2010-03-19 05:25:51 -06:00
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/*
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* ALSA SoC TWL6040 codec driver
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*
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* Author: Misael Lopez Cruz <x0052729@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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2010-03-29 00:55:51 -06:00
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#include <linux/slab.h>
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2010-03-19 05:25:51 -06:00
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#include <linux/i2c/twl.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include "twl6040.h"
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2010-12-10 20:05:58 -07:00
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#define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
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2010-12-14 18:00:21 -07:00
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#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
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#define TWL6040_OUTHS_0dB 0x00
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#define TWL6040_OUTHS_M30dB 0x0F
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#define TWL6040_OUTHF_0dB 0x03
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#define TWL6040_OUTHF_M52dB 0x1D
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#define TWL6040_RAMP_NONE 0
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#define TWL6040_RAMP_UP 1
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#define TWL6040_RAMP_DOWN 2
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#define TWL6040_HSL_VOL_MASK 0x0F
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#define TWL6040_HSL_VOL_SHIFT 0
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#define TWL6040_HSR_VOL_MASK 0xF0
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#define TWL6040_HSR_VOL_SHIFT 4
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#define TWL6040_HF_VOL_MASK 0x1F
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#define TWL6040_HF_VOL_SHIFT 0
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struct twl6040_output {
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u16 active;
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u16 left_vol;
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u16 right_vol;
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u16 left_step;
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u16 right_step;
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unsigned int step_delay;
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u16 ramp;
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u16 mute;
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struct completion ramp_done;
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};
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2010-03-19 05:25:51 -06:00
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2010-12-10 19:45:17 -07:00
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struct twl6040_jack_data {
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struct snd_soc_jack *jack;
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int report;
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};
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2010-03-19 05:25:51 -06:00
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/* codec private data */
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struct twl6040_data {
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int audpwron;
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int naudint;
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int codec_powered;
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int pll;
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int non_lp;
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unsigned int sysclk;
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struct snd_pcm_hw_constraint_list *sysclk_constraints;
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struct completion ready;
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2010-12-10 19:45:17 -07:00
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struct twl6040_jack_data hs_jack;
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struct snd_soc_codec *codec;
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struct workqueue_struct *workqueue;
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struct delayed_work delayed_work;
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struct mutex mutex;
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2010-12-14 18:00:21 -07:00
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struct twl6040_output headset;
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struct twl6040_output handsfree;
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struct workqueue_struct *hf_workqueue;
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struct workqueue_struct *hs_workqueue;
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struct delayed_work hs_delayed_work;
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struct delayed_work hf_delayed_work;
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2010-03-19 05:25:51 -06:00
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};
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/*
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* twl6040 register cache & default register settings
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*/
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static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
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0x00, /* not used 0x00 */
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0x4B, /* TWL6040_ASICID (ro) 0x01 */
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0x00, /* TWL6040_ASICREV (ro) 0x02 */
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0x00, /* TWL6040_INTID 0x03 */
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0x00, /* TWL6040_INTMR 0x04 */
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0x00, /* TWL6040_NCPCTRL 0x05 */
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0x00, /* TWL6040_LDOCTL 0x06 */
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0x60, /* TWL6040_HPPLLCTL 0x07 */
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0x00, /* TWL6040_LPPLLCTL 0x08 */
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0x4A, /* TWL6040_LPPLLDIV 0x09 */
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0x00, /* TWL6040_AMICBCTL 0x0A */
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0x00, /* TWL6040_DMICBCTL 0x0B */
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0x18, /* TWL6040_MICLCTL 0x0C - No input selected on Left Mic */
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0x18, /* TWL6040_MICRCTL 0x0D - No input selected on Right Mic */
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0x00, /* TWL6040_MICGAIN 0x0E */
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0x1B, /* TWL6040_LINEGAIN 0x0F */
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0x00, /* TWL6040_HSLCTL 0x10 */
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0x00, /* TWL6040_HSRCTL 0x11 */
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0x00, /* TWL6040_HSGAIN 0x12 */
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0x00, /* TWL6040_EARCTL 0x13 */
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0x00, /* TWL6040_HFLCTL 0x14 */
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0x00, /* TWL6040_HFLGAIN 0x15 */
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0x00, /* TWL6040_HFRCTL 0x16 */
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0x00, /* TWL6040_HFRGAIN 0x17 */
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0x00, /* TWL6040_VIBCTLL 0x18 */
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0x00, /* TWL6040_VIBDATL 0x19 */
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0x00, /* TWL6040_VIBCTLR 0x1A */
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0x00, /* TWL6040_VIBDATR 0x1B */
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0x00, /* TWL6040_HKCTL1 0x1C */
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0x00, /* TWL6040_HKCTL2 0x1D */
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0x00, /* TWL6040_GPOCTL 0x1E */
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0x00, /* TWL6040_ALB 0x1F */
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0x00, /* TWL6040_DLB 0x20 */
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0x00, /* not used 0x21 */
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0x00, /* not used 0x22 */
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0x00, /* not used 0x23 */
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0x00, /* not used 0x24 */
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0x00, /* not used 0x25 */
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0x00, /* not used 0x26 */
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0x00, /* not used 0x27 */
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0x00, /* TWL6040_TRIM1 0x28 */
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0x00, /* TWL6040_TRIM2 0x29 */
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0x00, /* TWL6040_TRIM3 0x2A */
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0x00, /* TWL6040_HSOTRIM 0x2B */
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0x00, /* TWL6040_HFOTRIM 0x2C */
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0x09, /* TWL6040_ACCCTL 0x2D */
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0x00, /* TWL6040_STATUS (ro) 0x2E */
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};
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/*
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* twl6040 vio/gnd registers:
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* registers under vio/gnd supply can be accessed
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* before the power-up sequence, after NRESPWRON goes high
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*/
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static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = {
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TWL6040_REG_ASICID,
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TWL6040_REG_ASICREV,
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TWL6040_REG_INTID,
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TWL6040_REG_INTMR,
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TWL6040_REG_NCPCTL,
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TWL6040_REG_LDOCTL,
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TWL6040_REG_AMICBCTL,
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TWL6040_REG_DMICBCTL,
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TWL6040_REG_HKCTL1,
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TWL6040_REG_HKCTL2,
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TWL6040_REG_GPOCTL,
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TWL6040_REG_TRIM1,
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TWL6040_REG_TRIM2,
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TWL6040_REG_TRIM3,
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TWL6040_REG_HSOTRIM,
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TWL6040_REG_HFOTRIM,
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TWL6040_REG_ACCCTL,
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TWL6040_REG_STATUS,
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};
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/*
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* twl6040 vdd/vss registers:
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* registers under vdd/vss supplies can only be accessed
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* after the power-up sequence
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*/
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static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = {
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TWL6040_REG_HPPLLCTL,
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TWL6040_REG_LPPLLCTL,
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TWL6040_REG_LPPLLDIV,
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TWL6040_REG_MICLCTL,
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TWL6040_REG_MICRCTL,
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TWL6040_REG_MICGAIN,
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TWL6040_REG_LINEGAIN,
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TWL6040_REG_HSLCTL,
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TWL6040_REG_HSRCTL,
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TWL6040_REG_HSGAIN,
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TWL6040_REG_EARCTL,
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TWL6040_REG_HFLCTL,
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TWL6040_REG_HFLGAIN,
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TWL6040_REG_HFRCTL,
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TWL6040_REG_HFRGAIN,
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TWL6040_REG_VIBCTLL,
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TWL6040_REG_VIBDATL,
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TWL6040_REG_VIBCTLR,
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TWL6040_REG_VIBDATR,
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TWL6040_REG_ALB,
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TWL6040_REG_DLB,
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};
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/*
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* read twl6040 register cache
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*/
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static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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u8 *cache = codec->reg_cache;
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if (reg >= TWL6040_CACHEREGNUM)
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return -EIO;
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return cache[reg];
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}
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/*
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* write twl6040 register cache
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*/
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static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
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u8 reg, u8 value)
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{
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u8 *cache = codec->reg_cache;
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if (reg >= TWL6040_CACHEREGNUM)
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return;
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cache[reg] = value;
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}
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/*
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* read from twl6040 hardware register
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*/
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static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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u8 value;
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if (reg >= TWL6040_CACHEREGNUM)
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return -EIO;
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2010-12-10 20:05:24 -07:00
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twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &value, reg);
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2010-03-19 05:25:51 -06:00
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twl6040_write_reg_cache(codec, reg, value);
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return value;
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}
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/*
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* write to the twl6040 register space
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*/
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static int twl6040_write(struct snd_soc_codec *codec,
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unsigned int reg, unsigned int value)
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{
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if (reg >= TWL6040_CACHEREGNUM)
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return -EIO;
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twl6040_write_reg_cache(codec, reg, value);
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2010-12-10 20:05:24 -07:00
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return twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, value, reg);
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2010-03-19 05:25:51 -06:00
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}
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static void twl6040_init_vio_regs(struct snd_soc_codec *codec)
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{
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u8 *cache = codec->reg_cache;
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int reg, i;
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/* allow registers to be accessed by i2c */
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twl6040_write(codec, TWL6040_REG_ACCCTL, cache[TWL6040_REG_ACCCTL]);
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for (i = 0; i < TWL6040_VIOREGNUM; i++) {
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reg = twl6040_vio_reg[i];
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/* skip read-only registers (ASICID, ASICREV, STATUS) */
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switch (reg) {
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case TWL6040_REG_ASICID:
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case TWL6040_REG_ASICREV:
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case TWL6040_REG_STATUS:
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continue;
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default:
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break;
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}
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twl6040_write(codec, reg, cache[reg]);
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}
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}
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static void twl6040_init_vdd_regs(struct snd_soc_codec *codec)
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{
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u8 *cache = codec->reg_cache;
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int reg, i;
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for (i = 0; i < TWL6040_VDDREGNUM; i++) {
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reg = twl6040_vdd_reg[i];
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twl6040_write(codec, reg, cache[reg]);
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}
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}
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2010-12-14 18:00:21 -07:00
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/*
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* Ramp HS PGA volume to minimise pops at stream startup and shutdown.
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*/
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static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
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unsigned int left_step, unsigned int right_step)
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{
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struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
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struct twl6040_output *headset = &priv->headset;
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int left_complete = 0, right_complete = 0;
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u8 reg, val;
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/* left channel */
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left_step = (left_step > 0xF) ? 0xF : left_step;
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reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
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val = (~reg & TWL6040_HSL_VOL_MASK);
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if (headset->ramp == TWL6040_RAMP_UP) {
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/* ramp step up */
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if (val < headset->left_vol) {
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val += left_step;
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reg &= ~TWL6040_HSL_VOL_MASK;
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twl6040_write(codec, TWL6040_REG_HSGAIN,
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(reg | (~val & TWL6040_HSL_VOL_MASK)));
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} else {
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left_complete = 1;
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}
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} else if (headset->ramp == TWL6040_RAMP_DOWN) {
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/* ramp step down */
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if (val > 0x0) {
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val -= left_step;
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reg &= ~TWL6040_HSL_VOL_MASK;
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twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
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(~val & TWL6040_HSL_VOL_MASK));
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} else {
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left_complete = 1;
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}
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}
|
|
|
|
|
|
|
|
/* right channel */
|
|
|
|
right_step = (right_step > 0xF) ? 0xF : right_step;
|
|
|
|
reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
|
|
|
|
val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
|
|
|
|
|
|
|
|
if (headset->ramp == TWL6040_RAMP_UP) {
|
|
|
|
/* ramp step up */
|
|
|
|
if (val < headset->right_vol) {
|
|
|
|
val += right_step;
|
|
|
|
reg &= ~TWL6040_HSR_VOL_MASK;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HSGAIN,
|
|
|
|
(reg | (~val << TWL6040_HSR_VOL_SHIFT)));
|
|
|
|
} else {
|
|
|
|
right_complete = 1;
|
|
|
|
}
|
|
|
|
} else if (headset->ramp == TWL6040_RAMP_DOWN) {
|
|
|
|
/* ramp step down */
|
|
|
|
if (val > 0x0) {
|
|
|
|
val -= right_step;
|
|
|
|
reg &= ~TWL6040_HSR_VOL_MASK;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HSGAIN,
|
|
|
|
reg | (~val << TWL6040_HSR_VOL_SHIFT));
|
|
|
|
} else {
|
|
|
|
right_complete = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return left_complete & right_complete;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Ramp HF PGA volume to minimise pops at stream startup and shutdown.
|
|
|
|
*/
|
|
|
|
static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
|
|
|
|
unsigned int left_step, unsigned int right_step)
|
|
|
|
{
|
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_output *handsfree = &priv->handsfree;
|
|
|
|
int left_complete = 0, right_complete = 0;
|
|
|
|
u16 reg, val;
|
|
|
|
|
|
|
|
/* left channel */
|
|
|
|
left_step = (left_step > 0x1D) ? 0x1D : left_step;
|
|
|
|
reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
|
|
|
|
reg = 0x1D - reg;
|
|
|
|
val = (reg & TWL6040_HF_VOL_MASK);
|
|
|
|
if (handsfree->ramp == TWL6040_RAMP_UP) {
|
|
|
|
/* ramp step up */
|
|
|
|
if (val < handsfree->left_vol) {
|
|
|
|
val += left_step;
|
|
|
|
reg &= ~TWL6040_HF_VOL_MASK;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HFLGAIN,
|
|
|
|
reg | (0x1D - val));
|
|
|
|
} else {
|
|
|
|
left_complete = 1;
|
|
|
|
}
|
|
|
|
} else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
|
|
|
|
/* ramp step down */
|
|
|
|
if (val > 0) {
|
|
|
|
val -= left_step;
|
|
|
|
reg &= ~TWL6040_HF_VOL_MASK;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HFLGAIN,
|
|
|
|
reg | (0x1D - val));
|
|
|
|
} else {
|
|
|
|
left_complete = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* right channel */
|
|
|
|
right_step = (right_step > 0x1D) ? 0x1D : right_step;
|
|
|
|
reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
|
|
|
|
reg = 0x1D - reg;
|
|
|
|
val = (reg & TWL6040_HF_VOL_MASK);
|
|
|
|
if (handsfree->ramp == TWL6040_RAMP_UP) {
|
|
|
|
/* ramp step up */
|
|
|
|
if (val < handsfree->right_vol) {
|
|
|
|
val += right_step;
|
|
|
|
reg &= ~TWL6040_HF_VOL_MASK;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HFRGAIN,
|
|
|
|
reg | (0x1D - val));
|
|
|
|
} else {
|
|
|
|
right_complete = 1;
|
|
|
|
}
|
|
|
|
} else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
|
|
|
|
/* ramp step down */
|
|
|
|
if (val > 0) {
|
|
|
|
val -= right_step;
|
|
|
|
reg &= ~TWL6040_HF_VOL_MASK;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HFRGAIN,
|
|
|
|
reg | (0x1D - val));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return left_complete & right_complete;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This work ramps both output PGAs at stream start/stop time to
|
|
|
|
* minimise pop associated with DAPM power switching.
|
|
|
|
*/
|
|
|
|
static void twl6040_pga_hs_work(struct work_struct *work)
|
|
|
|
{
|
|
|
|
struct twl6040_data *priv =
|
|
|
|
container_of(work, struct twl6040_data, hs_delayed_work.work);
|
|
|
|
struct snd_soc_codec *codec = priv->codec;
|
|
|
|
struct twl6040_output *headset = &priv->headset;
|
|
|
|
unsigned int delay = headset->step_delay;
|
|
|
|
int i, headset_complete;
|
|
|
|
|
|
|
|
/* do we need to ramp at all ? */
|
|
|
|
if (headset->ramp == TWL6040_RAMP_NONE)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* HS PGA volumes have 4 bits of resolution to ramp */
|
|
|
|
for (i = 0; i <= 16; i++) {
|
|
|
|
headset_complete = 1;
|
|
|
|
if (headset->ramp != TWL6040_RAMP_NONE)
|
|
|
|
headset_complete = twl6040_hs_ramp_step(codec,
|
|
|
|
headset->left_step,
|
|
|
|
headset->right_step);
|
|
|
|
|
|
|
|
/* ramp finished ? */
|
|
|
|
if (headset_complete)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TODO: tune: delay is longer over 0dB
|
|
|
|
* as increases are larger.
|
|
|
|
*/
|
|
|
|
if (i >= 8)
|
|
|
|
schedule_timeout_interruptible(msecs_to_jiffies(delay +
|
|
|
|
(delay >> 1)));
|
|
|
|
else
|
|
|
|
schedule_timeout_interruptible(msecs_to_jiffies(delay));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (headset->ramp == TWL6040_RAMP_DOWN) {
|
|
|
|
headset->active = 0;
|
|
|
|
complete(&headset->ramp_done);
|
|
|
|
} else {
|
|
|
|
headset->active = 1;
|
|
|
|
}
|
|
|
|
headset->ramp = TWL6040_RAMP_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void twl6040_pga_hf_work(struct work_struct *work)
|
|
|
|
{
|
|
|
|
struct twl6040_data *priv =
|
|
|
|
container_of(work, struct twl6040_data, hf_delayed_work.work);
|
|
|
|
struct snd_soc_codec *codec = priv->codec;
|
|
|
|
struct twl6040_output *handsfree = &priv->handsfree;
|
|
|
|
unsigned int delay = handsfree->step_delay;
|
|
|
|
int i, handsfree_complete;
|
|
|
|
|
|
|
|
/* do we need to ramp at all ? */
|
|
|
|
if (handsfree->ramp == TWL6040_RAMP_NONE)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* HF PGA volumes have 5 bits of resolution to ramp */
|
|
|
|
for (i = 0; i <= 32; i++) {
|
|
|
|
handsfree_complete = 1;
|
|
|
|
if (handsfree->ramp != TWL6040_RAMP_NONE)
|
|
|
|
handsfree_complete = twl6040_hf_ramp_step(codec,
|
|
|
|
handsfree->left_step,
|
|
|
|
handsfree->right_step);
|
|
|
|
|
|
|
|
/* ramp finished ? */
|
|
|
|
if (handsfree_complete)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TODO: tune: delay is longer over 0dB
|
|
|
|
* as increases are larger.
|
|
|
|
*/
|
|
|
|
if (i >= 16)
|
|
|
|
schedule_timeout_interruptible(msecs_to_jiffies(delay +
|
|
|
|
(delay >> 1)));
|
|
|
|
else
|
|
|
|
schedule_timeout_interruptible(msecs_to_jiffies(delay));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (handsfree->ramp == TWL6040_RAMP_DOWN) {
|
|
|
|
handsfree->active = 0;
|
|
|
|
complete(&handsfree->ramp_done);
|
|
|
|
} else
|
|
|
|
handsfree->active = 1;
|
|
|
|
handsfree->ramp = TWL6040_RAMP_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int pga_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = w->codec;
|
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_output *out;
|
|
|
|
struct delayed_work *work;
|
|
|
|
struct workqueue_struct *queue;
|
|
|
|
|
|
|
|
switch (w->shift) {
|
|
|
|
case 2:
|
|
|
|
case 3:
|
|
|
|
out = &priv->headset;
|
|
|
|
work = &priv->hs_delayed_work;
|
|
|
|
queue = priv->hs_workqueue;
|
|
|
|
out->step_delay = 5; /* 5 ms between volume ramp steps */
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
out = &priv->handsfree;
|
|
|
|
work = &priv->hf_delayed_work;
|
|
|
|
queue = priv->hf_workqueue;
|
|
|
|
out->step_delay = 5; /* 5 ms between volume ramp steps */
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
|
|
priv->non_lp++;
|
|
|
|
else
|
|
|
|
priv->non_lp--;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
|
|
if (out->active)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* don't use volume ramp for power-up */
|
|
|
|
out->left_step = out->left_vol;
|
|
|
|
out->right_step = out->right_vol;
|
|
|
|
|
|
|
|
if (!delayed_work_pending(work)) {
|
|
|
|
out->ramp = TWL6040_RAMP_UP;
|
|
|
|
queue_delayed_work(queue, work,
|
|
|
|
msecs_to_jiffies(1));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SND_SOC_DAPM_PRE_PMD:
|
|
|
|
if (!out->active)
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (!delayed_work_pending(work)) {
|
|
|
|
/* use volume ramp for power-down */
|
|
|
|
out->left_step = 1;
|
|
|
|
out->right_step = 1;
|
|
|
|
out->ramp = TWL6040_RAMP_DOWN;
|
|
|
|
INIT_COMPLETION(out->ramp_done);
|
|
|
|
|
|
|
|
queue_delayed_work(queue, work,
|
|
|
|
msecs_to_jiffies(1));
|
|
|
|
|
|
|
|
wait_for_completion_timeout(&out->ramp_done,
|
|
|
|
msecs_to_jiffies(2000));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/* twl6040 codec manual power-up sequence */
|
|
|
|
static void twl6040_power_up(struct snd_soc_codec *codec)
|
|
|
|
{
|
|
|
|
u8 ncpctl, ldoctl, lppllctl, accctl;
|
|
|
|
|
|
|
|
ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL);
|
|
|
|
ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL);
|
|
|
|
lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL);
|
|
|
|
accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL);
|
|
|
|
|
|
|
|
/* enable reference system */
|
|
|
|
ldoctl |= TWL6040_REFENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
msleep(10);
|
|
|
|
/* enable internal oscillator */
|
|
|
|
ldoctl |= TWL6040_OSCENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
udelay(10);
|
|
|
|
/* enable high-side ldo */
|
|
|
|
ldoctl |= TWL6040_HSLDOENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
udelay(244);
|
|
|
|
/* enable negative charge pump */
|
|
|
|
ncpctl |= TWL6040_NCPENA | TWL6040_NCPOPEN;
|
|
|
|
twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl);
|
|
|
|
udelay(488);
|
|
|
|
/* enable low-side ldo */
|
|
|
|
ldoctl |= TWL6040_LSLDOENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
udelay(244);
|
|
|
|
/* enable low-power pll */
|
|
|
|
lppllctl |= TWL6040_LPLLENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
/* reset state machine */
|
|
|
|
accctl |= TWL6040_RESETSPLIT;
|
|
|
|
twl6040_write(codec, TWL6040_REG_ACCCTL, accctl);
|
|
|
|
mdelay(5);
|
|
|
|
accctl &= ~TWL6040_RESETSPLIT;
|
|
|
|
twl6040_write(codec, TWL6040_REG_ACCCTL, accctl);
|
|
|
|
/* disable internal oscillator */
|
|
|
|
ldoctl &= ~TWL6040_OSCENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* twl6040 codec manual power-down sequence */
|
|
|
|
static void twl6040_power_down(struct snd_soc_codec *codec)
|
|
|
|
{
|
|
|
|
u8 ncpctl, ldoctl, lppllctl, accctl;
|
|
|
|
|
|
|
|
ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL);
|
|
|
|
ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL);
|
|
|
|
lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL);
|
|
|
|
accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL);
|
|
|
|
|
|
|
|
/* enable internal oscillator */
|
|
|
|
ldoctl |= TWL6040_OSCENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
udelay(10);
|
|
|
|
/* disable low-power pll */
|
|
|
|
lppllctl &= ~TWL6040_LPLLENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
/* disable low-side ldo */
|
|
|
|
ldoctl &= ~TWL6040_LSLDOENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
udelay(244);
|
|
|
|
/* disable negative charge pump */
|
|
|
|
ncpctl &= ~(TWL6040_NCPENA | TWL6040_NCPOPEN);
|
|
|
|
twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl);
|
|
|
|
udelay(488);
|
|
|
|
/* disable high-side ldo */
|
|
|
|
ldoctl &= ~TWL6040_HSLDOENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
udelay(244);
|
|
|
|
/* disable internal oscillator */
|
|
|
|
ldoctl &= ~TWL6040_OSCENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
/* disable reference system */
|
|
|
|
ldoctl &= ~TWL6040_REFENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl);
|
|
|
|
msleep(10);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set headset dac and driver power mode */
|
|
|
|
static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
|
|
|
|
{
|
|
|
|
int hslctl, hsrctl;
|
|
|
|
int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
|
|
|
|
|
|
|
|
hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
|
|
|
|
hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
|
|
|
|
|
|
|
|
if (high_perf) {
|
|
|
|
hslctl &= ~mask;
|
|
|
|
hsrctl &= ~mask;
|
|
|
|
} else {
|
|
|
|
hslctl |= mask;
|
|
|
|
hsrctl |= mask;
|
|
|
|
}
|
|
|
|
|
|
|
|
twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
|
|
|
|
twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-15 10:38:01 -06:00
|
|
|
static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
msleep(1);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = w->codec;
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
|
|
priv->non_lp++;
|
|
|
|
else
|
|
|
|
priv->non_lp--;
|
|
|
|
|
2010-07-15 10:38:01 -06:00
|
|
|
msleep(1);
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-01-20 14:43:44 -07:00
|
|
|
static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
|
|
|
|
struct snd_soc_jack *jack, int report)
|
2010-12-10 19:45:17 -07:00
|
|
|
{
|
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
int status;
|
|
|
|
|
|
|
|
mutex_lock(&priv->mutex);
|
|
|
|
|
|
|
|
/* Sync status */
|
|
|
|
status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
|
|
|
|
if (status & TWL6040_PLUGCOMP)
|
|
|
|
snd_soc_jack_report(jack, report, report);
|
|
|
|
else
|
|
|
|
snd_soc_jack_report(jack, 0, report);
|
|
|
|
|
|
|
|
mutex_unlock(&priv->mutex);
|
|
|
|
}
|
|
|
|
|
|
|
|
void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
|
|
|
|
struct snd_soc_jack *jack, int report)
|
|
|
|
{
|
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_jack_data *hs_jack = &priv->hs_jack;
|
|
|
|
|
|
|
|
hs_jack->jack = jack;
|
|
|
|
hs_jack->report = report;
|
|
|
|
|
|
|
|
twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
|
|
|
|
|
|
|
|
static void twl6040_accessory_work(struct work_struct *work)
|
|
|
|
{
|
|
|
|
struct twl6040_data *priv = container_of(work,
|
|
|
|
struct twl6040_data, delayed_work.work);
|
|
|
|
struct snd_soc_codec *codec = priv->codec;
|
|
|
|
struct twl6040_jack_data *hs_jack = &priv->hs_jack;
|
|
|
|
|
|
|
|
twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
|
|
|
|
}
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/* audio interrupt handler */
|
|
|
|
static irqreturn_t twl6040_naudint_handler(int irq, void *data)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = data;
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
u8 intid;
|
|
|
|
|
2010-12-10 20:05:24 -07:00
|
|
|
twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:30 -07:00
|
|
|
if (intid & TWL6040_THINT)
|
2010-03-19 05:25:51 -06:00
|
|
|
dev_alert(codec->dev, "die temp over-limit detection\n");
|
2010-12-10 20:05:30 -07:00
|
|
|
|
|
|
|
if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
|
2010-12-10 19:45:17 -07:00
|
|
|
queue_delayed_work(priv->workqueue, &priv->delayed_work,
|
|
|
|
msecs_to_jiffies(200));
|
2010-12-10 20:05:30 -07:00
|
|
|
|
|
|
|
if (intid & TWL6040_HOOKINT)
|
|
|
|
dev_info(codec->dev, "hook detection\n");
|
|
|
|
|
|
|
|
if (intid & TWL6040_HFINT)
|
2010-03-19 05:25:51 -06:00
|
|
|
dev_alert(codec->dev, "hf drivers over current detection\n");
|
2010-12-10 20:05:30 -07:00
|
|
|
|
|
|
|
if (intid & TWL6040_VIBINT)
|
2010-03-19 05:25:51 -06:00
|
|
|
dev_alert(codec->dev, "vib drivers over current detection\n");
|
2010-12-10 20:05:30 -07:00
|
|
|
|
|
|
|
if (intid & TWL6040_READYINT)
|
2010-03-19 05:25:51 -06:00
|
|
|
complete(&priv->ready);
|
|
|
|
|
|
|
|
return IRQ_HANDLED;
|
|
|
|
}
|
|
|
|
|
2010-12-14 18:00:21 -07:00
|
|
|
static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_output *out = NULL;
|
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
|
|
|
int ret;
|
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
|
|
|
|
/* For HS and HF we shadow the values and only actually write
|
|
|
|
* them out when active in order to ensure the amplifier comes on
|
|
|
|
* as quietly as possible. */
|
|
|
|
switch (reg) {
|
|
|
|
case TWL6040_REG_HSGAIN:
|
|
|
|
out = &twl6040_priv->headset;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (out) {
|
|
|
|
out->left_vol = ucontrol->value.integer.value[0];
|
|
|
|
out->right_vol = ucontrol->value.integer.value[1];
|
|
|
|
if (!out->active)
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = snd_soc_put_volsw(kcontrol, ucontrol);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_output *out = &twl6040_priv->headset;
|
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
|
|
|
|
switch (reg) {
|
|
|
|
case TWL6040_REG_HSGAIN:
|
|
|
|
out = &twl6040_priv->headset;
|
|
|
|
ucontrol->value.integer.value[0] = out->left_vol;
|
|
|
|
ucontrol->value.integer.value[1] = out->right_vol;
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snd_soc_get_volsw(kcontrol, ucontrol);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_output *out = NULL;
|
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
|
|
|
int ret;
|
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
|
|
|
|
/* For HS and HF we shadow the values and only actually write
|
|
|
|
* them out when active in order to ensure the amplifier comes on
|
|
|
|
* as quietly as possible. */
|
|
|
|
switch (reg) {
|
|
|
|
case TWL6040_REG_HFLGAIN:
|
|
|
|
case TWL6040_REG_HFRGAIN:
|
|
|
|
out = &twl6040_priv->handsfree;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (out) {
|
|
|
|
out->left_vol = ucontrol->value.integer.value[0];
|
|
|
|
out->right_vol = ucontrol->value.integer.value[1];
|
|
|
|
if (!out->active)
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
struct twl6040_output *out = &twl6040_priv->handsfree;
|
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
|
|
|
|
/* If these are cached registers use the cache */
|
|
|
|
switch (reg) {
|
|
|
|
case TWL6040_REG_HFLGAIN:
|
|
|
|
case TWL6040_REG_HFRGAIN:
|
|
|
|
out = &twl6040_priv->handsfree;
|
|
|
|
ucontrol->value.integer.value[0] = out->left_vol;
|
|
|
|
ucontrol->value.integer.value[1] = out->right_vol;
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snd_soc_get_volsw_2r(kcontrol, ucontrol);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* double control with volume update */
|
|
|
|
#define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
|
|
|
|
xinvert, tlv_array)\
|
|
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
|
|
|
|
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
|
|
|
|
SNDRV_CTL_ELEM_ACCESS_READWRITE,\
|
|
|
|
.tlv.p = (tlv_array), \
|
|
|
|
.info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
|
|
|
|
.put = twl6040_put_volsw, \
|
|
|
|
.private_value = (unsigned long)&(struct soc_mixer_control) \
|
|
|
|
{.reg = xreg, .shift = shift_left, .rshift = shift_right,\
|
|
|
|
.max = xmax, .platform_max = xmax, .invert = xinvert} }
|
|
|
|
|
|
|
|
/* double control with volume update */
|
|
|
|
#define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
|
|
|
|
xinvert, tlv_array)\
|
|
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
|
|
|
|
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
|
|
|
|
SNDRV_CTL_ELEM_ACCESS_READWRITE | \
|
|
|
|
SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
|
|
|
|
.tlv.p = (tlv_array), \
|
|
|
|
.info = snd_soc_info_volsw_2r, \
|
|
|
|
.get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
|
|
|
|
.private_value = (unsigned long)&(struct soc_mixer_control) \
|
|
|
|
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
|
|
|
|
.rshift = xshift, .max = xmax, .invert = xinvert}, }
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/*
|
|
|
|
* MICATT volume control:
|
|
|
|
* from -6 to 0 dB in 6 dB steps
|
|
|
|
*/
|
|
|
|
static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* MICGAIN volume control:
|
2010-12-10 20:06:39 -07:00
|
|
|
* from -6 to 30 dB in 6 dB steps
|
2010-03-19 05:25:51 -06:00
|
|
|
*/
|
2010-12-10 20:06:39 -07:00
|
|
|
static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -600, 600, 0);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
/*
|
|
|
|
* AFMGAIN volume control:
|
|
|
|
* from 18 to 24 dB in 6 dB steps
|
|
|
|
*/
|
|
|
|
static DECLARE_TLV_DB_SCALE(afm_amp_tlv, 1800, 600, 0);
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/*
|
|
|
|
* HSGAIN volume control:
|
|
|
|
* from -30 to 0 dB in 2 dB steps
|
|
|
|
*/
|
|
|
|
static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HFGAIN volume control:
|
|
|
|
* from -52 to 6 dB in 2 dB steps
|
|
|
|
*/
|
|
|
|
static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
|
|
|
|
|
2010-05-18 11:44:18 -06:00
|
|
|
/*
|
|
|
|
* EPGAIN volume control:
|
|
|
|
* from -24 to 6 dB in 2 dB steps
|
|
|
|
*/
|
|
|
|
static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/* Left analog microphone selection */
|
|
|
|
static const char *twl6040_amicl_texts[] =
|
|
|
|
{"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
|
|
|
|
|
|
|
|
/* Right analog microphone selection */
|
|
|
|
static const char *twl6040_amicr_texts[] =
|
|
|
|
{"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
|
|
|
|
|
|
|
|
static const struct soc_enum twl6040_enum[] = {
|
2010-12-10 20:06:03 -07:00
|
|
|
SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
|
|
|
|
SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
|
2010-03-19 05:25:51 -06:00
|
|
|
};
|
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
static const char *twl6040_hs_texts[] = {
|
|
|
|
"Off", "HS DAC", "Line-In amp"
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct soc_enum twl6040_hs_enum[] = {
|
|
|
|
SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
|
|
|
|
twl6040_hs_texts),
|
|
|
|
SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
|
|
|
|
twl6040_hs_texts),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const char *twl6040_hf_texts[] = {
|
|
|
|
"Off", "HF DAC", "Line-In amp"
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct soc_enum twl6040_hf_enum[] = {
|
|
|
|
SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
|
|
|
|
twl6040_hf_texts),
|
|
|
|
SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
|
|
|
|
twl6040_hf_texts),
|
|
|
|
};
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
static const struct snd_kcontrol_new amicl_control =
|
|
|
|
SOC_DAPM_ENUM("Route", twl6040_enum[0]);
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new amicr_control =
|
|
|
|
SOC_DAPM_ENUM("Route", twl6040_enum[1]);
|
|
|
|
|
|
|
|
/* Headset DAC playback switches */
|
2010-12-10 20:05:32 -07:00
|
|
|
static const struct snd_kcontrol_new hsl_mux_controls =
|
|
|
|
SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
static const struct snd_kcontrol_new hsr_mux_controls =
|
|
|
|
SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
/* Handsfree DAC playback switches */
|
2010-12-10 20:05:32 -07:00
|
|
|
static const struct snd_kcontrol_new hfl_mux_controls =
|
|
|
|
SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
static const struct snd_kcontrol_new hfr_mux_controls =
|
|
|
|
SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-05-18 11:44:18 -06:00
|
|
|
static const struct snd_kcontrol_new ep_driver_switch_controls =
|
|
|
|
SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
static const struct snd_kcontrol_new twl6040_snd_controls[] = {
|
|
|
|
/* Capture gains */
|
|
|
|
SOC_DOUBLE_TLV("Capture Preamplifier Volume",
|
|
|
|
TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
|
|
|
|
SOC_DOUBLE_TLV("Capture Volume",
|
|
|
|
TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
|
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
/* AFM gains */
|
|
|
|
SOC_DOUBLE_TLV("Aux FM Volume",
|
2010-12-10 20:06:34 -07:00
|
|
|
TWL6040_REG_LINEGAIN, 0, 4, 0xF, 0, afm_amp_tlv),
|
2010-12-10 20:05:32 -07:00
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/* Playback gains */
|
2010-12-14 18:00:21 -07:00
|
|
|
SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
|
2010-03-19 05:25:51 -06:00
|
|
|
TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
|
2010-12-14 18:00:21 -07:00
|
|
|
SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
|
2010-03-19 05:25:51 -06:00
|
|
|
TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
|
2010-05-18 11:44:18 -06:00
|
|
|
SOC_SINGLE_TLV("Earphone Playback Volume",
|
|
|
|
TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
|
2010-03-19 05:25:51 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
|
|
|
|
/* Inputs */
|
|
|
|
SND_SOC_DAPM_INPUT("MAINMIC"),
|
|
|
|
SND_SOC_DAPM_INPUT("HSMIC"),
|
|
|
|
SND_SOC_DAPM_INPUT("SUBMIC"),
|
|
|
|
SND_SOC_DAPM_INPUT("AFML"),
|
|
|
|
SND_SOC_DAPM_INPUT("AFMR"),
|
|
|
|
|
|
|
|
/* Outputs */
|
|
|
|
SND_SOC_DAPM_OUTPUT("HSOL"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("HSOR"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("HFL"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("HFR"),
|
2010-05-18 11:44:18 -06:00
|
|
|
SND_SOC_DAPM_OUTPUT("EP"),
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
/* Analog input muxes for the capture amplifiers */
|
|
|
|
SND_SOC_DAPM_MUX("Analog Left Capture Route",
|
|
|
|
SND_SOC_NOPM, 0, 0, &amicl_control),
|
|
|
|
SND_SOC_DAPM_MUX("Analog Right Capture Route",
|
|
|
|
SND_SOC_NOPM, 0, 0, &amicr_control),
|
|
|
|
|
|
|
|
/* Analog capture PGAs */
|
|
|
|
SND_SOC_DAPM_PGA("MicAmpL",
|
|
|
|
TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_PGA("MicAmpR",
|
|
|
|
TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
|
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
/* Auxiliary FM PGAs */
|
|
|
|
SND_SOC_DAPM_PGA("AFMAmpL",
|
|
|
|
TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_PGA("AFMAmpR",
|
|
|
|
TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/* ADCs */
|
|
|
|
SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
|
|
|
|
TWL6040_REG_MICLCTL, 2, 0),
|
|
|
|
SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
|
|
|
|
TWL6040_REG_MICRCTL, 2, 0),
|
|
|
|
|
|
|
|
/* Microphone bias */
|
|
|
|
SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
|
|
|
|
TWL6040_REG_AMICBCTL, 0, 0),
|
|
|
|
SND_SOC_DAPM_MICBIAS("Main Mic Bias",
|
|
|
|
TWL6040_REG_AMICBCTL, 4, 0),
|
|
|
|
SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
|
|
|
|
TWL6040_REG_DMICBCTL, 0, 0),
|
|
|
|
SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
|
|
|
|
TWL6040_REG_DMICBCTL, 4, 0),
|
|
|
|
|
|
|
|
/* DACs */
|
2010-07-15 10:38:01 -06:00
|
|
|
SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
|
|
|
|
TWL6040_REG_HSLCTL, 0, 0,
|
|
|
|
twl6040_hs_dac_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
|
|
|
|
TWL6040_REG_HSRCTL, 0, 0,
|
|
|
|
twl6040_hs_dac_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
2010-03-19 05:25:51 -06:00
|
|
|
SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
|
|
|
|
TWL6040_REG_HFLCTL, 0, 0,
|
|
|
|
twl6040_power_mode_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
|
|
|
|
TWL6040_REG_HFRCTL, 0, 0,
|
|
|
|
twl6040_power_mode_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
SND_SOC_DAPM_MUX("HF Left Playback",
|
|
|
|
SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
|
|
|
|
SND_SOC_DAPM_MUX("HF Right Playback",
|
|
|
|
SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
|
|
|
|
/* Analog playback Muxes */
|
|
|
|
SND_SOC_DAPM_MUX("HS Left Playback",
|
|
|
|
SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
|
|
|
|
SND_SOC_DAPM_MUX("HS Right Playback",
|
|
|
|
SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-07-15 10:38:01 -06:00
|
|
|
/* Analog playback drivers */
|
2010-12-20 09:39:20 -07:00
|
|
|
SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
|
2010-07-15 10:38:01 -06:00
|
|
|
TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
|
2010-12-14 18:00:21 -07:00
|
|
|
pga_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
2010-12-20 09:39:20 -07:00
|
|
|
SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
|
2010-07-15 10:38:01 -06:00
|
|
|
TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
|
2010-12-14 18:00:21 -07:00
|
|
|
pga_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
2010-12-20 09:39:20 -07:00
|
|
|
SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
|
2010-12-14 18:00:21 -07:00
|
|
|
TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
|
|
|
|
pga_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
2010-12-20 09:39:20 -07:00
|
|
|
SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
|
2010-12-14 18:00:21 -07:00
|
|
|
TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
|
|
|
|
pga_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
2010-05-18 11:44:18 -06:00
|
|
|
SND_SOC_DAPM_SWITCH_E("Earphone Driver",
|
|
|
|
SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
|
|
|
|
twl6040_power_mode_event,
|
|
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
/* Analog playback PGAs */
|
|
|
|
SND_SOC_DAPM_PGA("HFDAC Left PGA",
|
|
|
|
TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_PGA("HFDAC Right PGA",
|
|
|
|
TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_soc_dapm_route intercon[] = {
|
|
|
|
/* Capture path */
|
|
|
|
{"Analog Left Capture Route", "Headset Mic", "HSMIC"},
|
|
|
|
{"Analog Left Capture Route", "Main Mic", "MAINMIC"},
|
|
|
|
{"Analog Left Capture Route", "Aux/FM Left", "AFML"},
|
|
|
|
|
|
|
|
{"Analog Right Capture Route", "Headset Mic", "HSMIC"},
|
|
|
|
{"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
|
|
|
|
{"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
|
|
|
|
|
|
|
|
{"MicAmpL", NULL, "Analog Left Capture Route"},
|
|
|
|
{"MicAmpR", NULL, "Analog Right Capture Route"},
|
|
|
|
|
|
|
|
{"ADC Left", NULL, "MicAmpL"},
|
|
|
|
{"ADC Right", NULL, "MicAmpR"},
|
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
/* AFM path */
|
|
|
|
{"AFMAmpL", "NULL", "AFML"},
|
|
|
|
{"AFMAmpR", "NULL", "AFMR"},
|
|
|
|
|
|
|
|
{"HS Left Playback", "HS DAC", "HSDAC Left"},
|
|
|
|
{"HS Left Playback", "Line-In amp", "AFMAmpL"},
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
{"HS Right Playback", "HS DAC", "HSDAC Right"},
|
|
|
|
{"HS Right Playback", "Line-In amp", "AFMAmpR"},
|
|
|
|
|
|
|
|
{"Headset Left Driver", "NULL", "HS Left Playback"},
|
|
|
|
{"Headset Right Driver", "NULL", "HS Right Playback"},
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
{"HSOL", NULL, "Headset Left Driver"},
|
|
|
|
{"HSOR", NULL, "Headset Right Driver"},
|
|
|
|
|
2010-05-18 11:44:18 -06:00
|
|
|
/* Earphone playback path */
|
|
|
|
{"Earphone Driver", "Switch", "HSDAC Left"},
|
|
|
|
{"EP", NULL, "Earphone Driver"},
|
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
{"HF Left Playback", "HF DAC", "HFDAC Left"},
|
|
|
|
{"HF Left Playback", "Line-In amp", "AFMAmpL"},
|
|
|
|
|
|
|
|
{"HF Right Playback", "HF DAC", "HFDAC Right"},
|
|
|
|
{"HF Right Playback", "Line-In amp", "AFMAmpR"},
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:32 -07:00
|
|
|
{"HFDAC Left PGA", NULL, "HF Left Playback"},
|
|
|
|
{"HFDAC Right PGA", NULL, "HF Right Playback"},
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
{"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
|
|
|
|
{"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
|
|
|
|
|
|
|
|
{"HFL", NULL, "Handsfree Left Driver"},
|
|
|
|
{"HFR", NULL, "Handsfree Right Driver"},
|
|
|
|
};
|
|
|
|
|
|
|
|
static int twl6040_add_widgets(struct snd_soc_codec *codec)
|
|
|
|
{
|
2010-11-05 07:53:46 -06:00
|
|
|
struct snd_soc_dapm_context *dapm = &codec->dapm;
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-11-05 07:53:46 -06:00
|
|
|
snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
|
|
|
|
ARRAY_SIZE(twl6040_dapm_widgets));
|
|
|
|
snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
|
|
|
|
snd_soc_dapm_new_widgets(dapm);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_power_up_completion(struct snd_soc_codec *codec,
|
|
|
|
int naudint)
|
|
|
|
{
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
int time_left;
|
|
|
|
u8 intid;
|
|
|
|
|
|
|
|
time_left = wait_for_completion_timeout(&priv->ready,
|
2010-12-10 20:06:30 -07:00
|
|
|
msecs_to_jiffies(144));
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
if (!time_left) {
|
2010-12-10 20:05:24 -07:00
|
|
|
twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid,
|
2010-03-19 05:25:51 -06:00
|
|
|
TWL6040_REG_INTID);
|
|
|
|
if (!(intid & TWL6040_READYINT)) {
|
|
|
|
dev_err(codec->dev, "timeout waiting for READYINT\n");
|
|
|
|
return -ETIMEDOUT;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->codec_powered = 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_set_bias_level(struct snd_soc_codec *codec,
|
|
|
|
enum snd_soc_bias_level level)
|
|
|
|
{
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
int audpwron = priv->audpwron;
|
|
|
|
int naudint = priv->naudint;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
switch (level) {
|
|
|
|
case SND_SOC_BIAS_ON:
|
|
|
|
break;
|
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
|
|
break;
|
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
if (priv->codec_powered)
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (gpio_is_valid(audpwron)) {
|
|
|
|
/* use AUDPWRON line */
|
|
|
|
gpio_set_value(audpwron, 1);
|
|
|
|
|
|
|
|
/* wait for power-up completion */
|
|
|
|
ret = twl6040_power_up_completion(codec, naudint);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* sync registers updated during power-up sequence */
|
|
|
|
twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL);
|
|
|
|
twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL);
|
|
|
|
twl6040_read_reg_volatile(codec, TWL6040_REG_LPPLLCTL);
|
|
|
|
} else {
|
|
|
|
/* use manual power-up sequence */
|
|
|
|
twl6040_power_up(codec);
|
|
|
|
priv->codec_powered = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* initialize vdd/vss registers with reg_cache */
|
|
|
|
twl6040_init_vdd_regs(codec);
|
2010-12-14 18:18:36 -07:00
|
|
|
|
|
|
|
/* Set external boost GPO */
|
|
|
|
twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
|
|
|
|
|
|
|
|
/* Set initial minimal gain values */
|
|
|
|
twl6040_write(codec, TWL6040_REG_HSGAIN, 0xFF);
|
|
|
|
twl6040_write(codec, TWL6040_REG_EARCTL, 0x1E);
|
|
|
|
twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1D);
|
|
|
|
twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1D);
|
2010-03-19 05:25:51 -06:00
|
|
|
break;
|
|
|
|
case SND_SOC_BIAS_OFF:
|
|
|
|
if (!priv->codec_powered)
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (gpio_is_valid(audpwron)) {
|
|
|
|
/* use AUDPWRON line */
|
|
|
|
gpio_set_value(audpwron, 0);
|
|
|
|
|
|
|
|
/* power-down sequence latency */
|
|
|
|
udelay(500);
|
|
|
|
|
|
|
|
/* sync registers updated during power-down sequence */
|
|
|
|
twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL);
|
|
|
|
twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL);
|
|
|
|
twl6040_write_reg_cache(codec, TWL6040_REG_LPPLLCTL,
|
|
|
|
0x00);
|
|
|
|
} else {
|
|
|
|
/* use manual power-down sequence */
|
|
|
|
twl6040_power_down(codec);
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->codec_powered = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2010-11-05 07:53:46 -06:00
|
|
|
codec->dapm.bias_level = level;
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set of rates for each pll: low-power and high-performance */
|
|
|
|
|
|
|
|
static unsigned int lp_rates[] = {
|
|
|
|
88200,
|
|
|
|
96000,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_pcm_hw_constraint_list lp_constraints = {
|
|
|
|
.count = ARRAY_SIZE(lp_rates),
|
|
|
|
.list = lp_rates,
|
|
|
|
};
|
|
|
|
|
|
|
|
static unsigned int hp_rates[] = {
|
|
|
|
96000,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_pcm_hw_constraint_list hp_constraints = {
|
|
|
|
.count = ARRAY_SIZE(hp_rates),
|
|
|
|
.list = hp_rates,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int twl6040_startup(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
2010-03-17 14:15:21 -06:00
|
|
|
struct snd_soc_codec *codec = rtd->codec;
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
snd_pcm_hw_constraint_list(substream->runtime, 0,
|
|
|
|
SNDRV_PCM_HW_PARAM_RATE,
|
|
|
|
priv->sysclk_constraints);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_pcm_hw_params *params,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
2010-03-17 14:15:21 -06:00
|
|
|
struct snd_soc_codec *codec = rtd->codec;
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
u8 lppllctl;
|
|
|
|
int rate;
|
|
|
|
|
|
|
|
/* nothing to do for high-perf pll, it supports only 48 kHz */
|
|
|
|
if (priv->pll == TWL6040_HPPLL_ID)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL);
|
|
|
|
|
|
|
|
rate = params_rate(params);
|
|
|
|
switch (rate) {
|
2010-12-10 20:05:58 -07:00
|
|
|
case 11250:
|
|
|
|
case 22500:
|
|
|
|
case 44100:
|
2010-03-19 05:25:51 -06:00
|
|
|
case 88200:
|
|
|
|
lppllctl |= TWL6040_LPLLFIN;
|
|
|
|
priv->sysclk = 17640000;
|
|
|
|
break;
|
2010-12-10 20:05:58 -07:00
|
|
|
case 8000:
|
|
|
|
case 16000:
|
|
|
|
case 32000:
|
|
|
|
case 48000:
|
2010-03-19 05:25:51 -06:00
|
|
|
case 96000:
|
|
|
|
lppllctl &= ~TWL6040_LPLLFIN;
|
|
|
|
priv->sysclk = 19200000;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
dev_err(codec->dev, "unsupported rate %d\n", rate);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-12-10 20:05:54 -07:00
|
|
|
static int twl6040_prepare(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
2010-03-19 05:25:51 -06:00
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
2010-03-17 14:15:21 -06:00
|
|
|
struct snd_soc_codec *codec = rtd->codec;
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 20:05:54 -07:00
|
|
|
if (!priv->sysclk) {
|
|
|
|
dev_err(codec->dev,
|
|
|
|
"no mclk configured, call set_sysclk() on init\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* capture is not supported at 17.64 MHz,
|
|
|
|
* it's reserved for headset low-power playback scenario
|
|
|
|
*/
|
|
|
|
if ((priv->sysclk == 17640000) &&
|
|
|
|
substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
|
|
|
|
dev_err(codec->dev,
|
|
|
|
"capture mode is not supported at %dHz\n",
|
|
|
|
priv->sysclk);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((priv->sysclk == 17640000) && priv->non_lp) {
|
2010-03-19 05:25:51 -06:00
|
|
|
dev_err(codec->dev,
|
|
|
|
"some enabled paths aren't supported at %dHz\n",
|
|
|
|
priv->sysclk);
|
|
|
|
return -EPERM;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
|
|
|
|
int clk_id, unsigned int freq, int dir)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
2010-04-20 00:20:31 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
u8 hppllctl, lppllctl;
|
|
|
|
|
|
|
|
hppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_HPPLLCTL);
|
|
|
|
lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL);
|
|
|
|
|
|
|
|
switch (clk_id) {
|
|
|
|
case TWL6040_SYSCLK_SEL_LPPLL:
|
|
|
|
switch (freq) {
|
|
|
|
case 32768:
|
|
|
|
/* headset dac and driver must be in low-power mode */
|
|
|
|
headset_power_mode(codec, 0);
|
|
|
|
|
|
|
|
/* clk32k input requires low-power pll */
|
|
|
|
lppllctl |= TWL6040_LPLLENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
mdelay(5);
|
|
|
|
lppllctl &= ~TWL6040_HPLLSEL;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
hppllctl &= ~TWL6040_HPLLENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
dev_err(codec->dev, "unknown mclk freq %d\n", freq);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* lppll divider */
|
|
|
|
switch (priv->sysclk) {
|
|
|
|
case 17640000:
|
|
|
|
lppllctl |= TWL6040_LPLLFIN;
|
|
|
|
break;
|
|
|
|
case 19200000:
|
|
|
|
lppllctl &= ~TWL6040_LPLLFIN;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/* sysclk not yet configured */
|
|
|
|
lppllctl &= ~TWL6040_LPLLFIN;
|
|
|
|
priv->sysclk = 19200000;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
|
|
|
|
priv->pll = TWL6040_LPPLL_ID;
|
|
|
|
priv->sysclk_constraints = &lp_constraints;
|
|
|
|
break;
|
|
|
|
case TWL6040_SYSCLK_SEL_HPPLL:
|
|
|
|
hppllctl &= ~TWL6040_MCLK_MSK;
|
|
|
|
|
|
|
|
switch (freq) {
|
|
|
|
case 12000000:
|
|
|
|
/* mclk input, pll enabled */
|
|
|
|
hppllctl |= TWL6040_MCLK_12000KHZ |
|
|
|
|
TWL6040_HPLLSQRBP |
|
|
|
|
TWL6040_HPLLENA;
|
|
|
|
break;
|
|
|
|
case 19200000:
|
|
|
|
/* mclk input, pll disabled */
|
|
|
|
hppllctl |= TWL6040_MCLK_19200KHZ |
|
2010-05-20 16:53:07 -06:00
|
|
|
TWL6040_HPLLSQRENA |
|
2010-03-19 05:25:51 -06:00
|
|
|
TWL6040_HPLLBP;
|
|
|
|
break;
|
|
|
|
case 26000000:
|
|
|
|
/* mclk input, pll enabled */
|
|
|
|
hppllctl |= TWL6040_MCLK_26000KHZ |
|
|
|
|
TWL6040_HPLLSQRBP |
|
|
|
|
TWL6040_HPLLENA;
|
|
|
|
break;
|
|
|
|
case 38400000:
|
|
|
|
/* clk slicer, pll disabled */
|
|
|
|
hppllctl |= TWL6040_MCLK_38400KHZ |
|
|
|
|
TWL6040_HPLLSQRENA |
|
|
|
|
TWL6040_HPLLBP;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
dev_err(codec->dev, "unknown mclk freq %d\n", freq);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* headset dac and driver must be in high-performance mode */
|
|
|
|
headset_power_mode(codec, 1);
|
|
|
|
|
|
|
|
twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl);
|
|
|
|
udelay(500);
|
|
|
|
lppllctl |= TWL6040_HPLLSEL;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
lppllctl &= ~TWL6040_LPLLENA;
|
|
|
|
twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl);
|
|
|
|
|
|
|
|
/* high-performance pll can provide only 19.2 MHz */
|
|
|
|
priv->pll = TWL6040_HPPLL_ID;
|
|
|
|
priv->sysclk = 19200000;
|
|
|
|
priv->sysclk_constraints = &hp_constraints;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_dai_ops twl6040_dai_ops = {
|
|
|
|
.startup = twl6040_startup,
|
|
|
|
.hw_params = twl6040_hw_params,
|
2010-12-10 20:05:54 -07:00
|
|
|
.prepare = twl6040_prepare,
|
2010-03-19 05:25:51 -06:00
|
|
|
.set_sysclk = twl6040_set_dai_sysclk,
|
|
|
|
};
|
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
static struct snd_soc_dai_driver twl6040_dai = {
|
|
|
|
.name = "twl6040-hifi",
|
2010-03-19 05:25:51 -06:00
|
|
|
.playback = {
|
|
|
|
.stream_name = "Playback",
|
|
|
|
.channels_min = 1,
|
|
|
|
.channels_max = 4,
|
|
|
|
.rates = TWL6040_RATES,
|
|
|
|
.formats = TWL6040_FORMATS,
|
|
|
|
},
|
|
|
|
.capture = {
|
|
|
|
.stream_name = "Capture",
|
|
|
|
.channels_min = 1,
|
|
|
|
.channels_max = 2,
|
|
|
|
.rates = TWL6040_RATES,
|
|
|
|
.formats = TWL6040_FORMATS,
|
|
|
|
},
|
|
|
|
.ops = &twl6040_dai_ops,
|
|
|
|
};
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2010-03-17 14:15:21 -06:00
|
|
|
static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
|
2010-03-19 05:25:51 -06:00
|
|
|
{
|
|
|
|
twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
static int twl6040_resume(struct snd_soc_codec *codec)
|
2010-03-19 05:25:51 -06:00
|
|
|
{
|
|
|
|
twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
2010-12-10 20:05:46 -07:00
|
|
|
twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
#define twl6040_suspend NULL
|
|
|
|
#define twl6040_resume NULL
|
|
|
|
#endif
|
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
static int twl6040_probe(struct snd_soc_codec *codec)
|
2010-03-19 05:25:51 -06:00
|
|
|
{
|
2010-03-17 14:15:21 -06:00
|
|
|
struct twl4030_codec_data *twl_codec = codec->dev->platform_data;
|
2010-03-19 05:25:51 -06:00
|
|
|
struct twl6040_data *priv;
|
|
|
|
int audpwron, naudint;
|
|
|
|
int ret = 0;
|
2010-12-10 20:06:24 -07:00
|
|
|
u8 icrev, intmr = TWL6040_ALLINT_MSK;
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
|
|
|
|
if (priv == NULL)
|
|
|
|
return -ENOMEM;
|
2010-03-17 14:15:21 -06:00
|
|
|
snd_soc_codec_set_drvdata(codec, priv);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 19:45:17 -07:00
|
|
|
priv->codec = codec;
|
|
|
|
|
2010-12-10 20:06:07 -07:00
|
|
|
twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &icrev, TWL6040_REG_ASICREV);
|
|
|
|
|
|
|
|
if (twl_codec && (icrev > 0))
|
2010-03-19 05:25:51 -06:00
|
|
|
audpwron = twl_codec->audpwron_gpio;
|
2010-12-10 20:06:07 -07:00
|
|
|
else
|
2010-03-19 05:25:51 -06:00
|
|
|
audpwron = -EINVAL;
|
2010-12-10 20:06:07 -07:00
|
|
|
|
|
|
|
if (twl_codec)
|
|
|
|
naudint = twl_codec->naudint_irq;
|
|
|
|
else
|
2010-03-19 05:25:51 -06:00
|
|
|
naudint = 0;
|
|
|
|
|
|
|
|
priv->audpwron = audpwron;
|
|
|
|
priv->naudint = naudint;
|
2010-12-10 19:45:17 -07:00
|
|
|
priv->workqueue = create_singlethread_workqueue("twl6040-codec");
|
|
|
|
|
2011-03-26 01:53:58 -06:00
|
|
|
if (!priv->workqueue) {
|
|
|
|
ret = -ENOMEM;
|
2010-12-10 19:45:17 -07:00
|
|
|
goto work_err;
|
2011-03-26 01:53:58 -06:00
|
|
|
}
|
2010-12-10 19:45:17 -07:00
|
|
|
|
|
|
|
INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
|
|
|
|
|
|
|
|
mutex_init(&priv->mutex);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
init_completion(&priv->ready);
|
2010-12-14 18:00:21 -07:00
|
|
|
init_completion(&priv->headset.ramp_done);
|
|
|
|
init_completion(&priv->handsfree.ramp_done);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
if (gpio_is_valid(audpwron)) {
|
|
|
|
ret = gpio_request(audpwron, "audpwron");
|
|
|
|
if (ret)
|
|
|
|
goto gpio1_err;
|
|
|
|
|
|
|
|
ret = gpio_direction_output(audpwron, 0);
|
|
|
|
if (ret)
|
|
|
|
goto gpio2_err;
|
|
|
|
|
|
|
|
priv->codec_powered = 0;
|
2010-12-10 20:06:13 -07:00
|
|
|
|
|
|
|
/* enable only codec ready interrupt */
|
2010-12-10 20:06:24 -07:00
|
|
|
intmr &= ~(TWL6040_READYMSK | TWL6040_PLUGMSK);
|
2010-12-10 20:06:13 -07:00
|
|
|
|
|
|
|
/* reset interrupt status to allow correct power up sequence */
|
|
|
|
twl6040_read_reg_volatile(codec, TWL6040_REG_INTID);
|
2010-03-19 05:25:51 -06:00
|
|
|
}
|
2010-12-10 20:06:24 -07:00
|
|
|
twl6040_write(codec, TWL6040_REG_INTMR, intmr);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
if (naudint) {
|
|
|
|
/* audio interrupt */
|
|
|
|
ret = request_threaded_irq(naudint, NULL,
|
|
|
|
twl6040_naudint_handler,
|
|
|
|
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
|
|
|
|
"twl6040_codec", codec);
|
|
|
|
if (ret)
|
|
|
|
goto gpio2_err;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* init vio registers */
|
|
|
|
twl6040_init_vio_regs(codec);
|
|
|
|
|
2010-12-14 18:00:21 -07:00
|
|
|
priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
|
|
|
|
if (priv->hf_workqueue == NULL) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto irq_err;
|
|
|
|
}
|
|
|
|
priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
|
|
|
|
if (priv->hs_workqueue == NULL) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto wq_err;
|
|
|
|
}
|
|
|
|
|
|
|
|
INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
|
|
|
|
INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
/* power on device */
|
|
|
|
ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
|
|
if (ret)
|
2010-12-14 18:00:21 -07:00
|
|
|
goto bias_err;
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
snd_soc_add_controls(codec, twl6040_snd_controls,
|
|
|
|
ARRAY_SIZE(twl6040_snd_controls));
|
|
|
|
twl6040_add_widgets(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
2010-12-14 18:00:21 -07:00
|
|
|
bias_err:
|
|
|
|
destroy_workqueue(priv->hs_workqueue);
|
|
|
|
wq_err:
|
|
|
|
destroy_workqueue(priv->hf_workqueue);
|
2010-03-19 05:25:51 -06:00
|
|
|
irq_err:
|
|
|
|
if (naudint)
|
|
|
|
free_irq(naudint, codec);
|
|
|
|
gpio2_err:
|
|
|
|
if (gpio_is_valid(audpwron))
|
|
|
|
gpio_free(audpwron);
|
|
|
|
gpio1_err:
|
2010-12-10 19:45:17 -07:00
|
|
|
destroy_workqueue(priv->workqueue);
|
|
|
|
work_err:
|
2010-03-19 05:25:51 -06:00
|
|
|
kfree(priv);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
static int twl6040_remove(struct snd_soc_codec *codec)
|
2010-03-19 05:25:51 -06:00
|
|
|
{
|
2010-03-17 14:15:21 -06:00
|
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
int audpwron = priv->audpwron;
|
|
|
|
int naudint = priv->naudint;
|
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
|
2010-03-19 05:25:51 -06:00
|
|
|
if (gpio_is_valid(audpwron))
|
|
|
|
gpio_free(audpwron);
|
|
|
|
|
|
|
|
if (naudint)
|
2010-03-17 14:15:21 -06:00
|
|
|
free_irq(naudint, codec);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-12-10 19:45:17 -07:00
|
|
|
destroy_workqueue(priv->workqueue);
|
2010-12-14 18:00:21 -07:00
|
|
|
destroy_workqueue(priv->hf_workqueue);
|
|
|
|
destroy_workqueue(priv->hs_workqueue);
|
2010-03-17 14:15:21 -06:00
|
|
|
kfree(priv);
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
return 0;
|
|
|
|
}
|
2010-03-19 05:25:51 -06:00
|
|
|
|
2010-03-17 14:15:21 -06:00
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
|
|
|
|
.probe = twl6040_probe,
|
|
|
|
.remove = twl6040_remove,
|
|
|
|
.suspend = twl6040_suspend,
|
|
|
|
.resume = twl6040_resume,
|
|
|
|
.read = twl6040_read_reg_cache,
|
|
|
|
.write = twl6040_write,
|
|
|
|
.set_bias_level = twl6040_set_bias_level,
|
|
|
|
.reg_cache_size = ARRAY_SIZE(twl6040_reg),
|
|
|
|
.reg_word_size = sizeof(u8),
|
|
|
|
.reg_cache_default = twl6040_reg,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __devinit twl6040_codec_probe(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
return snd_soc_register_codec(&pdev->dev,
|
|
|
|
&soc_codec_dev_twl6040, &twl6040_dai, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int __devexit twl6040_codec_remove(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
snd_soc_unregister_codec(&pdev->dev);
|
2010-03-19 05:25:51 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct platform_driver twl6040_codec_driver = {
|
|
|
|
.driver = {
|
2010-03-17 14:15:21 -06:00
|
|
|
.name = "twl6040-codec",
|
2010-03-19 05:25:51 -06:00
|
|
|
.owner = THIS_MODULE,
|
|
|
|
},
|
|
|
|
.probe = twl6040_codec_probe,
|
|
|
|
.remove = __devexit_p(twl6040_codec_remove),
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init twl6040_codec_init(void)
|
|
|
|
{
|
|
|
|
return platform_driver_register(&twl6040_codec_driver);
|
|
|
|
}
|
|
|
|
module_init(twl6040_codec_init);
|
|
|
|
|
|
|
|
static void __exit twl6040_codec_exit(void)
|
|
|
|
{
|
|
|
|
platform_driver_unregister(&twl6040_codec_driver);
|
|
|
|
}
|
|
|
|
module_exit(twl6040_codec_exit);
|
|
|
|
|
|
|
|
MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
|
|
|
|
MODULE_AUTHOR("Misael Lopez Cruz");
|
|
|
|
MODULE_LICENSE("GPL");
|