xref: /netbsd-src/sys/dev/ic/lan9118var.h (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: lan9118var.h,v 1.2 2009/11/28 08:44:00 kiyohara Exp $	*/
2 /*
3  * Copyright (c) 2008 KIYOHARA Takashi
4  * 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
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef _LAN9118VAR_H_
29 #define _LAN9118VAR_H_
30 
31 #include "rnd.h"
32 
33 #if NRND > 0
34 #include <sys/rnd.h>
35 #endif
36 
37 #define LAN9118_DEFAULT_TX_FIF_SZ	5 /*kB*/
38 
39 #ifndef LAN9118_TX_FIF_SZ
40 #define LAN9118_TX_FIF_SZ	LAN9118_DEFAULT_TX_FIF_SZ
41 #endif
42 #define LAN9118_TX_DATA_FIFO_SIZE	(LAN9118_TX_FIF_SZ * 1024 - 512)
43 /*
44  * LAN9118 has FIFO buffer, total size is 16kB.  That is using TX and RX
45  * buffers.  We can set TX FIFO Size.  Also TX Status FIFO size is fixed
46  * at 512 Bytes.
47  *
48  *  TX FIFO Size		: LAN9118_TX_FIF_SZ
49  *   TX Status FIFO Size	: 512 Bytes (fixed)
50  *   TX Data FIFO Size		: LAN9118_TX_FIF_SZ - TX Status FIFO Size
51  *
52  *  RX FIFO Size		: 16kB - LAN9118_TX_FIF_SZ
53  *   RX Status FIFO Size	: RX FIFO Size / 16
54  *   RX Data FIFO Size		: RX FIFO Size - RX Status FIFO Size
55  */
56 
57 
58 struct lan9118_softc {
59 	device_t sc_dev;		/* generic device glue */
60 	struct ethercom sc_ec;		/* ethernet common glue */
61 	struct mii_data sc_mii;
62 
63 	bus_space_tag_t sc_iot;
64 	bus_space_handle_t sc_ioh;
65 
66 	uint16_t sc_id;
67 	uint16_t sc_rev;
68 	uint8_t sc_enaddr[ETHER_ADDR_LEN];
69 
70 	uint32_t sc_afc_cfg;		/* AFC_CFG configuration */
71 	int sc_use_extphy;
72 	struct callout sc_tick;
73 
74 	int sc_flags;
75 #define LAN9118_FLAGS_SWAP	0x00000001
76 #define LAN9118_FLAGS_NO_EEPROM	0x00000002
77 
78 #if NRND > 0
79 	rndsource_element_t rnd_source;
80 #endif
81 };
82 
83 
84 int lan9118_attach(struct lan9118_softc *);
85 int lan9118_intr(void *);
86 
87 #endif	/* _SMSC9118VAR_H_ */
88