1 /* 2 * ALSA sequencer /proc interface 3 * Copyright (c) 1998 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 <sound/core.h> 25 26 #include "seq_info.h" 27 #include "seq_clientmgr.h" 28 #include "seq_timer.h" 29 30 31 static snd_info_entry_t *queues_entry; 32 static snd_info_entry_t *clients_entry; 33 static snd_info_entry_t *timer_entry; 34 35 36 static snd_info_entry_t * __init 37 create_info_entry(char *name, int size, void (*read)(snd_info_entry_t *, snd_info_buffer_t *)) 38 { 39 snd_info_entry_t *entry; 40 41 entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root); 42 if (entry == NULL) 43 return NULL; 44 entry->content = SNDRV_INFO_CONTENT_TEXT; 45 entry->c.text.read_size = size; 46 entry->c.text.read = read; 47 if (snd_info_register(entry) < 0) { 48 snd_info_free_entry(entry); 49 return NULL; 50 } 51 return entry; 52 } 53 54 55 /* create all our /proc entries */ 56 int __init snd_seq_info_init(void) 57 { 58 queues_entry = create_info_entry("queues", 512 + (256 * SNDRV_SEQ_MAX_QUEUES), 59 snd_seq_info_queues_read); 60 clients_entry = create_info_entry("clients", 512 + (256 * SNDRV_SEQ_MAX_CLIENTS), 61 snd_seq_info_clients_read); 62 timer_entry = create_info_entry("timer", 1024, snd_seq_info_timer_read); 63 return 0; 64 } 65 66 int __exit snd_seq_info_done(void) 67 { 68 if (queues_entry) 69 snd_info_unregister(queues_entry); 70 if (clients_entry) 71 snd_info_unregister(clients_entry); 72 if (timer_entry) 73 snd_info_unregister(timer_entry); 74 return 0; 75 } 76