dmacvar.h revision 1.4.6.2 1 1.4.6.2 tls /* $NetBSD: dmacvar.h,v 1.4.6.2 2014/08/20 00:03:18 tls Exp $ */
2 1.4.6.2 tls
3 1.4.6.2 tls /*-
4 1.4.6.2 tls * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 1.4.6.2 tls * All rights reserved.
6 1.4.6.2 tls *
7 1.4.6.2 tls * This code is derived from software contributed to The NetBSD Foundation
8 1.4.6.2 tls * by UCHIYAMA Yasushi.
9 1.4.6.2 tls *
10 1.4.6.2 tls * Redistribution and use in source and binary forms, with or without
11 1.4.6.2 tls * modification, are permitted provided that the following conditions
12 1.4.6.2 tls * are met:
13 1.4.6.2 tls * 1. Redistributions of source code must retain the above copyright
14 1.4.6.2 tls * notice, this list of conditions and the following disclaimer.
15 1.4.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright
16 1.4.6.2 tls * notice, this list of conditions and the following disclaimer in the
17 1.4.6.2 tls * documentation and/or other materials provided with the distribution.
18 1.4.6.2 tls *
19 1.4.6.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.4.6.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.4.6.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.4.6.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.4.6.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.4.6.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.4.6.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.4.6.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.4.6.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.4.6.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.4.6.2 tls * POSSIBILITY OF SUCH DAMAGE.
30 1.4.6.2 tls */
31 1.4.6.2 tls
32 1.4.6.2 tls /* DO NOT REORDER */
33 1.4.6.2 tls enum dmac_channel {
34 1.4.6.2 tls D_CH0_VIF0 = 0,
35 1.4.6.2 tls D_CH1_VIF1,
36 1.4.6.2 tls D_CH2_GIF,
37 1.4.6.2 tls D_CH3_FROMIPU,
38 1.4.6.2 tls D_CH4_TOIPU,
39 1.4.6.2 tls D_CH5_SIF0,
40 1.4.6.2 tls D_CH6_SIF1,
41 1.4.6.2 tls D_CH7_SIF2,
42 1.4.6.2 tls D_CH8_FROMSPR,
43 1.4.6.2 tls D_CH9_TOSPR
44 1.4.6.2 tls };
45 1.4.6.2 tls
46 1.4.6.2 tls extern u_int32_t __dmac_enabled_channel;
47 1.4.6.2 tls
48 1.4.6.2 tls void dmac_init(void);
49 1.4.6.2 tls
50 1.4.6.2 tls /* start/stop */
51 1.4.6.2 tls void dmac_start_channel(enum dmac_channel);
52 1.4.6.2 tls void dmac_stop_channel(enum dmac_channel);
53 1.4.6.2 tls void dmac_sync_buffer(void);
54 1.4.6.2 tls
55 1.4.6.2 tls /* interrupt */
56 1.4.6.2 tls int dmac_intr(u_int32_t);
57 1.4.6.2 tls void *dmac_intr_establish(enum dmac_channel, int, int (*)(void *), void *);
58 1.4.6.2 tls void dmac_intr_disestablish(void *);
59 1.4.6.2 tls void dmac_intr_disable(enum dmac_channel);
60 1.4.6.2 tls void dmac_intr_enable(enum dmac_channel);
61 1.4.6.2 tls void dmac_update_mask(u_int32_t);
62 1.4.6.2 tls
63 1.4.6.2 tls /* polling */
64 1.4.6.2 tls void dmac_cpc_set(enum dmac_channel);
65 1.4.6.2 tls void dmac_cpc_clear(enum dmac_channel);
66 1.4.6.2 tls void dmac_cpc_poll(void);
67 1.4.6.2 tls void dmac_bus_poll(enum dmac_channel); /* slow */
68 1.4.6.2 tls
69 1.4.6.2 tls /* misc */
70 1.4.6.2 tls void dmac_chcr_write(enum dmac_channel, u_int32_t);
71