lpcvar.h revision 331722 
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: stable/11/sys/arm/lpc/lpcvar.h 331722 2018-03-29 02:50:57Z eadler $
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 */
37uint32_t lpc_pwr_read(device_t, int);
38void lpc_pwr_write(device_t, int, uint32_t);
39
40/* GPIO */
41void lpc_gpio_init(void);
42int lpc_gpio_set_flags(device_t, int, int);
43int lpc_gpio_set_state(device_t, int, int);
44int lpc_gpio_get_state(device_t, int, int *);
45
46/* DMA */
47struct 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
63int lpc_dmac_config_channel(device_t, int, struct lpc_dmac_channel_config *);
64int lpc_dmac_setup_transfer(device_t, int, bus_addr_t, bus_addr_t, bus_size_t, int);
65int lpc_dmac_enable_channel(device_t, int);
66int lpc_dmac_disable_channel(device_t, int);
67int lpc_dmac_start_burst(device_t, int);
68
69#endif	/* _ARM_LPC_LPCVAR_H */
70