1 files changed, 465 insertions, 0 deletions

diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c
new file mode 100644
index 000000000000..aae78d8a82d9
--- /dev/null
+++ b/sound/usb/line6/toneport.c
@@ -0,0 +1,465 @@
+/*
+ * Line6 Linux USB driver - 0.9.1beta
+ *
+ * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
+ *                         Emil Myhrman (emil.myhrman@gmail.com)
+ *
+ *	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, version 2.
+ *
+ */
+
+#include <linux/wait.h>
+#include <sound/control.h>
+
+#include "audio.h"
+#include "capture.h"
+#include "driver.h"
+#include "playback.h"
+#include "toneport.h"
+
+static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
+
+#define TONEPORT_PCM_DELAY 1
+
+static struct snd_ratden toneport_ratden = {
+	.num_min = 44100,
+	.num_max = 44100,
+	.num_step = 1,
+	.den = 1
+};
+
+static struct line6_pcm_properties toneport_pcm_properties = {
+	.snd_line6_playback_hw = {
+				  .info = (SNDRV_PCM_INFO_MMAP |
+					   SNDRV_PCM_INFO_INTERLEAVED |
+					   SNDRV_PCM_INFO_BLOCK_TRANSFER |
+					   SNDRV_PCM_INFO_MMAP_VALID |
+					   SNDRV_PCM_INFO_PAUSE |
+#ifdef CONFIG_PM
+					   SNDRV_PCM_INFO_RESUME |
+#endif
+					   SNDRV_PCM_INFO_SYNC_START),
+				  .formats = SNDRV_PCM_FMTBIT_S16_LE,
+				  .rates = SNDRV_PCM_RATE_KNOT,
+				  .rate_min = 44100,
+				  .rate_max = 44100,
+				  .channels_min = 2,
+				  .channels_max = 2,
+				  .buffer_bytes_max = 60000,
+				  .period_bytes_min = 64,
+				  .period_bytes_max = 8192,
+				  .periods_min = 1,
+				  .periods_max = 1024},
+	.snd_line6_capture_hw = {
+				 .info = (SNDRV_PCM_INFO_MMAP |
+					  SNDRV_PCM_INFO_INTERLEAVED |
+					  SNDRV_PCM_INFO_BLOCK_TRANSFER |
+					  SNDRV_PCM_INFO_MMAP_VALID |
+#ifdef CONFIG_PM
+					  SNDRV_PCM_INFO_RESUME |
+#endif
+					  SNDRV_PCM_INFO_SYNC_START),
+				 .formats = SNDRV_PCM_FMTBIT_S16_LE,
+				 .rates = SNDRV_PCM_RATE_KNOT,
+				 .rate_min = 44100,
+				 .rate_max = 44100,
+				 .channels_min = 2,
+				 .channels_max = 2,
+				 .buffer_bytes_max = 60000,
+				 .period_bytes_min = 64,
+				 .period_bytes_max = 8192,
+				 .periods_min = 1,
+				 .periods_max = 1024},
+	.snd_line6_rates = {
+			    .nrats = 1,
+			    .rats = &toneport_ratden},
+	.bytes_per_frame = 4
+};
+
+/*
+	For the led on Guitarport.
+	Brightness goes from 0x00 to 0x26. Set a value above this to have led
+	blink.
+	(void cmd_0x02(byte red, byte green)
+*/
+static int led_red = 0x00;
+static int led_green = 0x26;
+
+static const struct {
+	const char *name;
+	int code;
+} toneport_source_info[] = {
+	{"Microphone", 0x0a01},
+	{"Line", 0x0801},
+	{"Instrument", 0x0b01},
+	{"Inst & Mic", 0x0901}
+};
+
+static bool toneport_has_led(enum line6_device_type type)
+{
+	return
+	    (type == LINE6_GUITARPORT) ||
+	    (type == LINE6_TONEPORT_GX);
+	/* add your device here if you are missing support for the LEDs */
+}
+
+static void toneport_update_led(struct device *dev)
+{
+	struct usb_interface *interface = to_usb_interface(dev);
+	struct usb_line6_toneport *tp = usb_get_intfdata(interface);
+	struct usb_line6 *line6;
+
+	if (!tp)
+		return;
+
+	line6 = &tp->line6;
+	if (line6)
+		toneport_send_cmd(line6->usbdev, (led_red << 8) | 0x0002,
+				  led_green);
+}
+
+static ssize_t toneport_set_led_red(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	int retval;
+
+	retval = kstrtoint(buf, 10, &led_red);
+	if (retval)
+		return retval;
+
+	toneport_update_led(dev);
+	return count;
+}
+
+static ssize_t toneport_set_led_green(struct device *dev,
+				      struct device_attribute *attr,
+				      const char *buf, size_t count)
+{
+	int retval;
+
+	retval = kstrtoint(buf, 10, &led_green);
+	if (retval)
+		return retval;
+
+	toneport_update_led(dev);
+	return count;
+}
+
+static DEVICE_ATTR(led_red, S_IWUSR | S_IRUGO, line6_nop_read,
+		   toneport_set_led_red);
+static DEVICE_ATTR(led_green, S_IWUSR | S_IRUGO, line6_nop_read,
+		   toneport_set_led_green);
+
+static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
+{
+	int ret;
+
+	ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
+			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
+			      cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);
+
+	if (ret < 0) {
+		dev_err(&usbdev->dev, "send failed (error %d)\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/* monitor info callback */
+static int snd_toneport_monitor_info(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 256;
+	return 0;
+}
+
+/* monitor get callback */
+static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = line6pcm->volume_monitor;
+	return 0;
+}
+
+/* monitor put callback */
+static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
+
+	if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
+		return 0;
+
+	line6pcm->volume_monitor = ucontrol->value.integer.value[0];
+
+	if (line6pcm->volume_monitor > 0)
+		line6_pcm_acquire(line6pcm, LINE6_BITS_PCM_MONITOR);
+	else
+		line6_pcm_release(line6pcm, LINE6_BITS_PCM_MONITOR);
+
+	return 1;
+}
+
+/* source info callback */
+static int snd_toneport_source_info(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_info *uinfo)
+{
+	const int size = ARRAY_SIZE(toneport_source_info);
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = size;
+
+	if (uinfo->value.enumerated.item >= size)
+		uinfo->value.enumerated.item = size - 1;
+
+	strcpy(uinfo->value.enumerated.name,
+	       toneport_source_info[uinfo->value.enumerated.item].name);
+
+	return 0;
+}
+
+/* source get callback */
+static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
+	struct usb_line6_toneport *toneport =
+	    (struct usb_line6_toneport *)line6pcm->line6;
+	ucontrol->value.enumerated.item[0] = toneport->source;
+	return 0;
+}
+
+/* source put callback */
+static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
+	struct usb_line6_toneport *toneport =
+	    (struct usb_line6_toneport *)line6pcm->line6;
+	unsigned int source;
+
+	source = ucontrol->value.enumerated.item[0];
+	if (source >= ARRAY_SIZE(toneport_source_info))
+		return -EINVAL;
+	if (source == toneport->source)
+		return 0;
+
+	toneport->source = source;
+	toneport_send_cmd(toneport->line6.usbdev,
+			  toneport_source_info[source].code, 0x0000);
+	return 1;
+}
+
+static void toneport_start_pcm(unsigned long arg)
+{
+	struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)arg;
+	struct usb_line6 *line6 = &toneport->line6;
+
+	line6_pcm_acquire(line6->line6pcm, LINE6_BITS_PCM_MONITOR);
+}
+
+/* control definition */
+static struct snd_kcontrol_new toneport_control_monitor = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "Monitor Playback Volume",
+	.index = 0,
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+	.info = snd_toneport_monitor_info,
+	.get = snd_toneport_monitor_get,
+	.put = snd_toneport_monitor_put
+};
+
+/* source selector definition */
+static struct snd_kcontrol_new toneport_control_source = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "PCM Capture Source",
+	.index = 0,
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+	.info = snd_toneport_source_info,
+	.get = snd_toneport_source_get,
+	.put = snd_toneport_source_put
+};
+
+/*
+	Toneport destructor.
+*/
+static void toneport_destruct(struct usb_interface *interface)
+{
+	struct usb_line6_toneport *toneport = usb_get_intfdata(interface);
+
+	if (toneport == NULL)
+		return;
+	line6_cleanup_audio(&toneport->line6);
+}
+
+/*
+	Setup Toneport device.
+*/
+static void toneport_setup(struct usb_line6_toneport *toneport)
+{
+	int ticks;
+	struct usb_line6 *line6 = &toneport->line6;
+	struct usb_device *usbdev = line6->usbdev;
+
+	/* sync time on device with host: */
+	ticks = (int)get_seconds();
+	line6_write_data(line6, 0x80c6, &ticks, 4);
+
+	/* enable device: */
+	toneport_send_cmd(usbdev, 0x0301, 0x0000);
+
+	/* initialize source select: */
+	switch (line6->type) {
+	case LINE6_TONEPORT_UX1:
+	case LINE6_TONEPORT_UX2:
+	case LINE6_PODSTUDIO_UX1:
+	case LINE6_PODSTUDIO_UX2:
+		toneport_send_cmd(usbdev,
+				  toneport_source_info[toneport->source].code,
+				  0x0000);
+	default:
+		break;
+	}
+
+	if (toneport_has_led(line6->type))
+		toneport_update_led(&usbdev->dev);
+}
+
+/*
+	Toneport device disconnected.
+*/
+static void line6_toneport_disconnect(struct usb_interface *interface)
+{
+	struct usb_line6_toneport *toneport;
+	u16 idProduct;
+
+	if (interface == NULL)
+		return;
+
+	toneport = usb_get_intfdata(interface);
+	del_timer_sync(&toneport->timer);
+	idProduct = le16_to_cpu(toneport->line6.usbdev->descriptor.idProduct);
+
+	if (toneport_has_led(idProduct)) {
+		device_remove_file(&interface->dev, &dev_attr_led_red);
+		device_remove_file(&interface->dev, &dev_attr_led_green);
+	}
+
+	if (toneport != NULL) {
+		struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm;
+
+		if (line6pcm != NULL) {
+			line6_pcm_release(line6pcm, LINE6_BITS_PCM_MONITOR);
+			line6_pcm_disconnect(line6pcm);
+		}
+	}
+
+	toneport_destruct(interface);
+}
+
+
+/*
+	 Try to init Toneport device.
+*/
+static int toneport_try_init(struct usb_interface *interface,
+			     struct usb_line6 *line6)
+{
+	int err;
+	struct usb_line6_toneport *toneport =  (struct usb_line6_toneport *) line6;
+
+	if ((interface == NULL) || (toneport == NULL))
+		return -ENODEV;
+
+	line6->disconnect = line6_toneport_disconnect;
+
+	/* initialize audio system: */
+	err = line6_init_audio(line6);
+	if (err < 0)
+		return err;
+
+	/* initialize PCM subsystem: */
+	err = line6_init_pcm(line6, &toneport_pcm_properties);
+	if (err < 0)
+		return err;
+
+	/* register monitor control: */
+	err = snd_ctl_add(line6->card,
+			  snd_ctl_new1(&toneport_control_monitor,
+				       line6->line6pcm));
+	if (err < 0)
+		return err;
+
+	/* register source select control: */
+	switch (line6->type) {
+	case LINE6_TONEPORT_UX1:
+	case LINE6_TONEPORT_UX2:
+	case LINE6_PODSTUDIO_UX1:
+	case LINE6_PODSTUDIO_UX2:
+		err =
+		    snd_ctl_add(line6->card,
+				snd_ctl_new1(&toneport_control_source,
+					     line6->line6pcm));
+		if (err < 0)
+			return err;
+
+	default:
+		break;
+	}
+
+	/* register audio system: */
+	err = line6_register_audio(line6);
+	if (err < 0)
+		return err;
+
+	line6_read_serial_number(line6, &toneport->serial_number);
+	line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
+
+	if (toneport_has_led(line6->type)) {
+		CHECK_RETURN(device_create_file
+			     (&interface->dev, &dev_attr_led_red));
+		CHECK_RETURN(device_create_file
+			     (&interface->dev, &dev_attr_led_green));
+	}
+
+	toneport_setup(toneport);
+
+	init_timer(&toneport->timer);
+	toneport->timer.expires = jiffies + TONEPORT_PCM_DELAY * HZ;
+	toneport->timer.function = toneport_start_pcm;
+	toneport->timer.data = (unsigned long)toneport;
+	add_timer(&toneport->timer);
+
+	return 0;
+}
+
+/*
+	 Init Toneport device (and clean up in case of failure).
+*/
+int line6_toneport_init(struct usb_interface *interface,
+			struct usb_line6 *line6)
+{
+	int err = toneport_try_init(interface, line6);
+
+	if (err < 0)
+		toneport_destruct(interface);
+
+	return err;
+}
+
+/*
+	Resume Toneport device after reset.
+*/
+void line6_toneport_reset_resume(struct usb_line6_toneport *toneport)
+{
+	toneport_setup(toneport);
+}