ALSA: usb/caiaq: Add support for Traktor Kontrol X1
This device does not have audio controllers and backlit buttons only.
Input data is handled over a dedicated USB endpoint.
All functions are supported by the driver now.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index a48d309..27ed0bc 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/usb/input.h>
+#include <sound/core.h>
#include <sound/pcm.h>
#include "device.h"
@@ -65,6 +66,8 @@
KEY_BRL_DOT5
};
+#define KONTROLX1_INPUTS 40
+
#define DEG90 (range / 2)
#define DEG180 (range)
#define DEG270 (DEG90 + DEG180)
@@ -162,6 +165,17 @@
input_report_abs(input_dev, ABS_Z, (buf[4] << 8) | buf[5]);
input_sync(input_dev);
break;
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ input_report_abs(input_dev, ABS_HAT0X, (buf[8] << 8) | buf[9]);
+ input_report_abs(input_dev, ABS_HAT0Y, (buf[4] << 8) | buf[5]);
+ input_report_abs(input_dev, ABS_HAT1X, (buf[12] << 8) | buf[13]);
+ input_report_abs(input_dev, ABS_HAT1Y, (buf[2] << 8) | buf[3]);
+ input_report_abs(input_dev, ABS_HAT2X, (buf[15] << 8) | buf[15]);
+ input_report_abs(input_dev, ABS_HAT2Y, (buf[0] << 8) | buf[1]);
+ input_report_abs(input_dev, ABS_HAT3X, (buf[10] << 8) | buf[11]);
+ input_report_abs(input_dev, ABS_HAT3Y, (buf[6] << 8) | buf[7]);
+ input_sync(input_dev);
+ break;
}
}
@@ -201,7 +215,7 @@
}
static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
- char *buf, unsigned int len)
+ unsigned char *buf, unsigned int len)
{
struct input_dev *input_dev = dev->input_dev;
unsigned short *keycode = input_dev->keycode;
@@ -218,15 +232,84 @@
input_report_key(input_dev, keycode[i],
buf[i / 8] & (1 << (i % 8)));
- if (dev->chip.usb_id ==
- USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER) ||
- dev->chip.usb_id ==
- USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2))
+ 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);
}
+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;
+
+ if (urb->actual_length < 24)
+ goto requeue;
+
+ switch (dev->chip.usb_id) {
+ case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+ 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;
+ }
+
+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):
+ 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):
+ usb_kill_urb(dev->ep4_in_urb);
+ break;
+ }
+}
+
void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev,
char *buf,
unsigned int len)
@@ -251,7 +334,7 @@
{
struct usb_device *usb_dev = dev->chip.dev;
struct input_dev *input;
- int i, ret;
+ int i, ret = 0;
input = input_allocate_device();
if (!input)
@@ -265,7 +348,9 @@
usb_to_input_id(usb_dev, &input->id);
input->dev.parent = &usb_dev->dev;
- switch (dev->chip.usb_id) {
+ 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) |
@@ -326,25 +411,72 @@
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;
default:
/* no input methods supported on this device */
- input_free_device(input);
- return 0;
+ 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) {
- input_free_device(input);
- return ret;
- }
+ 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)
@@ -352,6 +484,10 @@
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;
}
