1 /* $NetBSD: rtl81x9var.h,v 1.11.2.2 2004/06/21 17:12:38 tron Exp $ */
2
3 /*
4 * Copyright (c) 1997, 1998
5 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Id: if_rlreg.h,v 1.9 1999/06/20 18:56:09 wpaul Exp
35 */
36
37 #define RTK_ETHER_ALIGN 2
38 #define RTK_RXSTAT_LEN 4
39
40 struct rtk_type {
41 u_int16_t rtk_vid;
42 u_int16_t rtk_did;
43 int rtk_basetype;
44 const char *rtk_name;
45 };
46
47 struct rtk_hwrev {
48 uint32_t rtk_rev;
49 int rtk_type;
50 char *rtk_desc;
51 };
52
53 struct rtk_mii_frame {
54 u_int8_t mii_stdelim;
55 u_int8_t mii_opcode;
56 u_int8_t mii_phyaddr;
57 u_int8_t mii_regaddr;
58 u_int8_t mii_turnaround;
59 u_int16_t mii_data;
60 };
61
62 /*
63 * MII constants
64 */
65 #define RTK_MII_STARTDELIM 0x01
66 #define RTK_MII_READOP 0x02
67 #define RTK_MII_WRITEOP 0x01
68 #define RTK_MII_TURNAROUND 0x02
69
70 #define RTK_8129 1
71 #define RTK_8139 2
72 #define RTK_8139CPLUS 3
73 #define RTK_8169 4
74
75 #define RTK_ISCPLUS(x) ((x)->rtk_type == RTK_8139CPLUS || \
76 (x)->rtk_type == RTK_8169)
77
78 /*
79 * The 8139C+ and 8160 gigE chips support descriptor-based TX
80 * and RX. In fact, they even support TCP large send. Descriptors
81 * must be allocated in contiguous blocks that are aligned on a
82 * 256-byte boundary. The rings can hold a maximum of 64 descriptors.
83 */
84
85 struct rtk_list_data {
86 struct mbuf *rtk_tx_mbuf[RTK_TX_DESC_CNT];
87 struct mbuf *rtk_rx_mbuf[RTK_RX_DESC_CNT];
88 int rtk_tx_prodidx;
89 int rtk_rx_prodidx;
90 int rtk_tx_considx;
91 int rtk_tx_free;
92 bus_dmamap_t rtk_tx_dmamap[RTK_TX_DESC_CNT];
93 bus_dmamap_t rtk_rx_dmamap[RTK_RX_DESC_CNT];
94 bus_dmamap_t rtk_rx_list_map;
95 struct rtk_desc *rtk_rx_list;
96 bus_dma_segment_t rtk_rx_listseg;
97 bus_dmamap_t rtk_tx_list_map;
98 struct rtk_desc *rtk_tx_list;
99 bus_dma_segment_t rtk_tx_listseg;
100 };
101 struct rtk_tx_desc {
102 SIMPLEQ_ENTRY(rtk_tx_desc) txd_q;
103 struct mbuf *txd_mbuf;
104 bus_dmamap_t txd_dmamap;
105 bus_addr_t txd_txaddr;
106 bus_addr_t txd_txstat;
107 };
108
109 struct rtk_softc {
110 struct device sc_dev; /* generic device structures */
111 struct ethercom ethercom; /* interface info */
112 struct mii_data mii;
113 struct callout rtk_tick_ch; /* tick callout */
114 bus_space_handle_t rtk_bhandle; /* bus space handle */
115 bus_space_tag_t rtk_btag; /* bus space tag */
116 int rtk_type;
117 bus_dma_tag_t sc_dmat;
118 bus_dma_segment_t sc_dmaseg;
119 int sc_dmanseg;
120
121 bus_dmamap_t recv_dmamap;
122 caddr_t rtk_rx_buf;
123
124 struct rtk_tx_desc rtk_tx_descs[RTK_TX_LIST_CNT];
125 SIMPLEQ_HEAD(, rtk_tx_desc) rtk_tx_free;
126 SIMPLEQ_HEAD(, rtk_tx_desc) rtk_tx_dirty;
127 struct rtk_list_data rtk_ldata;
128 struct mbuf *rtk_head;
129 struct mbuf *rtk_tail;
130 u_int32_t rtk_rxlenmask;
131 int rtk_testmode;
132
133 int sc_flags; /* misc flags */
134 int sc_txthresh; /* Early tx threshold */
135
136 void *sc_sdhook; /* shutdown hook */
137 void *sc_powerhook; /* power management hook */
138
139 /* Power management hooks. */
140 int (*sc_enable) __P((struct rtk_softc *));
141 void (*sc_disable) __P((struct rtk_softc *));
142 void (*sc_power) __P((struct rtk_softc *, int));
143 };
144
145 #define RTK_ATTACHED 0x00000001 /* attach has succeeded */
146 #define RTK_ENABLED 0x00000002 /* chip is enabled */
147
148 #define RTK_IS_ENABLED(sc) ((sc)->sc_flags & RTK_ENABLED)
149 #define RTK_TX_THRESH(sc) (((sc)->sc_txthresh << 16) & 0x003F0000)
150
151 #define TXTH_256 8
152 #define TXTH_MAX 48
153
154 /*
155 * register space access macros
156 */
157 #define CSR_WRITE_4(sc, reg, val) \
158 bus_space_write_4(sc->rtk_btag, sc->rtk_bhandle, reg, val)
159 #define CSR_WRITE_2(sc, reg, val) \
160 bus_space_write_2(sc->rtk_btag, sc->rtk_bhandle, reg, val)
161 #define CSR_WRITE_1(sc, reg, val) \
162 bus_space_write_1(sc->rtk_btag, sc->rtk_bhandle, reg, val)
163 #define CSR_WRITE_STREAM_4(sc, reg, val) \
164 bus_space_write_stream_4(sc->rtk_btag, sc->rtk_bhandle, reg, val)
165
166
167 #define CSR_READ_4(sc, reg) \
168 bus_space_read_4(sc->rtk_btag, sc->rtk_bhandle, reg)
169 #define CSR_READ_2(sc, reg) \
170 bus_space_read_2(sc->rtk_btag, sc->rtk_bhandle, reg)
171 #define CSR_READ_1(sc, reg) \
172 bus_space_read_1(sc->rtk_btag, sc->rtk_bhandle, reg)
173
174 #define RTK_TIMEOUT 1000
175
176 /*
177 * PCI low memory base and low I/O base register, and
178 * other PCI registers.
179 */
180
181 #define RTK_PCI_LOIO 0x10
182 #define RTK_PCI_LOMEM 0x14
183
184 #define RTK_PSTATE_MASK 0x0003
185 #define RTK_PSTATE_D0 0x0000
186 #define RTK_PSTATE_D1 0x0002
187 #define RTK_PSTATE_D2 0x0002
188 #define RTK_PSTATE_D3 0x0003
189 #define RTK_PME_EN 0x0010
190 #define RTK_PME_STATUS 0x8000
191
192 #ifdef _KERNEL
193 u_int16_t rtk_read_eeprom __P((struct rtk_softc *, int, int));
194 void rtk_setmulti __P((struct rtk_softc *));
195 void rtk_attach __P((struct rtk_softc *));
196 int rtk_detach __P((struct rtk_softc *));
197 int rtk_activate __P((struct device *, enum devact));
198 int rtk_intr __P((void *));
199 #endif /* _KERNEL */
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