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path: root/drivers/gpu/drm/exynos/exynos_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c131
1 files changed, 56 insertions, 75 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index fd1426dca882..62ef5971ac3c 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -83,6 +83,7 @@ struct hdmi_resources {
struct clk *sclk_pixel;
struct clk *sclk_hdmiphy;
struct clk *hdmiphy;
+ struct clk *mout_hdmi;
struct regulator_bulk_data *regul_bulk;
int regul_count;
};
@@ -689,8 +690,6 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
u32 mod;
u32 vic;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
mod = hdmi_reg_read(hdata, HDMI_MODE_SEL);
if (hdata->dvi_mode) {
hdmi_reg_writeb(hdata, HDMI_VSI_CON,
@@ -755,8 +754,6 @@ static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector)
struct edid *raw_edid;
struct hdmi_context *hdata = ctx;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
if (!hdata->ddc_port)
return ERR_PTR(-ENODEV);
@@ -777,8 +774,6 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
const struct hdmiphy_config *confs;
int count, i;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
if (hdata->type == HDMI_TYPE13) {
confs = hdmiphy_v13_configs;
count = ARRAY_SIZE(hdmiphy_v13_configs);
@@ -796,18 +791,17 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
return -EINVAL;
}
-static int hdmi_check_timing(void *ctx, struct fb_videomode *timing)
+static int hdmi_check_mode(void *ctx, struct drm_display_mode *mode)
{
struct hdmi_context *hdata = ctx;
int ret;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
+ DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
+ mode->hdisplay, mode->vdisplay, mode->vrefresh,
+ (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
+ false, mode->clock * 1000);
- DRM_DEBUG_KMS("[%d]x[%d] [%d]Hz [%x]\n", timing->xres,
- timing->yres, timing->refresh,
- timing->vmode);
-
- ret = hdmi_find_phy_conf(hdata, timing->pixclock);
+ ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
if (ret < 0)
return ret;
return 0;
@@ -1042,7 +1036,7 @@ static void hdmi_conf_init(struct hdmi_context *hdata)
}
}
-static void hdmi_v13_timing_apply(struct hdmi_context *hdata)
+static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
{
const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg;
const struct hdmi_v13_core_regs *core =
@@ -1118,9 +1112,9 @@ static void hdmi_v13_timing_apply(struct hdmi_context *hdata)
hdmi_regs_dump(hdata, "timing apply");
}
- clk_disable(hdata->res.sclk_hdmi);
- clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy);
- clk_enable(hdata->res.sclk_hdmi);
+ clk_disable_unprepare(hdata->res.sclk_hdmi);
+ clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
+ clk_prepare_enable(hdata->res.sclk_hdmi);
/* enable HDMI and timing generator */
hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN);
@@ -1131,7 +1125,7 @@ static void hdmi_v13_timing_apply(struct hdmi_context *hdata)
hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN);
}
-static void hdmi_v14_timing_apply(struct hdmi_context *hdata)
+static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
{
const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg;
const struct hdmi_v14_core_regs *core =
@@ -1285,9 +1279,9 @@ static void hdmi_v14_timing_apply(struct hdmi_context *hdata)
hdmi_regs_dump(hdata, "timing apply");
}
- clk_disable(hdata->res.sclk_hdmi);
- clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy);
- clk_enable(hdata->res.sclk_hdmi);
+ clk_disable_unprepare(hdata->res.sclk_hdmi);
+ clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
+ clk_prepare_enable(hdata->res.sclk_hdmi);
/* enable HDMI and timing generator */
hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN);
@@ -1298,12 +1292,12 @@ static void hdmi_v14_timing_apply(struct hdmi_context *hdata)
hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN);
}
-static void hdmi_timing_apply(struct hdmi_context *hdata)
+static void hdmi_mode_apply(struct hdmi_context *hdata)
{
if (hdata->type == HDMI_TYPE13)
- hdmi_v13_timing_apply(hdata);
+ hdmi_v13_mode_apply(hdata);
else
- hdmi_v14_timing_apply(hdata);
+ hdmi_v14_mode_apply(hdata);
}
static void hdmiphy_conf_reset(struct hdmi_context *hdata)
@@ -1311,9 +1305,9 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
u8 buffer[2];
u32 reg;
- clk_disable(hdata->res.sclk_hdmi);
- clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_pixel);
- clk_enable(hdata->res.sclk_hdmi);
+ clk_disable_unprepare(hdata->res.sclk_hdmi);
+ clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel);
+ clk_prepare_enable(hdata->res.sclk_hdmi);
/* operation mode */
buffer[0] = 0x1f;
@@ -1336,8 +1330,6 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
static void hdmiphy_poweron(struct hdmi_context *hdata)
{
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
if (hdata->type == HDMI_TYPE14)
hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0,
HDMI_PHY_POWER_OFF_EN);
@@ -1345,8 +1337,6 @@ static void hdmiphy_poweron(struct hdmi_context *hdata)
static void hdmiphy_poweroff(struct hdmi_context *hdata)
{
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
if (hdata->type == HDMI_TYPE14)
hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0,
HDMI_PHY_POWER_OFF_EN);
@@ -1410,8 +1400,6 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
static void hdmi_conf_apply(struct hdmi_context *hdata)
{
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
hdmiphy_conf_reset(hdata);
hdmiphy_conf_apply(hdata);
@@ -1423,7 +1411,7 @@ static void hdmi_conf_apply(struct hdmi_context *hdata)
hdmi_audio_init(hdata);
/* setting core registers */
- hdmi_timing_apply(hdata);
+ hdmi_mode_apply(hdata);
hdmi_audio_control(hdata, true);
hdmi_regs_dump(hdata, "start");
@@ -1569,8 +1557,7 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
(m->vsync_start - m->vdisplay) / 2);
hdmi_set_reg(core->v2_blank, 2, m->vtotal / 2);
hdmi_set_reg(core->v1_blank, 2, (m->vtotal - m->vdisplay) / 2);
- hdmi_set_reg(core->v_blank_f0, 2, (m->vtotal +
- ((m->vsync_end - m->vsync_start) * 4) + 5) / 2);
+ hdmi_set_reg(core->v_blank_f0, 2, m->vtotal - m->vdisplay / 2);
hdmi_set_reg(core->v_blank_f1, 2, m->vtotal);
hdmi_set_reg(core->v_sync_line_aft_2, 2, (m->vtotal / 2) + 7);
hdmi_set_reg(core->v_sync_line_aft_1, 2, (m->vtotal / 2) + 2);
@@ -1580,7 +1567,10 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
(m->htotal / 2) + (m->hsync_start - m->hdisplay));
hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2);
hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2);
- hdmi_set_reg(tg->vact_st2, 2, 0x249);/* Reset value + 1*/
+ hdmi_set_reg(tg->vact_st2, 2, m->vtotal - m->vdisplay / 2);
+ hdmi_set_reg(tg->vsync2, 2, (m->vtotal / 2) + 1);
+ hdmi_set_reg(tg->vsync_bot_hdmi, 2, (m->vtotal / 2) + 1);
+ hdmi_set_reg(tg->field_bot_hdmi, 2, (m->vtotal / 2) + 1);
hdmi_set_reg(tg->vact_st3, 2, 0x0);
hdmi_set_reg(tg->vact_st4, 2, 0x0);
} else {
@@ -1602,6 +1592,9 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */
hdmi_set_reg(tg->vact_st3, 2, 0x47b); /* Reset value */
hdmi_set_reg(tg->vact_st4, 2, 0x6ae); /* Reset value */
+ hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
+ hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
+ hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
}
/* Following values & calculations are same irrespective of mode type */
@@ -1633,22 +1626,19 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
hdmi_set_reg(tg->hact_sz, 2, m->hdisplay);
hdmi_set_reg(tg->v_fsz, 2, m->vtotal);
hdmi_set_reg(tg->vsync, 2, 0x1);
- hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */
- hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */
- hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->tg_3d, 1, 0x0);
}
-static void hdmi_mode_set(void *ctx, void *mode)
+static void hdmi_mode_set(void *ctx, struct drm_display_mode *mode)
{
struct hdmi_context *hdata = ctx;
struct drm_display_mode *m = mode;
- DRM_DEBUG_KMS("[%s]: xres=%d, yres=%d, refresh=%d, intl=%s\n",
- __func__, m->hdisplay, m->vdisplay,
+ DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
+ m->hdisplay, m->vdisplay,
m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
"INTERLACED" : "PROGERESSIVE");
@@ -1661,8 +1651,6 @@ static void hdmi_mode_set(void *ctx, void *mode)
static void hdmi_get_max_resol(void *ctx, unsigned int *width,
unsigned int *height)
{
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
*width = MAX_WIDTH;
*height = MAX_HEIGHT;
}
@@ -1671,8 +1659,6 @@ static void hdmi_commit(void *ctx)
{
struct hdmi_context *hdata = ctx;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
mutex_lock(&hdata->hdmi_mutex);
if (!hdata->powered) {
mutex_unlock(&hdata->hdmi_mutex);
@@ -1687,8 +1673,6 @@ static void hdmi_poweron(struct hdmi_context *hdata)
{
struct hdmi_resources *res = &hdata->res;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
mutex_lock(&hdata->hdmi_mutex);
if (hdata->powered) {
mutex_unlock(&hdata->hdmi_mutex);
@@ -1699,10 +1683,12 @@ static void hdmi_poweron(struct hdmi_context *hdata)
mutex_unlock(&hdata->hdmi_mutex);
- regulator_bulk_enable(res->regul_count, res->regul_bulk);
- clk_enable(res->hdmiphy);
- clk_enable(res->hdmi);
- clk_enable(res->sclk_hdmi);
+ if (regulator_bulk_enable(res->regul_count, res->regul_bulk))
+ DRM_DEBUG_KMS("failed to enable regulator bulk\n");
+
+ clk_prepare_enable(res->hdmiphy);
+ clk_prepare_enable(res->hdmi);
+ clk_prepare_enable(res->sclk_hdmi);
hdmiphy_poweron(hdata);
}
@@ -1711,8 +1697,6 @@ static void hdmi_poweroff(struct hdmi_context *hdata)
{
struct hdmi_resources *res = &hdata->res;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
mutex_lock(&hdata->hdmi_mutex);
if (!hdata->powered)
goto out;
@@ -1725,9 +1709,9 @@ static void hdmi_poweroff(struct hdmi_context *hdata)
hdmiphy_conf_reset(hdata);
hdmiphy_poweroff(hdata);
- clk_disable(res->sclk_hdmi);
- clk_disable(res->hdmi);
- clk_disable(res->hdmiphy);
+ clk_disable_unprepare(res->sclk_hdmi);
+ clk_disable_unprepare(res->hdmi);
+ clk_disable_unprepare(res->hdmiphy);
regulator_bulk_disable(res->regul_count, res->regul_bulk);
mutex_lock(&hdata->hdmi_mutex);
@@ -1742,7 +1726,7 @@ static void hdmi_dpms(void *ctx, int mode)
{
struct hdmi_context *hdata = ctx;
- DRM_DEBUG_KMS("[%d] %s mode %d\n", __LINE__, __func__, mode);
+ DRM_DEBUG_KMS("mode %d\n", mode);
switch (mode) {
case DRM_MODE_DPMS_ON:
@@ -1765,7 +1749,7 @@ static struct exynos_hdmi_ops hdmi_ops = {
/* display */
.is_connected = hdmi_is_connected,
.get_edid = hdmi_get_edid,
- .check_timing = hdmi_check_timing,
+ .check_mode = hdmi_check_mode,
/* manager */
.mode_set = hdmi_mode_set,
@@ -1831,8 +1815,13 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
DRM_ERROR("failed to get clock 'hdmiphy'\n");
goto fail;
}
+ res->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
+ if (IS_ERR(res->mout_hdmi)) {
+ DRM_ERROR("failed to get clock 'mout_hdmi'\n");
+ goto fail;
+ }
- clk_set_parent(res->sclk_hdmi, res->sclk_pixel);
+ clk_set_parent(res->mout_hdmi, res->sclk_pixel);
res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) *
sizeof(res->regul_bulk[0]), GFP_KERNEL);
@@ -1877,7 +1866,6 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
{
struct device_node *np = dev->of_node;
struct s5p_hdmi_platform_data *pd;
- enum of_gpio_flags flags;
u32 value;
pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
@@ -1891,7 +1879,7 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
goto err_data;
}
- pd->hpd_gpio = of_get_named_gpio_flags(np, "hpd-gpio", 0, &flags);
+ pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
return pd;
@@ -1930,6 +1918,9 @@ static struct of_device_id hdmi_match_types[] = {
.compatible = "samsung,exynos5-hdmi",
.data = (void *)HDMI_TYPE14,
}, {
+ .compatible = "samsung,exynos4212-hdmi",
+ .data = (void *)HDMI_TYPE14,
+ }, {
/* end node */
}
};
@@ -1944,8 +1935,6 @@ static int hdmi_probe(struct platform_device *pdev)
struct resource *res;
int ret;
- DRM_DEBUG_KMS("[%d]\n", __LINE__);
-
if (dev->of_node) {
pdata = drm_hdmi_dt_parse_pdata(dev);
if (IS_ERR(pdata)) {
@@ -2071,8 +2060,6 @@ static int hdmi_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
pm_runtime_disable(dev);
/* hdmiphy i2c driver */
@@ -2089,8 +2076,6 @@ static int hdmi_suspend(struct device *dev)
struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
struct hdmi_context *hdata = ctx->ctx;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
disable_irq(hdata->irq);
hdata->hpd = false;
@@ -2098,7 +2083,7 @@ static int hdmi_suspend(struct device *dev)
drm_helper_hpd_irq_event(ctx->drm_dev);
if (pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("%s : Already suspended\n", __func__);
+ DRM_DEBUG_KMS("Already suspended\n");
return 0;
}
@@ -2112,14 +2097,12 @@ static int hdmi_resume(struct device *dev)
struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
struct hdmi_context *hdata = ctx->ctx;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
enable_irq(hdata->irq);
if (!pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("%s : Already resumed\n", __func__);
+ DRM_DEBUG_KMS("Already resumed\n");
return 0;
}
@@ -2134,7 +2117,6 @@ static int hdmi_runtime_suspend(struct device *dev)
{
struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
struct hdmi_context *hdata = ctx->ctx;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
hdmi_poweroff(hdata);
@@ -2145,7 +2127,6 @@ static int hdmi_runtime_resume(struct device *dev)
{
struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
struct hdmi_context *hdata = ctx->ctx;
- DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
hdmi_poweron(hdata);