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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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media: staging: rkisp1: add capture device for statistics
Add the capture video driver for rockchip isp1 statistics block. Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com> Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> Signed-off-by: Yichong Zhong <zyc@rock-chips.com> Signed-off-by: Jacob Chen <cc@rock-chips.com> Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Allon Huang <allon.huang@rock-chips.com> Signed-off-by: Tomasz Figa <tfiga@chromium.org> Signed-off-by: Helen Koike <helen.koike@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Jacob Chen
Mauro Carvalho Chehab
parent
8e2be317dc
commit
9a28dbd65a
@ -3,4 +3,5 @@ rockchip-isp1-objs += rkisp1-capture.o \
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rkisp1-common.o \
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rkisp1-dev.o \
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rkisp1-isp.o \
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rkisp1-resizer.o
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rkisp1-resizer.o \
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rkisp1-stats.o
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@ -20,6 +20,7 @@
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#include <media/videobuf2-v4l2.h>
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#include "rkisp1-regs.h"
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#include "uapi/rkisp1-config.h"
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#define RKISP1_ISP_MAX_WIDTH 4032
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#define RKISP1_ISP_MAX_HEIGHT 3024
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@ -174,6 +175,26 @@ struct rkisp1_capture {
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} pix;
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};
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/*
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* struct rkisp1_stats - ISP Statistics device
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*
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* @irq_lock: buffer queue lock
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* @stat: stats buffer list
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* @readout_wq: workqueue for statistics information read
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*/
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struct rkisp1_stats {
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struct rkisp1_vdev_node vnode;
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struct rkisp1_device *rkisp1;
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spinlock_t irq_lock;
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struct list_head stat;
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struct v4l2_format vdev_fmt;
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bool is_streaming;
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struct workqueue_struct *readout_wq;
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struct mutex wq_lock;
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};
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struct rkisp1_resizer {
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struct v4l2_subdev sd;
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enum rkisp1_stream_id id;
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@ -189,6 +210,7 @@ struct rkisp1_debug {
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unsigned long data_loss;
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unsigned long pic_size_error;
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unsigned long mipi_error;
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unsigned long stats_error;
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unsigned long stop_timeout[2];
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unsigned long frame_drop[2];
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};
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@ -199,6 +221,7 @@ struct rkisp1_debug {
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* @active_sensor: sensor in-use, set when streaming on
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* @isp: ISP sub-device
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* @rkisp1_capture: capture video device
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* @stats: ISP statistics output device
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*/
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struct rkisp1_device {
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void __iomem *base_addr;
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@ -214,6 +237,7 @@ struct rkisp1_device {
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struct rkisp1_isp isp;
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struct rkisp1_resizer resizer_devs[2];
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struct rkisp1_capture capture_devs[2];
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struct rkisp1_stats stats;
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struct media_pipeline pipe;
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struct vb2_alloc_ctx *alloc_ctx;
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struct rkisp1_debug debug;
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@ -262,6 +286,7 @@ const struct rkisp1_isp_mbus_info *rkisp1_isp_mbus_info_get(u32 mbus_code);
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void rkisp1_isp_isr(struct rkisp1_device *rkisp1);
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void rkisp1_mipi_isr(struct rkisp1_device *rkisp1);
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void rkisp1_capture_isr(struct rkisp1_device *rkisp1);
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void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris);
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int rkisp1_capture_devs_register(struct rkisp1_device *rkisp1);
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void rkisp1_capture_devs_unregister(struct rkisp1_device *rkisp1);
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@ -269,4 +294,9 @@ void rkisp1_capture_devs_unregister(struct rkisp1_device *rkisp1);
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int rkisp1_resizer_devs_register(struct rkisp1_device *rkisp1);
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void rkisp1_resizer_devs_unregister(struct rkisp1_device *rkisp1);
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int rkisp1_stats_register(struct rkisp1_stats *stats,
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struct v4l2_device *v4l2_dev,
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struct rkisp1_device *rkisp1);
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void rkisp1_stats_unregister(struct rkisp1_stats *stats);
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#endif /* _RKISP1_COMMON_H */
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@ -57,6 +57,14 @@
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* | DMA |------------------------------------+ Self Picture Path
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* +--------+
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*
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* rkisp1-stats.c
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* |===============|
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* +---------------+
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* | |
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* | ISP |
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* | |
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* +---------------+
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*
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*
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* Media Topology
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* --------------
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@ -74,14 +82,14 @@
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* +----------+ |------+------|
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* | ISP |
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* |------+------|
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* +-------------| 2 | 3 |
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* | +------+------+
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* | |
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* v v
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* +- ---------+ +-----------+
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* | 0 | | 0 |
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* ------------- -------------
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* | Resizer | | Resizer |
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* +-------------| 2 | 3 |----------+
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* | +------+------+ |
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* | | |
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* v v v
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* +- ---------+ +-----------+ +-----------+
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* | 0 | | 0 | | stats |
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* ------------- ------------- | (capture) |
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* | Resizer | | Resizer | +-----------+
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* ------------| ------------|
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* | 1 | | 1 |
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* +-----------+ +-----------+
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@ -156,7 +164,11 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1)
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return ret;
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}
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return 0;
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/* 3A stats links */
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source = &rkisp1->isp.sd.entity;
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sink = &rkisp1->stats.vnode.vdev.entity;
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return media_create_pad_link(source, RKISP1_ISP_PAD_SOURCE_STATS,
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sink, 0, flags);
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}
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static int rkisp1_subdev_notifier_bound(struct v4l2_async_notifier *notifier,
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@ -336,14 +348,20 @@ static int rkisp1_entities_register(struct rkisp1_device *rkisp1)
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if (ret)
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goto err_unreg_resizer_devs;
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ret = rkisp1_stats_register(&rkisp1->stats, &rkisp1->v4l2_dev, rkisp1);
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if (ret)
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goto err_unreg_capture_devs;
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ret = rkisp1_subdev_notifier(rkisp1);
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if (ret) {
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dev_err(rkisp1->dev,
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"Failed to register subdev notifier(%d)\n", ret);
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goto err_unreg_capture_devs;
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goto err_unreg_stats;
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}
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return 0;
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err_unreg_stats:
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rkisp1_stats_unregister(&rkisp1->stats);
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err_unreg_capture_devs:
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rkisp1_capture_devs_unregister(rkisp1);
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err_unreg_resizer_devs:
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@ -408,6 +426,8 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1)
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&debug->pic_size_error);
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debugfs_create_ulong("mipi_error", 0444, debug->debugfs_dir,
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&debug->mipi_error);
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debugfs_create_ulong("stats_error", 0444, debug->debugfs_dir,
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&debug->stats_error);
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debugfs_create_ulong("mp_stop_timeout", 0444, debug->debugfs_dir,
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&debug->stop_timeout[RKISP1_MAINPATH]);
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debugfs_create_ulong("sp_stop_timeout", 0444, debug->debugfs_dir,
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@ -509,6 +529,7 @@ static int rkisp1_remove(struct platform_device *pdev)
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v4l2_async_notifier_unregister(&rkisp1->notifier);
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v4l2_async_notifier_cleanup(&rkisp1->notifier);
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rkisp1_stats_unregister(&rkisp1->stats);
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rkisp1_capture_devs_unregister(rkisp1);
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rkisp1_resizer_devs_unregister(rkisp1);
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rkisp1_isp_unregister(rkisp1);
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@ -1130,4 +1130,16 @@ void rkisp1_isp_isr(struct rkisp1_device *rkisp1)
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/* keep track of data_loss in debugfs */
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rkisp1->debug.data_loss++;
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}
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if (status & RKISP1_CIF_ISP_FRAME) {
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u32 isp_ris;
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/* New frame from the sensor received */
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isp_ris = rkisp1_read(rkisp1, RKISP1_CIF_ISP_RIS);
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if (isp_ris & (RKISP1_CIF_ISP_AWB_DONE |
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RKISP1_CIF_ISP_AFM_FIN |
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RKISP1_CIF_ISP_EXP_END |
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RKISP1_CIF_ISP_HIST_MEASURE_RDY))
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rkisp1_stats_isr(&rkisp1->stats, isp_ris);
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}
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}
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530
drivers/staging/media/rkisp1/rkisp1-stats.c
Normal file
530
drivers/staging/media/rkisp1/rkisp1-stats.c
Normal file
@ -0,0 +1,530 @@
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Rockchip ISP1 Driver - Stats subdevice
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*
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* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
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*/
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#include <media/v4l2-common.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-ioctl.h>
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#include <media/videobuf2-core.h>
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#include <media/videobuf2-vmalloc.h> /* for ISP statistics */
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#include "rkisp1-common.h"
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#define RKISP1_STATS_DEV_NAME RKISP1_DRIVER_NAME "_stats"
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#define RKISP1_ISP_STATS_REQ_BUFS_MIN 2
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#define RKISP1_ISP_STATS_REQ_BUFS_MAX 8
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enum rkisp1_isp_readout_cmd {
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RKISP1_ISP_READOUT_MEAS,
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RKISP1_ISP_READOUT_META,
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};
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struct rkisp1_isp_readout_work {
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struct work_struct work;
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struct rkisp1_stats *stats;
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unsigned int frame_id;
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unsigned int isp_ris;
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enum rkisp1_isp_readout_cmd readout;
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struct vb2_buffer *vb;
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};
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static int rkisp1_stats_enum_fmt_meta_cap(struct file *file, void *priv,
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struct v4l2_fmtdesc *f)
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{
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struct video_device *video = video_devdata(file);
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struct rkisp1_stats *stats = video_get_drvdata(video);
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if (f->index > 0 || f->type != video->queue->type)
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return -EINVAL;
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f->pixelformat = stats->vdev_fmt.fmt.meta.dataformat;
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return 0;
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}
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static int rkisp1_stats_g_fmt_meta_cap(struct file *file, void *priv,
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struct v4l2_format *f)
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{
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struct video_device *video = video_devdata(file);
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struct rkisp1_stats *stats = video_get_drvdata(video);
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struct v4l2_meta_format *meta = &f->fmt.meta;
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if (f->type != video->queue->type)
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return -EINVAL;
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memset(meta, 0, sizeof(*meta));
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meta->dataformat = stats->vdev_fmt.fmt.meta.dataformat;
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meta->buffersize = stats->vdev_fmt.fmt.meta.buffersize;
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return 0;
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}
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static int rkisp1_stats_querycap(struct file *file,
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void *priv, struct v4l2_capability *cap)
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{
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struct video_device *vdev = video_devdata(file);
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strscpy(cap->driver, RKISP1_DRIVER_NAME, sizeof(cap->driver));
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strscpy(cap->card, vdev->name, sizeof(cap->card));
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strscpy(cap->bus_info, "platform: " RKISP1_DRIVER_NAME,
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sizeof(cap->bus_info));
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return 0;
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}
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/* ISP video device IOCTLs */
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static const struct v4l2_ioctl_ops rkisp1_stats_ioctl = {
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.vidioc_reqbufs = vb2_ioctl_reqbufs,
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.vidioc_querybuf = vb2_ioctl_querybuf,
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.vidioc_create_bufs = vb2_ioctl_create_bufs,
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.vidioc_qbuf = vb2_ioctl_qbuf,
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.vidioc_dqbuf = vb2_ioctl_dqbuf,
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.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
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.vidioc_expbuf = vb2_ioctl_expbuf,
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.vidioc_streamon = vb2_ioctl_streamon,
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.vidioc_streamoff = vb2_ioctl_streamoff,
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.vidioc_enum_fmt_meta_cap = rkisp1_stats_enum_fmt_meta_cap,
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.vidioc_g_fmt_meta_cap = rkisp1_stats_g_fmt_meta_cap,
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.vidioc_s_fmt_meta_cap = rkisp1_stats_g_fmt_meta_cap,
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.vidioc_try_fmt_meta_cap = rkisp1_stats_g_fmt_meta_cap,
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.vidioc_querycap = rkisp1_stats_querycap,
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.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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};
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static const struct v4l2_file_operations rkisp1_stats_fops = {
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.mmap = vb2_fop_mmap,
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.unlocked_ioctl = video_ioctl2,
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.poll = vb2_fop_poll,
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.open = v4l2_fh_open,
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.release = vb2_fop_release
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};
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static int rkisp1_stats_vb2_queue_setup(struct vb2_queue *vq,
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unsigned int *num_buffers,
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unsigned int *num_planes,
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unsigned int sizes[],
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struct device *alloc_devs[])
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{
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struct rkisp1_stats *stats = vq->drv_priv;
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*num_planes = 1;
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*num_buffers = clamp_t(u32, *num_buffers, RKISP1_ISP_STATS_REQ_BUFS_MIN,
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RKISP1_ISP_STATS_REQ_BUFS_MAX);
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sizes[0] = sizeof(struct rkisp1_stat_buffer);
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INIT_LIST_HEAD(&stats->stat);
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return 0;
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}
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static void rkisp1_stats_vb2_buf_queue(struct vb2_buffer *vb)
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{
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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struct rkisp1_buffer *stats_buf =
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container_of(vbuf, struct rkisp1_buffer, vb);
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struct vb2_queue *vq = vb->vb2_queue;
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struct rkisp1_stats *stats_dev = vq->drv_priv;
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stats_buf->vaddr[0] = vb2_plane_vaddr(vb, 0);
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mutex_lock(&stats_dev->wq_lock);
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list_add_tail(&stats_buf->queue, &stats_dev->stat);
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mutex_unlock(&stats_dev->wq_lock);
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}
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static int rkisp1_stats_vb2_buf_prepare(struct vb2_buffer *vb)
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{
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if (vb2_plane_size(vb, 0) < sizeof(struct rkisp1_stat_buffer))
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return -EINVAL;
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vb2_set_plane_payload(vb, 0, sizeof(struct rkisp1_stat_buffer));
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return 0;
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}
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static void rkisp1_stats_vb2_stop_streaming(struct vb2_queue *vq)
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{
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struct rkisp1_stats *stats = vq->drv_priv;
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struct rkisp1_buffer *buf;
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unsigned long flags;
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unsigned int i;
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/* Make sure no new work queued in isr before draining wq */
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spin_lock_irqsave(&stats->irq_lock, flags);
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stats->is_streaming = false;
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spin_unlock_irqrestore(&stats->irq_lock, flags);
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drain_workqueue(stats->readout_wq);
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mutex_lock(&stats->wq_lock);
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for (i = 0; i < RKISP1_ISP_STATS_REQ_BUFS_MAX; i++) {
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if (list_empty(&stats->stat))
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break;
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buf = list_first_entry(&stats->stat,
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struct rkisp1_buffer, queue);
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list_del(&buf->queue);
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vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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}
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mutex_unlock(&stats->wq_lock);
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}
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static int
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rkisp1_stats_vb2_start_streaming(struct vb2_queue *queue, unsigned int count)
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{
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struct rkisp1_stats *stats = queue->drv_priv;
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stats->is_streaming = true;
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return 0;
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}
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static const struct vb2_ops rkisp1_stats_vb2_ops = {
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.queue_setup = rkisp1_stats_vb2_queue_setup,
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.buf_queue = rkisp1_stats_vb2_buf_queue,
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.buf_prepare = rkisp1_stats_vb2_buf_prepare,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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.stop_streaming = rkisp1_stats_vb2_stop_streaming,
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.start_streaming = rkisp1_stats_vb2_start_streaming,
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};
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static int
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rkisp1_stats_init_vb2_queue(struct vb2_queue *q, struct rkisp1_stats *stats)
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{
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struct rkisp1_vdev_node *node;
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node = container_of(q, struct rkisp1_vdev_node, buf_queue);
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q->type = V4L2_BUF_TYPE_META_CAPTURE;
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q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
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q->drv_priv = stats;
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||||
q->ops = &rkisp1_stats_vb2_ops;
|
||||
q->mem_ops = &vb2_vmalloc_memops;
|
||||
q->buf_struct_size = sizeof(struct rkisp1_buffer);
|
||||
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
|
||||
q->lock = &node->vlock;
|
||||
|
||||
return vb2_queue_init(q);
|
||||
}
|
||||
|
||||
static void rkisp1_stats_get_awb_meas(struct rkisp1_stats *stats,
|
||||
struct rkisp1_stat_buffer *pbuf)
|
||||
{
|
||||
/* Protect against concurrent access from ISR? */
|
||||
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||||
u32 reg_val;
|
||||
|
||||
pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AWB;
|
||||
reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AWB_WHITE_CNT);
|
||||
pbuf->params.awb.awb_mean[0].cnt =
|
||||
RKISP1_CIF_ISP_AWB_GET_PIXEL_CNT(reg_val);
|
||||
reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AWB_MEAN);
|
||||
|
||||
pbuf->params.awb.awb_mean[0].mean_cr_or_r =
|
||||
RKISP1_CIF_ISP_AWB_GET_MEAN_CR_R(reg_val);
|
||||
pbuf->params.awb.awb_mean[0].mean_cb_or_b =
|
||||
RKISP1_CIF_ISP_AWB_GET_MEAN_CB_B(reg_val);
|
||||
pbuf->params.awb.awb_mean[0].mean_y_or_g =
|
||||
RKISP1_CIF_ISP_AWB_GET_MEAN_Y_G(reg_val);
|
||||
}
|
||||
|
||||
static void rkisp1_stats_get_aec_meas(struct rkisp1_stats *stats,
|
||||
struct rkisp1_stat_buffer *pbuf)
|
||||
{
|
||||
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||||
unsigned int i;
|
||||
|
||||
pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AUTOEXP;
|
||||
for (i = 0; i < RKISP1_CIF_ISP_AE_MEAN_MAX; i++)
|
||||
pbuf->params.ae.exp_mean[i] =
|
||||
(u8)rkisp1_read(rkisp1,
|
||||
RKISP1_CIF_ISP_EXP_MEAN_00 + i * 4);
|
||||
}
|
||||
|
||||
static void rkisp1_stats_get_afc_meas(struct rkisp1_stats *stats,
|
||||
struct rkisp1_stat_buffer *pbuf)
|
||||
{
|
||||
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||||
struct rkisp1_cif_isp_af_stat *af;
|
||||
|
||||
pbuf->meas_type = RKISP1_CIF_ISP_STAT_AFM_FIN;
|
||||
|
||||
af = &pbuf->params.af;
|
||||
af->window[0].sum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_SUM_A);
|
||||
af->window[0].lum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_LUM_A);
|
||||
af->window[1].sum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_SUM_B);
|
||||
af->window[1].lum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_LUM_B);
|
||||
af->window[2].sum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_SUM_C);
|
||||
af->window[2].lum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_LUM_C);
|
||||
}
|
||||
|
||||
static void rkisp1_stats_get_hst_meas(struct rkisp1_stats *stats,
|
||||
struct rkisp1_stat_buffer *pbuf)
|
||||
{
|
||||
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||||
unsigned int i;
|
||||
|
||||
pbuf->meas_type |= RKISP1_CIF_ISP_STAT_HIST;
|
||||
for (i = 0; i < RKISP1_CIF_ISP_HIST_BIN_N_MAX; i++)
|
||||
pbuf->params.hist.hist_bins[i] =
|
||||
(u8)rkisp1_read(rkisp1,
|
||||
RKISP1_CIF_ISP_HIST_BIN_0 + i * 4);
|
||||
}
|
||||
|
||||
static void rkisp1_stats_get_bls_meas(struct rkisp1_stats *stats,
|
||||
struct rkisp1_stat_buffer *pbuf)
|
||||
{
|
||||
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||||
const struct rkisp1_isp_mbus_info *in_fmt = rkisp1->isp.sink_fmt;
|
||||
struct rkisp1_cif_isp_bls_meas_val *bls_val;
|
||||
|
||||
bls_val = &pbuf->params.ae.bls_val;
|
||||
if (in_fmt->bayer_pat == RKISP1_RAW_BGGR) {
|
||||
bls_val->meas_b =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||||
bls_val->meas_gb =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||||
bls_val->meas_gr =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||||
bls_val->meas_r =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||||
} else if (in_fmt->bayer_pat == RKISP1_RAW_GBRG) {
|
||||
bls_val->meas_gb =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||||
bls_val->meas_b =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||||
bls_val->meas_r =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||||
bls_val->meas_gr =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||||
} else if (in_fmt->bayer_pat == RKISP1_RAW_GRBG) {
|
||||
bls_val->meas_gr =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||||
bls_val->meas_r =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||||
bls_val->meas_b =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||||
bls_val->meas_gb =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||||
} else if (in_fmt->bayer_pat == RKISP1_RAW_RGGB) {
|
||||
bls_val->meas_r =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||||
bls_val->meas_gr =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||||
bls_val->meas_gb =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||||
bls_val->meas_b =
|
||||
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
rkisp1_stats_send_measurement(struct rkisp1_stats *stats,
|
||||
struct rkisp1_isp_readout_work *meas_work)
|
||||
{
|
||||
struct rkisp1_stat_buffer *cur_stat_buf;
|
||||
struct rkisp1_buffer *cur_buf = NULL;
|
||||
unsigned int frame_sequence =
|
||||
atomic_read(&stats->rkisp1->isp.frame_sequence);
|
||||
u64 timestamp = ktime_get_ns();
|
||||
|
||||
if (frame_sequence != meas_work->frame_id) {
|
||||
dev_warn(stats->rkisp1->dev,
|
||||
"Measurement late(%d, %d)\n",
|
||||
frame_sequence, meas_work->frame_id);
|
||||
frame_sequence = meas_work->frame_id;
|
||||
}
|
||||
|
||||
mutex_lock(&stats->wq_lock);
|
||||
/* get one empty buffer */
|
||||
if (!list_empty(&stats->stat)) {
|
||||
cur_buf = list_first_entry(&stats->stat,
|
||||
struct rkisp1_buffer, queue);
|
||||
list_del(&cur_buf->queue);
|
||||
}
|
||||
mutex_unlock(&stats->wq_lock);
|
||||
|
||||
if (!cur_buf)
|
||||
return;
|
||||
|
||||
cur_stat_buf =
|
||||
(struct rkisp1_stat_buffer *)(cur_buf->vaddr[0]);
|
||||
|
||||
if (meas_work->isp_ris & RKISP1_CIF_ISP_AWB_DONE) {
|
||||
rkisp1_stats_get_awb_meas(stats, cur_stat_buf);
|
||||
cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_AWB;
|
||||
}
|
||||
|
||||
if (meas_work->isp_ris & RKISP1_CIF_ISP_AFM_FIN) {
|
||||
rkisp1_stats_get_afc_meas(stats, cur_stat_buf);
|
||||
cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_AFM_FIN;
|
||||
}
|
||||
|
||||
if (meas_work->isp_ris & RKISP1_CIF_ISP_EXP_END) {
|
||||
rkisp1_stats_get_aec_meas(stats, cur_stat_buf);
|
||||
rkisp1_stats_get_bls_meas(stats, cur_stat_buf);
|
||||
cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_AUTOEXP;
|
||||
}
|
||||
|
||||
if (meas_work->isp_ris & RKISP1_CIF_ISP_HIST_MEASURE_RDY) {
|
||||
rkisp1_stats_get_hst_meas(stats, cur_stat_buf);
|
||||
cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_HIST;
|
||||
}
|
||||
|
||||
vb2_set_plane_payload(&cur_buf->vb.vb2_buf, 0,
|
||||
sizeof(struct rkisp1_stat_buffer));
|
||||
cur_buf->vb.sequence = frame_sequence;
|
||||
cur_buf->vb.vb2_buf.timestamp = timestamp;
|
||||
vb2_buffer_done(&cur_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
|
||||
}
|
||||
|
||||
static void rkisp1_stats_readout_work(struct work_struct *work)
|
||||
{
|
||||
struct rkisp1_isp_readout_work *readout_work =
|
||||
container_of(work, struct rkisp1_isp_readout_work, work);
|
||||
struct rkisp1_stats *stats = readout_work->stats;
|
||||
|
||||
if (readout_work->readout == RKISP1_ISP_READOUT_MEAS)
|
||||
rkisp1_stats_send_measurement(stats, readout_work);
|
||||
|
||||
kfree(readout_work);
|
||||
}
|
||||
|
||||
void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris)
|
||||
{
|
||||
unsigned int frame_sequence =
|
||||
atomic_read(&stats->rkisp1->isp.frame_sequence);
|
||||
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||||
struct rkisp1_isp_readout_work *work;
|
||||
unsigned int isp_mis_tmp = 0;
|
||||
u32 val;
|
||||
|
||||
spin_lock(&stats->irq_lock);
|
||||
|
||||
val = RKISP1_CIF_ISP_AWB_DONE | RKISP1_CIF_ISP_AFM_FIN |
|
||||
RKISP1_CIF_ISP_EXP_END | RKISP1_CIF_ISP_HIST_MEASURE_RDY;
|
||||
rkisp1_write(rkisp1, val, RKISP1_CIF_ISP_ICR);
|
||||
|
||||
isp_mis_tmp = rkisp1_read(rkisp1, RKISP1_CIF_ISP_MIS);
|
||||
if (isp_mis_tmp &
|
||||
(RKISP1_CIF_ISP_AWB_DONE | RKISP1_CIF_ISP_AFM_FIN |
|
||||
RKISP1_CIF_ISP_EXP_END | RKISP1_CIF_ISP_HIST_MEASURE_RDY))
|
||||
rkisp1->debug.stats_error++;
|
||||
|
||||
if (!stats->is_streaming)
|
||||
goto unlock;
|
||||
if (isp_ris & (RKISP1_CIF_ISP_AWB_DONE |
|
||||
RKISP1_CIF_ISP_AFM_FIN |
|
||||
RKISP1_CIF_ISP_EXP_END |
|
||||
RKISP1_CIF_ISP_HIST_MEASURE_RDY)) {
|
||||
work = kzalloc(sizeof(*work), GFP_ATOMIC);
|
||||
if (work) {
|
||||
INIT_WORK(&work->work,
|
||||
rkisp1_stats_readout_work);
|
||||
work->readout = RKISP1_ISP_READOUT_MEAS;
|
||||
work->stats = stats;
|
||||
work->frame_id = frame_sequence;
|
||||
work->isp_ris = isp_ris;
|
||||
if (!queue_work(stats->readout_wq,
|
||||
&work->work))
|
||||
kfree(work);
|
||||
} else {
|
||||
dev_err(stats->rkisp1->dev,
|
||||
"Could not allocate work\n");
|
||||
}
|
||||
}
|
||||
|
||||
unlock:
|
||||
spin_unlock(&stats->irq_lock);
|
||||
}
|
||||
|
||||
static void rkisp1_init_stats(struct rkisp1_stats *stats)
|
||||
{
|
||||
stats->vdev_fmt.fmt.meta.dataformat =
|
||||
V4L2_META_FMT_RK_ISP1_STAT_3A;
|
||||
stats->vdev_fmt.fmt.meta.buffersize =
|
||||
sizeof(struct rkisp1_stat_buffer);
|
||||
}
|
||||
|
||||
int rkisp1_stats_register(struct rkisp1_stats *stats,
|
||||
struct v4l2_device *v4l2_dev,
|
||||
struct rkisp1_device *rkisp1)
|
||||
{
|
||||
struct rkisp1_vdev_node *node = &stats->vnode;
|
||||
struct video_device *vdev = &node->vdev;
|
||||
int ret;
|
||||
|
||||
stats->rkisp1 = rkisp1;
|
||||
mutex_init(&stats->wq_lock);
|
||||
mutex_init(&node->vlock);
|
||||
INIT_LIST_HEAD(&stats->stat);
|
||||
spin_lock_init(&stats->irq_lock);
|
||||
|
||||
strscpy(vdev->name, RKISP1_STATS_DEV_NAME, sizeof(vdev->name));
|
||||
|
||||
video_set_drvdata(vdev, stats);
|
||||
vdev->ioctl_ops = &rkisp1_stats_ioctl;
|
||||
vdev->fops = &rkisp1_stats_fops;
|
||||
vdev->release = video_device_release_empty;
|
||||
vdev->lock = &node->vlock;
|
||||
vdev->v4l2_dev = v4l2_dev;
|
||||
vdev->queue = &node->buf_queue;
|
||||
vdev->device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING;
|
||||
vdev->vfl_dir = VFL_DIR_RX;
|
||||
rkisp1_stats_init_vb2_queue(vdev->queue, stats);
|
||||
rkisp1_init_stats(stats);
|
||||
video_set_drvdata(vdev, stats);
|
||||
|
||||
node->pad.flags = MEDIA_PAD_FL_SINK;
|
||||
ret = media_entity_pads_init(&vdev->entity, 1, &node->pad);
|
||||
if (ret)
|
||||
goto err_release_queue;
|
||||
|
||||
ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
|
||||
if (ret) {
|
||||
dev_err(&vdev->dev,
|
||||
"failed to register %s, ret=%d\n", vdev->name, ret);
|
||||
goto err_cleanup_media_entity;
|
||||
}
|
||||
|
||||
stats->readout_wq = alloc_workqueue("measurement_queue",
|
||||
WQ_UNBOUND | WQ_MEM_RECLAIM,
|
||||
1);
|
||||
|
||||
if (!stats->readout_wq) {
|
||||
ret = -ENOMEM;
|
||||
goto err_unreg_vdev;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_unreg_vdev:
|
||||
video_unregister_device(vdev);
|
||||
err_cleanup_media_entity:
|
||||
media_entity_cleanup(&vdev->entity);
|
||||
err_release_queue:
|
||||
vb2_queue_release(vdev->queue);
|
||||
mutex_destroy(&node->vlock);
|
||||
mutex_destroy(&stats->wq_lock);
|
||||
return ret;
|
||||
}
|
||||
|
||||
void rkisp1_stats_unregister(struct rkisp1_stats *stats)
|
||||
{
|
||||
struct rkisp1_vdev_node *node = &stats->vnode;
|
||||
struct video_device *vdev = &node->vdev;
|
||||
|
||||
destroy_workqueue(stats->readout_wq);
|
||||
video_unregister_device(vdev);
|
||||
media_entity_cleanup(&vdev->entity);
|
||||
vb2_queue_release(vdev->queue);
|
||||
mutex_destroy(&node->vlock);
|
||||
mutex_destroy(&stats->wq_lock);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user