- /*
- * include/linux/pc_keyb.h
- *
- * PC Keyboard And Keyboard Controller
- *
- * (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
- */
- /*
- * Configuration Switches
- */
- #undef KBD_REPORT_ERR /* Report keyboard errors */
- #define KBD_REPORT_UNKN /* Report unknown scan codes */
- #define KBD_REPORT_TIMEOUTS /* Report keyboard timeouts */
- #undef KBD_IS_FOCUS_9000 /* We have the brain-damaged FOCUS-9000 keyboard */
- #undef INITIALIZE_MOUSE /* Define if your PS/2 mouse needs initialization. */
- #define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */
- #define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
- #define KBD_TIMEOUT 1000 /* Timeout in ms for keyboard command acknowledge */
- /*
- * Internal variables of the driver
- */
- extern unsigned char pckbd_read_mask;
- extern unsigned char aux_device_present;
- /*
- * Keyboard Controller Registers on normal PCs.
- */
- #define KBD_STATUS_REG 0x64 /* Status register (R) */
- #define KBD_CNTL_REG 0x64 /* Controller command register (W) */
- #define KBD_DATA_REG 0x60 /* Keyboard data register (R/W) */
- /*
- * Keyboard Controller Commands
- */
- #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
- #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
- #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
- #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
- #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
- #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
- #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
- #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
- #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
- #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
- #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
- initiated by the auxiliary device */
- #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
- /*
- * Keyboard Commands
- */
- #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
- #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
- #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
- #define KBD_CMD_DISABLE 0xF5 /* Disable scanning */
- #define KBD_CMD_RESET 0xFF /* Reset */
- /*
- * Keyboard Replies
- */
- #define KBD_REPLY_POR 0xAA /* Power on reset */
- #define KBD_REPLY_ACK 0xFA /* Command ACK */
- #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
- /*
- * Status Register Bits
- */
- #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
- #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
- #define KBD_STAT_SELFTEST 0x04 /* Self test successful */
- #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
- #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
- #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
- #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
- #define KBD_STAT_PERR 0x80 /* Parity error */
- #define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
- /*
- * Controller Mode Register Bits
- */
- #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
- #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
- #define KBD_MODE_SYS 0x04 /* The system flag (?) */
- #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
- #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
- #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
- #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
- #define KBD_MODE_RFU 0x80
- /*
- * Mouse Commands
- */
- #define AUX_SET_RES 0xE8 /* Set resolution */
- #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
- #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
- #define AUX_GET_SCALE 0xE9 /* Get scaling factor */
- #define AUX_SET_STREAM 0xEA /* Set stream mode */
- #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
- #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
- #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
- #define AUX_RESET 0xFF /* Reset aux device */
- #define AUX_ACK 0xFA /* Command byte ACK. */
- #define AUX_BUF_SIZE 2048 /* This might be better divisible by
- three to make overruns stay in sync
- but then the read function would need
- a lock etc - ick */
- struct aux_queue {
- unsigned long head;
- unsigned long tail;
- wait_queue_head_t proc_list;
- struct fasync_struct *fasync;
- unsigned char buf[AUX_BUF_SIZE];
- };