diff options
author | Daniel Mack <daniel@caiaq.org> | 2007-03-26 19:11:24 +0200 |
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committer | Jaroslav Kysela <perex@suse.cz> | 2007-05-11 16:55:53 +0200 |
commit | 523f1dce37434a9a6623bf46e7893e2b4b10ac3c (patch) | |
tree | 6f429b936089a79864c4b29d72011583f0f998e2 /sound/usb/caiaq/caiaq-device.c | |
parent | e24a121aa1070fc91b6461b8b88bb6ffa61b4b49 (diff) | |
download | op-kernel-dev-523f1dce37434a9a6623bf46e7893e2b4b10ac3c.zip op-kernel-dev-523f1dce37434a9a6623bf46e7893e2b4b10ac3c.tar.gz |
[ALSA] Add Native Instrument usb audio device support
Add snd-usb-caiaq driver to support caiaq usb-audio devices from
Native Instrument:
* Native Instruments RigKontrol2
* Native Instruments Kore Controller
* Native Instruments Audio Kontrol 1
* Native Instruments Audio 8 DJ
Signed-off-by: Daniel Mack <daniel@caiaq.org>
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/usb/caiaq/caiaq-device.c')
-rw-r--r-- | sound/usb/caiaq/caiaq-device.c | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c new file mode 100644 index 0000000..4709347 --- /dev/null +++ b/sound/usb/caiaq/caiaq-device.c @@ -0,0 +1,436 @@ +/* + * caiaq.c: ALSA driver for caiaq/NativeInstruments devices + * + * Copyright (c) 2007 Daniel Mack <daniel@caiaq.de> + * Karsten Wiese <fzu@wemgehoertderstaat.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/module.h> +#include <linux/moduleparam.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <linux/input.h> +#include <linux/spinlock.h> +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/pcm.h> +#include <sound/rawmidi.h> + +#include "caiaq-device.h" +#include "caiaq-audio.h" +#include "caiaq-midi.h" + +#ifdef CONFIG_SND_USB_CAIAQ_INPUT +#include "caiaq-input.h" +#endif + +MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.1.0"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," + "{Native Instruments, Kore Controller}," + "{Native Instruments, Audio Kontrol 1}" + "{Native Instruments, Audio 8 DJ}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ +static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +static int snd_card_used[SNDRV_CARDS]; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for the caiaq sound device"); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for the caiaq soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable the caiaq soundcard."); + +enum { + SAMPLERATE_44100 = 0, + SAMPLERATE_48000 = 1, + SAMPLERATE_96000 = 2, + SAMPLERATE_192000 = 3, + SAMPLERATE_88200 = 4, + SAMPLERATE_INVALID = 0xff +}; + +enum { + DEPTH_NONE = 0, + DEPTH_16 = 1, + DEPTH_24 = 2, + DEPTH_32 = 3 +}; + +static struct usb_device_id snd_usb_id_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = USB_VID_NATIVEINSTRUMENTS, + .idProduct = USB_PID_RIGKONTROL2 + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = USB_VID_NATIVEINSTRUMENTS, + .idProduct = USB_PID_KORECONTROLLER + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = USB_VID_NATIVEINSTRUMENTS, + .idProduct = USB_PID_AK1 + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = USB_VID_NATIVEINSTRUMENTS, + .idProduct = USB_PID_AUDIO8DJ + }, + { /* terminator */ } +}; + +static void usb_ep1_command_reply_dispatch (struct urb* urb) +{ + int ret; + struct snd_usb_caiaqdev *dev = urb->context; + unsigned char *buf = urb->transfer_buffer; + + if (urb->status || !dev) { + log("received EP1 urb->status = %i\n", urb->status); + return; + } + + switch(buf[0]) { + case EP1_CMD_GET_DEVICE_INFO: + memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec)); + dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version); + debug("device spec (firmware %d): audio: %d in, %d out, " + "MIDI: %d in, %d out, data alignment %d\n", + dev->spec.fw_version, + dev->spec.num_analog_audio_in, + dev->spec.num_analog_audio_out, + dev->spec.num_midi_in, + dev->spec.num_midi_out, + dev->spec.data_alignment); + + dev->spec_received++; + wake_up(&dev->ep1_wait_queue); + break; + case EP1_CMD_AUDIO_PARAMS: + dev->audio_parm_answer = buf[1]; + wake_up(&dev->ep1_wait_queue); + break; + case EP1_CMD_MIDI_READ: + snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]); + break; + +#ifdef CONFIG_SND_USB_CAIAQ_INPUT + case EP1_CMD_READ_ERP: + case EP1_CMD_READ_ANALOG: + case EP1_CMD_READ_IO: + snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length); + break; +#endif + } + + dev->ep1_in_urb.actual_length = 0; + ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC); + if (ret < 0) + log("unable to submit urb. OOM!?\n"); +} + +static int send_command (struct snd_usb_caiaqdev *dev, + unsigned char command, + const unsigned char *buffer, + int len) +{ + int actual_len; + struct usb_device *usb_dev = dev->chip.dev; + + if (!usb_dev) + return -EIO; + + if (len > EP1_BUFSIZE - 1) + len = EP1_BUFSIZE - 1; + + if (buffer && len > 0) + memcpy(dev->ep1_out_buf+1, buffer, len); + + dev->ep1_out_buf[0] = command; + return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1), + dev->ep1_out_buf, len+1, &actual_len, 200); +} + +int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev, + int rate, int depth, int bpp) +{ + int ret; + char tmp[5]; + + switch (rate) { + case 44100: tmp[0] = SAMPLERATE_44100; break; + case 48000: tmp[0] = SAMPLERATE_48000; break; + case 88200: tmp[0] = SAMPLERATE_88200; break; + case 96000: tmp[0] = SAMPLERATE_96000; break; + case 192000: tmp[0] = SAMPLERATE_192000; break; + default: return -EINVAL; + } + + switch (depth) { + case 16: tmp[1] = DEPTH_16; break; + case 24: tmp[1] = DEPTH_24; break; + default: return -EINVAL; + } + + tmp[2] = bpp & 0xff; + tmp[3] = bpp >> 8; + tmp[4] = 1; /* packets per microframe */ + + debug("setting audio params: %d Hz, %d bits, %d bpp\n", + rate, depth, bpp); + + dev->audio_parm_answer = -1; + ret = send_command(dev, EP1_CMD_AUDIO_PARAMS, tmp, sizeof(tmp)); + + if (ret) + return ret; + + if (!wait_event_timeout(dev->ep1_wait_queue, + dev->audio_parm_answer >= 0, HZ)) + return -EPIPE; + + if (dev->audio_parm_answer != 1) + debug("unable to set the device's audio params\n"); + + return dev->audio_parm_answer == 1 ? 0 : -EINVAL; +} + +int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev, + int digital, int analog, int erp) +{ + char tmp[3] = { digital, analog, erp }; + return send_command(dev, EP1_CMD_AUTO_MSG, tmp, sizeof(tmp)); +} + +static void setup_card(struct snd_usb_caiaqdev *dev) +{ + int ret; + char val[3]; + + /* device-specific startup specials */ + switch (dev->chip.usb_id) { + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2): + /* RigKontrol2 - display centered dash ('-') */ + val[0] = 0x00; + val[1] = 0x00; + val[2] = 0x01; + send_command(dev, EP1_CMD_WRITE_IO, val, 3); + break; + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1): + /* Audio Kontrol 1 - make USB-LED stop blinking */ + val[0] = 0x00; + send_command(dev, EP1_CMD_WRITE_IO, val, 1); + break; + } + + ret = snd_usb_caiaq_audio_init(dev); + if (ret < 0) + log("Unable to set up audio system (ret=%d)\n", ret); + + ret = snd_usb_caiaq_midi_init(dev); + if (ret < 0) + log("Unable to set up MIDI system (ret=%d)\n", ret); + +#ifdef CONFIG_SND_USB_CAIAQ_INPUT + ret = snd_usb_caiaq_input_init(dev); + if (ret < 0) + log("Unable to set up input system (ret=%d)\n", ret); +#endif + + /* finally, register the card and all its sub-instances */ + ret = snd_card_register(dev->chip.card); + if (ret < 0) { + log("snd_card_register() returned %d\n", ret); + snd_card_free(dev->chip.card); + } +} + +static struct snd_card* create_card(struct usb_device* usb_dev) +{ + int devnum; + struct snd_card *card; + struct snd_usb_caiaqdev *dev; + + for (devnum = 0; devnum < SNDRV_CARDS; devnum++) + if (enable[devnum] && !snd_card_used[devnum]) + break; + + if (devnum >= SNDRV_CARDS) + return NULL; + + card = snd_card_new(index[devnum], id[devnum], THIS_MODULE, + sizeof(struct snd_usb_caiaqdev)); + if (!card) + return NULL; + + dev = caiaqdev(card); + dev->chip.dev = usb_dev; + dev->chip.card = card; + dev->chip.usb_id = USB_ID(usb_dev->descriptor.idVendor, + usb_dev->descriptor.idProduct); + spin_lock_init(&dev->spinlock); + snd_card_set_dev(card, &usb_dev->dev); + + return card; +} + +static int init_card(struct snd_usb_caiaqdev *dev) +{ + char *c; + struct usb_device *usb_dev = dev->chip.dev; + struct snd_card *card = dev->chip.card; + int err, len; + + if (usb_set_interface(usb_dev, 0, 1) != 0) { + log("can't set alt interface.\n"); + return -EIO; + } + + usb_init_urb(&dev->ep1_in_urb); + usb_init_urb(&dev->midi_out_urb); + + usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev, + usb_rcvbulkpipe(usb_dev, 0x1), + dev->ep1_in_buf, EP1_BUFSIZE, + usb_ep1_command_reply_dispatch, dev); + + usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev, + usb_sndbulkpipe(usb_dev, 0x1), + dev->midi_out_buf, EP1_BUFSIZE, + snd_usb_caiaq_midi_output_done, dev); + + init_waitqueue_head(&dev->ep1_wait_queue); + init_waitqueue_head(&dev->prepare_wait_queue); + + if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0) + return -EIO; + + err = send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0); + if (err) + return err; + + if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ)) + return -ENODEV; + + usb_string(usb_dev, usb_dev->descriptor.iManufacturer, + dev->vendor_name, CAIAQ_USB_STR_LEN); + + usb_string(usb_dev, usb_dev->descriptor.iProduct, + dev->product_name, CAIAQ_USB_STR_LEN); + + usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, + dev->serial, CAIAQ_USB_STR_LEN); + + /* terminate serial string at first white space occurence */ + c = strchr(dev->serial, ' '); + if (c) + *c = '\0'; + + strcpy(card->driver, MODNAME); + strcpy(card->shortname, dev->product_name); + + len = snprintf(card->longname, sizeof(card->longname), + "%s %s (serial %s, ", + dev->vendor_name, dev->product_name, dev->serial); + + if (len < sizeof(card->longname) - 2) + len += usb_make_path(usb_dev, card->longname + len, + sizeof(card->longname) - len); + + card->longname[len++] = ')'; + card->longname[len] = '\0'; + setup_card(dev); + return 0; +} + +static int snd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + int ret; + struct snd_card *card; + struct usb_device *device = interface_to_usbdev(intf); + + card = create_card(device); + + if (!card) + return -ENOMEM; + + dev_set_drvdata(&intf->dev, card); + ret = init_card(caiaqdev(card)); + if (ret < 0) { + log("unable to init card! (ret=%d)\n", ret); + snd_card_free(card); + return ret; + } + + return 0; +} + +static void snd_disconnect(struct usb_interface *intf) +{ + struct snd_usb_caiaqdev *dev; + struct snd_card *card = dev_get_drvdata(&intf->dev); + + debug("snd_disconnect(%p)\n", intf); + + if (!card) + return; + + dev = caiaqdev(card); + snd_card_disconnect(card); + +#ifdef CONFIG_SND_USB_CAIAQ_INPUT + snd_usb_caiaq_input_free(dev); +#endif + snd_usb_caiaq_audio_free(dev); + + usb_kill_urb(&dev->ep1_in_urb); + usb_kill_urb(&dev->midi_out_urb); + + snd_card_free(card); + usb_reset_device(interface_to_usbdev(intf)); +} + + +MODULE_DEVICE_TABLE(usb, snd_usb_id_table); +static struct usb_driver snd_usb_driver = { + .name = MODNAME, + .probe = snd_probe, + .disconnect = snd_disconnect, + .id_table = snd_usb_id_table, +}; + +static int __init snd_module_init(void) +{ + return usb_register(&snd_usb_driver); +} + +static void __exit snd_module_exit(void) +{ + usb_deregister(&snd_usb_driver); +} + +module_init(snd_module_init) +module_exit(snd_module_exit) + |