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| author |   Govind Singh <govinds@codeaurora.org> | 2019-02-08 14:55:31 +0200 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2019-02-11 18:29:40 +0200 |
| commit | 185be1c66469b2c31bd3a0502b3cdf0e654f95eb (patch) | |
| tree | 5b773e0750f1f4376d4aaec40945b34ae0a401a6 /drivers/net/wireless/ath/ath10k/snoc.c | |
| parent | ath10k: implement set_base_macaddr to fix rx-bssid mask in multiple APs conf (diff) | |
| download | linux-dev-185be1c66469b2c31bd3a0502b3cdf0e654f95eb.tar.xz linux-dev-185be1c66469b2c31bd3a0502b3cdf0e654f95eb.zip | |
ath10k: enable bus layer suspend/resume for WCN3990
Register snoc bus layer suspend/resume PM ops and configure
the wakeup source(CE2) for the device.
Testing:
Tested on WCN3990 HW.
Tested FW: WLAN.HL.2.0-01192-QCAHLSWMTPLZ-1.
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/snoc.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/snoc.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index 097211daaa46..eff19fd543c8 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -30,6 +30,7 @@ #define ATH10K_SNOC_RX_POST_RETRY_MS 50 #define CE_POLL_PIPE 4 +#define ATH10K_SNOC_WAKE_IRQ 2 static char *const ce_name[] = { "WLAN_CE_0", @@ -1048,6 +1049,46 @@ err_wlan_enable: return ret; } +#ifdef CONFIG_PM +static int ath10k_snoc_hif_suspend(struct ath10k *ar) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + int ret; + + if (!device_may_wakeup(ar->dev)) + return -EPERM; + + ret = enable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line); + if (ret) { + ath10k_err(ar, "failed to enable wakeup irq :%d\n", ret); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device suspended\n"); + + return ret; +} + +static int ath10k_snoc_hif_resume(struct ath10k *ar) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + int ret; + + if (!device_may_wakeup(ar->dev)) + return -EPERM; + + ret = disable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line); + if (ret) { + ath10k_err(ar, "failed to disable wakeup irq: %d\n", ret); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device resumed\n"); + + return ret; +} +#endif + static const struct ath10k_hif_ops ath10k_snoc_hif_ops = { .read32 = ath10k_snoc_read32, .write32 = ath10k_snoc_write32, @@ -1061,6 +1102,10 @@ static const struct ath10k_hif_ops ath10k_snoc_hif_ops = { .send_complete_check = ath10k_snoc_hif_send_complete_check, .get_free_queue_number = ath10k_snoc_hif_get_free_queue_number, .get_target_info = ath10k_snoc_hif_get_target_info, +#ifdef CONFIG_PM + .suspend = ath10k_snoc_hif_suspend, + .resume = ath10k_snoc_hif_resume, +#endif }; static const struct ath10k_bus_ops ath10k_snoc_bus_ops = { |