static void hdmic_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
dev_dbg(ddata->dev, "disable\n");
if (!omapdss_device_is_enabled(dssdev))
return;
in->ops.hdmi->disable(in);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static void tpo_td043_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
if (!omapdss_device_is_enabled(dssdev))
return;
in->ops.dpi->disable(in);
if (!ddata->spi_suspended)
tpo_td043_power_off(ddata);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static void acx565akm_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
dev_dbg(dssdev->dev, "%s\n", __func__);
if (!omapdss_device_is_enabled(dssdev))
return;
mutex_lock(&ddata->mutex);
acx565akm_panel_power_off(dssdev);
mutex_unlock(&ddata->mutex);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static void tfp410_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
if (!omapdss_device_is_enabled(dssdev))
return;
if (gpio_is_valid(ddata->pd_gpio))
gpio_set_value_cansleep(ddata->pd_gpio, 0);
in->ops.dpi->disable(in);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static void opa362_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
dev_dbg(dssdev->dev, "disable\n");
if (!omapdss_device_is_enabled(dssdev))
return;
if (ddata->enable_gpio)
gpiod_set_value_cansleep(ddata->enable_gpio, 0);
in->ops.atv->disable(in);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static void panel_dpi_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *src = dssdev->src;
if (!omapdss_device_is_enabled(dssdev))
return;
backlight_disable(ddata->backlight);
gpiod_set_value_cansleep(ddata->enable_gpio, 0);
regulator_disable(ddata->vcc_supply);
src->ops->disable(src);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static void panel_dpi_disable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
if (!omapdss_device_is_enabled(dssdev))
return;
if (gpio_is_valid(ddata->backlight_gpio))
gpio_set_value_cansleep(ddata->backlight_gpio, 0);
gpiod_set_value_cansleep(ddata->enable_gpio, 0);
regulator_disable(ddata->vcc_supply);
in->ops.dpi->disable(in);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int hdmic_audio_enable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
int r;
/* enable audio only if the display is active */
if (!omapdss_device_is_enabled(dssdev))
return -EPERM;
r = in->ops.hdmi->audio_enable(in);
if (r)
return r;
dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED;
return 0;
}
static int hdmic_audio_config(struct omap_dss_device *dssdev,
struct omap_dss_audio *audio)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
int r;
/* config audio only if the display is active */
if (!omapdss_device_is_enabled(dssdev))
return -EPERM;
r = in->ops.hdmi->audio_config(in, audio);
if (r)
return r;
dssdev->audio_state = OMAP_DSS_AUDIO_CONFIGURED;
return 0;
}
static int panel_dpi_enable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
int r;
if (!omapdss_device_is_connected(dssdev))
return -ENODEV;
if (omapdss_device_is_enabled(dssdev))
return 0;
if (ddata->data_lines)
in->ops.dpi->set_data_lines(in, ddata->data_lines);
in->ops.dpi->set_timings(in, &ddata->vm);
r = in->ops.dpi->enable(in);
if (r)
return r;
r = regulator_enable(ddata->vcc_supply);
if (r) {
in->ops.dpi->disable(in);
return r;
}
gpiod_set_value_cansleep(ddata->enable_gpio, 1);
if (gpio_is_valid(ddata->backlight_gpio))
gpio_set_value_cansleep(ddata->backlight_gpio, 1);
if (ddata->backlight) {
ddata->backlight->props.power = FB_BLANK_UNBLANK;
backlight_update_status(ddata->backlight);
}
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
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;
int r;
if (!omapdss_device_is_connected(dssdev))
return -ENODEV;
if (omapdss_device_is_enabled(dssdev))
return 0;
in->ops.dvi->set_timings(in, &ddata->timings);
r = in->ops.dvi->enable(in);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static int acx565akm_enable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
int r;
dev_dbg(dssdev->dev, "%s\n", __func__);
if (!omapdss_device_is_connected(dssdev))
return -ENODEV;
if (omapdss_device_is_enabled(dssdev))
return 0;
mutex_lock(&ddata->mutex);
r = acx565akm_panel_power_on(dssdev);
mutex_unlock(&ddata->mutex);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static int tpo_td043_enable(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
int r;
if (!omapdss_device_is_connected(dssdev))
return -ENODEV;
if (omapdss_device_is_enabled(dssdev))
return 0;
if (ddata->data_lines)
in->ops.dpi->set_data_lines(in, ddata->data_lines);
in->ops.dpi->set_timings(in, &ddata->videomode);
r = in->ops.dpi->enable(in);
if (r)
return r;
/*
* If we are resuming from system suspend, SPI clocks might not be
* enabled yet, so we'll program the LCD from SPI PM resume callback.
*/
if (!ddata->spi_suspended) {
r = tpo_td043_power_on(ddata);
if (r) {
in->ops.dpi->disable(in);
return r;
}
}
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n",
omapdss_device_is_enabled(dssdev));
}