1 /* $NetBSD: lsi64854var.h,v 1.3 1998/09/21 21:26:52 pk 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 struct lsi64854_softc { 40 struct device sc_dev; /* base device */ 41 bus_space_tag_t sc_bustag; /* bus tags */ 42 bus_dma_tag_t sc_dmatag; 43 44 bus_space_handle_t sc_regs; /* the registers */ 45 u_int sc_rev; /* revision */ 46 int sc_burst; /* max suported burst size */ 47 48 int sc_channel; 49 #define L64854_CHANNEL_SCSI 1 50 #define L64854_CHANNEL_ENET 2 51 #define L64854_CHANNEL_PP 3 52 void *sc_client; 53 54 int sc_active; /* DMA active ? */ 55 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */ 56 caddr_t sc_dvmaaddr; /* DVMA cookie */ 57 size_t sc_dmasize; 58 caddr_t *sc_dmaaddr; 59 size_t *sc_dmalen; 60 61 void (*reset) __P((struct lsi64854_softc *));/* reset routine */ 62 int (*setup) __P((struct lsi64854_softc *, caddr_t *, size_t *, 63 int, size_t *)); /* dma setup */ 64 int (*intr) __P((void *)); /* interrupt handler */ 65 66 int (*sc_intrchain) __P((void *)); /* next handler in intr chain */ 67 void *sc_intrchainarg; /* arg for next intr handler */ 68 69 }; 70 71 #define L64854_GCSR(sc) \ 72 (bus_space_read_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR)) 73 74 #define L64854_SCSR(sc, csr) \ 75 bus_space_write_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR, csr) 76 77 78 /* 79 * DMA engine interface functions. 80 */ 81 #define DMA_RESET(sc) (((sc)->reset)(sc)) 82 #define DMA_INTR(sc) (((sc)->intr)(sc)) 83 #define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s)) 84 85 #define DMA_ISACTIVE(sc) ((sc)->sc_active) 86 87 #define DMA_ENINTR(sc) do { \ 88 u_int32_t csr = L64854_GCSR(sc); \ 89 csr |= L64854_INT_EN; \ 90 L64854_SCSR(sc, csr); \ 91 } while (0) 92 93 #define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND)) 94 95 #define DMA_GO(sc) do { \ 96 u_int32_t csr = L64854_GCSR(sc); \ 97 csr |= D_EN_DMA; \ 98 L64854_SCSR(sc, csr); \ 99 sc->sc_active = 1; \ 100 } while (0) 101 102 103 void lsi64854_attach __P((struct lsi64854_softc *)); 104 int lsi64854_scsi_intr __P((void *)); 105 int lsi64854_enet_intr __P((void *)); 106 int lsi64854_pp_intr __P((void *)); 107