C++ (Cpp) mdss_dsi_pinctrl_init Examples

Example #1

File: mdss_dsi.c Project: netqer/android_kernel_N958St

static int mdss_dsi_ctrl_probe(struct platform_device *pdev)
{
	int rc = 0, i = 0;
	u32 index;
	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
	struct device_node *dsi_pan_node = NULL;
	char panel_cfg[MDSS_MAX_PANEL_LEN];
	const char *ctrl_name;
	bool cmd_cfg_cont_splash = true;
	struct mdss_panel_cfg *pan_cfg = NULL;

	if (!mdss_is_ready()) {
		pr_err("%s: MDP not probed yet!\n", __func__);
		return -EPROBE_DEFER;
	}

	if (!pdev->dev.of_node) {
		pr_err("DSI driver only supports device tree probe\n");
		return -ENOTSUPP;
	}

	pan_cfg = mdss_panel_intf_type(MDSS_PANEL_INTF_HDMI);
	if (IS_ERR(pan_cfg)) {
		return PTR_ERR(pan_cfg);
	} else if (pan_cfg) {
		pr_debug("%s: HDMI is primary\n", __func__);
		return -ENODEV;
	}

	ctrl_pdata = platform_get_drvdata(pdev);
	if (!ctrl_pdata) {
		ctrl_pdata = devm_kzalloc(&pdev->dev,
					  sizeof(struct mdss_dsi_ctrl_pdata),
					  GFP_KERNEL);
		if (!ctrl_pdata) {
			pr_err("%s: FAILED: cannot alloc dsi ctrl\n",
			       __func__);
			rc = -ENOMEM;
			goto error_no_mem;
		}
		platform_set_drvdata(pdev, ctrl_pdata);
	}

	ctrl_name = of_get_property(pdev->dev.of_node, "label", NULL);
	if (!ctrl_name)
		pr_info("%s:%d, DSI Ctrl name not specified\n",
			__func__, __LINE__);
	else
		pr_info("%s: DSI Ctrl name = %s\n",
			__func__, ctrl_name);

	rc = of_property_read_u32(pdev->dev.of_node,
				  "cell-index", &index);
	if (rc) {
		dev_err(&pdev->dev,
			"%s: Cell-index not specified, rc=%d\n",
			__func__, rc);
		goto error_no_mem;
	}

	if (index == 0)
		pdev->id = 1;
	else
		pdev->id = 2;

	rc = of_platform_populate(pdev->dev.of_node,
				  NULL, NULL, &pdev->dev);
	if (rc) {
		dev_err(&pdev->dev,
			"%s: failed to add child nodes, rc=%d\n",
			__func__, rc);
		goto error_no_mem;
	}

	rc = mdss_dsi_pinctrl_init(pdev);
	if (rc)
		pr_warn("%s: failed to get pin resources\n", __func__);

	/* Parse the regulator information */
	for (i = 0; i < DSI_MAX_PM; i++) {
		rc = mdss_dsi_get_dt_vreg_data(&pdev->dev,
			&ctrl_pdata->power_data[i], i);
		if (rc) {
			DEV_ERR("%s: '%s' get_dt_vreg_data failed.rc=%d\n",
				__func__, __mdss_dsi_pm_name(i), rc);
			goto error_vreg;
		}
	}

	/* DSI panels can be different between controllers */
	rc = mdss_dsi_get_panel_cfg(panel_cfg);
	if (!rc)
		/* dsi panel cfg not present */
		pr_warn("%s:%d:dsi specific cfg not present\n",
			__func__, __LINE__);

	/* find panel device node */
	dsi_pan_node = mdss_dsi_find_panel_of_node(pdev, panel_cfg);
	if (!dsi_pan_node) {
		pr_err("%s: can't find panel node %s\n", __func__, panel_cfg);
		goto error_pan_node;
	}

	cmd_cfg_cont_splash = mdss_panel_get_boot_cfg() ? true : false;

	rc = mdss_dsi_panel_init(dsi_pan_node, ctrl_pdata, cmd_cfg_cont_splash);
	if (rc) {
		pr_err("%s: dsi panel init failed\n", __func__);
		goto error_pan_node;
	}

	rc = dsi_panel_device_register(dsi_pan_node, ctrl_pdata);
	if (rc) {
		pr_err("%s: dsi panel dev reg failed\n", __func__);
		goto error_pan_node;
	}
#ifdef CONFIG_ZTEMT_LCD_ESD_TE_CHECK
/*esd check faild check,mayu add*/
//printk("lcd:%s disp_te_gpio=%d\n",__func__,ctrl_pdata->disp_te_gpio);
	ctrl_pdata->lcd_te_irq = gpio_to_irq(ctrl_pdata->disp_te_gpio);
	rc = request_irq(ctrl_pdata->lcd_te_irq, zte_lcd_te_irq_handler, \
			  IRQF_TRIGGER_RISING|IRQF_TRIGGER_FALLING, "LCD_TE", ctrl_pdata);
	 if (rc < 0) {
		 printk("lcd:%s : request_irq failed\n", __func__);
	 }
#endif

	pr_debug("%s: Dsi Ctrl->%d initialized\n", __func__, index);
	return 0;

error_pan_node:
	of_node_put(dsi_pan_node);
error_vreg:
	for (; i >= 0; i--)
		mdss_dsi_put_dt_vreg_data(&pdev->dev,
			&ctrl_pdata->power_data[i]);
error_no_mem:
	devm_kfree(&pdev->dev, ctrl_pdata);

	return rc;
}

Example #2

File: mdss_dsi.c Project: SiddheshK15/kernel_htc_820

static int mdss_dsi_ctrl_probe(struct platform_device *pdev)
{
	int rc = 0, i = 0;
	u32 index;
	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
	struct device_node *dsi_pan_node = NULL;
	char panel_cfg[MDSS_MAX_PANEL_LEN];
	const char *ctrl_name;
	bool cmd_cfg_cont_splash = true;
	struct mdss_panel_cfg *pan_cfg = NULL;

	if (!mdss_is_ready()) {
		pr_err("%s: MDP not probed yet!\n", __func__);
		return -EPROBE_DEFER;
	}

	if (!pdev->dev.of_node) {
		pr_err("DSI driver only supports device tree probe\n");
		return -ENOTSUPP;
	}

	pan_cfg = mdss_panel_intf_type(MDSS_PANEL_INTF_HDMI);
	if (IS_ERR(pan_cfg)) {
		return PTR_ERR(pan_cfg);
	} else if (pan_cfg) {
		pr_debug("%s: HDMI is primary\n", __func__);
		return -ENODEV;
	}

	ctrl_pdata = platform_get_drvdata(pdev);
	if (!ctrl_pdata) {
		ctrl_pdata = devm_kzalloc(&pdev->dev,
					  sizeof(struct mdss_dsi_ctrl_pdata),
					  GFP_KERNEL);
		if (!ctrl_pdata) {
			pr_err("%s: FAILED: cannot alloc dsi ctrl\n",
			       __func__);
			rc = -ENOMEM;
			goto error_no_mem;
		}
		platform_set_drvdata(pdev, ctrl_pdata);
	}

	ctrl_name = of_get_property(pdev->dev.of_node, "label", NULL);
	if (!ctrl_name)
		pr_info("%s:%d, DSI Ctrl name not specified\n",
			__func__, __LINE__);
	else
		pr_info("%s: DSI Ctrl name = %s\n",
			__func__, ctrl_name);

	rc = of_property_read_u32(pdev->dev.of_node,
				  "cell-index", &index);
	if (rc) {
		dev_err(&pdev->dev,
			"%s: Cell-index not specified, rc=%d\n",
			__func__, rc);
		goto error_no_mem;
	}

	if (index == 0)
		pdev->id = 1;
	else
		pdev->id = 2;

	rc = of_platform_populate(pdev->dev.of_node,
				  NULL, NULL, &pdev->dev);
	if (rc) {
		dev_err(&pdev->dev,
			"%s: failed to add child nodes, rc=%d\n",
			__func__, rc);
		goto error_no_mem;
	}

	rc = mdss_dsi_pinctrl_init(pdev);
	if (rc)
		pr_warn("%s: failed to get pin resources\n", __func__);

	
	for (i = 0; i < DSI_MAX_PM; i++) {
		rc = mdss_dsi_get_dt_vreg_data(&pdev->dev,
			&ctrl_pdata->power_data[i], i);
		if (rc) {
			DEV_ERR("%s: '%s' get_dt_vreg_data failed.rc=%d\n",
				__func__, __mdss_dsi_pm_name(i), rc);
			goto error_vreg;
		}
	}

	
	rc = mdss_dsi_get_panel_cfg(panel_cfg);
	if (!rc)
		
		pr_warn("%s:%d:dsi specific cfg not present\n",
			__func__, __LINE__);

	
	dsi_pan_node = mdss_dsi_find_panel_of_node(pdev, panel_cfg);
	if (!dsi_pan_node) {
		pr_err("%s: can't find panel node %s\n", __func__, panel_cfg);
		goto error_pan_node;
	}

	cmd_cfg_cont_splash = mdss_panel_get_boot_cfg() ? true : false;

	rc = mdss_dsi_panel_init(dsi_pan_node, ctrl_pdata, cmd_cfg_cont_splash);
	if (rc) {
		pr_err("%s: dsi panel init failed\n", __func__);
		goto error_pan_node;
	}

	rc = dsi_panel_device_register(dsi_pan_node, ctrl_pdata);
	if (rc) {
		pr_err("%s: dsi panel dev reg failed\n", __func__);
		goto error_pan_node;
	}

	pr_debug("%s: Dsi Ctrl->%d initialized\n", __func__, index);
	return 0;

error_pan_node:
	of_node_put(dsi_pan_node);
error_vreg:
	for (; i >= 0; i--)
		mdss_dsi_put_dt_vreg_data(&pdev->dev,
			&ctrl_pdata->power_data[i]);
error_no_mem:
	devm_kfree(&pdev->dev, ctrl_pdata);

	return rc;
}