The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/lpc/lpcvar.h

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    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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