[PATCH v1 4/6] drm/rockchip: dw_hdmi: add RK3399 HDMI support
From: Yakir Yang
Date: Mon Jul 11 2016 - 07:06:00 EST
RK3399 and RK3288 shared the same HDMI IP controller, only some light
difference with GRF configure.
Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/display/bridge/dw_hdmi.txt | 1 +
.../bindings/display/rockchip/dw_hdmi-rockchip.txt | 3 +-
drivers/gpu/drm/bridge/dw-hdmi.c | 2 +-
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 45 ++++++++++++++++++----
include/drm/bridge/dw_hdmi.h | 6 +++
5 files changed, 48 insertions(+), 9 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
index dc1452f..f50d4d5 100644
--- a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
+++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
@@ -6,6 +6,7 @@ Required properties:
* "fsl,imx6q-hdmi"
* "fsl,imx6dl-hdmi"
* "rockchip,rk3288-dw-hdmi"
+ * "rockchip,rk3399-dw-hdmi"
- reg: Physical base address and length of the controller's registers.
- interrupts: The HDMI interrupt number
- clocks, clock-names : must have the phandles to the HDMI iahb and isfr clocks,
diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
index 668091f..4e573d2 100644
--- a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
@@ -2,7 +2,8 @@ Rockchip specific extensions to the Synopsys Designware HDMI
================================
Required properties:
-- compatible: "rockchip,rk3288-dw-hdmi";
+- compatible: "rockchip,rk3288-dw-hdmi",
+ "rockchip,rk3399-dw-hdmi";
- reg: Physical base address and length of the controller's registers.
- clocks: phandle to hdmi iahb and isfr clocks.
- clock-names: should be "iahb" "isfr"
diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index 70b1f7d..29f855a 100644
--- a/drivers/gpu/drm/bridge/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -833,7 +833,7 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep,
dw_hdmi_phy_gen2_txpwron(hdmi, 1);
dw_hdmi_phy_gen2_pddq(hdmi, 0);
- if (hdmi->dev_type == RK3288_HDMI)
+ if (is_rockchip(hdmi->dev_type))
dw_hdmi_phy_enable_spare(hdmi, 1);
/*Wait for PHY PLL lock */
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 8cb9ed2..329099b 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -21,13 +21,18 @@
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
-#define GRF_SOC_CON6 0x025c
-#define HDMI_SEL_VOP_LIT (1 << 4)
+#define RK3288_GRF_SOC_CON6 0x025C
+#define RK3288_HDMI_LCDC_SEL BIT(4)
+#define RK3399_GRF_SOC_CON20 0x6250
+#define RK3399_HDMI_LCDC_SEL BIT(6)
+
+#define HIWORD_UPDATE(val, mask) (val | (mask) << 16)
struct rockchip_hdmi {
struct device *dev;
struct regmap *regmap;
struct drm_encoder encoder;
+ enum dw_hdmi_devtype dev_type;
};
#define to_rockchip_hdmi(x) container_of(x, struct rockchip_hdmi, x)
@@ -194,16 +199,30 @@ static void dw_hdmi_rockchip_encoder_mode_set(struct drm_encoder *encoder,
static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
{
struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);
+ u32 lcdsel_grf_reg, lcdsel_mask;
u32 val;
int mux;
+ switch (hdmi->dev_type) {
+ case RK3288_HDMI:
+ lcdsel_grf_reg = RK3288_GRF_SOC_CON6;
+ lcdsel_mask = RK3288_HDMI_LCDC_SEL;
+ break;
+ case RK3399_HDMI:
+ lcdsel_grf_reg = RK3399_GRF_SOC_CON20;
+ lcdsel_mask = RK3399_HDMI_LCDC_SEL;
+ break;
+ default:
+ return;
+ };
+
mux = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder);
if (mux)
- val = HDMI_SEL_VOP_LIT | (HDMI_SEL_VOP_LIT << 16);
+ val = HIWORD_UPDATE(lcdsel_mask, lcdsel_mask);
else
- val = HDMI_SEL_VOP_LIT << 16;
+ val = HIWORD_UPDATE(0, lcdsel_mask);
- regmap_write(hdmi->regmap, GRF_SOC_CON6, val);
+ regmap_write(hdmi->regmap, lcdsel_grf_reg, val);
dev_dbg(hdmi->dev, "vop %s output to hdmi\n",
(mux) ? "LIT" : "BIG");
}
@@ -229,7 +248,7 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun
.atomic_check = dw_hdmi_rockchip_encoder_atomic_check,
};
-static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = {
+static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = {
.mode_valid = dw_hdmi_rockchip_mode_valid,
.mpll_cfg = rockchip_mpll_cfg,
.cur_ctr = rockchip_cur_ctr,
@@ -237,9 +256,20 @@ static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = {
.dev_type = RK3288_HDMI,
};
+static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
+ .mode_valid = dw_hdmi_rockchip_mode_valid,
+ .mpll_cfg = rockchip_mpll_cfg,
+ .cur_ctr = rockchip_cur_ctr,
+ .phy_config = rockchip_phy_config,
+ .dev_type = RK3399_HDMI,
+};
+
static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = {
{ .compatible = "rockchip,rk3288-dw-hdmi",
- .data = &rockchip_hdmi_drv_data
+ .data = &rk3288_hdmi_drv_data
+ },
+ { .compatible = "rockchip,rk3399-dw-hdmi",
+ .data = &rk3399_hdmi_drv_data
},
{},
};
@@ -268,6 +298,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
match = of_match_node(dw_hdmi_rockchip_dt_ids, pdev->dev.of_node);
plat_data = match->data;
hdmi->dev = &pdev->dev;
+ hdmi->dev_type = plat_data->dev_type;
encoder = &hdmi->encoder;
irq = platform_get_irq(pdev, 0);
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index bae79f3..26c06d5 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -25,6 +25,7 @@ enum dw_hdmi_devtype {
IMX6Q_HDMI,
IMX6DL_HDMI,
RK3288_HDMI,
+ RK3399_HDMI,
};
struct dw_hdmi_mpll_config {
@@ -56,6 +57,11 @@ struct dw_hdmi_plat_data {
struct drm_display_mode *mode);
};
+static inline bool is_rockchip(enum dw_hdmi_devtype dev_type)
+{
+ return dev_type == RK3288_HDMI || dev_type == RK3399_HDMI;
+}
+
void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
int dw_hdmi_bind(struct device *dev, struct device *master,
void *data, struct drm_encoder *encoder,
--
1.9.1