sh: Shuffle the board directories in to mach groups.

This flattens out the board directories in to individual mach groups,
we will use this for getting rid of unneeded directories, simplifying
the build system, and becoming more coherent with the refactored
arch/sh/include topology.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 111 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-hp6xx/hp6xx_apm.c b/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
new file mode 100644
index 0000000..177f4f0
--- /dev/null
+++ b/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
@@ -0,0 +1,111 @@
+/*
+ * bios-less APM driver for hp680
+ *
+ * Copyright 2005 (c) Andriy Skulysh <askulysh@gmail.com>
+ * Copyright 2008 (c) Kristoffer Ericson <kristoffer.ericson@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/apm-emulation.h>
+#include <linux/io.h>
+#include <asm/adc.h>
+#include <asm/hp6xx.h>
+
+/* percentage values */
+#define APM_CRITICAL			10
+#define APM_LOW				30
+
+/* resonably sane values */
+#define HP680_BATTERY_MAX		898
+#define HP680_BATTERY_MIN		486
+#define HP680_BATTERY_AC_ON		1023
+
+#define MODNAME "hp6x0_apm"
+
+#define PGDR	0xa400012c
+
+static void hp6x0_apm_get_power_status(struct apm_power_info *info)
+{
+	int battery, backup, charging, percentage;
+	u8 pgdr;
+
+	battery		= adc_single(ADC_CHANNEL_BATTERY);
+	backup		= adc_single(ADC_CHANNEL_BACKUP);
+	charging	= adc_single(ADC_CHANNEL_CHARGE);
+
+	percentage = 100 * (battery - HP680_BATTERY_MIN) /
+			   (HP680_BATTERY_MAX - HP680_BATTERY_MIN);
+
+	/* % of full battery */
+	info->battery_life = percentage;
+
+	/* We want our estimates in minutes */
+	info->units = 0;
+
+	/* Extremely(!!) rough estimate, we will replace this with a datalist later on */
+	info->time = (2 * battery);
+
+	info->ac_line_status = (battery > HP680_BATTERY_AC_ON) ?
+			 APM_AC_ONLINE : APM_AC_OFFLINE;
+
+	pgdr = ctrl_inb(PGDR);
+	if (pgdr & PGDR_MAIN_BATTERY_OUT) {
+		info->battery_status	= APM_BATTERY_STATUS_NOT_PRESENT;
+		info->battery_flag	= 0x80;
+	} else if (charging < 8) {
+		info->battery_status	= APM_BATTERY_STATUS_CHARGING;
+		info->battery_flag	= 0x08;
+		info->ac_line_status	= 0x01;
+	} else if (percentage <= APM_CRITICAL) {
+		info->battery_status	= APM_BATTERY_STATUS_CRITICAL;
+		info->battery_flag	= 0x04;
+	} else if (percentage <= APM_LOW) {
+		info->battery_status	= APM_BATTERY_STATUS_LOW;
+		info->battery_flag	= 0x02;
+	} else {
+		info->battery_status	= APM_BATTERY_STATUS_HIGH;
+		info->battery_flag	= 0x01;
+	}
+}
+
+static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev)
+{
+	if (!APM_DISABLED)
+		apm_queue_event(APM_USER_SUSPEND);
+
+	return IRQ_HANDLED;
+}
+
+static int __init hp6x0_apm_init(void)
+{
+	int ret;
+
+	ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
+			  IRQF_DISABLED, MODNAME, NULL);
+	if (unlikely(ret < 0)) {
+		printk(KERN_ERR MODNAME ": IRQ %d request failed\n",
+		       HP680_BTN_IRQ);
+		return ret;
+	}
+
+	apm_get_power_status = hp6x0_apm_get_power_status;
+
+	return ret;
+}
+
+static void __exit hp6x0_apm_exit(void)
+{
+	free_irq(HP680_BTN_IRQ, 0);
+}
+
+module_init(hp6x0_apm_init);
+module_exit(hp6x0_apm_exit);
+
+MODULE_AUTHOR("Adriy Skulysh");
+MODULE_DESCRIPTION("hp6xx Advanced Power Management");
+MODULE_LICENSE("GPL");