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path: root/drivers/gpu/drm/omapdrm/dss/hdmi4.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi4.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/hdmi4.c351
1 files changed, 170 insertions, 181 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index 5879f45f6fc9..cf6230eac31a 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -108,26 +108,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
-static int hdmi_init_regulator(struct omap_hdmi *hdmi)
-{
- struct regulator *reg;
-
- if (hdmi->vdda_reg != NULL)
- return 0;
-
- reg = devm_regulator_get(&hdmi->pdev->dev, "vdda");
-
- if (IS_ERR(reg)) {
- if (PTR_ERR(reg) != -EPROBE_DEFER)
- DSSERR("can't get VDDA regulator\n");
- return PTR_ERR(reg);
- }
-
- hdmi->vdda_reg = reg;
-
- return 0;
-}
-
static int hdmi_power_on_core(struct omap_hdmi *hdmi)
{
int r;
@@ -174,7 +154,7 @@ static void hdmi_power_off_core(struct omap_hdmi *hdmi)
static int hdmi_power_on_full(struct omap_hdmi *hdmi)
{
int r;
- struct videomode *vm;
+ const struct videomode *vm;
struct hdmi_wp_data *wp = &hdmi->wp;
struct dss_pll_clock_info hdmi_cinfo = { 0 };
unsigned int pc;
@@ -227,9 +207,6 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi)
hdmi4_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg);
- /* tv size */
- dss_mgr_set_timings(&hdmi->output, vm);
-
r = dss_mgr_enable(&hdmi->output);
if (r)
goto err_mgr_enable;
@@ -271,19 +248,8 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi)
hdmi_power_off_core(hdmi);
}
-static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
-
- if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm))
- return -EINVAL;
-
- return 0;
-}
-
-static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
- struct videomode *vm)
+static void hdmi_display_set_timings(struct omap_dss_device *dssdev,
+ const struct videomode *vm)
{
struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
@@ -296,14 +262,6 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
mutex_unlock(&hdmi->lock);
}
-static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
-
- *vm = hdmi->cfg.vm;
-}
-
static int hdmi_dump_regs(struct seq_file *s, void *p)
{
struct omap_hdmi *hdmi = s->private;
@@ -456,44 +414,25 @@ void hdmi4_core_disable(struct hdmi_core_data *core)
mutex_unlock(&hdmi->lock);
}
-static int hdmi_connect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
+static int hdmi_connect(struct omap_dss_device *src,
+ struct omap_dss_device *dst)
{
- struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
int r;
- r = hdmi_init_regulator(hdmi);
+ r = omapdss_device_connect(dst->dss, dst, dst->next);
if (r)
return r;
- r = dss_mgr_connect(&hdmi->output, dssdev);
- if (r)
- return r;
-
- r = omapdss_output_set_device(dssdev, dst);
- if (r) {
- DSSERR("failed to connect output to new device: %s\n",
- dst->name);
- dss_mgr_disconnect(&hdmi->output, dssdev);
- return r;
- }
-
+ dst->dispc_channel_connected = true;
return 0;
}
-static void hdmi_disconnect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
+static void hdmi_disconnect(struct omap_dss_device *src,
+ struct omap_dss_device *dst)
{
- struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
-
- WARN_ON(dst != dssdev->dst);
+ dst->dispc_channel_connected = false;
- if (dst != dssdev->dst)
- return;
-
- omapdss_output_unset_device(dssdev);
-
- dss_mgr_disconnect(&hdmi->output, dssdev);
+ omapdss_device_disconnect(dst, dst->next);
}
static int hdmi_read_edid(struct omap_dss_device *dssdev,
@@ -548,69 +487,28 @@ static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
return 0;
}
-static const struct omapdss_hdmi_ops hdmi_ops = {
+static const struct omap_dss_device_ops hdmi_ops = {
.connect = hdmi_connect,
.disconnect = hdmi_disconnect,
.enable = hdmi_display_enable,
.disable = hdmi_display_disable,
- .check_timings = hdmi_display_check_timing,
- .set_timings = hdmi_display_set_timing,
- .get_timings = hdmi_display_get_timings,
+ .set_timings = hdmi_display_set_timings,
.read_edid = hdmi_read_edid,
- .lost_hotplug = hdmi_lost_hotplug,
- .set_infoframe = hdmi_set_infoframe,
- .set_hdmi_mode = hdmi_set_hdmi_mode,
-};
-
-static void hdmi_init_output(struct omap_hdmi *hdmi)
-{
- struct omap_dss_device *out = &hdmi->output;
-
- out->dev = &hdmi->pdev->dev;
- out->id = OMAP_DSS_OUTPUT_HDMI;
- out->output_type = OMAP_DISPLAY_TYPE_HDMI;
- out->name = "hdmi.0";
- out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
- out->ops.hdmi = &hdmi_ops;
- out->owner = THIS_MODULE;
-
- omapdss_register_output(out);
-}
-
-static void hdmi_uninit_output(struct omap_hdmi *hdmi)
-{
- struct omap_dss_device *out = &hdmi->output;
-
- omapdss_unregister_output(out);
-}
-
-static int hdmi_probe_of(struct omap_hdmi *hdmi)
-{
- struct platform_device *pdev = hdmi->pdev;
- struct device_node *node = pdev->dev.of_node;
- struct device_node *ep;
- int r;
-
- ep = of_graph_get_endpoint_by_regs(node, 0, 0);
- if (!ep)
- return 0;
-
- r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy);
- if (r)
- goto err;
- of_node_put(ep);
- return 0;
+ .hdmi = {
+ .lost_hotplug = hdmi_lost_hotplug,
+ .set_infoframe = hdmi_set_infoframe,
+ .set_hdmi_mode = hdmi_set_hdmi_mode,
+ },
+};
-err:
- of_node_put(ep);
- return r;
-}
+/* -----------------------------------------------------------------------------
+ * Audio Callbacks
+ */
-/* Audio callbacks */
static int hdmi_audio_startup(struct device *dev,
void (*abort_cb)(struct device *dev))
{
@@ -725,27 +623,143 @@ static int hdmi_audio_register(struct omap_hdmi *hdmi)
return 0;
}
-/* HDMI HW IP initialisation */
+/* -----------------------------------------------------------------------------
+ * Component Bind & Unbind
+ */
+
static int hdmi4_bind(struct device *dev, struct device *master, void *data)
{
- struct platform_device *pdev = to_platform_device(dev);
struct dss_device *dss = dss_get_device(master);
- struct omap_hdmi *hdmi;
+ struct omap_hdmi *hdmi = dev_get_drvdata(dev);
+ int r;
+
+ hdmi->dss = dss;
+
+ r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp);
+ if (r)
+ return r;
+
+ r = hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp);
+ if (r)
+ goto err_pll_uninit;
+
+ r = hdmi_audio_register(hdmi);
+ if (r) {
+ DSSERR("Registering HDMI audio failed\n");
+ goto err_cec_uninit;
+ }
+
+ hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
+ hdmi);
+
+ return 0;
+
+err_cec_uninit:
+ hdmi4_cec_uninit(&hdmi->core);
+err_pll_uninit:
+ hdmi_pll_uninit(&hdmi->pll);
+ return r;
+}
+
+static void hdmi4_unbind(struct device *dev, struct device *master, void *data)
+{
+ struct omap_hdmi *hdmi = dev_get_drvdata(dev);
+
+ dss_debugfs_remove_file(hdmi->debugfs);
+
+ if (hdmi->audio_pdev)
+ platform_device_unregister(hdmi->audio_pdev);
+
+ hdmi4_cec_uninit(&hdmi->core);
+ hdmi_pll_uninit(&hdmi->pll);
+}
+
+static const struct component_ops hdmi4_component_ops = {
+ .bind = hdmi4_bind,
+ .unbind = hdmi4_unbind,
+};
+
+/* -----------------------------------------------------------------------------
+ * Probe & Remove, Suspend & Resume
+ */
+
+static int hdmi4_init_output(struct omap_hdmi *hdmi)
+{
+ struct omap_dss_device *out = &hdmi->output;
int r;
+
+ out->dev = &hdmi->pdev->dev;
+ out->id = OMAP_DSS_OUTPUT_HDMI;
+ out->output_type = OMAP_DISPLAY_TYPE_HDMI;
+ out->name = "hdmi.0";
+ out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
+ out->ops = &hdmi_ops;
+ out->owner = THIS_MODULE;
+ out->of_ports = BIT(0);
+ out->ops_flags = OMAP_DSS_DEVICE_OP_EDID;
+
+ out->next = omapdss_of_find_connected_device(out->dev->of_node, 0);
+ if (IS_ERR(out->next)) {
+ if (PTR_ERR(out->next) != -EPROBE_DEFER)
+ dev_err(out->dev, "failed to find video sink\n");
+ return PTR_ERR(out->next);
+ }
+
+ r = omapdss_output_validate(out);
+ if (r) {
+ omapdss_device_put(out->next);
+ out->next = NULL;
+ return r;
+ }
+
+ omapdss_device_register(out);
+
+ return 0;
+}
+
+static void hdmi4_uninit_output(struct omap_hdmi *hdmi)
+{
+ struct omap_dss_device *out = &hdmi->output;
+
+ if (out->next)
+ omapdss_device_put(out->next);
+ omapdss_device_unregister(out);
+}
+
+static int hdmi4_probe_of(struct omap_hdmi *hdmi)
+{
+ struct platform_device *pdev = hdmi->pdev;
+ struct device_node *node = pdev->dev.of_node;
+ struct device_node *ep;
+ int r;
+
+ ep = of_graph_get_endpoint_by_regs(node, 0, 0);
+ if (!ep)
+ return 0;
+
+ r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy);
+ of_node_put(ep);
+ return r;
+}
+
+static int hdmi4_probe(struct platform_device *pdev)
+{
+ struct omap_hdmi *hdmi;
int irq;
+ int r;
hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
if (!hdmi)
return -ENOMEM;
hdmi->pdev = pdev;
- hdmi->dss = dss;
+
dev_set_drvdata(&pdev->dev, hdmi);
mutex_init(&hdmi->lock);
spin_lock_init(&hdmi->audio_playing_lock);
- r = hdmi_probe_of(hdmi);
+ r = hdmi4_probe_of(hdmi);
if (r)
goto err_free;
@@ -753,27 +767,19 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data)
if (r)
goto err_free;
- r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp);
- if (r)
- goto err_free;
-
r = hdmi_phy_init(pdev, &hdmi->phy, 4);
if (r)
- goto err_pll;
+ goto err_free;
r = hdmi4_core_init(pdev, &hdmi->core);
if (r)
- goto err_pll;
-
- r = hdmi4_cec_init(pdev, &hdmi->core, &hdmi->wp);
- if (r)
- goto err_pll;
+ goto err_free;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
DSSERR("platform_get_irq failed\n");
r = -ENODEV;
- goto err_pll;
+ goto err_free;
}
r = devm_request_threaded_irq(&pdev->dev, irq,
@@ -781,66 +787,49 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data)
IRQF_ONESHOT, "OMAP HDMI", hdmi);
if (r) {
DSSERR("HDMI IRQ request failed\n");
- goto err_pll;
+ goto err_free;
}
- pm_runtime_enable(&pdev->dev);
+ hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda");
+ if (IS_ERR(hdmi->vdda_reg)) {
+ r = PTR_ERR(hdmi->vdda_reg);
+ if (r != -EPROBE_DEFER)
+ DSSERR("can't get VDDA regulator\n");
+ goto err_free;
+ }
- hdmi_init_output(hdmi);
+ pm_runtime_enable(&pdev->dev);
- r = hdmi_audio_register(hdmi);
- if (r) {
- DSSERR("Registering HDMI audio failed\n");
- hdmi_uninit_output(hdmi);
- pm_runtime_disable(&pdev->dev);
- return r;
- }
+ r = hdmi4_init_output(hdmi);
+ if (r)
+ goto err_pm_disable;
- hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
- hdmi);
+ r = component_add(&pdev->dev, &hdmi4_component_ops);
+ if (r)
+ goto err_uninit_output;
return 0;
-err_pll:
- hdmi_pll_uninit(&hdmi->pll);
+err_uninit_output:
+ hdmi4_uninit_output(hdmi);
+err_pm_disable:
+ pm_runtime_disable(&pdev->dev);
err_free:
kfree(hdmi);
return r;
}
-static void hdmi4_unbind(struct device *dev, struct device *master, void *data)
+static int hdmi4_remove(struct platform_device *pdev)
{
- struct omap_hdmi *hdmi = dev_get_drvdata(dev);
-
- dss_debugfs_remove_file(hdmi->debugfs);
-
- if (hdmi->audio_pdev)
- platform_device_unregister(hdmi->audio_pdev);
+ struct omap_hdmi *hdmi = platform_get_drvdata(pdev);
- hdmi_uninit_output(hdmi);
-
- hdmi4_cec_uninit(&hdmi->core);
+ component_del(&pdev->dev, &hdmi4_component_ops);
- hdmi_pll_uninit(&hdmi->pll);
+ hdmi4_uninit_output(hdmi);
- pm_runtime_disable(dev);
+ pm_runtime_disable(&pdev->dev);
kfree(hdmi);
-}
-
-static const struct component_ops hdmi4_component_ops = {
- .bind = hdmi4_bind,
- .unbind = hdmi4_unbind,
-};
-
-static int hdmi4_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &hdmi4_component_ops);
-}
-
-static int hdmi4_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &hdmi4_component_ops);
return 0;
}