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https://github.com/revyos/thead-kernel.git
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152 lines
8.3 KiB
C
152 lines
8.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2021 Alibaba Group Holding Limited.
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*/
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#ifndef _SC_IPC_H
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#define _SC_IPC_H
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#include <linux/device.h>
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#include <linux/types.h>
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#define AON_RPC_MSG_MAGIC (0xef)
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#define LIGHT_AON_RPC_VERSION 2
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#define LIGHT_AON_RPC_MSG_NUM 7
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struct light_aon_ipc;
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enum light_aon_rpc_svc {
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LIGHT_AON_RPC_SVC_UNKNOWN = 0,
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LIGHT_AON_RPC_SVC_PM = 1,
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LIGHT_AON_RPC_SVC_MISC = 2,
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LIGHT_AON_RPC_SVC_AVFS = 3,
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LIGHT_AON_RPC_SVC_SYS = 4,
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LIGHT_AON_RPC_SVC_WDG = 5,
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LIGHT_AON_RPC_SVC_LPM = 6,
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LIGHT_AON_RPC_SVC_MAX = 0x3F,
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};
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enum light_aon_misc_func {
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LIGHT_AON_MISC_FUNC_UNKNOWN = 0,
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LIGHT_AON_MISC_FUNC_SET_CONTROL = 1,
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LIGHT_AON_MISC_FUNC_GET_CONTROL = 2,
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LIGHT_AON_MISC_FUNC_REGDUMP_CFG = 3,
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};
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enum light_aon_wdg_func {
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LIGHT_AON_WDG_FUNC_UNKNOWN = 0,
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LIGHT_AON_WDG_FUNC_START = 1,
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LIGHT_AON_WDG_FUNC_STOP = 2,
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LIGHT_AON_WDG_FUNC_PING = 3,
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LIGHT_AON_WDG_FUNC_TIMEOUTSET = 4,
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LIGHT_AON_WDG_FUNC_RESTART = 5,
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LIGHT_AON_WDG_FUNC_GET_STATE = 6,
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LIGHT_AON_WDG_FUNC_POWER_OFF = 7,
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LIGHT_AON_WDG_FUNC_AON_WDT_ON = 8,
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LIGHT_AON_WDG_FUNC_AON_WDT_OFF = 9,
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};
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enum light_aon_sys_func {
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LIGHT_AON_SYS_FUNC_UNKNOWN = 0,
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LIGHT_AON_SYS_FUNC_AON_RESERVE_MEM = 1,
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};
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enum light_aon_lpm_func {
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LIGHT_AON_LPM_FUNC_UNKNOWN = 0,
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LIGHT_AON_LPM_FUNC_REQUIRE_STR = 1,
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LIGHT_AON_LPM_FUNC_RESUME_STR = 2,
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LIGHT_AON_LPM_FUNC_REQUIRE_STD = 3,
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LIGHT_AON_LPM_FUNC_CPUHP = 4,
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LIGHT_AON_LPM_FUNC_REGDUMP_CFG = 5,
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};
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enum light_aon_pm_func {
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LIGHT_AON_PM_FUNC_UNKNOWN = 0,
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LIGHT_AON_PM_FUNC_SET_RESOURCE_REGULATOR = 1,
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LIGHT_AON_PM_FUNC_GET_RESOURCE_REGULATOR = 2,
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LIGHT_AON_PM_FUNC_SET_RESOURCE_POWER_MODE = 3,
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LIGHT_AON_PM_FUNC_PWR_SET = 4,
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LIGHT_AON_PM_FUNC_PWR_GET = 5,
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LIGHT_AON_PM_FUNC_CHECK_FAULT = 6,
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LIGHT_AON_PM_FUNC_GET_TEMPERATURE = 7,
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};
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struct light_aon_rpc_msg_hdr {
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uint8_t ver; ///< version of msg hdr
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uint8_t size; ///< msg size ,uinit in bytes,the size includes rpc msg header self.
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uint8_t svc; ///< rpc main service id
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uint8_t func; ///< rpc sub func id of specific service, sent by caller
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} __packed __aligned(1);
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struct light_aon_rpc_ack_common {
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struct light_aon_rpc_msg_hdr hdr;
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u8 err_code;
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} __packed __aligned(1);
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#define RPC_SVC_MSG_TYPE_DATA 0
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#define RPC_SVC_MSG_TYPE_ACK 1
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#define RPC_SVC_MSG_NEED_ACK 0
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#define RPC_SVC_MSG_NO_NEED_ACK 1
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#define RPC_GET_VER(MESG) ((MESG)->ver)
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#define RPC_SET_VER(MESG, VER) ((MESG)->ver = (VER))
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#define RPC_GET_SVC_ID(MESG) ((MESG)->svc & 0x3F)
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#define RPC_SET_SVC_ID(MESG, ID) ((MESG)->svc |= 0x3F & (ID))
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#define RPC_GET_SVC_FLAG_MSG_TYPE(MESG) (((MESG)->svc & 0x80) >> 7)
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#define RPC_SET_SVC_FLAG_MSG_TYPE(MESG, TYPE) ((MESG)->svc |= (TYPE) << 7)
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#define RPC_GET_SVC_FLAG_ACK_TYPE(MESG) (((MESG)->svc & 0x40) >> 6)
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#define RPC_SET_SVC_FLAG_ACK_TYPE(MESG, ACK) ((MESG)->svc |= (ACK) << 6)
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#define RPC_SET_BE64(MESG, OFFSET, SET_DATA) do {uint8_t* data = (uint8_t*)(MESG); \
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data[OFFSET + 7] = (SET_DATA) & 0xFF; \
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data[OFFSET + 6] = ((SET_DATA) & 0xFF00) >> 8; \
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data[OFFSET + 5] = ((SET_DATA) & 0xFF0000) >> 16; \
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data[OFFSET + 4] = ((SET_DATA) & 0xFF000000) >> 24; \
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data[OFFSET + 3] = ((SET_DATA) & 0xFF00000000) >> 32; \
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data[OFFSET + 2] = ((SET_DATA) & 0xFF0000000000) >> 40; \
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data[OFFSET + 1] = ((SET_DATA) & 0xFF000000000000) >> 48; \
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data[OFFSET + 0] = ((SET_DATA) & 0xFF00000000000000) >> 56; \
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} while(0)
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#define RPC_SET_BE32(MESG, OFFSET, SET_DATA) do { uint8_t* data = (uint8_t*)(MESG); \
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data[OFFSET + 3] = (SET_DATA) & 0xFF; \
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data[OFFSET + 2] = ((SET_DATA) & 0xFF00) >> 8; \
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data[OFFSET + 1] = ((SET_DATA) & 0xFF0000) >> 16; \
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data[OFFSET + 0] = ((SET_DATA) & 0xFF000000) >> 24; \
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} while(0)
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#define RPC_SET_BE16(MESG, OFFSET, SET_DATA) do { uint8_t* data = (uint8_t*)(MESG); \
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data[OFFSET + 1] = (SET_DATA) & 0xFF; \
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data[OFFSET + 0] = ((SET_DATA) & 0xFF00) >> 8; \
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} while(0)
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#define RPC_SET_U8(MESG, OFFSET, SET_DATA) do { uint8_t* data = (uint8_t*)(MESG); \
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data[OFFSET] = (SET_DATA) & 0xFF; \
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} while(0)
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#define RPC_GET_BE64(MESG, OFFSET, PTR) do {uint8_t* data = (uint8_t*)(MESG); \
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*(uint32_t*)(PTR) = (data[OFFSET + 7] | data[OFFSET + 6] << 8 | data[OFFSET + 5] << 16 | data[OFFSET + 4] << 24 | \
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data[OFFSET + 3] << 32 | data[OFFSET + 2] << 40 | data[OFFSET + 1] << 48 | data[OFFSET + 0] << 56); \
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} while(0)
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#define RPC_GET_BE32(MESG, OFFSET, PTR) do {uint8_t* data = (uint8_t*)(MESG); \
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*(uint32_t*)(PTR) = (data[OFFSET + 3] | data[OFFSET + 2] << 8 | data[OFFSET + 1] << 16 | data[OFFSET + 0] << 24); \
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} while(0)
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#define RPC_GET_BE16(MESG, OFFSET, PTR) do {uint8_t* data = (uint8_t*)(MESG); \
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*(uint16_t*)(PTR) = (data[OFFSET + 1] | data[OFFSET + 0] << 8); \
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} while(0)
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#define RPC_GET_U8(MESG, OFFSET, PTR) do {uint8_t* data = (uint8_t*)(MESG); \
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*(uint8_t*)(PTR) = (data[OFFSET]); \
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} while(0)
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/*
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* Defines for SC PM Power Mode
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*/
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#define LIGHT_AON_PM_PW_MODE_OFF 0 /* Power off */
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#define LIGHT_AON_PM_PW_MODE_STBY 1 /* Power in standby */
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#define LIGHT_AON_PM_PW_MODE_LP 2 /* Power in low-power */
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#define LIGHT_AON_PM_PW_MODE_ON 3 /* Power on */
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int light_aon_call_rpc(struct light_aon_ipc *ipc, void *msg, void *ack_msg, bool have_resp);
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int light_aon_get_handle(struct light_aon_ipc **ipc);
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int light_aon_misc_set_control(struct light_aon_ipc *ipc, u16 resource, u32 ctrl, u32 val);
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int light_aon_misc_get_control(struct light_aon_ipc *ipc, u16 resource, u32 ctrl, u32 *val);
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#endif /* _SC_IPC_H */
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