freebsd-skq/sys/dev/usb/template/usb_template_midi.c
trasz cf52a55829 Centralize USB device mode bus power reporting, and add
hw.usb.template_power sysctl to control it.

Reviewed by:	hselasky@ (earlier version)
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
2018-05-23 20:06:04 +00:00

315 lines
9.1 KiB
C

/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2015 Hans Petter Selasky
* Copyright (c) 2018 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by Edward Tomasz Napierala
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* This file contains the USB template for an USB MIDI Device.
*/
#ifdef USB_GLOBAL_INCLUDE_FILE
#include USB_GLOBAL_INCLUDE_FILE
#else
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_ioctl.h>
#include <dev/usb/usb_util.h>
#include <dev/usb/template/usb_template.h>
#endif /* USB_GLOBAL_INCLUDE_FILE */
enum {
MIDI_LANG_INDEX,
MIDI_INTERFACE_INDEX,
MIDI_MANUFACTURER_INDEX,
MIDI_PRODUCT_INDEX,
MIDI_SERIAL_NUMBER_INDEX,
MIDI_MAX_INDEX,
};
#define MIDI_DEFAULT_VENDOR_ID USB_TEMPLATE_VENDOR
#define MIDI_DEFAULT_PRODUCT_ID 0x27de
#define MIDI_DEFAULT_INTERFACE "MIDI interface"
#define MIDI_DEFAULT_MANUFACTURER USB_TEMPLATE_MANUFACTURER
#define MIDI_DEFAULT_PRODUCT "MIDI Test Device"
#define MIDI_DEFAULT_SERIAL_NUMBER "March 2008"
static struct usb_string_descriptor midi_interface;
static struct usb_string_descriptor midi_manufacturer;
static struct usb_string_descriptor midi_product;
static struct usb_string_descriptor midi_serial_number;
static struct sysctl_ctx_list midi_ctx_list;
/* prototypes */
static const uint8_t midi_desc_raw_0[9] = {
0x09, 0x24, 0x01, 0x00, 0x01, 0x09, 0x00, 0x01, 0x01
};
static const void *midi_descs_0[] = {
&midi_desc_raw_0,
NULL
};
static const struct usb_temp_interface_desc midi_iface_0 = {
.ppEndpoints = NULL, /* no endpoints */
.ppRawDesc = midi_descs_0,
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_AUDIOCONTROL,
.bInterfaceProtocol = 0,
.iInterface = MIDI_INTERFACE_INDEX,
};
static const struct usb_temp_packet_size midi_mps = {
.mps[USB_SPEED_LOW] = 8,
.mps[USB_SPEED_FULL] = 64,
.mps[USB_SPEED_HIGH] = 512,
};
static const uint8_t midi_desc_raw_7[5] = {
0x05, 0x25, 0x01, 0x01, 0x01
};
static const void *midi_descs_2[] = {
&midi_desc_raw_7,
NULL
};
static const struct usb_temp_endpoint_desc midi_bulk_out_ep = {
.ppRawDesc = midi_descs_2,
.pPacketSize = &midi_mps,
.bEndpointAddress = UE_DIR_OUT,
.bmAttributes = UE_BULK,
};
static const uint8_t midi_desc_raw_6[5] = {
0x05, 0x25, 0x01, 0x01, 0x03,
};
static const void *midi_descs_3[] = {
&midi_desc_raw_6,
NULL
};
static const struct usb_temp_endpoint_desc midi_bulk_in_ep = {
.ppRawDesc = midi_descs_3,
.pPacketSize = &midi_mps,
.bEndpointAddress = UE_DIR_IN,
.bmAttributes = UE_BULK,
};
static const struct usb_temp_endpoint_desc *midi_iface_1_ep[] = {
&midi_bulk_out_ep,
&midi_bulk_in_ep,
NULL,
};
static const uint8_t midi_desc_raw_1[7] = {
0x07, 0x24, 0x01, 0x00, 0x01, /* wTotalLength: */ 0x41, 0x00
};
static const uint8_t midi_desc_raw_2[6] = {
0x06, 0x24, 0x02, 0x01, 0x01, 0x00
};
static const uint8_t midi_desc_raw_3[6] = {
0x06, 0x24, 0x02, 0x02, 0x02, 0x00
};
static const uint8_t midi_desc_raw_4[9] = {
0x09, 0x24, 0x03, 0x01, 0x03, 0x01, 0x02, 0x01, 0x00
};
static const uint8_t midi_desc_raw_5[9] = {
0x09, 0x24, 0x03, 0x02, 0x04, 0x01, 0x01, 0x01, 0x00
};
static const void *midi_descs_1[] = {
&midi_desc_raw_1,
&midi_desc_raw_2,
&midi_desc_raw_3,
&midi_desc_raw_4,
&midi_desc_raw_5,
NULL
};
static const struct usb_temp_interface_desc midi_iface_1 = {
.ppRawDesc = midi_descs_1,
.ppEndpoints = midi_iface_1_ep,
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_MIDISTREAM,
.bInterfaceProtocol = 0,
.iInterface = MIDI_INTERFACE_INDEX,
};
static const struct usb_temp_interface_desc *midi_interfaces[] = {
&midi_iface_0,
&midi_iface_1,
NULL,
};
static const struct usb_temp_config_desc midi_config_desc = {
.ppIfaceDesc = midi_interfaces,
.bmAttributes = 0,
.bMaxPower = 0,
.iConfiguration = MIDI_PRODUCT_INDEX,
};
static const struct usb_temp_config_desc *midi_configs[] = {
&midi_config_desc,
NULL,
};
static usb_temp_get_string_desc_t midi_get_string_desc;
struct usb_temp_device_desc usb_template_midi = {
.getStringDesc = &midi_get_string_desc,
.ppConfigDesc = midi_configs,
.idVendor = MIDI_DEFAULT_VENDOR_ID,
.idProduct = MIDI_DEFAULT_PRODUCT_ID,
.bcdDevice = 0x0100,
.bDeviceClass = 0,
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.iManufacturer = MIDI_MANUFACTURER_INDEX,
.iProduct = MIDI_PRODUCT_INDEX,
.iSerialNumber = MIDI_SERIAL_NUMBER_INDEX,
};
/*------------------------------------------------------------------------*
* midi_get_string_desc
*
* Return values:
* NULL: Failure. No such string.
* Else: Success. Pointer to string descriptor is returned.
*------------------------------------------------------------------------*/
static const void *
midi_get_string_desc(uint16_t lang_id, uint8_t string_index)
{
static const void *ptr[MIDI_MAX_INDEX] = {
[MIDI_LANG_INDEX] = &usb_string_lang_en,
[MIDI_INTERFACE_INDEX] = &midi_interface,
[MIDI_MANUFACTURER_INDEX] = &midi_manufacturer,
[MIDI_PRODUCT_INDEX] = &midi_product,
[MIDI_SERIAL_NUMBER_INDEX] = &midi_serial_number,
};
if (string_index == 0) {
return (&usb_string_lang_en);
}
if (lang_id != 0x0409) {
return (NULL);
}
if (string_index < MIDI_MAX_INDEX) {
return (ptr[string_index]);
}
return (NULL);
}
static void
midi_init(void *arg __unused)
{
struct sysctl_oid *parent;
char parent_name[3];
usb_make_str_desc(&midi_interface, sizeof(midi_interface),
MIDI_DEFAULT_INTERFACE);
usb_make_str_desc(&midi_manufacturer, sizeof(midi_manufacturer),
MIDI_DEFAULT_MANUFACTURER);
usb_make_str_desc(&midi_product, sizeof(midi_product),
MIDI_DEFAULT_PRODUCT);
usb_make_str_desc(&midi_serial_number, sizeof(midi_serial_number),
MIDI_DEFAULT_SERIAL_NUMBER);
snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_MIDI);
sysctl_ctx_init(&midi_ctx_list);
parent = SYSCTL_ADD_NODE(&midi_ctx_list,
SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
parent_name, CTLFLAG_RW,
0, "USB MIDI device side template");
SYSCTL_ADD_U16(&midi_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"vendor_id", CTLFLAG_RWTUN,
&usb_template_midi.idVendor, 1, "Vendor identifier");
SYSCTL_ADD_U16(&midi_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"product_id", CTLFLAG_RWTUN,
&usb_template_midi.idProduct, 1, "Product identifier");
#if 0
SYSCTL_ADD_PROC(&midi_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"interface", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&midi_interface, sizeof(midi_interface), usb_temp_sysctl,
"A", "Interface string");
#endif
SYSCTL_ADD_PROC(&midi_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&midi_manufacturer, sizeof(midi_manufacturer), usb_temp_sysctl,
"A", "Manufacturer string");
SYSCTL_ADD_PROC(&midi_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&midi_product, sizeof(midi_product), usb_temp_sysctl,
"A", "Product string");
SYSCTL_ADD_PROC(&midi_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&midi_serial_number, sizeof(midi_serial_number), usb_temp_sysctl,
"A", "Serial number string");
}
static void
midi_uninit(void *arg __unused)
{
sysctl_ctx_free(&midi_ctx_list);
}
SYSINIT(midi_init, SI_SUB_LOCK, SI_ORDER_FIRST, midi_init, NULL);
SYSUNINIT(midi_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, midi_uninit, NULL);