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Commit 7a55bd37 authored by kartanan's avatar kartanan
Browse files

msm:camera: Add functionality to dump memory state 



Dumps the memory state for the entire mapped region for CSIPHY

Change-Id: I45fe2b2cd324dc487089769066f14648fcaf424d
Signed-off-by: default avatarkartanan <kartanan@codeaurora.org>
parent 2a84a6a4

drivers/media/platform/msm/camera/cam_sensor_module/cam_csiphy/cam_csiphy_soc.c

+23 −0
Original line number Diff line number Diff line
@@ -14,6 +14,29 @@ 
#include "cam_csiphy_core.h"

#include "include/cam_csiphy_1_0_hwreg.h"



#ifdef CAM_CSIPHY_MEM_DMP

int32_t cam_csiphy_mem_dmp(struct cam_hw_soc_info *soc_info)

{

	int32_t rc = 0;

	resource_size_t size = 0;

	void __iomem *addr = NULL;



	if (!soc_info) {

		rc = -EINVAL;

		CAM_ERR(CAM_CSIPHY, "invalid input %d", rc);

		return rc;

	}

	addr = soc_info->reg_map[0].mem_base;

	size = resource_size(soc_info->mem_block[0]);

	rc = cam_io_dump(addr, 0, (size >> 2));

	if (rc < 0) {

		CAM_ERR(CAM_CSIPHY, "generating dump failed %d", rc);

		return rc;

	}

	return rc;

}

#endif



int32_t cam_csiphy_enable_hw(struct csiphy_device *csiphy_dev)

{

	int32_t rc = 0;

drivers/media/platform/msm/camera/cam_sensor_module/cam_csiphy/cam_csiphy_soc.h

+8 −0
Original line number Diff line number Diff line
@@ -67,4 +67,12 @@ int cam_csiphy_enable_hw(struct csiphy_device *csiphy_dev); 
 */

int cam_csiphy_disable_hw(struct csiphy_device *csiphy_dev);



/**

 * @soc_info: Soc info of cam hw driver module

 *

 * This API dumps memory for the entire mapped region

 * (needs to be macro enabled before use)

 */

int cam_csiphy_mem_dmp(struct cam_hw_soc_info *soc_info);



#endif /* _CAM_CSIPHY_SOC_H_ */

drivers/media/platform/msm/camera/cam_utils/cam_io_util.c

+2 −2
Original line number Diff line number Diff line
@@ -262,11 +262,11 @@ int cam_io_dump(void __iomem *base_addr, uint32_t start_offset, int size) 
		if (i % NUM_REGISTER_PER_LINE == 0) {

			snprintf(p_str, 12, "0x%08x: ",

				REG_OFFSET(start_offset, i));

			p_str += 12;

			p_str += 11;

		}

		data = readl_relaxed(base_addr + REG_OFFSET(start_offset, i));

		snprintf(p_str, 9, "%08x ", data);

		p_str += 9;

		p_str += 8;

		if ((i + 1) % NUM_REGISTER_PER_LINE == 0) {

			CAM_ERR(CAM_UTIL, "%s", line_str);

			line_str[0] = '\0';