1 #include <sys/cdefs.h>
2 __FBSDID("$FreeBSD$");
3 
4 /*-
5  * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /*
31  * This file contains the USB templates for an USB Mass Storage Device.
32  */
33 
34 #include <sys/stdint.h>
35 #include <sys/stddef.h>
36 #include <sys/param.h>
37 #include <sys/queue.h>
38 #include <sys/types.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/bus.h>
42 #include <sys/linker_set.h>
43 #include <sys/module.h>
44 #include <sys/lock.h>
45 #include <sys/mutex.h>
46 #include <sys/condvar.h>
47 #include <sys/sysctl.h>
48 #include <sys/sx.h>
49 #include <sys/unistd.h>
50 #include <sys/callout.h>
51 #include <sys/malloc.h>
52 #include <sys/priv.h>
53 
54 #include <dev/usb/usb.h>
55 #include <dev/usb/usbdi.h>
56 
57 #include <dev/usb/template/usb_template.h>
58 
59 enum {
60 	STRING_LANG_INDEX,
61 	STRING_MSC_DATA_INDEX,
62 	STRING_MSC_CONFIG_INDEX,
63 	STRING_MSC_VENDOR_INDEX,
64 	STRING_MSC_PRODUCT_INDEX,
65 	STRING_MSC_SERIAL_INDEX,
66 	STRING_MSC_MAX,
67 };
68 
69 #define	STRING_LANG \
70   0x09, 0x04,				/* American English */
71 
72 #define	STRING_MSC_DATA	\
73   'U', 0, 'S', 0, 'B', 0, ' ', 0, \
74   'M', 0, 'a', 0, 's', 0, 's', 0, \
75   ' ', 0, 'S', 0, 't', 0, 'o', 0, \
76   'r', 0, 'a', 0, 'g', 0, 'e', 0, \
77   ' ', 0, 'I', 0, 'n', 0, 't', 0, \
78   'e', 0, 'r', 0, 'f', 0, 'a', 0, \
79   'c', 0, 'e', 0,
80 
81 #define	STRING_MSC_CONFIG \
82   'D', 0, 'e', 0, 'f', 0, 'a', 0, \
83   'u', 0, 'l', 0, 't', 0, ' ', 0, \
84   'c', 0, 'o', 0, 'n', 0, 'f', 0, \
85   'i', 0, 'g', 0,
86 
87 #define	STRING_MSC_VENDOR \
88   'F', 0, 'r', 0, 'e', 0, 'e', 0, \
89   'B', 0, 'S', 0, 'D', 0, ' ', 0, \
90   'f', 0, 'o', 0, 'u', 0, 'n', 0, \
91   'd', 0, 'a', 0, 't', 0, 'i', 0, \
92   'o', 0, 'n', 0,
93 
94 #define	STRING_MSC_PRODUCT \
95   'U', 0, 'S', 0, 'B', 0, ' ', 0, \
96   'M', 0, 'e', 0, 'm', 0, 'o', 0, \
97   'r', 0, 'y', 0, ' ', 0, 'S', 0, \
98   't', 0, 'i', 0, 'c', 0, 'k', 0
99 
100 #define	STRING_MSC_SERIAL \
101   'M', 0, 'a', 0, 'r', 0, 'c', 0, \
102   'h', 0, ' ', 0, '2', 0, '0', 0, \
103   '0', 0, '8', 0,
104 
105 /* make the real string descriptors */
106 
107 USB_MAKE_STRING_DESC(STRING_LANG, string_lang);
108 USB_MAKE_STRING_DESC(STRING_MSC_DATA, string_msc_data);
109 USB_MAKE_STRING_DESC(STRING_MSC_CONFIG, string_msc_config);
110 USB_MAKE_STRING_DESC(STRING_MSC_VENDOR, string_msc_vendor);
111 USB_MAKE_STRING_DESC(STRING_MSC_PRODUCT, string_msc_product);
112 USB_MAKE_STRING_DESC(STRING_MSC_SERIAL, string_msc_serial);
113 
114 /* prototypes */
115 
116 static usb_temp_get_string_desc_t msc_get_string_desc;
117 
118 static const struct usb_temp_packet_size bulk_mps = {
119 	.mps[USB_SPEED_FULL] = 64,
120 	.mps[USB_SPEED_HIGH] = 512,
121 };
122 
123 static const struct usb_temp_endpoint_desc bulk_in_ep = {
124 	.pPacketSize = &bulk_mps,
125 #ifdef USB_HIP_IN_EP_0
126 	.bEndpointAddress = USB_HIP_IN_EP_0,
127 #else
128 	.bEndpointAddress = UE_DIR_IN,
129 #endif
130 	.bmAttributes = UE_BULK,
131 };
132 
133 static const struct usb_temp_endpoint_desc bulk_out_ep = {
134 	.pPacketSize = &bulk_mps,
135 #ifdef USB_HIP_OUT_EP_0
136 	.bEndpointAddress = USB_HIP_OUT_EP_0,
137 #else
138 	.bEndpointAddress = UE_DIR_OUT,
139 #endif
140 	.bmAttributes = UE_BULK,
141 };
142 
143 static const struct usb_temp_endpoint_desc *msc_data_endpoints[] = {
144 	&bulk_in_ep,
145 	&bulk_out_ep,
146 	NULL,
147 };
148 
149 static const struct usb_temp_interface_desc msc_data_interface = {
150 	.ppEndpoints = msc_data_endpoints,
151 	.bInterfaceClass = UICLASS_MASS,
152 	.bInterfaceSubClass = UISUBCLASS_SCSI,
153 	.bInterfaceProtocol = UIPROTO_MASS_BBB,
154 	.iInterface = STRING_MSC_DATA_INDEX,
155 };
156 
157 static const struct usb_temp_interface_desc *msc_interfaces[] = {
158 	&msc_data_interface,
159 	NULL,
160 };
161 
162 static const struct usb_temp_config_desc msc_config_desc = {
163 	.ppIfaceDesc = msc_interfaces,
164 	.bmAttributes = UC_BUS_POWERED,
165 	.bMaxPower = 25,		/* 50 mA */
166 	.iConfiguration = STRING_MSC_CONFIG_INDEX,
167 };
168 
169 static const struct usb_temp_config_desc *msc_configs[] = {
170 	&msc_config_desc,
171 	NULL,
172 };
173 
174 const struct usb_temp_device_desc usb_template_msc = {
175 	.getStringDesc = &msc_get_string_desc,
176 	.ppConfigDesc = msc_configs,
177 	.idVendor = 0x0001,
178 	.idProduct = 0x0001,
179 	.bcdDevice = 0x0100,
180 	.bDeviceClass = UDCLASS_COMM,
181 	.bDeviceSubClass = 0,
182 	.bDeviceProtocol = 0,
183 	.iManufacturer = STRING_MSC_VENDOR_INDEX,
184 	.iProduct = STRING_MSC_PRODUCT_INDEX,
185 	.iSerialNumber = STRING_MSC_SERIAL_INDEX,
186 };
187 
188 /*------------------------------------------------------------------------*
189  *	msc_get_string_desc
190  *
191  * Return values:
192  * NULL: Failure. No such string.
193  * Else: Success. Pointer to string descriptor is returned.
194  *------------------------------------------------------------------------*/
195 static const void *
196 msc_get_string_desc(uint16_t lang_id, uint8_t string_index)
197 {
198 	static const void *ptr[STRING_MSC_MAX] = {
199 		[STRING_LANG_INDEX] = &string_lang,
200 		[STRING_MSC_DATA_INDEX] = &string_msc_data,
201 		[STRING_MSC_CONFIG_INDEX] = &string_msc_config,
202 		[STRING_MSC_VENDOR_INDEX] = &string_msc_vendor,
203 		[STRING_MSC_PRODUCT_INDEX] = &string_msc_product,
204 		[STRING_MSC_SERIAL_INDEX] = &string_msc_serial,
205 	};
206 
207 	if (string_index == 0) {
208 		return (&string_lang);
209 	}
210 	if (lang_id != 0x0409) {
211 		return (NULL);
212 	}
213 	if (string_index < STRING_MSC_MAX) {
214 		return (ptr[string_index]);
215 	}
216 	return (NULL);
217 }
218