1 /*	$NetBSD: if_axereg.h,v 1.18 2016/04/23 10:15:31 skrll Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, 1998, 1999, 2000-2003
5  *	Bill Paul <wpaul@windriver.com>.  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: src/sys/dev/usb/if_axereg.h,v 1.2 2003/06/15 21:45:43 wpaul Exp $
35  */
36 
37 /*
38  * Definitions for the ASIX Electronics AX88172 to ethernet controller.
39  */
40 
41 #include <sys/rndsource.h>
42 
43 /*
44  * Vendor specific commands
45  * ASIX conveniently doesn't document the 'set NODEID' command in their
46  * datasheet (thanks a lot guys).
47  * To make handling these commands easier, I added some extra data
48  * which is decided by the axe_cmd() routine. Commands are encoded
49  * in 16 bites, with the format: LDCC. L and D are both nibbles in
50  * the high byte. L represents the data length (0 to 15) and D
51  * represents the direction (0 for vendor read, 1 for vendor write).
52  * CC is the command byte, as specified in the manual.
53  */
54 
55 #define AXE_CMD_DIR(x)	(((x) & 0x0F00) >> 8)
56 #define AXE_CMD_LEN(x)	(((x) & 0xF000) >> 12)
57 #define AXE_CMD_CMD(x)	((x) & 0x00FF)
58 
59 #define AXE_172_CMD_READ_RXTX_SRAM		0x2002
60 #define AXE_182_CMD_READ_RXTX_SRAM		0x6002
61 #define AXE_172_CMD_WRITE_RX_SRAM		0x0103
62 #define AXE_172_CMD_WRITE_TX_SRAM		0x0104
63 #define AXE_182_CMD_WRITE_RXTX_SRAM		0x8103
64 #define AXE_CMD_MII_OPMODE_SW			0x0106
65 #define AXE_CMD_MII_READ_REG			0x2007
66 #define AXE_CMD_MII_WRITE_REG			0x2108
67 #define AXE_CMD_MII_READ_OPMODE			0x1009
68 #define AXE_CMD_MII_OPMODE_HW			0x010A
69 #define AXE_CMD_SROM_READ			0x200B
70 #define AXE_CMD_SROM_WRITE			0x010C
71 #define AXE_CMD_SROM_WR_ENABLE			0x010D
72 #define AXE_CMD_SROM_WR_DISABLE			0x010E
73 #define AXE_CMD_RXCTL_READ			0x200F
74 #define AXE_CMD_RXCTL_WRITE			0x0110
75 #define AXE_CMD_READ_IPG012			0x3011
76 #define AXE_172_CMD_WRITE_IPG0			0x0112
77 #define AXE_172_CMD_WRITE_IPG1			0x0113
78 #define AXE_172_CMD_WRITE_IPG2			0x0114
79 #define AXE_178_CMD_WRITE_IPG012		0x0112
80 #define AXE_CMD_READ_MCAST			0x8015
81 #define AXE_CMD_WRITE_MCAST			0x8116
82 #define AXE_172_CMD_READ_NODEID			0x6017
83 #define AXE_172_CMD_WRITE_NODEID		0x6118
84 #define AXE_178_CMD_READ_NODEID			0x6013
85 #define AXE_178_CMD_WRITE_NODEID		0x6114
86 #define AXE_CMD_READ_PHYID			0x2019
87 #define AXE_172_CMD_READ_MEDIA			0x101A
88 #define AXE_178_CMD_READ_MEDIA			0x201A
89 #define AXE_CMD_WRITE_MEDIA			0x011B
90 #define AXE_CMD_READ_MONITOR_MODE		0x101C
91 #define AXE_CMD_WRITE_MONITOR_MODE		0x011D
92 #define AXE_CMD_READ_GPIO			0x101E
93 #define AXE_CMD_WRITE_GPIO			0x011F
94 #define AXE_CMD_SW_RESET_REG			0x0120
95 #define AXE_CMD_SW_PHY_STATUS			0x0021
96 #define AXE_CMD_SW_PHY_SELECT			0x0122
97 
98 #define AXE_SW_RESET_CLEAR			0x00
99 #define AXE_SW_RESET_RR				0x01
100 #define AXE_SW_RESET_RT				0x02
101 #define AXE_SW_RESET_PRTE			0x04
102 #define AXE_SW_RESET_PRL			0x08
103 #define AXE_SW_RESET_BZ				0x10
104 #define AXE_SW_RESET_IPRL			0x20
105 #define AXE_SW_RESET_IPPD			0x40
106 
107 /* AX88178 documentation says to always write this bit... */
108 #define AXE_178_RESET_MAGIC			0x40
109 
110 #define AXE_178_MEDIA_GMII			0x0001
111 #define AXE_MEDIA_FULL_DUPLEX			0x0002
112 #define AXE_172_MEDIA_TX_ABORT_ALLOW		0x0004
113 /* AX88178 documentation says to always write 1 to reserved bit... */
114 #define AXE_178_MEDIA_MAGIC			0x0004
115 #define AXE_178_MEDIA_ENCK			0x0008
116 #define AXE_172_MEDIA_FLOW_CONTROL_EN		0x0010
117 #define AXE_178_MEDIA_RXFLOW_CONTROL_EN		0x0010
118 #define AXE_178_MEDIA_TXFLOW_CONTROL_EN		0x0020
119 #define AXE_178_MEDIA_JUMBO_EN			0x0040
120 #define AXE_178_MEDIA_LTPF_ONLY			0x0080
121 #define AXE_178_MEDIA_RX_EN			0x0100
122 #define AXE_178_MEDIA_100TX			0x0200
123 #define AXE_178_MEDIA_SBP			0x0800
124 #define AXE_178_MEDIA_SUPERMAC			0x1000
125 
126 #define AXE_PHY_SEL_PRI		1
127 #define AXE_PHY_SEL_SEC		0
128 #define AXE_PHY_TYPE_MASK	0xE0
129 #define AXE_PHY_TYPE_SHIFT	5
130 #define AXE_PHY_TYPE(x)		\
131 	(((x) & AXE_PHY_TYPE_MASK) >> AXE_PHY_TYPE_SHIFT)
132 
133 #define PHY_TYPE_100_HOME	0	/* 10/100 or 1M HOME PHY */
134 #define PHY_TYPE_GIG		1	/* Gigabit PHY */
135 #define PHY_TYPE_SPECIAL	4	/* Special case */
136 #define PHY_TYPE_RSVD		5	/* Reserved */
137 #define PHY_TYPE_NON_SUP	7	/* Non-supported PHY */
138 
139 #define AXE_PHY_NO_MASK		0x1F
140 #define AXE_PHY_NO(x)		((x) & AXE_PHY_NO_MASK)
141 
142 #define AXE_772_PHY_NO_EPHY	0x10	/* Embedded 10/100 PHY of AX88772 */
143 
144 #define	AXE_GPIO0_EN		0x01
145 #define	AXE_GPIO0		0x02
146 #define	AXE_GPIO1_EN		0x04
147 #define	AXE_GPIO1		0x08
148 #define	AXE_GPIO2_EN		0x10
149 #define	AXE_GPIO2		0x20
150 #define	AXE_GPIO_RELOAD_EEPROM	0x80
151 
152 #define	AXE_PHY_MODE_MARVELL		0x00
153 #define	AXE_PHY_MODE_CICADA		0x01
154 #define	AXE_PHY_MODE_AGERE		0x02
155 #define	AXE_PHY_MODE_CICADA_V2		0x05
156 #define	AXE_PHY_MODE_AGERE_GMII		0x06
157 #define	AXE_PHY_MODE_CICADA_V2_ASIX	0x09
158 #define	AXE_PHY_MODE_REALTEK_8211CL	0x0C
159 #define	AXE_PHY_MODE_REALTEK_8211BN	0x0D
160 #define	AXE_PHY_MODE_REALTEK_8251CL	0x0E
161 #define	AXE_PHY_MODE_ATTANSIC		0x40
162 
163 #define AXE_RXCMD_PROMISC			0x0001
164 #define AXE_RXCMD_ALLMULTI			0x0002
165 #define AXE_172_RXCMD_UNICAST			0x0004
166 #define AXE_178_RXCMD_KEEP_INVALID_CRC		0x0004
167 #define AXE_RXCMD_BROADCAST			0x0008
168 #define AXE_RXCMD_MULTICAST			0x0010
169 #define AXE_RXCMD_ENABLE			0x0080
170 #define AXE_178_RXCMD_MFB			0x0300
171 
172 #define AXE_NOPHY				0xE0
173 #define AXE_INTPHY				0x10
174 
175 #define AXE_772B_RXCMD_RH1M	0x0100
176 #define AXE_772B_RXCMD_RH2M	0x0200
177 #define AXE_772B_RXCMD_RH3M	0x0400
178 
179 #define AXE_RH1M_RXLEN_MASK	0x07ff
180 
181 #define AXE_TIMEOUT		1000
182 
183 #define AXE_172_BUFSZ		1536
184 #define AXE_178_MIN_BUFSZ	2048
185 #define AXE_178_MAX_BUFSZ	16384
186 
187 #define AXE_MIN_FRAMELEN	60
188 #define AXE_RX_FRAMES		1
189 #define AXE_TX_FRAMES		1
190 
191 #define AXE_RX_LIST_CNT		1
192 #define AXE_TX_LIST_CNT		1
193 
194 #define AXE_CTL_READ		0x01
195 #define AXE_CTL_WRITE		0x02
196 
197 #define AXE_CONFIG_NO		1
198 #define AXE_IFACE_IDX		0
199 
200 /*
201  * The interrupt endpoint is currently unused
202  * by the ASIX part.
203  */
204 #define AXE_ENDPT_RX		0x0
205 #define AXE_ENDPT_TX		0x1
206 #define AXE_ENDPT_INTR		0x2
207 #define AXE_ENDPT_MAX		0x3
208 
209 struct axe_type {
210 	struct usb_devno	axe_dev;
211 	uint16_t		axe_flags;
212 #define AX178		0x0001		/* AX88178 */
213 #define AX772		0x0002		/* AX88772 */
214 #define AX772B		0x0004		/* AX88772B */
215 #define AXE_ANY_PHY	0x1000		/* Chip lies about valid phys */
216 #define AXE_MII		0x2000		/* Chip-specific MII handling */
217 };
218 
219 struct axe_softc;
220 
221 struct axe_chain {
222 	struct axe_softc	*axe_sc;
223 	struct usbd_xfer	*axe_xfer;
224 	uint8_t			*axe_buf;
225 	int			axe_accum;
226 	int			axe_idx;
227 };
228 
229 struct axe_cdata {
230 	struct axe_chain	axe_tx_chain[AXE_TX_LIST_CNT];
231 	struct axe_chain	axe_rx_chain[AXE_RX_LIST_CNT];
232 	int			axe_tx_prod;
233 	int			axe_tx_cons;
234 	int			axe_tx_cnt;
235 	int			axe_rx_prod;
236 };
237 
238 struct axe_sframe_hdr {
239 	uint16_t		len;
240 	uint16_t		ilen;
241 } __packed;
242 
243 struct axe_softc {
244 	device_t axe_dev;
245 	struct ethercom		axe_ec;
246 	struct mii_data		axe_mii;
247 	krndsource_t	rnd_source;
248 	struct usbd_device *	axe_udev;
249 	struct usbd_interface *	axe_iface;
250 
251 	uint16_t		axe_vendor;
252 	uint16_t		axe_product;
253 	uint16_t		axe_flags;
254 
255 	int			axe_ed[AXE_ENDPT_MAX];
256 	struct usbd_pipe *	axe_ep[AXE_ENDPT_MAX];
257 	int			axe_if_flags;
258 	struct axe_cdata	axe_cdata;
259 	struct callout axe_stat_ch;
260 
261 	int			axe_refcnt;
262 	bool			axe_dying;
263 	bool			axe_attached;
264 
265 	struct usb_task		axe_tick_task;
266 
267 	kmutex_t		axe_mii_lock;
268 
269 	int			axe_link;
270 
271 	uint8_t			axe_ipgs[3];
272 	uint8_t 		axe_phyaddrs[2];
273 	int			axe_phyno;
274 	struct timeval		axe_rx_notice;
275 	int			axe_bufsz;
276 
277 #define sc_if	axe_ec.ec_if
278 };
279 
280 #define ETHER_ALIGN		2
281