--- /dev/null
+/*
+ * 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/device.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/gfp.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");
+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,Traktor Audio 2},"
+ "{Native Instruments,Session I/O},"
+ "{Native Instruments,GuitarRig mobile},"
+ "{Native Instruments,Traktor Kontrol X1},"
+ "{Native Instruments,Traktor Kontrol S4},"
+ "{Native Instruments,Maschine Controller}}");
+
+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 */
+
+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
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_TRAKTORKONTROLX1
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_TRAKTORKONTROLS4
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_TRAKTORAUDIO2
+ },
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = USB_VID_NATIVEINSTRUMENTS,
+ .idProduct = USB_PID_MASCHINECONTROLLER
+ },
+ { /* terminator */ }
+};
+
+static void usb_ep1_command_reply_dispatch (struct urb* urb)
+{
+ int ret;
+ struct device *dev = &urb->dev->dev;
+ struct snd_usb_caiaqdev *cdev = urb->context;
+ unsigned char *buf = urb->transfer_buffer;
+
+ if (urb->status || !cdev) {
+ dev_warn(dev, "received EP1 urb->status = %i\n", urb->status);
+ return;
+ }
+
+ switch(buf[0]) {
+ case EP1_CMD_GET_DEVICE_INFO:
+ memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec));
+ cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version);
+ dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, "
+ "MIDI: %d in, %d out, data alignment %d\n",
+ cdev->spec.fw_version,
+ cdev->spec.num_analog_audio_in,
+ cdev->spec.num_analog_audio_out,
+ cdev->spec.num_midi_in,
+ cdev->spec.num_midi_out,
+ cdev->spec.data_alignment);
+
+ cdev->spec_received++;
+ wake_up(&cdev->ep1_wait_queue);
+ break;
+ case EP1_CMD_AUDIO_PARAMS:
+ cdev->audio_parm_answer = buf[1];
+ wake_up(&cdev->ep1_wait_queue);
+ break;
+ case EP1_CMD_MIDI_READ:
+ snd_usb_caiaq_midi_handle_input(cdev, buf[1], buf + 3, buf[2]);
+ break;
+ case EP1_CMD_READ_IO:
+ if (cdev->chip.usb_id ==
+ USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
+ if (urb->actual_length > sizeof(cdev->control_state))
+ urb->actual_length = sizeof(cdev->control_state);
+ memcpy(cdev->control_state, buf + 1, urb->actual_length);
+ wake_up(&cdev->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(cdev, buf, urb->actual_length);
+#endif
+ break;
+ }
+
+ cdev->ep1_in_urb.actual_length = 0;
+ ret = usb_submit_urb(&cdev->ep1_in_urb, GFP_ATOMIC);
+ if (ret < 0)
+ dev_err(dev, "unable to submit urb. OOM!?\n");
+}
+
+int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ const unsigned char *buffer,
+ int len)
+{
+ int actual_len;
+ struct usb_device *usb_dev = cdev->chip.dev;
+
+ if (!usb_dev)
+ return -EIO;
+
+ if (len > EP1_BUFSIZE - 1)
+ len = EP1_BUFSIZE - 1;
+
+ if (buffer && len > 0)
+ memcpy(cdev->ep1_out_buf+1, buffer, len);
+
+ cdev->ep1_out_buf[0] = command;
+ return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
+ cdev->ep1_out_buf, len+1, &actual_len, 200);
+}
+
+int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ unsigned char bank,
+ const unsigned char *buffer,
+ int len)
+{
+ int actual_len;
+ struct usb_device *usb_dev = cdev->chip.dev;
+
+ if (!usb_dev)
+ return -EIO;
+
+ if (len > EP1_BUFSIZE - 2)
+ len = EP1_BUFSIZE - 2;
+
+ if (buffer && len > 0)
+ memcpy(cdev->ep1_out_buf+2, buffer, len);
+
+ cdev->ep1_out_buf[0] = command;
+ cdev->ep1_out_buf[1] = bank;
+
+ return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
+ cdev->ep1_out_buf, len+2, &actual_len, 200);
+}
+
+int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
+ int rate, int depth, int bpp)
+{
+ int ret;
+ char tmp[5];
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ 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 */
+
+ dev_dbg(dev, "setting audio params: %d Hz, %d bits, %d bpp\n",
+ rate, depth, bpp);
+
+ cdev->audio_parm_answer = -1;
+ ret = snd_usb_caiaq_send_command(cdev, EP1_CMD_AUDIO_PARAMS,
+ tmp, sizeof(tmp));
+
+ if (ret)
+ return ret;
+
+ if (!wait_event_timeout(cdev->ep1_wait_queue,
+ cdev->audio_parm_answer >= 0, HZ))
+ return -EPIPE;
+
+ if (cdev->audio_parm_answer != 1)
+ dev_dbg(dev, "unable to set the device's audio params\n");
+ else
+ cdev->bpp = bpp;
+
+ return cdev->audio_parm_answer == 1 ? 0 : -EINVAL;
+}
+
+int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev,
+ int digital, int analog, int erp)
+{
+ char tmp[3] = { digital, analog, erp };
+ return snd_usb_caiaq_send_command(cdev, EP1_CMD_AUTO_MSG,
+ tmp, sizeof(tmp));
+}
+
+static void setup_card(struct snd_usb_caiaqdev *cdev)
+{
+ int ret;
+ char val[4];
+ struct device *dev = caiaqdev_to_dev(cdev);
+
+ /* device-specific startup specials */
+ switch (cdev->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(cdev, 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(cdev, 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(cdev, EP1_CMD_WRITE_IO, val, 1);
+ break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
+ /* Audio 8 DJ - trigger read of current settings */
+ cdev->control_state[0] = 0xff;
+ snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 0);
+ snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0);
+
+ if (!wait_event_timeout(cdev->ep1_wait_queue,
+ cdev->control_state[0] != 0xff, HZ))
+ return;
+
+ /* fix up some defaults */
+ if ((cdev->control_state[1] != 2) ||
+ (cdev->control_state[2] != 3) ||
+ (cdev->control_state[4] != 2)) {
+ cdev->control_state[1] = 2;
+ cdev->control_state[2] = 3;
+ cdev->control_state[4] = 2;
+ snd_usb_caiaq_send_command(cdev,
+ EP1_CMD_WRITE_IO, cdev->control_state, 6);
+ }
+
+ break;
+ }
+
+ if (cdev->spec.num_analog_audio_out +
+ cdev->spec.num_analog_audio_in +
+ cdev->spec.num_digital_audio_out +
+ cdev->spec.num_digital_audio_in > 0) {
+ ret = snd_usb_caiaq_audio_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret);
+ }
+
+ if (cdev->spec.num_midi_in +
+ cdev->spec.num_midi_out > 0) {
+ ret = snd_usb_caiaq_midi_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret);
+ }
+
+#ifdef CONFIG_SND_USB_CAIAQ_INPUT
+ ret = snd_usb_caiaq_input_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "Unable to set up input system (ret=%d)\n", ret);
+#endif
+
+ /* finally, register the card and all its sub-instances */
+ ret = snd_card_register(cdev->chip.card);
+ if (ret < 0) {
+ dev_err(dev, "snd_card_register() returned %d\n", ret);
+ snd_card_free(cdev->chip.card);
+ }
+
+ ret = snd_usb_caiaq_control_init(cdev);
+ if (ret < 0)
+ dev_err(dev, "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 *cdev;
+
+ for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
+ if (enable[devnum])
+ break;
+
+ if (devnum >= SNDRV_CARDS)
+ return -ENODEV;
+
+ err = snd_card_new(&intf->dev,
+ index[devnum], id[devnum], THIS_MODULE,
+ sizeof(struct snd_usb_caiaqdev), &card);
+ if (err < 0)
+ return err;
+
+ cdev = caiaqdev(card);
+ cdev->chip.dev = usb_dev;
+ cdev->chip.card = card;
+ cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
+ le16_to_cpu(usb_dev->descriptor.idProduct));
+ spin_lock_init(&cdev->spinlock);
+
+ *cardp = card;
+ return 0;
+}
+
+static int init_card(struct snd_usb_caiaqdev *cdev)
+{
+ char *c, usbpath[32];
+ struct usb_device *usb_dev = cdev->chip.dev;
+ struct snd_card *card = cdev->chip.card;
+ struct device *dev = caiaqdev_to_dev(cdev);
+ int err, len;
+
+ if (usb_set_interface(usb_dev, 0, 1) != 0) {
+ dev_err(dev, "can't set alt interface.\n");
+ return -EIO;
+ }
+
+ usb_init_urb(&cdev->ep1_in_urb);
+ usb_init_urb(&cdev->midi_out_urb);
+
+ usb_fill_bulk_urb(&cdev->ep1_in_urb, usb_dev,
+ usb_rcvbulkpipe(usb_dev, 0x1),
+ cdev->ep1_in_buf, EP1_BUFSIZE,
+ usb_ep1_command_reply_dispatch, cdev);
+
+ usb_fill_bulk_urb(&cdev->midi_out_urb, usb_dev,
+ usb_sndbulkpipe(usb_dev, 0x1),
+ cdev->midi_out_buf, EP1_BUFSIZE,
+ snd_usb_caiaq_midi_output_done, cdev);
+
+ init_waitqueue_head(&cdev->ep1_wait_queue);
+ init_waitqueue_head(&cdev->prepare_wait_queue);
+
+ if (usb_submit_urb(&cdev->ep1_in_urb, GFP_KERNEL) != 0)
+ return -EIO;
+
+ err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
+ if (err)
+ return err;
+
+ if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
+ return -ENODEV;
+
+ usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
+ cdev->vendor_name, CAIAQ_USB_STR_LEN);
+
+ usb_string(usb_dev, usb_dev->descriptor.iProduct,
+ cdev->product_name, CAIAQ_USB_STR_LEN);
+
+ strlcpy(card->driver, MODNAME, sizeof(card->driver));
+ strlcpy(card->shortname, cdev->product_name, sizeof(card->shortname));
+ strlcpy(card->mixername, cdev->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)",
+ cdev->vendor_name, cdev->product_name, usbpath);
+
+ setup_card(cdev);
+ return 0;
+}
+
+static int snd_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int ret;
+ struct snd_card *card = NULL;
+ struct usb_device *usb_dev = interface_to_usbdev(intf);
+
+ ret = create_card(usb_dev, intf, &card);
+
+ if (ret < 0)
+ return ret;
+
+ usb_set_intfdata(intf, card);
+ ret = init_card(caiaqdev(card));
+ if (ret < 0) {
+ dev_err(&usb_dev->dev, "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_card *card = usb_get_intfdata(intf);
+ struct device *dev = intf->usb_dev;
+ struct snd_usb_caiaqdev *cdev;
+
+ if (!card)
+ return;
+
+ cdev = caiaqdev(card);
+ dev_dbg(dev, "%s(%p)\n", __func__, intf);
+
+ snd_card_disconnect(card);
+
+#ifdef CONFIG_SND_USB_CAIAQ_INPUT
+ snd_usb_caiaq_input_free(cdev);
+#endif
+ snd_usb_caiaq_audio_free(cdev);
+
+ usb_kill_urb(&cdev->ep1_in_urb);
+ usb_kill_urb(&cdev->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,
+};
+
+module_usb_driver(snd_usb_driver);
Code Review / kvmfornfv.git / blobdiff