dmacvar.h revision 1.1 1 1.1 uch /* $NetBSD: dmacvar.h,v 1.1 2001/10/16 15:38:36 uch 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 * 3. All advertising materials mentioning features or use of this software
19 1.1 uch * must display the following acknowledgement:
20 1.1 uch * This product includes software developed by the NetBSD
21 1.1 uch * Foundation, Inc. and its contributors.
22 1.1 uch * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 uch * contributors may be used to endorse or promote products derived
24 1.1 uch * from this software without specific prior written permission.
25 1.1 uch *
26 1.1 uch * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 uch * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 uch * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 uch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 uch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 uch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 uch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 uch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 uch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 uch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 uch * POSSIBILITY OF SUCH DAMAGE.
37 1.1 uch */
38 1.1 uch
39 1.1 uch /* DO NOT REORDER */
40 1.1 uch enum dmac_channel {
41 1.1 uch D_CH0_VIF0 = 0,
42 1.1 uch D_CH1_VIF1,
43 1.1 uch D_CH2_GIF,
44 1.1 uch D_CH3_FROMIPU,
45 1.1 uch D_CH4_TOIPU,
46 1.1 uch D_CH5_SIF0,
47 1.1 uch D_CH6_SIF1,
48 1.1 uch D_CH7_SIF2,
49 1.1 uch D_CH8_FROMSPR,
50 1.1 uch D_CH9_TOSPR
51 1.1 uch };
52 1.1 uch
53 1.1 uch extern u_int32_t __dmac_enabled_channel;
54 1.1 uch
55 1.1 uch void dmac_init(void);
56 1.1 uch
57 1.1 uch /* start/stop */
58 1.1 uch void dmac_start_channel(enum dmac_channel);
59 1.1 uch void dmac_stop_channel(enum dmac_channel);
60 1.1 uch void dmac_sync_buffer(void);
61 1.1 uch
62 1.1 uch /* interrupt */
63 1.1 uch int dmac_intr(u_int32_t);
64 1.1 uch void *dmac_intr_establish(enum dmac_channel, int, int (*)(void *), void *);
65 1.1 uch void dmac_intr_disestablish(void *);
66 1.1 uch void dmac_intr_disable(enum dmac_channel);
67 1.1 uch void dmac_intr_enable(enum dmac_channel);
68 1.1 uch void dmac_update_mask(u_int32_t);
69 1.1 uch
70 1.1 uch /* polling */
71 1.1 uch void dmac_cpc_set(enum dmac_channel);
72 1.1 uch void dmac_cpc_clear(enum dmac_channel);
73 1.1 uch void dmac_cpc_poll(void);
74 1.1 uch void dmac_bus_poll(enum dmac_channel); /* slow */
75 1.1 uch
76 1.1 uch /* misc */
77 1.1 uch void dmac_chcr_write(enum dmac_channel, u_int32_t);
78