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author | Kevin | 2014-11-15 09:58:27 +0800 |
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committer | Kevin | 2014-11-15 09:58:27 +0800 |
commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/sound/pci/vx222/vx222.c | |
download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/vx222/vx222.c')
-rw-r--r-- | ANDROID_3.4.5/sound/pci/vx222/vx222.c | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/pci/vx222/vx222.c b/ANDROID_3.4.5/sound/pci/vx222/vx222.c new file mode 100644 index 00000000..6a534bfe --- /dev/null +++ b/ANDROID_3.4.5/sound/pci/vx222/vx222.c @@ -0,0 +1,314 @@ +/* + * Driver for Digigram VX222 V2/Mic PCI soundcards + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program 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; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include "vx222.h" + +#define CARD_NAME "VX222" + +MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); +MODULE_DESCRIPTION("Digigram VX222 V2/Mic"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +static bool mic[SNDRV_CARDS]; /* microphone */ +static int ibl[SNDRV_CARDS]; /* microphone */ + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard."); +module_param_array(mic, bool, NULL, 0444); +MODULE_PARM_DESC(mic, "Enable Microphone."); +module_param_array(ibl, int, NULL, 0444); +MODULE_PARM_DESC(ibl, "Capture IBL size."); + +/* + */ + +enum { + VX_PCI_VX222_OLD, + VX_PCI_VX222_NEW +}; + +static DEFINE_PCI_DEVICE_TABLE(snd_vx222_ids) = { + { 0x10b5, 0x9050, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_OLD, }, /* PLX */ + { 0x10b5, 0x9030, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_NEW, }, /* PLX */ + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, snd_vx222_ids); + + +/* + */ + +static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_akm, -7350, 50, 0); + +static struct snd_vx_hardware vx222_old_hw = { + + .name = "VX222/Old", + .type = VX_TYPE_BOARD, + /* hw specs */ + .num_codecs = 1, + .num_ins = 1, + .num_outs = 1, + .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, + .output_level_db_scale = db_scale_old_vol, +}; + +static struct snd_vx_hardware vx222_v2_hw = { + + .name = "VX222/v2", + .type = VX_TYPE_V2, + /* hw specs */ + .num_codecs = 1, + .num_ins = 1, + .num_outs = 1, + .output_level_max = VX2_AKM_LEVEL_MAX, + .output_level_db_scale = db_scale_akm, +}; + +static struct snd_vx_hardware vx222_mic_hw = { + + .name = "VX222/Mic", + .type = VX_TYPE_MIC, + /* hw specs */ + .num_codecs = 1, + .num_ins = 1, + .num_outs = 1, + .output_level_max = VX2_AKM_LEVEL_MAX, + .output_level_db_scale = db_scale_akm, +}; + + +/* + */ +static int snd_vx222_free(struct vx_core *chip) +{ + struct snd_vx222 *vx = (struct snd_vx222 *)chip; + + if (chip->irq >= 0) + free_irq(chip->irq, (void*)chip); + if (vx->port[0]) + pci_release_regions(vx->pci); + pci_disable_device(vx->pci); + kfree(chip); + return 0; +} + +static int snd_vx222_dev_free(struct snd_device *device) +{ + struct vx_core *chip = device->device_data; + return snd_vx222_free(chip); +} + + +static int __devinit snd_vx222_create(struct snd_card *card, struct pci_dev *pci, + struct snd_vx_hardware *hw, + struct snd_vx222 **rchip) +{ + struct vx_core *chip; + struct snd_vx222 *vx; + int i, err; + static struct snd_device_ops ops = { + .dev_free = snd_vx222_dev_free, + }; + struct snd_vx_ops *vx_ops; + + /* enable PCI device */ + if ((err = pci_enable_device(pci)) < 0) + return err; + pci_set_master(pci); + + vx_ops = hw->type == VX_TYPE_BOARD ? &vx222_old_ops : &vx222_ops; + chip = snd_vx_create(card, hw, vx_ops, + sizeof(struct snd_vx222) - sizeof(struct vx_core)); + if (! chip) { + pci_disable_device(pci); + return -ENOMEM; + } + vx = (struct snd_vx222 *)chip; + vx->pci = pci; + + if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { + snd_vx222_free(chip); + return err; + } + for (i = 0; i < 2; i++) + vx->port[i] = pci_resource_start(pci, i + 1); + + if (request_irq(pci->irq, snd_vx_irq_handler, IRQF_SHARED, + KBUILD_MODNAME, chip)) { + snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); + snd_vx222_free(chip); + return -EBUSY; + } + chip->irq = pci->irq; + + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + snd_vx222_free(chip); + return err; + } + + snd_card_set_dev(card, &pci->dev); + + *rchip = vx; + return 0; +} + + +static int __devinit snd_vx222_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + struct snd_card *card; + struct snd_vx_hardware *hw; + struct snd_vx222 *vx; + int err; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); + if (err < 0) + return err; + + switch ((int)pci_id->driver_data) { + case VX_PCI_VX222_OLD: + hw = &vx222_old_hw; + break; + case VX_PCI_VX222_NEW: + default: + if (mic[dev]) + hw = &vx222_mic_hw; + else + hw = &vx222_v2_hw; + break; + } + if ((err = snd_vx222_create(card, pci, hw, &vx)) < 0) { + snd_card_free(card); + return err; + } + card->private_data = vx; + vx->core.ibl.size = ibl[dev]; + + sprintf(card->longname, "%s at 0x%lx & 0x%lx, irq %i", + card->shortname, vx->port[0], vx->port[1], vx->core.irq); + snd_printdd("%s at 0x%lx & 0x%lx, irq %i\n", + card->shortname, vx->port[0], vx->port[1], vx->core.irq); + +#ifdef SND_VX_FW_LOADER + vx->core.dev = &pci->dev; +#endif + + if ((err = snd_vx_setup_firmware(&vx->core)) < 0) { + snd_card_free(card); + return err; + } + + if ((err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + + pci_set_drvdata(pci, card); + dev++; + return 0; +} + +static void __devexit snd_vx222_remove(struct pci_dev *pci) +{ + snd_card_free(pci_get_drvdata(pci)); + pci_set_drvdata(pci, NULL); +} + +#ifdef CONFIG_PM +static int snd_vx222_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_vx222 *vx = card->private_data; + int err; + + err = snd_vx_suspend(&vx->core, state); + pci_disable_device(pci); + pci_save_state(pci); + pci_set_power_state(pci, pci_choose_state(pci, state)); + return err; +} + +static int snd_vx222_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_vx222 *vx = card->private_data; + + pci_set_power_state(pci, PCI_D0); + pci_restore_state(pci); + if (pci_enable_device(pci) < 0) { + printk(KERN_ERR "vx222: pci_enable_device failed, " + "disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } + pci_set_master(pci); + return snd_vx_resume(&vx->core); +} +#endif + +static struct pci_driver driver = { + .name = KBUILD_MODNAME, + .id_table = snd_vx222_ids, + .probe = snd_vx222_probe, + .remove = __devexit_p(snd_vx222_remove), +#ifdef CONFIG_PM + .suspend = snd_vx222_suspend, + .resume = snd_vx222_resume, +#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) |