static int omap_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct omap_video_timings timings = {0};
struct drm_device *dev = connector->dev;
struct drm_display_mode *new_mode;
int ret = MODE_BAD;
copy_timings_drm_to_omap(&timings, mode);
mode->vrefresh = drm_mode_vrefresh(mode);
if (!dssdrv->check_timings(dssdev, &timings)) {
/* check if vrefresh is still valid */
new_mode = drm_mode_duplicate(dev, mode);
new_mode->clock = timings.pixel_clock;
new_mode->vrefresh = 0;
if (mode->vrefresh == drm_mode_vrefresh(new_mode))
ret = MODE_OK;
drm_mode_destroy(dev, new_mode);
}
DBG("connector: mode %s: "
"%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
(ret == MODE_OK) ? "valid" : "invalid",
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
mode->vsync_end, mode->vtotal, mode->type, mode->flags);
return ret;
}
static enum drm_connector_status omap_connector_detect(
struct drm_connector *connector, bool force)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
enum drm_connector_status ret;
if (dssdrv->detect) {
if (dssdrv->detect(dssdev))
ret = connector_status_connected;
else
ret = connector_status_disconnected;
} else if (dssdev->type == OMAP_DISPLAY_TYPE_DPI ||
dssdev->type == OMAP_DISPLAY_TYPE_DBI ||
dssdev->type == OMAP_DISPLAY_TYPE_SDI ||
dssdev->type == OMAP_DISPLAY_TYPE_DSI) {
ret = connector_status_connected;
} else {
ret = connector_status_unknown;
}
VERB("%s: %d (force=%d)", omap_connector->dssdev->name, ret, force);
return ret;
}
void omap_connector_mode_set(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_device *dev = connector->dev;
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct omap_video_timings timings;
copy_timings_drm_to_omap(&timings, mode);
DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
omap_connector->dssdev->name,
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
mode->vsync_end, mode->vtotal, mode->type, mode->flags);
if (dssdrv->check_timings(dssdev, &timings)) {
dev_err(dev->dev, "could not set timings\n");
return;
}
dssdrv->set_timings(dssdev, &timings);
}
struct drm_encoder *omap_connector_attached_encoder(
struct drm_connector *connector)
{
int i;
struct omap_connector *omap_connector = to_omap_connector(connector);
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
struct drm_mode_object *obj;
if (connector->encoder_ids[i] == 0)
break;
obj = drm_mode_object_find(connector->dev,
connector->encoder_ids[i],
DRM_MODE_OBJECT_ENCODER);
if (obj) {
struct drm_encoder *encoder = obj_to_encoder(obj);
struct omap_overlay_manager *mgr =
omap_encoder_get_manager(encoder);
DBG("%s: found %s", omap_connector->dssdev->name,
mgr->name);
return encoder;
}
}
DBG("%s: no encoder", omap_connector->dssdev->name);
return NULL;
}
/* flush an area of the framebuffer (in case of manual update display that
* is not automatically flushed)
*/
void omap_connector_flush(struct drm_connector *connector,
int x, int y, int w, int h)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
/* TODO: enable when supported in dss */
VERB("%s: %d,%d, %dx%d", omap_connector->dssdev->name, x, y, w, h);
}
void omap_connector_flush(struct drm_connector *connector,
int x, int y, int w, int h)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
VERB("%s: %d,%d, %dx%d", omap_connector->dssdev->name, x, y, w, h);
}
static int omap_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct videomode vm = {0};
struct drm_device *dev = connector->dev;
struct drm_display_mode *new_mode;
int r, ret = MODE_BAD;
drm_display_mode_to_videomode(mode, &vm);
vm.flags |= DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE |
DISPLAY_FLAGS_SYNC_NEGEDGE;
mode->vrefresh = drm_mode_vrefresh(mode);
/*
* if the panel driver doesn't have a check_timings, it's most likely
* a fixed resolution panel, check if the timings match with the
* panel's timings
*/
if (dssdrv->check_timings) {
r = dssdrv->check_timings(dssdev, &vm);
} else {
struct videomode t = {0};
dssdrv->get_timings(dssdev, &t);
if (memcmp(&vm, &t, sizeof(struct videomode)))
r = -EINVAL;
else
r = 0;
}
if (!r) {
/* check if vrefresh is still valid */
new_mode = drm_mode_duplicate(dev, mode);
new_mode->clock = vm.pixelclock / 1000;
new_mode->vrefresh = 0;
if (mode->vrefresh == drm_mode_vrefresh(new_mode))
ret = MODE_OK;
drm_mode_destroy(dev, new_mode);
}
DBG("connector: mode %s: "
"%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
(ret == MODE_OK) ? "valid" : "invalid",
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
mode->vsync_end, mode->vtotal, mode->type, mode->flags);
return ret;
}
static void omap_connector_destroy(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
DBG("%s", omap_connector->dssdev->name);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
kfree(omap_connector);
omap_dss_put_device(dssdev);
}
static void omap_connector_destroy(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
dssdev->driver->disable(dssdev);
DBG("%s", omap_connector->dssdev->name);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(omap_connector);
omap_dss_put_device(dssdev);
}
static int omap_connector_get_modes(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct drm_device *dev = connector->dev;
int n = 0;
DBG("%s", omap_connector->dssdev->name);
/* if display exposes EDID, then we parse that in the normal way to
* build table of supported modes.. otherwise (ie. fixed resolution
* LCD panels) we just return a single mode corresponding to the
* currently configured timings:
*/
if (dssdrv->read_edid) {
void *edid = kzalloc(MAX_EDID, GFP_KERNEL);
if ((dssdrv->read_edid(dssdev, edid, MAX_EDID) > 0) &&
drm_edid_is_valid(edid)) {
drm_mode_connector_update_edid_property(
connector, edid);
n = drm_add_edid_modes(connector, edid);
omap_connector->hdmi_mode =
drm_detect_hdmi_monitor(edid);
} else {
drm_mode_connector_update_edid_property(
connector, NULL);
}
kfree(edid);
} else {
struct drm_display_mode *mode = drm_mode_create(dev);
struct videomode vm = {0};
dssdrv->get_timings(dssdev, &vm);
drm_display_mode_from_videomode(&vm, mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
n = 1;
}
return n;
}
static int omap_connector_get_modes(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct drm_device *dev = connector->dev;
int n = 0;
DBG("%s", omap_connector->dssdev->name);
if (dssdrv->read_edid) {
void *edid = kzalloc(MAX_EDID, GFP_KERNEL);
if ((dssdrv->read_edid(dssdev, edid, MAX_EDID) > 0) &&
drm_edid_is_valid(edid)) {
drm_mode_connector_update_edid_property(
connector, edid);
n = drm_add_edid_modes(connector, edid);
kfree(connector->display_info.raw_edid);
connector->display_info.raw_edid = edid;
} else {
drm_mode_connector_update_edid_property(
connector, NULL);
connector->display_info.raw_edid = NULL;
kfree(edid);
}
} else {
struct drm_display_mode *mode = drm_mode_create(dev);
struct omap_video_timings timings;
dssdrv->get_timings(dssdev, &timings);
copy_timings_omap_to_drm(mode, &timings);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
n = 1;
}
return n;
}
static void omap_connector_dpms(struct drm_connector *connector, int mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
int old_dpms;
DBG("%s: %d", dssdev->name, mode);
old_dpms = connector->dpms;
if (mode < old_dpms)
drm_helper_connector_dpms(connector, mode);
if (mode == DRM_MODE_DPMS_ON) {
switch (dssdev->state) {
case OMAP_DSS_DISPLAY_SUSPENDED:
dssdev->activate_after_resume = true;
break;
case OMAP_DSS_DISPLAY_DISABLED: {
int ret = dssdev->driver->enable(dssdev);
if (ret) {
DBG("%s: failed to enable: %d",
dssdev->name, ret);
dssdev->driver->disable(dssdev);
}
break;
}
default:
break;
}
} else {
}
if (mode > old_dpms)
drm_helper_connector_dpms(connector, mode);
}
enum drm_connector_status omap_connector_detect(
struct drm_connector *connector, bool force)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
enum drm_connector_status ret;
if (dssdrv->detect) {
if (dssdrv->detect(dssdev)) {
ret = connector_status_connected;
} else {
ret = connector_status_disconnected;
}
} else {
ret = connector_status_unknown;
}
VERB("%s: %d (force=%d)", omap_connector->dssdev->name, ret, force);
return ret;
}
bool omap_connector_get_hdmi_mode(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
return omap_connector->hdmi_mode;
}
struct drm_encoder *omap_connector_attached_encoder(
struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
return omap_connector->encoder;
}