1/*
2 *  Definitions for the SCOOP interface found on various Sharp PDAs
3 *
4 *  Copyright (c) 2004 Richard Purdie
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 */
11
12#define SCOOP_MCR  0x00
13#define SCOOP_CDR  0x04
14#define SCOOP_CSR  0x08
15#define SCOOP_CPR  0x0C
16#define SCOOP_CCR  0x10
17#define SCOOP_IRR  0x14
18#define SCOOP_IRM  0x14
19#define SCOOP_IMR  0x18
20#define SCOOP_ISR  0x1C
21#define SCOOP_GPCR 0x20
22#define SCOOP_GPWR 0x24
23#define SCOOP_GPRR 0x28
24
25#define SCOOP_GPCR_PA22	( 1 << 12 )
26#define SCOOP_GPCR_PA21	( 1 << 11 )
27#define SCOOP_GPCR_PA20	( 1 << 10 )
28#define SCOOP_GPCR_PA19	( 1 << 9 )
29#define SCOOP_GPCR_PA18	( 1 << 8 )
30#define SCOOP_GPCR_PA17	( 1 << 7 )
31#define SCOOP_GPCR_PA16	( 1 << 6 )
32#define SCOOP_GPCR_PA15	( 1 << 5 )
33#define SCOOP_GPCR_PA14	( 1 << 4 )
34#define SCOOP_GPCR_PA13	( 1 << 3 )
35#define SCOOP_GPCR_PA12	( 1 << 2 )
36#define SCOOP_GPCR_PA11	( 1 << 1 )
37
38struct scoop_config {
39	unsigned short io_out;
40	unsigned short io_dir;
41	unsigned short suspend_clr;
42	unsigned short suspend_set;
43};
44
45/* Structure for linking scoop devices to PCMCIA sockets */
46struct scoop_pcmcia_dev {
47	struct device *dev;     /* Pointer to this socket's scoop device */
48	int	irq;                /* irq for socket */
49	int cd_irq;
50	const char *cd_irq_str;
51	unsigned char keep_vs;
52	unsigned char keep_rd;
53};
54
55struct scoop_pcmcia_config {
56	struct scoop_pcmcia_dev *devs;
57	int num_devs;
58	void (*pcmcia_init)(void);
59	void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
60};
61
62extern struct scoop_pcmcia_config *platform_scoop_config;
63
64void reset_scoop(struct device *dev);
65unsigned short set_scoop_gpio(struct device *dev, unsigned short bit);
66unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit);
67unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
68void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
69