xref: /netbsd-src/sys/arch/arm/at91/at91emacvar.h (revision 5857c2f00920c7bc8b7601fa7caa3a7a2beb874c)
1*5857c2f0Sthorpej /*	$Id: at91emacvar.h,v 1.4 2022/09/17 19:32:01 thorpej Exp $	*/
2*5857c2f0Sthorpej /*      $NetBSD: at91emacvar.h,v 1.4 2022/09/17 19:32:01 thorpej Exp $	*/
3c62a0ac4Smatt /*-
4c62a0ac4Smatt  * Copyright (c) 2007 Embedtronics Oy
5c62a0ac4Smatt  * All rights reserved
6c62a0ac4Smatt  *
7c62a0ac4Smatt  * Based on arch/arm/ep93xx/epevar.h
8c62a0ac4Smatt  *
9c62a0ac4Smatt  * Copyright (c) 2004 Jesse Off
10c62a0ac4Smatt  * All rights reserved
11c62a0ac4Smatt  *
12c62a0ac4Smatt  * Redistribution and use in source and binary forms, with or without
13c62a0ac4Smatt  * modification, are permitted provided that the following conditions
14c62a0ac4Smatt  * are met:
15c62a0ac4Smatt  * 1. Redistributions of source code must retain the above copyright
16c62a0ac4Smatt  *    notice, this list of conditions and the following disclaimer.
17c62a0ac4Smatt  * 2. Redistributions in binary form must reproduce the above copyright
18c62a0ac4Smatt  *    notice, this list of conditions and the following disclaimer in the
19c62a0ac4Smatt  *    documentation and/or other materials provided with the distribution.
20cff5caddSsnj  *
21c62a0ac4Smatt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22c62a0ac4Smatt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23c62a0ac4Smatt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24c62a0ac4Smatt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25c62a0ac4Smatt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26c62a0ac4Smatt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27c62a0ac4Smatt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28c62a0ac4Smatt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29c62a0ac4Smatt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30c62a0ac4Smatt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31c62a0ac4Smatt  * SUCH DAMAGE.
32c62a0ac4Smatt  *
33c62a0ac4Smatt  */
34c62a0ac4Smatt 
35c62a0ac4Smatt #ifndef _AT91EMACVAR_H_
36c62a0ac4Smatt #define _AT91EMACVAR_H_
37c62a0ac4Smatt 
38c62a0ac4Smatt #define RX_QLEN 64
39c62a0ac4Smatt #define	TX_QLEN	2		/* I'm very sorry but that's where we can get */
40c62a0ac4Smatt 
41c62a0ac4Smatt struct emac_qmeta {
42c62a0ac4Smatt 	struct mbuf 	*m;
43c62a0ac4Smatt 	bus_dmamap_t	m_dmamap;
44c62a0ac4Smatt };
45c62a0ac4Smatt 
46c62a0ac4Smatt struct emac_softc {
47c62a0ac4Smatt 	device_t		sc_dev;
48c62a0ac4Smatt 	bus_space_tag_t		sc_iot;
49c62a0ac4Smatt 	bus_space_handle_t	sc_ioh;
50c62a0ac4Smatt 	bus_dma_tag_t		sc_dmat;
51c62a0ac4Smatt 	int			sc_pid;
52c62a0ac4Smatt 	uint8_t			sc_enaddr[ETHER_ADDR_LEN];
53c62a0ac4Smatt 	struct ethercom		sc_ec;
54c62a0ac4Smatt 	mii_data_t		sc_mii;
55c62a0ac4Smatt 	void			*rbqpage;
56c62a0ac4Smatt 	unsigned		rbqlen;
57c62a0ac4Smatt 	bus_addr_t		rbqpage_dsaddr;
58c62a0ac4Smatt 	bus_dmamap_t		rbqpage_dmamap;
59c62a0ac4Smatt 
60c62a0ac4Smatt 	volatile struct eth_rdsc *RDSC;
61c62a0ac4Smatt 	int			rxqi;
62c62a0ac4Smatt 	struct emac_qmeta	rxq[RX_QLEN];
63c62a0ac4Smatt 	int			txqi, txqc;
64c62a0ac4Smatt 	struct emac_qmeta	txq[TX_QLEN];
65c62a0ac4Smatt 	callout_t		emac_tick_ch;
66*5857c2f0Sthorpej 	bool			tx_busy;
67c62a0ac4Smatt };
68c62a0ac4Smatt 
69c62a0ac4Smatt #endif /* _AT91EMACVAR_H_ */
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