diff options
78 files changed, 2204 insertions, 1647 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 8c16d50f6cb6..221b81016dba 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1545,7 +1545,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. Module for sound cards based on the C-Media CMI8786/8787/8788 chip: * Asound A-8788 - * Asus Xonar DG + * Asus Xonar DG/DGX * AuzenTech X-Meridian * AuzenTech X-Meridian 2G * Bgears b-Enspirer diff --git a/include/sound/asound.h b/include/sound/asound.h index a2e4ff5ba9e9..0876a1e76aef 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -70,6 +70,20 @@ struct snd_aes_iec958 { /**************************************************************************** * * + * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * + * * + ****************************************************************************/ + +struct snd_cea_861_aud_if { + unsigned char db1_ct_cc; /* coding type and channel count */ + unsigned char db2_sf_ss; /* sample frequency and size */ + unsigned char db3; /* not used, all zeros */ + unsigned char db4_ca; /* channel allocation code */ + unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ +}; + +/**************************************************************************** + * * * Section for driver hardware dependent interface - /dev/snd/hw? * * * ****************************************************************************/ diff --git a/include/sound/asoundef.h b/include/sound/asoundef.h index 20ebf3298eba..bb05c02f89b0 100644 --- a/include/sound/asoundef.h +++ b/include/sound/asoundef.h @@ -170,6 +170,47 @@ #define IEC958_AES5_CON_CGMSA_COPYNOMORE (2<<0) /* condition not be used */ #define IEC958_AES5_CON_CGMSA_COPYNEVER (3<<0) /* no copying is permitted */ +/**************************************************************************** + * * + * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * + * * + ****************************************************************************/ +#define CEA861_AUDIO_INFOFRAME_DB1CC (7<<0) /* mask - channel count */ +#define CEA861_AUDIO_INFOFRAME_DB1CT (0xf<<4) /* mask - coding type */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_FROM_STREAM (0<<4) /* refer to stream */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_IEC60958 (1<<4) /* IEC-60958 L-PCM */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_AC3 (2<<4) /* AC-3 */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_MPEG1 (3<<4) /* MPEG1 Layers 1 & 2 */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_MP3 (4<<4) /* MPEG1 Layer 3 */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_MPEG2_MULTICH (5<<4) /* MPEG2 Multichannel */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_AAC (6<<4) /* AAC */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_DTS (7<<4) /* DTS */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_ATRAC (8<<4) /* ATRAC */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_ONEBIT (9<<4) /* One Bit Audio */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_DOLBY_DIG_PLUS (10<<4) /* Dolby Digital + */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_DTS_HD (11<<4) /* DTS-HD */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_MAT (12<<4) /* MAT (MLP) */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_DST (13<<4) /* DST */ +#define CEA861_AUDIO_INFOFRAME_DB1CT_WMA_PRO (14<<4) /* WMA Pro */ +#define CEA861_AUDIO_INFOFRAME_DB2SF (7<<2) /* mask - sample frequency */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_FROM_STREAM (0<<2) /* refer to stream */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_32000 (1<<2) /* 32kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_44100 (2<<2) /* 44.1kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_48000 (3<<2) /* 48kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_88200 (4<<2) /* 88.2kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_96000 (5<<2) /* 96kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_176400 (6<<2) /* 176.4kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SF_192000 (7<<2) /* 192kHz */ +#define CEA861_AUDIO_INFOFRAME_DB2SS (3<<0) /* mask - sample size */ +#define CEA861_AUDIO_INFOFRAME_DB2SS_FROM_STREAM (0<<0) /* refer to stream */ +#define CEA861_AUDIO_INFOFRAME_DB2SS_16BIT (1<<0) /* 16 bits */ +#define CEA861_AUDIO_INFOFRAME_DB2SS_20BIT (2<<0) /* 20 bits */ +#define CEA861_AUDIO_INFOFRAME_DB2SS_24BIT (3<<0) /* 24 bits */ +#define CEA861_AUDIO_INFOFRAME_DB5_DM_INH (1<<7) /* mask - inhibit downmixing */ +#define CEA861_AUDIO_INFOFRAME_DB5_DM_INH_PERMITTED (0<<7) /* stereo downmix permitted */ +#define CEA861_AUDIO_INFOFRAME_DB5_DM_INH_PROHIBITED (1<<7) /* stereo downmis prohibited */ +#define CEA861_AUDIO_INFOFRAME_DB5_LSV (0xf<<3) /* mask - level-shift values */ + /***************************************************************************** * * * MIDI v1.0 interface * diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c index 115313ef54d6..f5ded640b395 100644 --- a/sound/atmel/ac97c.c +++ b/sound/atmel/ac97c.c @@ -991,6 +991,8 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev) gpio_direction_output(pdata->reset_pin, 1); chip->reset_pin = pdata->reset_pin; } + } else { + chip->reset_pin = -EINVAL; } snd_card_set_dev(card, &pdev->dev); diff --git a/sound/core/jack.c b/sound/core/jack.c index 471e1e3b0a99..a06b1651fcba 100644 --- a/sound/core/jack.c +++ b/sound/core/jack.c @@ -155,7 +155,7 @@ EXPORT_SYMBOL(snd_jack_new); * @jack: The jack to configure * @parent: The device to set as parent for the jack. * - * Set the parent for the jack input device in the device tree. This + * Set the parent for the jack devices in the device tree. This * function is only valid prior to registration of the jack. If no * parent is configured then the parent device will be the sound card. */ @@ -179,6 +179,9 @@ EXPORT_SYMBOL(snd_jack_set_parent); * mapping is provided but keys are enabled in the jack type then * BTN_n numeric buttons will be reported. * + * If jacks are not reporting via the input API this call will have no + * effect. + * * Note that this is intended to be use by simple devices with small * numbers of keys that can be reported. It is also possible to * access the input device directly - devices with complex input diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 4d18941178e6..faedb1481b24 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1894,6 +1894,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_uframes_t xfer = 0; snd_pcm_uframes_t offset = 0; + snd_pcm_uframes_t avail; int err = 0; if (size == 0) @@ -1917,13 +1918,12 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, } runtime->twake = runtime->control->avail_min ? : 1; + if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) + snd_pcm_update_hw_ptr(substream); + avail = snd_pcm_playback_avail(runtime); while (size > 0) { snd_pcm_uframes_t frames, appl_ptr, appl_ofs; - snd_pcm_uframes_t avail; snd_pcm_uframes_t cont; - if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) - snd_pcm_update_hw_ptr(substream); - avail = snd_pcm_playback_avail(runtime); if (!avail) { if (nonblock) { err = -EAGAIN; @@ -1971,6 +1971,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, offset += frames; size -= frames; xfer += frames; + avail -= frames; if (runtime->status->state == SNDRV_PCM_STATE_PREPARED && snd_pcm_playback_hw_avail(runtime) >= (snd_pcm_sframes_t)runtime->start_threshold) { err = snd_pcm_start(substream); @@ -2111,6 +2112,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_uframes_t xfer = 0; snd_pcm_uframes_t offset = 0; + snd_pcm_uframes_t avail; int err = 0; if (size == 0) @@ -2141,13 +2143,12 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, } runtime->twake = runtime->control->avail_min ? : 1; + if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) + snd_pcm_update_hw_ptr(substream); + avail = snd_pcm_capture_avail(runtime); while (size > 0) { snd_pcm_uframes_t frames, appl_ptr, appl_ofs; - snd_pcm_uframes_t avail; snd_pcm_uframes_t cont; - if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) - snd_pcm_update_hw_ptr(substream); - avail = snd_pcm_capture_avail(runtime); if (!avail) { if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) { @@ -2202,6 +2203,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, offset += frames; size -= frames; xfer += frames; + avail -= frames; } _end_unlock: runtime->twake = 0; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 3fe99e644eb8..53b5ada8f7c3 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1360,7 +1360,14 @@ static int snd_pcm_prepare(struct snd_pcm_substream *substream, static int snd_pcm_pre_drain_init(struct snd_pcm_substream *substream, int state) { - substream->runtime->trigger_master = substream; + struct snd_pcm_runtime *runtime = substream->runtime; + switch (runtime->status->state) { + case SNDRV_PCM_STATE_OPEN: + case SNDRV_PCM_STATE_DISCONNECTED: + case SNDRV_PCM_STATE_SUSPENDED: + return -EBADFD; + } + runtime->trigger_master = substream; return 0; } @@ -1379,6 +1386,9 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream, int state) case SNDRV_PCM_STATE_RUNNING: runtime->status->state = SNDRV_PCM_STATE_DRAINING; break; + case SNDRV_PCM_STATE_XRUN: + runtime->status->state = SNDRV_PCM_STATE_SETUP; + break; default: break; } diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c index c70092043061..e9528333e36d 100644 --- a/sound/core/sound_oss.c +++ b/sound/core/sound_oss.c @@ -35,7 +35,7 @@ #include <linux/sound.h> #include <linux/mutex.h> -#define SNDRV_OSS_MINORS 128 +#define SNDRV_OSS_MINORS 256 static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS]; static DEFINE_MUTEX(sound_oss_mutex); @@ -111,7 +111,7 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev, int register1 = -1, register2 = -1; struct device *carddev = snd_card_get_device_link(card); - if (card && card->number >= 8) + if (card && card->number >= SNDRV_MINOR_OSS_DEVICES) return 0; /* ignore silently */ if (minor < 0) return minor; @@ -170,7 +170,7 @@ int snd_unregister_oss_device(int type, struct snd_card *card, int dev) int track2 = -1; struct snd_minor *mptr; - if (card && card->number >= 8) + if (card && card->number >= SNDRV_MINOR_OSS_DEVICES) return 0; if (minor < 0) return minor; diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index ad079b63b8ba..8b5c36f4d303 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -117,6 +117,7 @@ struct loopback_pcm { /* timer stuff */ unsigned int irq_pos; /* fractional IRQ position */ unsigned int period_size_frac; + unsigned int last_drift; unsigned long last_jiffies; struct timer_list timer; }; @@ -264,6 +265,7 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd) return err; dpcm->last_jiffies = jiffies; dpcm->pcm_rate_shift = 0; + dpcm->last_drift = 0; spin_lock(&cable->lock); cable->running |= stream; cable->pause &= ~stream; @@ -444,34 +446,30 @@ static void copy_play_buf(struct loopback_pcm *play, } } -#define BYTEPOS_UPDATE_POSONLY 0 -#define BYTEPOS_UPDATE_CLEAR 1 -#define BYTEPOS_UPDATE_COPY 2 - -static void loopback_bytepos_update(struct loopback_pcm *dpcm, - unsigned int delta, - unsigned int cmd) +static inline unsigned int bytepos_delta(struct loopback_pcm *dpcm, + unsigned int jiffies_delta) { - unsigned int count; unsigned long last_pos; + unsigned int delta; last_pos = byte_pos(dpcm, dpcm->irq_pos); - dpcm->irq_pos += delta * dpcm->pcm_bps; - count = byte_pos(dpcm, dpcm->irq_pos) - last_pos; - if (!count) - return; - if (cmd == BYTEPOS_UPDATE_CLEAR) - clear_capture_buf(dpcm, count); - else if (cmd == BYTEPOS_UPDATE_COPY) - copy_play_buf(dpcm->cable->streams[SNDRV_PCM_STREAM_PLAYBACK], - dpcm->cable->streams[SNDRV_PCM_STREAM_CAPTURE], - count); - dpcm->buf_pos += count; - dpcm->buf_pos %= dpcm->pcm_buffer_size; + dpcm->irq_pos += jiffies_delta * dpcm->pcm_bps; + delta = byte_pos(dpcm, dpcm->irq_pos) - last_pos; + if (delta >= dpcm->last_drift) + delta -= dpcm->last_drift; + dpcm->last_drift = 0; if (dpcm->irq_pos >= dpcm->period_size_frac) { dpcm->irq_pos %= dpcm->period_size_frac; dpcm->period_update_pending = 1; } + return delta; +} + +static inline void bytepos_finish(struct loopback_pcm *dpcm, + unsigned int delta) +{ + dpcm->buf_pos += delta; + dpcm->buf_pos %= dpcm->pcm_buffer_size; } static unsigned int loopback_pos_update(struct loopback_cable *cable) @@ -481,7 +479,7 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable) struct loopback_pcm *dpcm_capt = cable->streams[SNDRV_PCM_STREAM_CAPTURE]; unsigned long delta_play = 0, delta_capt = 0; - unsigned int running; + unsigned int running, count1, count2; unsigned long flags; spin_lock_irqsave(&cable->lock, flags); @@ -500,12 +498,13 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable) goto unlock; if (delta_play > delta_capt) { - loopback_bytepos_update(dpcm_play, delta_play - delta_capt, - BYTEPOS_UPDATE_POSONLY); + count1 = bytepos_delta(dpcm_play, delta_play - delta_capt); + bytepos_finish(dpcm_play, count1); delta_play = delta_capt; } else if (delta_play < delta_capt) { - loopback_bytepos_update(dpcm_capt, delta_capt - delta_play, - BYTEPOS_UPDATE_CLEAR); + count1 = bytepos_delta(dpcm_capt, delta_capt - delta_play); + clear_capture_buf(dpcm_capt, count1); + bytepos_finish(dpcm_capt, count1); delta_capt = delta_play; } @@ -513,8 +512,17 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable) goto unlock; /* note delta_capt == delta_play at this moment */ - loopback_bytepos_update(dpcm_capt, delta_capt, BYTEPOS_UPDATE_COPY); - loopback_bytepos_update(dpcm_play, delta_play, BYTEPOS_UPDATE_POSONLY); + count1 = bytepos_delta(dpcm_play, delta_play); + count2 = bytepos_delta(dpcm_capt, delta_capt); + if (count1 < count2) { + dpcm_capt->last_drift = count2 - count1; + count1 = count2; + } else if (count1 > count2) { + dpcm_play->last_drift = count1 - count2; + } + copy_play_buf(dpcm_play, dpcm_capt, count1); + bytepos_finish(dpcm_play, count1); + bytepos_finish(dpcm_capt, count1); unlock: spin_unlock_irqrestore(&cable->lock, flags); return running; diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index 87657dd7714c..ea995af6d049 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -31,6 +31,8 @@ #define INTERRUPT_INTERVAL 16 #define QUEUE_LENGTH 48 +static void pcm_period_tasklet(unsigned long data); + /** * amdtp_out_stream_init - initialize an AMDTP output stream structure * @s: the AMDTP output stream to initialize @@ -47,6 +49,7 @@ int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit, s->flags = flags; s->context = ERR_PTR(-1); mutex_init(&s->mutex); + tasklet_init(&s->period_tasklet, pcm_period_tasklet, (unsigned long)s); s->packet_index = 0; return 0; @@ -164,6 +167,21 @@ void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s, } EXPORT_SYMBOL(amdtp_out_stream_set_pcm_format); +/** + * amdtp_out_stream_pcm_prepare - prepare PCM device for running + * @s: the AMDTP output stream + * + * This function should be called from the PCM device's .prepare callback. + */ +void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s) +{ + tasklet_kill(&s->period_tasklet); + s->pcm_buffer_pointer = 0; + s->pcm_period_pointer = 0; + s->pointer_flush = true; +} +EXPORT_SYMBOL(amdtp_out_stream_pcm_prepare); + static unsigned int calculate_data_blocks(struct amdtp_out_stream *s) { unsigned int phase, data_blocks; @@ -376,11 +394,21 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle) s->pcm_period_pointer += data_blocks; if (s->pcm_period_pointer >= pcm->runtime->period_size) { s->pcm_period_pointer -= pcm->runtime->period_size; - snd_pcm_period_elapsed(pcm); + s->pointer_flush = false; + tasklet_hi_schedule(&s->period_tasklet); } } } +static void pcm_period_tasklet(unsigned long data) +{ + struct amdtp_out_stream *s = (void *)data; + struct snd_pcm_substream *pcm = ACCESS_ONCE(s->pcm); + + if (pcm) + snd_pcm_period_elapsed(pcm); +} + static void out_packet_callback(struct fw_iso_context *context, u32 cycle, size_t header_length, void *header, void *data) { @@ -506,6 +534,24 @@ err_unlock: EXPORT_SYMBOL(amdtp_out_stream_start); /** + * amdtp_out_stream_pcm_pointer - get the PCM buffer position + * @s: the AMDTP output stream that transports the PCM data + * + * Returns the current buffer position, in frames. + */ +unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s) +{ + /* this optimization is allowed to be racy */ + if (s->pointer_flush) + fw_iso_context_flush_completions(s->context); + else + s->pointer_flush = true; + + return ACCESS_ONCE(s->pcm_buffer_pointer); +} +EXPORT_SYMBOL(amdtp_out_stream_pcm_pointer); + +/** * amdtp_out_stream_update - update the stream after a bus reset * @s: the AMDTP output stream */ @@ -532,6 +578,7 @@ void amdtp_out_stream_stop(struct amdtp_out_stream *s) return; } + tasklet_kill(&s->period_tasklet); fw_iso_context_stop(s->context); fw_iso_context_destroy(s->context); s->context = ERR_PTR(-1); diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 537a9cb83581..b680c5ef01d6 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -1,6 +1,7 @@ #ifndef SOUND_FIREWIRE_AMDTP_H_INCLUDED #define SOUND_FIREWIRE_AMDTP_H_INCLUDED +#include <linux/interrupt.h> #include <linux/mutex.h> #include <linux/spinlock.h> #include "packets-buffer.h" @@ -55,6 +56,7 @@ struct amdtp_out_stream { struct iso_packets_buffer buffer; struct snd_pcm_substream *pcm; + struct tasklet_struct period_tasklet; int packet_index; unsigned int data_block_counter; @@ -66,6 +68,7 @@ struct amdtp_out_stream { unsigned int pcm_buffer_pointer; unsigned int pcm_period_pointer; + bool pointer_flush; }; int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit, @@ -81,6 +84,8 @@ void amdtp_out_stream_stop(struct amdtp_out_stream *s); void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s, snd_pcm_format_t format); +void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s); +unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s); void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s); /** @@ -123,18 +128,6 @@ static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s) } /** - * amdtp_out_stream_pcm_prepare - prepare PCM device for running - * @s: the AMDTP output stream - * - * This function should be called from the PCM device's .prepare callback. - */ -static inline void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s) -{ - s->pcm_buffer_pointer = 0; - s->pcm_period_pointer = 0; -} - -/** * amdtp_out_stream_pcm_trigger - start/stop playback from a PCM device * @s: the AMDTP output stream * @pcm: the PCM device to be started, or %NULL to stop the current device @@ -149,18 +142,6 @@ static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s, ACCESS_ONCE(s->pcm) = pcm; } -/** - * amdtp_out_stream_pcm_pointer - get the PCM buffer position - * @s: the AMDTP output stream that transports the PCM data - * - * Returns the current buffer position, in frames. - */ -static inline unsigned long -amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s) -{ - return ACCESS_ONCE(s->pcm_buffer_pointer); -} - static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc) { return sfc & 1; diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 5ca0939e4223..ff3af6e77d61 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -228,7 +228,7 @@ config SND_OXYGEN Say Y here to include support for sound cards based on the C-Media CMI8788 (Oxygen HD Audio) chip: * Asound A-8788 - * Asus Xonar DG + * Asus Xonar DG/DGX * AuzenTech X-Meridian * AuzenTech X-Meridian 2G * Bgears b-Enspirer diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c index 9d91d61902b4..e672ff4df2da 100644 --- a/sound/pci/ad1889.c +++ b/sound/pci/ad1889.c @@ -1062,17 +1062,4 @@ static struct pci_driver ad1889_pci_driver = { .remove = __devexit_p(snd_ad1889_remove), }; -static int __init -alsa_ad1889_init(void) -{ - return pci_register_driver(&ad1889_pci_driver); -} - -static void __exit -alsa_ad1889_fini(void) -{ - pci_unregister_driver(&ad1889_pci_driver); -} - -module_init(alsa_ad1889_init); -module_exit(alsa_ad1889_fini); +module_pci_driver(ad1889_pci_driver); diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c index bdd6164e9c7e..9dfc27bf6cc6 100644 --- a/sound/pci/ali5451/ali5451.c +++ b/sound/pci/ali5451/ali5451.c @@ -2294,7 +2294,7 @@ static void __devexit snd_ali_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver ali5451_driver = { .name = KBUILD_MODNAME, .id_table = snd_ali_ids, .probe = snd_ali_probe, @@ -2305,15 +2305,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_ali_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_ali_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_ali_init) -module_exit(alsa_card_ali_exit) +module_pci_driver(ali5451_driver); diff --git a/sound/pci/als300.c b/sound/pci/als300.c index 8196e229b2df..59d65388faf5 100644 --- a/sound/pci/als300.c +++ b/sound/pci/als300.c @@ -852,7 +852,7 @@ static int __devinit snd_als300_probe(struct pci_dev *pci, return 0; } -static struct pci_driver driver = { +static struct pci_driver als300_driver = { .name = KBUILD_MODNAME, .id_table = snd_als300_ids, .probe = snd_als300_probe, @@ -863,15 +863,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_als300_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_als300_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_als300_init) -module_exit(alsa_card_als300_exit) +module_pci_driver(als300_driver); diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index 3269b8011ea9..7d7f2598c748 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -1036,7 +1036,7 @@ static int snd_als4000_resume(struct pci_dev *pci) #endif /* CONFIG_PM */ -static struct pci_driver driver = { +static struct pci_driver als4000_driver = { .name = KBUILD_MODNAME, .id_table = snd_als4000_ids, .probe = snd_card_als4000_probe, @@ -1047,15 +1047,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_als4000_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_als4000_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_als4000_init) -module_exit(alsa_card_als4000_exit) +module_pci_driver(als4000_driver); diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c index 590682f115ef..156a94f8a123 100644 --- a/sound/pci/atiixp.c +++ b/sound/pci/atiixp.c @@ -1700,7 +1700,7 @@ static void __devexit snd_atiixp_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver atiixp_driver = { .name = KBUILD_MODNAME, .id_table = snd_atiixp_ids, .probe = snd_atiixp_probe, @@ -1711,16 +1711,4 @@ static struct pci_driver driver = { #endif }; - -static int __init alsa_card_atiixp_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_atiixp_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_atiixp_init) -module_exit(alsa_card_atiixp_exit) +module_pci_driver(atiixp_driver); diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c index 524d35f31232..30a4fd96ce73 100644 --- a/sound/pci/atiixp_modem.c +++ b/sound/pci/atiixp_modem.c @@ -1331,7 +1331,7 @@ static void __devexit snd_atiixp_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver atiixp_modem_driver = { .name = KBUILD_MODNAME, .id_table = snd_atiixp_ids, .probe = snd_atiixp_probe, @@ -1342,16 +1342,4 @@ static struct pci_driver driver = { #endif }; - -static int __init alsa_card_atiixp_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_atiixp_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_atiixp_init) -module_exit(alsa_card_atiixp_exit) +module_pci_driver(atiixp_modem_driver); diff --git a/sound/pci/au88x0/au88x0.c b/sound/pci/au88x0/au88x0.c index f13ad536b2d5..ffc376f9f4e4 100644 --- a/sound/pci/au88x0/au88x0.c +++ b/sound/pci/au88x0/au88x0.c @@ -375,24 +375,11 @@ static void __devexit snd_vortex_remove(struct pci_dev *pci) } // pci_driver definition -static struct pci_driver driver = { +static struct pci_driver vortex_driver = { .name = KBUILD_MODNAME, .id_table = snd_vortex_ids, .probe = snd_vortex_probe, .remove = __devexit_p(snd_vortex_remove), }; -// initialization of the module -static int __init alsa_card_vortex_init(void) -{ - return pci_register_driver(&driver); -} - -// clean up the module -static void __exit alsa_card_vortex_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_vortex_init) -module_exit(alsa_card_vortex_exit) +module_pci_driver(vortex_driver); diff --git a/sound/pci/aw2/aw2-alsa.c b/sound/pci/aw2/aw2-alsa.c index 1c5231931462..0f804741825f 100644 --- a/sound/pci/aw2/aw2-alsa.c +++ b/sound/pci/aw2/aw2-alsa.c @@ -112,8 +112,6 @@ struct aw2 { /********************************* * FUNCTION DECLARATIONS ********************************/ -static int __init alsa_card_aw2_init(void); -static void __exit alsa_card_aw2_exit(void); static int snd_aw2_dev_free(struct snd_device *device); static int __devinit snd_aw2_create(struct snd_card *card, struct pci_dev *pci, struct aw2 **rchip); @@ -171,13 +169,15 @@ static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = { MODULE_DEVICE_TABLE(pci, snd_aw2_ids); /* pci_driver definition */ -static struct pci_driver driver = { +static struct pci_driver aw2_driver = { .name = KBUILD_MODNAME, .id_table = snd_aw2_ids, .probe = snd_aw2_probe, .remove = __devexit_p(snd_aw2_remove), }; +module_pci_driver(aw2_driver); + /* operators for playback PCM alsa interface */ static struct snd_pcm_ops snd_aw2_playback_ops = { .open = snd_aw2_pcm_playback_open, @@ -217,23 +217,6 @@ static struct snd_kcontrol_new aw2_control __devinitdata = { * FUNCTION IMPLEMENTATIONS ********************************/ -/* initialization of the module */ -static int __init alsa_card_aw2_init(void) -{ - snd_printdd(KERN_DEBUG "aw2: Load aw2 module\n"); - return pci_register_driver(&driver); -} - -/* clean up the module */ -static void __exit alsa_card_aw2_exit(void) -{ - snd_printdd(KERN_DEBUG "aw2: Unload aw2 module\n"); - pci_unregister_driver(&driver); -} - -module_init(alsa_card_aw2_init); -module_exit(alsa_card_aw2_exit); - /* component-destructor */ static int snd_aw2_dev_free(struct snd_device *device) { diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index 496f14c1a731..f0b4d7493af5 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -2862,7 +2862,7 @@ snd_azf3328_resume(struct pci_dev *pci) #endif /* CONFIG_PM */ -static struct pci_driver driver = { +static struct pci_driver azf3328_driver = { .name = KBUILD_MODNAME, .id_table = snd_azf3328_ids, .probe = snd_azf3328_probe, @@ -2873,23 +2873,4 @@ static struct pci_driver driver = { #endif }; -static int __init -alsa_card_azf3328_init(void) -{ - int err; - snd_azf3328_dbgcallenter(); - err = pci_register_driver(&driver); - snd_azf3328_dbgcallleave(); - return err; -} - -static void __exit -alsa_card_azf3328_exit(void) -{ - snd_azf3328_dbgcallenter(); - pci_unregister_driver(&driver); - snd_azf3328_dbgcallleave(); -} - -module_init(alsa_card_azf3328_init) -module_exit(alsa_card_azf3328_exit) +module_pci_driver(azf3328_driver); diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c index 62d6163fc9d9..b6a95eeca095 100644 --- a/sound/pci/bt87x.c +++ b/sound/pci/bt87x.c @@ -836,8 +836,6 @@ static struct { {0x7063, 0x2000}, /* pcHDTV HD-2000 TV */ }; -static struct pci_driver driver; - /* return the id of the card, or a negative value if it's blacklisted */ static int __devinit snd_bt87x_detect_card(struct pci_dev *pci) { @@ -964,24 +962,11 @@ static DEFINE_PCI_DEVICE_TABLE(snd_bt87x_default_ids) = { { } }; -static struct pci_driver driver = { +static struct pci_driver bt87x_driver = { .name = KBUILD_MODNAME, .id_table = snd_bt87x_ids, .probe = snd_bt87x_probe, .remove = __devexit_p(snd_bt87x_remove), }; -static int __init alsa_card_bt87x_init(void) -{ - if (load_all) - driver.id_table = snd_bt87x_default_ids; - return pci_register_driver(&driver); -} - -static void __exit alsa_card_bt87x_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_bt87x_init) -module_exit(alsa_card_bt87x_exit) +module_pci_driver(bt87x_driver); diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index 08d6ebfe5a61..e76d68a7081f 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -1932,7 +1932,7 @@ static DEFINE_PCI_DEVICE_TABLE(snd_ca0106_ids) = { MODULE_DEVICE_TABLE(pci, snd_ca0106_ids); // pci_driver definition -static struct pci_driver driver = { +static struct pci_driver ca0106_driver = { .name = KBUILD_MODNAME, .id_table = snd_ca0106_ids, .probe = snd_ca0106_probe, @@ -1943,17 +1943,4 @@ static struct pci_driver driver = { #endif }; -// initialization of the module -static int __init alsa_card_ca0106_init(void) -{ - return pci_register_driver(&driver); -} - -// clean up the module -static void __exit alsa_card_ca0106_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_ca0106_init) -module_exit(alsa_card_ca0106_exit) +module_pci_driver(ca0106_driver); diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 19b06269adc2..3815bd4c6779 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -3398,7 +3398,7 @@ static int snd_cmipci_resume(struct pci_dev *pci) } #endif /* CONFIG_PM */ -static struct pci_driver driver = { +static struct pci_driver cmipci_driver = { .name = KBUILD_MODNAME, .id_table = snd_cmipci_ids, .probe = snd_cmipci_probe, @@ -3409,15 +3409,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_cmipci_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_cmipci_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_cmipci_init) -module_exit(alsa_card_cmipci_exit) +module_pci_driver(cmipci_driver); diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index a9f368f60df6..33506ee569bd 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -2084,7 +2084,7 @@ static int cs4281_resume(struct pci_dev *pci) } #endif /* CONFIG_PM */ -static struct pci_driver driver = { +static struct pci_driver cs4281_driver = { .name = KBUILD_MODNAME, .id_table = snd_cs4281_ids, .probe = snd_cs4281_probe, @@ -2095,15 +2095,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_cs4281_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_cs4281_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_cs4281_init) -module_exit(alsa_card_cs4281_exit) +module_pci_driver(cs4281_driver); diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c index 819d79d0586d..6cc7404e0e8f 100644 --- a/sound/pci/cs46xx/cs46xx.c +++ b/sound/pci/cs46xx/cs46xx.c @@ -161,7 +161,7 @@ static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver cs46xx_driver = { .name = KBUILD_MODNAME, .id_table = snd_cs46xx_ids, .probe = snd_card_cs46xx_probe, @@ -172,15 +172,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_cs46xx_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_cs46xx_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_cs46xx_init) -module_exit(alsa_card_cs46xx_exit) +module_pci_driver(cs46xx_driver); diff --git a/sound/pci/cs5530.c b/sound/pci/cs5530.c index c47cabff2bfa..f1e4229993af 100644 --- a/sound/pci/cs5530.c +++ b/sound/pci/cs5530.c @@ -291,23 +291,11 @@ static int __devinit snd_cs5530_probe(struct pci_dev *pci, return 0; } -static struct pci_driver driver = { +static struct pci_driver cs5530_driver = { .name = KBUILD_MODNAME, .id_table = snd_cs5530_ids, .probe = snd_cs5530_probe, .remove = __devexit_p(snd_cs5530_remove), }; -static int __init alsa_card_cs5530_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_cs5530_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_cs5530_init) -module_exit(alsa_card_cs5530_exit) - +module_pci_driver(cs5530_driver); diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c index a2fb2173e980..2c9697cf0a1a 100644 --- a/sound/pci/cs5535audio/cs5535audio.c +++ b/sound/pci/cs5535audio/cs5535audio.c @@ -394,7 +394,7 @@ static void __devexit snd_cs5535audio_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver cs5535audio_driver = { .name = KBUILD_MODNAME, .id_table = snd_cs5535audio_ids, .probe = snd_cs5535audio_probe, @@ -405,18 +405,7 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_cs5535audio_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_cs5535audio_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_cs5535audio_init) -module_exit(alsa_card_cs5535audio_exit) +module_pci_driver(cs5535audio_driver); MODULE_AUTHOR("Jaya Kumar"); MODULE_LICENSE("GPL"); diff --git a/sound/pci/ctxfi/xfi.c b/sound/pci/ctxfi/xfi.c index 15d95d2bacee..75aa2c338410 100644 --- a/sound/pci/ctxfi/xfi.c +++ b/sound/pci/ctxfi/xfi.c @@ -154,15 +154,4 @@ static struct pci_driver ct_driver = { #endif }; -static int __init ct_card_init(void) -{ - return pci_register_driver(&ct_driver); -} - -static void __exit ct_card_exit(void) -{ - pci_unregister_driver(&ct_driver); -} - -module_init(ct_card_init) -module_exit(ct_card_exit) +module_pci_driver(ct_driver); diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index 595c11f904bb..0f8eda1dafdb 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -2328,7 +2328,7 @@ static void __devexit snd_echo_remove(struct pci_dev *pci) ******************************************************************************/ /* pci_driver definition */ -static struct pci_driver driver = { +static struct pci_driver echo_driver = { .name = KBUILD_MODNAME, .id_table = snd_echo_ids, .probe = snd_echo_probe, @@ -2339,22 +2339,4 @@ static struct pci_driver driver = { #endif /* CONFIG_PM */ }; - - -/* initialization of the module */ -static int __init alsa_card_echo_init(void) -{ - return pci_register_driver(&driver); -} - - - -/* clean up the module */ -static void __exit alsa_card_echo_exit(void) -{ - pci_unregister_driver(&driver); -} - - -module_init(alsa_card_echo_init) -module_exit(alsa_card_echo_exit) +module_pci_driver(echo_driver); diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c index 790c65d980c8..7fdbbe4d9965 100644 --- a/sound/pci/emu10k1/emu10k1.c +++ b/sound/pci/emu10k1/emu10k1.c @@ -263,7 +263,7 @@ static int snd_emu10k1_resume(struct pci_dev *pci) } #endif -static struct pci_driver driver = { +static struct pci_driver emu10k1_driver = { .name = KBUILD_MODNAME, .id_table = snd_emu10k1_ids, .probe = snd_card_emu10k1_probe, @@ -274,15 +274,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_emu10k1_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_emu10k1_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_emu10k1_init) -module_exit(alsa_card_emu10k1_exit) +module_pci_driver(emu10k1_driver); diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c index 47a651cb6e84..5c8978b2c4d9 100644 --- a/sound/pci/emu10k1/emu10k1x.c +++ b/sound/pci/emu10k1/emu10k1x.c @@ -1612,24 +1612,11 @@ static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = { MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); // pci_driver definition -static struct pci_driver driver = { +static struct pci_driver emu10k1x_driver = { .name = KBUILD_MODNAME, .id_table = snd_emu10k1x_ids, .probe = snd_emu10k1x_probe, .remove = __devexit_p(snd_emu10k1x_remove), }; -// initialization of the module -static int __init alsa_card_emu10k1x_init(void) -{ - return pci_register_driver(&driver); -} - -// clean up the module -static void __exit alsa_card_emu10k1x_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_emu10k1x_init) -module_exit(alsa_card_emu10k1x_exit) +module_pci_driver(emu10k1x_driver); diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index 47a245e84190..3821c81d1c99 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -2488,7 +2488,7 @@ static void __devexit snd_audiopci_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver ens137x_driver = { .name = KBUILD_MODNAME, .id_table = snd_audiopci_ids, .probe = snd_audiopci_probe, @@ -2499,15 +2499,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_ens137x_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_ens137x_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_ens137x_init) -module_exit(alsa_card_ens137x_exit) +module_pci_driver(ens137x_driver); diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index 53eb76b41108..82c8d8c5c52a 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -1882,7 +1882,7 @@ static void __devexit snd_es1938_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver es1938_driver = { .name = KBUILD_MODNAME, .id_table = snd_es1938_ids, .probe = snd_es1938_probe, @@ -1893,15 +1893,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_es1938_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_es1938_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_es1938_init) -module_exit(alsa_card_es1938_exit) +module_pci_driver(es1938_driver); diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index a8faae1c85e4..67f47d891959 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -2898,7 +2898,7 @@ static void __devexit snd_es1968_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver es1968_driver = { .name = KBUILD_MODNAME, .id_table = snd_es1968_ids, .probe = snd_es1968_probe, @@ -2909,15 +2909,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_es1968_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_es1968_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_es1968_init) -module_exit(alsa_card_es1968_exit) +module_pci_driver(es1968_driver); diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index a416ea8af3e9..f69662322750 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -1416,7 +1416,7 @@ static int snd_fm801_resume(struct pci_dev *pci) } #endif -static struct pci_driver driver = { +static struct pci_driver fm801_driver = { .name = KBUILD_MODNAME, .id_table = snd_fm801_ids, .probe = snd_card_fm801_probe, @@ -1427,15 +1427,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_fm801_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_fm801_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_fm801_init) -module_exit(alsa_card_fm801_exit) +module_pci_driver(fm801_driver); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 7ee46aba6ea7..4ab8102f87ea 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2566,6 +2566,8 @@ static struct snd_pci_quirk probe_mask_list[] __devinitdata = { /* forced codec slots */ SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), + /* WinFast VP200 H (Teradici) user reported broken communication */ + SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), {} }; @@ -3154,7 +3156,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { MODULE_DEVICE_TABLE(pci, azx_ids); /* pci_driver definition */ -static struct pci_driver driver = { +static struct pci_driver azx_driver = { .name = KBUILD_MODNAME, .id_table = azx_ids, .probe = azx_probe, @@ -3165,15 +3167,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_azx_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_azx_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_azx_init) -module_exit(alsa_card_azx_exit) +module_pci_driver(azx_driver); diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 132a86e09d07..5be2e120a14e 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -2803,22 +2803,11 @@ static void __devexit snd_ice1712_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver ice1712_driver = { .name = KBUILD_MODNAME, .id_table = snd_ice1712_ids, .probe = snd_ice1712_probe, .remove = __devexit_p(snd_ice1712_remove), }; -static int __init alsa_card_ice1712_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_ice1712_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_ice1712_init) -module_exit(alsa_card_ice1712_exit) +module_pci_driver(ice1712_driver); diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 812d10e43ae0..a01a00d1cf4d 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2873,7 +2873,7 @@ static int snd_vt1724_resume(struct pci_dev *pci) } #endif -static struct pci_driver driver = { +static struct pci_driver vt1724_driver = { .name = KBUILD_MODNAME, .id_table = snd_vt1724_ids, .probe = snd_vt1724_probe, @@ -2884,15 +2884,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_ice1724_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_ice1724_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_ice1724_init) -module_exit(alsa_card_ice1724_exit) +module_pci_driver(vt1724_driver); diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index e0a4263baa20..f4e2dd4da8cf 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -3338,7 +3338,7 @@ static void __devexit snd_intel8x0_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver intel8x0_driver = { .name = KBUILD_MODNAME, .id_table = snd_intel8x0_ids, .probe = snd_intel8x0_probe, @@ -3349,16 +3349,4 @@ static struct pci_driver driver = { #endif }; - -static int __init alsa_card_intel8x0_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_intel8x0_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_intel8x0_init) -module_exit(alsa_card_intel8x0_exit) +module_pci_driver(intel8x0_driver); diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c index d689913a61be..fc27a6a69e77 100644 --- a/sound/pci/intel8x0m.c +++ b/sound/pci/intel8x0m.c @@ -1324,7 +1324,7 @@ static void __devexit snd_intel8x0m_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver intel8x0m_driver = { .name = KBUILD_MODNAME, .id_table = snd_intel8x0m_ids, .probe = snd_intel8x0m_probe, @@ -1335,16 +1335,4 @@ static struct pci_driver driver = { #endif }; - -static int __init alsa_card_intel8x0m_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_intel8x0m_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_intel8x0m_init) -module_exit(alsa_card_intel8x0m_exit) +module_pci_driver(intel8x0m_driver); diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index 8fea45ab5882..e69ce5f9c31e 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -2476,22 +2476,11 @@ static void __devexit snd_korg1212_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver korg1212_driver = { .name = KBUILD_MODNAME, .id_table = snd_korg1212_ids, .probe = snd_korg1212_probe, .remove = __devexit_p(snd_korg1212_remove), }; -static int __init alsa_card_korg1212_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_korg1212_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_korg1212_init) -module_exit(alsa_card_korg1212_exit) +module_pci_driver(korg1212_driver); diff --git a/sound/pci/lola/lola.c b/sound/pci/lola/lola.c index 375982736858..ac15166bee68 100644 --- a/sound/pci/lola/lola.c +++ b/sound/pci/lola/lola.c @@ -770,22 +770,11 @@ static DEFINE_PCI_DEVICE_TABLE(lola_ids) = { MODULE_DEVICE_TABLE(pci, lola_ids); /* pci_driver definition */ -static struct pci_driver driver = { +static struct pci_driver lola_driver = { .name = KBUILD_MODNAME, .id_table = lola_ids, .probe = lola_probe, .remove = __devexit_p(lola_remove), }; -static int __init alsa_card_lola_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_lola_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_lola_init) -module_exit(alsa_card_lola_exit) +module_pci_driver(lola_driver); diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index d94c0c292bd0..d1ab43706735 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -1141,24 +1141,11 @@ static void __devexit snd_lx6464es_remove(struct pci_dev *pci) } -static struct pci_driver driver = { +static struct pci_driver lx6464es_driver = { .name = KBUILD_MODNAME, .id_table = snd_lx6464es_ids, .probe = snd_lx6464es_probe, .remove = __devexit_p(snd_lx6464es_remove), }; - -/* module initialization */ -static int __init mod_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit mod_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(mod_init); -module_exit(mod_exit); +module_pci_driver(lx6464es_driver); diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 78229b0dad2b..deef21399586 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -2837,7 +2837,7 @@ static void __devexit snd_m3_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver m3_driver = { .name = KBUILD_MODNAME, .id_table = snd_m3_ids, .probe = snd_m3_probe, @@ -2848,15 +2848,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_m3_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_m3_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_m3_init) -module_exit(alsa_card_m3_exit) +module_pci_driver(m3_driver); diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c index 487837c01c9f..0762610c99c0 100644 --- a/sound/pci/mixart/mixart.c +++ b/sound/pci/mixart/mixart.c @@ -1380,22 +1380,11 @@ static void __devexit snd_mixart_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver mixart_driver = { .name = KBUILD_MODNAME, .id_table = snd_mixart_ids, .probe = snd_mixart_probe, .remove = __devexit_p(snd_mixart_remove), }; -static int __init alsa_card_mixart_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_mixart_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_mixart_init) -module_exit(alsa_card_mixart_exit) +module_pci_driver(mixart_driver); diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c index ade2c64bd606..8159b05ee94d 100644 --- a/sound/pci/nm256/nm256.c +++ b/sound/pci/nm256/nm256.c @@ -1742,7 +1742,7 @@ static void __devexit snd_nm256_remove(struct pci_dev *pci) } -static struct pci_driver driver = { +static struct pci_driver nm256_driver = { .name = KBUILD_MODNAME, .id_table = snd_nm256_ids, .probe = snd_nm256_probe, @@ -1753,16 +1753,4 @@ static struct pci_driver driver = { #endif }; - -static int __init alsa_card_nm256_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_nm256_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_nm256_init) -module_exit(alsa_card_nm256_exit) +module_pci_driver(nm256_driver); diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c index eab663eef117..610275bfbaeb 100644 --- a/sound/pci/oxygen/oxygen.c +++ b/sound/pci/oxygen/oxygen.c @@ -94,6 +94,7 @@ enum { MODEL_2CH_OUTPUT, MODEL_HG2PCI, MODEL_XONAR_DG, + MODEL_XONAR_DGX, }; static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = { @@ -109,6 +110,8 @@ static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = { { OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF }, /* Asus Xonar DG */ { OXYGEN_PCI_SUBID(0x1043, 0x8467), .driver_data = MODEL_XONAR_DG }, + /* Asus Xonar DGX */ + { OXYGEN_PCI_SUBID(0x1043, 0x8521), .driver_data = MODEL_XONAR_DGX }, /* PCI 2.0 HD Audio */ { OXYGEN_PCI_SUBID(0x13f6, 0x8782), .driver_data = MODEL_2CH_OUTPUT }, /* Kuroutoshikou CMI8787-HG2PCI */ @@ -827,6 +830,11 @@ static int __devinit get_oxygen_model(struct oxygen *chip, break; case MODEL_XONAR_DG: chip->model = model_xonar_dg; + chip->model.shortname = "Xonar DG"; + break; + case MODEL_XONAR_DGX: + chip->model = model_xonar_dg; + chip->model.shortname = "Xonar DGX"; break; } if (id->driver_data == MODEL_MERIDIAN || @@ -870,15 +878,4 @@ static struct pci_driver oxygen_driver = { #endif }; -static int __init alsa_card_oxygen_init(void) -{ - return pci_register_driver(&oxygen_driver); -} - -static void __exit alsa_card_oxygen_exit(void) -{ - pci_unregister_driver(&oxygen_driver); -} - -module_init(alsa_card_oxygen_init) -module_exit(alsa_card_oxygen_exit) +module_pci_driver(oxygen_driver); diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c index 3fdee4950174..19962c6d38c3 100644 --- a/sound/pci/oxygen/virtuoso.c +++ b/sound/pci/oxygen/virtuoso.c @@ -100,15 +100,4 @@ static struct pci_driver xonar_driver = { .shutdown = oxygen_pci_shutdown, }; -static int __init alsa_card_xonar_init(void) -{ - return pci_register_driver(&xonar_driver); -} - -static void __exit alsa_card_xonar_exit(void) -{ - pci_unregister_driver(&xonar_driver); -} - -module_init(alsa_card_xonar_init) -module_exit(alsa_card_xonar_exit) +module_pci_driver(xonar_driver); diff --git a/sound/pci/oxygen/xonar_dg.c b/sound/pci/oxygen/xonar_dg.c index 793bdf03d7e0..77acd790ea47 100644 --- a/sound/pci/oxygen/xonar_dg.c +++ b/sound/pci/oxygen/xonar_dg.c @@ -1,5 +1,5 @@ /* - * card driver for the Xonar DG + * card driver for the Xonar DG/DGX * * Copyright (c) Clemens Ladisch <clemens@ladisch.de> * @@ -17,8 +17,8 @@ */ /* - * Xonar DG - * -------- + * Xonar DG/DGX + * ------------ * * CMI8788: * @@ -581,7 +581,6 @@ static void dump_cs4245_registers(struct oxygen *chip, } struct oxygen_model model_xonar_dg = { - .shortname = "Xonar DG", .longname = "C-Media Oxygen HD Audio", .chip = "CMI8786", .init = dg_init, diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c index fd1809ab73b4..0435f45e9513 100644 --- a/sound/pci/pcxhr/pcxhr.c +++ b/sound/pci/pcxhr/pcxhr.c @@ -1607,22 +1607,11 @@ static void __devexit pcxhr_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver pcxhr_driver = { .name = KBUILD_MODNAME, .id_table = pcxhr_ids, .probe = pcxhr_probe, .remove = __devexit_p(pcxhr_remove), }; -static int __init pcxhr_module_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit pcxhr_module_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(pcxhr_module_init) -module_exit(pcxhr_module_exit) +module_pci_driver(pcxhr_driver); diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index 0481d94aac9b..cbeb3f77350c 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -1837,8 +1837,7 @@ static int snd_riptide_free(struct snd_riptide *chip) } if (chip->irq >= 0) free_irq(chip->irq, chip); - if (chip->fw_entry) - release_firmware(chip->fw_entry); + release_firmware(chip->fw_entry); release_and_free_resource(chip->res_port); kfree(chip); return 0; diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c index b4819d5e41db..46b3629dda22 100644 --- a/sound/pci/rme32.c +++ b/sound/pci/rme32.c @@ -1984,22 +1984,11 @@ static void __devexit snd_rme32_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver rme32_driver = { .name = KBUILD_MODNAME, .id_table = snd_rme32_ids, .probe = snd_rme32_probe, .remove = __devexit_p(snd_rme32_remove), }; -static int __init alsa_card_rme32_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_rme32_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_rme32_init) -module_exit(alsa_card_rme32_exit) +module_pci_driver(rme32_driver); diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index ba894158e76c..9b98dc406988 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -2395,22 +2395,11 @@ static void __devexit snd_rme96_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver rme96_driver = { .name = KBUILD_MODNAME, .id_table = snd_rme96_ids, .probe = snd_rme96_probe, .remove = __devexit_p(snd_rme96_remove), }; -static int __init alsa_card_rme96_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_rme96_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_rme96_init) -module_exit(alsa_card_rme96_exit) +module_pci_driver(rme96_driver); diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 0b2aea2ce172..0d6930c4f4b7 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -5636,22 +5636,11 @@ static void __devexit snd_hdsp_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver hdsp_driver = { .name = KBUILD_MODNAME, .id_table = snd_hdsp_ids, .probe = snd_hdsp_probe, .remove = __devexit_p(snd_hdsp_remove), }; -static int __init alsa_card_hdsp_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_hdsp_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_hdsp_init) -module_exit(alsa_card_hdsp_exit) +module_pci_driver(hdsp_driver); diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index bc030a2088da..0a5027b94714 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -6918,23 +6918,11 @@ static void __devexit snd_hdspm_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver hdspm_driver = { .name = KBUILD_MODNAME, .id_table = snd_hdspm_ids, .probe = snd_hdspm_probe, .remove = __devexit_p(snd_hdspm_remove), }; - -static int __init alsa_card_hdspm_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_hdspm_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_hdspm_init) -module_exit(alsa_card_hdspm_exit) +module_pci_driver(hdspm_driver); diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index b737d1619cc7..a15fc100ab0c 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -2631,22 +2631,11 @@ static void __devexit snd_rme9652_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver rme9652_driver = { .name = KBUILD_MODNAME, .id_table = snd_rme9652_ids, .probe = snd_rme9652_probe, .remove = __devexit_p(snd_rme9652_remove), }; -static int __init alsa_card_hammerfall_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_hammerfall_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_hammerfall_init) -module_exit(alsa_card_hammerfall_exit) +module_pci_driver(rme9652_driver); diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c index ff500a87f769..1552642765d6 100644 --- a/sound/pci/sis7019.c +++ b/sound/pci/sis7019.c @@ -1488,15 +1488,4 @@ static struct pci_driver sis7019_driver = { #endif }; -static int __init sis7019_init(void) -{ - return pci_register_driver(&sis7019_driver); -} - -static void __exit sis7019_exit(void) -{ - pci_unregister_driver(&sis7019_driver); -} - -module_init(sis7019_init); -module_exit(sis7019_exit); +module_pci_driver(sis7019_driver); diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c index 54cc802050f7..baa9946bedf0 100644 --- a/sound/pci/sonicvibes.c +++ b/sound/pci/sonicvibes.c @@ -1530,22 +1530,11 @@ static void __devexit snd_sonic_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver sonicvibes_driver = { .name = KBUILD_MODNAME, .id_table = snd_sonic_ids, .probe = snd_sonic_probe, .remove = __devexit_p(snd_sonic_remove), }; -static int __init alsa_card_sonicvibes_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_sonicvibes_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_sonicvibes_init) -module_exit(alsa_card_sonicvibes_exit) +module_pci_driver(sonicvibes_driver); diff --git a/sound/pci/trident/trident.c b/sound/pci/trident/trident.c index 5f1def7f45e5..611983ec7321 100644 --- a/sound/pci/trident/trident.c +++ b/sound/pci/trident/trident.c @@ -172,7 +172,7 @@ static void __devexit snd_trident_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver trident_driver = { .name = KBUILD_MODNAME, .id_table = snd_trident_ids, .probe = snd_trident_probe, @@ -183,15 +183,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_trident_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_trident_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_trident_init) -module_exit(alsa_card_trident_exit) +module_pci_driver(trident_driver); diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index 75630408c6db..b5afab48943e 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -2619,7 +2619,7 @@ static void __devexit snd_via82xx_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver via82xx_driver = { .name = KBUILD_MODNAME, .id_table = snd_via82xx_ids, .probe = snd_via82xx_probe, @@ -2630,15 +2630,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_via82xx_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_via82xx_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_via82xx_init) -module_exit(alsa_card_via82xx_exit) +module_pci_driver(via82xx_driver); diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c index 5efcbcac506a..59fd47ed0a31 100644 --- a/sound/pci/via82xx_modem.c +++ b/sound/pci/via82xx_modem.c @@ -1223,7 +1223,7 @@ static void __devexit snd_via82xx_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver via82xx_modem_driver = { .name = KBUILD_MODNAME, .id_table = snd_via82xx_modem_ids, .probe = snd_via82xx_probe, @@ -1234,15 +1234,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_via82xx_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_via82xx_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_via82xx_init) -module_exit(alsa_card_via82xx_exit) +module_pci_driver(via82xx_modem_driver); diff --git a/sound/pci/vx222/vx222.c b/sound/pci/vx222/vx222.c index 6a534bfe1274..1ea1f656a5dc 100644 --- a/sound/pci/vx222/vx222.c +++ b/sound/pci/vx222/vx222.c @@ -289,7 +289,7 @@ static int snd_vx222_resume(struct pci_dev *pci) } #endif -static struct pci_driver driver = { +static struct pci_driver vx222_driver = { .name = KBUILD_MODNAME, .id_table = snd_vx222_ids, .probe = snd_vx222_probe, @@ -300,15 +300,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_vx222_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_vx222_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_vx222_init) -module_exit(alsa_card_vx222_exit) +module_pci_driver(vx222_driver); diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index 94ab728f5ca8..9a1d01d653a7 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -350,7 +350,7 @@ static void __devexit snd_card_ymfpci_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } -static struct pci_driver driver = { +static struct pci_driver ymfpci_driver = { .name = KBUILD_MODNAME, .id_table = snd_ymfpci_ids, .probe = snd_card_ymfpci_probe, @@ -361,15 +361,4 @@ static struct pci_driver driver = { #endif }; -static int __init alsa_card_ymfpci_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_ymfpci_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_ymfpci_init) -module_exit(alsa_card_ymfpci_exit) +module_pci_driver(ymfpci_driver); diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c index b11f82b5718f..f8b01c77b298 100644 --- a/sound/sh/sh_dac_audio.c +++ b/sound/sh/sh_dac_audio.c @@ -433,7 +433,7 @@ probe_error: /* * "driver" definition */ -static struct platform_driver driver = { +static struct platform_driver sh_dac_driver = { .probe = snd_sh_dac_probe, .remove = snd_sh_dac_remove, .driver = { @@ -441,4 +441,4 @@ static struct platform_driver driver = { }, }; -module_platform_driver(driver); +module_platform_driver(sh_dac_driver); diff --git a/sound/sound_core.c b/sound/sound_core.c index c6e81fb928e9..fb9255cca214 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -361,7 +361,7 @@ int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev) { const int chain = unit % SOUND_STEP; - int max_unit = 128 + chain; + int max_unit = 256; const char *name; char _name[16]; diff --git a/sound/usb/card.c b/sound/usb/card.c index 4a7be7b98331..d5b5c3388e28 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -131,8 +131,9 @@ static void snd_usb_stream_disconnect(struct list_head *head) subs = &as->substream[idx]; if (!subs->num_formats) continue; - snd_usb_release_substream_urbs(subs, 1); subs->interface = -1; + subs->data_endpoint = NULL; + subs->sync_endpoint = NULL; } } @@ -276,6 +277,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) static int snd_usb_audio_free(struct snd_usb_audio *chip) { + mutex_destroy(&chip->mutex); kfree(chip); return 0; } @@ -336,6 +338,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, return -ENOMEM; } + mutex_init(&chip->mutex); mutex_init(&chip->shutdown_mutex); chip->index = idx; chip->dev = dev; @@ -348,6 +351,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), le16_to_cpu(dev->descriptor.idProduct)); INIT_LIST_HEAD(&chip->pcm_list); + INIT_LIST_HEAD(&chip->ep_list); INIT_LIST_HEAD(&chip->midi_list); INIT_LIST_HEAD(&chip->mixer_list); @@ -565,6 +569,10 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, list_for_each(p, &chip->pcm_list) { snd_usb_stream_disconnect(p); } + /* release the endpoint resources */ + list_for_each(p, &chip->ep_list) { + snd_usb_endpoint_free(p); + } /* release the midi resources */ list_for_each(p, &chip->midi_list) { snd_usbmidi_disconnect(p); diff --git a/sound/usb/card.h b/sound/usb/card.h index da5fa1ac4eda..0d37238b8457 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -30,20 +30,71 @@ struct audioformat { }; struct snd_usb_substream; +struct snd_usb_endpoint; struct snd_urb_ctx { struct urb *urb; unsigned int buffer_size; /* size of data buffer, if data URB */ struct snd_usb_substream *subs; + struct snd_usb_endpoint *ep; int index; /* index for urb array */ int packets; /* number of packets per urb */ + int packet_size[MAX_PACKS_HS]; /* size of packets for next submission */ + struct list_head ready_list; }; -struct snd_urb_ops { - int (*prepare)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); - int (*retire)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); - int (*prepare_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); - int (*retire_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); +struct snd_usb_endpoint { + struct snd_usb_audio *chip; + + int use_count; + int ep_num; /* the referenced endpoint number */ + int type; /* SND_USB_ENDPOINT_TYPE_* */ + unsigned long flags; + + void (*prepare_data_urb) (struct snd_usb_substream *subs, + struct urb *urb); + void (*retire_data_urb) (struct snd_usb_substream *subs, + struct urb *urb); + + struct snd_usb_substream *data_subs; + struct snd_usb_endpoint *sync_master; + struct snd_usb_endpoint *sync_slave; + + struct snd_urb_ctx urb[MAX_URBS]; + + struct snd_usb_packet_info { + uint32_t packet_size[MAX_PACKS_HS]; + int packets; + } next_packet[MAX_URBS]; + int next_packet_read_pos, next_packet_write_pos; + struct list_head ready_playback_urbs; + + unsigned int nurbs; /* # urbs */ + unsigned long active_mask; /* bitmask of active urbs */ + unsigned long unlink_mask; /* bitmask of unlinked urbs */ + char *syncbuf; /* sync buffer for all sync URBs */ + dma_addr_t sync_dma; /* DMA address of syncbuf */ + + unsigned int pipe; /* the data i/o pipe */ + unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */ + unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */ + int freqshift; /* how much to shift the feedback value to get Q16.16 */ + unsigned int freqmax; /* maximum sampling rate, used for buffer management */ + unsigned int phase; /* phase accumulator */ + unsigned int maxpacksize; /* max packet size in bytes */ + unsigned int maxframesize; /* max packet size in frames */ + unsigned int curpacksize; /* current packet size in bytes (for capture) */ + unsigned int curframesize; /* current packet size in frames (for capture) */ + unsigned int syncmaxsize; /* sync endpoint packet size */ + unsigned int fill_max:1; /* fill max packet size always */ + unsigned int datainterval; /* log_2 of data packet interval */ + unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */ + unsigned char silence_value; + unsigned int stride; + int iface, alt_idx; + + spinlock_t lock; + struct list_head list; }; struct snd_usb_substream { @@ -57,21 +108,6 @@ struct snd_usb_substream { unsigned int cur_rate; /* current rate (for hw_params callback) */ unsigned int period_bytes; /* current period bytes (for hw_params callback) */ unsigned int altset_idx; /* USB data format: index of alternate setting */ - unsigned int datapipe; /* the data i/o pipe */ - unsigned int syncpipe; /* 1 - async out or adaptive in */ - unsigned int datainterval; /* log_2 of data packet interval */ - unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */ - unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */ - unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */ - int freqshift; /* how much to shift the feedback value to get Q16.16 */ - unsigned int freqmax; /* maximum sampling rate, used for buffer management */ - unsigned int phase; /* phase accumulator */ - unsigned int maxpacksize; /* max packet size in bytes */ - unsigned int maxframesize; /* max packet size in frames */ - unsigned int curpacksize; /* current packet size in bytes (for capture) */ - unsigned int curframesize; /* current packet size in frames (for capture) */ - unsigned int syncmaxsize; /* sync endpoint packet size */ - unsigned int fill_max: 1; /* fill max packet size always */ unsigned int txfr_quirk:1; /* allow sub-frame alignment */ unsigned int fmt_type; /* USB audio format type (1-3) */ @@ -82,11 +118,10 @@ struct snd_usb_substream { unsigned long active_mask; /* bitmask of active urbs */ unsigned long unlink_mask; /* bitmask of unlinked urbs */ - unsigned int nurbs; /* # urbs */ - struct snd_urb_ctx dataurb[MAX_URBS]; /* data urb table */ - struct snd_urb_ctx syncurb[SYNC_URBS]; /* sync urb table */ - char *syncbuf; /* sync buffer for all sync URBs */ - dma_addr_t sync_dma; /* DMA address of syncbuf */ + /* data and sync endpoints for this stream */ + struct snd_usb_endpoint *data_endpoint; + struct snd_usb_endpoint *sync_endpoint; + unsigned long flags; u64 formats; /* format bitmasks (all or'ed) */ unsigned int num_formats; /* number of supported audio formats (list) */ @@ -94,7 +129,6 @@ struct snd_usb_substream { struct snd_pcm_hw_constraint_list rate_list; /* limited rates */ spinlock_t lock; - struct snd_urb_ops ops; /* callbacks (must be filled at init) */ int last_frame_number; /* stored frame number */ int last_delay; /* stored delay */ }; diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 08dcce53720b..e6906901debb 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -20,9 +20,11 @@ #include <linux/ratelimit.h> #include <linux/usb.h> #include <linux/usb/audio.h> +#include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> +#include <sound/pcm_params.h> #include "usbaudio.h" #include "helper.h" @@ -30,6 +32,36 @@ #include "endpoint.h" #include "pcm.h" +#define EP_FLAG_ACTIVATED 0 +#define EP_FLAG_RUNNING 1 + +/* + * snd_usb_endpoint is a model that abstracts everything related to an + * USB endpoint and its streaming. + * + * There are functions to activate and deactivate the streaming URBs and + * optional callbacks to let the pcm logic handle the actual content of the + * packets for playback and record. Thus, the bus streaming and the audio + * handlers are fully decoupled. + * + * There are two different types of endpoints in audio applications. + * + * SND_USB_ENDPOINT_TYPE_DATA handles full audio data payload for both + * inbound and outbound traffic. + * + * SND_USB_ENDPOINT_TYPE_SYNC endpoints are for inbound traffic only and + * expect the payload to carry Q10.14 / Q16.16 formatted sync information + * (3 or 4 bytes). + * + * Each endpoint has to be configured prior to being used by calling + * snd_usb_endpoint_set_params(). + * + * The model incorporates a reference counting, so that multiple users + * can call snd_usb_endpoint_start() and snd_usb_endpoint_stop(), and + * only the first user will effectively start the URBs, and only the last + * one to stop it will tear the URBs down again. + */ + /* * convert a sampling rate into our full speed format (fs/1000 in Q16.16) * this will overflow at approx 524 kHz @@ -49,71 +81,415 @@ static inline unsigned get_usb_high_speed_rate(unsigned int rate) } /* - * unlink active urbs. + * release a urb data */ -static int deactivate_urbs(struct snd_usb_substream *subs, int force, int can_sleep) +static void release_urb_ctx(struct snd_urb_ctx *u) { - struct snd_usb_audio *chip = subs->stream->chip; - unsigned int i; - int async; + if (u->buffer_size) + usb_free_coherent(u->ep->chip->dev, u->buffer_size, + u->urb->transfer_buffer, + u->urb->transfer_dma); + usb_free_urb(u->urb); + u->urb = NULL; +} + +static const char *usb_error_string(int err) +{ + switch (err) { + case -ENODEV: + return "no device"; + case -ENOENT: + return "endpoint not enabled"; + case -EPIPE: + return "endpoint stalled"; + case -ENOSPC: + return "not enough bandwidth"; + case -ESHUTDOWN: + return "device disabled"; + case -EHOSTUNREACH: + return "device suspended"; + case -EINVAL: + case -EAGAIN: + case -EFBIG: + case -EMSGSIZE: + return "internal error"; + default: + return "unknown error"; + } +} + +/** + * snd_usb_endpoint_implicit_feedback_sink: Report endpoint usage type + * + * @ep: The snd_usb_endpoint + * + * Determine whether an endpoint is driven by an implicit feedback + * data endpoint source. + */ +int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep) +{ + return ep->sync_master && + ep->sync_master->type == SND_USB_ENDPOINT_TYPE_DATA && + ep->type == SND_USB_ENDPOINT_TYPE_DATA && + usb_pipeout(ep->pipe); +} - subs->running = 0; +/* + * For streaming based on information derived from sync endpoints, + * prepare_outbound_urb_sizes() will call next_packet_size() to + * determine the number of samples to be sent in the next packet. + * + * For implicit feedback, next_packet_size() is unused. + */ +static int next_packet_size(struct snd_usb_endpoint *ep) +{ + unsigned long flags; + int ret; - if (!force && subs->stream->chip->shutdown) /* to be sure... */ - return -EBADFD; + if (ep->fill_max) + return ep->maxframesize; - async = !can_sleep && chip->async_unlink; + spin_lock_irqsave(&ep->lock, flags); + ep->phase = (ep->phase & 0xffff) + + (ep->freqm << ep->datainterval); + ret = min(ep->phase >> 16, ep->maxframesize); + spin_unlock_irqrestore(&ep->lock, flags); - if (!async && in_interrupt()) - return 0; + return ret; +} - for (i = 0; i < subs->nurbs; i++) { - if (test_bit(i, &subs->active_mask)) { - if (!test_and_set_bit(i, &subs->unlink_mask)) { - struct urb *u = subs->dataurb[i].urb; - if (async) - usb_unlink_urb(u); - else - usb_kill_urb(u); +static void retire_outbound_urb(struct snd_usb_endpoint *ep, + struct snd_urb_ctx *urb_ctx) +{ + if (ep->retire_data_urb) + ep->retire_data_urb(ep->data_subs, urb_ctx->urb); +} + +static void retire_inbound_urb(struct snd_usb_endpoint *ep, + struct snd_urb_ctx *urb_ctx) +{ + struct urb *urb = urb_ctx->urb; + + if (ep->sync_slave) + snd_usb_handle_sync_urb(ep->sync_slave, ep, urb); + + if (ep->retire_data_urb) + ep->retire_data_urb(ep->data_subs, urb); +} + +static void prepare_outbound_urb_sizes(struct snd_usb_endpoint *ep, + struct snd_urb_ctx *ctx) +{ + int i; + + for (i = 0; i < ctx->packets; ++i) + ctx->packet_size[i] = next_packet_size(ep); +} + +/* + * Prepare a PLAYBACK urb for submission to the bus. + */ +static void prepare_outbound_urb(struct snd_usb_endpoint *ep, + struct snd_urb_ctx *ctx) +{ + int i; + struct urb *urb = ctx->urb; + unsigned char *cp = urb->transfer_buffer; + + urb->dev = ep->chip->dev; /* we need to set this at each time */ + + switch (ep->type) { + case SND_USB_ENDPOINT_TYPE_DATA: + if (ep->prepare_data_urb) { + ep->prepare_data_urb(ep->data_subs, urb); + } else { + /* no data provider, so send silence */ + unsigned int offs = 0; + for (i = 0; i < ctx->packets; ++i) { + int counts = ctx->packet_size[i]; + urb->iso_frame_desc[i].offset = offs * ep->stride; + urb->iso_frame_desc[i].length = counts * ep->stride; + offs += counts; } + + urb->number_of_packets = ctx->packets; + urb->transfer_buffer_length = offs * ep->stride; + memset(urb->transfer_buffer, ep->silence_value, + offs * ep->stride); } + break; + + case SND_USB_ENDPOINT_TYPE_SYNC: + if (snd_usb_get_speed(ep->chip->dev) >= USB_SPEED_HIGH) { + /* + * fill the length and offset of each urb descriptor. + * the fixed 12.13 frequency is passed as 16.16 through the pipe. + */ + urb->iso_frame_desc[0].length = 4; + urb->iso_frame_desc[0].offset = 0; + cp[0] = ep->freqn; + cp[1] = ep->freqn >> 8; + cp[2] = ep->freqn >> 16; + cp[3] = ep->freqn >> 24; + } else { + /* + * fill the length and offset of each urb descriptor. + * the fixed 10.14 frequency is passed through the pipe. + */ + urb->iso_frame_desc[0].length = 3; + urb->iso_frame_desc[0].offset = 0; + cp[0] = ep->freqn >> 2; + cp[1] = ep->freqn >> 10; + cp[2] = ep->freqn >> 18; + } + + break; } - if (subs->syncpipe) { - for (i = 0; i < SYNC_URBS; i++) { - if (test_bit(i+16, &subs->active_mask)) { - if (!test_and_set_bit(i+16, &subs->unlink_mask)) { - struct urb *u = subs->syncurb[i].urb; - if (async) - usb_unlink_urb(u); - else - usb_kill_urb(u); - } - } +} + +/* + * Prepare a CAPTURE or SYNC urb for submission to the bus. + */ +static inline void prepare_inbound_urb(struct snd_usb_endpoint *ep, + struct snd_urb_ctx *urb_ctx) +{ + int i, offs; + struct urb *urb = urb_ctx->urb; + + urb->dev = ep->chip->dev; /* we need to set this at each time */ + + switch (ep->type) { + case SND_USB_ENDPOINT_TYPE_DATA: + offs = 0; + for (i = 0; i < urb_ctx->packets; i++) { + urb->iso_frame_desc[i].offset = offs; + urb->iso_frame_desc[i].length = ep->curpacksize; + offs += ep->curpacksize; } + + urb->transfer_buffer_length = offs; + urb->number_of_packets = urb_ctx->packets; + break; + + case SND_USB_ENDPOINT_TYPE_SYNC: + urb->iso_frame_desc[0].length = min(4u, ep->syncmaxsize); + urb->iso_frame_desc[0].offset = 0; + break; } - return 0; } +/* + * Send output urbs that have been prepared previously. URBs are dequeued + * from ep->ready_playback_urbs and in case there there aren't any available + * or there are no packets that have been prepared, this function does + * nothing. + * + * The reason why the functionality of sending and preparing URBs is separated + * is that host controllers don't guarantee the order in which they return + * inbound and outbound packets to their submitters. + * + * This function is only used for implicit feedback endpoints. For endpoints + * driven by dedicated sync endpoints, URBs are immediately re-submitted + * from their completion handler. + */ +static void queue_pending_output_urbs(struct snd_usb_endpoint *ep) +{ + while (test_bit(EP_FLAG_RUNNING, &ep->flags)) { + + unsigned long flags; + struct snd_usb_packet_info *uninitialized_var(packet); + struct snd_urb_ctx *ctx = NULL; + struct urb *urb; + int err, i; + + spin_lock_irqsave(&ep->lock, flags); + if (ep->next_packet_read_pos != ep->next_packet_write_pos) { + packet = ep->next_packet + ep->next_packet_read_pos; + ep->next_packet_read_pos++; + ep->next_packet_read_pos %= MAX_URBS; + + /* take URB out of FIFO */ + if (!list_empty(&ep->ready_playback_urbs)) + ctx = list_first_entry(&ep->ready_playback_urbs, + struct snd_urb_ctx, ready_list); + } + spin_unlock_irqrestore(&ep->lock, flags); + + if (ctx == NULL) + return; + + list_del_init(&ctx->ready_list); + urb = ctx->urb; + + /* copy over the length information */ + for (i = 0; i < packet->packets; i++) + ctx->packet_size[i] = packet->packet_size[i]; + + /* call the data handler to fill in playback data */ + prepare_outbound_urb(ep, ctx); + + err = usb_submit_urb(ctx->urb, GFP_ATOMIC); + if (err < 0) + snd_printk(KERN_ERR "Unable to submit urb #%d: %d (urb %p)\n", + ctx->index, err, ctx->urb); + else + set_bit(ctx->index, &ep->active_mask); + } +} /* - * release a urb data + * complete callback for urbs */ -static void release_urb_ctx(struct snd_urb_ctx *u) +static void snd_complete_urb(struct urb *urb) +{ + struct snd_urb_ctx *ctx = urb->context; + struct snd_usb_endpoint *ep = ctx->ep; + int err; + + if (unlikely(urb->status == -ENOENT || /* unlinked */ + urb->status == -ENODEV || /* device removed */ + urb->status == -ECONNRESET || /* unlinked */ + urb->status == -ESHUTDOWN || /* device disabled */ + ep->chip->shutdown)) /* device disconnected */ + goto exit_clear; + + if (usb_pipeout(ep->pipe)) { + retire_outbound_urb(ep, ctx); + /* can be stopped during retire callback */ + if (unlikely(!test_bit(EP_FLAG_RUNNING, &ep->flags))) + goto exit_clear; + + if (snd_usb_endpoint_implict_feedback_sink(ep)) { + unsigned long flags; + + spin_lock_irqsave(&ep->lock, flags); + list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs); + spin_unlock_irqrestore(&ep->lock, flags); + queue_pending_output_urbs(ep); + + goto exit_clear; + } + + prepare_outbound_urb_sizes(ep, ctx); + prepare_outbound_urb(ep, ctx); + } else { + retire_inbound_urb(ep, ctx); + /* can be stopped during retire callback */ + if (unlikely(!test_bit(EP_FLAG_RUNNING, &ep->flags))) + goto exit_clear; + + prepare_inbound_urb(ep, ctx); + } + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err == 0) + return; + + snd_printk(KERN_ERR "cannot submit urb (err = %d)\n", err); + //snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + +exit_clear: + clear_bit(ctx->index, &ep->active_mask); +} + +/** + * snd_usb_add_endpoint: Add an endpoint to an USB audio chip + * + * @chip: The chip + * @alts: The USB host interface + * @ep_num: The number of the endpoint to use + * @direction: SNDRV_PCM_STREAM_PLAYBACK or SNDRV_PCM_STREAM_CAPTURE + * @type: SND_USB_ENDPOINT_TYPE_DATA or SND_USB_ENDPOINT_TYPE_SYNC + * + * If the requested endpoint has not been added to the given chip before, + * a new instance is created. Otherwise, a pointer to the previoulsy + * created instance is returned. In case of any error, NULL is returned. + * + * New endpoints will be added to chip->ep_list and must be freed by + * calling snd_usb_endpoint_free(). + */ +struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, + struct usb_host_interface *alts, + int ep_num, int direction, int type) { - if (u->urb) { - if (u->buffer_size) - usb_free_coherent(u->subs->dev, u->buffer_size, - u->urb->transfer_buffer, - u->urb->transfer_dma); - usb_free_urb(u->urb); - u->urb = NULL; + struct list_head *p; + struct snd_usb_endpoint *ep; + int ret, is_playback = direction == SNDRV_PCM_STREAM_PLAYBACK; + + mutex_lock(&chip->mutex); + + list_for_each(p, &chip->ep_list) { + ep = list_entry(p, struct snd_usb_endpoint, list); + if (ep->ep_num == ep_num && + ep->iface == alts->desc.bInterfaceNumber && + ep->alt_idx == alts->desc.bAlternateSetting) { + snd_printdd(KERN_DEBUG "Re-using EP %x in iface %d,%d @%p\n", + ep_num, ep->iface, ep->alt_idx, ep); + goto __exit_unlock; + } + } + + snd_printdd(KERN_DEBUG "Creating new %s %s endpoint #%x\n", + is_playback ? "playback" : "capture", + type == SND_USB_ENDPOINT_TYPE_DATA ? "data" : "sync", + ep_num); + + /* select the alt setting once so the endpoints become valid */ + ret = usb_set_interface(chip->dev, alts->desc.bInterfaceNumber, + alts->desc.bAlternateSetting); + if (ret < 0) { + snd_printk(KERN_ERR "%s(): usb_set_interface() failed, ret = %d\n", + __func__, ret); + ep = NULL; + goto __exit_unlock; } + + ep = kzalloc(sizeof(*ep), GFP_KERNEL); + if (!ep) + goto __exit_unlock; + + ep->chip = chip; + spin_lock_init(&ep->lock); + ep->type = type; + ep->ep_num = ep_num; + ep->iface = alts->desc.bInterfaceNumber; + ep->alt_idx = alts->desc.bAlternateSetting; + INIT_LIST_HEAD(&ep->ready_playback_urbs); + ep_num &= USB_ENDPOINT_NUMBER_MASK; + + if (is_playback) + ep->pipe = usb_sndisocpipe(chip->dev, ep_num); + else + ep->pipe = usb_rcvisocpipe(chip->dev, ep_num); + + if (type == SND_USB_ENDPOINT_TYPE_SYNC) { + if (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE && + get_endpoint(alts, 1)->bRefresh >= 1 && + get_endpoint(alts, 1)->bRefresh <= 9) + ep->syncinterval = get_endpoint(alts, 1)->bRefresh; + else if (snd_usb_get_speed(chip->dev) == USB_SPEED_FULL) + ep->syncinterval = 1; + else if (get_endpoint(alts, 1)->bInterval >= 1 && + get_endpoint(alts, 1)->bInterval <= 16) + ep->syncinterval = get_endpoint(alts, 1)->bInterval - 1; + else + ep->syncinterval = 3; + + ep->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize); + } + + list_add_tail(&ep->list, &chip->ep_list); + +__exit_unlock: + mutex_unlock(&chip->mutex); + + return ep; } /* * wait until all urbs are processed. */ -static int wait_clear_urbs(struct snd_usb_substream *subs) +static int wait_clear_urbs(struct snd_usb_endpoint *ep) { unsigned long end_time = jiffies + msecs_to_jiffies(1000); unsigned int i; @@ -121,153 +497,148 @@ static int wait_clear_urbs(struct snd_usb_substream *subs) do { alive = 0; - for (i = 0; i < subs->nurbs; i++) { - if (test_bit(i, &subs->active_mask)) + for (i = 0; i < ep->nurbs; i++) + if (test_bit(i, &ep->active_mask)) alive++; - } - if (subs->syncpipe) { - for (i = 0; i < SYNC_URBS; i++) { - if (test_bit(i + 16, &subs->active_mask)) - alive++; - } - } - if (! alive) + + if (!alive) break; + schedule_timeout_uninterruptible(1); } while (time_before(jiffies, end_time)); + if (alive) - snd_printk(KERN_ERR "timeout: still %d active urbs..\n", alive); + snd_printk(KERN_ERR "timeout: still %d active urbs on EP #%x\n", + alive, ep->ep_num); + return 0; } /* - * release a substream + * unlink active urbs. */ -void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force) +static int deactivate_urbs(struct snd_usb_endpoint *ep, int force, int can_sleep) { - int i; + unsigned int i; + int async; - /* stop urbs (to be sure) */ - deactivate_urbs(subs, force, 1); - wait_clear_urbs(subs); - - for (i = 0; i < MAX_URBS; i++) - release_urb_ctx(&subs->dataurb[i]); - for (i = 0; i < SYNC_URBS; i++) - release_urb_ctx(&subs->syncurb[i]); - usb_free_coherent(subs->dev, SYNC_URBS * 4, - subs->syncbuf, subs->sync_dma); - subs->syncbuf = NULL; - subs->nurbs = 0; -} + if (!force && ep->chip->shutdown) /* to be sure... */ + return -EBADFD; -/* - * complete callback from data urb - */ -static void snd_complete_urb(struct urb *urb) -{ - struct snd_urb_ctx *ctx = urb->context; - struct snd_usb_substream *subs = ctx->subs; - struct snd_pcm_substream *substream = ctx->subs->pcm_substream; - int err = 0; - - if ((subs->running && subs->ops.retire(subs, substream->runtime, urb)) || - !subs->running || /* can be stopped during retire callback */ - (err = subs->ops.prepare(subs, substream->runtime, urb)) < 0 || - (err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { - clear_bit(ctx->index, &subs->active_mask); - if (err < 0) { - snd_printd(KERN_ERR "cannot submit urb (err = %d)\n", err); - snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + async = !can_sleep && ep->chip->async_unlink; + + clear_bit(EP_FLAG_RUNNING, &ep->flags); + + INIT_LIST_HEAD(&ep->ready_playback_urbs); + ep->next_packet_read_pos = 0; + ep->next_packet_write_pos = 0; + + if (!async && in_interrupt()) + return 0; + + for (i = 0; i < ep->nurbs; i++) { + if (test_bit(i, &ep->active_mask)) { + if (!test_and_set_bit(i, &ep->unlink_mask)) { + struct urb *u = ep->urb[i].urb; + if (async) + usb_unlink_urb(u); + else + usb_kill_urb(u); + } } } -} + return 0; +} /* - * complete callback from sync urb + * release an endpoint's urbs */ -static void snd_complete_sync_urb(struct urb *urb) +static void release_urbs(struct snd_usb_endpoint *ep, int force) { - struct snd_urb_ctx *ctx = urb->context; - struct snd_usb_substream *subs = ctx->subs; - struct snd_pcm_substream *substream = ctx->subs->pcm_substream; - int err = 0; - - if ((subs->running && subs->ops.retire_sync(subs, substream->runtime, urb)) || - !subs->running || /* can be stopped during retire callback */ - (err = subs->ops.prepare_sync(subs, substream->runtime, urb)) < 0 || - (err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { - clear_bit(ctx->index + 16, &subs->active_mask); - if (err < 0) { - snd_printd(KERN_ERR "cannot submit sync urb (err = %d)\n", err); - snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); - } - } -} + int i; + /* route incoming urbs to nirvana */ + ep->retire_data_urb = NULL; + ep->prepare_data_urb = NULL; + + /* stop urbs */ + deactivate_urbs(ep, force, 1); + wait_clear_urbs(ep); + + for (i = 0; i < ep->nurbs; i++) + release_urb_ctx(&ep->urb[i]); + + if (ep->syncbuf) + usb_free_coherent(ep->chip->dev, SYNC_URBS * 4, + ep->syncbuf, ep->sync_dma); + + ep->syncbuf = NULL; + ep->nurbs = 0; +} /* - * initialize a substream for plaback/capture + * configure a data endpoint */ -int snd_usb_init_substream_urbs(struct snd_usb_substream *subs, - unsigned int period_bytes, - unsigned int rate, - unsigned int frame_bits) +static int data_ep_set_params(struct snd_usb_endpoint *ep, + struct snd_pcm_hw_params *hw_params, + struct audioformat *fmt, + struct snd_usb_endpoint *sync_ep) { - unsigned int maxsize, i; - int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK; - unsigned int urb_packs, total_packs, packs_per_ms; - struct snd_usb_audio *chip = subs->stream->chip; + unsigned int maxsize, i, urb_packs, total_packs, packs_per_ms; + int period_bytes = params_period_bytes(hw_params); + int format = params_format(hw_params); + int is_playback = usb_pipeout(ep->pipe); + int frame_bits = snd_pcm_format_physical_width(params_format(hw_params)) * + params_channels(hw_params); + + ep->datainterval = fmt->datainterval; + ep->stride = frame_bits >> 3; + ep->silence_value = format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0; - /* calculate the frequency in 16.16 format */ - if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) - subs->freqn = get_usb_full_speed_rate(rate); - else - subs->freqn = get_usb_high_speed_rate(rate); - subs->freqm = subs->freqn; - subs->freqshift = INT_MIN; /* calculate max. frequency */ - if (subs->maxpacksize) { + if (ep->maxpacksize) { /* whatever fits into a max. size packet */ - maxsize = subs->maxpacksize; - subs->freqmax = (maxsize / (frame_bits >> 3)) - << (16 - subs->datainterval); + maxsize = ep->maxpacksize; + ep->freqmax = (maxsize / (frame_bits >> 3)) + << (16 - ep->datainterval); } else { /* no max. packet size: just take 25% higher than nominal */ - subs->freqmax = subs->freqn + (subs->freqn >> 2); - maxsize = ((subs->freqmax + 0xffff) * (frame_bits >> 3)) - >> (16 - subs->datainterval); + ep->freqmax = ep->freqn + (ep->freqn >> 2); + maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3)) + >> (16 - ep->datainterval); } - subs->phase = 0; - if (subs->fill_max) - subs->curpacksize = subs->maxpacksize; + if (ep->fill_max) + ep->curpacksize = ep->maxpacksize; else - subs->curpacksize = maxsize; + ep->curpacksize = maxsize; - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) - packs_per_ms = 8 >> subs->datainterval; + if (snd_usb_get_speed(ep->chip->dev) != USB_SPEED_FULL) + packs_per_ms = 8 >> ep->datainterval; else packs_per_ms = 1; - if (is_playback) { - urb_packs = max(chip->nrpacks, 1); - urb_packs = min(urb_packs, (unsigned int)MAX_PACKS); - } else + if (is_playback && !snd_usb_endpoint_implict_feedback_sink(ep)) { + urb_packs = max(ep->chip->nrpacks, 1); + urb_packs = min(urb_packs, (unsigned int) MAX_PACKS); + } else { urb_packs = 1; + } + urb_packs *= packs_per_ms; - if (subs->syncpipe) - urb_packs = min(urb_packs, 1U << subs->syncinterval); + + if (sync_ep && !snd_usb_endpoint_implict_feedback_sink(ep)) + urb_packs = min(urb_packs, 1U << sync_ep->syncinterval); /* decide how many packets to be used */ - if (is_playback) { + if (is_playback && !snd_usb_endpoint_implict_feedback_sink(ep)) { unsigned int minsize, maxpacks; /* determine how small a packet can be */ - minsize = (subs->freqn >> (16 - subs->datainterval)) + minsize = (ep->freqn >> (16 - ep->datainterval)) * (frame_bits >> 3); /* with sync from device, assume it can be 12% lower */ - if (subs->syncpipe) + if (sync_ep) minsize -= minsize >> 3; minsize = max(minsize, 1u); total_packs = (period_bytes + minsize - 1) / minsize; @@ -284,284 +655,472 @@ int snd_usb_init_substream_urbs(struct snd_usb_substream *subs, urb_packs >>= 1; total_packs = MAX_URBS * urb_packs; } - subs->nurbs = (total_packs + urb_packs - 1) / urb_packs; - if (subs->nurbs > MAX_URBS) { + + ep->nurbs = (total_packs + urb_packs - 1) / urb_packs; + if (ep->nurbs > MAX_URBS) { /* too much... */ - subs->nurbs = MAX_URBS; + ep->nurbs = MAX_URBS; total_packs = MAX_URBS * urb_packs; - } else if (subs->nurbs < 2) { + } else if (ep->nurbs < 2) { /* too little - we need at least two packets * to ensure contiguous playback/capture */ - subs->nurbs = 2; + ep->nurbs = 2; } /* allocate and initialize data urbs */ - for (i = 0; i < subs->nurbs; i++) { - struct snd_urb_ctx *u = &subs->dataurb[i]; + for (i = 0; i < ep->nurbs; i++) { + struct snd_urb_ctx *u = &ep->urb[i]; u->index = i; - u->subs = subs; - u->packets = (i + 1) * total_packs / subs->nurbs - - i * total_packs / subs->nurbs; + u->ep = ep; + u->packets = (i + 1) * total_packs / ep->nurbs + - i * total_packs / ep->nurbs; u->buffer_size = maxsize * u->packets; - if (subs->fmt_type == UAC_FORMAT_TYPE_II) + + if (fmt->fmt_type == UAC_FORMAT_TYPE_II) u->packets++; /* for transfer delimiter */ u->urb = usb_alloc_urb(u->packets, GFP_KERNEL); if (!u->urb) goto out_of_memory; + u->urb->transfer_buffer = - usb_alloc_coherent(subs->dev, u->buffer_size, + usb_alloc_coherent(ep->chip->dev, u->buffer_size, GFP_KERNEL, &u->urb->transfer_dma); if (!u->urb->transfer_buffer) goto out_of_memory; - u->urb->pipe = subs->datapipe; + u->urb->pipe = ep->pipe; u->urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; - u->urb->interval = 1 << subs->datainterval; + u->urb->interval = 1 << ep->datainterval; u->urb->context = u; u->urb->complete = snd_complete_urb; + INIT_LIST_HEAD(&u->ready_list); } - if (subs->syncpipe) { - /* allocate and initialize sync urbs */ - subs->syncbuf = usb_alloc_coherent(subs->dev, SYNC_URBS * 4, - GFP_KERNEL, &subs->sync_dma); - if (!subs->syncbuf) - goto out_of_memory; - for (i = 0; i < SYNC_URBS; i++) { - struct snd_urb_ctx *u = &subs->syncurb[i]; - u->index = i; - u->subs = subs; - u->packets = 1; - u->urb = usb_alloc_urb(1, GFP_KERNEL); - if (!u->urb) - goto out_of_memory; - u->urb->transfer_buffer = subs->syncbuf + i * 4; - u->urb->transfer_dma = subs->sync_dma + i * 4; - u->urb->transfer_buffer_length = 4; - u->urb->pipe = subs->syncpipe; - u->urb->transfer_flags = URB_ISO_ASAP | - URB_NO_TRANSFER_DMA_MAP; - u->urb->number_of_packets = 1; - u->urb->interval = 1 << subs->syncinterval; - u->urb->context = u; - u->urb->complete = snd_complete_sync_urb; - } - } return 0; out_of_memory: - snd_usb_release_substream_urbs(subs, 0); + release_urbs(ep, 0); return -ENOMEM; } /* - * prepare urb for full speed capture sync pipe - * - * fill the length and offset of each urb descriptor. - * the fixed 10.14 frequency is passed through the pipe. + * configure a sync endpoint */ -static int prepare_capture_sync_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +static int sync_ep_set_params(struct snd_usb_endpoint *ep, + struct snd_pcm_hw_params *hw_params, + struct audioformat *fmt) { - unsigned char *cp = urb->transfer_buffer; - struct snd_urb_ctx *ctx = urb->context; + int i; + + ep->syncbuf = usb_alloc_coherent(ep->chip->dev, SYNC_URBS * 4, + GFP_KERNEL, &ep->sync_dma); + if (!ep->syncbuf) + return -ENOMEM; + + for (i = 0; i < SYNC_URBS; i++) { + struct snd_urb_ctx *u = &ep->urb[i]; + u->index = i; + u->ep = ep; + u->packets = 1; + u->urb = usb_alloc_urb(1, GFP_KERNEL); + if (!u->urb) + goto out_of_memory; + u->urb->transfer_buffer = ep->syncbuf + i * 4; + u->urb->transfer_dma = ep->sync_dma + i * 4; + u->urb->transfer_buffer_length = 4; + u->urb->pipe = ep->pipe; + u->urb->transfer_flags = URB_ISO_ASAP | + URB_NO_TRANSFER_DMA_MAP; + u->urb->number_of_packets = 1; + u->urb->interval = 1 << ep->syncinterval; + u->urb->context = u; + u->urb->complete = snd_complete_urb; + } + + ep->nurbs = SYNC_URBS; - urb->dev = ctx->subs->dev; /* we need to set this at each time */ - urb->iso_frame_desc[0].length = 3; - urb->iso_frame_desc[0].offset = 0; - cp[0] = subs->freqn >> 2; - cp[1] = subs->freqn >> 10; - cp[2] = subs->freqn >> 18; return 0; + +out_of_memory: + release_urbs(ep, 0); + return -ENOMEM; } -/* - * prepare urb for high speed capture sync pipe +/** + * snd_usb_endpoint_set_params: configure an snd_usb_endpoint + * + * @ep: the snd_usb_endpoint to configure + * @hw_params: the hardware parameters + * @fmt: the USB audio format information + * @sync_ep: the sync endpoint to use, if any * - * fill the length and offset of each urb descriptor. - * the fixed 12.13 frequency is passed as 16.16 through the pipe. + * Determine the number of URBs to be used on this endpoint. + * An endpoint must be configured before it can be started. + * An endpoint that is already running can not be reconfigured. */ -static int prepare_capture_sync_urb_hs(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, + struct snd_pcm_hw_params *hw_params, + struct audioformat *fmt, + struct snd_usb_endpoint *sync_ep) { - unsigned char *cp = urb->transfer_buffer; - struct snd_urb_ctx *ctx = urb->context; + int err; - urb->dev = ctx->subs->dev; /* we need to set this at each time */ - urb->iso_frame_desc[0].length = 4; - urb->iso_frame_desc[0].offset = 0; - cp[0] = subs->freqn; - cp[1] = subs->freqn >> 8; - cp[2] = subs->freqn >> 16; - cp[3] = subs->freqn >> 24; - return 0; + if (ep->use_count != 0) { + snd_printk(KERN_WARNING "Unable to change format on ep #%x: already in use\n", + ep->ep_num); + return -EBUSY; + } + + /* release old buffers, if any */ + release_urbs(ep, 0); + + ep->datainterval = fmt->datainterval; + ep->maxpacksize = fmt->maxpacksize; + ep->fill_max = !!(fmt->attributes & UAC_EP_CS_ATTR_FILL_MAX); + + if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL) + ep->freqn = get_usb_full_speed_rate(params_rate(hw_params)); + else + ep->freqn = get_usb_high_speed_rate(params_rate(hw_params)); + + /* calculate the frequency in 16.16 format */ + ep->freqm = ep->freqn; + ep->freqshift = INT_MIN; + + ep->phase = 0; + + switch (ep->type) { + case SND_USB_ENDPOINT_TYPE_DATA: + err = data_ep_set_params(ep, hw_params, fmt, sync_ep); + break; + case SND_USB_ENDPOINT_TYPE_SYNC: + err = sync_ep_set_params(ep, hw_params, fmt); + break; + default: + err = -EINVAL; + } + + snd_printdd(KERN_DEBUG "Setting params for ep #%x (type %d, %d urbs), ret=%d\n", + ep->ep_num, ep->type, ep->nurbs, err); + + return err; } -/* - * process after capture sync complete - * - nothing to do +/** + * snd_usb_endpoint_start: start an snd_usb_endpoint + * + * @ep: the endpoint to start + * + * A call to this function will increment the use count of the endpoint. + * In case it is not already running, the URBs for this endpoint will be + * submitted. Otherwise, this function does nothing. + * + * Must be balanced to calls of snd_usb_endpoint_stop(). + * + * Returns an error if the URB submission failed, 0 in all other cases. */ -static int retire_capture_sync_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +int snd_usb_endpoint_start(struct snd_usb_endpoint *ep) { + int err; + unsigned int i; + + if (ep->chip->shutdown) + return -EBADFD; + + /* already running? */ + if (++ep->use_count != 1) + return 0; + + if (snd_BUG_ON(!test_bit(EP_FLAG_ACTIVATED, &ep->flags))) + return -EINVAL; + + /* just to be sure */ + deactivate_urbs(ep, 0, 1); + wait_clear_urbs(ep); + + ep->active_mask = 0; + ep->unlink_mask = 0; + ep->phase = 0; + + /* + * If this endpoint has a data endpoint as implicit feedback source, + * don't start the urbs here. Instead, mark them all as available, + * wait for the record urbs to return and queue the playback urbs + * from that context. + */ + + set_bit(EP_FLAG_RUNNING, &ep->flags); + + if (snd_usb_endpoint_implict_feedback_sink(ep)) { + for (i = 0; i < ep->nurbs; i++) { + struct snd_urb_ctx *ctx = ep->urb + i; + list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs); + } + + return 0; + } + + for (i = 0; i < ep->nurbs; i++) { + struct urb *urb = ep->urb[i].urb; + + if (snd_BUG_ON(!urb)) + goto __error; + + if (usb_pipeout(ep->pipe)) { + prepare_outbound_urb_sizes(ep, urb->context); + prepare_outbound_urb(ep, urb->context); + } else { + prepare_inbound_urb(ep, urb->context); + } + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + snd_printk(KERN_ERR "cannot submit urb %d, error %d: %s\n", + i, err, usb_error_string(err)); + goto __error; + } + set_bit(i, &ep->active_mask); + } + return 0; + +__error: + clear_bit(EP_FLAG_RUNNING, &ep->flags); + ep->use_count--; + deactivate_urbs(ep, 0, 0); + return -EPIPE; } -/* - * prepare urb for capture data pipe +/** + * snd_usb_endpoint_stop: stop an snd_usb_endpoint + * + * @ep: the endpoint to stop (may be NULL) * - * fill the offset and length of each descriptor. + * A call to this function will decrement the use count of the endpoint. + * In case the last user has requested the endpoint stop, the URBs will + * actually be deactivated. * - * we use a temporary buffer to write the captured data. - * since the length of written data is determined by host, we cannot - * write onto the pcm buffer directly... the data is thus copied - * later at complete callback to the global buffer. + * Must be balanced to calls of snd_usb_endpoint_start(). */ -static int prepare_capture_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, + int force, int can_sleep, int wait) { - int i, offs; - struct snd_urb_ctx *ctx = urb->context; + if (!ep) + return; - offs = 0; - urb->dev = ctx->subs->dev; /* we need to set this at each time */ - for (i = 0; i < ctx->packets; i++) { - urb->iso_frame_desc[i].offset = offs; - urb->iso_frame_desc[i].length = subs->curpacksize; - offs += subs->curpacksize; + if (snd_BUG_ON(ep->use_count == 0)) + return; + + if (snd_BUG_ON(!test_bit(EP_FLAG_ACTIVATED, &ep->flags))) + return; + + if (--ep->use_count == 0) { + deactivate_urbs(ep, force, can_sleep); + ep->data_subs = NULL; + ep->sync_slave = NULL; + ep->retire_data_urb = NULL; + ep->prepare_data_urb = NULL; + + if (wait) + wait_clear_urbs(ep); } - urb->transfer_buffer_length = offs; - urb->number_of_packets = ctx->packets; - return 0; } -/* - * process after capture complete +/** + * snd_usb_endpoint_activate: activate an snd_usb_endpoint + * + * @ep: the endpoint to activate + * + * If the endpoint is not currently in use, this functions will select the + * correct alternate interface setting for the interface of this endpoint. * - * copy the data from each desctiptor to the pcm buffer, and - * update the current position. + * In case of any active users, this functions does nothing. + * + * Returns an error if usb_set_interface() failed, 0 in all other + * cases. */ -static int retire_capture_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep) { - unsigned long flags; - unsigned char *cp; - int i; - unsigned int stride, frames, bytes, oldptr; - int period_elapsed = 0; + if (ep->use_count != 0) + return 0; - stride = runtime->frame_bits >> 3; + if (!ep->chip->shutdown && + !test_and_set_bit(EP_FLAG_ACTIVATED, &ep->flags)) { + int ret; - for (i = 0; i < urb->number_of_packets; i++) { - cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset; - if (urb->iso_frame_desc[i].status && printk_ratelimit()) { - snd_printdd("frame %d active: %d\n", i, urb->iso_frame_desc[i].status); - // continue; - } - bytes = urb->iso_frame_desc[i].actual_length; - frames = bytes / stride; - if (!subs->txfr_quirk) - bytes = frames * stride; - if (bytes % (runtime->sample_bits >> 3) != 0) { -#ifdef CONFIG_SND_DEBUG_VERBOSE - int oldbytes = bytes; -#endif - bytes = frames * stride; - snd_printdd(KERN_ERR "Corrected urb data len. %d->%d\n", - oldbytes, bytes); - } - /* update the current pointer */ - spin_lock_irqsave(&subs->lock, flags); - oldptr = subs->hwptr_done; - subs->hwptr_done += bytes; - if (subs->hwptr_done >= runtime->buffer_size * stride) - subs->hwptr_done -= runtime->buffer_size * stride; - frames = (bytes + (oldptr % stride)) / stride; - subs->transfer_done += frames; - if (subs->transfer_done >= runtime->period_size) { - subs->transfer_done -= runtime->period_size; - period_elapsed = 1; - } - spin_unlock_irqrestore(&subs->lock, flags); - /* copy a data chunk */ - if (oldptr + bytes > runtime->buffer_size * stride) { - unsigned int bytes1 = - runtime->buffer_size * stride - oldptr; - memcpy(runtime->dma_area + oldptr, cp, bytes1); - memcpy(runtime->dma_area, cp + bytes1, bytes - bytes1); - } else { - memcpy(runtime->dma_area + oldptr, cp, bytes); + ret = usb_set_interface(ep->chip->dev, ep->iface, ep->alt_idx); + if (ret < 0) { + snd_printk(KERN_ERR "%s() usb_set_interface() failed, ret = %d\n", + __func__, ret); + clear_bit(EP_FLAG_ACTIVATED, &ep->flags); + return ret; } + + return 0; } - if (period_elapsed) - snd_pcm_period_elapsed(subs->pcm_substream); - return 0; + + return -EBUSY; } -/* - * Process after capture complete when paused. Nothing to do. +/** + * snd_usb_endpoint_deactivate: deactivate an snd_usb_endpoint + * + * @ep: the endpoint to deactivate + * + * If the endpoint is not currently in use, this functions will select the + * alternate interface setting 0 for the interface of this endpoint. + * + * In case of any active users, this functions does nothing. + * + * Returns an error if usb_set_interface() failed, 0 in all other + * cases. */ -static int retire_paused_capture_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep) { - return 0; -} + if (!ep) + return -EINVAL; + if (ep->use_count != 0) + return 0; -/* - * prepare urb for playback sync pipe + if (!ep->chip->shutdown && + test_and_clear_bit(EP_FLAG_ACTIVATED, &ep->flags)) { + int ret; + + ret = usb_set_interface(ep->chip->dev, ep->iface, 0); + if (ret < 0) { + snd_printk(KERN_ERR "%s(): usb_set_interface() failed, ret = %d\n", + __func__, ret); + return ret; + } + + return 0; + } + + return -EBUSY; +} + +/** + * snd_usb_endpoint_free: Free the resources of an snd_usb_endpoint + * + * @ep: the list header of the endpoint to free * - * set up the offset and length to receive the current frequency. + * This function does not care for the endpoint's use count but will tear + * down all the streaming URBs immediately and free all resources. */ -static int prepare_playback_sync_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +void snd_usb_endpoint_free(struct list_head *head) { - struct snd_urb_ctx *ctx = urb->context; + struct snd_usb_endpoint *ep; - urb->dev = ctx->subs->dev; /* we need to set this at each time */ - urb->iso_frame_desc[0].length = min(4u, ctx->subs->syncmaxsize); - urb->iso_frame_desc[0].offset = 0; - return 0; + ep = list_entry(head, struct snd_usb_endpoint, list); + release_urbs(ep, 1); + kfree(ep); } -/* - * process after playback sync complete - * - * Full speed devices report feedback values in 10.14 format as samples per - * frame, high speed devices in 16.16 format as samples per microframe. - * Because the Audio Class 1 spec was written before USB 2.0, many high speed - * devices use a wrong interpretation, some others use an entirely different - * format. Therefore, we cannot predict what format any particular device uses - * and must detect it automatically. +/** + * snd_usb_handle_sync_urb: parse an USB sync packet + * + * @ep: the endpoint to handle the packet + * @sender: the sending endpoint + * @urb: the received packet + * + * This function is called from the context of an endpoint that received + * the packet and is used to let another endpoint object handle the payload. */ -static int retire_playback_sync_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) +void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, + struct snd_usb_endpoint *sender, + const struct urb *urb) { - unsigned int f; int shift; + unsigned int f; unsigned long flags; + snd_BUG_ON(ep == sender); + + /* + * In case the endpoint is operating in implicit feedback mode, prepare + * a new outbound URB that has the same layout as the received packet + * and add it to the list of pending urbs. queue_pending_output_urbs() + * will take care of them later. + */ + if (snd_usb_endpoint_implict_feedback_sink(ep) && + ep->use_count != 0) { + + /* implicit feedback case */ + int i, bytes = 0; + struct snd_urb_ctx *in_ctx; + struct snd_usb_packet_info *out_packet; + + in_ctx = urb->context; + + /* Count overall packet size */ + for (i = 0; i < in_ctx->packets; i++) + if (urb->iso_frame_desc[i].status == 0) + bytes += urb->iso_frame_desc[i].actual_length; + + /* + * skip empty packets. At least M-Audio's Fast Track Ultra stops + * streaming once it received a 0-byte OUT URB + */ + if (bytes == 0) + return; + + spin_lock_irqsave(&ep->lock, flags); + out_packet = ep->next_packet + ep->next_packet_write_pos; + + /* + * Iterate through the inbound packet and prepare the lengths + * for the output packet. The OUT packet we are about to send + * will have the same amount of payload bytes than the IN + * packet we just received. + */ + + out_packet->packets = in_ctx->packets; + for (i = 0; i < in_ctx->packets; i++) { + if (urb->iso_frame_desc[i].status == 0) + out_packet->packet_size[i] = + urb->iso_frame_desc[i].actual_length / ep->stride; + else + out_packet->packet_size[i] = 0; + } + + ep->next_packet_write_pos++; + ep->next_packet_write_pos %= MAX_URBS; + spin_unlock_irqrestore(&ep->lock, flags); + queue_pending_output_urbs(ep); + + return; + } + + /* + * process after playback sync complete + * + * Full speed devices report feedback values in 10.14 format as samples + * per frame, high speed devices in 16.16 format as samples per + * microframe. + * + * Because the Audio Class 1 spec was written before USB 2.0, many high + * speed devices use a wrong interpretation, some others use an + * entirely different format. + * + * Therefore, we cannot predict what format any particular device uses + * and must detect it automatically. + */ + if (urb->iso_frame_desc[0].status != 0 || urb->iso_frame_desc[0].actual_length < 3) - return 0; + return; f = le32_to_cpup(urb->transfer_buffer); if (urb->iso_frame_desc[0].actual_length == 3) f &= 0x00ffffff; else f &= 0x0fffffff; + if (f == 0) - return 0; + return; - if (unlikely(subs->freqshift == INT_MIN)) { + if (unlikely(ep->freqshift == INT_MIN)) { /* * The first time we see a feedback value, determine its format * by shifting it left or right until it matches the nominal @@ -569,398 +1128,34 @@ static int retire_playback_sync_urb(struct snd_usb_substream *subs, * differ from the nominal value more than +50% or -25%. */ shift = 0; - while (f < subs->freqn - subs->freqn / 4) { + while (f < ep->freqn - ep->freqn / 4) { f <<= 1; shift++; } - while (f > subs->freqn + subs->freqn / 2) { + while (f > ep->freqn + ep->freqn / 2) { f >>= 1; shift--; } - subs->freqshift = shift; - } - else if (subs->freqshift >= 0) - f <<= subs->freqshift; + ep->freqshift = shift; + } else if (ep->freqshift >= 0) + f <<= ep->freqshift; else - f >>= -subs->freqshift; + f >>= -ep->freqshift; - if (likely(f >= subs->freqn - subs->freqn / 8 && f <= subs->freqmax)) { + if (likely(f >= ep->freqn - ep->freqn / 8 && f <= ep->freqmax)) { /* * If the frequency looks valid, set it. * This value is referred to in prepare_playback_urb(). */ - spin_lock_irqsave(&subs->lock, flags); - subs->freqm = f; - spin_unlock_irqrestore(&subs->lock, flags); + spin_lock_irqsave(&ep->lock, flags); + ep->freqm = f; + spin_unlock_irqrestore(&ep->lock, flags); } else { /* * Out of range; maybe the shift value is wrong. * Reset it so that we autodetect again the next time. */ - subs->freqshift = INT_MIN; - } - - return 0; -} - -/* determine the number of frames in the next packet */ -static int snd_usb_audio_next_packet_size(struct snd_usb_substream *subs) -{ - if (subs->fill_max) - return subs->maxframesize; - else { - subs->phase = (subs->phase & 0xffff) - + (subs->freqm << subs->datainterval); - return min(subs->phase >> 16, subs->maxframesize); + ep->freqshift = INT_MIN; } } -/* - * Prepare urb for streaming before playback starts or when paused. - * - * We don't have any data, so we send silence. - */ -static int prepare_nodata_playback_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) -{ - unsigned int i, offs, counts; - struct snd_urb_ctx *ctx = urb->context; - int stride = runtime->frame_bits >> 3; - - offs = 0; - urb->dev = ctx->subs->dev; - for (i = 0; i < ctx->packets; ++i) { - counts = snd_usb_audio_next_packet_size(subs); - urb->iso_frame_desc[i].offset = offs * stride; - urb->iso_frame_desc[i].length = counts * stride; - offs += counts; - } - urb->number_of_packets = ctx->packets; - urb->transfer_buffer_length = offs * stride; - memset(urb->transfer_buffer, - runtime->format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0, - offs * stride); - return 0; -} - -/* - * prepare urb for playback data pipe - * - * Since a URB can handle only a single linear buffer, we must use double - * buffering when the data to be transferred overflows the buffer boundary. - * To avoid inconsistencies when updating hwptr_done, we use double buffering - * for all URBs. - */ -static int prepare_playback_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) -{ - int i, stride; - unsigned int counts, frames, bytes; - unsigned long flags; - int period_elapsed = 0; - struct snd_urb_ctx *ctx = urb->context; - - stride = runtime->frame_bits >> 3; - - frames = 0; - urb->dev = ctx->subs->dev; /* we need to set this at each time */ - urb->number_of_packets = 0; - spin_lock_irqsave(&subs->lock, flags); - for (i = 0; i < ctx->packets; i++) { - counts = snd_usb_audio_next_packet_size(subs); - /* set up descriptor */ - urb->iso_frame_desc[i].offset = frames * stride; - urb->iso_frame_desc[i].length = counts * stride; - frames += counts; - urb->number_of_packets++; - subs->transfer_done += counts; - if (subs->transfer_done >= runtime->period_size) { - subs->transfer_done -= runtime->period_size; - period_elapsed = 1; - if (subs->fmt_type == UAC_FORMAT_TYPE_II) { - if (subs->transfer_done > 0) { - /* FIXME: fill-max mode is not - * supported yet */ - frames -= subs->transfer_done; - counts -= subs->transfer_done; - urb->iso_frame_desc[i].length = - counts * stride; - subs->transfer_done = 0; - } - i++; - if (i < ctx->packets) { - /* add a transfer delimiter */ - urb->iso_frame_desc[i].offset = - frames * stride; - urb->iso_frame_desc[i].length = 0; - urb->number_of_packets++; - } - break; - } - } - if (period_elapsed) /* finish at the period boundary */ - break; - } - bytes = frames * stride; - if (subs->hwptr_done + bytes > runtime->buffer_size * stride) { - /* err, the transferred area goes over buffer boundary. */ - unsigned int bytes1 = - runtime->buffer_size * stride - subs->hwptr_done; - memcpy(urb->transfer_buffer, - runtime->dma_area + subs->hwptr_done, bytes1); - memcpy(urb->transfer_buffer + bytes1, - runtime->dma_area, bytes - bytes1); - } else { - memcpy(urb->transfer_buffer, - runtime->dma_area + subs->hwptr_done, bytes); - } - subs->hwptr_done += bytes; - if (subs->hwptr_done >= runtime->buffer_size * stride) - subs->hwptr_done -= runtime->buffer_size * stride; - - /* update delay with exact number of samples queued */ - runtime->delay = subs->last_delay; - runtime->delay += frames; - subs->last_delay = runtime->delay; - - /* realign last_frame_number */ - subs->last_frame_number = usb_get_current_frame_number(subs->dev); - subs->last_frame_number &= 0xFF; /* keep 8 LSBs */ - - spin_unlock_irqrestore(&subs->lock, flags); - urb->transfer_buffer_length = bytes; - if (period_elapsed) - snd_pcm_period_elapsed(subs->pcm_substream); - return 0; -} - -/* - * process after playback data complete - * - decrease the delay count again - */ -static int retire_playback_urb(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime, - struct urb *urb) -{ - unsigned long flags; - int stride = runtime->frame_bits >> 3; - int processed = urb->transfer_buffer_length / stride; - int est_delay; - - spin_lock_irqsave(&subs->lock, flags); - - est_delay = snd_usb_pcm_delay(subs, runtime->rate); - /* update delay with exact number of samples played */ - if (processed > subs->last_delay) - subs->last_delay = 0; - else - subs->last_delay -= processed; - runtime->delay = subs->last_delay; - - /* - * Report when delay estimate is off by more than 2ms. - * The error should be lower than 2ms since the estimate relies - * on two reads of a counter updated every ms. - */ - if (abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2) - snd_printk(KERN_DEBUG "delay: estimated %d, actual %d\n", - est_delay, subs->last_delay); - - spin_unlock_irqrestore(&subs->lock, flags); - return 0; -} - -static const char *usb_error_string(int err) -{ - switch (err) { - case -ENODEV: - return "no device"; - case -ENOENT: - return "endpoint not enabled"; - case -EPIPE: - return "endpoint stalled"; - case -ENOSPC: - return "not enough bandwidth"; - case -ESHUTDOWN: - return "device disabled"; - case -EHOSTUNREACH: - return "device suspended"; - case -EINVAL: - case -EAGAIN: - case -EFBIG: - case -EMSGSIZE: - return "internal error"; - default: - return "unknown error"; - } -} - -/* - * set up and start data/sync urbs - */ -static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime) -{ - unsigned int i; - int err; - - if (subs->stream->chip->shutdown) - return -EBADFD; - - for (i = 0; i < subs->nurbs; i++) { - if (snd_BUG_ON(!subs->dataurb[i].urb)) - return -EINVAL; - if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) { - snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i); - goto __error; - } - } - if (subs->syncpipe) { - for (i = 0; i < SYNC_URBS; i++) { - if (snd_BUG_ON(!subs->syncurb[i].urb)) - return -EINVAL; - if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) { - snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i); - goto __error; - } - } - } - - subs->active_mask = 0; - subs->unlink_mask = 0; - subs->running = 1; - for (i = 0; i < subs->nurbs; i++) { - err = usb_submit_urb(subs->dataurb[i].urb, GFP_ATOMIC); - if (err < 0) { - snd_printk(KERN_ERR "cannot submit datapipe " - "for urb %d, error %d: %s\n", - i, err, usb_error_string(err)); - goto __error; - } - set_bit(i, &subs->active_mask); - } - if (subs->syncpipe) { - for (i = 0; i < SYNC_URBS; i++) { - err = usb_submit_urb(subs->syncurb[i].urb, GFP_ATOMIC); - if (err < 0) { - snd_printk(KERN_ERR "cannot submit syncpipe " - "for urb %d, error %d: %s\n", - i, err, usb_error_string(err)); - goto __error; - } - set_bit(i + 16, &subs->active_mask); - } - } - return 0; - - __error: - // snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN); - deactivate_urbs(subs, 0, 0); - return -EPIPE; -} - - -/* - */ -static struct snd_urb_ops audio_urb_ops[2] = { - { - .prepare = prepare_nodata_playback_urb, - .retire = retire_playback_urb, - .prepare_sync = prepare_playback_sync_urb, - .retire_sync = retire_playback_sync_urb, - }, - { - .prepare = prepare_capture_urb, - .retire = retire_capture_urb, - .prepare_sync = prepare_capture_sync_urb, - .retire_sync = retire_capture_sync_urb, - }, -}; - -/* - * initialize the substream instance. - */ - -void snd_usb_init_substream(struct snd_usb_stream *as, - int stream, struct audioformat *fp) -{ - struct snd_usb_substream *subs = &as->substream[stream]; - - INIT_LIST_HEAD(&subs->fmt_list); - spin_lock_init(&subs->lock); - - subs->stream = as; - subs->direction = stream; - subs->dev = as->chip->dev; - subs->txfr_quirk = as->chip->txfr_quirk; - subs->ops = audio_urb_ops[stream]; - if (snd_usb_get_speed(subs->dev) >= USB_SPEED_HIGH) - subs->ops.prepare_sync = prepare_capture_sync_urb_hs; - - snd_usb_set_pcm_ops(as->pcm, stream); - - list_add_tail(&fp->list, &subs->fmt_list); - subs->formats |= fp->formats; - subs->endpoint = fp->endpoint; - subs->num_formats++; - subs->fmt_type = fp->fmt_type; -} - -int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_usb_substream *subs = substream->runtime->private_data; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - subs->ops.prepare = prepare_playback_urb; - return 0; - case SNDRV_PCM_TRIGGER_STOP: - return deactivate_urbs(subs, 0, 0); - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - subs->ops.prepare = prepare_nodata_playback_urb; - return 0; - } - - return -EINVAL; -} - -int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_usb_substream *subs = substream->runtime->private_data; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - subs->ops.retire = retire_capture_urb; - return start_urbs(subs, substream->runtime); - case SNDRV_PCM_TRIGGER_STOP: - return deactivate_urbs(subs, 0, 0); - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - subs->ops.retire = retire_paused_capture_urb; - return 0; - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - subs->ops.retire = retire_capture_urb; - return 0; - } - - return -EINVAL; -} - -int snd_usb_substream_prepare(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime) -{ - /* clear urbs (to be sure) */ - deactivate_urbs(subs, 0, 1); - wait_clear_urbs(subs); - - /* for playback, submit the URBs now; otherwise, the first hwptr_done - * updates for all URBs would happen at the same time when starting */ - if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { - subs->ops.prepare = prepare_nodata_playback_urb; - return start_urbs(subs, runtime); - } - - return 0; -} - diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h index 88eb63a636eb..ee2723fb174f 100644 --- a/sound/usb/endpoint.h +++ b/sound/usb/endpoint.h @@ -1,21 +1,29 @@ #ifndef __USBAUDIO_ENDPOINT_H #define __USBAUDIO_ENDPOINT_H -void snd_usb_init_substream(struct snd_usb_stream *as, - int stream, - struct audioformat *fp); +#define SND_USB_ENDPOINT_TYPE_DATA 0 +#define SND_USB_ENDPOINT_TYPE_SYNC 1 -int snd_usb_init_substream_urbs(struct snd_usb_substream *subs, - unsigned int period_bytes, - unsigned int rate, - unsigned int frame_bits); +struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, + struct usb_host_interface *alts, + int ep_num, int direction, int type); -void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force); +int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, + struct snd_pcm_hw_params *hw_params, + struct audioformat *fmt, + struct snd_usb_endpoint *sync_ep); -int snd_usb_substream_prepare(struct snd_usb_substream *subs, - struct snd_pcm_runtime *runtime); +int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, + int force, int can_sleep, int wait); +int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); +int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_free(struct list_head *head); -int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd); -int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd); +int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep); + +void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, + struct snd_usb_endpoint *sender, + const struct urb *urb); #endif /* __USBAUDIO_ENDPOINT_H */ diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index ab23869c01bb..4f40ba823163 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -486,7 +486,7 @@ static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, /* * TLV callback for mixer volume controls */ -static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, +int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *_tlv) { struct usb_mixer_elem_info *cval = kcontrol->private_data; @@ -770,6 +770,26 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, struct snd_kcontrol *kctl) { switch (cval->mixer->chip->usb_id) { + case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ + case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ + if (strcmp(kctl->id.name, "Effect Duration") == 0) { + snd_printk(KERN_INFO + "usb-audio: set quirk for FTU Effect Duration\n"); + cval->min = 0x0000; + cval->max = 0x7f00; + cval->res = 0x0100; + break; + } + if (strcmp(kctl->id.name, "Effect Volume") == 0 || + strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { + snd_printk(KERN_INFO + "usb-audio: set quirks for FTU Effect Feedback/Volume\n"); + cval->min = 0x00; + cval->max = 0x7f; + break; + } + break; + case USB_ID(0x0471, 0x0101): case USB_ID(0x0471, 0x0104): case USB_ID(0x0471, 0x0105): @@ -1121,9 +1141,6 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); - /* get min/max values */ - get_min_max_with_quirks(cval, 0, kctl); - switch (control) { case UAC_FU_MUTE: case UAC_FU_VOLUME: @@ -1155,17 +1172,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, } append_ctl_name(kctl, control == UAC_FU_MUTE ? " Switch" : " Volume"); - if (control == UAC_FU_VOLUME) { - check_mapped_dB(map, cval); - if (cval->dBmin < cval->dBmax || !cval->initialized) { - kctl->tlv.c = mixer_vol_tlv; - kctl->vd[0].access |= - SNDRV_CTL_ELEM_ACCESS_TLV_READ | - SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; - } - } break; - default: if (! len) strlcpy(kctl->id.name, audio_feature_info[control-1].name, @@ -1173,6 +1180,19 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, break; } + /* get min/max values */ + get_min_max_with_quirks(cval, 0, kctl); + + if (control == UAC_FU_VOLUME) { + check_mapped_dB(map, cval); + if (cval->dBmin < cval->dBmax || !cval->initialized) { + kctl->tlv.c = snd_usb_mixer_vol_tlv; + kctl->vd[0].access |= + SNDRV_CTL_ELEM_ACCESS_TLV_READ | + SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; + } + } + range = (cval->max - cval->min) / cval->res; /* Are there devices with volume range more than 255? I use a bit more * to be sure. 384 is a resolution magic number found on Logitech @@ -1388,7 +1408,7 @@ static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, void *r for (pin = 0; pin < input_pins; pin++) { err = parse_audio_unit(state, desc->baSourceID[pin]); if (err < 0) - return err; + continue; err = check_input_term(state, desc->baSourceID[pin], &iterm); if (err < 0) return err; diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index 81b2d8a32fb0..a7f3d45a8acf 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -68,4 +68,7 @@ int snd_usb_mixer_activate(struct usb_mixer_interface *mixer); int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl); +int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, + unsigned int size, unsigned int __user *_tlv); + #endif /* __USBMIXER_H */ diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index f1324c423835..41daaa24c25f 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -288,6 +288,15 @@ static struct usbmix_name_map scratch_live_map[] = { { 0 } /* terminator */ }; +static struct usbmix_name_map ebox44_map[] = { + { 4, NULL }, /* FU */ + { 6, NULL }, /* MU */ + { 7, NULL }, /* FU */ + { 10, NULL }, /* FU */ + { 11, NULL }, /* MU */ + { 0 } +}; + /* "Gamesurround Muse Pocket LT" looks same like "Sound Blaster MP3+" * most importand difference is SU[8], it should be set to "Capture Source" * to make alsamixer and PA working properly. @@ -371,6 +380,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .map = scratch_live_map, .ignore_ctl_error = 1, }, + { + .id = USB_ID(0x200c, 0x1018), + .map = ebox44_map, + }, { 0 } /* terminator */ }; diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index ab125ee0b0f0..41f4b6911920 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -42,6 +42,77 @@ extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl; +/* private_free callback */ +static void usb_mixer_elem_free(struct snd_kcontrol *kctl) +{ + kfree(kctl->private_data); + kctl->private_data = NULL; +} + +/* This function allows for the creation of standard UAC controls. + * See the quirks for M-Audio FTUs or Ebox-44. + * If you don't want to set a TLV callback pass NULL. + * + * Since there doesn't seem to be a devices that needs a multichannel + * version, we keep it mono for simplicity. + */ +static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer, + unsigned int unitid, + unsigned int control, + unsigned int cmask, + int val_type, + const char *name, + snd_kcontrol_tlv_rw_t *tlv_callback) +{ + int err; + struct usb_mixer_elem_info *cval; + struct snd_kcontrol *kctl; + + cval = kzalloc(sizeof(*cval), GFP_KERNEL); + if (!cval) + return -ENOMEM; + + cval->id = unitid; + cval->mixer = mixer; + cval->val_type = val_type; + cval->channels = 1; + cval->control = control; + cval->cmask = cmask; + + /* get_min_max() is called only for integer volumes later, + * so provide a short-cut for booleans */ + cval->min = 0; + cval->max = 1; + cval->res = 0; + cval->dBmin = 0; + cval->dBmax = 0; + + /* Create control */ + kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval); + if (!kctl) { + kfree(cval); + return -ENOMEM; + } + + /* Set name */ + snprintf(kctl->id.name, sizeof(kctl->id.name), name); + kctl->private_free = usb_mixer_elem_free; + + /* set TLV */ + if (tlv_callback) { + kctl->tlv.c = tlv_callback; + kctl->vd[0].access |= + SNDRV_CTL_ELEM_ACCESS_TLV_READ | + SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; + } + /* Add control to mixer */ + err = snd_usb_mixer_add_control(mixer, kctl); + if (err < 0) + return err; + + return 0; +} + /* * Sound Blaster remote control configuration * @@ -495,60 +566,218 @@ static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer, } /* M-Audio FastTrack Ultra quirks */ +/* FTU Effect switch */ +struct snd_ftu_eff_switch_priv_val { + struct usb_mixer_interface *mixer; + int cached_value; + int is_cached; +}; -/* private_free callback */ -static void usb_mixer_elem_free(struct snd_kcontrol *kctl) +static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { - kfree(kctl->private_data); - kctl->private_data = NULL; + static const char *texts[8] = {"Room 1", + "Room 2", + "Room 3", + "Hall 1", + "Hall 2", + "Plate", + "Delay", + "Echo" + }; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 8; + if (uinfo->value.enumerated.item > 7) + uinfo->value.enumerated.item = 7; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + + return 0; } -static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer, - int in, int out, const char *name) +static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) { - struct usb_mixer_elem_info *cval; + struct snd_usb_audio *chip; + struct usb_mixer_interface *mixer; + struct snd_ftu_eff_switch_priv_val *pval; + int err; + unsigned char value[2]; + + const int id = 6; + const int validx = 1; + const int val_len = 2; + + value[0] = 0x00; + value[1] = 0x00; + + pval = (struct snd_ftu_eff_switch_priv_val *) + kctl->private_value; + + if (pval->is_cached) { + ucontrol->value.enumerated.item[0] = pval->cached_value; + return 0; + } + + mixer = (struct usb_mixer_interface *) pval->mixer; + if (snd_BUG_ON(!mixer)) + return -EINVAL; + + chip = (struct snd_usb_audio *) mixer->chip; + if (snd_BUG_ON(!chip)) + return -EINVAL; + + + err = snd_usb_ctl_msg(chip->dev, + usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, + validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), + value, val_len); + if (err < 0) + return err; + + ucontrol->value.enumerated.item[0] = value[0]; + pval->cached_value = value[0]; + pval->is_cached = 1; + + return 0; +} + +static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_usb_audio *chip; + struct snd_ftu_eff_switch_priv_val *pval; + + struct usb_mixer_interface *mixer; + int changed, cur_val, err, new_val; + unsigned char value[2]; + + + const int id = 6; + const int validx = 1; + const int val_len = 2; + + changed = 0; + + pval = (struct snd_ftu_eff_switch_priv_val *) + kctl->private_value; + cur_val = pval->cached_value; + new_val = ucontrol->value.enumerated.item[0]; + + mixer = (struct usb_mixer_interface *) pval->mixer; + if (snd_BUG_ON(!mixer)) + return -EINVAL; + + chip = (struct snd_usb_audio *) mixer->chip; + if (snd_BUG_ON(!chip)) + return -EINVAL; + + if (!pval->is_cached) { + /* Read current value */ + err = snd_usb_ctl_msg(chip->dev, + usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, + validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), + value, val_len); + if (err < 0) + return err; + + cur_val = value[0]; + pval->cached_value = cur_val; + pval->is_cached = 1; + } + /* update value if needed */ + if (cur_val != new_val) { + value[0] = new_val; + value[1] = 0; + err = snd_usb_ctl_msg(chip->dev, + usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), + value, val_len); + if (err < 0) + return err; + + pval->cached_value = new_val; + pval->is_cached = 1; + changed = 1; + } + + return changed; +} + +static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer) +{ + static struct snd_kcontrol_new template = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Effect Program Switch", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ftu_eff_switch_info, + .get = snd_ftu_eff_switch_get, + .put = snd_ftu_eff_switch_put + }; + + int err; struct snd_kcontrol *kctl; + struct snd_ftu_eff_switch_priv_val *pval; - cval = kzalloc(sizeof(*cval), GFP_KERNEL); - if (!cval) + pval = kzalloc(sizeof(*pval), GFP_KERNEL); + if (!pval) return -ENOMEM; - cval->id = 5; - cval->mixer = mixer; - cval->val_type = USB_MIXER_S16; - cval->channels = 1; - cval->control = out + 1; - cval->cmask = 1 << in; + pval->cached_value = 0; + pval->is_cached = 0; + pval->mixer = mixer; - kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval); + template.private_value = (unsigned long) pval; + kctl = snd_ctl_new1(&template, mixer->chip); if (!kctl) { - kfree(cval); + kfree(pval); return -ENOMEM; } - snprintf(kctl->id.name, sizeof(kctl->id.name), name); - kctl->private_free = usb_mixer_elem_free; - return snd_usb_mixer_add_control(mixer, kctl); + err = snd_ctl_add(mixer->chip->card, kctl); + if (err < 0) + return err; + + return 0; } -static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer) +/* Create volume controls for FTU devices*/ +static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer) { char name[64]; + unsigned int control, cmask; int in, out, err; + const unsigned int id = 5; + const int val_type = USB_MIXER_S16; + for (out = 0; out < 8; out++) { + control = out + 1; for (in = 0; in < 8; in++) { + cmask = 1 << in; snprintf(name, sizeof(name), - "AIn%d - Out%d Capture Volume", in + 1, out + 1); - err = snd_maudio_ftu_create_ctl(mixer, in, out, name); + "AIn%d - Out%d Capture Volume", + in + 1, out + 1); + err = snd_create_std_mono_ctl(mixer, id, control, + cmask, val_type, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } - for (in = 8; in < 16; in++) { + cmask = 1 << in; snprintf(name, sizeof(name), - "DIn%d - Out%d Playback Volume", in - 7, out + 1); - err = snd_maudio_ftu_create_ctl(mixer, in, out, name); + "DIn%d - Out%d Playback Volume", + in - 7, out + 1); + err = snd_create_std_mono_ctl(mixer, id, control, + cmask, val_type, name, + &snd_usb_mixer_vol_tlv); if (err < 0) return err; } @@ -557,6 +786,191 @@ static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer) return 0; } +/* This control needs a volume quirk, see mixer.c */ +static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer) +{ + static const char name[] = "Effect Volume"; + const unsigned int id = 6; + const int val_type = USB_MIXER_U8; + const unsigned int control = 2; + const unsigned int cmask = 0; + + return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, + name, snd_usb_mixer_vol_tlv); +} + +/* This control needs a volume quirk, see mixer.c */ +static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer) +{ + static const char name[] = "Effect Duration"; + const unsigned int id = 6; + const int val_type = USB_MIXER_S16; + const unsigned int control = 3; + const unsigned int cmask = 0; + + return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, + name, snd_usb_mixer_vol_tlv); +} + +/* This control needs a volume quirk, see mixer.c */ +static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer) +{ + static const char name[] = "Effect Feedback Volume"; + const unsigned int id = 6; + const int val_type = USB_MIXER_U8; + const unsigned int control = 4; + const unsigned int cmask = 0; + + return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, + name, NULL); +} + +static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer) +{ + unsigned int cmask; + int err, ch; + char name[48]; + + const unsigned int id = 7; + const int val_type = USB_MIXER_S16; + const unsigned int control = 7; + + for (ch = 0; ch < 4; ++ch) { + cmask = 1 << ch; + snprintf(name, sizeof(name), + "Effect Return %d Volume", ch + 1); + err = snd_create_std_mono_ctl(mixer, id, control, + cmask, val_type, name, + snd_usb_mixer_vol_tlv); + if (err < 0) + return err; + } + + return 0; +} + +static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer) +{ + unsigned int cmask; + int err, ch; + char name[48]; + + const unsigned int id = 5; + const int val_type = USB_MIXER_S16; + const unsigned int control = 9; + + for (ch = 0; ch < 8; ++ch) { + cmask = 1 << ch; + snprintf(name, sizeof(name), + "Effect Send AIn%d Volume", ch + 1); + err = snd_create_std_mono_ctl(mixer, id, control, cmask, + val_type, name, + snd_usb_mixer_vol_tlv); + if (err < 0) + return err; + } + for (ch = 8; ch < 16; ++ch) { + cmask = 1 << ch; + snprintf(name, sizeof(name), + "Effect Send DIn%d Volume", ch - 7); + err = snd_create_std_mono_ctl(mixer, id, control, cmask, + val_type, name, + snd_usb_mixer_vol_tlv); + if (err < 0) + return err; + } + return 0; +} + +static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer) +{ + int err; + + err = snd_ftu_create_volume_ctls(mixer); + if (err < 0) + return err; + + err = snd_ftu_create_effect_switch(mixer); + if (err < 0) + return err; + err = snd_ftu_create_effect_volume_ctl(mixer); + if (err < 0) + return err; + + err = snd_ftu_create_effect_duration_ctl(mixer); + if (err < 0) + return err; + + err = snd_ftu_create_effect_feedback_ctl(mixer); + if (err < 0) + return err; + + err = snd_ftu_create_effect_return_ctls(mixer); + if (err < 0) + return err; + + err = snd_ftu_create_effect_send_ctls(mixer); + if (err < 0) + return err; + + return 0; +} + + +/* + * Create mixer for Electrix Ebox-44 + * + * The mixer units from this device are corrupt, and even where they + * are valid they presents mono controls as L and R channels of + * stereo. So we create a good mixer in code. + */ + +static int snd_ebox44_create_mixer(struct usb_mixer_interface *mixer) +{ + int err; + + err = snd_create_std_mono_ctl(mixer, 4, 1, 0x0, USB_MIXER_INV_BOOLEAN, + "Headphone Playback Switch", NULL); + if (err < 0) + return err; + err = snd_create_std_mono_ctl(mixer, 4, 2, 0x1, USB_MIXER_S16, + "Headphone A Mix Playback Volume", NULL); + if (err < 0) + return err; + err = snd_create_std_mono_ctl(mixer, 4, 2, 0x2, USB_MIXER_S16, + "Headphone B Mix Playback Volume", NULL); + if (err < 0) + return err; + + err = snd_create_std_mono_ctl(mixer, 7, 1, 0x0, USB_MIXER_INV_BOOLEAN, + "Output Playback Switch", NULL); + if (err < 0) + return err; + err = snd_create_std_mono_ctl(mixer, 7, 2, 0x1, USB_MIXER_S16, + "Output A Playback Volume", NULL); + if (err < 0) + return err; + err = snd_create_std_mono_ctl(mixer, 7, 2, 0x2, USB_MIXER_S16, + "Output B Playback Volume", NULL); + if (err < 0) + return err; + + err = snd_create_std_mono_ctl(mixer, 10, 1, 0x0, USB_MIXER_INV_BOOLEAN, + "Input Capture Switch", NULL); + if (err < 0) + return err; + err = snd_create_std_mono_ctl(mixer, 10, 2, 0x1, USB_MIXER_S16, + "Input A Capture Volume", NULL); + if (err < 0) + return err; + err = snd_create_std_mono_ctl(mixer, 10, 2, 0x2, USB_MIXER_S16, + "Input B Capture Volume", NULL); + if (err < 0) + return err; + + return 0; +} + void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, unsigned char samplerate_id) { @@ -600,7 +1014,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ - err = snd_maudio_ftu_create_mixer(mixer); + err = snd_ftu_create_mixer(mixer); break; case USB_ID(0x0b05, 0x1739): @@ -619,6 +1033,10 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) snd_nativeinstruments_ta10_mixers, ARRAY_SIZE(snd_nativeinstruments_ta10_mixers)); break; + + case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */ + err = snd_ebox44_create_mixer(mixer); + break; } return err; diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 0eed6115c2d4..24839d932648 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/slab.h> +#include <linux/ratelimit.h> #include <linux/usb.h> #include <linux/usb/audio.h> #include <linux/usb/audio-v2.h> @@ -34,6 +35,9 @@ #include "clock.h" #include "power.h" +#define SUBSTREAM_FLAG_DATA_EP_STARTED 0 +#define SUBSTREAM_FLAG_SYNC_EP_STARTED 1 + /* return the estimated delay based on USB frame counters */ snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs, unsigned int rate) @@ -208,6 +212,84 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, } } +static int start_endpoints(struct snd_usb_substream *subs) +{ + int err; + + if (!subs->data_endpoint) + return -EINVAL; + + if (!test_and_set_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) { + struct snd_usb_endpoint *ep = subs->data_endpoint; + + snd_printdd(KERN_DEBUG "Starting data EP @%p\n", ep); + + ep->data_subs = subs; + err = snd_usb_endpoint_start(ep); + if (err < 0) { + clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags); + return err; + } + } + + if (subs->sync_endpoint && + !test_and_set_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) { + struct snd_usb_endpoint *ep = subs->sync_endpoint; + + snd_printdd(KERN_DEBUG "Starting sync EP @%p\n", ep); + + ep->sync_slave = subs->data_endpoint; + err = snd_usb_endpoint_start(ep); + if (err < 0) { + clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags); + return err; + } + } + + return 0; +} + +static void stop_endpoints(struct snd_usb_substream *subs, + int force, int can_sleep, int wait) +{ + if (test_and_clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) + snd_usb_endpoint_stop(subs->sync_endpoint, + force, can_sleep, wait); + + if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) + snd_usb_endpoint_stop(subs->data_endpoint, + force, can_sleep, wait); +} + +static int activate_endpoints(struct snd_usb_substream *subs) +{ + if (subs->sync_endpoint) { + int ret; + + ret = snd_usb_endpoint_activate(subs->sync_endpoint); + if (ret < 0) + return ret; + } + + return snd_usb_endpoint_activate(subs->data_endpoint); +} + +static int deactivate_endpoints(struct snd_usb_substream *subs) +{ + int reta, retb; + + reta = snd_usb_endpoint_deactivate(subs->sync_endpoint); + retb = snd_usb_endpoint_deactivate(subs->data_endpoint); + + if (reta < 0) + return reta; + + if (retb < 0) + return retb; + + return 0; +} + /* * find a matching format and set up the interface */ @@ -219,7 +301,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) struct usb_interface *iface; unsigned int ep, attr; int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK; - int err; + int err, implicit_fb = 0; iface = usb_ifnum_to_if(dev, fmt->iface); if (WARN_ON(!iface)) @@ -232,40 +314,11 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) if (fmt == subs->cur_audiofmt) return 0; - /* close the old interface */ - if (subs->interface >= 0 && subs->interface != fmt->iface) { - if (usb_set_interface(subs->dev, subs->interface, 0) < 0) { - snd_printk(KERN_ERR "%d:%d:%d: return to setting 0 failed\n", - dev->devnum, fmt->iface, fmt->altsetting); - return -EIO; - } - subs->interface = -1; - subs->altset_idx = 0; - } - - /* set interface */ - if (subs->interface != fmt->iface || subs->altset_idx != fmt->altset_idx) { - if (usb_set_interface(dev, fmt->iface, fmt->altsetting) < 0) { - snd_printk(KERN_ERR "%d:%d:%d: usb_set_interface failed\n", - dev->devnum, fmt->iface, fmt->altsetting); - return -EIO; - } - snd_printdd(KERN_INFO "setting usb interface %d:%d\n", fmt->iface, fmt->altsetting); - subs->interface = fmt->iface; - subs->altset_idx = fmt->altset_idx; - } - - /* create a data pipe */ - ep = fmt->endpoint & USB_ENDPOINT_NUMBER_MASK; - if (is_playback) - subs->datapipe = usb_sndisocpipe(dev, ep); - else - subs->datapipe = usb_rcvisocpipe(dev, ep); - subs->datainterval = fmt->datainterval; - subs->syncpipe = subs->syncinterval = 0; - subs->maxpacksize = fmt->maxpacksize; - subs->syncmaxsize = 0; - subs->fill_max = 0; + subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip, + alts, fmt->endpoint, subs->direction, + SND_USB_ENDPOINT_TYPE_DATA); + if (!subs->data_endpoint) + return -EINVAL; /* we need a sync pipe in async OUT or adaptive IN mode */ /* check the number of EP, since some devices have broken @@ -273,8 +326,25 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) * assume it as adaptive-out or sync-in. */ attr = fmt->ep_attr & USB_ENDPOINT_SYNCTYPE; + + switch (subs->stream->chip->usb_id) { + case USB_ID(0x0763, 0x2080): /* M-Audio FastTrack Ultra */ + case USB_ID(0x0763, 0x2081): + if (is_playback) { + implicit_fb = 1; + ep = 0x81; + iface = usb_ifnum_to_if(dev, 2); + + if (!iface || iface->num_altsetting == 0) + return -EINVAL; + + alts = &iface->altsetting[1]; + goto add_sync_ep; + } + } + if (((is_playback && attr == USB_ENDPOINT_SYNC_ASYNC) || - (! is_playback && attr == USB_ENDPOINT_SYNC_ADAPTIVE)) && + (!is_playback && attr == USB_ENDPOINT_SYNC_ADAPTIVE)) && altsd->bNumEndpoints >= 2) { /* check sync-pipe endpoint */ /* ... and check descriptor size before accessing bSynchAddress @@ -282,7 +352,8 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) the audio fields in the endpoint descriptors */ if ((get_endpoint(alts, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != 0x01 || (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE && - get_endpoint(alts, 1)->bSynchAddress != 0)) { + get_endpoint(alts, 1)->bSynchAddress != 0 && + !implicit_fb)) { snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n", dev->devnum, fmt->iface, fmt->altsetting); return -EINVAL; @@ -290,33 +361,27 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) ep = get_endpoint(alts, 1)->bEndpointAddress; if (get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE && (( is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) || - (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)))) { + (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)) || + ( is_playback && !implicit_fb))) { snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n", dev->devnum, fmt->iface, fmt->altsetting); return -EINVAL; } - ep &= USB_ENDPOINT_NUMBER_MASK; - if (is_playback) - subs->syncpipe = usb_rcvisocpipe(dev, ep); - else - subs->syncpipe = usb_sndisocpipe(dev, ep); - if (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE && - get_endpoint(alts, 1)->bRefresh >= 1 && - get_endpoint(alts, 1)->bRefresh <= 9) - subs->syncinterval = get_endpoint(alts, 1)->bRefresh; - else if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) - subs->syncinterval = 1; - else if (get_endpoint(alts, 1)->bInterval >= 1 && - get_endpoint(alts, 1)->bInterval <= 16) - subs->syncinterval = get_endpoint(alts, 1)->bInterval - 1; - else - subs->syncinterval = 3; - subs->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize); - } - - /* always fill max packet size */ - if (fmt->attributes & UAC_EP_CS_ATTR_FILL_MAX) - subs->fill_max = 1; + + implicit_fb = (get_endpoint(alts, 1)->bmAttributes & USB_ENDPOINT_USAGE_MASK) + == USB_ENDPOINT_USAGE_IMPLICIT_FB; + +add_sync_ep: + subs->sync_endpoint = snd_usb_add_endpoint(subs->stream->chip, + alts, ep, !subs->direction, + implicit_fb ? + SND_USB_ENDPOINT_TYPE_DATA : + SND_USB_ENDPOINT_TYPE_SYNC); + if (!subs->sync_endpoint) + return -EINVAL; + + subs->data_endpoint->sync_master = subs->sync_endpoint; + } if ((err = snd_usb_init_pitch(subs->stream->chip, subs->interface, alts, fmt)) < 0) return err; @@ -390,15 +455,30 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, if (changed) { mutex_lock(&subs->stream->chip->shutdown_mutex); /* format changed */ - snd_usb_release_substream_urbs(subs, 0); - /* influenced: period_bytes, channels, rate, format, */ - ret = snd_usb_init_substream_urbs(subs, params_period_bytes(hw_params), - params_rate(hw_params), - snd_pcm_format_physical_width(params_format(hw_params)) * - params_channels(hw_params)); + stop_endpoints(subs, 0, 0, 0); + deactivate_endpoints(subs); + + ret = activate_endpoints(subs); + if (ret < 0) + goto unlock; + + ret = snd_usb_endpoint_set_params(subs->data_endpoint, hw_params, fmt, + subs->sync_endpoint); + if (ret < 0) + goto unlock; + + if (subs->sync_endpoint) + ret = snd_usb_endpoint_set_params(subs->sync_endpoint, + hw_params, fmt, NULL); +unlock: mutex_unlock(&subs->stream->chip->shutdown_mutex); } + if (ret == 0) { + subs->interface = fmt->iface; + subs->altset_idx = fmt->altset_idx; + } + return ret; } @@ -415,7 +495,7 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->cur_rate = 0; subs->period_bytes = 0; mutex_lock(&subs->stream->chip->shutdown_mutex); - snd_usb_release_substream_urbs(subs, 0); + stop_endpoints(subs, 0, 1, 1); mutex_unlock(&subs->stream->chip->shutdown_mutex); return snd_pcm_lib_free_vmalloc_buffer(substream); } @@ -435,19 +515,28 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) return -ENXIO; } + if (snd_BUG_ON(!subs->data_endpoint)) + return -EIO; + /* some unit conversions in runtime */ - subs->maxframesize = bytes_to_frames(runtime, subs->maxpacksize); - subs->curframesize = bytes_to_frames(runtime, subs->curpacksize); + subs->data_endpoint->maxframesize = + bytes_to_frames(runtime, subs->data_endpoint->maxpacksize); + subs->data_endpoint->curframesize = + bytes_to_frames(runtime, subs->data_endpoint->curpacksize); /* reset the pointer */ subs->hwptr_done = 0; subs->transfer_done = 0; - subs->phase = 0; subs->last_delay = 0; subs->last_frame_number = 0; runtime->delay = 0; - return snd_usb_substream_prepare(subs, runtime); + /* for playback, submit the URBs now; otherwise, the first hwptr_done + * updates for all URBs would happen at the same time when starting */ + if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) + return start_endpoints(subs); + + return 0; } static struct snd_pcm_hardware snd_usb_hardware = @@ -842,16 +931,171 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction) static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction) { + int ret; struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_usb_substream *subs = &as->substream[direction]; - if (!as->chip->shutdown && subs->interface >= 0) { - usb_set_interface(subs->dev, subs->interface, 0); - subs->interface = -1; - } + stop_endpoints(subs, 0, 0, 0); + ret = deactivate_endpoints(subs); subs->pcm_substream = NULL; snd_usb_autosuspend(subs->stream->chip); - return 0; + + return ret; +} + +/* Since a URB can handle only a single linear buffer, we must use double + * buffering when the data to be transferred overflows the buffer boundary. + * To avoid inconsistencies when updating hwptr_done, we use double buffering + * for all URBs. + */ +static void retire_capture_urb(struct snd_usb_substream *subs, + struct urb *urb) +{ + struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; + unsigned int stride, frames, bytes, oldptr; + int i, period_elapsed = 0; + unsigned long flags; + unsigned char *cp; + + stride = runtime->frame_bits >> 3; + + for (i = 0; i < urb->number_of_packets; i++) { + cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset; + if (urb->iso_frame_desc[i].status && printk_ratelimit()) { + snd_printdd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status); + // continue; + } + bytes = urb->iso_frame_desc[i].actual_length; + frames = bytes / stride; + if (!subs->txfr_quirk) + bytes = frames * stride; + if (bytes % (runtime->sample_bits >> 3) != 0) { +#ifdef CONFIG_SND_DEBUG_VERBOSE + int oldbytes = bytes; +#endif + bytes = frames * stride; + snd_printdd(KERN_ERR "Corrected urb data len. %d->%d\n", + oldbytes, bytes); + } + /* update the current pointer */ + spin_lock_irqsave(&subs->lock, flags); + oldptr = subs->hwptr_done; + subs->hwptr_done += bytes; + if (subs->hwptr_done >= runtime->buffer_size * stride) + subs->hwptr_done -= runtime->buffer_size * stride; + frames = (bytes + (oldptr % stride)) / stride; + subs->transfer_done += frames; + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + period_elapsed = 1; + } + spin_unlock_irqrestore(&subs->lock, flags); + /* copy a data chunk */ + if (oldptr + bytes > runtime->buffer_size * stride) { + unsigned int bytes1 = + runtime->buffer_size * stride - oldptr; + memcpy(runtime->dma_area + oldptr, cp, bytes1); + memcpy(runtime->dma_area, cp + bytes1, bytes - bytes1); + } else { + memcpy(runtime->dma_area + oldptr, cp, bytes); + } + } + + if (period_elapsed) + snd_pcm_period_elapsed(subs->pcm_substream); +} + +static void prepare_playback_urb(struct snd_usb_substream *subs, + struct urb *urb) +{ + struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; + struct snd_urb_ctx *ctx = urb->context; + unsigned int counts, frames, bytes; + int i, stride, period_elapsed = 0; + unsigned long flags; + + stride = runtime->frame_bits >> 3; + + frames = 0; + urb->number_of_packets = 0; + spin_lock_irqsave(&subs->lock, flags); + for (i = 0; i < ctx->packets; i++) { + counts = ctx->packet_size[i]; + /* set up descriptor */ + urb->iso_frame_desc[i].offset = frames * stride; + urb->iso_frame_desc[i].length = counts * stride; + frames += counts; + urb->number_of_packets++; + subs->transfer_done += counts; + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + period_elapsed = 1; + if (subs->fmt_type == UAC_FORMAT_TYPE_II) { + if (subs->transfer_done > 0) { + /* FIXME: fill-max mode is not + * supported yet */ + frames -= subs->transfer_done; + counts -= subs->transfer_done; + urb->iso_frame_desc[i].length = + counts * stride; + subs->transfer_done = 0; + } + i++; + if (i < ctx->packets) { + /* add a transfer delimiter */ + urb->iso_frame_desc[i].offset = + frames * stride; + urb->iso_frame_desc[i].length = 0; + urb->number_of_packets++; + } + break; + } + } + if (period_elapsed && + !snd_usb_endpoint_implict_feedback_sink(subs->data_endpoint)) /* finish at the period boundary */ + break; + } + bytes = frames * stride; + if (subs->hwptr_done + bytes > runtime->buffer_size * stride) { + /* err, the transferred area goes over buffer boundary. */ + unsigned int bytes1 = + runtime->buffer_size * stride - subs->hwptr_done; + memcpy(urb->transfer_buffer, + runtime->dma_area + subs->hwptr_done, bytes1); + memcpy(urb->transfer_buffer + bytes1, + runtime->dma_area, bytes - bytes1); + } else { + memcpy(urb->transfer_buffer, + runtime->dma_area + subs->hwptr_done, bytes); + } + subs->hwptr_done += bytes; + if (subs->hwptr_done >= runtime->buffer_size * stride) + subs->hwptr_done -= runtime->buffer_size * stride; + runtime->delay += frames; + spin_unlock_irqrestore(&subs->lock, flags); + urb->transfer_buffer_length = bytes; + if (period_elapsed) + snd_pcm_period_elapsed(subs->pcm_substream); +} + +/* + * process after playback data complete + * - decrease the delay count again + */ +static void retire_playback_urb(struct snd_usb_substream *subs, + struct urb *urb) +{ + unsigned long flags; + struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; + int stride = runtime->frame_bits >> 3; + int processed = urb->transfer_buffer_length / stride; + + spin_lock_irqsave(&subs->lock, flags); + if (processed > runtime->delay) + runtime->delay = 0; + else + runtime->delay -= processed; + spin_unlock_irqrestore(&subs->lock, flags); } static int snd_usb_playback_open(struct snd_pcm_substream *substream) @@ -874,6 +1118,63 @@ static int snd_usb_capture_close(struct snd_pcm_substream *substream) return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_CAPTURE); } +static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct snd_usb_substream *subs = substream->runtime->private_data; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + subs->data_endpoint->prepare_data_urb = prepare_playback_urb; + subs->data_endpoint->retire_data_urb = retire_playback_urb; + subs->running = 1; + return 0; + case SNDRV_PCM_TRIGGER_STOP: + stop_endpoints(subs, 0, 0, 0); + subs->running = 0; + return 0; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + subs->data_endpoint->prepare_data_urb = NULL; + subs->data_endpoint->retire_data_urb = NULL; + subs->running = 0; + return 0; + } + + return -EINVAL; +} + +int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd) +{ + int err; + struct snd_usb_substream *subs = substream->runtime->private_data; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + err = start_endpoints(subs); + if (err < 0) + return err; + + subs->data_endpoint->retire_data_urb = retire_capture_urb; + subs->running = 1; + return 0; + case SNDRV_PCM_TRIGGER_STOP: + stop_endpoints(subs, 0, 0, 0); + subs->running = 0; + return 0; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + subs->data_endpoint->retire_data_urb = NULL; + subs->running = 0; + return 0; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + subs->data_endpoint->retire_data_urb = retire_capture_urb; + subs->running = 1; + return 0; + } + + return -EINVAL; +} + static struct snd_pcm_ops snd_usb_playback_ops = { .open = snd_usb_playback_open, .close = snd_usb_playback_close, diff --git a/sound/usb/proc.c b/sound/usb/proc.c index 961c9a250686..ebc1a5b5b3f1 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -25,6 +25,7 @@ #include "usbaudio.h" #include "helper.h" #include "card.h" +#include "endpoint.h" #include "proc.h" /* convert our full speed USB rate into sampling rate in Hz */ @@ -115,28 +116,33 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s } } +static void proc_dump_ep_status(struct snd_usb_substream *subs, + struct snd_usb_endpoint *ep, + struct snd_info_buffer *buffer) +{ + if (!ep) + return; + snd_iprintf(buffer, " Packet Size = %d\n", ep->curpacksize); + snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n", + snd_usb_get_speed(subs->dev) == USB_SPEED_FULL + ? get_full_speed_hz(ep->freqm) + : get_high_speed_hz(ep->freqm), + ep->freqm >> 16, ep->freqm & 0xffff); + if (ep->freqshift != INT_MIN) { + int res = 16 - ep->freqshift; + snd_iprintf(buffer, " Feedback Format = %d.%d\n", + (ep->syncmaxsize > 3 ? 32 : 24) - res, res); + } +} + static void proc_dump_substream_status(struct snd_usb_substream *subs, struct snd_info_buffer *buffer) { if (subs->running) { - unsigned int i; snd_iprintf(buffer, " Status: Running\n"); snd_iprintf(buffer, " Interface = %d\n", subs->interface); snd_iprintf(buffer, " Altset = %d\n", subs->altset_idx); - snd_iprintf(buffer, " URBs = %d [ ", subs->nurbs); - for (i = 0; i < subs->nurbs; i++) - snd_iprintf(buffer, "%d ", subs->dataurb[i].packets); - snd_iprintf(buffer, "]\n"); - snd_iprintf(buffer, " Packet Size = %d\n", subs->curpacksize); - snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n", - snd_usb_get_speed(subs->dev) == USB_SPEED_FULL - ? get_full_speed_hz(subs->freqm) - : get_high_speed_hz(subs->freqm), - subs->freqm >> 16, subs->freqm & 0xffff); - if (subs->freqshift != INT_MIN) - snd_iprintf(buffer, " Feedback Format = %d.%d\n", - (subs->syncmaxsize > 3 ? 32 : 24) - - (16 - subs->freqshift), - 16 - subs->freqshift); + proc_dump_ep_status(subs, subs->data_endpoint, buffer); + proc_dump_ep_status(subs, subs->sync_endpoint, buffer); } else { snd_iprintf(buffer, " Status: Stop\n"); } diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 5ff8010b2d6f..6b7d7a2b7baa 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -73,6 +73,31 @@ static void snd_usb_audio_pcm_free(struct snd_pcm *pcm) } } +/* + * initialize the substream instance. + */ + +static void snd_usb_init_substream(struct snd_usb_stream *as, + int stream, + struct audioformat *fp) +{ + struct snd_usb_substream *subs = &as->substream[stream]; + + INIT_LIST_HEAD(&subs->fmt_list); + spin_lock_init(&subs->lock); + + subs->stream = as; + subs->direction = stream; + subs->dev = as->chip->dev; + subs->txfr_quirk = as->chip->txfr_quirk; + + snd_usb_set_pcm_ops(as->pcm, stream); + + list_add_tail(&fp->list, &subs->fmt_list); + subs->formats |= fp->formats; + subs->num_formats++; + subs->fmt_type = fp->fmt_type; +} /* * add this endpoint to the chip instance. @@ -94,9 +119,9 @@ int snd_usb_add_audio_stream(struct snd_usb_audio *chip, if (as->fmt_type != fp->fmt_type) continue; subs = &as->substream[stream]; - if (!subs->endpoint) + if (!subs->data_endpoint) continue; - if (subs->endpoint == fp->endpoint) { + if (subs->data_endpoint->ep_num == fp->endpoint) { list_add_tail(&fp->list, &subs->fmt_list); subs->num_formats++; subs->formats |= fp->formats; @@ -109,7 +134,7 @@ int snd_usb_add_audio_stream(struct snd_usb_audio *chip, if (as->fmt_type != fp->fmt_type) continue; subs = &as->substream[stream]; - if (subs->endpoint) + if (subs->data_endpoint) continue; err = snd_pcm_new_stream(as->pcm, stream, 1); if (err < 0) diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 3e2b03577936..b8233ebe250f 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -36,6 +36,7 @@ struct snd_usb_audio { struct snd_card *card; struct usb_interface *pm_intf; u32 usb_id; + struct mutex mutex; struct mutex shutdown_mutex; unsigned int shutdown:1; unsigned int probing:1; @@ -46,6 +47,7 @@ struct snd_usb_audio { int num_suspended_intf; struct list_head pcm_list; /* list of pcm streams */ + struct list_head ep_list; /* list of audio-related endpoints */ int pcm_devs; struct list_head midi_list; /* list of midi interfaces */ |