| 1 | /* $ZEL: sis1100_write_pipe.c,v 1.2 2004/05/27 23:10:40 wuestner Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Copyright (c) 2001-2004
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| 5 | * Peter Wuestner. All rights reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions, and the following disclaimer.
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 26 | * SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include "sis1100_sc.h"
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| 30 |
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| 31 | int
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| 32 | sis1100_write_pipe(struct sis1100_softc* sc, int32_t am,
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| 33 | int space, int num, u_int32_t* data)
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| 34 | {
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| 35 | u_int32_t error;
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| 36 | u_int32_t head;
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| 37 | int i;
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| 38 |
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| 39 | head=0x0f000404|(space&0x3f)<<16;
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| 40 |
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| 41 | SEM_LOCK(sc->sem_hw);
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| 42 | if (am>=0) {
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| 43 | head|=0x800;
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| 44 | sis1100writereg(sc, t_am, am);
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| 45 | }
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| 46 | sis1100writereg(sc, t_hdr, head);
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| 47 | for (i=0; i<num; i++) {
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| 48 | sis1100writereg(sc, t_adl, *data++);
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| 49 | sis1100writereg(sc, t_dal, *data++);
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| 50 | }
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| 51 |
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| 52 | do {
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| 53 | error=sis1100readreg(sc, prot_error);
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| 54 | } while (error==0x005);
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| 55 | SEM_UNLOCK(sc->sem_hw);
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| 56 |
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| 57 | return error;
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| 58 | }
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