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_fw_file; 27 28 struct ath10k_swap_code_seg_tlv { 29 __le32 address; 30 __le32 length; 31 u8 data[0]; 32 } __packed; 33 34 struct ath10k_swap_code_seg_tail { 35 u8 magic_signature[ATH10K_SWAP_CODE_SEG_MAGIC_BYTES_SZ]; 36 __le32 bmi_write_addr; 37 } __packed; 38 39 union ath10k_swap_code_seg_item { 40 struct ath10k_swap_code_seg_tlv tlv; 41 struct ath10k_swap_code_seg_tail tail; 42 } __packed; 43 44 struct ath10k_swap_code_seg_hw_info { 45 /* Swap binary image size */ 46 __le32 swap_size; 47 __le32 num_segs; 48 49 /* Swap data size */ 50 __le32 size; 51 __le32 size_log2; 52 __le32 bus_addr[ATH10K_SWAP_CODE_SEG_NUM_MAX]; 53 __le64 reserved[ATH10K_SWAP_CODE_SEG_NUM_MAX]; 54 } __packed; 55 56 struct ath10k_swap_code_seg_info { 57 struct ath10k_swap_code_seg_hw_info seg_hw_info; 58 void *virt_address[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED]; 59 u32 target_addr; 60 dma_addr_t paddr[ATH10K_SWAP_CODE_SEG_NUM_SUPPORTED]; 61 }; 62 63 int ath10k_swap_code_seg_configure(struct ath10k *ar, 64 const struct ath10k_fw_file *fw_file); 65 void ath10k_swap_code_seg_release(struct ath10k *ar, 66 struct ath10k_fw_file *fw_file); 67 int ath10k_swap_code_seg_init(struct ath10k *ar, 68 struct ath10k_fw_file *fw_file); 69 70 #endif 71