coreboot-kgpe-d16/src/include/sar.h
Eric Lai 8cb2f185d1 vc/google/chromeos: use fw_config field to return sar filename
Use fw_config field to return sar filename instead of fw_config probe.
Return filename unconditionly because the sar_id must be valid in
CBI. If invalid sar_id, the file won't exist in CBFS by design.

Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: I7b75c5d4fd3c459ad7232bb16c6218a6218f1f77
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70896
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
2022-12-24 05:50:13 +00:00

94 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _SAR_H_
#define _SAR_H_
#include <fw_config.h>
#include <stdint.h>
#define MAX_ANT_GAINS_REVISION 2
#define MAX_DENYLIST_ENTRY 16
#define MAX_DSAR_SET_COUNT 3
#define MAX_GEO_OFFSET_REVISION 3
#define MAX_PROFILE_COUNT 5
#define MAX_SAR_REVISION 2
#define REVISION_SIZE 1
#define SAR_REV0_CHAINS_COUNT 2
#define SAR_REV0_SUBBANDS_COUNT 5
#define SAR_FILE_REVISION 1
#define SAR_STR_PREFIX "$SAR"
#define SAR_STR_PREFIX_SIZE 4
struct geo_profile {
uint8_t revision;
uint8_t chains_count;
uint8_t bands_count;
uint8_t wgds_table[0];
} __packed;
struct sar_profile {
uint8_t revision;
uint8_t dsar_set_count;
uint8_t chains_count;
uint8_t subbands_count;
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 avg_profile {
uint8_t revision;
uint8_t tas_selection;
uint8_t tas_list_size;
uint16_t deny_list_entry[MAX_DENYLIST_ENTRY];
} __packed;
struct dsm_profile {
uint32_t supported_functions;
uint32_t disable_active_sdr_channels;
uint32_t support_indonesia_5g_band;
uint32_t support_ultra_high_band;
uint32_t regulatory_configurations;
uint32_t uart_configurations;
uint32_t enablement_11ax;
uint32_t unii_4;
};
struct sar_header {
char marker[SAR_STR_PREFIX_SIZE];
uint8_t version;
uint16_t offsets[0];
} __packed;
/* Wifi SAR limit table structure */
union wifi_sar_limits {
struct {
struct sar_profile *sar;
struct geo_profile *wgds;
struct gain_profile *ppag;
struct avg_profile *wtas;
struct dsm_profile *dsm;
};
void *profile[MAX_PROFILE_COUNT];
};
/*
* Retrieve the wifi ACPI configuration data from CBFS and decode it
* sar_limits: Pointer to wifi_sar_limits where the resulted data is stored
*
* Returns: 0 on success, -1 on errors (The .hex file doesn't exist, or the decode failed)
*/
int get_wifi_sar_limits(union wifi_sar_limits *sar_limits);
#define WIFI_SAR_CBFS_DEFAULT_FILENAME "wifi_sar_defaults.hex"
const char *get_wifi_sar_cbfs_filename(void);
char *get_wifi_sar_fw_config_filename(const struct fw_config_field *field);
#endif /* _SAR_H_ */