[PATCHSET] PC-9800 sub-arch (4/29) apm

From: Osamu Tomita (tomita@cinet.co.jp)
Date: Sun Jan 19 2003 - 01:36:02 EST


This is patchset to support NEC PC-9800 subarchitecture
against 2.5.59 (4/29).

APM support for PC98. Including PC98's BIOS bug fix.

diff -Nru linux/arch/i386/kernel/apm.c linux98/arch/i386/kernel/apm.c
--- linux/arch/i386/kernel/apm.c 2003-01-09 13:03:50.000000000 +0900
+++ linux98/arch/i386/kernel/apm.c 2003-01-10 10:06:15.000000000 +0900
@@ -227,6 +227,8 @@
 
 #include <linux/sysrq.h>
 
+#include "io_ports.h"
+
 extern rwlock_t xtime_lock;
 extern spinlock_t i8253_lock;
 extern unsigned long get_cmos_time(void);
@@ -623,6 +625,9 @@
         __asm__ __volatile__(APM_DO_ZERO_SEGS
                 "pushl %%edi\n\t"
                 "pushl %%ebp\n\t"
+#ifdef CONFIG_X86_PC9800
+ "pushfl\n\t"
+#endif
                 "lcall *%%cs:apm_bios_entry\n\t"
                 "setc %%al\n\t"
                 "popl %%ebp\n\t"
@@ -684,6 +689,9 @@
                 __asm__ __volatile__(APM_DO_ZERO_SEGS
                         "pushl %%edi\n\t"
                         "pushl %%ebp\n\t"
+#ifdef CONFIG_X86_PC9800
+ "pushfl\n\t"
+#endif
                         "lcall *%%cs:apm_bios_entry\n\t"
                         "setc %%bl\n\t"
                         "popl %%ebp\n\t"
@@ -724,7 +732,7 @@
 
         if (apm_bios_call_simple(APM_FUNC_VERSION, 0, *val, &eax))
                 return (eax >> 8) & 0xff;
- *val = eax;
+ *val = pc98 ? ((eax & 0xff00) | ((eax & 0x00f0) >> 4)) : eax;
         return APM_SUCCESS;
 }
 
@@ -1237,11 +1245,11 @@
 {
 #ifdef INIT_TIMER_AFTER_SUSPEND
         /* set the clock to 100 Hz */
- outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */
+ outb_p(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
         udelay(10);
- outb_p(LATCH & 0xff , 0x40); /* LSB */
+ outb_p(LATCH & 0xff, PIT_CH0); /* LSB */
         udelay(10);
- outb(LATCH >> 8 , 0x40); /* MSB */
+ outb(LATCH >> 8, PIT_CH0); /* MSB */
         udelay(10);
 #endif
 }
diff -Nru linux/include/linux/apm_bios.h linux98/include/linux/apm_bios.h
--- linux/include/linux/apm_bios.h 2003-01-02 12:22:18.000000000 +0900
+++ linux98/include/linux/apm_bios.h 2003-01-04 13:20:28.000000000 +0900
@@ -20,6 +20,7 @@
 typedef unsigned short apm_eventinfo_t;
 
 #ifdef __KERNEL__
+#include <linux/config.h>
 
 #define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8)
 #define APM_CS_16 (APM_CS + 8)
@@ -60,6 +61,7 @@
 /*
  * The APM function codes
  */
+#ifndef CONFIG_X86_PC9800
 #define APM_FUNC_INST_CHECK 0x5300
 #define APM_FUNC_REAL_CONN 0x5301
 #define APM_FUNC_16BIT_CONN 0x5302
@@ -80,6 +82,28 @@
 #define APM_FUNC_RESUME_TIMER 0x5311
 #define APM_FUNC_RESUME_ON_RING 0x5312
 #define APM_FUNC_TIMER 0x5313
+#else
+#define APM_FUNC_INST_CHECK 0x9a00
+#define APM_FUNC_REAL_CONN 0x9a01
+#define APM_FUNC_16BIT_CONN 0x9a02
+#define APM_FUNC_32BIT_CONN 0x9a03
+#define APM_FUNC_DISCONN 0x9a04
+#define APM_FUNC_IDLE 0x9a05
+#define APM_FUNC_BUSY 0x9a06
+#define APM_FUNC_SET_STATE 0x9a07
+#define APM_FUNC_ENABLE_PM 0x9a08
+#define APM_FUNC_RESTORE_BIOS 0x9a09
+#define APM_FUNC_GET_STATUS 0x9a3a
+#define APM_FUNC_GET_EVENT 0x9a0b
+#define APM_FUNC_GET_STATE 0x9a0c
+#define APM_FUNC_ENABLE_DEV_PM 0x9a0d
+#define APM_FUNC_VERSION 0x9a3e
+#define APM_FUNC_ENGAGE_PM 0x9a3f
+#define APM_FUNC_GET_CAP 0x9a10
+#define APM_FUNC_RESUME_TIMER 0x9a11
+#define APM_FUNC_RESUME_ON_RING 0x9a12
+#define APM_FUNC_TIMER 0x9a13
+#endif
 
 /*
  * Function code for APM_FUNC_RESUME_TIMER
-
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