1 /*
2  * Copyright (c) 2023 Intel Corporation
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef _AON_SHARE_H_
8 #define _AON_SHARE_H_
9 
10 #include "../ia_structs.h"
11 #include "../ish_pm.h"
12 
13 /* magic ID for valid aontask image check */
14 #define AON_MAGIC_ID			        0x544E4F41  /*"AONT"*/
15 
16 /* aontask error code  */
17 #define AON_SUCCESS				0
18 #define AON_ERROR_NOT_SUPPORT_POWER_MODE	1
19 #define AON_ERROR_DMA_FAILED			2
20 
21 
22 /* shared data structure between main FW and aontask */
23 struct ish_aon_share {
24 	/* magic ID */
25 	uint32_t magic_id;
26 	/* error counter */
27 	uint32_t error_count;
28 	/* last error */
29 	int last_error;
30 	/* successfully exit from IPAPG or not */
31 	uint32_t pg_exit;
32 	/* high 32bits of 64 bits dram address for dma */
33 	uint32_t uma_msb;
34 	/* aontask's TSS segment entry */
35 	struct tss_entry *aon_tss;
36 	/* aontask's LDT start address */
37 	ldt_entry *aon_ldt;
38 	/* aontask's LDT's limit size */
39 	uint32_t aon_ldt_size;
40 	/* current power state, see chip/ish/power_mgt.h */
41 	enum ish_pm_state pm_state;
42 	/* for store/restore main FW's IDT */
43 	struct idt_header main_fw_idt_hdr;
44 
45 	/**
46 	 * main FW's read only code and data region in main SRAM,
47 	 * address need 64 bytes align due to DMA requirement
48 	 */
49 	uint32_t main_fw_ro_addr;
50 	uint32_t main_fw_ro_size;
51 
52 	/**
53 	 * main FW's read and write data region in main SRAM,
54 	 * address need 64 bytes align due to DMA requirement
55 	 */
56 	uint32_t main_fw_rw_addr;
57 	uint32_t main_fw_rw_size;
58 
59 	/* host suspend state */
60 	uint32_t host_in_suspend;
61 } __attribute__((packed));
62 
63 #endif /* _AON_SHARE_H_ */
64