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authorAnton Altaparmakov <aia21@cantab.net>2006-01-19 16:39:33 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-01-19 16:39:33 +0000
commit944d79559d154c12becde0dab327016cf438f46c (patch)
tree50c101806f4d3b6585222dda060559eb4f3e005a /arch/arm/common
parentd087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (diff)
parent0f36b018b2e314d45af86449f1a97facb1fbe300 (diff)
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'arch/arm/common')
-rw-r--r--arch/arm/common/Kconfig10
-rw-r--r--arch/arm/common/Makefile3
-rw-r--r--arch/arm/common/amba.c359
-rw-r--r--arch/arm/common/locomo.c4
-rw-r--r--arch/arm/common/rtctime.c16
-rw-r--r--arch/arm/common/sa1111.c4
-rw-r--r--arch/arm/common/scoop.c3
-rw-r--r--arch/arm/common/sharpsl_pm.c839
-rw-r--r--arch/arm/common/vic.c92
9 files changed, 956 insertions, 374 deletions
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 666ba393575..5e34ca6d38b 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -1,7 +1,10 @@
-config ICST525
+config ARM_GIC
bool
-config ARM_GIC
+config ARM_VIC
+ bool
+
+config ICST525
bool
config ICST307
@@ -23,5 +26,8 @@ config SHARP_LOCOMO
config SHARP_PARAM
bool
+config SHARPSL_PM
+ bool
+
config SHARP_SCOOP
bool
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index a87886564b1..c81a2ff6b5b 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -3,8 +3,8 @@
#
obj-y += rtctime.o
-obj-$(CONFIG_ARM_AMBA) += amba.o
obj-$(CONFIG_ARM_GIC) += gic.o
+obj-$(CONFIG_ARM_VIC) += vic.o
obj-$(CONFIG_ICST525) += icst525.o
obj-$(CONFIG_ICST307) += icst307.o
obj-$(CONFIG_SA1111) += sa1111.o
@@ -13,4 +13,5 @@ obj-$(CONFIG_DMABOUNCE) += dmabounce.o
obj-$(CONFIG_TIMER_ACORN) += time-acorn.o
obj-$(CONFIG_SHARP_LOCOMO) += locomo.o
obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o
+obj-$(CONFIG_SHARPSL_PM) += sharpsl_pm.o
obj-$(CONFIG_SHARP_SCOOP) += scoop.o
diff --git a/arch/arm/common/amba.c b/arch/arm/common/amba.c
deleted file mode 100644
index e1013112c35..00000000000
--- a/arch/arm/common/amba.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
- * linux/arch/arm/common/amba.c
- *
- * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
- *
- * 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.
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/hardware/amba.h>
-#include <asm/sizes.h>
-
-#define to_amba_device(d) container_of(d, struct amba_device, dev)
-#define to_amba_driver(d) container_of(d, struct amba_driver, drv)
-
-static struct amba_id *
-amba_lookup(struct amba_id *table, struct amba_device *dev)
-{
- int ret = 0;
-
- while (table->mask) {
- ret = (dev->periphid & table->mask) == table->id;
- if (ret)
- break;
- table++;
- }
-
- return ret ? table : NULL;
-}
-
-static int amba_match(struct device *dev, struct device_driver *drv)
-{
- struct amba_device *pcdev = to_amba_device(dev);
- struct amba_driver *pcdrv = to_amba_driver(drv);
-
- return amba_lookup(pcdrv->id_table, pcdev) != NULL;
-}
-
-#ifdef CONFIG_HOTPLUG
-static int amba_hotplug(struct device *dev, char **envp, int nr_env, char *buf, int bufsz)
-{
- struct amba_device *pcdev = to_amba_device(dev);
-
- if (nr_env < 2)
- return -ENOMEM;
-
- snprintf(buf, bufsz, "AMBA_ID=%08x", pcdev->periphid);
- *envp++ = buf;
- *envp++ = NULL;
- return 0;
-}
-#else
-#define amba_hotplug NULL
-#endif
-
-static int amba_suspend(struct device *dev, pm_message_t state)
-{
- struct amba_driver *drv = to_amba_driver(dev->driver);
- int ret = 0;
-
- if (dev->driver && drv->suspend)
- ret = drv->suspend(to_amba_device(dev), state);
- return ret;
-}
-
-static int amba_resume(struct device *dev)
-{
- struct amba_driver *drv = to_amba_driver(dev->driver);
- int ret = 0;
-
- if (dev->driver && drv->resume)
- ret = drv->resume(to_amba_device(dev));
- return ret;
-}
-
-/*
- * Primecells are part of the Advanced Microcontroller Bus Architecture,
- * so we call the bus "amba".
- */
-static struct bus_type amba_bustype = {
- .name = "amba",
- .match = amba_match,
- .hotplug = amba_hotplug,
- .suspend = amba_suspend,
- .resume = amba_resume,
-};
-
-static int __init amba_init(void)
-{
- return bus_register(&amba_bustype);
-}
-
-postcore_initcall(amba_init);
-
-/*
- * These are the device model conversion veneers; they convert the
- * device model structures to our more specific structures.
- */
-static int amba_probe(struct device *dev)
-{
- struct amba_device *pcdev = to_amba_device(dev);
- struct amba_driver *pcdrv = to_amba_driver(dev->driver);
- struct amba_id *id;
-
- id = amba_lookup(pcdrv->id_table, pcdev);
-
- return pcdrv->probe(pcdev, id);
-}
-
-static int amba_remove(struct device *dev)
-{
- struct amba_driver *drv = to_amba_driver(dev->driver);
- return drv->remove(to_amba_device(dev));
-}
-
-static void amba_shutdown(struct device *dev)
-{
- struct amba_driver *drv = to_amba_driver(dev->driver);
- drv->shutdown(to_amba_device(dev));
-}
-
-/**
- * amba_driver_register - register an AMBA device driver
- * @drv: amba device driver structure
- *
- * Register an AMBA device driver with the Linux device model
- * core. If devices pre-exist, the drivers probe function will
- * be called.
- */
-int amba_driver_register(struct amba_driver *drv)
-{
- drv->drv.bus = &amba_bustype;
-
-#define SETFN(fn) if (drv->fn) drv->drv.fn = amba_##fn
- SETFN(probe);
- SETFN(remove);
- SETFN(shutdown);
-
- return driver_register(&drv->drv);
-}
-
-/**
- * amba_driver_unregister - remove an AMBA device driver
- * @drv: AMBA device driver structure to remove
- *
- * Unregister an AMBA device driver from the Linux device
- * model. The device model will call the drivers remove function
- * for each device the device driver is currently handling.
- */
-void amba_driver_unregister(struct amba_driver *drv)
-{
- driver_unregister(&drv->drv);
-}
-
-
-static void amba_device_release(struct device *dev)
-{
- struct amba_device *d = to_amba_device(dev);
-
- if (d->res.parent)
- release_resource(&d->res);
- kfree(d);
-}
-
-#define amba_attr(name,fmt,arg...) \
-static ssize_t show_##name(struct device *_dev, struct device_attribute *attr, char *buf) \
-{ \
- struct amba_device *dev = to_amba_device(_dev); \
- return sprintf(buf, fmt, arg); \
-} \
-static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
-
-amba_attr(id, "%08x\n", dev->periphid);
-amba_attr(irq0, "%u\n", dev->irq[0]);
-amba_attr(irq1, "%u\n", dev->irq[1]);
-amba_attr(resource, "\t%08lx\t%08lx\t%08lx\n",
- dev->res.start, dev->res.end, dev->res.flags);
-
-/**
- * amba_device_register - register an AMBA device
- * @dev: AMBA device to register
- * @parent: parent memory resource
- *
- * Setup the AMBA device, reading the cell ID if present.
- * Claim the resource, and register the AMBA device with
- * the Linux device manager.
- */
-int amba_device_register(struct amba_device *dev, struct resource *parent)
-{
- u32 pid, cid;
- void __iomem *tmp;
- int i, ret;
-
- dev->dev.release = amba_device_release;
- dev->dev.bus = &amba_bustype;
- dev->dev.dma_mask = &dev->dma_mask;
- dev->res.name = dev->dev.bus_id;
-
- if (!dev->dev.coherent_dma_mask && dev->dma_mask)
- dev_warn(&dev->dev, "coherent dma mask is unset\n");
-
- ret = request_resource(parent, &dev->res);
- if (ret == 0) {
- tmp = ioremap(dev->res.start, SZ_4K);
- if (!tmp) {
- ret = -ENOMEM;
- goto out;
- }
-
- for (pid = 0, i = 0; i < 4; i++)
- pid |= (readl(tmp + 0xfe0 + 4 * i) & 255) << (i * 8);
- for (cid = 0, i = 0; i < 4; i++)
- cid |= (readl(tmp + 0xff0 + 4 * i) & 255) << (i * 8);
-
- iounmap(tmp);
-
- if (cid == 0xb105f00d)
- dev->periphid = pid;
-
- if (dev->periphid)
- ret = device_register(&dev->dev);
- else
- ret = -ENODEV;
-
- if (ret == 0) {
- device_create_file(&dev->dev, &dev_attr_id);
- if (dev->irq[0] != NO_IRQ)
- device_create_file(&dev->dev, &dev_attr_irq0);
- if (dev->irq[1] != NO_IRQ)
- device_create_file(&dev->dev, &dev_attr_irq1);
- device_create_file(&dev->dev, &dev_attr_resource);
- } else {
- out:
- release_resource(&dev->res);
- }
- }
- return ret;
-}
-
-/**
- * amba_device_unregister - unregister an AMBA device
- * @dev: AMBA device to remove
- *
- * Remove the specified AMBA device from the Linux device
- * manager. All files associated with this object will be
- * destroyed, and device drivers notified that the device has
- * been removed. The AMBA device's resources including
- * the amba_device structure will be freed once all
- * references to it have been dropped.
- */
-void amba_device_unregister(struct amba_device *dev)
-{
- device_unregister(&dev->dev);
-}
-
-
-struct find_data {
- struct amba_device *dev;
- struct device *parent;
- const char *busid;
- unsigned int id;
- unsigned int mask;
-};
-
-static int amba_find_match(struct device *dev, void *data)
-{
- struct find_data *d = data;
- struct amba_device *pcdev = to_amba_device(dev);
- int r;
-
- r = (pcdev->periphid & d->mask) == d->id;
- if (d->parent)
- r &= d->parent == dev->parent;
- if (d->busid)
- r &= strcmp(dev->bus_id, d->busid) == 0;
-
- if (r) {
- get_device(dev);
- d->dev = pcdev;
- }
-
- return r;
-}
-
-/**
- * amba_find_device - locate an AMBA device given a bus id
- * @busid: bus id for device (or NULL)
- * @parent: parent device (or NULL)
- * @id: peripheral ID (or 0)
- * @mask: peripheral ID mask (or 0)
- *
- * Return the AMBA device corresponding to the supplied parameters.
- * If no device matches, returns NULL.
- *
- * NOTE: When a valid device is found, its refcount is
- * incremented, and must be decremented before the returned
- * reference.
- */
-struct amba_device *
-amba_find_device(const char *busid, struct device *parent, unsigned int id,
- unsigned int mask)
-{
- struct find_data data;
-
- data.dev = NULL;
- data.parent = parent;
- data.busid = busid;
- data.id = id;
- data.mask = mask;
-
- bus_for_each_dev(&amba_bustype, NULL, &data, amba_find_match);
-
- return data.dev;
-}
-
-/**
- * amba_request_regions - request all mem regions associated with device
- * @dev: amba_device structure for device
- * @name: name, or NULL to use driver name
- */
-int amba_request_regions(struct amba_device *dev, const char *name)
-{
- int ret = 0;
-
- if (!name)
- name = dev->dev.driver->name;
-
- if (!request_mem_region(dev->res.start, SZ_4K, name))
- ret = -EBUSY;
-
- return ret;
-}
-
-/**
- * amba_release_regions - release mem regions assoicated with device
- * @dev: amba_device structure for device
- *
- * Release regions claimed by a successful call to amba_request_regions.
- */
-void amba_release_regions(struct amba_device *dev)
-{
- release_mem_region(dev->res.start, SZ_4K);
-}
-
-EXPORT_SYMBOL(amba_driver_register);
-EXPORT_SYMBOL(amba_driver_unregister);
-EXPORT_SYMBOL(amba_device_register);
-EXPORT_SYMBOL(amba_device_unregister);
-EXPORT_SYMBOL(amba_find_device);
-EXPORT_SYMBOL(amba_request_regions);
-EXPORT_SYMBOL(amba_release_regions);
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 1b7eaab02b9..159ad7ed7a4 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -1103,14 +1103,14 @@ static int locomo_bus_remove(struct device *dev)
struct bus_type locomo_bus_type = {
.name = "locomo-bus",
.match = locomo_match,
+ .probe = locomo_bus_probe,
+ .remove = locomo_bus_remove,
.suspend = locomo_bus_suspend,
.resume = locomo_bus_resume,
};
int locomo_driver_register(struct locomo_driver *driver)
{
- driver->drv.probe = locomo_bus_probe;
- driver->drv.remove = locomo_bus_remove;
driver->drv.bus = &locomo_bus_type;
return driver_register(&driver->drv);
}
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
index 72b03f201eb..48b1e19b131 100644
--- a/arch/arm/common/rtctime.c
+++ b/arch/arm/common/rtctime.c
@@ -17,7 +17,9 @@
#include <linux/proc_fs.h>
#include <linux/miscdevice.h>
#include <linux/spinlock.h>
+#include <linux/capability.h>
#include <linux/device.h>
+#include <linux/mutex.h>
#include <asm/rtc.h>
#include <asm/semaphore.h>
@@ -34,7 +36,7 @@ static unsigned long rtc_irq_data;
/*
* rtc_sem protects rtc_inuse and rtc_ops
*/
-static DECLARE_MUTEX(rtc_sem);
+static DEFINE_MUTEX(rtc_mutex);
static unsigned long rtc_inuse;
static struct rtc_ops *rtc_ops;
@@ -355,7 +357,7 @@ static int rtc_open(struct inode *inode, struct file *file)
{
int ret;
- down(&rtc_sem);
+ mutex_lock(&rtc_mutex);
if (rtc_inuse) {
ret = -EBUSY;
@@ -373,7 +375,7 @@ static int rtc_open(struct inode *inode, struct file *file)
rtc_inuse = 1;
}
}
- up(&rtc_sem);
+ mutex_unlock(&rtc_mutex);
return ret;
}
@@ -479,7 +481,7 @@ int register_rtc(struct rtc_ops *ops)
{
int ret = -EBUSY;
- down(&rtc_sem);
+ mutex_lock(&rtc_mutex);
if (rtc_ops == NULL) {
rtc_ops = ops;
@@ -488,7 +490,7 @@ int register_rtc(struct rtc_ops *ops)
create_proc_read_entry("driver/rtc", 0, NULL,
rtc_read_proc, ops);
}
- up(&rtc_sem);
+ mutex_unlock(&rtc_mutex);
return ret;
}
@@ -496,12 +498,12 @@ EXPORT_SYMBOL(register_rtc);
void unregister_rtc(struct rtc_ops *rtc)
{
- down(&rtc_sem);
+ mutex_lock(&rtc_mutex);
if (rtc == rtc_ops) {
remove_proc_entry("driver/rtc", NULL);
misc_deregister(&rtc_miscdev);
rtc_ops = NULL;
}
- up(&rtc_sem);
+ mutex_unlock(&rtc_mutex);
}
EXPORT_SYMBOL(unregister_rtc);
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index d0d6e6d2d64..1475089f9b4 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -1247,14 +1247,14 @@ static int sa1111_bus_remove(struct device *dev)
struct bus_type sa1111_bus_type = {
.name = "sa1111-rab",
.match = sa1111_match,
+ .probe = sa1111_bus_probe,
+ .remove = sa1111_bus_remove,
.suspend = sa1111_bus_suspend,
.resume = sa1111_bus_resume,
};
int sa1111_driver_register(struct sa1111_driver *driver)
{
- driver->drv.probe = sa1111_bus_probe;
- driver->drv.remove = sa1111_bus_remove;
driver->drv.bus = &sa1111_bus_type;
return driver_register(&driver->drv);
}
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index 0c3cbd9a388..a2dfe0b0f1e 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/string.h>
+#include <linux/slab.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/hardware/scoop.h>
@@ -33,7 +34,6 @@ void reset_scoop(struct device *dev)
SCOOP_REG(sdev->base,SCOOP_MCR) = 0x0100; // 00
SCOOP_REG(sdev->base,SCOOP_CDR) = 0x0000; // 04
- SCOOP_REG(sdev->base,SCOOP_CPR) = 0x0000; // 0C
SCOOP_REG(sdev->base,SCOOP_CCR) = 0x0000; // 10
SCOOP_REG(sdev->base,SCOOP_IMR) = 0x0000; // 18
SCOOP_REG(sdev->base,SCOOP_IRM) = 0x00FF; // 14
@@ -154,6 +154,7 @@ int __init scoop_probe(struct platform_device *pdev)
SCOOP_REG(devptr->base, SCOOP_MCR) = 0x0140;
reset_scoop(&pdev->dev);
+ SCOOP_REG(devptr->base, SCOOP_CPR) = 0x0000;
SCOOP_REG(devptr->base, SCOOP_GPCR) = inf->io_dir & 0xffff;
SCOOP_REG(devptr->base, SCOOP_GPWR) = inf->io_out & 0xffff;
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
new file mode 100644
index 00000000000..978d32e82d3
--- /dev/null
+++ b/arch/arm/common/sharpsl_pm.c
@@ -0,0 +1,839 @@
+/*
+ * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
+ * series of PDAs
+ *
+ * Copyright (c) 2004-2005 Richard Purdie
+ *
+ * Based on code written by Sharp for 2.4 kernels
+ *
+ * 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.
+ *
+ */
+
+#undef DEBUG
+
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/apm_bios.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/apm.h>
+#include <asm/arch/pm.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/sharpsl.h>
+#include <asm/hardware/sharpsl_pm.h>
+
+/*
+ * Constants
+ */
+#define SHARPSL_CHARGE_ON_TIME_INTERVAL (msecs_to_jiffies(1*60*1000)) /* 1 min */
+#define SHARPSL_CHARGE_FINISH_TIME (msecs_to_jiffies(10*60*1000)) /* 10 min */
+#define SHARPSL_BATCHK_TIME (msecs_to_jiffies(15*1000)) /* 15 sec */
+#define SHARPSL_BATCHK_TIME_SUSPEND (60*10) /* 10 min */
+#define SHARPSL_WAIT_CO_TIME 15 /* 15 sec */
+#define SHARPSL_WAIT_DISCHARGE_ON 100 /* 100 msec */
+#define SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP 10 /* 10 msec */
+#define SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT 10 /* 10 msec */
+#define SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN 10 /* 10 msec */
+#define SHARPSL_CHARGE_WAIT_TIME 15 /* 15 msec */
+#define SHARPSL_CHARGE_CO_CHECK_TIME 5 /* 5 msec */
+#define SHARPSL_CHARGE_RETRY_CNT 1 /* eqv. 10 min */
+
+#define SHARPSL_CHARGE_ON_VOLT 0x99 /* 2.9V */
+#define SHARPSL_CHARGE_ON_TEMP 0xe0 /* 2.9V */
+#define SHARPSL_CHARGE_ON_ACIN_HIGH 0x9b /* 6V */
+#define SHARPSL_CHARGE_ON_ACIN_LOW 0x34 /* 2V */
+#define SHARPSL_FATAL_ACIN_VOLT 182 /* 3.45V */
+#define SHARPSL_FATAL_NOACIN_VOLT 170 /* 3.40V */
+
+/*
+ * Prototypes
+ */
+static int sharpsl_off_charge_battery(void);
+static int sharpsl_check_battery_temp(void);
+static int sharpsl_check_battery_voltage(void);
+static int sharpsl_ac_check(void);
+static int sharpsl_fatal_check(void);
+static int sharpsl_average_value(int ad);
+static void sharpsl_average_clear(void);
+static void sharpsl_charge_toggle(void *private_);
+static void sharpsl_battery_thread(void *private_);
+
+
+/*
+ * Variables
+ */
+struct sharpsl_pm_status sharpsl_pm;
+DECLARE_WORK(toggle_charger, sharpsl_charge_toggle, NULL);
+DECLARE_WORK(sharpsl_bat, sharpsl_battery_thread, NULL);
+
+
+static int get_percentage(int voltage)
+{
+ int i = sharpsl_pm.machinfo->bat_levels - 1;
+ struct battery_thresh *thresh;
+
+ if (sharpsl_pm.charge_mode == CHRG_ON)
+ thresh=sharpsl_pm.machinfo->bat_levels_acin;
+ else
+ thresh=sharpsl_pm.machinfo->bat_levels_noac;
+
+ while (i > 0 && (voltage > thresh[i].voltage))
+ i--;
+
+ return thresh[i].percentage;
+}
+
+static int get_apm_status(int voltage)
+{
+ int low_thresh, high_thresh;
+
+ if (sharpsl_pm.charge_mode == CHRG_ON) {
+ high_thresh = sharpsl_pm.machinfo->status_high_acin;
+ low_thresh = sharpsl_pm.machinfo->status_low_acin;
+ } else {
+ high_thresh = sharpsl_pm.machinfo->status_high_noac;
+ low_thresh = sharpsl_pm.machinfo->status_low_noac;
+ }
+
+ if (voltage >= high_thresh)
+ return APM_BATTERY_STATUS_HIGH;
+ if (voltage >= low_thresh)
+ return APM_BATTERY_STATUS_LOW;
+ return APM_BATTERY_STATUS_CRITICAL;
+}
+
+void sharpsl_battery_kick(void)
+{
+ schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125));
+}
+EXPORT_SYMBOL(sharpsl_battery_kick);
+
+
+static void sharpsl_battery_thread(void *private_)
+{
+ int voltage, percent, apm_status, i = 0;
+
+ if (!sharpsl_pm.machinfo)
+ return;
+
+ sharpsl_pm.battstat.ac_status = (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN) ? APM_AC_ONLINE : APM_AC_OFFLINE);
+
+ /* Corgi cannot confirm when battery fully charged so periodically kick! */
+ if (machine_is_corgi() && (sharpsl_pm.charge_mode == CHRG_ON)
+ && time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_ON_TIME_INTERVAL))
+ schedule_work(&toggle_charger);
+
+ while(1) {
+ voltage = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
+
+ if (voltage > 0) break;
+ if (i++ > 5) {
+ voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage;
+ dev_warn(sharpsl_pm.dev, "Warning: Cannot read main battery!\n");
+ break;
+ }
+ }
+
+ voltage = sharpsl_average_value(voltage);
+ apm_status = get_apm_status(voltage);
+ percent = get_percentage(voltage);
+
+ /* At low battery voltages, the voltage has a tendency to start
+ creeping back up so we try to avoid this here */
+ if ((sharpsl_pm.battstat.ac_status == APM_AC_ONLINE) || (apm_status == APM_BATTERY_STATUS_HIGH) || percent <= sharpsl_pm.battstat.mainbat_percent) {
+ sharpsl_pm.battstat.mainbat_voltage = voltage;
+ sharpsl_pm.battstat.mainbat_status = apm_status;
+ sharpsl_pm.battstat.mainbat_percent = percent;
+ }
+
+ dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %d\n", voltage,
+ sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies);
+
+ /* If battery is low. limit backlight intensity to save power. */
+ if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
+ && ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW) ||
+ (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL))) {
+ if (!(sharpsl_pm.flags & SHARPSL_BL_LIMIT)) {
+ corgibl_limit_intensity(1);
+ sharpsl_pm.flags |= SHARPSL_BL_LIMIT;
+ }
+ } else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) {
+ corgibl_limit_intensity(0);
+ sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
+ }
+
+ /* Suspend if critical battery level */
+ if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
+ && (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL)
+ && !(sharpsl_pm.flags & SHARPSL_APM_QUEUED)) {
+ sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
+ dev_err(sharpsl_pm.dev, "Fatal Off\n");
+ apm_queue_event(APM_CRITICAL_SUSPEND);
+ }
+
+ schedule_delayed_work(&sharpsl_bat, SHARPSL_BATCHK_TIME);
+}
+
+void sharpsl_pm_led(int val)
+{
+ if (val == SHARPSL_LED_ERROR) {
+ dev_err(sharpsl_pm.dev, "Charging Error!\n");
+ } else if (val == SHARPSL_LED_ON) {
+ dev_dbg(sharpsl_pm.dev, "Charge LED On\n");
+
+ } else {
+ dev_dbg(sharpsl_pm.dev, "Charge LED Off\n");
+
+ }
+}
+
+static void sharpsl_charge_on(void)
+{
+ dev_dbg(sharpsl_pm.dev, "Turning Charger On\n");
+
+ sharpsl_pm.full_count = 0;
+ sharpsl_pm.charge_mode = CHRG_ON;
+ schedule_delayed_work(&toggle_charger, msecs_to_jiffies(250));
+ schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(500));
+}
+
+static void sharpsl_charge_off(void)
+{
+ dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n");
+
+ sharpsl_pm.machinfo->charge(0);
+ sharpsl_pm_led(SHARPSL_LED_OFF);
+ sharpsl_pm.charge_mode = CHRG_OFF;
+
+ schedule_work(&sharpsl_bat);
+}
+
+static void sharpsl_charge_error(void)
+{
+ sharpsl_pm_led(SHARPSL_LED_ERROR);
+ sharpsl_pm.machinfo->charge(0);
+ sharpsl_pm.charge_mode = CHRG_ERROR;
+}
+
+static void sharpsl_charge_toggle(void *private_)
+{
+ dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
+
+ if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
+ sharpsl_charge_off();
+ return;
+ } else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
+ sharpsl_charge_error();
+ return;
+ }
+
+ sharpsl_pm_led(SHARPSL_LED_ON);
+ sharpsl_pm.machinfo->charge(0);
+ mdelay(SHARPSL_CHARGE_WAIT_TIME);
+ sharpsl_pm.machinfo->charge(1);
+
+ sharpsl_pm.charge_start_time = jiffies;
+}
+
+static void sharpsl_ac_timer(unsigned long data)
+{
+ int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
+
+ dev_dbg(sharpsl_pm.dev, "AC Status: %d\n",acin);
+
+ sharpsl_average_clear();
+ if (acin && (sharpsl_pm.charge_mode != CHRG_ON))
+ sharpsl_charge_on();
+ else if (sharpsl_pm.charge_mode == CHRG_ON)
+ sharpsl_charge_off();
+
+ schedule_work(&sharpsl_bat);
+}
+
+
+irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp)
+{
+ /* Delay the event slightly to debounce */
+ /* Must be a smaller delay than the chrg_full_isr below */
+ mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
+
+ return IRQ_HANDLED;
+}
+
+static void sharpsl_chrg_full_timer(unsigned long data)
+{
+ dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies);
+
+ sharpsl_pm.full_count++;
+
+ if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
+ dev_dbg(sharpsl_pm.dev, "Charge Full: AC removed - stop charging!\n");
+ if (sharpsl_pm.charge_mode == CHRG_ON)
+ sharpsl_charge_off();
+ } else if (sharpsl_pm.full_count < 2) {
+ dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n");
+ schedule_work(&toggle_charger);
+ } else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) {
+ dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n");
+ schedule_work(&toggle_charger);
+ } else {
+ sharpsl_charge_off();
+ sharpsl_pm.charge_mode = CHRG_DONE;
+ dev_dbg(sharpsl_pm.dev, "Charge Full: Charging Finished\n");
+ }
+}
+
+/* Charging Finished Interrupt (Not present on Corgi) */
+/* Can trigger at the same time as an AC staus change so
+ delay until after that has been processed */
+irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp)
+{
+ if (sharpsl_pm.flags & SHARPSL_SUSPENDED)
+ return IRQ_HANDLED;
+
+ /* delay until after any ac interrupt */
+ mod_timer(&sharpsl_pm.chrg_full_timer, jiffies + msecs_to_jiffies(500));
+
+ return IRQ_HANDLED;
+}
+
+irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp)
+{
+ int is_fatal = 0;
+
+ if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) {
+ dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n");
+ is_fatal = 1;
+ }
+
+ if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_FATAL)) {
+ dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n");
+ is_fatal = 1;
+ }
+
+ if (!(sharpsl_pm.flags & SHARPSL_APM_QUEUED) && is_fatal) {
+ sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
+ apm_queue_event(APM_CRITICAL_SUSPEND);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Maintain an average of the last 10 readings
+ */
+#define SHARPSL_CNV_VALUE_NUM 10
+static int sharpsl_ad_index;
+
+static void sharpsl_average_clear(void)
+{
+ sharpsl_ad_index = 0;
+}
+
+static int sharpsl_average_value(int ad)
+{
+ int i, ad_val = 0;
+ static int sharpsl_ad[SHARPSL_CNV_VALUE_NUM+1];
+
+ if (sharpsl_pm.battstat.mainbat_status != APM_BATTERY_STATUS_HIGH) {
+ sharpsl_ad_index = 0;
+ return ad;
+ }
+
+ sharpsl_ad[sharpsl_ad_index] = ad;
+ sharpsl_ad_index++;
+ if (sharpsl_ad_index >= SHARPSL_CNV_VALUE_NUM) {
+ for (i=0; i < (SHARPSL_CNV_VALUE_NUM-1); i++)
+ sharpsl_ad[i] = sharpsl_ad[i+1];
+ sharpsl_ad_index = SHARPSL_CNV_VALUE_NUM - 1;
+ }
+ for (i=0; i < sharpsl_ad_index; i++)
+ ad_val += sharpsl_ad[i];
+
+ return (ad_val / sharpsl_ad_index);
+}
+
+/*
+ * Take an array of 5 integers, remove the maximum and minimum values
+ * and return the average.
+ */
+static int get_select_val(int *val)
+{
+ int i, j, k, temp, sum = 0;
+
+ /* Find MAX val */
+ temp = val[0];
+ j=0;
+ for (i=1; i<5; i++) {
+ if (temp < val[i]) {
+ temp = val[i];
+ j = i;
+ }
+ }
+
+ /* Find MIN val */
+ temp = val[4];
+ k=4;
+ for (i=3; i>=0; i--) {
+ if (temp > val[i]) {
+ temp = val[i];
+ k = i;
+ }
+ }
+
+ for (i=0; i<5; i++)
+ if (i != j && i != k )
+ sum += val[i];
+
+ dev_dbg(sharpsl_pm.dev, "Average: %d from values: %d, %d, %d, %d, %d\n", sum/3, val[0], val[1], val[2], val[3], val[4]);
+
+ return (sum/3);
+}
+
+static int sharpsl_check_battery_temp(void)
+{
+ int val, i, buff[5];
+
+ /* Check battery temperature */
+ for (i=0; i<5; i++) {
+ mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
+ sharpsl_pm.machinfo->measure_temp(1);
+ mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
+ buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_TEMP);
+ sharpsl_pm.machinfo->measure_temp(0);
+ }
+
+ val = get_select_val(buff);
+
+ dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
+ if (val > SHARPSL_CHARGE_ON_TEMP)
+ return -1;
+
+ return 0;
+}
+
+static int sharpsl_check_battery_voltage(void)
+{
+ int val, i, buff[5];
+
+ /* disable charge, enable discharge */
+ sharpsl_pm.machinfo->charge(0);
+ sharpsl_pm.machinfo->discharge(1);
+ mdelay(SHARPSL_WAIT_DISCHARGE_ON);
+
+ if (sharpsl_pm.machinfo->discharge1)
+ sharpsl_pm.machinfo->discharge1(1);
+
+ /* Check battery voltage */
+ for (i=0; i<5; i++) {
+ buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
+ mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
+ }
+
+ if (sharpsl_pm.machinfo->discharge1)
+ sharpsl_pm.machinfo->discharge1(0);
+
+ sharpsl_pm.machinfo->discharge(0);
+
+ val = get_select_val(buff);
+ dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val);
+
+ if (val < SHARPSL_CHARGE_ON_VOLT)
+ return -1;
+
+ return 0;
+}
+
+static int sharpsl_ac_check(void)
+{
+ int temp, i, buff[5];
+
+ for (i=0; i<5; i++) {
+ buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_ACIN_VOLT);
+ mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN);
+ }
+
+ temp = get_select_val(buff);
+ dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n",temp);
+
+ if ((temp > SHARPSL_CHARGE_ON_ACIN_HIGH) || (temp < SHARPSL_CHARGE_ON_ACIN_LOW)) {
+ dev_err(sharpsl_pm.dev, "Error: AC check failed.\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ sharpsl_pm.flags |= SHARPSL_SUSPENDED;
+ flush_scheduled_work();
+
+ if (sharpsl_pm.charge_mode == CHRG_ON)
+ sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
+ else
+ sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
+
+ return 0;
+}
+
+static int sharpsl_pm_resume(struct platform_device *pdev)
+{
+ /* Clear the reset source indicators as they break the bootloader upon reboot */
+ RCSR = 0x0f;
+ sharpsl_average_clear();
+ sharpsl_pm.flags &= ~SHARPSL_APM_QUEUED;
+ sharpsl_pm.flags &= ~SHARPSL_SUSPENDED;
+
+ return 0;
+}
+
+static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
+{
+ dev_dbg(sharpsl_pm.dev, "Time is: %08x\n",RCNR);
+
+ dev_dbg(sharpsl_pm.dev, "Offline Charge Activate = %d\n",sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG);
+ /* not charging and AC-IN! */
+
+ if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN))) {
+ dev_dbg(sharpsl_pm.dev, "Activating Offline Charger...\n");
+ sharpsl_pm.charge_mode = CHRG_OFF;
+ sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
+ sharpsl_off_charge_battery();
+ }
+
+ sharpsl_pm.machinfo->presuspend();
+
+ PEDR = 0xffffffff; /* clear it */
+
+ sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
+ if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
+ RTSR &= RTSR_ALE;
+ RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
+ dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n",RTAR);
+ sharpsl_pm.flags |= SHARPSL_ALARM_ACTIVE;
+ } else if (alarm_enable) {
+ RTSR &= RTSR_ALE;
+ RTAR = alarm_time;
+ dev_dbg(sharpsl_pm.dev, "User alarm at: %08x\n",RTAR);
+ } else {
+ dev_dbg(sharpsl_pm.dev, "No alarms set.\n");
+ }
+
+ pxa_pm_enter(state);
+
+ sharpsl_pm.machinfo->postsuspend();
+
+ dev_dbg(sharpsl_pm.dev, "Corgi woken up from suspend: %08x\n",PEDR);
+}
+
+static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
+{
+ if (!sharpsl_pm.machinfo->should_wakeup(!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE) && alarm_enable) )
+ {
+ if (!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE)) {
+ dev_dbg(sharpsl_pm.dev, "No user triggered wakeup events and not charging. Strange. Suspend.\n");
+ corgi_goto_sleep(alarm_time, alarm_enable, state);
+ return 1;
+ }
+ if(sharpsl_off_charge_battery()) {
+ dev_dbg(sharpsl_pm.dev, "Charging. Suspend...\n");
+ corgi_goto_sleep(alarm_time, alarm_enable, state);
+ return 1;
+ }
+ dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n");
+ }
+
+ if ((!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) || (sharpsl_fatal_check() < 0) )
+ {
+ dev_err(sharpsl_pm.dev, "Fatal condition. Suspend.\n");
+ corgi_goto_sleep(alarm_time, alarm_enable, state);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int corgi_pxa_pm_enter(suspend_state_t state)
+{
+ unsigned long alarm_time = RTAR;
+ unsigned int alarm_status = ((RTSR & RTSR_ALE) != 0);
+
+ dev_dbg(sharpsl_pm.dev, "SharpSL suspending for first time.\n");
+
+ corgi_goto_sleep(alarm_time, alarm_status, state);
+
+ while (corgi_enter_suspend(alarm_time,alarm_status,state))
+ {}
+
+ dev_dbg(sharpsl_pm.dev, "SharpSL resuming...\n");
+
+ return 0;
+}
+#endif
+
+
+/*
+ * Check for fatal battery errors
+ * Fatal returns -1
+ */
+static int sharpsl_fatal_check(void)
+{
+ int buff[5], temp, i, acin;
+
+ dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n");
+
+ /* Check AC-Adapter */
+ acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
+
+ if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
+ sharpsl_pm.machinfo->charge(0);
+ udelay(100);
+ sharpsl_pm.machinfo->discharge(1); /* enable discharge */
+ mdelay(SHARPSL_WAIT_DISCHARGE_ON);
+ }
+
+ if (sharpsl_pm.machinfo->discharge1)
+ sharpsl_pm.machinfo->discharge1(1);
+
+ /* Check battery : check inserting battery ? */
+ for (i=0; i<5; i++) {
+ buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
+ mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
+ }
+
+ if (sharpsl_pm.machinfo->discharge1)
+ sharpsl_pm.machinfo->discharge1(0);
+
+ if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
+ udelay(100);
+ sharpsl_pm.machinfo->charge(1);
+ sharpsl_pm.machinfo->discharge(0);
+ }
+
+ temp = get_select_val(buff);
+ dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %d\n", acin, temp, sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT));
+
+ if ((acin && (temp < SHARPSL_FATAL_ACIN_VOLT)) ||
+ (!acin && (temp < SHARPSL_FATAL_NOACIN_VOLT)))
+ return -1;
+ return 0;
+}
+
+static int sharpsl_off_charge_error(void)
+{
+ dev_err(sharpsl_pm.dev, "Offline Charger: Error occured.\n");
+ sharpsl_pm.machinfo->charge(0);
+ sharpsl_pm_led(SHARPSL_LED_ERROR);
+ sharpsl_pm.charge_mode = CHRG_ERROR;
+ return 1;
+}
+
+/*
+ * Charging Control while suspended
+ * Return 1 - go straight to sleep
+ * Return 0 - sleep or wakeup depending on other factors
+ */
+static int sharpsl_off_charge_battery(void)
+{
+ int time;
+
+ dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode);
+
+ if (sharpsl_pm.charge_mode == CHRG_OFF) {
+ dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n");
+
+ /* AC Check */
+ if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
+ return sharpsl_off_charge_error();
+
+ /* Start Charging */
+ sharpsl_pm_led(SHARPSL_LED_ON);
+ sharpsl_pm.machinfo->charge(0);
+ mdelay(SHARPSL_CHARGE_WAIT_TIME);
+ sharpsl_pm.machinfo->charge(1);
+
+ sharpsl_pm.charge_mode = CHRG_ON;
+ sharpsl_pm.full_count = 0;
+
+ return 1;
+ } else if (sharpsl_pm.charge_mode != CHRG_ON) {
+ return 1;
+ }
+
+ if (sharpsl_pm.full_count == 0) {
+ int time;
+
+ dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n");
+
+ if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))
+ return sharpsl_off_charge_error();
+
+ sharpsl_pm.machinfo->charge(0);
+ mdelay(SHARPSL_CHARGE_WAIT_TIME);
+ sharpsl_pm.machinfo->charge(1);
+ sharpsl_pm.charge_mode = CHRG_ON;
+
+ mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
+
+ time = RCNR;
+ while(1) {
+ /* Check if any wakeup event had occured */
+ if (sharpsl_pm.machinfo->charger_wakeup() != 0)
+ return 0;
+ /* Check for timeout */
+ if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
+ return 1;
+ if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) {
+ dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occured. Retrying to check\n");
+ sharpsl_pm.full_count++;
+ sharpsl_pm.machinfo->charge(0);
+ mdelay(SHARPSL_CHARGE_WAIT_TIME);
+ sharpsl_pm.machinfo->charge(1);
+ return 1;
+ }
+ }
+ }
+
+ dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n");
+
+ mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
+
+ time = RCNR;
+ while(1) {
+ /* Check if any wakeup event had occured */
+ if (sharpsl_pm.machinfo->charger_wakeup() != 0)
+ return 0;
+ /* Check for timeout */
+ if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) {
+ if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) {
+ dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n");
+ sharpsl_pm.full_count = 0;
+ }
+ sharpsl_pm.full_count++;
+ return 1;
+ }
+ if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) {
+ dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
+ sharpsl_pm_led(SHARPSL_LED_OFF);
+ sharpsl_pm.machinfo->charge(0);
+ sharpsl_pm.charge_mode = CHRG_DONE;
+ return 1;
+ }
+ }
+}
+
+
+static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_percent);
+}
+
+static ssize_t battery_voltage_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_voltage);
+}
+
+static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL);
+static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL);
+
+extern void (*apm_get_power_status)(struct apm_power_info *);
+
+static void sharpsl_apm_get_power_status(struct apm_power_info *info)
+{
+ info->ac_line_status = sharpsl_pm.battstat.ac_status;
+
+ if (sharpsl_pm.charge_mode == CHRG_ON)
+ info->battery_status = APM_BATTERY_STATUS_CHARGING;
+ else
+ info->battery_status = sharpsl_pm.battstat.mainbat_status;
+
+ info->battery_flag = (1 << info->battery_status);
+ info->battery_life = sharpsl_pm.battstat.mainbat_percent;
+}
+
+static struct pm_ops sharpsl_pm_ops = {
+ .pm_disk_mode = PM_DISK_FIRMWARE,
+ .prepare = pxa_pm_prepare,
+ .enter = corgi_pxa_pm_enter,
+ .finish = pxa_pm_finish,
+};
+
+static int __init sharpsl_pm_probe(struct platform_device *pdev)
+{
+ if (!pdev->dev.platform_data)
+ return -EINVAL;
+
+ sharpsl_pm.dev = &pdev->dev;
+ sharpsl_pm.machinfo = pdev->dev.platform_data;
+ sharpsl_pm.charge_mode = CHRG_OFF;
+ sharpsl_pm.flags = 0;
+
+ init_timer(&sharpsl_pm.ac_timer);
+ sharpsl_pm.ac_timer.function = sharpsl_ac_timer;
+
+ init_timer(&sharpsl_pm.chrg_full_timer);
+ sharpsl_pm.chrg_full_timer.function = sharpsl_chrg_full_timer;
+
+ sharpsl_pm.machinfo->init();
+
+ device_create_file(&pdev->dev, &dev_attr_battery_percentage);
+ device_create_file(&pdev->dev, &dev_attr_battery_voltage);
+
+ apm_get_power_status = sharpsl_apm_get_power_status;
+
+ pm_set_ops(&sharpsl_pm_ops);
+
+ mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
+
+ return 0;
+}
+
+static int sharpsl_pm_remove(struct platform_device *pdev)
+{
+ pm_set_ops(NULL);
+
+ device_remove_file(&pdev->dev, &dev_attr_battery_percentage);
+ device_remove_file(&pdev->dev, &dev_attr_battery_voltage);
+
+ sharpsl_pm.machinfo->exit();
+
+ del_timer_sync(&sharpsl_pm.chrg_full_timer);
+ del_timer_sync(&sharpsl_pm.ac_timer);
+
+ return 0;
+}
+
+static struct platform_driver sharpsl_pm_driver = {
+ .probe = sharpsl_pm_probe,
+ .remove = sharpsl_pm_remove,
+ .suspend = sharpsl_pm_suspend,
+ .resume = sharpsl_pm_resume,
+ .driver = {
+ .name = "sharpsl-pm",
+ },
+};
+
+static int __devinit sharpsl_pm_init(void)
+{
+ return platform_driver_register(&sharpsl_pm_driver);
+}
+
+static void sharpsl_pm_exit(void)
+{
+ platform_driver_unregister(&sharpsl_pm_driver);
+}
+
+late_initcall(sharpsl_pm_init);
+module_exit(sharpsl_pm_exit);
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
new file mode 100644
index 00000000000..a45ed1687a5
--- /dev/null
+++ b/arch/arm/common/vic.c
@@ -0,0 +1,92 @@
+/*
+ * linux/arch/arm/common/vic.c
+ *
+ * Copyright (C) 1999 - 2003 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/list.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach/irq.h>
+#include <asm/hardware/vic.h>
+
+static void __iomem *vic_base;
+
+static void vic_mask_irq(unsigned int irq)
+{
+ irq -= IRQ_VIC_START;
+ writel(1 << irq, vic_base + VIC_INT_ENABLE_CLEAR);
+}
+
+static void vic_unmask_irq(unsigned int irq)
+{
+ irq -= IRQ_VIC_START;
+ writel(1 << irq, vic_base + VIC_INT_ENABLE);
+}
+
+static struct irqchip vic_chip = {
+ .ack = vic_mask_irq,
+ .mask = vic_mask_irq,
+ .unmask = vic_unmask_irq,
+};
+
+void __init vic_init(void __iomem *base, u32 vic_sources)
+{
+ unsigned int i;
+
+ vic_base = base;
+
+ /* Disable all interrupts initially. */
+
+ writel(0, vic_base + VIC_INT_SELECT);
+ writel(0, vic_base + VIC_INT_ENABLE);
+ writel(~0, vic_base + VIC_INT_ENABLE_CLEAR);
+ writel(0, vic_base + VIC_IRQ_STATUS);
+ writel(0, vic_base + VIC_ITCR);
+ writel(~0, vic_base + VIC_INT_SOFT_CLEAR);
+
+ /*
+ * Make sure we clear all existing interrupts
+ */
+ writel(0, vic_base + VIC_VECT_ADDR);
+ for (i = 0; i < 19; i++) {
+ unsigned int value;
+
+ value = readl(vic_base + VIC_VECT_ADDR);
+ writel(value, vic_base + VIC_VECT_ADDR);
+ }
+
+ for (i = 0; i < 16; i++) {
+ void __iomem *reg = vic_base + VIC_VECT_CNTL0 + (i * 4);
+ writel(VIC_VECT_CNTL_ENABLE | i, reg);
+ }
+
+ writel(32, vic_base + VIC_DEF_VECT_ADDR);
+
+ for (i = 0; i < 32; i++) {
+ unsigned int irq = IRQ_VIC_START + i;
+
+ set_irq_chip(irq, &vic_chip);
+
+ if (vic_sources & (1 << i)) {
+ set_irq_handler(irq, do_level_IRQ);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+ }
+}