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kernel/linux-rt-4.4.41/drivers/net/wireless/ath/ath10k/swap.h 2.21 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2015 Qualcomm Atheros, Inc.
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef _SWAP_H_
  #define _SWAP_H_
  
  #define ATH10K_SWAP_CODE_SEG_BIN_LEN_MAX	(512 * 1024)
  #define ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ	12
  #define ATH10K_SWAP_CODE_SEG_NUM_MAX		16
  /* Currently only one swap segment is supported */
  #define ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED	1
  
  struct ath10k_swap_code_seg_tlv {
  	__le32 address;
  	__le32 length;
  	u8 data[0];
  } __packed;
  
  struct ath10k_swap_code_seg_tail {
  	u8 magic_signature[ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ];
  	__le32 bmi_write_addr;
  } __packed;
  
  union ath10k_swap_code_seg_item {
  	struct ath10k_swap_code_seg_tlv tlv;
  	struct ath10k_swap_code_seg_tail tail;
  } __packed;
  
  enum ath10k_swap_code_seg_bin_type {
  	 ATH10K_SWAP_CODE_SEG_BIN_TYPE_OTP,
  	 ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW,
  	 ATH10K_SWAP_CODE_SEG_BIN_TYPE_UTF,
  };
  
  struct ath10k_swap_code_seg_hw_info {
  	/* Swap binary image size */
  	__le32 swap_size;
  	__le32 num_segs;
  
  	/* Swap data size */
  	__le32 size;
  	__le32 size_log2;
  	__le32 bus_addr[ATH10K_SWAP_CODE_SEG_NUM_MAX];
  	__le64 reserved[ATH10K_SWAP_CODE_SEG_NUM_MAX];
  } __packed;
  
  struct ath10k_swap_code_seg_info {
  	struct ath10k_swap_code_seg_hw_info seg_hw_info;
  	void *virt_address[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED];
  	u32 target_addr;
  	dma_addr_t paddr[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED];
  };
  
  int ath10k_swap_code_seg_configure(struct ath10k *ar,
  				   enum ath10k_swap_code_seg_bin_type type);
  void ath10k_swap_code_seg_release(struct ath10k *ar);
  int ath10k_swap_code_seg_init(struct ath10k *ar);
  
  #endif