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
|
/* $OpenBSD: pxa2x0_i2s.h,v 1.1 2005/04/15 00:09:06 pascoe Exp $ */
/*
* Copyright (c) 2005 Uwe Stuehler <uwe@bsdx.de>
*
* 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.
*/
#ifndef _PXA2X0_I2S_H_
#define _PXA2X0_I2S_H_
#include <machine/bus.h>
struct pxa2x0_i2s_dma;
struct pxa2x0_i2s_softc {
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_size_t sc_size;
bus_dma_tag_t sc_dmat;
int sc_open;
u_int32_t sc_sadiv;
struct pxa2x0_i2s_dma *sc_dmas;
};
int pxa2x0_i2s_attach_sub(struct pxa2x0_i2s_softc *);
int pxa2x0_i2s_detach_sub(struct pxa2x0_i2s_softc *);
void pxa2x0_i2s_open(struct pxa2x0_i2s_softc *);
void pxa2x0_i2s_close(struct pxa2x0_i2s_softc *);
void pxa2x0_i2s_write(struct pxa2x0_i2s_softc *, u_int32_t);
void pxa2x0_i2s_setspeed(struct pxa2x0_i2s_softc *, u_long *);
void * pxa2x0_i2s_allocm(void *, int, size_t, int, int);
void pxa2x0_i2s_freem(void *, void *, int);
paddr_t pxa2x0_i2s_mappage(void *, void *, off_t, int);
int pxa2x0_i2s_round_blocksize(void *, int);
size_t pxa2x0_i2s_round_buffersize(void *, int, size_t);
int pxa2x0_i2s_start_output(struct pxa2x0_i2s_softc *, void *, int,
void (*)(void *), void *);
#endif
|
