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Diffstat (limited to 'recipes/linux/linux-omap-2.6.32/dss2/0012-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-pane.patch')
-rw-r--r--recipes/linux/linux-omap-2.6.32/dss2/0012-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-pane.patch254
1 files changed, 254 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.32/dss2/0012-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-pane.patch b/recipes/linux/linux-omap-2.6.32/dss2/0012-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-pane.patch
new file mode 100644
index 0000000000..a22f3e712f
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.32/dss2/0012-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-pane.patch
@@ -0,0 +1,254 @@
+From e09abf20005e9abf41e44e712bc600d2cb346cb5 Mon Sep 17 00:00:00 2001
+From: Steve Sakoman <steve@sakoman.com>
+Date: Thu, 17 Dec 2009 15:05:30 -0800
+Subject: [PATCH 12/16] OMAP: DSS2: Add support for LG Philips LB035Q02 panel
+
+---
+ drivers/video/omap2/displays/Kconfig | 6 +
+ drivers/video/omap2/displays/Makefile | 1 +
+ .../omap2/displays/panel-lgphilips-lb035q02.c | 206 ++++++++++++++++++++
+ 3 files changed, 213 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+
+diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
+index 79d2861..050f29c 100644
+--- a/drivers/video/omap2/displays/Kconfig
++++ b/drivers/video/omap2/displays/Kconfig
+@@ -7,6 +7,12 @@ config PANEL_GENERIC
+ Generic panel driver.
+ Used for DVI output for Beagle and OMAP3 SDP.
+
++config PANEL_LGPHILIPS_LB035Q02
++ tristate "LG.Philips LB035Q02 LCD Panel"
++ depends on OMAP2_DSS
++ help
++ LCD Panel used on Overo Palo35
++
+ config PANEL_SAMSUNG_LTE430WQ_F0C
+ tristate "Samsung LTE430WQ-F0C LCD Panel"
+ depends on OMAP2_DSS
+diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
+index d44e765..28f6f9b 100644
+--- a/drivers/video/omap2/displays/Makefile
++++ b/drivers/video/omap2/displays/Makefile
+@@ -1,4 +1,5 @@
+ obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
++obj-$(CONFIG_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o
+ obj-$(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C) += panel-samsung-lte430wq-f0c.o
+ obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+
+diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+new file mode 100644
+index 0000000..22dc865
+--- /dev/null
++++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+@@ -0,0 +1,206 @@
++/*
++ * 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 <plat/display.h>
++
++static struct spi_device *spidev;
++
++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,
++};
++
++static int lb035q02_panel_probe(struct omap_dss_device *dssdev)
++{
++ dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
++ OMAP_DSS_LCD_IHS;
++ dssdev->panel.timings = lb035q02_timings;
++
++ return 0;
++}
++
++static void lb035q02_panel_remove(struct omap_dss_device *dssdev)
++{
++}
++
++static int lb035q02_write_reg(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(spidev, &msg);
++}
++
++static int lb035q02_panel_enable(struct omap_dss_device *dssdev)
++{
++ int r = 0;
++
++ pr_info("lgphilips_lb035q02: panel_enable: 0x%08x\n", spidev);
++ /* wait couple of vsyncs until enabling the LCD */
++ msleep(50);
++
++ if (dssdev->platform_enable)
++ r = dssdev->platform_enable(dssdev);
++
++ /* Panel init sequence from page 28 of the spec */
++ lb035q02_write_reg(0x01, 0x6300);
++ lb035q02_write_reg(0x02, 0x0200);
++ lb035q02_write_reg(0x03, 0x0177);
++ lb035q02_write_reg(0x04, 0x04c7);
++ lb035q02_write_reg(0x05, 0xffc0);
++ lb035q02_write_reg(0x06, 0xe806);
++ lb035q02_write_reg(0x0a, 0x4008);
++ lb035q02_write_reg(0x0b, 0x0000);
++ lb035q02_write_reg(0x0d, 0x0030);
++ lb035q02_write_reg(0x0e, 0x2800);
++ lb035q02_write_reg(0x0f, 0x0000);
++ lb035q02_write_reg(0x16, 0x9f80);
++ lb035q02_write_reg(0x17, 0x0a0f);
++ lb035q02_write_reg(0x1e, 0x00c1);
++ lb035q02_write_reg(0x30, 0x0300);
++ lb035q02_write_reg(0x31, 0x0007);
++ lb035q02_write_reg(0x32, 0x0000);
++ lb035q02_write_reg(0x33, 0x0000);
++ lb035q02_write_reg(0x34, 0x0707);
++ lb035q02_write_reg(0x35, 0x0004);
++ lb035q02_write_reg(0x36, 0x0302);
++ lb035q02_write_reg(0x37, 0x0202);
++ lb035q02_write_reg(0x3a, 0x0a0d);
++ lb035q02_write_reg(0x3b, 0x0806);
++
++ return r;
++}
++
++static void lb035q02_panel_disable(struct omap_dss_device *dssdev)
++{
++ if (dssdev->platform_disable)
++ dssdev->platform_disable(dssdev);
++
++ /* wait at least 5 vsyncs after disabling the LCD */
++
++ msleep(100);
++}
++
++static int lb035q02_panel_suspend(struct omap_dss_device *dssdev)
++{
++ pr_info("lgphilips_lb035q02: panel_suspend\n");
++ lb035q02_panel_disable(dssdev);
++ return 0;
++}
++
++static int lb035q02_panel_resume(struct omap_dss_device *dssdev)
++{
++ pr_info("lgphilips_lb035q02: panel_resume\n");
++ return lb035q02_panel_enable(dssdev);
++}
++
++static struct omap_dss_driver lb035q02_driver = {
++ .probe = lb035q02_panel_probe,
++ .remove = lb035q02_panel_remove,
++
++ .enable = lb035q02_panel_enable,
++ .disable = lb035q02_panel_disable,
++ .suspend = lb035q02_panel_suspend,
++ .resume = lb035q02_panel_resume,
++
++ .driver = {
++ .name = "lgphilips_lb035q02_panel",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __devinit lb035q02_panel_spi_probe(struct spi_device *spi)
++{
++ spidev = spi;
++ return 0;
++}
++
++static int __devexit lb035q02_panel_spi_remove(struct spi_device *spi)
++{
++ return 0;
++}
++
++static struct spi_driver lb035q02_spi_driver = {
++ .driver = {
++ .name = "lgphilips_lb035q02_panel-spi",
++ .owner = THIS_MODULE,
++ },
++ .probe = lb035q02_panel_spi_probe,
++ .remove = __devexit_p (lb035q02_panel_spi_remove),
++};
++
++static int __init lb035q02_panel_drv_init(void)
++{
++ int ret;
++ ret = spi_register_driver(&lb035q02_spi_driver);
++ if (ret != 0)
++ pr_err("lgphilips_lb035q02: Unable to register SPI driver: %d\n", ret);
++
++ ret = omap_dss_register_driver(&lb035q02_driver);
++ if (ret != 0)
++ pr_err("lgphilips_lb035q02: Unable to register panel driver: %d\n", ret);
++
++ return ret;
++}
++
++static void __exit lb035q02_panel_drv_exit(void)
++{
++ spi_unregister_driver(&lb035q02_spi_driver);
++ omap_dss_unregister_driver(&lb035q02_driver);
++}
++
++module_init(lb035q02_panel_drv_init);
++module_exit(lb035q02_panel_drv_exit);
++MODULE_LICENSE("GPL");
+--
+1.6.2.4
+
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