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video: atmel: implement lcd_setcolreg function

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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>
This commit is contained in:
Bo Shen 2012-11-08 17:49:14 +00:00 committed by Anatolij Gustschin
parent d484b52e6f
commit cfcd1c03e4
2 changed files with 19 additions and 0 deletions
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12
drivers/video/atmel_hlcdfb.c
View file

@ -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;

7
include/atmel_hlcdc.h
View file

@ -217,6 +217,13 @@ struct atmel_hlcd_regs {
#define LCDC_BASECFG3_RDEF(value) \
((LCDC_BASECFG3_RDEF_Msk & ((value) << LCDC_BASECFG3_RDEF_Pos)))
#define LCDC_BASECLUT_BCLUT_Pos 0
#define LCDC_BASECLUT_BCLUT_Msk (0xff << LCDC_BASECLUT_BCLUT_Pos)
#define LCDC_BASECLUT_GCLUT_Pos 8
#define LCDC_BASECLUT_GCLUT_Msk (0xff << LCDC_BASECLUT_GCLUT_Pos)
#define LCDC_BASECLUT_RCLUT_Pos 16
#define LCDC_BASECLUT_RCLUT_Msk (0xff << LCDC_BASECLUT_RCLUT_Pos)
#define LCDC_BASECFG4_DMA (0x1 << 8)
#define LCDC_BASECFG4_REP (0x1 << 9)