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lib/nhlt: add support for passing subsystem_id to endpoint's structure 

This patch adds subsystem_id to nhlt structure whose value is
passed on to the endpoint's structure. Its default value is
retained to be NHLT_SSID.

Change-Id: Iad53f27e958f50e02e928cd8fa60d8397ca0eb06
Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Reviewed-on: https://review.coreboot.org/26046
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Harsha Priya 2018-05-03 18:07:40 -07:00 committed by Patrick Georgi
parent 3b755c20f8
commit 5c31511f35
2 changed files with 3 additions and 1 deletions
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1
src/include/nhlt.h
View File

@ -298,6 +298,7 @@ struct nhlt_endpoint {
#define MAX_ENDPOINTS 8 #define MAX_ENDPOINTS 8
struct nhlt { struct nhlt {
uint32_t subsystem_id;
uint8_t num_endpoints; uint8_t num_endpoints;
struct nhlt_endpoint endpoints[MAX_ENDPOINTS]; struct nhlt_endpoint endpoints[MAX_ENDPOINTS];
uint8_t current_instance_id[NHLT_MAX_LINK_TYPES]; uint8_t current_instance_id[NHLT_MAX_LINK_TYPES];

3
src/lib/nhlt.c
View File

@ -43,6 +43,7 @@ struct nhlt *nhlt_init(void)
return NULL; return NULL;
memset(nhlt, 0, sizeof(*nhlt)); memset(nhlt, 0, sizeof(*nhlt));
nhlt->subsystem_id = NHLT_SSID;
return nhlt; return nhlt;
} }
@ -66,7 +67,7 @@ struct nhlt_endpoint *nhlt_add_endpoint(struct nhlt *nhlt, int link_type,
endp->vendor_id = vid; endp->vendor_id = vid;
endp->device_id = did; endp->device_id = did;
endp->revision_id = NHLT_RID; endp->revision_id = NHLT_RID;
endp->subsystem_id = NHLT_SSID; endp->subsystem_id = nhlt->subsystem_id;
endp->device_type = device_type; endp->device_type = device_type;
endp->direction = dir; endp->direction = dir;
endp->virtual_bus_id = DEFAULT_VIRTUAL_BUS_ID; endp->virtual_bus_id = DEFAULT_VIRTUAL_BUS_ID;