2 * Copyright 2009 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #include <linux/firmware.h>
26 #include <linux/slab.h>
29 #include "nouveau_drv.h"
31 struct nouveau_ctxprog {
36 } __attribute__ ((packed));
38 struct nouveau_ctxvals {
46 } __attribute__ ((packed));
49 nouveau_grctx_prog_load(struct drm_device *dev)
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;
60 if (pgraph->accel_blocked)
63 if (!pgraph->ctxprog) {
64 sprintf(name, "nouveau/nv%02x.ctxprog", chipset);
65 ret = request_firmware(&fw, name, &dev->pdev->dev);
67 NV_ERROR(dev, "No ctxprog for NV%02x\n", chipset);
71 pgraph->ctxprog = kmemdup(fw->data, fw->size, GFP_KERNEL);
72 if (!pgraph->ctxprog) {
73 NV_ERROR(dev, "OOM copying ctxprog\n");
79 if (le32_to_cpu(cp->signature) != 0x5043564e ||
81 le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) {
82 NV_ERROR(dev, "ctxprog invalid\n");
84 nouveau_grctx_fini(dev);
90 if (!pgraph->ctxvals) {
91 sprintf(name, "nouveau/nv%02x.ctxvals", chipset);
92 ret = request_firmware(&fw, name, &dev->pdev->dev);
94 NV_ERROR(dev, "No ctxvals for NV%02x\n", chipset);
95 nouveau_grctx_fini(dev);
99 pgraph->ctxvals = kmemdup(fw->data, fw->size, GFP_KERNEL);
100 if (!pgraph->ctxvals) {
101 NV_ERROR(dev, "OOM copying ctxvals\n");
102 release_firmware(fw);
103 nouveau_grctx_fini(dev);
107 cv = (void *)pgraph->ctxvals;
108 if (le32_to_cpu(cv->signature) != 0x5643564e ||
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);
116 release_firmware(fw);
119 cp = pgraph->ctxprog;
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]));
130 nouveau_grctx_fini(struct drm_device *dev)
132 struct drm_nouveau_private *dev_priv = dev->dev_private;
133 struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
135 if (pgraph->ctxprog) {
136 kfree(pgraph->ctxprog);
137 pgraph->ctxprog = NULL;
140 if (pgraph->ctxvals) {
141 kfree(pgraph->ctxprog);
142 pgraph->ctxvals = NULL;
147 nouveau_grctx_vals_load(struct drm_device *dev, struct nouveau_gpuobj *ctx)
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;
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));