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 | mutex_lock(&exynos_drm_ippdrv_lock); |
133 | list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list); | |
134 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv) | |
140 | { | |
cb471f14 EK |
141 | mutex_lock(&exynos_drm_ippdrv_lock); |
142 | list_del(&ippdrv->drv_list); | |
143 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj, | |
149 | u32 *idp) | |
150 | { | |
151 | int ret; | |
152 | ||
cb471f14 EK |
153 | /* do the allocation under our mutexlock */ |
154 | mutex_lock(lock); | |
8550cb2e | 155 | ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL); |
cb471f14 | 156 | mutex_unlock(lock); |
8550cb2e TH |
157 | if (ret < 0) |
158 | return ret; | |
cb471f14 | 159 | |
8550cb2e TH |
160 | *idp = ret; |
161 | return 0; | |
cb471f14 EK |
162 | } |
163 | ||
075436b0 YC |
164 | static void ipp_remove_id(struct idr *id_idr, struct mutex *lock, u32 id) |
165 | { | |
166 | mutex_lock(lock); | |
167 | idr_remove(id_idr, id); | |
168 | mutex_unlock(lock); | |
169 | } | |
170 | ||
cb471f14 EK |
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 | 279 | |
cb471f14 EK |
280 | /* |
281 | * This case is search ipp driver by prop_id handle. | |
282 | * sometimes, ipp subsystem find driver by prop_id. | |
9fca9acf | 283 | * e.g PAUSE state, queue buf, command control. |
cb471f14 EK |
284 | */ |
285 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
cbc4c33d | 286 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", count++, (int)ippdrv); |
cb471f14 | 287 | |
7f5af059 YC |
288 | mutex_lock(&ippdrv->cmd_lock); |
289 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { | |
290 | if (c_node->property.prop_id == prop_id) { | |
291 | mutex_unlock(&ippdrv->cmd_lock); | |
c66ce40b | 292 | return ippdrv; |
7f5af059 | 293 | } |
cb471f14 | 294 | } |
7f5af059 | 295 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
296 | } |
297 | ||
298 | return ERR_PTR(-ENODEV); | |
299 | } | |
300 | ||
301 | int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, | |
302 | struct drm_file *file) | |
303 | { | |
304 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 305 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
306 | struct ipp_context *ctx = get_ipp_context(dev); |
307 | struct drm_exynos_ipp_prop_list *prop_list = data; | |
308 | struct exynos_drm_ippdrv *ippdrv; | |
309 | int count = 0; | |
310 | ||
cb471f14 EK |
311 | if (!ctx) { |
312 | DRM_ERROR("invalid context.\n"); | |
313 | return -EINVAL; | |
314 | } | |
315 | ||
316 | if (!prop_list) { | |
317 | DRM_ERROR("invalid property parameter.\n"); | |
318 | return -EINVAL; | |
319 | } | |
320 | ||
cbc4c33d | 321 | DRM_DEBUG_KMS("ipp_id[%d]\n", prop_list->ipp_id); |
cb471f14 EK |
322 | |
323 | if (!prop_list->ipp_id) { | |
324 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) | |
325 | count++; | |
7f5af059 | 326 | |
cb471f14 EK |
327 | /* |
328 | * Supports ippdrv list count for user application. | |
329 | * First step user application getting ippdrv count. | |
330 | * and second step getting ippdrv capability using ipp_id. | |
331 | */ | |
332 | prop_list->count = count; | |
333 | } else { | |
334 | /* | |
335 | * Getting ippdrv capability by ipp_id. | |
c6b78bc8 | 336 | * some device not supported wb, output interface. |
cb471f14 EK |
337 | * so, user application detect correct ipp driver |
338 | * using this ioctl. | |
339 | */ | |
340 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
341 | prop_list->ipp_id); | |
be348790 | 342 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
343 | DRM_ERROR("not found ipp%d driver.\n", |
344 | prop_list->ipp_id); | |
be348790 | 345 | return PTR_ERR(ippdrv); |
cb471f14 EK |
346 | } |
347 | ||
31646054 | 348 | *prop_list = ippdrv->prop_list; |
cb471f14 EK |
349 | } |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | static void ipp_print_property(struct drm_exynos_ipp_property *property, | |
355 | int idx) | |
356 | { | |
357 | struct drm_exynos_ipp_config *config = &property->config[idx]; | |
358 | struct drm_exynos_pos *pos = &config->pos; | |
359 | struct drm_exynos_sz *sz = &config->sz; | |
360 | ||
cbc4c33d YC |
361 | DRM_DEBUG_KMS("prop_id[%d]ops[%s]fmt[0x%x]\n", |
362 | property->prop_id, idx ? "dst" : "src", config->fmt); | |
cb471f14 | 363 | |
cbc4c33d YC |
364 | DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n", |
365 | pos->x, pos->y, pos->w, pos->h, | |
cb471f14 EK |
366 | sz->hsize, sz->vsize, config->flip, config->degree); |
367 | } | |
368 | ||
369 | static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property) | |
370 | { | |
371 | struct exynos_drm_ippdrv *ippdrv; | |
372 | struct drm_exynos_ipp_cmd_node *c_node; | |
373 | u32 prop_id = property->prop_id; | |
374 | ||
cbc4c33d | 375 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 EK |
376 | |
377 | ippdrv = ipp_find_drv_by_handle(prop_id); | |
f0250458 | 378 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
379 | DRM_ERROR("failed to get ipp driver.\n"); |
380 | return -EINVAL; | |
381 | } | |
382 | ||
383 | /* | |
384 | * Find command node using command list in ippdrv. | |
385 | * when we find this command no using prop_id. | |
386 | * return property information set in this command node. | |
387 | */ | |
7f5af059 | 388 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
389 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { |
390 | if ((c_node->property.prop_id == prop_id) && | |
391 | (c_node->state == IPP_STATE_STOP)) { | |
7f5af059 | 392 | mutex_unlock(&ippdrv->cmd_lock); |
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 | } | |
7f5af059 | 400 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
401 | |
402 | DRM_ERROR("failed to search property.\n"); | |
403 | ||
404 | return -EINVAL; | |
405 | } | |
406 | ||
407 | static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) | |
408 | { | |
409 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
410 | ||
cb471f14 | 411 | cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); |
38bb5253 | 412 | if (!cmd_work) |
cb471f14 | 413 | return ERR_PTR(-ENOMEM); |
cb471f14 EK |
414 | |
415 | INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); | |
416 | ||
417 | return cmd_work; | |
418 | } | |
419 | ||
420 | static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) | |
421 | { | |
422 | struct drm_exynos_ipp_event_work *event_work; | |
423 | ||
cb471f14 | 424 | event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); |
38bb5253 | 425 | if (!event_work) |
cb471f14 | 426 | return ERR_PTR(-ENOMEM); |
cb471f14 | 427 | |
60b61c2f | 428 | INIT_WORK(&event_work->work, ipp_sched_event); |
cb471f14 EK |
429 | |
430 | return event_work; | |
431 | } | |
432 | ||
433 | int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, | |
434 | struct drm_file *file) | |
435 | { | |
436 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 437 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
438 | struct ipp_context *ctx = get_ipp_context(dev); |
439 | struct drm_exynos_ipp_property *property = data; | |
440 | struct exynos_drm_ippdrv *ippdrv; | |
441 | struct drm_exynos_ipp_cmd_node *c_node; | |
442 | int ret, i; | |
443 | ||
cb471f14 EK |
444 | if (!ctx) { |
445 | DRM_ERROR("invalid context.\n"); | |
446 | return -EINVAL; | |
447 | } | |
448 | ||
449 | if (!property) { | |
450 | DRM_ERROR("invalid property parameter.\n"); | |
451 | return -EINVAL; | |
452 | } | |
453 | ||
454 | /* | |
455 | * This is log print for user application property. | |
456 | * user application set various property. | |
457 | */ | |
458 | for_each_ipp_ops(i) | |
459 | ipp_print_property(property, i); | |
460 | ||
461 | /* | |
462 | * set property ioctl generated new prop_id. | |
463 | * but in this case already asigned prop_id using old set property. | |
464 | * e.g PAUSE state. this case supports find current prop_id and use it | |
465 | * instead of allocation. | |
466 | */ | |
467 | if (property->prop_id) { | |
cbc4c33d | 468 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
469 | return ipp_find_and_set_property(property); |
470 | } | |
471 | ||
472 | /* find ipp driver using ipp id */ | |
473 | ippdrv = ipp_find_driver(ctx, property); | |
f0250458 | 474 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
475 | DRM_ERROR("failed to get ipp driver.\n"); |
476 | return -EINVAL; | |
477 | } | |
478 | ||
479 | /* allocate command node */ | |
480 | c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); | |
38bb5253 | 481 | if (!c_node) |
cb471f14 | 482 | return -ENOMEM; |
cb471f14 EK |
483 | |
484 | /* create property id */ | |
485 | ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node, | |
486 | &property->prop_id); | |
487 | if (ret) { | |
488 | DRM_ERROR("failed to create id.\n"); | |
489 | goto err_clear; | |
490 | } | |
491 | ||
cbc4c33d YC |
492 | DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[0x%x]\n", |
493 | property->prop_id, property->cmd, (int)ippdrv); | |
cb471f14 EK |
494 | |
495 | /* stored property information and ippdrv in private data */ | |
5c76c5b1 | 496 | c_node->dev = dev; |
cb471f14 EK |
497 | c_node->property = *property; |
498 | c_node->state = IPP_STATE_IDLE; | |
499 | ||
500 | c_node->start_work = ipp_create_cmd_work(); | |
f0250458 | 501 | if (IS_ERR(c_node->start_work)) { |
cb471f14 | 502 | DRM_ERROR("failed to create start work.\n"); |
075436b0 | 503 | goto err_remove_id; |
cb471f14 EK |
504 | } |
505 | ||
506 | c_node->stop_work = ipp_create_cmd_work(); | |
f0250458 | 507 | if (IS_ERR(c_node->stop_work)) { |
cb471f14 EK |
508 | DRM_ERROR("failed to create stop work.\n"); |
509 | goto err_free_start; | |
510 | } | |
511 | ||
512 | c_node->event_work = ipp_create_event_work(); | |
f0250458 | 513 | if (IS_ERR(c_node->event_work)) { |
cb471f14 EK |
514 | DRM_ERROR("failed to create event work.\n"); |
515 | goto err_free_stop; | |
516 | } | |
517 | ||
4e4fe554 | 518 | mutex_init(&c_node->lock); |
cb471f14 EK |
519 | mutex_init(&c_node->mem_lock); |
520 | mutex_init(&c_node->event_lock); | |
521 | ||
522 | init_completion(&c_node->start_complete); | |
523 | init_completion(&c_node->stop_complete); | |
524 | ||
525 | for_each_ipp_ops(i) | |
526 | INIT_LIST_HEAD(&c_node->mem_list[i]); | |
527 | ||
528 | INIT_LIST_HEAD(&c_node->event_list); | |
7f5af059 | 529 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 | 530 | list_add_tail(&c_node->list, &ippdrv->cmd_list); |
7f5af059 | 531 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
532 | |
533 | /* make dedicated state without m2m */ | |
534 | if (!ipp_is_m2m_cmd(property->cmd)) | |
535 | ippdrv->dedicated = true; | |
536 | ||
537 | return 0; | |
538 | ||
539 | err_free_stop: | |
540 | kfree(c_node->stop_work); | |
541 | err_free_start: | |
542 | kfree(c_node->start_work); | |
075436b0 YC |
543 | err_remove_id: |
544 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, property->prop_id); | |
cb471f14 EK |
545 | err_clear: |
546 | kfree(c_node); | |
547 | return ret; | |
548 | } | |
549 | ||
075436b0 YC |
550 | static void ipp_clean_cmd_node(struct ipp_context *ctx, |
551 | struct drm_exynos_ipp_cmd_node *c_node) | |
cb471f14 | 552 | { |
cb471f14 EK |
553 | /* delete list */ |
554 | list_del(&c_node->list); | |
555 | ||
075436b0 YC |
556 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, |
557 | c_node->property.prop_id); | |
558 | ||
cb471f14 | 559 | /* destroy mutex */ |
4e4fe554 | 560 | mutex_destroy(&c_node->lock); |
cb471f14 EK |
561 | mutex_destroy(&c_node->mem_lock); |
562 | mutex_destroy(&c_node->event_lock); | |
563 | ||
564 | /* free command node */ | |
565 | kfree(c_node->start_work); | |
566 | kfree(c_node->stop_work); | |
567 | kfree(c_node->event_work); | |
568 | kfree(c_node); | |
569 | } | |
570 | ||
fb5ee01c | 571 | static bool ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node) |
cb471f14 | 572 | { |
fb5ee01c AH |
573 | switch (c_node->property.cmd) { |
574 | case IPP_CMD_WB: | |
575 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
576 | case IPP_CMD_OUTPUT: | |
577 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]); | |
578 | case IPP_CMD_M2M: | |
579 | default: | |
580 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]) && | |
581 | !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
cb471f14 | 582 | } |
cb471f14 EK |
583 | } |
584 | ||
585 | static struct drm_exynos_ipp_mem_node | |
586 | *ipp_find_mem_node(struct drm_exynos_ipp_cmd_node *c_node, | |
587 | struct drm_exynos_ipp_queue_buf *qbuf) | |
588 | { | |
589 | struct drm_exynos_ipp_mem_node *m_node; | |
590 | struct list_head *head; | |
591 | int count = 0; | |
592 | ||
cbc4c33d | 593 | DRM_DEBUG_KMS("buf_id[%d]\n", qbuf->buf_id); |
cb471f14 EK |
594 | |
595 | /* source/destination memory list */ | |
596 | head = &c_node->mem_list[qbuf->ops_id]; | |
597 | ||
598 | /* find memory node from memory list */ | |
599 | list_for_each_entry(m_node, head, list) { | |
cbc4c33d | 600 | DRM_DEBUG_KMS("count[%d]m_node[0x%x]\n", count++, (int)m_node); |
cb471f14 EK |
601 | |
602 | /* compare buffer id */ | |
603 | if (m_node->buf_id == qbuf->buf_id) | |
604 | return m_node; | |
605 | } | |
606 | ||
607 | return NULL; | |
608 | } | |
609 | ||
610 | static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, | |
611 | struct drm_exynos_ipp_cmd_node *c_node, | |
612 | struct drm_exynos_ipp_mem_node *m_node) | |
613 | { | |
614 | struct exynos_drm_ipp_ops *ops = NULL; | |
615 | int ret = 0; | |
616 | ||
cbc4c33d | 617 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
618 | |
619 | if (!m_node) { | |
620 | DRM_ERROR("invalid queue node.\n"); | |
621 | return -EFAULT; | |
622 | } | |
623 | ||
cbc4c33d | 624 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
625 | |
626 | /* get operations callback */ | |
627 | ops = ippdrv->ops[m_node->ops_id]; | |
628 | if (!ops) { | |
629 | DRM_ERROR("not support ops.\n"); | |
220db6fe | 630 | return -EFAULT; |
cb471f14 EK |
631 | } |
632 | ||
633 | /* set address and enable irq */ | |
634 | if (ops->set_addr) { | |
635 | ret = ops->set_addr(ippdrv->dev, &m_node->buf_info, | |
636 | m_node->buf_id, IPP_BUF_ENQUEUE); | |
637 | if (ret) { | |
638 | DRM_ERROR("failed to set addr.\n"); | |
220db6fe | 639 | return ret; |
cb471f14 EK |
640 | } |
641 | } | |
642 | ||
cb471f14 EK |
643 | return ret; |
644 | } | |
645 | ||
646 | static struct drm_exynos_ipp_mem_node | |
647 | *ipp_get_mem_node(struct drm_device *drm_dev, | |
648 | struct drm_file *file, | |
649 | struct drm_exynos_ipp_cmd_node *c_node, | |
650 | struct drm_exynos_ipp_queue_buf *qbuf) | |
651 | { | |
652 | struct drm_exynos_ipp_mem_node *m_node; | |
73b00232 | 653 | struct drm_exynos_ipp_buf_info *buf_info; |
cb471f14 EK |
654 | int i; |
655 | ||
cb471f14 | 656 | m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); |
38bb5253 | 657 | if (!m_node) |
220db6fe | 658 | return ERR_PTR(-ENOMEM); |
cb471f14 | 659 | |
73b00232 | 660 | buf_info = &m_node->buf_info; |
cb471f14 EK |
661 | |
662 | /* operations, buffer id */ | |
663 | m_node->ops_id = qbuf->ops_id; | |
664 | m_node->prop_id = qbuf->prop_id; | |
665 | m_node->buf_id = qbuf->buf_id; | |
666 | ||
cbc4c33d YC |
667 | DRM_DEBUG_KMS("m_node[0x%x]ops_id[%d]\n", (int)m_node, qbuf->ops_id); |
668 | DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); | |
cb471f14 EK |
669 | |
670 | for_each_ipp_planar(i) { | |
cbc4c33d | 671 | DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]); |
cb471f14 EK |
672 | |
673 | /* get dma address by handle */ | |
674 | if (qbuf->handle[i]) { | |
a8ea17f6 AH |
675 | dma_addr_t *addr; |
676 | ||
cb471f14 EK |
677 | addr = exynos_drm_gem_get_dma_addr(drm_dev, |
678 | qbuf->handle[i], file); | |
679 | if (IS_ERR(addr)) { | |
680 | DRM_ERROR("failed to get addr.\n"); | |
681 | goto err_clear; | |
682 | } | |
683 | ||
73b00232 AH |
684 | buf_info->handles[i] = qbuf->handle[i]; |
685 | buf_info->base[i] = *addr; | |
686 | DRM_DEBUG_KMS("i[%d]base[0x%x]hd[0x%lx]\n", i, | |
687 | buf_info->base[i], buf_info->handles[i]); | |
cb471f14 EK |
688 | } |
689 | } | |
690 | ||
691 | m_node->filp = file; | |
220db6fe | 692 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 693 | list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]); |
cb471f14 | 694 | mutex_unlock(&c_node->mem_lock); |
220db6fe | 695 | |
cb471f14 EK |
696 | return m_node; |
697 | ||
698 | err_clear: | |
699 | kfree(m_node); | |
cb471f14 EK |
700 | return ERR_PTR(-EFAULT); |
701 | } | |
702 | ||
703 | static int ipp_put_mem_node(struct drm_device *drm_dev, | |
704 | struct drm_exynos_ipp_cmd_node *c_node, | |
705 | struct drm_exynos_ipp_mem_node *m_node) | |
706 | { | |
707 | int i; | |
708 | ||
cbc4c33d | 709 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
710 | |
711 | if (!m_node) { | |
712 | DRM_ERROR("invalid dequeue node.\n"); | |
713 | return -EFAULT; | |
714 | } | |
715 | ||
cbc4c33d | 716 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
717 | |
718 | /* put gem buffer */ | |
719 | for_each_ipp_planar(i) { | |
720 | unsigned long handle = m_node->buf_info.handles[i]; | |
721 | if (handle) | |
722 | exynos_drm_gem_put_dma_addr(drm_dev, handle, | |
723 | m_node->filp); | |
724 | } | |
725 | ||
726 | /* delete list in queue */ | |
727 | list_del(&m_node->list); | |
728 | kfree(m_node); | |
729 | ||
cb471f14 EK |
730 | return 0; |
731 | } | |
732 | ||
733 | static void ipp_free_event(struct drm_pending_event *event) | |
734 | { | |
735 | kfree(event); | |
736 | } | |
737 | ||
738 | static int ipp_get_event(struct drm_device *drm_dev, | |
739 | struct drm_file *file, | |
740 | struct drm_exynos_ipp_cmd_node *c_node, | |
741 | struct drm_exynos_ipp_queue_buf *qbuf) | |
742 | { | |
743 | struct drm_exynos_ipp_send_event *e; | |
744 | unsigned long flags; | |
745 | ||
cbc4c33d | 746 | DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id); |
cb471f14 EK |
747 | |
748 | e = kzalloc(sizeof(*e), GFP_KERNEL); | |
cb471f14 | 749 | if (!e) { |
cb471f14 EK |
750 | spin_lock_irqsave(&drm_dev->event_lock, flags); |
751 | file->event_space += sizeof(e->event); | |
752 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
753 | return -ENOMEM; | |
754 | } | |
755 | ||
756 | /* make event */ | |
757 | e->event.base.type = DRM_EXYNOS_IPP_EVENT; | |
758 | e->event.base.length = sizeof(e->event); | |
759 | e->event.user_data = qbuf->user_data; | |
760 | e->event.prop_id = qbuf->prop_id; | |
761 | e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id; | |
762 | e->base.event = &e->event.base; | |
763 | e->base.file_priv = file; | |
764 | e->base.destroy = ipp_free_event; | |
4d520767 | 765 | mutex_lock(&c_node->event_lock); |
cb471f14 | 766 | list_add_tail(&e->base.link, &c_node->event_list); |
4d520767 | 767 | mutex_unlock(&c_node->event_lock); |
cb471f14 EK |
768 | |
769 | return 0; | |
770 | } | |
771 | ||
772 | static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, | |
773 | struct drm_exynos_ipp_queue_buf *qbuf) | |
774 | { | |
775 | struct drm_exynos_ipp_send_event *e, *te; | |
776 | int count = 0; | |
777 | ||
4d520767 | 778 | mutex_lock(&c_node->event_lock); |
cb471f14 | 779 | list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { |
cbc4c33d | 780 | DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); |
cb471f14 EK |
781 | |
782 | /* | |
4fe25b82 | 783 | * qbuf == NULL condition means all event deletion. |
cb471f14 EK |
784 | * stop operations want to delete all event list. |
785 | * another case delete only same buf id. | |
786 | */ | |
787 | if (!qbuf) { | |
788 | /* delete list */ | |
789 | list_del(&e->base.link); | |
790 | kfree(e); | |
791 | } | |
792 | ||
793 | /* compare buffer id */ | |
794 | if (qbuf && (qbuf->buf_id == | |
795 | e->event.buf_id[EXYNOS_DRM_OPS_DST])) { | |
796 | /* delete list */ | |
797 | list_del(&e->base.link); | |
798 | kfree(e); | |
4d520767 | 799 | goto out_unlock; |
cb471f14 EK |
800 | } |
801 | } | |
4d520767 YC |
802 | |
803 | out_unlock: | |
804 | mutex_unlock(&c_node->event_lock); | |
805 | return; | |
cb471f14 EK |
806 | } |
807 | ||
0bc4a0aa | 808 | static void ipp_handle_cmd_work(struct device *dev, |
cb471f14 EK |
809 | struct exynos_drm_ippdrv *ippdrv, |
810 | struct drm_exynos_ipp_cmd_work *cmd_work, | |
811 | struct drm_exynos_ipp_cmd_node *c_node) | |
812 | { | |
813 | struct ipp_context *ctx = get_ipp_context(dev); | |
814 | ||
815 | cmd_work->ippdrv = ippdrv; | |
816 | cmd_work->c_node = c_node; | |
817 | queue_work(ctx->cmd_workq, (struct work_struct *)cmd_work); | |
818 | } | |
819 | ||
820 | static int ipp_queue_buf_with_run(struct device *dev, | |
821 | struct drm_exynos_ipp_cmd_node *c_node, | |
822 | struct drm_exynos_ipp_mem_node *m_node, | |
823 | struct drm_exynos_ipp_queue_buf *qbuf) | |
824 | { | |
825 | struct exynos_drm_ippdrv *ippdrv; | |
826 | struct drm_exynos_ipp_property *property; | |
827 | struct exynos_drm_ipp_ops *ops; | |
828 | int ret; | |
829 | ||
cb471f14 | 830 | ippdrv = ipp_find_drv_by_handle(qbuf->prop_id); |
f0250458 | 831 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
832 | DRM_ERROR("failed to get ipp driver.\n"); |
833 | return -EFAULT; | |
834 | } | |
835 | ||
836 | ops = ippdrv->ops[qbuf->ops_id]; | |
837 | if (!ops) { | |
838 | DRM_ERROR("failed to get ops.\n"); | |
839 | return -EFAULT; | |
840 | } | |
841 | ||
842 | property = &c_node->property; | |
843 | ||
844 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d | 845 | DRM_DEBUG_KMS("bypass for invalid state.\n"); |
cb471f14 EK |
846 | return 0; |
847 | } | |
848 | ||
220db6fe | 849 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 850 | if (!ipp_check_mem_list(c_node)) { |
220db6fe | 851 | mutex_unlock(&c_node->mem_lock); |
cbc4c33d | 852 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
853 | return 0; |
854 | } | |
855 | ||
856 | /* | |
857 | * If set destination buffer and enabled clock, | |
858 | * then m2m operations need start operations at queue_buf | |
859 | */ | |
860 | if (ipp_is_m2m_cmd(property->cmd)) { | |
861 | struct drm_exynos_ipp_cmd_work *cmd_work = c_node->start_work; | |
862 | ||
863 | cmd_work->ctrl = IPP_CTRL_PLAY; | |
864 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
865 | } else { | |
866 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
867 | if (ret) { | |
220db6fe | 868 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
869 | DRM_ERROR("failed to set m node.\n"); |
870 | return ret; | |
871 | } | |
872 | } | |
220db6fe | 873 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
874 | |
875 | return 0; | |
876 | } | |
877 | ||
878 | static void ipp_clean_queue_buf(struct drm_device *drm_dev, | |
879 | struct drm_exynos_ipp_cmd_node *c_node, | |
880 | struct drm_exynos_ipp_queue_buf *qbuf) | |
881 | { | |
882 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
883 | ||
c66ce40b | 884 | /* delete list */ |
220db6fe | 885 | mutex_lock(&c_node->mem_lock); |
c66ce40b YC |
886 | list_for_each_entry_safe(m_node, tm_node, |
887 | &c_node->mem_list[qbuf->ops_id], list) { | |
888 | if (m_node->buf_id == qbuf->buf_id && | |
889 | m_node->ops_id == qbuf->ops_id) | |
890 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
cb471f14 | 891 | } |
220db6fe | 892 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
893 | } |
894 | ||
895 | int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, | |
896 | struct drm_file *file) | |
897 | { | |
898 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 899 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
900 | struct ipp_context *ctx = get_ipp_context(dev); |
901 | struct drm_exynos_ipp_queue_buf *qbuf = data; | |
902 | struct drm_exynos_ipp_cmd_node *c_node; | |
903 | struct drm_exynos_ipp_mem_node *m_node; | |
904 | int ret; | |
905 | ||
cb471f14 EK |
906 | if (!qbuf) { |
907 | DRM_ERROR("invalid buf parameter.\n"); | |
908 | return -EINVAL; | |
909 | } | |
910 | ||
911 | if (qbuf->ops_id >= EXYNOS_DRM_OPS_MAX) { | |
912 | DRM_ERROR("invalid ops parameter.\n"); | |
913 | return -EINVAL; | |
914 | } | |
915 | ||
cbc4c33d YC |
916 | DRM_DEBUG_KMS("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n", |
917 | qbuf->prop_id, qbuf->ops_id ? "dst" : "src", | |
cb471f14 EK |
918 | qbuf->buf_id, qbuf->buf_type); |
919 | ||
920 | /* find command node */ | |
921 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
922 | qbuf->prop_id); | |
be348790 | 923 | if (IS_ERR(c_node)) { |
cb471f14 | 924 | DRM_ERROR("failed to get command node.\n"); |
be348790 | 925 | return PTR_ERR(c_node); |
cb471f14 EK |
926 | } |
927 | ||
928 | /* buffer control */ | |
929 | switch (qbuf->buf_type) { | |
930 | case IPP_BUF_ENQUEUE: | |
931 | /* get memory node */ | |
932 | m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf); | |
933 | if (IS_ERR(m_node)) { | |
934 | DRM_ERROR("failed to get m_node.\n"); | |
935 | return PTR_ERR(m_node); | |
936 | } | |
937 | ||
938 | /* | |
939 | * first step get event for destination buffer. | |
940 | * and second step when M2M case run with destination buffer | |
941 | * if needed. | |
942 | */ | |
943 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) { | |
944 | /* get event for destination buffer */ | |
945 | ret = ipp_get_event(drm_dev, file, c_node, qbuf); | |
946 | if (ret) { | |
947 | DRM_ERROR("failed to get event.\n"); | |
948 | goto err_clean_node; | |
949 | } | |
950 | ||
951 | /* | |
952 | * M2M case run play control for streaming feature. | |
953 | * other case set address and waiting. | |
954 | */ | |
955 | ret = ipp_queue_buf_with_run(dev, c_node, m_node, qbuf); | |
956 | if (ret) { | |
957 | DRM_ERROR("failed to run command.\n"); | |
958 | goto err_clean_node; | |
959 | } | |
960 | } | |
961 | break; | |
962 | case IPP_BUF_DEQUEUE: | |
4e4fe554 | 963 | mutex_lock(&c_node->lock); |
cb471f14 EK |
964 | |
965 | /* put event for destination buffer */ | |
966 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) | |
967 | ipp_put_event(c_node, qbuf); | |
968 | ||
969 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
970 | ||
4e4fe554 | 971 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
972 | break; |
973 | default: | |
974 | DRM_ERROR("invalid buffer control.\n"); | |
975 | return -EINVAL; | |
976 | } | |
977 | ||
978 | return 0; | |
979 | ||
980 | err_clean_node: | |
981 | DRM_ERROR("clean memory nodes.\n"); | |
982 | ||
983 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
984 | return ret; | |
985 | } | |
986 | ||
987 | static bool exynos_drm_ipp_check_valid(struct device *dev, | |
988 | enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state) | |
989 | { | |
cb471f14 EK |
990 | if (ctrl != IPP_CTRL_PLAY) { |
991 | if (pm_runtime_suspended(dev)) { | |
992 | DRM_ERROR("pm:runtime_suspended.\n"); | |
993 | goto err_status; | |
994 | } | |
995 | } | |
996 | ||
997 | switch (ctrl) { | |
998 | case IPP_CTRL_PLAY: | |
999 | if (state != IPP_STATE_IDLE) | |
1000 | goto err_status; | |
1001 | break; | |
1002 | case IPP_CTRL_STOP: | |
1003 | if (state == IPP_STATE_STOP) | |
1004 | goto err_status; | |
1005 | break; | |
1006 | case IPP_CTRL_PAUSE: | |
1007 | if (state != IPP_STATE_START) | |
1008 | goto err_status; | |
1009 | break; | |
1010 | case IPP_CTRL_RESUME: | |
1011 | if (state != IPP_STATE_STOP) | |
1012 | goto err_status; | |
1013 | break; | |
1014 | default: | |
1015 | DRM_ERROR("invalid state.\n"); | |
1016 | goto err_status; | |
cb471f14 EK |
1017 | } |
1018 | ||
1019 | return true; | |
1020 | ||
1021 | err_status: | |
1022 | DRM_ERROR("invalid status:ctrl[%d]state[%d]\n", ctrl, state); | |
1023 | return false; | |
1024 | } | |
1025 | ||
1026 | int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, | |
1027 | struct drm_file *file) | |
1028 | { | |
1029 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1030 | struct exynos_drm_ippdrv *ippdrv = NULL; |
5c76c5b1 | 1031 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
1032 | struct ipp_context *ctx = get_ipp_context(dev); |
1033 | struct drm_exynos_ipp_cmd_ctrl *cmd_ctrl = data; | |
1034 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
1035 | struct drm_exynos_ipp_cmd_node *c_node; | |
1036 | ||
cb471f14 EK |
1037 | if (!ctx) { |
1038 | DRM_ERROR("invalid context.\n"); | |
1039 | return -EINVAL; | |
1040 | } | |
1041 | ||
1042 | if (!cmd_ctrl) { | |
1043 | DRM_ERROR("invalid control parameter.\n"); | |
1044 | return -EINVAL; | |
1045 | } | |
1046 | ||
cbc4c33d | 1047 | DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1048 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1049 | ||
1050 | ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id); | |
1051 | if (IS_ERR(ippdrv)) { | |
1052 | DRM_ERROR("failed to get ipp driver.\n"); | |
1053 | return PTR_ERR(ippdrv); | |
1054 | } | |
1055 | ||
1056 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
1057 | cmd_ctrl->prop_id); | |
be348790 | 1058 | if (IS_ERR(c_node)) { |
cb471f14 | 1059 | DRM_ERROR("invalid command node list.\n"); |
be348790 | 1060 | return PTR_ERR(c_node); |
cb471f14 EK |
1061 | } |
1062 | ||
1063 | if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl, | |
1064 | c_node->state)) { | |
1065 | DRM_ERROR("invalid state.\n"); | |
1066 | return -EINVAL; | |
1067 | } | |
1068 | ||
1069 | switch (cmd_ctrl->ctrl) { | |
1070 | case IPP_CTRL_PLAY: | |
1071 | if (pm_runtime_suspended(ippdrv->dev)) | |
1072 | pm_runtime_get_sync(ippdrv->dev); | |
ebaf05c8 | 1073 | |
cb471f14 EK |
1074 | c_node->state = IPP_STATE_START; |
1075 | ||
1076 | cmd_work = c_node->start_work; | |
1077 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1078 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
cb471f14 EK |
1079 | break; |
1080 | case IPP_CTRL_STOP: | |
1081 | cmd_work = c_node->stop_work; | |
1082 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1083 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1084 | ||
1085 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1086 | msecs_to_jiffies(300))) { | |
1087 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1088 | c_node->property.prop_id); | |
1089 | } | |
1090 | ||
1091 | c_node->state = IPP_STATE_STOP; | |
1092 | ippdrv->dedicated = false; | |
7f5af059 | 1093 | mutex_lock(&ippdrv->cmd_lock); |
075436b0 | 1094 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1095 | |
1096 | if (list_empty(&ippdrv->cmd_list)) | |
1097 | pm_runtime_put_sync(ippdrv->dev); | |
7f5af059 | 1098 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1099 | break; |
1100 | case IPP_CTRL_PAUSE: | |
1101 | cmd_work = c_node->stop_work; | |
1102 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1103 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1104 | ||
1105 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1106 | msecs_to_jiffies(200))) { | |
1107 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1108 | c_node->property.prop_id); | |
1109 | } | |
1110 | ||
1111 | c_node->state = IPP_STATE_STOP; | |
1112 | break; | |
1113 | case IPP_CTRL_RESUME: | |
1114 | c_node->state = IPP_STATE_START; | |
1115 | cmd_work = c_node->start_work; | |
1116 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1117 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1118 | break; | |
1119 | default: | |
1120 | DRM_ERROR("could not support this state currently.\n"); | |
1121 | return -EINVAL; | |
1122 | } | |
1123 | ||
cbc4c33d | 1124 | DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1125 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | ||
1130 | int exynos_drm_ippnb_register(struct notifier_block *nb) | |
1131 | { | |
1132 | return blocking_notifier_chain_register( | |
1133 | &exynos_drm_ippnb_list, nb); | |
1134 | } | |
1135 | ||
1136 | int exynos_drm_ippnb_unregister(struct notifier_block *nb) | |
1137 | { | |
1138 | return blocking_notifier_chain_unregister( | |
1139 | &exynos_drm_ippnb_list, nb); | |
1140 | } | |
1141 | ||
1142 | int exynos_drm_ippnb_send_event(unsigned long val, void *v) | |
1143 | { | |
1144 | return blocking_notifier_call_chain( | |
1145 | &exynos_drm_ippnb_list, val, v); | |
1146 | } | |
1147 | ||
1148 | static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv, | |
1149 | struct drm_exynos_ipp_property *property) | |
1150 | { | |
1151 | struct exynos_drm_ipp_ops *ops = NULL; | |
1152 | bool swap = false; | |
1153 | int ret, i; | |
1154 | ||
1155 | if (!property) { | |
1156 | DRM_ERROR("invalid property parameter.\n"); | |
1157 | return -EINVAL; | |
1158 | } | |
1159 | ||
cbc4c33d | 1160 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1161 | |
1162 | /* reset h/w block */ | |
1163 | if (ippdrv->reset && | |
1164 | ippdrv->reset(ippdrv->dev)) { | |
1165 | DRM_ERROR("failed to reset.\n"); | |
1166 | return -EINVAL; | |
1167 | } | |
1168 | ||
1169 | /* set source,destination operations */ | |
1170 | for_each_ipp_ops(i) { | |
1171 | struct drm_exynos_ipp_config *config = | |
1172 | &property->config[i]; | |
1173 | ||
1174 | ops = ippdrv->ops[i]; | |
1175 | if (!ops || !config) { | |
1176 | DRM_ERROR("not support ops and config.\n"); | |
1177 | return -EINVAL; | |
1178 | } | |
1179 | ||
1180 | /* set format */ | |
1181 | if (ops->set_fmt) { | |
1182 | ret = ops->set_fmt(ippdrv->dev, config->fmt); | |
1183 | if (ret) { | |
1184 | DRM_ERROR("not support format.\n"); | |
1185 | return ret; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | /* set transform for rotation, flip */ | |
1190 | if (ops->set_transf) { | |
1191 | ret = ops->set_transf(ippdrv->dev, config->degree, | |
1192 | config->flip, &swap); | |
1193 | if (ret) { | |
1194 | DRM_ERROR("not support tranf.\n"); | |
1195 | return -EINVAL; | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | /* set size */ | |
1200 | if (ops->set_size) { | |
1201 | ret = ops->set_size(ippdrv->dev, swap, &config->pos, | |
1202 | &config->sz); | |
1203 | if (ret) { | |
1204 | DRM_ERROR("not support size.\n"); | |
1205 | return ret; | |
1206 | } | |
1207 | } | |
1208 | } | |
1209 | ||
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, | |
1214 | struct drm_exynos_ipp_cmd_node *c_node) | |
1215 | { | |
1216 | struct drm_exynos_ipp_mem_node *m_node; | |
1217 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1218 | struct list_head *head; | |
1219 | int ret, i; | |
1220 | ||
cbc4c33d | 1221 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1222 | |
1223 | /* store command info in ippdrv */ | |
7259c3d6 | 1224 | ippdrv->c_node = c_node; |
cb471f14 | 1225 | |
220db6fe | 1226 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1227 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1228 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1229 | ret = -ENOMEM; |
1230 | goto err_unlock; | |
cb471f14 EK |
1231 | } |
1232 | ||
1233 | /* set current property in ippdrv */ | |
1234 | ret = ipp_set_property(ippdrv, property); | |
1235 | if (ret) { | |
1236 | DRM_ERROR("failed to set property.\n"); | |
7259c3d6 | 1237 | ippdrv->c_node = NULL; |
220db6fe | 1238 | goto err_unlock; |
cb471f14 EK |
1239 | } |
1240 | ||
1241 | /* check command */ | |
1242 | switch (property->cmd) { | |
1243 | case IPP_CMD_M2M: | |
1244 | for_each_ipp_ops(i) { | |
1245 | /* source/destination memory list */ | |
1246 | head = &c_node->mem_list[i]; | |
1247 | ||
1248 | m_node = list_first_entry(head, | |
1249 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 | 1250 | |
cbc4c33d | 1251 | DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node); |
cb471f14 EK |
1252 | |
1253 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1254 | if (ret) { | |
1255 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1256 | goto err_unlock; |
cb471f14 EK |
1257 | } |
1258 | } | |
1259 | break; | |
1260 | case IPP_CMD_WB: | |
1261 | /* destination memory list */ | |
1262 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1263 | ||
1264 | list_for_each_entry(m_node, head, list) { | |
1265 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1266 | if (ret) { | |
1267 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1268 | goto err_unlock; |
cb471f14 EK |
1269 | } |
1270 | } | |
1271 | break; | |
1272 | case IPP_CMD_OUTPUT: | |
1273 | /* source memory list */ | |
1274 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1275 | ||
1276 | list_for_each_entry(m_node, head, list) { | |
1277 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1278 | if (ret) { | |
1279 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1280 | goto err_unlock; |
cb471f14 EK |
1281 | } |
1282 | } | |
1283 | break; | |
1284 | default: | |
1285 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1286 | ret = -EINVAL; |
1287 | goto err_unlock; | |
cb471f14 | 1288 | } |
220db6fe | 1289 | mutex_unlock(&c_node->mem_lock); |
cb471f14 | 1290 | |
cbc4c33d | 1291 | DRM_DEBUG_KMS("cmd[%d]\n", property->cmd); |
cb471f14 EK |
1292 | |
1293 | /* start operations */ | |
1294 | if (ippdrv->start) { | |
1295 | ret = ippdrv->start(ippdrv->dev, property->cmd); | |
1296 | if (ret) { | |
1297 | DRM_ERROR("failed to start ops.\n"); | |
220db6fe | 1298 | ippdrv->c_node = NULL; |
cb471f14 EK |
1299 | return ret; |
1300 | } | |
1301 | } | |
1302 | ||
1303 | return 0; | |
220db6fe YC |
1304 | |
1305 | err_unlock: | |
1306 | mutex_unlock(&c_node->mem_lock); | |
1307 | ippdrv->c_node = NULL; | |
1308 | return ret; | |
cb471f14 EK |
1309 | } |
1310 | ||
1311 | static int ipp_stop_property(struct drm_device *drm_dev, | |
1312 | struct exynos_drm_ippdrv *ippdrv, | |
1313 | struct drm_exynos_ipp_cmd_node *c_node) | |
1314 | { | |
1315 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
1316 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1317 | struct list_head *head; | |
1318 | int ret = 0, i; | |
1319 | ||
cbc4c33d | 1320 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1321 | |
1322 | /* put event */ | |
1323 | ipp_put_event(c_node, NULL); | |
1324 | ||
220db6fe YC |
1325 | mutex_lock(&c_node->mem_lock); |
1326 | ||
cb471f14 EK |
1327 | /* check command */ |
1328 | switch (property->cmd) { | |
1329 | case IPP_CMD_M2M: | |
1330 | for_each_ipp_ops(i) { | |
1331 | /* source/destination memory list */ | |
1332 | head = &c_node->mem_list[i]; | |
1333 | ||
cb471f14 EK |
1334 | list_for_each_entry_safe(m_node, tm_node, |
1335 | head, list) { | |
1336 | ret = ipp_put_mem_node(drm_dev, c_node, | |
1337 | m_node); | |
1338 | if (ret) { | |
1339 | DRM_ERROR("failed to put m_node.\n"); | |
1340 | goto err_clear; | |
1341 | } | |
1342 | } | |
1343 | } | |
1344 | break; | |
1345 | case IPP_CMD_WB: | |
1346 | /* destination memory list */ | |
1347 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1348 | ||
cb471f14 EK |
1349 | list_for_each_entry_safe(m_node, tm_node, head, list) { |
1350 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1351 | if (ret) { | |
1352 | DRM_ERROR("failed to put m_node.\n"); | |
1353 | goto err_clear; | |
1354 | } | |
1355 | } | |
1356 | break; | |
1357 | case IPP_CMD_OUTPUT: | |
1358 | /* source memory list */ | |
1359 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1360 | ||
cb471f14 EK |
1361 | list_for_each_entry_safe(m_node, tm_node, head, list) { |
1362 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1363 | if (ret) { | |
1364 | DRM_ERROR("failed to put m_node.\n"); | |
1365 | goto err_clear; | |
1366 | } | |
1367 | } | |
1368 | break; | |
1369 | default: | |
1370 | DRM_ERROR("invalid operations.\n"); | |
1371 | ret = -EINVAL; | |
1372 | goto err_clear; | |
1373 | } | |
1374 | ||
1375 | err_clear: | |
220db6fe YC |
1376 | mutex_unlock(&c_node->mem_lock); |
1377 | ||
cb471f14 EK |
1378 | /* stop operations */ |
1379 | if (ippdrv->stop) | |
1380 | ippdrv->stop(ippdrv->dev, property->cmd); | |
1381 | ||
1382 | return ret; | |
1383 | } | |
1384 | ||
1385 | void ipp_sched_cmd(struct work_struct *work) | |
1386 | { | |
1387 | struct drm_exynos_ipp_cmd_work *cmd_work = | |
1388 | (struct drm_exynos_ipp_cmd_work *)work; | |
1389 | struct exynos_drm_ippdrv *ippdrv; | |
1390 | struct drm_exynos_ipp_cmd_node *c_node; | |
1391 | struct drm_exynos_ipp_property *property; | |
1392 | int ret; | |
1393 | ||
cb471f14 EK |
1394 | ippdrv = cmd_work->ippdrv; |
1395 | if (!ippdrv) { | |
1396 | DRM_ERROR("invalid ippdrv list.\n"); | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | c_node = cmd_work->c_node; | |
1401 | if (!c_node) { | |
1402 | DRM_ERROR("invalid command node list.\n"); | |
1403 | return; | |
1404 | } | |
1405 | ||
4e4fe554 | 1406 | mutex_lock(&c_node->lock); |
cb471f14 EK |
1407 | |
1408 | property = &c_node->property; | |
cb471f14 EK |
1409 | |
1410 | switch (cmd_work->ctrl) { | |
1411 | case IPP_CTRL_PLAY: | |
1412 | case IPP_CTRL_RESUME: | |
1413 | ret = ipp_start_property(ippdrv, c_node); | |
1414 | if (ret) { | |
1415 | DRM_ERROR("failed to start property:prop_id[%d]\n", | |
1416 | c_node->property.prop_id); | |
1417 | goto err_unlock; | |
1418 | } | |
1419 | ||
1420 | /* | |
1421 | * M2M case supports wait_completion of transfer. | |
1422 | * because M2M case supports single unit operation | |
1423 | * with multiple queue. | |
1424 | * M2M need to wait completion of data transfer. | |
1425 | */ | |
1426 | if (ipp_is_m2m_cmd(property->cmd)) { | |
1427 | if (!wait_for_completion_timeout | |
1428 | (&c_node->start_complete, msecs_to_jiffies(200))) { | |
1429 | DRM_ERROR("timeout event:prop_id[%d]\n", | |
1430 | c_node->property.prop_id); | |
1431 | goto err_unlock; | |
1432 | } | |
1433 | } | |
1434 | break; | |
1435 | case IPP_CTRL_STOP: | |
1436 | case IPP_CTRL_PAUSE: | |
1437 | ret = ipp_stop_property(ippdrv->drm_dev, ippdrv, | |
1438 | c_node); | |
1439 | if (ret) { | |
1440 | DRM_ERROR("failed to stop property.\n"); | |
1441 | goto err_unlock; | |
1442 | } | |
1443 | ||
1444 | complete(&c_node->stop_complete); | |
1445 | break; | |
1446 | default: | |
1447 | DRM_ERROR("unknown control type\n"); | |
1448 | break; | |
1449 | } | |
1450 | ||
cbc4c33d | 1451 | DRM_DEBUG_KMS("ctrl[%d] done.\n", cmd_work->ctrl); |
cb471f14 EK |
1452 | |
1453 | err_unlock: | |
4e4fe554 | 1454 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
1455 | } |
1456 | ||
1457 | static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv, | |
1458 | struct drm_exynos_ipp_cmd_node *c_node, int *buf_id) | |
1459 | { | |
1460 | struct drm_device *drm_dev = ippdrv->drm_dev; | |
1461 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1462 | struct drm_exynos_ipp_mem_node *m_node; | |
1463 | struct drm_exynos_ipp_queue_buf qbuf; | |
1464 | struct drm_exynos_ipp_send_event *e; | |
1465 | struct list_head *head; | |
1466 | struct timeval now; | |
1467 | unsigned long flags; | |
1468 | u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, }; | |
1469 | int ret, i; | |
1470 | ||
1471 | for_each_ipp_ops(i) | |
cbc4c33d | 1472 | DRM_DEBUG_KMS("%s buf_id[%d]\n", i ? "dst" : "src", buf_id[i]); |
cb471f14 EK |
1473 | |
1474 | if (!drm_dev) { | |
1475 | DRM_ERROR("failed to get drm_dev.\n"); | |
1476 | return -EINVAL; | |
1477 | } | |
1478 | ||
1479 | if (!property) { | |
1480 | DRM_ERROR("failed to get property.\n"); | |
1481 | return -EINVAL; | |
1482 | } | |
1483 | ||
4d520767 | 1484 | mutex_lock(&c_node->event_lock); |
cb471f14 | 1485 | if (list_empty(&c_node->event_list)) { |
cbc4c33d | 1486 | DRM_DEBUG_KMS("event list is empty.\n"); |
4d520767 YC |
1487 | ret = 0; |
1488 | goto err_event_unlock; | |
cb471f14 EK |
1489 | } |
1490 | ||
220db6fe | 1491 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1492 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1493 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1494 | ret = 0; |
1495 | goto err_mem_unlock; | |
cb471f14 EK |
1496 | } |
1497 | ||
1498 | /* check command */ | |
1499 | switch (property->cmd) { | |
1500 | case IPP_CMD_M2M: | |
1501 | for_each_ipp_ops(i) { | |
1502 | /* source/destination memory list */ | |
1503 | head = &c_node->mem_list[i]; | |
1504 | ||
1505 | m_node = list_first_entry(head, | |
1506 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1507 | |
1508 | tbuf_id[i] = m_node->buf_id; | |
cbc4c33d | 1509 | DRM_DEBUG_KMS("%s buf_id[%d]\n", |
cb471f14 EK |
1510 | i ? "dst" : "src", tbuf_id[i]); |
1511 | ||
1512 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1513 | if (ret) | |
1514 | DRM_ERROR("failed to put m_node.\n"); | |
1515 | } | |
1516 | break; | |
1517 | case IPP_CMD_WB: | |
1518 | /* clear buf for finding */ | |
1519 | memset(&qbuf, 0x0, sizeof(qbuf)); | |
1520 | qbuf.ops_id = EXYNOS_DRM_OPS_DST; | |
1521 | qbuf.buf_id = buf_id[EXYNOS_DRM_OPS_DST]; | |
1522 | ||
1523 | /* get memory node entry */ | |
1524 | m_node = ipp_find_mem_node(c_node, &qbuf); | |
1525 | if (!m_node) { | |
1526 | DRM_ERROR("empty memory node.\n"); | |
220db6fe YC |
1527 | ret = -ENOMEM; |
1528 | goto err_mem_unlock; | |
cb471f14 EK |
1529 | } |
1530 | ||
1531 | tbuf_id[EXYNOS_DRM_OPS_DST] = m_node->buf_id; | |
1532 | ||
1533 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1534 | if (ret) | |
1535 | DRM_ERROR("failed to put m_node.\n"); | |
1536 | break; | |
1537 | case IPP_CMD_OUTPUT: | |
1538 | /* source memory list */ | |
1539 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1540 | ||
1541 | m_node = list_first_entry(head, | |
1542 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1543 | |
1544 | tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id; | |
1545 | ||
1546 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1547 | if (ret) | |
1548 | DRM_ERROR("failed to put m_node.\n"); | |
1549 | break; | |
1550 | default: | |
1551 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1552 | ret = -EINVAL; |
1553 | goto err_mem_unlock; | |
cb471f14 | 1554 | } |
220db6fe | 1555 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
1556 | |
1557 | if (tbuf_id[EXYNOS_DRM_OPS_DST] != buf_id[EXYNOS_DRM_OPS_DST]) | |
1558 | DRM_ERROR("failed to match buf_id[%d %d]prop_id[%d]\n", | |
1559 | tbuf_id[1], buf_id[1], property->prop_id); | |
1560 | ||
1561 | /* | |
1562 | * command node have event list of destination buffer | |
1563 | * If destination buffer enqueue to mem list, | |
1564 | * then we make event and link to event list tail. | |
1565 | * so, we get first event for first enqueued buffer. | |
1566 | */ | |
1567 | e = list_first_entry(&c_node->event_list, | |
1568 | struct drm_exynos_ipp_send_event, base.link); | |
1569 | ||
cb471f14 | 1570 | do_gettimeofday(&now); |
cbc4c33d | 1571 | DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", now.tv_sec, now.tv_usec); |
cb471f14 EK |
1572 | e->event.tv_sec = now.tv_sec; |
1573 | e->event.tv_usec = now.tv_usec; | |
1574 | e->event.prop_id = property->prop_id; | |
1575 | ||
1576 | /* set buffer id about source destination */ | |
1577 | for_each_ipp_ops(i) | |
1578 | e->event.buf_id[i] = tbuf_id[i]; | |
1579 | ||
1580 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
1581 | list_move_tail(&e->base.link, &e->base.file_priv->event_list); | |
1582 | wake_up_interruptible(&e->base.file_priv->event_wait); | |
1583 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
4d520767 | 1584 | mutex_unlock(&c_node->event_lock); |
cb471f14 | 1585 | |
cbc4c33d | 1586 | DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n", |
cb471f14 EK |
1587 | property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]); |
1588 | ||
1589 | return 0; | |
220db6fe YC |
1590 | |
1591 | err_mem_unlock: | |
1592 | mutex_unlock(&c_node->mem_lock); | |
4d520767 YC |
1593 | err_event_unlock: |
1594 | mutex_unlock(&c_node->event_lock); | |
220db6fe | 1595 | return ret; |
cb471f14 EK |
1596 | } |
1597 | ||
1598 | void ipp_sched_event(struct work_struct *work) | |
1599 | { | |
1600 | struct drm_exynos_ipp_event_work *event_work = | |
1601 | (struct drm_exynos_ipp_event_work *)work; | |
1602 | struct exynos_drm_ippdrv *ippdrv; | |
1603 | struct drm_exynos_ipp_cmd_node *c_node; | |
1604 | int ret; | |
1605 | ||
1606 | if (!event_work) { | |
1607 | DRM_ERROR("failed to get event_work.\n"); | |
1608 | return; | |
1609 | } | |
1610 | ||
cbc4c33d | 1611 | DRM_DEBUG_KMS("buf_id[%d]\n", event_work->buf_id[EXYNOS_DRM_OPS_DST]); |
cb471f14 EK |
1612 | |
1613 | ippdrv = event_work->ippdrv; | |
1614 | if (!ippdrv) { | |
1615 | DRM_ERROR("failed to get ipp driver.\n"); | |
1616 | return; | |
1617 | } | |
1618 | ||
7259c3d6 | 1619 | c_node = ippdrv->c_node; |
cb471f14 EK |
1620 | if (!c_node) { |
1621 | DRM_ERROR("failed to get command node.\n"); | |
1622 | return; | |
1623 | } | |
1624 | ||
1625 | /* | |
1626 | * IPP supports command thread, event thread synchronization. | |
1627 | * If IPP close immediately from user land, then IPP make | |
1628 | * synchronization with command thread, so make complete event. | |
1629 | * or going out operations. | |
1630 | */ | |
1631 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d YC |
1632 | DRM_DEBUG_KMS("bypass state[%d]prop_id[%d]\n", |
1633 | c_node->state, c_node->property.prop_id); | |
cb471f14 EK |
1634 | goto err_completion; |
1635 | } | |
1636 | ||
cb471f14 EK |
1637 | ret = ipp_send_event(ippdrv, c_node, event_work->buf_id); |
1638 | if (ret) { | |
1639 | DRM_ERROR("failed to send event.\n"); | |
1640 | goto err_completion; | |
1641 | } | |
1642 | ||
1643 | err_completion: | |
1644 | if (ipp_is_m2m_cmd(c_node->property.cmd)) | |
1645 | complete(&c_node->start_complete); | |
cb471f14 EK |
1646 | } |
1647 | ||
1648 | static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) | |
1649 | { | |
1650 | struct ipp_context *ctx = get_ipp_context(dev); | |
1651 | struct exynos_drm_ippdrv *ippdrv; | |
1652 | int ret, count = 0; | |
1653 | ||
cb471f14 EK |
1654 | /* get ipp driver entry */ |
1655 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
f51bceec AH |
1656 | u32 ipp_id; |
1657 | ||
cb471f14 EK |
1658 | ippdrv->drm_dev = drm_dev; |
1659 | ||
1660 | ret = ipp_create_id(&ctx->ipp_idr, &ctx->ipp_lock, ippdrv, | |
f51bceec AH |
1661 | &ipp_id); |
1662 | if (ret || ipp_id == 0) { | |
cb471f14 | 1663 | DRM_ERROR("failed to create id.\n"); |
075436b0 | 1664 | goto err; |
cb471f14 EK |
1665 | } |
1666 | ||
cbc4c33d | 1667 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n", |
f51bceec | 1668 | count++, (int)ippdrv, ipp_id); |
cb471f14 | 1669 | |
31646054 | 1670 | ippdrv->prop_list.ipp_id = ipp_id; |
cb471f14 EK |
1671 | |
1672 | /* store parent device for node */ | |
1673 | ippdrv->parent_dev = dev; | |
1674 | ||
1675 | /* store event work queue and handler */ | |
1676 | ippdrv->event_workq = ctx->event_workq; | |
1677 | ippdrv->sched_event = ipp_sched_event; | |
1678 | INIT_LIST_HEAD(&ippdrv->cmd_list); | |
7f5af059 | 1679 | mutex_init(&ippdrv->cmd_lock); |
c12e2617 EK |
1680 | |
1681 | if (is_drm_iommu_supported(drm_dev)) { | |
1682 | ret = drm_iommu_attach_device(drm_dev, ippdrv->dev); | |
1683 | if (ret) { | |
1684 | DRM_ERROR("failed to activate iommu\n"); | |
075436b0 | 1685 | goto err; |
c12e2617 EK |
1686 | } |
1687 | } | |
cb471f14 EK |
1688 | } |
1689 | ||
1690 | return 0; | |
1691 | ||
075436b0 | 1692 | err: |
c12e2617 | 1693 | /* get ipp driver entry */ |
075436b0 YC |
1694 | list_for_each_entry_continue_reverse(ippdrv, &exynos_drm_ippdrv_list, |
1695 | drv_list) { | |
c12e2617 EK |
1696 | if (is_drm_iommu_supported(drm_dev)) |
1697 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1698 | ||
075436b0 YC |
1699 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1700 | ippdrv->prop_list.ipp_id); | |
1701 | } | |
1702 | ||
cb471f14 EK |
1703 | return ret; |
1704 | } | |
1705 | ||
1706 | static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) | |
1707 | { | |
1708 | struct exynos_drm_ippdrv *ippdrv; | |
075436b0 | 1709 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 | 1710 | |
cb471f14 EK |
1711 | /* get ipp driver entry */ |
1712 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
c12e2617 EK |
1713 | if (is_drm_iommu_supported(drm_dev)) |
1714 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1715 | ||
075436b0 YC |
1716 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1717 | ippdrv->prop_list.ipp_id); | |
1718 | ||
cb471f14 EK |
1719 | ippdrv->drm_dev = NULL; |
1720 | exynos_drm_ippdrv_unregister(ippdrv); | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, | |
1725 | struct drm_file *file) | |
1726 | { | |
1727 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1728 | |
5c76c5b1 | 1729 | file_priv->ipp_dev = dev; |
cb471f14 | 1730 | |
5c76c5b1 | 1731 | DRM_DEBUG_KMS("done priv[0x%x]\n", (int)dev); |
cb471f14 EK |
1732 | |
1733 | return 0; | |
1734 | } | |
1735 | ||
1736 | static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, | |
1737 | struct drm_file *file) | |
1738 | { | |
1739 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1740 | struct exynos_drm_ippdrv *ippdrv = NULL; |
075436b0 | 1741 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 EK |
1742 | struct drm_exynos_ipp_cmd_node *c_node, *tc_node; |
1743 | int count = 0; | |
1744 | ||
5c76c5b1 | 1745 | DRM_DEBUG_KMS("for priv[0x%x]\n", (int)file_priv->ipp_dev); |
cb471f14 | 1746 | |
cb471f14 | 1747 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { |
7f5af059 | 1748 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
1749 | list_for_each_entry_safe(c_node, tc_node, |
1750 | &ippdrv->cmd_list, list) { | |
cbc4c33d YC |
1751 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", |
1752 | count++, (int)ippdrv); | |
cb471f14 | 1753 | |
5c76c5b1 | 1754 | if (c_node->dev == file_priv->ipp_dev) { |
cb471f14 EK |
1755 | /* |
1756 | * userland goto unnormal state. process killed. | |
1757 | * and close the file. | |
1758 | * so, IPP didn't called stop cmd ctrl. | |
1759 | * so, we are make stop operation in this state. | |
1760 | */ | |
1761 | if (c_node->state == IPP_STATE_START) { | |
1762 | ipp_stop_property(drm_dev, ippdrv, | |
1763 | c_node); | |
1764 | c_node->state = IPP_STATE_STOP; | |
1765 | } | |
1766 | ||
1767 | ippdrv->dedicated = false; | |
075436b0 | 1768 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1769 | if (list_empty(&ippdrv->cmd_list)) |
1770 | pm_runtime_put_sync(ippdrv->dev); | |
1771 | } | |
1772 | } | |
7f5af059 | 1773 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1774 | } |
1775 | ||
cb471f14 EK |
1776 | return; |
1777 | } | |
1778 | ||
56550d94 | 1779 | static int ipp_probe(struct platform_device *pdev) |
cb471f14 EK |
1780 | { |
1781 | struct device *dev = &pdev->dev; | |
1782 | struct ipp_context *ctx; | |
1783 | struct exynos_drm_subdrv *subdrv; | |
1784 | int ret; | |
1785 | ||
d873ab99 | 1786 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
cb471f14 EK |
1787 | if (!ctx) |
1788 | return -ENOMEM; | |
1789 | ||
cb471f14 EK |
1790 | mutex_init(&ctx->ipp_lock); |
1791 | mutex_init(&ctx->prop_lock); | |
1792 | ||
1793 | idr_init(&ctx->ipp_idr); | |
1794 | idr_init(&ctx->prop_idr); | |
1795 | ||
1796 | /* | |
1797 | * create single thread for ipp event | |
1798 | * IPP supports event thread for IPP drivers. | |
1799 | * IPP driver send event_work to this thread. | |
1800 | * and IPP event thread send event to user process. | |
1801 | */ | |
1802 | ctx->event_workq = create_singlethread_workqueue("ipp_event"); | |
1803 | if (!ctx->event_workq) { | |
1804 | dev_err(dev, "failed to create event workqueue\n"); | |
bfb6ed26 | 1805 | return -EINVAL; |
cb471f14 EK |
1806 | } |
1807 | ||
1808 | /* | |
1809 | * create single thread for ipp command | |
1810 | * IPP supports command thread for user process. | |
1811 | * user process make command node using set property ioctl. | |
1812 | * and make start_work and send this work to command thread. | |
1813 | * and then this command thread start property. | |
1814 | */ | |
1815 | ctx->cmd_workq = create_singlethread_workqueue("ipp_cmd"); | |
1816 | if (!ctx->cmd_workq) { | |
1817 | dev_err(dev, "failed to create cmd workqueue\n"); | |
1818 | ret = -EINVAL; | |
1819 | goto err_event_workq; | |
1820 | } | |
1821 | ||
1822 | /* set sub driver informations */ | |
1823 | subdrv = &ctx->subdrv; | |
1824 | subdrv->dev = dev; | |
1825 | subdrv->probe = ipp_subdrv_probe; | |
1826 | subdrv->remove = ipp_subdrv_remove; | |
1827 | subdrv->open = ipp_subdrv_open; | |
1828 | subdrv->close = ipp_subdrv_close; | |
1829 | ||
1830 | platform_set_drvdata(pdev, ctx); | |
1831 | ||
1832 | ret = exynos_drm_subdrv_register(subdrv); | |
1833 | if (ret < 0) { | |
1834 | DRM_ERROR("failed to register drm ipp device.\n"); | |
1835 | goto err_cmd_workq; | |
1836 | } | |
1837 | ||
d873ab99 | 1838 | dev_info(dev, "drm ipp registered successfully.\n"); |
cb471f14 EK |
1839 | |
1840 | return 0; | |
1841 | ||
1842 | err_cmd_workq: | |
1843 | destroy_workqueue(ctx->cmd_workq); | |
1844 | err_event_workq: | |
1845 | destroy_workqueue(ctx->event_workq); | |
cb471f14 EK |
1846 | return ret; |
1847 | } | |
1848 | ||
56550d94 | 1849 | static int ipp_remove(struct platform_device *pdev) |
cb471f14 EK |
1850 | { |
1851 | struct ipp_context *ctx = platform_get_drvdata(pdev); | |
1852 | ||
cb471f14 EK |
1853 | /* unregister sub driver */ |
1854 | exynos_drm_subdrv_unregister(&ctx->subdrv); | |
1855 | ||
1856 | /* remove,destroy ipp idr */ | |
cb471f14 EK |
1857 | idr_destroy(&ctx->ipp_idr); |
1858 | idr_destroy(&ctx->prop_idr); | |
1859 | ||
1860 | mutex_destroy(&ctx->ipp_lock); | |
1861 | mutex_destroy(&ctx->prop_lock); | |
1862 | ||
1863 | /* destroy command, event work queue */ | |
1864 | destroy_workqueue(ctx->cmd_workq); | |
1865 | destroy_workqueue(ctx->event_workq); | |
1866 | ||
cb471f14 EK |
1867 | return 0; |
1868 | } | |
1869 | ||
1870 | static int ipp_power_ctrl(struct ipp_context *ctx, bool enable) | |
1871 | { | |
cbc4c33d | 1872 | DRM_DEBUG_KMS("enable[%d]\n", enable); |
cb471f14 EK |
1873 | |
1874 | return 0; | |
1875 | } | |
1876 | ||
1877 | #ifdef CONFIG_PM_SLEEP | |
1878 | static int ipp_suspend(struct device *dev) | |
1879 | { | |
1880 | struct ipp_context *ctx = get_ipp_context(dev); | |
1881 | ||
cb471f14 EK |
1882 | if (pm_runtime_suspended(dev)) |
1883 | return 0; | |
1884 | ||
1885 | return ipp_power_ctrl(ctx, false); | |
1886 | } | |
1887 | ||
1888 | static int ipp_resume(struct device *dev) | |
1889 | { | |
1890 | struct ipp_context *ctx = get_ipp_context(dev); | |
1891 | ||
cb471f14 EK |
1892 | if (!pm_runtime_suspended(dev)) |
1893 | return ipp_power_ctrl(ctx, true); | |
1894 | ||
1895 | return 0; | |
1896 | } | |
1897 | #endif | |
1898 | ||
1899 | #ifdef CONFIG_PM_RUNTIME | |
1900 | static int ipp_runtime_suspend(struct device *dev) | |
1901 | { | |
1902 | struct ipp_context *ctx = get_ipp_context(dev); | |
1903 | ||
cb471f14 EK |
1904 | return ipp_power_ctrl(ctx, false); |
1905 | } | |
1906 | ||
1907 | static int ipp_runtime_resume(struct device *dev) | |
1908 | { | |
1909 | struct ipp_context *ctx = get_ipp_context(dev); | |
1910 | ||
cb471f14 EK |
1911 | return ipp_power_ctrl(ctx, true); |
1912 | } | |
1913 | #endif | |
1914 | ||
1915 | static const struct dev_pm_ops ipp_pm_ops = { | |
1916 | SET_SYSTEM_SLEEP_PM_OPS(ipp_suspend, ipp_resume) | |
1917 | SET_RUNTIME_PM_OPS(ipp_runtime_suspend, ipp_runtime_resume, NULL) | |
1918 | }; | |
1919 | ||
1920 | struct platform_driver ipp_driver = { | |
1921 | .probe = ipp_probe, | |
56550d94 | 1922 | .remove = ipp_remove, |
cb471f14 EK |
1923 | .driver = { |
1924 | .name = "exynos-drm-ipp", | |
1925 | .owner = THIS_MODULE, | |
1926 | .pm = &ipp_pm_ops, | |
1927 | }, | |
1928 | }; | |
1929 |