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path: root/target/linux/pxa/patches-2.6.21/043-pxafb-18bpp-mode.patch
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Diffstat (limited to 'target/linux/pxa/patches-2.6.21/043-pxafb-18bpp-mode.patch')
-rw-r--r--target/linux/pxa/patches-2.6.21/043-pxafb-18bpp-mode.patch415
1 files changed, 0 insertions, 415 deletions
diff --git a/target/linux/pxa/patches-2.6.21/043-pxafb-18bpp-mode.patch b/target/linux/pxa/patches-2.6.21/043-pxafb-18bpp-mode.patch
deleted file mode 100644
index c41310a..0000000
--- a/target/linux/pxa/patches-2.6.21/043-pxafb-18bpp-mode.patch
+++ /dev/null
@@ -1,415 +0,0 @@
---- a/drivers/video/pxafb.c
-+++ b/drivers/video/pxafb.c
-@@ -191,6 +191,10 @@ static int pxafb_bpp_to_lccr3(struct fb_
- case 4: ret = LCCR3_4BPP; break;
- case 8: ret = LCCR3_8BPP; break;
- case 16: ret = LCCR3_16BPP; break;
-+ case 18: ret = (var->nonstd == 24 ? LCCR3_18BPP_PACKED : LCCR3_18BPP); break;
-+ case 19: ret = (var->nonstd == 24 ? LCCR3_19BPP_PACKED : LCCR3_19BPP); break;
-+ case 24: ret = LCCR3_24BPP; break;
-+ case 25: ret = LCCR3_25BPP; break;
- }
- return ret;
- }
-@@ -204,11 +208,12 @@ static int pxafb_bpp_to_lccr3(struct fb_
- */
- static unsigned int pxafb_display_dma_period(struct fb_var_screeninfo *var)
- {
-- /*
-- * Period = pixclock * bits_per_byte * bytes_per_transfer
-- * / memory_bits_per_pixel;
-- */
-- return var->pixclock * 8 * 16 / var->bits_per_pixel;
-+ /*
-+ * Period = pixclock * bits_per_byte * bytes_per_transfer
-+ * / memory_bits_per_pixel;
-+ */
-+ struct pxafb_mach_info *inf = fbi->dev->platform_data;
-+ return var->pixclock * 8 * 16 / (var->nonstd ? var->nonstd : var->bits_per_pixel);
- }
-
- extern unsigned int get_clk_frequency_khz(int info);
-@@ -307,6 +312,26 @@ static int pxafb_check_var(struct fb_var
- var->green.offset = 5; var->green.length = 6;
- var->blue.offset = 0; var->blue.length = 5;
- var->transp.offset = var->transp.length = 0;
-+ } else if (var->bits_per_pixel == 18) {
-+ var->transp.offset = var->transp.length = 0;
-+ var->red.offset = 12; var->red.length=6;
-+ var->green.offset = 6; var->green.length=6;
-+ var->blue.offset = 0; var->blue.length=6;
-+ } else if (var->bits_per_pixel == 19) {
-+ var->transp.offset = 18; var->transp.length = 1;
-+ var->red.offset = 12; var->red.length=6;
-+ var->green.offset = 6; var->green.length=6;
-+ var->blue.offset = 0; var->blue.length=6;
-+ } else if (var->bits_per_pixel == 24) {
-+ var->transp.offset = var->transp.length = 0;
-+ var->red.offset = 16; var->red.length=8;
-+ var->green.offset = 8; var->green.length=8;
-+ var->blue.offset = 0; var->blue.length=8;
-+ } else if (var->bits_per_pixel == 25) {
-+ var->transp.offset = 18; var->transp.length = 1;
-+ var->red.offset = 16; var->red.length=8;
-+ var->green.offset = 8; var->green.length=8;
-+ var->blue.offset = 0; var->blue.length=8;
- } else {
- var->red.offset = var->green.offset = var->blue.offset = var->transp.offset = 0;
- var->red.length = 8;
-@@ -342,7 +367,7 @@ static int pxafb_set_par(struct fb_info
-
- pr_debug("pxafb: set_par\n");
-
-- if (var->bits_per_pixel == 16)
-+ if (var->bits_per_pixel >= 16)
- fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR;
- else if (!fbi->cmap_static)
- fbi->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR;
-@@ -355,9 +380,10 @@ static int pxafb_set_par(struct fb_info
- fbi->fb.fix.visual = FB_VISUAL_STATIC_PSEUDOCOLOR;
- }
-
-- fbi->fb.fix.line_length = var->xres_virtual *
-- var->bits_per_pixel / 8;
-- if (var->bits_per_pixel == 16)
-+ fbi->fb.fix.line_length = var->xres_virtual *
-+ (var->nonstd ? var->nonstd : var->bits_per_pixel) / 8;
-+
-+ if (var->bits_per_pixel >= 16)
- fbi->palette_size = 0;
- else
- fbi->palette_size = var->bits_per_pixel == 1 ? 4 : 1 << var->bits_per_pixel;
-@@ -374,7 +400,7 @@ static int pxafb_set_par(struct fb_info
- */
- pxafb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR);
-
-- if (fbi->fb.var.bits_per_pixel == 16)
-+ if (fbi->fb.var.bits_per_pixel >= 16)
- fb_dealloc_cmap(&fbi->fb.cmap);
- else
- fb_alloc_cmap(&fbi->fb.cmap, 1<<fbi->fb.var.bits_per_pixel, 0);
-@@ -584,6 +610,14 @@ static int pxafb_activate_var(struct fb_
- case 8:
- case 16:
- break;
-+ case 18:
-+ case 19:
-+ case 24:
-+ case 25:
-+ if(var->nonstd) break;
-+ printk(KERN_ERR "%s: must specify nonstd when bit depth==%d\n",
-+ fbi->fb.fix.id, var->bits_per_pixel);
-+ break;
- default:
- printk(KERN_ERR "%s: invalid bit depth %d\n",
- fbi->fb.fix.id, var->bits_per_pixel);
-@@ -679,7 +713,7 @@ static int pxafb_activate_var(struct fb_
- fbi->dmadesc_palette_cpu->fidr = 0;
- fbi->dmadesc_palette_cpu->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL;
-
-- if (var->bits_per_pixel == 16) {
-+ if (var->bits_per_pixel >= 16) {
- /* palette shouldn't be loaded in true-color mode */
- fbi->dmadesc_fbhigh_cpu->fdadr = fbi->dmadesc_fbhigh_dma;
- fbi->fdadr0 = fbi->dmadesc_fbhigh_dma; /* no pal just fbhigh */
-@@ -785,8 +819,19 @@ static void pxafb_setup_gpio(struct pxaf
- return;
- }
-
-- for (gpio = 58; ldd_bits; gpio++, ldd_bits--)
-+ for (gpio = 58; min(ldd_bits,16); gpio++, ldd_bits--)
- pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT);
-+
-+ switch(fbi->fb.var.bits_per_pixel)
-+ {
-+ case 25:
-+ case 24:
-+ case 19:
-+ case 18:
-+ pxa_gpio_mode(GPIO86_LDD_16_MD);
-+ pxa_gpio_mode(GPIO87_LDD_17_MD);
-+ default: break;
-+ }
- pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
- pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
- pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
-@@ -1135,7 +1180,7 @@ static struct pxafb_info * __init pxafb_
- fbi->fb.fix.ywrapstep = 0;
- fbi->fb.fix.accel = FB_ACCEL_NONE;
-
-- fbi->fb.var.nonstd = 0;
-+ fbi->fb.var.nonstd = mode->nonstd;
- fbi->fb.var.activate = FB_ACTIVATE_NOW;
- fbi->fb.var.height = -1;
- fbi->fb.var.width = -1;
-@@ -1161,7 +1206,7 @@ static struct pxafb_info * __init pxafb_
- fbi->task_state = (u_char)-1;
-
- for (i = 0; i < inf->num_modes; i++) {
-- smemlen = mode[i].xres * mode[i].yres * mode[i].bpp / 8;
-+ smemlen = mode[i].xres * mode[i].yres * (mode[i].nonstd ? mode[i].nonstd : mode[i].bpp) / 8;
- if (smemlen > fbi->fb.fix.smem_len)
- fbi->fb.fix.smem_len = smemlen;
- }
-@@ -1189,12 +1234,19 @@ static int __init pxafb_parse_options(st
- if (!strncmp(this_opt, "mode:", 5)) {
- const char *name = this_opt+5;
- unsigned int namelen = strlen(name);
-- int res_specified = 0, bpp_specified = 0;
-- unsigned int xres = 0, yres = 0, bpp = 0;
-+ int res_specified = 0, bpp_specified = 0, nonstd_specified = 0;
-+ unsigned int xres = 0, yres = 0, bpp = 0, nonstd = 0;
- int yres_specified = 0;
- int i;
- for (i = namelen-1; i >= 0; i--) {
- switch (name[i]) {
-+ case '/':
-+ if (!nonstd_specified) {
-+ nonstd = simple_strtoul(&name[i+1], NULL, 0);
-+ nonstd_specified = 1;
-+ } else
-+ goto done;
-+ break;
- case '-':
- namelen = i;
- if (!bpp_specified && !yres_specified) {
-@@ -1227,12 +1279,29 @@ static int __init pxafb_parse_options(st
- }
- if (bpp_specified)
- switch (bpp) {
-+ case 18:
-+ case 19:
-+ case 24:
-+ case 25:
-+ if(nonstd_specified && (((bpp == 18 || bpp == 19) && nonstd == 24) || nonstd == 32))
-+ {
-+ inf->modes[0].nonstd = nonstd;
-+ dev_info(dev, "overriding nonstd pixel packing: %d\n",nonstd);
-+ } else {
-+ dev_err(dev, "Depth %d requires nonstd to be specified\n",bpp);
-+ break;
-+ }
- case 1:
- case 2:
- case 4:
- case 8:
- case 16:
- inf->modes[0].bpp = bpp;
-+ if(nonstd_specified) {
-+ dev_err(dev, "Depth %d requires nonstd to *not* be specified\n",bpp);
-+ } else {
-+ inf->modes[0].nonstd = 0;
-+ }
- dev_info(dev, "overriding bit depth: %d\n", bpp);
- break;
- default:
---- a/include/asm-arm/arch-pxa/pxa-regs.h
-+++ b/include/asm-arm/arch-pxa/pxa-regs.h
-@@ -1323,6 +1323,8 @@
- #define GPIO83_NSTXD 83 /* NSSP transmit */
- #define GPIO84_NSRXD 84 /* NSSP receive */
- #define GPIO85_nPCE_1 85 /* Card Enable for Card Space (PXA27x) */
-+#define GPIO86_LDD_16 86 /* LCD data pin 16 */
-+#define GPIO87_LDD_17 87 /* LCD data pin 17 */
- #define GPIO92_MMCDAT0 92 /* MMC DAT0 (PXA27x) */
- #define GPIO102_nPCE_1 102 /* PCMCIA (PXA27x) */
- #define GPIO105_nPCE_2 105 /* Card Enable for Card Space (PXA27x) */
-@@ -1468,6 +1470,8 @@
- #define GPIO84_NSSP_TX (84 | GPIO_ALT_FN_1_OUT)
- #define GPIO84_NSSP_RX (84 | GPIO_ALT_FN_2_IN)
- #define GPIO85_nPCE_1_MD (85 | GPIO_ALT_FN_1_OUT)
-+#define GPIO86_LDD_16_MD (86 | GPIO_ALT_FN_2_OUT)
-+#define GPIO87_LDD_17_MD (87 | GPIO_ALT_FN_2_OUT)
- #define GPIO92_MMCDAT0_MD (92 | GPIO_ALT_FN_1_OUT)
- #define GPIO102_nPCE_1_MD (102 | GPIO_ALT_FN_1_OUT)
- #define GPIO104_pSKTSEL_MD (104 | GPIO_ALT_FN_1_OUT)
-@@ -1878,6 +1882,12 @@
- #define LCCR3_4BPP (2 << 24)
- #define LCCR3_8BPP (3 << 24)
- #define LCCR3_16BPP (4 << 24)
-+#define LCCR3_18BPP (5 << 24)
-+#define LCCR3_18BPP_PACKED (6 << 24)
-+#define LCCR3_19BPP (7 << 24)
-+#define LCCR3_19BPP_PACKED (1 << 29)
-+#define LCCR3_24BPP ((1 << 29) | (1 << 24))
-+#define LCCR3_25BPP ((1 << 29) | (2 << 24))
-
- #define FDADR0 __REG(0x44000200) /* DMA Channel 0 Frame Descriptor Address Register */
- #define FSADR0 __REG(0x44000204) /* DMA Channel 0 Frame Source Address Register */
---- a/include/asm-arm/arch-pxa/pxafb.h
-+++ b/include/asm-arm/arch-pxa/pxafb.h
-@@ -25,6 +25,7 @@ struct pxafb_mode_info {
- u_short xres;
- u_short yres;
-
-+ /* bpp is the path-to-screen bits per pixel, not the in-memory storage required */
- u_char bpp;
- u_char hsync_len;
- u_char left_margin;
-@@ -36,7 +37,9 @@ struct pxafb_mode_info {
- u_char sync;
-
- u_int cmap_greyscale:1,
-- unused:31;
-+ nonstd:8, /* nonstd represents the in-memory bits per pixel
-+ ie 24 or 32 for 18/19bpp mode, or 32 for 24/25bpp mode */
-+ unused:23;
- };
-
- struct pxafb_mach_info {
---- a/arch/arm/mach-pxa/gumstix.c
-+++ b/arch/arm/mach-pxa/gumstix.c
-@@ -146,7 +146,8 @@ static struct pxafb_mode_info gumstix_fb
- .pixclock = 110000,
- .xres = 480,
- .yres = 272,
-- .bpp = 16,
-+ .bpp = 18,
-+ .nonstd = 24,
- .hsync_len = 41,
- .left_margin = 2,
- .right_margin = 2,
-@@ -174,7 +175,8 @@ static struct pxafb_mode_info gumstix_fb
- .vsync_len = 10, // VLW from datasheet: 10 typ
- .upper_margin = 2, // VBP - VLW from datasheet: 12 - 10 = 2
- .lower_margin = 4, // VFP from datasheet: 4 typ
-- .bpp = 16,
-+ .bpp = 18,
-+ .nonstd = 24,
- .sync = 0, // Hsync and Vsync both active low
- };
-
---- a/drivers/video/cfbfillrect.c
-+++ b/drivers/video/cfbfillrect.c
-@@ -62,7 +62,10 @@ pixel_to_pat( u32 bpp, u32 pixel)
- return 0x0001001001001001ul*pixel;
- case 16:
- return 0x0001000100010001ul*pixel;
-+ case 18:
-+ case 19:
- case 24:
-+ case 25:
- return 0x0000000001000001ul*pixel;
- case 32:
- return 0x0000000100000001ul*pixel;
-@@ -87,7 +90,10 @@ pixel_to_pat( u32 bpp, u32 pixel)
- return 0x00001001ul*pixel;
- case 16:
- return 0x00010001ul*pixel;
-+ case 18:
-+ case 19:
- case 24:
-+ case 25:
- return 0x00000001ul*pixel;
- case 32:
- return 0x00000001ul*pixel;
-@@ -346,7 +352,7 @@ void cfb_fillrect(struct fb_info *p, con
- unsigned long pat, fg;
- unsigned long width = rect->width, height = rect->height;
- int bits = BITS_PER_LONG, bytes = bits >> 3;
-- u32 bpp = p->var.bits_per_pixel;
-+ u32 bpp = (p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
- unsigned long __iomem *dst;
- int dst_idx, left;
-
---- a/drivers/video/cfbimgblt.c
-+++ b/drivers/video/cfbimgblt.c
-@@ -83,7 +83,7 @@ static inline void color_imageblit(const
- /* Draw the penguin */
- u32 __iomem *dst, *dst2;
- u32 color = 0, val, shift;
-- int i, n, bpp = p->var.bits_per_pixel;
-+ int i, n, bpp = (p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
- u32 null_bits = 32 - bpp;
- u32 *palette = (u32 *) p->pseudo_palette;
- const u8 *src = image->data;
-@@ -140,7 +140,7 @@ static inline void slow_imageblit(const
- u32 start_index,
- u32 pitch_index)
- {
-- u32 shift, color = 0, bpp = p->var.bits_per_pixel;
-+ u32 shift, color = 0, bpp = (p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
- u32 __iomem *dst, *dst2;
- u32 val, pitch = p->fix.line_length;
- u32 null_bits = 32 - bpp;
-@@ -213,7 +213,7 @@ static inline void fast_imageblit(const
- u8 __iomem *dst1, u32 fgcolor,
- u32 bgcolor)
- {
-- u32 fgx = fgcolor, bgx = bgcolor, bpp = p->var.bits_per_pixel;
-+ u32 fgx = fgcolor, bgx = bgcolor, bpp = (p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
- u32 ppw = 32/bpp, spitch = (image->width + 7)/8;
- u32 bit_mask, end_mask, eorx, shift;
- const char *s = image->data, *src;
-@@ -262,7 +262,7 @@ static inline void fast_imageblit(const
- void cfb_imageblit(struct fb_info *p, const struct fb_image *image)
- {
- u32 fgcolor, bgcolor, start_index, bitstart, pitch_index = 0;
-- u32 bpl = sizeof(u32), bpp = p->var.bits_per_pixel;
-+ u32 bpl = sizeof(u32), bpp = (p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
- u32 width = image->width;
- u32 dx = image->dx, dy = image->dy;
- u8 __iomem *dst1;
---- a/drivers/video/cfbcopyarea.c
-+++ b/drivers/video/cfbcopyarea.c
-@@ -365,8 +365,8 @@ void cfb_copyarea(struct fb_info *p, con
- dst = src = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1));
- dst_idx = src_idx = 8*((unsigned long)p->screen_base & (bytes-1));
- // add offset of source and target area
-- dst_idx += dy*bits_per_line + dx*p->var.bits_per_pixel;
-- src_idx += sy*bits_per_line + sx*p->var.bits_per_pixel;
-+ dst_idx += dy*bits_per_line + dx*(p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
-+ src_idx += sy*bits_per_line + sx*(p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel);
-
- if (p->fbops->fb_sync)
- p->fbops->fb_sync(p);
-@@ -380,7 +380,7 @@ void cfb_copyarea(struct fb_info *p, con
- src += src_idx >> (ffs(bits) - 1);
- src_idx &= (bytes - 1);
- bitcpy_rev(dst, dst_idx, src, src_idx, bits,
-- width*p->var.bits_per_pixel);
-+ width*(p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel));
- }
- } else {
- while (height--) {
-@@ -389,7 +389,7 @@ void cfb_copyarea(struct fb_info *p, con
- src += src_idx >> (ffs(bits) - 1);
- src_idx &= (bytes - 1);
- bitcpy(dst, dst_idx, src, src_idx, bits,
-- width*p->var.bits_per_pixel);
-+ width*(p->var.nonstd ? p->var.nonstd : p->var.bits_per_pixel));
- dst_idx += bits_per_line;
- src_idx += bits_per_line;
- }
---- a/drivers/video/console/fbcon.c
-+++ b/drivers/video/console/fbcon.c
-@@ -983,9 +983,10 @@ static const char *fbcon_startup(void)
-
- DPRINTK("mode: %s\n", info->fix.id);
- DPRINTK("visual: %d\n", info->fix.visual);
-- DPRINTK("res: %dx%d-%d\n", info->var.xres,
-+ DPRINTK("res: %dx%d-%d(%d)\n", info->var.xres,
- info->var.yres,
-- info->var.bits_per_pixel);
-+ info->var.bits_per_pixel,
-+ info->var.nonstd ? info->var.nonstd : info->var.bits_per_pixel);
-
- #ifdef CONFIG_ATARI
- if (MACH_IS_ATARI) {
---- a/Documentation/fb/pxafb.txt
-+++ b/Documentation/fb/pxafb.txt
-@@ -9,11 +9,13 @@ For example:
- or on the kernel command line
- video=pxafb:mode:640x480-8,passive
-
--mode:XRESxYRES[-BPP]
-+mode:XRESxYRES[-BPP[/PACKING]]
- XRES == LCCR1_PPL + 1
- YRES == LLCR2_LPP + 1
- The resolution of the display in pixels
- BPP == The bit depth. Valid values are 1, 2, 4, 8 and 16.
-+ PACKING == The in-memory bits per pixel. Valid values are 24, 32 when
-+ BPP == 18,19,24,25
-
- pixclock:PIXCLOCK
- Pixel clock in picoseconds
generated by cgit v1.1 at 2024-12-01 04:32:28 +0000