drivers/net/wireless/ath/ath10k/swap.h

   1 /* SPDX-License-Identifier: ISC */
   2 /*
   3  * Copyright (c) 2015-2016 Qualcomm Atheros, Inc.
   4  */
   5
   6 #ifndef _SWAP_H_
   7 #define _SWAP_H_
   8
   9 #define ATH10K_SWAP_CODE_SEG_BIN_LEN_MAX        (512 * 1024)
  10 #define ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ     12
  11 #define ATH10K_SWAP_CODE_SEG_NUM_MAX            16
  12 /* Currently only one swap segment is supported */
  13 #define ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED      1
  14
  15 struct ath10k_fw_file;
  16
  17 struct ath10k_swap_code_seg_tlv {
  18         __le32 address;
  19         __le32 length;
  20         u8 data[0];
  21 } __packed;
  22
  23 struct ath10k_swap_code_seg_tail {
  24         u8 magic_signature[ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ];
  25         __le32 bmi_write_addr;
  26 } __packed;
  27
  28 union ath10k_swap_code_seg_item {
  29         struct ath10k_swap_code_seg_tlv tlv;
  30         struct ath10k_swap_code_seg_tail tail;
  31 } __packed;
  32
  33 struct ath10k_swap_code_seg_hw_info {
  34         /* Swap binary image size */
  35         __le32 swap_size;
  36         __le32 num_segs;
  37
  38         /* Swap data size */
  39         __le32 size;
  40         __le32 size_log2;
  41         __le32 bus_addr[ATH10K_SWAP_CODE_SEG_NUM_MAX];
  42         __le64 reserved[ATH10K_SWAP_CODE_SEG_NUM_MAX];
  43 } __packed;
  44
  45 struct ath10k_swap_code_seg_info {
  46         struct ath10k_swap_code_seg_hw_info seg_hw_info;
  47         void *virt_address[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED];
  48         u32 target_addr;
  49         dma_addr_t paddr[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED];
  50 };
  51
  52 int ath10k_swap_code_seg_configure(struct ath10k *ar,
  53                                    const struct ath10k_fw_file *fw_file);
  54 void ath10k_swap_code_seg_release(struct ath10k *ar,
  55                                   struct ath10k_fw_file *fw_file);
  56 int ath10k_swap_code_seg_init(struct ath10k *ar,
  57                               struct ath10k_fw_file *fw_file);
  58
  59 #endif