1 /* $NetBSD: lsi64854var.h,v 1.6 2005/02/04 02:10:36 perry Exp $ */
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
41 struct lsi64854_softc {
44 struct resource *sc_res;
45 u_int sc_rev; /* revision */
46 int sc_burst; /* max suported burst size */
49 #define L64854_CHANNEL_SCSI 1
50 #define L64854_CHANNEL_ENET 2
51 #define L64854_CHANNEL_PP 3
54 int sc_active; /* DMA active? */
55 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */
57 bus_dma_tag_t sc_parent_dmat;
58 bus_dma_tag_t sc_buffer_dmat;
64 void (*reset)(struct lsi64854_softc *);/* reset routine */
65 int (*setup)(struct lsi64854_softc *, caddr_t *, size_t *,
66 int, size_t *); /* DMA setup */
67 int (*intr)(void *); /* interrupt handler */
73 #define L64854_GCSR(sc) bus_read_4((sc)->sc_res, L64854_REG_CSR)
74 #define L64854_SCSR(sc, csr) bus_write_4((sc)->sc_res, L64854_REG_CSR, csr)
77 * DMA engine interface functions.
79 #define DMA_RESET(sc) (((sc)->reset)(sc))
80 #define DMA_INTR(sc) (((sc)->intr)(sc))
81 #define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s))
82 #define DMA_ISACTIVE(sc) ((sc)->sc_active)
84 #define DMA_ENINTR(sc) do { \
85 uint32_t csr = L64854_GCSR(sc); \
86 csr |= L64854_INT_EN; \
87 L64854_SCSR(sc, csr); \
90 #define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND))
92 #define DMA_GO(sc) do { \
93 uint32_t csr = L64854_GCSR(sc); \
95 L64854_SCSR(sc, csr); \
99 int lsi64854_attach(struct lsi64854_softc *);
100 int lsi64854_detach(struct lsi64854_softc *);