uboot-phytec

/* keyboard/mouse not implemented yet */

​

extern int cma_kbm_not_implemented;

​

/**************** DEFINES for H8542B Keyboard/Mouse Controller ***************/

​

/*

 * note the auxillary port is used to control the mouse

 */

​

/* 8542B Commands (Sent to the Command Port) */

#define HT8542_CMD_SET_BYTE 0x60    /* Set the command byte */

#define HT8542_CMD_GET_BYTE 0x20    /* Get the command byte */

#define HT8542_CMD_KBD_OBUFF    0xD2    /* Write to HT8542 Kbd Output Buffer */

#define HT8542_CMD_AUX_OBUFF    0xD3    /* Write to HT8542 Mse Output Buffer */

#define HT8542_CMD_AUX_WRITE    0xD4    /* Write to Mouse Port */

#define HT8542_CMD_AUX_OFF  0xA7    /* Disable Mouse Port */

#define HT8542_CMD_AUX_ON   0xA8    /* Re-Enable Mouse Port */

#define HT8542_CMD_AUX_TEST 0xA9    /* Test for the presence of a Mouse */

#define HT8542_CMD_DIAG     0xAA    /* Start Diagnostics */

#define HT8542_CMD_KBD_TEST 0xAB    /* Test for presence of a keyboard */

#define HT8542_CMD_KBD_OFF  0xAD    /* Disable Kbd Port (use KBD_DAT_ON) */

#define HT8542_CMD_KBD_ON   0xAE    /* Enable Kbd Port (use KBD_DAT_OFF) */

​

/* HT8542B cmd byte set by KBD_CMD_SET_BYTE and retrieved by KBD_CMD_GET_BYTE */

#define HT8542_CMD_BYTE_TRANS   0x40

#define HT8542_CMD_BYTE_AUX_OFF 0x20    /* 1 = mse port disabled, 0 = enabled */

#define HT8542_CMD_BYTE_KBD_OFF 0x10    /* 1 = kbd port disabled, 0 = enabled */

#define HT8542_CMD_BYTE_OVER    0x08    /* 1 = override keyboard lock */

#define HT8542_CMD_BYTE_RES 0x04    /* reserved */

#define HT8542_CMD_BYTE_AUX_INT 0x02    /* 1 = enable mouse interrupt */

#define HT8542_CMD_BYTE_KBD_INT 0x01    /* 1 = enable keyboard interrupt */

​

/* Keyboard Commands (Sent to the Data Port) */

#define KBD_CMD_LED     0xED    /* Set Keyboard LEDS with next byte */

#define KBD_CMD_ECHO        0xEE    /* Echo - we get 0xFA, 0xEE back */

#define KBD_CMD_MODE        0xF0    /* set scan code mode with next byte */

#define KBD_CMD_ID      0xF2    /* get keyboard/mouse ID */

#define KBD_CMD_RPT     0xF3    /* Set Repeat Rate and Delay 2nd Byte */

#define KBD_CMD_ON      0xF4    /* Enable keyboard */

#define KBD_CMD_OFF     0xF5    /* Disables Scanning, Resets to Def */

#define KBD_CMD_DEF     0xF6    /* Reverts kbd to default settings */

#define KBD_CMD_RST     0xFF    /* Reset - should get 0xFA, 0xAA back */

​

/* Set LED second bit defines */

#define KBD_CMD_LED_SCROLL  0x01    /* Set SCROLL LOCK LED on */

#define KBD_CMD_LED_NUM     0x02    /* Set NUM LOCK LED on */

#define KBD_CMD_LED_CAPS    0x04    /* Set CAPS LOCK LED on */

​

/* Set Mode second byte defines */

#define KBD_CMD_MODE_STAT   0x00    /* get current scan code mode */

#define KBD_CMD_MODE_SCAN1  0x01    /* set mode to scan code 1 */

#define KBD_CMD_MODE_SCAN2  0x02    /* set mode to scan code 2 */

#define KBD_CMD_MODE_SCAN3  0x03    /* set mode to scan code 3 */

​

/* Keyboard/Mouse ID Codes */

#define KBD_CMD_ID_1ST      0xAB    /* 1st byte is 0xAB, 2nd is actual ID */

#define KBD_CMD_ID_KBD      0x83    /* Keyboard */

#define KBD_CMD_ID_MOUSE    0x00    /* Mouse */

​

/* Keyboard Data Return Defines */

#define KBD_STAT_OVER       0x00    /* Buffer Overrun */

#define KBD_STAT_DIAG_OK    0x55    /* Internal Self Test OK */