xref: /netbsd/sys/arch/arm/ep93xx/epevar.h (revision 8f10cf9d)
1 /*      $NetBSD: epevar.h,v 1.8 2022/09/17 19:44:13 thorpej Exp $        */
2 /*-
3  * Copyright (c) 2004 Jesse Off
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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  */
28 
29 #ifndef _EPEVAR_H_
30 #define _EPEVAR_H_
31 
32 #define TX_QLEN	16
33 #define RX_QLEN 64
34 
35 struct epe_qmeta {
36 	struct mbuf 	*m;
37 	bus_dmamap_t	m_dmamap;
38 };
39 
40 struct epe_softc {
41 	device_t		sc_dev;
42 	bus_space_tag_t		sc_iot;
43 	bus_space_handle_t	sc_ioh;
44 	bus_dma_tag_t		sc_dmat;
45 	int			sc_intr;
46 	uint8_t			sc_enaddr[ETHER_ADDR_LEN];
47 	struct ethercom		sc_ec;
48 	mii_data_t		sc_mii;
49 	void *			ctrlpage;
50 	bus_addr_t		ctrlpage_dsaddr;
51 	bus_dmamap_t		ctrlpage_dmamap;
52 	uint32_t		*TXDQ;
53 	uint32_t		TXDQ_avail;
54 	uint32_t		*TXDQ_cur;
55 	uint32_t		*TXStsQ;
56 	uint32_t		*TXStsQ_cur;
57 	uint32_t		*RXDQ;
58 	uint32_t		*RXStsQ;
59 	uint32_t		*RXStsQ_cur;
60 	struct epe_qmeta	rxq[RX_QLEN];
61 	struct epe_qmeta	txq[TX_QLEN];
62 	struct callout		epe_tick_ch;
63 	bool			tx_busy;
64 };
65 
66 #endif /* _EPEVAR_H_ */
67