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/* $OpenBSD: rlnvar.h,v 1.6 2002/03/14 03:16:05 millert Exp $ */
/*
* David Leonard <d@openbsd.org>, 1999. Public domain.
*
* Proxim RangeLAN2 soft state copy.
*/
#include <sys/timeout.h>
/*
* Mailboxes are used to communicate card-initiated messages
* from the interrupt handler to other kernel threads.
*/
struct rln_mbox {
void * mb_buf; /* Message buffer */
size_t mb_len; /* Message buffer size */
size_t mb_actlen; /* Actual message size */
u_int8_t mb_state; /* Mailbox state */
#define RLNMBOX_VOID 0
#define RLNMBOX_EMPTY 1
#define RLNMBOX_FILLING 2
#define RLNMBOX_FILLED 3
};
#define RLN_NMBOX 0x7c /* Same as max msg seq number */
/* Soft state */
struct rln_softc {
struct device sc_dev;
void *sc_ih; /* Interrupt handler */
struct arpcom sc_arpcom; /* Ethernet common part */
bus_space_tag_t sc_iot; /* Bus cookie */
bus_space_handle_t sc_ioh; /* Bus i/o handle */
struct timeout sc_timeout;
u_int8_t sc_width; /* Bus transfer width */
u_int8_t sc_irq; /* IRQ for card */
u_int16_t sc_cardtype; /* Set from config flags */
#define RLN_CTYPE_OEM 0x01
#define RLN_CTYPE_UISA 0x02
#define RLN_CTYPE_ONE_PIECE 0x04
u_int8_t sc_intsel; /* Copy of INTSEL */
u_int8_t sc_status; /* Copy of STATUS */
u_int8_t sc_control; /* Copy of CONTROL */
#ifdef RLNDEBUG_REG
u_int16_t dbg_oreg[8]; /* Last reg value written */
#endif
u_int8_t sc_pktseq; /* Card message seq no */
u_int8_t sc_txseq; /* Tx packet seq no */
u_int16_t sc_state; /* Soft state. */
#define RLN_STATE_SYNC 0x0001 /* Card is synchronised */
#define RLN_STATE_NEEDINIT 0x0002 /* Card needs reset+init */
#define RLN_STATE_PROMISC 0x0004 /* Receive all packets */
struct rln_mbox sc_mbox[0x80]; /* Per-message mailboxes */
struct rln_param sc_param; /* User controlled parameters */
};
#define rln_need_reset(sc) \
(sc)->sc_state |= RLN_STATE_NEEDINIT
/* Structure used to hold partial read state for rln_rx_pdata() */
struct rln_pdata {
u_int8_t p_data; /* extra data read but not consumed */
int p_nremain; /* size of unconsumed data */
};
#define RLN_PDATA_INIT {0,0}
/* Structure used to hold partial transmit state for rln_msg_tx_*() */
struct rln_msg_tx_state {
int ien; /* saved interrupt state */
u_int8_t w; /* saved wakup state */
struct rln_pdata pd; /* saved partial write state */
};
struct rln_mm_cmd; /* fwd decl */
#define RLN_WAKEUP_SET 0xff
#define RLN_WAKEUP_NOCHANGE (0x80|0x10)
void rlnconfig(struct rln_softc *);
int rlnintr(void *);
void rlninit(struct rln_softc *);
void rlnstop(struct rln_softc *);
void rlnread(struct rln_softc *, struct rln_mm_cmd *, int);
int rln_enable(struct rln_softc *, int);
int rln_reset(struct rln_softc *);
u_int8_t rln_wakeup(struct rln_softc *, u_int8_t);
int rln_rx_request(struct rln_softc *, int);
int rln_rx_data(struct rln_softc *, void *, int);
void rln_rx_pdata(struct rln_softc *, void *, int,
struct rln_pdata *);
void rln_rx_end(struct rln_softc *);
void rln_clear_nak(struct rln_softc *);
u_int8_t rln_newseq(struct rln_softc *);
void rln_msg_tx_data(struct rln_softc *, void *, u_int16_t,
struct rln_msg_tx_state *);
int rln_msg_tx_start(struct rln_softc *, void *, int,
struct rln_msg_tx_state *);
int rln_msg_tx_end(struct rln_softc *,
struct rln_msg_tx_state *);
int rln_msg_txrx(struct rln_softc *, void *, int,
void *, int);
int rln_mbox_create(struct rln_softc *, u_int8_t, void *,
size_t);
int rln_mbox_wait(struct rln_softc *, u_int8_t, int);
int rln_mbox_lock(struct rln_softc *, u_int8_t, void **,
size_t*);
void rln_mbox_unlock(struct rln_softc *, u_int8_t, size_t);
/* debug all card operations */
#ifdef RLNDEBUG
#define dprintf(fmt, args...) printf(fmt , ## args)
/* log(LOG_DEBUG, fmt , ## args) */
#define dprinthex(buf, len) do { \
unsigned char *_b = (unsigned char *)(buf); \
int _i, _l=(len); \
printf("{"); \
for(_i = 0; _i < _l; _i++) { \
printf("%02x", _b[_i]); \
if (_i % 4 == 3 && _i != _l - 1) \
printf(","); \
} \
printf("}"); \
} while (0)
#else
#define dprintf(fmt, args...) /* nothing */
#define dprinthex(buf, len) /* nothing */
#endif
/* debug messages to/from card. prints 4-octet groups separated by commas */
#define RLNDUMP
#define RLNDUMPHEX(buf, buflen) do { \
int _i; \
for (_i = 0; _i < (buflen); _i++) { \
printf("%02x", ((unsigned char *)(buf))[_i]); \
if (_i != (buflen) - 1 && _i % 4 == 3) \
printf(","); \
} \
} while (0)
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