Lines Matching full:isi
35 #include "atmel-isi.h"
77 * struct isi_format - ISI media bus format information
109 /* ISI peripheral clock */
135 static void isi_writel(struct atmel_isi *isi, u32 reg, u32 val) in isi_writel() argument
137 writel(val, isi->regs + reg); in isi_writel()
139 static u32 isi_readl(struct atmel_isi *isi, u32 reg) in isi_readl() argument
141 return readl(isi->regs + reg); in isi_readl()
144 static void configure_geometry(struct atmel_isi *isi) in configure_geometry() argument
147 u32 fourcc = isi->current_fmt->fourcc; in configure_geometry()
149 isi->enable_preview_path = fourcc == V4L2_PIX_FMT_RGB565 || in configure_geometry()
154 cfg2 = isi->current_fmt->swap; in configure_geometry()
156 isi_writel(isi, ISI_CTRL, ISI_CTRL_DIS); in configure_geometry()
158 cfg2 |= ((isi->fmt.fmt.pix.width - 1) << ISI_CFG2_IM_HSIZE_OFFSET) & in configure_geometry()
161 cfg2 |= ((isi->fmt.fmt.pix.height - 1) << ISI_CFG2_IM_VSIZE_OFFSET) in configure_geometry()
163 isi_writel(isi, ISI_CFG2, cfg2); in configure_geometry()
166 psize = ((isi->fmt.fmt.pix.width - 1) << ISI_PSIZE_PREV_HSIZE_OFFSET) & in configure_geometry()
168 psize |= ((isi->fmt.fmt.pix.height - 1) << ISI_PSIZE_PREV_VSIZE_OFFSET) & in configure_geometry()
170 isi_writel(isi, ISI_PSIZE, psize); in configure_geometry()
171 isi_writel(isi, ISI_PDECF, ISI_PDECF_NO_SAMPLING); in configure_geometry()
174 static irqreturn_t atmel_isi_handle_streaming(struct atmel_isi *isi) in atmel_isi_handle_streaming() argument
176 if (isi->active) { in atmel_isi_handle_streaming()
177 struct vb2_v4l2_buffer *vbuf = &isi->active->vb; in atmel_isi_handle_streaming()
178 struct frame_buffer *buf = isi->active; in atmel_isi_handle_streaming()
182 vbuf->sequence = isi->sequence++; in atmel_isi_handle_streaming()
187 if (list_empty(&isi->video_buffer_list)) { in atmel_isi_handle_streaming()
188 isi->active = NULL; in atmel_isi_handle_streaming()
191 isi->active = list_entry(isi->video_buffer_list.next, in atmel_isi_handle_streaming()
193 if (!isi->enable_preview_path) { in atmel_isi_handle_streaming()
194 isi_writel(isi, ISI_DMA_C_DSCR, in atmel_isi_handle_streaming()
195 (u32)isi->active->p_dma_desc->fbd_phys); in atmel_isi_handle_streaming()
196 isi_writel(isi, ISI_DMA_C_CTRL, in atmel_isi_handle_streaming()
198 isi_writel(isi, ISI_DMA_CHER, ISI_DMA_CHSR_C_CH); in atmel_isi_handle_streaming()
200 isi_writel(isi, ISI_DMA_P_DSCR, in atmel_isi_handle_streaming()
201 (u32)isi->active->p_dma_desc->fbd_phys); in atmel_isi_handle_streaming()
202 isi_writel(isi, ISI_DMA_P_CTRL, in atmel_isi_handle_streaming()
204 isi_writel(isi, ISI_DMA_CHER, ISI_DMA_CHSR_P_CH); in atmel_isi_handle_streaming()
210 /* ISI interrupt service routine */
213 struct atmel_isi *isi = dev_id; in isi_interrupt() local
217 spin_lock(&isi->irqlock); in isi_interrupt()
219 status = isi_readl(isi, ISI_STATUS); in isi_interrupt()
220 mask = isi_readl(isi, ISI_INTMASK); in isi_interrupt()
224 complete(&isi->complete); in isi_interrupt()
225 isi_writel(isi, ISI_INTDIS, ISI_CTRL_SRST); in isi_interrupt()
228 complete(&isi->complete); in isi_interrupt()
229 isi_writel(isi, ISI_INTDIS, ISI_CTRL_DIS); in isi_interrupt()
234 ret = atmel_isi_handle_streaming(isi); in isi_interrupt()
237 spin_unlock(&isi->irqlock); in isi_interrupt()
243 static int atmel_isi_wait_status(struct atmel_isi *isi, int wait_reset) in atmel_isi_wait_status() argument
250 init_completion(&isi->complete); in atmel_isi_wait_status()
253 isi_writel(isi, ISI_INTEN, ISI_CTRL_SRST); in atmel_isi_wait_status()
254 isi_writel(isi, ISI_CTRL, ISI_CTRL_SRST); in atmel_isi_wait_status()
256 isi_writel(isi, ISI_INTEN, ISI_CTRL_DIS); in atmel_isi_wait_status()
257 isi_writel(isi, ISI_CTRL, ISI_CTRL_DIS); in atmel_isi_wait_status()
260 timeout = wait_for_completion_timeout(&isi->complete, in atmel_isi_wait_status()
275 struct atmel_isi *isi = vb2_get_drv_priv(vq); in queue_setup() local
278 size = isi->fmt.fmt.pix.sizeimage; in queue_setup()
287 isi->active = NULL; in queue_setup()
289 dev_dbg(isi->dev, "%s, count=%d, size=%ld\n", __func__, in queue_setup()
310 struct atmel_isi *isi = vb2_get_drv_priv(vb->vb2_queue); in buffer_prepare() local
314 size = isi->fmt.fmt.pix.sizeimage; in buffer_prepare()
317 dev_err(isi->dev, "%s data will not fit into plane (%lu < %lu)\n", in buffer_prepare()
325 if (list_empty(&isi->dma_desc_head)) { in buffer_prepare()
326 dev_err(isi->dev, "Not enough dma descriptors.\n"); in buffer_prepare()
330 desc = list_entry(isi->dma_desc_head.next, in buffer_prepare()
350 struct atmel_isi *isi = vb2_get_drv_priv(vb->vb2_queue); in buffer_cleanup() local
355 list_add(&buf->p_dma_desc->list, &isi->dma_desc_head); in buffer_cleanup()
358 static void start_dma(struct atmel_isi *isi, struct frame_buffer *buffer) in start_dma() argument
362 cfg1 = isi_readl(isi, ISI_CFG1); in start_dma()
364 isi_writel(isi, ISI_INTEN, in start_dma()
368 if (!isi->enable_preview_path) { in start_dma()
369 if (isi_readl(isi, ISI_STATUS) & ISI_CTRL_CDC) { in start_dma()
370 dev_err(isi->dev, "Already in frame handling.\n"); in start_dma()
374 isi_writel(isi, ISI_DMA_C_DSCR, in start_dma()
376 isi_writel(isi, ISI_DMA_C_CTRL, in start_dma()
378 isi_writel(isi, ISI_DMA_CHER, ISI_DMA_CHSR_C_CH); in start_dma()
380 isi_writel(isi, ISI_DMA_P_DSCR, in start_dma()
382 isi_writel(isi, ISI_DMA_P_CTRL, in start_dma()
384 isi_writel(isi, ISI_DMA_CHER, ISI_DMA_CHSR_P_CH); in start_dma()
389 cfg1 |= isi->pdata.frate | ISI_CFG1_DISCR; in start_dma()
391 /* Enable ISI */ in start_dma()
394 if (!isi->enable_preview_path) in start_dma()
397 isi_writel(isi, ISI_CTRL, ctrl); in start_dma()
398 isi_writel(isi, ISI_CFG1, cfg1); in start_dma()
404 struct atmel_isi *isi = vb2_get_drv_priv(vb->vb2_queue); in buffer_queue() local
408 spin_lock_irqsave(&isi->irqlock, flags); in buffer_queue()
409 list_add_tail(&buf->list, &isi->video_buffer_list); in buffer_queue()
411 if (!isi->active) { in buffer_queue()
412 isi->active = buf; in buffer_queue()
414 start_dma(isi, buf); in buffer_queue()
416 spin_unlock_irqrestore(&isi->irqlock, flags); in buffer_queue()
421 struct atmel_isi *isi = vb2_get_drv_priv(vq); in start_streaming() local
425 ret = pm_runtime_resume_and_get(isi->dev); in start_streaming()
430 ret = v4l2_subdev_call(isi->entity.subdev, video, s_stream, 1); in start_streaming()
432 dev_err(isi->dev, "stream on failed in subdev\n"); in start_streaming()
436 /* Reset ISI */ in start_streaming()
437 ret = atmel_isi_wait_status(isi, WAIT_ISI_RESET); in start_streaming()
439 dev_err(isi->dev, "Reset ISI timed out\n"); in start_streaming()
443 isi_writel(isi, ISI_INTDIS, (u32)~0UL); in start_streaming()
445 isi->sequence = 0; in start_streaming()
446 configure_geometry(isi); in start_streaming()
448 spin_lock_irq(&isi->irqlock); in start_streaming()
450 isi_readl(isi, ISI_STATUS); in start_streaming()
452 start_dma(isi, isi->active); in start_streaming()
453 spin_unlock_irq(&isi->irqlock); in start_streaming()
458 v4l2_subdev_call(isi->entity.subdev, video, s_stream, 0); in start_streaming()
461 pm_runtime_put(isi->dev); in start_streaming()
463 spin_lock_irq(&isi->irqlock); in start_streaming()
464 isi->active = NULL; in start_streaming()
466 list_for_each_entry_safe(buf, node, &isi->video_buffer_list, list) { in start_streaming()
470 spin_unlock_irq(&isi->irqlock); in start_streaming()
478 struct atmel_isi *isi = vb2_get_drv_priv(vq); in stop_streaming() local
484 ret = v4l2_subdev_call(isi->entity.subdev, video, s_stream, 0); in stop_streaming()
486 dev_err(isi->dev, "stream off failed in subdev\n"); in stop_streaming()
488 spin_lock_irq(&isi->irqlock); in stop_streaming()
489 isi->active = NULL; in stop_streaming()
491 list_for_each_entry_safe(buf, node, &isi->video_buffer_list, list) { in stop_streaming()
495 spin_unlock_irq(&isi->irqlock); in stop_streaming()
497 if (!isi->enable_preview_path) { in stop_streaming()
500 while ((isi_readl(isi, ISI_STATUS) & ISI_CTRL_CDC) && in stop_streaming()
505 dev_err(isi->dev, in stop_streaming()
510 isi_writel(isi, ISI_INTDIS, in stop_streaming()
513 /* Disable ISI and wait for it is done */ in stop_streaming()
514 ret = atmel_isi_wait_status(isi, WAIT_ISI_DISABLE); in stop_streaming()
516 dev_err(isi->dev, "Disable ISI timed out\n"); in stop_streaming()
518 pm_runtime_put(isi->dev); in stop_streaming()
536 struct atmel_isi *isi = video_drvdata(file); in isi_g_fmt_vid_cap() local
538 *fmt = isi->fmt; in isi_g_fmt_vid_cap()
543 static const struct isi_format *find_format_by_fourcc(struct atmel_isi *isi, in find_format_by_fourcc() argument
546 unsigned int num_formats = isi->num_user_formats; in find_format_by_fourcc()
551 fmt = isi->user_formats[i]; in find_format_by_fourcc()
559 static void isi_try_fse(struct atmel_isi *isi, const struct isi_format *isi_fmt, in isi_try_fse() argument
568 ret = v4l2_subdev_call(isi->entity.subdev, pad, enum_frame_size, in isi_try_fse()
572 * just use the maximum ISI can receive. in isi_try_fse()
583 static int isi_try_fmt(struct atmel_isi *isi, struct v4l2_format *f, in isi_try_fmt() argument
597 isi_fmt = find_format_by_fourcc(isi, pixfmt->pixelformat); in isi_try_fmt()
599 isi_fmt = isi->user_formats[isi->num_user_formats - 1]; in isi_try_fmt()
603 /* Limit to Atmel ISI hardware capabilities */ in isi_try_fmt()
609 isi_try_fse(isi, isi_fmt, &pad_state); in isi_try_fmt()
611 ret = v4l2_subdev_call(isi->entity.subdev, pad, set_fmt, in isi_try_fmt()
628 static int isi_set_fmt(struct atmel_isi *isi, struct v4l2_format *f) in isi_set_fmt() argument
636 ret = isi_try_fmt(isi, f, ¤t_fmt); in isi_set_fmt()
642 ret = v4l2_subdev_call(isi->entity.subdev, pad, in isi_set_fmt()
647 isi->fmt = *f; in isi_set_fmt()
648 isi->current_fmt = current_fmt; in isi_set_fmt()
656 struct atmel_isi *isi = video_drvdata(file); in isi_s_fmt_vid_cap() local
658 if (vb2_is_streaming(&isi->queue)) in isi_s_fmt_vid_cap()
661 return isi_set_fmt(isi, f); in isi_s_fmt_vid_cap()
667 struct atmel_isi *isi = video_drvdata(file); in isi_try_fmt_vid_cap() local
669 return isi_try_fmt(isi, f, NULL); in isi_try_fmt_vid_cap()
675 struct atmel_isi *isi = video_drvdata(file); in isi_enum_fmt_vid_cap() local
677 if (f->index >= isi->num_user_formats) in isi_enum_fmt_vid_cap()
680 f->pixelformat = isi->user_formats[f->index]->fourcc; in isi_enum_fmt_vid_cap()
687 strscpy(cap->driver, "atmel-isi", sizeof(cap->driver)); in isi_querycap()
689 strscpy(cap->bus_info, "platform:isi", sizeof(cap->bus_info)); in isi_querycap()
719 struct atmel_isi *isi = video_drvdata(file); in isi_g_parm() local
721 return v4l2_g_parm_cap(video_devdata(file), isi->entity.subdev, a); in isi_g_parm()
726 struct atmel_isi *isi = video_drvdata(file); in isi_s_parm() local
728 return v4l2_s_parm_cap(video_devdata(file), isi->entity.subdev, a); in isi_s_parm()
734 struct atmel_isi *isi = video_drvdata(file); in isi_enum_framesizes() local
742 isi_fmt = find_format_by_fourcc(isi, fsize->pixel_format); in isi_enum_framesizes()
748 ret = v4l2_subdev_call(isi->entity.subdev, pad, enum_frame_size, in isi_enum_framesizes()
763 struct atmel_isi *isi = video_drvdata(file); in isi_enum_frameintervals() local
773 isi_fmt = find_format_by_fourcc(isi, fival->pixel_format); in isi_enum_frameintervals()
779 ret = v4l2_subdev_call(isi->entity.subdev, pad, in isi_enum_frameintervals()
790 static int isi_camera_set_bus_param(struct atmel_isi *isi) in isi_camera_set_bus_param() argument
795 /* set bus param for ISI */ in isi_camera_set_bus_param()
796 if (isi->pdata.hsync_act_low) in isi_camera_set_bus_param()
798 if (isi->pdata.vsync_act_low) in isi_camera_set_bus_param()
800 if (isi->pdata.pclk_act_falling) in isi_camera_set_bus_param()
802 if (isi->pdata.has_emb_sync) in isi_camera_set_bus_param()
804 if (isi->pdata.full_mode) in isi_camera_set_bus_param()
809 /* Enable PM and peripheral clock before operate isi registers */ in isi_camera_set_bus_param()
810 ret = pm_runtime_resume_and_get(isi->dev); in isi_camera_set_bus_param()
814 isi_writel(isi, ISI_CTRL, ISI_CTRL_DIS); in isi_camera_set_bus_param()
815 isi_writel(isi, ISI_CFG1, cfg1); in isi_camera_set_bus_param()
817 pm_runtime_put(isi->dev); in isi_camera_set_bus_param()
823 static int atmel_isi_parse_dt(struct atmel_isi *isi, in atmel_isi_parse_dt() argument
830 /* Default settings for ISI */ in atmel_isi_parse_dt()
831 isi->pdata.full_mode = 1; in atmel_isi_parse_dt()
832 isi->pdata.frate = ISI_CFG1_FRATE_CAPTURE_ALL; in atmel_isi_parse_dt()
849 isi->pdata.data_width_flags = ISI_DATAWIDTH_8; in atmel_isi_parse_dt()
852 isi->pdata.data_width_flags = in atmel_isi_parse_dt()
862 isi->pdata.hsync_act_low = true; in atmel_isi_parse_dt()
864 isi->pdata.vsync_act_low = true; in atmel_isi_parse_dt()
866 isi->pdata.pclk_act_falling = true; in atmel_isi_parse_dt()
869 isi->pdata.has_emb_sync = true; in atmel_isi_parse_dt()
876 struct atmel_isi *isi = video_drvdata(file); in isi_open() local
877 struct v4l2_subdev *sd = isi->entity.subdev; in isi_open()
880 if (mutex_lock_interruptible(&isi->lock)) in isi_open()
894 ret = isi_set_fmt(isi, &isi->fmt); in isi_open()
901 mutex_unlock(&isi->lock); in isi_open()
907 struct atmel_isi *isi = video_drvdata(file); in isi_release() local
908 struct v4l2_subdev *sd = isi->entity.subdev; in isi_release()
912 mutex_lock(&isi->lock); in isi_release()
921 mutex_unlock(&isi->lock); in isi_release()
968 static int isi_set_default_fmt(struct atmel_isi *isi) in isi_set_default_fmt() argument
976 .pixelformat = isi->user_formats[0]->fourcc, in isi_set_default_fmt()
981 ret = isi_try_fmt(isi, &f, NULL); in isi_set_default_fmt()
984 isi->current_fmt = isi->user_formats[0]; in isi_set_default_fmt()
985 isi->fmt = f; in isi_set_default_fmt()
1043 static int isi_formats_init(struct atmel_isi *isi) in isi_formats_init() argument
1047 struct v4l2_subdev *subdev = isi->entity.subdev; in isi_formats_init()
1073 isi->num_user_formats = num_fmts; in isi_formats_init()
1074 isi->user_formats = devm_kcalloc(isi->dev, in isi_formats_init()
1077 if (!isi->user_formats) in isi_formats_init()
1080 memcpy(isi->user_formats, isi_fmts, in isi_formats_init()
1082 isi->current_fmt = isi->user_formats[0]; in isi_formats_init()
1089 struct atmel_isi *isi = notifier_to_isi(notifier); in isi_graph_notify_complete() local
1092 isi->vdev->ctrl_handler = isi->entity.subdev->ctrl_handler; in isi_graph_notify_complete()
1093 ret = isi_formats_init(isi); in isi_graph_notify_complete()
1095 dev_err(isi->dev, "No supported mediabus format found\n"); in isi_graph_notify_complete()
1098 ret = isi_camera_set_bus_param(isi); in isi_graph_notify_complete()
1100 dev_err(isi->dev, "Can't wake up device\n"); in isi_graph_notify_complete()
1104 ret = isi_set_default_fmt(isi); in isi_graph_notify_complete()
1106 dev_err(isi->dev, "Could not set default format\n"); in isi_graph_notify_complete()
1110 ret = video_register_device(isi->vdev, VFL_TYPE_VIDEO, -1); in isi_graph_notify_complete()
1112 dev_err(isi->dev, "Failed to register video device\n"); in isi_graph_notify_complete()
1116 dev_dbg(isi->dev, "Device registered as %s\n", in isi_graph_notify_complete()
1117 video_device_node_name(isi->vdev)); in isi_graph_notify_complete()
1125 struct atmel_isi *isi = notifier_to_isi(notifier); in isi_graph_notify_unbind() local
1127 dev_dbg(isi->dev, "Removing %s\n", video_device_node_name(isi->vdev)); in isi_graph_notify_unbind()
1130 video_unregister_device(isi->vdev); in isi_graph_notify_unbind()
1137 struct atmel_isi *isi = notifier_to_isi(notifier); in isi_graph_notify_bound() local
1139 dev_dbg(isi->dev, "subdev %s bound\n", subdev->name); in isi_graph_notify_bound()
1141 isi->entity.subdev = subdev; in isi_graph_notify_bound()
1152 static int isi_graph_init(struct atmel_isi *isi) in isi_graph_init() argument
1158 ep = of_graph_get_next_endpoint(isi->dev->of_node, NULL); in isi_graph_init()
1162 v4l2_async_nf_init(&isi->notifier, &isi->v4l2_dev); in isi_graph_init()
1164 asd = v4l2_async_nf_add_fwnode_remote(&isi->notifier, in isi_graph_init()
1172 isi->notifier.ops = &isi_graph_notify_ops; in isi_graph_init()
1174 ret = v4l2_async_nf_register(&isi->notifier); in isi_graph_init()
1176 dev_err(isi->dev, "Notifier registration failed\n"); in isi_graph_init()
1177 v4l2_async_nf_cleanup(&isi->notifier); in isi_graph_init()
1188 struct atmel_isi *isi; in atmel_isi_probe() local
1192 isi = devm_kzalloc(&pdev->dev, sizeof(struct atmel_isi), GFP_KERNEL); in atmel_isi_probe()
1193 if (!isi) in atmel_isi_probe()
1196 isi->pclk = devm_clk_get(&pdev->dev, "isi_clk"); in atmel_isi_probe()
1197 if (IS_ERR(isi->pclk)) in atmel_isi_probe()
1198 return PTR_ERR(isi->pclk); in atmel_isi_probe()
1200 ret = atmel_isi_parse_dt(isi, pdev); in atmel_isi_probe()
1204 isi->active = NULL; in atmel_isi_probe()
1205 isi->dev = &pdev->dev; in atmel_isi_probe()
1206 mutex_init(&isi->lock); in atmel_isi_probe()
1207 spin_lock_init(&isi->irqlock); in atmel_isi_probe()
1208 INIT_LIST_HEAD(&isi->video_buffer_list); in atmel_isi_probe()
1209 INIT_LIST_HEAD(&isi->dma_desc_head); in atmel_isi_probe()
1211 q = &isi->queue; in atmel_isi_probe()
1214 ret = v4l2_device_register(&pdev->dev, &isi->v4l2_dev); in atmel_isi_probe()
1218 isi->vdev = video_device_alloc(); in atmel_isi_probe()
1219 if (!isi->vdev) { in atmel_isi_probe()
1225 isi->vdev->fops = &isi_fops; in atmel_isi_probe()
1226 isi->vdev->v4l2_dev = &isi->v4l2_dev; in atmel_isi_probe()
1227 isi->vdev->queue = &isi->queue; in atmel_isi_probe()
1228 strscpy(isi->vdev->name, KBUILD_MODNAME, sizeof(isi->vdev->name)); in atmel_isi_probe()
1229 isi->vdev->release = video_device_release; in atmel_isi_probe()
1230 isi->vdev->ioctl_ops = &isi_ioctl_ops; in atmel_isi_probe()
1231 isi->vdev->lock = &isi->lock; in atmel_isi_probe()
1232 isi->vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | in atmel_isi_probe()
1234 video_set_drvdata(isi->vdev, isi); in atmel_isi_probe()
1239 q->lock = &isi->lock; in atmel_isi_probe()
1240 q->drv_priv = isi; in atmel_isi_probe()
1253 isi->p_fb_descriptors = dma_alloc_coherent(&pdev->dev, in atmel_isi_probe()
1255 &isi->fb_descriptors_phys, in atmel_isi_probe()
1257 if (!isi->p_fb_descriptors) { in atmel_isi_probe()
1264 isi->dma_desc[i].p_fbd = isi->p_fb_descriptors + i; in atmel_isi_probe()
1265 isi->dma_desc[i].fbd_phys = isi->fb_descriptors_phys + in atmel_isi_probe()
1267 list_add(&isi->dma_desc[i].list, &isi->dma_desc_head); in atmel_isi_probe()
1270 isi->regs = devm_platform_ioremap_resource(pdev, 0); in atmel_isi_probe()
1271 if (IS_ERR(isi->regs)) { in atmel_isi_probe()
1272 ret = PTR_ERR(isi->regs); in atmel_isi_probe()
1276 if (isi->pdata.data_width_flags & ISI_DATAWIDTH_8) in atmel_isi_probe()
1277 isi->width_flags = 1 << 7; in atmel_isi_probe()
1278 if (isi->pdata.data_width_flags & ISI_DATAWIDTH_10) in atmel_isi_probe()
1279 isi->width_flags |= 1 << 9; in atmel_isi_probe()
1287 ret = devm_request_irq(&pdev->dev, irq, isi_interrupt, 0, "isi", isi); in atmel_isi_probe()
1292 isi->irq = irq; in atmel_isi_probe()
1294 ret = isi_graph_init(isi); in atmel_isi_probe()
1300 platform_set_drvdata(pdev, isi); in atmel_isi_probe()
1307 isi->p_fb_descriptors, in atmel_isi_probe()
1308 isi->fb_descriptors_phys); in atmel_isi_probe()
1311 video_device_release(isi->vdev); in atmel_isi_probe()
1313 v4l2_device_unregister(&isi->v4l2_dev); in atmel_isi_probe()
1320 struct atmel_isi *isi = platform_get_drvdata(pdev); in atmel_isi_remove() local
1324 isi->p_fb_descriptors, in atmel_isi_remove()
1325 isi->fb_descriptors_phys); in atmel_isi_remove()
1327 v4l2_async_nf_unregister(&isi->notifier); in atmel_isi_remove()
1328 v4l2_async_nf_cleanup(&isi->notifier); in atmel_isi_remove()
1329 v4l2_device_unregister(&isi->v4l2_dev); in atmel_isi_remove()
1335 struct atmel_isi *isi = dev_get_drvdata(dev); in atmel_isi_runtime_suspend() local
1337 clk_disable_unprepare(isi->pclk); in atmel_isi_runtime_suspend()
1343 struct atmel_isi *isi = dev_get_drvdata(dev); in atmel_isi_runtime_resume() local
1345 return clk_prepare_enable(isi->pclk); in atmel_isi_runtime_resume()
1355 { .compatible = "atmel,at91sam9g45-isi" },