mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-28 14:22:48 +02:00
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* 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) */
|