From 9e803a0450a5973d1c252980ea69e5b171d7f0ca Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Fri, 10 Jun 2011 15:36:53 -0300 Subject: [media] s5p-fimc: Add PM helper function for streaming control Move the camera capture H/W initialization sequence to a separate function. This is needed for reuse in the following runtime PM code. Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/s5p-fimc/fimc-capture.c | 74 ++++++++++++++++------------- drivers/media/video/s5p-fimc/fimc-core.c | 4 +- drivers/media/video/s5p-fimc/fimc-core.h | 3 ++ 3 files changed, 46 insertions(+), 35 deletions(-) (limited to 'drivers/media/video/s5p-fimc') diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c index 95996fb91a12..6c4dca0925a9 100644 --- a/drivers/media/video/s5p-fimc/fimc-capture.c +++ b/drivers/media/video/s5p-fimc/fimc-capture.c @@ -30,6 +30,44 @@ #include "fimc-mdevice.h" #include "fimc-core.h" +static int fimc_init_capture(struct fimc_dev *fimc) +{ + struct fimc_ctx *ctx = fimc->vid_cap.ctx; + struct fimc_sensor_info *sensor; + unsigned long flags; + int ret = 0; + + if (fimc->pipeline.sensor == NULL || ctx == NULL) + return -ENXIO; + if (ctx->s_frame.fmt == NULL) + return -EINVAL; + + sensor = v4l2_get_subdev_hostdata(fimc->pipeline.sensor); + + spin_lock_irqsave(&fimc->slock, flags); + fimc_prepare_dma_offset(ctx, &ctx->d_frame); + fimc_set_yuv_order(ctx); + + fimc_hw_set_camera_polarity(fimc, sensor->pdata); + fimc_hw_set_camera_type(fimc, sensor->pdata); + fimc_hw_set_camera_source(fimc, sensor->pdata); + fimc_hw_set_camera_offset(fimc, &ctx->s_frame); + + ret = fimc_set_scaler_info(ctx); + if (!ret) { + fimc_hw_set_input_path(ctx); + fimc_hw_set_prescaler(ctx); + fimc_hw_set_mainscaler(ctx); + fimc_hw_set_target_format(ctx); + fimc_hw_set_rotation(ctx); + fimc_hw_set_effect(ctx); + fimc_hw_set_output_path(ctx); + fimc_hw_set_out_dma(ctx); + } + spin_unlock_irqrestore(&fimc->slock, flags); + return ret; +} + static void fimc_capture_state_cleanup(struct fimc_dev *fimc) { struct fimc_vid_cap *cap = &fimc->vid_cap; @@ -85,47 +123,17 @@ static int start_streaming(struct vb2_queue *q, unsigned int count) { struct fimc_ctx *ctx = q->drv_priv; struct fimc_dev *fimc = ctx->fimc_dev; - struct s5p_fimc_isp_info *isp_info; + struct fimc_vid_cap *vid_cap = &fimc->vid_cap; int min_bufs; int ret; fimc_hw_reset(fimc); + vid_cap->frame_count = 0; - ret = v4l2_subdev_call(fimc->vid_cap.sd, video, s_stream, 1); - if (ret && ret != -ENOIOCTLCMD) - goto error; - - ret = fimc_prepare_config(ctx, ctx->state); + ret = fimc_init_capture(fimc); if (ret) goto error; - isp_info = &fimc->pdata->isp_info[fimc->vid_cap.input_index]; - fimc_hw_set_camera_type(fimc, isp_info); - fimc_hw_set_camera_source(fimc, isp_info); - fimc_hw_set_camera_offset(fimc, &ctx->s_frame); - - if (ctx->state & FIMC_PARAMS) { - ret = fimc_set_scaler_info(ctx); - if (ret) { - err("Scaler setup error"); - goto error; - } - fimc_hw_set_input_path(ctx); - fimc_hw_set_prescaler(ctx); - fimc_hw_set_mainscaler(ctx); - fimc_hw_set_target_format(ctx); - fimc_hw_set_rotation(ctx); - fimc_hw_set_effect(ctx); - } - - fimc_hw_set_output_path(ctx); - fimc_hw_set_out_dma(ctx); - - INIT_LIST_HEAD(&fimc->vid_cap.pending_buf_q); - INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q); - fimc->vid_cap.frame_count = 0; - fimc->vid_cap.buf_index = 0; - set_bit(ST_CAPT_PEND, &fimc->state); min_bufs = fimc->vid_cap.reqbufs_count > 1 ? 2 : 1; diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index c7ce93457a9b..c5e41355b6e2 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -476,7 +476,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, } /* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */ -static void fimc_set_yuv_order(struct fimc_ctx *ctx) +void fimc_set_yuv_order(struct fimc_ctx *ctx) { /* The one only mode supported in SoC. */ ctx->in_order_2p = S5P_FIMC_LSB_CRCB; @@ -518,7 +518,7 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx) dbg("ctx->out_order_1p= %d", ctx->out_order_1p); } -static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f) +void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f) { struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; u32 i, depth = 0; diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index 87a89f1a81ba..1d2cfda5edb1 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -663,6 +663,9 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx); int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags); int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, struct fimc_frame *frame, struct fimc_addr *paddr); +void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f); +void fimc_set_yuv_order(struct fimc_ctx *ctx); + int fimc_register_m2m_device(struct fimc_dev *fimc, struct v4l2_device *v4l2_dev); void fimc_unregister_m2m_device(struct fimc_dev *fimc); -- cgit v1.2.3