summaryrefslogtreecommitdiffstats
path: root/drivers/staging/line6/driver.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/line6/driver.c')
-rw-r--r--drivers/staging/line6/driver.c566
1 files changed, 387 insertions, 179 deletions
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index 27b986a..ea9209d 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -1,7 +1,7 @@
/*
- * Line6 Linux USB driver - 0.8.0
+ * Line6 Linux USB driver - 0.9.1beta
*
- * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
+ * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -9,8 +9,6 @@
*
*/
-#include "driver.h"
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -19,6 +17,7 @@
#include "audio.h"
#include "capture.h"
#include "control.h"
+#include "driver.h"
#include "midi.h"
#include "playback.h"
#include "pod.h"
@@ -27,58 +26,77 @@
#include "usbdefs.h"
#include "variax.h"
-
#define DRIVER_AUTHOR "Markus Grabner <grabner@icg.tugraz.at>"
#define DRIVER_DESC "Line6 USB Driver"
-#define DRIVER_VERSION "0.8.0"
-
+#define DRIVER_VERSION "0.9.1beta" DRIVER_REVISION
/* table of devices that work with this driver */
static const struct usb_device_id line6_id_table[] = {
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_GUITARPORT) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_POCKETPOD) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3LIVE) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXT) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTLIVE) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTPRO) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_GX) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX1) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX2) },
- { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX) },
- { },
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_GUITARPORT)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_POCKETPOD)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_GX)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_UX1)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_UX2)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3LIVE)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXT)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTLIVE)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTPRO)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_GX)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX1)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX2)},
+ {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX)},
+ {},
};
+
MODULE_DEVICE_TABLE(usb, line6_id_table);
+/* *INDENT-OFF* */
static struct line6_properties line6_properties_table[] = {
- { "BassPODxt", LINE6_BIT_BASSPODXT, LINE6_BIT_CONTROL_PCM },
- { "BassPODxt Live", LINE6_BIT_BASSPODXTLIVE, LINE6_BIT_CONTROL_PCM },
- { "BassPODxt Pro", LINE6_BIT_BASSPODXTPRO, LINE6_BIT_CONTROL_PCM },
- { "GuitarPort", LINE6_BIT_GUITARPORT, LINE6_BIT_PCM },
- { "Pocket POD", LINE6_BIT_POCKETPOD, LINE6_BIT_CONTROL_PCM },
- { "POD X3", LINE6_BIT_PODX3, LINE6_BIT_PCM },
- { "POD X3 Live", LINE6_BIT_PODX3LIVE, LINE6_BIT_PCM },
- { "PODxt", LINE6_BIT_PODXT, LINE6_BIT_CONTROL_PCM },
- { "PODxt Live", LINE6_BIT_PODXTLIVE, LINE6_BIT_CONTROL_PCM },
- { "PODxt Pro", LINE6_BIT_PODXTPRO, LINE6_BIT_CONTROL_PCM },
- { "TonePort GX", LINE6_BIT_TONEPORT_GX, LINE6_BIT_PCM },
- { "TonePort UX1", LINE6_BIT_TONEPORT_UX1, LINE6_BIT_PCM },
- { "TonePort UX2", LINE6_BIT_TONEPORT_UX2, LINE6_BIT_PCM },
- { "Variax Workbench", LINE6_BIT_VARIAX, LINE6_BIT_CONTROL }
+ { "BassPODxt", "BassPODxt", LINE6_BIT_BASSPODXT, LINE6_BIT_CONTROL_PCM_HWMON },
+ { "BassPODxtLive", "BassPODxt Live", LINE6_BIT_BASSPODXTLIVE, LINE6_BIT_CONTROL_PCM_HWMON },
+ { "BassPODxtPro", "BassPODxt Pro", LINE6_BIT_BASSPODXTPRO, LINE6_BIT_CONTROL_PCM_HWMON },
+ { "GuitarPort", "GuitarPort", LINE6_BIT_GUITARPORT, LINE6_BIT_PCM },
+ { "PocketPOD", "Pocket POD", LINE6_BIT_POCKETPOD, LINE6_BIT_CONTROL },
+ { "PODStudioGX", "POD Studio GX", LINE6_BIT_PODSTUDIO_GX, LINE6_BIT_PCM },
+ { "PODStudioUX1", "POD Studio UX1", LINE6_BIT_PODSTUDIO_UX1, LINE6_BIT_PCM },
+ { "PODStudioUX2", "POD Studio UX2", LINE6_BIT_PODSTUDIO_UX2, LINE6_BIT_PCM },
+ { "PODX3", "POD X3", LINE6_BIT_PODX3, LINE6_BIT_PCM },
+ { "PODX3Live", "POD X3 Live", LINE6_BIT_PODX3LIVE, LINE6_BIT_PCM },
+ { "PODxt", "PODxt", LINE6_BIT_PODXT, LINE6_BIT_CONTROL_PCM_HWMON },
+ { "PODxtLive", "PODxt Live", LINE6_BIT_PODXTLIVE, LINE6_BIT_CONTROL_PCM_HWMON },
+ { "PODxtPro", "PODxt Pro", LINE6_BIT_PODXTPRO, LINE6_BIT_CONTROL_PCM_HWMON },
+ { "TonePortGX", "TonePort GX", LINE6_BIT_TONEPORT_GX, LINE6_BIT_PCM },
+ { "TonePortUX1", "TonePort UX1", LINE6_BIT_TONEPORT_UX1, LINE6_BIT_PCM },
+ { "TonePortUX2", "TonePort UX2", LINE6_BIT_TONEPORT_UX2, LINE6_BIT_PCM },
+ { "Variax", "Variax Workbench", LINE6_BIT_VARIAX, LINE6_BIT_CONTROL }
};
-
+/* *INDENT-ON* */
/*
This is Line6's MIDI manufacturer ID.
*/
-const unsigned char line6_midi_id[] = { 0x00, 0x01, 0x0c };
+const unsigned char line6_midi_id[] = {
+ 0x00, 0x01, 0x0c
+};
-struct usb_line6 *line6_devices[LINE6_MAX_DEVICES];
-struct workqueue_struct *line6_workqueue;
+/*
+ Code to request version of POD, Variax interface
+ (and maybe other devices).
+*/
+static const char line6_request_version0[] = {
+ 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7
+};
+/*
+ Copy of version request code with GFP_KERNEL flag for use in URB.
+*/
+static const char *line6_request_version;
+
+struct usb_line6 *line6_devices[LINE6_MAX_DEVICES];
/**
Class for asynchronous messages.
@@ -90,7 +108,6 @@ struct message {
int done;
};
-
/*
Forward declarations.
*/
@@ -98,21 +115,30 @@ static void line6_data_received(struct urb *urb);
static int line6_send_raw_message_async_part(struct message *msg,
struct urb *urb);
-
/*
Start to listen on endpoint.
*/
static int line6_start_listen(struct usb_line6 *line6)
{
+ int err;
usb_fill_int_urb(line6->urb_listen, line6->usbdev,
usb_rcvintpipe(line6->usbdev, line6->ep_control_read),
line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
line6_data_received, line6, line6->interval);
line6->urb_listen->actual_length = 0;
- return usb_submit_urb(line6->urb_listen, GFP_KERNEL);
+ err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC);
+ return err;
}
-#if DO_DUMP_ANY
+/*
+ Stop listening on endpoint.
+*/
+static void line6_stop_listen(struct usb_line6 *line6)
+{
+ usb_kill_urb(line6->urb_listen);
+}
+
+#ifdef CONFIG_LINE6_USB_DUMP_ANY
/*
Write hexdump to syslog.
*/
@@ -136,12 +162,13 @@ void line6_write_hexdump(struct usb_line6 *line6, char dir,
if (j < n) {
unsigned char val = buffer[i + j];
bytes = snprintf(p, hexdumpsize, " %02X", val);
- asc[j] = ((val >= 0x20) && (val < 0x7f)) ? val : '.';
+ asc[j] = ((val >= 0x20)
+ && (val < 0x7f)) ? val : '.';
} else
bytes = snprintf(p, hexdumpsize, " ");
if (bytes > hexdumpsize)
- break; /* buffer overflow */
+ break; /* buffer overflow */
p += bytes;
hexdumpsize -= bytes;
@@ -152,7 +179,7 @@ void line6_write_hexdump(struct usb_line6 *line6, char dir,
}
#endif
-#if DO_DUMP_URB_RECEIVE
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
/*
Dump URB data to syslog.
*/
@@ -169,19 +196,19 @@ static void line6_dump_urb(struct urb *urb)
#endif
/*
- Send raw message in pieces of max_packet_size bytes.
+ Send raw message in pieces of wMaxPacketSize bytes.
*/
int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
int size)
{
int i, done = 0;
- int actual_size;
-#if DO_DUMP_URB_SEND
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
line6_write_hexdump(line6, 'S', buffer, size);
#endif
- for (i = 0; i < size; i += actual_size) {
+ for (i = 0; i < size; i += line6->max_packet_size) {
+ int partial;
const char *frag_buf = buffer + i;
int frag_size = min(line6->max_packet_size, size - i);
int retval;
@@ -190,7 +217,7 @@ int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
usb_sndintpipe(line6->usbdev,
line6->ep_control_write),
(char *)frag_buf, frag_size,
- &actual_size, LINE6_TIMEOUT * HZ);
+ &partial, LINE6_TIMEOUT * HZ);
if (retval) {
dev_err(line6->ifcdev,
@@ -198,7 +225,7 @@ int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
break;
}
- done += actual_size;
+ done += frag_size;
}
return done;
@@ -234,7 +261,7 @@ static int line6_send_raw_message_async_part(struct message *msg,
(char *)msg->buffer + done, bytes,
line6_async_request_sent, msg, line6->interval);
-#if DO_DUMP_URB_SEND
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
line6_write_hexdump(line6, 'S', (char *)msg->buffer + done, bytes);
#endif
@@ -253,6 +280,17 @@ static int line6_send_raw_message_async_part(struct message *msg,
}
/*
+ Setup and start timer.
+*/
+void line6_start_timer(struct timer_list *timer, unsigned int msecs,
+ void (*function) (unsigned long), unsigned long data)
+{
+ setup_timer(timer, function, data);
+ timer->expires = jiffies + msecs * HZ / 1000;
+ add_timer(timer);
+}
+
+/*
Asynchronously send raw message.
*/
int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer,
@@ -289,12 +327,34 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer,
}
/*
+ Send asynchronous device version request.
+*/
+int line6_version_request_async(struct usb_line6 *line6)
+{
+ return line6_send_raw_message_async(line6, line6_request_version,
+ sizeof(line6_request_version0));
+}
+
+/*
Send sysex message in pieces of wMaxPacketSize bytes.
*/
int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer,
int size)
{
- return line6_send_raw_message(line6, buffer, size + SYSEX_EXTRA_SIZE) - SYSEX_EXTRA_SIZE;
+ return line6_send_raw_message(line6, buffer,
+ size + SYSEX_EXTRA_SIZE) -
+ SYSEX_EXTRA_SIZE;
+}
+
+/*
+ Send sysex message in pieces of wMaxPacketSize bytes.
+*/
+int line6_send_sysex_message_async(struct usb_line6 *line6, const char *buffer,
+ int size)
+{
+ return line6_send_raw_message_async(line6, buffer,
+ size + SYSEX_EXTRA_SIZE) -
+ SYSEX_EXTRA_SIZE;
}
/*
@@ -305,7 +365,7 @@ int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer,
char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2,
int size)
{
- char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_KERNEL);
+ char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_ATOMIC);
if (!buffer) {
dev_err(line6->ifcdev, "out of memory\n");
@@ -332,29 +392,36 @@ static void line6_data_received(struct urb *urb)
if (urb->status == -ESHUTDOWN)
return;
-#if DO_DUMP_URB_RECEIVE
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
line6_dump_urb(urb);
#endif
- done = midibuf_write(mb, urb->transfer_buffer, urb->actual_length);
+ done =
+ line6_midibuf_write(mb, urb->transfer_buffer, urb->actual_length);
if (done < urb->actual_length) {
- midibuf_ignore(mb, done);
- DEBUG_MESSAGES(dev_err(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length));
+ line6_midibuf_ignore(mb, done);
+ DEBUG_MESSAGES(dev_err
+ (line6->ifcdev,
+ "%d %d buffer overflow - message skipped\n",
+ done, urb->actual_length));
}
for (;;) {
- done = midibuf_read(mb, line6->buffer_message, LINE6_MESSAGE_MAXLEN);
+ done =
+ line6_midibuf_read(mb, line6->buffer_message,
+ LINE6_MESSAGE_MAXLEN);
if (done == 0)
break;
/* MIDI input filter */
- if (midibuf_skip_message(mb, line6->line6midi->midi_mask_receive))
+ if (line6_midibuf_skip_message
+ (mb, line6->line6midi->midi_mask_receive))
continue;
line6->message_length = done;
-#if DO_DUMP_MIDI_RECEIVE
+#ifdef CONFIG_LINE6_USB_DUMP_MIDI
line6_write_hexdump(line6, 'r', line6->buffer_message, done);
#endif
line6_midi_receive(line6, line6->buffer_message, done);
@@ -366,26 +433,33 @@ static void line6_data_received(struct urb *urb)
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
case LINE6_DEVID_POCKETPOD:
- pod_process_message((struct usb_line6_pod *)line6);
+ line6_pod_process_message((struct usb_line6_pod *)
+ line6);
break;
case LINE6_DEVID_PODXTLIVE:
switch (line6->interface_number) {
case PODXTLIVE_INTERFACE_POD:
- pod_process_message((struct usb_line6_pod *)line6);
+ line6_pod_process_message((struct usb_line6_pod
+ *)line6);
break;
case PODXTLIVE_INTERFACE_VARIAX:
- variax_process_message((struct usb_line6_variax *)line6);
+ line6_variax_process_message((struct
+ usb_line6_variax
+ *)line6);
break;
default:
- dev_err(line6->ifcdev, "PODxt Live interface %d not supported\n", line6->interface_number);
+ dev_err(line6->ifcdev,
+ "PODxt Live interface %d not supported\n",
+ line6->interface_number);
}
break;
case LINE6_DEVID_VARIAX:
- variax_process_message((struct usb_line6_variax *)line6);
+ line6_variax_process_message((struct usb_line6_variax *)
+ line6);
break;
default:
@@ -396,44 +470,17 @@ static void line6_data_received(struct urb *urb)
line6_start_listen(line6);
}
-static int line6_send(struct usb_line6 *line6, unsigned char *buf, size_t len)
-{
- int retval;
- int partial;
-
-#if DO_DUMP_URB_SEND
- line6_write_hexdump(line6, 'S', buf, len);
-#endif
-
- retval = usb_interrupt_msg(line6->usbdev,
- usb_sndintpipe(line6->usbdev,
- line6->ep_control_write),
- buf, len, &partial,
- LINE6_TIMEOUT * HZ);
-
- if (retval) {
- dev_err(line6->ifcdev,
- "usb_interrupt_msg failed (%d)\n", retval);
- }
-
- if (partial != len) {
- dev_err(line6->ifcdev,
- "usb_interrupt_msg sent partial message (%d)\n",
- retval);
- }
-
- return retval;
-}
-
/*
Send channel number (i.e., switch to a different sound).
*/
int line6_send_program(struct usb_line6 *line6, int value)
{
+ int retval;
unsigned char *buffer;
- size_t len = 2;
+ int partial;
+
+ buffer = kmalloc(2, GFP_KERNEL);
- buffer = kmalloc(len, GFP_KERNEL);
if (!buffer) {
dev_err(line6->ifcdev, "out of memory\n");
return -ENOMEM;
@@ -442,7 +489,21 @@ int line6_send_program(struct usb_line6 *line6, int value)
buffer[0] = LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST;
buffer[1] = value;
- return line6_send(line6, buffer, len);
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
+ line6_write_hexdump(line6, 'S', buffer, 2);
+#endif
+
+ retval = usb_interrupt_msg(line6->usbdev,
+ usb_sndintpipe(line6->usbdev,
+ line6->ep_control_write),
+ buffer, 2, &partial, LINE6_TIMEOUT * HZ);
+
+ if (retval)
+ dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n",
+ retval);
+
+ kfree(buffer);
+ return retval;
}
/*
@@ -450,10 +511,12 @@ int line6_send_program(struct usb_line6 *line6, int value)
*/
int line6_transmit_parameter(struct usb_line6 *line6, int param, int value)
{
+ int retval;
unsigned char *buffer;
- size_t len = 3;
+ int partial;
+
+ buffer = kmalloc(3, GFP_KERNEL);
- buffer = kmalloc(len, GFP_KERNEL);
if (!buffer) {
dev_err(line6->ifcdev, "out of memory\n");
return -ENOMEM;
@@ -463,13 +526,28 @@ int line6_transmit_parameter(struct usb_line6 *line6, int param, int value)
buffer[1] = param;
buffer[2] = value;
- return line6_send(line6, buffer, len);
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
+ line6_write_hexdump(line6, 'S', buffer, 3);
+#endif
+
+ retval = usb_interrupt_msg(line6->usbdev,
+ usb_sndintpipe(line6->usbdev,
+ line6->ep_control_write),
+ buffer, 3, &partial, LINE6_TIMEOUT * HZ);
+
+ if (retval)
+ dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n",
+ retval);
+
+ kfree(buffer);
+ return retval;
}
/*
Read data from device.
*/
-int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t datalen)
+int line6_read_data(struct usb_line6 *line6, int address, void *data,
+ size_t datalen)
{
struct usb_device *usbdev = line6->usbdev;
int ret;
@@ -477,10 +555,9 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t dat
/* query the serial number: */
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
- USB_TYPE_VENDOR | USB_RECIP_DEVICE
- | USB_DIR_OUT,
- (datalen << 8) | 0x21, address,
- NULL, 0, LINE6_TIMEOUT * HZ);
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
+ (datalen << 8) | 0x21, address,
+ NULL, 0, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
@@ -557,9 +634,7 @@ int line6_write_data(struct usb_line6 *line6, int address, void *data,
"receiving status failed (error %d)\n", ret);
return ret;
}
- }
- while (status == 0xff)
- ;
+ } while (status == 0xff);
if (status != 0) {
dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
@@ -575,7 +650,8 @@ int line6_write_data(struct usb_line6 *line6, int address, void *data,
*/
int line6_read_serial_number(struct usb_line6 *line6, int *serial_number)
{
- return line6_read_data(line6, 0x80d0, serial_number, sizeof(*serial_number));
+ return line6_read_data(line6, 0x80d0, serial_number,
+ sizeof(*serial_number));
}
/*
@@ -599,7 +675,7 @@ ssize_t line6_nop_write(struct device *dev, struct device_attribute *attr,
/*
"write" request on "raw" special file.
*/
-#if CREATE_RAW_FILE
+#ifdef CONFIG_LINE6_USB_RAW
ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -637,25 +713,11 @@ static void line6_destruct(struct usb_interface *interface)
kfree(line6);
}
-static void line6_list_devices(void)
-{
- int i;
-
- for (i = 0; i < LINE6_MAX_DEVICES; ++i) {
- struct usb_line6 *dev = line6_devices[i];
- printk(KERN_INFO "Line6 device %d: ", i);
-
- if (dev == NULL)
- printk("(not used)\n");
- else
- printk("%s:%d\n", dev->properties->name, dev->interface_number);
- }
-}
-
/*
Probe USB device.
*/
-static int line6_probe(struct usb_interface *interface, const struct usb_device_id *id)
+static int line6_probe(struct usb_interface *interface,
+ const struct usb_device_id *id)
{
int devtype;
struct usb_device *usbdev = NULL;
@@ -674,10 +736,6 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
if (usbdev == NULL)
return -ENODEV;
- /* increment reference counters: */
- usb_get_intf(interface);
- usb_get_dev(usbdev);
-
/* we don't handle multiple configurations */
if (usbdev->descriptor.bNumConfigurations != 1) {
ret = -ENODEV;
@@ -689,8 +747,8 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
u16 idVendor = le16_to_cpu(usbdev->descriptor.idVendor);
u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
- if (idVendor == line6_id_table[devtype].idVendor
- && idProduct == line6_id_table[devtype].idProduct)
+ if (idVendor == line6_id_table[devtype].idVendor &&
+ idProduct == line6_id_table[devtype].idProduct)
break;
}
@@ -719,12 +777,23 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
switch (product) {
case LINE6_DEVID_BASSPODXTLIVE:
- case LINE6_DEVID_POCKETPOD:
case LINE6_DEVID_PODXTLIVE:
case LINE6_DEVID_VARIAX:
alternate = 1;
break;
+ case LINE6_DEVID_POCKETPOD:
+ switch (interface_number) {
+ case 0:
+ return 0; /* this interface has no endpoints */
+ case 1:
+ alternate = 0;
+ break;
+ default:
+ MISSING_CASE;
+ }
+ break;
+
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
switch (interface_number) {
@@ -746,21 +815,27 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
alternate = 5;
break;
- case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_GUITARPORT:
- alternate = 2; /* 1..4 seem to be ok */
+ case LINE6_DEVID_PODSTUDIO_GX:
+ case LINE6_DEVID_PODSTUDIO_UX1:
+ case LINE6_DEVID_TONEPORT_GX:
+ case LINE6_DEVID_TONEPORT_UX1:
+ alternate = 2; /* 1..4 seem to be ok */
break;
- case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
+ case LINE6_DEVID_PODSTUDIO_UX2:
switch (interface_number) {
case 0:
/* defaults to 44.1kHz, 16-bit */
alternate = 2;
break;
case 1:
- alternate = 0;
- break;
+ /* don't know yet what this is ...
+ alternate = 1;
+ break;
+ */
+ return -ENODEV;
default:
MISSING_CASE;
}
@@ -783,22 +858,30 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_BASSPODXTPRO:
- case LINE6_DEVID_POCKETPOD:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
size = sizeof(struct usb_line6_pod);
- ep_read = 0x84;
+ ep_read = 0x84;
ep_write = 0x03;
break;
+ case LINE6_DEVID_POCKETPOD:
+ size = sizeof(struct usb_line6_pod);
+ ep_read = 0x82;
+ ep_write = 0x02;
+ break;
+
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
/* currently unused! */
size = sizeof(struct usb_line6_pod);
- ep_read = 0x81;
+ ep_read = 0x81;
ep_write = 0x01;
break;
+ case LINE6_DEVID_PODSTUDIO_GX:
+ case LINE6_DEVID_PODSTUDIO_UX1:
+ case LINE6_DEVID_PODSTUDIO_UX2:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
@@ -811,13 +894,13 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
size = sizeof(struct usb_line6_pod);
- ep_read = 0x84;
+ ep_read = 0x84;
ep_write = 0x03;
break;
case PODXTLIVE_INTERFACE_VARIAX:
size = sizeof(struct usb_line6_variax);
- ep_read = 0x86;
+ ep_read = 0x86;
ep_write = 0x05;
break;
@@ -829,7 +912,7 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
case LINE6_DEVID_VARIAX:
size = sizeof(struct usb_line6_variax);
- ep_read = 0x82;
+ ep_read = 0x82;
ep_write = 0x01;
break;
@@ -840,7 +923,8 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
}
if (size == 0) {
- dev_err(line6->ifcdev, "driver bug: interface data size not set\n");
+ dev_err(line6->ifcdev,
+ "driver bug: interface data size not set\n");
ret = -ENODEV;
goto err_put;
}
@@ -865,16 +949,19 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
/* get data from endpoint descriptor (see usb_maxpacket): */
{
struct usb_host_endpoint *ep;
- unsigned epnum = usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
+ unsigned epnum =
+ usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
ep = usbdev->ep_in[epnum];
if (ep != NULL) {
line6->interval = ep->desc.bInterval;
- line6->max_packet_size = le16_to_cpu(ep->desc.wMaxPacketSize);
+ line6->max_packet_size =
+ le16_to_cpu(ep->desc.wMaxPacketSize);
} else {
line6->interval = LINE6_FALLBACK_INTERVAL;
line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE;
- dev_err(line6->ifcdev, "endpoint not available, using fallback values");
+ dev_err(line6->ifcdev,
+ "endpoint not available, using fallback values");
}
}
@@ -882,7 +969,8 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
if (properties->capabilities & LINE6_BIT_CONTROL) {
/* initialize USB buffers: */
- line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
+ line6->buffer_listen =
+ kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
if (line6->buffer_listen == NULL) {
dev_err(&interface->dev, "Out of memory\n");
@@ -890,7 +978,8 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
goto err_destruct;
}
- line6->buffer_message = kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL);
+ line6->buffer_message =
+ kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL);
if (line6->buffer_message == NULL) {
dev_err(&interface->dev, "Out of memory\n");
@@ -925,17 +1014,21 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
case LINE6_DEVID_PODX3LIVE:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
- ret = pod_init(interface, (struct usb_line6_pod *)line6);
+ ret = line6_pod_init(interface, (struct usb_line6_pod *)line6);
break;
case LINE6_DEVID_PODXTLIVE:
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
- ret = pod_init(interface, (struct usb_line6_pod *)line6);
+ ret =
+ line6_pod_init(interface,
+ (struct usb_line6_pod *)line6);
break;
case PODXTLIVE_INTERFACE_VARIAX:
- ret = variax_init(interface, (struct usb_line6_variax *)line6);
+ ret =
+ line6_variax_init(interface,
+ (struct usb_line6_variax *)line6);
break;
default:
@@ -948,14 +1041,21 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
break;
case LINE6_DEVID_VARIAX:
- ret = variax_init(interface, (struct usb_line6_variax *)line6);
+ ret =
+ line6_variax_init(interface,
+ (struct usb_line6_variax *)line6);
break;
+ case LINE6_DEVID_PODSTUDIO_GX:
+ case LINE6_DEVID_PODSTUDIO_UX1:
+ case LINE6_DEVID_PODSTUDIO_UX2:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_GUITARPORT:
- ret = toneport_init(interface, (struct usb_line6_toneport *)line6);
+ ret =
+ line6_toneport_init(interface,
+ (struct usb_line6_toneport *)line6);
break;
default:
@@ -971,10 +1071,24 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_
if (ret < 0)
goto err_destruct;
+ /* creation of additional special files should go here */
+
dev_info(&interface->dev, "Line6 %s now attached\n",
line6->properties->name);
line6_devices[devnum] = line6;
- line6_list_devices();
+
+ switch (product) {
+ case LINE6_DEVID_PODX3:
+ case LINE6_DEVID_PODX3LIVE:
+ dev_info(&interface->dev,
+ "NOTE: the Line6 %s is detected, but not yet supported\n",
+ line6->properties->name);
+ }
+
+ /* increment reference counters: */
+ usb_get_intf(interface);
+ usb_get_dev(usbdev);
+
return 0;
err_destruct:
@@ -1000,6 +1114,8 @@ static void line6_disconnect(struct usb_interface *interface)
if (usbdev == NULL)
return;
+ /* removal of additional special files should go here */
+
sysfs_remove_link(&interface->dev.kobj, "usb_device");
interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
@@ -1007,7 +1123,7 @@ static void line6_disconnect(struct usb_interface *interface)
if (line6 != NULL) {
if (line6->urb_listen != NULL)
- usb_kill_urb(line6->urb_listen);
+ line6_stop_listen(line6);
if (usbdev != line6->usbdev)
dev_err(line6->ifcdev,
@@ -1022,43 +1138,46 @@ static void line6_disconnect(struct usb_interface *interface)
case LINE6_DEVID_PODX3LIVE:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
- pod_disconnect(interface);
+ line6_pod_disconnect(interface);
break;
case LINE6_DEVID_PODXTLIVE:
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
- pod_disconnect(interface);
+ line6_pod_disconnect(interface);
break;
case PODXTLIVE_INTERFACE_VARIAX:
- variax_disconnect(interface);
+ line6_variax_disconnect(interface);
break;
}
break;
case LINE6_DEVID_VARIAX:
- variax_disconnect(interface);
+ line6_variax_disconnect(interface);
break;
+ case LINE6_DEVID_PODSTUDIO_GX:
+ case LINE6_DEVID_PODSTUDIO_UX1:
+ case LINE6_DEVID_PODSTUDIO_UX2:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_GUITARPORT:
- toneport_disconnect(interface);
+ line6_toneport_disconnect(interface);
break;
default:
MISSING_CASE;
}
- dev_info(&interface->dev, "Line6 %s now disconnected\n", line6->properties->name);
+ dev_info(&interface->dev, "Line6 %s now disconnected\n",
+ line6->properties->name);
- for (i = LINE6_MAX_DEVICES; i--;) {
+ for (i = LINE6_MAX_DEVICES; i--;)
if (line6_devices[i] == line6)
line6_devices[i] = NULL;
- }
}
line6_destruct(interface);
@@ -1066,14 +1185,78 @@ static void line6_disconnect(struct usb_interface *interface)
/* decrement reference counters: */
usb_put_intf(interface);
usb_put_dev(usbdev);
+}
+
+#ifdef CONFIG_PM
+
+/*
+ Suspend Line6 device.
+*/
+static int line6_suspend(struct usb_interface *interface, pm_message_t message)
+{
+ struct usb_line6 *line6 = usb_get_intfdata(interface);
+ struct snd_line6_pcm *line6pcm = line6->line6pcm;
+
+ snd_power_change_state(line6->card, SNDRV_CTL_POWER_D3hot);
+
+ if (line6->properties->capabilities & LINE6_BIT_CONTROL)
+ line6_stop_listen(line6);
+
+ if (line6pcm != NULL) {
+ snd_pcm_suspend_all(line6pcm->pcm);
+ line6_pcm_disconnect(line6pcm);
+ line6pcm->flags = 0;
+ }
+
+ return 0;
+}
+
+/*
+ Resume Line6 device.
+*/
+static int line6_resume(struct usb_interface *interface)
+{
+ struct usb_line6 *line6 = usb_get_intfdata(interface);
+
+ if (line6->properties->capabilities & LINE6_BIT_CONTROL)
+ line6_start_listen(line6);
+
+ snd_power_change_state(line6->card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+
+/*
+ Resume Line6 device after reset.
+*/
+static int line6_reset_resume(struct usb_interface *interface)
+{
+ struct usb_line6 *line6 = usb_get_intfdata(interface);
+
+ switch (line6->usbdev->descriptor.idProduct) {
+ case LINE6_DEVID_PODSTUDIO_GX:
+ case LINE6_DEVID_PODSTUDIO_UX1:
+ case LINE6_DEVID_PODSTUDIO_UX2:
+ case LINE6_DEVID_TONEPORT_GX:
+ case LINE6_DEVID_TONEPORT_UX1:
+ case LINE6_DEVID_TONEPORT_UX2:
+ case LINE6_DEVID_GUITARPORT:
+ line6_toneport_reset_resume((struct usb_line6_toneport *)line6);
+ }
- line6_list_devices();
+ return line6_resume(interface);
}
+#endif /* CONFIG_PM */
+
static struct usb_driver line6_driver = {
.name = DRIVER_NAME,
.probe = line6_probe,
.disconnect = line6_disconnect,
+#ifdef CONFIG_PM
+ .suspend = line6_suspend,
+ .resume = line6_resume,
+ .reset_resume = line6_reset_resume,
+#endif
.id_table = line6_id_table,
};
@@ -1084,22 +1267,28 @@ static int __init line6_init(void)
{
int i, retval;
- printk(KERN_INFO "%s driver version %s%s\n",
- DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION);
- line6_workqueue = create_workqueue(DRIVER_NAME);
-
- if (line6_workqueue == NULL) {
- err("couldn't create workqueue");
- return -EINVAL;
- }
+ printk(KERN_INFO "%s driver version %s\n", DRIVER_NAME, DRIVER_VERSION);
for (i = LINE6_MAX_DEVICES; i--;)
line6_devices[i] = NULL;
retval = usb_register(&line6_driver);
- if (retval)
+ if (retval) {
err("usb_register failed. Error number %d", retval);
+ return retval;
+ }
+
+ line6_request_version = kmalloc(sizeof(line6_request_version0),
+ GFP_KERNEL);
+
+ if (line6_request_version == NULL) {
+ err("Out of memory");
+ return -ENOMEM;
+ }
+
+ memcpy((char *)line6_request_version, line6_request_version0,
+ sizeof(line6_request_version0));
return retval;
}
@@ -1109,8 +1298,27 @@ static int __init line6_init(void)
*/
static void __exit line6_exit(void)
{
- destroy_workqueue(line6_workqueue);
+ int i;
+ struct usb_line6 *line6;
+ struct snd_line6_pcm *line6pcm;
+
+ /* stop all PCM channels */
+ for (i = LINE6_MAX_DEVICES; i--;) {
+ line6 = line6_devices[i];
+
+ if (line6 == NULL)
+ continue;
+
+ line6pcm = line6->line6pcm;
+
+ if (line6pcm == NULL)
+ continue;
+
+ line6_pcm_stop(line6pcm, ~0);
+ }
+
usb_deregister(&line6_driver);
+ kfree(line6_request_version);
}
module_init(line6_init);
OpenPOWER on IntegriCloud