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