include/asm-sparc64/auxio.h

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