520d9c36af
ISA 3c509 is currently non-functional, although the EISA (3c509-eisa) and MCA (3c529) variants should build OK. None of this code is yet tested.
126 lines
2.4 KiB
C
126 lines
2.4 KiB
C
#ifndef EISA_H
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#define EISA_H
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#include <stdint.h>
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#include <gpxe/isa_ids.h>
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#include <gpxe/device.h>
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#include <gpxe/tables.h>
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/*
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* EISA constants
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*
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*/
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#define EISA_MIN_SLOT (0x1)
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#define EISA_MAX_SLOT (0xf) /* Must be 2^n - 1 */
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#define EISA_SLOT_BASE( n ) ( 0x1000 * (n) )
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#define EISA_VENDOR_ID ( 0xc80 )
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#define EISA_PROD_ID ( 0xc82 )
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#define EISA_GLOBAL_CONFIG ( 0xc84 )
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#define EISA_CMD_RESET ( 1 << 2 )
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#define EISA_CMD_ENABLE ( 1 << 0 )
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/** An EISA device ID list entry */
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struct eisa_device_id {
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/** Name */
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const char *name;
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/** Manufacturer ID */
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uint16_t vendor_id;
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/** Product ID */
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uint16_t prod_id;
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};
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/** An EISA device */
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struct eisa_device {
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/** Generic device */
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struct device dev;
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/** Slot number */
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unsigned int slot;
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/** I/O address */
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uint16_t ioaddr;
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/** Manufacturer ID */
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uint16_t vendor_id;
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/** Product ID */
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uint16_t prod_id;
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/** Driver for this device */
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struct eisa_driver *driver;
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/** Driver-private data
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*
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* Use eisa_set_drvdata() and eisa_get_drvdata() to access
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* this field.
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*/
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void *priv;
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/** Driver name */
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const char *driver_name;
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};
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/** An EISA driver */
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struct eisa_driver {
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/** EISA ID table */
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struct eisa_device_id *ids;
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/** Number of entries in EISA ID table */
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unsigned int id_count;
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/**
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* Probe device
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*
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* @v eisa EISA device
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* @v id Matching entry in ID table
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* @ret rc Return status code
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*/
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int ( * probe ) ( struct eisa_device *eisa,
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const struct eisa_device_id *id );
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/**
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* Remove device
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*
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* @v eisa EISA device
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*/
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void ( * remove ) ( struct eisa_device *eisa );
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};
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/** Declare an EISA driver */
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#define __eisa_driver __table ( struct eisa_driver, eisa_drivers, 01 )
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extern void eisa_device_enabled ( struct eisa_device *eisa, int enabled );
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/**
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* Enable EISA device
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*
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* @v eisa EISA device
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*/
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static inline void enable_eisa_device ( struct eisa_device *eisa ) {
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eisa_device_enabled ( eisa, 1 );
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}
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/**
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* Disable EISA device
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*
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* @v eisa EISA device
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*/
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static inline void disable_eisa_device ( struct eisa_device *eisa ) {
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eisa_device_enabled ( eisa, 0 );
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}
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/**
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* Set EISA driver-private data
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*
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* @v eisa EISA device
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* @v priv Private data
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*/
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static inline void eisa_set_drvdata ( struct eisa_device *eisa, void *priv ) {
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eisa->priv = priv;
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}
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/**
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* Get EISA driver-private data
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*
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* @v eisa EISA device
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* @ret priv Private data
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*/
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static inline void * eisa_get_drvdata ( struct eisa_device *eisa ) {
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return eisa->priv;
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}
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#endif /* EISA_H */
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