1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* $OpenBSD: usbf.h,v 1.3 2007/06/19 11:52:07 mbalmer Exp $ */
/*
* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* USB function driver interface data structures and subroutines
*/
#ifndef _USBF_H_
#define _USBF_H_
typedef struct usbf_function *usbf_function_handle;
typedef struct usbf_bus *usbf_bus_handle;
typedef struct usbf_device *usbf_device_handle;
typedef struct usbf_config *usbf_config_handle;
typedef struct usbf_interface *usbf_interface_handle;
typedef struct usbf_endpoint *usbf_endpoint_handle;
typedef struct usbf_pipe *usbf_pipe_handle;
typedef struct usbf_xfer *usbf_xfer_handle;
typedef void *usbf_private_handle;
/*
* Return codes for many of the function driver interface routines
*/
typedef enum { /* keep in sync with USBF_ERROR_STRS */
USBF_NORMAL_COMPLETION = 0, /* must be 0 */
USBF_IN_PROGRESS, /* 1 */
/* errors */
USBF_NOT_STARTED, /* 2 */
USBF_INVAL, /* 3 */
USBF_NOMEM, /* 4 */
USBF_CANCELLED, /* 5 */
USBF_BAD_ADDRESS, /* 6 */
USBF_IOERROR, /* 7 */
USBF_TIMEOUT, /* 8 */
USBF_SHORT_XFER, /* 9 */
USBF_STALLED, /* 10 */
USBF_ERROR_MAX /* must be last */
} usbf_status;
#define USBF_ERROR_STRS { /* keep in sync with enum usbf_status */ \
"NORMAL_COMPLETION", /* 0 */ \
"IN_PROGRESS", /* 1 */ \
"NOT_STARTED", /* 2 */ \
"INVAL", /* 3 */ \
"NOMEM", /* 4 */ \
"CANCELLED", /* 5 */ \
"BAD_ADDRESS", /* 6 */ \
"IOERROR", /* 7 */ \
"TIMEOUT", /* 8 */ \
"SHORT_XFER", /* 9 */ \
"STALLED", /* 10 */ \
};
typedef void (*usbf_callback)(usbf_xfer_handle, usbf_private_handle,
usbf_status);
/*
* Attach USB function at the logical device.
*/
struct usbf_attach_arg {
usbf_device_handle device;
};
struct usbf_function_methods {
usbf_status (*set_config)(usbf_function_handle, usbf_config_handle);
usbf_status (*do_request)(usbf_function_handle,
usb_device_request_t *req, void **data);
};
struct usbf_function {
struct device bdev; /* base device */
/* filled in by function driver */
struct usbf_function_methods *methods;
};
#define USBF_EMPTY_STRING_ID (USB_LANGUAGE_TABLE+1)
#define USBF_STRING_ID_MIN (USB_LANGUAGE_TABLE+2)
#define USBF_STRING_ID_MAX 255
/*
* USB function driver interface
*/
/* global */
const char *usbf_errstr(usbf_status);
/* device */
void usbf_devinfo_setup(usbf_device_handle, u_int8_t, u_int8_t,
u_int8_t, u_int16_t, u_int16_t, u_int16_t, const char *,
const char *, const char *);
char *usbf_devinfo_alloc(usbf_device_handle);
void usbf_devinfo_free(char *);
usb_device_descriptor_t *usbf_device_descriptor(usbf_device_handle);
usb_string_descriptor_t *usbf_string_descriptor(usbf_device_handle, u_int8_t);
usb_config_descriptor_t *usbf_config_descriptor(usbf_device_handle, u_int8_t);
/* configuration */
u_int8_t usbf_add_string(usbf_device_handle, const char *);
usbf_status usbf_add_config(usbf_device_handle, usbf_config_handle *);
usbf_status usbf_add_config_desc(usbf_config_handle, usb_descriptor_t *,
usb_descriptor_t **);
usbf_status usbf_add_interface(usbf_config_handle, u_int8_t, u_int8_t,
u_int8_t, const char *, usbf_interface_handle *);
usbf_status usbf_add_endpoint(usbf_interface_handle, u_int8_t,
u_int8_t, u_int16_t, u_int8_t, usbf_endpoint_handle *);
usbf_status usbf_end_config(usbf_config_handle);
usbf_endpoint_handle usbf_config_endpoint(usbf_config_handle, u_int8_t);
/* interface */
int usbf_interface_number(usbf_interface_handle);
usbf_endpoint_handle usbf_iface_endpoint(usbf_interface_handle, u_int8_t);
/* endpoint */
u_int8_t usbf_endpoint_address(usbf_endpoint_handle);
u_int8_t usbf_endpoint_attributes(usbf_endpoint_handle);
#define usbf_endpoint_index(e) UE_GET_ADDR(usbf_endpoint_address((e)))
#define usbf_endpoint_dir(e) UE_GET_DIR(usbf_endpoint_address((e)))
#define usbf_endpoint_type(e) UE_GET_XFERTYPE(usbf_endpoint_attributes((e)))
/* pipe */
usbf_status usbf_open_pipe(usbf_interface_handle, u_int8_t,
usbf_pipe_handle *);
void usbf_abort_pipe(usbf_pipe_handle);
void usbf_close_pipe(usbf_pipe_handle);
void usbf_stall_pipe(usbf_pipe_handle);
/* transfer */
usbf_xfer_handle usbf_alloc_xfer(usbf_device_handle);
void usbf_free_xfer(usbf_xfer_handle);
void *usbf_alloc_buffer(usbf_xfer_handle, u_int32_t);
void usbf_free_buffer(usbf_xfer_handle);
void usbf_setup_xfer(usbf_xfer_handle, usbf_pipe_handle,
usbf_private_handle, void *, u_int32_t, u_int16_t,
u_int32_t, usbf_callback);
void usbf_setup_default_xfer(usbf_xfer_handle, usbf_pipe_handle,
usbf_private_handle, usb_device_request_t *, u_int16_t,
u_int32_t, usbf_callback);
void usbf_get_xfer_status(usbf_xfer_handle, usbf_private_handle *,
void **, u_int32_t *, usbf_status *);
usbf_status usbf_transfer(usbf_xfer_handle);
/*
* The usbf_task structure describes a task to be perfomed in process
* context, i.e. the USB device's task thread. This is normally used by
* USB function drivers that need to perform tasks in a process context.
*/
struct usbf_task {
TAILQ_ENTRY(usbf_task) next;
void (*fun)(void *);
void *arg;
char onqueue;
};
void usbf_add_task(usbf_device_handle, struct usbf_task *);
void usbf_rem_task(usbf_device_handle, struct usbf_task *);
#define usbf_init_task(t, f, a) ((t)->fun=(f), (t)->arg=(a), (t)->onqueue=0)
#endif
|
