1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2013 Rob Clark <robclark (at) freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark (at) freedesktop.org> 27 */ 28 29 #ifdef HAVE_CONFIG_H 30 # include <config.h> 31 #endif 32 33 #include "kgsl_priv.h" 34 35 36 static int kgsl_pipe_get_param(struct fd_pipe *pipe, 37 enum fd_param_id param, uint64_t *value) 38 { 39 struct kgsl_pipe *kgsl_pipe = to_kgsl_pipe(pipe); 40 switch (param) { 41 case FD_DEVICE_ID: 42 *value = kgsl_pipe->devinfo.device_id; 43 return 0; 44 case FD_GPU_ID: 45 *value = kgsl_pipe->devinfo.gpu_id; 46 return 0; 47 case FD_GMEM_SIZE: 48 *value = kgsl_pipe->devinfo.gmem_sizebytes; 49 return 0; 50 case FD_CHIP_ID: 51 *value = kgsl_pipe->devinfo.chip_id; 52 return 0; 53 default: 54 ERROR_MSG("invalid param id: %d", param); 55 return -1; 56 } 57 } 58 59 static int kgsl_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp) 60 { 61 struct kgsl_pipe *kgsl_pipe = to_kgsl_pipe(pipe); 62 struct kgsl_device_waittimestamp req = { 63 .timestamp = timestamp, 64 .timeout = 5000, 65 }; 66 int ret; 67 68 do { 69 ret = ioctl(kgsl_pipe->fd, IOCTL_KGSL_DEVICE_WAITTIMESTAMP, &req); 70 } while ((ret == -1) && ((errno == EINTR) || (errno == EAGAIN))); 71 if (ret) 72 ERROR_MSG("waittimestamp failed! %d (%s)", ret, strerror(errno)); 73 else 74 kgsl_pipe_process_pending(kgsl_pipe, timestamp); 75 return ret; 76 } 77 78 int kgsl_pipe_timestamp(struct kgsl_pipe *kgsl_pipe, uint32_t *timestamp) 79 { 80 struct kgsl_cmdstream_readtimestamp req = { 81 .type = KGSL_TIMESTAMP_RETIRED 82 }; 83 int ret = ioctl(kgsl_pipe->fd, IOCTL_KGSL_CMDSTREAM_READTIMESTAMP, &req); 84 if (ret) { 85 ERROR_MSG("readtimestamp failed! %d (%s)", 86 ret, strerror(errno)); 87 return ret; 88 } 89 *timestamp = req.timestamp; 90 return 0; 91 } 92 93 static void kgsl_pipe_destroy(struct fd_pipe *pipe) 94 { 95 struct kgsl_pipe *kgsl_pipe = to_kgsl_pipe(pipe); 96 struct kgsl_drawctxt_destroy req = { 97 .drawctxt_id = kgsl_pipe->drawctxt_id, 98 }; 99 100 if (kgsl_pipe->drawctxt_id) 101 ioctl(kgsl_pipe->fd, IOCTL_KGSL_DRAWCTXT_DESTROY, &req); 102 103 if (kgsl_pipe->fd) 104 close(kgsl_pipe->fd); 105 106 free(kgsl_pipe); 107 } 108 109 static struct fd_pipe_funcs funcs = { 110 .ringbuffer_new = kgsl_ringbuffer_new, 111 .get_param = kgsl_pipe_get_param, 112 .wait = kgsl_pipe_wait, 113 .destroy = kgsl_pipe_destroy, 114 }; 115 116 int is_kgsl_pipe(struct fd_pipe *pipe) 117 { 118 return pipe->funcs == &funcs; 119 } 120 121 /* add buffer to submit list when it is referenced in cmdstream: */ 122 void kgsl_pipe_add_submit(struct kgsl_pipe *kgsl_pipe, 123 struct kgsl_bo *kgsl_bo) 124 { 125 struct fd_pipe *pipe = &kgsl_pipe->base; 126 struct fd_bo *bo = &kgsl_bo->base; 127 struct list_head *list = &kgsl_bo->list[pipe->id]; 128 if (LIST_IS_EMPTY(list)) { 129 fd_bo_ref(bo); 130 } else { 131 list_del(list); 132 } 133 list_addtail(list, &kgsl_pipe->submit_list); 134 } 135 136 /* prepare buffers on submit list before flush: */ 137 void kgsl_pipe_pre_submit(struct kgsl_pipe *kgsl_pipe) 138 { 139 struct fd_pipe *pipe = &kgsl_pipe->base; 140 struct kgsl_bo *kgsl_bo = NULL; 141 142 if (!kgsl_pipe->p3d) 143 kgsl_pipe->p3d = fd_pipe_new(pipe->dev, FD_PIPE_3D); 144 145 LIST_FOR_EACH_ENTRY(kgsl_bo, &kgsl_pipe->submit_list, list[pipe->id]) { 146 uint32_t timestamp = kgsl_bo_get_timestamp(kgsl_bo); 147 if (timestamp) 148 fd_pipe_wait(kgsl_pipe->p3d, timestamp); 149 } 150 } 151 152 /* process buffers on submit list after flush: */ 153 void kgsl_pipe_post_submit(struct kgsl_pipe *kgsl_pipe, uint32_t timestamp) 154 { 155 struct fd_pipe *pipe = &kgsl_pipe->base; 156 struct kgsl_bo *kgsl_bo = NULL, *tmp; 157 158 LIST_FOR_EACH_ENTRY_SAFE(kgsl_bo, tmp, &kgsl_pipe->submit_list, list[pipe->id]) { 159 struct list_head *list = &kgsl_bo->list[pipe->id]; 160 list_del(list); 161 kgsl_bo->timestamp[pipe->id] = timestamp; 162 list_addtail(list, &kgsl_pipe->pending_list); 163 164 kgsl_bo_set_timestamp(kgsl_bo, timestamp); 165 } 166 167 if (!kgsl_pipe_timestamp(kgsl_pipe, ×tamp)) 168 kgsl_pipe_process_pending(kgsl_pipe, timestamp); 169 } 170 171 void kgsl_pipe_process_pending(struct kgsl_pipe *kgsl_pipe, uint32_t timestamp) 172 { 173 struct fd_pipe *pipe = &kgsl_pipe->base; 174 struct kgsl_bo *kgsl_bo = NULL, *tmp; 175 176 LIST_FOR_EACH_ENTRY_SAFE(kgsl_bo, tmp, &kgsl_pipe->pending_list, list[pipe->id]) { 177 struct list_head *list = &kgsl_bo->list[pipe->id]; 178 if (kgsl_bo->timestamp[pipe->id] > timestamp) 179 return; 180 list_delinit(list); 181 kgsl_bo->timestamp[pipe->id] = 0; 182 fd_bo_del(&kgsl_bo->base); 183 } 184 } 185 186 static int getprop(int fd, enum kgsl_property_type type, 187 void *value, int sizebytes) 188 { 189 struct kgsl_device_getproperty req = { 190 .type = type, 191 .value = value, 192 .sizebytes = sizebytes, 193 }; 194 return ioctl(fd, IOCTL_KGSL_DEVICE_GETPROPERTY, &req); 195 } 196 197 #define GETPROP(fd, prop, x) do { \ 198 if (getprop((fd), KGSL_PROP_##prop, &(x), sizeof(x))) { \ 199 ERROR_MSG("failed to get property: " #prop); \ 200 goto fail; \ 201 } } while (0) 202 203 204 struct fd_pipe * kgsl_pipe_new(struct fd_device *dev, enum fd_pipe_id id) 205 { 206 static const char *paths[] = { 207 [FD_PIPE_3D] = "/dev/kgsl-3d0", 208 [FD_PIPE_2D] = "/dev/kgsl-2d0", 209 }; 210 struct kgsl_drawctxt_create req = { 211 .flags = 0x2000, /* ??? */ 212 }; 213 struct kgsl_pipe *kgsl_pipe = NULL; 214 struct fd_pipe *pipe = NULL; 215 int ret, fd; 216 217 fd = open(paths[id], O_RDWR); 218 if (fd < 0) { 219 ERROR_MSG("could not open %s device: %d (%s)", 220 paths[id], fd, strerror(errno)); 221 goto fail; 222 } 223 224 ret = ioctl(fd, IOCTL_KGSL_DRAWCTXT_CREATE, &req); 225 if (ret) { 226 ERROR_MSG("failed to allocate context: %d (%s)", 227 ret, strerror(errno)); 228 goto fail; 229 } 230 231 kgsl_pipe = calloc(1, sizeof(*kgsl_pipe)); 232 if (!kgsl_pipe) { 233 ERROR_MSG("allocation failed"); 234 goto fail; 235 } 236 237 pipe = &kgsl_pipe->base; 238 pipe->funcs = &funcs; 239 240 kgsl_pipe->fd = fd; 241 kgsl_pipe->drawctxt_id = req.drawctxt_id; 242 243 list_inithead(&kgsl_pipe->submit_list); 244 list_inithead(&kgsl_pipe->pending_list); 245 246 GETPROP(fd, VERSION, kgsl_pipe->version); 247 GETPROP(fd, DEVICE_INFO, kgsl_pipe->devinfo); 248 249 INFO_MSG("Pipe Info:"); 250 INFO_MSG(" Device: %s", paths[id]); 251 INFO_MSG(" Chip-id: %d.%d.%d.%d", 252 (kgsl_pipe->devinfo.chip_id >> 24) & 0xff, 253 (kgsl_pipe->devinfo.chip_id >> 16) & 0xff, 254 (kgsl_pipe->devinfo.chip_id >> 8) & 0xff, 255 (kgsl_pipe->devinfo.chip_id >> 0) & 0xff); 256 INFO_MSG(" Device-id: %d", kgsl_pipe->devinfo.device_id); 257 INFO_MSG(" GPU-id: %d", kgsl_pipe->devinfo.gpu_id); 258 INFO_MSG(" MMU enabled: %d", kgsl_pipe->devinfo.mmu_enabled); 259 INFO_MSG(" GMEM Base addr: 0x%08x", kgsl_pipe->devinfo.gmem_gpubaseaddr); 260 INFO_MSG(" GMEM size: 0x%08x", kgsl_pipe->devinfo.gmem_sizebytes); 261 INFO_MSG(" Driver version: %d.%d", 262 kgsl_pipe->version.drv_major, kgsl_pipe->version.drv_minor); 263 INFO_MSG(" Device version: %d.%d", 264 kgsl_pipe->version.dev_major, kgsl_pipe->version.dev_minor); 265 266 return pipe; 267 fail: 268 if (pipe) 269 fd_pipe_del(pipe); 270 return NULL; 271 } 272
