C++ (Cpp) tegra_panel_reset Beispiele

Beispiel #1

Datei: panel-l-720p-5.c Projekt: Packmaan7144/kernel_nvidia_s8515

static int dsi_l_720p_5_enable(struct device *dev)
{
	int err = 0;
	
	err = dsi_l_720p_5_reg_get();
	if (err < 0) {
		pr_err("dsi regulator get failed\n");
		goto fail;
	}

	err = tegra_panel_gpio_get_dt("lg,720p-5", &panel_of);
	if (err < 0) {
		/* try to request gpios from board file */
		err = dsi_l_720p_5_gpio_get();
		if (err < 0) {
			pr_err("dsi gpio request failed\n");
			goto fail;
		}
	}

	if (gpio_is_valid(panel_of.panel_gpio[TEGRA_GPIO_RESET]))
		gpio_direction_output(
			panel_of.panel_gpio[TEGRA_GPIO_RESET], 0);
	else
		gpio_direction_output(
			dsi_l_720p_5_pdata.dsi_panel_rst_gpio, 0);

	if (avdd_lcd_3v0_2v8) {
		err = regulator_enable(avdd_lcd_3v0_2v8);
		if (err < 0) {
			pr_err("avdd_lcd regulator enable failed\n");
			goto fail;
		}
		regulator_set_voltage(avdd_lcd_3v0_2v8, 2800000, 2800000);
	}

	usleep_range(3000, 5000);

	if (vdd_lcd_s_1v8) {
		err = regulator_enable(vdd_lcd_s_1v8);
		if (err < 0) {
			pr_err("vdd_lcd_1v8_s regulator enable failed\n");
			goto fail;
		}
	}
	usleep_range(3000, 5000);

	if (vdd_sys_bl_3v7) {
		err = regulator_enable(vdd_sys_bl_3v7);
		if (err < 0) {
			pr_err("vdd_sys_bl regulator enable failed\n");
			goto fail;
		}
	}
	usleep_range(3000, 5000);

#if DSI_PANEL_RESET
	err = tegra_panel_reset(&panel_of, 20);
	if (err < 0) {
		/* use platform data */
		gpio_set_value(dsi_l_720p_5_pdata.dsi_panel_rst_gpio, 1);
		usleep_range(1000, 5000);
		gpio_set_value(dsi_l_720p_5_pdata.dsi_panel_rst_gpio, 0);
		usleep_range(1000, 5000);
		gpio_set_value(dsi_l_720p_5_pdata.dsi_panel_rst_gpio, 1);
		msleep(20);
	}
#endif
	if (gpio_is_valid(panel_of.panel_gpio[TEGRA_GPIO_BL_ENABLE]))
		gpio_direction_output(
			panel_of.panel_gpio[TEGRA_GPIO_BL_ENABLE], 1);
	else
		gpio_direction_output(
			dsi_l_720p_5_pdata.dsi_panel_bl_en_gpio, 1);

	is_bl_powered = true;
	return 0;
fail:
	return err;
}

Beispiel #2

Datei: panel-s-wqxga-10-1.c Projekt: Jetson-TK1-AndroidTV/android_kernel_nvidia_aosp

static int dsi_s_wqxga_10_1_postpoweron(struct device *dev)
{
	int err = 0;

	if (machine_is_macallan())
		err = macallan_dsi_regulator_get(dev);
	else
		err = dalmore_dsi_regulator_get(dev);
	if (err < 0) {
		pr_err("dsi regulator get failed\n");
		goto fail;
	}

	err = tegra_panel_gpio_get_dt("s,wqxga-10-1", &panel_of);
	if (err < 0) {
		/* try to get gpios from board file */
		if (machine_is_macallan())
			err = macallan_dsi_gpio_get();
		else
			err = dalmore_dsi_gpio_get();
		if (err < 0) {
			pr_err("dsi gpio request failed\n");
			goto fail;
		}
	}

	if (vdd_ds_1v8) {
		err = regulator_enable(vdd_ds_1v8);
		if (err < 0) {
			pr_err("vdd_ds_1v8 regulator enable failed\n");
			goto fail;
		}
	}

	if (dvdd_lcd_1v8) {
		err = regulator_enable(dvdd_lcd_1v8);
		if (err < 0) {
			pr_err("dvdd_lcd regulator enable failed\n");
			goto fail;
		}
	}

	if (avdd_lcd_3v3) {
		err = regulator_enable(avdd_lcd_3v3);
		if (err < 0) {
			pr_err("avdd_lcd regulator enable failed\n");
			goto fail;
		}
	}

	/* panel ic requirement after vcc enable */
	msleep(260);

	if (vdd_lcd_bl) {
		err = regulator_enable(vdd_lcd_bl);
		if (err < 0) {
			pr_err("vdd_lcd_bl regulator enable failed\n");
			goto fail;
		}
	}

	if (vdd_lcd_bl_en) {
		err = regulator_enable(vdd_lcd_bl_en);
		if (err < 0) {
			pr_err("vdd_lcd_bl_en regulator enable failed\n");
			goto fail;
		}
	}

	msleep(20);
#if DSI_PANEL_RESET
	err = tegra_panel_reset(&panel_of, 20);
	if (err < 0) {
		/* use platform data */
		gpio_direction_output(
			dsi_s_wqxga_10_1_pdata.dsi_panel_rst_gpio, 1);
		usleep_range(1000, 5000);
		gpio_set_value(dsi_s_wqxga_10_1_pdata.dsi_panel_rst_gpio, 0);
		usleep_range(1000, 5000);
		gpio_set_value(dsi_s_wqxga_10_1_pdata.dsi_panel_rst_gpio, 1);
		msleep(20);
	}
#endif

	return 0;
fail:
	return err;
}