1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
*
* bcm47xx pcmcia driver
*
* Copyright 2004, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
* Based on sa1100.h and include/asm-arm/arch-sa1100/pcmica.h
* from www.handhelds.org,
* and au1000_generic.c from oss.sgi.com.
*
* $Id$
*/
#if !defined(_BCM4710PCMCIA_H)
#define _BCM4710PCMCIA_H
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/bulkmem.h>
#include <pcmcia/cistpl.h>
#include "cs_internal.h"
/* The 47xx can only support one socket */
#define BCM47XX_PCMCIA_MAX_SOCK 1
/* In the bcm947xx gpio's are used for some pcmcia functions */
#define BCM47XX_PCMCIA_WP 0x01 /* Bit 0 is WP input */
#define BCM47XX_PCMCIA_STSCHG 0x20 /* Bit 5 is STSCHG input/interrupt */
#define BCM47XX_PCMCIA_RESET 0x80 /* Bit 7 is RESET */
#define BCM47XX_PCMCIA_IRQ 2
/* The socket driver actually works nicely in interrupt-driven form,
* so the (relatively infrequent) polling is "just to be sure."
*/
#define BCM47XX_PCMCIA_POLL_PERIOD (2 * HZ)
#define BCM47XX_PCMCIA_IO_SPEED (255)
#define BCM47XX_PCMCIA_MEM_SPEED (300)
struct pcmcia_state {
unsigned detect: 1,
ready: 1,
bvd1: 1,
bvd2: 1,
wrprot: 1,
vs_3v: 1,
vs_Xv: 1;
};
struct pcmcia_configure {
unsigned sock: 8,
vcc: 8,
vpp: 8,
output: 1,
speaker: 1,
reset: 1;
};
struct pcmcia_irq_info {
unsigned int sock;
unsigned int irq;
};
/* This structure encapsulates per-socket state which we might need to
* use when responding to a Card Services query of some kind.
*/
struct bcm47xx_pcmcia_socket {
socket_state_t cs_state;
struct pcmcia_state k_state;
unsigned int irq;
void (*handler)(void *, unsigned int);
void *handler_info;
pccard_io_map io_map[MAX_IO_WIN];
pccard_mem_map mem_map[MAX_WIN];
ioaddr_t virt_io, phys_attr, phys_mem;
unsigned short speed_io, speed_attr, speed_mem;
};
struct pcmcia_init {
void (*handler)(int irq, void *dev, struct pt_regs *regs);
};
struct pcmcia_low_level {
int (*init)(struct pcmcia_init *);
int (*shutdown)(void);
int (*socket_state)(unsigned sock, struct pcmcia_state *);
int (*get_irq_info)(struct pcmcia_irq_info *);
int (*configure_socket)(const struct pcmcia_configure *);
};
extern struct pcmcia_low_level bcm47xx_pcmcia_ops;
/* I/O pins replacing memory pins
* (PCMCIA System Architecture, 2nd ed., by Don Anderson, p.75)
*
* These signals change meaning when going from memory-only to
* memory-or-I/O interface:
*/
#define iostschg bvd1
#define iospkr bvd2
/*
* Declaration for implementation specific low_level operations.
*/
extern struct pcmcia_low_level bcm4710_pcmcia_ops;
#endif /* !defined(_BCM4710PCMCIA_H) */
|
