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
));