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-rw-r--r--drivers/video/fbdev/amba-clcd-versatile.c567
1 files changed, 0 insertions, 567 deletions
diff --git a/drivers/video/fbdev/amba-clcd-versatile.c b/drivers/video/fbdev/amba-clcd-versatile.c
deleted file mode 100644
index d42047dc4e4e..000000000000
--- a/drivers/video/fbdev/amba-clcd-versatile.c
+++ /dev/null
@@ -1,567 +0,0 @@
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-#include <linux/platform_data/video-clcd-versatile.h>
-#include <linux/of.h>
-#include <linux/of_graph.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/bitops.h>
-#include "amba-clcd-versatile.h"
-
-static struct clcd_panel vga = {
- .mode = {
- .name = "VGA",
- .refresh = 60,
- .xres = 640,
- .yres = 480,
- .pixclock = 39721,
- .left_margin = 40,
- .right_margin = 24,
- .upper_margin = 32,
- .lower_margin = 11,
- .hsync_len = 96,
- .vsync_len = 2,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
- .bpp = 16,
-};
-
-static struct clcd_panel xvga = {
- .mode = {
- .name = "XVGA",
- .refresh = 60,
- .xres = 1024,
- .yres = 768,
- .pixclock = 15748,
- .left_margin = 152,
- .right_margin = 48,
- .upper_margin = 23,
- .lower_margin = 3,
- .hsync_len = 104,
- .vsync_len = 4,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
- .bpp = 16,
-};
-
-/* Sanyo TM38QV67A02A - 3.8 inch QVGA (320x240) Color TFT */
-static struct clcd_panel sanyo_tm38qv67a02a = {
- .mode = {
- .name = "Sanyo TM38QV67A02A",
- .refresh = 116,
- .xres = 320,
- .yres = 240,
- .pixclock = 100000,
- .left_margin = 6,
- .right_margin = 6,
- .upper_margin = 5,
- .lower_margin = 5,
- .hsync_len = 6,
- .vsync_len = 6,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551,
- .bpp = 16,
-};
-
-static struct clcd_panel sanyo_2_5_in = {
- .mode = {
- .name = "Sanyo QVGA Portrait",
- .refresh = 116,
- .xres = 240,
- .yres = 320,
- .pixclock = 100000,
- .left_margin = 20,
- .right_margin = 10,
- .upper_margin = 2,
- .lower_margin = 2,
- .hsync_len = 10,
- .vsync_len = 2,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_IVS | TIM2_IHS | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551,
- .bpp = 16,
-};
-
-/* Epson L2F50113T00 - 2.2 inch 176x220 Color TFT */
-static struct clcd_panel epson_l2f50113t00 = {
- .mode = {
- .name = "Epson L2F50113T00",
- .refresh = 390,
- .xres = 176,
- .yres = 220,
- .pixclock = 62500,
- .left_margin = 3,
- .right_margin = 2,
- .upper_margin = 1,
- .lower_margin = 0,
- .hsync_len = 3,
- .vsync_len = 2,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551,
- .bpp = 16,
-};
-
-static struct clcd_panel *panels[] = {
- &vga,
- &xvga,
- &sanyo_tm38qv67a02a,
- &sanyo_2_5_in,
- &epson_l2f50113t00,
-};
-
-struct clcd_panel *versatile_clcd_get_panel(const char *name)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(panels); i++)
- if (strcmp(panels[i]->mode.name, name) == 0)
- break;
-
- if (i < ARRAY_SIZE(panels))
- return panels[i];
-
- pr_err("CLCD: couldn't get parameters for panel %s\n", name);
-
- return NULL;
-}
-
-int versatile_clcd_setup_dma(struct clcd_fb *fb, unsigned long framesize)
-{
- dma_addr_t dma;
-
- fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, framesize, &dma,
- GFP_KERNEL);
- if (!fb->fb.screen_base) {
- pr_err("CLCD: unable to map framebuffer\n");
- return -ENOMEM;
- }
-
- fb->fb.fix.smem_start = dma;
- fb->fb.fix.smem_len = framesize;
-
- return 0;
-}
-
-int versatile_clcd_mmap_dma(struct clcd_fb *fb, struct vm_area_struct *vma)
-{
- return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base,
- fb->fb.fix.smem_start, fb->fb.fix.smem_len);
-}
-
-void versatile_clcd_remove_dma(struct clcd_fb *fb)
-{
- dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base,
- fb->fb.fix.smem_start);
-}
-
-#ifdef CONFIG_OF
-
-static struct regmap *versatile_syscon_map;
-static struct regmap *versatile_ib2_map;
-
-/*
- * We detect the different syscon types from the compatible strings.
- */
-enum versatile_clcd {
- INTEGRATOR_CLCD_CM,
- VERSATILE_CLCD,
- REALVIEW_CLCD_EB,
- REALVIEW_CLCD_PB1176,
- REALVIEW_CLCD_PB11MP,
- REALVIEW_CLCD_PBA8,
- REALVIEW_CLCD_PBX,
-};
-
-static const struct of_device_id versatile_clcd_of_match[] = {
- {
- .compatible = "arm,core-module-integrator",
- .data = (void *)INTEGRATOR_CLCD_CM,
- },
- {
- .compatible = "arm,versatile-sysreg",
- .data = (void *)VERSATILE_CLCD,
- },
- {
- .compatible = "arm,realview-eb-syscon",
- .data = (void *)REALVIEW_CLCD_EB,
- },
- {
- .compatible = "arm,realview-pb1176-syscon",
- .data = (void *)REALVIEW_CLCD_PB1176,
- },
- {
- .compatible = "arm,realview-pb11mp-syscon",
- .data = (void *)REALVIEW_CLCD_PB11MP,
- },
- {
- .compatible = "arm,realview-pba8-syscon",
- .data = (void *)REALVIEW_CLCD_PBA8,
- },
- {
- .compatible = "arm,realview-pbx-syscon",
- .data = (void *)REALVIEW_CLCD_PBX,
- },
- {},
-};
-
-/*
- * Core module CLCD control on the Integrator/CP, bits
- * 8 thru 19 of the CM_CONTROL register controls a bunch
- * of CLCD settings.
- */
-#define INTEGRATOR_HDR_CTRL_OFFSET 0x0C
-#define INTEGRATOR_CLCD_LCDBIASEN BIT(8)
-#define INTEGRATOR_CLCD_LCDBIASUP BIT(9)
-#define INTEGRATOR_CLCD_LCDBIASDN BIT(10)
-/* Bits 11,12,13 controls the LCD type */
-#define INTEGRATOR_CLCD_LCDMUX_MASK (BIT(11)|BIT(12)|BIT(13))
-#define INTEGRATOR_CLCD_LCDMUX_LCD24 BIT(11)
-#define INTEGRATOR_CLCD_LCDMUX_VGA565 BIT(12)
-#define INTEGRATOR_CLCD_LCDMUX_SHARP (BIT(11)|BIT(12))
-#define INTEGRATOR_CLCD_LCDMUX_VGA555 BIT(13)
-#define INTEGRATOR_CLCD_LCDMUX_VGA24 (BIT(11)|BIT(12)|BIT(13))
-#define INTEGRATOR_CLCD_LCD0_EN BIT(14)
-#define INTEGRATOR_CLCD_LCD1_EN BIT(15)
-/* R/L flip on Sharp */
-#define INTEGRATOR_CLCD_LCD_STATIC1 BIT(16)
-/* U/D flip on Sharp */
-#define INTEGRATOR_CLCD_LCD_STATIC2 BIT(17)
-/* No connection on Sharp */
-#define INTEGRATOR_CLCD_LCD_STATIC BIT(18)
-/* 0 = 24bit VGA, 1 = 18bit VGA */
-#define INTEGRATOR_CLCD_LCD_N24BITEN BIT(19)
-
-#define INTEGRATOR_CLCD_MASK (INTEGRATOR_CLCD_LCDBIASEN | \
- INTEGRATOR_CLCD_LCDBIASUP | \
- INTEGRATOR_CLCD_LCDBIASDN | \
- INTEGRATOR_CLCD_LCDMUX_MASK | \
- INTEGRATOR_CLCD_LCD0_EN | \
- INTEGRATOR_CLCD_LCD1_EN | \
- INTEGRATOR_CLCD_LCD_STATIC1 | \
- INTEGRATOR_CLCD_LCD_STATIC2 | \
- INTEGRATOR_CLCD_LCD_STATIC | \
- INTEGRATOR_CLCD_LCD_N24BITEN)
-
-static void integrator_clcd_enable(struct clcd_fb *fb)
-{
- struct fb_var_screeninfo *var = &fb->fb.var;
- u32 val;
-
- dev_info(&fb->dev->dev, "enable Integrator CLCD connectors\n");
-
- /* FIXME: really needed? */
- val = INTEGRATOR_CLCD_LCD_STATIC1 | INTEGRATOR_CLCD_LCD_STATIC2 |
- INTEGRATOR_CLCD_LCD0_EN | INTEGRATOR_CLCD_LCD1_EN;
- if (var->bits_per_pixel <= 8 ||
- (var->bits_per_pixel == 16 && var->green.length == 5))
- /* Pseudocolor, RGB555, BGR555 */
- val |= INTEGRATOR_CLCD_LCDMUX_VGA555;
- else if (fb->fb.var.bits_per_pixel <= 16)
- /* truecolor RGB565 */
- val |= INTEGRATOR_CLCD_LCDMUX_VGA565;
- else
- val = 0; /* no idea for this, don't trust the docs */
-
- regmap_update_bits(versatile_syscon_map,
- INTEGRATOR_HDR_CTRL_OFFSET,
- INTEGRATOR_CLCD_MASK,
- val);
-}
-
-/*
- * This configuration register in the Versatile and RealView
- * family is uniformly present but appears more and more
- * unutilized starting with the RealView series.
- */
-#define SYS_CLCD 0x50
-#define SYS_CLCD_MODE_MASK (BIT(0)|BIT(1))
-#define SYS_CLCD_MODE_888 0
-#define SYS_CLCD_MODE_5551 BIT(0)
-#define SYS_CLCD_MODE_565_R_LSB BIT(1)
-#define SYS_CLCD_MODE_565_B_LSB (BIT(0)|BIT(1))
-#define SYS_CLCD_CONNECTOR_MASK (BIT(2)|BIT(3)|BIT(4)|BIT(5))
-#define SYS_CLCD_NLCDIOON BIT(2)
-#define SYS_CLCD_VDDPOSSWITCH BIT(3)
-#define SYS_CLCD_PWR3V5SWITCH BIT(4)
-#define SYS_CLCD_VDDNEGSWITCH BIT(5)
-#define SYS_CLCD_TSNSS BIT(6) /* touchscreen enable */
-#define SYS_CLCD_SSPEXP BIT(7) /* SSP expansion enable */
-
-/* The Versatile can detect the connected panel type */
-#define SYS_CLCD_CLCDID_MASK (BIT(8)|BIT(9)|BIT(10)|BIT(11)|BIT(12))
-#define SYS_CLCD_ID_SANYO_3_8 (0x00 << 8)
-#define SYS_CLCD_ID_SHARP_8_4 (0x01 << 8)
-#define SYS_CLCD_ID_EPSON_2_2 (0x02 << 8)
-#define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8)
-#define SYS_CLCD_ID_VGA (0x1f << 8)
-
-#define SYS_CLCD_TSNDAV BIT(13) /* data ready from TS */
-
-/* IB2 control register for the Versatile daughterboard */
-#define IB2_CTRL 0x00
-#define IB2_CTRL_LCD_SD BIT(1) /* 1 = shut down LCD */
-#define IB2_CTRL_LCD_BL_ON BIT(0)
-#define IB2_CTRL_LCD_MASK (BIT(0)|BIT(1))
-
-static void versatile_clcd_disable(struct clcd_fb *fb)
-{
- dev_info(&fb->dev->dev, "disable Versatile CLCD connectors\n");
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- 0);
-
- /* If we're on an IB2 daughterboard, turn off display */
- if (versatile_ib2_map) {
- dev_info(&fb->dev->dev, "disable IB2 display\n");
- regmap_update_bits(versatile_ib2_map,
- IB2_CTRL,
- IB2_CTRL_LCD_MASK,
- IB2_CTRL_LCD_SD);
- }
-}
-
-static void versatile_clcd_enable(struct clcd_fb *fb)
-{
- struct fb_var_screeninfo *var = &fb->fb.var;
- u32 val = 0;
-
- dev_info(&fb->dev->dev, "enable Versatile CLCD connectors\n");
- switch (var->green.length) {
- case 5:
- val |= SYS_CLCD_MODE_5551;
- break;
- case 6:
- if (var->red.offset == 0)
- val |= SYS_CLCD_MODE_565_R_LSB;
- else
- val |= SYS_CLCD_MODE_565_B_LSB;
- break;
- case 8:
- val |= SYS_CLCD_MODE_888;
- break;
- }
-
- /* Set up the MUX */
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_MODE_MASK,
- val);
-
- /* Then enable the display */
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH);
-
- /* If we're on an IB2 daughterboard, turn on display */
- if (versatile_ib2_map) {
- dev_info(&fb->dev->dev, "enable IB2 display\n");
- regmap_update_bits(versatile_ib2_map,
- IB2_CTRL,
- IB2_CTRL_LCD_MASK,
- IB2_CTRL_LCD_BL_ON);
- }
-}
-
-static void versatile_clcd_decode(struct clcd_fb *fb, struct clcd_regs *regs)
-{
- clcdfb_decode(fb, regs);
-
- /* Always clear BGR for RGB565: we do the routing externally */
- if (fb->fb.var.green.length == 6)
- regs->cntl &= ~CNTL_BGR;
-}
-
-static void realview_clcd_disable(struct clcd_fb *fb)
-{
- dev_info(&fb->dev->dev, "disable RealView CLCD connectors\n");
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- 0);
-}
-
-static void realview_clcd_enable(struct clcd_fb *fb)
-{
- dev_info(&fb->dev->dev, "enable RealView CLCD connectors\n");
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH);
-}
-
-struct versatile_panel {
- u32 id;
- char *compatible;
- bool ib2;
-};
-
-static const struct versatile_panel versatile_panels[] = {
- {
- .id = SYS_CLCD_ID_VGA,
- .compatible = "VGA",
- },
- {
- .id = SYS_CLCD_ID_SANYO_3_8,
- .compatible = "sanyo,tm38qv67a02a",
- },
- {
- .id = SYS_CLCD_ID_SHARP_8_4,
- .compatible = "sharp,lq084v1dg21",
- },
- {
- .id = SYS_CLCD_ID_EPSON_2_2,
- .compatible = "epson,l2f50113t00",
- },
- {
- .id = SYS_CLCD_ID_SANYO_2_5,
- .compatible = "sanyo,alr252rgt",
- .ib2 = true,
- },
-};
-
-static void versatile_panel_probe(struct device *dev, struct device_node *panel)
-{
- struct versatile_panel const *vpanel = NULL;
- u32 val;
- int ret;
- int i;
-
- /*
- * The Versatile CLCD has a panel auto-detection mechanism.
- * We use this and look for the compatible panel in the
- * device tree.
- */
- ret = regmap_read(versatile_syscon_map, SYS_CLCD, &val);
- if (ret) {
- dev_err(dev, "cannot read CLCD syscon register\n");
- return;
- }
- val &= SYS_CLCD_CLCDID_MASK;
-
- /* First find corresponding panel information */
- for (i = 0; i < ARRAY_SIZE(versatile_panels); i++) {
- vpanel = &versatile_panels[i];
-
- if (val == vpanel->id) {
- dev_err(dev, "autodetected panel \"%s\"\n",
- vpanel->compatible);
- break;
- }
- }
- if (i == ARRAY_SIZE(versatile_panels)) {
- dev_err(dev, "could not auto-detect panel\n");
- return;
- }
-
- if (!of_device_is_compatible(panel, vpanel->compatible))
- dev_err(dev, "panel in DT is not compatible with the "
- "auto-detected panel, continuing anyway\n");
-
- /*
- * If we have a Sanyo 2.5" port
- * that we're running on an IB2 and proceed to look for the
- * IB2 syscon regmap.
- */
- if (!vpanel->ib2)
- return;
-
- versatile_ib2_map = syscon_regmap_lookup_by_compatible(
- "arm,versatile-ib2-syscon");
- if (IS_ERR(versatile_ib2_map)) {
- dev_err(dev, "could not locate IB2 control register\n");
- versatile_ib2_map = NULL;
- return;
- }
-}
-
-int versatile_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel)
-{
- const struct of_device_id *clcd_id;
- enum versatile_clcd versatile_clcd_type;
- struct device_node *np;
- struct regmap *map;
- struct device *dev = &fb->dev->dev;
-
- np = of_find_matching_node_and_match(NULL, versatile_clcd_of_match,
- &clcd_id);
- if (!np) {
- /* Vexpress does not have this */
- return 0;
- }
- versatile_clcd_type = (enum versatile_clcd)clcd_id->data;
-
- map = syscon_node_to_regmap(np);
- if (IS_ERR(map)) {
- dev_err(dev, "no Versatile syscon regmap\n");
- return PTR_ERR(map);
- }
-
- switch (versatile_clcd_type) {
- case INTEGRATOR_CLCD_CM:
- versatile_syscon_map = map;
- fb->board->enable = integrator_clcd_enable;
- /* Override the caps, we have only these */
- fb->board->caps = CLCD_CAP_5551 | CLCD_CAP_RGB565 |
- CLCD_CAP_888;
- dev_info(dev, "set up callbacks for Integrator PL110\n");
- break;
- case VERSATILE_CLCD:
- versatile_syscon_map = map;
- fb->board->enable = versatile_clcd_enable;
- fb->board->disable = versatile_clcd_disable;
- fb->board->decode = versatile_clcd_decode;
- versatile_panel_probe(dev, panel);
- dev_info(dev, "set up callbacks for Versatile\n");
- break;
- case REALVIEW_CLCD_EB:
- case REALVIEW_CLCD_PB1176:
- case REALVIEW_CLCD_PB11MP:
- case REALVIEW_CLCD_PBA8:
- case REALVIEW_CLCD_PBX:
- versatile_syscon_map = map;
- fb->board->enable = realview_clcd_enable;
- fb->board->disable = realview_clcd_disable;
- dev_info(dev, "set up callbacks for RealView PL111\n");
- break;
- default:
- dev_info(dev, "unknown Versatile system controller\n");
- break;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(versatile_clcd_init_panel);
-#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.