225 lines
6.6 KiB
C
225 lines
6.6 KiB
C
#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* This file contains the USB template for an USB Keyboard Device.
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_cdc.h>
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#include <dev/usb/template/usb_template.h>
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enum {
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INDEX_LANG,
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INDEX_KEYBOARD,
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INDEX_PRODUCT,
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INDEX_MAX,
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};
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#define STRING_LANG \
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0x09, 0x04, /* American English */
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#define STRING_PRODUCT \
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'K', 0, 'e', 0, 'y', 0, 'b', 0, 'o', 0, 'a', 0, 'r', 0, 'd', 0, ' ', 0, \
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'T', 0, 'e', 0, 's', 0, 't', 0, ' ', 0, \
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'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0, 'e', 0, ' ', 0,
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#define STRING_KEYBOARD \
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'K', 0, 'e', 0, 'y', 0, 'b', 0, 'o', 0, 'a', 0, 'r', 0, 'd', 0, ' ', 0, \
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'i', 0, 'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0, 'a', 0, 'c', 0, 'e', 0,
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/* make the real string descriptors */
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USB_MAKE_STRING_DESC(STRING_LANG, string_lang);
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USB_MAKE_STRING_DESC(STRING_KEYBOARD, string_keyboard);
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USB_MAKE_STRING_DESC(STRING_PRODUCT, string_product);
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/* prototypes */
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static const struct usb_temp_packet_size keyboard_intr_mps = {
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.mps[USB_SPEED_LOW] = 16,
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.mps[USB_SPEED_FULL] = 16,
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.mps[USB_SPEED_HIGH] = 16,
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};
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static const struct usb_temp_interval keyboard_intr_interval = {
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.bInterval[USB_SPEED_LOW] = 2, /* ms */
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.bInterval[USB_SPEED_FULL] = 2,
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.bInterval[USB_SPEED_HIGH] = 2 * 8,
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};
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/* The following HID descriptor was dumped from a HP keyboard. */
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static uint8_t keyboard_hid_descriptor[] = {
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0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07,
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0x19, 0xe0, 0x29, 0xe7, 0x15, 0x00, 0x25, 0x01,
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0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01,
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0x75, 0x08, 0x81, 0x01, 0x95, 0x03, 0x75, 0x01,
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0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, 0x02,
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0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06,
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0x75, 0x08, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05,
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0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00,
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0xc0
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};
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static const struct usb_temp_endpoint_desc keyboard_ep_0 = {
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.ppRawDesc = NULL, /* no raw descriptors */
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.pPacketSize = &keyboard_intr_mps,
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.pIntervals = &keyboard_intr_interval,
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.bEndpointAddress = UE_DIR_IN,
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.bmAttributes = UE_INTERRUPT,
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};
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static const struct usb_temp_endpoint_desc *keyboard_endpoints[] = {
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&keyboard_ep_0,
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NULL,
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};
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static const uint8_t keyboard_raw_desc[] = {
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0x09, 0x21, 0x10, 0x01, 0x00, 0x01, 0x22, sizeof(keyboard_hid_descriptor),
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0x00
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};
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static const void *keyboard_iface_0_desc[] = {
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keyboard_raw_desc,
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NULL,
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};
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static const struct usb_temp_interface_desc keyboard_iface_0 = {
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.ppRawDesc = keyboard_iface_0_desc,
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.ppEndpoints = keyboard_endpoints,
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.bInterfaceClass = 3,
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.bInterfaceSubClass = 1,
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.bInterfaceProtocol = 1,
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.iInterface = INDEX_KEYBOARD,
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};
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static const struct usb_temp_interface_desc *keyboard_interfaces[] = {
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&keyboard_iface_0,
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NULL,
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};
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static const struct usb_temp_config_desc keyboard_config_desc = {
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.ppIfaceDesc = keyboard_interfaces,
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.bmAttributes = UC_BUS_POWERED,
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.bMaxPower = 25, /* 50 mA */
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.iConfiguration = INDEX_PRODUCT,
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};
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static const struct usb_temp_config_desc *keyboard_configs[] = {
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&keyboard_config_desc,
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NULL,
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};
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static usb_temp_get_string_desc_t keyboard_get_string_desc;
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static usb_temp_get_vendor_desc_t keyboard_get_vendor_desc;
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const struct usb_temp_device_desc usb_template_kbd = {
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.getStringDesc = &keyboard_get_string_desc,
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.getVendorDesc = &keyboard_get_vendor_desc,
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.ppConfigDesc = keyboard_configs,
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.idVendor = USB_TEMPLATE_VENDOR,
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.idProduct = 0x00CB,
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.bcdDevice = 0x0100,
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.bDeviceClass = UDCLASS_COMM,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.iManufacturer = 0,
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.iProduct = INDEX_PRODUCT,
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.iSerialNumber = 0,
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};
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/*------------------------------------------------------------------------*
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* keyboard_get_vendor_desc
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*
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* Return values:
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* NULL: Failure. No such vendor descriptor.
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* Else: Success. Pointer to vendor descriptor is returned.
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*------------------------------------------------------------------------*/
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static const void *
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keyboard_get_vendor_desc(const struct usb_device_request *req, uint16_t *plen)
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{
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if ((req->bmRequestType == 0x81) && (req->bRequest == 0x06) &&
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(req->wValue[0] == 0x00) && (req->wValue[1] == 0x22) &&
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(req->wIndex[1] == 0) && (req->wIndex[0] == 0)) {
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*plen = sizeof(keyboard_hid_descriptor);
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return (keyboard_hid_descriptor);
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}
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return (NULL);
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}
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/*------------------------------------------------------------------------*
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* keyboard_get_string_desc
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*
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* Return values:
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* NULL: Failure. No such string.
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* Else: Success. Pointer to string descriptor is returned.
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*------------------------------------------------------------------------*/
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static const void *
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keyboard_get_string_desc(uint16_t lang_id, uint8_t string_index)
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{
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static const void *ptr[INDEX_MAX] = {
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[INDEX_LANG] = &string_lang,
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[INDEX_KEYBOARD] = &string_keyboard,
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[INDEX_PRODUCT] = &string_product,
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};
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if (string_index == 0) {
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return (&string_lang);
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}
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if (lang_id != 0x0409) {
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return (NULL);
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}
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if (string_index < INDEX_MAX) {
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return (ptr[string_index]);
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}
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return (NULL);
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}
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