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      1  1.3  pooka /*	$NetBSD: dmacvar.h,v 1.4 2014/03/31 11:25:49 martin Exp $	*/
      2  1.1    uch 
      3  1.1    uch /*-
      4  1.1    uch  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  1.1    uch  * All rights reserved.
      6  1.1    uch  *
      7  1.1    uch  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1    uch  * by UCHIYAMA Yasushi.
      9  1.1    uch  *
     10  1.1    uch  * Redistribution and use in source and binary forms, with or without
     11  1.1    uch  * modification, are permitted provided that the following conditions
     12  1.1    uch  * are met:
     13  1.1    uch  * 1. Redistributions of source code must retain the above copyright
     14  1.1    uch  *    notice, this list of conditions and the following disclaimer.
     15  1.1    uch  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1    uch  *    notice, this list of conditions and the following disclaimer in the
     17  1.1    uch  *    documentation and/or other materials provided with the distribution.
     18  1.1    uch  *
     19  1.1    uch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1    uch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1    uch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1    uch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1    uch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1    uch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1    uch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1    uch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1    uch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1    uch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1    uch  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1    uch  */
     31  1.1    uch 
     32  1.1    uch /* DO NOT REORDER */
     33  1.1    uch enum dmac_channel {
     34  1.1    uch 	D_CH0_VIF0 = 0,
     35  1.1    uch 	D_CH1_VIF1,
     36  1.1    uch 	D_CH2_GIF,
     37  1.1    uch 	D_CH3_FROMIPU,
     38  1.1    uch 	D_CH4_TOIPU,
     39  1.1    uch 	D_CH5_SIF0,
     40  1.1    uch 	D_CH6_SIF1,
     41  1.1    uch 	D_CH7_SIF2,
     42  1.1    uch 	D_CH8_FROMSPR,
     43  1.1    uch 	D_CH9_TOSPR
     44  1.1    uch };
     45  1.1    uch 
     46  1.1    uch extern u_int32_t __dmac_enabled_channel;
     47  1.1    uch 
     48  1.1    uch void	dmac_init(void);
     49  1.1    uch 
     50  1.1    uch /* start/stop */
     51  1.1    uch void	dmac_start_channel(enum dmac_channel);
     52  1.1    uch void	dmac_stop_channel(enum dmac_channel);
     53  1.1    uch void	dmac_sync_buffer(void);
     54  1.1    uch 
     55  1.1    uch /* interrupt */
     56  1.1    uch int	dmac_intr(u_int32_t);
     57  1.1    uch void	*dmac_intr_establish(enum dmac_channel, int, int (*)(void *), void *);
     58  1.1    uch void	dmac_intr_disestablish(void *);
     59  1.1    uch void	dmac_intr_disable(enum dmac_channel);
     60  1.1    uch void	dmac_intr_enable(enum dmac_channel);
     61  1.1    uch void	dmac_update_mask(u_int32_t);
     62  1.1    uch 
     63  1.1    uch /* polling */
     64  1.1    uch void	dmac_cpc_set(enum dmac_channel);
     65  1.1    uch void	dmac_cpc_clear(enum dmac_channel);
     66  1.1    uch void	dmac_cpc_poll(void);
     67  1.1    uch void	dmac_bus_poll(enum dmac_channel);	/* slow */
     68  1.1    uch 
     69  1.1    uch /* misc */
     70  1.1    uch void	dmac_chcr_write(enum dmac_channel, u_int32_t);
     71