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linux-brain/sound/usb/caiaq/input.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
*/
#include <linux/device.h>
#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 MASCHINE_BUTTONS (42)
#define MASCHINE_BUTTON(X) ((X) + BTN_MISC)
#define MASCHINE_PADS (16)
#define MASCHINE_PAD(X) ((X) + ABS_PRESSURE)
static unsigned short keycode_maschine[] = {
MASCHINE_BUTTON(40), /* mute */
MASCHINE_BUTTON(39), /* solo */
MASCHINE_BUTTON(38), /* select */
MASCHINE_BUTTON(37), /* duplicate */
MASCHINE_BUTTON(36), /* navigate */
MASCHINE_BUTTON(35), /* pad mode */
MASCHINE_BUTTON(34), /* pattern */
MASCHINE_BUTTON(33), /* scene */
KEY_RESERVED, /* spacer */
MASCHINE_BUTTON(30), /* rec */
MASCHINE_BUTTON(31), /* erase */
MASCHINE_BUTTON(32), /* shift */
MASCHINE_BUTTON(28), /* grid */
MASCHINE_BUTTON(27), /* > */
MASCHINE_BUTTON(26), /* < */
MASCHINE_BUTTON(25), /* restart */
MASCHINE_BUTTON(21), /* E */
MASCHINE_BUTTON(22), /* F */
MASCHINE_BUTTON(23), /* G */
MASCHINE_BUTTON(24), /* H */
MASCHINE_BUTTON(20), /* D */
MASCHINE_BUTTON(19), /* C */
MASCHINE_BUTTON(18), /* B */
MASCHINE_BUTTON(17), /* A */
MASCHINE_BUTTON(0), /* control */
MASCHINE_BUTTON(2), /* browse */
MASCHINE_BUTTON(4), /* < */
MASCHINE_BUTTON(6), /* snap */
MASCHINE_BUTTON(7), /* autowrite */
MASCHINE_BUTTON(5), /* > */
MASCHINE_BUTTON(3), /* sampling */
MASCHINE_BUTTON(1), /* step */
MASCHINE_BUTTON(15), /* 8 softkeys */
MASCHINE_BUTTON(14),
MASCHINE_BUTTON(13),
MASCHINE_BUTTON(12),
MASCHINE_BUTTON(11),
MASCHINE_BUTTON(10),
MASCHINE_BUTTON(9),
MASCHINE_BUTTON(8),
MASCHINE_BUTTON(16), /* note repeat */
MASCHINE_BUTTON(29) /* play */
};
#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 *cdev,
int axis, const unsigned char *buf,
int offset)
{
input_report_abs(cdev->input_dev, axis,
(buf[offset * 2] << 8) | buf[offset * 2 + 1]);
}
static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *cdev,
const unsigned char *buf,
unsigned int len)
{
struct input_dev *input_dev = cdev->input_dev;
switch (cdev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
snd_caiaq_input_report_abs(cdev, ABS_X, buf, 2);
snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 0);
snd_caiaq_input_report_abs(cdev, 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(cdev, ABS_X, buf, 0);
snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 1);
snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 2);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
snd_caiaq_input_report_abs(cdev, ABS_HAT0X, buf, 4);
snd_caiaq_input_report_abs(cdev, ABS_HAT0Y, buf, 2);
snd_caiaq_input_report_abs(cdev, ABS_HAT1X, buf, 6);
snd_caiaq_input_report_abs(cdev, ABS_HAT1Y, buf, 1);
snd_caiaq_input_report_abs(cdev, ABS_HAT2X, buf, 7);
snd_caiaq_input_report_abs(cdev, ABS_HAT2Y, buf, 0);
snd_caiaq_input_report_abs(cdev, ABS_HAT3X, buf, 5);
snd_caiaq_input_report_abs(cdev, ABS_HAT3Y, buf, 3);
break;
}
input_sync(input_dev);
}
static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *cdev,
const char *buf, unsigned int len)
{
struct input_dev *input_dev = cdev->input_dev;
int i;
switch (cdev->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;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
/* 4 under the left screen */
input_report_abs(input_dev, ABS_HAT0X, decode_erp(buf[21], buf[20]));
input_report_abs(input_dev, ABS_HAT0Y, decode_erp(buf[15], buf[14]));
input_report_abs(input_dev, ABS_HAT1X, decode_erp(buf[9], buf[8]));
input_report_abs(input_dev, ABS_HAT1Y, decode_erp(buf[3], buf[2]));
/* 4 under the right screen */
input_report_abs(input_dev, ABS_HAT2X, decode_erp(buf[19], buf[18]));
input_report_abs(input_dev, ABS_HAT2Y, decode_erp(buf[13], buf[12]));
input_report_abs(input_dev, ABS_HAT3X, decode_erp(buf[7], buf[6]));
input_report_abs(input_dev, ABS_HAT3Y, decode_erp(buf[1], buf[0]));
/* volume */
input_report_abs(input_dev, ABS_RX, decode_erp(buf[17], buf[16]));
/* tempo */
input_report_abs(input_dev, ABS_RY, decode_erp(buf[11], buf[10]));
/* swing */
input_report_abs(input_dev, ABS_RZ, decode_erp(buf[5], buf[4]));
input_sync(input_dev);
break;
}
}
static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *cdev,
unsigned char *buf, unsigned int len)
{
struct input_dev *input_dev = cdev->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 (cdev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
input_report_abs(cdev->input_dev, ABS_MISC, 255 - buf[4]);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
/* rotary encoders */
input_report_abs(cdev->input_dev, ABS_X, buf[5] & 0xf);
input_report_abs(cdev->input_dev, ABS_Y, buf[5] >> 4);
input_report_abs(cdev->input_dev, ABS_Z, buf[6] & 0xf);
input_report_abs(cdev->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 *cdev,
const unsigned char *buf,
unsigned int len)
{
struct device *dev = caiaqdev_to_dev(cdev);
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(cdev->input_dev, KONTROLS4_BUTTON(i),
(buf[4 + (i / 8)] >> (i % 8)) & 1);
break;
case 1:
/* left wheel */
input_report_abs(cdev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
/* right wheel */
input_report_abs(cdev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
/* rotary encoders */
input_report_abs(cdev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
input_report_abs(cdev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
break;
case 2:
/* Volume Fader Channel D */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(0), buf, 1);
/* Volume Fader Channel B */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(1), buf, 2);
/* Volume Fader Channel A */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(2), buf, 3);
/* Volume Fader Channel C */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(3), buf, 4);
/* Loop Volume */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(4), buf, 6);
/* Crossfader */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(7), buf, 7);
break;
case 3:
/* Tempo Fader R */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(6), buf, 3);
/* Tempo Fader L */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(5), buf, 4);
/* Mic Volume */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(8), buf, 6);
/* Cue Mix */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(9), buf, 7);
break;
case 4:
/* Wheel distance sensor L */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(10), buf, 1);
/* Wheel distance sensor R */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(11), buf, 2);
/* Channel D EQ - Filter */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(12), buf, 3);
/* Channel D EQ - Low */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(13), buf, 4);
/* Channel D EQ - Mid */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(14), buf, 5);
/* Channel D EQ - Hi */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(15), buf, 6);
/* FX2 - dry/wet */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(16), buf, 7);
break;
case 5:
/* FX2 - 1 */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(17), buf, 1);
/* FX2 - 2 */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(18), buf, 2);
/* FX2 - 3 */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(19), buf, 3);
/* Channel B EQ - Filter */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(20), buf, 4);
/* Channel B EQ - Low */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(21), buf, 5);
/* Channel B EQ - Mid */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(22), buf, 6);
/* Channel B EQ - Hi */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(23), buf, 7);
break;
case 6:
/* Channel A EQ - Filter */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(24), buf, 1);
/* Channel A EQ - Low */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(25), buf, 2);
/* Channel A EQ - Mid */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(26), buf, 3);
/* Channel A EQ - Hi */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(27), buf, 4);
/* Channel C EQ - Filter */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(28), buf, 5);
/* Channel C EQ - Low */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(29), buf, 6);
/* Channel C EQ - Mid */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(30), buf, 7);
break;
case 7:
/* Channel C EQ - Hi */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(31), buf, 1);
/* FX1 - wet/dry */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(32), buf, 2);
/* FX1 - 1 */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(33), buf, 3);
/* FX1 - 2 */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(34), buf, 4);
/* FX1 - 3 */
snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(35), buf, 5);
break;
default:
dev_dbg(dev, "%s(): bogus block (id %d)\n",
__func__, block_id);
return;
}
len -= TKS4_MSGBLOCK_SIZE;
buf += TKS4_MSGBLOCK_SIZE;
}
input_sync(cdev->input_dev);
}
#define MASCHINE_MSGBLOCK_SIZE 2
static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
const unsigned char *buf,
unsigned int len)
{
unsigned int i, pad_id;
__le16 *pressure = (__le16 *) buf;
for (i = 0; i < MASCHINE_PADS; i++) {
pad_id = le16_to_cpu(*pressure) >> 12;
input_report_abs(cdev->input_dev, MASCHINE_PAD(pad_id),
le16_to_cpu(*pressure) & 0xfff);
pressure++;
}
input_sync(cdev->input_dev);
}
static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
{
struct snd_usb_caiaqdev *cdev = urb->context;
unsigned char *buf = urb->transfer_buffer;
struct device *dev = &urb->dev->dev;
int ret;
if (urb->status || !cdev || urb != cdev->ep4_in_urb)
return;
switch (cdev->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(cdev, buf + 1, 7);
if (buf[0] & 0x4)
snd_caiaq_input_read_analog(cdev, buf + 8, 16);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
snd_usb_caiaq_tks4_dispatch(cdev, buf, urb->actual_length);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))
goto requeue;
snd_usb_caiaq_maschine_dispatch(cdev, buf, urb->actual_length);
break;
}
requeue:
cdev->ep4_in_urb->actual_length = 0;
ret = usb_submit_urb(cdev->ep4_in_urb, GFP_ATOMIC);
if (ret < 0)
dev_err(dev, "unable to submit urb. OOM!?\n");
}
static int snd_usb_caiaq_input_open(struct input_dev *idev)
{
struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
if (!cdev)
return -EINVAL;
switch (cdev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
if (usb_submit_urb(cdev->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 *cdev = input_get_drvdata(idev);
if (!cdev)
return;
switch (cdev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
usb_kill_urb(cdev->ep4_in_urb);
break;
}
}
void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev,
char *buf,
unsigned int len)
{
if (!cdev->input_dev || len < 1)
return;
switch (buf[0]) {
case EP1_CMD_READ_ANALOG:
snd_caiaq_input_read_analog(cdev, buf + 1, len - 1);
break;
case EP1_CMD_READ_ERP:
snd_caiaq_input_read_erp(cdev, buf + 1, len - 1);
break;
case EP1_CMD_READ_IO:
snd_caiaq_input_read_io(cdev, buf + 1, len - 1);
break;
}
}
int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
{
struct usb_device *usb_dev = cdev->chip.dev;
struct input_dev *input;
int i, ret = 0;
input = input_allocate_device();
if (!input)
return -ENOMEM;
usb_make_path(usb_dev, cdev->phys, sizeof(cdev->phys));
strlcat(cdev->phys, "/input0", sizeof(cdev->phys));
input->name = cdev->product_name;
input->phys = cdev->phys;
usb_to_input_id(usb_dev, &input->id);
input->dev.parent = &usb_dev->dev;
input_set_drvdata(input, cdev);
switch (cdev->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(cdev->keycode) < sizeof(keycode_rk2));
memcpy(cdev->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(cdev, 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(cdev->keycode) < sizeof(keycode_rk3));
memcpy(cdev->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(cdev, 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(cdev->keycode) < sizeof(keycode_ak1));
memcpy(cdev->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(cdev, 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(cdev->keycode) < sizeof(keycode_kore));
memcpy(cdev->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(cdev, 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(cdev->keycode) < KONTROLX1_INPUTS);
for (i = 0; i < KONTROLX1_INPUTS; i++)
cdev->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);
cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!cdev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
cdev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, cdev);
ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
if (ret < 0)
goto exit_free_idev;
snd_usb_caiaq_set_auto_msg(cdev, 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(cdev->keycode) < KONTROLS4_BUTTONS);
for (i = 0; i < KONTROLS4_BUTTONS; i++)
cdev->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);
cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!cdev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
cdev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, cdev);
ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
if (ret < 0)
goto exit_free_idev;
snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
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_RX) | BIT_MASK(ABS_RY) |
BIT_MASK(ABS_RZ);
BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_maschine));
memcpy(cdev->keycode, keycode_maschine, sizeof(keycode_maschine));
input->keycodemax = ARRAY_SIZE(keycode_maschine);
for (i = 0; i < MASCHINE_PADS; i++) {
input->absbit[0] |= MASCHINE_PAD(i);
input_set_abs_params(input, MASCHINE_PAD(i), 0, 0xfff, 5, 10);
}
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_RX, 0, 999, 0, 10);
input_set_abs_params(input, ABS_RY, 0, 999, 0, 10);
input_set_abs_params(input, ABS_RZ, 0, 999, 0, 10);
cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!cdev->ep4_in_urb) {
ret = -ENOMEM;
goto exit_free_idev;
}
usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
usb_rcvbulkpipe(usb_dev, 0x4),
cdev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, cdev);
ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
if (ret < 0)
goto exit_free_idev;
snd_usb_caiaq_set_auto_msg(cdev, 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 = cdev->keycode;
input->keycodesize = sizeof(unsigned short);
for (i = 0; i < input->keycodemax; i++)
__set_bit(cdev->keycode[i], input->keybit);
cdev->input_dev = input;
ret = input_register_device(input);
if (ret < 0)
goto exit_free_idev;
return 0;
exit_free_idev:
input_free_device(input);
cdev->input_dev = NULL;
return ret;
}
void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
{
if (!cdev || !cdev->input_dev)
return;
usb_kill_urb(cdev->ep4_in_urb);
usb_free_urb(cdev->ep4_in_urb);
cdev->ep4_in_urb = NULL;
input_unregister_device(cdev->input_dev);
cdev->input_dev = NULL;
}
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