| #ifndef __KEYBOARD_H |
| #define __KEYBOARD_H |
| |
| #ifdef CONFIG_DM_KEYBOARD |
| #include <input.h> |
| #include <stdio_dev.h> |
| |
| /** |
| * struct keyboard_priv - information about a keyboard, for the uclass |
| * |
| * @sdev: stdio device |
| * @input: input configuration (the driver may use this if desired) |
| */ |
| struct keyboard_priv { |
| struct stdio_dev sdev; |
| |
| /* |
| * This is set up by the uclass but will only be used if the driver |
| * sets input.dev to its device pointer (it is initially NULL). |
| */ |
| struct input_config input; |
| }; |
| |
| /** |
| * struct keyboard_ops - keyboard device operations |
| */ |
| struct keyboard_ops { |
| /** |
| * start() - enable the keyboard ready for use |
| * |
| * @dev: Device to enable |
| * @return 0 if OK, -ve on error |
| */ |
| int (*start)(struct udevice *dev); |
| |
| /** |
| * stop() - disable the keyboard when no-longer needed |
| * |
| * @dev: Device to disable |
| * @return 0 if OK, -ve on error |
| */ |
| int (*stop)(struct udevice *dev); |
| |
| /** |
| * tstc() - check if a key is available |
| * |
| * @dev: Device to check |
| * @return 0 if no key is available, 1 if a key is available, -ve on |
| * error |
| */ |
| int (*tstc)(struct udevice *dev); |
| |
| /** |
| * getc() - get a key |
| * |
| * TODO(sjg@chromium.org): At present this method may wait if it calls |
| * input_getc(). |
| * |
| * @dev: Device to read from |
| * @return -EAGAIN if no key is available, otherwise key value read |
| * (as ASCII). |
| */ |
| int (*getc)(struct udevice *dev); |
| |
| /** |
| * update_leds() - update keyboard LEDs |
| * |
| * This is called when the LEDs have changed and need to be updated. |
| * For example, if 'caps lock' is pressed then this method will be |
| * called with the new LED value. |
| * |
| * @dev: Device to update |
| * @leds: New LED mask (see INPUT_LED_... in input.h) |
| */ |
| int (*update_leds)(struct udevice *dev, int leds); |
| }; |
| |
| #define keyboard_get_ops(dev) ((struct keyboard_ops *)(dev)->driver->ops) |
| |
| #else |
| |
| #ifdef CONFIG_PS2MULT |
| #include <ps2mult.h> |
| #endif |
| |
| #if !defined(kbd_request_region) || \ |
| !defined(kbd_request_irq) || \ |
| !defined(kbd_read_input) || \ |
| !defined(kbd_read_status) || \ |
| !defined(kbd_write_output) || \ |
| !defined(kbd_write_command) |
| #error PS/2 low level routines not defined |
| #endif |
| |
| extern int kbd_init (void); |
| extern void handle_scancode(unsigned char scancode); |
| extern int kbd_init_hw(void); |
| extern void pckbd_leds(unsigned char leds); |
| #endif /* !CONFIG_DM_KEYBOARD */ |
| |
| #endif /* __KEYBOARD_H */ |