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bus.h	7.13 KB	0644	Edit Rename Delete
clcd-regs.h	2.4 KB	0644	Edit Rename Delete
clcd.h	6.81 KB	0644	Edit Rename Delete
kmi.h	2.22 KB	0644	Edit Rename Delete
mmci.h	1022 B	0644	Edit Rename Delete
pl022.h	7.74 KB	0644	Edit Rename Delete
pl080.h	7.4 KB	0644	Edit Rename Delete
pl08x.h	4.34 KB	0644	Edit Rename Delete
pl093.h	2.03 KB	0644	Edit Rename Delete
serial.h	9.04 KB	0644	Edit Rename Delete
sp810.h	1.49 KB	0644	Edit Rename Delete

Edit File:kmi.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  linux/include/asm-arm/hardware/amba_kmi.h
 *
 *  Internal header file for AMBA KMI ports
 *
 *  Copyright (C) 2000 Deep Blue Solutions Ltd.
 *
 * ---------------------------------------------------------------------------
 *  From ARM PrimeCell(tm) PS2 Keyboard/Mouse Interface (PL050) Technical
 *  Reference Manual - ARM DDI 0143B - see http://www.arm.com/
 * ---------------------------------------------------------------------------
 */
#ifndef ASM_ARM_HARDWARE_AMBA_KMI_H
#define ASM_ARM_HARDWARE_AMBA_KMI_H

/*
 * KMI control register:
 *  KMICR_TYPE       0 = PS2/AT mode, 1 = No line control bit mode
 *  KMICR_RXINTREN   1 = enable RX interrupts
 *  KMICR_TXINTREN   1 = enable TX interrupts
 *  KMICR_EN         1 = enable KMI
 *  KMICR_FD         1 = force KMI data low
 *  KMICR_FC         1 = force KMI clock low
 */
#define KMICR		(KMI_BASE + 0x00)
#define KMICR_TYPE		(1 << 5)
#define KMICR_RXINTREN		(1 << 4)
#define KMICR_TXINTREN		(1 << 3)
#define KMICR_EN		(1 << 2)
#define KMICR_FD		(1 << 1)
#define KMICR_FC		(1 << 0)

/*
 * KMI status register:
 *  KMISTAT_TXEMPTY  1 = transmitter register empty
 *  KMISTAT_TXBUSY   1 = currently sending data
 *  KMISTAT_RXFULL   1 = receiver register ready to be read
 *  KMISTAT_RXBUSY   1 = currently receiving data
 *  KMISTAT_RXPARITY parity of last databyte received
 *  KMISTAT_IC       current level of KMI clock input
 *  KMISTAT_ID       current level of KMI data input
 */
#define KMISTAT		(KMI_BASE + 0x04)
#define KMISTAT_TXEMPTY		(1 << 6)
#define KMISTAT_TXBUSY		(1 << 5)
#define KMISTAT_RXFULL		(1 << 4)
#define KMISTAT_RXBUSY		(1 << 3)
#define KMISTAT_RXPARITY	(1 << 2)
#define KMISTAT_IC		(1 << 1)
#define KMISTAT_ID		(1 << 0)

/*
 * KMI data register
 */
#define KMIDATA		(KMI_BASE + 0x08)

/*
 * KMI clock divisor: to generate 8MHz internal clock
 *  div = (ref / 8MHz) - 1; 0 <= div <= 15
 */
#define KMICLKDIV	(KMI_BASE + 0x0c)

/*
 * KMI interrupt register:
 *  KMIIR_TXINTR     1 = transmit interrupt asserted
 *  KMIIR_RXINTR     1 = receive interrupt asserted
 */
#define KMIIR		(KMI_BASE + 0x10)
#define KMIIR_TXINTR		(1 << 1)
#define KMIIR_RXINTR		(1 << 0)

/*
 * The size of the KMI primecell
 */
#define KMI_SIZE	(0x100)

#endif

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current directory: / / usr / src / linux-headers-5.15.0-140 / include / linux / amba

Edit File:kmi.h