diff options
Diffstat (limited to 'kernel/sound/usb/caiaq/device.c')
| -rw-r--r-- | kernel/sound/usb/caiaq/device.c | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/kernel/sound/usb/caiaq/device.c b/kernel/sound/usb/caiaq/device.c new file mode 100644 index 000000000..b871ba407 --- /dev/null +++ b/kernel/sound/usb/caiaq/device.c @@ -0,0 +1,570 @@ +/* + * 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); |