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qcacld-3.0: Add pld API to get the audio timestamp

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Add pld API to get audio timestamp needed in FTM wlan
timesync feature to synchronise the audio clocks of
master and slave devices

Change-Id: I6f08e33904e26728492286f516ce5a8074afd1ea
CRs-Fixed: 2616917
This commit is contained in:
Surabhi Vishnoi 2020-02-05 15:53:41 +05:30 • committed by nshrivas
commit 8333061e83
3 changed files with 93 additions and 1 deletions
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19
core/pld/inc/pld_common.h
View file

@ -334,6 +334,18 @@ enum pld_recovery_reason {
PLD_REASON_LINK_DOWN
};
#ifdef FEATURE_WLAN_TIME_SYNC_FTM
/**
* enum pld_wlan_time_sync_trigger_type - WLAN time sync trigger type
* @PLD_TRIGGER_POSITIVE_EDGE: Positive edge trigger
* @PLD_TRIGGER_NEGATIVE_EDGE: Negative edge trigger
*/
enum pld_wlan_time_sync_trigger_type {
PLD_TRIGGER_POSITIVE_EDGE,
PLD_TRIGGER_NEGATIVE_EDGE
};
#endif /* FEATURE_WLAN_TIME_SYNC_FTM */
/**
* struct pld_driver_ops - driver callback functions
* @probe: required operation, will be called when device is detected
@ -419,6 +431,13 @@ void pld_is_pci_link_down(struct device *dev);
int pld_shadow_control(struct device *dev, bool enable);
void pld_schedule_recovery_work(struct device *dev,
enum pld_recovery_reason reason);
#ifdef FEATURE_WLAN_TIME_SYNC_FTM
int pld_get_audio_wlan_timestamp(struct device *dev,
enum pld_wlan_time_sync_trigger_type type,
uint64_t *ts);
#endif /* FEATURE_WLAN_TIME_SYNC_FTM */
#ifdef CONFIG_CNSS_UTILS
/**
* pld_set_wlan_unsafe_channel() - Set unsafe channel

39
core/pld/src/pld_common.c
View file

@ -2641,3 +2641,42 @@ int pld_idle_restart(struct device *dev,
return errno;
}
#ifdef FEATURE_WLAN_TIME_SYNC_FTM
/**
* pld_get_audio_wlan_timestamp() - Get audio timestamp
* @dev: device pointer
* @type: trigger type
* @ts: audio timestamp
*
* This API can be used to get audio timestamp.
*
* Return: 0 if trigger to get audio timestamp is successful
* Non zero failure code for errors
*/
int pld_get_audio_wlan_timestamp(struct device *dev,
enum pld_wlan_time_sync_trigger_type type,
uint64_t *ts)
{
int ret = 0;
enum pld_bus_type bus_type;
bus_type = pld_get_bus_type(dev);
switch (bus_type) {
case PLD_BUS_TYPE_SNOC:
ret = pld_snoc_get_audio_wlan_timestamp(dev, type, ts);
break;
case PLD_BUS_TYPE_PCIE:
case PLD_BUS_TYPE_SNOC_FW_SIM:
case PLD_BUS_TYPE_PCIE_FW_SIM:
case PLD_BUS_TYPE_SDIO:
case PLD_BUS_TYPE_USB:
case PLD_BUS_TYPE_IPCI:
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
#endif /* FEATURE_WLAN_TIME_SYNC_FTM */

36
core/pld/src/pld_snoc.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@ -150,6 +150,17 @@ static inline int pld_snoc_is_fw_rejuvenate(void)
static inline void pld_snoc_block_shutdown(bool status)
{
}
#ifdef FEATURE_WLAN_TIME_SYNC_FTM
static inline int
pld_snoc_get_audio_wlan_timestamp(struct device *dev,
enum pld_wlan_time_sync_trigger_type type,
uint64_t *ts)
{
return 0;
}
#endif /* FEATURE_WLAN_TIME_SYNC_FTM */
#else
int pld_snoc_register_driver(void);
void pld_snoc_unregister_driver(void);
@ -159,6 +170,29 @@ int pld_snoc_wlan_enable(struct device *dev,
int pld_snoc_wlan_disable(struct device *dev, enum pld_driver_mode mode);
int pld_snoc_get_soc_info(struct device *dev, struct pld_soc_info *info);
#ifdef FEATURE_WLAN_TIME_SYNC_FTM
/**
* pld_snoc_get_audio_wlan_timestamp() - Get audio timestamp
* @dev: device
* @type: trigger type
* @ts: timestamp
*
* Return audio timestamp to the ts.
*
* Return: 0 for success
* Non zero failure code for errors
*/
static inline int
pld_snoc_get_audio_wlan_timestamp(struct device *dev,
enum pld_wlan_time_sync_trigger_type type,
uint64_t *ts)
{
if (!dev)
return -ENODEV;
return 0;
}
#endif /* FEATURE_WLAN_TIME_SYNC_FTM */
static inline int pld_snoc_ce_request_irq(struct device *dev,
unsigned int ce_id,
irqreturn_t (*handler)(int, void *),