xref: /netbsd/sys/dev/usb/if_axereg.h (revision cb2779c9)
1 /*	$NetBSD: if_axereg.h,v 1.21 2019/07/14 21:37:09 mrg 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		0x8002
61 #define AXE_172_CMD_WRITE_RX_SRAM		0x0103
62 #define AXE_182_CMD_WRITE_RXTX_SRAM		0x8103
63 #define AXE_172_CMD_WRITE_TX_SRAM		0x0104
64 
65 #define AXE_CMD_MII_OPMODE_SW			0x0106
66 #define AXE_CMD_MII_READ_REG			0x2007
67 #define AXE_CMD_MII_WRITE_REG			0x2108
68 #define AXE_CMD_MII_READ_OPMODE			0x1009
69 #define AXE_CMD_MII_OPMODE_HW			0x010A
70 #define AXE_CMD_SROM_READ			0x200B
71 #define AXE_CMD_SROM_WRITE			0x010C
72 #define AXE_CMD_SROM_WR_ENABLE			0x010D
73 #define AXE_CMD_SROM_WR_DISABLE			0x010E
74 #define AXE_CMD_RXCTL_READ			0x200F
75 #define AXE_CMD_RXCTL_WRITE			0x0110
76 #define AXE_CMD_READ_IPG012			0x3011
77 #define AXE_172_CMD_WRITE_IPG0			0x0112
78 #define AXE_172_CMD_WRITE_IPG1			0x0113
79 #define AXE_172_CMD_WRITE_IPG2			0x0114
80 #define AXE_178_CMD_WRITE_IPG012		0x0112
81 #define AXE_CMD_READ_MCAST			0x8015
82 #define AXE_CMD_WRITE_MCAST			0x8116
83 #define AXE_172_CMD_READ_NODEID			0x6017
84 #define AXE_172_CMD_WRITE_NODEID		0x6118
85 #define AXE_178_CMD_READ_NODEID			0x6013
86 #define AXE_178_CMD_WRITE_NODEID		0x6114
87 #define AXE_CMD_READ_PHYID			0x2019
88 #define AXE_172_CMD_READ_MEDIA			0x101A
89 #define AXE_178_CMD_READ_MEDIA			0x201A
90 #define AXE_CMD_WRITE_MEDIA			0x011B
91 #define AXE_CMD_READ_MONITOR_MODE		0x101C
92 #define AXE_CMD_WRITE_MONITOR_MODE		0x011D
93 #define AXE_CMD_READ_GPIO			0x101E
94 #define AXE_CMD_WRITE_GPIO			0x011F
95 #define AXE_CMD_SW_RESET_REG			0x0120
96 #define AXE_CMD_SW_PHY_STATUS			0x0021
97 #define AXE_CMD_SW_PHY_SELECT			0x0122
98 
99 /* AX88772A and AX88772B only. */
100 #define AXE_CMD_READ_VLAN_CTRL			0x4027
101 #define AXE_CMD_WRITE_VLAN_CTRL			0x4028
102 
103 #define AXE_772B_CMD_RXCTL_WRITE_CFG		0x012A
104 #define AXE_772B_CMD_READ_RXCSUM		0x002B
105 #define AXE_772B_CMD_WRITE_RXCSUM		0x012C
106 #define AXE_772B_CMD_READ_TXCSUM		0x002D
107 #define AXE_772B_CMD_WRITE_TXCSUM		0x012E
108 
109 #define AXE_SW_RESET_CLEAR			0x00
110 #define AXE_SW_RESET_RR				0x01
111 #define AXE_SW_RESET_RT				0x02
112 #define AXE_SW_RESET_PRTE			0x04
113 #define AXE_SW_RESET_PRL			0x08
114 #define AXE_SW_RESET_BZ				0x10
115 #define AXE_SW_RESET_IPRL			0x20
116 #define AXE_SW_RESET_IPPD			0x40
117 
118 /* AX88178 documentation says to always write this bit... */
119 #define AXE_178_RESET_MAGIC			0x40
120 
121 #define AXE_178_MEDIA_GMII			0x0001
122 #define AXE_MEDIA_FULL_DUPLEX			0x0002
123 #define AXE_172_MEDIA_TX_ABORT_ALLOW		0x0004
124 
125 /* AX88178/88772 documentation says to always write 1 to bit 2 */
126 #define AXE_178_MEDIA_MAGIC			0x0004
127 /* AX88772 documentation says to always write 0 to bit 3 */
128 #define AXE_178_MEDIA_ENCK			0x0008
129 #define AXE_172_MEDIA_FLOW_CONTROL_EN		0x0010
130 #define AXE_178_MEDIA_RXFLOW_CONTROL_EN		0x0010
131 #define AXE_178_MEDIA_TXFLOW_CONTROL_EN		0x0020
132 #define AXE_178_MEDIA_JUMBO_EN			0x0040
133 #define AXE_178_MEDIA_LTPF_ONLY			0x0080
134 #define AXE_178_MEDIA_RX_EN			0x0100
135 #define AXE_178_MEDIA_100TX			0x0200
136 #define AXE_178_MEDIA_SBP			0x0800
137 #define AXE_178_MEDIA_SUPERMAC			0x1000
138 
139 #define	AXE_RXCMD_PROMISC			0x0001
140 #define	AXE_RXCMD_ALLMULTI			0x0002
141 #define	AXE_172_RXCMD_UNICAST			0x0004
142 #define	AXE_178_RXCMD_KEEP_INVALID_CRC		0x0004
143 #define	AXE_RXCMD_BROADCAST			0x0008
144 #define	AXE_RXCMD_MULTICAST			0x0010
145 #define	AXE_RXCMD_ACCEPT_RUNT			0x0040	/* AX88772B */
146 #define	AXE_RXCMD_ENABLE			0x0080
147 #define	AXE_178_RXCMD_MFB_MASK			0x0300
148 #define	AXE_178_RXCMD_MFB_2048			0x0000
149 #define	AXE_178_RXCMD_MFB_4096			0x0100
150 #define	AXE_178_RXCMD_MFB_8192			0x0200
151 #define	AXE_178_RXCMD_MFB_16384			0x0300
152 #define	AXE_772B_RXCMD_HDR_TYPE_0		0x0000
153 #define	AXE_772B_RXCMD_HDR_TYPE_1		0x0100
154 #define	AXE_772B_RXCMD_IPHDR_ALIGN		0x0200
155 #define	AXE_772B_RXCMD_ADD_CHKSUM		0x0400
156 #define	AXE_RXCMD_LOOPBACK			0x1000	/* AX88772A/AX88772B */
157 
158 #define AXE_PHY_SEL_PRI		1
159 #define AXE_PHY_SEL_SEC		0
160 #define AXE_PHY_TYPE_MASK	0xE0
161 #define AXE_PHY_TYPE_SHIFT	5
162 #define AXE_PHY_TYPE(x)		\
163 	(((x) & AXE_PHY_TYPE_MASK) >> AXE_PHY_TYPE_SHIFT)
164 
165 #define PHY_TYPE_100_HOME	0	/* 10/100 or 1M HOME PHY */
166 #define PHY_TYPE_GIG		1	/* Gigabit PHY */
167 #define PHY_TYPE_SPECIAL	4	/* Special case */
168 #define PHY_TYPE_RSVD		5	/* Reserved */
169 #define PHY_TYPE_NON_SUP	7	/* Non-supported PHY */
170 
171 #define AXE_PHY_NO_MASK		0x1F
172 #define AXE_PHY_NO(x)		((x) & AXE_PHY_NO_MASK)
173 
174 #define AXE_772_PHY_NO_EPHY	0x10	/* Embedded 10/100 PHY of AX88772 */
175 
176 
177 /* 178, 772, 772A, 172A, 772B */
178 #define AXE_IPG0_DEFAULT	0x15
179 #define AXE_IPG1_DEFAULT	0x0c
180 #define AXE_IPG2_DEFAULT	0x12
181 
182 #define	AXE_GPIO0_EN		0x01
183 #define	AXE_GPIO0		0x02
184 #define	AXE_GPIO1_EN		0x04
185 #define	AXE_GPIO1		0x08
186 #define	AXE_GPIO2_EN		0x10
187 #define	AXE_GPIO2		0x20
188 #define	AXE_GPIO_RELOAD_EEPROM	0x80
189 
190 #define	AXE_PHY_MODE_MARVELL		0x00
191 #define	AXE_PHY_MODE_CICADA		0x01
192 #define	AXE_PHY_MODE_AGERE		0x02
193 #define	AXE_PHY_MODE_CICADA_V2		0x05
194 #define	AXE_PHY_MODE_AGERE_GMII		0x06
195 #define	AXE_PHY_MODE_CICADA_V2_ASIX	0x09
196 #define	AXE_PHY_MODE_REALTEK_8211CL	0x0C
197 #define	AXE_PHY_MODE_REALTEK_8211BN	0x0D
198 #define	AXE_PHY_MODE_REALTEK_8251CL	0x0E
199 #define	AXE_PHY_MODE_ATTANSIC		0x40
200 
201 /* AX88772A/AX88772B only. */
202 #define	AXE_SW_PHY_SELECT_EXT		0x0000
203 #define	AXE_SW_PHY_SELECT_EMBEDDED	0x0001
204 #define	AXE_SW_PHY_SELECT_AUTO		0x0002
205 #define	AXE_SW_PHY_SELECT_SS_MII	0x0004
206 #define	AXE_SW_PHY_SELECT_SS_RVRS_MII	0x0008
207 #define	AXE_SW_PHY_SELECT_SS_RVRS_RMII	0x000C
208 #define	AXE_SW_PHY_SELECT_SS_ENB	0x0010
209 
210 #define	AXE_SW_RESET_CLEAR		0x00
211 #define	AXE_SW_RESET_RR			0x01
212 #define	AXE_SW_RESET_RT			0x02
213 #define	AXE_SW_RESET_PRTE		0x04	/* not 772b */
214 #define	AXE_SW_RESET_PRL		0x08	/* not 772b */
215 #define	AXE_SW_RESET_BZ			0x10
216 #define	AXE_SW_RESET_IPRL		0x20
217 #define	AXE_SW_RESET_IPPD		0x40
218 #define	AXE_SW_RESET_IPOSC		__BIT(7)
219 /* 772B only */
220 #define	AXE_SW_RESET_IPPSL_MASK		__BITS(9,8)
221 #define	 AXE_SW_RESET_IPPSL_0		0
222 #define	 AXE_SW_RESET_IPPSL_1		1
223 #define	AXE_SW_RESET_IPCOPS		__BIT(10)
224 #define	AXE_SW_RESET_IPCOPSC		__BIT(11)
225 #define	AXE_SW_RESET_AD			__BIT(12)
226 #define	AXE_SW_RESET_IPFPS		__BIT(13)
227 #define	AXE_SW_RESET_WOLLP		__BIT(14)
228 
229 /* AX88772A/AX88772B VLAN control. */
230 #define	AXE_VLAN_CTRL_ENB		0x00001000
231 #define	AXE_VLAN_CTRL_STRIP		0x00002000
232 #define	AXE_VLAN_CTRL_VID1_MASK		0x00000FFF
233 #define	AXE_VLAN_CTRL_VID2_MASK		0x0FFF0000
234 
235 #define	AXE_RXCSUM_IP			0x0001
236 #define	AXE_RXCSUM_IPVE			0x0002
237 #define	AXE_RXCSUM_IPV6E		0x0004
238 #define	AXE_RXCSUM_TCP			0x0008
239 #define	AXE_RXCSUM_UDP			0x0010
240 #define	AXE_RXCSUM_ICMP			0x0020
241 #define	AXE_RXCSUM_IGMP			0x0040
242 #define	AXE_RXCSUM_ICMP6		0x0080
243 #define	AXE_RXCSUM_TCPV6		0x0100
244 #define	AXE_RXCSUM_UDPV6		0x0200
245 #define	AXE_RXCSUM_ICMPV6		0x0400
246 #define	AXE_RXCSUM_IGMPV6		0x0800
247 #define	AXE_RXCSUM_ICMP6V6		0x1000
248 #define	AXE_RXCSUM_FOPC			0x8000
249 
250 #define	AXE_RXCSUM_64TE			0x0100
251 #define	AXE_RXCSUM_PPPOE		0x0200
252 #define	AXE_RXCSUM_RPCE			0x8000
253 
254 #define	AXE_TXCSUM_IP			0x0001
255 #define	AXE_TXCSUM_TCP			0x0002
256 #define	AXE_TXCSUM_UDP			0x0004
257 #define	AXE_TXCSUM_ICMP			0x0008
258 #define	AXE_TXCSUM_IGMP			0x0010
259 #define	AXE_TXCSUM_ICMP6		0x0020
260 #define	AXE_TXCSUM_TCPV6		0x0100
261 #define	AXE_TXCSUM_UDPV6		0x0200
262 #define	AXE_TXCSUM_ICMPV6		0x0400
263 #define	AXE_TXCSUM_IGMPV6		0x0800
264 #define	AXE_TXCSUM_ICMP6V6		0x1000
265 
266 #define	AXE_TXCSUM_64TE			0x0001
267 #define	AXE_TXCSUM_PPPOE		0x0002
268 
269 #define AXE_NOPHY			0xE0
270 #define AXE_INTPHY			0x10
271 
272 #define AXE_RH1M_RXLEN_MASK	0x07ff
273 
274 #define AXE_TIMEOUT		1000
275 
276 #define AXE_172_BUFSZ		1536
277 #define AXE_178_MIN_BUFSZ	2048
278 #define AXE_178_MAX_BUFSZ	16384
279 
280 #define AXE_MIN_FRAMELEN	60
281 #define AXE_RX_FRAMES		1
282 #define AXE_TX_FRAMES		1
283 
284 #define AXE_RX_LIST_CNT		1
285 #define AXE_TX_LIST_CNT		1
286 
287 #define AXE_CTL_READ		0x01
288 #define AXE_CTL_WRITE		0x02
289 
290 #define AXE_CONFIG_NO		1
291 #define AXE_IFACE_IDX		0
292 
293 /* EEPROM Map. */
294 #define	AXE_EEPROM_772B_NODE_ID		0x04
295 #define	AXE_EEPROM_772B_PHY_PWRCFG	0x18
296 
297 struct ax88772b_mfb {
298 	int	byte_cnt;
299 	int	threshold;
300 	int	size;
301 };
302 #define	AX88772B_MFB_2K		0
303 #define	AX88772B_MFB_4K		1
304 #define	AX88772B_MFB_6K		2
305 #define	AX88772B_MFB_8K		3
306 #define	AX88772B_MFB_16K	4
307 #define	AX88772B_MFB_20K	5
308 #define	AX88772B_MFB_24K	6
309 #define	AX88772B_MFB_32K	7
310 
311 struct axe_sframe_hdr {
312 	uint16_t len;
313 #define	AXE_HDR_LEN_MASK	0xFFFF
314 	uint16_t ilen;
315 } __packed;
316 
317 #define	AXE_TX_CSUM_PSEUDO_HDR	0x4000
318 #define	AXE_TX_CSUM_DIS		0x8000
319 
320 /*
321  * When RX checksum offloading is enabled, AX88772B uses new RX header
322  * format and it's not compatible with previous RX header format.  In
323  * addition, IP header align option should be enabled to get correct
324  * frame size including RX header.  Total transferred size including
325  * the RX header is multiple of 4 and controller will pad necessary
326  * bytes if the length is not multiple of 4.
327  * This driver does not enable partial checksum feature which will
328  * compute 16bit checksum from 14th byte to the end of the frame.  If
329  * this feature is enabled, computed checksum value is embedded into
330  * RX header which in turn means it uses different RX header format.
331  */
332 struct axe_csum_hdr {
333 	uint16_t len;
334 #define	AXE_CSUM_HDR_LEN_MASK		0x07FF
335 #define	AXE_CSUM_HDR_CRC_ERR		0x1000
336 #define	AXE_CSUM_HDR_MII_ERR		0x2000
337 #define	AXE_CSUM_HDR_RUNT		0x4000
338 #define	AXE_CSUM_HDR_BMCAST		0x8000
339 	uint16_t ilen;
340 	uint16_t cstatus;
341 #define	AXE_CSUM_HDR_VLAN_MASK		0x0007
342 #define	AXE_CSUM_HDR_VLAN_STRIP		0x0008
343 #define	AXE_CSUM_HDR_VLAN_PRI_MASK	0x0070
344 #define	AXE_CSUM_HDR_L4_CSUM_ERR	0x0100
345 #define	AXE_CSUM_HDR_L3_CSUM_ERR	0x0200
346 #define	AXE_CSUM_HDR_L4_TYPE_UDP	0x0400
347 #define	AXE_CSUM_HDR_L4_TYPE_ICMP	0x0800
348 #define	AXE_CSUM_HDR_L4_TYPE_IGMP	0x0C00
349 #define	AXE_CSUM_HDR_L4_TYPE_TCP	0x1000
350 #define	AXE_CSUM_HDR_L4_TYPE_TCPV6	0x1400
351 #define	AXE_CSUM_HDR_L4_TYPE_MASK	0x1C00
352 #define	AXE_CSUM_HDR_L3_TYPE_IPV4	0x2000
353 #define	AXE_CSUM_HDR_L3_TYPE_IPV6	0x4000
354 
355 #ifdef AXE_APPEND_PARTIAL_CSUM
356 	/*
357 	 * These members present only when partial checksum
358 	 * offloading is enabled.  The checksum value is simple
359 	 * 16bit sum of received frame starting at offset 14 of
360 	 * the frame to the end of the frame excluding FCS bytes.
361 	 */
362 	uint16_t csum_value;
363 	uint16_t dummy;
364 #endif
365 } __packed;
366 
367 #define	AXE_CSUM_RXBYTES(x)	((x) & AXE_CSUM_HDR_LEN_MASK)
368 
369 /*
370  * The interrupt and CBW endpoints are currently unused by tthe driver.
371  */
372 #define AXE_ENDPT_CTRL		0x0
373 #define AXE_ENDPT_INTR		0x1
374 #define AXE_ENDPT_RX		0x2
375 #define AXE_ENDPT_TX		0x3
376 #define AXx72A_ENDPT_RXCBW	0x4	/* AX88172A, and AX88772A */
377 #define AXx72A_ENDPT_TXCBW	0x5	/* AX88172A, and AX88772A */
378 #define AX772B_ENDPT_BOTM	0x5	/* AX88772B */
379 #define AXE_ENDPT_MAX		0x6
380