LXR uboot/include/keyboard.h

   1#ifndef __KEYBOARD_H
   2#define __KEYBOARD_H
   3
   4#ifdef CONFIG_DM_KEYBOARD
   5#include <input.h>
   6#include <stdio_dev.h>
   7
   8/**
   9 * struct keyboard_priv - information about a keyboard, for the uclass
  10 *
  11 * @sdev:       stdio device
  12 * @input:      input configuration (the driver may use this if desired)
  13 */
  14struct keyboard_priv {
  15        struct stdio_dev sdev;
  16
  17        /*
  18         * This is set up by the uclass but will only be used if the driver
  19         * sets input.dev to its device pointer (it is initially NULL).
  20         */
  21        struct input_config input;
  22};
  23
  24/**
  25 * struct keyboard_ops - keyboard device operations
  26 */
  27struct keyboard_ops {
  28        /**
  29         * start() - enable the keyboard ready for use
  30         *
  31         * @dev:        Device to enable
  32         * @return 0 if OK, -ve on error
  33         */
  34        int (*start)(struct udevice *dev);
  35
  36        /**
  37         * stop() - disable the keyboard when no-longer needed
  38         *
  39         * @dev:        Device to disable
  40         * @return 0 if OK, -ve on error
  41         */
  42        int (*stop)(struct udevice *dev);
  43
  44        /**
  45         * tstc() - check if a key is available
  46         *
  47         * @dev:        Device to check
  48         * @return 0 if no key is available, 1 if a key is available, -ve on
  49         *         error
  50         */
  51        int (*tstc)(struct udevice *dev);
  52
  53        /**
  54         * getc() - get a key
  55         *
  56         * TODO(sjg@chromium.org): At present this method may wait if it calls
  57         * input_getc().
  58         *
  59         * @dev:        Device to read from
  60         * @return -EAGAIN if no key is available, otherwise key value read
  61         *         (as ASCII).
  62         */
  63        int (*getc)(struct udevice *dev);
  64
  65        /**
  66         * update_leds() - update keyboard LEDs
  67         *
  68         * This is called when the LEDs have changed and need to be updated.
  69         * For example, if 'caps lock' is pressed then this method will be
  70         * called with the new LED value.
  71         *
  72         * @dev:        Device to update
  73         * @leds:       New LED mask (see INPUT_LED_... in input.h)
  74         */
  75        int (*update_leds)(struct udevice *dev, int leds);
  76};
  77
  78#define keyboard_get_ops(dev)   ((struct keyboard_ops *)(dev)->driver->ops)
  79
  80#else
  81
  82#ifdef CONFIG_PS2MULT
  83#include <ps2mult.h>
  84#endif
  85
  86#if !defined(kbd_request_region) || \
  87    !defined(kbd_request_irq) || \
  88    !defined(kbd_read_input) || \
  89    !defined(kbd_read_status) || \
  90    !defined(kbd_write_output) || \
  91    !defined(kbd_write_command)
  92#error PS/2 low level routines not defined
  93#endif
  94
  95extern int kbd_init (void);
  96extern void handle_scancode(unsigned char scancode);
  97extern int kbd_init_hw(void);
  98extern void pckbd_leds(unsigned char leds);
  99#endif /* !CONFIG_DM_KEYBOARD */
 100
 101#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || \
 102                defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
 103int ps2ser_check(void);
 104#endif
 105
 106#endif /* __KEYBOARD_H */
 107