if_cuereg.h revision 1.20
1/*	$NetBSD: if_cuereg.h,v 1.20 2016/04/23 10:15:31 skrll Exp $	*/
2/*
3 * Copyright (c) 1997, 1998, 1999, 2000
4 *	Bill Paul <wpaul@ee.columbia.edu>.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by Bill Paul.
17 * 4. Neither the name of the author nor the names of any co-contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: src/sys/dev/usb/if_cuereg.h,v 1.3 2000/01/16 22:45:06 wpaul Exp $
34 */
35
36/*
37 * Definitions for the CATC Netmate II USB to ethernet controller.
38 */
39
40#include <sys/rndsource.h>
41
42/*
43 * Vendor specific control commands.
44 */
45#define CUE_CMD_READSRAM			0xF1
46#define CUE_CMD_GET_MACADDR			0xF2
47#define CUE_CMD_RESET				0xF4
48#define CUE_CMD_WRITEREG			0xFA
49#define CUE_CMD_READREG				0xFB
50#define CUE_CMD_WRITESRAM			0xFC
51
52/*
53 * Internal registers
54 */
55#define CUE_TX_BUFCNT				0x20
56#define CUE_RX_BUFCNT				0x21
57#define CUE_ADVANCED_OPMODES			0x22
58#define CUE_TX_BUFPKTS				0x23
59#define CUE_RX_BUFPKTS				0x24
60#define CUE_RX_MAXCHAIN				0x25
61
62#define CUE_ETHCTL				0x60
63#define CUE_ETHSTS				0x61
64#define CUE_PAR5				0x62
65#define CUE_PAR4				0x63
66#define CUE_PAR3				0x64
67#define CUE_PAR2				0x65
68#define CUE_PAR1				0x66
69#define CUE_PAR0				0x67
70
71/* Error counters, all 16 bits wide. */
72#define CUE_TX_SINGLECOLL			0x69
73#define CUE_TX_MULTICOLL			0x6B
74#define CUE_TX_EXCESSCOLL			0x6D
75#define CUE_RX_FRAMEERR				0x6F
76
77#define CUE_LEDCTL				0x81
78
79/* Advenced operating mode register */
80#define CUE_AOP_SRAMWAITS			0x03
81#define CUE_AOP_EMBED_RXLEN			0x08
82#define CUE_AOP_RXCOMBINE			0x10
83#define CUE_AOP_TXCOMBINE			0x20
84#define CUE_AOP_EVEN_PKT_READS			0x40
85#define CUE_AOP_LOOPBK				0x80
86
87/* Ethernet control register */
88#define CUE_ETHCTL_RX_ON			0x01
89#define CUE_ETHCTL_LINK_POLARITY		0x02
90#define CUE_ETHCTL_LINK_FORCE_OK		0x04
91#define CUE_ETHCTL_MCAST_ON			0x08
92#define CUE_ETHCTL_PROMISC			0x10
93
94/* Ethernet status register */
95#define CUE_ETHSTS_NO_CARRIER			0x01
96#define CUE_ETHSTS_LATECOLL			0x02
97#define CUE_ETHSTS_EXCESSCOLL			0x04
98#define CUE_ETHSTS_TXBUF_AVAIL			0x08
99#define CUE_ETHSTS_BAD_POLARITY			0x10
100#define CUE_ETHSTS_LINK_OK			0x20
101
102/* LED control register */
103#define CUE_LEDCTL_BLINK_1X			0x00
104#define CUE_LEDCTL_BLINK_2X			0x01
105#define CUE_LEDCTL_BLINK_QUARTER_ON		0x02
106#define CUE_LEDCTL_BLINK_QUARTER_OFF		0x03
107#define CUE_LEDCTL_OFF				0x04
108#define CUE_LEDCTL_FOLLOW_LINK			0x08
109
110/*
111 * Address in ASIC's internal SRAM where the
112 * multicast hash table lives. The table is 64 bytes long,
113 * giving us a 512-bit table. We have to set the bit that
114 * corresponds to the broadcast address in order to enable
115 * reception of broadcast frames.
116 */
117#define CUE_MCAST_TABLE_ADDR			0xFA80
118#define CUE_MCAST_TABLE_LEN			64
119
120#define CUE_TIMEOUT		1000
121#define ETHER_ALIGN		2
122#define CUE_BUFSZ		1536
123#define CUE_MIN_FRAMELEN	60
124#define CUE_RX_FRAMES		1
125#define CUE_TX_FRAMES		1
126
127#define CUE_RX_LIST_CNT		1
128#define CUE_TX_LIST_CNT		1
129
130#define CUE_CTL_READ		0x01
131#define CUE_CTL_WRITE		0x02
132
133#define CUE_CONFIG_NO		1
134#define CUE_IFACE_IDX		0
135
136/*
137 * The interrupt endpoint is currently unused by the CATC part.
138 */
139#define CUE_ENDPT_RX		0x0
140#define CUE_ENDPT_TX		0x1
141#define CUE_ENDPT_INTR		0x2
142#define CUE_ENDPT_MAX		0x3
143
144struct cue_type {
145	uint16_t		cue_vid;
146	uint16_t		cue_did;
147};
148
149struct cue_softc;
150
151struct cue_chain {
152	struct cue_softc	*cue_sc;
153	struct usbd_xfer	*cue_xfer;
154	char			*cue_buf;
155	struct mbuf		*cue_mbuf;
156	int			cue_idx;
157};
158
159struct cue_cdata {
160	struct cue_chain	cue_tx_chain[CUE_TX_LIST_CNT];
161	struct cue_chain	cue_rx_chain[CUE_RX_LIST_CNT];
162	int			cue_tx_prod;
163	int			cue_tx_cons;
164	int			cue_tx_cnt;
165	int			cue_rx_prod;
166};
167
168struct cue_softc {
169	device_t cue_dev;
170
171	struct ethercom		cue_ec;
172	krndsource_t	rnd_source;
173#define GET_IFP(sc) (&(sc)->cue_ec.ec_if)
174
175	struct callout cue_stat_ch;
176
177	struct usbd_device *	cue_udev;
178	struct usbd_interface *	cue_iface;
179	uint16_t		cue_vendor;
180	uint16_t		cue_product;
181	int			cue_ed[CUE_ENDPT_MAX];
182	struct usbd_pipe *	cue_ep[CUE_ENDPT_MAX];
183	uint8_t			cue_mctab[CUE_MCAST_TABLE_LEN];
184	int			cue_if_flags;
185	uint16_t		cue_rxfilt;
186	struct cue_cdata	cue_cdata;
187
188	char			cue_dying;
189	char			cue_attached;
190	u_int			cue_rx_errs;
191	struct timeval		cue_rx_notice;
192
193	struct usb_task		cue_tick_task;
194	struct usb_task		cue_stop_task;
195};
196