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

1.1     ! nbrk        1: /*     $OpenBSD: hmevar.h,v 1.9 2006/12/21 22:13:36 jason Exp $        */
        !             2: /*     $NetBSD: hmevar.h,v 1.6 2000/09/28 10:56:57 tsutsui Exp $       */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1999 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: #include <sys/timeout.h>
        !            41:
        !            42: #define        HME_TX_RING_SIZE        64
        !            43: #define        HME_RX_RING_SIZE        64
        !            44: #define        HME_RX_RING_MAX         256
        !            45: #define        HME_TX_RING_MAX         256
        !            46: #define        HME_RX_PKTSIZE          1600
        !            47:
        !            48: struct hme_sxd {
        !            49:        struct mbuf *sd_mbuf;           /* descriptor mbuf */
        !            50:        bus_dmamap_t sd_map;            /* descriptor dmamap */
        !            51:        int sd_loaded;                  /* descriptor dmamap loaded? */
        !            52: };
        !            53:
        !            54: struct hme_ring {
        !            55:        /* Ring Descriptors */
        !            56:        caddr_t         rb_membase;     /* Packet buffer: CPU address */
        !            57:        bus_addr_t      rb_dmabase;     /* Packet buffer: DMA address */
        !            58:        caddr_t         rb_txd;         /* Transmit descriptors */
        !            59:        bus_addr_t      rb_txddma;      /* DMA address of same */
        !            60:        caddr_t         rb_rxd;         /* Receive descriptors */
        !            61:        bus_addr_t      rb_rxddma;      /* DMA address of same */
        !            62: };
        !            63:
        !            64: struct hme_softc {
        !            65:        struct device   sc_dev;         /* boilerplate device view */
        !            66:        struct arpcom   sc_arpcom;      /* Ethernet common part */
        !            67:        struct mii_data sc_mii;         /* MII media control */
        !            68: #define sc_media       sc_mii.mii_media/* shorthand */
        !            69:        struct timeout  sc_tick_ch;     /* tick callout */
        !            70:
        !            71:        /* The following bus handles are to be provided by the bus front-end */
        !            72:        bus_space_tag_t sc_bustag;      /* bus tag */
        !            73:        bus_dma_tag_t   sc_dmatag;      /* bus dma tag */
        !            74:        bus_dmamap_t    sc_dmamap;      /* bus dma handle */
        !            75:        bus_space_handle_t sc_seb;      /* HME Global registers */
        !            76:        bus_space_handle_t sc_erx;      /* HME ERX registers */
        !            77:        bus_space_handle_t sc_etx;      /* HME ETX registers */
        !            78:        bus_space_handle_t sc_mac;      /* HME MAC registers */
        !            79:        bus_space_handle_t sc_mif;      /* HME MIF registers */
        !            80:        int             sc_burst;       /* DVMA burst size in effect */
        !            81:        int             sc_phys[2];     /* MII instance -> PHY map */
        !            82:
        !            83:        int             sc_pci;         /* XXXXX -- PCI buses are LE. */
        !            84:
        !            85:        /* Ring descriptor */
        !            86:        struct hme_ring         sc_rb;
        !            87:
        !            88:        int                     sc_debug;
        !            89:        void                    *sc_sh;         /* shutdownhook cookie */
        !            90:        short                   sc_if_flags;
        !            91:
        !            92:        /* Special hardware hooks */
        !            93:        void    (*sc_hwreset)(struct hme_softc *);
        !            94:        void    (*sc_hwinit)(struct hme_softc *);
        !            95:
        !            96:        struct hme_sxd sc_txd[HME_TX_RING_MAX], sc_rxd[HME_RX_RING_MAX];
        !            97:        bus_dmamap_t    sc_rxmap_spare;
        !            98:        int     sc_tx_cnt, sc_tx_prod, sc_tx_cons;
        !            99:        int     sc_last_rd;
        !           100:        u_int32_t sc_tcvr;
        !           101: };
        !           102:
        !           103:
        !           104: void   hme_config(struct hme_softc *);
        !           105: void   hme_reset(struct hme_softc *);
        !           106: int    hme_intr(void *);