xref: /freebsd/sys/dev/usb/net/if_axgereg.h (revision 273c26a3c3bea87a241d6879abd4f991db180bf0)
1 /*-
2  * Copyright (c) 2013-2014 Kevin Lo
3  * 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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #define	AXGE_ACCESS_MAC			0x01
30 #define	AXGE_ACCESS_PHY			0x02
31 #define	AXGE_ACCESS_WAKEUP		0x03
32 #define	AXGE_ACCESS_EEPROM		0x04
33 #define	AXGE_ACCESS_EFUSE		0x05
34 #define	AXGE_RELOAD_EEPROM_EFUSE	0x06
35 #define	AXGE_WRITE_EFUSE_EN		0x09
36 #define	AXGE_WRITE_EFUSE_DIS		0x0A
37 #define	AXGE_ACCESS_MFAB		0x10
38 
39 /* Physical link status register */
40 #define	AXGE_PLSR			0x02
41 #define	PLSR_USB_FS			0x01
42 #define	PLSR_USB_HS			0x02
43 #define	PLSR_USB_SS			0x04
44 
45 /* EEPROM address register */
46 #define	AXGE_EAR			0x07
47 
48 /* EEPROM data low register */
49 #define	AXGE_EDLR			0x08
50 
51 /* EEPROM data high register */
52 #define	AXGE_EDHR			0x09
53 
54 /* EEPROM command register */
55 #define	AXGE_ECR			0x0a
56 
57 /* Rx control register */
58 #define	AXGE_RCR			0x0b
59 #define	RCR_STOP			0x0000
60 #define	RCR_PROMISC			0x0001
61 #define	RCR_ACPT_ALL_MCAST		0x0002
62 #define	RCR_AUTOPAD_BNDRY		0x0004
63 #define	RCR_ACPT_BCAST			0x0008
64 #define	RCR_ACPT_MCAST			0x0010
65 #define	RCR_ACPT_PHY_MCAST		0x0020
66 #define	RCR_START			0x0080
67 #define	RCR_DROP_CRCERR			0x0100
68 #define	RCR_IPE				0x0200
69 #define	RCR_TX_CRC_PAD			0x0400
70 
71 /* Node id register */
72 #define	AXGE_NIDR			0x10
73 
74 /* Multicast filter array */
75 #define	AXGE_MFA			0x16
76 
77 /* Medium status register */
78 #define	AXGE_MSR			0x22
79 #define	MSR_GM				0x0001
80 #define	MSR_FD				0x0002
81 #define	MSR_EN_125MHZ			0x0008
82 #define	MSR_RFC				0x0010
83 #define	MSR_TFC				0x0020
84 #define	MSR_RE				0x0100
85 #define	MSR_PS				0x0200
86 
87 /* Monitor mode status register */
88 #define	AXGE_MMSR			0x24
89 #define	MMSR_RWLC			0x02
90 #define	MMSR_RWMP			0x04
91 #define	MMSR_RWWF			0x08
92 #define	MMSR_RW_FLAG			0x10
93 #define	MMSR_PME_POL			0x20
94 #define	MMSR_PME_TYPE			0x40
95 #define	MMSR_PME_IND			0x80
96 
97 /* GPIO control/status register */
98 #define	AXGE_GPIOCR			0x25
99 
100 /* Ethernet PHY power & reset control register */
101 #define	AXGE_EPPRCR			0x26
102 #define	EPPRCR_BZ			0x0010
103 #define	EPPRCR_IPRL			0x0020
104 #define	EPPRCR_AUTODETACH		0x1000
105 
106 #define	AXGE_RX_BULKIN_QCTRL		0x2e
107 
108 #define	AXGE_CLK_SELECT			0x33
109 #define	AXGE_CLK_SELECT_BCS		0x01
110 #define	AXGE_CLK_SELECT_ACS		0x02
111 #define	AXGE_CLK_SELECT_ACSREQ		0x10
112 #define	AXGE_CLK_SELECT_ULR		0x08
113 
114 /* COE Rx control register */
115 #define	AXGE_CRCR			0x34
116 #define	CRCR_IP				0x01
117 #define	CRCR_TCP			0x02
118 #define	CRCR_UDP			0x04
119 #define	CRCR_ICMP			0x08
120 #define	CRCR_IGMP			0x10
121 #define	CRCR_TCPV6			0x20
122 #define	CRCR_UDPV6			0x40
123 #define	CRCR_ICMPV6			0x80
124 
125 /* COE Tx control register */
126 #define	AXGE_CTCR			0x35
127 #define	CTCR_IP				0x01
128 #define	CTCR_TCP			0x02
129 #define	CTCR_UDP			0x04
130 #define	CTCR_ICMP			0x08
131 #define	CTCR_IGMP			0x10
132 #define	CTCR_TCPV6			0x20
133 #define	CTCR_UDPV6			0x40
134 #define	CTCR_ICMPV6			0x80
135 
136 /* Pause water level high register */
137 #define	AXGE_PWLHR			0x54
138 
139 /* Pause water level low register */
140 #define	AXGE_PWLLR			0x55
141 
142 #define	AXGE_CONFIG_IDX			0	/* config number 1 */
143 #define	AXGE_IFACE_IDX			0
144 
145 #define	GET_MII(sc)		uether_getmii(&(sc)->sc_ue)
146 
147 /* The interrupt endpoint is currently unused by the ASIX part. */
148 enum {
149 	AXGE_BULK_DT_WR,
150 	AXGE_BULK_DT_RD,
151 	AXGE_N_TRANSFER,
152 };
153 
154 #define	AXGE_N_FRAMES	16
155 
156 struct axge_frame_txhdr {
157 	uint32_t		len;
158 #define	AXGE_TXLEN_MASK		0x0001FFFF
159 #define	AXGE_VLAN_INSERT	0x20000000
160 #define	AXGE_CSUM_DISABLE	0x80000000
161 	uint32_t		mss;
162 #define	AXGE_MSS_MASK		0x00003FFF
163 #define	AXGE_PADDING		0x80008000
164 #define	AXGE_VLAN_TAG_MASK	0xFFFF0000
165 } __packed;
166 
167 #define	AXGE_TXBYTES(x)		((x) & AXGE_TXLEN_MASK)
168 
169 #define	AXGE_PHY_ADDR		3
170 
171 struct axge_frame_rxhdr {
172 	uint32_t		status;
173 #define	AXGE_RX_L4_CSUM_ERR	0x00000001
174 #define	AXGE_RX_L3_CSUM_ERR	0x00000002
175 #define	AXGE_RX_L4_TYPE_UDP	0x00000004
176 #define	AXGE_RX_L4_TYPE_ICMP	0x00000008
177 #define	AXGE_RX_L4_TYPE_IGMP	0x0000000C
178 #define	AXGE_RX_L4_TYPE_TCP	0x00000010
179 #define	AXGE_RX_L4_TYPE_MASK	0x0000001C
180 #define	AXGE_RX_L3_TYPE_IPV4	0x00000020
181 #define	AXGE_RX_L3_TYPE_IPV6	0x00000040
182 #define	AXGE_RX_L3_TYPE_MASK	0x00000060
183 #define	AXGE_RX_VLAN_IND_MASK	0x00000700
184 #define	AXGE_RX_GOOD_PKT	0x00000800
185 #define	AXGE_RX_VLAN_PRI_MASK	0x00007000
186 #define	AXGE_RX_MBCAST		0x00008000
187 #define	AXGE_RX_LEN_MASK	0x1FFF0000
188 #define	AXGE_RX_CRC_ERR		0x20000000
189 #define	AXGE_RX_MII_ERR		0x40000000
190 #define	AXGE_RX_DROP_PKT	0x80000000
191 #define	AXGE_RX_LEN_SHIFT	16
192 } __packed;
193 
194 #define	AXGE_RXBYTES(x)		(((x) & AXGE_RX_LEN_MASK) >> AXGE_RX_LEN_SHIFT)
195 #define	AXGE_RX_ERR(x)		\
196 	    ((x) & (AXGE_RX_CRC_ERR | AXGE_RX_MII_ERR | AXGE_RX_DROP_PKT))
197 
198 struct axge_softc {
199 	struct usb_ether	sc_ue;
200 	struct mtx		sc_mtx;
201 	struct usb_xfer		*sc_xfer[AXGE_N_TRANSFER];
202 
203 	int			sc_flags;
204 #define	AXGE_FLAG_LINK		0x0001	/* got a link */
205 };
206 
207 #define	AXGE_LOCK(_sc)			mtx_lock(&(_sc)->sc_mtx)
208 #define	AXGE_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
209 #define	AXGE_LOCK_ASSERT(_sc, t)	mtx_assert(&(_sc)->sc_mtx, t)
210