78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/* $NetBSD: dmacvar.h,v 1.1 2001/10/16 15:38:36 uch Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* DO NOT REORDER */
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enum dmac_channel {
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D_CH0_VIF0 = 0,
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D_CH1_VIF1,
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D_CH2_GIF,
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D_CH3_FROMIPU,
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D_CH4_TOIPU,
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D_CH5_SIF0,
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D_CH6_SIF1,
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D_CH7_SIF2,
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D_CH8_FROMSPR,
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D_CH9_TOSPR
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};
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extern u_int32_t __dmac_enabled_channel;
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void dmac_init(void);
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/* start/stop */
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void dmac_start_channel(enum dmac_channel);
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void dmac_stop_channel(enum dmac_channel);
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void dmac_sync_buffer(void);
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/* interrupt */
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int dmac_intr(u_int32_t);
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void *dmac_intr_establish(enum dmac_channel, int, int (*)(void *), void *);
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void dmac_intr_disestablish(void *);
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void dmac_intr_disable(enum dmac_channel);
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void dmac_intr_enable(enum dmac_channel);
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void dmac_update_mask(u_int32_t);
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/* polling */
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void dmac_cpc_set(enum dmac_channel);
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void dmac_cpc_clear(enum dmac_channel);
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void dmac_cpc_poll(void);
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void dmac_bus_poll(enum dmac_channel); /* slow */
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/* misc */
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void dmac_chcr_write(enum dmac_channel, u_int32_t);
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