FreeBSD/Linux Kernel Cross Reference
sys/arm/lpc/lpcvar.h
1 /*-
2 * Copyright (c) 2011 Jakub Wojciech Klama <jceel@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/10.0/sys/arm/lpc/lpcvar.h 239278 2012-08-15 05:37:10Z gonzo $
27 */
28
29 #ifndef _ARM_LPC_LPCVAR_H
30 #define _ARM_LPC_LPCVAR_H
31
32 #include <sys/types.h>
33 #include <sys/bus.h>
34 #include <machine/bus.h>
35
36 /* Clocking and power control */
37 uint32_t lpc_pwr_read(device_t, int);
38 void lpc_pwr_write(device_t, int, uint32_t);
39
40 /* GPIO */
41 void platform_gpio_init(void);
42 int lpc_gpio_set_flags(device_t, int, int);
43 int lpc_gpio_set_state(device_t, int, int);
44 int lpc_gpio_get_state(device_t, int, int *);
45
46 /* DMA */
47 struct lpc_dmac_channel_config
48 {
49 int ldc_fcntl;
50 int ldc_src_periph;
51 int ldc_src_width;
52 int ldc_src_incr;
53 int ldc_src_burst;
54 int ldc_dst_periph;
55 int ldc_dst_width;
56 int ldc_dst_incr;
57 int ldc_dst_burst;
58 void (*ldc_success_handler)(void *);
59 void (*ldc_error_handler)(void *);
60 void * ldc_handler_arg;
61 };
62
63 int lpc_dmac_config_channel(device_t, int, struct lpc_dmac_channel_config *);
64 int lpc_dmac_setup_transfer(device_t, int, bus_addr_t, bus_addr_t, bus_size_t, int);
65 int lpc_dmac_enable_channel(device_t, int);
66 int lpc_dmac_disable_channel(device_t, int);
67 int lpc_dmac_start_burst(device_t, int);
68
69 #endif /* _ARM_LPC_LPCVAR_H */
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