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. */
117enum {
118	CUE_BULK_DT_WR,
119	CUE_BULK_DT_RD,
120	CUE_N_TRANSFER,
121};
122
123struct 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