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 | ||
48 | /* | |
49 | * A structure of event. | |
50 | * | |
51 | * @base: base of event. | |
52 | * @event: ipp event. | |
53 | */ | |
54 | struct drm_exynos_ipp_send_event { | |
55 | struct drm_pending_event base; | |
56 | struct drm_exynos_ipp_event event; | |
57 | }; | |
58 | ||
59 | /* | |
60 | * A structure of memory node. | |
61 | * | |
62 | * @list: list head to memory queue information. | |
63 | * @ops_id: id of operations. | |
64 | * @prop_id: id of property. | |
65 | * @buf_id: id of buffer. | |
66 | * @buf_info: gem objects and dma address, size. | |
67 | * @filp: a pointer to drm_file. | |
68 | */ | |
69 | struct drm_exynos_ipp_mem_node { | |
70 | struct list_head list; | |
71 | enum drm_exynos_ops_id ops_id; | |
72 | u32 prop_id; | |
73 | u32 buf_id; | |
74 | struct drm_exynos_ipp_buf_info buf_info; | |
cb471f14 EK |
75 | }; |
76 | ||
77 | /* | |
78 | * A structure of ipp context. | |
79 | * | |
80 | * @subdrv: prepare initialization using subdrv. | |
81 | * @ipp_lock: lock for synchronization of access to ipp_idr. | |
82 | * @prop_lock: lock for synchronization of access to prop_idr. | |
83 | * @ipp_idr: ipp driver idr. | |
84 | * @prop_idr: property idr. | |
85 | * @event_workq: event work queue. | |
86 | * @cmd_workq: command work queue. | |
87 | */ | |
88 | struct ipp_context { | |
89 | struct exynos_drm_subdrv subdrv; | |
90 | struct mutex ipp_lock; | |
91 | struct mutex prop_lock; | |
92 | struct idr ipp_idr; | |
93 | struct idr prop_idr; | |
94 | struct workqueue_struct *event_workq; | |
95 | struct workqueue_struct *cmd_workq; | |
96 | }; | |
97 | ||
98 | static LIST_HEAD(exynos_drm_ippdrv_list); | |
99 | static DEFINE_MUTEX(exynos_drm_ippdrv_lock); | |
100 | static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list); | |
101 | ||
102 | int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) | |
103 | { | |
cb471f14 EK |
104 | mutex_lock(&exynos_drm_ippdrv_lock); |
105 | list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list); | |
106 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv) | |
112 | { | |
cb471f14 EK |
113 | mutex_lock(&exynos_drm_ippdrv_lock); |
114 | list_del(&ippdrv->drv_list); | |
115 | mutex_unlock(&exynos_drm_ippdrv_lock); | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
12ff54d2 | 120 | static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj) |
cb471f14 EK |
121 | { |
122 | int ret; | |
123 | ||
cb471f14 | 124 | mutex_lock(lock); |
8550cb2e | 125 | ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL); |
cb471f14 | 126 | mutex_unlock(lock); |
cb471f14 | 127 | |
12ff54d2 | 128 | return ret; |
cb471f14 EK |
129 | } |
130 | ||
075436b0 YC |
131 | static void ipp_remove_id(struct idr *id_idr, struct mutex *lock, u32 id) |
132 | { | |
133 | mutex_lock(lock); | |
134 | idr_remove(id_idr, id); | |
135 | mutex_unlock(lock); | |
136 | } | |
137 | ||
cb471f14 EK |
138 | static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id) |
139 | { | |
140 | void *obj; | |
141 | ||
cb471f14 | 142 | mutex_lock(lock); |
cb471f14 | 143 | obj = idr_find(id_idr, id); |
cb471f14 EK |
144 | mutex_unlock(lock); |
145 | ||
146 | return obj; | |
147 | } | |
148 | ||
9cc7d85e AH |
149 | static int ipp_check_driver(struct exynos_drm_ippdrv *ippdrv, |
150 | struct drm_exynos_ipp_property *property) | |
cb471f14 | 151 | { |
9cc7d85e AH |
152 | if (ippdrv->dedicated || (!ipp_is_m2m_cmd(property->cmd) && |
153 | !pm_runtime_suspended(ippdrv->dev))) | |
154 | return -EBUSY; | |
cb471f14 | 155 | |
9cc7d85e AH |
156 | if (ippdrv->check_property && |
157 | ippdrv->check_property(ippdrv->dev, property)) | |
158 | return -EINVAL; | |
159 | ||
160 | return 0; | |
cb471f14 EK |
161 | } |
162 | ||
163 | static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx, | |
164 | struct drm_exynos_ipp_property *property) | |
165 | { | |
166 | struct exynos_drm_ippdrv *ippdrv; | |
167 | u32 ipp_id = property->ipp_id; | |
9cc7d85e | 168 | int ret; |
cb471f14 EK |
169 | |
170 | if (ipp_id) { | |
9cc7d85e | 171 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, ipp_id); |
134f0e9b | 172 | if (!ippdrv) { |
9cc7d85e | 173 | DRM_DEBUG("ipp%d driver not found\n", ipp_id); |
134f0e9b | 174 | return ERR_PTR(-ENODEV); |
cb471f14 EK |
175 | } |
176 | ||
9cc7d85e AH |
177 | ret = ipp_check_driver(ippdrv, property); |
178 | if (ret < 0) { | |
179 | DRM_DEBUG("ipp%d driver check error %d\n", ipp_id, ret); | |
180 | return ERR_PTR(ret); | |
cb471f14 EK |
181 | } |
182 | ||
183 | return ippdrv; | |
184 | } else { | |
cb471f14 | 185 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { |
9cc7d85e AH |
186 | ret = ipp_check_driver(ippdrv, property); |
187 | if (ret == 0) | |
188 | return ippdrv; | |
cb471f14 EK |
189 | } |
190 | ||
9cc7d85e | 191 | DRM_DEBUG("cannot find driver suitable for given property.\n"); |
cb471f14 EK |
192 | } |
193 | ||
194 | return ERR_PTR(-ENODEV); | |
195 | } | |
196 | ||
197 | static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id) | |
198 | { | |
199 | struct exynos_drm_ippdrv *ippdrv; | |
200 | struct drm_exynos_ipp_cmd_node *c_node; | |
201 | int count = 0; | |
202 | ||
cbc4c33d | 203 | DRM_DEBUG_KMS("prop_id[%d]\n", prop_id); |
cb471f14 | 204 | |
cb471f14 EK |
205 | /* |
206 | * This case is search ipp driver by prop_id handle. | |
207 | * sometimes, ipp subsystem find driver by prop_id. | |
9fca9acf | 208 | * e.g PAUSE state, queue buf, command control. |
cb471f14 EK |
209 | */ |
210 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
977b5067 | 211 | DRM_DEBUG_KMS("count[%d]ippdrv[%p]\n", count++, ippdrv); |
cb471f14 | 212 | |
7f5af059 YC |
213 | mutex_lock(&ippdrv->cmd_lock); |
214 | list_for_each_entry(c_node, &ippdrv->cmd_list, list) { | |
215 | if (c_node->property.prop_id == prop_id) { | |
216 | mutex_unlock(&ippdrv->cmd_lock); | |
c66ce40b | 217 | return ippdrv; |
7f5af059 | 218 | } |
cb471f14 | 219 | } |
7f5af059 | 220 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
221 | } |
222 | ||
223 | return ERR_PTR(-ENODEV); | |
224 | } | |
225 | ||
226 | int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, | |
227 | struct drm_file *file) | |
228 | { | |
229 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 230 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
231 | struct ipp_context *ctx = get_ipp_context(dev); |
232 | struct drm_exynos_ipp_prop_list *prop_list = data; | |
233 | struct exynos_drm_ippdrv *ippdrv; | |
234 | int count = 0; | |
235 | ||
cb471f14 EK |
236 | if (!ctx) { |
237 | DRM_ERROR("invalid context.\n"); | |
238 | return -EINVAL; | |
239 | } | |
240 | ||
241 | if (!prop_list) { | |
242 | DRM_ERROR("invalid property parameter.\n"); | |
243 | return -EINVAL; | |
244 | } | |
245 | ||
cbc4c33d | 246 | DRM_DEBUG_KMS("ipp_id[%d]\n", prop_list->ipp_id); |
cb471f14 EK |
247 | |
248 | if (!prop_list->ipp_id) { | |
249 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) | |
250 | count++; | |
7f5af059 | 251 | |
cb471f14 EK |
252 | /* |
253 | * Supports ippdrv list count for user application. | |
254 | * First step user application getting ippdrv count. | |
255 | * and second step getting ippdrv capability using ipp_id. | |
256 | */ | |
257 | prop_list->count = count; | |
258 | } else { | |
259 | /* | |
260 | * Getting ippdrv capability by ipp_id. | |
c6b78bc8 | 261 | * some device not supported wb, output interface. |
cb471f14 EK |
262 | * so, user application detect correct ipp driver |
263 | * using this ioctl. | |
264 | */ | |
265 | ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, | |
266 | prop_list->ipp_id); | |
134f0e9b | 267 | if (!ippdrv) { |
cb471f14 EK |
268 | DRM_ERROR("not found ipp%d driver.\n", |
269 | prop_list->ipp_id); | |
134f0e9b | 270 | return -ENODEV; |
cb471f14 EK |
271 | } |
272 | ||
31646054 | 273 | *prop_list = ippdrv->prop_list; |
cb471f14 EK |
274 | } |
275 | ||
276 | return 0; | |
277 | } | |
278 | ||
279 | static void ipp_print_property(struct drm_exynos_ipp_property *property, | |
280 | int idx) | |
281 | { | |
282 | struct drm_exynos_ipp_config *config = &property->config[idx]; | |
283 | struct drm_exynos_pos *pos = &config->pos; | |
284 | struct drm_exynos_sz *sz = &config->sz; | |
285 | ||
cbc4c33d YC |
286 | DRM_DEBUG_KMS("prop_id[%d]ops[%s]fmt[0x%x]\n", |
287 | property->prop_id, idx ? "dst" : "src", config->fmt); | |
cb471f14 | 288 | |
cbc4c33d YC |
289 | DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n", |
290 | pos->x, pos->y, pos->w, pos->h, | |
cb471f14 EK |
291 | sz->hsize, sz->vsize, config->flip, config->degree); |
292 | } | |
293 | ||
cb471f14 EK |
294 | static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) |
295 | { | |
296 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
297 | ||
cb471f14 | 298 | cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); |
38bb5253 | 299 | if (!cmd_work) |
cb471f14 | 300 | return ERR_PTR(-ENOMEM); |
cb471f14 EK |
301 | |
302 | INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); | |
303 | ||
304 | return cmd_work; | |
305 | } | |
306 | ||
307 | static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) | |
308 | { | |
309 | struct drm_exynos_ipp_event_work *event_work; | |
310 | ||
cb471f14 | 311 | event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); |
38bb5253 | 312 | if (!event_work) |
cb471f14 | 313 | return ERR_PTR(-ENOMEM); |
cb471f14 | 314 | |
60b61c2f | 315 | INIT_WORK(&event_work->work, ipp_sched_event); |
cb471f14 EK |
316 | |
317 | return event_work; | |
318 | } | |
319 | ||
320 | int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, | |
321 | struct drm_file *file) | |
322 | { | |
323 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 324 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
325 | struct ipp_context *ctx = get_ipp_context(dev); |
326 | struct drm_exynos_ipp_property *property = data; | |
327 | struct exynos_drm_ippdrv *ippdrv; | |
328 | struct drm_exynos_ipp_cmd_node *c_node; | |
18383cb9 | 329 | u32 prop_id; |
cb471f14 EK |
330 | int ret, i; |
331 | ||
cb471f14 EK |
332 | if (!ctx) { |
333 | DRM_ERROR("invalid context.\n"); | |
334 | return -EINVAL; | |
335 | } | |
336 | ||
337 | if (!property) { | |
338 | DRM_ERROR("invalid property parameter.\n"); | |
339 | return -EINVAL; | |
340 | } | |
341 | ||
18383cb9 AH |
342 | prop_id = property->prop_id; |
343 | ||
cb471f14 EK |
344 | /* |
345 | * This is log print for user application property. | |
346 | * user application set various property. | |
347 | */ | |
348 | for_each_ipp_ops(i) | |
349 | ipp_print_property(property, i); | |
350 | ||
351 | /* | |
18383cb9 | 352 | * In case prop_id is not zero try to set existing property. |
cb471f14 | 353 | */ |
18383cb9 AH |
354 | if (prop_id) { |
355 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, prop_id); | |
356 | ||
357 | if (!c_node || c_node->filp != file) { | |
358 | DRM_DEBUG_KMS("prop_id[%d] not found\n", prop_id); | |
359 | return -EINVAL; | |
360 | } | |
361 | ||
362 | if (c_node->state != IPP_STATE_STOP) { | |
363 | DRM_DEBUG_KMS("prop_id[%d] not stopped\n", prop_id); | |
364 | return -EINVAL; | |
365 | } | |
366 | ||
367 | c_node->property = *property; | |
368 | ||
369 | return 0; | |
cb471f14 EK |
370 | } |
371 | ||
372 | /* find ipp driver using ipp id */ | |
373 | ippdrv = ipp_find_driver(ctx, property); | |
f0250458 | 374 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
375 | DRM_ERROR("failed to get ipp driver.\n"); |
376 | return -EINVAL; | |
377 | } | |
378 | ||
379 | /* allocate command node */ | |
380 | c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); | |
38bb5253 | 381 | if (!c_node) |
cb471f14 | 382 | return -ENOMEM; |
cb471f14 | 383 | |
12ff54d2 AH |
384 | ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node); |
385 | if (ret < 0) { | |
cb471f14 EK |
386 | DRM_ERROR("failed to create id.\n"); |
387 | goto err_clear; | |
388 | } | |
12ff54d2 | 389 | property->prop_id = ret; |
cb471f14 | 390 | |
977b5067 MS |
391 | DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[%p]\n", |
392 | property->prop_id, property->cmd, ippdrv); | |
cb471f14 EK |
393 | |
394 | /* stored property information and ippdrv in private data */ | |
cb471f14 EK |
395 | c_node->property = *property; |
396 | c_node->state = IPP_STATE_IDLE; | |
945a0aad | 397 | c_node->filp = file; |
cb471f14 EK |
398 | |
399 | c_node->start_work = ipp_create_cmd_work(); | |
f0250458 | 400 | if (IS_ERR(c_node->start_work)) { |
cb471f14 | 401 | DRM_ERROR("failed to create start work.\n"); |
be19d933 | 402 | ret = PTR_ERR(c_node->start_work); |
075436b0 | 403 | goto err_remove_id; |
cb471f14 EK |
404 | } |
405 | ||
406 | c_node->stop_work = ipp_create_cmd_work(); | |
f0250458 | 407 | if (IS_ERR(c_node->stop_work)) { |
cb471f14 | 408 | DRM_ERROR("failed to create stop work.\n"); |
be19d933 | 409 | ret = PTR_ERR(c_node->stop_work); |
cb471f14 EK |
410 | goto err_free_start; |
411 | } | |
412 | ||
413 | c_node->event_work = ipp_create_event_work(); | |
f0250458 | 414 | if (IS_ERR(c_node->event_work)) { |
cb471f14 | 415 | DRM_ERROR("failed to create event work.\n"); |
be19d933 | 416 | ret = PTR_ERR(c_node->event_work); |
cb471f14 EK |
417 | goto err_free_stop; |
418 | } | |
419 | ||
4e4fe554 | 420 | mutex_init(&c_node->lock); |
cb471f14 EK |
421 | mutex_init(&c_node->mem_lock); |
422 | mutex_init(&c_node->event_lock); | |
423 | ||
424 | init_completion(&c_node->start_complete); | |
425 | init_completion(&c_node->stop_complete); | |
426 | ||
427 | for_each_ipp_ops(i) | |
428 | INIT_LIST_HEAD(&c_node->mem_list[i]); | |
429 | ||
430 | INIT_LIST_HEAD(&c_node->event_list); | |
7f5af059 | 431 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 | 432 | list_add_tail(&c_node->list, &ippdrv->cmd_list); |
7f5af059 | 433 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
434 | |
435 | /* make dedicated state without m2m */ | |
436 | if (!ipp_is_m2m_cmd(property->cmd)) | |
437 | ippdrv->dedicated = true; | |
438 | ||
439 | return 0; | |
440 | ||
441 | err_free_stop: | |
442 | kfree(c_node->stop_work); | |
443 | err_free_start: | |
444 | kfree(c_node->start_work); | |
075436b0 YC |
445 | err_remove_id: |
446 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, property->prop_id); | |
cb471f14 EK |
447 | err_clear: |
448 | kfree(c_node); | |
449 | return ret; | |
450 | } | |
451 | ||
e44bf6b7 BM |
452 | static int ipp_validate_mem_node(struct drm_device *drm_dev, |
453 | struct drm_exynos_ipp_mem_node *m_node, | |
454 | struct drm_exynos_ipp_cmd_node *c_node) | |
455 | { | |
456 | struct drm_exynos_ipp_config *ipp_cfg; | |
457 | unsigned int num_plane; | |
3c10473b HH |
458 | unsigned long size, buf_size = 0, plane_size, img_size = 0; |
459 | unsigned int bpp, width, height; | |
e44bf6b7 BM |
460 | int i; |
461 | ||
b224fa9f | 462 | ipp_cfg = &c_node->property.config[m_node->ops_id]; |
e44bf6b7 BM |
463 | num_plane = drm_format_num_planes(ipp_cfg->fmt); |
464 | ||
465 | /** | |
466 | * This is a rather simplified validation of a memory node. | |
467 | * It basically verifies provided gem object handles | |
468 | * and the buffer sizes with respect to current configuration. | |
469 | * This is not the best that can be done | |
470 | * but it seems more than enough | |
471 | */ | |
472 | for (i = 0; i < num_plane; ++i) { | |
3c10473b HH |
473 | width = ipp_cfg->sz.hsize; |
474 | height = ipp_cfg->sz.vsize; | |
e44bf6b7 | 475 | bpp = drm_format_plane_cpp(ipp_cfg->fmt, i); |
3c10473b HH |
476 | |
477 | /* | |
478 | * The result of drm_format_plane_cpp() for chroma planes must | |
479 | * be used with drm_format_xxxx_chroma_subsampling() for | |
480 | * correct result. | |
481 | */ | |
482 | if (i > 0) { | |
483 | width /= drm_format_horz_chroma_subsampling( | |
484 | ipp_cfg->fmt); | |
485 | height /= drm_format_vert_chroma_subsampling( | |
486 | ipp_cfg->fmt); | |
e44bf6b7 | 487 | } |
3c10473b HH |
488 | plane_size = width * height * bpp; |
489 | img_size += plane_size; | |
490 | ||
491 | if (m_node->buf_info.handles[i]) { | |
492 | size = exynos_drm_gem_get_size(drm_dev, | |
493 | m_node->buf_info.handles[i], | |
494 | c_node->filp); | |
495 | if (plane_size > size) { | |
496 | DRM_ERROR( | |
497 | "buffer %d is smaller than required\n", | |
498 | i); | |
499 | return -EINVAL; | |
500 | } | |
501 | ||
502 | buf_size += size; | |
503 | } | |
504 | } | |
505 | ||
506 | if (buf_size < img_size) { | |
507 | DRM_ERROR("size of buffers(%lu) is smaller than image(%lu)\n", | |
508 | buf_size, img_size); | |
509 | return -EINVAL; | |
e44bf6b7 | 510 | } |
3c10473b | 511 | |
e44bf6b7 BM |
512 | return 0; |
513 | } | |
514 | ||
c4a856a7 AH |
515 | static int ipp_put_mem_node(struct drm_device *drm_dev, |
516 | struct drm_exynos_ipp_cmd_node *c_node, | |
517 | struct drm_exynos_ipp_mem_node *m_node) | |
518 | { | |
519 | int i; | |
520 | ||
977b5067 | 521 | DRM_DEBUG_KMS("node[%p]\n", m_node); |
c4a856a7 AH |
522 | |
523 | if (!m_node) { | |
524 | DRM_ERROR("invalid dequeue node.\n"); | |
525 | return -EFAULT; | |
526 | } | |
527 | ||
528 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); | |
529 | ||
530 | /* put gem buffer */ | |
531 | for_each_ipp_planar(i) { | |
532 | unsigned long handle = m_node->buf_info.handles[i]; | |
533 | if (handle) | |
534 | exynos_drm_gem_put_dma_addr(drm_dev, handle, | |
535 | c_node->filp); | |
536 | } | |
537 | ||
538 | list_del(&m_node->list); | |
539 | kfree(m_node); | |
540 | ||
541 | return 0; | |
542 | } | |
543 | ||
544 | static struct drm_exynos_ipp_mem_node | |
545 | *ipp_get_mem_node(struct drm_device *drm_dev, | |
c4a856a7 AH |
546 | struct drm_exynos_ipp_cmd_node *c_node, |
547 | struct drm_exynos_ipp_queue_buf *qbuf) | |
548 | { | |
549 | struct drm_exynos_ipp_mem_node *m_node; | |
550 | struct drm_exynos_ipp_buf_info *buf_info; | |
551 | int i; | |
552 | ||
553 | m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); | |
554 | if (!m_node) | |
555 | return ERR_PTR(-ENOMEM); | |
556 | ||
557 | buf_info = &m_node->buf_info; | |
558 | ||
559 | /* operations, buffer id */ | |
560 | m_node->ops_id = qbuf->ops_id; | |
561 | m_node->prop_id = qbuf->prop_id; | |
562 | m_node->buf_id = qbuf->buf_id; | |
563 | INIT_LIST_HEAD(&m_node->list); | |
564 | ||
977b5067 | 565 | DRM_DEBUG_KMS("m_node[%p]ops_id[%d]\n", m_node, qbuf->ops_id); |
c4a856a7 AH |
566 | DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); |
567 | ||
568 | for_each_ipp_planar(i) { | |
569 | DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]); | |
570 | ||
571 | /* get dma address by handle */ | |
572 | if (qbuf->handle[i]) { | |
573 | dma_addr_t *addr; | |
574 | ||
575 | addr = exynos_drm_gem_get_dma_addr(drm_dev, | |
d9b9734c | 576 | qbuf->handle[i], c_node->filp); |
c4a856a7 AH |
577 | if (IS_ERR(addr)) { |
578 | DRM_ERROR("failed to get addr.\n"); | |
579 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
580 | return ERR_PTR(-EFAULT); | |
581 | } | |
582 | ||
583 | buf_info->handles[i] = qbuf->handle[i]; | |
584 | buf_info->base[i] = *addr; | |
977b5067 MS |
585 | DRM_DEBUG_KMS("i[%d]base[%pad]hd[0x%lx]\n", i, |
586 | &buf_info->base[i], buf_info->handles[i]); | |
c4a856a7 AH |
587 | } |
588 | } | |
589 | ||
590 | mutex_lock(&c_node->mem_lock); | |
e44bf6b7 BM |
591 | if (ipp_validate_mem_node(drm_dev, m_node, c_node)) { |
592 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
593 | mutex_unlock(&c_node->mem_lock); | |
594 | return ERR_PTR(-EFAULT); | |
595 | } | |
c4a856a7 AH |
596 | list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]); |
597 | mutex_unlock(&c_node->mem_lock); | |
598 | ||
599 | return m_node; | |
600 | } | |
601 | ||
602 | static void ipp_clean_mem_nodes(struct drm_device *drm_dev, | |
603 | struct drm_exynos_ipp_cmd_node *c_node, int ops) | |
604 | { | |
605 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
606 | struct list_head *head = &c_node->mem_list[ops]; | |
607 | ||
608 | mutex_lock(&c_node->mem_lock); | |
609 | ||
610 | list_for_each_entry_safe(m_node, tm_node, head, list) { | |
611 | int ret; | |
612 | ||
613 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
614 | if (ret) | |
615 | DRM_ERROR("failed to put m_node.\n"); | |
616 | } | |
617 | ||
618 | mutex_unlock(&c_node->mem_lock); | |
619 | } | |
620 | ||
c0592c85 AH |
621 | static void ipp_free_event(struct drm_pending_event *event) |
622 | { | |
623 | kfree(event); | |
624 | } | |
625 | ||
626 | static int ipp_get_event(struct drm_device *drm_dev, | |
c0592c85 AH |
627 | struct drm_exynos_ipp_cmd_node *c_node, |
628 | struct drm_exynos_ipp_queue_buf *qbuf) | |
629 | { | |
630 | struct drm_exynos_ipp_send_event *e; | |
631 | unsigned long flags; | |
632 | ||
633 | DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id); | |
634 | ||
635 | e = kzalloc(sizeof(*e), GFP_KERNEL); | |
636 | if (!e) { | |
637 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
d9b9734c | 638 | c_node->filp->event_space += sizeof(e->event); |
c0592c85 AH |
639 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); |
640 | return -ENOMEM; | |
641 | } | |
642 | ||
643 | /* make event */ | |
644 | e->event.base.type = DRM_EXYNOS_IPP_EVENT; | |
645 | e->event.base.length = sizeof(e->event); | |
646 | e->event.user_data = qbuf->user_data; | |
647 | e->event.prop_id = qbuf->prop_id; | |
648 | e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id; | |
649 | e->base.event = &e->event.base; | |
d9b9734c | 650 | e->base.file_priv = c_node->filp; |
c0592c85 AH |
651 | e->base.destroy = ipp_free_event; |
652 | mutex_lock(&c_node->event_lock); | |
653 | list_add_tail(&e->base.link, &c_node->event_list); | |
654 | mutex_unlock(&c_node->event_lock); | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
659 | static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, | |
660 | struct drm_exynos_ipp_queue_buf *qbuf) | |
661 | { | |
662 | struct drm_exynos_ipp_send_event *e, *te; | |
663 | int count = 0; | |
664 | ||
665 | mutex_lock(&c_node->event_lock); | |
666 | list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { | |
977b5067 | 667 | DRM_DEBUG_KMS("count[%d]e[%p]\n", count++, e); |
c0592c85 AH |
668 | |
669 | /* | |
670 | * qbuf == NULL condition means all event deletion. | |
671 | * stop operations want to delete all event list. | |
672 | * another case delete only same buf id. | |
673 | */ | |
674 | if (!qbuf) { | |
675 | /* delete list */ | |
676 | list_del(&e->base.link); | |
677 | kfree(e); | |
678 | } | |
679 | ||
680 | /* compare buffer id */ | |
681 | if (qbuf && (qbuf->buf_id == | |
682 | e->event.buf_id[EXYNOS_DRM_OPS_DST])) { | |
683 | /* delete list */ | |
684 | list_del(&e->base.link); | |
685 | kfree(e); | |
686 | goto out_unlock; | |
687 | } | |
688 | } | |
689 | ||
690 | out_unlock: | |
691 | mutex_unlock(&c_node->event_lock); | |
692 | return; | |
693 | } | |
694 | ||
075436b0 YC |
695 | static void ipp_clean_cmd_node(struct ipp_context *ctx, |
696 | struct drm_exynos_ipp_cmd_node *c_node) | |
cb471f14 | 697 | { |
22e816f8 AH |
698 | int i; |
699 | ||
6f7d48ea AH |
700 | /* cancel works */ |
701 | cancel_work_sync(&c_node->start_work->work); | |
702 | cancel_work_sync(&c_node->stop_work->work); | |
703 | cancel_work_sync(&c_node->event_work->work); | |
704 | ||
c0592c85 AH |
705 | /* put event */ |
706 | ipp_put_event(c_node, NULL); | |
707 | ||
22e816f8 AH |
708 | for_each_ipp_ops(i) |
709 | ipp_clean_mem_nodes(ctx->subdrv.drm_dev, c_node, i); | |
710 | ||
cb471f14 EK |
711 | /* delete list */ |
712 | list_del(&c_node->list); | |
713 | ||
075436b0 YC |
714 | ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, |
715 | c_node->property.prop_id); | |
716 | ||
cb471f14 | 717 | /* destroy mutex */ |
4e4fe554 | 718 | mutex_destroy(&c_node->lock); |
cb471f14 EK |
719 | mutex_destroy(&c_node->mem_lock); |
720 | mutex_destroy(&c_node->event_lock); | |
721 | ||
722 | /* free command node */ | |
723 | kfree(c_node->start_work); | |
724 | kfree(c_node->stop_work); | |
725 | kfree(c_node->event_work); | |
726 | kfree(c_node); | |
727 | } | |
728 | ||
fb5ee01c | 729 | static bool ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node) |
cb471f14 | 730 | { |
fb5ee01c AH |
731 | switch (c_node->property.cmd) { |
732 | case IPP_CMD_WB: | |
733 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
734 | case IPP_CMD_OUTPUT: | |
735 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]); | |
736 | case IPP_CMD_M2M: | |
737 | default: | |
738 | return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]) && | |
739 | !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]); | |
cb471f14 | 740 | } |
cb471f14 EK |
741 | } |
742 | ||
743 | static struct drm_exynos_ipp_mem_node | |
744 | *ipp_find_mem_node(struct drm_exynos_ipp_cmd_node *c_node, | |
745 | struct drm_exynos_ipp_queue_buf *qbuf) | |
746 | { | |
747 | struct drm_exynos_ipp_mem_node *m_node; | |
748 | struct list_head *head; | |
749 | int count = 0; | |
750 | ||
cbc4c33d | 751 | DRM_DEBUG_KMS("buf_id[%d]\n", qbuf->buf_id); |
cb471f14 EK |
752 | |
753 | /* source/destination memory list */ | |
754 | head = &c_node->mem_list[qbuf->ops_id]; | |
755 | ||
756 | /* find memory node from memory list */ | |
757 | list_for_each_entry(m_node, head, list) { | |
977b5067 | 758 | DRM_DEBUG_KMS("count[%d]m_node[%p]\n", count++, m_node); |
cb471f14 EK |
759 | |
760 | /* compare buffer id */ | |
761 | if (m_node->buf_id == qbuf->buf_id) | |
762 | return m_node; | |
763 | } | |
764 | ||
765 | return NULL; | |
766 | } | |
767 | ||
768 | static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, | |
769 | struct drm_exynos_ipp_cmd_node *c_node, | |
770 | struct drm_exynos_ipp_mem_node *m_node) | |
771 | { | |
772 | struct exynos_drm_ipp_ops *ops = NULL; | |
773 | int ret = 0; | |
774 | ||
977b5067 | 775 | DRM_DEBUG_KMS("node[%p]\n", m_node); |
cb471f14 EK |
776 | |
777 | if (!m_node) { | |
778 | DRM_ERROR("invalid queue node.\n"); | |
779 | return -EFAULT; | |
780 | } | |
781 | ||
cbc4c33d | 782 | DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id); |
cb471f14 EK |
783 | |
784 | /* get operations callback */ | |
785 | ops = ippdrv->ops[m_node->ops_id]; | |
786 | if (!ops) { | |
787 | DRM_ERROR("not support ops.\n"); | |
220db6fe | 788 | return -EFAULT; |
cb471f14 EK |
789 | } |
790 | ||
791 | /* set address and enable irq */ | |
792 | if (ops->set_addr) { | |
793 | ret = ops->set_addr(ippdrv->dev, &m_node->buf_info, | |
794 | m_node->buf_id, IPP_BUF_ENQUEUE); | |
795 | if (ret) { | |
796 | DRM_ERROR("failed to set addr.\n"); | |
220db6fe | 797 | return ret; |
cb471f14 EK |
798 | } |
799 | } | |
800 | ||
cb471f14 EK |
801 | return ret; |
802 | } | |
803 | ||
0bc4a0aa | 804 | static void ipp_handle_cmd_work(struct device *dev, |
cb471f14 EK |
805 | struct exynos_drm_ippdrv *ippdrv, |
806 | struct drm_exynos_ipp_cmd_work *cmd_work, | |
807 | struct drm_exynos_ipp_cmd_node *c_node) | |
808 | { | |
809 | struct ipp_context *ctx = get_ipp_context(dev); | |
810 | ||
811 | cmd_work->ippdrv = ippdrv; | |
812 | cmd_work->c_node = c_node; | |
05afb1ac | 813 | queue_work(ctx->cmd_workq, &cmd_work->work); |
cb471f14 EK |
814 | } |
815 | ||
816 | static int ipp_queue_buf_with_run(struct device *dev, | |
817 | struct drm_exynos_ipp_cmd_node *c_node, | |
818 | struct drm_exynos_ipp_mem_node *m_node, | |
819 | struct drm_exynos_ipp_queue_buf *qbuf) | |
820 | { | |
821 | struct exynos_drm_ippdrv *ippdrv; | |
822 | struct drm_exynos_ipp_property *property; | |
823 | struct exynos_drm_ipp_ops *ops; | |
824 | int ret; | |
825 | ||
cb471f14 | 826 | ippdrv = ipp_find_drv_by_handle(qbuf->prop_id); |
f0250458 | 827 | if (IS_ERR(ippdrv)) { |
cb471f14 EK |
828 | DRM_ERROR("failed to get ipp driver.\n"); |
829 | return -EFAULT; | |
830 | } | |
831 | ||
832 | ops = ippdrv->ops[qbuf->ops_id]; | |
833 | if (!ops) { | |
834 | DRM_ERROR("failed to get ops.\n"); | |
835 | return -EFAULT; | |
836 | } | |
837 | ||
838 | property = &c_node->property; | |
839 | ||
840 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d | 841 | DRM_DEBUG_KMS("bypass for invalid state.\n"); |
cb471f14 EK |
842 | return 0; |
843 | } | |
844 | ||
220db6fe | 845 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 846 | if (!ipp_check_mem_list(c_node)) { |
220db6fe | 847 | mutex_unlock(&c_node->mem_lock); |
cbc4c33d | 848 | DRM_DEBUG_KMS("empty memory.\n"); |
cb471f14 EK |
849 | return 0; |
850 | } | |
851 | ||
852 | /* | |
853 | * If set destination buffer and enabled clock, | |
854 | * then m2m operations need start operations at queue_buf | |
855 | */ | |
856 | if (ipp_is_m2m_cmd(property->cmd)) { | |
857 | struct drm_exynos_ipp_cmd_work *cmd_work = c_node->start_work; | |
858 | ||
859 | cmd_work->ctrl = IPP_CTRL_PLAY; | |
860 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
861 | } else { | |
862 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
863 | if (ret) { | |
220db6fe | 864 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
865 | DRM_ERROR("failed to set m node.\n"); |
866 | return ret; | |
867 | } | |
868 | } | |
220db6fe | 869 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
870 | |
871 | return 0; | |
872 | } | |
873 | ||
874 | static void ipp_clean_queue_buf(struct drm_device *drm_dev, | |
875 | struct drm_exynos_ipp_cmd_node *c_node, | |
876 | struct drm_exynos_ipp_queue_buf *qbuf) | |
877 | { | |
878 | struct drm_exynos_ipp_mem_node *m_node, *tm_node; | |
879 | ||
c66ce40b | 880 | /* delete list */ |
220db6fe | 881 | mutex_lock(&c_node->mem_lock); |
c66ce40b YC |
882 | list_for_each_entry_safe(m_node, tm_node, |
883 | &c_node->mem_list[qbuf->ops_id], list) { | |
884 | if (m_node->buf_id == qbuf->buf_id && | |
885 | m_node->ops_id == qbuf->ops_id) | |
886 | ipp_put_mem_node(drm_dev, c_node, m_node); | |
cb471f14 | 887 | } |
220db6fe | 888 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
889 | } |
890 | ||
891 | int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, | |
892 | struct drm_file *file) | |
893 | { | |
894 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
5c76c5b1 | 895 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
896 | struct ipp_context *ctx = get_ipp_context(dev); |
897 | struct drm_exynos_ipp_queue_buf *qbuf = data; | |
898 | struct drm_exynos_ipp_cmd_node *c_node; | |
899 | struct drm_exynos_ipp_mem_node *m_node; | |
900 | int ret; | |
901 | ||
cb471f14 EK |
902 | if (!qbuf) { |
903 | DRM_ERROR("invalid buf parameter.\n"); | |
904 | return -EINVAL; | |
905 | } | |
906 | ||
907 | if (qbuf->ops_id >= EXYNOS_DRM_OPS_MAX) { | |
908 | DRM_ERROR("invalid ops parameter.\n"); | |
909 | return -EINVAL; | |
910 | } | |
911 | ||
cbc4c33d YC |
912 | DRM_DEBUG_KMS("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n", |
913 | qbuf->prop_id, qbuf->ops_id ? "dst" : "src", | |
cb471f14 EK |
914 | qbuf->buf_id, qbuf->buf_type); |
915 | ||
916 | /* find command node */ | |
917 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
918 | qbuf->prop_id); | |
18383cb9 | 919 | if (!c_node || c_node->filp != file) { |
cb471f14 | 920 | DRM_ERROR("failed to get command node.\n"); |
134f0e9b | 921 | return -ENODEV; |
cb471f14 EK |
922 | } |
923 | ||
924 | /* buffer control */ | |
925 | switch (qbuf->buf_type) { | |
926 | case IPP_BUF_ENQUEUE: | |
927 | /* get memory node */ | |
d9b9734c | 928 | m_node = ipp_get_mem_node(drm_dev, c_node, qbuf); |
cb471f14 EK |
929 | if (IS_ERR(m_node)) { |
930 | DRM_ERROR("failed to get m_node.\n"); | |
931 | return PTR_ERR(m_node); | |
932 | } | |
933 | ||
934 | /* | |
935 | * first step get event for destination buffer. | |
936 | * and second step when M2M case run with destination buffer | |
937 | * if needed. | |
938 | */ | |
939 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) { | |
940 | /* get event for destination buffer */ | |
d9b9734c | 941 | ret = ipp_get_event(drm_dev, c_node, qbuf); |
cb471f14 EK |
942 | if (ret) { |
943 | DRM_ERROR("failed to get event.\n"); | |
944 | goto err_clean_node; | |
945 | } | |
946 | ||
947 | /* | |
948 | * M2M case run play control for streaming feature. | |
949 | * other case set address and waiting. | |
950 | */ | |
951 | ret = ipp_queue_buf_with_run(dev, c_node, m_node, qbuf); | |
952 | if (ret) { | |
953 | DRM_ERROR("failed to run command.\n"); | |
954 | goto err_clean_node; | |
955 | } | |
956 | } | |
957 | break; | |
958 | case IPP_BUF_DEQUEUE: | |
4e4fe554 | 959 | mutex_lock(&c_node->lock); |
cb471f14 EK |
960 | |
961 | /* put event for destination buffer */ | |
962 | if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) | |
963 | ipp_put_event(c_node, qbuf); | |
964 | ||
965 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
966 | ||
4e4fe554 | 967 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
968 | break; |
969 | default: | |
970 | DRM_ERROR("invalid buffer control.\n"); | |
971 | return -EINVAL; | |
972 | } | |
973 | ||
974 | return 0; | |
975 | ||
976 | err_clean_node: | |
977 | DRM_ERROR("clean memory nodes.\n"); | |
978 | ||
979 | ipp_clean_queue_buf(drm_dev, c_node, qbuf); | |
980 | return ret; | |
981 | } | |
982 | ||
983 | static bool exynos_drm_ipp_check_valid(struct device *dev, | |
984 | enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state) | |
985 | { | |
cb471f14 EK |
986 | if (ctrl != IPP_CTRL_PLAY) { |
987 | if (pm_runtime_suspended(dev)) { | |
988 | DRM_ERROR("pm:runtime_suspended.\n"); | |
989 | goto err_status; | |
990 | } | |
991 | } | |
992 | ||
993 | switch (ctrl) { | |
994 | case IPP_CTRL_PLAY: | |
995 | if (state != IPP_STATE_IDLE) | |
996 | goto err_status; | |
997 | break; | |
998 | case IPP_CTRL_STOP: | |
999 | if (state == IPP_STATE_STOP) | |
1000 | goto err_status; | |
1001 | break; | |
1002 | case IPP_CTRL_PAUSE: | |
1003 | if (state != IPP_STATE_START) | |
1004 | goto err_status; | |
1005 | break; | |
1006 | case IPP_CTRL_RESUME: | |
1007 | if (state != IPP_STATE_STOP) | |
1008 | goto err_status; | |
1009 | break; | |
1010 | default: | |
1011 | DRM_ERROR("invalid state.\n"); | |
1012 | goto err_status; | |
cb471f14 EK |
1013 | } |
1014 | ||
1015 | return true; | |
1016 | ||
1017 | err_status: | |
1018 | DRM_ERROR("invalid status:ctrl[%d]state[%d]\n", ctrl, state); | |
1019 | return false; | |
1020 | } | |
1021 | ||
1022 | int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, | |
1023 | struct drm_file *file) | |
1024 | { | |
1025 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1026 | struct exynos_drm_ippdrv *ippdrv = NULL; |
5c76c5b1 | 1027 | struct device *dev = file_priv->ipp_dev; |
cb471f14 EK |
1028 | struct ipp_context *ctx = get_ipp_context(dev); |
1029 | struct drm_exynos_ipp_cmd_ctrl *cmd_ctrl = data; | |
1030 | struct drm_exynos_ipp_cmd_work *cmd_work; | |
1031 | struct drm_exynos_ipp_cmd_node *c_node; | |
1032 | ||
cb471f14 EK |
1033 | if (!ctx) { |
1034 | DRM_ERROR("invalid context.\n"); | |
1035 | return -EINVAL; | |
1036 | } | |
1037 | ||
1038 | if (!cmd_ctrl) { | |
1039 | DRM_ERROR("invalid control parameter.\n"); | |
1040 | return -EINVAL; | |
1041 | } | |
1042 | ||
cbc4c33d | 1043 | DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1044 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1045 | ||
1046 | ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id); | |
1047 | if (IS_ERR(ippdrv)) { | |
1048 | DRM_ERROR("failed to get ipp driver.\n"); | |
1049 | return PTR_ERR(ippdrv); | |
1050 | } | |
1051 | ||
1052 | c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, | |
1053 | cmd_ctrl->prop_id); | |
18383cb9 | 1054 | if (!c_node || c_node->filp != file) { |
cb471f14 | 1055 | DRM_ERROR("invalid command node list.\n"); |
134f0e9b | 1056 | return -ENODEV; |
cb471f14 EK |
1057 | } |
1058 | ||
1059 | if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl, | |
1060 | c_node->state)) { | |
1061 | DRM_ERROR("invalid state.\n"); | |
1062 | return -EINVAL; | |
1063 | } | |
1064 | ||
1065 | switch (cmd_ctrl->ctrl) { | |
1066 | case IPP_CTRL_PLAY: | |
1067 | if (pm_runtime_suspended(ippdrv->dev)) | |
1068 | pm_runtime_get_sync(ippdrv->dev); | |
ebaf05c8 | 1069 | |
cb471f14 EK |
1070 | c_node->state = IPP_STATE_START; |
1071 | ||
1072 | cmd_work = c_node->start_work; | |
1073 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1074 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
cb471f14 EK |
1075 | break; |
1076 | case IPP_CTRL_STOP: | |
1077 | cmd_work = c_node->stop_work; | |
1078 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1079 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1080 | ||
1081 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1082 | msecs_to_jiffies(300))) { | |
1083 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1084 | c_node->property.prop_id); | |
1085 | } | |
1086 | ||
1087 | c_node->state = IPP_STATE_STOP; | |
1088 | ippdrv->dedicated = false; | |
7f5af059 | 1089 | mutex_lock(&ippdrv->cmd_lock); |
075436b0 | 1090 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1091 | |
1092 | if (list_empty(&ippdrv->cmd_list)) | |
1093 | pm_runtime_put_sync(ippdrv->dev); | |
7f5af059 | 1094 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1095 | break; |
1096 | case IPP_CTRL_PAUSE: | |
1097 | cmd_work = c_node->stop_work; | |
1098 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1099 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1100 | ||
1101 | if (!wait_for_completion_timeout(&c_node->stop_complete, | |
1102 | msecs_to_jiffies(200))) { | |
1103 | DRM_ERROR("timeout stop:prop_id[%d]\n", | |
1104 | c_node->property.prop_id); | |
1105 | } | |
1106 | ||
1107 | c_node->state = IPP_STATE_STOP; | |
1108 | break; | |
1109 | case IPP_CTRL_RESUME: | |
1110 | c_node->state = IPP_STATE_START; | |
1111 | cmd_work = c_node->start_work; | |
1112 | cmd_work->ctrl = cmd_ctrl->ctrl; | |
1113 | ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node); | |
1114 | break; | |
1115 | default: | |
1116 | DRM_ERROR("could not support this state currently.\n"); | |
1117 | return -EINVAL; | |
1118 | } | |
1119 | ||
cbc4c33d | 1120 | DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n", |
cb471f14 EK |
1121 | cmd_ctrl->ctrl, cmd_ctrl->prop_id); |
1122 | ||
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | int exynos_drm_ippnb_register(struct notifier_block *nb) | |
1127 | { | |
1128 | return blocking_notifier_chain_register( | |
1129 | &exynos_drm_ippnb_list, nb); | |
1130 | } | |
1131 | ||
1132 | int exynos_drm_ippnb_unregister(struct notifier_block *nb) | |
1133 | { | |
1134 | return blocking_notifier_chain_unregister( | |
1135 | &exynos_drm_ippnb_list, nb); | |
1136 | } | |
1137 | ||
1138 | int exynos_drm_ippnb_send_event(unsigned long val, void *v) | |
1139 | { | |
1140 | return blocking_notifier_call_chain( | |
1141 | &exynos_drm_ippnb_list, val, v); | |
1142 | } | |
1143 | ||
1144 | static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv, | |
1145 | struct drm_exynos_ipp_property *property) | |
1146 | { | |
1147 | struct exynos_drm_ipp_ops *ops = NULL; | |
1148 | bool swap = false; | |
1149 | int ret, i; | |
1150 | ||
1151 | if (!property) { | |
1152 | DRM_ERROR("invalid property parameter.\n"); | |
1153 | return -EINVAL; | |
1154 | } | |
1155 | ||
cbc4c33d | 1156 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1157 | |
1158 | /* reset h/w block */ | |
1159 | if (ippdrv->reset && | |
1160 | ippdrv->reset(ippdrv->dev)) { | |
cb471f14 EK |
1161 | return -EINVAL; |
1162 | } | |
1163 | ||
1164 | /* set source,destination operations */ | |
1165 | for_each_ipp_ops(i) { | |
1166 | struct drm_exynos_ipp_config *config = | |
1167 | &property->config[i]; | |
1168 | ||
1169 | ops = ippdrv->ops[i]; | |
1170 | if (!ops || !config) { | |
1171 | DRM_ERROR("not support ops and config.\n"); | |
1172 | return -EINVAL; | |
1173 | } | |
1174 | ||
1175 | /* set format */ | |
1176 | if (ops->set_fmt) { | |
1177 | ret = ops->set_fmt(ippdrv->dev, config->fmt); | |
57ace335 | 1178 | if (ret) |
cb471f14 | 1179 | return ret; |
cb471f14 EK |
1180 | } |
1181 | ||
1182 | /* set transform for rotation, flip */ | |
1183 | if (ops->set_transf) { | |
1184 | ret = ops->set_transf(ippdrv->dev, config->degree, | |
1185 | config->flip, &swap); | |
57ace335 AH |
1186 | if (ret) |
1187 | return ret; | |
cb471f14 EK |
1188 | } |
1189 | ||
1190 | /* set size */ | |
1191 | if (ops->set_size) { | |
1192 | ret = ops->set_size(ippdrv->dev, swap, &config->pos, | |
1193 | &config->sz); | |
57ace335 | 1194 | if (ret) |
cb471f14 | 1195 | return ret; |
cb471f14 EK |
1196 | } |
1197 | } | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, | |
1203 | struct drm_exynos_ipp_cmd_node *c_node) | |
1204 | { | |
1205 | struct drm_exynos_ipp_mem_node *m_node; | |
1206 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1207 | struct list_head *head; | |
1208 | int ret, i; | |
1209 | ||
cbc4c33d | 1210 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 EK |
1211 | |
1212 | /* store command info in ippdrv */ | |
7259c3d6 | 1213 | ippdrv->c_node = c_node; |
cb471f14 | 1214 | |
220db6fe | 1215 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1216 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1217 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1218 | ret = -ENOMEM; |
1219 | goto err_unlock; | |
cb471f14 EK |
1220 | } |
1221 | ||
1222 | /* set current property in ippdrv */ | |
1223 | ret = ipp_set_property(ippdrv, property); | |
1224 | if (ret) { | |
1225 | DRM_ERROR("failed to set property.\n"); | |
7259c3d6 | 1226 | ippdrv->c_node = NULL; |
220db6fe | 1227 | goto err_unlock; |
cb471f14 EK |
1228 | } |
1229 | ||
1230 | /* check command */ | |
1231 | switch (property->cmd) { | |
1232 | case IPP_CMD_M2M: | |
1233 | for_each_ipp_ops(i) { | |
1234 | /* source/destination memory list */ | |
1235 | head = &c_node->mem_list[i]; | |
1236 | ||
1237 | m_node = list_first_entry(head, | |
1238 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 | 1239 | |
977b5067 | 1240 | DRM_DEBUG_KMS("m_node[%p]\n", m_node); |
cb471f14 EK |
1241 | |
1242 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1243 | if (ret) { | |
1244 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1245 | goto err_unlock; |
cb471f14 EK |
1246 | } |
1247 | } | |
1248 | break; | |
1249 | case IPP_CMD_WB: | |
1250 | /* destination memory list */ | |
1251 | head = &c_node->mem_list[EXYNOS_DRM_OPS_DST]; | |
1252 | ||
1253 | list_for_each_entry(m_node, head, list) { | |
1254 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1255 | if (ret) { | |
1256 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1257 | goto err_unlock; |
cb471f14 EK |
1258 | } |
1259 | } | |
1260 | break; | |
1261 | case IPP_CMD_OUTPUT: | |
1262 | /* source memory list */ | |
1263 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1264 | ||
1265 | list_for_each_entry(m_node, head, list) { | |
1266 | ret = ipp_set_mem_node(ippdrv, c_node, m_node); | |
1267 | if (ret) { | |
1268 | DRM_ERROR("failed to set m node.\n"); | |
220db6fe | 1269 | goto err_unlock; |
cb471f14 EK |
1270 | } |
1271 | } | |
1272 | break; | |
1273 | default: | |
1274 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1275 | ret = -EINVAL; |
1276 | goto err_unlock; | |
cb471f14 | 1277 | } |
220db6fe | 1278 | mutex_unlock(&c_node->mem_lock); |
cb471f14 | 1279 | |
cbc4c33d | 1280 | DRM_DEBUG_KMS("cmd[%d]\n", property->cmd); |
cb471f14 EK |
1281 | |
1282 | /* start operations */ | |
1283 | if (ippdrv->start) { | |
1284 | ret = ippdrv->start(ippdrv->dev, property->cmd); | |
1285 | if (ret) { | |
1286 | DRM_ERROR("failed to start ops.\n"); | |
220db6fe | 1287 | ippdrv->c_node = NULL; |
cb471f14 EK |
1288 | return ret; |
1289 | } | |
1290 | } | |
1291 | ||
1292 | return 0; | |
220db6fe YC |
1293 | |
1294 | err_unlock: | |
1295 | mutex_unlock(&c_node->mem_lock); | |
1296 | ippdrv->c_node = NULL; | |
1297 | return ret; | |
cb471f14 EK |
1298 | } |
1299 | ||
1300 | static int ipp_stop_property(struct drm_device *drm_dev, | |
1301 | struct exynos_drm_ippdrv *ippdrv, | |
1302 | struct drm_exynos_ipp_cmd_node *c_node) | |
1303 | { | |
cb471f14 | 1304 | struct drm_exynos_ipp_property *property = &c_node->property; |
8aa99dd3 | 1305 | int i; |
cb471f14 | 1306 | |
cbc4c33d | 1307 | DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); |
cb471f14 | 1308 | |
8aa99dd3 AH |
1309 | /* stop operations */ |
1310 | if (ippdrv->stop) | |
1311 | ippdrv->stop(ippdrv->dev, property->cmd); | |
cb471f14 EK |
1312 | |
1313 | /* check command */ | |
1314 | switch (property->cmd) { | |
1315 | case IPP_CMD_M2M: | |
c4a856a7 AH |
1316 | for_each_ipp_ops(i) |
1317 | ipp_clean_mem_nodes(drm_dev, c_node, i); | |
cb471f14 EK |
1318 | break; |
1319 | case IPP_CMD_WB: | |
c4a856a7 | 1320 | ipp_clean_mem_nodes(drm_dev, c_node, EXYNOS_DRM_OPS_DST); |
cb471f14 EK |
1321 | break; |
1322 | case IPP_CMD_OUTPUT: | |
c4a856a7 | 1323 | ipp_clean_mem_nodes(drm_dev, c_node, EXYNOS_DRM_OPS_SRC); |
cb471f14 EK |
1324 | break; |
1325 | default: | |
1326 | DRM_ERROR("invalid operations.\n"); | |
8aa99dd3 | 1327 | return -EINVAL; |
cb471f14 EK |
1328 | } |
1329 | ||
8aa99dd3 | 1330 | return 0; |
cb471f14 EK |
1331 | } |
1332 | ||
1333 | void ipp_sched_cmd(struct work_struct *work) | |
1334 | { | |
1335 | struct drm_exynos_ipp_cmd_work *cmd_work = | |
05afb1ac | 1336 | container_of(work, struct drm_exynos_ipp_cmd_work, work); |
cb471f14 EK |
1337 | struct exynos_drm_ippdrv *ippdrv; |
1338 | struct drm_exynos_ipp_cmd_node *c_node; | |
1339 | struct drm_exynos_ipp_property *property; | |
1340 | int ret; | |
1341 | ||
cb471f14 EK |
1342 | ippdrv = cmd_work->ippdrv; |
1343 | if (!ippdrv) { | |
1344 | DRM_ERROR("invalid ippdrv list.\n"); | |
1345 | return; | |
1346 | } | |
1347 | ||
1348 | c_node = cmd_work->c_node; | |
1349 | if (!c_node) { | |
1350 | DRM_ERROR("invalid command node list.\n"); | |
1351 | return; | |
1352 | } | |
1353 | ||
4e4fe554 | 1354 | mutex_lock(&c_node->lock); |
cb471f14 EK |
1355 | |
1356 | property = &c_node->property; | |
cb471f14 EK |
1357 | |
1358 | switch (cmd_work->ctrl) { | |
1359 | case IPP_CTRL_PLAY: | |
1360 | case IPP_CTRL_RESUME: | |
1361 | ret = ipp_start_property(ippdrv, c_node); | |
1362 | if (ret) { | |
1363 | DRM_ERROR("failed to start property:prop_id[%d]\n", | |
1364 | c_node->property.prop_id); | |
1365 | goto err_unlock; | |
1366 | } | |
1367 | ||
1368 | /* | |
1369 | * M2M case supports wait_completion of transfer. | |
1370 | * because M2M case supports single unit operation | |
1371 | * with multiple queue. | |
1372 | * M2M need to wait completion of data transfer. | |
1373 | */ | |
1374 | if (ipp_is_m2m_cmd(property->cmd)) { | |
1375 | if (!wait_for_completion_timeout | |
1376 | (&c_node->start_complete, msecs_to_jiffies(200))) { | |
1377 | DRM_ERROR("timeout event:prop_id[%d]\n", | |
1378 | c_node->property.prop_id); | |
1379 | goto err_unlock; | |
1380 | } | |
1381 | } | |
1382 | break; | |
1383 | case IPP_CTRL_STOP: | |
1384 | case IPP_CTRL_PAUSE: | |
1385 | ret = ipp_stop_property(ippdrv->drm_dev, ippdrv, | |
1386 | c_node); | |
1387 | if (ret) { | |
1388 | DRM_ERROR("failed to stop property.\n"); | |
1389 | goto err_unlock; | |
1390 | } | |
1391 | ||
1392 | complete(&c_node->stop_complete); | |
1393 | break; | |
1394 | default: | |
1395 | DRM_ERROR("unknown control type\n"); | |
1396 | break; | |
1397 | } | |
1398 | ||
cbc4c33d | 1399 | DRM_DEBUG_KMS("ctrl[%d] done.\n", cmd_work->ctrl); |
cb471f14 EK |
1400 | |
1401 | err_unlock: | |
4e4fe554 | 1402 | mutex_unlock(&c_node->lock); |
cb471f14 EK |
1403 | } |
1404 | ||
1405 | static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv, | |
1406 | struct drm_exynos_ipp_cmd_node *c_node, int *buf_id) | |
1407 | { | |
1408 | struct drm_device *drm_dev = ippdrv->drm_dev; | |
1409 | struct drm_exynos_ipp_property *property = &c_node->property; | |
1410 | struct drm_exynos_ipp_mem_node *m_node; | |
1411 | struct drm_exynos_ipp_queue_buf qbuf; | |
1412 | struct drm_exynos_ipp_send_event *e; | |
1413 | struct list_head *head; | |
1414 | struct timeval now; | |
1415 | unsigned long flags; | |
1416 | u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, }; | |
1417 | int ret, i; | |
1418 | ||
1419 | for_each_ipp_ops(i) | |
cbc4c33d | 1420 | DRM_DEBUG_KMS("%s buf_id[%d]\n", i ? "dst" : "src", buf_id[i]); |
cb471f14 EK |
1421 | |
1422 | if (!drm_dev) { | |
1423 | DRM_ERROR("failed to get drm_dev.\n"); | |
1424 | return -EINVAL; | |
1425 | } | |
1426 | ||
1427 | if (!property) { | |
1428 | DRM_ERROR("failed to get property.\n"); | |
1429 | return -EINVAL; | |
1430 | } | |
1431 | ||
4d520767 | 1432 | mutex_lock(&c_node->event_lock); |
cb471f14 | 1433 | if (list_empty(&c_node->event_list)) { |
cbc4c33d | 1434 | DRM_DEBUG_KMS("event list is empty.\n"); |
4d520767 YC |
1435 | ret = 0; |
1436 | goto err_event_unlock; | |
cb471f14 EK |
1437 | } |
1438 | ||
220db6fe | 1439 | mutex_lock(&c_node->mem_lock); |
cb471f14 | 1440 | if (!ipp_check_mem_list(c_node)) { |
cbc4c33d | 1441 | DRM_DEBUG_KMS("empty memory.\n"); |
220db6fe YC |
1442 | ret = 0; |
1443 | goto err_mem_unlock; | |
cb471f14 EK |
1444 | } |
1445 | ||
1446 | /* check command */ | |
1447 | switch (property->cmd) { | |
1448 | case IPP_CMD_M2M: | |
1449 | for_each_ipp_ops(i) { | |
1450 | /* source/destination memory list */ | |
1451 | head = &c_node->mem_list[i]; | |
1452 | ||
1453 | m_node = list_first_entry(head, | |
1454 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1455 | |
1456 | tbuf_id[i] = m_node->buf_id; | |
cbc4c33d | 1457 | DRM_DEBUG_KMS("%s buf_id[%d]\n", |
cb471f14 EK |
1458 | i ? "dst" : "src", tbuf_id[i]); |
1459 | ||
1460 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1461 | if (ret) | |
1462 | DRM_ERROR("failed to put m_node.\n"); | |
1463 | } | |
1464 | break; | |
1465 | case IPP_CMD_WB: | |
1466 | /* clear buf for finding */ | |
1467 | memset(&qbuf, 0x0, sizeof(qbuf)); | |
1468 | qbuf.ops_id = EXYNOS_DRM_OPS_DST; | |
1469 | qbuf.buf_id = buf_id[EXYNOS_DRM_OPS_DST]; | |
1470 | ||
1471 | /* get memory node entry */ | |
1472 | m_node = ipp_find_mem_node(c_node, &qbuf); | |
1473 | if (!m_node) { | |
1474 | DRM_ERROR("empty memory node.\n"); | |
220db6fe YC |
1475 | ret = -ENOMEM; |
1476 | goto err_mem_unlock; | |
cb471f14 EK |
1477 | } |
1478 | ||
1479 | tbuf_id[EXYNOS_DRM_OPS_DST] = m_node->buf_id; | |
1480 | ||
1481 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1482 | if (ret) | |
1483 | DRM_ERROR("failed to put m_node.\n"); | |
1484 | break; | |
1485 | case IPP_CMD_OUTPUT: | |
1486 | /* source memory list */ | |
1487 | head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC]; | |
1488 | ||
1489 | m_node = list_first_entry(head, | |
1490 | struct drm_exynos_ipp_mem_node, list); | |
cb471f14 EK |
1491 | |
1492 | tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id; | |
1493 | ||
1494 | ret = ipp_put_mem_node(drm_dev, c_node, m_node); | |
1495 | if (ret) | |
1496 | DRM_ERROR("failed to put m_node.\n"); | |
1497 | break; | |
1498 | default: | |
1499 | DRM_ERROR("invalid operations.\n"); | |
220db6fe YC |
1500 | ret = -EINVAL; |
1501 | goto err_mem_unlock; | |
cb471f14 | 1502 | } |
220db6fe | 1503 | mutex_unlock(&c_node->mem_lock); |
cb471f14 EK |
1504 | |
1505 | if (tbuf_id[EXYNOS_DRM_OPS_DST] != buf_id[EXYNOS_DRM_OPS_DST]) | |
1506 | DRM_ERROR("failed to match buf_id[%d %d]prop_id[%d]\n", | |
1507 | tbuf_id[1], buf_id[1], property->prop_id); | |
1508 | ||
1509 | /* | |
1510 | * command node have event list of destination buffer | |
1511 | * If destination buffer enqueue to mem list, | |
1512 | * then we make event and link to event list tail. | |
1513 | * so, we get first event for first enqueued buffer. | |
1514 | */ | |
1515 | e = list_first_entry(&c_node->event_list, | |
1516 | struct drm_exynos_ipp_send_event, base.link); | |
1517 | ||
cb471f14 | 1518 | do_gettimeofday(&now); |
cbc4c33d | 1519 | DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", now.tv_sec, now.tv_usec); |
cb471f14 EK |
1520 | e->event.tv_sec = now.tv_sec; |
1521 | e->event.tv_usec = now.tv_usec; | |
1522 | e->event.prop_id = property->prop_id; | |
1523 | ||
1524 | /* set buffer id about source destination */ | |
1525 | for_each_ipp_ops(i) | |
1526 | e->event.buf_id[i] = tbuf_id[i]; | |
1527 | ||
1528 | spin_lock_irqsave(&drm_dev->event_lock, flags); | |
1529 | list_move_tail(&e->base.link, &e->base.file_priv->event_list); | |
1530 | wake_up_interruptible(&e->base.file_priv->event_wait); | |
1531 | spin_unlock_irqrestore(&drm_dev->event_lock, flags); | |
4d520767 | 1532 | mutex_unlock(&c_node->event_lock); |
cb471f14 | 1533 | |
cbc4c33d | 1534 | DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n", |
cb471f14 EK |
1535 | property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]); |
1536 | ||
1537 | return 0; | |
220db6fe YC |
1538 | |
1539 | err_mem_unlock: | |
1540 | mutex_unlock(&c_node->mem_lock); | |
4d520767 YC |
1541 | err_event_unlock: |
1542 | mutex_unlock(&c_node->event_lock); | |
220db6fe | 1543 | return ret; |
cb471f14 EK |
1544 | } |
1545 | ||
1546 | void ipp_sched_event(struct work_struct *work) | |
1547 | { | |
1548 | struct drm_exynos_ipp_event_work *event_work = | |
05afb1ac | 1549 | container_of(work, struct drm_exynos_ipp_event_work, work); |
cb471f14 EK |
1550 | struct exynos_drm_ippdrv *ippdrv; |
1551 | struct drm_exynos_ipp_cmd_node *c_node; | |
1552 | int ret; | |
1553 | ||
1554 | if (!event_work) { | |
1555 | DRM_ERROR("failed to get event_work.\n"); | |
1556 | return; | |
1557 | } | |
1558 | ||
cbc4c33d | 1559 | DRM_DEBUG_KMS("buf_id[%d]\n", event_work->buf_id[EXYNOS_DRM_OPS_DST]); |
cb471f14 EK |
1560 | |
1561 | ippdrv = event_work->ippdrv; | |
1562 | if (!ippdrv) { | |
1563 | DRM_ERROR("failed to get ipp driver.\n"); | |
1564 | return; | |
1565 | } | |
1566 | ||
7259c3d6 | 1567 | c_node = ippdrv->c_node; |
cb471f14 EK |
1568 | if (!c_node) { |
1569 | DRM_ERROR("failed to get command node.\n"); | |
1570 | return; | |
1571 | } | |
1572 | ||
1573 | /* | |
1574 | * IPP supports command thread, event thread synchronization. | |
1575 | * If IPP close immediately from user land, then IPP make | |
1576 | * synchronization with command thread, so make complete event. | |
1577 | * or going out operations. | |
1578 | */ | |
1579 | if (c_node->state != IPP_STATE_START) { | |
cbc4c33d YC |
1580 | DRM_DEBUG_KMS("bypass state[%d]prop_id[%d]\n", |
1581 | c_node->state, c_node->property.prop_id); | |
cb471f14 EK |
1582 | goto err_completion; |
1583 | } | |
1584 | ||
cb471f14 EK |
1585 | ret = ipp_send_event(ippdrv, c_node, event_work->buf_id); |
1586 | if (ret) { | |
1587 | DRM_ERROR("failed to send event.\n"); | |
1588 | goto err_completion; | |
1589 | } | |
1590 | ||
1591 | err_completion: | |
1592 | if (ipp_is_m2m_cmd(c_node->property.cmd)) | |
1593 | complete(&c_node->start_complete); | |
cb471f14 EK |
1594 | } |
1595 | ||
1596 | static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) | |
1597 | { | |
1598 | struct ipp_context *ctx = get_ipp_context(dev); | |
1599 | struct exynos_drm_ippdrv *ippdrv; | |
1600 | int ret, count = 0; | |
1601 | ||
cb471f14 EK |
1602 | /* get ipp driver entry */ |
1603 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { | |
1604 | ippdrv->drm_dev = drm_dev; | |
1605 | ||
12ff54d2 AH |
1606 | ret = ipp_create_id(&ctx->ipp_idr, &ctx->ipp_lock, ippdrv); |
1607 | if (ret < 0) { | |
cb471f14 | 1608 | DRM_ERROR("failed to create id.\n"); |
075436b0 | 1609 | goto err; |
cb471f14 | 1610 | } |
12ff54d2 | 1611 | ippdrv->prop_list.ipp_id = ret; |
cb471f14 | 1612 | |
977b5067 MS |
1613 | DRM_DEBUG_KMS("count[%d]ippdrv[%p]ipp_id[%d]\n", |
1614 | count++, ippdrv, ret); | |
cb471f14 EK |
1615 | |
1616 | /* store parent device for node */ | |
1617 | ippdrv->parent_dev = dev; | |
1618 | ||
1619 | /* store event work queue and handler */ | |
1620 | ippdrv->event_workq = ctx->event_workq; | |
1621 | ippdrv->sched_event = ipp_sched_event; | |
1622 | INIT_LIST_HEAD(&ippdrv->cmd_list); | |
7f5af059 | 1623 | mutex_init(&ippdrv->cmd_lock); |
c12e2617 | 1624 | |
bf56608a JS |
1625 | ret = drm_iommu_attach_device(drm_dev, ippdrv->dev); |
1626 | if (ret) { | |
1627 | DRM_ERROR("failed to activate iommu\n"); | |
1628 | goto err; | |
c12e2617 | 1629 | } |
cb471f14 EK |
1630 | } |
1631 | ||
1632 | return 0; | |
1633 | ||
075436b0 | 1634 | err: |
c12e2617 | 1635 | /* get ipp driver entry */ |
075436b0 YC |
1636 | list_for_each_entry_continue_reverse(ippdrv, &exynos_drm_ippdrv_list, |
1637 | drv_list) { | |
bf56608a | 1638 | drm_iommu_detach_device(drm_dev, ippdrv->dev); |
c12e2617 | 1639 | |
075436b0 YC |
1640 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1641 | ippdrv->prop_list.ipp_id); | |
1642 | } | |
1643 | ||
cb471f14 EK |
1644 | return ret; |
1645 | } | |
1646 | ||
1647 | static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) | |
1648 | { | |
a36ed466 | 1649 | struct exynos_drm_ippdrv *ippdrv, *t; |
075436b0 | 1650 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 | 1651 | |
cb471f14 | 1652 | /* get ipp driver entry */ |
a36ed466 | 1653 | list_for_each_entry_safe(ippdrv, t, &exynos_drm_ippdrv_list, drv_list) { |
bf56608a | 1654 | drm_iommu_detach_device(drm_dev, ippdrv->dev); |
c12e2617 | 1655 | |
075436b0 YC |
1656 | ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, |
1657 | ippdrv->prop_list.ipp_id); | |
1658 | ||
cb471f14 EK |
1659 | ippdrv->drm_dev = NULL; |
1660 | exynos_drm_ippdrv_unregister(ippdrv); | |
1661 | } | |
1662 | } | |
1663 | ||
1664 | static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, | |
1665 | struct drm_file *file) | |
1666 | { | |
1667 | struct drm_exynos_file_private *file_priv = file->driver_priv; | |
cb471f14 | 1668 | |
5c76c5b1 | 1669 | file_priv->ipp_dev = dev; |
cb471f14 | 1670 | |
977b5067 | 1671 | DRM_DEBUG_KMS("done priv[%p]\n", dev); |
cb471f14 EK |
1672 | |
1673 | return 0; | |
1674 | } | |
1675 | ||
1676 | static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, | |
1677 | struct drm_file *file) | |
1678 | { | |
cb471f14 | 1679 | struct exynos_drm_ippdrv *ippdrv = NULL; |
075436b0 | 1680 | struct ipp_context *ctx = get_ipp_context(dev); |
cb471f14 EK |
1681 | struct drm_exynos_ipp_cmd_node *c_node, *tc_node; |
1682 | int count = 0; | |
1683 | ||
cb471f14 | 1684 | list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { |
7f5af059 | 1685 | mutex_lock(&ippdrv->cmd_lock); |
cb471f14 EK |
1686 | list_for_each_entry_safe(c_node, tc_node, |
1687 | &ippdrv->cmd_list, list) { | |
977b5067 MS |
1688 | DRM_DEBUG_KMS("count[%d]ippdrv[%p]\n", |
1689 | count++, ippdrv); | |
cb471f14 | 1690 | |
21a825ee | 1691 | if (c_node->filp == file) { |
cb471f14 EK |
1692 | /* |
1693 | * userland goto unnormal state. process killed. | |
1694 | * and close the file. | |
1695 | * so, IPP didn't called stop cmd ctrl. | |
1696 | * so, we are make stop operation in this state. | |
1697 | */ | |
1698 | if (c_node->state == IPP_STATE_START) { | |
1699 | ipp_stop_property(drm_dev, ippdrv, | |
1700 | c_node); | |
1701 | c_node->state = IPP_STATE_STOP; | |
1702 | } | |
1703 | ||
1704 | ippdrv->dedicated = false; | |
075436b0 | 1705 | ipp_clean_cmd_node(ctx, c_node); |
cb471f14 EK |
1706 | if (list_empty(&ippdrv->cmd_list)) |
1707 | pm_runtime_put_sync(ippdrv->dev); | |
1708 | } | |
1709 | } | |
7f5af059 | 1710 | mutex_unlock(&ippdrv->cmd_lock); |
cb471f14 EK |
1711 | } |
1712 | ||
cb471f14 EK |
1713 | return; |
1714 | } | |
1715 | ||
56550d94 | 1716 | static int ipp_probe(struct platform_device *pdev) |
cb471f14 EK |
1717 | { |
1718 | struct device *dev = &pdev->dev; | |
1719 | struct ipp_context *ctx; | |
1720 | struct exynos_drm_subdrv *subdrv; | |
1721 | int ret; | |
1722 | ||
d873ab99 | 1723 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
cb471f14 EK |
1724 | if (!ctx) |
1725 | return -ENOMEM; | |
1726 | ||
cb471f14 EK |
1727 | mutex_init(&ctx->ipp_lock); |
1728 | mutex_init(&ctx->prop_lock); | |
1729 | ||
1730 | idr_init(&ctx->ipp_idr); | |
1731 | idr_init(&ctx->prop_idr); | |
1732 | ||
1733 | /* | |
1734 | * create single thread for ipp event | |
1735 | * IPP supports event thread for IPP drivers. | |
1736 | * IPP driver send event_work to this thread. | |
1737 | * and IPP event thread send event to user process. | |
1738 | */ | |
1739 | ctx->event_workq = create_singlethread_workqueue("ipp_event"); | |
1740 | if (!ctx->event_workq) { | |
1741 | dev_err(dev, "failed to create event workqueue\n"); | |
bfb6ed26 | 1742 | return -EINVAL; |
cb471f14 EK |
1743 | } |
1744 | ||
1745 | /* | |
1746 | * create single thread for ipp command | |
1747 | * IPP supports command thread for user process. | |
1748 | * user process make command node using set property ioctl. | |
1749 | * and make start_work and send this work to command thread. | |
1750 | * and then this command thread start property. | |
1751 | */ | |
1752 | ctx->cmd_workq = create_singlethread_workqueue("ipp_cmd"); | |
1753 | if (!ctx->cmd_workq) { | |
1754 | dev_err(dev, "failed to create cmd workqueue\n"); | |
1755 | ret = -EINVAL; | |
1756 | goto err_event_workq; | |
1757 | } | |
1758 | ||
1759 | /* set sub driver informations */ | |
1760 | subdrv = &ctx->subdrv; | |
1761 | subdrv->dev = dev; | |
1762 | subdrv->probe = ipp_subdrv_probe; | |
1763 | subdrv->remove = ipp_subdrv_remove; | |
1764 | subdrv->open = ipp_subdrv_open; | |
1765 | subdrv->close = ipp_subdrv_close; | |
1766 | ||
1767 | platform_set_drvdata(pdev, ctx); | |
1768 | ||
1769 | ret = exynos_drm_subdrv_register(subdrv); | |
1770 | if (ret < 0) { | |
1771 | DRM_ERROR("failed to register drm ipp device.\n"); | |
1772 | goto err_cmd_workq; | |
1773 | } | |
1774 | ||
d873ab99 | 1775 | dev_info(dev, "drm ipp registered successfully.\n"); |
cb471f14 EK |
1776 | |
1777 | return 0; | |
1778 | ||
1779 | err_cmd_workq: | |
1780 | destroy_workqueue(ctx->cmd_workq); | |
1781 | err_event_workq: | |
1782 | destroy_workqueue(ctx->event_workq); | |
cb471f14 EK |
1783 | return ret; |
1784 | } | |
1785 | ||
56550d94 | 1786 | static int ipp_remove(struct platform_device *pdev) |
cb471f14 EK |
1787 | { |
1788 | struct ipp_context *ctx = platform_get_drvdata(pdev); | |
1789 | ||
cb471f14 EK |
1790 | /* unregister sub driver */ |
1791 | exynos_drm_subdrv_unregister(&ctx->subdrv); | |
1792 | ||
1793 | /* remove,destroy ipp idr */ | |
cb471f14 EK |
1794 | idr_destroy(&ctx->ipp_idr); |
1795 | idr_destroy(&ctx->prop_idr); | |
1796 | ||
1797 | mutex_destroy(&ctx->ipp_lock); | |
1798 | mutex_destroy(&ctx->prop_lock); | |
1799 | ||
1800 | /* destroy command, event work queue */ | |
1801 | destroy_workqueue(ctx->cmd_workq); | |
1802 | destroy_workqueue(ctx->event_workq); | |
1803 | ||
cb471f14 EK |
1804 | return 0; |
1805 | } | |
1806 | ||
cb471f14 EK |
1807 | struct platform_driver ipp_driver = { |
1808 | .probe = ipp_probe, | |
56550d94 | 1809 | .remove = ipp_remove, |
cb471f14 EK |
1810 | .driver = { |
1811 | .name = "exynos-drm-ipp", | |
1812 | .owner = THIS_MODULE, | |
cb471f14 EK |
1813 | }, |
1814 | }; | |
1815 |