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

   1 /*
   2  * Copyright (c) 2014 Qualcomm Atheros, Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #define WIL_FW_SIGNATURE (0x36323130) /* '0126' */
  18 #define WIL_FW_FMT_VERSION (1) /* format version driver supports */
  19
  20 enum wil_fw_record_type {
  21         wil_fw_type_comment = 1,
  22         wil_fw_type_data = 2,
  23         wil_fw_type_fill = 3,
  24         wil_fw_type_action = 4,
  25         wil_fw_type_verify = 5,
  26         wil_fw_type_file_header = 6,
  27         wil_fw_type_direct_write = 7,
  28         wil_fw_type_gateway_data = 8,
  29         wil_fw_type_gateway_data4 = 9,
  30 };
  31
  32 struct wil_fw_record_head {
  33         __le16 type; /* enum wil_fw_record_type */
  34         __le16 flags; /* to be defined */
  35         __le32 size; /* whole record, bytes after head */
  36 } __packed;
  37
  38 /* data block. write starting from @addr
  39  * data_size inferred from the @head.size. For this case,
  40  * data_size = @head.size - offsetof(struct wil_fw_record_data, data)
  41  */
  42 struct wil_fw_record_data { /* type == wil_fw_type_data */
  43         __le32 addr;
  44         __le32 data[0]; /* [data_size], see above */
  45 } __packed;
  46
  47 /* fill with constant @value, @size bytes starting from @addr */
  48 struct wil_fw_record_fill { /* type == wil_fw_type_fill */
  49         __le32 addr;
  50         __le32 value;
  51         __le32 size;
  52 } __packed;
  53
  54 /* free-form comment
  55  * for informational purpose, data_size is @head.size from record header
  56  */
  57 struct wil_fw_record_comment { /* type == wil_fw_type_comment */
  58         u8 data[0]; /* free-form data [data_size], see above */
  59 } __packed;
  60
  61 /* perform action
  62  * data_size = @head.size - offsetof(struct wil_fw_record_action, data)
  63  */
  64 struct wil_fw_record_action { /* type == wil_fw_type_action */
  65         __le32 action; /* action to perform: reset, wait for fw ready etc. */
  66         __le32 data[0]; /* action specific, [data_size], see above */
  67 } __packed;
  68
  69 /* data block for struct wil_fw_record_direct_write */
  70 struct wil_fw_data_dwrite {
  71         __le32 addr;
  72         __le32 value;
  73         __le32 mask;
  74 } __packed;
  75
  76 /* write @value to the @addr,
  77  * preserve original bits accordingly to the @mask
  78  * data_size is @head.size where @head is record header
  79  */
  80 struct wil_fw_record_direct_write { /* type == wil_fw_type_direct_write */
  81         struct wil_fw_data_dwrite data[0];
  82 } __packed;
  83
  84 /* verify condition: [@addr] & @mask == @value
  85  * if condition not met, firmware download fails
  86  */
  87 struct wil_fw_record_verify { /* type == wil_fw_verify */
  88         __le32 addr; /* read from this address */
  89         __le32 value; /* reference value */
  90         __le32 mask; /* mask for verification */
  91 } __packed;
  92
  93 /* file header
  94  * First record of every file
  95  */
  96 struct wil_fw_record_file_header {
  97         __le32 signature ; /* Wilocity signature */
  98         __le32 reserved;
  99         __le32 crc; /* crc32 of the following data  */
 100         __le32 version; /* format version */
 101         __le32 data_len; /* total data in file, including this record */
 102         u8 comment[32]; /* short description */
 103 } __packed;
 104
 105 /* 1-dword gateway */
 106 /* data block for the struct wil_fw_record_gateway_data */
 107 struct wil_fw_data_gw {
 108         __le32 addr;
 109         __le32 value;
 110 } __packed;
 111
 112 /* gateway write block.
 113  * write starting address and values from the data buffer
 114  * through the gateway
 115  * data_size inferred from the @head.size. For this case,
 116  * data_size = @head.size - offsetof(struct wil_fw_record_gateway_data, data)
 117  */
 118 struct wil_fw_record_gateway_data { /* type == wil_fw_type_gateway_data */
 119         __le32 gateway_addr_addr;
 120         __le32 gateway_value_addr;
 121         __le32 gateway_cmd_addr;
 122         __le32 gateway_ctrl_address;
 123 #define WIL_FW_GW_CTL_BUSY      BIT(29) /* gateway busy performing operation */
 124 #define WIL_FW_GW_CTL_RUN       BIT(30) /* start gateway operation */
 125         __le32 command;
 126         struct wil_fw_data_gw data[0]; /* total size [data_size], see above */
 127 } __packed;
 128
 129 /* 4-dword gateway */
 130 /* data block for the struct wil_fw_record_gateway_data4 */
 131 struct wil_fw_data_gw4 {
 132         __le32 addr;
 133         __le32 value[4];
 134 } __packed;
 135
 136 /* gateway write block.
 137  * write starting address and values from the data buffer
 138  * through the gateway
 139  * data_size inferred from the @head.size. For this case,
 140  * data_size = @head.size - offsetof(struct wil_fw_record_gateway_data4, data)
 141  */
 142 struct wil_fw_record_gateway_data4 { /* type == wil_fw_type_gateway_data4 */
 143         __le32 gateway_addr_addr;
 144         __le32 gateway_value_addr[4];
 145         __le32 gateway_cmd_addr;
 146         __le32 gateway_ctrl_address; /* same logic as for 1-dword gw */
 147         __le32 command;
 148         struct wil_fw_data_gw4 data[0]; /* total size [data_size], see above */
 149 } __packed;