113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/*
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* (c) 2010 STMicroelectronics Limited
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*
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* Author: Stuart Menefy <stuart.menefy@st.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __LINUX_STM_DEVICE_H
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#define __LINUX_STM_DEVICE_H
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#include <linux/device.h>
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#include <linux/stm/sysconf.h>
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#include <linux/stm/pad.h>
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struct stm_device_state;
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struct stm_device_sysconf {
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int regtype;
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int regnum;
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int lsb;
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int msb;
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const char *name;
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};
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enum stm_device_power_state {
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stm_device_power_off,
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stm_device_power_on
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};
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struct stm_device_config {
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int sysconfs_num;
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struct stm_device_sysconf *sysconfs;
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struct stm_pad_config *pad_config;
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int (*init)(struct stm_device_state *state);
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int (*exit)(struct stm_device_state *state);
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void (*power)(struct stm_device_state *state,
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enum stm_device_power_state power_state);
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};
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#define STM_DEVICE_SYS_CFG(_regnum, _lsb, _msb, _name) \
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{ \
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.regtype = SYS_CFG, \
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.regnum = _regnum, \
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.lsb = _lsb, \
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.msb = _msb, \
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.name = _name, \
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}
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#define STM_DEVICE_SYS_STA(_regnum, _lsb, _msb, _name) \
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{ \
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.regtype = SYS_STA, \
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.regnum = _regnum, \
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.lsb = _lsb, \
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.msb = _msb, \
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.name = _name, \
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}
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#define STM_DEVICE_SYS_CFG_BANK(_bank, _regnum, _lsb, _msb, _name) \
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{ \
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.regtype = SYS_CFG_BANK##_bank, \
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.regnum = _regnum, \
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.lsb = _lsb, \
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.msb = _msb, \
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.name = _name, \
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}
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#define STM_DEVICE_SYS_STA_BANK(_bank, _regnum, _lsb, _msb, _name) \
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{ \
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.regtype = SYS_STA_BANK##_bank, \
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.regnum = _regnum, \
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.lsb = _lsb, \
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.msb = _msb, \
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.name = _name, \
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}
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/* We have to do this indirection to allow the first argument to
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* STM_DEVICE_SYSCONF to be a macro, as used by 5197 for example. */
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#define ___STM_DEVICE_SYSCONF(_regtype, _regnum, _lsb, _msb, _name) \
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{ \
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.regtype = _regtype, \
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.regnum = _regnum, \
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.lsb = _lsb, \
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.msb = _msb, \
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.name = _name, \
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}
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#define STM_DEVICE_SYSCONF(_reg, _lsb, _msb, _name) \
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___STM_DEVICE_SYSCONF(_reg, _lsb, _msb, _name)
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struct stm_device_state *stm_device_init(struct stm_device_config *config,
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struct device *dev);
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void stm_device_exit(struct stm_device_state *state);
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void stm_device_sysconf_write(struct stm_device_state *state,
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const char* name, unsigned long long value);
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unsigned long long stm_device_sysconf_read(struct stm_device_state *state,
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const char* name);
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struct stm_device_state *devm_stm_device_init(struct device *dev,
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struct stm_device_config *config);
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void devm_stm_device_exit(struct device *dev,
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struct stm_device_state *state);
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void stm_device_power(struct stm_device_state *state,
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enum stm_device_power_state);
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struct stm_pad_state* stm_device_get_pad_state(struct stm_device_state *state);
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struct stm_device_config* stm_device_get_config(struct stm_device_state *state);
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#endif
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