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
44 enum radeon_family
r600_get_family(struct radeon
*r600
)
49 enum chip_class
r600_get_family_class(struct radeon
*radeon
)
51 return radeon
->chip_class
;
54 struct r600_tiling_info
*r600_get_tiling_info(struct radeon
*radeon
)
56 return &radeon
->tiling_info
;
59 static int radeon_get_device(struct radeon
*radeon
)
61 struct drm_radeon_info info
;
65 info
.request
= RADEON_INFO_DEVICE_ID
;
66 info
.value
= (uintptr_t)&radeon
->device
;
67 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_INFO
, &info
,
68 sizeof(struct drm_radeon_info
));
72 static int radeon_drm_get_tiling(struct radeon
*radeon
)
74 struct drm_radeon_info info
;
76 uint32_t tiling_config
;
78 info
.request
= RADEON_INFO_TILING_CONFIG
;
79 info
.value
= (uintptr_t)&tiling_config
;
80 r
= drmCommandWriteRead(radeon
->fd
, DRM_RADEON_INFO
, &info
,
81 sizeof(struct drm_radeon_info
));
86 switch ((tiling_config
& 0xe) >> 1) {
88 radeon
->tiling_info
.num_channels
= 1;
91 radeon
->tiling_info
.num_channels
= 2;
94 radeon
->tiling_info
.num_channels
= 4;
97 radeon
->tiling_info
.num_channels
= 8;
103 switch ((tiling_config
& 0x30) >> 4) {
105 radeon
->tiling_info
.num_banks
= 4;
108 radeon
->tiling_info
.num_banks
= 8;
114 switch ((tiling_config
& 0xc0) >> 6) {
116 radeon
->tiling_info
.group_bytes
= 256;
119 radeon
->tiling_info
.group_bytes
= 512;
127 static int radeon_init_fence(struct radeon
*radeon
)
130 radeon
->fence_bo
= r600_bo(radeon
, 4096, 0, 0, 0);
131 if (radeon
->fence_bo
== NULL
) {
134 radeon
->cfence
= r600_bo_map(radeon
, radeon
->fence_bo
, PB_USAGE_UNSYNCHRONIZED
, NULL
);
139 static struct radeon
*radeon_new(int fd
, unsigned device
)
141 struct radeon
*radeon
;
144 radeon
= calloc(1, sizeof(*radeon
));
145 if (radeon
== NULL
) {
149 radeon
->device
= device
;
150 radeon
->refcount
= 1;
152 r
= radeon_get_device(radeon
);
154 fprintf(stderr
, "Failed to get device id\n");
155 return radeon_decref(radeon
);
158 radeon
->family
= radeon_family_from_device(radeon
->device
);
159 if (radeon
->family
== CHIP_UNKNOWN
) {
160 fprintf(stderr
, "Unknown chipset 0x%04X\n", radeon
->device
);
161 return radeon_decref(radeon
);
164 switch (radeon
->family
) {
173 radeon
->chip_class
= R600
;
174 /* set default group bytes, overridden by tiling info ioctl */
175 radeon
->tiling_info
.group_bytes
= 256;
181 radeon
->chip_class
= R700
;
182 /* set default group bytes, overridden by tiling info ioctl */
183 radeon
->tiling_info
.group_bytes
= 256;
194 radeon
->chip_class
= EVERGREEN
;
195 /* set default group bytes, overridden by tiling info ioctl */
196 radeon
->tiling_info
.group_bytes
= 512;
199 fprintf(stderr
, "%s unknown or unsupported chipset 0x%04X\n",
200 __func__
, radeon
->device
);
204 if (radeon
->chip_class
== R600
|| radeon
->chip_class
== R700
) {
205 if (radeon_drm_get_tiling(radeon
))
208 radeon
->bomgr
= r600_bomgr_create(radeon
, 1000000);
209 if (radeon
->bomgr
== NULL
) {
212 r
= radeon_init_fence(radeon
);
214 radeon_decref(radeon
);
220 struct radeon
*r600_drm_winsys_create(int drmfd
)
222 return radeon_new(drmfd
, 0);
225 struct radeon
*radeon_decref(struct radeon
*radeon
)
229 if (--radeon
->refcount
> 0) {
233 if (radeon
->fence_bo
) {
234 r600_bo_reference(radeon
, &radeon
->fence_bo
, NULL
);
238 r600_bomgr_destroy(radeon
->bomgr
);
241 drmClose(radeon
->fd
);