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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: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Thomas Bogendoerfer 2008-03-12 14:58:16 -04:00 committed by Dmitry Torokhov
parent 2a2dcd65e2
commit f178244712
2 changed files with 77 additions and 0 deletions
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75
drivers/input/serio/i8042-snirm.h Normal file
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@ -0,0 +1,75 @@
#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 */

2
drivers/input/serio/i8042.h
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@ -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)