/* Second part of initialization, the drm/kms level modeset_init,
* constructs/initializes mode objects, etc, is called from master
* driver (not hdmi sub-device's probe/bind!)
*
* Any resource (regulator/clk/etc) which could be missing at boot
* should be handled in hdmi_init() so that failure happens from
* hdmi sub-device's probe.
*/
int hdmi_modeset_init(struct hdmi *hdmi,
struct drm_device *dev, struct drm_encoder *encoder)
{
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = hdmi->pdev;
int ret;
hdmi->dev = dev;
hdmi->encoder = encoder;
hdmi_audio_infoframe_init(&hdmi->audio.infoframe);
hdmi->bridge = hdmi_bridge_init(hdmi);
if (IS_ERR(hdmi->bridge)) {
ret = PTR_ERR(hdmi->bridge);
dev_err(dev->dev, "failed to create HDMI bridge: %d\n", ret);
hdmi->bridge = NULL;
goto fail;
}
hdmi->connector = hdmi_connector_init(hdmi);
if (IS_ERR(hdmi->connector)) {
ret = PTR_ERR(hdmi->connector);
dev_err(dev->dev, "failed to create HDMI connector: %d\n", ret);
hdmi->connector = NULL;
goto fail;
}
hdmi->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
if (hdmi->irq < 0) {
ret = hdmi->irq;
dev_err(dev->dev, "failed to get irq: %d\n", ret);
goto fail;
}
ret = devm_request_irq(&pdev->dev, hdmi->irq,
hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
"hdmi_isr", hdmi);
if (ret < 0) {
dev_err(dev->dev, "failed to request IRQ%u: %d\n",
hdmi->irq, ret);
goto fail;
}
encoder->bridge = hdmi->bridge;
priv->bridges[priv->num_bridges++] = hdmi->bridge;
priv->connectors[priv->num_connectors++] = hdmi->connector;
platform_set_drvdata(pdev, hdmi);
return 0;
fail:
/* bridge/connector are normally destroyed by drm: */
if (hdmi->bridge) {
hdmi->bridge->funcs->destroy(hdmi->bridge);
hdmi->bridge = NULL;
}
if (hdmi->connector) {
hdmi->connector->funcs->destroy(hdmi->connector);
hdmi->connector = NULL;
}
return ret;
}
/* initialize connector */
struct hdmi *hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
{
struct hdmi *hdmi = NULL;
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->hdmi_pdev;
struct hdmi_platform_config *config;
int i, ret;
if (!pdev) {
dev_err(dev->dev, "no hdmi device\n");
ret = -ENXIO;
goto fail;
}
config = pdev->dev.platform_data;
hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
if (!hdmi) {
ret = -ENOMEM;
goto fail;
}
kref_init(&hdmi->refcount);
hdmi->dev = dev;
hdmi->pdev = pdev;
hdmi->config = config;
hdmi->encoder = encoder;
/* not sure about which phy maps to which msm.. probably I miss some */
if (config->phy_init)
hdmi->phy = config->phy_init(hdmi);
else
hdmi->phy = ERR_PTR(-ENXIO);
if (IS_ERR(hdmi->phy)) {
ret = PTR_ERR(hdmi->phy);
dev_err(dev->dev, "failed to load phy: %d\n", ret);
hdmi->phy = NULL;
goto fail;
}
hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
if (IS_ERR(hdmi->mmio)) {
ret = PTR_ERR(hdmi->mmio);
goto fail;
}
BUG_ON(config->hpd_reg_cnt > ARRAY_SIZE(hdmi->hpd_regs));
for (i = 0; i < config->hpd_reg_cnt; i++) {
struct regulator *reg;
reg = devm_regulator_get(&pdev->dev, config->hpd_reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
dev_err(dev->dev, "failed to get hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
goto fail;
}
hdmi->hpd_regs[i] = reg;
}
BUG_ON(config->pwr_reg_cnt > ARRAY_SIZE(hdmi->pwr_regs));
for (i = 0; i < config->pwr_reg_cnt; i++) {
struct regulator *reg;
reg = devm_regulator_get(&pdev->dev, config->pwr_reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
dev_err(dev->dev, "failed to get pwr regulator: %s (%d)\n",
config->pwr_reg_names[i], ret);
goto fail;
}
hdmi->pwr_regs[i] = reg;
}
BUG_ON(config->hpd_clk_cnt > ARRAY_SIZE(hdmi->hpd_clks));
for (i = 0; i < config->hpd_clk_cnt; i++) {
struct clk *clk;
clk = devm_clk_get(&pdev->dev, config->hpd_clk_names[i]);
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
dev_err(dev->dev, "failed to get hpd clk: %s (%d)\n",
config->hpd_clk_names[i], ret);
goto fail;
}
hdmi->hpd_clks[i] = clk;
}
BUG_ON(config->pwr_clk_cnt > ARRAY_SIZE(hdmi->pwr_clks));
for (i = 0; i < config->pwr_clk_cnt; i++) {
struct clk *clk;
clk = devm_clk_get(&pdev->dev, config->pwr_clk_names[i]);
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
dev_err(dev->dev, "failed to get pwr clk: %s (%d)\n",
config->pwr_clk_names[i], ret);
goto fail;
}
hdmi->pwr_clks[i] = clk;
}
hdmi->i2c = hdmi_i2c_init(hdmi);
if (IS_ERR(hdmi->i2c)) {
ret = PTR_ERR(hdmi->i2c);
dev_err(dev->dev, "failed to get i2c: %d\n", ret);
hdmi->i2c = NULL;
goto fail;
}
hdmi->bridge = hdmi_bridge_init(hdmi);
if (IS_ERR(hdmi->bridge)) {
ret = PTR_ERR(hdmi->bridge);
dev_err(dev->dev, "failed to create HDMI bridge: %d\n", ret);
hdmi->bridge = NULL;
goto fail;
}
hdmi->connector = hdmi_connector_init(hdmi);
if (IS_ERR(hdmi->connector)) {
ret = PTR_ERR(hdmi->connector);
dev_err(dev->dev, "failed to create HDMI connector: %d\n", ret);
hdmi->connector = NULL;
goto fail;
}
if (!config->shared_irq) {
hdmi->irq = platform_get_irq(pdev, 0);
if (hdmi->irq < 0) {
ret = hdmi->irq;
dev_err(dev->dev, "failed to get irq: %d\n", ret);
goto fail;
}
ret = devm_request_threaded_irq(&pdev->dev, hdmi->irq,
NULL, hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
"hdmi_isr", hdmi);
if (ret < 0) {
dev_err(dev->dev, "failed to request IRQ%u: %d\n",
hdmi->irq, ret);
goto fail;
}
}
encoder->bridge = hdmi->bridge;
priv->bridges[priv->num_bridges++] = hdmi->bridge;
priv->connectors[priv->num_connectors++] = hdmi->connector;
return hdmi;
fail:
if (hdmi) {
/* bridge/connector are normally destroyed by drm: */
if (hdmi->bridge)
hdmi->bridge->funcs->destroy(hdmi->bridge);
if (hdmi->connector)
hdmi->connector->funcs->destroy(hdmi->connector);
hdmi_destroy(&hdmi->refcount);
}
return ERR_PTR(ret);
}