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/* $OpenBSD: rl2var.h,v 1.2 1999/06/23 04:48:49 d Exp $ */
/*
* David Leonard <d@openbsd.org>, 1999. Public domain.
*
* Proxim RangeLAN2 soft state copy.
*/
/*
* Mailboxes are used to communicate card-initiated messages
* from the interrupt handler to other kernel threads.
*/
struct rl2_mbox {
void * mb_buf; /* caller's buffer */
size_t mb_len; /* buffer size */
size_t mb_actlen; /* actual message size */
volatile u_int8_t mb_state; /* mailbox state */
#define RL2MBOX_VOID 0
#define RL2MBOX_EMPTY 1
#define RL2MBOX_FILLING 2
#define RL2MBOX_FILLED 3
};
#define RL2_NMBOX 0x7c /* = maximum sequence number */
/* Soft state */
struct rl2_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 */
u_int8_t sc_width; /* bus transfer width */
u_int8_t sc_irq; /* irq for card */
u_int16_t sc_cardtype; /* set from the 'flags' directive */
#define RL2_CTYPE_OEM 0x01
#define RL2_CTYPE_UISA 0x02
#define RL2_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 RL2DEBUG_REG
u_int8_t dbg_oreg[8]; /* last value written to registers */
#endif
u_int8_t sc_pktseq; /* card message seq no */
u_int8_t sc_txseq; /* tx packet seq no */
u_int16_t sc_state;
#define RL2_STATE_SYNC 0x0001 /* card is synchronised */
struct rl2_mbox sc_mbox[0x80]; /* per-message mailboxes */
struct rl2_param sc_param; /* user-configurable parameters */
u_int8_t sc_promisc; /* receive all packets */
};
/* Structure used to hold partial read state for rl2_rx_pdata() */
struct rl2_pdata {
u_int8_t p_data; /* extra data read but not consumed */
int p_nremain; /* size of unconsumed data */
};
#define RL2_PDATA_INIT {0,0}
/* Structure used to hold partial transmit state for rl2_msg_tx_*() */
struct rl2_msg_tx_state {
int ien; /* saved interrupt state */
u_int8_t w; /* saved wakup state */
struct rl2_pdata pd; /* saved partial write state */
};
struct rl2_mm_cmd; /* fwd decl */
#define RL2_WAKEUP_SET 0xff
#define RL2_WAKEUP_NOCHANGE (0x80|0x10)
void rl2config __P((struct rl2_softc *));
int rl2intr __P((void *));
void rl2read __P((struct rl2_softc *, struct rl2_mm_cmd *, int));
int rl2_enable __P((struct rl2_softc *, int));
int rl2_reset __P((struct rl2_softc *));
u_int8_t rl2_wakeup __P((struct rl2_softc *, u_int8_t));
int rl2_rx_request __P((struct rl2_softc *, int));
int rl2_rx_data __P((struct rl2_softc *, void *, int));
void rl2_rx_pdata __P((struct rl2_softc *, void *, int,
struct rl2_pdata *));
void rl2_rx_end __P((struct rl2_softc *));
void rl2_clear_nak __P((struct rl2_softc *));
u_int8_t rl2_newseq __P((struct rl2_softc *));
void rl2_msg_tx_data __P((struct rl2_softc *, void *, u_int16_t,
struct rl2_msg_tx_state *));
int rl2_msg_tx_start __P((struct rl2_softc *, void *, int,
struct rl2_msg_tx_state *));
int rl2_msg_tx_end __P((struct rl2_softc *,
struct rl2_msg_tx_state *));
int rl2_msg_txrx __P((struct rl2_softc *, void *, int,
void *, int));
int rl2_mbox_create __P((struct rl2_softc *, u_int8_t, void *,
size_t));
int rl2_mbox_wait __P((struct rl2_softc *, u_int8_t, int));
int rl2_mbox_lock __P((struct rl2_softc *, u_int8_t, void **,
size_t*));
void rl2_mbox_unlock __P((struct rl2_softc *, u_int8_t, size_t));
/* debug all card operations */
#ifdef RL2DEBUG
#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 RL2DUMP
#define RL2DUMPHEX(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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