| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| |
| #include "subdev/fb.h" |
| #include "subdev/bios.h" |
| #include "subdev/bios/bit.h" |
| |
| int |
| nouveau_fb_bios_memtype(struct nouveau_bios *bios) |
| { |
| struct bit_entry M; |
| u8 ramcfg; |
| |
| ramcfg = (nv_rd32(bios, 0x101000) & 0x0000003c) >> 2; |
| if (!bit_entry(bios, 'M', &M) && M.version == 2 && M.length >= 5) { |
| u16 table = nv_ro16(bios, M.offset + 3); |
| u8 version = nv_ro08(bios, table + 0); |
| u8 header = nv_ro08(bios, table + 1); |
| u8 record = nv_ro08(bios, table + 2); |
| u8 entries = nv_ro08(bios, table + 3); |
| if (table && version == 0x10 && ramcfg < entries) { |
| u16 entry = table + header + (ramcfg * record); |
| switch (nv_ro08(bios, entry) & 0x0f) { |
| case 0: return NV_MEM_TYPE_DDR2; |
| case 1: return NV_MEM_TYPE_DDR3; |
| case 2: return NV_MEM_TYPE_GDDR3; |
| case 3: return NV_MEM_TYPE_GDDR5; |
| default: |
| break; |
| } |
| |
| } |
| } |
| |
| return NV_MEM_TYPE_UNKNOWN; |
| } |
| |
| int |
| nouveau_fb_preinit(struct nouveau_fb *pfb) |
| { |
| static const char *name[] = { |
| [NV_MEM_TYPE_UNKNOWN] = "unknown", |
| [NV_MEM_TYPE_STOLEN ] = "stolen system memory", |
| [NV_MEM_TYPE_SGRAM ] = "SGRAM", |
| [NV_MEM_TYPE_SDRAM ] = "SDRAM", |
| [NV_MEM_TYPE_DDR1 ] = "DDR1", |
| [NV_MEM_TYPE_DDR2 ] = "DDR2", |
| [NV_MEM_TYPE_DDR3 ] = "DDR3", |
| [NV_MEM_TYPE_GDDR2 ] = "GDDR2", |
| [NV_MEM_TYPE_GDDR3 ] = "GDDR3", |
| [NV_MEM_TYPE_GDDR4 ] = "GDDR4", |
| [NV_MEM_TYPE_GDDR5 ] = "GDDR5", |
| }; |
| int ret, tags; |
| |
| tags = pfb->ram.init(pfb); |
| if (tags < 0 || !pfb->ram.size) { |
| nv_fatal(pfb, "error detecting memory configuration!!\n"); |
| return (tags < 0) ? tags : -ERANGE; |
| } |
| |
| if (!nouveau_mm_initialised(&pfb->vram)) { |
| ret = nouveau_mm_init(&pfb->vram, 0, pfb->ram.size >> 12, 1); |
| if (ret) |
| return ret; |
| } |
| |
| if (!nouveau_mm_initialised(&pfb->tags)) { |
| ret = nouveau_mm_init(&pfb->tags, 0, tags ? ++tags : 0, 1); |
| if (ret) |
| return ret; |
| } |
| |
| nv_info(pfb, "RAM type: %s\n", name[pfb->ram.type]); |
| nv_info(pfb, "RAM size: %d MiB\n", (int)(pfb->ram.size >> 20)); |
| nv_info(pfb, " ZCOMP: %d tags\n", tags); |
| return 0; |
| } |
| |
| void |
| nouveau_fb_destroy(struct nouveau_fb *pfb) |
| { |
| int i; |
| |
| for (i = 0; i < pfb->tile.regions; i++) |
| pfb->tile.fini(pfb, i, &pfb->tile.region[i]); |
| nouveau_mm_fini(&pfb->tags); |
| nouveau_mm_fini(&pfb->vram); |
| |
| nouveau_subdev_destroy(&pfb->base); |
| } |
| |
| void |
| _nouveau_fb_dtor(struct nouveau_object *object) |
| { |
| struct nouveau_fb *pfb = (void *)object; |
| nouveau_fb_destroy(pfb); |
| } |
| int |
| nouveau_fb_init(struct nouveau_fb *pfb) |
| { |
| int ret, i; |
| |
| ret = nouveau_subdev_init(&pfb->base); |
| if (ret) |
| return ret; |
| |
| for (i = 0; i < pfb->tile.regions; i++) |
| pfb->tile.prog(pfb, i, &pfb->tile.region[i]); |
| |
| return 0; |
| } |
| |
| int |
| _nouveau_fb_init(struct nouveau_object *object) |
| { |
| struct nouveau_fb *pfb = (void *)object; |
| return nouveau_fb_init(pfb); |
| } |