Exemplo n.º 1
0
static int hdmic_probe(struct platform_device *pdev)
{
	struct panel_drv_data *ddata;
	struct omap_dss_device *dssdev;
	int r;

	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
	if (!ddata)
		return -ENOMEM;

	platform_set_drvdata(pdev, ddata);
	ddata->dev = &pdev->dev;

	if (dev_get_platdata(&pdev->dev)) {
		r = hdmic_probe_pdata(pdev);
		if (r)
			return r;
	} else if (pdev->dev.of_node) {
		r = hdmic_probe_of(pdev);
		if (r)
			return r;
	} else {
		return -ENODEV;
	}

	if (gpio_is_valid(ddata->hpd_gpio)) {
		r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio,
				GPIOF_DIR_IN, "hdmi_hpd");
		if (r)
			goto err_reg;
	}

	ddata->timings = hdmic_default_timings;

	dssdev = &ddata->dssdev;
	dssdev->driver = &hdmic_driver;
	dssdev->dev = &pdev->dev;
	dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
	dssdev->owner = THIS_MODULE;
	dssdev->panel.timings = hdmic_default_timings;

	r = omapdss_register_display(dssdev);
	if (r) {
		dev_err(&pdev->dev, "Failed to register panel\n");
		goto err_reg;
	}

	return 0;
err_reg:
	omap_dss_put_device(ddata->in);
	return r;
}
Exemplo n.º 2
0
static int panel_dpi_probe(struct platform_device *pdev)
{
	struct panel_drv_data *ddata;
	struct omap_dss_device *dssdev;
	int r;

	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
	if (ddata == NULL)
		return -ENOMEM;

	platform_set_drvdata(pdev, ddata);

	if (dev_get_platdata(&pdev->dev)) {
		r = panel_dpi_probe_pdata(pdev);
		if (r)
			return r;
	} else if (pdev->dev.of_node) {
		r = panel_dpi_probe_of(pdev);
		if (r)
			return r;
	} else {
		return -ENODEV;
	}

	if (gpio_is_valid(ddata->backlight_gpio)) {
		r = devm_gpio_request_one(&pdev->dev, ddata->backlight_gpio,
				GPIOF_OUT_INIT_LOW, "panel backlight");
		if (r)
			goto err_gpio;
	}

	dssdev = &ddata->dssdev;
	dssdev->dev = &pdev->dev;
	dssdev->driver = &panel_dpi_ops;
	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
	dssdev->owner = THIS_MODULE;
	dssdev->panel.vm = ddata->vm;
	dssdev->phy.dpi.data_lines = ddata->data_lines;

	r = omapdss_register_display(dssdev);
	if (r) {
		dev_err(&pdev->dev, "Failed to register panel\n");
		goto err_reg;
	}

	return 0;

err_reg:
err_gpio:
	omap_dss_put_device(ddata->in);
	return r;
}
Exemplo n.º 3
0
static int acx565akm_probe(struct spi_device *spi)
{
	struct panel_drv_data *ddata;
	struct omap_dss_device *dssdev;
	struct backlight_device *bldev;
	int max_brightness, brightness;
	struct backlight_properties props;
	int r;

	dev_dbg(&spi->dev, "%s\n", __func__);

	spi->mode = SPI_MODE_3;

	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
	if (ddata == NULL)
		return -ENOMEM;

	dev_set_drvdata(&spi->dev, ddata);

	ddata->spi = spi;

	mutex_init(&ddata->mutex);

	if (dev_get_platdata(&spi->dev)) {
		r = acx565akm_probe_pdata(spi);
		if (r)
			return r;
	} else if (spi->dev.of_node) {
		r = acx565akm_probe_of(spi);
		if (r)
			return r;
	} else {
		dev_err(&spi->dev, "platform data missing!\n");
		return -ENODEV;
	}

	if (gpio_is_valid(ddata->reset_gpio)) {
		r = devm_gpio_request_one(&spi->dev, ddata->reset_gpio,
				GPIOF_OUT_INIT_LOW, "lcd reset");
		if (r)
			goto err_gpio;
	}

	if (gpio_is_valid(ddata->reset_gpio))
		gpio_set_value(ddata->reset_gpio, 1);

	/*
	 * After reset we have to wait 5 msec before the first
	 * command can be sent.
	 */
	usleep_range(5000, 10000);

	ddata->enabled = panel_enabled(ddata);

	r = panel_detect(ddata);

	if (!ddata->enabled && gpio_is_valid(ddata->reset_gpio))
		gpio_set_value(ddata->reset_gpio, 0);

	if (r) {
		dev_err(&spi->dev, "%s panel detect error\n", __func__);
		goto err_detect;
	}

	memset(&props, 0, sizeof(props));
	props.fb_blank = FB_BLANK_UNBLANK;
	props.power = FB_BLANK_UNBLANK;
	props.type = BACKLIGHT_RAW;

	bldev = backlight_device_register("acx565akm", &ddata->spi->dev,
			ddata, &acx565akm_bl_ops, &props);
	ddata->bl_dev = bldev;
	if (ddata->has_cabc) {
		r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
		if (r) {
			dev_err(&bldev->dev,
				"%s failed to create sysfs files\n", __func__);
			goto err_sysfs;
		}
		ddata->cabc_mode = get_hw_cabc_mode(ddata);
	}

	max_brightness = 255;

	if (ddata->has_bc)
		brightness = acx565akm_get_actual_brightness(ddata);
	else
		brightness = 0;

	bldev->props.max_brightness = max_brightness;
	bldev->props.brightness = brightness;

	acx565akm_bl_update_status(bldev);


	ddata->videomode = acx565akm_panel_timings;

	dssdev = &ddata->dssdev;
	dssdev->dev = &spi->dev;
	dssdev->driver = &acx565akm_ops;
	dssdev->type = OMAP_DISPLAY_TYPE_SDI;
	dssdev->owner = THIS_MODULE;
	dssdev->panel.timings = ddata->videomode;

	r = omapdss_register_display(dssdev);
	if (r) {
		dev_err(&spi->dev, "Failed to register panel\n");
		goto err_reg;
	}

	return 0;

err_reg:
	sysfs_remove_group(&bldev->dev.kobj, &bldev_attr_group);
err_sysfs:
	backlight_device_unregister(bldev);
err_detect:
err_gpio:
	omap_dss_put_device(ddata->in);
	return r;
}
Exemplo n.º 4
0
static int tpo_td043_probe(struct spi_device *spi)
{
	struct panel_drv_data *ddata;
	struct omap_dss_device *dssdev;
	int r;

	dev_dbg(&spi->dev, "%s\n", __func__);

	spi->bits_per_word = 16;
	spi->mode = SPI_MODE_0;

	r = spi_setup(spi);
	if (r < 0) {
		dev_err(&spi->dev, "spi_setup failed: %d\n", r);
		return r;
	}

	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
	if (ddata == NULL)
		return -ENOMEM;

	dev_set_drvdata(&spi->dev, ddata);

	ddata->spi = spi;

	if (!spi->dev.of_node)
		return -ENODEV;

	r = tpo_td043_probe_of(spi);
	if (r)
		return r;

	ddata->mode = TPO_R02_MODE_800x480;
	memcpy(ddata->gamma, tpo_td043_def_gamma, sizeof(ddata->gamma));

	ddata->vcc_reg = devm_regulator_get(&spi->dev, "vcc");
	if (IS_ERR(ddata->vcc_reg)) {
		dev_err(&spi->dev, "failed to get LCD VCC regulator\n");
		r = PTR_ERR(ddata->vcc_reg);
		goto err_regulator;
	}

	if (gpio_is_valid(ddata->nreset_gpio)) {
		r = devm_gpio_request_one(&spi->dev,
				ddata->nreset_gpio, GPIOF_OUT_INIT_LOW,
				"lcd reset");
		if (r < 0) {
			dev_err(&spi->dev, "couldn't request reset GPIO\n");
			goto err_gpio_req;
		}
	}

	r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group);
	if (r) {
		dev_err(&spi->dev, "failed to create sysfs files\n");
		goto err_sysfs;
	}

	ddata->videomode = tpo_td043_timings;

	dssdev = &ddata->dssdev;
	dssdev->dev = &spi->dev;
	dssdev->driver = &tpo_td043_ops;
	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
	dssdev->owner = THIS_MODULE;
	dssdev->panel.timings = ddata->videomode;

	r = omapdss_register_display(dssdev);
	if (r) {
		dev_err(&spi->dev, "Failed to register panel\n");
		goto err_reg;
	}

	return 0;

err_reg:
	sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
err_sysfs:
err_gpio_req:
err_regulator:
	omap_dss_put_device(ddata->in);
	return r;
}