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mfd:rk616:vif:fix dual lvds support

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This commit is contained in:
yxj
2013-05-03 12:22:54 +08:00
parent a7bfbf5582
commit baaaae0f0c
2 changed files with 8 additions and 4 deletions
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9
drivers/video/display/transmitter/rk616_vif.c
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@@ -536,6 +536,7 @@ static int rk616_lvds_cfg(struct mfd_rk616 *rk616,rk_screen *screen)
struct rk616_route *route = &rk616->route;
u32 val = 0;
int ret;
int odd = (screen->left_margin&0x01)?0:1;
if(!route->lvds_en) //lvds port is not used ,power down lvds
{
@@ -559,12 +560,14 @@ static int rk616_lvds_cfg(struct mfd_rk616 *rk616,rk_screen *screen)
if(route->lvds_ch_nr == 2) //dual lvds channel
{
val &= ~(LVDS_CH0TTL_EN | LVDS_CH1TTL_EN);
val = (LVDS_DCLK_INV) | (LVDS_CH1_PWR_EN) |(LVDS_CH0_PWR_EN) |
val = 0;
val &= ~(LVDS_CH0TTL_EN | LVDS_CH1TTL_EN | LVDS_PLL_PWR_DN);
val = (LVDS_DCLK_INV)|(LVDS_CH1_PWR_EN) |(LVDS_CH0_PWR_EN) | LVDS_HBP_ODD(odd) |
(LVDS_CBG_PWR_EN) | (LVDS_CH_SEL) | (LVDS_OUT_FORMAT(screen->hw_format)) |
(LVDS_CH0TTL_EN << 16) | (LVDS_CH1TTL_EN << 16) |(LVDS_CH1_PWR_EN << 16) |
(LVDS_CH0_PWR_EN << 16) | (LVDS_CBG_PWR_EN << 16) | (LVDS_CH_SEL << 16) |
(LVDS_OUT_FORMAT_MASK);
(LVDS_OUT_FORMAT_MASK) | (LVDS_DCLK_INV << 16) | (LVDS_PLL_PWR_DN << 16) |
(LVDS_HBP_ODD_MASK);
ret = rk616->write_dev(rk616,CRU_LVDS_CON0,&val);
dev_info(rk616->dev,"rk616 use dual lvds channel.......\n");

3
include/linux/mfd/rk616.h
View File

@@ -157,8 +157,9 @@
#define CRU_I2C_CON0 0x0080
#define CRU_LVDS_CON0 0x0084
#define LVDS_HBP_ODD_MASK (0x1<<30)
#define LVDS_OUT_FORMAT_MASK (3<<16)
#define LVDS_CON_ST_PHASE (1<<14)
#define LVDS_HBP_ODD(x) (((x)&1)<<14)
#define LVDS_DCLK_INV (1<<13)
#define LVDS_CH1_LOAD (1<<12)
#define LVDS_CH0_LOAD (1<<11)