Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f1782447 authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Dmitry Torokhov
Browse files

Input: i8042 - add SNI RM support 



SNI RM200 don't have the i8042 controller connected to the EISA bus,
but have a second address range for onboard devices. This patch handles
the two possible address ranges for the i8042 on SNI RMs.

Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 2a2dcd65

drivers/input/serio/i8042-snirm.h

0 → 100644
+75 −0
Original line number Diff line number Diff line 
#ifndef _I8042_SNIRM_H

#define _I8042_SNIRM_H



#include <asm/sni.h>



/*

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

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

 * the Free Software Foundation.

 */



/*

 * Names.

 */



#define I8042_KBD_PHYS_DESC "onboard/serio0"

#define I8042_AUX_PHYS_DESC "onboard/serio1"

#define I8042_MUX_PHYS_DESC "onboard/serio%d"



/*

 * IRQs.

 */

static int i8042_kbd_irq;

static int i8042_aux_irq;

#define I8042_KBD_IRQ i8042_kbd_irq

#define I8042_AUX_IRQ i8042_aux_irq



static void __iomem *kbd_iobase;



#define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)

#define I8042_DATA_REG		(kbd_iobase + 0x60UL)



static inline int i8042_read_data(void)

{

	return readb(kbd_iobase + 0x60UL);

}



static inline int i8042_read_status(void)

{

	return readb(kbd_iobase + 0x64UL);

}



static inline void i8042_write_data(int val)

{

	writeb(val, kbd_iobase + 0x60UL);

}



static inline void i8042_write_command(int val)

{

	writeb(val, kbd_iobase + 0x64UL);

}

static inline int i8042_platform_init(void)

{

	/* RM200 is strange ... */

	if (sni_brd_type == SNI_BRD_RM200) {

		kbd_iobase = ioremap(0x16000000, 4);

		i8042_kbd_irq = 33;

		i8042_aux_irq = 44;

	} else {

		kbd_iobase = ioremap(0x14000000, 4);

		i8042_kbd_irq = 1;

		i8042_aux_irq = 12;

	}

	if (!kbd_iobase)

		return -ENOMEM;



	return 0;

}



static inline void i8042_platform_exit(void)

{



}



#endif /* _I8042_SNIRM_H */

drivers/input/serio/i8042.h

+2 −0
Original line number Diff line number Diff line
@@ -18,6 +18,8 @@ 
#include "i8042-jazzio.h"

#elif defined(CONFIG_SGI_HAS_I8042)

#include "i8042-ip22io.h"

#elif defined(CONFIG_SNI_RM)

#include "i8042-snirm.h"

#elif defined(CONFIG_PPC)

#include "i8042-ppcio.h"

#elif defined(CONFIG_SPARC)