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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/sparc/include/asm/auxio_64.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * auxio.h:  Definitions and code for the Auxiliary I/O registers.

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 *

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 * Copyright (C) 1995 David S. Miller ([email protected])

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 *

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 * Refactoring for unified NCR/PCIO support 2002 Eric Brower ([email protected])

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 */

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#ifndef _SPARC64_AUXIO_H

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#define _SPARC64_AUXIO_H

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/* AUXIO implementations:

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 * sbus-based NCR89C105 "Slavio"

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 *	LED/Floppy (AUX1) register

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 *	Power (AUX2) register

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 *

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 * ebus-based auxio on PCIO

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 *	LED Auxio Register

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 *	Power Auxio Register

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 *

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 * Register definitions from NCR _NCR89C105 Chip Specification_

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 *

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 * SLAVIO AUX1 @ 0x1900000

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 * -------------------------------------------------

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 * | (R) | (R) |  D  | (R) |  E  |  M  |  T  |  L  |

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 * -------------------------------------------------

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 * (R) - bit 7:6,4 are reserved and should be masked in s/w

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 *  D  - Floppy Density Sense (1=high density) R/O

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 *  E  - Link Test Enable, directly reflected on AT&T 7213 LTE pin

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 *  M  - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin

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 *  T  - Terminal Count: sends TC pulse to 82077 floppy controller

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 *  L  - System LED on front panel (0=off, 1=on)

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 */

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#define AUXIO_AUX1_MASK		0xc0 /* Mask bits 		*/

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#define AUXIO_AUX1_FDENS	0x20 /* Floppy Density Sense	*/

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#define AUXIO_AUX1_LTE 		0x08 /* Link Test Enable 	*/

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#define AUXIO_AUX1_MMUX		0x04 /* Monitor/Mouse Mux	*/

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#define AUXIO_AUX1_FTCNT	0x02 /* Terminal Count, 	*/

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#define AUXIO_AUX1_LED		0x01 /* System LED		*/

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/* SLAVIO AUX2 @ 0x1910000

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 * -------------------------------------------------

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 * | (R) | (R) |  D  | (R) | (R) | (R) |  C  |  F  |

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 * -------------------------------------------------

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 * (R) - bits 7:6,4:2 are reserved and should be masked in s/w

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 *  D  - Power Failure Detect (1=power fail)

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 *  C  - Clear Power Failure Detect Int (1=clear)

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 *  F  - Power Off (1=power off)

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 */

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#define AUXIO_AUX2_MASK		0xdc /* Mask Bits		*/

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#define AUXIO_AUX2_PFAILDET	0x20 /* Power Fail Detect	*/

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#define AUXIO_AUX2_PFAILCLR 	0x02 /* Clear Pwr Fail Det Intr	*/

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#define AUXIO_AUX2_PWR_OFF	0x01 /* Power Off		*/

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/* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837

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 *

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 * PCIO LED Auxio @ 0x726000

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 * -------------------------------------------------

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 * |             31:1 Unused                 | LED |

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 * -------------------------------------------------

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 * Bits 31:1 unused

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 * LED - System LED on front panel (0=off, 1=on)

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 */

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#define AUXIO_PCIO_LED		0x01 /* System LED 		*/

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/* PCIO Power Auxio @ 0x724000

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 * -------------------------------------------------

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 * |             31:2 Unused           | CPO | SPO |

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 * -------------------------------------------------

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 * Bits 31:2 unused

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 * CPO - Courtesy Power Off (1=off)

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 * SPO - System Power Off   (1=off)

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 */

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#define AUXIO_PCIO_CPWR_OFF	0x02 /* Courtesy Power Off	*/

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#define AUXIO_PCIO_SPWR_OFF	0x01 /* System Power Off	*/

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#ifndef __ASSEMBLY__

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#define AUXIO_LTE_ON	1

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#define AUXIO_LTE_OFF	0

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/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)

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 *

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 * on - AUXIO_LTE_ON or AUXIO_LTE_OFF

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 */

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void auxio_set_lte(int on);

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#define AUXIO_LED_ON	1

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#define AUXIO_LED_OFF	0

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/* auxio_set_led - Set system front panel LED

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 *

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 * on - AUXIO_LED_ON or AUXIO_LED_OFF

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 */

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void auxio_set_led(int on);

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#endif /* ifndef __ASSEMBLY__ */

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#endif /* !(_SPARC64_AUXIO_H) */

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