1/* $NetBSD: if_tlvar.h,v 1.17 2015/04/13 16:33:25 riastradh Exp $ */
2
3/*
4 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27/*
28 * Texas Instruments ThunderLAN ethernet controller
29 * ThunderLAN Programmer's Guide (TI Literature Number SPWU013A)
30 * available from www.ti.com
31 */
32
33#include <sys/rndsource.h>
34
35#include <dev/i2c/i2cvar.h>
36
37struct tl_product_desc {
38 u_int32_t tp_product;
39 int tp_tlphymedia;
40 const char *tp_desc;
41};
42
43struct tl_softc {
44 device_t sc_dev; /* base device */
45 bus_space_tag_t tl_bustag;
46 bus_space_handle_t tl_bushandle; /* CSR region handle */
47 bus_dma_tag_t tl_dmatag;
48 const struct tl_product_desc *tl_product;
49 void* tl_ih;
50 struct ethercom tl_ec;
51 struct callout tl_tick_ch; /* tick callout */
52 struct callout tl_restart_ch; /* restart callout */
53 u_int8_t tl_enaddr[ETHER_ADDR_LEN]; /* hardware address */
54 struct i2c_controller sc_i2c; /* i2c controller info, for eeprom */
55 mii_data_t tl_mii; /* mii bus */
56 bus_dma_segment_t ctrl_segs; /* bus-dma memory for control blocks */
57 int ctrl_nsegs;
58 char *ctrl; /* vaddr for ctrl_segs */
59 struct Rx_list *Rx_list; /* Receive and transmit lists */
60 struct tl_Rx_list *hw_Rx_list; /* and assocoated hw descriptor */
61 bus_dmamap_t Rx_dmamap; /* and associated DMA maps */
62 struct Tx_list *Tx_list;
63 struct tl_Tx_list *hw_Tx_list;
64 bus_dmamap_t Tx_dmamap;
65 struct Rx_list *active_Rx, *last_Rx;
66 struct Tx_list *active_Tx, *last_Tx;
67 struct Tx_list *Free_Tx;
68 bus_dmamap_t null_dmamap; /* for small packets padding */
69#ifdef TL_PRIV_STATS
70 int ierr_overr;
71 int ierr_code;
72 int ierr_crc;
73 int ierr_nomem;
74 int oerr_underr;
75 int oerr_deferred;
76 int oerr_coll;
77 int oerr_multicoll;
78 int oerr_latecoll;
79 int oerr_exesscoll;
80 int oerr_carrloss;
81 int oerr_mcopy;
82#endif
83 krndsource_t rnd_source;
84};
85#define tl_if tl_ec.ec_if
86#define tl_bpf tl_if.if_bpf
87
88typedef struct tl_softc tl_softc_t;
89typedef u_long ioctl_cmd_t;
90
91#define TL_HR_READ(sc, reg) \
92 bus_space_read_4(sc->tl_bustag, sc->tl_bushandle, (reg))
93#define TL_HR_READ_BYTE(sc, reg) \
94 bus_space_read_1(sc->tl_bustag, sc->tl_bushandle, (reg))
95#define TL_HR_WRITE(sc, reg, data) \
96 bus_space_write_4(sc->tl_bustag, sc->tl_bushandle, (reg), (data))
97#define TL_HR_WRITE_BYTE(sc, reg, data) \
98 bus_space_write_1(sc->tl_bustag, sc->tl_bushandle, (reg), (data))
99#define ETHER_MIN_TX (ETHERMIN + sizeof(struct ether_header))
100