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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: Hannes Gräuler <hgraeule@uos.de>
Acked-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Hannes Gräuler 2013-09-28 21:51:08 +02:00 committed by Takashi Iwai
parent e84841f9ba
commit d2724de187
3 changed files with 122 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
sound/usb/caiaq/control.c
View File

@ -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;

25
sound/usb/caiaq/device.c
View File

@ -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)
{

5
sound/usb/caiaq/device.h
View File

@ -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 */