1 /* $OpenBSD: lsi64854var.h,v 1.4 2002/06/14 21:34:59 todd Exp $ */ 2 /* $NetBSD: lsi64854var.h,v 1.4 2001/03/29 02:58:39 petrov Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Paul Kranenburg. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 struct lsi64854_softc { 41 struct device sc_dev; /* base device */ 42 bus_space_tag_t sc_bustag; /* bus tags */ 43 bus_dma_tag_t sc_dmatag; 44 45 bus_space_handle_t sc_regs; /* the registers */ 46 u_int sc_rev; /* revision */ 47 int sc_burst; /* max supported burst size */ 48 49 int sc_channel; 50 #define L64854_CHANNEL_SCSI 1 51 #define L64854_CHANNEL_ENET 2 52 #define L64854_CHANNEL_PP 3 53 void *sc_client; 54 55 int sc_active; /* DMA active ? */ 56 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */ 57 caddr_t sc_dvmaaddr; /* DVMA cookie */ 58 size_t sc_dmasize; 59 caddr_t *sc_dmaaddr; 60 size_t *sc_dmalen; 61 62 void (*reset)(struct lsi64854_softc *);/* reset routine */ 63 int (*setup)(struct lsi64854_softc *, caddr_t *, size_t *, 64 int, size_t *); /* dma setup */ 65 int (*intr)(void *); /* interrupt handler */ 66 67 int (*sc_intrchain)(void *); /* next handler in intr chain */ 68 void *sc_intrchainarg; /* arg for next intr handler */ 69 70 u_int sc_dmactl; 71 }; 72 73 #define L64854_GCSR(sc) \ 74 (bus_space_read_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR)) 75 76 #define L64854_SCSR(sc, csr) \ 77 bus_space_write_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR, csr) 78 79 80 /* 81 * DMA engine interface functions. 82 */ 83 #define DMA_RESET(sc) (((sc)->reset)(sc)) 84 #define DMA_INTR(sc) (((sc)->intr)(sc)) 85 #define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s)) 86 87 #define DMA_ISACTIVE(sc) ((sc)->sc_active) 88 89 #define DMA_ENINTR(sc) do { \ 90 u_int32_t csr = L64854_GCSR(sc); \ 91 csr |= L64854_INT_EN; \ 92 L64854_SCSR(sc, csr); \ 93 } while (0) 94 95 #define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND)) 96 97 #define DMA_GO(sc) do { \ 98 u_int32_t csr = L64854_GCSR(sc); \ 99 csr |= D_EN_DMA; \ 100 L64854_SCSR(sc, csr); \ 101 sc->sc_active = 1; \ 102 } while (0) 103 104 105 void lsi64854_attach(struct lsi64854_softc *); 106 int lsi64854_scsi_intr(void *); 107 int lsi64854_enet_intr(void *); 108 int lsi64854_pp_intr(void *); 109