staging: line6: sync with upstream

Big upstream sync.

Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 268 insertions, 69 deletions

diff --git a/drivers/staging/line6/toneport.c b/drivers/staging/line6/toneport.c
index e6770ea..0e7e871 100644
--- a/drivers/staging/line6/toneport.c
+++ b/drivers/staging/line6/toneport.c
@@ -1,7 +1,7 @@
 /*
- * Line6 Linux USB driver - 0.8.0
+ * Line6 Linux USB driver - 0.9.0
  *
- * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
+ * 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
@@ -10,15 +10,22 @@
  *
  */
 
-#include "driver.h"
+#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,
@@ -28,43 +35,52 @@ static struct snd_ratden toneport_ratden = {
 
 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 |
-					   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 = 180 * 4,
-				  .period_bytes_max = 8192,
-				  .periods_min = 1,
-				  .periods_max = 1024},
+		.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 |
-					  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 = 188 * 4,
-				 .period_bytes_max = 8192,
-				 .periods_min = 1,
-				 .periods_max = 1024},
+		.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},
+		.nrats = 1,
+		.rats = &toneport_ratden
+	},
 	.bytes_per_frame = 4
 };
 
@@ -77,6 +93,27 @@ static struct line6_pcm_properties toneport_pcm_properties = {
 static int led_red = 0x00;
 static int led_green = 0x26;
 
+struct ToneportSourceInfo
+{
+	const char *name;
+	int code;
+};
+
+static const struct ToneportSourceInfo toneport_source_info[] = {
+	{ "Microphone", 0x0a01 },
+	{ "Line"      , 0x0801 },
+	{ "Instrument", 0x0b01 },
+	{ "Inst & Mic", 0x0901 }
+};
+
+static bool toneport_has_led(short product)
+{
+	return
+		(product == LINE6_DEVID_GUITARPORT) ||
+		(product == LINE6_DEVID_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);
@@ -129,6 +166,7 @@ static DEVICE_ATTR(led_red, S_IWUGO | S_IRUGO, line6_nop_read,
 static DEVICE_ATTR(led_green, S_IWUGO | S_IRUGO, line6_nop_read,
 		   toneport_set_led_green);
 
+
 static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
 {
 	int ret;
@@ -145,6 +183,111 @@ static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
 	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];
+	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;
+
+	if(ucontrol->value.enumerated.item[0] == toneport->source)
+		return 0;
+
+	toneport->source = ucontrol->value.enumerated.item[0];
+	toneport_send_cmd(toneport->line6.usbdev, toneport_source_info[toneport->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_start(line6->line6pcm, MASK_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.
 */
@@ -162,14 +305,41 @@ static void toneport_destruct(struct usb_interface *interface)
 }
 
 /*
-	 Init Toneport device.
+	Setup Toneport device.
 */
-int toneport_init(struct usb_interface *interface,
-		  struct usb_line6_toneport *toneport)
+static void toneport_setup(struct usb_line6_toneport *toneport)
 {
-	int err, ticks;
+	int ticks;
 	struct usb_line6 *line6 = &toneport->line6;
-	struct usb_device *usbdev;
+	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(usbdev->descriptor.idProduct) {
+	case LINE6_DEVID_TONEPORT_UX1:
+	case LINE6_DEVID_PODSTUDIO_UX1:
+		toneport_send_cmd(usbdev, toneport_source_info[toneport->source].code, 0x0000);
+	}
+
+	if (toneport_has_led(usbdev->descriptor.idProduct))
+		toneport_update_led(&usbdev->dev);
+}
+
+/*
+	 Try to init Toneport device.
+*/
+static int toneport_try_init(struct usb_interface *interface,
+			     struct usb_line6_toneport *toneport)
+{
+	int err;
+	struct usb_line6 *line6 = &toneport->line6;
+	struct usb_device *usbdev = line6->usbdev;
 
 	if ((interface == NULL) || (toneport == NULL))
 		return -ENODEV;
@@ -177,64 +347,93 @@ int toneport_init(struct usb_interface *interface,
 	/* initialize audio system: */
 	err = line6_init_audio(line6);
 	if (err < 0) {
-		toneport_destruct(interface);
 		return err;
 	}
 
 	/* initialize PCM subsystem: */
 	err = line6_init_pcm(line6, &toneport_pcm_properties);
 	if (err < 0) {
-		toneport_destruct(interface);
 		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(usbdev->descriptor.idProduct) {
+	case LINE6_DEVID_TONEPORT_UX1:
+	case LINE6_DEVID_PODSTUDIO_UX1:
+		err = snd_ctl_add(line6->card, snd_ctl_new1(&toneport_control_source, line6->line6pcm));
+		if (err < 0) {
+			return err;
+		}
+	}
+
 	/* register audio system: */
 	err = line6_register_audio(line6);
 	if (err < 0) {
-		toneport_destruct(interface);
 		return err;
 	}
 
-	usbdev = line6->usbdev;
 	line6_read_serial_number(line6, &toneport->serial_number);
 	line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
 
-	/* sync time on device with host: */
-	ticks = (int)get_seconds();
-	line6_write_data(line6, 0x80c6, &ticks, 4);
+	if (toneport_has_led(usbdev->descriptor.idProduct)) {
+		CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_red));
+		CHECK_RETURN(device_create_file(&interface->dev, &dev_attr_led_green));
+	}
 
-	/*
-	   seems to work without the first two...
-	 */
-	/* toneport_send_cmd(usbdev, 0x0201, 0x0002); */
-	/* toneport_send_cmd(usbdev, 0x0801, 0x0000); */
-	/* only one that works for me; on GP, TP might be different? */
-	toneport_send_cmd(usbdev, 0x0301, 0x0000);
+	toneport_setup(toneport);
 
-	if (usbdev->descriptor.idProduct != LINE6_DEVID_GUITARPORT) {
-		CHECK_RETURN(device_create_file
-			     (&interface->dev, &dev_attr_led_red));
-		CHECK_RETURN(device_create_file
-			     (&interface->dev, &dev_attr_led_green));
-		toneport_update_led(&usbdev->dev);
-	}
+	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_toneport *toneport)
+{
+	int err = toneport_try_init(interface, toneport);
+
+	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);
+}
+
+/*
 	Toneport device disconnected.
 */
-void toneport_disconnect(struct usb_interface *interface)
+void line6_toneport_disconnect(struct usb_interface *interface)
 {
 	struct usb_line6_toneport *toneport;
 
 	if (interface == NULL)
 		return;
+
 	toneport = usb_get_intfdata(interface);
+	del_timer_sync(&toneport->timer);
 
-	if (toneport->line6.usbdev->descriptor.idProduct !=
-	    LINE6_DEVID_GUITARPORT) {
+	if (toneport_has_led(toneport->line6.usbdev->descriptor.idProduct)) {
 		device_remove_file(&interface->dev, &dev_attr_led_red);
 		device_remove_file(&interface->dev, &dev_attr_led_green);
 	}
@@ -243,8 +442,8 @@ void toneport_disconnect(struct usb_interface *interface)
 		struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm;
 
 		if (line6pcm != NULL) {
-			unlink_wait_clear_audio_out_urbs(line6pcm);
-			unlink_wait_clear_audio_in_urbs(line6pcm);
+			line6_pcm_stop(line6pcm, MASK_PCM_MONITOR);
+			line6_pcm_disconnect(line6pcm);
 		}
 	}