lsi64854var.h revision 155089
1/* $NetBSD: lsi64854var.h,v 1.6 2005/02/04 02:10:36 perry Exp $ */ 2 3/*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. 25 * 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. 37 */ 38 39/* $FreeBSD: head/sys/sparc64/sbus/lsi64854var.h 155089 2006-01-31 12:50:02Z marius $ */ 40 41struct lsi64854_softc { 42 device_t sc_dev; 43 44 int sc_rid; 45 struct resource *sc_res; 46 bus_space_handle_t sc_regh; 47 bus_space_tag_t sc_regt; 48 u_int sc_rev; /* revision */ 49 int sc_burst; /* max suported burst size */ 50 51 int sc_channel; 52#define L64854_CHANNEL_SCSI 1 53#define L64854_CHANNEL_ENET 2 54#define L64854_CHANNEL_PP 3 55 void *sc_client; 56 57 int sc_active; /* DMA active ? */ 58 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */ 59 60 bus_dma_tag_t sc_parent_dmat; 61 bus_dma_tag_t sc_buffer_dmat; 62 int sc_datain; 63 size_t sc_dmasize; 64 caddr_t *sc_dmaaddr; 65 size_t *sc_dmalen; 66 67 void (*reset)(struct lsi64854_softc *);/* reset routine */ 68 int (*setup)(struct lsi64854_softc *, caddr_t *, size_t *, 69 int, size_t *); /* DMA setup */ 70 int (*intr)(void *); /* interrupt handler */ 71 72 u_int sc_dmactl; 73 int sc_dodrain; 74}; 75 76#define L64854_GCSR(sc) \ 77 (bus_space_read_4((sc)->sc_regt, (sc)->sc_regh, L64854_REG_CSR)) 78 79#define L64854_SCSR(sc, csr) \ 80 bus_space_write_4((sc)->sc_regt, (sc)->sc_regh, L64854_REG_CSR, csr) 81 82 83/* 84 * DMA engine interface functions. 85 */ 86#define DMA_RESET(sc) (((sc)->reset)(sc)) 87#define DMA_INTR(sc) (((sc)->intr)(sc)) 88#define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s)) 89 90#define DMA_ISACTIVE(sc) ((sc)->sc_active) 91 92#define DMA_ENINTR(sc) do { \ 93 uint32_t csr = L64854_GCSR(sc); \ 94 csr |= L64854_INT_EN; \ 95 L64854_SCSR(sc, csr); \ 96} while (0) 97 98#define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND)) 99 100#define DMA_GO(sc) do { \ 101 uint32_t csr = L64854_GCSR(sc); \ 102 csr |= D_EN_DMA; \ 103 L64854_SCSR(sc, csr); \ 104 sc->sc_active = 1; \ 105} while (0) 106 107 108int lsi64854_attach(struct lsi64854_softc *); 109int lsi64854_detach(struct lsi64854_softc *); 110