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