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pmic8058-othc.h
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pmic8058-othc.h
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/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __PMIC8058_OTHC_H__
#define __PMIC8058_OTHC_H__
enum othc_headset_type {
OTHC_HEADSET_NO,
OTHC_HEADSET_NC,
};
/* Signal control for OTHC module */
enum othc_micbias_enable {
/* Turn off MICBIAS signal */
OTHC_SIGNAL_OFF,
/* Turn on MICBIAS signal when TCXO is enabled */
OTHC_SIGNAL_TCXO,
/* Turn on MICBIAS signal when PWM is high or TCXO is enabled */
OTHC_SIGNAL_PWM_TCXO,
/* MICBIAS always enabled */
OTHC_SIGNAL_ALWAYS_ON,
};
/* Number of MICBIAS lines supported by PMIC8058 */
enum othc_micbias {
OTHC_MICBIAS_0,
OTHC_MICBIAS_1,
OTHC_MICBIAS_2,
OTHC_MICBIAS_MAX,
};
enum othc_micbias_capability {
/* MICBIAS used only for BIAS with on/off capability */
OTHC_MICBIAS,
/* MICBIAS used to support HSED functionality */
OTHC_MICBIAS_HSED,
};
/* Configuration data for HSED */
struct othc_hsed_config {
enum othc_headset_type othc_headset;
u16 othc_lowcurr_thresh_uA;
u16 othc_highcurr_thresh_uA;
u32 othc_hyst_prediv_us;
u32 othc_period_clkdiv_us;
u32 othc_hyst_clk_us;
u32 othc_period_clk_us;
int othc_nc_gpio;
int othc_wakeup;
int (*othc_nc_gpio_setup)(void);
};
struct pmic8058_othc_config_pdata {
enum othc_micbias micbias_select;
enum othc_micbias_enable micbias_enable;
enum othc_micbias_capability micbias_capability;
struct othc_hsed_config *hsed_config;
};
int pm8058_micbias_enable(enum othc_micbias micbias,
enum othc_micbias_enable enable);
#endif /* __PMIC8058_OTHC_H__ */