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drivers/wifi: Support Bluetooth Dual Chain Mode

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This feature provides ability to provide dual chain setting.

The implementation follows document 559910 Intel Connectivity
Platforms BIOS Guideline revision 9.2 specification.

BUG=b:346600091
TEST=BDCM method is added to the bluetooth companion device and
     return the data supplied by the SAR binary blob

Change-Id: Iebe95815c944d045f4cf686abcd1874a8a45e220
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84943
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
This commit is contained in:
Jeremy Compostella 2024-10-29 10:40:27 -07:00 • committed by Jérémy Compostella
commit 67dff1b2b1
3 changed files with 53 additions and 1 deletions
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9
src/include/sar.h
View file

@ -9,12 +9,13 @@
#define MAX_DENYLIST_ENTRY 16
#define MAX_DSAR_SET_COUNT 3
#define MAX_GEO_OFFSET_REVISION 3
#define MAX_PROFILE_COUNT 9
#define MAX_PROFILE_COUNT 10
#define MAX_SAR_REVISION 2
#define BSAR_REVISION 1
#define WBEM_REVISION 0
#define BPAG_REVISION 2
#define BBFB_REVISION 1
#define BDCM_REVISION 1
#define REVISION_SIZE 1
#define SAR_REV0_CHAINS_COUNT 2
#define SAR_REV0_SUBBANDS_COUNT 5
@ -93,6 +94,11 @@ struct bbfb_profile {
uint8_t enable_quad_filter_bypass;
} __packed;
struct bdcm_profile {
uint8_t revision;
uint32_t dual_chain_mode;
} __packed;
struct sar_header {
char marker[SAR_STR_PREFIX_SIZE];
uint8_t version;
@ -111,6 +117,7 @@ union wifi_sar_limits {
struct wbem_profile *wbem;
struct bpag_profile *bpag;
struct bbfb_profile *bbfb;
struct bdcm_profile *bdcm;
};
void *profile[MAX_PROFILE_COUNT];
};