1 /* 2 * ALSA sequencer main module 3 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> 4 * 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <sound/driver.h> 23 #include <linux/init.h> 24 #include <linux/moduleparam.h> 25 #include <sound/core.h> 26 #include <sound/initval.h> 27 28 #include <sound/seq_kernel.h> 29 #include "seq_clientmgr.h" 30 #include "seq_memory.h" 31 #include "seq_queue.h" 32 #include "seq_lock.h" 33 #include "seq_timer.h" 34 #include "seq_system.h" 35 #include "seq_info.h" 36 #include <sound/seq_device.h> 37 38 #if defined(CONFIG_SND_SEQ_DUMMY_MODULE) 39 int seq_client_load[15] = {[0] = SNDRV_SEQ_CLIENT_DUMMY, [1 ... 14] = -1}; 40 #else 41 int seq_client_load[15] = {[0 ... 14] = -1}; 42 #endif 43 int seq_default_timer_class = SNDRV_TIMER_CLASS_GLOBAL; 44 int seq_default_timer_sclass = SNDRV_TIMER_SCLASS_NONE; 45 int seq_default_timer_card = -1; 46 int seq_default_timer_device = 47 #ifdef CONFIG_SND_SEQ_RTCTIMER_DEFAULT 48 SNDRV_TIMER_GLOBAL_RTC 49 #else 50 SNDRV_TIMER_GLOBAL_SYSTEM 51 #endif 52 ; 53 int seq_default_timer_subdevice = 0; 54 int seq_default_timer_resolution = 0; /* Hz */ 55 56 MODULE_AUTHOR("Frank van de Pol <fvdpol@coil.demon.nl>, Jaroslav Kysela <perex@suse.cz>"); 57 MODULE_DESCRIPTION("Advanced Linux Sound Architecture sequencer."); 58 MODULE_LICENSE("GPL"); 59 60 module_param_array(seq_client_load, int, NULL, 0444); 61 MODULE_PARM_DESC(seq_client_load, "The numbers of global (system) clients to load through kmod."); 62 module_param(seq_default_timer_class, int, 0644); 63 MODULE_PARM_DESC(seq_default_timer_class, "The default timer class."); 64 module_param(seq_default_timer_sclass, int, 0644); 65 MODULE_PARM_DESC(seq_default_timer_sclass, "The default timer slave class."); 66 module_param(seq_default_timer_card, int, 0644); 67 MODULE_PARM_DESC(seq_default_timer_card, "The default timer card number."); 68 module_param(seq_default_timer_device, int, 0644); 69 MODULE_PARM_DESC(seq_default_timer_device, "The default timer device number."); 70 module_param(seq_default_timer_subdevice, int, 0644); 71 MODULE_PARM_DESC(seq_default_timer_subdevice, "The default timer subdevice number."); 72 module_param(seq_default_timer_resolution, int, 0644); 73 MODULE_PARM_DESC(seq_default_timer_resolution, "The default timer resolution in Hz."); 74 75 /* 76 * INIT PART 77 */ 78 79 static int __init alsa_seq_init(void) 80 { 81 int err; 82 83 snd_seq_autoload_lock(); 84 if ((err = client_init_data()) < 0) 85 goto error; 86 87 /* init memory, room for selected events */ 88 if ((err = snd_sequencer_memory_init()) < 0) 89 goto error; 90 91 /* init event queues */ 92 if ((err = snd_seq_queues_init()) < 0) 93 goto error; 94 95 /* register sequencer device */ 96 if ((err = snd_sequencer_device_init()) < 0) 97 goto error; 98 99 /* register proc interface */ 100 if ((err = snd_seq_info_init()) < 0) 101 goto error; 102 103 /* register our internal client */ 104 if ((err = snd_seq_system_client_init()) < 0) 105 goto error; 106 107 error: 108 snd_seq_autoload_unlock(); 109 return err; 110 } 111 112 static void __exit alsa_seq_exit(void) 113 { 114 /* unregister our internal client */ 115 snd_seq_system_client_done(); 116 117 /* unregister proc interface */ 118 snd_seq_info_done(); 119 120 /* delete timing queues */ 121 snd_seq_queues_delete(); 122 123 /* unregister sequencer device */ 124 snd_sequencer_device_done(); 125 126 /* release event memory */ 127 snd_sequencer_memory_done(); 128 } 129 130 module_init(alsa_seq_init) 131 module_exit(alsa_seq_exit) 132