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Diffstat (limited to 'include/soc/qcom/smsm.h')
| -rw-r--r-- | include/soc/qcom/smsm.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/include/soc/qcom/smsm.h b/include/soc/qcom/smsm.h new file mode 100644 index 000000000000..96ca0c86912c --- /dev/null +++ b/include/soc/qcom/smsm.h @@ -0,0 +1,147 @@ +/* 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 |