diff options
Diffstat (limited to 'recipes/linux/linux-omap-psp-2.6.32/0029-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-panel.patch')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/0029-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-panel.patch | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/0029-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-panel.patch b/recipes/linux/linux-omap-psp-2.6.32/0029-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-panel.patch new file mode 100644 index 0000000000..97aa09ceda --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/0029-OMAP-DSS2-Add-support-for-LG-Philips-LB035Q02-panel.patch @@ -0,0 +1,254 @@ +From d65c7d454ff43f8955f23f324a24adf7e2d4edff Mon Sep 17 00:00:00 2001 +From: Steve Sakoman <steve@sakoman.com> +Date: Thu, 17 Dec 2009 15:05:30 -0800 +Subject: [PATCH 29/43] 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 4229a28..875250a 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 9317445..f8e6c52 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 + obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.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"); +-- +1.6.6.1 + |