2015-09-12 13:26:24 +00:00
|
|
|
/*
|
|
|
|
* Copyright 2014 Emilio López <emilio@elopez.com.ar>
|
|
|
|
* Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
|
|
|
|
* Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
|
2015-10-27 21:00:45 +00:00
|
|
|
* Copyright 2015 Adam Sampson <ats@offog.org>
|
2015-09-12 13:26:24 +00:00
|
|
|
*
|
|
|
|
* Based on the Allwinner SDK driver, released under the GPL.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/delay.h>
|
|
|
|
#include <linux/slab.h>
|
|
|
|
#include <linux/of.h>
|
|
|
|
#include <linux/of_platform.h>
|
|
|
|
#include <linux/of_address.h>
|
|
|
|
#include <linux/clk.h>
|
|
|
|
#include <linux/regmap.h>
|
2015-12-11 18:43:57 +00:00
|
|
|
#include <linux/gpio/consumer.h>
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
#include <sound/core.h>
|
|
|
|
#include <sound/pcm.h>
|
|
|
|
#include <sound/pcm_params.h>
|
|
|
|
#include <sound/soc.h>
|
|
|
|
#include <sound/tlv.h>
|
|
|
|
#include <sound/initval.h>
|
|
|
|
#include <sound/dmaengine_pcm.h>
|
|
|
|
|
|
|
|
/* Codec DAC register offsets and bit fields */
|
|
|
|
#define SUN4I_CODEC_DAC_DPC (0x00)
|
|
|
|
#define SUN4I_CODEC_DAC_DPC_EN_DA (31)
|
|
|
|
#define SUN4I_CODEC_DAC_DPC_DVOL (12)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC (0x04)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_DAC_FS (29)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION (28)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT (26)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE (24)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT (21)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL (8)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_MONO_EN (6)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS (5)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN (4)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0)
|
|
|
|
#define SUN4I_CODEC_DAC_FIFOS (0x08)
|
|
|
|
#define SUN4I_CODEC_DAC_TXDATA (0x0c)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL (0x10)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_DACAENR (31)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_DACAENL (30)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_MIXEN (29)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_DACPAS (8)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_MIXPAS (7)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6)
|
|
|
|
#define SUN4I_CODEC_DAC_ACTL_PA_VOL (0)
|
|
|
|
#define SUN4I_CODEC_DAC_TUNE (0x14)
|
|
|
|
#define SUN4I_CODEC_DAC_DEBUG (0x18)
|
|
|
|
|
|
|
|
/* Codec ADC register offsets and bit fields */
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC (0x1c)
|
2015-11-30 15:37:47 +00:00
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29)
|
2015-09-12 13:26:24 +00:00
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_EN_AD (28)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE (24)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL (8)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_MONO_EN (7)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS (6)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN (4)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0)
|
|
|
|
#define SUN4I_CODEC_ADC_FIFOS (0x20)
|
|
|
|
#define SUN4I_CODEC_ADC_RXDATA (0x24)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL (0x28)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_PREG1EN (29)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_PREG2EN (28)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_VMICEN (27)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_VADCG (20)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_ADCIS (17)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_PA_EN (4)
|
|
|
|
#define SUN4I_CODEC_ADC_ACTL_DDE (3)
|
|
|
|
#define SUN4I_CODEC_ADC_DEBUG (0x2c)
|
|
|
|
|
|
|
|
/* Other various ADC registers */
|
|
|
|
#define SUN4I_CODEC_DAC_TXCNT (0x30)
|
|
|
|
#define SUN4I_CODEC_ADC_RXCNT (0x34)
|
2016-09-22 07:13:12 +00:00
|
|
|
#define SUN7I_CODEC_AC_DAC_CAL (0x38)
|
|
|
|
#define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
struct sun4i_codec {
|
|
|
|
struct device *dev;
|
|
|
|
struct regmap *regmap;
|
|
|
|
struct clk *clk_apb;
|
|
|
|
struct clk *clk_module;
|
2015-12-11 18:43:57 +00:00
|
|
|
struct gpio_desc *gpio_pa;
|
2015-09-12 13:26:24 +00:00
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
struct snd_dmaengine_dai_dma_data capture_dma_data;
|
2015-09-12 13:26:24 +00:00
|
|
|
struct snd_dmaengine_dai_dma_data playback_dma_data;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
|
|
|
|
{
|
|
|
|
/* Flush TX FIFO */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
|
|
|
|
|
|
|
|
/* Enable DAC DRQ */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
|
|
|
|
{
|
|
|
|
/* Disable DAC DRQ */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
|
|
|
|
0);
|
|
|
|
}
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
|
|
|
|
{
|
|
|
|
/* Enable ADC DRQ */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
|
|
|
|
{
|
|
|
|
/* Disable ADC DRQ */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
|
|
|
|
}
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
2015-11-30 15:37:47 +00:00
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
|
|
sun4i_codec_start_playback(scodec);
|
|
|
|
else
|
|
|
|
sun4i_codec_start_capture(scodec);
|
2015-09-12 13:26:24 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
2015-11-30 15:37:47 +00:00
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
|
|
sun4i_codec_stop_playback(scodec);
|
|
|
|
else
|
|
|
|
sun4i_codec_stop_capture(scodec);
|
2015-09-12 13:26:24 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
2015-09-12 13:26:24 +00:00
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
|
|
|
|
/* Flush RX FIFO */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH),
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
|
|
|
|
|
|
|
|
|
|
|
|
/* Set RX FIFO trigger level */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
|
|
|
|
0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* FIXME: Undocumented in the datasheet, but
|
|
|
|
* Allwinner's code mentions that it is related
|
|
|
|
* related to microphone gain
|
|
|
|
*/
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
|
|
|
|
0x3 << 25,
|
|
|
|
0x1 << 25);
|
|
|
|
|
|
|
|
if (of_device_is_compatible(scodec->dev->of_node,
|
|
|
|
"allwinner,sun7i-a20-codec"))
|
|
|
|
/* FIXME: Undocumented bits */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
|
|
|
|
0x3 << 8,
|
|
|
|
0x1 << 8);
|
|
|
|
|
|
|
|
/* Fill most significant bits with valid data MSB */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
u32 val;
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
/* Flush the TX FIFO */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
|
|
|
|
|
|
|
|
/* Set TX FIFO Empty Trigger Level */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
|
|
|
|
0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
|
|
|
|
|
|
|
|
if (substream->runtime->rate > 32000)
|
|
|
|
/* Use 64 bits FIR filter */
|
|
|
|
val = 0;
|
|
|
|
else
|
|
|
|
/* Use 32 bits FIR filter */
|
|
|
|
val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
|
|
|
|
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
|
|
|
|
val);
|
|
|
|
|
|
|
|
/* Send zeros when we have an underrun */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT),
|
|
|
|
0);
|
|
|
|
|
|
|
|
return 0;
|
2015-11-30 15:37:47 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
|
|
return sun4i_codec_prepare_playback(substream, dai);
|
|
|
|
|
|
|
|
return sun4i_codec_prepare_capture(substream, dai);
|
2015-09-12 13:26:24 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
|
|
|
|
{
|
|
|
|
unsigned int rate = params_rate(params);
|
|
|
|
|
|
|
|
switch (rate) {
|
|
|
|
case 176400:
|
|
|
|
case 88200:
|
|
|
|
case 44100:
|
|
|
|
case 33075:
|
|
|
|
case 22050:
|
|
|
|
case 14700:
|
|
|
|
case 11025:
|
|
|
|
case 7350:
|
|
|
|
return 22579200;
|
|
|
|
|
|
|
|
case 192000:
|
|
|
|
case 96000:
|
|
|
|
case 48000:
|
|
|
|
case 32000:
|
|
|
|
case 24000:
|
|
|
|
case 16000:
|
|
|
|
case 12000:
|
|
|
|
case 8000:
|
|
|
|
return 24576000;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
|
|
|
|
{
|
|
|
|
unsigned int rate = params_rate(params);
|
|
|
|
|
|
|
|
switch (rate) {
|
|
|
|
case 192000:
|
|
|
|
case 176400:
|
|
|
|
return 6;
|
|
|
|
|
|
|
|
case 96000:
|
|
|
|
case 88200:
|
|
|
|
return 7;
|
|
|
|
|
|
|
|
case 48000:
|
|
|
|
case 44100:
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
case 32000:
|
|
|
|
case 33075:
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
case 24000:
|
|
|
|
case 22050:
|
|
|
|
return 2;
|
|
|
|
|
|
|
|
case 16000:
|
|
|
|
case 14700:
|
|
|
|
return 3;
|
|
|
|
|
|
|
|
case 12000:
|
|
|
|
case 11025:
|
|
|
|
return 4;
|
|
|
|
|
|
|
|
case 8000:
|
|
|
|
case 7350:
|
|
|
|
return 5;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
|
|
|
|
struct snd_pcm_hw_params *params,
|
|
|
|
unsigned int hwrate)
|
2015-09-12 13:26:24 +00:00
|
|
|
{
|
2015-11-30 15:37:47 +00:00
|
|
|
/* Set ADC sample rate */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
|
|
|
|
hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
|
2015-09-12 13:26:24 +00:00
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
/* Set the number of channels we want to use */
|
|
|
|
if (params_channels(params) == 1)
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
|
|
|
|
else
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN), 0);
|
2015-09-12 13:26:24 +00:00
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2015-09-12 13:26:24 +00:00
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
|
|
|
|
struct snd_pcm_hw_params *params,
|
|
|
|
unsigned int hwrate)
|
|
|
|
{
|
|
|
|
u32 val;
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
/* Set DAC sample rate */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
|
|
|
|
hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
|
|
|
|
|
|
|
|
/* Set the number of channels we want to use */
|
|
|
|
if (params_channels(params) == 1)
|
|
|
|
val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
|
|
|
|
else
|
|
|
|
val = 0;
|
|
|
|
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
|
|
|
|
val);
|
|
|
|
|
|
|
|
/* Set the number of sample bits to either 16 or 24 bits */
|
|
|
|
if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
|
|
|
|
|
|
|
|
/* Set TX FIFO mode to padding the LSBs with 0 */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
|
|
|
|
0);
|
|
|
|
|
|
|
|
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
|
|
|
|
} else {
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
|
|
|
|
0);
|
|
|
|
|
|
|
|
/* Set TX FIFO mode to repeat the MSB */
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
|
|
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
|
|
|
|
|
|
|
|
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
static int sun4i_codec_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 sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
unsigned long clk_freq;
|
2015-12-01 11:06:47 +00:00
|
|
|
int ret, hwrate;
|
2015-11-30 15:37:47 +00:00
|
|
|
|
|
|
|
clk_freq = sun4i_codec_get_mod_freq(params);
|
|
|
|
if (!clk_freq)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2015-12-01 11:06:47 +00:00
|
|
|
ret = clk_set_rate(scodec->clk_module, clk_freq);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
2015-11-30 15:37:47 +00:00
|
|
|
|
|
|
|
hwrate = sun4i_codec_get_hw_rate(params);
|
|
|
|
if (hwrate < 0)
|
|
|
|
return hwrate;
|
|
|
|
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
|
|
return sun4i_codec_hw_params_playback(scodec, params,
|
|
|
|
hwrate);
|
|
|
|
|
|
|
|
return sun4i_codec_hw_params_capture(scodec, params,
|
|
|
|
hwrate);
|
|
|
|
}
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
static int sun4i_codec_startup(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Stop issuing DRQ when we have room for less than 16 samples
|
|
|
|
* in our TX FIFO
|
|
|
|
*/
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
|
|
3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT,
|
|
|
|
3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
|
|
|
|
|
|
|
|
return clk_prepare_enable(scodec->clk_module);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
|
|
|
|
clk_disable_unprepare(scodec->clk_module);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
|
|
|
|
.startup = sun4i_codec_startup,
|
|
|
|
.shutdown = sun4i_codec_shutdown,
|
|
|
|
.trigger = sun4i_codec_trigger,
|
|
|
|
.hw_params = sun4i_codec_hw_params,
|
|
|
|
.prepare = sun4i_codec_prepare,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_dai_driver sun4i_codec_dai = {
|
|
|
|
.name = "Codec",
|
|
|
|
.ops = &sun4i_codec_dai_ops,
|
|
|
|
.playback = {
|
|
|
|
.stream_name = "Codec Playback",
|
|
|
|
.channels_min = 1,
|
|
|
|
.channels_max = 2,
|
|
|
|
.rate_min = 8000,
|
|
|
|
.rate_max = 192000,
|
|
|
|
.rates = SNDRV_PCM_RATE_8000_48000 |
|
|
|
|
SNDRV_PCM_RATE_96000 |
|
2015-09-29 19:43:18 +00:00
|
|
|
SNDRV_PCM_RATE_192000,
|
2015-09-12 13:26:24 +00:00
|
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
|
|
SNDRV_PCM_FMTBIT_S32_LE,
|
|
|
|
.sig_bits = 24,
|
|
|
|
},
|
2015-11-30 15:37:47 +00:00
|
|
|
.capture = {
|
|
|
|
.stream_name = "Codec Capture",
|
|
|
|
.channels_min = 1,
|
|
|
|
.channels_max = 2,
|
|
|
|
.rate_min = 8000,
|
|
|
|
.rate_max = 192000,
|
|
|
|
.rates = SNDRV_PCM_RATE_8000_48000 |
|
|
|
|
SNDRV_PCM_RATE_96000 |
|
|
|
|
SNDRV_PCM_RATE_192000 |
|
|
|
|
SNDRV_PCM_RATE_KNOT,
|
|
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
|
|
SNDRV_PCM_FMTBIT_S32_LE,
|
|
|
|
.sig_bits = 24,
|
|
|
|
},
|
2015-09-12 13:26:24 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/*** Codec ***/
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_pa_mute =
|
|
|
|
SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
|
|
|
|
|
|
|
|
static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
|
|
|
|
|
2016-09-24 20:05:01 +00:00
|
|
|
static const struct snd_kcontrol_new sun4i_codec_controls[] = {
|
2015-10-27 21:00:45 +00:00
|
|
|
SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
|
2015-09-12 13:26:24 +00:00
|
|
|
SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
|
|
|
|
sun4i_codec_pa_volume_scale),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
|
|
|
|
SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
|
|
|
|
SOC_DAPM_SINGLE("Right DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
|
|
|
|
SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
|
|
|
|
SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
|
|
|
|
SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
|
|
|
|
};
|
|
|
|
|
2015-12-11 18:43:56 +00:00
|
|
|
static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
|
2015-11-30 15:37:47 +00:00
|
|
|
/* Digital parts of the ADCs */
|
|
|
|
SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
|
|
|
|
SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
|
|
|
|
NULL, 0),
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
/* Digital parts of the DACs */
|
|
|
|
SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
|
|
|
|
SUN4I_CODEC_DAC_DPC_EN_DA, 0,
|
|
|
|
NULL, 0),
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
/* Analog parts of the ADCs */
|
|
|
|
SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
|
|
|
|
SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
|
|
|
|
SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
|
|
|
|
SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
/* Analog parts of the DACs */
|
|
|
|
SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
|
|
|
|
SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
|
|
|
|
|
|
|
|
/* Mixers */
|
|
|
|
SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
|
|
|
|
sun4i_codec_left_mixer_controls,
|
|
|
|
ARRAY_SIZE(sun4i_codec_left_mixer_controls)),
|
|
|
|
SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
|
|
|
|
sun4i_codec_right_mixer_controls,
|
|
|
|
ARRAY_SIZE(sun4i_codec_right_mixer_controls)),
|
|
|
|
|
|
|
|
/* Global Mixer Enable */
|
|
|
|
SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
|
|
|
|
SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
/* VMIC */
|
|
|
|
SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
|
|
|
|
SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
|
|
|
|
|
|
|
|
/* Mic Pre-Amplifiers */
|
|
|
|
SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
|
|
|
|
SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
|
|
|
|
|
2015-10-27 21:00:45 +00:00
|
|
|
/* Power Amplifier */
|
|
|
|
SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
|
2015-09-12 13:26:24 +00:00
|
|
|
SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
|
|
|
|
sun4i_codec_pa_mixer_controls,
|
|
|
|
ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
|
2015-10-27 21:00:45 +00:00
|
|
|
SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
|
2015-09-12 13:26:24 +00:00
|
|
|
&sun4i_codec_pa_mute),
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
SND_SOC_DAPM_INPUT("Mic1"),
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
SND_SOC_DAPM_OUTPUT("HP Right"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("HP Left"),
|
|
|
|
};
|
|
|
|
|
2015-12-11 18:43:56 +00:00
|
|
|
static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
|
2015-11-30 15:37:47 +00:00
|
|
|
/* Left ADC / DAC Routes */
|
|
|
|
{ "Left ADC", NULL, "ADC" },
|
2015-09-12 13:26:24 +00:00
|
|
|
{ "Left DAC", NULL, "DAC" },
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
/* Right ADC / DAC Routes */
|
|
|
|
{ "Right ADC", NULL, "ADC" },
|
2015-09-12 13:26:24 +00:00
|
|
|
{ "Right DAC", NULL, "DAC" },
|
|
|
|
|
|
|
|
/* Right Mixer Routes */
|
|
|
|
{ "Right Mixer", NULL, "Mixer Enable" },
|
|
|
|
{ "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
|
|
|
|
{ "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
|
|
|
|
|
|
|
|
/* Left Mixer Routes */
|
|
|
|
{ "Left Mixer", NULL, "Mixer Enable" },
|
|
|
|
{ "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
|
|
|
|
|
2015-10-27 21:00:45 +00:00
|
|
|
/* Power Amplifier Routes */
|
|
|
|
{ "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
|
|
|
|
{ "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
|
|
|
|
{ "Power Amplifier", "DAC Playback Switch", "Left DAC" },
|
|
|
|
{ "Power Amplifier", "DAC Playback Switch", "Right DAC" },
|
2015-09-12 13:26:24 +00:00
|
|
|
|
2015-10-27 21:00:45 +00:00
|
|
|
/* Headphone Output Routes */
|
|
|
|
{ "Power Amplifier Mute", "Switch", "Power Amplifier" },
|
|
|
|
{ "HP Right", NULL, "Power Amplifier Mute" },
|
|
|
|
{ "HP Left", NULL, "Power Amplifier Mute" },
|
2015-11-30 15:37:47 +00:00
|
|
|
|
|
|
|
/* Mic1 Routes */
|
|
|
|
{ "Left ADC", NULL, "MIC1 Pre-Amplifier" },
|
|
|
|
{ "Right ADC", NULL, "MIC1 Pre-Amplifier" },
|
|
|
|
{ "MIC1 Pre-Amplifier", NULL, "Mic1"},
|
|
|
|
{ "Mic1", NULL, "VMIC" },
|
2015-09-12 13:26:24 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_codec_driver sun4i_codec_codec = {
|
2016-08-08 08:46:41 +00:00
|
|
|
.component_driver = {
|
2016-09-24 20:05:01 +00:00
|
|
|
.controls = sun4i_codec_controls,
|
|
|
|
.num_controls = ARRAY_SIZE(sun4i_codec_controls),
|
2016-08-08 08:46:41 +00:00
|
|
|
.dapm_widgets = sun4i_codec_codec_dapm_widgets,
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
|
|
|
|
.dapm_routes = sun4i_codec_codec_dapm_routes,
|
|
|
|
.num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
|
|
|
|
},
|
2015-09-12 13:26:24 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_soc_component_driver sun4i_codec_component = {
|
|
|
|
.name = "sun4i-codec",
|
|
|
|
};
|
|
|
|
|
|
|
|
#define SUN4I_CODEC_RATES SNDRV_PCM_RATE_8000_192000
|
|
|
|
#define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
|
|
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
|
|
|
|
static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
|
|
|
|
|
|
|
|
snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
|
2015-11-30 15:37:47 +00:00
|
|
|
&scodec->capture_dma_data);
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_dai_driver dummy_cpu_dai = {
|
|
|
|
.name = "sun4i-codec-cpu-dai",
|
|
|
|
.probe = sun4i_codec_dai_probe,
|
|
|
|
.playback = {
|
|
|
|
.stream_name = "Playback",
|
|
|
|
.channels_min = 1,
|
|
|
|
.channels_max = 2,
|
|
|
|
.rates = SUN4I_CODEC_RATES,
|
|
|
|
.formats = SUN4I_CODEC_FORMATS,
|
|
|
|
.sig_bits = 24,
|
|
|
|
},
|
2015-11-30 15:37:47 +00:00
|
|
|
.capture = {
|
|
|
|
.stream_name = "Capture",
|
|
|
|
.channels_min = 1,
|
|
|
|
.channels_max = 2,
|
|
|
|
.rates = SUN4I_CODEC_RATES,
|
|
|
|
.formats = SUN4I_CODEC_FORMATS,
|
|
|
|
.sig_bits = 24,
|
|
|
|
},
|
2015-09-12 13:26:24 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_config sun4i_codec_regmap_config = {
|
2016-09-22 07:13:13 +00:00
|
|
|
.reg_bits = 32,
|
|
|
|
.reg_stride = 4,
|
|
|
|
.val_bits = 32,
|
|
|
|
.max_register = SUN4I_CODEC_ADC_RXCNT,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_config sun7i_codec_regmap_config = {
|
2015-09-12 13:26:24 +00:00
|
|
|
.reg_bits = 32,
|
|
|
|
.reg_stride = 4,
|
|
|
|
.val_bits = 32,
|
2016-09-22 07:13:12 +00:00
|
|
|
.max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
|
2015-09-12 13:26:24 +00:00
|
|
|
};
|
|
|
|
|
2016-09-22 07:13:13 +00:00
|
|
|
struct sun4i_codec_quirks {
|
|
|
|
const struct regmap_config *regmap_config;
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct sun4i_codec_quirks sun4i_codec_quirks = {
|
|
|
|
.regmap_config = &sun4i_codec_regmap_config,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct sun4i_codec_quirks sun7i_codec_quirks = {
|
|
|
|
.regmap_config = &sun7i_codec_regmap_config,
|
|
|
|
};
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
static const struct of_device_id sun4i_codec_of_match[] = {
|
2016-09-22 07:13:13 +00:00
|
|
|
{
|
|
|
|
.compatible = "allwinner,sun4i-a10-codec",
|
|
|
|
.data = &sun4i_codec_quirks,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.compatible = "allwinner,sun7i-a20-codec",
|
|
|
|
.data = &sun7i_codec_quirks,
|
|
|
|
},
|
2015-09-12 13:26:24 +00:00
|
|
|
{}
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
|
|
|
|
|
|
|
|
static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
|
|
|
|
int *num_links)
|
|
|
|
{
|
|
|
|
struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
|
|
|
|
GFP_KERNEL);
|
|
|
|
if (!link)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
link->name = "cdc";
|
|
|
|
link->stream_name = "CDC PCM";
|
|
|
|
link->codec_dai_name = "Codec";
|
|
|
|
link->cpu_dai_name = dev_name(dev);
|
|
|
|
link->codec_name = dev_name(dev);
|
|
|
|
link->platform_name = dev_name(dev);
|
|
|
|
link->dai_fmt = SND_SOC_DAIFMT_I2S;
|
|
|
|
|
|
|
|
*num_links = 1;
|
|
|
|
|
|
|
|
return link;
|
|
|
|
};
|
|
|
|
|
2015-12-11 18:43:57 +00:00
|
|
|
static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *k, int event)
|
|
|
|
{
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
|
|
|
|
|
|
|
|
if (scodec->gpio_pa)
|
|
|
|
gpiod_set_value_cansleep(scodec->gpio_pa,
|
|
|
|
!!SND_SOC_DAPM_EVENT_ON(event));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
|
|
|
|
SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
|
2015-12-22 22:00:17 +00:00
|
|
|
{ "Speaker", NULL, "HP Right" },
|
|
|
|
{ "Speaker", NULL, "HP Left" },
|
2015-12-11 18:43:57 +00:00
|
|
|
};
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card;
|
|
|
|
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
|
|
if (!card)
|
2016-10-31 06:42:09 +00:00
|
|
|
return ERR_PTR(-ENOMEM);
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
|
|
|
|
if (!card->dai_link)
|
2016-10-31 06:42:09 +00:00
|
|
|
return ERR_PTR(-ENOMEM);
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
card->dev = dev;
|
|
|
|
card->name = "sun4i-codec";
|
2015-12-11 18:43:57 +00:00
|
|
|
card->dapm_widgets = sun4i_codec_card_dapm_widgets;
|
|
|
|
card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
|
|
|
|
card->dapm_routes = sun4i_codec_card_dapm_routes;
|
|
|
|
card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
|
2015-09-12 13:26:24 +00:00
|
|
|
|
|
|
|
return card;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int sun4i_codec_probe(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card;
|
|
|
|
struct sun4i_codec *scodec;
|
2016-09-22 07:13:13 +00:00
|
|
|
const struct sun4i_codec_quirks *quirks;
|
2015-09-12 13:26:24 +00:00
|
|
|
struct resource *res;
|
|
|
|
void __iomem *base;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
|
|
|
|
if (!scodec)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
scodec->dev = &pdev->dev;
|
|
|
|
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
|
|
base = devm_ioremap_resource(&pdev->dev, res);
|
|
|
|
if (IS_ERR(base)) {
|
|
|
|
dev_err(&pdev->dev, "Failed to map the registers\n");
|
|
|
|
return PTR_ERR(base);
|
|
|
|
}
|
|
|
|
|
2016-09-22 07:13:13 +00:00
|
|
|
quirks = of_device_get_match_data(&pdev->dev);
|
|
|
|
if (quirks == NULL) {
|
|
|
|
dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
|
2016-09-22 07:13:13 +00:00
|
|
|
quirks->regmap_config);
|
2015-09-12 13:26:24 +00:00
|
|
|
if (IS_ERR(scodec->regmap)) {
|
|
|
|
dev_err(&pdev->dev, "Failed to create our regmap\n");
|
|
|
|
return PTR_ERR(scodec->regmap);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Get the clocks from the DT */
|
|
|
|
scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
|
|
|
|
if (IS_ERR(scodec->clk_apb)) {
|
|
|
|
dev_err(&pdev->dev, "Failed to get the APB clock\n");
|
|
|
|
return PTR_ERR(scodec->clk_apb);
|
|
|
|
}
|
|
|
|
|
|
|
|
scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
|
|
|
|
if (IS_ERR(scodec->clk_module)) {
|
|
|
|
dev_err(&pdev->dev, "Failed to get the module clock\n");
|
|
|
|
return PTR_ERR(scodec->clk_module);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Enable the bus clock */
|
|
|
|
if (clk_prepare_enable(scodec->clk_apb)) {
|
|
|
|
dev_err(&pdev->dev, "Failed to enable the APB clock\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2015-12-11 18:43:57 +00:00
|
|
|
scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
|
|
|
|
GPIOD_OUT_LOW);
|
|
|
|
if (IS_ERR(scodec->gpio_pa)) {
|
|
|
|
ret = PTR_ERR(scodec->gpio_pa);
|
|
|
|
if (ret != -EPROBE_DEFER)
|
|
|
|
dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
/* DMA configuration for TX FIFO */
|
|
|
|
scodec->playback_dma_data.addr = res->start + SUN4I_CODEC_DAC_TXDATA;
|
|
|
|
scodec->playback_dma_data.maxburst = 4;
|
|
|
|
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
|
|
|
2015-11-30 15:37:47 +00:00
|
|
|
/* DMA configuration for RX FIFO */
|
|
|
|
scodec->capture_dma_data.addr = res->start + SUN4I_CODEC_ADC_RXDATA;
|
|
|
|
scodec->capture_dma_data.maxburst = 4;
|
|
|
|
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
|
|
|
2015-09-12 13:26:24 +00:00
|
|
|
ret = snd_soc_register_codec(&pdev->dev, &sun4i_codec_codec,
|
|
|
|
&sun4i_codec_dai, 1);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "Failed to register our codec\n");
|
|
|
|
goto err_clk_disable;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = devm_snd_soc_register_component(&pdev->dev,
|
|
|
|
&sun4i_codec_component,
|
|
|
|
&dummy_cpu_dai, 1);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "Failed to register our DAI\n");
|
|
|
|
goto err_unregister_codec;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
|
|
|
|
goto err_unregister_codec;
|
|
|
|
}
|
|
|
|
|
|
|
|
card = sun4i_codec_create_card(&pdev->dev);
|
2016-10-31 06:42:09 +00:00
|
|
|
if (IS_ERR(card)) {
|
|
|
|
ret = PTR_ERR(card);
|
2015-09-12 13:26:24 +00:00
|
|
|
dev_err(&pdev->dev, "Failed to create our card\n");
|
|
|
|
goto err_unregister_codec;
|
|
|
|
}
|
|
|
|
|
|
|
|
platform_set_drvdata(pdev, card);
|
|
|
|
snd_soc_card_set_drvdata(card, scodec);
|
|
|
|
|
|
|
|
ret = snd_soc_register_card(card);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "Failed to register our card\n");
|
|
|
|
goto err_unregister_codec;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_unregister_codec:
|
|
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
|
|
err_clk_disable:
|
|
|
|
clk_disable_unprepare(scodec->clk_apb);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sun4i_codec_remove(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
|
|
|
|
|
|
|
|
snd_soc_unregister_card(card);
|
|
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
|
|
clk_disable_unprepare(scodec->clk_apb);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct platform_driver sun4i_codec_driver = {
|
|
|
|
.driver = {
|
|
|
|
.name = "sun4i-codec",
|
|
|
|
.of_match_table = sun4i_codec_of_match,
|
|
|
|
},
|
|
|
|
.probe = sun4i_codec_probe,
|
|
|
|
.remove = sun4i_codec_remove,
|
|
|
|
};
|
|
|
|
module_platform_driver(sun4i_codec_driver);
|
|
|
|
|
|
|
|
MODULE_DESCRIPTION("Allwinner A10 codec driver");
|
|
|
|
MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
|
|
|
|
MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
|
|
|
|
MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
|
|
|
|
MODULE_LICENSE("GPL");
|