/* * 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 #include #include #include #include #include #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_5, KEY_6 }; 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; }