Lines Matching refs:dcmi
203 static int dcmi_start_capture(struct stm32_dcmi *dcmi, struct dcmi_buf *buf);
205 static void dcmi_buffer_done(struct stm32_dcmi *dcmi, in dcmi_buffer_done() argument
219 vbuf->sequence = dcmi->sequence++; in dcmi_buffer_done()
225 dev_dbg(dcmi->dev, "buffer[%d] done seq=%d, bytesused=%zu\n", in dcmi_buffer_done()
228 dcmi->buffers_count++; in dcmi_buffer_done()
229 dcmi->active = NULL; in dcmi_buffer_done()
232 static int dcmi_restart_capture(struct stm32_dcmi *dcmi) in dcmi_restart_capture() argument
236 spin_lock_irq(&dcmi->irqlock); in dcmi_restart_capture()
238 if (dcmi->state != RUNNING) { in dcmi_restart_capture()
239 spin_unlock_irq(&dcmi->irqlock); in dcmi_restart_capture()
244 if (list_empty(&dcmi->buffers)) { in dcmi_restart_capture()
245 dev_dbg(dcmi->dev, "Capture restart is deferred to next buffer queueing\n"); in dcmi_restart_capture()
246 dcmi->state = WAIT_FOR_BUFFER; in dcmi_restart_capture()
247 spin_unlock_irq(&dcmi->irqlock); in dcmi_restart_capture()
250 buf = list_entry(dcmi->buffers.next, struct dcmi_buf, list); in dcmi_restart_capture()
251 dcmi->active = buf; in dcmi_restart_capture()
253 spin_unlock_irq(&dcmi->irqlock); in dcmi_restart_capture()
255 return dcmi_start_capture(dcmi, buf); in dcmi_restart_capture()
260 struct stm32_dcmi *dcmi = (struct stm32_dcmi *)param; in dcmi_dma_callback() local
263 struct dcmi_buf *buf = dcmi->active; in dcmi_dma_callback()
265 spin_lock_irq(&dcmi->irqlock); in dcmi_dma_callback()
268 status = dmaengine_tx_status(dcmi->dma_chan, dcmi->dma_cookie, &state); in dcmi_dma_callback()
272 dev_dbg(dcmi->dev, "%s: Received DMA_IN_PROGRESS\n", __func__); in dcmi_dma_callback()
275 dev_err(dcmi->dev, "%s: Received DMA_PAUSED\n", __func__); in dcmi_dma_callback()
278 dev_err(dcmi->dev, "%s: Received DMA_ERROR\n", __func__); in dcmi_dma_callback()
281 dcmi_buffer_done(dcmi, buf, 0, -EIO); in dcmi_dma_callback()
284 dev_dbg(dcmi->dev, "%s: Received DMA_COMPLETE\n", __func__); in dcmi_dma_callback()
287 dcmi_buffer_done(dcmi, buf, buf->size, 0); in dcmi_dma_callback()
289 spin_unlock_irq(&dcmi->irqlock); in dcmi_dma_callback()
292 if (dcmi_restart_capture(dcmi)) in dcmi_dma_callback()
293 dev_err(dcmi->dev, "%s: Cannot restart capture on DMA complete\n", in dcmi_dma_callback()
297 dev_err(dcmi->dev, "%s: Received unknown status\n", __func__); in dcmi_dma_callback()
301 spin_unlock_irq(&dcmi->irqlock); in dcmi_dma_callback()
304 static int dcmi_start_dma(struct stm32_dcmi *dcmi, in dcmi_start_dma() argument
313 config.src_addr = (dma_addr_t)dcmi->res->start + DCMI_DR; in dcmi_start_dma()
319 ret = dmaengine_slave_config(dcmi->dma_chan, &config); in dcmi_start_dma()
321 dev_err(dcmi->dev, "%s: DMA channel config failed (%d)\n", in dcmi_start_dma()
331 mutex_lock(&dcmi->dma_lock); in dcmi_start_dma()
334 desc = dmaengine_prep_slave_single(dcmi->dma_chan, buf->paddr, in dcmi_start_dma()
339 dev_err(dcmi->dev, "%s: DMA dmaengine_prep_slave_single failed for buffer phy=%pad size=%zu\n", in dcmi_start_dma()
341 mutex_unlock(&dcmi->dma_lock); in dcmi_start_dma()
347 desc->callback_param = dcmi; in dcmi_start_dma()
350 dcmi->dma_cookie = dmaengine_submit(desc); in dcmi_start_dma()
351 if (dma_submit_error(dcmi->dma_cookie)) { in dcmi_start_dma()
352 dev_err(dcmi->dev, "%s: DMA submission failed\n", __func__); in dcmi_start_dma()
353 mutex_unlock(&dcmi->dma_lock); in dcmi_start_dma()
357 mutex_unlock(&dcmi->dma_lock); in dcmi_start_dma()
359 dma_async_issue_pending(dcmi->dma_chan); in dcmi_start_dma()
364 static int dcmi_start_capture(struct stm32_dcmi *dcmi, struct dcmi_buf *buf) in dcmi_start_capture() argument
371 ret = dcmi_start_dma(dcmi, buf); in dcmi_start_capture()
373 dcmi->errors_count++; in dcmi_start_capture()
378 reg_set(dcmi->regs, DCMI_CR, CR_CAPTURE); in dcmi_start_capture()
383 static void dcmi_set_crop(struct stm32_dcmi *dcmi) in dcmi_set_crop() argument
388 size = ((dcmi->crop.height - 1) << 16) | in dcmi_set_crop()
389 ((dcmi->crop.width << 1) - 1); in dcmi_set_crop()
390 reg_write(dcmi->regs, DCMI_CWSIZE, size); in dcmi_set_crop()
393 start = ((dcmi->crop.top) << 16) | in dcmi_set_crop()
394 ((dcmi->crop.left << 1)); in dcmi_set_crop()
395 reg_write(dcmi->regs, DCMI_CWSTRT, start); in dcmi_set_crop()
397 dev_dbg(dcmi->dev, "Cropping to %ux%u@%u:%u\n", in dcmi_set_crop()
398 dcmi->crop.width, dcmi->crop.height, in dcmi_set_crop()
399 dcmi->crop.left, dcmi->crop.top); in dcmi_set_crop()
402 reg_set(dcmi->regs, DCMI_CR, CR_CROP); in dcmi_set_crop()
405 static void dcmi_process_jpeg(struct stm32_dcmi *dcmi) in dcmi_process_jpeg() argument
409 struct dcmi_buf *buf = dcmi->active; in dcmi_process_jpeg()
425 dmaengine_synchronize(dcmi->dma_chan); in dcmi_process_jpeg()
428 status = dmaengine_tx_status(dcmi->dma_chan, dcmi->dma_cookie, &state); in dcmi_process_jpeg()
431 dcmi_buffer_done(dcmi, buf, buf->size - state.residue, 0); in dcmi_process_jpeg()
433 dcmi->errors_count++; in dcmi_process_jpeg()
434 dev_err(dcmi->dev, "%s: Cannot get JPEG size from DMA\n", in dcmi_process_jpeg()
437 dcmi_buffer_done(dcmi, buf, 0, -EIO); in dcmi_process_jpeg()
441 dmaengine_terminate_all(dcmi->dma_chan); in dcmi_process_jpeg()
444 if (dcmi_restart_capture(dcmi)) in dcmi_process_jpeg()
445 dev_err(dcmi->dev, "%s: Cannot restart capture on JPEG received\n", in dcmi_process_jpeg()
451 struct stm32_dcmi *dcmi = arg; in dcmi_irq_thread() local
453 spin_lock_irq(&dcmi->irqlock); in dcmi_irq_thread()
455 if (dcmi->misr & IT_OVR) { in dcmi_irq_thread()
456 dcmi->overrun_count++; in dcmi_irq_thread()
457 if (dcmi->overrun_count > OVERRUN_ERROR_THRESHOLD) in dcmi_irq_thread()
458 dcmi->errors_count++; in dcmi_irq_thread()
460 if (dcmi->misr & IT_ERR) in dcmi_irq_thread()
461 dcmi->errors_count++; in dcmi_irq_thread()
463 if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG && in dcmi_irq_thread()
464 dcmi->misr & IT_FRAME) { in dcmi_irq_thread()
466 spin_unlock_irq(&dcmi->irqlock); in dcmi_irq_thread()
467 dcmi_process_jpeg(dcmi); in dcmi_irq_thread()
471 spin_unlock_irq(&dcmi->irqlock); in dcmi_irq_thread()
477 struct stm32_dcmi *dcmi = arg; in dcmi_irq_callback() local
480 spin_lock_irqsave(&dcmi->irqlock, flags); in dcmi_irq_callback()
482 dcmi->misr = reg_read(dcmi->regs, DCMI_MIS); in dcmi_irq_callback()
485 reg_set(dcmi->regs, DCMI_ICR, IT_FRAME | IT_OVR | IT_ERR); in dcmi_irq_callback()
487 spin_unlock_irqrestore(&dcmi->irqlock, flags); in dcmi_irq_callback()
498 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vq); in dcmi_queue_setup() local
501 size = dcmi->fmt.fmt.pix.sizeimage; in dcmi_queue_setup()
510 dev_dbg(dcmi->dev, "Setup queue, count=%d, size=%d\n", in dcmi_queue_setup()
528 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vb->vb2_queue); in dcmi_buf_prepare() local
533 size = dcmi->fmt.fmt.pix.sizeimage; in dcmi_buf_prepare()
536 dev_err(dcmi->dev, "%s data will not fit into plane (%lu < %lu)\n", in dcmi_buf_prepare()
552 dev_dbg(dcmi->dev, "buffer[%d] phy=%pad size=%zu\n", in dcmi_buf_prepare()
561 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vb->vb2_queue); in dcmi_buf_queue() local
565 spin_lock_irq(&dcmi->irqlock); in dcmi_buf_queue()
568 list_add_tail(&buf->list, &dcmi->buffers); in dcmi_buf_queue()
570 if (dcmi->state == WAIT_FOR_BUFFER) { in dcmi_buf_queue()
571 dcmi->state = RUNNING; in dcmi_buf_queue()
572 dcmi->active = buf; in dcmi_buf_queue()
574 dev_dbg(dcmi->dev, "Starting capture on buffer[%d] queued\n", in dcmi_buf_queue()
577 spin_unlock_irq(&dcmi->irqlock); in dcmi_buf_queue()
578 if (dcmi_start_capture(dcmi, buf)) in dcmi_buf_queue()
579 dev_err(dcmi->dev, "%s: Cannot restart capture on overflow or error\n", in dcmi_buf_queue()
584 spin_unlock_irq(&dcmi->irqlock); in dcmi_buf_queue()
587 static struct media_entity *dcmi_find_source(struct stm32_dcmi *dcmi) in dcmi_find_source() argument
589 struct media_entity *entity = &dcmi->vdev->entity; in dcmi_find_source()
608 static int dcmi_pipeline_s_fmt(struct stm32_dcmi *dcmi, in dcmi_pipeline_s_fmt() argument
612 struct media_entity *entity = &dcmi->entity.source->entity; in dcmi_pipeline_s_fmt()
646 dev_dbg(dcmi->dev, "\"%s\":%d pad format set to 0x%x %ux%u\n", in dcmi_pipeline_s_fmt()
653 dev_err(dcmi->dev, "%s: Failed to set format 0x%x %ux%u on \"%s\":%d pad (%d)\n", in dcmi_pipeline_s_fmt()
663 dev_dbg(dcmi->dev, "\"%s\":%d pad format has been changed to 0x%x %ux%u\n", in dcmi_pipeline_s_fmt()
680 static int dcmi_pipeline_s_stream(struct stm32_dcmi *dcmi, int state) in dcmi_pipeline_s_stream() argument
682 struct media_entity *entity = &dcmi->vdev->entity; in dcmi_pipeline_s_stream()
702 dev_err(dcmi->dev, "%s: \"%s\" failed to %s streaming (%d)\n", in dcmi_pipeline_s_stream()
708 dev_dbg(dcmi->dev, "\"%s\" is %s\n", in dcmi_pipeline_s_stream()
715 static int dcmi_pipeline_start(struct stm32_dcmi *dcmi) in dcmi_pipeline_start() argument
717 return dcmi_pipeline_s_stream(dcmi, 1); in dcmi_pipeline_start()
720 static void dcmi_pipeline_stop(struct stm32_dcmi *dcmi) in dcmi_pipeline_stop() argument
722 dcmi_pipeline_s_stream(dcmi, 0); in dcmi_pipeline_stop()
727 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vq); in dcmi_start_streaming() local
732 ret = pm_runtime_get_sync(dcmi->dev); in dcmi_start_streaming()
734 dev_err(dcmi->dev, "%s: Failed to start streaming, cannot get sync (%d)\n", in dcmi_start_streaming()
739 ret = media_pipeline_start(&dcmi->vdev->entity, &dcmi->pipeline); in dcmi_start_streaming()
741 dev_err(dcmi->dev, "%s: Failed to start streaming, media pipeline start error (%d)\n", in dcmi_start_streaming()
746 ret = dcmi_pipeline_start(dcmi); in dcmi_start_streaming()
750 spin_lock_irq(&dcmi->irqlock); in dcmi_start_streaming()
753 switch (dcmi->bus.bus_width) { in dcmi_start_streaming()
769 if (dcmi->bus.flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) in dcmi_start_streaming()
773 if (dcmi->bus.flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) in dcmi_start_streaming()
777 if (dcmi->bus.flags & V4L2_MBUS_PCLK_SAMPLE_RISING) in dcmi_start_streaming()
780 reg_write(dcmi->regs, DCMI_CR, val); in dcmi_start_streaming()
783 if (dcmi->do_crop) in dcmi_start_streaming()
784 dcmi_set_crop(dcmi); in dcmi_start_streaming()
787 if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG) in dcmi_start_streaming()
788 reg_set(dcmi->regs, DCMI_CR, CR_CM);/* Snapshot mode */ in dcmi_start_streaming()
791 reg_set(dcmi->regs, DCMI_CR, CR_ENABLE); in dcmi_start_streaming()
793 dcmi->sequence = 0; in dcmi_start_streaming()
794 dcmi->errors_count = 0; in dcmi_start_streaming()
795 dcmi->overrun_count = 0; in dcmi_start_streaming()
796 dcmi->buffers_count = 0; in dcmi_start_streaming()
802 if (list_empty(&dcmi->buffers)) { in dcmi_start_streaming()
803 dev_dbg(dcmi->dev, "Start streaming is deferred to next buffer queueing\n"); in dcmi_start_streaming()
804 dcmi->state = WAIT_FOR_BUFFER; in dcmi_start_streaming()
805 spin_unlock_irq(&dcmi->irqlock); in dcmi_start_streaming()
809 buf = list_entry(dcmi->buffers.next, struct dcmi_buf, list); in dcmi_start_streaming()
810 dcmi->active = buf; in dcmi_start_streaming()
812 dcmi->state = RUNNING; in dcmi_start_streaming()
814 dev_dbg(dcmi->dev, "Start streaming, starting capture\n"); in dcmi_start_streaming()
816 spin_unlock_irq(&dcmi->irqlock); in dcmi_start_streaming()
817 ret = dcmi_start_capture(dcmi, buf); in dcmi_start_streaming()
819 dev_err(dcmi->dev, "%s: Start streaming failed, cannot start capture\n", in dcmi_start_streaming()
825 if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG) in dcmi_start_streaming()
826 reg_set(dcmi->regs, DCMI_IER, IT_FRAME | IT_OVR | IT_ERR); in dcmi_start_streaming()
828 reg_set(dcmi->regs, DCMI_IER, IT_OVR | IT_ERR); in dcmi_start_streaming()
833 dcmi_pipeline_stop(dcmi); in dcmi_start_streaming()
836 media_pipeline_stop(&dcmi->vdev->entity); in dcmi_start_streaming()
839 pm_runtime_put(dcmi->dev); in dcmi_start_streaming()
842 spin_lock_irq(&dcmi->irqlock); in dcmi_start_streaming()
847 list_for_each_entry_safe(buf, node, &dcmi->buffers, list) { in dcmi_start_streaming()
851 dcmi->active = NULL; in dcmi_start_streaming()
852 spin_unlock_irq(&dcmi->irqlock); in dcmi_start_streaming()
859 struct stm32_dcmi *dcmi = vb2_get_drv_priv(vq); in dcmi_stop_streaming() local
862 dcmi_pipeline_stop(dcmi); in dcmi_stop_streaming()
864 media_pipeline_stop(&dcmi->vdev->entity); in dcmi_stop_streaming()
866 spin_lock_irq(&dcmi->irqlock); in dcmi_stop_streaming()
869 reg_clear(dcmi->regs, DCMI_IER, IT_FRAME | IT_OVR | IT_ERR); in dcmi_stop_streaming()
872 reg_clear(dcmi->regs, DCMI_CR, CR_ENABLE); in dcmi_stop_streaming()
875 list_for_each_entry_safe(buf, node, &dcmi->buffers, list) { in dcmi_stop_streaming()
880 dcmi->active = NULL; in dcmi_stop_streaming()
881 dcmi->state = STOPPED; in dcmi_stop_streaming()
883 spin_unlock_irq(&dcmi->irqlock); in dcmi_stop_streaming()
886 mutex_lock(&dcmi->dma_lock); in dcmi_stop_streaming()
887 dmaengine_terminate_all(dcmi->dma_chan); in dcmi_stop_streaming()
888 mutex_unlock(&dcmi->dma_lock); in dcmi_stop_streaming()
890 pm_runtime_put(dcmi->dev); in dcmi_stop_streaming()
892 if (dcmi->errors_count) in dcmi_stop_streaming()
893 dev_warn(dcmi->dev, "Some errors found while streaming: errors=%d (overrun=%d), buffers=%d\n", in dcmi_stop_streaming()
894 dcmi->errors_count, dcmi->overrun_count, in dcmi_stop_streaming()
895 dcmi->buffers_count); in dcmi_stop_streaming()
896 dev_dbg(dcmi->dev, "Stop streaming, errors=%d (overrun=%d), buffers=%d\n", in dcmi_stop_streaming()
897 dcmi->errors_count, dcmi->overrun_count, in dcmi_stop_streaming()
898 dcmi->buffers_count); in dcmi_stop_streaming()
915 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_g_fmt_vid_cap() local
917 *fmt = dcmi->fmt; in dcmi_g_fmt_vid_cap()
922 static const struct dcmi_format *find_format_by_fourcc(struct stm32_dcmi *dcmi, in find_format_by_fourcc() argument
925 unsigned int num_formats = dcmi->num_of_sd_formats; in find_format_by_fourcc()
930 fmt = dcmi->sd_formats[i]; in find_format_by_fourcc()
938 static void __find_outer_frame_size(struct stm32_dcmi *dcmi, in __find_outer_frame_size() argument
946 for (i = 0; i < dcmi->num_of_sd_framesizes; i++) { in __find_outer_frame_size()
947 struct dcmi_framesize *fsize = &dcmi->sd_framesizes[i]; in __find_outer_frame_size()
958 match = &dcmi->sd_framesizes[0]; in __find_outer_frame_size()
963 static int dcmi_try_fmt(struct stm32_dcmi *dcmi, struct v4l2_format *f, in dcmi_try_fmt() argument
977 sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat); in dcmi_try_fmt()
979 if (!dcmi->num_of_sd_formats) in dcmi_try_fmt()
982 sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1]; in dcmi_try_fmt()
991 do_crop = dcmi->do_crop && (pix->pixelformat != V4L2_PIX_FMT_JPEG); in dcmi_try_fmt()
993 if (do_crop && dcmi->num_of_sd_framesizes) { in dcmi_try_fmt()
999 __find_outer_frame_size(dcmi, pix, &outer_sd_fsize); in dcmi_try_fmt()
1005 ret = v4l2_subdev_call(dcmi->entity.source, pad, set_fmt, in dcmi_try_fmt()
1018 struct v4l2_rect c = dcmi->crop; in dcmi_try_fmt()
1032 dcmi->crop = c; in dcmi_try_fmt()
1035 pix->width = dcmi->crop.width; in dcmi_try_fmt()
1036 pix->height = dcmi->crop.height; in dcmi_try_fmt()
1051 static int dcmi_set_fmt(struct stm32_dcmi *dcmi, struct v4l2_format *f) in dcmi_set_fmt() argument
1068 ret = dcmi_try_fmt(dcmi, f, &sd_format, &sd_framesize); in dcmi_set_fmt()
1074 dcmi->do_crop = false; in dcmi_set_fmt()
1082 ret = dcmi_pipeline_s_fmt(dcmi, NULL, &format); in dcmi_set_fmt()
1086 dev_dbg(dcmi->dev, "Sensor format set to 0x%x %ux%u\n", in dcmi_set_fmt()
1088 dev_dbg(dcmi->dev, "Buffer format set to %4.4s %ux%u\n", in dcmi_set_fmt()
1092 dcmi->fmt = *f; in dcmi_set_fmt()
1093 dcmi->sd_format = sd_format; in dcmi_set_fmt()
1094 dcmi->sd_framesize = sd_framesize; in dcmi_set_fmt()
1102 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_s_fmt_vid_cap() local
1104 if (vb2_is_streaming(&dcmi->queue)) in dcmi_s_fmt_vid_cap()
1107 return dcmi_set_fmt(dcmi, f); in dcmi_s_fmt_vid_cap()
1113 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_try_fmt_vid_cap() local
1115 return dcmi_try_fmt(dcmi, f, NULL, NULL); in dcmi_try_fmt_vid_cap()
1121 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_enum_fmt_vid_cap() local
1123 if (f->index >= dcmi->num_of_sd_formats) in dcmi_enum_fmt_vid_cap()
1126 f->pixelformat = dcmi->sd_formats[f->index]->fourcc; in dcmi_enum_fmt_vid_cap()
1130 static int dcmi_get_sensor_format(struct stm32_dcmi *dcmi, in dcmi_get_sensor_format() argument
1138 ret = v4l2_subdev_call(dcmi->entity.source, pad, get_fmt, NULL, &fmt); in dcmi_get_sensor_format()
1147 static int dcmi_set_sensor_format(struct stm32_dcmi *dcmi, in dcmi_set_sensor_format() argument
1157 sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat); in dcmi_set_sensor_format()
1159 if (!dcmi->num_of_sd_formats) in dcmi_set_sensor_format()
1162 sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1]; in dcmi_set_sensor_format()
1167 ret = v4l2_subdev_call(dcmi->entity.source, pad, set_fmt, in dcmi_set_sensor_format()
1175 static int dcmi_get_sensor_bounds(struct stm32_dcmi *dcmi, in dcmi_get_sensor_bounds() argument
1190 ret = v4l2_subdev_call(dcmi->entity.source, pad, get_selection, in dcmi_get_sensor_bounds()
1205 for (i = 0; i < dcmi->num_of_sd_framesizes; i++) { in dcmi_get_sensor_bounds()
1206 struct dcmi_framesize *fsize = &dcmi->sd_framesizes[i]; in dcmi_get_sensor_bounds()
1227 ret = dcmi_get_sensor_format(dcmi, &pix); in dcmi_get_sensor_bounds()
1242 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_g_selection() local
1250 s->r = dcmi->sd_bounds; in dcmi_g_selection()
1253 if (dcmi->do_crop) { in dcmi_g_selection()
1254 s->r = dcmi->crop; in dcmi_g_selection()
1258 s->r.width = dcmi->fmt.fmt.pix.width; in dcmi_g_selection()
1259 s->r.height = dcmi->fmt.fmt.pix.height; in dcmi_g_selection()
1272 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_s_selection() local
1282 pix.pixelformat = dcmi->fmt.fmt.pix.pixelformat; in dcmi_s_selection()
1283 pix.width = dcmi->sd_bounds.width; in dcmi_s_selection()
1284 pix.height = dcmi->sd_bounds.height; in dcmi_s_selection()
1285 dcmi_set_sensor_format(dcmi, &pix); in dcmi_s_selection()
1300 if (!(r.top == dcmi->sd_bounds.top && in dcmi_s_selection()
1301 r.left == dcmi->sd_bounds.left && in dcmi_s_selection()
1302 r.width == dcmi->sd_bounds.width && in dcmi_s_selection()
1303 r.height == dcmi->sd_bounds.height)) { in dcmi_s_selection()
1305 dcmi->do_crop = true; in dcmi_s_selection()
1306 dcmi->crop = r; in dcmi_s_selection()
1307 dev_dbg(dcmi->dev, "s_selection: crop %ux%u@(%u,%u) from %ux%u\n", in dcmi_s_selection()
1312 dcmi->do_crop = false; in dcmi_s_selection()
1313 dev_dbg(dcmi->dev, "s_selection: crop is disabled\n"); in dcmi_s_selection()
1357 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_enum_framesizes() local
1365 sd_fmt = find_format_by_fourcc(dcmi, fsize->pixel_format); in dcmi_enum_framesizes()
1371 ret = v4l2_subdev_call(dcmi->entity.source, pad, enum_frame_size, in dcmi_enum_framesizes()
1386 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_g_parm() local
1388 return v4l2_g_parm_cap(video_devdata(file), dcmi->entity.source, p); in dcmi_g_parm()
1394 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_s_parm() local
1396 return v4l2_s_parm_cap(video_devdata(file), dcmi->entity.source, p); in dcmi_s_parm()
1402 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_enum_frameintervals() local
1412 sd_fmt = find_format_by_fourcc(dcmi, fival->pixel_format); in dcmi_enum_frameintervals()
1418 ret = v4l2_subdev_call(dcmi->entity.source, pad, in dcmi_enum_frameintervals()
1437 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_open() local
1438 struct v4l2_subdev *sd = dcmi->entity.source; in dcmi_open()
1441 if (mutex_lock_interruptible(&dcmi->lock)) in dcmi_open()
1455 ret = dcmi_set_fmt(dcmi, &dcmi->fmt); in dcmi_open()
1462 mutex_unlock(&dcmi->lock); in dcmi_open()
1468 struct stm32_dcmi *dcmi = video_drvdata(file); in dcmi_release() local
1469 struct v4l2_subdev *sd = dcmi->entity.source; in dcmi_release()
1473 mutex_lock(&dcmi->lock); in dcmi_release()
1482 mutex_unlock(&dcmi->lock); in dcmi_release()
1535 static int dcmi_set_default_fmt(struct stm32_dcmi *dcmi) in dcmi_set_default_fmt() argument
1543 .pixelformat = dcmi->sd_formats[0]->fourcc, in dcmi_set_default_fmt()
1548 ret = dcmi_try_fmt(dcmi, &f, NULL, NULL); in dcmi_set_default_fmt()
1551 dcmi->sd_format = dcmi->sd_formats[0]; in dcmi_set_default_fmt()
1552 dcmi->fmt = f; in dcmi_set_default_fmt()
1582 static int dcmi_formats_init(struct stm32_dcmi *dcmi) in dcmi_formats_init() argument
1586 struct v4l2_subdev *subdev = dcmi->entity.source; in dcmi_formats_init()
1602 dev_dbg(dcmi->dev, "Skipping fourcc/code: %4.4s/0x%x\n", in dcmi_formats_init()
1610 dev_dbg(dcmi->dev, "Supported fourcc/code: %4.4s/0x%x\n", in dcmi_formats_init()
1621 dcmi->num_of_sd_formats = num_fmts; in dcmi_formats_init()
1622 dcmi->sd_formats = devm_kcalloc(dcmi->dev, in dcmi_formats_init()
1625 if (!dcmi->sd_formats) { in dcmi_formats_init()
1626 dev_err(dcmi->dev, "Could not allocate memory\n"); in dcmi_formats_init()
1630 memcpy(dcmi->sd_formats, sd_fmts, in dcmi_formats_init()
1632 dcmi->sd_format = dcmi->sd_formats[0]; in dcmi_formats_init()
1637 static int dcmi_framesizes_init(struct stm32_dcmi *dcmi) in dcmi_framesizes_init() argument
1640 struct v4l2_subdev *subdev = dcmi->entity.source; in dcmi_framesizes_init()
1643 .code = dcmi->sd_format->mbus_code, in dcmi_framesizes_init()
1657 dcmi->num_of_sd_framesizes = num_fsize; in dcmi_framesizes_init()
1658 dcmi->sd_framesizes = devm_kcalloc(dcmi->dev, num_fsize, in dcmi_framesizes_init()
1661 if (!dcmi->sd_framesizes) { in dcmi_framesizes_init()
1662 dev_err(dcmi->dev, "Could not allocate memory\n"); in dcmi_framesizes_init()
1667 dev_dbg(dcmi->dev, "Sensor supports %u frame sizes:\n", num_fsize); in dcmi_framesizes_init()
1668 for (i = 0; i < dcmi->num_of_sd_framesizes; i++) { in dcmi_framesizes_init()
1674 dcmi->sd_framesizes[fse.index].width = fse.max_width; in dcmi_framesizes_init()
1675 dcmi->sd_framesizes[fse.index].height = fse.max_height; in dcmi_framesizes_init()
1676 dev_dbg(dcmi->dev, "%ux%u\n", fse.max_width, fse.max_height); in dcmi_framesizes_init()
1684 struct stm32_dcmi *dcmi = notifier_to_dcmi(notifier); in dcmi_graph_notify_complete() local
1692 dcmi->entity.source = in dcmi_graph_notify_complete()
1693 media_entity_to_v4l2_subdev(dcmi_find_source(dcmi)); in dcmi_graph_notify_complete()
1694 if (!dcmi->entity.source) { in dcmi_graph_notify_complete()
1695 dev_err(dcmi->dev, "Source subdevice not found\n"); in dcmi_graph_notify_complete()
1699 dcmi->vdev->ctrl_handler = dcmi->entity.source->ctrl_handler; in dcmi_graph_notify_complete()
1701 ret = dcmi_formats_init(dcmi); in dcmi_graph_notify_complete()
1703 dev_err(dcmi->dev, "No supported mediabus format found\n"); in dcmi_graph_notify_complete()
1707 ret = dcmi_framesizes_init(dcmi); in dcmi_graph_notify_complete()
1709 dev_err(dcmi->dev, "Could not initialize framesizes\n"); in dcmi_graph_notify_complete()
1713 ret = dcmi_get_sensor_bounds(dcmi, &dcmi->sd_bounds); in dcmi_graph_notify_complete()
1715 dev_err(dcmi->dev, "Could not get sensor bounds\n"); in dcmi_graph_notify_complete()
1719 ret = dcmi_set_default_fmt(dcmi); in dcmi_graph_notify_complete()
1721 dev_err(dcmi->dev, "Could not set default format\n"); in dcmi_graph_notify_complete()
1732 struct stm32_dcmi *dcmi = notifier_to_dcmi(notifier); in dcmi_graph_notify_unbind() local
1734 dev_dbg(dcmi->dev, "Removing %s\n", video_device_node_name(dcmi->vdev)); in dcmi_graph_notify_unbind()
1737 video_unregister_device(dcmi->vdev); in dcmi_graph_notify_unbind()
1744 struct stm32_dcmi *dcmi = notifier_to_dcmi(notifier); in dcmi_graph_notify_bound() local
1748 dev_dbg(dcmi->dev, "Subdev \"%s\" bound\n", subdev->name); in dcmi_graph_notify_bound()
1759 &dcmi->vdev->entity, 0, in dcmi_graph_notify_bound()
1763 dev_err(dcmi->dev, "Failed to create media pad link with subdev \"%s\"\n", in dcmi_graph_notify_bound()
1766 dev_dbg(dcmi->dev, "DCMI is now linked to \"%s\"\n", in dcmi_graph_notify_bound()
1778 static int dcmi_graph_parse(struct stm32_dcmi *dcmi, struct device_node *node) in dcmi_graph_parse() argument
1793 dcmi->entity.remote_node = remote; in dcmi_graph_parse()
1794 dcmi->entity.asd.match_type = V4L2_ASYNC_MATCH_FWNODE; in dcmi_graph_parse()
1795 dcmi->entity.asd.match.fwnode = of_fwnode_handle(remote); in dcmi_graph_parse()
1799 static int dcmi_graph_init(struct stm32_dcmi *dcmi) in dcmi_graph_init() argument
1804 ret = dcmi_graph_parse(dcmi, dcmi->dev->of_node); in dcmi_graph_init()
1806 dev_err(dcmi->dev, "Failed to parse graph\n"); in dcmi_graph_init()
1810 v4l2_async_notifier_init(&dcmi->notifier); in dcmi_graph_init()
1812 ret = v4l2_async_notifier_add_subdev(&dcmi->notifier, in dcmi_graph_init()
1813 &dcmi->entity.asd); in dcmi_graph_init()
1815 dev_err(dcmi->dev, "Failed to add subdev notifier\n"); in dcmi_graph_init()
1816 of_node_put(dcmi->entity.remote_node); in dcmi_graph_init()
1820 dcmi->notifier.ops = &dcmi_graph_notify_ops; in dcmi_graph_init()
1822 ret = v4l2_async_notifier_register(&dcmi->v4l2_dev, &dcmi->notifier); in dcmi_graph_init()
1824 dev_err(dcmi->dev, "Failed to register notifier\n"); in dcmi_graph_init()
1825 v4l2_async_notifier_cleanup(&dcmi->notifier); in dcmi_graph_init()
1837 struct stm32_dcmi *dcmi; in dcmi_probe() local
1850 dcmi = devm_kzalloc(&pdev->dev, sizeof(struct stm32_dcmi), GFP_KERNEL); in dcmi_probe()
1851 if (!dcmi) in dcmi_probe()
1854 dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); in dcmi_probe()
1855 if (IS_ERR(dcmi->rstc)) { in dcmi_probe()
1857 return PTR_ERR(dcmi->rstc); in dcmi_probe()
1878 dcmi->bus.flags = ep.bus.parallel.flags; in dcmi_probe()
1879 dcmi->bus.bus_width = ep.bus.parallel.bus_width; in dcmi_probe()
1880 dcmi->bus.data_shift = ep.bus.parallel.data_shift; in dcmi_probe()
1886 dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); in dcmi_probe()
1887 if (!dcmi->res) { in dcmi_probe()
1892 dcmi->regs = devm_ioremap_resource(&pdev->dev, dcmi->res); in dcmi_probe()
1893 if (IS_ERR(dcmi->regs)) { in dcmi_probe()
1895 return PTR_ERR(dcmi->regs); in dcmi_probe()
1900 dev_name(&pdev->dev), dcmi); in dcmi_probe()
1919 spin_lock_init(&dcmi->irqlock); in dcmi_probe()
1920 mutex_init(&dcmi->lock); in dcmi_probe()
1921 mutex_init(&dcmi->dma_lock); in dcmi_probe()
1922 init_completion(&dcmi->complete); in dcmi_probe()
1923 INIT_LIST_HEAD(&dcmi->buffers); in dcmi_probe()
1925 dcmi->dev = &pdev->dev; in dcmi_probe()
1926 dcmi->mclk = mclk; in dcmi_probe()
1927 dcmi->state = STOPPED; in dcmi_probe()
1928 dcmi->dma_chan = chan; in dcmi_probe()
1930 q = &dcmi->queue; in dcmi_probe()
1932 dcmi->v4l2_dev.mdev = &dcmi->mdev; in dcmi_probe()
1935 strscpy(dcmi->mdev.model, DRV_NAME, sizeof(dcmi->mdev.model)); in dcmi_probe()
1936 snprintf(dcmi->mdev.bus_info, sizeof(dcmi->mdev.bus_info), in dcmi_probe()
1938 dcmi->mdev.dev = &pdev->dev; in dcmi_probe()
1939 media_device_init(&dcmi->mdev); in dcmi_probe()
1942 ret = v4l2_device_register(&pdev->dev, &dcmi->v4l2_dev); in dcmi_probe()
1946 dcmi->vdev = video_device_alloc(); in dcmi_probe()
1947 if (!dcmi->vdev) { in dcmi_probe()
1953 dcmi->vdev->fops = &dcmi_fops; in dcmi_probe()
1954 dcmi->vdev->v4l2_dev = &dcmi->v4l2_dev; in dcmi_probe()
1955 dcmi->vdev->queue = &dcmi->queue; in dcmi_probe()
1956 strscpy(dcmi->vdev->name, KBUILD_MODNAME, sizeof(dcmi->vdev->name)); in dcmi_probe()
1957 dcmi->vdev->release = video_device_release; in dcmi_probe()
1958 dcmi->vdev->ioctl_ops = &dcmi_ioctl_ops; in dcmi_probe()
1959 dcmi->vdev->lock = &dcmi->lock; in dcmi_probe()
1960 dcmi->vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | in dcmi_probe()
1962 video_set_drvdata(dcmi->vdev, dcmi); in dcmi_probe()
1965 dcmi->vid_cap_pad.flags = MEDIA_PAD_FL_SINK; in dcmi_probe()
1966 ret = media_entity_pads_init(&dcmi->vdev->entity, in dcmi_probe()
1967 1, &dcmi->vid_cap_pad); in dcmi_probe()
1969 dev_err(dcmi->dev, "Failed to init media entity pad\n"); in dcmi_probe()
1972 dcmi->vdev->entity.flags |= MEDIA_ENT_FL_DEFAULT; in dcmi_probe()
1974 ret = video_register_device(dcmi->vdev, VFL_TYPE_GRABBER, -1); in dcmi_probe()
1976 dev_err(dcmi->dev, "Failed to register video device\n"); in dcmi_probe()
1980 dev_dbg(dcmi->dev, "Device registered as %s\n", in dcmi_probe()
1981 video_device_node_name(dcmi->vdev)); in dcmi_probe()
1986 q->lock = &dcmi->lock; in dcmi_probe()
1987 q->drv_priv = dcmi; in dcmi_probe()
2001 ret = dcmi_graph_init(dcmi); in dcmi_probe()
2006 ret = reset_control_assert(dcmi->rstc); in dcmi_probe()
2014 ret = reset_control_deassert(dcmi->rstc); in dcmi_probe()
2022 platform_set_drvdata(pdev, dcmi); in dcmi_probe()
2029 v4l2_async_notifier_cleanup(&dcmi->notifier); in dcmi_probe()
2031 media_entity_cleanup(&dcmi->vdev->entity); in dcmi_probe()
2033 video_device_release(dcmi->vdev); in dcmi_probe()
2035 v4l2_device_unregister(&dcmi->v4l2_dev); in dcmi_probe()
2037 media_device_cleanup(&dcmi->mdev); in dcmi_probe()
2038 dma_release_channel(dcmi->dma_chan); in dcmi_probe()
2045 struct stm32_dcmi *dcmi = platform_get_drvdata(pdev); in dcmi_remove() local
2049 v4l2_async_notifier_unregister(&dcmi->notifier); in dcmi_remove()
2050 v4l2_async_notifier_cleanup(&dcmi->notifier); in dcmi_remove()
2051 media_entity_cleanup(&dcmi->vdev->entity); in dcmi_remove()
2052 v4l2_device_unregister(&dcmi->v4l2_dev); in dcmi_remove()
2053 media_device_cleanup(&dcmi->mdev); in dcmi_remove()
2055 dma_release_channel(dcmi->dma_chan); in dcmi_remove()
2062 struct stm32_dcmi *dcmi = dev_get_drvdata(dev); in dcmi_runtime_suspend() local
2064 clk_disable_unprepare(dcmi->mclk); in dcmi_runtime_suspend()
2071 struct stm32_dcmi *dcmi = dev_get_drvdata(dev); in dcmi_runtime_resume() local
2074 ret = clk_prepare_enable(dcmi->mclk); in dcmi_runtime_resume()