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;
	struct omap_dss_device *in = ddata->in;

	tpd_uninit_pins(pdev);

	unregister_pm_notifier(&hdmi_i2c2_hack_pm_notif_block);

	hdmi_i2c2_hack_suspend_mcasp();

	omapdss_unregister_output(&ddata->dssdev);

	WARN_ON(omapdss_device_is_enabled(dssdev));
	if (omapdss_device_is_enabled(dssdev))
		tpd_disable(dssdev);

	WARN_ON(omapdss_device_is_connected(dssdev));
	if (omapdss_device_is_connected(dssdev))
		tpd_disconnect(dssdev, dssdev->dst);

	omap_dss_put_device(in);

	return 0;
}
Exemplo n.º 2
0
static ssize_t display_enabled_store(struct omap_dss_device *dssdev,
		const char *buf, size_t size)
{
	int r;
	bool enable;

	r = strtobool(buf, &enable);
	if (r)
		return r;

	if (enable == omapdss_device_is_enabled(dssdev))
		return size;

	if (omapdss_device_is_connected(dssdev) == false)
		return -ENODEV;

	if (enable) {
		r = dssdev->driver->enable(dssdev);
		if (r)
			return r;
	} else {
		dssdev->driver->disable(dssdev);
	}

	return size;
}
Exemplo n.º 3
0
static int tfp410_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.dpi->set_timings(in, &ddata->timings);
	if (ddata->data_lines)
		in->ops.dpi->set_data_lines(in, ddata->data_lines);

	r = in->ops.dpi->enable(in);
	if (r)
		return r;

	if (gpio_is_valid(ddata->pd_gpio))
		gpio_set_value_cansleep(ddata->pd_gpio, 1);

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	return 0;
}
Exemplo n.º 4
0
static int opa362_enable(struct omap_dss_device *dssdev)
{
	struct panel_drv_data *ddata = to_panel_data(dssdev);
	struct omap_dss_device *in = ddata->in;
	int r;

	dev_dbg(dssdev->dev, "enable\n");

	if (!omapdss_device_is_connected(dssdev))
		return -ENODEV;

	if (omapdss_device_is_enabled(dssdev))
		return 0;

	in->ops.atv->set_timings(in, &ddata->timings);

	r = in->ops.atv->enable(in);
	if (r)
		return r;

	if (ddata->enable_gpio)
		gpiod_set_value_cansleep(ddata->enable_gpio, 1);

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	return 0;
}
Exemplo n.º 5
0
static int panel_dpi_enable(struct omap_dss_device *dssdev)
{
	struct panel_drv_data *ddata = to_panel_data(dssdev);
	struct omap_dss_device *src = dssdev->src;
	int r;

	if (!omapdss_device_is_connected(dssdev))
		return -ENODEV;

	if (omapdss_device_is_enabled(dssdev))
		return 0;

	r = src->ops->enable(src);
	if (r)
		return r;

	r = regulator_enable(ddata->vcc_supply);
	if (r) {
		src->ops->disable(src);
		return r;
	}

	gpiod_set_value_cansleep(ddata->enable_gpio, 1);
	backlight_enable(ddata->backlight);

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	return 0;
}
Exemplo n.º 6
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);

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	return 0;
}
Exemplo n.º 7
0
static void dvic_disconnect(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_connected(dssdev))
		return;

	in->ops.dvi->disconnect(in, dssdev);
}
Exemplo n.º 8
0
static void tfp410_disconnect(struct omap_dss_device *dssdev,
		struct omap_dss_device *dst)
{
	struct panel_drv_data *ddata = to_panel_data(dssdev);
	struct omap_dss_device *in = ddata->in;

	WARN_ON(!omapdss_device_is_connected(dssdev));
	if (!omapdss_device_is_connected(dssdev))
		return;

	WARN_ON(dst != dssdev->dst);
	if (dst != dssdev->dst)
		return;

	dst->src = NULL;
	dssdev->dst = NULL;

	in->ops.dpi->disconnect(in, &ddata->dssdev);
}
Exemplo n.º 9
0
static int __exit opa362_remove(struct platform_device *pdev)
{
	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
	struct omap_dss_device *dssdev = &ddata->dssdev;
	struct omap_dss_device *in = ddata->in;

	omapdss_unregister_output(&ddata->dssdev);

	WARN_ON(omapdss_device_is_enabled(dssdev));
	if (omapdss_device_is_enabled(dssdev))
		opa362_disable(dssdev);

	WARN_ON(omapdss_device_is_connected(dssdev));
	if (omapdss_device_is_connected(dssdev))
		opa362_disconnect(dssdev, dssdev->dst);

	omap_dss_put_device(in);

	return 0;
}
Exemplo n.º 10
0
static void acx565akm_disconnect(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_connected(dssdev))
		return;

	in->ops.sdi->disconnect(in, dssdev);

	omap_dss_put_device(in);
	ddata->in = NULL;
}
Exemplo n.º 11
0
static int dvic_connect(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 0;

	r = in->ops.dvi->connect(in, dssdev);
	if (r)
		return r;

	return 0;
}
Exemplo n.º 12
0
static int tfp410_connect(struct omap_dss_device *dssdev,
		struct omap_dss_device *dst)
{
	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 -EBUSY;

	r = in->ops.dpi->connect(in, dssdev);
	if (r)
		return r;

	dst->src = dssdev;
	dssdev->dst = dst;

	return 0;
}
Exemplo n.º 13
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;
}
Exemplo n.º 14
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;
}
Exemplo n.º 15
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;
}
Exemplo n.º 16
0
static int acx565akm_connect(struct omap_dss_device *dssdev)
{
	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.sdi->connect(in, dssdev);
	if (r) {
		omap_dss_put_device(in);
		return r;
	}

	ddata->in = in;
	return 0;
}
Exemplo n.º 17
0
static int omap_modeset_init(struct drm_device *dev)
{
	struct omap_drm_private *priv = dev->dev_private;
	struct omap_dss_device *dssdev = NULL;
	int num_ovls = dss_feat_get_num_ovls();
	int num_mgrs = dss_feat_get_num_mgrs();
	int num_crtcs;
	int i, id = 0;

	drm_mode_config_init(dev);

	omap_drm_irq_install(dev);

	/*
	 * We usually don't want to create a CRTC for each manager, at least
	 * not until we have a way to expose private planes to userspace.
	 * Otherwise there would not be enough video pipes left for drm planes.
	 * We use the num_crtc argument to limit the number of crtcs we create.
	 */
	num_crtcs = min3(num_crtc, num_mgrs, num_ovls);

	dssdev = NULL;

	for_each_dss_dev(dssdev) {
		struct drm_connector *connector;
		struct drm_encoder *encoder;
		enum omap_channel channel;
		struct omap_overlay_manager *mgr;

		if (!omapdss_device_is_connected(dssdev))
			continue;

		encoder = omap_encoder_init(dev, dssdev);

		if (!encoder) {
			dev_err(dev->dev, "could not create encoder: %s\n",
					dssdev->name);
			return -ENOMEM;
		}

		connector = omap_connector_init(dev,
				get_connector_type(dssdev), dssdev, encoder);

		if (!connector) {
			dev_err(dev->dev, "could not create connector: %s\n",
					dssdev->name);
			return -ENOMEM;
		}

		BUG_ON(priv->num_encoders >= ARRAY_SIZE(priv->encoders));
		BUG_ON(priv->num_connectors >= ARRAY_SIZE(priv->connectors));

		priv->encoders[priv->num_encoders++] = encoder;
		priv->connectors[priv->num_connectors++] = connector;

		drm_mode_connector_attach_encoder(connector, encoder);

		/*
		 * if we have reached the limit of the crtcs we are allowed to
		 * create, let's not try to look for a crtc for this
		 * panel/encoder and onwards, we will, of course, populate the
		 * the possible_crtcs field for all the encoders with the final
		 * set of crtcs we create
		 */
		if (id == num_crtcs)
			continue;

		/*
		 * get the recommended DISPC channel for this encoder. For now,
		 * we only try to get create a crtc out of the recommended, the
		 * other possible channels to which the encoder can connect are
		 * not considered.
		 */

		mgr = omapdss_find_mgr_from_display(dssdev);
		channel = mgr->id;
		/*
		 * if this channel hasn't already been taken by a previously
		 * allocated crtc, we create a new crtc for it
		 */
		if (!channel_used(dev, channel)) {
			struct drm_plane *plane;
			struct drm_crtc *crtc;

			plane = omap_plane_init(dev, id, true);
			crtc = omap_crtc_init(dev, plane, channel, id);

			BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs));
			priv->crtcs[id] = crtc;
			priv->num_crtcs++;

			priv->planes[id] = plane;
			priv->num_planes++;

			id++;
		}
	}

	/*
	 * we have allocated crtcs according to the need of the panels/encoders,
	 * adding more crtcs here if needed
	 */
	for (; id < num_crtcs; id++) {

		/* find a free manager for this crtc */
		for (i = 0; i < num_mgrs; i++) {
			if (!channel_used(dev, i)) {
				struct drm_plane *plane;
				struct drm_crtc *crtc;

				plane = omap_plane_init(dev, id, true);
				crtc = omap_crtc_init(dev, plane, i, id);

				BUG_ON(priv->num_crtcs >=
					ARRAY_SIZE(priv->crtcs));

				priv->crtcs[id] = crtc;
				priv->num_crtcs++;

				priv->planes[id] = plane;
				priv->num_planes++;

				break;
			} else {
				continue;
			}
		}

		if (i == num_mgrs) {
			/* this shouldn't really happen */
			dev_err(dev->dev, "no managers left for crtc\n");
			return -ENOMEM;
		}
	}

	/*
	 * Create normal planes for the remaining overlays:
	 */
	for (; id < num_ovls; id++) {
		struct drm_plane *plane = omap_plane_init(dev, id, false);

		BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
		priv->planes[priv->num_planes++] = plane;
	}

	for (i = 0; i < priv->num_encoders; i++) {
		struct drm_encoder *encoder = priv->encoders[i];
		struct omap_dss_device *dssdev =
					omap_encoder_get_dssdev(encoder);
		struct omap_dss_device *output;

		output = omapdss_find_output_from_display(dssdev);

		/* figure out which crtc's we can connect the encoder to: */
		encoder->possible_crtcs = 0;
		for (id = 0; id < priv->num_crtcs; id++) {
			struct drm_crtc *crtc = priv->crtcs[id];
			enum omap_channel crtc_channel;

			crtc_channel = omap_crtc_channel(crtc);

			if (output->dispc_channel == crtc_channel) {
				encoder->possible_crtcs |= (1 << id);
				break;
			}
		}

		omap_dss_put_device(output);
	}

	DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n",
		priv->num_planes, priv->num_crtcs, priv->num_encoders,
		priv->num_connectors);

	dev->mode_config.min_width = 32;
	dev->mode_config.min_height = 32;

	/* note: eventually will need some cpu_is_omapXYZ() type stuff here
	 * to fill in these limits properly on different OMAP generations..
	 */
	dev->mode_config.max_width = 2048;
	dev->mode_config.max_height = 2048;

	dev->mode_config.funcs = &omap_mode_config_funcs;

	return 0;
}
Exemplo n.º 18
0
static int omap_modeset_init(struct drm_device *dev)
{
	struct omap_drm_private *priv = dev->dev_private;
	struct omap_dss_device *dssdev = NULL;
	int num_ovls = priv->dispc_ops->get_num_ovls();
	int num_mgrs = priv->dispc_ops->get_num_mgrs();
	int num_crtcs, crtc_idx, plane_idx;
	int ret;
	u32 plane_crtc_mask;

	drm_mode_config_init(dev);

	ret = omap_modeset_init_properties(dev);
	if (ret < 0)
		return ret;

	/*
	 * This function creates exactly one connector, encoder, crtc,
	 * and primary plane per each connected dss-device. Each
	 * connector->encoder->crtc chain is expected to be separate
	 * and each crtc is connect to a single dss-channel. If the
	 * configuration does not match the expectations or exceeds
	 * the available resources, the configuration is rejected.
	 */
	num_crtcs = 0;
	for_each_dss_dev(dssdev)
		if (omapdss_device_is_connected(dssdev))
			num_crtcs++;

	if (num_crtcs > num_mgrs || num_crtcs > num_ovls ||
	    num_crtcs > ARRAY_SIZE(priv->crtcs) ||
	    num_crtcs > ARRAY_SIZE(priv->planes) ||
	    num_crtcs > ARRAY_SIZE(priv->encoders) ||
	    num_crtcs > ARRAY_SIZE(priv->connectors)) {
		dev_err(dev->dev, "%s(): Too many connected displays\n",
			__func__);
		return -EINVAL;
	}

	/* All planes can be put to any CRTC */
	plane_crtc_mask = (1 << num_crtcs) - 1;

	dssdev = NULL;

	crtc_idx = 0;
	plane_idx = 0;
	for_each_dss_dev(dssdev) {
		struct drm_connector *connector;
		struct drm_encoder *encoder;
		struct drm_plane *plane;
		struct drm_crtc *crtc;

		if (!omapdss_device_is_connected(dssdev))
			continue;

		encoder = omap_encoder_init(dev, dssdev);
		if (!encoder)
			return -ENOMEM;

		connector = omap_connector_init(dev,
				get_connector_type(dssdev), dssdev, encoder);
		if (!connector)
			return -ENOMEM;

		plane = omap_plane_init(dev, plane_idx, DRM_PLANE_TYPE_PRIMARY,
					plane_crtc_mask);
		if (IS_ERR(plane))
			return PTR_ERR(plane);

		crtc = omap_crtc_init(dev, plane, dssdev);
		if (IS_ERR(crtc))
			return PTR_ERR(crtc);

		drm_mode_connector_attach_encoder(connector, encoder);
		encoder->possible_crtcs = (1 << crtc_idx);

		priv->crtcs[priv->num_crtcs++] = crtc;
		priv->planes[priv->num_planes++] = plane;
		priv->encoders[priv->num_encoders++] = encoder;
		priv->connectors[priv->num_connectors++] = connector;

		plane_idx++;
		crtc_idx++;
	}

	/*
	 * Create normal planes for the remaining overlays:
	 */
	for (; plane_idx < num_ovls; plane_idx++) {
		struct drm_plane *plane;

		if (WARN_ON(priv->num_planes >= ARRAY_SIZE(priv->planes)))
			return -EINVAL;

		plane = omap_plane_init(dev, plane_idx, DRM_PLANE_TYPE_OVERLAY,
			plane_crtc_mask);
		if (IS_ERR(plane))
			return PTR_ERR(plane);

		priv->planes[priv->num_planes++] = plane;
	}

	DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n",
		priv->num_planes, priv->num_crtcs, priv->num_encoders,
		priv->num_connectors);

	dev->mode_config.min_width = 8;
	dev->mode_config.min_height = 2;

	/* note: eventually will need some cpu_is_omapXYZ() type stuff here
	 * to fill in these limits properly on different OMAP generations..
	 */
	dev->mode_config.max_width = 2048;
	dev->mode_config.max_height = 2048;

	dev->mode_config.funcs = &omap_mode_config_funcs;
	dev->mode_config.helper_private = &omap_mode_config_helper_funcs;

	drm_mode_config_reset(dev);

	omap_drm_irq_install(dev);

	return 0;
}