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scoop.h
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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_CPR_OUT (1 << 7)
26 #define SCOOP_CPR_SD_3V (1 << 2)
27 #define SCOOP_CPR_CF_XV (1 << 1)
28 #define SCOOP_CPR_CF_3V (1 << 0)
29 
30 #define SCOOP_GPCR_PA22 (1 << 12)
31 #define SCOOP_GPCR_PA21 (1 << 11)
32 #define SCOOP_GPCR_PA20 (1 << 10)
33 #define SCOOP_GPCR_PA19 (1 << 9)
34 #define SCOOP_GPCR_PA18 (1 << 8)
35 #define SCOOP_GPCR_PA17 (1 << 7)
36 #define SCOOP_GPCR_PA16 (1 << 6)
37 #define SCOOP_GPCR_PA15 (1 << 5)
38 #define SCOOP_GPCR_PA14 (1 << 4)
39 #define SCOOP_GPCR_PA13 (1 << 3)
40 #define SCOOP_GPCR_PA12 (1 << 2)
41 #define SCOOP_GPCR_PA11 (1 << 1)
42 
43 struct scoop_config {
44  unsigned short io_out;
45  unsigned short io_dir;
46  unsigned short suspend_clr;
47  unsigned short suspend_set;
48  int gpio_base;
49 };
50 
51 /* Structure for linking scoop devices to PCMCIA sockets */
53  struct device *dev; /* Pointer to this socket's scoop device */
54  int irq; /* irq for socket */
55  int cd_irq;
56  const char *cd_irq_str;
57  unsigned char keep_vs;
58  unsigned char keep_rd;
59 };
60 
63  int num_devs;
64  void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
65 };
66 
68 
69 void reset_scoop(struct device *dev);
70 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
71 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);