xref: /freebsd/sys/dev/usb/net/if_cuereg.h (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 1997, 1998, 1999, 2000
5  *	Bill Paul <wpaul@ee.columbia.edu>.  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. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  */
36 
37 /*
38  * Definitions for the CATC Netmate II USB to ethernet controller.
39  */
40 
41 /* Vendor specific control commands. */
42 #define	CUE_CMD_RESET			0xF4
43 #define	CUE_CMD_GET_MACADDR		0xF2
44 #define	CUE_CMD_WRITEREG		0xFA
45 #define	CUE_CMD_READREG			0xFB
46 #define	CUE_CMD_READSRAM		0xF1
47 #define	CUE_CMD_WRITESRAM		0xFC
48 /* Internal registers. */
49 #define	CUE_TX_BUFCNT			0x20
50 #define	CUE_RX_BUFCNT			0x21
51 #define	CUE_ADVANCED_OPMODES		0x22
52 #define	CUE_TX_BUFPKTS			0x23
53 #define	CUE_RX_BUFPKTS			0x24
54 #define	CUE_RX_MAXCHAIN			0x25
55 #define	CUE_ETHCTL			0x60
56 #define	CUE_ETHSTS			0x61
57 #define	CUE_PAR5			0x62
58 #define	CUE_PAR4			0x63
59 #define	CUE_PAR3			0x64
60 #define	CUE_PAR2			0x65
61 #define	CUE_PAR1			0x66
62 #define	CUE_PAR0			0x67
63 /* Error counters, all 16 bits wide. */
64 #define	CUE_TX_SINGLECOLL		0x69
65 #define	CUE_TX_MULTICOLL		0x6B
66 #define	CUE_TX_EXCESSCOLL		0x6D
67 #define	CUE_RX_FRAMEERR			0x6F
68 #define	CUE_LEDCTL			0x81
69 /* Advenced operating mode register. */
70 #define	CUE_AOP_SRAMWAITS		0x03
71 #define	CUE_AOP_EMBED_RXLEN		0x08
72 #define	CUE_AOP_RXCOMBINE		0x10
73 #define	CUE_AOP_TXCOMBINE		0x20
74 #define	CUE_AOP_EVEN_PKT_READS		0x40
75 #define	CUE_AOP_LOOPBK			0x80
76 /* Ethernet control register. */
77 #define	CUE_ETHCTL_RX_ON		0x01
78 #define	CUE_ETHCTL_LINK_POLARITY	0x02
79 #define	CUE_ETHCTL_LINK_FORCE_OK	0x04
80 #define	CUE_ETHCTL_MCAST_ON		0x08
81 #define	CUE_ETHCTL_PROMISC		0x10
82 /* Ethernet status register. */
83 #define	CUE_ETHSTS_NO_CARRIER		0x01
84 #define	CUE_ETHSTS_LATECOLL		0x02
85 #define	CUE_ETHSTS_EXCESSCOLL		0x04
86 #define	CUE_ETHSTS_TXBUF_AVAIL		0x08
87 #define	CUE_ETHSTS_BAD_POLARITY		0x10
88 #define	CUE_ETHSTS_LINK_OK		0x20
89 /* LED control register. */
90 #define	CUE_LEDCTL_BLINK_1X		0x00
91 #define	CUE_LEDCTL_BLINK_2X		0x01
92 #define	CUE_LEDCTL_BLINK_QUARTER_ON	0x02
93 #define	CUE_LEDCTL_BLINK_QUARTER_OFF	0x03
94 #define	CUE_LEDCTL_OFF			0x04
95 #define	CUE_LEDCTL_FOLLOW_LINK		0x08
96 
97 /*
98  * Address in ASIC's internal SRAM where the multicast hash table lives.
99  * The table is 64 bytes long, giving us a 512-bit table.  We have to set
100  * the bit that corresponds to the broadcast address in order to enable
101  * reception of broadcast frames.
102  */
103 #define	CUE_MCAST_TABLE_ADDR	0xFA80
104 
105 #define	CUE_TIMEOUT		1000
106 #define	CUE_MIN_FRAMELEN	60
107 #define	CUE_RX_FRAMES		1
108 #define	CUE_TX_FRAMES		1
109 
110 #define	CUE_CTL_READ		0x01
111 #define	CUE_CTL_WRITE		0x02
112 
113 #define	CUE_CONFIG_IDX		0	/* config number 1 */
114 #define	CUE_IFACE_IDX		0
115 
116 /* The interrupt endpoint is currently unused by the CATC part. */
117 enum {
118 	CUE_BULK_DT_WR,
119 	CUE_BULK_DT_RD,
120 	CUE_N_TRANSFER,
121 };
122 
123 struct cue_softc {
124 	struct usb_ether	sc_ue;
125 	struct mtx		sc_mtx;
126 	struct usb_xfer	*sc_xfer[CUE_N_TRANSFER];
127 
128 	int			sc_flags;
129 #define	CUE_FLAG_LINK		0x0001	/* got a link */
130 };
131 
132 #define	CUE_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
133 #define	CUE_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
134 #define	CUE_LOCK_ASSERT(_sc, t)	mtx_assert(&(_sc)->sc_mtx, t)
135