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kernel_samsung_a34x-permissive/sound/soc/mediatek/common_int/mtk-soc-pcm-voice-usb.c
Fede2782 c05564c4d8
Import A346BXXU1AWB9 kernel source 
Android 13
2024-04-28 15:49:01 +02:00

1000 lines
28 KiB
C
Executable file
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Michael Hsiao <michael.hsiao@mediatek.com>
*/
/*******************************************************************************
*
* Filename:
* ---------
* mt-soc-pcm-voice-usb.c
*
* Project:
* --------
* MT6797
*
* Description:
* ------------
* Platform driver for usb phone call
*
* Author:
* -------
* Kai Chieh Chuang
*
*---------------------------------------------------------------------------
*
*
****************************************************************************
*/
/*****************************************************************************
* C O M P I L E R F L A G S
*****************************************************************************/
/*****************************************************************************
* E X T E R N A L R E F E R E N C E S
*****************************************************************************/
#include "mtk-auddrv-afe.h"
#include "mtk-auddrv-clk.h"
#include "mtk-auddrv-common-func.h"
#include "mtk-auddrv-common.h"
#include "mtk-auddrv-def.h"
#include "mtk-soc-afe-control.h"
#include "mtk-soc-digital-type.h"
#include "mtk-soc-pcm-common.h"
#include "mtk-soc-pcm-platform.h"
#include <linux/dma-mapping.h>
/* debug */
#define NUM_DBG_LOG 60
#define DBG_LOG_LENGTH 256
struct usb_dbg_log {
unsigned int idx;
char log[DBG_LOG_LENGTH];
};
static struct usb_dbg_log dbg_log[NUM_DBG_LOG];
static unsigned int dbg_log_idx;
static void print_usb_dbg_log(void)
{
unsigned int i = 0;
for (i = 0; i < NUM_DBG_LOG; i++) {
pr_debug("%s(), idx %u, %s\n", __func__, dbg_log[i].idx,
dbg_log[i].log);
}
}
/*
* function implementation
*/
static bool usb_prepare_done[2] = {false, false};
static bool usb_use_dram[2] = {false, false};
static int usb_mem_blk[2] = {Soc_Aud_Digital_Block_MEM_DL2,
Soc_Aud_Digital_Block_MEM_AWB};
static bool voice_usb_status;
bool get_voice_usb_status(void)
{
return voice_usb_status;
}
EXPORT_SYMBOL(get_voice_usb_status);
static struct audio_digital_pcm Voice1Pcm = {
.mTxLchRepeatSel = Soc_Aud_TX_LCH_RPT_TX_LCH_NO_REPEAT,
.mVbt16kModeSel = Soc_Aud_VBT_16K_MODE_VBT_16K_MODE_DISABLE,
.mExtModemSel = Soc_Aud_EXT_MODEM_MODEM_2_USE_INTERNAL_MODEM,
.mExtendBckSyncLength = 0,
.mExtendBckSyncTypeSel = Soc_Aud_PCM_SYNC_TYPE_BCK_CYCLE_SYNC,
.mSingelMicSel = Soc_Aud_BT_MODE_DUAL_MIC_ON_TX,
.mAsyncFifoSel = Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO,
.mSlaveModeSel = Soc_Aud_PCM_CLOCK_SOURCE_SALVE_MODE,
.mPcmWordLength = Soc_Aud_PCM_WLEN_LEN_PCM_16BIT,
.mPcmModeWidebandSel = false,
.mPcmFormat = Soc_Aud_PCM_FMT_PCM_MODE_B,
.mModemPcmOn = false,
};
static struct audio_digital_pcm Voice2IntPcm = {
.mBclkOutInv = false,
.mTxLchRepeatSel = Soc_Aud_TX_LCH_RPT_TX_LCH_NO_REPEAT,
.mVbt16kModeSel = Soc_Aud_VBT_16K_MODE_VBT_16K_MODE_DISABLE,
.mExtModemSel = Soc_Aud_EXT_MODEM_MODEM_2_USE_INTERNAL_MODEM,
.mExtendBckSyncLength = 0,
.mExtendBckSyncTypeSel = Soc_Aud_PCM_SYNC_TYPE_BCK_CYCLE_SYNC,
.mSingelMicSel = Soc_Aud_BT_MODE_DUAL_MIC_ON_TX,
.mAsyncFifoSel = Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO,
.mSlaveModeSel = Soc_Aud_PCM_CLOCK_SOURCE_SALVE_MODE,
.mPcmWordLength = Soc_Aud_PCM_WLEN_LEN_PCM_16BIT,
.mPcmModeWidebandSel = false,
.mPcmFormat = Soc_Aud_PCM_FMT_PCM_MODE_B,
.mModemPcmOn = false,
};
static struct snd_pcm_hardware mtk_pcm_hardware = {
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SND_SOC_ADV_MT_FMTS,
.rates = SOC_HIGH_USE_RATE,
.rate_min = SOC_HIGH_USE_RATE_MIN,
.rate_max = SOC_HIGH_USE_RATE_MAX,
.channels_min = SOC_NORMAL_USE_CHANNELS_MIN,
.channels_max = SOC_NORMAL_USE_CHANNELS_MAX,
.buffer_bytes_max = MAX_BUFFER_SIZE,
.period_bytes_max = MAX_PERIOD_SIZE,
.periods_min = 2,
.periods_max = 256,
.fifo_size = 0,
};
static int usb_md_select;
static const char *const md_choose[] = {"md1", "md2"};
static const struct soc_enum speech_usb_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(md_choose), md_choose),
};
static int Audio_USB_MD_Select_Control_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s(), usb_md_select = %d\n", __func__, usb_md_select);
ucontrol->value.integer.value[0] = usb_md_select;
return 0;
}
static int Audio_USB_MD_Select_Control_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(md_choose)) {
pr_warn("return -EINVAL\n");
return -EINVAL;
}
usb_md_select = ucontrol->value.integer.value[0];
pr_debug("%s(), usb_md_select = %d\n", __func__, usb_md_select);
return 0;
}
enum {
VOICE_UL_PRIMARY,
VOICE_UL_USB,
};
static int usb_ul_select;
static const char *const ul_choose[] = {"primary", "usb"};
static const struct soc_enum voice_usb_ul_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ul_choose), ul_choose),
};
static int Audio_USB_MD_UL_Select_Ctl_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s(), usb_ul_select = %d\n", __func__, usb_ul_select);
ucontrol->value.integer.value[0] = usb_ul_select;
return 0;
}
static int Audio_USB_MD_UL_Select_Ctl_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(ul_choose)) {
pr_warn("return -EINVAL\n");
return -EINVAL;
}
/* ul source change to usb mic after enabled */
if (usb_prepare_done[SNDRV_PCM_STREAM_CAPTURE] &&
usb_ul_select != ucontrol->value.integer.value[0] &&
usb_ul_select == VOICE_UL_PRIMARY) {
pr_debug("%s(), ul source change to usb mic!\n", __func__);
/* disconnect interconnection to primary mic */
if (usb_md_select) {
/* i3i4 -> pcm1 o7o8 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_ADDA_UL,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
} else {
/* i3i4 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_ADDA_UL,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
}
/* disable adda ul path */
SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL, false);
if (GetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL) == false)
set_adc_enable(false);
/* connect between usb mic (dl2) with modem */
if (usb_md_select) {
/* i7i8 -> pcm1 o7o8 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
} else {
/* i7i8 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
}
}
usb_ul_select = ucontrol->value.integer.value[0];
pr_debug("%s(), usb_ul_select = %d\n", __func__, usb_ul_select);
return 0;
}
static int usb_lpbk_enable;
static const char *const on_off_str[] = {"Off", "On"};
static const struct soc_enum voice_usb_lpbk_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(on_off_str), on_off_str),
};
static int Audio_USB_Lpbk_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s(), enable = %d\n", __func__, usb_lpbk_enable);
ucontrol->value.integer.value[0] = usb_lpbk_enable;
return 0;
}
static int Audio_USB_Lpbk_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(on_off_str)) {
pr_warn("return -EINVAL\n");
return -EINVAL;
}
usb_lpbk_enable = ucontrol->value.integer.value[0];
pr_debug("%s(), enable = %d\n", __func__, usb_lpbk_enable);
if (usb_lpbk_enable) {
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MEM_AWB);
} else {
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MEM_AWB);
}
return 0;
}
enum USB_DBG_TYPE {
USB_DBG_ASSERT_AT_STOP = 0x1 << 0,
USB_DBG_BUFFER_LEVEL = 0x1 << 1,
USB_DBG_ECHO_REF_ALIGN = 0x1 << 2,
};
static int usb_debug_enable;
static bool disconnect_debug_path;
static int Audio_USB_Debug_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = usb_debug_enable;
return 0;
}
static int Audio_USB_Debug_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
usb_debug_enable = ucontrol->value.integer.value[0];
pr_debug("%s(), usb_debug_enable = 0x%x\n", __func__, usb_debug_enable);
return 0;
}
static int usb_echo_ref_delay_us;
struct memif_lpbk usb_memif_lpbk;
static void set_echo_ref_path(int connect)
{
if (usb_md_select) {
SetIntfConnection(connect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_MOD_DAI);
SetIntfConnection(connect, Soc_Aud_AFE_IO_Block_MEM_DL1_CH1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O_CH4);
} else {
SetIntfConnection(connect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_MOD_DAI);
SetIntfConnection(connect, Soc_Aud_AFE_IO_Block_MEM_DL1_CH1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O_CH4);
}
}
static int Audio_USB_Echo_Ref_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = usb_echo_ref_delay_us;
return 0;
}
static int Audio_USB_Echo_Ref_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
usb_echo_ref_delay_us = ucontrol->value.integer.value[0];
pr_debug("%s(), usb_echo_ref_delay_us = %d\n", __func__,
usb_echo_ref_delay_us);
if (usb_echo_ref_delay_us > 0) {
usb_memif_lpbk.dl_memif = Soc_Aud_Digital_Block_MEM_DL1;
usb_memif_lpbk.ul_memif = Soc_Aud_Digital_Block_MEM_MOD_DAI;
usb_memif_lpbk.delay_us = usb_echo_ref_delay_us;
set_echo_ref_path(Soc_Aud_InterCon_Connection);
memif_lpbk_enable(&usb_memif_lpbk);
} else {
memif_lpbk_disable(&usb_memif_lpbk);
set_echo_ref_path(Soc_Aud_InterCon_DisConnect);
}
return 0;
}
static const struct snd_kcontrol_new speech_usb_controls[] = {
SOC_ENUM_EXT("USB_Modem_Select", speech_usb_enum[0],
Audio_USB_MD_Select_Control_Get,
Audio_USB_MD_Select_Control_Set),
SOC_ENUM_EXT("USB_Voice_UL_Select", voice_usb_ul_enum[0],
Audio_USB_MD_UL_Select_Ctl_Get,
Audio_USB_MD_UL_Select_Ctl_Set),
SOC_ENUM_EXT("USB_Voice_Loopback_Switch", voice_usb_lpbk_enum[0],
Audio_USB_Lpbk_Get, Audio_USB_Lpbk_Set),
SOC_SINGLE_EXT("USB_Voice_Debug", SND_SOC_NOPM, 0, 0xFFFFFFFF, 0,
Audio_USB_Debug_Get, Audio_USB_Debug_Set),
SOC_SINGLE_EXT("USB_Voice_Echo_Ref", SND_SOC_NOPM, 0, 0xFFFFFFFF, 0,
Audio_USB_Echo_Ref_Get, Audio_USB_Echo_Ref_Set),
};
static void usb_md1_enable(bool enable, struct snd_pcm_runtime *runtime)
{
if (enable) {
/* connect */
if (usb_ul_select == VOICE_UL_PRIMARY) {
/* i3i4 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_ADDA_UL,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
} else {
/* dl2 i7i8 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
}
/* pcm2 i14i21 --> awb o5o6*/
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
Voice1Pcm.mPcmModeWidebandSel = SampleRateTransform(
runtime->rate, Soc_Aud_Digital_Block_MODEM_PCM_2_O);
Voice1Pcm.mAsyncFifoSel =
Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO;
SetModemPcmConfig(MODEM_1, Voice1Pcm);
SetModemPcmEnable(MODEM_1, true);
} else {
/* disconnect */
/* i3i4 -> pcm2 o17o28 */
if (usb_ul_select == VOICE_UL_PRIMARY) {
/* i3i4 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_ADDA_UL,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
} else {
/* dl2 i7i8 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
}
/* pcm2 i14 --> awb o5o6 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
SetModemPcmEnable(MODEM_1, false);
}
}
static void usb_md2_enable(bool enable, struct snd_pcm_runtime *runtime)
{
if (enable) {
/* connect */
if (usb_ul_select == VOICE_UL_PRIMARY) {
/* i3i4 -> pcm1 o7o8 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_ADDA_UL,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
} else {
/* dl2 i7i8 -> pcm1 o7o8 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
}
/* pcm1 i9i22 --> awb o5o6 */
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
Voice2IntPcm.mPcmModeWidebandSel = SampleRateTransform(
runtime->rate, Soc_Aud_Digital_Block_MODEM_PCM_1_O);
/* Voice2IntPcm.mAsyncFifoSel =
* Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO;
*/
SetModemPcmConfig(MODEM_EXTERNAL, Voice2IntPcm);
SetModemPcmEnable(MODEM_EXTERNAL, true);
} else {
/* disconnect */
/* i3i4 -> pcm1 o7o8 */
if (usb_ul_select == VOICE_UL_PRIMARY) {
/* i3i4 -> pcm1 o7o8 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_ADDA_UL,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
} else {
/* dl2 i7i8 -> pcm1 o7o8 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
}
/* pcm1 i9i22 --> awb o5o6 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
SetModemPcmEnable(MODEM_EXTERNAL, false);
}
}
static int mtk_voice_usb_close(struct snd_pcm_substream *substream)
{
int stream = substream->stream;
pr_debug("%s(), stream %d, prepare %d\n", __func__, stream,
usb_prepare_done[stream]);
if (usb_prepare_done[substream->stream]) {
usb_prepare_done[substream->stream] = false;
RemoveMemifSubStream(usb_mem_blk[stream], substream);
/* resume pbuf size */
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
set_memif_pbuf_size(usb_mem_blk[stream],
MEMIF_PBUF_SIZE_256_BYTES);
if (stream == SNDRV_PCM_STREAM_CAPTURE) {
if (usb_ul_select == VOICE_UL_PRIMARY) {
SetMemoryPathEnable(
Soc_Aud_Digital_Block_ADDA_UL, false);
if (GetMemoryPathEnable(
Soc_Aud_Digital_Block_ADDA_UL) ==
false)
set_adc_enable(false);
}
if (usb_md_select)
usb_md2_enable(false, substream->runtime);
else
usb_md1_enable(false, substream->runtime);
voice_usb_status = false;
if (usb_debug_enable & USB_DBG_ECHO_REF_ALIGN ||
disconnect_debug_path) {
SetConnection(
Soc_Aud_InterCon_DisConnect,
Soc_Aud_InterConnectionInput_I07,
Soc_Aud_InterConnectionOutput_O03);
SetConnection(
Soc_Aud_InterCon_DisConnect,
Soc_Aud_InterConnectionInput_I03,
Soc_Aud_InterConnectionOutput_O03);
SetConnection(
Soc_Aud_InterCon_DisConnect,
Soc_Aud_InterConnectionInput_I05,
Soc_Aud_InterConnectionOutput_O04);
/* stop DAC output */
SetMemoryPathEnable(
Soc_Aud_Digital_Block_I2S_OUT_DAC,
false);
if (GetI2SDacEnable() == false)
SetI2SDacEnable(false);
disconnect_debug_path = false;
}
}
}
EnableAfe(false);
AudDrv_Clk_Off();
return 0;
}
static int mtk_voice_usb_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int ret = 0;
AudDrv_Clk_On();
pr_debug("%s()\n", __func__);
runtime->hw = mtk_pcm_hardware;
memcpy((void *)(&(runtime->hw)), (void *)&mtk_pcm_hardware,
sizeof(struct snd_pcm_hardware));
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0) {
pr_warn("voice_usb_close\n");
mtk_voice_usb_close(substream);
return ret;
}
pr_debug("%s(), return\n", __func__);
return 0;
}
static int mtk_voice_usb_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int stream = substream->stream;
pr_debug("%s(), stream %d, rate = %d, ch = %d psize = %lu, prepare %d\n",
__func__, stream, runtime->rate, runtime->channels,
runtime->period_size, usb_prepare_done[stream]);
if (!usb_prepare_done[stream]) {
SetMemifSubStream(usb_mem_blk[stream], substream);
/* set memif format */
if (runtime->format == SNDRV_PCM_FORMAT_S32_LE ||
runtime->format == SNDRV_PCM_FORMAT_U32_LE)
SetMemIfFetchFormatPerSample(
usb_mem_blk[stream],
AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
else
SetMemIfFetchFormatPerSample(usb_mem_blk[stream],
AFE_WLEN_16_BIT);
SetSampleRate(usb_mem_blk[stream], runtime->rate);
SetChannels(usb_mem_blk[stream], runtime->channels);
if (runtime->channels == 1)
SetMemifMonoSel(usb_mem_blk[stream], false);
/* set pbuf size for latency */
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
set_memif_pbuf_size(usb_mem_blk[stream],
MEMIF_PBUF_SIZE_32_BYTES);
if (stream == SNDRV_PCM_STREAM_CAPTURE) {
if (usb_ul_select == VOICE_UL_PRIMARY) {
if (GetMemoryPathEnable(
Soc_Aud_Digital_Block_ADDA_UL) ==
false) {
SetMemoryPathEnable(
Soc_Aud_Digital_Block_ADDA_UL,
true);
set_adc_in(substream->runtime->rate);
set_adc_enable(true);
} else {
SetMemoryPathEnable(
Soc_Aud_Digital_Block_ADDA_UL,
true);
}
}
if (usb_md_select)
usb_md2_enable(true, runtime);
else
usb_md1_enable(true, runtime);
voice_usb_status = true;
/* setup for echo ref path */
usb_memif_lpbk.format = runtime->format;
usb_memif_lpbk.rate = runtime->rate;
usb_memif_lpbk.channel = runtime->channels;
if (usb_debug_enable & USB_DBG_ECHO_REF_ALIGN) {
SetConnection(
Soc_Aud_InterCon_Connection,
Soc_Aud_InterConnectionInput_I07,
Soc_Aud_InterConnectionOutput_O03);
SetConnection(
Soc_Aud_InterCon_Connection,
Soc_Aud_InterConnectionInput_I03,
Soc_Aud_InterConnectionOutput_O03);
SetConnection(
Soc_Aud_InterCon_Connection,
Soc_Aud_InterConnectionInput_I05,
Soc_Aud_InterConnectionOutput_O04);
/* start I2S DAC out */
if (GetMemoryPathEnable(
Soc_Aud_Digital_Block_I2S_OUT_DAC) ==
false) {
SetMemoryPathEnable(
Soc_Aud_Digital_Block_I2S_OUT_DAC,
true);
SetI2SDacOut(
substream->runtime->rate, false,
runtime->format ==
SNDRV_PCM_FORMAT_S32_LE ||
runtime->format ==
SNDRV_PCM_FORMAT_U32_LE);
SetI2SDacEnable(true);
} else {
SetMemoryPathEnable(
Soc_Aud_Digital_Block_I2S_OUT_DAC,
true);
}
disconnect_debug_path = true;
}
}
usb_prepare_done[stream] = true;
}
ClearMemBlock(usb_mem_blk[stream]);
EnableAfe(true);
return 0;
}
static int mtk_voice_usb_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int stream = substream->stream;
int ret = 0;
runtime->dma_bytes = params_buffer_bytes(hw_params);
ret = snd_pcm_lib_malloc_pages(substream, runtime->dma_bytes);
if (ret < 0) {
pr_err("%s(), allocate dram fail, ret %d\n", __func__, ret);
return ret;
}
usb_use_dram[stream] = true;
SetHighAddr(usb_mem_blk[stream], true, substream->runtime->dma_addr);
AudDrv_Emi_Clk_On();
set_mem_block(substream, hw_params,
Get_Mem_ControlT(usb_mem_blk[stream]),
usb_mem_blk[stream]);
pr_debug("%s(), substream %p, stream %d, dma_bytes = %zu, dma_area = %p, dma_addr = 0x%lx, use_dram %d\n",
__func__, substream, stream, runtime->dma_bytes,
runtime->dma_area, (long)runtime->dma_addr,
usb_use_dram[stream]);
return ret;
}
static int mtk_voice_usb_hw_free(struct snd_pcm_substream *substream)
{
pr_debug("%s(), substream = %p, stream %d\n", __func__, substream,
substream->stream);
if (usb_use_dram[substream->stream]) {
AudDrv_Emi_Clk_Off();
usb_use_dram[substream->stream] = false;
return snd_pcm_lib_free_pages(substream);
} else {
return freeAudioSram((void *)substream);
}
}
static int mtk_voice_usb_start(struct snd_pcm_substream *substream)
{
int stream = substream->stream;
pr_debug("%s(), stream %d\n", __func__, stream);
SetMemoryPathEnable(usb_mem_blk[stream], true);
/* fill some buffer fisrt, or need wait 2 irq period at first read*/
if (stream == SNDRV_PCM_STREAM_CAPTURE)
udelay(300);
/* here to set interrupt */
irq_add_user(substream, irq_request_number(usb_mem_blk[stream]),
substream->runtime->rate, substream->runtime->period_size);
EnableAfe(true);
return 0;
}
static int mtk_voice_usb_stop(struct snd_pcm_substream *substream)
{
int stream = substream->stream;
pr_debug("%s(), stream %d\n", __func__, stream);
if (usb_debug_enable & USB_DBG_ASSERT_AT_STOP) {
if (stream == SNDRV_PCM_STREAM_CAPTURE)
print_usb_dbg_log();
}
irq_remove_user(substream, irq_request_number(usb_mem_blk[stream]));
SetMemoryPathEnable(usb_mem_blk[stream], false);
ClearMemBlock(usb_mem_blk[stream]);
return 0;
}
static int mtk_voice_usb_trigger(struct snd_pcm_substream *substream, int cmd)
{
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
return mtk_voice_usb_start(substream);
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
return mtk_voice_usb_stop(substream);
}
return -EINVAL;
}
static snd_pcm_uframes_t
mtk_voice_usb_pointer_play(struct snd_pcm_substream *substream)
{
kal_int32 HW_memory_index = 0;
kal_int32 HW_Cur_ReadIdx = 0;
kal_uint32 Frameidx = 0;
kal_int32 Afe_consumed_bytes = 0;
int stream = substream->stream;
struct afe_mem_control_t *mem_ctl =
Get_Mem_ControlT(usb_mem_blk[stream]);
struct afe_block_t *Afe_Block = &mem_ctl->rBlock;
unsigned long flags;
spin_lock_irqsave(&mem_ctl->substream_lock, flags);
/*
*pr_debug("%s(), Afe_Block->u4DMAReadIdx = 0x%x\n", __func__,
* Afe_Block->u4DMAReadIdx);
*/
if (GetMemoryPathEnable(usb_mem_blk[stream]) == true) {
HW_Cur_ReadIdx = Afe_Get_Reg(AFE_DL2_CUR);
if (HW_Cur_ReadIdx == 0) {
pr_debug("%s(), HW_Cur_ReadIdx == 0\n", __func__);
HW_Cur_ReadIdx = Afe_Block->pucPhysBufAddr;
}
HW_memory_index = (HW_Cur_ReadIdx - Afe_Block->pucPhysBufAddr);
if (HW_memory_index >= Afe_Block->u4DMAReadIdx)
Afe_consumed_bytes =
HW_memory_index - Afe_Block->u4DMAReadIdx;
else {
Afe_consumed_bytes = Afe_Block->u4BufferSize +
HW_memory_index -
Afe_Block->u4DMAReadIdx;
}
/* sram (device memory) need 8 byte algin for arm64*/
Afe_consumed_bytes = word_size_align(Afe_consumed_bytes);
Afe_Block->u4DataRemained -= Afe_consumed_bytes;
Afe_Block->u4DMAReadIdx += Afe_consumed_bytes;
Afe_Block->u4DMAReadIdx %= Afe_Block->u4BufferSize;
spin_unlock_irqrestore(&mem_ctl->substream_lock, flags);
/*
* pr_debug("%s(),Rdx %x, Re%x, Cur%x, index %x, consum %x\n",
* __func__, Afe_Block->u4DMAReadIdx,
* Afe_Block->u4DataRemained, HW_Cur_ReadIdx,
* HW_memory_index, Afe_consumed_bytes);
*/
Frameidx = audio_bytes_to_frame(substream,
Afe_Block->u4DMAReadIdx);
} else {
Frameidx = audio_bytes_to_frame(substream,
Afe_Block->u4DMAReadIdx);
spin_unlock_irqrestore(&mem_ctl->substream_lock, flags);
}
return Frameidx;
}
static snd_pcm_uframes_t
mtk_voice_usb_pointer_cap(struct snd_pcm_substream *substream)
{
int stream = substream->stream;
kal_int32 HW_memory_index = 0;
kal_int32 HW_Cur_ReadIdx = 0;
kal_int32 Hw_Get_bytes = 0;
struct afe_block_t *Awb_Block =
&Get_Mem_ControlT(usb_mem_blk[stream])->rBlock;
/*
* pr_debug("%s(), Awb_Block->u4WriteIdx = 0x%x\n", __func__,
* Awb_Block->u4WriteIdx);
*/
if (GetMemoryPathEnable(usb_mem_blk[stream]) == true) {
/* sram (device memory) need 8 byte algin for arm64*/
HW_Cur_ReadIdx = word_size_align(Afe_Get_Reg(AFE_AWB_CUR));
if (HW_Cur_ReadIdx == 0) {
pr_warn("%s(), HW_Cur_ReadIdx == 0\n", __func__);
HW_Cur_ReadIdx = Awb_Block->pucPhysBufAddr;
}
HW_memory_index = HW_Cur_ReadIdx - Awb_Block->pucPhysBufAddr;
/* update for data get to hardware */
Hw_Get_bytes = (HW_Cur_ReadIdx - Awb_Block->pucPhysBufAddr) -
Awb_Block->u4WriteIdx;
if (Hw_Get_bytes < 0)
Hw_Get_bytes += Awb_Block->u4BufferSize;
Awb_Block->u4WriteIdx += Hw_Get_bytes;
Awb_Block->u4WriteIdx %= Awb_Block->u4BufferSize;
Awb_Block->u4DataRemained += Hw_Get_bytes;
/*
* pr_debug("%s RIdx=%x WIdx =%x Remain=%x Size=%x,bytes=%x\n",
* __func__, Awb_Block->u4DMAReadIdx,
* Awb_Block->u4WriteIdx, Awb_Block->u4DataRemained,
* Awb_Block->u4BufferSize, Hw_Get_bytes);
*/
/* buffer overflow */
if (Awb_Block->u4DataRemained > Awb_Block->u4BufferSize) {
pr_warn("%s overflow RIdx:%x, Wdx:%x, Re:%x,Size:%x\n",
__func__, Awb_Block->u4DMAReadIdx,
Awb_Block->u4WriteIdx,
Awb_Block->u4DataRemained,
Awb_Block->u4BufferSize);
}
/*
* pr_debug("%s(), HW_Cur_ReadIdx 0x%x, HW_memory_index 0x%x\n",
* __func__, HW_Cur_ReadIdx, HW_memory_index);
*/
if (usb_debug_enable & USB_DBG_ASSERT_AT_STOP) {
struct timespec time;
getrawmonotonic(&time);
dbg_log[dbg_log_idx % NUM_DBG_LOG].idx = dbg_log_idx;
snprintf(
dbg_log[dbg_log_idx % NUM_DBG_LOG].log,
DBG_LOG_LENGTH,
"%ld.%09ld, %s(), ReadIdx 0x%x, WriteIdx 0x%x, Remained 0x%x, BufferSize 0x%x, Get_bytes 0x%x, HW_Cur_ReadIdx 0x%x, HW_memory_index 0x%x",
time.tv_sec, time.tv_nsec, __func__,
Awb_Block->u4DMAReadIdx, Awb_Block->u4WriteIdx,
Awb_Block->u4DataRemained,
Awb_Block->u4BufferSize, Hw_Get_bytes,
HW_Cur_ReadIdx, HW_memory_index);
dbg_log_idx++;
}
return audio_bytes_to_frame(substream, HW_memory_index);
}
return 0;
}
static snd_pcm_uframes_t
mtk_voice_usb_pointer(struct snd_pcm_substream *substream)
{
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
return mtk_voice_usb_pointer_play(substream);
else
return mtk_voice_usb_pointer_cap(substream);
}
static int mtk_voice_usb_copy(struct snd_pcm_substream *substream,
int channel,
unsigned long pos,
void __user *buf,
unsigned long bytes)
{
int stream = substream->stream;
return mtk_memblk_copy(substream, channel, pos, buf, bytes,
Get_Mem_ControlT(usb_mem_blk[stream]),
usb_mem_blk[stream]);
}
static struct snd_pcm_ops mtk_voice_usb_ops = {
.open = mtk_voice_usb_open,
.close = mtk_voice_usb_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = mtk_voice_usb_hw_params,
.hw_free = mtk_voice_usb_hw_free,
.prepare = mtk_voice_usb_prepare,
.trigger = mtk_voice_usb_trigger,
.pointer = mtk_voice_usb_pointer,
.copy_user = mtk_voice_usb_copy,
};
static int mtk_voice_usb_component_probe(struct snd_soc_component *component)
{
snd_soc_add_component_controls(component, speech_usb_controls,
ARRAY_SIZE(speech_usb_controls));
return 0;
}
static int mtk_voice_usb_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
size_t size;
struct snd_card *card = rtd->card->snd_card;
struct snd_pcm *pcm = rtd->pcm;
size = mtk_pcm_hardware.buffer_bytes_max;
return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev, size, size);
}
static void mtk_voice_usb_pcm_free(struct snd_pcm *pcm)
{
snd_pcm_lib_preallocate_free_for_all(pcm);
}
static struct snd_soc_component_driver mtk_soc_voice_usb_component = {
.name = AFE_PCM_NAME,
.ops = &mtk_voice_usb_ops,
.probe = mtk_voice_usb_component_probe,
.pcm_new = mtk_voice_usb_pcm_new,
.pcm_free = mtk_voice_usb_pcm_free,
};
static int mtk_voice_usb_probe(struct platform_device *pdev)
{
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
if (!pdev->dev.dma_mask)
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
if (pdev->dev.of_node)
dev_set_name(&pdev->dev, "%s", MT_SOC_VOICE_USB);
pdev->name = pdev->dev.kobj.name;
usb_memif_lpbk.dev = &pdev->dev;
pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
return snd_soc_register_component(&pdev->dev,
&mtk_soc_voice_usb_component,
NULL,
0);
}
static int mtk_voice_usb_remove(struct platform_device *pdev)
{
snd_soc_unregister_component(&pdev->dev);
return 0;
}
static const struct of_device_id mt_soc_pcm_voice_usb_of_ids[] = {
{
.compatible = "mediatek,mt_soc_pcm_voice_usb",
},
{} };
static struct platform_driver mtk_voice_usb_driver = {
.driver = {
.name = MT_SOC_VOICE_USB,
.owner = THIS_MODULE,
.of_match_table = mt_soc_pcm_voice_usb_of_ids,
},
.probe = mtk_voice_usb_probe,
.remove = mtk_voice_usb_remove,
};
module_platform_driver(mtk_voice_usb_driver);
MODULE_DESCRIPTION("AFE PCM module platform driver");
MODULE_LICENSE("GPL");
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