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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/input/serio/i8042-snirm.h
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#ifndef _I8042_SNIRM_H

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#define _I8042_SNIRM_H

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#include <asm/sni.h>

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/*

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 * This program is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 as published by

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 * the Free Software Foundation.

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 */

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/*

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 * Names.

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 */

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#define I8042_KBD_PHYS_DESC "onboard/serio0"

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#define I8042_AUX_PHYS_DESC "onboard/serio1"

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#define I8042_MUX_PHYS_DESC "onboard/serio%d"

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/*

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 * IRQs.

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 */

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static int i8042_kbd_irq;

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static int i8042_aux_irq;

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#define I8042_KBD_IRQ i8042_kbd_irq

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#define I8042_AUX_IRQ i8042_aux_irq

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static void __iomem *kbd_iobase;

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#define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)

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#define I8042_DATA_REG		(kbd_iobase + 0x60UL)

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static inline int i8042_read_data(void)

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{

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	return readb(kbd_iobase + 0x60UL);

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}

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static inline int i8042_read_status(void)

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{

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	return readb(kbd_iobase + 0x64UL);

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}

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static inline void i8042_write_data(int val)

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{

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	writeb(val, kbd_iobase + 0x60UL);

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}

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static inline void i8042_write_command(int val)

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{

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	writeb(val, kbd_iobase + 0x64UL);

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}

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static inline int i8042_platform_init(void)

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{

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	/* RM200 is strange ... */

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	if (sni_brd_type == SNI_BRD_RM200) {

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		kbd_iobase = ioremap(0x16000000, 4);

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		i8042_kbd_irq = 33;

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		i8042_aux_irq = 44;

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	} else {

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		kbd_iobase = ioremap(0x14000000, 4);

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		i8042_kbd_irq = 1;

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		i8042_aux_irq = 12;

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	}

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	if (!kbd_iobase)

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		return -ENOMEM;

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	return 0;

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}

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static inline void i8042_platform_exit(void)

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{

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}

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#endif /* _I8042_SNIRM_H */

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