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whd_sdpcm.h
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1 /*
2  * Copyright 2021, Cypress Semiconductor Corporation (an Infineon company)
3  * SPDX-License-Identifier: Apache-2.0
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 /** @file
19  * Provides whd with function prototypes for IOCTL commands,
20  * and for communicating with the SDPCM module
21  *
22  */
23 
24 #ifndef INCLUDED_WHD_SDPCM_H
25 #define INCLUDED_WHD_SDPCM_H
26 
27 #include "whd.h"
28 #include "whd_events_int.h"
29 #include "cyabs_rtos.h"
30 #include "whd_network_types.h"
31 #include "whd_types_int.h"
32 #include "whd_cdc_bdc.h"
33 
34 #ifdef __cplusplus
35 extern "C"
36 {
37 #endif
38 
39 /******************************************************
40 * Constants
41 ******************************************************/
42 typedef enum
43 {
44  DATA_HEADER = 2,
45  ASYNCEVENT_HEADER = 1,
46  CONTROL_HEADER = 0
47 } sdpcm_header_type_t;
48 
49 /******************************************************
50 * Macros
51 ******************************************************/
52 
53 #define BUS_HEADER_LEN (12)
54 #define IOCTL_OFFSET (sizeof(whd_buffer_header_t) + 12 + 16)
55 
56 /******************************************************
57 * Structures
58 ******************************************************/
59 typedef struct whd_sdpcm_info
60 {
61  /* Bus data credit variables */
62  uint8_t tx_seq;
63  uint8_t tx_max;
64 
65 
66  /* Packet send queue variables */
67  cy_semaphore_t send_queue_mutex;
68  whd_buffer_t send_queue_head;
69  whd_buffer_t send_queue_tail;
70 
71 } whd_sdpcm_info_t;
72 
73 typedef struct
74 {
75  whd_buffer_header_t buffer_header;
76  uint8_t bus_header[BUS_HEADER_LEN];
77 } bus_common_header_t;
78 
79 #pragma pack(1)
80 typedef struct
81 {
82  bus_common_header_t common;
83  cdc_header_t cdc_header;
84 } control_header_t;
85 
86 typedef struct
87 {
88  bus_common_header_t common;
89  uint8_t _padding[2];
90  bdc_header_t bdc_header;
91 } data_header_t;
92 #pragma pack()
93 
94 /******************************************************
95 * Function declarations
96 ******************************************************/
97 
98 extern void whd_sdpcm_process_rx_packet(whd_driver_t whd_driver, whd_buffer_t buffer);
99 extern whd_result_t whd_sdpcm_init(whd_driver_t whd_driver);
100 extern void whd_sdpcm_quit(whd_driver_t whd_driver);
101 extern void whd_sdpcm_bus_vars_init(whd_driver_t whd_driver);
102 extern void whd_sdpcm_quit(whd_driver_t whd_driver);
103 extern whd_bool_t whd_sdpcm_has_tx_packet(whd_driver_t whd_driver);
104 
105 extern whd_result_t whd_sdpcm_get_packet_to_send(whd_driver_t whd_driver, whd_buffer_t *buffer);
106 extern void whd_sdpcm_update_credit(whd_driver_t whd_driver, uint8_t *data);
107 extern uint8_t whd_sdpcm_get_available_credits(whd_driver_t whd_driver);
108 extern void whd_update_host_interface_to_bss_index_mapping(whd_driver_t whd_driver, whd_interface_t interface,
109  uint32_t bssid_index);
110 
111 extern void whd_send_to_bus(whd_driver_t whd_driver, whd_buffer_t buffer,
112  sdpcm_header_type_t header_type);
113 
114 /******************************************************
115 * Global variables
116 ******************************************************/
117 
118 #ifdef __cplusplus
119 } /* extern "C" */
120 #endif
121 
122 #endif /* ifndef INCLUDED_WHD_SDPCM_H */
123 
whd.h
Provides abstract pointer type to act as instance for: driver, interface, buffer funcs, network funcs, resource funcs and bus funcs.
cdc_header_t
Definition: whd_cdc_bdc.h:65
control_header_t
Definition: whd_sdpcm.h:80
whd_driver
Definition: whd_int.h:72
whd_bool_t
whd_bool_t
Boolean values.
Definition: whd_types.h:162
whd_result_t
uint32_t whd_result_t
WHD result is specified as uint32_t value.
Definition: whd_types.h:776
bus_common_header_t
Definition: whd_sdpcm.h:73
whd_types_int.h
Defines common constants used with WHD within src folder.
whd_network_types.h
Prototypes of functions corresponding to Buffer and Network Interface.
whd_buffer_header_t
Definition: whd_types_int.h:186
whd_interface
Definition: whd_int.h:59
whd_events_int.h
Header for Event detection.
bdc_header_t
Definition: whd_cdc_bdc.h:73
whd_sdpcm_info
Definition: whd_sdpcm.h:59
data_header_t
Definition: whd_sdpcm.h:86
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