Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2009 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 <linux/firmware.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 26 | #include <linux/slab.h> |
Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 27 | |
| 28 | #include "drmP.h" |
| 29 | #include "nouveau_drv.h" |
| 30 | |
| 31 | struct nouveau_ctxprog { |
| 32 | uint32_t signature; |
| 33 | uint8_t version; |
| 34 | uint16_t length; |
| 35 | uint32_t data[]; |
| 36 | } __attribute__ ((packed)); |
| 37 | |
| 38 | struct nouveau_ctxvals { |
| 39 | uint32_t signature; |
| 40 | uint8_t version; |
| 41 | uint32_t length; |
| 42 | struct { |
| 43 | uint32_t offset; |
| 44 | uint32_t value; |
| 45 | } data[]; |
| 46 | } __attribute__ ((packed)); |
| 47 | |
| 48 | int |
| 49 | nouveau_grctx_prog_load(struct drm_device *dev) |
| 50 | { |
| 51 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 52 | struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph; |
| 53 | const int chipset = dev_priv->chipset; |
| 54 | const struct firmware *fw; |
| 55 | const struct nouveau_ctxprog *cp; |
| 56 | const struct nouveau_ctxvals *cv; |
| 57 | char name[32]; |
| 58 | int ret, i; |
| 59 | |
Ben Skeggs | 65ec01a | 2009-12-16 15:07:45 +1000 | [diff] [blame] | 60 | if (pgraph->accel_blocked) |
| 61 | return -ENODEV; |
| 62 | |
Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 63 | if (!pgraph->ctxprog) { |
| 64 | sprintf(name, "nouveau/nv%02x.ctxprog", chipset); |
| 65 | ret = request_firmware(&fw, name, &dev->pdev->dev); |
| 66 | if (ret) { |
| 67 | NV_ERROR(dev, "No ctxprog for NV%02x\n", chipset); |
| 68 | return ret; |
| 69 | } |
| 70 | |
Julia Lawall | f405a1a | 2010-05-15 23:17:40 +0200 | [diff] [blame] | 71 | pgraph->ctxprog = kmemdup(fw->data, fw->size, GFP_KERNEL); |
Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 72 | if (!pgraph->ctxprog) { |
| 73 | NV_ERROR(dev, "OOM copying ctxprog\n"); |
| 74 | release_firmware(fw); |
| 75 | return -ENOMEM; |
| 76 | } |
Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 77 | |
| 78 | cp = pgraph->ctxprog; |
| 79 | if (le32_to_cpu(cp->signature) != 0x5043564e || |
| 80 | cp->version != 0 || |
| 81 | le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) { |
| 82 | NV_ERROR(dev, "ctxprog invalid\n"); |
| 83 | release_firmware(fw); |
| 84 | nouveau_grctx_fini(dev); |
| 85 | return -EINVAL; |
| 86 | } |
| 87 | release_firmware(fw); |
| 88 | } |
| 89 | |
| 90 | if (!pgraph->ctxvals) { |
| 91 | sprintf(name, "nouveau/nv%02x.ctxvals", chipset); |
| 92 | ret = request_firmware(&fw, name, &dev->pdev->dev); |
| 93 | if (ret) { |
| 94 | NV_ERROR(dev, "No ctxvals for NV%02x\n", chipset); |
| 95 | nouveau_grctx_fini(dev); |
| 96 | return ret; |
| 97 | } |
| 98 | |
Julia Lawall | f405a1a | 2010-05-15 23:17:40 +0200 | [diff] [blame] | 99 | pgraph->ctxvals = kmemdup(fw->data, fw->size, GFP_KERNEL); |
Julia Lawall | 7dad9ef | 2010-02-02 14:40:30 -0800 | [diff] [blame] | 100 | if (!pgraph->ctxvals) { |
| 101 | NV_ERROR(dev, "OOM copying ctxvals\n"); |
Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 102 | release_firmware(fw); |
| 103 | nouveau_grctx_fini(dev); |
| 104 | return -ENOMEM; |
| 105 | } |
Ben Skeggs | 054b93e | 2009-12-15 22:02:47 +1000 | [diff] [blame] | 106 | |
| 107 | cv = (void *)pgraph->ctxvals; |
| 108 | if (le32_to_cpu(cv->signature) != 0x5643564e || |
| 109 | cv->version != 0 || |
| 110 | le32_to_cpu(cv->length) != ((fw->size - 9) / 8)) { |
| 111 | NV_ERROR(dev, "ctxvals invalid\n"); |
| 112 | release_firmware(fw); |
| 113 | nouveau_grctx_fini(dev); |
| 114 | return -EINVAL; |
| 115 | } |
| 116 | release_firmware(fw); |
| 117 | } |
| 118 | |
| 119 | cp = pgraph->ctxprog; |
| 120 | |
| 121 | nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0); |
| 122 | for (i = 0; i < le16_to_cpu(cp->length); i++) |
| 123 | nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, |
| 124 | le32_to_cpu(cp->data[i])); |
| 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | void |
| 130 | nouveau_grctx_fini(struct drm_device *dev) |
| 131 | { |
| 132 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 133 | struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph; |
| 134 | |
| 135 | if (pgraph->ctxprog) { |
| 136 | kfree(pgraph->ctxprog); |
| 137 | pgraph->ctxprog = NULL; |
| 138 | } |
| 139 | |
| 140 | if (pgraph->ctxvals) { |
| 141 | kfree(pgraph->ctxprog); |
| 142 | pgraph->ctxvals = NULL; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | void |
| 147 | nouveau_grctx_vals_load(struct drm_device *dev, struct nouveau_gpuobj *ctx) |
| 148 | { |
| 149 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 150 | struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph; |
| 151 | struct nouveau_ctxvals *cv = pgraph->ctxvals; |
| 152 | int i; |
| 153 | |
| 154 | if (!cv) |
| 155 | return; |
| 156 | |
| 157 | for (i = 0; i < le32_to_cpu(cv->length); i++) |
| 158 | nv_wo32(dev, ctx, le32_to_cpu(cv->data[i].offset), |
| 159 | le32_to_cpu(cv->data[i].value)); |
| 160 | } |