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Diffstat (limited to 'recipes-kernel/linux/linux-yocto-3.14/h3600/0007-power-add-driver-for-battery-reading-on-iPaq-h3xxx.patch')
-rw-r--r--recipes-kernel/linux/linux-yocto-3.14/h3600/0007-power-add-driver-for-battery-reading-on-iPaq-h3xxx.patch350
1 files changed, 0 insertions, 350 deletions
diff --git a/recipes-kernel/linux/linux-yocto-3.14/h3600/0007-power-add-driver-for-battery-reading-on-iPaq-h3xxx.patch b/recipes-kernel/linux/linux-yocto-3.14/h3600/0007-power-add-driver-for-battery-reading-on-iPaq-h3xxx.patch
deleted file mode 100644
index fb34e62..0000000
--- a/recipes-kernel/linux/linux-yocto-3.14/h3600/0007-power-add-driver-for-battery-reading-on-iPaq-h3xxx.patch
+++ /dev/null
@@ -1,350 +0,0 @@
-From e6d787e84661a0bc3992fcf1d0c77075ca9b3b90 Mon Sep 17 00:00:00 2001
-From: Dmitry Artamonow <mad_soft@inbox.ru>
-Date: Sat, 21 Mar 2009 16:28:50 +0300
-Subject: [PATCH 7/7] power: add driver for battery reading on iPaq h3xxx
-
-This adds a driver for reading the battery status of the
-battery connected to the Atmel microcontroller on the
-iPAQ h3xxx series.
-
-Based on a driver from handhelds.org 2.6.21 kernel, written
-by Alessandro GARDICH.
-
-Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
-Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
----
- drivers/power/Kconfig | 7 +
- drivers/power/Makefile | 1 +
- drivers/power/ipaq_micro_battery.c | 290 +++++++++++++++++++++++++++++++++++++
- 3 files changed, 298 insertions(+)
- create mode 100644 drivers/power/ipaq_micro_battery.c
-
-diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
-index ba6975123071..73cfcdf28a36 100644
---- a/drivers/power/Kconfig
-+++ b/drivers/power/Kconfig
-@@ -137,6 +137,13 @@ config BATTERY_COLLIE
- Say Y to enable support for the battery on the Sharp Zaurus
- SL-5500 (collie) models.
-
-+config BATTERY_IPAQ_MICRO
-+ tristate "iPAQ Atmel Micro ASIC battery driver"
-+ depends on MFD_IPAQ_MICRO
-+ help
-+ Choose this option if you want to monitor battery status on
-+ Compaq/HP iPAQ h3100 and h3600.
-+
- config BATTERY_WM97XX
- bool "WM97xx generic battery driver"
- depends on TOUCHSCREEN_WM97XX=y
-diff --git a/drivers/power/Makefile b/drivers/power/Makefile
-index ee54a3e4c90a..dfa894273926 100644
---- a/drivers/power/Makefile
-+++ b/drivers/power/Makefile
-@@ -25,6 +25,7 @@ obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o
- obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o
- obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o
- obj-$(CONFIG_BATTERY_COLLIE) += collie_battery.o
-+obj-$(CONFIG_BATTERY_IPAQ_MICRO) += ipaq_micro_battery.o
- obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o
- obj-$(CONFIG_BATTERY_SBS) += sbs-battery.o
- obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o
-diff --git a/drivers/power/ipaq_micro_battery.c b/drivers/power/ipaq_micro_battery.c
-new file mode 100644
-index 000000000000..f875137e4d9c
---- /dev/null
-+++ b/drivers/power/ipaq_micro_battery.c
-@@ -0,0 +1,290 @@
-+/*
-+ * 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.
-+ *
-+ * h3xxx atmel micro companion support, battery subdevice
-+ * based on previous kernel 2.4 version
-+ * Author : Alessandro Gardich <gremlin@gremlin.it>
-+ * Author : Linus Walleij <linus.walleij@linaro.org>
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
-+#include <linux/mfd/ipaq-micro.h>
-+#include <linux/power_supply.h>
-+#include <linux/workqueue.h>
-+
-+#define BATT_PERIOD 100000 /* 10 seconds in milliseconds */
-+
-+#define MICRO_BATT_CHEM_ALKALINE 0x01
-+#define MICRO_BATT_CHEM_NICD 0x02
-+#define MICRO_BATT_CHEM_NIMH 0x03
-+#define MICRO_BATT_CHEM_LION 0x04
-+#define MICRO_BATT_CHEM_LIPOLY 0x05
-+#define MICRO_BATT_CHEM_NOT_INSTALLED 0x06
-+#define MICRO_BATT_CHEM_UNKNOWN 0xff
-+
-+#define MICRO_BATT_STATUS_HIGH 0x01
-+#define MICRO_BATT_STATUS_LOW 0x02
-+#define MICRO_BATT_STATUS_CRITICAL 0x04
-+#define MICRO_BATT_STATUS_CHARGING 0x08
-+#define MICRO_BATT_STATUS_CHARGEMAIN 0x10
-+#define MICRO_BATT_STATUS_DEAD 0x20 /* Battery will not charge */
-+#define MICRO_BATT_STATUS_NOTINSTALLED 0x20 /* For expansion pack batteries */
-+#define MICRO_BATT_STATUS_FULL 0x40 /* Battery fully charged */
-+#define MICRO_BATT_STATUS_NOBATTERY 0x80
-+#define MICRO_BATT_STATUS_UNKNOWN 0xff
-+
-+struct micro_battery {
-+ struct ipaq_micro *micro;
-+ struct workqueue_struct *wq;
-+ struct delayed_work update;
-+ u8 ac;
-+ u8 chemistry;
-+ unsigned int voltage;
-+ u16 temperature;
-+ u8 flag;
-+};
-+
-+static void micro_battery_work(struct work_struct *work)
-+{
-+ struct micro_battery *mb = container_of(work,
-+ struct micro_battery, update.work);
-+ struct ipaq_micro_msg msg_battery = {
-+ .id = MSG_BATTERY,
-+ };
-+ struct ipaq_micro_msg msg_sensor = {
-+ .id = MSG_THERMAL_SENSOR,
-+ };
-+
-+ /* First send battery message */
-+ ipaq_micro_tx_msg_sync(mb->micro, &msg_battery);
-+ if (msg_battery.rx_len < 4)
-+ pr_info("ERROR");
-+
-+ /*
-+ * Returned message format:
-+ * byte 0: 0x00 = Not plugged in
-+ * 0x01 = AC adapter plugged in
-+ * byte 1: chemistry
-+ * byte 2: voltage LSB
-+ * byte 3: voltage MSB
-+ * byte 4: flags
-+ * byte 5-9: same for battery 2
-+ */
-+ mb->ac = msg_battery.rx_data[0];
-+ mb->chemistry = msg_battery.rx_data[1];
-+ mb->voltage = ((((unsigned short)msg_battery.rx_data[3] << 8) +
-+ msg_battery.rx_data[2]) * 5000L) * 1000 / 1024;
-+ mb->flag = msg_battery.rx_data[4];
-+
-+ if (msg_battery.rx_len == 9)
-+ pr_debug("second battery ignored\n");
-+
-+ /* Then read the sensor */
-+ ipaq_micro_tx_msg_sync(mb->micro, &msg_sensor);
-+ mb->temperature = msg_sensor.rx_data[1] << 8 | msg_sensor.rx_data[0];
-+
-+ queue_delayed_work(mb->wq, &mb->update, msecs_to_jiffies(BATT_PERIOD));
-+}
-+
-+static int get_capacity(struct power_supply *b)
-+{
-+ struct micro_battery *mb = dev_get_drvdata(b->dev->parent);
-+
-+ switch (mb->flag & 0x07) {
-+ case MICRO_BATT_STATUS_HIGH:
-+ return 100;
-+ break;
-+ case MICRO_BATT_STATUS_LOW:
-+ return 50;
-+ break;
-+ case MICRO_BATT_STATUS_CRITICAL:
-+ return 5;
-+ break;
-+ default:
-+ break;
-+ }
-+ return 0;
-+}
-+
-+static int get_status(struct power_supply *b)
-+{
-+ struct micro_battery *mb = dev_get_drvdata(b->dev->parent);
-+
-+ if (mb->flag == MICRO_BATT_STATUS_UNKNOWN)
-+ return POWER_SUPPLY_STATUS_UNKNOWN;
-+
-+ if (mb->flag & MICRO_BATT_STATUS_FULL)
-+ return POWER_SUPPLY_STATUS_FULL;
-+
-+ if ((mb->flag & MICRO_BATT_STATUS_CHARGING) ||
-+ (mb->flag & MICRO_BATT_STATUS_CHARGEMAIN))
-+ return POWER_SUPPLY_STATUS_CHARGING;
-+
-+ return POWER_SUPPLY_STATUS_DISCHARGING;
-+}
-+
-+static int micro_batt_get_property(struct power_supply *b,
-+ enum power_supply_property psp,
-+ union power_supply_propval *val)
-+{
-+ struct micro_battery *mb = dev_get_drvdata(b->dev->parent);
-+
-+ switch (psp) {
-+ case POWER_SUPPLY_PROP_TECHNOLOGY:
-+ switch (mb->chemistry) {
-+ case MICRO_BATT_CHEM_NICD:
-+ val->intval = POWER_SUPPLY_TECHNOLOGY_NiCd;
-+ break;
-+ case MICRO_BATT_CHEM_NIMH:
-+ val->intval = POWER_SUPPLY_TECHNOLOGY_NiMH;
-+ break;
-+ case MICRO_BATT_CHEM_LION:
-+ val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
-+ break;
-+ case MICRO_BATT_CHEM_LIPOLY:
-+ val->intval = POWER_SUPPLY_TECHNOLOGY_LIPO;
-+ break;
-+ default:
-+ val->intval = POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
-+ break;
-+ };
-+ break;
-+ case POWER_SUPPLY_PROP_STATUS:
-+ val->intval = get_status(b);
-+ break;
-+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
-+ val->intval = 4700000;
-+ break;
-+ case POWER_SUPPLY_PROP_CAPACITY:
-+ val->intval = get_capacity(b);
-+ break;
-+ case POWER_SUPPLY_PROP_TEMP:
-+ val->intval = mb->temperature;
-+ break;
-+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
-+ val->intval = mb->voltage;
-+ break;
-+ default:
-+ return -EINVAL;
-+ };
-+
-+ return 0;
-+}
-+
-+static int micro_ac_get_property(struct power_supply *b,
-+ enum power_supply_property psp,
-+ union power_supply_propval *val)
-+{
-+ struct micro_battery *mb = dev_get_drvdata(b->dev->parent);
-+
-+ switch (psp) {
-+ case POWER_SUPPLY_PROP_ONLINE:
-+ val->intval = mb->ac;
-+ break;
-+ default:
-+ return -EINVAL;
-+ };
-+
-+ return 0;
-+}
-+
-+static enum power_supply_property micro_batt_props[] = {
-+ POWER_SUPPLY_PROP_TECHNOLOGY,
-+ POWER_SUPPLY_PROP_STATUS,
-+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
-+ POWER_SUPPLY_PROP_CAPACITY,
-+ POWER_SUPPLY_PROP_TEMP,
-+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
-+};
-+
-+static struct power_supply micro_battery = {
-+ .name = "main-battery",
-+ .type = POWER_SUPPLY_TYPE_BATTERY,
-+ .properties = micro_batt_props,
-+ .num_properties = ARRAY_SIZE(micro_batt_props),
-+ .get_property = micro_batt_get_property,
-+ .use_for_apm = 1,
-+};
-+
-+static enum power_supply_property micro_ac_props[] = {
-+ POWER_SUPPLY_PROP_ONLINE,
-+};
-+
-+static struct power_supply micro_ac = {
-+ .name = "ac",
-+ .type = POWER_SUPPLY_TYPE_MAINS,
-+ .properties = micro_ac_props,
-+ .num_properties = ARRAY_SIZE(micro_ac_props),
-+ .get_property = micro_ac_get_property,
-+};
-+
-+static int micro_batt_probe(struct platform_device *pdev)
-+{
-+ struct micro_battery *mb;
-+
-+ mb = devm_kzalloc(&pdev->dev, sizeof(*mb), GFP_KERNEL);
-+ if (!mb)
-+ return -ENOMEM;
-+
-+ mb->micro = dev_get_drvdata(pdev->dev.parent);
-+ mb->wq = create_singlethread_workqueue("ipaq-battery-wq");
-+ INIT_DELAYED_WORK(&mb->update, micro_battery_work);
-+ platform_set_drvdata(pdev, mb);
-+ queue_delayed_work(mb->wq, &mb->update, 1);
-+ power_supply_register(&pdev->dev, &micro_battery);
-+ power_supply_register(&pdev->dev, &micro_ac);
-+
-+ dev_info(&pdev->dev, "iPAQ micro battery driver\n");
-+ return 0;
-+}
-+
-+static int micro_batt_remove(struct platform_device *pdev)
-+
-+{
-+ struct micro_battery *mb = platform_get_drvdata(pdev);
-+
-+ power_supply_unregister(&micro_ac);
-+ power_supply_unregister(&micro_battery);
-+ cancel_delayed_work_sync(&mb->update);
-+
-+ return 0;
-+}
-+
-+static int micro_batt_suspend(struct device *dev)
-+{
-+ struct micro_battery *mb = dev_get_drvdata(dev);
-+
-+ cancel_delayed_work_sync(&mb->update);
-+ return 0;
-+}
-+
-+static int micro_batt_resume(struct device *dev)
-+{
-+ struct micro_battery *mb = dev_get_drvdata(dev);
-+
-+ queue_delayed_work(mb->wq, &mb->update, msecs_to_jiffies(BATT_PERIOD));
-+ return 0;
-+}
-+
-+static const struct dev_pm_ops micro_batt_dev_pm_ops = {
-+ SET_SYSTEM_SLEEP_PM_OPS(micro_batt_suspend, micro_batt_resume)
-+};
-+
-+struct platform_driver micro_batt_device_driver = {
-+ .driver = {
-+ .name = "ipaq-micro-battery",
-+ .pm = &micro_batt_dev_pm_ops,
-+ },
-+ .probe = micro_batt_probe,
-+ .remove = micro_batt_remove,
-+};
-+module_platform_driver(micro_batt_device_driver);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_DESCRIPTION("driver for iPAQ Atmel micro battery");
-+MODULE_ALIAS("platform:battery-ipaq-micro");
---
-1.9.0
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-23 13:57:39 +0000