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/*
* drivers/media/i2c/smiapp/smiapp-quirk.h
*
* Generic driver for SMIA/SMIA++ compliant camera modules
*
* Copyright (C) 2011--2012 Nokia Corporation
* Contact: Sakari Ailus <sakari.ailus@iki.fi>
*
* 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.
*
* 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.
*/
#ifndef __SMIAPP_QUIRK__
#define __SMIAPP_QUIRK__
struct smiapp_sensor;
/**
* struct smiapp_quirk - quirks for sensors that deviate from SMIA++ standard
*
* @limits: Replace sensor->limits with values which can't be read from
* sensor registers. Called the first time the sensor is powered up.
* @post_poweron: Called always after the sensor has been fully powered on.
* @pre_streamon: Called just before streaming is enabled.
* @post_streamon: Called right after stopping streaming.
* @pll_flags: Return flags for the PLL calculator.
* @init: Quirk initialisation, called the last in probe(). This is
* also appropriate for adding sensor specific controls, for instance.
* @reg_access: Register access quirk. The quirk may divert the access
* to another register, or no register at all.
*
* @write: Is this read (false) or write (true) access?
* @reg: Pointer to the register to access
* @value: Register value, set by the caller on write, or
* by the quirk on read
*
* @return: 0 on success, -ENOIOCTLCMD if no register
* access may be done by the caller (default read
* value is zero), else negative error code on error
*/
struct smiapp_quirk {
int (*limits)(struct smiapp_sensor *sensor);
int (*post_poweron)(struct smiapp_sensor *sensor);
int (*pre_streamon)(struct smiapp_sensor *sensor);
int (*post_streamoff)(struct smiapp_sensor *sensor);
unsigned long (*pll_flags)(struct smiapp_sensor *sensor);
int (*init)(struct smiapp_sensor *sensor);
int (*reg_access)(struct smiapp_sensor *sensor, bool write, u32 *reg,
u32 *val);
unsigned long flags;
};
#define SMIAPP_QUIRK_FLAG_8BIT_READ_ONLY (1 << 0)
struct smiapp_reg_8 {
u16 reg;
u8 val;
};
void smiapp_replace_limit(struct smiapp_sensor *sensor,
u32 limit, u32 val);
#define SMIAPP_MK_QUIRK_REG_8(_reg, _val) \
{ \
.reg = (u16)_reg, \
.val = _val, \
}
#define smiapp_call_quirk(sensor, _quirk, ...) \
((sensor)->minfo.quirk && \
(sensor)->minfo.quirk->_quirk ? \
(sensor)->minfo.quirk->_quirk(sensor, ##__VA_ARGS__) : 0)
#define smiapp_needs_quirk(sensor, _quirk) \
((sensor)->minfo.quirk ? \
(sensor)->minfo.quirk->flags & _quirk : 0)
extern const struct smiapp_quirk smiapp_jt8ev1_quirk;
extern const struct smiapp_quirk smiapp_imx125es_quirk;
extern const struct smiapp_quirk smiapp_jt8ew9_quirk;
extern const struct smiapp_quirk smiapp_tcm8500md_quirk;
#endif /* __SMIAPP_QUIRK__ */
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