1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * auxio.h: Definitions and code for the Auxiliary I/O registers. 4 * 5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) 6 * 7 * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net) 8 */ 9 #ifndef _SPARC64_AUXIO_H 10 #define _SPARC64_AUXIO_H 11 12 /* AUXIO implementations: 13 * sbus-based NCR89C105 "Slavio" 14 * LED/Floppy (AUX1) register 15 * Power (AUX2) register 16 * 17 * ebus-based auxio on PCIO 18 * LED Auxio Register 19 * Power Auxio Register 20 * 21 * Register definitions from NCR _NCR89C105 Chip Specification_ 22 * 23 * SLAVIO AUX1 @ 0x1900000 24 * ------------------------------------------------- 25 * | (R) | (R) | D | (R) | E | M | T | L | 26 * ------------------------------------------------- 27 * (R) - bit 7:6,4 are reserved and should be masked in s/w 28 * D - Floppy Density Sense (1=high density) R/O 29 * E - Link Test Enable, directly reflected on AT&T 7213 LTE pin 30 * M - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin 31 * T - Terminal Count: sends TC pulse to 82077 floppy controller 32 * L - System LED on front panel (0=off, 1=on) 33 */ 34 #define AUXIO_AUX1_MASK 0xc0 /* Mask bits */ 35 #define AUXIO_AUX1_FDENS 0x20 /* Floppy Density Sense */ 36 #define AUXIO_AUX1_LTE 0x08 /* Link Test Enable */ 37 #define AUXIO_AUX1_MMUX 0x04 /* Monitor/Mouse Mux */ 38 #define AUXIO_AUX1_FTCNT 0x02 /* Terminal Count, */ 39 #define AUXIO_AUX1_LED 0x01 /* System LED */ 40 41 /* SLAVIO AUX2 @ 0x1910000 42 * ------------------------------------------------- 43 * | (R) | (R) | D | (R) | (R) | (R) | C | F | 44 * ------------------------------------------------- 45 * (R) - bits 7:6,4:2 are reserved and should be masked in s/w 46 * D - Power Failure Detect (1=power fail) 47 * C - Clear Power Failure Detect Int (1=clear) 48 * F - Power Off (1=power off) 49 */ 50 #define AUXIO_AUX2_MASK 0xdc /* Mask Bits */ 51 #define AUXIO_AUX2_PFAILDET 0x20 /* Power Fail Detect */ 52 #define AUXIO_AUX2_PFAILCLR 0x02 /* Clear Pwr Fail Det Intr */ 53 #define AUXIO_AUX2_PWR_OFF 0x01 /* Power Off */ 54 55 /* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837 56 * 57 * PCIO LED Auxio @ 0x726000 58 * ------------------------------------------------- 59 * | 31:1 Unused | LED | 60 * ------------------------------------------------- 61 * Bits 31:1 unused 62 * LED - System LED on front panel (0=off, 1=on) 63 */ 64 #define AUXIO_PCIO_LED 0x01 /* System LED */ 65 66 /* PCIO Power Auxio @ 0x724000 67 * ------------------------------------------------- 68 * | 31:2 Unused | CPO | SPO | 69 * ------------------------------------------------- 70 * Bits 31:2 unused 71 * CPO - Courtesy Power Off (1=off) 72 * SPO - System Power Off (1=off) 73 */ 74 #define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */ 75 #define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */ 76 77 #ifndef __ASSEMBLY__ 78 79 #define AUXIO_LTE_ON 1 80 #define AUXIO_LTE_OFF 0 81 82 /* auxio_set_lte - Set Link Test Enable (TPE Link Detect) 83 * 84 * on - AUXIO_LTE_ON or AUXIO_LTE_OFF 85 */ 86 void auxio_set_lte(int on); 87 88 #define AUXIO_LED_ON 1 89 #define AUXIO_LED_OFF 0 90 91 /* auxio_set_led - Set system front panel LED 92 * 93 * on - AUXIO_LED_ON or AUXIO_LED_OFF 94 */ 95 void auxio_set_led(int on); 96 97 #endif /* ifndef __ASSEMBLY__ */ 98 99 #endif /* !(_SPARC64_AUXIO_H) */