xref: /netbsd/sys/dev/ic/lemacvar.h (revision bf9ec67e)
1 /*      $NetBSD: lemacvar.h,v 1.6 2001/06/13 10:46:03 wiz Exp $ */
2 
3 /*
4  * Copyright (c) 1997 Matt Thomas <matt@3am-software.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _LEMAC_VAR_H
28 #define	_LEMAC_VAR_H
29 
30 #include "rnd.h"
31 #if NRND > 0
32 #include <sys/rnd.h>
33 #endif
34 
35 /*
36  * Ethernet status, per interface.
37  */
38 typedef struct {
39     struct device sc_dv;
40     void *sc_ih;
41     void *sc_ats;
42     struct ethercom sc_ec;
43     struct ifmedia sc_ifmedia;
44     bus_space_tag_t sc_iot;
45     bus_space_tag_t sc_memt;
46     bus_space_handle_t sc_ioh;
47     bus_space_handle_t sc_memh;
48     unsigned sc_flags;			/* */
49 #define	LEMAC_PIO_MODE		0x0000U
50 #define	LEMAC_2K_MODE		0x0001U
51 #define	LEMAC_WAS_32K_MODE	0x0002U
52 #define	LEMAC_WAS_64K_MODE	0x0003U
53 #define	LEMAC_MODE_MASK		0x0003U
54 #define	LEMAC_ALLMULTI		0x0010U
55 #define	LEMAC_ALIVE		0x0020U
56 #define	LEMAC_LINKUP		0x0040U
57     unsigned sc_lastpage;		/* last 2K page */
58     unsigned sc_txctl;			/* Transmit Control Byte */
59     unsigned sc_ctlmode;		/* media ctl bits */
60     struct {
61 	u_int8_t csr_cs;
62 	u_int8_t csr_tqc;
63 	u_int8_t csr_fmq;
64     } sc_csr;
65     unsigned sc_laststatus;		/* last read of LEMAC_REG_CS */
66     u_int16_t sc_mctbl[LEMAC_MCTBL_SIZE/sizeof(u_int16_t)];
67 					/* local copy of multicast table */
68     struct {
69 	unsigned cntr_txnospc;		/* total # of no trnasmit memory */
70 	unsigned cntr_txfull;		/* total # of tranmitter full */
71 	unsigned cntr_tne_intrs;	/* total # of tranmit done intrs */
72 	unsigned cntr_rne_intrs;	/* total # of receive done intrs */
73 	unsigned cntr_txd_intrs;	/* total # of tranmit error intrs */
74 	unsigned cntr_rxd_intrs;	/* total # of receive error intrs */
75     } sc_cntrs;
76     /*
77      * We rely on sc_enaddr being aligned on (at least) a 16 bit boundary
78      */
79     unsigned char sc_enaddr[ETHER_ADDR_LEN];	/* current Ethernet address */
80     char sc_prodname[LEMAC_EEP_PRDNMSZ+1]; /* product name DE20x-xx */
81     u_int8_t sc_eeprom[LEMAC_EEP_SIZE];	/* local copy eeprom */
82 #if NRND > 0
83     rndsource_element_t rnd_source;
84 #endif
85 } lemac_softc_t;
86 
87 #define	sc_if	sc_ec.ec_if
88 
89 #define	LEMAC_IFP_TO_SOFTC(ifp)	((lemac_softc_t *)((ifp)->if_softc))
90 #define	LEMAC_USE_PIO_MODE(sc)	(((sc->sc_flags & LEMAC_MODE_MASK) == LEMAC_PIO_MODE) || (sc->sc_if.if_flags & IFF_LINK0))
91 
92 #define	LEMAC_OUTB(sc, o, v)	bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (o), (v))
93 #define	LEMAC_OUTSB(sc, o, l, p)	bus_space_write_multi_1((sc)->sc_iot, (sc)->sc_ioh, (o), (p), (l))
94 #define	LEMAC_INB(sc, o)	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (o))
95 #define	LEMAC_INSB(sc, o, l, p)	bus_space_read_multi_1((sc)->sc_iot, (sc)->sc_ioh, (o), (p), (l))
96 
97 #define	LEMAC_PUTBUF8(sc, o, l, p)	bus_space_write_region_1((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
98 #define	LEMAC_PUTBUF16(sc, o, l, p)	bus_space_write_region_2((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
99 #define	LEMAC_PUTBUF32(sc, o, l, p)	bus_space_write_region_4((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
100 
101 #define	LEMAC_PUT8(sc, o, v)	bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (o), (v))
102 #define	LEMAC_PUT16(sc, o, v)	bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (o), (v))
103 #define	LEMAC_PUT32(sc, o, v)	bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (o), (v))
104 
105 #define	LEMAC_GETBUF8(sc, o, l, p)	bus_space_read_region_1((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
106 #define	LEMAC_GETBUF16(sc, o, l, p)	bus_space_read_region_2((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
107 #define	LEMAC_GETBUF32(sc, o, l, p)	bus_space_read_region_4((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
108 
109 #define	LEMAC_GET8(sc, o)	bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (o))
110 #define	LEMAC_GET16(sc, o)	bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (o))
111 #define	LEMAC_GET32(sc, o)	bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (o))
112 
113 
114 #define	LEMAC_INTR_ENABLE(sc) \
115 	LEMAC_OUTB(sc, LEMAC_REG_IC, LEMAC_INB(sc, LEMAC_REG_IC) | LEMAC_IC_ALL)
116 
117 #define	LEMAC_INTR_DISABLE(sc) \
118 	LEMAC_OUTB(sc, LEMAC_REG_IC, LEMAC_INB(sc, LEMAC_REG_IC) & ~LEMAC_IC_ALL)
119 
120 #define LEMAC_IS_64K_MODE(mbase) (((mbase) >= 0x0A) && ((mbase) <= 0x0F))
121 #define LEMAC_IS_32K_MODE(mbase) (((mbase) >= 0x14) && ((mbase) <= 0x1F))
122 #define LEMAC_IS_2K_MODE(mbase)	( (mbase) >= 0x40)
123 
124 #define	LEMAC_DECODEIRQ(i)	((0xFBA5 >> ((i) >> 3)) & 0x0F)
125 
126 #define	LEMAC_ADDREQUAL(a1, a2) \
127 	(((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \
128 	 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \
129 	 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2])
130 
131 #define	LEMAC_ADDRBRDCST(a1) \
132 	(((u_int16_t *)a1)[0] == 0xFFFFU \
133 	 && ((u_int16_t *)a1)[1] == 0xFFFFU \
134 	 && ((u_int16_t *)a1)[2] == 0xFFFFU)
135 
136 extern void lemac_ifattach(lemac_softc_t *sc);
137 extern void lemac_info_get(const bus_space_tag_t iot,
138 			   const bus_space_handle_t ioh,
139 			   bus_addr_t *maddr_p,
140 			   bus_size_t *msize_p,
141 			   int *irq_p);
142 extern int lemac_port_check(const bus_space_tag_t iot,
143 			    const bus_space_handle_t ioh);
144 extern int lemac_intr(void *arg);
145 extern void lemac_shutdown(void *arg);
146 
147 #endif /* _LEMACVAR_H */
148