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path: root/drivers/video/omap2/dss/hdmi.c
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Diffstat (limited to 'drivers/video/omap2/dss/hdmi.c')
-rw-r--r--drivers/video/omap2/dss/hdmi.c107
1 files changed, 55 insertions, 52 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index a109934c0478..e1c0992b522b 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -70,7 +70,7 @@ static struct {
int ls_oe_gpio;
int hpd_gpio;
- struct omap_dss_output output;
+ struct omap_dss_device output;
} hdmi;
/*
@@ -328,6 +328,29 @@ static void hdmi_runtime_put(void)
WARN_ON(r < 0 && r != -ENOSYS);
}
+static int hdmi_init_regulator(void)
+{
+ struct regulator *reg;
+
+ if (hdmi.vdda_hdmi_dac_reg != NULL)
+ return 0;
+
+ reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac");
+
+ /* DT HACK: try VDAC to make omapdss work for o4 sdp/panda */
+ if (IS_ERR(reg))
+ reg = devm_regulator_get(&hdmi.pdev->dev, "VDAC");
+
+ if (IS_ERR(reg)) {
+ DSSERR("can't get VDDA_HDMI_DAC regulator\n");
+ return PTR_ERR(reg);
+ }
+
+ hdmi.vdda_hdmi_dac_reg = reg;
+
+ return 0;
+}
+
static int hdmi_init_display(struct omap_dss_device *dssdev)
{
int r;
@@ -342,22 +365,9 @@ static int hdmi_init_display(struct omap_dss_device *dssdev)
dss_init_hdmi_ip_ops(&hdmi.ip_data, omapdss_get_version());
- if (hdmi.vdda_hdmi_dac_reg == NULL) {
- struct regulator *reg;
-
- reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac");
-
- /* DT HACK: try VDAC to make omapdss work for o4 sdp/panda */
- if (IS_ERR(reg))
- reg = devm_regulator_get(&hdmi.pdev->dev, "VDAC");
-
- if (IS_ERR(reg)) {
- DSSERR("can't get VDDA_HDMI_DAC regulator\n");
- return PTR_ERR(reg);
- }
-
- hdmi.vdda_hdmi_dac_reg = reg;
- }
+ r = hdmi_init_regulator();
+ if (r)
+ return r;
r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
if (r)
@@ -455,12 +465,6 @@ end: return cm;
}
-unsigned long hdmi_get_pixel_clock(void)
-{
- /* HDMI Pixel Clock in Mhz */
- return hdmi.ip_data.cfg.timings.pixel_clock * 1000;
-}
-
static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
struct hdmi_pll_info *pi)
{
@@ -550,7 +554,7 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev)
{
int r;
struct omap_video_timings *p;
- struct omap_overlay_manager *mgr = dssdev->output->manager;
+ struct omap_overlay_manager *mgr = hdmi.output.manager;
unsigned long phy;
r = hdmi_power_on_core(dssdev);
@@ -613,7 +617,7 @@ err_pll_enable:
static void hdmi_power_off_full(struct omap_dss_device *dssdev)
{
- struct omap_overlay_manager *mgr = dssdev->output->manager;
+ struct omap_overlay_manager *mgr = hdmi.output.manager;
dss_mgr_disable(mgr);
@@ -653,6 +657,8 @@ void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
if (t != NULL)
hdmi.ip_data.cfg = *t;
+ dispc_set_tv_pclk(t->timings.pixel_clock * 1000);
+
mutex_unlock(&hdmi.lock);
}
@@ -700,7 +706,7 @@ bool omapdss_hdmi_detect(void)
r = hdmi_runtime_get();
BUG_ON(r);
- r = hdmi.ip_data.ops->detect(&hdmi.ip_data);
+ r = gpio_get_value(hdmi.hpd_gpio);
hdmi_runtime_put();
mutex_unlock(&hdmi.lock);
@@ -710,7 +716,7 @@ bool omapdss_hdmi_detect(void)
int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
{
- struct omap_dss_output *out = dssdev->output;
+ struct omap_dss_device *out = &hdmi.output;
int r = 0;
DSSDBG("ENTER hdmi_display_enable\n");
@@ -723,25 +729,15 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
goto err0;
}
- hdmi.ip_data.hpd_gpio = hdmi.hpd_gpio;
-
- r = omap_dss_start_device(dssdev);
- if (r) {
- DSSERR("failed to start device\n");
- goto err0;
- }
-
r = hdmi_power_on_full(dssdev);
if (r) {
DSSERR("failed to power on device\n");
- goto err1;
+ goto err0;
}
mutex_unlock(&hdmi.lock);
return 0;
-err1:
- omap_dss_stop_device(dssdev);
err0:
mutex_unlock(&hdmi.lock);
return r;
@@ -755,8 +751,6 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
hdmi_power_off_full(dssdev);
- omap_dss_stop_device(dssdev);
-
mutex_unlock(&hdmi.lock);
}
@@ -768,8 +762,6 @@ int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev)
mutex_lock(&hdmi.lock);
- hdmi.ip_data.hpd_gpio = hdmi.hpd_gpio;
-
r = hdmi_power_on_core(dssdev);
if (r) {
DSSERR("failed to power on device\n");
@@ -1035,20 +1027,21 @@ static int hdmi_probe_pdata(struct platform_device *pdev)
static void hdmi_init_output(struct platform_device *pdev)
{
- struct omap_dss_output *out = &hdmi.output;
+ struct omap_dss_device *out = &hdmi.output;
- out->pdev = pdev;
+ out->dev = &pdev->dev;
out->id = OMAP_DSS_OUTPUT_HDMI;
- out->type = OMAP_DISPLAY_TYPE_HDMI;
+ out->output_type = OMAP_DISPLAY_TYPE_HDMI;
out->name = "hdmi.0";
out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
+ out->owner = THIS_MODULE;
dss_register_output(out);
}
static void __exit hdmi_uninit_output(struct platform_device *pdev)
{
- struct omap_dss_output *out = &hdmi.output;
+ struct omap_dss_device *out = &hdmi.output;
dss_unregister_output(out);
}
@@ -1071,6 +1064,12 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
if (IS_ERR(hdmi.ip_data.base_wp))
return PTR_ERR(hdmi.ip_data.base_wp);
+ hdmi.ip_data.irq = platform_get_irq(pdev, 0);
+ if (hdmi.ip_data.irq < 0) {
+ DSSERR("platform_get_irq failed\n");
+ return -ENODEV;
+ }
+
r = hdmi_get_clocks(pdev);
if (r) {
DSSERR("can't get clocks\n");
@@ -1094,15 +1093,19 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
- r = hdmi_probe_pdata(pdev);
- if (r) {
- hdmi_panel_exit();
- hdmi_uninit_output(pdev);
- pm_runtime_disable(&pdev->dev);
- return r;
+ if (pdev->dev.platform_data) {
+ r = hdmi_probe_pdata(pdev);
+ if (r)
+ goto err_probe;
}
return 0;
+
+err_probe:
+ hdmi_panel_exit();
+ hdmi_uninit_output(pdev);
+ pm_runtime_disable(&pdev->dev);
+ return r;
}
static int __exit hdmi_remove_child(struct device *dev, void *data)