xref: /freebsd/sys/dev/usb/template/usb_template_msc.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 /*
29  * This file contains the USB templates for an USB Mass Storage Device.
30  */
31 
32 #ifdef USB_GLOBAL_INCLUDE_FILE
33 #include USB_GLOBAL_INCLUDE_FILE
34 #else
35 #include <sys/stdint.h>
36 #include <sys/stddef.h>
37 #include <sys/param.h>
38 #include <sys/queue.h>
39 #include <sys/types.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/bus.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 #include <dev/usb/usb_core.h>
57 
58 #include <dev/usb/template/usb_template.h>
59 #endif			/* USB_GLOBAL_INCLUDE_FILE */
60 
61 enum {
62 	STRING_LANG_INDEX,
63 	STRING_MSC_DATA_INDEX,
64 	STRING_MSC_CONFIG_INDEX,
65 	STRING_MSC_VENDOR_INDEX,
66 	STRING_MSC_PRODUCT_INDEX,
67 	STRING_MSC_SERIAL_INDEX,
68 	STRING_MSC_MAX,
69 };
70 
71 #define	STRING_MSC_DATA	\
72   "U\0S\0B\0 \0M\0a\0s\0s\0 \0S\0t\0o\0r\0a\0g\0e\0 " \
73   "\0I\0n\0t\0e\0r\0f\0a\0c\0e"
74 
75 #define	STRING_MSC_CONFIG \
76   "D\0e\0f\0a\0u\0l\0t\0 \0c\0o\0n\0f\0i\0g"
77 
78 #define	STRING_MSC_VENDOR \
79   "F\0r\0e\0e\0B\0S\0D\0 \0f\0o\0u\0n\0d\0a\0t\0i\0o\0n"
80 
81 #define	STRING_MSC_PRODUCT \
82   "U\0S\0B\0 \0M\0e\0m\0o\0r\0y\0 \0S\0t\0i\0c\0k"
83 
84 #define	STRING_MSC_SERIAL \
85   "M\0a\0r\0c\0h\0 \0002\0000\0000\08"
86 
87 /* make the real string descriptors */
88 
89 USB_MAKE_STRING_DESC(STRING_MSC_DATA, string_msc_data);
90 USB_MAKE_STRING_DESC(STRING_MSC_CONFIG, string_msc_config);
91 USB_MAKE_STRING_DESC(STRING_MSC_VENDOR, string_msc_vendor);
92 USB_MAKE_STRING_DESC(STRING_MSC_PRODUCT, string_msc_product);
93 USB_MAKE_STRING_DESC(STRING_MSC_SERIAL, string_msc_serial);
94 
95 /* prototypes */
96 
97 static usb_temp_get_string_desc_t msc_get_string_desc;
98 
99 static const struct usb_temp_packet_size bulk_mps = {
100 	.mps[USB_SPEED_FULL] = 64,
101 	.mps[USB_SPEED_HIGH] = 512,
102 };
103 
104 static const struct usb_temp_endpoint_desc bulk_in_ep = {
105 	.pPacketSize = &bulk_mps,
106 #ifdef USB_HIP_IN_EP_0
107 	.bEndpointAddress = USB_HIP_IN_EP_0,
108 #else
109 	.bEndpointAddress = UE_DIR_IN,
110 #endif
111 	.bmAttributes = UE_BULK,
112 };
113 
114 static const struct usb_temp_endpoint_desc bulk_out_ep = {
115 	.pPacketSize = &bulk_mps,
116 #ifdef USB_HIP_OUT_EP_0
117 	.bEndpointAddress = USB_HIP_OUT_EP_0,
118 #else
119 	.bEndpointAddress = UE_DIR_OUT,
120 #endif
121 	.bmAttributes = UE_BULK,
122 };
123 
124 static const struct usb_temp_endpoint_desc *msc_data_endpoints[] = {
125 	&bulk_in_ep,
126 	&bulk_out_ep,
127 	NULL,
128 };
129 
130 static const struct usb_temp_interface_desc msc_data_interface = {
131 	.ppEndpoints = msc_data_endpoints,
132 	.bInterfaceClass = UICLASS_MASS,
133 	.bInterfaceSubClass = UISUBCLASS_SCSI,
134 	.bInterfaceProtocol = UIPROTO_MASS_BBB,
135 	.iInterface = STRING_MSC_DATA_INDEX,
136 };
137 
138 static const struct usb_temp_interface_desc *msc_interfaces[] = {
139 	&msc_data_interface,
140 	NULL,
141 };
142 
143 static const struct usb_temp_config_desc msc_config_desc = {
144 	.ppIfaceDesc = msc_interfaces,
145 	.bmAttributes = UC_BUS_POWERED,
146 	.bMaxPower = 25,		/* 50 mA */
147 	.iConfiguration = STRING_MSC_CONFIG_INDEX,
148 };
149 
150 static const struct usb_temp_config_desc *msc_configs[] = {
151 	&msc_config_desc,
152 	NULL,
153 };
154 
155 const struct usb_temp_device_desc usb_template_msc = {
156 	.getStringDesc = &msc_get_string_desc,
157 	.ppConfigDesc = msc_configs,
158 	.idVendor = USB_TEMPLATE_VENDOR,
159 	.idProduct = 0x0012,
160 	.bcdDevice = 0x0100,
161 	.bDeviceClass = UDCLASS_COMM,
162 	.bDeviceSubClass = 0,
163 	.bDeviceProtocol = 0,
164 	.iManufacturer = STRING_MSC_VENDOR_INDEX,
165 	.iProduct = STRING_MSC_PRODUCT_INDEX,
166 	.iSerialNumber = STRING_MSC_SERIAL_INDEX,
167 };
168 
169 /*------------------------------------------------------------------------*
170  *	msc_get_string_desc
171  *
172  * Return values:
173  * NULL: Failure. No such string.
174  * Else: Success. Pointer to string descriptor is returned.
175  *------------------------------------------------------------------------*/
176 static const void *
177 msc_get_string_desc(uint16_t lang_id, uint8_t string_index)
178 {
179 	static const void *ptr[STRING_MSC_MAX] = {
180 		[STRING_LANG_INDEX] = &usb_string_lang_en,
181 		[STRING_MSC_DATA_INDEX] = &string_msc_data,
182 		[STRING_MSC_CONFIG_INDEX] = &string_msc_config,
183 		[STRING_MSC_VENDOR_INDEX] = &string_msc_vendor,
184 		[STRING_MSC_PRODUCT_INDEX] = &string_msc_product,
185 		[STRING_MSC_SERIAL_INDEX] = &string_msc_serial,
186 	};
187 
188 	if (string_index == 0) {
189 		return (&usb_string_lang_en);
190 	}
191 	if (lang_id != 0x0409) {
192 		return (NULL);
193 	}
194 	if (string_index < STRING_MSC_MAX) {
195 		return (ptr[string_index]);
196 	}
197 	return (NULL);
198 }
199