xref: /freebsd/sys/dev/usb/template/usb_template_mouse.c (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause
4  *
5  * Copyright (c) 2010 Hans Petter Selasky
6  * Copyright (c) 2018 The FreeBSD Foundation
7  * All rights reserved.
8  *
9  * Portions of this software were developed by Edward Tomasz Napierala
10  * under sponsorship from the FreeBSD Foundation.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 /*
35  * This file contains the USB template for an USB Mouse Device.
36  */
37 
38 #ifdef USB_GLOBAL_INCLUDE_FILE
39 #include USB_GLOBAL_INCLUDE_FILE
40 #else
41 #include <sys/stdint.h>
42 #include <sys/stddef.h>
43 #include <sys/param.h>
44 #include <sys/queue.h>
45 #include <sys/types.h>
46 #include <sys/systm.h>
47 #include <sys/kernel.h>
48 #include <sys/bus.h>
49 #include <sys/module.h>
50 #include <sys/lock.h>
51 #include <sys/mutex.h>
52 #include <sys/condvar.h>
53 #include <sys/sysctl.h>
54 #include <sys/sx.h>
55 #include <sys/unistd.h>
56 #include <sys/callout.h>
57 #include <sys/malloc.h>
58 #include <sys/priv.h>
59 
60 #include <dev/usb/usb.h>
61 #include <dev/usb/usbdi.h>
62 #include <dev/usb/usb_core.h>
63 #include <dev/usb/usb_cdc.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 	MOUSE_LANG_INDEX,
72 	MOUSE_INTERFACE_INDEX,
73 	MOUSE_MANUFACTURER_INDEX,
74 	MOUSE_PRODUCT_INDEX,
75 	MOUSE_SERIAL_NUMBER_INDEX,
76 	MOUSE_MAX_INDEX,
77 };
78 
79 #define	MOUSE_DEFAULT_VENDOR_ID		USB_TEMPLATE_VENDOR
80 #define	MOUSE_DEFAULT_PRODUCT_ID	0x27da
81 #define	MOUSE_DEFAULT_INTERFACE		"Mouse interface"
82 #define	MOUSE_DEFAULT_MANUFACTURER	USB_TEMPLATE_MANUFACTURER
83 #define	MOUSE_DEFAULT_PRODUCT		"Mouse Test Interface"
84 #define	MOUSE_DEFAULT_SERIAL_NUMBER	"March 2008"
85 
86 static struct usb_string_descriptor	mouse_interface;
87 static struct usb_string_descriptor	mouse_manufacturer;
88 static struct usb_string_descriptor	mouse_product;
89 static struct usb_string_descriptor	mouse_serial_number;
90 
91 static struct sysctl_ctx_list		mouse_ctx_list;
92 
93 /* prototypes */
94 
95 /* The following HID descriptor was dumped from a HP mouse. */
96 
97 static uint8_t mouse_hid_descriptor[] = {
98 	0x05, 0x01, 0x09, 0x02, 0xa1, 0x01, 0x09, 0x01,
99 	0xa1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
100 	0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
101 	0x81, 0x02, 0x95, 0x05, 0x81, 0x03, 0x05, 0x01,
102 	0x09, 0x30, 0x09, 0x31, 0x09, 0x38, 0x15, 0x81,
103 	0x25, 0x7f, 0x75, 0x08, 0x95, 0x03, 0x81, 0x06,
104 	0xc0, 0xc0
105 };
106 
107 static const struct usb_temp_packet_size mouse_intr_mps = {
108 	.mps[USB_SPEED_LOW] = 8,
109 	.mps[USB_SPEED_FULL] = 8,
110 	.mps[USB_SPEED_HIGH] = 8,
111 };
112 
113 static const struct usb_temp_interval mouse_intr_interval = {
114 	.bInterval[USB_SPEED_LOW] = 2,		/* 2ms */
115 	.bInterval[USB_SPEED_FULL] = 2,		/* 2ms */
116 	.bInterval[USB_SPEED_HIGH] = 5,		/* 2ms */
117 };
118 
119 static const struct usb_temp_endpoint_desc mouse_ep_0 = {
120 	.ppRawDesc = NULL,		/* no raw descriptors */
121 	.pPacketSize = &mouse_intr_mps,
122 	.pIntervals = &mouse_intr_interval,
123 	.bEndpointAddress = UE_DIR_IN,
124 	.bmAttributes = UE_INTERRUPT,
125 };
126 
127 static const struct usb_temp_endpoint_desc *mouse_endpoints[] = {
128 	&mouse_ep_0,
129 	NULL,
130 };
131 
132 static const uint8_t mouse_raw_desc[] = {
133 	0x09, 0x21, 0x10, 0x01, 0x00, 0x01, 0x22, sizeof(mouse_hid_descriptor),
134 	0x00
135 };
136 
137 static const void *mouse_iface_0_desc[] = {
138 	mouse_raw_desc,
139 	NULL,
140 };
141 
142 static const struct usb_temp_interface_desc mouse_iface_0 = {
143 	.ppRawDesc = mouse_iface_0_desc,
144 	.ppEndpoints = mouse_endpoints,
145 	.bInterfaceClass = UICLASS_HID,
146 	.bInterfaceSubClass = UISUBCLASS_BOOT,
147 	.bInterfaceProtocol = UIPROTO_MOUSE,
148 	.iInterface = MOUSE_INTERFACE_INDEX,
149 };
150 
151 static const struct usb_temp_interface_desc *mouse_interfaces[] = {
152 	&mouse_iface_0,
153 	NULL,
154 };
155 
156 static const struct usb_temp_config_desc mouse_config_desc = {
157 	.ppIfaceDesc = mouse_interfaces,
158 	.bmAttributes = 0,
159 	.bMaxPower = 0,
160 	.iConfiguration = MOUSE_INTERFACE_INDEX,
161 };
162 
163 static const struct usb_temp_config_desc *mouse_configs[] = {
164 	&mouse_config_desc,
165 	NULL,
166 };
167 
168 static usb_temp_get_string_desc_t mouse_get_string_desc;
169 static usb_temp_get_vendor_desc_t mouse_get_vendor_desc;
170 
171 struct usb_temp_device_desc usb_template_mouse = {
172 	.getStringDesc = &mouse_get_string_desc,
173 	.getVendorDesc = &mouse_get_vendor_desc,
174 	.ppConfigDesc = mouse_configs,
175 	.idVendor = MOUSE_DEFAULT_VENDOR_ID,
176 	.idProduct = MOUSE_DEFAULT_PRODUCT_ID,
177 	.bcdDevice = 0x0100,
178 	.bDeviceClass = UDCLASS_COMM,
179 	.bDeviceSubClass = 0,
180 	.bDeviceProtocol = 0,
181 	.iManufacturer = MOUSE_MANUFACTURER_INDEX,
182 	.iProduct = MOUSE_PRODUCT_INDEX,
183 	.iSerialNumber = MOUSE_SERIAL_NUMBER_INDEX,
184 };
185 
186 /*------------------------------------------------------------------------*
187  *      mouse_get_vendor_desc
188  *
189  * Return values:
190  * NULL: Failure. No such vendor descriptor.
191  * Else: Success. Pointer to vendor descriptor is returned.
192  *------------------------------------------------------------------------*/
193 static const void *
194 mouse_get_vendor_desc(const struct usb_device_request *req, uint16_t *plen)
195 {
196 	if ((req->bmRequestType == 0x81) && (req->bRequest == 0x06) &&
197 	    (req->wValue[0] == 0x00) && (req->wValue[1] == 0x22) &&
198 	    (req->wIndex[1] == 0) && (req->wIndex[0] == 0)) {
199 		*plen = sizeof(mouse_hid_descriptor);
200 		return (mouse_hid_descriptor);
201 	}
202 	return (NULL);
203 }
204 
205 /*------------------------------------------------------------------------*
206  *	mouse_get_string_desc
207  *
208  * Return values:
209  * NULL: Failure. No such string.
210  * Else: Success. Pointer to string descriptor is returned.
211  *------------------------------------------------------------------------*/
212 static const void *
213 mouse_get_string_desc(uint16_t lang_id, uint8_t string_index)
214 {
215 	static const void *ptr[MOUSE_MAX_INDEX] = {
216 		[MOUSE_LANG_INDEX] = &usb_string_lang_en,
217 		[MOUSE_INTERFACE_INDEX] = &mouse_interface,
218 		[MOUSE_MANUFACTURER_INDEX] = &mouse_manufacturer,
219 		[MOUSE_PRODUCT_INDEX] = &mouse_product,
220 		[MOUSE_SERIAL_NUMBER_INDEX] = &mouse_serial_number,
221 	};
222 
223 	if (string_index == 0) {
224 		return (&usb_string_lang_en);
225 	}
226 	if (lang_id != 0x0409) {
227 		return (NULL);
228 	}
229 	if (string_index < MOUSE_MAX_INDEX) {
230 		return (ptr[string_index]);
231 	}
232 	return (NULL);
233 }
234 
235 static void
236 mouse_init(void *arg __unused)
237 {
238 	struct sysctl_oid *parent;
239 	char parent_name[3];
240 
241 	usb_make_str_desc(&mouse_interface, sizeof(mouse_interface),
242 	    MOUSE_DEFAULT_INTERFACE);
243 	usb_make_str_desc(&mouse_manufacturer, sizeof(mouse_manufacturer),
244 	    MOUSE_DEFAULT_MANUFACTURER);
245 	usb_make_str_desc(&mouse_product, sizeof(mouse_product),
246 	    MOUSE_DEFAULT_PRODUCT);
247 	usb_make_str_desc(&mouse_serial_number, sizeof(mouse_serial_number),
248 	    MOUSE_DEFAULT_SERIAL_NUMBER);
249 
250 	snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_MOUSE);
251 	sysctl_ctx_init(&mouse_ctx_list);
252 
253 	parent = SYSCTL_ADD_NODE(&mouse_ctx_list,
254 	    SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
255 	    parent_name, CTLFLAG_RW | CTLFLAG_MPSAFE,
256 	    0, "USB Mouse device side template");
257 	SYSCTL_ADD_U16(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
258 	    "vendor_id", CTLFLAG_RWTUN,
259 	    &usb_template_mouse.idVendor, 1, "Vendor identifier");
260 	SYSCTL_ADD_U16(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
261 	    "product_id", CTLFLAG_RWTUN,
262 	    &usb_template_mouse.idProduct, 1, "Product identifier");
263 #if 0
264 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
265 	    "interface", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
266 	    &mouse_interface, sizeof(mouse_interface), usb_temp_sysctl,
267 	    "A", "Interface string");
268 #endif
269 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
270 	    "manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
271 	    &mouse_manufacturer, sizeof(mouse_manufacturer), usb_temp_sysctl,
272 	    "A", "Manufacturer string");
273 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
274 	    "product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
275 	    &mouse_product, sizeof(mouse_product), usb_temp_sysctl,
276 	    "A", "Product string");
277 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
278 	    "serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
279 	    &mouse_serial_number, sizeof(mouse_serial_number), usb_temp_sysctl,
280 	    "A", "Serial number string");
281 }
282 
283 static void
284 mouse_uninit(void *arg __unused)
285 {
286 
287 	sysctl_ctx_free(&mouse_ctx_list);
288 }
289 
290 SYSINIT(mouse_init, SI_SUB_LOCK, SI_ORDER_FIRST, mouse_init, NULL);
291 SYSUNINIT(mouse_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, mouse_uninit, NULL);
292