static struct drm_connector *cirrus_vga_init(struct drm_device *dev)
{
struct drm_connector *connector;
struct cirrus_connector *cirrus_connector;
cirrus_connector = kzalloc(sizeof(struct cirrus_connector), GFP_KERNEL);
if (!cirrus_connector)
return NULL;
connector = &cirrus_connector->base;
drm_connector_init(dev, connector,
&cirrus_vga_connector_funcs, DRM_MODE_CONNECTOR_VGA);
drm_connector_helper_add(connector, &cirrus_vga_connector_helper_funcs);
return connector;
}
int hibmc_connector_init(struct hibmc_drm_device *hidev)
{
struct drm_device *dev = hidev->dev;
struct drm_connector *connector = &hidev->connector;
int ret;
ret = drm_connector_init(dev, connector,
&hibmc_connector_connector_funcs,
DRM_MODE_CONNECTOR_VIRTUAL);
if (ret) {
DRM_ERROR("failed to init connector\n");
return ret;
}
drm_connector_helper_add(connector,
&hibmc_connector_connector_helper_funcs);
return 0;
}
/* initialize connector */
struct drm_connector *msm_edp_connector_init(struct msm_edp *edp)
{
struct drm_connector *connector = NULL;
struct edp_connector *edp_connector;
int ret;
edp_connector = kzalloc(sizeof(*edp_connector), GFP_KERNEL);
if (!edp_connector) {
ret = -ENOMEM;
goto fail;
}
edp_connector->edp = edp;
connector = &edp_connector->base;
ret = drm_connector_init(edp->dev, connector, &edp_connector_funcs,
DRM_MODE_CONNECTOR_eDP);
if (ret)
goto fail;
drm_connector_helper_add(connector, &edp_connector_helper_funcs);
/* We don't support HPD, so only poll status until connected. */
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
/* Display driver doesn't support interlace now. */
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
ret = drm_connector_register(connector);
if (ret)
goto fail;
drm_mode_connector_attach_encoder(connector, edp->encoder);
return connector;
fail:
if (connector)
edp_connector_destroy(connector);
return ERR_PTR(ret);
}
/* initialize connector */
struct drm_connector *omap_connector_init(struct drm_device *dev,
int connector_type, struct omap_dss_device *dssdev,
struct drm_encoder *encoder)
{
struct drm_connector *connector = NULL;
struct omap_connector *omap_connector;
DBG("%s", dssdev->name);
omap_dss_get_device(dssdev);
omap_connector = kzalloc(sizeof(struct omap_connector), GFP_KERNEL);
if (!omap_connector)
goto fail;
omap_connector->dssdev = dssdev;
connector = &omap_connector->base;
drm_connector_init(dev, connector, &omap_connector_funcs,
connector_type);
drm_connector_helper_add(connector, &omap_connector_helper_funcs);
#if 0 /* enable when dss2 supports hotplug */
if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_HPD)
connector->polled = 0;
else
#endif
connector->polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
drm_connector_register(connector);
return connector;
fail:
if (connector)
omap_connector_destroy(connector);
return NULL;
}
/* initialize connector */
struct drm_connector *hdmi_connector_init(struct hdmi *hdmi)
{
struct drm_connector *connector = NULL;
struct hdmi_connector *hdmi_connector;
int ret;
hdmi_connector = kzalloc(sizeof(*hdmi_connector), GFP_KERNEL);
if (!hdmi_connector) {
ret = -ENOMEM;
goto fail;
}
hdmi_connector->hdmi = hdmi_reference(hdmi);
INIT_WORK(&hdmi_connector->hpd_work, hotplug_work);
connector = &hdmi_connector->base;
drm_connector_init(hdmi->dev, connector, &hdmi_connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
connector->polled = DRM_CONNECTOR_POLL_HPD;
connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
drm_sysfs_connector_add(connector);
ret = hpd_enable(hdmi_connector);
if (ret) {
dev_err(hdmi->dev->dev, "failed to enable HPD: %d\n", ret);
goto fail;
}
drm_mode_connector_attach_encoder(connector, hdmi->encoder);
return connector;
fail:
if (connector)
hdmi_connector_destroy(connector);
return ERR_PTR(ret);
}
int shmob_drm_connector_create(struct shmob_drm_device *sdev,
struct drm_encoder *encoder)
{
struct drm_connector *connector = &sdev->connector.connector;
int ret;
sdev->connector.encoder = encoder;
connector->display_info.width_mm = sdev->pdata->panel.width_mm;
connector->display_info.height_mm = sdev->pdata->panel.height_mm;
ret = drm_connector_init(sdev->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
goto err_cleanup;
ret = shmob_drm_backlight_init(&sdev->connector);
if (ret < 0)
goto err_sysfs;
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret < 0)
goto err_backlight;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
sdev->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
return 0;
err_backlight:
shmob_drm_backlight_exit(&sdev->connector);
err_sysfs:
drm_connector_unregister(connector);
err_cleanup:
drm_connector_cleanup(connector);
return ret;
}
static int fsl_dcu_attach_panel(struct fsl_dcu_drm_device *fsl_dev,
struct drm_panel *panel)
{
struct drm_encoder *encoder = &fsl_dev->encoder;
struct drm_connector *connector = &fsl_dev->connector.base;
struct drm_mode_config *mode_config = &fsl_dev->drm->mode_config;
int ret;
fsl_dev->connector.encoder = encoder;
ret = drm_connector_init(fsl_dev->drm, connector,
&fsl_dcu_drm_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
goto err_cleanup;
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret < 0)
goto err_sysfs;
drm_object_property_set_value(&connector->base,
mode_config->dpms_property,
DRM_MODE_DPMS_OFF);
ret = drm_panel_attach(panel, connector);
if (ret) {
dev_err(fsl_dev->dev, "failed to attach panel\n");
goto err_sysfs;
}
return 0;
err_sysfs:
drm_connector_unregister(connector);
err_cleanup:
drm_connector_cleanup(connector);
return ret;
}
int udl_connector_init(struct drm_device *dev, struct drm_encoder *encoder)
{
struct drm_connector *connector;
connector = kzalloc(sizeof(struct drm_connector), GFP_KERNEL);
if (!connector)
return -ENOMEM;
drm_connector_init(dev, connector, &udl_connector_funcs, DRM_MODE_CONNECTOR_DVII);
drm_connector_helper_add(connector, &udl_connector_helper_funcs);
drm_sysfs_connector_add(connector);
drm_mode_connector_attach_encoder(connector, encoder);
drm_connector_attach_property(connector,
dev->mode_config.dirty_info_property,
1);
return 0;
}
/* initialize connector */
struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev,
struct drm_panel *panel, struct drm_encoder *encoder)
{
struct drm_connector *connector = NULL;
struct mdp4_lvds_connector *mdp4_lvds_connector;
int ret;
mdp4_lvds_connector = kzalloc(sizeof(*mdp4_lvds_connector), GFP_KERNEL);
if (!mdp4_lvds_connector) {
ret = -ENOMEM;
goto fail;
}
mdp4_lvds_connector->encoder = encoder;
mdp4_lvds_connector->panel = panel;
connector = &mdp4_lvds_connector->base;
drm_connector_init(dev, connector, &mdp4_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
drm_connector_helper_add(connector, &mdp4_lvds_connector_helper_funcs);
connector->polled = 0;
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
drm_connector_register(connector);
drm_mode_connector_attach_encoder(connector, encoder);
if (panel)
drm_panel_attach(panel, connector);
return connector;
fail:
if (connector)
mdp4_lvds_connector_destroy(connector);
return ERR_PTR(ret);
}
static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index)
{
struct drm_device *dev = vgdev->ddev;
struct virtio_gpu_output *output = vgdev->outputs + index;
struct drm_connector *connector = &output->conn;
struct drm_encoder *encoder = &output->enc;
struct drm_crtc *crtc = &output->crtc;
struct drm_plane *primary, *cursor;
output->index = index;
if (index == 0) {
output->info.enabled = cpu_to_le32(true);
output->info.r.width = cpu_to_le32(XRES_DEF);
output->info.r.height = cpu_to_le32(YRES_DEF);
}
primary = virtio_gpu_plane_init(vgdev, DRM_PLANE_TYPE_PRIMARY, index);
if (IS_ERR(primary))
return PTR_ERR(primary);
cursor = virtio_gpu_plane_init(vgdev, DRM_PLANE_TYPE_CURSOR, index);
if (IS_ERR(cursor))
return PTR_ERR(cursor);
drm_crtc_init_with_planes(dev, crtc, primary, cursor,
&virtio_gpu_crtc_funcs, NULL);
drm_crtc_helper_add(crtc, &virtio_gpu_crtc_helper_funcs);
drm_connector_init(dev, connector, &virtio_gpu_connector_funcs,
DRM_MODE_CONNECTOR_VIRTUAL);
drm_connector_helper_add(connector, &virtio_gpu_conn_helper_funcs);
if (vgdev->has_edid)
drm_connector_attach_edid_property(connector);
drm_encoder_init(dev, encoder, &virtio_gpu_enc_funcs,
DRM_MODE_ENCODER_VIRTUAL, NULL);
drm_encoder_helper_add(encoder, &virtio_gpu_enc_helper_funcs);
encoder->possible_crtcs = 1 << index;
drm_connector_attach_encoder(connector, encoder);
drm_connector_register(connector);
return 0;
}
int rcar_du_hdmi_connector_init(struct rcar_du_device *rcdu,
struct rcar_du_encoder *renc)
{
struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
struct rcar_du_connector *rcon;
struct drm_connector *connector;
int ret;
rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
if (rcon == NULL)
return -ENOMEM;
connector = &rcon->connector;
connector->display_info.width_mm = 0;
connector->display_info.height_mm = 0;
connector->interlace_allowed = true;
connector->polled = DRM_CONNECTOR_POLL_HPD;
ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
return ret;
connector->dpms = DRM_MODE_DPMS_OFF;
drm_object_property_set_value(&connector->base,
rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret < 0)
return ret;
rcon->encoder = renc;
return 0;
}
int rcar_du_hdmi_connector_init(struct rcar_du_device *rcdu,
struct rcar_du_encoder *renc)
{
struct rcar_du_connector *rcon;
struct drm_connector *connector;
int ret;
rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
if (rcon == NULL)
return -ENOMEM;
connector = &rcon->connector;
connector->polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
connector->interlace_allowed = true;
ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_sysfs_connector_add(connector);
if (ret < 0)
return ret;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
ret = drm_mode_connector_attach_encoder(connector, renc->encoder);
if (ret < 0)
return ret;
connector->encoder = renc->encoder;
rcon->encoder = renc;
return 0;
}
int mxsfb_create_output(struct drm_device *drm)
{
struct mxsfb_drm_private *mxsfb = drm->dev_private;
struct drm_panel *panel;
int ret;
ret = drm_of_find_panel_or_bridge(drm->dev->of_node, 0, 0, &panel, NULL);
if (ret)
return ret;
mxsfb->connector.dpms = DRM_MODE_DPMS_OFF;
mxsfb->connector.polled = 0;
drm_connector_helper_add(&mxsfb->connector,
&mxsfb_panel_connector_helper_funcs);
ret = drm_connector_init(drm, &mxsfb->connector,
&mxsfb_panel_connector_funcs,
DRM_MODE_CONNECTOR_Unknown);
if (!ret)
mxsfb->panel = panel;
return ret;
}
struct drm_connector *meson_cvbs_connector_create(struct drm_device *dev,
bool enabled,
struct drm_display_mode *mode)
{
struct meson_connector *meson_connector;
struct drm_connector *connector;
struct drm_encoder *encoder;
int ret;
encoder = meson_encoder_create(dev);
if (!encoder)
return NULL;
meson_connector = kzalloc(sizeof(*meson_connector), GFP_KERNEL);
if (!meson_connector)
return NULL;
connector = &meson_connector->base;
meson_connector->encoder = encoder;
meson_connector->enabled = enabled;
meson_connector->mode = mode;
drm_connector_init(dev, connector, &meson_connector_funcs, DRM_MODE_CONNECTOR_Composite);
drm_connector_helper_add(connector, &meson_connector_helper_funcs);
connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret)
goto fail;
drm_connector_register(connector);
return connector;
fail:
meson_connector_destroy(connector);
return NULL;
}
static int imx_ldb_register(struct drm_device *drm,
struct imx_ldb_channel *imx_ldb_ch)
{
struct imx_ldb *ldb = imx_ldb_ch->ldb;
int ret;
ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->encoder,
imx_ldb_ch->child);
if (ret)
return ret;
ret = imx_ldb_get_clk(ldb, imx_ldb_ch->chno);
if (ret)
return ret;
if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) {
ret = imx_ldb_get_clk(ldb, 1);
if (ret)
return ret;
}
drm_encoder_helper_add(&imx_ldb_ch->encoder,
&imx_ldb_encoder_helper_funcs);
drm_encoder_init(drm, &imx_ldb_ch->encoder, &imx_ldb_encoder_funcs,
DRM_MODE_ENCODER_LVDS);
drm_connector_helper_add(&imx_ldb_ch->connector,
&imx_ldb_connector_helper_funcs);
drm_connector_init(drm, &imx_ldb_ch->connector,
&imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
if (imx_ldb_ch->panel)
drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector);
drm_mode_connector_attach_encoder(&imx_ldb_ch->connector,
&imx_ldb_ch->encoder);
return 0;
}
static int dw_mipi_dsi_register(struct drm_device *drm,
struct dw_mipi_dsi *dsi)
{
struct drm_encoder *encoder = &dsi->encoder;
struct drm_connector *connector = &dsi->connector;
struct device *dev = dsi->dev;
int ret;
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm,
dev->of_node);
/*
* If we failed to find the CRTC(s) which this encoder is
* supposed to be connected to, it's because the CRTC has
* not been registered yet. Defer probing, and hope that
* the required CRTC is added later.
*/
if (encoder->possible_crtcs == 0)
return -EPROBE_DEFER;
drm_encoder_helper_add(&dsi->encoder,
&dw_mipi_dsi_encoder_helper_funcs);
ret = drm_encoder_init(drm, &dsi->encoder, &dw_mipi_dsi_encoder_funcs,
DRM_MODE_ENCODER_DSI, NULL);
if (ret) {
dev_err(dev, "Failed to initialize encoder with drm\n");
return ret;
}
drm_connector_helper_add(connector,
&dw_mipi_dsi_connector_helper_funcs);
drm_connector_init(drm, &dsi->connector,
&dw_mipi_dsi_atomic_connector_funcs,
DRM_MODE_CONNECTOR_DSI);
drm_mode_connector_attach_encoder(connector, encoder);
return 0;
}
int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
struct rcar_du_encoder *renc)
{
struct rcar_du_connector *rcon;
struct drm_connector *connector;
int ret;
rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
if (rcon == NULL)
return -ENOMEM;
connector = &rcon->connector;
connector->display_info.width_mm = 0;
connector->display_info.height_mm = 0;
ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_VGA);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
return ret;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
if (ret < 0)
return ret;
connector->encoder = &renc->encoder;
rcon->encoder = renc;
return 0;
}
static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index)
{
struct drm_device *dev = vgdev->ddev;
struct virtio_gpu_output *output = vgdev->outputs + index;
struct drm_connector *connector = &output->conn;
struct drm_encoder *encoder = &output->enc;
struct drm_crtc *crtc = &output->crtc;
struct drm_plane *plane;
output->index = index;
if (index == 0) {
output->info.enabled = cpu_to_le32(true);
output->info.r.width = cpu_to_le32(XRES_DEF);
output->info.r.height = cpu_to_le32(YRES_DEF);
}
plane = virtio_gpu_plane_init(vgdev, index);
if (IS_ERR(plane))
return PTR_ERR(plane);
drm_crtc_init_with_planes(dev, crtc, plane, NULL,
&virtio_gpu_crtc_funcs, NULL);
drm_mode_crtc_set_gamma_size(crtc, 256);
drm_crtc_helper_add(crtc, &virtio_gpu_crtc_helper_funcs);
plane->crtc = crtc;
drm_connector_init(dev, connector, &virtio_gpu_connector_funcs,
DRM_MODE_CONNECTOR_VIRTUAL);
drm_connector_helper_add(connector, &virtio_gpu_conn_helper_funcs);
drm_encoder_init(dev, encoder, &virtio_gpu_enc_funcs,
DRM_MODE_ENCODER_VIRTUAL, NULL);
drm_encoder_helper_add(encoder, &virtio_gpu_enc_helper_funcs);
encoder->possible_crtcs = 1 << index;
drm_mode_connector_attach_encoder(connector, encoder);
drm_connector_register(connector);
return 0;
}
static struct drm_connector *panel_connector_create(struct drm_device *dev,
struct panel_module *mod, struct drm_encoder *encoder)
{
struct panel_connector *panel_connector;
struct drm_connector *connector;
int ret;
panel_connector = kzalloc(sizeof(*panel_connector), GFP_KERNEL);
if (!panel_connector) {
dev_err(dev->dev, "allocation failed\n");
return NULL;
}
panel_connector->encoder = encoder;
panel_connector->mod = mod;
connector = &panel_connector->base;
drm_connector_init(dev, connector, &panel_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
drm_connector_helper_add(connector, &panel_connector_helper_funcs);
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret)
goto fail;
drm_sysfs_connector_add(connector);
return connector;
fail:
panel_connector_destroy(connector);
return NULL;
}
static int tilcdc_add_external_connector(struct drm_device *dev,
struct drm_connector *connector)
{
struct tilcdc_drm_private *priv = dev->dev_private;
struct drm_connector_helper_funcs *connector_funcs;
/* There should never be more than one connector */
if (WARN_ON(priv->external_connector))
return -EINVAL;
priv->external_connector = connector;
connector_funcs = devm_kzalloc(dev->dev, sizeof(*connector_funcs),
GFP_KERNEL);
if (!connector_funcs)
return -ENOMEM;
/* connector->helper_private contains always struct
* connector_helper_funcs pointer. For tilcdc crtc to have a
* say if a specific mode is Ok, we need to install our own
* helper functions. In our helper functions we copy
* everything else but use our own mode_valid() (above).
*/
if (connector->helper_private) {
priv->connector_funcs = connector->helper_private;
*connector_funcs = *priv->connector_funcs;
} else {
priv->connector_funcs = ERR_PTR(-ENOENT);
}
connector_funcs->mode_valid = tilcdc_external_mode_valid;
drm_connector_helper_add(connector, connector_funcs);
dev_dbg(dev->dev, "External connector '%s' connected\n",
connector->name);
return 0;
}
int ptn3460_init(struct drm_device *dev, struct drm_encoder *encoder,
struct i2c_client *client, struct device_node *node)
{
int ret;
struct drm_bridge *bridge;
struct ptn3460_bridge *ptn_bridge;
bridge = devm_kzalloc(dev->dev, sizeof(*bridge), GFP_KERNEL);
if (!bridge) {
DRM_ERROR("Failed to allocate drm bridge\n");
return -ENOMEM;
}
ptn_bridge = devm_kzalloc(dev->dev, sizeof(*ptn_bridge), GFP_KERNEL);
if (!ptn_bridge) {
DRM_ERROR("Failed to allocate ptn bridge\n");
return -ENOMEM;
}
ptn_bridge->client = client;
ptn_bridge->encoder = encoder;
ptn_bridge->bridge = bridge;
ptn_bridge->gpio_pd_n = of_get_named_gpio(node, "powerdown-gpio", 0);
if (gpio_is_valid(ptn_bridge->gpio_pd_n)) {
ret = gpio_request_one(ptn_bridge->gpio_pd_n,
GPIOF_OUT_INIT_HIGH, "PTN3460_PD_N");
if (ret) {
DRM_ERROR("Request powerdown-gpio failed (%d)\n", ret);
return ret;
}
}
ptn_bridge->gpio_rst_n = of_get_named_gpio(node, "reset-gpio", 0);
if (gpio_is_valid(ptn_bridge->gpio_rst_n)) {
/*
* Request the reset pin low to avoid the bridge being
* initialized prematurely
*/
ret = gpio_request_one(ptn_bridge->gpio_rst_n,
GPIOF_OUT_INIT_LOW, "PTN3460_RST_N");
if (ret) {
DRM_ERROR("Request reset-gpio failed (%d)\n", ret);
gpio_free(ptn_bridge->gpio_pd_n);
return ret;
}
}
ret = of_property_read_u32(node, "edid-emulation",
&ptn_bridge->edid_emulation);
if (ret) {
DRM_ERROR("Can't read edid emulation value\n");
goto err;
}
ret = drm_bridge_init(dev, bridge, &ptn3460_bridge_funcs);
if (ret) {
DRM_ERROR("Failed to initialize bridge with drm\n");
goto err;
}
bridge->driver_private = ptn_bridge;
encoder->bridge = bridge;
ret = drm_connector_init(dev, &ptn_bridge->connector,
&ptn3460_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
if (ret) {
DRM_ERROR("Failed to initialize connector with drm\n");
goto err;
}
drm_connector_helper_add(&ptn_bridge->connector,
&ptn3460_connector_helper_funcs);
drm_connector_register(&ptn_bridge->connector);
drm_mode_connector_attach_encoder(&ptn_bridge->connector, encoder);
return 0;
err:
if (gpio_is_valid(ptn_bridge->gpio_pd_n))
gpio_free(ptn_bridge->gpio_pd_n);
if (gpio_is_valid(ptn_bridge->gpio_rst_n))
gpio_free(ptn_bridge->gpio_rst_n);
return ret;
}
/* create connector */
struct drm_connector *
xilinx_drm_connector_create(struct drm_device *drm,
struct drm_encoder *base_encoder, int id)
{
struct xilinx_drm_connector *connector;
const char *string;
int type = DRM_MODE_CONNECTOR_Unknown;
int i, ret;
connector = devm_kzalloc(drm->dev, sizeof(*connector), GFP_KERNEL);
if (!connector)
return ERR_PTR(-ENOMEM);
connector->base.polled = DRM_CONNECTOR_POLL_HPD |
DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
ret = of_property_read_string_index(drm->dev->of_node,
"xlnx,connector-type", id, &string);
if (ret < 0) {
dev_err(drm->dev, "No connector type in DT\n");
return ERR_PTR(ret);
}
for (i = 0; i < ARRAY_SIZE(connector_types); i++)
if (strcmp(connector_types[i].name, string) == 0) {
type = connector_types[i].type;
break;
}
if (type == DRM_MODE_CONNECTOR_Unknown) {
dev_err(drm->dev, "Unknown connector type in DT\n");
return ERR_PTR(-EINVAL);
}
ret = drm_connector_init(drm, &connector->base,
&xilinx_drm_connector_funcs, type);
if (ret) {
DRM_ERROR("failed to initialize connector\n");
return ERR_PTR(ret);
}
drm_connector_helper_add(&connector->base,
&xilinx_drm_connector_helper_funcs);
/* add entry for connector */
ret = drm_connector_register(&connector->base);
if (ret) {
DRM_ERROR("failed to register a connector\n");
goto err_register;
}
/* connect connector and encoder */
ret = drm_connector_attach_encoder(&connector->base, base_encoder);
if (ret) {
DRM_ERROR("failed to attach connector to encoder\n");
goto err_attach;
}
connector->encoder = base_encoder;
connector->base.dpms = DRM_MODE_DPMS_OFF;
return &connector->base;
err_attach:
drm_connector_unregister(&connector->base);
err_register:
drm_connector_cleanup(&connector->base);
return ERR_PTR(ret);
}
static int sun4i_hdmi_bind(struct device *dev, struct device *master,
void *data)
{
struct platform_device *pdev = to_platform_device(dev);
struct drm_device *drm = data;
struct sun4i_drv *drv = drm->dev_private;
struct sun4i_hdmi *hdmi;
struct resource *res;
u32 reg;
int ret;
hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
if (!hdmi)
return -ENOMEM;
dev_set_drvdata(dev, hdmi);
hdmi->dev = dev;
hdmi->drv = drv;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hdmi->base = devm_ioremap_resource(dev, res);
if (IS_ERR(hdmi->base)) {
dev_err(dev, "Couldn't map the HDMI encoder registers\n");
return PTR_ERR(hdmi->base);
}
hdmi->bus_clk = devm_clk_get(dev, "ahb");
if (IS_ERR(hdmi->bus_clk)) {
dev_err(dev, "Couldn't get the HDMI bus clock\n");
return PTR_ERR(hdmi->bus_clk);
}
clk_prepare_enable(hdmi->bus_clk);
hdmi->mod_clk = devm_clk_get(dev, "mod");
if (IS_ERR(hdmi->mod_clk)) {
dev_err(dev, "Couldn't get the HDMI mod clock\n");
ret = PTR_ERR(hdmi->mod_clk);
goto err_disable_bus_clk;
}
clk_prepare_enable(hdmi->mod_clk);
hdmi->pll0_clk = devm_clk_get(dev, "pll-0");
if (IS_ERR(hdmi->pll0_clk)) {
dev_err(dev, "Couldn't get the HDMI PLL 0 clock\n");
ret = PTR_ERR(hdmi->pll0_clk);
goto err_disable_mod_clk;
}
hdmi->pll1_clk = devm_clk_get(dev, "pll-1");
if (IS_ERR(hdmi->pll1_clk)) {
dev_err(dev, "Couldn't get the HDMI PLL 1 clock\n");
ret = PTR_ERR(hdmi->pll1_clk);
goto err_disable_mod_clk;
}
ret = sun4i_tmds_create(hdmi);
if (ret) {
dev_err(dev, "Couldn't create the TMDS clock\n");
goto err_disable_mod_clk;
}
writel(SUN4I_HDMI_CTRL_ENABLE, hdmi->base + SUN4I_HDMI_CTRL_REG);
writel(SUN4I_HDMI_PAD_CTRL0_TXEN | SUN4I_HDMI_PAD_CTRL0_CKEN |
SUN4I_HDMI_PAD_CTRL0_PWENG | SUN4I_HDMI_PAD_CTRL0_PWEND |
SUN4I_HDMI_PAD_CTRL0_PWENC | SUN4I_HDMI_PAD_CTRL0_LDODEN |
SUN4I_HDMI_PAD_CTRL0_LDOCEN | SUN4I_HDMI_PAD_CTRL0_BIASEN,
hdmi->base + SUN4I_HDMI_PAD_CTRL0_REG);
/*
* We can't just initialize the register there, we need to
* protect the clock bits that have already been read out and
* cached by the clock framework.
*/
reg = readl(hdmi->base + SUN4I_HDMI_PAD_CTRL1_REG);
reg &= SUN4I_HDMI_PAD_CTRL1_HALVE_CLK;
reg |= SUN4I_HDMI_PAD_CTRL1_REG_AMP(6) |
SUN4I_HDMI_PAD_CTRL1_REG_EMP(2) |
SUN4I_HDMI_PAD_CTRL1_REG_DENCK |
SUN4I_HDMI_PAD_CTRL1_REG_DEN |
SUN4I_HDMI_PAD_CTRL1_EMPCK_OPT |
SUN4I_HDMI_PAD_CTRL1_EMP_OPT |
SUN4I_HDMI_PAD_CTRL1_AMPCK_OPT |
SUN4I_HDMI_PAD_CTRL1_AMP_OPT;
writel(reg, hdmi->base + SUN4I_HDMI_PAD_CTRL1_REG);
reg = readl(hdmi->base + SUN4I_HDMI_PLL_CTRL_REG);
reg &= SUN4I_HDMI_PLL_CTRL_DIV_MASK;
reg |= SUN4I_HDMI_PLL_CTRL_VCO_S(8) | SUN4I_HDMI_PLL_CTRL_CS(7) |
SUN4I_HDMI_PLL_CTRL_CP_S(15) | SUN4I_HDMI_PLL_CTRL_S(7) |
SUN4I_HDMI_PLL_CTRL_VCO_GAIN(4) | SUN4I_HDMI_PLL_CTRL_SDIV2 |
SUN4I_HDMI_PLL_CTRL_LDO2_EN | SUN4I_HDMI_PLL_CTRL_LDO1_EN |
SUN4I_HDMI_PLL_CTRL_HV_IS_33 | SUN4I_HDMI_PLL_CTRL_BWS |
SUN4I_HDMI_PLL_CTRL_PLL_EN;
writel(reg, hdmi->base + SUN4I_HDMI_PLL_CTRL_REG);
ret = sun4i_hdmi_i2c_create(dev, hdmi);
if (ret) {
dev_err(dev, "Couldn't create the HDMI I2C adapter\n");
goto err_disable_mod_clk;
}
drm_encoder_helper_add(&hdmi->encoder,
&sun4i_hdmi_helper_funcs);
ret = drm_encoder_init(drm,
&hdmi->encoder,
&sun4i_hdmi_funcs,
DRM_MODE_ENCODER_TMDS,
NULL);
if (ret) {
dev_err(dev, "Couldn't initialise the HDMI encoder\n");
goto err_del_i2c_adapter;
}
hdmi->encoder.possible_crtcs = drm_of_find_possible_crtcs(drm,
dev->of_node);
if (!hdmi->encoder.possible_crtcs) {
ret = -EPROBE_DEFER;
goto err_del_i2c_adapter;
}
#ifdef CONFIG_DRM_SUN4I_HDMI_CEC
hdmi->cec_adap = cec_pin_allocate_adapter(&sun4i_hdmi_cec_pin_ops,
hdmi, "sun4i", CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS |
CEC_CAP_PASSTHROUGH | CEC_CAP_RC);
ret = PTR_ERR_OR_ZERO(hdmi->cec_adap);
if (ret < 0)
goto err_cleanup_connector;
writel(readl(hdmi->base + SUN4I_HDMI_CEC) & ~SUN4I_HDMI_CEC_TX,
hdmi->base + SUN4I_HDMI_CEC);
#endif
drm_connector_helper_add(&hdmi->connector,
&sun4i_hdmi_connector_helper_funcs);
ret = drm_connector_init(drm, &hdmi->connector,
&sun4i_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
if (ret) {
dev_err(dev,
"Couldn't initialise the HDMI connector\n");
goto err_cleanup_connector;
}
/* There is no HPD interrupt, so we need to poll the controller */
hdmi->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
ret = cec_register_adapter(hdmi->cec_adap, dev);
if (ret < 0)
goto err_cleanup_connector;
drm_mode_connector_attach_encoder(&hdmi->connector, &hdmi->encoder);
return 0;
err_cleanup_connector:
cec_delete_adapter(hdmi->cec_adap);
drm_encoder_cleanup(&hdmi->encoder);
err_del_i2c_adapter:
i2c_del_adapter(hdmi->i2c);
err_disable_mod_clk:
clk_disable_unprepare(hdmi->mod_clk);
err_disable_bus_clk:
clk_disable_unprepare(hdmi->bus_clk);
return ret;
}
void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_connector *connector;
struct intel_encoder *intel_encoder;
struct intel_connector *intel_connector;
struct intel_hdmi *intel_hdmi;
int i;
intel_hdmi = kzalloc(sizeof(struct intel_hdmi), GFP_KERNEL);
if (!intel_hdmi)
return;
intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
if (!intel_connector) {
kfree(intel_hdmi);
return;
}
intel_encoder = &intel_hdmi->base;
drm_encoder_init(dev, &intel_encoder->base, &intel_hdmi_enc_funcs,
DRM_MODE_ENCODER_TMDS);
connector = &intel_connector->base;
drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
intel_encoder->type = INTEL_OUTPUT_HDMI;
connector->polled = DRM_CONNECTOR_POLL_HPD;
connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
/* Set up the DDC bus. */
if (sdvox_reg == SDVOB) {
intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == SDVOC) {
intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMIB) {
intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMIC) {
intel_encoder->clone_mask = (1 << INTEL_HDMIE_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMID) {
intel_encoder->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == DDI_BUF_CTL(PORT_B)) {
DRM_DEBUG_DRIVER("LPT: detected output on DDI B\n");
intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
intel_hdmi->ddi_port = PORT_B;
dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == DDI_BUF_CTL(PORT_C)) {
DRM_DEBUG_DRIVER("LPT: detected output on DDI C\n");
intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
intel_hdmi->ddi_port = PORT_C;
dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == DDI_BUF_CTL(PORT_D)) {
DRM_DEBUG_DRIVER("LPT: detected output on DDI D\n");
intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
intel_hdmi->ddi_port = PORT_D;
dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
} else {
/* If we got an unknown sdvox_reg, things are pretty much broken
* in a way that we should let the kernel know about it */
BUG();
}
intel_hdmi->sdvox_reg = sdvox_reg;
if (!HAS_PCH_SPLIT(dev)) {
intel_hdmi->write_infoframe = g4x_write_infoframe;
I915_WRITE(VIDEO_DIP_CTL, 0);
} else if (IS_VALLEYVIEW(dev)) {
intel_hdmi->write_infoframe = vlv_write_infoframe;
for_each_pipe(i)
I915_WRITE(VLV_TVIDEO_DIP_CTL(i), 0);
} else if (IS_HASWELL(dev)) {
/* FIXME: Haswell has a new set of DIP frame registers, but we are
* just doing the minimal required for HDMI to work at this stage.
*/
intel_hdmi->write_infoframe = hsw_write_infoframe;
for_each_pipe(i)
I915_WRITE(HSW_TVIDEO_DIP_CTL(i), 0);
} else if (HAS_PCH_IBX(dev)) {
intel_hdmi->write_infoframe = ibx_write_infoframe;
for_each_pipe(i)
I915_WRITE(TVIDEO_DIP_CTL(i), 0);
} else {
intel_hdmi->write_infoframe = cpt_write_infoframe;
for_each_pipe(i)
I915_WRITE(TVIDEO_DIP_CTL(i), 0);
}
if (IS_HASWELL(dev))
drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs_hsw);
else
drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
intel_hdmi_add_properties(intel_hdmi, connector);
intel_connector_attach_encoder(intel_connector, intel_encoder);
drm_sysfs_connector_add(connector);
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
* 0xd. Failure to do so will result in spurious interrupts being
* generated on the port when a cable is not attached.
*/
if (IS_G4X(dev) && !IS_GM45(dev)) {
u32 temp = I915_READ(PEG_BAND_GAP_DATA);
I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
}
void cdv_intel_crt_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev)
{
struct gma_connector *gma_connector;
struct gma_encoder *gma_encoder;
struct drm_connector *connector;
struct drm_encoder *encoder;
u32 i2c_reg;
gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
if (!gma_encoder)
return;
gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
if (!gma_connector)
goto failed_connector;
connector = &gma_connector->base;
connector->polled = DRM_CONNECTOR_POLL_HPD;
drm_connector_init(dev, connector,
&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
encoder = &gma_encoder->base;
drm_encoder_init(dev, encoder,
&cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC, NULL);
gma_connector_attach_encoder(gma_connector, gma_encoder);
/* Set up the DDC bus. */
i2c_reg = GPIOA;
/* Remove the following code for CDV */
/*
if (dev_priv->crt_ddc_bus != 0)
i2c_reg = dev_priv->crt_ddc_bus;
}*/
gma_encoder->ddc_bus = psb_intel_i2c_create(dev,
i2c_reg, "CRTDDC_A");
if (!gma_encoder->ddc_bus) {
dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
"failed.\n");
goto failed_ddc;
}
gma_encoder->type = INTEL_OUTPUT_ANALOG;
/*
psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
*/
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
drm_connector_helper_add(connector,
&cdv_intel_crt_connector_helper_funcs);
drm_connector_register(connector);
return;
failed_ddc:
drm_encoder_cleanup(&gma_encoder->base);
drm_connector_cleanup(&gma_connector->base);
kfree(gma_connector);
failed_connector:
kfree(gma_encoder);
return;
}
int vkms_output_init(struct vkms_device *vkmsdev)
{
struct vkms_output *output = &vkmsdev->output;
struct drm_device *dev = &vkmsdev->drm;
struct drm_connector *connector = &output->connector;
struct drm_encoder *encoder = &output->encoder;
struct drm_crtc *crtc = &output->crtc;
struct drm_plane *primary, *cursor = NULL;
int ret;
primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY);
if (IS_ERR(primary))
return PTR_ERR(primary);
if (enable_cursor) {
cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR);
if (IS_ERR(cursor)) {
ret = PTR_ERR(cursor);
goto err_cursor;
}
}
ret = vkms_crtc_init(dev, crtc, primary, cursor);
if (ret)
goto err_crtc;
ret = drm_connector_init(dev, connector, &vkms_connector_funcs,
DRM_MODE_CONNECTOR_VIRTUAL);
if (ret) {
DRM_ERROR("Failed to init connector\n");
goto err_connector;
}
drm_connector_helper_add(connector, &vkms_conn_helper_funcs);
ret = drm_connector_register(connector);
if (ret) {
DRM_ERROR("Failed to register connector\n");
goto err_connector_register;
}
ret = drm_encoder_init(dev, encoder, &vkms_encoder_funcs,
DRM_MODE_ENCODER_VIRTUAL, NULL);
if (ret) {
DRM_ERROR("Failed to init encoder\n");
goto err_encoder;
}
encoder->possible_crtcs = 1;
ret = drm_connector_attach_encoder(connector, encoder);
if (ret) {
DRM_ERROR("Failed to attach connector to encoder\n");
goto err_attach;
}
drm_mode_config_reset(dev);
return 0;
err_attach:
drm_encoder_cleanup(encoder);
err_encoder:
drm_connector_unregister(connector);
err_connector_register:
drm_connector_cleanup(connector);
err_connector:
drm_crtc_cleanup(crtc);
err_crtc:
if (enable_cursor)
drm_plane_cleanup(cursor);
err_cursor:
drm_plane_cleanup(primary);
return ret;
}
void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_connector *connector;
struct intel_output *intel_output;
struct intel_hdmi_priv *hdmi_priv;
intel_output = kcalloc(sizeof(struct intel_output) +
sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL);
if (!intel_output)
return;
hdmi_priv = (struct intel_hdmi_priv *)(intel_output + 1);
connector = &intel_output->base;
drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
intel_output->type = INTEL_OUTPUT_HDMI;
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
intel_output->crtc_mask = (1 << 0) | (1 << 1);
if (sdvox_reg == SDVOB) {
intel_output->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == SDVOC) {
intel_output->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMIB) {
intel_output->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOE,
"HDMIB");
dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMIC) {
intel_output->clone_mask = (1 << INTEL_HDMIE_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOD,
"HDMIC");
dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMID) {
intel_output->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOF,
"HDMID");
dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
}
if (!intel_output->ddc_bus)
goto err_connector;
hdmi_priv->sdvox_reg = sdvox_reg;
intel_output->dev_priv = hdmi_priv;
drm_encoder_init(dev, &intel_output->enc, &intel_hdmi_enc_funcs,
DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(&intel_output->enc, &intel_hdmi_helper_funcs);
drm_mode_connector_attach_encoder(&intel_output->base,
&intel_output->enc);
drm_sysfs_connector_add(connector);
if (IS_G4X(dev) && !IS_GM45(dev)) {
u32 temp = I915_READ(PEG_BAND_GAP_DATA);
I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
return;
err_connector:
drm_connector_cleanup(connector);
kfree(intel_output);
return;
}
bool intel_dsi_init(struct drm_device *dev)
{
struct intel_dsi *intel_dsi;
struct intel_encoder *intel_encoder;
struct drm_encoder *encoder;
struct intel_connector *intel_connector;
struct drm_connector *connector;
struct drm_display_mode *fixed_mode = NULL;
const struct intel_dsi_device *dsi;
unsigned int i;
DRM_DEBUG_KMS("\n");
intel_dsi = kzalloc(sizeof(*intel_dsi), GFP_KERNEL);
if (!intel_dsi)
return false;
intel_connector = kzalloc(sizeof(*intel_connector), GFP_KERNEL);
if (!intel_connector) {
kfree(intel_dsi);
return false;
}
intel_encoder = &intel_dsi->base;
encoder = &intel_encoder->base;
intel_dsi->attached_connector = intel_connector;
connector = &intel_connector->base;
drm_encoder_init(dev, encoder, &intel_dsi_funcs, DRM_MODE_ENCODER_DSI);
/* XXX: very likely not all of these are needed */
intel_encoder->hot_plug = intel_dsi_hot_plug;
intel_encoder->compute_config = intel_dsi_compute_config;
intel_encoder->pre_pll_enable = intel_dsi_pre_pll_enable;
intel_encoder->pre_enable = intel_dsi_pre_enable;
intel_encoder->enable = intel_dsi_enable;
intel_encoder->mode_set = intel_dsi_mode_set;
intel_encoder->disable = intel_dsi_disable;
intel_encoder->post_disable = intel_dsi_post_disable;
intel_encoder->get_hw_state = intel_dsi_get_hw_state;
intel_encoder->get_config = intel_dsi_get_config;
intel_connector->get_hw_state = intel_connector_get_hw_state;
for (i = 0; i < ARRAY_SIZE(intel_dsi_devices); i++) {
dsi = &intel_dsi_devices[i];
intel_dsi->dev = *dsi;
if (dsi->dev_ops->init(&intel_dsi->dev))
break;
}
if (i == ARRAY_SIZE(intel_dsi_devices)) {
DRM_DEBUG_KMS("no device found\n");
goto err;
}
intel_encoder->type = INTEL_OUTPUT_DSI;
intel_encoder->crtc_mask = (1 << 0); /* XXX */
intel_encoder->cloneable = false;
drm_connector_init(dev, connector, &intel_dsi_connector_funcs,
DRM_MODE_CONNECTOR_DSI);
drm_connector_helper_add(connector, &intel_dsi_connector_helper_funcs);
connector->display_info.subpixel_order = SubPixelHorizontalRGB; /*XXX*/
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
intel_connector_attach_encoder(intel_connector, intel_encoder);
drm_sysfs_connector_add(connector);
fixed_mode = dsi->dev_ops->get_modes(&intel_dsi->dev);
if (!fixed_mode) {
DRM_DEBUG_KMS("no fixed mode\n");
goto err;
}
fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
intel_panel_init(&intel_connector->panel, fixed_mode);
return true;
err:
drm_encoder_cleanup(&intel_encoder->base);
kfree(intel_dsi);
kfree(intel_connector);
return false;
}
struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
struct drm_encoder *encoder)
{
struct exynos_drm_connector *exynos_connector;
struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
struct drm_connector *connector;
int type;
int err;
DRM_DEBUG_KMS("%s\n", __FILE__);
exynos_connector = kzalloc(sizeof(*exynos_connector), GFP_KERNEL);
if (!exynos_connector) {
DRM_ERROR("failed to allocate connector\n");
return NULL;
}
connector = &exynos_connector->drm_connector;
switch (manager->display_ops->type) {
case EXYNOS_DISPLAY_TYPE_HDMI:
type = DRM_MODE_CONNECTOR_HDMIA;
connector->interlace_allowed = true;
connector->polled = DRM_CONNECTOR_POLL_HPD;
break;
case EXYNOS_DISPLAY_TYPE_LCD:
type = DRM_MODE_CONNECTOR_LVDS;
break;
case EXYNOS_DISPLAY_TYPE_VIDI:
type = DRM_MODE_CONNECTOR_VIRTUAL;
connector->polled = DRM_CONNECTOR_POLL_HPD;
break;
default:
type = DRM_MODE_CONNECTOR_Unknown;
break;
}
drm_connector_init(dev, connector, &exynos_connector_funcs, type);
drm_connector_helper_add(connector, &exynos_connector_helper_funcs);
err = drm_sysfs_connector_add(connector);
if (err)
goto err_connector;
exynos_connector->encoder_id = encoder->base.id;
exynos_connector->manager = manager;
connector->encoder = encoder;
err = drm_mode_connector_attach_encoder(connector, encoder);
if (err) {
DRM_ERROR("failed to attach a connector to a encoder\n");
goto err_sysfs;
}
DRM_DEBUG_KMS("connector has been created\n");
return connector;
err_sysfs:
drm_sysfs_connector_remove(connector);
err_connector:
drm_connector_cleanup(connector);
kfree(exynos_connector);
return NULL;
}
void cdv_hdmi_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev, int reg)
{
struct gma_encoder *gma_encoder;
struct gma_connector *gma_connector;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct mid_intel_hdmi_priv *hdmi_priv;
int ddc_bus;
gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
if (!gma_encoder)
return;
gma_connector = kzalloc(sizeof(struct gma_connector),
GFP_KERNEL);
if (!gma_connector)
goto err_connector;
hdmi_priv = kzalloc(sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL);
if (!hdmi_priv)
goto err_priv;
connector = &gma_connector->base;
connector->polled = DRM_CONNECTOR_POLL_HPD;
gma_connector->save = cdv_hdmi_save;
gma_connector->restore = cdv_hdmi_restore;
encoder = &gma_encoder->base;
drm_connector_init(dev, connector,
&cdv_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_DVID);
drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
gma_connector_attach_encoder(gma_connector, gma_encoder);
gma_encoder->type = INTEL_OUTPUT_HDMI;
hdmi_priv->hdmi_reg = reg;
hdmi_priv->has_hdmi_sink = false;
gma_encoder->dev_priv = hdmi_priv;
drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs);
drm_connector_helper_add(connector,
&cdv_hdmi_connector_helper_funcs);
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
drm_object_attach_property(&connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
switch (reg) {
case SDVOB:
ddc_bus = GPIOE;
gma_encoder->ddi_select = DDI0_SELECT;
break;
case SDVOC:
ddc_bus = GPIOD;
gma_encoder->ddi_select = DDI1_SELECT;
break;
default:
DRM_ERROR("unknown reg 0x%x for HDMI\n", reg);
goto failed_ddc;
break;
}
gma_encoder->i2c_bus = psb_intel_i2c_create(dev,
ddc_bus, (reg == SDVOB) ? "HDMIB" : "HDMIC");
if (!gma_encoder->i2c_bus) {
dev_err(dev->dev, "No ddc adapter available!\n");
goto failed_ddc;
}
hdmi_priv->hdmi_i2c_adapter = &(gma_encoder->i2c_bus->adapter);
hdmi_priv->dev = dev;
drm_connector_register(connector);
return;
failed_ddc:
drm_encoder_cleanup(encoder);
drm_connector_cleanup(connector);
err_priv:
kfree(gma_connector);
err_connector:
kfree(gma_encoder);
}