90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2016 MediaTek Inc.
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*/
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#ifndef __MTK_SPM_H__
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#define __MTK_SPM_H__
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#include <linux/kernel.h>
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/************************************************************
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* FIXME: To be refined !!!
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************************************************************/
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#include <linux/io.h>
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/* SUBSYS Power Status */
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extern void __iomem *spm_base;
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#define SPM_BASE spm_base
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/********************************************************************
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* APIs for external modules
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*******************************************************************/
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bool mtk_spm_drv_ready(void);
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bool mtk_spm_base_ready(void);
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unsigned int mtk_spm_read_register(int register_index);
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enum {
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SPM_PWRSTA = 0,
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SPM_MD1_PWR_CON,
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SPM_REG13,
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SPM_SPARE_ACK_MASK,
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};
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/********************************************************************
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* FIXME: To be refined !!!
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*******************************************************************/
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int mtk_spm_init(void);
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void *mt_spm_base_get(void);
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extern int spm_load_firmware_status(void);
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/********************************************************************
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* sspm lock spm scenario
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*******************************************************************/
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#ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT
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extern bool is_sspm_ipi_lock_spm(void);
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extern void sspm_ipi_lock_spm_scenario(int start, int id, int opt,
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const char *name);
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#endif /* CONFIG_MTK_TINYSYS_SSPM_SUPPORT */
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/********************************************************************
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* TWAM definitions for MET use only.
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*******************************************************************/
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struct twam_byte {
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u32 signal;
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u32 id;
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u32 monitor_type;
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};
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struct twam_cfg {
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struct twam_byte byte[4]; /* Channel 0~3 config */
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};
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struct twam_select {
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u32 signal[4];
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u32 id[4];
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};
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/* for TWAM in MET */
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typedef void (*twam_handler_t) (struct twam_cfg *twamsig,
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struct twam_select *twam_sel);
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extern void spm_twam_register_handler(twam_handler_t handler);
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extern twam_handler_t spm_twam_handler_get(void);
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extern void spm_twam_enable_monitor(bool en_monitor,
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bool debug_signal, twam_handler_t cb_handler);
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extern void spm_twam_disable_monitor(void);
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extern void spm_twam_set_idle_select(unsigned int sel);
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extern void spm_twam_set_window_length(unsigned int len);
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extern void spm_twam_set_mon_type(struct twam_cfg *mon);
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extern void spm_twam_config_channel(struct twam_cfg *cfg,
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bool speed_mode, unsigned int window_len_hz);
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extern bool spm_twam_met_enable(void);
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#endif /* __MTK_SPM_H__ */
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