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Commit d1e92fa3 authored by Jeyaprakash Soundrapandian's avatar Jeyaprakash Soundrapandian
Browse files

msm: camera: isp: override hardware reset with software reset 



Override the hardware reset with software reset due to
hardware limitation.

Change-Id: I98fc5af09a11e4a645da35229cbb62277a4805ce
Signed-off-by: default avatarJeyaprakash Soundrapandian <jsoundra@codeaurora.org>
parent 51cfd1ad

drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/isp_hw/vfe_hw/vfe_top/cam_vfe_top_ver3.c

+14 −3
Original line number Original line Diff line number Diff line
@@ -13,7 +13,8 @@ 
#include "cam_cpas_api.h"

#include "cam_cpas_api.h"

#include "cam_vfe_soc.h"

#include "cam_vfe_soc.h"





#define CAM_VFE_VER3_HW_RESET_HW_AND_REG_VAL  0xFFFF03FF

#define CAM_VFE_HW_RESET_HW_AND_REG_VAL  0x00000003

#define CAM_VFE_HW_RESET_HW_VAL          0x007F0000

#define CAM_VFE_DELAY_BW_REDUCTION_NUM_FRAMES 3

#define CAM_VFE_DELAY_BW_REDUCTION_NUM_FRAMES 3





struct cam_vfe_top_ver3_common_data {

struct cam_vfe_top_ver3_common_data {
@@ -427,14 +428,24 @@ int cam_vfe_top_ver3_reset(void *device_priv, 
	struct cam_vfe_top_ver3_priv   *top_priv = device_priv;

	struct cam_vfe_top_ver3_priv   *top_priv = device_priv;

	struct cam_hw_soc_info         *soc_info = NULL;

	struct cam_hw_soc_info         *soc_info = NULL;

	struct cam_vfe_top_ver3_reg_offset_common *reg_common = NULL;

	struct cam_vfe_top_ver3_reg_offset_common *reg_common = NULL;

	uint32_t *reset_reg_args = reset_core_args;

	uint32_t reset_reg_val;

	uint32_t reset_reg_val;





	if (!top_priv) {

	if (!top_priv || !reset_reg_args) {

		CAM_ERR(CAM_ISP, "Invalid arguments");

		CAM_ERR(CAM_ISP, "Invalid arguments");

		return -EINVAL;

		return -EINVAL;

	}

	}





	reset_reg_val = CAM_VFE_VER3_HW_RESET_HW_AND_REG_VAL;

	switch (*reset_reg_args) {

	case CAM_VFE_HW_RESET_HW_AND_REG:

		reset_reg_val = CAM_VFE_HW_RESET_HW_AND_REG_VAL;

		break;

	default:

		reset_reg_val = CAM_VFE_HW_RESET_HW_VAL;

		break;

	}

	/* override due to hw limitation */

	reset_reg_val = CAM_VFE_HW_RESET_HW_AND_REG_VAL;





	CAM_DBG(CAM_ISP, "reset reg value: %x", reset_reg_val);

	CAM_DBG(CAM_ISP, "reset reg value: %x", reset_reg_val);

	soc_info = top_priv->common_data.soc_info;

	soc_info = top_priv->common_data.soc_info;