1// SPDX-License-Identifier: ISC 2/* 3 * Copyright (c) 2013 Broadcom Corporation 4 */ 5#ifndef BRCMFMAC_FIRMWARE_H 6#define BRCMFMAC_FIRMWARE_H 7 8#define BRCMF_FW_REQF_OPTIONAL 0x0001 9 10#define BRCMF_FW_NAME_LEN 320 11 12#define BRCMF_FW_DEFAULT_PATH "brcm/" 13 14#define BRCMF_FW_MAX_BOARD_TYPES 8 15 16/** 17 * struct brcmf_firmware_mapping - Used to map chipid/revmask to firmware 18 * filename and nvram filename. Each bus type implementation should create 19 * a table of firmware mappings (using the macros defined below). 20 * 21 * @chipid: ID of chip. 22 * @revmask: bitmask of revisions, e.g. 0x10 means rev 4 only, 0xf means rev 0-3 23 * @fw: name of the firmware file. 24 * @nvram: name of nvram file. 25 */ 26struct brcmf_firmware_mapping { 27 u32 chipid; 28 u32 revmask; 29 const char *fw_base; 30}; 31 32#define BRCMF_FW_DEF(fw_name, fw_base) \ 33static const char BRCM_ ## fw_name ## _FIRMWARE_BASENAME[] = \ 34 BRCMF_FW_DEFAULT_PATH fw_base; \ 35MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH fw_base ".bin") 36 37/* Firmware and Country Local Matrix files */ 38#define BRCMF_FW_CLM_DEF(fw_name, fw_base) \ 39static const char BRCM_ ## fw_name ## _FIRMWARE_BASENAME[] = \ 40 BRCMF_FW_DEFAULT_PATH fw_base; \ 41MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH fw_base ".bin"); \ 42MODULE_FIRMWARE(BRCMF_FW_DEFAULT_PATH fw_base ".clm_blob") 43 44#define BRCMF_FW_ENTRY(chipid, mask, name) \ 45 { chipid, mask, BRCM_ ## name ## _FIRMWARE_BASENAME } 46 47void brcmf_fw_nvram_free(void *nvram); 48 49enum brcmf_fw_type { 50 BRCMF_FW_TYPE_BINARY, 51 BRCMF_FW_TYPE_NVRAM 52}; 53 54struct brcmf_fw_item { 55 const char *path; 56 enum brcmf_fw_type type; 57 u16 flags; 58 union { 59 const struct firmware *binary; 60 struct { 61 void *data; 62 u32 len; 63 } nv_data; 64 }; 65}; 66 67struct brcmf_fw_request { 68 u16 domain_nr; 69 u16 bus_nr; 70 u32 n_items; 71 const char *board_types[BRCMF_FW_MAX_BOARD_TYPES]; 72 struct brcmf_fw_item items[] __counted_by(n_items); 73}; 74 75struct brcmf_fw_name { 76 const char *extension; 77 char *path; 78}; 79 80struct brcmf_fw_request * 81brcmf_fw_alloc_request(u32 chip, u32 chiprev, 82 const struct brcmf_firmware_mapping mapping_table[], 83 u32 table_size, struct brcmf_fw_name *fwnames, 84 u32 n_fwnames); 85 86/* 87 * Request firmware(s) asynchronously. When the asynchronous request 88 * fails it will not use the callback, but call device_release_driver() 89 * instead which will call the driver .remove() callback. 90 */ 91int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req, 92 void (*fw_cb)(struct device *dev, int err, 93 struct brcmf_fw_request *req)); 94 95#endif /* BRCMFMAC_FIRMWARE_H */ 96