diff options
Diffstat (limited to 'drivers/firmware/arm_scmi/protocols.h')
| -rw-r--r-- | drivers/firmware/arm_scmi/protocols.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index 317d3fb32676..8e95f53bd7b7 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -29,6 +29,8 @@ #define PROTOCOL_REV_MAJOR(x) ((u16)(FIELD_GET(PROTOCOL_REV_MAJOR_MASK, (x)))) #define PROTOCOL_REV_MINOR(x) ((u16)(FIELD_GET(PROTOCOL_REV_MINOR_MASK, (x)))) +#define SCMI_PROTOCOL_VENDOR_BASE 0x80 + enum scmi_common_cmd { PROTOCOL_VERSION = 0x0, PROTOCOL_ATTRIBUTES = 0x1, @@ -258,6 +260,7 @@ struct scmi_fc_info { * @fastchannel_init: A common helper used to initialize FC descriptors by * gathering FC descriptions from the SCMI platform server. * @fastchannel_db_ring: A common helper to ring a FC doorbell. + * @get_max_msg_size: A common helper to get the maximum message size. */ struct scmi_proto_helpers_ops { int (*extended_name_get)(const struct scmi_protocol_handle *ph, @@ -277,6 +280,7 @@ struct scmi_proto_helpers_ops { struct scmi_fc_db_info **p_db, u32 *rate_limit); void (*fastchannel_db_ring)(struct scmi_fc_db_info *db); + int (*get_max_msg_size)(const struct scmi_protocol_handle *ph); }; /** @@ -323,6 +327,16 @@ typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *); * protocol by the agent. Each protocol implementation * in the agent is supposed to downgrade to match the * protocol version supported by the platform. + * @vendor_id: A firmware vendor string for vendor protocols matching. + * Ignored when @id identifies a standard protocol, cannot be NULL + * otherwise. + * @sub_vendor_id: A firmware sub_vendor string for vendor protocols matching. + * Ignored if NULL or when @id identifies a standard protocol. + * @impl_ver: A firmware implementation version for vendor protocols matching. + * Ignored if zero or if @id identifies a standard protocol. + * + * Note that vendor protocols matching at load time is performed by attempting + * the closest match first against the tuple (vendor, sub_vendor, impl_ver) */ struct scmi_protocol { const u8 id; @@ -332,6 +346,9 @@ struct scmi_protocol { const void *ops; const struct scmi_protocol_events *events; unsigned int supported_version; + char *vendor_id; + char *sub_vendor_id; + u32 impl_ver; }; #define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(name, proto) \ @@ -353,6 +370,7 @@ void __exit scmi_##name##_unregister(void) \ DECLARE_SCMI_REGISTER_UNREGISTER(base); DECLARE_SCMI_REGISTER_UNREGISTER(clock); DECLARE_SCMI_REGISTER_UNREGISTER(perf); +DECLARE_SCMI_REGISTER_UNREGISTER(pinctrl); DECLARE_SCMI_REGISTER_UNREGISTER(power); DECLARE_SCMI_REGISTER_UNREGISTER(reset); DECLARE_SCMI_REGISTER_UNREGISTER(sensors); |