From 8cc72361481f00253f1e468ade5795427386d593 Mon Sep 17 00:00:00 2001 From: Wai Yew CHAY Date: Thu, 14 May 2009 08:05:58 +0200 Subject: ALSA: SB X-Fi driver merge MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The Sound Blaster X-Fi driver supports Creative solutions based on 20K1 and 20K2 chipsets. Supported hardware : Creative Sound Blaster X-Fi Titanium Fatal1ty® Champion Series Creative Sound Blaster X-Fi Titanium Fatal1ty Professional Series Creative Sound Blaster X-Fi Titanium Professional Audio Creative Sound Blaster X-Fi Titanium Creative Sound Blaster X-Fi Elite Pro Creative Sound Blaster X-Fi Platinum Creative Sound Blaster X-Fi Fatal1ty Creative Sound Blaster X-Fi XtremeGamer Creative Sound Blaster X-Fi XtremeMusic Current release features: * ALSA PCM Playback * ALSA Record * ALSA Mixer Note: * External I/O modules detection not included. Signed-off-by: Wai Yew CHAY Singed-off-by: Ryan RICHARDS Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 499 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 499 insertions(+) create mode 100644 sound/pci/ctxfi/ctpcm.c (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c new file mode 100644 index 000000000000..73d4fdbbb9f4 --- /dev/null +++ b/sound/pci/ctxfi/ctpcm.c @@ -0,0 +1,499 @@ +/** + * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. + * + * This source file is released under GPL v2 license (no other versions). + * See the COPYING file included in the main directory of this source + * distribution for the license terms and conditions. + * + * @File ctpcm.c + * + * @Brief + * This file contains the definition of the pcm device functions. + * + * @Author Liu Chun + * @Date Apr 2 2008 + * + */ + +#include "ctpcm.h" +#include + +/* Hardware descriptions for playback */ +static struct snd_pcm_hardware ct_pcm_playback_hw = { + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_PAUSE), + .formats = (SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_U16_LE | + SNDRV_PCM_FMTBIT_S24_3LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE), + .rates = (SNDRV_PCM_RATE_CONTINUOUS | + SNDRV_PCM_RATE_8000_192000), + .rate_min = 8000, + .rate_max = 192000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = (64), + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = { + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_PAUSE), + .formats = (SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_U16_LE), + .rates = (SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_32000), + .rate_min = 32000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = (64), + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* Hardware descriptions for capture */ +static struct snd_pcm_hardware ct_pcm_capture_hw = { + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = (SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_U16_LE | + SNDRV_PCM_FMTBIT_S24_3LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE), + .rates = (SNDRV_PCM_RATE_CONTINUOUS | + SNDRV_PCM_RATE_8000_96000), + .rate_min = 8000, + .rate_max = 96000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = (384), + .period_bytes_max = (64*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +static void ct_atc_pcm_interrupt(struct ct_atc_pcm *atc_pcm) +{ + struct ct_atc_pcm *apcm = atc_pcm; + + if (NULL == apcm->substream) + return; + + snd_pcm_period_elapsed(apcm->substream); +} + +static void ct_atc_pcm_free_substream(struct snd_pcm_runtime *runtime) +{ + struct ct_atc_pcm *apcm = runtime->private_data; + struct ct_atc *atc = snd_pcm_substream_chip(apcm->substream); + + atc->pcm_release_resources(atc, apcm); + kfree(apcm); + runtime->private_data = NULL; +} + +/* pcm playback operations */ +static int ct_pcm_playback_open(struct snd_pcm_substream *substream) +{ + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm; + int err; + + apcm = kzalloc(sizeof(*apcm), GFP_KERNEL); + if (NULL == apcm) + return -ENOMEM; + + spin_lock_init(&apcm->timer_lock); + apcm->stop_timer = 0; + apcm->substream = substream; + apcm->interrupt = ct_atc_pcm_interrupt; + runtime->private_data = apcm; + runtime->private_free = ct_atc_pcm_free_substream; + if (IEC958 == substream->pcm->device) { + runtime->hw = ct_spdif_passthru_playback_hw; + atc->spdif_out_passthru(atc, 1); + } else { + runtime->hw = ct_pcm_playback_hw; + if (FRONT == substream->pcm->device) + runtime->hw.channels_max = 8; + } + + err = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) { + kfree(apcm); + return err; + } + err = snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, + 1024, UINT_MAX); + if (err < 0) { + kfree(apcm); + return err; + } + + return 0; +} + +static int ct_pcm_playback_close(struct snd_pcm_substream *substream) +{ + struct ct_atc *atc = snd_pcm_substream_chip(substream); + + /* TODO: Notify mixer inactive. */ + if (IEC958 == substream->pcm->device) + atc->spdif_out_passthru(atc, 0); + + /* The ct_atc_pcm object will be freed by runtime->private_free */ + + return 0; +} + +static int ct_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return snd_pcm_lib_malloc_pages(substream, + params_buffer_bytes(hw_params)); +} + +static int ct_pcm_hw_free(struct snd_pcm_substream *substream) +{ + /* Free snd-allocated pages */ + return snd_pcm_lib_free_pages(substream); +} + +static void ct_pcm_timer_callback(unsigned long data) +{ + struct ct_atc_pcm *apcm = (struct ct_atc_pcm *)data; + struct snd_pcm_substream *substream = apcm->substream; + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int period_size = runtime->period_size; + unsigned int buffer_size = runtime->buffer_size; + unsigned long flags; + unsigned int position = 0, dist = 0, interval = 0; + + position = substream->ops->pointer(substream); + dist = (position + buffer_size - apcm->position) % buffer_size; + if ((dist >= period_size) || + (position/period_size != apcm->position/period_size)) { + apcm->interrupt(apcm); + apcm->position = position; + } + /* Add extra HZ*5/1000 to avoid overrun issue when recording + * at 8kHz in 8-bit format or at 88kHz in 24-bit format. */ + interval = ((period_size - (position % period_size)) + * HZ + (runtime->rate - 1)) / runtime->rate + HZ * 5 / 1000; + spin_lock_irqsave(&apcm->timer_lock, flags); + apcm->timer.expires = jiffies + interval; + if (!apcm->stop_timer) + add_timer(&apcm->timer); + + spin_unlock_irqrestore(&apcm->timer_lock, flags); +} + +static int ct_pcm_timer_prepare(struct ct_atc_pcm *apcm) +{ + unsigned long flags; + + spin_lock_irqsave(&apcm->timer_lock, flags); + if (timer_pending(&apcm->timer)) { + /* The timer has already been started. */ + spin_unlock_irqrestore(&apcm->timer_lock, flags); + return 0; + } + + init_timer(&apcm->timer); + apcm->timer.data = (unsigned long)apcm; + apcm->timer.function = ct_pcm_timer_callback; + spin_unlock_irqrestore(&apcm->timer_lock, flags); + apcm->position = 0; + + return 0; +} + +static int ct_pcm_timer_start(struct ct_atc_pcm *apcm) +{ + struct snd_pcm_runtime *runtime = apcm->substream->runtime; + unsigned long flags; + + spin_lock_irqsave(&apcm->timer_lock, flags); + if (timer_pending(&apcm->timer)) { + /* The timer has already been started. */ + spin_unlock_irqrestore(&apcm->timer_lock, flags); + return 0; + } + + apcm->timer.expires = jiffies + (runtime->period_size * HZ + + (runtime->rate - 1)) / runtime->rate; + apcm->stop_timer = 0; + add_timer(&apcm->timer); + spin_unlock_irqrestore(&apcm->timer_lock, flags); + + return 0; +} + +static int ct_pcm_timer_stop(struct ct_atc_pcm *apcm) +{ + unsigned long flags; + + spin_lock_irqsave(&apcm->timer_lock, flags); + apcm->stop_timer = 1; + del_timer(&apcm->timer); + spin_unlock_irqrestore(&apcm->timer_lock, flags); + + try_to_del_timer_sync(&apcm->timer); + + return 0; +} + +static int ct_pcm_playback_prepare(struct snd_pcm_substream *substream) +{ + int err; + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm = runtime->private_data; + + if (IEC958 == substream->pcm->device) + err = atc->spdif_passthru_playback_prepare(atc, apcm); + else + err = atc->pcm_playback_prepare(atc, apcm); + + if (err < 0) { + printk(KERN_ERR "Preparing pcm playback failed!!!\n"); + return err; + } + + ct_pcm_timer_prepare(apcm); + + return 0; +} + +static int +ct_pcm_playback_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm = runtime->private_data; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + atc->pcm_playback_start(atc, apcm); + ct_pcm_timer_start(apcm); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + ct_pcm_timer_stop(apcm); + atc->pcm_playback_stop(atc, apcm); + break; + default: + break; + } + + return 0; +} + +static snd_pcm_uframes_t +ct_pcm_playback_pointer(struct snd_pcm_substream *substream) +{ + unsigned long position; + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm = runtime->private_data; + + /* Read out playback position */ + position = atc->pcm_playback_position(atc, apcm); + position = bytes_to_frames(runtime, position); + return position; +} + +/* pcm capture operations */ +static int ct_pcm_capture_open(struct snd_pcm_substream *substream) +{ + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm; + int err; + + apcm = kzalloc(sizeof(*apcm), GFP_KERNEL); + if (NULL == apcm) + return -ENOMEM; + + spin_lock_init(&apcm->timer_lock); + apcm->started = 0; + apcm->stop_timer = 0; + apcm->substream = substream; + apcm->interrupt = ct_atc_pcm_interrupt; + runtime->private_data = apcm; + runtime->private_free = ct_atc_pcm_free_substream; + runtime->hw = ct_pcm_capture_hw; + runtime->hw.rate_max = atc->rsr * atc->msr; + + err = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) { + kfree(apcm); + return err; + } + err = snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, + 1024, UINT_MAX); + if (err < 0) { + kfree(apcm); + return err; + } + + return 0; +} + +static int ct_pcm_capture_close(struct snd_pcm_substream *substream) +{ + /* The ct_atc_pcm object will be freed by runtime->private_free */ + /* TODO: Notify mixer inactive. */ + return 0; +} + +static int ct_pcm_capture_prepare(struct snd_pcm_substream *substream) +{ + int err; + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm = runtime->private_data; + + err = atc->pcm_capture_prepare(atc, apcm); + if (err < 0) { + printk(KERN_ERR "Preparing pcm capture failed!!!\n"); + return err; + } + + ct_pcm_timer_prepare(apcm); + + return 0; +} + +static int +ct_pcm_capture_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm = runtime->private_data; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + atc->pcm_capture_start(atc, apcm); + ct_pcm_timer_start(apcm); + break; + case SNDRV_PCM_TRIGGER_STOP: + ct_pcm_timer_stop(apcm); + atc->pcm_capture_stop(atc, apcm); + break; + default: + ct_pcm_timer_stop(apcm); + atc->pcm_capture_stop(atc, apcm); + break; + } + + return 0; +} + +static snd_pcm_uframes_t +ct_pcm_capture_pointer(struct snd_pcm_substream *substream) +{ + unsigned long position; + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct ct_atc_pcm *apcm = runtime->private_data; + + /* Read out playback position */ + position = atc->pcm_capture_position(atc, apcm); + position = bytes_to_frames(runtime, position); + return position; +} + +/* PCM operators for playback */ +static struct snd_pcm_ops ct_pcm_playback_ops = { + .open = ct_pcm_playback_open, + .close = ct_pcm_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = ct_pcm_hw_params, + .hw_free = ct_pcm_hw_free, + .prepare = ct_pcm_playback_prepare, + .trigger = ct_pcm_playback_trigger, + .pointer = ct_pcm_playback_pointer, +}; + +/* PCM operators for capture */ +static struct snd_pcm_ops ct_pcm_capture_ops = { + .open = ct_pcm_capture_open, + .close = ct_pcm_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = ct_pcm_hw_params, + .hw_free = ct_pcm_hw_free, + .prepare = ct_pcm_capture_prepare, + .trigger = ct_pcm_capture_trigger, + .pointer = ct_pcm_capture_pointer, +}; + +/* Create ALSA pcm device */ +int ct_alsa_pcm_create(struct ct_atc *atc, + enum CTALSADEVS device, + const char *device_name) +{ + struct snd_pcm *pcm; + int err; + int playback_count, capture_count; + char name[128]; + + strncpy(name, device_name, sizeof(name)); + playback_count = (IEC958 == device) ? 1 : 8; + capture_count = (FRONT == device) ? 1 : 0; + err = snd_pcm_new(atc->card, name, device, + playback_count, capture_count, &pcm); + if (err < 0) { + printk(KERN_ERR "snd_pcm_new failed!! Err=%d\n", err); + return err; + } + + pcm->private_data = atc; + pcm->info_flags = 0; + pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; + strcpy(pcm->name, device_name); + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &ct_pcm_playback_ops); + + if (FRONT == device) + snd_pcm_set_ops(pcm, + SNDRV_PCM_STREAM_CAPTURE, &ct_pcm_capture_ops); + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_dma_pci_data(atc->pci), 128*1024, 128*1024); + + return 0; +} -- cgit v1.2.2 From b3e0afe61e8271a8d082478752a67e5c279c8f23 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 14 May 2009 15:19:30 +0200 Subject: ALSA: ctxfi - Add prefix to debug prints Added ctxfi: prefix to each debug print. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 73d4fdbbb9f4..a64cb0ed8759 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -284,7 +284,7 @@ static int ct_pcm_playback_prepare(struct snd_pcm_substream *substream) err = atc->pcm_playback_prepare(atc, apcm); if (err < 0) { - printk(KERN_ERR "Preparing pcm playback failed!!!\n"); + printk(KERN_ERR "ctxfi: Preparing pcm playback failed!!!\n"); return err; } @@ -389,7 +389,7 @@ static int ct_pcm_capture_prepare(struct snd_pcm_substream *substream) err = atc->pcm_capture_prepare(atc, apcm); if (err < 0) { - printk(KERN_ERR "Preparing pcm capture failed!!!\n"); + printk(KERN_ERR "ctxfi: Preparing pcm capture failed!!!\n"); return err; } @@ -477,7 +477,7 @@ int ct_alsa_pcm_create(struct ct_atc *atc, err = snd_pcm_new(atc->card, name, device, playback_count, capture_count, &pcm); if (err < 0) { - printk(KERN_ERR "snd_pcm_new failed!! Err=%d\n", err); + printk(KERN_ERR "ctxfi: snd_pcm_new failed!! Err=%d\n", err); return err; } -- cgit v1.2.2 From 8372d4980fbc2e403f0dc5457441c8c6b7c04915 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 2 Jun 2009 14:27:56 +0200 Subject: ALSA: ctxfi - Fix PCM device naming PCM names for surround streams should be also fixed as well as the mixer element names. Also, a bit clean up for PCM name setup. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index a64cb0ed8759..756d8b2776b3 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -469,12 +469,10 @@ int ct_alsa_pcm_create(struct ct_atc *atc, struct snd_pcm *pcm; int err; int playback_count, capture_count; - char name[128]; - strncpy(name, device_name, sizeof(name)); playback_count = (IEC958 == device) ? 1 : 8; capture_count = (FRONT == device) ? 1 : 0; - err = snd_pcm_new(atc->card, name, device, + err = snd_pcm_new(atc->card, "ctxfi", device, playback_count, capture_count, &pcm); if (err < 0) { printk(KERN_ERR "ctxfi: snd_pcm_new failed!! Err=%d\n", err); @@ -484,7 +482,7 @@ int ct_alsa_pcm_create(struct ct_atc *atc, pcm->private_data = atc; pcm->info_flags = 0; pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; - strcpy(pcm->name, device_name); + strlcpy(pcm->name, device_name, sizeof(pcm->name)); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &ct_pcm_playback_ops); -- cgit v1.2.2 From d2b9b96c516d4d61663d92ab4ad4f15ca0134ef2 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 2 Jun 2009 14:39:05 +0200 Subject: ALSA: ctxfi - Fix supported PCM formats The device seems supporting only U8, S16, S24_3LE, S32. Other linear formats result in bad outputs. Also, added the support for 32bit float format, which wasn't listed in the original code. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 756d8b2776b3..26d86dc35e52 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -26,12 +26,10 @@ static struct snd_pcm_hardware ct_pcm_playback_hw = { SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), .formats = (SNDRV_PCM_FMTBIT_U8 | - SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S24_3LE | - SNDRV_PCM_FMTBIT_S24_LE | - SNDRV_PCM_FMTBIT_S32_LE), + SNDRV_PCM_FMTBIT_S32_LE | + SNDRV_PCM_FMTBIT_FLOAT_LE), .rates = (SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000), .rate_min = 8000, @@ -52,8 +50,7 @@ static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = { SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), - .formats = (SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_U16_LE), + .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000), @@ -77,12 +74,10 @@ static struct snd_pcm_hardware ct_pcm_capture_hw = { SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID), .formats = (SNDRV_PCM_FMTBIT_U8 | - SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_S24_3LE | - SNDRV_PCM_FMTBIT_S24_LE | - SNDRV_PCM_FMTBIT_S32_LE), + SNDRV_PCM_FMTBIT_S32_LE | + SNDRV_PCM_FMTBIT_FLOAT_LE), .rates = (SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000), .rate_min = 8000, -- cgit v1.2.2 From c76157d9286ed598c241c212aa5a3c6e5107bd82 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 2 Jun 2009 15:26:19 +0200 Subject: ALSA: ctxfi - Support SG-buffers Use SG-buffers instead of contiguous pages. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 26d86dc35e52..52ddf19d83bb 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -442,6 +442,7 @@ static struct snd_pcm_ops ct_pcm_playback_ops = { .prepare = ct_pcm_playback_prepare, .trigger = ct_pcm_playback_trigger, .pointer = ct_pcm_playback_pointer, + .page = snd_pcm_sgbuf_ops_page, }; /* PCM operators for capture */ @@ -454,6 +455,7 @@ static struct snd_pcm_ops ct_pcm_capture_ops = { .prepare = ct_pcm_capture_prepare, .trigger = ct_pcm_capture_trigger, .pointer = ct_pcm_capture_pointer, + .page = snd_pcm_sgbuf_ops_page, }; /* Create ALSA pcm device */ @@ -485,7 +487,7 @@ int ct_alsa_pcm_create(struct ct_atc *atc, snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &ct_pcm_capture_ops); - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(atc->pci), 128*1024, 128*1024); return 0; -- cgit v1.2.2 From b7bbf876087e0e2c0ba723a8398083c9a9ac1dfd Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 5 Jun 2009 16:11:07 +0200 Subject: ALSA: ctxfi - Use native timer interrupt on emu20k1 emu20k1 has a native timer interrupt based on the audio clock, which is more accurate than the system timer (from the synchronization POV). This patch adds the code to handle this with multiple streams. The system timer is still used on emu20k2, and can be used also for emu20k1 easily by changing USE_SYSTEM_TIMER to 1 in cttimer.c. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 106 +++++------------------------------------------- 1 file changed, 10 insertions(+), 96 deletions(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 52ddf19d83bb..32b742dcd538 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -16,6 +16,7 @@ */ #include "ctpcm.h" +#include "cttimer.h" #include /* Hardware descriptions for playback */ @@ -108,6 +109,7 @@ static void ct_atc_pcm_free_substream(struct snd_pcm_runtime *runtime) struct ct_atc *atc = snd_pcm_substream_chip(apcm->substream); atc->pcm_release_resources(atc, apcm); + ct_timer_instance_free(apcm->timer); kfree(apcm); runtime->private_data = NULL; } @@ -124,8 +126,6 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) if (NULL == apcm) return -ENOMEM; - spin_lock_init(&apcm->timer_lock); - apcm->stop_timer = 0; apcm->substream = substream; apcm->interrupt = ct_atc_pcm_interrupt; runtime->private_data = apcm; @@ -153,6 +153,10 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) return err; } + apcm->timer = ct_timer_instance_new(atc->timer, apcm); + if (!apcm->timer) + return -ENOMEM; + return 0; } @@ -182,89 +186,6 @@ static int ct_pcm_hw_free(struct snd_pcm_substream *substream) return snd_pcm_lib_free_pages(substream); } -static void ct_pcm_timer_callback(unsigned long data) -{ - struct ct_atc_pcm *apcm = (struct ct_atc_pcm *)data; - struct snd_pcm_substream *substream = apcm->substream; - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned int period_size = runtime->period_size; - unsigned int buffer_size = runtime->buffer_size; - unsigned long flags; - unsigned int position = 0, dist = 0, interval = 0; - - position = substream->ops->pointer(substream); - dist = (position + buffer_size - apcm->position) % buffer_size; - if ((dist >= period_size) || - (position/period_size != apcm->position/period_size)) { - apcm->interrupt(apcm); - apcm->position = position; - } - /* Add extra HZ*5/1000 to avoid overrun issue when recording - * at 8kHz in 8-bit format or at 88kHz in 24-bit format. */ - interval = ((period_size - (position % period_size)) - * HZ + (runtime->rate - 1)) / runtime->rate + HZ * 5 / 1000; - spin_lock_irqsave(&apcm->timer_lock, flags); - apcm->timer.expires = jiffies + interval; - if (!apcm->stop_timer) - add_timer(&apcm->timer); - - spin_unlock_irqrestore(&apcm->timer_lock, flags); -} - -static int ct_pcm_timer_prepare(struct ct_atc_pcm *apcm) -{ - unsigned long flags; - - spin_lock_irqsave(&apcm->timer_lock, flags); - if (timer_pending(&apcm->timer)) { - /* The timer has already been started. */ - spin_unlock_irqrestore(&apcm->timer_lock, flags); - return 0; - } - - init_timer(&apcm->timer); - apcm->timer.data = (unsigned long)apcm; - apcm->timer.function = ct_pcm_timer_callback; - spin_unlock_irqrestore(&apcm->timer_lock, flags); - apcm->position = 0; - - return 0; -} - -static int ct_pcm_timer_start(struct ct_atc_pcm *apcm) -{ - struct snd_pcm_runtime *runtime = apcm->substream->runtime; - unsigned long flags; - - spin_lock_irqsave(&apcm->timer_lock, flags); - if (timer_pending(&apcm->timer)) { - /* The timer has already been started. */ - spin_unlock_irqrestore(&apcm->timer_lock, flags); - return 0; - } - - apcm->timer.expires = jiffies + (runtime->period_size * HZ + - (runtime->rate - 1)) / runtime->rate; - apcm->stop_timer = 0; - add_timer(&apcm->timer); - spin_unlock_irqrestore(&apcm->timer_lock, flags); - - return 0; -} - -static int ct_pcm_timer_stop(struct ct_atc_pcm *apcm) -{ - unsigned long flags; - - spin_lock_irqsave(&apcm->timer_lock, flags); - apcm->stop_timer = 1; - del_timer(&apcm->timer); - spin_unlock_irqrestore(&apcm->timer_lock, flags); - - try_to_del_timer_sync(&apcm->timer); - - return 0; -} static int ct_pcm_playback_prepare(struct snd_pcm_substream *substream) { @@ -283,8 +204,6 @@ static int ct_pcm_playback_prepare(struct snd_pcm_substream *substream) return err; } - ct_pcm_timer_prepare(apcm); - return 0; } @@ -300,12 +219,10 @@ ct_pcm_playback_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: atc->pcm_playback_start(atc, apcm); - ct_pcm_timer_start(apcm); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - ct_pcm_timer_stop(apcm); atc->pcm_playback_stop(atc, apcm); break; default: @@ -341,9 +258,7 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) if (NULL == apcm) return -ENOMEM; - spin_lock_init(&apcm->timer_lock); apcm->started = 0; - apcm->stop_timer = 0; apcm->substream = substream; apcm->interrupt = ct_atc_pcm_interrupt; runtime->private_data = apcm; @@ -365,6 +280,10 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) return err; } + apcm->timer = ct_timer_instance_new(atc->timer, apcm); + if (!apcm->timer) + return -ENOMEM; + return 0; } @@ -388,8 +307,6 @@ static int ct_pcm_capture_prepare(struct snd_pcm_substream *substream) return err; } - ct_pcm_timer_prepare(apcm); - return 0; } @@ -403,14 +320,11 @@ ct_pcm_capture_trigger(struct snd_pcm_substream *substream, int cmd) switch (cmd) { case SNDRV_PCM_TRIGGER_START: atc->pcm_capture_start(atc, apcm); - ct_pcm_timer_start(apcm); break; case SNDRV_PCM_TRIGGER_STOP: - ct_pcm_timer_stop(apcm); atc->pcm_capture_stop(atc, apcm); break; default: - ct_pcm_timer_stop(apcm); atc->pcm_capture_stop(atc, apcm); break; } -- cgit v1.2.2 From 775ffa1d3e5a550dd2c9d947d773021c61531b36 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 5 Jun 2009 16:12:16 +0200 Subject: ALSA: ctxfi - Set periods_min to 2 Set 2 to minimal periods of playback pcm setups, too. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 32b742dcd538..a0bd31c6090d 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -40,7 +40,7 @@ static struct snd_pcm_hardware ct_pcm_playback_hw = { .buffer_bytes_max = (128*1024), .period_bytes_min = (64), .period_bytes_max = (128*1024), - .periods_min = 1, + .periods_min = 2, .periods_max = 1024, .fifo_size = 0, }; @@ -62,7 +62,7 @@ static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = { .buffer_bytes_max = (128*1024), .period_bytes_min = (64), .period_bytes_max = (128*1024), - .periods_min = 1, + .periods_min = 2, .periods_max = 1024, .fifo_size = 0, }; -- cgit v1.2.2 From af8500bbbd18438495d2f91ad07bda49fff3b770 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 8 Jun 2009 15:07:46 +0200 Subject: ALSA: ctxfi - Fix possible buffer pointer overrun Fix possible buffer pointer overruns. Back to zero when it's equal or over the buffer size. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index a0bd31c6090d..870fa170f046 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -243,6 +243,8 @@ ct_pcm_playback_pointer(struct snd_pcm_substream *substream) /* Read out playback position */ position = atc->pcm_playback_position(atc, apcm); position = bytes_to_frames(runtime, position); + if (position >= runtime->buffer_size) + position = 0; return position; } @@ -343,6 +345,8 @@ ct_pcm_capture_pointer(struct snd_pcm_substream *substream) /* Read out playback position */ position = atc->pcm_capture_position(atc, apcm); position = bytes_to_frames(runtime, position); + if (position >= runtime->buffer_size) + position = 0; return position; } -- cgit v1.2.2 From a5990dc5b96f537618b0f057c8723a6a0b0cdc74 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 9 Jun 2009 08:19:02 +0200 Subject: ALSA: ctxfi - Clear PCM resources at hw_params and hw_free Currently the PCM resources are allocated only once and ever in prepare callback, assuming that the PCM parameters are never changed. But it's not true. This patch adds the call of atc->pcm_release_resources() at hw_params and hw_free callbacks to assure that the PCM setup is done correctly for each h/w parameter changes. Signed-off-by: Takashi Iwai --- sound/pci/ctxfi/ctpcm.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'sound/pci/ctxfi/ctpcm.c') diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 870fa170f046..9e5c0c4da726 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -176,12 +176,26 @@ static int ct_pcm_playback_close(struct snd_pcm_substream *substream) static int ct_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { - return snd_pcm_lib_malloc_pages(substream, + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct ct_atc_pcm *apcm = substream->runtime->private_data; + int err; + + err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + if (err < 0) + return err; + /* clear previous resources */ + atc->pcm_release_resources(atc, apcm); + return err; } static int ct_pcm_hw_free(struct snd_pcm_substream *substream) { + struct ct_atc *atc = snd_pcm_substream_chip(substream); + struct ct_atc_pcm *apcm = substream->runtime->private_data; + + /* clear previous resources */ + atc->pcm_release_resources(atc, apcm); /* Free snd-allocated pages */ return snd_pcm_lib_free_pages(substream); } -- cgit v1.2.2