1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Definitions for the SCOOP interface found on various Sharp PDAs
4 *
5 * Copyright (c) 2004 Richard Purdie
6 */
7
8 #define SCOOP_MCR 0x00
9 #define SCOOP_CDR 0x04
10 #define SCOOP_CSR 0x08
11 #define SCOOP_CPR 0x0C
12 #define SCOOP_CCR 0x10
13 #define SCOOP_IRR 0x14
14 #define SCOOP_IRM 0x14
15 #define SCOOP_IMR 0x18
16 #define SCOOP_ISR 0x1C
17 #define SCOOP_GPCR 0x20
18 #define SCOOP_GPWR 0x24
19 #define SCOOP_GPRR 0x28
20
21 #define SCOOP_CPR_OUT (1 << 7)
22 #define SCOOP_CPR_SD_3V (1 << 2)
23 #define SCOOP_CPR_CF_XV (1 << 1)
24 #define SCOOP_CPR_CF_3V (1 << 0)
25
26 #define SCOOP_GPCR_PA22 (1 << 12)
27 #define SCOOP_GPCR_PA21 (1 << 11)
28 #define SCOOP_GPCR_PA20 (1 << 10)
29 #define SCOOP_GPCR_PA19 (1 << 9)
30 #define SCOOP_GPCR_PA18 (1 << 8)
31 #define SCOOP_GPCR_PA17 (1 << 7)
32 #define SCOOP_GPCR_PA16 (1 << 6)
33 #define SCOOP_GPCR_PA15 (1 << 5)
34 #define SCOOP_GPCR_PA14 (1 << 4)
35 #define SCOOP_GPCR_PA13 (1 << 3)
36 #define SCOOP_GPCR_PA12 (1 << 2)
37 #define SCOOP_GPCR_PA11 (1 << 1)
38
39 struct scoop_config {
40 unsigned short io_out;
41 unsigned short io_dir;
42 unsigned short suspend_clr;
43 unsigned short suspend_set;
44 int gpio_base;
45 };
46
47 /* Structure for linking scoop devices to PCMCIA sockets */
48 struct scoop_pcmcia_dev {
49 struct device *dev; /* Pointer to this socket's scoop device */
50 int irq; /* irq for socket */
51 int cd_irq;
52 const char *cd_irq_str;
53 unsigned char keep_vs;
54 unsigned char keep_rd;
55 };
56
57 struct scoop_pcmcia_config {
58 struct scoop_pcmcia_dev *devs;
59 int num_devs;
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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