Commit | Line | Data |
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cb471f14 EK |
1 | /* |
2 | * Copyright (C) 2012 Samsung Electronics Co.Ltd | |
3 | * Authors: | |
4 | * Eunchul Kim <chulspro.kim@samsung.com> | |
5 | * Jinyoung Jeon <jy0.jeon@samsung.com> | |
6 | * Sangmin Lee <lsmin.lee@samsung.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | */ | |
14 | #include <linux/kernel.h> | |
cb471f14 EK |
15 | #include <linux/platform_device.h> |
16 | #include <linux/types.h> | |
17 | #include <linux/clk.h> | |
18 | #include <linux/pm_runtime.h> | |
19 | #include <plat/map-base.h> | |
20 | ||
21 | #include <drm/drmP.h> | |
22 | #include <drm/exynos_drm.h> | |
23 | #include "exynos_drm_drv.h" | |
24 | #include "exynos_drm_gem.h" | |
25 | #include "exynos_drm_ipp.h" | |
c12e2617 | 26 | #include "exynos_drm_iommu.h" |
cb471f14 EK |
27 | |
28 | /* | |
6fe891f6 | 29 | * IPP stands for Image Post Processing and |
cb471f14 EK |
30 | * supports image scaler/rotator and input/output DMA operations. |
31 | * using FIMC, GSC, Rotator, so on. | |
32 | * IPP is integration device driver of same attribute h/w | |
33 | */ | |
34 | ||
35 | /* | |
36 | * TODO | |
37 | * 1. expand command control id. | |
38 | * 2. integrate property and config. | |
39 | * 3. removed send_event id check routine. | |
40 | * 4. compare send_event id if needed. | |
41 | * 5. free subdrv_remove notifier callback list if needed. | |
42 | * 6. need to check subdrv_open about multi-open. | |
43 | * 7. need to power_on implement power and sysmmu ctrl. | |
44 | */ | |
45 | ||
46 | #define get_ipp_context(dev) platform_get_drvdata(to_platform_device(dev)) | |
47 | #define ipp_is_m2m_cmd(c) (c == IPP_CMD_M2M) | |
48 | ||
43f41900 SWK |
49 | /* platform device pointer for ipp device. */ |
50 | static struct platform_device *exynos_drm_ipp_pdev; | |
51 | ||
cb471f14 EK |
52 | /* |
53 | * A structure of event. | |
54 | * | |
55 | * @base: base of event. | |
56 | * @event: ipp event. | |
57 | */ | |
58 | struct drm_exynos_ipp_send_event { | |
59 | struct drm_pending_event base; | |
60 | struct drm_exynos_ipp_event event; | |
61 | }; | |
62 | ||
63 | /* | |
64 | * A structure of memory node. | |
65 | * | |
66 | * @list: list head to memory queue information. | |
67 | * @ops_id: id of operations. | |
68 | * @prop_id: id of property. | |
69 | * @buf_id: id of buffer. | |
70 | * @buf_info: gem objects and dma address, size. | |
71 | * @filp: a pointer to drm_file. | |
72 | */ | |
73 | struct drm_exynos_ipp_mem_node { | |
74 | struct list_head list; | |
75 | enum drm_exynos_ops_id ops_id; | |
76 | u32 prop_id; | |
77 | u32 buf_id; | |
78 | struct drm_exynos_ipp_buf_info buf_info; | |
79 | struct drm_file *filp; | |
80 | }; | |
81 | ||
82 | /* | |
83 | * A structure of ipp context. | |
84 | * | |
85 | * @subdrv: prepare initialization using subdrv. | |
86 | * @ipp_lock: lock for synchronization of access to ipp_idr. | |
87 | * @prop_lock: lock for synchronization of access to prop_idr. | |
88 | * @ipp_idr: ipp driver idr. | |
89 | * @prop_idr: property idr. | |
90 | * @event_workq: event work queue. | |
91 | * @cmd_workq: command work queue. | |
92 | */ | |
93 | struct ipp_context { | |
94 | struct exynos_drm_subdrv subdrv; | |
95 | struct mutex ipp_lock; | |
96 | struct mutex prop_lock; | |
97 | struct idr ipp_idr; | |
98 | struct idr prop_idr; | |
99 | struct workqueue_struct *event_workq; | |
100 | struct workqueue_struct *cmd_workq; | |
101 | }; | |
102 | ||
103 | static LIST_HEAD(exynos_drm_ippdrv_list); | |
104 | static DEFINE_MUTEX(exynos_drm_ippdrv_lock); | |
105 | static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list); | |
106 | ||
43f41900 SWK |
107 | int exynos_platform_device_ipp_register(void) |
108 | { | |
109 | struct platform_device *pdev; | |
110 | ||
111 | if (exynos_drm_ipp_pdev) | |
112 | return -EEXIST; | |
113 | ||
114 | pdev = platform_device_register_simple("exynos-drm-ipp", -1, NULL, 0); | |
115 | if (IS_ERR(pdev)) | |
116 | return PTR_ERR(pdev); | |
117 | ||
118 | exynos_drm_ipp_pdev = pdev; | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
123 | void exynos_platform_device_ipp_unregister(void) | |
124 | { | |
125 | if (exynos_drm_ipp_pdev) { | |
126 | platform_device_unregister(exynos_drm_ipp_pdev); | |
127 | exynos_drm_ipp_pdev = NULL; | |
128 | } | |
129 | } | |
130 | ||
cb471f14 EK |
131 | int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) |
132 | { | |
cb471f14 EK |
133 | if (!ippdrv) |
134 | return -EINVAL; | |
135 | ||
136 | mutex_lock(&exynos_drm_ippdrv_lock); | |
137 | list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list); | |
138 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
139 | ||
140 | return 0; | |
141 | } | |
142 | ||
143 | int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv) | |
144 | { | |
cb471f14 EK |
145 | if (!ippdrv) |
146 | return -EINVAL; | |
147 | ||
148 | mutex_lock(&exynos_drm_ippdrv_lock); | |
149 | list_del(&ippdrv->drv_list); | |
150 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
155 | static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj, | |
156 | u32 *idp) | |
157 | { | |
158 | int ret; | |
159 | ||
cb471f14 EK |
160 | /* do the allocation under our mutexlock */ |
161 | mutex_lock(lock); | |
8550cb2e | 162 | ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL); |
cb471f14 | 163 | mutex_unlock(lock); |
8550cb2e TH |
164 | if (ret < 0) |
165 | return ret; | |
cb471f14 | 166 | |
8550cb2e TH |
167 | *idp = ret; |
168 | return 0; | |
cb471f14 EK |
169 | } |
170 | ||
171 | static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id) | |
172 | { | |
173 | void *obj; | |
174 | ||
cbc4c33d | 175 | DRM_DEBUG_KMS("id[%d]\n", id); |
cb471f14 EK |
176 | |
177 | mutex_lock(lock); | |
178 | ||
179 | /* find object using handle */ | |
180 | obj = idr_find(id_idr, id); | |
181 | if (!obj) { | |
182 | DRM_ERROR("failed to find object.\n"); | |
183 | mutex_unlock(lock); | |
184 | return ERR_PTR(-ENODEV); | |
185 | } | |
186 | ||
187 | mutex_unlock(lock); | |
188 | ||
189 | return obj; | |
190 | } | |
191 | ||
192 | static inline bool ipp_check_dedicated(struct exynos_drm_ippdrv *ippdrv, | |
193 | enum drm_exynos_ipp_cmd cmd) | |
194 | { | |
195 | /* | |
196 | * check dedicated flag and WB, OUTPUT operation with | |
197 | * power on state. | |
198 | */ | |
199 | if (ippdrv->dedicated || (!ipp_is_m2m_cmd(cmd) && | |
200 | !pm_runtime_suspended(ippdrv->dev))) | |
201 | return true; | |
202 | ||
203 | return false; | |
204 | } | |
205 | ||
206 | static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx, | |
207 | struct drm_exynos_ipp_property *property) | |
208 | { | |
209 | struct exynos_drm_ippdrv *ippdrv; | |
210 | u32 ipp_id = property->ipp_id; | |
211 | ||
cbc4c33d | 212 | DRM_DEBUG_KMS("ipp_id[%d]\n", ipp_id); |
cb471f14 EK |
213 | |
214 | if (ipp_id) { | |
215 | /* find ipp driver using idr */ | |
216 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
217 | ipp_id); | |
f0250458 | 218 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
219 | DRM_ERROR("not found ipp%d driver.\n", ipp_id); |
220 | return ippdrv; | |
221 | } | |
222 | ||
223 | /* | |
224 | * WB, OUTPUT opertion not supported multi-operation. | |
225 | * so, make dedicated state at set property ioctl. | |
226 | * when ipp driver finished operations, clear dedicated flags. | |
227 | */ | |
228 | if (ipp_check_dedicated(ippdrv, property->cmd)) { | |
229 | DRM_ERROR("already used choose device.\n"); | |
230 | return ERR_PTR(-EBUSY); | |
231 | } | |
232 | ||
233 | /* | |
234 | * This is necessary to find correct device in ipp drivers. | |
235 | * ipp drivers have different abilities, | |
236 | * so need to check property. | |
237 | */ | |
238 | if (ippdrv->check_property && | |
239 | ippdrv->check_property(ippdrv->dev, property)) { | |
240 | DRM_ERROR("not support property.\n"); | |
241 | return ERR_PTR(-EINVAL); | |
242 | } | |
243 | ||
244 | return ippdrv; | |
245 | } else { | |
246 | /* | |
247 | * This case is search all ipp driver for finding. | |
248 | * user application don't set ipp_id in this case, | |
249 | * so ipp subsystem search correct driver in driver list. | |
250 | */ | |
251 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
252 | if (ipp_check_dedicated(ippdrv, property->cmd)) { | |
cbc4c33d | 253 | DRM_DEBUG_KMS("used device.\n"); |
cb471f14 EK |
254 | continue; |
255 | } | |
256 | ||
257 | if (ippdrv->check_property && | |
258 | ippdrv->check_property(ippdrv->dev, property)) { | |
cbc4c33d | 259 | DRM_DEBUG_KMS("not support property.\n"); |
cb471f14 EK |
260 | continue; |
261 | } | |
262 | ||
263 | return ippdrv; | |
264 | } | |
265 | ||
266 | DRM_ERROR("not support ipp driver operations.\n"); | |
267 | } | |
268 | ||
269 | return ERR_PTR(-ENODEV); | |
270 | } | |
271 | ||
272 | static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id) | |
273 | { | |
274 | struct exynos_drm_ippdrv *ippdrv; | |
275 | struct drm_exynos_ipp_cmd_node *c_node; | |
276 | int count = 0; | |
277 | ||
cbc4c33d | 278 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 EK |
279 | |
280 | if (list_empty(&exynos_drm_ippdrv_list)) { | |
cbc4c33d | 281 | DRM_DEBUG_KMS("ippdrv_list is empty.\n"); |
cb471f14 EK |
282 | return ERR_PTR(-ENODEV); |
283 | } | |
284 | ||
285 | /* | |
286 | * This case is search ipp driver by prop_id handle. | |
287 | * sometimes, ipp subsystem find driver by prop_id. | |
288 | * e.g PAUSE state, queue buf, command contro. | |
289 | */ | |
290 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
cbc4c33d | 291 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", count++, (int)ippdrv); |
cb471f14 EK |
292 | |
293 | if (!list_empty(&ippdrv->cmd_list)) { | |
294 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) | |
295 | if (c_node->property.prop_id == prop_id) | |
296 | return ippdrv; | |
297 | } | |
298 | } | |
299 | ||
300 | return ERR_PTR(-ENODEV); | |
301 | } | |
302 | ||
303 | int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, | |
304 | struct drm_file *file) | |
305 | { | |
306 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
307 | struct exynos_drm_ipp_private *priv = file_priv->ipp_priv; | |
308 | struct device *dev = priv->dev; | |
309 | struct ipp_context *ctx = get_ipp_context(dev); | |
310 | struct drm_exynos_ipp_prop_list *prop_list = data; | |
311 | struct exynos_drm_ippdrv *ippdrv; | |
312 | int count = 0; | |
313 | ||
cb471f14 EK |
314 | if (!ctx) { |
315 | DRM_ERROR("invalid context.\n"); | |
316 | return -EINVAL; | |
317 | } | |
318 | ||
319 | if (!prop_list) { | |
320 | DRM_ERROR("invalid property parameter.\n"); | |
321 | return -EINVAL; | |
322 | } | |
323 | ||
cbc4c33d | 324 | DRM_DEBUG_KMS("ipp_id[%d]\n", prop_list->ipp_id); |
cb471f14 EK |
325 | |
326 | if (!prop_list->ipp_id) { | |
327 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) | |
328 | count++; | |
329 | /* | |
330 | * Supports ippdrv list count for user application. | |
331 | * First step user application getting ippdrv count. | |
332 | * and second step getting ippdrv capability using ipp_id. | |
333 | */ | |
334 | prop_list->count = count; | |
335 | } else { | |
336 | /* | |
337 | * Getting ippdrv capability by ipp_id. | |
338 | * some deivce not supported wb, output interface. | |
339 | * so, user application detect correct ipp driver | |
340 | * using this ioctl. | |
341 | */ | |
342 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
343 | prop_list->ipp_id); | |
be348790 | 344 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
345 | DRM_ERROR("not found ipp%d driver.\n", |
346 | prop_list->ipp_id); | |
be348790 | 347 | return PTR_ERR(ippdrv); |
cb471f14 EK |
348 | } |
349 | ||
350 | prop_list = ippdrv->prop_list; | |
351 | } | |
352 | ||
353 | return 0; | |
354 | } | |
355 | ||
356 | static void ipp_print_property(struct drm_exynos_ipp_property *property, | |
357 | int idx) | |
358 | { | |
359 | struct drm_exynos_ipp_config *config = &property->config[idx]; | |
360 | struct drm_exynos_pos *pos = &config->pos; | |
361 | struct drm_exynos_sz *sz = &config->sz; | |
362 | ||
cbc4c33d YC |
363 | DRM_DEBUG_KMS("prop_id[%d]ops[%s]fmt[0x%x]\n", |
364 | property->prop_id, idx ? "dst" : "src", config->fmt); | |
cb471f14 | 365 | |
cbc4c33d YC |
366 | DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n", |
367 | pos->x, pos->y, pos->w, pos->h, | |
cb471f14 EK |
368 | sz->hsize, sz->vsize, config->flip, config->degree); |
369 | } | |
370 | ||
371 | static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property) | |
372 | { | |
373 | struct exynos_drm_ippdrv *ippdrv; | |
374 | struct drm_exynos_ipp_cmd_node *c_node; | |
375 | u32 prop_id = property->prop_id; | |
376 | ||
cbc4c33d | 377 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 EK |
378 | |
379 | ippdrv = ipp_find_drv_by_handle(prop_id); | |
f0250458 | 380 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
381 | DRM_ERROR("failed to get ipp driver.\n"); |
382 | return -EINVAL; | |
383 | } | |
384 | ||
385 | /* | |
386 | * Find command node using command list in ippdrv. | |
387 | * when we find this command no using prop_id. | |
388 | * return property information set in this command node. | |
389 | */ | |
390 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { | |
391 | if ((c_node->property.prop_id == prop_id) && | |
392 | (c_node->state == IPP_STATE_STOP)) { | |
cbc4c33d YC |
393 | DRM_DEBUG_KMS("found cmd[%d]ippdrv[0x%x]\n", |
394 | property->cmd, (int)ippdrv); | |
cb471f14 EK |
395 | |
396 | c_node->property = *property; | |
397 | return 0; | |
398 | } | |
399 | } | |
400 | ||
401 | DRM_ERROR("failed to search property.\n"); | |
402 | ||
403 | return -EINVAL; | |
404 | } | |
405 | ||
406 | static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) | |
407 | { | |
408 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
409 | ||
cb471f14 EK |
410 | cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); |
411 | if (!cmd_work) { | |
412 | DRM_ERROR("failed to alloc cmd_work.\n"); | |
413 | return ERR_PTR(-ENOMEM); | |
414 | } | |
415 | ||
416 | INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); | |
417 | ||
418 | return cmd_work; | |
419 | } | |
420 | ||
421 | static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) | |
422 | { | |
423 | struct drm_exynos_ipp_event_work *event_work; | |
424 | ||
cb471f14 EK |
425 | event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); |
426 | if (!event_work) { | |
427 | DRM_ERROR("failed to alloc event_work.\n"); | |
428 | return ERR_PTR(-ENOMEM); | |
429 | } | |
430 | ||
431 | INIT_WORK((struct work_struct *)event_work, ipp_sched_event); | |
432 | ||
433 | return event_work; | |
434 | } | |
435 | ||
436 | int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, | |
437 | struct drm_file *file) | |
438 | { | |
439 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
440 | struct exynos_drm_ipp_private *priv = file_priv->ipp_priv; | |
441 | struct device *dev = priv->dev; | |
442 | struct ipp_context *ctx = get_ipp_context(dev); | |
443 | struct drm_exynos_ipp_property *property = data; | |
444 | struct exynos_drm_ippdrv *ippdrv; | |
445 | struct drm_exynos_ipp_cmd_node *c_node; | |
446 | int ret, i; | |
447 | ||
cb471f14 EK |
448 | if (!ctx) { |
449 | DRM_ERROR("invalid context.\n"); | |
450 | return -EINVAL; | |
451 | } | |
452 | ||
453 | if (!property) { | |
454 | DRM_ERROR("invalid property parameter.\n"); | |
455 | return -EINVAL; | |
456 | } | |
457 | ||
458 | /* | |
459 | * This is log print for user application property. | |
460 | * user application set various property. | |
461 | */ | |
462 | for_each_ipp_ops(i) | |
463 | ipp_print_property(property, i); | |
464 | ||
465 | /* | |
466 | * set property ioctl generated new prop_id. | |
467 | * but in this case already asigned prop_id using old set property. | |
468 | * e.g PAUSE state. this case supports find current prop_id and use it | |
469 | * instead of allocation. | |
470 | */ | |
471 | if (property->prop_id) { | |
cbc4c33d | 472 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
473 | return ipp_find_and_set_property(property); |
474 | } | |
475 | ||
476 | /* find ipp driver using ipp id */ | |
477 | ippdrv = ipp_find_driver(ctx, property); | |
f0250458 | 478 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
479 | DRM_ERROR("failed to get ipp driver.\n"); |
480 | return -EINVAL; | |
481 | } | |
482 | ||
483 | /* allocate command node */ | |
484 | c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); | |
485 | if (!c_node) { | |
486 | DRM_ERROR("failed to allocate map node.\n"); | |
487 | return -ENOMEM; | |
488 | } | |
489 | ||
490 | /* create property id */ | |
491 | ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node, | |
492 | &property->prop_id); | |
493 | if (ret) { | |
494 | DRM_ERROR("failed to create id.\n"); | |
495 | goto err_clear; | |
496 | } | |
497 | ||
cbc4c33d YC |
498 | DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[0x%x]\n", |
499 | property->prop_id, property->cmd, (int)ippdrv); | |
cb471f14 EK |
500 | |
501 | /* stored property information and ippdrv in private data */ | |
502 | c_node->priv = priv; | |
503 | c_node->property = *property; | |
504 | c_node->state = IPP_STATE_IDLE; | |
505 | ||
506 | c_node->start_work = ipp_create_cmd_work(); | |
f0250458 | 507 | if (IS_ERR(c_node->start_work)) { |
cb471f14 EK |
508 | DRM_ERROR("failed to create start work.\n"); |
509 | goto err_clear; | |
510 | } | |
511 | ||
512 | c_node->stop_work = ipp_create_cmd_work(); | |
f0250458 | 513 | if (IS_ERR(c_node->stop_work)) { |
cb471f14 EK |
514 | DRM_ERROR("failed to create stop work.\n"); |
515 | goto err_free_start; | |
516 | } | |
517 | ||
518 | c_node->event_work = ipp_create_event_work(); | |
f0250458 | 519 | if (IS_ERR(c_node->event_work)) { |
cb471f14 EK |
520 | DRM_ERROR("failed to create event work.\n"); |
521 | goto err_free_stop; | |
522 | } | |
523 | ||
524 | mutex_init(&c_node->cmd_lock); | |
525 | mutex_init(&c_node->mem_lock); | |
526 | mutex_init(&c_node->event_lock); | |
527 | ||
528 | init_completion(&c_node->start_complete); | |
529 | init_completion(&c_node->stop_complete); | |
530 | ||
531 | for_each_ipp_ops(i) | |
532 | INIT_LIST_HEAD(&c_node->mem_list[i]); | |
533 | ||
534 | INIT_LIST_HEAD(&c_node->event_list); | |
535 | list_splice_init(&priv->event_list, &c_node->event_list); | |
536 | list_add_tail(&c_node->list, &ippdrv->cmd_list); | |
537 | ||
538 | /* make dedicated state without m2m */ | |
539 | if (!ipp_is_m2m_cmd(property->cmd)) | |
540 | ippdrv->dedicated = true; | |
541 | ||
542 | return 0; | |
543 | ||
544 | err_free_stop: | |
545 | kfree(c_node->stop_work); | |
546 | err_free_start: | |
547 | kfree(c_node->start_work); | |
548 | err_clear: | |
549 | kfree(c_node); | |
550 | return ret; | |
551 | } | |
552 | ||
553 | static void ipp_clean_cmd_node(struct drm_exynos_ipp_cmd_node *c_node) | |
554 | { | |
cb471f14 EK |
555 | /* delete list */ |
556 | list_del(&c_node->list); | |
557 | ||
558 | /* destroy mutex */ | |
559 | mutex_destroy(&c_node->cmd_lock); | |
560 | mutex_destroy(&c_node->mem_lock); | |
561 | mutex_destroy(&c_node->event_lock); | |
562 | ||
563 | /* free command node */ | |
564 | kfree(c_node->start_work); | |
565 | kfree(c_node->stop_work); | |
566 | kfree(c_node->event_work); | |
567 | kfree(c_node); | |
568 | } | |
569 | ||
570 | static int ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node) | |
571 | { | |
572 | struct drm_exynos_ipp_property *property = &c_node->property; | |
573 | struct drm_exynos_ipp_mem_node *m_node; | |
574 | struct list_head *head; | |
575 | int ret, i, count[EXYNOS_DRM_OPS_MAX] = { 0, }; | |
576 | ||
cb471f14 EK |
577 | mutex_lock(&c_node->mem_lock); |
578 | ||
579 | for_each_ipp_ops(i) { | |
580 | /* source/destination memory list */ | |
581 | head = &c_node->mem_list[i]; | |
582 | ||
583 | if (list_empty(head)) { | |
cbc4c33d | 584 | DRM_DEBUG_KMS("%s memory empty.\n", i ? "dst" : "src"); |
cb471f14 EK |
585 | continue; |
586 | } | |
587 | ||
588 | /* find memory node entry */ | |
589 | list_for_each_entry(m_node, head, list) { | |
cbc4c33d | 590 | DRM_DEBUG_KMS("%s,count[%d]m_node[0x%x]\n", |
cb471f14 EK |
591 | i ? "dst" : "src", count[i], (int)m_node); |
592 | count[i]++; | |
593 | } | |
594 | } | |
595 | ||
cbc4c33d | 596 | DRM_DEBUG_KMS("min[%d]max[%d]\n", |
cb471f14 EK |
597 | min(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]), |
598 | max(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST])); | |
599 | ||
600 | /* | |
601 | * M2M operations should be need paired memory address. | |
602 | * so, need to check minimum count about src, dst. | |
603 | * other case not use paired memory, so use maximum count | |
604 | */ | |
605 | if (ipp_is_m2m_cmd(property->cmd)) | |
606 | ret = min(count[EXYNOS_DRM_OPS_SRC], | |
607 | count[EXYNOS_DRM_OPS_DST]); | |
608 | else | |
609 | ret = max(count[EXYNOS_DRM_OPS_SRC], | |
610 | count[EXYNOS_DRM_OPS_DST]); | |
611 | ||
612 | mutex_unlock(&c_node->mem_lock); | |
613 | ||
614 | return ret; | |
615 | } | |
616 | ||
617 | static struct drm_exynos_ipp_mem_node | |
618 | *ipp_find_mem_node(struct drm_exynos_ipp_cmd_node *c_node, | |
619 | struct drm_exynos_ipp_queue_buf *qbuf) | |
620 | { | |
621 | struct drm_exynos_ipp_mem_node *m_node; | |
622 | struct list_head *head; | |
623 | int count = 0; | |
624 | ||
cbc4c33d | 625 | DRM_DEBUG_KMS("buf_id[%d]\n", qbuf->buf_id); |
cb471f14 EK |
626 | |
627 | /* source/destination memory list */ | |
628 | head = &c_node->mem_list[qbuf->ops_id]; | |
629 | ||
630 | /* find memory node from memory list */ | |
631 | list_for_each_entry(m_node, head, list) { | |
cbc4c33d | 632 | DRM_DEBUG_KMS("count[%d]m_node[0x%x]\n", count++, (int)m_node); |
cb471f14 EK |
633 | |
634 | /* compare buffer id */ | |
635 | if (m_node->buf_id == qbuf->buf_id) | |
636 | return m_node; | |
637 | } | |
638 | ||
639 | return NULL; | |
640 | } | |
641 | ||
642 | static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, | |
643 | struct drm_exynos_ipp_cmd_node *c_node, | |
644 | struct drm_exynos_ipp_mem_node *m_node) | |
645 | { | |
646 | struct exynos_drm_ipp_ops *ops = NULL; | |
647 | int ret = 0; | |
648 | ||
cbc4c33d | 649 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
650 | |
651 | if (!m_node) { | |
652 | DRM_ERROR("invalid queue node.\n"); | |
653 | return -EFAULT; | |
654 | } | |
655 | ||
656 | mutex_lock(&c_node->mem_lock); | |
657 | ||
cbc4c33d | 658 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
659 | |
660 | /* get operations callback */ | |
661 | ops = ippdrv->ops[m_node->ops_id]; | |
662 | if (!ops) { | |
663 | DRM_ERROR("not support ops.\n"); | |
664 | ret = -EFAULT; | |
665 | goto err_unlock; | |
666 | } | |
667 | ||
668 | /* set address and enable irq */ | |
669 | if (ops->set_addr) { | |
670 | ret = ops->set_addr(ippdrv->dev, &m_node->buf_info, | |
671 | m_node->buf_id, IPP_BUF_ENQUEUE); | |
672 | if (ret) { | |
673 | DRM_ERROR("failed to set addr.\n"); | |
674 | goto err_unlock; | |
675 | } | |
676 | } | |
677 | ||
678 | err_unlock: | |
679 | mutex_unlock(&c_node->mem_lock); | |
680 | return ret; | |
681 | } | |
682 | ||
683 | static struct drm_exynos_ipp_mem_node | |
684 | *ipp_get_mem_node(struct drm_device *drm_dev, | |
685 | struct drm_file *file, | |
686 | struct drm_exynos_ipp_cmd_node *c_node, | |
687 | struct drm_exynos_ipp_queue_buf *qbuf) | |
688 | { | |
689 | struct drm_exynos_ipp_mem_node *m_node; | |
690 | struct drm_exynos_ipp_buf_info buf_info; | |
691 | void *addr; | |
692 | int i; | |
693 | ||
cb471f14 EK |
694 | mutex_lock(&c_node->mem_lock); |
695 | ||
696 | m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); | |
697 | if (!m_node) { | |
698 | DRM_ERROR("failed to allocate queue node.\n"); | |
699 | goto err_unlock; | |
700 | } | |
701 | ||
702 | /* clear base address for error handling */ | |
703 | memset(&buf_info, 0x0, sizeof(buf_info)); | |
704 | ||
705 | /* operations, buffer id */ | |
706 | m_node->ops_id = qbuf->ops_id; | |
707 | m_node->prop_id = qbuf->prop_id; | |
708 | m_node->buf_id = qbuf->buf_id; | |
709 | ||
cbc4c33d YC |
710 | DRM_DEBUG_KMS("m_node[0x%x]ops_id[%d]\n", (int)m_node, qbuf->ops_id); |
711 | DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); | |
cb471f14 EK |
712 | |
713 | for_each_ipp_planar(i) { | |
cbc4c33d | 714 | DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]); |
cb471f14 EK |
715 | |
716 | /* get dma address by handle */ | |
717 | if (qbuf->handle[i]) { | |
718 | addr = exynos_drm_gem_get_dma_addr(drm_dev, | |
719 | qbuf->handle[i], file); | |
720 | if (IS_ERR(addr)) { | |
721 | DRM_ERROR("failed to get addr.\n"); | |
722 | goto err_clear; | |
723 | } | |
724 | ||
725 | buf_info.handles[i] = qbuf->handle[i]; | |
726 | buf_info.base[i] = *(dma_addr_t *) addr; | |
cbc4c33d YC |
727 | DRM_DEBUG_KMS("i[%d]base[0x%x]hd[0x%x]\n", |
728 | i, buf_info.base[i], (int)buf_info.handles[i]); | |
cb471f14 EK |
729 | } |
730 | } | |
731 | ||
732 | m_node->filp = file; | |
733 | m_node->buf_info = buf_info; | |
734 | list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]); | |
735 | ||
736 | mutex_unlock(&c_node->mem_lock); | |
737 | return m_node; | |
738 | ||
739 | err_clear: | |
740 | kfree(m_node); | |
741 | err_unlock: | |
742 | mutex_unlock(&c_node->mem_lock); | |
743 | return ERR_PTR(-EFAULT); | |
744 | } | |
745 | ||
746 | static int ipp_put_mem_node(struct drm_device *drm_dev, | |
747 | struct drm_exynos_ipp_cmd_node *c_node, | |
748 | struct drm_exynos_ipp_mem_node *m_node) | |
749 | { | |
750 | int i; | |
751 | ||
cbc4c33d | 752 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
753 | |
754 | if (!m_node) { | |
755 | DRM_ERROR("invalid dequeue node.\n"); | |
756 | return -EFAULT; | |
757 | } | |
758 | ||
759 | if (list_empty(&m_node->list)) { | |
760 | DRM_ERROR("empty memory node.\n"); | |
761 | return -ENOMEM; | |
762 | } | |
763 | ||
764 | mutex_lock(&c_node->mem_lock); | |
765 | ||
cbc4c33d | 766 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
767 | |
768 | /* put gem buffer */ | |
769 | for_each_ipp_planar(i) { | |
770 | unsigned long handle = m_node->buf_info.handles[i]; | |
771 | if (handle) | |
772 | exynos_drm_gem_put_dma_addr(drm_dev, handle, | |
773 | m_node->filp); | |
774 | } | |
775 | ||
776 | /* delete list in queue */ | |
777 | list_del(&m_node->list); | |
778 | kfree(m_node); | |
779 | ||
780 | mutex_unlock(&c_node->mem_lock); | |
781 | ||
782 | return 0; | |
783 | } | |
784 | ||
785 | static void ipp_free_event(struct drm_pending_event *event) | |
786 | { | |
787 | kfree(event); | |
788 | } | |
789 | ||
790 | static int ipp_get_event(struct drm_device *drm_dev, | |
791 | struct drm_file *file, | |
792 | struct drm_exynos_ipp_cmd_node *c_node, | |
793 | struct drm_exynos_ipp_queue_buf *qbuf) | |
794 | { | |
795 | struct drm_exynos_ipp_send_event *e; | |
796 | unsigned long flags; | |
797 | ||
cbc4c33d | 798 | DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id); |
cb471f14 EK |
799 | |
800 | e = kzalloc(sizeof(*e), GFP_KERNEL); | |
801 | ||
802 | if (!e) { | |
803 | DRM_ERROR("failed to allocate event.\n"); | |
804 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
805 | file->event_space += sizeof(e->event); | |
806 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
807 | return -ENOMEM; | |
808 | } | |
809 | ||
810 | /* make event */ | |
811 | e->event.base.type = DRM_EXYNOS_IPP_EVENT; | |
812 | e->event.base.length = sizeof(e->event); | |
813 | e->event.user_data = qbuf->user_data; | |
814 | e->event.prop_id = qbuf->prop_id; | |
815 | e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id; | |
816 | e->base.event = &e->event.base; | |
817 | e->base.file_priv = file; | |
818 | e->base.destroy = ipp_free_event; | |
819 | list_add_tail(&e->base.link, &c_node->event_list); | |
820 | ||
821 | return 0; | |
822 | } | |
823 | ||
824 | static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, | |
825 | struct drm_exynos_ipp_queue_buf *qbuf) | |
826 | { | |
827 | struct drm_exynos_ipp_send_event *e, *te; | |
828 | int count = 0; | |
829 | ||
cb471f14 | 830 | if (list_empty(&c_node->event_list)) { |
cbc4c33d | 831 | DRM_DEBUG_KMS("event_list is empty.\n"); |
cb471f14 EK |
832 | return; |
833 | } | |
834 | ||
835 | list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { | |
cbc4c33d | 836 | DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); |
cb471f14 EK |
837 | |
838 | /* | |
839 | * quf == NULL condition means all event deletion. | |
840 | * stop operations want to delete all event list. | |
841 | * another case delete only same buf id. | |
842 | */ | |
843 | if (!qbuf) { | |
844 | /* delete list */ | |
845 | list_del(&e->base.link); | |
846 | kfree(e); | |
847 | } | |
848 | ||
849 | /* compare buffer id */ | |
850 | if (qbuf && (qbuf->buf_id == | |
851 | e->event.buf_id[EXYNOS_DRM_OPS_DST])) { | |
852 | /* delete list */ | |
853 | list_del(&e->base.link); | |
854 | kfree(e); | |
855 | return; | |
856 | } | |
857 | } | |
858 | } | |
859 | ||
0bc4a0aa | 860 | static void ipp_handle_cmd_work(struct device *dev, |
cb471f14 EK |
861 | struct exynos_drm_ippdrv *ippdrv, |
862 | struct drm_exynos_ipp_cmd_work *cmd_work, | |
863 | struct drm_exynos_ipp_cmd_node *c_node) | |
864 | { | |
865 | struct ipp_context *ctx = get_ipp_context(dev); | |
866 | ||
867 | cmd_work->ippdrv = ippdrv; | |
868 | cmd_work->c_node = c_node; | |
869 | queue_work(ctx->cmd_workq, (struct work_struct *)cmd_work); | |
870 | } | |
871 | ||
872 | static int ipp_queue_buf_with_run(struct device *dev, | |
873 | struct drm_exynos_ipp_cmd_node *c_node, | |
874 | struct drm_exynos_ipp_mem_node *m_node, | |
875 | struct drm_exynos_ipp_queue_buf *qbuf) | |
876 | { | |
877 | struct exynos_drm_ippdrv *ippdrv; | |
878 | struct drm_exynos_ipp_property *property; | |
879 | struct exynos_drm_ipp_ops *ops; | |
880 | int ret; | |
881 | ||
cb471f14 | 882 | ippdrv = ipp_find_drv_by_handle(qbuf->prop_id); |
f0250458 | 883 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
884 | DRM_ERROR("failed to get ipp driver.\n"); |
885 | return -EFAULT; | |
886 | } | |
887 | ||
888 | ops = ippdrv->ops[qbuf->ops_id]; | |
889 | if (!ops) { | |
890 | DRM_ERROR("failed to get ops.\n"); | |
891 | return -EFAULT; | |
892 | } | |
893 | ||
894 | property = &c_node->property; | |
895 | ||
896 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d | 897 | DRM_DEBUG_KMS("bypass for invalid state.\n"); |
cb471f14 EK |
898 | return 0; |
899 | } | |
900 | ||
901 | if (!ipp_check_mem_list(c_node)) { | |
cbc4c33d | 902 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
903 | return 0; |
904 | } | |
905 | ||
906 | /* | |
907 | * If set destination buffer and enabled clock, | |
908 | * then m2m operations need start operations at queue_buf | |
909 | */ | |
910 | if (ipp_is_m2m_cmd(property->cmd)) { | |
911 | struct drm_exynos_ipp_cmd_work *cmd_work = c_node->start_work; | |
912 | ||
913 | cmd_work->ctrl = IPP_CTRL_PLAY; | |
914 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
915 | } else { | |
916 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
917 | if (ret) { | |
918 | DRM_ERROR("failed to set m node.\n"); | |
919 | return ret; | |
920 | } | |
921 | } | |
922 | ||
923 | return 0; | |
924 | } | |
925 | ||
926 | static void ipp_clean_queue_buf(struct drm_device *drm_dev, | |
927 | struct drm_exynos_ipp_cmd_node *c_node, | |
928 | struct drm_exynos_ipp_queue_buf *qbuf) | |
929 | { | |
930 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
931 | ||
cb471f14 EK |
932 | if (!list_empty(&c_node->mem_list[qbuf->ops_id])) { |
933 | /* delete list */ | |
934 | list_for_each_entry_safe(m_node, tm_node, | |
935 | &c_node->mem_list[qbuf->ops_id], list) { | |
936 | if (m_node->buf_id == qbuf->buf_id && | |
937 | m_node->ops_id == qbuf->ops_id) | |
938 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
939 | } | |
940 | } | |
941 | } | |
942 | ||
943 | int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, | |
944 | struct drm_file *file) | |
945 | { | |
946 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
947 | struct exynos_drm_ipp_private *priv = file_priv->ipp_priv; | |
948 | struct device *dev = priv->dev; | |
949 | struct ipp_context *ctx = get_ipp_context(dev); | |
950 | struct drm_exynos_ipp_queue_buf *qbuf = data; | |
951 | struct drm_exynos_ipp_cmd_node *c_node; | |
952 | struct drm_exynos_ipp_mem_node *m_node; | |
953 | int ret; | |
954 | ||
cb471f14 EK |
955 | if (!qbuf) { |
956 | DRM_ERROR("invalid buf parameter.\n"); | |
957 | return -EINVAL; | |
958 | } | |
959 | ||
960 | if (qbuf->ops_id >= EXYNOS_DRM_OPS_MAX) { | |
961 | DRM_ERROR("invalid ops parameter.\n"); | |
962 | return -EINVAL; | |
963 | } | |
964 | ||
cbc4c33d YC |
965 | DRM_DEBUG_KMS("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n", |
966 | qbuf->prop_id, qbuf->ops_id ? "dst" : "src", | |
cb471f14 EK |
967 | qbuf->buf_id, qbuf->buf_type); |
968 | ||
969 | /* find command node */ | |
970 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
971 | qbuf->prop_id); | |
be348790 | 972 | if (IS_ERR(c_node)) { |
cb471f14 | 973 | DRM_ERROR("failed to get command node.\n"); |
be348790 | 974 | return PTR_ERR(c_node); |
cb471f14 EK |
975 | } |
976 | ||
977 | /* buffer control */ | |
978 | switch (qbuf->buf_type) { | |
979 | case IPP_BUF_ENQUEUE: | |
980 | /* get memory node */ | |
981 | m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf); | |
982 | if (IS_ERR(m_node)) { | |
983 | DRM_ERROR("failed to get m_node.\n"); | |
984 | return PTR_ERR(m_node); | |
985 | } | |
986 | ||
987 | /* | |
988 | * first step get event for destination buffer. | |
989 | * and second step when M2M case run with destination buffer | |
990 | * if needed. | |
991 | */ | |
992 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) { | |
993 | /* get event for destination buffer */ | |
994 | ret = ipp_get_event(drm_dev, file, c_node, qbuf); | |
995 | if (ret) { | |
996 | DRM_ERROR("failed to get event.\n"); | |
997 | goto err_clean_node; | |
998 | } | |
999 | ||
1000 | /* | |
1001 | * M2M case run play control for streaming feature. | |
1002 | * other case set address and waiting. | |
1003 | */ | |
1004 | ret = ipp_queue_buf_with_run(dev, c_node, m_node, qbuf); | |
1005 | if (ret) { | |
1006 | DRM_ERROR("failed to run command.\n"); | |
1007 | goto err_clean_node; | |
1008 | } | |
1009 | } | |
1010 | break; | |
1011 | case IPP_BUF_DEQUEUE: | |
1012 | mutex_lock(&c_node->cmd_lock); | |
1013 | ||
1014 | /* put event for destination buffer */ | |
1015 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) | |
1016 | ipp_put_event(c_node, qbuf); | |
1017 | ||
1018 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
1019 | ||
1020 | mutex_unlock(&c_node->cmd_lock); | |
1021 | break; | |
1022 | default: | |
1023 | DRM_ERROR("invalid buffer control.\n"); | |
1024 | return -EINVAL; | |
1025 | } | |
1026 | ||
1027 | return 0; | |
1028 | ||
1029 | err_clean_node: | |
1030 | DRM_ERROR("clean memory nodes.\n"); | |
1031 | ||
1032 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
1033 | return ret; | |
1034 | } | |
1035 | ||
1036 | static bool exynos_drm_ipp_check_valid(struct device *dev, | |
1037 | enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state) | |
1038 | { | |
cb471f14 EK |
1039 | if (ctrl != IPP_CTRL_PLAY) { |
1040 | if (pm_runtime_suspended(dev)) { | |
1041 | DRM_ERROR("pm:runtime_suspended.\n"); | |
1042 | goto err_status; | |
1043 | } | |
1044 | } | |
1045 | ||
1046 | switch (ctrl) { | |
1047 | case IPP_CTRL_PLAY: | |
1048 | if (state != IPP_STATE_IDLE) | |
1049 | goto err_status; | |
1050 | break; | |
1051 | case IPP_CTRL_STOP: | |
1052 | if (state == IPP_STATE_STOP) | |
1053 | goto err_status; | |
1054 | break; | |
1055 | case IPP_CTRL_PAUSE: | |
1056 | if (state != IPP_STATE_START) | |
1057 | goto err_status; | |
1058 | break; | |
1059 | case IPP_CTRL_RESUME: | |
1060 | if (state != IPP_STATE_STOP) | |
1061 | goto err_status; | |
1062 | break; | |
1063 | default: | |
1064 | DRM_ERROR("invalid state.\n"); | |
1065 | goto err_status; | |
cb471f14 EK |
1066 | } |
1067 | ||
1068 | return true; | |
1069 | ||
1070 | err_status: | |
1071 | DRM_ERROR("invalid status:ctrl[%d]state[%d]\n", ctrl, state); | |
1072 | return false; | |
1073 | } | |
1074 | ||
1075 | int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, | |
1076 | struct drm_file *file) | |
1077 | { | |
1078 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
1079 | struct exynos_drm_ipp_private *priv = file_priv->ipp_priv; | |
1080 | struct exynos_drm_ippdrv *ippdrv = NULL; | |
1081 | struct device *dev = priv->dev; | |
1082 | struct ipp_context *ctx = get_ipp_context(dev); | |
1083 | struct drm_exynos_ipp_cmd_ctrl *cmd_ctrl = data; | |
1084 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
1085 | struct drm_exynos_ipp_cmd_node *c_node; | |
1086 | ||
cb471f14 EK |
1087 | if (!ctx) { |
1088 | DRM_ERROR("invalid context.\n"); | |
1089 | return -EINVAL; | |
1090 | } | |
1091 | ||
1092 | if (!cmd_ctrl) { | |
1093 | DRM_ERROR("invalid control parameter.\n"); | |
1094 | return -EINVAL; | |
1095 | } | |
1096 | ||
cbc4c33d | 1097 | DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1098 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1099 | ||
1100 | ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id); | |
1101 | if (IS_ERR(ippdrv)) { | |
1102 | DRM_ERROR("failed to get ipp driver.\n"); | |
1103 | return PTR_ERR(ippdrv); | |
1104 | } | |
1105 | ||
1106 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
1107 | cmd_ctrl->prop_id); | |
be348790 | 1108 | if (IS_ERR(c_node)) { |
cb471f14 | 1109 | DRM_ERROR("invalid command node list.\n"); |
be348790 | 1110 | return PTR_ERR(c_node); |
cb471f14 EK |
1111 | } |
1112 | ||
1113 | if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl, | |
1114 | c_node->state)) { | |
1115 | DRM_ERROR("invalid state.\n"); | |
1116 | return -EINVAL; | |
1117 | } | |
1118 | ||
1119 | switch (cmd_ctrl->ctrl) { | |
1120 | case IPP_CTRL_PLAY: | |
1121 | if (pm_runtime_suspended(ippdrv->dev)) | |
1122 | pm_runtime_get_sync(ippdrv->dev); | |
1123 | c_node->state = IPP_STATE_START; | |
1124 | ||
1125 | cmd_work = c_node->start_work; | |
1126 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1127 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1128 | c_node->state = IPP_STATE_START; | |
1129 | break; | |
1130 | case IPP_CTRL_STOP: | |
1131 | cmd_work = c_node->stop_work; | |
1132 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1133 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1134 | ||
1135 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1136 | msecs_to_jiffies(300))) { | |
1137 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1138 | c_node->property.prop_id); | |
1139 | } | |
1140 | ||
1141 | c_node->state = IPP_STATE_STOP; | |
1142 | ippdrv->dedicated = false; | |
1143 | ipp_clean_cmd_node(c_node); | |
1144 | ||
1145 | if (list_empty(&ippdrv->cmd_list)) | |
1146 | pm_runtime_put_sync(ippdrv->dev); | |
1147 | break; | |
1148 | case IPP_CTRL_PAUSE: | |
1149 | cmd_work = c_node->stop_work; | |
1150 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1151 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1152 | ||
1153 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1154 | msecs_to_jiffies(200))) { | |
1155 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1156 | c_node->property.prop_id); | |
1157 | } | |
1158 | ||
1159 | c_node->state = IPP_STATE_STOP; | |
1160 | break; | |
1161 | case IPP_CTRL_RESUME: | |
1162 | c_node->state = IPP_STATE_START; | |
1163 | cmd_work = c_node->start_work; | |
1164 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1165 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1166 | break; | |
1167 | default: | |
1168 | DRM_ERROR("could not support this state currently.\n"); | |
1169 | return -EINVAL; | |
1170 | } | |
1171 | ||
cbc4c33d | 1172 | DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1173 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1174 | ||
1175 | return 0; | |
1176 | } | |
1177 | ||
1178 | int exynos_drm_ippnb_register(struct notifier_block *nb) | |
1179 | { | |
1180 | return blocking_notifier_chain_register( | |
1181 | &exynos_drm_ippnb_list, nb); | |
1182 | } | |
1183 | ||
1184 | int exynos_drm_ippnb_unregister(struct notifier_block *nb) | |
1185 | { | |
1186 | return blocking_notifier_chain_unregister( | |
1187 | &exynos_drm_ippnb_list, nb); | |
1188 | } | |
1189 | ||
1190 | int exynos_drm_ippnb_send_event(unsigned long val, void *v) | |
1191 | { | |
1192 | return blocking_notifier_call_chain( | |
1193 | &exynos_drm_ippnb_list, val, v); | |
1194 | } | |
1195 | ||
1196 | static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv, | |
1197 | struct drm_exynos_ipp_property *property) | |
1198 | { | |
1199 | struct exynos_drm_ipp_ops *ops = NULL; | |
1200 | bool swap = false; | |
1201 | int ret, i; | |
1202 | ||
1203 | if (!property) { | |
1204 | DRM_ERROR("invalid property parameter.\n"); | |
1205 | return -EINVAL; | |
1206 | } | |
1207 | ||
cbc4c33d | 1208 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1209 | |
1210 | /* reset h/w block */ | |
1211 | if (ippdrv->reset && | |
1212 | ippdrv->reset(ippdrv->dev)) { | |
1213 | DRM_ERROR("failed to reset.\n"); | |
1214 | return -EINVAL; | |
1215 | } | |
1216 | ||
1217 | /* set source,destination operations */ | |
1218 | for_each_ipp_ops(i) { | |
1219 | struct drm_exynos_ipp_config *config = | |
1220 | &property->config[i]; | |
1221 | ||
1222 | ops = ippdrv->ops[i]; | |
1223 | if (!ops || !config) { | |
1224 | DRM_ERROR("not support ops and config.\n"); | |
1225 | return -EINVAL; | |
1226 | } | |
1227 | ||
1228 | /* set format */ | |
1229 | if (ops->set_fmt) { | |
1230 | ret = ops->set_fmt(ippdrv->dev, config->fmt); | |
1231 | if (ret) { | |
1232 | DRM_ERROR("not support format.\n"); | |
1233 | return ret; | |
1234 | } | |
1235 | } | |
1236 | ||
1237 | /* set transform for rotation, flip */ | |
1238 | if (ops->set_transf) { | |
1239 | ret = ops->set_transf(ippdrv->dev, config->degree, | |
1240 | config->flip, &swap); | |
1241 | if (ret) { | |
1242 | DRM_ERROR("not support tranf.\n"); | |
1243 | return -EINVAL; | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | /* set size */ | |
1248 | if (ops->set_size) { | |
1249 | ret = ops->set_size(ippdrv->dev, swap, &config->pos, | |
1250 | &config->sz); | |
1251 | if (ret) { | |
1252 | DRM_ERROR("not support size.\n"); | |
1253 | return ret; | |
1254 | } | |
1255 | } | |
1256 | } | |
1257 | ||
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, | |
1262 | struct drm_exynos_ipp_cmd_node *c_node) | |
1263 | { | |
1264 | struct drm_exynos_ipp_mem_node *m_node; | |
1265 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1266 | struct list_head *head; | |
1267 | int ret, i; | |
1268 | ||
cbc4c33d | 1269 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1270 | |
1271 | /* store command info in ippdrv */ | |
7259c3d6 | 1272 | ippdrv->c_node = c_node; |
cb471f14 EK |
1273 | |
1274 | if (!ipp_check_mem_list(c_node)) { | |
cbc4c33d | 1275 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
1276 | return -ENOMEM; |
1277 | } | |
1278 | ||
1279 | /* set current property in ippdrv */ | |
1280 | ret = ipp_set_property(ippdrv, property); | |
1281 | if (ret) { | |
1282 | DRM_ERROR("failed to set property.\n"); | |
7259c3d6 | 1283 | ippdrv->c_node = NULL; |
cb471f14 EK |
1284 | return ret; |
1285 | } | |
1286 | ||
1287 | /* check command */ | |
1288 | switch (property->cmd) { | |
1289 | case IPP_CMD_M2M: | |
1290 | for_each_ipp_ops(i) { | |
1291 | /* source/destination memory list */ | |
1292 | head = &c_node->mem_list[i]; | |
1293 | ||
1294 | m_node = list_first_entry(head, | |
1295 | struct drm_exynos_ipp_mem_node, list); | |
1296 | if (!m_node) { | |
1297 | DRM_ERROR("failed to get node.\n"); | |
1298 | ret = -EFAULT; | |
1299 | return ret; | |
1300 | } | |
1301 | ||
cbc4c33d | 1302 | DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node); |
cb471f14 EK |
1303 | |
1304 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1305 | if (ret) { | |
1306 | DRM_ERROR("failed to set m node.\n"); | |
1307 | return ret; | |
1308 | } | |
1309 | } | |
1310 | break; | |
1311 | case IPP_CMD_WB: | |
1312 | /* destination memory list */ | |
1313 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1314 | ||
1315 | list_for_each_entry(m_node, head, list) { | |
1316 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1317 | if (ret) { | |
1318 | DRM_ERROR("failed to set m node.\n"); | |
1319 | return ret; | |
1320 | } | |
1321 | } | |
1322 | break; | |
1323 | case IPP_CMD_OUTPUT: | |
1324 | /* source memory list */ | |
1325 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1326 | ||
1327 | list_for_each_entry(m_node, head, list) { | |
1328 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1329 | if (ret) { | |
1330 | DRM_ERROR("failed to set m node.\n"); | |
1331 | return ret; | |
1332 | } | |
1333 | } | |
1334 | break; | |
1335 | default: | |
1336 | DRM_ERROR("invalid operations.\n"); | |
1337 | return -EINVAL; | |
1338 | } | |
1339 | ||
cbc4c33d | 1340 | DRM_DEBUG_KMS("cmd[%d]\n", property->cmd); |
cb471f14 EK |
1341 | |
1342 | /* start operations */ | |
1343 | if (ippdrv->start) { | |
1344 | ret = ippdrv->start(ippdrv->dev, property->cmd); | |
1345 | if (ret) { | |
1346 | DRM_ERROR("failed to start ops.\n"); | |
1347 | return ret; | |
1348 | } | |
1349 | } | |
1350 | ||
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | static int ipp_stop_property(struct drm_device *drm_dev, | |
1355 | struct exynos_drm_ippdrv *ippdrv, | |
1356 | struct drm_exynos_ipp_cmd_node *c_node) | |
1357 | { | |
1358 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
1359 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1360 | struct list_head *head; | |
1361 | int ret = 0, i; | |
1362 | ||
cbc4c33d | 1363 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1364 | |
1365 | /* put event */ | |
1366 | ipp_put_event(c_node, NULL); | |
1367 | ||
1368 | /* check command */ | |
1369 | switch (property->cmd) { | |
1370 | case IPP_CMD_M2M: | |
1371 | for_each_ipp_ops(i) { | |
1372 | /* source/destination memory list */ | |
1373 | head = &c_node->mem_list[i]; | |
1374 | ||
1375 | if (list_empty(head)) { | |
cbc4c33d | 1376 | DRM_DEBUG_KMS("mem_list is empty.\n"); |
cb471f14 EK |
1377 | break; |
1378 | } | |
1379 | ||
1380 | list_for_each_entry_safe(m_node, tm_node, | |
1381 | head, list) { | |
1382 | ret = ipp_put_mem_node(drm_dev, c_node, | |
1383 | m_node); | |
1384 | if (ret) { | |
1385 | DRM_ERROR("failed to put m_node.\n"); | |
1386 | goto err_clear; | |
1387 | } | |
1388 | } | |
1389 | } | |
1390 | break; | |
1391 | case IPP_CMD_WB: | |
1392 | /* destination memory list */ | |
1393 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1394 | ||
1395 | if (list_empty(head)) { | |
cbc4c33d | 1396 | DRM_DEBUG_KMS("mem_list is empty.\n"); |
cb471f14 EK |
1397 | break; |
1398 | } | |
1399 | ||
1400 | list_for_each_entry_safe(m_node, tm_node, head, list) { | |
1401 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1402 | if (ret) { | |
1403 | DRM_ERROR("failed to put m_node.\n"); | |
1404 | goto err_clear; | |
1405 | } | |
1406 | } | |
1407 | break; | |
1408 | case IPP_CMD_OUTPUT: | |
1409 | /* source memory list */ | |
1410 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1411 | ||
1412 | if (list_empty(head)) { | |
cbc4c33d | 1413 | DRM_DEBUG_KMS("mem_list is empty.\n"); |
cb471f14 EK |
1414 | break; |
1415 | } | |
1416 | ||
1417 | list_for_each_entry_safe(m_node, tm_node, head, list) { | |
1418 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1419 | if (ret) { | |
1420 | DRM_ERROR("failed to put m_node.\n"); | |
1421 | goto err_clear; | |
1422 | } | |
1423 | } | |
1424 | break; | |
1425 | default: | |
1426 | DRM_ERROR("invalid operations.\n"); | |
1427 | ret = -EINVAL; | |
1428 | goto err_clear; | |
1429 | } | |
1430 | ||
1431 | err_clear: | |
1432 | /* stop operations */ | |
1433 | if (ippdrv->stop) | |
1434 | ippdrv->stop(ippdrv->dev, property->cmd); | |
1435 | ||
1436 | return ret; | |
1437 | } | |
1438 | ||
1439 | void ipp_sched_cmd(struct work_struct *work) | |
1440 | { | |
1441 | struct drm_exynos_ipp_cmd_work *cmd_work = | |
1442 | (struct drm_exynos_ipp_cmd_work *)work; | |
1443 | struct exynos_drm_ippdrv *ippdrv; | |
1444 | struct drm_exynos_ipp_cmd_node *c_node; | |
1445 | struct drm_exynos_ipp_property *property; | |
1446 | int ret; | |
1447 | ||
cb471f14 EK |
1448 | ippdrv = cmd_work->ippdrv; |
1449 | if (!ippdrv) { | |
1450 | DRM_ERROR("invalid ippdrv list.\n"); | |
1451 | return; | |
1452 | } | |
1453 | ||
1454 | c_node = cmd_work->c_node; | |
1455 | if (!c_node) { | |
1456 | DRM_ERROR("invalid command node list.\n"); | |
1457 | return; | |
1458 | } | |
1459 | ||
1460 | mutex_lock(&c_node->cmd_lock); | |
1461 | ||
1462 | property = &c_node->property; | |
cb471f14 EK |
1463 | |
1464 | switch (cmd_work->ctrl) { | |
1465 | case IPP_CTRL_PLAY: | |
1466 | case IPP_CTRL_RESUME: | |
1467 | ret = ipp_start_property(ippdrv, c_node); | |
1468 | if (ret) { | |
1469 | DRM_ERROR("failed to start property:prop_id[%d]\n", | |
1470 | c_node->property.prop_id); | |
1471 | goto err_unlock; | |
1472 | } | |
1473 | ||
1474 | /* | |
1475 | * M2M case supports wait_completion of transfer. | |
1476 | * because M2M case supports single unit operation | |
1477 | * with multiple queue. | |
1478 | * M2M need to wait completion of data transfer. | |
1479 | */ | |
1480 | if (ipp_is_m2m_cmd(property->cmd)) { | |
1481 | if (!wait_for_completion_timeout | |
1482 | (&c_node->start_complete, msecs_to_jiffies(200))) { | |
1483 | DRM_ERROR("timeout event:prop_id[%d]\n", | |
1484 | c_node->property.prop_id); | |
1485 | goto err_unlock; | |
1486 | } | |
1487 | } | |
1488 | break; | |
1489 | case IPP_CTRL_STOP: | |
1490 | case IPP_CTRL_PAUSE: | |
1491 | ret = ipp_stop_property(ippdrv->drm_dev, ippdrv, | |
1492 | c_node); | |
1493 | if (ret) { | |
1494 | DRM_ERROR("failed to stop property.\n"); | |
1495 | goto err_unlock; | |
1496 | } | |
1497 | ||
1498 | complete(&c_node->stop_complete); | |
1499 | break; | |
1500 | default: | |
1501 | DRM_ERROR("unknown control type\n"); | |
1502 | break; | |
1503 | } | |
1504 | ||
cbc4c33d | 1505 | DRM_DEBUG_KMS("ctrl[%d] done.\n", cmd_work->ctrl); |
cb471f14 EK |
1506 | |
1507 | err_unlock: | |
1508 | mutex_unlock(&c_node->cmd_lock); | |
1509 | } | |
1510 | ||
1511 | static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv, | |
1512 | struct drm_exynos_ipp_cmd_node *c_node, int *buf_id) | |
1513 | { | |
1514 | struct drm_device *drm_dev = ippdrv->drm_dev; | |
1515 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1516 | struct drm_exynos_ipp_mem_node *m_node; | |
1517 | struct drm_exynos_ipp_queue_buf qbuf; | |
1518 | struct drm_exynos_ipp_send_event *e; | |
1519 | struct list_head *head; | |
1520 | struct timeval now; | |
1521 | unsigned long flags; | |
1522 | u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, }; | |
1523 | int ret, i; | |
1524 | ||
1525 | for_each_ipp_ops(i) | |
cbc4c33d | 1526 | DRM_DEBUG_KMS("%s buf_id[%d]\n", i ? "dst" : "src", buf_id[i]); |
cb471f14 EK |
1527 | |
1528 | if (!drm_dev) { | |
1529 | DRM_ERROR("failed to get drm_dev.\n"); | |
1530 | return -EINVAL; | |
1531 | } | |
1532 | ||
1533 | if (!property) { | |
1534 | DRM_ERROR("failed to get property.\n"); | |
1535 | return -EINVAL; | |
1536 | } | |
1537 | ||
1538 | if (list_empty(&c_node->event_list)) { | |
cbc4c33d | 1539 | DRM_DEBUG_KMS("event list is empty.\n"); |
cb471f14 EK |
1540 | return 0; |
1541 | } | |
1542 | ||
1543 | if (!ipp_check_mem_list(c_node)) { | |
cbc4c33d | 1544 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
1545 | return 0; |
1546 | } | |
1547 | ||
1548 | /* check command */ | |
1549 | switch (property->cmd) { | |
1550 | case IPP_CMD_M2M: | |
1551 | for_each_ipp_ops(i) { | |
1552 | /* source/destination memory list */ | |
1553 | head = &c_node->mem_list[i]; | |
1554 | ||
1555 | m_node = list_first_entry(head, | |
1556 | struct drm_exynos_ipp_mem_node, list); | |
1557 | if (!m_node) { | |
1558 | DRM_ERROR("empty memory node.\n"); | |
1559 | return -ENOMEM; | |
1560 | } | |
1561 | ||
1562 | tbuf_id[i] = m_node->buf_id; | |
cbc4c33d | 1563 | DRM_DEBUG_KMS("%s buf_id[%d]\n", |
cb471f14 EK |
1564 | i ? "dst" : "src", tbuf_id[i]); |
1565 | ||
1566 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1567 | if (ret) | |
1568 | DRM_ERROR("failed to put m_node.\n"); | |
1569 | } | |
1570 | break; | |
1571 | case IPP_CMD_WB: | |
1572 | /* clear buf for finding */ | |
1573 | memset(&qbuf, 0x0, sizeof(qbuf)); | |
1574 | qbuf.ops_id = EXYNOS_DRM_OPS_DST; | |
1575 | qbuf.buf_id = buf_id[EXYNOS_DRM_OPS_DST]; | |
1576 | ||
1577 | /* get memory node entry */ | |
1578 | m_node = ipp_find_mem_node(c_node, &qbuf); | |
1579 | if (!m_node) { | |
1580 | DRM_ERROR("empty memory node.\n"); | |
1581 | return -ENOMEM; | |
1582 | } | |
1583 | ||
1584 | tbuf_id[EXYNOS_DRM_OPS_DST] = m_node->buf_id; | |
1585 | ||
1586 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1587 | if (ret) | |
1588 | DRM_ERROR("failed to put m_node.\n"); | |
1589 | break; | |
1590 | case IPP_CMD_OUTPUT: | |
1591 | /* source memory list */ | |
1592 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1593 | ||
1594 | m_node = list_first_entry(head, | |
1595 | struct drm_exynos_ipp_mem_node, list); | |
1596 | if (!m_node) { | |
1597 | DRM_ERROR("empty memory node.\n"); | |
1598 | return -ENOMEM; | |
1599 | } | |
1600 | ||
1601 | tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id; | |
1602 | ||
1603 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1604 | if (ret) | |
1605 | DRM_ERROR("failed to put m_node.\n"); | |
1606 | break; | |
1607 | default: | |
1608 | DRM_ERROR("invalid operations.\n"); | |
1609 | return -EINVAL; | |
1610 | } | |
1611 | ||
1612 | if (tbuf_id[EXYNOS_DRM_OPS_DST] != buf_id[EXYNOS_DRM_OPS_DST]) | |
1613 | DRM_ERROR("failed to match buf_id[%d %d]prop_id[%d]\n", | |
1614 | tbuf_id[1], buf_id[1], property->prop_id); | |
1615 | ||
1616 | /* | |
1617 | * command node have event list of destination buffer | |
1618 | * If destination buffer enqueue to mem list, | |
1619 | * then we make event and link to event list tail. | |
1620 | * so, we get first event for first enqueued buffer. | |
1621 | */ | |
1622 | e = list_first_entry(&c_node->event_list, | |
1623 | struct drm_exynos_ipp_send_event, base.link); | |
1624 | ||
1625 | if (!e) { | |
1626 | DRM_ERROR("empty event.\n"); | |
1627 | return -EINVAL; | |
1628 | } | |
1629 | ||
1630 | do_gettimeofday(&now); | |
cbc4c33d | 1631 | DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", now.tv_sec, now.tv_usec); |
cb471f14 EK |
1632 | e->event.tv_sec = now.tv_sec; |
1633 | e->event.tv_usec = now.tv_usec; | |
1634 | e->event.prop_id = property->prop_id; | |
1635 | ||
1636 | /* set buffer id about source destination */ | |
1637 | for_each_ipp_ops(i) | |
1638 | e->event.buf_id[i] = tbuf_id[i]; | |
1639 | ||
1640 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
1641 | list_move_tail(&e->base.link, &e->base.file_priv->event_list); | |
1642 | wake_up_interruptible(&e->base.file_priv->event_wait); | |
1643 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
1644 | ||
cbc4c33d | 1645 | DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n", |
cb471f14 EK |
1646 | property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]); |
1647 | ||
1648 | return 0; | |
1649 | } | |
1650 | ||
1651 | void ipp_sched_event(struct work_struct *work) | |
1652 | { | |
1653 | struct drm_exynos_ipp_event_work *event_work = | |
1654 | (struct drm_exynos_ipp_event_work *)work; | |
1655 | struct exynos_drm_ippdrv *ippdrv; | |
1656 | struct drm_exynos_ipp_cmd_node *c_node; | |
1657 | int ret; | |
1658 | ||
1659 | if (!event_work) { | |
1660 | DRM_ERROR("failed to get event_work.\n"); | |
1661 | return; | |
1662 | } | |
1663 | ||
cbc4c33d | 1664 | DRM_DEBUG_KMS("buf_id[%d]\n", event_work->buf_id[EXYNOS_DRM_OPS_DST]); |
cb471f14 EK |
1665 | |
1666 | ippdrv = event_work->ippdrv; | |
1667 | if (!ippdrv) { | |
1668 | DRM_ERROR("failed to get ipp driver.\n"); | |
1669 | return; | |
1670 | } | |
1671 | ||
7259c3d6 | 1672 | c_node = ippdrv->c_node; |
cb471f14 EK |
1673 | if (!c_node) { |
1674 | DRM_ERROR("failed to get command node.\n"); | |
1675 | return; | |
1676 | } | |
1677 | ||
1678 | /* | |
1679 | * IPP supports command thread, event thread synchronization. | |
1680 | * If IPP close immediately from user land, then IPP make | |
1681 | * synchronization with command thread, so make complete event. | |
1682 | * or going out operations. | |
1683 | */ | |
1684 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d YC |
1685 | DRM_DEBUG_KMS("bypass state[%d]prop_id[%d]\n", |
1686 | c_node->state, c_node->property.prop_id); | |
cb471f14 EK |
1687 | goto err_completion; |
1688 | } | |
1689 | ||
1690 | mutex_lock(&c_node->event_lock); | |
1691 | ||
1692 | ret = ipp_send_event(ippdrv, c_node, event_work->buf_id); | |
1693 | if (ret) { | |
1694 | DRM_ERROR("failed to send event.\n"); | |
1695 | goto err_completion; | |
1696 | } | |
1697 | ||
1698 | err_completion: | |
1699 | if (ipp_is_m2m_cmd(c_node->property.cmd)) | |
1700 | complete(&c_node->start_complete); | |
1701 | ||
1702 | mutex_unlock(&c_node->event_lock); | |
1703 | } | |
1704 | ||
1705 | static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) | |
1706 | { | |
1707 | struct ipp_context *ctx = get_ipp_context(dev); | |
1708 | struct exynos_drm_ippdrv *ippdrv; | |
1709 | int ret, count = 0; | |
1710 | ||
cb471f14 EK |
1711 | /* get ipp driver entry */ |
1712 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
1713 | ippdrv->drm_dev = drm_dev; | |
1714 | ||
1715 | ret = ipp_create_id(&ctx->ipp_idr, &ctx->ipp_lock, ippdrv, | |
1716 | &ippdrv->ipp_id); | |
1717 | if (ret) { | |
1718 | DRM_ERROR("failed to create id.\n"); | |
1719 | goto err_idr; | |
1720 | } | |
1721 | ||
cbc4c33d | 1722 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n", |
cb471f14 EK |
1723 | count++, (int)ippdrv, ippdrv->ipp_id); |
1724 | ||
1725 | if (ippdrv->ipp_id == 0) { | |
1726 | DRM_ERROR("failed to get ipp_id[%d]\n", | |
1727 | ippdrv->ipp_id); | |
1728 | goto err_idr; | |
1729 | } | |
1730 | ||
1731 | /* store parent device for node */ | |
1732 | ippdrv->parent_dev = dev; | |
1733 | ||
1734 | /* store event work queue and handler */ | |
1735 | ippdrv->event_workq = ctx->event_workq; | |
1736 | ippdrv->sched_event = ipp_sched_event; | |
1737 | INIT_LIST_HEAD(&ippdrv->cmd_list); | |
c12e2617 EK |
1738 | |
1739 | if (is_drm_iommu_supported(drm_dev)) { | |
1740 | ret = drm_iommu_attach_device(drm_dev, ippdrv->dev); | |
1741 | if (ret) { | |
1742 | DRM_ERROR("failed to activate iommu\n"); | |
1743 | goto err_iommu; | |
1744 | } | |
1745 | } | |
cb471f14 EK |
1746 | } |
1747 | ||
1748 | return 0; | |
1749 | ||
c12e2617 EK |
1750 | err_iommu: |
1751 | /* get ipp driver entry */ | |
1752 | list_for_each_entry_reverse(ippdrv, &exynos_drm_ippdrv_list, drv_list) | |
1753 | if (is_drm_iommu_supported(drm_dev)) | |
1754 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1755 | ||
cb471f14 | 1756 | err_idr: |
cb471f14 EK |
1757 | idr_destroy(&ctx->ipp_idr); |
1758 | idr_destroy(&ctx->prop_idr); | |
1759 | return ret; | |
1760 | } | |
1761 | ||
1762 | static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) | |
1763 | { | |
1764 | struct exynos_drm_ippdrv *ippdrv; | |
1765 | ||
cb471f14 EK |
1766 | /* get ipp driver entry */ |
1767 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
c12e2617 EK |
1768 | if (is_drm_iommu_supported(drm_dev)) |
1769 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1770 | ||
cb471f14 EK |
1771 | ippdrv->drm_dev = NULL; |
1772 | exynos_drm_ippdrv_unregister(ippdrv); | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, | |
1777 | struct drm_file *file) | |
1778 | { | |
1779 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
1780 | struct exynos_drm_ipp_private *priv; | |
1781 | ||
cb471f14 EK |
1782 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
1783 | if (!priv) { | |
1784 | DRM_ERROR("failed to allocate priv.\n"); | |
1785 | return -ENOMEM; | |
1786 | } | |
1787 | priv->dev = dev; | |
1788 | file_priv->ipp_priv = priv; | |
1789 | ||
1790 | INIT_LIST_HEAD(&priv->event_list); | |
1791 | ||
cbc4c33d | 1792 | DRM_DEBUG_KMS("done priv[0x%x]\n", (int)priv); |
cb471f14 EK |
1793 | |
1794 | return 0; | |
1795 | } | |
1796 | ||
1797 | static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, | |
1798 | struct drm_file *file) | |
1799 | { | |
1800 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
1801 | struct exynos_drm_ipp_private *priv = file_priv->ipp_priv; | |
1802 | struct exynos_drm_ippdrv *ippdrv = NULL; | |
1803 | struct drm_exynos_ipp_cmd_node *c_node, *tc_node; | |
1804 | int count = 0; | |
1805 | ||
cbc4c33d | 1806 | DRM_DEBUG_KMS("for priv[0x%x]\n", (int)priv); |
cb471f14 EK |
1807 | |
1808 | if (list_empty(&exynos_drm_ippdrv_list)) { | |
cbc4c33d | 1809 | DRM_DEBUG_KMS("ippdrv_list is empty.\n"); |
cb471f14 EK |
1810 | goto err_clear; |
1811 | } | |
1812 | ||
1813 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
1814 | if (list_empty(&ippdrv->cmd_list)) | |
1815 | continue; | |
1816 | ||
1817 | list_for_each_entry_safe(c_node, tc_node, | |
1818 | &ippdrv->cmd_list, list) { | |
cbc4c33d YC |
1819 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", |
1820 | count++, (int)ippdrv); | |
cb471f14 EK |
1821 | |
1822 | if (c_node->priv == priv) { | |
1823 | /* | |
1824 | * userland goto unnormal state. process killed. | |
1825 | * and close the file. | |
1826 | * so, IPP didn't called stop cmd ctrl. | |
1827 | * so, we are make stop operation in this state. | |
1828 | */ | |
1829 | if (c_node->state == IPP_STATE_START) { | |
1830 | ipp_stop_property(drm_dev, ippdrv, | |
1831 | c_node); | |
1832 | c_node->state = IPP_STATE_STOP; | |
1833 | } | |
1834 | ||
1835 | ippdrv->dedicated = false; | |
1836 | ipp_clean_cmd_node(c_node); | |
1837 | if (list_empty(&ippdrv->cmd_list)) | |
1838 | pm_runtime_put_sync(ippdrv->dev); | |
1839 | } | |
1840 | } | |
1841 | } | |
1842 | ||
1843 | err_clear: | |
1844 | kfree(priv); | |
1845 | return; | |
1846 | } | |
1847 | ||
56550d94 | 1848 | static int ipp_probe(struct platform_device *pdev) |
cb471f14 EK |
1849 | { |
1850 | struct device *dev = &pdev->dev; | |
1851 | struct ipp_context *ctx; | |
1852 | struct exynos_drm_subdrv *subdrv; | |
1853 | int ret; | |
1854 | ||
d873ab99 | 1855 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
cb471f14 EK |
1856 | if (!ctx) |
1857 | return -ENOMEM; | |
1858 | ||
cb471f14 EK |
1859 | mutex_init(&ctx->ipp_lock); |
1860 | mutex_init(&ctx->prop_lock); | |
1861 | ||
1862 | idr_init(&ctx->ipp_idr); | |
1863 | idr_init(&ctx->prop_idr); | |
1864 | ||
1865 | /* | |
1866 | * create single thread for ipp event | |
1867 | * IPP supports event thread for IPP drivers. | |
1868 | * IPP driver send event_work to this thread. | |
1869 | * and IPP event thread send event to user process. | |
1870 | */ | |
1871 | ctx->event_workq = create_singlethread_workqueue("ipp_event"); | |
1872 | if (!ctx->event_workq) { | |
1873 | dev_err(dev, "failed to create event workqueue\n"); | |
bfb6ed26 | 1874 | return -EINVAL; |
cb471f14 EK |
1875 | } |
1876 | ||
1877 | /* | |
1878 | * create single thread for ipp command | |
1879 | * IPP supports command thread for user process. | |
1880 | * user process make command node using set property ioctl. | |
1881 | * and make start_work and send this work to command thread. | |
1882 | * and then this command thread start property. | |
1883 | */ | |
1884 | ctx->cmd_workq = create_singlethread_workqueue("ipp_cmd"); | |
1885 | if (!ctx->cmd_workq) { | |
1886 | dev_err(dev, "failed to create cmd workqueue\n"); | |
1887 | ret = -EINVAL; | |
1888 | goto err_event_workq; | |
1889 | } | |
1890 | ||
1891 | /* set sub driver informations */ | |
1892 | subdrv = &ctx->subdrv; | |
1893 | subdrv->dev = dev; | |
1894 | subdrv->probe = ipp_subdrv_probe; | |
1895 | subdrv->remove = ipp_subdrv_remove; | |
1896 | subdrv->open = ipp_subdrv_open; | |
1897 | subdrv->close = ipp_subdrv_close; | |
1898 | ||
1899 | platform_set_drvdata(pdev, ctx); | |
1900 | ||
1901 | ret = exynos_drm_subdrv_register(subdrv); | |
1902 | if (ret < 0) { | |
1903 | DRM_ERROR("failed to register drm ipp device.\n"); | |
1904 | goto err_cmd_workq; | |
1905 | } | |
1906 | ||
d873ab99 | 1907 | dev_info(dev, "drm ipp registered successfully.\n"); |
cb471f14 EK |
1908 | |
1909 | return 0; | |
1910 | ||
1911 | err_cmd_workq: | |
1912 | destroy_workqueue(ctx->cmd_workq); | |
1913 | err_event_workq: | |
1914 | destroy_workqueue(ctx->event_workq); | |
cb471f14 EK |
1915 | return ret; |
1916 | } | |
1917 | ||
56550d94 | 1918 | static int ipp_remove(struct platform_device *pdev) |
cb471f14 EK |
1919 | { |
1920 | struct ipp_context *ctx = platform_get_drvdata(pdev); | |
1921 | ||
cb471f14 EK |
1922 | /* unregister sub driver */ |
1923 | exynos_drm_subdrv_unregister(&ctx->subdrv); | |
1924 | ||
1925 | /* remove,destroy ipp idr */ | |
cb471f14 EK |
1926 | idr_destroy(&ctx->ipp_idr); |
1927 | idr_destroy(&ctx->prop_idr); | |
1928 | ||
1929 | mutex_destroy(&ctx->ipp_lock); | |
1930 | mutex_destroy(&ctx->prop_lock); | |
1931 | ||
1932 | /* destroy command, event work queue */ | |
1933 | destroy_workqueue(ctx->cmd_workq); | |
1934 | destroy_workqueue(ctx->event_workq); | |
1935 | ||
cb471f14 EK |
1936 | return 0; |
1937 | } | |
1938 | ||
1939 | static int ipp_power_ctrl(struct ipp_context *ctx, bool enable) | |
1940 | { | |
cbc4c33d | 1941 | DRM_DEBUG_KMS("enable[%d]\n", enable); |
cb471f14 EK |
1942 | |
1943 | return 0; | |
1944 | } | |
1945 | ||
1946 | #ifdef CONFIG_PM_SLEEP | |
1947 | static int ipp_suspend(struct device *dev) | |
1948 | { | |
1949 | struct ipp_context *ctx = get_ipp_context(dev); | |
1950 | ||
cb471f14 EK |
1951 | if (pm_runtime_suspended(dev)) |
1952 | return 0; | |
1953 | ||
1954 | return ipp_power_ctrl(ctx, false); | |
1955 | } | |
1956 | ||
1957 | static int ipp_resume(struct device *dev) | |
1958 | { | |
1959 | struct ipp_context *ctx = get_ipp_context(dev); | |
1960 | ||
cb471f14 EK |
1961 | if (!pm_runtime_suspended(dev)) |
1962 | return ipp_power_ctrl(ctx, true); | |
1963 | ||
1964 | return 0; | |
1965 | } | |
1966 | #endif | |
1967 | ||
1968 | #ifdef CONFIG_PM_RUNTIME | |
1969 | static int ipp_runtime_suspend(struct device *dev) | |
1970 | { | |
1971 | struct ipp_context *ctx = get_ipp_context(dev); | |
1972 | ||
cb471f14 EK |
1973 | return ipp_power_ctrl(ctx, false); |
1974 | } | |
1975 | ||
1976 | static int ipp_runtime_resume(struct device *dev) | |
1977 | { | |
1978 | struct ipp_context *ctx = get_ipp_context(dev); | |
1979 | ||
cb471f14 EK |
1980 | return ipp_power_ctrl(ctx, true); |
1981 | } | |
1982 | #endif | |
1983 | ||
1984 | static const struct dev_pm_ops ipp_pm_ops = { | |
1985 | SET_SYSTEM_SLEEP_PM_OPS(ipp_suspend, ipp_resume) | |
1986 | SET_RUNTIME_PM_OPS(ipp_runtime_suspend, ipp_runtime_resume, NULL) | |
1987 | }; | |
1988 | ||
1989 | struct platform_driver ipp_driver = { | |
1990 | .probe = ipp_probe, | |
56550d94 | 1991 | .remove = ipp_remove, |
cb471f14 EK |
1992 | .driver = { |
1993 | .name = "exynos-drm-ipp", | |
1994 | .owner = THIS_MODULE, | |
1995 | .pm = &ipp_pm_ops, | |
1996 | }, | |
1997 | }; | |
1998 |