summaryrefslogtreecommitdiffstats
path: root/sound/usb/caiaq/input.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sound/usb/caiaq/input.c843
1 files changed, 843 insertions, 0 deletions
diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
new file mode 100644
index 000000000..84f26dce7
--- /dev/null
+++ b/sound/usb/caiaq/input.c
@@ -0,0 +1,843 @@
+// 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,
+ KEY_5, KEY_6, KEY_7 };
+static const unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
+ KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
+
+static const 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 const 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 */
+ ret = -EINVAL;
+ 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;
+}