xref: /freebsd/sys/dev/usb/template/usb_template_mouse.c (revision 60fde7ce5d7bf5d94290720ea53db5701ab406a8)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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_INTERFACE		"Mouse interface"
80 #define	MOUSE_DEFAULT_MANUFACTURER	"FreeBSD foundation"
81 #define	MOUSE_DEFAULT_PRODUCT		"Mouse Test Interface"
82 #define	MOUSE_DEFAULT_SERIAL_NUMBER	"March 2008"
83 
84 static struct usb_string_descriptor	mouse_interface;
85 static struct usb_string_descriptor	mouse_manufacturer;
86 static struct usb_string_descriptor	mouse_product;
87 static struct usb_string_descriptor	mouse_serial_number;
88 
89 static struct sysctl_ctx_list		mouse_ctx_list;
90 
91 /* prototypes */
92 
93 /* The following HID descriptor was dumped from a HP mouse. */
94 
95 static uint8_t mouse_hid_descriptor[] = {
96 	0x05, 0x01, 0x09, 0x02, 0xa1, 0x01, 0x09, 0x01,
97 	0xa1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
98 	0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
99 	0x81, 0x02, 0x95, 0x05, 0x81, 0x03, 0x05, 0x01,
100 	0x09, 0x30, 0x09, 0x31, 0x09, 0x38, 0x15, 0x81,
101 	0x25, 0x7f, 0x75, 0x08, 0x95, 0x03, 0x81, 0x06,
102 	0xc0, 0xc0
103 };
104 
105 static const struct usb_temp_packet_size mouse_intr_mps = {
106 	.mps[USB_SPEED_LOW] = 8,
107 	.mps[USB_SPEED_FULL] = 8,
108 	.mps[USB_SPEED_HIGH] = 8,
109 };
110 
111 static const struct usb_temp_interval mouse_intr_interval = {
112 	.bInterval[USB_SPEED_LOW] = 2,		/* 2ms */
113 	.bInterval[USB_SPEED_FULL] = 2,		/* 2ms */
114 	.bInterval[USB_SPEED_HIGH] = 5,		/* 2ms */
115 };
116 
117 static const struct usb_temp_endpoint_desc mouse_ep_0 = {
118 	.ppRawDesc = NULL,		/* no raw descriptors */
119 	.pPacketSize = &mouse_intr_mps,
120 	.pIntervals = &mouse_intr_interval,
121 	.bEndpointAddress = UE_DIR_IN,
122 	.bmAttributes = UE_INTERRUPT,
123 };
124 
125 static const struct usb_temp_endpoint_desc *mouse_endpoints[] = {
126 	&mouse_ep_0,
127 	NULL,
128 };
129 
130 static const uint8_t mouse_raw_desc[] = {
131 	0x09, 0x21, 0x10, 0x01, 0x00, 0x01, 0x22, sizeof(mouse_hid_descriptor),
132 	0x00
133 };
134 
135 static const void *mouse_iface_0_desc[] = {
136 	mouse_raw_desc,
137 	NULL,
138 };
139 
140 static const struct usb_temp_interface_desc mouse_iface_0 = {
141 	.ppRawDesc = mouse_iface_0_desc,
142 	.ppEndpoints = mouse_endpoints,
143 	.bInterfaceClass = UICLASS_HID,
144 	.bInterfaceSubClass = UISUBCLASS_BOOT,
145 	.bInterfaceProtocol = UIPROTO_MOUSE,
146 	.iInterface = MOUSE_INTERFACE_INDEX,
147 };
148 
149 static const struct usb_temp_interface_desc *mouse_interfaces[] = {
150 	&mouse_iface_0,
151 	NULL,
152 };
153 
154 static const struct usb_temp_config_desc mouse_config_desc = {
155 	.ppIfaceDesc = mouse_interfaces,
156 	.bmAttributes = UC_BUS_POWERED,
157 	.bMaxPower = 25,		/* 50 mA */
158 	.iConfiguration = MOUSE_INTERFACE_INDEX,
159 };
160 
161 static const struct usb_temp_config_desc *mouse_configs[] = {
162 	&mouse_config_desc,
163 	NULL,
164 };
165 
166 static usb_temp_get_string_desc_t mouse_get_string_desc;
167 static usb_temp_get_vendor_desc_t mouse_get_vendor_desc;
168 
169 struct usb_temp_device_desc usb_template_mouse = {
170 	.getStringDesc = &mouse_get_string_desc,
171 	.getVendorDesc = &mouse_get_vendor_desc,
172 	.ppConfigDesc = mouse_configs,
173 	.idVendor = USB_TEMPLATE_VENDOR,
174 	.idProduct = 0x00AE,
175 	.bcdDevice = 0x0100,
176 	.bDeviceClass = UDCLASS_COMM,
177 	.bDeviceSubClass = 0,
178 	.bDeviceProtocol = 0,
179 	.iManufacturer = MOUSE_MANUFACTURER_INDEX,
180 	.iProduct = MOUSE_PRODUCT_INDEX,
181 	.iSerialNumber = MOUSE_SERIAL_NUMBER_INDEX,
182 };
183 
184 /*------------------------------------------------------------------------*
185  *      mouse_get_vendor_desc
186  *
187  * Return values:
188  * NULL: Failure. No such vendor descriptor.
189  * Else: Success. Pointer to vendor descriptor is returned.
190  *------------------------------------------------------------------------*/
191 static const void *
192 mouse_get_vendor_desc(const struct usb_device_request *req, uint16_t *plen)
193 {
194 	if ((req->bmRequestType == 0x81) && (req->bRequest == 0x06) &&
195 	    (req->wValue[0] == 0x00) && (req->wValue[1] == 0x22) &&
196 	    (req->wIndex[1] == 0) && (req->wIndex[0] == 0)) {
197 
198 		*plen = sizeof(mouse_hid_descriptor);
199 		return (mouse_hid_descriptor);
200 	}
201 	return (NULL);
202 }
203 
204 /*------------------------------------------------------------------------*
205  *	mouse_get_string_desc
206  *
207  * Return values:
208  * NULL: Failure. No such string.
209  * Else: Success. Pointer to string descriptor is returned.
210  *------------------------------------------------------------------------*/
211 static const void *
212 mouse_get_string_desc(uint16_t lang_id, uint8_t string_index)
213 {
214 	static const void *ptr[MOUSE_MAX_INDEX] = {
215 		[MOUSE_LANG_INDEX] = &usb_string_lang_en,
216 		[MOUSE_INTERFACE_INDEX] = &mouse_interface,
217 		[MOUSE_MANUFACTURER_INDEX] = &mouse_manufacturer,
218 		[MOUSE_PRODUCT_INDEX] = &mouse_product,
219 		[MOUSE_SERIAL_NUMBER_INDEX] = &mouse_serial_number,
220 	};
221 
222 	if (string_index == 0) {
223 		return (&usb_string_lang_en);
224 	}
225 	if (lang_id != 0x0409) {
226 		return (NULL);
227 	}
228 	if (string_index < MOUSE_MAX_INDEX) {
229 		return (ptr[string_index]);
230 	}
231 	return (NULL);
232 }
233 
234 static void
235 mouse_init(void *arg __unused)
236 {
237 	struct sysctl_oid *parent;
238 	char parent_name[3];
239 
240 	usb_make_str_desc(&mouse_interface, sizeof(mouse_interface),
241 	    MOUSE_DEFAULT_INTERFACE);
242 	usb_make_str_desc(&mouse_manufacturer, sizeof(mouse_manufacturer),
243 	    MOUSE_DEFAULT_MANUFACTURER);
244 	usb_make_str_desc(&mouse_product, sizeof(mouse_product),
245 	    MOUSE_DEFAULT_PRODUCT);
246 	usb_make_str_desc(&mouse_serial_number, sizeof(mouse_serial_number),
247 	    MOUSE_DEFAULT_SERIAL_NUMBER);
248 
249 	snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_MOUSE);
250 	sysctl_ctx_init(&mouse_ctx_list);
251 
252 	parent = SYSCTL_ADD_NODE(&mouse_ctx_list,
253 	    SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
254 	    parent_name, CTLFLAG_RW,
255 	    0, "USB Mouse device side template");
256 	SYSCTL_ADD_U16(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
257 	    "vendor_id", CTLFLAG_RWTUN,
258 	    &usb_template_mouse.idVendor, 1, "Vendor identifier");
259 	SYSCTL_ADD_U16(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
260 	    "product_id", CTLFLAG_RWTUN,
261 	    &usb_template_mouse.idProduct, 1, "Product identifier");
262 #if 0
263 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
264 	    "interface", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
265 	    &mouse_interface, sizeof(mouse_interface), usb_temp_sysctl,
266 	    "A", "Interface string");
267 #endif
268 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
269 	    "manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
270 	    &mouse_manufacturer, sizeof(mouse_manufacturer), usb_temp_sysctl,
271 	    "A", "Manufacturer string");
272 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
273 	    "product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
274 	    &mouse_product, sizeof(mouse_product), usb_temp_sysctl,
275 	    "A", "Product string");
276 	SYSCTL_ADD_PROC(&mouse_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
277 	    "serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
278 	    &mouse_serial_number, sizeof(mouse_serial_number), usb_temp_sysctl,
279 	    "A", "Serial number string");
280 }
281 
282 static void
283 mouse_uninit(void *arg __unused)
284 {
285 
286 	sysctl_ctx_free(&mouse_ctx_list);
287 }
288 
289 SYSINIT(mouse_init, SI_SUB_LOCK, SI_ORDER_FIRST, mouse_init, NULL);
290 SYSUNINIT(mouse_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, mouse_uninit, NULL);
291