[668] | 1 | //driver.c: |
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[0] | 2 | |
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[668] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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[0] | 24 | |
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| 25 | #include "roard.h" |
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| 26 | |
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| 27 | struct roar_driver g_driver[] = { |
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[911] | 28 | { "null", "null audio driver", "/dev/null", NULL, NULL, NULL, NULL, NULL, NULL, NULL}, |
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[0] | 29 | #ifdef ROAR_HAVE_ESD |
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[912] | 30 | { "esd", "EsounD audio driver", "localhost, remote.host.dom", NULL, driver_esd_close, driver_esd_pause, NULL, NULL, driver_esd_flush, driver_esd_open_vio}, |
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[0] | 31 | #endif |
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[951] | 32 | { "roar", "RoarAudio driver", "localhost, remote.host.dom", NULL, driver_roar_close, driver_roar_pause, NULL, NULL, driver_roar_flush, driver_roar_open_vio}, |
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[947] | 33 | { "raw", "RAW PCM driver", "/some/file", NULL, driver_raw_close, driver_roar_pause, NULL, NULL, driver_raw_flush, driver_raw_open_vio}, |
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[919] | 34 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
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[924] | 35 | #ifndef ROAR_DEFAULT_OSS_DEV |
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| 36 | #define ROAR_DEFAULT_OSS_DEV "no default device" |
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| 37 | #endif |
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[919] | 38 | { "oss", "Open Sound System", ROAR_DEFAULT_OSS_DEV, NULL, driver_oss_close, NULL, NULL, NULL, NULL, driver_oss_open}, |
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| 39 | #endif |
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[0] | 40 | #ifdef ROAR_HAVE_LIBAO |
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[958] | 41 | { "ao", "libao audio driver", "DRIVER", NULL, driver_ao_close, NULL, NULL, NULL, NULL, driver_ao_open_vio}, |
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[0] | 42 | #endif |
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[951] | 43 | #ifdef ROAR_HAVE_LIBSHOUT |
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| 44 | {"shout", "libshout streaming", "http://user:pw@host/mount.ogg", NULL, driver_shout_close, NULL, NULL, NULL, NULL, driver_shout_open_vio}, |
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| 45 | #endif |
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[911] | 46 | {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL} // end of list |
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[0] | 47 | }; |
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| 48 | |
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| 49 | void print_driverlist (void) { |
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| 50 | int i; |
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| 51 | |
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[975] | 52 | printf(" Driver Type - Description (devices)\n"); |
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| 53 | printf("------------------------------------------------------\n"); |
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| 54 | |
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[0] | 55 | for (i = 0; g_driver[i].name != NULL; i++) { |
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[947] | 56 | printf(" %-8s %c%c - %s (devices: %s)\n", g_driver[i].name, |
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| 57 | g_driver[i].open != NULL || (g_driver[i].open == NULL && g_driver[i].vio_init == NULL) ? 'S' : ' ', |
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| 58 | g_driver[i].vio_init != NULL || (g_driver[i].open == NULL && g_driver[i].vio_init == NULL) ? 'V' : ' ', |
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| 59 | g_driver[i].desc, g_driver[i].devices); |
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[0] | 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | int driver_open (DRIVER_USERDATA_T * inst, int * driver_id, char * driver, char * device, struct roar_audio_info * info) { |
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| 64 | int i; |
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| 65 | |
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| 66 | if ( driver == NULL ) |
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| 67 | driver = ROAR_DRIVER_DEFAULT; |
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| 68 | |
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| 69 | for (i = 0; g_driver[i].name != NULL; i++) { |
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| 70 | if ( strcmp(g_driver[i].name, driver) == 0 ) { |
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| 71 | ROAR_DBG("driver_open(*): found driver: id = %i", i); |
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| 72 | |
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| 73 | *driver_id = i; |
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| 74 | |
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[911] | 75 | if ( g_driver[i].vio_init != NULL ) { |
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| 76 | if ( (*inst = malloc(sizeof(struct roar_vio_calls))) == NULL ) |
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| 77 | return -1; |
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| 78 | |
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[912] | 79 | memset(*inst, 0, sizeof(struct roar_vio_calls)); |
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| 80 | |
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[930] | 81 | if ( (i = g_driver[i].vio_init(*inst, device, info, -1)) == -1 ) { |
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[911] | 82 | free(*inst); |
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| 83 | return -1; |
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| 84 | } |
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| 85 | return i; |
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| 86 | } |
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| 87 | |
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[944] | 88 | if ( g_driver[i].open ) { |
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| 89 | ROAR_WARN("driver_open(*): driver(%s) uses old non-vio interface!", driver); |
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| 90 | return g_driver[i].open(inst, device, info); |
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| 91 | } |
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[912] | 92 | |
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[0] | 93 | return 0; |
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| 94 | } |
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| 95 | } |
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| 96 | |
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| 97 | return -1; |
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| 98 | } |
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| 99 | |
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[931] | 100 | int driver_openvio(struct roar_vio_calls * calls, |
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| 101 | int * driver_id, char * driver /* NOTE: this is not part of struct roar_driver's def! */, |
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| 102 | char * device, struct roar_audio_info * info, int fh) { |
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| 103 | int i; |
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| 104 | |
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| 105 | if ( driver == NULL ) |
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| 106 | driver = ROAR_DRIVER_DEFAULT; |
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| 107 | |
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| 108 | for (i = 0; g_driver[i].name != NULL; i++) { |
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| 109 | if ( strcmp(g_driver[i].name, driver) == 0 ) { |
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| 110 | ROAR_DBG("driver_open(*): found driver: id = %i", i); |
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| 111 | |
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| 112 | *driver_id = i; |
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| 113 | |
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| 114 | if ( g_driver[i].vio_init == NULL ) { |
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[944] | 115 | if ( g_driver[i].open == NULL ) { // this is the null driver |
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| 116 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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| 117 | calls->read = roar_vio_null_rw; |
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| 118 | calls->write = roar_vio_null_rw; |
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| 119 | return 0; |
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| 120 | } |
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| 121 | |
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[931] | 122 | ROAR_WARN("driver_open(*): driver(%s) uses old non-vio interface!", driver); |
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| 123 | ROAR_ERR("driver_openvio(calls=%p, driver_id={%i}, driver='%s', device='%s', info=%p, fh=%i): not a VIO driver!", |
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| 124 | calls, i, driver, device, info, fh); |
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| 125 | return -1; |
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| 126 | } |
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| 127 | |
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| 128 | return g_driver[i].vio_init(calls, device, info, fh); |
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| 129 | } |
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| 130 | } |
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| 131 | return -1; |
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| 132 | } |
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| 133 | |
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[0] | 134 | int driver_close(DRIVER_USERDATA_T inst, int driver) { |
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[912] | 135 | int ret = 0; |
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[0] | 136 | ROAR_DBG("driver_close(inst=%p, driver=%i) = ?", inst, driver); |
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| 137 | |
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| 138 | if ( driver == -1 ) |
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| 139 | return -1; |
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| 140 | |
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| 141 | if ( g_driver[driver].close ) |
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[912] | 142 | ret = g_driver[driver].close(inst); |
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[0] | 143 | |
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[912] | 144 | if ( g_driver[driver].vio_init != NULL ) |
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| 145 | free(inst); |
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| 146 | |
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| 147 | return ret; |
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[0] | 148 | } |
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| 149 | |
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[937] | 150 | int driver_closevio(struct roar_vio_calls * calls, int driver) { |
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| 151 | ROAR_DBG("driver_closevio(calls=%p, driver=%i) = ?", calls, driver); |
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| 152 | |
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| 153 | if ( driver == -1 ) |
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| 154 | return -1; |
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| 155 | |
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| 156 | if ( g_driver[driver].close ) |
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| 157 | return g_driver[driver].close((DRIVER_USERDATA_T)calls); |
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| 158 | |
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| 159 | return 0; |
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| 160 | } |
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| 161 | |
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[0] | 162 | int driver_pause(DRIVER_USERDATA_T inst, int driver, int newstate) { |
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| 163 | if ( driver == -1 ) |
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| 164 | return -1; |
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| 165 | |
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| 166 | if ( g_driver[driver].pause ) |
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| 167 | return g_driver[driver].pause(inst, newstate); |
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| 168 | |
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| 169 | return 0; |
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| 170 | } |
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| 171 | |
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| 172 | int driver_write(DRIVER_USERDATA_T inst, int driver, char * buf, int len) { |
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| 173 | if ( driver == -1 ) |
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| 174 | return -1; |
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| 175 | |
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[911] | 176 | if ( g_driver[driver].vio_init != NULL ) |
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| 177 | return roar_vio_write((struct roar_vio_calls *) inst, buf, len); |
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| 178 | |
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[0] | 179 | if ( g_driver[driver].write ) |
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| 180 | return g_driver[driver].write(inst, buf, len); |
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| 181 | |
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| 182 | return 0; |
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| 183 | } |
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| 184 | |
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| 185 | int driver_read (DRIVER_USERDATA_T inst, int driver, char * buf, int len) { |
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| 186 | if ( driver == -1 ) |
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| 187 | return -1; |
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| 188 | |
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[911] | 189 | if ( g_driver[driver].vio_init != NULL ) |
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| 190 | return roar_vio_read((struct roar_vio_calls *) inst, buf, len); |
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| 191 | |
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[0] | 192 | if ( g_driver[driver].read ) |
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| 193 | return g_driver[driver].read(inst, buf, len); |
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| 194 | |
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| 195 | return 0; |
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| 196 | } |
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| 197 | |
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| 198 | int driver_flush(DRIVER_USERDATA_T inst, int driver) { |
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| 199 | if ( driver == -1 ) |
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| 200 | return -1; |
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| 201 | |
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| 202 | if ( g_driver[driver].flush ) |
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| 203 | return g_driver[driver].flush(inst); |
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| 204 | |
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| 205 | return 0; |
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| 206 | } |
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| 207 | |
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| 208 | //ll |
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