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linux-next/sound/soc/codecs/sn95031.h
Vinod Koul 36633237be ASoC: sn95031: Add support for reading mic bias
This patch adds support to read the mic bias voltage
when a jack is inserted. It uses ADC to measure.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Harsha Priya <priya.harsha@intel.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-02-09 22:32:53 +00:00

133 lines
4.1 KiB
C

/*
* sn95031.h - TI sn95031 Codec driver
*
* Copyright (C) 2010 Intel Corp
* Author: Vinod Koul <vinod.koul@intel.com>
* Author: Harsha Priya <priya.harsha@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
*
*/
#ifndef _SN95031_H
#define _SN95031_H
/*register map*/
#define SN95031_VAUD 0xDB
#define SN95031_VHSP 0xDC
#define SN95031_VHSN 0xDD
#define SN95031_VIHF 0xC9
#define SN95031_AUDPLLCTRL 0x240
#define SN95031_DMICBUF0123 0x241
#define SN95031_DMICBUF45 0x242
#define SN95031_DMICGPO 0x244
#define SN95031_DMICMUX 0x245
#define SN95031_DMICLK 0x246
#define SN95031_MICBIAS 0x247
#define SN95031_ADCCONFIG 0x248
#define SN95031_MICAMP1 0x249
#define SN95031_MICAMP2 0x24A
#define SN95031_NOISEMUX 0x24B
#define SN95031_AUDIOMUX12 0x24C
#define SN95031_AUDIOMUX34 0x24D
#define SN95031_AUDIOSINC 0x24E
#define SN95031_AUDIOTXEN 0x24F
#define SN95031_HSEPRXCTRL 0x250
#define SN95031_IHFRXCTRL 0x251
#define SN95031_HSMIXER 0x256
#define SN95031_DACCONFIG 0x257
#define SN95031_SOFTMUTE 0x258
#define SN95031_HSLVOLCTRL 0x259
#define SN95031_HSRVOLCTRL 0x25A
#define SN95031_IHFLVOLCTRL 0x25B
#define SN95031_IHFRVOLCTRL 0x25C
#define SN95031_DRIVEREN 0x25D
#define SN95031_LOCTL 0x25E
#define SN95031_VIB1C1 0x25F
#define SN95031_VIB1C2 0x260
#define SN95031_VIB1C3 0x261
#define SN95031_VIB1SPIPCM1 0x262
#define SN95031_VIB1SPIPCM2 0x263
#define SN95031_VIB1C5 0x264
#define SN95031_VIB2C1 0x265
#define SN95031_VIB2C2 0x266
#define SN95031_VIB2C3 0x267
#define SN95031_VIB2SPIPCM1 0x268
#define SN95031_VIB2SPIPCM2 0x269
#define SN95031_VIB2C5 0x26A
#define SN95031_BTNCTRL1 0x26B
#define SN95031_BTNCTRL2 0x26C
#define SN95031_PCM1TXSLOT01 0x26D
#define SN95031_PCM1TXSLOT23 0x26E
#define SN95031_PCM1TXSLOT45 0x26F
#define SN95031_PCM1RXSLOT0_3 0x270
#define SN95031_PCM1RXSLOT45 0x271
#define SN95031_PCM2TXSLOT01 0x272
#define SN95031_PCM2TXSLOT23 0x273
#define SN95031_PCM2TXSLOT45 0x274
#define SN95031_PCM2RXSLOT01 0x275
#define SN95031_PCM2RXSLOT23 0x276
#define SN95031_PCM2RXSLOT45 0x277
#define SN95031_PCM1C1 0x278
#define SN95031_PCM1C2 0x279
#define SN95031_PCM1C3 0x27A
#define SN95031_PCM2C1 0x27B
#define SN95031_PCM2C2 0x27C
/*end codec register defn*/
/*vendor defn these are not part of avp*/
#define SN95031_SSR2 0x381
#define SN95031_SSR3 0x382
#define SN95031_SSR5 0x384
#define SN95031_SSR6 0x385
/* ADC registers */
#define SN95031_ADC1CNTL1 0x1C0
#define SN95031_ADC_ENBL 0x10
#define SN95031_ADC_START 0x08
#define SN95031_ADC1CNTL3 0x1C2
#define SN95031_ADCTHERM_ENBL 0x04
#define SN95031_ADCRRDATA_ENBL 0x05
#define SN95031_STOPBIT_MASK 16
#define SN95031_ADCTHERM_MASK 4
#define SN95031_ADC_CHANLS_MAX 15 /* Number of ADC channels */
#define SN95031_ADC_LOOP_MAX (SN95031_ADC_CHANLS_MAX - 1)
#define SN95031_ADC_NO_LOOP 0x07
#define SN95031_AUDIO_GPIO_CTRL 0x070
/* ADC channel code values */
#define SN95031_AUDIO_DETECT_CODE 0x06
/* ADC base addresses */
#define SN95031_ADC_CHNL_START_ADDR 0x1C5 /* increments by 1 */
#define SN95031_ADC_DATA_START_ADDR 0x1D4 /* increments by 2 */
/* multipier to convert to mV */
#define SN95031_ADC_ONE_LSB_MULTIPLIER 2346
struct mfld_jack_data {
int intr_id;
int micbias_vol;
struct snd_soc_jack *mfld_jack;
};
extern void sn95031_jack_detection(struct mfld_jack_data *jack_data);
#endif