2 * Support for Medifield PNW Camera Imaging ISP subsystem.
4 * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6 * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version
10 * 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include <linux/module.h>
25 #include <linux/pm_runtime.h>
27 #include <media/v4l2-ioctl.h>
28 #include <media/videobuf-vmalloc.h>
30 #include "atomisp_cmd.h"
31 #include "atomisp_common.h"
32 #include "atomisp_fops.h"
33 #include "atomisp_internal.h"
34 #include "atomisp_ioctl.h"
35 #include "atomisp_compat.h"
36 #include "atomisp_subdev.h"
37 #include "atomisp_v4l2.h"
38 #include "atomisp-regs.h"
41 #include "hrt/hive_isp_css_mm_hrt.h"
43 #include "type_support.h"
44 #include "device_access/device_access.h"
45 #include "memory_access/memory_access.h"
47 #include "atomisp_acc.h"
49 #define ISP_LEFT_PAD 128 /* equal to 2*NWAY */
52 * input image data, and current frame resolution for test
54 #define ISP_PARAM_MMAP_OFFSET 0xfffff000
56 #define MAGIC_CHECK(is, should) \
58 if (unlikely((is) != (should))) { \
59 pr_err("magic mismatch: %x (expected %x)\n", \
68 static int atomisp_buf_setup(struct videobuf_queue *vq, unsigned int *count,
71 struct atomisp_video_pipe *pipe = vq->priv_data;
73 *size = pipe->pix.sizeimage;
78 static int atomisp_buf_prepare(struct videobuf_queue *vq,
79 struct videobuf_buffer *vb,
80 enum v4l2_field field)
82 struct atomisp_video_pipe *pipe = vq->priv_data;
84 vb->size = pipe->pix.sizeimage;
85 vb->width = pipe->pix.width;
86 vb->height = pipe->pix.height;
88 vb->state = VIDEOBUF_PREPARED;
93 static int atomisp_q_one_metadata_buffer(struct atomisp_sub_device *asd,
94 enum atomisp_input_stream_id stream_id,
95 enum atomisp_css_pipe_id css_pipe_id)
97 struct atomisp_metadata_buf *metadata_buf;
98 enum atomisp_metadata_type md_type =
99 atomisp_get_metadata_type(asd, css_pipe_id);
100 struct list_head *metadata_list;
102 if (asd->metadata_bufs_in_css[stream_id][css_pipe_id] >=
104 return 0; /* we have reached CSS queue depth */
106 if (!list_empty(&asd->metadata[md_type])) {
107 metadata_list = &asd->metadata[md_type];
108 } else if (!list_empty(&asd->metadata_ready[md_type])) {
109 metadata_list = &asd->metadata_ready[md_type];
111 dev_warn(asd->isp->dev, "%s: No metadata buffers available for type %d!\n",
116 metadata_buf = list_entry(metadata_list->next,
117 struct atomisp_metadata_buf, list);
118 list_del_init(&metadata_buf->list);
120 if (atomisp_q_metadata_buffer_to_css(asd, metadata_buf,
121 stream_id, css_pipe_id)) {
122 list_add(&metadata_buf->list, metadata_list);
125 list_add_tail(&metadata_buf->list,
126 &asd->metadata_in_css[md_type]);
128 asd->metadata_bufs_in_css[stream_id][css_pipe_id]++;
133 static int atomisp_q_one_s3a_buffer(struct atomisp_sub_device *asd,
134 enum atomisp_input_stream_id stream_id,
135 enum atomisp_css_pipe_id css_pipe_id)
137 struct atomisp_s3a_buf *s3a_buf;
138 struct list_head *s3a_list;
141 if (asd->s3a_bufs_in_css[css_pipe_id] >= ATOMISP_CSS_Q_DEPTH)
142 return 0; /* we have reached CSS queue depth */
144 if (!list_empty(&asd->s3a_stats)) {
145 s3a_list = &asd->s3a_stats;
146 } else if (!list_empty(&asd->s3a_stats_ready)) {
147 s3a_list = &asd->s3a_stats_ready;
149 dev_warn(asd->isp->dev, "%s: No s3a buffers available!\n",
154 s3a_buf = list_entry(s3a_list->next, struct atomisp_s3a_buf, list);
155 list_del_init(&s3a_buf->list);
156 exp_id = s3a_buf->s3a_data->exp_id;
158 hmm_flush_vmap(s3a_buf->s3a_data->data_ptr);
159 if (atomisp_q_s3a_buffer_to_css(asd, s3a_buf,
160 stream_id, css_pipe_id)) {
161 /* got from head, so return back to the head */
162 list_add(&s3a_buf->list, s3a_list);
165 list_add_tail(&s3a_buf->list, &asd->s3a_stats_in_css);
166 if (s3a_list == &asd->s3a_stats_ready)
167 dev_warn(asd->isp->dev, "%s: drop one s3a stat which has exp_id %d!\n",
171 asd->s3a_bufs_in_css[css_pipe_id]++;
175 static int atomisp_q_one_dis_buffer(struct atomisp_sub_device *asd,
176 enum atomisp_input_stream_id stream_id,
177 enum atomisp_css_pipe_id css_pipe_id)
179 struct atomisp_dis_buf *dis_buf;
180 unsigned long irqflags;
182 if (asd->dis_bufs_in_css >= ATOMISP_CSS_Q_DEPTH)
183 return 0; /* we have reached CSS queue depth */
185 spin_lock_irqsave(&asd->dis_stats_lock, irqflags);
186 if (list_empty(&asd->dis_stats)) {
187 spin_unlock_irqrestore(&asd->dis_stats_lock, irqflags);
188 dev_warn(asd->isp->dev, "%s: No dis buffers available!\n",
193 dis_buf = list_entry(asd->dis_stats.prev,
194 struct atomisp_dis_buf, list);
195 list_del_init(&dis_buf->list);
196 spin_unlock_irqrestore(&asd->dis_stats_lock, irqflags);
198 hmm_flush_vmap(dis_buf->dis_data->data_ptr);
199 if (atomisp_q_dis_buffer_to_css(asd, dis_buf,
200 stream_id, css_pipe_id)) {
201 spin_lock_irqsave(&asd->dis_stats_lock, irqflags);
202 /* got from tail, so return back to the tail */
203 list_add_tail(&dis_buf->list, &asd->dis_stats);
204 spin_unlock_irqrestore(&asd->dis_stats_lock, irqflags);
207 spin_lock_irqsave(&asd->dis_stats_lock, irqflags);
208 list_add_tail(&dis_buf->list, &asd->dis_stats_in_css);
209 spin_unlock_irqrestore(&asd->dis_stats_lock, irqflags);
212 asd->dis_bufs_in_css++;
217 int atomisp_q_video_buffers_to_css(struct atomisp_sub_device *asd,
218 struct atomisp_video_pipe *pipe,
219 enum atomisp_input_stream_id stream_id,
220 enum atomisp_css_buffer_type css_buf_type,
221 enum atomisp_css_pipe_id css_pipe_id)
223 struct videobuf_vmalloc_memory *vm_mem;
224 struct atomisp_css_params_with_list *param;
225 struct atomisp_css_dvs_grid_info *dvs_grid =
226 atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
227 unsigned long irqflags;
230 while (pipe->buffers_in_css < ATOMISP_CSS_Q_DEPTH) {
231 struct videobuf_buffer *vb;
233 spin_lock_irqsave(&pipe->irq_lock, irqflags);
234 if (list_empty(&pipe->activeq)) {
235 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
238 vb = list_entry(pipe->activeq.next,
239 struct videobuf_buffer, queue);
240 list_del_init(&vb->queue);
241 vb->state = VIDEOBUF_ACTIVE;
242 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
245 * If there is a per_frame setting to apply on the buffer,
246 * do it before buffer en-queueing.
250 param = pipe->frame_params[vb->i];
252 atomisp_makeup_css_parameters(asd,
253 &asd->params.css_param.update_flag,
255 atomisp_apply_css_parameters(asd, ¶m->params);
257 if (param->params.update_flag.dz_config &&
258 asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
259 err = atomisp_calculate_real_zoom_region(asd,
260 ¶m->params.dz_config, css_pipe_id);
262 atomisp_css_set_dz_config(asd,
263 ¶m->params.dz_config);
265 atomisp_css_set_isp_config_applied_frame(asd,
267 atomisp_css_update_isp_params_on_pipe(asd,
268 asd->stream_env[stream_id].pipes[css_pipe_id]);
269 asd->params.dvs_6axis = (struct atomisp_css_dvs_6axis *)
270 param->params.dvs_6axis;
274 * Because the camera halv3 can't ensure to set zoom
275 * region to per_frame setting and global setting at
276 * same time and only set zoom region to pre_frame
277 * setting now.so when the pre_frame setting inculde
278 * zoom region,I will set it to global setting.
280 if (param->params.update_flag.dz_config &&
281 asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO
283 memcpy(&asd->params.css_param.dz_config,
284 ¶m->params.dz_config,
285 sizeof(struct ia_css_dz_config));
286 asd->params.css_param.update_flag.dz_config =
287 (struct atomisp_dz_config *)
288 &asd->params.css_param.dz_config;
289 asd->params.css_update_params_needed = true;
293 err = atomisp_q_video_buffer_to_css(asd, vm_mem, stream_id,
294 css_buf_type, css_pipe_id);
296 spin_lock_irqsave(&pipe->irq_lock, irqflags);
297 list_add_tail(&vb->queue, &pipe->activeq);
298 vb->state = VIDEOBUF_QUEUED;
299 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
300 dev_err(asd->isp->dev, "%s, css q fails: %d\n",
304 pipe->buffers_in_css++;
306 /* enqueue 3A/DIS/metadata buffers */
307 if (asd->params.curr_grid_info.s3a_grid.enable &&
308 css_pipe_id == asd->params.s3a_enabled_pipe &&
309 css_buf_type == CSS_BUFFER_TYPE_OUTPUT_FRAME)
310 atomisp_q_one_s3a_buffer(asd, stream_id,
313 if (asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
314 metadata_info.size &&
315 css_buf_type == CSS_BUFFER_TYPE_OUTPUT_FRAME)
316 atomisp_q_one_metadata_buffer(asd, stream_id,
319 if (dvs_grid && dvs_grid->enable &&
320 css_pipe_id == CSS_PIPE_ID_VIDEO &&
321 css_buf_type == CSS_BUFFER_TYPE_OUTPUT_FRAME)
322 atomisp_q_one_dis_buffer(asd, stream_id,
329 static int atomisp_get_css_buf_type(struct atomisp_sub_device *asd,
330 enum atomisp_css_pipe_id pipe_id,
333 if (ATOMISP_USE_YUVPP(asd)) {
334 /* when run ZSL case */
335 if (asd->continuous_mode->val &&
336 asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
337 if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE)
338 return CSS_BUFFER_TYPE_OUTPUT_FRAME;
339 else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
340 return CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME;
342 return CSS_BUFFER_TYPE_VF_OUTPUT_FRAME;
345 /*when run SDV case*/
346 if (asd->continuous_mode->val &&
347 asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
348 if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE)
349 return CSS_BUFFER_TYPE_OUTPUT_FRAME;
350 else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
351 return CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME;
352 else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
353 return CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME;
355 return CSS_BUFFER_TYPE_VF_OUTPUT_FRAME;
358 /*other case: default setting*/
359 if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE ||
360 source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO ||
361 (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
362 asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO))
363 return CSS_BUFFER_TYPE_OUTPUT_FRAME;
365 return CSS_BUFFER_TYPE_VF_OUTPUT_FRAME;
368 if (pipe_id == CSS_PIPE_ID_COPY ||
369 source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE ||
370 source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO ||
371 (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
372 asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO))
373 return CSS_BUFFER_TYPE_OUTPUT_FRAME;
375 return CSS_BUFFER_TYPE_VF_OUTPUT_FRAME;
378 static int atomisp_qbuffers_to_css_for_all_pipes(struct atomisp_sub_device *asd)
380 enum atomisp_css_buffer_type buf_type;
381 enum atomisp_css_pipe_id css_capture_pipe_id = CSS_PIPE_ID_COPY;
382 enum atomisp_css_pipe_id css_preview_pipe_id = CSS_PIPE_ID_COPY;
383 enum atomisp_css_pipe_id css_video_pipe_id = CSS_PIPE_ID_COPY;
384 enum atomisp_input_stream_id input_stream_id;
385 struct atomisp_video_pipe *capture_pipe;
386 struct atomisp_video_pipe *preview_pipe;
387 struct atomisp_video_pipe *video_pipe;
389 capture_pipe = &asd->video_out_capture;
390 preview_pipe = &asd->video_out_preview;
391 video_pipe = &asd->video_out_video_capture;
393 buf_type = atomisp_get_css_buf_type(
394 asd, css_preview_pipe_id,
395 atomisp_subdev_source_pad(&preview_pipe->vdev));
396 input_stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
397 atomisp_q_video_buffers_to_css(asd, preview_pipe,
399 buf_type, css_preview_pipe_id);
401 buf_type = atomisp_get_css_buf_type(asd, css_capture_pipe_id,
402 atomisp_subdev_source_pad(&capture_pipe->vdev));
403 input_stream_id = ATOMISP_INPUT_STREAM_GENERAL;
404 atomisp_q_video_buffers_to_css(asd, capture_pipe,
406 buf_type, css_capture_pipe_id);
408 buf_type = atomisp_get_css_buf_type(asd, css_video_pipe_id,
409 atomisp_subdev_source_pad(&video_pipe->vdev));
410 input_stream_id = ATOMISP_INPUT_STREAM_VIDEO;
411 atomisp_q_video_buffers_to_css(asd, video_pipe,
413 buf_type, css_video_pipe_id);
418 /* queue all available buffers to css */
419 int atomisp_qbuffers_to_css(struct atomisp_sub_device *asd)
421 enum atomisp_css_buffer_type buf_type;
422 enum atomisp_css_pipe_id css_capture_pipe_id = CSS_PIPE_ID_NUM;
423 enum atomisp_css_pipe_id css_preview_pipe_id = CSS_PIPE_ID_NUM;
424 enum atomisp_css_pipe_id css_video_pipe_id = CSS_PIPE_ID_NUM;
425 enum atomisp_input_stream_id input_stream_id;
426 struct atomisp_video_pipe *capture_pipe = NULL;
427 struct atomisp_video_pipe *vf_pipe = NULL;
428 struct atomisp_video_pipe *preview_pipe = NULL;
429 struct atomisp_video_pipe *video_pipe = NULL;
430 bool raw_mode = atomisp_is_mbuscode_raw(
431 asd->fmt[asd->capture_pad].fmt.code);
433 if (asd->isp->inputs[asd->input_curr].camera_caps->
434 sensor[asd->sensor_curr].stream_num == 2 &&
436 return atomisp_qbuffers_to_css_for_all_pipes(asd);
438 if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
439 video_pipe = &asd->video_out_video_capture;
440 css_video_pipe_id = CSS_PIPE_ID_VIDEO;
441 } else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
442 preview_pipe = &asd->video_out_capture;
443 css_preview_pipe_id = CSS_PIPE_ID_CAPTURE;
444 } else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
445 if (asd->continuous_mode->val) {
446 capture_pipe = &asd->video_out_capture;
447 vf_pipe = &asd->video_out_vf;
448 css_capture_pipe_id = CSS_PIPE_ID_CAPTURE;
450 video_pipe = &asd->video_out_video_capture;
451 preview_pipe = &asd->video_out_preview;
452 css_video_pipe_id = CSS_PIPE_ID_VIDEO;
453 css_preview_pipe_id = CSS_PIPE_ID_VIDEO;
454 } else if (asd->continuous_mode->val) {
455 capture_pipe = &asd->video_out_capture;
456 vf_pipe = &asd->video_out_vf;
457 preview_pipe = &asd->video_out_preview;
459 css_preview_pipe_id = CSS_PIPE_ID_PREVIEW;
460 css_capture_pipe_id = CSS_PIPE_ID_CAPTURE;
461 } else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
462 preview_pipe = &asd->video_out_preview;
463 css_preview_pipe_id = CSS_PIPE_ID_PREVIEW;
465 /* ATOMISP_RUN_MODE_STILL_CAPTURE */
466 capture_pipe = &asd->video_out_capture;
468 vf_pipe = &asd->video_out_vf;
469 css_capture_pipe_id = CSS_PIPE_ID_CAPTURE;
472 #ifdef ISP2401_NEW_INPUT_SYSTEM
473 if (asd->copy_mode) {
474 css_capture_pipe_id = CSS_PIPE_ID_COPY;
475 css_preview_pipe_id = CSS_PIPE_ID_COPY;
476 css_video_pipe_id = CSS_PIPE_ID_COPY;
480 if (asd->yuvpp_mode) {
481 capture_pipe = &asd->video_out_capture;
482 video_pipe = &asd->video_out_video_capture;
483 preview_pipe = &asd->video_out_preview;
484 css_capture_pipe_id = CSS_PIPE_ID_COPY;
485 css_video_pipe_id = CSS_PIPE_ID_YUVPP;
486 css_preview_pipe_id = CSS_PIPE_ID_YUVPP;
490 buf_type = atomisp_get_css_buf_type(
491 asd, css_capture_pipe_id,
492 atomisp_subdev_source_pad(&capture_pipe->vdev));
493 input_stream_id = ATOMISP_INPUT_STREAM_GENERAL;
496 * use yuvpp pipe for SOC camera.
498 if (ATOMISP_USE_YUVPP(asd))
499 css_capture_pipe_id = CSS_PIPE_ID_YUVPP;
501 atomisp_q_video_buffers_to_css(asd, capture_pipe,
503 buf_type, css_capture_pipe_id);
507 buf_type = atomisp_get_css_buf_type(
508 asd, css_capture_pipe_id,
509 atomisp_subdev_source_pad(&vf_pipe->vdev));
510 if (asd->stream_env[ATOMISP_INPUT_STREAM_POSTVIEW].stream)
511 input_stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
513 input_stream_id = ATOMISP_INPUT_STREAM_GENERAL;
516 * use yuvpp pipe for SOC camera.
518 if (ATOMISP_USE_YUVPP(asd))
519 css_capture_pipe_id = CSS_PIPE_ID_YUVPP;
520 atomisp_q_video_buffers_to_css(asd, vf_pipe,
522 buf_type, css_capture_pipe_id);
526 buf_type = atomisp_get_css_buf_type(
527 asd, css_preview_pipe_id,
528 atomisp_subdev_source_pad(&preview_pipe->vdev));
529 if (ATOMISP_SOC_CAMERA(asd) && css_preview_pipe_id == CSS_PIPE_ID_YUVPP)
530 input_stream_id = ATOMISP_INPUT_STREAM_GENERAL;
531 /* else for ext isp use case */
532 else if (css_preview_pipe_id == CSS_PIPE_ID_YUVPP)
533 input_stream_id = ATOMISP_INPUT_STREAM_VIDEO;
534 else if (asd->stream_env[ATOMISP_INPUT_STREAM_PREVIEW].stream)
535 input_stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
537 input_stream_id = ATOMISP_INPUT_STREAM_GENERAL;
540 * use yuvpp pipe for SOC camera.
542 if (ATOMISP_USE_YUVPP(asd))
543 css_preview_pipe_id = CSS_PIPE_ID_YUVPP;
545 atomisp_q_video_buffers_to_css(asd, preview_pipe,
547 buf_type, css_preview_pipe_id);
551 buf_type = atomisp_get_css_buf_type(
552 asd, css_video_pipe_id,
553 atomisp_subdev_source_pad(&video_pipe->vdev));
554 if (asd->stream_env[ATOMISP_INPUT_STREAM_VIDEO].stream)
555 input_stream_id = ATOMISP_INPUT_STREAM_VIDEO;
557 input_stream_id = ATOMISP_INPUT_STREAM_GENERAL;
560 * use yuvpp pipe for SOC camera.
562 if (ATOMISP_USE_YUVPP(asd))
563 css_video_pipe_id = CSS_PIPE_ID_YUVPP;
565 atomisp_q_video_buffers_to_css(asd, video_pipe,
567 buf_type, css_video_pipe_id);
573 static void atomisp_buf_queue(struct videobuf_queue *vq,
574 struct videobuf_buffer *vb)
576 struct atomisp_video_pipe *pipe = vq->priv_data;
579 * when a frame buffer meets following conditions, it should be put into
581 * 1. It is not a main output frame, and it has a per-frame parameter
583 * 2. It is not a main output frame, and the waiting buffer list is not
584 * empty, to keep the FIFO sequence of frame buffer processing, it
585 * is put to waiting list until previous per-frame parameter buffers
588 if (!atomisp_is_vf_pipe(pipe) &&
589 (pipe->frame_request_config_id[vb->i] ||
590 !list_empty(&pipe->buffers_waiting_for_param)))
591 list_add_tail(&vb->queue, &pipe->buffers_waiting_for_param);
593 list_add_tail(&vb->queue, &pipe->activeq);
595 vb->state = VIDEOBUF_QUEUED;
598 static void atomisp_buf_release(struct videobuf_queue *vq,
599 struct videobuf_buffer *vb)
601 vb->state = VIDEOBUF_NEEDS_INIT;
602 atomisp_videobuf_free_buf(vb);
605 static int atomisp_buf_setup_output(struct videobuf_queue *vq,
606 unsigned int *count, unsigned int *size)
608 struct atomisp_video_pipe *pipe = vq->priv_data;
610 *size = pipe->pix.sizeimage;
615 static int atomisp_buf_prepare_output(struct videobuf_queue *vq,
616 struct videobuf_buffer *vb,
617 enum v4l2_field field)
619 struct atomisp_video_pipe *pipe = vq->priv_data;
621 vb->size = pipe->pix.sizeimage;
622 vb->width = pipe->pix.width;
623 vb->height = pipe->pix.height;
625 vb->state = VIDEOBUF_PREPARED;
630 static void atomisp_buf_queue_output(struct videobuf_queue *vq,
631 struct videobuf_buffer *vb)
633 struct atomisp_video_pipe *pipe = vq->priv_data;
635 list_add_tail(&vb->queue, &pipe->activeq_out);
636 vb->state = VIDEOBUF_QUEUED;
639 static void atomisp_buf_release_output(struct videobuf_queue *vq,
640 struct videobuf_buffer *vb)
642 videobuf_vmalloc_free(vb);
643 vb->state = VIDEOBUF_NEEDS_INIT;
646 static const struct videobuf_queue_ops videobuf_qops = {
647 .buf_setup = atomisp_buf_setup,
648 .buf_prepare = atomisp_buf_prepare,
649 .buf_queue = atomisp_buf_queue,
650 .buf_release = atomisp_buf_release,
653 static const struct videobuf_queue_ops videobuf_qops_output = {
654 .buf_setup = atomisp_buf_setup_output,
655 .buf_prepare = atomisp_buf_prepare_output,
656 .buf_queue = atomisp_buf_queue_output,
657 .buf_release = atomisp_buf_release_output,
660 static int atomisp_init_pipe(struct atomisp_video_pipe *pipe)
663 spin_lock_init(&pipe->irq_lock);
665 videobuf_queue_vmalloc_init(&pipe->capq, &videobuf_qops, NULL,
667 V4L2_BUF_TYPE_VIDEO_CAPTURE,
669 sizeof(struct atomisp_buffer), pipe,
670 NULL); /* ext_lock: NULL */
672 videobuf_queue_vmalloc_init(&pipe->outq, &videobuf_qops_output, NULL,
674 V4L2_BUF_TYPE_VIDEO_OUTPUT,
676 sizeof(struct atomisp_buffer), pipe,
677 NULL); /* ext_lock: NULL */
679 INIT_LIST_HEAD(&pipe->activeq);
680 INIT_LIST_HEAD(&pipe->activeq_out);
681 INIT_LIST_HEAD(&pipe->buffers_waiting_for_param);
682 INIT_LIST_HEAD(&pipe->per_frame_params);
683 memset(pipe->frame_request_config_id, 0,
684 VIDEO_MAX_FRAME * sizeof(unsigned int));
685 memset(pipe->frame_params, 0,
687 sizeof(struct atomisp_css_params_with_list *));
692 static void atomisp_dev_init_struct(struct atomisp_device *isp)
696 isp->sw_contex.file_input = 0;
697 isp->need_gfx_throttle = true;
698 isp->isp_fatal_error = false;
699 isp->mipi_frame_size = 0;
701 for (i = 0; i < isp->input_cnt; i++)
702 isp->inputs[i].asd = NULL;
704 * For Merrifield, frequency is scalable.
705 * After boot-up, the default frequency is 200MHz.
707 isp->sw_contex.running_freq = ISP_FREQ_200MHZ;
710 static void atomisp_subdev_init_struct(struct atomisp_sub_device *asd)
712 v4l2_ctrl_s_ctrl(asd->run_mode, ATOMISP_RUN_MODE_STILL_CAPTURE);
713 memset(&asd->params.css_param, 0, sizeof(asd->params.css_param));
714 asd->params.color_effect = V4L2_COLORFX_NONE;
715 asd->params.bad_pixel_en = 1;
716 asd->params.gdc_cac_en = 0;
717 asd->params.video_dis_en = 0;
718 asd->params.sc_en = 0;
719 asd->params.fpn_en = 0;
720 asd->params.xnr_en = 0;
721 asd->params.false_color = 0;
722 asd->params.online_process = 1;
723 asd->params.yuv_ds_en = 0;
724 /* s3a grid not enabled for any pipe */
725 asd->params.s3a_enabled_pipe = CSS_PIPE_ID_NUM;
727 asd->params.offline_parm.num_captures = 1;
728 asd->params.offline_parm.skip_frames = 0;
729 asd->params.offline_parm.offset = 0;
730 asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
731 /* Add for channel */
734 asd->mipi_frame_size = 0;
735 asd->copy_mode = false;
736 asd->yuvpp_mode = false;
738 asd->stream_prepared = false;
739 asd->high_speed_mode = false;
740 asd->sensor_array_res.height = 0;
741 asd->sensor_array_res.width = 0;
742 atomisp_css_init_struct(asd);
745 * file operation functions
747 static unsigned int atomisp_subdev_users(struct atomisp_sub_device *asd)
749 return asd->video_out_preview.users +
750 asd->video_out_vf.users +
751 asd->video_out_capture.users +
752 asd->video_out_video_capture.users +
753 asd->video_acc.users +
757 unsigned int atomisp_dev_users(struct atomisp_device *isp)
760 for (i = 0, sum = 0; i < isp->num_of_streams; i++)
761 sum += atomisp_subdev_users(&isp->asd[i]);
766 static int atomisp_open(struct file *file)
768 struct video_device *vdev = video_devdata(file);
769 struct atomisp_device *isp = video_get_drvdata(vdev);
770 struct atomisp_video_pipe *pipe = NULL;
771 struct atomisp_acc_pipe *acc_pipe = NULL;
772 struct atomisp_sub_device *asd;
773 bool acc_node = false;
776 dev_dbg(isp->dev, "open device %s\n", vdev->name);
778 rt_mutex_lock(&isp->mutex);
780 acc_node = !strncmp(vdev->name, "ATOMISP ISP ACC",
783 acc_pipe = atomisp_to_acc_pipe(vdev);
786 pipe = atomisp_to_video_pipe(vdev);
789 asd->subdev.devnode = vdev;
790 /* Deferred firmware loading case. */
791 if (isp->css_env.isp_css_fw.bytes == 0) {
792 isp->firmware = atomisp_load_firmware(isp);
793 if (!isp->firmware) {
794 dev_err(isp->dev, "Failed to load ISP firmware.\n");
798 ret = atomisp_css_load_firmware(isp);
800 dev_err(isp->dev, "Failed to init css.\n");
803 /* No need to keep FW in memory anymore. */
804 release_firmware(isp->firmware);
805 isp->firmware = NULL;
806 isp->css_env.isp_css_fw.data = NULL;
809 if (acc_node && acc_pipe->users) {
810 dev_dbg(isp->dev, "acc node already opened\n");
811 rt_mutex_unlock(&isp->mutex);
813 } else if (acc_node) {
817 if (!isp->input_cnt) {
818 dev_err(isp->dev, "no camera attached\n");
824 * atomisp does not allow multiple open
827 dev_dbg(isp->dev, "video node already opened\n");
828 rt_mutex_unlock(&isp->mutex);
832 ret = atomisp_init_pipe(pipe);
837 if (atomisp_dev_users(isp)) {
838 dev_dbg(isp->dev, "skip init isp in open\n");
842 /* runtime power management, turn on ISP */
843 ret = pm_runtime_get_sync(vdev->v4l2_dev->dev);
845 dev_err(isp->dev, "Failed to power on device\n");
850 ret = hmm_pool_register(dypool_pgnr, HMM_POOL_TYPE_DYNAMIC);
852 dev_err(isp->dev, "Failed to register dynamic memory pool.\n");
856 if (atomisp_css_init(isp)) {
858 /* Need to clean up CSS init if it fails. */
862 atomisp_dev_init_struct(isp);
864 ret = v4l2_subdev_call(isp->flash, core, s_power, 1);
865 if (ret < 0 && ret != -ENODEV && ret != -ENOIOCTLCMD) {
866 dev_err(isp->dev, "Failed to power-on flash\n");
871 if (atomisp_subdev_users(asd))
874 atomisp_subdev_init_struct(asd);
882 rt_mutex_unlock(&isp->mutex);
886 atomisp_css_uninit(isp);
888 hmm_pool_unregister(HMM_POOL_TYPE_DYNAMIC);
889 pm_runtime_put(vdev->v4l2_dev->dev);
890 rt_mutex_unlock(&isp->mutex);
894 static int atomisp_release(struct file *file)
896 struct video_device *vdev = video_devdata(file);
897 struct atomisp_device *isp = video_get_drvdata(vdev);
898 struct atomisp_video_pipe *pipe;
899 struct atomisp_acc_pipe *acc_pipe;
900 struct atomisp_sub_device *asd;
902 struct v4l2_requestbuffers req;
903 struct v4l2_subdev_fh fh;
904 struct v4l2_rect clear_compose = {0};
907 v4l2_fh_init(&fh.vfh, vdev);
913 mutex_lock(&isp->streamoff_mutex);
914 rt_mutex_lock(&isp->mutex);
916 dev_dbg(isp->dev, "release device %s\n", vdev->name);
917 acc_node = !strncmp(vdev->name, "ATOMISP ISP ACC",
920 acc_pipe = atomisp_to_acc_pipe(vdev);
923 pipe = atomisp_to_video_pipe(vdev);
926 asd->subdev.devnode = vdev;
933 if (pipe->capq.streaming)
935 "%s: ISP still streaming while closing!",
938 if (pipe->capq.streaming &&
939 __atomisp_streamoff(file, NULL, V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
941 "atomisp_streamoff failed on release, driver bug");
948 if (__atomisp_reqbufs(file, NULL, &req)) {
950 "atomisp_reqbufs failed on release, driver bug");
954 if (pipe->outq.bufs[0]) {
955 mutex_lock(&pipe->outq.vb_lock);
956 videobuf_queue_cancel(&pipe->outq);
957 mutex_unlock(&pipe->outq.vb_lock);
961 * A little trick here:
962 * file injection input resolution is recorded in the sink pad,
963 * therefore can not be cleared when releaseing one device node.
964 * The sink pad setting can only be cleared when all device nodes
967 if (!isp->sw_contex.file_input && asd->fmt_auto->val) {
968 struct v4l2_mbus_framefmt isp_sink_fmt = { 0 };
969 atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
970 V4L2_SUBDEV_FORMAT_ACTIVE,
971 ATOMISP_SUBDEV_PAD_SINK, &isp_sink_fmt);
974 if (atomisp_subdev_users(asd))
977 /* clear the sink pad for file input */
978 if (isp->sw_contex.file_input && asd->fmt_auto->val) {
979 struct v4l2_mbus_framefmt isp_sink_fmt = { 0 };
980 atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
981 V4L2_SUBDEV_FORMAT_ACTIVE,
982 ATOMISP_SUBDEV_PAD_SINK, &isp_sink_fmt);
985 atomisp_css_free_stat_buffers(asd);
986 atomisp_free_internal_buffers(asd);
987 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
990 dev_warn(isp->dev, "Failed to power-off sensor\n");
992 /* clear the asd field to show this camera is not used */
993 isp->inputs[asd->input_curr].asd = NULL;
994 asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
996 if (atomisp_dev_users(isp))
999 atomisp_acc_release(asd);
1001 atomisp_destroy_pipes_stream_force(asd);
1002 atomisp_css_uninit(isp);
1004 if (defer_fw_load) {
1005 atomisp_css_unload_firmware(isp);
1006 isp->css_env.isp_css_fw.data = NULL;
1007 isp->css_env.isp_css_fw.bytes = 0;
1010 hmm_pool_unregister(HMM_POOL_TYPE_DYNAMIC);
1012 ret = v4l2_subdev_call(isp->flash, core, s_power, 0);
1013 if (ret < 0 && ret != -ENODEV && ret != -ENOIOCTLCMD)
1014 dev_warn(isp->dev, "Failed to power-off flash\n");
1016 if (pm_runtime_put_sync(vdev->v4l2_dev->dev) < 0)
1017 dev_err(isp->dev, "Failed to power off device\n");
1021 atomisp_subdev_set_selection(&asd->subdev, fh.pad,
1022 V4L2_SUBDEV_FORMAT_ACTIVE,
1023 atomisp_subdev_source_pad(vdev),
1024 V4L2_SEL_TGT_COMPOSE, 0,
1027 rt_mutex_unlock(&isp->mutex);
1028 mutex_unlock(&isp->streamoff_mutex);
1034 * Memory help functions for image frame and private parameters
1036 static int do_isp_mm_remap(struct atomisp_device *isp,
1037 struct vm_area_struct *vma,
1038 ia_css_ptr isp_virt, u32 host_virt, u32 pgnr)
1043 pfn = hmm_virt_to_phys(isp_virt) >> PAGE_SHIFT;
1044 if (remap_pfn_range(vma, host_virt, pfn,
1045 PAGE_SIZE, PAGE_SHARED)) {
1046 dev_err(isp->dev, "remap_pfn_range err.\n");
1050 isp_virt += PAGE_SIZE;
1051 host_virt += PAGE_SIZE;
1058 static int frame_mmap(struct atomisp_device *isp,
1059 const struct atomisp_css_frame *frame, struct vm_area_struct *vma)
1061 ia_css_ptr isp_virt;
1066 dev_err(isp->dev, "%s: NULL frame pointer.\n", __func__);
1070 host_virt = vma->vm_start;
1071 isp_virt = frame->data;
1072 atomisp_get_frame_pgnr(isp, frame, &pgnr);
1074 if (do_isp_mm_remap(isp, vma, isp_virt, host_virt, pgnr))
1080 int atomisp_videobuf_mmap_mapper(struct videobuf_queue *q,
1081 struct vm_area_struct *vma)
1083 u32 offset = vma->vm_pgoff << PAGE_SHIFT;
1084 int ret = -EINVAL, i;
1085 struct atomisp_device *isp =
1086 ((struct atomisp_video_pipe *)(q->priv_data))->isp;
1087 struct videobuf_vmalloc_memory *vm_mem;
1088 struct videobuf_mapping *map;
1090 MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
1091 if (!(vma->vm_flags & VM_WRITE) || !(vma->vm_flags & VM_SHARED)) {
1092 dev_err(isp->dev, "map appl bug: PROT_WRITE and MAP_SHARED are required\n");
1096 mutex_lock(&q->vb_lock);
1097 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
1098 struct videobuf_buffer *buf = q->bufs[i];
1102 map = kzalloc(sizeof(struct videobuf_mapping), GFP_KERNEL);
1104 mutex_unlock(&q->vb_lock);
1111 buf->baddr = vma->vm_start;
1113 if (buf && buf->memory == V4L2_MEMORY_MMAP &&
1114 buf->boff == offset) {
1116 ret = frame_mmap(isp, vm_mem->vaddr, vma);
1117 vma->vm_flags |= VM_IO|VM_DONTEXPAND|VM_DONTDUMP;
1121 mutex_unlock(&q->vb_lock);
1126 /* The input frame contains left and right padding that need to be removed.
1127 * There is always ISP_LEFT_PAD padding on the left side.
1128 * There is also padding on the right (padded_width - width).
1130 static int remove_pad_from_frame(struct atomisp_device *isp,
1131 struct atomisp_css_frame *in_frame, __u32 width, __u32 height)
1134 unsigned short *buffer;
1136 ia_css_ptr load = in_frame->data;
1137 ia_css_ptr store = load;
1139 buffer = kmalloc(width*sizeof(load), GFP_KERNEL);
1141 dev_err(isp->dev, "out of memory.\n");
1145 load += ISP_LEFT_PAD;
1146 for (i = 0; i < height; i++) {
1147 ret = hmm_load(load, buffer, width*sizeof(load));
1149 goto remove_pad_error;
1151 ret = hmm_store(store, buffer, width*sizeof(store));
1153 goto remove_pad_error;
1155 load += in_frame->info.padded_width;
1164 static int atomisp_mmap(struct file *file, struct vm_area_struct *vma)
1166 struct video_device *vdev = video_devdata(file);
1167 struct atomisp_device *isp = video_get_drvdata(vdev);
1168 struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1169 struct atomisp_sub_device *asd = pipe->asd;
1170 struct atomisp_css_frame *raw_virt_addr;
1171 u32 start = vma->vm_start;
1172 u32 end = vma->vm_end;
1173 u32 size = end - start;
1174 u32 origin_size, new_size;
1177 if (!(vma->vm_flags & (VM_WRITE | VM_READ)))
1180 rt_mutex_lock(&isp->mutex);
1182 if (!(vma->vm_flags & VM_SHARED)) {
1183 /* Map private buffer.
1184 * Set VM_SHARED to the flags since we need
1185 * to map the buffer page by page.
1186 * Without VM_SHARED, remap_pfn_range() treats
1187 * this kind of mapping as invalid.
1189 vma->vm_flags |= VM_SHARED;
1190 ret = hmm_mmap(vma, vma->vm_pgoff << PAGE_SHIFT);
1191 rt_mutex_unlock(&isp->mutex);
1195 /* mmap for ISP offline raw data */
1196 if (atomisp_subdev_source_pad(vdev)
1197 == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE &&
1198 vma->vm_pgoff == (ISP_PARAM_MMAP_OFFSET >> PAGE_SHIFT)) {
1199 new_size = pipe->pix.width * pipe->pix.height * 2;
1200 if (asd->params.online_process != 0) {
1204 raw_virt_addr = asd->raw_output_frame;
1205 if (raw_virt_addr == NULL) {
1206 dev_err(isp->dev, "Failed to request RAW frame\n");
1211 ret = remove_pad_from_frame(isp, raw_virt_addr,
1212 pipe->pix.width, pipe->pix.height);
1214 dev_err(isp->dev, "remove pad failed.\n");
1217 origin_size = raw_virt_addr->data_bytes;
1218 raw_virt_addr->data_bytes = new_size;
1220 if (size != PAGE_ALIGN(new_size)) {
1221 dev_err(isp->dev, "incorrect size for mmap ISP Raw Frame\n");
1226 if (frame_mmap(isp, raw_virt_addr, vma)) {
1227 dev_err(isp->dev, "frame_mmap failed.\n");
1228 raw_virt_addr->data_bytes = origin_size;
1232 raw_virt_addr->data_bytes = origin_size;
1233 vma->vm_flags |= VM_IO|VM_DONTEXPAND|VM_DONTDUMP;
1234 rt_mutex_unlock(&isp->mutex);
1239 * mmap for normal frames
1241 if (size != pipe->pix.sizeimage) {
1242 dev_err(isp->dev, "incorrect size for mmap ISP frames\n");
1246 rt_mutex_unlock(&isp->mutex);
1248 return atomisp_videobuf_mmap_mapper(&pipe->capq, vma);
1251 rt_mutex_unlock(&isp->mutex);
1256 static int atomisp_file_mmap(struct file *file, struct vm_area_struct *vma)
1258 struct video_device *vdev = video_devdata(file);
1259 struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1261 return videobuf_mmap_mapper(&pipe->outq, vma);
1264 static unsigned int atomisp_poll(struct file *file,
1265 struct poll_table_struct *pt)
1267 struct video_device *vdev = video_devdata(file);
1268 struct atomisp_device *isp = video_get_drvdata(vdev);
1269 struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1271 rt_mutex_lock(&isp->mutex);
1272 if (pipe->capq.streaming != 1) {
1273 rt_mutex_unlock(&isp->mutex);
1276 rt_mutex_unlock(&isp->mutex);
1278 return videobuf_poll_stream(file, &pipe->capq, pt);
1281 const struct v4l2_file_operations atomisp_fops = {
1282 .owner = THIS_MODULE,
1283 .open = atomisp_open,
1284 .release = atomisp_release,
1285 .mmap = atomisp_mmap,
1286 .unlocked_ioctl = video_ioctl2,
1287 #ifdef CONFIG_COMPAT
1289 * There are problems with this code. Disable this for now.
1290 .compat_ioctl32 = atomisp_compat_ioctl32,
1293 .poll = atomisp_poll,
1296 const struct v4l2_file_operations atomisp_file_fops = {
1297 .owner = THIS_MODULE,
1298 .open = atomisp_open,
1299 .release = atomisp_release,
1300 .mmap = atomisp_file_mmap,
1301 .unlocked_ioctl = video_ioctl2,
1302 #ifdef CONFIG_COMPAT
1304 * There are problems with this code. Disable this for now.
1305 .compat_ioctl32 = atomisp_compat_ioctl32,
1308 .poll = atomisp_poll,