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#ifndef __PL050_KMI_H__

#define __PL050_KMI_H__

/* Register offsets */

#define PL050_KMICR             0x00

#define PL050_KMISTAT           0x04

#define PL050_KMIDATA           0x08

#define PL050_KMICLKDIV         0x0C

#define PL050_KMIIR             0x10

/* Bit definitions for KMI control register */

#define KMI_TYPE                (1 << 0x5)

#define KMI_RXINTR              (1 << 0x4)

#define KMI_TXINTR              (1 << 0x3)

#define KMI_EN                  (1 << 0x2)

#define KMI_FD                  (1 << 0x1)

#define KMI_FC                  (1 << 0x0)

/* KMI generic defines */

#define KMI_DATA_RESET     0xFF

#define KMI_DATA_RTR       0xAA

/* Keyboard special defines */

#define KYBD_DATA_RESET     KMI_DATA_RESET      // Keyboard reset

#define KYBD_DATA_RTR       KMI_DATA_RTR        // Keyboard response to reset

#define KYBD_DATA_KEYUP         0xF0    // Key up control code

#define KYBD_DATA_SHIFTL        18      // Shift key left

#define KYBD_DATA_SHIFTR        89      // Shift key right

/* Bit definitions for KMI STAT register */

#define KMI_TXEMPTY     (1 << 0x6)

#define KMI_TXBUSY      (1 << 0x5)

#define KMI_RXFULL      (1 << 0x4)

#define KMI_RXBUSY      (1 << 0x3)

#define KMI_RXPARITY    (1 << 0x2)

#define KMI_CLKIN       (1 << 0x1)

#define KMI_DATAIN      (1 << 0x0)

/* Mouse special defines */

#define MOUSE_DATA_RESET        KMI_DATA_RESET  // Mouse reset

#define MOUSE_DATA_RTR          KMI_DATA_RTR    // Mouse response to reset

#define MOUSE_DATA_ACK          0xFA

#define MOUSE_DATA_ENABLE       0xF4            // Mouse enable

/* Common functions */

void kmi_rx_irq_enable(unsigned long base);

int kmi_data_read(unsigned long base);

/* Keyboard specific calls */

char kmi_keyboard_read(unsigned long base, struct keyboard_state *state);

void kmi_keyboard_init(unsigned long base, unsigned int div);

/* Mouse specific calls */

void kmi_mouse_enable(unsigned long base);

void kmi_mouse_init(unsigned long base, unsigned int div);

#endif /* __PL050_KMI_H__ */