Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010 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 | |
| 25 | #include "drmP.h" |
| 26 | #include "nouveau_drv.h" |
| 27 | #include "nouveau_mm.h" |
| 28 | |
Ben Skeggs | b5e2f07 | 2011-02-14 07:34:55 +1000 | [diff] [blame] | 29 | /* 0 = unsupported |
| 30 | * 1 = non-compressed |
| 31 | * 3 = compressed |
| 32 | */ |
| 33 | static const u8 types[256] = { |
| 34 | 1, 1, 3, 3, 3, 3, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, |
| 35 | 0, 1, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, |
| 36 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, |
| 37 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, |
| 38 | 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 39 | 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 40 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 41 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, |
| 42 | 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 1, 1, 1, 1, 0, |
| 43 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 44 | 0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, |
| 45 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, |
Christoph Bumiller | 12b6d9d | 2011-10-07 18:10:45 +0200 | [diff] [blame] | 46 | 3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, |
Ben Skeggs | b5e2f07 | 2011-02-14 07:34:55 +1000 | [diff] [blame] | 47 | 3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 3, |
| 48 | 3, 0, 3, 3, 3, 3, 3, 0, 0, 3, 0, 3, 0, 3, 3, 0, |
| 49 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 1, 1, 0 |
| 50 | }; |
| 51 | |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 52 | bool |
| 53 | nvc0_vram_flags_valid(struct drm_device *dev, u32 tile_flags) |
| 54 | { |
Ben Skeggs | b5e2f07 | 2011-02-14 07:34:55 +1000 | [diff] [blame] | 55 | u8 memtype = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8; |
| 56 | return likely((types[memtype] == 1)); |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | int |
| 60 | nvc0_vram_new(struct drm_device *dev, u64 size, u32 align, u32 ncmin, |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 61 | u32 type, struct nouveau_mem **pmem) |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 62 | { |
| 63 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
Ben Skeggs | 987eec1 | 2011-06-24 10:14:07 +1000 | [diff] [blame] | 64 | struct nouveau_mm *mm = &dev_priv->engine.vram.mm; |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 65 | struct nouveau_mm_node *r; |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 66 | struct nouveau_mem *mem; |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 67 | int ret; |
| 68 | |
| 69 | size >>= 12; |
| 70 | align >>= 12; |
| 71 | ncmin >>= 12; |
| 72 | |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 73 | mem = kzalloc(sizeof(*mem), GFP_KERNEL); |
| 74 | if (!mem) |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 75 | return -ENOMEM; |
| 76 | |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 77 | INIT_LIST_HEAD(&mem->regions); |
| 78 | mem->dev = dev_priv->dev; |
Ben Skeggs | 8f7286f | 2011-02-14 09:57:35 +1000 | [diff] [blame] | 79 | mem->memtype = (type & 0xff); |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 80 | mem->size = size; |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 81 | |
| 82 | mutex_lock(&mm->mutex); |
| 83 | do { |
| 84 | ret = nouveau_mm_get(mm, 1, size, ncmin, align, &r); |
| 85 | if (ret) { |
| 86 | mutex_unlock(&mm->mutex); |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 87 | nv50_vram_del(dev, &mem); |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 88 | return ret; |
| 89 | } |
| 90 | |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 91 | list_add_tail(&r->rl_entry, &mem->regions); |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 92 | size -= r->length; |
| 93 | } while (size); |
| 94 | mutex_unlock(&mm->mutex); |
| 95 | |
Ben Skeggs | d5f4239 | 2011-02-10 12:22:52 +1000 | [diff] [blame] | 96 | r = list_first_entry(&mem->regions, struct nouveau_mm_node, rl_entry); |
| 97 | mem->offset = (u64)r->offset << 12; |
| 98 | *pmem = mem; |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | int |
| 103 | nvc0_vram_init(struct drm_device *dev) |
| 104 | { |
| 105 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
Ben Skeggs | 24f246a | 2011-06-10 13:36:08 +1000 | [diff] [blame] | 106 | struct nouveau_vram_engine *vram = &dev_priv->engine.vram; |
| 107 | const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */ |
| 108 | const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */ |
Ben Skeggs | aa65009 | 2011-06-24 12:47:46 +1000 | [diff] [blame] | 109 | u32 parts = nv_rd32(dev, 0x121c74); |
| 110 | u32 bsize = nv_rd32(dev, 0x10f20c); |
| 111 | u32 offset, length; |
| 112 | bool uniform = true; |
Ben Skeggs | d4547ed | 2011-10-27 11:26:17 +1000 | [diff] [blame] | 113 | int ret, part; |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 114 | |
Ben Skeggs | aa65009 | 2011-06-24 12:47:46 +1000 | [diff] [blame] | 115 | NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800)); |
| 116 | NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize); |
Ben Skeggs | 24f246a | 2011-06-10 13:36:08 +1000 | [diff] [blame] | 117 | |
Ben Skeggs | f329853 | 2011-12-13 12:46:18 +1000 | [diff] [blame] | 118 | dev_priv->vram_type = nouveau_mem_vbios_type(dev); |
Ben Skeggs | 950c44b | 2012-02-01 09:05:42 +1000 | [diff] [blame] | 119 | dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x10f200) & 0x00000004); |
Ben Skeggs | f329853 | 2011-12-13 12:46:18 +1000 | [diff] [blame] | 120 | |
Ben Skeggs | aa65009 | 2011-06-24 12:47:46 +1000 | [diff] [blame] | 121 | /* read amount of vram attached to each memory controller */ |
Ben Skeggs | d4547ed | 2011-10-27 11:26:17 +1000 | [diff] [blame] | 122 | part = 0; |
| 123 | while (parts) { |
| 124 | u32 psize = nv_rd32(dev, 0x11020c + (part++ * 0x1000)); |
| 125 | if (psize == 0) |
| 126 | continue; |
| 127 | parts--; |
| 128 | |
Ben Skeggs | aa65009 | 2011-06-24 12:47:46 +1000 | [diff] [blame] | 129 | if (psize != bsize) { |
| 130 | if (psize < bsize) |
| 131 | bsize = psize; |
| 132 | uniform = false; |
| 133 | } |
Ben Skeggs | 24f246a | 2011-06-10 13:36:08 +1000 | [diff] [blame] | 134 | |
Ben Skeggs | d4547ed | 2011-10-27 11:26:17 +1000 | [diff] [blame] | 135 | NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize); |
Ben Skeggs | aa65009 | 2011-06-24 12:47:46 +1000 | [diff] [blame] | 136 | dev_priv->vram_size += (u64)psize << 20; |
| 137 | } |
| 138 | |
| 139 | /* if all controllers have the same amount attached, there's no holes */ |
| 140 | if (uniform) { |
| 141 | offset = rsvd_head; |
| 142 | length = (dev_priv->vram_size >> 12) - rsvd_head - rsvd_tail; |
| 143 | return nouveau_mm_init(&vram->mm, offset, length, 1); |
| 144 | } |
| 145 | |
| 146 | /* otherwise, address lowest common amount from 0GiB */ |
| 147 | ret = nouveau_mm_init(&vram->mm, rsvd_head, (bsize << 8) * parts, 1); |
| 148 | if (ret) |
| 149 | return ret; |
| 150 | |
| 151 | /* and the rest starting from (8GiB + common_size) */ |
| 152 | offset = (0x0200000000ULL >> 12) + (bsize << 8); |
| 153 | length = (dev_priv->vram_size >> 12) - (bsize << 8) - rsvd_tail; |
| 154 | |
| 155 | ret = nouveau_mm_init(&vram->mm, offset, length, 0); |
| 156 | if (ret) { |
| 157 | nouveau_mm_fini(&vram->mm); |
| 158 | return ret; |
| 159 | } |
| 160 | |
| 161 | return 0; |
Ben Skeggs | 8984e04 | 2010-11-15 11:48:33 +1000 | [diff] [blame] | 162 | } |