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path: root/drivers/video/fbdev/omap2/displays-new/panel-lgphilips-lb035q02.c
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Diffstat (limited to 'drivers/video/fbdev/omap2/displays-new/panel-lgphilips-lb035q02.c')
-rw-r--r--drivers/video/fbdev/omap2/displays-new/panel-lgphilips-lb035q02.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-lgphilips-lb035q02.c b/drivers/video/fbdev/omap2/displays-new/panel-lgphilips-lb035q02.c
deleted file mode 100644
index 18eb60e9c9ec..000000000000
--- a/drivers/video/fbdev/omap2/displays-new/panel-lgphilips-lb035q02.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * LG.Philips LB035Q02 LCD Panel driver
- *
- * Copyright (C) 2013 Texas Instruments
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- * Based on a driver by: Steve Sakoman <steve@sakoman.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/mutex.h>
-#include <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-static struct omap_video_timings lb035q02_timings = {
- .x_res = 320,
- .y_res = 240,
-
- .pixelclock = 6500000,
-
- .hsw = 2,
- .hfp = 20,
- .hbp = 68,
-
- .vsw = 2,
- .vfp = 4,
- .vbp = 18,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
-};
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- struct omap_dss_device *in;
-
- struct spi_device *spi;
-
- int data_lines;
-
- struct omap_video_timings videomode;
-
- /* used for non-DT boot, to be removed */
- int backlight_gpio;
-
- struct gpio_desc *enable_gpio;
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val)
-{
- struct spi_message msg;
- struct spi_transfer index_xfer = {
- .len = 3,
- .cs_change = 1,
- };
- struct spi_transfer value_xfer = {
- .len = 3,
- };
- u8 buffer[16];
-
- spi_message_init(&msg);
-
- /* register index */
- buffer[0] = 0x70;
- buffer[1] = 0x00;
- buffer[2] = reg & 0x7f;
- index_xfer.tx_buf = buffer;
- spi_message_add_tail(&index_xfer, &msg);
-
- /* register value */
- buffer[4] = 0x72;
- buffer[5] = val >> 8;
- buffer[6] = val;
- value_xfer.tx_buf = buffer + 4;
- spi_message_add_tail(&value_xfer, &msg);
-
- return spi_sync(spi, &msg);
-}
-
-static void init_lb035q02_panel(struct spi_device *spi)
-{
- /* Init sequence from page 28 of the lb035q02 spec */
- lb035q02_write_reg(spi, 0x01, 0x6300);
- lb035q02_write_reg(spi, 0x02, 0x0200);
- lb035q02_write_reg(spi, 0x03, 0x0177);
- lb035q02_write_reg(spi, 0x04, 0x04c7);
- lb035q02_write_reg(spi, 0x05, 0xffc0);
- lb035q02_write_reg(spi, 0x06, 0xe806);
- lb035q02_write_reg(spi, 0x0a, 0x4008);
- lb035q02_write_reg(spi, 0x0b, 0x0000);
- lb035q02_write_reg(spi, 0x0d, 0x0030);
- lb035q02_write_reg(spi, 0x0e, 0x2800);
- lb035q02_write_reg(spi, 0x0f, 0x0000);
- lb035q02_write_reg(spi, 0x16, 0x9f80);
- lb035q02_write_reg(spi, 0x17, 0x0a0f);
- lb035q02_write_reg(spi, 0x1e, 0x00c1);
- lb035q02_write_reg(spi, 0x30, 0x0300);
- lb035q02_write_reg(spi, 0x31, 0x0007);
- lb035q02_write_reg(spi, 0x32, 0x0000);
- lb035q02_write_reg(spi, 0x33, 0x0000);
- lb035q02_write_reg(spi, 0x34, 0x0707);
- lb035q02_write_reg(spi, 0x35, 0x0004);
- lb035q02_write_reg(spi, 0x36, 0x0302);
- lb035q02_write_reg(spi, 0x37, 0x0202);
- lb035q02_write_reg(spi, 0x3a, 0x0a0d);
- lb035q02_write_reg(spi, 0x3b, 0x0806);
-}
-
-static int lb035q02_connect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- if (omapdss_device_is_connected(dssdev))
- return 0;
-
- r = in->ops.dpi->connect(in, dssdev);
- if (r)
- return r;
-
- init_lb035q02_panel(ddata->spi);
-
- return 0;
-}
-
-static void lb035q02_disconnect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- if (!omapdss_device_is_connected(dssdev))
- return;
-
- in->ops.dpi->disconnect(in, dssdev);
-}
-
-static int lb035q02_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- if (!omapdss_device_is_connected(dssdev))
- return -ENODEV;
-
- if (omapdss_device_is_enabled(dssdev))
- return 0;
-
- if (ddata->data_lines)
- in->ops.dpi->set_data_lines(in, ddata->data_lines);
- in->ops.dpi->set_timings(in, &ddata->videomode);
-
- r = in->ops.dpi->enable(in);
- if (r)
- return r;
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 1);
-
- if (gpio_is_valid(ddata->backlight_gpio))
- gpio_set_value_cansleep(ddata->backlight_gpio, 1);
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-}
-
-static void lb035q02_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- if (!omapdss_device_is_enabled(dssdev))
- return;
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 0);
-
- if (gpio_is_valid(ddata->backlight_gpio))
- gpio_set_value_cansleep(ddata->backlight_gpio, 0);
-
- in->ops.dpi->disable(in);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static void lb035q02_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- ddata->videomode = *timings;
- dssdev->panel.timings = *timings;
-
- in->ops.dpi->set_timings(in, timings);
-}
-
-static void lb035q02_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- *timings = ddata->videomode;
-}
-
-static int lb035q02_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- return in->ops.dpi->check_timings(in, timings);
-}
-
-static struct omap_dss_driver lb035q02_ops = {
- .connect = lb035q02_connect,
- .disconnect = lb035q02_disconnect,
-
- .enable = lb035q02_enable,
- .disable = lb035q02_disable,
-
- .set_timings = lb035q02_set_timings,
- .get_timings = lb035q02_get_timings,
- .check_timings = lb035q02_check_timings,
-
- .get_resolution = omapdss_default_get_resolution,
-};
-
-static int lb035q02_probe_pdata(struct spi_device *spi)
-{
- const struct panel_lb035q02_platform_data *pdata;
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev, *in;
- int r;
-
- pdata = dev_get_platdata(&spi->dev);
-
- in = omap_dss_find_output(pdata->source);
- if (in == NULL) {
- dev_err(&spi->dev, "failed to find video source '%s'\n",
- pdata->source);
- return -EPROBE_DEFER;
- }
-
- ddata->in = in;
-
- ddata->data_lines = pdata->data_lines;
-
- dssdev = &ddata->dssdev;
- dssdev->name = pdata->name;
-
- r = devm_gpio_request_one(&spi->dev, pdata->enable_gpio,
- GPIOF_OUT_INIT_LOW, "panel enable");
- if (r)
- goto err_gpio;
-
- ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
-
- ddata->backlight_gpio = pdata->backlight_gpio;
-
- return 0;
-err_gpio:
- omap_dss_put_device(ddata->in);
- return r;
-}
-
-static int lb035q02_probe_of(struct spi_device *spi)
-{
- struct device_node *node = spi->dev.of_node;
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *in;
- struct gpio_desc *gpio;
-
- gpio = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(gpio)) {
- dev_err(&spi->dev, "failed to parse enable gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->enable_gpio = gpio;
-
- ddata->backlight_gpio = -ENOENT;
-
- in = omapdss_of_find_source_for_first_ep(node);
- if (IS_ERR(in)) {
- dev_err(&spi->dev, "failed to find video source\n");
- return PTR_ERR(in);
- }
-
- ddata->in = in;
-
- return 0;
-}
-
-static int lb035q02_panel_spi_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- int 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 (dev_get_platdata(&spi->dev)) {
- r = lb035q02_probe_pdata(spi);
- if (r)
- return r;
- } else if (spi->dev.of_node) {
- r = lb035q02_probe_of(spi);
- if (r)
- return r;
- } else {
- return -ENODEV;
- }
-
- if (gpio_is_valid(ddata->backlight_gpio)) {
- r = devm_gpio_request_one(&spi->dev, ddata->backlight_gpio,
- GPIOF_OUT_INIT_LOW, "panel backlight");
- if (r)
- goto err_gpio;
- }
-
- ddata->videomode = lb035q02_timings;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->driver = &lb035q02_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->owner = THIS_MODULE;
- dssdev->panel.timings = ddata->videomode;
- dssdev->phy.dpi.data_lines = ddata->data_lines;
-
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->dev, "Failed to register panel\n");
- goto err_reg;
- }
-
- return 0;
-
-err_reg:
-err_gpio:
- omap_dss_put_device(ddata->in);
- return r;
-}
-
-static int lb035q02_panel_spi_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
- struct omap_dss_device *in = ddata->in;
-
- omapdss_unregister_display(dssdev);
-
- lb035q02_disable(dssdev);
- lb035q02_disconnect(dssdev);
-
- omap_dss_put_device(in);
-
- return 0;
-}
-
-static const struct of_device_id lb035q02_of_match[] = {
- { .compatible = "omapdss,lgphilips,lb035q02", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, lb035q02_of_match);
-
-static struct spi_driver lb035q02_spi_driver = {
- .probe = lb035q02_panel_spi_probe,
- .remove = lb035q02_panel_spi_remove,
- .driver = {
- .name = "panel_lgphilips_lb035q02",
- .of_match_table = lb035q02_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_spi_driver(lb035q02_spi_driver);
-
-MODULE_ALIAS("spi:lgphilips,lb035q02");
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("LG.Philips LB035Q02 LCD Panel driver");
-MODULE_LICENSE("GPL");