aubrey/kernel_samsung_a34x-permissive
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity
kernel_samsung_a34x-permissive/sound/soc/mediatek/common_int/mtk-soc-pcm-voice-scp.c

1022 lines
30 KiB
C
Raw Permalink Normal View History

Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Michael Hsiao <michael.hsiao@mediatek.com>
*/
/*******************************************************************************
*
* Filename:
* ---------
* mt-soc-pcm-voice-scp.c
*
* Project:
* --------
* voice scp path
*
* Description:
* ------------
* Audio mrgrx playback
*
* Author:
* -------
* Chipeng Chang
*
*------------------------------------------------------------------------------
*
******************************************************************************
*/
/*****************************************************************************
* 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 "audio_ipi_client_spkprotect.h"
#include "mtk-auddrv-afe.h"
#include "mtk-auddrv-clk.h"
#include "mtk-auddrv-common.h"
#include "mtk-auddrv-def.h"
#include "mtk-auddrv-kernel.h"
#include "mtk-auddrv-scp-spkprotect-common.h"
#include "mtk-soc-afe-control.h"
#include "mtk-soc-pcm-common.h"
#include "mtk-soc-pcm-platform.h"
#include <linux/dma-mapping.h>
#ifdef CONFIG_MTK_AUDIO_SCP_SPKPROTECT_SUPPORT
#include "scp_helper.h"
#include <audio_ipi_client_spkprotect.h>
#include <audio_task_manager.h>
#endif
#define use_wake_lock
#ifdef use_wake_lock
static DEFINE_SPINLOCK(scp_voice_lock);
struct wakeup_source scp_voice_suspend_lock;
#endif
static unsigned int mscp_voice_PlaybackDramState;
static unsigned int mscp_voice_mdbackDramState;
static unsigned int scp_voice_mdback_user;
static unsigned int mscp_voice_FeedbackDramState;
static unsigned int scp_voice_feedback_user;
static int mscp_voice_iv_meminterface_type;
static bool mscp_voice_PrepareDone;
static int mscp_voice_md_select;
static const void *scp_voice_irq_user_id;
static unsigned int scp_voice_irq_cnt;
static int mscp_voice_hdoutput_control;
static struct device *mDev;
static struct snd_dma_buffer
scp_voice_DramBuffer; /* scp pre allcoate dram buffer*/
static struct snd_dma_buffer scp_voice_mddl_dma_buf;
static struct snd_dma_buffer scp_voice_runtime_feedback_dma_buf;
/* real time for IV feedback buffer */
static struct snd_dma_buffer scp_voice_DL1Buffer;
struct SPK_PROTECT_SERVICE {
bool ipiwait;
bool ipiresult;
};
#ifdef CONFIG_MTK_TINYSYS_SCP_SUPPORT
static const int scpvoiceDL1BufferOffset = SCPDL1_MAX_BUFFER_SIZE;
static int scp_voice_Irq_mode = Soc_Aud_IRQ_MCU_MODE_IRQ7_MCU_MODE;
#endif
/* function implementation */
static int mtk_scp_voice_probe(struct platform_device *pdev);
static int mtk_pcm_voice_scp_close(struct snd_pcm_substream *substream);
static int mtk_asoc_pcm_voice_scp_new(struct snd_soc_pcm_runtime *rtd);
static int mtk_afe_voice_scp_component_probe(struct snd_soc_component *component);
static void
stop_scp_voice_i2s2adc2_hardware(struct snd_pcm_substream *substream);
static void
start_scp_voice_i2s2adc2_hardware(struct snd_pcm_substream *substream);
static void scp_voice_md2_enable(bool enable, struct snd_pcm_runtime *runtime);
static void scp_voice_md1_enable(bool enable, struct snd_pcm_runtime *runtime);
#ifdef use_wake_lock
static void scp_voice_int_wakelock(bool enable)
{
spin_lock(&scp_voice_lock);
if (enable == true)
aud_wake_lock(&scp_voice_suspend_lock);
else
aud_wake_unlock(&scp_voice_suspend_lock);
spin_unlock(&scp_voice_lock);
}
#endif
static const char *const scp_voice_hd_output[] = {"Off", "On"};
static const struct soc_enum audio_scp_voice_Enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(scp_voice_hd_output),
scp_voice_hd_output),
};
static const char * const voice_scpspk_pcmdump[] = {"Off", "On"};
static const struct soc_enum audio_scp_voice_pcmdump_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(voice_scpspk_pcmdump),
voice_scpspk_pcmdump),
};
static int audio_scp_voice_hdoutput_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("Audio_AmpR_Get = %d\n", mscp_voice_hdoutput_control);
ucontrol->value.integer.value[0] = mscp_voice_hdoutput_control;
return 0;
}
static int audio_scp_voice_hdoutput_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
if (ucontrol->value.enumerated.item[0] >
ARRAY_SIZE(scp_voice_hd_output)) {
pr_debug("return -EINVAL\n");
return -EINVAL;
}
mscp_voice_hdoutput_control = ucontrol->value.integer.value[0];
if (GetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_HDMI) == true) {
pr_debug("return HDMI enabled\n");
return 0;
}
return 0;
}
static const char *const scp_md_choose[] = {"md1", "md2"};
static const struct soc_enum speech_scp_voice_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(scp_md_choose), scp_md_choose),
};
static int Audio_Voice_Scp_MD_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s = %d\n", __func__, mscp_voice_md_select);
ucontrol->value.integer.value[0] = mscp_voice_md_select;
return 0;
}
static int Audio_Voice_Scp_MD_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
mscp_voice_md_select = ucontrol->value.integer.value[0];
return 0;
}
static int mScp_Voice_Debug;
static int Audio_Scp_Debug_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("Audio_Wcn_Cmb_Get = %d\n", mScp_Voice_Debug);
ucontrol->value.integer.value[0] = mScp_Voice_Debug;
return 0;
}
static int Audio_ScpSpk_Debug_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
mScp_Voice_Debug = ucontrol->value.integer.value[0];
pr_debug("%s mAudio_Wcn_Cmb = 0x%x\n", __func__, mScp_Voice_Debug);
return 0;
}
static int audio_scp_voice_Irqcnt_Get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
AudDrv_Clk_On();
ucontrol->value.integer.value[0] = Afe_Get_Reg(AFE_IRQ_MCU_CNT7);
AudDrv_Clk_Off();
return 0;
}
static int audio_scp_voice_Irqcnt_Set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
pr_debug("%s(), irq_user_id = %p, irq1_cnt = %d, value = %ld\n",
__func__, scp_voice_irq_user_id, scp_voice_irq_cnt,
ucontrol->value.integer.value[0]);
if (scp_voice_irq_cnt == ucontrol->value.integer.value[0])
return 0;
scp_voice_irq_cnt = ucontrol->value.integer.value[0];
AudDrv_Clk_On();
if (scp_voice_irq_user_id && scp_voice_irq_cnt)
irq_update_user(scp_voice_irq_user_id,
Soc_Aud_IRQ_MCU_MODE_IRQ7_MCU_MODE, 0,
scp_voice_irq_cnt);
else
pr_notice(
"warn, cannot update irq counter, user_id = %p, irq1_cnt = %d\n",
scp_voice_irq_user_id, scp_voice_irq_cnt);
AudDrv_Clk_Off();
return 0;
}
static const struct snd_kcontrol_new Audio_Scp_voice_controls[] = {
SOC_SINGLE_EXT("Audio_Scp_Voice_Debug_Info", SND_SOC_NOPM, 0, 0x80000,
0, Audio_Scp_Debug_Get, Audio_ScpSpk_Debug_Set),
SOC_ENUM_EXT("Audio_Scp_Voice_MD_Select", speech_scp_voice_enum[0],
Audio_Voice_Scp_MD_Get, Audio_Voice_Scp_MD_Set),
SOC_ENUM_EXT("Audio_scp_voice_hd_Switch", audio_scp_voice_Enum[0],
audio_scp_voice_hdoutput_get,
audio_scp_voice_hdoutput_set),
SOC_SINGLE_EXT("Scp_Voice_Irq_Cnt", SND_SOC_NOPM, 0, IRQ_MAX_RATE, 0,
audio_scp_voice_Irqcnt_Get, audio_scp_voice_Irqcnt_Set),
};
#define SPK_IPIMSG_TIMEOUT 50
#define SPK_WAITCHECK_INTERVAL_MS (2)
static struct snd_pcm_hardware mtk_scp_voice_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_NORMAL_USE_RATE,
.rate_min = SOC_NORMAL_USE_RATE_MIN,
.rate_max = SOC_NORMAL_USE_RATE_MAX,
.channels_min = SOC_HIGH_USE_CHANNELS_MIN,
.channels_max = SOC_HIGH_USE_CHANNELS_MAX,
.buffer_bytes_max = MAX_BUFFER_SIZE,
.period_bytes_max = MAX_PERIOD_SIZE,
.periods_min = 1,
.periods_max = 4096,
.fifo_size = 0,
};
static int mtk_pcm_scp_voice_stop(struct snd_pcm_substream *substream)
{
scp_voice_irq_user_id = NULL;
pr_debug("%s\n", __func__);
irq_remove_user(substream, scp_voice_Irq_mode);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1, false);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_AWB, false);
stop_scp_voice_i2s2adc2_hardware(substream);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_I2S1_DAC);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_I2S3);
if (mscp_voice_md_select)
scp_voice_md2_enable(false, substream->runtime);
else
scp_voice_md1_enable(false, substream->runtime);
EnableAfe(false);
ClearMemBlock(Soc_Aud_Digital_Block_MEM_DL1);
#ifdef CONFIG_MTK_AUDIO_SCP_SPKPROTECT_SUPPORT
spkproc_service_ipicmd_send(AUDIO_IPI_MSG_ONLY,
AUDIO_IPI_MSG_DIRECT_SEND,
SPK_PROTECT_SPEECH_STOP, 1, 0, NULL);
#endif
return 0;
}
static unsigned int Previous_Hw_cur;
static snd_pcm_uframes_t
mtk_pcm_scp_voice_pointer(struct snd_pcm_substream *substream)
{
snd_pcm_uframes_t return_frames;
return_frames = (Previous_Hw_cur >> 2);
return return_frames;
}
static int scp_voice_get_scpdram_buffer(void)
{
struct scp_spk_reserved_mem_t *reserved_mem;
reserved_mem = get_scp_spk_reserved_mem();
scp_voice_DramBuffer.addr = reserved_mem->phy_addr;
scp_voice_DramBuffer.area = (kal_uint8 *)reserved_mem->vir_addr;
scp_voice_DramBuffer.bytes = reserved_mem->size;
pr_debug(
"%s scp_voice_DramBuffer.addr = %llx scp_voice_DramBuffer.area = %p bytes = %zu\n",
__func__, scp_voice_DramBuffer.addr, scp_voice_DramBuffer.area,
scp_voice_DramBuffer.bytes);
return 0;
}
/* dm data with AWB*/
static int scp_voice_allocate_mddl_buffer(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
int ret = 0;
unsigned int buffer_size = 0;
buffer_size = params_buffer_bytes(hw_params);
scp_voice_mddl_dma_buf.bytes = buffer_size;
if (AllocateAudioSram(&scp_voice_mddl_dma_buf.addr,
&scp_voice_mddl_dma_buf.area,
scp_voice_mddl_dma_buf.bytes,
(void *)&scp_voice_mdback_user,
params_format(hw_params), false) == 0)
SetHighAddr(Soc_Aud_Digital_Block_MEM_AWB, false,
scp_voice_mddl_dma_buf.addr);
else {
scp_voice_mddl_dma_buf.addr = scp_voice_DramBuffer.addr;
scp_voice_mddl_dma_buf.area =
(unsigned char *)scp_voice_DramBuffer.area;
scp_voice_mddl_dma_buf.bytes = buffer_size;
SetHighAddr(Soc_Aud_Digital_Block_MEM_AWB, true,
scp_voice_mddl_dma_buf.addr);
mscp_voice_mdbackDramState = true;
AudDrv_Emi_Clk_On();
}
set_memif_addr(Soc_Aud_Digital_Block_MEM_AWB,
scp_voice_mddl_dma_buf.addr,
scp_voice_mddl_dma_buf.bytes);
pr_debug(
"%s addr = %llx area = %p bytes = %zu mscp_voice_mdbackDramState = %u\n",
__func__, scp_voice_mddl_dma_buf.addr,
scp_voice_mddl_dma_buf.area, scp_voice_mddl_dma_buf.bytes,
mscp_voice_mdbackDramState);
return ret;
return 0;
}
/* spk iv feedback data*/
static int
scp_voice_allocate_feedback_buffer(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
int ret = 0;
unsigned int buffer_size = 0;
buffer_size = params_buffer_bytes(hw_params);
scp_voice_runtime_feedback_dma_buf.bytes = buffer_size;
if (AllocateAudioSram(&scp_voice_runtime_feedback_dma_buf.addr,
&scp_voice_runtime_feedback_dma_buf.area,
scp_voice_runtime_feedback_dma_buf.bytes,
(void *)&scp_voice_feedback_user,
params_format(hw_params), false) == 0)
SetHighAddr(mscp_voice_iv_meminterface_type, false,
scp_voice_runtime_feedback_dma_buf.addr);
else {
scp_voice_runtime_feedback_dma_buf.addr =
scp_voice_DramBuffer.addr + scpvoiceDL1BufferOffset;
scp_voice_runtime_feedback_dma_buf.area =
(unsigned char *)scp_voice_DramBuffer.area +
buffer_size;
scp_voice_runtime_feedback_dma_buf.bytes = buffer_size;
SetHighAddr(mscp_voice_iv_meminterface_type, true,
scp_voice_runtime_feedback_dma_buf.addr);
mscp_voice_FeedbackDramState = true;
AudDrv_Emi_Clk_On();
}
set_memif_addr(mscp_voice_iv_meminterface_type,
scp_voice_runtime_feedback_dma_buf.addr,
scp_voice_runtime_feedback_dma_buf.bytes);
pr_debug(
"%s addr = %llx area = %p bytes = %zu mscp_voice_FeedbackDramState = %u\n",
__func__, scp_voice_runtime_feedback_dma_buf.addr,
scp_voice_runtime_feedback_dma_buf.area,
scp_voice_runtime_feedback_dma_buf.bytes,
mscp_voice_FeedbackDramState);
return ret;
}
/* DL data can use Sram or Dram*/
static int
scp_voice_allocate_platformdl_buffer(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
int ret = 0;
unsigned int buffer_size = params_buffer_bytes(hw_params);
scp_voice_DL1Buffer.bytes = buffer_size;
if (buffer_size <= GetPLaybackSramFullSize() &&
AllocateAudioSram(&scp_voice_DL1Buffer.addr,
&scp_voice_DL1Buffer.area,
scp_voice_DL1Buffer.bytes,
substream, params_format(hw_params),
false) == 0) {
AudDrv_Allocate_DL1_Buffer(mDev,
scp_voice_DL1Buffer.bytes,
scp_voice_DL1Buffer.addr,
scp_voice_DL1Buffer.area);
SetHighAddr(Soc_Aud_Digital_Block_MEM_DL1, false,
scp_voice_DL1Buffer.addr);
} else {
scp_voice_DL1Buffer.addr =
scp_voice_DramBuffer.addr + scpvoiceDL1BufferOffset * 2;
scp_voice_DL1Buffer.area =
(unsigned char *)scp_voice_DramBuffer.area +
buffer_size;
scp_voice_DL1Buffer.bytes = buffer_size;
SetHighAddr(Soc_Aud_Digital_Block_MEM_DL1, true,
scp_voice_DL1Buffer.addr);
mscp_voice_PlaybackDramState = true;
AudDrv_Emi_Clk_On();
}
set_memif_addr(Soc_Aud_Digital_Block_MEM_DL1, scp_voice_DL1Buffer.addr,
scp_voice_DL1Buffer.bytes);
memset_io(scp_voice_DL1Buffer.area, 0, scp_voice_DL1Buffer.bytes);
pr_debug(
"%s scp_voice_DL1Buffer.addr = %llx scp_voice_DL1Buffer.area = %p bytes = %zu\n",
__func__, scp_voice_DL1Buffer.addr, scp_voice_DL1Buffer.area,
scp_voice_DL1Buffer.bytes);
return ret;
}
static int mtk_pcm_scp_voice_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
int ret = 0;
#ifdef CONFIG_MTK_AUDIO_SCP_SPKPROTECT_SUPPORT
unsigned int payloadlen = 0;
audio_task_register_callback(TASK_SCENE_SPEAKER_PROTECTION,
spkproc_service_ipicmd_received, NULL);
scp_voice_get_scpdram_buffer();
scp_voice_allocate_mddl_buffer(substream, hw_params);
scp_voice_allocate_feedback_buffer(substream, hw_params);
scp_voice_allocate_platformdl_buffer(substream, hw_params);
payloadlen = spkproc_ipi_pack_payload(
SPK_PROTECT_SPEECH_MDFEEDBACKPARAM,
mscp_voice_mdbackDramState, Soc_Aud_Digital_Block_MEM_AWB,
&scp_voice_mddl_dma_buf, substream);
spkproc_service_ipicmd_send(AUDIO_IPI_PAYLOAD, AUDIO_IPI_MSG_NEED_ACK,
SPK_PROTECT_SPEECH_MDFEEDBACKPARAM,
payloadlen, 0,
(char *)spkproc_ipi_get_payload());
payloadlen =
spkproc_ipi_pack_payload(SPK_PROTECT_SPEECH_DLMEMPARAM,
mscp_voice_PlaybackDramState,
Soc_Aud_Digital_Block_MEM_DL1,
&scp_voice_DL1Buffer, substream);
spkproc_service_ipicmd_send(AUDIO_IPI_PAYLOAD, AUDIO_IPI_MSG_NEED_ACK,
SPK_PROTECT_SPEECH_DLMEMPARAM,
payloadlen, 0,
(char *)spkproc_ipi_get_payload());
payloadlen =
spkproc_ipi_pack_payload(SPK_PROTECT_SPEECH_IVMEMPARAM,
mscp_voice_PlaybackDramState,
mscp_voice_iv_meminterface_type,
&scp_voice_runtime_feedback_dma_buf,
substream);
spkproc_service_ipicmd_send(AUDIO_IPI_PAYLOAD, AUDIO_IPI_MSG_NEED_ACK,
SPK_PROTECT_SPEECH_IVMEMPARAM,
payloadlen, 0,
(char *)spkproc_ipi_get_payload());
#endif
pr_debug("dma_bytes = %zu dma_area = %p dma_addr = 0x%lx\n",
substream->runtime->dma_bytes, substream->runtime->dma_area,
(long)substream->runtime->dma_addr);
return ret;
}
static int mtk_pcm_scp_voice_hw_free(struct snd_pcm_substream *substream)
{
pr_debug("%s substream = %p\n", __func__, substream);
if (mscp_voice_PlaybackDramState == true) {
AudDrv_Emi_Clk_Off();
mscp_voice_PlaybackDramState = false;
} else {
freeAudioSram((void *)substream);
}
if (mscp_voice_FeedbackDramState == true) {
AudDrv_Emi_Clk_Off();
mscp_voice_FeedbackDramState = false;
} else {
freeAudioSram((void *)&scp_voice_feedback_user);
}
if (mscp_voice_mdbackDramState == true) {
AudDrv_Emi_Clk_Off();
mscp_voice_mdbackDramState = false;
} else {
freeAudioSram((void *)&scp_voice_mdback_user);
}
return 0;
}
static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
.count = ARRAY_SIZE(soc_voice_supported_sample_rates),
.list = soc_voice_supported_sample_rates,
.mask = 0,
};
static int mtk_pcm_scp_voice_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int ret = 0;
pr_debug("+%s\n", __func__);
mscp_voice_PlaybackDramState = false;
scp_reset_check();
runtime->hw = mtk_scp_voice_hardware;
memcpy((void *)(&(runtime->hw)), (void *)&mtk_scp_voice_hardware,
sizeof(struct snd_pcm_hardware));
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
pr_debug(
"%s runtime rate = %d channels = %d substream->pcm->device = %d\n",
__func__, runtime->rate, runtime->channels,
substream->pcm->device);
runtime->hw.info |= SNDRV_PCM_INFO_INTERLEAVED;
runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
if (ret < 0) {
pr_warn("mtk_pcm_voice_scp_close\n");
mtk_pcm_voice_scp_close(substream);
return ret;
}
AudDrv_Clk_On();
mscp_voice_iv_meminterface_type =
get_usage_digital_block(AUDIO_USAGE_SCP_SPK_IV_DATA);
if (mscp_voice_iv_meminterface_type < 0) {
pr_info("%s get_pcm_mem_id err using VUL_Data2 as default\n",
__func__);
mscp_voice_iv_meminterface_type =
Soc_Aud_Digital_Block_MEM_VUL_DATA2;
}
#ifdef use_wake_lock
scp_voice_int_wakelock(true);
#endif
scp_register_feature(SPEAKER_PROTECT_FEATURE_ID);
#ifdef CONFIG_MTK_AUDIO_SCP_SPKPROTECT_SUPPORT
spkproc_service_ipicmd_send(AUDIO_IPI_MSG_ONLY, AUDIO_IPI_MSG_NEED_ACK,
SPK_PROTECT_SPEECH_OPEN,
Soc_Aud_IRQ_MCU_MODE_IRQ7_MCU_MODE,
0, NULL);
#endif
pr_debug("%s return\n", __func__);
return 0;
}
static int mtk_pcm_voice_scp_close(struct snd_pcm_substream *substream)
{
pr_debug("%s\n", __func__);
if (mscp_voice_PrepareDone == true) {
if (mscp_voice_hdoutput_control == true) {
pr_debug("%s mscp_voice_hdoutput_control == %d\n",
__func__, mscp_voice_hdoutput_control);
EnableI2SCLKDiv(Soc_Aud_I2S1_MCKDIV, false);
EnableI2SCLKDiv(Soc_Aud_I2S3_MCKDIV, false);
}
set_memif_pbuf_size(Soc_Aud_Digital_Block_MEM_DL1,
MEMIF_PBUF_SIZE_256_BYTES);
mscp_voice_PrepareDone = false;
}
#ifdef CONFIG_MTK_AUDIO_SCP_SPKPROTECT_SUPPORT
spkproc_service_ipicmd_send(AUDIO_IPI_MSG_ONLY, AUDIO_IPI_MSG_NEED_ACK,
SPK_PROTECT_SPEECH_CLOSE, 1, 0, NULL);
#endif
scp_deregister_feature(SPEAKER_PROTECT_FEATURE_ID);
#ifdef use_wake_lock
scp_voice_int_wakelock(false);
#endif
scp_voice_irq_cnt = 0; /* reset scp_voice_irq_cnt */
AudDrv_Clk_Off();
return 0;
}
static void scp_voice_md1_enable(bool enable, struct snd_pcm_runtime *runtime)
{
if (enable) {
/* dis connecnect */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_I2S1_DAC);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_I2S3);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_I2S2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O_CH4);
/* connect */
/* pcm2 i14i21 --> vul o5o6*/
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL1_CH1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O_CH4);
} else {
/* i3i4 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1,
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);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1_CH1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O_CH4);
}
}
static void scp_voice_md2_enable(bool enable, struct snd_pcm_runtime *runtime)
{
if (enable) {
/* dis connecnect */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_I2S1_DAC);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_I2S3);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_I2S2,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O_CH4);
/* pcm2 i14i21 --> vul o5o6*/
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL1_CH1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O_CH4);
} else {
/* i3i4 -> pcm2 o17o28 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
/* pcm2 i14 --> awb o5o6 */
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
Soc_Aud_AFE_IO_Block_MEM_AWB);
SetIntfConnection(Soc_Aud_InterCon_DisConnect,
Soc_Aud_AFE_IO_Block_MEM_DL1_CH1,
Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O_CH4);
}
}
static int mtk_pcm_scp_voice_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int payloadlen = 0;
pr_debug("%s rate = %d\n", __func__, runtime->rate);
if (mscp_voice_PrepareDone == false) {
/* set memif format */
if (runtime->format == SNDRV_PCM_FORMAT_S32_LE ||
runtime->format == SNDRV_PCM_FORMAT_U32_LE) {
SetMemIfFetchFormatPerSample(
Soc_Aud_Digital_Block_MEM_DL1,
AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
SetMemIfFetchFormatPerSample(
Soc_Aud_Digital_Block_MEM_AWB,
AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
SetMemIfFetchFormatPerSample(
Soc_Aud_Digital_Block_MEM_AWB2,
AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
if (mscp_voice_iv_meminterface_type ==
Soc_Aud_Digital_Block_MEM_AWB2)
SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
Soc_Aud_AFE_IO_Block_MEM_AWB2);
else
SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
Soc_Aud_AFE_IO_Block_MEM_VUL_DATA2);
SetMemIfFetchFormatPerSample(
mscp_voice_iv_meminterface_type,
AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
Soc_Aud_AFE_IO_Block_I2S3);
SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
Soc_Aud_AFE_IO_Block_I2S1_DAC);
SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
} else {
SetMemIfFetchFormatPerSample(
Soc_Aud_Digital_Block_MEM_DL1, AFE_WLEN_16_BIT);
SetMemIfFetchFormatPerSample(
Soc_Aud_Digital_Block_MEM_AWB, AFE_WLEN_16_BIT);
SetMemIfFetchFormatPerSample(
Soc_Aud_Digital_Block_MEM_AWB2,
AFE_WLEN_16_BIT);
if (mscp_voice_iv_meminterface_type ==
Soc_Aud_Digital_Block_MEM_AWB2)
SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
Soc_Aud_AFE_IO_Block_MEM_AWB2);
else
SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
Soc_Aud_AFE_IO_Block_MEM_VUL_DATA2);
SetMemIfFetchFormatPerSample(
mscp_voice_iv_meminterface_type,
AFE_WLEN_16_BIT);
SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
Soc_Aud_AFE_IO_Block_I2S3);
SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
Soc_Aud_AFE_IO_Block_I2S1_DAC);
SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
}
set_memif_pbuf_size(Soc_Aud_Digital_Block_MEM_DL1,
MEMIF_PBUF_SIZE_32_BYTES);
if (mscp_voice_hdoutput_control == true) {
pr_debug("%s mscp_voice_hdoutput_control == %d\n",
__func__, mscp_voice_hdoutput_control);
SetCLkMclk(Soc_Aud_I2S1,
runtime->rate); /* select I2S */
SetCLkMclk(Soc_Aud_I2S3, runtime->rate);
EnableI2SCLKDiv(Soc_Aud_I2S1_MCKDIV, true);
EnableI2SCLKDiv(Soc_Aud_I2S3_MCKDIV, true);
}
if (mscp_voice_md_select)
scp_voice_md2_enable(true, runtime);
else
scp_voice_md1_enable(true, runtime);
mscp_voice_PrepareDone = true;
}
#ifdef CONFIG_MTK_TINYSYS_SCP_SUPPORT
payloadlen = spkproc_ipi_pack_payload(SPK_PROTECT_SPEECH_PREPARE, 0, 0,
NULL, substream);
spkproc_service_ipicmd_send(AUDIO_IPI_PAYLOAD, AUDIO_IPI_MSG_BYPASS_ACK,
SPK_PROTECT_SPEECH_PREPARE, payloadlen, 0,
(char *)spkproc_ipi_get_payload());
#endif
return 0;
}
static void
stop_scp_voice_i2s2adc2_hardware(struct snd_pcm_substream *substream)
{
SetMemoryPathEnable(mscp_voice_iv_meminterface_type, false);
}
static void
start_scp_voice_i2s2adc2_hardware(struct snd_pcm_substream *substream)
{
SetSampleRate(mscp_voice_iv_meminterface_type,
substream->runtime->rate);
SetChannels(mscp_voice_iv_meminterface_type,
substream->runtime->channels);
SetMemoryPathEnable(mscp_voice_iv_meminterface_type, true);
}
static int mtk_pcm_scp_voice_start(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
pr_debug("%s\n", __func__);
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_I2S1_DAC);
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
SetIntfConnection(Soc_Aud_InterCon_Connection,
Soc_Aud_AFE_IO_Block_MEM_DL1,
Soc_Aud_AFE_IO_Block_I2S3);
#ifdef CONFIG_MTK_AUDIO_SCP_SPKPROTECT_SUPPORT
spkproc_service_ipicmd_send(
AUDIO_IPI_MSG_ONLY, AUDIO_IPI_MSG_DIRECT_SEND,
SPK_PROTECT_SPEECH_START, 1, 0, NULL);
#endif
SetSampleRate(Soc_Aud_Digital_Block_MEM_DL1, runtime->rate);
SetChannels(Soc_Aud_Digital_Block_MEM_DL1, runtime->channels);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1, true);
SetSampleRate(Soc_Aud_Digital_Block_MEM_AWB, runtime->rate);
SetChannels(Soc_Aud_Digital_Block_MEM_AWB, runtime->channels);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_AWB, true);
start_scp_voice_i2s2adc2_hardware(substream);
/* here to set interrupt */
irq_add_user(substream, Soc_Aud_IRQ_MCU_MODE_IRQ7_MCU_MODE,
substream->runtime->rate,
scp_voice_irq_cnt ? scp_voice_irq_cnt
: substream->runtime->period_size);
scp_voice_irq_user_id = substream;
EnableAfe(true);
return 0;
}
static int mtk_pcm_scp_voice_trigger(struct snd_pcm_substream *substream,
int cmd)
{
pr_debug("%s cmd = %d\n", __func__, cmd);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
return mtk_pcm_scp_voice_start(substream);
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
return mtk_pcm_scp_voice_stop(substream);
}
return -EINVAL;
}
static int mtk_pcm_scp_voice_copy(struct snd_pcm_substream *substream,
int channel,
unsigned long pos,
void __user *buf,
unsigned long bytes)
{
count = bytes;
return count;
}
static struct snd_pcm_ops mtk_scp_voice_ops = {
.open = mtk_pcm_scp_voice_open,
.close = mtk_pcm_voice_scp_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = mtk_pcm_scp_voice_hw_params,
.hw_free = mtk_pcm_scp_voice_hw_free,
.prepare = mtk_pcm_scp_voice_prepare,
.trigger = mtk_pcm_scp_voice_trigger,
.pointer = mtk_pcm_scp_voice_pointer,
.copy_user = mtk_pcm_scp_voice_copy,
};
static struct snd_soc_component_driver mtk_scp_voice_soc_component = {
.name = AFE_PCM_NAME,
.ops = &mtk_scp_voice_ops,
.pcm_new = mtk_asoc_pcm_voice_scp_new,
.probe = mtk_afe_voice_scp_component_probe,
};
static int mtk_scp_voice_probe(struct platform_device *pdev)
{
pr_debug("%s\n", __func__);
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_SCP_VOICE_PCM);
pdev->name = pdev->dev.kobj.name;
pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
mDev = &pdev->dev;
return snd_soc_register_component(&pdev->dev,
&mtk_scp_voice_soc_component,
NULL,
0);
}
static int mtk_asoc_pcm_voice_scp_new(struct snd_soc_pcm_runtime *rtd)
{
int ret = 0;
pr_debug("%s\n", __func__);
return ret;
}
static int mtk_afe_voice_scp_component_probe(struct snd_soc_component *component)
{
pr_debug("%s\n", __func__);
snd_soc_add_platform_controls(component, Audio_Scp_voice_controls,
ARRAY_SIZE(Audio_Scp_voice_controls));
#ifdef use_wake_lock
aud_wake_lock_init(&scp_voice_suspend_lock, "scpvoice lock");
#endif
return 0;
}
static int mtk_scp_voice_remove(struct platform_device *pdev)
{
pr_debug("%s\n", __func__);
#ifdef use_wake_lock
aud_wake_lock_destroy(&scp_voice_suspend_lock);
#endif
snd_soc_unregister_component(&pdev->dev);
return 0;
}
#ifdef CONFIG_OF
static const struct of_device_id mt_soc_pcm_scp_voice_of_ids[] = {
{
.compatible = "mediatek,mt_soc_pcm_voice_scp",
},
{} };
#endif
static struct platform_driver mtk_scp_voice_driver = {
.driver = {
.name = MT_SOC_SCP_VOICE_PCM,
.owner = THIS_MODULE,
#ifdef CONFIG_OF
.of_match_table = mt_soc_pcm_scp_voice_of_ids,
#endif
},
.probe = mtk_scp_voice_probe,
.remove = mtk_scp_voice_remove,
};
#ifndef CONFIG_OF
static struct platform_device *soc_mtk_scp_voice_dev;
#endif
static int __init mtk_scp_voice_soc_platform_init(void)
{
int ret = 0;
pr_debug("%s\n", __func__);
#ifndef CONFIG_OF
soc_mtk_scp_voice_dev = platform_device_alloc(MT_SOC_SCP_VOICE_PCM, -1);
if (!soc_mtk_scp_voice_dev)
return -ENOMEM;
ret = platform_device_add(soc_mtk_scp_voice_dev);
if (ret != 0) {
platform_device_put(soc_mtk_scp_voice_dev);
return ret;
}
#endif
ret = platform_driver_register(&mtk_scp_voice_driver);
return ret;
}
module_init(mtk_scp_voice_soc_platform_init);
static void __exit mtk_scp_voice_soc_platform_exit(void)
{
platform_driver_unregister(&mtk_scp_voice_driver);
}
module_exit(mtk_scp_voice_soc_platform_exit);
MODULE_DESCRIPTION("scp voice module platform driver");
MODULE_LICENSE("GPL");
Reference in a new issue Copy permalink