| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * File: arch/arm/plat-omap/fb.c |
| 3 | * |
| 4 | * Framebuffer device registration for TI OMAP platforms |
| 5 | * |
| 6 | * Copyright (C) 2006 Nokia Corporation |
| 7 | * Author: Imre Deak <imre.deak@nokia.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License as published by the |
| 11 | * Free Software Foundation; either version 2 of the License, or (at your |
| 12 | * option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 22 | */ |
| 23 | |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/mm.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/platform_device.h> |
| 29 | #include <linux/memblock.h> |
| 30 | #include <linux/io.h> |
| 31 | #include <linux/omapfb.h> |
| 32 | |
| 33 | #include <mach/hardware.h> |
| 34 | #include <asm/mach/map.h> |
| 35 | |
| 36 | #include <plat/board.h> |
| 37 | |
| 38 | #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) |
| 39 | |
| 40 | static bool omapfb_lcd_configured; |
| 41 | static struct omapfb_platform_data omapfb_config; |
| 42 | |
| 43 | static u64 omap_fb_dma_mask = ~(u32)0; |
| 44 | |
| 45 | static struct platform_device omap_fb_device = { |
| 46 | .name = "omapfb", |
| 47 | .id = -1, |
| 48 | .dev = { |
| 49 | .dma_mask = &omap_fb_dma_mask, |
| 50 | .coherent_dma_mask = ~(u32)0, |
| 51 | .platform_data = &omapfb_config, |
| 52 | }, |
| 53 | .num_resources = 0, |
| 54 | }; |
| 55 | |
| 56 | void __init omapfb_set_lcd_config(const struct omap_lcd_config *config) |
| 57 | { |
| 58 | omapfb_config.lcd = *config; |
| 59 | omapfb_lcd_configured = true; |
| 60 | } |
| 61 | |
| 62 | static int __init omap_init_fb(void) |
| 63 | { |
| 64 | /* |
| 65 | * If the board file has not set the lcd config with |
| 66 | * omapfb_set_lcd_config(), don't bother registering the omapfb device |
| 67 | */ |
| 68 | if (!omapfb_lcd_configured) |
| 69 | return 0; |
| 70 | |
| 71 | return platform_device_register(&omap_fb_device); |
| 72 | } |
| 73 | |
| 74 | arch_initcall(omap_init_fb); |
| 75 | |
| 76 | #elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) |
| 77 | |
| 78 | static u64 omap_fb_dma_mask = ~(u32)0; |
| 79 | static struct omapfb_platform_data omapfb_config; |
| 80 | |
| 81 | static struct platform_device omap_fb_device = { |
| 82 | .name = "omapfb", |
| 83 | .id = -1, |
| 84 | .dev = { |
| 85 | .dma_mask = &omap_fb_dma_mask, |
| 86 | .coherent_dma_mask = ~(u32)0, |
| 87 | .platform_data = &omapfb_config, |
| 88 | }, |
| 89 | .num_resources = 0, |
| 90 | }; |
| 91 | |
| 92 | static int __init omap_init_fb(void) |
| 93 | { |
| 94 | return platform_device_register(&omap_fb_device); |
| 95 | } |
| 96 | |
| 97 | arch_initcall(omap_init_fb); |
| 98 | |
| 99 | #else |
| 100 | |
| 101 | void __init omapfb_set_lcd_config(const struct omap_lcd_config *config) |
| 102 | { |
| 103 | } |
| 104 | |
| 105 | #endif |