diff options
Diffstat (limited to 'drivers/usb/gadget/gmidi.c')
-rw-r--r-- | drivers/usb/gadget/gmidi.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c deleted file mode 100644 index e879e2c9f461..000000000000 --- a/drivers/usb/gadget/gmidi.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * gmidi.c -- USB MIDI Gadget Driver - * - * Copyright (C) 2006 Thumtronics Pty Ltd. - * Developed for Thumtronics by Grey Innovation - * Ben Williamson <ben.williamson@greyinnovation.com> - * - * This software is distributed under the terms of the GNU General Public - * License ("GPL") version 2, as published by the Free Software Foundation. - * - * This code is based in part on: - * - * Gadget Zero driver, Copyright (C) 2003-2004 David Brownell. - * USB Audio driver, Copyright (C) 2002 by Takashi Iwai. - * USB MIDI driver, Copyright (C) 2002-2005 Clemens Ladisch. - * - * Refer to the USB Device Class Definition for MIDI Devices: - * http://www.usb.org/developers/devclass_docs/midi10.pdf - */ - -/* #define VERBOSE_DEBUG */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/device.h> - -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/rawmidi.h> - -#include <linux/usb/ch9.h> -#include <linux/usb/composite.h> -#include <linux/usb/gadget.h> -#include <linux/usb/audio.h> -#include <linux/usb/midi.h> - -#include "gadget_chips.h" - -#include "f_midi.c" - -/*-------------------------------------------------------------------------*/ - -MODULE_AUTHOR("Ben Williamson"); -MODULE_LICENSE("GPL v2"); - -static const char shortname[] = "g_midi"; -static const char longname[] = "MIDI Gadget"; - -USB_GADGET_COMPOSITE_OPTIONS(); - -static int index = SNDRV_DEFAULT_IDX1; -module_param(index, int, S_IRUGO); -MODULE_PARM_DESC(index, "Index value for the USB MIDI Gadget adapter."); - -static char *id = SNDRV_DEFAULT_STR1; -module_param(id, charp, S_IRUGO); -MODULE_PARM_DESC(id, "ID string for the USB MIDI Gadget adapter."); - -static unsigned int buflen = 256; -module_param(buflen, uint, S_IRUGO); -MODULE_PARM_DESC(buflen, "MIDI buffer length"); - -static unsigned int qlen = 32; -module_param(qlen, uint, S_IRUGO); -MODULE_PARM_DESC(qlen, "USB read request queue length"); - -static unsigned int in_ports = 1; -module_param(in_ports, uint, S_IRUGO); -MODULE_PARM_DESC(in_ports, "Number of MIDI input ports"); - -static unsigned int out_ports = 1; -module_param(out_ports, uint, S_IRUGO); -MODULE_PARM_DESC(out_ports, "Number of MIDI output ports"); - -/* Thanks to Grey Innovation for donating this product ID. - * - * DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! - * Instead: allocate your own, using normal USB-IF procedures. - */ -#define DRIVER_VENDOR_NUM 0x17b3 /* Grey Innovation */ -#define DRIVER_PRODUCT_NUM 0x0004 /* Linux-USB "MIDI Gadget" */ - -/* string IDs are assigned dynamically */ - -#define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX - -static struct usb_device_descriptor device_desc = { - .bLength = USB_DT_DEVICE_SIZE, - .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), - .bDeviceClass = USB_CLASS_PER_INTERFACE, - .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_NUM), - .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_NUM), - /* .iManufacturer = DYNAMIC */ - /* .iProduct = DYNAMIC */ - .bNumConfigurations = 1, -}; - -static struct usb_string strings_dev[] = { - [USB_GADGET_MANUFACTURER_IDX].s = "Grey Innovation", - [USB_GADGET_PRODUCT_IDX].s = "MIDI Gadget", - [USB_GADGET_SERIAL_IDX].s = "", - [STRING_DESCRIPTION_IDX].s = "MIDI", - { } /* end of list */ -}; - -static struct usb_gadget_strings stringtab_dev = { - .language = 0x0409, /* en-us */ - .strings = strings_dev, -}; - -static struct usb_gadget_strings *dev_strings[] = { - &stringtab_dev, - NULL, -}; - -static int __exit midi_unbind(struct usb_composite_dev *dev) -{ - return 0; -} - -static struct usb_configuration midi_config = { - .label = "MIDI Gadget", - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_ONE, - .MaxPower = CONFIG_USB_GADGET_VBUS_DRAW, -}; - -static int __init midi_bind_config(struct usb_configuration *c) -{ - return f_midi_bind_config(c, index, id, - in_ports, out_ports, - buflen, qlen); -} - -static int __init midi_bind(struct usb_composite_dev *cdev) -{ - int status; - - status = usb_string_ids_tab(cdev, strings_dev); - if (status < 0) - return status; - device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; - device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; - midi_config.iConfiguration = strings_dev[STRING_DESCRIPTION_IDX].id; - - status = usb_add_config(cdev, &midi_config, midi_bind_config); - if (status < 0) - return status; - usb_composite_overwrite_options(cdev, &coverwrite); - pr_info("%s\n", longname); - return 0; -} - -static __refdata struct usb_composite_driver midi_driver = { - .name = (char *) longname, - .dev = &device_desc, - .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, - .bind = midi_bind, - .unbind = __exit_p(midi_unbind), -}; - -static int __init midi_init(void) -{ - return usb_composite_probe(&midi_driver); -} -module_init(midi_init); - -static void __exit midi_cleanup(void) -{ - usb_composite_unregister(&midi_driver); -} -module_exit(midi_cleanup); - |