1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include "priv.h" 25 #include "ram.h" 26 27 #include <subdev/bios.h> 28 #include <subdev/bios/M0203.h> 29 #include <engine/gr.h> 30 #include <engine/mpeg.h> 31 32 bool 33 nvkm_fb_memtype_valid(struct nvkm_fb *fb, u32 memtype) 34 { 35 return fb->func->memtype_valid(fb, memtype); 36 } 37 38 void 39 nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) 40 { 41 fb->func->tile.fini(fb, region, tile); 42 } 43 44 void 45 nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size, 46 u32 pitch, u32 flags, struct nvkm_fb_tile *tile) 47 { 48 fb->func->tile.init(fb, region, addr, size, pitch, flags, tile); 49 } 50 51 void 52 nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) 53 { 54 struct nvkm_device *device = fb->subdev.device; 55 fb->func->tile.prog(fb, region, tile); 56 if (likely(device->gr)) 57 device->gr->engine.tile_prog(&device->gr->engine, region); 58 if (likely(device->mpeg)) 59 device->mpeg->tile_prog(device->mpeg, region); 60 } 61 62 int 63 nvkm_fb_bios_memtype(struct nvkm_bios *bios) 64 { 65 struct nvkm_subdev *subdev = &bios->subdev; 66 struct nvkm_device *device = subdev->device; 67 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; 68 struct nvbios_M0203E M0203E; 69 u8 ver, hdr; 70 71 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { 72 switch (M0203E.type) { 73 case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2; 74 case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3; 75 case M0203E_TYPE_GDDR3: return NVKM_RAM_TYPE_GDDR3; 76 case M0203E_TYPE_GDDR5: return NVKM_RAM_TYPE_GDDR5; 77 default: 78 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); 79 return NVKM_RAM_TYPE_UNKNOWN; 80 } 81 } 82 83 nvkm_warn(subdev, "M0203E not matched!\n"); 84 return NVKM_RAM_TYPE_UNKNOWN; 85 } 86 87 static void 88 nvkm_fb_intr(struct nvkm_subdev *subdev) 89 { 90 struct nvkm_fb *fb = nvkm_fb(subdev); 91 if (fb->func->intr) 92 fb->func->intr(fb); 93 } 94 95 static int 96 nvkm_fb_oneinit(struct nvkm_subdev *subdev) 97 { 98 struct nvkm_fb *fb = nvkm_fb(subdev); 99 if (fb->func->ram_new) { 100 int ret = fb->func->ram_new(fb, &fb->ram); 101 if (ret) { 102 nvkm_error(subdev, "vram setup failed, %d\n", ret); 103 return ret; 104 } 105 } 106 return 0; 107 } 108 109 static int 110 nvkm_fb_init(struct nvkm_subdev *subdev) 111 { 112 struct nvkm_fb *fb = nvkm_fb(subdev); 113 int ret, i; 114 115 if (fb->ram) { 116 ret = nvkm_ram_init(fb->ram); 117 if (ret) 118 return ret; 119 } 120 121 for (i = 0; i < fb->tile.regions; i++) 122 fb->func->tile.prog(fb, i, &fb->tile.region[i]); 123 124 if (fb->func->init) 125 fb->func->init(fb); 126 return 0; 127 } 128 129 static void * 130 nvkm_fb_dtor(struct nvkm_subdev *subdev) 131 { 132 struct nvkm_fb *fb = nvkm_fb(subdev); 133 int i; 134 135 for (i = 0; i < fb->tile.regions; i++) 136 fb->func->tile.fini(fb, i, &fb->tile.region[i]); 137 138 nvkm_ram_del(&fb->ram); 139 140 if (fb->func->dtor) 141 return fb->func->dtor(fb); 142 return fb; 143 } 144 145 static const struct nvkm_subdev_func 146 nvkm_fb = { 147 .dtor = nvkm_fb_dtor, 148 .oneinit = nvkm_fb_oneinit, 149 .init = nvkm_fb_init, 150 .intr = nvkm_fb_intr, 151 }; 152 153 void 154 nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device, 155 int index, struct nvkm_fb *fb) 156 { 157 nvkm_subdev_ctor(&nvkm_fb, device, index, 0, &fb->subdev); 158 fb->func = func; 159 fb->tile.regions = fb->func->tile.regions; 160 } 161 162 int 163 nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device, 164 int index, struct nvkm_fb **pfb) 165 { 166 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL))) 167 return -ENOMEM; 168 nvkm_fb_ctor(func, device, index, *pfb); 169 return 0; 170 } 171