276 lines
7.4 KiB
C
276 lines
7.4 KiB
C
/*
|
|
* ds.h -- 16-bit PCMCIA core support
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* The initial developer of the original code is David A. Hinds
|
|
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
|
|
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
|
|
*
|
|
* (C) 1999 David A. Hinds
|
|
* (C) 2003 - 2008 Dominik Brodowski
|
|
*/
|
|
|
|
#ifndef _LINUX_DS_H
|
|
#define _LINUX_DS_H
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/mod_devicetable.h>
|
|
#endif
|
|
|
|
#include <pcmcia/device_id.h>
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/device.h>
|
|
#include <linux/interrupt.h>
|
|
#include <pcmcia/ss.h>
|
|
#include <asm/atomic.h>
|
|
|
|
|
|
/*
|
|
* PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
|
|
* a.k.a. PCI drivers
|
|
*/
|
|
struct pcmcia_socket;
|
|
struct pcmcia_device;
|
|
struct config_t;
|
|
struct net_device;
|
|
|
|
/* dynamic device IDs for PCMCIA device drivers. See
|
|
* Documentation/pcmcia/driver.txt for details.
|
|
*/
|
|
struct pcmcia_dynids {
|
|
struct mutex lock;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct pcmcia_driver {
|
|
const char *name;
|
|
|
|
int (*probe) (struct pcmcia_device *dev);
|
|
void (*remove) (struct pcmcia_device *dev);
|
|
|
|
int (*suspend) (struct pcmcia_device *dev);
|
|
int (*resume) (struct pcmcia_device *dev);
|
|
|
|
struct module *owner;
|
|
struct pcmcia_device_id *id_table;
|
|
struct device_driver drv;
|
|
struct pcmcia_dynids dynids;
|
|
};
|
|
|
|
/* driver registration */
|
|
int pcmcia_register_driver(struct pcmcia_driver *driver);
|
|
void pcmcia_unregister_driver(struct pcmcia_driver *driver);
|
|
|
|
/* for struct resource * array embedded in struct pcmcia_device */
|
|
enum {
|
|
PCMCIA_IOPORT_0,
|
|
PCMCIA_IOPORT_1,
|
|
PCMCIA_IOMEM_0,
|
|
PCMCIA_IOMEM_1,
|
|
PCMCIA_IOMEM_2,
|
|
PCMCIA_IOMEM_3,
|
|
PCMCIA_NUM_RESOURCES,
|
|
};
|
|
|
|
struct pcmcia_device {
|
|
/* the socket and the device_no [for multifunction devices]
|
|
uniquely define a pcmcia_device */
|
|
struct pcmcia_socket *socket;
|
|
|
|
char *devname;
|
|
|
|
u8 device_no;
|
|
|
|
/* the hardware "function" device; certain subdevices can
|
|
* share one hardware "function" device. */
|
|
u8 func;
|
|
struct config_t *function_config;
|
|
|
|
struct list_head socket_device_list;
|
|
|
|
/* device setup */
|
|
unsigned int irq;
|
|
struct resource *resource[PCMCIA_NUM_RESOURCES];
|
|
resource_size_t card_addr; /* for the 1st IOMEM resource */
|
|
unsigned int vpp;
|
|
|
|
unsigned int config_flags; /* CONF_ENABLE_ flags below */
|
|
unsigned int config_base;
|
|
unsigned int config_index;
|
|
unsigned int config_regs; /* PRESENT_ flags below */
|
|
unsigned int io_lines; /* number of I/O lines */
|
|
|
|
/* Is the device suspended? */
|
|
u16 suspended:1;
|
|
|
|
/* Flags whether io, irq, win configurations were
|
|
* requested, and whether the configuration is "locked" */
|
|
u16 _irq:1;
|
|
u16 _io:1;
|
|
u16 _win:4;
|
|
u16 _locked:1;
|
|
|
|
/* Flag whether a "fuzzy" func_id based match is
|
|
* allowed. */
|
|
u16 allow_func_id_match:1;
|
|
|
|
/* information about this device */
|
|
u16 has_manf_id:1;
|
|
u16 has_card_id:1;
|
|
u16 has_func_id:1;
|
|
|
|
u16 reserved:4;
|
|
|
|
u8 func_id;
|
|
u16 manf_id;
|
|
u16 card_id;
|
|
|
|
char *prod_id[4];
|
|
|
|
u64 dma_mask;
|
|
struct device dev;
|
|
|
|
/* data private to drivers */
|
|
void *priv;
|
|
unsigned int open;
|
|
};
|
|
|
|
#define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
|
|
#define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
|
|
|
|
|
|
/*
|
|
* CIS access.
|
|
*
|
|
* Please use the following functions to access CIS tuples:
|
|
* - pcmcia_get_tuple()
|
|
* - pcmcia_loop_tuple()
|
|
* - pcmcia_get_mac_from_cis()
|
|
*
|
|
* To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
|
|
* might change in future.
|
|
*/
|
|
|
|
/* get the very first CIS entry of type @code. Note that buf is pointer
|
|
* to u8 *buf; and that you need to kfree(buf) afterwards. */
|
|
size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
|
|
u8 **buf);
|
|
|
|
/* loop over CIS entries */
|
|
int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
|
|
int (*loop_tuple) (struct pcmcia_device *p_dev,
|
|
tuple_t *tuple,
|
|
void *priv_data),
|
|
void *priv_data);
|
|
|
|
/* get the MAC address from CISTPL_FUNCE */
|
|
int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
|
|
struct net_device *dev);
|
|
|
|
|
|
/* parse a tuple_t */
|
|
int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);
|
|
|
|
/* loop CIS entries for valid configuration */
|
|
int pcmcia_loop_config(struct pcmcia_device *p_dev,
|
|
int (*conf_check) (struct pcmcia_device *p_dev,
|
|
void *priv_data),
|
|
void *priv_data);
|
|
|
|
/* is the device still there? */
|
|
struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);
|
|
|
|
/* low-level interface reset */
|
|
int pcmcia_reset_card(struct pcmcia_socket *skt);
|
|
|
|
/* CIS config */
|
|
int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
|
|
int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);
|
|
|
|
/* device configuration */
|
|
int pcmcia_request_io(struct pcmcia_device *p_dev);
|
|
|
|
int __must_check
|
|
__pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
|
|
irq_handler_t handler);
|
|
static inline __must_check __deprecated int
|
|
pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
|
|
irq_handler_t handler)
|
|
{
|
|
return __pcmcia_request_exclusive_irq(p_dev, handler);
|
|
}
|
|
|
|
int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
|
|
irq_handler_t handler);
|
|
|
|
int pcmcia_enable_device(struct pcmcia_device *p_dev);
|
|
|
|
int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
|
|
unsigned int speed);
|
|
int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res);
|
|
int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
|
|
unsigned int offset);
|
|
|
|
int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
|
|
int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);
|
|
|
|
void pcmcia_disable_device(struct pcmcia_device *p_dev);
|
|
|
|
/* IO ports */
|
|
#define IO_DATA_PATH_WIDTH 0x18
|
|
#define IO_DATA_PATH_WIDTH_8 0x00
|
|
#define IO_DATA_PATH_WIDTH_16 0x08
|
|
#define IO_DATA_PATH_WIDTH_AUTO 0x10
|
|
|
|
/* IO memory */
|
|
#define WIN_MEMORY_TYPE_CM 0x00 /* default */
|
|
#define WIN_MEMORY_TYPE_AM 0x20 /* MAP_ATTRIB */
|
|
#define WIN_DATA_WIDTH_8 0x00 /* default */
|
|
#define WIN_DATA_WIDTH_16 0x02 /* MAP_16BIT */
|
|
#define WIN_ENABLE 0x01 /* MAP_ACTIVE */
|
|
#define WIN_USE_WAIT 0x40 /* MAP_USE_WAIT */
|
|
|
|
#define WIN_FLAGS_MAP 0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE |
|
|
MAP_USE_WAIT */
|
|
#define WIN_FLAGS_REQ 0x1c /* mapping to socket->win[i]:
|
|
0x04 -> 0
|
|
0x08 -> 1
|
|
0x0c -> 2
|
|
0x10 -> 3 */
|
|
|
|
/* config_reg{ister}s present for this PCMCIA device */
|
|
#define PRESENT_OPTION 0x001
|
|
#define PRESENT_STATUS 0x002
|
|
#define PRESENT_PIN_REPLACE 0x004
|
|
#define PRESENT_COPY 0x008
|
|
#define PRESENT_EXT_STATUS 0x010
|
|
#define PRESENT_IOBASE_0 0x020
|
|
#define PRESENT_IOBASE_1 0x040
|
|
#define PRESENT_IOBASE_2 0x080
|
|
#define PRESENT_IOBASE_3 0x100
|
|
#define PRESENT_IOSIZE 0x200
|
|
|
|
/* flags to be passed to pcmcia_enable_device() */
|
|
#define CONF_ENABLE_IRQ 0x0001
|
|
#define CONF_ENABLE_SPKR 0x0002
|
|
#define CONF_ENABLE_PULSE_IRQ 0x0004
|
|
#define CONF_ENABLE_ESR 0x0008
|
|
#define CONF_ENABLE_IOCARD 0x0010 /* auto-enabled if IO resources or IRQ
|
|
* (CONF_ENABLE_IRQ) in use */
|
|
#define CONF_ENABLE_ZVCARD 0x0020
|
|
|
|
/* flags used by pcmcia_loop_config() autoconfiguration */
|
|
#define CONF_AUTO_CHECK_VCC 0x0100 /* check for matching Vcc? */
|
|
#define CONF_AUTO_SET_VPP 0x0200 /* set Vpp? */
|
|
#define CONF_AUTO_AUDIO 0x0400 /* enable audio line? */
|
|
#define CONF_AUTO_SET_IO 0x0800 /* set ->resource[0,1] */
|
|
#define CONF_AUTO_SET_IOMEM 0x1000 /* set ->resource[2] */
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _LINUX_DS_H */
|