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eb7b797b BS |
1 | /* |
2 | * Copyright (C) 2008-2009 QUALCOMM Incorporated. | |
3 | */ | |
4 | ||
49c9b5c7 | 5 | /* FIXME: most allocations need not be GFP_ATOMIC */ |
eb7b797b BS |
6 | /* FIXME: management of mutexes */ |
7 | /* FIXME: msm_pmem_region_lookup return values */ | |
8 | /* FIXME: way too many copy to/from user */ | |
9 | /* FIXME: does region->active mean free */ | |
10 | /* FIXME: check limits on command lenghts passed from userspace */ | |
11 | /* FIXME: __msm_release: which queues should we flush when opencnt != 0 */ | |
12 | ||
13 | #include <linux/kernel.h> | |
14 | #include <linux/module.h> | |
5a0e3ad6 | 15 | #include <linux/slab.h> |
eb7b797b | 16 | #include <linux/init.h> |
ace9e791 | 17 | #include <linux/sched.h> |
eb7b797b BS |
18 | #include <mach/board.h> |
19 | ||
20 | #include <linux/fs.h> | |
21 | #include <linux/list.h> | |
22 | #include <linux/uaccess.h> | |
23 | #include <linux/android_pmem.h> | |
24 | #include <linux/poll.h> | |
25 | #include <media/msm_camera.h> | |
26 | #include <mach/camera.h> | |
27 | ||
28 | #define MSM_MAX_CAMERA_SENSORS 5 | |
29 | ||
30 | #define ERR_USER_COPY(to) pr_err("%s(%d): copy %s user\n", \ | |
31 | __func__, __LINE__, ((to) ? "to" : "from")) | |
32 | #define ERR_COPY_FROM_USER() ERR_USER_COPY(0) | |
33 | #define ERR_COPY_TO_USER() ERR_USER_COPY(1) | |
34 | ||
35 | static struct class *msm_class; | |
36 | static dev_t msm_devno; | |
37 | static LIST_HEAD(msm_sensors); | |
38 | ||
39 | #define __CONTAINS(r, v, l, field) ({ \ | |
40 | typeof(r) __r = r; \ | |
41 | typeof(v) __v = v; \ | |
42 | typeof(v) __e = __v + l; \ | |
43 | int res = __v >= __r->field && \ | |
44 | __e <= __r->field + __r->len; \ | |
45 | res; \ | |
46 | }) | |
47 | ||
48 | #define CONTAINS(r1, r2, field) ({ \ | |
49 | typeof(r2) __r2 = r2; \ | |
50 | __CONTAINS(r1, __r2->field, __r2->len, field); \ | |
51 | }) | |
52 | ||
53 | #define IN_RANGE(r, v, field) ({ \ | |
54 | typeof(r) __r = r; \ | |
55 | typeof(v) __vv = v; \ | |
56 | int res = ((__vv >= __r->field) && \ | |
57 | (__vv < (__r->field + __r->len))); \ | |
58 | res; \ | |
59 | }) | |
60 | ||
61 | #define OVERLAPS(r1, r2, field) ({ \ | |
62 | typeof(r1) __r1 = r1; \ | |
63 | typeof(r2) __r2 = r2; \ | |
64 | typeof(__r2->field) __v = __r2->field; \ | |
65 | typeof(__v) __e = __v + __r2->len - 1; \ | |
66 | int res = (IN_RANGE(__r1, __v, field) || \ | |
67 | IN_RANGE(__r1, __e, field)); \ | |
68 | res; \ | |
69 | }) | |
70 | ||
71 | #define MSM_DRAIN_QUEUE_NOSYNC(sync, name) do { \ | |
72 | struct msm_queue_cmd *qcmd = NULL; \ | |
73 | CDBG("%s: draining queue "#name"\n", __func__); \ | |
74 | while (!list_empty(&(sync)->name)) { \ | |
75 | qcmd = list_first_entry(&(sync)->name, \ | |
76 | struct msm_queue_cmd, list); \ | |
77 | list_del_init(&qcmd->list); \ | |
78 | kfree(qcmd); \ | |
79 | }; \ | |
451ff373 | 80 | } while (0) |
eb7b797b BS |
81 | |
82 | #define MSM_DRAIN_QUEUE(sync, name) do { \ | |
83 | unsigned long flags; \ | |
84 | spin_lock_irqsave(&(sync)->name##_lock, flags); \ | |
85 | MSM_DRAIN_QUEUE_NOSYNC(sync, name); \ | |
86 | spin_unlock_irqrestore(&(sync)->name##_lock, flags); \ | |
451ff373 | 87 | } while (0) |
eb7b797b BS |
88 | |
89 | static int check_overlap(struct hlist_head *ptype, | |
90 | unsigned long paddr, | |
91 | unsigned long len) | |
92 | { | |
93 | struct msm_pmem_region *region; | |
94 | struct msm_pmem_region t = { .paddr = paddr, .len = len }; | |
95 | struct hlist_node *node; | |
96 | ||
97 | hlist_for_each_entry(region, node, ptype, list) { | |
98 | if (CONTAINS(region, &t, paddr) || | |
99 | CONTAINS(&t, region, paddr) || | |
100 | OVERLAPS(region, &t, paddr)) { | |
101 | printk(KERN_ERR | |
102 | " region (PHYS %p len %ld)" | |
103 | " clashes with registered region" | |
104 | " (paddr %p len %ld)\n", | |
105 | (void *)t.paddr, t.len, | |
106 | (void *)region->paddr, region->len); | |
107 | return -1; | |
108 | } | |
109 | } | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
114 | static int msm_pmem_table_add(struct hlist_head *ptype, | |
115 | struct msm_pmem_info *info) | |
116 | { | |
117 | struct file *file; | |
118 | unsigned long paddr; | |
119 | unsigned long vstart; | |
120 | unsigned long len; | |
121 | int rc; | |
122 | struct msm_pmem_region *region; | |
123 | ||
124 | rc = get_pmem_file(info->fd, &paddr, &vstart, &len, &file); | |
125 | if (rc < 0) { | |
126 | pr_err("msm_pmem_table_add: get_pmem_file fd %d error %d\n", | |
127 | info->fd, rc); | |
128 | return rc; | |
129 | } | |
130 | ||
131 | if (check_overlap(ptype, paddr, len) < 0) | |
132 | return -EINVAL; | |
133 | ||
134 | CDBG("%s: type = %d, paddr = 0x%lx, vaddr = 0x%lx\n", | |
135 | __func__, | |
136 | info->type, paddr, (unsigned long)info->vaddr); | |
137 | ||
138 | region = kmalloc(sizeof(*region), GFP_KERNEL); | |
139 | if (!region) | |
140 | return -ENOMEM; | |
141 | ||
142 | INIT_HLIST_NODE(®ion->list); | |
143 | ||
144 | region->type = info->type; | |
145 | region->vaddr = info->vaddr; | |
146 | region->paddr = paddr; | |
147 | region->len = len; | |
148 | region->file = file; | |
149 | region->y_off = info->y_off; | |
150 | region->cbcr_off = info->cbcr_off; | |
151 | region->fd = info->fd; | |
152 | region->active = info->active; | |
153 | ||
154 | hlist_add_head(&(region->list), ptype); | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
159 | /* return of 0 means failure */ | |
160 | static uint8_t msm_pmem_region_lookup(struct hlist_head *ptype, | |
161 | int pmem_type, struct msm_pmem_region *reg, uint8_t maxcount) | |
162 | { | |
163 | struct msm_pmem_region *region; | |
164 | struct msm_pmem_region *regptr; | |
165 | struct hlist_node *node, *n; | |
166 | ||
167 | uint8_t rc = 0; | |
168 | ||
169 | regptr = reg; | |
170 | ||
171 | hlist_for_each_entry_safe(region, node, n, ptype, list) { | |
172 | if (region->type == pmem_type && region->active) { | |
173 | *regptr = *region; | |
174 | rc += 1; | |
175 | if (rc >= maxcount) | |
176 | break; | |
177 | regptr++; | |
178 | } | |
179 | } | |
180 | ||
181 | return rc; | |
182 | } | |
183 | ||
184 | static unsigned long msm_pmem_frame_ptov_lookup(struct msm_sync *sync, | |
185 | unsigned long pyaddr, | |
186 | unsigned long pcbcraddr, | |
187 | uint32_t *yoff, uint32_t *cbcroff, int *fd) | |
188 | { | |
189 | struct msm_pmem_region *region; | |
190 | struct hlist_node *node, *n; | |
191 | ||
192 | hlist_for_each_entry_safe(region, node, n, &sync->frame, list) { | |
193 | if (pyaddr == (region->paddr + region->y_off) && | |
194 | pcbcraddr == (region->paddr + | |
195 | region->cbcr_off) && | |
196 | region->active) { | |
197 | /* offset since we could pass vaddr inside | |
198 | * a registerd pmem buffer | |
199 | */ | |
200 | *yoff = region->y_off; | |
201 | *cbcroff = region->cbcr_off; | |
202 | *fd = region->fd; | |
203 | region->active = 0; | |
204 | return (unsigned long)(region->vaddr); | |
205 | } | |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | static unsigned long msm_pmem_stats_ptov_lookup(struct msm_sync *sync, | |
212 | unsigned long addr, int *fd) | |
213 | { | |
214 | struct msm_pmem_region *region; | |
215 | struct hlist_node *node, *n; | |
216 | ||
217 | hlist_for_each_entry_safe(region, node, n, &sync->stats, list) { | |
218 | if (addr == region->paddr && region->active) { | |
219 | /* offset since we could pass vaddr inside a | |
220 | * registered pmem buffer */ | |
221 | *fd = region->fd; | |
222 | region->active = 0; | |
223 | return (unsigned long)(region->vaddr); | |
224 | } | |
225 | } | |
226 | ||
227 | return 0; | |
228 | } | |
229 | ||
230 | static unsigned long msm_pmem_frame_vtop_lookup(struct msm_sync *sync, | |
231 | unsigned long buffer, | |
232 | uint32_t yoff, uint32_t cbcroff, int fd) | |
233 | { | |
234 | struct msm_pmem_region *region; | |
235 | struct hlist_node *node, *n; | |
236 | ||
237 | hlist_for_each_entry_safe(region, | |
238 | node, n, &sync->frame, list) { | |
239 | if (((unsigned long)(region->vaddr) == buffer) && | |
240 | (region->y_off == yoff) && | |
241 | (region->cbcr_off == cbcroff) && | |
242 | (region->fd == fd) && | |
243 | (region->active == 0)) { | |
244 | ||
245 | region->active = 1; | |
246 | return region->paddr; | |
247 | } | |
248 | } | |
249 | ||
250 | return 0; | |
251 | } | |
252 | ||
253 | static unsigned long msm_pmem_stats_vtop_lookup( | |
254 | struct msm_sync *sync, | |
255 | unsigned long buffer, | |
256 | int fd) | |
257 | { | |
258 | struct msm_pmem_region *region; | |
259 | struct hlist_node *node, *n; | |
260 | ||
261 | hlist_for_each_entry_safe(region, node, n, &sync->stats, list) { | |
262 | if (((unsigned long)(region->vaddr) == buffer) && | |
263 | (region->fd == fd) && region->active == 0) { | |
264 | region->active = 1; | |
265 | return region->paddr; | |
266 | } | |
267 | } | |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
272 | static int __msm_pmem_table_del(struct msm_sync *sync, | |
273 | struct msm_pmem_info *pinfo) | |
274 | { | |
275 | int rc = 0; | |
276 | struct msm_pmem_region *region; | |
277 | struct hlist_node *node, *n; | |
278 | ||
279 | switch (pinfo->type) { | |
280 | case MSM_PMEM_OUTPUT1: | |
281 | case MSM_PMEM_OUTPUT2: | |
282 | case MSM_PMEM_THUMBAIL: | |
283 | case MSM_PMEM_MAINIMG: | |
284 | case MSM_PMEM_RAW_MAINIMG: | |
285 | hlist_for_each_entry_safe(region, node, n, | |
286 | &sync->frame, list) { | |
287 | ||
288 | if (pinfo->type == region->type && | |
289 | pinfo->vaddr == region->vaddr && | |
290 | pinfo->fd == region->fd) { | |
291 | hlist_del(node); | |
292 | put_pmem_file(region->file); | |
293 | kfree(region); | |
294 | } | |
295 | } | |
296 | break; | |
297 | ||
298 | case MSM_PMEM_AEC_AWB: | |
299 | case MSM_PMEM_AF: | |
300 | hlist_for_each_entry_safe(region, node, n, | |
301 | &sync->stats, list) { | |
302 | ||
303 | if (pinfo->type == region->type && | |
304 | pinfo->vaddr == region->vaddr && | |
305 | pinfo->fd == region->fd) { | |
306 | hlist_del(node); | |
307 | put_pmem_file(region->file); | |
308 | kfree(region); | |
309 | } | |
310 | } | |
311 | break; | |
312 | ||
313 | default: | |
314 | rc = -EINVAL; | |
315 | break; | |
316 | } | |
317 | ||
318 | return rc; | |
319 | } | |
320 | ||
321 | static int msm_pmem_table_del(struct msm_sync *sync, void __user *arg) | |
322 | { | |
323 | struct msm_pmem_info info; | |
324 | ||
325 | if (copy_from_user(&info, arg, sizeof(info))) { | |
326 | ERR_COPY_FROM_USER(); | |
327 | return -EFAULT; | |
328 | } | |
329 | ||
330 | return __msm_pmem_table_del(sync, &info); | |
331 | } | |
332 | ||
333 | static int __msm_get_frame(struct msm_sync *sync, | |
334 | struct msm_frame *frame) | |
335 | { | |
336 | unsigned long flags; | |
337 | int rc = 0; | |
338 | ||
339 | struct msm_queue_cmd *qcmd = NULL; | |
340 | struct msm_vfe_phy_info *pphy; | |
341 | ||
342 | spin_lock_irqsave(&sync->prev_frame_q_lock, flags); | |
343 | if (!list_empty(&sync->prev_frame_q)) { | |
344 | qcmd = list_first_entry(&sync->prev_frame_q, | |
345 | struct msm_queue_cmd, list); | |
346 | list_del_init(&qcmd->list); | |
347 | } | |
348 | spin_unlock_irqrestore(&sync->prev_frame_q_lock, flags); | |
349 | ||
350 | if (!qcmd) { | |
351 | pr_err("%s: no preview frame.\n", __func__); | |
352 | return -EAGAIN; | |
353 | } | |
354 | ||
355 | pphy = (struct msm_vfe_phy_info *)(qcmd->command); | |
356 | ||
357 | frame->buffer = | |
358 | msm_pmem_frame_ptov_lookup(sync, | |
359 | pphy->y_phy, | |
360 | pphy->cbcr_phy, &(frame->y_off), | |
361 | &(frame->cbcr_off), &(frame->fd)); | |
362 | if (!frame->buffer) { | |
363 | pr_err("%s: cannot get frame, invalid lookup address " | |
364 | "y=%x cbcr=%x offset=%d\n", | |
451ff373 | 365 | __func__, |
eb7b797b BS |
366 | pphy->y_phy, |
367 | pphy->cbcr_phy, | |
368 | frame->y_off); | |
369 | rc = -EINVAL; | |
370 | } | |
371 | ||
372 | CDBG("__msm_get_frame: y=0x%x, cbcr=0x%x, qcmd=0x%x, virt_addr=0x%x\n", | |
373 | pphy->y_phy, pphy->cbcr_phy, (int) qcmd, (int) frame->buffer); | |
374 | ||
375 | kfree(qcmd); | |
376 | return rc; | |
377 | } | |
378 | ||
379 | static int msm_get_frame(struct msm_sync *sync, void __user *arg) | |
380 | { | |
381 | int rc = 0; | |
382 | struct msm_frame frame; | |
383 | ||
384 | if (copy_from_user(&frame, | |
385 | arg, | |
386 | sizeof(struct msm_frame))) { | |
387 | ERR_COPY_FROM_USER(); | |
388 | return -EFAULT; | |
389 | } | |
390 | ||
391 | rc = __msm_get_frame(sync, &frame); | |
392 | if (rc < 0) | |
393 | return rc; | |
394 | ||
395 | if (sync->croplen) { | |
396 | if (frame.croplen > sync->croplen) { | |
397 | pr_err("msm_get_frame: invalid frame croplen %d\n", | |
398 | frame.croplen); | |
399 | return -EINVAL; | |
400 | } | |
401 | ||
402 | if (copy_to_user((void *)frame.cropinfo, | |
403 | sync->cropinfo, | |
404 | sync->croplen)) { | |
405 | ERR_COPY_TO_USER(); | |
406 | return -EFAULT; | |
407 | } | |
408 | } | |
409 | ||
410 | if (copy_to_user((void *)arg, | |
411 | &frame, sizeof(struct msm_frame))) { | |
412 | ERR_COPY_TO_USER(); | |
413 | rc = -EFAULT; | |
414 | } | |
415 | ||
416 | CDBG("Got frame!!!\n"); | |
417 | ||
418 | return rc; | |
419 | } | |
420 | ||
421 | static int msm_enable_vfe(struct msm_sync *sync, void __user *arg) | |
422 | { | |
423 | int rc = -EIO; | |
424 | struct camera_enable_cmd cfg; | |
425 | ||
426 | if (copy_from_user(&cfg, | |
427 | arg, | |
428 | sizeof(struct camera_enable_cmd))) { | |
429 | ERR_COPY_FROM_USER(); | |
430 | return -EFAULT; | |
431 | } | |
432 | ||
433 | if (sync->vfefn.vfe_enable) | |
434 | rc = sync->vfefn.vfe_enable(&cfg); | |
435 | ||
436 | CDBG("msm_enable_vfe: returned rc = %d\n", rc); | |
437 | return rc; | |
438 | } | |
439 | ||
440 | static int msm_disable_vfe(struct msm_sync *sync, void __user *arg) | |
441 | { | |
442 | int rc = -EIO; | |
443 | struct camera_enable_cmd cfg; | |
444 | ||
445 | if (copy_from_user(&cfg, | |
446 | arg, | |
447 | sizeof(struct camera_enable_cmd))) { | |
448 | ERR_COPY_FROM_USER(); | |
449 | return -EFAULT; | |
450 | } | |
451 | ||
452 | if (sync->vfefn.vfe_disable) | |
453 | rc = sync->vfefn.vfe_disable(&cfg, NULL); | |
454 | ||
455 | CDBG("msm_disable_vfe: returned rc = %d\n", rc); | |
456 | return rc; | |
457 | } | |
458 | ||
451ff373 | 459 | static struct msm_queue_cmd *__msm_control(struct msm_sync *sync, |
eb7b797b BS |
460 | struct msm_control_device_queue *queue, |
461 | struct msm_queue_cmd *qcmd, | |
462 | int timeout) | |
463 | { | |
464 | unsigned long flags; | |
465 | int rc; | |
466 | ||
467 | spin_lock_irqsave(&sync->msg_event_q_lock, flags); | |
468 | list_add_tail(&qcmd->list, &sync->msg_event_q); | |
469 | /* wake up config thread */ | |
470 | wake_up(&sync->msg_event_wait); | |
471 | spin_unlock_irqrestore(&sync->msg_event_q_lock, flags); | |
472 | ||
473 | if (!queue) | |
474 | return NULL; | |
475 | ||
476 | /* wait for config status */ | |
477 | rc = wait_event_interruptible_timeout( | |
478 | queue->ctrl_status_wait, | |
479 | !list_empty_careful(&queue->ctrl_status_q), | |
480 | timeout); | |
481 | if (list_empty_careful(&queue->ctrl_status_q)) { | |
482 | if (!rc) | |
483 | rc = -ETIMEDOUT; | |
484 | if (rc < 0) { | |
485 | pr_err("msm_control: wait_event error %d\n", rc); | |
486 | #if 0 | |
487 | /* This is a bit scary. If we time out too early, we | |
488 | * will free qcmd at the end of this function, and the | |
489 | * dsp may do the same when it does respond, so we | |
490 | * remove the message from the source queue. | |
491 | */ | |
492 | pr_err("%s: error waiting for ctrl_status_q: %d\n", | |
493 | __func__, rc); | |
494 | spin_lock_irqsave(&sync->msg_event_q_lock, flags); | |
495 | list_del_init(&qcmd->list); | |
496 | spin_unlock_irqrestore(&sync->msg_event_q_lock, flags); | |
497 | #endif | |
498 | return ERR_PTR(rc); | |
499 | } | |
500 | } | |
501 | ||
502 | /* control command status is ready */ | |
503 | spin_lock_irqsave(&queue->ctrl_status_q_lock, flags); | |
504 | BUG_ON(list_empty(&queue->ctrl_status_q)); | |
505 | qcmd = list_first_entry(&queue->ctrl_status_q, | |
506 | struct msm_queue_cmd, list); | |
507 | list_del_init(&qcmd->list); | |
508 | spin_unlock_irqrestore(&queue->ctrl_status_q_lock, flags); | |
509 | ||
510 | return qcmd; | |
511 | } | |
512 | ||
513 | static int msm_control(struct msm_control_device *ctrl_pmsm, | |
514 | int block, | |
515 | void __user *arg) | |
516 | { | |
517 | int rc = 0; | |
518 | ||
519 | struct msm_sync *sync = ctrl_pmsm->pmsm->sync; | |
520 | struct msm_ctrl_cmd udata, *ctrlcmd; | |
521 | struct msm_queue_cmd *qcmd = NULL, *qcmd_temp; | |
522 | ||
523 | if (copy_from_user(&udata, arg, sizeof(struct msm_ctrl_cmd))) { | |
524 | ERR_COPY_FROM_USER(); | |
525 | rc = -EFAULT; | |
526 | goto end; | |
527 | } | |
528 | ||
529 | qcmd = kmalloc(sizeof(struct msm_queue_cmd) + | |
530 | sizeof(struct msm_ctrl_cmd) + udata.length, | |
531 | GFP_KERNEL); | |
532 | if (!qcmd) { | |
533 | pr_err("msm_control: cannot allocate buffer\n"); | |
534 | rc = -ENOMEM; | |
535 | goto end; | |
536 | } | |
537 | ||
538 | qcmd->type = MSM_CAM_Q_CTRL; | |
539 | qcmd->command = ctrlcmd = (struct msm_ctrl_cmd *)(qcmd + 1); | |
540 | *ctrlcmd = udata; | |
541 | ctrlcmd->value = ctrlcmd + 1; | |
542 | ||
543 | if (udata.length) { | |
544 | if (copy_from_user(ctrlcmd->value, | |
545 | udata.value, udata.length)) { | |
546 | ERR_COPY_FROM_USER(); | |
547 | rc = -EFAULT; | |
548 | goto end; | |
549 | } | |
550 | } | |
551 | ||
552 | if (!block) { | |
553 | /* qcmd will be set to NULL */ | |
554 | qcmd = __msm_control(sync, NULL, qcmd, 0); | |
555 | goto end; | |
556 | } | |
557 | ||
558 | qcmd_temp = __msm_control(sync, | |
559 | &ctrl_pmsm->ctrl_q, | |
560 | qcmd, MAX_SCHEDULE_TIMEOUT); | |
561 | ||
562 | if (IS_ERR(qcmd_temp)) { | |
563 | rc = PTR_ERR(qcmd_temp); | |
564 | goto end; | |
565 | } | |
566 | qcmd = qcmd_temp; | |
567 | ||
568 | if (qcmd->command) { | |
569 | void __user *to = udata.value; | |
570 | udata = *(struct msm_ctrl_cmd *)qcmd->command; | |
571 | if (udata.length > 0) { | |
572 | if (copy_to_user(to, | |
573 | udata.value, | |
574 | udata.length)) { | |
575 | ERR_COPY_TO_USER(); | |
576 | rc = -EFAULT; | |
577 | goto end; | |
578 | } | |
579 | } | |
580 | udata.value = to; | |
581 | ||
582 | if (copy_to_user((void *)arg, &udata, | |
583 | sizeof(struct msm_ctrl_cmd))) { | |
584 | ERR_COPY_TO_USER(); | |
585 | rc = -EFAULT; | |
586 | goto end; | |
587 | } | |
588 | } | |
589 | ||
590 | end: | |
591 | /* Note: if we get here as a result of an error, we will free the | |
592 | * qcmd that we kmalloc() in this function. When we come here as | |
593 | * a result of a successful completion, we are freeing the qcmd that | |
594 | * we dequeued from queue->ctrl_status_q. | |
595 | */ | |
451ff373 | 596 | kfree(qcmd); |
eb7b797b BS |
597 | |
598 | CDBG("msm_control: end rc = %d\n", rc); | |
599 | return rc; | |
600 | } | |
601 | ||
602 | static int msm_get_stats(struct msm_sync *sync, void __user *arg) | |
603 | { | |
604 | unsigned long flags; | |
605 | int timeout; | |
606 | int rc = 0; | |
607 | ||
608 | struct msm_stats_event_ctrl se; | |
609 | ||
610 | struct msm_queue_cmd *qcmd = NULL; | |
611 | struct msm_ctrl_cmd *ctrl = NULL; | |
612 | struct msm_vfe_resp *data = NULL; | |
613 | struct msm_stats_buf stats; | |
614 | ||
615 | if (copy_from_user(&se, arg, | |
616 | sizeof(struct msm_stats_event_ctrl))) { | |
617 | ERR_COPY_FROM_USER(); | |
618 | return -EFAULT; | |
619 | } | |
620 | ||
621 | timeout = (int)se.timeout_ms; | |
622 | ||
623 | CDBG("msm_get_stats timeout %d\n", timeout); | |
624 | rc = wait_event_interruptible_timeout( | |
625 | sync->msg_event_wait, | |
626 | !list_empty_careful(&sync->msg_event_q), | |
627 | msecs_to_jiffies(timeout)); | |
628 | if (list_empty_careful(&sync->msg_event_q)) { | |
629 | if (rc == 0) | |
630 | rc = -ETIMEDOUT; | |
631 | if (rc < 0) { | |
632 | pr_err("msm_get_stats error %d\n", rc); | |
633 | return rc; | |
634 | } | |
635 | } | |
636 | CDBG("msm_get_stats returned from wait: %d\n", rc); | |
637 | ||
638 | spin_lock_irqsave(&sync->msg_event_q_lock, flags); | |
639 | BUG_ON(list_empty(&sync->msg_event_q)); | |
640 | qcmd = list_first_entry(&sync->msg_event_q, | |
641 | struct msm_queue_cmd, list); | |
642 | list_del_init(&qcmd->list); | |
643 | spin_unlock_irqrestore(&sync->msg_event_q_lock, flags); | |
644 | ||
645 | CDBG("=== received from DSP === %d\n", qcmd->type); | |
646 | ||
647 | switch (qcmd->type) { | |
648 | case MSM_CAM_Q_VFE_EVT: | |
649 | case MSM_CAM_Q_VFE_MSG: | |
650 | data = (struct msm_vfe_resp *)(qcmd->command); | |
651 | ||
652 | /* adsp event and message */ | |
653 | se.resptype = MSM_CAM_RESP_STAT_EVT_MSG; | |
654 | ||
655 | /* 0 - msg from aDSP, 1 - event from mARM */ | |
656 | se.stats_event.type = data->evt_msg.type; | |
657 | se.stats_event.msg_id = data->evt_msg.msg_id; | |
658 | se.stats_event.len = data->evt_msg.len; | |
659 | ||
660 | CDBG("msm_get_stats, qcmd->type = %d\n", qcmd->type); | |
661 | CDBG("length = %d\n", se.stats_event.len); | |
662 | CDBG("msg_id = %d\n", se.stats_event.msg_id); | |
663 | ||
664 | if ((data->type == VFE_MSG_STATS_AF) || | |
665 | (data->type == VFE_MSG_STATS_WE)) { | |
666 | ||
667 | stats.buffer = | |
668 | msm_pmem_stats_ptov_lookup(sync, | |
669 | data->phy.sbuf_phy, | |
670 | &(stats.fd)); | |
671 | if (!stats.buffer) { | |
672 | pr_err("%s: msm_pmem_stats_ptov_lookup error\n", | |
451ff373 | 673 | __func__); |
eb7b797b BS |
674 | rc = -EINVAL; |
675 | goto failure; | |
676 | } | |
677 | ||
678 | if (copy_to_user((void *)(se.stats_event.data), | |
679 | &stats, | |
680 | sizeof(struct msm_stats_buf))) { | |
681 | ERR_COPY_TO_USER(); | |
682 | rc = -EFAULT; | |
683 | goto failure; | |
684 | } | |
685 | } else if ((data->evt_msg.len > 0) && | |
686 | (data->type == VFE_MSG_GENERAL)) { | |
687 | if (copy_to_user((void *)(se.stats_event.data), | |
688 | data->evt_msg.data, | |
689 | data->evt_msg.len)) { | |
690 | ERR_COPY_TO_USER(); | |
691 | rc = -EFAULT; | |
692 | } | |
693 | } else if (data->type == VFE_MSG_OUTPUT1 || | |
694 | data->type == VFE_MSG_OUTPUT2) { | |
695 | if (copy_to_user((void *)(se.stats_event.data), | |
696 | data->extdata, | |
697 | data->extlen)) { | |
698 | ERR_COPY_TO_USER(); | |
699 | rc = -EFAULT; | |
700 | } | |
701 | } else if (data->type == VFE_MSG_SNAPSHOT && sync->pict_pp) { | |
702 | struct msm_postproc buf; | |
703 | struct msm_pmem_region region; | |
704 | buf.fmnum = msm_pmem_region_lookup(&sync->frame, | |
705 | MSM_PMEM_MAINIMG, | |
706 | ®ion, 1); | |
707 | if (buf.fmnum == 1) { | |
708 | buf.fmain.buffer = (unsigned long)region.vaddr; | |
709 | buf.fmain.y_off = region.y_off; | |
710 | buf.fmain.cbcr_off = region.cbcr_off; | |
711 | buf.fmain.fd = region.fd; | |
712 | } else { | |
713 | buf.fmnum = msm_pmem_region_lookup(&sync->frame, | |
714 | MSM_PMEM_RAW_MAINIMG, | |
715 | ®ion, 1); | |
716 | if (buf.fmnum == 1) { | |
717 | buf.fmain.path = MSM_FRAME_PREV_2; | |
718 | buf.fmain.buffer = | |
719 | (unsigned long)region.vaddr; | |
720 | buf.fmain.fd = region.fd; | |
451ff373 | 721 | } else { |
eb7b797b BS |
722 | pr_err("%s: pmem lookup failed\n", |
723 | __func__); | |
724 | rc = -EINVAL; | |
725 | } | |
726 | } | |
727 | ||
728 | if (copy_to_user((void *)(se.stats_event.data), &buf, | |
729 | sizeof(buf))) { | |
730 | ERR_COPY_TO_USER(); | |
731 | rc = -EFAULT; | |
732 | goto failure; | |
733 | } | |
734 | CDBG("snapshot copy_to_user!\n"); | |
735 | } | |
736 | break; | |
737 | ||
738 | case MSM_CAM_Q_CTRL: | |
739 | /* control command from control thread */ | |
740 | ctrl = (struct msm_ctrl_cmd *)(qcmd->command); | |
741 | ||
742 | CDBG("msm_get_stats, qcmd->type = %d\n", qcmd->type); | |
743 | CDBG("length = %d\n", ctrl->length); | |
744 | ||
745 | if (ctrl->length > 0) { | |
746 | if (copy_to_user((void *)(se.ctrl_cmd.value), | |
747 | ctrl->value, | |
748 | ctrl->length)) { | |
749 | ERR_COPY_TO_USER(); | |
750 | rc = -EFAULT; | |
751 | goto failure; | |
752 | } | |
753 | } | |
754 | ||
755 | se.resptype = MSM_CAM_RESP_CTRL; | |
756 | ||
757 | /* what to control */ | |
758 | se.ctrl_cmd.type = ctrl->type; | |
759 | se.ctrl_cmd.length = ctrl->length; | |
760 | se.ctrl_cmd.resp_fd = ctrl->resp_fd; | |
761 | break; | |
762 | ||
763 | case MSM_CAM_Q_V4L2_REQ: | |
764 | /* control command from v4l2 client */ | |
765 | ctrl = (struct msm_ctrl_cmd *)(qcmd->command); | |
766 | ||
767 | CDBG("msm_get_stats, qcmd->type = %d\n", qcmd->type); | |
768 | CDBG("length = %d\n", ctrl->length); | |
769 | ||
770 | if (ctrl->length > 0) { | |
771 | if (copy_to_user((void *)(se.ctrl_cmd.value), | |
772 | ctrl->value, ctrl->length)) { | |
773 | ERR_COPY_TO_USER(); | |
774 | rc = -EFAULT; | |
775 | goto failure; | |
776 | } | |
777 | } | |
778 | ||
779 | /* 2 tells config thread this is v4l2 request */ | |
780 | se.resptype = MSM_CAM_RESP_V4L2; | |
781 | ||
782 | /* what to control */ | |
783 | se.ctrl_cmd.type = ctrl->type; | |
784 | se.ctrl_cmd.length = ctrl->length; | |
785 | break; | |
786 | ||
787 | default: | |
788 | rc = -EFAULT; | |
789 | goto failure; | |
790 | } /* switch qcmd->type */ | |
791 | ||
792 | if (copy_to_user((void *)arg, &se, sizeof(se))) { | |
793 | ERR_COPY_TO_USER(); | |
794 | rc = -EFAULT; | |
795 | } | |
796 | ||
797 | failure: | |
451ff373 | 798 | kfree(qcmd); |
eb7b797b BS |
799 | |
800 | CDBG("msm_get_stats: %d\n", rc); | |
801 | return rc; | |
802 | } | |
803 | ||
804 | static int msm_ctrl_cmd_done(struct msm_control_device *ctrl_pmsm, | |
805 | void __user *arg) | |
806 | { | |
807 | unsigned long flags; | |
808 | int rc = 0; | |
809 | ||
810 | struct msm_ctrl_cmd udata, *ctrlcmd; | |
811 | struct msm_queue_cmd *qcmd = NULL; | |
812 | ||
813 | if (copy_from_user(&udata, arg, sizeof(struct msm_ctrl_cmd))) { | |
814 | ERR_COPY_FROM_USER(); | |
815 | rc = -EFAULT; | |
816 | goto end; | |
817 | } | |
818 | ||
819 | qcmd = kmalloc(sizeof(struct msm_queue_cmd) + | |
820 | sizeof(struct msm_ctrl_cmd) + udata.length, | |
821 | GFP_KERNEL); | |
822 | if (!qcmd) { | |
823 | rc = -ENOMEM; | |
824 | goto end; | |
825 | } | |
826 | ||
827 | qcmd->command = ctrlcmd = (struct msm_ctrl_cmd *)(qcmd + 1); | |
828 | *ctrlcmd = udata; | |
829 | if (udata.length > 0) { | |
830 | ctrlcmd->value = ctrlcmd + 1; | |
831 | if (copy_from_user(ctrlcmd->value, | |
832 | (void *)udata.value, | |
833 | udata.length)) { | |
834 | ERR_COPY_FROM_USER(); | |
835 | rc = -EFAULT; | |
836 | kfree(qcmd); | |
837 | goto end; | |
838 | } | |
451ff373 JM |
839 | } else |
840 | ctrlcmd->value = NULL; | |
eb7b797b BS |
841 | |
842 | end: | |
843 | CDBG("msm_ctrl_cmd_done: end rc = %d\n", rc); | |
844 | if (rc == 0) { | |
845 | /* wake up control thread */ | |
846 | spin_lock_irqsave(&ctrl_pmsm->ctrl_q.ctrl_status_q_lock, flags); | |
847 | list_add_tail(&qcmd->list, &ctrl_pmsm->ctrl_q.ctrl_status_q); | |
848 | wake_up(&ctrl_pmsm->ctrl_q.ctrl_status_wait); | |
849 | spin_unlock_irqrestore(&ctrl_pmsm->ctrl_q.ctrl_status_q_lock, flags); | |
850 | } | |
851 | ||
852 | return rc; | |
853 | } | |
854 | ||
855 | static int msm_config_vfe(struct msm_sync *sync, void __user *arg) | |
856 | { | |
857 | struct msm_vfe_cfg_cmd cfgcmd; | |
858 | struct msm_pmem_region region[8]; | |
859 | struct axidata axi_data; | |
860 | void *data = NULL; | |
861 | int rc = -EIO; | |
862 | ||
863 | memset(&axi_data, 0, sizeof(axi_data)); | |
864 | ||
865 | if (copy_from_user(&cfgcmd, arg, sizeof(cfgcmd))) { | |
866 | ERR_COPY_FROM_USER(); | |
867 | return -EFAULT; | |
868 | } | |
869 | ||
451ff373 | 870 | switch (cfgcmd.cmd_type) { |
eb7b797b BS |
871 | case CMD_STATS_ENABLE: |
872 | axi_data.bufnum1 = | |
873 | msm_pmem_region_lookup(&sync->stats, | |
874 | MSM_PMEM_AEC_AWB, ®ion[0], | |
875 | NUM_WB_EXP_STAT_OUTPUT_BUFFERS); | |
876 | if (!axi_data.bufnum1) { | |
451ff373 | 877 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
878 | return -EINVAL; |
879 | } | |
880 | axi_data.region = ®ion[0]; | |
881 | data = &axi_data; | |
882 | break; | |
883 | case CMD_STATS_AF_ENABLE: | |
884 | axi_data.bufnum1 = | |
885 | msm_pmem_region_lookup(&sync->stats, | |
886 | MSM_PMEM_AF, ®ion[0], | |
887 | NUM_AF_STAT_OUTPUT_BUFFERS); | |
888 | if (!axi_data.bufnum1) { | |
451ff373 | 889 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
890 | return -EINVAL; |
891 | } | |
892 | axi_data.region = ®ion[0]; | |
893 | data = &axi_data; | |
894 | break; | |
895 | case CMD_GENERAL: | |
896 | case CMD_STATS_DISABLE: | |
897 | break; | |
898 | default: | |
899 | pr_err("%s: unknown command type %d\n", | |
451ff373 | 900 | __func__, cfgcmd.cmd_type); |
eb7b797b BS |
901 | return -EINVAL; |
902 | } | |
903 | ||
904 | ||
905 | if (sync->vfefn.vfe_config) | |
906 | rc = sync->vfefn.vfe_config(&cfgcmd, data); | |
907 | ||
908 | return rc; | |
909 | } | |
910 | ||
911 | static int msm_frame_axi_cfg(struct msm_sync *sync, | |
912 | struct msm_vfe_cfg_cmd *cfgcmd) | |
913 | { | |
914 | int rc = -EIO; | |
915 | struct axidata axi_data; | |
916 | void *data = &axi_data; | |
917 | struct msm_pmem_region region[8]; | |
918 | int pmem_type; | |
919 | ||
920 | memset(&axi_data, 0, sizeof(axi_data)); | |
921 | ||
922 | switch (cfgcmd->cmd_type) { | |
923 | case CMD_AXI_CFG_OUT1: | |
924 | pmem_type = MSM_PMEM_OUTPUT1; | |
925 | axi_data.bufnum1 = | |
926 | msm_pmem_region_lookup(&sync->frame, pmem_type, | |
927 | ®ion[0], 8); | |
928 | if (!axi_data.bufnum1) { | |
451ff373 | 929 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
930 | return -EINVAL; |
931 | } | |
932 | break; | |
933 | ||
934 | case CMD_AXI_CFG_OUT2: | |
935 | pmem_type = MSM_PMEM_OUTPUT2; | |
936 | axi_data.bufnum2 = | |
937 | msm_pmem_region_lookup(&sync->frame, pmem_type, | |
938 | ®ion[0], 8); | |
939 | if (!axi_data.bufnum2) { | |
451ff373 | 940 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
941 | return -EINVAL; |
942 | } | |
943 | break; | |
944 | ||
945 | case CMD_AXI_CFG_SNAP_O1_AND_O2: | |
946 | pmem_type = MSM_PMEM_THUMBAIL; | |
947 | axi_data.bufnum1 = | |
948 | msm_pmem_region_lookup(&sync->frame, pmem_type, | |
949 | ®ion[0], 8); | |
950 | if (!axi_data.bufnum1) { | |
451ff373 | 951 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
952 | return -EINVAL; |
953 | } | |
954 | ||
955 | pmem_type = MSM_PMEM_MAINIMG; | |
956 | axi_data.bufnum2 = | |
957 | msm_pmem_region_lookup(&sync->frame, pmem_type, | |
958 | ®ion[axi_data.bufnum1], 8); | |
959 | if (!axi_data.bufnum2) { | |
451ff373 | 960 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
961 | return -EINVAL; |
962 | } | |
963 | break; | |
964 | ||
965 | case CMD_RAW_PICT_AXI_CFG: | |
966 | pmem_type = MSM_PMEM_RAW_MAINIMG; | |
967 | axi_data.bufnum2 = | |
968 | msm_pmem_region_lookup(&sync->frame, pmem_type, | |
969 | ®ion[0], 8); | |
970 | if (!axi_data.bufnum2) { | |
451ff373 | 971 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
972 | return -EINVAL; |
973 | } | |
974 | break; | |
975 | ||
976 | case CMD_GENERAL: | |
977 | data = NULL; | |
978 | break; | |
979 | ||
980 | default: | |
981 | pr_err("%s: unknown command type %d\n", | |
451ff373 | 982 | __func__, cfgcmd->cmd_type); |
eb7b797b BS |
983 | return -EINVAL; |
984 | } | |
985 | ||
986 | axi_data.region = ®ion[0]; | |
987 | ||
988 | /* send the AXI configuration command to driver */ | |
989 | if (sync->vfefn.vfe_config) | |
990 | rc = sync->vfefn.vfe_config(cfgcmd, data); | |
991 | ||
992 | return rc; | |
993 | } | |
994 | ||
995 | static int msm_get_sensor_info(struct msm_sync *sync, void __user *arg) | |
996 | { | |
997 | int rc = 0; | |
998 | struct msm_camsensor_info info; | |
999 | struct msm_camera_sensor_info *sdata; | |
1000 | ||
1001 | if (copy_from_user(&info, | |
1002 | arg, | |
1003 | sizeof(struct msm_camsensor_info))) { | |
1004 | ERR_COPY_FROM_USER(); | |
1005 | return -EFAULT; | |
1006 | } | |
1007 | ||
1008 | sdata = sync->pdev->dev.platform_data; | |
1009 | CDBG("sensor_name %s\n", sdata->sensor_name); | |
1010 | ||
1011 | memcpy(&info.name[0], | |
1012 | sdata->sensor_name, | |
1013 | MAX_SENSOR_NAME); | |
1014 | info.flash_enabled = sdata->flash_type != MSM_CAMERA_FLASH_NONE; | |
1015 | ||
1016 | /* copy back to user space */ | |
1017 | if (copy_to_user((void *)arg, | |
1018 | &info, | |
1019 | sizeof(struct msm_camsensor_info))) { | |
1020 | ERR_COPY_TO_USER(); | |
1021 | rc = -EFAULT; | |
1022 | } | |
1023 | ||
1024 | return rc; | |
1025 | } | |
1026 | ||
1027 | static int __msm_put_frame_buf(struct msm_sync *sync, | |
1028 | struct msm_frame *pb) | |
1029 | { | |
1030 | unsigned long pphy; | |
1031 | struct msm_vfe_cfg_cmd cfgcmd; | |
1032 | ||
1033 | int rc = -EIO; | |
1034 | ||
1035 | pphy = msm_pmem_frame_vtop_lookup(sync, | |
1036 | pb->buffer, | |
1037 | pb->y_off, pb->cbcr_off, pb->fd); | |
1038 | ||
1039 | if (pphy != 0) { | |
1040 | CDBG("rel: vaddr = 0x%lx, paddr = 0x%lx\n", | |
1041 | pb->buffer, pphy); | |
1042 | cfgcmd.cmd_type = CMD_FRAME_BUF_RELEASE; | |
1043 | cfgcmd.value = (void *)pb; | |
1044 | if (sync->vfefn.vfe_config) | |
1045 | rc = sync->vfefn.vfe_config(&cfgcmd, &pphy); | |
1046 | } else { | |
1047 | pr_err("%s: msm_pmem_frame_vtop_lookup failed\n", | |
451ff373 | 1048 | __func__); |
eb7b797b BS |
1049 | rc = -EINVAL; |
1050 | } | |
1051 | ||
1052 | return rc; | |
1053 | } | |
1054 | ||
1055 | static int msm_put_frame_buffer(struct msm_sync *sync, void __user *arg) | |
1056 | { | |
1057 | struct msm_frame buf_t; | |
1058 | ||
1059 | if (copy_from_user(&buf_t, | |
1060 | arg, | |
1061 | sizeof(struct msm_frame))) { | |
1062 | ERR_COPY_FROM_USER(); | |
1063 | return -EFAULT; | |
1064 | } | |
1065 | ||
1066 | return __msm_put_frame_buf(sync, &buf_t); | |
1067 | } | |
1068 | ||
1069 | static int __msm_register_pmem(struct msm_sync *sync, | |
1070 | struct msm_pmem_info *pinfo) | |
1071 | { | |
1072 | int rc = 0; | |
1073 | ||
1074 | switch (pinfo->type) { | |
1075 | case MSM_PMEM_OUTPUT1: | |
1076 | case MSM_PMEM_OUTPUT2: | |
1077 | case MSM_PMEM_THUMBAIL: | |
1078 | case MSM_PMEM_MAINIMG: | |
1079 | case MSM_PMEM_RAW_MAINIMG: | |
1080 | rc = msm_pmem_table_add(&sync->frame, pinfo); | |
1081 | break; | |
1082 | ||
1083 | case MSM_PMEM_AEC_AWB: | |
1084 | case MSM_PMEM_AF: | |
1085 | rc = msm_pmem_table_add(&sync->stats, pinfo); | |
1086 | break; | |
1087 | ||
1088 | default: | |
1089 | rc = -EINVAL; | |
1090 | break; | |
1091 | } | |
1092 | ||
1093 | return rc; | |
1094 | } | |
1095 | ||
1096 | static int msm_register_pmem(struct msm_sync *sync, void __user *arg) | |
1097 | { | |
1098 | struct msm_pmem_info info; | |
1099 | ||
1100 | if (copy_from_user(&info, arg, sizeof(info))) { | |
1101 | ERR_COPY_FROM_USER(); | |
1102 | return -EFAULT; | |
1103 | } | |
1104 | ||
1105 | return __msm_register_pmem(sync, &info); | |
1106 | } | |
1107 | ||
1108 | static int msm_stats_axi_cfg(struct msm_sync *sync, | |
1109 | struct msm_vfe_cfg_cmd *cfgcmd) | |
1110 | { | |
1111 | int rc = -EIO; | |
1112 | struct axidata axi_data; | |
1113 | void *data = &axi_data; | |
1114 | ||
1115 | struct msm_pmem_region region[3]; | |
1116 | int pmem_type = MSM_PMEM_MAX; | |
1117 | ||
1118 | memset(&axi_data, 0, sizeof(axi_data)); | |
1119 | ||
1120 | switch (cfgcmd->cmd_type) { | |
1121 | case CMD_STATS_AXI_CFG: | |
1122 | pmem_type = MSM_PMEM_AEC_AWB; | |
1123 | break; | |
1124 | case CMD_STATS_AF_AXI_CFG: | |
1125 | pmem_type = MSM_PMEM_AF; | |
1126 | break; | |
1127 | case CMD_GENERAL: | |
1128 | data = NULL; | |
1129 | break; | |
1130 | default: | |
1131 | pr_err("%s: unknown command type %d\n", | |
451ff373 | 1132 | __func__, cfgcmd->cmd_type); |
eb7b797b BS |
1133 | return -EINVAL; |
1134 | } | |
1135 | ||
1136 | if (cfgcmd->cmd_type != CMD_GENERAL) { | |
1137 | axi_data.bufnum1 = | |
1138 | msm_pmem_region_lookup(&sync->stats, pmem_type, | |
1139 | ®ion[0], NUM_WB_EXP_STAT_OUTPUT_BUFFERS); | |
1140 | if (!axi_data.bufnum1) { | |
451ff373 | 1141 | pr_err("%s: pmem region lookup error\n", __func__); |
eb7b797b BS |
1142 | return -EINVAL; |
1143 | } | |
1144 | axi_data.region = ®ion[0]; | |
1145 | } | |
1146 | ||
1147 | /* send the AEC/AWB STATS configuration command to driver */ | |
1148 | if (sync->vfefn.vfe_config) | |
1149 | rc = sync->vfefn.vfe_config(cfgcmd, &axi_data); | |
1150 | ||
1151 | return rc; | |
1152 | } | |
1153 | ||
1154 | static int msm_put_stats_buffer(struct msm_sync *sync, void __user *arg) | |
1155 | { | |
1156 | int rc = -EIO; | |
1157 | ||
1158 | struct msm_stats_buf buf; | |
1159 | unsigned long pphy; | |
1160 | struct msm_vfe_cfg_cmd cfgcmd; | |
1161 | ||
1162 | if (copy_from_user(&buf, arg, | |
1163 | sizeof(struct msm_stats_buf))) { | |
1164 | ERR_COPY_FROM_USER(); | |
1165 | return -EFAULT; | |
1166 | } | |
1167 | ||
1168 | CDBG("msm_put_stats_buffer\n"); | |
1169 | pphy = msm_pmem_stats_vtop_lookup(sync, buf.buffer, buf.fd); | |
1170 | ||
1171 | if (pphy != 0) { | |
1172 | if (buf.type == STAT_AEAW) | |
1173 | cfgcmd.cmd_type = CMD_STATS_BUF_RELEASE; | |
1174 | else if (buf.type == STAT_AF) | |
1175 | cfgcmd.cmd_type = CMD_STATS_AF_BUF_RELEASE; | |
1176 | else { | |
1177 | pr_err("%s: invalid buf type %d\n", | |
451ff373 | 1178 | __func__, |
eb7b797b BS |
1179 | buf.type); |
1180 | rc = -EINVAL; | |
1181 | goto put_done; | |
1182 | } | |
1183 | ||
1184 | cfgcmd.value = (void *)&buf; | |
1185 | ||
1186 | if (sync->vfefn.vfe_config) { | |
1187 | rc = sync->vfefn.vfe_config(&cfgcmd, &pphy); | |
1188 | if (rc < 0) | |
1189 | pr_err("msm_put_stats_buffer: "\ | |
1190 | "vfe_config err %d\n", rc); | |
1191 | } else | |
1192 | pr_err("msm_put_stats_buffer: vfe_config is NULL\n"); | |
1193 | } else { | |
1194 | pr_err("msm_put_stats_buffer: NULL physical address\n"); | |
1195 | rc = -EINVAL; | |
1196 | } | |
1197 | ||
1198 | put_done: | |
1199 | return rc; | |
1200 | } | |
1201 | ||
1202 | static int msm_axi_config(struct msm_sync *sync, void __user *arg) | |
1203 | { | |
1204 | struct msm_vfe_cfg_cmd cfgcmd; | |
1205 | ||
1206 | if (copy_from_user(&cfgcmd, arg, sizeof(cfgcmd))) { | |
1207 | ERR_COPY_FROM_USER(); | |
1208 | return -EFAULT; | |
1209 | } | |
1210 | ||
1211 | switch (cfgcmd.cmd_type) { | |
1212 | case CMD_AXI_CFG_OUT1: | |
1213 | case CMD_AXI_CFG_OUT2: | |
1214 | case CMD_AXI_CFG_SNAP_O1_AND_O2: | |
1215 | case CMD_RAW_PICT_AXI_CFG: | |
1216 | return msm_frame_axi_cfg(sync, &cfgcmd); | |
1217 | ||
1218 | case CMD_STATS_AXI_CFG: | |
1219 | case CMD_STATS_AF_AXI_CFG: | |
1220 | return msm_stats_axi_cfg(sync, &cfgcmd); | |
1221 | ||
1222 | default: | |
1223 | pr_err("%s: unknown command type %d\n", | |
451ff373 | 1224 | __func__, |
eb7b797b BS |
1225 | cfgcmd.cmd_type); |
1226 | return -EINVAL; | |
1227 | } | |
1228 | ||
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | static int __msm_get_pic(struct msm_sync *sync, struct msm_ctrl_cmd *ctrl) | |
1233 | { | |
1234 | unsigned long flags; | |
1235 | int rc = 0; | |
1236 | int tm; | |
1237 | ||
1238 | struct msm_queue_cmd *qcmd = NULL; | |
1239 | ||
1240 | tm = (int)ctrl->timeout_ms; | |
1241 | ||
1242 | rc = wait_event_interruptible_timeout( | |
1243 | sync->pict_frame_wait, | |
1244 | !list_empty_careful(&sync->pict_frame_q), | |
1245 | msecs_to_jiffies(tm)); | |
1246 | if (list_empty_careful(&sync->pict_frame_q)) { | |
1247 | if (rc == 0) | |
1248 | return -ETIMEDOUT; | |
1249 | if (rc < 0) { | |
1250 | pr_err("msm_camera_get_picture, rc = %d\n", rc); | |
1251 | return rc; | |
1252 | } | |
1253 | } | |
1254 | ||
1255 | spin_lock_irqsave(&sync->pict_frame_q_lock, flags); | |
1256 | BUG_ON(list_empty(&sync->pict_frame_q)); | |
1257 | qcmd = list_first_entry(&sync->pict_frame_q, | |
1258 | struct msm_queue_cmd, list); | |
1259 | list_del_init(&qcmd->list); | |
1260 | spin_unlock_irqrestore(&sync->pict_frame_q_lock, flags); | |
1261 | ||
1262 | if (qcmd->command != NULL) { | |
1263 | struct msm_ctrl_cmd *q = | |
1264 | (struct msm_ctrl_cmd *)qcmd->command; | |
1265 | ctrl->type = q->type; | |
1266 | ctrl->status = q->status; | |
1267 | } else { | |
1268 | ctrl->type = -1; | |
1269 | ctrl->status = -1; | |
1270 | } | |
1271 | ||
1272 | kfree(qcmd); | |
1273 | return rc; | |
1274 | } | |
1275 | ||
1276 | static int msm_get_pic(struct msm_sync *sync, void __user *arg) | |
1277 | { | |
1278 | struct msm_ctrl_cmd ctrlcmd_t; | |
1279 | int rc; | |
1280 | ||
1281 | if (copy_from_user(&ctrlcmd_t, | |
1282 | arg, | |
1283 | sizeof(struct msm_ctrl_cmd))) { | |
1284 | ERR_COPY_FROM_USER(); | |
1285 | return -EFAULT; | |
1286 | } | |
1287 | ||
1288 | rc = __msm_get_pic(sync, &ctrlcmd_t); | |
1289 | if (rc < 0) | |
1290 | return rc; | |
1291 | ||
1292 | if (sync->croplen) { | |
1293 | if (ctrlcmd_t.length < sync->croplen) { | |
1294 | pr_err("msm_get_pic: invalid len %d\n", | |
1295 | ctrlcmd_t.length); | |
1296 | return -EINVAL; | |
1297 | } | |
1298 | if (copy_to_user(ctrlcmd_t.value, | |
1299 | sync->cropinfo, | |
1300 | sync->croplen)) { | |
1301 | ERR_COPY_TO_USER(); | |
1302 | return -EFAULT; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | if (copy_to_user((void *)arg, | |
1307 | &ctrlcmd_t, | |
1308 | sizeof(struct msm_ctrl_cmd))) { | |
1309 | ERR_COPY_TO_USER(); | |
1310 | return -EFAULT; | |
1311 | } | |
1312 | return 0; | |
1313 | } | |
1314 | ||
1315 | static int msm_set_crop(struct msm_sync *sync, void __user *arg) | |
1316 | { | |
1317 | struct crop_info crop; | |
1318 | ||
1319 | if (copy_from_user(&crop, | |
1320 | arg, | |
1321 | sizeof(struct crop_info))) { | |
1322 | ERR_COPY_FROM_USER(); | |
1323 | return -EFAULT; | |
1324 | } | |
1325 | ||
1326 | if (!sync->croplen) { | |
1327 | sync->cropinfo = kmalloc(crop.len, GFP_KERNEL); | |
1328 | if (!sync->cropinfo) | |
1329 | return -ENOMEM; | |
1330 | } else if (sync->croplen < crop.len) | |
1331 | return -EINVAL; | |
1332 | ||
1333 | if (copy_from_user(sync->cropinfo, | |
1334 | crop.info, | |
1335 | crop.len)) { | |
1336 | ERR_COPY_FROM_USER(); | |
1337 | kfree(sync->cropinfo); | |
1338 | return -EFAULT; | |
1339 | } | |
1340 | ||
1341 | sync->croplen = crop.len; | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | static int msm_pict_pp_done(struct msm_sync *sync, void __user *arg) | |
1347 | { | |
1348 | struct msm_ctrl_cmd udata; | |
1349 | struct msm_ctrl_cmd *ctrlcmd = NULL; | |
1350 | struct msm_queue_cmd *qcmd = NULL; | |
1351 | unsigned long flags; | |
1352 | int rc = 0; | |
1353 | ||
1354 | if (!sync->pict_pp) | |
1355 | return -EINVAL; | |
1356 | ||
1357 | if (copy_from_user(&udata, arg, sizeof(struct msm_ctrl_cmd))) { | |
1358 | ERR_COPY_FROM_USER(); | |
1359 | rc = -EFAULT; | |
1360 | goto pp_fail; | |
1361 | } | |
1362 | ||
1363 | qcmd = kmalloc(sizeof(struct msm_queue_cmd) + | |
1364 | sizeof(struct msm_ctrl_cmd), | |
1365 | GFP_KERNEL); | |
1366 | if (!qcmd) { | |
1367 | rc = -ENOMEM; | |
1368 | goto pp_fail; | |
1369 | } | |
1370 | ||
1371 | qcmd->type = MSM_CAM_Q_VFE_MSG; | |
1372 | qcmd->command = ctrlcmd = (struct msm_ctrl_cmd *)(qcmd + 1); | |
1373 | memset(ctrlcmd, 0, sizeof(struct msm_ctrl_cmd)); | |
1374 | ctrlcmd->type = udata.type; | |
1375 | ctrlcmd->status = udata.status; | |
1376 | ||
1377 | spin_lock_irqsave(&sync->pict_frame_q_lock, flags); | |
1378 | list_add_tail(&qcmd->list, &sync->pict_frame_q); | |
1379 | spin_unlock_irqrestore(&sync->pict_frame_q_lock, flags); | |
1380 | wake_up(&sync->pict_frame_wait); | |
1381 | ||
1382 | pp_fail: | |
1383 | return rc; | |
1384 | } | |
1385 | ||
1386 | static long msm_ioctl_common(struct msm_device *pmsm, | |
1387 | unsigned int cmd, | |
1388 | void __user *argp) | |
1389 | { | |
1390 | CDBG("msm_ioctl_common\n"); | |
1391 | switch (cmd) { | |
1392 | case MSM_CAM_IOCTL_REGISTER_PMEM: | |
1393 | return msm_register_pmem(pmsm->sync, argp); | |
1394 | case MSM_CAM_IOCTL_UNREGISTER_PMEM: | |
1395 | return msm_pmem_table_del(pmsm->sync, argp); | |
1396 | default: | |
1397 | return -EINVAL; | |
1398 | } | |
1399 | } | |
1400 | ||
1401 | static long msm_ioctl_config(struct file *filep, unsigned int cmd, | |
1402 | unsigned long arg) | |
1403 | { | |
1404 | int rc = -EINVAL; | |
1405 | void __user *argp = (void __user *)arg; | |
1406 | struct msm_device *pmsm = filep->private_data; | |
1407 | ||
1408 | CDBG("msm_ioctl_config cmd = %d\n", _IOC_NR(cmd)); | |
1409 | ||
1410 | switch (cmd) { | |
1411 | case MSM_CAM_IOCTL_GET_SENSOR_INFO: | |
1412 | rc = msm_get_sensor_info(pmsm->sync, argp); | |
1413 | break; | |
1414 | ||
1415 | case MSM_CAM_IOCTL_CONFIG_VFE: | |
1416 | /* Coming from config thread for update */ | |
1417 | rc = msm_config_vfe(pmsm->sync, argp); | |
1418 | break; | |
1419 | ||
1420 | case MSM_CAM_IOCTL_GET_STATS: | |
1421 | /* Coming from config thread wait | |
1422 | * for vfe statistics and control requests */ | |
1423 | rc = msm_get_stats(pmsm->sync, argp); | |
1424 | break; | |
1425 | ||
1426 | case MSM_CAM_IOCTL_ENABLE_VFE: | |
1427 | /* This request comes from control thread: | |
1428 | * enable either QCAMTASK or VFETASK */ | |
1429 | rc = msm_enable_vfe(pmsm->sync, argp); | |
1430 | break; | |
1431 | ||
1432 | case MSM_CAM_IOCTL_DISABLE_VFE: | |
1433 | /* This request comes from control thread: | |
1434 | * disable either QCAMTASK or VFETASK */ | |
1435 | rc = msm_disable_vfe(pmsm->sync, argp); | |
1436 | break; | |
1437 | ||
1438 | case MSM_CAM_IOCTL_VFE_APPS_RESET: | |
1439 | msm_camio_vfe_blk_reset(); | |
1440 | rc = 0; | |
1441 | break; | |
1442 | ||
1443 | case MSM_CAM_IOCTL_RELEASE_STATS_BUFFER: | |
1444 | rc = msm_put_stats_buffer(pmsm->sync, argp); | |
1445 | break; | |
1446 | ||
1447 | case MSM_CAM_IOCTL_AXI_CONFIG: | |
1448 | rc = msm_axi_config(pmsm->sync, argp); | |
1449 | break; | |
1450 | ||
1451 | case MSM_CAM_IOCTL_SET_CROP: | |
1452 | rc = msm_set_crop(pmsm->sync, argp); | |
1453 | break; | |
1454 | ||
1455 | case MSM_CAM_IOCTL_PICT_PP: { | |
1456 | uint8_t enable; | |
1457 | if (copy_from_user(&enable, argp, sizeof(enable))) { | |
1458 | ERR_COPY_FROM_USER(); | |
1459 | rc = -EFAULT; | |
1460 | } else { | |
1461 | pmsm->sync->pict_pp = enable; | |
1462 | rc = 0; | |
1463 | } | |
1464 | break; | |
1465 | } | |
1466 | ||
1467 | case MSM_CAM_IOCTL_PICT_PP_DONE: | |
1468 | rc = msm_pict_pp_done(pmsm->sync, argp); | |
1469 | break; | |
1470 | ||
1471 | case MSM_CAM_IOCTL_SENSOR_IO_CFG: | |
1472 | rc = pmsm->sync->sctrl.s_config(argp); | |
1473 | break; | |
1474 | ||
1475 | case MSM_CAM_IOCTL_FLASH_LED_CFG: { | |
1476 | uint32_t led_state; | |
1477 | if (copy_from_user(&led_state, argp, sizeof(led_state))) { | |
1478 | ERR_COPY_FROM_USER(); | |
1479 | rc = -EFAULT; | |
1480 | } else | |
1481 | rc = msm_camera_flash_set_led_state(led_state); | |
1482 | break; | |
1483 | } | |
1484 | ||
1485 | default: | |
1486 | rc = msm_ioctl_common(pmsm, cmd, argp); | |
1487 | break; | |
1488 | } | |
1489 | ||
1490 | CDBG("msm_ioctl_config cmd = %d DONE\n", _IOC_NR(cmd)); | |
1491 | return rc; | |
1492 | } | |
1493 | ||
1494 | static int msm_unblock_poll_frame(struct msm_sync *); | |
1495 | ||
1496 | static long msm_ioctl_frame(struct file *filep, unsigned int cmd, | |
1497 | unsigned long arg) | |
1498 | { | |
1499 | int rc = -EINVAL; | |
1500 | void __user *argp = (void __user *)arg; | |
1501 | struct msm_device *pmsm = filep->private_data; | |
1502 | ||
1503 | ||
1504 | switch (cmd) { | |
1505 | case MSM_CAM_IOCTL_GETFRAME: | |
1506 | /* Coming from frame thread to get frame | |
1507 | * after SELECT is done */ | |
1508 | rc = msm_get_frame(pmsm->sync, argp); | |
1509 | break; | |
1510 | case MSM_CAM_IOCTL_RELEASE_FRAME_BUFFER: | |
1511 | rc = msm_put_frame_buffer(pmsm->sync, argp); | |
1512 | break; | |
1513 | case MSM_CAM_IOCTL_UNBLOCK_POLL_FRAME: | |
1514 | rc = msm_unblock_poll_frame(pmsm->sync); | |
1515 | break; | |
1516 | default: | |
1517 | break; | |
1518 | } | |
1519 | ||
1520 | return rc; | |
1521 | } | |
1522 | ||
1523 | ||
1524 | static long msm_ioctl_control(struct file *filep, unsigned int cmd, | |
1525 | unsigned long arg) | |
1526 | { | |
1527 | int rc = -EINVAL; | |
1528 | void __user *argp = (void __user *)arg; | |
1529 | struct msm_control_device *ctrl_pmsm = filep->private_data; | |
1530 | struct msm_device *pmsm = ctrl_pmsm->pmsm; | |
1531 | ||
1532 | switch (cmd) { | |
1533 | case MSM_CAM_IOCTL_CTRL_COMMAND: | |
1534 | /* Coming from control thread, may need to wait for | |
1535 | * command status */ | |
1536 | rc = msm_control(ctrl_pmsm, 1, argp); | |
1537 | break; | |
1538 | case MSM_CAM_IOCTL_CTRL_COMMAND_2: | |
1539 | /* Sends a message, returns immediately */ | |
1540 | rc = msm_control(ctrl_pmsm, 0, argp); | |
1541 | break; | |
1542 | case MSM_CAM_IOCTL_CTRL_CMD_DONE: | |
1543 | /* Config thread calls the control thread to notify it | |
1544 | * of the result of a MSM_CAM_IOCTL_CTRL_COMMAND. | |
1545 | */ | |
1546 | rc = msm_ctrl_cmd_done(ctrl_pmsm, argp); | |
1547 | break; | |
1548 | case MSM_CAM_IOCTL_GET_PICTURE: | |
1549 | rc = msm_get_pic(pmsm->sync, argp); | |
1550 | break; | |
1551 | default: | |
1552 | rc = msm_ioctl_common(pmsm, cmd, argp); | |
1553 | break; | |
1554 | } | |
1555 | ||
1556 | return rc; | |
1557 | } | |
1558 | ||
1559 | static int __msm_release(struct msm_sync *sync) | |
1560 | { | |
1561 | struct msm_pmem_region *region; | |
1562 | struct hlist_node *hnode; | |
1563 | struct hlist_node *n; | |
1564 | ||
1565 | mutex_lock(&sync->lock); | |
1566 | if (sync->opencnt) | |
1567 | sync->opencnt--; | |
1568 | ||
1569 | if (!sync->opencnt) { | |
1570 | /* need to clean up system resource */ | |
1571 | if (sync->vfefn.vfe_release) | |
1572 | sync->vfefn.vfe_release(sync->pdev); | |
1573 | ||
1574 | if (sync->cropinfo) { | |
1575 | kfree(sync->cropinfo); | |
1576 | sync->cropinfo = NULL; | |
1577 | sync->croplen = 0; | |
1578 | } | |
1579 | ||
1580 | hlist_for_each_entry_safe(region, hnode, n, | |
1581 | &sync->frame, list) { | |
1582 | hlist_del(hnode); | |
1583 | put_pmem_file(region->file); | |
1584 | kfree(region); | |
1585 | } | |
1586 | ||
1587 | hlist_for_each_entry_safe(region, hnode, n, | |
1588 | &sync->stats, list) { | |
1589 | hlist_del(hnode); | |
1590 | put_pmem_file(region->file); | |
1591 | kfree(region); | |
1592 | } | |
1593 | ||
1594 | MSM_DRAIN_QUEUE(sync, msg_event_q); | |
1595 | MSM_DRAIN_QUEUE(sync, prev_frame_q); | |
1596 | MSM_DRAIN_QUEUE(sync, pict_frame_q); | |
1597 | ||
1598 | sync->sctrl.s_release(); | |
eb7b797b BS |
1599 | |
1600 | sync->apps_id = NULL; | |
1601 | CDBG("msm_release completed!\n"); | |
1602 | } | |
1603 | mutex_unlock(&sync->lock); | |
1604 | ||
1605 | return 0; | |
1606 | } | |
1607 | ||
1608 | static int msm_release_config(struct inode *node, struct file *filep) | |
1609 | { | |
1610 | int rc; | |
1611 | struct msm_device *pmsm = filep->private_data; | |
1612 | printk("msm_camera: RELEASE %s\n", filep->f_path.dentry->d_name.name); | |
1613 | rc = __msm_release(pmsm->sync); | |
1614 | atomic_set(&pmsm->opened, 0); | |
1615 | return rc; | |
1616 | } | |
1617 | ||
1618 | static int msm_release_control(struct inode *node, struct file *filep) | |
1619 | { | |
1620 | int rc; | |
1621 | struct msm_control_device *ctrl_pmsm = filep->private_data; | |
1622 | struct msm_device *pmsm = ctrl_pmsm->pmsm; | |
df84f941 CC |
1623 | printk(KERN_INFO "msm_camera: RELEASE %s\n", |
1624 | filep->f_path.dentry->d_name.name); | |
eb7b797b BS |
1625 | rc = __msm_release(pmsm->sync); |
1626 | if (!rc) { | |
1627 | MSM_DRAIN_QUEUE(&ctrl_pmsm->ctrl_q, ctrl_status_q); | |
1628 | MSM_DRAIN_QUEUE(pmsm->sync, pict_frame_q); | |
1629 | } | |
1630 | kfree(ctrl_pmsm); | |
1631 | return rc; | |
1632 | } | |
1633 | ||
1634 | static int msm_release_frame(struct inode *node, struct file *filep) | |
1635 | { | |
1636 | int rc; | |
1637 | struct msm_device *pmsm = filep->private_data; | |
df84f941 CC |
1638 | printk(KERN_INFO "msm_camera: RELEASE %s\n", |
1639 | filep->f_path.dentry->d_name.name); | |
eb7b797b BS |
1640 | rc = __msm_release(pmsm->sync); |
1641 | if (!rc) { | |
1642 | MSM_DRAIN_QUEUE(pmsm->sync, prev_frame_q); | |
1643 | atomic_set(&pmsm->opened, 0); | |
1644 | } | |
1645 | return rc; | |
1646 | } | |
1647 | ||
1648 | static int msm_unblock_poll_frame(struct msm_sync *sync) | |
1649 | { | |
1650 | unsigned long flags; | |
1651 | CDBG("msm_unblock_poll_frame\n"); | |
1652 | spin_lock_irqsave(&sync->prev_frame_q_lock, flags); | |
1653 | sync->unblock_poll_frame = 1; | |
1654 | wake_up(&sync->prev_frame_wait); | |
1655 | spin_unlock_irqrestore(&sync->prev_frame_q_lock, flags); | |
1656 | return 0; | |
1657 | } | |
1658 | ||
1659 | static unsigned int __msm_poll_frame(struct msm_sync *sync, | |
1660 | struct file *filep, | |
1661 | struct poll_table_struct *pll_table) | |
1662 | { | |
1663 | int rc = 0; | |
1664 | unsigned long flags; | |
1665 | ||
1666 | poll_wait(filep, &sync->prev_frame_wait, pll_table); | |
1667 | ||
1668 | spin_lock_irqsave(&sync->prev_frame_q_lock, flags); | |
1669 | if (!list_empty_careful(&sync->prev_frame_q)) | |
1670 | /* frame ready */ | |
1671 | rc = POLLIN | POLLRDNORM; | |
1672 | if (sync->unblock_poll_frame) { | |
1673 | CDBG("%s: sync->unblock_poll_frame is true\n", __func__); | |
1674 | rc |= POLLPRI; | |
1675 | sync->unblock_poll_frame = 0; | |
1676 | } | |
1677 | spin_unlock_irqrestore(&sync->prev_frame_q_lock, flags); | |
1678 | ||
1679 | return rc; | |
1680 | } | |
1681 | ||
1682 | static unsigned int msm_poll_frame(struct file *filep, | |
1683 | struct poll_table_struct *pll_table) | |
1684 | { | |
1685 | struct msm_device *pmsm = filep->private_data; | |
1686 | return __msm_poll_frame(pmsm->sync, filep, pll_table); | |
1687 | } | |
1688 | ||
1689 | /* | |
1690 | * This function executes in interrupt context. | |
1691 | */ | |
1692 | ||
1693 | static void *msm_vfe_sync_alloc(int size, | |
1694 | void *syncdata __attribute__((unused))) | |
1695 | { | |
1696 | struct msm_queue_cmd *qcmd = | |
1697 | kmalloc(sizeof(struct msm_queue_cmd) + size, GFP_ATOMIC); | |
1698 | return qcmd ? qcmd + 1 : NULL; | |
1699 | } | |
1700 | ||
1701 | /* | |
1702 | * This function executes in interrupt context. | |
1703 | */ | |
1704 | ||
1705 | static void msm_vfe_sync(struct msm_vfe_resp *vdata, | |
1706 | enum msm_queue qtype, void *syncdata) | |
1707 | { | |
1708 | struct msm_queue_cmd *qcmd = NULL; | |
1709 | struct msm_queue_cmd *qcmd_frame = NULL; | |
1710 | struct msm_vfe_phy_info *fphy; | |
1711 | ||
1712 | unsigned long flags; | |
1713 | struct msm_sync *sync = (struct msm_sync *)syncdata; | |
1714 | if (!sync) { | |
1715 | pr_err("msm_camera: no context in dsp callback.\n"); | |
1716 | return; | |
1717 | } | |
1718 | ||
1719 | qcmd = ((struct msm_queue_cmd *)vdata) - 1; | |
1720 | qcmd->type = qtype; | |
1721 | ||
1722 | if (qtype == MSM_CAM_Q_VFE_MSG) { | |
451ff373 | 1723 | switch (vdata->type) { |
eb7b797b BS |
1724 | case VFE_MSG_OUTPUT1: |
1725 | case VFE_MSG_OUTPUT2: | |
1726 | qcmd_frame = | |
1727 | kmalloc(sizeof(struct msm_queue_cmd) + | |
1728 | sizeof(struct msm_vfe_phy_info), | |
1729 | GFP_ATOMIC); | |
1730 | if (!qcmd_frame) | |
1731 | goto mem_fail; | |
1732 | fphy = (struct msm_vfe_phy_info *)(qcmd_frame + 1); | |
1733 | *fphy = vdata->phy; | |
1734 | ||
1735 | qcmd_frame->type = MSM_CAM_Q_VFE_MSG; | |
1736 | qcmd_frame->command = fphy; | |
1737 | ||
1738 | CDBG("qcmd_frame= 0x%x phy_y= 0x%x, phy_cbcr= 0x%x\n", | |
1739 | (int) qcmd_frame, fphy->y_phy, fphy->cbcr_phy); | |
1740 | ||
1741 | spin_lock_irqsave(&sync->prev_frame_q_lock, flags); | |
1742 | list_add_tail(&qcmd_frame->list, &sync->prev_frame_q); | |
1743 | wake_up(&sync->prev_frame_wait); | |
1744 | spin_unlock_irqrestore(&sync->prev_frame_q_lock, flags); | |
1745 | CDBG("woke up frame thread\n"); | |
1746 | break; | |
1747 | case VFE_MSG_SNAPSHOT: | |
1748 | if (sync->pict_pp) | |
1749 | break; | |
1750 | ||
1751 | CDBG("snapshot pp = %d\n", sync->pict_pp); | |
1752 | qcmd_frame = | |
1753 | kmalloc(sizeof(struct msm_queue_cmd), | |
1754 | GFP_ATOMIC); | |
1755 | if (!qcmd_frame) | |
1756 | goto mem_fail; | |
1757 | qcmd_frame->type = MSM_CAM_Q_VFE_MSG; | |
1758 | qcmd_frame->command = NULL; | |
1759 | spin_lock_irqsave(&sync->pict_frame_q_lock, | |
1760 | flags); | |
1761 | list_add_tail(&qcmd_frame->list, &sync->pict_frame_q); | |
1762 | wake_up(&sync->pict_frame_wait); | |
1763 | spin_unlock_irqrestore(&sync->pict_frame_q_lock, flags); | |
1764 | CDBG("woke up picture thread\n"); | |
1765 | break; | |
1766 | default: | |
1767 | CDBG("%s: qtype = %d not handled\n", | |
1768 | __func__, vdata->type); | |
1769 | break; | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | qcmd->command = (void *)vdata; | |
1774 | CDBG("vdata->type = %d\n", vdata->type); | |
1775 | ||
1776 | spin_lock_irqsave(&sync->msg_event_q_lock, flags); | |
1777 | list_add_tail(&qcmd->list, &sync->msg_event_q); | |
1778 | wake_up(&sync->msg_event_wait); | |
1779 | spin_unlock_irqrestore(&sync->msg_event_q_lock, flags); | |
1780 | CDBG("woke up config thread\n"); | |
1781 | return; | |
1782 | ||
1783 | mem_fail: | |
1784 | kfree(qcmd); | |
1785 | } | |
1786 | ||
1787 | static struct msm_vfe_callback msm_vfe_s = { | |
1788 | .vfe_resp = msm_vfe_sync, | |
1789 | .vfe_alloc = msm_vfe_sync_alloc, | |
1790 | }; | |
1791 | ||
1792 | static int __msm_open(struct msm_sync *sync, const char *const apps_id) | |
1793 | { | |
1794 | int rc = 0; | |
1795 | ||
1796 | mutex_lock(&sync->lock); | |
1797 | if (sync->apps_id && strcmp(sync->apps_id, apps_id)) { | |
1798 | pr_err("msm_camera(%s): sensor %s is already opened for %s\n", | |
1799 | apps_id, | |
1800 | sync->sdata->sensor_name, | |
1801 | sync->apps_id); | |
1802 | rc = -EBUSY; | |
1803 | goto msm_open_done; | |
1804 | } | |
1805 | ||
1806 | sync->apps_id = apps_id; | |
1807 | ||
1808 | if (!sync->opencnt) { | |
eb7b797b BS |
1809 | |
1810 | msm_camvfe_fn_init(&sync->vfefn, sync); | |
1811 | if (sync->vfefn.vfe_init) { | |
1812 | rc = sync->vfefn.vfe_init(&msm_vfe_s, | |
1813 | sync->pdev); | |
1814 | if (rc < 0) { | |
1815 | pr_err("vfe_init failed at %d\n", rc); | |
1816 | goto msm_open_done; | |
1817 | } | |
1818 | rc = sync->sctrl.s_init(sync->sdata); | |
1819 | if (rc < 0) { | |
1820 | pr_err("sensor init failed: %d\n", rc); | |
1821 | goto msm_open_done; | |
1822 | } | |
1823 | } else { | |
1824 | pr_err("no sensor init func\n"); | |
1825 | rc = -ENODEV; | |
1826 | goto msm_open_done; | |
1827 | } | |
1828 | ||
1829 | if (rc >= 0) { | |
1830 | INIT_HLIST_HEAD(&sync->frame); | |
1831 | INIT_HLIST_HEAD(&sync->stats); | |
1832 | sync->unblock_poll_frame = 0; | |
1833 | } | |
1834 | } | |
1835 | sync->opencnt++; | |
1836 | ||
1837 | msm_open_done: | |
1838 | mutex_unlock(&sync->lock); | |
1839 | return rc; | |
1840 | } | |
1841 | ||
1842 | static int msm_open_common(struct inode *inode, struct file *filep, | |
1843 | int once) | |
1844 | { | |
1845 | int rc; | |
1846 | struct msm_device *pmsm = | |
1847 | container_of(inode->i_cdev, struct msm_device, cdev); | |
1848 | ||
1849 | CDBG("msm_camera: open %s\n", filep->f_path.dentry->d_name.name); | |
1850 | ||
1851 | if (atomic_cmpxchg(&pmsm->opened, 0, 1) && once) { | |
1852 | pr_err("msm_camera: %s is already opened.\n", | |
1853 | filep->f_path.dentry->d_name.name); | |
1854 | return -EBUSY; | |
1855 | } | |
1856 | ||
1857 | rc = nonseekable_open(inode, filep); | |
1858 | if (rc < 0) { | |
1859 | pr_err("msm_open: nonseekable_open error %d\n", rc); | |
1860 | return rc; | |
1861 | } | |
1862 | ||
1863 | rc = __msm_open(pmsm->sync, MSM_APPS_ID_PROP); | |
1864 | if (rc < 0) | |
1865 | return rc; | |
1866 | ||
1867 | filep->private_data = pmsm; | |
1868 | ||
1869 | CDBG("msm_open() open: rc = %d\n", rc); | |
1870 | return rc; | |
1871 | } | |
1872 | ||
1873 | static int msm_open(struct inode *inode, struct file *filep) | |
1874 | { | |
1875 | return msm_open_common(inode, filep, 1); | |
1876 | } | |
1877 | ||
1878 | static int msm_open_control(struct inode *inode, struct file *filep) | |
1879 | { | |
1880 | int rc; | |
1881 | ||
1882 | struct msm_control_device *ctrl_pmsm = | |
1883 | kmalloc(sizeof(struct msm_control_device), GFP_KERNEL); | |
1884 | if (!ctrl_pmsm) | |
1885 | return -ENOMEM; | |
1886 | ||
1887 | rc = msm_open_common(inode, filep, 0); | |
ccf972bd PM |
1888 | if (rc < 0) { |
1889 | kfree(ctrl_pmsm); | |
eb7b797b | 1890 | return rc; |
ccf972bd | 1891 | } |
eb7b797b BS |
1892 | |
1893 | ctrl_pmsm->pmsm = filep->private_data; | |
1894 | filep->private_data = ctrl_pmsm; | |
1895 | spin_lock_init(&ctrl_pmsm->ctrl_q.ctrl_status_q_lock); | |
1896 | INIT_LIST_HEAD(&ctrl_pmsm->ctrl_q.ctrl_status_q); | |
1897 | init_waitqueue_head(&ctrl_pmsm->ctrl_q.ctrl_status_wait); | |
1898 | ||
1899 | CDBG("msm_open() open: rc = %d\n", rc); | |
1900 | return rc; | |
1901 | } | |
1902 | ||
1903 | static int __msm_v4l2_control(struct msm_sync *sync, | |
1904 | struct msm_ctrl_cmd *out) | |
1905 | { | |
1906 | int rc = 0; | |
1907 | ||
1908 | struct msm_queue_cmd *qcmd = NULL, *rcmd = NULL; | |
1909 | struct msm_ctrl_cmd *ctrl; | |
1910 | struct msm_control_device_queue FIXME; | |
1911 | ||
1912 | /* wake up config thread, 4 is for V4L2 application */ | |
1913 | qcmd = kmalloc(sizeof(struct msm_queue_cmd), GFP_KERNEL); | |
1914 | if (!qcmd) { | |
1915 | pr_err("msm_control: cannot allocate buffer\n"); | |
1916 | rc = -ENOMEM; | |
1917 | goto end; | |
1918 | } | |
1919 | qcmd->type = MSM_CAM_Q_V4L2_REQ; | |
1920 | qcmd->command = out; | |
1921 | ||
1922 | rcmd = __msm_control(sync, &FIXME, qcmd, out->timeout_ms); | |
1923 | if (IS_ERR(rcmd)) { | |
1924 | rc = PTR_ERR(rcmd); | |
1925 | goto end; | |
1926 | } | |
1927 | ||
1928 | ctrl = (struct msm_ctrl_cmd *)(rcmd->command); | |
1929 | /* FIXME: we should just set out->length = ctrl->length; */ | |
1930 | BUG_ON(out->length < ctrl->length); | |
1931 | memcpy(out->value, ctrl->value, ctrl->length); | |
1932 | ||
1933 | end: | |
451ff373 | 1934 | kfree(rcmd); |
eb7b797b BS |
1935 | CDBG("__msm_v4l2_control: end rc = %d\n", rc); |
1936 | return rc; | |
1937 | } | |
1938 | ||
1939 | static const struct file_operations msm_fops_config = { | |
1940 | .owner = THIS_MODULE, | |
1941 | .open = msm_open, | |
1942 | .unlocked_ioctl = msm_ioctl_config, | |
1943 | .release = msm_release_config, | |
6038f373 | 1944 | .llseek = no_llseek, |
eb7b797b BS |
1945 | }; |
1946 | ||
1947 | static const struct file_operations msm_fops_control = { | |
1948 | .owner = THIS_MODULE, | |
1949 | .open = msm_open_control, | |
1950 | .unlocked_ioctl = msm_ioctl_control, | |
1951 | .release = msm_release_control, | |
6038f373 | 1952 | .llseek = no_llseek, |
eb7b797b BS |
1953 | }; |
1954 | ||
1955 | static const struct file_operations msm_fops_frame = { | |
1956 | .owner = THIS_MODULE, | |
1957 | .open = msm_open, | |
1958 | .unlocked_ioctl = msm_ioctl_frame, | |
1959 | .release = msm_release_frame, | |
1960 | .poll = msm_poll_frame, | |
6038f373 | 1961 | .llseek = no_llseek, |
eb7b797b BS |
1962 | }; |
1963 | ||
1964 | static int msm_setup_cdev(struct msm_device *msm, | |
1965 | int node, | |
1966 | dev_t devno, | |
1967 | const char *suffix, | |
1968 | const struct file_operations *fops) | |
1969 | { | |
1970 | int rc = -ENODEV; | |
1971 | ||
1972 | struct device *device = | |
1973 | device_create(msm_class, NULL, | |
1974 | devno, NULL, | |
1975 | "%s%d", suffix, node); | |
1976 | ||
1977 | if (IS_ERR(device)) { | |
1978 | rc = PTR_ERR(device); | |
1979 | pr_err("msm_camera: error creating device: %d\n", rc); | |
1980 | return rc; | |
1981 | } | |
1982 | ||
1983 | cdev_init(&msm->cdev, fops); | |
1984 | msm->cdev.owner = THIS_MODULE; | |
1985 | ||
1986 | rc = cdev_add(&msm->cdev, devno, 1); | |
1987 | if (rc < 0) { | |
1988 | pr_err("msm_camera: error adding cdev: %d\n", rc); | |
1989 | device_destroy(msm_class, devno); | |
1990 | return rc; | |
1991 | } | |
1992 | ||
1993 | return rc; | |
1994 | } | |
1995 | ||
1996 | static int msm_tear_down_cdev(struct msm_device *msm, dev_t devno) | |
1997 | { | |
1998 | cdev_del(&msm->cdev); | |
1999 | device_destroy(msm_class, devno); | |
2000 | return 0; | |
2001 | } | |
2002 | ||
2003 | int msm_v4l2_register(struct msm_v4l2_driver *drv) | |
2004 | { | |
2005 | /* FIXME: support multiple sensors */ | |
2006 | if (list_empty(&msm_sensors)) | |
2007 | return -ENODEV; | |
2008 | ||
2009 | drv->sync = list_first_entry(&msm_sensors, struct msm_sync, list); | |
2010 | drv->open = __msm_open; | |
2011 | drv->release = __msm_release; | |
2012 | drv->ctrl = __msm_v4l2_control; | |
2013 | drv->reg_pmem = __msm_register_pmem; | |
2014 | drv->get_frame = __msm_get_frame; | |
2015 | drv->put_frame = __msm_put_frame_buf; | |
2016 | drv->get_pict = __msm_get_pic; | |
2017 | drv->drv_poll = __msm_poll_frame; | |
2018 | ||
2019 | return 0; | |
2020 | } | |
2021 | EXPORT_SYMBOL(msm_v4l2_register); | |
2022 | ||
2023 | int msm_v4l2_unregister(struct msm_v4l2_driver *drv) | |
2024 | { | |
2025 | drv->sync = NULL; | |
2026 | return 0; | |
2027 | } | |
2028 | EXPORT_SYMBOL(msm_v4l2_unregister); | |
2029 | ||
2030 | static int msm_sync_init(struct msm_sync *sync, | |
2031 | struct platform_device *pdev, | |
2032 | int (*sensor_probe)(const struct msm_camera_sensor_info *, | |
2033 | struct msm_sensor_ctrl *)) | |
2034 | { | |
2035 | int rc = 0; | |
2036 | struct msm_sensor_ctrl sctrl; | |
2037 | sync->sdata = pdev->dev.platform_data; | |
2038 | ||
2039 | spin_lock_init(&sync->msg_event_q_lock); | |
2040 | INIT_LIST_HEAD(&sync->msg_event_q); | |
2041 | init_waitqueue_head(&sync->msg_event_wait); | |
2042 | ||
2043 | spin_lock_init(&sync->prev_frame_q_lock); | |
2044 | INIT_LIST_HEAD(&sync->prev_frame_q); | |
2045 | init_waitqueue_head(&sync->prev_frame_wait); | |
2046 | ||
2047 | spin_lock_init(&sync->pict_frame_q_lock); | |
2048 | INIT_LIST_HEAD(&sync->pict_frame_q); | |
2049 | init_waitqueue_head(&sync->pict_frame_wait); | |
2050 | ||
eb7b797b BS |
2051 | rc = msm_camio_probe_on(pdev); |
2052 | if (rc < 0) | |
2053 | return rc; | |
2054 | rc = sensor_probe(sync->sdata, &sctrl); | |
2055 | if (rc >= 0) { | |
2056 | sync->pdev = pdev; | |
2057 | sync->sctrl = sctrl; | |
2058 | } | |
2059 | msm_camio_probe_off(pdev); | |
2060 | if (rc < 0) { | |
2061 | pr_err("msm_camera: failed to initialize %s\n", | |
2062 | sync->sdata->sensor_name); | |
eb7b797b BS |
2063 | return rc; |
2064 | } | |
2065 | ||
2066 | sync->opencnt = 0; | |
2067 | mutex_init(&sync->lock); | |
2068 | CDBG("initialized %s\n", sync->sdata->sensor_name); | |
2069 | return rc; | |
2070 | } | |
2071 | ||
2072 | static int msm_sync_destroy(struct msm_sync *sync) | |
2073 | { | |
eb7b797b BS |
2074 | return 0; |
2075 | } | |
2076 | ||
2077 | static int msm_device_init(struct msm_device *pmsm, | |
2078 | struct msm_sync *sync, | |
2079 | int node) | |
2080 | { | |
2081 | int dev_num = 3 * node; | |
2082 | int rc = msm_setup_cdev(pmsm, node, | |
2083 | MKDEV(MAJOR(msm_devno), dev_num), | |
2084 | "control", &msm_fops_control); | |
2085 | if (rc < 0) { | |
2086 | pr_err("error creating control node: %d\n", rc); | |
2087 | return rc; | |
2088 | } | |
2089 | ||
2090 | rc = msm_setup_cdev(pmsm + 1, node, | |
2091 | MKDEV(MAJOR(msm_devno), dev_num + 1), | |
2092 | "config", &msm_fops_config); | |
2093 | if (rc < 0) { | |
2094 | pr_err("error creating config node: %d\n", rc); | |
2095 | msm_tear_down_cdev(pmsm, MKDEV(MAJOR(msm_devno), | |
2096 | dev_num)); | |
2097 | return rc; | |
2098 | } | |
2099 | ||
2100 | rc = msm_setup_cdev(pmsm + 2, node, | |
2101 | MKDEV(MAJOR(msm_devno), dev_num + 2), | |
2102 | "frame", &msm_fops_frame); | |
2103 | if (rc < 0) { | |
2104 | pr_err("error creating frame node: %d\n", rc); | |
2105 | msm_tear_down_cdev(pmsm, | |
2106 | MKDEV(MAJOR(msm_devno), dev_num)); | |
2107 | msm_tear_down_cdev(pmsm + 1, | |
2108 | MKDEV(MAJOR(msm_devno), dev_num + 1)); | |
2109 | return rc; | |
2110 | } | |
2111 | ||
2112 | atomic_set(&pmsm[0].opened, 0); | |
2113 | atomic_set(&pmsm[1].opened, 0); | |
2114 | atomic_set(&pmsm[2].opened, 0); | |
2115 | ||
2116 | pmsm[0].sync = sync; | |
2117 | pmsm[1].sync = sync; | |
2118 | pmsm[2].sync = sync; | |
2119 | ||
2120 | return rc; | |
2121 | } | |
2122 | ||
2123 | int msm_camera_drv_start(struct platform_device *dev, | |
2124 | int (*sensor_probe)(const struct msm_camera_sensor_info *, | |
2125 | struct msm_sensor_ctrl *)) | |
2126 | { | |
2127 | struct msm_device *pmsm = NULL; | |
2128 | struct msm_sync *sync; | |
2129 | int rc = -ENODEV; | |
2130 | static int camera_node; | |
2131 | ||
2132 | if (camera_node >= MSM_MAX_CAMERA_SENSORS) { | |
2133 | pr_err("msm_camera: too many camera sensors\n"); | |
2134 | return rc; | |
2135 | } | |
2136 | ||
2137 | if (!msm_class) { | |
2138 | /* There are three device nodes per sensor */ | |
2139 | rc = alloc_chrdev_region(&msm_devno, 0, | |
2140 | 3 * MSM_MAX_CAMERA_SENSORS, | |
2141 | "msm_camera"); | |
2142 | if (rc < 0) { | |
2143 | pr_err("msm_camera: failed to allocate chrdev: %d\n", | |
2144 | rc); | |
2145 | return rc; | |
2146 | } | |
2147 | ||
2148 | msm_class = class_create(THIS_MODULE, "msm_camera"); | |
2149 | if (IS_ERR(msm_class)) { | |
2150 | rc = PTR_ERR(msm_class); | |
2151 | pr_err("msm_camera: create device class failed: %d\n", | |
2152 | rc); | |
2153 | return rc; | |
2154 | } | |
2155 | } | |
2156 | ||
2157 | pmsm = kzalloc(sizeof(struct msm_device) * 3 + | |
2158 | sizeof(struct msm_sync), GFP_ATOMIC); | |
2159 | if (!pmsm) | |
2160 | return -ENOMEM; | |
2161 | sync = (struct msm_sync *)(pmsm + 3); | |
2162 | ||
2163 | rc = msm_sync_init(sync, dev, sensor_probe); | |
2164 | if (rc < 0) { | |
2165 | kfree(pmsm); | |
2166 | return rc; | |
2167 | } | |
2168 | ||
2169 | CDBG("setting camera node %d\n", camera_node); | |
2170 | rc = msm_device_init(pmsm, sync, camera_node); | |
2171 | if (rc < 0) { | |
2172 | msm_sync_destroy(sync); | |
2173 | kfree(pmsm); | |
2174 | return rc; | |
2175 | } | |
2176 | ||
2177 | camera_node++; | |
2178 | list_add(&sync->list, &msm_sensors); | |
2179 | return rc; | |
2180 | } | |
2181 | EXPORT_SYMBOL(msm_camera_drv_start); |