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
38 struct scoop_config {
39 unsigned short io_out;
40 unsigned short io_dir;
41 unsigned short suspend_clr;
42 unsigned short suspend_set;
43 int gpio_base;
44 };
45
46 /* Structure for linking scoop devices to PCMCIA sockets */
47 struct scoop_pcmcia_dev {
48 struct device *dev; /* Pointer to this socket's scoop device */
49 int irq; /* irq for socket */
50 int cd_irq;
51 const char *cd_irq_str;
52 unsigned char keep_vs;
53 unsigned char keep_rd;
54 };
55
56 struct scoop_pcmcia_config {
57 struct scoop_pcmcia_dev *devs;
58 int num_devs;
59 void (*pcmcia_init)(void);
60 void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
61 };
62
63 extern struct scoop_pcmcia_config *platform_scoop_config;
64
65 void reset_scoop(struct device *dev);
66 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
67 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
68
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