* [PATCH v3 1/5] Add HP iPAQ rx1950 LEDs driver
2010-07-13 20:12 [PATCH v3 0/5] s3c24xx: iPAQ rx1950 series Vasily Khoruzhick
@ 2010-07-13 20:12 ` Vasily Khoruzhick
2010-07-13 20:12 ` [PATCH v3 2/5] rx1950: add LEDs device Vasily Khoruzhick
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Vasily Khoruzhick @ 2010-07-13 20:12 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
drivers/leds/Kconfig | 6 ++
drivers/leds/Makefile | 1 +
drivers/leds/leds-rx1950.c | 206 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 213 insertions(+), 0 deletions(-)
create mode 100644 drivers/leds/leds-rx1950.c
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 81bf25e..f986825 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -102,6 +102,12 @@ config LEDS_H1940
help
This option enables support for the LEDs on the h1940.
+config LEDS_RX1950
+ tristate "LED Support for iPAQ RX1950 device"
+ depends on MACH_RX1950
+ help
+ This option enables support for the LEDs on the rx1950.
+
config LEDS_COBALT_QUBE
tristate "LED Support for the Cobalt Qube series front LED"
depends on MIPS_COBALT
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 2493de4..faa0d5d 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_LEDS_NET5501) += leds-net5501.o
obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
obj-$(CONFIG_LEDS_ALIX2) += leds-alix2.o
obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
+obj-$(CONFIG_LEDS_RX1950) += leds-rx1950.o
obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o
obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o
obj-$(CONFIG_LEDS_SUNFIRE) += leds-sunfire.o
diff --git a/drivers/leds/leds-rx1950.c b/drivers/leds/leds-rx1950.c
new file mode 100644
index 0000000..1eed583
--- /dev/null
+++ b/drivers/leds/leds-rx1950.c
@@ -0,0 +1,206 @@
+/*
+ * drivers/leds/leds-rx1950.c
+ *
+ * Based on leds-h1940 by Arnaud Patard <arnaud.patard@rtp-net.org>
+ * Copyright (c) Vasily Khoruzhick <anarsoul@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.
+ *
+ * RX1950 leds driver
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+
+#include <mach/regs-gpio.h>
+#include <mach/regs-gpioj.h>
+#include <mach/hardware.h>
+
+/*
+ * Green led.
+ */
+static void rx1950_greenled_set(struct led_classdev *led_dev,
+ enum led_brightness value)
+{
+ switch (value) {
+ case LED_HALF:
+ gpio_direction_output(S3C2410_GPA(4), 1);
+ gpio_direction_output(S3C2410_GPA(6), 0);
+ gpio_direction_output(S3C2410_GPJ(6), 1);
+ break;
+ case LED_FULL:
+ gpio_direction_output(S3C2410_GPA(4), 0);
+ gpio_direction_output(S3C2410_GPA(6), 1);
+ gpio_direction_output(S3C2410_GPJ(6), 0);
+ break;
+ default:
+ case LED_OFF:
+ gpio_direction_output(S3C2410_GPA(4), 0);
+ gpio_direction_output(S3C2410_GPA(6), 0);
+ gpio_direction_output(S3C2410_GPJ(6), 0);
+ break;
+ }
+}
+
+static struct led_classdev rx1950_greenled = {
+ .name = "rx1950:green",
+ .brightness_set = rx1950_greenled_set,
+ .default_trigger = "s3c-adc-charger",
+};
+
+static void rx1950_redled_set(struct led_classdev *led_dev,
+ enum led_brightness value)
+{
+ switch (value) {
+ case LED_HALF:
+ gpio_direction_output(S3C2410_GPA(3), 1);
+ gpio_direction_output(S3C2410_GPA(7), 0);
+ gpio_direction_output(S3C2410_GPJ(6), 1);
+ break;
+ case LED_FULL:
+ gpio_direction_output(S3C2410_GPA(3), 0);
+ gpio_direction_output(S3C2410_GPA(7), 1);
+ gpio_direction_output(S3C2410_GPJ(6), 0);
+ break;
+ default:
+ case LED_OFF:
+ gpio_direction_output(S3C2410_GPA(3), 0);
+ gpio_direction_output(S3C2410_GPA(7), 0);
+ gpio_direction_output(S3C2410_GPJ(6), 0);
+ break;
+ }
+}
+
+static struct led_classdev rx1950_redled = {
+ .name = "rx1950:red",
+ .brightness_set = rx1950_redled_set,
+ .default_trigger = "s3c-adc-charger",
+};
+
+/*
+ * Blue led.
+ */
+static void rx1950_blueled_set(struct led_classdev *led_dev,
+ enum led_brightness value)
+{
+ if (value)
+ gpio_direction_output(S3C2410_GPA(11), 1);
+ else
+ gpio_direction_output(S3C2410_GPA(11), 0);
+}
+
+static struct led_classdev rx1950_blueled = {
+ .name = "rx1950:blue",
+ .brightness_set = rx1950_blueled_set,
+ .default_trigger = "rx1950-acx-mem",
+};
+
+static int __devinit rx1950leds_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = gpio_request(S3C2410_GPA(3), "rx1950:red_led_blink");
+ if (ret)
+ goto err_blink_red;
+
+ ret = gpio_request(S3C2410_GPA(4), "rx1950:green_led_blink");
+ if (ret)
+ goto err_blink_green;
+
+ ret = gpio_request(S3C2410_GPJ(6), "rx1950:led_blink");
+ if (ret)
+ goto err_blink;
+
+ ret = gpio_request(S3C2410_GPA(6), "rx1950:green_led");
+ if (ret)
+ goto err_green;
+ ret = led_classdev_register(&pdev->dev, &rx1950_greenled);
+ if (ret)
+ goto err_green_gpio;
+
+ ret = gpio_request(S3C2410_GPA(7), "rx1950:red_led");
+ if (ret)
+ goto err_red;
+ ret = led_classdev_register(&pdev->dev, &rx1950_redled);
+ if (ret)
+ goto err_red_gpio;
+
+ ret = gpio_request(S3C2410_GPA(11), "rx1950:blue_led");
+ if (ret)
+ goto err_blue;
+ ret = led_classdev_register(&pdev->dev, &rx1950_blueled);
+ if (ret)
+ goto err_blue_gpio;
+
+ return 0;
+
+err_blue_gpio:
+ gpio_free(S3C2410_GPA(11));
+err_blue:
+ led_classdev_unregister(&rx1950_redled);
+err_red_gpio:
+ gpio_free(S3C2410_GPA(6));
+err_red:
+ led_classdev_unregister(&rx1950_greenled);
+err_green_gpio:
+ gpio_free(S3C2410_GPA7);
+err_green:
+ gpio_free(S3C2410_GPJ(6));
+err_blink:
+ gpio_free(S3C2410_GPA(4));
+err_blink_green:
+ gpio_free(S3C2410_GPA(3));
+err_blink_red:
+ return ret;
+}
+
+static int rx1950leds_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&rx1950_greenled);
+ led_classdev_unregister(&rx1950_redled);
+ led_classdev_unregister(&rx1950_blueled);
+ gpio_free(S3C2410_GPA(11));
+ gpio_free(S3C2410_GPA(6));
+ gpio_free(S3C2410_GPA(7));
+ gpio_free(S3C2410_GPJ(6));
+ gpio_free(S3C2410_GPA(3));
+ gpio_free(S3C2410_GPA(4));
+ return 0;
+}
+
+
+static struct platform_driver rx1950leds_driver = {
+ .driver = {
+ .name = "rx1950-leds",
+ .owner = THIS_MODULE,
+ },
+ .probe = rx1950leds_probe,
+ .remove = rx1950leds_remove,
+};
+
+
+static int __init rx1950leds_init(void)
+{
+ return platform_driver_register(&rx1950leds_driver);
+}
+
+static void __exit rx1950leds_exit(void)
+{
+ platform_driver_unregister(&rx1950leds_driver);
+}
+
+module_init(rx1950leds_init);
+module_exit(rx1950leds_exit);
+
+MODULE_AUTHOR("Vasily Khoruzhick <anarsoul@gmail.com>");
+MODULE_DESCRIPTION("LED driver for the iPAQ RX1950");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rx1950-leds");
--
1.7.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v3 2/5] rx1950: add LEDs device
2010-07-13 20:12 [PATCH v3 0/5] s3c24xx: iPAQ rx1950 series Vasily Khoruzhick
2010-07-13 20:12 ` [PATCH v3 1/5] Add HP iPAQ rx1950 LEDs driver Vasily Khoruzhick
@ 2010-07-13 20:12 ` Vasily Khoruzhick
2010-07-13 20:12 ` [PATCH v3 3/5] Add s3c-adc-battery driver Vasily Khoruzhick
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Vasily Khoruzhick @ 2010-07-13 20:12 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
arch/arm/mach-s3c2440/mach-rx1950.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index 8603b57..55b806a 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -126,6 +126,11 @@ static struct s3c2410fb_display rx1950_display = {
};
+static struct platform_device rx1950_device_leds = {
+ .name = "rx1950-leds",
+ .id = -1,
+};
+
static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
.displays = &rx1950_display,
.num_displays = 1,
@@ -502,6 +507,7 @@ static struct platform_device *rx1950_devices[] __initdata = {
&s3c_device_timer[1],
&rx1950_backlight,
&rx1950_device_gpiokeys,
+ &rx1950_device_leds,
};
static struct clk *rx1950_clocks[] __initdata = {
--
1.7.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v3 3/5] Add s3c-adc-battery driver
2010-07-13 20:12 [PATCH v3 0/5] s3c24xx: iPAQ rx1950 series Vasily Khoruzhick
2010-07-13 20:12 ` [PATCH v3 1/5] Add HP iPAQ rx1950 LEDs driver Vasily Khoruzhick
2010-07-13 20:12 ` [PATCH v3 2/5] rx1950: add LEDs device Vasily Khoruzhick
@ 2010-07-13 20:12 ` Vasily Khoruzhick
2010-07-13 20:12 ` [PATCH v3 4/5] s3c_adc_battery: add LED trigger Vasily Khoruzhick
2010-07-13 20:13 ` [PATCH v3 5/5] rx1950: add battery device Vasily Khoruzhick
4 siblings, 0 replies; 6+ messages in thread
From: Vasily Khoruzhick @ 2010-07-13 20:12 UTC (permalink / raw)
To: linux-arm-kernel
s3c-adc-battery is driver for monitoring
and charging battery on iPAQ H1930/H1940/RX1950.
It depends on s3c-adc driver to get battery voltage and current.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
drivers/power/Kconfig | 6 +
drivers/power/Makefile | 1 +
drivers/power/s3c_adc_battery.c | 426 +++++++++++++++++++++++++++++++++++++++
include/linux/s3c_adc_battery.h | 36 ++++
4 files changed, 469 insertions(+), 0 deletions(-)
create mode 100644 drivers/power/s3c_adc_battery.c
create mode 100644 include/linux/s3c_adc_battery.h
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 8e9ba17..645baa5 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -136,6 +136,12 @@ config BATTERY_Z2
help
Say Y to include support for the battery on the Zipit Z2.
+config BATTERY_S3C_ADC
+ tristate "Battery driver for Samsung ADC based monitoring"
+ depends on S3C_ADC
+ help
+ Say Y here to enable support for iPAQ h1930/h1940/rx1950 battery
+
config CHARGER_PCF50633
tristate "NXP PCF50633 MBC"
depends on MFD_PCF50633
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 0005080..166bcbf 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -33,4 +33,5 @@ obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o
obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o
obj-$(CONFIG_BATTERY_MAX17040) += max17040_battery.o
obj-$(CONFIG_BATTERY_Z2) += z2_battery.o
+obj-$(CONFIG_BATTERY_S3C_ADC) += s3c_adc_battery.o
obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o
diff --git a/drivers/power/s3c_adc_battery.c b/drivers/power/s3c_adc_battery.c
new file mode 100644
index 0000000..4eb05ab
--- /dev/null
+++ b/drivers/power/s3c_adc_battery.c
@@ -0,0 +1,426 @@
+/*
+ * iPAQ h1930/h1940/rx1950 battery controler driver
+ * Copyright (c) Vasily Khoruzhick
+ * Based on h1940_battery.c by Arnaud Patard
+ *
+ * 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.
+ *
+ */
+
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/err.h>
+#include <linux/timer.h>
+#include <linux/jiffies.h>
+#include <linux/s3c_adc_battery.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+#include <plat/adc.h>
+
+#define BAT_POLL_INTERVAL 10000 /* ms */
+#define JITTER_DELAY 500 /* ms */
+
+struct s3c_adc_bat {
+ struct power_supply psy;
+ struct s3c_adc_client *client;
+ struct s3c_adc_bat_pdata *pdata;
+ int volt_value;
+ int cur_value;
+ unsigned int timestamp;
+ int level;
+ int status;
+ int cable_plugged:1;
+};
+
+static struct delayed_work bat_work;
+
+static void s3c_adc_bat_ext_power_changed(struct power_supply *psy)
+{
+ schedule_delayed_work(&bat_work,
+ msecs_to_jiffies(JITTER_DELAY));
+}
+
+static enum power_supply_property s3c_adc_backup_bat_props[] = {
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_MIN,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
+};
+
+static int s3c_adc_backup_bat_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct s3c_adc_bat *bat = container_of(psy, struct s3c_adc_bat, psy);
+
+ if (!bat) {
+ dev_err(psy->dev, "%s: no battery infos ?!\n", __func__);
+ return -EINVAL;
+ }
+
+ if (bat->volt_value < 0 ||
+ jiffies_to_msecs(jiffies - bat->timestamp) >
+ BAT_POLL_INTERVAL) {
+ bat->volt_value = s3c_adc_read(bat->client,
+ bat->pdata->backup_volt_channel);
+ bat->volt_value *= bat->pdata->backup_volt_mult;
+ bat->timestamp = jiffies;
+ }
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = bat->volt_value;
+ return 0;
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+ val->intval = bat->pdata->backup_volt_min;
+ return 0;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
+ val->intval = bat->pdata->backup_volt_max;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct s3c_adc_bat backup_bat = {
+ .psy = {
+ .name = "backup-battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .properties = s3c_adc_backup_bat_props,
+ .num_properties = ARRAY_SIZE(s3c_adc_backup_bat_props),
+ .get_property = s3c_adc_backup_bat_get_property,
+ .use_for_apm = 1,
+ },
+};
+
+static enum power_supply_property s3c_adc_main_bat_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+};
+
+static int calc_full_volt(int volt_val, int cur_val, int impedance)
+{
+ return volt_val + cur_val * impedance / 1000;
+}
+
+static int s3c_adc_bat_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct s3c_adc_bat *bat = container_of(psy, struct s3c_adc_bat, psy);
+
+ int new_level;
+ int full_volt;
+ const struct s3c_adc_bat_thresh *lut = bat->pdata->lut_noac;
+ unsigned int lut_size = bat->pdata->lut_noac_cnt;
+
+ if (!bat) {
+ dev_err(psy->dev, "no battery infos ?!\n");
+ return -EINVAL;
+ }
+
+ if (bat->volt_value < 0 || bat->cur_value < 0 ||
+ jiffies_to_msecs(jiffies - bat->timestamp) >
+ BAT_POLL_INTERVAL) {
+ bat->volt_value = s3c_adc_read(bat->client,
+ bat->pdata->volt_channel) * bat->pdata->volt_mult;
+ bat->cur_value = s3c_adc_read(bat->client,
+ bat->pdata->current_channel) * bat->pdata->current_mult;
+ bat->timestamp = jiffies;
+ }
+
+ new_level = 100000;
+ full_volt = calc_full_volt((bat->volt_value / 1000),
+ (bat->cur_value / 1000), bat->pdata->internal_impedance);
+
+ if (full_volt < calc_full_volt(lut->volt, lut->cur,
+ bat->pdata->internal_impedance)) {
+ lut_size--;
+ while (lut_size--) {
+ int lut_volt1;
+ int lut_volt2;
+
+ lut_volt1 = calc_full_volt(lut[0].volt, lut[0].cur,
+ bat->pdata->internal_impedance);
+ lut_volt2 = calc_full_volt(lut[1].volt, lut[1].cur,
+ bat->pdata->internal_impedance);
+ if (full_volt < lut_volt1 && full_volt >= lut_volt2) {
+ new_level = (lut[1].level +
+ (lut[0].level - lut[1].level) *
+ (full_volt - lut_volt2) /
+ (lut_volt1 - lut_volt2)) * 1000;
+ break;
+ }
+ new_level = lut[1].level * 1000;
+ lut++;
+ }
+ }
+
+ bat->level = new_level;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ if (bat->pdata->gpio_charge_finished < 0)
+ val->intval = bat->level == 100000 ?
+ POWER_SUPPLY_STATUS_FULL : bat->status;
+ else
+ val->intval = bat->status;
+ return 0;
+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+ val->intval = 100000;
+ return 0;
+ case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
+ val->intval = 0;
+ return 0;
+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ val->intval = bat->level;
+ return 0;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = bat->volt_value;
+ return 0;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = bat->cur_value;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct s3c_adc_bat main_bat = {
+ .psy = {
+ .name = "main-battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .properties = s3c_adc_main_bat_props,
+ .num_properties = ARRAY_SIZE(s3c_adc_main_bat_props),
+ .get_property = s3c_adc_bat_get_property,
+ .external_power_changed = s3c_adc_bat_ext_power_changed,
+ .use_for_apm = 1,
+ },
+};
+
+static void s3c_adc_bat_work(struct work_struct *work)
+{
+ struct s3c_adc_bat *bat = &main_bat;
+ int is_charged;
+ int is_plugged;
+ static int was_plugged;
+
+ is_plugged = power_supply_am_i_supplied(&bat->psy);
+ bat->cable_plugged = is_plugged;
+ if (is_plugged != was_plugged) {
+ was_plugged = is_plugged;
+ if (is_plugged) {
+ if (bat->pdata->enable_charger)
+ bat->pdata->enable_charger();
+ bat->status = POWER_SUPPLY_STATUS_CHARGING;
+ } else {
+ if (bat->pdata->disable_charger)
+ bat->pdata->disable_charger();
+ bat->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ }
+ } else {
+ if ((bat->pdata->gpio_charge_finished >= 0) && is_plugged) {
+ is_charged = gpio_get_value(
+ main_bat.pdata->gpio_charge_finished);
+ if (is_charged) {
+ if (bat->pdata->disable_charger)
+ bat->pdata->disable_charger();
+ bat->status = POWER_SUPPLY_STATUS_FULL;
+ } else {
+ if (bat->pdata->enable_charger)
+ bat->pdata->enable_charger();
+ bat->status = POWER_SUPPLY_STATUS_CHARGING;
+ }
+ }
+ }
+
+ power_supply_changed(&bat->psy);
+}
+
+static irqreturn_t s3c_adc_bat_charged(int irq, void *dev_id)
+{
+ schedule_delayed_work(&bat_work,
+ msecs_to_jiffies(JITTER_DELAY));
+ return IRQ_HANDLED;
+}
+
+static int __init s3c_adc_bat_probe(struct platform_device *pdev)
+{
+ struct s3c_adc_client *client;
+ struct s3c_adc_bat_pdata *pdata = pdev->dev.platform_data;
+ int ret;
+
+ client = s3c_adc_register(pdev, NULL, NULL, 0);
+ if (IS_ERR(client)) {
+ dev_err(&pdev->dev, "cannot register adc\n");
+ return PTR_ERR(client);
+ }
+
+ platform_set_drvdata(pdev, client);
+
+ main_bat.client = client;
+ main_bat.pdata = pdata;
+ main_bat.volt_value = -1;
+ main_bat.cur_value = -1;
+ main_bat.cable_plugged = 0;
+ main_bat.status = POWER_SUPPLY_STATUS_DISCHARGING;
+
+ ret = power_supply_register(&pdev->dev, &main_bat.psy);
+ if (ret)
+ goto err_reg_main;
+ if (pdata->backup_volt_mult) {
+ backup_bat.client = client;
+ backup_bat.pdata = pdev->dev.platform_data;
+ backup_bat.volt_value = -1;
+ ret = power_supply_register(&pdev->dev, &backup_bat.psy);
+ if (ret)
+ goto err_reg_backup;
+ }
+
+ INIT_DELAYED_WORK(&bat_work, s3c_adc_bat_work);
+
+ if (pdata->gpio_charge_finished >= 0) {
+ ret = gpio_request(pdata->gpio_charge_finished, "charged");
+ if (ret)
+ goto err_gpio;
+
+ ret = request_irq(gpio_to_irq(pdata->gpio_charge_finished),
+ s3c_adc_bat_charged,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "battery charged", NULL);
+ if (ret)
+ goto err_irq;
+ }
+
+ if (pdata->init) {
+ ret = pdata->init();
+ if (ret)
+ goto err_platform;
+ }
+
+ dev_info(&pdev->dev, "successfully loaded\n");
+ device_init_wakeup(&pdev->dev, 1);
+
+ /* Schedule timer to check current status */
+ schedule_delayed_work(&bat_work,
+ msecs_to_jiffies(JITTER_DELAY));
+
+ return 0;
+
+err_platform:
+ if (pdata->gpio_charge_finished >= 0)
+ free_irq(gpio_to_irq(pdata->gpio_charge_finished), NULL);
+err_irq:
+ if (pdata->gpio_charge_finished >= 0)
+ gpio_free(pdata->gpio_charge_finished);
+err_gpio:
+ if (pdata->backup_volt_mult)
+ power_supply_unregister(&backup_bat.psy);
+err_reg_backup:
+ power_supply_unregister(&main_bat.psy);
+err_reg_main:
+ return ret;
+}
+
+static int s3c_adc_bat_remove(struct platform_device *pdev)
+{
+ struct s3c_adc_client *client = platform_get_drvdata(pdev);
+ struct s3c_adc_bat_pdata *pdata = pdev->dev.platform_data;
+
+ power_supply_unregister(&main_bat.psy);
+ if (pdata->backup_volt_mult)
+ power_supply_unregister(&backup_bat.psy);
+
+ s3c_adc_release(client);
+
+ if (pdata->gpio_charge_finished >= 0) {
+ free_irq(gpio_to_irq(pdata->gpio_charge_finished), NULL);
+ gpio_free(pdata->gpio_charge_finished);
+ }
+
+ cancel_delayed_work(&bat_work);
+
+ if (pdata->exit)
+ pdata->exit();
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int s3c_adc_bat_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ struct s3c_adc_bat_pdata *pdata = pdev->dev.platform_data;
+
+ if (pdata->gpio_charge_finished >= 0) {
+ if (device_may_wakeup(&pdev->dev))
+ enable_irq_wake(
+ gpio_to_irq(pdata->gpio_charge_finished));
+ else {
+ disable_irq(gpio_to_irq(pdata->gpio_charge_finished));
+ main_bat.pdata->disable_charger();
+ }
+ }
+
+ return 0;
+}
+
+static int s3c_adc_bat_resume(struct platform_device *pdev)
+{
+ struct s3c_adc_bat_pdata *pdata = pdev->dev.platform_data;
+
+ if (pdata->gpio_charge_finished >= 0) {
+ if (device_may_wakeup(&pdev->dev))
+ disable_irq_wake(
+ gpio_to_irq(pdata->gpio_charge_finished));
+ else
+ enable_irq(gpio_to_irq(pdata->gpio_charge_finished));
+ }
+
+ /* Schedule timer to check current status */
+ schedule_delayed_work(&bat_work,
+ msecs_to_jiffies(JITTER_DELAY));
+
+ return 0;
+}
+#else
+#define s3c_adc_battery_suspend NULL
+#define s3c_adc_battery_resume NULL
+#endif
+
+static struct platform_driver s3c_adc_bat_driver = {
+ .driver = {
+ .name = "s3c-adc-battery",
+ },
+ .probe = s3c_adc_bat_probe,
+ .remove = s3c_adc_bat_remove,
+ .suspend = s3c_adc_bat_suspend,
+ .resume = s3c_adc_bat_resume,
+};
+
+
+static int __init s3c_adc_bat_init(void)
+{
+ return platform_driver_register(&s3c_adc_bat_driver);
+}
+
+static void __exit s3c_adc_bat_exit(void)
+{
+ platform_driver_unregister(&s3c_adc_bat_driver);
+}
+
+module_init(s3c_adc_bat_init);
+module_exit(s3c_adc_bat_exit);
+
+MODULE_AUTHOR("Vasily Khoruzhick <anarsoul@gmail.com>");
+MODULE_DESCRIPTION("iPAQ H1930/H1940/RX1950 battery controler driver");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/s3c_adc_battery.h b/include/linux/s3c_adc_battery.h
new file mode 100644
index 0000000..dbce22f
--- /dev/null
+++ b/include/linux/s3c_adc_battery.h
@@ -0,0 +1,36 @@
+#ifndef _S3C_ADC_BATTERY_H
+#define _S3C_ADC_BATTERY_H
+
+struct s3c_adc_bat_thresh {
+ int volt; /* mV */
+ int cur; /* mA */
+ int level; /* percent */
+};
+
+struct s3c_adc_bat_pdata {
+ int (*init)(void);
+ void (*exit)(void);
+ void (*enable_charger)(void);
+ void (*disable_charger)(void);
+
+ int gpio_charge_finished;
+
+ const struct s3c_adc_bat_thresh *lut_noac;
+ unsigned int lut_noac_cnt;
+ const struct s3c_adc_bat_thresh *lut_acin;
+ unsigned int lut_acin_cnt;
+
+ const unsigned int volt_channel;
+ const unsigned int current_channel;
+ const unsigned int backup_volt_channel;
+
+ const unsigned int volt_mult;
+ const unsigned int current_mult;
+ const unsigned int backup_volt_mult;
+ const unsigned int internal_impedance;
+
+ const unsigned int backup_volt_max;
+ const unsigned int backup_volt_min;
+};
+
+#endif
--
1.7.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v3 4/5] s3c_adc_battery: add LED trigger
2010-07-13 20:12 [PATCH v3 0/5] s3c24xx: iPAQ rx1950 series Vasily Khoruzhick
` (2 preceding siblings ...)
2010-07-13 20:12 ` [PATCH v3 3/5] Add s3c-adc-battery driver Vasily Khoruzhick
@ 2010-07-13 20:12 ` Vasily Khoruzhick
2010-07-13 20:13 ` [PATCH v3 5/5] rx1950: add battery device Vasily Khoruzhick
4 siblings, 0 replies; 6+ messages in thread
From: Vasily Khoruzhick @ 2010-07-13 20:12 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
drivers/power/s3c_adc_battery.c | 26 ++++++++++++++++++++++++++
1 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/drivers/power/s3c_adc_battery.c b/drivers/power/s3c_adc_battery.c
index 4eb05ab..3be2637 100644
--- a/drivers/power/s3c_adc_battery.c
+++ b/drivers/power/s3c_adc_battery.c
@@ -38,6 +38,10 @@ struct s3c_adc_bat {
int cable_plugged:1;
};
+#ifdef CONFIG_LEDS_TRIGGERS
+DEFINE_LED_TRIGGER(charger_led_trigger);
+#endif
+
static struct delayed_work bat_work;
static void s3c_adc_bat_ext_power_changed(struct power_supply *psy)
@@ -219,10 +223,16 @@ static void s3c_adc_bat_work(struct work_struct *work)
if (is_plugged != was_plugged) {
was_plugged = is_plugged;
if (is_plugged) {
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_event(charger_led_trigger, LED_HALF);
+#endif
if (bat->pdata->enable_charger)
bat->pdata->enable_charger();
bat->status = POWER_SUPPLY_STATUS_CHARGING;
} else {
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_event(charger_led_trigger, LED_OFF);
+#endif
if (bat->pdata->disable_charger)
bat->pdata->disable_charger();
bat->status = POWER_SUPPLY_STATUS_DISCHARGING;
@@ -232,10 +242,18 @@ static void s3c_adc_bat_work(struct work_struct *work)
is_charged = gpio_get_value(
main_bat.pdata->gpio_charge_finished);
if (is_charged) {
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_event(charger_led_trigger,
+ LED_FULL);
+#endif
if (bat->pdata->disable_charger)
bat->pdata->disable_charger();
bat->status = POWER_SUPPLY_STATUS_FULL;
} else {
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_event(charger_led_trigger,
+ LED_HALF);
+#endif
if (bat->pdata->enable_charger)
bat->pdata->enable_charger();
bat->status = POWER_SUPPLY_STATUS_CHARGING;
@@ -307,6 +325,10 @@ static int __init s3c_adc_bat_probe(struct platform_device *pdev)
goto err_platform;
}
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_register_simple("s3c-adc-charger", &charger_led_trigger);
+#endif
+
dev_info(&pdev->dev, "successfully loaded\n");
device_init_wakeup(&pdev->dev, 1);
@@ -336,6 +358,10 @@ static int s3c_adc_bat_remove(struct platform_device *pdev)
struct s3c_adc_client *client = platform_get_drvdata(pdev);
struct s3c_adc_bat_pdata *pdata = pdev->dev.platform_data;
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_unregister_simple(charger_led_trigger);
+#endif
+
power_supply_unregister(&main_bat.psy);
if (pdata->backup_volt_mult)
power_supply_unregister(&backup_bat.psy);
--
1.7.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v3 5/5] rx1950: add battery device
2010-07-13 20:12 [PATCH v3 0/5] s3c24xx: iPAQ rx1950 series Vasily Khoruzhick
` (3 preceding siblings ...)
2010-07-13 20:12 ` [PATCH v3 4/5] s3c_adc_battery: add LED trigger Vasily Khoruzhick
@ 2010-07-13 20:13 ` Vasily Khoruzhick
4 siblings, 0 replies; 6+ messages in thread
From: Vasily Khoruzhick @ 2010-07-13 20:13 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
arch/arm/mach-s3c2440/Kconfig | 3 +
arch/arm/mach-s3c2440/mach-rx1950.c | 160 +++++++++++++++++++++++++++++++++++
2 files changed, 163 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index cd8e7de..9b6b026 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -198,6 +198,9 @@ config MACH_RX1950
select S3C_DEV_NAND
select S3C2410_IOTIMING if S3C2440_CPUFREQ
select S3C2440_XTAL_16934400
+ select S3C_ADC
+ select PDA_POWER
+ select BATTERY_S3C_ADC
help
Say Y here if you're using HP iPAQ rx1950
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index 55b806a..7342f36 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -24,8 +24,10 @@
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/sysdev.h>
+#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/pwm.h>
+#include <linux/s3c_adc_battery.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -131,6 +133,162 @@ static struct platform_device rx1950_device_leds = {
.id = -1,
};
+static int power_supply_init(struct device *dev)
+{
+ return gpio_request(S3C2410_GPF(2), "cable plugged");
+}
+
+static int rx1950_is_ac_online(void)
+{
+ return !gpio_get_value(S3C2410_GPF(2));
+}
+
+static void power_supply_exit(struct device *dev)
+{
+ gpio_free(S3C2410_GPF(2));
+}
+
+static char *rx1950_supplicants[] = {
+ "main-battery"
+};
+
+static struct pda_power_pdata power_supply_info = {
+ .init = power_supply_init,
+ .is_ac_online = rx1950_is_ac_online,
+ .exit = power_supply_exit,
+ .supplied_to = rx1950_supplicants,
+ .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+ [0] = {
+ .name = "ac",
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
+ IORESOURCE_IRQ_HIGHEDGE,
+ .start = IRQ_EINT2,
+ .end = IRQ_EINT2,
+ },
+};
+
+static struct platform_device power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data =
+ &power_supply_info,
+ },
+ .resource = power_supply_resources,
+ .num_resources = ARRAY_SIZE(power_supply_resources),
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
+ {4100, 156, 100},
+ {4050, 156, 95},
+ {4025, 141, 90},
+ {3995, 144, 85},
+ {3957, 162, 80},
+ {3931, 147, 75},
+ {3902, 147, 70},
+ {3863, 153, 65},
+ {3838, 150, 60},
+ {3800, 153, 55},
+ {3765, 153, 50},
+ {3748, 172, 45},
+ {3740, 153, 40},
+ {3714, 175, 35},
+ {3710, 156, 30},
+ {3963, 156, 25},
+ {3672, 178, 20},
+ {3651, 178, 15},
+ {3629, 178, 10},
+ {3612, 162, 5},
+ {3605, 162, 0},
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
+ {4200, 0, 100},
+ {4190, 0, 99},
+ {4178, 0, 95},
+ {4110, 0, 70},
+ {4076, 0, 65},
+ {4046, 0, 60},
+ {4021, 0, 55},
+ {3999, 0, 50},
+ {3982, 0, 45},
+ {3965, 0, 40},
+ {3957, 0, 35},
+ {3948, 0, 30},
+ {3936, 0, 25},
+ {3927, 0, 20},
+ {3906, 0, 15},
+ {3880, 0, 10},
+ {3829, 0, 5},
+ {3820, 0, 0},
+};
+
+int rx1950_bat_init(void)
+{
+ int ret;
+
+ ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
+ if (ret)
+ goto err_gpio1;
+ ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
+ if (ret)
+ goto err_gpio2;
+
+ return 0;
+
+err_gpio2:
+ gpio_free(S3C2410_GPJ(2));
+err_gpio1:
+ return ret;
+}
+
+void rx1950_bat_exit(void)
+{
+ gpio_free(S3C2410_GPJ(2));
+ gpio_free(S3C2410_GPJ(3));
+}
+
+void rx1950_enable_charger(void)
+{
+ gpio_direction_output(S3C2410_GPJ(2), 1);
+ gpio_direction_output(S3C2410_GPJ(3), 1);
+}
+
+void rx1950_disable_charger(void)
+{
+ gpio_direction_output(S3C2410_GPJ(2), 0);
+ gpio_direction_output(S3C2410_GPJ(3), 0);
+}
+
+static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
+ .init = rx1950_bat_init,
+ .exit = rx1950_bat_exit,
+ .enable_charger = rx1950_enable_charger,
+ .disable_charger = rx1950_disable_charger,
+ .gpio_charge_finished = S3C2410_GPF(3),
+ .lut_noac = bat_lut_noac,
+ .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
+ .lut_acin = bat_lut_acin,
+ .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
+ .volt_channel = 0,
+ .current_channel = 1,
+ .volt_mult = 4235,
+ .current_mult = 2900,
+ .internal_impedance = 200,
+};
+
+static struct platform_device rx1950_battery = {
+ .name = "s3c-adc-battery",
+ .id = -1,
+ .dev = {
+ .parent = &s3c_device_adc.dev,
+ .platform_data = &rx1950_bat_cfg,
+ },
+};
+
static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
.displays = &rx1950_display,
.num_displays = 1,
@@ -508,6 +666,8 @@ static struct platform_device *rx1950_devices[] __initdata = {
&rx1950_backlight,
&rx1950_device_gpiokeys,
&rx1950_device_leds,
+ &power_supply,
+ &rx1950_battery,
};
static struct clk *rx1950_clocks[] __initdata = {
--
1.7.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread