aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c197
1 files changed, 36 insertions, 161 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
index d275bf152da5..94de55fd8884 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
@@ -21,42 +21,26 @@
struct panel_drv_data {
struct omap_dss_device dssdev;
- struct omap_dss_device *in;
void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
void *hpd_cb_data;
- bool hpd_enabled;
struct mutex hpd_lock;
struct gpio_desc *ct_cp_hpd_gpio;
struct gpio_desc *ls_oe_gpio;
struct gpio_desc *hpd_gpio;
-
- struct videomode vm;
};
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-static int tpd_connect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
+static int tpd_connect(struct omap_dss_device *src,
+ struct omap_dss_device *dst)
{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in;
+ struct panel_drv_data *ddata = to_panel_data(dst);
int r;
- in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node);
- if (IS_ERR(in)) {
- dev_err(dssdev->dev, "failed to find video source\n");
- return PTR_ERR(in);
- }
-
- r = in->ops.hdmi->connect(in, dssdev);
- if (r) {
- omap_dss_put_device(in);
+ r = omapdss_device_connect(dst->dss, dst, dst->next);
+ if (r)
return r;
- }
-
- dst->src = dssdev;
- dssdev->dst = dst;
gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1);
gpiod_set_value_cansleep(ddata->ls_oe_gpio, 1);
@@ -64,45 +48,29 @@ static int tpd_connect(struct omap_dss_device *dssdev,
/* DC-DC converter needs at max 300us to get to 90% of 5V */
udelay(300);
- ddata->in = in;
return 0;
}
-static void tpd_disconnect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
+static void tpd_disconnect(struct omap_dss_device *src,
+ struct omap_dss_device *dst)
{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
+ struct panel_drv_data *ddata = to_panel_data(dst);
gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0);
gpiod_set_value_cansleep(ddata->ls_oe_gpio, 0);
- dst->src = NULL;
- dssdev->dst = NULL;
-
- in->ops.hdmi->disconnect(in, &ddata->dssdev);
-
- omap_dss_put_device(in);
- ddata->in = NULL;
+ omapdss_device_disconnect(dst, dst->next);
}
static int tpd_enable(struct omap_dss_device *dssdev)
{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
+ struct omap_dss_device *src = dssdev->src;
int r;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
return 0;
- in->ops.hdmi->set_timings(in, &ddata->vm);
-
- r = in->ops.hdmi->enable(in);
+ r = src->ops->enable(src);
if (r)
return r;
@@ -113,76 +81,27 @@ static int tpd_enable(struct omap_dss_device *dssdev)
static void tpd_disable(struct omap_dss_device *dssdev)
{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
+ struct omap_dss_device *src = dssdev->src;
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
- in->ops.hdmi->disable(in);
+ src->ops->disable(src);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
-static void tpd_set_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- ddata->vm = *vm;
- dssdev->panel.vm = *vm;
-
- in->ops.hdmi->set_timings(in, vm);
-}
-
-static void tpd_get_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- *vm = ddata->vm;
-}
-
-static int tpd_check_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- r = in->ops.hdmi->check_timings(in, vm);
-
- return r;
-}
-
-static int tpd_read_edid(struct omap_dss_device *dssdev,
- u8 *edid, int len)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- if (!gpiod_get_value_cansleep(ddata->hpd_gpio))
- return -ENODEV;
-
- return in->ops.hdmi->read_edid(in, edid, len);
-}
-
static bool tpd_detect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- bool connected = gpiod_get_value_cansleep(ddata->hpd_gpio);
- if (!connected && in->ops.hdmi->lost_hotplug)
- in->ops.hdmi->lost_hotplug(in);
- return connected;
+ return gpiod_get_value_cansleep(ddata->hpd_gpio);
}
-static int tpd_register_hpd_cb(struct omap_dss_device *dssdev,
- void (*cb)(void *cb_data,
+static void tpd_register_hpd_cb(struct omap_dss_device *dssdev,
+ void (*cb)(void *cb_data,
enum drm_connector_status status),
- void *cb_data)
+ void *cb_data)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
@@ -190,8 +109,6 @@ static int tpd_register_hpd_cb(struct omap_dss_device *dssdev,
ddata->hpd_cb = cb;
ddata->hpd_cb_data = cb_data;
mutex_unlock(&ddata->hpd_lock);
-
- return 0;
}
static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev)
@@ -204,61 +121,14 @@ static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev)
mutex_unlock(&ddata->hpd_lock);
}
-static void tpd_enable_hpd(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_enabled = true;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static void tpd_disable_hpd(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_enabled = false;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static int tpd_set_infoframe(struct omap_dss_device *dssdev,
- const struct hdmi_avi_infoframe *avi)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- return in->ops.hdmi->set_infoframe(in, avi);
-}
-
-static int tpd_set_hdmi_mode(struct omap_dss_device *dssdev,
- bool hdmi_mode)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- return in->ops.hdmi->set_hdmi_mode(in, hdmi_mode);
-}
-
-static const struct omapdss_hdmi_ops tpd_hdmi_ops = {
+static const struct omap_dss_device_ops tpd_ops = {
.connect = tpd_connect,
.disconnect = tpd_disconnect,
-
.enable = tpd_enable,
.disable = tpd_disable,
-
- .check_timings = tpd_check_timings,
- .set_timings = tpd_set_timings,
- .get_timings = tpd_get_timings,
-
- .read_edid = tpd_read_edid,
.detect = tpd_detect,
.register_hpd_cb = tpd_register_hpd_cb,
.unregister_hpd_cb = tpd_unregister_hpd_cb,
- .enable_hpd = tpd_enable_hpd,
- .disable_hpd = tpd_disable_hpd,
- .set_infoframe = tpd_set_infoframe,
- .set_hdmi_mode = tpd_set_hdmi_mode,
};
static irqreturn_t tpd_hpd_isr(int irq, void *data)
@@ -266,7 +136,7 @@ static irqreturn_t tpd_hpd_isr(int irq, void *data)
struct panel_drv_data *ddata = data;
mutex_lock(&ddata->hpd_lock);
- if (ddata->hpd_enabled && ddata->hpd_cb) {
+ if (ddata->hpd_cb) {
enum drm_connector_status status;
if (tpd_detect(&ddata->dssdev))
@@ -283,7 +153,7 @@ static irqreturn_t tpd_hpd_isr(int irq, void *data)
static int tpd_probe(struct platform_device *pdev)
{
- struct omap_dss_device *in, *dssdev;
+ struct omap_dss_device *dssdev;
struct panel_drv_data *ddata;
int r;
struct gpio_desc *gpio;
@@ -325,21 +195,24 @@ static int tpd_probe(struct platform_device *pdev)
return r;
dssdev = &ddata->dssdev;
- dssdev->ops.hdmi = &tpd_hdmi_ops;
+ dssdev->ops = &tpd_ops;
dssdev->dev = &pdev->dev;
dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
dssdev->output_type = OMAP_DISPLAY_TYPE_HDMI;
dssdev->owner = THIS_MODULE;
- dssdev->port_num = 1;
-
- in = ddata->in;
-
- r = omapdss_register_output(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register output\n");
- return r;
+ dssdev->of_ports = BIT(1) | BIT(0);
+ dssdev->ops_flags = OMAP_DSS_DEVICE_OP_DETECT
+ | OMAP_DSS_DEVICE_OP_HPD;
+
+ dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1);
+ if (IS_ERR(dssdev->next)) {
+ if (PTR_ERR(dssdev->next) != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "failed to find video sink\n");
+ return PTR_ERR(dssdev->next);
}
+ omapdss_device_register(dssdev);
+
return 0;
}
@@ -348,7 +221,9 @@ static int __exit tpd_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_output(&ddata->dssdev);
+ if (dssdev->next)
+ omapdss_device_put(dssdev->next);
+ omapdss_device_unregister(&ddata->dssdev);
WARN_ON(omapdss_device_is_enabled(dssdev));
if (omapdss_device_is_enabled(dssdev))
@@ -356,7 +231,7 @@ static int __exit tpd_remove(struct platform_device *pdev)
WARN_ON(omapdss_device_is_connected(dssdev));
if (omapdss_device_is_connected(dssdev))
- tpd_disconnect(dssdev, dssdev->dst);
+ omapdss_device_disconnect(NULL, dssdev);
return 0;
}