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authorMike Rapoport <mike@compulab.co.il>2008-12-18 10:54:27 +0100
committerSamuel Ortiz <samuel@sortiz.org>2009-01-04 12:17:41 +0100
commit856f6fd119411d5701d5db96e1aae1dd69923887 (patch)
tree0b3307ff6ab793814909fb051b18eeca4687e98f
parentb8380c1a661f1f853418ff2eb798f27a11cade57 (diff)
downloadop-kernel-dev-856f6fd119411d5701d5db96e1aae1dd69923887.zip
op-kernel-dev-856f6fd119411d5701d5db96e1aae1dd69923887.tar.gz
mfd: Dialog DA9030 battery charger MFD driver
This patch amends DA903x MFD driver with definitions and methods needed for battery charger driver. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
-rw-r--r--drivers/mfd/da903x.c12
-rw-r--r--include/linux/mfd/da903x.h44
2 files changed, 54 insertions, 2 deletions
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 0b5bd85..fcaf1f6 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -151,12 +151,24 @@ int da903x_write(struct device *dev, int reg, uint8_t val)
}
EXPORT_SYMBOL_GPL(da903x_write);
+int da903x_writes(struct device *dev, int reg, int len, uint8_t *val)
+{
+ return __da903x_writes(to_i2c_client(dev), reg, len, val);
+}
+EXPORT_SYMBOL_GPL(da903x_writes);
+
int da903x_read(struct device *dev, int reg, uint8_t *val)
{
return __da903x_read(to_i2c_client(dev), reg, val);
}
EXPORT_SYMBOL_GPL(da903x_read);
+int da903x_reads(struct device *dev, int reg, int len, uint8_t *val)
+{
+ return __da903x_reads(to_i2c_client(dev), reg, len, val);
+}
+EXPORT_SYMBOL_GPL(da903x_reads);
+
int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
{
struct da903x_chip *chip = dev_get_drvdata(dev);
diff --git a/include/linux/mfd/da903x.h b/include/linux/mfd/da903x.h
index cad314c..115dbe9 100644
--- a/include/linux/mfd/da903x.h
+++ b/include/linux/mfd/da903x.h
@@ -32,6 +32,7 @@ enum {
DA9030_ID_LDO18,
DA9030_ID_LDO19,
DA9030_ID_LDO_INT, /* LDO Internal */
+ DA9030_ID_BAT, /* battery charger */
DA9034_ID_LED_1,
DA9034_ID_LED_2,
@@ -93,6 +94,43 @@ struct da9034_touch_pdata {
int y_inverted;
};
+/* DA9030 battery charger data */
+struct power_supply_info;
+
+struct da9030_battery_info {
+ /* battery parameters */
+ struct power_supply_info *battery_info;
+
+ /* current and voltage to use for battery charging */
+ unsigned int charge_milliamp;
+ unsigned int charge_millivolt;
+
+ /* voltage thresholds (in millivolts) */
+ int vbat_low;
+ int vbat_crit;
+ int vbat_charge_start;
+ int vbat_charge_stop;
+ int vbat_charge_restart;
+
+ /* battery nominal minimal and maximal voltages in millivolts */
+ int vcharge_min;
+ int vcharge_max;
+
+ /* Temperature thresholds. These are DA9030 register values
+ "as is" and should be measured for each battery type */
+ int tbat_low;
+ int tbat_high;
+ int tbat_restart;
+
+
+ /* battery monitor interval (seconds) */
+ unsigned int batmon_interval;
+
+ /* platform callbacks for battery low and critical events */
+ void (*battery_low)(void);
+ void (*battery_critical)(void);
+};
+
struct da903x_subdev_info {
int id;
const char *name;
@@ -190,11 +228,13 @@ extern int da903x_unregister_notifier(struct device *dev,
extern int da903x_query_status(struct device *dev, unsigned int status);
-/* NOTE: the two functions below are not intended for use outside
- * of the DA9034 sub-device drivers
+/* NOTE: the functions below are not intended for use outside
+ * of the DA903x sub-device drivers
*/
extern int da903x_write(struct device *dev, int reg, uint8_t val);
+extern int da903x_writes(struct device *dev, int reg, int len, uint8_t *val);
extern int da903x_read(struct device *dev, int reg, uint8_t *val);
+extern int da903x_reads(struct device *dev, int reg, int len, uint8_t *val);
extern int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask);
extern int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask);
extern int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask);
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