/*
* Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
*
* 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/gfp.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/usb/input.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include "device.h"
#include "input.h"
static unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
static unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7 };
static unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
static unsigned short keycode_kore[] = {
KEY_FN_F1, /* "menu" */
KEY_FN_F7, /* "lcd backlight */
KEY_FN_F2, /* "control" */
KEY_FN_F3, /* "enter" */
KEY_FN_F4, /* "view" */
KEY_FN_F5, /* "esc" */
KEY_FN_F6, /* "sound" */
KEY_FN_F8, /* array spacer, never triggered. */
KEY_RIGHT,
KEY_DOWN,
KEY_UP,
KEY_LEFT,
KEY_SOUND, /* "listen" */
KEY_RECORD,
KEY_PLAYPAUSE,
KEY_STOP,
BTN_4, /* 8 softkeys */
BTN_3,
BTN_2,
BTN_1,
BTN_8,
BTN_7,
BTN_6,
BTN_5,
KEY_BRL_DOT4, /* touch sensitive knobs */
KEY_BRL_DOT3,
KEY_BRL_DOT2,
KEY_BRL_DOT1,
KEY_BRL_DOT8,
KEY_BRL_DOT7,
KEY_BRL_DOT6,
KEY_BRL_DOT5
};
#define KONTROLX1_INPUTS (40)
#define KONTROLS4_BUTTONS (12 * 8)
#define KONTROLS4_AXIS (46)
#define KONTROLS4_BUTTON(X) ((X) + BTN_MISC)
#define KONTROLS4_ABS(X) ((X) + ABS_HAT0X)
#define DEG90 (range / 2)
#define DEG180 (range)
#define DEG270 (DEG90 + DEG180)
#define DEG360 (DEG180 * 2)
#define HIGH_PEAK (268)
#define LOW_PEAK (-7)
/* some of these devices have endless rotation potentiometers
* built in which use two tapers, 90 degrees phase shifted.
* this algorithm decodes them to one single value, ranging
* from 0 to 999 */
static unsigned int decode_erp(unsigned char a, unsigned char b)
{
int weight_a, weight_b;
int pos_a, pos_b;
int ret;
int range = HIGH_PEAK - LOW_PEAK;
int mid_value = (HIGH_PEAK + LOW_PEAK) / 2;
weight_b = abs(mid_value - a) - (range / 2 - 100) / 2;
if (weight_b < 0)
weight_b = 0;
if (weight_b > 100)
weight_b = 100;
weight_a = 100 - weight_b;
if (a < mid_value) {
/* 0..90 and 270..360 degrees */
pos_b = b - LOW_PEAK + DEG270;
if (pos_b >= DEG360)
pos_b -= DEG360;
} else
/* 90..270 degrees */
pos_b = HIGH_PEAK - b + DEG90;
if (b > mid_value)
/* 0..180 degrees */
pos_a = a - LOW_PEAK;
else
/* 180..360 degrees */
pos_a = HIGH_PEAK - a + DEG180;
/* interpolate both slider values, depending on weight factors */
/* 0..99 x DEG360 */
ret = pos_a * weight_a + pos_b * weight_b;
/* normalize to 0..999 */
ret *= 10;
ret /= DEG360;
if (ret < 0)
ret += 1000;
if (ret >= 1000)
ret -= 1000;
return ret;
}
#undef DEG90
#undef DEG180
#undef DEG270
#undef DEG360
#undef HIGH_PEAK
#undef LOW_PEAK
static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *dev,
int axis, const unsigned char *buf,
int offset)
{
input_report_abs(dev->input_dev, axis,
(buf[offset * 2] << 8) | buf[offset * 2 + 1]);
}
static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *dev,
const unsigned char *buf,
unsigned int len)
{
struct input_dev *input_dev = dev->input_dev;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
snd_caiaq_input_report_abs(dev, ABS_X, buf, 2);
snd_caiaq_input_report_abs(dev, ABS_Y, buf, 0);
snd_caiaq_input_report_abs(dev, ABS_Z, buf, 1);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
snd_caiaq_input_report_abs(dev, ABS_X, buf, 0);
snd_caiaq_input_report_abs(dev, ABS_Y, buf, 1);
snd_caiaq_input_report_abs(dev, ABS_Z, buf, 2);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
snd_caiaq_input_report_abs(dev, ABS_HAT0X, buf, 4);
snd_caiaq_input_report_abs(dev, ABS_HAT0Y, buf, 2);
snd_caiaq_input_report_abs(dev, ABS_HAT1X, buf, 6);
snd_caiaq_input_report_abs(dev, ABS_HAT1Y, buf, 1);
snd_caiaq_input_report_abs(dev, ABS_HAT2X, buf, 7);
snd_caiaq_input_report_abs(dev, ABS_HAT2Y, buf, 0);
snd_caiaq_input_report_abs(dev, ABS_HAT3X, buf, 5);
snd_caiaq_input_report_abs(dev, ABS_HAT3Y, buf, 3);
break;
}
input_sync(input_dev);
}
static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *dev,
const char *buf, unsigned int len)
{
struct input_dev *input_dev = dev->input_dev;
int i;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
i = decode_erp(buf[0], buf[1]);
input_report_abs(input_dev, ABS_X, i);
input_sync(input_dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
i = decode_erp(buf[7], buf[5]);
input_report_abs(input_dev, ABS_HAT0X, i);
i = decode_erp(buf[12], buf[14]);
input_report_abs(input_dev, ABS_HAT0Y, i);
i = decode_erp(buf[15], buf[13]);
input_report_abs(input_dev, ABS_HAT1X, i);
i = decode_erp(buf[0], buf[2]);
input_report_abs(input_dev, ABS_HAT1Y, i);
i = decode_erp(buf[3], buf[1]);
input_report_abs(input_dev, ABS_HAT2X, i);
i = decode_erp(buf[8], buf[10]);
input_report_abs(input_dev, ABS_HAT2Y, i);
i = decode_erp(buf[11], buf[9]);
input_report_abs(input_dev, ABS_HAT3X, i);
i = decode_erp(buf[4], buf[6]);
input_report_abs(input_dev, ABS_HAT3Y, i);
input_sync(input_dev);
break;
}
}
static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
unsigned char *buf, unsigned int len)
{
struct input_dev *input_dev = dev->input_dev;
unsigned short *keycode = input_dev->keycode;
int i;
if (!keycode)
return;
if (input_dev->id.product == USB_PID_RIGKONTROL2)
for (i = 0; i < len; i++)
buf[i] = ~buf[i];
for (i = 0; i < input_dev->keycodemax && i < len * 8; i++)
input_report_key(input_dev, keycode[i],
buf[i / 8] & (1 << (i % 8)));
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
input_report_abs(dev->input_dev, ABS_MISC, 255 - buf[4]);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
/* rotary encoders */
input_report_abs(dev->input_dev, ABS_X, buf[5] & 0xf);
input_report_abs(dev->input_dev, ABS_Y, buf[5] >> 4);
input_report_abs(dev->input_dev, ABS_Z, buf[6] & 0xf);
input_report_abs(dev->input_dev, ABS_MISC, buf[6] >> 4);
break;
}
input_sync(input_dev);
}
#define TKS4_MSGBLOCK_SIZE 16
static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *dev,
const unsigned char *buf,
unsigned int len)
{
while (len) {
unsigned int i, block_id = (buf[0] << 8) | buf[1];
switch (block_id) {
case 0:
/* buttons */
for (i = 0; i < KONTROLS4_BUTTONS; i++)
input_report_key(dev->input_dev, KONTROLS4_BUTTON(i),
(buf[4 + (i / 8)] >> (i % 8)) & 1);
break;
case 1:
/* left wheel */
input_report_abs(dev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
/* right wheel */
input_report_abs(dev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
/* rotary encoders */
input_report_abs(dev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
input_report_abs(dev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
input_report_abs(dev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
break;
case 2:
/* Volume Fader Channel D */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(0), buf, 1);
/* Volume Fader Channel B */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(1), buf, 2);
/* Volume Fader Channel A */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(2), buf, 3);
/* Volume Fader Channel C */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(3), buf, 4);
/* Loop Volume */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(4), buf, 6);
/* Crossfader */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(7), buf, 7);
break;
case 3:
/* Tempo Fader R */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(6), buf, 3);
/* Tempo Fader L */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(5), buf, 4);
/* Mic Volume */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(8), buf, 6);
/* Cue Mix */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(9), buf, 7);
break;
case 4:
/* Wheel distance sensor L */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(10), buf, 1);
/* Wheel distance sensor R */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(11), buf, 2);
/* Channel D EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(12), buf, 3);
/* Channel D EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(13), buf, 4);
/* Channel D EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(14), buf, 5);
/* Channel D EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(15), buf, 6);
/* FX2 - dry/wet */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(16), buf, 7);
break;
case 5:
/* FX2 - 1 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(17), buf, 1);
/* FX2 - 2 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(18), buf, 2);
/* FX2 - 3 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(19), buf, 3);
/* Channel B EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(20), buf, 4);
/* Channel B EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(21), buf, 5);
/* Channel B EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(22), buf, 6);
/* Channel B EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(23), buf, 7);
break;
case 6:
/* Channel A EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(24), buf, 1);
/* Channel A EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(25), buf, 2);
/* Channel A EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(26), buf, 3);
/* Channel A EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(27), buf, 4);
/* Channel C EQ - Filter */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(28), buf, 5);
/* Channel C EQ - Low */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(29), buf, 6);
/* Channel C EQ - Mid */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(30), buf, 7);
break;
case 7:
/* Channel C EQ - Hi */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(31), buf, 1);
/* FX1 - wet/dry */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(32), buf, 2);
/* FX1 - 1 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(33), buf, 3);
/* FX1 - 2 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(34), buf, 4);
/* FX1 - 3 */
snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(35), buf, 5);
break;
default:
debug("%s(): bogus block (id %d)\n",
__func__, block_id);
return;
}
len -= TKS4_MSGBLOCK_SIZE;
buf += TKS4_MSGBLOCK_SIZE;
}
input_sync(dev->input_dev);
}
static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
{
struct snd_usb_caiaqdev *dev = urb->context;
unsigned char *buf = urb->transfer_buffer;
int ret;
if (urb->status || !dev || urb != dev->ep4_in_urb)
return;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
if (urb->actual_length < 24)
goto requeue;
if (buf[0] & 0x3)
snd_caiaq_input_read_io(dev, buf + 1, 7);
if (buf[0] & 0x4)
snd_caiaq_input_read_analog(dev, buf + 8, 16);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
snd_usb_caiaq_tks4_dispatch(dev, buf, urb->actual_length);
break;
}
requeue:
dev->ep4_in_urb->actual_length = 0;
ret = usb_submit_urb(dev->ep4_in_urb, GFP_ATOMIC);
if (ret < 0)
log("unable to submit urb. OOM!?\n");
}
static int snd_usb_caiaq_input_open(struct input_dev *idev)
{
struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
if (!dev)
return -EINVAL;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
if (usb_submit_urb(dev->ep4_in_urb, GFP_KERNEL) != 0)
return -EIO;
break;
}
return 0;
}
static void snd_usb_caiaq_input_close(struct input_dev *idev)
{
struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
if (!dev)
return;
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
usb_kill_urb(dev->ep4_in_urb);
break;
}
}
void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev,
char *buf,
unsigned int len)
{
if (!dev->input_dev || len < 1)
return;
switch (buf[0]) {
case EP1_CMD_READ_ANALOG:
snd_caiaq_input_read_analog(dev, buf + 1, len - 1);
break;
case EP1_CMD_READ_ERP:
snd_caiaq_input_read_erp(dev, buf + 1, len - 1);
break;
case EP1_CMD_READ_IO:
snd_caiaq_input_read_io(dev, buf + 1, len - 1);
break;
}
}
int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
{
struct usb_device *usb_dev = dev->chip.dev;
struct input_dev *input;
int i, ret = 0;
input = input_allocate_device();
if (!input)
return -ENOMEM;
usb_make_path(usb_dev, dev->phys, sizeof(dev->phys));
strlcat(dev->phys, "/input0", sizeof(dev->phys));
input->name = dev->product_name;
input->phys = dev->phys;
usb_to_input_id(usb_dev, &input->id);
input->dev.parent = &usb_dev->dev;
input_set_drvdata(input, dev);
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
BIT_MASK(ABS_Z);
BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk2));
memcpy(dev->keycode, keycode_rk2, sizeof(keycode_rk2));
input->keycodemax = ARRAY_SIZE(keycode_rk2);
input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
BIT_MASK(ABS_Z);
BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk3));
memcpy(dev->keycode, keycode_rk3, sizeof(keycode_rk3));
input->keycodemax = ARRAY_SIZE(keycode_rk3);
input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input->absbit[0] = BIT_MASK(ABS_X);
BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_ak1));
memcpy(dev->keycode, keycode_ak1, sizeof(keycode_ak1));
input->keycodemax = ARRAY_SIZE(keycode_ak1);
input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
snd_usb_caiaq_set_auto_msg(dev, 1, 0, 5);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
BIT_MASK(ABS_Z);
input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_kore));
memcpy(dev->keycode, keycode_kore, sizeof(keycode_kore));
input->keycodemax = ARRAY_SIZE(keycode_kore);
input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
BIT_MASK(ABS_Z);
input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLX1_INPUTS);
for (i = 0; i < KONTROLX1_INPUTS; i++)
dev->keycode[i] = BTN_MISC + i;
input->keycodemax = KONTROLX1_INPUTS;
/* analog potentiometers */
input_set_abs_params(input, ABS_HAT0X, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT0Y, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT1X, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT1Y, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT2X, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT2Y, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT3X, 0, 4096, 0, 10);
input_set_abs_params(input, ABS_HAT3Y, 0, 4096, 0, 10);
/* rotary encoders */
input_set_abs_params(input, ABS_X, 0, 0xf, 0, 1);
input_set_abs_params(input, ABS_Y, 0, 0xf, 0, 1);
input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
dev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, dev);
snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLS4_BUTTONS);
for (i = 0; i < KONTROLS4_BUTTONS; i++)
dev->keycode[i] = KONTROLS4_BUTTON(i);
input->keycodemax = KONTROLS4_BUTTONS;
for (i = 0; i < KONTROLS4_AXIS; i++) {
int axis = KONTROLS4_ABS(i);
input->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
}
/* 36 analog potentiometers and faders */
for (i = 0; i < 36; i++)
input_set_abs_params(input, KONTROLS4_ABS(i), 0, 0xfff, 0, 10);
/* 2 encoder wheels */
input_set_abs_params(input, KONTROLS4_ABS(36), 0, 0x3ff, 0, 1);
input_set_abs_params(input, KONTROLS4_ABS(37), 0, 0x3ff, 0, 1);
/* 9 rotary encoders */
for (i = 0; i < 9; i++)
input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
dev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, dev);
snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
break;
default:
/* no input methods supported on this device */
goto exit_free_idev;
}
input->open = snd_usb_caiaq_input_open;
input->close = snd_usb_caiaq_input_close;
input->keycode = dev->keycode;
input->keycodesize = sizeof(unsigned short);
for (i = 0; i < input->keycodemax; i++)
__set_bit(dev->keycode[i], input->keybit);
ret = input_register_device(input);
if (ret < 0)
goto exit_free_idev;
dev->input_dev = input;
return 0;
exit_free_idev:
input_free_device(input);
return ret;
}
void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *dev)
{
if (!dev || !dev->input_dev)
return;
usb_kill_urb(dev->ep4_in_urb);
usb_free_urb(dev->ep4_in_urb);
dev->ep4_in_urb = NULL;
input_unregister_device(dev->input_dev);
dev->input_dev = NULL;
}