power_on ? "Enable" : "Disable", ctrl);
}
-static irqreturn_t hdmi_irq(int irq, void *dev_id)
+irqreturn_t hdmi_irq(int irq, void *dev_id)
{
struct hdmi *hdmi = dev_id;
}
/* initialize connector */
-int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
+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 = hdmi_pdev;
struct hdmi_platform_config *config;
- int ret;
+ int i, ret;
if (!pdev) {
dev_err(dev->dev, "no hdmi device\n");
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 */
goto fail;
}
- hdmi->mmio = msm_ioremap(pdev, "hdmi_msm_hdmi_addr", "HDMI");
+ hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
if (IS_ERR(hdmi->mmio)) {
ret = PTR_ERR(hdmi->mmio);
goto fail;
}
- hdmi->mvs = devm_regulator_get(&pdev->dev, "8901_hdmi_mvs");
- if (IS_ERR(hdmi->mvs))
- hdmi->mvs = devm_regulator_get(&pdev->dev, "8921_hdmi_mvs");
- if (IS_ERR(hdmi->mvs)) {
- ret = PTR_ERR(hdmi->mvs);
- dev_err(dev->dev, "failed to get mvs regulator: %d\n", ret);
- 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;
}
- hdmi->mpp0 = devm_regulator_get(&pdev->dev, "8901_mpp0");
- if (IS_ERR(hdmi->mpp0))
- hdmi->mpp0 = NULL;
+ BUG_ON(config->pwr_reg_cnt > ARRAY_SIZE(hdmi->pwr_regs));
+ for (i = 0; i < config->pwr_reg_cnt; i++) {
+ struct regulator *reg;
- hdmi->clk = devm_clk_get(&pdev->dev, "core_clk");
- if (IS_ERR(hdmi->clk)) {
- ret = PTR_ERR(hdmi->clk);
- dev_err(dev->dev, "failed to get 'clk': %d\n", ret);
- goto fail;
+ 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;
}
- hdmi->m_pclk = devm_clk_get(&pdev->dev, "master_iface_clk");
- if (IS_ERR(hdmi->m_pclk)) {
- ret = PTR_ERR(hdmi->m_pclk);
- dev_err(dev->dev, "failed to get 'm_pclk': %d\n", ret);
- goto fail;
+ 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;
}
- hdmi->s_pclk = devm_clk_get(&pdev->dev, "slave_iface_clk");
- if (IS_ERR(hdmi->s_pclk)) {
- ret = PTR_ERR(hdmi->s_pclk);
- dev_err(dev->dev, "failed to get 's_pclk': %d\n", ret);
- goto fail;
+ 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);
goto fail;
}
- 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;
- }
+ 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;
+ 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 0;
+ return hdmi;
fail:
if (hdmi) {
hdmi_destroy(&hdmi->refcount);
}
- return ret;
+ return ERR_PTR(ret);
}
/*
* The hdmi device:
*/
+#include <linux/of_gpio.h>
+
static int hdmi_dev_probe(struct platform_device *pdev)
{
static struct hdmi_platform_config config = {};
#ifdef CONFIG_OF
- /* TODO */
+ struct device_node *of_node = pdev->dev.of_node;
+
+ int get_gpio(const char *name)
+ {
+ int gpio = of_get_named_gpio(of_node, name, 0);
+ if (gpio < 0) {
+ dev_err(&pdev->dev, "failed to get gpio: %s (%d)\n",
+ name, gpio);
+ gpio = -1;
+ }
+ return gpio;
+ }
+
+ /* TODO actually use DT.. */
+ static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
+ static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
+ static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
+ static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
+
+ config.phy_init = hdmi_phy_8x74_init;
+ config.mmio_name = "core_physical";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.pwr_reg_names = pwr_reg_names;
+ config.pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
+ config.pwr_clk_names = pwr_clk_names;
+ config.pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names);
+ config.ddc_clk_gpio = get_gpio("qcom,hdmi-tx-ddc-clk");
+ config.ddc_data_gpio = get_gpio("qcom,hdmi-tx-ddc-data");
+ config.hpd_gpio = get_gpio("qcom,hdmi-tx-hpd");
+ config.mux_en_gpio = get_gpio("qcom,hdmi-tx-mux-en");
+ config.mux_sel_gpio = get_gpio("qcom,hdmi-tx-mux-sel");
+ config.shared_irq = true;
+
#else
+ static const char *hpd_clk_names[] = {
+ "core_clk", "master_iface_clk", "slave_iface_clk",
+ };
if (cpu_is_apq8064()) {
+ static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
config.phy_init = hdmi_phy_8960_init;
+ config.mmio_name = "hdmi_msm_hdmi_addr";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.ddc_clk_gpio = 70;
config.ddc_data_gpio = 71;
config.hpd_gpio = 72;
- config.pmic_gpio = 13 + NR_GPIO_IRQS;
+ config.mux_en_gpio = -1;
+ config.mux_sel_gpio = 13 + NR_GPIO_IRQS;
} else if (cpu_is_msm8960() || cpu_is_msm8960ab()) {
+ static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
config.phy_init = hdmi_phy_8960_init;
+ config.mmio_name = "hdmi_msm_hdmi_addr";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.ddc_clk_gpio = 100;
config.ddc_data_gpio = 101;
config.hpd_gpio = 102;
- config.pmic_gpio = -1;
+ config.mux_en_gpio = -1;
+ config.mux_sel_gpio = -1;
} else if (cpu_is_msm8x60()) {
+ static const char *hpd_reg_names[] = {
+ "8901_hdmi_mvs", "8901_mpp0"
+ };
config.phy_init = hdmi_phy_8x60_init;
+ config.mmio_name = "hdmi_msm_hdmi_addr";
+ config.hpd_reg_names = hpd_reg_names;
+ config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
+ config.hpd_clk_names = hpd_clk_names;
+ config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.ddc_clk_gpio = 170;
config.ddc_data_gpio = 171;
config.hpd_gpio = 172;
- config.pmic_gpio = -1;
+ config.mux_en_gpio = -1;
+ config.mux_sel_gpio = -1;
}
#endif
pdev->dev.platform_data = &config;
return 0;
}
+static const struct of_device_id dt_match[] = {
+ { .compatible = "qcom,hdmi-tx" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, dt_match);
+
static struct platform_driver hdmi_driver = {
.probe = hdmi_dev_probe,
.remove = hdmi_dev_remove,
- .driver.name = "hdmi_msm",
+ .driver = {
+ .name = "hdmi_msm",
+ .of_match_table = dt_match,
+ },
};
void __init hdmi_register(void)
projects / deliverable / linux.git / blobdiff