Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/extres/hwreset/hwreset.h
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1 /*- 2 * Copyright 2016 Michal Meloun <mmel@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 ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #ifndef DEV_EXTRES_HWRESET_HWRESET_H 29 #define DEV_EXTRES_HWRESET_HWRESET_H 30 31 #include "opt_platform.h" 32 #include <sys/types.h> 33 #ifdef FDT 34 #include <dev/ofw/ofw_bus.h> 35 #endif 36 37 typedef struct hwreset *hwreset_t; 38 typedef struct hwreset_array *hwreset_array_t; 39 40 /* 41 * Provider interface 42 */ 43 #ifdef FDT 44 void hwreset_register_ofw_provider(device_t provider_dev); 45 void hwreset_unregister_ofw_provider(device_t provider_dev); 46 #endif 47 48 /* 49 * Consumer interface 50 */ 51 int hwreset_get_by_id(device_t consumer_dev, device_t provider_dev, intptr_t id, 52 hwreset_t *rst); 53 void hwreset_release(hwreset_t rst); 54 55 int hwreset_assert(hwreset_t rst); 56 int hwreset_deassert(hwreset_t rst); 57 int hwreset_is_asserted(hwreset_t rst, bool *value); 58 59 #ifdef FDT 60 int hwreset_get_by_ofw_name(device_t consumer_dev, phandle_t node, char *name, 61 hwreset_t *rst); 62 int hwreset_get_by_ofw_idx(device_t consumer_dev, phandle_t node, int idx, 63 hwreset_t *rst); 64 #endif 65 66 void hwreset_array_release(hwreset_array_t rsts); 67 int hwreset_array_assert(hwreset_array_t rsts); 68 int hwreset_array_deassert(hwreset_array_t rsts); 69 #ifdef FDT 70 int hwreset_array_get_ofw(device_t consumer_dev, phandle_t cnode, 71 hwreset_array_t *rsts); 72 #endif 73 74 75 #endif /* DEV_EXTRES_HWRESET_HWRESET_H */
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