diff options
Diffstat (limited to 'include/linux/pmic.h')
| -rw-r--r-- | include/linux/pmic.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/include/linux/pmic.h b/include/linux/pmic.h deleted file mode 100644 index 2c6e3ec9d409..000000000000 --- a/include/linux/pmic.h +++ /dev/null @@ -1,211 +0,0 @@ -/* - * pm.c -- Power Management IC for SoC support. - * - * Copyright (C) 2007 Wolfson Microelectronics PLC. - * - * Author: Liam Girdwood <lg@opensource.wolfsonmicro.com> - * - * 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. - */ - - -#ifndef __LINUX_PM_H_ -#define __LINUX_PM_H_ - -#include <linux/list.h> -#include <asm/atomic.h> - -/* - * pm power loads. i.e. subsystems we supply power to. - * TODO: Need more subsystem types. - */ -enum pm_load { - /* system (inc RAM) */ - PM_LOAD_CPU = (1 << 0), - PM_LOAD_MEM = (1 << 1), - PM_LOAD_SYS_IO = (1 << 2), - - /* nv memory */ - PM_LOAD_NAND = (1 << 3), - PM_LOAD_NOR = (1 << 4), - PM_LOAD_EEPROM = (1 << 5), - - /* display */ - PM_LOAD_LCD = (1 << 6), - PM_LOAD_GPU = (1 << 7), - PM_LOAD_TV = (1 << 8), - PM_LOAD_BACKLIGHT = (1 << 9), - - /* audio */ - PM_LOAD_AUDIO = (1 << 10), - - /* storage */ - PM_LOAD_DISK = (1 << 11), - PM_LOAD_MMC = (1 << 12), - PM_LOAD_MSTICK = (1 << 13), - PM_LOAD_PCMCIA = (1 << 14), - - /* phone */ - PM_LOAD_SIM = (1 << 15), - PM_LOAD_GSM = (1 << 16), - PM_LOAD_VIBRATOR = (1 << 17), - - /* communications */ - PM_LOAD_ETH = (1 << 18), - PM_LOAD_WIFI = (1 << 19), - PM_LOAD_BT = (1 << 20), - PM_LOAD_USB = (1 << 21), - PM_LOAD_SERIAL = (1 << 22), - PM_LOAD_IRDA = (1 << 23), - - /* power */ - PM_LOAD_BATTERY = (1 << 24), - - /* misc */ - PM_LOAD_GPS = (1 << 25), - PM_LOAD_CAMERA = (1 << 26), - PM_LOAD_LED = (1 << 27), - PM_LOAD_TOUCH = (1 << 28), -}; - -/* - * Regulator control types. - * Regulators are used to supply either a constant or variable mV (or mA) - */ -enum pm_control { - PM_CONTROL_STATIC = 0, /* on/off */ - PM_CONTROL_DYNAMIC = 1, /* on/off + voltage/current scale */ - PM_CONTROL_NONE = 2, /* no software control */ -}; - -/* - * Regulator boot time status. - * Set by bootloader, PIC, PMIC or other hardware. - */ -enum pm_boot { - PM_BOOT_POWER_ON = 0, /* supplies power for boot */ - PM_BOOT_POWER_OFF = 1, /* not required for boot */ -}; - -struct pm_regulator; - -/* - * Regulator voltage/current limits - * TODO: may add table support for log/linear range - */ -struct pm_range { - int sval; /* static value */ - int dmin; /* dynamic min & max */ - int dmax; -}; - -/* - * A regulator circuit that supplies power to many subsystems (or loads) - */ -struct pm_circuit { - char *name; - int regulator_id; - enum pm_load load; - - struct pm_range mV_range; - struct pm_range mA_range; - - enum pm_boot boot_time; - - /* private */ - struct list_head list; - struct pm_regulator *regulator; -}; - -/* - * Voltage regulator operations. - * enable is madatory, others optional. - */ -struct pm_regulator_ops { - int (*enable)(struct pm_regulator *, int enable); - - /* get/set voltage for regulator mode */ - int (*set_voltage)(struct pm_regulator *, int mV, int Vmode); - int (*get_voltage)(struct pm_regulator *, int Vmode); - - /* get/set regulator mode (e.g. normal, hibernate, etc) */ - int (*get_mode)(struct pm_regulator *); - int (*set_mode)(struct pm_regulator *, int Vmode); - - /* get/set regulator current (set limit) */ - int (*set_current)(struct pm_regulator *, int mA, int Amode); - int (*get_current)(struct pm_regulator *); - - /* regulator ioctl (for vendor specific ops) */ - int (*ioctl)(struct pm_regulator *, int cmd, int arg); -}; - -/* - * PMIC voltage regulator. - * PMIC may have many DCDC or LDO regulators. - */ -struct pm_regulator { - char *name; - int id; - struct pm_regulator_ops *ops; - struct pm_range mV_range; - struct pm_range mA_range; - enum pm_control mV_control; - enum pm_control mA_control; - - int use_count; - struct list_head list; - struct pm_circuit *circuit; - void *private; -}; - - -/* - * PMIC driver API - */ -/* registration */ -int pm_register_regulator(struct pm_regulator *reg, void *data); -void pm_unregister_regulator(struct pm_regulator *reg); - -/* - * SoC Machine power API - */ -/* registration of machine circuits */ -int pm_register_circuit(struct pm_circuit *circuit); -void pm_unregister_circuit(struct pm_circuit *circuit); - - -/* - * General device driver SoC pm API - * This API is used by device drivers for access to system power. The machines - * power architecture is transparent to all drivers, i.e. they don't need to - * know or care about it. - */ -/* load registration */ -int pm_register_load(struct device *dev, enum pm_load load, char *id); -void pm_unregister_load(struct device *dev); - -/* power request/release for static voltage loads - * (mV set by machine specific code in arch/cpu/platform/machine.c ) */ -int pm_request_power(struct device *dev); -int pm_release_power(struct device *dev); - -/* power request for variable voltage loads (i.e. backlight, high power LED's) */ -int pm_set_voltage(struct device *dev, int mV); -int pm_get_voltage(struct device *dev); -int pm_set_current(struct device *dev, int mA); -int pm_get_current(struct device *dev); - -/* - * General CPUFREQ SoC pm API - */ -/* load registration */ -int pm_register_cpu_load(int cpu); -void pm_unregister_cpu_load(int cpu); - -/* power request for variable voltage loads */ -int pm_request_cpu_voltage(int cpu, int mV); - -#endif /*__LINUX_PM_H_*/ |