OMAPDSS: remove all old panel drivers

The board files now use the new panel drivers, making the old panel
drivers obsolete.

Remove the old panel drivers, Kconfig and Makefile entries, and the
panels' platform data structs.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>

1 files changed, 0 insertions, 596 deletions

diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
deleted file mode 100644
index 7729b6fa6f97..000000000000
--- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
+++ /dev/null
@@ -1,596 +0,0 @@
-/*
- * LCD panel driver for TPO TD043MTEA1
- *
- * Author: Gražvydas Ignotas <notasas@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/regulator/consumer.h>
-#include <linux/gpio.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#define TPO_R02_MODE(x)		((x) & 7)
-#define TPO_R02_MODE_800x480	7
-#define TPO_R02_NCLK_RISING	BIT(3)
-#define TPO_R02_HSYNC_HIGH	BIT(4)
-#define TPO_R02_VSYNC_HIGH	BIT(5)
-
-#define TPO_R03_NSTANDBY	BIT(0)
-#define TPO_R03_EN_CP_CLK	BIT(1)
-#define TPO_R03_EN_VGL_PUMP	BIT(2)
-#define TPO_R03_EN_PWM		BIT(3)
-#define TPO_R03_DRIVING_CAP_100	BIT(4)
-#define TPO_R03_EN_PRE_CHARGE	BIT(6)
-#define TPO_R03_SOFTWARE_CTL	BIT(7)
-
-#define TPO_R04_NFLIP_H		BIT(0)
-#define TPO_R04_NFLIP_V		BIT(1)
-#define TPO_R04_CP_CLK_FREQ_1H	BIT(2)
-#define TPO_R04_VGL_FREQ_1H	BIT(4)
-
-#define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
-			TPO_R03_EN_VGL_PUMP |  TPO_R03_EN_PWM | \
-			TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
-			TPO_R03_SOFTWARE_CTL)
-
-#define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
-			TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
-
-static const u16 tpo_td043_def_gamma[12] = {
-	105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
-};
-
-struct tpo_td043_device {
-	struct spi_device *spi;
-	struct regulator *vcc_reg;
-	int nreset_gpio;
-	u16 gamma[12];
-	u32 mode;
-	u32 hmirror:1;
-	u32 vmirror:1;
-	u32 powered_on:1;
-	u32 spi_suspended:1;
-	u32 power_on_resume:1;
-};
-
-/* used to pass spi_device from SPI to DSS portion of the driver */
-static struct tpo_td043_device *g_tpo_td043;
-
-static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
-{
-	struct spi_message	m;
-	struct spi_transfer	xfer;
-	u16			w;
-	int			r;
-
-	spi_message_init(&m);
-
-	memset(&xfer, 0, sizeof(xfer));
-
-	w = ((u16)addr << 10) | (1 << 8) | data;
-	xfer.tx_buf = &w;
-	xfer.bits_per_word = 16;
-	xfer.len = 2;
-	spi_message_add_tail(&xfer, &m);
-
-	r = spi_sync(spi, &m);
-	if (r < 0)
-		dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
-	return r;
-}
-
-static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
-{
-	u8 i, val;
-
-	/* gamma bits [9:8] */
-	for (val = i = 0; i < 4; i++)
-		val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
-	tpo_td043_write(spi, 0x11, val);
-
-	for (val = i = 0; i < 4; i++)
-		val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
-	tpo_td043_write(spi, 0x12, val);
-
-	for (val = i = 0; i < 4; i++)
-		val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
-	tpo_td043_write(spi, 0x13, val);
-
-	/* gamma bits [7:0] */
-	for (val = i = 0; i < 12; i++)
-		tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
-}
-
-static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
-{
-	u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V | \
-		TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
-	if (h)
-		reg4 &= ~TPO_R04_NFLIP_H;
-	if (v)
-		reg4 &= ~TPO_R04_NFLIP_V;
-
-	return tpo_td043_write(spi, 4, reg4);
-}
-
-static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
-	tpo_td043->hmirror = enable;
-	return tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
-			tpo_td043->vmirror);
-}
-
-static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
-	return tpo_td043->hmirror;
-}
-
-static ssize_t tpo_td043_vmirror_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->vmirror);
-}
-
-static ssize_t tpo_td043_vmirror_store(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-	int val;
-	int ret;
-
-	ret = kstrtoint(buf, 0, &val);
-	if (ret < 0)
-		return ret;
-
-	val = !!val;
-
-	ret = tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror, val);
-	if (ret < 0)
-		return ret;
-
-	tpo_td043->vmirror = val;
-
-	return count;
-}
-
-static ssize_t tpo_td043_mode_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->mode);
-}
-
-static ssize_t tpo_td043_mode_store(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-	long val;
-	int ret;
-
-	ret = kstrtol(buf, 0, &val);
-	if (ret != 0 || val & ~7)
-		return -EINVAL;
-
-	tpo_td043->mode = val;
-
-	val |= TPO_R02_NCLK_RISING;
-	tpo_td043_write(tpo_td043->spi, 2, val);
-
-	return count;
-}
-
-static ssize_t tpo_td043_gamma_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-	ssize_t len = 0;
-	int ret;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(tpo_td043->gamma); i++) {
-		ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
-				tpo_td043->gamma[i]);
-		if (ret < 0)
-			return ret;
-		len += ret;
-	}
-	buf[len - 1] = '\n';
-
-	return len;
-}
-
-static ssize_t tpo_td043_gamma_store(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-	unsigned int g[12];
-	int ret;
-	int i;
-
-	ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
-			&g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
-			&g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
-
-	if (ret != 12)
-		return -EINVAL;
-
-	for (i = 0; i < 12; i++)
-		tpo_td043->gamma[i] = g[i];
-
-	tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
-
-	return count;
-}
-
-static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
-		tpo_td043_vmirror_show, tpo_td043_vmirror_store);
-static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
-		tpo_td043_mode_show, tpo_td043_mode_store);
-static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
-		tpo_td043_gamma_show, tpo_td043_gamma_store);
-
-static struct attribute *tpo_td043_attrs[] = {
-	&dev_attr_vmirror.attr,
-	&dev_attr_mode.attr,
-	&dev_attr_gamma.attr,
-	NULL,
-};
-
-static struct attribute_group tpo_td043_attr_group = {
-	.attrs = tpo_td043_attrs,
-};
-
-static const struct omap_video_timings tpo_td043_timings = {
-	.x_res		= 800,
-	.y_res		= 480,
-
-	.pixel_clock	= 36000,
-
-	.hsw		= 1,
-	.hfp		= 68,
-	.hbp		= 214,
-
-	.vsw		= 1,
-	.vfp		= 39,
-	.vbp		= 34,
-
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.data_pclk_edge	= OMAPDSS_DRIVE_SIG_FALLING_EDGE,
-	.de_level	= OMAPDSS_SIG_ACTIVE_HIGH,
-	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
-};
-
-static inline struct panel_tpo_td043_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
-	return (struct panel_tpo_td043_data *) dssdev->data;
-}
-
-static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
-{
-	int r;
-
-	if (tpo_td043->powered_on)
-		return 0;
-
-	r = regulator_enable(tpo_td043->vcc_reg);
-	if (r != 0)
-		return r;
-
-	/* wait for panel to stabilize */
-	msleep(160);
-
-	if (gpio_is_valid(tpo_td043->nreset_gpio))
-		gpio_set_value(tpo_td043->nreset_gpio, 1);
-
-	tpo_td043_write(tpo_td043->spi, 2,
-			TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
-	tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_NORMAL);
-	tpo_td043_write(tpo_td043->spi, 0x20, 0xf0);
-	tpo_td043_write(tpo_td043->spi, 0x21, 0xf0);
-	tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
-			tpo_td043->vmirror);
-	tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
-
-	tpo_td043->powered_on = 1;
-	return 0;
-}
-
-static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043)
-{
-	if (!tpo_td043->powered_on)
-		return;
-
-	tpo_td043_write(tpo_td043->spi, 3,
-			TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
-
-	if (gpio_is_valid(tpo_td043->nreset_gpio))
-		gpio_set_value(tpo_td043->nreset_gpio, 0);
-
-	/* wait for at least 2 vsyncs before cutting off power */
-	msleep(50);
-
-	tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_STANDBY);
-
-	regulator_disable(tpo_td043->vcc_reg);
-
-	tpo_td043->powered_on = 0;
-}
-
-static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-	int r;
-
-	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
-		return 0;
-
-	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
-	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
-	r = omapdss_dpi_display_enable(dssdev);
-	if (r)
-		goto err0;
-
-	/*
-	 * If we are resuming from system suspend, SPI clocks might not be
-	 * enabled yet, so we'll program the LCD from SPI PM resume callback.
-	 */
-	if (!tpo_td043->spi_suspended) {
-		r = tpo_td043_power_on(tpo_td043);
-		if (r)
-			goto err1;
-	}
-
-	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
-	return 0;
-err1:
-	omapdss_dpi_display_disable(dssdev);
-err0:
-	return r;
-}
-
-static void tpo_td043_disable_dss(struct omap_dss_device *dssdev)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
-	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
-		return;
-
-	omapdss_dpi_display_disable(dssdev);
-
-	if (!tpo_td043->spi_suspended)
-		tpo_td043_power_off(tpo_td043);
-}
-
-static int tpo_td043_enable(struct omap_dss_device *dssdev)
-{
-	dev_dbg(dssdev->dev, "enable\n");
-
-	return tpo_td043_enable_dss(dssdev);
-}
-
-static void tpo_td043_disable(struct omap_dss_device *dssdev)
-{
-	dev_dbg(dssdev->dev, "disable\n");
-
-	tpo_td043_disable_dss(dssdev);
-
-	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static int tpo_td043_probe(struct omap_dss_device *dssdev)
-{
-	struct tpo_td043_device *tpo_td043 = g_tpo_td043;
-	struct panel_tpo_td043_data *pdata = get_panel_data(dssdev);
-	int ret = 0;
-
-	dev_dbg(dssdev->dev, "probe\n");
-
-	if (tpo_td043 == NULL) {
-		dev_err(dssdev->dev, "missing tpo_td043_device\n");
-		return -ENODEV;
-	}
-
-	if (!pdata)
-		return -EINVAL;
-
-	tpo_td043->nreset_gpio = pdata->nreset_gpio;
-
-	dssdev->panel.timings = tpo_td043_timings;
-	dssdev->ctrl.pixel_size = 24;
-
-	tpo_td043->mode = TPO_R02_MODE_800x480;
-	memcpy(tpo_td043->gamma, tpo_td043_def_gamma, sizeof(tpo_td043->gamma));
-
-	tpo_td043->vcc_reg = regulator_get(dssdev->dev, "vcc");
-	if (IS_ERR(tpo_td043->vcc_reg)) {
-		dev_err(dssdev->dev, "failed to get LCD VCC regulator\n");
-		ret = PTR_ERR(tpo_td043->vcc_reg);
-		goto fail_regulator;
-	}
-
-	if (gpio_is_valid(tpo_td043->nreset_gpio)) {
-		ret = devm_gpio_request_one(dssdev->dev,
-				tpo_td043->nreset_gpio, GPIOF_OUT_INIT_LOW,
-				"lcd reset");
-		if (ret < 0) {
-			dev_err(dssdev->dev, "couldn't request reset GPIO\n");
-			goto fail_gpio_req;
-		}
-	}
-
-	ret = sysfs_create_group(&dssdev->dev->kobj, &tpo_td043_attr_group);
-	if (ret)
-		dev_warn(dssdev->dev, "failed to create sysfs files\n");
-
-	dev_set_drvdata(dssdev->dev, tpo_td043);
-
-	return 0;
-
-fail_gpio_req:
-	regulator_put(tpo_td043->vcc_reg);
-fail_regulator:
-	kfree(tpo_td043);
-	return ret;
-}
-
-static void tpo_td043_remove(struct omap_dss_device *dssdev)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
-	dev_dbg(dssdev->dev, "remove\n");
-
-	sysfs_remove_group(&dssdev->dev->kobj, &tpo_td043_attr_group);
-	regulator_put(tpo_td043->vcc_reg);
-}
-
-static void tpo_td043_set_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	omapdss_dpi_set_timings(dssdev, timings);
-
-	dssdev->panel.timings = *timings;
-}
-
-static int tpo_td043_check_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	return dpi_check_timings(dssdev, timings);
-}
-
-static struct omap_dss_driver tpo_td043_driver = {
-	.probe		= tpo_td043_probe,
-	.remove		= tpo_td043_remove,
-
-	.enable		= tpo_td043_enable,
-	.disable	= tpo_td043_disable,
-	.set_mirror	= tpo_td043_set_hmirror,
-	.get_mirror	= tpo_td043_get_hmirror,
-
-	.set_timings	= tpo_td043_set_timings,
-	.check_timings	= tpo_td043_check_timings,
-
-	.driver         = {
-		.name	= "tpo_td043mtea1_panel",
-		.owner  = THIS_MODULE,
-	},
-};
-
-static int tpo_td043_spi_probe(struct spi_device *spi)
-{
-	struct omap_dss_device *dssdev = spi->dev.platform_data;
-	struct tpo_td043_device *tpo_td043;
-	int ret;
-
-	if (dssdev == NULL) {
-		dev_err(&spi->dev, "missing dssdev\n");
-		return -ENODEV;
-	}
-
-	if (g_tpo_td043 != NULL)
-		return -EBUSY;
-
-	spi->bits_per_word = 16;
-	spi->mode = SPI_MODE_0;
-
-	ret = spi_setup(spi);
-	if (ret < 0) {
-		dev_err(&spi->dev, "spi_setup failed: %d\n", ret);
-		return ret;
-	}
-
-	tpo_td043 = kzalloc(sizeof(*tpo_td043), GFP_KERNEL);
-	if (tpo_td043 == NULL)
-		return -ENOMEM;
-
-	tpo_td043->spi = spi;
-	dev_set_drvdata(&spi->dev, tpo_td043);
-	g_tpo_td043 = tpo_td043;
-
-	omap_dss_register_driver(&tpo_td043_driver);
-
-	return 0;
-}
-
-static int tpo_td043_spi_remove(struct spi_device *spi)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&spi->dev);
-
-	omap_dss_unregister_driver(&tpo_td043_driver);
-	kfree(tpo_td043);
-	g_tpo_td043 = NULL;
-
-	return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int tpo_td043_spi_suspend(struct device *dev)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-
-	dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", tpo_td043);
-
-	tpo_td043->power_on_resume = tpo_td043->powered_on;
-	tpo_td043_power_off(tpo_td043);
-	tpo_td043->spi_suspended = 1;
-
-	return 0;
-}
-
-static int tpo_td043_spi_resume(struct device *dev)
-{
-	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-	int ret;
-
-	dev_dbg(dev, "tpo_td043_spi_resume\n");
-
-	if (tpo_td043->power_on_resume) {
-		ret = tpo_td043_power_on(tpo_td043);
-		if (ret)
-			return ret;
-	}
-	tpo_td043->spi_suspended = 0;
-
-	return 0;
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
-	tpo_td043_spi_suspend, tpo_td043_spi_resume);
-
-static struct spi_driver tpo_td043_spi_driver = {
-	.driver = {
-		.name	= "tpo_td043mtea1_panel_spi",
-		.owner	= THIS_MODULE,
-		.pm	= &tpo_td043_spi_pm,
-	},
-	.probe	= tpo_td043_spi_probe,
-	.remove	= tpo_td043_spi_remove,
-};
-
-module_spi_driver(tpo_td043_spi_driver);
-
-MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>");
-MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
-MODULE_LICENSE("GPL");