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

   1 /*
   2  * Copyright (c) 2015 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 #ifndef _SWAP_H_
  18 #define _SWAP_H_
  19
  20 #define ATH10K_SWAP_CODE_SEG_BIN_LEN_MAX        (512 * 1024)
  21 #define ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ     12
  22 #define ATH10K_SWAP_CODE_SEG_NUM_MAX            16
  23 /* Currently only one swap segment is supported */
  24 #define ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED      1
  25
  26 struct ath10k_swap_code_seg_tlv {
  27         __le32 address;
  28         __le32 length;
  29         u8 data[0];
  30 } __packed;
  31
  32 struct ath10k_swap_code_seg_tail {
  33         u8 magic_signature[ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ];
  34         __le32 bmi_write_addr;
  35 } __packed;
  36
  37 union ath10k_swap_code_seg_item {
  38         struct ath10k_swap_code_seg_tlv tlv;
  39         struct ath10k_swap_code_seg_tail tail;
  40 } __packed;
  41
  42 struct ath10k_swap_code_seg_hw_info {
  43         /* Swap binary image size */
  44         __le32 swap_size;
  45         __le32 num_segs;
  46
  47         /* Swap data size */
  48         __le32 size;
  49         __le32 size_log2;
  50         __le32 bus_addr[ATH10K_SWAP_CODE_SEG_NUM_MAX];
  51         __le64 reserved[ATH10K_SWAP_CODE_SEG_NUM_MAX];
  52 } __packed;
  53
  54 struct ath10k_swap_code_seg_info {
  55         struct ath10k_swap_code_seg_hw_info seg_hw_info;
  56         void *virt_address[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED];
  57         u32 target_addr;
  58         dma_addr_t paddr[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED];
  59 };
  60
  61 int ath10k_swap_code_seg_configure(struct ath10k *ar);
  62 void ath10k_swap_code_seg_release(struct ath10k *ar);
  63 int ath10k_swap_code_seg_init(struct ath10k *ar);
  64
  65 #endif