121 lines
3.4 KiB
C
Executable File
121 lines
3.4 KiB
C
Executable File
/*
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* exynos_acpm_tmu.h - ACPM TMU plugin interface
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*
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* Copyright (C) 2017 Samsung Electronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __EXYNOS_ACPM_TMU_H__
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#define __EXYNOS_ACPM_TMU_H__
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/* Return values */
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#define RET_SUCCESS 0
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#define RET_FAIL -1
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#define RET_OK RET_SUCCESS
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#define RET_NOK RET_FAIL
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/* Return values - error types (minus) */
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#define ERR_REQ_TYPE 2
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#define ERR_TZ_ID 3
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#define ERR_TEMP 4
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#define ERR_APM_IRQ 5
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#define ERR_APM_DIVIDER 6
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/* Return values - capabilities */
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#define CAP_APM_IRQ 0x1
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#define CAP_APM_DIVIDER 0x2
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/* IPC Request Types */
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#define TMU_IPC_INIT 0x01
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#define TMU_IPC_READ_TEMP 0x02
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#define TMU_IPC_AP_SUSPEND 0x04
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#define TMU_IPC_CP_CALL 0x08
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#define TMU_IPC_AP_RESUME 0x10
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/*
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* 16-byte TMU IPC message format (REQ)
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* (MSB) 3 2 1 0
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* ---------------------------------------------
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* | fw_use | ctx |
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* ---------------------------------------------
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* | | tzid | | type |
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* ---------------------------------------------
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* | | | | |
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* ---------------------------------------------
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* | | | | |
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* ---------------------------------------------
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*/
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struct tmu_ipc_request {
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u16 ctx; /* LSB */
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u16 fw_use; /* MSB */
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u8 type;
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u8 rsvd;
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u8 tzid;
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u8 rsvd2;
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u32 reserved;
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u32 reserved2;
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};
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/*
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* 16-byte TMU IPC message format (RESP)
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* (MSB) 3 2 1 0
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* ---------------------------------------------
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* | fw_use | ctx |
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* ---------------------------------------------
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* | temp | tz_id | ret | type |
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* ---------------------------------------------
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* | | | | stat |
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* ---------------------------------------------
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* | | | | |
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* ---------------------------------------------
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*/
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struct tmu_ipc_response {
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u16 ctx; /* LSB */
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u16 fw_use; /* MSB */
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u8 type;
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s8 ret;
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u8 tzid;
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u8 temp;
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u8 stat;
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u8 rsvd;
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u8 rsvd2;
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u8 rsvd3;
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u32 reserved;
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};
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union tmu_ipc_message {
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u32 data[4];
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struct tmu_ipc_request req;
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struct tmu_ipc_response resp;
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};
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struct acpm_tmu_cap {
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bool acpm_irq;
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bool acpm_divider;
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};
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int exynos_acpm_tmu_set_init(struct acpm_tmu_cap *cap);
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int exynos_acpm_tmu_set_read_temp(int tz, int *temp, int *stat);
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int exynos_acpm_tmu_set_suspend(void);
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int exynos_acpm_tmu_set_cp_call(void);
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int exynos_acpm_tmu_set_resume(void);
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int exynos_acpm_tmu_ipc_dump(int no, unsigned int dump[]);
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bool exynos_acpm_tmu_is_test_mode(void);
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void exynos_acpm_tmu_set_test_mode(bool mode);
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void exynos_acpm_tmu_log(bool mode);
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#endif /* __EXYNOS_ACPM_TMU_H__ */
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