projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 1da177e4 | 22 | #include <linux/init.h> |
| 65a77217 | 23 | #include <linux/module.h> |
| 1da177e4 LT |
24 | #include <sound/core.h> |
| 25 | #include <sound/initval.h> | |
| 26 | ||
| 27 | #include <sound/seq_kernel.h> | |
| 28 | #include "seq_clientmgr.h" | |
| 29 | #include "seq_memory.h" | |
| 30 | #include "seq_queue.h" | |
| 31 | #include "seq_lock.h" | |
| 32 | #include "seq_timer.h" | |
| 33 | #include "seq_system.h" | |
| 34 | #include "seq_info.h" | |
| 03cfe6f5 | 35 | #include <sound/minors.h> |
| 1da177e4 LT |
36 | #include <sound/seq_device.h> |
| 37 | ||
| 38 | #if defined(CONFIG_SND_SEQ_DUMMY_MODULE) | |
| aa1e77e6 | 39 | int seq_client_load[15] = {[0] = SNDRV_SEQ_CLIENT_DUMMY, [1 ... 14] = -1}; |
| 1da177e4 | 40 | #else |
| aa1e77e6 | 41 | int seq_client_load[15] = {[0 ... 14] = -1}; |
| 1da177e4 LT |
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; | |
| a4f508b2 | 46 | int seq_default_timer_device = |
| bbaf5e97 TI |
47 | #ifdef CONFIG_SND_SEQ_HRTIMER_DEFAULT |
| 48 | SNDRV_TIMER_GLOBAL_HRTIMER | |
| 49 | #elif defined(CONFIG_SND_SEQ_RTCTIMER_DEFAULT) | |
| a4f508b2 CL |
50 | SNDRV_TIMER_GLOBAL_RTC |
| 51 | #else | |
| 52 | SNDRV_TIMER_GLOBAL_SYSTEM | |
| 53 | #endif | |
| 54 | ; | |
| 1da177e4 LT |
55 | int seq_default_timer_subdevice = 0; |
| 56 | int seq_default_timer_resolution = 0; /* Hz */ | |
| 57 | ||
| c1017a4c | 58 | MODULE_AUTHOR("Frank van de Pol <fvdpol@coil.demon.nl>, Jaroslav Kysela <perex@perex.cz>"); |
| 1da177e4 LT |
59 | MODULE_DESCRIPTION("Advanced Linux Sound Architecture sequencer."); |
| 60 | MODULE_LICENSE("GPL"); | |
| 61 | ||
| 62 | module_param_array(seq_client_load, int, NULL, 0444); | |
| 63 | MODULE_PARM_DESC(seq_client_load, "The numbers of global (system) clients to load through kmod."); | |
| 64 | module_param(seq_default_timer_class, int, 0644); | |
| 65 | MODULE_PARM_DESC(seq_default_timer_class, "The default timer class."); | |
| 66 | module_param(seq_default_timer_sclass, int, 0644); | |
| 67 | MODULE_PARM_DESC(seq_default_timer_sclass, "The default timer slave class."); | |
| 68 | module_param(seq_default_timer_card, int, 0644); | |
| 69 | MODULE_PARM_DESC(seq_default_timer_card, "The default timer card number."); | |
| 70 | module_param(seq_default_timer_device, int, 0644); | |
| 71 | MODULE_PARM_DESC(seq_default_timer_device, "The default timer device number."); | |
| 72 | module_param(seq_default_timer_subdevice, int, 0644); | |
| 73 | MODULE_PARM_DESC(seq_default_timer_subdevice, "The default timer subdevice number."); | |
| 74 | module_param(seq_default_timer_resolution, int, 0644); | |
| 75 | MODULE_PARM_DESC(seq_default_timer_resolution, "The default timer resolution in Hz."); | |
| 76 | ||
| 03cfe6f5 KS |
77 | MODULE_ALIAS_CHARDEV(CONFIG_SND_MAJOR, SNDRV_MINOR_SEQUENCER); |
| 78 | MODULE_ALIAS("devname:snd/seq"); | |
| 79 | ||
| 1da177e4 LT |
80 | /* |
| 81 | * INIT PART | |
| 82 | */ | |
| 83 | ||
| 84 | static int __init alsa_seq_init(void) | |
| 85 | { | |
| 86 | int err; | |
| 87 | ||
| 88 | snd_seq_autoload_lock(); | |
| 89 | if ((err = client_init_data()) < 0) | |
| 90 | goto error; | |
| 91 | ||
| 92 | /* init memory, room for selected events */ | |
| 93 | if ((err = snd_sequencer_memory_init()) < 0) | |
| 94 | goto error; | |
| 95 | ||
| 96 | /* init event queues */ | |
| 97 | if ((err = snd_seq_queues_init()) < 0) | |
| 98 | goto error; | |
| 99 | ||
| 100 | /* register sequencer device */ | |
| 101 | if ((err = snd_sequencer_device_init()) < 0) | |
| 102 | goto error; | |
| 103 | ||
| 104 | /* register proc interface */ | |
| 105 | if ((err = snd_seq_info_init()) < 0) | |
| 106 | goto error; | |
| 107 | ||
| 108 | /* register our internal client */ | |
| 109 | if ((err = snd_seq_system_client_init()) < 0) | |
| 110 | goto error; | |
| 111 | ||
| 112 | error: | |
| 113 | snd_seq_autoload_unlock(); | |
| 114 | return err; | |
| 115 | } | |
| 116 | ||
| 117 | static void __exit alsa_seq_exit(void) | |
| 118 | { | |
| 119 | /* unregister our internal client */ | |
| 120 | snd_seq_system_client_done(); | |
| 121 | ||
| 122 | /* unregister proc interface */ | |
| 123 | snd_seq_info_done(); | |
| 124 | ||
| 125 | /* delete timing queues */ | |
| 126 | snd_seq_queues_delete(); | |
| 127 | ||
| 128 | /* unregister sequencer device */ | |
| 129 | snd_sequencer_device_done(); | |
| 130 | ||
| 131 | /* release event memory */ | |
| 132 | snd_sequencer_memory_done(); | |
| 133 | } | |
| 134 | ||
| 135 | module_init(alsa_seq_init) | |
| 136 | module_exit(alsa_seq_exit) |