diff options
Diffstat (limited to 'drivers/sound/pnp.h')
| -rw-r--r-- | drivers/sound/pnp.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/sound/pnp.h b/drivers/sound/pnp.h new file mode 100644 index 000000000..eb18c13eb --- /dev/null +++ b/drivers/sound/pnp.h @@ -0,0 +1,112 @@ +#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 |