freebsd-nq/sys/dev/usb/template/usb_template_audio.c
Edward Tomasz Napierala d01c1c8bfe Use USB Vendor Identifiers and Product Identifiers provided by V-USB
(https://github.com/obdev/v-usb/blob/master/usbdrv/USB-IDs-for-free.txt).
Previously we were using an invalid (not assigned to us) VID.

Reviewed by:	hselasky@
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
2018-05-21 15:06:19 +00:00

481 lines
14 KiB
C

/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2010 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 Audio 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_cdc.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 {
AUDIO_LANG_INDEX,
AUDIO_MIXER_INDEX,
AUDIO_RECORD_INDEX,
AUDIO_PLAYBACK_INDEX,
AUDIO_MANUFACTURER_INDEX,
AUDIO_PRODUCT_INDEX,
AUDIO_SERIAL_NUMBER_INDEX,
AUDIO_MAX_INDEX,
};
#define AUDIO_DEFAULT_VENDOR_ID USB_TEMPLATE_VENDOR
#define AUDIO_DEFAULT_PRODUCT_ID 0x05dc
#define AUDIO_DEFAULT_MIXER "Mixer interface"
#define AUDIO_DEFAULT_RECORD "Record interface"
#define AUDIO_DEFAULT_PLAYBACK "Playback interface"
#define AUDIO_DEFAULT_MANUFACTURER USB_TEMPLATE_MANUFACTURER
#define AUDIO_DEFAULT_PRODUCT "Audio Test Device"
#define AUDIO_DEFAULT_SERIAL_NUMBER "March 2008"
static struct usb_string_descriptor audio_mixer;
static struct usb_string_descriptor audio_record;
static struct usb_string_descriptor audio_playback;
static struct usb_string_descriptor audio_manufacturer;
static struct usb_string_descriptor audio_product;
static struct usb_string_descriptor audio_serial_number;
static struct sysctl_ctx_list audio_ctx_list;
/* prototypes */
/*
* Audio Mixer description structures
*
* Some of the audio descriptors were dumped
* from a Creative Labs USB audio device.
*/
static const uint8_t audio_raw_desc_0[] = {
0x0a, 0x24, 0x01, 0x00, 0x01, 0xa9, 0x00, 0x02,
0x01, 0x02
};
static const uint8_t audio_raw_desc_1[] = {
0x0c, 0x24, 0x02, 0x01, 0x01, 0x01, 0x00, 0x02,
0x03, 0x00, 0x00, 0x00
};
static const uint8_t audio_raw_desc_2[] = {
0x0c, 0x24, 0x02, 0x02, 0x01, 0x02, 0x00, 0x02,
0x03, 0x00, 0x00, 0x00
};
static const uint8_t audio_raw_desc_3[] = {
0x0c, 0x24, 0x02, 0x03, 0x03, 0x06, 0x00, 0x02,
0x03, 0x00, 0x00, 0x00
};
static const uint8_t audio_raw_desc_4[] = {
0x0c, 0x24, 0x02, 0x04, 0x05, 0x06, 0x00, 0x02,
0x03, 0x00, 0x00, 0x00
};
static const uint8_t audio_raw_desc_5[] = {
0x09, 0x24, 0x03, 0x05, 0x05, 0x06, 0x00, 0x01,
0x00
};
static const uint8_t audio_raw_desc_6[] = {
0x09, 0x24, 0x03, 0x06, 0x01, 0x03, 0x00, 0x09,
0x00
};
static const uint8_t audio_raw_desc_7[] = {
0x09, 0x24, 0x03, 0x07, 0x01, 0x01, 0x00, 0x08,
0x00
};
static const uint8_t audio_raw_desc_8[] = {
0x09, 0x24, 0x05, 0x08, 0x03, 0x0a, 0x0b, 0x0c,
0x00
};
static const uint8_t audio_raw_desc_9[] = {
0x0a, 0x24, 0x06, 0x09, 0x0f, 0x01, 0x01, 0x02,
0x02, 0x00
};
static const uint8_t audio_raw_desc_10[] = {
0x0a, 0x24, 0x06, 0x0a, 0x02, 0x01, 0x43, 0x00,
0x00, 0x00
};
static const uint8_t audio_raw_desc_11[] = {
0x0a, 0x24, 0x06, 0x0b, 0x03, 0x01, 0x01, 0x02,
0x02, 0x00
};
static const uint8_t audio_raw_desc_12[] = {
0x0a, 0x24, 0x06, 0x0c, 0x04, 0x01, 0x01, 0x00,
0x00, 0x00
};
static const uint8_t audio_raw_desc_13[] = {
0x0a, 0x24, 0x06, 0x0d, 0x02, 0x01, 0x03, 0x00,
0x00, 0x00
};
static const uint8_t audio_raw_desc_14[] = {
0x0a, 0x24, 0x06, 0x0e, 0x03, 0x01, 0x01, 0x02,
0x02, 0x00
};
static const uint8_t audio_raw_desc_15[] = {
0x0f, 0x24, 0x04, 0x0f, 0x03, 0x01, 0x0d, 0x0e,
0x02, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const void *audio_raw_iface_0_desc[] = {
audio_raw_desc_0,
audio_raw_desc_1,
audio_raw_desc_2,
audio_raw_desc_3,
audio_raw_desc_4,
audio_raw_desc_5,
audio_raw_desc_6,
audio_raw_desc_7,
audio_raw_desc_8,
audio_raw_desc_9,
audio_raw_desc_10,
audio_raw_desc_11,
audio_raw_desc_12,
audio_raw_desc_13,
audio_raw_desc_14,
audio_raw_desc_15,
NULL,
};
static const struct usb_temp_interface_desc audio_iface_0 = {
.ppEndpoints = NULL, /* no endpoints */
.ppRawDesc = audio_raw_iface_0_desc,
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_AUDIOCONTROL,
.bInterfaceProtocol = 0,
.iInterface = AUDIO_MIXER_INDEX,
};
static const uint8_t audio_raw_desc_20[] = {
0x07, 0x24, 0x01, 0x01, 0x03, 0x01, 0x00
};
static const uint8_t audio_raw_desc_21[] = {
0x0b, 0x24, 0x02, 0x01, 0x02, 0x02, 0x10, 0x01,
/* 48kHz */
0x80, 0xbb, 0x00
};
static const uint8_t audio_raw_desc_22[] = {
0x07, 0x25, 0x01, 0x00, 0x01, 0x04, 0x00
};
static const void *audio_raw_iface_1_desc[] = {
audio_raw_desc_20,
audio_raw_desc_21,
NULL,
};
static const void *audio_raw_ep_1_desc[] = {
audio_raw_desc_22,
NULL,
};
static const struct usb_temp_packet_size audio_isoc_mps = {
.mps[USB_SPEED_FULL] = 0xC8,
.mps[USB_SPEED_HIGH] = 0xC8,
};
static const struct usb_temp_interval audio_isoc_interval = {
.bInterval[USB_SPEED_FULL] = 1, /* 1:1 */
.bInterval[USB_SPEED_HIGH] = 4, /* 1:8 */
};
static const struct usb_temp_endpoint_desc audio_isoc_out_ep = {
.ppRawDesc = audio_raw_ep_1_desc,
.pPacketSize = &audio_isoc_mps,
.pIntervals = &audio_isoc_interval,
.bEndpointAddress = UE_DIR_OUT,
.bmAttributes = UE_ISOCHRONOUS | UE_ISO_ADAPT,
};
static const struct usb_temp_endpoint_desc *audio_iface_1_ep[] = {
&audio_isoc_out_ep,
NULL,
};
static const struct usb_temp_interface_desc audio_iface_1_alt_0 = {
.ppEndpoints = NULL, /* no endpoints */
.ppRawDesc = NULL, /* no raw descriptors */
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
.bInterfaceProtocol = 0,
.iInterface = AUDIO_PLAYBACK_INDEX,
};
static const struct usb_temp_interface_desc audio_iface_1_alt_1 = {
.ppEndpoints = audio_iface_1_ep,
.ppRawDesc = audio_raw_iface_1_desc,
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
.bInterfaceProtocol = 0,
.iInterface = AUDIO_PLAYBACK_INDEX,
.isAltInterface = 1, /* this is an alternate setting */
};
static const uint8_t audio_raw_desc_30[] = {
0x07, 0x24, 0x01, 0x07, 0x01, 0x01, 0x00
};
static const uint8_t audio_raw_desc_31[] = {
0x0b, 0x24, 0x02, 0x01, 0x02, 0x02, 0x10, 0x01,
/* 48kHz */
0x80, 0xbb, 0x00
};
static const uint8_t audio_raw_desc_32[] = {
0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00
};
static const void *audio_raw_iface_2_desc[] = {
audio_raw_desc_30,
audio_raw_desc_31,
NULL,
};
static const void *audio_raw_ep_2_desc[] = {
audio_raw_desc_32,
NULL,
};
static const struct usb_temp_endpoint_desc audio_isoc_in_ep = {
.ppRawDesc = audio_raw_ep_2_desc,
.pPacketSize = &audio_isoc_mps,
.pIntervals = &audio_isoc_interval,
.bEndpointAddress = UE_DIR_IN,
.bmAttributes = UE_ISOCHRONOUS | UE_ISO_ADAPT,
};
static const struct usb_temp_endpoint_desc *audio_iface_2_ep[] = {
&audio_isoc_in_ep,
NULL,
};
static const struct usb_temp_interface_desc audio_iface_2_alt_0 = {
.ppEndpoints = NULL, /* no endpoints */
.ppRawDesc = NULL, /* no raw descriptors */
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
.bInterfaceProtocol = 0,
.iInterface = AUDIO_RECORD_INDEX,
};
static const struct usb_temp_interface_desc audio_iface_2_alt_1 = {
.ppEndpoints = audio_iface_2_ep,
.ppRawDesc = audio_raw_iface_2_desc,
.bInterfaceClass = UICLASS_AUDIO,
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
.bInterfaceProtocol = 0,
.iInterface = AUDIO_RECORD_INDEX,
.isAltInterface = 1, /* this is an alternate setting */
};
static const struct usb_temp_interface_desc *audio_interfaces[] = {
&audio_iface_0,
&audio_iface_1_alt_0,
&audio_iface_1_alt_1,
&audio_iface_2_alt_0,
&audio_iface_2_alt_1,
NULL,
};
static const struct usb_temp_config_desc audio_config_desc = {
.ppIfaceDesc = audio_interfaces,
.bmAttributes = UC_BUS_POWERED,
.bMaxPower = 25, /* 50 mA */
.iConfiguration = AUDIO_PRODUCT_INDEX,
};
static const struct usb_temp_config_desc *audio_configs[] = {
&audio_config_desc,
NULL,
};
static usb_temp_get_string_desc_t audio_get_string_desc;
struct usb_temp_device_desc usb_template_audio = {
.getStringDesc = &audio_get_string_desc,
.ppConfigDesc = audio_configs,
.idVendor = AUDIO_DEFAULT_VENDOR_ID,
.idProduct = AUDIO_DEFAULT_PRODUCT_ID,
.bcdDevice = 0x0100,
.bDeviceClass = UDCLASS_COMM,
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.iManufacturer = AUDIO_MANUFACTURER_INDEX,
.iProduct = AUDIO_PRODUCT_INDEX,
.iSerialNumber = AUDIO_SERIAL_NUMBER_INDEX,
};
/*------------------------------------------------------------------------*
* audio_get_string_desc
*
* Return values:
* NULL: Failure. No such string.
* Else: Success. Pointer to string descriptor is returned.
*------------------------------------------------------------------------*/
static const void *
audio_get_string_desc(uint16_t lang_id, uint8_t string_index)
{
static const void *ptr[AUDIO_MAX_INDEX] = {
[AUDIO_LANG_INDEX] = &usb_string_lang_en,
[AUDIO_MIXER_INDEX] = &audio_mixer,
[AUDIO_RECORD_INDEX] = &audio_record,
[AUDIO_PLAYBACK_INDEX] = &audio_playback,
[AUDIO_MANUFACTURER_INDEX] = &audio_manufacturer,
[AUDIO_PRODUCT_INDEX] = &audio_product,
[AUDIO_SERIAL_NUMBER_INDEX] = &audio_serial_number,
};
if (string_index == 0) {
return (&usb_string_lang_en);
}
if (lang_id != 0x0409) {
return (NULL);
}
if (string_index < AUDIO_MAX_INDEX) {
return (ptr[string_index]);
}
return (NULL);
}
static void
audio_init(void *arg __unused)
{
struct sysctl_oid *parent;
char parent_name[3];
usb_make_str_desc(&audio_mixer, sizeof(audio_mixer),
AUDIO_DEFAULT_MIXER);
usb_make_str_desc(&audio_record, sizeof(audio_record),
AUDIO_DEFAULT_RECORD);
usb_make_str_desc(&audio_playback, sizeof(audio_playback),
AUDIO_DEFAULT_PLAYBACK);
usb_make_str_desc(&audio_manufacturer, sizeof(audio_manufacturer),
AUDIO_DEFAULT_MANUFACTURER);
usb_make_str_desc(&audio_product, sizeof(audio_product),
AUDIO_DEFAULT_PRODUCT);
usb_make_str_desc(&audio_serial_number, sizeof(audio_serial_number),
AUDIO_DEFAULT_SERIAL_NUMBER);
snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_AUDIO);
sysctl_ctx_init(&audio_ctx_list);
parent = SYSCTL_ADD_NODE(&audio_ctx_list,
SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
parent_name, CTLFLAG_RW,
0, "USB Audio Interface device side template");
SYSCTL_ADD_U16(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"vendor_id", CTLFLAG_RWTUN, &usb_template_audio.idVendor,
1, "Vendor identifier");
SYSCTL_ADD_U16(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"product_id", CTLFLAG_RWTUN, &usb_template_audio.idProduct,
1, "Product identifier");
#if 0
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"mixer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&audio_mixer, sizeof(audio_mixer), usb_temp_sysctl,
"A", "Mixer interface string");
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"record", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&audio_record, sizeof(audio_record), usb_temp_sysctl,
"A", "Record interface string");
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"playback", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&audio_playback, sizeof(audio_playback), usb_temp_sysctl,
"A", "Playback interface string");
#endif
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&audio_manufacturer, sizeof(audio_manufacturer), usb_temp_sysctl,
"A", "Manufacturer string");
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&audio_product, sizeof(audio_product), usb_temp_sysctl,
"A", "Product string");
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&audio_serial_number, sizeof(audio_serial_number), usb_temp_sysctl,
"A", "Serial number string");
}
static void
audio_uninit(void *arg __unused)
{
sysctl_ctx_free(&audio_ctx_list);
}
SYSINIT(audio_init, SI_SUB_LOCK, SI_ORDER_FIRST, audio_init, NULL);
SYSUNINIT(audio_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, audio_uninit, NULL);