diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 55a140ade5a7..0f85eb305878 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -308,6 +308,16 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r) #define IWL_FRAME_LIMIT 64 /** + * enum iwl_wowlan_status - WoWLAN image/device status + * @IWL_D3_STATUS_ALIVE: firmware is still running after resume + * @IWL_D3_STATUS_RESET: device was reset while suspended + */ +enum iwl_d3_status { + IWL_D3_STATUS_ALIVE, + IWL_D3_STATUS_RESET, +}; + +/** * struct iwl_trans_config - transport configuration * * @op_mode: pointer to the upper layer. @@ -363,9 +373,12 @@ struct iwl_trans; * May sleep * @stop_device:stops the whole device (embedded CPU put to reset) * May sleep - * @wowlan_suspend: put the device into the correct mode for WoWLAN during + * @d3_suspend: put the device into the correct mode for WoWLAN during * suspend. This is optional, if not implemented WoWLAN will not be * supported. This callback may sleep. + * @d3_resume: resume the device after WoWLAN, enabling the opmode to + * talk to the WoWLAN image to get its status. This is optional, if not + * implemented WoWLAN will not be supported. This callback may sleep. * @send_cmd:send a host command. Must return -ERFKILL if RFkill is asserted. * If RFkill is asserted in the middle of a SYNC host command, it must * return -ERFKILL straight away. @@ -409,7 +422,8 @@ struct iwl_trans_ops { void (*fw_alive)(struct iwl_trans *trans, u32 scd_addr); void (*stop_device)(struct iwl_trans *trans); - void (*wowlan_suspend)(struct iwl_trans *trans); + void (*d3_suspend)(struct iwl_trans *trans); + int (*d3_resume)(struct iwl_trans *trans, enum iwl_d3_status *status); int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd); @@ -562,10 +576,17 @@ static inline void iwl_trans_stop_device(struct iwl_trans *trans) trans->state = IWL_TRANS_NO_FW; } -static inline void iwl_trans_wowlan_suspend(struct iwl_trans *trans) +static inline void iwl_trans_d3_suspend(struct iwl_trans *trans) +{ + might_sleep(); + trans->ops->d3_suspend(trans); +} + +static inline int iwl_trans_d3_resume(struct iwl_trans *trans, + enum iwl_d3_status *status) { might_sleep(); - trans->ops->wowlan_suspend(trans); + return trans->ops->d3_resume(trans, status); } static inline int iwl_trans_send_cmd(struct iwl_trans *trans, |