/* * 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/moduleparam.h> #include <linux/interrupt.h> #include <linux/module.h> #include <linux/init.h> #include <linux/usb.h> #include <sound/initval.h> #include <sound/core.h> #include <sound/pcm.h> #include "device.h" #include "audio.h" #include "midi.h" #include "control.h" #include "input.h" MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); MODULE_DESCRIPTION("caiaq USB audio, version 1.3.20"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," "{Native Instruments, RigKontrol3}," "{Native Instruments, Kore Controller}," "{Native Instruments, Kore Controller 2}," "{Native Instruments, Audio Kontrol 1}," "{Native Instruments, Audio 2 DJ}," "{Native Instruments, Audio 4 DJ}," "{Native Instruments, Audio 8 DJ}," "{Native Instruments, Session I/O}," "{Native Instruments, GuitarRig mobile}"); 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_RIGKONTROL3 }, { .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_KORECONTROLLER2 }, { .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 }, { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = USB_VID_NATIVEINSTRUMENTS, .idProduct = USB_PID_SESSIONIO }, { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = USB_VID_NATIVEINSTRUMENTS, .idProduct = USB_PID_GUITARRIGMOBILE }, { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = USB_VID_NATIVEINSTRUMENTS, .idProduct = USB_PID_AUDIO4DJ }, { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = USB_VID_NATIVEINSTRUMENTS, .idProduct = USB_PID_AUDIO2DJ }, { /* 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; case EP1_CMD_READ_IO: if (dev->chip.usb_id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) { if (urb->actual_length > sizeof(dev->control_state)) urb->actual_length = sizeof(dev->control_state); memcpy(dev->control_state, buf + 1, urb->actual_length); wake_up(&dev->ep1_wait_queue); break; } #ifdef CONFIG_SND_USB_CAIAQ_INPUT case EP1_CMD_READ_ERP: case EP1_CMD_READ_ANALOG: snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length); #endif break; } 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"); } int snd_usb_caiaq_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 = snd_usb_caiaq_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"); else dev->bpp = bpp; 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 snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG, tmp, sizeof(tmp)); } static void __devinit setup_card(struct snd_usb_caiaqdev *dev) { int ret; char val[4]; /* 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; snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 3); break; case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3): /* RigKontrol2 - display two centered dashes ('--') */ val[0] = 0x00; val[1] = 0x40; val[2] = 0x40; val[3] = 0x00; snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 4); break; case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1): /* Audio Kontrol 1 - make USB-LED stop blinking */ val[0] = 0x00; snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 1); break; case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ): /* Audio 8 DJ - trigger read of current settings */ dev->control_state[0] = 0xff; snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0); snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0); if (!wait_event_timeout(dev->ep1_wait_queue, dev->control_state[0] != 0xff, HZ)) return; /* fix up some defaults */ if ((dev->control_state[1] != 2) || (dev->control_state[2] != 3) || (dev->control_state[4] != 2)) { dev->control_state[1] = 2; dev->control_state[2] = 3; dev->control_state[4] = 2; snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, dev->control_state, 6); } break; case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): /* Audio 4 DJ - default input mode to phono */ dev->control_state[0] = 2; snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, dev->control_state, 1); break; } if (dev->spec.num_analog_audio_out + dev->spec.num_analog_audio_in + dev->spec.num_digital_audio_out + dev->spec.num_digital_audio_in > 0) { ret = snd_usb_caiaq_audio_init(dev); if (ret < 0) log("Unable to set up audio system (ret=%d)\n", ret); } if (dev->spec.num_midi_in + dev->spec.num_midi_out > 0) { 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); } ret = snd_usb_caiaq_control_init(dev); if (ret < 0) log("Unable to set up control system (ret=%d)\n", ret); } static int create_card(struct usb_device *usb_dev, struct usb_interface *intf, struct snd_card **cardp) { int devnum; int err; 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 -ENODEV; err = snd_card_create(index[devnum], id[devnum], THIS_MODULE, sizeof(struct snd_usb_caiaqdev), &card); if (err < 0) return err; dev = caiaqdev(card); dev->chip.dev = usb_dev; dev->chip.card = card; dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor), le16_to_cpu(usb_dev->descriptor.idProduct)); spin_lock_init(&dev->spinlock); snd_card_set_dev(card, &intf->dev); *cardp = card; return 0; } static int __devinit init_card(struct snd_usb_caiaqdev *dev) { char *c, usbpath[32]; 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 = snd_usb_caiaq_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); strlcpy(card->driver, MODNAME, sizeof(card->driver)); strlcpy(card->shortname, dev->product_name, sizeof(card->shortname)); strlcpy(card->mixername, dev->product_name, sizeof(card->mixername)); /* if the id was not passed as module option, fill it with a shortened * version of the product string which does not contain any * whitespaces */ if (*card->id == '\0') { char id[sizeof(card->id)]; memset(id, 0, sizeof(id)); for (c = card->shortname, len = 0; *c && len < sizeof(card->id); c++) if (*c != ' ') id[len++] = *c; snd_card_set_id(card, id); } usb_make_path(usb_dev, usbpath, sizeof(usbpath)); snprintf(card->longname, sizeof(card->longname), "%s %s (%s)", dev->vendor_name, dev->product_name, usbpath); setup_card(dev); return 0; } static int __devinit 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); ret = create_card(device, intf, &card); if (ret < 0) return ret; usb_set_intfdata(intf, 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 = usb_get_intfdata(intf); debug("%s(%p)\n", __func__, 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)