/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland
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*
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* Part of this source has been derived from the Linux USB
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* project.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <console.h>
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#include <dm.h>
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#include <errno.h>
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#include <malloc.h>
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#include <memalign.h>
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#include <stdio_dev.h>
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#include <asm/byteorder.h>
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#include <linux/input.h>
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#include <usb.h>
|
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/*
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* If overwrite_console returns 1, the stdin, stderr and stdout
|
* are switched to the serial port, else the settings in the
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* environment are used
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*/
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#ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
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extern int overwrite_console(void);
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#else
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int overwrite_console(void)
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{
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return 0;
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}
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#endif
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/* Keyboard sampling rate */
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#define REPEAT_RATE 40 /* 40msec -> 25cps */
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#define REPEAT_DELAY 10 /* 10 x REPEAT_RATE = 400msec */
|
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#define NUM_LOCK 0x53
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#define CAPS_LOCK 0x39
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#define SCROLL_LOCK 0x47
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/* Modifier bits */
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#define LEFT_CNTR (1 << 0)
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#define LEFT_SHIFT (1 << 1)
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#define LEFT_ALT (1 << 2)
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#define LEFT_GUI (1 << 3)
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#define RIGHT_CNTR (1 << 4)
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#define RIGHT_SHIFT (1 << 5)
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#define RIGHT_ALT (1 << 6)
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#define RIGHT_GUI (1 << 7)
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/* Size of the keyboard buffer */
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#define USB_KBD_BUFFER_LEN 0x20
|
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/* Device name */
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#define DEVNAME "usbkbd"
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/* Keyboard maps */
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static const unsigned char usb_kbd_numkey[] = {
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'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
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'\r', 0x1b, '\b', '\t', ' ', '-', '=', '[', ']',
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'\\', '#', ';', '\'', '`', ',', '.', '/'
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};
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static const unsigned char usb_kbd_numkey_shifted[] = {
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'!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
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'\r', 0x1b, '\b', '\t', ' ', '_', '+', '{', '}',
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'|', '~', ':', '"', '~', '<', '>', '?'
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};
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static const unsigned char usb_kbd_num_keypad[] = {
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'/', '*', '-', '+', '\r',
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'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
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'.', 0, 0, 0, '='
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};
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static const u8 usb_special_keys[] = {
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#ifdef CONFIG_USB_KEYBOARD_FN_KEYS
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'2', 'H', '5', '3', 'F', '6', 'C', 'D', 'B', 'A'
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#else
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'C', 'D', 'B', 'A'
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#endif
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};
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/*
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* NOTE: It's important for the NUM, CAPS, SCROLL-lock bits to be in this
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* order. See usb_kbd_setled() function!
|
*/
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#define USB_KBD_NUMLOCK (1 << 0)
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#define USB_KBD_CAPSLOCK (1 << 1)
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#define USB_KBD_SCROLLLOCK (1 << 2)
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#define USB_KBD_CTRL (1 << 3)
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#define USB_KBD_LEDMASK \
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(USB_KBD_NUMLOCK | USB_KBD_CAPSLOCK | USB_KBD_SCROLLLOCK)
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/*
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* USB Keyboard reports are 8 bytes in boot protocol.
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* Appendix B of HID Device Class Definition 1.11
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*/
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#define USB_KBD_BOOT_REPORT_SIZE 8
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struct usb_kbd_pdata {
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unsigned long intpipe;
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int intpktsize;
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int intinterval;
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unsigned long last_report;
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struct int_queue *intq;
|
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uint32_t repeat_delay;
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uint32_t usb_in_pointer;
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uint32_t usb_out_pointer;
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uint8_t usb_kbd_buffer[USB_KBD_BUFFER_LEN];
|
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uint8_t *new;
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uint8_t old[USB_KBD_BOOT_REPORT_SIZE];
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uint8_t flags;
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};
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extern int __maybe_unused net_busy_flag;
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/* The period of time between two calls of usb_kbd_testc(). */
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static unsigned long __maybe_unused kbd_testc_tms;
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/* Puts character in the queue and sets up the in and out pointer. */
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static void usb_kbd_put_queue(struct usb_kbd_pdata *data, u8 c)
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{
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if (data->usb_in_pointer == USB_KBD_BUFFER_LEN - 1) {
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/* Check for buffer full. */
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if (data->usb_out_pointer == 0)
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return;
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data->usb_in_pointer = 0;
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} else {
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/* Check for buffer full. */
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if (data->usb_in_pointer == data->usb_out_pointer - 1)
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return;
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data->usb_in_pointer++;
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}
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data->usb_kbd_buffer[data->usb_in_pointer] = c;
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}
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/*
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* Set the LEDs. Since this is used in the irq routine, the control job is
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* issued with a timeout of 0. This means, that the job is queued without
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* waiting for job completion.
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*/
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static void usb_kbd_setled(struct usb_device *dev)
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{
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struct usb_interface *iface = &dev->config.if_desc[0];
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struct usb_kbd_pdata *data = dev->privptr;
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ALLOC_ALIGN_BUFFER(uint32_t, leds, 1, USB_DMA_MINALIGN);
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*leds = data->flags & USB_KBD_LEDMASK;
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usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
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USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
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0x200, iface->desc.bInterfaceNumber, leds, 1, 0);
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}
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#define CAPITAL_MASK 0x20
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/* Translate the scancode in ASCII */
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static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,
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unsigned char modifier, int pressed)
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{
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uint8_t keycode = 0;
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/* Key released */
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if (pressed == 0) {
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data->repeat_delay = 0;
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return 0;
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}
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if (pressed == 2) {
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data->repeat_delay++;
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if (data->repeat_delay < REPEAT_DELAY)
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return 0;
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data->repeat_delay = REPEAT_DELAY;
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}
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/* Alphanumeric values */
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if ((scancode > 3) && (scancode <= 0x1d)) {
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keycode = scancode - 4 + 'a';
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if (data->flags & USB_KBD_CAPSLOCK)
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keycode &= ~CAPITAL_MASK;
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if (modifier & (LEFT_SHIFT | RIGHT_SHIFT)) {
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/* Handle CAPSLock + Shift pressed simultaneously */
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if (keycode & CAPITAL_MASK)
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keycode &= ~CAPITAL_MASK;
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else
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keycode |= CAPITAL_MASK;
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}
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}
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if ((scancode > 0x1d) && (scancode < 0x39)) {
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/* Shift pressed */
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if (modifier & (LEFT_SHIFT | RIGHT_SHIFT))
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keycode = usb_kbd_numkey_shifted[scancode - 0x1e];
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else
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keycode = usb_kbd_numkey[scancode - 0x1e];
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}
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/* Numeric keypad */
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if ((scancode >= 0x54) && (scancode <= 0x67))
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keycode = usb_kbd_num_keypad[scancode - 0x54];
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if (data->flags & USB_KBD_CTRL)
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keycode = scancode - 0x3;
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if (pressed == 1) {
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if (scancode == NUM_LOCK) {
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data->flags ^= USB_KBD_NUMLOCK;
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return 1;
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}
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if (scancode == CAPS_LOCK) {
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data->flags ^= USB_KBD_CAPSLOCK;
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return 1;
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}
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if (scancode == SCROLL_LOCK) {
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data->flags ^= USB_KBD_SCROLLLOCK;
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return 1;
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}
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}
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/* Report keycode if any */
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if (keycode) {
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debug("%c", keycode);
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usb_kbd_put_queue(data, keycode);
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return 0;
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}
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#ifdef CONFIG_USB_KEYBOARD_FN_KEYS
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if (scancode < 0x3a || scancode > 0x52 ||
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scancode == 0x46 || scancode == 0x47)
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return 1;
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usb_kbd_put_queue(data, 0x1b);
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if (scancode < 0x3e) {
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/* F1 - F4 */
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usb_kbd_put_queue(data, 0x4f);
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usb_kbd_put_queue(data, scancode - 0x3a + 'P');
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return 0;
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}
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usb_kbd_put_queue(data, '[');
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if (scancode < 0x42) {
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/* F5 - F8 */
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usb_kbd_put_queue(data, '1');
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if (scancode == 0x3e)
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--scancode;
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keycode = scancode - 0x3f + '7';
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} else if (scancode < 0x49) {
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/* F9 - F12 */
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usb_kbd_put_queue(data, '2');
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if (scancode > 0x43)
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++scancode;
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keycode = scancode - 0x42 + '0';
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} else {
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/*
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* INSERT, HOME, PAGE UP, DELETE, END, PAGE DOWN,
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* RIGHT, LEFT, DOWN, UP
|
*/
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keycode = usb_special_keys[scancode - 0x49];
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}
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usb_kbd_put_queue(data, keycode);
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if (scancode < 0x4f && scancode != 0x4a && scancode != 0x4d)
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usb_kbd_put_queue(data, '~');
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return 0;
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#else
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/* Left, Right, Up, Down */
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if (scancode > 0x4e && scancode < 0x53) {
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usb_kbd_put_queue(data, 0x1b);
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usb_kbd_put_queue(data, '[');
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usb_kbd_put_queue(data, usb_special_keys[scancode - 0x4f]);
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return 0;
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}
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return 1;
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#endif /* CONFIG_USB_KEYBOARD_FN_KEYS */
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}
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static uint32_t usb_kbd_service_key(struct usb_device *dev, int i, int up)
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{
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uint32_t res = 0;
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struct usb_kbd_pdata *data = dev->privptr;
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uint8_t *new;
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uint8_t *old;
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if (up) {
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new = data->old;
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old = data->new;
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} else {
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new = data->new;
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old = data->old;
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}
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if ((old[i] > 3) &&
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(memscan(new + 2, old[i], USB_KBD_BOOT_REPORT_SIZE - 2) ==
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new + USB_KBD_BOOT_REPORT_SIZE)) {
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res |= usb_kbd_translate(data, old[i], data->new[0], up);
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}
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return res;
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}
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/* Interrupt service routine */
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static int usb_kbd_irq_worker(struct usb_device *dev)
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{
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struct usb_kbd_pdata *data = dev->privptr;
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int i, res = 0;
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/* No combo key pressed */
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if (data->new[0] == 0x00)
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data->flags &= ~USB_KBD_CTRL;
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/* Left or Right Ctrl pressed */
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else if ((data->new[0] == LEFT_CNTR) || (data->new[0] == RIGHT_CNTR))
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data->flags |= USB_KBD_CTRL;
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for (i = 2; i < USB_KBD_BOOT_REPORT_SIZE; i++) {
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res |= usb_kbd_service_key(dev, i, 0);
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res |= usb_kbd_service_key(dev, i, 1);
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}
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/* Key is still pressed */
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if ((data->new[2] > 3) && (data->old[2] == data->new[2]))
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res |= usb_kbd_translate(data, data->new[2], data->new[0], 2);
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if (res == 1)
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usb_kbd_setled(dev);
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memcpy(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE);
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return 1;
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}
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/* Keyboard interrupt handler */
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static int usb_kbd_irq(struct usb_device *dev)
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{
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if ((dev->irq_status != 0) ||
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(dev->irq_act_len != USB_KBD_BOOT_REPORT_SIZE)) {
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debug("USB KBD: Error %lX, len %d\n",
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dev->irq_status, dev->irq_act_len);
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return 1;
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}
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return usb_kbd_irq_worker(dev);
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}
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/* Interrupt polling */
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static inline void usb_kbd_poll_for_event(struct usb_device *dev)
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{
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#if defined(CONFIG_SYS_USB_EVENT_POLL)
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struct usb_kbd_pdata *data = dev->privptr;
|
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/* Submit an interrupt transfer request */
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if (usb_int_msg(dev, data->intpipe, &data->new[0],
|
data->intpktsize, data->intinterval, true) >= 0)
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usb_kbd_irq_worker(dev);
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#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) || \
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defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
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#if defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
|
struct usb_interface *iface;
|
struct usb_kbd_pdata *data = dev->privptr;
|
iface = &dev->config.if_desc[0];
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usb_get_report(dev, iface->desc.bInterfaceNumber,
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1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE);
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if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE)) {
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usb_kbd_irq_worker(dev);
|
#else
|
struct usb_kbd_pdata *data = dev->privptr;
|
if (poll_int_queue(dev, data->intq)) {
|
usb_kbd_irq_worker(dev);
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/* We've consumed all queued int packets, create new */
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destroy_int_queue(dev, data->intq);
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data->intq = create_int_queue(dev, data->intpipe, 1,
|
USB_KBD_BOOT_REPORT_SIZE, data->new,
|
data->intinterval);
|
#endif
|
data->last_report = get_timer(0);
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/* Repeat last usb hid report every REPEAT_RATE ms for keyrepeat */
|
} else if (data->last_report != -1 &&
|
get_timer(data->last_report) > REPEAT_RATE) {
|
usb_kbd_irq_worker(dev);
|
data->last_report = get_timer(0);
|
}
|
#endif
|
}
|
|
/* test if a character is in the queue */
|
static int usb_kbd_testc(struct stdio_dev *sdev)
|
{
|
struct stdio_dev *dev;
|
struct usb_device *usb_kbd_dev;
|
struct usb_kbd_pdata *data;
|
|
#ifdef CONFIG_CMD_NET
|
/*
|
* If net_busy_flag is 1, NET transfer is running,
|
* then we check key-pressed every second (first check may be
|
* less than 1 second) to improve TFTP booting performance.
|
*/
|
if (net_busy_flag && (get_timer(kbd_testc_tms) < CONFIG_SYS_HZ))
|
return 0;
|
kbd_testc_tms = get_timer(0);
|
#endif
|
dev = stdio_get_by_name(DEVNAME);
|
usb_kbd_dev = (struct usb_device *)dev->priv;
|
data = usb_kbd_dev->privptr;
|
|
usb_kbd_poll_for_event(usb_kbd_dev);
|
|
return !(data->usb_in_pointer == data->usb_out_pointer);
|
}
|
|
/* gets the character from the queue */
|
static int usb_kbd_getc(struct stdio_dev *sdev)
|
{
|
struct stdio_dev *dev;
|
struct usb_device *usb_kbd_dev;
|
struct usb_kbd_pdata *data;
|
|
dev = stdio_get_by_name(DEVNAME);
|
usb_kbd_dev = (struct usb_device *)dev->priv;
|
data = usb_kbd_dev->privptr;
|
|
while (data->usb_in_pointer == data->usb_out_pointer)
|
usb_kbd_poll_for_event(usb_kbd_dev);
|
|
if (data->usb_out_pointer == USB_KBD_BUFFER_LEN - 1)
|
data->usb_out_pointer = 0;
|
else
|
data->usb_out_pointer++;
|
|
return data->usb_kbd_buffer[data->usb_out_pointer];
|
}
|
|
/* probes the USB device dev for keyboard type. */
|
static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
|
{
|
struct usb_interface *iface;
|
struct usb_endpoint_descriptor *ep;
|
struct usb_kbd_pdata *data;
|
|
if (dev->descriptor.bNumConfigurations != 1)
|
return 0;
|
|
iface = &dev->config.if_desc[ifnum];
|
|
if (iface->desc.bInterfaceClass != USB_CLASS_HID)
|
return 0;
|
|
if (iface->desc.bInterfaceSubClass != USB_SUB_HID_BOOT)
|
return 0;
|
|
if (iface->desc.bInterfaceProtocol != USB_PROT_HID_KEYBOARD)
|
return 0;
|
|
if (iface->desc.bNumEndpoints != 1)
|
return 0;
|
|
ep = &iface->ep_desc[0];
|
|
/* Check if endpoint 1 is interrupt endpoint */
|
if (!(ep->bEndpointAddress & 0x80))
|
return 0;
|
|
if ((ep->bmAttributes & 3) != 3)
|
return 0;
|
|
debug("USB KBD: found set protocol...\n");
|
|
data = malloc(sizeof(struct usb_kbd_pdata));
|
if (!data) {
|
printf("USB KBD: Error allocating private data\n");
|
return 0;
|
}
|
|
/* Clear private data */
|
memset(data, 0, sizeof(struct usb_kbd_pdata));
|
|
/* allocate input buffer aligned and sized to USB DMA alignment */
|
data->new = memalign(USB_DMA_MINALIGN,
|
roundup(USB_KBD_BOOT_REPORT_SIZE, USB_DMA_MINALIGN));
|
|
/* Insert private data into USB device structure */
|
dev->privptr = data;
|
|
/* Set IRQ handler */
|
dev->irq_handle = usb_kbd_irq;
|
|
data->intpipe = usb_rcvintpipe(dev, ep->bEndpointAddress);
|
data->intpktsize = min(usb_maxpacket(dev, data->intpipe),
|
USB_KBD_BOOT_REPORT_SIZE);
|
data->intinterval = ep->bInterval;
|
data->last_report = -1;
|
|
/* We found a USB Keyboard, install it. */
|
usb_set_protocol(dev, iface->desc.bInterfaceNumber, 0);
|
|
debug("USB KBD: found set idle...\n");
|
#if !defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) && \
|
!defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
|
usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE / 4, 0);
|
#else
|
usb_set_idle(dev, iface->desc.bInterfaceNumber, 0, 0);
|
#endif
|
|
debug("USB KBD: enable interrupt pipe...\n");
|
#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
|
data->intq = create_int_queue(dev, data->intpipe, 1,
|
USB_KBD_BOOT_REPORT_SIZE, data->new,
|
data->intinterval);
|
if (!data->intq) {
|
#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
|
if (usb_get_report(dev, iface->desc.bInterfaceNumber,
|
1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE) < 0) {
|
#else
|
if (usb_int_msg(dev, data->intpipe, data->new, data->intpktsize,
|
data->intinterval, false) < 0) {
|
#endif
|
printf("Failed to get keyboard state from device %04x:%04x\n",
|
dev->descriptor.idVendor, dev->descriptor.idProduct);
|
/* Abort, we don't want to use that non-functional keyboard. */
|
return 0;
|
}
|
|
/* Success. */
|
return 1;
|
}
|
|
static int probe_usb_keyboard(struct usb_device *dev)
|
{
|
char *stdinname;
|
struct stdio_dev usb_kbd_dev;
|
int error;
|
|
/* Try probing the keyboard */
|
if (usb_kbd_probe_dev(dev, 0) != 1)
|
return -ENOENT;
|
|
/* Register the keyboard */
|
debug("USB KBD: register.\n");
|
memset(&usb_kbd_dev, 0, sizeof(struct stdio_dev));
|
strcpy(usb_kbd_dev.name, DEVNAME);
|
usb_kbd_dev.flags = DEV_FLAGS_INPUT;
|
usb_kbd_dev.getc = usb_kbd_getc;
|
usb_kbd_dev.tstc = usb_kbd_testc;
|
usb_kbd_dev.priv = (void *)dev;
|
error = stdio_register(&usb_kbd_dev);
|
if (error)
|
return error;
|
|
stdinname = env_get("stdin");
|
#if CONFIG_IS_ENABLED(CONSOLE_MUX)
|
error = iomux_doenv(stdin, stdinname);
|
if (error)
|
return error;
|
#else
|
/* Check if this is the standard input device. */
|
if (strcmp(stdinname, DEVNAME))
|
return 1;
|
|
/* Reassign the console */
|
if (overwrite_console())
|
return 1;
|
|
error = console_assign(stdin, DEVNAME);
|
if (error)
|
return error;
|
#endif
|
|
return 0;
|
}
|
|
#if !CONFIG_IS_ENABLED(DM_USB)
|
/* Search for keyboard and register it if found. */
|
int drv_usb_kbd_init(void)
|
{
|
int error, i;
|
|
debug("%s: Probing for keyboard\n", __func__);
|
/* Scan all USB Devices */
|
for (i = 0; i < USB_MAX_DEVICE; i++) {
|
struct usb_device *dev;
|
|
/* Get USB device. */
|
dev = usb_get_dev_index(i);
|
if (!dev)
|
break;
|
|
if (dev->devnum == -1)
|
continue;
|
|
error = probe_usb_keyboard(dev);
|
if (!error)
|
return 1;
|
if (error && error != -ENOENT)
|
return error;
|
}
|
|
/* No USB Keyboard found */
|
return -1;
|
}
|
|
/* Deregister the keyboard. */
|
int usb_kbd_deregister(int force)
|
{
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#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
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struct stdio_dev *dev;
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struct usb_device *usb_kbd_dev;
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struct usb_kbd_pdata *data;
|
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dev = stdio_get_by_name(DEVNAME);
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if (dev) {
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usb_kbd_dev = (struct usb_device *)dev->priv;
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data = usb_kbd_dev->privptr;
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if (stdio_deregister_dev(dev, force) != 0)
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return 1;
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#if CONFIG_IS_ENABLED(CONSOLE_MUX)
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if (iomux_doenv(stdin, env_get("stdin")) != 0)
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return 1;
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#endif
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#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
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destroy_int_queue(usb_kbd_dev, data->intq);
|
#endif
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free(data->new);
|
free(data);
|
}
|
|
return 0;
|
#else
|
return 1;
|
#endif
|
}
|
|
#endif
|
|
#if CONFIG_IS_ENABLED(DM_USB)
|
|
int usb_kbd_recv_fn(int key_fn)
|
{
|
char ch[5];
|
int i;
|
|
if (!ftstc(stdin)) {
|
debug("No char\n");
|
return 0;
|
}
|
|
memset(ch, 0, 5);
|
for (i = 0; i < 5; i++) {
|
if (!ftstc(stdin))
|
break;
|
ch[i] = fgetc(stdin);
|
debug("char[%d]: 0x%x, %d\n", i, ch[i], ch[i]);
|
}
|
|
if (ch[0] != 0x1b) {
|
debug("Invalid 0x1b\n");
|
return 0;
|
}
|
|
switch (key_fn) {
|
case KEY_F1:
|
case KEY_F2:
|
case KEY_F3:
|
case KEY_F4:
|
if (ch[1] != 0x4f)
|
return 0;
|
return (ch[2] - 21 == key_fn);
|
case KEY_F5:
|
case KEY_F6:
|
case KEY_F7:
|
case KEY_F8:
|
if (ch[1] != '[' || ch[2] != '1' || ch[4] != '~')
|
return 0;
|
return (ch[3] + 9 == key_fn);
|
case KEY_F9:
|
case KEY_F10:
|
if (ch[1] != '[' || ch[2] != '2' || ch[4] != '~')
|
return 0;
|
return (ch[3] + 19 == key_fn);
|
case KEY_F11:
|
case KEY_F12:
|
if (ch[1] != '[' || ch[2] != '2' || ch[4] != '~')
|
return 0;
|
return (ch[3] + 36 == key_fn);
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
static int usb_kbd_probe(struct udevice *dev)
|
{
|
struct usb_device *udev = dev_get_parent_priv(dev);
|
|
return probe_usb_keyboard(udev);
|
}
|
|
static int usb_kbd_remove(struct udevice *dev)
|
{
|
struct usb_device *udev = dev_get_parent_priv(dev);
|
struct usb_kbd_pdata *data;
|
struct stdio_dev *sdev;
|
int ret;
|
|
sdev = stdio_get_by_name(DEVNAME);
|
if (!sdev) {
|
ret = -ENXIO;
|
goto err;
|
}
|
data = udev->privptr;
|
if (stdio_deregister_dev(sdev, true)) {
|
ret = -EPERM;
|
goto err;
|
}
|
#if CONFIG_IS_ENABLED(CONSOLE_MUX)
|
if (iomux_doenv(stdin, env_get("stdin"))) {
|
ret = -ENOLINK;
|
goto err;
|
}
|
#endif
|
#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
|
destroy_int_queue(udev, data->intq);
|
#endif
|
free(data->new);
|
free(data);
|
|
return 0;
|
err:
|
printf("%s: warning, ret=%d", __func__, ret);
|
return ret;
|
}
|
|
static const struct udevice_id usb_kbd_ids[] = {
|
{ .compatible = "usb-keyboard" },
|
{ }
|
};
|
|
U_BOOT_DRIVER(usb_kbd) = {
|
.name = "usb_kbd",
|
.id = UCLASS_KEYBOARD,
|
.of_match = usb_kbd_ids,
|
.probe = usb_kbd_probe,
|
.remove = usb_kbd_remove,
|
};
|
|
static const struct usb_device_id kbd_id_table[] = {
|
{
|
.match_flags = USB_DEVICE_ID_MATCH_INT_CLASS |
|
USB_DEVICE_ID_MATCH_INT_SUBCLASS |
|
USB_DEVICE_ID_MATCH_INT_PROTOCOL,
|
.bInterfaceClass = USB_CLASS_HID,
|
.bInterfaceSubClass = USB_SUB_HID_BOOT,
|
.bInterfaceProtocol = USB_PROT_HID_KEYBOARD,
|
},
|
{ } /* Terminating entry */
|
};
|
|
U_BOOT_USB_DEVICE(usb_kbd, kbd_id_table);
|
|
#endif
|
