diff options
Diffstat (limited to 'drivers/staging/line6/driver.c')
| -rw-r--r-- | drivers/staging/line6/driver.c | 767 |
1 files changed, 411 insertions, 356 deletions
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c index e4078a92d39..ef511c76a6e 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 @@ -9,75 +9,97 @@ * */ -#include "driver.h" - #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/usb.h> #include "audio.h" #include "capture.h" -#include "control.h" +#include "driver.h" #include "midi.h" #include "playback.h" #include "pod.h" +#include "podhd.h" #include "revision.h" #include "toneport.h" #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 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) }, - { }, +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_PODHD300)}, + {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD400)}, + {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD500)}, + {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); -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 } +#define L6PROP(dev_bit, dev_id, dev_name, dev_cap)\ + {.device_bit = LINE6_BIT_##dev_bit, .id = dev_id,\ + .name = dev_name, .capabilities = LINE6_BIT_##dev_cap} + +/* *INDENT-OFF* */ +static const struct line6_properties line6_properties_table[] = { + L6PROP(BASSPODXT, "BassPODxt", "BassPODxt", CTRL_PCM_HW), + L6PROP(BASSPODXTLIVE, "BassPODxtLive", "BassPODxt Live", CTRL_PCM_HW), + L6PROP(BASSPODXTPRO, "BassPODxtPro", "BassPODxt Pro", CTRL_PCM_HW), + L6PROP(GUITARPORT, "GuitarPort", "GuitarPort", PCM), + L6PROP(POCKETPOD, "PocketPOD", "Pocket POD", CONTROL), + L6PROP(PODHD300, "PODHD300", "POD HD300", CTRL_PCM_HW), + L6PROP(PODHD400, "PODHD400", "POD HD400", CTRL_PCM_HW), + L6PROP(PODHD500, "PODHD500", "POD HD500", CTRL_PCM_HW), + L6PROP(PODSTUDIO_GX, "PODStudioGX", "POD Studio GX", PCM), + L6PROP(PODSTUDIO_UX1, "PODStudioUX1", "POD Studio UX1", PCM), + L6PROP(PODSTUDIO_UX2, "PODStudioUX2", "POD Studio UX2", PCM), + L6PROP(PODX3, "PODX3", "POD X3", PCM), + L6PROP(PODX3LIVE, "PODX3Live", "POD X3 Live", PCM), + L6PROP(PODXT, "PODxt", "PODxt", CTRL_PCM_HW), + L6PROP(PODXTLIVE, "PODxtLive", "PODxt Live", CTRL_PCM_HW), + L6PROP(PODXTPRO, "PODxtPro", "PODxt Pro", CTRL_PCM_HW), + L6PROP(TONEPORT_GX, "TonePortGX", "TonePort GX", PCM), + L6PROP(TONEPORT_UX1, "TonePortUX1", "TonePort UX1", PCM), + L6PROP(TONEPORT_UX2, "TonePortUX2", "TonePort UX2", PCM), + L6PROP(VARIAX, "Variax", "Variax Workbench", CONTROL), }; - +/* *INDENT-ON* */ /* This is Line6's MIDI manufacturer ID. */ -const unsigned char line6_midi_id[] = { 0x00, 0x01, 0x0c }; - -struct usb_line6 *line6_devices[LINE6_MAX_DEVICES]; -struct workqueue_struct *line6_workqueue; +const unsigned char line6_midi_id[] = { + 0x00, 0x01, 0x0c +}; +/* + Code to request version of POD, Variax interface + (and maybe other devices). +*/ +static const char line6_request_version[] = { + 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7 +}; /** Class for asynchronous messages. @@ -89,7 +111,6 @@ struct message { int done; }; - /* Forward declarations. */ @@ -97,99 +118,49 @@ 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 /* - Write hexdump to syslog. + Stop listening on endpoint. */ -void line6_write_hexdump(struct usb_line6 *line6, char dir, - const unsigned char *buffer, int size) +static void line6_stop_listen(struct usb_line6 *line6) { - static const int BYTES_PER_LINE = 8; - char hexdump[100]; - char asc[BYTES_PER_LINE + 1]; - int i, j; - - for (i = 0; i < size; i += BYTES_PER_LINE) { - int hexdumpsize = sizeof(hexdump); - char *p = hexdump; - int n = min(size - i, BYTES_PER_LINE); - asc[n] = 0; - - for (j = 0; j < BYTES_PER_LINE; ++j) { - int bytes; - - if (j < n) { - unsigned char val = buffer[i + j]; - bytes = snprintf(p, hexdumpsize, " %02X", val); - asc[j] = ((val >= 0x20) && (val < 0x7f)) ? val : '.'; - } else - bytes = snprintf(p, hexdumpsize, " "); - - if (bytes > hexdumpsize) - break; /* buffer overflow */ - - p += bytes; - hexdumpsize -= bytes; - } - - dev_info(line6->ifcdev, "%c%04X:%s %s\n", dir, i, hexdump, asc); - } + usb_kill_urb(line6->urb_listen); } -#endif -#if DO_DUMP_URB_RECEIVE /* - Dump URB data to syslog. -*/ -static void line6_dump_urb(struct urb *urb) -{ - struct usb_line6 *line6 = (struct usb_line6 *)urb->context; - - if (urb->status < 0) - return; - - line6_write_hexdump(line6, 'R', (unsigned char *)urb->transfer_buffer, - urb->actual_length); -} -#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 - 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; retval = usb_interrupt_msg(line6->usbdev, - usb_sndintpipe(line6->usbdev, - line6->ep_control_write), - (char *)frag_buf, frag_size, - &actual_size, LINE6_TIMEOUT * HZ); + usb_sndintpipe(line6->usbdev, + line6->ep_control_write), + (char *)frag_buf, frag_size, + &partial, LINE6_TIMEOUT * HZ); if (retval) { dev_err(line6->ifcdev, @@ -197,7 +168,7 @@ int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, break; } - done += actual_size; + done += frag_size; } return done; @@ -233,10 +204,6 @@ 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 - line6_write_hexdump(line6, 'S', (char *)msg->buffer + done, bytes); -#endif - msg->done += bytes; retval = usb_submit_urb(urb, GFP_ATOMIC); @@ -245,13 +212,24 @@ static int line6_send_raw_message_async_part(struct message *msg, __func__, retval); usb_free_urb(urb); kfree(msg); - return -EINVAL; + return retval; } return 0; } /* + 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, @@ -262,11 +240,8 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, /* create message: */ msg = kmalloc(sizeof(struct message), GFP_ATOMIC); - - if (msg == NULL) { - dev_err(line6->ifcdev, "Out of memory\n"); + if (msg == NULL) return -ENOMEM; - } /* create URB: */ urb = usb_alloc_urb(0, GFP_ATOMIC); @@ -288,12 +263,35 @@ 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) +{ + char *buffer; + int retval; + + buffer = kmemdup(line6_request_version, + sizeof(line6_request_version), GFP_ATOMIC); + if (buffer == NULL) { + dev_err(line6->ifcdev, "Out of memory"); + return -ENOMEM; + } + + retval = line6_send_raw_message_async(line6, buffer, + sizeof(line6_request_version)); + kfree(buffer); + return retval; +} + +/* 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; } /* @@ -304,12 +302,10 @@ 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"); + if (!buffer) return NULL; - } buffer[0] = LINE6_SYSEX_BEGIN; memcpy(buffer + 1, line6_midi_id, sizeof(line6_midi_id)); @@ -325,66 +321,71 @@ char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, static void line6_data_received(struct urb *urb) { struct usb_line6 *line6 = (struct usb_line6 *)urb->context; - struct MidiBuffer *mb = &line6->line6midi->midibuf_in; + struct midi_buffer *mb = &line6->line6midi->midibuf_in; int done; if (urb->status == -ESHUTDOWN) return; -#if DO_DUMP_URB_RECEIVE - 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); + dev_dbg(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)) - continue; - line6->message_length = done; -#if DO_DUMP_MIDI_RECEIVE - line6_write_hexdump(line6, 'r', line6->buffer_message, done); -#endif line6_midi_receive(line6, line6->buffer_message, done); - switch (line6->usbdev->descriptor.idProduct) { + switch (le16_to_cpu(line6->usbdev->descriptor.idProduct)) { case LINE6_DEVID_BASSPODXT: case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_BASSPODXTPRO: 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_PODHD300: + case LINE6_DEVID_PODHD400: + case LINE6_DEVID_PODHD500: + break; /* let userspace handle MIDI */ + 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: @@ -395,80 +396,70 @@ 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; - unsigned 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 line6_send_program(struct usb_line6 *line6, u8 value) { + int retval; unsigned char *buffer; - size_t len = 2; + int partial; - buffer = kmalloc(len, GFP_KERNEL); - if (!buffer) { - dev_err(line6->ifcdev, "out of memory\n"); + buffer = kmalloc(2, GFP_KERNEL); + if (!buffer) return -ENOMEM; - } buffer[0] = LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST; buffer[1] = value; - return line6_send(line6, buffer, len); + 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; } /* Transmit Line6 control parameter. */ -int line6_transmit_parameter(struct usb_line6 *line6, int param, int value) +int line6_transmit_parameter(struct usb_line6 *line6, int param, u8 value) { + int retval; unsigned char *buffer; - size_t len = 3; + int partial; - buffer = kmalloc(len, GFP_KERNEL); - if (!buffer) { - dev_err(line6->ifcdev, "out of memory\n"); + buffer = kmalloc(3, GFP_KERNEL); + if (!buffer) return -ENOMEM; - } buffer[0] = LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST; buffer[1] = param; buffer[2] = value; - return line6_send(line6, buffer, len); + 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; @@ -476,17 +467,16 @@ 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); return ret; } - /* Wait for data length. We'll get a couple of 0xff until length arrives. */ + /* Wait for data length. We'll get 0xff until length arrives. */ do { ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | @@ -556,9 +546,7 @@ 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); @@ -574,7 +562,8 @@ 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)); } /* @@ -587,29 +576,6 @@ ssize_t line6_nop_read(struct device *dev, struct device_attribute *attr, } /* - No operation (i.e., unsupported). -*/ -ssize_t line6_nop_write(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - return count; -} - -/* - "write" request on "raw" special file. -*/ -#if CREATE_RAW_FILE -ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct usb_interface *interface = to_usb_interface(dev); - struct usb_line6 *line6 = usb_get_intfdata(interface); - line6_send_raw_message(line6, buf, count); - return count; -} -#endif - -/* Generic destructor. */ static void line6_destruct(struct usb_interface *interface) @@ -636,31 +602,16 @@ 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; - struct usb_line6 *line6 = NULL; + struct usb_device *usbdev; + struct usb_line6 *line6; const struct line6_properties *properties; - int devnum; int interface_number, alternate = 0; int product; int size = 0; @@ -673,34 +624,26 @@ 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) - return -ENODEV; + if (usbdev->descriptor.bNumConfigurations != 1) { + ret = -ENODEV; + goto err_put; + } /* check vendor and product id */ for (devtype = ARRAY_SIZE(line6_id_table) - 1; devtype--;) { - u16 vendor = le16_to_cpu(usbdev->descriptor.idVendor); - u16 product = le16_to_cpu(usbdev->descriptor.idProduct); + u16 idVendor = le16_to_cpu(usbdev->descriptor.idVendor); + u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct); - if (vendor == line6_id_table[devtype].idVendor - && product == line6_id_table[devtype].idProduct) + if (idVendor == line6_id_table[devtype].idVendor && + idProduct == line6_id_table[devtype].idProduct) break; } - if (devtype < 0) - return -ENODEV; - - /* find free slot in device table: */ - for (devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum) - if (line6_devices[devnum] == NULL) - break; - - if (devnum == LINE6_MAX_DEVICES) - return -ENODEV; + if (devtype < 0) { + ret = -ENODEV; + goto err_put; + } /* initialize device info: */ properties = &line6_properties_table[devtype]; @@ -712,12 +655,24 @@ 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_PODHD500: case LINE6_DEVID_PODX3: case LINE6_DEVID_PODX3LIVE: switch (interface_number) { @@ -736,24 +691,32 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ case LINE6_DEVID_BASSPODXTPRO: case LINE6_DEVID_PODXT: case LINE6_DEVID_PODXTPRO: + case LINE6_DEVID_PODHD300: + case LINE6_DEVID_PODHD400: 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; } @@ -761,13 +724,14 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ default: MISSING_CASE; - return -ENODEV; + ret = -ENODEV; + goto err_put; } ret = usb_set_interface(usbdev, interface_number, alternate); if (ret < 0) { dev_err(&interface->dev, "set_interface failed\n"); - return ret; + goto err_put; } /* initialize device data based on product id: */ @@ -775,22 +739,43 @@ 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_PODHD300: + case LINE6_DEVID_PODHD400: + size = sizeof(struct usb_line6_podhd); + ep_read = 0x84; ep_write = 0x03; break; + case LINE6_DEVID_PODHD500: + size = sizeof(struct usb_line6_podhd); + ep_read = 0x81; + ep_write = 0x01; + 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: @@ -803,42 +788,45 @@ 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; default: - return -ENODEV; + ret = -ENODEV; + goto err_put; } break; case LINE6_DEVID_VARIAX: size = sizeof(struct usb_line6_variax); - ep_read = 0x82; + ep_read = 0x82; ep_write = 0x01; break; default: MISSING_CASE; - return -ENODEV; + ret = -ENODEV; + goto err_put; } if (size == 0) { - dev_err(line6->ifcdev, "driver bug: interface data size not set\n"); - return -ENODEV; + dev_err(&interface->dev, + "driver bug: interface data size not set\n"); + ret = -ENODEV; + goto err_put; } line6 = kzalloc(size, GFP_KERNEL); - if (line6 == NULL) { - dev_err(&interface->dev, "Out of memory\n"); - return -ENOMEM; + ret = -ENODEV; + goto err_put; } /* store basic data: */ @@ -853,16 +841,19 @@ 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"); } } @@ -870,20 +861,18 @@ 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"); - line6_destruct(interface); - return -ENOMEM; + ret = -ENOMEM; + 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"); - line6_destruct(interface); - return -ENOMEM; + ret = -ENOMEM; + goto err_destruct; } line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL); @@ -891,15 +880,15 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ if (line6->urb_listen == NULL) { dev_err(&interface->dev, "Out of memory\n"); line6_destruct(interface); - return -ENOMEM; + ret = -ENOMEM; + goto err_destruct; } ret = line6_start_listen(line6); if (ret < 0) { dev_err(&interface->dev, "%s: usb_submit_urb failed\n", __func__); - line6_destruct(interface); - return ret; + goto err_destruct; } } @@ -913,17 +902,28 @@ 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_PODHD300: + case LINE6_DEVID_PODHD400: + case LINE6_DEVID_PODHD500: + ret = line6_podhd_init(interface, + (struct usb_line6_podhd *)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: @@ -936,14 +936,21 @@ 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: @@ -951,22 +958,36 @@ static int line6_probe(struct usb_interface *interface, const struct usb_device_ ret = -ENODEV; } - if (ret < 0) { - line6_destruct(interface); - return ret; - } + if (ret < 0) + goto err_destruct; ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj, "usb_device"); - if (ret < 0) { - line6_destruct(interface); - return ret; - } + 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: + line6_destruct(interface); +err_put: return ret; } @@ -977,7 +998,7 @@ static void line6_disconnect(struct usb_interface *interface) { struct usb_line6 *line6; struct usb_device *usbdev; - int interface_number, i; + int interface_number; if (interface == NULL) return; @@ -985,6 +1006,8 @@ 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; @@ -992,13 +1015,13 @@ 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, "driver bug: inconsistent usb device\n"); - switch (line6->usbdev->descriptor.idProduct) { + switch (le16_to_cpu(line6->usbdev->descriptor.idProduct)) { case LINE6_DEVID_BASSPODXT: case LINE6_DEVID_BASSPODXTLIVE: case LINE6_DEVID_BASSPODXTPRO: @@ -1007,43 +1030,48 @@ 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_PODHD300: + case LINE6_DEVID_PODHD400: + case LINE6_DEVID_PODHD500: + line6_podhd_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); - - for (i = LINE6_MAX_DEVICES; i--;) { - if (line6_devices[i] == line6) - line6_devices[i] = NULL; - } + dev_info(&interface->dev, "Line6 %s now disconnected\n", + line6->properties->name); } line6_destruct(interface); @@ -1051,55 +1079,82 @@ static void line6_disconnect(struct usb_interface *interface) /* decrement reference counters: */ usb_put_intf(interface); usb_put_dev(usbdev); - - line6_list_devices(); } -static struct usb_driver line6_driver = { - .name = DRIVER_NAME, - .probe = line6_probe, - .disconnect = line6_disconnect, - .id_table = line6_id_table, -}; +#ifdef CONFIG_PM /* - Module initialization. + Suspend Line6 device. */ -static int __init line6_init(void) +static int line6_suspend(struct usb_interface *interface, pm_message_t message) { - int i, retval; + struct usb_line6 *line6 = usb_get_intfdata(interface); + struct snd_line6_pcm *line6pcm = line6->line6pcm; - printk(KERN_INFO "%s driver version %s%s\n", - DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION); - line6_workqueue = create_workqueue(DRIVER_NAME); + snd_power_change_state(line6->card, SNDRV_CTL_POWER_D3hot); - if (line6_workqueue == NULL) { - err("couldn't create workqueue"); - return -EINVAL; + 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; } - for (i = LINE6_MAX_DEVICES; i--;) - line6_devices[i] = NULL; + return 0; +} - retval = usb_register(&line6_driver); +/* + Resume Line6 device. +*/ +static int line6_resume(struct usb_interface *interface) +{ + struct usb_line6 *line6 = usb_get_intfdata(interface); - if (retval) - err("usb_register failed. Error number %d", retval); + if (line6->properties->capabilities & LINE6_BIT_CONTROL) + line6_start_listen(line6); - return retval; + snd_power_change_state(line6->card, SNDRV_CTL_POWER_D0); + return 0; } /* - Module cleanup. + Resume Line6 device after reset. */ -static void __exit line6_exit(void) +static int line6_reset_resume(struct usb_interface *interface) { - destroy_workqueue(line6_workqueue); - usb_deregister(&line6_driver); + struct usb_line6 *line6 = usb_get_intfdata(interface); + + switch (le16_to_cpu(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); + } + + return line6_resume(interface); } -module_init(line6_init); -module_exit(line6_exit); +#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, +}; + +module_usb_driver(line6_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); |