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path: root/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/connector-dvi.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/connector-dvi.c175
1 files changed, 22 insertions, 153 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
index 6d8cbd9e2110..24b14f44248e 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
@@ -19,30 +19,8 @@
#include "../dss/omapdss.h"
-static const struct videomode dvic_default_vm = {
- .hactive = 640,
- .vactive = 480,
-
- .pixelclock = 23500000,
-
- .hfront_porch = 48,
- .hsync_len = 32,
- .hback_porch = 80,
-
- .vfront_porch = 3,
- .vsync_len = 4,
- .vback_porch = 7,
-
- .flags = DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_HIGH |
- DISPLAY_FLAGS_SYNC_NEGEDGE | DISPLAY_FLAGS_DE_HIGH |
- DISPLAY_FLAGS_PIXDATA_POSEDGE,
-};
-
struct panel_drv_data {
struct omap_dss_device dssdev;
- struct omap_dss_device *in;
-
- struct videomode vm;
struct i2c_adapter *i2c_adapter;
@@ -57,49 +35,20 @@ struct panel_drv_data {
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-static int dvic_connect(struct omap_dss_device *dssdev)
+static int dvic_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;
- int r;
-
- if (omapdss_device_is_connected(dssdev))
- return 0;
-
- 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.dvi->connect(in, dssdev);
- if (r) {
- omap_dss_put_device(in);
- return r;
- }
-
- ddata->in = in;
return 0;
}
-static void dvic_disconnect(struct omap_dss_device *dssdev)
+static void dvic_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;
-
- if (!omapdss_device_is_connected(dssdev))
- return;
-
- in->ops.dvi->disconnect(in, dssdev);
-
- omap_dss_put_device(in);
- ddata->in = NULL;
}
static int dvic_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 (!omapdss_device_is_connected(dssdev))
@@ -108,9 +57,7 @@ static int dvic_enable(struct omap_dss_device *dssdev)
if (omapdss_device_is_enabled(dssdev))
return 0;
- in->ops.dvi->set_timings(in, &ddata->vm);
-
- r = in->ops.dvi->enable(in);
+ r = src->ops->enable(src);
if (r)
return r;
@@ -121,46 +68,16 @@ static int dvic_enable(struct omap_dss_device *dssdev)
static void dvic_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 (!omapdss_device_is_enabled(dssdev))
return;
- in->ops.dvi->disable(in);
+ src->ops->disable(src);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
-static void dvic_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.dvi->set_timings(in, vm);
-}
-
-static void dvic_get_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- *vm = ddata->vm;
-}
-
-static int dvic_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;
-
- return in->ops.dvi->check_timings(in, vm);
-}
-
static int dvic_ddc_read(struct i2c_adapter *adapter,
unsigned char *buf, u16 count, u8 offset)
{
@@ -198,12 +115,6 @@ static int dvic_read_edid(struct omap_dss_device *dssdev,
struct panel_drv_data *ddata = to_panel_data(dssdev);
int r, l, bytes_read;
- if (ddata->hpd_gpio && !gpiod_get_value_cansleep(ddata->hpd_gpio))
- return -ENODEV;
-
- if (!ddata->i2c_adapter)
- return -ENODEV;
-
l = min(EDID_LENGTH, len);
r = dvic_ddc_read(ddata->i2c_adapter, edid, l, 0);
if (r)
@@ -243,78 +154,41 @@ static bool dvic_detect(struct omap_dss_device *dssdev)
return r == 0;
}
-static int dvic_register_hpd_cb(struct omap_dss_device *dssdev,
+static void dvic_register_hpd_cb(struct omap_dss_device *dssdev,
void (*cb)(void *cb_data,
enum drm_connector_status status),
void *cb_data)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
- if (!ddata->hpd_gpio)
- return -ENOTSUPP;
-
mutex_lock(&ddata->hpd_lock);
ddata->hpd_cb = cb;
ddata->hpd_cb_data = cb_data;
mutex_unlock(&ddata->hpd_lock);
- return 0;
}
static void dvic_unregister_hpd_cb(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
- if (!ddata->hpd_gpio)
- return;
-
mutex_lock(&ddata->hpd_lock);
ddata->hpd_cb = NULL;
ddata->hpd_cb_data = NULL;
mutex_unlock(&ddata->hpd_lock);
}
-static void dvic_enable_hpd(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (!ddata->hpd_gpio)
- return;
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_enabled = true;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static void dvic_disable_hpd(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (!ddata->hpd_gpio)
- return;
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_enabled = false;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static struct omap_dss_driver dvic_driver = {
+static const struct omap_dss_device_ops dvic_ops = {
.connect = dvic_connect,
.disconnect = dvic_disconnect,
.enable = dvic_enable,
.disable = dvic_disable,
- .set_timings = dvic_set_timings,
- .get_timings = dvic_get_timings,
- .check_timings = dvic_check_timings,
-
.read_edid = dvic_read_edid,
.detect = dvic_detect,
.register_hpd_cb = dvic_register_hpd_cb,
.unregister_hpd_cb = dvic_unregister_hpd_cb,
- .enable_hpd = dvic_enable_hpd,
- .disable_hpd = dvic_disable_hpd,
};
static irqreturn_t dvic_hpd_isr(int irq, void *data)
@@ -396,28 +270,24 @@ static int dvic_probe(struct platform_device *pdev)
if (r)
return r;
- ddata->vm = dvic_default_vm;
-
dssdev = &ddata->dssdev;
- dssdev->driver = &dvic_driver;
+ dssdev->ops = &dvic_ops;
dssdev->dev = &pdev->dev;
dssdev->type = OMAP_DISPLAY_TYPE_DVI;
dssdev->owner = THIS_MODULE;
- dssdev->panel.vm = dvic_default_vm;
+ dssdev->of_ports = BIT(0);
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- goto err_reg;
- }
-
- return 0;
+ if (ddata->hpd_gpio)
+ dssdev->ops_flags |= OMAP_DSS_DEVICE_OP_DETECT
+ | OMAP_DSS_DEVICE_OP_HPD;
+ if (ddata->i2c_adapter)
+ dssdev->ops_flags |= OMAP_DSS_DEVICE_OP_DETECT
+ | OMAP_DSS_DEVICE_OP_EDID;
-err_reg:
- i2c_put_adapter(ddata->i2c_adapter);
- mutex_destroy(&ddata->hpd_lock);
+ omapdss_display_init(dssdev);
+ omapdss_device_register(dssdev);
- return r;
+ return 0;
}
static int __exit dvic_remove(struct platform_device *pdev)
@@ -425,10 +295,9 @@ static int __exit dvic_remove(struct platform_device *pdev)
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
- omapdss_unregister_display(&ddata->dssdev);
+ omapdss_device_unregister(&ddata->dssdev);
dvic_disable(dssdev);
- dvic_disconnect(dssdev);
i2c_put_adapter(ddata->i2c_adapter);