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; | |
cb471f14 EK |
78 | }; |
79 | ||
80 | /* | |
81 | * A structure of ipp context. | |
82 | * | |
83 | * @subdrv: prepare initialization using subdrv. | |
84 | * @ipp_lock: lock for synchronization of access to ipp_idr. | |
85 | * @prop_lock: lock for synchronization of access to prop_idr. | |
86 | * @ipp_idr: ipp driver idr. | |
87 | * @prop_idr: property idr. | |
88 | * @event_workq: event work queue. | |
89 | * @cmd_workq: command work queue. | |
90 | */ | |
91 | struct ipp_context { | |
92 | struct exynos_drm_subdrv subdrv; | |
93 | struct mutex ipp_lock; | |
94 | struct mutex prop_lock; | |
95 | struct idr ipp_idr; | |
96 | struct idr prop_idr; | |
97 | struct workqueue_struct *event_workq; | |
98 | struct workqueue_struct *cmd_workq; | |
99 | }; | |
100 | ||
101 | static LIST_HEAD(exynos_drm_ippdrv_list); | |
102 | static DEFINE_MUTEX(exynos_drm_ippdrv_lock); | |
103 | static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list); | |
104 | ||
43f41900 SWK |
105 | int exynos_platform_device_ipp_register(void) |
106 | { | |
107 | struct platform_device *pdev; | |
108 | ||
109 | if (exynos_drm_ipp_pdev) | |
110 | return -EEXIST; | |
111 | ||
112 | pdev = platform_device_register_simple("exynos-drm-ipp", -1, NULL, 0); | |
113 | if (IS_ERR(pdev)) | |
114 | return PTR_ERR(pdev); | |
115 | ||
116 | exynos_drm_ipp_pdev = pdev; | |
117 | ||
118 | return 0; | |
119 | } | |
120 | ||
121 | void exynos_platform_device_ipp_unregister(void) | |
122 | { | |
123 | if (exynos_drm_ipp_pdev) { | |
124 | platform_device_unregister(exynos_drm_ipp_pdev); | |
125 | exynos_drm_ipp_pdev = NULL; | |
126 | } | |
127 | } | |
128 | ||
cb471f14 EK |
129 | int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) |
130 | { | |
cb471f14 EK |
131 | mutex_lock(&exynos_drm_ippdrv_lock); |
132 | list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list); | |
133 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
134 | ||
135 | return 0; | |
136 | } | |
137 | ||
138 | int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv) | |
139 | { | |
cb471f14 EK |
140 | mutex_lock(&exynos_drm_ippdrv_lock); |
141 | list_del(&ippdrv->drv_list); | |
142 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
12ff54d2 | 147 | static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj) |
cb471f14 EK |
148 | { |
149 | int ret; | |
150 | ||
cb471f14 | 151 | mutex_lock(lock); |
8550cb2e | 152 | ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL); |
cb471f14 | 153 | mutex_unlock(lock); |
cb471f14 | 154 | |
12ff54d2 | 155 | return ret; |
cb471f14 EK |
156 | } |
157 | ||
075436b0 YC |
158 | static void ipp_remove_id(struct idr *id_idr, struct mutex *lock, u32 id) |
159 | { | |
160 | mutex_lock(lock); | |
161 | idr_remove(id_idr, id); | |
162 | mutex_unlock(lock); | |
163 | } | |
164 | ||
cb471f14 EK |
165 | static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id) |
166 | { | |
167 | void *obj; | |
168 | ||
cb471f14 | 169 | mutex_lock(lock); |
cb471f14 | 170 | obj = idr_find(id_idr, id); |
cb471f14 EK |
171 | mutex_unlock(lock); |
172 | ||
173 | return obj; | |
174 | } | |
175 | ||
9cc7d85e AH |
176 | static int ipp_check_driver(struct exynos_drm_ippdrv *ippdrv, |
177 | struct drm_exynos_ipp_property *property) | |
cb471f14 | 178 | { |
9cc7d85e AH |
179 | if (ippdrv->dedicated || (!ipp_is_m2m_cmd(property->cmd) && |
180 | !pm_runtime_suspended(ippdrv->dev))) | |
181 | return -EBUSY; | |
cb471f14 | 182 | |
9cc7d85e AH |
183 | if (ippdrv->check_property && |
184 | ippdrv->check_property(ippdrv->dev, property)) | |
185 | return -EINVAL; | |
186 | ||
187 | return 0; | |
cb471f14 EK |
188 | } |
189 | ||
190 | static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx, | |
191 | struct drm_exynos_ipp_property *property) | |
192 | { | |
193 | struct exynos_drm_ippdrv *ippdrv; | |
194 | u32 ipp_id = property->ipp_id; | |
9cc7d85e | 195 | int ret; |
cb471f14 EK |
196 | |
197 | if (ipp_id) { | |
9cc7d85e | 198 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, ipp_id); |
134f0e9b | 199 | if (!ippdrv) { |
9cc7d85e | 200 | DRM_DEBUG("ipp%d driver not found\n", ipp_id); |
134f0e9b | 201 | return ERR_PTR(-ENODEV); |
cb471f14 EK |
202 | } |
203 | ||
9cc7d85e AH |
204 | ret = ipp_check_driver(ippdrv, property); |
205 | if (ret < 0) { | |
206 | DRM_DEBUG("ipp%d driver check error %d\n", ipp_id, ret); | |
207 | return ERR_PTR(ret); | |
cb471f14 EK |
208 | } |
209 | ||
210 | return ippdrv; | |
211 | } else { | |
cb471f14 | 212 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { |
9cc7d85e AH |
213 | ret = ipp_check_driver(ippdrv, property); |
214 | if (ret == 0) | |
215 | return ippdrv; | |
cb471f14 EK |
216 | } |
217 | ||
9cc7d85e | 218 | DRM_DEBUG("cannot find driver suitable for given property.\n"); |
cb471f14 EK |
219 | } |
220 | ||
221 | return ERR_PTR(-ENODEV); | |
222 | } | |
223 | ||
224 | static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id) | |
225 | { | |
226 | struct exynos_drm_ippdrv *ippdrv; | |
227 | struct drm_exynos_ipp_cmd_node *c_node; | |
228 | int count = 0; | |
229 | ||
cbc4c33d | 230 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 | 231 | |
cb471f14 EK |
232 | /* |
233 | * This case is search ipp driver by prop_id handle. | |
234 | * sometimes, ipp subsystem find driver by prop_id. | |
9fca9acf | 235 | * e.g PAUSE state, queue buf, command control. |
cb471f14 EK |
236 | */ |
237 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
cbc4c33d | 238 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", count++, (int)ippdrv); |
cb471f14 | 239 | |
7f5af059 YC |
240 | mutex_lock(&ippdrv->cmd_lock); |
241 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { | |
242 | if (c_node->property.prop_id == prop_id) { | |
243 | mutex_unlock(&ippdrv->cmd_lock); | |
c66ce40b | 244 | return ippdrv; |
7f5af059 | 245 | } |
cb471f14 | 246 | } |
7f5af059 | 247 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
248 | } |
249 | ||
250 | return ERR_PTR(-ENODEV); | |
251 | } | |
252 | ||
253 | int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, | |
254 | struct drm_file *file) | |
255 | { | |
256 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 257 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
258 | struct ipp_context *ctx = get_ipp_context(dev); |
259 | struct drm_exynos_ipp_prop_list *prop_list = data; | |
260 | struct exynos_drm_ippdrv *ippdrv; | |
261 | int count = 0; | |
262 | ||
cb471f14 EK |
263 | if (!ctx) { |
264 | DRM_ERROR("invalid context.\n"); | |
265 | return -EINVAL; | |
266 | } | |
267 | ||
268 | if (!prop_list) { | |
269 | DRM_ERROR("invalid property parameter.\n"); | |
270 | return -EINVAL; | |
271 | } | |
272 | ||
cbc4c33d | 273 | DRM_DEBUG_KMS("ipp_id[%d]\n", prop_list->ipp_id); |
cb471f14 EK |
274 | |
275 | if (!prop_list->ipp_id) { | |
276 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) | |
277 | count++; | |
7f5af059 | 278 | |
cb471f14 EK |
279 | /* |
280 | * Supports ippdrv list count for user application. | |
281 | * First step user application getting ippdrv count. | |
282 | * and second step getting ippdrv capability using ipp_id. | |
283 | */ | |
284 | prop_list->count = count; | |
285 | } else { | |
286 | /* | |
287 | * Getting ippdrv capability by ipp_id. | |
c6b78bc8 | 288 | * some device not supported wb, output interface. |
cb471f14 EK |
289 | * so, user application detect correct ipp driver |
290 | * using this ioctl. | |
291 | */ | |
292 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
293 | prop_list->ipp_id); | |
134f0e9b | 294 | if (!ippdrv) { |
cb471f14 EK |
295 | DRM_ERROR("not found ipp%d driver.\n", |
296 | prop_list->ipp_id); | |
134f0e9b | 297 | return -ENODEV; |
cb471f14 EK |
298 | } |
299 | ||
31646054 | 300 | *prop_list = ippdrv->prop_list; |
cb471f14 EK |
301 | } |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
306 | static void ipp_print_property(struct drm_exynos_ipp_property *property, | |
307 | int idx) | |
308 | { | |
309 | struct drm_exynos_ipp_config *config = &property->config[idx]; | |
310 | struct drm_exynos_pos *pos = &config->pos; | |
311 | struct drm_exynos_sz *sz = &config->sz; | |
312 | ||
cbc4c33d YC |
313 | DRM_DEBUG_KMS("prop_id[%d]ops[%s]fmt[0x%x]\n", |
314 | property->prop_id, idx ? "dst" : "src", config->fmt); | |
cb471f14 | 315 | |
cbc4c33d YC |
316 | DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n", |
317 | pos->x, pos->y, pos->w, pos->h, | |
cb471f14 EK |
318 | sz->hsize, sz->vsize, config->flip, config->degree); |
319 | } | |
320 | ||
321 | static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property) | |
322 | { | |
323 | struct exynos_drm_ippdrv *ippdrv; | |
324 | struct drm_exynos_ipp_cmd_node *c_node; | |
325 | u32 prop_id = property->prop_id; | |
326 | ||
cbc4c33d | 327 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 EK |
328 | |
329 | ippdrv = ipp_find_drv_by_handle(prop_id); | |
f0250458 | 330 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
331 | DRM_ERROR("failed to get ipp driver.\n"); |
332 | return -EINVAL; | |
333 | } | |
334 | ||
335 | /* | |
336 | * Find command node using command list in ippdrv. | |
337 | * when we find this command no using prop_id. | |
338 | * return property information set in this command node. | |
339 | */ | |
7f5af059 | 340 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
341 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { |
342 | if ((c_node->property.prop_id == prop_id) && | |
343 | (c_node->state == IPP_STATE_STOP)) { | |
7f5af059 | 344 | mutex_unlock(&ippdrv->cmd_lock); |
cbc4c33d YC |
345 | DRM_DEBUG_KMS("found cmd[%d]ippdrv[0x%x]\n", |
346 | property->cmd, (int)ippdrv); | |
cb471f14 EK |
347 | |
348 | c_node->property = *property; | |
349 | return 0; | |
350 | } | |
351 | } | |
7f5af059 | 352 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
353 | |
354 | DRM_ERROR("failed to search property.\n"); | |
355 | ||
356 | return -EINVAL; | |
357 | } | |
358 | ||
359 | static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) | |
360 | { | |
361 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
362 | ||
cb471f14 | 363 | cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); |
38bb5253 | 364 | if (!cmd_work) |
cb471f14 | 365 | return ERR_PTR(-ENOMEM); |
cb471f14 EK |
366 | |
367 | INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); | |
368 | ||
369 | return cmd_work; | |
370 | } | |
371 | ||
372 | static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) | |
373 | { | |
374 | struct drm_exynos_ipp_event_work *event_work; | |
375 | ||
cb471f14 | 376 | event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); |
38bb5253 | 377 | if (!event_work) |
cb471f14 | 378 | return ERR_PTR(-ENOMEM); |
cb471f14 | 379 | |
60b61c2f | 380 | INIT_WORK(&event_work->work, ipp_sched_event); |
cb471f14 EK |
381 | |
382 | return event_work; | |
383 | } | |
384 | ||
385 | int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, | |
386 | struct drm_file *file) | |
387 | { | |
388 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 389 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
390 | struct ipp_context *ctx = get_ipp_context(dev); |
391 | struct drm_exynos_ipp_property *property = data; | |
392 | struct exynos_drm_ippdrv *ippdrv; | |
393 | struct drm_exynos_ipp_cmd_node *c_node; | |
394 | int ret, i; | |
395 | ||
cb471f14 EK |
396 | if (!ctx) { |
397 | DRM_ERROR("invalid context.\n"); | |
398 | return -EINVAL; | |
399 | } | |
400 | ||
401 | if (!property) { | |
402 | DRM_ERROR("invalid property parameter.\n"); | |
403 | return -EINVAL; | |
404 | } | |
405 | ||
406 | /* | |
407 | * This is log print for user application property. | |
408 | * user application set various property. | |
409 | */ | |
410 | for_each_ipp_ops(i) | |
411 | ipp_print_property(property, i); | |
412 | ||
413 | /* | |
414 | * set property ioctl generated new prop_id. | |
415 | * but in this case already asigned prop_id using old set property. | |
416 | * e.g PAUSE state. this case supports find current prop_id and use it | |
417 | * instead of allocation. | |
418 | */ | |
419 | if (property->prop_id) { | |
cbc4c33d | 420 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
421 | return ipp_find_and_set_property(property); |
422 | } | |
423 | ||
424 | /* find ipp driver using ipp id */ | |
425 | ippdrv = ipp_find_driver(ctx, property); | |
f0250458 | 426 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
427 | DRM_ERROR("failed to get ipp driver.\n"); |
428 | return -EINVAL; | |
429 | } | |
430 | ||
431 | /* allocate command node */ | |
432 | c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); | |
38bb5253 | 433 | if (!c_node) |
cb471f14 | 434 | return -ENOMEM; |
cb471f14 | 435 | |
12ff54d2 AH |
436 | ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node); |
437 | if (ret < 0) { | |
cb471f14 EK |
438 | DRM_ERROR("failed to create id.\n"); |
439 | goto err_clear; | |
440 | } | |
12ff54d2 | 441 | property->prop_id = ret; |
cb471f14 | 442 | |
cbc4c33d YC |
443 | DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[0x%x]\n", |
444 | property->prop_id, property->cmd, (int)ippdrv); | |
cb471f14 EK |
445 | |
446 | /* stored property information and ippdrv in private data */ | |
5c76c5b1 | 447 | c_node->dev = dev; |
cb471f14 EK |
448 | c_node->property = *property; |
449 | c_node->state = IPP_STATE_IDLE; | |
945a0aad | 450 | c_node->filp = file; |
cb471f14 EK |
451 | |
452 | c_node->start_work = ipp_create_cmd_work(); | |
f0250458 | 453 | if (IS_ERR(c_node->start_work)) { |
cb471f14 | 454 | DRM_ERROR("failed to create start work.\n"); |
075436b0 | 455 | goto err_remove_id; |
cb471f14 EK |
456 | } |
457 | ||
458 | c_node->stop_work = ipp_create_cmd_work(); | |
f0250458 | 459 | if (IS_ERR(c_node->stop_work)) { |
cb471f14 EK |
460 | DRM_ERROR("failed to create stop work.\n"); |
461 | goto err_free_start; | |
462 | } | |
463 | ||
464 | c_node->event_work = ipp_create_event_work(); | |
f0250458 | 465 | if (IS_ERR(c_node->event_work)) { |
cb471f14 EK |
466 | DRM_ERROR("failed to create event work.\n"); |
467 | goto err_free_stop; | |
468 | } | |
469 | ||
4e4fe554 | 470 | mutex_init(&c_node->lock); |
cb471f14 EK |
471 | mutex_init(&c_node->mem_lock); |
472 | mutex_init(&c_node->event_lock); | |
473 | ||
474 | init_completion(&c_node->start_complete); | |
475 | init_completion(&c_node->stop_complete); | |
476 | ||
477 | for_each_ipp_ops(i) | |
478 | INIT_LIST_HEAD(&c_node->mem_list[i]); | |
479 | ||
480 | INIT_LIST_HEAD(&c_node->event_list); | |
7f5af059 | 481 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 | 482 | list_add_tail(&c_node->list, &ippdrv->cmd_list); |
7f5af059 | 483 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
484 | |
485 | /* make dedicated state without m2m */ | |
486 | if (!ipp_is_m2m_cmd(property->cmd)) | |
487 | ippdrv->dedicated = true; | |
488 | ||
489 | return 0; | |
490 | ||
491 | err_free_stop: | |
492 | kfree(c_node->stop_work); | |
493 | err_free_start: | |
494 | kfree(c_node->start_work); | |
075436b0 YC |
495 | err_remove_id: |
496 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, property->prop_id); | |
cb471f14 EK |
497 | err_clear: |
498 | kfree(c_node); | |
499 | return ret; | |
500 | } | |
501 | ||
075436b0 YC |
502 | static void ipp_clean_cmd_node(struct ipp_context *ctx, |
503 | struct drm_exynos_ipp_cmd_node *c_node) | |
cb471f14 | 504 | { |
6f7d48ea AH |
505 | /* cancel works */ |
506 | cancel_work_sync(&c_node->start_work->work); | |
507 | cancel_work_sync(&c_node->stop_work->work); | |
508 | cancel_work_sync(&c_node->event_work->work); | |
509 | ||
cb471f14 EK |
510 | /* delete list */ |
511 | list_del(&c_node->list); | |
512 | ||
075436b0 YC |
513 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, |
514 | c_node->property.prop_id); | |
515 | ||
cb471f14 | 516 | /* destroy mutex */ |
4e4fe554 | 517 | mutex_destroy(&c_node->lock); |
cb471f14 EK |
518 | mutex_destroy(&c_node->mem_lock); |
519 | mutex_destroy(&c_node->event_lock); | |
520 | ||
521 | /* free command node */ | |
522 | kfree(c_node->start_work); | |
523 | kfree(c_node->stop_work); | |
524 | kfree(c_node->event_work); | |
525 | kfree(c_node); | |
526 | } | |
527 | ||
fb5ee01c | 528 | static bool ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node) |
cb471f14 | 529 | { |
fb5ee01c AH |
530 | switch (c_node->property.cmd) { |
531 | case IPP_CMD_WB: | |
532 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
533 | case IPP_CMD_OUTPUT: | |
534 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]); | |
535 | case IPP_CMD_M2M: | |
536 | default: | |
537 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]) && | |
538 | !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
cb471f14 | 539 | } |
cb471f14 EK |
540 | } |
541 | ||
542 | static struct drm_exynos_ipp_mem_node | |
543 | *ipp_find_mem_node(struct drm_exynos_ipp_cmd_node *c_node, | |
544 | struct drm_exynos_ipp_queue_buf *qbuf) | |
545 | { | |
546 | struct drm_exynos_ipp_mem_node *m_node; | |
547 | struct list_head *head; | |
548 | int count = 0; | |
549 | ||
cbc4c33d | 550 | DRM_DEBUG_KMS("buf_id[%d]\n", qbuf->buf_id); |
cb471f14 EK |
551 | |
552 | /* source/destination memory list */ | |
553 | head = &c_node->mem_list[qbuf->ops_id]; | |
554 | ||
555 | /* find memory node from memory list */ | |
556 | list_for_each_entry(m_node, head, list) { | |
cbc4c33d | 557 | DRM_DEBUG_KMS("count[%d]m_node[0x%x]\n", count++, (int)m_node); |
cb471f14 EK |
558 | |
559 | /* compare buffer id */ | |
560 | if (m_node->buf_id == qbuf->buf_id) | |
561 | return m_node; | |
562 | } | |
563 | ||
564 | return NULL; | |
565 | } | |
566 | ||
567 | static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, | |
568 | struct drm_exynos_ipp_cmd_node *c_node, | |
569 | struct drm_exynos_ipp_mem_node *m_node) | |
570 | { | |
571 | struct exynos_drm_ipp_ops *ops = NULL; | |
572 | int ret = 0; | |
573 | ||
cbc4c33d | 574 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
575 | |
576 | if (!m_node) { | |
577 | DRM_ERROR("invalid queue node.\n"); | |
578 | return -EFAULT; | |
579 | } | |
580 | ||
cbc4c33d | 581 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
582 | |
583 | /* get operations callback */ | |
584 | ops = ippdrv->ops[m_node->ops_id]; | |
585 | if (!ops) { | |
586 | DRM_ERROR("not support ops.\n"); | |
220db6fe | 587 | return -EFAULT; |
cb471f14 EK |
588 | } |
589 | ||
590 | /* set address and enable irq */ | |
591 | if (ops->set_addr) { | |
592 | ret = ops->set_addr(ippdrv->dev, &m_node->buf_info, | |
593 | m_node->buf_id, IPP_BUF_ENQUEUE); | |
594 | if (ret) { | |
595 | DRM_ERROR("failed to set addr.\n"); | |
220db6fe | 596 | return ret; |
cb471f14 EK |
597 | } |
598 | } | |
599 | ||
cb471f14 EK |
600 | return ret; |
601 | } | |
602 | ||
603 | static struct drm_exynos_ipp_mem_node | |
604 | *ipp_get_mem_node(struct drm_device *drm_dev, | |
605 | struct drm_file *file, | |
606 | struct drm_exynos_ipp_cmd_node *c_node, | |
607 | struct drm_exynos_ipp_queue_buf *qbuf) | |
608 | { | |
609 | struct drm_exynos_ipp_mem_node *m_node; | |
73b00232 | 610 | struct drm_exynos_ipp_buf_info *buf_info; |
cb471f14 EK |
611 | int i; |
612 | ||
cb471f14 | 613 | m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); |
38bb5253 | 614 | if (!m_node) |
220db6fe | 615 | return ERR_PTR(-ENOMEM); |
cb471f14 | 616 | |
73b00232 | 617 | buf_info = &m_node->buf_info; |
cb471f14 EK |
618 | |
619 | /* operations, buffer id */ | |
620 | m_node->ops_id = qbuf->ops_id; | |
621 | m_node->prop_id = qbuf->prop_id; | |
622 | m_node->buf_id = qbuf->buf_id; | |
623 | ||
cbc4c33d YC |
624 | DRM_DEBUG_KMS("m_node[0x%x]ops_id[%d]\n", (int)m_node, qbuf->ops_id); |
625 | DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); | |
cb471f14 EK |
626 | |
627 | for_each_ipp_planar(i) { | |
cbc4c33d | 628 | DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]); |
cb471f14 EK |
629 | |
630 | /* get dma address by handle */ | |
631 | if (qbuf->handle[i]) { | |
a8ea17f6 AH |
632 | dma_addr_t *addr; |
633 | ||
cb471f14 EK |
634 | addr = exynos_drm_gem_get_dma_addr(drm_dev, |
635 | qbuf->handle[i], file); | |
636 | if (IS_ERR(addr)) { | |
637 | DRM_ERROR("failed to get addr.\n"); | |
638 | goto err_clear; | |
639 | } | |
640 | ||
73b00232 AH |
641 | buf_info->handles[i] = qbuf->handle[i]; |
642 | buf_info->base[i] = *addr; | |
643 | DRM_DEBUG_KMS("i[%d]base[0x%x]hd[0x%lx]\n", i, | |
644 | buf_info->base[i], buf_info->handles[i]); | |
cb471f14 EK |
645 | } |
646 | } | |
647 | ||
220db6fe | 648 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 649 | list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]); |
cb471f14 | 650 | mutex_unlock(&c_node->mem_lock); |
220db6fe | 651 | |
cb471f14 EK |
652 | return m_node; |
653 | ||
654 | err_clear: | |
655 | kfree(m_node); | |
cb471f14 EK |
656 | return ERR_PTR(-EFAULT); |
657 | } | |
658 | ||
659 | static int ipp_put_mem_node(struct drm_device *drm_dev, | |
660 | struct drm_exynos_ipp_cmd_node *c_node, | |
661 | struct drm_exynos_ipp_mem_node *m_node) | |
662 | { | |
663 | int i; | |
664 | ||
cbc4c33d | 665 | DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); |
cb471f14 EK |
666 | |
667 | if (!m_node) { | |
668 | DRM_ERROR("invalid dequeue node.\n"); | |
669 | return -EFAULT; | |
670 | } | |
671 | ||
cbc4c33d | 672 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
673 | |
674 | /* put gem buffer */ | |
675 | for_each_ipp_planar(i) { | |
676 | unsigned long handle = m_node->buf_info.handles[i]; | |
677 | if (handle) | |
678 | exynos_drm_gem_put_dma_addr(drm_dev, handle, | |
945a0aad | 679 | c_node->filp); |
cb471f14 EK |
680 | } |
681 | ||
682 | /* delete list in queue */ | |
683 | list_del(&m_node->list); | |
684 | kfree(m_node); | |
685 | ||
cb471f14 EK |
686 | return 0; |
687 | } | |
688 | ||
689 | static void ipp_free_event(struct drm_pending_event *event) | |
690 | { | |
691 | kfree(event); | |
692 | } | |
693 | ||
694 | static int ipp_get_event(struct drm_device *drm_dev, | |
695 | struct drm_file *file, | |
696 | struct drm_exynos_ipp_cmd_node *c_node, | |
697 | struct drm_exynos_ipp_queue_buf *qbuf) | |
698 | { | |
699 | struct drm_exynos_ipp_send_event *e; | |
700 | unsigned long flags; | |
701 | ||
cbc4c33d | 702 | DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id); |
cb471f14 EK |
703 | |
704 | e = kzalloc(sizeof(*e), GFP_KERNEL); | |
cb471f14 | 705 | if (!e) { |
cb471f14 EK |
706 | spin_lock_irqsave(&drm_dev->event_lock, flags); |
707 | file->event_space += sizeof(e->event); | |
708 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
709 | return -ENOMEM; | |
710 | } | |
711 | ||
712 | /* make event */ | |
713 | e->event.base.type = DRM_EXYNOS_IPP_EVENT; | |
714 | e->event.base.length = sizeof(e->event); | |
715 | e->event.user_data = qbuf->user_data; | |
716 | e->event.prop_id = qbuf->prop_id; | |
717 | e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id; | |
718 | e->base.event = &e->event.base; | |
719 | e->base.file_priv = file; | |
720 | e->base.destroy = ipp_free_event; | |
4d520767 | 721 | mutex_lock(&c_node->event_lock); |
cb471f14 | 722 | list_add_tail(&e->base.link, &c_node->event_list); |
4d520767 | 723 | mutex_unlock(&c_node->event_lock); |
cb471f14 EK |
724 | |
725 | return 0; | |
726 | } | |
727 | ||
728 | static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, | |
729 | struct drm_exynos_ipp_queue_buf *qbuf) | |
730 | { | |
731 | struct drm_exynos_ipp_send_event *e, *te; | |
732 | int count = 0; | |
733 | ||
4d520767 | 734 | mutex_lock(&c_node->event_lock); |
cb471f14 | 735 | list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { |
cbc4c33d | 736 | DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); |
cb471f14 EK |
737 | |
738 | /* | |
4fe25b82 | 739 | * qbuf == NULL condition means all event deletion. |
cb471f14 EK |
740 | * stop operations want to delete all event list. |
741 | * another case delete only same buf id. | |
742 | */ | |
743 | if (!qbuf) { | |
744 | /* delete list */ | |
745 | list_del(&e->base.link); | |
746 | kfree(e); | |
747 | } | |
748 | ||
749 | /* compare buffer id */ | |
750 | if (qbuf && (qbuf->buf_id == | |
751 | e->event.buf_id[EXYNOS_DRM_OPS_DST])) { | |
752 | /* delete list */ | |
753 | list_del(&e->base.link); | |
754 | kfree(e); | |
4d520767 | 755 | goto out_unlock; |
cb471f14 EK |
756 | } |
757 | } | |
4d520767 YC |
758 | |
759 | out_unlock: | |
760 | mutex_unlock(&c_node->event_lock); | |
761 | return; | |
cb471f14 EK |
762 | } |
763 | ||
0bc4a0aa | 764 | static void ipp_handle_cmd_work(struct device *dev, |
cb471f14 EK |
765 | struct exynos_drm_ippdrv *ippdrv, |
766 | struct drm_exynos_ipp_cmd_work *cmd_work, | |
767 | struct drm_exynos_ipp_cmd_node *c_node) | |
768 | { | |
769 | struct ipp_context *ctx = get_ipp_context(dev); | |
770 | ||
771 | cmd_work->ippdrv = ippdrv; | |
772 | cmd_work->c_node = c_node; | |
773 | queue_work(ctx->cmd_workq, (struct work_struct *)cmd_work); | |
774 | } | |
775 | ||
776 | static int ipp_queue_buf_with_run(struct device *dev, | |
777 | struct drm_exynos_ipp_cmd_node *c_node, | |
778 | struct drm_exynos_ipp_mem_node *m_node, | |
779 | struct drm_exynos_ipp_queue_buf *qbuf) | |
780 | { | |
781 | struct exynos_drm_ippdrv *ippdrv; | |
782 | struct drm_exynos_ipp_property *property; | |
783 | struct exynos_drm_ipp_ops *ops; | |
784 | int ret; | |
785 | ||
cb471f14 | 786 | ippdrv = ipp_find_drv_by_handle(qbuf->prop_id); |
f0250458 | 787 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
788 | DRM_ERROR("failed to get ipp driver.\n"); |
789 | return -EFAULT; | |
790 | } | |
791 | ||
792 | ops = ippdrv->ops[qbuf->ops_id]; | |
793 | if (!ops) { | |
794 | DRM_ERROR("failed to get ops.\n"); | |
795 | return -EFAULT; | |
796 | } | |
797 | ||
798 | property = &c_node->property; | |
799 | ||
800 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d | 801 | DRM_DEBUG_KMS("bypass for invalid state.\n"); |
cb471f14 EK |
802 | return 0; |
803 | } | |
804 | ||
220db6fe | 805 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 806 | if (!ipp_check_mem_list(c_node)) { |
220db6fe | 807 | mutex_unlock(&c_node->mem_lock); |
cbc4c33d | 808 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
809 | return 0; |
810 | } | |
811 | ||
812 | /* | |
813 | * If set destination buffer and enabled clock, | |
814 | * then m2m operations need start operations at queue_buf | |
815 | */ | |
816 | if (ipp_is_m2m_cmd(property->cmd)) { | |
817 | struct drm_exynos_ipp_cmd_work *cmd_work = c_node->start_work; | |
818 | ||
819 | cmd_work->ctrl = IPP_CTRL_PLAY; | |
820 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
821 | } else { | |
822 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
823 | if (ret) { | |
220db6fe | 824 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
825 | DRM_ERROR("failed to set m node.\n"); |
826 | return ret; | |
827 | } | |
828 | } | |
220db6fe | 829 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
830 | |
831 | return 0; | |
832 | } | |
833 | ||
834 | static void ipp_clean_queue_buf(struct drm_device *drm_dev, | |
835 | struct drm_exynos_ipp_cmd_node *c_node, | |
836 | struct drm_exynos_ipp_queue_buf *qbuf) | |
837 | { | |
838 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
839 | ||
c66ce40b | 840 | /* delete list */ |
220db6fe | 841 | mutex_lock(&c_node->mem_lock); |
c66ce40b YC |
842 | list_for_each_entry_safe(m_node, tm_node, |
843 | &c_node->mem_list[qbuf->ops_id], list) { | |
844 | if (m_node->buf_id == qbuf->buf_id && | |
845 | m_node->ops_id == qbuf->ops_id) | |
846 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
cb471f14 | 847 | } |
220db6fe | 848 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
849 | } |
850 | ||
851 | int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, | |
852 | struct drm_file *file) | |
853 | { | |
854 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 855 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
856 | struct ipp_context *ctx = get_ipp_context(dev); |
857 | struct drm_exynos_ipp_queue_buf *qbuf = data; | |
858 | struct drm_exynos_ipp_cmd_node *c_node; | |
859 | struct drm_exynos_ipp_mem_node *m_node; | |
860 | int ret; | |
861 | ||
cb471f14 EK |
862 | if (!qbuf) { |
863 | DRM_ERROR("invalid buf parameter.\n"); | |
864 | return -EINVAL; | |
865 | } | |
866 | ||
867 | if (qbuf->ops_id >= EXYNOS_DRM_OPS_MAX) { | |
868 | DRM_ERROR("invalid ops parameter.\n"); | |
869 | return -EINVAL; | |
870 | } | |
871 | ||
cbc4c33d YC |
872 | DRM_DEBUG_KMS("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n", |
873 | qbuf->prop_id, qbuf->ops_id ? "dst" : "src", | |
cb471f14 EK |
874 | qbuf->buf_id, qbuf->buf_type); |
875 | ||
876 | /* find command node */ | |
877 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
878 | qbuf->prop_id); | |
134f0e9b | 879 | if (!c_node) { |
cb471f14 | 880 | DRM_ERROR("failed to get command node.\n"); |
134f0e9b | 881 | return -ENODEV; |
cb471f14 EK |
882 | } |
883 | ||
884 | /* buffer control */ | |
885 | switch (qbuf->buf_type) { | |
886 | case IPP_BUF_ENQUEUE: | |
887 | /* get memory node */ | |
888 | m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf); | |
889 | if (IS_ERR(m_node)) { | |
890 | DRM_ERROR("failed to get m_node.\n"); | |
891 | return PTR_ERR(m_node); | |
892 | } | |
893 | ||
894 | /* | |
895 | * first step get event for destination buffer. | |
896 | * and second step when M2M case run with destination buffer | |
897 | * if needed. | |
898 | */ | |
899 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) { | |
900 | /* get event for destination buffer */ | |
901 | ret = ipp_get_event(drm_dev, file, c_node, qbuf); | |
902 | if (ret) { | |
903 | DRM_ERROR("failed to get event.\n"); | |
904 | goto err_clean_node; | |
905 | } | |
906 | ||
907 | /* | |
908 | * M2M case run play control for streaming feature. | |
909 | * other case set address and waiting. | |
910 | */ | |
911 | ret = ipp_queue_buf_with_run(dev, c_node, m_node, qbuf); | |
912 | if (ret) { | |
913 | DRM_ERROR("failed to run command.\n"); | |
914 | goto err_clean_node; | |
915 | } | |
916 | } | |
917 | break; | |
918 | case IPP_BUF_DEQUEUE: | |
4e4fe554 | 919 | mutex_lock(&c_node->lock); |
cb471f14 EK |
920 | |
921 | /* put event for destination buffer */ | |
922 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) | |
923 | ipp_put_event(c_node, qbuf); | |
924 | ||
925 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
926 | ||
4e4fe554 | 927 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
928 | break; |
929 | default: | |
930 | DRM_ERROR("invalid buffer control.\n"); | |
931 | return -EINVAL; | |
932 | } | |
933 | ||
934 | return 0; | |
935 | ||
936 | err_clean_node: | |
937 | DRM_ERROR("clean memory nodes.\n"); | |
938 | ||
939 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
940 | return ret; | |
941 | } | |
942 | ||
943 | static bool exynos_drm_ipp_check_valid(struct device *dev, | |
944 | enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state) | |
945 | { | |
cb471f14 EK |
946 | if (ctrl != IPP_CTRL_PLAY) { |
947 | if (pm_runtime_suspended(dev)) { | |
948 | DRM_ERROR("pm:runtime_suspended.\n"); | |
949 | goto err_status; | |
950 | } | |
951 | } | |
952 | ||
953 | switch (ctrl) { | |
954 | case IPP_CTRL_PLAY: | |
955 | if (state != IPP_STATE_IDLE) | |
956 | goto err_status; | |
957 | break; | |
958 | case IPP_CTRL_STOP: | |
959 | if (state == IPP_STATE_STOP) | |
960 | goto err_status; | |
961 | break; | |
962 | case IPP_CTRL_PAUSE: | |
963 | if (state != IPP_STATE_START) | |
964 | goto err_status; | |
965 | break; | |
966 | case IPP_CTRL_RESUME: | |
967 | if (state != IPP_STATE_STOP) | |
968 | goto err_status; | |
969 | break; | |
970 | default: | |
971 | DRM_ERROR("invalid state.\n"); | |
972 | goto err_status; | |
cb471f14 EK |
973 | } |
974 | ||
975 | return true; | |
976 | ||
977 | err_status: | |
978 | DRM_ERROR("invalid status:ctrl[%d]state[%d]\n", ctrl, state); | |
979 | return false; | |
980 | } | |
981 | ||
982 | int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, | |
983 | struct drm_file *file) | |
984 | { | |
985 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 986 | struct exynos_drm_ippdrv *ippdrv = NULL; |
5c76c5b1 | 987 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
988 | struct ipp_context *ctx = get_ipp_context(dev); |
989 | struct drm_exynos_ipp_cmd_ctrl *cmd_ctrl = data; | |
990 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
991 | struct drm_exynos_ipp_cmd_node *c_node; | |
992 | ||
cb471f14 EK |
993 | if (!ctx) { |
994 | DRM_ERROR("invalid context.\n"); | |
995 | return -EINVAL; | |
996 | } | |
997 | ||
998 | if (!cmd_ctrl) { | |
999 | DRM_ERROR("invalid control parameter.\n"); | |
1000 | return -EINVAL; | |
1001 | } | |
1002 | ||
cbc4c33d | 1003 | DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1004 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1005 | ||
1006 | ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id); | |
1007 | if (IS_ERR(ippdrv)) { | |
1008 | DRM_ERROR("failed to get ipp driver.\n"); | |
1009 | return PTR_ERR(ippdrv); | |
1010 | } | |
1011 | ||
1012 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
1013 | cmd_ctrl->prop_id); | |
134f0e9b | 1014 | if (!c_node) { |
cb471f14 | 1015 | DRM_ERROR("invalid command node list.\n"); |
134f0e9b | 1016 | return -ENODEV; |
cb471f14 EK |
1017 | } |
1018 | ||
1019 | if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl, | |
1020 | c_node->state)) { | |
1021 | DRM_ERROR("invalid state.\n"); | |
1022 | return -EINVAL; | |
1023 | } | |
1024 | ||
1025 | switch (cmd_ctrl->ctrl) { | |
1026 | case IPP_CTRL_PLAY: | |
1027 | if (pm_runtime_suspended(ippdrv->dev)) | |
1028 | pm_runtime_get_sync(ippdrv->dev); | |
ebaf05c8 | 1029 | |
cb471f14 EK |
1030 | c_node->state = IPP_STATE_START; |
1031 | ||
1032 | cmd_work = c_node->start_work; | |
1033 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1034 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
cb471f14 EK |
1035 | break; |
1036 | case IPP_CTRL_STOP: | |
1037 | cmd_work = c_node->stop_work; | |
1038 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1039 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1040 | ||
1041 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1042 | msecs_to_jiffies(300))) { | |
1043 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1044 | c_node->property.prop_id); | |
1045 | } | |
1046 | ||
1047 | c_node->state = IPP_STATE_STOP; | |
1048 | ippdrv->dedicated = false; | |
7f5af059 | 1049 | mutex_lock(&ippdrv->cmd_lock); |
075436b0 | 1050 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1051 | |
1052 | if (list_empty(&ippdrv->cmd_list)) | |
1053 | pm_runtime_put_sync(ippdrv->dev); | |
7f5af059 | 1054 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1055 | break; |
1056 | case IPP_CTRL_PAUSE: | |
1057 | cmd_work = c_node->stop_work; | |
1058 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1059 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1060 | ||
1061 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1062 | msecs_to_jiffies(200))) { | |
1063 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1064 | c_node->property.prop_id); | |
1065 | } | |
1066 | ||
1067 | c_node->state = IPP_STATE_STOP; | |
1068 | break; | |
1069 | case IPP_CTRL_RESUME: | |
1070 | c_node->state = IPP_STATE_START; | |
1071 | cmd_work = c_node->start_work; | |
1072 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1073 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1074 | break; | |
1075 | default: | |
1076 | DRM_ERROR("could not support this state currently.\n"); | |
1077 | return -EINVAL; | |
1078 | } | |
1079 | ||
cbc4c33d | 1080 | DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1081 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1082 | ||
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | int exynos_drm_ippnb_register(struct notifier_block *nb) | |
1087 | { | |
1088 | return blocking_notifier_chain_register( | |
1089 | &exynos_drm_ippnb_list, nb); | |
1090 | } | |
1091 | ||
1092 | int exynos_drm_ippnb_unregister(struct notifier_block *nb) | |
1093 | { | |
1094 | return blocking_notifier_chain_unregister( | |
1095 | &exynos_drm_ippnb_list, nb); | |
1096 | } | |
1097 | ||
1098 | int exynos_drm_ippnb_send_event(unsigned long val, void *v) | |
1099 | { | |
1100 | return blocking_notifier_call_chain( | |
1101 | &exynos_drm_ippnb_list, val, v); | |
1102 | } | |
1103 | ||
1104 | static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv, | |
1105 | struct drm_exynos_ipp_property *property) | |
1106 | { | |
1107 | struct exynos_drm_ipp_ops *ops = NULL; | |
1108 | bool swap = false; | |
1109 | int ret, i; | |
1110 | ||
1111 | if (!property) { | |
1112 | DRM_ERROR("invalid property parameter.\n"); | |
1113 | return -EINVAL; | |
1114 | } | |
1115 | ||
cbc4c33d | 1116 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1117 | |
1118 | /* reset h/w block */ | |
1119 | if (ippdrv->reset && | |
1120 | ippdrv->reset(ippdrv->dev)) { | |
cb471f14 EK |
1121 | return -EINVAL; |
1122 | } | |
1123 | ||
1124 | /* set source,destination operations */ | |
1125 | for_each_ipp_ops(i) { | |
1126 | struct drm_exynos_ipp_config *config = | |
1127 | &property->config[i]; | |
1128 | ||
1129 | ops = ippdrv->ops[i]; | |
1130 | if (!ops || !config) { | |
1131 | DRM_ERROR("not support ops and config.\n"); | |
1132 | return -EINVAL; | |
1133 | } | |
1134 | ||
1135 | /* set format */ | |
1136 | if (ops->set_fmt) { | |
1137 | ret = ops->set_fmt(ippdrv->dev, config->fmt); | |
57ace335 | 1138 | if (ret) |
cb471f14 | 1139 | return ret; |
cb471f14 EK |
1140 | } |
1141 | ||
1142 | /* set transform for rotation, flip */ | |
1143 | if (ops->set_transf) { | |
1144 | ret = ops->set_transf(ippdrv->dev, config->degree, | |
1145 | config->flip, &swap); | |
57ace335 AH |
1146 | if (ret) |
1147 | return ret; | |
cb471f14 EK |
1148 | } |
1149 | ||
1150 | /* set size */ | |
1151 | if (ops->set_size) { | |
1152 | ret = ops->set_size(ippdrv->dev, swap, &config->pos, | |
1153 | &config->sz); | |
57ace335 | 1154 | if (ret) |
cb471f14 | 1155 | return ret; |
cb471f14 EK |
1156 | } |
1157 | } | |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
1162 | static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, | |
1163 | struct drm_exynos_ipp_cmd_node *c_node) | |
1164 | { | |
1165 | struct drm_exynos_ipp_mem_node *m_node; | |
1166 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1167 | struct list_head *head; | |
1168 | int ret, i; | |
1169 | ||
cbc4c33d | 1170 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1171 | |
1172 | /* store command info in ippdrv */ | |
7259c3d6 | 1173 | ippdrv->c_node = c_node; |
cb471f14 | 1174 | |
220db6fe | 1175 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1176 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1177 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1178 | ret = -ENOMEM; |
1179 | goto err_unlock; | |
cb471f14 EK |
1180 | } |
1181 | ||
1182 | /* set current property in ippdrv */ | |
1183 | ret = ipp_set_property(ippdrv, property); | |
1184 | if (ret) { | |
1185 | DRM_ERROR("failed to set property.\n"); | |
7259c3d6 | 1186 | ippdrv->c_node = NULL; |
220db6fe | 1187 | goto err_unlock; |
cb471f14 EK |
1188 | } |
1189 | ||
1190 | /* check command */ | |
1191 | switch (property->cmd) { | |
1192 | case IPP_CMD_M2M: | |
1193 | for_each_ipp_ops(i) { | |
1194 | /* source/destination memory list */ | |
1195 | head = &c_node->mem_list[i]; | |
1196 | ||
1197 | m_node = list_first_entry(head, | |
1198 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 | 1199 | |
cbc4c33d | 1200 | DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node); |
cb471f14 EK |
1201 | |
1202 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1203 | if (ret) { | |
1204 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1205 | goto err_unlock; |
cb471f14 EK |
1206 | } |
1207 | } | |
1208 | break; | |
1209 | case IPP_CMD_WB: | |
1210 | /* destination memory list */ | |
1211 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1212 | ||
1213 | list_for_each_entry(m_node, head, list) { | |
1214 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1215 | if (ret) { | |
1216 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1217 | goto err_unlock; |
cb471f14 EK |
1218 | } |
1219 | } | |
1220 | break; | |
1221 | case IPP_CMD_OUTPUT: | |
1222 | /* source memory list */ | |
1223 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1224 | ||
1225 | list_for_each_entry(m_node, head, list) { | |
1226 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1227 | if (ret) { | |
1228 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1229 | goto err_unlock; |
cb471f14 EK |
1230 | } |
1231 | } | |
1232 | break; | |
1233 | default: | |
1234 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1235 | ret = -EINVAL; |
1236 | goto err_unlock; | |
cb471f14 | 1237 | } |
220db6fe | 1238 | mutex_unlock(&c_node->mem_lock); |
cb471f14 | 1239 | |
cbc4c33d | 1240 | DRM_DEBUG_KMS("cmd[%d]\n", property->cmd); |
cb471f14 EK |
1241 | |
1242 | /* start operations */ | |
1243 | if (ippdrv->start) { | |
1244 | ret = ippdrv->start(ippdrv->dev, property->cmd); | |
1245 | if (ret) { | |
1246 | DRM_ERROR("failed to start ops.\n"); | |
220db6fe | 1247 | ippdrv->c_node = NULL; |
cb471f14 EK |
1248 | return ret; |
1249 | } | |
1250 | } | |
1251 | ||
1252 | return 0; | |
220db6fe YC |
1253 | |
1254 | err_unlock: | |
1255 | mutex_unlock(&c_node->mem_lock); | |
1256 | ippdrv->c_node = NULL; | |
1257 | return ret; | |
cb471f14 EK |
1258 | } |
1259 | ||
1260 | static int ipp_stop_property(struct drm_device *drm_dev, | |
1261 | struct exynos_drm_ippdrv *ippdrv, | |
1262 | struct drm_exynos_ipp_cmd_node *c_node) | |
1263 | { | |
1264 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
1265 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1266 | struct list_head *head; | |
1267 | int ret = 0, i; | |
1268 | ||
cbc4c33d | 1269 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1270 | |
1271 | /* put event */ | |
1272 | ipp_put_event(c_node, NULL); | |
1273 | ||
220db6fe YC |
1274 | mutex_lock(&c_node->mem_lock); |
1275 | ||
cb471f14 EK |
1276 | /* check command */ |
1277 | switch (property->cmd) { | |
1278 | case IPP_CMD_M2M: | |
1279 | for_each_ipp_ops(i) { | |
1280 | /* source/destination memory list */ | |
1281 | head = &c_node->mem_list[i]; | |
1282 | ||
cb471f14 EK |
1283 | list_for_each_entry_safe(m_node, tm_node, |
1284 | head, list) { | |
1285 | ret = ipp_put_mem_node(drm_dev, c_node, | |
1286 | m_node); | |
1287 | if (ret) { | |
1288 | DRM_ERROR("failed to put m_node.\n"); | |
1289 | goto err_clear; | |
1290 | } | |
1291 | } | |
1292 | } | |
1293 | break; | |
1294 | case IPP_CMD_WB: | |
1295 | /* destination memory list */ | |
1296 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1297 | ||
cb471f14 EK |
1298 | list_for_each_entry_safe(m_node, tm_node, head, list) { |
1299 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1300 | if (ret) { | |
1301 | DRM_ERROR("failed to put m_node.\n"); | |
1302 | goto err_clear; | |
1303 | } | |
1304 | } | |
1305 | break; | |
1306 | case IPP_CMD_OUTPUT: | |
1307 | /* source memory list */ | |
1308 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1309 | ||
cb471f14 EK |
1310 | list_for_each_entry_safe(m_node, tm_node, head, list) { |
1311 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1312 | if (ret) { | |
1313 | DRM_ERROR("failed to put m_node.\n"); | |
1314 | goto err_clear; | |
1315 | } | |
1316 | } | |
1317 | break; | |
1318 | default: | |
1319 | DRM_ERROR("invalid operations.\n"); | |
1320 | ret = -EINVAL; | |
1321 | goto err_clear; | |
1322 | } | |
1323 | ||
1324 | err_clear: | |
220db6fe YC |
1325 | mutex_unlock(&c_node->mem_lock); |
1326 | ||
cb471f14 EK |
1327 | /* stop operations */ |
1328 | if (ippdrv->stop) | |
1329 | ippdrv->stop(ippdrv->dev, property->cmd); | |
1330 | ||
1331 | return ret; | |
1332 | } | |
1333 | ||
1334 | void ipp_sched_cmd(struct work_struct *work) | |
1335 | { | |
1336 | struct drm_exynos_ipp_cmd_work *cmd_work = | |
1337 | (struct drm_exynos_ipp_cmd_work *)work; | |
1338 | struct exynos_drm_ippdrv *ippdrv; | |
1339 | struct drm_exynos_ipp_cmd_node *c_node; | |
1340 | struct drm_exynos_ipp_property *property; | |
1341 | int ret; | |
1342 | ||
cb471f14 EK |
1343 | ippdrv = cmd_work->ippdrv; |
1344 | if (!ippdrv) { | |
1345 | DRM_ERROR("invalid ippdrv list.\n"); | |
1346 | return; | |
1347 | } | |
1348 | ||
1349 | c_node = cmd_work->c_node; | |
1350 | if (!c_node) { | |
1351 | DRM_ERROR("invalid command node list.\n"); | |
1352 | return; | |
1353 | } | |
1354 | ||
4e4fe554 | 1355 | mutex_lock(&c_node->lock); |
cb471f14 EK |
1356 | |
1357 | property = &c_node->property; | |
cb471f14 EK |
1358 | |
1359 | switch (cmd_work->ctrl) { | |
1360 | case IPP_CTRL_PLAY: | |
1361 | case IPP_CTRL_RESUME: | |
1362 | ret = ipp_start_property(ippdrv, c_node); | |
1363 | if (ret) { | |
1364 | DRM_ERROR("failed to start property:prop_id[%d]\n", | |
1365 | c_node->property.prop_id); | |
1366 | goto err_unlock; | |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * M2M case supports wait_completion of transfer. | |
1371 | * because M2M case supports single unit operation | |
1372 | * with multiple queue. | |
1373 | * M2M need to wait completion of data transfer. | |
1374 | */ | |
1375 | if (ipp_is_m2m_cmd(property->cmd)) { | |
1376 | if (!wait_for_completion_timeout | |
1377 | (&c_node->start_complete, msecs_to_jiffies(200))) { | |
1378 | DRM_ERROR("timeout event:prop_id[%d]\n", | |
1379 | c_node->property.prop_id); | |
1380 | goto err_unlock; | |
1381 | } | |
1382 | } | |
1383 | break; | |
1384 | case IPP_CTRL_STOP: | |
1385 | case IPP_CTRL_PAUSE: | |
1386 | ret = ipp_stop_property(ippdrv->drm_dev, ippdrv, | |
1387 | c_node); | |
1388 | if (ret) { | |
1389 | DRM_ERROR("failed to stop property.\n"); | |
1390 | goto err_unlock; | |
1391 | } | |
1392 | ||
1393 | complete(&c_node->stop_complete); | |
1394 | break; | |
1395 | default: | |
1396 | DRM_ERROR("unknown control type\n"); | |
1397 | break; | |
1398 | } | |
1399 | ||
cbc4c33d | 1400 | DRM_DEBUG_KMS("ctrl[%d] done.\n", cmd_work->ctrl); |
cb471f14 EK |
1401 | |
1402 | err_unlock: | |
4e4fe554 | 1403 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
1404 | } |
1405 | ||
1406 | static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv, | |
1407 | struct drm_exynos_ipp_cmd_node *c_node, int *buf_id) | |
1408 | { | |
1409 | struct drm_device *drm_dev = ippdrv->drm_dev; | |
1410 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1411 | struct drm_exynos_ipp_mem_node *m_node; | |
1412 | struct drm_exynos_ipp_queue_buf qbuf; | |
1413 | struct drm_exynos_ipp_send_event *e; | |
1414 | struct list_head *head; | |
1415 | struct timeval now; | |
1416 | unsigned long flags; | |
1417 | u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, }; | |
1418 | int ret, i; | |
1419 | ||
1420 | for_each_ipp_ops(i) | |
cbc4c33d | 1421 | DRM_DEBUG_KMS("%s buf_id[%d]\n", i ? "dst" : "src", buf_id[i]); |
cb471f14 EK |
1422 | |
1423 | if (!drm_dev) { | |
1424 | DRM_ERROR("failed to get drm_dev.\n"); | |
1425 | return -EINVAL; | |
1426 | } | |
1427 | ||
1428 | if (!property) { | |
1429 | DRM_ERROR("failed to get property.\n"); | |
1430 | return -EINVAL; | |
1431 | } | |
1432 | ||
4d520767 | 1433 | mutex_lock(&c_node->event_lock); |
cb471f14 | 1434 | if (list_empty(&c_node->event_list)) { |
cbc4c33d | 1435 | DRM_DEBUG_KMS("event list is empty.\n"); |
4d520767 YC |
1436 | ret = 0; |
1437 | goto err_event_unlock; | |
cb471f14 EK |
1438 | } |
1439 | ||
220db6fe | 1440 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1441 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1442 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1443 | ret = 0; |
1444 | goto err_mem_unlock; | |
cb471f14 EK |
1445 | } |
1446 | ||
1447 | /* check command */ | |
1448 | switch (property->cmd) { | |
1449 | case IPP_CMD_M2M: | |
1450 | for_each_ipp_ops(i) { | |
1451 | /* source/destination memory list */ | |
1452 | head = &c_node->mem_list[i]; | |
1453 | ||
1454 | m_node = list_first_entry(head, | |
1455 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1456 | |
1457 | tbuf_id[i] = m_node->buf_id; | |
cbc4c33d | 1458 | DRM_DEBUG_KMS("%s buf_id[%d]\n", |
cb471f14 EK |
1459 | i ? "dst" : "src", tbuf_id[i]); |
1460 | ||
1461 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1462 | if (ret) | |
1463 | DRM_ERROR("failed to put m_node.\n"); | |
1464 | } | |
1465 | break; | |
1466 | case IPP_CMD_WB: | |
1467 | /* clear buf for finding */ | |
1468 | memset(&qbuf, 0x0, sizeof(qbuf)); | |
1469 | qbuf.ops_id = EXYNOS_DRM_OPS_DST; | |
1470 | qbuf.buf_id = buf_id[EXYNOS_DRM_OPS_DST]; | |
1471 | ||
1472 | /* get memory node entry */ | |
1473 | m_node = ipp_find_mem_node(c_node, &qbuf); | |
1474 | if (!m_node) { | |
1475 | DRM_ERROR("empty memory node.\n"); | |
220db6fe YC |
1476 | ret = -ENOMEM; |
1477 | goto err_mem_unlock; | |
cb471f14 EK |
1478 | } |
1479 | ||
1480 | tbuf_id[EXYNOS_DRM_OPS_DST] = m_node->buf_id; | |
1481 | ||
1482 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1483 | if (ret) | |
1484 | DRM_ERROR("failed to put m_node.\n"); | |
1485 | break; | |
1486 | case IPP_CMD_OUTPUT: | |
1487 | /* source memory list */ | |
1488 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1489 | ||
1490 | m_node = list_first_entry(head, | |
1491 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1492 | |
1493 | tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id; | |
1494 | ||
1495 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1496 | if (ret) | |
1497 | DRM_ERROR("failed to put m_node.\n"); | |
1498 | break; | |
1499 | default: | |
1500 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1501 | ret = -EINVAL; |
1502 | goto err_mem_unlock; | |
cb471f14 | 1503 | } |
220db6fe | 1504 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
1505 | |
1506 | if (tbuf_id[EXYNOS_DRM_OPS_DST] != buf_id[EXYNOS_DRM_OPS_DST]) | |
1507 | DRM_ERROR("failed to match buf_id[%d %d]prop_id[%d]\n", | |
1508 | tbuf_id[1], buf_id[1], property->prop_id); | |
1509 | ||
1510 | /* | |
1511 | * command node have event list of destination buffer | |
1512 | * If destination buffer enqueue to mem list, | |
1513 | * then we make event and link to event list tail. | |
1514 | * so, we get first event for first enqueued buffer. | |
1515 | */ | |
1516 | e = list_first_entry(&c_node->event_list, | |
1517 | struct drm_exynos_ipp_send_event, base.link); | |
1518 | ||
cb471f14 | 1519 | do_gettimeofday(&now); |
cbc4c33d | 1520 | DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", now.tv_sec, now.tv_usec); |
cb471f14 EK |
1521 | e->event.tv_sec = now.tv_sec; |
1522 | e->event.tv_usec = now.tv_usec; | |
1523 | e->event.prop_id = property->prop_id; | |
1524 | ||
1525 | /* set buffer id about source destination */ | |
1526 | for_each_ipp_ops(i) | |
1527 | e->event.buf_id[i] = tbuf_id[i]; | |
1528 | ||
1529 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
1530 | list_move_tail(&e->base.link, &e->base.file_priv->event_list); | |
1531 | wake_up_interruptible(&e->base.file_priv->event_wait); | |
1532 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
4d520767 | 1533 | mutex_unlock(&c_node->event_lock); |
cb471f14 | 1534 | |
cbc4c33d | 1535 | DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n", |
cb471f14 EK |
1536 | property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]); |
1537 | ||
1538 | return 0; | |
220db6fe YC |
1539 | |
1540 | err_mem_unlock: | |
1541 | mutex_unlock(&c_node->mem_lock); | |
4d520767 YC |
1542 | err_event_unlock: |
1543 | mutex_unlock(&c_node->event_lock); | |
220db6fe | 1544 | return ret; |
cb471f14 EK |
1545 | } |
1546 | ||
1547 | void ipp_sched_event(struct work_struct *work) | |
1548 | { | |
1549 | struct drm_exynos_ipp_event_work *event_work = | |
1550 | (struct drm_exynos_ipp_event_work *)work; | |
1551 | struct exynos_drm_ippdrv *ippdrv; | |
1552 | struct drm_exynos_ipp_cmd_node *c_node; | |
1553 | int ret; | |
1554 | ||
1555 | if (!event_work) { | |
1556 | DRM_ERROR("failed to get event_work.\n"); | |
1557 | return; | |
1558 | } | |
1559 | ||
cbc4c33d | 1560 | DRM_DEBUG_KMS("buf_id[%d]\n", event_work->buf_id[EXYNOS_DRM_OPS_DST]); |
cb471f14 EK |
1561 | |
1562 | ippdrv = event_work->ippdrv; | |
1563 | if (!ippdrv) { | |
1564 | DRM_ERROR("failed to get ipp driver.\n"); | |
1565 | return; | |
1566 | } | |
1567 | ||
7259c3d6 | 1568 | c_node = ippdrv->c_node; |
cb471f14 EK |
1569 | if (!c_node) { |
1570 | DRM_ERROR("failed to get command node.\n"); | |
1571 | return; | |
1572 | } | |
1573 | ||
1574 | /* | |
1575 | * IPP supports command thread, event thread synchronization. | |
1576 | * If IPP close immediately from user land, then IPP make | |
1577 | * synchronization with command thread, so make complete event. | |
1578 | * or going out operations. | |
1579 | */ | |
1580 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d YC |
1581 | DRM_DEBUG_KMS("bypass state[%d]prop_id[%d]\n", |
1582 | c_node->state, c_node->property.prop_id); | |
cb471f14 EK |
1583 | goto err_completion; |
1584 | } | |
1585 | ||
cb471f14 EK |
1586 | ret = ipp_send_event(ippdrv, c_node, event_work->buf_id); |
1587 | if (ret) { | |
1588 | DRM_ERROR("failed to send event.\n"); | |
1589 | goto err_completion; | |
1590 | } | |
1591 | ||
1592 | err_completion: | |
1593 | if (ipp_is_m2m_cmd(c_node->property.cmd)) | |
1594 | complete(&c_node->start_complete); | |
cb471f14 EK |
1595 | } |
1596 | ||
1597 | static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) | |
1598 | { | |
1599 | struct ipp_context *ctx = get_ipp_context(dev); | |
1600 | struct exynos_drm_ippdrv *ippdrv; | |
1601 | int ret, count = 0; | |
1602 | ||
cb471f14 EK |
1603 | /* get ipp driver entry */ |
1604 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
1605 | ippdrv->drm_dev = drm_dev; | |
1606 | ||
12ff54d2 AH |
1607 | ret = ipp_create_id(&ctx->ipp_idr, &ctx->ipp_lock, ippdrv); |
1608 | if (ret < 0) { | |
cb471f14 | 1609 | DRM_ERROR("failed to create id.\n"); |
075436b0 | 1610 | goto err; |
cb471f14 | 1611 | } |
12ff54d2 | 1612 | ippdrv->prop_list.ipp_id = ret; |
cb471f14 | 1613 | |
cbc4c33d | 1614 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n", |
12ff54d2 | 1615 | count++, (int)ippdrv, ret); |
cb471f14 EK |
1616 | |
1617 | /* store parent device for node */ | |
1618 | ippdrv->parent_dev = dev; | |
1619 | ||
1620 | /* store event work queue and handler */ | |
1621 | ippdrv->event_workq = ctx->event_workq; | |
1622 | ippdrv->sched_event = ipp_sched_event; | |
1623 | INIT_LIST_HEAD(&ippdrv->cmd_list); | |
7f5af059 | 1624 | mutex_init(&ippdrv->cmd_lock); |
c12e2617 EK |
1625 | |
1626 | if (is_drm_iommu_supported(drm_dev)) { | |
1627 | ret = drm_iommu_attach_device(drm_dev, ippdrv->dev); | |
1628 | if (ret) { | |
1629 | DRM_ERROR("failed to activate iommu\n"); | |
075436b0 | 1630 | goto err; |
c12e2617 EK |
1631 | } |
1632 | } | |
cb471f14 EK |
1633 | } |
1634 | ||
1635 | return 0; | |
1636 | ||
075436b0 | 1637 | err: |
c12e2617 | 1638 | /* get ipp driver entry */ |
075436b0 YC |
1639 | list_for_each_entry_continue_reverse(ippdrv, &exynos_drm_ippdrv_list, |
1640 | drv_list) { | |
c12e2617 EK |
1641 | if (is_drm_iommu_supported(drm_dev)) |
1642 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1643 | ||
075436b0 YC |
1644 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1645 | ippdrv->prop_list.ipp_id); | |
1646 | } | |
1647 | ||
cb471f14 EK |
1648 | return ret; |
1649 | } | |
1650 | ||
1651 | static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) | |
1652 | { | |
1653 | struct exynos_drm_ippdrv *ippdrv; | |
075436b0 | 1654 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 | 1655 | |
cb471f14 EK |
1656 | /* get ipp driver entry */ |
1657 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
c12e2617 EK |
1658 | if (is_drm_iommu_supported(drm_dev)) |
1659 | drm_iommu_detach_device(drm_dev, ippdrv->dev); | |
1660 | ||
075436b0 YC |
1661 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1662 | ippdrv->prop_list.ipp_id); | |
1663 | ||
cb471f14 EK |
1664 | ippdrv->drm_dev = NULL; |
1665 | exynos_drm_ippdrv_unregister(ippdrv); | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, | |
1670 | struct drm_file *file) | |
1671 | { | |
1672 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1673 | |
5c76c5b1 | 1674 | file_priv->ipp_dev = dev; |
cb471f14 | 1675 | |
5c76c5b1 | 1676 | DRM_DEBUG_KMS("done priv[0x%x]\n", (int)dev); |
cb471f14 EK |
1677 | |
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, | |
1682 | struct drm_file *file) | |
1683 | { | |
cb471f14 | 1684 | struct exynos_drm_ippdrv *ippdrv = NULL; |
075436b0 | 1685 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 EK |
1686 | struct drm_exynos_ipp_cmd_node *c_node, *tc_node; |
1687 | int count = 0; | |
1688 | ||
cb471f14 | 1689 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { |
7f5af059 | 1690 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
1691 | list_for_each_entry_safe(c_node, tc_node, |
1692 | &ippdrv->cmd_list, list) { | |
cbc4c33d YC |
1693 | DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", |
1694 | count++, (int)ippdrv); | |
cb471f14 | 1695 | |
21a825ee | 1696 | if (c_node->filp == file) { |
cb471f14 EK |
1697 | /* |
1698 | * userland goto unnormal state. process killed. | |
1699 | * and close the file. | |
1700 | * so, IPP didn't called stop cmd ctrl. | |
1701 | * so, we are make stop operation in this state. | |
1702 | */ | |
1703 | if (c_node->state == IPP_STATE_START) { | |
1704 | ipp_stop_property(drm_dev, ippdrv, | |
1705 | c_node); | |
1706 | c_node->state = IPP_STATE_STOP; | |
1707 | } | |
1708 | ||
1709 | ippdrv->dedicated = false; | |
075436b0 | 1710 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1711 | if (list_empty(&ippdrv->cmd_list)) |
1712 | pm_runtime_put_sync(ippdrv->dev); | |
1713 | } | |
1714 | } | |
7f5af059 | 1715 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1716 | } |
1717 | ||
cb471f14 EK |
1718 | return; |
1719 | } | |
1720 | ||
56550d94 | 1721 | static int ipp_probe(struct platform_device *pdev) |
cb471f14 EK |
1722 | { |
1723 | struct device *dev = &pdev->dev; | |
1724 | struct ipp_context *ctx; | |
1725 | struct exynos_drm_subdrv *subdrv; | |
1726 | int ret; | |
1727 | ||
d873ab99 | 1728 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
cb471f14 EK |
1729 | if (!ctx) |
1730 | return -ENOMEM; | |
1731 | ||
cb471f14 EK |
1732 | mutex_init(&ctx->ipp_lock); |
1733 | mutex_init(&ctx->prop_lock); | |
1734 | ||
1735 | idr_init(&ctx->ipp_idr); | |
1736 | idr_init(&ctx->prop_idr); | |
1737 | ||
1738 | /* | |
1739 | * create single thread for ipp event | |
1740 | * IPP supports event thread for IPP drivers. | |
1741 | * IPP driver send event_work to this thread. | |
1742 | * and IPP event thread send event to user process. | |
1743 | */ | |
1744 | ctx->event_workq = create_singlethread_workqueue("ipp_event"); | |
1745 | if (!ctx->event_workq) { | |
1746 | dev_err(dev, "failed to create event workqueue\n"); | |
bfb6ed26 | 1747 | return -EINVAL; |
cb471f14 EK |
1748 | } |
1749 | ||
1750 | /* | |
1751 | * create single thread for ipp command | |
1752 | * IPP supports command thread for user process. | |
1753 | * user process make command node using set property ioctl. | |
1754 | * and make start_work and send this work to command thread. | |
1755 | * and then this command thread start property. | |
1756 | */ | |
1757 | ctx->cmd_workq = create_singlethread_workqueue("ipp_cmd"); | |
1758 | if (!ctx->cmd_workq) { | |
1759 | dev_err(dev, "failed to create cmd workqueue\n"); | |
1760 | ret = -EINVAL; | |
1761 | goto err_event_workq; | |
1762 | } | |
1763 | ||
1764 | /* set sub driver informations */ | |
1765 | subdrv = &ctx->subdrv; | |
1766 | subdrv->dev = dev; | |
1767 | subdrv->probe = ipp_subdrv_probe; | |
1768 | subdrv->remove = ipp_subdrv_remove; | |
1769 | subdrv->open = ipp_subdrv_open; | |
1770 | subdrv->close = ipp_subdrv_close; | |
1771 | ||
1772 | platform_set_drvdata(pdev, ctx); | |
1773 | ||
1774 | ret = exynos_drm_subdrv_register(subdrv); | |
1775 | if (ret < 0) { | |
1776 | DRM_ERROR("failed to register drm ipp device.\n"); | |
1777 | goto err_cmd_workq; | |
1778 | } | |
1779 | ||
d873ab99 | 1780 | dev_info(dev, "drm ipp registered successfully.\n"); |
cb471f14 EK |
1781 | |
1782 | return 0; | |
1783 | ||
1784 | err_cmd_workq: | |
1785 | destroy_workqueue(ctx->cmd_workq); | |
1786 | err_event_workq: | |
1787 | destroy_workqueue(ctx->event_workq); | |
cb471f14 EK |
1788 | return ret; |
1789 | } | |
1790 | ||
56550d94 | 1791 | static int ipp_remove(struct platform_device *pdev) |
cb471f14 EK |
1792 | { |
1793 | struct ipp_context *ctx = platform_get_drvdata(pdev); | |
1794 | ||
cb471f14 EK |
1795 | /* unregister sub driver */ |
1796 | exynos_drm_subdrv_unregister(&ctx->subdrv); | |
1797 | ||
1798 | /* remove,destroy ipp idr */ | |
cb471f14 EK |
1799 | idr_destroy(&ctx->ipp_idr); |
1800 | idr_destroy(&ctx->prop_idr); | |
1801 | ||
1802 | mutex_destroy(&ctx->ipp_lock); | |
1803 | mutex_destroy(&ctx->prop_lock); | |
1804 | ||
1805 | /* destroy command, event work queue */ | |
1806 | destroy_workqueue(ctx->cmd_workq); | |
1807 | destroy_workqueue(ctx->event_workq); | |
1808 | ||
cb471f14 EK |
1809 | return 0; |
1810 | } | |
1811 | ||
cb471f14 EK |
1812 | struct platform_driver ipp_driver = { |
1813 | .probe = ipp_probe, | |
56550d94 | 1814 | .remove = ipp_remove, |
cb471f14 EK |
1815 | .driver = { |
1816 | .name = "exynos-drm-ipp", | |
1817 | .owner = THIS_MODULE, | |
cb471f14 EK |
1818 | }, |
1819 | }; | |
1820 |