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