freebsd-dev/sys/dev/usb/template/usb_template_msc.c
Andrew Thompson ed6d949afd - Make struct usb_xfer opaque so that drivers can not access the internals
- Reduce the number of headers needed for a usb driver, the common case is just   usb.h and usbdi.h
2009-06-23 02:19:59 +00:00

218 lines
6.1 KiB
C

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*-
* Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
* All rights reserved.
*
* 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 Mass Storage Device.
*/
#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/linker_set.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/template/usb_template.h>
enum {
STRING_LANG_INDEX,
STRING_MSC_DATA_INDEX,
STRING_MSC_CONFIG_INDEX,
STRING_MSC_VENDOR_INDEX,
STRING_MSC_PRODUCT_INDEX,
STRING_MSC_SERIAL_INDEX,
STRING_MSC_MAX,
};
#define STRING_LANG \
0x09, 0x04, /* American English */
#define STRING_MSC_DATA \
'U', 0, 'S', 0, 'B', 0, ' ', 0, \
'M', 0, 'a', 0, 's', 0, 's', 0, \
' ', 0, 'S', 0, 't', 0, 'o', 0, \
'r', 0, 'a', 0, 'g', 0, 'e', 0, \
' ', 0, 'I', 0, 'n', 0, 't', 0, \
'e', 0, 'r', 0, 'f', 0, 'a', 0, \
'c', 0, 'e', 0,
#define STRING_MSC_CONFIG \
'D', 0, 'e', 0, 'f', 0, 'a', 0, \
'u', 0, 'l', 0, 't', 0, ' ', 0, \
'c', 0, 'o', 0, 'n', 0, 'f', 0, \
'i', 0, 'g', 0,
#define STRING_MSC_VENDOR \
'F', 0, 'r', 0, 'e', 0, 'e', 0, \
'B', 0, 'S', 0, 'D', 0, ' ', 0, \
'f', 0, 'o', 0, 'u', 0, 'n', 0, \
'd', 0, 'a', 0, 't', 0, 'i', 0, \
'o', 0, 'n', 0,
#define STRING_MSC_PRODUCT \
'U', 0, 'S', 0, 'B', 0, ' ', 0, \
'M', 0, 'e', 0, 'm', 0, 'o', 0, \
'r', 0, 'y', 0, ' ', 0, 'S', 0, \
't', 0, 'i', 0, 'c', 0, 'k', 0
#define STRING_MSC_SERIAL \
'M', 0, 'a', 0, 'r', 0, 'c', 0, \
'h', 0, ' ', 0, '2', 0, '0', 0, \
'0', 0, '8', 0,
/* make the real string descriptors */
USB_MAKE_STRING_DESC(STRING_LANG, string_lang);
USB_MAKE_STRING_DESC(STRING_MSC_DATA, string_msc_data);
USB_MAKE_STRING_DESC(STRING_MSC_CONFIG, string_msc_config);
USB_MAKE_STRING_DESC(STRING_MSC_VENDOR, string_msc_vendor);
USB_MAKE_STRING_DESC(STRING_MSC_PRODUCT, string_msc_product);
USB_MAKE_STRING_DESC(STRING_MSC_SERIAL, string_msc_serial);
/* prototypes */
static usb_temp_get_string_desc_t msc_get_string_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_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 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 *msc_data_endpoints[] = {
&bulk_in_ep,
&bulk_out_ep,
NULL,
};
static const struct usb_temp_interface_desc msc_data_interface = {
.ppEndpoints = msc_data_endpoints,
.bInterfaceClass = UICLASS_MASS,
.bInterfaceSubClass = UISUBCLASS_SCSI,
.bInterfaceProtocol = UIPROTO_MASS_BBB,
.iInterface = STRING_MSC_DATA_INDEX,
};
static const struct usb_temp_interface_desc *msc_interfaces[] = {
&msc_data_interface,
NULL,
};
static const struct usb_temp_config_desc msc_config_desc = {
.ppIfaceDesc = msc_interfaces,
.bmAttributes = UC_BUS_POWERED,
.bMaxPower = 25, /* 50 mA */
.iConfiguration = STRING_MSC_CONFIG_INDEX,
};
static const struct usb_temp_config_desc *msc_configs[] = {
&msc_config_desc,
NULL,
};
const struct usb_temp_device_desc usb_template_msc = {
.getStringDesc = &msc_get_string_desc,
.ppConfigDesc = msc_configs,
.idVendor = 0x0001,
.idProduct = 0x0001,
.bcdDevice = 0x0100,
.bDeviceClass = UDCLASS_COMM,
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.iManufacturer = STRING_MSC_VENDOR_INDEX,
.iProduct = STRING_MSC_PRODUCT_INDEX,
.iSerialNumber = STRING_MSC_SERIAL_INDEX,
};
/*------------------------------------------------------------------------*
* msc_get_string_desc
*
* Return values:
* NULL: Failure. No such string.
* Else: Success. Pointer to string descriptor is returned.
*------------------------------------------------------------------------*/
static const void *
msc_get_string_desc(uint16_t lang_id, uint8_t string_index)
{
static const void *ptr[STRING_MSC_MAX] = {
[STRING_LANG_INDEX] = &string_lang,
[STRING_MSC_DATA_INDEX] = &string_msc_data,
[STRING_MSC_CONFIG_INDEX] = &string_msc_config,
[STRING_MSC_VENDOR_INDEX] = &string_msc_vendor,
[STRING_MSC_PRODUCT_INDEX] = &string_msc_product,
[STRING_MSC_SERIAL_INDEX] = &string_msc_serial,
};
if (string_index == 0) {
return (&string_lang);
}
if (lang_id != 0x0409) {
return (NULL);
}
if (string_index < STRING_MSC_MAX) {
return (ptr[string_index]);
}
return (NULL);
}