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_PPC) 21 #include "i8042-ppcio.h" 22 #elif defined(CONFIG_SPARC) 23 #include "i8042-sparcio.h" 24 #elif defined(CONFIG_X86) || defined(CONFIG_IA64) 25 #include "i8042-x86ia64io.h" 26 #elif defined(CONFIG_UNICORE32) 27 #include "i8042-unicore32io.h" 28 #else 29 #include "i8042-io.h" 30 #endif 31 32 /* 33 * This is in 50us units, the time we wait for the i8042 to react. This 34 * has to be long enough for the i8042 itself to timeout on sending a byte 35 * to a non-existent mouse. 36 */ 37 38 #define I8042_CTL_TIMEOUT 10000 39 40 /* 41 * Return codes. 42 */ 43 44 #define I8042_RET_CTL_TEST 0x55 45 46 /* 47 * Expected maximum internal i8042 buffer size. This is used for flushing 48 * the i8042 buffers. 49 */ 50 51 #define I8042_BUFFER_SIZE 16 52 53 /* 54 * Number of AUX ports on controllers supporting active multiplexing 55 * specification 56 */ 57 58 #define I8042_NUM_MUX_PORTS 4 59 60 /* 61 * Debug. 62 */ 63 64 #ifdef DEBUG 65 static unsigned long i8042_start_time; 66 #define dbg_init() do { i8042_start_time = jiffies; } while (0) 67 #define dbg(format, arg...) \ 68 do { \ 69 if (i8042_debug) \ 70 printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ 71 (int) (jiffies - i8042_start_time), ##arg); \ 72 } while (0) 73 74 #define filter_dbg(filter, data, format, args...) \ 75 do { \ 76 if (!i8042_debug) \ 77 break; \ 78 \ 79 if (!filter || i8042_unmask_kbd_data) \ 80 dbg("%02x " format, data, ##args); \ 81 else \ 82 dbg("** " format, ##args); \ 83 } while (0) 84 #else 85 #define dbg_init() do { } while (0) 86 #define dbg(format, arg...) \ 87 do { \ 88 if (0) \ 89 printk(KERN_DEBUG pr_fmt(format), ##arg); \ 90 } while (0) 91 92 #define filter_dbg(filter, data, format, args...) do { } while (0) 93 #endif 94 95 #endif /* _I8042_H */ 96
