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path: root/drivers/video/atmel_lcdfb.c
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Diffstat (limited to 'drivers/video/atmel_lcdfb.c')
-rw-r--r--drivers/video/atmel_lcdfb.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 12cf5f3..98348ec 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -422,17 +422,22 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
= var->bits_per_pixel;
break;
case 16:
+ /* Older SOCs use IBGR:555 rather than BGR:565. */
+ if (sinfo->have_intensity_bit)
+ var->green.length = 5;
+ else
+ var->green.length = 6;
+
if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) {
- /* RGB:565 mode */
- var->red.offset = 11;
+ /* RGB:5X5 mode */
+ var->red.offset = var->green.length + 5;
var->blue.offset = 0;
} else {
- /* BGR:565 mode */
+ /* BGR:5X5 mode */
var->red.offset = 0;
- var->blue.offset = 11;
+ var->blue.offset = var->green.length + 5;
}
var->green.offset = 5;
- var->green.length = 6;
var->red.length = var->blue.length = 5;
break;
case 32:
@@ -679,8 +684,7 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red,
case FB_VISUAL_PSEUDOCOLOR:
if (regno < 256) {
- if (cpu_is_at91sam9261() || cpu_is_at91sam9263()
- || cpu_is_at91sam9rl()) {
+ if (sinfo->have_intensity_bit) {
/* old style I+BGR:555 */
val = ((red >> 11) & 0x001f);
val |= ((green >> 6) & 0x03e0);
@@ -870,6 +874,10 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
}
sinfo->info = info;
sinfo->pdev = pdev;
+ if (cpu_is_at91sam9261() || cpu_is_at91sam9263() ||
+ cpu_is_at91sam9rl()) {
+ sinfo->have_intensity_bit = true;
+ }
strcpy(info->fix.id, sinfo->pdev->name);
info->flags = ATMEL_LCDFB_FBINFO_DEFAULT;
@@ -1150,18 +1158,7 @@ static struct platform_driver atmel_lcdfb_driver = {
},
};
-static int __init atmel_lcdfb_init(void)
-{
- return platform_driver_probe(&atmel_lcdfb_driver, atmel_lcdfb_probe);
-}
-
-static void __exit atmel_lcdfb_exit(void)
-{
- platform_driver_unregister(&atmel_lcdfb_driver);
-}
-
-module_init(atmel_lcdfb_init);
-module_exit(atmel_lcdfb_exit);
+module_platform_driver_probe(atmel_lcdfb_driver, atmel_lcdfb_probe);
MODULE_DESCRIPTION("AT91/AT32 LCD Controller framebuffer driver");
MODULE_AUTHOR("Nicolas Ferre <nicolas.ferre@atmel.com>");
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