Files
android_kernel_samsung_sm86…/drivers/cam_cdm/cam_cdm.h
Li Sha Lim e63d6d6cb3 msm: camera: cdm: Add support for CDM 2.2
Added support for new cdm status register for SM8650.

CRs-Fixed: 3147223
Change-Id: I35392cfb35613a777664e1fae2c24b0150c5b8ef
Signed-off-by: Li Sha Lim <quic_lishlim@quicinc.com>
2022-04-13 17:06:34 -07:00

607 行
20 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef _CAM_CDM_H_
#define _CAM_CDM_H_
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/random.h>
#include <linux/spinlock_types.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <linux/bug.h>
#include "cam_cdm_intf_api.h"
#include "cam_soc_util.h"
#include "cam_cpas_api.h"
#include "cam_hw_intf.h"
#include "cam_hw.h"
#include "cam_debug_util.h"
#define CAM_MAX_SW_CDM_VERSION_SUPPORTED 1
#define CAM_SW_CDM_INDEX 0
#define CAM_CDM_INFLIGHT_WORKS 5
#define CAM_CDM_HW_RESET_TIMEOUT 300
#define CAM_CDM_PAUSE_CORE_US_TIMEOUT 10000
/*
* Macros to get prepare and get information
* from client CDM handles.
*/
#define CAM_CDM_HW_ID_MASK 0xF
#define CAM_CDM_HW_ID_SHIFT 0x10
#define CAM_CDM_CLIENTS_ID_MASK 0xFF
#define CAM_CDM_BL_FIFO_ID_MASK 0xF
#define CAM_CDM_BL_FIFO_ID_SHIFT 0x8
#define CAM_CDM_GET_HW_IDX(x) (((x) >> CAM_CDM_HW_ID_SHIFT) & \
CAM_CDM_HW_ID_MASK)
#define CAM_CDM_GET_BLFIFO_IDX(x) (((x) >> CAM_CDM_BL_FIFO_ID_SHIFT) & \
CAM_CDM_BL_FIFO_ID_MASK)
#define CAM_CDM_CREATE_CLIENT_HANDLE(hw_idx, priority, client_idx) \
((((hw_idx) & CAM_CDM_HW_ID_MASK) << CAM_CDM_HW_ID_SHIFT) | \
(((priority) & CAM_CDM_BL_FIFO_ID_MASK) << CAM_CDM_BL_FIFO_ID_SHIFT)| \
((client_idx) & CAM_CDM_CLIENTS_ID_MASK))
#define CAM_CDM_GET_CLIENT_IDX(x) ((x) & CAM_CDM_CLIENTS_ID_MASK)
#define CAM_PER_CDM_MAX_REGISTERED_CLIENTS (CAM_CDM_CLIENTS_ID_MASK + 1)
#define CAM_CDM_INTF_MGR_MAX_SUPPORTED_CDM (CAM_CDM_HW_ID_MASK + 1)
/* Number of FIFO supported on CDM */
#define CAM_CDM_NUM_BL_FIFO 0x4
#define CAM_CDM_NUM_TEST_BUS 16
/* Max number of register set for different CDM */
#define CAM_CDM_BL_FIFO_REG_NUM 0x4
#define CAM_CDM_BL_FIFO_IRQ_REG_NUM 0x4
#define CAM_CDM_BL_FIFO_PENDING_REQ_REG_NUM 0x2
#define CAM_CDM_SCRATCH_REG_NUM 0xc
#define CAM_CDM_COMP_WAIT_STATUS_REG_NUM 0x2
#define CAM_CDM_PERF_MON_REG_NUM 0x2
/* BL_FIFO configurations*/
#define CAM_CDM_BL_FIFO_LENGTH_MAX_DEFAULT 0x40
#define CAM_CDM_BL_FIFO_LENGTH_CFG_SHIFT 0x10
#define CAM_CDM_BL_FIFO_FLUSH_SHIFT 0x3
#define CAM_CDM_BL_FIFO_REQ_SIZE_MAX 0x00
#define CAM_CDM_BL_FIFO_REQ_SIZE_MAX_DIV2 0x01
#define CAM_CDM_BL_FIFO_REQ_SIZE_MAX_DIV4 0x10
#define CAM_CDM_BL_FIFO_REQ_SIZE_MAX_DIV8 0x11
/* CDM core status bitmap */
#define CAM_CDM_HW_INIT_STATUS 0x0
#define CAM_CDM_FIFO_0_BLDONE_STATUS 0x0
#define CAM_CDM_FIFO_1_BLDONE_STATUS 0x1
#define CAM_CDM_FIFO_2_BLDONE_STATUS 0x2
#define CAM_CDM_FIFO_3_BLDONE_STATUS 0x3
#define CAM_CDM_RESET_HW_STATUS 0x4
#define CAM_CDM_ERROR_HW_STATUS 0x5
#define CAM_CDM_FLUSH_HW_STATUS 0x6
#define CAM_CDM_RESET_ERR_STATUS 0x7
#define CAM_CDM_PF_HW_STATUS 0x8
/* Curent used AHB masks and shifts */
#define CAM_CDM_AHB_LOG_CID_SHIFT 28
#define CAM_CDM_AHB_LOG_CID_MASK 0X30000000
#define CAM_CDM_AHB_ADDR_MASK 0x00FFFFFF
/* Invalid command status register's masks and shifts */
#define CAM_CDM_ICL_STATUS_LAST_CID_SHIFT 4
#define CAM_CDM_ICL_STATUS_LAST_CID_MASK 0X30
#define CAM_CDM_ICL_STATUS_INV_CID_MASK 0x03
/* Core_cfg register's masks and shifts */
#define CAM_CDM_CORE_CFG_PRIORITY_MASK 0XF00000
#define CAM_CDM_CORE_CFG_PRIORITY_SHIFT 20
#define CAM_CDM_CORE_CFG_IMPLICIT_WAIT_EN_MASK 0x20000
#define CAM_CDM_CORE_CFG_ARB_SEL_RR_MASK 0x10000
#define CAM_CDM_CORE_CFG_AHB_STOP_ON_ERR_MASK 0x100
#define CAM_CDM_CORE_CFG_AHB_BURST_EN_MASK 0x10
#define CAM_CDM_CORE_CFG_AHB_BURST_LEN_MASK 0x0F
/* Core enable register masks and shifts */
#define CAM_CDM_CORE_EN_MASK 0x1
#define CAM_CDM_CORE_PAUSE_MASK 0X2
/* Core Debug register masks and shifts */
#define CAM_CDM_CORE_DBG_TEST_BUS_EN_MASK 0X01
#define CAM_CDM_CORE_DBG_TEST_BUS_SEL_MASK 0XF0
#define CAM_CDM_CORE_DBG_TEST_BUS_SEL_SHIFT 4
#define CAM_CDM_CORE_DBG_LOG_AHB_MASK 0X100
#define CAM_CDM_CORE_DBG_LOG_SHIFT 8
#define CAM_CDM_CORE_DBG_FIFO_RB_EN_MASK 0x10000
#define CAM_CDM_CORE_DBG_FIFO_RB_EN_SHIFT 16
/* Curent BL command masks and shifts */
#define CAM_CDM_CURRENT_BL_LEN 0xFFFFF
#define CAM_CDM_CURRENT_BL_ARB 0x100000
#define CAM_CDM_CURRENT_BL_FIFO 0xC00000
#define CAM_CDM_CURRENT_BL_TAG 0xFF000000
#define CAM_CDM_CURRENT_BL_ARB_SHIFT 0x14
#define CAM_CDM_CURRENT_BL_FIFO_SHIFT 0x16
#define CAM_CDM_CURRENT_BL_TAG_SHIFT 0x18
/* IRQ bit-masks */
#define CAM_CDM_IRQ_STATUS_RST_DONE_MASK 0x1
#define CAM_CDM_IRQ_STATUS_INLINE_IRQ_MASK 0x2
#define CAM_CDM_IRQ_STATUS_BL_DONE_MASK 0x4
#define CAM_CDM_IRQ_STATUS_ERROR_INV_CMD_MASK 0x10000
#define CAM_CDM_IRQ_STATUS_ERROR_OVER_FLOW_MASK 0x20000
#define CAM_CDM_IRQ_STATUS_ERROR_AHB_BUS_MASK 0x40000
#define CAM_CDM_IRQ_STATUS_USR_DATA_MASK 0xFF
#define CAM_CDM_IRQ_STATUS_ERRORS \
(CAM_CDM_IRQ_STATUS_ERROR_INV_CMD_MASK | \
CAM_CDM_IRQ_STATUS_ERROR_OVER_FLOW_MASK | \
CAM_CDM_IRQ_STATUS_ERROR_AHB_BUS_MASK)
/* Structure to store hw version info */
struct cam_version_reg {
uint32_t hw_version;
};
/**
* struct cam_cdm_irq_regs - CDM IRQ registers
*
* @irq_mask: register offset for irq_mask
* @irq_clear: register offset for irq_clear
* @irq_clear_cmd: register offset to initiate irq clear
* @irq_set: register offset to set irq
* @irq_set_cmd: register offset to issue set_irq from irq_set
* @irq_status: register offset to look which irq is received
*/
struct cam_cdm_irq_regs {
uint32_t irq_mask;
uint32_t irq_clear;
uint32_t irq_clear_cmd;
uint32_t irq_set;
uint32_t irq_set_cmd;
uint32_t irq_status;
};
/**
* struct cam_cdm_bl_fifo_regs - BL_FIFO registers
*
* @bl_fifo_base: register offset to write bl_cmd base address
* @bl_fifo_len: register offset to write bl_cmd length
* @bl_fifo_store: register offset to commit the BL cmd
* @bl_fifo_cfg: register offset to config BL_FIFO depth, etc.
*/
struct cam_cdm_bl_fifo_regs {
uint32_t bl_fifo_base;
uint32_t bl_fifo_len;
uint32_t bl_fifo_store;
uint32_t bl_fifo_cfg;
};
/**
* struct cam_cdm_bl_pending_req_reg_params - BL_FIFO pending registers
*
* @rb_offset: register offset pending bl request in BL_FIFO
* @rb_mask: mask to get number of pending BLs in BL_FIFO
* @rb_num_fifo: number of BL_FIFO's information in the register
* @rb_next_fifo_shift: shift to get next fifo's pending BLs.
*/
struct cam_cdm_bl_pending_req_reg_params {
uint32_t rb_offset;
uint32_t rb_mask;
uint32_t rb_num_fifo;
uint32_t rb_next_fifo_shift;
};
/**
* struct cam_cdm_scratch_reg - scratch register
*
* @scratch_reg: offset of scratch register
*/
struct cam_cdm_scratch_reg {
uint32_t scratch_reg;
};
/* struct cam_cdm_perf_mon_regs - perf_mon registers */
struct cam_cdm_perf_mon_regs {
uint32_t perf_mon_ctrl;
uint32_t perf_mon_0;
uint32_t perf_mon_1;
uint32_t perf_mon_2;
};
/**
* struct cam_cdm_perf_mon_regs - perf mon counter's registers
*
* @count_cfg_0: register offset to configure perf measures
* @always_count_val: register offset for always count value
* @busy_count_val: register offset to get busy count
* @stall_axi_count_val: register offset to get axi stall counts
* @count_status: register offset to know if count status finished
* for stall, busy and always.
*/
struct cam_cdm_perf_regs {
uint32_t count_cfg_0;
uint32_t always_count_val;
uint32_t busy_count_val;
uint32_t stall_axi_count_val;
uint32_t count_status;
};
/**
* struct cam_cdm_icl_data_regs - CDM icl data registers
*
* @icl_last_data_0: register offset to log last known good command
* @icl_last_data_1: register offset to log last known good command 1
* @icl_last_data_2: register offset to log last known good command 2
* @icl_inv_data: register offset to log CDM cmd that triggered
* invalid command.
*/
struct cam_cdm_icl_data_regs {
uint32_t icl_last_data_0;
uint32_t icl_last_data_1;
uint32_t icl_last_data_2;
uint32_t icl_inv_data;
};
/**
* struct cam_cdm_icl_misc_regs - CDM icl misc registers
*
* @icl_inv_bl_addr: register offset to give address of bl_cmd that
* gave invalid command
* @icl_status: register offset for context that gave good BL
* command and invalid command.
*/
struct cam_cdm_icl_misc_regs {
uint32_t icl_inv_bl_addr;
uint32_t icl_status;
};
/**
* struct cam_cdm_icl_regs - CDM icl registers
*
* @data_regs: structure with registers of all cdm good and invalid
* BL command information.
* @misc_regs: structure with registers for invalid command address
* and context
*/
struct cam_cdm_icl_regs {
struct cam_cdm_icl_data_regs *data_regs;
struct cam_cdm_icl_misc_regs *misc_regs;
};
/**
* struct cam_cdm_comp_wait_status - BL_FIFO comp_event status register
*
* @comp_wait_status: register offset to give information on whether the
* CDM is waiting for an event from another module
*/
struct cam_cdm_comp_wait_status {
uint32_t comp_wait_status;
};
/**
* struct cam_cdm_common_reg_data - structure for register data
*
* @num_bl_fifo: number of FIFO are there in CDM
* @num_bl_fifo_irq: number of FIFO irqs in CDM
* @num_bl_pending_req_reg: number of pending_requests register in CDM
* @num_scratch_reg: number of scratch registers in CDM
*/
struct cam_cdm_common_reg_data {
uint32_t num_bl_fifo;
uint32_t num_bl_fifo_irq;
uint32_t num_bl_pending_req_reg;
uint32_t num_scratch_reg;
};
/**
* struct cam_cdm_common_regs - common structure to get common registers
* of CDM
*
* @cdm_hw_version: offset to read cdm_hw_version
* @cam_version: offset to read the camera Titan architecture version
* @rst_cmd: offset to reset the CDM
* @cgc_cfg: offset to configure CDM CGC logic
* @core_cfg: offset to configure CDM core with ARB_SEL, implicit
* wait, etc.
* @core_en: offset to pause/enable CDM
* @fe_cfg: offset to configure CDM fetch engine
* @cdm_status: offset to read CDM status register, this register
* indicates if CDM is idle, and if a pause operation
* is successfully completed or not
* @irq_context_status offset to read back irq context status
* @bl_fifo_rb: offset to set BL_FIFO read back
* @bl_fifo_base_rb: offset to read back base address on offset set by
* bl_fifo_rb
* @bl_fifo_len_rb: offset to read back base len and tag on offset set by
* bl_fifo_rb
* @usr_data: offset to read user data from GEN_IRQ commands
* @wait_status: offset to read status for last WAIT command
* @last_ahb_addr: offset to read back last AHB address generated by CDM
* @last_ahb_data: offset to read back last AHB data generated by CDM
* @core_debug: offset to configure CDM debug bus and debug features
* @last_ahb_err_addr: offset to read back last AHB Error address generated
* by CDM
* @last_ahb_err_data: offset to read back last AHB Error data generated
* by CDM
* @current_bl_base: offset to read back current command buffer BASE address
* value out of BL_FIFO
* @current_bl_len: offset to read back current command buffer len, TAG,
* context ID ARB value out of BL_FIFO
* @current_used_ahb_base: offset to read back current base address used by
* CDM to access camera register
* @debug_status: offset to read back current CDM status
* @bus_misr_cfg0: offset to enable bus MISR and configure sampling mode
* @bus_misr_cfg1: offset to select from one of the six MISR's for reading
* signature value
* @bus_misr_rd_val: offset to read MISR signature
* @pending_req: registers to read pending request in FIFO
* @comp_wait: registers to read comp_event CDM is waiting for
* @perf_mon: registers to read perf_mon information
* @scratch: registers to read scratch register value
* @perf_reg: registers to read performance counters value
* @icl_reg: registers to read information related to good
* and invalid commands in FIFO
* @spare: spare register
* @priority_group_bit_offset offset of priority group bits
*
*/
struct cam_cdm_common_regs {
uint32_t cdm_hw_version;
const struct cam_version_reg *cam_version;
uint32_t rst_cmd;
uint32_t cgc_cfg;
uint32_t core_cfg;
uint32_t core_en;
uint32_t fe_cfg;
uint32_t cdm_status;
uint32_t irq_context_status;
uint32_t bl_fifo_rb;
uint32_t bl_fifo_base_rb;
uint32_t bl_fifo_len_rb;
uint32_t usr_data;
uint32_t wait_status;
uint32_t last_ahb_addr;
uint32_t last_ahb_data;
uint32_t core_debug;
uint32_t last_ahb_err_addr;
uint32_t last_ahb_err_data;
uint32_t current_bl_base;
uint32_t current_bl_len;
uint32_t current_used_ahb_base;
uint32_t debug_status;
uint32_t bus_misr_cfg0;
uint32_t bus_misr_cfg1;
uint32_t bus_misr_rd_val;
const struct cam_cdm_bl_pending_req_reg_params
*pending_req[CAM_CDM_BL_FIFO_PENDING_REQ_REG_NUM];
const struct cam_cdm_comp_wait_status
*comp_wait[CAM_CDM_COMP_WAIT_STATUS_REG_NUM];
const struct cam_cdm_perf_mon_regs
*perf_mon[CAM_CDM_PERF_MON_REG_NUM];
const struct cam_cdm_scratch_reg
*scratch[CAM_CDM_SCRATCH_REG_NUM];
const struct cam_cdm_perf_regs *perf_reg;
const struct cam_cdm_icl_regs *icl_reg;
uint32_t spare;
uint32_t priority_group_bit_offset;
};
/**
* struct cam_cdm_hw_reg_offset - BL_FIFO comp_event status register
*
* @cmn_reg: pointer to structure to get common registers of a CDM
* @bl_fifo_reg: pointer to structure to get BL_FIFO registers of a CDM
* @irq_reg: pointer to structure to get IRQ registers of a CDM
* @reg_data: pointer to structure to reg_data related to CDM
* registers
*/
struct cam_cdm_hw_reg_offset {
const struct cam_cdm_common_regs *cmn_reg;
const struct cam_cdm_bl_fifo_regs *bl_fifo_reg[CAM_CDM_BL_FIFO_REG_NUM];
const struct cam_cdm_irq_regs *irq_reg[CAM_CDM_BL_FIFO_IRQ_REG_NUM];
const struct cam_cdm_common_reg_data *reg_data;
};
/* enum cam_cdm_hw_process_intf_cmd - interface commands.*/
enum cam_cdm_hw_process_intf_cmd {
CAM_CDM_HW_INTF_CMD_ACQUIRE,
CAM_CDM_HW_INTF_CMD_RELEASE,
CAM_CDM_HW_INTF_CMD_SUBMIT_BL,
CAM_CDM_HW_INTF_CMD_RESET_HW,
CAM_CDM_HW_INTF_CMD_FLUSH_HW,
CAM_CDM_HW_INTF_CMD_HANDLE_ERROR,
CAM_CDM_HW_INTF_CMD_HANG_DETECT,
CAM_CDM_HW_INTF_DUMP_DBG_REGS,
CAM_CDM_HW_INTF_CMD_INVALID,
};
/* enum cam_cdm_flags - Bit fields for CDM flags used */
enum cam_cdm_flags {
CAM_CDM_FLAG_SHARED_CDM,
CAM_CDM_FLAG_PRIVATE_CDM,
};
/* enum cam_cdm_type - Enum for possible CAM CDM types */
enum cam_cdm_type {
CAM_VIRTUAL_CDM,
CAM_HW_CDM,
};
/* enum cam_cdm_mem_base_index - Enum for possible CAM CDM types */
enum cam_cdm_mem_base_index {
CAM_HW_CDM_BASE_INDEX,
CAM_HW_CDM_MAX_INDEX = CAM_SOC_MAX_BLOCK,
};
/* enum cam_cdm_bl_cb_type - Enum for possible CAM CDM cb request types */
enum cam_cdm_bl_cb_type {
CAM_HW_CDM_BL_CB_CLIENT = 1,
CAM_HW_CDM_BL_CB_INTERNAL,
};
/* enum cam_cdm_arbitration - Enum type of arbitration */
enum cam_cdm_arbitration {
CAM_CDM_ARBITRATION_NONE,
CAM_CDM_ARBITRATION_ROUND_ROBIN,
CAM_CDM_ARBITRATION_PRIORITY_BASED,
CAM_CDM_ARBITRATION_MAX,
};
enum cam_cdm_hw_version {
CAM_CDM_VERSION = 0,
CAM_CDM_VERSION_1_0 = 0x10000000,
CAM_CDM_VERSION_1_1 = 0x10010000,
CAM_CDM_VERSION_1_2 = 0x10020000,
CAM_CDM_VERSION_2_0 = 0x20000000,
CAM_CDM_VERSION_2_1 = 0x20010000,
CAM_CDM_VERSION_2_2 = 0x20020000,
CAM_CDM_VERSION_MAX,
};
/* struct cam_cdm_client - struct for cdm clients data.*/
struct cam_cdm_client {
struct cam_cdm_acquire_data data;
void __iomem *changebase_addr;
uint32_t stream_on;
uint32_t refcount;
struct mutex lock;
uint32_t handle;
};
/* struct cam_cdm_work_payload - struct for cdm work payload data.*/
struct cam_cdm_work_payload {
struct cam_hw_info *hw;
uint32_t irq_status;
uint32_t irq_data;
int fifo_idx;
ktime_t workq_scheduled_ts;
struct work_struct work;
};
/* struct cam_cdm_bl_cb_request_entry - callback entry for work to process.*/
struct cam_cdm_bl_cb_request_entry {
uint8_t bl_tag;
enum cam_cdm_bl_cb_type request_type;
uint32_t client_hdl;
void *userdata;
uint32_t cookie;
struct list_head entry;
};
/* struct cam_cdm_hw_intf_cmd_submit_bl - cdm interface submit command.*/
struct cam_cdm_hw_intf_cmd_submit_bl {
uint32_t handle;
struct cam_cdm_bl_request *data;
};
/* struct cam_cdm_bl_fifo - CDM hw memory struct */
struct cam_cdm_bl_fifo {
struct completion bl_complete;
struct workqueue_struct *work_queue;
struct list_head bl_request_list;
struct mutex fifo_lock;
uint8_t bl_tag;
uint32_t bl_depth;
uint8_t last_bl_tag_done;
atomic_t work_record;
};
/**
* struct cam_cdm - CDM hw device struct
*
* @index: index of CDM hardware
* @name: cdm_name
* @id: enum for possible CDM hardwares
* @flags: enum to tell if CDM is private of shared
* @reset_complete: completion event to make CDM wait for reset
* @work_queue: workqueue to schedule work for virtual CDM
* @bl_request_list: bl_request list for submitted commands in
* virtual CDM
* @version: CDM version with major, minor, incr and reserved
* @hw_version: CDM version as read from the cdm_version register
* @hw_family_version: version of hw family the CDM belongs to
* @iommu_hdl: CDM iommu handle
* @offsets: pointer to structure of CDM registers
* @ops: CDM ops for generating cdm commands
* @clients: CDM clients array currently active on CDM
* @bl_fifo: structure with per fifo related attributes
* @cdm_status: bitfield with bits assigned for different cdm status
* @bl_tag: slot value at which the next bl cmd will be written
* in case of virtual CDM
* @gen_irq: memory region in which gen_irq command will be written
* @cpas_handle: handle for cpas driver
* @arbitration: type of arbitration to be used for the CDM
* @num_active_clients: Number of currently active clients
*/
struct cam_cdm {
uint32_t index;
char name[128];
enum cam_cdm_id id;
enum cam_cdm_flags flags;
struct completion reset_complete;
struct workqueue_struct *work_queue;
struct list_head bl_request_list;
struct cam_hw_version version;
uint32_t hw_version;
uint32_t hw_family_version;
struct cam_iommu_handle iommu_hdl;
struct cam_cdm_hw_reg_offset *offsets;
struct cam_cdm_utils_ops *ops;
struct cam_cdm_client *clients[CAM_PER_CDM_MAX_REGISTERED_CLIENTS];
struct cam_cdm_bl_fifo bl_fifo[CAM_CDM_BL_FIFO_MAX];
unsigned long cdm_status;
uint8_t bl_tag;
uint32_t cpas_handle;
enum cam_cdm_arbitration arbitration;
uint8_t num_active_clients;
};
/* struct cam_cdm_private_dt_data - CDM hw custom dt data */
struct cam_cdm_private_dt_data {
bool dt_cdm_shared;
bool config_fifo;
bool is_single_ctx_cdm;
uint8_t priority_group;
uint32_t fifo_depth[CAM_CDM_BL_FIFO_MAX];
uint32_t dt_num_supported_clients;
uint32_t pid;
uint32_t mid;
const char *dt_cdm_client_name[CAM_PER_CDM_MAX_REGISTERED_CLIENTS];
};
/* struct cam_cdm_intf_devices - CDM mgr interface devices */
struct cam_cdm_intf_devices {
struct mutex lock;
uint32_t refcount;
struct cam_hw_intf *device;
struct cam_cdm_private_dt_data *data;
};
/* struct cam_cdm_intf_mgr - CDM mgr interface device struct */
struct cam_cdm_intf_mgr {
bool probe_done;
uint32_t cdm_count;
uint32_t dt_supported_hw_cdm;
int32_t refcount;
struct cam_cdm_intf_devices nodes[CAM_CDM_INTF_MGR_MAX_SUPPORTED_CDM];
struct dentry *dentry;
};
int cam_cdm_intf_register_hw_cdm(struct cam_hw_intf *hw,
struct cam_cdm_private_dt_data *data, enum cam_cdm_type type,
uint32_t *index);
int cam_cdm_intf_deregister_hw_cdm(struct cam_hw_intf *hw,
struct cam_cdm_private_dt_data *data, enum cam_cdm_type type,
uint32_t index);
#endif /* _CAM_CDM_H_ */