2 * Copyright © 2009 Corbin Simpson
3 * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
16 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
18 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 * The above copyright notice and this permission notice (including the
24 * next paragraph) shall be included in all copies or substantial portions
29 * Corbin Simpson <MostAwesomeDude@gmail.com>
30 * Joakim Sindholt <opensource@zhasha.com>
31 * Marek Olšák <maraeo@gmail.com>
34 #include "radeon_drm_bo.h"
35 #include "radeon_drm_cs.h"
36 #include "radeon_drm_public.h"
38 #include "pipebuffer/pb_bufmgr.h"
39 #include "util/u_memory.h"
44 #ifndef RADEON_INFO_WANT_HYPERZ
45 #define RADEON_INFO_WANT_HYPERZ 7
47 #ifndef RADEON_INFO_WANT_CMASK
48 #define RADEON_INFO_WANT_CMASK 8
51 /* Enable/disable feature access for one command stream.
52 * If enable == TRUE, return TRUE on success.
53 * Otherwise, return FALSE.
55 * We basically do the same thing kernel does, because we have to deal
56 * with multiple contexts (here command streams) backed by one winsys. */
57 static boolean
radeon_set_fd_access(struct radeon_drm_cs
*applier
,
58 struct radeon_drm_cs
**owner
,
60 unsigned request
, boolean enable
)
62 struct drm_radeon_info info
= {0};
63 unsigned value
= enable
? 1 : 0;
65 pipe_mutex_lock(*mutex
);
67 /* Early exit if we are sure the request will fail. */
70 pipe_mutex_unlock(*mutex
);
74 if (*owner
!= applier
) {
75 pipe_mutex_unlock(*mutex
);
80 /* Pass through the request to the kernel. */
81 info
.value
= (unsigned long)&value
;
82 info
.request
= request
;
83 if (drmCommandWriteRead(applier
->ws
->fd
, DRM_RADEON_INFO
,
84 &info
, sizeof(info
)) != 0) {
85 pipe_mutex_unlock(*mutex
);
89 /* Update the rights in the winsys. */
93 fprintf(stderr
, "radeon: Acquired Hyper-Z.\n");
94 pipe_mutex_unlock(*mutex
);
99 fprintf(stderr
, "radeon: Released Hyper-Z.\n");
102 pipe_mutex_unlock(*mutex
);
106 /* Helper function to do the ioctls needed for setup and init. */
107 static void do_ioctls(struct radeon_drm_winsys
*winsys
)
109 struct drm_radeon_gem_info gem_info
= {0};
110 struct drm_radeon_info info
= {0};
113 drmVersionPtr version
;
115 info
.value
= (unsigned long)&target
;
117 /* We do things in a specific order here.
119 * DRM version first. We need to be sure we're running on a KMS chipset.
120 * This is also for some features.
122 * Then, the PCI ID. This is essential and should return usable numbers
123 * for all Radeons. If this fails, we probably got handed an FD for some
126 * The GB and Z pipe requests should always succeed, but they might not
127 * return sensical values for all chipsets, but that's alright because
128 * the pipe drivers already know that.
130 * The GEM info is actually bogus on the kernel side, as well as our side
131 * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
132 * we don't actually use the info for anything yet. */
134 version
= drmGetVersion(winsys
->fd
);
135 if (version
->version_major
!= 2 ||
136 version
->version_minor
< 3) {
137 fprintf(stderr
, "%s: DRM version is %d.%d.%d but this driver is "
138 "only compatible with 2.3.x (kernel 2.6.34) and later.\n",
140 version
->version_major
,
141 version
->version_minor
,
142 version
->version_patchlevel
);
143 drmFreeVersion(version
);
147 winsys
->drm_major
= version
->version_major
;
148 winsys
->drm_minor
= version
->version_minor
;
149 winsys
->drm_patchlevel
= version
->version_patchlevel
;
151 info
.request
= RADEON_INFO_DEVICE_ID
;
152 retval
= drmCommandWriteRead(winsys
->fd
, DRM_RADEON_INFO
, &info
, sizeof(info
));
154 fprintf(stderr
, "%s: Failed to get PCI ID, "
155 "error number %d\n", __FUNCTION__
, retval
);
158 winsys
->pci_id
= target
;
160 info
.request
= RADEON_INFO_NUM_GB_PIPES
;
161 retval
= drmCommandWriteRead(winsys
->fd
, DRM_RADEON_INFO
, &info
, sizeof(info
));
163 fprintf(stderr
, "%s: Failed to get GB pipe count, "
164 "error number %d\n", __FUNCTION__
, retval
);
167 winsys
->gb_pipes
= target
;
169 info
.request
= RADEON_INFO_NUM_Z_PIPES
;
170 retval
= drmCommandWriteRead(winsys
->fd
, DRM_RADEON_INFO
, &info
, sizeof(info
));
172 fprintf(stderr
, "%s: Failed to get Z pipe count, "
173 "error number %d\n", __FUNCTION__
, retval
);
176 winsys
->z_pipes
= target
;
178 retval
= drmCommandWriteRead(winsys
->fd
, DRM_RADEON_GEM_INFO
,
179 &gem_info
, sizeof(gem_info
));
181 fprintf(stderr
, "%s: Failed to get MM info, error number %d\n",
182 __FUNCTION__
, retval
);
185 winsys
->gart_size
= gem_info
.gart_size
;
186 winsys
->vram_size
= gem_info
.vram_size
;
188 drmFreeVersion(version
);
190 winsys
->num_cpus
= sysconf(_SC_NPROCESSORS_ONLN
);
193 static void radeon_winsys_destroy(struct radeon_winsys
*rws
)
195 struct radeon_drm_winsys
*ws
= (struct radeon_drm_winsys
*)rws
;
197 pipe_mutex_destroy(ws
->hyperz_owner_mutex
);
198 pipe_mutex_destroy(ws
->cmask_owner_mutex
);
200 ws
->cman
->destroy(ws
->cman
);
201 ws
->kman
->destroy(ws
->kman
);
205 static uint32_t radeon_get_value(struct radeon_winsys
*rws
,
206 enum radeon_value_id id
)
208 struct radeon_drm_winsys
*ws
= (struct radeon_drm_winsys
*)rws
;
211 case RADEON_VID_PCI_ID
:
213 case RADEON_VID_R300_GB_PIPES
:
215 case RADEON_VID_R300_Z_PIPES
:
217 case RADEON_VID_GART_SIZE
:
218 return ws
->gart_size
;
219 case RADEON_VID_VRAM_SIZE
:
220 return ws
->vram_size
;
221 case RADEON_VID_DRM_MAJOR
:
222 return ws
->drm_major
;
223 case RADEON_VID_DRM_MINOR
:
224 return ws
->drm_minor
;
225 case RADEON_VID_DRM_PATCHLEVEL
:
226 return ws
->drm_patchlevel
;
227 case RADEON_VID_DRM_2_6_0
:
228 return ws
->drm_major
*100 + ws
->drm_minor
>= 206;
229 case RADEON_VID_DRM_2_8_0
:
230 return ws
->drm_major
*100 + ws
->drm_minor
>= 208;
235 static boolean
radeon_cs_request_feature(struct radeon_winsys_cs
*rcs
,
236 enum radeon_feature_id fid
,
239 struct radeon_drm_cs
*cs
= radeon_drm_cs(rcs
);
242 case RADEON_FID_HYPERZ_RAM_ACCESS
:
243 if (debug_get_bool_option("RADEON_HYPERZ", FALSE
)) {
244 return radeon_set_fd_access(cs
, &cs
->ws
->hyperz_owner
,
245 &cs
->ws
->hyperz_owner_mutex
,
246 RADEON_INFO_WANT_HYPERZ
, enable
);
251 case RADEON_FID_CMASK_RAM_ACCESS
:
252 if (debug_get_bool_option("RADEON_CMASK", FALSE
)) {
253 return radeon_set_fd_access(cs
, &cs
->ws
->cmask_owner
,
254 &cs
->ws
->cmask_owner_mutex
,
255 RADEON_INFO_WANT_CMASK
, enable
);
263 struct radeon_winsys
*radeon_drm_winsys_create(int fd
)
265 struct radeon_drm_winsys
*ws
= CALLOC_STRUCT(radeon_drm_winsys
);
273 switch (ws
->pci_id
) {
274 #define CHIPSET(pci_id, name, family) case pci_id:
275 #include "pci_ids/r300_pci_ids.h"
282 /* Create managers. */
283 ws
->kman
= radeon_bomgr_create(ws
);
286 ws
->cman
= pb_cache_manager_create(ws
->kman
, 1000000);
291 ws
->base
.destroy
= radeon_winsys_destroy
;
292 ws
->base
.get_value
= radeon_get_value
;
293 ws
->base
.cs_request_feature
= radeon_cs_request_feature
;
295 radeon_bomgr_init_functions(ws
);
296 radeon_drm_cs_init_functions(ws
);
298 pipe_mutex_init(ws
->hyperz_owner_mutex
);
299 pipe_mutex_init(ws
->cmask_owner_mutex
);
305 ws
->cman
->destroy(ws
->cman
);
307 ws
->kman
->destroy(ws
->kman
);