diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/aw2/aw2-alsa.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/aw2/aw2-alsa.c | 792 |
1 files changed, 0 insertions, 792 deletions
diff --git a/ANDROID_3.4.5/sound/pci/aw2/aw2-alsa.c b/ANDROID_3.4.5/sound/pci/aw2/aw2-alsa.c deleted file mode 100644 index 1c523193..00000000 --- a/ANDROID_3.4.5/sound/pci/aw2/aw2-alsa.c +++ /dev/null @@ -1,792 +0,0 @@ -/***************************************************************************** - * - * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and - * Jean-Christian Hassler <jhassler@free.fr> - * - * This file is part of the Audiowerk2 ALSA driver - * - * The Audiowerk2 ALSA driver is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2. - * - * The Audiowerk2 ALSA driver is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Audiowerk2 ALSA driver; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - * - *****************************************************************************/ -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/control.h> - -#include "saa7146.h" -#include "aw2-saa7146.h" - -MODULE_AUTHOR("Cedric Bregardis <cedric.bregardis@free.fr>, " - "Jean-Christian Hassler <jhassler@free.fr>"); -MODULE_DESCRIPTION("Emagic Audiowerk 2 sound driver"); -MODULE_LICENSE("GPL"); - -/********************************* - * DEFINES - ********************************/ -#define CTL_ROUTE_ANALOG 0 -#define CTL_ROUTE_DIGITAL 1 - -/********************************* - * TYPEDEFS - ********************************/ - /* hardware definition */ -static struct snd_pcm_hardware snd_aw2_playback_hw = { - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_44100, - .rate_min = 44100, - .rate_max = 44100, - .channels_min = 2, - .channels_max = 4, - .buffer_bytes_max = 32768, - .period_bytes_min = 4096, - .period_bytes_max = 32768, - .periods_min = 1, - .periods_max = 1024, -}; - -static struct snd_pcm_hardware snd_aw2_capture_hw = { - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_44100, - .rate_min = 44100, - .rate_max = 44100, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 32768, - .period_bytes_min = 4096, - .period_bytes_max = 32768, - .periods_min = 1, - .periods_max = 1024, -}; - -struct aw2_pcm_device { - struct snd_pcm *pcm; - unsigned int stream_number; - struct aw2 *chip; -}; - -struct aw2 { - struct snd_aw2_saa7146 saa7146; - - struct pci_dev *pci; - int irq; - spinlock_t reg_lock; - struct mutex mtx; - - unsigned long iobase_phys; - void __iomem *iobase_virt; - - struct snd_card *card; - - struct aw2_pcm_device device_playback[NB_STREAM_PLAYBACK]; - struct aw2_pcm_device device_capture[NB_STREAM_CAPTURE]; -}; - -/********************************* - * 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); -static int __devinit snd_aw2_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id); -static void __devexit snd_aw2_remove(struct pci_dev *pci); -static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params); -static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); -static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, - int cmd); -static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, - int cmd); -static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream - *substream); -static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream - *substream); -static int __devinit snd_aw2_new_pcm(struct aw2 *chip); - -static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo); -static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value - *ucontrol); -static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value - *ucontrol); - -/********************************* - * VARIABLES - ********************************/ -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); - -static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = { - {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, - 0, 0, 0}, - {0} -}; - -MODULE_DEVICE_TABLE(pci, snd_aw2_ids); - -/* pci_driver definition */ -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_aw2_ids, - .probe = snd_aw2_probe, - .remove = __devexit_p(snd_aw2_remove), -}; - -/* operators for playback PCM alsa interface */ -static struct snd_pcm_ops snd_aw2_playback_ops = { - .open = snd_aw2_pcm_playback_open, - .close = snd_aw2_pcm_playback_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_aw2_pcm_hw_params, - .hw_free = snd_aw2_pcm_hw_free, - .prepare = snd_aw2_pcm_prepare_playback, - .trigger = snd_aw2_pcm_trigger_playback, - .pointer = snd_aw2_pcm_pointer_playback, -}; - -/* operators for capture PCM alsa interface */ -static struct snd_pcm_ops snd_aw2_capture_ops = { - .open = snd_aw2_pcm_capture_open, - .close = snd_aw2_pcm_capture_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_aw2_pcm_hw_params, - .hw_free = snd_aw2_pcm_hw_free, - .prepare = snd_aw2_pcm_prepare_capture, - .trigger = snd_aw2_pcm_trigger_capture, - .pointer = snd_aw2_pcm_pointer_capture, -}; - -static struct snd_kcontrol_new aw2_control __devinitdata = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Capture Route", - .index = 0, - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, - .private_value = 0xffff, - .info = snd_aw2_control_switch_capture_info, - .get = snd_aw2_control_switch_capture_get, - .put = snd_aw2_control_switch_capture_put -}; - -/********************************* - * 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) -{ - struct aw2 *chip = device->device_data; - - /* Free hardware */ - snd_aw2_saa7146_free(&chip->saa7146); - - /* release the irq */ - if (chip->irq >= 0) - free_irq(chip->irq, (void *)chip); - /* release the i/o ports & memory */ - if (chip->iobase_virt) - iounmap(chip->iobase_virt); - - pci_release_regions(chip->pci); - /* disable the PCI entry */ - pci_disable_device(chip->pci); - /* release the data */ - kfree(chip); - - return 0; -} - -/* chip-specific constructor */ -static int __devinit snd_aw2_create(struct snd_card *card, - struct pci_dev *pci, struct aw2 **rchip) -{ - struct aw2 *chip; - int err; - static struct snd_device_ops ops = { - .dev_free = snd_aw2_dev_free, - }; - - *rchip = NULL; - - /* initialize the PCI entry */ - err = pci_enable_device(pci); - if (err < 0) - return err; - pci_set_master(pci); - - /* check PCI availability (32bit DMA) */ - if ((pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) || - (pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0)) { - printk(KERN_ERR "aw2: Impossible to set 32bit mask DMA\n"); - pci_disable_device(pci); - return -ENXIO; - } - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - pci_disable_device(pci); - return -ENOMEM; - } - - /* initialize the stuff */ - chip->card = card; - chip->pci = pci; - chip->irq = -1; - - /* (1) PCI resource allocation */ - err = pci_request_regions(pci, "Audiowerk2"); - if (err < 0) { - pci_disable_device(pci); - kfree(chip); - return err; - } - chip->iobase_phys = pci_resource_start(pci, 0); - chip->iobase_virt = - ioremap_nocache(chip->iobase_phys, - pci_resource_len(pci, 0)); - - if (chip->iobase_virt == NULL) { - printk(KERN_ERR "aw2: unable to remap memory region"); - pci_release_regions(pci); - pci_disable_device(pci); - kfree(chip); - return -ENOMEM; - } - - /* (2) initialization of the chip hardware */ - snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); - - if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, - IRQF_SHARED, KBUILD_MODNAME, chip)) { - printk(KERN_ERR "aw2: Cannot grab irq %d\n", pci->irq); - - iounmap(chip->iobase_virt); - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - kfree(chip); - return -EBUSY; - } - chip->irq = pci->irq; - - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); - if (err < 0) { - free_irq(chip->irq, (void *)chip); - iounmap(chip->iobase_virt); - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - kfree(chip); - return err; - } - - snd_card_set_dev(card, &pci->dev); - *rchip = chip; - - printk(KERN_INFO - "Audiowerk 2 sound card (saa7146 chipset) detected and " - "managed\n"); - return 0; -} - -/* constructor */ -static int __devinit snd_aw2_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) -{ - static int dev; - struct snd_card *card; - struct aw2 *chip; - int err; - - /* (1) Continue if device is not enabled, else inc dev */ - if (dev >= SNDRV_CARDS) - return -ENODEV; - if (!enable[dev]) { - dev++; - return -ENOENT; - } - - /* (2) Create card instance */ - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - return err; - - /* (3) Create main component */ - err = snd_aw2_create(card, pci, &chip); - if (err < 0) { - snd_card_free(card); - return err; - } - - /* initialize mutex */ - mutex_init(&chip->mtx); - /* init spinlock */ - spin_lock_init(&chip->reg_lock); - /* (4) Define driver ID and name string */ - strcpy(card->driver, "aw2"); - strcpy(card->shortname, "Audiowerk2"); - - sprintf(card->longname, "%s with SAA7146 irq %i", - card->shortname, chip->irq); - - /* (5) Create other components */ - snd_aw2_new_pcm(chip); - - /* (6) Register card instance */ - err = snd_card_register(card); - if (err < 0) { - snd_card_free(card); - return err; - } - - /* (7) Set PCI driver data */ - pci_set_drvdata(pci, card); - - dev++; - return 0; -} - -/* destructor */ -static void __devexit snd_aw2_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -/* open callback */ -static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - - snd_printdd(KERN_DEBUG "aw2: Playback_open\n"); - runtime->hw = snd_aw2_playback_hw; - return 0; -} - -/* close callback */ -static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) -{ - return 0; - -} - -static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - - snd_printdd(KERN_DEBUG "aw2: Capture_open\n"); - runtime->hw = snd_aw2_capture_hw; - return 0; -} - -/* close callback */ -static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) -{ - /* TODO: something to do ? */ - return 0; -} - - /* hw_params callback */ -static int snd_aw2_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)); -} - -/* hw_free callback */ -static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -/* prepare callback for playback */ -static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) -{ - struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); - struct aw2 *chip = pcm_device->chip; - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long period_size, buffer_size; - - mutex_lock(&chip->mtx); - - period_size = snd_pcm_lib_period_bytes(substream); - buffer_size = snd_pcm_lib_buffer_bytes(substream); - - snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, - pcm_device->stream_number, - runtime->dma_addr, period_size, - buffer_size); - - /* Define Interrupt callback */ - snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, - (snd_aw2_saa7146_it_cb) - snd_pcm_period_elapsed, - (void *)substream); - - mutex_unlock(&chip->mtx); - - return 0; -} - -/* prepare callback for capture */ -static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) -{ - struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); - struct aw2 *chip = pcm_device->chip; - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long period_size, buffer_size; - - mutex_lock(&chip->mtx); - - period_size = snd_pcm_lib_period_bytes(substream); - buffer_size = snd_pcm_lib_buffer_bytes(substream); - - snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, - pcm_device->stream_number, - runtime->dma_addr, period_size, - buffer_size); - - /* Define Interrupt callback */ - snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, - (snd_aw2_saa7146_it_cb) - snd_pcm_period_elapsed, - (void *)substream); - - mutex_unlock(&chip->mtx); - - return 0; -} - -/* playback trigger callback */ -static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, - int cmd) -{ - int status = 0; - struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); - struct aw2 *chip = pcm_device->chip; - spin_lock(&chip->reg_lock); - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, - pcm_device-> - stream_number); - break; - case SNDRV_PCM_TRIGGER_STOP: - snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, - pcm_device-> - stream_number); - break; - default: - status = -EINVAL; - } - spin_unlock(&chip->reg_lock); - return status; -} - -/* capture trigger callback */ -static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, - int cmd) -{ - int status = 0; - struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); - struct aw2 *chip = pcm_device->chip; - spin_lock(&chip->reg_lock); - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, - pcm_device-> - stream_number); - break; - case SNDRV_PCM_TRIGGER_STOP: - snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, - pcm_device-> - stream_number); - break; - default: - status = -EINVAL; - } - spin_unlock(&chip->reg_lock); - return status; -} - -/* playback pointer callback */ -static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream - *substream) -{ - struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); - struct aw2 *chip = pcm_device->chip; - unsigned int current_ptr; - - /* get the current hardware pointer */ - struct snd_pcm_runtime *runtime = substream->runtime; - current_ptr = - snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, - pcm_device->stream_number, - runtime->dma_area, - runtime->buffer_size); - - return bytes_to_frames(substream->runtime, current_ptr); -} - -/* capture pointer callback */ -static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream - *substream) -{ - struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); - struct aw2 *chip = pcm_device->chip; - unsigned int current_ptr; - - /* get the current hardware pointer */ - struct snd_pcm_runtime *runtime = substream->runtime; - current_ptr = - snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, - pcm_device->stream_number, - runtime->dma_area, - runtime->buffer_size); - - return bytes_to_frames(substream->runtime, current_ptr); -} - -/* create a pcm device */ -static int __devinit snd_aw2_new_pcm(struct aw2 *chip) -{ - struct snd_pcm *pcm_playback_ana; - struct snd_pcm *pcm_playback_num; - struct snd_pcm *pcm_capture; - struct aw2_pcm_device *pcm_device; - int err = 0; - - /* Create new Alsa PCM device */ - - err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, - &pcm_playback_ana); - if (err < 0) { - printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); - return err; - } - - /* Creation ok */ - pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; - - /* Set PCM device name */ - strcpy(pcm_playback_ana->name, "Analog playback"); - /* Associate private data to PCM device */ - pcm_playback_ana->private_data = pcm_device; - /* set operators of PCM device */ - snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, - &snd_aw2_playback_ops); - /* store PCM device */ - pcm_device->pcm = pcm_playback_ana; - /* give base chip pointer to our internal pcm device - structure */ - pcm_device->chip = chip; - /* Give stream number to PCM device */ - pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; - - /* pre-allocation of buffers */ - /* Preallocate continuous pages. */ - err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_ana, - SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data - (chip->pci), - 64 * 1024, 64 * 1024); - if (err) - printk(KERN_ERR "aw2: snd_pcm_lib_preallocate_pages_for_all " - "error (0x%X)\n", err); - - err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, - &pcm_playback_num); - - if (err < 0) { - printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); - return err; - } - /* Creation ok */ - pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; - - /* Set PCM device name */ - strcpy(pcm_playback_num->name, "Digital playback"); - /* Associate private data to PCM device */ - pcm_playback_num->private_data = pcm_device; - /* set operators of PCM device */ - snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, - &snd_aw2_playback_ops); - /* store PCM device */ - pcm_device->pcm = pcm_playback_num; - /* give base chip pointer to our internal pcm device - structure */ - pcm_device->chip = chip; - /* Give stream number to PCM device */ - pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; - - /* pre-allocation of buffers */ - /* Preallocate continuous pages. */ - err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_num, - SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data - (chip->pci), - 64 * 1024, 64 * 1024); - if (err) - printk(KERN_ERR - "aw2: snd_pcm_lib_preallocate_pages_for_all error " - "(0x%X)\n", err); - - - - err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, - &pcm_capture); - - if (err < 0) { - printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); - return err; - } - - /* Creation ok */ - pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; - - /* Set PCM device name */ - strcpy(pcm_capture->name, "Capture"); - /* Associate private data to PCM device */ - pcm_capture->private_data = pcm_device; - /* set operators of PCM device */ - snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, - &snd_aw2_capture_ops); - /* store PCM device */ - pcm_device->pcm = pcm_capture; - /* give base chip pointer to our internal pcm device - structure */ - pcm_device->chip = chip; - /* Give stream number to PCM device */ - pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; - - /* pre-allocation of buffers */ - /* Preallocate continuous pages. */ - err = snd_pcm_lib_preallocate_pages_for_all(pcm_capture, - SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data - (chip->pci), - 64 * 1024, 64 * 1024); - if (err) - printk(KERN_ERR - "aw2: snd_pcm_lib_preallocate_pages_for_all error " - "(0x%X)\n", err); - - - /* Create control */ - err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); - if (err < 0) { - printk(KERN_ERR "aw2: snd_ctl_add error (0x%X)\n", err); - return err; - } - - return 0; -} - -static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - static char *texts[2] = { - "Analog", "Digital" - }; - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 1; - uinfo->value.enumerated.items = 2; - if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) { - uinfo->value.enumerated.item = - uinfo->value.enumerated.items - 1; - } - strcpy(uinfo->value.enumerated.name, - texts[uinfo->value.enumerated.item]); - return 0; -} - -static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value - *ucontrol) -{ - struct aw2 *chip = snd_kcontrol_chip(kcontrol); - if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) - ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; - else - ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; - return 0; -} - -static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value - *ucontrol) -{ - struct aw2 *chip = snd_kcontrol_chip(kcontrol); - int changed = 0; - int is_disgital = - snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); - - if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) - && !is_disgital) - || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) - && is_disgital)) { - snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); - changed = 1; - } - return changed; -} |