1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * include/linux/pc_keyb.h 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * PC Keyboard And Keyboard Controller 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * Configuration Switches 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun #undef KBD_REPORT_ERR /* Report keyboard errors */ 13*4882a593Smuzhiyun #define KBD_REPORT_UNKN /* Report unknown scan codes */ 14*4882a593Smuzhiyun #define KBD_REPORT_TIMEOUTS /* Report keyboard timeouts */ 15*4882a593Smuzhiyun #undef KBD_IS_FOCUS_9000 /* We have the brain-damaged FOCUS-9000 keyboard */ 16*4882a593Smuzhiyun #undef INITIALIZE_MOUSE /* Define if your PS/2 mouse needs initialization. */ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */ 19*4882a593Smuzhiyun #define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */ 20*4882a593Smuzhiyun #define KBD_TIMEOUT 1000 /* Timeout in ms for keyboard command acknowledge */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* 23*4882a593Smuzhiyun * Internal variables of the driver 24*4882a593Smuzhiyun */ 25*4882a593Smuzhiyun extern unsigned char pckbd_read_mask; 26*4882a593Smuzhiyun extern unsigned char aux_device_present; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun /* 29*4882a593Smuzhiyun * Keyboard Controller Registers on normal PCs. 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun #define KBD_STATUS_REG 0x64 /* Status register (R) */ 32*4882a593Smuzhiyun #define KBD_CNTL_REG 0x64 /* Controller command register (W) */ 33*4882a593Smuzhiyun #define KBD_DATA_REG 0x60 /* Keyboard data register (R/W) */ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun /* 36*4882a593Smuzhiyun * Keyboard Controller Commands 37*4882a593Smuzhiyun */ 38*4882a593Smuzhiyun #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ 39*4882a593Smuzhiyun #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ 40*4882a593Smuzhiyun #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ 41*4882a593Smuzhiyun #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ 42*4882a593Smuzhiyun #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ 43*4882a593Smuzhiyun #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ 44*4882a593Smuzhiyun #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ 45*4882a593Smuzhiyun #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ 46*4882a593Smuzhiyun #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ 47*4882a593Smuzhiyun #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ 48*4882a593Smuzhiyun #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if 49*4882a593Smuzhiyun initiated by the auxiliary device */ 50*4882a593Smuzhiyun #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* 53*4882a593Smuzhiyun * Keyboard Commands 54*4882a593Smuzhiyun */ 55*4882a593Smuzhiyun #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ 56*4882a593Smuzhiyun #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ 57*4882a593Smuzhiyun #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ 58*4882a593Smuzhiyun #define KBD_CMD_DISABLE 0xF5 /* Disable scanning */ 59*4882a593Smuzhiyun #define KBD_CMD_RESET 0xFF /* Reset */ 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun /* 62*4882a593Smuzhiyun * Keyboard Replies 63*4882a593Smuzhiyun */ 64*4882a593Smuzhiyun #define KBD_REPLY_POR 0xAA /* Power on reset */ 65*4882a593Smuzhiyun #define KBD_REPLY_ACK 0xFA /* Command ACK */ 66*4882a593Smuzhiyun #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun /* 69*4882a593Smuzhiyun * Status Register Bits 70*4882a593Smuzhiyun */ 71*4882a593Smuzhiyun #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ 72*4882a593Smuzhiyun #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ 73*4882a593Smuzhiyun #define KBD_STAT_SELFTEST 0x04 /* Self test successful */ 74*4882a593Smuzhiyun #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ 75*4882a593Smuzhiyun #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ 76*4882a593Smuzhiyun #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 77*4882a593Smuzhiyun #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ 78*4882a593Smuzhiyun #define KBD_STAT_PERR 0x80 /* Parity error */ 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun #define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF) 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun /* 83*4882a593Smuzhiyun * Controller Mode Register Bits 84*4882a593Smuzhiyun */ 85*4882a593Smuzhiyun #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */ 86*4882a593Smuzhiyun #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ 87*4882a593Smuzhiyun #define KBD_MODE_SYS 0x04 /* The system flag (?) */ 88*4882a593Smuzhiyun #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ 89*4882a593Smuzhiyun #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ 90*4882a593Smuzhiyun #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ 91*4882a593Smuzhiyun #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ 92*4882a593Smuzhiyun #define KBD_MODE_RFU 0x80 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun /* 95*4882a593Smuzhiyun * Mouse Commands 96*4882a593Smuzhiyun */ 97*4882a593Smuzhiyun #define AUX_SET_RES 0xE8 /* Set resolution */ 98*4882a593Smuzhiyun #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ 99*4882a593Smuzhiyun #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ 100*4882a593Smuzhiyun #define AUX_GET_SCALE 0xE9 /* Get scaling factor */ 101*4882a593Smuzhiyun #define AUX_SET_STREAM 0xEA /* Set stream mode */ 102*4882a593Smuzhiyun #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ 103*4882a593Smuzhiyun #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ 104*4882a593Smuzhiyun #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ 105*4882a593Smuzhiyun #define AUX_RESET 0xFF /* Reset aux device */ 106*4882a593Smuzhiyun #define AUX_ACK 0xFA /* Command byte ACK. */ 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun #define AUX_BUF_SIZE 2048 /* This might be better divisible by 109*4882a593Smuzhiyun three to make overruns stay in sync 110*4882a593Smuzhiyun but then the read function would need 111*4882a593Smuzhiyun a lock etc - ick */ 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun #if 0 114*4882a593Smuzhiyun struct aux_queue { 115*4882a593Smuzhiyun unsigned long head; 116*4882a593Smuzhiyun unsigned long tail; 117*4882a593Smuzhiyun wait_queue_head_t proc_list; 118*4882a593Smuzhiyun struct fasync_struct *fasync; 119*4882a593Smuzhiyun unsigned char buf[AUX_BUF_SIZE]; 120*4882a593Smuzhiyun }; 121*4882a593Smuzhiyun #endif 122