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authorBo Shen <voice.shen@atmel.com>2012-11-08 17:49:14 +0000
committerAnatolij Gustschin <agust@denx.de>2012-11-10 14:04:08 +0100
commitcfcd1c03e44fc22f2146948dc9f341b28e6ec583 (patch)
tree52c5d4d4c53e1c5ff6d8ac9e59163326512e7063 /drivers/video
parentd484b52e6fcb28dc011ce45718294496c6ea83d0 (diff)
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video: atmel: implement lcd_setcolreg function
implement the common api lcd_setcolreg in include/lcd.h Signed-off-by: Bo Shen <voice.shen@atmel.com> [agust: fixed commit log and gcc 4.6 -Wparentheses warnings] Signed-off-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/atmel_hlcdfb.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c
index beb7fa3..b10ca4b 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;