satip-axe/kernel/include/linux/stm/device.h

113 lines
2.9 KiB
C
Raw Permalink Normal View History

/*
* (c) 2010 STMicroelectronics Limited
*
* Author: Stuart Menefy <stuart.menefy@st.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_STM_DEVICE_H
#define __LINUX_STM_DEVICE_H
#include <linux/device.h>
#include <linux/stm/sysconf.h>
#include <linux/stm/pad.h>
struct stm_device_state;
struct stm_device_sysconf {
int regtype;
int regnum;
int lsb;
int msb;
const char *name;
};
enum stm_device_power_state {
stm_device_power_off,
stm_device_power_on
};
struct stm_device_config {
int sysconfs_num;
struct stm_device_sysconf *sysconfs;
struct stm_pad_config *pad_config;
int (*init)(struct stm_device_state *state);
int (*exit)(struct stm_device_state *state);
void (*power)(struct stm_device_state *state,
enum stm_device_power_state power_state);
};
#define STM_DEVICE_SYS_CFG(_regnum, _lsb, _msb, _name) \
{ \
.regtype = SYS_CFG, \
.regnum = _regnum, \
.lsb = _lsb, \
.msb = _msb, \
.name = _name, \
}
#define STM_DEVICE_SYS_STA(_regnum, _lsb, _msb, _name) \
{ \
.regtype = SYS_STA, \
.regnum = _regnum, \
.lsb = _lsb, \
.msb = _msb, \
.name = _name, \
}
#define STM_DEVICE_SYS_CFG_BANK(_bank, _regnum, _lsb, _msb, _name) \
{ \
.regtype = SYS_CFG_BANK##_bank, \
.regnum = _regnum, \
.lsb = _lsb, \
.msb = _msb, \
.name = _name, \
}
#define STM_DEVICE_SYS_STA_BANK(_bank, _regnum, _lsb, _msb, _name) \
{ \
.regtype = SYS_STA_BANK##_bank, \
.regnum = _regnum, \
.lsb = _lsb, \
.msb = _msb, \
.name = _name, \
}
/* We have to do this indirection to allow the first argument to
* STM_DEVICE_SYSCONF to be a macro, as used by 5197 for example. */
#define ___STM_DEVICE_SYSCONF(_regtype, _regnum, _lsb, _msb, _name) \
{ \
.regtype = _regtype, \
.regnum = _regnum, \
.lsb = _lsb, \
.msb = _msb, \
.name = _name, \
}
#define STM_DEVICE_SYSCONF(_reg, _lsb, _msb, _name) \
___STM_DEVICE_SYSCONF(_reg, _lsb, _msb, _name)
struct stm_device_state *stm_device_init(struct stm_device_config *config,
struct device *dev);
void stm_device_exit(struct stm_device_state *state);
void stm_device_sysconf_write(struct stm_device_state *state,
const char* name, unsigned long long value);
unsigned long long stm_device_sysconf_read(struct stm_device_state *state,
const char* name);
struct stm_device_state *devm_stm_device_init(struct device *dev,
struct stm_device_config *config);
void devm_stm_device_exit(struct device *dev,
struct stm_device_state *state);
void stm_device_power(struct stm_device_state *state,
enum stm_device_power_state);
struct stm_pad_state* stm_device_get_pad_state(struct stm_device_state *state);
struct stm_device_config* stm_device_get_config(struct stm_device_state *state);
#endif