summaryrefslogtreecommitdiffstats
path: root/drivers/video/pxafb.c
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-07-13 12:05:49 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-13 12:05:49 +0100
commit044e5f45e4ad890d03bd1e8bb44c634397cac24d (patch)
treea6063f77bd719d933823915d2273eaadb6331611 /drivers/video/pxafb.c
parentf0006314d37639714da9658cf4ff3f1f9f420764 (diff)
parentfaf64ed4968e354624f330c6da6c1ce8b05a0713 (diff)
Merge branch 'pxa' into devel
Conflicts: arch/arm/configs/em_x270_defconfig arch/arm/configs/xm_x270_defconfig
Diffstat (limited to 'drivers/video/pxafb.c')
-rw-r--r--drivers/video/pxafb.c108
1 files changed, 105 insertions, 3 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index fafe7db20d6..bb251436950 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);
@@ -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);
@@ -1792,11 +1850,49 @@ failed:
return ret;
}
+static int __devexit pxafb_remove(struct platform_device *dev)
+{
+ struct pxafb_info *fbi = platform_get_drvdata(dev);
+ struct resource *r;
+ int irq;
+ struct fb_info *info;
+
+ if (!fbi)
+ return 0;
+
+ info = &fbi->fb;
+
+ unregister_framebuffer(info);
+
+ pxafb_disable_controller(fbi);
+
+ if (fbi->fb.cmap.len)
+ fb_dealloc_cmap(&fbi->fb.cmap);
+
+ irq = platform_get_irq(dev, 0);
+ free_irq(irq, fbi);
+
+ dma_free_writecombine(&dev->dev, fbi->map_size,
+ fbi->map_cpu, fbi->map_dma);
+
+ iounmap(fbi->mmio_base);
+
+ r = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ release_mem_region(r->start, r->end - r->start + 1);
+
+ clk_put(fbi->clk);
+ kfree(fbi);
+
+ return 0;
+}
+
static struct platform_driver pxafb_driver = {
.probe = pxafb_probe,
+ .remove = pxafb_remove,
.suspend = pxafb_suspend,
.resume = pxafb_resume,
.driver = {
+ .owner = THIS_MODULE,
.name = "pxa2xx-fb",
},
};
@@ -1809,7 +1905,13 @@ static int __init pxafb_init(void)
return platform_driver_register(&pxafb_driver);
}
+static void __exit pxafb_exit(void)
+{
+ platform_driver_unregister(&pxafb_driver);
+}
+
module_init(pxafb_init);
+module_exit(pxafb_exit);
MODULE_DESCRIPTION("loadable framebuffer driver for PXA");
MODULE_LICENSE("GPL");