1/*-
2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
| 1/*-
2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
|
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
| 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
|
25 */
26
27#ifndef _ARM_AT91_AT91_TWIIO_H
28#define _ARM_AT91_AT91_TWIIO_H
29
30#include <sys/ioccom.h>
31
32struct at91_twi_io
33{
34 int dadr; /* Device address */
35 int type; /* read/write */
36#define TWI_IO_READ_MASTER 1
37#define TWI_IO_WRITE_MASTER 2
38 int iadrsz; /* Internal addr size */
39 uint32_t iadr; /* Interbak addr */
40 size_t xfer_len; /* Size to transfer */
41 caddr_t xfer_buf; /* buffer for xfer */
42};
43
44struct at91_twi_clock
45{
46 int ckdiv; /* Clock divider */
47 int high_rate; /* rate of clock high period */
48 int low_rate; /* rate of clock low period */
49};
50
51/** TWIIOCXFER: Do a two-wire transfer
52 */
53#define TWIIOCXFER _IOW('x', 1, struct at91_twi_io)
54
55/** TWIIOCSETCLOCK: Sets the clocking parameters for this operation.
56 */
57#define TWIIOCSETCLOCK _IOW('x', 2, struct at91_twi_clock)
58
59#endif /* !_ARM_AT91_AT91_TWIIO_H */
60
61
| 26 */
27
28#ifndef _ARM_AT91_AT91_TWIIO_H
29#define _ARM_AT91_AT91_TWIIO_H
30
31#include <sys/ioccom.h>
32
33struct at91_twi_io
34{
35 int dadr; /* Device address */
36 int type; /* read/write */
37#define TWI_IO_READ_MASTER 1
38#define TWI_IO_WRITE_MASTER 2
39 int iadrsz; /* Internal addr size */
40 uint32_t iadr; /* Interbak addr */
41 size_t xfer_len; /* Size to transfer */
42 caddr_t xfer_buf; /* buffer for xfer */
43};
44
45struct at91_twi_clock
46{
47 int ckdiv; /* Clock divider */
48 int high_rate; /* rate of clock high period */
49 int low_rate; /* rate of clock low period */
50};
51
52/** TWIIOCXFER: Do a two-wire transfer
53 */
54#define TWIIOCXFER _IOW('x', 1, struct at91_twi_io)
55
56/** TWIIOCSETCLOCK: Sets the clocking parameters for this operation.
57 */
58#define TWIIOCSETCLOCK _IOW('x', 2, struct at91_twi_clock)
59
60#endif /* !_ARM_AT91_AT91_TWIIO_H */
61
62
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