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> | |
cb471f14 EK |
19 | |
20 | #include <drm/drmP.h> | |
21 | #include <drm/exynos_drm.h> | |
22 | #include "exynos_drm_drv.h" | |
23 | #include "exynos_drm_gem.h" | |
24 | #include "exynos_drm_ipp.h" | |
c12e2617 | 25 | #include "exynos_drm_iommu.h" |
cb471f14 EK |
26 | |
27 | /* | |
6fe891f6 | 28 | * IPP stands for Image Post Processing and |
cb471f14 EK |
29 | * supports image scaler/rotator and input/output DMA operations. |
30 | * using FIMC, GSC, Rotator, so on. | |
31 | * IPP is integration device driver of same attribute h/w | |
32 | */ | |
33 | ||
34 | /* | |
35 | * TODO | |
36 | * 1. expand command control id. | |
37 | * 2. integrate property and config. | |
38 | * 3. removed send_event id check routine. | |
39 | * 4. compare send_event id if needed. | |
40 | * 5. free subdrv_remove notifier callback list if needed. | |
41 | * 6. need to check subdrv_open about multi-open. | |
42 | * 7. need to power_on implement power and sysmmu ctrl. | |
43 | */ | |
44 | ||
45 | #define get_ipp_context(dev) platform_get_drvdata(to_platform_device(dev)) | |
46 | #define ipp_is_m2m_cmd(c) (c == IPP_CMD_M2M) | |
47 | ||
43f41900 SWK |
48 | /* platform device pointer for ipp device. */ |
49 | static struct platform_device *exynos_drm_ipp_pdev; | |
50 | ||
cb471f14 EK |
51 | /* |
52 | * A structure of event. | |
53 | * | |
54 | * @base: base of event. | |
55 | * @event: ipp event. | |
56 | */ | |
57 | struct drm_exynos_ipp_send_event { | |
58 | struct drm_pending_event base; | |
59 | struct drm_exynos_ipp_event event; | |
60 | }; | |
61 | ||
62 | /* | |
63 | * A structure of memory node. | |
64 | * | |
65 | * @list: list head to memory queue information. | |
66 | * @ops_id: id of operations. | |
67 | * @prop_id: id of property. | |
68 | * @buf_id: id of buffer. | |
69 | * @buf_info: gem objects and dma address, size. | |
70 | * @filp: a pointer to drm_file. | |
71 | */ | |
72 | struct drm_exynos_ipp_mem_node { | |
73 | struct list_head list; | |
74 | enum drm_exynos_ops_id ops_id; | |
75 | u32 prop_id; | |
76 | u32 buf_id; | |
77 | struct drm_exynos_ipp_buf_info buf_info; | |
78 | struct drm_file *filp; | |
79 | }; | |
80 | ||
81 | /* | |
82 | * A structure of ipp context. | |
83 | * | |
84 | * @subdrv: prepare initialization using subdrv. | |
85 | * @ipp_lock: lock for synchronization of access to ipp_idr. | |
86 | * @prop_lock: lock for synchronization of access to prop_idr. | |
87 | * @ipp_idr: ipp driver idr. | |
88 | * @prop_idr: property idr. | |
89 | * @event_workq: event work queue. | |
90 | * @cmd_workq: command work queue. | |
91 | */ | |
92 | struct ipp_context { | |
93 | struct exynos_drm_subdrv subdrv; | |
94 | struct mutex ipp_lock; | |
95 | struct mutex prop_lock; | |
96 | struct idr ipp_idr; | |
97 | struct idr prop_idr; | |
98 | struct workqueue_struct *event_workq; | |
99 | struct workqueue_struct *cmd_workq; | |
100 | }; | |
101 | ||
102 | static LIST_HEAD(exynos_drm_ippdrv_list); | |
103 | static DEFINE_MUTEX(exynos_drm_ippdrv_lock); | |
104 | static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list); | |
105 | ||
43f41900 SWK |
106 | int exynos_platform_device_ipp_register(void) |
107 | { | |
108 | struct platform_device *pdev; | |
109 | ||
110 | if (exynos_drm_ipp_pdev) | |
111 | return -EEXIST; | |
112 | ||
113 | pdev = platform_device_register_simple("exynos-drm-ipp", -1, NULL, 0); | |
114 | if (IS_ERR(pdev)) | |
115 | return PTR_ERR(pdev); | |
116 | ||
117 | exynos_drm_ipp_pdev = pdev; | |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
122 | void exynos_platform_device_ipp_unregister(void) | |
123 | { | |
124 | if (exynos_drm_ipp_pdev) { | |
125 | platform_device_unregister(exynos_drm_ipp_pdev); | |
126 | exynos_drm_ipp_pdev = NULL; | |
127 | } | |
128 | } | |
129 | ||
cb471f14 EK |
130 | int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) |
131 | { | |
cb471f14 EK |
132 | if (!ippdrv) |
133 | return -EINVAL; | |
134 | ||
135 | mutex_lock(&exynos_drm_ippdrv_lock); | |
136 | list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list); | |
137 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
142 | int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv) | |
143 | { | |
cb471f14 EK |
144 | if (!ippdrv) |
145 | return -EINVAL; | |
146 | ||
147 | mutex_lock(&exynos_drm_ippdrv_lock); | |
148 | list_del(&ippdrv->drv_list); | |
149 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj, | |
155 | u32 *idp) | |
156 | { | |
157 | int ret; | |
158 | ||
cb471f14 EK |
159 | /* do the allocation under our mutexlock */ |
160 | mutex_lock(lock); | |
8550cb2e | 161 | ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL); |
cb471f14 | 162 | mutex_unlock(lock); |
8550cb2e TH |
163 | if (ret < 0) |
164 | return ret; | |
cb471f14 | 165 | |
8550cb2e TH |
166 | *idp = ret; |
167 | return 0; | |
cb471f14 EK |
168 | } |
169 | ||
075436b0 YC |
170 | static void ipp_remove_id(struct idr *id_idr, struct mutex *lock, u32 id) |
171 | { | |
172 | mutex_lock(lock); | |
173 | idr_remove(id_idr, id); | |
174 | mutex_unlock(lock); | |
175 | } | |
176 | ||
cb471f14 EK |
177 | static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id) |
178 | { | |
179 | void *obj; | |
180 | ||
cbc4c33d | 181 | DRM_DEBUG_KMS("id[%d]\n", id); |
cb471f14 EK |
182 | |
183 | mutex_lock(lock); | |
184 | ||
185 | /* find object using handle */ | |
186 | obj = idr_find(id_idr, id); | |
187 | if (!obj) { | |
188 | DRM_ERROR("failed to find object.\n"); | |
189 | mutex_unlock(lock); | |
190 | return ERR_PTR(-ENODEV); | |
191 | } | |
192 | ||
193 | mutex_unlock(lock); | |
194 | ||
195 | return obj; | |
196 | } | |
197 | ||
198 | static inline bool ipp_check_dedicated(struct exynos_drm_ippdrv *ippdrv, | |
199 | enum drm_exynos_ipp_cmd cmd) | |
200 | { | |
201 | /* | |
202 | * check dedicated flag and WB, OUTPUT operation with | |
203 | * power on state. | |
204 | */ | |
205 | if (ippdrv->dedicated || (!ipp_is_m2m_cmd(cmd) && | |
206 | !pm_runtime_suspended(ippdrv->dev))) | |
207 | return true; | |
208 | ||
209 | return false; | |
210 | } | |
211 | ||
212 | static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx, | |
213 | struct drm_exynos_ipp_property *property) | |
214 | { | |
215 | struct exynos_drm_ippdrv *ippdrv; | |
216 | u32 ipp_id = property->ipp_id; | |
217 | ||
cbc4c33d | 218 | DRM_DEBUG_KMS("ipp_id[%d]\n", ipp_id); |
cb471f14 EK |
219 | |
220 | if (ipp_id) { | |
221 | /* find ipp driver using idr */ | |
222 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
223 | ipp_id); | |
f0250458 | 224 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
225 | DRM_ERROR("not found ipp%d driver.\n", ipp_id); |
226 | return ippdrv; | |
227 | } | |
228 | ||
229 | /* | |
230 | * WB, OUTPUT opertion not supported multi-operation. | |
231 | * so, make dedicated state at set property ioctl. | |
232 | * when ipp driver finished operations, clear dedicated flags. | |
233 | */ | |
234 | if (ipp_check_dedicated(ippdrv, property->cmd)) { | |
235 | DRM_ERROR("already used choose device.\n"); | |
236 | return ERR_PTR(-EBUSY); | |
237 | } | |
238 | ||
239 | /* | |
240 | * This is necessary to find correct device in ipp drivers. | |
241 | * ipp drivers have different abilities, | |
242 | * so need to check property. | |
243 | */ | |
244 | if (ippdrv->check_property && | |
245 | ippdrv->check_property(ippdrv->dev, property)) { | |
246 | DRM_ERROR("not support property.\n"); | |
247 | return ERR_PTR(-EINVAL); | |
248 | } | |
249 | ||
250 | return ippdrv; | |
251 | } else { | |
252 | /* | |
253 | * This case is search all ipp driver for finding. | |
254 | * user application don't set ipp_id in this case, | |
255 | * so ipp subsystem search correct driver in driver list. | |
256 | */ | |
257 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
258 | if (ipp_check_dedicated(ippdrv, property->cmd)) { | |
cbc4c33d | 259 | DRM_DEBUG_KMS("used device.\n"); |
cb471f14 EK |
260 | continue; |
261 | } | |
262 | ||
263 | if (ippdrv->check_property && | |
264 | ippdrv->check_property(ippdrv->dev, property)) { | |
cbc4c33d | 265 | DRM_DEBUG_KMS("not support property.\n"); |
cb471f14 EK |
266 | continue; |
267 | } | |
268 | ||
269 | return ippdrv; | |
270 | } | |
271 | ||
272 | DRM_ERROR("not support ipp driver operations.\n"); | |
273 | } | |
274 | ||
275 | return ERR_PTR(-ENODEV); | |
276 | } | |
277 | ||
278 | static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id) | |
279 | { | |
280 | struct exynos_drm_ippdrv *ippdrv; | |
281 | struct drm_exynos_ipp_cmd_node *c_node; | |
282 | int count = 0; | |
283 | ||
cbc4c33d | 284 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 | 285 | |
cb471f14 EK |
286 | /* |
287 | * This case is search ipp driver by prop_id handle. | |
288 | * sometimes, ipp subsystem find driver by prop_id. | |
9fca9acf | 289 | * e.g PAUSE state, queue buf, command control. |
cb471f14 EK |
290 | */ |
291 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
cbc4c33d | 292 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", count++, (int)ippdrv); |
cb471f14 | 293 | |
7f5af059 YC |
294 | mutex_lock(&ippdrv->cmd_lock); |
295 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { | |
296 | if (c_node->property.prop_id == prop_id) { | |
297 | mutex_unlock(&ippdrv->cmd_lock); | |
c66ce40b | 298 | return ippdrv; |
7f5af059 | 299 | } |
cb471f14 | 300 | } |
7f5af059 | 301 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
302 | } |
303 | ||
304 | return ERR_PTR(-ENODEV); | |
305 | } | |
306 | ||
307 | int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, | |
308 | struct drm_file *file) | |
309 | { | |
310 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 311 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
312 | struct ipp_context *ctx = get_ipp_context(dev); |
313 | struct drm_exynos_ipp_prop_list *prop_list = data; | |
314 | struct exynos_drm_ippdrv *ippdrv; | |
315 | int count = 0; | |
316 | ||
cb471f14 EK |
317 | if (!ctx) { |
318 | DRM_ERROR("invalid context.\n"); | |
319 | return -EINVAL; | |
320 | } | |
321 | ||
322 | if (!prop_list) { | |
323 | DRM_ERROR("invalid property parameter.\n"); | |
324 | return -EINVAL; | |
325 | } | |
326 | ||
cbc4c33d | 327 | DRM_DEBUG_KMS("ipp_id[%d]\n", prop_list->ipp_id); |
cb471f14 EK |
328 | |
329 | if (!prop_list->ipp_id) { | |
330 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) | |
331 | count++; | |
7f5af059 | 332 | |
cb471f14 EK |
333 | /* |
334 | * Supports ippdrv list count for user application. | |
335 | * First step user application getting ippdrv count. | |
336 | * and second step getting ippdrv capability using ipp_id. | |
337 | */ | |
338 | prop_list->count = count; | |
339 | } else { | |
340 | /* | |
341 | * Getting ippdrv capability by ipp_id. | |
c6b78bc8 | 342 | * some device not supported wb, output interface. |
cb471f14 EK |
343 | * so, user application detect correct ipp driver |
344 | * using this ioctl. | |
345 | */ | |
346 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
347 | prop_list->ipp_id); | |
be348790 | 348 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
349 | DRM_ERROR("not found ipp%d driver.\n", |
350 | prop_list->ipp_id); | |
be348790 | 351 | return PTR_ERR(ippdrv); |
cb471f14 EK |
352 | } |
353 | ||
31646054 | 354 | *prop_list = ippdrv->prop_list; |
cb471f14 EK |
355 | } |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
360 | static void ipp_print_property(struct drm_exynos_ipp_property *property, | |
361 | int idx) | |
362 | { | |
363 | struct drm_exynos_ipp_config *config = &property->config[idx]; | |
364 | struct drm_exynos_pos *pos = &config->pos; | |
365 | struct drm_exynos_sz *sz = &config->sz; | |
366 | ||
cbc4c33d YC |
367 | DRM_DEBUG_KMS("prop_id[%d]ops[%s]fmt[0x%x]\n", |
368 | property->prop_id, idx ? "dst" : "src", config->fmt); | |
cb471f14 | 369 | |
cbc4c33d YC |
370 | DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n", |
371 | pos->x, pos->y, pos->w, pos->h, | |
cb471f14 EK |
372 | sz->hsize, sz->vsize, config->flip, config->degree); |
373 | } | |
374 | ||
375 | static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property) | |
376 | { | |
377 | struct exynos_drm_ippdrv *ippdrv; | |
378 | struct drm_exynos_ipp_cmd_node *c_node; | |
379 | u32 prop_id = property->prop_id; | |
380 | ||
cbc4c33d | 381 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 EK |
382 | |
383 | ippdrv = ipp_find_drv_by_handle(prop_id); | |
f0250458 | 384 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
385 | DRM_ERROR("failed to get ipp driver.\n"); |
386 | return -EINVAL; | |
387 | } | |
388 | ||
389 | /* | |
390 | * Find command node using command list in ippdrv. | |
391 | * when we find this command no using prop_id. | |
392 | * return property information set in this command node. | |
393 | */ | |
7f5af059 | 394 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
395 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { |
396 | if ((c_node->property.prop_id == prop_id) && | |
397 | (c_node->state == IPP_STATE_STOP)) { | |
7f5af059 | 398 | mutex_unlock(&ippdrv->cmd_lock); |
cbc4c33d YC |
399 | DRM_DEBUG_KMS("found cmd[%d]ippdrv[0x%x]\n", |
400 | property->cmd, (int)ippdrv); | |
cb471f14 EK |
401 | |
402 | c_node->property = *property; | |
403 | return 0; | |
404 | } | |
405 | } | |
7f5af059 | 406 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
407 | |
408 | DRM_ERROR("failed to search property.\n"); | |
409 | ||
410 | return -EINVAL; | |
411 | } | |
412 | ||
413 | static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) | |
414 | { | |
415 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
416 | ||
cb471f14 | 417 | cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); |
38bb5253 | 418 | if (!cmd_work) |
cb471f14 | 419 | return ERR_PTR(-ENOMEM); |
cb471f14 EK |
420 | |
421 | INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); | |
422 | ||
423 | return cmd_work; | |
424 | } | |
425 | ||
426 | static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) | |
427 | { | |
428 | struct drm_exynos_ipp_event_work *event_work; | |
429 | ||
cb471f14 | 430 | event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); |
38bb5253 | 431 | if (!event_work) |
cb471f14 | 432 | return ERR_PTR(-ENOMEM); |
cb471f14 | 433 | |
60b61c2f | 434 | INIT_WORK(&event_work->work, ipp_sched_event); |
cb471f14 EK |
435 | |
436 | return event_work; | |
437 | } | |
438 | ||
439 | int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, | |
440 | struct drm_file *file) | |
441 | { | |
442 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 443 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
444 | struct ipp_context *ctx = get_ipp_context(dev); |
445 | struct drm_exynos_ipp_property *property = data; | |
446 | struct exynos_drm_ippdrv *ippdrv; | |
447 | struct drm_exynos_ipp_cmd_node *c_node; | |
448 | int ret, i; | |
449 | ||
cb471f14 EK |
450 | if (!ctx) { |
451 | DRM_ERROR("invalid context.\n"); | |
452 | return -EINVAL; | |
453 | } | |
454 | ||
455 | if (!property) { | |
456 | DRM_ERROR("invalid property parameter.\n"); | |
457 | return -EINVAL; | |
458 | } | |
459 | ||
460 | /* | |
461 | * This is log print for user application property. | |
462 | * user application set various property. | |
463 | */ | |
464 | for_each_ipp_ops(i) | |
465 | ipp_print_property(property, i); | |
466 | ||
467 | /* | |
468 | * set property ioctl generated new prop_id. | |
469 | * but in this case already asigned prop_id using old set property. | |
470 | * e.g PAUSE state. this case supports find current prop_id and use it | |
471 | * instead of allocation. | |
472 | */ | |
473 | if (property->prop_id) { | |
cbc4c33d | 474 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
475 | return ipp_find_and_set_property(property); |
476 | } | |
477 | ||
478 | /* find ipp driver using ipp id */ | |
479 | ippdrv = ipp_find_driver(ctx, property); | |
f0250458 | 480 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
481 | DRM_ERROR("failed to get ipp driver.\n"); |
482 | return -EINVAL; | |
483 | } | |
484 | ||
485 | /* allocate command node */ | |
486 | c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); | |
38bb5253 | 487 | if (!c_node) |
cb471f14 | 488 | return -ENOMEM; |
cb471f14 EK |
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 */ | |
5c76c5b1 | 502 | c_node->dev = dev; |
cb471f14 EK |
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 | 508 | DRM_ERROR("failed to create start work.\n"); |
075436b0 | 509 | goto err_remove_id; |
cb471f14 EK |
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 | ||
4e4fe554 | 524 | mutex_init(&c_node->lock); |
cb471f14 EK |
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); | |
7f5af059 | 535 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 | 536 | list_add_tail(&c_node->list, &ippdrv->cmd_list); |
7f5af059 | 537 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
538 | |
539 | /* make dedicated state without m2m */ | |
540 | if (!ipp_is_m2m_cmd(property->cmd)) | |
541 | ippdrv->dedicated = true; | |
542 | ||
543 | return 0; | |
544 | ||
545 | err_free_stop: | |
546 | kfree(c_node->stop_work); | |
547 | err_free_start: | |
548 | kfree(c_node->start_work); | |
075436b0 YC |
549 | err_remove_id: |
550 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, property->prop_id); | |
cb471f14 EK |
551 | err_clear: |
552 | kfree(c_node); | |
553 | return ret; | |
554 | } | |
555 | ||
075436b0 YC |
556 | static void ipp_clean_cmd_node(struct ipp_context *ctx, |
557 | struct drm_exynos_ipp_cmd_node *c_node) | |
cb471f14 | 558 | { |
cb471f14 EK |
559 | /* delete list */ |
560 | list_del(&c_node->list); | |
561 | ||
075436b0 YC |
562 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, |
563 | c_node->property.prop_id); | |
564 | ||
cb471f14 | 565 | /* destroy mutex */ |
4e4fe554 | 566 | mutex_destroy(&c_node->lock); |
cb471f14 EK |
567 | mutex_destroy(&c_node->mem_lock); |
568 | mutex_destroy(&c_node->event_lock); | |
569 | ||
570 | /* free command node */ | |
571 | kfree(c_node->start_work); | |
572 | kfree(c_node->stop_work); | |
573 | kfree(c_node->event_work); | |
574 | kfree(c_node); | |
575 | } | |
576 | ||
fb5ee01c | 577 | static bool ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node) |
cb471f14 | 578 | { |
fb5ee01c AH |
579 | switch (c_node->property.cmd) { |
580 | case IPP_CMD_WB: | |
581 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
582 | case IPP_CMD_OUTPUT: | |
583 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]); | |
584 | case IPP_CMD_M2M: | |
585 | default: | |
586 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]) && | |
587 | !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
cb471f14 | 588 | } |
cb471f14 EK |
589 | } |
590 | ||
591 | static struct drm_exynos_ipp_mem_node | |
592 | *ipp_find_mem_node(struct drm_exynos_ipp_cmd_node *c_node, | |
593 | struct drm_exynos_ipp_queue_buf *qbuf) | |
594 | { | |
595 | struct drm_exynos_ipp_mem_node *m_node; | |
596 | struct list_head *head; | |
597 | int count = 0; | |
598 | ||
cbc4c33d | 599 | DRM_DEBUG_KMS("buf_id[%d]\n", qbuf->buf_id); |
cb471f14 EK |
600 | |
601 | /* source/destination memory list */ | |
602 | head = &c_node->mem_list[qbuf->ops_id]; | |
603 | ||
604 | /* find memory node from memory list */ | |
605 | list_for_each_entry(m_node, head, list) { | |
cbc4c33d | 606 | DRM_DEBUG_KMS("count[%d]m_node[0x%x]\n", count++, (int)m_node); |
cb471f14 EK |
607 | |
608 | /* compare buffer id */ | |
609 | if (m_node->buf_id == qbuf->buf_id) | |
610 | return m_node; | |
611 | } | |
612 | ||
613 | return NULL; | |
614 | } | |
615 | ||
616 | static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, | |
617 | struct drm_exynos_ipp_cmd_node *c_node, | |
618 | struct drm_exynos_ipp_mem_node *m_node) | |
619 | { | |
620 | struct exynos_drm_ipp_ops *ops = NULL; | |
621 | int ret = 0; | |
622 | ||
cbc4c33d | 623 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
624 | |
625 | if (!m_node) { | |
626 | DRM_ERROR("invalid queue node.\n"); | |
627 | return -EFAULT; | |
628 | } | |
629 | ||
cbc4c33d | 630 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
631 | |
632 | /* get operations callback */ | |
633 | ops = ippdrv->ops[m_node->ops_id]; | |
634 | if (!ops) { | |
635 | DRM_ERROR("not support ops.\n"); | |
220db6fe | 636 | return -EFAULT; |
cb471f14 EK |
637 | } |
638 | ||
639 | /* set address and enable irq */ | |
640 | if (ops->set_addr) { | |
641 | ret = ops->set_addr(ippdrv->dev, &m_node->buf_info, | |
642 | m_node->buf_id, IPP_BUF_ENQUEUE); | |
643 | if (ret) { | |
644 | DRM_ERROR("failed to set addr.\n"); | |
220db6fe | 645 | return ret; |
cb471f14 EK |
646 | } |
647 | } | |
648 | ||
cb471f14 EK |
649 | return ret; |
650 | } | |
651 | ||
652 | static struct drm_exynos_ipp_mem_node | |
653 | *ipp_get_mem_node(struct drm_device *drm_dev, | |
654 | struct drm_file *file, | |
655 | struct drm_exynos_ipp_cmd_node *c_node, | |
656 | struct drm_exynos_ipp_queue_buf *qbuf) | |
657 | { | |
658 | struct drm_exynos_ipp_mem_node *m_node; | |
73b00232 | 659 | struct drm_exynos_ipp_buf_info *buf_info; |
cb471f14 EK |
660 | int i; |
661 | ||
cb471f14 | 662 | m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); |
38bb5253 | 663 | if (!m_node) |
220db6fe | 664 | return ERR_PTR(-ENOMEM); |
cb471f14 | 665 | |
73b00232 | 666 | buf_info = &m_node->buf_info; |
cb471f14 EK |
667 | |
668 | /* operations, buffer id */ | |
669 | m_node->ops_id = qbuf->ops_id; | |
670 | m_node->prop_id = qbuf->prop_id; | |
671 | m_node->buf_id = qbuf->buf_id; | |
672 | ||
cbc4c33d YC |
673 | DRM_DEBUG_KMS("m_node[0x%x]ops_id[%d]\n", (int)m_node, qbuf->ops_id); |
674 | DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); | |
cb471f14 EK |
675 | |
676 | for_each_ipp_planar(i) { | |
cbc4c33d | 677 | DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]); |
cb471f14 EK |
678 | |
679 | /* get dma address by handle */ | |
680 | if (qbuf->handle[i]) { | |
a8ea17f6 AH |
681 | dma_addr_t *addr; |
682 | ||
cb471f14 EK |
683 | addr = exynos_drm_gem_get_dma_addr(drm_dev, |
684 | qbuf->handle[i], file); | |
685 | if (IS_ERR(addr)) { | |
686 | DRM_ERROR("failed to get addr.\n"); | |
687 | goto err_clear; | |
688 | } | |
689 | ||
73b00232 AH |
690 | buf_info->handles[i] = qbuf->handle[i]; |
691 | buf_info->base[i] = *addr; | |
692 | DRM_DEBUG_KMS("i[%d]base[0x%x]hd[0x%lx]\n", i, | |
693 | buf_info->base[i], buf_info->handles[i]); | |
cb471f14 EK |
694 | } |
695 | } | |
696 | ||
697 | m_node->filp = file; | |
220db6fe | 698 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 699 | list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]); |
cb471f14 | 700 | mutex_unlock(&c_node->mem_lock); |
220db6fe | 701 | |
cb471f14 EK |
702 | return m_node; |
703 | ||
704 | err_clear: | |
705 | kfree(m_node); | |
cb471f14 EK |
706 | return ERR_PTR(-EFAULT); |
707 | } | |
708 | ||
709 | static int ipp_put_mem_node(struct drm_device *drm_dev, | |
710 | struct drm_exynos_ipp_cmd_node *c_node, | |
711 | struct drm_exynos_ipp_mem_node *m_node) | |
712 | { | |
713 | int i; | |
714 | ||
cbc4c33d | 715 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
716 | |
717 | if (!m_node) { | |
718 | DRM_ERROR("invalid dequeue node.\n"); | |
719 | return -EFAULT; | |
720 | } | |
721 | ||
cbc4c33d | 722 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
723 | |
724 | /* put gem buffer */ | |
725 | for_each_ipp_planar(i) { | |
726 | unsigned long handle = m_node->buf_info.handles[i]; | |
727 | if (handle) | |
728 | exynos_drm_gem_put_dma_addr(drm_dev, handle, | |
729 | m_node->filp); | |
730 | } | |
731 | ||
732 | /* delete list in queue */ | |
733 | list_del(&m_node->list); | |
734 | kfree(m_node); | |
735 | ||
cb471f14 EK |
736 | return 0; |
737 | } | |
738 | ||
739 | static void ipp_free_event(struct drm_pending_event *event) | |
740 | { | |
741 | kfree(event); | |
742 | } | |
743 | ||
744 | static int ipp_get_event(struct drm_device *drm_dev, | |
745 | struct drm_file *file, | |
746 | struct drm_exynos_ipp_cmd_node *c_node, | |
747 | struct drm_exynos_ipp_queue_buf *qbuf) | |
748 | { | |
749 | struct drm_exynos_ipp_send_event *e; | |
750 | unsigned long flags; | |
751 | ||
cbc4c33d | 752 | DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id); |
cb471f14 EK |
753 | |
754 | e = kzalloc(sizeof(*e), GFP_KERNEL); | |
cb471f14 | 755 | if (!e) { |
cb471f14 EK |
756 | spin_lock_irqsave(&drm_dev->event_lock, flags); |
757 | file->event_space += sizeof(e->event); | |
758 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
759 | return -ENOMEM; | |
760 | } | |
761 | ||
762 | /* make event */ | |
763 | e->event.base.type = DRM_EXYNOS_IPP_EVENT; | |
764 | e->event.base.length = sizeof(e->event); | |
765 | e->event.user_data = qbuf->user_data; | |
766 | e->event.prop_id = qbuf->prop_id; | |
767 | e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id; | |
768 | e->base.event = &e->event.base; | |
769 | e->base.file_priv = file; | |
770 | e->base.destroy = ipp_free_event; | |
4d520767 | 771 | mutex_lock(&c_node->event_lock); |
cb471f14 | 772 | list_add_tail(&e->base.link, &c_node->event_list); |
4d520767 | 773 | mutex_unlock(&c_node->event_lock); |
cb471f14 EK |
774 | |
775 | return 0; | |
776 | } | |
777 | ||
778 | static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, | |
779 | struct drm_exynos_ipp_queue_buf *qbuf) | |
780 | { | |
781 | struct drm_exynos_ipp_send_event *e, *te; | |
782 | int count = 0; | |
783 | ||
4d520767 | 784 | mutex_lock(&c_node->event_lock); |
cb471f14 | 785 | list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { |
cbc4c33d | 786 | DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); |
cb471f14 EK |
787 | |
788 | /* | |
4fe25b82 | 789 | * qbuf == NULL condition means all event deletion. |
cb471f14 EK |
790 | * stop operations want to delete all event list. |
791 | * another case delete only same buf id. | |
792 | */ | |
793 | if (!qbuf) { | |
794 | /* delete list */ | |
795 | list_del(&e->base.link); | |
796 | kfree(e); | |
797 | } | |
798 | ||
799 | /* compare buffer id */ | |
800 | if (qbuf && (qbuf->buf_id == | |
801 | e->event.buf_id[EXYNOS_DRM_OPS_DST])) { | |
802 | /* delete list */ | |
803 | list_del(&e->base.link); | |
804 | kfree(e); | |
4d520767 | 805 | goto out_unlock; |
cb471f14 EK |
806 | } |
807 | } | |
4d520767 YC |
808 | |
809 | out_unlock: | |
810 | mutex_unlock(&c_node->event_lock); | |
811 | return; | |
cb471f14 EK |
812 | } |
813 | ||
0bc4a0aa | 814 | static void ipp_handle_cmd_work(struct device *dev, |
cb471f14 EK |
815 | struct exynos_drm_ippdrv *ippdrv, |
816 | struct drm_exynos_ipp_cmd_work *cmd_work, | |
817 | struct drm_exynos_ipp_cmd_node *c_node) | |
818 | { | |
819 | struct ipp_context *ctx = get_ipp_context(dev); | |
820 | ||
821 | cmd_work->ippdrv = ippdrv; | |
822 | cmd_work->c_node = c_node; | |
823 | queue_work(ctx->cmd_workq, (struct work_struct *)cmd_work); | |
824 | } | |
825 | ||
826 | static int ipp_queue_buf_with_run(struct device *dev, | |
827 | struct drm_exynos_ipp_cmd_node *c_node, | |
828 | struct drm_exynos_ipp_mem_node *m_node, | |
829 | struct drm_exynos_ipp_queue_buf *qbuf) | |
830 | { | |
831 | struct exynos_drm_ippdrv *ippdrv; | |
832 | struct drm_exynos_ipp_property *property; | |
833 | struct exynos_drm_ipp_ops *ops; | |
834 | int ret; | |
835 | ||
cb471f14 | 836 | ippdrv = ipp_find_drv_by_handle(qbuf->prop_id); |
f0250458 | 837 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
838 | DRM_ERROR("failed to get ipp driver.\n"); |
839 | return -EFAULT; | |
840 | } | |
841 | ||
842 | ops = ippdrv->ops[qbuf->ops_id]; | |
843 | if (!ops) { | |
844 | DRM_ERROR("failed to get ops.\n"); | |
845 | return -EFAULT; | |
846 | } | |
847 | ||
848 | property = &c_node->property; | |
849 | ||
850 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d | 851 | DRM_DEBUG_KMS("bypass for invalid state.\n"); |
cb471f14 EK |
852 | return 0; |
853 | } | |
854 | ||
220db6fe | 855 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 856 | if (!ipp_check_mem_list(c_node)) { |
220db6fe | 857 | mutex_unlock(&c_node->mem_lock); |
cbc4c33d | 858 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
859 | return 0; |
860 | } | |
861 | ||
862 | /* | |
863 | * If set destination buffer and enabled clock, | |
864 | * then m2m operations need start operations at queue_buf | |
865 | */ | |
866 | if (ipp_is_m2m_cmd(property->cmd)) { | |
867 | struct drm_exynos_ipp_cmd_work *cmd_work = c_node->start_work; | |
868 | ||
869 | cmd_work->ctrl = IPP_CTRL_PLAY; | |
870 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
871 | } else { | |
872 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
873 | if (ret) { | |
220db6fe | 874 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
875 | DRM_ERROR("failed to set m node.\n"); |
876 | return ret; | |
877 | } | |
878 | } | |
220db6fe | 879 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
880 | |
881 | return 0; | |
882 | } | |
883 | ||
884 | static void ipp_clean_queue_buf(struct drm_device *drm_dev, | |
885 | struct drm_exynos_ipp_cmd_node *c_node, | |
886 | struct drm_exynos_ipp_queue_buf *qbuf) | |
887 | { | |
888 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
889 | ||
c66ce40b | 890 | /* delete list */ |
220db6fe | 891 | mutex_lock(&c_node->mem_lock); |
c66ce40b YC |
892 | list_for_each_entry_safe(m_node, tm_node, |
893 | &c_node->mem_list[qbuf->ops_id], list) { | |
894 | if (m_node->buf_id == qbuf->buf_id && | |
895 | m_node->ops_id == qbuf->ops_id) | |
896 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
cb471f14 | 897 | } |
220db6fe | 898 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
899 | } |
900 | ||
901 | int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, | |
902 | struct drm_file *file) | |
903 | { | |
904 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 905 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
906 | struct ipp_context *ctx = get_ipp_context(dev); |
907 | struct drm_exynos_ipp_queue_buf *qbuf = data; | |
908 | struct drm_exynos_ipp_cmd_node *c_node; | |
909 | struct drm_exynos_ipp_mem_node *m_node; | |
910 | int ret; | |
911 | ||
cb471f14 EK |
912 | if (!qbuf) { |
913 | DRM_ERROR("invalid buf parameter.\n"); | |
914 | return -EINVAL; | |
915 | } | |
916 | ||
917 | if (qbuf->ops_id >= EXYNOS_DRM_OPS_MAX) { | |
918 | DRM_ERROR("invalid ops parameter.\n"); | |
919 | return -EINVAL; | |
920 | } | |
921 | ||
cbc4c33d YC |
922 | DRM_DEBUG_KMS("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n", |
923 | qbuf->prop_id, qbuf->ops_id ? "dst" : "src", | |
cb471f14 EK |
924 | qbuf->buf_id, qbuf->buf_type); |
925 | ||
926 | /* find command node */ | |
927 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
928 | qbuf->prop_id); | |
be348790 | 929 | if (IS_ERR(c_node)) { |
cb471f14 | 930 | DRM_ERROR("failed to get command node.\n"); |
be348790 | 931 | return PTR_ERR(c_node); |
cb471f14 EK |
932 | } |
933 | ||
934 | /* buffer control */ | |
935 | switch (qbuf->buf_type) { | |
936 | case IPP_BUF_ENQUEUE: | |
937 | /* get memory node */ | |
938 | m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf); | |
939 | if (IS_ERR(m_node)) { | |
940 | DRM_ERROR("failed to get m_node.\n"); | |
941 | return PTR_ERR(m_node); | |
942 | } | |
943 | ||
944 | /* | |
945 | * first step get event for destination buffer. | |
946 | * and second step when M2M case run with destination buffer | |
947 | * if needed. | |
948 | */ | |
949 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) { | |
950 | /* get event for destination buffer */ | |
951 | ret = ipp_get_event(drm_dev, file, c_node, qbuf); | |
952 | if (ret) { | |
953 | DRM_ERROR("failed to get event.\n"); | |
954 | goto err_clean_node; | |
955 | } | |
956 | ||
957 | /* | |
958 | * M2M case run play control for streaming feature. | |
959 | * other case set address and waiting. | |
960 | */ | |
961 | ret = ipp_queue_buf_with_run(dev, c_node, m_node, qbuf); | |
962 | if (ret) { | |
963 | DRM_ERROR("failed to run command.\n"); | |
964 | goto err_clean_node; | |
965 | } | |
966 | } | |
967 | break; | |
968 | case IPP_BUF_DEQUEUE: | |
4e4fe554 | 969 | mutex_lock(&c_node->lock); |
cb471f14 EK |
970 | |
971 | /* put event for destination buffer */ | |
972 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) | |
973 | ipp_put_event(c_node, qbuf); | |
974 | ||
975 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
976 | ||
4e4fe554 | 977 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
978 | break; |
979 | default: | |
980 | DRM_ERROR("invalid buffer control.\n"); | |
981 | return -EINVAL; | |
982 | } | |
983 | ||
984 | return 0; | |
985 | ||
986 | err_clean_node: | |
987 | DRM_ERROR("clean memory nodes.\n"); | |
988 | ||
989 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
990 | return ret; | |
991 | } | |
992 | ||
993 | static bool exynos_drm_ipp_check_valid(struct device *dev, | |
994 | enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state) | |
995 | { | |
cb471f14 EK |
996 | if (ctrl != IPP_CTRL_PLAY) { |
997 | if (pm_runtime_suspended(dev)) { | |
998 | DRM_ERROR("pm:runtime_suspended.\n"); | |
999 | goto err_status; | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | switch (ctrl) { | |
1004 | case IPP_CTRL_PLAY: | |
1005 | if (state != IPP_STATE_IDLE) | |
1006 | goto err_status; | |
1007 | break; | |
1008 | case IPP_CTRL_STOP: | |
1009 | if (state == IPP_STATE_STOP) | |
1010 | goto err_status; | |
1011 | break; | |
1012 | case IPP_CTRL_PAUSE: | |
1013 | if (state != IPP_STATE_START) | |
1014 | goto err_status; | |
1015 | break; | |
1016 | case IPP_CTRL_RESUME: | |
1017 | if (state != IPP_STATE_STOP) | |
1018 | goto err_status; | |
1019 | break; | |
1020 | default: | |
1021 | DRM_ERROR("invalid state.\n"); | |
1022 | goto err_status; | |
cb471f14 EK |
1023 | } |
1024 | ||
1025 | return true; | |
1026 | ||
1027 | err_status: | |
1028 | DRM_ERROR("invalid status:ctrl[%d]state[%d]\n", ctrl, state); | |
1029 | return false; | |
1030 | } | |
1031 | ||
1032 | int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, | |
1033 | struct drm_file *file) | |
1034 | { | |
1035 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1036 | struct exynos_drm_ippdrv *ippdrv = NULL; |
5c76c5b1 | 1037 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
1038 | struct ipp_context *ctx = get_ipp_context(dev); |
1039 | struct drm_exynos_ipp_cmd_ctrl *cmd_ctrl = data; | |
1040 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
1041 | struct drm_exynos_ipp_cmd_node *c_node; | |
1042 | ||
cb471f14 EK |
1043 | if (!ctx) { |
1044 | DRM_ERROR("invalid context.\n"); | |
1045 | return -EINVAL; | |
1046 | } | |
1047 | ||
1048 | if (!cmd_ctrl) { | |
1049 | DRM_ERROR("invalid control parameter.\n"); | |
1050 | return -EINVAL; | |
1051 | } | |
1052 | ||
cbc4c33d | 1053 | DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1054 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1055 | ||
1056 | ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id); | |
1057 | if (IS_ERR(ippdrv)) { | |
1058 | DRM_ERROR("failed to get ipp driver.\n"); | |
1059 | return PTR_ERR(ippdrv); | |
1060 | } | |
1061 | ||
1062 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
1063 | cmd_ctrl->prop_id); | |
be348790 | 1064 | if (IS_ERR(c_node)) { |
cb471f14 | 1065 | DRM_ERROR("invalid command node list.\n"); |
be348790 | 1066 | return PTR_ERR(c_node); |
cb471f14 EK |
1067 | } |
1068 | ||
1069 | if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl, | |
1070 | c_node->state)) { | |
1071 | DRM_ERROR("invalid state.\n"); | |
1072 | return -EINVAL; | |
1073 | } | |
1074 | ||
1075 | switch (cmd_ctrl->ctrl) { | |
1076 | case IPP_CTRL_PLAY: | |
1077 | if (pm_runtime_suspended(ippdrv->dev)) | |
1078 | pm_runtime_get_sync(ippdrv->dev); | |
ebaf05c8 | 1079 | |
cb471f14 EK |
1080 | c_node->state = IPP_STATE_START; |
1081 | ||
1082 | cmd_work = c_node->start_work; | |
1083 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1084 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
cb471f14 EK |
1085 | break; |
1086 | case IPP_CTRL_STOP: | |
1087 | cmd_work = c_node->stop_work; | |
1088 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1089 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1090 | ||
1091 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1092 | msecs_to_jiffies(300))) { | |
1093 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1094 | c_node->property.prop_id); | |
1095 | } | |
1096 | ||
1097 | c_node->state = IPP_STATE_STOP; | |
1098 | ippdrv->dedicated = false; | |
7f5af059 | 1099 | mutex_lock(&ippdrv->cmd_lock); |
075436b0 | 1100 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1101 | |
1102 | if (list_empty(&ippdrv->cmd_list)) | |
1103 | pm_runtime_put_sync(ippdrv->dev); | |
7f5af059 | 1104 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1105 | break; |
1106 | case IPP_CTRL_PAUSE: | |
1107 | cmd_work = c_node->stop_work; | |
1108 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1109 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1110 | ||
1111 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1112 | msecs_to_jiffies(200))) { | |
1113 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1114 | c_node->property.prop_id); | |
1115 | } | |
1116 | ||
1117 | c_node->state = IPP_STATE_STOP; | |
1118 | break; | |
1119 | case IPP_CTRL_RESUME: | |
1120 | c_node->state = IPP_STATE_START; | |
1121 | cmd_work = c_node->start_work; | |
1122 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1123 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1124 | break; | |
1125 | default: | |
1126 | DRM_ERROR("could not support this state currently.\n"); | |
1127 | return -EINVAL; | |
1128 | } | |
1129 | ||
cbc4c33d | 1130 | DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1131 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | int exynos_drm_ippnb_register(struct notifier_block *nb) | |
1137 | { | |
1138 | return blocking_notifier_chain_register( | |
1139 | &exynos_drm_ippnb_list, nb); | |
1140 | } | |
1141 | ||
1142 | int exynos_drm_ippnb_unregister(struct notifier_block *nb) | |
1143 | { | |
1144 | return blocking_notifier_chain_unregister( | |
1145 | &exynos_drm_ippnb_list, nb); | |
1146 | } | |
1147 | ||
1148 | int exynos_drm_ippnb_send_event(unsigned long val, void *v) | |
1149 | { | |
1150 | return blocking_notifier_call_chain( | |
1151 | &exynos_drm_ippnb_list, val, v); | |
1152 | } | |
1153 | ||
1154 | static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv, | |
1155 | struct drm_exynos_ipp_property *property) | |
1156 | { | |
1157 | struct exynos_drm_ipp_ops *ops = NULL; | |
1158 | bool swap = false; | |
1159 | int ret, i; | |
1160 | ||
1161 | if (!property) { | |
1162 | DRM_ERROR("invalid property parameter.\n"); | |
1163 | return -EINVAL; | |
1164 | } | |
1165 | ||
cbc4c33d | 1166 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1167 | |
1168 | /* reset h/w block */ | |
1169 | if (ippdrv->reset && | |
1170 | ippdrv->reset(ippdrv->dev)) { | |
1171 | DRM_ERROR("failed to reset.\n"); | |
1172 | return -EINVAL; | |
1173 | } | |
1174 | ||
1175 | /* set source,destination operations */ | |
1176 | for_each_ipp_ops(i) { | |
1177 | struct drm_exynos_ipp_config *config = | |
1178 | &property->config[i]; | |
1179 | ||
1180 | ops = ippdrv->ops[i]; | |
1181 | if (!ops || !config) { | |
1182 | DRM_ERROR("not support ops and config.\n"); | |
1183 | return -EINVAL; | |
1184 | } | |
1185 | ||
1186 | /* set format */ | |
1187 | if (ops->set_fmt) { | |
1188 | ret = ops->set_fmt(ippdrv->dev, config->fmt); | |
1189 | if (ret) { | |
1190 | DRM_ERROR("not support format.\n"); | |
1191 | return ret; | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | /* set transform for rotation, flip */ | |
1196 | if (ops->set_transf) { | |
1197 | ret = ops->set_transf(ippdrv->dev, config->degree, | |
1198 | config->flip, &swap); | |
1199 | if (ret) { | |
1200 | DRM_ERROR("not support tranf.\n"); | |
1201 | return -EINVAL; | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | /* set size */ | |
1206 | if (ops->set_size) { | |
1207 | ret = ops->set_size(ippdrv->dev, swap, &config->pos, | |
1208 | &config->sz); | |
1209 | if (ret) { | |
1210 | DRM_ERROR("not support size.\n"); | |
1211 | return ret; | |
1212 | } | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, | |
1220 | struct drm_exynos_ipp_cmd_node *c_node) | |
1221 | { | |
1222 | struct drm_exynos_ipp_mem_node *m_node; | |
1223 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1224 | struct list_head *head; | |
1225 | int ret, i; | |
1226 | ||
cbc4c33d | 1227 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1228 | |
1229 | /* store command info in ippdrv */ | |
7259c3d6 | 1230 | ippdrv->c_node = c_node; |
cb471f14 | 1231 | |
220db6fe | 1232 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1233 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1234 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1235 | ret = -ENOMEM; |
1236 | goto err_unlock; | |
cb471f14 EK |
1237 | } |
1238 | ||
1239 | /* set current property in ippdrv */ | |
1240 | ret = ipp_set_property(ippdrv, property); | |
1241 | if (ret) { | |
1242 | DRM_ERROR("failed to set property.\n"); | |
7259c3d6 | 1243 | ippdrv->c_node = NULL; |
220db6fe | 1244 | goto err_unlock; |
cb471f14 EK |
1245 | } |
1246 | ||
1247 | /* check command */ | |
1248 | switch (property->cmd) { | |
1249 | case IPP_CMD_M2M: | |
1250 | for_each_ipp_ops(i) { | |
1251 | /* source/destination memory list */ | |
1252 | head = &c_node->mem_list[i]; | |
1253 | ||
1254 | m_node = list_first_entry(head, | |
1255 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 | 1256 | |
cbc4c33d | 1257 | DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node); |
cb471f14 EK |
1258 | |
1259 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1260 | if (ret) { | |
1261 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1262 | goto err_unlock; |
cb471f14 EK |
1263 | } |
1264 | } | |
1265 | break; | |
1266 | case IPP_CMD_WB: | |
1267 | /* destination memory list */ | |
1268 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1269 | ||
1270 | list_for_each_entry(m_node, head, list) { | |
1271 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1272 | if (ret) { | |
1273 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1274 | goto err_unlock; |
cb471f14 EK |
1275 | } |
1276 | } | |
1277 | break; | |
1278 | case IPP_CMD_OUTPUT: | |
1279 | /* source memory list */ | |
1280 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1281 | ||
1282 | list_for_each_entry(m_node, head, list) { | |
1283 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1284 | if (ret) { | |
1285 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1286 | goto err_unlock; |
cb471f14 EK |
1287 | } |
1288 | } | |
1289 | break; | |
1290 | default: | |
1291 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1292 | ret = -EINVAL; |
1293 | goto err_unlock; | |
cb471f14 | 1294 | } |
220db6fe | 1295 | mutex_unlock(&c_node->mem_lock); |
cb471f14 | 1296 | |
cbc4c33d | 1297 | DRM_DEBUG_KMS("cmd[%d]\n", property->cmd); |
cb471f14 EK |
1298 | |
1299 | /* start operations */ | |
1300 | if (ippdrv->start) { | |
1301 | ret = ippdrv->start(ippdrv->dev, property->cmd); | |
1302 | if (ret) { | |
1303 | DRM_ERROR("failed to start ops.\n"); | |
220db6fe | 1304 | ippdrv->c_node = NULL; |
cb471f14 EK |
1305 | return ret; |
1306 | } | |
1307 | } | |
1308 | ||
1309 | return 0; | |
220db6fe YC |
1310 | |
1311 | err_unlock: | |
1312 | mutex_unlock(&c_node->mem_lock); | |
1313 | ippdrv->c_node = NULL; | |
1314 | return ret; | |
cb471f14 EK |
1315 | } |
1316 | ||
1317 | static int ipp_stop_property(struct drm_device *drm_dev, | |
1318 | struct exynos_drm_ippdrv *ippdrv, | |
1319 | struct drm_exynos_ipp_cmd_node *c_node) | |
1320 | { | |
1321 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
1322 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1323 | struct list_head *head; | |
1324 | int ret = 0, i; | |
1325 | ||
cbc4c33d | 1326 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1327 | |
1328 | /* put event */ | |
1329 | ipp_put_event(c_node, NULL); | |
1330 | ||
220db6fe YC |
1331 | mutex_lock(&c_node->mem_lock); |
1332 | ||
cb471f14 EK |
1333 | /* check command */ |
1334 | switch (property->cmd) { | |
1335 | case IPP_CMD_M2M: | |
1336 | for_each_ipp_ops(i) { | |
1337 | /* source/destination memory list */ | |
1338 | head = &c_node->mem_list[i]; | |
1339 | ||
cb471f14 EK |
1340 | list_for_each_entry_safe(m_node, tm_node, |
1341 | head, list) { | |
1342 | ret = ipp_put_mem_node(drm_dev, c_node, | |
1343 | m_node); | |
1344 | if (ret) { | |
1345 | DRM_ERROR("failed to put m_node.\n"); | |
1346 | goto err_clear; | |
1347 | } | |
1348 | } | |
1349 | } | |
1350 | break; | |
1351 | case IPP_CMD_WB: | |
1352 | /* destination memory list */ | |
1353 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1354 | ||
cb471f14 EK |
1355 | list_for_each_entry_safe(m_node, tm_node, head, list) { |
1356 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1357 | if (ret) { | |
1358 | DRM_ERROR("failed to put m_node.\n"); | |
1359 | goto err_clear; | |
1360 | } | |
1361 | } | |
1362 | break; | |
1363 | case IPP_CMD_OUTPUT: | |
1364 | /* source memory list */ | |
1365 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1366 | ||
cb471f14 EK |
1367 | list_for_each_entry_safe(m_node, tm_node, head, list) { |
1368 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1369 | if (ret) { | |
1370 | DRM_ERROR("failed to put m_node.\n"); | |
1371 | goto err_clear; | |
1372 | } | |
1373 | } | |
1374 | break; | |
1375 | default: | |
1376 | DRM_ERROR("invalid operations.\n"); | |
1377 | ret = -EINVAL; | |
1378 | goto err_clear; | |
1379 | } | |
1380 | ||
1381 | err_clear: | |
220db6fe YC |
1382 | mutex_unlock(&c_node->mem_lock); |
1383 | ||
cb471f14 EK |
1384 | /* stop operations */ |
1385 | if (ippdrv->stop) | |
1386 | ippdrv->stop(ippdrv->dev, property->cmd); | |
1387 | ||
1388 | return ret; | |
1389 | } | |
1390 | ||
1391 | void ipp_sched_cmd(struct work_struct *work) | |
1392 | { | |
1393 | struct drm_exynos_ipp_cmd_work *cmd_work = | |
1394 | (struct drm_exynos_ipp_cmd_work *)work; | |
1395 | struct exynos_drm_ippdrv *ippdrv; | |
1396 | struct drm_exynos_ipp_cmd_node *c_node; | |
1397 | struct drm_exynos_ipp_property *property; | |
1398 | int ret; | |
1399 | ||
cb471f14 EK |
1400 | ippdrv = cmd_work->ippdrv; |
1401 | if (!ippdrv) { | |
1402 | DRM_ERROR("invalid ippdrv list.\n"); | |
1403 | return; | |
1404 | } | |
1405 | ||
1406 | c_node = cmd_work->c_node; | |
1407 | if (!c_node) { | |
1408 | DRM_ERROR("invalid command node list.\n"); | |
1409 | return; | |
1410 | } | |
1411 | ||
4e4fe554 | 1412 | mutex_lock(&c_node->lock); |
cb471f14 EK |
1413 | |
1414 | property = &c_node->property; | |
cb471f14 EK |
1415 | |
1416 | switch (cmd_work->ctrl) { | |
1417 | case IPP_CTRL_PLAY: | |
1418 | case IPP_CTRL_RESUME: | |
1419 | ret = ipp_start_property(ippdrv, c_node); | |
1420 | if (ret) { | |
1421 | DRM_ERROR("failed to start property:prop_id[%d]\n", | |
1422 | c_node->property.prop_id); | |
1423 | goto err_unlock; | |
1424 | } | |
1425 | ||
1426 | /* | |
1427 | * M2M case supports wait_completion of transfer. | |
1428 | * because M2M case supports single unit operation | |
1429 | * with multiple queue. | |
1430 | * M2M need to wait completion of data transfer. | |
1431 | */ | |
1432 | if (ipp_is_m2m_cmd(property->cmd)) { | |
1433 | if (!wait_for_completion_timeout | |
1434 | (&c_node->start_complete, msecs_to_jiffies(200))) { | |
1435 | DRM_ERROR("timeout event:prop_id[%d]\n", | |
1436 | c_node->property.prop_id); | |
1437 | goto err_unlock; | |
1438 | } | |
1439 | } | |
1440 | break; | |
1441 | case IPP_CTRL_STOP: | |
1442 | case IPP_CTRL_PAUSE: | |
1443 | ret = ipp_stop_property(ippdrv->drm_dev, ippdrv, | |
1444 | c_node); | |
1445 | if (ret) { | |
1446 | DRM_ERROR("failed to stop property.\n"); | |
1447 | goto err_unlock; | |
1448 | } | |
1449 | ||
1450 | complete(&c_node->stop_complete); | |
1451 | break; | |
1452 | default: | |
1453 | DRM_ERROR("unknown control type\n"); | |
1454 | break; | |
1455 | } | |
1456 | ||
cbc4c33d | 1457 | DRM_DEBUG_KMS("ctrl[%d] done.\n", cmd_work->ctrl); |
cb471f14 EK |
1458 | |
1459 | err_unlock: | |
4e4fe554 | 1460 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
1461 | } |
1462 | ||
1463 | static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv, | |
1464 | struct drm_exynos_ipp_cmd_node *c_node, int *buf_id) | |
1465 | { | |
1466 | struct drm_device *drm_dev = ippdrv->drm_dev; | |
1467 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1468 | struct drm_exynos_ipp_mem_node *m_node; | |
1469 | struct drm_exynos_ipp_queue_buf qbuf; | |
1470 | struct drm_exynos_ipp_send_event *e; | |
1471 | struct list_head *head; | |
1472 | struct timeval now; | |
1473 | unsigned long flags; | |
1474 | u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, }; | |
1475 | int ret, i; | |
1476 | ||
1477 | for_each_ipp_ops(i) | |
cbc4c33d | 1478 | DRM_DEBUG_KMS("%s buf_id[%d]\n", i ? "dst" : "src", buf_id[i]); |
cb471f14 EK |
1479 | |
1480 | if (!drm_dev) { | |
1481 | DRM_ERROR("failed to get drm_dev.\n"); | |
1482 | return -EINVAL; | |
1483 | } | |
1484 | ||
1485 | if (!property) { | |
1486 | DRM_ERROR("failed to get property.\n"); | |
1487 | return -EINVAL; | |
1488 | } | |
1489 | ||
4d520767 | 1490 | mutex_lock(&c_node->event_lock); |
cb471f14 | 1491 | if (list_empty(&c_node->event_list)) { |
cbc4c33d | 1492 | DRM_DEBUG_KMS("event list is empty.\n"); |
4d520767 YC |
1493 | ret = 0; |
1494 | goto err_event_unlock; | |
cb471f14 EK |
1495 | } |
1496 | ||
220db6fe | 1497 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1498 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1499 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1500 | ret = 0; |
1501 | goto err_mem_unlock; | |
cb471f14 EK |
1502 | } |
1503 | ||
1504 | /* check command */ | |
1505 | switch (property->cmd) { | |
1506 | case IPP_CMD_M2M: | |
1507 | for_each_ipp_ops(i) { | |
1508 | /* source/destination memory list */ | |
1509 | head = &c_node->mem_list[i]; | |
1510 | ||
1511 | m_node = list_first_entry(head, | |
1512 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1513 | |
1514 | tbuf_id[i] = m_node->buf_id; | |
cbc4c33d | 1515 | DRM_DEBUG_KMS("%s buf_id[%d]\n", |
cb471f14 EK |
1516 | i ? "dst" : "src", tbuf_id[i]); |
1517 | ||
1518 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1519 | if (ret) | |
1520 | DRM_ERROR("failed to put m_node.\n"); | |
1521 | } | |
1522 | break; | |
1523 | case IPP_CMD_WB: | |
1524 | /* clear buf for finding */ | |
1525 | memset(&qbuf, 0x0, sizeof(qbuf)); | |
1526 | qbuf.ops_id = EXYNOS_DRM_OPS_DST; | |
1527 | qbuf.buf_id = buf_id[EXYNOS_DRM_OPS_DST]; | |
1528 | ||
1529 | /* get memory node entry */ | |
1530 | m_node = ipp_find_mem_node(c_node, &qbuf); | |
1531 | if (!m_node) { | |
1532 | DRM_ERROR("empty memory node.\n"); | |
220db6fe YC |
1533 | ret = -ENOMEM; |
1534 | goto err_mem_unlock; | |
cb471f14 EK |
1535 | } |
1536 | ||
1537 | tbuf_id[EXYNOS_DRM_OPS_DST] = m_node->buf_id; | |
1538 | ||
1539 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1540 | if (ret) | |
1541 | DRM_ERROR("failed to put m_node.\n"); | |
1542 | break; | |
1543 | case IPP_CMD_OUTPUT: | |
1544 | /* source memory list */ | |
1545 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1546 | ||
1547 | m_node = list_first_entry(head, | |
1548 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1549 | |
1550 | tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id; | |
1551 | ||
1552 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1553 | if (ret) | |
1554 | DRM_ERROR("failed to put m_node.\n"); | |
1555 | break; | |
1556 | default: | |
1557 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1558 | ret = -EINVAL; |
1559 | goto err_mem_unlock; | |
cb471f14 | 1560 | } |
220db6fe | 1561 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
1562 | |
1563 | if (tbuf_id[EXYNOS_DRM_OPS_DST] != buf_id[EXYNOS_DRM_OPS_DST]) | |
1564 | DRM_ERROR("failed to match buf_id[%d %d]prop_id[%d]\n", | |
1565 | tbuf_id[1], buf_id[1], property->prop_id); | |
1566 | ||
1567 | /* | |
1568 | * command node have event list of destination buffer | |
1569 | * If destination buffer enqueue to mem list, | |
1570 | * then we make event and link to event list tail. | |
1571 | * so, we get first event for first enqueued buffer. | |
1572 | */ | |
1573 | e = list_first_entry(&c_node->event_list, | |
1574 | struct drm_exynos_ipp_send_event, base.link); | |
1575 | ||
cb471f14 | 1576 | do_gettimeofday(&now); |
cbc4c33d | 1577 | DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", now.tv_sec, now.tv_usec); |
cb471f14 EK |
1578 | e->event.tv_sec = now.tv_sec; |
1579 | e->event.tv_usec = now.tv_usec; | |
1580 | e->event.prop_id = property->prop_id; | |
1581 | ||
1582 | /* set buffer id about source destination */ | |
1583 | for_each_ipp_ops(i) | |
1584 | e->event.buf_id[i] = tbuf_id[i]; | |
1585 | ||
1586 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
1587 | list_move_tail(&e->base.link, &e->base.file_priv->event_list); | |
1588 | wake_up_interruptible(&e->base.file_priv->event_wait); | |
1589 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
4d520767 | 1590 | mutex_unlock(&c_node->event_lock); |
cb471f14 | 1591 | |
cbc4c33d | 1592 | DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n", |
cb471f14 EK |
1593 | property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]); |
1594 | ||
1595 | return 0; | |
220db6fe YC |
1596 | |
1597 | err_mem_unlock: | |
1598 | mutex_unlock(&c_node->mem_lock); | |
4d520767 YC |
1599 | err_event_unlock: |
1600 | mutex_unlock(&c_node->event_lock); | |
220db6fe | 1601 | return ret; |
cb471f14 EK |
1602 | } |
1603 | ||
1604 | void ipp_sched_event(struct work_struct *work) | |
1605 | { | |
1606 | struct drm_exynos_ipp_event_work *event_work = | |
1607 | (struct drm_exynos_ipp_event_work *)work; | |
1608 | struct exynos_drm_ippdrv *ippdrv; | |
1609 | struct drm_exynos_ipp_cmd_node *c_node; | |
1610 | int ret; | |
1611 | ||
1612 | if (!event_work) { | |
1613 | DRM_ERROR("failed to get event_work.\n"); | |
1614 | return; | |
1615 | } | |
1616 | ||
cbc4c33d | 1617 | DRM_DEBUG_KMS("buf_id[%d]\n", event_work->buf_id[EXYNOS_DRM_OPS_DST]); |
cb471f14 EK |
1618 | |
1619 | ippdrv = event_work->ippdrv; | |
1620 | if (!ippdrv) { | |
1621 | DRM_ERROR("failed to get ipp driver.\n"); | |
1622 | return; | |
1623 | } | |
1624 | ||
7259c3d6 | 1625 | c_node = ippdrv->c_node; |
cb471f14 EK |
1626 | if (!c_node) { |
1627 | DRM_ERROR("failed to get command node.\n"); | |
1628 | return; | |
1629 | } | |
1630 | ||
1631 | /* | |
1632 | * IPP supports command thread, event thread synchronization. | |
1633 | * If IPP close immediately from user land, then IPP make | |
1634 | * synchronization with command thread, so make complete event. | |
1635 | * or going out operations. | |
1636 | */ | |
1637 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d YC |
1638 | DRM_DEBUG_KMS("bypass state[%d]prop_id[%d]\n", |
1639 | c_node->state, c_node->property.prop_id); | |
cb471f14 EK |
1640 | goto err_completion; |
1641 | } | |
1642 | ||
cb471f14 EK |
1643 | ret = ipp_send_event(ippdrv, c_node, event_work->buf_id); |
1644 | if (ret) { | |
1645 | DRM_ERROR("failed to send event.\n"); | |
1646 | goto err_completion; | |
1647 | } | |
1648 | ||
1649 | err_completion: | |
1650 | if (ipp_is_m2m_cmd(c_node->property.cmd)) | |
1651 | complete(&c_node->start_complete); | |
cb471f14 EK |
1652 | } |
1653 | ||
1654 | static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) | |
1655 | { | |
1656 | struct ipp_context *ctx = get_ipp_context(dev); | |
1657 | struct exynos_drm_ippdrv *ippdrv; | |
1658 | int ret, count = 0; | |
1659 | ||
cb471f14 EK |
1660 | /* get ipp driver entry */ |
1661 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
f51bceec AH |
1662 | u32 ipp_id; |
1663 | ||
cb471f14 EK |
1664 | ippdrv->drm_dev = drm_dev; |
1665 | ||
1666 | ret = ipp_create_id(&ctx->ipp_idr, &ctx->ipp_lock, ippdrv, | |
f51bceec AH |
1667 | &ipp_id); |
1668 | if (ret || ipp_id == 0) { | |
cb471f14 | 1669 | DRM_ERROR("failed to create id.\n"); |
075436b0 | 1670 | goto err; |
cb471f14 EK |
1671 | } |
1672 | ||
cbc4c33d | 1673 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n", |
f51bceec | 1674 | count++, (int)ippdrv, ipp_id); |
cb471f14 | 1675 | |
31646054 | 1676 | ippdrv->prop_list.ipp_id = ipp_id; |
cb471f14 EK |
1677 | |
1678 | /* store parent device for node */ | |
1679 | ippdrv->parent_dev = dev; | |
1680 | ||
1681 | /* store event work queue and handler */ | |
1682 | ippdrv->event_workq = ctx->event_workq; | |
1683 | ippdrv->sched_event = ipp_sched_event; | |
1684 | INIT_LIST_HEAD(&ippdrv->cmd_list); | |
7f5af059 | 1685 | mutex_init(&ippdrv->cmd_lock); |
c12e2617 EK |
1686 | |
1687 | if (is_drm_iommu_supported(drm_dev)) { | |
1688 | ret = drm_iommu_attach_device(drm_dev, ippdrv->dev); | |
1689 | if (ret) { | |
1690 | DRM_ERROR("failed to activate iommu\n"); | |
075436b0 | 1691 | goto err; |
c12e2617 EK |
1692 | } |
1693 | } | |
cb471f14 EK |
1694 | } |
1695 | ||
1696 | return 0; | |
1697 | ||
075436b0 | 1698 | err: |
c12e2617 | 1699 | /* get ipp driver entry */ |
075436b0 YC |
1700 | list_for_each_entry_continue_reverse(ippdrv, &exynos_drm_ippdrv_list, |
1701 | drv_list) { | |
c12e2617 EK |
1702 | if (is_drm_iommu_supported(drm_dev)) |
1703 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1704 | ||
075436b0 YC |
1705 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1706 | ippdrv->prop_list.ipp_id); | |
1707 | } | |
1708 | ||
cb471f14 EK |
1709 | return ret; |
1710 | } | |
1711 | ||
1712 | static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) | |
1713 | { | |
1714 | struct exynos_drm_ippdrv *ippdrv; | |
075436b0 | 1715 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 | 1716 | |
cb471f14 EK |
1717 | /* get ipp driver entry */ |
1718 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
c12e2617 EK |
1719 | if (is_drm_iommu_supported(drm_dev)) |
1720 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1721 | ||
075436b0 YC |
1722 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1723 | ippdrv->prop_list.ipp_id); | |
1724 | ||
cb471f14 EK |
1725 | ippdrv->drm_dev = NULL; |
1726 | exynos_drm_ippdrv_unregister(ippdrv); | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, | |
1731 | struct drm_file *file) | |
1732 | { | |
1733 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1734 | |
5c76c5b1 | 1735 | file_priv->ipp_dev = dev; |
cb471f14 | 1736 | |
5c76c5b1 | 1737 | DRM_DEBUG_KMS("done priv[0x%x]\n", (int)dev); |
cb471f14 EK |
1738 | |
1739 | return 0; | |
1740 | } | |
1741 | ||
1742 | static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, | |
1743 | struct drm_file *file) | |
1744 | { | |
1745 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1746 | struct exynos_drm_ippdrv *ippdrv = NULL; |
075436b0 | 1747 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 EK |
1748 | struct drm_exynos_ipp_cmd_node *c_node, *tc_node; |
1749 | int count = 0; | |
1750 | ||
5c76c5b1 | 1751 | DRM_DEBUG_KMS("for priv[0x%x]\n", (int)file_priv->ipp_dev); |
cb471f14 | 1752 | |
cb471f14 | 1753 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { |
7f5af059 | 1754 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
1755 | list_for_each_entry_safe(c_node, tc_node, |
1756 | &ippdrv->cmd_list, list) { | |
cbc4c33d YC |
1757 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", |
1758 | count++, (int)ippdrv); | |
cb471f14 | 1759 | |
5c76c5b1 | 1760 | if (c_node->dev == file_priv->ipp_dev) { |
cb471f14 EK |
1761 | /* |
1762 | * userland goto unnormal state. process killed. | |
1763 | * and close the file. | |
1764 | * so, IPP didn't called stop cmd ctrl. | |
1765 | * so, we are make stop operation in this state. | |
1766 | */ | |
1767 | if (c_node->state == IPP_STATE_START) { | |
1768 | ipp_stop_property(drm_dev, ippdrv, | |
1769 | c_node); | |
1770 | c_node->state = IPP_STATE_STOP; | |
1771 | } | |
1772 | ||
1773 | ippdrv->dedicated = false; | |
075436b0 | 1774 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1775 | if (list_empty(&ippdrv->cmd_list)) |
1776 | pm_runtime_put_sync(ippdrv->dev); | |
1777 | } | |
1778 | } | |
7f5af059 | 1779 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1780 | } |
1781 | ||
cb471f14 EK |
1782 | return; |
1783 | } | |
1784 | ||
56550d94 | 1785 | static int ipp_probe(struct platform_device *pdev) |
cb471f14 EK |
1786 | { |
1787 | struct device *dev = &pdev->dev; | |
1788 | struct ipp_context *ctx; | |
1789 | struct exynos_drm_subdrv *subdrv; | |
1790 | int ret; | |
1791 | ||
d873ab99 | 1792 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
cb471f14 EK |
1793 | if (!ctx) |
1794 | return -ENOMEM; | |
1795 | ||
cb471f14 EK |
1796 | mutex_init(&ctx->ipp_lock); |
1797 | mutex_init(&ctx->prop_lock); | |
1798 | ||
1799 | idr_init(&ctx->ipp_idr); | |
1800 | idr_init(&ctx->prop_idr); | |
1801 | ||
1802 | /* | |
1803 | * create single thread for ipp event | |
1804 | * IPP supports event thread for IPP drivers. | |
1805 | * IPP driver send event_work to this thread. | |
1806 | * and IPP event thread send event to user process. | |
1807 | */ | |
1808 | ctx->event_workq = create_singlethread_workqueue("ipp_event"); | |
1809 | if (!ctx->event_workq) { | |
1810 | dev_err(dev, "failed to create event workqueue\n"); | |
bfb6ed26 | 1811 | return -EINVAL; |
cb471f14 EK |
1812 | } |
1813 | ||
1814 | /* | |
1815 | * create single thread for ipp command | |
1816 | * IPP supports command thread for user process. | |
1817 | * user process make command node using set property ioctl. | |
1818 | * and make start_work and send this work to command thread. | |
1819 | * and then this command thread start property. | |
1820 | */ | |
1821 | ctx->cmd_workq = create_singlethread_workqueue("ipp_cmd"); | |
1822 | if (!ctx->cmd_workq) { | |
1823 | dev_err(dev, "failed to create cmd workqueue\n"); | |
1824 | ret = -EINVAL; | |
1825 | goto err_event_workq; | |
1826 | } | |
1827 | ||
1828 | /* set sub driver informations */ | |
1829 | subdrv = &ctx->subdrv; | |
1830 | subdrv->dev = dev; | |
1831 | subdrv->probe = ipp_subdrv_probe; | |
1832 | subdrv->remove = ipp_subdrv_remove; | |
1833 | subdrv->open = ipp_subdrv_open; | |
1834 | subdrv->close = ipp_subdrv_close; | |
1835 | ||
1836 | platform_set_drvdata(pdev, ctx); | |
1837 | ||
1838 | ret = exynos_drm_subdrv_register(subdrv); | |
1839 | if (ret < 0) { | |
1840 | DRM_ERROR("failed to register drm ipp device.\n"); | |
1841 | goto err_cmd_workq; | |
1842 | } | |
1843 | ||
d873ab99 | 1844 | dev_info(dev, "drm ipp registered successfully.\n"); |
cb471f14 EK |
1845 | |
1846 | return 0; | |
1847 | ||
1848 | err_cmd_workq: | |
1849 | destroy_workqueue(ctx->cmd_workq); | |
1850 | err_event_workq: | |
1851 | destroy_workqueue(ctx->event_workq); | |
cb471f14 EK |
1852 | return ret; |
1853 | } | |
1854 | ||
56550d94 | 1855 | static int ipp_remove(struct platform_device *pdev) |
cb471f14 EK |
1856 | { |
1857 | struct ipp_context *ctx = platform_get_drvdata(pdev); | |
1858 | ||
cb471f14 EK |
1859 | /* unregister sub driver */ |
1860 | exynos_drm_subdrv_unregister(&ctx->subdrv); | |
1861 | ||
1862 | /* remove,destroy ipp idr */ | |
cb471f14 EK |
1863 | idr_destroy(&ctx->ipp_idr); |
1864 | idr_destroy(&ctx->prop_idr); | |
1865 | ||
1866 | mutex_destroy(&ctx->ipp_lock); | |
1867 | mutex_destroy(&ctx->prop_lock); | |
1868 | ||
1869 | /* destroy command, event work queue */ | |
1870 | destroy_workqueue(ctx->cmd_workq); | |
1871 | destroy_workqueue(ctx->event_workq); | |
1872 | ||
cb471f14 EK |
1873 | return 0; |
1874 | } | |
1875 | ||
1876 | static int ipp_power_ctrl(struct ipp_context *ctx, bool enable) | |
1877 | { | |
cbc4c33d | 1878 | DRM_DEBUG_KMS("enable[%d]\n", enable); |
cb471f14 EK |
1879 | |
1880 | return 0; | |
1881 | } | |
1882 | ||
1883 | #ifdef CONFIG_PM_SLEEP | |
1884 | static int ipp_suspend(struct device *dev) | |
1885 | { | |
1886 | struct ipp_context *ctx = get_ipp_context(dev); | |
1887 | ||
cb471f14 EK |
1888 | if (pm_runtime_suspended(dev)) |
1889 | return 0; | |
1890 | ||
1891 | return ipp_power_ctrl(ctx, false); | |
1892 | } | |
1893 | ||
1894 | static int ipp_resume(struct device *dev) | |
1895 | { | |
1896 | struct ipp_context *ctx = get_ipp_context(dev); | |
1897 | ||
cb471f14 EK |
1898 | if (!pm_runtime_suspended(dev)) |
1899 | return ipp_power_ctrl(ctx, true); | |
1900 | ||
1901 | return 0; | |
1902 | } | |
1903 | #endif | |
1904 | ||
1905 | #ifdef CONFIG_PM_RUNTIME | |
1906 | static int ipp_runtime_suspend(struct device *dev) | |
1907 | { | |
1908 | struct ipp_context *ctx = get_ipp_context(dev); | |
1909 | ||
cb471f14 EK |
1910 | return ipp_power_ctrl(ctx, false); |
1911 | } | |
1912 | ||
1913 | static int ipp_runtime_resume(struct device *dev) | |
1914 | { | |
1915 | struct ipp_context *ctx = get_ipp_context(dev); | |
1916 | ||
cb471f14 EK |
1917 | return ipp_power_ctrl(ctx, true); |
1918 | } | |
1919 | #endif | |
1920 | ||
1921 | static const struct dev_pm_ops ipp_pm_ops = { | |
1922 | SET_SYSTEM_SLEEP_PM_OPS(ipp_suspend, ipp_resume) | |
1923 | SET_RUNTIME_PM_OPS(ipp_runtime_suspend, ipp_runtime_resume, NULL) | |
1924 | }; | |
1925 | ||
1926 | struct platform_driver ipp_driver = { | |
1927 | .probe = ipp_probe, | |
56550d94 | 1928 | .remove = ipp_remove, |
cb471f14 EK |
1929 | .driver = { |
1930 | .name = "exynos-drm-ipp", | |
1931 | .owner = THIS_MODULE, | |
1932 | .pm = &ipp_pm_ops, | |
1933 | }, | |
1934 | }; | |
1935 |