xref: /freebsd/sys/dev/usb/net/if_axereg.h (revision fed1ca4b719c56c930f2259d80663cd34be812bb)
1 /*-
2  * Copyright (c) 1997, 1998, 1999, 2000-2003
3  *	Bill Paul <wpaul@windriver.com>.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by Bill Paul.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  */
34 
35 /*
36  * Definitions for the ASIX Electronics AX88172, AX88178
37  * and AX88772 to ethernet controllers.
38  */
39 
40 /*
41  * Vendor specific commands.  ASIX conveniently doesn't document the 'set
42  * NODEID' command in their datasheet (thanks a lot guys).
43  * To make handling these commands easier, I added some extra data which is
44  * decided by the axe_cmd() routine. Commands are encoded in 16 bits, with
45  * the format: LDCC. L and D are both nibbles in the high byte.  L represents
46  * the data length (0 to 15) and D represents the direction (0 for vendor read,
47  * 1 for vendor write).  CC is the command byte, as specified in the manual.
48  */
49 
50 #define	AXE_CMD_IS_WRITE(x)	(((x) & 0x0F00) >> 8)
51 #define	AXE_CMD_LEN(x)		(((x) & 0xF000) >> 12)
52 #define	AXE_CMD_CMD(x)		((x) & 0x00FF)
53 
54 #define	AXE_172_CMD_READ_RXTX_SRAM		0x2002
55 #define	AXE_182_CMD_READ_RXTX_SRAM		0x8002
56 #define	AXE_172_CMD_WRITE_RX_SRAM		0x0103
57 #define	AXE_182_CMD_WRITE_RXTX_SRAM		0x8103
58 #define	AXE_172_CMD_WRITE_TX_SRAM		0x0104
59 #define	AXE_CMD_MII_OPMODE_SW			0x0106
60 #define	AXE_CMD_MII_READ_REG			0x2007
61 #define	AXE_CMD_MII_WRITE_REG			0x2108
62 #define	AXE_CMD_MII_READ_OPMODE			0x1009
63 #define	AXE_CMD_MII_OPMODE_HW			0x010A
64 #define	AXE_CMD_SROM_READ			0x200B
65 #define	AXE_CMD_SROM_WRITE			0x010C
66 #define	AXE_CMD_SROM_WR_ENABLE			0x010D
67 #define	AXE_CMD_SROM_WR_DISABLE			0x010E
68 #define	AXE_CMD_RXCTL_READ			0x200F
69 #define	AXE_CMD_RXCTL_WRITE			0x0110
70 #define	AXE_CMD_READ_IPG012			0x3011
71 #define	AXE_172_CMD_WRITE_IPG0			0x0112
72 #define	AXE_178_CMD_WRITE_IPG012		0x0112
73 #define	AXE_172_CMD_WRITE_IPG1			0x0113
74 #define	AXE_178_CMD_READ_NODEID			0x6013
75 #define	AXE_172_CMD_WRITE_IPG2			0x0114
76 #define	AXE_178_CMD_WRITE_NODEID		0x6114
77 #define	AXE_CMD_READ_MCAST			0x8015
78 #define	AXE_CMD_WRITE_MCAST			0x8116
79 #define	AXE_172_CMD_READ_NODEID			0x6017
80 #define	AXE_172_CMD_WRITE_NODEID		0x6118
81 
82 #define	AXE_CMD_READ_PHYID			0x2019
83 #define	AXE_172_CMD_READ_MEDIA			0x101A
84 #define	AXE_178_CMD_READ_MEDIA			0x201A
85 #define	AXE_CMD_WRITE_MEDIA			0x011B
86 #define	AXE_CMD_READ_MONITOR_MODE		0x101C
87 #define	AXE_CMD_WRITE_MONITOR_MODE		0x011D
88 #define	AXE_CMD_READ_GPIO			0x101E
89 #define	AXE_CMD_WRITE_GPIO			0x011F
90 
91 #define	AXE_CMD_SW_RESET_REG			0x0120
92 #define	AXE_CMD_SW_PHY_STATUS			0x0021
93 #define	AXE_CMD_SW_PHY_SELECT			0x0122
94 
95 /* AX88772A and AX88772B only. */
96 #define	AXE_CMD_READ_VLAN_CTRL			0x4027
97 #define	AXE_CMD_WRITE_VLAN_CTRL			0x4028
98 
99 #define	AXE_772B_CMD_RXCTL_WRITE_CFG		0x012A
100 #define	AXE_772B_CMD_READ_RXCSUM		0x002B
101 #define	AXE_772B_CMD_WRITE_RXCSUM		0x012C
102 #define	AXE_772B_CMD_READ_TXCSUM		0x002D
103 #define	AXE_772B_CMD_WRITE_TXCSUM		0x012E
104 
105 #define	AXE_SW_RESET_CLEAR			0x00
106 #define	AXE_SW_RESET_RR				0x01
107 #define	AXE_SW_RESET_RT				0x02
108 #define	AXE_SW_RESET_PRTE			0x04
109 #define	AXE_SW_RESET_PRL			0x08
110 #define	AXE_SW_RESET_BZ				0x10
111 #define	AXE_SW_RESET_IPRL			0x20
112 #define	AXE_SW_RESET_IPPD			0x40
113 
114 /* AX88178 documentation says to always write this bit... */
115 #define	AXE_178_RESET_MAGIC			0x40
116 
117 #define	AXE_178_MEDIA_GMII			0x0001
118 #define	AXE_MEDIA_FULL_DUPLEX			0x0002
119 #define	AXE_172_MEDIA_TX_ABORT_ALLOW		0x0004
120 
121 /* AX88178/88772 documentation says to always write 1 to bit 2 */
122 #define	AXE_178_MEDIA_MAGIC			0x0004
123 /* AX88772 documentation says to always write 0 to bit 3 */
124 #define	AXE_178_MEDIA_ENCK			0x0008
125 #define	AXE_172_MEDIA_FLOW_CONTROL_EN		0x0010
126 #define	AXE_178_MEDIA_RXFLOW_CONTROL_EN		0x0010
127 #define	AXE_178_MEDIA_TXFLOW_CONTROL_EN		0x0020
128 #define	AXE_178_MEDIA_JUMBO_EN			0x0040
129 #define	AXE_178_MEDIA_LTPF_ONLY			0x0080
130 #define	AXE_178_MEDIA_RX_EN			0x0100
131 #define	AXE_178_MEDIA_100TX			0x0200
132 #define	AXE_178_MEDIA_SBP			0x0800
133 #define	AXE_178_MEDIA_SUPERMAC			0x1000
134 
135 #define	AXE_RXCMD_PROMISC			0x0001
136 #define	AXE_RXCMD_ALLMULTI			0x0002
137 #define	AXE_172_RXCMD_UNICAST			0x0004
138 #define	AXE_178_RXCMD_KEEP_INVALID_CRC		0x0004
139 #define	AXE_RXCMD_BROADCAST			0x0008
140 #define	AXE_RXCMD_MULTICAST			0x0010
141 #define	AXE_RXCMD_ACCEPT_RUNT			0x0040	/* AX88772B */
142 #define	AXE_RXCMD_ENABLE			0x0080
143 #define	AXE_178_RXCMD_MFB_MASK			0x0300
144 #define	AXE_178_RXCMD_MFB_2048			0x0000
145 #define	AXE_178_RXCMD_MFB_4096			0x0100
146 #define	AXE_178_RXCMD_MFB_8192			0x0200
147 #define	AXE_178_RXCMD_MFB_16384			0x0300
148 #define	AXE_772B_RXCMD_HDR_TYPE_0		0x0000
149 #define	AXE_772B_RXCMD_HDR_TYPE_1		0x0100
150 #define	AXE_772B_RXCMD_IPHDR_ALIGN		0x0200
151 #define	AXE_772B_RXCMD_ADD_CHKSUM		0x0400
152 #define	AXE_RXCMD_LOOPBACK			0x1000	/* AX88772A/AX88772B */
153 
154 #define	AXE_PHY_SEL_PRI		1
155 #define	AXE_PHY_SEL_SEC		0
156 #define	AXE_PHY_TYPE_MASK	0xE0
157 #define	AXE_PHY_TYPE_SHIFT	5
158 #define	AXE_PHY_TYPE(x)		\
159 	(((x) & AXE_PHY_TYPE_MASK) >> AXE_PHY_TYPE_SHIFT)
160 
161 #define	PHY_TYPE_100_HOME	0	/* 10/100 or 1M HOME PHY */
162 #define	PHY_TYPE_GIG		1	/* Gigabit PHY */
163 #define	PHY_TYPE_SPECIAL	4	/* Special case */
164 #define	PHY_TYPE_RSVD		5	/* Reserved */
165 #define	PHY_TYPE_NON_SUP	7	/* Non-supported PHY */
166 
167 #define	AXE_PHY_NO_MASK		0x1F
168 #define	AXE_PHY_NO(x)		((x) & AXE_PHY_NO_MASK)
169 
170 #define	AXE_772_PHY_NO_EPHY	0x10	/* Embedded 10/100 PHY of AX88772 */
171 
172 #define	AXE_GPIO0_EN		0x01
173 #define	AXE_GPIO0		0x02
174 #define	AXE_GPIO1_EN		0x04
175 #define	AXE_GPIO1		0x08
176 #define	AXE_GPIO2_EN		0x10
177 #define	AXE_GPIO2		0x20
178 #define	AXE_GPIO_RELOAD_EEPROM	0x80
179 
180 #define	AXE_PHY_MODE_MARVELL		0x00
181 #define	AXE_PHY_MODE_CICADA		0x01
182 #define	AXE_PHY_MODE_AGERE		0x02
183 #define	AXE_PHY_MODE_CICADA_V2		0x05
184 #define	AXE_PHY_MODE_AGERE_GMII		0x06
185 #define	AXE_PHY_MODE_CICADA_V2_ASIX	0x09
186 #define	AXE_PHY_MODE_REALTEK_8211CL	0x0C
187 #define	AXE_PHY_MODE_REALTEK_8211BN	0x0D
188 #define	AXE_PHY_MODE_REALTEK_8251CL	0x0E
189 #define	AXE_PHY_MODE_ATTANSIC		0x40
190 
191 /* AX88772A/AX88772B only. */
192 #define	AXE_SW_PHY_SELECT_EXT		0x0000
193 #define	AXE_SW_PHY_SELECT_EMBEDDED	0x0001
194 #define	AXE_SW_PHY_SELECT_AUTO		0x0002
195 #define	AXE_SW_PHY_SELECT_SS_MII	0x0004
196 #define	AXE_SW_PHY_SELECT_SS_RVRS_MII	0x0008
197 #define	AXE_SW_PHY_SELECT_SS_RVRS_RMII	0x000C
198 #define	AXE_SW_PHY_SELECT_SS_ENB	0x0010
199 
200 /* AX88772A/AX88772B VLAN control. */
201 #define	AXE_VLAN_CTRL_ENB		0x00001000
202 #define	AXE_VLAN_CTRL_STRIP		0x00002000
203 #define	AXE_VLAN_CTRL_VID1_MASK		0x00000FFF
204 #define	AXE_VLAN_CTRL_VID2_MASK		0x0FFF0000
205 
206 #define	AXE_RXCSUM_IP			0x0001
207 #define	AXE_RXCSUM_IPVE			0x0002
208 #define	AXE_RXCSUM_IPV6E		0x0004
209 #define	AXE_RXCSUM_TCP			0x0008
210 #define	AXE_RXCSUM_UDP			0x0010
211 #define	AXE_RXCSUM_ICMP			0x0020
212 #define	AXE_RXCSUM_IGMP			0x0040
213 #define	AXE_RXCSUM_ICMP6		0x0080
214 #define	AXE_RXCSUM_TCPV6		0x0100
215 #define	AXE_RXCSUM_UDPV6		0x0200
216 #define	AXE_RXCSUM_ICMPV6		0x0400
217 #define	AXE_RXCSUM_IGMPV6		0x0800
218 #define	AXE_RXCSUM_ICMP6V6		0x1000
219 #define	AXE_RXCSUM_FOPC			0x8000
220 
221 #define	AXE_RXCSUM_64TE			0x0100
222 #define	AXE_RXCSUM_PPPOE		0x0200
223 #define	AXE_RXCSUM_RPCE			0x8000
224 
225 #define	AXE_TXCSUM_IP			0x0001
226 #define	AXE_TXCSUM_TCP			0x0002
227 #define	AXE_TXCSUM_UDP			0x0004
228 #define	AXE_TXCSUM_ICMP			0x0008
229 #define	AXE_TXCSUM_IGMP			0x0010
230 #define	AXE_TXCSUM_ICMP6		0x0020
231 #define	AXE_TXCSUM_TCPV6		0x0100
232 #define	AXE_TXCSUM_UDPV6		0x0200
233 #define	AXE_TXCSUM_ICMPV6		0x0400
234 #define	AXE_TXCSUM_IGMPV6		0x0800
235 #define	AXE_TXCSUM_ICMP6V6		0x1000
236 
237 #define	AXE_TXCSUM_64TE			0x0001
238 #define	AXE_TXCSUM_PPPOE		0x0002
239 
240 #define	AXE_BULK_BUF_SIZE	16384	/* bytes */
241 
242 #define	AXE_CTL_READ		0x01
243 #define	AXE_CTL_WRITE		0x02
244 
245 #define	AXE_CONFIG_IDX		0	/* config number 1 */
246 #define	AXE_IFACE_IDX		0
247 
248 /* EEPROM Map. */
249 #define	AXE_EEPROM_772B_NODE_ID		0x04
250 #define	AXE_EEPROM_772B_PHY_PWRCFG	0x18
251 
252 struct ax88772b_mfb {
253 	int	byte_cnt;
254 	int	threshold;
255 	int	size;
256 };
257 #define	AX88772B_MFB_2K		0
258 #define	AX88772B_MFB_4K		1
259 #define	AX88772B_MFB_6K		2
260 #define	AX88772B_MFB_8K		3
261 #define	AX88772B_MFB_16K	4
262 #define	AX88772B_MFB_20K	5
263 #define	AX88772B_MFB_24K	6
264 #define	AX88772B_MFB_32K	7
265 
266 struct axe_sframe_hdr {
267 	uint16_t len;
268 #define	AXE_HDR_LEN_MASK	0xFFFF
269 	uint16_t ilen;
270 } __packed;
271 
272 #define	AXE_TX_CSUM_PSEUDO_HDR	0x4000
273 #define	AXE_TX_CSUM_DIS		0x8000
274 
275 /*
276  * When RX checksum offloading is enabled, AX88772B uses new RX header
277  * format and it's not compatible with previous RX header format.  In
278  * addition, IP header align option should be enabled to get correct
279  * frame size including RX header.  Total transferred size including
280  * the RX header is multiple of 4 and controller will pad necessary
281  * bytes if the length is not multiple of 4.
282  * This driver does not enable partial checksum feature which will
283  * compute 16bit checksum from 14th byte to the end of the frame.  If
284  * this feature is enabled, computed checksum value is embedded into
285  * RX header which in turn means it uses different RX header format.
286  */
287 struct axe_csum_hdr {
288 	uint16_t len;
289 #define	AXE_CSUM_HDR_LEN_MASK		0x07FF
290 #define	AXE_CSUM_HDR_CRC_ERR		0x1000
291 #define	AXE_CSUM_HDR_MII_ERR		0x2000
292 #define	AXE_CSUM_HDR_RUNT		0x4000
293 #define	AXE_CSUM_HDR_BMCAST		0x8000
294 	uint16_t ilen;
295 	uint16_t cstatus;
296 #define	AXE_CSUM_HDR_VLAN_MASK		0x0007
297 #define	AXE_CSUM_HDR_VLAN_STRIP		0x0008
298 #define	AXE_CSUM_HDR_VLAN_PRI_MASK	0x0070
299 #define	AXE_CSUM_HDR_L4_CSUM_ERR	0x0100
300 #define	AXE_CSUM_HDR_L3_CSUM_ERR	0x0200
301 #define	AXE_CSUM_HDR_L4_TYPE_UDP	0x0400
302 #define	AXE_CSUM_HDR_L4_TYPE_ICMP	0x0800
303 #define	AXE_CSUM_HDR_L4_TYPE_IGMP	0x0C00
304 #define	AXE_CSUM_HDR_L4_TYPE_TCP	0x1000
305 #define	AXE_CSUM_HDR_L4_TYPE_TCPV6	0x1400
306 #define	AXE_CSUM_HDR_L4_TYPE_MASK	0x1C00
307 #define	AXE_CSUM_HDR_L3_TYPE_IPV4	0x2000
308 #define	AXE_CSUM_HDR_L3_TYPE_IPV6	0x4000
309 
310 #ifdef AXE_APPEND_PARTIAL_CSUM
311 	/*
312 	 * These members present only when partial checksum
313 	 * offloading is enabled.  The checksum value is simple
314 	 * 16bit sum of received frame starting at offset 14 of
315 	 * the frame to the end of the frame excluding FCS bytes.
316 	 */
317 	uint16_t csum_value;
318 	uint16_t dummy;
319 #endif
320 } __packed;
321 
322 #define	AXE_CSUM_RXBYTES(x)	((x) & AXE_CSUM_HDR_LEN_MASK)
323 
324 #define	GET_MII(sc)		uether_getmii(&(sc)->sc_ue)
325 
326 /* The interrupt endpoint is currently unused by the ASIX part. */
327 enum {
328 	AXE_BULK_DT_WR,
329 	AXE_BULK_DT_RD,
330 	AXE_N_TRANSFER,
331 };
332 
333 struct axe_softc {
334 	struct usb_ether	sc_ue;
335 	struct mtx		sc_mtx;
336 	struct usb_xfer	*sc_xfer[AXE_N_TRANSFER];
337 	int			sc_phyno;
338 
339 	int			sc_flags;
340 #define	AXE_FLAG_LINK		0x0001
341 #define	AXE_FLAG_STD_FRAME	0x0010
342 #define	AXE_FLAG_CSUM_FRAME	0x0020
343 #define	AXE_FLAG_772		0x1000	/* AX88772 */
344 #define	AXE_FLAG_772A		0x2000	/* AX88772A */
345 #define	AXE_FLAG_772B		0x4000	/* AX88772B */
346 #define	AXE_FLAG_178		0x8000	/* AX88178 */
347 
348 	uint8_t			sc_ipgs[3];
349 	uint8_t			sc_phyaddrs[2];
350 	uint16_t		sc_pwrcfg;
351 	uint16_t		sc_lenmask;
352 };
353 
354 #define	AXE_IS_178_FAMILY(sc)						  \
355 	((sc)->sc_flags & (AXE_FLAG_772 | AXE_FLAG_772A | AXE_FLAG_772B | \
356 	AXE_FLAG_178))
357 
358 #define	AXE_IS_772(sc)							  \
359 	((sc)->sc_flags & (AXE_FLAG_772 | AXE_FLAG_772A | AXE_FLAG_772B))
360 
361 #define	AXE_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
362 #define	AXE_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
363 #define	AXE_LOCK_ASSERT(_sc, t)	mtx_assert(&(_sc)->sc_mtx, t)
364