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control.c

/*
 *   Copyright (c) 2007 Daniel Mack
 *   friendly supported by NI.
 *
 *   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/usb.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/pcm.h>

#include "device.h"
#include "control.h"

#define CNT_INTVAL 0x10000

static int control_info(struct snd_kcontrol *kcontrol,
                  struct snd_ctl_elem_info *uinfo)
{
      struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
      struct snd_usb_caiaqdev *dev = caiaqdev(chip->card);
      int pos = kcontrol->private_value;
      int is_intval = pos & CNT_INTVAL;
      unsigned int id = dev->chip.usb_id;

      uinfo->count = 1;
      pos &= ~CNT_INTVAL;

      if (id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)
            && (pos == 0)) {
            /* current input mode of A8DJ */
            uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
            uinfo->value.integer.min = 0;
            uinfo->value.integer.max = 2;
            return 0;
      }

      if (id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)
            && (pos == 0)) {
            /* current input mode of A4DJ */
            uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
            uinfo->value.integer.min = 0;
            uinfo->value.integer.max = 1;
            return 0;
      }

      if (is_intval) {
            uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
            uinfo->value.integer.min = 0;
            uinfo->value.integer.max = 64;
      } else {
            uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
            uinfo->value.integer.min = 0;
            uinfo->value.integer.max = 1;
      }

      return 0;
}

static int control_get(struct snd_kcontrol *kcontrol,
                   struct snd_ctl_elem_value *ucontrol)
{
      struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
      struct snd_usb_caiaqdev *dev = caiaqdev(chip->card);
      int pos = kcontrol->private_value;

      if (dev->chip.usb_id ==
            USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)) {
            /* A4DJ has only one control */
            /* do not expose hardware input mode 0 */
            ucontrol->value.integer.value[0] = dev->control_state[0] - 1;
            return 0;
      }

      if (pos & CNT_INTVAL)
            ucontrol->value.integer.value[0]
                  = dev->control_state[pos & ~CNT_INTVAL];
      else
            ucontrol->value.integer.value[0]
                  = !!(dev->control_state[pos / 8] & (1 << pos % 8));

      return 0;
}

static int control_put(struct snd_kcontrol *kcontrol,
                   struct snd_ctl_elem_value *ucontrol)
{
      struct snd_usb_audio *chip = snd_kcontrol_chip(kcontrol);
      struct snd_usb_caiaqdev *dev = caiaqdev(chip->card);
      int pos = kcontrol->private_value;

      if (dev->chip.usb_id ==
            USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)) {
            /* A4DJ has only one control */
            /* do not expose hardware input mode 0 */
            dev->control_state[0] = ucontrol->value.integer.value[0] + 1;
            snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
                        dev->control_state, sizeof(dev->control_state));
            return 1;
      }

      if (pos & CNT_INTVAL) {
            dev->control_state[pos & ~CNT_INTVAL]
                  = ucontrol->value.integer.value[0];
            snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
                        dev->control_state, sizeof(dev->control_state));
      } else {
            if (ucontrol->value.integer.value[0])
                  dev->control_state[pos / 8] |= 1 << (pos % 8);
            else
                  dev->control_state[pos / 8] &= ~(1 << (pos % 8));

            snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
                        dev->control_state, sizeof(dev->control_state));
      }

      return 1;
}

static struct snd_kcontrol_new kcontrol_template __devinitdata = {
      .iface = SNDRV_CTL_ELEM_IFACE_HWDEP,
      .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
      .index = 0,
      .info = control_info,
      .get  = control_get,
      .put  = control_put,
      /* name and private_value filled later */
};

struct caiaq_controller {
      char *name;
      int index;
};

static struct caiaq_controller ak1_controller[] = {
      { "LED left",     2 },
      { "LED middle", 1 },
      { "LED right",    0 },
      { "LED ring",     3 }
};

static struct caiaq_controller rk2_controller[] = {
      { "LED 1",        5  },
      { "LED 2",        4  },
      { "LED 3",        3  },
      { "LED 4",        2  },
      { "LED 5",        1  },
      { "LED 6",        0  },
      { "LED pedal",          6  },
      { "LED 7seg_1b",  8  },
      { "LED 7seg_1c",  9  },
      { "LED 7seg_2a",  10 },
      { "LED 7seg_2b",  11 },
      { "LED 7seg_2c",  12 },
      { "LED 7seg_2d",  13 },
      { "LED 7seg_2e",  14 },
      { "LED 7seg_2f",  15 },
      { "LED 7seg_2g",  16 },
      { "LED 7seg_3a",  17 },
      { "LED 7seg_3b",  18 },
      { "LED 7seg_3c",  19 },
      { "LED 7seg_3d",  20 },
      { "LED 7seg_3e",  21 },
      { "LED 7seg_3f",  22 },
      { "LED 7seg_3g",  23 }
};

static struct caiaq_controller rk3_controller[] = {
      { "LED 7seg_1a",        0 + 0 },
      { "LED 7seg_1b",        0 + 1 },
      { "LED 7seg_1c",        0 + 2 },
      { "LED 7seg_1d",        0 + 3 },
      { "LED 7seg_1e",        0 + 4 },
      { "LED 7seg_1f",        0 + 5 },
      { "LED 7seg_1g",        0 + 6 },
      { "LED 7seg_1p",        0 + 7 },

      { "LED 7seg_2a",        8 + 0 },
      { "LED 7seg_2b",        8 + 1 },
      { "LED 7seg_2c",        8 + 2 },
      { "LED 7seg_2d",        8 + 3 },
      { "LED 7seg_2e",        8 + 4 },
      { "LED 7seg_2f",        8 + 5 },
      { "LED 7seg_2g",        8 + 6 },
      { "LED 7seg_2p",        8 + 7 },

      { "LED 7seg_3a",        16 + 0 },
      { "LED 7seg_3b",        16 + 1 },
      { "LED 7seg_3c",        16 + 2 },
      { "LED 7seg_3d",        16 + 3 },
      { "LED 7seg_3e",        16 + 4 },
      { "LED 7seg_3f",        16 + 5 },
      { "LED 7seg_3g",        16 + 6 },
      { "LED 7seg_3p",        16 + 7 },

      { "LED 7seg_4a",        24 + 0 },
      { "LED 7seg_4b",        24 + 1 },
      { "LED 7seg_4c",        24 + 2 },
      { "LED 7seg_4d",        24 + 3 },
      { "LED 7seg_4e",        24 + 4 },
      { "LED 7seg_4f",        24 + 5 },
      { "LED 7seg_4g",        24 + 6 },
      { "LED 7seg_4p",        24 + 7 },

      { "LED 1",        32 + 0 },
      { "LED 2",        32 + 1 },
      { "LED 3",        32 + 2 },
      { "LED 4",        32 + 3 },
      { "LED 5",        32 + 4 },
      { "LED 6",        32 + 5 },
      { "LED 7",        32 + 6 },
      { "LED 8",        32 + 7 },
      { "LED pedal",          32 + 8 }
};

static struct caiaq_controller kore_controller[] = {
      { "LED F1",       8   | CNT_INTVAL },
      { "LED F2",       12  | CNT_INTVAL },
      { "LED F3",       0   | CNT_INTVAL },
      { "LED F4",       4   | CNT_INTVAL },
      { "LED F5",       11  | CNT_INTVAL },
      { "LED F6",       15  | CNT_INTVAL },
      { "LED F7",       3   | CNT_INTVAL },
      { "LED F8",       7   | CNT_INTVAL },
      { "LED touch1",         10  | CNT_INTVAL },
      { "LED touch2",         14  | CNT_INTVAL },
      { "LED touch3",         2   | CNT_INTVAL },
      { "LED touch4",         6   | CNT_INTVAL },
      { "LED touch5",         9   | CNT_INTVAL },
      { "LED touch6",         13  | CNT_INTVAL },
      { "LED touch7",         1   | CNT_INTVAL },
      { "LED touch8",         5   | CNT_INTVAL },
      { "LED left",                 18  | CNT_INTVAL },
      { "LED right",          22  | CNT_INTVAL },
      { "LED up",       16  | CNT_INTVAL },
      { "LED down",                 20  | CNT_INTVAL },
      { "LED stop",                 23  | CNT_INTVAL },
      { "LED play",                 21  | CNT_INTVAL },
      { "LED record",         19  | CNT_INTVAL },
      { "LED listen",         17  | CNT_INTVAL },
      { "LED lcd",            30  | CNT_INTVAL },
      { "LED menu",           28  | CNT_INTVAL },
      { "LED sound",          31  | CNT_INTVAL },
      { "LED esc",            29  | CNT_INTVAL },
      { "LED view",           27  | CNT_INTVAL },
      { "LED enter",          24  | CNT_INTVAL },
      { "LED control",  26  | CNT_INTVAL }
};

static struct caiaq_controller a8dj_controller[] = {
      { "Current input mode",             0 | CNT_INTVAL    },
      { "GND lift for TC Vinyl mode",     24 + 0            },
      { "GND lift for TC CD/Line mode",   24 + 1            },
      { "GND lift for phono mode",        24 + 2            },
      { "Software lock",                  40          }
};

static struct caiaq_controller a4dj_controller[] = {
      { "Current input mode", 0 | CNT_INTVAL    }
};

static int __devinit add_controls(struct caiaq_controller *c, int num,
                          struct snd_usb_caiaqdev *dev)
{
      int i, ret;
      struct snd_kcontrol *kc;

      for (i = 0; i < num; i++, c++) {
            kcontrol_template.name = c->name;
            kcontrol_template.private_value = c->index;
            kc = snd_ctl_new1(&kcontrol_template, dev);
            ret = snd_ctl_add(dev->chip.card, kc);
            if (ret < 0)
                  return ret;
      }

      return 0;
}

int __devinit snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev)
{
      int ret = 0;

      switch (dev->chip.usb_id) {
      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
            ret = add_controls(ak1_controller,
                  ARRAY_SIZE(ak1_controller), dev);
            break;

      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
            ret = add_controls(rk2_controller,
                  ARRAY_SIZE(rk2_controller), dev);
            break;

      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
            ret = add_controls(rk3_controller,
                  ARRAY_SIZE(rk3_controller), dev);
            break;

      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
            ret = add_controls(kore_controller,
                  ARRAY_SIZE(kore_controller), dev);
            break;

      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
            ret = add_controls(a8dj_controller,
                  ARRAY_SIZE(a8dj_controller), dev);
            break;
      case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
            ret = add_controls(a4dj_controller,
                  ARRAY_SIZE(a4dj_controller), dev);
            break;
      }

      return ret;
}


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