sh: APM/PM support.

This adds some simple PM stubs and the basic APM interfaces,
primarily for use by hp6xx, where the existing userland
expects it.

Signed-off-by: Andriy Skulysh <askulysh@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

7 files changed, 151 insertions, 3 deletions

diff --git a/include/asm-sh/apm.h b/include/asm-sh/apm.h
new file mode 100644
index 0000000..8b091e9
--- /dev/null
+++ b/include/asm-sh/apm.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2006 (c) Andriy Skulysh <askulysh@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+
+#ifndef __ASM_SH_APM_H
+#define __ASM_SH_APM_H
+
+#define APM_AC_OFFLINE			0
+#define APM_AC_ONLINE			1
+#define APM_AC_BACKUP			2
+#define APM_AC_UNKNOWN			0xff
+
+#define APM_BATTERY_STATUS_HIGH		0
+#define APM_BATTERY_STATUS_LOW		1
+#define APM_BATTERY_STATUS_CRITICAL	2
+#define APM_BATTERY_STATUS_CHARGING	3
+#define APM_BATTERY_STATUS_NOT_PRESENT	4
+#define APM_BATTERY_STATUS_UNKNOWN	0xff
+
+#define APM_BATTERY_LIFE_UNKNOWN	0xFFFF
+#define APM_BATTERY_LIFE_MINUTES	0x8000
+#define APM_BATTERY_LIFE_VALUE_MASK	0x7FFF
+
+#define APM_BATTERY_FLAG_HIGH		(1 << 0)
+#define APM_BATTERY_FLAG_LOW		(1 << 1)
+#define APM_BATTERY_FLAG_CRITICAL	(1 << 2)
+#define APM_BATTERY_FLAG_CHARGING	(1 << 3)
+#define APM_BATTERY_FLAG_NOT_PRESENT	(1 << 7)
+#define APM_BATTERY_FLAG_UNKNOWN	0xff
+
+#define APM_UNITS_MINS			0
+#define APM_UNITS_SECS			1
+#define APM_UNITS_UNKNOWN		-1
+
+
+extern int (*apm_get_info)(char *buf, char **start, off_t fpos, int length);
+extern int apm_suspended;
+
+void apm_queue_event(apm_event_t event);
+
+#endif
diff --git a/include/asm-sh/cpu-sh3/freq.h b/include/asm-sh/cpu-sh3/freq.h
index b61b6e3..273f322 100644
--- a/include/asm-sh/cpu-sh3/freq.h
+++ b/include/asm-sh/cpu-sh3/freq.h
@@ -18,5 +18,9 @@
 #define MIN_DIVISOR_NR		0
 #define MAX_DIVISOR_NR		4
 
+#define FRQCR_CKOEN	0x0100
+#define FRQCR_PLLEN	0x0080
+#define FRQCR_PSTBY	0x0040
+
 #endif /* __ASM_CPU_SH3_FREQ_H */
 
diff --git a/include/asm-sh/hd64461.h b/include/asm-sh/hd64461.h
index 0f2e213..27e5c34 100644
--- a/include/asm-sh/hd64461.h
+++ b/include/asm-sh/hd64461.h
@@ -40,7 +40,12 @@
 #define HD64461_LCDCBAR		0x11000
 #define HD64461_LCDCLOR		0x11002
 #define HD64461_LCDCCR		0x11004
-#define HD64461_LCDCCR_MOFF	0x80
+#define HD64461_LCDCCR_STBACK	0x0400
+#define HD64461_LCDCCR_STREQ	0x0100
+#define HD64461_LCDCCR_MOFF	0x0080
+#define HD64461_LCDCCR_REFSEL	0x0040
+#define HD64461_LCDCCR_EPON	0x0020
+#define HD64461_LCDCCR_SPON	0x0010
 
 #define	HD64461_LDR1		0x11010
 #define	HD64461_LDR1_DON	0x01
diff --git a/include/asm-sh/hp6xx/hp6xx.h b/include/asm-sh/hp6xx/hp6xx.h
index a26247f..f35134c 100644
--- a/include/asm-sh/hp6xx/hp6xx.h
+++ b/include/asm-sh/hp6xx/hp6xx.h
@@ -2,16 +2,33 @@
 #define __ASM_SH_HP6XX_H
 
 /*
- * Copyright (C) 2003  Andriy Skulysh
+ * Copyright (C) 2003, 2004, 2005  Andriy Skulysh
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
  */
 
-#define HP680_TS_IRQ IRQ3_IRQ
+#define HP680_BTN_IRQ		IRQ0_IRQ
+#define HP680_TS_IRQ		IRQ3_IRQ
+#define HP680_HD64461_IRQ	IRQ4_IRQ
 
 #define DAC_LCD_BRIGHTNESS	0
 #define DAC_SPEAKER_VOLUME	1
 
+#define PGDR_OPENED		0x01
+#define PGDR_MAIN_BATTERY_OUT	0x04
+#define PGDR_PLAY_BUTTON	0x08
+#define PGDR_REWIND_BUTTON	0x10
+#define PGDR_RECORD_BUTTON	0x20
+
 #define PHDR_TS_PEN_DOWN	0x08
 
+#define PJDR_LED_BLINK		0x02
+
+#define PKDR_LED_GREEN		0x10
+
 #define SCPDR_TS_SCAN_ENABLE	0x20
 #define SCPDR_TS_SCAN_Y		0x02
 #define SCPDR_TS_SCAN_X		0x01
@@ -21,11 +38,43 @@
 
 #define ADC_CHANNEL_TS_Y	1
 #define ADC_CHANNEL_TS_X	2
+#define ADC_CHANNEL_BATTERY	3
+#define ADC_CHANNEL_BACKUP	4
+#define ADC_CHANNEL_CHARGE	5
 
 #define HD64461_GPADR_SPEAKER	0x01
 #define HD64461_GPADR_PCMCIA0	(0x02|0x08)
+
 #define HD64461_GPBDR_LCDOFF	0x01
+#define HD64461_GPBDR_LCD_CONTRAST_MASK	0x78
 #define HD64461_GPBDR_LED_RED	0x80
 
+#include <asm/hd64461.h>
+#include <asm/io.h>
+
+#define PJDR	0xa4000130
+#define PKDR	0xa4000132
+
+static inline void hp6xx_led_red(int on)
+{
+	u16 v16;
+	v16 = ctrl_inw(CONFIG_HD64461_IOBASE + HD64461_GPBDR - 0x10000);
+	if (on)
+	    ctrl_outw(v16 & (~HD64461_GPBDR_LED_RED), CONFIG_HD64461_IOBASE + HD64461_GPBDR - 0x10000);
+	else
+	    ctrl_outw(v16 | HD64461_GPBDR_LED_RED, CONFIG_HD64461_IOBASE + HD64461_GPBDR - 0x10000);
+}
+
+static inline void hp6xx_led_green(int on)
+{
+	u8 v8;
+
+	v8 = ctrl_inb(PKDR);
+	if (on)
+	    ctrl_outb(v8 & (~PKDR_LED_GREEN), PKDR);
+	else
+	    ctrl_outb(v8 | PKDR_LED_GREEN, PKDR);
+}
+
 
 #endif /* __ASM_SH_HP6XX_H */
diff --git a/include/asm-sh/pm.h b/include/asm-sh/pm.h
new file mode 100644
index 0000000..56fdbd6
--- /dev/null
+++ b/include/asm-sh/pm.h
@@ -0,0 +1,17 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright 2006 (c) Andriy Skulysh <askulysh@gmail.com>
+ *
+ */
+#ifndef __ASM_SH_PM_H
+#define __ASM_SH_PM_H
+
+extern u8 wakeup_start;
+extern u8 wakeup_end;
+
+void pm_enter(void);
+
+#endif
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index bd7dc05..477422a 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -172,6 +172,31 @@ static __inline__ void local_irq_disable(void)
 			     : "memory");
 }
 
+static __inline__ void set_bl_bit(void)
+{
+	unsigned long __dummy0, __dummy1;
+
+	__asm__ __volatile__ ("stc	sr, %0\n\t"
+			     "or	%2, %0\n\t"
+			     "and	%3, %0\n\t"
+			     "ldc	%0, sr"
+			     : "=&r" (__dummy0), "=r" (__dummy1)
+			     : "r" (0x10000000), "r" (0xffffff0f)
+			     : "memory");
+}
+
+static __inline__ void clear_bl_bit(void)
+{
+	unsigned long __dummy0, __dummy1;
+
+	__asm__ __volatile__ ("stc	sr, %0\n\t"
+			     "and	%2, %0\n\t"
+			     "ldc	%0, sr"
+			     : "=&r" (__dummy0), "=r" (__dummy1)
+			     : "1" (~0x10000000)
+			     : "memory");
+}
+
 #define local_save_flags(x) \
 	__asm__("stc sr, %0; and #0xf0, %0" : "=&z" (x) :/**/: "memory" )
 
diff --git a/include/asm-sh/timer.h b/include/asm-sh/timer.h
index dd6579c..c7ab280 100644
--- a/include/asm-sh/timer.h
+++ b/include/asm-sh/timer.h
@@ -6,6 +6,8 @@
 
 struct sys_timer_ops {
 	int (*init)(void);
+	int (*start)(void);
+	int (*stop)(void);
 	unsigned long (*get_offset)(void);
 	unsigned long (*get_frequency)(void);
 };