diff options
Diffstat (limited to 'drivers/misc/mei/hbm.h')
| -rw-r--r-- | drivers/misc/mei/hbm.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h index b552afbaf85..e80dc24ef3e 100644 --- a/drivers/misc/mei/hbm.h +++ b/drivers/misc/mei/hbm.h @@ -17,6 +17,27 @@ #ifndef _MEI_HBM_H_ #define _MEI_HBM_H_ +struct mei_device; +struct mei_msg_hdr; +struct mei_cl; + +/** + * enum mei_hbm_state - host bus message protocol state + * + * @MEI_HBM_IDLE : protocol not started + * @MEI_HBM_START : start request message was sent + * @MEI_HBM_ENUM_CLIENTS : enumeration request was sent + * @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties + */ +enum mei_hbm_state { + MEI_HBM_IDLE = 0, + MEI_HBM_START, + MEI_HBM_ENUM_CLIENTS, + MEI_HBM_CLIENT_PROPERTIES, + MEI_HBM_STARTED, + MEI_HBM_STOP, +}; + void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr); static inline void mei_hbm_hdr(struct mei_msg_hdr *hdr, size_t length) @@ -28,8 +49,8 @@ static inline void mei_hbm_hdr(struct mei_msg_hdr *hdr, size_t length) hdr->reserved = 0; } -void mei_hbm_start_req(struct mei_device *dev); - +int mei_hbm_start_req(struct mei_device *dev); +int mei_hbm_start_wait(struct mei_device *dev); int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl); int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl); int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl); |