From 1c64606968538396ffe87eb6da4121a5bffe5e34 Mon Sep 17 00:00:00 2001 From: Vaibhav Hiremath Date: Mon, 4 Jan 2010 15:34:15 +0100 Subject: [PATCH] OMAP: DSS2: Add Sharp LQ043T1DG01 panel driver Signed-off-by: Vaibhav Hiremath Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/displays/Kconfig | 6 + drivers/video/omap2/displays/Makefile | 1 + .../omap2/displays/panel-sharp-lq043t1dg01.c | 120 ++++++++++++++++++ 3 files changed, 127 insertions(+) create mode 100644 drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig index b12a59c9c50a..4ce47ddffd3c 100644 --- a/drivers/video/omap2/displays/Kconfig +++ b/drivers/video/omap2/displays/Kconfig @@ -13,6 +13,12 @@ config PANEL_SHARP_LS037V7DW01 help LCD Panel used in TI's SDP3430 and EVM boards +config PANEL_SHARP_LQ043T1DG01 + tristate "Sharp LQ043T1DG01 LCD Panel" + depends on OMAP2_DSS + help + LCD Panel used in TI's OMAP3517 EVM boards + config PANEL_TAAL tristate "Taal DSI Panel" depends on OMAP2_DSS_DSI diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile index 955646440b3a..8f3d0adc7612 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_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o +obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o obj-$(CONFIG_PANEL_TAAL) += panel-taal.o diff --git a/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c new file mode 100644 index 000000000000..e75798edbb59 --- /dev/null +++ b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c @@ -0,0 +1,120 @@ +/* + * LCD panel driver for Sharp LQ043T1DG01 + * + * Copyright (C) 2009 Texas Instruments Inc + * Author: Vaibhav Hiremath + * + * 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 . + */ + +#include +#include +#include +#include + +#include + +static struct omap_video_timings sharp_lq_timings = { + .x_res = 480, + .y_res = 272, + + .pixel_clock = 9000, + + .hsw = 42, + .hfp = 3, + .hbp = 2, + + .vsw = 11, + .vfp = 3, + .vbp = 2, +}; + +static int sharp_lq_panel_probe(struct omap_dss_device *dssdev) +{ + + dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO; + dssdev->panel.acb = 0x0; + dssdev->panel.timings = sharp_lq_timings; + + return 0; +} + +static void sharp_lq_panel_remove(struct omap_dss_device *dssdev) +{ +} + +static int sharp_lq_panel_enable(struct omap_dss_device *dssdev) +{ + int r = 0; + + + /* wait couple of vsyncs until enabling the LCD */ + msleep(50); + + if (dssdev->platform_enable) + r = dssdev->platform_enable(dssdev); + + return r; +} + +static void sharp_lq_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 sharp_lq_panel_suspend(struct omap_dss_device *dssdev) +{ + sharp_lq_panel_disable(dssdev); + return 0; +} + +static int sharp_lq_panel_resume(struct omap_dss_device *dssdev) +{ + return sharp_lq_panel_enable(dssdev); +} + +static struct omap_dss_driver sharp_lq_driver = { + .probe = sharp_lq_panel_probe, + .remove = sharp_lq_panel_remove, + + .enable = sharp_lq_panel_enable, + .disable = sharp_lq_panel_disable, + .suspend = sharp_lq_panel_suspend, + .resume = sharp_lq_panel_resume, + + .driver = { + .name = "sharp_lq_panel", + .owner = THIS_MODULE, + }, +}; + +static int __init sharp_lq_panel_drv_init(void) +{ + return omap_dss_register_driver(&sharp_lq_driver); +} + +static void __exit sharp_lq_panel_drv_exit(void) +{ + omap_dss_unregister_driver(&sharp_lq_driver); +} + +module_init(sharp_lq_panel_drv_init); +module_exit(sharp_lq_panel_drv_exit); +MODULE_LICENSE("GPL"); -- GitLab