aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/pxafb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/pxafb.c')
-rw-r--r--drivers/video/pxafb.c71
1 files changed, 65 insertions, 6 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 3682bbd7e50..5cc1b807372 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -227,6 +227,22 @@ static int pxafb_bpp_to_lccr3(struct fb_var_screeninfo *var)
case 4: ret = LCCR3_4BPP; break;
case 8: ret = LCCR3_8BPP; break;
case 16: ret = LCCR3_16BPP; break;
+ case 24:
+ switch (var->red.length + var->green.length +
+ var->blue.length + var->transp.length) {
+ case 18: ret = LCCR3_18BPP_P | LCCR3_PDFOR_3; break;
+ case 19: ret = LCCR3_19BPP_P; break;
+ }
+ break;
+ case 32:
+ switch (var->red.length + var->green.length +
+ var->blue.length + var->transp.length) {
+ case 18: ret = LCCR3_18BPP | LCCR3_PDFOR_3; break;
+ case 19: ret = LCCR3_19BPP; break;
+ case 24: ret = LCCR3_24BPP | LCCR3_PDFOR_3; break;
+ case 25: ret = LCCR3_25BPP; break;
+ }
+ break;
}
return ret;
}
@@ -345,6 +361,41 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
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 > 16) {
+ struct pxafb_mode_info *mode;
+
+ mode = pxafb_getmode(inf, var);
+ if (!mode)
+ return -EINVAL;
+
+ switch (mode->depth) {
+ case 18: /* RGB666 */
+ 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;
+ break;
+ case 19: /* RGBT666 */
+ 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;
+ break;
+ case 24: /* RGB888 */
+ 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;
+ break;
+ case 25: /* RGBT888 */
+ var->transp.offset = 24; 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;
+ break;
+ default:
+ return -EINVAL;
+ }
} else {
var->red.offset = var->green.offset = 0;
var->blue.offset = var->transp.offset = 0;
@@ -376,7 +427,7 @@ static int pxafb_set_par(struct fb_info *info)
struct pxafb_info *fbi = (struct pxafb_info *)info;
struct fb_var_screeninfo *var = &info->var;
- 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;
@@ -391,7 +442,7 @@ static int pxafb_set_par(struct fb_info *info)
fbi->fb.fix.line_length = var->xres_virtual *
var->bits_per_pixel / 8;
- if (var->bits_per_pixel == 16)
+ if (var->bits_per_pixel >= 16)
fbi->palette_size = 0;
else
fbi->palette_size = var->bits_per_pixel == 1 ?
@@ -404,7 +455,7 @@ static int pxafb_set_par(struct fb_info *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);
@@ -573,8 +624,8 @@ static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
dma_desc->fdadr = fbi->dma_buff_phys + dma_desc_off;
fbi->fdadr[dma] = fbi->dma_buff_phys + dma_desc_off;
} else {
- pal_desc = &fbi->dma_buff->pal_desc[dma];
- pal_desc_off = offsetof(struct pxafb_dma_buff, dma_desc[pal]);
+ pal_desc = &fbi->dma_buff->pal_desc[pal];
+ pal_desc_off = offsetof(struct pxafb_dma_buff, pal_desc[pal]);
pal_desc->fsadr = fbi->dma_buff_phys + pal * PALETTE_SIZE;
pal_desc->fidr = 0;
@@ -831,6 +882,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
case 4:
case 8:
case 16:
+ case 24:
+ case 32:
break;
default:
printk(KERN_ERR "%s: invalid bit depth %d\n",
@@ -968,6 +1021,11 @@ static void pxafb_setup_gpio(struct pxafb_info *fbi)
for (gpio = 58; ldd_bits; gpio++, ldd_bits--)
pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT);
+ /* 18 bit interface */
+ if (fbi->fb.var.bits_per_pixel > 16) {
+ pxa_gpio_mode(86 | GPIO_ALT_FN_2_OUT);
+ pxa_gpio_mode(87 | GPIO_ALT_FN_2_OUT);
+ }
pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
@@ -1276,6 +1334,8 @@ static int __init pxafb_map_video_memory(struct pxafb_info *fbi)
fbi->dma_buff_phys = fbi->map_dma;
fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
+ pr_debug("pxafb: palette_mem_size = 0x%08lx\n", fbi->palette_size*sizeof(u16));
+
#ifdef CONFIG_FB_PXA_SMARTPANEL
fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
fbi->n_smart_cmds = 0;
@@ -1351,7 +1411,6 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
struct pxafb_info *fbi;
void *addr;
struct pxafb_mach_info *inf = dev->platform_data;
- struct pxafb_mode_info *mode = inf->modes;
/* Alloc the pxafb_info and pseudo_palette in one step */
fbi = kmalloc(sizeof(struct pxafb_info) + sizeof(u32) * 16, GFP_KERNEL);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-26 04:19:23 +0000