diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 08:09:02 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 08:09:02 -0800 |
commit | 8f0cb147b2fb12427bf6abef7fed2b604557a41e (patch) | |
tree | fb5ba437ee74b900fab9686c8c7df18abcd7640b /sound/core | |
parent | 8e33ba49765484bc6de3a2f8143733713fa93bc1 (diff) | |
parent | b00e8443c3eece823052d06ae1c7cb797ab0ddf5 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
Diffstat (limited to 'sound/core')
-rw-r--r-- | sound/core/Kconfig | 6 | ||||
-rw-r--r-- | sound/core/Makefile | 3 | ||||
-rw-r--r-- | sound/core/control.c | 18 | ||||
-rw-r--r-- | sound/core/hwdep.c | 10 | ||||
-rw-r--r-- | sound/core/info.c | 2 | ||||
-rw-r--r-- | sound/core/init.c | 7 | ||||
-rw-r--r-- | sound/core/memory.c | 216 | ||||
-rw-r--r-- | sound/core/misc.c | 14 | ||||
-rw-r--r-- | sound/core/oss/mixer_oss.c | 62 | ||||
-rw-r--r-- | sound/core/oss/pcm_oss.c | 20 | ||||
-rw-r--r-- | sound/core/pcm.c | 3 | ||||
-rw-r--r-- | sound/core/pcm_lib.c | 5 | ||||
-rw-r--r-- | sound/core/pcm_native.c | 18 | ||||
-rw-r--r-- | sound/core/rawmidi.c | 12 | ||||
-rw-r--r-- | sound/core/rtctimer.c | 24 | ||||
-rw-r--r-- | sound/core/seq/seq_instr.c | 12 | ||||
-rw-r--r-- | sound/core/seq/seq_lock.c | 3 | ||||
-rw-r--r-- | sound/core/seq/seq_memory.c | 3 | ||||
-rw-r--r-- | sound/core/seq/seq_midi.c | 2 | ||||
-rw-r--r-- | sound/core/seq/seq_timer.c | 29 | ||||
-rw-r--r-- | sound/core/sound.c | 24 | ||||
-rw-r--r-- | sound/core/timer.c | 380 | ||||
-rw-r--r-- | sound/core/wrappers.c | 50 |
23 files changed, 358 insertions, 565 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 48cf45cfd0b..82718836f93 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -127,12 +127,6 @@ config SND_DEBUG help Say Y here to enable ALSA debug code. -config SND_DEBUG_MEMORY - bool "Debug memory" - depends on SND_DEBUG - help - Say Y here to enable debugging of memory allocations. - config SND_DEBUG_DETECT bool "Debug detection" depends on SND_DEBUG diff --git a/sound/core/Makefile b/sound/core/Makefile index 969d75528bd..5a01c76d02e 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -3,8 +3,7 @@ # Copyright (c) 1999,2001 by Jaroslav Kysela <perex@suse.cz> # -snd-objs := sound.o init.o memory.o info.o control.o misc.o \ - device.o wrappers.o +snd-objs := sound.o init.o memory.o info.o control.o misc.o device.o ifeq ($(CONFIG_ISA_DMA_API),y) snd-objs += isadma.o endif diff --git a/sound/core/control.c b/sound/core/control.c index 736edf358e0..212c46a9437 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -144,7 +144,7 @@ void snd_ctl_notify(snd_card_t *card, unsigned int mask, snd_ctl_elem_id_t *id) snd_ctl_file_t *ctl; snd_kctl_event_t *ev; - snd_runtime_check(card != NULL && id != NULL, return); + snd_assert(card != NULL && id != NULL, return); read_lock(&card->ctl_files_rwlock); #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) card->mixer_oss_change_count++; @@ -193,8 +193,8 @@ snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * control, unsigned int access) snd_kcontrol_t *kctl; unsigned int idx; - snd_runtime_check(control != NULL, return NULL); - snd_runtime_check(control->count > 0, return NULL); + snd_assert(control != NULL, return NULL); + snd_assert(control->count > 0, return NULL); kctl = kzalloc(sizeof(*kctl) + sizeof(snd_kcontrol_volatile_t) * control->count, GFP_KERNEL); if (kctl == NULL) return NULL; @@ -220,7 +220,7 @@ snd_kcontrol_t *snd_ctl_new1(const snd_kcontrol_new_t * ncontrol, void *private_ snd_kcontrol_t kctl; unsigned int access; - snd_runtime_check(ncontrol != NULL, return NULL); + snd_assert(ncontrol != NULL, return NULL); snd_assert(ncontrol->info != NULL, return NULL); memset(&kctl, 0, sizeof(kctl)); kctl.id.iface = ncontrol->iface; @@ -309,7 +309,7 @@ int snd_ctl_add(snd_card_t * card, snd_kcontrol_t * kcontrol) snd_ctl_elem_id_t id; unsigned int idx; - snd_runtime_check(card != NULL && kcontrol != NULL, return -EINVAL); + snd_assert(card != NULL && kcontrol != NULL, return -EINVAL); snd_assert(kcontrol->info != NULL, return -EINVAL); id = kcontrol->id; down_write(&card->controls_rwsem); @@ -355,7 +355,7 @@ int snd_ctl_remove(snd_card_t * card, snd_kcontrol_t * kcontrol) snd_ctl_elem_id_t id; unsigned int idx; - snd_runtime_check(card != NULL && kcontrol != NULL, return -EINVAL); + snd_assert(card != NULL && kcontrol != NULL, return -EINVAL); list_del(&kcontrol->list); card->controls_count -= kcontrol->count; id = kcontrol->id; @@ -468,7 +468,7 @@ snd_kcontrol_t *snd_ctl_find_numid(snd_card_t * card, unsigned int numid) struct list_head *list; snd_kcontrol_t *kctl; - snd_runtime_check(card != NULL && numid != 0, return NULL); + snd_assert(card != NULL && numid != 0, return NULL); list_for_each(list, &card->controls) { kctl = snd_kcontrol(list); if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid) @@ -494,7 +494,7 @@ snd_kcontrol_t *snd_ctl_find_id(snd_card_t * card, snd_ctl_elem_id_t *id) struct list_head *list; snd_kcontrol_t *kctl; - snd_runtime_check(card != NULL && id != NULL, return NULL); + snd_assert(card != NULL && id != NULL, return NULL); if (id->numid != 0) return snd_ctl_find_numid(card, id->numid); list_for_each(list, &card->controls) { @@ -1215,7 +1215,7 @@ static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn, struct list_head struct list_head *list; snd_kctl_ioctl_t *p; - snd_runtime_check(fcn != NULL, return -EINVAL); + snd_assert(fcn != NULL, return -EINVAL); down_write(&snd_ioctl_rwsem); list_for_each(list, lists) { p = list_entry(list, snd_kctl_ioctl_t, list); diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 9383f1294fb..e91cee35a4b 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -81,20 +81,16 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) int err; wait_queue_t wait; - switch (major) { - case CONFIG_SND_MAJOR: + if (major == snd_major) { cardnum = SNDRV_MINOR_CARD(iminor(inode)); device = SNDRV_MINOR_DEVICE(iminor(inode)) - SNDRV_MINOR_HWDEP; - break; #ifdef CONFIG_SND_OSSEMUL - case SOUND_MAJOR: + } else if (major == SOUND_MAJOR) { cardnum = SNDRV_MINOR_OSS_CARD(iminor(inode)); device = 0; - break; #endif - default: + } else return -ENXIO; - } cardnum %= SNDRV_CARDS; device %= SNDRV_MINOR_HWDEPS; hw = snd_hwdep_devices[(cardnum * SNDRV_MINOR_HWDEPS) + device]; diff --git a/sound/core/info.c b/sound/core/info.c index 37024d68a26..39f9b97d921 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -566,7 +566,6 @@ int __init snd_info_init(void) } #endif snd_info_version_init(); - snd_memory_info_init(); snd_minor_info_init(); snd_minor_info_oss_init(); snd_card_info_init(); @@ -578,7 +577,6 @@ int __exit snd_info_done(void) snd_card_info_done(); snd_minor_info_oss_done(); snd_minor_info_done(); - snd_memory_info_done(); snd_info_version_done(); if (snd_proc_root) { #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE) diff --git a/sound/core/init.c b/sound/core/init.c index 41e224986f3..d9ee27ae9a5 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -420,7 +420,7 @@ int snd_card_register(snd_card_t * card) int err; snd_info_entry_t *entry; - snd_runtime_check(card != NULL, return -EINVAL); + snd_assert(card != NULL, return -EINVAL); if ((err = snd_device_register_all(card)) < 0) return err; write_lock(&snd_card_rwlock); @@ -524,7 +524,8 @@ int __init snd_card_info_init(void) snd_info_entry_t *entry; entry = snd_info_create_module_entry(THIS_MODULE, "cards", NULL); - snd_runtime_check(entry != NULL, return -ENOMEM); + if (! entry) + return -ENOMEM; entry->c.text.read_size = PAGE_SIZE; entry->c.text.read = snd_card_info_read; if (snd_info_register(entry) < 0) { @@ -840,7 +841,7 @@ static int snd_generic_resume(struct device *dev) card = get_snd_generic_card(dev); if (card->power_state == SNDRV_CTL_POWER_D0) return 0; - if (card->pm_suspend) + if (card->pm_resume) card->pm_resume(card); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; diff --git a/sound/core/memory.c b/sound/core/memory.c index 7d8e2eebba5..862d62d2e14 100644 --- a/sound/core/memory.c +++ b/sound/core/memory.c @@ -1,7 +1,7 @@ /* * Copyright (c) by Jaroslav Kysela <perex@suse.cz> * - * Memory allocation helpers. + * Misc memory accessors * * * This program is free software; you can redistribute it and/or modify @@ -20,221 +20,9 @@ * */ -#include <sound/driver.h> +#include <linux/config.h> #include <asm/io.h> #include <asm/uaccess.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/time.h> -#include <linux/pci.h> -#include <sound/core.h> -#include <sound/info.h> - -/* - * memory allocation helpers and debug routines - */ - -#ifdef CONFIG_SND_DEBUG_MEMORY - -struct snd_alloc_track { - unsigned long magic; - void *caller; - size_t size; - struct list_head list; - long data[0]; -}; - -#define snd_alloc_track_entry(obj) (struct snd_alloc_track *)((char*)obj - (unsigned long)((struct snd_alloc_track *)0)->data) - -static long snd_alloc_kmalloc; -static long snd_alloc_vmalloc; -static LIST_HEAD(snd_alloc_kmalloc_list); -static LIST_HEAD(snd_alloc_vmalloc_list); -static DEFINE_SPINLOCK(snd_alloc_kmalloc_lock); -static DEFINE_SPINLOCK(snd_alloc_vmalloc_lock); -#define KMALLOC_MAGIC 0x87654321 -#define VMALLOC_MAGIC 0x87654320 -static snd_info_entry_t *snd_memory_info_entry; - -void __init snd_memory_init(void) -{ - snd_alloc_kmalloc = 0; - snd_alloc_vmalloc = 0; -} - -void snd_memory_done(void) -{ - struct list_head *head; - struct snd_alloc_track *t; - - if (snd_alloc_kmalloc > 0) - snd_printk(KERN_ERR "Not freed snd_alloc_kmalloc = %li\n", snd_alloc_kmalloc); - if (snd_alloc_vmalloc > 0) - snd_printk(KERN_ERR "Not freed snd_alloc_vmalloc = %li\n", snd_alloc_vmalloc); - list_for_each_prev(head, &snd_alloc_kmalloc_list) { - t = list_entry(head, struct snd_alloc_track, list); - if (t->magic != KMALLOC_MAGIC) { - snd_printk(KERN_ERR "Corrupted kmalloc\n"); - break; - } - snd_printk(KERN_ERR "kmalloc(%ld) from %p not freed\n", (long) t->size, t->caller); - } - list_for_each_prev(head, &snd_alloc_vmalloc_list) { - t = list_entry(head, struct snd_alloc_track, list); - if (t->magic != VMALLOC_MAGIC) { - snd_printk(KERN_ERR "Corrupted vmalloc\n"); - break; - } - snd_printk(KERN_ERR "vmalloc(%ld) from %p not freed\n", (long) t->size, t->caller); - } -} - -static void *__snd_kmalloc(size_t size, gfp_t flags, void *caller) -{ - unsigned long cpu_flags; - struct snd_alloc_track *t; - void *ptr; - - ptr = snd_wrapper_kmalloc(size + sizeof(struct snd_alloc_track), flags); - if (ptr != NULL) { - t = (struct snd_alloc_track *)ptr; - t->magic = KMALLOC_MAGIC; - t->caller = caller; - spin_lock_irqsave(&snd_alloc_kmalloc_lock, cpu_flags); - list_add_tail(&t->list, &snd_alloc_kmalloc_list); - spin_unlock_irqrestore(&snd_alloc_kmalloc_lock, cpu_flags); - t->size = size; - snd_alloc_kmalloc += size; - ptr = t->data; - } - return ptr; -} - -#define _snd_kmalloc(size, flags) __snd_kmalloc((size), (flags), __builtin_return_address(0)); -void *snd_hidden_kmalloc(size_t size, gfp_t flags) -{ - return _snd_kmalloc(size, flags); -} - -void *snd_hidden_kzalloc(size_t size, gfp_t flags) -{ - void *ret = _snd_kmalloc(size, flags); - if (ret) - memset(ret, 0, size); - return ret; -} -EXPORT_SYMBOL(snd_hidden_kzalloc); - -void *snd_hidden_kcalloc(size_t n, size_t size, gfp_t flags) -{ - void *ret = NULL; - if (n != 0 && size > INT_MAX / n) - return ret; - return snd_hidden_kzalloc(n * size, flags); -} - -void snd_hidden_kfree(const void *obj) -{ - unsigned long flags; - struct snd_alloc_track *t; - if (obj == NULL) - return; - t = snd_alloc_track_entry(obj); - if (t->magic != KMALLOC_MAGIC) { - snd_printk(KERN_WARNING "bad kfree (called from %p)\n", __builtin_return_address(0)); - return; - } - spin_lock_irqsave(&snd_alloc_kmalloc_lock, flags); - list_del(&t->list); - spin_unlock_irqrestore(&snd_alloc_kmalloc_lock, flags); - t->magic = 0; - snd_alloc_kmalloc -= t->size; - obj = t; - snd_wrapper_kfree(obj); -} - -void *snd_hidden_vmalloc(unsigned long size) -{ - void *ptr; - ptr = snd_wrapper_vmalloc(size + sizeof(struct snd_alloc_track)); - if (ptr) { - struct snd_alloc_track *t = (struct snd_alloc_track *)ptr; - t->magic = VMALLOC_MAGIC; - t->caller = __builtin_return_address(0); - spin_lock(&snd_alloc_vmalloc_lock); - list_add_tail(&t->list, &snd_alloc_vmalloc_list); - spin_unlock(&snd_alloc_vmalloc_lock); - t->size = size; - snd_alloc_vmalloc += size; - ptr = t->data; - } - return ptr; -} - -void snd_hidden_vfree(void *obj) -{ - struct snd_alloc_track *t; - if (obj == NULL) - return; - t = snd_alloc_track_entry(obj); - if (t->magic != VMALLOC_MAGIC) { - snd_printk(KERN_ERR "bad vfree (called from %p)\n", __builtin_return_address(0)); - return; - } - spin_lock(&snd_alloc_vmalloc_lock); - list_del(&t->list); - spin_unlock(&snd_alloc_vmalloc_lock); - t->magic = 0; - snd_alloc_vmalloc -= t->size; - obj = t; - snd_wrapper_vfree(obj); -} - -char *snd_hidden_kstrdup(const char *s, gfp_t flags) -{ - int len; - char *buf; - - if (!s) return NULL; - - len = strlen(s) + 1; - buf = _snd_kmalloc(len, flags); - if (buf) - memcpy(buf, s, len); - return buf; -} - -static void snd_memory_info_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer) -{ - snd_iprintf(buffer, "kmalloc: %li bytes\n", snd_alloc_kmalloc); - snd_iprintf(buffer, "vmalloc: %li bytes\n", snd_alloc_vmalloc); -} - -int __init snd_memory_info_init(void) -{ - snd_info_entry_t *entry; - - entry = snd_info_create_module_entry(THIS_MODULE, "meminfo", NULL); - if (entry) { - entry->c.text.read_size = 256; - entry->c.text.read = snd_memory_info_read; - if (snd_info_register(entry) < 0) { - snd_info_free_entry(entry); - entry = NULL; - } - } - snd_memory_info_entry = entry; - return 0; -} - -int __exit snd_memory_info_done(void) -{ - if (snd_memory_info_entry) - snd_info_unregister(snd_memory_info_entry); - return 0; -} - -#endif /* CONFIG_SND_DEBUG_MEMORY */ /** * copy_to_user_fromio - copy data from mmio-space to user-space diff --git a/sound/core/misc.c b/sound/core/misc.c index 1a81fe4df21..b53e563c09e 100644 --- a/sound/core/misc.c +++ b/sound/core/misc.c @@ -23,17 +23,15 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/time.h> +#include <linux/ioport.h> #include <sound/core.h> -int snd_task_name(struct task_struct *task, char *name, size_t size) +void release_and_free_resource(struct resource *res) { - unsigned int idx; - - snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL); - for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++) - name[idx] = task->comm[idx]; - name[idx] = '\0'; - return 0; + if (res) { + release_resource(res); + kfree(res); + } } #ifdef CONFIG_SND_VERBOSE_PRINTK diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 69e1059112d..214933cf5d4 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -521,9 +521,13 @@ static void snd_mixer_oss_get_volume1_vol(snd_mixer_oss_file_t *fmixer, uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); if (uinfo == NULL || uctl == NULL) goto __unalloc; - snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc); - snd_runtime_check(!kctl->get(kctl, uctl), goto __unalloc); - snd_runtime_check(uinfo->type != SNDRV_CTL_ELEM_TYPE_BOOLEAN || uinfo->value.integer.min != 0 || uinfo->value.integer.max != 1, goto __unalloc); + if (kctl->info(kctl, uinfo)) + goto __unalloc; + if (kctl->get(kctl, uctl)) + goto __unalloc; + if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN && + uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1) + goto __unalloc; *left = snd_mixer_oss_conv1(uctl->value.integer.value[0], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[0]); if (uinfo->count > 1) *right = snd_mixer_oss_conv1(uctl->value.integer.value[1], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[1]); @@ -555,8 +559,10 @@ static void snd_mixer_oss_get_volume1_sw(snd_mixer_oss_file_t *fmixer, uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); if (uinfo == NULL || uctl == NULL) goto __unalloc; - snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc); - snd_runtime_check(!kctl->get(kctl, uctl), goto __unalloc); + if (kctl->info(kctl, uinfo)) + goto __unalloc; + if (kctl->get(kctl, uctl)) + goto __unalloc; if (!uctl->value.integer.value[0]) { *left = 0; if (uinfo->count == 1) @@ -616,12 +622,16 @@ static void snd_mixer_oss_put_volume1_vol(snd_mixer_oss_file_t *fmixer, uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); if (uinfo == NULL || uctl == NULL) goto __unalloc; - snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc); - snd_runtime_check(uinfo->type != SNDRV_CTL_ELEM_TYPE_BOOLEAN || uinfo->value.integer.min != 0 || uinfo->value.integer.max != 1, goto __unalloc); + if (kctl->info(kctl, uinfo)) + goto __unalloc; + if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN && + uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1) + goto __unalloc; uctl->value.integer.value[0] = snd_mixer_oss_conv2(left, uinfo->value.integer.min, uinfo->value.integer.max); if (uinfo->count > 1) uctl->value.integer.value[1] = snd_mixer_oss_conv2(right, uinfo->value.integer.min, uinfo->value.integer.max); - snd_runtime_check((res = kctl->put(kctl, uctl)) >= 0, goto __unalloc); + if ((res = kctl->put(kctl, uctl)) < 0) + goto __unalloc; if (res > 0) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); __unalloc: @@ -653,7 +663,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer, uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); if (uinfo == NULL || uctl == NULL) goto __unalloc; - snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc); + if (kctl->info(kctl, uinfo)) + goto __unalloc; if (uinfo->count > 1) { uctl->value.integer.value[0] = left > 0 ? 1 : 0; uctl->value.integer.value[route ? 3 : 1] = right > 0 ? 1 : 0; @@ -664,7 +675,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer, } else { uctl->value.integer.value[0] = (left > 0 || right > 0) ? 1 : 0; } - snd_runtime_check((res = kctl->put(kctl, uctl)) >= 0, goto __unalloc); + if ((res = kctl->put(kctl, uctl)) < 0) + goto __unalloc; if (res > 0) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); __unalloc: @@ -776,9 +788,14 @@ static int snd_mixer_oss_get_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int } down_read(&card->controls_rwsem); kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0); - snd_runtime_check(kctl != NULL, err = -ENOENT; goto __unlock); - snd_runtime_check(!(err = kctl->info(kctl, uinfo)), goto __unlock); - snd_runtime_check(!(err = kctl->get(kctl, uctl)), goto __unlock); + if (! kctl) { + err = -ENOENT; + goto __unlock; + } + if ((err = kctl->info(kctl, uinfo)) < 0) + goto __unlock; + if ((err = kctl->get(kctl, uctl)) < 0) + goto __unlock; for (idx = 0; idx < 32; idx++) { if (!(mixer->mask_recsrc & (1 << idx))) continue; @@ -821,8 +838,12 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int } down_read(&card->controls_rwsem); kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0); - snd_runtime_check(kctl != NULL, err = -ENOENT; goto __unlock); - snd_runtime_check(!(err = kctl->info(kctl, uinfo)), goto __unlock); + if (! kctl) { + err = -ENOENT; + goto __unlock; + } + if ((err = kctl->info(kctl, uinfo)) < 0) + goto __unlock; for (idx = 0; idx < 32; idx++) { if (!(mixer->mask_recsrc & (1 << idx))) continue; @@ -836,10 +857,11 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int break; slot = NULL; } - snd_runtime_check(slot != NULL, goto __unlock); + if (! slot) + goto __unlock; for (idx = 0; idx < uinfo->count; idx++) uctl->value.enumerated.item[idx] = slot->capture_item; - snd_runtime_check((err = kctl->put(kctl, uctl)) >= 0, ); + err = kctl->put(kctl, uctl); if (err > 0) snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); err = 0; @@ -1008,7 +1030,8 @@ static int snd_mixer_oss_build_input(snd_mixer_oss_t *mixer, struct snd_mixer_os up_read(&mixer->card->controls_rwsem); if (slot.present != 0) { pslot = (struct slot *)kmalloc(sizeof(slot), GFP_KERNEL); - snd_runtime_check(pslot != NULL, return -ENOMEM); + if (! pslot) + return -ENOMEM; *pslot = slot; pslot->signature = SNDRV_MIXER_OSS_SIGNATURE; pslot->assigned = ptr; @@ -1271,7 +1294,8 @@ static int snd_mixer_oss_notify_handler(snd_card_t * card, int cmd) card, 0, &snd_mixer_oss_reg, name)) < 0) { - snd_printk("unable to register OSS mixer device %i:%i\n", card->number, 0); + snd_printk(KERN_ERR "unable to register OSS mixer device %i:%i\n", + card->number, 0); kfree(mixer); return err; } diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 842c28b2ed5..bcc97075913 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -1821,6 +1821,17 @@ static int snd_pcm_oss_open_file(struct file *file, } +static int snd_task_name(struct task_struct *task, char *name, size_t size) +{ + unsigned int idx; + + snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL); + for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++) + name[idx] = task->comm[idx]; + name[idx] = '\0'; + return 0; +} + static int snd_pcm_oss_open(struct inode *inode, struct file *file) { int minor = iminor(inode); @@ -2446,7 +2457,8 @@ static void register_oss_dsp(snd_pcm_t *pcm, int index) if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM, pcm->card, index, &snd_pcm_oss_reg, name) < 0) { - snd_printk("unable to register OSS PCM device %i:%i\n", pcm->card->number, pcm->device); + snd_printk(KERN_ERR "unable to register OSS PCM device %i:%i\n", + pcm->card->number, pcm->device); } } @@ -2528,11 +2540,13 @@ static int __init alsa_pcm_oss_init(void) /* check device map table */ for (i = 0; i < SNDRV_CARDS; i++) { if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_PCM_DEVICES) { - snd_printk("invalid dsp_map[%d] = %d\n", i, dsp_map[i]); + snd_printk(KERN_ERR "invalid dsp_map[%d] = %d\n", + i, dsp_map[i]); dsp_map[i] = 0; } if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_PCM_DEVICES) { - snd_printk("invalid adsp_map[%d] = %d\n", i, adsp_map[i]); + snd_printk(KERN_ERR "invalid adsp_map[%d] = %d\n", + i, adsp_map[i]); adsp_map[i] = 1; } } diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 1be470e942e..184e74b75ba 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -273,7 +273,8 @@ static void snd_pcm_proc_info_read(snd_pcm_substream_t *substream, snd_info_buff snd_pcm_info_t *info; int err; - snd_runtime_check(substream, return); + if (! substream) + return; info = kmalloc(sizeof(*info), GFP_KERNEL); if (! info) { diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 0503980c23d..3dbf9bf2ac1 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -152,13 +152,12 @@ static inline snd_pcm_uframes_t snd_pcm_update_hw_ptr_pos(snd_pcm_substream_t *s if (pos == SNDRV_PCM_POS_XRUN) return pos; /* XRUN */ if (runtime->tstamp_mode & SNDRV_PCM_TSTAMP_MMAP) - snd_timestamp_now((snd_timestamp_t*)&runtime->status->tstamp, runtime->tstamp_timespec); + getnstimeofday((struct timespec *)&runtime->status->tstamp); #ifdef CONFIG_SND_DEBUG if (pos >= runtime->buffer_size) { snd_printk(KERN_ERR "BUG: stream = %i, pos = 0x%lx, buffer size = 0x%lx, period size = 0x%lx\n", substream->stream, pos, runtime->buffer_size, runtime->period_size); - } else + } #endif - snd_runtime_check(pos < runtime->buffer_size, return 0); pos -= pos % runtime->min_align; return pos; } diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index e97b2d162cc..16e252f5495 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -565,9 +565,9 @@ int snd_pcm_status(snd_pcm_substream_t *substream, if (runtime->tstamp_mode & SNDRV_PCM_TSTAMP_MMAP) status->tstamp = runtime->status->tstamp; else - snd_timestamp_now(&status->tstamp, runtime->tstamp_timespec); + getnstimeofday(&status->tstamp); } else - snd_timestamp_now(&status->tstamp, runtime->tstamp_timespec); + getnstimeofday(&status->tstamp); status->appl_ptr = runtime->control->appl_ptr; status->hw_ptr = runtime->status->hw_ptr; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { @@ -652,7 +652,7 @@ static void snd_pcm_trigger_tstamp(snd_pcm_substream_t *substream) if (runtime->trigger_master == NULL) return; if (runtime->trigger_master == substream) { - snd_timestamp_now(&runtime->trigger_tstamp, runtime->tstamp_timespec); + getnstimeofday(&runtime->trigger_tstamp); } else { snd_pcm_trigger_tstamp(runtime->trigger_master); runtime->trigger_tstamp = runtime->trigger_master->runtime->trigger_tstamp; @@ -1522,7 +1522,6 @@ static int snd_pcm_drop(snd_pcm_substream_t *substream) /* WARNING: Don't forget to fput back the file */ -extern int snd_major; static struct file *snd_pcm_file_fd(int fd) { struct file *file; @@ -2053,7 +2052,8 @@ static int snd_pcm_open(struct inode *inode, struct file *file) snd_pcm_file_t *pcm_file; wait_queue_t wait; - snd_runtime_check(device >= SNDRV_MINOR_PCM_PLAYBACK && device < SNDRV_MINOR_DEVICES, return -ENXIO); + if (device < SNDRV_MINOR_PCM_PLAYBACK || device >= SNDRV_MINOR_DEVICES) + return -ENXIO; pcm = snd_pcm_devices[(cardnum * SNDRV_PCM_DEVICES) + (device % SNDRV_MINOR_PCMS)]; if (pcm == NULL) { err = -ENODEV; @@ -2445,14 +2445,8 @@ static int snd_pcm_common_ioctl1(snd_pcm_substream_t *substream, return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0; case SNDRV_PCM_IOCTL_INFO: return snd_pcm_info_user(substream, arg); - case SNDRV_PCM_IOCTL_TSTAMP: - { - int xarg; - if (get_user(xarg, (int __user *)arg)) - return -EFAULT; - substream->runtime->tstamp_timespec = xarg ? 1 : 0; + case SNDRV_PCM_IOCTL_TSTAMP: /* just for compatibility */ return 0; - } case SNDRV_PCM_IOCTL_HW_REFINE: return snd_pcm_hw_refine_user(substream, arg); case SNDRV_PCM_IOCTL_HW_PARAMS: diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 7c20eafecb8..d033e61c05c 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -378,24 +378,20 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) struct list_head *list; snd_ctl_file_t *kctl; - switch (maj) { - case CONFIG_SND_MAJOR: + if (maj == snd_major) { cardnum = SNDRV_MINOR_CARD(iminor(inode)); cardnum %= SNDRV_CARDS; device = SNDRV_MINOR_DEVICE(iminor(inode)) - SNDRV_MINOR_RAWMIDI; device %= SNDRV_MINOR_RAWMIDIS; - break; #ifdef CONFIG_SND_OSSEMUL - case SOUND_MAJOR: + } else if (maj == SOUND_MAJOR) { cardnum = SNDRV_MINOR_OSS_CARD(iminor(inode)); cardnum %= SNDRV_CARDS; device = SNDRV_MINOR_OSS_DEVICE(iminor(inode)) == SNDRV_MINOR_OSS_MIDI ? midi_map[cardnum] : amidi_map[cardnum]; - break; #endif - default: + } else return -ENXIO; - } rmidi = snd_rawmidi_devices[(cardnum * SNDRV_RAWMIDI_DEVICES) + device]; if (rmidi == NULL) @@ -411,7 +407,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) if (err < 0) return -ENODEV; fflags = snd_rawmidi_file_flags(file); - if ((file->f_flags & O_APPEND) || maj != CONFIG_SND_MAJOR) /* OSS emul? */ + if ((file->f_flags & O_APPEND) || maj == SOUND_MAJOR) /* OSS emul? */ fflags |= SNDRV_RAWMIDI_LFLG_APPEND; fflags |= SNDRV_RAWMIDI_LFLG_NOOPENLOCK; rawmidi_file = kmalloc(sizeof(*rawmidi_file), GFP_KERNEL); diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c index bd5d584d284..c3c18568207 100644 --- a/sound/core/rtctimer.c +++ b/sound/core/rtctimer.c @@ -60,7 +60,6 @@ static struct _snd_timer_hardware rtc_hw = { static int rtctimer_freq = RTC_FREQ; /* frequency */ static snd_timer_t *rtctimer; -static atomic_t rtc_inc = ATOMIC_INIT(0); static rtc_task_t rtc_task; @@ -94,7 +93,6 @@ rtctimer_start(snd_timer_t *timer) snd_assert(rtc != NULL, return -EINVAL); rtc_control(rtc, RTC_IRQP_SET, rtctimer_freq); rtc_control(rtc, RTC_PIE_ON, 0); - atomic_set(&rtc_inc, 0); return 0; } @@ -112,12 +110,7 @@ rtctimer_stop(snd_timer_t *timer) */ static void rtctimer_interrupt(void *private_data) { - int ticks; - - atomic_inc(&rtc_inc); - ticks = atomic_read(&rtc_inc); - snd_timer_interrupt((snd_timer_t*)private_data, ticks); - atomic_sub(ticks, &rtc_inc); + snd_timer_interrupt(private_data, 1); } @@ -126,17 +119,13 @@ static void rtctimer_interrupt(void *private_data) */ static int __init rtctimer_init(void) { - int order, err; + int err; snd_timer_t *timer; - if (rtctimer_freq < 2 || rtctimer_freq > 8192) { - snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq); - return -EINVAL; - } - for (order = 1; rtctimer_freq > order; order <<= 1) - ; - if (rtctimer_freq != order) { - snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq); + if (rtctimer_freq < 2 || rtctimer_freq > 8192 || + (rtctimer_freq & (rtctimer_freq - 1)) != 0) { + snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", + rtctimer_freq); return -EINVAL; } @@ -145,6 +134,7 @@ static int __init rtctimer_init(void) if (err < 0) return err; + timer->module = THIS_MODULE; strcpy(timer->name, "RTC timer"); timer->hw = rtc_hw; timer->hw.resolution = NANO_SEC / rtctimer_freq; diff --git a/sound/core/seq/seq_instr.c b/sound/core/seq/seq_instr.c index 019d43a462d..1d525b13ebb 100644 --- a/sound/core/seq/seq_instr.c +++ b/sound/core/seq/seq_instr.c @@ -109,8 +109,7 @@ void snd_seq_instr_list_free(snd_seq_kinstr_list_t **list_ptr) spin_lock_irqsave(&list->lock, flags); while (instr->use) { spin_unlock_irqrestore(&list->lock, flags); - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_interruptible(1); spin_lock_irqsave(&list->lock, flags); } spin_unlock_irqrestore(&list->lock, flags); @@ -199,10 +198,8 @@ int snd_seq_instr_list_free_cond(snd_seq_kinstr_list_t *list, while (flist) { instr = flist; flist = instr->next; - while (instr->use) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + while (instr->use) + schedule_timeout_interruptible(1); if (snd_seq_instr_free(instr, atomic)<0) snd_printk(KERN_WARNING "instrument free problem\n"); instr = next; @@ -554,8 +551,7 @@ static int instr_free(snd_seq_kinstr_ops_t *ops, instr->ops->notify(instr->ops->private_data, instr, SNDRV_SEQ_INSTR_NOTIFY_REMOVE); while (instr->use) { spin_unlock_irqrestore(&list->lock, flags); - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_interruptible(1); spin_lock_irqsave(&list->lock, flags); } spin_unlock_irqrestore(&list->lock, flags); diff --git a/sound/core/seq/seq_lock.c b/sound/core/seq/seq_lock.c index b09cee058fa..a837a94b2d2 100644 --- a/sound/core/seq/seq_lock.c +++ b/sound/core/seq/seq_lock.c @@ -39,8 +39,7 @@ void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line) snd_printk(KERN_WARNING "seq_lock: timeout [%d left] in %s:%d\n", atomic_read(lockp), file, line); break; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); max_count--; } } diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c index d4d7d326c4b..8416bcffa09 100644 --- a/sound/core/seq/seq_memory.c +++ b/sound/core/seq/seq_memory.c @@ -423,8 +423,7 @@ int snd_seq_pool_done(pool_t *pool) snd_printk(KERN_WARNING "snd_seq_pool_done timeout: %d cells remain\n", atomic_read(&pool->counter)); break; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); max_count--; } diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c index b4674ae3bc3..f89f40f4487 100644 --- a/sound/core/seq/seq_midi.c +++ b/sound/core/seq/seq_midi.c @@ -449,11 +449,9 @@ snd_seq_midisynth_unregister_port(snd_seq_device_t *dev) client->ports_per_device[device] = 0; msynth = client->ports[device]; client->ports[device] = NULL; - snd_runtime_check(msynth != NULL || ports <= 0, goto __skip); for (p = 0; p < ports; p++) snd_seq_midisynth_delete(&msynth[p]); kfree(msynth); - __skip: client->num_ports--; if (client->num_ports <= 0) { snd_seq_delete_kernel_client(client->seq_client); diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c index b57a3c07ff6..65b64a7c456 100644 --- a/sound/core/seq/seq_timer.c +++ b/sound/core/seq/seq_timer.c @@ -34,10 +34,15 @@ extern int seq_default_timer_device; extern int seq_default_timer_subdevice; extern int seq_default_timer_resolution; +/* allowed sequencer timer frequencies, in Hz */ +#define MIN_FREQUENCY 10 +#define MAX_FREQUENCY 6250 +#define DEFAULT_FREQUENCY 1000 + #define SKEW_BASE 0x10000 /* 16bit shift */ static void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick, - int tempo, int ppq, int nticks) + int tempo, int ppq) { if (tempo < 1000000) tick->resolution = (tempo * 1000) / ppq; @@ -51,7 +56,6 @@ static void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick, } if (tick->resolution <= 0) tick->resolution = 1; - tick->resolution *= nticks; snd_seq_timer_update_tick(tick, 0); } @@ -100,7 +104,7 @@ void snd_seq_timer_defaults(seq_timer_t * tmr) /* setup defaults */ tmr->ppq = 96; /* 96 PPQ */ tmr->tempo = 500000; /* 120 BPM */ - snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq, 1); + snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq); tmr->running = 0; tmr->type = SNDRV_SEQ_TIMER_ALSA; @@ -183,7 +187,7 @@ int snd_seq_timer_set_tempo(seq_timer_t * tmr, int tempo) spin_lock_irqsave(&tmr->lock, flags); if ((unsigned int)tempo != tmr->tempo) { tmr->tempo = tempo; - snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq, 1); + snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq); } spin_unlock_irqrestore(&tmr->lock, flags); return 0; @@ -207,7 +211,7 @@ int snd_seq_timer_set_ppq(seq_timer_t * tmr, int ppq) } tmr->ppq = ppq; - snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq, 1); + snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq); spin_unlock_irqrestore(&tmr->lock, flags); return 0; } @@ -326,17 +330,26 @@ int snd_seq_timer_stop(seq_timer_t * tmr) static int initialize_timer(seq_timer_t *tmr) { snd_timer_t *t; + unsigned long freq; + t = tmr->timeri->timer; snd_assert(t, return -EINVAL); + freq = tmr->preferred_resolution; + if (!freq) + freq = DEFAULT_FREQUENCY; + else if (freq < MIN_FREQUENCY) + freq = MIN_FREQUENCY; + else if (freq > MAX_FREQUENCY) + freq = MAX_FREQUENCY; + tmr->ticks = 1; - if (tmr->preferred_resolution && - ! (t->hw.flags & SNDRV_TIMER_HW_SLAVE)) { + if (!(t->hw.flags & SNDRV_TIMER_HW_SLAVE)) { unsigned long r = t->hw.resolution; if (! r && t->hw.c_resolution) r = t->hw.c_resolution(t); if (r) { - tmr->ticks = (unsigned int)(1000000000uL / (r * tmr->preferred_resolution)); + tmr->ticks = (unsigned int)(1000000000uL / (r * freq)); if (! tmr->ticks) tmr->ticks = 1; } diff --git a/sound/core/sound.c b/sound/core/sound.c index b57519a3e3d..1139dd8ca8e 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -130,7 +130,7 @@ static int snd_open(struct inode *inode, struct file *file) struct file_operations *old_fops; int err = 0; - if (dev != SNDRV_MINOR_SEQUENCER && dev != SNDRV_MINOR_TIMER) { + if (dev != SNDRV_MINOR_GLOBAL) { if (snd_cards[card] == NULL) { #ifdef CONFIG_KMOD snd_request_card(card); @@ -287,7 +287,7 @@ static void snd_minor_info_read(snd_info_entry_t *entry, snd_info_buffer_t * buf for (card = 0; card < SNDRV_CARDS; card++) { list_for_each(list, &snd_minors_hash[card]) { mptr = list_entry(list, snd_minor_t, list); - if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_SEQUENCER) { + if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_GLOBAL) { if ((device = mptr->device) >= 0) snd_iprintf(buffer, "%3i: [%i-%2i]: %s\n", mptr->number, card, device, mptr->comment); else @@ -350,9 +350,7 @@ static int __init alsa_sound_init(void) devfs_remove("snd"); return -EIO; } - snd_memory_init(); if (snd_info_init() < 0) { - snd_memory_done(); unregister_chrdev(major, "alsa"); devfs_remove("snd"); return -ENOMEM; @@ -381,7 +379,6 @@ static void __exit alsa_sound_exit(void) #endif snd_info_minor_unregister(); snd_info_done(); - snd_memory_done(); if (unregister_chrdev(major, "alsa") != 0) snd_printk(KERN_ERR "unable to unregister major device number %d\n", major); devfs_remove("snd"); @@ -403,14 +400,6 @@ EXPORT_SYMBOL(snd_register_oss_device); EXPORT_SYMBOL(snd_unregister_oss_device); #endif /* memory.c */ -#ifdef CONFIG_SND_DEBUG_MEMORY -EXPORT_SYMBOL(snd_hidden_kmalloc); -EXPORT_SYMBOL(snd_hidden_kcalloc); -EXPORT_SYMBOL(snd_hidden_kfree); -EXPORT_SYMBOL(snd_hidden_vmalloc); -EXPORT_SYMBOL(snd_hidden_vfree); -EXPORT_SYMBOL(snd_hidden_kstrdup); -#endif EXPORT_SYMBOL(copy_to_user_fromio); EXPORT_SYMBOL(copy_from_user_toio); /* init.c */ @@ -487,17 +476,10 @@ EXPORT_SYMBOL(snd_ctl_unregister_ioctl_compat); EXPORT_SYMBOL(snd_ctl_elem_read); EXPORT_SYMBOL(snd_ctl_elem_write); /* misc.c */ -EXPORT_SYMBOL(snd_task_name); +EXPORT_SYMBOL(release_and_free_resource); #ifdef CONFIG_SND_VERBOSE_PRINTK EXPORT_SYMBOL(snd_verbose_printk); #endif #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK) EXPORT_SYMBOL(snd_verbose_printd); #endif - /* wrappers */ -#ifdef CONFIG_SND_DEBUG_MEMORY -EXPORT_SYMBOL(snd_wrapper_kmalloc); -EXPORT_SYMBOL(snd_wrapper_kfree); -EXPORT_SYMBOL(snd_wrapper_vmalloc); -EXPORT_SYMBOL(snd_wrapper_vfree); -#endif diff --git a/sound/core/timer.c b/sound/core/timer.c index 22b10462408..1b90a38d10f 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -55,7 +55,7 @@ MODULE_PARM_DESC(timer_limit, "Maximum global timers in system."); typedef struct { snd_timer_instance_t *timeri; - int tread; /* enhanced read with timestamps and events */ + int tread; /* enhanced read with timestamps and events */ unsigned long ticks; unsigned long overrun; int qhead; @@ -95,7 +95,8 @@ static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left); * create a timer instance with the given owner string. * when timer is not NULL, increments the module counter */ -static snd_timer_instance_t *snd_timer_instance_new(char *owner, snd_timer_t *timer) +static snd_timer_instance_t *snd_timer_instance_new(char *owner, + snd_timer_t *timer) { snd_timer_instance_t *timeri; timeri = kzalloc(sizeof(*timeri), GFP_KERNEL); @@ -113,7 +114,7 @@ static snd_timer_instance_t *snd_timer_instance_new(char *owner, snd_timer_t *ti INIT_LIST_HEAD(&timeri->slave_active_head); timeri->timer = timer; - if (timer && timer->card && !try_module_get(timer->card->module)) { + if (timer && !try_module_get(timer->module)) { kfree(timeri->owner); kfree(timeri); return NULL; @@ -131,7 +132,7 @@ static snd_timer_t *snd_timer_find(snd_timer_id_t *tid) struct list_head *p; list_for_each(p, &snd_timer_list) { - timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + timer = list_entry(p, snd_timer_t, device_list); if (timer->tmr_class != tid->dev_class) continue; @@ -186,13 +187,14 @@ static void snd_timer_check_slave(snd_timer_instance_t *slave) /* FIXME: it's really dumb to look up all entries.. */ list_for_each(p, &snd_timer_list) { - timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + timer = list_entry(p, snd_timer_t, device_list); list_for_each(q, &timer->open_list_head) { - master = (snd_timer_instance_t *)list_entry(q, snd_timer_instance_t, open_list); + master = list_entry(q, snd_timer_instance_t, open_list); if (slave->slave_class == master->slave_class && slave->slave_id == master->slave_id) { list_del(&slave->open_list); - list_add_tail(&slave->open_list, &master->slave_list_head); + list_add_tail(&slave->open_list, + &master->slave_list_head); spin_lock_irq(&slave_active_lock); slave->master = master; slave->timer = master->timer; @@ -216,7 +218,7 @@ static void snd_timer_check_master(snd_timer_instance_t *master) /* check all pending slaves */ list_for_each_safe(p, n, &snd_timer_slave_list) { - slave = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, open_list); + slave = list_entry(p, snd_timer_instance_t, open_list); if (slave->slave_class == master->slave_class && slave->slave_id == master->slave_id) { list_del(p); @@ -225,7 +227,8 @@ static void snd_timer_check_master(snd_timer_instance_t *master) slave->master = master; slave->timer = master->timer; if (slave->flags & SNDRV_TIMER_IFLG_RUNNING) - list_add_tail(&slave->active_list, &master->slave_active_head); + list_add_tail(&slave->active_list, + &master->slave_active_head); spin_unlock_irq(&slave_active_lock); } } @@ -241,7 +244,7 @@ int snd_timer_open(snd_timer_instance_t **ti, { snd_timer_t *timer; snd_timer_instance_t *timeri = NULL; - + if (tid->dev_class == SNDRV_TIMER_CLASS_SLAVE) { /* open a slave instance */ if (tid->dev_sclass <= SNDRV_TIMER_SCLASS_NONE || @@ -251,6 +254,10 @@ int snd_timer_open(snd_timer_instance_t **ti, } down(®ister_mutex); timeri = snd_timer_instance_new(owner, NULL); + if (!timeri) { + up(®ister_mutex); + return -ENOMEM; + } timeri->slave_class = tid->dev_sclass; timeri->slave_id = tid->device; timeri->flags |= SNDRV_TIMER_IFLG_SLAVE; @@ -272,33 +279,36 @@ int snd_timer_open(snd_timer_instance_t **ti, timer = snd_timer_find(tid); } #endif - if (timer) { - if (!list_empty(&timer->open_list_head)) { - timeri = (snd_timer_instance_t *)list_entry(timer->open_list_head.next, snd_timer_instance_t, open_list); - if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) { - up(®ister_mutex); - return -EBUSY; - } - } - timeri = snd_timer_instance_new(owner, timer); - if (timeri) { - timeri->slave_class = tid->dev_sclass; - timeri->slave_id = slave_id; - if (list_empty(&timer->open_list_head) && timer->hw.open) - timer->hw.open(timer); - list_add_tail(&timeri->open_list, &timer->open_list_head); - snd_timer_check_master(timeri); - } - } else { + if (!timer) { up(®ister_mutex); return -ENODEV; } + if (!list_empty(&timer->open_list_head)) { + timeri = list_entry(timer->open_list_head.next, + snd_timer_instance_t, open_list); + if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) { + up(®ister_mutex); + return -EBUSY; + } + } + timeri = snd_timer_instance_new(owner, timer); + if (!timeri) { + up(®ister_mutex); + return -ENOMEM; + } + timeri->slave_class = tid->dev_sclass; + timeri->slave_id = slave_id; + if (list_empty(&timer->open_list_head) && timer->hw.open) + timer->hw.open(timer); + list_add_tail(&timeri->open_list, &timer->open_list_head); + snd_timer_check_master(timeri); up(®ister_mutex); *ti = timeri; return 0; } -static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sndrv_timer_event event); +static int _snd_timer_stop(snd_timer_instance_t * timeri, + int keep_flag, enum sndrv_timer_event event); /* * close a timer instance @@ -338,11 +348,12 @@ int snd_timer_close(snd_timer_instance_t * timeri) spin_unlock_irq(&timer->lock); down(®ister_mutex); list_del(&timeri->open_list); - if (timer && list_empty(&timer->open_list_head) && timer->hw.close) + if (timer && list_empty(&timer->open_list_head) && + timer->hw.close) timer->hw.close(timer); /* remove slave links */ list_for_each_safe(p, n, &timeri->slave_list_head) { - slave = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, open_list); + slave = list_entry(p, snd_timer_instance_t, open_list); spin_lock_irq(&slave_active_lock); _snd_timer_stop(slave, 1, SNDRV_TIMER_EVENT_RESOLUTION); list_del(p); @@ -357,8 +368,8 @@ int snd_timer_close(snd_timer_instance_t * timeri) timeri->private_free(timeri); kfree(timeri->owner); kfree(timeri); - if (timer && timer->card) - module_put(timer->card->module); + if (timer) + module_put(timer->module); return 0; } @@ -376,7 +387,8 @@ unsigned long snd_timer_resolution(snd_timer_instance_t * timeri) return 0; } -static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event event) +static void snd_timer_notify1(snd_timer_instance_t *ti, + enum sndrv_timer_event event) { snd_timer_t *timer; unsigned long flags; @@ -385,9 +397,11 @@ static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event e struct list_head *n; struct timespec tstamp; - snd_timestamp_now(&tstamp, 1); - snd_assert(event >= SNDRV_TIMER_EVENT_START && event <= SNDRV_TIMER_EVENT_PAUSE, return); - if (event == SNDRV_TIMER_EVENT_START || event == SNDRV_TIMER_EVENT_CONTINUE) + getnstimeofday(&tstamp); + snd_assert(event >= SNDRV_TIMER_EVENT_START && + event <= SNDRV_TIMER_EVENT_PAUSE, return); + if (event == SNDRV_TIMER_EVENT_START || + event == SNDRV_TIMER_EVENT_CONTINUE) resolution = snd_timer_resolution(ti); if (ti->ccallback) ti->ccallback(ti, SNDRV_TIMER_EVENT_START, &tstamp, resolution); @@ -400,14 +414,15 @@ static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event e return; spin_lock_irqsave(&timer->lock, flags); list_for_each(n, &ti->slave_active_head) { - ts = (snd_timer_instance_t *)list_entry(n, snd_timer_instance_t, active_list); + ts = list_entry(n, snd_timer_instance_t, active_list); if (ts->ccallback) ts->ccallback(ti, event + 100, &tstamp, resolution); } spin_unlock_irqrestore(&timer->lock, flags); } -static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri, unsigned long sticks) +static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri, + unsigned long sticks) { list_del(&timeri->active_list); list_add_tail(&timeri->active_list, &timer->active_list_head); @@ -434,14 +449,15 @@ static int snd_timer_start_slave(snd_timer_instance_t *timeri) spin_lock_irqsave(&slave_active_lock, flags); timeri->flags |= SNDRV_TIMER_IFLG_RUNNING; if (timeri->master) - list_add_tail(&timeri->active_list, &timeri->master->slave_active_head); + list_add_tail(&timeri->active_list, + &timeri->master->slave_active_head); spin_unlock_irqrestore(&slave_active_lock, flags); return 1; /* delayed start */ } /* * start the timer instance - */ + */ int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks) { snd_timer_t *timer; @@ -467,7 +483,8 @@ int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks) return result; } -static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sndrv_timer_event event) +static int _snd_timer_stop(snd_timer_instance_t * timeri, + int keep_flag, enum sndrv_timer_event event) { snd_timer_t *timer; unsigned long flags; @@ -501,7 +518,8 @@ static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sn } } if (!keep_flag) - timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING|SNDRV_TIMER_IFLG_START); + timeri->flags &= + ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START); spin_unlock_irqrestore(&timer->lock, flags); __end: if (event != SNDRV_TIMER_EVENT_RESOLUTION) @@ -578,7 +596,7 @@ static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left) struct list_head *p; list_for_each(p, &timer->active_list_head) { - ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, active_list); + ti = list_entry(p, snd_timer_instance_t, active_list); if (ti->flags & SNDRV_TIMER_IFLG_START) { ti->flags &= ~SNDRV_TIMER_IFLG_START; ti->flags |= SNDRV_TIMER_IFLG_RUNNING; @@ -615,11 +633,11 @@ static void snd_timer_tasklet(unsigned long arg) /* now process all callbacks */ while (!list_empty(&timer->sack_list_head)) { p = timer->sack_list_head.next; /* get first item */ - ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, ack_list); + ti = list_entry(p, snd_timer_instance_t, ack_list); /* remove from ack_list and make empty */ list_del_init(p); - + ticks = ti->pticks; ti->pticks = 0; resolution = ti->resolution; @@ -644,7 +662,7 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left) { snd_timer_instance_t *ti, *ts; unsigned long resolution, ticks; - struct list_head *p, *q, *n; + struct list_head *p, *q, *n, *ack_list_head; int use_tasklet = 0; if (timer == NULL) @@ -659,11 +677,12 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left) resolution = timer->hw.resolution; /* loop for all active instances - * here we cannot use list_for_each because the active_list of a processed - * instance is relinked to done_list_head before callback is called. + * Here we cannot use list_for_each because the active_list of a + * processed instance is relinked to done_list_head before the callback + * is called. */ list_for_each_safe(p, n, &timer->active_list_head) { - ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, active_list); + ti = list_entry(p, snd_timer_instance_t, active_list); if (!(ti->flags & SNDRV_TIMER_IFLG_RUNNING)) continue; ti->pticks += ticks_left; @@ -681,26 +700,19 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left) if (--timer->running) list_del(p); } - if (list_empty(&ti->ack_list)) { - if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) || - (ti->flags & SNDRV_TIMER_IFLG_FAST)) { - list_add_tail(&ti->ack_list, &timer->ack_list_head); - } else { - list_add_tail(&ti->ack_list, &timer->sack_list_head); - } - } + if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) || + (ti->flags & SNDRV_TIMER_IFLG_FAST)) + ack_list_head = &timer->ack_list_head; + else + ack_list_head = &timer->sack_list_head; + if (list_empty(&ti->ack_list)) + list_add_tail(&ti->ack_list, ack_list_head); list_for_each(q, &ti->slave_active_head) { - ts = (snd_timer_instance_t *)list_entry(q, snd_timer_instance_t, active_list); + ts = list_entry(q, snd_timer_instance_t, active_list); ts->pticks = ti->pticks; ts->resolution = resolution; - if (list_empty(&ts->ack_list)) { - if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) || - (ti->flags & SNDRV_TIMER_IFLG_FAST)) { - list_add_tail(&ts->ack_list, &timer->ack_list_head); - } else { - list_add_tail(&ts->ack_list, &timer->sack_list_head); - } - } + if (list_empty(&ts->ack_list)) + list_add_tail(&ts->ack_list, ack_list_head); } } if (timer->flags & SNDRV_TIMER_FLG_RESCHED) @@ -723,11 +735,11 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left) /* now process all fast callbacks */ while (!list_empty(&timer->ack_list_head)) { p = timer->ack_list_head.next; /* get first item */ - ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, ack_list); - + ti = list_entry(p, snd_timer_instance_t, ack_list); + /* remove from ack_list and make empty */ list_del_init(p); - + ticks = ti->pticks; ti->pticks = 0; @@ -751,7 +763,8 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left) */ -int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t ** rtimer) +int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, + snd_timer_t **rtimer) { snd_timer_t *timer; int err; @@ -779,9 +792,12 @@ int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t * INIT_LIST_HEAD(&timer->ack_list_head); INIT_LIST_HEAD(&timer->sack_list_head); spin_lock_init(&timer->lock); - tasklet_init(&timer->task_queue, snd_timer_tasklet, (unsigned long)timer); + tasklet_init(&timer->task_queue, snd_timer_tasklet, + (unsigned long)timer); if (card != NULL) { - if ((err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops)) < 0) { + timer->module = card->module; + err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops); + if (err < 0) { snd_timer_free(timer); return err; } @@ -811,14 +827,15 @@ static int snd_timer_dev_register(snd_device_t *dev) snd_timer_t *timer1; struct list_head *p; - snd_assert(timer != NULL && timer->hw.start != NULL && timer->hw.stop != NULL, return -ENXIO); + snd_assert(timer != NULL && timer->hw.start != NULL && + timer->hw.stop != NULL, return -ENXIO); if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) && !timer->hw.resolution && timer->hw.c_resolution == NULL) return -EINVAL; down(®ister_mutex); list_for_each(p, &snd_timer_list) { - timer1 = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + timer1 = list_entry(p, snd_timer_t, device_list); if (timer1->tmr_class > timer->tmr_class) break; if (timer1->tmr_class < timer->tmr_class) @@ -857,7 +874,7 @@ static int snd_timer_unregister(snd_timer_t *timer) snd_printk(KERN_WARNING "timer 0x%lx is busy?\n", (long)timer); list_for_each_safe(p, n, &timer->open_list_head) { list_del_init(p); - ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, open_list); + ti = list_entry(p, snd_timer_instance_t, open_list); ti->timer = NULL; } } @@ -872,15 +889,18 @@ static int snd_timer_dev_unregister(snd_device_t *device) return snd_timer_unregister(timer); } -void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct timespec *tstamp) +void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, + struct timespec *tstamp) { unsigned long flags; unsigned long resolution = 0; snd_timer_instance_t *ti, *ts; struct list_head *p, *n; - snd_runtime_check(timer->hw.flags & SNDRV_TIMER_HW_SLAVE, return); - snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && event <= SNDRV_TIMER_EVENT_MRESUME, return); + if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)) + return; + snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && + event <= SNDRV_TIMER_EVENT_MRESUME, return); spin_lock_irqsave(&timer->lock, flags); if (event == SNDRV_TIMER_EVENT_MSTART || event == SNDRV_TIMER_EVENT_MCONTINUE || @@ -891,11 +911,11 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t resolution = timer->hw.resolution; } list_for_each(p, &timer->active_list_head) { - ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, active_list); + ti = list_entry(p, snd_timer_instance_t, active_list); if (ti->ccallback) ti->ccallback(ti, event, tstamp, resolution); list_for_each(n, &ti->slave_active_head) { - ts = (snd_timer_instance_t *)list_entry(n, snd_timer_instance_t, active_list); + ts = list_entry(n, snd_timer_instance_t, active_list); if (ts->ccallback) ts->ccallback(ts, event, tstamp, resolution); } @@ -909,7 +929,7 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t int snd_timer_global_new(char *id, int device, snd_timer_t **rtimer) { snd_timer_id_t tid; - + tid.dev_class = SNDRV_TIMER_CLASS_GLOBAL; tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; tid.card = -1; @@ -937,7 +957,7 @@ int snd_timer_global_unregister(snd_timer_t *timer) return snd_timer_unregister(timer); } -/* +/* * System timer */ @@ -1013,7 +1033,8 @@ static int snd_timer_register_system(void) struct snd_timer_system_private *priv; int err; - if ((err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer)) < 0) + err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer); + if (err < 0) return err; strcpy(timer->name, "system timer"); timer->hw = snd_timer_system; @@ -1044,33 +1065,41 @@ static void snd_timer_proc_read(snd_info_entry_t *entry, down(®ister_mutex); list_for_each(p, &snd_timer_list) { - timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + timer = list_entry(p, snd_timer_t, device_list); switch (timer->tmr_class) { case SNDRV_TIMER_CLASS_GLOBAL: snd_iprintf(buffer, "G%i: ", timer->tmr_device); break; case SNDRV_TIMER_CLASS_CARD: - snd_iprintf(buffer, "C%i-%i: ", timer->card->number, timer->tmr_device); + snd_iprintf(buffer, "C%i-%i: ", + timer->card->number, timer->tmr_device); break; case SNDRV_TIMER_CLASS_PCM: - snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number, timer->tmr_device, timer->tmr_subdevice); + snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number, + timer->tmr_device, timer->tmr_subdevice); break; default: - snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class, timer->card ? timer->card->number : -1, timer->tmr_device, timer->tmr_subdevice); + snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class, + timer->card ? timer->card->number : -1, + timer->tmr_device, timer->tmr_subdevice); } snd_iprintf(buffer, "%s :", timer->name); if (timer->hw.resolution) - snd_iprintf(buffer, " %lu.%03luus (%lu ticks)", timer->hw.resolution / 1000, timer->hw.resolution % 1000, timer->hw.ticks); + snd_iprintf(buffer, " %lu.%03luus (%lu ticks)", + timer->hw.resolution / 1000, + timer->hw.resolution % 1000, + timer->hw.ticks); if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE) snd_iprintf(buffer, " SLAVE"); snd_iprintf(buffer, "\n"); spin_lock_irqsave(&timer->lock, flags); list_for_each(q, &timer->open_list_head) { - ti = (snd_timer_instance_t *)list_entry(q, snd_timer_instance_t, open_list); - snd_iprintf(buffer, " Client %s : %s : lost interrupts %li\n", - ti->owner ? ti->owner : "unknown", - ti->flags & (SNDRV_TIMER_IFLG_START|SNDRV_TIMER_IFLG_RUNNING) ? "running" : "stopped", - ti->lost); + ti = list_entry(q, snd_timer_instance_t, open_list); + snd_iprintf(buffer, " Client %s : %s\n", + ti->owner ? ti->owner : "unknown", + ti->flags & (SNDRV_TIMER_IFLG_START | + SNDRV_TIMER_IFLG_RUNNING) + ? "running" : "stopped"); } spin_unlock_irqrestore(&timer->lock, flags); } @@ -1088,7 +1117,7 @@ static void snd_timer_user_interrupt(snd_timer_instance_t *timeri, snd_timer_user_t *tu = timeri->callback_data; snd_timer_read_t *r; int prev; - + spin_lock(&tu->qlock); if (tu->qused > 0) { prev = tu->qtail == 0 ? tu->queue_size - 1 : tu->qtail - 1; @@ -1113,7 +1142,8 @@ static void snd_timer_user_interrupt(snd_timer_instance_t *timeri, wake_up(&tu->qchange_sleep); } -static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu, snd_timer_tread_t *tread) +static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu, + snd_timer_tread_t *tread) { if (tu->qused >= tu->queue_size) { tu->overrun++; @@ -1132,7 +1162,8 @@ static void snd_timer_user_ccallback(snd_timer_instance_t *timeri, snd_timer_user_t *tu = timeri->callback_data; snd_timer_tread_t r1; - if (event >= SNDRV_TIMER_EVENT_START && event <= SNDRV_TIMER_EVENT_PAUSE) + if (event >= SNDRV_TIMER_EVENT_START && + event <= SNDRV_TIMER_EVENT_PAUSE) tu->tstamp = *tstamp; if ((tu->filter & (1 << event)) == 0 || !tu->tread) return; @@ -1155,15 +1186,17 @@ static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri, struct timespec tstamp; int prev, append = 0; - snd_timestamp_zero(&tstamp); + memset(&tstamp, 0, sizeof(tstamp)); spin_lock(&tu->qlock); - if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION)|(1 << SNDRV_TIMER_EVENT_TICK))) == 0) { + if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION) | + (1 << SNDRV_TIMER_EVENT_TICK))) == 0) { spin_unlock(&tu->qlock); return; } if (tu->last_resolution != resolution || ticks > 0) - snd_timestamp_now(&tstamp, 1); - if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) && tu->last_resolution != resolution) { + getnstimeofday(&tstamp); + if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) && + tu->last_resolution != resolution) { r1.event = SNDRV_TIMER_EVENT_RESOLUTION; r1.tstamp = tstamp; r1.val = resolution; @@ -1201,7 +1234,7 @@ static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri, static int snd_timer_user_open(struct inode *inode, struct file *file) { snd_timer_user_t *tu; - + tu = kzalloc(sizeof(*tu), GFP_KERNEL); if (tu == NULL) return -ENOMEM; @@ -1210,7 +1243,8 @@ static int snd_timer_user_open(struct inode *inode, struct file *file) init_MUTEX(&tu->tread_sem); tu->ticks = 1; tu->queue_size = 128; - tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL); + tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t), + GFP_KERNEL); if (tu->queue == NULL) { kfree(tu); return -ENOMEM; @@ -1259,7 +1293,7 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid) snd_timer_id_t id; snd_timer_t *timer; struct list_head *p; - + if (copy_from_user(&id, _tid, sizeof(id))) return -EFAULT; down(®ister_mutex); @@ -1267,7 +1301,8 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid) if (list_empty(&snd_timer_list)) snd_timer_user_zero_id(&id); else { - timer = (snd_timer_t *)list_entry(snd_timer_list.next, snd_timer_t, device_list); + timer = list_entry(snd_timer_list.next, + snd_timer_t, device_list); snd_timer_user_copy_id(&id, timer); } } else { @@ -1275,7 +1310,7 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid) case SNDRV_TIMER_CLASS_GLOBAL: id.device = id.device < 0 ? 0 : id.device + 1; list_for_each(p, &snd_timer_list) { - timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + timer = list_entry(p, snd_timer_t, device_list); if (timer->tmr_class > SNDRV_TIMER_CLASS_GLOBAL) { snd_timer_user_copy_id(&id, timer); break; @@ -1299,12 +1334,16 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid) if (id.device < 0) { id.device = 0; } else { - id.subdevice = id.subdevice < 0 ? 0 : id.subdevice + 1; + if (id.subdevice < 0) { + id.subdevice = 0; + } else { + id.subdevice++; + } } } } list_for_each(p, &snd_timer_list) { - timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + timer = list_entry(p, snd_timer_t, device_list); if (timer->tmr_class > id.dev_class) { snd_timer_user_copy_id(&id, timer); break; @@ -1343,9 +1382,10 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid) if (copy_to_user(_tid, &id, sizeof(*_tid))) return -EFAULT; return 0; -} +} -static int snd_timer_user_ginfo(struct file *file, snd_timer_ginfo_t __user *_ginfo) +static int snd_timer_user_ginfo(struct file *file, + snd_timer_ginfo_t __user *_ginfo) { snd_timer_ginfo_t *ginfo; snd_timer_id_t tid; @@ -1389,7 +1429,8 @@ static int snd_timer_user_ginfo(struct file *file, snd_timer_ginfo_t __user *_gi return err; } -static int snd_timer_user_gparams(struct file *file, snd_timer_gparams_t __user *_gparams) +static int snd_timer_user_gparams(struct file *file, + snd_timer_gparams_t __user *_gparams) { snd_timer_gparams_t gparams; snd_timer_t *t; @@ -1399,23 +1440,26 @@ static int snd_timer_user_gparams(struct file *file, snd_timer_gparams_t __user return -EFAULT; down(®ister_mutex); t = snd_timer_find(&gparams.tid); - if (t != NULL) { - if (list_empty(&t->open_list_head)) { - if (t->hw.set_period) - err = t->hw.set_period(t, gparams.period_num, gparams.period_den); - else - err = -ENOSYS; - } else { - err = -EBUSY; - } - } else { + if (!t) { err = -ENODEV; + goto _error; + } + if (!list_empty(&t->open_list_head)) { + err = -EBUSY; + goto _error; } + if (!t->hw.set_period) { + err = -ENOSYS; + goto _error; + } + err = t->hw.set_period(t, gparams.period_num, gparams.period_den); +_error: up(®ister_mutex); return err; } -static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user *_gstatus) +static int snd_timer_user_gstatus(struct file *file, + snd_timer_gstatus_t __user *_gstatus) { snd_timer_gstatus_t gstatus; snd_timer_id_t tid; @@ -1435,7 +1479,8 @@ static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user else gstatus.resolution = t->hw.resolution; if (t->hw.precise_resolution) { - t->hw.precise_resolution(t, &gstatus.resolution_num, &gstatus.resolution_den); + t->hw.precise_resolution(t, &gstatus.resolution_num, + &gstatus.resolution_den); } else { gstatus.resolution_num = gstatus.resolution; gstatus.resolution_den = 1000000000uL; @@ -1449,13 +1494,14 @@ static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user return err; } -static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *_tselect) +static int snd_timer_user_tselect(struct file *file, + snd_timer_select_t __user *_tselect) { snd_timer_user_t *tu; snd_timer_select_t tselect; char str[32]; int err = 0; - + tu = file->private_data; down(&tu->tread_sem); if (tu->timeri) { @@ -1469,7 +1515,8 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user * sprintf(str, "application %i", current->pid); if (tselect.id.dev_class != SNDRV_TIMER_CLASS_SLAVE) tselect.id.dev_sclass = SNDRV_TIMER_SCLASS_APPLICATION; - if ((err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid)) < 0) + err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid); + if (err < 0) goto __err; kfree(tu->queue); @@ -1477,21 +1524,24 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user * kfree(tu->tqueue); tu->tqueue = NULL; if (tu->tread) { - tu->tqueue = (snd_timer_tread_t *)kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL); + tu->tqueue = kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), + GFP_KERNEL); if (tu->tqueue == NULL) err = -ENOMEM; } else { - tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL); + tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t), + GFP_KERNEL); if (tu->queue == NULL) err = -ENOMEM; } - + if (err < 0) { snd_timer_close(tu->timeri); tu->timeri = NULL; } else { tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST; - tu->timeri->callback = tu->tread ? snd_timer_user_tinterrupt : snd_timer_user_interrupt; + tu->timeri->callback = tu->tread + ? snd_timer_user_tinterrupt : snd_timer_user_interrupt; tu->timeri->ccallback = snd_timer_user_ccallback; tu->timeri->callback_data = (void *)tu; } @@ -1501,7 +1551,8 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user * return err; } -static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info) +static int snd_timer_user_info(struct file *file, + snd_timer_info_t __user *_info) { snd_timer_user_t *tu; snd_timer_info_t *info; @@ -1528,7 +1579,8 @@ static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info return err; } -static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_params) +static int snd_timer_user_params(struct file *file, + snd_timer_params_t __user *_params) { snd_timer_user_t *tu; snd_timer_params_t params; @@ -1536,7 +1588,7 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_ snd_timer_read_t *tr; snd_timer_tread_t *ttr; int err; - + tu = file->private_data; snd_assert(tu->timeri != NULL, return -ENXIO); t = tu->timeri->timer; @@ -1547,7 +1599,8 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_ err = -EINVAL; goto _end; } - if (params.queue_size > 0 && (params.queue_size < 32 || params.queue_size > 1024)) { + if (params.queue_size > 0 && + (params.queue_size < 32 || params.queue_size > 1024)) { err = -EINVAL; goto _end; } @@ -1580,16 +1633,19 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_ if (params.flags & SNDRV_TIMER_PSFLG_EARLY_EVENT) tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT; spin_unlock_irq(&t->lock); - if (params.queue_size > 0 && (unsigned int)tu->queue_size != params.queue_size) { + if (params.queue_size > 0 && + (unsigned int)tu->queue_size != params.queue_size) { if (tu->tread) { - ttr = (snd_timer_tread_t *)kmalloc(params.queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL); + ttr = kmalloc(params.queue_size * sizeof(*ttr), + GFP_KERNEL); if (ttr) { kfree(tu->tqueue); tu->queue_size = params.queue_size; tu->tqueue = ttr; } } else { - tr = (snd_timer_read_t *)kmalloc(params.queue_size * sizeof(snd_timer_read_t), GFP_KERNEL); + tr = kmalloc(params.queue_size * sizeof(*tr), + GFP_KERNEL); if (tr) { kfree(tu->queue); tu->queue_size = params.queue_size; @@ -1613,7 +1669,6 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_ tu->qused++; tu->qtail++; } - } tu->filter = params.filter; tu->ticks = params.ticks; @@ -1624,11 +1679,12 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_ return err; } -static int snd_timer_user_status(struct file *file, snd_timer_status_t __user *_status) +static int snd_timer_user_status(struct file *file, + snd_timer_status_t __user *_status) { snd_timer_user_t *tu; snd_timer_status_t status; - + tu = file->private_data; snd_assert(tu->timeri != NULL, return -ENXIO); memset(&status, 0, sizeof(status)); @@ -1648,7 +1704,7 @@ static int snd_timer_user_start(struct file *file) { int err; snd_timer_user_t *tu; - + tu = file->private_data; snd_assert(tu->timeri != NULL, return -ENXIO); snd_timer_stop(tu->timeri); @@ -1661,7 +1717,7 @@ static int snd_timer_user_stop(struct file *file) { int err; snd_timer_user_t *tu; - + tu = file->private_data; snd_assert(tu->timeri != NULL, return -ENXIO); return (err = snd_timer_stop(tu->timeri)) < 0 ? err : 0; @@ -1671,7 +1727,7 @@ static int snd_timer_user_continue(struct file *file) { int err; snd_timer_user_t *tu; - + tu = file->private_data; snd_assert(tu->timeri != NULL, return -ENXIO); tu->timeri->lost = 0; @@ -1682,7 +1738,7 @@ static int snd_timer_user_pause(struct file *file) { int err; snd_timer_user_t *tu; - + tu = file->private_data; snd_assert(tu->timeri != NULL, return -ENXIO); return (err = snd_timer_pause(tu->timeri)) < 0 ? err : 0; @@ -1695,12 +1751,13 @@ enum { SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23), }; -static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { snd_timer_user_t *tu; void __user *argp = (void __user *)arg; int __user *p = argp; - + tu = file->private_data; switch (cmd) { case SNDRV_TIMER_IOCTL_PVERSION: @@ -1710,7 +1767,7 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned l case SNDRV_TIMER_IOCTL_TREAD: { int xarg; - + down(&tu->tread_sem); if (tu->timeri) { /* too late */ up(&tu->tread_sem); @@ -1758,7 +1815,7 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on) { snd_timer_user_t *tu; int err; - + tu = file->private_data; err = fasync_helper(fd, file, on, &tu->fasync); if (err < 0) @@ -1766,12 +1823,13 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on) return 0; } -static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, size_t count, loff_t *offset) +static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, + size_t count, loff_t *offset) { snd_timer_user_t *tu; long result = 0, unit; int err = 0; - + tu = file->private_data; unit = tu->tread ? sizeof(snd_timer_tread_t) : sizeof(snd_timer_read_t); spin_lock_irq(&tu->qlock); @@ -1805,12 +1863,14 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, size_ goto _error; if (tu->tread) { - if (copy_to_user(buffer, &tu->tqueue[tu->qhead++], sizeof(snd_timer_tread_t))) { + if (copy_to_user(buffer, &tu->tqueue[tu->qhead++], + sizeof(snd_timer_tread_t))) { err = -EFAULT; goto _error; } } else { - if (copy_to_user(buffer, &tu->queue[tu->qhead++], sizeof(snd_timer_read_t))) { + if (copy_to_user(buffer, &tu->queue[tu->qhead++], + sizeof(snd_timer_read_t))) { err = -EFAULT; goto _error; } @@ -1837,7 +1897,7 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait) tu = file->private_data; poll_wait(file, &tu->qchange_sleep, wait); - + mask = 0; if (tu->qused) mask |= POLLIN | POLLRDNORM; @@ -1881,9 +1941,11 @@ static int __init alsa_timer_init(void) snd_info_entry_t *entry; #ifdef SNDRV_OSS_INFO_DEV_TIMERS - snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1, "system timer"); + snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1, + "system timer"); #endif - if ((entry = snd_info_create_module_entry(THIS_MODULE, "timers", NULL)) != NULL) { + entry = snd_info_create_module_entry(THIS_MODULE, "timers", NULL); + if (entry != NULL) { entry->c.text.read_size = SNDRV_TIMER_DEVICES * 128; entry->c.text.read = snd_timer_proc_read; if (snd_info_register(entry) < 0) { @@ -1893,10 +1955,12 @@ static int __init alsa_timer_init(void) } snd_timer_proc_entry = entry; if ((err = snd_timer_register_system()) < 0) - snd_printk(KERN_ERR "unable to register system timer (%i)\n", err); + snd_printk(KERN_ERR "unable to register system timer (%i)\n", + err); if ((err = snd_register_device(SNDRV_DEVICE_TYPE_TIMER, NULL, 0, &snd_timer_reg, "timer"))<0) - snd_printk(KERN_ERR "unable to register timer device (%i)\n", err); + snd_printk(KERN_ERR "unable to register timer device (%i)\n", + err); return 0; } @@ -1907,7 +1971,7 @@ static void __exit alsa_timer_exit(void) snd_unregister_device(SNDRV_DEVICE_TYPE_TIMER, NULL, 0); /* unregister the system timer */ list_for_each_safe(p, n, &snd_timer_list) { - snd_timer_t *timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list); + snd_timer_t *timer = list_entry(p, snd_timer_t, device_list); snd_timer_unregister(timer); } if (snd_timer_proc_entry) { diff --git a/sound/core/wrappers.c b/sound/core/wrappers.c deleted file mode 100644 index 296b716f137..00000000000 --- a/sound/core/wrappers.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Various wrappers - * Copyright (c) by Jaroslav Kysela <perex@suse.cz> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <linux/vmalloc.h> -#include <linux/fs.h> - -#ifdef CONFIG_SND_DEBUG_MEMORY -void *snd_wrapper_kmalloc(size_t size, gfp_t flags) -{ - return kmalloc(size, flags); -} - -void snd_wrapper_kfree(const void *obj) -{ - kfree(obj); -} - -void *snd_wrapper_vmalloc(unsigned long size) -{ - return vmalloc(size); -} - -void snd_wrapper_vfree(void *obj) -{ - vfree(obj); -} -#endif - |