Lines Matching +full:tx +full:- +full:level +full:- +full:trig
1 // SPDX-License-Identifier: GPL-2.0
31 #include <media/v4l2-ctrls.h>
32 #include <media/v4l2-dev.h>
33 #include <media/v4l2-device.h>
34 #include <media/v4l2-event.h>
35 #include <media/v4l2-fwnode.h>
36 #include <media/v4l2-image-sizes.h>
37 #include <media/v4l2-ioctl.h>
38 #include <media/v4l2-rect.h>
39 #include <media/videobuf2-dma-contig.h>
41 #define DRV_NAME "stm32-dcmi"
209 list_del_init(&buf->list); in dcmi_buffer_done()
211 vbuf = &buf->vb; in dcmi_buffer_done()
213 vbuf->sequence = dcmi->sequence++; in dcmi_buffer_done()
214 vbuf->field = V4L2_FIELD_NONE; in dcmi_buffer_done()
215 vbuf->vb2_buf.timestamp = ktime_get_ns(); in dcmi_buffer_done()
216 vb2_set_plane_payload(&vbuf->vb2_buf, 0, bytesused); in dcmi_buffer_done()
217 vb2_buffer_done(&vbuf->vb2_buf, in dcmi_buffer_done()
219 dev_dbg(dcmi->dev, "buffer[%d] done seq=%d, bytesused=%zu\n", in dcmi_buffer_done()
220 vbuf->vb2_buf.index, vbuf->sequence, bytesused); in dcmi_buffer_done()
222 dcmi->buffers_count++; in dcmi_buffer_done()
223 dcmi->active = NULL; in dcmi_buffer_done()
230 spin_lock_irq(&dcmi->irqlock); in dcmi_restart_capture()
232 if (dcmi->state != RUNNING) { in dcmi_restart_capture()
233 spin_unlock_irq(&dcmi->irqlock); in dcmi_restart_capture()
234 return -EINVAL; in dcmi_restart_capture()
238 if (list_empty(&dcmi->buffers)) { in dcmi_restart_capture()
239 dev_dbg(dcmi->dev, "Capture restart is deferred to next buffer queueing\n"); in dcmi_restart_capture()
240 dcmi->state = WAIT_FOR_BUFFER; in dcmi_restart_capture()
241 spin_unlock_irq(&dcmi->irqlock); in dcmi_restart_capture()
244 buf = list_entry(dcmi->buffers.next, struct dcmi_buf, list); in dcmi_restart_capture()
245 dcmi->active = buf; in dcmi_restart_capture()
247 spin_unlock_irq(&dcmi->irqlock); in dcmi_restart_capture()
257 struct dcmi_buf *buf = dcmi->active; in dcmi_dma_callback()
259 spin_lock_irq(&dcmi->irqlock); in dcmi_dma_callback()
262 status = dmaengine_tx_status(dcmi->dma_chan, dcmi->dma_cookie, &state); in dcmi_dma_callback()
266 dev_dbg(dcmi->dev, "%s: Received DMA_IN_PROGRESS\n", __func__); in dcmi_dma_callback()
269 dev_err(dcmi->dev, "%s: Received DMA_PAUSED\n", __func__); in dcmi_dma_callback()
272 dev_err(dcmi->dev, "%s: Received DMA_ERROR\n", __func__); in dcmi_dma_callback()
275 dcmi_buffer_done(dcmi, buf, 0, -EIO); in dcmi_dma_callback()
278 dev_dbg(dcmi->dev, "%s: Received DMA_COMPLETE\n", __func__); in dcmi_dma_callback()
281 dcmi_buffer_done(dcmi, buf, buf->size, 0); in dcmi_dma_callback()
283 spin_unlock_irq(&dcmi->irqlock); in dcmi_dma_callback()
287 dev_err(dcmi->dev, "%s: Cannot restart capture on DMA complete\n", in dcmi_dma_callback()
291 dev_err(dcmi->dev, "%s: Received unknown status\n", __func__); in dcmi_dma_callback()
295 spin_unlock_irq(&dcmi->irqlock); in dcmi_dma_callback()
307 config.src_addr = (dma_addr_t)dcmi->res->start + DCMI_DR; in dcmi_start_dma()
313 ret = dmaengine_slave_config(dcmi->dma_chan, &config); in dcmi_start_dma()
315 dev_err(dcmi->dev, "%s: DMA channel config failed (%d)\n", in dcmi_start_dma()
325 mutex_lock(&dcmi->dma_lock); in dcmi_start_dma()
328 desc = dmaengine_prep_slave_single(dcmi->dma_chan, buf->paddr, in dcmi_start_dma()
329 buf->size, in dcmi_start_dma()
333 dev_err(dcmi->dev, "%s: DMA dmaengine_prep_slave_single failed for buffer phy=%pad size=%zu\n", in dcmi_start_dma()
334 __func__, &buf->paddr, buf->size); in dcmi_start_dma()
335 mutex_unlock(&dcmi->dma_lock); in dcmi_start_dma()
336 return -EINVAL; in dcmi_start_dma()
340 desc->callback = dcmi_dma_callback; in dcmi_start_dma()
341 desc->callback_param = dcmi; in dcmi_start_dma()
344 dcmi->dma_cookie = dmaengine_submit(desc); in dcmi_start_dma()
345 if (dma_submit_error(dcmi->dma_cookie)) { in dcmi_start_dma()
346 dev_err(dcmi->dev, "%s: DMA submission failed\n", __func__); in dcmi_start_dma()
347 mutex_unlock(&dcmi->dma_lock); in dcmi_start_dma()
348 return -ENXIO; in dcmi_start_dma()
351 mutex_unlock(&dcmi->dma_lock); in dcmi_start_dma()
353 dma_async_issue_pending(dcmi->dma_chan); in dcmi_start_dma()
363 return -EINVAL; in dcmi_start_capture()
367 dcmi->errors_count++; in dcmi_start_capture()
372 reg_set(dcmi->regs, DCMI_CR, CR_CAPTURE); in dcmi_start_capture()
382 size = ((dcmi->crop.height - 1) << 16) | in dcmi_set_crop()
383 ((dcmi->crop.width << 1) - 1); in dcmi_set_crop()
384 reg_write(dcmi->regs, DCMI_CWSIZE, size); in dcmi_set_crop()
387 start = ((dcmi->crop.top) << 16) | in dcmi_set_crop()
388 ((dcmi->crop.left << 1)); in dcmi_set_crop()
389 reg_write(dcmi->regs, DCMI_CWSTRT, start); in dcmi_set_crop()
391 dev_dbg(dcmi->dev, "Cropping to %ux%u@%u:%u\n", in dcmi_set_crop()
392 dcmi->crop.width, dcmi->crop.height, in dcmi_set_crop()
393 dcmi->crop.left, dcmi->crop.top); in dcmi_set_crop()
396 reg_set(dcmi->regs, DCMI_CR, CR_CROP); in dcmi_set_crop()
403 struct dcmi_buf *buf = dcmi->active; in dcmi_process_jpeg()
413 * Then DMA tx status gives the amount of data transferred in dcmi_process_jpeg()
419 dmaengine_synchronize(dcmi->dma_chan); in dcmi_process_jpeg()
422 status = dmaengine_tx_status(dcmi->dma_chan, dcmi->dma_cookie, &state); in dcmi_process_jpeg()
423 if (status != DMA_ERROR && state.residue < buf->size) { in dcmi_process_jpeg()
425 dcmi_buffer_done(dcmi, buf, buf->size - state.residue, 0); in dcmi_process_jpeg()
427 dcmi->errors_count++; in dcmi_process_jpeg()
428 dev_err(dcmi->dev, "%s: Cannot get JPEG size from DMA\n", in dcmi_process_jpeg()
431 dcmi_buffer_done(dcmi, buf, 0, -EIO); in dcmi_process_jpeg()
435 dmaengine_terminate_sync(dcmi->dma_chan); in dcmi_process_jpeg()
439 dev_err(dcmi->dev, "%s: Cannot restart capture on JPEG received\n", in dcmi_process_jpeg()
447 spin_lock_irq(&dcmi->irqlock); in dcmi_irq_thread()
449 if (dcmi->misr & IT_OVR) { in dcmi_irq_thread()
450 dcmi->overrun_count++; in dcmi_irq_thread()
451 if (dcmi->overrun_count > OVERRUN_ERROR_THRESHOLD) in dcmi_irq_thread()
452 dcmi->errors_count++; in dcmi_irq_thread()
454 if (dcmi->misr & IT_ERR) in dcmi_irq_thread()
455 dcmi->errors_count++; in dcmi_irq_thread()
457 if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG && in dcmi_irq_thread()
458 dcmi->misr & IT_FRAME) { in dcmi_irq_thread()
460 spin_unlock_irq(&dcmi->irqlock); in dcmi_irq_thread()
465 spin_unlock_irq(&dcmi->irqlock); in dcmi_irq_thread()
474 spin_lock_irqsave(&dcmi->irqlock, flags); in dcmi_irq_callback()
476 dcmi->misr = reg_read(dcmi->regs, DCMI_MIS); in dcmi_irq_callback()
479 reg_set(dcmi->regs, DCMI_ICR, IT_FRAME | IT_OVR | IT_ERR); in dcmi_irq_callback()
481 spin_unlock_irqrestore(&dcmi->irqlock, flags); in dcmi_irq_callback()
495 size = dcmi->fmt.fmt.pix.sizeimage; in dcmi_queue_setup()
499 return sizes[0] < size ? -EINVAL : 0; in dcmi_queue_setup()
504 dev_dbg(dcmi->dev, "Setup queue, count=%d, size=%d\n", in dcmi_queue_setup()
515 INIT_LIST_HEAD(&buf->list); in dcmi_buf_init()
522 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vb->vb2_queue); in dcmi_buf_prepare()
527 size = dcmi->fmt.fmt.pix.sizeimage; in dcmi_buf_prepare()
530 dev_err(dcmi->dev, "%s data will not fit into plane (%lu < %lu)\n", in dcmi_buf_prepare()
532 return -EINVAL; in dcmi_buf_prepare()
537 if (!buf->prepared) { in dcmi_buf_prepare()
539 buf->paddr = in dcmi_buf_prepare()
540 vb2_dma_contig_plane_dma_addr(&buf->vb.vb2_buf, 0); in dcmi_buf_prepare()
541 buf->size = vb2_plane_size(&buf->vb.vb2_buf, 0); in dcmi_buf_prepare()
542 buf->prepared = true; in dcmi_buf_prepare()
544 vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->size); in dcmi_buf_prepare()
546 dev_dbg(dcmi->dev, "buffer[%d] phy=%pad size=%zu\n", in dcmi_buf_prepare()
547 vb->index, &buf->paddr, buf->size); in dcmi_buf_prepare()
555 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vb->vb2_queue); in dcmi_buf_queue()
559 spin_lock_irq(&dcmi->irqlock); in dcmi_buf_queue()
562 list_add_tail(&buf->list, &dcmi->buffers); in dcmi_buf_queue()
564 if (dcmi->state == WAIT_FOR_BUFFER) { in dcmi_buf_queue()
565 dcmi->state = RUNNING; in dcmi_buf_queue()
566 dcmi->active = buf; in dcmi_buf_queue()
568 dev_dbg(dcmi->dev, "Starting capture on buffer[%d] queued\n", in dcmi_buf_queue()
569 buf->vb.vb2_buf.index); in dcmi_buf_queue()
571 spin_unlock_irq(&dcmi->irqlock); in dcmi_buf_queue()
573 dev_err(dcmi->dev, "%s: Cannot restart capture on overflow or error\n", in dcmi_buf_queue()
578 spin_unlock_irq(&dcmi->irqlock); in dcmi_buf_queue()
583 struct media_entity *entity = &dcmi->vdev->entity; in dcmi_find_source()
588 pad = &entity->pads[0]; in dcmi_find_source()
589 if (!(pad->flags & MEDIA_PAD_FL_SINK)) in dcmi_find_source()
593 if (!pad || !is_media_entity_v4l2_subdev(pad->entity)) in dcmi_find_source()
596 entity = pad->entity; in dcmi_find_source()
606 struct media_entity *entity = &dcmi->source->entity; in dcmi_pipeline_s_fmt()
623 for (i = 0; i < entity->num_pads; i++) { in dcmi_pipeline_s_fmt()
624 pad = &entity->pads[i]; in dcmi_pipeline_s_fmt()
625 if (pad->flags & MEDIA_PAD_FL_SOURCE) { in dcmi_pipeline_s_fmt()
640 dev_dbg(dcmi->dev, "\"%s\":%d pad format set to 0x%x %ux%u\n", in dcmi_pipeline_s_fmt()
641 subdev->name, pad->index, format->format.code, in dcmi_pipeline_s_fmt()
642 format->format.width, format->format.height); in dcmi_pipeline_s_fmt()
644 fmt.pad = pad->index; in dcmi_pipeline_s_fmt()
647 dev_err(dcmi->dev, "%s: Failed to set format 0x%x %ux%u on \"%s\":%d pad (%d)\n", in dcmi_pipeline_s_fmt()
648 __func__, format->format.code, in dcmi_pipeline_s_fmt()
649 format->format.width, format->format.height, in dcmi_pipeline_s_fmt()
650 subdev->name, pad->index, ret); in dcmi_pipeline_s_fmt()
654 if (fmt.format.code != format->format.code || in dcmi_pipeline_s_fmt()
655 fmt.format.width != format->format.width || in dcmi_pipeline_s_fmt()
656 fmt.format.height != format->format.height) { in dcmi_pipeline_s_fmt()
657 dev_dbg(dcmi->dev, "\"%s\":%d pad format has been changed to 0x%x %ux%u\n", in dcmi_pipeline_s_fmt()
658 subdev->name, pad->index, fmt.format.code, in dcmi_pipeline_s_fmt()
664 if (!sink_pad || !is_media_entity_v4l2_subdev(sink_pad->entity)) in dcmi_pipeline_s_fmt()
667 entity = sink_pad->entity; in dcmi_pipeline_s_fmt()
676 struct media_entity *entity = &dcmi->vdev->entity; in dcmi_pipeline_s_stream()
683 pad = &entity->pads[0]; in dcmi_pipeline_s_stream()
684 if (!(pad->flags & MEDIA_PAD_FL_SINK)) in dcmi_pipeline_s_stream()
688 if (!pad || !is_media_entity_v4l2_subdev(pad->entity)) in dcmi_pipeline_s_stream()
691 entity = pad->entity; in dcmi_pipeline_s_stream()
695 if (ret < 0 && ret != -ENOIOCTLCMD) { in dcmi_pipeline_s_stream()
696 dev_err(dcmi->dev, "%s: \"%s\" failed to %s streaming (%d)\n", in dcmi_pipeline_s_stream()
697 __func__, subdev->name, in dcmi_pipeline_s_stream()
702 dev_dbg(dcmi->dev, "\"%s\" is %s\n", in dcmi_pipeline_s_stream()
703 subdev->name, state ? "started" : "stopped"); in dcmi_pipeline_s_stream()
726 ret = pm_runtime_resume_and_get(dcmi->dev); in dcmi_start_streaming()
728 dev_err(dcmi->dev, "%s: Failed to start streaming, cannot get sync (%d)\n", in dcmi_start_streaming()
733 ret = media_pipeline_start(&dcmi->vdev->entity, &dcmi->pipeline); in dcmi_start_streaming()
735 dev_err(dcmi->dev, "%s: Failed to start streaming, media pipeline start error (%d)\n", in dcmi_start_streaming()
744 spin_lock_irq(&dcmi->irqlock); in dcmi_start_streaming()
747 switch (dcmi->bus.bus_width) { in dcmi_start_streaming()
763 if (dcmi->bus.flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) in dcmi_start_streaming()
767 if (dcmi->bus.flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) in dcmi_start_streaming()
771 if (dcmi->bus.flags & V4L2_MBUS_PCLK_SAMPLE_RISING) in dcmi_start_streaming()
781 if (dcmi->bus_type == V4L2_MBUS_BT656) { in dcmi_start_streaming()
785 reg_write(dcmi->regs, DCMI_ESUR, 0xffffffff);/* FEC:LEC:LSC:FSC */ in dcmi_start_streaming()
787 /* Trig on LSC=0x80 & LEC=0x9d codes, ignore FSC and FEC */ in dcmi_start_streaming()
788 reg_write(dcmi->regs, DCMI_ESCR, 0xff9d80ff);/* FEC:LEC:LSC:FSC */ in dcmi_start_streaming()
791 reg_write(dcmi->regs, DCMI_CR, val); in dcmi_start_streaming()
794 if (dcmi->do_crop) in dcmi_start_streaming()
798 if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG) in dcmi_start_streaming()
799 reg_set(dcmi->regs, DCMI_CR, CR_CM);/* Snapshot mode */ in dcmi_start_streaming()
802 reg_set(dcmi->regs, DCMI_CR, CR_ENABLE); in dcmi_start_streaming()
804 dcmi->sequence = 0; in dcmi_start_streaming()
805 dcmi->errors_count = 0; in dcmi_start_streaming()
806 dcmi->overrun_count = 0; in dcmi_start_streaming()
807 dcmi->buffers_count = 0; in dcmi_start_streaming()
813 if (list_empty(&dcmi->buffers)) { in dcmi_start_streaming()
814 dev_dbg(dcmi->dev, "Start streaming is deferred to next buffer queueing\n"); in dcmi_start_streaming()
815 dcmi->state = WAIT_FOR_BUFFER; in dcmi_start_streaming()
816 spin_unlock_irq(&dcmi->irqlock); in dcmi_start_streaming()
820 buf = list_entry(dcmi->buffers.next, struct dcmi_buf, list); in dcmi_start_streaming()
821 dcmi->active = buf; in dcmi_start_streaming()
823 dcmi->state = RUNNING; in dcmi_start_streaming()
825 dev_dbg(dcmi->dev, "Start streaming, starting capture\n"); in dcmi_start_streaming()
827 spin_unlock_irq(&dcmi->irqlock); in dcmi_start_streaming()
830 dev_err(dcmi->dev, "%s: Start streaming failed, cannot start capture\n", in dcmi_start_streaming()
836 if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG) in dcmi_start_streaming()
837 reg_set(dcmi->regs, DCMI_IER, IT_FRAME | IT_OVR | IT_ERR); in dcmi_start_streaming()
839 reg_set(dcmi->regs, DCMI_IER, IT_OVR | IT_ERR); in dcmi_start_streaming()
847 media_pipeline_stop(&dcmi->vdev->entity); in dcmi_start_streaming()
850 pm_runtime_put(dcmi->dev); in dcmi_start_streaming()
852 spin_lock_irq(&dcmi->irqlock); in dcmi_start_streaming()
857 list_for_each_entry_safe(buf, node, &dcmi->buffers, list) { in dcmi_start_streaming()
858 list_del_init(&buf->list); in dcmi_start_streaming()
859 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); in dcmi_start_streaming()
861 dcmi->active = NULL; in dcmi_start_streaming()
862 spin_unlock_irq(&dcmi->irqlock); in dcmi_start_streaming()
874 media_pipeline_stop(&dcmi->vdev->entity); in dcmi_stop_streaming()
876 spin_lock_irq(&dcmi->irqlock); in dcmi_stop_streaming()
879 reg_clear(dcmi->regs, DCMI_IER, IT_FRAME | IT_OVR | IT_ERR); in dcmi_stop_streaming()
882 reg_clear(dcmi->regs, DCMI_CR, CR_ENABLE); in dcmi_stop_streaming()
885 list_for_each_entry_safe(buf, node, &dcmi->buffers, list) { in dcmi_stop_streaming()
886 list_del_init(&buf->list); in dcmi_stop_streaming()
887 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); in dcmi_stop_streaming()
890 dcmi->active = NULL; in dcmi_stop_streaming()
891 dcmi->state = STOPPED; in dcmi_stop_streaming()
893 spin_unlock_irq(&dcmi->irqlock); in dcmi_stop_streaming()
896 mutex_lock(&dcmi->dma_lock); in dcmi_stop_streaming()
897 dmaengine_terminate_sync(dcmi->dma_chan); in dcmi_stop_streaming()
898 mutex_unlock(&dcmi->dma_lock); in dcmi_stop_streaming()
900 pm_runtime_put(dcmi->dev); in dcmi_stop_streaming()
902 if (dcmi->errors_count) in dcmi_stop_streaming()
903 dev_warn(dcmi->dev, "Some errors found while streaming: errors=%d (overrun=%d), buffers=%d\n", in dcmi_stop_streaming()
904 dcmi->errors_count, dcmi->overrun_count, in dcmi_stop_streaming()
905 dcmi->buffers_count); in dcmi_stop_streaming()
906 dev_dbg(dcmi->dev, "Stop streaming, errors=%d (overrun=%d), buffers=%d\n", in dcmi_stop_streaming()
907 dcmi->errors_count, dcmi->overrun_count, in dcmi_stop_streaming()
908 dcmi->buffers_count); in dcmi_stop_streaming()
927 *fmt = dcmi->fmt; in dcmi_g_fmt_vid_cap()
935 unsigned int num_formats = dcmi->num_of_sd_formats; in find_format_by_fourcc()
940 fmt = dcmi->sd_formats[i]; in find_format_by_fourcc()
941 if (fmt->fourcc == fourcc) in find_format_by_fourcc()
956 for (i = 0; i < dcmi->num_of_sd_framesizes; i++) { in __find_outer_frame_size()
957 struct dcmi_framesize *fsize = &dcmi->sd_framesizes[i]; in __find_outer_frame_size()
958 int w_err = (fsize->width - pix->width); in __find_outer_frame_size()
959 int h_err = (fsize->height - pix->height); in __find_outer_frame_size()
968 match = &dcmi->sd_framesizes[0]; in __find_outer_frame_size()
979 struct v4l2_pix_format *pix = &f->fmt.pix; in dcmi_try_fmt()
990 sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat); in dcmi_try_fmt()
992 if (!dcmi->num_of_sd_formats) in dcmi_try_fmt()
993 return -ENODATA; in dcmi_try_fmt()
995 sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1]; in dcmi_try_fmt()
996 pix->pixelformat = sd_fmt->fourcc; in dcmi_try_fmt()
1000 pix->width = clamp(pix->width, MIN_WIDTH, MAX_WIDTH); in dcmi_try_fmt()
1001 pix->height = clamp(pix->height, MIN_HEIGHT, MAX_HEIGHT); in dcmi_try_fmt()
1004 do_crop = dcmi->do_crop && (pix->pixelformat != V4L2_PIX_FMT_JPEG); in dcmi_try_fmt()
1006 if (do_crop && dcmi->num_of_sd_framesizes) { in dcmi_try_fmt()
1013 pix->width = outer_sd_fsize.width; in dcmi_try_fmt()
1014 pix->height = outer_sd_fsize.height; in dcmi_try_fmt()
1017 v4l2_fill_mbus_format(&format.format, pix, sd_fmt->mbus_code); in dcmi_try_fmt()
1018 ret = v4l2_subdev_call(dcmi->source, pad, set_fmt, in dcmi_try_fmt()
1027 sd_fsize.width = pix->width; in dcmi_try_fmt()
1028 sd_fsize.height = pix->height; in dcmi_try_fmt()
1031 struct v4l2_rect c = dcmi->crop; in dcmi_try_fmt()
1040 max_rect.width = pix->width; in dcmi_try_fmt()
1041 max_rect.height = pix->height; in dcmi_try_fmt()
1043 c.top = clamp_t(s32, c.top, 0, pix->height - c.height); in dcmi_try_fmt()
1044 c.left = clamp_t(s32, c.left, 0, pix->width - c.width); in dcmi_try_fmt()
1045 dcmi->crop = c; in dcmi_try_fmt()
1048 pix->width = dcmi->crop.width; in dcmi_try_fmt()
1049 pix->height = dcmi->crop.height; in dcmi_try_fmt()
1052 pix->field = V4L2_FIELD_NONE; in dcmi_try_fmt()
1053 pix->bytesperline = pix->width * sd_fmt->bpp; in dcmi_try_fmt()
1054 pix->sizeimage = pix->bytesperline * pix->height; in dcmi_try_fmt()
1072 struct v4l2_pix_format *pix = &f->fmt.pix; in dcmi_set_fmt()
1086 if (pix->pixelformat == V4L2_PIX_FMT_JPEG && in dcmi_set_fmt()
1087 dcmi->bus_type != V4L2_MBUS_BT656) in dcmi_set_fmt()
1088 dcmi->do_crop = false; in dcmi_set_fmt()
1092 sd_format->mbus_code); in dcmi_set_fmt()
1093 mf->width = sd_framesize.width; in dcmi_set_fmt()
1094 mf->height = sd_framesize.height; in dcmi_set_fmt()
1100 dev_dbg(dcmi->dev, "Sensor format set to 0x%x %ux%u\n", in dcmi_set_fmt()
1101 mf->code, mf->width, mf->height); in dcmi_set_fmt()
1102 dev_dbg(dcmi->dev, "Buffer format set to %4.4s %ux%u\n", in dcmi_set_fmt()
1103 (char *)&pix->pixelformat, in dcmi_set_fmt()
1104 pix->width, pix->height); in dcmi_set_fmt()
1106 dcmi->fmt = *f; in dcmi_set_fmt()
1107 dcmi->sd_format = sd_format; in dcmi_set_fmt()
1108 dcmi->sd_framesize = sd_framesize; in dcmi_set_fmt()
1118 if (vb2_is_streaming(&dcmi->queue)) in dcmi_s_fmt_vid_cap()
1119 return -EBUSY; in dcmi_s_fmt_vid_cap()
1137 if (f->index >= dcmi->num_of_sd_formats) in dcmi_enum_fmt_vid_cap()
1138 return -EINVAL; in dcmi_enum_fmt_vid_cap()
1140 f->pixelformat = dcmi->sd_formats[f->index]->fourcc; in dcmi_enum_fmt_vid_cap()
1152 ret = v4l2_subdev_call(dcmi->source, pad, get_fmt, NULL, &fmt); in dcmi_get_sensor_format()
1174 sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat); in dcmi_set_sensor_format()
1176 if (!dcmi->num_of_sd_formats) in dcmi_set_sensor_format()
1177 return -ENODATA; in dcmi_set_sensor_format()
1179 sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1]; in dcmi_set_sensor_format()
1180 pix->pixelformat = sd_fmt->fourcc; in dcmi_set_sensor_format()
1183 v4l2_fill_mbus_format(&format.format, pix, sd_fmt->mbus_code); in dcmi_set_sensor_format()
1184 ret = v4l2_subdev_call(dcmi->source, pad, set_fmt, in dcmi_set_sensor_format()
1207 ret = v4l2_subdev_call(dcmi->source, pad, get_selection, in dcmi_get_sensor_bounds()
1211 if (ret != -ENOIOCTLCMD) in dcmi_get_sensor_bounds()
1222 for (i = 0; i < dcmi->num_of_sd_framesizes; i++) { in dcmi_get_sensor_bounds()
1223 struct dcmi_framesize *fsize = &dcmi->sd_framesizes[i]; in dcmi_get_sensor_bounds()
1224 unsigned int pixsize = fsize->width * fsize->height; in dcmi_get_sensor_bounds()
1228 max_width = fsize->width; in dcmi_get_sensor_bounds()
1229 max_height = fsize->height; in dcmi_get_sensor_bounds()
1233 r->top = 0; in dcmi_get_sensor_bounds()
1234 r->left = 0; in dcmi_get_sensor_bounds()
1235 r->width = max_width; in dcmi_get_sensor_bounds()
1236 r->height = max_height; in dcmi_get_sensor_bounds()
1248 r->top = 0; in dcmi_get_sensor_bounds()
1249 r->left = 0; in dcmi_get_sensor_bounds()
1250 r->width = pix.width; in dcmi_get_sensor_bounds()
1251 r->height = pix.height; in dcmi_get_sensor_bounds()
1261 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) in dcmi_g_selection()
1262 return -EINVAL; in dcmi_g_selection()
1264 switch (s->target) { in dcmi_g_selection()
1267 s->r = dcmi->sd_bounds; in dcmi_g_selection()
1270 if (dcmi->do_crop) { in dcmi_g_selection()
1271 s->r = dcmi->crop; in dcmi_g_selection()
1273 s->r.top = 0; in dcmi_g_selection()
1274 s->r.left = 0; in dcmi_g_selection()
1275 s->r.width = dcmi->fmt.fmt.pix.width; in dcmi_g_selection()
1276 s->r.height = dcmi->fmt.fmt.pix.height; in dcmi_g_selection()
1280 return -EINVAL; in dcmi_g_selection()
1290 struct v4l2_rect r = s->r; in dcmi_s_selection()
1294 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || in dcmi_s_selection()
1295 s->target != V4L2_SEL_TGT_CROP) in dcmi_s_selection()
1296 return -EINVAL; in dcmi_s_selection()
1299 pix.pixelformat = dcmi->fmt.fmt.pix.pixelformat; in dcmi_s_selection()
1300 pix.width = dcmi->sd_bounds.width; in dcmi_s_selection()
1301 pix.height = dcmi->sd_bounds.height; in dcmi_s_selection()
1314 r.top = clamp_t(s32, r.top, 0, pix.height - r.height); in dcmi_s_selection()
1315 r.left = clamp_t(s32, r.left, 0, pix.width - r.width); in dcmi_s_selection()
1317 if (!(r.top == dcmi->sd_bounds.top && in dcmi_s_selection()
1318 r.left == dcmi->sd_bounds.left && in dcmi_s_selection()
1319 r.width == dcmi->sd_bounds.width && in dcmi_s_selection()
1320 r.height == dcmi->sd_bounds.height)) { in dcmi_s_selection()
1322 dcmi->do_crop = true; in dcmi_s_selection()
1323 dcmi->crop = r; in dcmi_s_selection()
1324 dev_dbg(dcmi->dev, "s_selection: crop %ux%u@(%u,%u) from %ux%u\n", in dcmi_s_selection()
1329 dcmi->do_crop = false; in dcmi_s_selection()
1330 dev_dbg(dcmi->dev, "s_selection: crop is disabled\n"); in dcmi_s_selection()
1333 s->r = r; in dcmi_s_selection()
1340 strscpy(cap->driver, DRV_NAME, sizeof(cap->driver)); in dcmi_querycap()
1341 strscpy(cap->card, "STM32 Camera Memory Interface", in dcmi_querycap()
1342 sizeof(cap->card)); in dcmi_querycap()
1343 strscpy(cap->bus_info, "platform:dcmi", sizeof(cap->bus_info)); in dcmi_querycap()
1350 if (i->index != 0) in dcmi_enum_input()
1351 return -EINVAL; in dcmi_enum_input()
1353 i->type = V4L2_INPUT_TYPE_CAMERA; in dcmi_enum_input()
1354 strscpy(i->name, "Camera", sizeof(i->name)); in dcmi_enum_input()
1367 return -EINVAL; in dcmi_s_input()
1377 .index = fsize->index, in dcmi_enum_framesizes()
1382 sd_fmt = find_format_by_fourcc(dcmi, fsize->pixel_format); in dcmi_enum_framesizes()
1384 return -EINVAL; in dcmi_enum_framesizes()
1386 fse.code = sd_fmt->mbus_code; in dcmi_enum_framesizes()
1388 ret = v4l2_subdev_call(dcmi->source, pad, enum_frame_size, in dcmi_enum_framesizes()
1393 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; in dcmi_enum_framesizes()
1394 fsize->discrete.width = fse.max_width; in dcmi_enum_framesizes()
1395 fsize->discrete.height = fse.max_height; in dcmi_enum_framesizes()
1405 return v4l2_g_parm_cap(video_devdata(file), dcmi->source, p); in dcmi_g_parm()
1413 return v4l2_s_parm_cap(video_devdata(file), dcmi->source, p); in dcmi_s_parm()
1422 .index = fival->index, in dcmi_enum_frameintervals()
1423 .width = fival->width, in dcmi_enum_frameintervals()
1424 .height = fival->height, in dcmi_enum_frameintervals()
1429 sd_fmt = find_format_by_fourcc(dcmi, fival->pixel_format); in dcmi_enum_frameintervals()
1431 return -EINVAL; in dcmi_enum_frameintervals()
1433 fie.code = sd_fmt->mbus_code; in dcmi_enum_frameintervals()
1435 ret = v4l2_subdev_call(dcmi->source, pad, in dcmi_enum_frameintervals()
1440 fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; in dcmi_enum_frameintervals()
1441 fival->discrete = fie.interval; in dcmi_enum_frameintervals()
1447 { .compatible = "st,stm32-dcmi"},
1455 struct v4l2_subdev *sd = dcmi->source; in dcmi_open()
1458 if (mutex_lock_interruptible(&dcmi->lock)) in dcmi_open()
1459 return -ERESTARTSYS; in dcmi_open()
1469 if (ret < 0 && ret != -ENOIOCTLCMD) in dcmi_open()
1472 ret = dcmi_set_fmt(dcmi, &dcmi->fmt); in dcmi_open()
1479 mutex_unlock(&dcmi->lock); in dcmi_open()
1486 struct v4l2_subdev *sd = dcmi->source; in dcmi_release()
1490 mutex_lock(&dcmi->lock); in dcmi_release()
1499 mutex_unlock(&dcmi->lock); in dcmi_release()
1560 .pixelformat = dcmi->sd_formats[0]->fourcc, in dcmi_set_default_fmt()
1568 dcmi->sd_format = dcmi->sd_formats[0]; in dcmi_set_default_fmt()
1569 dcmi->fmt = f; in dcmi_set_default_fmt()
1619 struct v4l2_subdev *subdev = dcmi->source; in dcmi_formats_init()
1632 dcmi->bus_type == V4L2_MBUS_BT656) in dcmi_formats_init()
1637 if (sd_fmts[j]->fourcc == in dcmi_formats_init()
1640 dev_dbg(dcmi->dev, "Skipping fourcc/code: %4.4s/0x%x\n", in dcmi_formats_init()
1641 (char *)&sd_fmts[j]->fourcc, in dcmi_formats_init()
1648 dev_dbg(dcmi->dev, "Supported fourcc/code: %4.4s/0x%x\n", in dcmi_formats_init()
1649 (char *)&sd_fmts[num_fmts - 1]->fourcc, in dcmi_formats_init()
1650 sd_fmts[num_fmts - 1]->mbus_code); in dcmi_formats_init()
1657 return -ENXIO; in dcmi_formats_init()
1659 dcmi->num_of_sd_formats = num_fmts; in dcmi_formats_init()
1660 dcmi->sd_formats = devm_kcalloc(dcmi->dev, in dcmi_formats_init()
1663 if (!dcmi->sd_formats) { in dcmi_formats_init()
1664 dev_err(dcmi->dev, "Could not allocate memory\n"); in dcmi_formats_init()
1665 return -ENOMEM; in dcmi_formats_init()
1668 memcpy(dcmi->sd_formats, sd_fmts, in dcmi_formats_init()
1670 dcmi->sd_format = dcmi->sd_formats[0]; in dcmi_formats_init()
1678 struct v4l2_subdev *subdev = dcmi->source; in dcmi_framesizes_init()
1681 .code = dcmi->sd_format->mbus_code, in dcmi_framesizes_init()
1695 dcmi->num_of_sd_framesizes = num_fsize; in dcmi_framesizes_init()
1696 dcmi->sd_framesizes = devm_kcalloc(dcmi->dev, num_fsize, in dcmi_framesizes_init()
1699 if (!dcmi->sd_framesizes) { in dcmi_framesizes_init()
1700 dev_err(dcmi->dev, "Could not allocate memory\n"); in dcmi_framesizes_init()
1701 return -ENOMEM; in dcmi_framesizes_init()
1705 dev_dbg(dcmi->dev, "Sensor supports %u frame sizes:\n", num_fsize); in dcmi_framesizes_init()
1706 for (i = 0; i < dcmi->num_of_sd_framesizes; i++) { in dcmi_framesizes_init()
1712 dcmi->sd_framesizes[fse.index].width = fse.max_width; in dcmi_framesizes_init()
1713 dcmi->sd_framesizes[fse.index].height = fse.max_height; in dcmi_framesizes_init()
1714 dev_dbg(dcmi->dev, "%ux%u\n", fse.max_width, fse.max_height); in dcmi_framesizes_init()
1730 dcmi->source = media_entity_to_v4l2_subdev(dcmi_find_source(dcmi)); in dcmi_graph_notify_complete()
1731 if (!dcmi->source) { in dcmi_graph_notify_complete()
1732 dev_err(dcmi->dev, "Source subdevice not found\n"); in dcmi_graph_notify_complete()
1733 return -ENODEV; in dcmi_graph_notify_complete()
1736 dcmi->vdev->ctrl_handler = dcmi->source->ctrl_handler; in dcmi_graph_notify_complete()
1740 dev_err(dcmi->dev, "No supported mediabus format found\n"); in dcmi_graph_notify_complete()
1746 dev_err(dcmi->dev, "Could not initialize framesizes\n"); in dcmi_graph_notify_complete()
1750 ret = dcmi_get_sensor_bounds(dcmi, &dcmi->sd_bounds); in dcmi_graph_notify_complete()
1752 dev_err(dcmi->dev, "Could not get sensor bounds\n"); in dcmi_graph_notify_complete()
1758 dev_err(dcmi->dev, "Could not set default format\n"); in dcmi_graph_notify_complete()
1771 dev_dbg(dcmi->dev, "Removing %s\n", video_device_node_name(dcmi->vdev)); in dcmi_graph_notify_unbind()
1774 video_unregister_device(dcmi->vdev); in dcmi_graph_notify_unbind()
1785 dev_dbg(dcmi->dev, "Subdev \"%s\" bound\n", subdev->name); in dcmi_graph_notify_bound()
1788 * Link this sub-device to DCMI, it could be in dcmi_graph_notify_bound()
1791 src_pad = media_entity_get_fwnode_pad(&subdev->entity, in dcmi_graph_notify_bound()
1792 subdev->fwnode, in dcmi_graph_notify_bound()
1795 ret = media_create_pad_link(&subdev->entity, src_pad, in dcmi_graph_notify_bound()
1796 &dcmi->vdev->entity, 0, in dcmi_graph_notify_bound()
1800 dev_err(dcmi->dev, "Failed to create media pad link with subdev \"%s\"\n", in dcmi_graph_notify_bound()
1801 subdev->name); in dcmi_graph_notify_bound()
1803 dev_dbg(dcmi->dev, "DCMI is now linked to \"%s\"\n", in dcmi_graph_notify_bound()
1804 subdev->name); in dcmi_graph_notify_bound()
1821 ep = of_graph_get_next_endpoint(dcmi->dev->of_node, NULL); in dcmi_graph_init()
1823 dev_err(dcmi->dev, "Failed to get next endpoint\n"); in dcmi_graph_init()
1824 return -EINVAL; in dcmi_graph_init()
1827 v4l2_async_notifier_init(&dcmi->notifier); in dcmi_graph_init()
1830 &dcmi->notifier, of_fwnode_handle(ep), in dcmi_graph_init()
1836 dev_err(dcmi->dev, "Failed to add subdev notifier\n"); in dcmi_graph_init()
1840 dcmi->notifier.ops = &dcmi_graph_notify_ops; in dcmi_graph_init()
1842 ret = v4l2_async_notifier_register(&dcmi->v4l2_dev, &dcmi->notifier); in dcmi_graph_init()
1844 dev_err(dcmi->dev, "Failed to register notifier\n"); in dcmi_graph_init()
1845 v4l2_async_notifier_cleanup(&dcmi->notifier); in dcmi_graph_init()
1854 struct device_node *np = pdev->dev.of_node; in dcmi_probe()
1864 match = of_match_device(of_match_ptr(stm32_dcmi_of_match), &pdev->dev); in dcmi_probe()
1866 dev_err(&pdev->dev, "Could not find a match in devicetree\n"); in dcmi_probe()
1867 return -ENODEV; in dcmi_probe()
1870 dcmi = devm_kzalloc(&pdev->dev, sizeof(struct stm32_dcmi), GFP_KERNEL); in dcmi_probe()
1872 return -ENOMEM; in dcmi_probe()
1874 dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); in dcmi_probe()
1875 if (IS_ERR(dcmi->rstc)) { in dcmi_probe()
1876 if (PTR_ERR(dcmi->rstc) != -EPROBE_DEFER) in dcmi_probe()
1877 dev_err(&pdev->dev, "Could not get reset control\n"); in dcmi_probe()
1879 return PTR_ERR(dcmi->rstc); in dcmi_probe()
1885 dev_err(&pdev->dev, "Could not find the endpoint\n"); in dcmi_probe()
1886 return -ENODEV; in dcmi_probe()
1892 dev_err(&pdev->dev, "Could not parse the endpoint\n"); in dcmi_probe()
1897 dev_err(&pdev->dev, "CSI bus not supported\n"); in dcmi_probe()
1898 return -ENODEV; in dcmi_probe()
1903 dev_err(&pdev->dev, "BT656 bus conflicts with %u bits bus width (8 bits required)\n", in dcmi_probe()
1905 return -ENODEV; in dcmi_probe()
1908 dcmi->bus.flags = ep.bus.parallel.flags; in dcmi_probe()
1909 dcmi->bus.bus_width = ep.bus.parallel.bus_width; in dcmi_probe()
1910 dcmi->bus.data_shift = ep.bus.parallel.data_shift; in dcmi_probe()
1911 dcmi->bus_type = ep.bus_type; in dcmi_probe()
1915 return irq ? irq : -ENXIO; in dcmi_probe()
1917 dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); in dcmi_probe()
1918 if (!dcmi->res) { in dcmi_probe()
1919 dev_err(&pdev->dev, "Could not get resource\n"); in dcmi_probe()
1920 return -ENODEV; in dcmi_probe()
1923 dcmi->regs = devm_ioremap_resource(&pdev->dev, dcmi->res); in dcmi_probe()
1924 if (IS_ERR(dcmi->regs)) { in dcmi_probe()
1925 dev_err(&pdev->dev, "Could not map registers\n"); in dcmi_probe()
1926 return PTR_ERR(dcmi->regs); in dcmi_probe()
1929 ret = devm_request_threaded_irq(&pdev->dev, irq, dcmi_irq_callback, in dcmi_probe()
1931 dev_name(&pdev->dev), dcmi); in dcmi_probe()
1933 dev_err(&pdev->dev, "Unable to request irq %d\n", irq); in dcmi_probe()
1937 mclk = devm_clk_get(&pdev->dev, "mclk"); in dcmi_probe()
1939 if (PTR_ERR(mclk) != -EPROBE_DEFER) in dcmi_probe()
1940 dev_err(&pdev->dev, "Unable to get mclk\n"); in dcmi_probe()
1944 chan = dma_request_chan(&pdev->dev, "tx"); in dcmi_probe()
1947 if (ret != -EPROBE_DEFER) in dcmi_probe()
1948 dev_err(&pdev->dev, in dcmi_probe()
1953 spin_lock_init(&dcmi->irqlock); in dcmi_probe()
1954 mutex_init(&dcmi->lock); in dcmi_probe()
1955 mutex_init(&dcmi->dma_lock); in dcmi_probe()
1956 init_completion(&dcmi->complete); in dcmi_probe()
1957 INIT_LIST_HEAD(&dcmi->buffers); in dcmi_probe()
1959 dcmi->dev = &pdev->dev; in dcmi_probe()
1960 dcmi->mclk = mclk; in dcmi_probe()
1961 dcmi->state = STOPPED; in dcmi_probe()
1962 dcmi->dma_chan = chan; in dcmi_probe()
1964 q = &dcmi->queue; in dcmi_probe()
1966 dcmi->v4l2_dev.mdev = &dcmi->mdev; in dcmi_probe()
1969 strscpy(dcmi->mdev.model, DRV_NAME, sizeof(dcmi->mdev.model)); in dcmi_probe()
1970 snprintf(dcmi->mdev.bus_info, sizeof(dcmi->mdev.bus_info), in dcmi_probe()
1972 dcmi->mdev.dev = &pdev->dev; in dcmi_probe()
1973 media_device_init(&dcmi->mdev); in dcmi_probe()
1975 /* Initialize the top-level structure */ in dcmi_probe()
1976 ret = v4l2_device_register(&pdev->dev, &dcmi->v4l2_dev); in dcmi_probe()
1980 dcmi->vdev = video_device_alloc(); in dcmi_probe()
1981 if (!dcmi->vdev) { in dcmi_probe()
1982 ret = -ENOMEM; in dcmi_probe()
1987 dcmi->vdev->fops = &dcmi_fops; in dcmi_probe()
1988 dcmi->vdev->v4l2_dev = &dcmi->v4l2_dev; in dcmi_probe()
1989 dcmi->vdev->queue = &dcmi->queue; in dcmi_probe()
1990 strscpy(dcmi->vdev->name, KBUILD_MODNAME, sizeof(dcmi->vdev->name)); in dcmi_probe()
1991 dcmi->vdev->release = video_device_release; in dcmi_probe()
1992 dcmi->vdev->ioctl_ops = &dcmi_ioctl_ops; in dcmi_probe()
1993 dcmi->vdev->lock = &dcmi->lock; in dcmi_probe()
1994 dcmi->vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | in dcmi_probe()
1996 video_set_drvdata(dcmi->vdev, dcmi); in dcmi_probe()
1999 dcmi->vid_cap_pad.flags = MEDIA_PAD_FL_SINK; in dcmi_probe()
2000 ret = media_entity_pads_init(&dcmi->vdev->entity, in dcmi_probe()
2001 1, &dcmi->vid_cap_pad); in dcmi_probe()
2003 dev_err(dcmi->dev, "Failed to init media entity pad\n"); in dcmi_probe()
2006 dcmi->vdev->entity.flags |= MEDIA_ENT_FL_DEFAULT; in dcmi_probe()
2008 ret = video_register_device(dcmi->vdev, VFL_TYPE_VIDEO, -1); in dcmi_probe()
2010 dev_err(dcmi->dev, "Failed to register video device\n"); in dcmi_probe()
2014 dev_dbg(dcmi->dev, "Device registered as %s\n", in dcmi_probe()
2015 video_device_node_name(dcmi->vdev)); in dcmi_probe()
2018 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; in dcmi_probe()
2019 q->io_modes = VB2_MMAP | VB2_READ | VB2_DMABUF; in dcmi_probe()
2020 q->lock = &dcmi->lock; in dcmi_probe()
2021 q->drv_priv = dcmi; in dcmi_probe()
2022 q->buf_struct_size = sizeof(struct dcmi_buf); in dcmi_probe()
2023 q->ops = &dcmi_video_qops; in dcmi_probe()
2024 q->mem_ops = &vb2_dma_contig_memops; in dcmi_probe()
2025 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; in dcmi_probe()
2026 q->min_buffers_needed = 2; in dcmi_probe()
2027 q->dev = &pdev->dev; in dcmi_probe()
2031 dev_err(&pdev->dev, "Failed to initialize vb2 queue\n"); in dcmi_probe()
2040 ret = reset_control_assert(dcmi->rstc); in dcmi_probe()
2042 dev_err(&pdev->dev, "Failed to assert the reset line\n"); in dcmi_probe()
2048 ret = reset_control_deassert(dcmi->rstc); in dcmi_probe()
2050 dev_err(&pdev->dev, "Failed to deassert the reset line\n"); in dcmi_probe()
2054 dev_info(&pdev->dev, "Probe done\n"); in dcmi_probe()
2058 pm_runtime_enable(&pdev->dev); in dcmi_probe()
2063 v4l2_async_notifier_cleanup(&dcmi->notifier); in dcmi_probe()
2065 media_entity_cleanup(&dcmi->vdev->entity); in dcmi_probe()
2067 video_device_release(dcmi->vdev); in dcmi_probe()
2069 v4l2_device_unregister(&dcmi->v4l2_dev); in dcmi_probe()
2071 media_device_cleanup(&dcmi->mdev); in dcmi_probe()
2072 dma_release_channel(dcmi->dma_chan); in dcmi_probe()
2081 pm_runtime_disable(&pdev->dev); in dcmi_remove()
2083 v4l2_async_notifier_unregister(&dcmi->notifier); in dcmi_remove()
2084 v4l2_async_notifier_cleanup(&dcmi->notifier); in dcmi_remove()
2085 media_entity_cleanup(&dcmi->vdev->entity); in dcmi_remove()
2086 v4l2_device_unregister(&dcmi->v4l2_dev); in dcmi_remove()
2087 media_device_cleanup(&dcmi->mdev); in dcmi_remove()
2089 dma_release_channel(dcmi->dma_chan); in dcmi_remove()
2098 clk_disable_unprepare(dcmi->mclk); in dcmi_runtime_suspend()
2108 ret = clk_prepare_enable(dcmi->mclk); in dcmi_runtime_resume()