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wireless/bcm43xxx: add auto power saving support

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switch firmware power mode between PM_MAX/PM_FAST

Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-06-20 14:56:37 +08:00 committed by Xiang Xiao
parent 0fe219a8c9
commit 04fcbb5cb8
4 changed files with 156 additions and 7 deletions
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16
drivers/wireless/ieee80211/bcm43xxx/Kconfig
View File

@ -132,6 +132,22 @@ config IEEE80211_BROADCOM_SCAN_RESULT_ENTRIES
---help---
This parameter should be set the bcmf escan result buffer entries
config IEEE80211_BROADCOM_LOWPOWER
bool "Broadcom BCMF lower power"
default n
---help---
This parameter should be enable the bcmf lower power mode
if IEEE80211_BROADCOM_LOWPOWER
config IEEE80211_BROADCOM_LOWPOWER_TIMEOUT
int "Broadcom BCMF lower power timeout(second)"
default 10
---help---
This parameter should be enable the bcmf lower power timeout
endif # IEEE80211_BROADCOM_LOWPOWER
if IEEE80211_BROADCOM_FULLMAC
config IEEE80211_BROADCOM_NINTERFACES

35
drivers/wireless/ieee80211/bcm43xxx/bcmf_driver.c
View File

@ -426,6 +426,34 @@ int bcmf_driver_download_clm(FAR struct bcmf_dev_s *priv)
#endif
#endif /* CONFIG_IEEE80211_BROADCOM_HAVE_CLM */
int bcmf_wl_set_pm(FAR struct bcmf_dev_s *priv, int mode)
{
int interface = CHIP_STA_INTERFACE;
uint32_t out_len;
uint32_t value;
int ret;
/* Set default power save mode */
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
if (priv->lp_mode != mode)
#endif
{
out_len = 4;
value = mode;
ret = bcmf_cdc_ioctl(priv, interface, true, WLC_SET_PM,
(uint8_t *)&value, &out_len);
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
if (ret == OK)
{
priv->lp_mode = mode;
}
#endif
}
return ret;
}
int bcmf_wl_active(FAR struct bcmf_dev_s *priv, bool active)
{
int interface = CHIP_STA_INTERFACE;
@ -462,12 +490,9 @@ int bcmf_wl_active(FAR struct bcmf_dev_s *priv, bool active)
goto errout_in_sdio_active;
}
/* FIXME disable power save mode */
/* Set default power save mode */
out_len = 4;
value = 0;
ret = bcmf_cdc_ioctl(priv, interface, true, WLC_SET_PM,
(uint8_t *)&value, &out_len);
ret = bcmf_wl_set_pm(priv, PM_OFF);
if (ret != OK)
{
goto errout_in_sdio_active;

12
drivers/wireless/ieee80211/bcm43xxx/bcmf_driver.h
View File

@ -94,6 +94,12 @@ struct bcmf_dev_s
sem_t auth_signal; /* Authentication notification signal */
int auth_status; /* Authentication status */
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
struct work_s lp_work; /* Low power work to work queue */
int lp_mode; /* Low power mode */
sclock_t lp_ticks; /* Ticks of last tx time */
#endif
};
/* Default bus interface structure */
@ -138,6 +144,10 @@ int bcmf_wl_set_mac_address(FAR struct bcmf_dev_s *priv, struct ifreq *req);
int bcmf_wl_enable(FAR struct bcmf_dev_s *priv, bool enable);
int bcmf_wl_active(FAR struct bcmf_dev_s *priv, bool active);
int bcmf_wl_set_pm(FAR struct bcmf_dev_s *priv, int mode);
/* IOCTLs AP scan interface implementation */
int bcmf_wl_start_scan(FAR struct bcmf_dev_s *priv, struct iwreq *iwr);
@ -169,6 +179,4 @@ int bcmf_wl_get_rssi(FAR struct bcmf_dev_s *priv, struct iwreq *iwr);
int bcmf_wl_get_iwrange(FAR struct bcmf_dev_s *priv, struct iwreq *iwr);
int bcmf_wl_active(FAR struct bcmf_dev_s *priv, bool active);
#endif /* __DRIVERS_WIRELESS_IEEE80211_BCM43XXX_BCMF_DRIVER_H */

100
drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
View File

@ -127,6 +127,10 @@ static int bcmf_ioctl(FAR struct net_driver_s *dev, int cmd,
unsigned long arg);
#endif
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
static void bcmf_lowpower_poll(FAR struct bcmf_dev_s *priv);
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
@ -703,6 +707,10 @@ static int bcmf_ifup(FAR struct net_driver_s *dev)
priv->bc_bifup = true;
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
bcmf_lowpower_poll(priv);
#endif
goto errout_in_critical_section;
errout_in_wl_active:
@ -742,6 +750,13 @@ static int bcmf_ifdown(FAR struct net_driver_s *dev)
if (priv->bc_bifup)
{
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
if (!work_available(&priv->lp_work))
{
work_cancel(LPWORK, &priv->lp_work);
}
#endif
bcmf_wl_enable(priv, false);
bcmf_wl_active(priv, false);
@ -755,6 +770,84 @@ static int bcmf_ifdown(FAR struct net_driver_s *dev)
return OK;
}
/****************************************************************************
* Name: bcmf_lowpower_work
*
* Description:
* Process low power saving dueto work timer expiration
*
* Input Parameters:
* arg - context of device to use
*
****************************************************************************/
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
static void bcmf_lowpower_work(FAR void *arg)
{
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)arg;
irqstate_t flags;
clock_t ticks;
clock_t timeout;
if (priv->bc_bifup)
{
/* Disable the hardware interrupt */
flags = enter_critical_section();
ticks = clock_systime_ticks() - priv->lp_ticks;
timeout = SEC2TICK(CONFIG_IEEE80211_BROADCOM_LOWPOWER_TIMEOUT);
if (ticks >= timeout)
{
leave_critical_section(flags);
bcmf_wl_set_pm(priv, PM_MAX);
}
else
{
work_queue(LPWORK, &priv->lp_work, bcmf_lowpower_work,
priv, timeout - ticks);
leave_critical_section(flags);
}
}
}
/****************************************************************************
* Name: bcmf_lowpower_poll
*
* Description:
* Polling low power
*
* Input Parameters:
* arg - context of device to use
*
****************************************************************************/
static void bcmf_lowpower_poll(FAR struct bcmf_dev_s *priv)
{
irqstate_t flags;
if (priv->bc_bifup)
{
bcmf_wl_set_pm(priv, PM_FAST);
/* Disable the hardware interrupt */
flags = enter_critical_section();
priv->lp_ticks = clock_systime_ticks();
if (work_available(&priv->lp_work) && priv->lp_mode != PM_MAX)
{
work_queue(LPWORK, &priv->lp_work, bcmf_lowpower_work, priv,
SEC2TICK(CONFIG_IEEE80211_BROADCOM_LOWPOWER_TIMEOUT));
}
leave_critical_section(flags);
}
}
#endif
/****************************************************************************
* Name: bcmf_txavail
*
@ -778,6 +871,9 @@ static int bcmf_txavail(FAR struct net_driver_s *dev)
{
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
bcmf_lowpower_poll(priv);
#endif
bcmf_netdev_notify_tx(priv);
return OK;
}
@ -944,6 +1040,10 @@ static int bcmf_ioctl(FAR struct net_driver_s *dev, int cmd,
return -EPERM;
}
#ifdef CONFIG_IEEE80211_BROADCOM_LOWPOWER
bcmf_lowpower_poll(priv);
#endif
/* Decode and dispatch the driver-specific IOCTL command */
switch (cmd)