diff options
Diffstat (limited to 'drivers/video/fbdev')
93 files changed, 6438 insertions, 197 deletions
diff --git a/drivers/video/fbdev/68328fb.c b/drivers/video/fbdev/68328fb.c index c0c6b88d3839..d48e96088f76 100644 --- a/drivers/video/fbdev/68328fb.c +++ b/drivers/video/fbdev/68328fb.c @@ -72,7 +72,7 @@ static struct fb_var_screeninfo mc68x328fb_default __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo mc68x328fb_fix __initdata = { +static const struct fb_fix_screeninfo mc68x328fb_fix __initconst = { .id = "68328fb", .type = FB_TYPE_PACKED_PIXELS, .xpanstep = 1, diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 5c6696bb56da..5e58f5ec0a28 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2173,7 +2173,7 @@ config FB_PS3_DEFAULT_SIZE_M config FB_XILINX tristate "Xilinx frame buffer support" - depends on FB && (XILINX_VIRTEX || MICROBLAZE || ARCH_ZYNQ) + depends on FB && (XILINX_VIRTEX || MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c index ffc2c33c6cef..36d25190b48c 100644 --- a/drivers/video/fbdev/amba-clcd.c +++ b/drivers/video/fbdev/amba-clcd.c @@ -1035,7 +1035,7 @@ static struct clcd_vendor_data vendor_nomadik = { .init_panel = nomadik_clcd_init_panel, }; -static struct amba_id clcdfb_id_table[] = { +static const struct amba_id clcdfb_id_table[] = { { .id = 0x00041110, .mask = 0x000ffffe, diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c index 6a317de7082c..13ba371e70aa 100644 --- a/drivers/video/fbdev/arkfb.c +++ b/drivers/video/fbdev/arkfb.c @@ -1157,7 +1157,7 @@ fail: /* List of boards that we are trying to support */ -static struct pci_device_id ark_devices[] = { +static const struct pci_device_id ark_devices[] = { {PCI_DEVICE(0xEDD8, 0xA099)}, {0, 0, 0, 0, 0, 0, 0} }; diff --git a/drivers/video/fbdev/asiliantfb.c b/drivers/video/fbdev/asiliantfb.c index 91eea4583382..ea31054a28ca 100644 --- a/drivers/video/fbdev/asiliantfb.c +++ b/drivers/video/fbdev/asiliantfb.c @@ -592,7 +592,7 @@ static void asiliantfb_remove(struct pci_dev *dp) framebuffer_release(p); } -static struct pci_device_id asiliantfb_pci_tbl[] = { +static const struct pci_device_id asiliantfb_pci_tbl[] = { { PCI_VENDOR_ID_CT, PCI_DEVICE_ID_CT_69000, PCI_ANY_ID, PCI_ANY_ID }, { 0 } }; diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index 669ecc755fa9..e06358da4b99 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -320,7 +320,7 @@ static inline void atmel_lcdfb_power_control(struct atmel_lcdfb_info *sinfo, int } } -static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { +static const struct fb_fix_screeninfo atmel_lcdfb_fix __initconst = { .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .xpanstep = 0, diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c index fa07242a78d2..db18474607c9 100644 --- a/drivers/video/fbdev/aty/aty128fb.c +++ b/drivers/video/fbdev/aty/aty128fb.c @@ -116,7 +116,7 @@ static const struct fb_var_screeninfo default_var = { /* default modedb mode */ /* 640x480, 60 Hz, Non-Interlaced (25.172 MHz dotclock) */ -static struct fb_videomode defaultmode = { +static const struct fb_videomode defaultmode = { .refresh = 60, .xres = 640, .yres = 480, @@ -166,7 +166,7 @@ static int aty128_pci_resume(struct pci_dev *pdev); static int aty128_do_resume(struct pci_dev *pdev); /* supported Rage128 chipsets */ -static struct pci_device_id aty128_pci_tbl[] = { +static const struct pci_device_id aty128_pci_tbl[] = { { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RAGE128_LE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rage_M3_pci }, { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RAGE128_LF, diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c index b55fdac9c9f5..3ec72f19114b 100644 --- a/drivers/video/fbdev/aty/atyfb_base.c +++ b/drivers/video/fbdev/aty/atyfb_base.c @@ -274,7 +274,7 @@ static struct fb_var_screeninfo default_var = { 0, FB_VMODE_NONINTERLACED }; -static struct fb_videomode defmode = { +static const struct fb_videomode defmode = { /* 640x480 @ 60 Hz, 31.5 kHz hsync */ NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, 0, FB_VMODE_NONINTERLACED @@ -1855,7 +1855,7 @@ static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg) #if defined(DEBUG) && defined(CONFIG_FB_ATY_CT) case ATYIO_CLKR: if (M64_HAS(INTEGRATED)) { - struct atyclk clk; + struct atyclk clk = { 0 }; union aty_pll *pll = &par->pll; u32 dsp_config = pll->ct.dsp_config; u32 dsp_on_off = pll->ct.dsp_on_off; @@ -3756,7 +3756,7 @@ static void atyfb_pci_remove(struct pci_dev *pdev) atyfb_remove(info); } -static struct pci_device_id atyfb_pci_tbl[] = { +static const struct pci_device_id atyfb_pci_tbl[] = { #ifdef CONFIG_FB_ATY_GX { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_CHIP_MACH64GX) }, { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_CHIP_MACH64CX) }, diff --git a/drivers/video/fbdev/aty/radeon_base.c b/drivers/video/fbdev/aty/radeon_base.c index 6b4c7872b375..1e2ec360f8c1 100644 --- a/drivers/video/fbdev/aty/radeon_base.c +++ b/drivers/video/fbdev/aty/radeon_base.c @@ -96,7 +96,7 @@ #define CHIP_DEF(id, family, flags) \ { PCI_VENDOR_ID_ATI, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (flags) | (CHIP_FAMILY_##family) } -static struct pci_device_id radeonfb_pci_table[] = { +static const struct pci_device_id radeonfb_pci_table[] = { /* Radeon Xpress 200m */ CHIP_DEF(PCI_CHIP_RS480_5955, RS480, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY), CHIP_DEF(PCI_CHIP_RS482_5975, RS480, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY), @@ -2241,7 +2241,7 @@ static ssize_t radeon_show_edid2(struct file *filp, struct kobject *kobj, return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID); } -static struct bin_attribute edid1_attr = { +static const struct bin_attribute edid1_attr = { .attr = { .name = "edid1", .mode = 0444, @@ -2250,7 +2250,7 @@ static struct bin_attribute edid1_attr = { .read = radeon_show_edid1, }; -static struct bin_attribute edid2_attr = { +static const struct bin_attribute edid2_attr = { .attr = { .name = "edid2", .mode = 0444, diff --git a/drivers/video/fbdev/bfin-lq035q1-fb.c b/drivers/video/fbdev/bfin-lq035q1-fb.c index b594a58ff21d..b459354ad940 100644 --- a/drivers/video/fbdev/bfin-lq035q1-fb.c +++ b/drivers/video/fbdev/bfin-lq035q1-fb.c @@ -841,7 +841,7 @@ static int bfin_lq035q1_resume(struct device *dev) return 0; } -static struct dev_pm_ops bfin_lq035q1_dev_pm_ops = { +static const struct dev_pm_ops bfin_lq035q1_dev_pm_ops = { .suspend = bfin_lq035q1_suspend, .resume = bfin_lq035q1_resume, }; diff --git a/drivers/video/fbdev/bw2.c b/drivers/video/fbdev/bw2.c index 8c5b281f0b29..7aa972072357 100644 --- a/drivers/video/fbdev/bw2.c +++ b/drivers/video/fbdev/bw2.c @@ -333,8 +333,8 @@ static int bw2_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: bwtwo at %lx:%lx\n", - dp->full_name, par->which_io, info->fix.smem_start); + printk(KERN_INFO "%pOF: bwtwo at %lx:%lx\n", + dp, par->which_io, info->fix.smem_start); return 0; diff --git a/drivers/video/fbdev/cg14.c b/drivers/video/fbdev/cg14.c index 43e915eaf606..8de88b129b62 100644 --- a/drivers/video/fbdev/cg14.c +++ b/drivers/video/fbdev/cg14.c @@ -553,8 +553,8 @@ static int cg14_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: cgfourteen at %lx:%lx, %dMB\n", - dp->full_name, + printk(KERN_INFO "%pOF: cgfourteen at %lx:%lx, %dMB\n", + dp, par->iospace, info->fix.smem_start, par->ramsize >> 20); diff --git a/drivers/video/fbdev/cg3.c b/drivers/video/fbdev/cg3.c index 716391f22e75..6c334260cf53 100644 --- a/drivers/video/fbdev/cg3.c +++ b/drivers/video/fbdev/cg3.c @@ -412,8 +412,8 @@ static int cg3_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: cg3 at %lx:%lx\n", - dp->full_name, par->which_io, info->fix.smem_start); + printk(KERN_INFO "%pOF: cg3 at %lx:%lx\n", + dp, par->which_io, info->fix.smem_start); return 0; diff --git a/drivers/video/fbdev/cg6.c b/drivers/video/fbdev/cg6.c index bdf901ed5291..0296c21acc78 100644 --- a/drivers/video/fbdev/cg6.c +++ b/drivers/video/fbdev/cg6.c @@ -810,8 +810,8 @@ static int cg6_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: CGsix [%s] at %lx:%lx\n", - dp->full_name, info->fix.id, + printk(KERN_INFO "%pOF: CGsix [%s] at %lx:%lx\n", + dp, info->fix.id, par->which_io, info->fix.smem_start); return 0; diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c index 59abdc6a97f6..f103665cad43 100644 --- a/drivers/video/fbdev/chipsfb.c +++ b/drivers/video/fbdev/chipsfb.c @@ -292,7 +292,7 @@ static void chips_hw_init(void) write_fr(chips_init_fr[i].addr, chips_init_fr[i].data); } -static struct fb_fix_screeninfo chipsfb_fix = { +static const struct fb_fix_screeninfo chipsfb_fix = { .id = "C&T 65550", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, @@ -309,7 +309,7 @@ static struct fb_fix_screeninfo chipsfb_fix = { .smem_len = 0x100000, /* 1MB */ }; -static struct fb_var_screeninfo chipsfb_var = { +static const struct fb_var_screeninfo chipsfb_var = { .xres = 800, .yres = 600, .xres_virtual = 800, diff --git a/drivers/video/fbdev/cobalt_lcdfb.c b/drivers/video/fbdev/cobalt_lcdfb.c index 9da90bd242f4..0ef633e278a1 100644 --- a/drivers/video/fbdev/cobalt_lcdfb.c +++ b/drivers/video/fbdev/cobalt_lcdfb.c @@ -126,7 +126,7 @@ static void lcd_clear(struct fb_info *info) lcd_write_control(info, LCD_RESET); } -static struct fb_fix_screeninfo cobalt_lcdfb_fix = { +static const struct fb_fix_screeninfo cobalt_lcdfb_fix = { .id = "cobalt-lcd", .type = FB_TYPE_TEXT, .type_aux = FB_AUX_TEXT_MDA, diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile index 9e3ddf225393..73493bbd7a15 100644 --- a/drivers/video/fbdev/core/Makefile +++ b/drivers/video/fbdev/core/Makefile @@ -4,6 +4,20 @@ obj-$(CONFIG_FB) += fb.o fb-y := fbmem.o fbmon.o fbcmap.o fbsysfs.o \ modedb.o fbcvt.o fb-$(CONFIG_FB_DEFERRED_IO) += fb_defio.o + +ifeq ($(CONFIG_FRAMEBUFFER_CONSOLE),y) +fb-y += fbcon.o bitblit.o softcursor.o +ifeq ($(CONFIG_FB_TILEBLITTING),y) +fb-y += tileblit.o +endif +ifeq ($(CONFIG_FRAMEBUFFER_CONSOLE_ROTATION),y) +fb-y += fbcon_rotate.o fbcon_cw.o fbcon_ud.o \ + fbcon_ccw.o +endif +ifeq ($(CONFIG_DMI),y) +fb-y += fbcon_dmi_quirks.o +endif +endif fb-objs := $(fb-y) obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o diff --git a/drivers/video/fbdev/core/bitblit.c b/drivers/video/fbdev/core/bitblit.c new file mode 100644 index 000000000000..790900d646c0 --- /dev/null +++ b/drivers/video/fbdev/core/bitblit.c @@ -0,0 +1,418 @@ +/* + * linux/drivers/video/console/bitblit.c -- BitBlitting Operation + * + * Originally from the 'accel_*' routines in drivers/video/console/fbcon.c + * + * Copyright (C) 2004 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" + +/* + * Accelerated handlers. + */ +static void update_attr(u8 *dst, u8 *src, int attribute, + struct vc_data *vc) +{ + int i, offset = (vc->vc_font.height < 10) ? 1 : 2; + int width = DIV_ROUND_UP(vc->vc_font.width, 8); + unsigned int cellsize = vc->vc_font.height * width; + u8 c; + + offset = cellsize - (offset * width); + for (i = 0; i < cellsize; i++) { + c = src[i]; + if (attribute & FBCON_ATTRIBUTE_UNDERLINE && i >= offset) + c = 0xff; + if (attribute & FBCON_ATTRIBUTE_BOLD) + c |= c >> 1; + if (attribute & FBCON_ATTRIBUTE_REVERSE) + c = ~c; + dst[i] = c; + } +} + +static void bit_bmove(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width) +{ + struct fb_copyarea area; + + area.sx = sx * vc->vc_font.width; + area.sy = sy * vc->vc_font.height; + area.dx = dx * vc->vc_font.width; + area.dy = dy * vc->vc_font.height; + area.height = height * vc->vc_font.height; + area.width = width * vc->vc_font.width; + + info->fbops->fb_copyarea(info, &area); +} + +static void bit_clear(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width) +{ + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; + struct fb_fillrect region; + + region.color = attr_bgcol_ec(bgshift, vc, info); + region.dx = sx * vc->vc_font.width; + region.dy = sy * vc->vc_font.height; + region.width = width * vc->vc_font.width; + region.height = height * vc->vc_font.height; + region.rop = ROP_COPY; + + info->fbops->fb_fillrect(info, ®ion); +} + +static inline void bit_putcs_aligned(struct vc_data *vc, struct fb_info *info, + const u16 *s, u32 attr, u32 cnt, + u32 d_pitch, u32 s_pitch, u32 cellsize, + struct fb_image *image, u8 *buf, u8 *dst) +{ + u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + u32 idx = vc->vc_font.width >> 3; + u8 *src; + + while (cnt--) { + src = vc->vc_font.data + (scr_readw(s++)& + charmask)*cellsize; + + if (attr) { + update_attr(buf, src, attr, vc); + src = buf; + } + + if (likely(idx == 1)) + __fb_pad_aligned_buffer(dst, d_pitch, src, idx, + image->height); + else + fb_pad_aligned_buffer(dst, d_pitch, src, idx, + image->height); + + dst += s_pitch; + } + + info->fbops->fb_imageblit(info, image); +} + +static inline void bit_putcs_unaligned(struct vc_data *vc, + struct fb_info *info, const u16 *s, + u32 attr, u32 cnt, u32 d_pitch, + u32 s_pitch, u32 cellsize, + struct fb_image *image, u8 *buf, + u8 *dst) +{ + u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + u32 shift_low = 0, mod = vc->vc_font.width % 8; + u32 shift_high = 8; + u32 idx = vc->vc_font.width >> 3; + u8 *src; + + while (cnt--) { + src = vc->vc_font.data + (scr_readw(s++)& + charmask)*cellsize; + + if (attr) { + update_attr(buf, src, attr, vc); + src = buf; + } + + fb_pad_unaligned_buffer(dst, d_pitch, src, idx, + image->height, shift_high, + shift_low, mod); + shift_low += mod; + dst += (shift_low >= 8) ? s_pitch : s_pitch - 1; + shift_low &= 7; + shift_high = 8 - shift_low; + } + + info->fbops->fb_imageblit(info, image); + +} + +static void bit_putcs(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg) +{ + struct fb_image image; + u32 width = DIV_ROUND_UP(vc->vc_font.width, 8); + u32 cellsize = width * vc->vc_font.height; + u32 maxcnt = info->pixmap.size/cellsize; + u32 scan_align = info->pixmap.scan_align - 1; + u32 buf_align = info->pixmap.buf_align - 1; + u32 mod = vc->vc_font.width % 8, cnt, pitch, size; + u32 attribute = get_attribute(info, scr_readw(s)); + u8 *dst, *buf = NULL; + + image.fg_color = fg; + image.bg_color = bg; + image.dx = xx * vc->vc_font.width; + image.dy = yy * vc->vc_font.height; + image.height = vc->vc_font.height; + image.depth = 1; + + if (attribute) { + buf = kmalloc(cellsize, GFP_ATOMIC); + if (!buf) + return; + } + + while (count) { + if (count > maxcnt) + cnt = maxcnt; + else + cnt = count; + + image.width = vc->vc_font.width * cnt; + pitch = DIV_ROUND_UP(image.width, 8) + scan_align; + pitch &= ~scan_align; + size = pitch * image.height + buf_align; + size &= ~buf_align; + dst = fb_get_buffer_offset(info, &info->pixmap, size); + image.data = dst; + + if (!mod) + bit_putcs_aligned(vc, info, s, attribute, cnt, pitch, + width, cellsize, &image, buf, dst); + else + bit_putcs_unaligned(vc, info, s, attribute, cnt, + pitch, width, cellsize, &image, + buf, dst); + + image.dx += cnt * vc->vc_font.width; + count -= cnt; + s += cnt; + } + + /* buf is always NULL except when in monochrome mode, so in this case + it's a gain to check buf against NULL even though kfree() handles + NULL pointers just fine */ + if (unlikely(buf)) + kfree(buf); + +} + +static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, + int color, int bottom_only) +{ + unsigned int cw = vc->vc_font.width; + unsigned int ch = vc->vc_font.height; + unsigned int rw = info->var.xres - (vc->vc_cols*cw); + unsigned int bh = info->var.yres - (vc->vc_rows*ch); + unsigned int rs = info->var.xres - rw; + unsigned int bs = info->var.yres - bh; + struct fb_fillrect region; + + region.color = color; + region.rop = ROP_COPY; + + if (rw && !bottom_only) { + region.dx = info->var.xoffset + rs; + region.dy = 0; + region.width = rw; + region.height = info->var.yres_virtual; + info->fbops->fb_fillrect(info, ®ion); + } + + if (bh) { + region.dx = info->var.xoffset; + region.dy = info->var.yoffset + bs; + region.width = rs; + region.height = bh; + info->fbops->fb_fillrect(info, ®ion); + } +} + +static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) +{ + struct fb_cursor cursor; + struct fbcon_ops *ops = info->fbcon_par; + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + int w = DIV_ROUND_UP(vc->vc_font.width, 8), c; + int y = real_y(ops->p, vc->vc_y); + int attribute, use_sw = (vc->vc_cursor_type & 0x10); + int err = 1; + char *src; + + cursor.set = 0; + + if (softback_lines) { + if (y + softback_lines >= vc->vc_rows) { + mode = CM_ERASE; + ops->cursor_flash = 0; + return; + } else + y += softback_lines; + } + + c = scr_readw((u16 *) vc->vc_pos); + attribute = get_attribute(info, c); + src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height)); + + if (ops->cursor_state.image.data != src || + ops->cursor_reset) { + ops->cursor_state.image.data = src; + cursor.set |= FB_CUR_SETIMAGE; + } + + if (attribute) { + u8 *dst; + + dst = kmalloc(w * vc->vc_font.height, GFP_ATOMIC); + if (!dst) + return; + kfree(ops->cursor_data); + ops->cursor_data = dst; + update_attr(dst, src, attribute, vc); + src = dst; + } + + if (ops->cursor_state.image.fg_color != fg || + ops->cursor_state.image.bg_color != bg || + ops->cursor_reset) { + ops->cursor_state.image.fg_color = fg; + ops->cursor_state.image.bg_color = bg; + cursor.set |= FB_CUR_SETCMAP; + } + + if ((ops->cursor_state.image.dx != (vc->vc_font.width * vc->vc_x)) || + (ops->cursor_state.image.dy != (vc->vc_font.height * y)) || + ops->cursor_reset) { + ops->cursor_state.image.dx = vc->vc_font.width * vc->vc_x; + ops->cursor_state.image.dy = vc->vc_font.height * y; + cursor.set |= FB_CUR_SETPOS; + } + + if (ops->cursor_state.image.height != vc->vc_font.height || + ops->cursor_state.image.width != vc->vc_font.width || + ops->cursor_reset) { + ops->cursor_state.image.height = vc->vc_font.height; + ops->cursor_state.image.width = vc->vc_font.width; + cursor.set |= FB_CUR_SETSIZE; + } + + if (ops->cursor_state.hot.x || ops->cursor_state.hot.y || + ops->cursor_reset) { + ops->cursor_state.hot.x = cursor.hot.y = 0; + cursor.set |= FB_CUR_SETHOT; + } + + if (cursor.set & FB_CUR_SETSIZE || + vc->vc_cursor_type != ops->p->cursor_shape || + ops->cursor_state.mask == NULL || + ops->cursor_reset) { + char *mask = kmalloc(w*vc->vc_font.height, GFP_ATOMIC); + int cur_height, size, i = 0; + u8 msk = 0xff; + + if (!mask) + return; + + kfree(ops->cursor_state.mask); + ops->cursor_state.mask = mask; + + ops->p->cursor_shape = vc->vc_cursor_type; + cursor.set |= FB_CUR_SETSHAPE; + + switch (ops->p->cursor_shape & CUR_HWMASK) { + case CUR_NONE: + cur_height = 0; + break; + case CUR_UNDERLINE: + cur_height = (vc->vc_font.height < 10) ? 1 : 2; + break; + case CUR_LOWER_THIRD: + cur_height = vc->vc_font.height/3; + break; + case CUR_LOWER_HALF: + cur_height = vc->vc_font.height >> 1; + break; + case CUR_TWO_THIRDS: + cur_height = (vc->vc_font.height << 1)/3; + break; + case CUR_BLOCK: + default: + cur_height = vc->vc_font.height; + break; + } + size = (vc->vc_font.height - cur_height) * w; + while (size--) + mask[i++] = ~msk; + size = cur_height * w; + while (size--) + mask[i++] = msk; + } + + switch (mode) { + case CM_ERASE: + ops->cursor_state.enable = 0; + break; + case CM_DRAW: + case CM_MOVE: + default: + ops->cursor_state.enable = (use_sw) ? 0 : 1; + break; + } + + cursor.image.data = src; + cursor.image.fg_color = ops->cursor_state.image.fg_color; + cursor.image.bg_color = ops->cursor_state.image.bg_color; + cursor.image.dx = ops->cursor_state.image.dx; + cursor.image.dy = ops->cursor_state.image.dy; + cursor.image.height = ops->cursor_state.image.height; + cursor.image.width = ops->cursor_state.image.width; + cursor.hot.x = ops->cursor_state.hot.x; + cursor.hot.y = ops->cursor_state.hot.y; + cursor.mask = ops->cursor_state.mask; + cursor.enable = ops->cursor_state.enable; + cursor.image.depth = 1; + cursor.rop = ROP_XOR; + + if (info->fbops->fb_cursor) + err = info->fbops->fb_cursor(info, &cursor); + + if (err) + soft_cursor(info, &cursor); + + ops->cursor_reset = 0; +} + +static int bit_update_start(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + int err; + + err = fb_pan_display(info, &ops->var); + ops->var.xoffset = info->var.xoffset; + ops->var.yoffset = info->var.yoffset; + ops->var.vmode = info->var.vmode; + return err; +} + +void fbcon_set_bitops(struct fbcon_ops *ops) +{ + ops->bmove = bit_bmove; + ops->clear = bit_clear; + ops->putcs = bit_putcs; + ops->clear_margins = bit_clear_margins; + ops->cursor = bit_cursor; + ops->update_start = bit_update_start; + ops->rotate_font = NULL; + + if (ops->rotate) + fbcon_set_rotate(ops); +} + +EXPORT_SYMBOL(fbcon_set_bitops); + diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 37f69c061210..487d5e336e1b 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -69,7 +69,7 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy { struct fb_info *info = file->private_data; struct inode *inode = file_inode(file); - int err = filemap_write_and_wait_range(inode->i_mapping, start, end); + int err = file_write_and_wait_range(file, start, end); if (err) return err; diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c new file mode 100644 index 000000000000..04612f938bab --- /dev/null +++ b/drivers/video/fbdev/core/fbcon.c @@ -0,0 +1,3672 @@ +/* + * linux/drivers/video/fbcon.c -- Low level frame buffer based console driver + * + * Copyright (C) 1995 Geert Uytterhoeven + * + * + * This file is based on the original Amiga console driver (amicon.c): + * + * Copyright (C) 1993 Hamish Macdonald + * Greg Harp + * Copyright (C) 1994 David Carter [carter@compsci.bristol.ac.uk] + * + * with work by William Rucklidge (wjr@cs.cornell.edu) + * Geert Uytterhoeven + * Jes Sorensen (jds@kom.auc.dk) + * Martin Apel + * + * and on the original Atari console driver (atacon.c): + * + * Copyright (C) 1993 Bjoern Brauel + * Roman Hodek + * + * with work by Guenther Kelleter + * Martin Schaller + * Andreas Schwab + * + * Hardware cursor support added by Emmanuel Marty (core@ggi-project.org) + * Smart redraw scrolling, arbitrary font width support, 512char font support + * and software scrollback added by + * Jakub Jelinek (jj@ultra.linux.cz) + * + * Random hacking by Martin Mares <mj@ucw.cz> + * + * 2001 - Documented with DocBook + * - Brad Douglas <brad@neruo.com> + * + * The low level operations for the various display memory organizations are + * now in separate source files. + * + * Currently the following organizations are supported: + * + * o afb Amiga bitplanes + * o cfb{2,4,8,16,24,32} Packed pixels + * o ilbm Amiga interleaved bitplanes + * o iplan2p[248] Atari interleaved bitplanes + * o mfb Monochrome + * o vga VGA characters/attributes + * + * To do: + * + * - Implement 16 plane mode (iplan2p16) + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#undef FBCONDEBUG + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/kernel.h> +#include <linux/delay.h> /* MSch: for IRQ probe */ +#include <linux/console.h> +#include <linux/string.h> +#include <linux/kd.h> +#include <linux/slab.h> +#include <linux/fb.h> +#include <linux/fbcon.h> +#include <linux/vt_kern.h> +#include <linux/selection.h> +#include <linux/font.h> +#include <linux/smp.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/crc32.h> /* For counting font checksums */ +#include <asm/fb.h> +#include <asm/irq.h> + +#include "fbcon.h" + +#ifdef FBCONDEBUG +# define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__ , ## args) +#else +# define DPRINTK(fmt, args...) +#endif + +enum { + FBCON_LOGO_CANSHOW = -1, /* the logo can be shown */ + FBCON_LOGO_DRAW = -2, /* draw the logo to a console */ + FBCON_LOGO_DONTSHOW = -3 /* do not show the logo */ +}; + +static struct display fb_display[MAX_NR_CONSOLES]; + +static signed char con2fb_map[MAX_NR_CONSOLES]; +static signed char con2fb_map_boot[MAX_NR_CONSOLES]; + +static int logo_lines; +/* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO + enums. */ +static int logo_shown = FBCON_LOGO_CANSHOW; +/* Software scrollback */ +static int fbcon_softback_size = 32768; +static unsigned long softback_buf, softback_curr; +static unsigned long softback_in; +static unsigned long softback_top, softback_end; +static int softback_lines; +/* console mappings */ +static int first_fb_vc; +static int last_fb_vc = MAX_NR_CONSOLES - 1; +static int fbcon_is_default = 1; +static int fbcon_has_exited; +static int primary_device = -1; +static int fbcon_has_console_bind; + +#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY +static int map_override; + +static inline void fbcon_map_override(void) +{ + map_override = 1; +} +#else +static inline void fbcon_map_override(void) +{ +} +#endif /* CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY */ + +/* font data */ +static char fontname[40]; + +/* current fb_info */ +static int info_idx = -1; + +/* console rotation */ +static int initial_rotation = -1; +static int fbcon_has_sysfs; +static int margin_color; + +static const struct consw fb_con; + +#define CM_SOFTBACK (8) + +#define advance_row(p, delta) (unsigned short *)((unsigned long)(p) + (delta) * vc->vc_size_row) + +static int fbcon_set_origin(struct vc_data *); + +static int fbcon_cursor_noblink; + +#define divides(a, b) ((!(a) || (b)%(a)) ? 0 : 1) + +/* + * Interface used by the world + */ + +static const char *fbcon_startup(void); +static void fbcon_init(struct vc_data *vc, int init); +static void fbcon_deinit(struct vc_data *vc); +static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height, + int width); +static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos); +static void fbcon_putcs(struct vc_data *vc, const unsigned short *s, + int count, int ypos, int xpos); +static void fbcon_clear_margins(struct vc_data *vc, int bottom_only); +static void fbcon_cursor(struct vc_data *vc, int mode); +static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, + int height, int width); +static int fbcon_switch(struct vc_data *vc); +static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch); +static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table); + +/* + * Internal routines + */ +static __inline__ void ywrap_up(struct vc_data *vc, int count); +static __inline__ void ywrap_down(struct vc_data *vc, int count); +static __inline__ void ypan_up(struct vc_data *vc, int count); +static __inline__ void ypan_down(struct vc_data *vc, int count); +static void fbcon_bmove_rec(struct vc_data *vc, struct display *p, int sy, int sx, + int dy, int dx, int height, int width, u_int y_break); +static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var, + int unit); +static void fbcon_redraw_move(struct vc_data *vc, struct display *p, + int line, int count, int dy); +static void fbcon_modechanged(struct fb_info *info); +static void fbcon_set_all_vcs(struct fb_info *info); +static void fbcon_start(void); +static void fbcon_exit(void); +static struct device *fbcon_device; + +#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION +static inline void fbcon_set_rotation(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + if (!(info->flags & FBINFO_MISC_TILEBLITTING) && + ops->p->con_rotate < 4) + ops->rotate = ops->p->con_rotate; + else + ops->rotate = 0; +} + +static void fbcon_rotate(struct fb_info *info, u32 rotate) +{ + struct fbcon_ops *ops= info->fbcon_par; + struct fb_info *fb_info; + + if (!ops || ops->currcon == -1) + return; + + fb_info = registered_fb[con2fb_map[ops->currcon]]; + + if (info == fb_info) { + struct display *p = &fb_display[ops->currcon]; + + if (rotate < 4) + p->con_rotate = rotate; + else + p->con_rotate = 0; + + fbcon_modechanged(info); + } +} + +static void fbcon_rotate_all(struct fb_info *info, u32 rotate) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct vc_data *vc; + struct display *p; + int i; + + if (!ops || ops->currcon < 0 || rotate > 3) + return; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + vc = vc_cons[i].d; + if (!vc || vc->vc_mode != KD_TEXT || + registered_fb[con2fb_map[i]] != info) + continue; + + p = &fb_display[vc->vc_num]; + p->con_rotate = rotate; + } + + fbcon_set_all_vcs(info); +} +#else +static inline void fbcon_set_rotation(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + ops->rotate = FB_ROTATE_UR; +} + +static void fbcon_rotate(struct fb_info *info, u32 rotate) +{ + return; +} + +static void fbcon_rotate_all(struct fb_info *info, u32 rotate) +{ + return; +} +#endif /* CONFIG_FRAMEBUFFER_CONSOLE_ROTATION */ + +static int fbcon_get_rotate(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + return (ops) ? ops->rotate : 0; +} + +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) && + !vt_force_oops_output(vc); +} + +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); + int color = 0; + + if (console_blanked) { + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + + c = vc->vc_video_erase_char & charmask; + } + + if (depth != 1) + color = (is_fg) ? attr_fgcol((vc->vc_hi_font_mask) ? 9 : 8, c) + : attr_bgcol((vc->vc_hi_font_mask) ? 13 : 12, c); + + switch (depth) { + case 1: + { + int col = mono_col(info); + /* 0 or 1 */ + int fg = (info->fix.visual != FB_VISUAL_MONO01) ? col : 0; + int bg = (info->fix.visual != FB_VISUAL_MONO01) ? 0 : col; + + if (console_blanked) + fg = bg; + + color = (is_fg) ? fg : bg; + break; + } + case 2: + /* + * Scale down 16-colors to 4 colors. Default 4-color palette + * is grayscale. However, simply dividing the values by 4 + * will not work, as colors 1, 2 and 3 will be scaled-down + * to zero rendering them invisible. So empirically convert + * colors to a sane 4-level grayscale. + */ + switch (color) { + case 0: + color = 0; /* black */ + break; + case 1 ... 6: + color = 2; /* white */ + break; + case 7 ... 8: + color = 1; /* gray */ + break; + default: + color = 3; /* intense white */ + break; + } + break; + case 3: + /* + * Last 8 entries of default 16-color palette is a more intense + * version of the first 8 (i.e., same chrominance, different + * luminance). + */ + color &= 7; + break; + } + + + return color; +} + +static void fbcon_update_softback(struct vc_data *vc) +{ + int l = fbcon_softback_size / vc->vc_size_row; + + if (l > 5) + softback_end = softback_buf + l * vc->vc_size_row; + else + /* Smaller scrollback makes no sense, and 0 would screw + the operation totally */ + softback_top = 0; +} + +static void fb_flashcursor(struct work_struct *work) +{ + struct fb_info *info = container_of(work, struct fb_info, queue); + struct fbcon_ops *ops = info->fbcon_par; + struct vc_data *vc = NULL; + int c; + int mode; + int ret; + + /* FIXME: we should sort out the unbind locking instead */ + /* instead we just fail to flash the cursor if we can't get + * the lock instead of blocking fbcon deinit */ + ret = console_trylock(); + if (ret == 0) + return; + + if (ops && ops->currcon != -1) + vc = vc_cons[ops->currcon].d; + + if (!vc || !con_is_visible(vc) || + registered_fb[con2fb_map[vc->vc_num]] != info || + vc->vc_deccm != 1) { + console_unlock(); + return; + } + + c = scr_readw((u16 *) vc->vc_pos); + mode = (!ops->cursor_flash || ops->cursor_state.enable) ? + CM_ERASE : CM_DRAW; + ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1), + get_color(vc, info, c, 0)); + console_unlock(); +} + +static void cursor_timer_handler(unsigned long dev_addr) +{ + struct fb_info *info = (struct fb_info *) dev_addr; + struct fbcon_ops *ops = info->fbcon_par; + + queue_work(system_power_efficient_wq, &info->queue); + mod_timer(&ops->cursor_timer, jiffies + ops->cur_blink_jiffies); +} + +static void fbcon_add_cursor_timer(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + if ((!info->queue.func || info->queue.func == fb_flashcursor) && + !(ops->flags & FBCON_FLAGS_CURSOR_TIMER) && + !fbcon_cursor_noblink) { + if (!info->queue.func) + INIT_WORK(&info->queue, fb_flashcursor); + + setup_timer(&ops->cursor_timer, cursor_timer_handler, + (unsigned long) info); + mod_timer(&ops->cursor_timer, jiffies + ops->cur_blink_jiffies); + ops->flags |= FBCON_FLAGS_CURSOR_TIMER; + } +} + +static void fbcon_del_cursor_timer(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + if (info->queue.func == fb_flashcursor && + ops->flags & FBCON_FLAGS_CURSOR_TIMER) { + del_timer_sync(&ops->cursor_timer); + ops->flags &= ~FBCON_FLAGS_CURSOR_TIMER; + } +} + +#ifndef MODULE +static int __init fb_console_setup(char *this_opt) +{ + char *options; + int i, j; + + if (!this_opt || !*this_opt) + return 1; + + while ((options = strsep(&this_opt, ",")) != NULL) { + if (!strncmp(options, "font:", 5)) { + strlcpy(fontname, options + 5, sizeof(fontname)); + continue; + } + + if (!strncmp(options, "scrollback:", 11)) { + options += 11; + if (*options) { + fbcon_softback_size = simple_strtoul(options, &options, 0); + if (*options == 'k' || *options == 'K') { + fbcon_softback_size *= 1024; + } + } + continue; + } + + if (!strncmp(options, "map:", 4)) { + options += 4; + if (*options) { + for (i = 0, j = 0; i < MAX_NR_CONSOLES; i++) { + if (!options[j]) + j = 0; + con2fb_map_boot[i] = + (options[j++]-'0') % FB_MAX; + } + + fbcon_map_override(); + } + continue; + } + + if (!strncmp(options, "vc:", 3)) { + options += 3; + if (*options) + first_fb_vc = simple_strtoul(options, &options, 10) - 1; + if (first_fb_vc < 0) + first_fb_vc = 0; + if (*options++ == '-') + last_fb_vc = simple_strtoul(options, &options, 10) - 1; + fbcon_is_default = 0; + continue; + } + + if (!strncmp(options, "rotate:", 7)) { + options += 7; + if (*options) + initial_rotation = simple_strtoul(options, &options, 0); + if (initial_rotation > 3) + initial_rotation = 0; + continue; + } + + if (!strncmp(options, "margin:", 7)) { + options += 7; + if (*options) + margin_color = simple_strtoul(options, &options, 0); + continue; + } + } + return 1; +} + +__setup("fbcon=", fb_console_setup); +#endif + +static int search_fb_in_map(int idx) +{ + int i, retval = 0; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] == idx) + retval = 1; + } + return retval; +} + +static int search_for_mapped_con(void) +{ + int i, retval = 0; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] != -1) + retval = 1; + } + return retval; +} + +static int do_fbcon_takeover(int show_logo) +{ + int err, i; + + if (!num_registered_fb) + return -ENODEV; + + if (!show_logo) + logo_shown = FBCON_LOGO_DONTSHOW; + + for (i = first_fb_vc; i <= last_fb_vc; i++) + con2fb_map[i] = info_idx; + + err = do_take_over_console(&fb_con, first_fb_vc, last_fb_vc, + fbcon_is_default); + + if (err) { + for (i = first_fb_vc; i <= last_fb_vc; i++) + con2fb_map[i] = -1; + info_idx = -1; + } else { + fbcon_has_console_bind = 1; + } + + return err; +} + +#ifdef MODULE +static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, + int cols, int rows, int new_cols, int new_rows) +{ + logo_shown = FBCON_LOGO_DONTSHOW; +} +#else +static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, + int cols, int rows, int new_cols, int new_rows) +{ + /* Need to make room for the logo */ + struct fbcon_ops *ops = info->fbcon_par; + int cnt, erase = vc->vc_video_erase_char, step; + unsigned short *save = NULL, *r, *q; + int logo_height; + + if (info->fbops->owner) { + logo_shown = FBCON_LOGO_DONTSHOW; + return; + } + + /* + * remove underline attribute from erase character + * if black and white framebuffer. + */ + if (fb_get_color_depth(&info->var, &info->fix) == 1) + erase &= ~0x400; + logo_height = fb_prepare_logo(info, ops->rotate); + logo_lines = DIV_ROUND_UP(logo_height, vc->vc_font.height); + q = (unsigned short *) (vc->vc_origin + + vc->vc_size_row * rows); + step = logo_lines * cols; + for (r = q - logo_lines * cols; r < q; r++) + if (scr_readw(r) != vc->vc_video_erase_char) + break; + if (r != q && new_rows >= rows + logo_lines) { + save = kmalloc(logo_lines * new_cols * 2, GFP_KERNEL); + if (save) { + int i = cols < new_cols ? cols : new_cols; + scr_memsetw(save, erase, logo_lines * new_cols * 2); + r = q - step; + for (cnt = 0; cnt < logo_lines; cnt++, r += i) + scr_memcpyw(save + cnt * new_cols, r, 2 * i); + r = q; + } + } + if (r == q) { + /* We can scroll screen down */ + r = q - step - cols; + for (cnt = rows - logo_lines; cnt > 0; cnt--) { + scr_memcpyw(r + step, r, vc->vc_size_row); + r -= cols; + } + if (!save) { + int lines; + if (vc->vc_y + logo_lines >= rows) + lines = rows - vc->vc_y - 1; + else + lines = logo_lines; + vc->vc_y += lines; + vc->vc_pos += lines * vc->vc_size_row; + } + } + scr_memsetw((unsigned short *) vc->vc_origin, + erase, + vc->vc_size_row * logo_lines); + + if (con_is_visible(vc) && vc->vc_mode == KD_TEXT) { + fbcon_clear_margins(vc, 0); + update_screen(vc); + } + + if (save) { + q = (unsigned short *) (vc->vc_origin + + vc->vc_size_row * + rows); + scr_memcpyw(q, save, logo_lines * new_cols * 2); + vc->vc_y += logo_lines; + vc->vc_pos += logo_lines * vc->vc_size_row; + kfree(save); + } + + if (logo_lines > vc->vc_bottom) { + logo_shown = FBCON_LOGO_CANSHOW; + printk(KERN_INFO + "fbcon_init: disable boot-logo (boot-logo bigger than screen).\n"); + } else if (logo_shown != FBCON_LOGO_DONTSHOW) { + logo_shown = FBCON_LOGO_DRAW; + vc->vc_top = logo_lines; + } +} +#endif /* MODULE */ + +#ifdef CONFIG_FB_TILEBLITTING +static void set_blitting_type(struct vc_data *vc, struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + ops->p = &fb_display[vc->vc_num]; + + if ((info->flags & FBINFO_MISC_TILEBLITTING)) + fbcon_set_tileops(vc, info); + else { + fbcon_set_rotation(info); + fbcon_set_bitops(ops); + } +} + +static int fbcon_invalid_charcount(struct fb_info *info, unsigned charcount) +{ + int err = 0; + + if (info->flags & FBINFO_MISC_TILEBLITTING && + info->tileops->fb_get_tilemax(info) < charcount) + err = 1; + + return err; +} +#else +static void set_blitting_type(struct vc_data *vc, struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + + info->flags &= ~FBINFO_MISC_TILEBLITTING; + ops->p = &fb_display[vc->vc_num]; + fbcon_set_rotation(info); + fbcon_set_bitops(ops); +} + +static int fbcon_invalid_charcount(struct fb_info *info, unsigned charcount) +{ + return 0; +} + +#endif /* CONFIG_MISC_TILEBLITTING */ + + +static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info, + int unit, int oldidx) +{ + struct fbcon_ops *ops = NULL; + int err = 0; + + if (!try_module_get(info->fbops->owner)) + err = -ENODEV; + + if (!err && info->fbops->fb_open && + info->fbops->fb_open(info, 0)) + err = -ENODEV; + + if (!err) { + ops = kzalloc(sizeof(struct fbcon_ops), GFP_KERNEL); + if (!ops) + err = -ENOMEM; + } + + if (!err) { + ops->cur_blink_jiffies = HZ / 5; + info->fbcon_par = ops; + + if (vc) + set_blitting_type(vc, info); + } + + if (err) { + con2fb_map[unit] = oldidx; + module_put(info->fbops->owner); + } + + return err; +} + +static int con2fb_release_oldinfo(struct vc_data *vc, struct fb_info *oldinfo, + struct fb_info *newinfo, int unit, + int oldidx, int found) +{ + struct fbcon_ops *ops = oldinfo->fbcon_par; + int err = 0, ret; + + if (oldinfo->fbops->fb_release && + oldinfo->fbops->fb_release(oldinfo, 0)) { + con2fb_map[unit] = oldidx; + if (!found && newinfo->fbops->fb_release) + newinfo->fbops->fb_release(newinfo, 0); + if (!found) + module_put(newinfo->fbops->owner); + err = -ENODEV; + } + + if (!err) { + fbcon_del_cursor_timer(oldinfo); + kfree(ops->cursor_state.mask); + kfree(ops->cursor_data); + kfree(ops->cursor_src); + kfree(ops->fontbuffer); + kfree(oldinfo->fbcon_par); + oldinfo->fbcon_par = NULL; + module_put(oldinfo->fbops->owner); + /* + If oldinfo and newinfo are driving the same hardware, + the fb_release() method of oldinfo may attempt to + restore the hardware state. This will leave the + newinfo in an undefined state. Thus, a call to + fb_set_par() may be needed for the newinfo. + */ + if (newinfo && newinfo->fbops->fb_set_par) { + ret = newinfo->fbops->fb_set_par(newinfo); + + if (ret) + printk(KERN_ERR "con2fb_release_oldinfo: " + "detected unhandled fb_set_par error, " + "error code %d\n", ret); + } + } + + return err; +} + +static void con2fb_init_display(struct vc_data *vc, struct fb_info *info, + int unit, int show_logo) +{ + struct fbcon_ops *ops = info->fbcon_par; + int ret; + + ops->currcon = fg_console; + + if (info->fbops->fb_set_par && !(ops->flags & FBCON_FLAGS_INIT)) { + ret = info->fbops->fb_set_par(info); + + if (ret) + printk(KERN_ERR "con2fb_init_display: detected " + "unhandled fb_set_par error, " + "error code %d\n", ret); + } + + ops->flags |= FBCON_FLAGS_INIT; + ops->graphics = 0; + fbcon_set_disp(info, &info->var, unit); + + if (show_logo) { + struct vc_data *fg_vc = vc_cons[fg_console].d; + struct fb_info *fg_info = + registered_fb[con2fb_map[fg_console]]; + + fbcon_prepare_logo(fg_vc, fg_info, fg_vc->vc_cols, + fg_vc->vc_rows, fg_vc->vc_cols, + fg_vc->vc_rows); + } + + update_screen(vc_cons[fg_console].d); +} + +/** + * set_con2fb_map - map console to frame buffer device + * @unit: virtual console number to map + * @newidx: frame buffer index to map virtual console to + * @user: user request + * + * Maps a virtual console @unit to a frame buffer device + * @newidx. + * + * This should be called with the console lock held. + */ +static int set_con2fb_map(int unit, int newidx, int user) +{ + struct vc_data *vc = vc_cons[unit].d; + int oldidx = con2fb_map[unit]; + struct fb_info *info = registered_fb[newidx]; + struct fb_info *oldinfo = NULL; + int found, err = 0; + + if (oldidx == newidx) + return 0; + + if (!info) + return -EINVAL; + + if (!search_for_mapped_con() || !con_is_bound(&fb_con)) { + info_idx = newidx; + return do_fbcon_takeover(0); + } + + if (oldidx != -1) + oldinfo = registered_fb[oldidx]; + + found = search_fb_in_map(newidx); + + con2fb_map[unit] = newidx; + if (!err && !found) + err = con2fb_acquire_newinfo(vc, info, unit, oldidx); + + + /* + * If old fb is not mapped to any of the consoles, + * fbcon should release it. + */ + if (!err && oldinfo && !search_fb_in_map(oldidx)) + err = con2fb_release_oldinfo(vc, oldinfo, info, unit, oldidx, + found); + + if (!err) { + int show_logo = (fg_console == 0 && !user && + logo_shown != FBCON_LOGO_DONTSHOW); + + if (!found) + fbcon_add_cursor_timer(info); + con2fb_map_boot[unit] = newidx; + con2fb_init_display(vc, info, unit, show_logo); + } + + if (!search_fb_in_map(info_idx)) + info_idx = newidx; + + return err; +} + +/* + * Low Level Operations + */ +/* NOTE: fbcon cannot be __init: it may be called from do_take_over_console later */ +static int var_to_display(struct display *disp, + struct fb_var_screeninfo *var, + struct fb_info *info) +{ + disp->xres_virtual = var->xres_virtual; + disp->yres_virtual = var->yres_virtual; + disp->bits_per_pixel = var->bits_per_pixel; + disp->grayscale = var->grayscale; + disp->nonstd = var->nonstd; + disp->accel_flags = var->accel_flags; + disp->height = var->height; + disp->width = var->width; + disp->red = var->red; + disp->green = var->green; + disp->blue = var->blue; + disp->transp = var->transp; + disp->rotate = var->rotate; + disp->mode = fb_match_mode(var, &info->modelist); + if (disp->mode == NULL) + /* This should not happen */ + return -EINVAL; + return 0; +} + +static void display_to_var(struct fb_var_screeninfo *var, + struct display *disp) +{ + fb_videomode_to_var(var, disp->mode); + var->xres_virtual = disp->xres_virtual; + var->yres_virtual = disp->yres_virtual; + var->bits_per_pixel = disp->bits_per_pixel; + var->grayscale = disp->grayscale; + var->nonstd = disp->nonstd; + var->accel_flags = disp->accel_flags; + var->height = disp->height; + var->width = disp->width; + var->red = disp->red; + var->green = disp->green; + var->blue = disp->blue; + var->transp = disp->transp; + var->rotate = disp->rotate; +} + +static const char *fbcon_startup(void) +{ + const char *display_desc = "frame buffer device"; + struct display *p = &fb_display[fg_console]; + struct vc_data *vc = vc_cons[fg_console].d; + const struct font_desc *font = NULL; + struct module *owner; + struct fb_info *info = NULL; + struct fbcon_ops *ops; + int rows, cols; + + /* + * If num_registered_fb is zero, this is a call for the dummy part. + * The frame buffer devices weren't initialized yet. + */ + if (!num_registered_fb || info_idx == -1) + return display_desc; + /* + * Instead of blindly using registered_fb[0], we use info_idx, set by + * fb_console_init(); + */ + info = registered_fb[info_idx]; + if (!info) + return NULL; + + owner = info->fbops->owner; + if (!try_module_get(owner)) + return NULL; + if (info->fbops->fb_open && info->fbops->fb_open(info, 0)) { + module_put(owner); + return NULL; + } + + ops = kzalloc(sizeof(struct fbcon_ops), GFP_KERNEL); + if (!ops) { + module_put(owner); + return NULL; + } + + ops->currcon = -1; + ops->graphics = 1; + ops->cur_rotate = -1; + ops->cur_blink_jiffies = HZ / 5; + info->fbcon_par = ops; + if (initial_rotation != -1) + p->con_rotate = initial_rotation; + else + p->con_rotate = fbcon_platform_get_rotate(info); + set_blitting_type(vc, info); + + if (info->fix.type != FB_TYPE_TEXT) { + if (fbcon_softback_size) { + if (!softback_buf) { + softback_buf = + (unsigned long) + kmalloc(fbcon_softback_size, + GFP_KERNEL); + if (!softback_buf) { + fbcon_softback_size = 0; + softback_top = 0; + } + } + } else { + if (softback_buf) { + kfree((void *) softback_buf); + softback_buf = 0; + softback_top = 0; + } + } + if (softback_buf) + softback_in = softback_top = softback_curr = + softback_buf; + softback_lines = 0; + } + + /* Setup default font */ + if (!p->fontdata && !vc->vc_font.data) { + if (!fontname[0] || !(font = find_font(fontname))) + font = get_default_font(info->var.xres, + info->var.yres, + info->pixmap.blit_x, + info->pixmap.blit_y); + vc->vc_font.width = font->width; + vc->vc_font.height = font->height; + vc->vc_font.data = (void *)(p->fontdata = font->data); + vc->vc_font.charcount = 256; /* FIXME Need to support more fonts */ + } else { + p->fontdata = vc->vc_font.data; + } + + cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); + rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + cols /= vc->vc_font.width; + rows /= vc->vc_font.height; + vc_resize(vc, cols, rows); + + DPRINTK("mode: %s\n", info->fix.id); + DPRINTK("visual: %d\n", info->fix.visual); + DPRINTK("res: %dx%d-%d\n", info->var.xres, + info->var.yres, + info->var.bits_per_pixel); + + fbcon_add_cursor_timer(info); + fbcon_has_exited = 0; + return display_desc; +} + +static void fbcon_init(struct vc_data *vc, int init) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops; + struct vc_data **default_mode = vc->vc_display_fg; + struct vc_data *svc = *default_mode; + struct display *t, *p = &fb_display[vc->vc_num]; + int logo = 1, new_rows, new_cols, rows, cols, charcnt = 256; + int cap, ret; + + if (info_idx == -1 || info == NULL) + return; + + cap = info->flags; + + if (vc != svc || logo_shown == FBCON_LOGO_DONTSHOW || + (info->fix.type == FB_TYPE_TEXT)) + logo = 0; + + if (var_to_display(p, &info->var, info)) + return; + + if (!info->fbcon_par) + con2fb_acquire_newinfo(vc, info, vc->vc_num, -1); + + /* If we are not the first console on this + fb, copy the font from that console */ + t = &fb_display[fg_console]; + if (!p->fontdata) { + if (t->fontdata) { + struct vc_data *fvc = vc_cons[fg_console].d; + + vc->vc_font.data = (void *)(p->fontdata = + fvc->vc_font.data); + vc->vc_font.width = fvc->vc_font.width; + vc->vc_font.height = fvc->vc_font.height; + p->userfont = t->userfont; + + if (p->userfont) + REFCOUNT(p->fontdata)++; + } else { + const struct font_desc *font = NULL; + + if (!fontname[0] || !(font = find_font(fontname))) + font = get_default_font(info->var.xres, + info->var.yres, + info->pixmap.blit_x, + info->pixmap.blit_y); + vc->vc_font.width = font->width; + vc->vc_font.height = font->height; + vc->vc_font.data = (void *)(p->fontdata = font->data); + vc->vc_font.charcount = 256; /* FIXME Need to + support more fonts */ + } + } + + 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) { + vc->vc_hi_font_mask = 0; + } else { + vc->vc_hi_font_mask = 0x100; + if (vc->vc_can_do_color) + vc->vc_complement_mask <<= 1; + } + + if (!*svc->vc_uni_pagedir_loc) + con_set_default_unimap(svc); + if (!*vc->vc_uni_pagedir_loc) + con_copy_unimap(vc, svc); + + ops = info->fbcon_par; + ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); + if (initial_rotation != -1) + p->con_rotate = initial_rotation; + else + p->con_rotate = fbcon_platform_get_rotate(info); + set_blitting_type(vc, info); + + cols = vc->vc_cols; + rows = vc->vc_rows; + new_cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); + new_rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + new_cols /= vc->vc_font.width; + new_rows /= vc->vc_font.height; + + /* + * We must always set the mode. The mode of the previous console + * driver could be in the same resolution but we are using different + * hardware so we have to initialize the hardware. + * + * We need to do it in fbcon_init() to prevent screen corruption. + */ + if (con_is_visible(vc) && vc->vc_mode == KD_TEXT) { + if (info->fbops->fb_set_par && + !(ops->flags & FBCON_FLAGS_INIT)) { + ret = info->fbops->fb_set_par(info); + + if (ret) + printk(KERN_ERR "fbcon_init: detected " + "unhandled fb_set_par error, " + "error code %d\n", ret); + } + + ops->flags |= FBCON_FLAGS_INIT; + } + + ops->graphics = 0; + + if ((cap & FBINFO_HWACCEL_COPYAREA) && + !(cap & FBINFO_HWACCEL_DISABLED)) + p->scrollmode = SCROLL_MOVE; + else /* default to something safe */ + p->scrollmode = SCROLL_REDRAW; + + /* + * ++guenther: console.c:vc_allocate() relies on initializing + * vc_{cols,rows}, but we must not set those if we are only + * resizing the console. + */ + if (init) { + vc->vc_cols = new_cols; + vc->vc_rows = new_rows; + } else + vc_resize(vc, new_cols, new_rows); + + if (logo) + fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows); + + if (vc == svc && softback_buf) + fbcon_update_softback(vc); + + if (ops->rotate_font && ops->rotate_font(info, vc)) { + ops->rotate = FB_ROTATE_UR; + set_blitting_type(vc, info); + } + + ops->p = &fb_display[fg_console]; +} + +static void fbcon_free_font(struct display *p, bool freefont) +{ + if (freefont && p->userfont && p->fontdata && (--REFCOUNT(p->fontdata) == 0)) + kfree(p->fontdata - FONT_EXTRA_WORDS * sizeof(int)); + p->fontdata = NULL; + p->userfont = 0; +} + +static void set_vc_hi_font(struct vc_data *vc, bool set); + +static void fbcon_deinit(struct vc_data *vc) +{ + struct display *p = &fb_display[vc->vc_num]; + struct fb_info *info; + struct fbcon_ops *ops; + int idx; + bool free_font = true; + + idx = con2fb_map[vc->vc_num]; + + if (idx == -1) + goto finished; + + info = registered_fb[idx]; + + if (!info) + goto finished; + + if (info->flags & FBINFO_MISC_FIRMWARE) + free_font = false; + ops = info->fbcon_par; + + if (!ops) + goto finished; + + if (con_is_visible(vc)) + fbcon_del_cursor_timer(info); + + ops->flags &= ~FBCON_FLAGS_INIT; +finished: + + fbcon_free_font(p, free_font); + if (free_font) + vc->vc_font.data = NULL; + + if (vc->vc_hi_font_mask) + set_vc_hi_font(vc, false); + + if (!con_is_bound(&fb_con)) + fbcon_exit(); + + return; +} + +/* ====================================================================== */ + +/* fbcon_XXX routines - interface used by the world + * + * This system is now divided into two levels because of complications + * caused by hardware scrolling. Top level functions: + * + * fbcon_bmove(), fbcon_clear(), fbcon_putc(), fbcon_clear_margins() + * + * handles y values in range [0, scr_height-1] that correspond to real + * screen positions. y_wrap shift means that first line of bitmap may be + * anywhere on this display. These functions convert lineoffsets to + * bitmap offsets and deal with the wrap-around case by splitting blits. + * + * fbcon_bmove_physical_8() -- These functions fast implementations + * fbcon_clear_physical_8() -- of original fbcon_XXX fns. + * fbcon_putc_physical_8() -- (font width != 8) may be added later + * + * WARNING: + * + * At the moment fbcon_putc() cannot blit across vertical wrap boundary + * Implies should only really hardware scroll in rows. Only reason for + * restriction is simplicity & efficiency at the moment. + */ + +static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height, + int width) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + + struct display *p = &fb_display[vc->vc_num]; + u_int y_break; + + if (fbcon_is_inactive(vc, info)) + return; + + if (!height || !width) + return; + + if (sy < vc->vc_top && vc->vc_top == logo_lines) { + vc->vc_top = 0; + /* + * If the font dimensions are not an integral of the display + * dimensions then the ops->clear below won't end up clearing + * the margins. Call clear_margins here in case the logo + * bitmap stretched into the margin area. + */ + fbcon_clear_margins(vc, 0); + } + + /* Split blits that cross physical y_wrap boundary */ + + y_break = p->vrows - p->yscroll; + if (sy < y_break && sy + height - 1 >= y_break) { + u_int b = y_break - sy; + ops->clear(vc, info, real_y(p, sy), sx, b, width); + ops->clear(vc, info, real_y(p, sy + b), sx, height - b, + width); + } else + ops->clear(vc, info, real_y(p, sy), sx, height, width); +} + +static void fbcon_putcs(struct vc_data *vc, const unsigned short *s, + int count, int ypos, int xpos) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct display *p = &fb_display[vc->vc_num]; + struct fbcon_ops *ops = info->fbcon_par; + + if (!fbcon_is_inactive(vc, info)) + ops->putcs(vc, info, s, count, real_y(p, ypos), xpos, + get_color(vc, info, scr_readw(s), 1), + get_color(vc, info, scr_readw(s), 0)); +} + +static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos) +{ + unsigned short chr; + + scr_writew(c, &chr); + fbcon_putcs(vc, &chr, 1, ypos, xpos); +} + +static void fbcon_clear_margins(struct vc_data *vc, int bottom_only) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + + if (!fbcon_is_inactive(vc, info)) + ops->clear_margins(vc, info, margin_color, bottom_only); +} + +static void fbcon_cursor(struct vc_data *vc, int mode) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + int y; + int c = scr_readw((u16 *) vc->vc_pos); + + ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); + + if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1) + return; + + if (vc->vc_cursor_type & 0x10) + fbcon_del_cursor_timer(info); + else + fbcon_add_cursor_timer(info); + + ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1; + if (mode & CM_SOFTBACK) { + mode &= ~CM_SOFTBACK; + y = softback_lines; + } else { + if (softback_lines) + fbcon_set_origin(vc); + y = 0; + } + + ops->cursor(vc, info, mode, y, get_color(vc, info, c, 1), + get_color(vc, info, c, 0)); +} + +static int scrollback_phys_max = 0; +static int scrollback_max = 0; +static int scrollback_current = 0; + +static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var, + int unit) +{ + struct display *p, *t; + struct vc_data **default_mode, *vc; + struct vc_data *svc; + struct fbcon_ops *ops = info->fbcon_par; + int rows, cols, charcnt = 256; + + p = &fb_display[unit]; + + if (var_to_display(p, var, info)) + return; + + vc = vc_cons[unit].d; + + if (!vc) + return; + + default_mode = vc->vc_display_fg; + svc = *default_mode; + t = &fb_display[svc->vc_num]; + + if (!vc->vc_font.data) { + vc->vc_font.data = (void *)(p->fontdata = t->fontdata); + vc->vc_font.width = (*default_mode)->vc_font.width; + vc->vc_font.height = (*default_mode)->vc_font.height; + p->userfont = t->userfont; + if (p->userfont) + REFCOUNT(p->fontdata)++; + } + if (p->userfont) + charcnt = FNTCHARCNT(p->fontdata); + + var->activate = FB_ACTIVATE_NOW; + info->var.activate = var->activate; + var->yoffset = info->var.yoffset; + var->xoffset = info->var.xoffset; + fb_set_var(info, var); + ops->var = info->var; + 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) { + vc->vc_hi_font_mask = 0; + } else { + vc->vc_hi_font_mask = 0x100; + if (vc->vc_can_do_color) + vc->vc_complement_mask <<= 1; + } + + if (!*svc->vc_uni_pagedir_loc) + con_set_default_unimap(svc); + if (!*vc->vc_uni_pagedir_loc) + con_copy_unimap(vc, svc); + + cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); + rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + cols /= vc->vc_font.width; + rows /= vc->vc_font.height; + vc_resize(vc, cols, rows); + + if (con_is_visible(vc)) { + update_screen(vc); + if (softback_buf) + fbcon_update_softback(vc); + } +} + +static __inline__ void ywrap_up(struct vc_data *vc, int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *p = &fb_display[vc->vc_num]; + + p->yscroll += count; + if (p->yscroll >= p->vrows) /* Deal with wrap */ + p->yscroll -= p->vrows; + ops->var.xoffset = 0; + ops->var.yoffset = p->yscroll * vc->vc_font.height; + ops->var.vmode |= FB_VMODE_YWRAP; + ops->update_start(info); + scrollback_max += count; + if (scrollback_max > scrollback_phys_max) + scrollback_max = scrollback_phys_max; + scrollback_current = 0; +} + +static __inline__ void ywrap_down(struct vc_data *vc, int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *p = &fb_display[vc->vc_num]; + + p->yscroll -= count; + if (p->yscroll < 0) /* Deal with wrap */ + p->yscroll += p->vrows; + ops->var.xoffset = 0; + ops->var.yoffset = p->yscroll * vc->vc_font.height; + ops->var.vmode |= FB_VMODE_YWRAP; + ops->update_start(info); + scrollback_max -= count; + if (scrollback_max < 0) + scrollback_max = 0; + scrollback_current = 0; +} + +static __inline__ void ypan_up(struct vc_data *vc, int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct display *p = &fb_display[vc->vc_num]; + struct fbcon_ops *ops = info->fbcon_par; + + p->yscroll += count; + if (p->yscroll > p->vrows - vc->vc_rows) { + ops->bmove(vc, info, p->vrows - vc->vc_rows, + 0, 0, 0, vc->vc_rows, vc->vc_cols); + p->yscroll -= p->vrows - vc->vc_rows; + } + + ops->var.xoffset = 0; + ops->var.yoffset = p->yscroll * vc->vc_font.height; + ops->var.vmode &= ~FB_VMODE_YWRAP; + ops->update_start(info); + fbcon_clear_margins(vc, 1); + scrollback_max += count; + if (scrollback_max > scrollback_phys_max) + scrollback_max = scrollback_phys_max; + scrollback_current = 0; +} + +static __inline__ void ypan_up_redraw(struct vc_data *vc, int t, int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *p = &fb_display[vc->vc_num]; + + p->yscroll += count; + + if (p->yscroll > p->vrows - vc->vc_rows) { + p->yscroll -= p->vrows - vc->vc_rows; + fbcon_redraw_move(vc, p, t + count, vc->vc_rows - count, t); + } + + ops->var.xoffset = 0; + ops->var.yoffset = p->yscroll * vc->vc_font.height; + ops->var.vmode &= ~FB_VMODE_YWRAP; + ops->update_start(info); + fbcon_clear_margins(vc, 1); + scrollback_max += count; + if (scrollback_max > scrollback_phys_max) + scrollback_max = scrollback_phys_max; + scrollback_current = 0; +} + +static __inline__ void ypan_down(struct vc_data *vc, int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct display *p = &fb_display[vc->vc_num]; + struct fbcon_ops *ops = info->fbcon_par; + + p->yscroll -= count; + if (p->yscroll < 0) { + ops->bmove(vc, info, 0, 0, p->vrows - vc->vc_rows, + 0, vc->vc_rows, vc->vc_cols); + p->yscroll += p->vrows - vc->vc_rows; + } + + ops->var.xoffset = 0; + ops->var.yoffset = p->yscroll * vc->vc_font.height; + ops->var.vmode &= ~FB_VMODE_YWRAP; + ops->update_start(info); + fbcon_clear_margins(vc, 1); + scrollback_max -= count; + if (scrollback_max < 0) + scrollback_max = 0; + scrollback_current = 0; +} + +static __inline__ void ypan_down_redraw(struct vc_data *vc, int t, int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *p = &fb_display[vc->vc_num]; + + p->yscroll -= count; + + if (p->yscroll < 0) { + p->yscroll += p->vrows - vc->vc_rows; + fbcon_redraw_move(vc, p, t, vc->vc_rows - count, t + count); + } + + ops->var.xoffset = 0; + ops->var.yoffset = p->yscroll * vc->vc_font.height; + ops->var.vmode &= ~FB_VMODE_YWRAP; + ops->update_start(info); + fbcon_clear_margins(vc, 1); + scrollback_max -= count; + if (scrollback_max < 0) + scrollback_max = 0; + scrollback_current = 0; +} + +static void fbcon_redraw_softback(struct vc_data *vc, struct display *p, + long delta) +{ + int count = vc->vc_rows; + unsigned short *d, *s; + unsigned long n; + int line = 0; + + d = (u16 *) softback_curr; + if (d == (u16 *) softback_in) + d = (u16 *) vc->vc_origin; + n = softback_curr + delta * vc->vc_size_row; + softback_lines -= delta; + if (delta < 0) { + if (softback_curr < softback_top && n < softback_buf) { + n += softback_end - softback_buf; + if (n < softback_top) { + softback_lines -= + (softback_top - n) / vc->vc_size_row; + n = softback_top; + } + } else if (softback_curr >= softback_top + && n < softback_top) { + softback_lines -= + (softback_top - n) / vc->vc_size_row; + n = softback_top; + } + } else { + if (softback_curr > softback_in && n >= softback_end) { + n += softback_buf - softback_end; + if (n > softback_in) { + n = softback_in; + softback_lines = 0; + } + } else if (softback_curr <= softback_in && n > softback_in) { + n = softback_in; + softback_lines = 0; + } + } + if (n == softback_curr) + return; + softback_curr = n; + s = (u16 *) softback_curr; + if (s == (u16 *) softback_in) + s = (u16 *) vc->vc_origin; + while (count--) { + unsigned short *start; + unsigned short *le; + unsigned short c; + int x = 0; + unsigned short attr = 1; + + start = s; + le = advance_row(s, 1); + do { + c = scr_readw(s); + if (attr != (c & 0xff00)) { + attr = c & 0xff00; + if (s > start) { + fbcon_putcs(vc, start, s - start, + line, x); + x += s - start; + start = s; + } + } + if (c == scr_readw(d)) { + if (s > start) { + fbcon_putcs(vc, start, s - start, + line, x); + x += s - start + 1; + start = s + 1; + } else { + x++; + start++; + } + } + s++; + d++; + } while (s < le); + if (s > start) + fbcon_putcs(vc, start, s - start, line, x); + line++; + if (d == (u16 *) softback_end) + d = (u16 *) softback_buf; + if (d == (u16 *) softback_in) + d = (u16 *) vc->vc_origin; + if (s == (u16 *) softback_end) + s = (u16 *) softback_buf; + if (s == (u16 *) softback_in) + s = (u16 *) vc->vc_origin; + } +} + +static void fbcon_redraw_move(struct vc_data *vc, struct display *p, + int line, int count, int dy) +{ + unsigned short *s = (unsigned short *) + (vc->vc_origin + vc->vc_size_row * line); + + while (count--) { + unsigned short *start = s; + unsigned short *le = advance_row(s, 1); + unsigned short c; + int x = 0; + unsigned short attr = 1; + + do { + c = scr_readw(s); + if (attr != (c & 0xff00)) { + attr = c & 0xff00; + if (s > start) { + fbcon_putcs(vc, start, s - start, + dy, x); + x += s - start; + start = s; + } + } + console_conditional_schedule(); + s++; + } while (s < le); + if (s > start) + fbcon_putcs(vc, start, s - start, dy, x); + console_conditional_schedule(); + dy++; + } +} + +static void fbcon_redraw_blit(struct vc_data *vc, struct fb_info *info, + struct display *p, int line, int count, int ycount) +{ + int offset = ycount * vc->vc_cols; + unsigned short *d = (unsigned short *) + (vc->vc_origin + vc->vc_size_row * line); + unsigned short *s = d + offset; + struct fbcon_ops *ops = info->fbcon_par; + + while (count--) { + unsigned short *start = s; + unsigned short *le = advance_row(s, 1); + unsigned short c; + int x = 0; + + do { + c = scr_readw(s); + + if (c == scr_readw(d)) { + if (s > start) { + ops->bmove(vc, info, line + ycount, x, + line, x, 1, s-start); + x += s - start + 1; + start = s + 1; + } else { + x++; + start++; + } + } + + scr_writew(c, d); + console_conditional_schedule(); + s++; + d++; + } while (s < le); + if (s > start) + ops->bmove(vc, info, line + ycount, x, line, x, 1, + s-start); + console_conditional_schedule(); + if (ycount > 0) + line++; + else { + line--; + /* NOTE: We subtract two lines from these pointers */ + s -= vc->vc_size_row; + d -= vc->vc_size_row; + } + } +} + +static void fbcon_redraw(struct vc_data *vc, struct display *p, + int line, int count, int offset) +{ + unsigned short *d = (unsigned short *) + (vc->vc_origin + vc->vc_size_row * line); + unsigned short *s = d + offset; + + while (count--) { + unsigned short *start = s; + unsigned short *le = advance_row(s, 1); + unsigned short c; + int x = 0; + unsigned short attr = 1; + + do { + c = scr_readw(s); + if (attr != (c & 0xff00)) { + attr = c & 0xff00; + if (s > start) { + fbcon_putcs(vc, start, s - start, + line, x); + x += s - start; + start = s; + } + } + if (c == scr_readw(d)) { + if (s > start) { + fbcon_putcs(vc, start, s - start, + line, x); + x += s - start + 1; + start = s + 1; + } else { + x++; + start++; + } + } + scr_writew(c, d); + console_conditional_schedule(); + s++; + d++; + } while (s < le); + if (s > start) + fbcon_putcs(vc, start, s - start, line, x); + console_conditional_schedule(); + if (offset > 0) + line++; + else { + line--; + /* NOTE: We subtract two lines from these pointers */ + s -= vc->vc_size_row; + d -= vc->vc_size_row; + } + } +} + +static inline void fbcon_softback_note(struct vc_data *vc, int t, + int count) +{ + unsigned short *p; + + if (vc->vc_num != fg_console) + return; + p = (unsigned short *) (vc->vc_origin + t * vc->vc_size_row); + + while (count) { + scr_memcpyw((u16 *) softback_in, p, vc->vc_size_row); + count--; + p = advance_row(p, 1); + softback_in += vc->vc_size_row; + if (softback_in == softback_end) + softback_in = softback_buf; + if (softback_in == softback_top) { + softback_top += vc->vc_size_row; + if (softback_top == softback_end) + softback_top = softback_buf; + } + } + softback_curr = softback_in; +} + +static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b, + enum con_scroll dir, unsigned int count) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct display *p = &fb_display[vc->vc_num]; + int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK; + + if (fbcon_is_inactive(vc, info)) + return true; + + fbcon_cursor(vc, CM_ERASE); + + /* + * ++Geert: Only use ywrap/ypan if the console is in text mode + * ++Andrew: Only use ypan on hardware text mode when scrolling the + * whole screen (prevents flicker). + */ + + switch (dir) { + case SM_UP: + if (count > vc->vc_rows) /* Maximum realistic size */ + count = vc->vc_rows; + if (softback_top) + fbcon_softback_note(vc, t, count); + if (logo_shown >= 0) + goto redraw_up; + switch (p->scrollmode) { + case SCROLL_MOVE: + fbcon_redraw_blit(vc, info, p, t, b - t - count, + count); + fbcon_clear(vc, b - count, 0, count, vc->vc_cols); + scr_memsetw((unsigned short *) (vc->vc_origin + + vc->vc_size_row * + (b - count)), + vc->vc_video_erase_char, + vc->vc_size_row * count); + return true; + break; + + case SCROLL_WRAP_MOVE: + if (b - t - count > 3 * vc->vc_rows >> 2) { + if (t > 0) + fbcon_bmove(vc, 0, 0, count, 0, t, + vc->vc_cols); + ywrap_up(vc, count); + if (vc->vc_rows - b > 0) + fbcon_bmove(vc, b - count, 0, b, 0, + vc->vc_rows - b, + vc->vc_cols); + } else if (info->flags & FBINFO_READS_FAST) + fbcon_bmove(vc, t + count, 0, t, 0, + b - t - count, vc->vc_cols); + else + goto redraw_up; + fbcon_clear(vc, b - count, 0, count, vc->vc_cols); + break; + + case SCROLL_PAN_REDRAW: + if ((p->yscroll + count <= + 2 * (p->vrows - vc->vc_rows)) + && ((!scroll_partial && (b - t == vc->vc_rows)) + || (scroll_partial + && (b - t - count > + 3 * vc->vc_rows >> 2)))) { + if (t > 0) + fbcon_redraw_move(vc, p, 0, t, count); + ypan_up_redraw(vc, t, count); + if (vc->vc_rows - b > 0) + fbcon_redraw_move(vc, p, b, + vc->vc_rows - b, b); + } else + fbcon_redraw_move(vc, p, t + count, b - t - count, t); + fbcon_clear(vc, b - count, 0, count, vc->vc_cols); + break; + + case SCROLL_PAN_MOVE: + if ((p->yscroll + count <= + 2 * (p->vrows - vc->vc_rows)) + && ((!scroll_partial && (b - t == vc->vc_rows)) + || (scroll_partial + && (b - t - count > + 3 * vc->vc_rows >> 2)))) { + if (t > 0) + fbcon_bmove(vc, 0, 0, count, 0, t, + vc->vc_cols); + ypan_up(vc, count); + if (vc->vc_rows - b > 0) + fbcon_bmove(vc, b - count, 0, b, 0, + vc->vc_rows - b, + vc->vc_cols); + } else if (info->flags & FBINFO_READS_FAST) + fbcon_bmove(vc, t + count, 0, t, 0, + b - t - count, vc->vc_cols); + else + goto redraw_up; + fbcon_clear(vc, b - count, 0, count, vc->vc_cols); + break; + + case SCROLL_REDRAW: + redraw_up: + fbcon_redraw(vc, p, t, b - t - count, + count * vc->vc_cols); + fbcon_clear(vc, b - count, 0, count, vc->vc_cols); + scr_memsetw((unsigned short *) (vc->vc_origin + + vc->vc_size_row * + (b - count)), + vc->vc_video_erase_char, + vc->vc_size_row * count); + return true; + } + break; + + case SM_DOWN: + if (count > vc->vc_rows) /* Maximum realistic size */ + count = vc->vc_rows; + if (logo_shown >= 0) + goto redraw_down; + switch (p->scrollmode) { + case SCROLL_MOVE: + fbcon_redraw_blit(vc, info, p, b - 1, b - t - count, + -count); + fbcon_clear(vc, t, 0, count, vc->vc_cols); + scr_memsetw((unsigned short *) (vc->vc_origin + + vc->vc_size_row * + t), + vc->vc_video_erase_char, + vc->vc_size_row * count); + return true; + break; + + case SCROLL_WRAP_MOVE: + if (b - t - count > 3 * vc->vc_rows >> 2) { + if (vc->vc_rows - b > 0) + fbcon_bmove(vc, b, 0, b - count, 0, + vc->vc_rows - b, + vc->vc_cols); + ywrap_down(vc, count); + if (t > 0) + fbcon_bmove(vc, count, 0, 0, 0, t, + vc->vc_cols); + } else if (info->flags & FBINFO_READS_FAST) + fbcon_bmove(vc, t, 0, t + count, 0, + b - t - count, vc->vc_cols); + else + goto redraw_down; + fbcon_clear(vc, t, 0, count, vc->vc_cols); + break; + + case SCROLL_PAN_MOVE: + if ((count - p->yscroll <= p->vrows - vc->vc_rows) + && ((!scroll_partial && (b - t == vc->vc_rows)) + || (scroll_partial + && (b - t - count > + 3 * vc->vc_rows >> 2)))) { + if (vc->vc_rows - b > 0) + fbcon_bmove(vc, b, 0, b - count, 0, + vc->vc_rows - b, + vc->vc_cols); + ypan_down(vc, count); + if (t > 0) + fbcon_bmove(vc, count, 0, 0, 0, t, + vc->vc_cols); + } else if (info->flags & FBINFO_READS_FAST) + fbcon_bmove(vc, t, 0, t + count, 0, + b - t - count, vc->vc_cols); + else + goto redraw_down; + fbcon_clear(vc, t, 0, count, vc->vc_cols); + break; + + case SCROLL_PAN_REDRAW: + if ((count - p->yscroll <= p->vrows - vc->vc_rows) + && ((!scroll_partial && (b - t == vc->vc_rows)) + || (scroll_partial + && (b - t - count > + 3 * vc->vc_rows >> 2)))) { + if (vc->vc_rows - b > 0) + fbcon_redraw_move(vc, p, b, vc->vc_rows - b, + b - count); + ypan_down_redraw(vc, t, count); + if (t > 0) + fbcon_redraw_move(vc, p, count, t, 0); + } else + fbcon_redraw_move(vc, p, t, b - t - count, t + count); + fbcon_clear(vc, t, 0, count, vc->vc_cols); + break; + + case SCROLL_REDRAW: + redraw_down: + fbcon_redraw(vc, p, b - 1, b - t - count, + -count * vc->vc_cols); + fbcon_clear(vc, t, 0, count, vc->vc_cols); + scr_memsetw((unsigned short *) (vc->vc_origin + + vc->vc_size_row * + t), + vc->vc_video_erase_char, + vc->vc_size_row * count); + return true; + } + } + return false; +} + + +static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, + int height, int width) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct display *p = &fb_display[vc->vc_num]; + + if (fbcon_is_inactive(vc, info)) + return; + + if (!width || !height) + return; + + /* Split blits that cross physical y_wrap case. + * Pathological case involves 4 blits, better to use recursive + * code rather than unrolled case + * + * Recursive invocations don't need to erase the cursor over and + * over again, so we use fbcon_bmove_rec() + */ + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, height, width, + p->vrows - p->yscroll); +} + +static void fbcon_bmove_rec(struct vc_data *vc, struct display *p, int sy, int sx, + int dy, int dx, int height, int width, u_int y_break) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + u_int b; + + if (sy < y_break && sy + height > y_break) { + b = y_break - sy; + if (dy < sy) { /* Avoid trashing self */ + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + } else { + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + } + return; + } + + if (dy < y_break && dy + height > y_break) { + b = y_break - dy; + if (dy < sy) { /* Avoid trashing self */ + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + } else { + fbcon_bmove_rec(vc, p, sy + b, sx, dy + b, dx, + height - b, width, y_break); + fbcon_bmove_rec(vc, p, sy, sx, dy, dx, b, width, + y_break); + } + return; + } + ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx, + height, width); +} + +static void updatescrollmode(struct display *p, + struct fb_info *info, + struct vc_data *vc) +{ + struct fbcon_ops *ops = info->fbcon_par; + int fh = vc->vc_font.height; + int cap = info->flags; + u16 t = 0; + int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep, + info->fix.xpanstep); + int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t); + int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual, + info->var.xres_virtual); + int good_pan = (cap & FBINFO_HWACCEL_YPAN) && + divides(ypan, vc->vc_font.height) && vyres > yres; + int good_wrap = (cap & FBINFO_HWACCEL_YWRAP) && + divides(ywrap, vc->vc_font.height) && + divides(vc->vc_font.height, vyres) && + divides(vc->vc_font.height, yres); + int reading_fast = cap & FBINFO_READS_FAST; + int fast_copyarea = (cap & FBINFO_HWACCEL_COPYAREA) && + !(cap & FBINFO_HWACCEL_DISABLED); + int fast_imageblit = (cap & FBINFO_HWACCEL_IMAGEBLIT) && + !(cap & FBINFO_HWACCEL_DISABLED); + + p->vrows = vyres/fh; + if (yres > (fh * (vc->vc_rows + 1))) + p->vrows -= (yres - (fh * vc->vc_rows)) / fh; + if ((yres % fh) && (vyres % fh < yres % fh)) + p->vrows--; + + if (good_wrap || good_pan) { + if (reading_fast || fast_copyarea) + p->scrollmode = good_wrap ? + SCROLL_WRAP_MOVE : SCROLL_PAN_MOVE; + else + p->scrollmode = good_wrap ? SCROLL_REDRAW : + SCROLL_PAN_REDRAW; + } else { + if (reading_fast || (fast_copyarea && !fast_imageblit)) + p->scrollmode = SCROLL_MOVE; + else + p->scrollmode = SCROLL_REDRAW; + } +} + +static int fbcon_resize(struct vc_data *vc, unsigned int width, + unsigned int height, unsigned int user) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *p = &fb_display[vc->vc_num]; + struct fb_var_screeninfo var = info->var; + int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh; + + virt_w = FBCON_SWAP(ops->rotate, width, height); + virt_h = FBCON_SWAP(ops->rotate, height, width); + virt_fw = FBCON_SWAP(ops->rotate, vc->vc_font.width, + vc->vc_font.height); + virt_fh = FBCON_SWAP(ops->rotate, vc->vc_font.height, + vc->vc_font.width); + var.xres = virt_w * virt_fw; + var.yres = virt_h * virt_fh; + x_diff = info->var.xres - var.xres; + y_diff = info->var.yres - var.yres; + if (x_diff < 0 || x_diff > virt_fw || + y_diff < 0 || y_diff > virt_fh) { + const struct fb_videomode *mode; + + DPRINTK("attempting resize %ix%i\n", var.xres, var.yres); + mode = fb_find_best_mode(&var, &info->modelist); + if (mode == NULL) + return -EINVAL; + display_to_var(&var, p); + fb_videomode_to_var(&var, mode); + + if (virt_w > var.xres/virt_fw || virt_h > var.yres/virt_fh) + return -EINVAL; + + DPRINTK("resize now %ix%i\n", var.xres, var.yres); + if (con_is_visible(vc)) { + var.activate = FB_ACTIVATE_NOW | + FB_ACTIVATE_FORCE; + fb_set_var(info, &var); + } + var_to_display(p, &info->var, info); + ops->var = info->var; + } + updatescrollmode(p, info, vc); + return 0; +} + +static int fbcon_switch(struct vc_data *vc) +{ + struct fb_info *info, *old_info = NULL; + struct fbcon_ops *ops; + struct display *p = &fb_display[vc->vc_num]; + struct fb_var_screeninfo var; + int i, ret, prev_console, charcnt = 256; + + info = registered_fb[con2fb_map[vc->vc_num]]; + ops = info->fbcon_par; + + if (softback_top) { + if (softback_lines) + fbcon_set_origin(vc); + softback_top = softback_curr = softback_in = softback_buf; + softback_lines = 0; + fbcon_update_softback(vc); + } + + if (logo_shown >= 0) { + struct vc_data *conp2 = vc_cons[logo_shown].d; + + if (conp2->vc_top == logo_lines + && conp2->vc_bottom == conp2->vc_rows) + conp2->vc_top = 0; + logo_shown = FBCON_LOGO_CANSHOW; + } + + prev_console = ops->currcon; + if (prev_console != -1) + old_info = registered_fb[con2fb_map[prev_console]]; + /* + * FIXME: If we have multiple fbdev's loaded, we need to + * update all info->currcon. Perhaps, we can place this + * in a centralized structure, but this might break some + * drivers. + * + * info->currcon = vc->vc_num; + */ + for (i = 0; i < FB_MAX; i++) { + if (registered_fb[i] != NULL && registered_fb[i]->fbcon_par) { + struct fbcon_ops *o = registered_fb[i]->fbcon_par; + + o->currcon = vc->vc_num; + } + } + memset(&var, 0, sizeof(struct fb_var_screeninfo)); + display_to_var(&var, p); + var.activate = FB_ACTIVATE_NOW; + + /* + * make sure we don't unnecessarily trip the memcmp() + * in fb_set_var() + */ + info->var.activate = var.activate; + var.vmode |= info->var.vmode & ~FB_VMODE_MASK; + fb_set_var(info, &var); + ops->var = info->var; + + if (old_info != NULL && (old_info != info || + info->flags & FBINFO_MISC_ALWAYS_SETPAR)) { + if (info->fbops->fb_set_par) { + ret = info->fbops->fb_set_par(info); + + if (ret) + printk(KERN_ERR "fbcon_switch: detected " + "unhandled fb_set_par error, " + "error code %d\n", ret); + } + + if (old_info != info) + fbcon_del_cursor_timer(old_info); + } + + if (fbcon_is_inactive(vc, info) || + ops->blank_state != FB_BLANK_UNBLANK) + fbcon_del_cursor_timer(info); + else + fbcon_add_cursor_timer(info); + + set_blitting_type(vc, info); + ops->cursor_reset = 1; + + if (ops->rotate_font && ops->rotate_font(info, vc)) { + ops->rotate = FB_ROTATE_UR; + set_blitting_type(vc, info); + } + + 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 (p->userfont) + charcnt = FNTCHARCNT(vc->vc_font.data); + + if (charcnt > 256) + vc->vc_complement_mask <<= 1; + + updatescrollmode(p, info, vc); + + switch (p->scrollmode) { + case SCROLL_WRAP_MOVE: + scrollback_phys_max = p->vrows - vc->vc_rows; + break; + case SCROLL_PAN_MOVE: + case SCROLL_PAN_REDRAW: + scrollback_phys_max = p->vrows - 2 * vc->vc_rows; + if (scrollback_phys_max < 0) + scrollback_phys_max = 0; + break; + default: + scrollback_phys_max = 0; + break; + } + + scrollback_max = 0; + scrollback_current = 0; + + if (!fbcon_is_inactive(vc, info)) { + ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; + ops->update_start(info); + } + + fbcon_set_palette(vc, color_table); + fbcon_clear_margins(vc, 0); + + if (logo_shown == FBCON_LOGO_DRAW) { + + logo_shown = fg_console; + /* This is protected above by initmem_freed */ + fb_show_logo(info, ops->rotate); + update_region(vc, + vc->vc_origin + vc->vc_size_row * vc->vc_top, + vc->vc_size_row * (vc->vc_bottom - + vc->vc_top) / 2); + return 0; + } + return 1; +} + +static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info, + int blank) +{ + struct fb_event event; + + if (blank) { + unsigned short charmask = vc->vc_hi_font_mask ? + 0x1ff : 0xff; + unsigned short oldc; + + oldc = vc->vc_video_erase_char; + vc->vc_video_erase_char &= charmask; + fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols); + vc->vc_video_erase_char = oldc; + } + + + if (!lock_fb_info(info)) + return; + event.info = info; + event.data = ␣ + fb_notifier_call_chain(FB_EVENT_CONBLANK, &event); + unlock_fb_info(info); +} + +static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + + if (mode_switch) { + struct fb_var_screeninfo var = info->var; + + ops->graphics = 1; + + if (!blank) { + var.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE; + fb_set_var(info, &var); + ops->graphics = 0; + ops->var = info->var; + } + } + + if (!fbcon_is_inactive(vc, info)) { + if (ops->blank_state != blank) { + ops->blank_state = blank; + fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW); + ops->cursor_flash = (!blank); + + if (!(info->flags & FBINFO_MISC_USEREVENT)) + if (fb_blank(info, blank)) + fbcon_generic_blank(vc, info, blank); + } + + if (!blank) + update_screen(vc); + } + + if (mode_switch || fbcon_is_inactive(vc, info) || + ops->blank_state != FB_BLANK_UNBLANK) + fbcon_del_cursor_timer(info); + else + fbcon_add_cursor_timer(info); + + 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; + u8 *data = font->data; + int i, j; + + font->width = vc->vc_font.width; + font->height = vc->vc_font.height; + font->charcount = vc->vc_hi_font_mask ? 512 : 256; + if (!font->data) + return 0; + + if (font->width <= 8) { + j = vc->vc_font.height; + for (i = 0; i < font->charcount; i++) { + memcpy(data, fontdata, j); + memset(data + j, 0, 32 - j); + data += 32; + fontdata += j; + } + } else if (font->width <= 16) { + j = vc->vc_font.height * 2; + for (i = 0; i < font->charcount; i++) { + memcpy(data, fontdata, j); + memset(data + j, 0, 64 - j); + data += 64; + fontdata += j; + } + } else if (font->width <= 24) { + for (i = 0; i < font->charcount; i++) { + for (j = 0; j < vc->vc_font.height; j++) { + *data++ = fontdata[0]; + *data++ = fontdata[1]; + *data++ = fontdata[2]; + fontdata += sizeof(u32); + } + memset(data, 0, 3 * (32 - j)); + data += 3 * (32 - j); + } + } else { + j = vc->vc_font.height * 4; + for (i = 0; i < font->charcount; i++) { + memcpy(data, fontdata, j); + memset(data + j, 0, 128 - j); + data += 128; + fontdata += j; + } + } + return 0; +} + +/* set/clear vc_hi_font_mask and update vc attrs accordingly */ +static void set_vc_hi_font(struct vc_data *vc, bool set) +{ + if (!set) { + vc->vc_hi_font_mask = 0; + if (vc->vc_can_do_color) { + vc->vc_complement_mask >>= 1; + vc->vc_s_complement_mask >>= 1; + } + + /* ++Edmund: reorder the attribute bits */ + if (vc->vc_can_do_color) { + unsigned short *cp = + (unsigned short *) vc->vc_origin; + int count = vc->vc_screenbuf_size / 2; + unsigned short c; + for (; count > 0; count--, cp++) { + c = scr_readw(cp); + scr_writew(((c & 0xfe00) >> 1) | + (c & 0xff), cp); + } + c = vc->vc_video_erase_char; + vc->vc_video_erase_char = + ((c & 0xfe00) >> 1) | (c & 0xff); + vc->vc_attr >>= 1; + } + } else { + vc->vc_hi_font_mask = 0x100; + if (vc->vc_can_do_color) { + vc->vc_complement_mask <<= 1; + vc->vc_s_complement_mask <<= 1; + } + + /* ++Edmund: reorder the attribute bits */ + { + unsigned short *cp = + (unsigned short *) vc->vc_origin; + int count = vc->vc_screenbuf_size / 2; + unsigned short c; + for (; count > 0; count--, cp++) { + unsigned short newc; + c = scr_readw(cp); + if (vc->vc_can_do_color) + newc = + ((c & 0xff00) << 1) | (c & + 0xff); + else + newc = c & ~0x100; + scr_writew(newc, cp); + } + c = vc->vc_video_erase_char; + if (vc->vc_can_do_color) { + vc->vc_video_erase_char = + ((c & 0xff00) << 1) | (c & 0xff); + vc->vc_attr <<= 1; + } else + vc->vc_video_erase_char = c & ~0x100; + } + } +} + +static int fbcon_do_set_font(struct vc_data *vc, int w, int h, + const u8 * data, int userfont) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *p = &fb_display[vc->vc_num]; + int resize; + int cnt; + char *old_data = NULL; + + if (con_is_visible(vc) && softback_lines) + fbcon_set_origin(vc); + + resize = (w != vc->vc_font.width) || (h != vc->vc_font.height); + if (p->userfont) + old_data = vc->vc_font.data; + if (userfont) + cnt = FNTCHARCNT(data); + else + cnt = 256; + vc->vc_font.data = (void *)(p->fontdata = data); + if ((p->userfont = userfont)) + REFCOUNT(data)++; + vc->vc_font.width = w; + vc->vc_font.height = h; + if (vc->vc_hi_font_mask && cnt == 256) + set_vc_hi_font(vc, false); + else if (!vc->vc_hi_font_mask && cnt == 512) + set_vc_hi_font(vc, true); + + if (resize) { + int cols, rows; + + cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); + rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + cols /= w; + rows /= h; + vc_resize(vc, cols, rows); + if (con_is_visible(vc) && softback_buf) + fbcon_update_softback(vc); + } else if (con_is_visible(vc) + && vc->vc_mode == KD_TEXT) { + fbcon_clear_margins(vc, 0); + update_screen(vc); + } + + if (old_data && (--REFCOUNT(old_data) == 0)) + kfree(old_data - FONT_EXTRA_WORDS * sizeof(int)); + return 0; +} + +static int fbcon_copy_font(struct vc_data *vc, int con) +{ + struct display *od = &fb_display[con]; + struct console_font *f = &vc->vc_font; + + if (od->fontdata == f->data) + return 0; /* already the same font... */ + return fbcon_do_set_font(vc, f->width, f->height, od->fontdata, od->userfont); +} + +/* + * User asked to set font; we are guaranteed that + * a) width and height are in range 1..32 + * b) charcount does not exceed 512 + * but lets not assume that, since someone might someday want to use larger + * fonts. And charcount of 512 is small for unicode support. + * + * However, user space gives the font in 32 rows , regardless of + * actual font height. So a new API is needed if support for larger fonts + * is ever implemented. + */ + +static int fbcon_set_font(struct vc_data *vc, struct console_font *font, unsigned flags) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + unsigned charcount = font->charcount; + int w = font->width; + int h = font->height; + int size; + int i, csum; + u8 *new_data, *data = font->data; + int pitch = (font->width+7) >> 3; + + /* Is there a reason why fbconsole couldn't handle any charcount >256? + * If not this check should be changed to charcount < 256 */ + if (charcount != 256 && charcount != 512) + return -EINVAL; + + /* Make sure drawing engine can handle the font */ + if (!(info->pixmap.blit_x & (1 << (font->width - 1))) || + !(info->pixmap.blit_y & (1 << (font->height - 1)))) + return -EINVAL; + + /* Make sure driver can handle the font length */ + if (fbcon_invalid_charcount(info, charcount)) + return -EINVAL; + + size = h * pitch * charcount; + + new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size, GFP_USER); + + if (!new_data) + return -ENOMEM; + + new_data += FONT_EXTRA_WORDS * sizeof(int); + FNTSIZE(new_data) = size; + FNTCHARCNT(new_data) = charcount; + REFCOUNT(new_data) = 0; /* usage counter */ + for (i=0; i< charcount; i++) { + memcpy(new_data + i*h*pitch, data + i*32*pitch, h*pitch); + } + + /* Since linux has a nice crc32 function use it for counting font + * checksums. */ + csum = crc32(0, new_data, size); + + FNTSUM(new_data) = csum; + /* Check if the same font is on some other console already */ + for (i = first_fb_vc; i <= last_fb_vc; i++) { + struct vc_data *tmp = vc_cons[i].d; + + if (fb_display[i].userfont && + fb_display[i].fontdata && + FNTSUM(fb_display[i].fontdata) == csum && + FNTSIZE(fb_display[i].fontdata) == size && + tmp->vc_font.width == w && + !memcmp(fb_display[i].fontdata, new_data, size)) { + kfree(new_data - FONT_EXTRA_WORDS * sizeof(int)); + new_data = (u8 *)fb_display[i].fontdata; + break; + } + } + return fbcon_do_set_font(vc, font->width, font->height, new_data, 1); +} + +static int fbcon_set_def_font(struct vc_data *vc, struct console_font *font, char *name) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + const struct font_desc *f; + + if (!name) + f = get_default_font(info->var.xres, info->var.yres, + info->pixmap.blit_x, info->pixmap.blit_y); + else if (!(f = find_font(name))) + return -ENOENT; + + font->width = f->width; + font->height = f->height; + return fbcon_do_set_font(vc, f->width, f->height, f->data, 0); +} + +static u16 palette_red[16]; +static u16 palette_green[16]; +static u16 palette_blue[16]; + +static struct fb_cmap palette_cmap = { + 0, 16, palette_red, palette_green, palette_blue, NULL +}; + +static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + int i, j, k, depth; + u8 val; + + if (fbcon_is_inactive(vc, info)) + return; + + if (!con_is_visible(vc)) + return; + + depth = fb_get_color_depth(&info->var, &info->fix); + if (depth > 3) { + for (i = j = 0; i < 16; i++) { + k = table[i]; + val = vc->vc_palette[j++]; + palette_red[k] = (val << 8) | val; + val = vc->vc_palette[j++]; + palette_green[k] = (val << 8) | val; + val = vc->vc_palette[j++]; + palette_blue[k] = (val << 8) | val; + } + palette_cmap.len = 16; + palette_cmap.start = 0; + /* + * If framebuffer is capable of less than 16 colors, + * use default palette of fbcon. + */ + } else + fb_copy_cmap(fb_default_cmap(1 << depth), &palette_cmap); + + fb_set_cmap(&palette_cmap, info); +} + +static u16 *fbcon_screen_pos(struct vc_data *vc, int offset) +{ + unsigned long p; + int line; + + if (vc->vc_num != fg_console || !softback_lines) + return (u16 *) (vc->vc_origin + offset); + line = offset / vc->vc_size_row; + if (line >= softback_lines) + return (u16 *) (vc->vc_origin + offset - + softback_lines * vc->vc_size_row); + p = softback_curr + offset; + if (p >= softback_end) + p += softback_buf - softback_end; + return (u16 *) p; +} + +static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos, + int *px, int *py) +{ + unsigned long ret; + int x, y; + + if (pos >= vc->vc_origin && pos < vc->vc_scr_end) { + unsigned long offset = (pos - vc->vc_origin) / 2; + + x = offset % vc->vc_cols; + y = offset / vc->vc_cols; + if (vc->vc_num == fg_console) + y += softback_lines; + ret = pos + (vc->vc_cols - x) * 2; + } else if (vc->vc_num == fg_console && softback_lines) { + unsigned long offset = pos - softback_curr; + + if (pos < softback_curr) + offset += softback_end - softback_buf; + offset /= 2; + x = offset % vc->vc_cols; + y = offset / vc->vc_cols; + ret = pos + (vc->vc_cols - x) * 2; + if (ret == softback_end) + ret = softback_buf; + if (ret == softback_in) + ret = vc->vc_origin; + } else { + /* Should not happen */ + x = y = 0; + ret = vc->vc_origin; + } + if (px) + *px = x; + if (py) + *py = y; + return ret; +} + +/* As we might be inside of softback, we may work with non-contiguous buffer, + that's why we have to use a separate routine. */ +static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt) +{ + while (cnt--) { + u16 a = scr_readw(p); + if (!vc->vc_can_do_color) + a ^= 0x0800; + else if (vc->vc_hi_font_mask == 0x100) + a = ((a) & 0x11ff) | (((a) & 0xe000) >> 4) | + (((a) & 0x0e00) << 4); + else + a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) | + (((a) & 0x0700) << 4); + scr_writew(a, p++); + if (p == (u16 *) softback_end) + p = (u16 *) softback_buf; + if (p == (u16 *) softback_in) + p = (u16 *) vc->vc_origin; + } +} + +static void fbcon_scrolldelta(struct vc_data *vc, int lines) +{ + struct fb_info *info = registered_fb[con2fb_map[fg_console]]; + struct fbcon_ops *ops = info->fbcon_par; + struct display *disp = &fb_display[fg_console]; + int offset, limit, scrollback_old; + + if (softback_top) { + if (vc->vc_num != fg_console) + return; + if (vc->vc_mode != KD_TEXT || !lines) + return; + if (logo_shown >= 0) { + struct vc_data *conp2 = vc_cons[logo_shown].d; + + if (conp2->vc_top == logo_lines + && conp2->vc_bottom == conp2->vc_rows) + conp2->vc_top = 0; + if (logo_shown == vc->vc_num) { + unsigned long p, q; + int i; + + p = softback_in; + q = vc->vc_origin + + logo_lines * vc->vc_size_row; + for (i = 0; i < logo_lines; i++) { + if (p == softback_top) + break; + if (p == softback_buf) + p = softback_end; + p -= vc->vc_size_row; + q -= vc->vc_size_row; + scr_memcpyw((u16 *) q, (u16 *) p, + vc->vc_size_row); + } + softback_in = softback_curr = p; + update_region(vc, vc->vc_origin, + logo_lines * vc->vc_cols); + } + logo_shown = FBCON_LOGO_CANSHOW; + } + fbcon_cursor(vc, CM_ERASE | CM_SOFTBACK); + fbcon_redraw_softback(vc, disp, lines); + fbcon_cursor(vc, CM_DRAW | CM_SOFTBACK); + return; + } + + if (!scrollback_phys_max) + return; + + scrollback_old = scrollback_current; + scrollback_current -= lines; + if (scrollback_current < 0) + scrollback_current = 0; + else if (scrollback_current > scrollback_max) + scrollback_current = scrollback_max; + if (scrollback_current == scrollback_old) + return; + + if (fbcon_is_inactive(vc, info)) + return; + + fbcon_cursor(vc, CM_ERASE); + + offset = disp->yscroll - scrollback_current; + limit = disp->vrows; + switch (disp->scrollmode) { + case SCROLL_WRAP_MOVE: + info->var.vmode |= FB_VMODE_YWRAP; + break; + case SCROLL_PAN_MOVE: + case SCROLL_PAN_REDRAW: + limit -= vc->vc_rows; + info->var.vmode &= ~FB_VMODE_YWRAP; + break; + } + if (offset < 0) + offset += limit; + else if (offset >= limit) + offset -= limit; + + ops->var.xoffset = 0; + ops->var.yoffset = offset * vc->vc_font.height; + ops->update_start(info); + + if (!scrollback_current) + fbcon_cursor(vc, CM_DRAW); +} + +static int fbcon_set_origin(struct vc_data *vc) +{ + if (softback_lines) + fbcon_scrolldelta(vc, softback_lines); + return 0; +} + +static void fbcon_suspended(struct fb_info *info) +{ + struct vc_data *vc = NULL; + struct fbcon_ops *ops = info->fbcon_par; + + if (!ops || ops->currcon < 0) + return; + vc = vc_cons[ops->currcon].d; + + /* Clear cursor, restore saved data */ + fbcon_cursor(vc, CM_ERASE); +} + +static void fbcon_resumed(struct fb_info *info) +{ + struct vc_data *vc; + struct fbcon_ops *ops = info->fbcon_par; + + if (!ops || ops->currcon < 0) + return; + vc = vc_cons[ops->currcon].d; + + update_screen(vc); +} + +static void fbcon_modechanged(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct vc_data *vc; + struct display *p; + int rows, cols; + + if (!ops || ops->currcon < 0) + return; + vc = vc_cons[ops->currcon].d; + if (vc->vc_mode != KD_TEXT || + registered_fb[con2fb_map[ops->currcon]] != info) + return; + + p = &fb_display[vc->vc_num]; + set_blitting_type(vc, info); + + if (con_is_visible(vc)) { + var_to_display(p, &info->var, info); + cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); + rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + cols /= vc->vc_font.width; + rows /= vc->vc_font.height; + vc_resize(vc, cols, rows); + updatescrollmode(p, info, vc); + scrollback_max = 0; + scrollback_current = 0; + + if (!fbcon_is_inactive(vc, info)) { + ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; + ops->update_start(info); + } + + fbcon_set_palette(vc, color_table); + update_screen(vc); + if (softback_buf) + fbcon_update_softback(vc); + } +} + +static void fbcon_set_all_vcs(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct vc_data *vc; + struct display *p; + int i, rows, cols, fg = -1; + + if (!ops || ops->currcon < 0) + return; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + vc = vc_cons[i].d; + if (!vc || vc->vc_mode != KD_TEXT || + registered_fb[con2fb_map[i]] != info) + continue; + + if (con_is_visible(vc)) { + fg = i; + continue; + } + + p = &fb_display[vc->vc_num]; + set_blitting_type(vc, info); + var_to_display(p, &info->var, info); + cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); + rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + cols /= vc->vc_font.width; + rows /= vc->vc_font.height; + vc_resize(vc, cols, rows); + } + + if (fg != -1) + fbcon_modechanged(info); +} + +static int fbcon_mode_deleted(struct fb_info *info, + struct fb_videomode *mode) +{ + struct fb_info *fb_info; + struct display *p; + int i, j, found = 0; + + /* before deletion, ensure that mode is not in use */ + for (i = first_fb_vc; i <= last_fb_vc; i++) { + j = con2fb_map[i]; + if (j == -1) + continue; + fb_info = registered_fb[j]; + if (fb_info != info) + continue; + p = &fb_display[i]; + if (!p || !p->mode) + continue; + if (fb_mode_is_equal(p->mode, mode)) { + found = 1; + break; + } + } + return found; +} + +#ifdef CONFIG_VT_HW_CONSOLE_BINDING +static int fbcon_unbind(void) +{ + int ret; + + ret = do_unbind_con_driver(&fb_con, first_fb_vc, last_fb_vc, + fbcon_is_default); + + if (!ret) + fbcon_has_console_bind = 0; + + return ret; +} +#else +static inline int fbcon_unbind(void) +{ + return -EINVAL; +} +#endif /* CONFIG_VT_HW_CONSOLE_BINDING */ + +/* called with console_lock held */ +static int fbcon_fb_unbind(int idx) +{ + int i, new_idx = -1, ret = 0; + + if (!fbcon_has_console_bind) + return 0; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] != idx && + con2fb_map[i] != -1) { + new_idx = i; + break; + } + } + + if (new_idx != -1) { + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] == idx) + set_con2fb_map(i, new_idx, 0); + } + } else { + struct fb_info *info = registered_fb[idx]; + + /* This is sort of like set_con2fb_map, except it maps + * the consoles to no device and then releases the + * oldinfo to free memory and cancel the cursor blink + * timer. I can imagine this just becoming part of + * set_con2fb_map where new_idx is -1 + */ + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] == idx) { + con2fb_map[i] = -1; + if (!search_fb_in_map(idx)) { + ret = con2fb_release_oldinfo(vc_cons[i].d, + info, NULL, i, + idx, 0); + if (ret) { + con2fb_map[i] = idx; + return ret; + } + } + } + } + ret = fbcon_unbind(); + } + + return ret; +} + +/* called with console_lock held */ +static int fbcon_fb_unregistered(struct fb_info *info) +{ + int i, idx; + + idx = info->node; + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] == idx) + con2fb_map[i] = -1; + } + + if (idx == info_idx) { + info_idx = -1; + + for (i = 0; i < FB_MAX; i++) { + if (registered_fb[i] != NULL) { + info_idx = i; + break; + } + } + } + + if (info_idx != -1) { + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map[i] == -1) + con2fb_map[i] = info_idx; + } + } + + if (primary_device == idx) + primary_device = -1; + + if (!num_registered_fb) + do_unregister_con_driver(&fb_con); + + return 0; +} + +/* called with console_lock held */ +static void fbcon_remap_all(int idx) +{ + int i; + for (i = first_fb_vc; i <= last_fb_vc; i++) + set_con2fb_map(i, idx, 0); + + if (con_is_bound(&fb_con)) { + printk(KERN_INFO "fbcon: Remapping primary device, " + "fb%i, to tty %i-%i\n", idx, + first_fb_vc + 1, last_fb_vc + 1); + info_idx = idx; + } +} + +#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY +static void fbcon_select_primary(struct fb_info *info) +{ + if (!map_override && primary_device == -1 && + fb_is_primary_device(info)) { + int i; + + printk(KERN_INFO "fbcon: %s (fb%i) is primary device\n", + info->fix.id, info->node); + primary_device = info->node; + + for (i = first_fb_vc; i <= last_fb_vc; i++) + con2fb_map_boot[i] = primary_device; + + if (con_is_bound(&fb_con)) { + printk(KERN_INFO "fbcon: Remapping primary device, " + "fb%i, to tty %i-%i\n", info->node, + first_fb_vc + 1, last_fb_vc + 1); + info_idx = primary_device; + } + } + +} +#else +static inline void fbcon_select_primary(struct fb_info *info) +{ + return; +} +#endif /* CONFIG_FRAMEBUFFER_DETECT_PRIMARY */ + +/* called with console_lock held */ +static int fbcon_fb_registered(struct fb_info *info) +{ + int ret = 0, i, idx; + + idx = info->node; + fbcon_select_primary(info); + + if (info_idx == -1) { + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map_boot[i] == idx) { + info_idx = idx; + break; + } + } + + if (info_idx != -1) + ret = do_fbcon_takeover(1); + } else { + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (con2fb_map_boot[i] == idx) + set_con2fb_map(i, idx, 0); + } + } + + return ret; +} + +static void fbcon_fb_blanked(struct fb_info *info, int blank) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct vc_data *vc; + + if (!ops || ops->currcon < 0) + return; + + vc = vc_cons[ops->currcon].d; + if (vc->vc_mode != KD_TEXT || + registered_fb[con2fb_map[ops->currcon]] != info) + return; + + if (con_is_visible(vc)) { + if (blank) + do_blank_screen(0); + else + do_unblank_screen(0); + } + ops->blank_state = blank; +} + +static void fbcon_new_modelist(struct fb_info *info) +{ + int i; + struct vc_data *vc; + struct fb_var_screeninfo var; + const struct fb_videomode *mode; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + if (registered_fb[con2fb_map[i]] != info) + continue; + if (!fb_display[i].mode) + continue; + vc = vc_cons[i].d; + display_to_var(&var, &fb_display[i]); + mode = fb_find_nearest_mode(fb_display[i].mode, + &info->modelist); + fb_videomode_to_var(&var, mode); + fbcon_set_disp(info, &var, vc->vc_num); + } +} + +static void fbcon_get_requirement(struct fb_info *info, + struct fb_blit_caps *caps) +{ + struct vc_data *vc; + struct display *p; + + if (caps->flags) { + int i, charcnt; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + vc = vc_cons[i].d; + if (vc && vc->vc_mode == KD_TEXT && + info->node == con2fb_map[i]) { + p = &fb_display[i]; + caps->x |= 1 << (vc->vc_font.width - 1); + caps->y |= 1 << (vc->vc_font.height - 1); + charcnt = (p->userfont) ? + FNTCHARCNT(p->fontdata) : 256; + if (caps->len < charcnt) + caps->len = charcnt; + } + } + } else { + vc = vc_cons[fg_console].d; + + if (vc && vc->vc_mode == KD_TEXT && + info->node == con2fb_map[fg_console]) { + p = &fb_display[fg_console]; + caps->x = 1 << (vc->vc_font.width - 1); + caps->y = 1 << (vc->vc_font.height - 1); + caps->len = (p->userfont) ? + FNTCHARCNT(p->fontdata) : 256; + } + } +} + +static int fbcon_event_notify(struct notifier_block *self, + unsigned long action, void *data) +{ + struct fb_event *event = data; + struct fb_info *info = event->info; + struct fb_videomode *mode; + struct fb_con2fbmap *con2fb; + struct fb_blit_caps *caps; + int idx, ret = 0; + + /* + * ignore all events except driver registration and deregistration + * if fbcon is not active + */ + if (fbcon_has_exited && !(action == FB_EVENT_FB_REGISTERED || + action == FB_EVENT_FB_UNREGISTERED)) + goto done; + + switch(action) { + case FB_EVENT_SUSPEND: + fbcon_suspended(info); + break; + case FB_EVENT_RESUME: + fbcon_resumed(info); + break; + case FB_EVENT_MODE_CHANGE: + fbcon_modechanged(info); + break; + case FB_EVENT_MODE_CHANGE_ALL: + fbcon_set_all_vcs(info); + break; + case FB_EVENT_MODE_DELETE: + mode = event->data; + ret = fbcon_mode_deleted(info, mode); + break; + case FB_EVENT_FB_UNBIND: + idx = info->node; + ret = fbcon_fb_unbind(idx); + break; + case FB_EVENT_FB_REGISTERED: + ret = fbcon_fb_registered(info); + break; + case FB_EVENT_FB_UNREGISTERED: + ret = fbcon_fb_unregistered(info); + break; + case FB_EVENT_SET_CONSOLE_MAP: + /* called with console lock held */ + con2fb = event->data; + ret = set_con2fb_map(con2fb->console - 1, + con2fb->framebuffer, 1); + break; + case FB_EVENT_GET_CONSOLE_MAP: + con2fb = event->data; + con2fb->framebuffer = con2fb_map[con2fb->console - 1]; + break; + case FB_EVENT_BLANK: + fbcon_fb_blanked(info, *(int *)event->data); + break; + case FB_EVENT_NEW_MODELIST: + fbcon_new_modelist(info); + break; + case FB_EVENT_GET_REQ: + caps = event->data; + fbcon_get_requirement(info, caps); + break; + case FB_EVENT_REMAP_ALL_CONSOLE: + idx = info->node; + fbcon_remap_all(idx); + break; + } +done: + return ret; +} + +/* + * The console `switch' structure for the frame buffer based console + */ + +static const struct consw fb_con = { + .owner = THIS_MODULE, + .con_startup = fbcon_startup, + .con_init = fbcon_init, + .con_deinit = fbcon_deinit, + .con_clear = fbcon_clear, + .con_putc = fbcon_putc, + .con_putcs = fbcon_putcs, + .con_cursor = fbcon_cursor, + .con_scroll = fbcon_scroll, + .con_switch = fbcon_switch, + .con_blank = fbcon_blank, + .con_font_set = fbcon_set_font, + .con_font_get = fbcon_get_font, + .con_font_default = fbcon_set_def_font, + .con_font_copy = fbcon_copy_font, + .con_set_palette = fbcon_set_palette, + .con_scrolldelta = fbcon_scrolldelta, + .con_set_origin = fbcon_set_origin, + .con_invert_region = fbcon_invert_region, + .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 = { + .notifier_call = fbcon_event_notify, +}; + +static ssize_t store_rotate(struct device *device, + struct device_attribute *attr, const char *buf, + size_t count) +{ + struct fb_info *info; + int rotate, idx; + char **last = NULL; + + if (fbcon_has_exited) + return count; + + console_lock(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + rotate = simple_strtoul(buf, last, 0); + fbcon_rotate(info, rotate); +err: + console_unlock(); + return count; +} + +static ssize_t store_rotate_all(struct device *device, + struct device_attribute *attr,const char *buf, + size_t count) +{ + struct fb_info *info; + int rotate, idx; + char **last = NULL; + + if (fbcon_has_exited) + return count; + + console_lock(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + rotate = simple_strtoul(buf, last, 0); + fbcon_rotate_all(info, rotate); +err: + console_unlock(); + return count; +} + +static ssize_t show_rotate(struct device *device, + struct device_attribute *attr,char *buf) +{ + struct fb_info *info; + int rotate = 0, idx; + + if (fbcon_has_exited) + return 0; + + console_lock(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + rotate = fbcon_get_rotate(info); +err: + console_unlock(); + return snprintf(buf, PAGE_SIZE, "%d\n", rotate); +} + +static ssize_t show_cursor_blink(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct fb_info *info; + struct fbcon_ops *ops; + int idx, blink = -1; + + if (fbcon_has_exited) + return 0; + + console_lock(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + ops = info->fbcon_par; + + if (!ops) + goto err; + + blink = (ops->flags & FBCON_FLAGS_CURSOR_TIMER) ? 1 : 0; +err: + console_unlock(); + return snprintf(buf, PAGE_SIZE, "%d\n", blink); +} + +static ssize_t store_cursor_blink(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info; + int blink, idx; + char **last = NULL; + + if (fbcon_has_exited) + return count; + + console_lock(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + + if (!info->fbcon_par) + goto err; + + blink = simple_strtoul(buf, last, 0); + + if (blink) { + fbcon_cursor_noblink = 0; + fbcon_add_cursor_timer(info); + } else { + fbcon_cursor_noblink = 1; + fbcon_del_cursor_timer(info); + } + +err: + console_unlock(); + return count; +} + +static struct device_attribute device_attrs[] = { + __ATTR(rotate, S_IRUGO|S_IWUSR, show_rotate, store_rotate), + __ATTR(rotate_all, S_IWUSR, NULL, store_rotate_all), + __ATTR(cursor_blink, S_IRUGO|S_IWUSR, show_cursor_blink, + store_cursor_blink), +}; + +static int fbcon_init_device(void) +{ + int i, error = 0; + + fbcon_has_sysfs = 1; + + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) { + error = device_create_file(fbcon_device, &device_attrs[i]); + + if (error) + break; + } + + if (error) { + while (--i >= 0) + device_remove_file(fbcon_device, &device_attrs[i]); + + fbcon_has_sysfs = 0; + } + + return 0; +} + +static void fbcon_start(void) +{ + if (num_registered_fb) { + int i; + + console_lock(); + + for (i = 0; i < FB_MAX; i++) { + if (registered_fb[i] != NULL) { + info_idx = i; + break; + } + } + + do_fbcon_takeover(0); + console_unlock(); + + } +} + +static void fbcon_exit(void) +{ + struct fb_info *info; + int i, j, mapped; + + if (fbcon_has_exited) + return; + + kfree((void *)softback_buf); + softback_buf = 0UL; + + for (i = 0; i < FB_MAX; i++) { + int pending = 0; + + mapped = 0; + info = registered_fb[i]; + + if (info == NULL) + continue; + + if (info->queue.func) + pending = cancel_work_sync(&info->queue); + DPRINTK("fbcon: %s pending work\n", (pending ? "canceled" : + "no")); + + for (j = first_fb_vc; j <= last_fb_vc; j++) { + if (con2fb_map[j] == i) { + mapped = 1; + break; + } + } + + if (mapped) { + if (info->fbops->fb_release) + info->fbops->fb_release(info, 0); + module_put(info->fbops->owner); + + if (info->fbcon_par) { + struct fbcon_ops *ops = info->fbcon_par; + + fbcon_del_cursor_timer(info); + kfree(ops->cursor_src); + kfree(ops->cursor_state.mask); + kfree(info->fbcon_par); + info->fbcon_par = NULL; + } + + if (info->queue.func == fb_flashcursor) + info->queue.func = NULL; + } + } + + fbcon_has_exited = 1; +} + +void __init fb_console_init(void) +{ + int i; + + console_lock(); + fb_register_client(&fbcon_event_notifier); + fbcon_device = device_create(fb_class, NULL, MKDEV(0, 0), NULL, + "fbcon"); + + if (IS_ERR(fbcon_device)) { + printk(KERN_WARNING "Unable to create device " + "for fbcon; errno = %ld\n", + PTR_ERR(fbcon_device)); + fbcon_device = NULL; + } else + fbcon_init_device(); + + for (i = 0; i < MAX_NR_CONSOLES; i++) + con2fb_map[i] = -1; + + console_unlock(); + fbcon_start(); +} + +#ifdef MODULE + +static void __exit fbcon_deinit_device(void) +{ + int i; + + if (fbcon_has_sysfs) { + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) + device_remove_file(fbcon_device, &device_attrs[i]); + + fbcon_has_sysfs = 0; + } +} + +void __exit fb_console_exit(void) +{ + console_lock(); + fb_unregister_client(&fbcon_event_notifier); + fbcon_deinit_device(); + device_destroy(fb_class, MKDEV(0, 0)); + fbcon_exit(); + do_unregister_con_driver(&fb_con); + console_unlock(); +} +#endif diff --git a/drivers/video/fbdev/core/fbcon.h b/drivers/video/fbdev/core/fbcon.h new file mode 100644 index 000000000000..18f3ac144237 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon.h @@ -0,0 +1,270 @@ +/* + * linux/drivers/video/console/fbcon.h -- Low level frame buffer based console driver + * + * Copyright (C) 1997 Geert Uytterhoeven + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _VIDEO_FBCON_H +#define _VIDEO_FBCON_H + +#include <linux/types.h> +#include <linux/vt_buffer.h> +#include <linux/vt_kern.h> + +#include <asm/io.h> + +#define FBCON_FLAGS_INIT 1 +#define FBCON_FLAGS_CURSOR_TIMER 2 + + /* + * This is the interface between the low-level console driver and the + * low-level frame buffer device + */ + +struct display { + /* Filled in by the low-level console driver */ + const u_char *fontdata; + int userfont; /* != 0 if fontdata kmalloc()ed */ + u_short scrollmode; /* Scroll Method */ + u_short inverse; /* != 0 text black on white as default */ + short yscroll; /* Hardware scrolling */ + int vrows; /* number of virtual rows */ + int cursor_shape; + int con_rotate; + u32 xres_virtual; + u32 yres_virtual; + u32 height; + u32 width; + u32 bits_per_pixel; + u32 grayscale; + u32 nonstd; + u32 accel_flags; + u32 rotate; + struct fb_bitfield red; + struct fb_bitfield green; + struct fb_bitfield blue; + struct fb_bitfield transp; + const struct fb_videomode *mode; +}; + +struct fbcon_ops { + void (*bmove)(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width); + void (*clear)(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width); + void (*putcs)(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg); + void (*clear_margins)(struct vc_data *vc, struct fb_info *info, + int color, int bottom_only); + void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg); + int (*update_start)(struct fb_info *info); + int (*rotate_font)(struct fb_info *info, struct vc_data *vc); + struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */ + struct timer_list cursor_timer; /* Cursor timer */ + struct fb_cursor cursor_state; + struct display *p; + int currcon; /* Current VC. */ + int cur_blink_jiffies; + int cursor_flash; + int cursor_reset; + int blank_state; + int graphics; + int save_graphics; /* for debug enter/leave */ + int flags; + int rotate; + int cur_rotate; + char *cursor_data; + u8 *fontbuffer; + u8 *fontdata; + u8 *cursor_src; + u32 cursor_size; + u32 fd_size; +}; + /* + * Attribute Decoding + */ + +/* Color */ +#define attr_fgcol(fgshift,s) \ + (((s) >> (fgshift)) & 0x0f) +#define attr_bgcol(bgshift,s) \ + (((s) >> (bgshift)) & 0x0f) + +/* Monochrome */ +#define attr_bold(s) \ + ((s) & 0x200) +#define attr_reverse(s) \ + ((s) & 0x800) +#define attr_underline(s) \ + ((s) & 0x400) +#define attr_blink(s) \ + ((s) & 0x8000) + + +static inline int mono_col(const struct fb_info *info) +{ + __u32 max_len; + max_len = max(info->var.green.length, info->var.red.length); + max_len = max(info->var.blue.length, max_len); + return (~(0xfff << max_len)) & 0xff; +} + +static inline int attr_col_ec(int shift, struct vc_data *vc, + struct fb_info *info, int is_fg) +{ + int is_mono01; + int col; + int fg; + int bg; + + if (!vc) + return 0; + + if (vc->vc_can_do_color) + return is_fg ? attr_fgcol(shift,vc->vc_video_erase_char) + : attr_bgcol(shift,vc->vc_video_erase_char); + + if (!info) + return 0; + + col = mono_col(info); + is_mono01 = info->fix.visual == FB_VISUAL_MONO01; + + if (attr_reverse(vc->vc_video_erase_char)) { + fg = is_mono01 ? col : 0; + bg = is_mono01 ? 0 : col; + } + else { + fg = is_mono01 ? 0 : col; + bg = is_mono01 ? col : 0; + } + + return is_fg ? fg : bg; +} + +#define attr_bgcol_ec(bgshift, vc, info) attr_col_ec(bgshift, vc, info, 0) +#define attr_fgcol_ec(fgshift, vc, info) attr_col_ec(fgshift, vc, info, 1) + +/* Font */ +#define REFCOUNT(fd) (((int *)(fd))[-1]) +#define FNTSIZE(fd) (((int *)(fd))[-2]) +#define FNTCHARCNT(fd) (((int *)(fd))[-3]) +#define FNTSUM(fd) (((int *)(fd))[-4]) +#define FONT_EXTRA_WORDS 4 + + /* + * Scroll Method + */ + +/* There are several methods fbcon can use to move text around the screen: + * + * Operation Pan Wrap + *--------------------------------------------- + * SCROLL_MOVE copyarea No No + * SCROLL_PAN_MOVE copyarea Yes No + * SCROLL_WRAP_MOVE copyarea No Yes + * SCROLL_REDRAW imageblit No No + * SCROLL_PAN_REDRAW imageblit Yes No + * SCROLL_WRAP_REDRAW imageblit No Yes + * + * (SCROLL_WRAP_REDRAW is not implemented yet) + * + * In general, fbcon will choose the best scrolling + * method based on the rule below: + * + * Pan/Wrap > accel imageblit > accel copyarea > + * soft imageblit > (soft copyarea) + * + * Exception to the rule: Pan + accel copyarea is + * preferred over Pan + accel imageblit. + * + * The above is typical for PCI/AGP cards. Unless + * overridden, fbcon will never use soft copyarea. + * + * If you need to override the above rule, set the + * appropriate flags in fb_info->flags. For example, + * to prefer copyarea over imageblit, set + * FBINFO_READS_FAST. + * + * Other notes: + * + use the hardware engine to move the text + * (hw-accelerated copyarea() and fillrect()) + * + use hardware-supported panning on a large virtual screen + * + amifb can not only pan, but also wrap the display by N lines + * (i.e. visible line i = physical line (i+N) % yres). + * + read what's already rendered on the screen and + * write it in a different place (this is cfb_copyarea()) + * + re-render the text to the screen + * + * Whether to use wrapping or panning can only be figured out at + * runtime (when we know whether our font height is a multiple + * of the pan/wrap step) + * + */ + +#define SCROLL_MOVE 0x001 +#define SCROLL_PAN_MOVE 0x002 +#define SCROLL_WRAP_MOVE 0x003 +#define SCROLL_REDRAW 0x004 +#define SCROLL_PAN_REDRAW 0x005 + +#ifdef CONFIG_FB_TILEBLITTING +extern void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info); +#endif +extern void fbcon_set_bitops(struct fbcon_ops *ops); +extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor); + +#define FBCON_ATTRIBUTE_UNDERLINE 1 +#define FBCON_ATTRIBUTE_REVERSE 2 +#define FBCON_ATTRIBUTE_BOLD 4 + +static inline int real_y(struct display *p, int ypos) +{ + int rows = p->vrows; + + ypos += p->yscroll; + return ypos < rows ? ypos : ypos - rows; +} + + +static inline int get_attribute(struct fb_info *info, u16 c) +{ + int attribute = 0; + + if (fb_get_color_depth(&info->var, &info->fix) == 1) { + if (attr_underline(c)) + attribute |= FBCON_ATTRIBUTE_UNDERLINE; + if (attr_reverse(c)) + attribute |= FBCON_ATTRIBUTE_REVERSE; + if (attr_bold(c)) + attribute |= FBCON_ATTRIBUTE_BOLD; + } + + return attribute; +} + +#define FBCON_SWAP(i,r,v) ({ \ + typeof(r) _r = (r); \ + typeof(v) _v = (v); \ + (void) (&_r == &_v); \ + (i == FB_ROTATE_UR || i == FB_ROTATE_UD) ? _r : _v; }) + +#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION +extern void fbcon_set_rotate(struct fbcon_ops *ops); +#else +#define fbcon_set_rotate(x) do {} while(0) +#endif /* CONFIG_FRAMEBUFFER_CONSOLE_ROTATION */ + +#ifdef CONFIG_DMI +int fbcon_platform_get_rotate(struct fb_info *info); +#else +#define fbcon_platform_get_rotate(i) FB_ROTATE_UR +#endif /* CONFIG_DMI */ + +#endif /* _VIDEO_FBCON_H */ diff --git a/drivers/video/fbdev/core/fbcon_ccw.c b/drivers/video/fbdev/core/fbcon_ccw.c new file mode 100644 index 000000000000..37a8b0b22566 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon_ccw.c @@ -0,0 +1,420 @@ +/* + * linux/drivers/video/console/fbcon_ccw.c -- Software Rotation - 270 degrees + * + * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" +#include "fbcon_rotate.h" + +/* + * Rotation 270 degrees + */ + +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; + int width = (vc->vc_font.height + 7) >> 3; + int mod = vc->vc_font.height % 8; + u8 c, msk = ~(0xff << offset), msk1 = 0; + + if (mod) + msk <<= (8 - mod); + + if (offset > mod) + msk1 |= 0x01; + + for (i = 0; i < vc->vc_font.width; i++) { + for (j = 0; j < width; j++) { + c = *src; + + if (attribute & FBCON_ATTRIBUTE_UNDERLINE) { + if (j == width - 1) + c |= msk; + + if (msk1 && j == width - 2) + c |= msk1; + } + + if (attribute & FBCON_ATTRIBUTE_BOLD && i) + *(dst - width) |= c; + + if (attribute & FBCON_ATTRIBUTE_REVERSE) + c = ~c; + src++; + *dst++ = c; + } + } +} + + +static void ccw_bmove(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct fb_copyarea area; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + + area.sx = sy * vc->vc_font.height; + area.sy = vyres - ((sx + width) * vc->vc_font.width); + area.dx = dy * vc->vc_font.height; + area.dy = vyres - ((dx + width) * vc->vc_font.width); + area.width = height * vc->vc_font.height; + area.height = width * vc->vc_font.width; + + info->fbops->fb_copyarea(info, &area); +} + +static void ccw_clear(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct fb_fillrect region; + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + + region.color = attr_bgcol_ec(bgshift,vc,info); + region.dx = sy * vc->vc_font.height; + region.dy = vyres - ((sx + width) * vc->vc_font.width); + region.height = width * vc->vc_font.width; + region.width = height * vc->vc_font.height; + region.rop = ROP_COPY; + + info->fbops->fb_fillrect(info, ®ion); +} + +static inline void ccw_putcs_aligned(struct vc_data *vc, struct fb_info *info, + const u16 *s, u32 attr, u32 cnt, + u32 d_pitch, u32 s_pitch, u32 cellsize, + struct fb_image *image, u8 *buf, u8 *dst) +{ + struct fbcon_ops *ops = info->fbcon_par; + u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + u32 idx = (vc->vc_font.height + 7) >> 3; + u8 *src; + + while (cnt--) { + src = ops->fontbuffer + (scr_readw(s--) & charmask)*cellsize; + + if (attr) { + ccw_update_attr(buf, src, attr, vc); + src = buf; + } + + if (likely(idx == 1)) + __fb_pad_aligned_buffer(dst, d_pitch, src, idx, + vc->vc_font.width); + else + fb_pad_aligned_buffer(dst, d_pitch, src, idx, + vc->vc_font.width); + + dst += d_pitch * vc->vc_font.width; + } + + info->fbops->fb_imageblit(info, image); +} + +static void ccw_putcs(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg) +{ + struct fb_image image; + struct fbcon_ops *ops = info->fbcon_par; + u32 width = (vc->vc_font.height + 7)/8; + u32 cellsize = width * vc->vc_font.width; + u32 maxcnt = info->pixmap.size/cellsize; + u32 scan_align = info->pixmap.scan_align - 1; + u32 buf_align = info->pixmap.buf_align - 1; + u32 cnt, pitch, size; + u32 attribute = get_attribute(info, scr_readw(s)); + u8 *dst, *buf = NULL; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + + if (!ops->fontbuffer) + return; + + image.fg_color = fg; + image.bg_color = bg; + image.dx = yy * vc->vc_font.height; + image.dy = vyres - ((xx + count) * vc->vc_font.width); + image.width = vc->vc_font.height; + image.depth = 1; + + if (attribute) { + buf = kmalloc(cellsize, GFP_KERNEL); + if (!buf) + return; + } + + s += count - 1; + + while (count) { + if (count > maxcnt) + cnt = maxcnt; + else + cnt = count; + + image.height = vc->vc_font.width * cnt; + pitch = ((image.width + 7) >> 3) + scan_align; + pitch &= ~scan_align; + size = pitch * image.height + buf_align; + size &= ~buf_align; + dst = fb_get_buffer_offset(info, &info->pixmap, size); + image.data = dst; + ccw_putcs_aligned(vc, info, s, attribute, cnt, pitch, + width, cellsize, &image, buf, dst); + image.dy += image.height; + count -= cnt; + s -= cnt; + } + + /* buf is always NULL except when in monochrome mode, so in this case + it's a gain to check buf against NULL even though kfree() handles + NULL pointers just fine */ + if (unlikely(buf)) + kfree(buf); + +} + +static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info, + int color, int bottom_only) +{ + unsigned int cw = vc->vc_font.width; + unsigned int ch = vc->vc_font.height; + unsigned int rw = info->var.yres - (vc->vc_cols*cw); + unsigned int bh = info->var.xres - (vc->vc_rows*ch); + unsigned int bs = vc->vc_rows*ch; + struct fb_fillrect region; + + region.color = color; + region.rop = ROP_COPY; + + if (rw && !bottom_only) { + region.dx = 0; + region.dy = info->var.yoffset; + region.height = rw; + region.width = info->var.xres_virtual; + info->fbops->fb_fillrect(info, ®ion); + } + + if (bh) { + region.dx = info->var.xoffset + bs; + region.dy = 0; + region.height = info->var.yres_virtual; + region.width = bh; + info->fbops->fb_fillrect(info, ®ion); + } +} + +static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) +{ + struct fb_cursor cursor; + struct fbcon_ops *ops = info->fbcon_par; + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + int w = (vc->vc_font.height + 7) >> 3, c; + int y = real_y(ops->p, vc->vc_y); + int attribute, use_sw = (vc->vc_cursor_type & 0x10); + int err = 1, dx, dy; + char *src; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + + if (!ops->fontbuffer) + return; + + cursor.set = 0; + + if (softback_lines) { + if (y + softback_lines >= vc->vc_rows) { + mode = CM_ERASE; + ops->cursor_flash = 0; + return; + } else + y += softback_lines; + } + + c = scr_readw((u16 *) vc->vc_pos); + attribute = get_attribute(info, c); + src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width)); + + if (ops->cursor_state.image.data != src || + ops->cursor_reset) { + ops->cursor_state.image.data = src; + cursor.set |= FB_CUR_SETIMAGE; + } + + if (attribute) { + u8 *dst; + + dst = kmalloc(w * vc->vc_font.width, GFP_ATOMIC); + if (!dst) + return; + kfree(ops->cursor_data); + ops->cursor_data = dst; + ccw_update_attr(dst, src, attribute, vc); + src = dst; + } + + if (ops->cursor_state.image.fg_color != fg || + ops->cursor_state.image.bg_color != bg || + ops->cursor_reset) { + ops->cursor_state.image.fg_color = fg; + ops->cursor_state.image.bg_color = bg; + cursor.set |= FB_CUR_SETCMAP; + } + + if (ops->cursor_state.image.height != vc->vc_font.width || + ops->cursor_state.image.width != vc->vc_font.height || + ops->cursor_reset) { + ops->cursor_state.image.height = vc->vc_font.width; + ops->cursor_state.image.width = vc->vc_font.height; + cursor.set |= FB_CUR_SETSIZE; + } + + dx = y * vc->vc_font.height; + dy = vyres - ((vc->vc_x + 1) * vc->vc_font.width); + + if (ops->cursor_state.image.dx != dx || + ops->cursor_state.image.dy != dy || + ops->cursor_reset) { + ops->cursor_state.image.dx = dx; + ops->cursor_state.image.dy = dy; + cursor.set |= FB_CUR_SETPOS; + } + + if (ops->cursor_state.hot.x || ops->cursor_state.hot.y || + ops->cursor_reset) { + ops->cursor_state.hot.x = cursor.hot.y = 0; + cursor.set |= FB_CUR_SETHOT; + } + + if (cursor.set & FB_CUR_SETSIZE || + vc->vc_cursor_type != ops->p->cursor_shape || + ops->cursor_state.mask == NULL || + ops->cursor_reset) { + char *tmp, *mask = kmalloc(w*vc->vc_font.width, GFP_ATOMIC); + int cur_height, size, i = 0; + int width = (vc->vc_font.width + 7)/8; + + if (!mask) + return; + + tmp = kmalloc(width * vc->vc_font.height, GFP_ATOMIC); + + if (!tmp) { + kfree(mask); + return; + } + + kfree(ops->cursor_state.mask); + ops->cursor_state.mask = mask; + + ops->p->cursor_shape = vc->vc_cursor_type; + cursor.set |= FB_CUR_SETSHAPE; + + switch (ops->p->cursor_shape & CUR_HWMASK) { + case CUR_NONE: + cur_height = 0; + break; + case CUR_UNDERLINE: + cur_height = (vc->vc_font.height < 10) ? 1 : 2; + break; + case CUR_LOWER_THIRD: + cur_height = vc->vc_font.height/3; + break; + case CUR_LOWER_HALF: + cur_height = vc->vc_font.height >> 1; + break; + case CUR_TWO_THIRDS: + cur_height = (vc->vc_font.height << 1)/3; + break; + case CUR_BLOCK: + default: + cur_height = vc->vc_font.height; + break; + } + + size = (vc->vc_font.height - cur_height) * width; + while (size--) + tmp[i++] = 0; + size = cur_height * width; + while (size--) + tmp[i++] = 0xff; + memset(mask, 0, w * vc->vc_font.width); + rotate_ccw(tmp, mask, vc->vc_font.width, vc->vc_font.height); + kfree(tmp); + } + + switch (mode) { + case CM_ERASE: + ops->cursor_state.enable = 0; + break; + case CM_DRAW: + case CM_MOVE: + default: + ops->cursor_state.enable = (use_sw) ? 0 : 1; + break; + } + + cursor.image.data = src; + cursor.image.fg_color = ops->cursor_state.image.fg_color; + cursor.image.bg_color = ops->cursor_state.image.bg_color; + cursor.image.dx = ops->cursor_state.image.dx; + cursor.image.dy = ops->cursor_state.image.dy; + cursor.image.height = ops->cursor_state.image.height; + cursor.image.width = ops->cursor_state.image.width; + cursor.hot.x = ops->cursor_state.hot.x; + cursor.hot.y = ops->cursor_state.hot.y; + cursor.mask = ops->cursor_state.mask; + cursor.enable = ops->cursor_state.enable; + cursor.image.depth = 1; + cursor.rop = ROP_XOR; + + if (info->fbops->fb_cursor) + err = info->fbops->fb_cursor(info, &cursor); + + if (err) + soft_cursor(info, &cursor); + + ops->cursor_reset = 0; +} + +static int ccw_update_start(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + u32 yoffset; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + int err; + + yoffset = (vyres - info->var.yres) - ops->var.xoffset; + ops->var.xoffset = ops->var.yoffset; + ops->var.yoffset = yoffset; + err = fb_pan_display(info, &ops->var); + ops->var.xoffset = info->var.xoffset; + ops->var.yoffset = info->var.yoffset; + ops->var.vmode = info->var.vmode; + return err; +} + +void fbcon_rotate_ccw(struct fbcon_ops *ops) +{ + ops->bmove = ccw_bmove; + ops->clear = ccw_clear; + ops->putcs = ccw_putcs; + ops->clear_margins = ccw_clear_margins; + ops->cursor = ccw_cursor; + ops->update_start = ccw_update_start; +} +EXPORT_SYMBOL(fbcon_rotate_ccw); diff --git a/drivers/video/fbdev/core/fbcon_cw.c b/drivers/video/fbdev/core/fbcon_cw.c new file mode 100644 index 000000000000..1888f8c866e8 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon_cw.c @@ -0,0 +1,403 @@ +/* + * linux/drivers/video/console/fbcon_ud.c -- Software Rotation - 90 degrees + * + * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" +#include "fbcon_rotate.h" + +/* + * Rotation 90 degrees + */ + +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; + int width = (vc->vc_font.height + 7) >> 3; + u8 c, msk = ~(0xff >> offset); + + for (i = 0; i < vc->vc_font.width; i++) { + for (j = 0; j < width; j++) { + c = *src; + if (attribute & FBCON_ATTRIBUTE_UNDERLINE && !j) + c |= msk; + if (attribute & FBCON_ATTRIBUTE_BOLD && i) + c |= *(src-width); + if (attribute & FBCON_ATTRIBUTE_REVERSE) + c = ~c; + src++; + *dst++ = c; + } + } +} + + +static void cw_bmove(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct fb_copyarea area; + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + area.sx = vxres - ((sy + height) * vc->vc_font.height); + area.sy = sx * vc->vc_font.width; + area.dx = vxres - ((dy + height) * vc->vc_font.height); + area.dy = dx * vc->vc_font.width; + area.width = height * vc->vc_font.height; + area.height = width * vc->vc_font.width; + + info->fbops->fb_copyarea(info, &area); +} + +static void cw_clear(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct fb_fillrect region; + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + region.color = attr_bgcol_ec(bgshift,vc,info); + region.dx = vxres - ((sy + height) * vc->vc_font.height); + region.dy = sx * vc->vc_font.width; + region.height = width * vc->vc_font.width; + region.width = height * vc->vc_font.height; + region.rop = ROP_COPY; + + info->fbops->fb_fillrect(info, ®ion); +} + +static inline void cw_putcs_aligned(struct vc_data *vc, struct fb_info *info, + const u16 *s, u32 attr, u32 cnt, + u32 d_pitch, u32 s_pitch, u32 cellsize, + struct fb_image *image, u8 *buf, u8 *dst) +{ + struct fbcon_ops *ops = info->fbcon_par; + u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + u32 idx = (vc->vc_font.height + 7) >> 3; + u8 *src; + + while (cnt--) { + src = ops->fontbuffer + (scr_readw(s++) & charmask)*cellsize; + + if (attr) { + cw_update_attr(buf, src, attr, vc); + src = buf; + } + + if (likely(idx == 1)) + __fb_pad_aligned_buffer(dst, d_pitch, src, idx, + vc->vc_font.width); + else + fb_pad_aligned_buffer(dst, d_pitch, src, idx, + vc->vc_font.width); + + dst += d_pitch * vc->vc_font.width; + } + + info->fbops->fb_imageblit(info, image); +} + +static void cw_putcs(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg) +{ + struct fb_image image; + struct fbcon_ops *ops = info->fbcon_par; + u32 width = (vc->vc_font.height + 7)/8; + u32 cellsize = width * vc->vc_font.width; + u32 maxcnt = info->pixmap.size/cellsize; + u32 scan_align = info->pixmap.scan_align - 1; + u32 buf_align = info->pixmap.buf_align - 1; + u32 cnt, pitch, size; + u32 attribute = get_attribute(info, scr_readw(s)); + u8 *dst, *buf = NULL; + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + if (!ops->fontbuffer) + return; + + image.fg_color = fg; + image.bg_color = bg; + image.dx = vxres - ((yy + 1) * vc->vc_font.height); + image.dy = xx * vc->vc_font.width; + image.width = vc->vc_font.height; + image.depth = 1; + + if (attribute) { + buf = kmalloc(cellsize, GFP_KERNEL); + if (!buf) + return; + } + + while (count) { + if (count > maxcnt) + cnt = maxcnt; + else + cnt = count; + + image.height = vc->vc_font.width * cnt; + pitch = ((image.width + 7) >> 3) + scan_align; + pitch &= ~scan_align; + size = pitch * image.height + buf_align; + size &= ~buf_align; + dst = fb_get_buffer_offset(info, &info->pixmap, size); + image.data = dst; + cw_putcs_aligned(vc, info, s, attribute, cnt, pitch, + width, cellsize, &image, buf, dst); + image.dy += image.height; + count -= cnt; + s += cnt; + } + + /* buf is always NULL except when in monochrome mode, so in this case + it's a gain to check buf against NULL even though kfree() handles + NULL pointers just fine */ + if (unlikely(buf)) + kfree(buf); + +} + +static void cw_clear_margins(struct vc_data *vc, struct fb_info *info, + int color, int bottom_only) +{ + unsigned int cw = vc->vc_font.width; + unsigned int ch = vc->vc_font.height; + unsigned int rw = info->var.yres - (vc->vc_cols*cw); + unsigned int bh = info->var.xres - (vc->vc_rows*ch); + unsigned int rs = info->var.yres - rw; + struct fb_fillrect region; + + region.color = color; + region.rop = ROP_COPY; + + if (rw && !bottom_only) { + region.dx = 0; + region.dy = info->var.yoffset + rs; + region.height = rw; + region.width = info->var.xres_virtual; + info->fbops->fb_fillrect(info, ®ion); + } + + if (bh) { + region.dx = info->var.xoffset; + region.dy = info->var.yoffset; + region.height = info->var.yres; + region.width = bh; + info->fbops->fb_fillrect(info, ®ion); + } +} + +static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) +{ + struct fb_cursor cursor; + struct fbcon_ops *ops = info->fbcon_par; + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + int w = (vc->vc_font.height + 7) >> 3, c; + int y = real_y(ops->p, vc->vc_y); + int attribute, use_sw = (vc->vc_cursor_type & 0x10); + int err = 1, dx, dy; + char *src; + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + if (!ops->fontbuffer) + return; + + cursor.set = 0; + + if (softback_lines) { + if (y + softback_lines >= vc->vc_rows) { + mode = CM_ERASE; + ops->cursor_flash = 0; + return; + } else + y += softback_lines; + } + + c = scr_readw((u16 *) vc->vc_pos); + attribute = get_attribute(info, c); + src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width)); + + if (ops->cursor_state.image.data != src || + ops->cursor_reset) { + ops->cursor_state.image.data = src; + cursor.set |= FB_CUR_SETIMAGE; + } + + if (attribute) { + u8 *dst; + + dst = kmalloc(w * vc->vc_font.width, GFP_ATOMIC); + if (!dst) + return; + kfree(ops->cursor_data); + ops->cursor_data = dst; + cw_update_attr(dst, src, attribute, vc); + src = dst; + } + + if (ops->cursor_state.image.fg_color != fg || + ops->cursor_state.image.bg_color != bg || + ops->cursor_reset) { + ops->cursor_state.image.fg_color = fg; + ops->cursor_state.image.bg_color = bg; + cursor.set |= FB_CUR_SETCMAP; + } + + if (ops->cursor_state.image.height != vc->vc_font.width || + ops->cursor_state.image.width != vc->vc_font.height || + ops->cursor_reset) { + ops->cursor_state.image.height = vc->vc_font.width; + ops->cursor_state.image.width = vc->vc_font.height; + cursor.set |= FB_CUR_SETSIZE; + } + + dx = vxres - ((y * vc->vc_font.height) + vc->vc_font.height); + dy = vc->vc_x * vc->vc_font.width; + + if (ops->cursor_state.image.dx != dx || + ops->cursor_state.image.dy != dy || + ops->cursor_reset) { + ops->cursor_state.image.dx = dx; + ops->cursor_state.image.dy = dy; + cursor.set |= FB_CUR_SETPOS; + } + + if (ops->cursor_state.hot.x || ops->cursor_state.hot.y || + ops->cursor_reset) { + ops->cursor_state.hot.x = cursor.hot.y = 0; + cursor.set |= FB_CUR_SETHOT; + } + + if (cursor.set & FB_CUR_SETSIZE || + vc->vc_cursor_type != ops->p->cursor_shape || + ops->cursor_state.mask == NULL || + ops->cursor_reset) { + char *tmp, *mask = kmalloc(w*vc->vc_font.width, GFP_ATOMIC); + int cur_height, size, i = 0; + int width = (vc->vc_font.width + 7)/8; + + if (!mask) + return; + + tmp = kmalloc(width * vc->vc_font.height, GFP_ATOMIC); + + if (!tmp) { + kfree(mask); + return; + } + + kfree(ops->cursor_state.mask); + ops->cursor_state.mask = mask; + + ops->p->cursor_shape = vc->vc_cursor_type; + cursor.set |= FB_CUR_SETSHAPE; + + switch (ops->p->cursor_shape & CUR_HWMASK) { + case CUR_NONE: + cur_height = 0; + break; + case CUR_UNDERLINE: + cur_height = (vc->vc_font.height < 10) ? 1 : 2; + break; + case CUR_LOWER_THIRD: + cur_height = vc->vc_font.height/3; + break; + case CUR_LOWER_HALF: + cur_height = vc->vc_font.height >> 1; + break; + case CUR_TWO_THIRDS: + cur_height = (vc->vc_font.height << 1)/3; + break; + case CUR_BLOCK: + default: + cur_height = vc->vc_font.height; + break; + } + + size = (vc->vc_font.height - cur_height) * width; + while (size--) + tmp[i++] = 0; + size = cur_height * width; + while (size--) + tmp[i++] = 0xff; + memset(mask, 0, w * vc->vc_font.width); + rotate_cw(tmp, mask, vc->vc_font.width, vc->vc_font.height); + kfree(tmp); + } + + switch (mode) { + case CM_ERASE: + ops->cursor_state.enable = 0; + break; + case CM_DRAW: + case CM_MOVE: + default: + ops->cursor_state.enable = (use_sw) ? 0 : 1; + break; + } + + cursor.image.data = src; + cursor.image.fg_color = ops->cursor_state.image.fg_color; + cursor.image.bg_color = ops->cursor_state.image.bg_color; + cursor.image.dx = ops->cursor_state.image.dx; + cursor.image.dy = ops->cursor_state.image.dy; + cursor.image.height = ops->cursor_state.image.height; + cursor.image.width = ops->cursor_state.image.width; + cursor.hot.x = ops->cursor_state.hot.x; + cursor.hot.y = ops->cursor_state.hot.y; + cursor.mask = ops->cursor_state.mask; + cursor.enable = ops->cursor_state.enable; + cursor.image.depth = 1; + cursor.rop = ROP_XOR; + + if (info->fbops->fb_cursor) + err = info->fbops->fb_cursor(info, &cursor); + + if (err) + soft_cursor(info, &cursor); + + ops->cursor_reset = 0; +} + +static int cw_update_start(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + u32 vxres = GETVXRES(ops->p->scrollmode, info); + u32 xoffset; + int err; + + xoffset = vxres - (info->var.xres + ops->var.yoffset); + ops->var.yoffset = ops->var.xoffset; + ops->var.xoffset = xoffset; + err = fb_pan_display(info, &ops->var); + ops->var.xoffset = info->var.xoffset; + ops->var.yoffset = info->var.yoffset; + ops->var.vmode = info->var.vmode; + return err; +} + +void fbcon_rotate_cw(struct fbcon_ops *ops) +{ + ops->bmove = cw_bmove; + ops->clear = cw_clear; + ops->putcs = cw_putcs; + ops->clear_margins = cw_clear_margins; + ops->cursor = cw_cursor; + ops->update_start = cw_update_start; +} +EXPORT_SYMBOL(fbcon_rotate_cw); diff --git a/drivers/video/fbdev/core/fbcon_dmi_quirks.c b/drivers/video/fbdev/core/fbcon_dmi_quirks.c new file mode 100644 index 000000000000..6904e47d1e51 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon_dmi_quirks.c @@ -0,0 +1,145 @@ +/* + * fbcon_dmi_quirks.c -- DMI based quirk detection for fbcon + * + * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/dmi.h> +#include <linux/fb.h> +#include <linux/kernel.h> +#include "fbcon.h" + +/* + * Some x86 clamshell design devices use portrait tablet screens and a display + * engine which cannot rotate in hardware, so we need to rotate the fbcon to + * compensate. Unfortunately these (cheap) devices also typically have quite + * generic DMI data, so we match on a combination of DMI data, screen resolution + * and a list of known BIOS dates to avoid false positives. + */ + +struct fbcon_dmi_rotate_data { + int width; + int height; + const char * const *bios_dates; + int rotate; +}; + +static const struct fbcon_dmi_rotate_data rotate_data_asus_t100ha = { + .width = 800, + .height = 1280, + .rotate = FB_ROTATE_CCW, +}; + +static const struct fbcon_dmi_rotate_data rotate_data_gpd_pocket = { + .width = 1200, + .height = 1920, + .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017", + "07/05/2017", "08/07/2017", NULL }, + .rotate = FB_ROTATE_CW, +}; + +static const struct fbcon_dmi_rotate_data rotate_data_gpd_win = { + .width = 720, + .height = 1280, + .bios_dates = (const char * const []){ + "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016", + "02/21/2017", "03/20/2017", "05/25/2017", NULL }, + .rotate = FB_ROTATE_CW, +}; + +static const struct fbcon_dmi_rotate_data rotate_data_itworks_tw891 = { + .width = 800, + .height = 1280, + .bios_dates = (const char * const []){ "10/16/2015", NULL }, + .rotate = FB_ROTATE_CW, +}; + +static const struct fbcon_dmi_rotate_data rotate_data_vios_lth17 = { + .width = 800, + .height = 1280, + .rotate = FB_ROTATE_CW, +}; + +static const struct dmi_system_id rotate_data[] = { + { /* Asus T100HA */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), + }, + .driver_data = (void *)&rotate_data_asus_t100ha, + }, { /* + * GPD Pocket, note that the the DMI data is less generic then + * it seems, devices with a board-vendor of "AMI Corporation" + * are quite rare, as are devices which have both board- *and* + * product-id set to "Default String" + */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), + }, + .driver_data = (void *)&rotate_data_gpd_pocket, + }, { /* GPD Win (same note on DMI match as GPD Pocket) */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), + }, + .driver_data = (void *)&rotate_data_gpd_win, + }, { /* I.T.Works TW891 */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), + }, + .driver_data = (void *)&rotate_data_itworks_tw891, + }, { /* VIOS LTH17 */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"), + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "VIOS"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "LTH17"), + }, + .driver_data = (void *)&rotate_data_vios_lth17, + }, + {} +}; + +int fbcon_platform_get_rotate(struct fb_info *info) +{ + const struct dmi_system_id *match; + const struct fbcon_dmi_rotate_data *data; + const char *bios_date; + int i; + + for (match = dmi_first_match(rotate_data); + match; + match = dmi_first_match(match + 1)) { + data = match->driver_data; + + if (data->width != info->var.xres || + data->height != info->var.yres) + continue; + + if (!data->bios_dates) + return data->rotate; + + bios_date = dmi_get_system_info(DMI_BIOS_DATE); + if (!bios_date) + continue; + + for (i = 0; data->bios_dates[i]; i++) { + if (!strcmp(data->bios_dates[i], bios_date)) + return data->rotate; + } + } + + return FB_ROTATE_UR; +} diff --git a/drivers/video/fbdev/core/fbcon_rotate.c b/drivers/video/fbdev/core/fbcon_rotate.c new file mode 100644 index 000000000000..8a51e4d95cc5 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon_rotate.c @@ -0,0 +1,112 @@ +/* + * linux/drivers/video/console/fbcon_rotate.c -- Software Rotation + * + * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" +#include "fbcon_rotate.h" + +static int fbcon_rotate_font(struct fb_info *info, struct vc_data *vc) +{ + struct fbcon_ops *ops = info->fbcon_par; + int len, err = 0; + int s_cellsize, d_cellsize, i; + const u8 *src; + u8 *dst; + + if (vc->vc_font.data == ops->fontdata && + ops->p->con_rotate == ops->cur_rotate) + goto finished; + + src = ops->fontdata = vc->vc_font.data; + ops->cur_rotate = ops->p->con_rotate; + len = (!ops->p->userfont) ? 256 : FNTCHARCNT(src); + s_cellsize = ((vc->vc_font.width + 7)/8) * + vc->vc_font.height; + d_cellsize = s_cellsize; + + if (ops->rotate == FB_ROTATE_CW || + ops->rotate == FB_ROTATE_CCW) + d_cellsize = ((vc->vc_font.height + 7)/8) * + vc->vc_font.width; + + if (info->fbops->fb_sync) + info->fbops->fb_sync(info); + + if (ops->fd_size < d_cellsize * len) { + dst = kmalloc(d_cellsize * len, GFP_KERNEL); + + if (dst == NULL) { + err = -ENOMEM; + goto finished; + } + + ops->fd_size = d_cellsize * len; + kfree(ops->fontbuffer); + ops->fontbuffer = dst; + } + + dst = ops->fontbuffer; + memset(dst, 0, ops->fd_size); + + switch (ops->rotate) { + case FB_ROTATE_UD: + for (i = len; i--; ) { + rotate_ud(src, dst, vc->vc_font.width, + vc->vc_font.height); + + src += s_cellsize; + dst += d_cellsize; + } + break; + case FB_ROTATE_CW: + for (i = len; i--; ) { + rotate_cw(src, dst, vc->vc_font.width, + vc->vc_font.height); + src += s_cellsize; + dst += d_cellsize; + } + break; + case FB_ROTATE_CCW: + for (i = len; i--; ) { + rotate_ccw(src, dst, vc->vc_font.width, + vc->vc_font.height); + src += s_cellsize; + dst += d_cellsize; + } + break; + } + +finished: + return err; +} + +void fbcon_set_rotate(struct fbcon_ops *ops) +{ + ops->rotate_font = fbcon_rotate_font; + + switch(ops->rotate) { + case FB_ROTATE_CW: + fbcon_rotate_cw(ops); + break; + case FB_ROTATE_UD: + fbcon_rotate_ud(ops); + break; + case FB_ROTATE_CCW: + fbcon_rotate_ccw(ops); + break; + } +} +EXPORT_SYMBOL(fbcon_set_rotate); diff --git a/drivers/video/fbdev/core/fbcon_rotate.h b/drivers/video/fbdev/core/fbcon_rotate.h new file mode 100644 index 000000000000..e233444cda66 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon_rotate.h @@ -0,0 +1,96 @@ +/* + * linux/drivers/video/console/fbcon_rotate.h -- Software Display Rotation + * + * Copyright (C) 2005 Antonino Daplas <adaplas@pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _FBCON_ROTATE_H +#define _FBCON_ROTATE_H + +#define GETVYRES(s,i) ({ \ + (s == SCROLL_REDRAW || s == SCROLL_MOVE) ? \ + (i)->var.yres : (i)->var.yres_virtual; }) + +#define GETVXRES(s,i) ({ \ + (s == SCROLL_REDRAW || s == SCROLL_MOVE || !(i)->fix.xpanstep) ? \ + (i)->var.xres : (i)->var.xres_virtual; }) + + +static inline int pattern_test_bit(u32 x, u32 y, u32 pitch, const char *pat) +{ + u32 tmp = (y * pitch) + x, index = tmp / 8, bit = tmp % 8; + + pat +=index; + return (*pat) & (0x80 >> bit); +} + +static inline void pattern_set_bit(u32 x, u32 y, u32 pitch, char *pat) +{ + u32 tmp = (y * pitch) + x, index = tmp / 8, bit = tmp % 8; + + pat += index; + + (*pat) |= 0x80 >> bit; +} + +static inline void rotate_ud(const char *in, char *out, u32 width, u32 height) +{ + int i, j; + int shift = (8 - (width % 8)) & 7; + + width = (width + 7) & ~7; + + for (i = 0; i < height; i++) { + for (j = 0; j < width - shift; j++) { + if (pattern_test_bit(j, i, width, in)) + pattern_set_bit(width - (1 + j + shift), + height - (1 + i), + width, out); + } + + } +} + +static inline void rotate_cw(const char *in, char *out, u32 width, u32 height) +{ + int i, j, h = height, w = width; + int shift = (8 - (height % 8)) & 7; + + width = (width + 7) & ~7; + height = (height + 7) & ~7; + + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + if (pattern_test_bit(j, i, width, in)) + pattern_set_bit(height - 1 - i - shift, j, + height, out); + + } + } +} + +static inline void rotate_ccw(const char *in, char *out, u32 width, u32 height) +{ + int i, j, h = height, w = width; + int shift = (8 - (width % 8)) & 7; + + width = (width + 7) & ~7; + height = (height + 7) & ~7; + + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + if (pattern_test_bit(j, i, width, in)) + pattern_set_bit(i, width - 1 - j - shift, + height, out); + } + } +} + +extern void fbcon_rotate_cw(struct fbcon_ops *ops); +extern void fbcon_rotate_ud(struct fbcon_ops *ops); +extern void fbcon_rotate_ccw(struct fbcon_ops *ops); +#endif diff --git a/drivers/video/fbdev/core/fbcon_ud.c b/drivers/video/fbdev/core/fbcon_ud.c new file mode 100644 index 000000000000..f98eee263597 --- /dev/null +++ b/drivers/video/fbdev/core/fbcon_ud.c @@ -0,0 +1,448 @@ +/* + * linux/drivers/video/console/fbcon_ud.c -- Software Rotation - 180 degrees + * + * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" +#include "fbcon_rotate.h" + +/* + * Rotation 180 degrees + */ + +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; + int width = (vc->vc_font.width + 7) >> 3; + unsigned int cellsize = vc->vc_font.height * width; + u8 c; + + offset = offset * width; + + for (i = 0; i < cellsize; i++) { + c = src[i]; + if (attribute & FBCON_ATTRIBUTE_UNDERLINE && i < offset) + c = 0xff; + if (attribute & FBCON_ATTRIBUTE_BOLD) + c |= c << 1; + if (attribute & FBCON_ATTRIBUTE_REVERSE) + c = ~c; + dst[i] = c; + } +} + + +static void ud_bmove(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct fb_copyarea area; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + area.sy = vyres - ((sy + height) * vc->vc_font.height); + area.sx = vxres - ((sx + width) * vc->vc_font.width); + area.dy = vyres - ((dy + height) * vc->vc_font.height); + area.dx = vxres - ((dx + width) * vc->vc_font.width); + area.height = height * vc->vc_font.height; + area.width = width * vc->vc_font.width; + + info->fbops->fb_copyarea(info, &area); +} + +static void ud_clear(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width) +{ + struct fbcon_ops *ops = info->fbcon_par; + struct fb_fillrect region; + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + region.color = attr_bgcol_ec(bgshift,vc,info); + region.dy = vyres - ((sy + height) * vc->vc_font.height); + region.dx = vxres - ((sx + width) * vc->vc_font.width); + region.width = width * vc->vc_font.width; + region.height = height * vc->vc_font.height; + region.rop = ROP_COPY; + + info->fbops->fb_fillrect(info, ®ion); +} + +static inline void ud_putcs_aligned(struct vc_data *vc, struct fb_info *info, + const u16 *s, u32 attr, u32 cnt, + u32 d_pitch, u32 s_pitch, u32 cellsize, + struct fb_image *image, u8 *buf, u8 *dst) +{ + struct fbcon_ops *ops = info->fbcon_par; + u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + u32 idx = vc->vc_font.width >> 3; + u8 *src; + + while (cnt--) { + src = ops->fontbuffer + (scr_readw(s--) & charmask)*cellsize; + + if (attr) { + ud_update_attr(buf, src, attr, vc); + src = buf; + } + + if (likely(idx == 1)) + __fb_pad_aligned_buffer(dst, d_pitch, src, idx, + image->height); + else + fb_pad_aligned_buffer(dst, d_pitch, src, idx, + image->height); + + dst += s_pitch; + } + + info->fbops->fb_imageblit(info, image); +} + +static inline void ud_putcs_unaligned(struct vc_data *vc, + struct fb_info *info, const u16 *s, + u32 attr, u32 cnt, u32 d_pitch, + u32 s_pitch, u32 cellsize, + struct fb_image *image, u8 *buf, + u8 *dst) +{ + struct fbcon_ops *ops = info->fbcon_par; + u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + u32 shift_low = 0, mod = vc->vc_font.width % 8; + u32 shift_high = 8; + u32 idx = vc->vc_font.width >> 3; + u8 *src; + + while (cnt--) { + src = ops->fontbuffer + (scr_readw(s--) & charmask)*cellsize; + + if (attr) { + ud_update_attr(buf, src, attr, vc); + src = buf; + } + + fb_pad_unaligned_buffer(dst, d_pitch, src, idx, + image->height, shift_high, + shift_low, mod); + shift_low += mod; + dst += (shift_low >= 8) ? s_pitch : s_pitch - 1; + shift_low &= 7; + shift_high = 8 - shift_low; + } + + info->fbops->fb_imageblit(info, image); + +} + +static void ud_putcs(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg) +{ + struct fb_image image; + struct fbcon_ops *ops = info->fbcon_par; + u32 width = (vc->vc_font.width + 7)/8; + u32 cellsize = width * vc->vc_font.height; + u32 maxcnt = info->pixmap.size/cellsize; + u32 scan_align = info->pixmap.scan_align - 1; + u32 buf_align = info->pixmap.buf_align - 1; + u32 mod = vc->vc_font.width % 8, cnt, pitch, size; + u32 attribute = get_attribute(info, scr_readw(s)); + u8 *dst, *buf = NULL; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + if (!ops->fontbuffer) + return; + + image.fg_color = fg; + image.bg_color = bg; + image.dy = vyres - ((yy * vc->vc_font.height) + vc->vc_font.height); + image.dx = vxres - ((xx + count) * vc->vc_font.width); + image.height = vc->vc_font.height; + image.depth = 1; + + if (attribute) { + buf = kmalloc(cellsize, GFP_KERNEL); + if (!buf) + return; + } + + s += count - 1; + + while (count) { + if (count > maxcnt) + cnt = maxcnt; + else + cnt = count; + + image.width = vc->vc_font.width * cnt; + pitch = ((image.width + 7) >> 3) + scan_align; + pitch &= ~scan_align; + size = pitch * image.height + buf_align; + size &= ~buf_align; + dst = fb_get_buffer_offset(info, &info->pixmap, size); + image.data = dst; + + if (!mod) + ud_putcs_aligned(vc, info, s, attribute, cnt, pitch, + width, cellsize, &image, buf, dst); + else + ud_putcs_unaligned(vc, info, s, attribute, cnt, pitch, + width, cellsize, &image, + buf, dst); + + image.dx += image.width; + count -= cnt; + s -= cnt; + xx += cnt; + } + + /* buf is always NULL except when in monochrome mode, so in this case + it's a gain to check buf against NULL even though kfree() handles + NULL pointers just fine */ + if (unlikely(buf)) + kfree(buf); + +} + +static void ud_clear_margins(struct vc_data *vc, struct fb_info *info, + int color, int bottom_only) +{ + unsigned int cw = vc->vc_font.width; + unsigned int ch = vc->vc_font.height; + unsigned int rw = info->var.xres - (vc->vc_cols*cw); + unsigned int bh = info->var.yres - (vc->vc_rows*ch); + struct fb_fillrect region; + + region.color = color; + region.rop = ROP_COPY; + + if (rw && !bottom_only) { + region.dy = 0; + region.dx = info->var.xoffset; + region.width = rw; + region.height = info->var.yres_virtual; + info->fbops->fb_fillrect(info, ®ion); + } + + if (bh) { + region.dy = info->var.yoffset; + region.dx = info->var.xoffset; + region.height = bh; + region.width = info->var.xres; + info->fbops->fb_fillrect(info, ®ion); + } +} + +static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) +{ + struct fb_cursor cursor; + struct fbcon_ops *ops = info->fbcon_par; + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + int w = (vc->vc_font.width + 7) >> 3, c; + int y = real_y(ops->p, vc->vc_y); + int attribute, use_sw = (vc->vc_cursor_type & 0x10); + int err = 1, dx, dy; + char *src; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + u32 vxres = GETVXRES(ops->p->scrollmode, info); + + if (!ops->fontbuffer) + return; + + cursor.set = 0; + + if (softback_lines) { + if (y + softback_lines >= vc->vc_rows) { + mode = CM_ERASE; + ops->cursor_flash = 0; + return; + } else + y += softback_lines; + } + + c = scr_readw((u16 *) vc->vc_pos); + attribute = get_attribute(info, c); + src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height)); + + if (ops->cursor_state.image.data != src || + ops->cursor_reset) { + ops->cursor_state.image.data = src; + cursor.set |= FB_CUR_SETIMAGE; + } + + if (attribute) { + u8 *dst; + + dst = kmalloc(w * vc->vc_font.height, GFP_ATOMIC); + if (!dst) + return; + kfree(ops->cursor_data); + ops->cursor_data = dst; + ud_update_attr(dst, src, attribute, vc); + src = dst; + } + + if (ops->cursor_state.image.fg_color != fg || + ops->cursor_state.image.bg_color != bg || + ops->cursor_reset) { + ops->cursor_state.image.fg_color = fg; + ops->cursor_state.image.bg_color = bg; + cursor.set |= FB_CUR_SETCMAP; + } + + if (ops->cursor_state.image.height != vc->vc_font.height || + ops->cursor_state.image.width != vc->vc_font.width || + ops->cursor_reset) { + ops->cursor_state.image.height = vc->vc_font.height; + ops->cursor_state.image.width = vc->vc_font.width; + cursor.set |= FB_CUR_SETSIZE; + } + + dy = vyres - ((y * vc->vc_font.height) + vc->vc_font.height); + dx = vxres - ((vc->vc_x * vc->vc_font.width) + vc->vc_font.width); + + if (ops->cursor_state.image.dx != dx || + ops->cursor_state.image.dy != dy || + ops->cursor_reset) { + ops->cursor_state.image.dx = dx; + ops->cursor_state.image.dy = dy; + cursor.set |= FB_CUR_SETPOS; + } + + if (ops->cursor_state.hot.x || ops->cursor_state.hot.y || + ops->cursor_reset) { + ops->cursor_state.hot.x = cursor.hot.y = 0; + cursor.set |= FB_CUR_SETHOT; + } + + if (cursor.set & FB_CUR_SETSIZE || + vc->vc_cursor_type != ops->p->cursor_shape || + ops->cursor_state.mask == NULL || + ops->cursor_reset) { + char *mask = kmalloc(w*vc->vc_font.height, GFP_ATOMIC); + int cur_height, size, i = 0; + u8 msk = 0xff; + + if (!mask) + return; + + kfree(ops->cursor_state.mask); + ops->cursor_state.mask = mask; + + ops->p->cursor_shape = vc->vc_cursor_type; + cursor.set |= FB_CUR_SETSHAPE; + + switch (ops->p->cursor_shape & CUR_HWMASK) { + case CUR_NONE: + cur_height = 0; + break; + case CUR_UNDERLINE: + cur_height = (vc->vc_font.height < 10) ? 1 : 2; + break; + case CUR_LOWER_THIRD: + cur_height = vc->vc_font.height/3; + break; + case CUR_LOWER_HALF: + cur_height = vc->vc_font.height >> 1; + break; + case CUR_TWO_THIRDS: + cur_height = (vc->vc_font.height << 1)/3; + break; + case CUR_BLOCK: + default: + cur_height = vc->vc_font.height; + break; + } + + size = cur_height * w; + + while (size--) + mask[i++] = msk; + + size = (vc->vc_font.height - cur_height) * w; + + while (size--) + mask[i++] = ~msk; + } + + switch (mode) { + case CM_ERASE: + ops->cursor_state.enable = 0; + break; + case CM_DRAW: + case CM_MOVE: + default: + ops->cursor_state.enable = (use_sw) ? 0 : 1; + break; + } + + cursor.image.data = src; + cursor.image.fg_color = ops->cursor_state.image.fg_color; + cursor.image.bg_color = ops->cursor_state.image.bg_color; + cursor.image.dx = ops->cursor_state.image.dx; + cursor.image.dy = ops->cursor_state.image.dy; + cursor.image.height = ops->cursor_state.image.height; + cursor.image.width = ops->cursor_state.image.width; + cursor.hot.x = ops->cursor_state.hot.x; + cursor.hot.y = ops->cursor_state.hot.y; + cursor.mask = ops->cursor_state.mask; + cursor.enable = ops->cursor_state.enable; + cursor.image.depth = 1; + cursor.rop = ROP_XOR; + + if (info->fbops->fb_cursor) + err = info->fbops->fb_cursor(info, &cursor); + + if (err) + soft_cursor(info, &cursor); + + ops->cursor_reset = 0; +} + +static int ud_update_start(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + int xoffset, yoffset; + u32 vyres = GETVYRES(ops->p->scrollmode, info); + u32 vxres = GETVXRES(ops->p->scrollmode, info); + int err; + + xoffset = vxres - info->var.xres - ops->var.xoffset; + yoffset = vyres - info->var.yres - ops->var.yoffset; + if (yoffset < 0) + yoffset += vyres; + ops->var.xoffset = xoffset; + ops->var.yoffset = yoffset; + err = fb_pan_display(info, &ops->var); + ops->var.xoffset = info->var.xoffset; + ops->var.yoffset = info->var.yoffset; + ops->var.vmode = info->var.vmode; + return err; +} + +void fbcon_rotate_ud(struct fbcon_ops *ops) +{ + ops->bmove = ud_bmove; + ops->clear = ud_clear; + ops->putcs = ud_putcs; + ops->clear_margins = ud_clear_margins; + ops->cursor = ud_cursor; + ops->update_start = ud_update_start; +} +EXPORT_SYMBOL(fbcon_rotate_ud); diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 7a42238db446..f741ba8df01b 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -32,6 +32,8 @@ #include <linux/device.h> #include <linux/efi.h> #include <linux/fb.h> +#include <linux/fbcon.h> +#include <linux/mem_encrypt.h> #include <asm/fb.h> @@ -315,7 +317,7 @@ static void fb_set_logo(struct fb_info *info, for (i = 0; i < logo->height; i++) { for (j = 0; j < logo->width; src++) { d = *src ^ xor; - for (k = 7; k >= 0; k--) { + for (k = 7; k >= 0 && j < logo->width; k--) { *dst++ = ((d >> k) & 1) ? fg : 0; j++; } @@ -462,7 +464,7 @@ static int fb_show_logo_line(struct fb_info *info, int rotate, /* Return if the frame buffer is not mapped or suspended */ if (logo == NULL || info->state != FBINFO_STATE_RUNNING || - info->flags & FBINFO_MODULE) + info->fbops->owner) return 0; image.depth = 8; @@ -600,7 +602,7 @@ int fb_prepare_logo(struct fb_info *info, int rotate) memset(&fb_logo, 0, sizeof(struct logo_data)); if (info->flags & FBINFO_MISC_TILEBLITTING || - info->flags & FBINFO_MODULE) + info->fbops->owner) return 0; if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) { @@ -1396,6 +1398,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) mutex_lock(&info->mm_lock); if (fb->fb_mmap) { int res; + + /* + * The framebuffer needs to be accessed decrypted, be sure + * SME protection is removed ahead of the call + */ + vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); res = fb->fb_mmap(info, vma); mutex_unlock(&info->mm_lock); return res; @@ -1421,6 +1429,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) mutex_unlock(&info->mm_lock); vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); + /* + * The framebuffer needs to be accessed decrypted, be sure + * SME protection is removed + */ + vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); fb_pgprotect(file, vma, start); return vm_iomap_memory(vma, start, len); @@ -1880,6 +1893,9 @@ fbmem_init(void) fb_class = NULL; goto err_class; } + + fb_console_init(); + return 0; err_class: @@ -1894,6 +1910,8 @@ module_init(fbmem_init); static void __exit fbmem_exit(void) { + fb_console_exit(); + remove_proc_entry("fb", NULL); class_destroy(fb_class); unregister_chrdev(FB_MAJOR, "fb"); diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index 41d7979d81c5..2b2d67328514 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -1479,8 +1479,8 @@ int of_get_fb_videomode(struct device_node *np, struct fb_videomode *fb, if (ret) return ret; - pr_debug("%s: got %dx%d display mode from %s\n", - of_node_full_name(np), vm.hactive, vm.vactive, np->name); + pr_debug("%pOF: got %dx%d display mode from %s\n", + np, vm.hactive, vm.vactive, np->name); dump_fb_videomode(fb); return 0; diff --git a/drivers/video/fbdev/core/softcursor.c b/drivers/video/fbdev/core/softcursor.c new file mode 100644 index 000000000000..fc93f254498e --- /dev/null +++ b/drivers/video/fbdev/core/softcursor.c @@ -0,0 +1,78 @@ +/* + * linux/drivers/video/console/softcursor.c + * + * Generic software cursor for frame buffer devices + * + * Created 14 Nov 2002 by James Simmons + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file COPYING in the main directory of this + * archive for more details. + */ + +#include <linux/module.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/slab.h> + +#include <asm/io.h> + +#include "fbcon.h" + +int soft_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + struct fbcon_ops *ops = info->fbcon_par; + unsigned int scan_align = info->pixmap.scan_align - 1; + unsigned int buf_align = info->pixmap.buf_align - 1; + unsigned int i, size, dsize, s_pitch, d_pitch; + struct fb_image *image; + u8 *src, *dst; + + if (info->state != FBINFO_STATE_RUNNING) + return 0; + + s_pitch = (cursor->image.width + 7) >> 3; + dsize = s_pitch * cursor->image.height; + + if (dsize + sizeof(struct fb_image) != ops->cursor_size) { + kfree(ops->cursor_src); + ops->cursor_size = dsize + sizeof(struct fb_image); + + ops->cursor_src = kmalloc(ops->cursor_size, GFP_ATOMIC); + if (!ops->cursor_src) { + ops->cursor_size = 0; + return -ENOMEM; + } + } + + src = ops->cursor_src + sizeof(struct fb_image); + image = (struct fb_image *)ops->cursor_src; + *image = cursor->image; + d_pitch = (s_pitch + scan_align) & ~scan_align; + + size = d_pitch * image->height + buf_align; + size &= ~buf_align; + dst = fb_get_buffer_offset(info, &info->pixmap, size); + + if (cursor->enable) { + switch (cursor->rop) { + case ROP_XOR: + for (i = 0; i < dsize; i++) + src[i] = image->data[i] ^ cursor->mask[i]; + break; + case ROP_COPY: + default: + for (i = 0; i < dsize; i++) + src[i] = image->data[i] & cursor->mask[i]; + break; + } + } else + memcpy(src, image->data, dsize); + + fb_pad_aligned_buffer(dst, d_pitch, src, s_pitch, image->height); + image->data = dst; + info->fbops->fb_imageblit(info, image); + return 0; +} + +EXPORT_SYMBOL(soft_cursor); diff --git a/drivers/video/fbdev/core/tileblit.c b/drivers/video/fbdev/core/tileblit.c new file mode 100644 index 000000000000..93390312957f --- /dev/null +++ b/drivers/video/fbdev/core/tileblit.c @@ -0,0 +1,154 @@ +/* + * linux/drivers/video/console/tileblit.c -- Tile Blitting Operation + * + * Copyright (C) 2004 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" + +static void tile_bmove(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width) +{ + struct fb_tilearea area; + + area.sx = sx; + area.sy = sy; + area.dx = dx; + area.dy = dy; + area.height = height; + area.width = width; + + info->tileops->fb_tilecopy(info, &area); +} + +static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width) +{ + struct fb_tilerect rect; + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; + int fgshift = (vc->vc_hi_font_mask) ? 9 : 8; + + rect.index = vc->vc_video_erase_char & + ((vc->vc_hi_font_mask) ? 0x1ff : 0xff); + rect.fg = attr_fgcol_ec(fgshift, vc, info); + rect.bg = attr_bgcol_ec(bgshift, vc, info); + rect.sx = sx; + rect.sy = sy; + rect.width = width; + rect.height = height; + rect.rop = ROP_COPY; + + info->tileops->fb_tilefill(info, &rect); +} + +static void tile_putcs(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg) +{ + struct fb_tileblit blit; + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + int size = sizeof(u32) * count, i; + + blit.sx = xx; + blit.sy = yy; + blit.width = count; + blit.height = 1; + blit.fg = fg; + blit.bg = bg; + blit.length = count; + blit.indices = (u32 *) fb_get_buffer_offset(info, &info->pixmap, size); + for (i = 0; i < count; i++) + blit.indices[i] = (u32)(scr_readw(s++) & charmask); + + info->tileops->fb_tileblit(info, &blit); +} + +static void tile_clear_margins(struct vc_data *vc, struct fb_info *info, + int color, int bottom_only) +{ + return; +} + +static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) +{ + struct fb_tilecursor cursor; + int use_sw = (vc->vc_cursor_type & 0x10); + + cursor.sx = vc->vc_x; + cursor.sy = vc->vc_y; + cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1; + cursor.fg = fg; + cursor.bg = bg; + + switch (vc->vc_cursor_type & 0x0f) { + case CUR_NONE: + cursor.shape = FB_TILE_CURSOR_NONE; + break; + case CUR_UNDERLINE: + cursor.shape = FB_TILE_CURSOR_UNDERLINE; + break; + case CUR_LOWER_THIRD: + cursor.shape = FB_TILE_CURSOR_LOWER_THIRD; + break; + case CUR_LOWER_HALF: + cursor.shape = FB_TILE_CURSOR_LOWER_HALF; + break; + case CUR_TWO_THIRDS: + cursor.shape = FB_TILE_CURSOR_TWO_THIRDS; + break; + case CUR_BLOCK: + default: + cursor.shape = FB_TILE_CURSOR_BLOCK; + break; + } + + info->tileops->fb_tilecursor(info, &cursor); +} + +static int tile_update_start(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + int err; + + err = fb_pan_display(info, &ops->var); + ops->var.xoffset = info->var.xoffset; + ops->var.yoffset = info->var.yoffset; + ops->var.vmode = info->var.vmode; + return err; +} + +void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info) +{ + struct fb_tilemap map; + struct fbcon_ops *ops = info->fbcon_par; + + ops->bmove = tile_bmove; + ops->clear = tile_clear; + ops->putcs = tile_putcs; + ops->clear_margins = tile_clear_margins; + ops->cursor = tile_cursor; + ops->update_start = tile_update_start; + + if (ops->p) { + map.width = vc->vc_font.width; + map.height = vc->vc_font.height; + map.depth = 1; + map.length = (ops->p->userfont) ? + FNTCHARCNT(ops->p->fontdata) : 256; + map.data = ops->p->fontdata; + info->tileops->fb_settile(info, &map); + } +} + +EXPORT_SYMBOL(fbcon_set_tileops); diff --git a/drivers/video/fbdev/cyber2000fb.c b/drivers/video/fbdev/cyber2000fb.c index 99acf538a8b8..9a5751cb4e16 100644 --- a/drivers/video/fbdev/cyber2000fb.c +++ b/drivers/video/fbdev/cyber2000fb.c @@ -1336,7 +1336,7 @@ static void cyber2000fb_i2c_unregister(struct cfb_info *cfb) * These parameters give * 640x480, hsync 31.5kHz, vsync 60Hz */ -static struct fb_videomode cyber2000fb_default_mode = { +static const struct fb_videomode cyber2000fb_default_mode = { .refresh = 60, .xres = 640, .yres = 480, diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c index c229b1a0d13b..a74096c53cb5 100644 --- a/drivers/video/fbdev/da8xx-fb.c +++ b/drivers/video/fbdev/da8xx-fb.c @@ -1341,7 +1341,7 @@ static int fb_probe(struct platform_device *device) { struct da8xx_lcdc_platform_data *fb_pdata = dev_get_platdata(&device->dev); - static struct resource *lcdc_regs; + struct resource *lcdc_regs; struct lcd_ctrl_config *lcd_cfg; struct fb_videomode *lcdc_info; struct fb_info *da8xx_fb_info; diff --git a/drivers/video/fbdev/dnfb.c b/drivers/video/fbdev/dnfb.c index 3526899da61b..7b1492d34e98 100644 --- a/drivers/video/fbdev/dnfb.c +++ b/drivers/video/fbdev/dnfb.c @@ -126,7 +126,7 @@ struct fb_var_screeninfo dnfb_var = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo dnfb_fix = { +static const struct fb_fix_screeninfo dnfb_fix = { .id = "Apollo Mono", .smem_start = (FRAME_BUFFER_START + IO_BASE), .smem_len = FRAME_BUFFER_LEN, diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index ff01bed7112f..3a010641f630 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -17,6 +17,7 @@ #include <asm/efi.h> static bool request_mem_succeeded = false; +static bool nowc = false; static struct fb_var_screeninfo efifb_defined = { .activate = FB_ACTIVATE_NOW, @@ -99,6 +100,8 @@ static int efifb_setup(char *options) screen_info.lfb_height = simple_strtoul(this_opt+7, NULL, 0); else if (!strncmp(this_opt, "width:", 6)) screen_info.lfb_width = simple_strtoul(this_opt+6, NULL, 0); + else if (!strcmp(this_opt, "nowc")) + nowc = true; } } @@ -146,6 +149,10 @@ ATTRIBUTE_GROUPS(efifb); static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */ +static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */ +static struct resource *bar_resource; +static u64 bar_offset; + static int efifb_probe(struct platform_device *dev) { struct fb_info *info; @@ -200,6 +207,13 @@ static int efifb_probe(struct platform_device *dev) efifb_fix.smem_start |= ext_lfb_base; } + if (bar_resource && + bar_resource->start + bar_offset != efifb_fix.smem_start) { + dev_info(&efifb_pci_dev->dev, + "BAR has moved, updating efifb address\n"); + efifb_fix.smem_start = bar_resource->start + bar_offset; + } + efifb_defined.bits_per_pixel = screen_info.lfb_depth; efifb_defined.xres = screen_info.lfb_width; efifb_defined.yres = screen_info.lfb_height; @@ -255,7 +269,10 @@ static int efifb_probe(struct platform_device *dev) info->apertures->ranges[0].base = efifb_fix.smem_start; info->apertures->ranges[0].size = size_remap; - info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len); + if (nowc) + info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len); + else + info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len); if (!info->screen_base) { pr_err("efifb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", efifb_fix.smem_len, efifb_fix.smem_start); @@ -364,15 +381,13 @@ static struct platform_driver efifb_driver = { builtin_platform_driver(efifb_driver); -#if defined(CONFIG_PCI) && !defined(CONFIG_X86) - -static bool pci_bar_found; /* did we find a BAR matching the efifb base? */ +#if defined(CONFIG_PCI) -static void claim_efifb_bar(struct pci_dev *dev, int idx) +static void record_efifb_bar_resource(struct pci_dev *dev, int idx, u64 offset) { u16 word; - pci_bar_found = true; + efifb_pci_dev = dev; pci_read_config_word(dev, PCI_COMMAND, &word); if (!(word & PCI_COMMAND_MEMORY)) { @@ -383,12 +398,8 @@ static void claim_efifb_bar(struct pci_dev *dev, int idx) return; } - if (pci_claim_resource(dev, idx)) { - pci_dev_disabled = true; - dev_err(&dev->dev, - "BAR %d: failed to claim resource for efifb!\n", idx); - return; - } + bar_resource = &dev->resource[idx]; + bar_offset = offset; dev_info(&dev->dev, "BAR %d: assigned to efifb\n", idx); } @@ -399,7 +410,7 @@ static void efifb_fixup_resources(struct pci_dev *dev) u64 size = screen_info.lfb_size; int i; - if (pci_bar_found || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) + if (efifb_pci_dev || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) return; if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE) @@ -415,7 +426,7 @@ static void efifb_fixup_resources(struct pci_dev *dev) continue; if (res->start <= base && res->end >= base + size - 1) { - claim_efifb_bar(dev, i); + record_efifb_bar_resource(dev, i, base - res->start); break; } } diff --git a/drivers/video/fbdev/fb-puv3.c b/drivers/video/fbdev/fb-puv3.c index 88fa2e70a0bb..d9e816d53531 100644 --- a/drivers/video/fbdev/fb-puv3.c +++ b/drivers/video/fbdev/fb-puv3.c @@ -69,7 +69,7 @@ static const struct fb_videomode unifb_modes[] = { 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, }; -static struct fb_var_screeninfo unifb_default = { +static const struct fb_var_screeninfo unifb_default = { .xres = 640, .yres = 480, .xres_virtual = 640, diff --git a/drivers/video/fbdev/ffb.c b/drivers/video/fbdev/ffb.c index dda31e0a45af..6b1915872af1 100644 --- a/drivers/video/fbdev/ffb.c +++ b/drivers/video/fbdev/ffb.c @@ -997,9 +997,9 @@ static int ffb_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: %s at %016lx, type %d, " + printk(KERN_INFO "%pOF: %s at %016lx, type %d, " "DAC pnum[%x] rev[%d] manuf_rev[%d]\n", - dp->full_name, + dp, ((par->flags & FFB_FLAG_AFB) ? "AFB" : "FFB"), par->physbase, par->board_type, dac_pnum, dac_rev, dac_mrev); diff --git a/drivers/video/fbdev/fm2fb.c b/drivers/video/fbdev/fm2fb.c index e69d47af9932..ac7a4ebfd390 100644 --- a/drivers/video/fbdev/fm2fb.c +++ b/drivers/video/fbdev/fm2fb.c @@ -213,7 +213,7 @@ static int fm2fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static int fm2fb_probe(struct zorro_dev *z, const struct zorro_device_id *id); -static struct zorro_device_id fm2fb_devices[] = { +static const struct zorro_device_id fm2fb_devices[] = { { ZORRO_PROD_BSC_FRAMEMASTER_II }, { ZORRO_PROD_HELFRICH_RAINBOW_II }, { 0 } diff --git a/drivers/video/fbdev/geode/gxfb_core.c b/drivers/video/fbdev/geode/gxfb_core.c index ec9fc9ac23de..f4f76373b2a8 100644 --- a/drivers/video/fbdev/geode/gxfb_core.c +++ b/drivers/video/fbdev/geode/gxfb_core.c @@ -474,7 +474,7 @@ static void gxfb_remove(struct pci_dev *pdev) framebuffer_release(info); } -static struct pci_device_id gxfb_id_table[] = { +static const struct pci_device_id gxfb_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_GX_VIDEO) }, { 0, } }; diff --git a/drivers/video/fbdev/grvga.c b/drivers/video/fbdev/grvga.c index b471f92969b1..8fc8f46dadeb 100644 --- a/drivers/video/fbdev/grvga.c +++ b/drivers/video/fbdev/grvga.c @@ -70,7 +70,7 @@ static const struct fb_videomode grvga_modedb[] = { } }; -static struct fb_fix_screeninfo grvga_fix = { +static const struct fb_fix_screeninfo grvga_fix = { .id = "AG SVGACTRL", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, diff --git a/drivers/video/fbdev/i810/i810_main.c b/drivers/video/fbdev/i810/i810_main.c index 2488baab7c89..d18f7b31932c 100644 --- a/drivers/video/fbdev/i810/i810_main.c +++ b/drivers/video/fbdev/i810/i810_main.c @@ -107,7 +107,7 @@ static const char * const i810_pci_list[] = { "Intel(R) 815 (Internal Graphics with AGP) Framebuffer Device" }; -static struct pci_device_id i810fb_pci_tbl[] = { +static const struct pci_device_id i810fb_pci_tbl[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810_IG1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810_IG3, @@ -1542,7 +1542,7 @@ static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor) return 0; } -static struct fb_ops i810fb_ops = { +static const struct fb_ops i810fb_ops = { .owner = THIS_MODULE, .fb_open = i810fb_open, .fb_release = i810fb_release, diff --git a/drivers/video/fbdev/imsttfb.c b/drivers/video/fbdev/imsttfb.c index 4363c64d74e8..ecdcf358ad5e 100644 --- a/drivers/video/fbdev/imsttfb.c +++ b/drivers/video/fbdev/imsttfb.c @@ -1318,7 +1318,7 @@ imsttfb_ioctl(struct fb_info *info, u_int cmd, u_long arg) } } -static struct pci_device_id imsttfb_pci_tbl[] = { +static const struct pci_device_id imsttfb_pci_tbl[] = { { PCI_VENDOR_ID_IMS, PCI_DEVICE_ID_IMS_TT128, PCI_ANY_ID, PCI_ANY_ID, 0, 0, IBM }, { PCI_VENDOR_ID_IMS, PCI_DEVICE_ID_IMS_TT3D, diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index c166e0725be5..ba82f97fb42b 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -1073,20 +1073,16 @@ static int imxfb_remove(struct platform_device *pdev) imxfb_disable_controller(fbi); unregister_framebuffer(info); - + fb_dealloc_cmap(&info->cmap); pdata = dev_get_platdata(&pdev->dev); if (pdata && pdata->exit) pdata->exit(fbi->pdev); - - fb_dealloc_cmap(&info->cmap); - kfree(info->pseudo_palette); - framebuffer_release(info); - dma_free_wc(&pdev->dev, fbi->map_size, info->screen_base, fbi->map_dma); - iounmap(fbi->regs); release_mem_region(res->start, resource_size(res)); + kfree(info->pseudo_palette); + framebuffer_release(info); return 0; } diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index ffc391208b27..d7463a2a5d83 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -173,7 +173,7 @@ static int intelfb_set_fbinfo(struct intelfb_info *dinfo); #define INTELFB_CLASS_MASK 0 #endif -static struct pci_device_id intelfb_pci_table[] = { +static const struct pci_device_id intelfb_pci_table[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_830M, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_830M }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_845G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_845G }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_85XGM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_85XGM }, diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c index f77478fb3d14..a7bd9f25911b 100644 --- a/drivers/video/fbdev/kyro/fbdev.c +++ b/drivers/video/fbdev/kyro/fbdev.c @@ -633,7 +633,7 @@ static int kyrofb_ioctl(struct fb_info *info, return 0; } -static struct pci_device_id kyrofb_pci_tbl[] = { +static const struct pci_device_id kyrofb_pci_tbl[] = { { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0, } diff --git a/drivers/video/fbdev/leo.c b/drivers/video/fbdev/leo.c index 62e59dc90ee6..71862188f528 100644 --- a/drivers/video/fbdev/leo.c +++ b/drivers/video/fbdev/leo.c @@ -619,8 +619,8 @@ static int leo_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: leo at %lx:%lx\n", - dp->full_name, + printk(KERN_INFO "%pOF: leo at %lx:%lx\n", + dp, par->which_io, info->fix.smem_start); return 0; diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index f6a0b9af97a9..b9b284d79631 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -1198,7 +1198,7 @@ static int matroxfb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops matroxfb_ops = { +static const struct fb_ops matroxfb_ops = { .owner = THIS_MODULE, .fb_open = matroxfb_open, .fb_release = matroxfb_release, @@ -1573,14 +1573,14 @@ static struct board { NULL}}; #ifndef MODULE -static struct fb_videomode defaultmode = { +static const struct fb_videomode defaultmode = { /* 640x480 @ 60Hz, 31.5 kHz */ NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, 0, FB_VMODE_NONINTERLACED }; -#endif /* !MODULE */ static int hotplug = 0; +#endif /* !MODULE */ static void setDefaultOutputs(struct matrox_fb_info *minfo) { @@ -1623,7 +1623,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b) unsigned int memsize; int err; - static struct pci_device_id intel_82437[] = { + static const struct pci_device_id intel_82437[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) }, { }, }; @@ -1794,9 +1794,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b) minfo->fbops = matroxfb_ops; minfo->fbcon.fbops = &minfo->fbops; minfo->fbcon.pseudo_palette = minfo->cmap; - /* after __init time we are like module... no logo */ - minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT; - minfo->fbcon.flags |= FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */ + minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */ FBINFO_HWACCEL_COPYAREA | /* We have hw-assisted bmove */ FBINFO_HWACCEL_FILLRECT | /* And fillrect */ FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */ @@ -2116,7 +2114,7 @@ static void pci_remove_matrox(struct pci_dev* pdev) { matroxfb_remove(minfo, 1); } -static struct pci_device_id matroxfb_devices[] = { +static const struct pci_device_id matroxfb_devices[] = { #ifdef CONFIG_FB_MATROX_MILLENIUM {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, diff --git a/drivers/video/fbdev/maxinefb.c b/drivers/video/fbdev/maxinefb.c index cab7333208ea..5bb1b5c308a7 100644 --- a/drivers/video/fbdev/maxinefb.c +++ b/drivers/video/fbdev/maxinefb.c @@ -39,7 +39,7 @@ static struct fb_info fb_info; -static struct fb_var_screeninfo maxinefb_defined = { +static const struct fb_var_screeninfo maxinefb_defined = { .xres = 1024, .yres = 768, .xres_virtual = 1024, diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c index f9ec5c0484fa..cd372527c9e4 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c @@ -982,7 +982,7 @@ static inline int mb862xx_pci_gdc_init(struct mb862xxfb_par *par) #define CHIP_ID(id) \ { PCI_DEVICE(PCI_VENDOR_ID_FUJITSU_LIMITED, id) } -static struct pci_device_id mb862xx_pci_tbl[] = { +static const struct pci_device_id mb862xx_pci_tbl[] = { /* MB86295/MB86296 */ CHIP_ID(PCI_DEVICE_ID_FUJITSU_CORALP), CHIP_ID(PCI_DEVICE_ID_FUJITSU_CORALPA), diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c index 698df9543e30..539b85da0897 100644 --- a/drivers/video/fbdev/mbx/mbxfb.c +++ b/drivers/video/fbdev/mbx/mbxfb.c @@ -79,7 +79,7 @@ struct mbxfb_info { }; -static struct fb_var_screeninfo mbxfb_default = { +static const struct fb_var_screeninfo mbxfb_default = { .xres = 640, .yres = 480, .xres_virtual = 640, @@ -102,7 +102,7 @@ static struct fb_var_screeninfo mbxfb_default = { .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, }; -static struct fb_fix_screeninfo mbxfb_fix = { +static const struct fb_fix_screeninfo mbxfb_fix = { .id = "MBX", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c index db023a97d1ea..5d3a444083f7 100644 --- a/drivers/video/fbdev/neofb.c +++ b/drivers/video/fbdev/neofb.c @@ -2138,7 +2138,7 @@ static void neofb_remove(struct pci_dev *dev) } } -static struct pci_device_id neofb_devices[] = { +static const struct pci_device_id neofb_devices[] = { {PCI_VENDOR_ID_NEOMAGIC, PCI_CHIP_NM2070, PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_NEOMAGIC_NM2070}, diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c index ce7dab7299fe..418a2d0d06a9 100644 --- a/drivers/video/fbdev/nvidia/nvidia.c +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -55,7 +55,7 @@ /* HW cursor parameters */ #define MAX_CURS 32 -static struct pci_device_id nvidiafb_pci_tbl[] = { +static const struct pci_device_id nvidiafb_pci_tbl[] = { {PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, 0xff0000, 0}, { 0, } diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c index 9be884b0c778..90d38de34479 100644 --- a/drivers/video/fbdev/offb.c +++ b/drivers/video/fbdev/offb.c @@ -383,7 +383,7 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR; } -static void __init offb_init_fb(const char *name, const char *full_name, +static void __init offb_init_fb(const char *name, int width, int height, int depth, int pitch, unsigned long address, int foreign_endian, struct device_node *dp) @@ -402,14 +402,13 @@ static void __init offb_init_fb(const char *name, const char *full_name, "Using unsupported %dx%d %s at %lx, depth=%d, pitch=%d\n", width, height, name, address, depth, pitch); if (depth != 8 && depth != 15 && depth != 16 && depth != 32) { - printk(KERN_ERR "%s: can't use depth = %d\n", full_name, - depth); + printk(KERN_ERR "%pOF: can't use depth = %d\n", dp, depth); release_mem_region(res_start, res_size); return; } info = framebuffer_alloc(sizeof(u32) * 16, NULL); - + if (info == 0) { release_mem_region(res_start, res_size); return; @@ -515,7 +514,7 @@ static void __init offb_init_fb(const char *name, const char *full_name, if (register_framebuffer(info) < 0) goto out_err; - fb_info(info, "Open Firmware frame buffer device on %s\n", full_name); + fb_info(info, "Open Firmware frame buffer device on %pOF\n", dp); return; out_err: @@ -644,7 +643,6 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node) if (strcmp(dp->name, "valkyrie") == 0) address += 0x1000; offb_init_fb(no_real_node ? "bootx" : dp->name, - no_real_node ? "display" : dp->full_name, width, height, depth, pitch, address, foreign_endian, no_real_node ? NULL : dp); } diff --git a/drivers/video/fbdev/omap/lcd_h3.c b/drivers/video/fbdev/omap/lcd_h3.c index 9d2da146813e..796f4634c4c6 100644 --- a/drivers/video/fbdev/omap/lcd_h3.c +++ b/drivers/video/fbdev/omap/lcd_h3.c @@ -21,7 +21,7 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/i2c/tps65010.h> +#include <linux/mfd/tps65010.h> #include <linux/gpio.h> #include "omapfb.h" diff --git a/drivers/video/fbdev/omap/lcd_mipid.c b/drivers/video/fbdev/omap/lcd_mipid.c index df9e6ebcfad5..e3a85432f926 100644 --- a/drivers/video/fbdev/omap/lcd_mipid.c +++ b/drivers/video/fbdev/omap/lcd_mipid.c @@ -496,7 +496,7 @@ static void mipid_cleanup(struct lcd_panel *panel) mipid_esd_stop_check(md); } -static struct lcd_panel mipid_panel = { +static const struct lcd_panel mipid_panel = { .config = OMAP_LCDC_PANEL_TFT, .bpp = 16, diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c index f14691ce8d02..6cd759c01037 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c @@ -18,7 +18,7 @@ #include <video/omapfb_dss.h> -static struct omap_video_timings lb035q02_timings = { +static const struct omap_video_timings lb035q02_timings = { .x_res = 320, .y_res = 240, diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c index 468560a6daae..f2c2fef3db74 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c @@ -509,7 +509,7 @@ static struct attribute *bldev_attrs[] = { NULL, }; -static struct attribute_group bldev_attr_group = { +static const struct attribute_group bldev_attr_group = { .attrs = bldev_attrs, }; diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td028ttec1.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td028ttec1.c index b529a8c2b652..57e9e146ff74 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td028ttec1.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td028ttec1.c @@ -41,7 +41,7 @@ struct panel_drv_data { struct spi_device *spi_dev; }; -static struct omap_video_timings td028ttec1_panel_timings = { +static const struct omap_video_timings td028ttec1_panel_timings = { .x_res = 480, .y_res = 640, .pixelclock = 22153000, diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c index 51e628b85f4a..ea8c79a42b41 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c @@ -282,7 +282,7 @@ static struct attribute *tpo_td043_attrs[] = { NULL, }; -static struct attribute_group tpo_td043_attr_group = { +static const struct attribute_group tpo_td043_attr_group = { .attrs = tpo_td043_attrs, }; diff --git a/drivers/video/fbdev/omap2/omapfb/dss/core.c b/drivers/video/fbdev/omap2/omapfb/dss/core.c index eecf695c16f4..09e5bb013d28 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/core.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/core.c @@ -193,7 +193,6 @@ static struct notifier_block omap_dss_pm_notif_block = { static int __init omap_dss_probe(struct platform_device *pdev) { - struct omap_dss_board_info *pdata = pdev->dev.platform_data; int r; core.pdev = pdev; diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c index d356a252ab4a..f1eb8b0f8a2a 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_graph.h> #include <linux/seq_file.h> #include <video/omapfb_dss.h> @@ -128,7 +129,7 @@ static struct device_node *omapdss_of_get_remote_port(const struct device_node * { struct device_node *np; - np = of_parse_phandle(node, "remote-endpoint", 0); + np = of_graph_get_remote_endpoint(node); if (!np) return NULL; diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c index 156a254705ea..ec78d61bc551 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c @@ -664,7 +664,7 @@ static int hdmi_audio_register(struct device *dev) { struct omap_hdmi_audio_pdata pdata = { .dev = dev, - .dss_version = omapdss_get_version(), + .version = 4, .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp), .ops = &hdmi_audio_ops, }; diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c index 4da36bcab977..2e2fcc3d6d4f 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c @@ -695,7 +695,7 @@ static int hdmi_audio_register(struct device *dev) { struct omap_hdmi_audio_pdata pdata = { .dev = dev, - .dss_version = omapdss_get_version(), + .version = 5, .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp), .ops = &hdmi_audio_ops, }; diff --git a/drivers/video/fbdev/p9100.c b/drivers/video/fbdev/p9100.c index 1f6ee76af878..64de5cda541d 100644 --- a/drivers/video/fbdev/p9100.c +++ b/drivers/video/fbdev/p9100.c @@ -304,8 +304,8 @@ static int p9100_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: p9100 at %lx:%lx\n", - dp->full_name, + printk(KERN_INFO "%pOF: p9100 at %lx:%lx\n", + dp, par->which_io, info->fix.smem_start); return 0; diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index 1a4070f719c2..bd6c2f5f6095 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -1732,7 +1732,7 @@ static void pm2fb_remove(struct pci_dev *pdev) framebuffer_release(info); } -static struct pci_device_id pm2fb_id_table[] = { +static const struct pci_device_id pm2fb_id_table[] = { { PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TVP4020, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_3DLABS, PCI_DEVICE_ID_3DLABS_PERMEDIA2, diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c index 6ff5077a2e15..6130aa56a1e9 100644 --- a/drivers/video/fbdev/pm3fb.c +++ b/drivers/video/fbdev/pm3fb.c @@ -1479,7 +1479,7 @@ static void pm3fb_remove(struct pci_dev *dev) } } -static struct pci_device_id pm3fb_id_table[] = { +static const struct pci_device_id pm3fb_id_table[] = { { PCI_VENDOR_ID_3DLABS, 0x0a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0, } diff --git a/drivers/video/fbdev/pmag-aa-fb.c b/drivers/video/fbdev/pmag-aa-fb.c index 39922f072db4..ca7e9390d1e7 100644 --- a/drivers/video/fbdev/pmag-aa-fb.c +++ b/drivers/video/fbdev/pmag-aa-fb.c @@ -67,7 +67,7 @@ struct aafb_par { struct bt431_regs __iomem *bt431; }; -static struct fb_var_screeninfo aafb_defined = { +static const struct fb_var_screeninfo aafb_defined = { .xres = 1280, .yres = 1024, .xres_virtual = 2048, @@ -90,7 +90,7 @@ static struct fb_var_screeninfo aafb_defined = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo aafb_fix = { +static const struct fb_fix_screeninfo aafb_fix = { .id = "PMAG-AA", .smem_len = (2048 * 1024), .type = FB_TYPE_PACKED_PIXELS, diff --git a/drivers/video/fbdev/pmag-ba-fb.c b/drivers/video/fbdev/pmag-ba-fb.c index 1fd02f40708e..3b9249449ea6 100644 --- a/drivers/video/fbdev/pmag-ba-fb.c +++ b/drivers/video/fbdev/pmag-ba-fb.c @@ -43,7 +43,7 @@ struct pmagbafb_par { }; -static struct fb_var_screeninfo pmagbafb_defined = { +static const struct fb_var_screeninfo pmagbafb_defined = { .xres = 1024, .yres = 864, .xres_virtual = 1024, @@ -67,7 +67,7 @@ static struct fb_var_screeninfo pmagbafb_defined = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo pmagbafb_fix = { +static const struct fb_fix_screeninfo pmagbafb_fix = { .id = "PMAG-BA", .smem_len = (1024 * 1024), .type = FB_TYPE_PACKED_PIXELS, diff --git a/drivers/video/fbdev/pmagb-b-fb.c b/drivers/video/fbdev/pmagb-b-fb.c index 46e96c451506..e58df36233c4 100644 --- a/drivers/video/fbdev/pmagb-b-fb.c +++ b/drivers/video/fbdev/pmagb-b-fb.c @@ -44,7 +44,7 @@ struct pmagbbfb_par { }; -static struct fb_var_screeninfo pmagbbfb_defined = { +static const struct fb_var_screeninfo pmagbbfb_defined = { .bits_per_pixel = 8, .red.length = 8, .green.length = 8, @@ -57,7 +57,7 @@ static struct fb_var_screeninfo pmagbbfb_defined = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo pmagbbfb_fix = { +static const struct fb_fix_screeninfo pmagbbfb_fix = { .id = "PMAGB-BA", .smem_len = (2048 * 1024), .type = FB_TYPE_PACKED_PIXELS, diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c index b269abd932aa..5ed2db39d823 100644 --- a/drivers/video/fbdev/ps3fb.c +++ b/drivers/video/fbdev/ps3fb.c @@ -952,7 +952,7 @@ static struct fb_ops ps3fb_ops = { .fb_compat_ioctl = ps3fb_ioctl }; -static struct fb_fix_screeninfo ps3fb_fix = { +static const struct fb_fix_screeninfo ps3fb_fix = { .id = DEVICE_NAME, .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index a2564ab91e62..867c5218968f 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -154,7 +154,7 @@ static struct fb_fix_screeninfo pvr2_fix = { .accel = FB_ACCEL_NONE, }; -static struct fb_var_screeninfo pvr2_var = { +static const struct fb_var_screeninfo pvr2_var = { .xres = 640, .yres = 480, .xres_virtual = 640, @@ -966,7 +966,7 @@ static void pvr2fb_pci_remove(struct pci_dev *pdev) pci_release_regions(pdev); } -static struct pci_device_id pvr2fb_pci_tbl[] = { +static const struct pci_device_id pvr2fb_pci_tbl[] = { { PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_NEON250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0, }, diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c index 50bce45e7f3d..933619da1a94 100644 --- a/drivers/video/fbdev/pxa3xx-gcu.c +++ b/drivers/video/fbdev/pxa3xx-gcu.c @@ -626,8 +626,8 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev) /* request the IRQ */ irq = platform_get_irq(pdev, 0); if (irq < 0) { - dev_err(dev, "no IRQ defined\n"); - return -ENODEV; + dev_err(dev, "no IRQ defined: %d\n", irq); + return irq; } ret = devm_request_irq(dev, irq, pxa3xx_gcu_handle_irq, diff --git a/drivers/video/fbdev/q40fb.c b/drivers/video/fbdev/q40fb.c index 04ea330ccf5d..0b93aa964d43 100644 --- a/drivers/video/fbdev/q40fb.c +++ b/drivers/video/fbdev/q40fb.c @@ -36,7 +36,7 @@ static struct fb_fix_screeninfo q40fb_fix = { .accel = FB_ACCEL_NONE, }; -static struct fb_var_screeninfo q40fb_var = { +static const struct fb_var_screeninfo q40fb_var = { .xres = 1024, .yres = 512, .xres_virtual = 1024, diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c index 2ef26ad99341..1ea78bb911fb 100644 --- a/drivers/video/fbdev/riva/fbdev.c +++ b/drivers/video/fbdev/riva/fbdev.c @@ -101,7 +101,7 @@ static int rivafb_blank(int blank, struct fb_info *info); * * ------------------------------------------------------------------------- */ -static struct pci_device_id rivafb_pci_tbl[] = { +static const struct pci_device_id rivafb_pci_tbl[] = { { PCI_VENDOR_ID_NVIDIA_SGS, PCI_DEVICE_ID_NVIDIA_SGS_RIVA128, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT, diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c index 13b109073c63..d63f23e26f7d 100644 --- a/drivers/video/fbdev/s3fb.c +++ b/drivers/video/fbdev/s3fb.c @@ -1483,7 +1483,7 @@ static int s3_pci_resume(struct pci_dev* dev) /* List of boards that we are trying to support */ -static struct pci_device_id s3_devices[] = { +static const struct pci_device_id s3_devices[] = { {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8810), .driver_data = CHIP_XXX_TRIO}, {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8811), .driver_data = CHIP_XXX_TRIO}, {PCI_DEVICE(PCI_VENDOR_ID_S3, 0x8812), .driver_data = CHIP_M65_AURORA64VP}, diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index c30a91c1137c..c20468362f11 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -2429,7 +2429,7 @@ static int savagefb_resume(struct pci_dev* dev) } -static struct pci_device_id savagefb_devices[] = { +static const struct pci_device_id savagefb_devices[] = { {PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX128, PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE}, diff --git a/drivers/video/fbdev/sis/init301.c b/drivers/video/fbdev/sis/init301.c index 20f7234e809e..1ec9c3e0e1d8 100644 --- a/drivers/video/fbdev/sis/init301.c +++ b/drivers/video/fbdev/sis/init301.c @@ -6848,8 +6848,6 @@ SiS_SetGroup2(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short if(SiS_Pr->SiS_VGAHDE >= 1280) { tempch = 20; tempbx &= ~0x20; - } else if(SiS_Pr->SiS_VGAHDE >= 1024) { - tempch = 25; } else { tempch = 25; /* OK */ } @@ -7964,14 +7962,9 @@ SiS_SetCHTVReg(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short } } } else { /* ---- PAL ---- */ - /* We don't play around with FSCI in PAL mode */ - if(resindex == 0x04) { - SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF); /* loop filter off */ - SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE); /* ACIV on */ - } else { - SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF); /* loop filter off */ - SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE); /* ACIV on */ - } + /* We don't play around with FSCI in PAL mode */ + SiS_SetCH70xxANDOR(SiS_Pr, 0x20, 0x00, 0xEF); /* loop filter off */ + SiS_SetCH70xxANDOR(SiS_Pr, 0x21, 0x01, 0xFE); /* ACIV on */ } #endif /* 300 */ @@ -9657,8 +9650,6 @@ SetDelayComp(struct SiS_Private *SiS_Pr, unsigned short ModeNo) delay = 0x0a; } else if(IS_SIS740) { delay = 0x00; - } else if(SiS_Pr->ChipType < SIS_330) { - delay = 0x0c; } else { delay = 0x0c; } diff --git a/drivers/video/fbdev/skeletonfb.c b/drivers/video/fbdev/skeletonfb.c index e219a0a22077..7f4e908330bf 100644 --- a/drivers/video/fbdev/skeletonfb.c +++ b/drivers/video/fbdev/skeletonfb.c @@ -84,7 +84,7 @@ struct xxx_par; * if we don't use modedb. If we do use modedb see xxxfb_init how to use it * to get a fb_var_screeninfo. Otherwise define a default var as well. */ -static struct fb_fix_screeninfo xxxfb_fix = { +static const struct fb_fix_screeninfo xxxfb_fix = { .id = "FB's name", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, @@ -866,7 +866,7 @@ static int xxxfb_resume(struct pci_dev *dev) #define xxxfb_resume NULL #endif /* CONFIG_PM */ -static struct pci_device_id xxxfb_id_table[] = { +static const struct pci_device_id xxxfb_id_table[] = { { PCI_VENDOR_ID_XXX, PCI_DEVICE_ID_XXX, PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, PCI_CLASS_MASK, 0 }, diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c index 67e314fdd947..076dd2711630 100644 --- a/drivers/video/fbdev/sm501fb.c +++ b/drivers/video/fbdev/sm501fb.c @@ -46,7 +46,7 @@ static char *fb_mode = "640x480-16@60"; static unsigned long default_bpp = 16; -static struct fb_videomode sm501_default_mode = { +static const struct fb_videomode sm501_default_mode = { .refresh = 60, .xres = 640, .yres = 480, diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c index 73cb4ffff3c5..502d0de2feec 100644 --- a/drivers/video/fbdev/sm712fb.c +++ b/drivers/video/fbdev/sm712fb.c @@ -33,8 +33,8 @@ #include "sm712.h" /* -* Private structure -*/ + * Private structure + */ struct smtcfb_info { struct pci_dev *pdev; struct fb_info *fb; @@ -785,7 +785,7 @@ static void __init sm7xx_vga_setup(char *options) smtc_scr_info.lfb_height = 0; smtc_scr_info.lfb_depth = 0; - pr_debug("sm7xx_vga_setup = %s\n", options); + pr_debug("%s = %s\n", __func__, options); for (i = 0; i < ARRAY_SIZE(vesa_mode_table); i++) { if (strstr(options, vesa_mode_table[i].index)) { @@ -798,8 +798,8 @@ static void __init sm7xx_vga_setup(char *options) } } -static void sm712_setpalette(int regno, unsigned red, unsigned green, - unsigned blue, struct fb_info *info) +static void sm712_setpalette(int regno, unsigned int red, unsigned int green, + unsigned int blue, struct fb_info *info) { /* set bit 5:4 = 01 (write LCD RAM only) */ smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10); @@ -896,8 +896,9 @@ static int smtc_blank(int blank_mode, struct fb_info *info) return 0; } -static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned trans, struct fb_info *info) +static int smtc_setcolreg(unsigned int regno, unsigned int red, + unsigned int green, unsigned int blue, + unsigned int trans, struct fb_info *info) { struct smtcfb_info *sfb; u32 val; @@ -1477,7 +1478,7 @@ static int smtcfb_pci_probe(struct pci_dev *pdev, } /* can support 32 bpp */ - if (15 == sfb->fb->var.bits_per_pixel) + if (sfb->fb->var.bits_per_pixel == 15) sfb->fb->var.bits_per_pixel = 16; sfb->fb->var.xres_virtual = sfb->fb->var.xres; diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c index 449fceaf79d5..2275e80b5776 100644 --- a/drivers/video/fbdev/smscufx.c +++ b/drivers/video/fbdev/smscufx.c @@ -122,7 +122,7 @@ static const u32 smscufx_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST | FBINFO_VIRTFB | FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA | FBINFO_MISC_ALWAYS_SETPAR; -static struct usb_device_id id_table[] = { +static const struct usb_device_id id_table[] = { {USB_DEVICE(0x0424, 0x9d00),}, {USB_DEVICE(0x0424, 0x9d01),}, {}, diff --git a/drivers/video/fbdev/sunxvr1000.c b/drivers/video/fbdev/sunxvr1000.c index fb37f6e05391..8fe37c0ef2f5 100644 --- a/drivers/video/fbdev/sunxvr1000.c +++ b/drivers/video/fbdev/sunxvr1000.c @@ -33,8 +33,8 @@ static int gfb_get_props(struct gfb_info *gp) gp->depth = of_getintprop_default(gp->of_node, "depth", 32); if (!gp->width || !gp->height) { - printk(KERN_ERR "gfb: Critical properties missing for %s\n", - gp->of_node->full_name); + printk(KERN_ERR "gfb: Critical properties missing for %pOF\n", + gp->of_node); return -EINVAL; } @@ -151,12 +151,12 @@ static int gfb_probe(struct platform_device *op) if (err) goto err_unmap_fb; - printk("gfb: Found device at %s\n", dp->full_name); + printk("gfb: Found device at %pOF\n", dp); err = register_framebuffer(info); if (err < 0) { - printk(KERN_ERR "gfb: Could not register framebuffer %s\n", - dp->full_name); + printk(KERN_ERR "gfb: Could not register framebuffer %pOF\n", + dp); goto err_unmap_fb; } diff --git a/drivers/video/fbdev/sunxvr2500.c b/drivers/video/fbdev/sunxvr2500.c index 1a053292f2eb..544465ba1dc0 100644 --- a/drivers/video/fbdev/sunxvr2500.c +++ b/drivers/video/fbdev/sunxvr2500.c @@ -220,7 +220,7 @@ err_out: return err; } -static struct pci_device_id s3d_pci_table[] = { +static const struct pci_device_id s3d_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002c), }, { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002d), }, { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002e), }, diff --git a/drivers/video/fbdev/sunxvr500.c b/drivers/video/fbdev/sunxvr500.c index dc0d886e4e7e..bc595937df08 100644 --- a/drivers/video/fbdev/sunxvr500.c +++ b/drivers/video/fbdev/sunxvr500.c @@ -393,7 +393,7 @@ err_out: return err; } -static struct pci_device_id e3d_pci_table[] = { +static const struct pci_device_id e3d_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x7a0), }, { PCI_DEVICE(0x1091, 0x7a0), }, { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x7a2), }, diff --git a/drivers/video/fbdev/tcx.c b/drivers/video/fbdev/tcx.c index 54ad08854c94..c98d8a569ccd 100644 --- a/drivers/video/fbdev/tcx.c +++ b/drivers/video/fbdev/tcx.c @@ -467,8 +467,8 @@ static int tcx_probe(struct platform_device *op) dev_set_drvdata(&op->dev, info); - printk(KERN_INFO "%s: TCX at %lx:%lx, %s\n", - dp->full_name, + printk(KERN_INFO "%pOF: TCX at %lx:%lx, %s\n", + dp, par->which_io, info->fix.smem_start, par->lowdepth ? "8-bit only" : "24-bit depth"); diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index d5fa313806fe..dec1fed9880e 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -120,7 +120,7 @@ static const struct fb_var_screeninfo tdfx_var = { static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void tdfxfb_remove(struct pci_dev *pdev); -static struct pci_device_id tdfxfb_id_table[] = { +static const struct pci_device_id tdfxfb_id_table[] = { { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_BANSHEE, PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, 0xff0000, 0 }, diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 8a5bbc13082e..284706184b1b 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -1737,7 +1737,7 @@ static void trident_pci_remove(struct pci_dev *dev) } /* List of boards that we are trying to support */ -static struct pci_device_id trident_devices[] = { +static const struct pci_device_id trident_devices[] = { {PCI_VENDOR_ID_TRIDENT, BLADE3D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index 05ef657235df..ef08a104fb42 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -54,7 +54,7 @@ static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST | * which is compatible with all known USB 2.0 era graphics chips and firmware, * but allows DisplayLink to increment those for any future incompatible chips */ -static struct usb_device_id id_table[] = { +static const struct usb_device_id id_table[] = { {.idVendor = 0x17e9, .bInterfaceClass = 0xff, .bInterfaceSubClass = 0x00, @@ -1465,7 +1465,7 @@ static ssize_t metrics_reset_store(struct device *fbdev, return count; } -static struct bin_attribute edid_attr = { +static const struct bin_attribute edid_attr = { .attr.name = "edid", .attr.mode = 0666, .size = EDID_LENGTH, @@ -1655,7 +1655,6 @@ static int dlfb_usb_probe(struct usb_interface *interface, error: if (dev) { - kref_put(&dev->kref, dlfb_free); /* ref for framebuffer */ kref_put(&dev->kref, dlfb_free); /* last ref from kref_init */ /* dev has been deallocated. Do not dereference */ diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c index dc0e8d90d9cc..73676eb0244a 100644 --- a/drivers/video/fbdev/uvesafb.c +++ b/drivers/video/fbdev/uvesafb.c @@ -1666,7 +1666,7 @@ static struct attribute *uvesafb_dev_attrs[] = { NULL, }; -static struct attribute_group uvesafb_dev_attgrp = { +static const struct attribute_group uvesafb_dev_attgrp = { .name = NULL, .attrs = uvesafb_dev_attrs, }; @@ -1860,19 +1860,18 @@ static int uvesafb_setup(char *options) } #endif /* !MODULE */ -static ssize_t show_v86d(struct device_driver *dev, char *buf) +static ssize_t v86d_show(struct device_driver *dev, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", v86d_path); } -static ssize_t store_v86d(struct device_driver *dev, const char *buf, +static ssize_t v86d_store(struct device_driver *dev, const char *buf, size_t count) { strncpy(v86d_path, buf, PATH_MAX); return count; } - -static DRIVER_ATTR(v86d, S_IRUGO | S_IWUSR, show_v86d, store_v86d); +static DRIVER_ATTR_RW(v86d); static int uvesafb_init(void) { diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c index ce4c4729a5e8..6f8d444eb0e3 100644 --- a/drivers/video/fbdev/vermilion/vermilion.c +++ b/drivers/video/fbdev/vermilion/vermilion.c @@ -55,7 +55,7 @@ static struct list_head global_has_mode; static struct fb_ops vmlfb_ops; static struct vml_sys *subsys = NULL; static char *vml_default_mode = "1024x768@60"; -static struct fb_videomode defaultmode = { +static const struct fb_videomode defaultmode = { NULL, 60, 1024, 768, 12896, 144, 24, 29, 3, 136, 6, 0, FB_VMODE_NONINTERLACED }; @@ -1044,7 +1044,7 @@ static struct fb_ops vmlfb_ops = { .fb_setcolreg = vmlfb_setcolreg }; -static struct pci_device_id vml_ids[] = { +static const struct pci_device_id vml_ids[] = { {PCI_DEVICE(PCI_VENDOR_ID_INTEL, VML_DEVICE_VDC)}, {0} }; diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c index 1d28e16888e9..77774d8abf94 100644 --- a/drivers/video/fbdev/via/via-core.c +++ b/drivers/video/fbdev/via/via-core.c @@ -724,7 +724,7 @@ static void via_pci_remove(struct pci_dev *pdev) } -static struct pci_device_id via_pci_table[] = { +static const struct pci_device_id via_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID), .driver_data = UNICHROME_CLE266 }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID), diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c index dd0f18e42d3e..5cac871db3ee 100644 --- a/drivers/video/fbdev/vt8623fb.c +++ b/drivers/video/fbdev/vt8623fb.c @@ -81,7 +81,7 @@ static struct vga_regset vt8623_line_compare_regs[] = {{0x18, 0, 7}, {0x07, 4, static struct vga_regset vt8623_fetch_count_regs[] = {{0x1C, 0, 7}, {0x1D, 0, 1}, VGA_REGSET_END}; static struct vga_regset vt8623_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x34, 0, 7}, {0x48, 0, 1}, VGA_REGSET_END}; -static struct svga_timing_regs vt8623_timing_regs = { +static const struct svga_timing_regs vt8623_timing_regs = { vt8623_h_total_regs, vt8623_h_display_regs, vt8623_h_blank_start_regs, vt8623_h_blank_end_regs, vt8623_h_sync_start_regs, vt8623_h_sync_end_regs, vt8623_v_total_regs, vt8623_v_display_regs, vt8623_v_blank_start_regs, @@ -888,7 +888,7 @@ fail: /* List of boards that we are trying to support */ -static struct pci_device_id vt8623_devices[] = { +static const struct pci_device_id vt8623_devices[] = { {PCI_DEVICE(PCI_VENDOR_ID_VIA, 0x3122)}, {0, 0, 0, 0, 0, 0, 0} }; diff --git a/drivers/video/fbdev/xilinxfb.c b/drivers/video/fbdev/xilinxfb.c index 17dc119c7a98..8628829b470d 100644 --- a/drivers/video/fbdev/xilinxfb.c +++ b/drivers/video/fbdev/xilinxfb.c @@ -41,7 +41,6 @@ #define DRIVER_NAME "xilinxfb" - /* * Xilinx calls it "TFT LCD Controller" though it can also be used for * the VGA port on the Xilinx ML40x board. This is a hardware display @@ -92,15 +91,16 @@ struct xilinxfb_platform_data { u32 xvirt, yvirt; /* resolution of memory buffer */ /* Physical address of framebuffer memory; If non-zero, driver - * will use provided memory address instead of allocating one from - * the consistent pool. */ + * will use provided memory address instead of allocating one from + * the consistent pool. + */ u32 fb_phys; }; /* * Default xilinxfb configuration */ -static struct xilinxfb_platform_data xilinx_fb_default_pdata = { +static const struct xilinxfb_platform_data xilinx_fb_default_pdata = { .xres = 640, .yres = 480, .xvirt = 1024, @@ -110,14 +110,14 @@ static struct xilinxfb_platform_data xilinx_fb_default_pdata = { /* * Here are the default fb_fix_screeninfo and fb_var_screeninfo structures */ -static struct fb_fix_screeninfo xilinx_fb_fix = { +static const struct fb_fix_screeninfo xilinx_fb_fix = { .id = "Xilinx", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .accel = FB_ACCEL_NONE }; -static struct fb_var_screeninfo xilinx_fb_var = { +static const struct fb_var_screeninfo xilinx_fb_var = { .bits_per_pixel = BITS_PER_PIXEL, .red = { RED_SHIFT, 8, 0 }, @@ -128,18 +128,18 @@ static struct fb_var_screeninfo xilinx_fb_var = { .activate = FB_ACTIVATE_NOW }; - #define BUS_ACCESS_FLAG 0x1 /* 1 = BUS, 0 = DCR */ #define LITTLE_ENDIAN_ACCESS 0x2 /* LITTLE ENDIAN IO functions */ struct xilinxfb_drvdata { - struct fb_info info; /* FB driver info record */ phys_addr_t regs_phys; /* phys. address of the control - registers */ + * registers + */ void __iomem *regs; /* virt. address of the control - registers */ + * registers + */ #ifdef CONFIG_PPC_DCR dcr_host_t dcr_host; unsigned int dcr_len; @@ -148,7 +148,7 @@ struct xilinxfb_drvdata { dma_addr_t fb_phys; /* phys. address of the frame buffer */ int fb_alloced; /* Flag, was the fb memory alloced? */ - u8 flags; /* features of the driver */ + u8 flags; /* features of the driver */ u32 reg_ctrl_default; @@ -165,7 +165,7 @@ struct xilinxfb_drvdata { * which bus its connected and call the appropriate write API. */ static void xilinx_fb_out32(struct xilinxfb_drvdata *drvdata, u32 offset, - u32 val) + u32 val) { if (drvdata->flags & BUS_ACCESS_FLAG) { if (drvdata->flags & LITTLE_ENDIAN_ACCESS) @@ -195,8 +195,8 @@ static u32 xilinx_fb_in32(struct xilinxfb_drvdata *drvdata, u32 offset) } static int -xilinx_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *fbi) +xilinx_fb_setcolreg(unsigned int regno, unsigned int red, unsigned int green, + unsigned int blue, unsigned int transp, struct fb_info *fbi) { u32 *palette = fbi->pseudo_palette; @@ -205,9 +205,11 @@ xilinx_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, if (fbi->var.grayscale) { /* Convert color to grayscale. - * grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = - (red * 77 + green * 151 + blue * 28 + 127) >> 8; + * grayscale = 0.30*R + 0.59*G + 0.11*B + */ + blue = (red * 77 + green * 151 + blue * 28 + 127) >> 8; + green = blue; + red = green; } /* fbi->fix.visual is always FB_VISUAL_TRUECOLOR */ @@ -241,13 +243,11 @@ xilinx_fb_blank(int blank_mode, struct fb_info *fbi) xilinx_fb_out32(drvdata, REG_CTRL, 0); default: break; - } return 0; /* success */ } -static struct fb_ops xilinxfb_ops = -{ +static struct fb_ops xilinxfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = xilinx_fb_setcolreg, .fb_blank = xilinx_fb_blank, @@ -286,7 +286,8 @@ static int xilinxfb_assign(struct platform_device *pdev, } else { drvdata->fb_alloced = 1; drvdata->fb_virt = dma_alloc_coherent(dev, PAGE_ALIGN(fbsize), - &drvdata->fb_phys, GFP_KERNEL); + &drvdata->fb_phys, + GFP_KERNEL); } if (!drvdata->fb_virt) { @@ -300,7 +301,7 @@ static int xilinxfb_assign(struct platform_device *pdev, /* Tell the hardware where the frame buffer is */ xilinx_fb_out32(drvdata, REG_FB_ADDR, drvdata->fb_phys); rc = xilinx_fb_in32(drvdata, REG_FB_ADDR); - /* Endianess detection */ + /* Endianness detection */ if (rc != drvdata->fb_phys) { drvdata->flags |= LITTLE_ENDIAN_ACCESS; xilinx_fb_out32(drvdata, REG_FB_ADDR, drvdata->fb_phys); @@ -310,8 +311,7 @@ static int xilinxfb_assign(struct platform_device *pdev, drvdata->reg_ctrl_default = REG_CTRL_ENABLE; if (pdata->rotate_screen) drvdata->reg_ctrl_default |= REG_CTRL_ROTATE; - xilinx_fb_out32(drvdata, REG_CTRL, - drvdata->reg_ctrl_default); + xilinx_fb_out32(drvdata, REG_CTRL, drvdata->reg_ctrl_default); /* Fill struct fb_info */ drvdata->info.device = dev; @@ -364,7 +364,7 @@ err_regfb: err_cmap: if (drvdata->fb_alloced) dma_free_coherent(dev, PAGE_ALIGN(fbsize), drvdata->fb_virt, - drvdata->fb_phys); + drvdata->fb_phys); else iounmap(drvdata->fb_virt); @@ -435,12 +435,12 @@ static int xilinxfb_of_probe(struct platform_device *pdev) * Fill the resource structure if its direct BUS interface * otherwise fill the dcr_host structure. */ - if (tft_access) { + if (tft_access) drvdata->flags |= BUS_ACCESS_FLAG; - } #ifdef CONFIG_PPC_DCR else { int start; + start = dcr_resource_start(pdev->dev.of_node, 0); drvdata->dcr_len = dcr_resource_len(pdev->dev.of_node, 0); drvdata->dcr_host = dcr_map(pdev->dev.of_node, start, drvdata->dcr_len); @@ -452,19 +452,19 @@ static int xilinxfb_of_probe(struct platform_device *pdev) #endif prop = of_get_property(pdev->dev.of_node, "phys-size", &size); - if ((prop) && (size >= sizeof(u32)*2)) { + if ((prop) && (size >= sizeof(u32) * 2)) { pdata.screen_width_mm = prop[0]; pdata.screen_height_mm = prop[1]; } prop = of_get_property(pdev->dev.of_node, "resolution", &size); - if ((prop) && (size >= sizeof(u32)*2)) { + if ((prop) && (size >= sizeof(u32) * 2)) { pdata.xres = prop[0]; pdata.yres = prop[1]; } prop = of_get_property(pdev->dev.of_node, "virtual-resolution", &size); - if ((prop) && (size >= sizeof(u32)*2)) { + if ((prop) && (size >= sizeof(u32) * 2)) { pdata.xvirt = prop[0]; pdata.yvirt = prop[1]; } @@ -482,7 +482,7 @@ static int xilinxfb_of_remove(struct platform_device *op) } /* Match table for of_platform binding */ -static struct of_device_id xilinxfb_of_match[] = { +static const struct of_device_id xilinxfb_of_match[] = { { .compatible = "xlnx,xps-tft-1.00.a", }, { .compatible = "xlnx,xps-tft-2.00.a", }, { .compatible = "xlnx,xps-tft-2.01.a", }, |