1 /* 2 * Framebuffer device registration for TI OMAP platforms 3 * 4 * Copyright (C) 2006 Nokia Corporation 5 * Author: Imre Deak <imre.deak@nokia.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 20 */ 21 22 #include <linux/module.h> 23 #include <linux/kernel.h> 24 #include <linux/mm.h> 25 #include <linux/init.h> 26 #include <linux/platform_device.h> 27 #include <linux/memblock.h> 28 #include <linux/io.h> 29 #include <linux/omapfb.h> 30 #include <linux/dma-mapping.h> 31 32 #include <asm/mach/map.h> 33 34 #include "soc.h" 35 #include "display.h" 36 37 #ifdef CONFIG_OMAP2_VRFB 38 39 /* 40 * The first memory resource is the register region for VRFB, 41 * the rest are VRFB virtual memory areas for each VRFB context. 42 */ 43 44 static const struct resource omap2_vrfb_resources[] = { 45 DEFINE_RES_MEM_NAMED(0x68008000u, 0x40, "vrfb-regs"), 46 DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"), 47 DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"), 48 DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"), 49 DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"), 50 }; 51 52 static const struct resource omap3_vrfb_resources[] = { 53 DEFINE_RES_MEM_NAMED(0x6C000180u, 0xc0, "vrfb-regs"), 54 DEFINE_RES_MEM_NAMED(0x70000000u, 0x4000000, "vrfb-area-0"), 55 DEFINE_RES_MEM_NAMED(0x74000000u, 0x4000000, "vrfb-area-1"), 56 DEFINE_RES_MEM_NAMED(0x78000000u, 0x4000000, "vrfb-area-2"), 57 DEFINE_RES_MEM_NAMED(0x7c000000u, 0x4000000, "vrfb-area-3"), 58 DEFINE_RES_MEM_NAMED(0xe0000000u, 0x4000000, "vrfb-area-4"), 59 DEFINE_RES_MEM_NAMED(0xe4000000u, 0x4000000, "vrfb-area-5"), 60 DEFINE_RES_MEM_NAMED(0xe8000000u, 0x4000000, "vrfb-area-6"), 61 DEFINE_RES_MEM_NAMED(0xec000000u, 0x4000000, "vrfb-area-7"), 62 DEFINE_RES_MEM_NAMED(0xf0000000u, 0x4000000, "vrfb-area-8"), 63 DEFINE_RES_MEM_NAMED(0xf4000000u, 0x4000000, "vrfb-area-9"), 64 DEFINE_RES_MEM_NAMED(0xf8000000u, 0x4000000, "vrfb-area-10"), 65 DEFINE_RES_MEM_NAMED(0xfc000000u, 0x4000000, "vrfb-area-11"), 66 }; 67 68 int __init omap_init_vrfb(void) 69 { 70 struct platform_device *pdev; 71 const struct resource *res; 72 unsigned int num_res; 73 74 if (cpu_is_omap24xx()) { 75 res = omap2_vrfb_resources; 76 num_res = ARRAY_SIZE(omap2_vrfb_resources); 77 } else if (cpu_is_omap34xx()) { 78 res = omap3_vrfb_resources; 79 num_res = ARRAY_SIZE(omap3_vrfb_resources); 80 } else { 81 return 0; 82 } 83 84 pdev = platform_device_register_resndata(NULL, "omapvrfb", -1, 85 res, num_res, NULL, 0); 86 87 return PTR_RET(pdev); 88 } 89 #else 90 int __init omap_init_vrfb(void) { return 0; } 91 #endif 92 93 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) 94 95 static u64 omap_fb_dma_mask = ~(u32)0; 96 static struct omapfb_platform_data omapfb_config; 97 98 static struct platform_device omap_fb_device = { 99 .name = "omapfb", 100 .id = -1, 101 .dev = { 102 .dma_mask = &omap_fb_dma_mask, 103 .coherent_dma_mask = DMA_BIT_MASK(32), 104 .platform_data = &omapfb_config, 105 }, 106 .num_resources = 0, 107 }; 108 109 int __init omap_init_fb(void) 110 { 111 return platform_device_register(&omap_fb_device); 112 } 113 #else 114 int __init omap_init_fb(void) { return 0; } 115 #endif 116