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