1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 #ifndef _I8042_H 3 #define _I8042_H 4 5 6 /* 7 * Copyright (c) 1999-2002 Vojtech Pavlik 8 */ 9 10 /* 11 * Arch-dependent inline functions and defines. 12 */ 13 14 #if defined(CONFIG_MACH_JAZZ) 15 #include "i8042-jazzio.h" 16 #elif defined(CONFIG_SGI_HAS_I8042) 17 #include "i8042-ip22io.h" 18 #elif defined(CONFIG_SNI_RM) 19 #include "i8042-snirm.h" 20 #elif defined(CONFIG_SPARC) 21 #include "i8042-sparcio.h" 22 #elif defined(CONFIG_X86) || defined(CONFIG_IA64) 23 #include "i8042-x86ia64io.h" 24 #elif defined(CONFIG_UNICORE32) 25 #include "i8042-unicore32io.h" 26 #else 27 #include "i8042-io.h" 28 #endif 29 30 /* 31 * This is in 50us units, the time we wait for the i8042 to react. This 32 * has to be long enough for the i8042 itself to timeout on sending a byte 33 * to a non-existent mouse. 34 */ 35 36 #define I8042_CTL_TIMEOUT 10000 37 38 /* 39 * Return codes. 40 */ 41 42 #define I8042_RET_CTL_TEST 0x55 43 44 /* 45 * Expected maximum internal i8042 buffer size. This is used for flushing 46 * the i8042 buffers. 47 */ 48 49 #define I8042_BUFFER_SIZE 16 50 51 /* 52 * Number of AUX ports on controllers supporting active multiplexing 53 * specification 54 */ 55 56 #define I8042_NUM_MUX_PORTS 4 57 58 /* 59 * Debug. 60 */ 61 62 #ifdef DEBUG 63 static unsigned long i8042_start_time; 64 #define dbg_init() do { i8042_start_time = jiffies; } while (0) 65 #define dbg(format, arg...) \ 66 do { \ 67 if (i8042_debug) \ 68 printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ 69 (int) (jiffies - i8042_start_time), ##arg); \ 70 } while (0) 71 72 #define filter_dbg(filter, data, format, args...) \ 73 do { \ 74 if (!i8042_debug) \ 75 break; \ 76 \ 77 if (!filter || i8042_unmask_kbd_data) \ 78 dbg("%02x " format, data, ##args); \ 79 else \ 80 dbg("** " format, ##args); \ 81 } while (0) 82 #else 83 #define dbg_init() do { } while (0) 84 #define dbg(format, arg...) \ 85 do { \ 86 if (0) \ 87 printk(KERN_DEBUG pr_fmt(format), ##arg); \ 88 } while (0) 89 90 #define filter_dbg(filter, data, format, args...) do { } while (0) 91 #endif 92 93 #endif /* _I8042_H */ 94