| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _CAM_CDM_UTIL_H_ |
| #define _CAM_CDM_UTIL_H_ |
| |
| #define CAM_CDM_SW_CMD_COUNT 2 |
| #define CAM_CMD_LENGTH_MASK 0xFFFF |
| #define CAM_CDM_COMMAND_OFFSET 24 |
| |
| #define CAM_CDM_DMI_DATA_HI_OFFSET 8 |
| #define CAM_CDM_DMI_DATA_LO_OFFSET 12 |
| |
| 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_CMD_PRIVATE_BASE = 0xc, |
| 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_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. |
| */ |
| struct cam_cdm_utils_ops { |
| uint32_t (*cdm_get_cmd_header_size)(unsigned int command); |
| 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_dmi)(void); |
| uint32_t (*cdm_required_size_genirq)(void); |
| uint32_t (*cdm_required_size_indirect)(void); |
| uint32_t (*cdm_required_size_changebase)(void); |
| uint32_t (*cdm_offsetof_dmi_addr)(void); |
| uint32_t (*cdm_offsetof_indirect_addr)(void); |
| 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_dmi)( |
| uint32_t *pCmdBuffer, |
| uint8_t dmiCmd, |
| uint32_t DMIAddr, |
| uint8_t DMISel, |
| uint32_t dmiBufferAddr, |
| uint32_t length); |
| uint32_t *(*cdm_write_indirect)( |
| uint32_t *pCmdBuffer, |
| uint32_t indirectBufferAddr, |
| uint32_t length); |
| uint32_t *(*cdm_write_changebase)( |
| uint32_t *pCmdBuffer, |
| uint32_t base); |
| void (*cdm_write_genirq)( |
| uint32_t *pCmdBuffer, |
| uint32_t userdata); |
| }; |
| |
| #endif /* _CAM_CDM_UTIL_H_ */ |