440 lines
11 KiB
C
440 lines
11 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* Copyright (C) ST-Ericsson SA 2012
|
||
|
|
*
|
||
|
|
* Author: Ola Lilja <ola.o.lilja@stericsson.com>,
|
||
|
|
* Kristoffer Karlsson <kristoffer.karlsson@stericsson.com>
|
||
|
|
* for ST-Ericsson.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/io.h>
|
||
|
|
#include <linux/clk.h>
|
||
|
|
#include <linux/mutex.h>
|
||
|
|
|
||
|
|
#include <sound/soc.h>
|
||
|
|
#include <sound/soc-dapm.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/pcm_params.h>
|
||
|
|
|
||
|
|
#include "ux500_pcm.h"
|
||
|
|
#include "ux500_msp_dai.h"
|
||
|
|
#include "mop500_ab8500.h"
|
||
|
|
#include "../codecs/ab8500-codec.h"
|
||
|
|
|
||
|
|
#define TX_SLOT_MONO 0x0008
|
||
|
|
#define TX_SLOT_STEREO 0x000a
|
||
|
|
#define RX_SLOT_MONO 0x0001
|
||
|
|
#define RX_SLOT_STEREO 0x0003
|
||
|
|
#define TX_SLOT_8CH 0x00FF
|
||
|
|
#define RX_SLOT_8CH 0x00FF
|
||
|
|
|
||
|
|
#define DEF_TX_SLOTS TX_SLOT_STEREO
|
||
|
|
#define DEF_RX_SLOTS RX_SLOT_MONO
|
||
|
|
|
||
|
|
#define DRIVERMODE_NORMAL 0
|
||
|
|
#define DRIVERMODE_CODEC_ONLY 1
|
||
|
|
|
||
|
|
/* Slot configuration */
|
||
|
|
static unsigned int tx_slots = DEF_TX_SLOTS;
|
||
|
|
static unsigned int rx_slots = DEF_RX_SLOTS;
|
||
|
|
|
||
|
|
/* Configuration consistency parameters */
|
||
|
|
static DEFINE_MUTEX(mop500_ab8500_params_lock);
|
||
|
|
static unsigned long mop500_ab8500_usage;
|
||
|
|
static int mop500_ab8500_rate;
|
||
|
|
static int mop500_ab8500_channels;
|
||
|
|
|
||
|
|
/* Clocks */
|
||
|
|
static const char * const enum_mclk[] = {
|
||
|
|
"SYSCLK",
|
||
|
|
"ULPCLK"
|
||
|
|
};
|
||
|
|
enum mclk {
|
||
|
|
MCLK_SYSCLK,
|
||
|
|
MCLK_ULPCLK,
|
||
|
|
};
|
||
|
|
|
||
|
|
static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk);
|
||
|
|
|
||
|
|
/* Private data for machine-part MOP500<->AB8500 */
|
||
|
|
struct mop500_ab8500_drvdata {
|
||
|
|
/* Clocks */
|
||
|
|
enum mclk mclk_sel;
|
||
|
|
struct clk *clk_ptr_intclk;
|
||
|
|
struct clk *clk_ptr_sysclk;
|
||
|
|
struct clk *clk_ptr_ulpclk;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline const char *get_mclk_str(enum mclk mclk_sel)
|
||
|
|
{
|
||
|
|
switch (mclk_sel) {
|
||
|
|
case MCLK_SYSCLK:
|
||
|
|
return "SYSCLK";
|
||
|
|
case MCLK_ULPCLK:
|
||
|
|
return "ULPCLK";
|
||
|
|
default:
|
||
|
|
return "Unknown";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mop500_ab8500_set_mclk(struct device *dev,
|
||
|
|
struct mop500_ab8500_drvdata *drvdata)
|
||
|
|
{
|
||
|
|
int status;
|
||
|
|
struct clk *clk_ptr;
|
||
|
|
|
||
|
|
if (IS_ERR(drvdata->clk_ptr_intclk)) {
|
||
|
|
dev_err(dev,
|
||
|
|
"%s: ERROR: intclk not initialized!\n", __func__);
|
||
|
|
return -EIO;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (drvdata->mclk_sel) {
|
||
|
|
case MCLK_SYSCLK:
|
||
|
|
clk_ptr = drvdata->clk_ptr_sysclk;
|
||
|
|
break;
|
||
|
|
case MCLK_ULPCLK:
|
||
|
|
clk_ptr = drvdata->clk_ptr_ulpclk;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (IS_ERR(clk_ptr)) {
|
||
|
|
dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__,
|
||
|
|
get_mclk_str(drvdata->mclk_sel));
|
||
|
|
return -EIO;
|
||
|
|
}
|
||
|
|
|
||
|
|
status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr);
|
||
|
|
if (status)
|
||
|
|
dev_err(dev,
|
||
|
|
"%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
|
||
|
|
__func__, get_mclk_str(drvdata->mclk_sel), status);
|
||
|
|
else
|
||
|
|
dev_dbg(dev,
|
||
|
|
"%s: intclk parent changed to %s.\n",
|
||
|
|
__func__, get_mclk_str(drvdata->mclk_sel));
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Control-events
|
||
|
|
*/
|
||
|
|
|
||
|
|
static int mclk_input_control_get(struct snd_kcontrol *kcontrol,
|
||
|
|
struct snd_ctl_elem_value *ucontrol)
|
||
|
|
{
|
||
|
|
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
|
||
|
|
struct mop500_ab8500_drvdata *drvdata =
|
||
|
|
snd_soc_card_get_drvdata(card);
|
||
|
|
|
||
|
|
ucontrol->value.enumerated.item[0] = drvdata->mclk_sel;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mclk_input_control_put(struct snd_kcontrol *kcontrol,
|
||
|
|
struct snd_ctl_elem_value *ucontrol)
|
||
|
|
{
|
||
|
|
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
|
||
|
|
struct mop500_ab8500_drvdata *drvdata =
|
||
|
|
snd_soc_card_get_drvdata(card);
|
||
|
|
unsigned int val = ucontrol->value.enumerated.item[0];
|
||
|
|
|
||
|
|
if (val > (unsigned int)MCLK_ULPCLK)
|
||
|
|
return -EINVAL;
|
||
|
|
if (drvdata->mclk_sel == val)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
drvdata->mclk_sel = val;
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Controls
|
||
|
|
*/
|
||
|
|
|
||
|
|
static struct snd_kcontrol_new mop500_ab8500_ctrls[] = {
|
||
|
|
SOC_ENUM_EXT("Master Clock Select",
|
||
|
|
soc_enum_mclk,
|
||
|
|
mclk_input_control_get, mclk_input_control_put),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Headset Left"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Headset Right"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Earpiece"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Speaker Left"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Speaker Right"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("LineOut Left"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("LineOut Right"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Vibra 1"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Vibra 2"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Mic 1"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Mic 2"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("LineIn Left"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("LineIn Right"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("DMic 1"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("DMic 2"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("DMic 3"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("DMic 4"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("DMic 5"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("DMic 6"),
|
||
|
|
};
|
||
|
|
|
||
|
|
/* ASoC */
|
||
|
|
|
||
|
|
static int mop500_ab8500_startup(struct snd_pcm_substream *substream)
|
||
|
|
{
|
||
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
||
|
|
|
||
|
|
/* Set audio-clock source */
|
||
|
|
return mop500_ab8500_set_mclk(rtd->card->dev,
|
||
|
|
snd_soc_card_get_drvdata(rtd->card));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mop500_ab8500_shutdown(struct snd_pcm_substream *substream)
|
||
|
|
{
|
||
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
||
|
|
struct device *dev = rtd->card->dev;
|
||
|
|
|
||
|
|
dev_dbg(dev, "%s: Enter\n", __func__);
|
||
|
|
|
||
|
|
/* Reset slots configuration to default(s) */
|
||
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||
|
|
tx_slots = DEF_TX_SLOTS;
|
||
|
|
else
|
||
|
|
rx_slots = DEF_RX_SLOTS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
|
||
|
|
struct snd_pcm_hw_params *params)
|
||
|
|
{
|
||
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
||
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
||
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
||
|
|
struct device *dev = rtd->card->dev;
|
||
|
|
unsigned int fmt;
|
||
|
|
int channels, ret = 0, driver_mode, slots;
|
||
|
|
unsigned int sw_codec, sw_cpu;
|
||
|
|
bool is_playback;
|
||
|
|
|
||
|
|
dev_dbg(dev, "%s: Enter\n", __func__);
|
||
|
|
|
||
|
|
dev_dbg(dev, "%s: substream->pcm->name = %s\n"
|
||
|
|
"substream->pcm->id = %s.\n"
|
||
|
|
"substream->name = %s.\n"
|
||
|
|
"substream->number = %d.\n",
|
||
|
|
__func__,
|
||
|
|
substream->pcm->name,
|
||
|
|
substream->pcm->id,
|
||
|
|
substream->name,
|
||
|
|
substream->number);
|
||
|
|
|
||
|
|
/* Ensure configuration consistency between DAIs */
|
||
|
|
mutex_lock(&mop500_ab8500_params_lock);
|
||
|
|
if (mop500_ab8500_usage) {
|
||
|
|
if (mop500_ab8500_rate != params_rate(params) ||
|
||
|
|
mop500_ab8500_channels != params_channels(params)) {
|
||
|
|
mutex_unlock(&mop500_ab8500_params_lock);
|
||
|
|
return -EBUSY;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
mop500_ab8500_rate = params_rate(params);
|
||
|
|
mop500_ab8500_channels = params_channels(params);
|
||
|
|
}
|
||
|
|
__set_bit(cpu_dai->id, &mop500_ab8500_usage);
|
||
|
|
mutex_unlock(&mop500_ab8500_params_lock);
|
||
|
|
|
||
|
|
channels = params_channels(params);
|
||
|
|
|
||
|
|
switch (params_format(params)) {
|
||
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
||
|
|
sw_cpu = 32;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
||
|
|
sw_cpu = 16;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Setup codec depending on driver-mode */
|
||
|
|
if (channels == 8)
|
||
|
|
driver_mode = DRIVERMODE_CODEC_ONLY;
|
||
|
|
else
|
||
|
|
driver_mode = DRIVERMODE_NORMAL;
|
||
|
|
dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__,
|
||
|
|
(driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY");
|
||
|
|
|
||
|
|
/* Setup format */
|
||
|
|
|
||
|
|
if (driver_mode == DRIVERMODE_NORMAL) {
|
||
|
|
fmt = SND_SOC_DAIFMT_DSP_A |
|
||
|
|
SND_SOC_DAIFMT_CBM_CFM |
|
||
|
|
SND_SOC_DAIFMT_NB_NF |
|
||
|
|
SND_SOC_DAIFMT_CONT;
|
||
|
|
} else {
|
||
|
|
fmt = SND_SOC_DAIFMT_DSP_A |
|
||
|
|
SND_SOC_DAIFMT_CBM_CFM |
|
||
|
|
SND_SOC_DAIFMT_NB_NF |
|
||
|
|
SND_SOC_DAIFMT_GATED;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = snd_soc_runtime_set_dai_fmt(rtd, fmt);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
/* Setup TDM-slots */
|
||
|
|
|
||
|
|
is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
|
||
|
|
switch (channels) {
|
||
|
|
case 1:
|
||
|
|
slots = 16;
|
||
|
|
tx_slots = (is_playback) ? TX_SLOT_MONO : 0;
|
||
|
|
rx_slots = (is_playback) ? 0 : RX_SLOT_MONO;
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
slots = 16;
|
||
|
|
tx_slots = (is_playback) ? TX_SLOT_STEREO : 0;
|
||
|
|
rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO;
|
||
|
|
break;
|
||
|
|
case 8:
|
||
|
|
slots = 16;
|
||
|
|
tx_slots = (is_playback) ? TX_SLOT_8CH : 0;
|
||
|
|
rx_slots = (is_playback) ? 0 : RX_SLOT_8CH;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (driver_mode == DRIVERMODE_NORMAL)
|
||
|
|
sw_codec = sw_cpu;
|
||
|
|
else
|
||
|
|
sw_codec = 20;
|
||
|
|
|
||
|
|
dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
|
||
|
|
tx_slots, rx_slots);
|
||
|
|
ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots,
|
||
|
|
sw_cpu);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
|
||
|
|
tx_slots, rx_slots);
|
||
|
|
ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots,
|
||
|
|
sw_codec);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mop500_ab8500_hw_free(struct snd_pcm_substream *substream)
|
||
|
|
{
|
||
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
||
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
||
|
|
|
||
|
|
mutex_lock(&mop500_ab8500_params_lock);
|
||
|
|
__clear_bit(cpu_dai->id, &mop500_ab8500_usage);
|
||
|
|
mutex_unlock(&mop500_ab8500_params_lock);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct snd_soc_ops mop500_ab8500_ops[] = {
|
||
|
|
{
|
||
|
|
.hw_params = mop500_ab8500_hw_params,
|
||
|
|
.hw_free = mop500_ab8500_hw_free,
|
||
|
|
.startup = mop500_ab8500_startup,
|
||
|
|
.shutdown = mop500_ab8500_shutdown,
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd)
|
||
|
|
{
|
||
|
|
struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
|
||
|
|
struct device *dev = rtd->card->dev;
|
||
|
|
struct mop500_ab8500_drvdata *drvdata;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
dev_dbg(dev, "%s Enter.\n", __func__);
|
||
|
|
|
||
|
|
/* Create driver private-data struct */
|
||
|
|
drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata),
|
||
|
|
GFP_KERNEL);
|
||
|
|
|
||
|
|
if (!drvdata)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
snd_soc_card_set_drvdata(rtd->card, drvdata);
|
||
|
|
|
||
|
|
/* Setup clocks */
|
||
|
|
|
||
|
|
drvdata->clk_ptr_sysclk = clk_get(dev, "sysclk");
|
||
|
|
if (IS_ERR(drvdata->clk_ptr_sysclk))
|
||
|
|
dev_warn(dev, "%s: WARNING: clk_get failed for 'sysclk'!\n",
|
||
|
|
__func__);
|
||
|
|
drvdata->clk_ptr_ulpclk = clk_get(dev, "ulpclk");
|
||
|
|
if (IS_ERR(drvdata->clk_ptr_ulpclk))
|
||
|
|
dev_warn(dev, "%s: WARNING: clk_get failed for 'ulpclk'!\n",
|
||
|
|
__func__);
|
||
|
|
drvdata->clk_ptr_intclk = clk_get(dev, "intclk");
|
||
|
|
if (IS_ERR(drvdata->clk_ptr_intclk))
|
||
|
|
dev_warn(dev, "%s: WARNING: clk_get failed for 'intclk'!\n",
|
||
|
|
__func__);
|
||
|
|
|
||
|
|
/* Set intclk default parent to ulpclk */
|
||
|
|
drvdata->mclk_sel = MCLK_ULPCLK;
|
||
|
|
ret = mop500_ab8500_set_mclk(dev, drvdata);
|
||
|
|
if (ret < 0)
|
||
|
|
dev_warn(dev, "%s: WARNING: mop500_ab8500_set_mclk!\n",
|
||
|
|
__func__);
|
||
|
|
|
||
|
|
drvdata->mclk_sel = MCLK_ULPCLK;
|
||
|
|
|
||
|
|
/* Add controls */
|
||
|
|
ret = snd_soc_add_card_controls(rtd->card, mop500_ab8500_ctrls,
|
||
|
|
ARRAY_SIZE(mop500_ab8500_ctrls));
|
||
|
|
if (ret < 0) {
|
||
|
|
pr_err("%s: Failed to add machine-controls (%d)!\n",
|
||
|
|
__func__, ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = snd_soc_dapm_disable_pin(dapm, "Earpiece");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "Speaker Left");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "Speaker Right");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "LineOut Left");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "LineOut Right");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "Vibra 1");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "Vibra 2");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "Mic 1");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "Mic 2");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "LineIn Left");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "LineIn Right");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "DMic 1");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "DMic 2");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "DMic 3");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "DMic 4");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "DMic 5");
|
||
|
|
ret |= snd_soc_dapm_disable_pin(dapm, "DMic 6");
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
void mop500_ab8500_remove(struct snd_soc_card *card)
|
||
|
|
{
|
||
|
|
struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card);
|
||
|
|
|
||
|
|
clk_put(drvdata->clk_ptr_sysclk);
|
||
|
|
clk_put(drvdata->clk_ptr_ulpclk);
|
||
|
|
clk_put(drvdata->clk_ptr_intclk);
|
||
|
|
|
||
|
|
snd_soc_card_set_drvdata(card, drvdata);
|
||
|
|
}
|