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#ifndef _PNP_H_
#define _PNP_H_
#define MAX_PNP_CARDS 16
#define PNP_DEVID(a, b, c, id) \
((a-'@')<<26) | ((b-'@')<<21) | ((c-'@') << 16) | (id&0xffff)
#define NO_PORT 0
#define NO_IRQ 0
#define NO_DMA 4
struct pnp_port_resource
{
short range_min, range_max;
unsigned char align, len;
};
struct pnp_func
{
struct pnp_dev *dev;
unsigned long flags;
struct pnp_func *next;
int nports;
struct pnp_port_resource ports[8];
int nirq;
unsigned short irq[2];
int ndma;
unsigned char dma[2];
};
struct pnp_dev
{
int key; /* A PnP device id identifying this device */
char *name; /* ANSI identifier string */
int devno; /* Logical device number within a card */
int ncompat; /* Number of compatible device idents */
int compat_keys[8]; /* List of PnP compatible device idents */
struct pnp_card *card; /* Link to the card which holds this device */
struct pnp_dev *next; /* Pointer to next logical device or NULL */
int nports, nirq, ndma;
int nfunc; /* Number of dependent function records */
struct pnp_func *functions; /* List of dependent functions */
int driver; /* Driver signature or 0 */
int preconfig; /* 1 if config has been set manully */
};
struct pnp_card
{
int key; /* Unique PnP device identifier */
char *name; /* ANSI identifier string of the card */
int csn; /* Card select number */
char pnp_version;
char vendor_version;
int driven; /* 0=No driver assigned, */
/* 1=Drivers assigned to some of logical devices */
/* 2=Card and all of it's devices have a driver */
int relocated; /* 0=Card is inactive, 1=card is up and running */
int ndevs; /* Number of logical devices on the card */
struct pnp_dev *devices; /* Pointer to first function entry */
};
typedef struct pnp_card_info {
struct pnp_card card;
char name[64];
} pnp_card_info;
extern int pnp_card_count;
extern struct pnp_card *pnp_cards[MAX_PNP_CARDS];
extern struct pnp_dev *pnp_device_list;
extern int pnp_trace;
/*
* Callable functions
*/
extern void pnp_init(void); /* Called by kernel during boot */
extern void terminate_pnp(void);
extern int pnp_connect(char *driver_name);
extern void pnp_disconnect(int driver_signature);
/*
* pnp_get_descr() returns an ASCII desctription string for a device.
* The parameter is an compressed EISA identifier of the device/card.
*/
extern char *pnp_get_descr (int id);
extern void pnp_enable_device(struct pnp_dev *dev, int state);
extern void pnp_set_port(struct pnp_dev *dev, int selec, unsigned short base);
extern void pnp_set_irq(struct pnp_dev *dev, int selec, unsigned short val);
extern void pnp_set_dma(struct pnp_dev *dev, int selec, unsigned short val);
extern unsigned short pnp_get_port(struct pnp_dev *dev, int selec);
extern unsigned short pnp_get_irq(struct pnp_dev *dev, int selec);
extern unsigned short pnp_get_dma(struct pnp_dev *dev, int selec);
extern int pnp_allocate_device(int driver_sig, struct pnp_dev *dev, int basemask, int irqmask,
int dmamask, int memmask);
extern void pnp_release_device(int driver_sig, struct pnp_dev *dev);
extern int pnp_asc2devid(char *name);
extern char *pnp_devid2asc(int id);
extern void pnp_dump_resources(void);
extern int pnp_device_status (struct pnp_dev *dev);
struct pnp_dev *pnp_get_next_device(int driver_sig, struct pnp_dev *prev);
unsigned char pnp_readreg (struct pnp_dev *dev, int reg);
#endif
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