1165 строки
30 KiB
C
1165 строки
30 KiB
C
/*
|
|
* ALSA SoC TWL6040 codec driver
|
|
*
|
|
* Author: Misael Lopez Cruz <x0052729@ti.com>
|
|
*
|
|
* 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.
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/i2c/twl.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
#include <sound/initval.h>
|
|
#include <sound/tlv.h>
|
|
|
|
#include "twl6040.h"
|
|
|
|
#define TWL6040_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
|
|
#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
/* codec private data */
|
|
struct twl6040_data {
|
|
int audpwron;
|
|
int naudint;
|
|
int codec_powered;
|
|
int pll;
|
|
int non_lp;
|
|
unsigned int sysclk;
|
|
struct snd_pcm_hw_constraint_list *sysclk_constraints;
|
|
struct completion ready;
|
|
};
|
|
|
|
/*
|
|
* twl6040 register cache & default register settings
|
|
*/
|
|
static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
|
|
0x00, /* not used 0x00 */
|
|
0x4B, /* TWL6040_ASICID (ro) 0x01 */
|
|
0x00, /* TWL6040_ASICREV (ro) 0x02 */
|
|
0x00, /* TWL6040_INTID 0x03 */
|
|
0x00, /* TWL6040_INTMR 0x04 */
|
|
0x00, /* TWL6040_NCPCTRL 0x05 */
|
|
0x00, /* TWL6040_LDOCTL 0x06 */
|
|
0x60, /* TWL6040_HPPLLCTL 0x07 */
|
|
0x00, /* TWL6040_LPPLLCTL 0x08 */
|
|
0x4A, /* TWL6040_LPPLLDIV 0x09 */
|
|
0x00, /* TWL6040_AMICBCTL 0x0A */
|
|
0x00, /* TWL6040_DMICBCTL 0x0B */
|
|
0x18, /* TWL6040_MICLCTL 0x0C - No input selected on Left Mic */
|
|
0x18, /* TWL6040_MICRCTL 0x0D - No input selected on Right Mic */
|
|
0x00, /* TWL6040_MICGAIN 0x0E */
|
|
0x1B, /* TWL6040_LINEGAIN 0x0F */
|
|
0x00, /* TWL6040_HSLCTL 0x10 */
|
|
0x00, /* TWL6040_HSRCTL 0x11 */
|
|
0x00, /* TWL6040_HSGAIN 0x12 */
|
|
0x00, /* TWL6040_EARCTL 0x13 */
|
|
0x00, /* TWL6040_HFLCTL 0x14 */
|
|
0x00, /* TWL6040_HFLGAIN 0x15 */
|
|
0x00, /* TWL6040_HFRCTL 0x16 */
|
|
0x00, /* TWL6040_HFRGAIN 0x17 */
|
|
0x00, /* TWL6040_VIBCTLL 0x18 */
|
|
0x00, /* TWL6040_VIBDATL 0x19 */
|
|
0x00, /* TWL6040_VIBCTLR 0x1A */
|
|
0x00, /* TWL6040_VIBDATR 0x1B */
|
|
0x00, /* TWL6040_HKCTL1 0x1C */
|
|
0x00, /* TWL6040_HKCTL2 0x1D */
|
|
0x00, /* TWL6040_GPOCTL 0x1E */
|
|
0x00, /* TWL6040_ALB 0x1F */
|
|
0x00, /* TWL6040_DLB 0x20 */
|
|
0x00, /* not used 0x21 */
|
|
0x00, /* not used 0x22 */
|
|
0x00, /* not used 0x23 */
|
|
0x00, /* not used 0x24 */
|
|
0x00, /* not used 0x25 */
|
|
0x00, /* not used 0x26 */
|
|
0x00, /* not used 0x27 */
|
|
0x00, /* TWL6040_TRIM1 0x28 */
|
|
0x00, /* TWL6040_TRIM2 0x29 */
|
|
0x00, /* TWL6040_TRIM3 0x2A */
|
|
0x00, /* TWL6040_HSOTRIM 0x2B */
|
|
0x00, /* TWL6040_HFOTRIM 0x2C */
|
|
0x09, /* TWL6040_ACCCTL 0x2D */
|
|
0x00, /* TWL6040_STATUS (ro) 0x2E */
|
|
};
|
|
|
|
/*
|
|
* twl6040 vio/gnd registers:
|
|
* registers under vio/gnd supply can be accessed
|
|
* before the power-up sequence, after NRESPWRON goes high
|
|
*/
|
|
static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = {
|
|
TWL6040_REG_ASICID,
|
|
TWL6040_REG_ASICREV,
|
|
TWL6040_REG_INTID,
|
|
TWL6040_REG_INTMR,
|
|
TWL6040_REG_NCPCTL,
|
|
TWL6040_REG_LDOCTL,
|
|
TWL6040_REG_AMICBCTL,
|
|
TWL6040_REG_DMICBCTL,
|
|
TWL6040_REG_HKCTL1,
|
|
TWL6040_REG_HKCTL2,
|
|
TWL6040_REG_GPOCTL,
|
|
TWL6040_REG_TRIM1,
|
|
TWL6040_REG_TRIM2,
|
|
TWL6040_REG_TRIM3,
|
|
TWL6040_REG_HSOTRIM,
|
|
TWL6040_REG_HFOTRIM,
|
|
TWL6040_REG_ACCCTL,
|
|
TWL6040_REG_STATUS,
|
|
};
|
|
|
|
/*
|
|
* twl6040 vdd/vss registers:
|
|
* registers under vdd/vss supplies can only be accessed
|
|
* after the power-up sequence
|
|
*/
|
|
static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = {
|
|
TWL6040_REG_HPPLLCTL,
|
|
TWL6040_REG_LPPLLCTL,
|
|
TWL6040_REG_LPPLLDIV,
|
|
TWL6040_REG_MICLCTL,
|
|
TWL6040_REG_MICRCTL,
|
|
TWL6040_REG_MICGAIN,
|
|
TWL6040_REG_LINEGAIN,
|
|
TWL6040_REG_HSLCTL,
|
|
TWL6040_REG_HSRCTL,
|
|
TWL6040_REG_HSGAIN,
|
|
TWL6040_REG_EARCTL,
|
|
TWL6040_REG_HFLCTL,
|
|
TWL6040_REG_HFLGAIN,
|
|
TWL6040_REG_HFRCTL,
|
|
TWL6040_REG_HFRGAIN,
|
|
TWL6040_REG_VIBCTLL,
|
|
TWL6040_REG_VIBDATL,
|
|
TWL6040_REG_VIBCTLR,
|
|
TWL6040_REG_VIBDATR,
|
|
TWL6040_REG_ALB,
|
|
TWL6040_REG_DLB,
|
|
};
|
|
|
|
/*
|
|
* read twl6040 register cache
|
|
*/
|
|
static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
|
|
unsigned int reg)
|
|
{
|
|
u8 *cache = codec->reg_cache;
|
|
|
|
if (reg >= TWL6040_CACHEREGNUM)
|
|
return -EIO;
|
|
|
|
return cache[reg];
|
|
}
|
|
|
|
/*
|
|
* write twl6040 register cache
|
|
*/
|
|
static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
|
|
u8 reg, u8 value)
|
|
{
|
|
u8 *cache = codec->reg_cache;
|
|
|
|
if (reg >= TWL6040_CACHEREGNUM)
|
|
return;
|
|
cache[reg] = value;
|
|
}
|
|
|
|
/*
|
|
* read from twl6040 hardware register
|
|
*/
|
|
static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
|
|
unsigned int reg)
|
|
{
|
|
u8 value;
|
|
|
|
if (reg >= TWL6040_CACHEREGNUM)
|
|
return -EIO;
|
|
|
|
twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg);
|
|
twl6040_write_reg_cache(codec, reg, value);
|
|
|
|
return value;
|
|
}
|
|
|
|
/*
|
|
* write to the twl6040 register space
|
|
*/
|
|
static int twl6040_write(struct snd_soc_codec *codec,
|
|
unsigned int reg, unsigned int value)
|
|
{
|
|
if (reg >= TWL6040_CACHEREGNUM)
|
|
return -EIO;
|
|
|
|
twl6040_write_reg_cache(codec, reg, value);
|
|
return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
|
|
}
|
|
|
|
static void twl6040_init_vio_regs(struct snd_soc_codec *codec)
|
|
{
|
|
u8 *cache = codec->reg_cache;
|
|
int reg, i;
|
|
|
|
/* allow registers to be accessed by i2c */
|
|
twl6040_write(codec, TWL6040_REG_ACCCTL, cache[TWL6040_REG_ACCCTL]);
|
|
|
|
for (i = 0; i < TWL6040_VIOREGNUM; i++) {
|
|
reg = twl6040_vio_reg[i];
|
|
/* skip read-only registers (ASICID, ASICREV, STATUS) */
|
|
switch (reg) {
|
|
case TWL6040_REG_ASICID:
|
|
case TWL6040_REG_ASICREV:
|
|
case TWL6040_REG_STATUS:
|
|
continue;
|
|
default:
|
|
break;
|
|
}
|
|
twl6040_write(codec, reg, cache[reg]);
|
|
}
|
|
}
|
|
|
|
static void twl6040_init_vdd_regs(struct snd_soc_codec *codec)
|
|
{
|
|
u8 *cache = codec->reg_cache;
|
|
int reg, i;
|
|
|
|
for (i = 0; i < TWL6040_VDDREGNUM; i++) {
|
|
reg = twl6040_vdd_reg[i];
|
|
twl6040_write(codec, reg, cache[reg]);
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
msleep(1);
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
priv->non_lp++;
|
|
else
|
|
priv->non_lp--;
|
|
|
|
msleep(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* audio interrupt handler */
|
|
static irqreturn_t twl6040_naudint_handler(int irq, void *data)
|
|
{
|
|
struct snd_soc_codec *codec = data;
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
u8 intid;
|
|
|
|
twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID);
|
|
|
|
switch (intid) {
|
|
case TWL6040_THINT:
|
|
dev_alert(codec->dev, "die temp over-limit detection\n");
|
|
break;
|
|
case TWL6040_PLUGINT:
|
|
case TWL6040_UNPLUGINT:
|
|
case TWL6040_HOOKINT:
|
|
break;
|
|
case TWL6040_HFINT:
|
|
dev_alert(codec->dev, "hf drivers over current detection\n");
|
|
break;
|
|
case TWL6040_VIBINT:
|
|
dev_alert(codec->dev, "vib drivers over current detection\n");
|
|
break;
|
|
case TWL6040_READYINT:
|
|
complete(&priv->ready);
|
|
break;
|
|
default:
|
|
dev_err(codec->dev, "unknown audio interrupt %d\n", intid);
|
|
break;
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
* from 6 to 30 dB in 6 dB steps
|
|
*/
|
|
static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/*
|
|
* EPGAIN volume control:
|
|
* from -24 to 6 dB in 2 dB steps
|
|
*/
|
|
static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
|
|
|
|
/* 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[] = {
|
|
SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 3, twl6040_amicl_texts),
|
|
SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 3, twl6040_amicr_texts),
|
|
};
|
|
|
|
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 */
|
|
static const struct snd_kcontrol_new hsdacl_switch_controls =
|
|
SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSLCTL, 5, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new hsdacr_switch_controls =
|
|
SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSRCTL, 5, 1, 0);
|
|
|
|
/* Handsfree DAC playback switches */
|
|
static const struct snd_kcontrol_new hfdacl_switch_controls =
|
|
SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 2, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new hfdacr_switch_controls =
|
|
SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 2, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new ep_driver_switch_controls =
|
|
SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
|
|
|
|
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),
|
|
|
|
/* Playback gains */
|
|
SOC_DOUBLE_TLV("Headset Playback Volume",
|
|
TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
|
|
SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
|
|
TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
|
|
SOC_SINGLE_TLV("Earphone Playback Volume",
|
|
TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
|
|
};
|
|
|
|
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"),
|
|
SND_SOC_DAPM_OUTPUT("EP"),
|
|
|
|
/* 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),
|
|
|
|
/* 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 */
|
|
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),
|
|
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),
|
|
|
|
/* Analog playback switches */
|
|
SND_SOC_DAPM_SWITCH("HSDAC Left Playback",
|
|
SND_SOC_NOPM, 0, 0, &hsdacl_switch_controls),
|
|
SND_SOC_DAPM_SWITCH("HSDAC Right Playback",
|
|
SND_SOC_NOPM, 0, 0, &hsdacr_switch_controls),
|
|
SND_SOC_DAPM_SWITCH("HFDAC Left Playback",
|
|
SND_SOC_NOPM, 0, 0, &hfdacl_switch_controls),
|
|
SND_SOC_DAPM_SWITCH("HFDAC Right Playback",
|
|
SND_SOC_NOPM, 0, 0, &hfdacr_switch_controls),
|
|
|
|
/* Analog playback drivers */
|
|
SND_SOC_DAPM_PGA_E("Handsfree Left Driver",
|
|
TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
|
|
twl6040_power_mode_event,
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_PGA_E("Handsfree Right Driver",
|
|
TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
|
|
twl6040_power_mode_event,
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_PGA("Headset Left Driver",
|
|
TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Headset Right Driver",
|
|
TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
|
|
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),
|
|
|
|
/* 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"},
|
|
|
|
/* Headset playback path */
|
|
{"HSDAC Left Playback", "Switch", "HSDAC Left"},
|
|
{"HSDAC Right Playback", "Switch", "HSDAC Right"},
|
|
|
|
{"Headset Left Driver", NULL, "HSDAC Left Playback"},
|
|
{"Headset Right Driver", NULL, "HSDAC Right Playback"},
|
|
|
|
{"HSOL", NULL, "Headset Left Driver"},
|
|
{"HSOR", NULL, "Headset Right Driver"},
|
|
|
|
/* Earphone playback path */
|
|
{"Earphone Driver", "Switch", "HSDAC Left"},
|
|
{"EP", NULL, "Earphone Driver"},
|
|
|
|
/* Handsfree playback path */
|
|
{"HFDAC Left Playback", "Switch", "HFDAC Left"},
|
|
{"HFDAC Right Playback", "Switch", "HFDAC Right"},
|
|
|
|
{"HFDAC Left PGA", NULL, "HFDAC Left Playback"},
|
|
{"HFDAC Right PGA", NULL, "HFDAC Right Playback"},
|
|
|
|
{"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)
|
|
{
|
|
struct snd_soc_dapm_context *dapm = &codec->dapm;
|
|
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int twl6040_power_up_completion(struct snd_soc_codec *codec,
|
|
int naudint)
|
|
{
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
int time_left;
|
|
u8 intid;
|
|
|
|
time_left = wait_for_completion_timeout(&priv->ready,
|
|
msecs_to_jiffies(48));
|
|
|
|
if (!time_left) {
|
|
twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid,
|
|
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)
|
|
{
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
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);
|
|
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;
|
|
}
|
|
|
|
codec->dapm.bias_level = level;
|
|
|
|
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;
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
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) {
|
|
dev_err(codec->dev,
|
|
"capture mode is not supported at %dHz\n",
|
|
priv->sysclk);
|
|
return -EINVAL;
|
|
}
|
|
|
|
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;
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
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) {
|
|
case 88200:
|
|
lppllctl |= TWL6040_LPLLFIN;
|
|
priv->sysclk = 17640000;
|
|
break;
|
|
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;
|
|
}
|
|
|
|
static int twl6040_trigger(struct snd_pcm_substream *substream,
|
|
int cmd, struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
/*
|
|
* low-power playback mode is restricted
|
|
* for headset path only
|
|
*/
|
|
if ((priv->sysclk == 17640000) && priv->non_lp) {
|
|
dev_err(codec->dev,
|
|
"some enabled paths aren't supported at %dHz\n",
|
|
priv->sysclk);
|
|
return -EPERM;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
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;
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
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 |
|
|
TWL6040_HPLLSQRENA |
|
|
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,
|
|
.trigger = twl6040_trigger,
|
|
.set_sysclk = twl6040_set_dai_sysclk,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver twl6040_dai = {
|
|
.name = "twl6040-hifi",
|
|
.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
|
|
static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
|
|
{
|
|
twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int twl6040_resume(struct snd_soc_codec *codec)
|
|
{
|
|
twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
#define twl6040_suspend NULL
|
|
#define twl6040_resume NULL
|
|
#endif
|
|
|
|
static int twl6040_probe(struct snd_soc_codec *codec)
|
|
{
|
|
struct twl4030_codec_data *twl_codec = codec->dev->platform_data;
|
|
struct twl6040_data *priv;
|
|
int audpwron, naudint;
|
|
int ret = 0;
|
|
|
|
priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
|
|
if (priv == NULL)
|
|
return -ENOMEM;
|
|
snd_soc_codec_set_drvdata(codec, priv);
|
|
|
|
if (twl_codec) {
|
|
audpwron = twl_codec->audpwron_gpio;
|
|
naudint = twl_codec->naudint_irq;
|
|
} else {
|
|
audpwron = -EINVAL;
|
|
naudint = 0;
|
|
}
|
|
|
|
priv->audpwron = audpwron;
|
|
priv->naudint = naudint;
|
|
|
|
init_completion(&priv->ready);
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
} else {
|
|
if (gpio_is_valid(audpwron)) {
|
|
/* enable only codec ready interrupt */
|
|
twl6040_write_reg_cache(codec, TWL6040_REG_INTMR,
|
|
~TWL6040_READYMSK & TWL6040_ALLINT_MSK);
|
|
} else {
|
|
/* no interrupts at all */
|
|
twl6040_write_reg_cache(codec, TWL6040_REG_INTMR,
|
|
TWL6040_ALLINT_MSK);
|
|
}
|
|
}
|
|
|
|
/* init vio registers */
|
|
twl6040_init_vio_regs(codec);
|
|
|
|
/* power on device */
|
|
ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
if (ret)
|
|
goto irq_err;
|
|
|
|
snd_soc_add_controls(codec, twl6040_snd_controls,
|
|
ARRAY_SIZE(twl6040_snd_controls));
|
|
twl6040_add_widgets(codec);
|
|
|
|
return 0;
|
|
|
|
irq_err:
|
|
if (naudint)
|
|
free_irq(naudint, codec);
|
|
gpio2_err:
|
|
if (gpio_is_valid(audpwron))
|
|
gpio_free(audpwron);
|
|
gpio1_err:
|
|
kfree(priv);
|
|
return ret;
|
|
}
|
|
|
|
static int twl6040_remove(struct snd_soc_codec *codec)
|
|
{
|
|
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
|
|
int audpwron = priv->audpwron;
|
|
int naudint = priv->naudint;
|
|
|
|
twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
if (gpio_is_valid(audpwron))
|
|
gpio_free(audpwron);
|
|
|
|
if (naudint)
|
|
free_irq(naudint, codec);
|
|
|
|
kfree(priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver twl6040_codec_driver = {
|
|
.driver = {
|
|
.name = "twl6040-codec",
|
|
.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");
|