xref: /freebsd/sys/dev/usb/template/usb_template_mouse.c (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 /*
28  * This file contains the USB template for an USB Mouse Device.
29  */
30 
31 #ifdef USB_GLOBAL_INCLUDE_FILE
32 #include USB_GLOBAL_INCLUDE_FILE
33 #else
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/module.h>
43 #include <sys/lock.h>
44 #include <sys/mutex.h>
45 #include <sys/condvar.h>
46 #include <sys/sysctl.h>
47 #include <sys/sx.h>
48 #include <sys/unistd.h>
49 #include <sys/callout.h>
50 #include <sys/malloc.h>
51 #include <sys/priv.h>
52 
53 #include <dev/usb/usb.h>
54 #include <dev/usb/usbdi.h>
55 #include <dev/usb/usb_core.h>
56 #include <dev/usb/usb_cdc.h>
57 
58 #include <dev/usb/template/usb_template.h>
59 #endif			/* USB_GLOBAL_INCLUDE_FILE */
60 
61 enum {
62 	INDEX_LANG,
63 	INDEX_MOUSE,
64 	INDEX_PRODUCT,
65 	INDEX_MAX,
66 };
67 
68 #define	STRING_PRODUCT \
69   "M\0o\0u\0s\0e\0 \0T\0e\0s\0t\0 \0D\0e\0v\0i\0c\0e"
70 
71 #define	STRING_MOUSE \
72   "M\0o\0u\0s\0e\0 \0i\0n\0t\0e\0r\0f\0a\0c\0e"
73 
74 /* make the real string descriptors */
75 
76 USB_MAKE_STRING_DESC(STRING_MOUSE, string_mouse);
77 USB_MAKE_STRING_DESC(STRING_PRODUCT, string_product);
78 
79 /* prototypes */
80 
81 /* The following HID descriptor was dumped from a HP mouse. */
82 
83 static uint8_t mouse_hid_descriptor[] = {
84 	0x05, 0x01, 0x09, 0x02, 0xa1, 0x01, 0x09, 0x01,
85 	0xa1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
86 	0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
87 	0x81, 0x02, 0x95, 0x05, 0x81, 0x03, 0x05, 0x01,
88 	0x09, 0x30, 0x09, 0x31, 0x09, 0x38, 0x15, 0x81,
89 	0x25, 0x7f, 0x75, 0x08, 0x95, 0x03, 0x81, 0x06,
90 	0xc0, 0xc0
91 };
92 
93 static const struct usb_temp_packet_size mouse_intr_mps = {
94 	.mps[USB_SPEED_LOW] = 8,
95 	.mps[USB_SPEED_FULL] = 8,
96 	.mps[USB_SPEED_HIGH] = 8,
97 };
98 
99 static const struct usb_temp_interval mouse_intr_interval = {
100 	.bInterval[USB_SPEED_LOW] = 2,		/* 2ms */
101 	.bInterval[USB_SPEED_FULL] = 2,		/* 2ms */
102 	.bInterval[USB_SPEED_HIGH] = 5,		/* 2ms */
103 };
104 
105 static const struct usb_temp_endpoint_desc mouse_ep_0 = {
106 	.ppRawDesc = NULL,		/* no raw descriptors */
107 	.pPacketSize = &mouse_intr_mps,
108 	.pIntervals = &mouse_intr_interval,
109 	.bEndpointAddress = UE_DIR_IN,
110 	.bmAttributes = UE_INTERRUPT,
111 };
112 
113 static const struct usb_temp_endpoint_desc *mouse_endpoints[] = {
114 	&mouse_ep_0,
115 	NULL,
116 };
117 
118 static const uint8_t mouse_raw_desc[] = {
119 	0x09, 0x21, 0x10, 0x01, 0x00, 0x01, 0x22, sizeof(mouse_hid_descriptor),
120 	0x00
121 };
122 
123 static const void *mouse_iface_0_desc[] = {
124 	mouse_raw_desc,
125 	NULL,
126 };
127 
128 static const struct usb_temp_interface_desc mouse_iface_0 = {
129 	.ppRawDesc = mouse_iface_0_desc,
130 	.ppEndpoints = mouse_endpoints,
131 	.bInterfaceClass = 3,
132 	.bInterfaceSubClass = 1,
133 	.bInterfaceProtocol = 2,
134 	.iInterface = INDEX_MOUSE,
135 };
136 
137 static const struct usb_temp_interface_desc *mouse_interfaces[] = {
138 	&mouse_iface_0,
139 	NULL,
140 };
141 
142 static const struct usb_temp_config_desc mouse_config_desc = {
143 	.ppIfaceDesc = mouse_interfaces,
144 	.bmAttributes = UC_BUS_POWERED,
145 	.bMaxPower = 25,		/* 50 mA */
146 	.iConfiguration = INDEX_PRODUCT,
147 };
148 
149 static const struct usb_temp_config_desc *mouse_configs[] = {
150 	&mouse_config_desc,
151 	NULL,
152 };
153 
154 static usb_temp_get_string_desc_t mouse_get_string_desc;
155 static usb_temp_get_vendor_desc_t mouse_get_vendor_desc;
156 
157 const struct usb_temp_device_desc usb_template_mouse = {
158 	.getStringDesc = &mouse_get_string_desc,
159 	.getVendorDesc = &mouse_get_vendor_desc,
160 	.ppConfigDesc = mouse_configs,
161 	.idVendor = USB_TEMPLATE_VENDOR,
162 	.idProduct = 0x00AE,
163 	.bcdDevice = 0x0100,
164 	.bDeviceClass = UDCLASS_COMM,
165 	.bDeviceSubClass = 0,
166 	.bDeviceProtocol = 0,
167 	.iManufacturer = 0,
168 	.iProduct = INDEX_PRODUCT,
169 	.iSerialNumber = 0,
170 };
171 
172 /*------------------------------------------------------------------------*
173  *      mouse_get_vendor_desc
174  *
175  * Return values:
176  * NULL: Failure. No such vendor descriptor.
177  * Else: Success. Pointer to vendor descriptor is returned.
178  *------------------------------------------------------------------------*/
179 static const void *
180 mouse_get_vendor_desc(const struct usb_device_request *req, uint16_t *plen)
181 {
182 	if ((req->bmRequestType == 0x81) && (req->bRequest == 0x06) &&
183 	    (req->wValue[0] == 0x00) && (req->wValue[1] == 0x22) &&
184 	    (req->wIndex[1] == 0) && (req->wIndex[0] == 0)) {
185 
186 		*plen = sizeof(mouse_hid_descriptor);
187 		return (mouse_hid_descriptor);
188 	}
189 	return (NULL);
190 }
191 
192 /*------------------------------------------------------------------------*
193  *	mouse_get_string_desc
194  *
195  * Return values:
196  * NULL: Failure. No such string.
197  * Else: Success. Pointer to string descriptor is returned.
198  *------------------------------------------------------------------------*/
199 static const void *
200 mouse_get_string_desc(uint16_t lang_id, uint8_t string_index)
201 {
202 	static const void *ptr[INDEX_MAX] = {
203 		[INDEX_LANG] = &usb_string_lang_en,
204 		[INDEX_MOUSE] = &string_mouse,
205 		[INDEX_PRODUCT] = &string_product,
206 	};
207 
208 	if (string_index == 0) {
209 		return (&usb_string_lang_en);
210 	}
211 	if (lang_id != 0x0409) {
212 		return (NULL);
213 	}
214 	if (string_index < INDEX_MAX) {
215 		return (ptr[string_index]);
216 	}
217 	return (NULL);
218 }
219