| 1 | /* $NetBSD: nouveau_subdev_fb_base.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2012 Red Hat Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: Ben Skeggs |
| 25 | */ |
| 26 | |
| 27 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_base.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
| 29 | |
| 30 | #include <subdev/bios.h> |
| 31 | #include <subdev/bios/bit.h> |
| 32 | |
| 33 | #include "priv.h" |
| 34 | |
| 35 | int |
| 36 | nouveau_fb_bios_memtype(struct nouveau_bios *bios) |
| 37 | { |
| 38 | struct bit_entry M; |
| 39 | u8 ramcfg; |
| 40 | |
| 41 | ramcfg = (nv_rd32(bios, 0x101000) & 0x0000003c) >> 2; |
| 42 | if (!bit_entry(bios, 'M', &M) && M.version == 2 && M.length >= 5) { |
| 43 | u16 table = nv_ro16(bios, M.offset + 3); |
| 44 | u8 version = nv_ro08(bios, table + 0); |
| 45 | u8 = nv_ro08(bios, table + 1); |
| 46 | u8 record = nv_ro08(bios, table + 2); |
| 47 | u8 entries = nv_ro08(bios, table + 3); |
| 48 | if (table && version == 0x10 && ramcfg < entries) { |
| 49 | u16 entry = table + header + (ramcfg * record); |
| 50 | switch (nv_ro08(bios, entry) & 0x0f) { |
| 51 | case 0: return NV_MEM_TYPE_DDR2; |
| 52 | case 1: return NV_MEM_TYPE_DDR3; |
| 53 | case 2: return NV_MEM_TYPE_GDDR3; |
| 54 | case 3: return NV_MEM_TYPE_GDDR5; |
| 55 | default: |
| 56 | break; |
| 57 | } |
| 58 | |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | return NV_MEM_TYPE_UNKNOWN; |
| 63 | } |
| 64 | |
| 65 | int |
| 66 | _nouveau_fb_fini(struct nouveau_object *object, bool suspend) |
| 67 | { |
| 68 | struct nouveau_fb *pfb = (void *)object; |
| 69 | int ret; |
| 70 | |
| 71 | ret = nv_ofuncs(pfb->ram)->fini(nv_object(pfb->ram), suspend); |
| 72 | if (ret && suspend) |
| 73 | return ret; |
| 74 | |
| 75 | return nouveau_subdev_fini(&pfb->base, suspend); |
| 76 | } |
| 77 | |
| 78 | int |
| 79 | _nouveau_fb_init(struct nouveau_object *object) |
| 80 | { |
| 81 | struct nouveau_fb *pfb = (void *)object; |
| 82 | int ret, i; |
| 83 | |
| 84 | ret = nouveau_subdev_init(&pfb->base); |
| 85 | if (ret) |
| 86 | return ret; |
| 87 | |
| 88 | ret = nv_ofuncs(pfb->ram)->init(nv_object(pfb->ram)); |
| 89 | if (ret) |
| 90 | return ret; |
| 91 | |
| 92 | for (i = 0; i < pfb->tile.regions; i++) |
| 93 | pfb->tile.prog(pfb, i, &pfb->tile.region[i]); |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | void |
| 99 | _nouveau_fb_dtor(struct nouveau_object *object) |
| 100 | { |
| 101 | struct nouveau_fb *pfb = (void *)object; |
| 102 | int i; |
| 103 | |
| 104 | for (i = 0; i < pfb->tile.regions; i++) |
| 105 | pfb->tile.fini(pfb, i, &pfb->tile.region[i]); |
| 106 | nouveau_mm_fini(&pfb->tags); |
| 107 | nouveau_mm_fini(&pfb->vram); |
| 108 | |
| 109 | nouveau_object_ref(NULL, (struct nouveau_object **)&pfb->ram); |
| 110 | nouveau_subdev_destroy(&pfb->base); |
| 111 | } |
| 112 | |
| 113 | int |
| 114 | nouveau_fb_create_(struct nouveau_object *parent, struct nouveau_object *engine, |
| 115 | struct nouveau_oclass *oclass, int length, void **pobject) |
| 116 | { |
| 117 | struct nouveau_fb_impl *impl = (void *)oclass; |
| 118 | static const char *name[] = { |
| 119 | [NV_MEM_TYPE_UNKNOWN] = "unknown" , |
| 120 | [NV_MEM_TYPE_STOLEN ] = "stolen system memory" , |
| 121 | [NV_MEM_TYPE_SGRAM ] = "SGRAM" , |
| 122 | [NV_MEM_TYPE_SDRAM ] = "SDRAM" , |
| 123 | [NV_MEM_TYPE_DDR1 ] = "DDR1" , |
| 124 | [NV_MEM_TYPE_DDR2 ] = "DDR2" , |
| 125 | [NV_MEM_TYPE_DDR3 ] = "DDR3" , |
| 126 | [NV_MEM_TYPE_GDDR2 ] = "GDDR2" , |
| 127 | [NV_MEM_TYPE_GDDR3 ] = "GDDR3" , |
| 128 | [NV_MEM_TYPE_GDDR4 ] = "GDDR4" , |
| 129 | [NV_MEM_TYPE_GDDR5 ] = "GDDR5" , |
| 130 | }; |
| 131 | struct nouveau_object *ram; |
| 132 | struct nouveau_fb *pfb; |
| 133 | int ret; |
| 134 | |
| 135 | ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PFB" , "fb" , |
| 136 | length, pobject); |
| 137 | pfb = *pobject; |
| 138 | if (ret) |
| 139 | return ret; |
| 140 | |
| 141 | pfb->memtype_valid = impl->memtype; |
| 142 | |
| 143 | ret = nouveau_object_ctor(nv_object(pfb), nv_object(pfb), |
| 144 | impl->ram, NULL, 0, &ram); |
| 145 | if (ret) { |
| 146 | nv_fatal(pfb, "error detecting memory configuration!!\n" ); |
| 147 | return ret; |
| 148 | } |
| 149 | |
| 150 | atomic_dec(&ram->parent->refcount); |
| 151 | atomic_dec(&ram->engine->refcount); |
| 152 | pfb->ram = (void *)ram; |
| 153 | |
| 154 | if (!nouveau_mm_initialised(&pfb->vram)) { |
| 155 | ret = nouveau_mm_init(&pfb->vram, 0, pfb->ram->size >> 12, 1); |
| 156 | if (ret) |
| 157 | return ret; |
| 158 | } |
| 159 | |
| 160 | if (!nouveau_mm_initialised(&pfb->tags)) { |
| 161 | ret = nouveau_mm_init(&pfb->tags, 0, pfb->ram->tags ? |
| 162 | ++pfb->ram->tags : 0, 1); |
| 163 | if (ret) |
| 164 | return ret; |
| 165 | } |
| 166 | |
| 167 | nv_info(pfb, "RAM type: %s\n" , name[pfb->ram->type]); |
| 168 | nv_info(pfb, "RAM size: %d MiB\n" , (int)(pfb->ram->size >> 20)); |
| 169 | nv_info(pfb, " ZCOMP: %d tags\n" , pfb->ram->tags); |
| 170 | return 0; |
| 171 | } |
| 172 | |