2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 * Corbin Simpson <MostAwesomeDude@gmail.com>
26 * Joakim Sindholt <opensource@zhasha.com>
30 #include <sys/ioctl.h>
31 #include "util/u_inlines.h"
32 #include "util/u_debug.h"
33 #include <pipebuffer/pb_bufmgr.h>
35 #include "r600_priv.h"
36 #include "r600_drm_public.h"
38 #include "radeon_drm.h"
40 #ifndef RADEON_INFO_TILING_CONFIG
41 #define RADEON_INFO_TILING_CONFIG 0x6
43 static int radeon_get_device(struct radeon
*radeon
)
45 struct drm_radeon_info info
;
49 info
.request
= RADEON_INFO_DEVICE_ID
;
50 info
.value
= (uintptr_t)&radeon
->device
;
51 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_INFO
, &info
,
52 sizeof(struct drm_radeon_info
));
56 static int radeon_drm_get_tiling(struct radeon
*radeon
)
58 struct drm_radeon_info info
;
60 uint32_t tiling_config
;
62 info
.request
= RADEON_INFO_TILING_CONFIG
;
63 info
.value
= (uintptr_t)&tiling_config
;
64 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_INFO
, &info
,
65 sizeof(struct drm_radeon_info
));
70 switch ((tiling_config
& 0xe) >> 1) {
72 radeon
->tiling_info
.num_channels
= 1;
75 radeon
->tiling_info
.num_channels
= 2;
78 radeon
->tiling_info
.num_channels
= 4;
81 radeon
->tiling_info
.num_channels
= 8;
87 switch ((tiling_config
& 0x30) >> 4) {
89 radeon
->tiling_info
.num_banks
= 4;
92 radeon
->tiling_info
.num_banks
= 8;
98 switch ((tiling_config
& 0xc0) >> 6) {
100 radeon
->tiling_info
.group_bytes
= 256;
103 radeon
->tiling_info
.group_bytes
= 512;
111 struct radeon
*radeon_new(int fd
, unsigned device
)
113 struct radeon
*radeon
;
116 radeon
= calloc(1, sizeof(*radeon
));
117 if (radeon
== NULL
) {
121 radeon
->device
= device
;
122 radeon
->refcount
= 1;
124 r
= radeon_get_device(radeon
);
126 fprintf(stderr
, "Failed to get device id\n");
127 return radeon_decref(radeon
);
130 radeon
->family
= radeon_family_from_device(radeon
->device
);
131 if (radeon
->family
== CHIP_UNKNOWN
) {
132 fprintf(stderr
, "Unknown chipset 0x%04X\n", radeon
->device
);
133 return radeon_decref(radeon
);
135 switch (radeon
->family
) {
182 fprintf(stderr
, "%s unknown or unsupported chipset 0x%04X\n",
183 __func__
, radeon
->device
);
188 switch (radeon
->family
) {
197 radeon
->chip_class
= R600
;
203 radeon
->chip_class
= R700
;
210 radeon
->chip_class
= EVERGREEN
;
213 fprintf(stderr
, "%s unknown or unsupported chipset 0x%04X\n",
214 __func__
, radeon
->device
);
218 if (radeon
->chip_class
== R600
|| radeon
->chip_class
== R700
) {
219 if (radeon_drm_get_tiling(radeon
))
222 radeon
->kman
= radeon_bo_pbmgr_create(radeon
);
225 radeon
->cman
= pb_cache_manager_create(radeon
->kman
, 100000);
231 struct radeon
*r600_drm_winsys_create(int drmfd
)
233 return radeon_new(drmfd
, 0);
236 struct radeon
*radeon_decref(struct radeon
*radeon
)
240 if (--radeon
->refcount
> 0) {
245 radeon
->cman
->destroy(radeon
->cman
);
248 radeon
->kman
->destroy(radeon
->kman
);
251 drmClose(radeon
->fd
);