diff options
| author | Glen Lee <glen.lee@atmel.com> | 2016-01-25 16:35:07 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-03 15:25:40 -0800 |
| commit | fdc2ac1aafc62dfea1ae116f832ff1874104a0ee (patch) | |
| tree | b8aea055ae73314d59c94950187eb35a954b9100 | |
| parent | 33c64975e3ebb5ce2301005ab3602dbb2fdf1cd0 (diff) | |
staging: wilc1000: support suspend/resume functionality
wilc supports suspend/resume functionality. Introduce new sleep and wakeup
functions and remove old codes since that will be handled in the new functions.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/wilc1000/wilc_wlan.c | 31 | ||||
| -rw-r--r-- | drivers/staging/wilc1000/wilc_wlan.h | 4 |
2 files changed, 22 insertions, 13 deletions
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c index e2ac0412014e..d824606a248b 100644 --- a/drivers/staging/wilc1000/wilc_wlan.c +++ b/drivers/staging/wilc1000/wilc_wlan.c @@ -522,6 +522,7 @@ static inline void chip_allow_sleep(struct wilc *wilc) wilc->hif_func->hif_read_reg(wilc, 0xf0, ®); wilc->hif_func->hif_write_reg(wilc, 0xf0, reg & ~BIT(0)); + wilc->hif_func->hif_write_reg(wilc, 0xfa, 0); } static inline void chip_wakeup(struct wilc *wilc) @@ -543,6 +544,8 @@ static inline void chip_wakeup(struct wilc *wilc) } while (wilc_get_chipid(wilc, true) == 0); } else if ((wilc->io_type & 0x1) == HIF_SDIO) { + wilc->hif_func->hif_write_reg(wilc, 0xfa, 1); + udelay(200); wilc->hif_func->hif_read_reg(wilc, 0xf0, ®); do { wilc->hif_func->hif_write_reg(wilc, 0xf0, @@ -567,11 +570,7 @@ static inline void chip_wakeup(struct wilc *wilc) } if (chip_ps_state == CHIP_SLEEPING_MANUAL) { - wilc->hif_func->hif_read_reg(wilc, 0x1C0C, ®); - reg &= ~BIT(0); - wilc->hif_func->hif_write_reg(wilc, 0x1C0C, reg); - - if (wilc_get_chipid(wilc, false) >= 0x1002b0) { + if (wilc_get_chipid(wilc, false) < 0x1002b0) { u32 val32; wilc->hif_func->hif_read_reg(wilc, 0x1e1c, &val32); @@ -599,6 +598,20 @@ void wilc_chip_sleep_manually(struct wilc *wilc) release_bus(wilc, RELEASE_ONLY); } +void host_wakeup_notify(struct wilc *wilc) +{ + acquire_bus(wilc, ACQUIRE_ONLY); + wilc->hif_func->hif_write_reg(wilc, 0x10b0, 1); + release_bus(wilc, RELEASE_ONLY); +} + +void host_sleep_notify(struct wilc *wilc) +{ + acquire_bus(wilc, ACQUIRE_ONLY); + wilc->hif_func->hif_write_reg(wilc, 0x10ac, 1); + release_bus(wilc, RELEASE_ONLY); +} + int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count) { int i, entries = 0; @@ -701,9 +714,6 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count) break; } PRINT_WRN(GENERIC_DBG, "[wilc txq]: warn, vmm table not clear yet, wait...\n"); - release_bus(wilc, RELEASE_ALLOW_SLEEP); - usleep_range(3000, 3000); - acquire_bus(wilc, ACQUIRE_AND_WAKEUP); } } while (!wilc->quit); @@ -736,9 +746,6 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count) break; } else { release_bus(wilc, RELEASE_ALLOW_SLEEP); - usleep_range(3000, 3000); - acquire_bus(wilc, ACQUIRE_AND_WAKEUP); - PRINT_WRN(GENERIC_DBG, "Can't get VMM entery - reg = %2x\n", reg); } } while (--timeout); if (timeout <= 0) { @@ -1156,7 +1163,7 @@ int wilc_wlan_start(struct wilc *wilc) #ifdef WILC_EXT_PA_INV_TX_RX reg |= WILC_HAVE_EXT_PA_INV_TX_RX; #endif - + reg |= WILC_HAVE_USE_IRQ_AS_HOST_WAKE; reg |= WILC_HAVE_LEGACY_RF_SETTINGS; #ifdef XTAL_24 reg |= WILC_HAVE_XTAL_24; diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h index 2edd7445f4a3..dd5abc52dfd9 100644 --- a/drivers/staging/wilc1000/wilc_wlan.h +++ b/drivers/staging/wilc1000/wilc_wlan.h @@ -106,6 +106,7 @@ #define WILC_HAVE_LEGACY_RF_SETTINGS BIT(5) #define WILC_HAVE_XTAL_24 BIT(6) #define WILC_HAVE_DISABLE_WILC_UART BIT(7) +#define WILC_HAVE_USE_IRQ_AS_HOST_WAKE BIT(8) /******************************************** * @@ -294,7 +295,8 @@ int wilc_mac_close(struct net_device *ndev); int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID); void WILC_WFI_p2p_rx(struct net_device *dev, u8 *buff, u32 size); - +void host_wakeup_notify(struct wilc *wilc); +void host_sleep_notify(struct wilc *wilc); extern bool wilc_enable_ps; #endif |