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 66