[U-Boot] [PATCH v4 09/24] pmic: Extend struct pmic to support battery and charger related operations

Lukasz Majewski
2012-10-30T16:57:04Z

Now it is possible to provide specific function per PMIC/power
device instance.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
Changes for v2:
- New at patch v2

Changes for v3:
- separate power_{battery|chrg|fg} structures to provide battery ops
- struct pmic *parent pointer added

Changes for v4:
- None
---
include/power/battery.h | 38 ++++++++++++++++++++++++++++++++++++++
include/power/pmic.h | 30 +++++++++++++++++++++++++++++-
2 files changed, 67 insertions(+), 1 deletions(-)
create mode 100644 include/power/battery.h

diff --git a/include/power/battery.h b/include/power/battery.h
new file mode 100644
index 0000000..e2fec68
--- /dev/null
+++ b/include/power/battery.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __POWER_BATTERY_H_
+#define __POWER_BATTERY_H_
+
+struct battery {
+ unsigned int version;
+ unsigned int state_of_chrg;
+ unsigned int time_to_empty;
+ unsigned int capacity;
+ unsigned int voltage_uV;
+
+ unsigned int state;
+};
+
+int power_bat_init(unsigned char bus);
+#endif /* __POWER_BATTERY_H_ */
diff --git a/include/power/pmic.h b/include/power/pmic.h
index e9affc8..1ecfc05 100644
--- a/include/power/pmic.h
+++ b/include/power/pmic.h
@@ -27,8 +27,9 @@
#include <common.h>
#include <linux/list.h>
#include <i2c.h>
+#include <power/power_chrg.h>

-enum { PMIC_I2C, PMIC_SPI, };
+enum { PMIC_I2C, PMIC_SPI, PMIC_NONE};
enum { I2C_PMIC, I2C_NUM, };
enum { PMIC_READ, PMIC_WRITE, };
enum { PMIC_SENSOR_BYTE_ORDER_LITTLE, PMIC_SENSOR_BYTE_ORDER_BIG, };
@@ -48,6 +49,27 @@ struct p_spi {
u32 (*prepare_tx)(u32 reg, u32 *val, u32 write);
};

+struct pmic;
+struct power_fg {
+ int (*fg_battery_check) (struct pmic *p, struct pmic *bat);
+ int (*fg_battery_update) (struct pmic *p, struct pmic *bat);
+};
+
+struct power_chrg {
+ int (*chrg_type) (struct pmic *p);
+ int (*chrg_bat_present) (struct pmic *p);
+ int (*chrg_state) (struct pmic *p, int state, int current);
+};
+
+struct power_battery {
+ struct battery *bat;
+ int (*battery_init) (struct pmic *bat, struct pmic *p1,
+ struct pmic *p2, struct pmic *p3);
+ int (*battery_charge) (struct pmic *bat);
+ /* Keep info about power devices involved with battery operation */
+ struct pmic *chrg, *fg, *muic;
+};
+
struct pmic {
const char *name;
unsigned char bus;
@@ -59,6 +81,12 @@ struct pmic {
struct p_spi spi;
} hw;

+ void (*low_power_mode) (void);
+ struct power_battery *pbat;
+ struct power_chrg *chrg;
+ struct power_fg *fg;
+
+ struct pmic *parent;
struct list_head list;
};

--
1.7.2.3