704dc07b7b
If there is a stale entry of any event in the CDM, it will end the wait of same event in next request. So, clearing the comp events before each request. CRs-Fixed: 2611231 Change-Id: I252ee5edaea1cda34dc48343dd6bc865b490e977 Signed-off-by: Rishabh Jain <risjai@codeaurora.org>
256 lines
8.5 KiB
C
256 lines
8.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _CAM_CDM_UTIL_H_
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#define _CAM_CDM_UTIL_H_
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/* Max len for tag name for header while dumping cmd buffer*/
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#define CAM_CDM_CMD_TAG_MAX_LEN 32
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#include <linux/types.h>
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enum cam_cdm_command {
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CAM_CDM_CMD_UNUSED = 0x0,
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CAM_CDM_CMD_DMI = 0x1,
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CAM_CDM_CMD_NOT_DEFINED = 0x2,
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CAM_CDM_CMD_REG_CONT = 0x3,
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CAM_CDM_CMD_REG_RANDOM = 0x4,
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CAM_CDM_CMD_BUFF_INDIRECT = 0x5,
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CAM_CDM_CMD_GEN_IRQ = 0x6,
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CAM_CDM_CMD_WAIT_EVENT = 0x7,
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CAM_CDM_CMD_CHANGE_BASE = 0x8,
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CAM_CDM_CMD_PERF_CTRL = 0x9,
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CAM_CDM_CMD_DMI_32 = 0xa,
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CAM_CDM_CMD_DMI_64 = 0xb,
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CAM_CDM_COMP_WAIT = 0xc,
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CAM_CDM_CLEAR_COMP_WAIT = 0xd,
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CAM_CDM_WAIT_PREFETCH_DISABLE = 0xe,
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CAM_CDM_CMD_PRIVATE_BASE = 0xf,
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CAM_CDM_CMD_SWD_DMI_32 = (CAM_CDM_CMD_PRIVATE_BASE + 0x64),
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CAM_CDM_CMD_SWD_DMI_64 = (CAM_CDM_CMD_PRIVATE_BASE + 0x65),
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CAM_CDM_CMD_PRIVATE_BASE_MAX = 0x7F,
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};
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/**
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* struct cam_cdm_utils_ops - Camera CDM util ops
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*
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* @cdm_get_cmd_header_size: Returns the size of the given command header
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* in DWORDs.
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* @command Command ID
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* @return Size of the command in DWORDs
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*
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* @cdm_required_size_reg_continuous: Calculates the size of a reg-continuous
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* command in dwords.
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* @numVals Number of continuous values
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* @return Size in dwords
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*
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* @cdm_required_size_reg_random: Calculates the size of a reg-random command
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* in dwords.
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* @numRegVals Number of register/value pairs
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* @return Size in dwords
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*
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* @cdm_required_size_dmi: Calculates the size of a DMI command in dwords.
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* @return Size in dwords
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*
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* @cdm_required_size_genirq: Calculates size of a Genirq command in dwords.
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* @return Size in dwords
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*
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* @cdm_required_size_indirect: Calculates the size of an indirect command
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* in dwords.
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* @return Size in dwords
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*
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* @cdm_required_size_comp_wait: Calculates the size of a comp-wait command
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* in dwords.
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* @return Size in dwords
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*
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* @cdm_required_size_clear_comp_event: Calculates the size of clear-comp-event
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* command in dwords.
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* @return Size in dwords
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*
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* @cdm_required_size_changebase: Calculates the size of a change-base command
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* in dwords.
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* @return Size in dwords
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*
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* @cdm_offsetof_dmi_addr: Returns the offset of address field in the DMI
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* command header.
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* @return Offset of addr field
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*
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* @cdm_offsetof_indirect_addr: Returns the offset of address field in the
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* indirect command header.
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* @return Offset of addr field
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*
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* @cdm_write_regcontinuous: Writes a command into the command buffer.
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* @pCmdBuffer: Pointer to command buffer
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* @reg: Beginning of the register address range where
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* values will be written.
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* @numVals: Number of values (registers) that will be written
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* @pVals : An array of values that will be written
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* @return Pointer in command buffer pointing past the written commands
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*
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* @cdm_write_regrandom: Writes a command into the command buffer in
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* register/value pairs.
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* @pCmdBuffer: Pointer to command buffer
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* @numRegVals: Number of register/value pairs that will be written
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* @pRegVals: An array of register/value pairs that will be written
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* The even indices are registers and the odd indices
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* arevalues, e.g., {reg1, val1, reg2, val2, ...}.
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* @return Pointer in command buffer pointing past the written commands
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*
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* @cdm_write_dmi: Writes a DMI command into the command bufferM.
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* @pCmdBuffer: Pointer to command buffer
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* @dmiCmd: DMI command
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* @DMIAddr: Address of the DMI
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* @DMISel: Selected bank that the DMI will write to
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* @length: Size of data in bytes
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* @return Pointer in command buffer pointing past the written commands
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*
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* @cdm_write_indirect: Writes a indirect command into the command buffer.
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* @pCmdBuffer: Pointer to command buffer
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* @indirectBufferAddr: Device address of the indirect cmd buffer.
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* @length: Size of data in bytes
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* @return Pointer in command buffer pointing past the written commands
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*
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* @cdm_write_changebase: Writes a changing CDM (address) base command into
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* the command buffer.
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* @pCmdBuffer: Pointer to command buffer
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* @base: New base (device) address
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* @return Pointer in command buffer pointing past the written commands
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*
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* @cdm_write_genirq: Writes a gen irq command into the command buffer.
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* @pCmdBuffer: Pointer to command buffer
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* @userdata: userdata or cookie return by hardware during irq.
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*
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* @cdm_write_wait_comp_event: Writes a wait comp event cmd into the
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* command buffer.
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* @pCmdBuffer: Pointer to command buffer
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* @mask1: This value decides which comp events to wait (0 - 31).
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* @mask2: This value decides which comp events to wait (32 - 65).
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*
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* @cdm_write_clear_comp_event: Writes a clear comp event cmd into the
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* command buffer.
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* @pCmdBuffer: Pointer to command buffer
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* @mask1: This value decides which comp events to clear (0 - 31).
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* @mask2: This value decides which comp events to clear (32 - 65).
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*/
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struct cam_cdm_utils_ops {
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uint32_t (*cdm_get_cmd_header_size)(unsigned int command);
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uint32_t (*cdm_required_size_dmi)(void);
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uint32_t (*cdm_required_size_reg_continuous)(uint32_t numVals);
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uint32_t (*cdm_required_size_reg_random)(uint32_t numRegVals);
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uint32_t (*cdm_required_size_indirect)(void);
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uint32_t (*cdm_required_size_genirq)(void);
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uint32_t (*cdm_required_size_wait_event)(void);
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uint32_t (*cdm_required_size_changebase)(void);
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uint32_t (*cdm_required_size_comp_wait)(void);
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uint32_t (*cdm_required_size_clear_comp_event)(void);
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uint32_t (*cdm_required_size_prefetch_disable)(void);
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uint32_t (*cdm_offsetof_dmi_addr)(void);
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uint32_t (*cdm_offsetof_indirect_addr)(void);
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uint32_t *(*cdm_write_dmi)(
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uint32_t *pCmdBuffer,
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uint8_t dmiCmd,
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uint32_t DMIAddr,
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uint8_t DMISel,
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uint32_t dmiBufferAddr,
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uint32_t length);
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uint32_t* (*cdm_write_regcontinuous)(
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uint32_t *pCmdBuffer,
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uint32_t reg,
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uint32_t numVals,
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uint32_t *pVals);
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uint32_t *(*cdm_write_regrandom)(
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uint32_t *pCmdBuffer,
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uint32_t numRegVals,
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uint32_t *pRegVals);
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uint32_t *(*cdm_write_indirect)(
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uint32_t *pCmdBuffer,
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uint32_t indirectBufferAddr,
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uint32_t length);
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void (*cdm_write_genirq)(
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uint32_t *pCmdBuffer,
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uint32_t userdata,
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bool bit_wr_enable,
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uint32_t fifo_idx);
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uint32_t *(*cdm_write_wait_event)(
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uint32_t *pCmdBuffer,
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uint32_t iw,
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uint32_t id,
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uint32_t mask,
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uint32_t offset,
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uint32_t data);
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uint32_t *(*cdm_write_changebase)(
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uint32_t *pCmdBuffer,
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uint32_t base);
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uint32_t *(*cdm_write_wait_comp_event)(
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uint32_t *pCmdBuffer,
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uint32_t mask1,
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uint32_t mask2);
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uint32_t *(*cdm_write_clear_comp_event)(
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uint32_t *pCmdBuffer,
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uint32_t mask1,
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uint32_t mask2);
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uint32_t *(*cdm_write_wait_prefetch_disable)(
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uint32_t *pCmdBuffer,
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uint32_t id,
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uint32_t mask1,
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uint32_t mask2);
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};
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/**
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* struct cam_cdm_cmd_buf_dump_info; - Camera CDM dump info
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* @dst_offset: dst offset
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* @dst_max_size max size of destination buffer
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* @src_start: source start address
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* @src_end: source end address
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* @dst_start: dst start address
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*/
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struct cam_cdm_cmd_buf_dump_info {
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size_t dst_offset;
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size_t dst_max_size;
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uint32_t *src_start;
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uint32_t *src_end;
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uintptr_t dst_start;
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};
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/**
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* struct cam_cdm_cmd_dump_header- Camera CDM dump header
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* @tag: tag name for header
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* @size: size of data
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* @word_size: size of each word
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*/
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struct cam_cdm_cmd_dump_header {
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uint8_t tag[CAM_CDM_CMD_TAG_MAX_LEN];
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uint64_t size;
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uint32_t word_size;
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};
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/**
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* cam_cdm_util_log_cmd_bufs()
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*
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* @brief: Util function to log cdm command buffers
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*
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* @cmd_buffer_start: Pointer to start of cmd buffer
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* @cmd_buffer_end: Pointer to end of cmd buffer
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*
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*/
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void cam_cdm_util_dump_cmd_buf(
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uint32_t *cmd_buffer_start, uint32_t *cmd_buffer_end);
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/**
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* cam_cdm_util_dump_cmd_bufs_v2()
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*
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* @brief: Util function to cdm command buffers
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* to a buffer
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*
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* @dump_info: Information about source and destination buffers
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*
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* return SUCCESS/FAILURE
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*/
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int cam_cdm_util_dump_cmd_bufs_v2(
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struct cam_cdm_cmd_buf_dump_info *dump_info);
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#endif /* _CAM_CDM_UTIL_H_ */
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