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
39struct 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 */
48struct 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
57struct 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
63extern struct scoop_pcmcia_config *platform_scoop_config;
64
65void reset_scoop(struct device *dev);
66unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
67void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
68