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rk31xx lvds: add support rk3368 lvds transmitter

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Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2014-12-09 12:17:28 +08:00
committed by Huang, Tao
parent 040cf4804a
commit 4cd85a1ffb
4 changed files with 91 additions and 24 deletions
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4
drivers/video/rockchip/Makefile
View File

@@ -2,10 +2,10 @@ obj-$(CONFIG_FB_ROCKCHIP) += rk_fb.o rkfb_sysfs.o bmp_helper.o screen/
obj-$(CONFIG_DRM_ROCKCHIP) += rk_drm_fb.o screen/
obj-$(CONFIG_RK_TRSM) += transmitter/
obj-$(CONFIG_DRM_ROCKCHIP) += lcdc/
obj-$(CONFIG_FB_ROCKCHIP) += lcdc/
obj-$(CONFIG_FB_ROCKCHIP) += display-sys.o lcdc/
obj-$(CONFIG_ROCKCHIP_RGA) += rga/
obj-$(CONFIG_ROCKCHIP_RGA2) += rga2/
obj-$(CONFIG_RK_HDMI) += display-sys.o hdmi/
obj-$(CONFIG_RK_HDMI) += hdmi/
obj-$(CONFIG_IEP) += iep/
obj-$(CONFIG_RK_TVENCODER) += tve/

6
drivers/video/rockchip/transmitter/Kconfig
View File

@@ -17,8 +17,10 @@ config RK32_LVDS
depends on RK_TRSM
config RK31XX_LVDS
bool "RK312x/RK3190 lvds transmitter support"
depends on RK_TRSM
bool "RK312x/RK3190/3368 lvds transmitter support"
depends on RK_TRSM
help
If use LVDS or RGB output interface,selete this module.
config RK610_LVDS
bool "RK610(Jetta) lvds transmitter support"

88
drivers/video/rockchip/transmitter/rk31xx_lvds.c
View File

@@ -52,10 +52,12 @@ static int rk31xx_lvds_clk_init(struct rk_lvds_device *lvds)
return PTR_ERR(lvds->ctrl_pclk);
}
lvds->ctrl_hclk = devm_clk_get(lvds->dev, "hclk_vio_h2p");
if (IS_ERR(lvds->ctrl_hclk)) {
dev_err(lvds->dev, "get ctrl hclk failed\n");
return PTR_ERR(lvds->ctrl_hclk);
if (lvds->data->soc_type == LVDS_SOC_RK312X) {
lvds->ctrl_hclk = devm_clk_get(lvds->dev, "hclk_vio_h2p");
if (IS_ERR(lvds->ctrl_hclk)) {
dev_err(lvds->dev, "get ctrl hclk failed\n");
return PTR_ERR(lvds->ctrl_hclk);
}
}
return 0;
@@ -66,7 +68,8 @@ static int rk31xx_lvds_clk_enable(struct rk_lvds_device *lvds)
if (!lvds->clk_on) {
clk_prepare_enable(lvds->pclk);
clk_prepare_enable(lvds->ctrl_pclk);
clk_prepare_enable(lvds->ctrl_hclk);
if (lvds->data->soc_type == LVDS_SOC_RK312X)
clk_prepare_enable(lvds->ctrl_hclk);
lvds->clk_on = true;
}
@@ -77,7 +80,8 @@ static int rk31xx_lvds_clk_disable(struct rk_lvds_device *lvds)
{
if (lvds->clk_on) {
clk_disable_unprepare(lvds->pclk);
clk_disable_unprepare(lvds->ctrl_hclk);
if (lvds->data->soc_type == LVDS_SOC_RK312X)
clk_disable_unprepare(lvds->ctrl_hclk);
clk_disable_unprepare(lvds->ctrl_pclk);
lvds->clk_on = false;
}
@@ -145,6 +149,7 @@ static int rk31xx_lvds_disable(void)
rk31xx_lvds_clk_disable(lvds);
#if !defined(CONFIG_RK_FPGA)
#ifdef CONFIG_PINCTRL
if (lvds->screen.type == SCREEN_RGB) {
if (lvds->dev->pins) {
pinctrl_select_state(lvds->dev->pins->p,
@@ -154,6 +159,7 @@ static int rk31xx_lvds_disable(void)
lvds->pins->sleep_state);
}
}
#endif
#endif
lvds->sys_state = false;
return 0;
@@ -168,14 +174,32 @@ static void rk31xx_output_lvds(struct rk_lvds_device *lvds,
/* if LVDS transmitter source from VOP, vop_dclk need get invert
* set iomux in dts pinctrl
*/
val = 0;
val |= v_LVDSMODE_EN(1) | v_MIPIPHY_TTL_EN(0); /* enable lvds mode */
val |= v_LVDS_DATA_SEL(LVDS_DATA_FROM_LCDC); /* config data source */
val |= v_LVDS_OUTPUT_FORMAT(screen->lvds_format); /* config lvds_format */
val |= v_LVDS_MSBSEL(LVDS_MSB_D7); /* LSB receive mode */
val |= v_MIPIPHY_LANE0_EN(1) | v_MIPIDPI_FORCEX_EN(1);
grf_writel(val, RK312X_GRF_LVDS_CON0);
if (lvds->data->soc_type == LVDS_SOC_RK3368) {
/* enable lvds mode */
val |= v_RK3368_LVDSMODE_EN(1) | v_RK3368_MIPIPHY_TTL_EN(0);
/* config data source */
/*val |= v_LVDS_DATA_SEL(LVDS_DATA_FROM_LCDC); */
/* config lvds_format */
val |= v_RK3368_LVDS_OUTPUT_FORMAT(screen->lvds_format);
/* LSB receive mode */
val |= v_RK3368_LVDS_MSBSEL(LVDS_MSB_D7);
val |= v_RK3368_MIPIPHY_LANE0_EN(1) |
v_RK3368_MIPIDPI_FORCEX_EN(1);
/*rk3368 RK3368_GRF_SOC_CON7 = 0X0041C*/
grf_writel(val, 0x0041C);
} else {
/* enable lvds mode */
val |= v_LVDSMODE_EN(1) | v_MIPIPHY_TTL_EN(0);
/* config data source */
val |= v_LVDS_DATA_SEL(LVDS_DATA_FROM_LCDC);
/* config lvds_format */
val |= v_LVDS_OUTPUT_FORMAT(screen->lvds_format);
/* LSB receive mode */
val |= v_LVDS_MSBSEL(LVDS_MSB_D7);
val |= v_MIPIPHY_LANE0_EN(1) | v_MIPIDPI_FORCEX_EN(1);
/*rk312x RK312X_GRF_LVDS_CON0 = 0X00150*/
grf_writel(val, 0X00150);
}
/* digital internal disable */
lvds_msk_reg(lvds, MIPIPHY_REGE1, m_DIG_INTER_EN, v_DIG_INTER_EN(0));
@@ -223,8 +247,10 @@ static void rk31xx_output_lvttl(struct rk_lvds_device *lvds,
grf_writel(0x77771111, 0x00e8); /* RK312X_GRF_GPIO2C_IOMUX2 */
grf_writel(0x700c1004, RK312X_GRF_GPIO2D_IOMUX);
#else
#ifdef CONFIG_PINCTRL
if (lvds->pins && !IS_ERR(lvds->pins->default_state))
pinctrl_select_state(lvds->pins->p, lvds->pins->default_state);
#endif
#endif
val |= v_LVDSMODE_EN(0) | v_MIPIPHY_TTL_EN(1); /* enable lvds mode */
@@ -287,12 +313,34 @@ static struct rk_fb_trsm_ops trsm_lvds_ops = {
.dsp_pwr_on = rk31xx_lvds_pwr_on,
.dsp_pwr_off = rk31xx_lvds_pwr_off,
};
#if defined(CONFIG_OF)
static struct rk_lvds_drvdata rk31xx_lvds_drvdata = {
.soc_type = LVDS_SOC_RK312X,
};
static struct rk_lvds_drvdata rk3368_lvds_drvdata = {
.soc_type = LVDS_SOC_RK3368,
};
static const struct of_device_id rk31xx_lvds_dt_ids[] = {
{.compatible = "rockchip,rk31xx-lvds",
.data = (void *)&rk31xx_lvds_drvdata,},
{.compatible = "rockchip,rk3368-lvds",
.data = (void *)&rk3368_lvds_drvdata,},
{}
};
/*MODULE_DEVICE_TABLE(of, rk31xx_lvds_dt_ids);*/
#endif
static int rk31xx_lvds_probe(struct platform_device *pdev)
{
struct rk_lvds_device *lvds;
struct resource *res;
struct device_node *np = pdev->dev.of_node;
const struct of_device_id *match;
int ret = 0;
if (!np) {
@@ -306,6 +354,10 @@ static int rk31xx_lvds_probe(struct platform_device *pdev)
return -ENOMEM;
}
lvds->dev = &pdev->dev;
match = of_match_node(rk31xx_lvds_dt_ids, np);
lvds->data = (struct rk_lvds_drvdata *)match->data;
dev_info(lvds->dev, "%s,type=%d\n",
__func__, lvds->data->soc_type);
rk_fb_get_prmry_screen(&lvds->screen);
if ((lvds->screen.type != SCREEN_RGB) &&
@@ -318,6 +370,7 @@ static int rk31xx_lvds_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, lvds);
dev_set_name(lvds->dev, "rk31xx-lvds");
#ifdef CONFIG_PINCTRL
if (lvds->dev->pins == NULL && lvds->screen.type == SCREEN_RGB) {
lvds->pins = devm_kzalloc(lvds->dev, sizeof(*(lvds->pins)),
GFP_KERNEL);
@@ -344,6 +397,7 @@ static int rk31xx_lvds_probe(struct platform_device *pdev)
}
}
#endif
/* lvds regs on MIPIPHY_REG */
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mipi_lvds_phy");
lvds->regbase = devm_ioremap_resource(&pdev->dev, res);
@@ -390,12 +444,6 @@ static void rk31xx_lvds_shutdown(struct platform_device *pdev)
return;
}
#if defined(CONFIG_OF)
static const struct of_device_id rk31xx_lvds_dt_ids[] = {
{.compatible = "rockchip,rk31xx-lvds",},
{}
};
#endif
static struct platform_driver rk31xx_lvds_driver = {
.driver = {

17
drivers/video/rockchip/transmitter/rk31xx_lvds.h
View File

@@ -17,6 +17,13 @@
#define v_MIPIPHY_LANE0_EN(x) (BITS_MASK(x, 1, 8) | BITS_EN(1, 8))
#define v_MIPIDPI_FORCEX_EN(x) (BITS_MASK(x, 1, 9) | BITS_EN(1, 9))
/* RK3368_GRF_SOC_CON7 */
#define v_RK3368_LVDS_OUTPUT_FORMAT(x) (BITS_MASK(x, 3, 13) | BITS_EN(3, 13))
#define v_RK3368_LVDS_MSBSEL(x) (BITS_MASK(x, 1, 11) | BITS_EN(1, 11))
#define v_RK3368_LVDSMODE_EN(x) (BITS_MASK(x, 1, 12) | BITS_EN(1, 12))
#define v_RK3368_MIPIPHY_TTL_EN(x) (BITS_MASK(x, 1, 15) | BITS_EN(1, 15))
#define v_RK3368_MIPIPHY_LANE0_EN(x) (BITS_MASK(x, 1, 5) | BITS_EN(1, 5))
#define v_RK3368_MIPIDPI_FORCEX_EN(x) (BITS_MASK(x, 1, 6) | BITS_EN(1, 6))
enum {
LVDS_DATA_FROM_LCDC = 0,
LVDS_DATA_FORM_EBC,
@@ -98,8 +105,18 @@ enum {
#define v_LANE1_EN(x) BITS_MASK(x, 1, 6)
#define v_LANE0_EN(x) BITS_MASK(x, 1, 7)
enum {
LVDS_SOC_RK312X,
LVDS_SOC_RK3368
};
struct rk_lvds_drvdata {
u8 soc_type;
u32 reversed;
};
struct rk_lvds_device {
struct rk_lvds_drvdata *data;
struct device *dev;
void __iomem *regbase;
void __iomem *ctrl_reg;