1 /* $NetBSD: lsi64854var.h,v 1.13 2019/12/27 09:22:20 msaitoh 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 struct lsi64854_softc { 33 device_t sc_dev; /* base device */ 34 bus_space_tag_t sc_bustag; /* bus tags */ 35 bus_dma_tag_t sc_dmatag; 36 37 bus_space_handle_t sc_regs; /* the registers */ 38 u_int sc_rev; /* revision */ 39 int sc_burst; /* max supported burst size */ 40 41 int sc_channel; 42 #define L64854_CHANNEL_SCSI 1 43 #define L64854_CHANNEL_ENET 2 44 #define L64854_CHANNEL_PP 3 45 void *sc_client; 46 47 int sc_active; /* DMA active ? */ 48 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */ 49 void * sc_dvmaaddr; /* DVMA cookie */ 50 size_t sc_dmasize; 51 uint8_t **sc_dmaaddr; 52 size_t *sc_dmalen; 53 54 void (*reset)(struct lsi64854_softc *);/* reset routine */ 55 int (*setup)(struct lsi64854_softc *, uint8_t **, size_t *, 56 int, size_t *); /* DMA setup */ 57 int (*intr)(void *); /* interrupt handler */ 58 59 int (*sc_intrchain)(void *); /* next handler in intr chain */ 60 void *sc_intrchainarg; /* arg for next intr handler */ 61 62 u_int sc_dmactl; 63 }; 64 65 #define L64854_GCSR(sc) \ 66 (bus_space_read_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR)) 67 68 #define L64854_SCSR(sc, csr) \ 69 bus_space_write_4((sc)->sc_bustag, (sc)->sc_regs, L64854_REG_CSR, csr) 70 71 72 /* 73 * DMA engine interface functions. 74 */ 75 #define DMA_RESET(sc) (((sc)->reset)(sc)) 76 #define DMA_INTR(sc) (((sc)->intr)(sc)) 77 #define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s)) 78 79 #define DMA_ISACTIVE(sc) ((sc)->sc_active) 80 81 #define DMA_ENINTR(sc) do { \ 82 uint32_t _csr = L64854_GCSR(sc); \ 83 _csr |= L64854_INT_EN; \ 84 L64854_SCSR(sc, _csr); \ 85 } while (/*CONSTCOND*/0) 86 87 #define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND)) 88 89 #define DMA_GO(sc) do { \ 90 uint32_t _csr = L64854_GCSR(sc); \ 91 _csr |= D_EN_DMA; \ 92 L64854_SCSR(sc, _csr); \ 93 sc->sc_active = 1; \ 94 } while (0) 95 96 97 void lsi64854_attach(struct lsi64854_softc *); 98 int lsi64854_scsi_intr(void *); 99 int lsi64854_enet_intr(void *); 100 int lsi64854_pp_intr(void *); 101