From 0e3ef44c3c56ea2b46d59ffcb230f00c49d19916 Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Fri, 16 May 2008 12:16:54 +0200 Subject: [PATCH] ARM: OMAP: This patch adds the driver to turn on the TFP410 framer to get DVI output working on the beagleboard The default resolution is 1024x768@24bit This version addresses the comments from Felipe Balbi adn Arun Edarath Signed-off-by: Koen Kooi Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-omap3beagle.c | 11 ++ drivers/video/omap/Makefile | 1 + drivers/video/omap/lcd_omap3beagle.c | 133 ++++++++++++++++++++++++ 3 files changed, 145 insertions(+) create mode 100644 drivers/video/omap/lcd_omap3beagle.c diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 0c0cbfc6cd0..c992cc77255 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -63,12 +63,23 @@ static struct platform_device omap3_beagle_twl4030rtc_device = { .id = -1, }; +static struct platform_device omap3_beagle_lcd_device = { + .name = "omap3beagle_lcd", + .id = -1, +}; + +static struct omap_lcd_config omap3_beagle_lcd_config __initdata = { + .ctrl_name = "internal", +}; + static struct omap_board_config_kernel omap3_beagle_config[] __initdata = { { OMAP_TAG_UART, &omap3_beagle_uart_config }, { OMAP_TAG_MMC, &omap3beagle_mmc_config }, + { OMAP_TAG_LCD, &omap3_beagle_lcd_config }, }; static struct platform_device *omap3_beagle_devices[] __initdata = { + &omap3_beagle_lcd_device, #ifdef CONFIG_RTC_DRV_TWL4030 &omap3_beagle_twl4030rtc_device, #endif diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile index cad6a688c8d..fe7ee5dd097 100644 --- a/drivers/video/omap/Makefile +++ b/drivers/video/omap/Makefile @@ -32,6 +32,7 @@ objs-y$(CONFIG_MACH_OMAP_APOLLON) += lcd_apollon.o objs-y$(CONFIG_MACH_OMAP_2430SDP) += lcd_2430sdp.o objs-y$(CONFIG_MACH_OMAP_3430SDP) += lcd_2430sdp.o objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o +objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o omapfb-objs := $(objs-yy) diff --git a/drivers/video/omap/lcd_omap3beagle.c b/drivers/video/omap/lcd_omap3beagle.c new file mode 100644 index 00000000000..69d4e06a943 --- /dev/null +++ b/drivers/video/omap/lcd_omap3beagle.c @@ -0,0 +1,133 @@ +/* + * LCD panel support for the TI OMAP3 Beagle board + * + * Author: Koen Kooi + * + * Derived from drivers/video/omap/lcd-omap3evm.c + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * 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, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#include +#include + +#include +#include +#include +#include + +#define LCD_PANEL_ENABLE_GPIO 170 + +#define LCD_XRES 1024 +#define LCD_YRES 768 +#define LCD_PIXCLOCK 64000 /* in kHz */ + +static int omap3beagle_panel_init(struct lcd_panel *panel, + struct omapfb_device *fbdev) +{ + omap_request_gpio(LCD_PANEL_ENABLE_GPIO); + return 0; +} + +static void omap3beagle_panel_cleanup(struct lcd_panel *panel) +{ +} + +static int omap3beagle_panel_enable(struct lcd_panel *panel) +{ + omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1); + return 0; +} + +static void omap3beagle_panel_disable(struct lcd_panel *panel) +{ + omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0); +} + +static unsigned long omap3beagle_panel_get_caps(struct lcd_panel *panel) +{ + return 0; +} + +struct lcd_panel omap3beagle_panel = { + .name = "omap3beagle", + .config = OMAP_LCDC_PANEL_TFT, + + .bpp = 24, + .data_lines = 24, + .x_res = LCD_XRES, + .y_res = LCD_YRES, + .hsw = 3, /* hsync_len (4) - 1 */ + .hfp = 3, /* right_margin (4) - 1 */ + .hbp = 39, /* left_margin (40) - 1 */ + .vsw = 1, /* vsync_len (2) - 1 */ + .vfp = 2, /* lower_margin */ + .vbp = 7, /* upper_margin (8) - 1 */ + + .pixel_clock = LCD_PIXCLOCK, + + .init = omap3beagle_panel_init, + .cleanup = omap3beagle_panel_cleanup, + .enable = omap3beagle_panel_enable, + .disable = omap3beagle_panel_disable, + .get_caps = omap3beagle_panel_get_caps, +}; + +static int omap3beagle_panel_probe(struct platform_device *pdev) +{ + omapfb_register_panel(&omap3beagle_panel); + return 0; +} + +static int omap3beagle_panel_remove(struct platform_device *pdev) +{ + return 0; +} + +static int omap3beagle_panel_suspend(struct platform_device *pdev, + pm_message_t mesg) +{ + return 0; +} + +static int omap3beagle_panel_resume(struct platform_device *pdev) +{ + return 0; +} + +struct platform_driver omap3beagle_panel_driver = { + .probe = omap3beagle_panel_probe, + .remove = omap3beagle_panel_remove, + .suspend = omap3beagle_panel_suspend, + .resume = omap3beagle_panel_resume, + .driver = { + .name = "omap3beagle_lcd", + .owner = THIS_MODULE, + }, +}; + +static int __init omap3beagle_panel_drv_init(void) +{ + return platform_driver_register(&omap3beagle_panel_driver); +} + +static void __exit omap3beagle_panel_drv_exit(void) +{ + platform_driver_unregister(&omap3beagle_panel_driver); +} + +module_init(omap3beagle_panel_drv_init); +module_exit(omap3beagle_panel_drv_exit); -- 2.41.0