2 * Copyright (c) 2019 Etnaviv Project
3 * Copyright (c) 2019 Zodiac Inflight Innovations
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:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
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.
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
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"
37 const uint64_t *reg_map
;
40 static const struct etna_shim_gpu gpus
[] = {
43 .reg_map
= (const uint64_t[]){
44 [ETNAVIV_PARAM_GPU_MODEL
] = 0x2000,
45 [ETNAVIV_PARAM_GPU_REVISION
] = 0x5108,
46 [ETNAVIV_PARAM_GPU_FEATURES_0
] = 0xe0296cad,
47 [ETNAVIV_PARAM_GPU_FEATURES_1
] = 0xc9799eff,
48 [ETNAVIV_PARAM_GPU_FEATURES_2
] = 0x2efbf2d9,
49 [ETNAVIV_PARAM_GPU_FEATURES_3
] = 0x0,
50 [ETNAVIV_PARAM_GPU_FEATURES_4
] = 0x0,
51 [ETNAVIV_PARAM_GPU_FEATURES_5
] = 0x0,
52 [ETNAVIV_PARAM_GPU_FEATURES_6
] = 0x0,
53 [ETNAVIV_PARAM_GPU_FEATURES_7
] = 0x0,
54 [ETNAVIV_PARAM_GPU_STREAM_COUNT
] = 0x8,
55 [ETNAVIV_PARAM_GPU_REGISTER_MAX
] = 0x40,
56 [ETNAVIV_PARAM_GPU_THREAD_COUNT
] = 0x400,
57 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE
] = 0x10,
58 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT
] = 0x4,
59 [ETNAVIV_PARAM_GPU_PIXEL_PIPES
] = 0x2,
60 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE
] = 0x200,
61 [ETNAVIV_PARAM_GPU_BUFFER_SIZE
] = 0x0,
62 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT
] = 0x200,
63 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS
] = 0xa8,
64 [ETNAVIV_PARAM_GPU_NUM_VARYINGS
] = 0xb,
65 [ETNAVIV_PARAM_SOFTPIN_START_ADDR
] = ~0ULL,
70 .reg_map
= (const uint64_t[]){
71 [ETNAVIV_PARAM_GPU_MODEL
] = 0x3000,
72 [ETNAVIV_PARAM_GPU_REVISION
] = 0x5450,
73 [ETNAVIV_PARAM_GPU_FEATURES_0
] = 0xe0287cad,
74 [ETNAVIV_PARAM_GPU_FEATURES_1
] = 0xc9799efb,
75 [ETNAVIV_PARAM_GPU_FEATURES_2
] = 0xfefbfadb,
76 [ETNAVIV_PARAM_GPU_FEATURES_3
] = 0xeb9d4bbf,
77 [ETNAVIV_PARAM_GPU_FEATURES_4
] = 0xedffdced,
78 [ETNAVIV_PARAM_GPU_FEATURES_5
] = 0x930d2f47,
79 [ETNAVIV_PARAM_GPU_FEATURES_6
] = 0x10000133,
80 [ETNAVIV_PARAM_GPU_FEATURES_7
] = 0x0,
81 [ETNAVIV_PARAM_GPU_STREAM_COUNT
] = 0x10,
82 [ETNAVIV_PARAM_GPU_REGISTER_MAX
] = 0x40,
83 [ETNAVIV_PARAM_GPU_THREAD_COUNT
] = 0x400,
84 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE
] = 0x10,
85 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT
] = 0x4,
86 [ETNAVIV_PARAM_GPU_PIXEL_PIPES
] = 0x2,
87 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE
] = 0x400,
88 [ETNAVIV_PARAM_GPU_BUFFER_SIZE
] = 0x0,
89 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT
] = 0x100,
90 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS
] = 0x140,
91 [ETNAVIV_PARAM_GPU_NUM_VARYINGS
] = 0x10,
92 [ETNAVIV_PARAM_SOFTPIN_START_ADDR
] = ~0ULL,
97 .reg_map
= (const uint64_t[]){
98 [ETNAVIV_PARAM_GPU_MODEL
] = 0x7000,
99 [ETNAVIV_PARAM_GPU_REVISION
] = 0x6214,
100 [ETNAVIV_PARAM_GPU_FEATURES_0
] = 0xe0287cad,
101 [ETNAVIV_PARAM_GPU_FEATURES_1
] = 0xc1799eff,
102 [ETNAVIV_PARAM_GPU_FEATURES_2
] = 0xfefbfad9,
103 [ETNAVIV_PARAM_GPU_FEATURES_3
] = 0xeb9d4fbf,
104 [ETNAVIV_PARAM_GPU_FEATURES_4
] = 0xedfffced,
105 [ETNAVIV_PARAM_GPU_FEATURES_5
] = 0xdb0dafc7,
106 [ETNAVIV_PARAM_GPU_FEATURES_6
] = 0xbb5ac333,
107 [ETNAVIV_PARAM_GPU_FEATURES_7
] = 0xfc8ee200,
108 [ETNAVIV_PARAM_GPU_STREAM_COUNT
] = 0x10,
109 [ETNAVIV_PARAM_GPU_REGISTER_MAX
] = 0x40,
110 [ETNAVIV_PARAM_GPU_THREAD_COUNT
] = 0x400,
111 [ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE
] = 0x10,
112 [ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT
] = 0x4,
113 [ETNAVIV_PARAM_GPU_PIXEL_PIPES
] = 0x2,
114 [ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE
] = 0x400,
115 [ETNAVIV_PARAM_GPU_BUFFER_SIZE
] = 0x0,
116 [ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT
] = 0x200,
117 [ETNAVIV_PARAM_GPU_NUM_CONSTANTS
] = 0x140,
118 [ETNAVIV_PARAM_GPU_NUM_VARYINGS
] = 0x10,
119 [ETNAVIV_PARAM_SOFTPIN_START_ADDR
] = 0x00400000,
124 static const struct etna_shim_gpu
*shim_gpu
;
127 etnaviv_ioctl_noop(int fd
, unsigned long request
, void *arg
)
133 etnaviv_ioctl_gem_new(int fd
, unsigned long request
, void *arg
)
135 struct shim_fd
*shim_fd
= drm_shim_fd_lookup(fd
);
136 struct drm_etnaviv_gem_new
*create
= arg
;
137 struct shim_bo
*bo
= calloc(1, sizeof(*bo
));
139 drm_shim_bo_init(bo
, create
->size
);
140 create
->handle
= drm_shim_bo_get_handle(shim_fd
, bo
);
147 etnaviv_ioctl_gem_info(int fd
, unsigned long request
, void *arg
)
149 struct shim_fd
*shim_fd
= drm_shim_fd_lookup(fd
);
150 struct drm_etnaviv_gem_info
*args
= arg
;
151 struct shim_bo
*bo
= drm_shim_bo_lookup(shim_fd
, args
->handle
);
153 args
->offset
= drm_shim_bo_get_mmap_offset(shim_fd
, bo
);
160 etnaviv_ioctl_get_param(int fd
, unsigned long request
, void *arg
)
162 struct drm_etnaviv_param
*gp
= arg
;
164 if (gp
->param
> ETNAVIV_PARAM_SOFTPIN_START_ADDR
) {
165 fprintf(stderr
, "Unknown DRM_IOCTL_ETNAVIV_GET_PARAM %d\n", gp
->param
);
169 gp
->value
= shim_gpu
->reg_map
[gp
->param
];
174 static ioctl_fn_t driver_ioctls
[] = {
175 [DRM_ETNAVIV_GET_PARAM
] = etnaviv_ioctl_get_param
,
176 [DRM_ETNAVIV_GEM_NEW
] = etnaviv_ioctl_gem_new
,
177 [DRM_ETNAVIV_GEM_INFO
] = etnaviv_ioctl_gem_info
,
178 [DRM_ETNAVIV_GEM_CPU_PREP
] = etnaviv_ioctl_noop
,
179 [DRM_ETNAVIV_GEM_CPU_FINI
] = etnaviv_ioctl_noop
,
180 [DRM_ETNAVIV_GEM_SUBMIT
] = etnaviv_ioctl_noop
,
181 [DRM_ETNAVIV_WAIT_FENCE
] = etnaviv_ioctl_noop
,
182 [DRM_ETNAVIV_GEM_USERPTR
] = etnaviv_ioctl_noop
,
183 [DRM_ETNAVIV_GEM_WAIT
] = etnaviv_ioctl_noop
,
184 [DRM_ETNAVIV_PM_QUERY_DOM
] = etnaviv_ioctl_noop
,
185 [DRM_ETNAVIV_PM_QUERY_SIG
] = etnaviv_ioctl_noop
,
189 drm_shim_driver_init(void)
191 shim_device
.driver_name
= "etnaviv";
192 shim_device
.driver_ioctls
= driver_ioctls
;
193 shim_device
.driver_ioctl_count
= ARRAY_SIZE(driver_ioctls
);
195 /* etnaviv uses the DRM version to expose features, instead of getparam. */
196 shim_device
.version_major
= 1;
197 shim_device
.version_minor
= 1;
198 shim_device
.version_patchlevel
= 0;
200 drm_shim_override_file("DRIVER=etnaviv\n"
201 "MODALIAS=platform:etnaviv\n",
202 "/sys/dev/char/%d:%d/device/uevent",
203 DRM_MAJOR
, render_node_minor
);
205 /* decide what GPU to emulate */
206 const char *gpu
= debug_get_option("ETNA_SHIM_GPU", "GC2000");
208 for (unsigned i
= 0; i
< ARRAY_SIZE(gpus
); i
++) {
209 if (strncasecmp(gpu
, gpus
[i
].name
, strlen(gpus
[i
].name
)) == 0) {
215 /* NOTE: keep keep default value and fallback index in sync */
219 fprintf(stderr
, "Using %s as shim gpu\n", shim_gpu
->name
);