diff options
| author | Wen Gong <wgong@codeaurora.org> | 2020-04-16 14:50:57 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-04-21 15:03:57 +0300 |
| commit | 22f28076b6c3f86107424b3b1ddfd90f2628f354 (patch) | |
| tree | 396b93802373422e4040c5f70ab72a6af54fae12 /drivers/net/wireless/ath/ath10k/sdio.h | |
| parent | 557e171434eb9bb43dbe71361775ae21ae95d4ed (diff) | |
| download | linux-22f28076b6c3f86107424b3b1ddfd90f2628f354.tar.xz | |
ath10k: improve power save performance for sdio
This patch is to set register to allow the mbox enter sleep status
if it does not have tx traffic and wakeup it if tx traffic arrive.
After mbox enter sleep status, the soc will enter sleep status by
firmware, this will save power. The power consume drops from about
90mW to about 10mW with this patch.
This patch only effect sdio chip.
Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00029.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1587037859-28873-3-git-send-email-kvalo@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/sdio.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/sdio.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/sdio.h b/drivers/net/wireless/ath/ath10k/sdio.h index 1c987494ad22..29523600887d 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.h +++ b/drivers/net/wireless/ath/ath10k/sdio.h @@ -98,6 +98,20 @@ #define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF 0xFFFEFFFF #define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON 0x10000 +enum sdio_mbox_state { + SDIO_MBOX_UNKNOWN_STATE = 0, + SDIO_MBOX_REQUEST_TO_SLEEP_STATE = 1, + SDIO_MBOX_SLEEP_STATE = 2, + SDIO_MBOX_AWAKE_STATE = 3, +}; + +#define ATH10K_CIS_READ_WAIT_4_RTC_CYCLE_IN_US 125 +#define ATH10K_CIS_RTC_STATE_ADDR 0x1138 +#define ATH10K_CIS_RTC_STATE_ON 0x01 +#define ATH10K_CIS_XTAL_SETTLE_DURATION_IN_US 1500 +#define ATH10K_CIS_READ_RETRY 10 +#define ATH10K_MIN_SLEEP_INACTIVITY_TIME_MS 50 + /* TODO: remove this and use skb->cb instead, much cleaner approach */ struct ath10k_sdio_bus_request { struct list_head list; @@ -218,6 +232,8 @@ struct ath10k_sdio { spinlock_t wr_async_lock; struct work_struct async_work_rx; + struct timer_list sleep_timer; + enum sdio_mbox_state mbox_state; }; static inline struct ath10k_sdio *ath10k_sdio_priv(struct ath10k *ar) |