1 /*
2  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
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 
18 #ifndef _WBM_LINK_DESCRIPTOR_RING_H_
19 #define _WBM_LINK_DESCRIPTOR_RING_H_
20 
21 #include "buffer_addr_info.h"
22 #define NUM_OF_DWORDS_WBM_LINK_DESCRIPTOR_RING 2
23 
24 struct wbm_link_descriptor_ring {
25 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN
26              struct   buffer_addr_info                                          desc_addr_info;
27 #else
28              struct   buffer_addr_info                                          desc_addr_info;
29 #endif
30 };
31 
32 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_31_0_OFFSET             0x00000000
33 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_31_0_LSB                0
34 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_31_0_MSB                31
35 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_31_0_MASK               0xffffffff
36 
37 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_39_32_OFFSET            0x00000004
38 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_39_32_LSB               0
39 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_39_32_MSB               7
40 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_BUFFER_ADDR_39_32_MASK              0x000000ff
41 
42 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_RETURN_BUFFER_MANAGER_OFFSET        0x00000004
43 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_RETURN_BUFFER_MANAGER_LSB           8
44 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_RETURN_BUFFER_MANAGER_MSB           11
45 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_RETURN_BUFFER_MANAGER_MASK          0x00000f00
46 
47 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_SW_BUFFER_COOKIE_OFFSET             0x00000004
48 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_SW_BUFFER_COOKIE_LSB                12
49 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_SW_BUFFER_COOKIE_MSB                31
50 #define WBM_LINK_DESCRIPTOR_RING_DESC_ADDR_INFO_SW_BUFFER_COOKIE_MASK               0xfffff000
51 
52 #endif
53