Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 1 | /* |
| 2 | * \file xf86drmMode.c |
| 3 | * Header for DRM modesetting interface. |
| 4 | * |
| 5 | * \author Jakob Bornecrantz <wallbraker@gmail.com> |
| 6 | * |
| 7 | * \par Acknowledgements: |
| 8 | * Feb 2007, Dave Airlie <airlied@linux.ie> |
| 9 | */ |
| 10 | |
| 11 | /* |
| 12 | * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| 13 | * Copyright (c) 2007-2008 Dave Airlie <airlied@linux.ie> |
| 14 | * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com> |
| 15 | * |
| 16 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 17 | * copy of this software and associated documentation files (the "Software"), |
| 18 | * to deal in the Software without restriction, including without limitation |
| 19 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 20 | * and/or sell copies of the Software, and to permit persons to whom the |
| 21 | * Software is furnished to do so, subject to the following conditions: |
| 22 | * |
| 23 | * The above copyright notice and this permission notice shall be included in |
| 24 | * all copies or substantial portions of the Software. |
| 25 | * |
| 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 27 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 28 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 29 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 30 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 31 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 32 | * IN THE SOFTWARE. |
| 33 | * |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * TODO the types we are after are defined in diffrent headers on diffrent |
| 38 | * platforms find which headers to include to get uint32_t |
| 39 | */ |
| 40 | #include <stdint.h> |
| 41 | #include <sys/ioctl.h> |
| 42 | #include <stdio.h> |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 43 | #include <stdbool.h> |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 44 | |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 45 | #ifdef HAVE_CONFIG_H |
| 46 | #include "config.h" |
| 47 | #endif |
| 48 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 49 | #include "xf86drmMode.h" |
| 50 | #include "xf86drm.h" |
| 51 | #include <drm.h> |
| 52 | #include <string.h> |
| 53 | #include <dirent.h> |
Kristian Høgsberg | b0b9663 | 2009-09-11 13:27:35 -0400 | [diff] [blame] | 54 | #include <unistd.h> |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 55 | #include <errno.h> |
| 56 | |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 57 | #ifdef HAVE_VALGRIND |
| 58 | #include <valgrind.h> |
| 59 | #include <memcheck.h> |
| 60 | #define VG(x) x |
| 61 | #else |
| 62 | #define VG(x) |
| 63 | #endif |
| 64 | |
| 65 | #define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s))) |
| 66 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 67 | #define U642VOID(x) ((void *)(unsigned long)(x)) |
| 68 | #define VOID2U64(x) ((uint64_t)(unsigned long)(x)) |
| 69 | |
Marcin Slusarz | 763b618 | 2011-06-05 18:53:16 +0200 | [diff] [blame] | 70 | static inline int DRM_IOCTL(int fd, unsigned long cmd, void *arg) |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 71 | { |
| 72 | int ret = drmIoctl(fd, cmd, arg); |
| 73 | return ret < 0 ? -errno : ret; |
| 74 | } |
| 75 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 76 | /* |
| 77 | * Util functions |
| 78 | */ |
| 79 | |
| 80 | void* drmAllocCpy(void *array, int count, int entry_size) |
| 81 | { |
| 82 | char *r; |
| 83 | int i; |
| 84 | |
| 85 | if (!count || !array || !entry_size) |
| 86 | return 0; |
| 87 | |
| 88 | if (!(r = drmMalloc(count*entry_size))) |
| 89 | return 0; |
| 90 | |
| 91 | for (i = 0; i < count; i++) |
| 92 | memcpy(r+(entry_size*i), array+(entry_size*i), entry_size); |
| 93 | |
| 94 | return r; |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * A couple of free functions. |
| 99 | */ |
| 100 | |
Jakob Bornecrantz | eb78c53 | 2009-02-11 16:43:20 +0100 | [diff] [blame] | 101 | void drmModeFreeModeInfo(drmModeModeInfoPtr ptr) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 102 | { |
| 103 | if (!ptr) |
| 104 | return; |
| 105 | |
| 106 | drmFree(ptr); |
| 107 | } |
| 108 | |
| 109 | void drmModeFreeResources(drmModeResPtr ptr) |
| 110 | { |
| 111 | if (!ptr) |
| 112 | return; |
| 113 | |
Ville Syrjälä | df497e9 | 2012-02-02 14:53:39 -0500 | [diff] [blame] | 114 | drmFree(ptr->fbs); |
| 115 | drmFree(ptr->crtcs); |
| 116 | drmFree(ptr->connectors); |
| 117 | drmFree(ptr->encoders); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 118 | drmFree(ptr); |
| 119 | |
| 120 | } |
| 121 | |
| 122 | void drmModeFreeFB(drmModeFBPtr ptr) |
| 123 | { |
| 124 | if (!ptr) |
| 125 | return; |
| 126 | |
| 127 | /* we might add more frees later. */ |
| 128 | drmFree(ptr); |
| 129 | } |
| 130 | |
| 131 | void drmModeFreeCrtc(drmModeCrtcPtr ptr) |
| 132 | { |
| 133 | if (!ptr) |
| 134 | return; |
| 135 | |
| 136 | drmFree(ptr); |
| 137 | |
| 138 | } |
| 139 | |
| 140 | void drmModeFreeConnector(drmModeConnectorPtr ptr) |
| 141 | { |
| 142 | if (!ptr) |
| 143 | return; |
| 144 | |
Keith Packard | 0a24654 | 2009-09-17 17:28:08 -0700 | [diff] [blame] | 145 | drmFree(ptr->encoders); |
| 146 | drmFree(ptr->prop_values); |
| 147 | drmFree(ptr->props); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 148 | drmFree(ptr->modes); |
| 149 | drmFree(ptr); |
| 150 | |
| 151 | } |
| 152 | |
| 153 | void drmModeFreeEncoder(drmModeEncoderPtr ptr) |
| 154 | { |
| 155 | drmFree(ptr); |
| 156 | } |
| 157 | |
| 158 | /* |
| 159 | * ModeSetting functions. |
| 160 | */ |
| 161 | |
| 162 | drmModeResPtr drmModeGetResources(int fd) |
| 163 | { |
Chris Wilson | d1308f4 | 2010-01-06 15:19:25 +0000 | [diff] [blame] | 164 | struct drm_mode_card_res res, counts; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 165 | drmModeResPtr r = 0; |
| 166 | |
Chris Wilson | d1308f4 | 2010-01-06 15:19:25 +0000 | [diff] [blame] | 167 | retry: |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 168 | memset(&res, 0, sizeof(struct drm_mode_card_res)); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 169 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) |
| 170 | return 0; |
| 171 | |
Chris Wilson | d1308f4 | 2010-01-06 15:19:25 +0000 | [diff] [blame] | 172 | counts = res; |
| 173 | |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 174 | if (res.count_fbs) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 175 | res.fb_id_ptr = VOID2U64(drmMalloc(res.count_fbs*sizeof(uint32_t))); |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 176 | if (!res.fb_id_ptr) |
| 177 | goto err_allocs; |
| 178 | } |
| 179 | if (res.count_crtcs) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 180 | res.crtc_id_ptr = VOID2U64(drmMalloc(res.count_crtcs*sizeof(uint32_t))); |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 181 | if (!res.crtc_id_ptr) |
| 182 | goto err_allocs; |
| 183 | } |
| 184 | if (res.count_connectors) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 185 | res.connector_id_ptr = VOID2U64(drmMalloc(res.count_connectors*sizeof(uint32_t))); |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 186 | if (!res.connector_id_ptr) |
| 187 | goto err_allocs; |
| 188 | } |
| 189 | if (res.count_encoders) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 190 | res.encoder_id_ptr = VOID2U64(drmMalloc(res.count_encoders*sizeof(uint32_t))); |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 191 | if (!res.encoder_id_ptr) |
| 192 | goto err_allocs; |
| 193 | } |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 194 | |
Chris Wilson | d1308f4 | 2010-01-06 15:19:25 +0000 | [diff] [blame] | 195 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 196 | goto err_allocs; |
Chris Wilson | d1308f4 | 2010-01-06 15:19:25 +0000 | [diff] [blame] | 197 | |
| 198 | /* The number of available connectors and etc may have changed with a |
| 199 | * hotplug event in between the ioctls, in which case the field is |
| 200 | * silently ignored by the kernel. |
| 201 | */ |
| 202 | if (counts.count_fbs < res.count_fbs || |
| 203 | counts.count_crtcs < res.count_crtcs || |
| 204 | counts.count_connectors < res.count_connectors || |
| 205 | counts.count_encoders < res.count_encoders) |
| 206 | { |
| 207 | drmFree(U642VOID(res.fb_id_ptr)); |
| 208 | drmFree(U642VOID(res.crtc_id_ptr)); |
| 209 | drmFree(U642VOID(res.connector_id_ptr)); |
| 210 | drmFree(U642VOID(res.encoder_id_ptr)); |
| 211 | |
| 212 | goto retry; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | /* |
| 216 | * return |
| 217 | */ |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 218 | if (!(r = drmMalloc(sizeof(*r)))) |
Chris Wilson | d1308f4 | 2010-01-06 15:19:25 +0000 | [diff] [blame] | 219 | goto err_allocs; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 220 | |
| 221 | r->min_width = res.min_width; |
| 222 | r->max_width = res.max_width; |
| 223 | r->min_height = res.min_height; |
| 224 | r->max_height = res.max_height; |
| 225 | r->count_fbs = res.count_fbs; |
| 226 | r->count_crtcs = res.count_crtcs; |
| 227 | r->count_connectors = res.count_connectors; |
| 228 | r->count_encoders = res.count_encoders; |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 229 | |
| 230 | r->fbs = drmAllocCpy(U642VOID(res.fb_id_ptr), res.count_fbs, sizeof(uint32_t)); |
| 231 | r->crtcs = drmAllocCpy(U642VOID(res.crtc_id_ptr), res.count_crtcs, sizeof(uint32_t)); |
| 232 | r->connectors = drmAllocCpy(U642VOID(res.connector_id_ptr), res.count_connectors, sizeof(uint32_t)); |
| 233 | r->encoders = drmAllocCpy(U642VOID(res.encoder_id_ptr), res.count_encoders, sizeof(uint32_t)); |
Chris Wilson | e6c136c | 2010-01-06 16:53:33 +0000 | [diff] [blame] | 234 | if ((res.count_fbs && !r->fbs) || |
| 235 | (res.count_crtcs && !r->crtcs) || |
| 236 | (res.count_connectors && !r->connectors) || |
| 237 | (res.count_encoders && !r->encoders)) |
| 238 | { |
Chris Wilson | 85fb3e5 | 2010-01-06 15:39:49 +0000 | [diff] [blame] | 239 | drmFree(r->fbs); |
| 240 | drmFree(r->crtcs); |
| 241 | drmFree(r->connectors); |
| 242 | drmFree(r->encoders); |
| 243 | drmFree(r); |
| 244 | r = 0; |
| 245 | } |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 246 | |
| 247 | err_allocs: |
| 248 | drmFree(U642VOID(res.fb_id_ptr)); |
| 249 | drmFree(U642VOID(res.crtc_id_ptr)); |
| 250 | drmFree(U642VOID(res.connector_id_ptr)); |
| 251 | drmFree(U642VOID(res.encoder_id_ptr)); |
| 252 | |
| 253 | return r; |
| 254 | } |
| 255 | |
| 256 | int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, |
| 257 | uint8_t bpp, uint32_t pitch, uint32_t bo_handle, |
| 258 | uint32_t *buf_id) |
| 259 | { |
| 260 | struct drm_mode_fb_cmd f; |
| 261 | int ret; |
| 262 | |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 263 | VG_CLEAR(f); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 264 | f.width = width; |
| 265 | f.height = height; |
| 266 | f.pitch = pitch; |
| 267 | f.bpp = bpp; |
| 268 | f.depth = depth; |
| 269 | f.handle = bo_handle; |
| 270 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 271 | if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB, &f))) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 272 | return ret; |
| 273 | |
| 274 | *buf_id = f.fb_id; |
| 275 | return 0; |
| 276 | } |
| 277 | |
Jesse Barnes | ac168bf | 2011-04-29 08:53:53 -0700 | [diff] [blame] | 278 | int drmModeAddFB2(int fd, uint32_t width, uint32_t height, |
| 279 | uint32_t pixel_format, uint32_t bo_handles[4], |
| 280 | uint32_t pitches[4], uint32_t offsets[4], |
| 281 | uint32_t *buf_id, uint32_t flags) |
| 282 | { |
| 283 | struct drm_mode_fb_cmd2 f; |
| 284 | int ret; |
| 285 | |
| 286 | f.width = width; |
| 287 | f.height = height; |
| 288 | f.pixel_format = pixel_format; |
| 289 | f.flags = flags; |
Ville Syrjälä | 76b4a69 | 2012-02-02 14:53:43 -0500 | [diff] [blame] | 290 | memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0])); |
| 291 | memcpy(f.pitches, pitches, 4 * sizeof(pitches[0])); |
| 292 | memcpy(f.offsets, offsets, 4 * sizeof(offsets[0])); |
Jesse Barnes | ac168bf | 2011-04-29 08:53:53 -0700 | [diff] [blame] | 293 | |
| 294 | if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f))) |
| 295 | return ret; |
| 296 | |
| 297 | *buf_id = f.fb_id; |
| 298 | return 0; |
| 299 | } |
| 300 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 301 | int drmModeRmFB(int fd, uint32_t bufferId) |
| 302 | { |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 303 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 304 | |
| 305 | |
| 306 | } |
| 307 | |
| 308 | drmModeFBPtr drmModeGetFB(int fd, uint32_t buf) |
| 309 | { |
| 310 | struct drm_mode_fb_cmd info; |
| 311 | drmModeFBPtr r; |
| 312 | |
| 313 | info.fb_id = buf; |
| 314 | |
| 315 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETFB, &info)) |
| 316 | return NULL; |
| 317 | |
| 318 | if (!(r = drmMalloc(sizeof(*r)))) |
| 319 | return NULL; |
| 320 | |
| 321 | r->fb_id = info.fb_id; |
| 322 | r->width = info.width; |
| 323 | r->height = info.height; |
| 324 | r->pitch = info.pitch; |
| 325 | r->bpp = info.bpp; |
| 326 | r->handle = info.handle; |
| 327 | r->depth = info.depth; |
| 328 | |
| 329 | return r; |
| 330 | } |
| 331 | |
Jakob Bornecrantz | 3e48613 | 2009-11-24 18:00:12 +0100 | [diff] [blame] | 332 | int drmModeDirtyFB(int fd, uint32_t bufferId, |
| 333 | drmModeClipPtr clips, uint32_t num_clips) |
| 334 | { |
| 335 | struct drm_mode_fb_dirty_cmd dirty = { 0 }; |
| 336 | |
| 337 | dirty.fb_id = bufferId; |
| 338 | dirty.clips_ptr = VOID2U64(clips); |
| 339 | dirty.num_clips = num_clips; |
| 340 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 341 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_DIRTYFB, &dirty); |
Jakob Bornecrantz | 3e48613 | 2009-11-24 18:00:12 +0100 | [diff] [blame] | 342 | } |
| 343 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 344 | |
| 345 | /* |
| 346 | * Crtc functions |
| 347 | */ |
| 348 | |
| 349 | drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId) |
| 350 | { |
| 351 | struct drm_mode_crtc crtc; |
| 352 | drmModeCrtcPtr r; |
| 353 | |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 354 | VG_CLEAR(crtc); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 355 | crtc.crtc_id = crtcId; |
| 356 | |
| 357 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc)) |
| 358 | return 0; |
| 359 | |
| 360 | /* |
| 361 | * return |
| 362 | */ |
| 363 | |
| 364 | if (!(r = drmMalloc(sizeof(*r)))) |
| 365 | return 0; |
| 366 | |
| 367 | r->crtc_id = crtc.crtc_id; |
| 368 | r->x = crtc.x; |
| 369 | r->y = crtc.y; |
| 370 | r->mode_valid = crtc.mode_valid; |
Rob Clark | e81acf5 | 2012-10-14 16:55:32 -0500 | [diff] [blame] | 371 | if (r->mode_valid) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 372 | memcpy(&r->mode, &crtc.mode, sizeof(struct drm_mode_modeinfo)); |
Rob Clark | e81acf5 | 2012-10-14 16:55:32 -0500 | [diff] [blame] | 373 | r->width = crtc.mode.hdisplay; |
| 374 | r->height = crtc.mode.vdisplay; |
| 375 | } |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 376 | r->buffer_id = crtc.fb_id; |
| 377 | r->gamma_size = crtc.gamma_size; |
| 378 | return r; |
| 379 | } |
| 380 | |
| 381 | |
| 382 | int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, |
| 383 | uint32_t x, uint32_t y, uint32_t *connectors, int count, |
Jakob Bornecrantz | eb78c53 | 2009-02-11 16:43:20 +0100 | [diff] [blame] | 384 | drmModeModeInfoPtr mode) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 385 | { |
| 386 | struct drm_mode_crtc crtc; |
| 387 | |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 388 | VG_CLEAR(crtc); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 389 | crtc.x = x; |
| 390 | crtc.y = y; |
| 391 | crtc.crtc_id = crtcId; |
| 392 | crtc.fb_id = bufferId; |
| 393 | crtc.set_connectors_ptr = VOID2U64(connectors); |
| 394 | crtc.count_connectors = count; |
| 395 | if (mode) { |
| 396 | memcpy(&crtc.mode, mode, sizeof(struct drm_mode_modeinfo)); |
| 397 | crtc.mode_valid = 1; |
| 398 | } else |
| 399 | crtc.mode_valid = 0; |
| 400 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 401 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETCRTC, &crtc); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | /* |
| 405 | * Cursor manipulation |
| 406 | */ |
| 407 | |
| 408 | int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height) |
| 409 | { |
| 410 | struct drm_mode_cursor arg; |
| 411 | |
| 412 | arg.flags = DRM_MODE_CURSOR_BO; |
| 413 | arg.crtc_id = crtcId; |
| 414 | arg.width = width; |
| 415 | arg.height = height; |
| 416 | arg.handle = bo_handle; |
| 417 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 418 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 419 | } |
| 420 | |
Dave Airlie | 2e0ab62 | 2013-07-02 09:21:06 +0100 | [diff] [blame] | 421 | int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y) |
| 422 | { |
| 423 | struct drm_mode_cursor2 arg; |
| 424 | |
| 425 | arg.flags = DRM_MODE_CURSOR_BO; |
| 426 | arg.crtc_id = crtcId; |
| 427 | arg.width = width; |
| 428 | arg.height = height; |
| 429 | arg.handle = bo_handle; |
| 430 | arg.hot_x = hot_x; |
| 431 | arg.hot_y = hot_y; |
| 432 | |
| 433 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR2, &arg); |
| 434 | } |
| 435 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 436 | int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y) |
| 437 | { |
| 438 | struct drm_mode_cursor arg; |
| 439 | |
| 440 | arg.flags = DRM_MODE_CURSOR_MOVE; |
| 441 | arg.crtc_id = crtcId; |
| 442 | arg.x = x; |
| 443 | arg.y = y; |
| 444 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 445 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | /* |
| 449 | * Encoder get |
| 450 | */ |
| 451 | drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id) |
| 452 | { |
| 453 | struct drm_mode_get_encoder enc; |
| 454 | drmModeEncoderPtr r = NULL; |
| 455 | |
| 456 | enc.encoder_id = encoder_id; |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 457 | enc.crtc_id = 0; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 458 | enc.encoder_type = 0; |
| 459 | enc.possible_crtcs = 0; |
| 460 | enc.possible_clones = 0; |
| 461 | |
| 462 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc)) |
| 463 | return 0; |
| 464 | |
| 465 | if (!(r = drmMalloc(sizeof(*r)))) |
| 466 | return 0; |
| 467 | |
| 468 | r->encoder_id = enc.encoder_id; |
| 469 | r->crtc_id = enc.crtc_id; |
| 470 | r->encoder_type = enc.encoder_type; |
| 471 | r->possible_crtcs = enc.possible_crtcs; |
| 472 | r->possible_clones = enc.possible_clones; |
| 473 | |
| 474 | return r; |
| 475 | } |
| 476 | |
| 477 | /* |
| 478 | * Connector manipulation |
| 479 | */ |
| 480 | |
| 481 | drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id) |
| 482 | { |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 483 | struct drm_mode_get_connector conn, counts; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 484 | drmModeConnectorPtr r = NULL; |
| 485 | |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 486 | retry: |
| 487 | memset(&conn, 0, sizeof(struct drm_mode_get_connector)); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 488 | conn.connector_id = connector_id; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 489 | |
| 490 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn)) |
| 491 | return 0; |
| 492 | |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 493 | counts = conn; |
| 494 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 495 | if (conn.count_props) { |
| 496 | conn.props_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint32_t))); |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 497 | if (!conn.props_ptr) |
| 498 | goto err_allocs; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 499 | conn.prop_values_ptr = VOID2U64(drmMalloc(conn.count_props*sizeof(uint64_t))); |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 500 | if (!conn.prop_values_ptr) |
| 501 | goto err_allocs; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 502 | } |
| 503 | |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 504 | if (conn.count_modes) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 505 | conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo))); |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 506 | if (!conn.modes_ptr) |
| 507 | goto err_allocs; |
| 508 | } |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 509 | |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 510 | if (conn.count_encoders) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 511 | conn.encoders_ptr = VOID2U64(drmMalloc(conn.count_encoders*sizeof(uint32_t))); |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 512 | if (!conn.encoders_ptr) |
| 513 | goto err_allocs; |
| 514 | } |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 515 | |
| 516 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn)) |
| 517 | goto err_allocs; |
| 518 | |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 519 | /* The number of available connectors and etc may have changed with a |
| 520 | * hotplug event in between the ioctls, in which case the field is |
| 521 | * silently ignored by the kernel. |
| 522 | */ |
| 523 | if (counts.count_props < conn.count_props || |
| 524 | counts.count_modes < conn.count_modes || |
| 525 | counts.count_encoders < conn.count_encoders) { |
| 526 | drmFree(U642VOID(conn.props_ptr)); |
| 527 | drmFree(U642VOID(conn.prop_values_ptr)); |
| 528 | drmFree(U642VOID(conn.modes_ptr)); |
| 529 | drmFree(U642VOID(conn.encoders_ptr)); |
| 530 | |
| 531 | goto retry; |
| 532 | } |
| 533 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 534 | if(!(r = drmMalloc(sizeof(*r)))) { |
| 535 | goto err_allocs; |
| 536 | } |
| 537 | |
| 538 | r->connector_id = conn.connector_id; |
| 539 | r->encoder_id = conn.encoder_id; |
| 540 | r->connection = conn.connection; |
| 541 | r->mmWidth = conn.mm_width; |
| 542 | r->mmHeight = conn.mm_height; |
Dave Airlie | 412d370 | 2009-04-22 20:25:40 +1000 | [diff] [blame] | 543 | /* convert subpixel from kernel to userspace */ |
| 544 | r->subpixel = conn.subpixel + 1; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 545 | r->count_modes = conn.count_modes; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 546 | r->count_props = conn.count_props; |
| 547 | r->props = drmAllocCpy(U642VOID(conn.props_ptr), conn.count_props, sizeof(uint32_t)); |
| 548 | r->prop_values = drmAllocCpy(U642VOID(conn.prop_values_ptr), conn.count_props, sizeof(uint64_t)); |
| 549 | r->modes = drmAllocCpy(U642VOID(conn.modes_ptr), conn.count_modes, sizeof(struct drm_mode_modeinfo)); |
| 550 | r->count_encoders = conn.count_encoders; |
| 551 | r->encoders = drmAllocCpy(U642VOID(conn.encoders_ptr), conn.count_encoders, sizeof(uint32_t)); |
| 552 | r->connector_type = conn.connector_type; |
| 553 | r->connector_type_id = conn.connector_type_id; |
| 554 | |
Peter Clifton | 04f90a4 | 2010-01-06 20:44:11 +0000 | [diff] [blame] | 555 | if ((r->count_props && !r->props) || |
| 556 | (r->count_props && !r->prop_values) || |
| 557 | (r->count_modes && !r->modes) || |
| 558 | (r->count_encoders && !r->encoders)) { |
| 559 | drmFree(r->props); |
| 560 | drmFree(r->prop_values); |
| 561 | drmFree(r->modes); |
| 562 | drmFree(r->encoders); |
| 563 | drmFree(r); |
| 564 | r = 0; |
| 565 | } |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 566 | |
| 567 | err_allocs: |
| 568 | drmFree(U642VOID(conn.prop_values_ptr)); |
| 569 | drmFree(U642VOID(conn.props_ptr)); |
| 570 | drmFree(U642VOID(conn.modes_ptr)); |
| 571 | drmFree(U642VOID(conn.encoders_ptr)); |
| 572 | |
| 573 | return r; |
| 574 | } |
| 575 | |
Jakob Bornecrantz | eb78c53 | 2009-02-11 16:43:20 +0100 | [diff] [blame] | 576 | int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 577 | { |
| 578 | struct drm_mode_mode_cmd res; |
| 579 | |
| 580 | memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo)); |
| 581 | res.connector_id = connector_id; |
| 582 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 583 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_ATTACHMODE, &res); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 584 | } |
| 585 | |
Jakob Bornecrantz | eb78c53 | 2009-02-11 16:43:20 +0100 | [diff] [blame] | 586 | int drmModeDetachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 587 | { |
| 588 | struct drm_mode_mode_cmd res; |
| 589 | |
| 590 | memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo)); |
| 591 | res.connector_id = connector_id; |
| 592 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 593 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_DETACHMODE, &res); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 594 | } |
| 595 | |
| 596 | |
| 597 | drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id) |
| 598 | { |
| 599 | struct drm_mode_get_property prop; |
| 600 | drmModePropertyPtr r; |
| 601 | |
Eric Anholt | 734de70 | 2013-12-28 22:06:51 -0800 | [diff] [blame] | 602 | VG_CLEAR(prop); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 603 | prop.prop_id = property_id; |
| 604 | prop.count_enum_blobs = 0; |
| 605 | prop.count_values = 0; |
| 606 | prop.flags = 0; |
| 607 | prop.enum_blob_ptr = 0; |
| 608 | prop.values_ptr = 0; |
| 609 | |
| 610 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) |
| 611 | return 0; |
| 612 | |
| 613 | if (prop.count_values) |
| 614 | prop.values_ptr = VOID2U64(drmMalloc(prop.count_values * sizeof(uint64_t))); |
| 615 | |
Rob Clark | 7b228e9 | 2012-06-05 12:28:22 -0500 | [diff] [blame] | 616 | if (prop.count_enum_blobs && (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 617 | prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(struct drm_mode_property_enum))); |
| 618 | |
| 619 | if (prop.count_enum_blobs && (prop.flags & DRM_MODE_PROP_BLOB)) { |
| 620 | prop.values_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(uint32_t))); |
| 621 | prop.enum_blob_ptr = VOID2U64(drmMalloc(prop.count_enum_blobs * sizeof(uint32_t))); |
| 622 | } |
| 623 | |
| 624 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) { |
| 625 | r = NULL; |
| 626 | goto err_allocs; |
| 627 | } |
| 628 | |
| 629 | if (!(r = drmMalloc(sizeof(*r)))) |
| 630 | return NULL; |
| 631 | |
| 632 | r->prop_id = prop.prop_id; |
| 633 | r->count_values = prop.count_values; |
| 634 | |
| 635 | r->flags = prop.flags; |
| 636 | if (prop.count_values) |
| 637 | r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_values, sizeof(uint64_t)); |
Rob Clark | 7b228e9 | 2012-06-05 12:28:22 -0500 | [diff] [blame] | 638 | if (prop.flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 639 | r->count_enums = prop.count_enum_blobs; |
| 640 | r->enums = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(struct drm_mode_property_enum)); |
| 641 | } else if (prop.flags & DRM_MODE_PROP_BLOB) { |
| 642 | r->values = drmAllocCpy(U642VOID(prop.values_ptr), prop.count_enum_blobs, sizeof(uint32_t)); |
| 643 | r->blob_ids = drmAllocCpy(U642VOID(prop.enum_blob_ptr), prop.count_enum_blobs, sizeof(uint32_t)); |
| 644 | r->count_blobs = prop.count_enum_blobs; |
| 645 | } |
| 646 | strncpy(r->name, prop.name, DRM_PROP_NAME_LEN); |
| 647 | r->name[DRM_PROP_NAME_LEN-1] = 0; |
| 648 | |
| 649 | err_allocs: |
| 650 | drmFree(U642VOID(prop.values_ptr)); |
| 651 | drmFree(U642VOID(prop.enum_blob_ptr)); |
| 652 | |
| 653 | return r; |
| 654 | } |
| 655 | |
| 656 | void drmModeFreeProperty(drmModePropertyPtr ptr) |
| 657 | { |
| 658 | if (!ptr) |
| 659 | return; |
| 660 | |
| 661 | drmFree(ptr->values); |
| 662 | drmFree(ptr->enums); |
| 663 | drmFree(ptr); |
| 664 | } |
| 665 | |
| 666 | drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id) |
| 667 | { |
| 668 | struct drm_mode_get_blob blob; |
| 669 | drmModePropertyBlobPtr r; |
| 670 | |
| 671 | blob.length = 0; |
| 672 | blob.data = 0; |
| 673 | blob.blob_id = blob_id; |
| 674 | |
| 675 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) |
| 676 | return NULL; |
| 677 | |
| 678 | if (blob.length) |
| 679 | blob.data = VOID2U64(drmMalloc(blob.length)); |
| 680 | |
| 681 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) { |
| 682 | r = NULL; |
| 683 | goto err_allocs; |
| 684 | } |
| 685 | |
| 686 | if (!(r = drmMalloc(sizeof(*r)))) |
Chris Wilson | 8a76244 | 2010-08-24 21:29:31 +0100 | [diff] [blame] | 687 | goto err_allocs; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 688 | |
| 689 | r->id = blob.blob_id; |
| 690 | r->length = blob.length; |
| 691 | r->data = drmAllocCpy(U642VOID(blob.data), 1, blob.length); |
| 692 | |
| 693 | err_allocs: |
| 694 | drmFree(U642VOID(blob.data)); |
| 695 | return r; |
| 696 | } |
| 697 | |
| 698 | void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr) |
| 699 | { |
| 700 | if (!ptr) |
| 701 | return; |
| 702 | |
| 703 | drmFree(ptr->data); |
| 704 | drmFree(ptr); |
| 705 | } |
| 706 | |
| 707 | int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id, |
| 708 | uint64_t value) |
| 709 | { |
| 710 | struct drm_mode_connector_set_property osp; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 711 | |
| 712 | osp.connector_id = connector_id; |
| 713 | osp.prop_id = property_id; |
| 714 | osp.value = value; |
| 715 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 716 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPROPERTY, &osp); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 717 | } |
| 718 | |
| 719 | /* |
| 720 | * checks if a modesetting capable driver has attached to the pci id |
| 721 | * returns 0 if modesetting supported. |
| 722 | * -EINVAL or invalid bus id |
| 723 | * -ENOSYS if no modesetting support |
| 724 | */ |
| 725 | int drmCheckModesettingSupported(const char *busid) |
| 726 | { |
Robert Millan | cbb31f2 | 2014-01-23 14:46:05 +0000 | [diff] [blame] | 727 | #if defined (__linux__) |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 728 | char pci_dev_dir[1024]; |
| 729 | int domain, bus, dev, func; |
| 730 | DIR *sysdir; |
| 731 | struct dirent *dent; |
| 732 | int found = 0, ret; |
| 733 | |
| 734 | ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev, &func); |
| 735 | if (ret != 4) |
| 736 | return -EINVAL; |
| 737 | |
| 738 | sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/drm", |
| 739 | domain, bus, dev, func); |
| 740 | |
| 741 | sysdir = opendir(pci_dev_dir); |
| 742 | if (sysdir) { |
| 743 | dent = readdir(sysdir); |
| 744 | while (dent) { |
| 745 | if (!strncmp(dent->d_name, "controlD", 8)) { |
| 746 | found = 1; |
| 747 | break; |
| 748 | } |
| 749 | |
| 750 | dent = readdir(sysdir); |
| 751 | } |
| 752 | closedir(sysdir); |
| 753 | if (found) |
| 754 | return 0; |
| 755 | } |
| 756 | |
| 757 | sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/", |
| 758 | domain, bus, dev, func); |
| 759 | |
| 760 | sysdir = opendir(pci_dev_dir); |
| 761 | if (!sysdir) |
| 762 | return -EINVAL; |
| 763 | |
| 764 | dent = readdir(sysdir); |
| 765 | while (dent) { |
| 766 | if (!strncmp(dent->d_name, "drm:controlD", 12)) { |
| 767 | found = 1; |
| 768 | break; |
| 769 | } |
| 770 | |
| 771 | dent = readdir(sysdir); |
| 772 | } |
| 773 | |
| 774 | closedir(sysdir); |
| 775 | if (found) |
| 776 | return 0; |
Robert Millan | cbb31f2 | 2014-01-23 14:46:05 +0000 | [diff] [blame] | 777 | #elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__) |
| 778 | char kbusid[1024], sbusid[1024]; |
| 779 | char oid[128]; |
| 780 | int domain, bus, dev, func; |
| 781 | int i, modesetting, ret; |
| 782 | size_t len; |
| 783 | |
| 784 | ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev, |
| 785 | &func); |
| 786 | if (ret != 4) |
| 787 | return -EINVAL; |
| 788 | snprintf(kbusid, sizeof(kbusid), "pci:%04x:%02x:%02x.%d", domain, bus, |
| 789 | dev, func); |
| 790 | |
| 791 | /* How many GPUs do we expect in the machine ? */ |
| 792 | for (i = 0; i < 16; i++) { |
| 793 | snprintf(oid, sizeof(oid), "hw.dri.%d.busid", i); |
| 794 | len = sizeof(sbusid); |
| 795 | ret = sysctlbyname(oid, sbusid, &len, NULL, 0); |
| 796 | if (ret == -1) { |
| 797 | if (errno == ENOENT) |
| 798 | continue; |
| 799 | return -EINVAL; |
| 800 | } |
| 801 | if (strcmp(sbusid, kbusid) != 0) |
| 802 | continue; |
| 803 | snprintf(oid, sizeof(oid), "hw.dri.%d.modesetting", i); |
| 804 | len = sizeof(modesetting); |
| 805 | ret = sysctlbyname(oid, &modesetting, &len, NULL, 0); |
| 806 | if (ret == -1 || len != sizeof(modesetting)) |
| 807 | return -EINVAL; |
| 808 | return (modesetting ? 0 : -ENOSYS); |
| 809 | } |
François Tigeot | edbb4e5 | 2014-07-26 13:39:58 +0200 | [diff] [blame] | 810 | #elif defined(__DragonFly__) |
| 811 | return 0; |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 812 | #endif |
| 813 | return -ENOSYS; |
| 814 | |
| 815 | } |
| 816 | |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 817 | int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size, |
| 818 | uint16_t *red, uint16_t *green, uint16_t *blue) |
| 819 | { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 820 | struct drm_mode_crtc_lut l; |
| 821 | |
| 822 | l.crtc_id = crtc_id; |
| 823 | l.gamma_size = size; |
| 824 | l.red = VOID2U64(red); |
| 825 | l.green = VOID2U64(green); |
| 826 | l.blue = VOID2U64(blue); |
| 827 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 828 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_GETGAMMA, &l); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size, |
| 832 | uint16_t *red, uint16_t *green, uint16_t *blue) |
| 833 | { |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 834 | struct drm_mode_crtc_lut l; |
| 835 | |
| 836 | l.crtc_id = crtc_id; |
| 837 | l.gamma_size = size; |
| 838 | l.red = VOID2U64(red); |
| 839 | l.green = VOID2U64(green); |
| 840 | l.blue = VOID2U64(blue); |
| 841 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 842 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETGAMMA, &l); |
Jesse Barnes | 731cd55 | 2008-12-17 10:09:49 -0800 | [diff] [blame] | 843 | } |
Kristian Høgsberg | b0b9663 | 2009-09-11 13:27:35 -0400 | [diff] [blame] | 844 | |
| 845 | int drmHandleEvent(int fd, drmEventContextPtr evctx) |
| 846 | { |
| 847 | char buffer[1024]; |
| 848 | int len, i; |
| 849 | struct drm_event *e; |
| 850 | struct drm_event_vblank *vblank; |
| 851 | |
| 852 | /* The DRM read semantics guarantees that we always get only |
| 853 | * complete events. */ |
| 854 | |
| 855 | len = read(fd, buffer, sizeof buffer); |
| 856 | if (len == 0) |
| 857 | return 0; |
| 858 | if (len < sizeof *e) |
| 859 | return -1; |
| 860 | |
| 861 | i = 0; |
| 862 | while (i < len) { |
| 863 | e = (struct drm_event *) &buffer[i]; |
| 864 | switch (e->type) { |
| 865 | case DRM_EVENT_VBLANK: |
| 866 | if (evctx->version < 1 || |
| 867 | evctx->vblank_handler == NULL) |
| 868 | break; |
| 869 | vblank = (struct drm_event_vblank *) e; |
| 870 | evctx->vblank_handler(fd, |
| 871 | vblank->sequence, |
| 872 | vblank->tv_sec, |
| 873 | vblank->tv_usec, |
| 874 | U642VOID (vblank->user_data)); |
| 875 | break; |
Kristian Høgsberg | b80bcff | 2009-11-12 14:06:45 -0500 | [diff] [blame] | 876 | case DRM_EVENT_FLIP_COMPLETE: |
Jesse Barnes | 14f5958 | 2009-12-03 14:20:51 -0800 | [diff] [blame] | 877 | if (evctx->version < 2 || |
Kristian Høgsberg | b80bcff | 2009-11-12 14:06:45 -0500 | [diff] [blame] | 878 | evctx->page_flip_handler == NULL) |
| 879 | break; |
| 880 | vblank = (struct drm_event_vblank *) e; |
| 881 | evctx->page_flip_handler(fd, |
| 882 | vblank->sequence, |
| 883 | vblank->tv_sec, |
| 884 | vblank->tv_usec, |
| 885 | U642VOID (vblank->user_data)); |
| 886 | break; |
Kristian Høgsberg | b0b9663 | 2009-09-11 13:27:35 -0400 | [diff] [blame] | 887 | default: |
| 888 | break; |
| 889 | } |
| 890 | i += e->length; |
| 891 | } |
| 892 | |
| 893 | return 0; |
| 894 | } |
| 895 | |
Kristian Høgsberg | b80bcff | 2009-11-12 14:06:45 -0500 | [diff] [blame] | 896 | int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, |
| 897 | uint32_t flags, void *user_data) |
| 898 | { |
| 899 | struct drm_mode_crtc_page_flip flip; |
| 900 | |
| 901 | flip.fb_id = fb_id; |
| 902 | flip.crtc_id = crtc_id; |
| 903 | flip.user_data = VOID2U64(user_data); |
| 904 | flip.flags = flags; |
| 905 | flip.reserved = 0; |
| 906 | |
Chris Wilson | b803918 | 2010-07-01 22:38:54 +0100 | [diff] [blame] | 907 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip); |
Kristian Høgsberg | b80bcff | 2009-11-12 14:06:45 -0500 | [diff] [blame] | 908 | } |
Jesse Barnes | ac168bf | 2011-04-29 08:53:53 -0700 | [diff] [blame] | 909 | |
| 910 | int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, |
| 911 | uint32_t fb_id, uint32_t flags, |
Daniel Kurtz | 828c3e8 | 2014-05-01 19:56:43 +0800 | [diff] [blame] | 912 | int32_t crtc_x, int32_t crtc_y, |
Jesse Barnes | ac168bf | 2011-04-29 08:53:53 -0700 | [diff] [blame] | 913 | uint32_t crtc_w, uint32_t crtc_h, |
| 914 | uint32_t src_x, uint32_t src_y, |
| 915 | uint32_t src_w, uint32_t src_h) |
| 916 | |
| 917 | { |
| 918 | struct drm_mode_set_plane s; |
| 919 | |
| 920 | s.plane_id = plane_id; |
| 921 | s.crtc_id = crtc_id; |
| 922 | s.fb_id = fb_id; |
| 923 | s.flags = flags; |
| 924 | s.crtc_x = crtc_x; |
| 925 | s.crtc_y = crtc_y; |
| 926 | s.crtc_w = crtc_w; |
| 927 | s.crtc_h = crtc_h; |
| 928 | s.src_x = src_x; |
| 929 | s.src_y = src_y; |
| 930 | s.src_w = src_w; |
| 931 | s.src_h = src_h; |
| 932 | |
| 933 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPLANE, &s); |
| 934 | } |
| 935 | |
| 936 | |
| 937 | drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id) |
| 938 | { |
| 939 | struct drm_mode_get_plane ovr, counts; |
| 940 | drmModePlanePtr r = 0; |
| 941 | |
| 942 | retry: |
| 943 | memset(&ovr, 0, sizeof(struct drm_mode_get_plane)); |
| 944 | ovr.plane_id = plane_id; |
| 945 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) |
| 946 | return 0; |
| 947 | |
| 948 | counts = ovr; |
| 949 | |
| 950 | if (ovr.count_format_types) { |
| 951 | ovr.format_type_ptr = VOID2U64(drmMalloc(ovr.count_format_types * |
| 952 | sizeof(uint32_t))); |
| 953 | if (!ovr.format_type_ptr) |
| 954 | goto err_allocs; |
| 955 | } |
| 956 | |
| 957 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) |
| 958 | goto err_allocs; |
| 959 | |
| 960 | if (counts.count_format_types < ovr.count_format_types) { |
| 961 | drmFree(U642VOID(ovr.format_type_ptr)); |
| 962 | goto retry; |
| 963 | } |
| 964 | |
| 965 | if (!(r = drmMalloc(sizeof(*r)))) |
| 966 | goto err_allocs; |
| 967 | |
| 968 | r->count_formats = ovr.count_format_types; |
| 969 | r->plane_id = ovr.plane_id; |
| 970 | r->crtc_id = ovr.crtc_id; |
| 971 | r->fb_id = ovr.fb_id; |
| 972 | r->possible_crtcs = ovr.possible_crtcs; |
| 973 | r->gamma_size = ovr.gamma_size; |
| 974 | r->formats = drmAllocCpy(U642VOID(ovr.format_type_ptr), |
| 975 | ovr.count_format_types, sizeof(uint32_t)); |
| 976 | if (ovr.count_format_types && !r->formats) { |
| 977 | drmFree(r->formats); |
Ville Syrjälä | df497e9 | 2012-02-02 14:53:39 -0500 | [diff] [blame] | 978 | drmFree(r); |
Jesse Barnes | ac168bf | 2011-04-29 08:53:53 -0700 | [diff] [blame] | 979 | r = 0; |
| 980 | } |
| 981 | |
| 982 | err_allocs: |
| 983 | drmFree(U642VOID(ovr.format_type_ptr)); |
| 984 | |
| 985 | return r; |
| 986 | } |
| 987 | |
| 988 | void drmModeFreePlane(drmModePlanePtr ptr) |
| 989 | { |
| 990 | if (!ptr) |
| 991 | return; |
| 992 | |
| 993 | drmFree(ptr->formats); |
| 994 | drmFree(ptr); |
| 995 | } |
| 996 | |
| 997 | drmModePlaneResPtr drmModeGetPlaneResources(int fd) |
| 998 | { |
| 999 | struct drm_mode_get_plane_res res, counts; |
| 1000 | drmModePlaneResPtr r = 0; |
| 1001 | |
| 1002 | retry: |
| 1003 | memset(&res, 0, sizeof(struct drm_mode_get_plane_res)); |
| 1004 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) |
| 1005 | return 0; |
| 1006 | |
| 1007 | counts = res; |
| 1008 | |
| 1009 | if (res.count_planes) { |
| 1010 | res.plane_id_ptr = VOID2U64(drmMalloc(res.count_planes * |
| 1011 | sizeof(uint32_t))); |
| 1012 | if (!res.plane_id_ptr) |
| 1013 | goto err_allocs; |
| 1014 | } |
| 1015 | |
| 1016 | if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) |
| 1017 | goto err_allocs; |
| 1018 | |
| 1019 | if (counts.count_planes < res.count_planes) { |
| 1020 | drmFree(U642VOID(res.plane_id_ptr)); |
| 1021 | goto retry; |
| 1022 | } |
| 1023 | |
| 1024 | if (!(r = drmMalloc(sizeof(*r)))) |
| 1025 | goto err_allocs; |
| 1026 | |
| 1027 | r->count_planes = res.count_planes; |
| 1028 | r->planes = drmAllocCpy(U642VOID(res.plane_id_ptr), |
| 1029 | res.count_planes, sizeof(uint32_t)); |
| 1030 | if (res.count_planes && !r->planes) { |
| 1031 | drmFree(r->planes); |
Ville Syrjälä | df497e9 | 2012-02-02 14:53:39 -0500 | [diff] [blame] | 1032 | drmFree(r); |
Jesse Barnes | ac168bf | 2011-04-29 08:53:53 -0700 | [diff] [blame] | 1033 | r = 0; |
| 1034 | } |
| 1035 | |
| 1036 | err_allocs: |
| 1037 | drmFree(U642VOID(res.plane_id_ptr)); |
| 1038 | |
| 1039 | return r; |
| 1040 | } |
Ville Syrjälä | a14c3dd | 2012-02-02 14:53:41 -0500 | [diff] [blame] | 1041 | |
| 1042 | void drmModeFreePlaneResources(drmModePlaneResPtr ptr) |
| 1043 | { |
| 1044 | if (!ptr) |
| 1045 | return; |
| 1046 | |
| 1047 | drmFree(ptr->planes); |
| 1048 | drmFree(ptr); |
| 1049 | } |
Paulo Zanoni | 8c75703 | 2012-05-15 18:38:28 -0300 | [diff] [blame] | 1050 | |
| 1051 | drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd, |
| 1052 | uint32_t object_id, |
| 1053 | uint32_t object_type) |
| 1054 | { |
| 1055 | struct drm_mode_obj_get_properties properties; |
| 1056 | drmModeObjectPropertiesPtr ret = NULL; |
| 1057 | uint32_t count; |
| 1058 | |
| 1059 | retry: |
| 1060 | memset(&properties, 0, sizeof(struct drm_mode_obj_get_properties)); |
| 1061 | properties.obj_id = object_id; |
| 1062 | properties.obj_type = object_type; |
| 1063 | |
| 1064 | if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties)) |
| 1065 | return 0; |
| 1066 | |
| 1067 | count = properties.count_props; |
| 1068 | |
| 1069 | if (count) { |
| 1070 | properties.props_ptr = VOID2U64(drmMalloc(count * |
| 1071 | sizeof(uint32_t))); |
| 1072 | if (!properties.props_ptr) |
| 1073 | goto err_allocs; |
| 1074 | properties.prop_values_ptr = VOID2U64(drmMalloc(count * |
| 1075 | sizeof(uint64_t))); |
| 1076 | if (!properties.prop_values_ptr) |
| 1077 | goto err_allocs; |
| 1078 | } |
| 1079 | |
| 1080 | if (drmIoctl(fd, DRM_IOCTL_MODE_OBJ_GETPROPERTIES, &properties)) |
| 1081 | goto err_allocs; |
| 1082 | |
| 1083 | if (count < properties.count_props) { |
| 1084 | drmFree(U642VOID(properties.props_ptr)); |
| 1085 | drmFree(U642VOID(properties.prop_values_ptr)); |
| 1086 | goto retry; |
| 1087 | } |
| 1088 | count = properties.count_props; |
| 1089 | |
| 1090 | ret = drmMalloc(sizeof(*ret)); |
| 1091 | if (!ret) |
| 1092 | goto err_allocs; |
| 1093 | |
| 1094 | ret->count_props = count; |
| 1095 | ret->props = drmAllocCpy(U642VOID(properties.props_ptr), |
| 1096 | count, sizeof(uint32_t)); |
| 1097 | ret->prop_values = drmAllocCpy(U642VOID(properties.prop_values_ptr), |
| 1098 | count, sizeof(uint64_t)); |
| 1099 | if (ret->count_props && (!ret->props || !ret->prop_values)) { |
| 1100 | drmFree(ret->props); |
| 1101 | drmFree(ret->prop_values); |
| 1102 | drmFree(ret); |
| 1103 | ret = NULL; |
| 1104 | } |
| 1105 | |
| 1106 | err_allocs: |
| 1107 | drmFree(U642VOID(properties.props_ptr)); |
| 1108 | drmFree(U642VOID(properties.prop_values_ptr)); |
| 1109 | return ret; |
| 1110 | } |
| 1111 | |
| 1112 | void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr) |
| 1113 | { |
| 1114 | if (!ptr) |
| 1115 | return; |
| 1116 | drmFree(ptr->props); |
| 1117 | drmFree(ptr->prop_values); |
| 1118 | drmFree(ptr); |
| 1119 | } |
| 1120 | |
| 1121 | int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type, |
| 1122 | uint32_t property_id, uint64_t value) |
| 1123 | { |
| 1124 | struct drm_mode_obj_set_property prop; |
| 1125 | |
| 1126 | prop.value = value; |
| 1127 | prop.prop_id = property_id; |
| 1128 | prop.obj_id = object_id; |
| 1129 | prop.obj_type = object_type; |
| 1130 | |
| 1131 | return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop); |
| 1132 | } |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1133 | |
| 1134 | typedef struct _drmModePropertySetItem drmModePropertySetItem, *drmModePropertySetItemPtr; |
| 1135 | |
| 1136 | struct _drmModePropertySetItem { |
| 1137 | uint32_t object_id; |
| 1138 | uint32_t property_id; |
| 1139 | bool is_blob; |
| 1140 | uint64_t value; |
| 1141 | void *blob; |
| 1142 | drmModePropertySetItemPtr next; |
| 1143 | }; |
| 1144 | |
| 1145 | struct _drmModePropertySet { |
| 1146 | unsigned int count_objs; |
| 1147 | unsigned int count_props; |
| 1148 | unsigned int count_blobs; |
| 1149 | drmModePropertySetItem list; |
| 1150 | }; |
| 1151 | |
| 1152 | drmModePropertySetPtr drmModePropertySetAlloc(void) |
| 1153 | { |
| 1154 | drmModePropertySetPtr set; |
| 1155 | |
| 1156 | set = drmMalloc(sizeof *set); |
| 1157 | if (!set) |
| 1158 | return NULL; |
| 1159 | |
| 1160 | set->list.next = NULL; |
| 1161 | set->count_props = 0; |
| 1162 | set->count_objs = 0; |
| 1163 | |
| 1164 | return set; |
| 1165 | } |
| 1166 | |
| 1167 | int drmModePropertySetAdd(drmModePropertySetPtr set, |
| 1168 | uint32_t object_id, |
| 1169 | uint32_t property_id, |
| 1170 | uint64_t value) |
| 1171 | { |
| 1172 | drmModePropertySetItemPtr prev = &set->list; |
| 1173 | bool new_obj = false; |
| 1174 | |
| 1175 | /* keep it sorted by object_id and property_id */ |
| 1176 | while (prev->next) { |
Ander Conselvan de Oliveira | 34254f9 | 2012-07-27 13:30:51 +0300 | [diff] [blame] | 1177 | if (prev->next->object_id > object_id) |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1178 | break; |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1179 | |
| 1180 | if (prev->next->object_id == object_id && |
| 1181 | prev->next->property_id >= property_id) |
| 1182 | break; |
| 1183 | |
| 1184 | prev = prev->next; |
| 1185 | } |
| 1186 | |
Ander Conselvan de Oliveira | 34254f9 | 2012-07-27 13:30:51 +0300 | [diff] [blame] | 1187 | if ((prev == &set->list || prev->object_id != object_id) && |
| 1188 | (!prev->next || prev->next->object_id != object_id)) |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1189 | new_obj = true; |
| 1190 | |
| 1191 | /* replace or add? */ |
| 1192 | if (prev->next && |
| 1193 | prev->next->object_id == object_id && |
| 1194 | prev->next->property_id == property_id) { |
| 1195 | drmModePropertySetItemPtr item = prev->next; |
| 1196 | |
| 1197 | if (item->is_blob) |
| 1198 | return -EINVAL; |
| 1199 | |
| 1200 | item->value = value; |
| 1201 | } else { |
| 1202 | drmModePropertySetItemPtr item; |
| 1203 | |
| 1204 | item = drmMalloc(sizeof *item); |
| 1205 | if (!item) |
| 1206 | return -1; |
| 1207 | |
| 1208 | item->object_id = object_id; |
| 1209 | item->property_id = property_id; |
| 1210 | item->value = value; |
| 1211 | item->is_blob = false; |
| 1212 | item->blob = NULL; |
| 1213 | |
| 1214 | item->next = prev->next; |
| 1215 | prev->next = item; |
| 1216 | |
| 1217 | set->count_props++; |
| 1218 | } |
| 1219 | |
| 1220 | if (new_obj) |
| 1221 | set->count_objs++; |
| 1222 | |
| 1223 | return 0; |
| 1224 | } |
| 1225 | |
| 1226 | int drmModePropertySetAddBlob(drmModePropertySetPtr set, |
| 1227 | uint32_t object_id, |
| 1228 | uint32_t property_id, |
| 1229 | uint64_t length, |
| 1230 | void *data) |
| 1231 | { |
| 1232 | drmModePropertySetItemPtr prev = &set->list; |
| 1233 | bool new_obj = false; |
| 1234 | |
| 1235 | /* keep it sorted by object_id and property_id */ |
| 1236 | while (prev->next) { |
Ander Conselvan de Oliveira | 34254f9 | 2012-07-27 13:30:51 +0300 | [diff] [blame] | 1237 | if (prev->next->object_id > object_id) |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1238 | break; |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1239 | |
| 1240 | if (prev->next->object_id == object_id && |
| 1241 | prev->next->property_id >= property_id) |
| 1242 | break; |
| 1243 | |
| 1244 | prev = prev->next; |
| 1245 | } |
| 1246 | |
Ander Conselvan de Oliveira | 34254f9 | 2012-07-27 13:30:51 +0300 | [diff] [blame] | 1247 | if ((prev == &set->list || prev->object_id != object_id) && |
| 1248 | (!prev->next || prev->next->object_id != object_id)) |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1249 | new_obj = true; |
| 1250 | |
| 1251 | /* replace or add? */ |
| 1252 | if (prev->next && |
| 1253 | prev->next->object_id == object_id && |
| 1254 | prev->next->property_id == property_id) { |
| 1255 | drmModePropertySetItemPtr item = prev->next; |
| 1256 | |
| 1257 | if (!item->is_blob) |
| 1258 | return -EINVAL; |
| 1259 | |
| 1260 | item->value = length; |
| 1261 | item->blob = data; |
| 1262 | } else { |
| 1263 | drmModePropertySetItemPtr item; |
| 1264 | |
| 1265 | item = drmMalloc(sizeof *item); |
| 1266 | if (!item) |
| 1267 | return -1; |
| 1268 | |
| 1269 | item->object_id = object_id; |
| 1270 | item->property_id = property_id; |
| 1271 | item->is_blob = true; |
| 1272 | item->value = length; |
| 1273 | item->blob = data; |
| 1274 | |
| 1275 | item->next = prev->next; |
| 1276 | prev->next = item; |
| 1277 | |
| 1278 | set->count_props++; |
| 1279 | set->count_blobs++; |
| 1280 | } |
| 1281 | |
| 1282 | if (new_obj) |
| 1283 | set->count_objs++; |
| 1284 | |
| 1285 | return 0; |
| 1286 | } |
| 1287 | |
| 1288 | void drmModePropertySetFree(drmModePropertySetPtr set) |
| 1289 | { |
| 1290 | drmModePropertySetItemPtr item; |
| 1291 | |
| 1292 | if (!set) |
| 1293 | return; |
| 1294 | |
| 1295 | item = set->list.next; |
| 1296 | |
| 1297 | while (item) { |
| 1298 | drmModePropertySetItemPtr next = item->next; |
| 1299 | |
| 1300 | drmFree(item); |
| 1301 | |
| 1302 | item = next; |
| 1303 | } |
| 1304 | |
| 1305 | drmFree(set); |
| 1306 | } |
| 1307 | |
| 1308 | int drmModePropertySetCommit(int fd, uint32_t flags, void *user_data, |
| 1309 | drmModePropertySetPtr set) |
| 1310 | { |
| 1311 | drmModePropertySetItemPtr item; |
| 1312 | uint32_t *objs_ptr = NULL; |
| 1313 | uint32_t *count_props_ptr = NULL; |
| 1314 | uint32_t *props_ptr = NULL; |
| 1315 | uint64_t *prop_values_ptr = NULL; |
| 1316 | uint64_t *blob_values_ptr = NULL; |
| 1317 | struct drm_mode_atomic atomic = { 0 }; |
| 1318 | unsigned int obj_idx = 0; |
| 1319 | unsigned int prop_idx = 0; |
| 1320 | unsigned int blob_idx = 0; |
| 1321 | int ret = -1; |
| 1322 | |
| 1323 | if (!set) |
| 1324 | return -1; |
| 1325 | |
| 1326 | objs_ptr = drmMalloc(set->count_objs * sizeof objs_ptr[0]); |
| 1327 | if (!objs_ptr) { |
| 1328 | errno = ENOMEM; |
| 1329 | goto out; |
| 1330 | } |
| 1331 | |
| 1332 | count_props_ptr = drmMalloc(set->count_objs * sizeof count_props_ptr[0]); |
| 1333 | if (!count_props_ptr) { |
| 1334 | errno = ENOMEM; |
| 1335 | goto out; |
| 1336 | } |
| 1337 | |
| 1338 | props_ptr = drmMalloc(set->count_props * sizeof props_ptr[0]); |
| 1339 | if (!props_ptr) { |
| 1340 | errno = ENOMEM; |
| 1341 | goto out; |
| 1342 | } |
| 1343 | |
| 1344 | prop_values_ptr = drmMalloc(set->count_props * sizeof prop_values_ptr[0]); |
| 1345 | if (!prop_values_ptr) { |
| 1346 | errno = ENOMEM; |
| 1347 | goto out; |
| 1348 | } |
| 1349 | |
| 1350 | blob_values_ptr = drmMalloc(set->count_blobs * sizeof blob_values_ptr[0]); |
| 1351 | if (!blob_values_ptr) { |
| 1352 | errno = ENOMEM; |
| 1353 | goto out; |
| 1354 | } |
| 1355 | |
| 1356 | item = set->list.next; |
| 1357 | |
| 1358 | while (item) { |
| 1359 | int count_props = 0; |
| 1360 | drmModePropertySetItemPtr next = item; |
| 1361 | |
| 1362 | objs_ptr[obj_idx] = item->object_id; |
| 1363 | |
| 1364 | while (next && next->object_id == item->object_id) { |
| 1365 | props_ptr[prop_idx] = next->property_id; |
| 1366 | prop_values_ptr[prop_idx] = next->value; |
| 1367 | prop_idx++; |
| 1368 | |
| 1369 | if (next->is_blob) |
| 1370 | blob_values_ptr[blob_idx++] = VOID2U64(next->blob); |
| 1371 | |
| 1372 | count_props++; |
| 1373 | |
| 1374 | next = next->next; |
| 1375 | } |
| 1376 | |
| 1377 | count_props_ptr[obj_idx++] = count_props; |
| 1378 | |
| 1379 | item = next; |
| 1380 | } |
| 1381 | |
| 1382 | atomic.count_objs = set->count_objs; |
| 1383 | atomic.flags = flags; |
| 1384 | atomic.objs_ptr = VOID2U64(objs_ptr); |
| 1385 | atomic.count_props_ptr = VOID2U64(count_props_ptr); |
| 1386 | atomic.props_ptr = VOID2U64(props_ptr); |
| 1387 | atomic.prop_values_ptr = VOID2U64(prop_values_ptr); |
Rob Clark | 0f45884 | 2014-12-18 15:17:50 -0500 | [diff] [blame] | 1388 | // TODO: |
| 1389 | // atomic.blob_values_ptr = VOID2U64(blob_values_ptr); |
Ville Syrjälä | ba5b0e9 | 2012-05-18 15:52:09 +0300 | [diff] [blame] | 1390 | atomic.user_data = VOID2U64(user_data); |
| 1391 | |
| 1392 | ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic); |
| 1393 | |
| 1394 | out: |
| 1395 | drmFree(objs_ptr); |
| 1396 | drmFree(count_props_ptr); |
| 1397 | drmFree(props_ptr); |
| 1398 | drmFree(prop_values_ptr); |
| 1399 | |
| 1400 | return ret; |
| 1401 | } |