Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #define pr_fmt(fmt) "sde-drm:[%s] " fmt, __func__ |
| 14 | #include "msm_drv.h" |
| 15 | |
| 16 | #include "sde_kms.h" |
| 17 | #include "sde_connector.h" |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 18 | #include <linux/backlight.h> |
| 19 | #include "dsi_drm.h" |
| 20 | |
| 21 | #define BL_NODE_NAME_SIZE 32 |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 22 | |
Lloyd Atkinson | b619197 | 2016-08-10 18:31:46 -0400 | [diff] [blame] | 23 | static const struct drm_prop_enum_list e_topology_name[] = { |
| 24 | {SDE_RM_TOPOLOGY_UNKNOWN, "sde_unknown"}, |
| 25 | {SDE_RM_TOPOLOGY_SINGLEPIPE, "sde_singlepipe"}, |
| 26 | {SDE_RM_TOPOLOGY_DUALPIPE, "sde_dualpipe"}, |
| 27 | {SDE_RM_TOPOLOGY_PPSPLIT, "sde_ppsplit"}, |
| 28 | {SDE_RM_TOPOLOGY_DUALPIPEMERGE, "sde_dualpipemerge"} |
| 29 | }; |
| 30 | static const struct drm_prop_enum_list e_topology_control[] = { |
| 31 | {SDE_RM_TOPCTL_RESERVE_LOCK, "reserve_lock"}, |
| 32 | {SDE_RM_TOPCTL_RESERVE_CLEAR, "reserve_clear"}, |
| 33 | {SDE_RM_TOPCTL_DSPP, "dspp"}, |
| 34 | {SDE_RM_TOPCTL_FORCE_TILING, "force_tiling"}, |
| 35 | {SDE_RM_TOPCTL_PPSPLIT, "ppsplit"} |
| 36 | }; |
| 37 | |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 38 | static int sde_backlight_device_update_status(struct backlight_device *bd) |
| 39 | { |
| 40 | int brightness; |
| 41 | struct dsi_display *display; |
| 42 | struct sde_connector *c_conn; |
| 43 | int bl_lvl; |
| 44 | |
| 45 | brightness = bd->props.brightness; |
| 46 | |
| 47 | if ((bd->props.power != FB_BLANK_UNBLANK) || |
| 48 | (bd->props.state & BL_CORE_FBBLANK) || |
| 49 | (bd->props.state & BL_CORE_SUSPENDED)) |
| 50 | brightness = 0; |
| 51 | |
| 52 | c_conn = bl_get_data(bd); |
| 53 | display = (struct dsi_display *) c_conn->display; |
| 54 | if (brightness > display->panel->bl_config.bl_max_level) |
| 55 | brightness = display->panel->bl_config.bl_max_level; |
| 56 | |
| 57 | /* map UI brightness into driver backlight level with rounding */ |
| 58 | bl_lvl = mult_frac(brightness, display->panel->bl_config.bl_max_level, |
| 59 | display->panel->bl_config.brightness_max_level); |
| 60 | |
| 61 | if (!bl_lvl && brightness) |
| 62 | bl_lvl = 1; |
| 63 | |
| 64 | if (c_conn->ops.set_backlight) |
| 65 | c_conn->ops.set_backlight(c_conn->display, bl_lvl); |
| 66 | |
| 67 | return 0; |
| 68 | } |
| 69 | |
| 70 | static int sde_backlight_device_get_brightness(struct backlight_device *bd) |
| 71 | { |
| 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | static const struct backlight_ops sde_backlight_device_ops = { |
| 76 | .update_status = sde_backlight_device_update_status, |
| 77 | .get_brightness = sde_backlight_device_get_brightness, |
| 78 | }; |
| 79 | |
| 80 | static int sde_backlight_setup(struct sde_connector *c_conn) |
| 81 | { |
| 82 | struct backlight_device *bl_device; |
| 83 | struct backlight_properties props; |
| 84 | struct dsi_display *display; |
| 85 | struct dsi_backlight_config *bl_config; |
| 86 | static int display_count; |
| 87 | char bl_node_name[BL_NODE_NAME_SIZE]; |
| 88 | |
| 89 | if (!c_conn) { |
| 90 | SDE_ERROR("invalid param\n"); |
| 91 | return -EINVAL; |
| 92 | } else if (c_conn->connector_type != DRM_MODE_CONNECTOR_DSI) { |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | memset(&props, 0, sizeof(props)); |
| 97 | props.type = BACKLIGHT_RAW; |
| 98 | props.power = FB_BLANK_UNBLANK; |
| 99 | |
| 100 | display = (struct dsi_display *) c_conn->display; |
| 101 | bl_config = &display->panel->bl_config; |
| 102 | props.max_brightness = bl_config->brightness_max_level; |
| 103 | props.brightness = bl_config->brightness_max_level; |
| 104 | snprintf(bl_node_name, BL_NODE_NAME_SIZE, "panel%u-backlight", |
| 105 | display_count); |
| 106 | bl_device = backlight_device_register(bl_node_name, c_conn->base.kdev, |
| 107 | c_conn, &sde_backlight_device_ops, &props); |
| 108 | if (IS_ERR_OR_NULL(bl_device)) { |
| 109 | SDE_ERROR("Failed to register backlight: %ld\n", |
| 110 | PTR_ERR(bl_device)); |
| 111 | return -ENODEV; |
| 112 | } |
| 113 | display_count++; |
| 114 | |
| 115 | return 0; |
| 116 | } |
| 117 | |
Clarence Ip | cb3afd4 | 2016-07-15 16:25:34 -0400 | [diff] [blame] | 118 | int sde_connector_get_info(struct drm_connector *connector, |
| 119 | struct msm_display_info *info) |
| 120 | { |
| 121 | struct sde_connector *c_conn; |
| 122 | |
| 123 | if (!connector || !info) { |
| 124 | SDE_ERROR("invalid argument(s), conn %pK, info %pK\n", |
| 125 | connector, info); |
| 126 | return -EINVAL; |
| 127 | } |
| 128 | |
| 129 | c_conn = to_sde_connector(connector); |
| 130 | |
| 131 | if (!c_conn->display || !c_conn->ops.get_info) { |
| 132 | SDE_ERROR("display info not supported for %pK\n", |
| 133 | c_conn->display); |
| 134 | return -EINVAL; |
| 135 | } |
| 136 | |
| 137 | return c_conn->ops.get_info(info, c_conn->display); |
| 138 | } |
| 139 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 140 | static void sde_connector_destroy(struct drm_connector *connector) |
| 141 | { |
| 142 | struct sde_connector *c_conn; |
| 143 | |
| 144 | if (!connector) { |
| 145 | SDE_ERROR("invalid connector\n"); |
| 146 | return; |
| 147 | } |
| 148 | |
| 149 | c_conn = to_sde_connector(connector); |
| 150 | |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 151 | if (c_conn->blob_caps) |
| 152 | drm_property_unreference_blob(c_conn->blob_caps); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 153 | msm_property_destroy(&c_conn->property_info); |
| 154 | |
| 155 | drm_connector_unregister(connector); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 156 | sde_fence_deinit(&c_conn->retire_fence); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 157 | drm_connector_cleanup(connector); |
| 158 | kfree(c_conn); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * _sde_connector_destroy_fb - clean up connector state's out_fb buffer |
| 163 | * @c_conn: Pointer to sde connector structure |
| 164 | * @c_state: Pointer to sde connector state structure |
| 165 | */ |
| 166 | static void _sde_connector_destroy_fb(struct sde_connector *c_conn, |
| 167 | struct sde_connector_state *c_state) |
| 168 | { |
| 169 | if (!c_state || !c_state->out_fb) { |
| 170 | SDE_ERROR("invalid state %pK\n", c_state); |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | msm_framebuffer_cleanup(c_state->out_fb, |
| 175 | c_state->mmu_id); |
| 176 | drm_framebuffer_unreference(c_state->out_fb); |
| 177 | c_state->out_fb = NULL; |
| 178 | |
| 179 | if (c_conn) { |
| 180 | c_state->property_values[CONNECTOR_PROP_OUT_FB] = |
| 181 | msm_property_get_default(&c_conn->property_info, |
| 182 | CONNECTOR_PROP_OUT_FB); |
| 183 | } else { |
| 184 | c_state->property_values[CONNECTOR_PROP_OUT_FB] = ~0; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static void sde_connector_atomic_destroy_state(struct drm_connector *connector, |
| 189 | struct drm_connector_state *state) |
| 190 | { |
| 191 | struct sde_connector *c_conn = NULL; |
| 192 | struct sde_connector_state *c_state = NULL; |
| 193 | |
| 194 | if (!state) { |
| 195 | SDE_ERROR("invalid state\n"); |
| 196 | return; |
| 197 | } |
| 198 | |
| 199 | /* |
| 200 | * The base DRM framework currently always passes in a NULL |
| 201 | * connector pointer. This is not correct, but attempt to |
| 202 | * handle that case as much as possible. |
| 203 | */ |
| 204 | if (connector) |
| 205 | c_conn = to_sde_connector(connector); |
| 206 | c_state = to_sde_connector_state(state); |
| 207 | |
| 208 | if (c_state->out_fb) |
| 209 | _sde_connector_destroy_fb(c_conn, c_state); |
| 210 | |
| 211 | if (!c_conn) { |
| 212 | kfree(c_state); |
| 213 | } else { |
| 214 | /* destroy value helper */ |
| 215 | msm_property_destroy_state(&c_conn->property_info, c_state, |
| 216 | c_state->property_values, 0); |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | static void sde_connector_atomic_reset(struct drm_connector *connector) |
| 221 | { |
| 222 | struct sde_connector *c_conn; |
| 223 | struct sde_connector_state *c_state; |
| 224 | |
| 225 | if (!connector) { |
| 226 | SDE_ERROR("invalid connector\n"); |
| 227 | return; |
| 228 | } |
| 229 | |
| 230 | c_conn = to_sde_connector(connector); |
| 231 | |
| 232 | if (connector->state) { |
| 233 | sde_connector_atomic_destroy_state(connector, connector->state); |
| 234 | connector->state = 0; |
| 235 | } |
| 236 | |
| 237 | c_state = msm_property_alloc_state(&c_conn->property_info); |
| 238 | if (!c_state) { |
| 239 | SDE_ERROR("state alloc failed\n"); |
| 240 | return; |
| 241 | } |
| 242 | |
| 243 | /* reset value helper, zero out state structure and reset properties */ |
| 244 | msm_property_reset_state(&c_conn->property_info, c_state, |
| 245 | c_state->property_values, 0); |
| 246 | |
| 247 | c_state->base.connector = connector; |
| 248 | connector->state = &c_state->base; |
| 249 | } |
| 250 | |
| 251 | static struct drm_connector_state * |
| 252 | sde_connector_atomic_duplicate_state(struct drm_connector *connector) |
| 253 | { |
| 254 | struct sde_connector *c_conn; |
| 255 | struct sde_connector_state *c_state, *c_oldstate; |
| 256 | int rc; |
| 257 | |
| 258 | if (!connector || !connector->state) { |
| 259 | SDE_ERROR("invalid connector %pK\n", connector); |
| 260 | return NULL; |
| 261 | } |
| 262 | |
| 263 | c_conn = to_sde_connector(connector); |
| 264 | c_oldstate = to_sde_connector_state(connector->state); |
| 265 | c_state = msm_property_alloc_state(&c_conn->property_info); |
| 266 | if (!c_state) { |
| 267 | SDE_ERROR("state alloc failed\n"); |
| 268 | return NULL; |
| 269 | } |
| 270 | |
| 271 | /* duplicate value helper */ |
| 272 | msm_property_duplicate_state(&c_conn->property_info, |
| 273 | c_oldstate, c_state, c_state->property_values, 0); |
| 274 | |
| 275 | /* additional handling for drm framebuffer objects */ |
| 276 | if (c_state->out_fb) { |
| 277 | drm_framebuffer_reference(c_state->out_fb); |
| 278 | rc = msm_framebuffer_prepare(c_state->out_fb, |
| 279 | c_state->mmu_id); |
| 280 | if (rc) |
| 281 | SDE_ERROR("failed to prepare fb, %d\n", rc); |
| 282 | } |
| 283 | |
| 284 | return &c_state->base; |
| 285 | } |
| 286 | |
| 287 | static int sde_connector_atomic_set_property(struct drm_connector *connector, |
| 288 | struct drm_connector_state *state, |
| 289 | struct drm_property *property, |
| 290 | uint64_t val) |
| 291 | { |
| 292 | struct sde_connector *c_conn; |
| 293 | struct sde_connector_state *c_state; |
| 294 | int idx, rc; |
| 295 | |
| 296 | if (!connector || !state || !property) { |
| 297 | SDE_ERROR("invalid argument(s), conn %pK, state %pK, prp %pK\n", |
| 298 | connector, state, property); |
| 299 | return -EINVAL; |
| 300 | } |
| 301 | |
| 302 | c_conn = to_sde_connector(connector); |
| 303 | c_state = to_sde_connector_state(state); |
| 304 | |
| 305 | /* generic property handling */ |
| 306 | rc = msm_property_atomic_set(&c_conn->property_info, |
| 307 | c_state->property_values, 0, property, val); |
| 308 | if (rc) |
| 309 | goto end; |
| 310 | |
| 311 | /* connector-specific property handling */ |
| 312 | idx = msm_property_index(&c_conn->property_info, property); |
| 313 | |
| 314 | if (idx == CONNECTOR_PROP_OUT_FB) { |
| 315 | /* clear old fb, if present */ |
| 316 | if (c_state->out_fb) |
| 317 | _sde_connector_destroy_fb(c_conn, c_state); |
| 318 | |
| 319 | /* convert fb val to drm framebuffer and prepare it */ |
| 320 | c_state->out_fb = |
| 321 | drm_framebuffer_lookup(connector->dev, val); |
| 322 | if (!c_state->out_fb) { |
| 323 | SDE_ERROR("failed to look up fb %lld\n", val); |
| 324 | rc = -EFAULT; |
| 325 | } else { |
Alan Kwong | 578cdaf | 2017-01-28 17:25:43 -0800 | [diff] [blame] | 326 | msm_framebuffer_set_kmap(c_state->out_fb, |
| 327 | c_conn->fb_kmap); |
| 328 | |
Alan Kwong | dfa8c08 | 2016-07-29 04:10:00 -0400 | [diff] [blame] | 329 | if (c_state->out_fb->flags & DRM_MODE_FB_SECURE) |
| 330 | c_state->mmu_id = |
| 331 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_SECURE]; |
| 332 | else |
| 333 | c_state->mmu_id = |
| 334 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE]; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 335 | |
| 336 | rc = msm_framebuffer_prepare(c_state->out_fb, |
| 337 | c_state->mmu_id); |
| 338 | if (rc) |
| 339 | SDE_ERROR("prep fb failed, %d\n", rc); |
| 340 | } |
| 341 | } |
| 342 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 343 | if (idx == CONNECTOR_PROP_TOPOLOGY_CONTROL) { |
| 344 | rc = sde_rm_check_property_topctl(val); |
| 345 | if (rc) |
| 346 | SDE_ERROR("invalid topology_control: 0x%llX\n", val); |
| 347 | } |
| 348 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 349 | /* check for custom property handling */ |
| 350 | if (!rc && c_conn->ops.set_property) { |
| 351 | rc = c_conn->ops.set_property(connector, |
| 352 | state, |
| 353 | idx, |
| 354 | val, |
| 355 | c_conn->display); |
| 356 | |
| 357 | /* potentially clean up out_fb if rc != 0 */ |
| 358 | if ((idx == CONNECTOR_PROP_OUT_FB) && rc) |
| 359 | _sde_connector_destroy_fb(c_conn, c_state); |
| 360 | } |
| 361 | end: |
| 362 | return rc; |
| 363 | } |
| 364 | |
| 365 | static int sde_connector_set_property(struct drm_connector *connector, |
| 366 | struct drm_property *property, |
| 367 | uint64_t val) |
| 368 | { |
| 369 | if (!connector) { |
| 370 | SDE_ERROR("invalid connector\n"); |
| 371 | return -EINVAL; |
| 372 | } |
| 373 | |
| 374 | return sde_connector_atomic_set_property(connector, |
| 375 | connector->state, property, val); |
| 376 | } |
| 377 | |
| 378 | static int sde_connector_atomic_get_property(struct drm_connector *connector, |
| 379 | const struct drm_connector_state *state, |
| 380 | struct drm_property *property, |
| 381 | uint64_t *val) |
| 382 | { |
| 383 | struct sde_connector *c_conn; |
| 384 | struct sde_connector_state *c_state; |
| 385 | int idx, rc = -EINVAL; |
| 386 | |
| 387 | if (!connector || !state) { |
| 388 | SDE_ERROR("invalid argument(s), conn %pK, state %pK\n", |
| 389 | connector, state); |
| 390 | return -EINVAL; |
| 391 | } |
| 392 | |
| 393 | c_conn = to_sde_connector(connector); |
| 394 | c_state = to_sde_connector_state(state); |
| 395 | |
| 396 | idx = msm_property_index(&c_conn->property_info, property); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 397 | if (idx == CONNECTOR_PROP_RETIRE_FENCE) |
Clarence Ip | 9a74a44 | 2016-08-25 18:29:03 -0400 | [diff] [blame] | 398 | /* |
| 399 | * Set a fence offset if not a virtual connector, so that the |
| 400 | * fence signals after one additional commit rather than at the |
| 401 | * end of the current one. |
| 402 | */ |
| 403 | rc = sde_fence_create(&c_conn->retire_fence, val, |
| 404 | c_conn->connector_type != DRM_MODE_CONNECTOR_VIRTUAL); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 405 | else |
| 406 | /* get cached property value */ |
| 407 | rc = msm_property_atomic_get(&c_conn->property_info, |
| 408 | c_state->property_values, 0, property, val); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 409 | |
| 410 | /* allow for custom override */ |
| 411 | if (c_conn->ops.get_property) |
| 412 | rc = c_conn->ops.get_property(connector, |
| 413 | (struct drm_connector_state *)state, |
| 414 | idx, |
| 415 | val, |
| 416 | c_conn->display); |
| 417 | return rc; |
| 418 | } |
| 419 | |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 420 | void sde_connector_prepare_fence(struct drm_connector *connector) |
| 421 | { |
| 422 | if (!connector) { |
| 423 | SDE_ERROR("invalid connector\n"); |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | sde_fence_prepare(&to_sde_connector(connector)->retire_fence); |
| 428 | } |
| 429 | |
| 430 | void sde_connector_complete_commit(struct drm_connector *connector) |
| 431 | { |
| 432 | if (!connector) { |
| 433 | SDE_ERROR("invalid connector\n"); |
| 434 | return; |
| 435 | } |
| 436 | |
| 437 | /* signal connector's retire fence */ |
| 438 | sde_fence_signal(&to_sde_connector(connector)->retire_fence, 0); |
| 439 | } |
| 440 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 441 | static enum drm_connector_status |
| 442 | sde_connector_detect(struct drm_connector *connector, bool force) |
| 443 | { |
| 444 | enum drm_connector_status status = connector_status_unknown; |
| 445 | struct sde_connector *c_conn; |
| 446 | |
| 447 | if (!connector) { |
| 448 | SDE_ERROR("invalid connector\n"); |
| 449 | return status; |
| 450 | } |
| 451 | |
| 452 | c_conn = to_sde_connector(connector); |
| 453 | |
| 454 | if (c_conn->ops.detect) |
| 455 | status = c_conn->ops.detect(connector, |
| 456 | force, |
| 457 | c_conn->display); |
| 458 | |
| 459 | return status; |
| 460 | } |
| 461 | |
Alan Kwong | 578cdaf | 2017-01-28 17:25:43 -0800 | [diff] [blame] | 462 | #ifdef CONFIG_DEBUG_FS |
| 463 | /** |
| 464 | * sde_connector_init_debugfs - initialize connector debugfs |
| 465 | * @connector: Pointer to drm connector |
| 466 | */ |
| 467 | static int sde_connector_init_debugfs(struct drm_connector *connector) |
| 468 | { |
| 469 | struct sde_connector *sde_connector; |
| 470 | |
| 471 | if (!connector || !connector->debugfs_entry) { |
| 472 | SDE_ERROR("invalid connector\n"); |
| 473 | return -EINVAL; |
| 474 | } |
| 475 | |
| 476 | sde_connector = to_sde_connector(connector); |
| 477 | |
| 478 | if (!debugfs_create_bool("fb_kmap", 0644, connector->debugfs_entry, |
| 479 | &sde_connector->fb_kmap)) { |
| 480 | SDE_ERROR("failed to create connector fb_kmap\n"); |
| 481 | return -ENOMEM; |
| 482 | } |
| 483 | |
| 484 | return 0; |
| 485 | } |
| 486 | #else |
| 487 | static int sde_connector_init_debugfs(struct drm_connector *connector) |
| 488 | { |
| 489 | return 0; |
| 490 | } |
| 491 | #endif |
| 492 | |
| 493 | static int sde_connector_late_register(struct drm_connector *connector) |
| 494 | { |
| 495 | return sde_connector_init_debugfs(connector); |
| 496 | } |
| 497 | |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame^] | 498 | static void sde_connector_early_unregister(struct drm_connector *connector) |
| 499 | { |
| 500 | /* debugfs under connector->debugfs are deleted by drm_debugfs */ |
| 501 | } |
| 502 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 503 | static const struct drm_connector_funcs sde_connector_ops = { |
| 504 | .dpms = drm_atomic_helper_connector_dpms, |
| 505 | .reset = sde_connector_atomic_reset, |
| 506 | .detect = sde_connector_detect, |
| 507 | .destroy = sde_connector_destroy, |
| 508 | .fill_modes = drm_helper_probe_single_connector_modes, |
| 509 | .atomic_duplicate_state = sde_connector_atomic_duplicate_state, |
| 510 | .atomic_destroy_state = sde_connector_atomic_destroy_state, |
| 511 | .atomic_set_property = sde_connector_atomic_set_property, |
| 512 | .atomic_get_property = sde_connector_atomic_get_property, |
| 513 | .set_property = sde_connector_set_property, |
Alan Kwong | 578cdaf | 2017-01-28 17:25:43 -0800 | [diff] [blame] | 514 | .late_register = sde_connector_late_register, |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame^] | 515 | .early_unregister = sde_connector_early_unregister, |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 516 | }; |
| 517 | |
| 518 | static int sde_connector_get_modes(struct drm_connector *connector) |
| 519 | { |
| 520 | struct sde_connector *c_conn; |
| 521 | |
| 522 | if (!connector) { |
| 523 | SDE_ERROR("invalid connector\n"); |
| 524 | return 0; |
| 525 | } |
| 526 | |
| 527 | c_conn = to_sde_connector(connector); |
| 528 | if (!c_conn->ops.get_modes) { |
| 529 | SDE_DEBUG("missing get_modes callback\n"); |
| 530 | return 0; |
| 531 | } |
| 532 | |
| 533 | return c_conn->ops.get_modes(connector, c_conn->display); |
| 534 | } |
| 535 | |
| 536 | static enum drm_mode_status |
| 537 | sde_connector_mode_valid(struct drm_connector *connector, |
| 538 | struct drm_display_mode *mode) |
| 539 | { |
| 540 | struct sde_connector *c_conn; |
| 541 | |
| 542 | if (!connector || !mode) { |
| 543 | SDE_ERROR("invalid argument(s), conn %pK, mode %pK\n", |
| 544 | connector, mode); |
| 545 | return MODE_ERROR; |
| 546 | } |
| 547 | |
| 548 | c_conn = to_sde_connector(connector); |
| 549 | |
| 550 | if (c_conn->ops.mode_valid) |
| 551 | return c_conn->ops.mode_valid(connector, mode, c_conn->display); |
| 552 | |
| 553 | /* assume all modes okay by default */ |
| 554 | return MODE_OK; |
| 555 | } |
| 556 | |
| 557 | static struct drm_encoder * |
| 558 | sde_connector_best_encoder(struct drm_connector *connector) |
| 559 | { |
| 560 | struct sde_connector *c_conn = to_sde_connector(connector); |
| 561 | |
| 562 | if (!connector) { |
| 563 | SDE_ERROR("invalid connector\n"); |
| 564 | return NULL; |
| 565 | } |
| 566 | |
| 567 | /* |
| 568 | * This is true for now, revisit this code when multiple encoders are |
| 569 | * supported. |
| 570 | */ |
| 571 | return c_conn->encoder; |
| 572 | } |
| 573 | |
| 574 | static const struct drm_connector_helper_funcs sde_connector_helper_ops = { |
| 575 | .get_modes = sde_connector_get_modes, |
| 576 | .mode_valid = sde_connector_mode_valid, |
| 577 | .best_encoder = sde_connector_best_encoder, |
| 578 | }; |
| 579 | |
| 580 | struct drm_connector *sde_connector_init(struct drm_device *dev, |
| 581 | struct drm_encoder *encoder, |
| 582 | struct drm_panel *panel, |
| 583 | void *display, |
| 584 | const struct sde_connector_ops *ops, |
| 585 | int connector_poll, |
| 586 | int connector_type) |
| 587 | { |
| 588 | struct msm_drm_private *priv; |
| 589 | struct sde_kms *sde_kms; |
| 590 | struct sde_kms_info *info; |
| 591 | struct sde_connector *c_conn = NULL; |
| 592 | int rc; |
| 593 | |
| 594 | if (!dev || !dev->dev_private || !encoder) { |
| 595 | SDE_ERROR("invalid argument(s), dev %pK, enc %pK\n", |
| 596 | dev, encoder); |
| 597 | return ERR_PTR(-EINVAL); |
| 598 | } |
| 599 | |
| 600 | priv = dev->dev_private; |
| 601 | if (!priv->kms) { |
| 602 | SDE_ERROR("invalid kms reference\n"); |
| 603 | return ERR_PTR(-EINVAL); |
| 604 | } |
| 605 | |
| 606 | c_conn = kzalloc(sizeof(*c_conn), GFP_KERNEL); |
| 607 | if (!c_conn) { |
| 608 | SDE_ERROR("failed to alloc sde connector\n"); |
| 609 | return ERR_PTR(-ENOMEM); |
| 610 | } |
| 611 | |
| 612 | rc = drm_connector_init(dev, |
| 613 | &c_conn->base, |
| 614 | &sde_connector_ops, |
| 615 | connector_type); |
| 616 | if (rc) |
| 617 | goto error_free_conn; |
| 618 | |
| 619 | c_conn->connector_type = connector_type; |
| 620 | c_conn->encoder = encoder; |
| 621 | c_conn->panel = panel; |
| 622 | c_conn->display = display; |
| 623 | |
Alan Kwong | dfa8c08 | 2016-07-29 04:10:00 -0400 | [diff] [blame] | 624 | /* cache mmu_id's for later */ |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 625 | sde_kms = to_sde_kms(priv->kms); |
Alan Kwong | dfa8c08 | 2016-07-29 04:10:00 -0400 | [diff] [blame] | 626 | if (sde_kms->vbif[VBIF_NRT]) { |
| 627 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE] = |
| 628 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_NRT_UNSECURE]; |
| 629 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_SECURE] = |
| 630 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_NRT_SECURE]; |
| 631 | } else { |
| 632 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE] = |
| 633 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_UNSECURE]; |
| 634 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_SECURE] = |
| 635 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_SECURE]; |
| 636 | } |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 637 | |
| 638 | if (ops) |
| 639 | c_conn->ops = *ops; |
| 640 | |
| 641 | c_conn->base.helper_private = &sde_connector_helper_ops; |
| 642 | c_conn->base.polled = connector_poll; |
| 643 | c_conn->base.interlace_allowed = 0; |
| 644 | c_conn->base.doublescan_allowed = 0; |
| 645 | |
| 646 | snprintf(c_conn->name, |
| 647 | SDE_CONNECTOR_NAME_SIZE, |
| 648 | "conn%u", |
| 649 | c_conn->base.base.id); |
| 650 | |
Lloyd Atkinson | 5d40d31 | 2016-09-06 08:34:13 -0400 | [diff] [blame] | 651 | rc = sde_fence_init(&c_conn->retire_fence, c_conn->name, |
| 652 | c_conn->base.base.id); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 653 | if (rc) { |
| 654 | SDE_ERROR("failed to init fence, %d\n", rc); |
| 655 | goto error_cleanup_conn; |
| 656 | } |
| 657 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 658 | rc = drm_mode_connector_attach_encoder(&c_conn->base, encoder); |
| 659 | if (rc) { |
| 660 | SDE_ERROR("failed to attach encoder to connector, %d\n", rc); |
Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 661 | goto error_cleanup_fence; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 662 | } |
| 663 | |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 664 | rc = sde_backlight_setup(c_conn); |
| 665 | if (rc) { |
| 666 | SDE_ERROR("failed to setup backlight, rc=%d\n", rc); |
| 667 | goto error_cleanup_fence; |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 668 | } |
| 669 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 670 | /* create properties */ |
| 671 | msm_property_init(&c_conn->property_info, &c_conn->base.base, dev, |
| 672 | priv->conn_property, c_conn->property_data, |
| 673 | CONNECTOR_PROP_COUNT, CONNECTOR_PROP_BLOBCOUNT, |
| 674 | sizeof(struct sde_connector_state)); |
| 675 | |
| 676 | if (c_conn->ops.post_init) { |
| 677 | info = kmalloc(sizeof(*info), GFP_KERNEL); |
| 678 | if (!info) { |
| 679 | SDE_ERROR("failed to allocate info buffer\n"); |
| 680 | rc = -ENOMEM; |
Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 681 | goto error_cleanup_fence; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | sde_kms_info_reset(info); |
| 685 | rc = c_conn->ops.post_init(&c_conn->base, info, display); |
| 686 | if (rc) { |
| 687 | SDE_ERROR("post-init failed, %d\n", rc); |
| 688 | kfree(info); |
Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 689 | goto error_cleanup_fence; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | msm_property_install_blob(&c_conn->property_info, |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 693 | "capabilities", |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 694 | DRM_MODE_PROP_IMMUTABLE, |
| 695 | CONNECTOR_PROP_SDE_INFO); |
| 696 | |
| 697 | msm_property_set_blob(&c_conn->property_info, |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 698 | &c_conn->blob_caps, |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 699 | SDE_KMS_INFO_DATA(info), |
| 700 | SDE_KMS_INFO_DATALEN(info), |
| 701 | CONNECTOR_PROP_SDE_INFO); |
| 702 | kfree(info); |
| 703 | } |
| 704 | |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 705 | msm_property_install_range(&c_conn->property_info, "RETIRE_FENCE", |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 706 | 0x0, 0, INR_OPEN_MAX, 0, CONNECTOR_PROP_RETIRE_FENCE); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 707 | |
Lloyd Atkinson | b619197 | 2016-08-10 18:31:46 -0400 | [diff] [blame] | 708 | /* enum/bitmask properties */ |
| 709 | msm_property_install_enum(&c_conn->property_info, "topology_name", |
| 710 | DRM_MODE_PROP_IMMUTABLE, 0, e_topology_name, |
| 711 | ARRAY_SIZE(e_topology_name), |
| 712 | CONNECTOR_PROP_TOPOLOGY_NAME); |
| 713 | msm_property_install_enum(&c_conn->property_info, "topology_control", |
| 714 | 0, 1, e_topology_control, |
| 715 | ARRAY_SIZE(e_topology_control), |
| 716 | CONNECTOR_PROP_TOPOLOGY_CONTROL); |
| 717 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 718 | rc = msm_property_install_get_status(&c_conn->property_info); |
| 719 | if (rc) { |
| 720 | SDE_ERROR("failed to create one or more properties\n"); |
| 721 | goto error_destroy_property; |
| 722 | } |
| 723 | |
Lloyd Atkinson | b619197 | 2016-08-10 18:31:46 -0400 | [diff] [blame] | 724 | SDE_DEBUG("connector %d attach encoder %d\n", |
| 725 | c_conn->base.base.id, encoder->base.id); |
| 726 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 727 | priv->connectors[priv->num_connectors++] = &c_conn->base; |
| 728 | |
| 729 | return &c_conn->base; |
| 730 | |
| 731 | error_destroy_property: |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 732 | if (c_conn->blob_caps) |
| 733 | drm_property_unreference_blob(c_conn->blob_caps); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 734 | msm_property_destroy(&c_conn->property_info); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 735 | error_cleanup_fence: |
| 736 | sde_fence_deinit(&c_conn->retire_fence); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 737 | error_cleanup_conn: |
| 738 | drm_connector_cleanup(&c_conn->base); |
| 739 | error_free_conn: |
| 740 | kfree(c_conn); |
| 741 | |
| 742 | return ERR_PTR(rc); |
| 743 | } |