diff options
Diffstat (limited to 'drivers/video/atmel_hlcdfb.c')
| -rw-r--r-- | drivers/video/atmel_hlcdfb.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c index beb7fa396ea..b10ca4b6771 100644 --- a/drivers/video/atmel_hlcdfb.c +++ b/drivers/video/atmel_hlcdfb.c @@ -51,6 +51,18 @@ short console_row; #define lcdc_readl(reg) __raw_readl((reg)) #define lcdc_writel(reg, val) __raw_writel((val), (reg)) +/* + * the CLUT register map as following + * RCLUT(24 ~ 16), GCLUT(15 ~ 8), BCLUT(7 ~ 0) + */ +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{ + lcdc_writel(((red << LCDC_BASECLUT_RCLUT_Pos) & LCDC_BASECLUT_RCLUT_Msk) + | ((green << LCDC_BASECLUT_GCLUT_Pos) & LCDC_BASECLUT_GCLUT_Msk) + | ((blue << LCDC_BASECLUT_BCLUT_Pos) & LCDC_BASECLUT_BCLUT_Msk), + panel_info.mmio + ATMEL_LCDC_LUT(regno)); +} + void lcd_ctrl_init(void *lcdbase) { unsigned long value; |