summaryrefslogtreecommitdiffstats
path: root/sys/dev/usb/usb_controller.h
blob: 6a2f6b03edda616fffec95595ed3a0cfb79487e2 (plain)
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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/* $FreeBSD$ */
/*-
 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _USB_CONTROLLER_H_
#define	_USB_CONTROLLER_H_

/* defines */

#define	USB_BUS_DMA_TAG_MAX 8

/* structure prototypes  */

struct usb_bus;
struct usb_page;
struct usb_endpoint;
struct usb_page_cache;
struct usb_setup_params;
struct usb_hw_ep_profile;
struct usb_fs_isoc_schedule;
struct usb_endpoint_descriptor;

/* typedefs */

typedef void (usb_bus_mem_sub_cb_t)(struct usb_bus *bus, struct usb_page_cache *pc, struct usb_page *pg, usb_size_t size, usb_size_t align);
typedef void (usb_bus_mem_cb_t)(struct usb_bus *bus, usb_bus_mem_sub_cb_t *scb);

/*
 * The following structure is used to define all the USB BUS
 * callbacks.
 */
struct usb_bus_methods {

	/* USB Device and Host mode - Mandatory */

	usb_handle_req_t *roothub_exec;

	void    (*endpoint_init) (struct usb_device *,
		    struct usb_endpoint_descriptor *, struct usb_endpoint *);
	void    (*xfer_setup) (struct usb_setup_params *);
	void    (*xfer_unsetup) (struct usb_xfer *);
	void    (*get_dma_delay) (struct usb_device *, uint32_t *);
	void    (*device_suspend) (struct usb_device *);
	void    (*device_resume) (struct usb_device *);
	void    (*set_hw_power) (struct usb_bus *);
	void    (*set_hw_power_sleep) (struct usb_bus *, uint32_t);
	/*
	 * The following flag is set if one or more control transfers are
	 * active:
	 */
#define	USB_HW_POWER_CONTROL	0x01
	/*
	 * The following flag is set if one or more bulk transfers are
	 * active:
	 */
#define	USB_HW_POWER_BULK	0x02
	/*
	 * The following flag is set if one or more interrupt transfers are
	 * active:
	 */
#define	USB_HW_POWER_INTERRUPT	0x04
	/*
	 * The following flag is set if one or more isochronous transfers
	 * are active:
	 */
#define	USB_HW_POWER_ISOC	0x08
	/*
	 * The following flag is set if one or more non-root-HUB devices 
	 * are present on the given USB bus:
	 */
#define	USB_HW_POWER_NON_ROOT_HUB 0x10
	/*
	 * The following flag is set if we are suspending
	 */
#define	USB_HW_POWER_SUSPEND 0x20
	/*
	 * The following flag is set if we are resuming
	 */
#define	USB_HW_POWER_RESUME 0x40
	/*
	 * The following flag is set if we are shutting down
	 */
#define	USB_HW_POWER_SHUTDOWN 0x60

	/* USB Device mode only - Mandatory */

	void    (*get_hw_ep_profile) (struct usb_device *udev, const struct usb_hw_ep_profile **ppf, uint8_t ep_addr);
	void    (*xfer_stall) (struct usb_xfer *xfer);
	void    (*set_stall) (struct usb_device *udev, struct usb_endpoint *ep, uint8_t *did_stall);

	/* USB Device mode mandatory. USB Host mode optional. */

	void    (*clear_stall) (struct usb_device *udev, struct usb_endpoint *ep);

	/* Optional transfer polling support */

	void	(*xfer_poll) (struct usb_bus *);

	/* Optional fixed power mode support */

	void	(*get_power_mode) (struct usb_device *udev, int8_t *pmode);

	/* Optional endpoint uninit */

	void    (*endpoint_uninit) (struct usb_device *, struct usb_endpoint *);

	/* Optional device init */

	usb_error_t	(*device_init) (struct usb_device *);

	/* Optional device uninit */

	void	(*device_uninit) (struct usb_device *);

	/* Optional for device and host mode */

	void	(*start_dma_delay) (struct usb_xfer *);

	void	(*device_state_change) (struct usb_device *);

	/* Optional for host mode */

	usb_error_t	(*set_address) (struct usb_device *, struct mtx *, uint16_t);

	/* Optional for device and host mode */

	usb_error_t	(*set_endpoint_mode) (struct usb_device *, struct usb_endpoint *, uint8_t);
};

/*
 * The following structure is used to define all the USB pipe
 * callbacks.
 */
struct usb_pipe_methods {

	/* Mandatory USB Device and Host mode callbacks: */

	void	(*open)(struct usb_xfer *);
	void	(*close)(struct usb_xfer *);

	void	(*enter)(struct usb_xfer *);
	void	(*start)(struct usb_xfer *);

	/* Optional */

	void   *info;
};

/*
 * The following structure keeps information about what a hardware USB
 * endpoint supports.
 */
struct usb_hw_ep_profile {
	uint16_t max_in_frame_size;	/* IN-token direction */
	uint16_t max_out_frame_size;	/* OUT-token direction */
	uint8_t	is_simplex:1;
	uint8_t	support_multi_buffer:1;
	uint8_t	support_bulk:1;
	uint8_t	support_control:1;
	uint8_t	support_interrupt:1;
	uint8_t	support_isochronous:1;
	uint8_t	support_in:1;		/* IN-token is supported */
	uint8_t	support_out:1;		/* OUT-token is supported */
};

/* prototypes */

void	usb_bus_mem_flush_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb);
uint8_t	usb_bus_mem_alloc_all(struct usb_bus *bus, bus_dma_tag_t dmat, usb_bus_mem_cb_t *cb);
void	usb_bus_mem_free_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb);
uint16_t usb_isoc_time_expand(struct usb_bus *bus, uint16_t isoc_time_curr);
void	usb_bus_reset_async_locked(struct usb_bus *bus);
#if USB_HAVE_TT_SUPPORT
uint8_t	usbd_fs_isoc_schedule_alloc_slot(struct usb_xfer *isoc_xfer, uint16_t isoc_time);
#endif

#endif					/* _USB_CONTROLLER_H_ */
OpenPOWER on IntegriCloud