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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 08:32:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 08:32:05 -0700 |
commit | 33081adf8b89d5a716d7e1c60171768d39795b39 (patch) | |
tree | 275de58bbbb5f7ddffcdc087844cfc7fbe4315be /sound/oss | |
parent | c55960499f810357a29659b32d6ea594abee9237 (diff) | |
parent | 506ecbca71d07fa327dd986be1682e90885678ee (diff) | |
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (365 commits)
ALSA: hda - Disable sticky PCM stream assignment for AD codecs
ALSA: usb - Creative USB X-Fi volume knob support
ALSA: ca0106: Use card specific dac id for mute controls.
ALSA: ca0106: Allow different sound cards to use different SPI channel mappings.
ALSA: ca0106: Create a nice spot for mapping channels to dacs.
ALSA: ca0106: Move enabling of front dac out of hardcoded setup sequence.
ALSA: ca0106: Pull out dac powering routine into separate function.
ALSA: ca0106 - add Sound Blaster 5.1vx info.
ASoC: tlv320dac33: Use usleep_range for delays
ALSA: usb-audio: add Novation Launchpad support
ALSA: hda - Add workarounds for CT-IBG controllers
ALSA: hda - Fix wrong TLV mute bit for STAC/IDT codecs
ASoC: tpa6130a2: Error handling for broken chip
ASoC: max98088: Staticise m98088_eq_band
ASoC: soc-core: Fix codec->name memory leak
ALSA: hda - Apply ideapad quirk to Acer laptops with Cxt5066
ALSA: hda - Add some workarounds for Creative IBG
ALSA: hda - Fix wrong SPDIF NID assignment for CA0110
ALSA: hda - Fix codec rename rules for ALC662-compatible codecs
ALSA: hda - Add alc_init_jacks() call to other codecs
...
Diffstat (limited to 'sound/oss')
-rw-r--r-- | sound/oss/Kconfig | 8 | ||||
-rw-r--r-- | sound/oss/Makefile | 1 | ||||
-rw-r--r-- | sound/oss/au1550_ac97.c | 48 | ||||
-rw-r--r-- | sound/oss/dmasound/dmasound_core.c | 41 | ||||
-rw-r--r-- | sound/oss/msnd_pinnacle.c | 15 | ||||
-rw-r--r-- | sound/oss/sh_dac_audio.c | 325 | ||||
-rw-r--r-- | sound/oss/soundcard.c | 43 | ||||
-rw-r--r-- | sound/oss/swarm_cs4297a.c | 20 | ||||
-rw-r--r-- | sound/oss/vwsnd.c | 30 |
9 files changed, 100 insertions, 431 deletions
diff --git a/sound/oss/Kconfig b/sound/oss/Kconfig index a513651..76c0902 100644 --- a/sound/oss/Kconfig +++ b/sound/oss/Kconfig @@ -545,11 +545,3 @@ config SOUND_KAHLUA endif # SOUND_OSS -config SOUND_SH_DAC_AUDIO - tristate "SuperH DAC audio support" - depends on CPU_SH3 && HIGH_RES_TIMERS - -config SOUND_SH_DAC_AUDIO_CHANNEL - int "DAC channel" - default "1" - depends on SOUND_SH_DAC_AUDIO diff --git a/sound/oss/Makefile b/sound/oss/Makefile index 567b8a7..96f14dc 100644 --- a/sound/oss/Makefile +++ b/sound/oss/Makefile @@ -9,7 +9,6 @@ obj-$(CONFIG_SOUND_OSS) += sound.o # Please leave it as is, cause the link order is significant ! -obj-$(CONFIG_SOUND_SH_DAC_AUDIO) += sh_dac_audio.o obj-$(CONFIG_SOUND_AEDSP16) += aedsp16.o obj-$(CONFIG_SOUND_PSS) += pss.o ad1848.o mpu401.o obj-$(CONFIG_SOUND_TRIX) += trix.o ad1848.o sb_lib.o uart401.o diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c index c6f2621..a8f626d 100644 --- a/sound/oss/au1550_ac97.c +++ b/sound/oss/au1550_ac97.c @@ -43,7 +43,6 @@ #include <linux/sound.h> #include <linux/slab.h> #include <linux/soundcard.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> @@ -77,6 +76,7 @@ /* Boot options * 0 = no VRA, 1 = use VRA if codec supports it */ +static DEFINE_MUTEX(au1550_ac97_mutex); static int vra = 1; module_param(vra, bool, 0); MODULE_PARM_DESC(vra, "if 1 use VRA if codec supports it"); @@ -171,7 +171,7 @@ au1550_delay(int msec) static u16 rdcodec(struct ac97_codec *codec, u8 addr) { - struct au1550_state *s = (struct au1550_state *)codec->private_data; + struct au1550_state *s = codec->private_data; unsigned long flags; u32 cmd, val; u16 data; @@ -239,7 +239,7 @@ rdcodec(struct ac97_codec *codec, u8 addr) static void wrcodec(struct ac97_codec *codec, u8 addr, u16 data) { - struct au1550_state *s = (struct au1550_state *)codec->private_data; + struct au1550_state *s = codec->private_data; unsigned long flags; u32 cmd, val; int i; @@ -798,9 +798,9 @@ au1550_llseek(struct file *file, loff_t offset, int origin) static int au1550_open_mixdev(struct inode *inode, struct file *file) { - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); file->private_data = &au1550_state; - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return 0; } @@ -820,13 +820,13 @@ mixdev_ioctl(struct ac97_codec *codec, unsigned int cmd, static long au1550_ioctl_mixdev(struct file *file, unsigned int cmd, unsigned long arg) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; struct ac97_codec *codec = s->codec; int ret; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); ret = mixdev_ioctl(codec, cmd, arg); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1031,7 +1031,7 @@ copy_dmabuf_user(struct dmabuf *db, char* userbuf, int count, int to_user) static ssize_t au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; struct dmabuf *db = &s->dma_adc; DECLARE_WAITQUEUE(wait, current); ssize_t ret; @@ -1111,7 +1111,7 @@ out2: static ssize_t au1550_write(struct file *file, const char *buffer, size_t count, loff_t * ppos) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; struct dmabuf *db = &s->dma_dac; DECLARE_WAITQUEUE(wait, current); ssize_t ret = 0; @@ -1211,7 +1211,7 @@ out2: static unsigned int au1550_poll(struct file *file, struct poll_table_struct *wait) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; unsigned long flags; unsigned int mask = 0; @@ -1250,12 +1250,12 @@ au1550_poll(struct file *file, struct poll_table_struct *wait) static int au1550_mmap(struct file *file, struct vm_area_struct *vma) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; struct dmabuf *db; unsigned long size; int ret = 0; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); mutex_lock(&s->sem); if (vma->vm_flags & VM_WRITE) db = &s->dma_dac; @@ -1283,7 +1283,7 @@ au1550_mmap(struct file *file, struct vm_area_struct *vma) db->mapped = 1; out: mutex_unlock(&s->sem); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1342,7 +1342,7 @@ dma_count_done(struct dmabuf *db) static int au1550_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; unsigned long flags; audio_buf_info abinfo; count_info cinfo; @@ -1781,9 +1781,9 @@ au1550_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); ret = au1550_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1804,7 +1804,7 @@ au1550_open(struct inode *inode, struct file *file) #endif file->private_data = s; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); /* wait for device to become free */ mutex_lock(&s->open_mutex); while (s->open_mode & file->f_mode) { @@ -1861,21 +1861,21 @@ au1550_open(struct inode *inode, struct file *file) out: mutex_unlock(&s->open_mutex); out2: - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } static int au1550_release(struct inode *inode, struct file *file) { - struct au1550_state *s = (struct au1550_state *)file->private_data; + struct au1550_state *s = file->private_data; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); if (file->f_mode & FMODE_WRITE) { - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); drain_dac(s, file->f_flags & O_NONBLOCK); - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); } mutex_lock(&s->open_mutex); @@ -1892,7 +1892,7 @@ au1550_release(struct inode *inode, struct file *file) s->open_mode &= ((~file->f_mode) & (FMODE_READ|FMODE_WRITE)); mutex_unlock(&s->open_mutex); wake_up(&s->open_wait); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return 0; } diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c index 6ecd41a..87e2c72 100644 --- a/sound/oss/dmasound/dmasound_core.c +++ b/sound/oss/dmasound/dmasound_core.c @@ -181,7 +181,7 @@ #include <linux/init.h> #include <linux/soundcard.h> #include <linux/poll.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/uaccess.h> @@ -194,6 +194,7 @@ * Declarations */ +static DEFINE_MUTEX(dmasound_core_mutex); int dmasound_catchRadius = 0; module_param(dmasound_catchRadius, int, 0); @@ -323,22 +324,22 @@ static struct { static int mixer_open(struct inode *inode, struct file *file) { - lock_kernel(); + mutex_lock(&dmasound_core_mutex); if (!try_module_get(dmasound.mach.owner)) { - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return -ENODEV; } mixer.busy = 1; - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return 0; } static int mixer_release(struct inode *inode, struct file *file) { - lock_kernel(); + mutex_lock(&dmasound_core_mutex); mixer.busy = 0; module_put(dmasound.mach.owner); - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return 0; } @@ -370,9 +371,9 @@ static long mixer_unlocked_ioctl(struct file *file, u_int cmd, u_long arg) { int ret; - lock_kernel(); + mutex_lock(&dmasound_core_mutex); ret = mixer_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return ret; } @@ -752,9 +753,9 @@ static int sq_open(struct inode *inode, struct file *file) { int rc; - lock_kernel(); + mutex_lock(&dmasound_core_mutex); if (!try_module_get(dmasound.mach.owner)) { - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return -ENODEV; } @@ -799,11 +800,11 @@ static int sq_open(struct inode *inode, struct file *file) sound_set_format(AFMT_MU_LAW); } #endif - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return 0; out: module_put(dmasound.mach.owner); - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return rc; } @@ -869,7 +870,7 @@ static int sq_release(struct inode *inode, struct file *file) { int rc = 0; - lock_kernel(); + mutex_lock(&dmasound_core_mutex); if (file->f_mode & FMODE_WRITE) { if (write_sq.busy) @@ -900,7 +901,7 @@ static int sq_release(struct inode *inode, struct file *file) write_sq_wake_up(file); /* checks f_mode */ #endif /* blocking open() */ - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return rc; } @@ -1141,9 +1142,9 @@ static long sq_unlocked_ioctl(struct file *file, u_int cmd, u_long arg) { int ret; - lock_kernel(); + mutex_lock(&dmasound_core_mutex); ret = sq_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return ret; } @@ -1257,7 +1258,7 @@ static int state_open(struct inode *inode, struct file *file) int len = 0; int ret; - lock_kernel(); + mutex_lock(&dmasound_core_mutex); ret = -EBUSY; if (state.busy) goto out; @@ -1329,16 +1330,16 @@ printk("dmasound: stat buffer used %d bytes\n", len) ; state.len = len; ret = 0; out: - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return ret; } static int state_release(struct inode *inode, struct file *file) { - lock_kernel(); + mutex_lock(&dmasound_core_mutex); state.busy = 0; module_put(dmasound.mach.owner); - unlock_kernel(); + mutex_unlock(&dmasound_core_mutex); return 0; } diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c index ca942f7..7b5c77b3 100644 --- a/sound/oss/msnd_pinnacle.c +++ b/sound/oss/msnd_pinnacle.c @@ -39,7 +39,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/gfp.h> #include <asm/irq.h> #include <asm/io.h> @@ -79,6 +79,7 @@ dev.rec_sample_rate / \ dev.rec_channels) +static DEFINE_MUTEX(msnd_pinnacle_mutex); static multisound_dev_t dev; #ifndef HAVE_DSPCODEH @@ -651,12 +652,12 @@ static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ret = -EINVAL; - lock_kernel(); + mutex_lock(&msnd_pinnacle_mutex); if (minor == dev.dsp_minor) ret = dsp_ioctl(file, cmd, arg); else if (minor == dev.mixer_minor) ret = mixer_ioctl(cmd, arg); - unlock_kernel(); + mutex_unlock(&msnd_pinnacle_mutex); return ret; } @@ -761,7 +762,7 @@ static int dev_open(struct inode *inode, struct file *file) int minor = iminor(inode); int err = 0; - lock_kernel(); + mutex_lock(&msnd_pinnacle_mutex); if (minor == dev.dsp_minor) { if ((file->f_mode & FMODE_WRITE && test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) || @@ -791,7 +792,7 @@ static int dev_open(struct inode *inode, struct file *file) } else err = -EINVAL; out: - unlock_kernel(); + mutex_unlock(&msnd_pinnacle_mutex); return err; } @@ -800,14 +801,14 @@ static int dev_release(struct inode *inode, struct file *file) int minor = iminor(inode); int err = 0; - lock_kernel(); + mutex_lock(&msnd_pinnacle_mutex); if (minor == dev.dsp_minor) err = dsp_release(file); else if (minor == dev.mixer_minor) { /* nothing */ } else err = -EINVAL; - unlock_kernel(); + mutex_unlock(&msnd_pinnacle_mutex); return err; } diff --git a/sound/oss/sh_dac_audio.c b/sound/oss/sh_dac_audio.c deleted file mode 100644 index 479e302..0000000 --- a/sound/oss/sh_dac_audio.c +++ /dev/null @@ -1,325 +0,0 @@ -/* - * sound/oss/sh_dac_audio.c - * - * SH DAC based sound :( - * - * Copyright (C) 2004,2005 Andriy Skulysh - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/linkage.h> -#include <linux/slab.h> -#include <linux/fs.h> -#include <linux/sound.h> -#include <linux/smp_lock.h> -#include <linux/soundcard.h> -#include <linux/interrupt.h> -#include <linux/hrtimer.h> -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/irq.h> -#include <asm/delay.h> -#include <asm/clock.h> -#include <cpu/dac.h> -#include <asm/machvec.h> -#include <mach/hp6xx.h> -#include <asm/hd64461.h> - -#define MODNAME "sh_dac_audio" - -#define BUFFER_SIZE 48000 - -static int rate; -static int empty; -static char *data_buffer, *buffer_begin, *buffer_end; -static int in_use, device_major; -static struct hrtimer hrtimer; -static ktime_t wakeups_per_second; - -static void dac_audio_start_timer(void) -{ - hrtimer_start(&hrtimer, wakeups_per_second, HRTIMER_MODE_REL); -} - -static void dac_audio_stop_timer(void) -{ - hrtimer_cancel(&hrtimer); -} - -static void dac_audio_reset(void) -{ - dac_audio_stop_timer(); - buffer_begin = buffer_end = data_buffer; - empty = 1; -} - -static void dac_audio_sync(void) -{ - while (!empty) - schedule(); -} - -static void dac_audio_start(void) -{ - if (mach_is_hp6xx()) { - u16 v = __raw_readw(HD64461_GPADR); - v &= ~HD64461_GPADR_SPEAKER; - __raw_writew(v, HD64461_GPADR); - } - - sh_dac_enable(CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); -} -static void dac_audio_stop(void) -{ - dac_audio_stop_timer(); - - if (mach_is_hp6xx()) { - u16 v = __raw_readw(HD64461_GPADR); - v |= HD64461_GPADR_SPEAKER; - __raw_writew(v, HD64461_GPADR); - } - - sh_dac_output(0, CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); - sh_dac_disable(CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); -} - -static void dac_audio_set_rate(void) -{ - wakeups_per_second = ktime_set(0, 1000000000 / rate); -} - -static int dac_audio_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - int val; - - switch (cmd) { - case OSS_GETVERSION: - return put_user(SOUND_VERSION, (int *)arg); - - case SNDCTL_DSP_SYNC: - dac_audio_sync(); - return 0; - - case SNDCTL_DSP_RESET: - dac_audio_reset(); - return 0; - - case SNDCTL_DSP_GETFMTS: - return put_user(AFMT_U8, (int *)arg); - - case SNDCTL_DSP_SETFMT: - return put_user(AFMT_U8, (int *)arg); - - case SNDCTL_DSP_NONBLOCK: - spin_lock(&file->f_lock); - file->f_flags |= O_NONBLOCK; - spin_unlock(&file->f_lock); - return 0; - - case SNDCTL_DSP_GETCAPS: - return 0; - - case SOUND_PCM_WRITE_RATE: - val = *(int *)arg; - if (val > 0) { - rate = val; - dac_audio_set_rate(); - } - return put_user(rate, (int *)arg); - - case SNDCTL_DSP_STEREO: - return put_user(0, (int *)arg); - - case SOUND_PCM_WRITE_CHANNELS: - return put_user(1, (int *)arg); - - case SNDCTL_DSP_SETDUPLEX: - return -EINVAL; - - case SNDCTL_DSP_PROFILE: - return -EINVAL; - - case SNDCTL_DSP_GETBLKSIZE: - return put_user(BUFFER_SIZE, (int *)arg); - - case SNDCTL_DSP_SETFRAGMENT: - return 0; - - default: - printk(KERN_ERR "sh_dac_audio: unimplemented ioctl=0x%x\n", - cmd); - return -EINVAL; - } - return -EINVAL; -} - -static long dac_audio_unlocked_ioctl(struct file *file, u_int cmd, u_long arg) -{ - int ret; - - lock_kernel(); - ret = dac_audio_ioctl(file, cmd, arg); - unlock_kernel(); - - return ret; -} - -static ssize_t dac_audio_write(struct file *file, const char *buf, size_t count, - loff_t * ppos) -{ - int free; - int nbytes; - - if (!count) { - dac_audio_sync(); - return 0; - } - - free = buffer_begin - buffer_end; - - if (free < 0) - free += BUFFER_SIZE; - if ((free == 0) && (empty)) - free = BUFFER_SIZE; - if (count > free) - count = free; - if (buffer_begin > buffer_end) { - if (copy_from_user((void *)buffer_end, buf, count)) - return -EFAULT; - - buffer_end += count; - } else { - nbytes = data_buffer + BUFFER_SIZE - buffer_end; - if (nbytes > count) { - if (copy_from_user((void *)buffer_end, buf, count)) - return -EFAULT; - buffer_end += count; - } else { - if (copy_from_user((void *)buffer_end, buf, nbytes)) - return -EFAULT; - if (copy_from_user - ((void *)data_buffer, buf + nbytes, count - nbytes)) - return -EFAULT; - buffer_end = data_buffer + count - nbytes; - } - } - - if (empty) { - empty = 0; - dac_audio_start_timer(); - } - - return count; -} - -static ssize_t dac_audio_read(struct file *file, char *buf, size_t count, - loff_t * ppos) -{ - return -EINVAL; -} - -static int dac_audio_open(struct inode *inode, struct file *file) -{ - if (file->f_mode & FMODE_READ) - return -ENODEV; - - lock_kernel(); - if (in_use) { - unlock_kernel(); - return -EBUSY; - } - - in_use = 1; - - dac_audio_start(); - unlock_kernel(); - return 0; -} - -static int dac_audio_release(struct inode *inode, struct file *file) -{ - dac_audio_sync(); - dac_audio_stop(); - in_use = 0; - - return 0; -} - -const struct file_operations dac_audio_fops = { - .read = dac_audio_read, - .write = dac_audio_write, - .unlocked_ioctl = dac_audio_unlocked_ioctl, - .open = dac_audio_open, - .release = dac_audio_release, -}; - -static enum hrtimer_restart sh_dac_audio_timer(struct hrtimer *handle) -{ - if (!empty) { - sh_dac_output(*buffer_begin, CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); - buffer_begin++; - - if (buffer_begin == data_buffer + BUFFER_SIZE) - buffer_begin = data_buffer; - if (buffer_begin == buffer_end) - empty = 1; - } - - if (!empty) - hrtimer_start(&hrtimer, wakeups_per_second, HRTIMER_MODE_REL); - - return HRTIMER_NORESTART; -} - -static int __init dac_audio_init(void) -{ - if ((device_major = register_sound_dsp(&dac_audio_fops, -1)) < 0) { - printk(KERN_ERR "Cannot register dsp device"); - return device_major; - } - - in_use = 0; - - data_buffer = kmalloc(BUFFER_SIZE, GFP_KERNEL); - if (data_buffer == NULL) - return -ENOMEM; - - dac_audio_reset(); - rate = 8000; - dac_audio_set_rate(); - - /* Today: High Resolution Timer driven DAC playback. - * The timer callback gets called once per sample. Ouch. - * - * Future: A much better approach would be to use the - * SH7720 CMT+DMAC+DAC hardware combination like this: - * - Program sample rate using CMT0 or CMT1 - * - Program DMAC to use CMT for timing and output to DAC - * - Play sound using DMAC, let CPU sleep. - * - While at it, rewrite this driver to use ALSA. - */ - - hrtimer_init(&hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - hrtimer.function = sh_dac_audio_timer; - - return 0; -} - -static void __exit dac_audio_exit(void) -{ - unregister_sound_dsp(device_major); - kfree((void *)data_buffer); -} - -module_init(dac_audio_init); -module_exit(dac_audio_exit); - -MODULE_AUTHOR("Andriy Skulysh, askulysh@image.kiev.ua"); -MODULE_DESCRIPTION("SH DAC sound driver"); -MODULE_LICENSE("GPL"); diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 07f803e..46c0d03 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -40,7 +40,7 @@ #include <linux/major.h> #include <linux/delay.h> #include <linux/proc_fs.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/module.h> #include <linux/mm.h> #include <linux/device.h> @@ -56,6 +56,7 @@ * Table for permanently allocated memory (used when unloading the module) */ void * sound_mem_blocks[MAX_MEM_BLOCKS]; +static DEFINE_MUTEX(soundcard_mutex); int sound_nblocks = 0; /* Persistent DMA buffers */ @@ -151,7 +152,7 @@ static ssize_t sound_read(struct file *file, char __user *buf, size_t count, lof * big one anyway, we might as well bandage here.. */ - lock_kernel(); + mutex_lock(&soundcard_mutex); DEB(printk("sound_read(dev=%d, count=%d)\n", dev, count)); switch (dev & 0x0f) { @@ -169,7 +170,7 @@ static ssize_t sound_read(struct file *file, char __user *buf, size_t count, lof case SND_DEV_MIDIN: ret = MIDIbuf_read(dev, file, buf, count); } - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return ret; } @@ -178,7 +179,7 @@ static ssize_t sound_write(struct file *file, const char __user *buf, size_t cou int dev = iminor(file->f_path.dentry->d_inode); int ret = -EINVAL; - lock_kernel(); + mutex_lock(&soundcard_mutex); DEB(printk("sound_write(dev=%d, count=%d)\n", dev, count)); switch (dev & 0x0f) { case SND_DEV_SEQ: @@ -196,7 +197,7 @@ static ssize_t sound_write(struct file *file, const char __user *buf, size_t cou ret = MIDIbuf_write(dev, file, buf, count); break; } - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return ret; } @@ -210,7 +211,7 @@ static int sound_open(struct inode *inode, struct file *file) printk(KERN_ERR "Invalid minor device %d\n", dev); return -ENXIO; } - lock_kernel(); + mutex_lock(&soundcard_mutex); switch (dev & 0x0f) { case SND_DEV_CTL: dev >>= 4; @@ -247,15 +248,15 @@ static int sound_open(struct inode *inode, struct file *file) retval = -ENXIO; } - unlock_kernel(); - return 0; + mutex_unlock(&soundcard_mutex); + return retval; } static int sound_release(struct inode *inode, struct file *file) { int dev = iminor(inode); - lock_kernel(); + mutex_lock(&soundcard_mutex); DEB(printk("sound_release(dev=%d)\n", dev)); switch (dev & 0x0f) { case SND_DEV_CTL: @@ -280,7 +281,7 @@ static int sound_release(struct inode *inode, struct file *file) default: printk(KERN_ERR "Sound error: Releasing unknown device 0x%02x\n", dev); } - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return 0; } @@ -354,7 +355,7 @@ static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (cmd == OSS_GETVERSION) return __put_user(SOUND_VERSION, (int __user *)p); - lock_kernel(); + mutex_lock(&soundcard_mutex); if (_IOC_TYPE(cmd) == 'M' && num_mixers > 0 && /* Mixer ioctl */ (dev & 0x0f) != SND_DEV_CTL) { dtype = dev & 0x0f; @@ -369,7 +370,7 @@ static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ret = sound_mixer_ioctl(dev >> 4, cmd, p); break; } - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return ret; } @@ -399,7 +400,7 @@ static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg) break; } - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return ret; } @@ -439,35 +440,35 @@ static int sound_mmap(struct file *file, struct vm_area_struct *vma) printk(KERN_ERR "Sound: mmap() not supported for other than audio devices\n"); return -EINVAL; } - lock_kernel(); + mutex_lock(&soundcard_mutex); if (vma->vm_flags & VM_WRITE) /* Map write and read/write to the output buf */ dmap = audio_devs[dev]->dmap_out; else if (vma->vm_flags & VM_READ) dmap = audio_devs[dev]->dmap_in; else { printk(KERN_ERR "Sound: Undefined mmap() access\n"); - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return -EINVAL; } if (dmap == NULL) { printk(KERN_ERR "Sound: mmap() error. dmap == NULL\n"); - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return -EIO; } if (dmap->raw_buf == NULL) { printk(KERN_ERR "Sound: mmap() called when raw_buf == NULL\n"); - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return -EIO; } if (dmap->mapping_flags) { printk(KERN_ERR "Sound: mmap() called twice for the same DMA buffer\n"); - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return -EIO; } if (vma->vm_pgoff != 0) { printk(KERN_ERR "Sound: mmap() offset must be 0.\n"); - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return -EINVAL; } size = vma->vm_end - vma->vm_start; @@ -478,7 +479,7 @@ static int sound_mmap(struct file *file, struct vm_area_struct *vma) if (remap_pfn_range(vma, vma->vm_start, virt_to_phys(dmap->raw_buf) >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot)) { - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return -EAGAIN; } @@ -490,7 +491,7 @@ static int sound_mmap(struct file *file, struct vm_area_struct *vma) memset(dmap->raw_buf, dmap->neutral_byte, dmap->bytes_in_use); - unlock_kernel(); + mutex_unlock(&soundcard_mutex); return 0; } diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c index b15840a..44357d8 100644 --- a/sound/oss/swarm_cs4297a.c +++ b/sound/oss/swarm_cs4297a.c @@ -68,7 +68,6 @@ #include <linux/delay.h> #include <linux/sound.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/soundcard.h> #include <linux/ac97_codec.h> #include <linux/pci.h> @@ -94,6 +93,7 @@ struct cs4297a_state; +static DEFINE_MUTEX(swarm_cs4297a_mutex); static void stop_dac(struct cs4297a_state *s); static void stop_adc(struct cs4297a_state *s); static void start_dac(struct cs4297a_state *s); @@ -1535,7 +1535,7 @@ static int cs4297a_open_mixdev(struct inode *inode, struct file *file) CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4, printk(KERN_INFO "cs4297a: cs4297a_open_mixdev()+\n")); - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); list_for_each(entry, &cs4297a_devs) { s = list_entry(entry, struct cs4297a_state, list); @@ -1547,7 +1547,7 @@ static int cs4297a_open_mixdev(struct inode *inode, struct file *file) CS_DBGOUT(CS_FUNCTION | CS_OPEN | CS_ERROR, 2, printk(KERN_INFO "cs4297a: cs4297a_open_mixdev()- -ENODEV\n")); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return -ENODEV; } VALIDATE_STATE(s); @@ -1555,7 +1555,7 @@ static int cs4297a_open_mixdev(struct inode *inode, struct file *file) CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4, printk(KERN_INFO "cs4297a: cs4297a_open_mixdev()- 0\n")); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return nonseekable_open(inode, file); } @@ -1575,10 +1575,10 @@ static int cs4297a_ioctl_mixdev(struct file *file, unsigned int cmd, unsigned long arg) { int ret; - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); ret = mixer_ioctl((struct cs4297a_state *) file->private_data, cmd, arg); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return ret; } @@ -2350,9 +2350,9 @@ static long cs4297a_unlocked_ioctl(struct file *file, u_int cmd, u_long arg) { int ret; - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); ret = cs4297a_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return ret; } @@ -2509,9 +2509,9 @@ static int cs4297a_open(struct inode *inode, struct file *file) { int ret; - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); ret = cs4297a_open(inode, file); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return ret; } diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c index 8cd73cd..643f111 100644 --- a/sound/oss/vwsnd.c +++ b/sound/oss/vwsnd.c @@ -145,7 +145,6 @@ #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/interrupt.h> #include <linux/mutex.h> @@ -160,6 +159,7 @@ #ifdef VWSND_DEBUG +static DEFINE_MUTEX(vwsnd_mutex); static int shut_up = 1; /* @@ -2891,11 +2891,11 @@ static long vwsnd_audio_ioctl(struct file *file, vwsnd_dev_t *devc = (vwsnd_dev_t *) file->private_data; int ret; - lock_kernel(); + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->io_mutex); ret = vwsnd_audio_do_ioctl(file, cmd, arg); mutex_unlock(&devc->io_mutex); - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return ret; } @@ -2922,7 +2922,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) DBGE("(inode=0x%p, file=0x%p)\n", inode, file); - lock_kernel(); + mutex_lock(&vwsnd_mutex); INC_USE_COUNT; for (devc = vwsnd_dev_list; devc; devc = devc->next_dev) if ((devc->audio_minor & ~0x0F) == (minor & ~0x0F)) @@ -2930,7 +2930,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) if (devc == NULL) { DEC_USE_COUNT; - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return -ENODEV; } @@ -2939,13 +2939,13 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) mutex_unlock(&devc->open_mutex); if (file->f_flags & O_NONBLOCK) { DEC_USE_COUNT; - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return -EBUSY; } interruptible_sleep_on(&devc->open_wait); if (signal_pending(current)) { DEC_USE_COUNT; - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return -ERESTARTSYS; } mutex_lock(&devc->open_mutex); @@ -2998,7 +2998,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) file->private_data = devc; DBGRV(); - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return 0; } @@ -3012,7 +3012,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file) vwsnd_port_t *wport = NULL, *rport = NULL; int err = 0; - lock_kernel(); + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->io_mutex); { DBGEV("(inode=0x%p, file=0x%p)\n", inode, file); @@ -3040,7 +3040,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file) wake_up(&devc->open_wait); DEC_USE_COUNT; DBGR(); - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return err; } @@ -3068,18 +3068,18 @@ static int vwsnd_mixer_open(struct inode *inode, struct file *file) DBGEV("(inode=0x%p, file=0x%p)\n", inode, file); INC_USE_COUNT; - lock_kernel(); + mutex_lock(&vwsnd_mutex); for (devc = vwsnd_dev_list; devc; devc = devc->next_dev) if (devc->mixer_minor == iminor(inode)) break; if (devc == NULL) { DEC_USE_COUNT; - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return -ENODEV; } file->private_data = devc; - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return 0; } @@ -3223,7 +3223,7 @@ static long vwsnd_mixer_ioctl(struct file *file, DBGEV("(devc=0x%p, cmd=0x%x, arg=0x%lx)\n", devc, cmd, arg); - lock_kernel(); + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->mix_mutex); { if ((cmd & ~nrmask) == MIXER_READ(0)) @@ -3234,7 +3234,7 @@ static long vwsnd_mixer_ioctl(struct file *file, retval = -EINVAL; } mutex_unlock(&devc->mix_mutex); - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return retval; } |