Merge "msm: camera: sensor: Dump phy registers on error" into camera-kernel.lnx.1.0 (b41889a8) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/cam_isp/isp_hw_mgr/isp_hw/ife_csid_hw/cam_ife_csid_core.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -7,7 +7,7 @@
		#include <linux/slab.h>
		#include <uapi/media/cam_isp.h>
		#include <uapi/media/cam_defs.h>

		#include <media/cam_req_mgr.h>
		#include <dt-bindings/msm/msm-camera.h>

		#include "cam_isp_hw_mgr_intf.h"
		@@ -18,6 +18,7 @@
		#include "cam_debug_util.h"
		#include "cam_cpas_api.h"
		#include "cam_tasklet_util.h"
		#include "cam_subdev.h"

		/* Timeout value in msec */
		#define IFE_CSID_TIMEOUT 1000
		@@ -1720,6 +1721,9 @@ static void cam_ife_csid_halt_csi2(
		csid_reg->csi2_reg->csid_csi2_rx_cfg0_addr);
		cam_io_w_mb(0, soc_info->reg_map[0].mem_base +
		csid_reg->csi2_reg->csid_csi2_rx_cfg1_addr);
		cam_subdev_notify_message(CAM_CSIPHY_DEVICE_TYPE,
		CAM_SUBDEV_MESSAGE_IRQ_ERR,
		csid_hw->csi2_rx_cfg.phy_sel);
		}

		static int cam_ife_csid_init_config_pxl_path(

+19 −1

Original line number	Diff line number	Diff line
		@@ -643,6 +643,24 @@ void cam_register_subdev_fops(struct v4l2_file_operations *fops)
		}
		EXPORT_SYMBOL(cam_register_subdev_fops);

		void cam_subdev_notify_message(u32 subdev_type,
		enum cam_subdev_message_type_t message_type,
		uint32_t data)
		{
		struct v4l2_subdev *sd = NULL;
		struct cam_subdev *csd = NULL;

		list_for_each_entry(sd, &g_dev.v4l2_dev->subdevs, list) {
		sd->entity.name = video_device_node_name(sd->devnode);
		if (sd->entity.function == subdev_type) {
		csd = container_of(sd, struct cam_subdev, sd);
		if (csd->msg_cb != NULL)
		csd->msg_cb(sd, message_type, data);
		}
		}
		}
		EXPORT_SYMBOL(cam_subdev_notify_message);

		int cam_register_subdev(struct cam_subdev *csd)
		{
		struct v4l2_subdev *sd;
		@@ -671,7 +689,7 @@ int cam_register_subdev(struct cam_subdev *csd)
		sd = &csd->sd;
		v4l2_subdev_init(sd, csd->ops);
		sd->internal_ops = csd->internal_ops;
		snprintf(sd->name, ARRAY_SIZE(sd->name), csd->name);
		snprintf(sd->name, V4L2_SUBDEV_NAME_SIZE, "%s", csd->name);
		v4l2_set_subdevdata(sd, csd->token);

		sd->flags = csd->sd_flags;

+24 −1

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		*/

		#ifndef _CAM_SUBDEV_H_
		@@ -16,6 +16,10 @@

		#define CAM_SUBDEVICE_EVENT_MAX 30

		enum cam_subdev_message_type_t {
		CAM_SUBDEV_MESSAGE_IRQ_ERR = 0x1
		};

		/**
		* struct cam_subdev - describes a camera sub-device
		*
		@@ -34,6 +38,7 @@
		* @ent_function: Media entity function type. Can be:
		* %CAM_IFE_DEVICE_TYPE - identifies as IFE device.
		* %CAM_ICP_DEVICE_TYPE - identifies as ICP device.
		* @msg_cb: Pointer to the callback function to dump PHY status.
		*
		* Each instance of a subdev driver should create this struct, either
		* stand-alone or embedded in a larger struct. This structure should be
		@@ -49,8 +54,26 @@ struct cam_subdev {
		u32 sd_flags;
		void *token;
		u32 ent_function;
		void (*msg_cb)(
		struct v4l2_subdev *sd,
		enum cam_subdev_message_type_t msg_type,
		uint32_t data);
		};

		/**
		* cam_subdev_notify_message()
		*
		* @brief: Notify message to a subdevs of specific type
		*
		* @subdev_type: Subdev type
		* @message_type: message type
		* @data: data to be delivered.
		*
		*/
		void cam_subdev_notify_message(u32 subdev_type,
		enum cam_subdev_message_type_t message_type,
		uint32_t data);

		/**
		* cam_subdev_probe()
		*

+22 −1

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		*/

		#include "cam_csiphy_dev.h"
		@@ -9,6 +9,25 @@
		#include "cam_csiphy_core.h"
		#include <media/cam_sensor.h>

		static void cam_csiphy_subdev_handle_message(
		struct v4l2_subdev *sd,
		enum cam_subdev_message_type_t message_type,
		uint32_t data)
		{
		struct csiphy_device *csiphy_dev = v4l2_get_subdevdata(sd);

		switch (message_type) {
		case CAM_SUBDEV_MESSAGE_IRQ_ERR:
		CAM_INFO(CAM_CSIPHY, "subdev index : %d CSIPHY index: %d",
		csiphy_dev->soc_info.index, data);
		if (data == csiphy_dev->soc_info.index)
		cam_csiphy_status_dmp(csiphy_dev);
		break;
		default:
		break;
		}
		}

		static long cam_csiphy_subdev_ioctl(struct v4l2_subdev *sd,
		unsigned int cmd, void *arg)
		{
		@@ -148,6 +167,8 @@ static int32_t cam_csiphy_platform_probe(struct platform_device *pdev)
		(V4L2_SUBDEV_FL_HAS_DEVNODE \| V4L2_SUBDEV_FL_HAS_EVENTS);
		new_csiphy_dev->v4l2_dev_str.ent_function =
		CAM_CSIPHY_DEVICE_TYPE;
		new_csiphy_dev->v4l2_dev_str.msg_cb =
		cam_csiphy_subdev_handle_message;
		new_csiphy_dev->v4l2_dev_str.token =
		new_csiphy_dev;

+2 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,7 @@ enum cam_csiphy_state {
		* @mipi_csiphy_interrupt_clear0_addr:
		* CSIPhy interrupt clear addr
		* @csiphy_version: CSIPhy Version
		* @csiphy_interrupt_status_size: CSIPhy status register size
		* @csiphy_common_array_size: CSIPhy common array size
		* @csiphy_reset_array_size: CSIPhy reset array size
		* @csiphy_2ph_config_array_size: 2ph settings size
		@@ -108,6 +109,7 @@ struct csiphy_reg_parms_t {
		uint32_t mipi_csiphy_interrupt_mask_addr;
		uint32_t mipi_csiphy_interrupt_clear0_addr;
		uint32_t csiphy_version;
		uint32_t csiphy_interrupt_status_size;
		uint32_t csiphy_common_array_size;
		uint32_t csiphy_reset_array_size;
		uint32_t csiphy_2ph_config_array_size;