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70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/*-
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* Copyright (c) 2011 Jakub Wojciech Klama <jceel@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _ARM_LPC_LPCVAR_H
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#define _ARM_LPC_LPCVAR_H
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#include <sys/types.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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/* Clocking and power control */
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uint32_t lpc_pwr_read(device_t, int);
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void lpc_pwr_write(device_t, int, uint32_t);
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/* GPIO */
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void lpc_gpio_init(void);
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int lpc_gpio_set_flags(device_t, int, int);
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int lpc_gpio_set_state(device_t, int, int);
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int lpc_gpio_get_state(device_t, int, int *);
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/* DMA */
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struct lpc_dmac_channel_config
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{
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int ldc_fcntl;
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int ldc_src_periph;
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int ldc_src_width;
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int ldc_src_incr;
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int ldc_src_burst;
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int ldc_dst_periph;
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int ldc_dst_width;
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int ldc_dst_incr;
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int ldc_dst_burst;
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void (*ldc_success_handler)(void *);
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void (*ldc_error_handler)(void *);
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void * ldc_handler_arg;
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};
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int lpc_dmac_config_channel(device_t, int, struct lpc_dmac_channel_config *);
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int lpc_dmac_setup_transfer(device_t, int, bus_addr_t, bus_addr_t, bus_size_t, int);
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int lpc_dmac_enable_channel(device_t, int);
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int lpc_dmac_disable_channel(device_t, int);
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int lpc_dmac_start_burst(device_t, int);
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#endif /* _ARM_LPC_LPCVAR_H */
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