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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2, or (at
* your option) any later version.
*/
#ifndef NIC_H
#define NIC_H
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <byteswap.h>
#include <gpxe/pci.h>
#include <gpxe/isapnp.h>
#include <gpxe/isa.h>
#include <gpxe/eisa.h>
#include <gpxe/mca.h>
#include "dhcp.h"
typedef enum {
DISABLE = 0,
ENABLE,
FORCE
} irq_action_t;
typedef enum duplex {
HALF_DUPLEX = 1,
FULL_DUPLEX
} duplex_t;
/*
* Structure returned from eth_probe and passed to other driver
* functions.
*/
struct nic {
struct nic_operations *nic_op;
int flags; /* driver specific flags */
unsigned char *node_addr;
unsigned char *packet;
unsigned int packetlen;
unsigned int ioaddr;
unsigned char irqno;
unsigned int mbps;
duplex_t duplex;
struct dhcp_dev_id dhcp_dev_id;
void *priv_data; /* driver private data */
};
struct nic_operations {
int ( *connect ) ( struct nic * );
int ( *poll ) ( struct nic *, int retrieve );
void ( *transmit ) ( struct nic *, const char *,
unsigned int, unsigned int, const char * );
void ( *irq ) ( struct nic *, irq_action_t );
};
extern struct nic nic;
static inline int eth_poll ( int retrieve ) {
return nic.nic_op->poll ( &nic, retrieve );
}
static inline void eth_transmit ( const char *dest, unsigned int type,
unsigned int size, const void *packet ) {
nic.nic_op->transmit ( &nic, dest, type, size, packet );
}
/*
* Function prototypes
*
*/
extern int dummy_connect ( struct nic *nic );
extern void dummy_irq ( struct nic *nic, irq_action_t irq_action );
extern int legacy_probe ( void *hwdev,
void ( * set_drvdata ) ( void *hwdev, void *priv ),
struct device *dev,
int ( * probe ) ( struct nic *nic, void *hwdev ),
void ( * disable ) ( struct nic *nic, void *hwdev ));
void legacy_remove ( void *hwdev,
void * ( * get_drvdata ) ( void *hwdev ),
void ( * disable ) ( struct nic *nic, void *hwdev ) );
#define PCI_DRIVER(_name,_ids,_class) \
static inline int \
_name ## _pci_legacy_probe ( struct pci_device *pci, \
const struct pci_device_id *id ); \
static inline void \
_name ## _pci_legacy_remove ( struct pci_device *pci ); \
struct pci_driver _name __pci_driver = { \
.ids = _ids, \
.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
.probe = _name ## _pci_legacy_probe, \
.remove = _name ## _pci_legacy_remove, \
}; \
REQUIRE_OBJECT ( pci );
static inline void legacy_pci_set_drvdata ( void *hwdev, void *priv ) {
pci_set_drvdata ( hwdev, priv );
}
static inline void * legacy_pci_get_drvdata ( void *hwdev ) {
return pci_get_drvdata ( hwdev );
}
#define ISAPNP_DRIVER(_name,_ids) \
static inline int \
_name ## _isapnp_legacy_probe ( struct isapnp_device *isapnp, \
const struct isapnp_device_id *id ); \
static inline void \
_name ## _isapnp_legacy_remove ( struct isapnp_device *isapnp ); \
struct isapnp_driver _name __isapnp_driver = { \
.ids = _ids, \
.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
.probe = _name ## _isapnp_legacy_probe, \
.remove = _name ## _isapnp_legacy_remove, \
}; \
REQUIRE_OBJECT ( isapnp );
static inline void legacy_isapnp_set_drvdata ( void *hwdev, void *priv ) {
isapnp_set_drvdata ( hwdev, priv );
}
static inline void * legacy_isapnp_get_drvdata ( void *hwdev ) {
return isapnp_get_drvdata ( hwdev );
}
#define EISA_DRIVER(_name,_ids) \
static inline int \
_name ## _eisa_legacy_probe ( struct eisa_device *eisa, \
const struct eisa_device_id *id ); \
static inline void \
_name ## _eisa_legacy_remove ( struct eisa_device *eisa ); \
struct eisa_driver _name __eisa_driver = { \
.ids = _ids, \
.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
.probe = _name ## _eisa_legacy_probe, \
.remove = _name ## _eisa_legacy_remove, \
}; \
REQUIRE_OBJECT ( eisa );
static inline void legacy_eisa_set_drvdata ( void *hwdev, void *priv ) {
eisa_set_drvdata ( hwdev, priv );
}
static inline void * legacy_eisa_get_drvdata ( void *hwdev ) {
return eisa_get_drvdata ( hwdev );
}
#define MCA_DRIVER(_name,_ids) \
static inline int \
_name ## _mca_legacy_probe ( struct mca_device *mca, \
const struct mca_device_id *id ); \
static inline void \
_name ## _mca_legacy_remove ( struct mca_device *mca ); \
struct mca_driver _name __mca_driver = { \
.ids = _ids, \
.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
.probe = _name ## _mca_legacy_probe, \
.remove = _name ## _mca_legacy_remove, \
}; \
REQUIRE_OBJECT ( mca );
static inline void legacy_mca_set_drvdata ( void *hwdev, void *priv ) {
mca_set_drvdata ( hwdev, priv );
}
static inline void * legacy_mca_get_drvdata ( void *hwdev ) {
return mca_get_drvdata ( hwdev );
}
#define ISA_DRIVER(_name,_probe_addrs,_probe_addr,_vendor_id,_prod_id) \
static inline int \
_name ## _isa_legacy_probe ( struct isa_device *isa ); \
static inline int \
_name ## _isa_legacy_probe_at_addr ( struct isa_device *isa ) { \
if ( ! _probe_addr ( isa->ioaddr ) ) \
return -ENODEV; \
return _name ## _isa_legacy_probe ( isa ); \
} \
static inline void \
_name ## _isa_legacy_remove ( struct isa_device *isa ); \
static const char _name ## _text[]; \
struct isa_driver _name __isa_driver = { \
.name = _name ## _text, \
.probe_addrs = _probe_addrs, \
.addr_count = ( sizeof ( _probe_addrs ) / \
sizeof ( _probe_addrs[0] ) ), \
.vendor_id = _vendor_id, \
.prod_id = _prod_id, \
.probe = _name ## _isa_legacy_probe_at_addr, \
.remove = _name ## _isa_legacy_remove, \
}; \
REQUIRE_OBJECT ( isa );
static inline void legacy_isa_set_drvdata ( void *hwdev, void *priv ) {
isa_set_drvdata ( hwdev, priv );
}
static inline void * legacy_isa_get_drvdata ( void *hwdev ) {
return isa_get_drvdata ( hwdev );
}
#undef DRIVER
#define DRIVER(_name_text,_unused2,_unused3,_name,_probe,_disable) \
static const char _name ## _text[] = _name_text; \
static inline int \
_name ## _probe ( struct nic *nic, void *hwdev ) { \
return _probe ( nic, hwdev ); \
} \
static inline void \
_name ## _disable ( struct nic *nic, void *hwdev ) { \
void ( * _unsafe_disable ) () = _disable; \
_unsafe_disable ( nic, hwdev ); \
} \
static inline int \
_name ## _pci_legacy_probe ( struct pci_device *pci, \
const struct pci_device_id *id __unused ) { \
return legacy_probe ( pci, legacy_pci_set_drvdata, \
&pci->dev, _name ## _probe, \
_name ## _disable ); \
} \
static inline void \
_name ## _pci_legacy_remove ( struct pci_device *pci ) { \
return legacy_remove ( pci, legacy_pci_get_drvdata, \
_name ## _disable ); \
} \
static inline int \
_name ## _isapnp_legacy_probe ( struct isapnp_device *isapnp, \
const struct isapnp_device_id *id __unused ) { \
return legacy_probe ( isapnp, legacy_isapnp_set_drvdata, \
&isapnp->dev, _name ## _probe, \
_name ## _disable ); \
} \
static inline void \
_name ## _isapnp_legacy_remove ( struct isapnp_device *isapnp ) { \
return legacy_remove ( isapnp, legacy_isapnp_get_drvdata, \
_name ## _disable ); \
} \
static inline int \
_name ## _eisa_legacy_probe ( struct eisa_device *eisa, \
const struct eisa_device_id *id __unused ) { \
return legacy_probe ( eisa, legacy_eisa_set_drvdata, \
&eisa->dev, _name ## _probe, \
_name ## _disable ); \
} \
static inline void \
_name ## _eisa_legacy_remove ( struct eisa_device *eisa ) { \
return legacy_remove ( eisa, legacy_eisa_get_drvdata, \
_name ## _disable ); \
} \
static inline int \
_name ## _mca_legacy_probe ( struct mca_device *mca, \
const struct mca_device_id *id __unused ) { \
return legacy_probe ( mca, legacy_mca_set_drvdata, \
&mca->dev, _name ## _probe, \
_name ## _disable ); \
} \
static inline void \
_name ## _mca_legacy_remove ( struct mca_device *mca ) { \
return legacy_remove ( mca, legacy_mca_get_drvdata, \
_name ## _disable ); \
} \
static inline int \
_name ## _isa_legacy_probe ( struct isa_device *isa ) { \
return legacy_probe ( isa, legacy_isa_set_drvdata, \
&isa->dev, _name ## _probe, \
_name ## _disable ); \
} \
static inline void \
_name ## _isa_legacy_remove ( struct isa_device *isa ) { \
return legacy_remove ( isa, legacy_isa_get_drvdata, \
_name ## _disable ); \
}
static inline void pci_fill_nic ( struct nic *nic, struct pci_device *pci ) {
nic->ioaddr = pci->ioaddr;
nic->irqno = pci->irq;
}
static inline void isapnp_fill_nic ( struct nic *nic,
struct isapnp_device *isapnp ) {
nic->ioaddr = isapnp->ioaddr;
nic->irqno = isapnp->irqno;
}
static inline void eisa_fill_nic ( struct nic *nic,
struct eisa_device *eisa ) {
nic->ioaddr = eisa->ioaddr;
nic->irqno = 0;
}
static inline void mca_fill_nic ( struct nic *nic,
struct mca_device *mca __unused ) {
/* ioaddr and irqno must be read in a device-dependent way
* from the POS registers
*/
nic->ioaddr = 0;
nic->irqno = 0;
}
static inline void isa_fill_nic ( struct nic *nic, struct isa_device *isa ) {
nic->ioaddr = isa->ioaddr;
nic->irqno = 0;
}
#endif /* NIC_H */
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