Angel Pons | 32859fc | 2020-04-02 23:48:27 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 2 | #ifndef _SAR_H_ |
| 3 | #define _SAR_H_ |
| 4 | |
| 5 | #include <stdint.h> |
| 6 | |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 7 | #define MAX_DSAR_SET_COUNT 3 |
| 8 | #define MAX_GEO_OFFSET_REVISION 3 |
| 9 | #define MAX_PROFILE_COUNT 2 |
| 10 | #define MAX_SAR_REVISION 2 |
| 11 | #define REVISION_SIZE 1 |
| 12 | #define SAR_REV0_CHAINS_COUNT 2 |
| 13 | #define SAR_REV0_SUBBANDS_COUNT 5 |
| 14 | #define SAR_FILE_REVISION 1 |
| 15 | #define SAR_STR_PREFIX "$SAR" |
| 16 | #define SAR_STR_PREFIX_SIZE 4 |
Pratik Prajapati | 7fd1e4b | 2017-08-11 14:06:57 -0700 | [diff] [blame] | 17 | |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 18 | struct geo_profile { |
| 19 | uint8_t revision; |
| 20 | uint8_t chains_count; |
| 21 | uint8_t bands_count; |
| 22 | uint8_t wgds_table[0]; |
| 23 | } __packed; |
| 24 | |
| 25 | struct sar_profile { |
| 26 | uint8_t revision; |
| 27 | uint8_t dsar_set_count; |
| 28 | uint8_t chains_count; |
| 29 | uint8_t subbands_count; |
| 30 | uint8_t sar_table[0]; |
| 31 | } __packed; |
| 32 | |
| 33 | struct sar_header { |
| 34 | char marker[SAR_STR_PREFIX_SIZE]; |
Pratik Prajapati | 7fd1e4b | 2017-08-11 14:06:57 -0700 | [diff] [blame] | 35 | uint8_t version; |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 36 | uint16_t offsets[0]; |
Pratik Prajapati | 7fd1e4b | 2017-08-11 14:06:57 -0700 | [diff] [blame] | 37 | } __packed; |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 38 | |
| 39 | /* Wifi SAR limit table structure */ |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 40 | union wifi_sar_limits { |
| 41 | struct { |
| 42 | struct sar_profile *sar; |
| 43 | struct geo_profile *wgds; |
| 44 | }; |
| 45 | void *profile[MAX_PROFILE_COUNT]; |
| 46 | }; |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 47 | |
| 48 | /* |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 49 | * Retrieve the wifi ACPI configuration data from CBFS and decode it |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 50 | * sar_limits: Pointer to wifi_sar_limits where the resulted data is stored |
| 51 | * |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 52 | * Returns: 0 on success, -1 on errors (The .hex file doesn't exist, or the decode failed) |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 53 | */ |
Sugnan Prabhu S | fcb4f2d | 2021-07-30 20:12:22 +0530 | [diff] [blame^] | 54 | int get_wifi_sar_limits(union wifi_sar_limits *sar_limits); |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 55 | |
Furquan Shaikh | 7fe5d3d | 2021-03-13 22:54:16 -0800 | [diff] [blame] | 56 | #define WIFI_SAR_CBFS_DEFAULT_FILENAME "wifi_sar_defaults.hex" |
| 57 | |
Justin TerAvest | c650d6c | 2018-12-14 11:05:03 -0700 | [diff] [blame] | 58 | const char *get_wifi_sar_cbfs_filename(void); |
| 59 | |
Robbie Zhang | ed84002 | 2016-12-23 11:43:07 -0800 | [diff] [blame] | 60 | #endif /* _SAR_H_ */ |