From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hunyue Yau Subject: [PATCH] OMAP: 2430SDP: Support LCD display as a FB device Date: Fri, 25 May 2007 15:18:12 -0700 Message-ID: <200705251518.13137.hyau@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-omap-open-source-bounces@linux.omap.com Errors-To: linux-omap-open-source-bounces@linux.omap.com To: Linux-omap-open-source@linux.omap.com List-Id: linux-omap@vger.kernel.org Add glue to control the 2430SDP LCD as a frame buffer device using the existing dispc.c driver under omapfb. Signed-off-by: Hunyue Yau Signed-off-by: Kevin Hilman --- diff -Nurd --exclude=Image --exclude=uImage --exclude zImage --exclude vmlinux --exclude System.map --exclude Module.symvers --exclude .version --exclude asm-offsets.h --exclude mach-types.h --exclude .config --exclude .config.old --exclude bzImage --exclude autoconf.h --exclude keywords.c --exclude 'lex.*' --exclude parse.c --exclude parse.h --exclude 'zconf.*' --exclude '*.d' --exclude auto.conf --exclude kernel.release --exclude compile.h --exclude utsrelease.h --exclude version.h --exclude crc32table.h --exclude consolemap_deftbl.c --exclude defkeymap.c --exclude clut_vga16.c --exclude 'logo_*.c' --exclude '*.tmp' --exclude '.tmp_*' --exclude '.missing-*' --exclude '*.gz' --exclude='vmlinux.*' --exclude '*.s' --exclude='*.o' --exclude='*.o.cmd' --exclude '*.a' --exclude '*.ko' --exclude '*.cmd' --exclude '*.mod.c' linux-omap-2.6.orig/arch/arm/mach-omap2/board-2430sdp.c linux-omap-2.6 /arch/arm/mach-omap2/board-2430sdp.c --- linux-omap-2.6.orig/arch/arm/mach-omap2/board-2430sdp.c 2007-05-17 11:54:02.000000000 -0700 +++ linux-omap-2.6/arch/arm/mach-omap2/board-2430sdp.c 2007-05-22 14:45:26.000000000 -0700 @@ -113,6 +113,11 @@ }, }; +static struct platform_device sdp2430_lcd_device = { + .name = "sdp2430_lcd", + .id = -1, +}; + static struct platform_device sdp2430_smc91x_device = { .name = "smc91x", .id = -1, @@ -123,6 +128,7 @@ static struct platform_device *sdp2430_devices[] __initdata = { &sdp2430_smc91x_device, &sdp2430_flash_device, + &sdp2430_lcd_device, }; static struct tsc2046_platform_data tsc2046_config = { @@ -135,6 +141,10 @@ .single_channel = 0, /* 0: slave, 1: master */ }; +static struct omap_lcd_config sdp2430_lcd_config __initdata = { + .ctrl_name = "internal", +}; + static struct spi_board_info sdp2430_spi_board_info[] __initdata = { [0] = { /* @@ -221,6 +231,7 @@ static struct omap_board_config_kernel sdp2430_config[] = { {OMAP_TAG_UART, &sdp2430_uart_config}, + {OMAP_TAG_LCD, &sdp2430_lcd_config}, }; #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) diff -Nurd --exclude=Image --exclude=uImage --exclude zImage --exclude vmlinux --exclude System.map --exclude Module.symvers --exclude .version --exclude asm-offsets.h --exclude mach-types.h --exclude .config --exclude .config.old --exclude bzImage --exclude autoconf.h --exclude keywords.c --exclude 'lex.*' --exclude parse.c --exclude parse.h --exclude 'zconf.*' --exclude '*.d' --exclude auto.conf --exclude kernel.release --exclude compile.h --exclude utsrelease.h --exclude version.h --exclude crc32table.h --exclude consolemap_deftbl.c --exclude defkeymap.c --exclude clut_vga16.c --exclude 'logo_*.c' --exclude '*.tmp' --exclude '.tmp_*' --exclude '.missing-*' --exclude '*.gz' --exclude='vmlinux.*' --exclude '*.s' --exclude='*.o' --exclude='*.o.cmd' --exclude '*.a' --exclude '*.ko' --exclude '*.cmd' --exclude '*.mod.c' linux-omap-2.6.orig/drivers/video/omap/Makefile linux-omap-2.6/drivers /video/omap/Makefile --- linux-omap-2.6.orig/drivers/video/omap/Makefile 2007-05-17 11:54:35.000000000 -0700 +++ linux-omap-2.6/drivers/video/omap/Makefile 2007-05-25 12:38:05.000000000 -0700 @@ -28,6 +28,7 @@ objs-y$(CONFIG_MACH_OMAP_OSK) += lcd_osk.o objs-y$(CONFIG_MACH_OMAP_PERSEUS2) += lcd_p2.o objs-y$(CONFIG_MACH_OMAP_APOLLON) += lcd_apollon.o +objs-y$(CONFIG_MACH_OMAP_2430SDP) += lcd_2430sdp.o objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o diff -Nurd --exclude=Image --exclude=uImage --exclude zImage --exclude vmlinux --exclude System.map --exclude Module.symvers --exclude .version --exclude asm-offsets.h --exclude mach-types.h --exclude .config --exclude .config.old --exclude bzImage --exclude autoconf.h --exclude keywords.c --exclude 'lex.*' --exclude parse.c --exclude parse.h --exclude 'zconf.*' --exclude '*.d' --exclude auto.conf --exclude kernel.release --exclude compile.h --exclude utsrelease.h --exclude version.h --exclude crc32table.h --exclude consolemap_deftbl.c --exclude defkeymap.c --exclude clut_vga16.c --exclude 'logo_*.c' --exclude '*.tmp' --exclude '.tmp_*' --exclude '.missing-*' --exclude '*.gz' --exclude='vmlinux.*' --exclude '*.s' --exclude='*.o' --exclude='*.o.cmd' --exclude '*.a' --exclude '*.ko' --exclude '*.cmd' --exclude '*.mod.c' linux-omap-2.6.orig/drivers/video/omap/lcd_2430sdp.c linux-omap-2.6/dr ivers/video/omap/lcd_2430sdp.c --- linux-omap-2.6.orig/drivers/video/omap/lcd_2430sdp.c 1969-12-31 16:00:00.000000000 -0800 +++ linux-omap-2.6/drivers/video/omap/lcd_2430sdp.c 2007-05-24 18:32:24.000000000 -0700 @@ -0,0 +1,154 @@ +/* + * LCD panel support for the TI 2430SDP board + * + * Copyright (C) 2007 MontaVista + * Author: Hunyue Yau + * + * Derived from drivers/video/omap/lcd-apollon.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 + +#define LCD_PANEL_BACKLIGHT_GPIO 91 +#define LCD_PANEL_ENABLE_GPIO 154 +#define H4_LCD_PIXCLOCK_MAX 185186 /* freq 5.4 MHz */ +#define PM_RECEIVER TWL4030_MODULE_PM_RECIEVER +#define ENABLE_VAUX2_DEDICATED 0x09 +#define ENABLE_VAUX2_DEV_GRP 0x20 +#define TWL4030_VAUX2_DEV_GRP 0x1B +#define TWL4030_VAUX2_DEDICATED 0x1E +#define TWL4030_MODULE_PM_RECIEVER 0x13 + + + +#define t2_out(c, r, v) twl4030_i2c_write_u8(c, r, v) + + +static int sdp2430_panel_init(struct lcd_panel *panel, + struct omapfb_device *fbdev) +{ + omap_request_gpio(LCD_PANEL_ENABLE_GPIO); /* LCD panel */ + omap_request_gpio(LCD_PANEL_BACKLIGHT_GPIO); /* LCD backlight */ + omap_set_gpio_direction(LCD_PANEL_ENABLE_GPIO, 0); /* output */ + omap_set_gpio_direction(LCD_PANEL_BACKLIGHT_GPIO, 0); /* output */ + + return 0; +} + +static void sdp2430_panel_cleanup(struct lcd_panel *panel) +{ +} + +static int sdp2430_panel_enable(struct lcd_panel *panel) +{ + omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1); + omap_set_gpio_dataout(LCD_PANEL_BACKLIGHT_GPIO, 1); + + if(0!= t2_out(PM_RECEIVER, ENABLE_VAUX2_DEDICATED, + TWL4030_VAUX2_DEDICATED)) return -EIO; + if(0!= t2_out(PM_RECEIVER, ENABLE_VAUX2_DEV_GRP, + TWL4030_VAUX2_DEV_GRP)) return -EIO; + + return 0; +} + +static void sdp2430_panel_disable(struct lcd_panel *panel) +{ + omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0); + omap_set_gpio_dataout(LCD_PANEL_BACKLIGHT_GPIO, 0); +} + +static unsigned long sdp2430_panel_get_caps(struct lcd_panel *panel) +{ + return 0; +} + +struct lcd_panel sdp2430_panel = { + .name = "sdp2430", + .config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC | + OMAP_LCDC_INV_HSYNC, + + .bpp = 16, + .data_lines = 16, + .x_res = 240, + .y_res = 320, + .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 = H4_LCD_PIXCLOCK_MAX, + + .init = sdp2430_panel_init, + .cleanup = sdp2430_panel_cleanup, + .enable = sdp2430_panel_enable, + .disable = sdp2430_panel_disable, + .get_caps = sdp2430_panel_get_caps, +}; + +static int sdp2430_panel_probe(struct platform_device *pdev) +{ + omapfb_register_panel(&sdp2430_panel); + return 0; +} + +static int sdp2430_panel_remove(struct platform_device *pdev) +{ + return 0; +} + +static int sdp2430_panel_suspend(struct platform_device *pdev, pm_message_t mesg) +{ + return 0; +} + +static int sdp2430_panel_resume(struct platform_device *pdev) +{ + return 0; +} + +struct platform_driver sdp2430_panel_driver = { + .probe = sdp2430_panel_probe, + .remove = sdp2430_panel_remove, + .suspend = sdp2430_panel_suspend, + .resume = sdp2430_panel_resume, + .driver = { + .name = "sdp2430_lcd", + .owner = THIS_MODULE, + }, +}; + +static int __init sdp2430_panel_drv_init(void) +{ + return platform_driver_register(&sdp2430_panel_driver); +} + +static void __exit sdp2430_panel_drv_exit(void) +{ + platform_driver_unregister(&sdp2430_panel_driver); +} + +module_init(sdp2430_panel_drv_init); +module_exit(sdp2430_panel_drv_exit);