| wdenk | 2d39b71 | 2000-12-14 10:04:19 +0000 | [diff] [blame] | 1 | /* keyboard/mouse not implemented yet */ |
| 2 | |
| 3 | extern int cma_kbm_not_implemented; |
| 4 | |
| 5 | /**************** DEFINES for H8542B Keyboard/Mouse Controller ***************/ |
| 6 | |
| 7 | /* |
| 8 | * note the auxillary port is used to control the mouse |
| 9 | */ |
| 10 | |
| 11 | /* 8542B Commands (Sent to the Command Port) */ |
| 12 | #define HT8542_CMD_SET_BYTE 0x60 /* Set the command byte */ |
| 13 | #define HT8542_CMD_GET_BYTE 0x20 /* Get the command byte */ |
| 14 | #define HT8542_CMD_KBD_OBUFF 0xD2 /* Write to HT8542 Kbd Output Buffer */ |
| 15 | #define HT8542_CMD_AUX_OBUFF 0xD3 /* Write to HT8542 Mse Output Buffer */ |
| 16 | #define HT8542_CMD_AUX_WRITE 0xD4 /* Write to Mouse Port */ |
| 17 | #define HT8542_CMD_AUX_OFF 0xA7 /* Disable Mouse Port */ |
| 18 | #define HT8542_CMD_AUX_ON 0xA8 /* Re-Enable Mouse Port */ |
| 19 | #define HT8542_CMD_AUX_TEST 0xA9 /* Test for the presence of a Mouse */ |
| 20 | #define HT8542_CMD_DIAG 0xAA /* Start Diagnostics */ |
| 21 | #define HT8542_CMD_KBD_TEST 0xAB /* Test for presence of a keyboard */ |
| 22 | #define HT8542_CMD_KBD_OFF 0xAD /* Disable Kbd Port (use KBD_DAT_ON) */ |
| 23 | #define HT8542_CMD_KBD_ON 0xAE /* Enable Kbd Port (use KBD_DAT_OFF) */ |
| 24 | |
| 25 | /* HT8542B cmd byte set by KBD_CMD_SET_BYTE and retrieved by KBD_CMD_GET_BYTE */ |
| 26 | #define HT8542_CMD_BYTE_TRANS 0x40 |
| 27 | #define HT8542_CMD_BYTE_AUX_OFF 0x20 /* 1 = mse port disabled, 0 = enabled */ |
| 28 | #define HT8542_CMD_BYTE_KBD_OFF 0x10 /* 1 = kbd port disabled, 0 = enabled */ |
| 29 | #define HT8542_CMD_BYTE_OVER 0x08 /* 1 = override keyboard lock */ |
| 30 | #define HT8542_CMD_BYTE_RES 0x04 /* reserved */ |
| 31 | #define HT8542_CMD_BYTE_AUX_INT 0x02 /* 1 = enable mouse interrupt */ |
| 32 | #define HT8542_CMD_BYTE_KBD_INT 0x01 /* 1 = enable keyboard interrupt */ |
| 33 | |
| 34 | /* Keyboard Commands (Sent to the Data Port) */ |
| 35 | #define KBD_CMD_LED 0xED /* Set Keyboard LEDS with next byte */ |
| 36 | #define KBD_CMD_ECHO 0xEE /* Echo - we get 0xFA, 0xEE back */ |
| 37 | #define KBD_CMD_MODE 0xF0 /* set scan code mode with next byte */ |
| 38 | #define KBD_CMD_ID 0xF2 /* get keyboard/mouse ID */ |
| 39 | #define KBD_CMD_RPT 0xF3 /* Set Repeat Rate and Delay 2nd Byte */ |
| 40 | #define KBD_CMD_ON 0xF4 /* Enable keyboard */ |
| 41 | #define KBD_CMD_OFF 0xF5 /* Disables Scanning, Resets to Def */ |
| 42 | #define KBD_CMD_DEF 0xF6 /* Reverts kbd to default settings */ |
| 43 | #define KBD_CMD_RST 0xFF /* Reset - should get 0xFA, 0xAA back */ |
| 44 | |
| 45 | /* Set LED second bit defines */ |
| 46 | #define KBD_CMD_LED_SCROLL 0x01 /* Set SCROLL LOCK LED on */ |
| 47 | #define KBD_CMD_LED_NUM 0x02 /* Set NUM LOCK LED on */ |
| 48 | #define KBD_CMD_LED_CAPS 0x04 /* Set CAPS LOCK LED on */ |
| 49 | |
| 50 | /* Set Mode second byte defines */ |
| 51 | #define KBD_CMD_MODE_STAT 0x00 /* get current scan code mode */ |
| 52 | #define KBD_CMD_MODE_SCAN1 0x01 /* set mode to scan code 1 */ |
| 53 | #define KBD_CMD_MODE_SCAN2 0x02 /* set mode to scan code 2 */ |
| 54 | #define KBD_CMD_MODE_SCAN3 0x03 /* set mode to scan code 3 */ |
| 55 | |
| 56 | /* Keyboard/Mouse ID Codes */ |
| 57 | #define KBD_CMD_ID_1ST 0xAB /* 1st byte is 0xAB, 2nd is actual ID */ |
| 58 | #define KBD_CMD_ID_KBD 0x83 /* Keyboard */ |
| 59 | #define KBD_CMD_ID_MOUSE 0x00 /* Mouse */ |
| 60 | |
| 61 | /* Keyboard Data Return Defines */ |
| 62 | #define KBD_STAT_OVER 0x00 /* Buffer Overrun */ |
| 63 | #define KBD_STAT_DIAG_OK 0x55 /* Internal Self Test OK */ |
| 64 | #define KBD_STAT_RST_OK 0xAA /* Reset Complete */ |
| 65 | #define KBD_STAT_ECHO 0xEE /* Echo Command Return */ |
| 66 | #define KBD_STAT_BRK 0xF0 /* Prefix for Break Key Code */ |
| 67 | #define KBD_STAT_ACK 0xFA /* Received after all commands */ |
| 68 | #define KBD_STAT_DIAG_FAIL 0xFD /* Internal Self Test Failed */ |
| 69 | #define KBD_STAT_RESEND 0xFE /* Resend Last Command */ |
| 70 | |
| 71 | /* HT8542B Status Register Bit Defines */ |
| 72 | #define HT8542_STAT_OBF 0x01 /* 1 = output buffer is full */ |
| 73 | #define HT8542_STAT_IBF 0x02 /* 1 = input buffer is full */ |
| 74 | #define HT8542_STAT_SYS 0x04 /* system flag - unused */ |
| 75 | #define HT8542_STAT_CMD 0x08 /* 1 = cmd in input buffer, 0 = data */ |
| 76 | #define HT8542_STAT_INH 0x10 /* 1 = Inhibit - unused */ |
| 77 | #define HT8542_STAT_TX 0x20 /* 1 = Transmit Timeout has occured */ |
| 78 | #define HT8542_STAT_RX 0x40 /* 1 = Receive Timeout has occured */ |
| 79 | #define HT8542_STAT_PERR 0x80 /* 1 = Parity Error from Keyboard */ |