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wifi: Add support for per-platform antenna gain

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Add support for the PPAG ACPI BIOS configuration table as per the
connectivity document:
559910_Intel_Connectivity_Platforms_BIOS_Guidelines_Rev6_4.pdf

BUG=b:193665559
TEST=Generated SAR file with the PPAG related configuration values and
verified that the SSDT has the PPAG ACPI table.

Change-Id: Ie8d25113feeeb4a4242cfd7d72a5091d2d5fb389
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57060
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Sugnan Prabhu S
2021-08-31 07:11:35 +05:30
committed by Tim Wawrzynczak
parent fcb4f2d77e
commit d1fc832c52
3 changed files with 90 additions and 1 deletions
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12
src/include/sar.h
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@@ -4,9 +4,10 @@
#include <stdint.h>
#define MAX_ANT_GAINS_REVISION 2
#define MAX_DSAR_SET_COUNT 3
#define MAX_GEO_OFFSET_REVISION 3
#define MAX_PROFILE_COUNT 2
#define MAX_PROFILE_COUNT 3
#define MAX_SAR_REVISION 2
#define REVISION_SIZE 1
#define SAR_REV0_CHAINS_COUNT 2
@@ -30,6 +31,14 @@ struct sar_profile {
uint8_t sar_table[0];
} __packed;
struct gain_profile {
uint8_t revision;
uint8_t mode;
uint8_t chains_count;
uint8_t bands_count;
uint8_t ppag_table[0];
} __packed;
struct sar_header {
char marker[SAR_STR_PREFIX_SIZE];
uint8_t version;
@@ -41,6 +50,7 @@ union wifi_sar_limits {
struct {
struct sar_profile *sar;
struct geo_profile *wgds;
struct gain_profile *ppag;
};
void *profile[MAX_PROFILE_COUNT];
};