// 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 const unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };static const unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,static const unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,static const unsigned short keycode_kore[] = {/* "menu" */ /* "lcd backlight */ /* "control" */ /* "enter" */ /* "view" */ /* "esc" */ /* "sound" */ /* array spacer, never triggered. */ /* "listen" */ /* 8 softkeys */ /* touch sensitive knobs */ #define MASCHINE_BUTTONS (42 )#define MASCHINE_BUTTON(X) ((X) + BTN_MISC)#define MASCHINE_PADS (16 )#define MASCHINE_PAD(X) ((X) + ABS_PRESSURE)static const unsigned short keycode_maschine[] = {40 ), /* mute */ 39 ), /* solo */ 38 ), /* select */ 37 ), /* duplicate */ 36 ), /* navigate */ 35 ), /* pad mode */ 34 ), /* pattern */ 33 ), /* scene */ /* spacer */ 30 ), /* rec */ 31 ), /* erase */ 32 ), /* shift */ 28 ), /* grid */ 27 ), /* > */ 26 ), /* < */ 25 ), /* restart */ 21 ), /* E */ 22 ), /* F */ 23 ), /* G */ 24 ), /* H */ 20 ), /* D */ 19 ), /* C */ 18 ), /* B */ 17 ), /* A */ 0 ), /* control */ 2 ), /* browse */ 4 ), /* < */ 6 ), /* snap */ 7 ), /* autowrite */ 5 ), /* > */ 3 ), /* sampling */ 1 ), /* step */ 15 ), /* 8 softkeys */ 14 ),13 ),12 ),11 ),10 ),9 ),8 ),16 ), /* note repeat */ 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 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 ;2 - 100 ) / 2 ;if (weight_b < 0 )0 ;if (weight_b > 100 )100 ;100 - weight_b;if (a < mid_value) {/* 0..90 and 270..360 degrees */ if (pos_b >= DEG360)else /* 90..270 degrees */ if (b > mid_value)/* 0..180 degrees */ else /* 180..360 degrees */ /* interpolate both slider values, depending on weight factors */ /* 0..99 x DEG360 */ /* normalize to 0..999 */ 10 ;if (ret < 0 )1000 ;if (ret >= 1000 )1000 ;return ret;#undef DEG90#undef DEG180#undef DEG270#undef DEG360#undef HIGH_PEAK#undef LOW_PEAKstatic inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *cdev,int axis, const unsigned char *buf,int 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):2 );0 );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):0 );1 );2 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):4 );2 );6 );1 );7 );0 );5 );3 );break ;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):0 ], buf[1 ]);break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):7 ], buf[5 ]);12 ], buf[14 ]);15 ], buf[13 ]);0 ], buf[2 ]);3 ], buf[1 ]);8 ], buf[10 ]);11 ], buf[9 ]);4 ], buf[6 ]);break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):/* 4 under the left screen */ 21 ], buf[20 ]));15 ], buf[14 ]));9 ], buf[8 ]));3 ], buf[2 ]));/* 4 under the right screen */ 19 ], buf[18 ]));13 ], buf[12 ]));7 ], buf[6 ]));1 ], buf[0 ]));/* volume */ 17 ], buf[16 ]));/* tempo */ 11 ], buf[10 ]));/* swing */ 5 ], buf[4 ]));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++)for (i = 0 ; i < input_dev->keycodemax && i < len * 8 ; 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):255 - buf[4 ]);break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):/* rotary encoders */ 5 ] & 0 xf);5 ] >> 4 );6 ] & 0 xf);6 ] >> 4 );break ;#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++)4 + (i / 8 )] >> (i % 8 )) & 1 );break ;case 1 :/* left wheel */ 36 ), buf[9 ] | ((buf[8 ] & 0 x3) << 8 ));/* right wheel */ 37 ), buf[13 ] | ((buf[12 ] & 0 x3) << 8 ));/* rotary encoders */ 38 ), buf[3 ] & 0 xf);39 ), buf[4 ] >> 4 );40 ), buf[4 ] & 0 xf);41 ), buf[5 ] >> 4 );42 ), buf[5 ] & 0 xf);43 ), buf[6 ] >> 4 );44 ), buf[6 ] & 0 xf);45 ), buf[7 ] >> 4 );46 ), buf[7 ] & 0 xf);break ;case 2 :/* Volume Fader Channel D */ 0 ), buf, 1 );/* Volume Fader Channel B */ 1 ), buf, 2 );/* Volume Fader Channel A */ 2 ), buf, 3 );/* Volume Fader Channel C */ 3 ), buf, 4 );/* Loop Volume */ 4 ), buf, 6 );/* Crossfader */ 7 ), buf, 7 );break ;case 3 :/* Tempo Fader R */ 6 ), buf, 3 );/* Tempo Fader L */ 5 ), buf, 4 );/* Mic Volume */ 8 ), buf, 6 );/* Cue Mix */ 9 ), buf, 7 );break ;case 4 :/* Wheel distance sensor L */ 10 ), buf, 1 );/* Wheel distance sensor R */ 11 ), buf, 2 );/* Channel D EQ - Filter */ 12 ), buf, 3 );/* Channel D EQ - Low */ 13 ), buf, 4 );/* Channel D EQ - Mid */ 14 ), buf, 5 );/* Channel D EQ - Hi */ 15 ), buf, 6 );/* FX2 - dry/wet */ 16 ), buf, 7 );break ;case 5 :/* FX2 - 1 */ 17 ), buf, 1 );/* FX2 - 2 */ 18 ), buf, 2 );/* FX2 - 3 */ 19 ), buf, 3 );/* Channel B EQ - Filter */ 20 ), buf, 4 );/* Channel B EQ - Low */ 21 ), buf, 5 );/* Channel B EQ - Mid */ 22 ), buf, 6 );/* Channel B EQ - Hi */ 23 ), buf, 7 );break ;case 6 :/* Channel A EQ - Filter */ 24 ), buf, 1 );/* Channel A EQ - Low */ 25 ), buf, 2 );/* Channel A EQ - Mid */ 26 ), buf, 3 );/* Channel A EQ - Hi */ 27 ), buf, 4 );/* Channel C EQ - Filter */ 28 ), buf, 5 );/* Channel C EQ - Low */ 29 ), buf, 6 );/* Channel C EQ - Mid */ 30 ), buf, 7 );break ;case 7 :/* Channel C EQ - Hi */ 31 ), buf, 1 );/* FX1 - wet/dry */ 32 ), buf, 2 );/* FX1 - 1 */ 33 ), buf, 3 );/* FX1 - 2 */ 34 ), buf, 4 );/* FX1 - 3 */ 35 ), buf, 5 );break ;default :"%s(): bogus block (id %d)\n" ,return ;#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;for (i = 0 ; i < MASCHINE_PADS; i++) {12 ;0 xfff);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 ] & 0 x3)1 , 7 );if (buf[0 ] & 0 x4)8 , 16 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))goto requeue;break ;0 ;if (ret < 0 )"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):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:1 , len - 1 );break ;case EP1_CMD_READ_ERP:1 , len - 1 );break ;case EP1_CMD_READ_IO: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 ;if (!input)return -ENOMEM;sizeof (cdev->phys));"/input0" , sizeof (cdev->phys));switch (cdev->chip.usb_id) {case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);0 ] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |sizeof (cdev->keycode) < sizeof (keycode_rk2));sizeof (keycode_rk2));0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );1 , 10 , 0 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);0 ] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |sizeof (cdev->keycode) < sizeof (keycode_rk3));sizeof (keycode_rk3));0 , 1024 , 0 , 10 );0 , 1024 , 0 , 10 );0 , 1024 , 0 , 10 );1 , 10 , 0 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);0 ] = BIT_MASK(ABS_X);sizeof (cdev->keycode) < sizeof (keycode_ak1));sizeof (keycode_ak1));0 , 999 , 0 , 10 );1 , 0 , 5 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);0 ] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |sizeof (cdev->keycode) < sizeof (keycode_kore));sizeof (keycode_kore));0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 255 , 0 , 1 );1 , 10 , 5 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);0 ] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |sizeof (cdev->keycode) < KONTROLX1_INPUTS);for (i = 0 ; i < KONTROLX1_INPUTS; i++)/* analog potentiometers */ 0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );0 , 4096 , 0 , 10 );/* rotary encoders */ 0 , 0 xf, 0 , 1 );0 , 0 xf, 0 , 1 );0 , 0 xf, 0 , 1 );0 , 0 xf, 0 , 1 );0 , GFP_KERNEL);if (!cdev->ep4_in_urb) {goto exit_free_idev;0 x4),if (ret < 0 )goto exit_free_idev;1 , 10 , 5 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);sizeof (cdev->keycode) < KONTROLS4_BUTTONS);for (i = 0 ; i < KONTROLS4_BUTTONS; i++)for (i = 0 ; i < KONTROLS4_AXIS; i++) {int axis = KONTROLS4_ABS(i);/* 36 analog potentiometers and faders */ for (i = 0 ; i < 36 ; i++)0 , 0 xfff, 0 , 10 );/* 2 encoder wheels */ 36 ), 0 , 0 x3ff, 0 , 1 );37 ), 0 , 0 x3ff, 0 , 1 );/* 9 rotary encoders */ for (i = 0 ; i < 9 ; i++)38 +i), 0 , 0 xf, 0 , 1 );0 , GFP_KERNEL);if (!cdev->ep4_in_urb) {goto exit_free_idev;0 x4),if (ret < 0 )goto exit_free_idev;1 , 10 , 5 );break ;case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):0 ] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);0 ] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |sizeof (cdev->keycode) < sizeof (keycode_maschine));sizeof (keycode_maschine));for (i = 0 ; i < MASCHINE_PADS; i++) {0 ] |= MASCHINE_PAD(i);0 , 0 xfff, 5 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , 999 , 0 , 10 );0 , GFP_KERNEL);if (!cdev->ep4_in_urb) {goto exit_free_idev;0 x4),if (ret < 0 )goto exit_free_idev;1 , 10 , 5 );break ;default :/* no input methods supported on this device */ goto exit_free_idev;sizeof (unsigned short );for (i = 0 ; i < input->keycodemax; i++)if (ret < 0 )goto exit_free_idev;return 0 ;return ret;void snd_usb_caiaq_input_disconnect(struct snd_usb_caiaqdev *cdev)if (!cdev || !cdev->input_dev)return ;void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)if (!cdev || !cdev->input_dev)return ;
Messung V0.5 in Prozent C=95 H=92 G=93
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-06-08)
¤ *© Formatika GbR, Deutschland
