148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
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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 version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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#ifndef _ARCH_ARM_MACH_MSM_SMSM_H_
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#define _ARCH_ARM_MACH_MSM_SMSM_H_
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#include <soc/qcom/smem.h>
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enum {
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SMSM_APPS_STATE,
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SMSM_MODEM_STATE,
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SMSM_Q6_STATE,
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SMSM_APPS_DEM,
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SMSM_WCNSS_STATE = SMSM_APPS_DEM,
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SMSM_MODEM_DEM,
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SMSM_DSPS_STATE = SMSM_MODEM_DEM,
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SMSM_Q6_DEM,
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SMSM_POWER_MASTER_DEM,
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SMSM_TIME_MASTER_DEM,
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};
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extern uint32_t SMSM_NUM_ENTRIES;
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/*
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* Ordered by when processors adopted the SMSM protocol. May not be 1-to-1
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* with SMEM PIDs, despite initial expectations.
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*/
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enum {
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SMSM_APPS = SMEM_APPS,
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SMSM_MODEM = SMEM_MODEM,
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SMSM_Q6 = SMEM_Q6,
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SMSM_WCNSS,
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SMSM_DSPS,
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};
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extern uint32_t SMSM_NUM_HOSTS;
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#define SMSM_INIT 0x00000001
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#define SMSM_SMDINIT 0x00000008
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#define SMSM_RPCINIT 0x00000020
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#define SMSM_RESET 0x00000040
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#define SMSM_TIMEWAIT 0x00000400
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#define SMSM_TIMEINIT 0x00000800
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#define SMSM_PROC_AWAKE 0x00001000
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#define SMSM_SMD_LOOPBACK 0x00800000
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#define SMSM_USB_PLUG_UNPLUG 0x00002000
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#define SMSM_A2_POWER_CONTROL 0x00000002
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#define SMSM_A2_POWER_CONTROL_ACK 0x00000800
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#ifdef CONFIG_MSM_SMD
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int smsm_change_state(uint32_t smsm_entry,
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uint32_t clear_mask, uint32_t set_mask);
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/*
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* Changes the global interrupt mask. The set and clear masks are re-applied
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* every time the global interrupt mask is updated for callback registration
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* and de-registration.
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*
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* The clear mask is applied first, so if a bit is set to 1 in both the clear
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* mask and the set mask, the result will be that the interrupt is set.
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*
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* @smsm_entry SMSM entry to change
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* @clear_mask 1 = clear bit, 0 = no-op
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* @set_mask 1 = set bit, 0 = no-op
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*
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* @returns 0 for success, < 0 for error
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*/
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int smsm_change_intr_mask(uint32_t smsm_entry,
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uint32_t clear_mask, uint32_t set_mask);
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int smsm_get_intr_mask(uint32_t smsm_entry, uint32_t *intr_mask);
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uint32_t smsm_get_state(uint32_t smsm_entry);
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int smsm_state_cb_register(uint32_t smsm_entry, uint32_t mask,
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void (*notify)(void *, uint32_t old_state, uint32_t new_state),
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void *data);
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int smsm_state_cb_deregister(uint32_t smsm_entry, uint32_t mask,
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void (*notify)(void *, uint32_t, uint32_t), void *data);
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#else
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static inline int smsm_change_state(uint32_t smsm_entry,
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uint32_t clear_mask, uint32_t set_mask)
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{
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return -ENODEV;
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}
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/*
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* Changes the global interrupt mask. The set and clear masks are re-applied
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* every time the global interrupt mask is updated for callback registration
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* and de-registration.
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*
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* The clear mask is applied first, so if a bit is set to 1 in both the clear
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* mask and the set mask, the result will be that the interrupt is set.
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*
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* @smsm_entry SMSM entry to change
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* @clear_mask 1 = clear bit, 0 = no-op
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* @set_mask 1 = set bit, 0 = no-op
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*
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* @returns 0 for success, < 0 for error
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*/
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static inline int smsm_change_intr_mask(uint32_t smsm_entry,
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uint32_t clear_mask, uint32_t set_mask)
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{
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return -ENODEV;
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}
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static inline int smsm_get_intr_mask(uint32_t smsm_entry, uint32_t *intr_mask)
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{
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return -ENODEV;
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}
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static inline uint32_t smsm_get_state(uint32_t smsm_entry)
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{
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return 0;
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}
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static inline int smsm_state_cb_register(uint32_t smsm_entry, uint32_t mask,
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void (*notify)(void *, uint32_t old_state, uint32_t new_state),
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void *data)
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{
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return -ENODEV;
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}
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static inline int smsm_state_cb_deregister(uint32_t smsm_entry, uint32_t mask,
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void (*notify)(void *, uint32_t, uint32_t), void *data)
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{
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return -ENODEV;
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}
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static inline void smsm_reset_modem(unsigned mode)
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{
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}
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static inline void smsm_reset_modem_cont(void)
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{
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}
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static inline void smd_sleep_exit(void)
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{
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}
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static inline int smsm_check_for_modem_crash(void)
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{
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return -ENODEV;
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}
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#endif
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#endif
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