xref: /freebsd/sys/dev/usb/template/usb_template_cdceem.c (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4  *
5  * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
6  * Copyright (c) 2018 The FreeBSD Foundation
7  * Copyright (c) 2019 Edward Tomasz Napierala <trasz@FreeBSD.org>
8  * All rights reserved.
9  *
10  * Portions of this software were developed by Edward Tomasz Napierala
11  * under sponsorship from the FreeBSD Foundation.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 /*
36  * This file contains the USB templates for an USB Mass Storage Device.
37  */
38 
39 #ifdef USB_GLOBAL_INCLUDE_FILE
40 #include USB_GLOBAL_INCLUDE_FILE
41 #else
42 #include <sys/stdint.h>
43 #include <sys/stddef.h>
44 #include <sys/param.h>
45 #include <sys/queue.h>
46 #include <sys/types.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/bus.h>
50 #include <sys/module.h>
51 #include <sys/lock.h>
52 #include <sys/mutex.h>
53 #include <sys/condvar.h>
54 #include <sys/sysctl.h>
55 #include <sys/sx.h>
56 #include <sys/unistd.h>
57 #include <sys/callout.h>
58 #include <sys/malloc.h>
59 #include <sys/priv.h>
60 
61 #include <dev/usb/usb.h>
62 #include <dev/usb/usbdi.h>
63 #include <dev/usb/usb_core.h>
64 #include <dev/usb/usb_ioctl.h>
65 #include <dev/usb/usb_util.h>
66 
67 #include <dev/usb/template/usb_template.h>
68 #endif			/* USB_GLOBAL_INCLUDE_FILE */
69 
70 enum {
71 	CDCEEM_LANG_INDEX,
72 	CDCEEM_INTERFACE_INDEX,
73 	CDCEEM_CONFIGURATION_INDEX,
74 	CDCEEM_MANUFACTURER_INDEX,
75 	CDCEEM_PRODUCT_INDEX,
76 	CDCEEM_SERIAL_NUMBER_INDEX,
77 	CDCEEM_MAX_INDEX,
78 };
79 
80 #define	CDCEEM_DEFAULT_VENDOR_ID	USB_TEMPLATE_VENDOR
81 #define	CDCEEM_DEFAULT_PRODUCT_ID	0x27df
82 #define	CDCEEM_DEFAULT_INTERFACE	"USB CDC EEM Interface"
83 #define	CDCEEM_DEFAULT_CONFIGURATION	"Default Config"
84 #define	CDCEEM_DEFAULT_MANUFACTURER	USB_TEMPLATE_MANUFACTURER
85 #define	CDCEEM_DEFAULT_PRODUCT		"CDC EEM"
86 #define	CDCEEM_DEFAULT_SERIAL_NUMBER	"March 2008"
87 
88 static struct usb_string_descriptor	cdceem_interface;
89 static struct usb_string_descriptor	cdceem_configuration;
90 static struct usb_string_descriptor	cdceem_manufacturer;
91 static struct usb_string_descriptor	cdceem_product;
92 static struct usb_string_descriptor	cdceem_serial_number;
93 
94 static struct sysctl_ctx_list		cdceem_ctx_list;
95 
96 /* prototypes */
97 
98 static usb_temp_get_string_desc_t cdceem_get_string_desc;
99 
100 static const struct usb_temp_packet_size bulk_mps = {
101 	.mps[USB_SPEED_FULL] = 64,
102 	.mps[USB_SPEED_HIGH] = 512,
103 };
104 
105 static const struct usb_temp_endpoint_desc bulk_in_ep = {
106 	.pPacketSize = &bulk_mps,
107 #ifdef USB_HIP_IN_EP_0
108 	.bEndpointAddress = USB_HIP_IN_EP_0,
109 #else
110 	.bEndpointAddress = UE_DIR_IN,
111 #endif
112 	.bmAttributes = UE_BULK,
113 };
114 
115 static const struct usb_temp_endpoint_desc bulk_out_ep = {
116 	.pPacketSize = &bulk_mps,
117 #ifdef USB_HIP_OUT_EP_0
118 	.bEndpointAddress = USB_HIP_OUT_EP_0,
119 #else
120 	.bEndpointAddress = UE_DIR_OUT,
121 #endif
122 	.bmAttributes = UE_BULK,
123 };
124 
125 static const struct usb_temp_endpoint_desc *cdceem_data_endpoints[] = {
126 	&bulk_in_ep,
127 	&bulk_out_ep,
128 	NULL,
129 };
130 
131 static const struct usb_temp_interface_desc cdceem_data_interface = {
132 	.ppEndpoints = cdceem_data_endpoints,
133 	.bInterfaceClass = UICLASS_CDC,
134 	.bInterfaceSubClass = UISUBCLASS_ETHERNET_EMULATION_MODEL,
135 	.bInterfaceProtocol = UIPROTO_CDC_EEM,
136 	.iInterface = CDCEEM_INTERFACE_INDEX,
137 };
138 
139 static const struct usb_temp_interface_desc *cdceem_interfaces[] = {
140 	&cdceem_data_interface,
141 	NULL,
142 };
143 
144 static const struct usb_temp_config_desc cdceem_config_desc = {
145 	.ppIfaceDesc = cdceem_interfaces,
146 	.bmAttributes = 0,
147 	.bMaxPower = 0,
148 	.iConfiguration = CDCEEM_CONFIGURATION_INDEX,
149 };
150 
151 static const struct usb_temp_config_desc *cdceem_configs[] = {
152 	&cdceem_config_desc,
153 	NULL,
154 };
155 
156 struct usb_temp_device_desc usb_template_cdceem = {
157 	.getStringDesc = &cdceem_get_string_desc,
158 	.ppConfigDesc = cdceem_configs,
159 	.idVendor = CDCEEM_DEFAULT_VENDOR_ID,
160 	.idProduct = CDCEEM_DEFAULT_PRODUCT_ID,
161 	.bcdDevice = 0x0100,
162 	.bDeviceClass = UDCLASS_COMM,
163 	.bDeviceSubClass = 0,
164 	.bDeviceProtocol = 0,
165 	.iManufacturer = CDCEEM_MANUFACTURER_INDEX,
166 	.iProduct = CDCEEM_PRODUCT_INDEX,
167 	.iSerialNumber = CDCEEM_SERIAL_NUMBER_INDEX,
168 };
169 
170 /*------------------------------------------------------------------------*
171  *	cdceem_get_string_desc
172  *
173  * Return values:
174  * NULL: Failure. No such string.
175  * Else: Success. Pointer to string descriptor is returned.
176  *------------------------------------------------------------------------*/
177 static const void *
178 cdceem_get_string_desc(uint16_t lang_id, uint8_t string_index)
179 {
180 	static const void *ptr[CDCEEM_MAX_INDEX] = {
181 		[CDCEEM_LANG_INDEX] = &usb_string_lang_en,
182 		[CDCEEM_INTERFACE_INDEX] = &cdceem_interface,
183 		[CDCEEM_CONFIGURATION_INDEX] = &cdceem_configuration,
184 		[CDCEEM_MANUFACTURER_INDEX] = &cdceem_manufacturer,
185 		[CDCEEM_PRODUCT_INDEX] = &cdceem_product,
186 		[CDCEEM_SERIAL_NUMBER_INDEX] = &cdceem_serial_number,
187 	};
188 
189 	if (string_index == 0) {
190 		return (&usb_string_lang_en);
191 	}
192 	if (lang_id != 0x0409) {
193 		return (NULL);
194 	}
195 	if (string_index < CDCEEM_MAX_INDEX) {
196 		return (ptr[string_index]);
197 	}
198 	return (NULL);
199 }
200 
201 static void
202 cdceem_init(void *arg __unused)
203 {
204 	struct sysctl_oid *parent;
205 	char parent_name[3];
206 
207 	usb_make_str_desc(&cdceem_interface, sizeof(cdceem_interface),
208 	    CDCEEM_DEFAULT_INTERFACE);
209 	usb_make_str_desc(&cdceem_configuration, sizeof(cdceem_configuration),
210 	    CDCEEM_DEFAULT_CONFIGURATION);
211 	usb_make_str_desc(&cdceem_manufacturer, sizeof(cdceem_manufacturer),
212 	    CDCEEM_DEFAULT_MANUFACTURER);
213 	usb_make_str_desc(&cdceem_product, sizeof(cdceem_product),
214 	    CDCEEM_DEFAULT_PRODUCT);
215 	usb_make_str_desc(&cdceem_serial_number, sizeof(cdceem_serial_number),
216 	    CDCEEM_DEFAULT_SERIAL_NUMBER);
217 
218 	snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_CDCEEM);
219 	sysctl_ctx_init(&cdceem_ctx_list);
220 
221 	parent = SYSCTL_ADD_NODE(&cdceem_ctx_list,
222 	    SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
223 	    parent_name, CTLFLAG_RW | CTLFLAG_MPSAFE,
224 	    0, "USB CDC EEM device side template");
225 	SYSCTL_ADD_U16(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
226 	    "vendor_id", CTLFLAG_RWTUN,
227 	    &usb_template_cdceem.idVendor, 1, "Vendor identifier");
228 	SYSCTL_ADD_U16(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
229 	    "product_id", CTLFLAG_RWTUN,
230 	    &usb_template_cdceem.idProduct, 1, "Product identifier");
231 #if 0
232 	SYSCTL_ADD_PROC(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
233 	    "interface", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
234 	    &cdceem_interface, sizeof(cdceem_interface), usb_temp_sysctl,
235 	    "A", "Interface string");
236 	SYSCTL_ADD_PROC(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
237 	    "configuration", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
238 	    &cdceem_configuration, sizeof(cdceem_configuration), usb_temp_sysctl,
239 	    "A", "Configuration string");
240 #endif
241 	SYSCTL_ADD_PROC(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
242 	    "manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
243 	    &cdceem_manufacturer, sizeof(cdceem_manufacturer), usb_temp_sysctl,
244 	    "A", "Manufacturer string");
245 	SYSCTL_ADD_PROC(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
246 	    "product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
247 	    &cdceem_product, sizeof(cdceem_product), usb_temp_sysctl,
248 	    "A", "Product string");
249 	SYSCTL_ADD_PROC(&cdceem_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
250 	    "serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
251 	    &cdceem_serial_number, sizeof(cdceem_serial_number), usb_temp_sysctl,
252 	    "A", "Serial number string");
253 }
254 
255 static void
256 cdceem_uninit(void *arg __unused)
257 {
258 
259 	sysctl_ctx_free(&cdceem_ctx_list);
260 }
261 
262 SYSINIT(cdceem_init, SI_SUB_LOCK, SI_ORDER_FIRST, cdceem_init, NULL);
263 SYSUNINIT(cdceem_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, cdceem_uninit, NULL);
264