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Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa

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This commit is contained in:
Linus Torvalds
2005-11-07 08:09:02 -08:00
parent 8e33ba4976 b00e8443c3
commit 8f0cb147b2
165 changed files with 3679 additions and 3016 deletions
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29
Documentation/sound/alsa/ALSA-Configuration.txt
View File

@@ -167,7 +167,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
spdif - Support SPDIF I/O
- Default: disabled
Module supports autoprobe and multiple chips (max 8).
This module supports one chip and autoprobe.
The power-management is supported.
@@ -206,7 +206,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
See "AC97 Quirk Option" section below.
spdif_aclink - S/PDIF transfer over AC-link (default = 1)
This module supports up to 8 cards and autoprobe.
This module supports one card and autoprobe.
ATI IXP has two different methods to control SPDIF output. One is
over AC-link and another is over the "direct" SPDIF output. The
@@ -218,7 +218,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
Module for ATI IXP 150/200/250 AC97 modem controllers.
Module supports up to 8 cards.
This module supports one card and autoprobe.
Note: The default index value of this module is -2, i.e. the first
slot is excluded.
@@ -637,7 +637,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
model - force the model name
position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
Module supports up to 8 cards.
This module supports one card and autoprobe.
Each codec may have a model table for different configurations.
If your machine isn't listed there, the default (usually minimal)
@@ -663,6 +663,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
adjusted. Appearing only when compiled with
$CONFIG_SND_DEBUG=y
ALC260
hp HP machines
fujitsu Fujitsu S7020
CMI9880
minimal 3-jack in back
min_fp 3-jack in back, 2-jack in front
@@ -811,7 +815,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
semaphores (e.g. on some ASUS laptops)
(default off)
Module supports autoprobe and multiple bus-master chips (max 8).
This module supports one chip and autoprobe.
Note: the latest driver supports auto-detection of chip clock.
if you still encounter too fast playback, specify the clock
@@ -830,7 +834,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
ac97_clock - AC'97 codec clock base (0 = auto-detect)
This module supports up to 8 cards and autoprobe.
This module supports one card and autoprobe.
Note: The default index value of this module is -2, i.e. the first
slot is excluded.
@@ -950,8 +954,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
use_cache - 0 or 1 (disabled by default)
vaio_hack - alias buffer_top=0x25a800
reset_workaround - enable AC97 RESET workaround for some laptops
reset_workaround2 - enable extended AC97 RESET workaround for some
other laptops
Module supports autoprobe and multiple chips (max 8).
This module supports one chip and autoprobe.
The power-management is supported.
@@ -980,6 +986,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
workaround is enabled automatically. For other laptops with a
hard freeze, you can try reset_workaround=1 option.
Note: Dell Latitude CSx laptops have another problem regarding
AC97 RESET. On these laptops, reset_workaround2 option is
turned on as default. This option is worth to try if the
previous reset_workaround option doesn't help.
Note: This driver is really crappy. It's a porting from the
OSS driver, which is a result of black-magic reverse engineering.
The detection of codec will fail if the driver is loaded *after*
@@ -1310,7 +1321,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
ac97_quirk - AC'97 workaround for strange hardware
See "AC97 Quirk Option" section below.
Module supports autoprobe and multiple bus-master chips (max 8).
This module supports one chip and autoprobe.
Note: on some SMP motherboards like MSI 694D the interrupts might
not be generated properly. In such a case, please try to
@@ -1352,7 +1363,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
ac97_clock - AC'97 codec clock base (default 48000Hz)
Module supports up to 8 cards.
This module supports one card and autoprobe.
Note: The default index value of this module is -2, i.e. the first
slot is excluded.

56
Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
View File

@@ -18,8 +18,8 @@
</affiliation>
</author>
<date>March 6, 2005</date>
<edition>0.3.4</edition>
<date>October 6, 2005</date>
<edition>0.3.5</edition>
<abstract>
<para>
@@ -30,7 +30,7 @@
<legalnotice>
<para>
Copyright (c) 2002-2004 Takashi Iwai <email>tiwai@suse.de</email>
Copyright (c) 2002-2005 Takashi Iwai <email>tiwai@suse.de</email>
</para>
<para>
@@ -1433,25 +1433,10 @@
<informalexample>
<programlisting>
<![CDATA[
if (chip->res_port) {
release_resource(chip->res_port);
kfree_nocheck(chip->res_port);
}
release_and_free_resource(chip->res_port);
]]>
</programlisting>
</informalexample>
As you can see, the resource pointer is also to be freed
via <function>kfree_nocheck()</function> after
<function>release_resource()</function> is called. You
cannot use <function>kfree()</function> here, because on ALSA,
<function>kfree()</function> may be a wrapper to its own
allocator with the memory debugging. Since the resource pointer
is allocated externally outside the ALSA, it must be released
via the native
<function>kfree()</function>.
<function>kfree_nocheck()</function> is used for that; it calls
the native <function>kfree()</function> without wrapper.
</para>
<para>
@@ -2190,8 +2175,7 @@ struct _snd_pcm_runtime {
unsigned int rate_den;
/* -- SW params -- */
int tstamp_timespec; /* use timeval (0) or timespec (1) */
snd_pcm_tstamp_t tstamp_mode; /* mmap timestamp is updated */
struct timespec tstamp_mode; /* mmap timestamp is updated */
unsigned int period_step;
unsigned int sleep_min; /* min ticks to sleep */
snd_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */
@@ -3709,8 +3693,7 @@ struct _snd_pcm_runtime {
<para>
Here, the chip instance is retrieved via
<function>snd_kcontrol_chip()</function> macro. This macro
converts from kcontrol-&gt;private_data to the type defined by
<type>chip_t</type>. The
just accesses to kcontrol-&gt;private_data. The
kcontrol-&gt;private_data field is
given as the argument of <function>snd_ctl_new()</function>
(see the later subsection
@@ -5998,32 +5981,23 @@ struct _snd_pcm_runtime {
The first argument is the expression to evaluate, and the
second argument is the action if it fails. When
<constant>CONFIG_SND_DEBUG</constant>, is set, it will show an
error message such as <computeroutput>BUG? (xxx) (called from
yyy)</computeroutput>. When no debug flag is set, this is
ignored.
error message such as <computeroutput>BUG? (xxx)</computeroutput>
together with stack trace.
</para>
</section>
<section id="useful-functions-snd-runtime-check">
<title><function>snd_runtime_check()</function></title>
<para>
This macro is quite similar with
<function>snd_assert()</function>. Unlike
<function>snd_assert()</function>, the expression is always
evaluated regardless of
<constant>CONFIG_SND_DEBUG</constant>. When
<constant>CONFIG_SND_DEBUG</constant> is set, the macro will
show a message like <computeroutput>ERROR (xx) (called from
yyy)</computeroutput>.
When no debug flag is set, this macro is ignored.
</para>
</section>
<section id="useful-functions-snd-bug">
<title><function>snd_BUG()</function></title>
<para>
It calls <function>snd_assert(0,)</function> -- that is, just
prints the error message at the point. It's useful to show that
a fatal error happens there.
It shows <computeroutput>BUG?</computeroutput> message and
stack trace as well as <function>snd_assert</function> at the point.
It's useful to show that a fatal error happens there.
</para>
<para>
When no debug flag is set, this macro is ignored.
</para>
</section>
</chapter>

65
drivers/char/rtc.c
View File

@@ -149,8 +149,22 @@ static void get_rtc_alm_time (struct rtc_time *alm_tm);
#ifdef RTC_IRQ
static void rtc_dropped_irq(unsigned long data);
static void set_rtc_irq_bit(unsigned char bit);
static void mask_rtc_irq_bit(unsigned char bit);
static void set_rtc_irq_bit_locked(unsigned char bit);
static void mask_rtc_irq_bit_locked(unsigned char bit);
static inline void set_rtc_irq_bit(unsigned char bit)
{
spin_lock_irq(&rtc_lock);
set_rtc_irq_bit_locked(bit);
spin_unlock_irq(&rtc_lock);
}
static void mask_rtc_irq_bit(unsigned char bit)
{
spin_lock_irq(&rtc_lock);
mask_rtc_irq_bit_locked(bit);
spin_unlock_irq(&rtc_lock);
}
#endif
static int rtc_proc_open(struct inode *inode, struct file *file);
@@ -401,18 +415,19 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
}
case RTC_PIE_OFF: /* Mask periodic int. enab. bit */
{
mask_rtc_irq_bit(RTC_PIE);
unsigned long flags; /* can be called from isr via rtc_control() */
spin_lock_irqsave (&rtc_lock, flags);
mask_rtc_irq_bit_locked(RTC_PIE);
if (rtc_status & RTC_TIMER_ON) {
spin_lock_irq (&rtc_lock);
rtc_status &= ~RTC_TIMER_ON;
del_timer(&rtc_irq_timer);
spin_unlock_irq (&rtc_lock);
}
spin_unlock_irqrestore (&rtc_lock, flags);
return 0;
}
case RTC_PIE_ON: /* Allow periodic ints */
{
unsigned long flags; /* can be called from isr via rtc_control() */
/*
* We don't really want Joe User enabling more
* than 64Hz of interrupts on a multi-user machine.
@@ -421,14 +436,14 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
(!capable(CAP_SYS_RESOURCE)))
return -EACCES;
spin_lock_irqsave (&rtc_lock, flags);
if (!(rtc_status & RTC_TIMER_ON)) {
spin_lock_irq (&rtc_lock);
rtc_irq_timer.expires = jiffies + HZ/rtc_freq + 2*HZ/100;
add_timer(&rtc_irq_timer);
rtc_status |= RTC_TIMER_ON;
spin_unlock_irq (&rtc_lock);
}
set_rtc_irq_bit(RTC_PIE);
set_rtc_irq_bit_locked(RTC_PIE);
spin_unlock_irqrestore (&rtc_lock, flags);
return 0;
}
case RTC_UIE_OFF: /* Mask ints from RTC updates. */
@@ -609,6 +624,7 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
{
int tmp = 0;
unsigned char val;
unsigned long flags; /* can be called from isr via rtc_control() */
/*
* The max we can do is 8192Hz.
@@ -631,9 +647,9 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
if (arg != (1<<tmp))
return -EINVAL;
spin_lock_irq(&rtc_lock);
spin_lock_irqsave(&rtc_lock, flags);
if (hpet_set_periodic_freq(arg)) {
spin_unlock_irq(&rtc_lock);
spin_unlock_irqrestore(&rtc_lock, flags);
return 0;
}
rtc_freq = arg;
@@ -641,7 +657,7 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
val = CMOS_READ(RTC_FREQ_SELECT) & 0xf0;
val |= (16 - tmp);
CMOS_WRITE(val, RTC_FREQ_SELECT);
spin_unlock_irq(&rtc_lock);
spin_unlock_irqrestore(&rtc_lock, flags);
return 0;
}
#endif
@@ -844,12 +860,15 @@ int rtc_control(rtc_task_t *task, unsigned int cmd, unsigned long arg)
#ifndef RTC_IRQ
return -EIO;
#else
spin_lock_irq(&rtc_task_lock);
unsigned long flags;
if (cmd != RTC_PIE_ON && cmd != RTC_PIE_OFF && cmd != RTC_IRQP_SET)
return -EINVAL;
spin_lock_irqsave(&rtc_task_lock, flags);
if (rtc_callback != task) {
spin_unlock_irq(&rtc_task_lock);
spin_unlock_irqrestore(&rtc_task_lock, flags);
return -ENXIO;
}
spin_unlock_irq(&rtc_task_lock);
spin_unlock_irqrestore(&rtc_task_lock, flags);
return rtc_do_ioctl(cmd, arg, 1);
#endif
}
@@ -1306,40 +1325,32 @@ static void get_rtc_alm_time(struct rtc_time *alm_tm)
* meddles with the interrupt enable/disable bits.
*/
static void mask_rtc_irq_bit(unsigned char bit)
static void mask_rtc_irq_bit_locked(unsigned char bit)
{
unsigned char val;
spin_lock_irq(&rtc_lock);
if (hpet_mask_rtc_irq_bit(bit)) {
spin_unlock_irq(&rtc_lock);
if (hpet_mask_rtc_irq_bit(bit))
return;
}
val = CMOS_READ(RTC_CONTROL);
val &= ~bit;
CMOS_WRITE(val, RTC_CONTROL);
CMOS_READ(RTC_INTR_FLAGS);
rtc_irq_data = 0;
spin_unlock_irq(&rtc_lock);
}
static void set_rtc_irq_bit(unsigned char bit)
static void set_rtc_irq_bit_locked(unsigned char bit)
{
unsigned char val;
spin_lock_irq(&rtc_lock);
if (hpet_set_rtc_irq_bit(bit)) {
spin_unlock_irq(&rtc_lock);
if (hpet_set_rtc_irq_bit(bit))
return;
}
val = CMOS_READ(RTC_CONTROL);
val |= bit;
CMOS_WRITE(val, RTC_CONTROL);
CMOS_READ(RTC_INTR_FLAGS);
rtc_irq_data = 0;
spin_unlock_irq(&rtc_lock);
}
#endif

10
include/sound/ac97_codec.h
View File

@@ -387,15 +387,6 @@
#define AC97_RATES_MIC_ADC 4
#define AC97_RATES_SPDIF 5
/* shared controllers */
enum {
AC97_SHARED_TYPE_NONE,
AC97_SHARED_TYPE_ICH,
AC97_SHARED_TYPE_ATIIXP,
AC97_SHARED_TYPE_VIA,
AC97_SHARED_TYPES
};
/*
*
*/
@@ -468,7 +459,6 @@ struct _snd_ac97_bus {
unsigned short used_slots[2][4]; /* actually used PCM slots */
unsigned short pcms_count; /* count of PCMs */
struct ac97_pcm *pcms;
unsigned int shared_type; /* type of shared controller betwen audio and modem */
ac97_t *codec[4];
snd_info_entry_t *proc;
};

94
include/sound/core.h
View File

@@ -29,7 +29,6 @@
#include <linux/pm.h> /* pm_message_t */
/* Typedef's */
typedef struct timespec snd_timestamp_t;
typedef struct sndrv_interval snd_interval_t;
typedef enum sndrv_card_type snd_card_type;
typedef struct sndrv_xferi snd_xferi_t;
@@ -256,6 +255,7 @@ typedef struct _snd_minor snd_minor_t;
/* sound.c */
extern int snd_major;
extern int snd_ecards_limit;
void snd_request_card(int card);
@@ -285,39 +285,6 @@ int snd_oss_init_module(void);
/* memory.c */
#ifdef CONFIG_SND_DEBUG_MEMORY
void snd_memory_init(void);
void snd_memory_done(void);
int snd_memory_info_init(void);
int snd_memory_info_done(void);
void *snd_hidden_kmalloc(size_t size, gfp_t flags);
void *snd_hidden_kzalloc(size_t size, gfp_t flags);
void *snd_hidden_kcalloc(size_t n, size_t size, gfp_t flags);
void snd_hidden_kfree(const void *obj);
void *snd_hidden_vmalloc(unsigned long size);
void snd_hidden_vfree(void *obj);
char *snd_hidden_kstrdup(const char *s, gfp_t flags);
#define kmalloc(size, flags) snd_hidden_kmalloc(size, flags)
#define kzalloc(size, flags) snd_hidden_kzalloc(size, flags)
#define kcalloc(n, size, flags) snd_hidden_kcalloc(n, size, flags)
#define kfree(obj) snd_hidden_kfree(obj)
#define vmalloc(size) snd_hidden_vmalloc(size)
#define vfree(obj) snd_hidden_vfree(obj)
#define kmalloc_nocheck(size, flags) snd_wrapper_kmalloc(size, flags)
#define vmalloc_nocheck(size) snd_wrapper_vmalloc(size)
#define kfree_nocheck(obj) snd_wrapper_kfree(obj)
#define vfree_nocheck(obj) snd_wrapper_vfree(obj)
#define kstrdup(s, flags) snd_hidden_kstrdup(s, flags)
#else
#define snd_memory_init() /*NOP*/
#define snd_memory_done() /*NOP*/
#define snd_memory_info_init() /*NOP*/
#define snd_memory_info_done() /*NOP*/
#define kmalloc_nocheck(size, flags) kmalloc(size, flags)
#define vmalloc_nocheck(size) vmalloc(size)
#define kfree_nocheck(obj) kfree(obj)
#define vfree_nocheck(obj) vfree(obj)
#endif
int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);
int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count);
@@ -373,8 +340,9 @@ unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
#endif
/* misc.c */
struct resource;
void release_and_free_resource(struct resource *res);
int snd_task_name(struct task_struct *task, char *name, size_t size);
#ifdef CONFIG_SND_VERBOSE_PRINTK
void snd_verbose_printk(const char *file, int line, const char *format, ...)
__attribute__ ((format (printf, 3, 4)));
@@ -429,34 +397,24 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
* When CONFIG_SND_DEBUG is not set, the expression is executed but
* not checked.
*/
#define snd_assert(expr, args...) do {\
if (unlikely(!(expr))) { \
snd_printk(KERN_ERR "BUG? (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\
args;\
}\
#define snd_assert(expr, args...) do { \
if (unlikely(!(expr))) { \
snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr)); \
dump_stack(); \
args; \
} \
} while (0)
/**
* snd_runtime_check - run-time assertion macro
* @expr: expression
* @args...: the action
*
* This macro checks the expression in run-time and invokes the commands
* given in the rest arguments if the assertion is failed.
* Unlike snd_assert(), the action commands are executed even if
* CONFIG_SND_DEBUG is not set but without any error messages.
*/
#define snd_runtime_check(expr, args...) do {\
if (unlikely(!(expr))) { \
snd_printk(KERN_ERR "ERROR (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\
args;\
}\
#define snd_BUG() do { \
snd_printk(KERN_ERR "BUG?\n"); \
dump_stack(); \
} while (0)
#else /* !CONFIG_SND_DEBUG */
#define snd_printd(fmt, args...) /* nothing */
#define snd_assert(expr, args...) (void)(expr)
#define snd_runtime_check(expr, args...) do { if (!(expr)) { args; } } while (0)
#define snd_BUG() /* nothing */
#endif /* CONFIG_SND_DEBUG */
@@ -473,30 +431,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
#define snd_printdd(format, args...) /* nothing */
#endif
#define snd_BUG() snd_assert(0, )
static inline void snd_timestamp_now(struct timespec *tstamp, int timespec)
{
struct timeval val;
/* FIXME: use a linear time source */
do_gettimeofday(&val);
tstamp->tv_sec = val.tv_sec;
tstamp->tv_nsec = val.tv_usec;
if (timespec)
tstamp->tv_nsec *= 1000L;
}
static inline void snd_timestamp_zero(struct timespec *tstamp)
{
tstamp->tv_sec = 0;
tstamp->tv_nsec = 0;
}
static inline int snd_timestamp_null(struct timespec *tstamp)
{
return tstamp->tv_sec == 0 && tstamp->tv_nsec == 0;
}
#define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */

17
include/sound/driver.h
View File

@@ -44,21 +44,4 @@
#include <linux/module.h>
/*
* ==========================================================================
*/
#ifdef CONFIG_SND_DEBUG_MEMORY
#include <linux/slab.h>
#include <linux/vmalloc.h>
void *snd_wrapper_kmalloc(size_t, gfp_t);
#undef kmalloc
void snd_wrapper_kfree(const void *);
#undef kfree
void *snd_wrapper_vmalloc(size_t);
#undef vmalloc
void snd_wrapper_vfree(void *);
#undef vfree
#endif
#endif /* __SOUND_DRIVER_H */

3
include/sound/emu10k1.h
View File

@@ -48,7 +48,8 @@
/* FIXME? - according to the OSS driver the EMU10K1 needs a 29 bit DMA mask */
#define EMU10K1_DMA_MASK 0x7fffffffUL /* 31bit */
#define AUDIGY_DMA_MASK 0xffffffffUL /* 32bit */
#define AUDIGY_DMA_MASK 0x7fffffffUL /* 31bit FIXME - 32 should work? */
/* See ALSA bug #1276 - rlrevell */
#define TMEMSIZE 256*1024
#define TMEMSIZEREG 4

8
include/sound/minors.h
View File

@@ -27,8 +27,9 @@
#define SNDRV_MINOR(card, dev) (((card) << 5) | (dev))
#define SNDRV_MINOR_CONTROL 0 /* 0 - 0 */
#define SNDRV_MINOR_SEQUENCER 1
#define SNDRV_MINOR_TIMER (1+32)
#define SNDRV_MINOR_GLOBAL 1 /* 1 */
#define SNDRV_MINOR_SEQUENCER (SNDRV_MINOR_GLOBAL + 0 * 32)
#define SNDRV_MINOR_TIMER (SNDRV_MINOR_GLOBAL + 1 * 32)
#define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */
#define SNDRV_MINOR_HWDEPS 4
#define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */
@@ -39,12 +40,9 @@
#define SNDRV_DEVICE_TYPE_CONTROL SNDRV_MINOR_CONTROL
#define SNDRV_DEVICE_TYPE_HWDEP SNDRV_MINOR_HWDEP
#define SNDRV_DEVICE_TYPE_MIXER SNDRV_MINOR_MIXER
#define SNDRV_DEVICE_TYPE_RAWMIDI SNDRV_MINOR_RAWMIDI
#define SNDRV_DEVICE_TYPE_PCM_PLAYBACK SNDRV_MINOR_PCM_PLAYBACK
#define SNDRV_DEVICE_TYPE_PCM_PLOOP SNDRV_MINOR_PCM_PLOOP
#define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE
#define SNDRV_DEVICE_TYPE_PCM_CLOOP SNDRV_MINOR_PCM_CLOOP
#define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER
#define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER

3
include/sound/pcm.h
View File

@@ -281,7 +281,7 @@ typedef struct {
struct _snd_pcm_runtime {
/* -- Status -- */
snd_pcm_substream_t *trigger_master;
snd_timestamp_t trigger_tstamp; /* trigger timestamp */
struct timespec trigger_tstamp; /* trigger timestamp */
int overrange;
snd_pcm_uframes_t avail_max;
snd_pcm_uframes_t hw_ptr_base; /* Position at buffer restart */
@@ -306,7 +306,6 @@ struct _snd_pcm_runtime {
unsigned int rate_den;
/* -- SW params -- */
int tstamp_timespec; /* use timeval (0) or timespec (1) */
snd_pcm_tstamp_t tstamp_mode; /* mmap timestamp is updated */
unsigned int period_step;
unsigned int sleep_min; /* min ticks to sleep */

1
include/sound/timer.h
View File

@@ -88,6 +88,7 @@ struct _snd_timer_hardware {
struct _snd_timer {
snd_timer_class_t tmr_class;
snd_card_t *card;
struct module *module;
int tmr_device;
int tmr_subdevice;
char id[64];

4
include/sound/version.h
View File

@@ -1,3 +1,3 @@
/* include/version.h. Generated by configure. */
#define CONFIG_SND_VERSION "1.0.10rc1"
#define CONFIG_SND_DATE " (Mon Sep 12 08:13:09 2005 UTC)"
#define CONFIG_SND_VERSION "1.0.10rc3"
#define CONFIG_SND_DATE " (Mon Nov 07 13:30:21 2005 UTC)"

8
sound/Kconfig
View File

@@ -48,6 +48,14 @@ config SND
For more information, see <http://www.alsa-project.org/>
config SND_AC97_CODEC
tristate
select SND_PCM
select SND_AC97_BUS
config SND_AC97_BUS
tristate
source "sound/core/Kconfig"
source "sound/drivers/Kconfig"

6
sound/core/Kconfig
View File

@@ -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

3
sound/core/Makefile
View File

@@ -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

18
sound/core/control.c
View File

@@ -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);

10
sound/core/hwdep.c
View File

@@ -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];

2
sound/core/info.c
View File

@@ -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)

7
sound/core/init.c
View File

@@ -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;

216
sound/core/memory.c
View File

@@ -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

14
sound/core/misc.c
View File

@@ -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

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