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| author | Beata Michalska <b.michalska@samsung.com> | 2014-07-14 14:47:09 +0200 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2014-11-27 03:40:34 -0800 |
| commit | 2cba66fe0cece42a68661a475fcc6e807259f676 (patch) | |
| tree | 1a870aa92d44f916c3a8c9a1b8b7b7912bf7710a | |
| parent | deaf90b018f621ab04860e4b2090b3e89b908682 (diff) | |
| download | linux-3.10-2cba66fe0cece42a68661a475fcc6e807259f676.tar.gz linux-3.10-2cba66fe0cece42a68661a475fcc6e807259f676.tar.bz2 linux-3.10-2cba66fe0cece42a68661a475fcc6e807259f676.zip | |
exynos: fimc-lite: Capture frame end event notification
This patch adds notifying v4l2 subdevs upon capture
frame end event.
Signed-off-by: Beata Michalska <b.michalska@samsung.com>
Change-Id: Id3e81b4692a6f2cfc91ffde7050a3ae6db719971
| -rw-r--r-- | drivers/media/platform/exynos4-is/fimc-lite.c | 37 | ||||
| -rw-r--r-- | include/media/s5p_fimc.h | 9 |
2 files changed, 29 insertions, 17 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 76a194119e7..7e41268749c 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -285,25 +285,28 @@ static irqreturn_t flite_irq_handler(int irq, void *priv) if (atomic_read(&fimc->out_path) != FIMC_IO_DMA) goto done; - if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMSTART) && - test_bit(ST_FLITE_RUN, &fimc->state) && - !list_empty(&fimc->pending_buf_q)) { - vbuf = fimc_lite_pending_queue_pop(fimc); - flite_hw_set_dma_buffer(fimc, vbuf); - fimc_lite_active_queue_add(fimc, vbuf); + if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMSTART)){ + if (test_bit(ST_FLITE_RUN, &fimc->state) && + !list_empty(&fimc->pending_buf_q)) { + vbuf = fimc_lite_pending_queue_pop(fimc); + flite_hw_set_dma_buffer(fimc, vbuf); + fimc_lite_active_queue_add(fimc, vbuf); + } } - if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMEND) && - test_bit(ST_FLITE_RUN, &fimc->state) && - !list_empty(&fimc->active_buf_q)) { - vbuf = fimc_lite_active_queue_pop(fimc); - ktime_get_ts(&ts); - tv = &vbuf->vb.v4l2_buf.timestamp; - tv->tv_sec = ts.tv_sec; - tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC; - vbuf->vb.v4l2_buf.sequence = fimc->frame_count++; - flite_hw_mask_dma_buffer(fimc, vbuf->index); - vb2_buffer_done(&vbuf->vb, VB2_BUF_STATE_DONE); + if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMEND)) { + if (test_bit(ST_FLITE_RUN, &fimc->state) && + !list_empty(&fimc->active_buf_q)) { + vbuf = fimc_lite_active_queue_pop(fimc); + ktime_get_ts(&ts); + tv = &vbuf->vb.v4l2_buf.timestamp; + tv->tv_sec = ts.tv_sec; + tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC; + vbuf->vb.v4l2_buf.sequence = fimc->frame_count++; + flite_hw_mask_dma_buffer(fimc, vbuf->index); + vb2_buffer_done(&vbuf->vb, VB2_BUF_STATE_DONE); + } + v4l2_subdev_notify(&fimc->subdev, EXYNOS_FIMC_IS_FRAME_DONE, NULL); } if (test_bit(ST_FLITE_CONFIG, &fimc->state)) diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h index b975c285c8a..5fe54ed29b1 100644 --- a/include/media/s5p_fimc.h +++ b/include/media/s5p_fimc.h @@ -105,6 +105,15 @@ struct s5p_platform_fimc { * at begining of the frame transmission. */ #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0) +/** + * v4l2_device notification id - provided for internal use only. + * Sensors subdevs might issue S5P_FIMC_FRAME_DONE notification + * whenever frame has been succesfully captured despite current + * capturing mode. + * Note: Invoramtive puspose only. + */ +#define EXYNOS_FIMC_IS_FRAME_DONE _IO('e', 1) + #define FIMC_MAX_PLANES 3 |