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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
************************************************
* Automatically generated C config: don't edit *
************************************************
*/
#ifndef __CTL_ADC_H__
#define __CTL_ADC_H__
/* adc channel definition */
#define ADC_CHANNEL_INVALID -1
enum adc_channel {
ADC_CHANNEL_0 = 0, //ADCI0
ADC_CHANNEL_1 = 1, //ADCI1
ADC_CHANNEL_2 = 2, //ADCI2
ADC_CHANNEL_3 = 3, //ADCI3
ADC_CHANNEL_PROG = 4,
ADC_CHANNEL_VBAT = 5,
ADC_CHANNEL_VCHGSEN = 6,
ADC_CHANNEL_VCHGBG = 7,
ADC_CHANNEL_ISENSE = 8,
ADC_CHANNEL_TPYD = 9,
ADC_CHANNEL_TPYU = 10,
ADC_CHANNEL_TPXR = 11,
ADC_CHANNEL_TPXL = 12,
ADC_CHANNEL_DCDCCORE = 13,
ADC_CHANNEL_DCDCARM = 14,
ADC_CHANNEL_DCDCMEM = 15,
ADC_CHANNEL_DCDCLDO = 16,
#if defined(CONFIG_ARCH_SC8825)
ADC_CHANNEL_VBATBK = 17,
ADC_CHANNEL_HEADMIC = 18,
ADC_CHANNEL_LDO0 = 19, /* ldo rf/abb/cama */
ADC_CHANNEL_LDO1 = 20, /* ldo v3v/v28/vsim0/vsim1/cammot/sd0/usb/dvdd18/v25 */
ADC_CHANNEL_LDO2 = 21, /* ldo camio/camcore/cmmb1v2/cmmb1v8/v18/sd1/sd3/ */
ADC_MAX = 21,
#elif defined(CONFIG_ARCH_SCX35)
ADC_CHANNEL_DCDCGPU = 17,
ADC_CHANNEL_DCDCWRF = 18,
ADC_CHANNEL_VBATBK = 19,
ADC_CHANNEL_HEADMIC = 20,
ADC_CHANNEL_LDO0 = 21,
ADC_CHANNEL_LDO1 = 22,
ADC_CHANNEL_LDO2 = 23,
ADC_CHANNEL_WHTLED = 24,
ADC_CHANNEL_OTP = 25,
ADC_CHANNEL_LPLDO0 = 26, /*SIM0/SIM1/SIM2/EMMCCORE/VDD28/VDD25/USB, Low power mode reference*/
ADC_CHANNEL_LPLDO1 = 27, /*CAMD/EMMCIO/VDD18/AVDD18/CAMIO/CLSG, Low power mode reference*/
ADC_CHANNEL_LPLDO2 = 28, /*RF0/RF1/RF2/CAMA/SD/CAMMOT, Low power mode reference*/
ADC_CHANNEL_WHTLED_VFB = 29,
ADC_CHANNEL_USBDP = 30,
ADC_CHANNEL_USBDM = 31,
ADC_MAX = 31,
#endif
};
struct adc_sample_data {
int sample_num; /* from 1 to 15 */
int sample_bits; /*0: 10bits mode, 1:12 bits mode */
int signal_mode; /*0:resistance,1:capacitance */
int sample_speed; /*0:quick mode, 1: slow mode */
int scale; /*0:little scale, 1:big scale */
int hw_channel_delay; /*0:disable, 1:enable */
int channel_id; /*channel id of software, Or dedicatid hw channel number */
int channel_type; /*0: software, 1: slow hardware , 2: fast hardware */
int *pbuf;
};
void sci_adc_init(void);
void sci_adc_dump_register(void);
/*
* Use this interface to get adc values and you can config adc sample behavior.
* The max number adc value is 16 now, Pls notice the return value;
*/
int sci_adc_get_values(struct adc_sample_data *adc);
/*
* get adc channel voltage divider ratio.
*/
void sci_adc_get_vol_ratio(unsigned int channel_id, int scale, unsigned int* div_numerators,
unsigned int* div_denominators );
/*
* get mux adc channel voltage divider ratio.
*/
unsigned int sci_adc_get_ratio(unsigned int channel_id, int scale, int mux);
/*
* Use this interface to get one adc value and this function have set default
* adc sample behavior.
*/
static inline int sci_adc_get_value(unsigned int channel, int scale)
{
struct adc_sample_data adc;
int32_t result[1];
adc.channel_id = channel;
adc.channel_type = 0;
adc.hw_channel_delay = 0;
adc.pbuf = &result[0];
adc.sample_bits = 1;
adc.sample_num = 1;
adc.sample_speed = 0;
adc.scale = scale;
adc.signal_mode = 0;
if (0 != sci_adc_get_values(&adc)) {
printk("sci_adc_get_value, return error\n");
sci_adc_dump_register();
BUG();
}
return result[0];
}
/*
* get adc channel raw data
*/
int sci_get_adc_data(unsigned int channel, unsigned int scale);
/*
* get adc channel voltage
*/
int sci_adc_vol_request(unsigned int channel, int scale, int mux, int* adc_data);
/*
* Use this interface to get adc value by current sense
*/
int sci_adc_get_value_by_isen(unsigned int channel, int scale, int isen);
#endif
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