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Commit 1e8e22b5 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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greybus: svc: add stub interface-activate function 



Add message structures (based on the current spec) for the SVC Interface
Activate operation, and a stub function that always return the Greybus
interface type.

Signed-off-by: default avatarJohan Hovold <johan@hovoldconsulting.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 017482b2

drivers/staging/greybus/greybus_protocols.h

+14 −0
Original line number Diff line number Diff line
@@ -802,6 +802,7 @@ struct gb_spi_transfer_response { 
#define GB_SVC_TYPE_PWRMON_RAIL_NAMES_GET	0x15

#define GB_SVC_TYPE_PWRMON_SAMPLE_GET		0x16

#define GB_SVC_TYPE_PWRMON_INTF_SAMPLE_GET	0x17

#define GB_SVC_TYPE_INTF_ACTIVATE		0x27



/*

 * SVC version request/response has the same payload as
@@ -1008,6 +1009,19 @@ struct gb_svc_pwrmon_intf_sample_get_response { 
	__le32	measurement;

} __packed;



struct gb_svc_intf_activate_request {

	__u8	intf_id;

} __packed;



#define GB_SVC_INTF_TYPE_UNKNOWN		0x00

#define GB_SVC_INTF_TYPE_DUMMY			0x01

#define GB_SVC_INTF_TYPE_UNIPRO			0x02

#define GB_SVC_INTF_TYPE_GREYBUS		0x03



struct gb_svc_intf_activate_response {

	__u8	intf_type;

} __packed;



/* RAW */



/* Version of the Greybus raw protocol we support */

drivers/staging/greybus/svc.c

+9 −0
Original line number Diff line number Diff line
@@ -274,6 +274,15 @@ int gb_svc_intf_unipro_set(struct gb_svc *svc, u8 intf_id, bool enable) 
	return 0;

}



int gb_svc_intf_activate(struct gb_svc *svc, u8 intf_id, u8 *intf_type)

{

	/* FIXME: implement */



	*intf_type = GB_SVC_INTF_TYPE_GREYBUS;



	return 0;

}



int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,

			u32 *value)

{

drivers/staging/greybus/svc.h

+1 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ int gb_svc_intf_eject(struct gb_svc *svc, u8 intf_id); 
int gb_svc_intf_vsys_set(struct gb_svc *svc, u8 intf_id, bool enable);

int gb_svc_intf_refclk_set(struct gb_svc *svc, u8 intf_id, bool enable);

int gb_svc_intf_unipro_set(struct gb_svc *svc, u8 intf_id, bool enable);

int gb_svc_intf_activate(struct gb_svc *svc, u8 intf_id, u8 *intf_type);

int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,

			u32 *value);

int gb_svc_dme_peer_set(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,