From 6ea4c6c0f2ae52def12bf2f77edd69e314152eca Mon Sep 17 00:00:00 2001 From: lars Date: Thu, 6 Jan 2011 01:33:19 +0000 Subject: [xburst] Drop support for older kernel versions git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24915 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../linux/xburst/patches-2.6.34/100-battery.patch | 441 --------------------- 1 file changed, 441 deletions(-) delete mode 100644 target/linux/xburst/patches-2.6.34/100-battery.patch (limited to 'target/linux/xburst/patches-2.6.34/100-battery.patch') diff --git a/target/linux/xburst/patches-2.6.34/100-battery.patch b/target/linux/xburst/patches-2.6.34/100-battery.patch deleted file mode 100644 index 3e6a6b959..000000000 --- a/target/linux/xburst/patches-2.6.34/100-battery.patch +++ /dev/null @@ -1,441 +0,0 @@ -From 83f97dcbcc93584a7d7930b6fe06562691bd865a Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen -Date: Sat, 24 Apr 2010 12:28:54 +0200 -Subject: [PATCH] Add jz4740 battery driver - ---- - drivers/power/Kconfig | 11 + - drivers/power/Makefile | 1 + - drivers/power/jz4740-battery.c | 359 ++++++++++++++++++++++++++++++++++ - include/linux/power/jz4740-battery.h | 24 +++ - 4 files changed, 395 insertions(+), 0 deletions(-) - create mode 100644 drivers/power/jz4740-battery.c - create mode 100644 include/linux/power/jz4740-battery.h - -diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig -index faaa9b4..2f4e51f 100644 ---- a/drivers/power/Kconfig -+++ b/drivers/power/Kconfig -@@ -131,4 +131,15 @@ config CHARGER_PCF50633 - help - Say Y to include support for NXP PCF50633 Main Battery Charger. - -+config BATTERY_JZ4740 -+ tristate "Ingenic JZ4720/JZ4740 battery" -+ depends on SOC_JZ4740 -+ depends on JZ4740_ADC -+ help -+ Say Y to enable support for the battery on Ingenic JZ4720/JZ4740 based -+ boards. -+ -+ This driver can be build as a module. If so, the module will be -+ called jz4740-battery. -+ - endif # POWER_SUPPLY -diff --git a/drivers/power/Makefile b/drivers/power/Makefile -index a2ba7c8..3b6b971 100644 ---- a/drivers/power/Makefile -+++ b/drivers/power/Makefile -@@ -32,3 +32,4 @@ obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o - obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o - obj-$(CONFIG_BATTERY_MAX17040) += max17040_battery.o - obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o -+obj-$(CONFIG_BATTERY_JZ4740) += jz4740-battery.o -diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c -new file mode 100644 -index 0000000..c89b9f7 ---- /dev/null -+++ b/drivers/power/jz4740-battery.c -@@ -0,0 +1,359 @@ -+/* -+ * Battery measurement code for Ingenic JZ SOC. -+ * -+ * Copyright (C) 2009 Jiejing Zhang -+ * Copyright (C) 2010, Lars-Peter Clausen -+ * -+ * based on tosa_battery.c -+ * -+ * Copyright (C) 2008 Marek Vasut -+* -+ * 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 -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+#include -+ -+#include -+#include -+ -+struct jz_battery { -+ struct jz_battery_platform_data *pdata; -+ -+ int charge_irq; -+ -+ int status; -+ long voltage; -+ -+ struct power_supply battery; -+ struct delayed_work work; -+}; -+ -+static inline struct jz_battery *psy_to_jz_battery(struct power_supply *psy) -+{ -+ return container_of(psy, struct jz_battery, battery); -+} -+ -+static long jz_battery_read_voltage(struct jz_battery *jz_battery) -+{ -+ struct device *adc = jz_battery->battery.dev->parent->parent; -+ enum jz_adc_battery_scale scale; -+ -+ if (jz_battery->pdata->info.voltage_max_design > 2500000) -+ scale = JZ_ADC_BATTERY_SCALE_7V5; -+ else -+ scale = JZ_ADC_BATTERY_SCALE_2V5; -+ -+ return jz4740_adc_read_battery_voltage(adc, scale); -+} -+ -+static int jz_battery_get_capacity(struct power_supply *psy) -+{ -+ struct jz_battery *jz_battery = psy_to_jz_battery(psy); -+ struct power_supply_info *info = &jz_battery->pdata->info; -+ long voltage; -+ int ret; -+ int voltage_span; -+ -+ voltage = jz_battery_read_voltage(jz_battery); -+ -+ if (voltage < 0) -+ return voltage; -+ -+ voltage_span = info->voltage_max_design - info->voltage_min_design; -+ ret = ((voltage - info->voltage_min_design) * 100) / voltage_span; -+ -+ if (ret > 100) -+ ret = 100; -+ else if (ret < 0) -+ ret = 0; -+ -+ return ret; -+} -+ -+static int jz_battery_get_property(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ struct jz_battery *jz_battery = psy_to_jz_battery(psy); -+ struct power_supply_info *info = &jz_battery->pdata->info; -+ long voltage; -+ -+ switch (psp) { -+ case POWER_SUPPLY_PROP_STATUS: -+ val->intval = jz_battery->status; -+ break; -+ case POWER_SUPPLY_PROP_TECHNOLOGY: -+ val->intval = jz_battery->pdata->info.technology; -+ break; -+ case POWER_SUPPLY_PROP_HEALTH: -+ voltage = jz_battery_read_voltage(jz_battery); -+ if (voltage < info->voltage_min_design) -+ val->intval = POWER_SUPPLY_HEALTH_DEAD; -+ else -+ val->intval = POWER_SUPPLY_HEALTH_GOOD; -+ break; -+ case POWER_SUPPLY_PROP_CAPACITY: -+ val->intval = jz_battery_get_capacity(psy); -+ break; -+ case POWER_SUPPLY_PROP_VOLTAGE_NOW: -+ val->intval = jz_battery_read_voltage(jz_battery); -+ if (val->intval < 0) -+ return val->intval; -+ break; -+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: -+ val->intval = info->voltage_max_design; -+ break; -+ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: -+ val->intval = info->voltage_min_design; -+ break; -+ case POWER_SUPPLY_PROP_PRESENT: -+ val->intval = 1; -+ break; -+ default: -+ return -EINVAL; -+ } -+ return 0; -+} -+ -+static void jz_battery_external_power_changed(struct power_supply *psy) -+{ -+ struct jz_battery *jz_battery = psy_to_jz_battery(psy); -+ -+ cancel_delayed_work(&jz_battery->work); -+ schedule_delayed_work(&jz_battery->work, 0); -+} -+ -+static irqreturn_t jz_battery_charge_irq(int irq, void *data) -+{ -+ struct jz_battery *jz_battery = data; -+ -+ cancel_delayed_work(&jz_battery->work); -+ schedule_delayed_work(&jz_battery->work, 0); -+ -+ return IRQ_HANDLED; -+} -+ -+static void jz_battery_update(struct jz_battery *jz_battery) -+{ -+ int status; -+ long voltage; -+ long voltage_difference; -+ bool has_changed = 0; -+ -+ if (gpio_is_valid(jz_battery->pdata->gpio_charge)) { -+ int is_charging; -+ -+ is_charging = gpio_get_value(jz_battery->pdata->gpio_charge); -+ is_charging ^= jz_battery->pdata->gpio_charge_active_low; -+ if (is_charging) -+ status = POWER_SUPPLY_STATUS_CHARGING; -+ else -+ status = POWER_SUPPLY_STATUS_NOT_CHARGING; -+ -+ if (status != jz_battery->status) { -+ jz_battery->status = status; -+ has_changed = 1; -+ } -+ } -+ -+ voltage = jz_battery_read_voltage(jz_battery); -+ voltage_difference = voltage - jz_battery->voltage; -+ if (voltage_difference > 50000 || voltage_difference < 50000) { -+ jz_battery->voltage = voltage; -+ has_changed = 1; -+ } -+ if (has_changed) -+ power_supply_changed(&jz_battery->battery); -+} -+ -+static enum power_supply_property jz_battery_properties[] = { -+ POWER_SUPPLY_PROP_STATUS, -+ POWER_SUPPLY_PROP_TECHNOLOGY, -+ POWER_SUPPLY_PROP_HEALTH, -+ POWER_SUPPLY_PROP_CAPACITY, -+ POWER_SUPPLY_PROP_VOLTAGE_NOW, -+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, -+ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, -+ POWER_SUPPLY_PROP_PRESENT, -+}; -+ -+static void jz_battery_work(struct work_struct *work) -+{ -+ /* Too small interval will increase system workload */ -+ const int interval = HZ * 30; -+ struct jz_battery *jz_battery = container_of(work, struct jz_battery, -+ work.work); -+ -+ jz_battery_update(jz_battery); -+ schedule_delayed_work(&jz_battery->work, interval); -+} -+ -+static int __devinit jz_battery_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ struct jz_battery_platform_data *pdata = pdev->dev.platform_data; -+ struct jz_battery *jz_battery; -+ struct power_supply *battery; -+ -+ if (!pdev->dev.platform_data) { -+ dev_err(&pdev->dev, "No platform data\n"); -+ return -EINVAL; -+ } -+ -+ jz_battery = kzalloc(sizeof(*jz_battery), GFP_KERNEL); -+ -+ if (!jz_battery) { -+ dev_err(&pdev->dev, "Failed to allocate driver structure\n"); -+ return -ENOMEM; -+ } -+ -+ battery = &jz_battery->battery; -+ battery->name = pdata->info.name; -+ battery->type = POWER_SUPPLY_TYPE_BATTERY; -+ battery->properties = jz_battery_properties; -+ battery->num_properties = ARRAY_SIZE(jz_battery_properties); -+ battery->get_property = jz_battery_get_property; -+ battery->external_power_changed = jz_battery_external_power_changed; -+ battery->use_for_apm = 1; -+ -+ jz_battery->pdata = pdata; -+ -+ INIT_DELAYED_WORK(&jz_battery->work, jz_battery_work); -+ -+ if (gpio_is_valid(pdata->gpio_charge)) { -+ ret = gpio_request(pdata->gpio_charge, dev_name(&pdev->dev)); -+ if (ret) { -+ dev_err(&pdev->dev, "charger state gpio request failed.\n"); -+ goto err_free; -+ } -+ ret = gpio_direction_input(pdata->gpio_charge); -+ if (ret) { -+ dev_err(&pdev->dev, "charger state gpio set direction failed.\n"); -+ goto err_free_gpio; -+ } -+ -+ jz_battery->charge_irq = gpio_to_irq(pdata->gpio_charge); -+ -+ if (jz_battery->charge_irq >= 0) { -+ ret = request_irq(jz_battery->charge_irq, -+ jz_battery_charge_irq, -+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, -+ dev_name(&pdev->dev), jz_battery); -+ if (ret) { -+ dev_err(&pdev->dev, "Failed to request charge irq: %d\n", ret); -+ goto err_free_gpio; -+ } -+ } -+ } else { -+ jz_battery->charge_irq = -1; -+ } -+ -+ -+ ret = power_supply_register(&pdev->dev, &jz_battery->battery); -+ if (ret) { -+ dev_err(&pdev->dev, "power supply battery register failed.\n"); -+ goto err_free_irq; -+ } -+ -+ platform_set_drvdata(pdev, jz_battery); -+ schedule_delayed_work(&jz_battery->work, 0); -+ -+ return 0; -+ -+err_free_irq: -+ if (jz_battery->charge_irq >= 0) -+ free_irq(jz_battery->charge_irq, jz_battery); -+err_free_gpio: -+ if (gpio_is_valid(pdata->gpio_charge)) -+ gpio_free(jz_battery->pdata->gpio_charge); -+err_free: -+ kfree(jz_battery); -+ return ret; -+} -+ -+static int __devexit jz_battery_remove(struct platform_device *pdev) -+{ -+ struct jz_battery *jz_battery = platform_get_drvdata(pdev); -+ -+ cancel_delayed_work_sync(&jz_battery->work); -+ -+ if (gpio_is_valid(jz_battery->pdata->gpio_charge)) { -+ if (jz_battery->charge_irq >= 0) -+ free_irq(jz_battery->charge_irq, jz_battery); -+ gpio_free(jz_battery->pdata->gpio_charge); -+ } -+ -+ power_supply_unregister(&jz_battery->battery); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int jz_battery_suspend(struct device *dev) -+{ -+ struct jz_battery *jz_battery = dev_get_drvdata(dev); -+ -+ cancel_delayed_work_sync(&jz_battery->work); -+ jz_battery->status = POWER_SUPPLY_STATUS_UNKNOWN; -+ -+ return 0; -+} -+ -+static int jz_battery_resume(struct device *dev) -+{ -+ struct jz_battery *jz_battery = dev_get_drvdata(dev); -+ -+ schedule_delayed_work(&jz_battery->work, 0); -+ -+ return 0; -+} -+ -+static const struct dev_pm_ops jz_battery_pm_ops = { -+ .suspend = jz_battery_suspend, -+ .resume = jz_battery_resume, -+}; -+ -+#define JZ_BATTERY_PM_OPS (&jz_battery_pm_ops) -+ -+#else -+#define JZ_BATTERY_PM_OPS NULL -+#endif -+ -+static struct platform_driver jz_battery_driver = { -+ .probe = jz_battery_probe, -+ .remove = __devexit_p(jz_battery_remove), -+ .driver = { -+ .name = "jz4740-battery", -+ .owner = THIS_MODULE, -+ .pm = JZ_BATTERY_PM_OPS, -+ }, -+}; -+ -+static int __init jz_battery_init(void) -+{ -+ return platform_driver_register(&jz_battery_driver); -+} -+module_init(jz_battery_init); -+ -+static void __exit jz_battery_exit(void) -+{ -+ platform_driver_unregister(&jz_battery_driver); -+} -+module_exit(jz_battery_exit); -+ -+MODULE_ALIAS("platform:jz4740-battery"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Jiejing Zhang "); -+MODULE_DESCRIPTION("JZ4720/JZ4740 SoC battery driver"); -diff --git a/include/linux/power/jz4740-battery.h b/include/linux/power/jz4740-battery.h -new file mode 100644 -index 0000000..19c9610 ---- /dev/null -+++ b/include/linux/power/jz4740-battery.h -@@ -0,0 +1,24 @@ -+/* -+ * Copyright (C) 2009, Jiejing Zhang -+ * -+ * 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. -+ * -+ * 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., -+ * 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ */ -+ -+#ifndef __JZ4740_BATTERY_H -+#define __JZ4740_BATTERY_H -+ -+struct jz_battery_platform_data { -+ struct power_supply_info info; -+ int gpio_charge; /* GPIO port of Charger state */ -+ int gpio_charge_active_low; -+}; -+ -+#endif --- -1.5.6.5 - -- cgit v1.2.3