ia64/linux-2.6.18-xen.hg

view include/asm-arm/arch-pxa/ssp.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 /*
2 * ssp.h
3 *
4 * Copyright (C) 2003 Russell King, All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This driver supports the following PXA CPU/SSP ports:-
11 *
12 * PXA250 SSP
13 * PXA255 SSP, NSSP
14 * PXA26x SSP, NSSP, ASSP
15 * PXA27x SSP1, SSP2, SSP3
16 */
18 #ifndef SSP_H
19 #define SSP_H
21 /*
22 * SSP initialisation flags
23 */
24 #define SSP_NO_IRQ 0x1 /* don't register an irq handler in SSP driver */
26 struct ssp_state {
27 u32 cr0;
28 u32 cr1;
29 u32 to;
30 u32 psp;
31 };
33 struct ssp_dev {
34 u32 port;
35 u32 mode;
36 u32 flags;
37 u32 psp_flags;
38 u32 speed;
39 int irq;
40 };
42 int ssp_write_word(struct ssp_dev *dev, u32 data);
43 int ssp_read_word(struct ssp_dev *dev, u32 *data);
44 int ssp_flush(struct ssp_dev *dev);
45 void ssp_enable(struct ssp_dev *dev);
46 void ssp_disable(struct ssp_dev *dev);
47 void ssp_save_state(struct ssp_dev *dev, struct ssp_state *ssp);
48 void ssp_restore_state(struct ssp_dev *dev, struct ssp_state *ssp);
49 int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags);
50 int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed);
51 void ssp_exit(struct ssp_dev *dev);
53 #endif