Skip to content

L
linux
Commit 68cd004e authored by Andrzej Hajda's avatar Andrzej Hajda Committed by Inki Dae
Browse files
Options

drm/exynos/hdmi: add Exynos5433 support 

HDMI on Exynos5433 differs from previous versions:
- different HDMI-PHY settings,
- different clocks,
- SYSREG registers for enabling reference clock,
- MODE_SET register in HDMI-PHY.
It is distinguished from other variants by different compatible string.
Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 2f1cad0d
Hide whitespace changes
Inline Side-by-side
Showing with 149 additions and 2 deletions
drivers/gpu/drm/exynos/exynos_hdmi.c
View file @ 68cd004e
......@@ -112,6 +112,7 @@ struct string_array_spec {
struct hdmi_driver_data {
unsigned int type;
unsigned int is_apb_phy:1;
unsigned int has_sysreg:1;
struct hdmiphy_configs phy_confs;
struct string_array_spec clk_gates;
/*
......@@ -140,6 +141,7 @@ struct hdmi_context {
struct gpio_desc *hpd_gpio;
int irq;
struct regmap *pmureg;
struct regmap *sysreg;
struct clk **clk_gates;
struct clk **clk_muxes;
struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
......@@ -516,6 +518,90 @@ static const struct hdmiphy_config hdmiphy_5420_configs[] = {
},
};
static const struct hdmiphy_config hdmiphy_5433_configs[] = {
{
.pixel_clock = 27000000,
.conf = {
0x01, 0x51, 0x22, 0x51, 0x08, 0xfc, 0x88, 0x46,
0x72, 0x50, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 27027000,
.conf = {
0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
0x71, 0x50, 0x24, 0x14, 0x24, 0x0f, 0x7c, 0xa5,
0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
0x28, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 40000000,
.conf = {
0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 50000000,
.conf = {
0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 65000000,
.conf = {
0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 74176000,
.conf = {
0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 74250000,
.conf = {
0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 108000000,
.conf = {
0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
},
},
{
.pixel_clock = 148500000,
.conf = {
0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
},
},
};
static const char * const hdmi_clk_gates4[] = {
"hdmi", "sclk_hdmi"
};
......@@ -524,6 +610,15 @@ static const char * const hdmi_clk_muxes4[] = {
"sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
};
static const char * const hdmi_clk_gates5433[] = {
"hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
};
static const char * const hdmi_clk_muxes5433[] = {
"oscclk", "tmds_clko", "tmds_clko_user",
"oscclk", "pixel_clko", "pixel_clko_user"
};
static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
.type = HDMI_TYPE13,
.phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
......@@ -546,6 +641,15 @@ static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
.clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
};
static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
.type = HDMI_TYPE14,
.is_apb_phy = 1,
.has_sysreg = 1,
.phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs),
.clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433),
.clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
};
static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
{
if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
......@@ -1539,6 +1643,8 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
if (hdata->drv_data == &exynos5433_hdmi_driver_data)
hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
}
static void hdmi_mode_apply(struct hdmi_context *hdata)
......@@ -1563,6 +1669,14 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
usleep_range(10000, 12000);
}
static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
{
u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
if (hdata->drv_data == &exynos5433_hdmi_driver_data)
writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
}
static void hdmiphy_conf_apply(struct hdmi_context *hdata)
{
int ret;
......@@ -1574,12 +1688,14 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
return;
}
hdmiphy_enable_mode_set(hdata, true);
ret = hdmiphy_reg_write_buf(hdata, 0,
hdata->drv_data->phy_confs.data[i].conf, 32);
if (ret) {
DRM_ERROR("failed to configure hdmiphy\n");
return;
}
hdmiphy_enable_mode_set(hdata, false);
usleep_range(10000, 12000);
}
......@@ -1612,6 +1728,15 @@ static void hdmi_mode_set(struct drm_encoder *encoder,
hdata->cea_video_id = drm_match_cea_mode(mode);
}
static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
{
if (!hdata->sysreg)
return;
regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
}
static void hdmi_enable(struct drm_encoder *encoder)
{
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
......@@ -1627,6 +1752,8 @@ static void hdmi_enable(struct drm_encoder *encoder)
regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
PMU_HDMI_PHY_ENABLE_BIT, 1);
hdmi_set_refclk(hdata, true);
hdmi_conf_apply(hdata);
hdata->powered = true;
......@@ -1659,6 +1786,8 @@ static void hdmi_disable(struct drm_encoder *encoder)
cancel_delayed_work(&hdata->hotplug_work);
hdmi_set_refclk(hdata, false);
regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
PMU_HDMI_PHY_ENABLE_BIT, 0);
......@@ -1813,6 +1942,9 @@ static struct of_device_id hdmi_match_types[] = {
}, {
.compatible = "samsung,exynos5420-hdmi",
.data = &exynos5420_hdmi_driver_data,
}, {
.compatible = "samsung,exynos5433-hdmi",
.data = &exynos5433_hdmi_driver_data,
}, {
/* end node */
}
......@@ -1980,6 +2112,16 @@ static int hdmi_probe(struct platform_device *pdev)
goto err_hdmiphy;
}
if (hdata->drv_data->has_sysreg) {
hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
"samsung,sysreg-phandle");
if (IS_ERR(hdata->sysreg)) {
DRM_ERROR("sysreg regmap lookup failed.\n");
ret = -EPROBE_DEFER;
goto err_hdmiphy;
}
}
pm_runtime_enable(dev);
ret = component_add(&pdev->dev, &hdmi_component_ops);
......
drivers/gpu/drm/exynos/regs-hdmi.h
View file @ 68cd004e
......@@ -586,10 +586,12 @@
#define HDMI_TG_VACT_ST4_L HDMI_TG_BASE(0x0070)
#define HDMI_TG_VACT_ST4_H HDMI_TG_BASE(0x0074)
#define HDMI_TG_3D HDMI_TG_BASE(0x00F0)
#define HDMI_TG_DECON_EN HDMI_TG_BASE(0x01e0)
/* HDMI PHY Registers Offsets*/
#define HDMIPHY_POWER (0x74 >> 2)
#define HDMIPHY_MODE_SET_DONE (0x7c >> 2)
#define HDMIPHY_POWER 0x74
#define HDMIPHY_MODE_SET_DONE 0x7c
#define HDMIPHY5433_MODE_SET_DONE 0x84
/* HDMI PHY Values */
#define HDMI_PHY_POWER_ON 0x80
......@@ -603,4 +605,7 @@
#define PMU_HDMI_PHY_CONTROL 0x700
#define PMU_HDMI_PHY_ENABLE_BIT BIT(0)
#define EXYNOS5433_SYSREG_DISP_HDMI_PHY 0x1008
#define SYSREG_HDMI_REFCLK_INT_CLK 1
#endif /* SAMSUNG_REGS_HDMI_H */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7