diff options
Diffstat (limited to 'drivers/media/platform/atmel')
| -rw-r--r-- | drivers/media/platform/atmel/atmel-isc-base.c | 34 | ||||
| -rw-r--r-- | drivers/media/platform/atmel/atmel-isc.h | 8 | ||||
| -rw-r--r-- | drivers/media/platform/atmel/atmel-sama5d2-isc.c | 58 | ||||
| -rw-r--r-- | drivers/media/platform/atmel/atmel-sama7g5-isc.c | 61 | ||||
| -rw-r--r-- | drivers/media/platform/atmel/microchip-csi2dc.c | 5 |
5 files changed, 80 insertions, 86 deletions
diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c index db15770d5b88..2f07a50035c8 100644 --- a/drivers/media/platform/atmel/atmel-isc-base.c +++ b/drivers/media/platform/atmel/atmel-isc-base.c @@ -401,6 +401,7 @@ static void isc_stop_streaming(struct vb2_queue *vq) struct isc_buffer *buf; int ret; + mutex_lock(&isc->awb_mutex); v4l2_ctrl_activate(isc->do_wb_ctrl, false); isc->stop = true; @@ -410,6 +411,8 @@ static void isc_stop_streaming(struct vb2_queue *vq) v4l2_err(&isc->v4l2_dev, "Timeout waiting for end of the capture\n"); + mutex_unlock(&isc->awb_mutex); + /* Disable DMA interrupt */ regmap_write(isc->regmap, ISC_INTDIS, ISC_INT_DDONE); @@ -442,7 +445,7 @@ static void isc_buffer_queue(struct vb2_buffer *vb) spin_lock_irqsave(&isc->dma_queue_lock, flags); if (!isc->cur_frm && list_empty(&isc->dma_queue) && - vb2_is_streaming(vb->vb2_queue)) { + vb2_start_streaming_called(vb->vb2_queue)) { isc->cur_frm = buf; isc_start_dma(isc); } else @@ -1029,7 +1032,7 @@ static int isc_s_fmt_vid_cap(struct file *file, void *priv, { struct isc_device *isc = video_drvdata(file); - if (vb2_is_streaming(&isc->vb2_vidq)) + if (vb2_is_busy(&isc->vb2_vidq)) return -EBUSY; return isc_set_fmt(isc, f); @@ -1397,10 +1400,6 @@ static void isc_awb_work(struct work_struct *w) u32 min, max; int ret; - /* streaming is not active anymore */ - if (isc->stop) - return; - if (ctrls->hist_stat != HIST_ENABLED) return; @@ -1455,7 +1454,24 @@ static void isc_awb_work(struct work_struct *w) } regmap_write(regmap, ISC_HIS_CFG + isc->offsets.his, hist_id | baysel | ISC_HIS_CFG_RAR); + + /* + * We have to make sure the streaming has not stopped meanwhile. + * ISC requires a frame to clock the internal profile update. + * To avoid issues, lock the sequence with a mutex + */ + mutex_lock(&isc->awb_mutex); + + /* streaming is not active anymore */ + if (isc->stop) { + mutex_unlock(&isc->awb_mutex); + return; + }; + isc_update_profile(isc); + + mutex_unlock(&isc->awb_mutex); + /* if awb has been disabled, we don't need to start another histogram */ if (ctrls->awb) regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_HISREQ); @@ -1534,6 +1550,7 @@ static int isc_s_awb_ctrl(struct v4l2_ctrl *ctrl) isc_update_awb_ctrls(isc); + mutex_lock(&isc->awb_mutex); if (vb2_is_streaming(&isc->vb2_vidq)) { /* * If we are streaming, we can update profile to @@ -1548,6 +1565,7 @@ static int isc_s_awb_ctrl(struct v4l2_ctrl *ctrl) */ v4l2_ctrl_activate(isc->do_wb_ctrl, false); } + mutex_unlock(&isc->awb_mutex); /* if we have autowhitebalance on, start histogram procedure */ if (ctrls->awb == ISC_WB_AUTO && @@ -1729,6 +1747,7 @@ static void isc_async_unbind(struct v4l2_async_notifier *notifier, { struct isc_device *isc = container_of(notifier->v4l2_dev, struct isc_device, v4l2_dev); + mutex_destroy(&isc->awb_mutex); cancel_work_sync(&isc->awb_work); video_unregister_device(&isc->video_dev); v4l2_ctrl_handler_free(&isc->ctrls.handler); @@ -1838,6 +1857,8 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier) isc->current_subdev = container_of(notifier, struct isc_subdev_entity, notifier); mutex_init(&isc->lock); + mutex_init(&isc->awb_mutex); + init_completion(&isc->comp); /* Initialize videobuf2 queue */ @@ -1906,6 +1927,7 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier) return 0; isc_async_complete_err: + mutex_destroy(&isc->awb_mutex); mutex_destroy(&isc->lock); return ret; } diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h index 07fa6dbf8460..ff60ba020cb9 100644 --- a/drivers/media/platform/atmel/atmel-isc.h +++ b/drivers/media/platform/atmel/atmel-isc.h @@ -218,6 +218,7 @@ struct isc_reg_offsets { * * @lock: lock for serializing userspace file operations * with ISC operations + * @awb_mutex: serialize access to streaming status from awb work queue * @awb_lock: lock for serializing awb work queue operations * with DMA/buffer operations * @@ -272,7 +273,7 @@ struct isc_device { struct video_device video_dev; struct vb2_queue vb2_vidq; - spinlock_t dma_queue_lock; /* serialize access to dma queue */ + spinlock_t dma_queue_lock; struct list_head dma_queue; struct isc_buffer *cur_frm; unsigned int sequence; @@ -289,8 +290,9 @@ struct isc_device { struct isc_ctrls ctrls; struct work_struct awb_work; - struct mutex lock; /* serialize access to file operations */ - spinlock_t awb_lock; /* serialize access to DMA buffers from awb work queue */ + struct mutex lock; + struct mutex awb_mutex; + spinlock_t awb_lock; struct regmap_field *pipeline[ISC_PIPE_LINE_NODE_NUM]; diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c index c5b9563e36cb..9881d89a645b 100644 --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c @@ -60,56 +60,39 @@ static const struct isc_format sama5d2_controller_formats[] = { { .fourcc = V4L2_PIX_FMT_ARGB444, - }, - { + }, { .fourcc = V4L2_PIX_FMT_ARGB555, - }, - { + }, { .fourcc = V4L2_PIX_FMT_RGB565, - }, - { + }, { .fourcc = V4L2_PIX_FMT_ABGR32, - }, - { + }, { .fourcc = V4L2_PIX_FMT_XBGR32, - }, - { + }, { .fourcc = V4L2_PIX_FMT_YUV420, - }, - { + }, { .fourcc = V4L2_PIX_FMT_YUYV, - }, - { + }, { .fourcc = V4L2_PIX_FMT_YUV422P, - }, - { + }, { .fourcc = V4L2_PIX_FMT_GREY, - }, - { + }, { .fourcc = V4L2_PIX_FMT_Y10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SBGGR8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGBRG8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGRBG8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SRGGB8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SBGGR10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGBRG10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGRBG10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SRGGB10, }, }; @@ -291,7 +274,7 @@ static void isc_sama5d2_config_rlp(struct isc_device *isc) * Thus, if the YCYC mode is selected, replace it with the * sama5d2-compliant mode which is YYCC . */ - if ((rlp_mode & ISC_RLP_CFG_MODE_YCYC) == ISC_RLP_CFG_MODE_YCYC) { + if ((rlp_mode & ISC_RLP_CFG_MODE_MASK) == ISC_RLP_CFG_MODE_YCYC) { rlp_mode &= ~ISC_RLP_CFG_MODE_MASK; rlp_mode |= ISC_RLP_CFG_MODE_YYCC; } @@ -562,7 +545,7 @@ static int atmel_isc_probe(struct platform_device *pdev) ret = clk_prepare_enable(isc->ispck); if (ret) { dev_err(dev, "failed to enable ispck: %d\n", ret); - goto cleanup_subdev; + goto disable_pm; } /* ispck should be greater or equal to hclock */ @@ -580,6 +563,9 @@ static int atmel_isc_probe(struct platform_device *pdev) unprepare_clk: clk_disable_unprepare(isc->ispck); +disable_pm: + pm_runtime_disable(dev); + cleanup_subdev: isc_subdev_cleanup(isc); diff --git a/drivers/media/platform/atmel/atmel-sama7g5-isc.c b/drivers/media/platform/atmel/atmel-sama7g5-isc.c index 07a80b08bc54..83b175070c06 100644 --- a/drivers/media/platform/atmel/atmel-sama7g5-isc.c +++ b/drivers/media/platform/atmel/atmel-sama7g5-isc.c @@ -63,65 +63,45 @@ static const struct isc_format sama7g5_controller_formats[] = { { .fourcc = V4L2_PIX_FMT_ARGB444, - }, - { + }, { .fourcc = V4L2_PIX_FMT_ARGB555, - }, - { + }, { .fourcc = V4L2_PIX_FMT_RGB565, - }, - { + }, { .fourcc = V4L2_PIX_FMT_ABGR32, - }, - { + }, { .fourcc = V4L2_PIX_FMT_XBGR32, - }, - { + }, { .fourcc = V4L2_PIX_FMT_YUV420, - }, - { + }, { .fourcc = V4L2_PIX_FMT_UYVY, - }, - { + }, { .fourcc = V4L2_PIX_FMT_VYUY, - }, - { + }, { .fourcc = V4L2_PIX_FMT_YUYV, - }, - { + }, { .fourcc = V4L2_PIX_FMT_YUV422P, - }, - { + }, { .fourcc = V4L2_PIX_FMT_GREY, - }, - { + }, { .fourcc = V4L2_PIX_FMT_Y10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_Y16, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SBGGR8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGBRG8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGRBG8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SRGGB8, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SBGGR10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGBRG10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SGRBG10, - }, - { + }, { .fourcc = V4L2_PIX_FMT_SRGGB10, }, }; @@ -225,7 +205,6 @@ static struct isc_format sama7g5_formats_list[] = { .mbus_code = MEDIA_BUS_FMT_Y10_1X10, .pfe_cfg0_bps = ISC_PFG_CFG0_BPS_TEN, }, - }; static void isc_sama7g5_config_csc(struct isc_device *isc) diff --git a/drivers/media/platform/atmel/microchip-csi2dc.c b/drivers/media/platform/atmel/microchip-csi2dc.c index 2487978db1f1..d5b359f607ae 100644 --- a/drivers/media/platform/atmel/microchip-csi2dc.c +++ b/drivers/media/platform/atmel/microchip-csi2dc.c @@ -454,6 +454,10 @@ static int csi2dc_init_cfg(struct v4l2_subdev *csi2dc_sd, return 0; } +static const struct media_entity_operations csi2dc_entity_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + static const struct v4l2_subdev_pad_ops csi2dc_pad_ops = { .enum_mbus_code = csi2dc_enum_mbus_code, .set_fmt = csi2dc_set_fmt, @@ -683,6 +687,7 @@ static int csi2dc_probe(struct platform_device *pdev) csi2dc->csi2dc_sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; csi2dc->csi2dc_sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; + csi2dc->csi2dc_sd.entity.ops = &csi2dc_entity_ops; platform_set_drvdata(pdev, csi2dc); |