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Commit 3d5e5360 authored by Ramesh V's avatar Ramesh V Committed by Gerrit - the friendly Code Review server
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msm: camera: isp: Handle standby mode for B+M 



Handle the Sleep and awake call from backend to
remove ab/ib voting for Mono.

Change-Id: I14d3c81f5d1adf8466a612ba872fc062a65fe3c8
Signed-off-by: default avatarRamesh V <ramev@codeaurora.org>
parent 623814b0

drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c

+18 −9
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@ 
#include "msm_isp_axi_util.h"



#define ISP_SOF_DEBUG_COUNT 0



static int msm_isp_update_dual_HW_ms_info_at_start(

	struct vfe_device *vfe_dev,

	enum msm_vfe_input_src stream_src,
@@ -2186,9 +2185,10 @@ static void msm_isp_update_camif_output_count( 
/*Factor in Q2 format*/

#define ISP_DEFAULT_FORMAT_FACTOR 6

#define ISP_BUS_UTILIZATION_FACTOR 6

static int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev)

int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev,

	enum msm_vfe_hw_state hw_state)

{

	int i, rc = 0;

	int i, rc = 0, frame_src, ms_type;

	struct msm_vfe_axi_stream *stream_info;

	struct msm_vfe_axi_shared_data *axi_data = &vfe_dev->axi_data;

	uint64_t total_pix_bandwidth = 0, total_rdi_bandwidth = 0;
@@ -2197,6 +2197,15 @@ static int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev) 


	for (i = 0; i < VFE_AXI_SRC_MAX; i++) {

		stream_info = &axi_data->stream_info[i];

		frame_src = SRC_TO_INTF(stream_info->stream_src);

		ms_type = vfe_dev->axi_data.src_info[frame_src].

			dual_hw_ms_info.dual_hw_ms_type;

		if (hw_state == HW_STATE_SLEEP) {

			rc = msm_isp_update_bandwidth(

				ISP_VFE0 + vfe_dev->pdev->id, 0, 0);

			return rc;

		}



		if (stream_info->state == ACTIVE ||

			stream_info->state == START_PENDING) {

			if (stream_info->stream_src < RDI_INTF_0) {
@@ -2207,11 +2216,11 @@ static int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev) 
			}

		}

	}



	total_bandwidth = total_pix_bandwidth + total_rdi_bandwidth;

		rc = msm_isp_update_bandwidth(ISP_VFE0 + vfe_dev->pdev->id,

			(total_bandwidth + vfe_dev->hw_info->min_ab),

			(total_bandwidth + vfe_dev->hw_info->min_ib));



	if (rc < 0)

		pr_err("%s: update failed\n", __func__);
@@ -2822,7 +2831,7 @@ static int msm_isp_start_axi_stream(struct vfe_device *vfe_dev, 
			}

		}

	}

	msm_isp_update_stream_bandwidth(vfe_dev);

	msm_isp_update_stream_bandwidth(vfe_dev, stream_cfg_cmd->hw_state);

	vfe_dev->hw_info->vfe_ops.axi_ops.reload_wm(vfe_dev,

		vfe_dev->vfe_base, wm_reload_mask);

	msm_isp_update_camif_output_count(vfe_dev, stream_cfg_cmd);
@@ -3001,7 +3010,7 @@ static int msm_isp_stop_axi_stream(struct vfe_device *vfe_dev, 
	}



	msm_isp_update_camif_output_count(vfe_dev, stream_cfg_cmd);

	msm_isp_update_stream_bandwidth(vfe_dev);

	msm_isp_update_stream_bandwidth(vfe_dev, stream_cfg_cmd->hw_state);



	for (i = 0; i < stream_cfg_cmd->num_streams; i++) {

		stream_info = &axi_data->stream_info[

drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.h

+2 −0
Original line number Diff line number Diff line
@@ -52,6 +52,8 @@ void msm_isp_reset_framedrop(struct vfe_device *vfe_dev, 
int msm_isp_request_axi_stream(struct vfe_device *vfe_dev, void *arg);

void msm_isp_get_avtimer_ts(struct msm_isp_timestamp *time_stamp);

int msm_isp_cfg_axi_stream(struct vfe_device *vfe_dev, void *arg);

int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev,

	enum msm_vfe_hw_state hw_state);

int msm_isp_release_axi_stream(struct vfe_device *vfe_dev, void *arg);

int msm_isp_update_axi_stream(struct vfe_device *vfe_dev, void *arg);

void msm_isp_axi_cfg_update(struct vfe_device *vfe_dev,

drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c

+6 −0
Original line number Diff line number Diff line
@@ -829,6 +829,12 @@ static long msm_isp_ioctl_unlocked(struct v4l2_subdev *sd, 
		rc = msm_isp_cfg_axi_stream(vfe_dev, arg);

		mutex_unlock(&vfe_dev->core_mutex);

		break;

	case VIDIOC_MSM_ISP_CFG_HW_STATE:

		mutex_lock(&vfe_dev->core_mutex);

		rc = msm_isp_update_stream_bandwidth(vfe_dev,

			*(enum msm_vfe_hw_state *)arg);

		mutex_unlock(&vfe_dev->core_mutex);

		break;

	case VIDIOC_MSM_ISP_AXI_HALT:

		mutex_lock(&vfe_dev->core_mutex);

		rc = msm_isp_axi_halt(vfe_dev, arg);

include/uapi/media/msmb_isp.h

+12 −0
Original line number Diff line number Diff line
@@ -330,11 +330,18 @@ enum msm_vfe_axi_stream_cmd { 
	STOP_IMMEDIATELY,

};



enum msm_vfe_hw_state {

	HW_STATE_NONE,

	HW_STATE_SLEEP,

	HW_STATE_AWAKE,

};



struct msm_vfe_axi_stream_cfg_cmd {

	uint8_t num_streams;

	uint32_t stream_handle[VFE_AXI_SRC_MAX];

	enum msm_vfe_axi_stream_cmd cmd;

	uint8_t sync_frame_id_src;

	enum msm_vfe_hw_state hw_state;

};



enum msm_vfe_axi_stream_update_type {
@@ -876,6 +883,7 @@ enum msm_isp_ioctl_cmd_code { 
	MSM_ISP_UNMAP_BUF,

	MSM_ISP_FETCH_ENG_MULTI_PASS_START,

	MSM_ISP_MAP_BUF_START_MULTI_PASS_FE,

	MSM_ISP_CFG_HW_STATE,

};



#define VIDIOC_MSM_VFE_REG_CFG \
@@ -988,4 +996,8 @@ enum msm_isp_ioctl_cmd_code { 
#define VIDIOC_MSM_ISP_MAP_BUF_START_MULTI_PASS_FE \

	_IOWR('V', MSM_ISP_MAP_BUF_START_MULTI_PASS_FE, \

		struct msm_vfe_fetch_eng_multi_pass_start)



#define VIDIOC_MSM_ISP_CFG_HW_STATE \

	_IOWR('V', MSM_ISP_CFG_HW_STATE, \

		struct msm_vfe_axi_stream_cfg_cmd)

#endif /* __MSMB_ISP__ */