From: Enric Balletbo i Serra <eballetbo@xxxxxxxxxxx> Add new Powertip PH480242T panel, a LCD 4.3inch (480x242) display type with 24-bit RGB interface. Signed-off-by: Enric Balletbo i Serra <eballetbo@xxxxxxxxxxx> --- drivers/video/omap2/displays/Kconfig | 7 + drivers/video/omap2/displays/Makefile | 1 + .../omap2/displays/panel-powertip-ph480272t.c | 155 ++++++++++++++++++++ 3 files changed, 163 insertions(+), 0 deletions(-) create mode 100644 drivers/video/omap2/displays/panel-powertip-ph480272t.c diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig index 12327bb..c3aa478 100644 --- a/drivers/video/omap2/displays/Kconfig +++ b/drivers/video/omap2/displays/Kconfig @@ -44,4 +44,11 @@ config PANEL_ACX565AKM select BACKLIGHT_CLASS_DEVICE help This is the LCD panel used on Nokia N900 + +config PANEL_POWERTIP_PH480272T + tristate "Powertip PH480272T LCD Panel" + depends on OMAP2_DSS + select BACKLIGHT_CLASS_DEVICE + help + LCD Panel used in IGEP boards. endmenu diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile index aa38609..3967dbc 100644 --- a/drivers/video/omap2/displays/Makefile +++ b/drivers/video/omap2/displays/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_PANEL_TAAL) += panel-taal.o obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o +obj-$(CONFIG_PANEL_POWERTIP_PH480272T) += panel-powertip-ph480272t.o diff --git a/drivers/video/omap2/displays/panel-powertip-ph480272t.c b/drivers/video/omap2/displays/panel-powertip-ph480272t.c new file mode 100644 index 0000000..d303180 --- /dev/null +++ b/drivers/video/omap2/displays/panel-powertip-ph480272t.c @@ -0,0 +1,155 @@ +/* + * LCD panel driver for Powertip PH480272T + * + * Copyright (C) 2010, ISEE 2007 SL + * Author: Enric Balletbo i Serra <eballetbo@xxxxxxxxxxx> + * + * 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/device.h> +#include <linux/err.h> + +#include <plat/display.h> + +static struct omap_video_timings ph480272t_timings = { + .x_res = 480, + .y_res = 272, + .pixel_clock = 9000, + .hsw = 40, + .hfp = 2, + .hbp = 2, + .vsw = 10, + .vfp = 2, + .vbp = 2, +}; + +static int ph480272t_power_on(struct omap_dss_device *dssdev) +{ + int r; + + r = omapdss_dpi_display_enable(dssdev); + if (r) + goto err0; + + /* wait couple of vsyncs until enabling the LCD */ + msleep(50); + + if (dssdev->platform_enable) { + r = dssdev->platform_enable(dssdev); + if (r) + goto err1; + } + + return 0; +err1: + omapdss_dpi_display_disable(dssdev); +err0: + return r; +} + +static void ph480272t_power_off(struct omap_dss_device *dssdev) +{ + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + + /* wait at least 5 vsyncs after disabling the LCD */ + msleep(100); + + omapdss_dpi_display_disable(dssdev); +} + +static int ph480272t_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 = ph480272t_timings; + + return 0; +} + +static void ph480272t_remove(struct omap_dss_device *dssdev) +{ +} + +static int ph480272t_enable(struct omap_dss_device *dssdev) +{ + int r = 0; + + r = ph480272t_power_on(dssdev); + if (r) + return r; + + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + return 0; +} + +static void ph480272t_disable(struct omap_dss_device *dssdev) +{ + ph480272t_power_off(dssdev); + + dssdev->state = OMAP_DSS_DISPLAY_DISABLED; +} + +static int ph480272t_suspend(struct omap_dss_device *dssdev) +{ + ph480272t_power_off(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; + return 0; +} + +static int ph480272t_resume(struct omap_dss_device *dssdev) +{ + int r = 0; + + r = ph480272t_power_on(dssdev); + if (r) + return r; + + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + return 0; +} + +static struct omap_dss_driver ph480272t_driver = { + .probe = ph480272t_probe, + .remove = ph480272t_remove, + .enable = ph480272t_enable, + .disable = ph480272t_disable, + .suspend = ph480272t_suspend, + .resume = ph480272t_resume, + .driver = { + .name = "ph480272t", + .owner = THIS_MODULE, + }, +}; + +static int __init ph480272t_init(void) +{ + return omap_dss_register_driver(&ph480272t_driver); +} + +static void __exit ph480272t_exit(void) +{ + omap_dss_unregister_driver(&ph480272t_driver); +} + +module_init(ph480272t_init); +module_exit(ph480272t_exit); +MODULE_LICENSE("GPL"); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
