diff options
Diffstat (limited to 'drivers/video/omap/lcd_ldp.c')
| -rw-r--r-- | drivers/video/omap/lcd_ldp.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/drivers/video/omap/lcd_ldp.c b/drivers/video/omap/lcd_ldp.c deleted file mode 100644 index 0624664..0000000 --- a/drivers/video/omap/lcd_ldp.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * LCD panel support for the TI LDP board - * - * Copyright (C) 2007 WindRiver - * Author: Stanley Miao <stanley.miao@windriver.com> - * - * Derived from drivers/video/omap/lcd-2430sdp.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 <linux/module.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/i2c/twl.h> - -#include <asm/gpio.h> -#include <plat/mux.h> -#include <asm/mach-types.h> - -#include "omapfb.h" - -#define LCD_PANEL_BACKLIGHT_GPIO (15 + OMAP_MAX_GPIO_LINES) -#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES) - -#define LCD_PANEL_RESET_GPIO 55 -#define LCD_PANEL_QVGA_GPIO 56 - -#ifdef CONFIG_FB_OMAP_LCD_VGA -#define LCD_XRES 480 -#define LCD_YRES 640 -#define LCD_PIXCLOCK_MAX 41700 -#else -#define LCD_XRES 240 -#define LCD_YRES 320 -#define LCD_PIXCLOCK_MAX 185186 -#endif - -#define PM_RECEIVER TWL4030_MODULE_PM_RECEIVER -#define ENABLE_VAUX2_DEDICATED 0x09 -#define ENABLE_VAUX2_DEV_GRP 0x20 -#define ENABLE_VAUX3_DEDICATED 0x03 -#define ENABLE_VAUX3_DEV_GRP 0x20 - -#define ENABLE_VPLL2_DEDICATED 0x05 -#define ENABLE_VPLL2_DEV_GRP 0xE0 -#define TWL4030_VPLL2_DEV_GRP 0x33 -#define TWL4030_VPLL2_DEDICATED 0x36 - -#define t2_out(c, r, v) twl_i2c_write_u8(c, r, v) - - -static int ldp_panel_init(struct lcd_panel *panel, - struct omapfb_device *fbdev) -{ - gpio_request(LCD_PANEL_RESET_GPIO, "lcd reset"); - gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga"); - gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd panel"); - gpio_request(LCD_PANEL_BACKLIGHT_GPIO, "lcd backlight"); - - gpio_direction_output(LCD_PANEL_QVGA_GPIO, 0); - gpio_direction_output(LCD_PANEL_RESET_GPIO, 0); - gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0); - gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0); - -#ifdef CONFIG_FB_OMAP_LCD_VGA - gpio_set_value(LCD_PANEL_QVGA_GPIO, 0); -#else - gpio_set_value(LCD_PANEL_QVGA_GPIO, 1); -#endif - gpio_set_value(LCD_PANEL_RESET_GPIO, 1); - - return 0; -} - -static void ldp_panel_cleanup(struct lcd_panel *panel) -{ - gpio_free(LCD_PANEL_BACKLIGHT_GPIO); - gpio_free(LCD_PANEL_ENABLE_GPIO); - gpio_free(LCD_PANEL_QVGA_GPIO); - gpio_free(LCD_PANEL_RESET_GPIO); -} - -static int ldp_panel_enable(struct lcd_panel *panel) -{ - if (0 != t2_out(PM_RECEIVER, ENABLE_VPLL2_DEDICATED, - TWL4030_VPLL2_DEDICATED)) - return -EIO; - if (0 != t2_out(PM_RECEIVER, ENABLE_VPLL2_DEV_GRP, - TWL4030_VPLL2_DEV_GRP)) - return -EIO; - - gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1); - gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 1); - - if (0 != t2_out(PM_RECEIVER, ENABLE_VAUX3_DEDICATED, - TWL4030_VAUX3_DEDICATED)) - return -EIO; - if (0 != t2_out(PM_RECEIVER, ENABLE_VAUX3_DEV_GRP, - TWL4030_VAUX3_DEV_GRP)) - return -EIO; - - return 0; -} - -static void ldp_panel_disable(struct lcd_panel *panel) -{ - gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0); - gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0); - - t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEDICATED); - t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEV_GRP); - msleep(4); -} - -static unsigned long ldp_panel_get_caps(struct lcd_panel *panel) -{ - return 0; -} - -struct lcd_panel ldp_panel = { - .name = "ldp", - .config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC | - OMAP_LCDC_INV_HSYNC, - - .bpp = 16, - .data_lines = 18, - .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_MAX, - - .init = ldp_panel_init, - .cleanup = ldp_panel_cleanup, - .enable = ldp_panel_enable, - .disable = ldp_panel_disable, - .get_caps = ldp_panel_get_caps, -}; - -static int ldp_panel_probe(struct platform_device *pdev) -{ - omapfb_register_panel(&ldp_panel); - return 0; -} - -static int ldp_panel_remove(struct platform_device *pdev) -{ - return 0; -} - -static int ldp_panel_suspend(struct platform_device *pdev, pm_message_t mesg) -{ - return 0; -} - -static int ldp_panel_resume(struct platform_device *pdev) -{ - return 0; -} - -struct platform_driver ldp_panel_driver = { - .probe = ldp_panel_probe, - .remove = ldp_panel_remove, - .suspend = ldp_panel_suspend, - .resume = ldp_panel_resume, - .driver = { - .name = "ldp_lcd", - .owner = THIS_MODULE, - }, -}; - -static int __init ldp_panel_drv_init(void) -{ - return platform_driver_register(&ldp_panel_driver); -} - -static void __exit ldp_panel_drv_exit(void) -{ - platform_driver_unregister(&ldp_panel_driver); -} - -module_init(ldp_panel_drv_init); -module_exit(ldp_panel_drv_exit); |