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path: root/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-lgphilips-lb035q02.c')
-rw-r--r--drivers/video/omap2/displays/panel-lgphilips-lb035q02.c262
1 files changed, 0 insertions, 262 deletions
diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
deleted file mode 100644
index 6c51430ddb37..000000000000
--- a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * LCD panel driver for LG.Philips LB035Q02
- *
- * Author: 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.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#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>
-
-struct lb035q02_data {
- struct mutex lock;
-};
-
-static struct omap_video_timings lb035q02_timings = {
- .x_res = 320,
- .y_res = 240,
-
- .pixel_clock = 6500,
-
- .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_OPPOSITE_EDGES,
-};
-
-static inline struct panel_generic_dpi_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct panel_generic_dpi_data *) dssdev->data;
-}
-
-static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- int r, i;
-
- 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;
-
- for (i = 0; i < panel_data->num_gpios; ++i) {
- gpio_set_value_cansleep(panel_data->gpios[i],
- panel_data->gpio_invert[i] ? 0 : 1);
- }
-
- return 0;
-
-err0:
- return r;
-}
-
-static void lb035q02_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- int i;
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- for (i = panel_data->num_gpios - 1; i >= 0; --i) {
- gpio_set_value_cansleep(panel_data->gpios[i],
- panel_data->gpio_invert[i] ? 1 : 0);
- }
-
- omapdss_dpi_display_disable(dssdev);
-}
-
-static int lb035q02_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- struct lb035q02_data *ld;
- int r, i;
-
- if (!panel_data)
- return -EINVAL;
-
- dssdev->panel.timings = lb035q02_timings;
-
- ld = devm_kzalloc(dssdev->dev, sizeof(*ld), GFP_KERNEL);
- if (!ld)
- return -ENOMEM;
-
- for (i = 0; i < panel_data->num_gpios; ++i) {
- r = devm_gpio_request_one(dssdev->dev, panel_data->gpios[i],
- panel_data->gpio_invert[i] ?
- GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
- "panel gpio");
- if (r)
- return r;
- }
-
- mutex_init(&ld->lock);
- dev_set_drvdata(dssdev->dev, ld);
-
- return 0;
-}
-
-static void lb035q02_panel_remove(struct omap_dss_device *dssdev)
-{
-}
-
-static int lb035q02_panel_enable(struct omap_dss_device *dssdev)
-{
- struct lb035q02_data *ld = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&ld->lock);
-
- r = lb035q02_panel_power_on(dssdev);
- if (r)
- goto err;
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ld->lock);
- return 0;
-err:
- mutex_unlock(&ld->lock);
- return r;
-}
-
-static void lb035q02_panel_disable(struct omap_dss_device *dssdev)
-{
- struct lb035q02_data *ld = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&ld->lock);
-
- lb035q02_panel_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&ld->lock);
-}
-
-static struct omap_dss_driver lb035q02_driver = {
- .probe = lb035q02_panel_probe,
- .remove = lb035q02_panel_remove,
-
- .enable = lb035q02_panel_enable,
- .disable = lb035q02_panel_disable,
-
- .driver = {
- .name = "lgphilips_lb035q02_panel",
- .owner = THIS_MODULE,
- },
-};
-
-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_panel_spi_probe(struct spi_device *spi)
-{
- init_lb035q02_panel(spi);
- return omap_dss_register_driver(&lb035q02_driver);
-}
-
-static int lb035q02_panel_spi_remove(struct spi_device *spi)
-{
- omap_dss_unregister_driver(&lb035q02_driver);
- return 0;
-}
-
-static struct spi_driver lb035q02_spi_driver = {
- .driver = {
- .name = "lgphilips_lb035q02_panel-spi",
- .owner = THIS_MODULE,
- },
- .probe = lb035q02_panel_spi_probe,
- .remove = lb035q02_panel_spi_remove,
-};
-
-module_spi_driver(lb035q02_spi_driver);
-
-MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 13:57:33 +0000