arch/sparc/include/asm/auxio_64.h

   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) */