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Annotation of sys/dev/ic/lsi64854var.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: lsi64854var.h,v 1.6 2007/02/28 18:48:35 miod 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: int    lsi64854_attach(struct lsi64854_softc *);
        !           106: int    lsi64854_enet_intr(void *);