1 /* $OpenBSD: lsi64854var.h,v 1.7 2008/06/26 05:42:15 ray 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 struct lsi64854_softc { 34 struct device sc_dev; /* base device */ 35 bus_space_tag_t sc_bustag; /* bus tags */ 36 bus_dma_tag_t sc_dmatag; 37 38 bus_space_handle_t sc_regs; /* the registers */ 39 u_int sc_rev; /* revision */ 40 int sc_burst; /* max supported burst size */ 41 42 int sc_channel; 43 #define L64854_CHANNEL_SCSI 1 44 #define L64854_CHANNEL_ENET 2 45 #define L64854_CHANNEL_PP 3 46 void *sc_client; 47 48 int sc_active; /* DMA active ? */ 49 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */ 50 caddr_t sc_dvmaaddr; /* DVMA cookie */ 51 size_t sc_dmasize; 52 caddr_t *sc_dmaaddr; 53 size_t *sc_dmalen; 54 55 void (*reset)(struct lsi64854_softc *);/* reset routine */ 56 int (*setup)(struct lsi64854_softc *, caddr_t *, size_t *, 57 int, size_t *); /* dma setup */ 58 int (*intr)(void *); /* interrupt handler */ 59 60 int (*sc_intrchain)(void *); /* next handler in intr chain */ 61 void *sc_intrchainarg; /* arg for next intr handler */ 62 63 u_int sc_dmactl; 64 }; 65 66 #define L64854_GCSR(sc) \ 67 (bus_space_read_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR)) 68 69 #define L64854_SCSR(sc, csr) \ 70 bus_space_write_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR, csr) 71 72 73 /* 74 * DMA engine interface functions. 75 */ 76 #define DMA_RESET(sc) (((sc)->reset)(sc)) 77 #define DMA_INTR(sc) (((sc)->intr)(sc)) 78 #define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s)) 79 80 #define DMA_ISACTIVE(sc) ((sc)->sc_active) 81 82 #define DMA_ENINTR(sc) do { \ 83 u_int32_t csr = L64854_GCSR(sc); \ 84 csr |= L64854_INT_EN; \ 85 L64854_SCSR(sc, csr); \ 86 } while (0) 87 88 #define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND)) 89 90 #define DMA_GO(sc) do { \ 91 u_int32_t csr = L64854_GCSR(sc); \ 92 csr |= D_EN_DMA; \ 93 L64854_SCSR(sc, csr); \ 94 sc->sc_active = 1; \ 95 } while (0) 96 97 98 int lsi64854_attach(struct lsi64854_softc *); 99 int lsi64854_enet_intr(void *); 100