Annotation of sys/dev/ic/rlnvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: rlnvar.h,v 1.7 2002/06/09 03:14:18 todd Exp $ */
2: /*
3: * David Leonard <d@openbsd.org>, 1999. Public domain.
4: *
5: * Proxim RangeLAN2 soft state copy.
6: */
7:
8: #include <sys/timeout.h>
9:
10: /*
11: * Mailboxes are used to communicate card-initiated messages
12: * from the interrupt handler to other kernel threads.
13: */
14: struct rln_mbox {
15: void * mb_buf; /* Message buffer */
16: size_t mb_len; /* Message buffer size */
17: size_t mb_actlen; /* Actual message size */
18: u_int8_t mb_state; /* Mailbox state */
19: #define RLNMBOX_VOID 0
20: #define RLNMBOX_EMPTY 1
21: #define RLNMBOX_FILLING 2
22: #define RLNMBOX_FILLED 3
23: };
24:
25: #define RLN_NMBOX 0x7c /* Same as max msg seq number */
26:
27: /* Soft state */
28: struct rln_softc {
29: struct device sc_dev;
30: void *sc_ih; /* Interrupt handler */
31: struct arpcom sc_arpcom; /* Ethernet common part */
32: bus_space_tag_t sc_iot; /* Bus cookie */
33: bus_space_handle_t sc_ioh; /* Bus i/o handle */
34: struct timeout sc_timeout;
35:
36: u_int8_t sc_width; /* Bus transfer width */
37: u_int8_t sc_irq; /* IRQ for card */
38:
39: u_int16_t sc_cardtype; /* Set from config flags */
40: #define RLN_CTYPE_OEM 0x01
41: #define RLN_CTYPE_UISA 0x02
42: #define RLN_CTYPE_ONE_PIECE 0x04
43:
44: u_int8_t sc_intsel; /* Copy of INTSEL */
45: u_int8_t sc_status; /* Copy of STATUS */
46: u_int8_t sc_control; /* Copy of CONTROL */
47: #ifdef RLNDEBUG_REG
48: u_int16_t dbg_oreg[8]; /* Last reg value written */
49: #endif
50:
51: u_int8_t sc_pktseq; /* Card message seq no */
52: u_int8_t sc_txseq; /* Tx packet seq no */
53:
54: u_int16_t sc_state; /* Soft state. */
55: #define RLN_STATE_SYNC 0x0001 /* Card is synchronised */
56: #define RLN_STATE_NEEDINIT 0x0002 /* Card needs reset+init */
57: #define RLN_STATE_PROMISC 0x0004 /* Receive all packets */
58:
59: struct rln_mbox sc_mbox[0x80]; /* Per-message mailboxes */
60: struct rln_param sc_param; /* User controlled parameters */
61: };
62:
63: #define rln_need_reset(sc) \
64: (sc)->sc_state |= RLN_STATE_NEEDINIT
65:
66: /* Structure used to hold partial read state for rln_rx_pdata() */
67: struct rln_pdata {
68: u_int8_t p_data; /* extra data read but not consumed */
69: int p_nremain; /* size of unconsumed data */
70: };
71: #define RLN_PDATA_INIT {0,0}
72:
73: /* Structure used to hold partial transmit state for rln_msg_tx_*() */
74: struct rln_msg_tx_state {
75: int ien; /* saved interrupt state */
76: u_int8_t w; /* saved wakup state */
77: struct rln_pdata pd; /* saved partial write state */
78: };
79:
80: struct rln_mm_cmd; /* fwd decl */
81:
82: #define RLN_WAKEUP_SET 0xff
83: #define RLN_WAKEUP_NOCHANGE (0x80|0x10)
84:
85: void rlnconfig(struct rln_softc *);
86: int rlnintr(void *);
87: void rlninit(struct rln_softc *);
88: void rlnstop(struct rln_softc *);
89: void rlnread(struct rln_softc *, struct rln_mm_cmd *, int);
90: int rln_enable(struct rln_softc *, int);
91: int rln_reset(struct rln_softc *);
92: u_int8_t rln_wakeup(struct rln_softc *, u_int8_t);
93: int rln_rx_request(struct rln_softc *, int);
94: int rln_rx_data(struct rln_softc *, void *, int);
95: void rln_rx_pdata(struct rln_softc *, void *, int,
96: struct rln_pdata *);
97: void rln_rx_end(struct rln_softc *);
98: void rln_clear_nak(struct rln_softc *);
99: u_int8_t rln_newseq(struct rln_softc *);
100:
101: void rln_msg_tx_data(struct rln_softc *, void *, u_int16_t,
102: struct rln_msg_tx_state *);
103: int rln_msg_tx_start(struct rln_softc *, void *, int,
104: struct rln_msg_tx_state *);
105: int rln_msg_tx_end(struct rln_softc *,
106: struct rln_msg_tx_state *);
107: int rln_msg_txrx(struct rln_softc *, void *, int,
108: void *, int);
109:
110: int rln_mbox_create(struct rln_softc *, u_int8_t, void *,
111: size_t);
112: int rln_mbox_wait(struct rln_softc *, u_int8_t, int);
113: int rln_mbox_lock(struct rln_softc *, u_int8_t, void **,
114: size_t*);
115: void rln_mbox_unlock(struct rln_softc *, u_int8_t, size_t);
116:
117: /* debug all card operations */
118: #ifdef RLNDEBUG
119: #define dprintf(fmt, args...) printf(fmt , ## args)
120: /* log(LOG_DEBUG, fmt , ## args) */
121: #define dprinthex(buf, len) do { \
122: unsigned char *_b = (unsigned char *)(buf); \
123: int _i, _l=(len); \
124: printf("{"); \
125: for(_i = 0; _i < _l; _i++) { \
126: printf("%02x", _b[_i]); \
127: if (_i % 4 == 3 && _i != _l - 1) \
128: printf(","); \
129: } \
130: printf("}"); \
131: } while (0)
132: #else
133: #define dprintf(fmt, args...) /* nothing */
134: #define dprinthex(buf, len) /* nothing */
135: #endif
136:
137: /* debug messages to/from card. prints 4-octet groups separated by commas */
138: #define RLNDUMP
139: #define RLNDUMPHEX(buf, buflen) do { \
140: int _i; \
141: for (_i = 0; _i < (buflen); _i++) { \
142: printf("%02x", ((unsigned char *)(buf))[_i]); \
143: if (_i != (buflen) - 1 && _i % 4 == 3) \
144: printf(","); \
145: } \
146: } while (0)
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