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ath11k: htc: implement suspend handling 

When ath11k sends suspend command to firmware, firmware will
return suspend_complete events and add handlers for those.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607708150-21066-6-git-send-email-kvalo@codeaurora.org
This commit is contained in:
Carl Huang 2020-12-11 19:35:45 +02:00 committed by Kalle Valo
parent d50370c953
commit 8733d835ec
4 changed files with 31 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/ath/ath11k/core.c
View File

@ -968,6 +968,8 @@ struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
init_waitqueue_head(&ab->qmi.cold_boot_waitq);
INIT_WORK(&ab->restart_work, ath11k_core_restart);
timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
init_completion(&ab->htc_suspend);
ab->dev = dev;
ab->bus_params = *bus_params;
ab->hif.bus = bus;

4
drivers/net/wireless/ath/ath11k/core.h
View File

@ -186,6 +186,7 @@ enum ath11k_dev_flags {
ATH11K_FLAG_UNREGISTERING,
ATH11K_FLAG_REGISTERED,
ATH11K_FLAG_QMI_FAIL,
ATH11K_FLAG_HTC_SUSPEND_COMPLETE,
};
enum ath11k_monitor_flags {
@ -732,6 +733,9 @@ struct ath11k_base {
u32 num_db_cap;
struct timer_list mon_reap_timer;
struct completion htc_suspend;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
};

23
drivers/net/wireless/ath/ath11k/htc.c
View File

@ -231,6 +231,18 @@ static int ath11k_htc_process_trailer(struct ath11k_htc *htc,
return status;
}
static void ath11k_htc_suspend_complete(struct ath11k_base *ab, bool ack)
{
ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot suspend complete %d\n", ack);
if (ack)
set_bit(ATH11K_FLAG_HTC_SUSPEND_COMPLETE, &ab->dev_flags);
else
clear_bit(ATH11K_FLAG_HTC_SUSPEND_COMPLETE, &ab->dev_flags);
complete(&ab->htc_suspend);
}
void ath11k_htc_rx_completion_handler(struct ath11k_base *ab,
struct sk_buff *skb)
{
@ -328,8 +340,17 @@ void ath11k_htc_rx_completion_handler(struct ath11k_base *ab,
complete(&htc->ctl_resp);
break;
case ATH11K_HTC_MSG_SEND_SUSPEND_COMPLETE:
ath11k_htc_suspend_complete(ab, true);
break;
case ATH11K_HTC_MSG_NACK_SUSPEND:
ath11k_htc_suspend_complete(ab, false);
break;
case ATH11K_HTC_MSG_WAKEUP_FROM_SUSPEND_ID:
break;
default:
ath11k_warn(ab, "ignoring unsolicited htc ep0 event\n");
ath11k_warn(ab, "ignoring unsolicited htc ep0 event %ld\n",
FIELD_GET(HTC_MSG_MESSAGEID, msg->msg_svc_id));
break;
}
goto out;

4
drivers/net/wireless/ath/ath11k/htc.h
View File

@ -65,7 +65,9 @@ enum ath11k_htc_msg_id {
ATH11K_HTC_MSG_CONNECT_SERVICE_RESP_ID = 3,
ATH11K_HTC_MSG_SETUP_COMPLETE_ID = 4,
ATH11K_HTC_MSG_SETUP_COMPLETE_EX_ID = 5,
ATH11K_HTC_MSG_SEND_SUSPEND_COMPLETE = 6
ATH11K_HTC_MSG_SEND_SUSPEND_COMPLETE = 6,
ATH11K_HTC_MSG_NACK_SUSPEND = 7,
ATH11K_HTC_MSG_WAKEUP_FROM_SUSPEND_ID = 8,
};
enum ath11k_htc_version {