77bb8d0d0dcdef0f5c4eddb287817259c5f3790f
[mesa.git] / src / etnaviv / drm-shim / etnaviv_noop.c
1 /*
2 * Copyright (c) 2019 Etnaviv Project
3 * Copyright (c) 2019 Zodiac Inflight Innovations
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
26 */
27
28 #include <stdio.h>
29 #include <sys/ioctl.h>
30 #include "drm-uapi/etnaviv_drm.h"
31 #include "drm-shim/drm_shim.h"
32 #include "util/u_debug.h"
33
34 bool drm_shim_driver_prefers_first_render_node = true;
35
36 struct etna_shim_gpu
37 {
38 const char *name;
39 const uint64_t *reg_map;
40 };
41
42 static const struct etna_shim_gpu gpus[] = {
43 {
44 .name = "GC400",
45 .reg_map = (const uint64_t[]){
46 [ETNAVIV_PARAM_GPU_MODEL] = 0x400,
47 [ETNAVIV_PARAM_GPU_REVISION] = 0x4652,
48 [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xa0e9e004,
49 [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xe1299fff,
50 [ETNAVIV_PARAM_GPU_FEATURES_2] = 0xbe13b219,
51 [ETNAVIV_PARAM_GPU_FEATURES_3] = 0xce110010,
52 [ETNAVIV_PARAM_GPU_FEATURES_4] = 0x8000001,
53 [ETNAVIV_PARAM_GPU_FEATURES_5] = 0x20102,
54 [ETNAVIV_PARAM_GPU_FEATURES_6] = 0x120000,
55 [ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
56 [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x4,
57 [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
58 [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x80,
59 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x8,
60 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x1,
61 [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x1,
62 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x80,
63 [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
64 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x100,
65 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
66 [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x8,
67 [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
68 }
69 },
70 {
71 .name = "GC2000",
72 .reg_map = (const uint64_t[]){
73 [ETNAVIV_PARAM_GPU_MODEL] = 0x2000,
74 [ETNAVIV_PARAM_GPU_REVISION] = 0x5108,
75 [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0296cad,
76 [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc9799eff,
77 [ETNAVIV_PARAM_GPU_FEATURES_2] = 0x2efbf2d9,
78 [ETNAVIV_PARAM_GPU_FEATURES_3] = 0x0,
79 [ETNAVIV_PARAM_GPU_FEATURES_4] = 0x0,
80 [ETNAVIV_PARAM_GPU_FEATURES_5] = 0x0,
81 [ETNAVIV_PARAM_GPU_FEATURES_6] = 0x0,
82 [ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
83 [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x8,
84 [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
85 [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
86 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
87 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
88 [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
89 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x200,
90 [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
91 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x200,
92 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0xa8,
93 [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0xb,
94 [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
95 }
96 },
97 {
98 .name = "GC3000",
99 .reg_map = (const uint64_t[]){
100 [ETNAVIV_PARAM_GPU_MODEL] = 0x3000,
101 [ETNAVIV_PARAM_GPU_REVISION] = 0x5450,
102 [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0287cad,
103 [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc9799efb,
104 [ETNAVIV_PARAM_GPU_FEATURES_2] = 0xfefbfadb,
105 [ETNAVIV_PARAM_GPU_FEATURES_3] = 0xeb9d4bbf,
106 [ETNAVIV_PARAM_GPU_FEATURES_4] = 0xedffdced,
107 [ETNAVIV_PARAM_GPU_FEATURES_5] = 0x930d2f47,
108 [ETNAVIV_PARAM_GPU_FEATURES_6] = 0x10000133,
109 [ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
110 [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x10,
111 [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
112 [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
113 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
114 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
115 [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
116 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x400,
117 [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
118 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x100,
119 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
120 [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x10,
121 [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
122 }
123 },
124 {
125 .name = "GC7000L",
126 .reg_map = (const uint64_t[]){
127 [ETNAVIV_PARAM_GPU_MODEL] = 0x7000,
128 [ETNAVIV_PARAM_GPU_REVISION] = 0x6214,
129 [ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0287cad,
130 [ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc1799eff,
131 [ETNAVIV_PARAM_GPU_FEATURES_2] = 0xfefbfad9,
132 [ETNAVIV_PARAM_GPU_FEATURES_3] = 0xeb9d4fbf,
133 [ETNAVIV_PARAM_GPU_FEATURES_4] = 0xedfffced,
134 [ETNAVIV_PARAM_GPU_FEATURES_5] = 0xdb0dafc7,
135 [ETNAVIV_PARAM_GPU_FEATURES_6] = 0xbb5ac333,
136 [ETNAVIV_PARAM_GPU_FEATURES_7] = 0xfc8ee200,
137 [ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x10,
138 [ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
139 [ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
140 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
141 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
142 [ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
143 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x400,
144 [ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
145 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x200,
146 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
147 [ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x10,
148 [ETNAVIV_PARAM_SOFTPIN_START_ADDR] = 0x00400000,
149 }
150 }
151 };
152
153 static const struct etna_shim_gpu *shim_gpu;
154
155 static int
156 etnaviv_ioctl_noop(int fd, unsigned long request, void *arg)
157 {
158 return 0;
159 }
160
161 static int
162 etnaviv_ioctl_gem_new(int fd, unsigned long request, void *arg)
163 {
164 struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
165 struct drm_etnaviv_gem_new *create = arg;
166 struct shim_bo *bo = calloc(1, sizeof(*bo));
167
168 drm_shim_bo_init(bo, create->size);
169 create->handle = drm_shim_bo_get_handle(shim_fd, bo);
170 drm_shim_bo_put(bo);
171
172 return 0;
173 }
174
175 static int
176 etnaviv_ioctl_gem_info(int fd, unsigned long request, void *arg)
177 {
178 struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
179 struct drm_etnaviv_gem_info *args = arg;
180 struct shim_bo *bo = drm_shim_bo_lookup(shim_fd, args->handle);
181
182 args->offset = drm_shim_bo_get_mmap_offset(shim_fd, bo);
183 drm_shim_bo_put(bo);
184
185 return 0;
186 }
187
188 static int
189 etnaviv_ioctl_get_param(int fd, unsigned long request, void *arg)
190 {
191 struct drm_etnaviv_param *gp = arg;
192
193 if (gp->param > ETNAVIV_PARAM_SOFTPIN_START_ADDR) {
194 fprintf(stderr, "Unknown DRM_IOCTL_ETNAVIV_GET_PARAM %d\n", gp->param);
195 return -1;
196 }
197
198 gp->value = shim_gpu->reg_map[gp->param];
199
200 return 0;
201 }
202
203 static ioctl_fn_t driver_ioctls[] = {
204 [DRM_ETNAVIV_GET_PARAM] = etnaviv_ioctl_get_param,
205 [DRM_ETNAVIV_GEM_NEW] = etnaviv_ioctl_gem_new,
206 [DRM_ETNAVIV_GEM_INFO] = etnaviv_ioctl_gem_info,
207 [DRM_ETNAVIV_GEM_CPU_PREP] = etnaviv_ioctl_noop,
208 [DRM_ETNAVIV_GEM_CPU_FINI] = etnaviv_ioctl_noop,
209 [DRM_ETNAVIV_GEM_SUBMIT] = etnaviv_ioctl_noop,
210 [DRM_ETNAVIV_WAIT_FENCE] = etnaviv_ioctl_noop,
211 [DRM_ETNAVIV_GEM_USERPTR] = etnaviv_ioctl_noop,
212 [DRM_ETNAVIV_GEM_WAIT] = etnaviv_ioctl_noop,
213 [DRM_ETNAVIV_PM_QUERY_DOM] = etnaviv_ioctl_noop,
214 [DRM_ETNAVIV_PM_QUERY_SIG] = etnaviv_ioctl_noop,
215 };
216
217 void
218 drm_shim_driver_init(void)
219 {
220 shim_device.bus_type = DRM_BUS_PLATFORM;
221 shim_device.driver_name = "etnaviv";
222 shim_device.driver_ioctls = driver_ioctls;
223 shim_device.driver_ioctl_count = ARRAY_SIZE(driver_ioctls);
224
225 /* etnaviv uses the DRM version to expose features, instead of getparam. */
226 shim_device.version_major = 1;
227 shim_device.version_minor = 1;
228 shim_device.version_patchlevel = 0;
229
230 drm_shim_override_file("DRIVER=etnaviv\n"
231 "MODALIAS=platform:etnaviv\n",
232 "/sys/dev/char/%d:%d/device/uevent",
233 DRM_MAJOR, render_node_minor);
234
235 /* decide what GPU to emulate */
236 const char *gpu = debug_get_option("ETNA_SHIM_GPU", "GC2000");
237
238 for (unsigned i = 0; i < ARRAY_SIZE(gpus); i++) {
239 if (strncasecmp(gpu, gpus[i].name, strlen(gpus[i].name)) == 0) {
240 shim_gpu = &gpus[i];
241 break;
242 }
243 }
244
245 /* NOTE: keep keep default value and fallback index in sync */
246 if (!shim_gpu)
247 shim_gpu = &gpus[1];
248
249 fprintf(stderr, "Using %s as shim gpu\n", shim_gpu->name);
250 }