/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2008 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 templates for an USB Media Transfer * Protocol device. * * NOTE: It is common practice that MTP devices use some dummy * descriptor cludges to be automatically detected by the host * operating system. These descriptors are documented in the LibMTP * library at sourceforge.net. The alternative is to supply the host * operating system the VID and PID of your device. */ #ifdef USB_GLOBAL_INCLUDE_FILE #include USB_GLOBAL_INCLUDE_FILE #else #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif /* USB_GLOBAL_INCLUDE_FILE */ #define MTP_BREQUEST 0x08 enum { MTP_LANG_INDEX, MTP_INTERFACE_INDEX, MTP_CONFIGURATION_INDEX, MTP_MANUFACTURER_INDEX, MTP_PRODUCT_INDEX, MTP_SERIAL_NUMBER_INDEX, MTP_MAX_INDEX, }; #define MTP_DEFAULT_VENDOR_ID USB_TEMPLATE_VENDOR #define MTP_DEFAULT_PRODUCT_ID 0x27e2 #define MTP_DEFAULT_INTERFACE "USB MTP Interface" #define MTP_DEFAULT_CONFIGURATION "Default Config" #define MTP_DEFAULT_MANUFACTURER USB_TEMPLATE_MANUFACTURER #define MTP_DEFAULT_PRODUCT "USB MTP" #define MTP_DEFAULT_SERIAL_NUMBER "June 2008" static struct usb_string_descriptor mtp_interface; static struct usb_string_descriptor mtp_configuration; static struct usb_string_descriptor mtp_manufacturer; static struct usb_string_descriptor mtp_product; static struct usb_string_descriptor mtp_serial_number; static struct sysctl_ctx_list mtp_ctx_list; /* prototypes */ static usb_temp_get_string_desc_t mtp_get_string_desc; static usb_temp_get_vendor_desc_t mtp_get_vendor_desc; static const struct usb_temp_packet_size bulk_mps = { .mps[USB_SPEED_FULL] = 64, .mps[USB_SPEED_HIGH] = 512, }; static const struct usb_temp_packet_size intr_mps = { .mps[USB_SPEED_FULL] = 64, .mps[USB_SPEED_HIGH] = 64, }; static const struct usb_temp_endpoint_desc bulk_out_ep = { .pPacketSize = &bulk_mps, #ifdef USB_HIP_OUT_EP_0 .bEndpointAddress = USB_HIP_OUT_EP_0, #else .bEndpointAddress = UE_DIR_OUT, #endif .bmAttributes = UE_BULK, }; static const struct usb_temp_endpoint_desc intr_in_ep = { .pPacketSize = &intr_mps, .bEndpointAddress = UE_DIR_IN, .bmAttributes = UE_INTERRUPT, }; static const struct usb_temp_endpoint_desc bulk_in_ep = { .pPacketSize = &bulk_mps, #ifdef USB_HIP_IN_EP_0 .bEndpointAddress = USB_HIP_IN_EP_0, #else .bEndpointAddress = UE_DIR_IN, #endif .bmAttributes = UE_BULK, }; static const struct usb_temp_endpoint_desc *mtp_data_endpoints[] = { &bulk_in_ep, &bulk_out_ep, &intr_in_ep, NULL, }; static const struct usb_temp_interface_desc mtp_data_interface = { .ppEndpoints = mtp_data_endpoints, .bInterfaceClass = UICLASS_IMAGE, .bInterfaceSubClass = UISUBCLASS_SIC, /* Still Image Class */ .bInterfaceProtocol = 1, /* PIMA 15740 */ .iInterface = MTP_INTERFACE_INDEX, }; static const struct usb_temp_interface_desc *mtp_interfaces[] = { &mtp_data_interface, NULL, }; static const struct usb_temp_config_desc mtp_config_desc = { .ppIfaceDesc = mtp_interfaces, .bmAttributes = 0, .bMaxPower = 0, .iConfiguration = MTP_CONFIGURATION_INDEX, }; static const struct usb_temp_config_desc *mtp_configs[] = { &mtp_config_desc, NULL, }; struct usb_temp_device_desc usb_template_mtp = { .getStringDesc = &mtp_get_string_desc, .getVendorDesc = &mtp_get_vendor_desc, .ppConfigDesc = mtp_configs, .idVendor = MTP_DEFAULT_VENDOR_ID, .idProduct = MTP_DEFAULT_PRODUCT_ID, .bcdDevice = 0x0100, .bDeviceClass = 0, .bDeviceSubClass = 0, .bDeviceProtocol = 0, .iManufacturer = MTP_MANUFACTURER_INDEX, .iProduct = MTP_PRODUCT_INDEX, .iSerialNumber = MTP_SERIAL_NUMBER_INDEX, }; /*------------------------------------------------------------------------* * mtp_get_vendor_desc * * Return values: * NULL: Failure. No such vendor descriptor. * Else: Success. Pointer to vendor descriptor is returned. *------------------------------------------------------------------------*/ static const void * mtp_get_vendor_desc(const struct usb_device_request *req, uint16_t *plen) { static const uint8_t dummy_desc[0x28] = { 0x28, 0, 0, 0, 0, 1, 4, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0x4D, 0x54, 0x50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; if ((req->bmRequestType == UT_READ_VENDOR_DEVICE) && (req->bRequest == MTP_BREQUEST) && (req->wValue[0] == 0) && (req->wValue[1] == 0) && (req->wIndex[1] == 0) && ((req->wIndex[0] == 4) || (req->wIndex[0] == 5))) { /* * By returning this descriptor LibMTP will * automatically pickup our device. */ return (dummy_desc); } return (NULL); } /*------------------------------------------------------------------------* * mtp_get_string_desc * * Return values: * NULL: Failure. No such string. * Else: Success. Pointer to string descriptor is returned. *------------------------------------------------------------------------*/ static const void * mtp_get_string_desc(uint16_t lang_id, uint8_t string_index) { static const void *ptr[MTP_MAX_INDEX] = { [MTP_LANG_INDEX] = &usb_string_lang_en, [MTP_INTERFACE_INDEX] = &mtp_interface, [MTP_CONFIGURATION_INDEX] = &mtp_configuration, [MTP_MANUFACTURER_INDEX] = &mtp_manufacturer, [MTP_PRODUCT_INDEX] = &mtp_product, [MTP_SERIAL_NUMBER_INDEX] = &mtp_serial_number, }; static const uint8_t dummy_desc[0x12] = { 0x12, 0x03, 0x4D, 0x00, 0x53, 0x00, 0x46, 0x00, 0x54, 0x00, 0x31, 0x00, 0x30, 0x00, 0x30, 0x00, MTP_BREQUEST, 0x00, }; if (string_index == 0xEE) { /* * By returning this string LibMTP will automatically * pickup our device. */ return (dummy_desc); } if (string_index == 0) { return (&usb_string_lang_en); } if (lang_id != 0x0409) { return (NULL); } if (string_index < MTP_MAX_INDEX) { return (ptr[string_index]); } return (NULL); } static void mtp_init(void *arg __unused) { struct sysctl_oid *parent; char parent_name[3]; usb_make_str_desc(&mtp_interface, sizeof(mtp_interface), MTP_DEFAULT_INTERFACE); usb_make_str_desc(&mtp_configuration, sizeof(mtp_configuration), MTP_DEFAULT_CONFIGURATION); usb_make_str_desc(&mtp_manufacturer, sizeof(mtp_manufacturer), MTP_DEFAULT_MANUFACTURER); usb_make_str_desc(&mtp_product, sizeof(mtp_product), MTP_DEFAULT_PRODUCT); usb_make_str_desc(&mtp_serial_number, sizeof(mtp_serial_number), MTP_DEFAULT_SERIAL_NUMBER); snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_MTP); sysctl_ctx_init(&mtp_ctx_list); parent = SYSCTL_ADD_NODE(&mtp_ctx_list, SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO, parent_name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "USB Media Transfer Protocol device side template"); SYSCTL_ADD_U16(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "vendor_id", CTLFLAG_RWTUN, &usb_template_mtp.idVendor, 1, "Vendor identifier"); SYSCTL_ADD_U16(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "product_id", CTLFLAG_RWTUN, &usb_template_mtp.idProduct, 1, "Product identifier"); #if 0 SYSCTL_ADD_PROC(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "interface", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, &mtp_interface, sizeof(mtp_interface), usb_temp_sysctl, "A", "Interface string"); SYSCTL_ADD_PROC(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "configuration", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, &mtp_configuration, sizeof(mtp_configuration), usb_temp_sysctl, "A", "Configuration string"); #endif SYSCTL_ADD_PROC(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, &mtp_manufacturer, sizeof(mtp_manufacturer), usb_temp_sysctl, "A", "Manufacturer string"); SYSCTL_ADD_PROC(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, &mtp_product, sizeof(mtp_product), usb_temp_sysctl, "A", "Product string"); SYSCTL_ADD_PROC(&mtp_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO, "serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, &mtp_serial_number, sizeof(mtp_serial_number), usb_temp_sysctl, "A", "Serial number string"); } static void mtp_uninit(void *arg __unused) { sysctl_ctx_free(&mtp_ctx_list); } SYSINIT(mtp_init, SI_SUB_LOCK, SI_ORDER_FIRST, mtp_init, NULL); SYSUNINIT(mtp_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, mtp_uninit, NULL);