * @irq_no: IRQ line number
+ * @irq_flags: irq flags
+ * @vsync_info: VSYNC-related information (count, queues...)
*/
struct s3c_fb {
struct device *dev;
struct resource *regs_res;
struct clk *bus_clk;
void __iomem *regs;
+ struct s3c_fb_variant variant;
unsigned char enabled;
struct s3c_fb_platdata *pdata;
struct s3c_fb_win *windows[S3C_FB_MAX_WIN];
+
+ int irq_no;
+ unsigned long irq_flags;
+ struct s3c_fb_vsync vsync_info;
};
/**
- * s3c_fb_win_has_palette() - determine if a mode has a palette
- * @win: The window number being queried.
- * @bpp: The number of bits per pixel to test.
- *
- * Work out if the given window supports palletised data at the specified bpp.
+ * s3c_fb_validate_win_bpp - validate the bits-per-pixel for this mode.
+ * @win: The device window.
+ * @bpp: The bit depth.
*/
-static int s3c_fb_win_has_palette(unsigned int win, unsigned int bpp)
+static bool s3c_fb_validate_win_bpp(struct s3c_fb_win *win, unsigned int bpp)
{
- return s3c_fb_win_pal_size(win) <= (1 << bpp);
+ return win->variant.valid_bpp & VALID_BPP(bpp);
}
/**
@@ -125,7 +240,7 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var,
var->xres_virtual = max((unsigned int)windata->virtual_x, var->xres);
var->yres_virtual = max((unsigned int)windata->virtual_y, var->yres);
- if (!s3c_fb_validate_win_bpp(win->index, var->bits_per_pixel)) {
+ if (!s3c_fb_validate_win_bpp(win, var->bits_per_pixel)) {
dev_dbg(sfb->dev, "win %d: unsupported bpp %d\n",
win->index, var->bits_per_pixel);
return -EINVAL;
@@ -140,7 +255,7 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var,
case 2:
case 4:
case 8:
- if (!s3c_fb_win_has_palette(win->index, var->bits_per_pixel)) {
+ if (sfb->variant.palette[win->index] != 0) {
/* non palletised, A:1,R:2,G:3,B:2 mode */
var->red.offset = 4;
var->green.offset = 2;
@@ -255,6 +370,66 @@ static int s3c_fb_align_word(unsigned int bpp, unsigned int pix)
}
/**
+ * vidosd_set_size() - set OSD size for a window
+ *
+ * @win: the window to set OSD size for
+ * @size: OSD size register value
+ */
+static void vidosd_set_size(struct s3c_fb_win *win, u32 size)
+{
+ struct s3c_fb *sfb = win->parent;
+
+ /* OSD can be set up if osd_size_off != 0 for this window */
+ if (win->variant.osd_size_off)
+ writel(size, sfb->regs + OSD_BASE(win->index, sfb->variant)
+ + win->variant.osd_size_off);
+}
+
+/**
+ * vidosd_set_alpha() - set alpha transparency for a window
+ *
+ * @win: the window to set OSD size for
+ * @alpha: alpha register value
+ */
+static void vidosd_set_alpha(struct s3c_fb_win *win, u32 alpha)
+{
+ struct s3c_fb *sfb = win->parent;
+
+ if (win->variant.has_osd_alpha)
+ writel(alpha, sfb->regs + VIDOSD_C(win->index, sfb->variant));
+}
+
+/**
+ * shadow_protect_win() - disable updating values from shadow registers at vsync
+ *
+ * @win: window to protect registers for
+ * @protect: 1 to protect (disable updates)
+ */
+static void shadow_protect_win(struct s3c_fb_win *win, bool protect)
+{
+ struct s3c_fb *sfb = win->parent;
+ u32 reg;
+
+ if (protect) {
+ if (sfb->variant.has_prtcon) {
+ writel(PRTCON_PROTECT, sfb->regs + PRTCON);
+ } else if (sfb->variant.has_shadowcon) {
+ reg = readl(sfb->regs + SHADOWCON);
+ writel(reg | SHADOWCON_WINx_PROTECT(win->index),
+ sfb->regs + SHADOWCON);
+ }
+ } else {
+ if (sfb->variant.has_prtcon) {
+ writel(0, sfb->regs + PRTCON);
+ } else if (sfb->variant.has_shadowcon) {
+ reg = readl(sfb->regs + SHADOWCON);
+ writel(reg & ~SHADOWCON_WINx_PROTECT(win->index),
+ sfb->regs + SHADOWCON);
+ }
+ }
+}
+
+/**
* s3c_fb_set_par() - framebuffer request to set new framebuffer state.
* @info: The framebuffer to change.
*
@@ -266,14 +441,17 @@ static int s3c_fb_set_par(struct fb_info *info)
struct s3c_fb_win *win = info->par;
struct s3c_fb *sfb = win->parent;
void __iomem *regs = sfb->regs;
+ void __iomem *buf = regs;
int win_no = win->index;
- u32 osdc_data = 0;
+ u32 alpha = 0;
u32 data;
u32 pagewidth;
int clkdiv;
dev_dbg(sfb->dev, "setting framebuffer parameters\n");
+ shadow_protect_win(win, 1);
+
switch (var->bits_per_pixel) {
case 32:
case 24:
@@ -282,7 +460,7 @@ static int s3c_fb_set_par(struct fb_info *info)
info->fix.visual = FB_VISUAL_TRUECOLOR;
break;
case 8:
- if (s3c_fb_win_has_palette(win_no, 8))
+ if (win->variant.palette_sz >= 256)
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
else
info->fix.visual = FB_VISUAL_TRUECOLOR;
@@ -297,12 +475,15 @@ static int s3c_fb_set_par(struct fb_info *info)
info->fix.line_length = (var->xres_virtual * var->bits_per_pixel) / 8;
+ info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
+ info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
+
/* disable the window whilst we update it */
writel(0, regs + WINCON(win_no));
- /* use window 0 as the basis for the lcd output timings */
+ /* use platform specified window as the basis for the lcd timings */
- if (win_no == 0) {
+ if (win_no == sfb->pdata->default_win) {
clkdiv = s3c_fb_calc_pixclk(sfb, var->pixclock);
data = sfb->pdata->vidcon0;
@@ -315,6 +496,9 @@ static int s3c_fb_set_par(struct fb_info *info)
/* write the timing data to the panel */
+ if (sfb->variant.is_2443)
+ data |= (1 << 5);
+
data |= VIDCON0_ENVID | VIDCON0_ENVID_F;
writel(data, regs + VIDCON0);
@@ -322,53 +506,54 @@ static int s3c_fb_set_par(struct fb_info *info)
VIDTCON0_VFPD(var->lower_margin - 1) |
VIDTCON0_VSPW(var->vsync_len - 1);
- writel(data, regs + VIDTCON0);
+ writel(data, regs + sfb->variant.vidtcon);
data = VIDTCON1_HBPD(var->left_margin - 1) |
VIDTCON1_HFPD(var->right_margin - 1) |
VIDTCON1_HSPW(var->hsync_len - 1);
- writel(data, regs + VIDTCON1);
+ /* VIDTCON1 */
+ writel(data, regs + sfb->variant.vidtcon + 4);
data = VIDTCON2_LINEVAL(var->yres - 1) |
VIDTCON2_HOZVAL(var->xres - 1);
- writel(data, regs + VIDTCON2);
+ writel(data, regs +sfb->variant.vidtcon + 8 );
}
/* write the buffer address */
- writel(info->fix.smem_start, regs + VIDW_BUF_START(win_no));
+ /* start and end registers stride is 8 */
+ buf = regs + win_no * 8;
+
+ writel(info->fix.smem_start, buf + sfb->variant.buf_start);
data = info->fix.smem_start + info->fix.line_length * var->yres;
- writel(data, regs + VIDW_BUF_END(win_no));
+ writel(data, buf + sfb->variant.buf_end);
pagewidth = (var->xres * var->bits_per_pixel) >> 3;
data = VIDW_BUF_SIZE_OFFSET(info->fix.line_length - pagewidth) |
VIDW_BUF_SIZE_PAGEWIDTH(pagewidth);
- writel(data, regs + VIDW_BUF_SIZE(win_no));
+ writel(data, regs + sfb->variant.buf_size + (win_no * 4));
/* write 'OSD' registers to control position of framebuffer */
data = VIDOSDxA_TOPLEFT_X(0) | VIDOSDxA_TOPLEFT_Y(0);
- writel(data, regs + VIDOSD_A(win_no));
+ writel(data, regs + VIDOSD_A(win_no, sfb->variant));
data = VIDOSDxB_BOTRIGHT_X(s3c_fb_align_word(var->bits_per_pixel,
var->xres - 1)) |
VIDOSDxB_BOTRIGHT_Y(var->yres - 1);
- writel(data, regs + VIDOSD_B(win_no));
+ writel(data, regs + VIDOSD_B(win_no, sfb->variant));
data = var->xres * var->yres;
- osdc_data = VIDISD14C_ALPHA1_R(0xf) |
+ alpha = VIDISD14C_ALPHA1_R(0xf) |
VIDISD14C_ALPHA1_G(0xf) |
VIDISD14C_ALPHA1_B(0xf);
- if (s3c_fb_has_osd_d(win_no)) {
- writel(data, regs + VIDOSD_D(win_no));
- writel(osdc_data, regs + VIDOSD_C(win_no));
- } else
- writel(data, regs + VIDOSD_C(win_no));
+ vidosd_set_alpha(win, alpha);
+ vidosd_set_size(win, data);
data = WINCONx_ENWIN;
@@ -424,13 +609,15 @@ static int s3c_fb_set_par(struct fb_info *info)
else
data |= WINCON0_BPPMODE_24BPP_888;
+ data |= WINCONx_WSWP;
data |= WINCONx_BURSTLEN_16WORD;
break;
}
- /* It has no color key control register for window0 */
+ /* Enable the colour keying for the window below this one */
if (win_no > 0) {
u32 keycon0_data = 0, keycon1_data = 0;
+ void __iomem *keycon = regs + sfb->variant.keycon;
keycon0_data = ~(WxKEYCON0_KEYBL_EN |
WxKEYCON0_KEYEN_F |
@@ -438,12 +625,23 @@ static int s3c_fb_set_par(struct fb_info *info)
keycon1_data = WxKEYCON1_COLVAL(0xffffff);
- writel(keycon0_data, regs + WxKEYCONy(win_no-1, 0));
- writel(keycon1_data, regs + WxKEYCONy(win_no-1, 1));
+ keycon += (win_no - 1) * 8;
+
+ writel(keycon0_data, keycon + WKEYCON0);
+ writel(keycon1_data, keycon + WKEYCON1);
+ }
+
+ writel(data, regs + sfb->variant.wincon + (win_no * 4));
+ writel(0x0, regs + sfb->variant.winmap + (win_no * 4));
+
+ /* Enable DMA channel for this window */
+ if (sfb->variant.has_shadowcon) {
+ data = readl(sfb->regs + SHADOWCON);
+ data |= SHADOWCON_CHx_ENABLE(win_no);
+ writel(data, sfb->regs + SHADOWCON);
}
- writel(data, regs + WINCON(win_no));
- writel(0x0, regs + WINxMAP(win_no));
+ shadow_protect_win(win, 0);
return 0;
}
@@ -470,7 +668,7 @@ static void s3c_fb_update_palette(struct s3c_fb *sfb,
void __iomem *palreg;
u32 palcon;
- palreg = sfb->regs + s3c_fb_pal_reg(win->index, reg);
+ palreg = sfb->regs + sfb->variant.palette[win->index];
dev_dbg(sfb->dev, "%s: win %d, reg %d (%p): %08x\n",
__func__, win->index, reg, palreg, value);
@@ -480,10 +678,10 @@ static void s3c_fb_update_palette(struct s3c_fb *sfb,
palcon = readl(sfb->regs + WPALCON);
writel(palcon | WPALCON_PAL_UPDATE, sfb->regs + WPALCON);
- if (s3c_fb_pal_is16(win->index))
- writew(value, palreg);
+ if (win->variant.palette_16bpp)
+ writew(value, palreg + (reg * 2));
else
- writel(value, palreg);
+ writel(value, palreg + (reg * 4));
writel(palcon, sfb->regs + WPALCON);
}
@@ -532,7 +730,7 @@ static int s3c_fb_setcolreg(unsigned regno,
break;
case FB_VISUAL_PSEUDOCOLOR:
- if (regno < s3c_fb_win_pal_size(win->index)) {
+ if (regno < win->variant.palette_sz) {
val = chan_to_field(red, &win->palette.r);
val |= chan_to_field(green, &win->palette.g);
val |= chan_to_field(blue, &win->palette.b);
@@ -591,7 +789,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
dev_dbg(sfb->dev, "blank mode %d\n", blank_mode);
- wincon = readl(sfb->regs + WINCON(index));
+ wincon = readl(sfb->regs + sfb->variant.wincon + (index * 4));
switch (blank_mode) {
case FB_BLANK_POWERDOWN:
@@ -602,11 +800,11 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
case FB_BLANK_NORMAL:
/* disable the DMA and display 0x0 (black) */
writel(WINxMAP_MAP | WINxMAP_MAP_COLOUR(0x0),
- sfb->regs + WINxMAP(index));
+ sfb->regs + sfb->variant.winmap + (index * 4));
break;
case FB_BLANK_UNBLANK:
- writel(0x0, sfb->regs + WINxMAP(index));
+ writel(0x0, sfb->regs + sfb->variant.winmap + (index * 4));
wincon |= WINCONx_ENWIN;
sfb->enabled |= (1 << index);
break;
@@ -617,7 +815,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
return 1;
}
- writel(wincon, sfb->regs + WINCON(index));
+ writel(wincon, sfb->regs + sfb->variant.wincon + (index * 4));
/* Check the enabled state to see if we need to be running the
* main LCD interface, as if there are no active windows then
@@ -636,12 +834,185 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
/* we're stuck with this until we can do something about overriding
* the power control using the blanking event for a single fb.
*/
- if (index == 0)
+ if (index == sfb->pdata->default_win)
s3c_fb_enable(sfb, blank_mode != FB_BLANK_POWERDOWN ? 1 : 0);
return 0;
}
+/**
+ * s3c_fb_pan_display() - Pan the display.
+ *
+ * Note that the offsets can be written to the device at any time, as their
+ * values are latched at each vsync automatically. This also means that only
+ * the last call to this function will have any effect on next vsync, but
+ * there is no need to sleep waiting for it to prevent tearing.
+ *
+ * @var: The screen information to verify.
+ * @info: The framebuffer device.
+ */
+static int s3c_fb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct s3c_fb_win *win = info->par;
+ struct s3c_fb *sfb = win->parent;
+ void __iomem *buf = sfb->regs + win->index * 8;
+ unsigned int start_boff, end_boff;
+
+ /* Offset in bytes to the start of the displayed area */
+ start_boff = var->yoffset * info->fix.line_length;
+ /* X offset depends on the current bpp */
+ if (info->var.bits_per_pixel >= 8) {
+ start_boff += var->xoffset * (info->var.bits_per_pixel >> 3);
+ } else {
+ switch (info->var.bits_per_pixel) {
+ case 4:
+ start_boff += var->xoffset >> 1;
+ break;
+ case 2:
+ start_boff += var->xoffset >> 2;
+ break;
+ case 1:
+ start_boff += var->xoffset >> 3;
+ break;
+ default:
+ dev_err(sfb->dev, "invalid bpp\n");
+ return -EINVAL;
+ }
+ }
+ /* Offset in bytes to the end of the displayed area */
+ end_boff = start_boff + var->yres * info->fix.line_length;
+
+ /* Temporarily turn off per-vsync update from shadow registers until
+ * both start and end addresses are updated to prevent corruption */
+ shadow_protect_win(win, 1);
+
+ writel(info->fix.smem_start + start_boff, buf + sfb->variant.buf_start);
+ writel(info->fix.smem_start + end_boff, buf + sfb->variant.buf_end);
+
+ shadow_protect_win(win, 0);
+
+ return 0;
+}
+
+/**
+ * s3c_fb_enable_irq() - enable framebuffer interrupts
+ * @sfb: main hardware state
+ */
+static void s3c_fb_enable_irq(struct s3c_fb *sfb)
+{
+ void __iomem *regs = sfb->regs;
+ u32 irq_ctrl_reg;
+
+ if (!test_and_set_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) {
+ /* IRQ disabled, enable it */
+ irq_ctrl_reg = readl(regs + VIDINTCON0);
+
+ irq_ctrl_reg |= VIDINTCON0_INT_ENABLE;
+ irq_ctrl_reg |= VIDINTCON0_INT_FRAME;
+
+ irq_ctrl_reg &= ~VIDINTCON0_FRAMESEL0_MASK;
+ irq_ctrl_reg |= VIDINTCON0_FRAMESEL0_VSYNC;
+ irq_ctrl_reg &= ~VIDINTCON0_FRAMESEL1_MASK;
+ irq_ctrl_reg |= VIDINTCON0_FRAMESEL1_NONE;
+
+ writel(irq_ctrl_reg, regs + VIDINTCON0);
+ }
+}
+
+/**
+ * s3c_fb_disable_irq() - disable framebuffer interrupts
+ * @sfb: main hardware state
+ */
+static void s3c_fb_disable_irq(struct s3c_fb *sfb)
+{
+ void __iomem *regs = sfb->regs;
+ u32 irq_ctrl_reg;
+
+ if (test_and_clear_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) {
+ /* IRQ enabled, disable it */
+ irq_ctrl_reg = readl(regs + VIDINTCON0);
+
+ irq_ctrl_reg &= ~VIDINTCON0_INT_FRAME;
+ irq_ctrl_reg &= ~VIDINTCON0_INT_ENABLE;
+
+ writel(irq_ctrl_reg, regs + VIDINTCON0);
+ }
+}
+
+static irqreturn_t s3c_fb_irq(int irq, void *dev_id)
+{
+ struct s3c_fb *sfb = dev_id;
+ void __iomem *regs = sfb->regs;
+ u32 irq_sts_reg;
+
+ irq_sts_reg = readl(regs + VIDINTCON1);
+
+ if (irq_sts_reg & VIDINTCON1_INT_FRAME) {
+
+ /* VSYNC interrupt, accept it */
+ writel(VIDINTCON1_INT_FRAME, regs + VIDINTCON1);
+
+ sfb->vsync_info.count++;
+ wake_up_interruptible(&sfb->vsync_info.wait);
+ }
+
+ /* We only support waiting for VSYNC for now, so it's safe
+ * to always disable irqs here.
+ */
+ s3c_fb_disable_irq(sfb);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * s3c_fb_wait_for_vsync() - sleep until next VSYNC interrupt or timeout
+ * @sfb: main hardware state
+ * @crtc: head index.
+ */
+static int s3c_fb_wait_for_vsync(struct s3c_fb *sfb, u32 crtc)
+{
+ unsigned long count;
+ int ret;
+
+ if (crtc != 0)
+ return -ENODEV;
+
+ count = sfb->vsync_info.count;
+ s3c_fb_enable_irq(sfb);
+ ret = wait_event_interruptible_timeout(sfb->vsync_info.wait,
+ count != sfb->vsync_info.count,
+ msecs_to_jiffies(VSYNC_TIMEOUT_MSEC));
+ if (ret == 0)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int s3c_fb_ioctl(struct fb_info *info, unsigned int cmd,
+ unsigned long arg)
+{
+ struct s3c_fb_win *win = info->par;
+ struct s3c_fb *sfb = win->parent;
+ int ret;
+ u32 crtc;
+
+ switch (cmd) {
+ case FBIO_WAITFORVSYNC:
+ if (get_user(crtc, (u32 __user *)arg)) {
+ ret = -EFAULT;
+ break;
+ }
+
+ ret = s3c_fb_wait_for_vsync(sfb, crtc);
+ break;
+ default:
+ ret = -ENOTTY;
+ }
+
+ return ret;
+}
+
static struct fb_ops s3c_fb_ops = {
.owner = THIS_MODULE,
.fb_check_var = s3c_fb_check_var,
@@ -651,9 +1022,33 @@ static struct fb_ops s3c_fb_ops = {
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
+ .fb_pan_display = s3c_fb_pan_display,
+ .fb_ioctl = s3c_fb_ioctl,
};
/**
+ * s3c_fb_missing_pixclock() - calculates pixel clock
+ * @mode: The video mode to change.
+ *
+ * Calculate the pixel clock when none has been given through platform data.
+ */
+static void __devinit s3c_fb_missing_pixclock(struct fb_videomode *mode)
+{
+ u64 pixclk = 1000000000000ULL;
+ u32 div;
+
+ div = mode->left_margin + mode->hsync_len + mode->right_margin +
+ mode->xres;
+ div *= mode->upper_margin + mode->vsync_len + mode->lower_margin +
+ mode->yres;
+ div *= mode->refresh ? : 60;
+
+ do_div(pixclk, div);
+
+ mode->pixclock = pixclk;
+}
+
+/**
* s3c_fb_alloc_memory() - allocate display memory for framebuffer window
* @sfb: The base resources for the hardware.
* @win: The window to initialise memory for.
@@ -711,7 +1106,8 @@ static void s3c_fb_free_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)
{
struct fb_info *fbi = win->fbinfo;
- dma_free_writecombine(sfb->dev, PAGE_ALIGN(fbi->fix.smem_len),
+ if (fbi->screen_base)
+ dma_free_writecombine(sfb->dev, PAGE_ALIGN(fbi->fix.smem_len),
fbi->screen_base, fbi->fix.smem_start);
}
@@ -724,9 +1120,18 @@ static void s3c_fb_free_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)
*/
static void s3c_fb_release_win(struct s3c_fb *sfb, struct s3c_fb_win *win)
{
+ u32 data;
+
if (win->fbinfo) {
+ if (sfb->variant.has_shadowcon) {
+ data = readl(sfb->regs + SHADOWCON);
+ data &= ~SHADOWCON_CHx_ENABLE(win->index);
+ data &= ~SHADOWCON_CHx_LOCAL_ENABLE(win->index);
+ writel(data, sfb->regs + SHADOWCON);
+ }
unregister_framebuffer(win->fbinfo);
- fb_dealloc_cmap(&win->fbinfo->cmap);
+ if (win->fbinfo->cmap.len)
+ fb_dealloc_cmap(&win->fbinfo->cmap);
s3c_fb_free_memory(sfb, win);
framebuffer_release(win->fbinfo);
}
@@ -735,12 +1140,14 @@ static void s3c_fb_release_win(struct s3c_fb *sfb, struct s3c_fb_win *win)
/**
* s3c_fb_probe_win() - register an hardware window
* @sfb: The base resources for the hardware
+ * @variant: The variant information for this window.
* @res: Pointer to where to place the resultant window.
*
* Allocate and do the basic initialisation for one of the hardware's graphics
* windows.
*/
static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
+ struct s3c_fb_win_variant *variant,
struct s3c_fb_win **res)
{
struct fb_var_screeninfo *var;
@@ -751,9 +1158,11 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
int palette_size;
int ret;
- dev_dbg(sfb->dev, "probing window %d\n", win_no);
+ dev_dbg(sfb->dev, "probing window %d, variant %p\n", win_no, variant);
+
+ init_waitqueue_head(&sfb->vsync_info.wait);
- palette_size = s3c_fb_win_pal_size(win_no);
+ palette_size = variant->palette_sz * 4;
fbinfo = framebuffer_alloc(sizeof(struct s3c_fb_win) +
palette_size * sizeof(u32), sfb->dev);
@@ -770,7 +1179,9 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
WARN_ON(windata->win_mode.yres == 0);
win = fbinfo->par;
+ *res = win;
var = &fbinfo->var;
+ win->variant = *variant;
win->fbinfo = fbinfo;
win->parent = sfb;
win->windata = windata;
@@ -784,7 +1195,24 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
}
/* setup the r/b/g positions for the window's palette */
- s3c_fb_init_palette(win_no, &win->palette);
+ if (win->variant.palette_16bpp) {
+ /* Set RGB 5:6:5 as default */
+ win->palette.r.offset = 11;
+ win->palette.r.length = 5;
+ win->palette.g.offset = 5;
+ win->palette.g.length = 6;
+ win->palette.b.offset = 0;
+ win->palette.b.length = 5;
+
+ } else {
+ /* Set 8bpp or 8bpp and 1bit alpha */
+ win->palette.r.offset = 16;
+ win->palette.r.length = 8;
+ win->palette.g.offset = 8;
+ win->palette.g.length = 8;
+ win->palette.b.offset = 0;
+ win->palette.b.length = 8;
+ }
/* setup the initial video mode from the window */
fb_videomode_to_var(&fbinfo->var, initmode);
@@ -808,7 +1236,7 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
/* create initial colour map */
- ret = fb_alloc_cmap(&fbinfo->cmap, s3c_fb_win_pal_size(win_no), 1);
+ ret = fb_alloc_cmap(&fbinfo->cmap, win->variant.palette_sz, 1);
if (ret == 0)
fb_set_cmap(&fbinfo->cmap, fbinfo);
else
@@ -826,7 +1254,6 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
return ret;
}
- *res = win;
dev_info(sfb->dev, "window %d: fb %s\n", win_no, fbinfo->fix.id);
return 0;
@@ -842,18 +1269,19 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
static void s3c_fb_clear_win(struct s3c_fb *sfb, int win)
{
void __iomem *regs = sfb->regs;
-
- writel(0, regs + WINCON(win));
- writel(0xffffff, regs + WxKEYCONy(win, 0));
- writel(0xffffff, regs + WxKEYCONy(win, 1));
-
- writel(0, regs + VIDOSD_A(win));
- writel(0, regs + VIDOSD_B(win));
- writel(0, regs + VIDOSD_C(win));
+ u32 reg;
+
+ writel(0, regs + sfb->variant.wincon + (win * 4));
+ writel(0, regs + VIDOSD_A(win, sfb->variant));
+ writel(0, regs + VIDOSD_B(win, sfb->variant));
+ writel(0, regs + VIDOSD_C(win, sfb->variant));
+ reg = readl(regs + SHADOWCON);
+ writel(reg & ~SHADOWCON_WINx_PROTECT(win), regs + SHADOWCON);
}
static int __devinit s3c_fb_probe(struct platform_device *pdev)
{
+ struct s3c_fb_driverdata *fbdrv;
struct device *dev = &pdev->dev;
struct s3c_fb_platdata *pd;
struct s3c_fb *sfb;
@@ -861,6 +1289,13 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
int win;
int ret = 0;
+ fbdrv = (struct s3c_fb_driverdata *)platform_get_device_id(pdev)->driver_data;
+
+ if (fbdrv->variant.nr_windows > S3C_FB_MAX_WIN) {
+ dev_err(dev, "too many windows, cannot attach\n");
+ return -EINVAL;
+ }
+
pd = pdev->dev.platform_data;
if (!pd) {
dev_err(dev, "no platform data specified\n");
@@ -873,8 +1308,11 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ dev_dbg(dev, "allocate new framebuffer %p\n", sfb);
+
sfb->dev = dev;
sfb->pdata = pd;
+ sfb->variant = fbdrv->variant;
sfb->bus_clk = clk_get(dev, "lcd");
if (IS_ERR(sfb->bus_clk)) {
@@ -906,6 +1344,20 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
goto err_req_region;
}
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!res) {
+ dev_err(dev, "failed to acquire irq resource\n");
+ ret = -ENOENT;
+ goto err_ioremap;
+ }
+ sfb->irq_no = res->start;
+ ret = request_irq(sfb->irq_no, s3c_fb_irq,
+ 0, "s3c_fb", sfb);
+ if (ret) {
+ dev_err(dev, "irq request failed\n");
+ goto err_ioremap;
+ }
+
dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs);
/* setup gpio and output polarity controls */
@@ -916,21 +1368,34 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
/* zero all windows before we do anything */
- for (win = 0; win < S3C_FB_MAX_WIN; win++)
+ for (win = 0; win < fbdrv->variant.nr_windows; win++)
s3c_fb_clear_win(sfb, win);
+ /* initialise colour key controls */
+ for (win = 0; win < (fbdrv->variant.nr_windows - 1); win++) {
+ void __iomem *regs = sfb->regs + sfb->variant.keycon;
+
+ regs += (win * 8);
+ writel(0xffffff, regs + WKEYCON0);
+ writel(0xffffff, regs + WKEYCON1);
+ }
+
/* we have the register setup, start allocating framebuffers */
- for (win = 0; win < S3C_FB_MAX_WIN; win++) {
+ for (win = 0; win < fbdrv->variant.nr_windows; win++) {
if (!pd->win[win])
continue;
- ret = s3c_fb_probe_win(sfb, win, &sfb->windows[win]);
+ if (!pd->win[win]->win_mode.pixclock)
+ s3c_fb_missing_pixclock(&pd->win[win]->win_mode);
+
+ ret = s3c_fb_probe_win(sfb, win, fbdrv->win[win],
+ &sfb->windows[win]);
if (ret < 0) {
dev_err(dev, "failed to create window %d\n", win);
for (; win >= 0; win--)
s3c_fb_release_win(sfb, sfb->windows[win]);
- goto err_ioremap;
+ goto err_irq;
}
}
@@ -938,6 +1403,9 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
return 0;
+err_irq:
+ free_irq(sfb->irq_no, sfb);
+
err_ioremap:
iounmap(sfb->regs);
@@ -970,6 +1438,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
if (sfb->windows[win])
s3c_fb_release_win(sfb, sfb->windows[win]);
+ free_irq(sfb->irq_no, sfb);
+
iounmap(sfb->regs);
clk_disable(sfb->bus_clk);
@@ -1016,9 +1486,17 @@ static int s3c_fb_resume(struct platform_device *pdev)
writel(pd->vidcon1, sfb->regs + VIDCON1);
/* zero all windows before we do anything */
- for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++)
+ for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++)
s3c_fb_clear_win(sfb, win_no);
+ for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) {
+ void __iomem *regs = sfb->regs + sfb->variant.keycon;
+
+ regs += (win_no * 8);
+ writel(0xffffff, regs + WKEYCON0);
+ writel(0xffffff, regs + WKEYCON1);
+ }
+
/* restore framebuffers */
for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
win = sfb->windows[win_no];
@@ -1036,11 +1514,208 @@ static int s3c_fb_resume(struct platform_device *pdev)
#define s3c_fb_resume NULL
#endif
+
+#define VALID_BPP124 (VALID_BPP(1) | VALID_BPP(2) | VALID_BPP(4))
+#define VALID_BPP1248 (VALID_BPP124 | VALID_BPP(8))
+
+static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] = {
+ [0] = {
+ .has_osd_c = 1,
+ .osd_size_off = 0x8,
+ .palette_sz = 256,
+ .valid_bpp = VALID_BPP1248 | VALID_BPP(16) | VALID_BPP(24),
+ },
+ [1] = {
+ .has_osd_c = 1,
+ .has_osd_d = 1,
+ .osd_size_off = 0x12,
+ .has_osd_alpha = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25)),
+ },
+ [2] = {
+ .has_osd_c = 1,
+ .has_osd_d = 1,
+ .osd_size_off = 0x12,
+ .has_osd_alpha = 1,
+ .palette_sz = 16,
+ .palette_16bpp = 1,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25)),
+ },
+ [3] = {
+ .has_osd_c = 1,
+ .has_osd_alpha = 1,
+ .palette_sz = 16,
+ .palette_16bpp = 1,
+ .valid_bpp = (VALID_BPP124 | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25)),
+ },
+ [4] = {
+ .has_osd_c = 1,
+ .has_osd_alpha = 1,
+ .palette_sz = 4,
+ .palette_16bpp = 1,
+ .valid_bpp = (VALID_BPP(1) | VALID_BPP(2) |
+ VALID_BPP(16) | VALID_BPP(18) |
+ VALID_BPP(24) | VALID_BPP(25)),
+ },
+};
+
+static struct s3c_fb_driverdata s3c_fb_data_64xx = {
+ .variant = {
+ .nr_windows = 5,
+ .vidtcon = VIDTCON0,
+ .wincon = WINCON(0),
+ .winmap = WINxMAP(0),
+ .keycon = WKEYCON,
+ .osd = VIDOSD_BASE,
+ .osd_stride = 16,
+ .buf_start = VIDW_BUF_START(0),
+ .buf_size = VIDW_BUF_SIZE(0),
+ .buf_end = VIDW_BUF_END(0),
+
+ .palette = {
+ [0] = 0x400,
+ [1] = 0x800,
+ [2] = 0x300,
+ [3] = 0x320,
+ [4] = 0x340,
+ },
+
+ .has_prtcon = 1,
+ },
+ .win[0] = &s3c_fb_data_64xx_wins[0],
+ .win[1] = &s3c_fb_data_64xx_wins[1],
+ .win[2] = &s3c_fb_data_64xx_wins[2],
+ .win[3] = &s3c_fb_data_64xx_wins[3],
+ .win[4] = &s3c_fb_data_64xx_wins[4],
+};
+
+static struct s3c_fb_driverdata s3c_fb_data_s5pc100 = {
+ .variant = {
+ .nr_windows = 5,
+ .vidtcon = VIDTCON0,
+ .wincon = WINCON(0),
+ .winmap = WINxMAP(0),
+ .keycon = WKEYCON,
+ .osd = VIDOSD_BASE,
+ .osd_stride = 16,
+ .buf_start = VIDW_BUF_START(0),
+ .buf_size = VIDW_BUF_SIZE(0),
+ .buf_end = VIDW_BUF_END(0),
+
+ .palette = {
+ [0] = 0x2400,
+ [1] = 0x2800,
+ [2] = 0x2c00,
+ [3] = 0x3000,
+ [4] = 0x3400,
+ },
+
+ .has_prtcon = 1,
+ },
+ .win[0] = &s3c_fb_data_64xx_wins[0],
+ .win[1] = &s3c_fb_data_64xx_wins[1],
+ .win[2] = &s3c_fb_data_64xx_wins[2],
+ .win[3] = &s3c_fb_data_64xx_wins[3],
+ .win[4] = &s3c_fb_data_64xx_wins[4],
+};
+
+static struct s3c_fb_driverdata s3c_fb_data_s5pv210 = {
+ .variant = {
+ .nr_windows = 5,
+ .vidtcon = VIDTCON0,
+ .wincon = WINCON(0),
+ .winmap = WINxMAP(0),
+ .keycon = WKEYCON,
+ .osd = VIDOSD_BASE,
+ .osd_stride = 16,
+ .buf_start = VIDW_BUF_START(0),
+ .buf_size = VIDW_BUF_SIZE(0),
+ .buf_end = VIDW_BUF_END(0),
+
+ .palette = {
+ [0] = 0x2400,
+ [1] = 0x2800,
+ [2] = 0x2c00,
+ [3] = 0x3000,
+ [4] = 0x3400,
+ },
+
+ .has_shadowcon = 1,
+ },
+ .win[0] = &s3c_fb_data_64xx_wins[0],
+ .win[1] = &s3c_fb_data_64xx_wins[1],
+ .win[2] = &s3c_fb_data_64xx_wins[2],
+ .win[3] = &s3c_fb_data_64xx_wins[3],
+ .win[4] = &s3c_fb_data_64xx_wins[4],
+};
+
+/* S3C2443/S3C2416 style hardware */
+static struct s3c_fb_driverdata s3c_fb_data_s3c2443 = {
+ .variant = {
+ .nr_windows = 2,
+ .is_2443 = 1,
+
+ .vidtcon = 0x08,
+ .wincon = 0x14,
+ .winmap = 0xd0,
+ .keycon = 0xb0,
+ .osd = 0x28,
+ .osd_stride = 12,
+ .buf_start = 0x64,
+ .buf_size = 0x94,
+ .buf_end = 0x7c,
+
+ .palette = {
+ [0] = 0x400,
+ [1] = 0x800,
+ },
+ },
+ .win[0] = &(struct s3c_fb_win_variant) {
+ .palette_sz = 256,
+ .valid_bpp = VALID_BPP1248 | VALID_BPP(16) | VALID_BPP(24),
+ },
+ .win[1] = &(struct s3c_fb_win_variant) {
+ .has_osd_c = 1,
+ .has_osd_alpha = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(28)),
+ },
+};
+
+static struct platform_device_id s3c_fb_driver_ids[] = {
+ {
+ .name = "s3c-fb",
+ .driver_data = (unsigned long)&s3c_fb_data_64xx,
+ }, {
+ .name = "s5pc100-fb",
+ .driver_data = (unsigned long)&s3c_fb_data_s5pc100,
+ }, {
+ .name = "s5pv210-fb",
+ .driver_data = (unsigned long)&s3c_fb_data_s5pv210,
+ }, {
+ .name = "s3c2443-fb",
+ .driver_data = (unsigned long)&s3c_fb_data_s3c2443,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, s3c_fb_driver_ids);
+
static struct platform_driver s3c_fb_driver = {
.probe = s3c_fb_probe,
.remove = __devexit_p(s3c_fb_remove),
.suspend = s3c_fb_suspend,
.resume = s3c_fb_resume,
+ .id_table = s3c_fb_driver_ids,
.driver = {
.name = "s3c-fb",
.owner = THIS_MODULE,
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c
new file mode 100644
index 000000000000..5699ce0c1780
--- /dev/null
+++ b/drivers/video/sh_mipi_dsi.c
@@ -0,0 +1,505 @@
+/*
+ * Renesas SH-mobile MIPI DSI support
+ *
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <video/mipi_display.h>
+#include <video/sh_mipi_dsi.h>
+#include <video/sh_mobile_lcdc.h>
+
+#define CMTSRTCTR 0x80d0
+#define CMTSRTREQ 0x8070
+
+#define DSIINTE 0x0060
+
+/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
+#define MAX_SH_MIPI_DSI 2
+
+struct sh_mipi {
+ void __iomem *base;
+ struct clk *dsit_clk;
+ struct clk *dsip_clk;
+};
+
+static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
+
+/* Protect the above array */
+static DEFINE_MUTEX(array_lock);
+
+static struct sh_mipi *sh_mipi_by_handle(int handle)
+{
+ if (handle >= ARRAY_SIZE(mipi_dsi) || handle < 0)
+ return NULL;
+
+ return mipi_dsi[handle];
+}
+
+static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
+ u8 cmd, u8 param)
+{
+ u32 data = (dsi_cmd << 24) | (cmd << 16) | (param << 8);
+ int cnt = 100;
+
+ /* transmit a short packet to LCD panel */
+ iowrite32(1 | data, mipi->base + 0x80d0); /* CMTSRTCTR */
+ iowrite32(1, mipi->base + 0x8070); /* CMTSRTREQ */
+
+ while ((ioread32(mipi->base + 0x8070) & 1) && --cnt)
+ udelay(1);
+
+ return cnt ? 0 : -ETIMEDOUT;
+}
+
+#define LCD_CHAN2MIPI(c) ((c) < LCDC_CHAN_MAINLCD || (c) > LCDC_CHAN_SUBLCD ? \
+ -EINVAL : (c) - 1)
+
+static int sh_mipi_dcs(int handle, u8 cmd)
+{
+ struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
+ if (!mipi)
+ return -ENODEV;
+ return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE, cmd, 0);
+}
+
+static int sh_mipi_dcs_param(int handle, u8 cmd, u8 param)
+{
+ struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
+ if (!mipi)
+ return -ENODEV;
+ return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE_PARAM, cmd,
+ param);
+}
+
+static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
+{
+ /*
+ * enable LCDC data tx, transition to LPS after completion of each HS
+ * packet
+ */
+ iowrite32(0x00000002 | enable, mipi->base + 0x8000); /* DTCTR */
+}
+
+static void sh_mipi_shutdown(struct platform_device *pdev)
+{
+ struct sh_mipi *mipi = platform_get_drvdata(pdev);
+
+ sh_mipi_dsi_enable(mipi, false);
+}
+
+static void mipi_display_on(void *arg, struct fb_info *info)
+{
+ struct sh_mipi *mipi = arg;
+
+ sh_mipi_dsi_enable(mipi, true);
+}
+
+static void mipi_display_off(void *arg)
+{
+ struct sh_mipi *mipi = arg;
+
+ sh_mipi_dsi_enable(mipi, false);
+}
+
+static int __init sh_mipi_setup(struct sh_mipi *mipi,
+ struct sh_mipi_dsi_info *pdata)
+{
+ void __iomem *base = mipi->base;
+ struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan;
+ u32 pctype, datatype, pixfmt;
+ u32 linelength;
+ bool yuv;
+
+ /* Select data format */
+ switch (pdata->data_format) {
+ case MIPI_RGB888:
+ pctype = 0;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_RGB565:
+ pctype = 1;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = false;
+ break;
+ case MIPI_RGB666_LP:
+ pctype = 2;
+ datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_RGB666:
+ pctype = 3;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
+ linelength = (ch->lcd_cfg.xres * 18 + 7) / 8;
+ yuv = false;
+ break;
+ case MIPI_BGR888:
+ pctype = 8;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_BGR565:
+ pctype = 9;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = false;
+ break;
+ case MIPI_BGR666_LP:
+ pctype = 0xa;
+ datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_BGR666:
+ pctype = 0xb;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
+ linelength = (ch->lcd_cfg.xres * 18 + 7) / 8;
+ yuv = false;
+ break;
+ case MIPI_YUYV:
+ pctype = 4;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = true;
+ break;
+ case MIPI_UYVY:
+ pctype = 5;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = true;
+ break;
+ case MIPI_YUV420_L:
+ pctype = 6;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
+ pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
+ linelength = (ch->lcd_cfg.xres * 12 + 7) / 8;
+ yuv = true;
+ break;
+ case MIPI_YUV420:
+ pctype = 7;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
+ pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
+ /* Length of U/V line */
+ linelength = (ch->lcd_cfg.xres + 1) / 2;
+ yuv = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ((yuv && ch->interface_type != YUV422) ||
+ (!yuv && ch->interface_type != RGB24))
+ return -EINVAL;
+
+ /* reset DSI link */
+ iowrite32(0x00000001, base); /* SYSCTRL */
+ /* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
+ udelay(50);
+ iowrite32(0x00000000, base); /* SYSCTRL */
+
+ /* setup DSI link */
+
+ /*
+ * Default = ULPS enable |
+ * Contention detection enabled |
+ * EoT packet transmission enable |
+ * CRC check enable |
+ * ECC check enable
+ * additionally enable first two lanes
+ */
+ iowrite32(0x00003703, base + 0x04); /* SYSCONF */
+ /*
+ * T_wakeup = 0x7000
+ * T_hs-trail = 3
+ * T_hs-prepare = 3
+ * T_clk-trail = 3
+ * T_clk-prepare = 2
+ */
+ iowrite32(0x70003332, base + 0x08); /* TIMSET */
+ /* no responses requested */
+ iowrite32(0x00000000, base + 0x18); /* RESREQSET0 */
+ /* request response to packets of type 0x28 */
+ iowrite32(0x00000100, base + 0x1c); /* RESREQSET1 */
+ /* High-speed transmission timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x20); /* HSTTOVSET */
+ /* LP reception timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x24); /* LPRTOVSET */
+ /* Turn-around timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x28); /* TATOVSET */
+ /* Peripheral reset timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x2c); /* PRTOVSET */
+ /* Enable timeout counters */
+ iowrite32(0x00000f00, base + 0x30); /* DSICTRL */
+ /* Interrupts not used, disable all */
+ iowrite32(0, base + DSIINTE);
+ /* DSI-Tx bias on */
+ iowrite32(0x00000001, base + 0x70); /* PHYCTRL */
+ udelay(200);
+ /* Deassert resets, power on, set multiplier */
+ iowrite32(0x03070b01, base + 0x70); /* PHYCTRL */
+
+ /* setup l-bridge */
+
+ /*
+ * Enable transmission of all packets,
+ * transmit LPS after each HS packet completion
+ */
+ iowrite32(0x00000006, base + 0x8000); /* DTCTR */
+ /* VSYNC width = 2 (<< 17) */
+ iowrite32(0x00040000 | (pctype << 12) | datatype, base + 0x8020); /* VMCTR1 */
+ /*
+ * Non-burst mode with sync pulses: VSE and HSE are output,
+ * HSA period allowed, no commands in LP
+ */
+ iowrite32(0x00e00000, base + 0x8024); /* VMCTR2 */
+ /*
+ * 0x660 = 1632 bytes per line (RGB24, 544 pixels: see
+ * sh_mobile_lcdc_info.ch[0].lcd_cfg.xres), HSALEN = 1 - default
+ * (unused, since VMCTR2[HSABM] = 0)
+ */
+ iowrite32(1 | (linelength << 16), base + 0x8028); /* VMLEN1 */
+
+ msleep(5);
+
+ /* setup LCD panel */
+
+ /* cf. drivers/video/omap/lcd_mipid.c */
+ sh_mipi_dcs(ch->chan, MIPI_DCS_EXIT_SLEEP_MODE);
+ msleep(120);
+ /*
+ * [7] - Page Address Mode
+ * [6] - Column Address Mode
+ * [5] - Page / Column Address Mode
+ * [4] - Display Device Line Refresh Order
+ * [3] - RGB/BGR Order
+ * [2] - Display Data Latch Data Order
+ * [1] - Flip Horizontal
+ * [0] - Flip Vertical
+ */
+ sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
+ /* cf. set_data_lines() */
+ sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_PIXEL_FORMAT,
+ pixfmt << 4);
+ sh_mipi_dcs(ch->chan, MIPI_DCS_SET_DISPLAY_ON);
+
+ return 0;
+}
+
+static int __init sh_mipi_probe(struct platform_device *pdev)
+{
+ struct sh_mipi *mipi;
+ struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ unsigned long rate, f_current;
+ int idx = pdev->id, ret;
+ char dsip_clk[] = "dsi.p_clk";
+
+ if (!res || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
+ return -ENODEV;
+
+ mutex_lock(&array_lock);
+ if (idx < 0)
+ for (idx = 0; idx < ARRAY_SIZE(mipi_dsi) && mipi_dsi[idx]; idx++)
+ ;
+
+ if (idx == ARRAY_SIZE(mipi_dsi)) {
+ ret = -EBUSY;
+ goto efindslot;
+ }
+
+ mipi = kzalloc(sizeof(*mipi), GFP_KERNEL);
+ if (!mipi) {
+ ret = -ENOMEM;
+ goto ealloc;
+ }
+
+ if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
+ dev_err(&pdev->dev, "MIPI register region already claimed\n");
+ ret = -EBUSY;
+ goto ereqreg;
+ }
+
+ mipi->base = ioremap(res->start, resource_size(res));
+ if (!mipi->base) {
+ ret = -ENOMEM;
+ goto emap;
+ }
+
+ mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
+ if (IS_ERR(mipi->dsit_clk)) {
+ ret = PTR_ERR(mipi->dsit_clk);
+ goto eclktget;
+ }
+
+ f_current = clk_get_rate(mipi->dsit_clk);
+ /* 80MHz required by the datasheet */
+ rate = clk_round_rate(mipi->dsit_clk, 80000000);
+ if (rate > 0 && rate != f_current)
+ ret = clk_set_rate(mipi->dsit_clk, rate);
+ else
+ ret = rate;
+ if (ret < 0)
+ goto esettrate;
+
+ dev_dbg(&pdev->dev, "DSI-T clk %lu -> %lu\n", f_current, rate);
+
+ sprintf(dsip_clk, "dsi%1.1dp_clk", idx);
+ mipi->dsip_clk = clk_get(&pdev->dev, dsip_clk);
+ if (IS_ERR(mipi->dsip_clk)) {
+ ret = PTR_ERR(mipi->dsip_clk);
+ goto eclkpget;
+ }
+
+ f_current = clk_get_rate(mipi->dsip_clk);
+ /* Between 10 and 50MHz */
+ rate = clk_round_rate(mipi->dsip_clk, 24000000);
+ if (rate > 0 && rate != f_current)
+ ret = clk_set_rate(mipi->dsip_clk, rate);
+ else
+ ret = rate;
+ if (ret < 0)
+ goto esetprate;
+
+ dev_dbg(&pdev->dev, "DSI-P clk %lu -> %lu\n", f_current, rate);
+
+ msleep(10);
+
+ ret = clk_enable(mipi->dsit_clk);
+ if (ret < 0)
+ goto eclkton;
+
+ ret = clk_enable(mipi->dsip_clk);
+ if (ret < 0)
+ goto eclkpon;
+
+ mipi_dsi[idx] = mipi;
+
+ ret = sh_mipi_setup(mipi, pdata);
+ if (ret < 0)
+ goto emipisetup;
+
+ mutex_unlock(&array_lock);
+ platform_set_drvdata(pdev, mipi);
+
+ /* Set up LCDC callbacks */
+ pdata->lcd_chan->board_cfg.board_data = mipi;
+ pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
+ pdata->lcd_chan->board_cfg.display_off = mipi_display_off;
+
+ return 0;
+
+emipisetup:
+ mipi_dsi[idx] = NULL;
+ clk_disable(mipi->dsip_clk);
+eclkpon:
+ clk_disable(mipi->dsit_clk);
+eclkton:
+esetprate:
+ clk_put(mipi->dsip_clk);
+eclkpget:
+esettrate:
+ clk_put(mipi->dsit_clk);
+eclktget:
+ iounmap(mipi->base);
+emap:
+ release_mem_region(res->start, resource_size(res));
+ereqreg:
+ kfree(mipi);
+ealloc:
+efindslot:
+ mutex_unlock(&array_lock);
+
+ return ret;
+}
+
+static int __exit sh_mipi_remove(struct platform_device *pdev)
+{
+ struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct sh_mipi *mipi = platform_get_drvdata(pdev);
+ int i, ret;
+
+ mutex_lock(&array_lock);
+
+ for (i = 0; i < ARRAY_SIZE(mipi_dsi) && mipi_dsi[i] != mipi; i++)
+ ;
+
+ if (i == ARRAY_SIZE(mipi_dsi)) {
+ ret = -EINVAL;
+ } else {
+ ret = 0;
+ mipi_dsi[i] = NULL;
+ }
+
+ mutex_unlock(&array_lock);
+
+ if (ret < 0)
+ return ret;
+
+ pdata->lcd_chan->board_cfg.display_on = NULL;
+ pdata->lcd_chan->board_cfg.display_off = NULL;
+ pdata->lcd_chan->board_cfg.board_data = NULL;
+
+ clk_disable(mipi->dsip_clk);
+ clk_disable(mipi->dsit_clk);
+ clk_put(mipi->dsit_clk);
+ clk_put(mipi->dsip_clk);
+ iounmap(mipi->base);
+ if (res)
+ release_mem_region(res->start, resource_size(res));
+ platform_set_drvdata(pdev, NULL);
+ kfree(mipi);
+
+ return 0;
+}
+
+static struct platform_driver sh_mipi_driver = {
+ .remove = __exit_p(sh_mipi_remove),
+ .shutdown = sh_mipi_shutdown,
+ .driver = {
+ .name = "sh-mipi-dsi",
+ },
+};
+
+static int __init sh_mipi_init(void)
+{
+ return platform_driver_probe(&sh_mipi_driver, sh_mipi_probe);
+}
+module_init(sh_mipi_init);
+
+static void __exit sh_mipi_exit(void)
+{
+ platform_driver_unregister(&sh_mipi_driver);
+}
+module_exit(sh_mipi_exit);
+
+MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
+MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
new file mode 100644
index 000000000000..2fde08cc66bf
--- /dev/null
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -0,0 +1,1028 @@
+/*
+ * SH-Mobile High-Definition Multimedia Interface (HDMI) driver
+ * for SLISHDMI13T and SLIPHDMIT IP cores
+ *
+ * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include <video/sh_mobile_hdmi.h>
+#include <video/sh_mobile_lcdc.h>
+
+#define HDMI_SYSTEM_CTRL 0x00 /* System control */
+#define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control,
+ bits 19..16 of 20-bit N for Audio Clock Regeneration packet */
+#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8 0x02 /* bits 15..8 of 20-bit N for Audio Clock Regeneration packet */
+#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0 0x03 /* bits 7..0 of 20-bit N for Audio Clock Regeneration packet */
+#define HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS 0x04 /* SPDIF audio sampling frequency,
+ bits 19..16 of Internal CTS */
+#define HDMI_INTERNAL_CTS_15_8 0x05 /* bits 15..8 of Internal CTS */
+#define HDMI_INTERNAL_CTS_7_0 0x06 /* bits 7..0 of Internal CTS */
+#define HDMI_EXTERNAL_CTS_19_16 0x07 /* External CTS */
+#define HDMI_EXTERNAL_CTS_15_8 0x08 /* External CTS */
+#define HDMI_EXTERNAL_CTS_7_0 0x09 /* External CTS */
+#define HDMI_AUDIO_SETTING_1 0x0A /* Audio setting.1 */
+#define HDMI_AUDIO_SETTING_2 0x0B /* Audio setting.2 */
+#define HDMI_I2S_AUDIO_SET 0x0C /* I2S audio setting */
+#define HDMI_DSD_AUDIO_SET 0x0D /* DSD audio setting */
+#define HDMI_DEBUG_MONITOR_1 0x0E /* Debug monitor.1 */
+#define HDMI_DEBUG_MONITOR_2 0x0F /* Debug monitor.2 */
+#define HDMI_I2S_INPUT_PIN_SWAP 0x10 /* I2S input pin swap */
+#define HDMI_AUDIO_STATUS_BITS_SETTING_1 0x11 /* Audio status bits setting.1 */
+#define HDMI_AUDIO_STATUS_BITS_SETTING_2 0x12 /* Audio status bits setting.2 */
+#define HDMI_CATEGORY_CODE 0x13 /* Category code */
+#define HDMI_SOURCE_NUM_AUDIO_WORD_LEN 0x14 /* Source number/Audio word length */
+#define HDMI_AUDIO_VIDEO_SETTING_1 0x15 /* Audio/Video setting.1 */
+#define HDMI_VIDEO_SETTING_1 0x16 /* Video setting.1 */
+#define HDMI_DEEP_COLOR_MODES 0x17 /* Deep Color Modes */
+
+/* 12 16- and 10-bit Color space conversion parameters: 0x18..0x2f */
+#define HDMI_COLOR_SPACE_CONVERSION_PARAMETERS 0x18
+
+#define HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS 0x30 /* External video parameter settings */
+#define HDMI_EXTERNAL_H_TOTAL_7_0 0x31 /* External horizontal total (LSB) */
+#define HDMI_EXTERNAL_H_TOTAL_11_8 0x32 /* External horizontal total (MSB) */
+#define HDMI_EXTERNAL_H_BLANK_7_0 0x33 /* External horizontal blank (LSB) */
+#define HDMI_EXTERNAL_H_BLANK_9_8 0x34 /* External horizontal blank (MSB) */
+#define HDMI_EXTERNAL_H_DELAY_7_0 0x35 /* External horizontal delay (LSB) */
+#define HDMI_EXTERNAL_H_DELAY_9_8 0x36 /* External horizontal delay (MSB) */
+#define HDMI_EXTERNAL_H_DURATION_7_0 0x37 /* External horizontal duration (LSB) */
+#define HDMI_EXTERNAL_H_DURATION_9_8 0x38 /* External horizontal duration (MSB) */
+#define HDMI_EXTERNAL_V_TOTAL_7_0 0x39 /* External vertical total (LSB) */
+#define HDMI_EXTERNAL_V_TOTAL_9_8 0x3A /* External vertical total (MSB) */
+#define HDMI_AUDIO_VIDEO_SETTING_2 0x3B /* Audio/Video setting.2 */
+#define HDMI_EXTERNAL_V_BLANK 0x3D /* External vertical blank */
+#define HDMI_EXTERNAL_V_DELAY 0x3E /* External vertical delay */
+#define HDMI_EXTERNAL_V_DURATION 0x3F /* External vertical duration */
+#define HDMI_CTRL_PKT_MANUAL_SEND_CONTROL 0x40 /* Control packet manual send control */
+#define HDMI_CTRL_PKT_AUTO_SEND 0x41 /* Control packet auto send with VSYNC control */
+#define HDMI_AUTO_CHECKSUM_OPTION 0x42 /* Auto checksum option */
+#define HDMI_VIDEO_SETTING_2 0x45 /* Video setting.2 */
+#define HDMI_OUTPUT_OPTION 0x46 /* Output option */
+#define HDMI_SLIPHDMIT_PARAM_OPTION 0x51 /* SLIPHDMIT parameter option */
+#define HDMI_HSYNC_PMENT_AT_EMB_7_0 0x52 /* HSYNC placement at embedded sync (LSB) */
+#define HDMI_HSYNC_PMENT_AT_EMB_15_8 0x53 /* HSYNC placement at embedded sync (MSB) */
+#define HDMI_VSYNC_PMENT_AT_EMB_7_0 0x54 /* VSYNC placement at embedded sync (LSB) */
+#define HDMI_VSYNC_PMENT_AT_EMB_14_8 0x55 /* VSYNC placement at embedded sync (MSB) */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_1 0x56 /* SLIPHDMIT parameter settings.1 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_2 0x57 /* SLIPHDMIT parameter settings.2 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_3 0x58 /* SLIPHDMIT parameter settings.3 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_5 0x59 /* SLIPHDMIT parameter settings.5 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_6 0x5A /* SLIPHDMIT parameter settings.6 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_7 0x5B /* SLIPHDMIT parameter settings.7 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_8 0x5C /* SLIPHDMIT parameter settings.8 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_9 0x5D /* SLIPHDMIT parameter settings.9 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_10 0x5E /* SLIPHDMIT parameter settings.10 */
+#define HDMI_CTRL_PKT_BUF_INDEX 0x5F /* Control packet buffer index */
+#define HDMI_CTRL_PKT_BUF_ACCESS_HB0 0x60 /* Control packet data buffer access window - HB0 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_HB1 0x61 /* Control packet data buffer access window - HB1 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_HB2 0x62 /* Control packet data buffer access window - HB2 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB0 0x63 /* Control packet data buffer access window - PB0 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB1 0x64 /* Control packet data buffer access window - PB1 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB2 0x65 /* Control packet data buffer access window - PB2 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB3 0x66 /* Control packet data buffer access window - PB3 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB4 0x67 /* Control packet data buffer access window - PB4 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB5 0x68 /* Control packet data buffer access window - PB5 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB6 0x69 /* Control packet data buffer access window - PB6 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB7 0x6A /* Control packet data buffer access window - PB7 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB8 0x6B /* Control packet data buffer access window - PB8 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB9 0x6C /* Control packet data buffer access window - PB9 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB10 0x6D /* Control packet data buffer access window - PB10 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB11 0x6E /* Control packet data buffer access window - PB11 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB12 0x6F /* Control packet data buffer access window - PB12 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB13 0x70 /* Control packet data buffer access window - PB13 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB14 0x71 /* Control packet data buffer access window - PB14 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB15 0x72 /* Control packet data buffer access window - PB15 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB16 0x73 /* Control packet data buffer access window - PB16 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB17 0x74 /* Control packet data buffer access window - PB17 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB18 0x75 /* Control packet data buffer access window - PB18 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB19 0x76 /* Control packet data buffer access window - PB19 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB20 0x77 /* Control packet data buffer access window - PB20 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB21 0x78 /* Control packet data buffer access window - PB21 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB22 0x79 /* Control packet data buffer access window - PB22 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB23 0x7A /* Control packet data buffer access window - PB23 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB24 0x7B /* Control packet data buffer access window - PB24 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB25 0x7C /* Control packet data buffer access window - PB25 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB26 0x7D /* Control packet data buffer access window - PB26 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB27 0x7E /* Control packet data buffer access window - PB27 */
+#define HDMI_EDID_KSV_FIFO_ACCESS_WINDOW 0x80 /* EDID/KSV FIFO access window */
+#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_7_0 0x81 /* DDC bus access frequency control (LSB) */
+#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_15_8 0x82 /* DDC bus access frequency control (MSB) */
+#define HDMI_INTERRUPT_MASK_1 0x92 /* Interrupt mask.1 */
+#define HDMI_INTERRUPT_MASK_2 0x93 /* Interrupt mask.2 */
+#define HDMI_INTERRUPT_STATUS_1 0x94 /* Interrupt status.1 */
+#define HDMI_INTERRUPT_STATUS_2 0x95 /* Interrupt status.2 */
+#define HDMI_INTERRUPT_MASK_3 0x96 /* Interrupt mask.3 */
+#define HDMI_INTERRUPT_MASK_4 0x97 /* Interrupt mask.4 */
+#define HDMI_INTERRUPT_STATUS_3 0x98 /* Interrupt status.3 */
+#define HDMI_INTERRUPT_STATUS_4 0x99 /* Interrupt status.4 */
+#define HDMI_SOFTWARE_HDCP_CONTROL_1 0x9A /* Software HDCP control.1 */
+#define HDMI_FRAME_COUNTER 0x9C /* Frame counter */
+#define HDMI_FRAME_COUNTER_FOR_RI_CHECK 0x9D /* Frame counter for Ri check */
+#define HDMI_HDCP_CONTROL 0xAF /* HDCP control */
+#define HDMI_RI_FRAME_COUNT_REGISTER 0xB2 /* Ri frame count register */
+#define HDMI_DDC_BUS_CONTROL 0xB7 /* DDC bus control */
+#define HDMI_HDCP_STATUS 0xB8 /* HDCP status */
+#define HDMI_SHA0 0xB9 /* sha0 */
+#define HDMI_SHA1 0xBA /* sha1 */
+#define HDMI_SHA2 0xBB /* sha2 */
+#define HDMI_SHA3 0xBC /* sha3 */
+#define HDMI_SHA4 0xBD /* sha4 */
+#define HDMI_BCAPS_READ 0xBE /* BCAPS read / debug */
+#define HDMI_AKSV_BKSV_7_0_MONITOR 0xBF /* AKSV/BKSV[7:0] monitor */
+#define HDMI_AKSV_BKSV_15_8_MONITOR 0xC0 /* AKSV/BKSV[15:8] monitor */
+#define HDMI_AKSV_BKSV_23_16_MONITOR 0xC1 /* AKSV/BKSV[23:16] monitor */
+#define HDMI_AKSV_BKSV_31_24_MONITOR 0xC2 /* AKSV/BKSV[31:24] monitor */
+#define HDMI_AKSV_BKSV_39_32_MONITOR 0xC3 /* AKSV/BKSV[39:32] monitor */
+#define HDMI_EDID_SEGMENT_POINTER 0xC4 /* EDID segment pointer */
+#define HDMI_EDID_WORD_ADDRESS 0xC5 /* EDID word address */
+#define HDMI_EDID_DATA_FIFO_ADDRESS 0xC6 /* EDID data FIFO address */
+#define HDMI_NUM_OF_HDMI_DEVICES 0xC7 /* Number of HDMI devices */
+#define HDMI_HDCP_ERROR_CODE 0xC8 /* HDCP error code */
+#define HDMI_100MS_TIMER_SET 0xC9 /* 100ms timer setting */
+#define HDMI_5SEC_TIMER_SET 0xCA /* 5sec timer setting */
+#define HDMI_RI_READ_COUNT 0xCB /* Ri read count */
+#define HDMI_AN_SEED 0xCC /* An seed */
+#define HDMI_MAX_NUM_OF_RCIVRS_ALLOWED 0xCD /* Maximum number of receivers allowed */
+#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_1 0xCE /* HDCP memory access control.1 */
+#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_2 0xCF /* HDCP memory access control.2 */
+#define HDMI_HDCP_CONTROL_2 0xD0 /* HDCP Control 2 */
+#define HDMI_HDCP_KEY_MEMORY_CONTROL 0xD2 /* HDCP Key Memory Control */
+#define HDMI_COLOR_SPACE_CONV_CONFIG_1 0xD3 /* Color space conversion configuration.1 */
+#define HDMI_VIDEO_SETTING_3 0xD4 /* Video setting.3 */
+#define HDMI_RI_7_0 0xD5 /* Ri[7:0] */
+#define HDMI_RI_15_8 0xD6 /* Ri[15:8] */
+#define HDMI_PJ 0xD7 /* Pj */
+#define HDMI_SHA_RD 0xD8 /* sha_rd */
+#define HDMI_RI_7_0_SAVED 0xD9 /* Ri[7:0] saved */
+#define HDMI_RI_15_8_SAVED 0xDA /* Ri[15:8] saved */
+#define HDMI_PJ_SAVED 0xDB /* Pj saved */
+#define HDMI_NUM_OF_DEVICES 0xDC /* Number of devices */
+#define HDMI_HOT_PLUG_MSENS_STATUS 0xDF /* Hot plug/MSENS status */
+#define HDMI_BCAPS_WRITE 0xE0 /* bcaps */
+#define HDMI_BSTAT_7_0 0xE1 /* bstat[7:0] */
+#define HDMI_BSTAT_15_8 0xE2 /* bstat[15:8] */
+#define HDMI_BKSV_7_0 0xE3 /* bksv[7:0] */
+#define HDMI_BKSV_15_8 0xE4 /* bksv[15:8] */
+#define HDMI_BKSV_23_16 0xE5 /* bksv[23:16] */
+#define HDMI_BKSV_31_24 0xE6 /* bksv[31:24] */
+#define HDMI_BKSV_39_32 0xE7 /* bksv[39:32] */
+#define HDMI_AN_7_0 0xE8 /* An[7:0] */
+#define HDMI_AN_15_8 0xE9 /* An [15:8] */
+#define HDMI_AN_23_16 0xEA /* An [23:16] */
+#define HDMI_AN_31_24 0xEB /* An [31:24] */
+#define HDMI_AN_39_32 0xEC /* An [39:32] */
+#define HDMI_AN_47_40 0xED /* An [47:40] */
+#define HDMI_AN_55_48 0xEE /* An [55:48] */
+#define HDMI_AN_63_56 0xEF /* An [63:56] */
+#define HDMI_PRODUCT_ID 0xF0 /* Product ID */
+#define HDMI_REVISION_ID 0xF1 /* Revision ID */
+#define HDMI_TEST_MODE 0xFE /* Test mode */
+
+enum hotplug_state {
+ HDMI_HOTPLUG_DISCONNECTED,
+ HDMI_HOTPLUG_CONNECTED,
+ HDMI_HOTPLUG_EDID_DONE,
+};
+
+struct sh_hdmi {
+ void __iomem *base;
+ enum hotplug_state hp_state;
+ struct clk *hdmi_clk;
+ struct device *dev;
+ struct fb_info *info;
+ struct delayed_work edid_work;
+ struct fb_var_screeninfo var;
+};
+
+static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg)
+{
+ iowrite8(data, hdmi->base + reg);
+}
+
+static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg)
+{
+ return ioread8(hdmi->base + reg);
+}
+
+/* External video parameter settings */
+static void hdmi_external_video_param(struct sh_hdmi *hdmi)
+{
+ struct fb_var_screeninfo *var = &hdmi->var;
+ u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
+ u8 sync = 0;
+
+ htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len;
+
+ hdelay = var->hsync_len + var->left_margin;
+ hblank = var->right_margin + hdelay;
+
+ /*
+ * Vertical timing looks a bit different in Figure 18,
+ * but let's try the same first by setting offset = 0
+ */
+ vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len;
+
+ vdelay = var->vsync_len + var->upper_margin;
+ vblank = var->lower_margin + vdelay;
+ voffset = min(var->upper_margin / 2, 6U);
+
+ /*
+ * [3]: VSYNC polarity: Positive
+ * [2]: HSYNC polarity: Positive
+ * [1]: Interlace/Progressive: Progressive
+ * [0]: External video settings enable: used.
+ */
+ if (var->sync & FB_SYNC_HOR_HIGH_ACT)
+ sync |= 4;
+ if (var->sync & FB_SYNC_VERT_HIGH_ACT)
+ sync |= 8;
+
+ pr_debug("H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
+ htotal, hblank, hdelay, var->hsync_len,
+ vtotal, vblank, vdelay, var->vsync_len, sync);
+
+ hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
+
+ hdmi_write(hdmi, htotal, HDMI_EXTERNAL_H_TOTAL_7_0);
+ hdmi_write(hdmi, htotal >> 8, HDMI_EXTERNAL_H_TOTAL_11_8);
+
+ hdmi_write(hdmi, hblank, HDMI_EXTERNAL_H_BLANK_7_0);
+ hdmi_write(hdmi, hblank >> 8, HDMI_EXTERNAL_H_BLANK_9_8);
+
+ hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0);
+ hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8);
+
+ hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
+ hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
+
+ hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0);
+ hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8);
+
+ hdmi_write(hdmi, vblank, HDMI_EXTERNAL_V_BLANK);
+
+ hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY);
+
+ hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
+
+ /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for manual mode */
+}
+
+/**
+ * sh_hdmi_video_config()
+ */
+static void sh_hdmi_video_config(struct sh_hdmi *hdmi)
+{
+ /*
+ * [7:4]: Audio sampling frequency: 48kHz
+ * [3:1]: Input video format: RGB and YCbCr 4:4:4 (Y on Green)
+ * [0]: Internal/External DE select: internal
+ */
+ hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
+
+ /*
+ * [7:6]: Video output format: RGB 4:4:4
+ * [5:4]: Input video data width: 8 bit
+ * [3:1]: EAV/SAV location: channel 1
+ * [0]: Video input color space: RGB
+ */
+ hdmi_write(hdmi, 0x34, HDMI_VIDEO_SETTING_1);
+
+ /*
+ * [7:6]: Together with bit [6] of HDMI_AUDIO_VIDEO_SETTING_2, which is
+ * left at 0 by default, this configures 24bpp and sets the Color Depth
+ * (CD) field in the General Control Packet
+ */
+ hdmi_write(hdmi, 0x20, HDMI_DEEP_COLOR_MODES);
+}
+
+/**
+ * sh_hdmi_audio_config()
+ */
+static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
+{
+ /*
+ * [7:4] L/R data swap control
+ * [3:0] appropriate N[19:16]
+ */
+ hdmi_write(hdmi, 0x00, HDMI_L_R_DATA_SWAP_CTRL_RPKT);
+ /* appropriate N[15:8] */
+ hdmi_write(hdmi, 0x18, HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8);
+ /* appropriate N[7:0] */
+ hdmi_write(hdmi, 0x00, HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0);
+
+ /* [7:4] 48 kHz SPDIF not used */
+ hdmi_write(hdmi, 0x20, HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS);
+
+ /*
+ * [6:5] set required down sampling rate if required
+ * [4:3] set required audio source
+ */
+ hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1);
+
+ /* [3:0] set sending channel number for channel status */
+ hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
+
+ /*
+ * [5:2] set valid I2S source input pin
+ * [1:0] set input I2S source mode
+ */
+ hdmi_write(hdmi, 0x04, HDMI_I2S_AUDIO_SET);
+
+ /* [7:4] set valid DSD source input pin */
+ hdmi_write(hdmi, 0x00, HDMI_DSD_AUDIO_SET);
+
+ /* [7:0] set appropriate I2S input pin swap settings if required */
+ hdmi_write(hdmi, 0x00, HDMI_I2S_INPUT_PIN_SWAP);
+
+ /*
+ * [7] set validity bit for channel status
+ * [3:0] set original sample frequency for channel status
+ */
+ hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_1);
+
+ /*
+ * [7] set value for channel status
+ * [6] set value for channel status
+ * [5] set copyright bit for channel status
+ * [4:2] set additional information for channel status
+ * [1:0] set clock accuracy for channel status
+ */
+ hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_2);
+
+ /* [7:0] set category code for channel status */
+ hdmi_write(hdmi, 0x00, HDMI_CATEGORY_CODE);
+
+ /*
+ * [7:4] set source number for channel status
+ * [3:0] set word length for channel status
+ */
+ hdmi_write(hdmi, 0x00, HDMI_SOURCE_NUM_AUDIO_WORD_LEN);
+
+ /* [7:4] set sample frequency for channel status */
+ hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
+}
+
+/**
+ * sh_hdmi_phy_config()
+ */
+static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
+{
+ /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
+ hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+ /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */
+ hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+ hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+ hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+ hdmi_write(hdmi, 0x0E, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+ hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+ hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+}
+
+/**
+ * sh_hdmi_avi_infoframe_setup() - Auxiliary Video Information InfoFrame CONTROL PACKET
+ */
+static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
+{
+ /* AVI InfoFrame */
+ hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* Packet Type = 0x82 */
+ hdmi_write(hdmi, 0x82, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+
+ /* Version = 0x02 */
+ hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
+
+ /* Length = 13 (0x0D) */
+ hdmi_write(hdmi, 0x0D, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
+
+ /* N. A. Checksum */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0);
+
+ /*
+ * Y = RGB
+ * A0 = No Data
+ * B = Bar Data not valid
+ * S = No Data
+ */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
+
+ /*
+ * C = No Data
+ * M = 16:9 Picture Aspect Ratio
+ * R = Same as picture aspect ratio
+ */
+ hdmi_write(hdmi, 0x28, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
+
+ /*
+ * ITC = No Data
+ * EC = xvYCC601
+ * Q = Default (depends on video format)
+ * SC = No Known non_uniform Scaling
+ */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
+
+ /*
+ * VIC = 1280 x 720p: ignored if external config is used
+ * Send 2 for 720 x 480p, 16 for 1080p
+ */
+ hdmi_write(hdmi, 4, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
+
+ /* PR = No Repetition */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
+
+ /* Line Number of End of Top Bar (lower 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6);
+
+ /* Line Number of End of Top Bar (upper 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7);
+
+ /* Line Number of Start of Bottom Bar (lower 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8);
+
+ /* Line Number of Start of Bottom Bar (upper 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9);
+
+ /* Pixel Number of End of Left Bar (lower 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
+
+ /* Pixel Number of End of Left Bar (upper 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB11);
+
+ /* Pixel Number of Start of Right Bar (lower 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB12);
+
+ /* Pixel Number of Start of Right Bar (upper 8 bits) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB13);
+}
+
+/**
+ * sh_hdmi_audio_infoframe_setup() - Audio InfoFrame of CONTROL PACKET
+ */
+static void sh_hdmi_audio_infoframe_setup(struct sh_hdmi *hdmi)
+{
+ /* Audio InfoFrame */
+ hdmi_write(hdmi, 0x08, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* Packet Type = 0x84 */
+ hdmi_write(hdmi, 0x84, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+
+ /* Version Number = 0x01 */
+ hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
+
+ /* 0 Length = 10 (0x0A) */
+ hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
+
+ /* n. a. Checksum */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0);
+
+ /* Audio Channel Count = Refer to Stream Header */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
+
+ /* Refer to Stream Header */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
+
+ /* Format depends on coding type (i.e. CT0...CT3) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
+
+ /* Speaker Channel Allocation = Front Right + Front Left */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
+
+ /* Level Shift Value = 0 dB, Down - mix is permitted or no information */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
+
+ /* Reserved (0) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6);
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7);
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8);
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9);
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
+}
+
+/**
+ * sh_hdmi_gamut_metadata_setup() - Gamut Metadata Packet of CONTROL PACKET
+ */
+static void sh_hdmi_gamut_metadata_setup(struct sh_hdmi *hdmi)
+{
+ int i;
+
+ /* Gamut Metadata Packet */
+ hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* Packet Type = 0x0A */
+ hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+ /* Gamut Packet is not used, so default value */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
+ /* Gamut Packet is not used, so default value */
+ hdmi_write(hdmi, 0x10, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
+
+ /* GBD bytes 0 through 27 */
+ for (i = 0; i <= 27; i++)
+ /* HDMI_CTRL_PKT_BUF_ACCESS_PB0_63H - PB27_7EH */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
+}
+
+/**
+ * sh_hdmi_acp_setup() - Audio Content Protection Packet (ACP)
+ */
+static void sh_hdmi_acp_setup(struct sh_hdmi *hdmi)
+{
+ int i;
+
+ /* Audio Content Protection Packet (ACP) */
+ hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* Packet Type = 0x04 */
+ hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+ /* ACP_Type */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
+ /* Reserved (0) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
+
+ /* GBD bytes 0 through 27 */
+ for (i = 0; i <= 27; i++)
+ /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
+}
+
+/**
+ * sh_hdmi_isrc1_setup() - ISRC1 Packet
+ */
+static void sh_hdmi_isrc1_setup(struct sh_hdmi *hdmi)
+{
+ int i;
+
+ /* ISRC1 Packet */
+ hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* Packet Type = 0x05 */
+ hdmi_write(hdmi, 0x05, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+ /* ISRC_Cont, ISRC_Valid, Reserved (0), ISRC_Status */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
+ /* Reserved (0) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
+
+ /* PB0 UPC_EAN_ISRC_0-15 */
+ /* Bytes PB16-PB27 shall be set to a value of 0. */
+ for (i = 0; i <= 27; i++)
+ /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
+}
+
+/**
+ * sh_hdmi_isrc2_setup() - ISRC2 Packet
+ */
+static void sh_hdmi_isrc2_setup(struct sh_hdmi *hdmi)
+{
+ int i;
+
+ /* ISRC2 Packet */
+ hdmi_write(hdmi, 0x03, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* HB0 Packet Type = 0x06 */
+ hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+ /* Reserved (0) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
+ /* Reserved (0) */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
+
+ /* PB0 UPC_EAN_ISRC_16-31 */
+ /* Bytes PB16-PB27 shall be set to a value of 0. */
+ for (i = 0; i <= 27; i++)
+ /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
+ hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
+}
+
+/**
+ * sh_hdmi_configure() - Initialise HDMI for output
+ */
+static void sh_hdmi_configure(struct sh_hdmi *hdmi)
+{
+ /* Configure video format */
+ sh_hdmi_video_config(hdmi);
+
+ /* Configure audio format */
+ sh_hdmi_audio_config(hdmi);
+
+ /* Configure PHY */
+ sh_hdmi_phy_config(hdmi);
+
+ /* Auxiliary Video Information (AVI) InfoFrame */
+ sh_hdmi_avi_infoframe_setup(hdmi);
+
+ /* Audio InfoFrame */
+ sh_hdmi_audio_infoframe_setup(hdmi);
+
+ /* Gamut Metadata packet */
+ sh_hdmi_gamut_metadata_setup(hdmi);
+
+ /* Audio Content Protection (ACP) Packet */
+ sh_hdmi_acp_setup(hdmi);
+
+ /* ISRC1 Packet */
+ sh_hdmi_isrc1_setup(hdmi);
+
+ /* ISRC2 Packet */
+ sh_hdmi_isrc2_setup(hdmi);
+
+ /*
+ * Control packet auto send with VSYNC control: auto send
+ * General control, Gamut metadata, ISRC, and ACP packets
+ */
+ hdmi_write(hdmi, 0x8E, HDMI_CTRL_PKT_AUTO_SEND);
+
+ /* FIXME */
+ msleep(10);
+
+ /* PS mode b->d, reset PLLA and PLLB */
+ hdmi_write(hdmi, 0x4C, HDMI_SYSTEM_CTRL);
+
+ udelay(10);
+
+ hdmi_write(hdmi, 0x40, HDMI_SYSTEM_CTRL);
+}
+
+static void sh_hdmi_read_edid(struct sh_hdmi *hdmi)
+{
+ struct fb_var_screeninfo *var = &hdmi->var;
+ struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+ struct fb_videomode *lcd_cfg = &pdata->lcd_chan->lcd_cfg;
+ unsigned long height = var->height, width = var->width;
+ int i;
+ u8 edid[128];
+
+ /* Read EDID */
+ pr_debug("Read back EDID code:");
+ for (i = 0; i < 128; i++) {
+ edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW);
+#ifdef DEBUG
+ if ((i % 16) == 0) {
+ printk(KERN_CONT "\n");
+ printk(KERN_DEBUG "%02X | %02X", i, edid[i]);
+ } else {
+ printk(KERN_CONT " %02X", edid[i]);
+ }
+#endif
+ }
+#ifdef DEBUG
+ printk(KERN_CONT "\n");
+#endif
+ fb_parse_edid(edid, var);
+ pr_debug("%u-%u-%u-%u x %u-%u-%u-%u @ %lu kHz monitor detected\n",
+ var->left_margin, var->xres, var->right_margin, var->hsync_len,
+ var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
+ PICOS2KHZ(var->pixclock));
+
+ /* FIXME: Use user-provided configuration instead of EDID */
+ var->width = width;
+ var->xres = lcd_cfg->xres;
+ var->xres_virtual = lcd_cfg->xres;
+ var->left_margin = lcd_cfg->left_margin;
+ var->right_margin = lcd_cfg->right_margin;
+ var->hsync_len = lcd_cfg->hsync_len;
+ var->height = height;
+ var->yres = lcd_cfg->yres;
+ var->yres_virtual = lcd_cfg->yres * 2;
+ var->upper_margin = lcd_cfg->upper_margin;
+ var->lower_margin = lcd_cfg->lower_margin;
+ var->vsync_len = lcd_cfg->vsync_len;
+ var->sync = lcd_cfg->sync;
+ var->pixclock = lcd_cfg->pixclock;
+
+ hdmi_external_video_param(hdmi);
+}
+
+static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
+{
+ struct sh_hdmi *hdmi = dev_id;
+ u8 status1, status2, mask1, mask2;
+
+ /* mode_b and PLLA and PLLB reset */
+ hdmi_write(hdmi, 0x2C, HDMI_SYSTEM_CTRL);
+
+ /* How long shall reset be held? */
+ udelay(10);
+
+ /* mode_b and PLLA and PLLB reset release */
+ hdmi_write(hdmi, 0x20, HDMI_SYSTEM_CTRL);
+
+ status1 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_1);
+ status2 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_2);
+
+ mask1 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_1);
+ mask2 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_2);
+
+ /* Correct would be to ack only set bits, but the datasheet requires 0xff */
+ hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_1);
+ hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_2);
+
+ if (printk_ratelimit())
+ pr_debug("IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n",
+ irq, status1, mask1, status2, mask2);
+
+ if (!((status1 & mask1) | (status2 & mask2))) {
+ return IRQ_NONE;
+ } else if (status1 & 0xc0) {
+ u8 msens;
+
+ /* Datasheet specifies 10ms... */
+ udelay(500);
+
+ msens = hdmi_read(hdmi, HDMI_HOT_PLUG_MSENS_STATUS);
+ pr_debug("MSENS 0x%x\n", msens);
+ /* Check, if hot plug & MSENS pin status are both high */
+ if ((msens & 0xC0) == 0xC0) {
+ /* Display plug in */
+ hdmi->hp_state = HDMI_HOTPLUG_CONNECTED;
+
+ /* Set EDID word address */
+ hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
+ /* Set EDID segment pointer */
+ hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
+ /* Enable EDID interrupt */
+ hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
+ } else if (!(status1 & 0x80)) {
+ /* Display unplug, beware multiple interrupts */
+ if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED)
+ schedule_delayed_work(&hdmi->edid_work, 0);
+
+ hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
+ /* display_off will switch back to mode_a */
+ }
+ } else if (status1 & 2) {
+ /* EDID error interrupt: retry */
+ /* Set EDID word address */
+ hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
+ /* Set EDID segment pointer */
+ hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
+ } else if (status1 & 4) {
+ /* Disable EDID interrupt */
+ hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1);
+ hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
+ schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10));
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void hdmi_display_on(void *arg, struct fb_info *info)
+{
+ struct sh_hdmi *hdmi = arg;
+ struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
+ if (info->var.xres != 1280 || info->var.yres != 720) {
+ dev_warn(info->device, "Unsupported framebuffer geometry %ux%u\n",
+ info->var.xres, info->var.yres);
+ return;
+ }
+
+ pr_debug("%s(%p): state %x\n", __func__, pdata->lcd_dev, info->state);
+ /*
+ * FIXME: not a good place to store fb_info. And we cannot nullify it
+ * even on monitor disconnect. What should the lifecycle be?
+ */
+ hdmi->info = info;
+ switch (hdmi->hp_state) {
+ case HDMI_HOTPLUG_EDID_DONE:
+ /* PS mode d->e. All functions are active */
+ hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL);
+ pr_debug("HDMI running\n");
+ break;
+ case HDMI_HOTPLUG_DISCONNECTED:
+ info->state = FBINFO_STATE_SUSPENDED;
+ default:
+ hdmi->var = info->var;
+ }
+}
+
+static void hdmi_display_off(void *arg)
+{
+ struct sh_hdmi *hdmi = arg;
+ struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
+ pr_debug("%s(%p)\n", __func__, pdata->lcd_dev);
+ /* PS mode e->a */
+ hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL);
+}
+
+/* Hotplug interrupt occurred, read EDID */
+static void edid_work_fn(struct work_struct *work)
+{
+ struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work);
+ struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
+ pr_debug("%s(%p): begin, hotplug status %d\n", __func__,
+ pdata->lcd_dev, hdmi->hp_state);
+
+ if (!pdata->lcd_dev)
+ return;
+
+ if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
+ pm_runtime_get_sync(hdmi->dev);
+ /* A device has been plugged in */
+ sh_hdmi_read_edid(hdmi);
+ msleep(10);
+ sh_hdmi_configure(hdmi);
+ /* Switched to another (d) power-save mode */
+ msleep(10);
+
+ if (!hdmi->info)
+ return;
+
+ acquire_console_sem();
+
+ /* HDMI plug in */
+ hdmi->info->var = hdmi->var;
+ if (hdmi->info->state != FBINFO_STATE_RUNNING)
+ fb_set_suspend(hdmi->info, 0);
+ else
+ hdmi_display_on(hdmi, hdmi->info);
+
+ release_console_sem();
+ } else {
+ if (!hdmi->info)
+ return;
+
+ acquire_console_sem();
+
+ /* HDMI disconnect */
+ fb_set_suspend(hdmi->info, 1);
+
+ release_console_sem();
+ pm_runtime_put(hdmi->dev);
+ }
+
+ pr_debug("%s(%p): end\n", __func__, pdata->lcd_dev);
+}
+
+static int __init sh_hdmi_probe(struct platform_device *pdev)
+{
+ struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ int irq = platform_get_irq(pdev, 0), ret;
+ struct sh_hdmi *hdmi;
+ long rate;
+
+ if (!res || !pdata || irq < 0)
+ return -ENODEV;
+
+ hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
+ if (!hdmi) {
+ dev_err(&pdev->dev, "Cannot allocate device data\n");
+ return -ENOMEM;
+ }
+
+ hdmi->dev = &pdev->dev;
+
+ hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
+ if (IS_ERR(hdmi->hdmi_clk)) {
+ ret = PTR_ERR(hdmi->hdmi_clk);
+ dev_err(&pdev->dev, "Unable to get clock: %d\n", ret);
+ goto egetclk;
+ }
+
+ rate = PICOS2KHZ(pdata->lcd_chan->lcd_cfg.pixclock) * 1000;
+
+ rate = clk_round_rate(hdmi->hdmi_clk, rate);
+ if (rate < 0) {
+ ret = rate;
+ dev_err(&pdev->dev, "Cannot get suitable rate: %ld\n", rate);
+ goto erate;
+ }
+
+ ret = clk_set_rate(hdmi->hdmi_clk, rate);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Cannot set rate %ld: %d\n", rate, ret);
+ goto erate;
+ }
+
+ pr_debug("HDMI set frequency %lu\n", rate);
+
+ ret = clk_enable(hdmi->hdmi_clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Cannot enable clock: %d\n", ret);
+ goto eclkenable;
+ }
+
+ dev_info(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
+
+ if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
+ dev_err(&pdev->dev, "HDMI register region already claimed\n");
+ ret = -EBUSY;
+ goto ereqreg;
+ }
+
+ hdmi->base = ioremap(res->start, resource_size(res));
+ if (!hdmi->base) {
+ dev_err(&pdev->dev, "HDMI register region already claimed\n");
+ ret = -ENOMEM;
+ goto emap;
+ }
+
+ platform_set_drvdata(pdev, hdmi);
+
+#if 1
+ /* Product and revision IDs are 0 in sh-mobile version */
+ dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
+ hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
+#endif
+
+ /* Set up LCDC callbacks */
+ pdata->lcd_chan->board_cfg.board_data = hdmi;
+ pdata->lcd_chan->board_cfg.display_on = hdmi_display_on;
+ pdata->lcd_chan->board_cfg.display_off = hdmi_display_off;
+
+ INIT_DELAYED_WORK(&hdmi->edid_work, edid_work_fn);
+
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_resume(&pdev->dev);
+
+ ret = request_irq(irq, sh_hdmi_hotplug, 0,
+ dev_name(&pdev->dev), hdmi);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Unable to request irq: %d\n", ret);
+ goto ereqirq;
+ }
+
+ return 0;
+
+ereqirq:
+ pm_runtime_disable(&pdev->dev);
+ iounmap(hdmi->base);
+emap:
+ release_mem_region(res->start, resource_size(res));
+ereqreg:
+ clk_disable(hdmi->hdmi_clk);
+eclkenable:
+erate:
+ clk_put(hdmi->hdmi_clk);
+egetclk:
+ kfree(hdmi);
+
+ return ret;
+}
+
+static int __exit sh_hdmi_remove(struct platform_device *pdev)
+{
+ struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
+ struct sh_hdmi *hdmi = platform_get_drvdata(pdev);
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ int irq = platform_get_irq(pdev, 0);
+
+ pdata->lcd_chan->board_cfg.display_on = NULL;
+ pdata->lcd_chan->board_cfg.display_off = NULL;
+ pdata->lcd_chan->board_cfg.board_data = NULL;
+
+ free_irq(irq, hdmi);
+ pm_runtime_disable(&pdev->dev);
+ cancel_delayed_work_sync(&hdmi->edid_work);
+ clk_disable(hdmi->hdmi_clk);
+ clk_put(hdmi->hdmi_clk);
+ iounmap(hdmi->base);
+ release_mem_region(res->start, resource_size(res));
+ kfree(hdmi);
+
+ return 0;
+}
+
+static struct platform_driver sh_hdmi_driver = {
+ .remove = __exit_p(sh_hdmi_remove),
+ .driver = {
+ .name = "sh-mobile-hdmi",
+ },
+};
+
+static int __init sh_hdmi_init(void)
+{
+ return platform_driver_probe(&sh_hdmi_driver, sh_hdmi_probe);
+}
+module_init(sh_hdmi_init);
+
+static void __exit sh_hdmi_exit(void)
+{
+ platform_driver_unregister(&sh_hdmi_driver);
+}
+module_exit(sh_hdmi_exit);
+
+MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
+MODULE_DESCRIPTION("SuperH / ARM-shmobile HDMI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 12c451a711e9..d72075a9f01c 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -56,6 +56,7 @@ static int lcdc_shared_regs[] = {
/* per-channel registers */
enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
+ LDHAJR,
NR_CH_REGS };
static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
@@ -74,6 +75,7 @@ static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
[LDVLNR] = 0x450,
[LDVSYNR] = 0x454,
[LDPMR] = 0x460,
+ [LDHAJR] = 0x4a0,
};
static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = {
@@ -137,6 +139,7 @@ struct sh_mobile_lcdc_priv {
struct clk *dot_clk;
unsigned long lddckr;
struct sh_mobile_lcdc_chan ch[2];
+ struct notifier_block notifier;
unsigned long saved_shared_regs[NR_SHARED_REGS];
int started;
};
@@ -404,6 +407,56 @@ static void sh_mobile_lcdc_start_stop(struct sh_mobile_lcdc_priv *priv,
lcdc_write(priv, _LDDCKSTPR, 1); /* stop dotclock */
}
+static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
+{
+ struct fb_var_screeninfo *var = &ch->info->var;
+ unsigned long h_total, hsync_pos;
+ u32 tmp;
+
+ tmp = ch->ldmt1r_value;
+ tmp |= (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
+ tmp |= (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
+ lcdc_write_chan(ch, LDMT1R, tmp);
+
+ /* setup SYS bus */
+ lcdc_write_chan(ch, LDMT2R, ch->cfg.sys_bus_cfg.ldmt2r);
+ lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r);
+
+ /* horizontal configuration */
+ h_total = var->xres + var->hsync_len +
+ var->left_margin + var->right_margin;
+ tmp = h_total / 8; /* HTCN */
+ tmp |= (var->xres / 8) << 16; /* HDCN */
+ lcdc_write_chan(ch, LDHCNR, tmp);
+
+ hsync_pos = var->xres + var->right_margin;
+ tmp = hsync_pos / 8; /* HSYNP */
+ tmp |= (var->hsync_len / 8) << 16; /* HSYNW */
+ lcdc_write_chan(ch, LDHSYNR, tmp);
+
+ /* vertical configuration */
+ tmp = var->yres + var->vsync_len +
+ var->upper_margin + var->lower_margin; /* VTLN */
+ tmp |= var->yres << 16; /* VDLN */
+ lcdc_write_chan(ch, LDVLNR, tmp);
+
+ tmp = var->yres + var->lower_margin; /* VSYNP */
+ tmp |= var->vsync_len << 16; /* VSYNW */
+ lcdc_write_chan(ch, LDVSYNR, tmp);
+
+ /* Adjust horizontal synchronisation for HDMI */
+ tmp = ((var->xres & 7) << 24) |
+ ((h_total & 7) << 16) |
+ ((var->hsync_len & 7) << 8) |
+ hsync_pos;
+ lcdc_write_chan(ch, LDHAJR, tmp);
+}
+
static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
{
struct sh_mobile_lcdc_chan *ch;
@@ -470,49 +523,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
if (!ch->enabled)
continue;
- tmp = ch->ldmt1r_value;
- tmp |= (lcd_cfg->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
- tmp |= (lcd_cfg->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
- lcdc_write_chan(ch, LDMT1R, tmp);
-
- /* setup SYS bus */
- lcdc_write_chan(ch, LDMT2R, ch->cfg.sys_bus_cfg.ldmt2r);
- lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r);
-
- /* horizontal configuration */
- tmp = lcd_cfg->xres + lcd_cfg->hsync_len;
- tmp += lcd_cfg->left_margin;
- tmp += lcd_cfg->right_margin;
- tmp /= 8; /* HTCN */
- tmp |= (lcd_cfg->xres / 8) << 16; /* HDCN */
- lcdc_write_chan(ch, LDHCNR, tmp);
-
- tmp = lcd_cfg->xres;
- tmp += lcd_cfg->right_margin;
- tmp /= 8; /* HSYNP */
- tmp |= (lcd_cfg->hsync_len / 8) << 16; /* HSYNW */
- lcdc_write_chan(ch, LDHSYNR, tmp);
+ sh_mobile_lcdc_geometry(ch);
/* power supply */
lcdc_write_chan(ch, LDPMR, 0);
- /* vertical configuration */
- tmp = lcd_cfg->yres + lcd_cfg->vsync_len;
- tmp += lcd_cfg->upper_margin;
- tmp += lcd_cfg->lower_margin; /* VTLN */
- tmp |= lcd_cfg->yres << 16; /* VDLN */
- lcdc_write_chan(ch, LDVLNR, tmp);
-
- tmp = lcd_cfg->yres;
- tmp += lcd_cfg->lower_margin; /* VSYNP */
- tmp |= lcd_cfg->vsync_len << 16; /* VSYNW */
- lcdc_write_chan(ch, LDVSYNR, tmp);
-
board_cfg = &ch->cfg.board_cfg;
if (board_cfg->setup_sys)
ret = board_cfg->setup_sys(board_cfg->board_data, ch,
@@ -577,7 +592,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
board_cfg = &ch->cfg.board_cfg;
if (board_cfg->display_on)
- board_cfg->display_on(board_cfg->board_data);
+ board_cfg->display_on(board_cfg->board_data, ch->info);
}
return 0;
@@ -943,6 +958,62 @@ static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = {
.runtime_resume = sh_mobile_lcdc_runtime_resume,
};
+static int sh_mobile_lcdc_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct fb_event *event = data;
+ struct fb_info *info = event->info;
+ struct sh_mobile_lcdc_chan *ch = info->par;
+ struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
+ struct fb_var_screeninfo *var;
+
+ if (&ch->lcdc->notifier != nb)
+ return 0;
+
+ dev_dbg(info->dev, "%s(): action = %lu, data = %p\n",
+ __func__, action, event->data);
+
+ switch(action) {
+ case FB_EVENT_SUSPEND:
+ if (board_cfg->display_off)
+ board_cfg->display_off(board_cfg->board_data);
+ pm_runtime_put(info->device);
+ break;
+ case FB_EVENT_RESUME:
+ var = &info->var;
+
+ /* HDMI must be enabled before LCDC configuration */
+ if (board_cfg->display_on)
+ board_cfg->display_on(board_cfg->board_data, ch->info);
+
+ /* Check if the new display is not in our modelist */
+ if (ch->info->modelist.next &&
+ !fb_match_mode(var, &ch->info->modelist)) {
+ struct fb_videomode mode;
+ int ret;
+
+ /* Can we handle this display? */
+ if (var->xres > ch->cfg.lcd_cfg.xres ||
+ var->yres > ch->cfg.lcd_cfg.yres)
+ return -ENOMEM;
+
+ /* Add to the modelist */
+ fb_var_to_videomode(&mode, var);
+ ret = fb_add_videomode(&mode, &ch->info->modelist);
+ if (ret < 0)
+ return ret;
+ }
+
+ pm_runtime_get_sync(info->device);
+
+ sh_mobile_lcdc_geometry(ch);
+
+ break;
+ }
+
+ return 0;
+}
+
static int sh_mobile_lcdc_remove(struct platform_device *pdev);
static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
@@ -1020,15 +1091,19 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
goto err1;
}
+ priv->base = ioremap_nocache(res->start, resource_size(res));
+ if (!priv->base)
+ goto err1;
+
error = sh_mobile_lcdc_setup_clocks(pdev, pdata->clock_source, priv);
if (error) {
dev_err(&pdev->dev, "unable to setup clocks\n");
goto err1;
}
- priv->base = ioremap_nocache(res->start, (res->end - res->start) + 1);
-
for (i = 0; i < j; i++) {
+ struct fb_var_screeninfo *var;
+ struct fb_videomode *lcd_cfg;
cfg = &priv->ch[i].cfg;
priv->ch[i].info = framebuffer_alloc(0, &pdev->dev);
@@ -1039,22 +1114,33 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
}
info = priv->ch[i].info;
+ var = &info->var;
+ lcd_cfg = &cfg->lcd_cfg;
info->fbops = &sh_mobile_lcdc_ops;
- info->var.xres = info->var.xres_virtual = cfg->lcd_cfg.xres;
- info->var.yres = cfg->lcd_cfg.yres;
+ var->xres = var->xres_virtual = lcd_cfg->xres;
+ var->yres = lcd_cfg->yres;
/* Default Y virtual resolution is 2x panel size */
- info->var.yres_virtual = info->var.yres * 2;
- info->var.width = cfg->lcd_size_cfg.width;
- info->var.height = cfg->lcd_size_cfg.height;
- info->var.activate = FB_ACTIVATE_NOW;
- error = sh_mobile_lcdc_set_bpp(&info->var, cfg->bpp);
+ var->yres_virtual = var->yres * 2;
+ var->width = cfg->lcd_size_cfg.width;
+ var->height = cfg->lcd_size_cfg.height;
+ var->activate = FB_ACTIVATE_NOW;
+ var->left_margin = lcd_cfg->left_margin;
+ var->right_margin = lcd_cfg->right_margin;
+ var->upper_margin = lcd_cfg->upper_margin;
+ var->lower_margin = lcd_cfg->lower_margin;
+ var->hsync_len = lcd_cfg->hsync_len;
+ var->vsync_len = lcd_cfg->vsync_len;
+ var->sync = lcd_cfg->sync;
+ var->pixclock = lcd_cfg->pixclock;
+
+ error = sh_mobile_lcdc_set_bpp(var, cfg->bpp);
if (error)
break;
info->fix = sh_mobile_lcdc_fix;
- info->fix.line_length = cfg->lcd_cfg.xres * (cfg->bpp / 8);
+ info->fix.line_length = lcd_cfg->xres * (cfg->bpp / 8);
info->fix.smem_len = info->fix.line_length *
- info->var.yres_virtual;
+ var->yres_virtual;
buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len,
&priv->ch[i].dma_handle, GFP_KERNEL);
@@ -1119,10 +1205,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
ch->cfg.bpp);
/* deferred io mode: disable clock to save power */
- if (info->fbdefio)
+ if (info->fbdefio || info->state == FBINFO_STATE_SUSPENDED)
sh_mobile_lcdc_clk_off(priv);
}
+ /* Failure ignored */
+ priv->notifier.notifier_call = sh_mobile_lcdc_notify;
+ fb_register_client(&priv->notifier);
+
return 0;
err1:
sh_mobile_lcdc_remove(pdev);
@@ -1136,6 +1226,8 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
struct fb_info *info;
int i;
+ fb_unregister_client(&priv->notifier);
+
for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
if (priv->ch[i].info && priv->ch[i].info->dev)
unregister_framebuffer(priv->ch[i].info);
diff --git a/drivers/video/sunxvr1000.c b/drivers/video/sunxvr1000.c
index 489b44e8db81..5dbe06af2226 100644
--- a/drivers/video/sunxvr1000.c
+++ b/drivers/video/sunxvr1000.c
@@ -111,7 +111,7 @@ static int __devinit gfb_set_fbinfo(struct gfb_info *gp)
return 0;
}
-static int __devinit gfb_probe(struct of_device *op,
+static int __devinit gfb_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
@@ -172,7 +172,7 @@ err_out:
return err;
}
-static int __devexit gfb_remove(struct of_device *op)
+static int __devexit gfb_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct gfb_info *gp = info->par;
@@ -213,12 +213,12 @@ static int __init gfb_init(void)
if (fb_get_options("gfb", NULL))
return -ENODEV;
- return of_register_driver(&gfb_driver, &of_bus_type);
+ return of_register_platform_driver(&gfb_driver);
}
static void __exit gfb_exit(void)
{
- of_unregister_driver(&gfb_driver);
+ of_unregister_platform_driver(&gfb_driver);
}
module_init(gfb_init);
diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c
index cc039b33d2d8..77ad27955cf0 100644
--- a/drivers/video/tcx.c
+++ b/drivers/video/tcx.c
@@ -342,7 +342,7 @@ tcx_init_fix(struct fb_info *info, int linebytes)
info->fix.accel = FB_ACCEL_SUN_TCX;
}
-static void tcx_unmap_regs(struct of_device *op, struct fb_info *info,
+static void tcx_unmap_regs(struct platform_device *op, struct fb_info *info,
struct tcx_par *par)
{
if (par->tec)
@@ -362,7 +362,7 @@ static void tcx_unmap_regs(struct of_device *op, struct fb_info *info,
info->screen_base, info->fix.smem_len);
}
-static int __devinit tcx_probe(struct of_device *op,
+static int __devinit tcx_probe(struct platform_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->dev.of_node;
@@ -486,7 +486,7 @@ out_err:
return err;
}
-static int __devexit tcx_remove(struct of_device *op)
+static int __devexit tcx_remove(struct platform_device *op)
{
struct fb_info *info = dev_get_drvdata(&op->dev);
struct tcx_par *par = info->par;
@@ -526,12 +526,12 @@ static int __init tcx_init(void)
if (fb_get_options("tcxfb", NULL))
return -ENODEV;
- return of_register_driver(&tcx_driver, &of_bus_type);
+ return of_register_platform_driver(&tcx_driver);
}
static void __exit tcx_exit(void)
{
- of_unregister_driver(&tcx_driver);
+ of_unregister_platform_driver(&tcx_driver);
}
module_init(tcx_init);
diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c
index 980548390048..3ee5e63cfa4f 100644
--- a/drivers/video/tdfxfb.c
+++ b/drivers/video/tdfxfb.c
@@ -1571,8 +1571,8 @@ out_err_iobase:
if (default_par->mtrr_handle >= 0)
mtrr_del(default_par->mtrr_handle, info->fix.smem_start,
info->fix.smem_len);
- release_mem_region(pci_resource_start(pdev, 2),
- pci_resource_len(pdev, 2));
+ release_region(pci_resource_start(pdev, 2),
+ pci_resource_len(pdev, 2));
out_err_screenbase:
if (info->screen_base)
iounmap(info->screen_base);
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index 1b3b1c718e80..aba7686b1a32 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -305,7 +305,7 @@ tgafb_set_par(struct fb_info *info)
TGA_WRITE_REG(par, htimings, TGA_HORIZ_REG);
TGA_WRITE_REG(par, vtimings, TGA_VERT_REG);
- /* Initalise RAMDAC. */
+ /* Initialise RAMDAC. */
if (tga_type == TGA_TYPE_8PLANE && tga_bus_pci) {
/* Init BT485 RAMDAC registers. */
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index 7b8839ebf3c4..52ec0959d462 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -1977,8 +1977,7 @@ static void __devexit uvesafb_exit(void)
module_exit(uvesafb_exit);
-#define param_get_scroll NULL
-static int param_set_scroll(const char *val, struct kernel_param *kp)
+static int param_set_scroll(const char *val, const struct kernel_param *kp)
{
ypan = 0;
@@ -1993,7 +1992,9 @@ static int param_set_scroll(const char *val, struct kernel_param *kp)
return 0;
}
-
+static struct kernel_param_ops param_ops_scroll = {
+ .set = param_set_scroll,
+};
#define param_check_scroll(name, p) __param_check(name, p, void)
module_param_named(scroll, ypan, scroll, 0);
diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h
index d9b6e06e0700..ef1f3de2e052 100644
--- a/drivers/video/via/chip.h
+++ b/drivers/video/via/chip.h
@@ -160,7 +160,6 @@ struct lvds_setting_information {
int v_active;
int bpp;
int refresh_rate;
- int get_lcd_size_method;
int lcd_panel_id;
int lcd_panel_hres;
int lcd_panel_vres;
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index b996803ae2c1..7dcb4d5bb9c3 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -23,143 +23,341 @@
#include "global.h"
static struct pll_map pll_value[] = {
- {CLK_25_175M, CLE266_PLL_25_175M, K800_PLL_25_175M,
- CX700_25_175M, VX855_25_175M},
- {CLK_29_581M, CLE266_PLL_29_581M, K800_PLL_29_581M,
- CX700_29_581M, VX855_29_581M},
- {CLK_26_880M, CLE266_PLL_26_880M, K800_PLL_26_880M,
- CX700_26_880M, VX855_26_880M},
- {CLK_31_490M, CLE266_PLL_31_490M, K800_PLL_31_490M,
- CX700_31_490M, VX855_31_490M},
- {CLK_31_500M, CLE266_PLL_31_500M, K800_PLL_31_500M,
- CX700_31_500M, VX855_31_500M},
- {CLK_31_728M, CLE266_PLL_31_728M, K800_PLL_31_728M,
- CX700_31_728M, VX855_31_728M},
- {CLK_32_668M, CLE266_PLL_32_668M, K800_PLL_32_668M,
- CX700_32_668M, VX855_32_668M},
- {CLK_36_000M, CLE266_PLL_36_000M, K800_PLL_36_000M,
- CX700_36_000M, VX855_36_000M},
- {CLK_40_000M, CLE266_PLL_40_000M, K800_PLL_40_000M,
- CX700_40_000M, VX855_40_000M},
- {CLK_41_291M, CLE266_PLL_41_291M, K800_PLL_41_291M,
- CX700_41_291M, VX855_41_291M},
- {CLK_43_163M, CLE266_PLL_43_163M, K800_PLL_43_163M,
- CX700_43_163M, VX855_43_163M},
- {CLK_45_250M, CLE266_PLL_45_250M, K800_PLL_45_250M,
- CX700_45_250M, VX855_45_250M},
- {CLK_46_000M, CLE266_PLL_46_000M, K800_PLL_46_000M,
- CX700_46_000M, VX855_46_000M},
- {CLK_46_996M, CLE266_PLL_46_996M, K800_PLL_46_996M,
- CX700_46_996M, VX855_46_996M},
- {CLK_48_000M, CLE266_PLL_48_000M, K800_PLL_48_000M,
- CX700_48_000M, VX855_48_000M},
- {CLK_48_875M, CLE266_PLL_48_875M, K800_PLL_48_875M,
- CX700_48_875M, VX855_48_875M},
- {CLK_49_500M, CLE266_PLL_49_500M, K800_PLL_49_500M,
- CX700_49_500M, VX855_49_500M},
- {CLK_52_406M, CLE266_PLL_52_406M, K800_PLL_52_406M,
- CX700_52_406M, VX855_52_406M},
- {CLK_52_977M, CLE266_PLL_52_977M, K800_PLL_52_977M,
- CX700_52_977M, VX855_52_977M},
- {CLK_56_250M, CLE266_PLL_56_250M, K800_PLL_56_250M,
- CX700_56_250M, VX855_56_250M},
- {CLK_57_275M, 0, 0, 0, VX855_57_275M},
- {CLK_60_466M, CLE266_PLL_60_466M, K800_PLL_60_466M,
- CX700_60_466M, VX855_60_466M},
- {CLK_61_500M, CLE266_PLL_61_500M, K800_PLL_61_500M,
- CX700_61_500M, VX855_61_500M},
- {CLK_65_000M, CLE266_PLL_65_000M, K800_PLL_65_000M,
- CX700_65_000M, VX855_65_000M},
- {CLK_65_178M, CLE266_PLL_65_178M, K800_PLL_65_178M,
- CX700_65_178M, VX855_65_178M},
- {CLK_66_750M, CLE266_PLL_66_750M, K800_PLL_66_750M,
- CX700_66_750M, VX855_66_750M},
- {CLK_68_179M, CLE266_PLL_68_179M, K800_PLL_68_179M,
- CX700_68_179M, VX855_68_179M},
- {CLK_69_924M, CLE266_PLL_69_924M, K800_PLL_69_924M,
- CX700_69_924M, VX855_69_924M},
- {CLK_70_159M, CLE266_PLL_70_159M, K800_PLL_70_159M,
- CX700_70_159M, VX855_70_159M},
- {CLK_72_000M, CLE266_PLL_72_000M, K800_PLL_72_000M,
- CX700_72_000M, VX855_72_000M},
- {CLK_78_750M, CLE266_PLL_78_750M, K800_PLL_78_750M,
- CX700_78_750M, VX855_78_750M},
- {CLK_80_136M, CLE266_PLL_80_136M, K800_PLL_80_136M,
- CX700_80_136M, VX855_80_136M},
- {CLK_83_375M, CLE266_PLL_83_375M, K800_PLL_83_375M,
- CX700_83_375M, VX855_83_375M},
- {CLK_83_950M, CLE266_PLL_83_950M, K800_PLL_83_950M,
- CX700_83_950M, VX855_83_950M},
- {CLK_84_750M, CLE266_PLL_84_750M, K800_PLL_84_750M,
- CX700_84_750M, VX855_84_750M},
- {CLK_85_860M, CLE266_PLL_85_860M, K800_PLL_85_860M,
- CX700_85_860M, VX855_85_860M},
- {CLK_88_750M, CLE266_PLL_88_750M, K800_PLL_88_750M,
- CX700_88_750M, VX855_88_750M},
- {CLK_94_500M, CLE266_PLL_94_500M, K800_PLL_94_500M,
- CX700_94_500M, VX855_94_500M},
- {CLK_97_750M, CLE266_PLL_97_750M, K800_PLL_97_750M,
- CX700_97_750M, VX855_97_750M},
- {CLK_101_000M, CLE266_PLL_101_000M, K800_PLL_101_000M,
- CX700_101_000M, VX855_101_000M},
- {CLK_106_500M, CLE266_PLL_106_500M, K800_PLL_106_500M,
- CX700_106_500M, VX855_106_500M},
- {CLK_108_000M, CLE266_PLL_108_000M, K800_PLL_108_000M,
- CX700_108_000M, VX855_108_000M},
- {CLK_113_309M, CLE266_PLL_113_309M, K800_PLL_113_309M,
- CX700_113_309M, VX855_113_309M},
- {CLK_118_840M, CLE266_PLL_118_840M, K800_PLL_118_840M,
- CX700_118_840M, VX855_118_840M},
- {CLK_119_000M, CLE266_PLL_119_000M, K800_PLL_119_000M,
- CX700_119_000M, VX855_119_000M},
- {CLK_121_750M, CLE266_PLL_121_750M, K800_PLL_121_750M,
- CX700_121_750M, 0},
- {CLK_125_104M, CLE266_PLL_125_104M, K800_PLL_125_104M,
- CX700_125_104M, 0},
- {CLK_133_308M, CLE266_PLL_133_308M, K800_PLL_133_308M,
- CX700_133_308M, 0},
- {CLK_135_000M, CLE266_PLL_135_000M, K800_PLL_135_000M,
- CX700_135_000M, VX855_135_000M},
- {CLK_136_700M, CLE266_PLL_136_700M, K800_PLL_136_700M,
- CX700_136_700M, VX855_136_700M},
- {CLK_138_400M, CLE266_PLL_138_400M, K800_PLL_138_400M,
- CX700_138_400M, VX855_138_400M},
- {CLK_146_760M, CLE266_PLL_146_760M, K800_PLL_146_760M,
- CX700_146_760M, VX855_146_760M},
- {CLK_153_920M, CLE266_PLL_153_920M, K800_PLL_153_920M,
- CX700_153_920M, VX855_153_920M},
- {CLK_156_000M, CLE266_PLL_156_000M, K800_PLL_156_000M,
- CX700_156_000M, VX855_156_000M},
- {CLK_157_500M, CLE266_PLL_157_500M, K800_PLL_157_500M,
- CX700_157_500M, VX855_157_500M},
- {CLK_162_000M, CLE266_PLL_162_000M, K800_PLL_162_000M,
- CX700_162_000M, VX855_162_000M},
- {CLK_187_000M, CLE266_PLL_187_000M, K800_PLL_187_000M,
- CX700_187_000M, VX855_187_000M},
- {CLK_193_295M, CLE266_PLL_193_295M, K800_PLL_193_295M,
- CX700_193_295M, VX855_193_295M},
- {CLK_202_500M, CLE266_PLL_202_500M, K800_PLL_202_500M,
- CX700_202_500M, VX855_202_500M},
- {CLK_204_000M, CLE266_PLL_204_000M, K800_PLL_204_000M,
- CX700_204_000M, VX855_204_000M},
- {CLK_218_500M, CLE266_PLL_218_500M, K800_PLL_218_500M,
- CX700_218_500M, VX855_218_500M},
- {CLK_234_000M, CLE266_PLL_234_000M, K800_PLL_234_000M,
- CX700_234_000M, VX855_234_000M},
- {CLK_267_250M, CLE266_PLL_267_250M, K800_PLL_267_250M,
- CX700_267_250M, VX855_267_250M},
- {CLK_297_500M, CLE266_PLL_297_500M, K800_PLL_297_500M,
- CX700_297_500M, VX855_297_500M},
- {CLK_74_481M, CLE266_PLL_74_481M, K800_PLL_74_481M,
- CX700_74_481M, VX855_74_481M},
- {CLK_172_798M, CLE266_PLL_172_798M, K800_PLL_172_798M,
- CX700_172_798M, VX855_172_798M},
- {CLK_122_614M, CLE266_PLL_122_614M, K800_PLL_122_614M,
- CX700_122_614M, VX855_122_614M},
- {CLK_74_270M, CLE266_PLL_74_270M, K800_PLL_74_270M,
- CX700_74_270M, 0},
- {CLK_148_500M, CLE266_PLL_148_500M, K800_PLL_148_500M,
- CX700_148_500M, VX855_148_500M}
+ {25175000,
+ {99, 7, 3},
+ {85, 3, 4}, /* ignoring bit difference: 0x00008000 */
+ {141, 5, 4},
+ {141, 5, 4} },
+ {29581000,
+ {33, 4, 2},
+ {66, 2, 4}, /* ignoring bit difference: 0x00808000 */
+ {166, 5, 4}, /* ignoring bit difference: 0x00008000 */
+ {165, 5, 4} },
+ {26880000,
+ {15, 4, 1},
+ {30, 2, 3}, /* ignoring bit difference: 0x00808000 */
+ {150, 5, 4},
+ {150, 5, 4} },
+ {31500000,
+ {53, 3, 3}, /* ignoring bit difference: 0x00008000 */
+ {141, 4, 4}, /* ignoring bit difference: 0x00008000 */
+ {176, 5, 4},
+ {176, 5, 4} },
+ {31728000,
+ {31, 7, 1},
+ {177, 5, 4}, /* ignoring bit difference: 0x00008000 */
+ {177, 5, 4},
+ {142, 4, 4} },
+ {32688000,
+ {73, 4, 3},
+ {146, 4, 4}, /* ignoring bit difference: 0x00008000 */
+ {183, 5, 4},
+ {146, 4, 4} },
+ {36000000,
+ {101, 5, 3}, /* ignoring bit difference: 0x00008000 */
+ {161, 4, 4}, /* ignoring bit difference: 0x00008000 */
+ {202, 5, 4},
+ {161, 4, 4} },
+ {40000000,
+ {89, 4, 3},
+ {89, 4, 3}, /* ignoring bit difference: 0x00008000 */
+ {112, 5, 3},
+ {112, 5, 3} },
+ {41291000,
+ {23, 4, 1},
+ {69, 3, 3}, /* ignoring bit difference: 0x00008000 */
+ {115, 5, 3},
+ {115, 5, 3} },
+ {43163000,
+ {121, 5, 3},
+ {121, 5, 3}, /* ignoring bit difference: 0x00008000 */
+ {121, 5, 3},
+ {121, 5, 3} },
+ {45250000,
+ {127, 5, 3},
+ {127, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {127, 5, 3},
+ {127, 5, 3} },
+ {46000000,
+ {90, 7, 2},
+ {103, 4, 3}, /* ignoring bit difference: 0x00008000 */
+ {129, 5, 3},
+ {103, 4, 3} },
+ {46996000,
+ {105, 4, 3}, /* ignoring bit difference: 0x00008000 */
+ {131, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {131, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {105, 4, 3} },
+ {48000000,
+ {67, 20, 0},
+ {134, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {134, 5, 3},
+ {134, 5, 3} },
+ {48875000,
+ {99, 29, 0},
+ {82, 3, 3}, /* ignoring bit difference: 0x00808000 */
+ {82, 3, 3}, /* ignoring bit difference: 0x00808000 */
+ {137, 5, 3} },
+ {49500000,
+ {83, 6, 2},
+ {83, 3, 3}, /* ignoring bit difference: 0x00008000 */
+ {138, 5, 3},
+ {83, 3, 3} },
+ {52406000,
+ {117, 4, 3},
+ {117, 4, 3}, /* ignoring bit difference: 0x00008000 */
+ {117, 4, 3},
+ {88, 3, 3} },
+ {52977000,
+ {37, 5, 1},
+ {148, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {148, 5, 3},
+ {148, 5, 3} },
+ {56250000,
+ {55, 7, 1}, /* ignoring bit difference: 0x00008000 */
+ {126, 4, 3}, /* ignoring bit difference: 0x00008000 */
+ {157, 5, 3},
+ {157, 5, 3} },
+ {57275000,
+ {0, 0, 0},
+ {2, 2, 0},
+ {2, 2, 0},
+ {157, 5, 3} }, /* ignoring bit difference: 0x00808000 */
+ {60466000,
+ {76, 9, 1},
+ {169, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {169, 5, 3}, /* FIXED: old = {72, 2, 3} */
+ {169, 5, 3} },
+ {61500000,
+ {86, 20, 0},
+ {172, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {172, 5, 3},
+ {172, 5, 3} },
+ {65000000,
+ {109, 6, 2}, /* ignoring bit difference: 0x00008000 */
+ {109, 3, 3}, /* ignoring bit difference: 0x00008000 */
+ {109, 3, 3},
+ {109, 3, 3} },
+ {65178000,
+ {91, 5, 2},
+ {182, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {109, 3, 3},
+ {182, 5, 3} },
+ {66750000,
+ {75, 4, 2},
+ {150, 4, 3}, /* ignoring bit difference: 0x00808000 */
+ {150, 4, 3},
+ {112, 3, 3} },
+ {68179000,
+ {19, 4, 0},
+ {114, 3, 3}, /* ignoring bit difference: 0x00008000 */
+ {190, 5, 3},
+ {191, 5, 3} },
+ {69924000,
+ {83, 17, 0},
+ {195, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {195, 5, 3},
+ {195, 5, 3} },
+ {70159000,
+ {98, 20, 0},
+ {196, 5, 3}, /* ignoring bit difference: 0x00808000 */
+ {196, 5, 3},
+ {195, 5, 3} },
+ {72000000,
+ {121, 24, 0},
+ {161, 4, 3}, /* ignoring bit difference: 0x00808000 */
+ {161, 4, 3},
+ {161, 4, 3} },
+ {78750000,
+ {33, 3, 1},
+ {66, 3, 2}, /* ignoring bit difference: 0x00008000 */
+ {110, 5, 2},
+ {110, 5, 2} },
+ {80136000,
+ {28, 5, 0},
+ {68, 3, 2}, /* ignoring bit difference: 0x00008000 */
+ {112, 5, 2},
+ {112, 5, 2} },
+ {83375000,
+ {93, 2, 3},
+ {93, 4, 2}, /* ignoring bit difference: 0x00800000 */
+ {93, 4, 2}, /* ignoring bit difference: 0x00800000 */
+ {117, 5, 2} },
+ {83950000,
+ {41, 7, 0},
+ {117, 5, 2}, /* ignoring bit difference: 0x00008000 */
+ {117, 5, 2},
+ {117, 5, 2} },
+ {84750000,
+ {118, 5, 2},
+ {118, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {118, 5, 2},
+ {118, 5, 2} },
+ {85860000,
+ {84, 7, 1},
+ {120, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {120, 5, 2},
+ {118, 5, 2} },
+ {88750000,
+ {31, 5, 0},
+ {124, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {174, 7, 2}, /* ignoring bit difference: 0x00808000 */
+ {124, 5, 2} },
+ {94500000,
+ {33, 5, 0},
+ {132, 5, 2}, /* ignoring bit difference: 0x00008000 */
+ {132, 5, 2},
+ {132, 5, 2} },
+ {97750000,
+ {82, 6, 1},
+ {137, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {137, 5, 2},
+ {137, 5, 2} },
+ {101000000,
+ {127, 9, 1},
+ {141, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {141, 5, 2},
+ {141, 5, 2} },
+ {106500000,
+ {119, 4, 2},
+ {119, 4, 2}, /* ignoring bit difference: 0x00808000 */
+ {119, 4, 2},
+ {149, 5, 2} },
+ {108000000,
+ {121, 4, 2},
+ {121, 4, 2}, /* ignoring bit difference: 0x00808000 */
+ {151, 5, 2},
+ {151, 5, 2} },
+ {113309000,
+ {95, 12, 0},
+ {95, 3, 2}, /* ignoring bit difference: 0x00808000 */
+ {95, 3, 2},
+ {159, 5, 2} },
+ {118840000,
+ {83, 5, 1},
+ {166, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {166, 5, 2},
+ {166, 5, 2} },
+ {119000000,
+ {108, 13, 0},
+ {133, 4, 2}, /* ignoring bit difference: 0x00808000 */
+ {133, 4, 2},
+ {167, 5, 2} },
+ {121750000,
+ {85, 5, 1},
+ {170, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {68, 2, 2},
+ {0, 0, 0} },
+ {125104000,
+ {53, 6, 0}, /* ignoring bit difference: 0x00008000 */
+ {106, 3, 2}, /* ignoring bit difference: 0x00008000 */
+ {175, 5, 2},
+ {0, 0, 0} },
+ {135000000,
+ {94, 5, 1},
+ {28, 3, 0}, /* ignoring bit difference: 0x00804000 */
+ {151, 4, 2},
+ {189, 5, 2} },
+ {136700000,
+ {115, 12, 0},
+ {191, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {191, 5, 2},
+ {191, 5, 2} },
+ {138400000,
+ {87, 9, 0},
+ {116, 3, 2}, /* ignoring bit difference: 0x00808000 */
+ {116, 3, 2},
+ {194, 5, 2} },
+ {146760000,
+ {103, 5, 1},
+ {206, 5, 2}, /* ignoring bit difference: 0x00808000 */
+ {206, 5, 2},
+ {206, 5, 2} },
+ {153920000,
+ {86, 8, 0},
+ {86, 4, 1}, /* ignoring bit difference: 0x00808000 */
+ {86, 4, 1},
+ {86, 4, 1} }, /* FIXED: old = {84, 2, 1} */
+ {156000000,
+ {109, 5, 1},
+ {109, 5, 1}, /* ignoring bit difference: 0x00808000 */
+ {109, 5, 1},
+ {108, 5, 1} },
+ {157500000,
+ {55, 5, 0}, /* ignoring bit difference: 0x00008000 */
+ {22, 2, 0}, /* ignoring bit difference: 0x00802000 */
+ {110, 5, 1},
+ {110, 5, 1} },
+ {162000000,
+ {113, 5, 1},
+ {113, 5, 1}, /* ignoring bit difference: 0x00808000 */
+ {113, 5, 1},
+ {113, 5, 1} },
+ {187000000,
+ {118, 9, 0},
+ {131, 5, 1}, /* ignoring bit difference: 0x00808000 */
+ {131, 5, 1},
+ {131, 5, 1} },
+ {193295000,
+ {108, 8, 0},
+ {81, 3, 1}, /* ignoring bit difference: 0x00808000 */
+ {135, 5, 1},
+ {135, 5, 1} },
+ {202500000,
+ {99, 7, 0},
+ {85, 3, 1}, /* ignoring bit difference: 0x00808000 */
+ {142, 5, 1},
+ {142, 5, 1} },
+ {204000000,
+ {100, 7, 0},
+ {143, 5, 1}, /* ignoring bit difference: 0x00808000 */
+ {143, 5, 1},
+ {143, 5, 1} },
+ {218500000,
+ {92, 6, 0},
+ {153, 5, 1}, /* ignoring bit difference: 0x00808000 */
+ {153, 5, 1},
+ {153, 5, 1} },
+ {234000000,
+ {98, 6, 0},
+ {98, 3, 1}, /* ignoring bit difference: 0x00008000 */
+ {98, 3, 1},
+ {164, 5, 1} },
+ {267250000,
+ {112, 6, 0},
+ {112, 3, 1}, /* ignoring bit difference: 0x00808000 */
+ {187, 5, 1},
+ {187, 5, 1} },
+ {297500000,
+ {102, 5, 0}, /* ignoring bit difference: 0x00008000 */
+ {166, 4, 1}, /* ignoring bit difference: 0x00008000 */
+ {208, 5, 1},
+ {208, 5, 1} },
+ {74481000,
+ {26, 5, 0},
+ {125, 3, 3}, /* ignoring bit difference: 0x00808000 */
+ {208, 5, 3},
+ {209, 5, 3} },
+ {172798000,
+ {121, 5, 1},
+ {121, 5, 1}, /* ignoring bit difference: 0x00808000 */
+ {121, 5, 1},
+ {121, 5, 1} },
+ {122614000,
+ {60, 7, 0},
+ {137, 4, 2}, /* ignoring bit difference: 0x00808000 */
+ {137, 4, 2},
+ {172, 5, 2} },
+ {74270000,
+ {83, 8, 1},
+ {208, 5, 3},
+ {208, 5, 3},
+ {0, 0, 0} },
+ {148500000,
+ {83, 8, 0},
+ {208, 5, 2},
+ {166, 4, 2},
+ {208, 5, 2} }
};
static struct fifo_depth_select display_fifo_depth_reg = {
@@ -1360,40 +1558,70 @@ void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active)
}
+static u32 cle266_encode_pll(struct pll_config pll)
+{
+ return (pll.multiplier << 8)
+ | (pll.rshift << 6)
+ | pll.divisor;
+}
+
+static u32 k800_encode_pll(struct pll_config pll)
+{
+ return ((pll.divisor - 2) << 16)
+ | (pll.rshift << 10)
+ | (pll.multiplier - 2);
+}
+
+static u32 vx855_encode_pll(struct pll_config pll)
+{
+ return (pll.divisor << 16)
+ | (pll.rshift << 10)
+ | pll.multiplier;
+}
+
u32 viafb_get_clk_value(int clk)
{
- int i;
+ u32 value = 0;
+ int i = 0;
- for (i = 0; i < NUM_TOTAL_PLL_TABLE; i++) {
- if (clk == pll_value[i].clk) {
- switch (viaparinfo->chip_info->gfx_chip_name) {
- case UNICHROME_CLE266:
- case UNICHROME_K400:
- return pll_value[i].cle266_pll;
-
- case UNICHROME_K800:
- case UNICHROME_PM800:
- case UNICHROME_CN700:
- return pll_value[i].k800_pll;
-
- case UNICHROME_CX700:
- case UNICHROME_K8M890:
- case UNICHROME_P4M890:
- case UNICHROME_P4M900:
- case UNICHROME_VX800:
- return pll_value[i].cx700_pll;
- case UNICHROME_VX855:
- return pll_value[i].vx855_pll;
- }
+ while (i < NUM_TOTAL_PLL_TABLE && clk != pll_value[i].clk)
+ i++;
+
+ if (i == NUM_TOTAL_PLL_TABLE) {
+ printk(KERN_WARNING "viafb_get_clk_value: PLL lookup failed!");
+ } else {
+ switch (viaparinfo->chip_info->gfx_chip_name) {
+ case UNICHROME_CLE266:
+ case UNICHROME_K400:
+ value = cle266_encode_pll(pll_value[i].cle266_pll);
+ break;
+
+ case UNICHROME_K800:
+ case UNICHROME_PM800:
+ case UNICHROME_CN700:
+ value = k800_encode_pll(pll_value[i].k800_pll);
+ break;
+
+ case UNICHROME_CX700:
+ case UNICHROME_CN750:
+ case UNICHROME_K8M890:
+ case UNICHROME_P4M890:
+ case UNICHROME_P4M900:
+ case UNICHROME_VX800:
+ value = k800_encode_pll(pll_value[i].cx700_pll);
+ break;
+
+ case UNICHROME_VX855:
+ value = vx855_encode_pll(pll_value[i].vx855_pll);
+ break;
}
}
- DEBUG_MSG(KERN_INFO "Can't find match PLL value\n\n");
- return 0;
+ return value;
}
/* Set VCLK*/
-void viafb_set_vclock(u32 CLK, int set_iga)
+void viafb_set_vclock(u32 clk, int set_iga)
{
/* H.W. Reset : ON */
viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
@@ -1403,26 +1631,23 @@ void viafb_set_vclock(u32 CLK, int set_iga)
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
- viafb_write_reg(SR46, VIASR, CLK / 0x100);
- viafb_write_reg(SR47, VIASR, CLK % 0x100);
+ via_write_reg(VIASR, SR46, (clk & 0x00FF));
+ via_write_reg(VIASR, SR47, (clk & 0xFF00) >> 8);
break;
case UNICHROME_K800:
case UNICHROME_PM800:
case UNICHROME_CN700:
case UNICHROME_CX700:
+ case UNICHROME_CN750:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
case UNICHROME_P4M900:
case UNICHROME_VX800:
case UNICHROME_VX855:
- viafb_write_reg(SR44, VIASR, CLK / 0x10000);
- DEBUG_MSG(KERN_INFO "\nSR44=%x", CLK / 0x10000);
- viafb_write_reg(SR45, VIASR, (CLK & 0xFFFF) / 0x100);
- DEBUG_MSG(KERN_INFO "\nSR45=%x",
- (CLK & 0xFFFF) / 0x100);
- viafb_write_reg(SR46, VIASR, CLK % 0x100);
- DEBUG_MSG(KERN_INFO "\nSR46=%x", CLK % 0x100);
+ via_write_reg(VIASR, SR44, (clk & 0x0000FF));
+ via_write_reg(VIASR, SR45, (clk & 0x00FF00) >> 8);
+ via_write_reg(VIASR, SR46, (clk & 0xFF0000) >> 16);
break;
}
}
@@ -1432,22 +1657,23 @@ void viafb_set_vclock(u32 CLK, int set_iga)
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
- viafb_write_reg(SR44, VIASR, CLK / 0x100);
- viafb_write_reg(SR45, VIASR, CLK % 0x100);
+ via_write_reg(VIASR, SR44, (clk & 0x00FF));
+ via_write_reg(VIASR, SR45, (clk & 0xFF00) >> 8);
break;
case UNICHROME_K800:
case UNICHROME_PM800:
case UNICHROME_CN700:
case UNICHROME_CX700:
+ case UNICHROME_CN750:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
case UNICHROME_P4M900:
case UNICHROME_VX800:
case UNICHROME_VX855:
- viafb_write_reg(SR4A, VIASR, CLK / 0x10000);
- viafb_write_reg(SR4B, VIASR, (CLK & 0xFFFF) / 0x100);
- viafb_write_reg(SR4C, VIASR, CLK % 0x100);
+ via_write_reg(VIASR, SR4A, (clk & 0x0000FF));
+ via_write_reg(VIASR, SR4B, (clk & 0x00FF00) >> 8);
+ via_write_reg(VIASR, SR4C, (clk & 0xFF0000) >> 16);
break;
}
}
@@ -1791,8 +2017,6 @@ void viafb_init_chip_info(int chip_type)
viafb_set_iga_path();
viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method;
- viaparinfo->lvds_setting_info->get_lcd_size_method =
- GET_LCD_SIZE_BY_USER_SETTING;
viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode;
viaparinfo->lvds_setting_info2->display_method =
viaparinfo->lvds_setting_info->display_method;
@@ -1946,13 +2170,6 @@ static void init_tmds_chip_info(void)
static void init_lvds_chip_info(void)
{
- if (viafb_lcd_panel_id > LCD_PANEL_ID_MAXIMUM)
- viaparinfo->lvds_setting_info->get_lcd_size_method =
- GET_LCD_SIZE_BY_VGA_BIOS;
- else
- viaparinfo->lvds_setting_info->get_lcd_size_method =
- GET_LCD_SIZE_BY_USER_SETTING;
-
viafb_lvds_trasmitter_identify();
viafb_init_lcd_size();
viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info,
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index a109de379816..c44399895294 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -700,12 +700,18 @@ struct _lcd_scaling_factor {
struct _lcd_ver_scaling_factor lcd_ver_scaling_factor;
};
+struct pll_config {
+ u16 multiplier;
+ u8 divisor;
+ u8 rshift;
+};
+
struct pll_map {
u32 clk;
- u32 cle266_pll;
- u32 k800_pll;
- u32 cx700_pll;
- u32 vx855_pll;
+ struct pll_config cle266_pll;
+ struct pll_config k800_pll;
+ struct pll_config cx700_pll;
+ struct pll_config vx855_pll;
};
struct rgbLUT {
diff --git a/drivers/video/via/ioctl.h b/drivers/video/via/ioctl.h
index c430fa23008a..6010d10b59e8 100644
--- a/drivers/video/via/ioctl.h
+++ b/drivers/video/via/ioctl.h
@@ -35,11 +35,9 @@
#define VIAFB_GET_SAMM_INFO 0x56494107 /* 'VIA\07' */
#define VIAFB_TURN_ON_OUTPUT_DEVICE 0x56494108 /* 'VIA\08' */
#define VIAFB_TURN_OFF_OUTPUT_DEVICE 0x56494109 /* 'VIA\09' */
-#define VIAFB_SET_DEVICE 0x5649410A
#define VIAFB_GET_DEVICE 0x5649410B
#define VIAFB_GET_DRIVER_VERSION 0x56494112 /* 'VIA\12' */
#define VIAFB_GET_CHIP_INFO 0x56494113 /* 'VIA\13' */
-#define VIAFB_SET_DEVICE_INFO 0x56494114
#define VIAFB_GET_DEVICE_INFO 0x56494115
#define VIAFB_GET_DEVICE_SUPPORT 0x56494118
@@ -50,7 +48,6 @@
#define VIAFB_GET_GAMMA_LUT 0x56494124
#define VIAFB_SET_GAMMA_LUT 0x56494125
#define VIAFB_GET_GAMMA_SUPPORT_STATE 0x56494126
-#define VIAFB_SET_SECOND_MODE 0x56494129
#define VIAFB_SYNC_SURFACE 0x56494130
#define VIAFB_GET_DRIVER_CAPS 0x56494131
#define VIAFB_GET_IGA_SCALING_INFO 0x56494132
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 2ab0f156439a..fc25ae30c5f6 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -75,8 +75,6 @@ static void check_diport_of_integrated_lvds(
static struct display_timing lcd_centering_timging(struct display_timing
mode_crt_reg,
struct display_timing panel_crt_reg);
-static void viafb_load_scaling_factor_for_p4m900(int set_hres,
- int set_vres, int panel_hres, int panel_vres);
static int check_lvds_chip(int device_id_subaddr, int device_id)
{
@@ -89,33 +87,8 @@ static int check_lvds_chip(int device_id_subaddr, int device_id)
void viafb_init_lcd_size(void)
{
DEBUG_MSG(KERN_INFO "viafb_init_lcd_size()\n");
- DEBUG_MSG(KERN_INFO
- "viaparinfo->lvds_setting_info->get_lcd_size_method %d\n",
- viaparinfo->lvds_setting_info->get_lcd_size_method);
- switch (viaparinfo->lvds_setting_info->get_lcd_size_method) {
- case GET_LCD_SIZE_BY_SYSTEM_BIOS:
- break;
- case GET_LCD_SZIE_BY_HW_STRAPPING:
- break;
- case GET_LCD_SIZE_BY_VGA_BIOS:
- DEBUG_MSG(KERN_INFO "Get LCD Size method by VGA BIOS !!\n");
- fp_id_to_vindex(viafb_lcd_panel_id);
- DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n",
- viaparinfo->lvds_setting_info->lcd_panel_id);
- break;
- case GET_LCD_SIZE_BY_USER_SETTING:
- DEBUG_MSG(KERN_INFO "Get LCD Size method by user setting !!\n");
- fp_id_to_vindex(viafb_lcd_panel_id);
- DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n",
- viaparinfo->lvds_setting_info->lcd_panel_id);
- break;
- default:
- DEBUG_MSG(KERN_INFO "viafb_init_lcd_size fail\n");
- viaparinfo->lvds_setting_info->lcd_panel_id =
- LCD_PANEL_ID1_800X600;
- fp_id_to_vindex(LCD_PANEL_ID1_800X600);
- }
+ fp_id_to_vindex(viafb_lcd_panel_id);
viaparinfo->lvds_setting_info2->lcd_panel_id =
viaparinfo->lvds_setting_info->lcd_panel_id;
viaparinfo->lvds_setting_info2->lcd_panel_hres =
@@ -437,14 +410,9 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
/* LCD Scaling Enable */
viafb_write_reg_mask(CR79, VIACR, 0x07, BIT0 + BIT1 + BIT2);
- if (UNICHROME_P4M900 == viaparinfo->chip_info->gfx_chip_name) {
- viafb_load_scaling_factor_for_p4m900(set_hres, set_vres,
- panel_hres, panel_vres);
- return;
- }
/* Check if expansion for horizontal */
- if (set_hres != panel_hres) {
+ if (set_hres < panel_hres) {
/* Load Horizontal Scaling Factor */
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
@@ -464,6 +432,10 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
case UNICHROME_CX700:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
+ case UNICHROME_P4M900:
+ case UNICHROME_CN750:
+ case UNICHROME_VX800:
+ case UNICHROME_VX855:
reg_value =
K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres);
/* Horizontal scaling enabled */
@@ -483,7 +455,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
}
/* Check if expansion for vertical */
- if (set_vres != panel_vres) {
+ if (set_vres < panel_vres) {
/* Load Vertical Scaling Factor */
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_CLE266:
@@ -503,6 +475,10 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
case UNICHROME_CX700:
case UNICHROME_K8M890:
case UNICHROME_P4M890:
+ case UNICHROME_P4M900:
+ case UNICHROME_CN750:
+ case UNICHROME_VX800:
+ case UNICHROME_VX855:
reg_value =
K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres);
/* Vertical scaling enabled */
@@ -648,9 +624,8 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
(mode_crt_reg, panel_crt_reg), IGA1);
} else {
/* Expansion */
- if ((plvds_setting_info->display_method ==
- LCD_EXPANDSION) & ((set_hres != panel_hres)
- || (set_vres != panel_vres))) {
+ if (plvds_setting_info->display_method == LCD_EXPANDSION
+ && (set_hres < panel_hres || set_vres < panel_vres)) {
/* expansion timing IGA2 loaded panel set timing*/
viafb_load_crtc_timing(panel_crt_reg, IGA2);
DEBUG_MSG(KERN_INFO "viafb_load_crtc_timing!!\n");
@@ -1139,69 +1114,3 @@ bool viafb_lcd_get_mobile_state(bool *mobile)
return false;
}
}
-
-static void viafb_load_scaling_factor_for_p4m900(int set_hres,
- int set_vres, int panel_hres, int panel_vres)
-{
- int h_scaling_factor;
- int v_scaling_factor;
- u8 cra2 = 0;
- u8 cr77 = 0;
- u8 cr78 = 0;
- u8 cr79 = 0;
- u8 cr9f = 0;
- /* Check if expansion for horizontal */
- if (set_hres < panel_hres) {
- /* Load Horizontal Scaling Factor */
-
- /* For VIA_K8M800 or later chipsets. */
- h_scaling_factor =
- K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres);
- /* HSCaleFactor[1:0] at CR9F[1:0] */
- cr9f = h_scaling_factor & 0x0003;
- /* HSCaleFactor[9:2] at CR77[7:0] */
- cr77 = (h_scaling_factor & 0x03FC) >> 2;
- /* HSCaleFactor[11:10] at CR79[5:4] */
- cr79 = (h_scaling_factor & 0x0C00) >> 10;
- cr79 <<= 4;
-
- /* Horizontal scaling enabled */
- cra2 = 0xC0;
-
- DEBUG_MSG(KERN_INFO "Horizontal Scaling value = %d\n",
- h_scaling_factor);
- } else {
- /* Horizontal scaling disabled */
- cra2 = 0x00;
- }
-
- /* Check if expansion for vertical */
- if (set_vres < panel_vres) {
- /* Load Vertical Scaling Factor */
-
- /* For VIA_K8M800 or later chipsets. */
- v_scaling_factor =
- K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres);
-
- /* Vertical scaling enabled */
- cra2 |= 0x08;
- /* VSCaleFactor[0] at CR79[3] */
- cr79 |= ((v_scaling_factor & 0x0001) << 3);
- /* VSCaleFactor[8:1] at CR78[7:0] */
- cr78 |= (v_scaling_factor & 0x01FE) >> 1;
- /* VSCaleFactor[10:9] at CR79[7:6] */
- cr79 |= ((v_scaling_factor & 0x0600) >> 9) << 6;
-
- DEBUG_MSG(KERN_INFO "Vertical Scaling value = %d\n",
- v_scaling_factor);
- } else {
- /* Vertical scaling disabled */
- cra2 |= 0x00;
- }
-
- viafb_write_reg_mask(CRA2, VIACR, cra2, BIT3 + BIT6 + BIT7);
- viafb_write_reg_mask(CR77, VIACR, cr77, 0xFF);
- viafb_write_reg_mask(CR78, VIACR, cr78, 0xFF);
- viafb_write_reg_mask(CR79, VIACR, cr79, 0xF8);
- viafb_write_reg_mask(CR9F, VIACR, cr9f, BIT0 + BIT1);
-}
diff --git a/drivers/video/via/lcd.h b/drivers/video/via/lcd.h
index 9762ec62b495..b348efc360b8 100644
--- a/drivers/video/via/lcd.h
+++ b/drivers/video/via/lcd.h
@@ -28,11 +28,6 @@
#define VT3271_DEVICE_ID_REG 0x02
#define VT3271_DEVICE_ID 0x71
-#define GET_LCD_SIZE_BY_SYSTEM_BIOS 0x01
-#define GET_LCD_SIZE_BY_VGA_BIOS 0x02
-#define GET_LCD_SZIE_BY_HW_STRAPPING 0x03
-#define GET_LCD_SIZE_BY_USER_SETTING 0x04
-
/* Definition DVI Panel ID*/
/* Resolution: 640x480, Channel: single, Dithering: Enable */
#define LCD_PANEL_ID0_640X480 0x00
diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 7f0de7f006ad..2cbe1031b421 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -631,7 +631,6 @@
#define CLK_25_175M 25175000
#define CLK_26_880M 26880000
#define CLK_29_581M 29581000
-#define CLK_31_490M 31490000
#define CLK_31_500M 31500000
#define CLK_31_728M 31728000
#define CLK_32_668M 32688000
@@ -676,7 +675,6 @@
#define CLK_119_000M 119000000
#define CLK_121_750M 121750000 /* 121.704MHz */
#define CLK_125_104M 125104000
-#define CLK_133_308M 133308000
#define CLK_135_000M 135000000
#define CLK_136_700M 136700000
#define CLK_138_400M 138400000
@@ -699,313 +697,6 @@
#define CLK_172_798M 172798000
#define CLK_122_614M 122614000
-/* CLE266 PLL value
-*/
-#define CLE266_PLL_25_175M 0x0000C763
-#define CLE266_PLL_26_880M 0x0000440F
-#define CLE266_PLL_29_581M 0x00008421
-#define CLE266_PLL_31_490M 0x00004721
-#define CLE266_PLL_31_500M 0x0000C3B5
-#define CLE266_PLL_31_728M 0x0000471F
-#define CLE266_PLL_32_668M 0x0000C449
-#define CLE266_PLL_36_000M 0x0000C5E5
-#define CLE266_PLL_40_000M 0x0000C459
-#define CLE266_PLL_41_291M 0x00004417
-#define CLE266_PLL_43_163M 0x0000C579
-#define CLE266_PLL_45_250M 0x0000C57F /* 45.46MHz */
-#define CLE266_PLL_46_000M 0x0000875A
-#define CLE266_PLL_46_996M 0x0000C4E9
-#define CLE266_PLL_48_000M 0x00001443
-#define CLE266_PLL_48_875M 0x00001D63
-#define CLE266_PLL_49_500M 0x00008653
-#define CLE266_PLL_52_406M 0x0000C475
-#define CLE266_PLL_52_977M 0x00004525
-#define CLE266_PLL_56_250M 0x000047B7
-#define CLE266_PLL_60_466M 0x0000494C
-#define CLE266_PLL_61_500M 0x00001456
-#define CLE266_PLL_65_000M 0x000086ED
-#define CLE266_PLL_65_178M 0x0000855B
-#define CLE266_PLL_66_750M 0x0000844B /* 67.116MHz */
-#define CLE266_PLL_68_179M 0x00000413
-#define CLE266_PLL_69_924M 0x00001153
-#define CLE266_PLL_70_159M 0x00001462
-#define CLE266_PLL_72_000M 0x00001879
-#define CLE266_PLL_74_270M 0x00004853
-#define CLE266_PLL_78_750M 0x00004321
-#define CLE266_PLL_80_136M 0x0000051C
-#define CLE266_PLL_83_375M 0x0000C25D
-#define CLE266_PLL_83_950M 0x00000729
-#define CLE266_PLL_84_750M 0x00008576 /* 84.537MHz */
-#define CLE266_PLL_85_860M 0x00004754
-#define CLE266_PLL_88_750M 0x0000051F
-#define CLE266_PLL_94_500M 0x00000521
-#define CLE266_PLL_97_750M 0x00004652
-#define CLE266_PLL_101_000M 0x0000497F
-#define CLE266_PLL_106_500M 0x00008477 /* 106.491463 MHz */
-#define CLE266_PLL_108_000M 0x00008479
-#define CLE266_PLL_113_309M 0x00000C5F
-#define CLE266_PLL_118_840M 0x00004553
-#define CLE266_PLL_119_000M 0x00000D6C
-#define CLE266_PLL_121_750M 0x00004555 /* 121.704MHz */
-#define CLE266_PLL_125_104M 0x000006B5
-#define CLE266_PLL_133_308M 0x0000465F
-#define CLE266_PLL_135_000M 0x0000455E
-#define CLE266_PLL_136_700M 0x00000C73
-#define CLE266_PLL_138_400M 0x00000957
-#define CLE266_PLL_146_760M 0x00004567
-#define CLE266_PLL_148_500M 0x00000853
-#define CLE266_PLL_153_920M 0x00000856
-#define CLE266_PLL_156_000M 0x0000456D
-#define CLE266_PLL_157_500M 0x000005B7
-#define CLE266_PLL_162_000M 0x00004571
-#define CLE266_PLL_187_000M 0x00000976
-#define CLE266_PLL_193_295M 0x0000086C
-#define CLE266_PLL_202_500M 0x00000763
-#define CLE266_PLL_204_000M 0x00000764
-#define CLE266_PLL_218_500M 0x0000065C
-#define CLE266_PLL_234_000M 0x00000662
-#define CLE266_PLL_267_250M 0x00000670
-#define CLE266_PLL_297_500M 0x000005E6
-#define CLE266_PLL_74_481M 0x0000051A
-#define CLE266_PLL_172_798M 0x00004579
-#define CLE266_PLL_122_614M 0x0000073C
-
-/* K800 PLL value
-*/
-#define K800_PLL_25_175M 0x00539001
-#define K800_PLL_26_880M 0x001C8C80
-#define K800_PLL_29_581M 0x00409080
-#define K800_PLL_31_490M 0x006F9001
-#define K800_PLL_31_500M 0x008B9002
-#define K800_PLL_31_728M 0x00AF9003
-#define K800_PLL_32_668M 0x00909002
-#define K800_PLL_36_000M 0x009F9002
-#define K800_PLL_40_000M 0x00578C02
-#define K800_PLL_41_291M 0x00438C01
-#define K800_PLL_43_163M 0x00778C03
-#define K800_PLL_45_250M 0x007D8C83 /* 45.46MHz */
-#define K800_PLL_46_000M 0x00658C02
-#define K800_PLL_46_996M 0x00818C83
-#define K800_PLL_48_000M 0x00848C83
-#define K800_PLL_48_875M 0x00508C81
-#define K800_PLL_49_500M 0x00518C01
-#define K800_PLL_52_406M 0x00738C02
-#define K800_PLL_52_977M 0x00928C83
-#define K800_PLL_56_250M 0x007C8C02
-#define K800_PLL_60_466M 0x00A78C83
-#define K800_PLL_61_500M 0x00AA8C83
-#define K800_PLL_65_000M 0x006B8C01
-#define K800_PLL_65_178M 0x00B48C83
-#define K800_PLL_66_750M 0x00948C82 /* 67.116MHz */
-#define K800_PLL_68_179M 0x00708C01
-#define K800_PLL_69_924M 0x00C18C83
-#define K800_PLL_70_159M 0x00C28C83
-#define K800_PLL_72_000M 0x009F8C82
-#define K800_PLL_74_270M 0x00ce0c03
-#define K800_PLL_78_750M 0x00408801
-#define K800_PLL_80_136M 0x00428801
-#define K800_PLL_83_375M 0x005B0882
-#define K800_PLL_83_950M 0x00738803
-#define K800_PLL_84_750M 0x00748883 /* 84.477MHz */
-#define K800_PLL_85_860M 0x00768883
-#define K800_PLL_88_750M 0x007A8883
-#define K800_PLL_94_500M 0x00828803
-#define K800_PLL_97_750M 0x00878883
-#define K800_PLL_101_000M 0x008B8883
-#define K800_PLL_106_500M 0x00758882 /* 106.491463 MHz */
-#define K800_PLL_108_000M 0x00778882
-#define K800_PLL_113_309M 0x005D8881
-#define K800_PLL_118_840M 0x00A48883
-#define K800_PLL_119_000M 0x00838882
-#define K800_PLL_121_750M 0x00A88883 /* 121.704MHz */
-#define K800_PLL_125_104M 0x00688801
-#define K800_PLL_133_308M 0x005D8801
-#define K800_PLL_135_000M 0x001A4081
-#define K800_PLL_136_700M 0x00BD8883
-#define K800_PLL_138_400M 0x00728881
-#define K800_PLL_146_760M 0x00CC8883
-#define K800_PLL_148_500M 0x00ce0803
-#define K800_PLL_153_920M 0x00548482
-#define K800_PLL_156_000M 0x006B8483
-#define K800_PLL_157_500M 0x00142080
-#define K800_PLL_162_000M 0x006F8483
-#define K800_PLL_187_000M 0x00818483
-#define K800_PLL_193_295M 0x004F8481
-#define K800_PLL_202_500M 0x00538481
-#define K800_PLL_204_000M 0x008D8483
-#define K800_PLL_218_500M 0x00978483
-#define K800_PLL_234_000M 0x00608401
-#define K800_PLL_267_250M 0x006E8481
-#define K800_PLL_297_500M 0x00A48402
-#define K800_PLL_74_481M 0x007B8C81
-#define K800_PLL_172_798M 0x00778483
-#define K800_PLL_122_614M 0x00878882
-
-/* PLL for VT3324 */
-#define CX700_25_175M 0x008B1003
-#define CX700_26_719M 0x00931003
-#define CX700_26_880M 0x00941003
-#define CX700_29_581M 0x00A49003
-#define CX700_31_490M 0x00AE1003
-#define CX700_31_500M 0x00AE1003
-#define CX700_31_728M 0x00AF1003
-#define CX700_32_668M 0x00B51003
-#define CX700_36_000M 0x00C81003
-#define CX700_40_000M 0x006E0C03
-#define CX700_41_291M 0x00710C03
-#define CX700_43_163M 0x00770C03
-#define CX700_45_250M 0x007D0C03 /* 45.46MHz */
-#define CX700_46_000M 0x007F0C03
-#define CX700_46_996M 0x00818C83
-#define CX700_48_000M 0x00840C03
-#define CX700_48_875M 0x00508C81
-#define CX700_49_500M 0x00880C03
-#define CX700_52_406M 0x00730C02
-#define CX700_52_977M 0x00920C03
-#define CX700_56_250M 0x009B0C03
-#define CX700_60_466M 0x00460C00
-#define CX700_61_500M 0x00AA0C03
-#define CX700_65_000M 0x006B0C01
-#define CX700_65_178M 0x006B0C01
-#define CX700_66_750M 0x00940C02 /*67.116MHz */
-#define CX700_68_179M 0x00BC0C03
-#define CX700_69_924M 0x00C10C03
-#define CX700_70_159M 0x00C20C03
-#define CX700_72_000M 0x009F0C02
-#define CX700_74_270M 0x00CE0C03
-#define CX700_74_481M 0x00CE0C03
-#define CX700_78_750M 0x006C0803
-#define CX700_80_136M 0x006E0803
-#define CX700_83_375M 0x005B0882
-#define CX700_83_950M 0x00730803
-#define CX700_84_750M 0x00740803 /* 84.537Mhz */
-#define CX700_85_860M 0x00760803
-#define CX700_88_750M 0x00AC8885
-#define CX700_94_500M 0x00820803
-#define CX700_97_750M 0x00870803
-#define CX700_101_000M 0x008B0803
-#define CX700_106_500M 0x00750802
-#define CX700_108_000M 0x00950803
-#define CX700_113_309M 0x005D0801
-#define CX700_118_840M 0x00A40803
-#define CX700_119_000M 0x00830802
-#define CX700_121_750M 0x00420800 /* 121.704MHz */
-#define CX700_125_104M 0x00AD0803
-#define CX700_133_308M 0x00930802
-#define CX700_135_000M 0x00950802
-#define CX700_136_700M 0x00BD0803
-#define CX700_138_400M 0x00720801
-#define CX700_146_760M 0x00CC0803
-#define CX700_148_500M 0x00a40802
-#define CX700_153_920M 0x00540402
-#define CX700_156_000M 0x006B0403
-#define CX700_157_500M 0x006C0403
-#define CX700_162_000M 0x006F0403
-#define CX700_172_798M 0x00770403
-#define CX700_187_000M 0x00810403
-#define CX700_193_295M 0x00850403
-#define CX700_202_500M 0x008C0403
-#define CX700_204_000M 0x008D0403
-#define CX700_218_500M 0x00970403
-#define CX700_234_000M 0x00600401
-#define CX700_267_250M 0x00B90403
-#define CX700_297_500M 0x00CE0403
-#define CX700_122_614M 0x00870802
-
-/* PLL for VX855 */
-#define VX855_22_000M 0x007B1005
-#define VX855_25_175M 0x008D1005
-#define VX855_26_719M 0x00961005
-#define VX855_26_880M 0x00961005
-#define VX855_27_000M 0x00971005
-#define VX855_29_581M 0x00A51005
-#define VX855_29_829M 0x00641003
-#define VX855_31_490M 0x00B01005
-#define VX855_31_500M 0x00B01005
-#define VX855_31_728M 0x008E1004
-#define VX855_32_668M 0x00921004
-#define VX855_36_000M 0x00A11004
-#define VX855_40_000M 0x00700C05
-#define VX855_41_291M 0x00730C05
-#define VX855_43_163M 0x00790C05
-#define VX855_45_250M 0x007F0C05 /* 45.46MHz */
-#define VX855_46_000M 0x00670C04
-#define VX855_46_996M 0x00690C04
-#define VX855_48_000M 0x00860C05
-#define VX855_48_875M 0x00890C05
-#define VX855_49_500M 0x00530C03
-#define VX855_52_406M 0x00580C03
-#define VX855_52_977M 0x00940C05
-#define VX855_56_250M 0x009D0C05
-#define VX855_57_275M 0x009D8C85 /* Used by XO panel */
-#define VX855_60_466M 0x00A90C05
-#define VX855_61_500M 0x00AC0C05
-#define VX855_65_000M 0x006D0C03
-#define VX855_65_178M 0x00B60C05
-#define VX855_66_750M 0x00700C03 /*67.116MHz */
-#define VX855_67_295M 0x00BC0C05
-#define VX855_68_179M 0x00BF0C05
-#define VX855_68_369M 0x00BF0C05
-#define VX855_69_924M 0x00C30C05
-#define VX855_70_159M 0x00C30C05
-#define VX855_72_000M 0x00A10C04
-#define VX855_73_023M 0x00CC0C05
-#define VX855_74_481M 0x00D10C05
-#define VX855_78_750M 0x006E0805
-#define VX855_79_466M 0x006F0805
-#define VX855_80_136M 0x00700805
-#define VX855_81_627M 0x00720805
-#define VX855_83_375M 0x00750805
-#define VX855_83_527M 0x00750805
-#define VX855_83_950M 0x00750805
-#define VX855_84_537M 0x00760805
-#define VX855_84_750M 0x00760805 /* 84.537Mhz */
-#define VX855_85_500M 0x00760805 /* 85.909080 MHz*/
-#define VX855_85_860M 0x00760805
-#define VX855_85_909M 0x00760805
-#define VX855_88_750M 0x007C0805
-#define VX855_89_489M 0x007D0805
-#define VX855_94_500M 0x00840805
-#define VX855_96_648M 0x00870805
-#define VX855_97_750M 0x00890805
-#define VX855_101_000M 0x008D0805
-#define VX855_106_500M 0x00950805
-#define VX855_108_000M 0x00970805
-#define VX855_110_125M 0x00990805
-#define VX855_112_000M 0x009D0805
-#define VX855_113_309M 0x009F0805
-#define VX855_115_000M 0x00A10805
-#define VX855_118_840M 0x00A60805
-#define VX855_119_000M 0x00A70805
-#define VX855_121_750M 0x00AA0805 /* 121.704MHz */
-#define VX855_122_614M 0x00AC0805
-#define VX855_126_266M 0x00B10805
-#define VX855_130_250M 0x00B60805 /* 130.250 */
-#define VX855_135_000M 0x00BD0805
-#define VX855_136_700M 0x00BF0805
-#define VX855_137_750M 0x00C10805
-#define VX855_138_400M 0x00C20805
-#define VX855_144_300M 0x00CA0805
-#define VX855_146_760M 0x00CE0805
-#define VX855_148_500M 0x00D00805
-#define VX855_153_920M 0x00540402
-#define VX855_156_000M 0x006C0405
-#define VX855_156_867M 0x006E0405
-#define VX855_157_500M 0x006E0405
-#define VX855_162_000M 0x00710405
-#define VX855_172_798M 0x00790405
-#define VX855_187_000M 0x00830405
-#define VX855_193_295M 0x00870405
-#define VX855_202_500M 0x008E0405
-#define VX855_204_000M 0x008F0405
-#define VX855_218_500M 0x00990405
-#define VX855_229_500M 0x00A10405
-#define VX855_234_000M 0x00A40405
-#define VX855_267_250M 0x00BB0405
-#define VX855_297_500M 0x00D00405
-#define VX855_339_500M 0x00770005
-#define VX855_340_772M 0x00770005
-
/* Definition CRTC Timing Index */
#define H_TOTAL_INDEX 0
diff --git a/drivers/video/via/via-core.c b/drivers/video/via/via-core.c
index e8cfe8392110..66f403033111 100644
--- a/drivers/video/via/via-core.c
+++ b/drivers/video/via/via-core.c
@@ -64,7 +64,7 @@ static inline int viafb_mmio_read(int reg)
*/
static u32 viafb_enabled_ints;
-static void viafb_int_init(void)
+static void __devinit viafb_int_init(void)
{
viafb_enabled_ints = 0;
@@ -489,7 +489,7 @@ out_unmap:
return ret;
}
-static void __devexit via_pci_teardown_mmio(struct viafb_dev *vdev)
+static void via_pci_teardown_mmio(struct viafb_dev *vdev)
{
iounmap(vdev->fbmem);
iounmap(vdev->engine_mmio);
@@ -548,7 +548,7 @@ static int __devinit via_setup_subdevs(struct viafb_dev *vdev)
return 0;
}
-static void __devexit via_teardown_subdevs(void)
+static void via_teardown_subdevs(void)
{
int i;
@@ -613,22 +613,24 @@ static void __devexit via_pci_remove(struct pci_dev *pdev)
static struct pci_device_id via_pci_table[] __devinitdata = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID),
.driver_data = UNICHROME_CLE266 },
- { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
- .driver_data = UNICHROME_PM800 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID),
.driver_data = UNICHROME_K400 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID),
.driver_data = UNICHROME_K800 },
- { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
+ .driver_data = UNICHROME_PM800 },
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN700_DID),
.driver_data = UNICHROME_CN700 },
- { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
- .driver_data = UNICHROME_K8M890 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID),
.driver_data = UNICHROME_CX700 },
- { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
- .driver_data = UNICHROME_P4M900 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID),
.driver_data = UNICHROME_CN750 },
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
+ .driver_data = UNICHROME_K8M890 },
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
+ .driver_data = UNICHROME_P4M890 },
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
+ .driver_data = UNICHROME_P4M900 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID),
.driver_data = UNICHROME_VX800 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID),
diff --git a/drivers/video/via/via-gpio.c b/drivers/video/via/via-gpio.c
index 595516aea691..39acb37e7a1d 100644
--- a/drivers/video/via/via-gpio.c
+++ b/drivers/video/via/via-gpio.c
@@ -73,7 +73,7 @@ struct viafb_gpio_cfg {
struct gpio_chip gpio_chip;
struct viafb_dev *vdev;
struct viafb_gpio *active_gpios[VIAFB_NUM_GPIOS];
- char *gpio_names[VIAFB_NUM_GPIOS];
+ const char *gpio_names[VIAFB_NUM_GPIOS];
};
/*
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 1082541358f0..bdd0e4130f4e 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -49,11 +49,6 @@ char *viafb_active_dev;
char *viafb_lcd_port = "";
char *viafb_dvi_port = "";
-static void viafb_set_device(struct device_t active_dev);
-static int apply_device_setting(struct viafb_ioctl_setting setting_info,
- struct fb_info *info);
-static void apply_second_mode_setting(struct fb_var_screeninfo
- *sec_var);
static void retrieve_device_setting(struct viafb_ioctl_setting
*setting_info);
static int viafb_pan_display(struct fb_var_screeninfo *var,
@@ -221,9 +216,9 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
/* Adjust var according to our driver's own table */
viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
- if (info->var.accel_flags & FB_ACCELF_TEXT &&
+ if (var->accel_flags & FB_ACCELF_TEXT &&
!ppar->shared->vdev->engine_mmio)
- info->var.accel_flags = 0;
+ var->accel_flags = 0;
return 0;
}
@@ -234,6 +229,7 @@ static int viafb_set_par(struct fb_info *info)
struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
+ viafb_update_fix(info);
viapar->depth = fb_get_color_depth(&info->var, &info->fix);
viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
@@ -257,7 +253,6 @@ static int viafb_set_par(struct fb_info *info)
}
if (vmode_entry) {
- viafb_update_fix(info);
if (viafb_dual_fb && viapar->iga_path == IGA2)
viafb_bpp1 = info->var.bits_per_pixel;
else
@@ -478,13 +473,6 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
if (gpu32 & LCD_Device)
viafb_lcd_disable();
break;
- case VIAFB_SET_DEVICE:
- if (copy_from_user(&u.active_dev, (void *)argp,
- sizeof(u.active_dev)))
- return -EFAULT;
- viafb_set_device(u.active_dev);
- viafb_set_par(info);
- break;
case VIAFB_GET_DEVICE:
u.active_dev.crt = viafb_CRT_ON;
u.active_dev.dvi = viafb_DVI_ON;
@@ -527,21 +515,6 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
break;
- case VIAFB_SET_DEVICE_INFO:
- if (copy_from_user(&u.viafb_setting,
- argp, sizeof(u.viafb_setting)))
- return -EFAULT;
- if (apply_device_setting(u.viafb_setting, info) < 0)
- return -EINVAL;
-
- break;
-
- case VIAFB_SET_SECOND_MODE:
- if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
- return -EFAULT;
- apply_second_mode_setting(&u.sec_var);
- break;
-
case VIAFB_GET_DEVICE_INFO:
retrieve_device_setting(&u.viafb_setting);
@@ -913,112 +886,6 @@ static int viafb_sync(struct fb_info *info)
return 0;
}
-static void check_available_device_to_enable(int device_id)
-{
- int device_num = 0;
-
- /* Initialize: */
- viafb_CRT_ON = STATE_OFF;
- viafb_DVI_ON = STATE_OFF;
- viafb_LCD_ON = STATE_OFF;
- viafb_LCD2_ON = STATE_OFF;
- viafb_DeviceStatus = None_Device;
-
- if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
- viafb_CRT_ON = STATE_ON;
- device_num++;
- viafb_DeviceStatus |= CRT_Device;
- }
-
- if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
- viafb_DVI_ON = STATE_ON;
- device_num++;
- viafb_DeviceStatus |= DVI_Device;
- }
-
- if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
- viafb_LCD_ON = STATE_ON;
- device_num++;
- viafb_DeviceStatus |= LCD_Device;
- }
-
- if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
- viafb_LCD2_ON = STATE_ON;
- device_num++;
- viafb_DeviceStatus |= LCD2_Device;
- }
-
- if (viafb_DeviceStatus == None_Device) {
- /* Use CRT as default active device: */
- viafb_CRT_ON = STATE_ON;
- viafb_DeviceStatus = CRT_Device;
- }
- DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
-}
-
-static void viafb_set_device(struct device_t active_dev)
-{
- /* Check available device to enable: */
- int device_id = None_Device;
- if (active_dev.crt)
- device_id |= CRT_Device;
- if (active_dev.dvi)
- device_id |= DVI_Device;
- if (active_dev.lcd)
- device_id |= LCD_Device;
-
- check_available_device_to_enable(device_id);
-
- /* Check property of LCD: */
- if (viafb_LCD_ON) {
- if (active_dev.lcd_dsp_cent) {
- viaparinfo->lvds_setting_info->display_method =
- viafb_lcd_dsp_method = LCD_CENTERING;
- } else {
- viaparinfo->lvds_setting_info->display_method =
- viafb_lcd_dsp_method = LCD_EXPANDSION;
- }
-
- if (active_dev.lcd_mode == LCD_SPWG) {
- viaparinfo->lvds_setting_info->lcd_mode =
- viafb_lcd_mode = LCD_SPWG;
- } else {
- viaparinfo->lvds_setting_info->lcd_mode =
- viafb_lcd_mode = LCD_OPENLDI;
- }
-
- if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
- viafb_lcd_panel_id = active_dev.lcd_panel_id;
- viafb_init_lcd_size();
- }
- }
-
- /* Check property of mode: */
- if (!active_dev.xres1)
- viafb_second_xres = 640;
- else
- viafb_second_xres = active_dev.xres1;
- if (!active_dev.yres1)
- viafb_second_yres = 480;
- else
- viafb_second_yres = active_dev.yres1;
- if (active_dev.bpp != 0)
- viafb_bpp = active_dev.bpp;
- if (active_dev.bpp1 != 0)
- viafb_bpp1 = active_dev.bpp1;
- if (active_dev.refresh != 0)
- viafb_refresh = active_dev.refresh;
- if (active_dev.refresh1 != 0)
- viafb_refresh1 = active_dev.refresh1;
- if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
- viafb_SAMM_ON = active_dev.samm;
- viafb_primary_dev = active_dev.primary_dev;
-
- via_set_primary_address(0);
- via_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
- viafb_set_iga_path();
-}
-
static int get_primary_device(void)
{
int primary_device = 0;
@@ -1060,124 +927,6 @@ static int get_primary_device(void)
return primary_device;
}
-static void apply_second_mode_setting(struct fb_var_screeninfo
- *sec_var)
-{
- u32 htotal, vtotal, long_refresh;
-
- htotal = sec_var->xres + sec_var->left_margin +
- sec_var->right_margin + sec_var->hsync_len;
- vtotal = sec_var->yres + sec_var->upper_margin +
- sec_var->lower_margin + sec_var->vsync_len;
- if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
- /*Is 32 bytes alignment? */
- /*32 pixel alignment */
- sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
- }
-
- htotal = sec_var->xres + sec_var->left_margin +
- sec_var->right_margin + sec_var->hsync_len;
- vtotal = sec_var->yres + sec_var->upper_margin +
- sec_var->lower_margin + sec_var->vsync_len;
- long_refresh = 1000000000UL / sec_var->pixclock * 1000;
- long_refresh /= (htotal * vtotal);
-
- viafb_second_xres = sec_var->xres;
- viafb_second_yres = sec_var->yres;
- viafb_second_virtual_xres = sec_var->xres_virtual;
- viafb_second_virtual_yres = sec_var->yres_virtual;
- viafb_bpp1 = sec_var->bits_per_pixel;
- viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
- long_refresh);
-}
-
-static int apply_device_setting(struct viafb_ioctl_setting setting_info,
- struct fb_info *info)
-{
- int need_set_mode = 0;
- DEBUG_MSG(KERN_INFO "apply_device_setting\n");
-
- if (setting_info.device_flag) {
- need_set_mode = 1;
- check_available_device_to_enable(setting_info.device_status);
- }
-
- /* Unlock LCD's operation according to LCD flag
- and check if the setting value is valid. */
- /* If the value is valid, apply the new setting value to the device. */
- if (viafb_LCD_ON) {
- if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
- need_set_mode = 1;
- if (setting_info.lcd_attributes.display_center) {
- /* Centering */
- viaparinfo->lvds_setting_info->display_method =
- LCD_CENTERING;
- viafb_lcd_dsp_method = LCD_CENTERING;
- viaparinfo->lvds_setting_info2->display_method =
- viafb_lcd_dsp_method = LCD_CENTERING;
- } else {
- /* expandsion */
- viaparinfo->lvds_setting_info->display_method =
- LCD_EXPANDSION;
- viafb_lcd_dsp_method = LCD_EXPANDSION;
- viaparinfo->lvds_setting_info2->display_method =
- LCD_EXPANDSION;
- viafb_lcd_dsp_method = LCD_EXPANDSION;
- }
- }
-
- if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
- need_set_mode = 1;
- if (setting_info.lcd_attributes.lcd_mode ==
- LCD_SPWG) {
- viaparinfo->lvds_setting_info->lcd_mode =
- viafb_lcd_mode = LCD_SPWG;
- } else {
- viaparinfo->lvds_setting_info->lcd_mode =
- viafb_lcd_mode = LCD_OPENLDI;
- }
- viaparinfo->lvds_setting_info2->lcd_mode =
- viaparinfo->lvds_setting_info->lcd_mode;
- }
-
- if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
- need_set_mode = 1;
- if (setting_info.lcd_attributes.panel_id <=
- LCD_PANEL_ID_MAXIMUM) {
- viafb_lcd_panel_id =
- setting_info.lcd_attributes.panel_id;
- viafb_init_lcd_size();
- }
- }
- }
-
- if (0 != (setting_info.samm_status & OP_SAMM)) {
- setting_info.samm_status =
- setting_info.samm_status & (~OP_SAMM);
- if (setting_info.samm_status == 0
- || setting_info.samm_status == 1) {
- viafb_SAMM_ON = setting_info.samm_status;
-
- if (viafb_SAMM_ON)
- viafb_primary_dev = setting_info.primary_device;
-
- via_set_primary_address(0);
- via_set_secondary_address(viafb_SAMM_ON ?
- viafb_second_offset : 0);
- viafb_set_iga_path();
- }
- need_set_mode = 1;
- }
-
- if (!need_set_mode) {
- ;
- } else {
- viafb_set_iga_path();
- viafb_set_par(info);
- }
- return true;
-}
-
static void retrieve_device_setting(struct viafb_ioctl_setting
*setting_info)
{
@@ -1776,10 +1525,6 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
parse_lcd_port();
parse_dvi_port();
- /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
- if (!viafb_SAMM_ON)
- viafb_dual_fb = 0;
-
viafb_init_chip_info(vdev->chip_type);
/*
* The framebuffer will have been successfully mapped by
@@ -1823,30 +1568,13 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
parse_mode(viafb_mode1, &viafb_second_xres,
&viafb_second_yres);
- if (0 == viafb_second_virtual_xres) {
- switch (viafb_second_xres) {
- case 1400:
- viafb_second_virtual_xres = 1408;
- break;
- default:
- viafb_second_virtual_xres = viafb_second_xres;
- break;
- }
- }
- if (0 == viafb_second_virtual_yres)
- viafb_second_virtual_yres = viafb_second_yres;
+ viafb_second_virtual_xres = viafb_second_xres;
+ viafb_second_virtual_yres = viafb_second_yres;
}
default_var.xres = default_xres;
default_var.yres = default_yres;
- switch (default_xres) {
- case 1400:
- default_var.xres_virtual = 1408;
- break;
- default:
- default_var.xres_virtual = default_xres;
- break;
- }
+ default_var.xres_virtual = default_xres;
default_var.yres_virtual = default_yres;
default_var.bits_per_pixel = viafb_bpp;
default_var.pixclock =
diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index d31dc96f838a..85d76ec4c63e 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -726,7 +726,9 @@ static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_devi
/* Prepare startup mode */
+ kparam_block_sysfs_write(mode_option);
rc = fb_find_mode(&(info->var), info, mode_option, NULL, 0, NULL, 8);
+ kparam_unblock_sysfs_write(mode_option);
if (! ((rc == 1) || (rc == 2))) {
rc = -EINVAL;
dev_err(info->device, "mode %s not found\n", mode_option);
diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index e66b8b19ce5d..d8b12c32e3ef 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -858,9 +858,9 @@ unsigned long w100fb_gpio_read(int port)
void w100fb_gpio_write(int port, unsigned long value)
{
if (port==W100_GPIO_PORT_A)
- value = writel(value, remapped_regs + mmGPIO_DATA);
+ writel(value, remapped_regs + mmGPIO_DATA);
else
- value = writel(value, remapped_regs + mmGPIO_DATA2);
+ writel(value, remapped_regs + mmGPIO_DATA2);
}
EXPORT_SYMBOL(w100fb_gpio_read);
EXPORT_SYMBOL(w100fb_gpio_write);
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index fa97d3e7c21a..7c7f42a12796 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -684,7 +684,7 @@ static struct xenbus_driver xenfb_driver = {
static int __init xenfb_init(void)
{
- if (!xen_domain())
+ if (!xen_pv_domain())
return -ENODEV;
/* Nothing to do if running in dom0. */
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index 574dc54e12d4..0c9ce88e95e8 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -397,7 +397,7 @@ static int xilinxfb_release(struct device *dev)
*/
static int __devinit
-xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
+xilinxfb_of_probe(struct platform_device *op, const struct of_device_id *match)
{
const u32 *prop;
u32 *p;
@@ -477,7 +477,7 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match)
return -ENODEV;
}
-static int __devexit xilinxfb_of_remove(struct of_device *op)
+static int __devexit xilinxfb_of_remove(struct platform_device *op)
{
return xilinxfb_release(&op->dev);
}
@@ -485,6 +485,8 @@ static int __devexit xilinxfb_of_remove(struct of_device *op)
/* Match table for of_platform binding */
static struct of_device_id xilinxfb_of_match[] __devinitdata = {
{ .compatible = "xlnx,xps-tft-1.00.a", },
+ { .compatible = "xlnx,xps-tft-2.00.a", },
+ { .compatible = "xlnx,xps-tft-2.01.a", },
{ .compatible = "xlnx,plb-tft-cntlr-ref-1.00.a", },
{ .compatible = "xlnx,plb-dvi-cntlr-ref-1.00.c", },
{},
diff --git a/drivers/video/fsl-diu-fb.h b/include/linux/fsl-diu-fb.h
index fc295d7ea463..fc295d7ea463 100644
--- a/drivers/video/fsl-diu-fb.h
+++ b/include/linux/fsl-diu-fb.h