diff options
| -rw-r--r-- | include/sound/pcm.h | 12 | ||||
| -rw-r--r-- | include/sound/pcm_oss.h | 1 | ||||
| -rw-r--r-- | sound/core/oss/pcm_oss.c | 151 | ||||
| -rw-r--r-- | sound/core/pcm.c | 12 | ||||
| -rw-r--r-- | sound/core/pcm_lib.c | 49 | ||||
| -rw-r--r-- | sound/core/pcm_native.c | 108 |
6 files changed, 114 insertions, 219 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 7cf6a30..66b1f08 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -369,6 +369,7 @@ struct snd_pcm_substream { /* -- assigned files -- */ struct snd_pcm_file *file; struct file *ffile; + void (*pcm_release)(struct snd_pcm_substream *); #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) /* -- OSS things -- */ struct snd_pcm_oss_substream oss; @@ -381,13 +382,10 @@ struct snd_pcm_substream { struct snd_info_entry *proc_prealloc_entry; /* misc flags */ unsigned int no_mmap_ctrl: 1; + unsigned int hw_opened: 1; }; -#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) -#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL || ((substream)->oss.file != NULL)) -#else #define SUBSTREAM_BUSY(substream) ((substream)->file != NULL) -#endif struct snd_pcm_str { @@ -468,8 +466,12 @@ int snd_pcm_suspend(struct snd_pcm_substream *substream); int snd_pcm_suspend_all(struct snd_pcm *pcm); #endif int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg); -int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct snd_pcm_substream **rsubstream); +int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct file *file, + struct snd_pcm_substream **rsubstream); void snd_pcm_release_substream(struct snd_pcm_substream *substream); +int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, struct file *file, + struct snd_pcm_substream **rsubstream); +void snd_pcm_detach_substream(struct snd_pcm_substream *substream); void snd_pcm_vma_notify_data(void *client, void *data); int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file, struct vm_area_struct *area); diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h index bff0778e..1d522aa 100644 --- a/include/sound/pcm_oss.h +++ b/include/sound/pcm_oss.h @@ -70,7 +70,6 @@ struct snd_pcm_oss_file { struct snd_pcm_oss_substream { unsigned oss: 1; /* oss mode */ struct snd_pcm_oss_setup *setup; /* active setup */ - struct snd_pcm_oss_file *file; }; struct snd_pcm_oss_stream { diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 54be0bb..c056cbf 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -1671,6 +1671,18 @@ static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, return NULL; } +static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime; + runtime = substream->runtime; + vfree(runtime->oss.buffer); + runtime->oss.buffer = NULL; +#ifdef CONFIG_SND_PCM_OSS_PLUGINS + snd_pcm_oss_plugin_clear(substream); +#endif + substream->oss.oss = 0; +} + static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream, struct snd_pcm_oss_setup *setup, int minor) @@ -1679,6 +1691,10 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream, substream->oss.oss = 1; substream->oss.setup = setup; + if (setup->nonblock) + substream->ffile->f_flags |= O_NONBLOCK; + else + substream->ffile->f_flags &= ~O_NONBLOCK; runtime = substream->runtime; runtime->oss.params = 1; runtime->oss.trigger = 1; @@ -1697,18 +1713,7 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream, runtime->oss.fragshift = 0; runtime->oss.maxfrags = 0; runtime->oss.subdivision = 0; -} - -static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime; - runtime = substream->runtime; - vfree(runtime->oss.buffer); -#ifdef CONFIG_SND_PCM_OSS_PLUGINS - snd_pcm_oss_plugin_clear(substream); -#endif - substream->oss.file = NULL; - substream->oss.oss = 0; + substream->pcm_release = snd_pcm_oss_release_substream; } static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file) @@ -1717,23 +1722,8 @@ static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file) snd_assert(pcm_oss_file != NULL, return -ENXIO); for (cidx = 0; cidx < 2; ++cidx) { struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx]; - struct snd_pcm_runtime *runtime; - if (substream == NULL) - continue; - runtime = substream->runtime; - - snd_pcm_stream_lock_irq(substream); - if (snd_pcm_running(substream)) - snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP); - snd_pcm_stream_unlock_irq(substream); - if (substream->ffile != NULL) { - if (substream->ops->hw_free != NULL) - substream->ops->hw_free(substream); - substream->ops->close(substream); - substream->ffile = NULL; - } - snd_pcm_oss_release_substream(substream); - snd_pcm_release_substream(substream); + if (substream) + snd_pcm_release_substream(substream); } kfree(pcm_oss_file); return 0; @@ -1743,12 +1733,11 @@ static int snd_pcm_oss_open_file(struct file *file, struct snd_pcm *pcm, struct snd_pcm_oss_file **rpcm_oss_file, int minor, - struct snd_pcm_oss_setup *psetup, - struct snd_pcm_oss_setup *csetup) + struct snd_pcm_oss_setup **setup) { - int err = 0; + int idx, err; struct snd_pcm_oss_file *pcm_oss_file; - struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL; + struct snd_pcm_substream *substream; unsigned int f_mode = file->f_mode; snd_assert(rpcm_oss_file != NULL, return -EINVAL); @@ -1761,73 +1750,31 @@ static int snd_pcm_oss_open_file(struct file *file, if ((f_mode & (FMODE_WRITE|FMODE_READ)) == (FMODE_WRITE|FMODE_READ) && (pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX)) f_mode = FMODE_WRITE; - if ((f_mode & FMODE_WRITE) && !(psetup && psetup->disable)) { - if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &psubstream)) < 0) { + + for (idx = 0; idx < 2; idx++) { + if (! setup[idx] || setup[idx]->disable) + continue; + if (idx == SNDRV_PCM_STREAM_PLAYBACK) { + if (! (f_mode & FMODE_WRITE)) + continue; + } else { + if (! (f_mode & FMODE_READ)) + continue; + } + err = snd_pcm_open_substream(pcm, idx, file, &substream); + if (err < 0) { snd_pcm_oss_release_file(pcm_oss_file); return err; } - pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK] = psubstream; - } - if ((f_mode & FMODE_READ) && !(csetup && csetup->disable)) { - if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_CAPTURE, - &csubstream)) < 0) { - if (!(f_mode & FMODE_WRITE) || err != -ENODEV) { - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } else { - csubstream = NULL; - } - } - pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE] = csubstream; + + pcm_oss_file->streams[idx] = substream; + snd_pcm_oss_init_substream(substream, setup[idx], minor); } - if (psubstream == NULL && csubstream == NULL) { + if (! pcm_oss_file->streams[0] && pcm_oss_file->streams[1]) { snd_pcm_oss_release_file(pcm_oss_file); return -EINVAL; } - if (psubstream != NULL) { - psubstream->oss.file = pcm_oss_file; - err = snd_pcm_hw_constraints_init(psubstream); - if (err < 0) { - snd_printd("snd_pcm_hw_constraint_init failed\n"); - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } - if ((err = psubstream->ops->open(psubstream)) < 0) { - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } - psubstream->ffile = file; - err = snd_pcm_hw_constraints_complete(psubstream); - if (err < 0) { - snd_printd("snd_pcm_hw_constraint_complete failed\n"); - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } - snd_pcm_oss_init_substream(psubstream, psetup, minor); - } - if (csubstream != NULL) { - csubstream->oss.file = pcm_oss_file; - err = snd_pcm_hw_constraints_init(csubstream); - if (err < 0) { - snd_printd("snd_pcm_hw_constraint_init failed\n"); - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } - if ((err = csubstream->ops->open(csubstream)) < 0) { - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } - csubstream->ffile = file; - err = snd_pcm_hw_constraints_complete(csubstream); - if (err < 0) { - snd_printd("snd_pcm_hw_constraint_complete failed\n"); - snd_pcm_oss_release_file(pcm_oss_file); - return err; - } - snd_pcm_oss_init_substream(csubstream, csetup, minor); - } file->private_data = pcm_oss_file; *rpcm_oss_file = pcm_oss_file; @@ -1852,7 +1799,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) char task_name[32]; struct snd_pcm *pcm; struct snd_pcm_oss_file *pcm_oss_file; - struct snd_pcm_oss_setup *psetup = NULL, *csetup = NULL; + struct snd_pcm_oss_setup *setup[2]; int nonblock; wait_queue_t wait; @@ -1873,23 +1820,13 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) err = -EFAULT; goto __error; } + memset(setup, 0, sizeof(*setup)); if (file->f_mode & FMODE_WRITE) - psetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK, task_name); + setup[0] = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK, task_name); if (file->f_mode & FMODE_READ) - csetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE, task_name); + setup[1] = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE, task_name); nonblock = !!(file->f_flags & O_NONBLOCK); - if (psetup && !psetup->disable) { - if (psetup->nonblock) - nonblock = 1; - else if (psetup->block) - nonblock = 0; - } else if (csetup && !csetup->disable) { - if (csetup->nonblock) - nonblock = 1; - else if (csetup->block) - nonblock = 0; - } if (!nonblock) nonblock = nonblock_open; @@ -1898,7 +1835,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) mutex_lock(&pcm->open_mutex); while (1) { err = snd_pcm_oss_open_file(file, pcm, &pcm_oss_file, - iminor(inode), psetup, csetup); + iminor(inode), setup); if (err >= 0) break; if (err == -EAGAIN) { diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 1e9878fe..5d7eb12 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -777,8 +777,9 @@ static void snd_pcm_tick_timer_func(unsigned long data) snd_pcm_tick_elapsed(substream); } -int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, - struct snd_pcm_substream **rsubstream) +int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, + struct file *file, + struct snd_pcm_substream **rsubstream) { struct snd_pcm_str * pstr; struct snd_pcm_substream *substream; @@ -793,7 +794,7 @@ int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, *rsubstream = NULL; snd_assert(pcm != NULL, return -ENXIO); pstr = &pcm->streams[stream]; - if (pstr->substream == NULL) + if (pstr->substream == NULL || pstr->substream_count == 0) return -ENODEV; card = pcm->card; @@ -807,8 +808,6 @@ int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, } up_read(&card->controls_rwsem); - if (pstr->substream_count == 0) - return -ENODEV; switch (stream) { case SNDRV_PCM_STREAM_PLAYBACK: if (pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX) { @@ -874,12 +873,13 @@ int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, substream->runtime = runtime; substream->private_data = pcm->private_data; + substream->ffile = file; pstr->substream_opened++; *rsubstream = substream; return 0; } -void snd_pcm_release_substream(struct snd_pcm_substream *substream) +void snd_pcm_detach_substream(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime; substream->file = NULL; diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index eeba2f0..230a940 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -2299,19 +2299,7 @@ snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const v if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; - snd_assert(substream->ffile != NULL, return -ENXIO); nonblock = !!(substream->ffile->f_flags & O_NONBLOCK); -#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) - if (substream->oss.oss) { - struct snd_pcm_oss_setup *setup = substream->oss.setup; - if (setup != NULL) { - if (setup->nonblock) - nonblock = 1; - else if (setup->block) - nonblock = 0; - } - } -#endif if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED && runtime->channels > 1) @@ -2374,19 +2362,7 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream, if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; - snd_assert(substream->ffile != NULL, return -ENXIO); nonblock = !!(substream->ffile->f_flags & O_NONBLOCK); -#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) - if (substream->oss.oss) { - struct snd_pcm_oss_setup *setup = substream->oss.setup; - if (setup != NULL) { - if (setup->nonblock) - nonblock = 1; - else if (setup->block) - nonblock = 0; - } - } -#endif if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) return -EINVAL; @@ -2596,19 +2572,7 @@ snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __u if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; - snd_assert(substream->ffile != NULL, return -ENXIO); nonblock = !!(substream->ffile->f_flags & O_NONBLOCK); -#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) - if (substream->oss.oss) { - struct snd_pcm_oss_setup *setup = substream->oss.setup; - if (setup != NULL) { - if (setup->nonblock) - nonblock = 1; - else if (setup->block) - nonblock = 0; - } - } -#endif if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED) return -EINVAL; return snd_pcm_lib_read1(substream, (unsigned long)buf, size, nonblock, snd_pcm_lib_read_transfer); @@ -2665,20 +2629,7 @@ snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream, if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; - snd_assert(substream->ffile != NULL, return -ENXIO); nonblock = !!(substream->ffile->f_flags & O_NONBLOCK); -#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) - if (substream->oss.oss) { - struct snd_pcm_oss_setup *setup = substream->oss.setup; - if (setup != NULL) { - if (setup->nonblock) - nonblock = 1; - else if (setup->block) - nonblock = 0; - } - } -#endif - if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) return -EINVAL; return snd_pcm_lib_read1(substream, (unsigned long)bufs, frames, nonblock, snd_pcm_lib_readv_transfer); diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 13efe39..964e4c4 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1995,28 +1995,63 @@ static void snd_pcm_remove_file(struct snd_pcm_str *str, } } -static int snd_pcm_release_file(struct snd_pcm_file * pcm_file) +static void pcm_release_private(struct snd_pcm_substream *substream) { - struct snd_pcm_substream *substream; - struct snd_pcm_runtime *runtime; - struct snd_pcm_str * str; + struct snd_pcm_file *pcm_file = substream->file; - snd_assert(pcm_file != NULL, return -ENXIO); - substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); - runtime = substream->runtime; - str = substream->pstr; snd_pcm_unlink(substream); - if (substream->ffile != NULL) { + snd_pcm_remove_file(substream->pstr, pcm_file); + kfree(pcm_file); +} + +void snd_pcm_release_substream(struct snd_pcm_substream *substream) +{ + snd_pcm_drop(substream); + if (substream->pcm_release) + substream->pcm_release(substream); + if (substream->hw_opened) { if (substream->ops->hw_free != NULL) substream->ops->hw_free(substream); substream->ops->close(substream); - substream->ffile = NULL; + substream->hw_opened = 0; } - snd_pcm_remove_file(str, pcm_file); - snd_pcm_release_substream(substream); - kfree(pcm_file); + snd_pcm_detach_substream(substream); +} + +int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, + struct file *file, + struct snd_pcm_substream **rsubstream) +{ + struct snd_pcm_substream *substream; + int err; + + err = snd_pcm_attach_substream(pcm, stream, file, &substream); + if (err < 0) + return err; + substream->no_mmap_ctrl = 0; + err = snd_pcm_hw_constraints_init(substream); + if (err < 0) { + snd_printd("snd_pcm_hw_constraints_init failed\n"); + goto error; + } + + if ((err = substream->ops->open(substream)) < 0) + goto error; + + substream->hw_opened = 1; + + err = snd_pcm_hw_constraints_complete(substream); + if (err < 0) { + snd_printd("snd_pcm_hw_constraints_complete failed\n"); + goto error; + } + + *rsubstream = substream; return 0; + + error: + snd_pcm_release_substream(substream); + return err; } static int snd_pcm_open_file(struct file *file, @@ -2024,52 +2059,29 @@ static int snd_pcm_open_file(struct file *file, int stream, struct snd_pcm_file **rpcm_file) { - int err = 0; struct snd_pcm_file *pcm_file; struct snd_pcm_substream *substream; struct snd_pcm_str *str; + int err; snd_assert(rpcm_file != NULL, return -EINVAL); *rpcm_file = NULL; + err = snd_pcm_open_substream(pcm, stream, file, &substream); + if (err < 0) + return err; + pcm_file = kzalloc(sizeof(*pcm_file), GFP_KERNEL); if (pcm_file == NULL) { + snd_pcm_release_substream(substream); return -ENOMEM; } - - if ((err = snd_pcm_open_substream(pcm, stream, &substream)) < 0) { - kfree(pcm_file); - return err; - } - str = substream->pstr; substream->file = pcm_file; - substream->no_mmap_ctrl = 0; - + substream->pcm_release = pcm_release_private; pcm_file->substream = substream; - snd_pcm_add_file(str, pcm_file); - err = snd_pcm_hw_constraints_init(substream); - if (err < 0) { - snd_printd("snd_pcm_hw_constraints_init failed\n"); - snd_pcm_release_file(pcm_file); - return err; - } - - if ((err = substream->ops->open(substream)) < 0) { - snd_pcm_release_file(pcm_file); - return err; - } - substream->ffile = file; - - err = snd_pcm_hw_constraints_complete(substream); - if (err < 0) { - snd_printd("snd_pcm_hw_constraints_complete failed\n"); - snd_pcm_release_file(pcm_file); - return err; - } - file->private_data = pcm_file; *rpcm_file = pcm_file; return 0; @@ -2158,10 +2170,9 @@ static int snd_pcm_release(struct inode *inode, struct file *file) snd_assert(substream != NULL, return -ENXIO); snd_assert(!atomic_read(&substream->runtime->mmap_count), ); pcm = substream->pcm; - snd_pcm_drop(substream); fasync_helper(-1, file, 0, &substream->runtime->fasync); mutex_lock(&pcm->open_mutex); - snd_pcm_release_file(pcm_file); + snd_pcm_release_substream(substream); mutex_unlock(&pcm->open_mutex); wake_up(&pcm->open_wait); module_put(pcm->card->module); @@ -2480,11 +2491,6 @@ static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream, return 0; } -static int snd_pcm_playback_ioctl1(struct snd_pcm_substream *substream, - unsigned int cmd, void __user *arg); -static int snd_pcm_capture_ioctl1(struct snd_pcm_substream *substream, - unsigned int cmd, void __user *arg); - static int snd_pcm_common_ioctl1(struct snd_pcm_substream *substream, unsigned int cmd, void __user *arg) { |
