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Commit d2724de1 authored by Hannes Gräuler's avatar Hannes Gräuler Committed by Takashi Iwai
Browse files

ALSA: snd-usb-caiaq: LED support for Maschine Controller 



This patch adds LED support for the Native Instruments Maschine
Controller. It adds ALSA controls for dimming the LEDs of all
buttons and the backlight of the two displays.

Signed-off-by: default avatarHannes Gräuler <hgraeule@uos.de>
Acked-by: default avatarDaniel Mack <zonque@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent e84841f9

sound/usb/caiaq/control.c

+92 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include "control.h"



#define CNT_INTVAL 0x10000

#define MASCHINE_BANK_SIZE 32



static int control_info(struct snd_kcontrol *kcontrol,

			struct snd_ctl_elem_info *uinfo)
@@ -105,6 +106,10 @@ static int control_put(struct snd_kcontrol *kcontrol, 
		USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1))

		cmd = EP1_CMD_DIMM_LEDS;



	if (cdev->chip.usb_id ==

		USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER))

		cmd = EP1_CMD_DIMM_LEDS;



	if (pos & CNT_INTVAL) {

		int i = pos & ~CNT_INTVAL;
@@ -121,6 +126,20 @@ static int control_put(struct snd_kcontrol *kcontrol, 
				     usb_sndbulkpipe(cdev->chip.dev, 8),

				     cdev->ep8_out_buf, sizeof(cdev->ep8_out_buf),

				     &actual_len, 200);

		} else if (cdev->chip.usb_id ==

			USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER)) {



			int bank = 0;

			int offset = 0;



			if (i >= MASCHINE_BANK_SIZE) {

				bank = 0x1e;

				offset = MASCHINE_BANK_SIZE;

			}



			snd_usb_caiaq_send_command_bank(cdev, cmd, bank,

					cdev->control_state + offset,

					MASCHINE_BANK_SIZE);

		} else {

			snd_usb_caiaq_send_command(cdev, cmd,

					cdev->control_state, sizeof(cdev->control_state));
@@ -490,6 +509,74 @@ static struct caiaq_controller kontrols4_controller[] = { 
	{ "LED: FX2: Mode",			133 | CNT_INTVAL },

};



static struct caiaq_controller maschine_controller[] = {

	{ "LED: Pad 1",				3  | CNT_INTVAL },

	{ "LED: Pad 2",				2  | CNT_INTVAL },

	{ "LED: Pad 3",				1  | CNT_INTVAL },

	{ "LED: Pad 4",				0  | CNT_INTVAL },

	{ "LED: Pad 5",				7  | CNT_INTVAL },

	{ "LED: Pad 6",				6  | CNT_INTVAL },

	{ "LED: Pad 7",				5  | CNT_INTVAL },

	{ "LED: Pad 8",				4  | CNT_INTVAL },

	{ "LED: Pad 9",				11 | CNT_INTVAL },

	{ "LED: Pad 10",			10 | CNT_INTVAL },

	{ "LED: Pad 11",			9  | CNT_INTVAL },

	{ "LED: Pad 12",			8  | CNT_INTVAL },

	{ "LED: Pad 13",			15 | CNT_INTVAL },

	{ "LED: Pad 14",			14 | CNT_INTVAL },

	{ "LED: Pad 15",			13 | CNT_INTVAL },

	{ "LED: Pad 16",			12 | CNT_INTVAL },



	{ "LED: Mute",				16 | CNT_INTVAL },

	{ "LED: Solo",				17 | CNT_INTVAL },

	{ "LED: Select",			18 | CNT_INTVAL },

	{ "LED: Duplicate",			19 | CNT_INTVAL },

	{ "LED: Navigate",			20 | CNT_INTVAL },

	{ "LED: Pad Mode",			21 | CNT_INTVAL },

	{ "LED: Pattern",			22 | CNT_INTVAL },

	{ "LED: Scene",				23 | CNT_INTVAL },



	{ "LED: Shift",				24 | CNT_INTVAL },

	{ "LED: Erase",				25 | CNT_INTVAL },

	{ "LED: Grid",				26 | CNT_INTVAL },

	{ "LED: Right Bottom",			27 | CNT_INTVAL },

	{ "LED: Rec",				28 | CNT_INTVAL },

	{ "LED: Play",				29 | CNT_INTVAL },

	{ "LED: Left Bottom",			32 | CNT_INTVAL },

	{ "LED: Restart",			33 | CNT_INTVAL },



	{ "LED: Group A",			41 | CNT_INTVAL },

	{ "LED: Group B",			40 | CNT_INTVAL },

	{ "LED: Group C",			37 | CNT_INTVAL },

	{ "LED: Group D",			36 | CNT_INTVAL },

	{ "LED: Group E",			39 | CNT_INTVAL },

	{ "LED: Group F",			38 | CNT_INTVAL },

	{ "LED: Group G",			35 | CNT_INTVAL },

	{ "LED: Group H",			34 | CNT_INTVAL },



	{ "LED: Auto Write",			42 | CNT_INTVAL },

	{ "LED: Snap",				43 | CNT_INTVAL },

	{ "LED: Right Top",			44 | CNT_INTVAL },

	{ "LED: Left Top",			45 | CNT_INTVAL },

	{ "LED: Sampling",			46 | CNT_INTVAL },

	{ "LED: Browse",			47 | CNT_INTVAL },

	{ "LED: Step",				48 | CNT_INTVAL },

	{ "LED: Control",			49 | CNT_INTVAL },



	{ "LED: Top Button 1",			57 | CNT_INTVAL },

	{ "LED: Top Button 2",			56 | CNT_INTVAL },

	{ "LED: Top Button 3",			55 | CNT_INTVAL },

	{ "LED: Top Button 4",			54 | CNT_INTVAL },

	{ "LED: Top Button 5",			53 | CNT_INTVAL },

	{ "LED: Top Button 6",			52 | CNT_INTVAL },

	{ "LED: Top Button 7",			51 | CNT_INTVAL },

	{ "LED: Top Button 8",			50 | CNT_INTVAL },



	{ "LED: Note Repeat",			58 | CNT_INTVAL },



	{ "Backlight Display",			59 | CNT_INTVAL }

};



static int add_controls(struct caiaq_controller *c, int num,

			struct snd_usb_caiaqdev *cdev)

{
@@ -553,6 +640,11 @@ int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev) 
		ret = add_controls(kontrols4_controller,

			ARRAY_SIZE(kontrols4_controller), cdev);

		break;



	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):

		ret = add_controls(maschine_controller,

			ARRAY_SIZE(maschine_controller), cdev);

		break;

	}



	return ret;

sound/usb/caiaq/device.c

+25 −0
Original line number Diff line number Diff line
@@ -235,6 +235,31 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev, 
			   cdev->ep1_out_buf, len+1, &actual_len, 200);

}



int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,

			       unsigned char command,

			       unsigned char bank,

			       const unsigned char *buffer,

			       int len)

{

	int actual_len;

	struct usb_device *usb_dev = cdev->chip.dev;



	if (!usb_dev)

		return -EIO;



	if (len > EP1_BUFSIZE - 2)

		len = EP1_BUFSIZE - 2;



	if (buffer && len > 0)

		memcpy(cdev->ep1_out_buf+2, buffer, len);



	cdev->ep1_out_buf[0] = command;

	cdev->ep1_out_buf[1] = bank;



	return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),

			   cdev->ep1_out_buf, len+2, &actual_len, 200);

}



int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,

		   		    int rate, int depth, int bpp)

{

sound/usb/caiaq/device.h

+5 −0
Original line number Diff line number Diff line
@@ -128,5 +128,10 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev, 
			       unsigned char command,

			       const unsigned char *buffer,

			       int len);

int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,

			       unsigned char command,

			       unsigned char bank,

			       const unsigned char *buffer,

			       int len);



#endif /* CAIAQ_DEVICE_H */