d70f481891
Add support for DSM methods as per the connectivity document 559910_Intel_Connectivity_Platforms_BIOS_Guidelines_Rev6_4.pdf BUG=b:191720858 TEST=Check the generated SSDT tables for DSM methods Change-Id: Ie154edf188531fe6c260274edaa694cf3b3605d3 Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/56751 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _SAR_H_
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#define _SAR_H_
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#include <stdint.h>
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#define MAX_ANT_GAINS_REVISION 2
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#define MAX_DENYLIST_ENTRY 16
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#define MAX_DSAR_SET_COUNT 3
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#define MAX_GEO_OFFSET_REVISION 3
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#define MAX_PROFILE_COUNT 5
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#define MAX_SAR_REVISION 2
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#define REVISION_SIZE 1
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#define SAR_REV0_CHAINS_COUNT 2
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#define SAR_REV0_SUBBANDS_COUNT 5
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#define SAR_FILE_REVISION 1
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#define SAR_STR_PREFIX "$SAR"
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#define SAR_STR_PREFIX_SIZE 4
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struct geo_profile {
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uint8_t revision;
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uint8_t chains_count;
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uint8_t bands_count;
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uint8_t wgds_table[0];
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} __packed;
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struct sar_profile {
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uint8_t revision;
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uint8_t dsar_set_count;
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uint8_t chains_count;
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uint8_t subbands_count;
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uint8_t sar_table[0];
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} __packed;
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struct gain_profile {
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uint8_t revision;
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uint8_t mode;
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uint8_t chains_count;
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uint8_t bands_count;
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uint8_t ppag_table[0];
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} __packed;
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struct avg_profile {
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uint8_t revision;
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uint8_t tas_selection;
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uint8_t tas_list_size;
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uint8_t deny_list_entry[MAX_DENYLIST_ENTRY];
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} __packed;
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struct dsm_profile {
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uint32_t supported_functions;
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uint32_t disable_active_sdr_channels;
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uint32_t support_indonesia_5g_band;
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uint32_t support_ultra_high_band;
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uint32_t regulatory_configurations;
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uint32_t uart_configurations;
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uint32_t enablement_11ax;
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uint32_t unii_4;
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};
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struct sar_header {
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char marker[SAR_STR_PREFIX_SIZE];
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uint8_t version;
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uint16_t offsets[0];
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} __packed;
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/* Wifi SAR limit table structure */
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union wifi_sar_limits {
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struct {
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struct sar_profile *sar;
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struct geo_profile *wgds;
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struct gain_profile *ppag;
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struct avg_profile *wtas;
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struct dsm_profile *dsm;
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};
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void *profile[MAX_PROFILE_COUNT];
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};
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/*
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* Retrieve the wifi ACPI configuration data from CBFS and decode it
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* sar_limits: Pointer to wifi_sar_limits where the resulted data is stored
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*
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* Returns: 0 on success, -1 on errors (The .hex file doesn't exist, or the decode failed)
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*/
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int get_wifi_sar_limits(union wifi_sar_limits *sar_limits);
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#define WIFI_SAR_CBFS_DEFAULT_FILENAME "wifi_sar_defaults.hex"
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const char *get_wifi_sar_cbfs_filename(void);
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#endif /* _SAR_H_ */
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