diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/usb/6fire/chip.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/usb/6fire/chip.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/ANDROID_3.4.5/sound/usb/6fire/chip.c b/ANDROID_3.4.5/sound/usb/6fire/chip.c deleted file mode 100644 index fc8cc823..00000000 --- a/ANDROID_3.4.5/sound/usb/6fire/chip.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Linux driver for TerraTec DMX 6Fire USB - * - * Main routines and module definitions. - * - * Author: Torsten Schenk <torsten.schenk@zoho.com> - * Created: Jan 01, 2011 - * Copyright: (C) Torsten Schenk - * - * 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. - */ - -#include "chip.h" -#include "firmware.h" -#include "pcm.h" -#include "control.h" -#include "comm.h" -#include "midi.h" - -#include <linux/moduleparam.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/gfp.h> -#include <sound/initval.h> - -MODULE_AUTHOR("Torsten Schenk <torsten.schenk@zoho.com>"); -MODULE_DESCRIPTION("TerraTec DMX 6Fire USB audio driver"); -MODULE_LICENSE("GPL v2"); -MODULE_SUPPORTED_DEVICE("{{TerraTec, DMX 6Fire USB}}"); - -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for card */ -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable card */ -static struct sfire_chip *chips[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; -static struct usb_device *devices[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for the 6fire sound device"); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for the 6fire sound device."); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable the 6fire sound device."); - -static DEFINE_MUTEX(register_mutex); - -static void usb6fire_chip_abort(struct sfire_chip *chip) -{ - if (chip) { - if (chip->pcm) - usb6fire_pcm_abort(chip); - if (chip->midi) - usb6fire_midi_abort(chip); - if (chip->comm) - usb6fire_comm_abort(chip); - if (chip->control) - usb6fire_control_abort(chip); - if (chip->card) { - snd_card_disconnect(chip->card); - snd_card_free_when_closed(chip->card); - chip->card = NULL; - } - } -} - -static void usb6fire_chip_destroy(struct sfire_chip *chip) -{ - if (chip) { - if (chip->pcm) - usb6fire_pcm_destroy(chip); - if (chip->midi) - usb6fire_midi_destroy(chip); - if (chip->comm) - usb6fire_comm_destroy(chip); - if (chip->control) - usb6fire_control_destroy(chip); - if (chip->card) - snd_card_free(chip->card); - } -} - -static int __devinit usb6fire_chip_probe(struct usb_interface *intf, - const struct usb_device_id *usb_id) -{ - int ret; - int i; - struct sfire_chip *chip = NULL; - struct usb_device *device = interface_to_usbdev(intf); - int regidx = -1; /* index in module parameter array */ - struct snd_card *card = NULL; - - /* look if we already serve this card and return if so */ - mutex_lock(®ister_mutex); - for (i = 0; i < SNDRV_CARDS; i++) { - if (devices[i] == device) { - if (chips[i]) - chips[i]->intf_count++; - usb_set_intfdata(intf, chips[i]); - mutex_unlock(®ister_mutex); - return 0; - } else if (regidx < 0) - regidx = i; - } - if (regidx < 0) { - mutex_unlock(®ister_mutex); - snd_printk(KERN_ERR PREFIX "too many cards registered.\n"); - return -ENODEV; - } - devices[regidx] = device; - mutex_unlock(®ister_mutex); - - /* check, if firmware is present on device, upload it if not */ - ret = usb6fire_fw_init(intf); - if (ret < 0) - return ret; - else if (ret == FW_NOT_READY) /* firmware update performed */ - return 0; - - /* if we are here, card can be registered in alsa. */ - if (usb_set_interface(device, 0, 0) != 0) { - snd_printk(KERN_ERR PREFIX "can't set first interface.\n"); - return -EIO; - } - ret = snd_card_create(index[regidx], id[regidx], THIS_MODULE, - sizeof(struct sfire_chip), &card); - if (ret < 0) { - snd_printk(KERN_ERR PREFIX "cannot create alsa card.\n"); - return ret; - } - strcpy(card->driver, "6FireUSB"); - strcpy(card->shortname, "TerraTec DMX6FireUSB"); - sprintf(card->longname, "%s at %d:%d", card->shortname, - device->bus->busnum, device->devnum); - snd_card_set_dev(card, &intf->dev); - - chip = card->private_data; - chips[regidx] = chip; - chip->dev = device; - chip->regidx = regidx; - chip->intf_count = 1; - chip->card = card; - - ret = usb6fire_comm_init(chip); - if (ret < 0) { - usb6fire_chip_destroy(chip); - return ret; - } - - ret = usb6fire_midi_init(chip); - if (ret < 0) { - usb6fire_chip_destroy(chip); - return ret; - } - - ret = usb6fire_pcm_init(chip); - if (ret < 0) { - usb6fire_chip_destroy(chip); - return ret; - } - - ret = usb6fire_control_init(chip); - if (ret < 0) { - usb6fire_chip_destroy(chip); - return ret; - } - - ret = snd_card_register(card); - if (ret < 0) { - snd_printk(KERN_ERR PREFIX "cannot register card."); - usb6fire_chip_destroy(chip); - return ret; - } - usb_set_intfdata(intf, chip); - return 0; -} - -static void usb6fire_chip_disconnect(struct usb_interface *intf) -{ - struct sfire_chip *chip; - struct snd_card *card; - - chip = usb_get_intfdata(intf); - if (chip) { /* if !chip, fw upload has been performed */ - card = chip->card; - chip->intf_count--; - if (!chip->intf_count) { - mutex_lock(®ister_mutex); - devices[chip->regidx] = NULL; - chips[chip->regidx] = NULL; - mutex_unlock(®ister_mutex); - - chip->shutdown = true; - usb6fire_chip_abort(chip); - usb6fire_chip_destroy(chip); - } - } -} - -static struct usb_device_id device_table[] = { - { - .match_flags = USB_DEVICE_ID_MATCH_DEVICE, - .idVendor = 0x0ccd, - .idProduct = 0x0080 - }, - {} -}; - -MODULE_DEVICE_TABLE(usb, device_table); - -static struct usb_driver usb_driver = { - .name = "snd-usb-6fire", - .probe = usb6fire_chip_probe, - .disconnect = usb6fire_chip_disconnect, - .id_table = device_table, -}; - -module_usb_driver(usb_driver); |