drivers/net/wireless/ath/wil6210/fw.h

   1 /* SPDX-License-Identifier: ISC */
   2 /*
   3  * Copyright (c) 2014,2016 Qualcomm Atheros, Inc.
   4  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
   5  */
   6 #ifndef __WIL_FW_H__
   7 #define __WIL_FW_H__
   8
   9 #define WIL_FW_SIGNATURE (0x36323130) /* '0126' */
  10 #define WIL_FW_FMT_VERSION (1) /* format version driver supports */
  11
  12 enum wil_fw_record_type {
  13         wil_fw_type_comment = 1,
  14         wil_fw_type_data = 2,
  15         wil_fw_type_fill = 3,
  16         wil_fw_type_action = 4,
  17         wil_fw_type_verify = 5,
  18         wil_fw_type_file_header = 6,
  19         wil_fw_type_direct_write = 7,
  20         wil_fw_type_gateway_data = 8,
  21         wil_fw_type_gateway_data4 = 9,
  22 };
  23
  24 struct wil_fw_record_head {
  25         __le16 type; /* enum wil_fw_record_type */
  26         __le16 flags; /* to be defined */
  27         __le32 size; /* whole record, bytes after head */
  28 } __packed;
  29
  30 /* data block. write starting from @addr
  31  * data_size inferred from the @head.size. For this case,
  32  * data_size = @head.size - offsetof(struct wil_fw_record_data, data)
  33  */
  34 struct wil_fw_record_data { /* type == wil_fw_type_data */
  35         __le32 addr;
  36         __le32 data[]; /* [data_size], see above */
  37 } __packed;
  38
  39 /* fill with constant @value, @size bytes starting from @addr */
  40 struct wil_fw_record_fill { /* type == wil_fw_type_fill */
  41         __le32 addr;
  42         __le32 value;
  43         __le32 size;
  44 } __packed;
  45
  46 /* free-form comment
  47  * for informational purpose, data_size is @head.size from record header
  48  */
  49 struct wil_fw_record_comment { /* type == wil_fw_type_comment */
  50         DECLARE_FLEX_ARRAY(u8, data); /* free-form data [data_size], see above */
  51 } __packed;
  52
  53 /* Comment header - common for all comment record types */
  54 struct wil_fw_record_comment_hdr {
  55         __le32 magic;
  56 };
  57
  58 /* FW capabilities encoded inside a comment record */
  59 #define WIL_FW_CAPABILITIES_MAGIC (0xabcddcba)
  60 struct wil_fw_record_capabilities { /* type == wil_fw_type_comment */
  61         /* identifies capabilities record */
  62         struct wil_fw_record_comment_hdr hdr;
  63         /* capabilities (variable size), see enum wmi_fw_capability */
  64         u8 capabilities[];
  65 } __packed;
  66
  67 /* FW VIF concurrency encoded inside a comment record
  68  * Format is similar to wiphy->iface_combinations
  69  */
  70 #define WIL_FW_CONCURRENCY_MAGIC (0xfedccdef)
  71 #define WIL_FW_CONCURRENCY_REC_VER      1
  72 struct wil_fw_concurrency_limit {
  73         __le16 max; /* maximum number of interfaces of these types */
  74         __le16 types; /* interface types (bit mask of enum nl80211_iftype) */
  75 } __packed;
  76
  77 struct wil_fw_concurrency_combo {
  78         u8 n_limits; /* number of wil_fw_concurrency_limit entries */
  79         u8 max_interfaces; /* max number of concurrent interfaces allowed */
  80         u8 n_diff_channels; /* total number of different channels allowed */
  81         u8 same_bi; /* for APs, 1 if all APs must have same BI */
  82         /* keep last - concurrency limits, variable size by n_limits */
  83         struct wil_fw_concurrency_limit limits[];
  84 } __packed;
  85
  86 struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */
  87         /* identifies concurrency record */
  88         __le32 magic;
  89         /* structure version, currently always 1 */
  90         u8 version;
  91         /* maximum number of supported MIDs _in addition_ to MID 0 */
  92         u8 n_mids;
  93         /* number of concurrency combinations that follow */
  94         __le16 n_combos;
  95         /* keep last - combinations, variable size by n_combos */
  96 } __packed;
  97
  98 /* brd file info encoded inside a comment record */
  99 #define WIL_BRD_FILE_MAGIC (0xabcddcbb)
 100
 101 struct brd_info {
 102         __le32 base_addr;
 103         __le32 max_size_bytes;
 104 } __packed;
 105
 106 struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */
 107         /* identifies brd file record */
 108         struct wil_fw_record_comment_hdr hdr;
 109         __le32 version;
 110         struct brd_info brd_info[];
 111 } __packed;
 112
 113 /* perform action
 114  * data_size = @head.size - offsetof(struct wil_fw_record_action, data)
 115  */
 116 struct wil_fw_record_action { /* type == wil_fw_type_action */
 117         __le32 action; /* action to perform: reset, wait for fw ready etc. */
 118         __le32 data[]; /* action specific, [data_size], see above */
 119 } __packed;
 120
 121 /* data block for struct wil_fw_record_direct_write */
 122 struct wil_fw_data_dwrite {
 123         __le32 addr;
 124         __le32 value;
 125         __le32 mask;
 126 } __packed;
 127
 128 /* write @value to the @addr,
 129  * preserve original bits accordingly to the @mask
 130  * data_size is @head.size where @head is record header
 131  */
 132 struct wil_fw_record_direct_write { /* type == wil_fw_type_direct_write */
 133         DECLARE_FLEX_ARRAY(struct wil_fw_data_dwrite, data);
 134 } __packed;
 135
 136 /* verify condition: [@addr] & @mask == @value
 137  * if condition not met, firmware download fails
 138  */
 139 struct wil_fw_record_verify { /* type == wil_fw_verify */
 140         __le32 addr; /* read from this address */
 141         __le32 value; /* reference value */
 142         __le32 mask; /* mask for verification */
 143 } __packed;
 144
 145 /* file header
 146  * First record of every file
 147  */
 148 /* the FW version prefix in the comment */
 149 #define WIL_FW_VERSION_PREFIX "FW version: "
 150 #define WIL_FW_VERSION_PREFIX_LEN (sizeof(WIL_FW_VERSION_PREFIX) - 1)
 151 struct wil_fw_record_file_header {
 152         __le32 signature ; /* Wilocity signature */
 153         __le32 reserved;
 154         __le32 crc; /* crc32 of the following data  */
 155         __le32 version; /* format version */
 156         __le32 data_len; /* total data in file, including this record */
 157         u8 comment[32]; /* short description */
 158 } __packed;
 159
 160 /* 1-dword gateway */
 161 /* data block for the struct wil_fw_record_gateway_data */
 162 struct wil_fw_data_gw {
 163         __le32 addr;
 164         __le32 value;
 165 } __packed;
 166
 167 /* gateway write block.
 168  * write starting address and values from the data buffer
 169  * through the gateway
 170  * data_size inferred from the @head.size. For this case,
 171  * data_size = @head.size - offsetof(struct wil_fw_record_gateway_data, data)
 172  */
 173 struct wil_fw_record_gateway_data { /* type == wil_fw_type_gateway_data */
 174         __le32 gateway_addr_addr;
 175         __le32 gateway_value_addr;
 176         __le32 gateway_cmd_addr;
 177         __le32 gateway_ctrl_address;
 178 #define WIL_FW_GW_CTL_BUSY      BIT(29) /* gateway busy performing operation */
 179 #define WIL_FW_GW_CTL_RUN       BIT(30) /* start gateway operation */
 180         __le32 command;
 181         struct wil_fw_data_gw data[]; /* total size [data_size], see above */
 182 } __packed;
 183
 184 /* 4-dword gateway */
 185 /* data block for the struct wil_fw_record_gateway_data4 */
 186 struct wil_fw_data_gw4 {
 187         __le32 addr;
 188         __le32 value[4];
 189 } __packed;
 190
 191 /* gateway write block.
 192  * write starting address and values from the data buffer
 193  * through the gateway
 194  * data_size inferred from the @head.size. For this case,
 195  * data_size = @head.size - offsetof(struct wil_fw_record_gateway_data4, data)
 196  */
 197 struct wil_fw_record_gateway_data4 { /* type == wil_fw_type_gateway_data4 */
 198         __le32 gateway_addr_addr;
 199         __le32 gateway_value_addr[4];
 200         __le32 gateway_cmd_addr;
 201         __le32 gateway_ctrl_address; /* same logic as for 1-dword gw */
 202         __le32 command;
 203         struct wil_fw_data_gw4 data[]; /* total size [data_size], see above */
 204 } __packed;
 205
 206 #endif /* __WIL_FW_H__ */