464 lines
12 KiB
C
464 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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* Author: Michael Hsiao <michael.hsiao@mediatek.com>
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*/
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/*******************************************************************************
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*
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* Filename:
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* ---------
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* mt_soc_pcm_mrgrx.c
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*
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* Project:
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* --------
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* merge interface rx
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*
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* Description:
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* ------------
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* Audio mrgrx playback
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*
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* Author:
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* -------
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* Chipeng Chang
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*
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*----------------------------------------------------------------------------
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*
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******************************************************************************
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*/
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/*****************************************************************************
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* C O M P I L E R F L A G S
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*****************************************************************************/
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/*****************************************************************************
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* E X T E R N A L R E F E R E N C E S
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*****************************************************************************/
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#include "mtk-auddrv-afe.h"
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#include "mtk-auddrv-ana.h"
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#include "mtk-auddrv-clk.h"
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#include "mtk-auddrv-common.h"
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#include "mtk-auddrv-def.h"
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#include "mtk-auddrv-kernel.h"
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#include "mtk-soc-afe-control.h"
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#include "mtk-soc-pcm-common.h"
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#include "mtk-soc-pcm-platform.h"
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#include <linux/dma-mapping.h>
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#ifndef CONFIG_SND_SOC_MTK_BTCVSD
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#include <mtk_wcn_cmb_stub.h>
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#endif
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/*
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* function implementation
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*/
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static int mtk_mrgrx_probe(struct platform_device *pdev);
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static int mtk_pcm_mrgrx_close(struct snd_pcm_substream *substream);
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static int mtk_afe_mrgrx_component_probe(struct snd_soc_component *component);
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static unsigned int mmrgrx_Volume = 0x10000;
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static bool mPrepareDone;
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static int Audio_mrgrx_Volume_Get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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pr_debug("Audio_AmpR_Get = %d\n", mmrgrx_Volume);
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ucontrol->value.integer.value[0] = mmrgrx_Volume;
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return 0;
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}
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static int Audio_mrgrx_Volume_Set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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mmrgrx_Volume = ucontrol->value.integer.value[0];
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pr_debug("%s mmrgrx_Volume = 0x%x\n", __func__, mmrgrx_Volume);
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if (GetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT) == true)
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SetHwDigitalGain(Soc_Aud_Digital_Block_HW_GAIN1, mmrgrx_Volume);
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return 0;
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}
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static const char *const wcn_stub_audio_ctr[] = {
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"CMB_STUB_AIF_0", "CMB_STUB_AIF_1", "CMB_STUB_AIF_2", "CMB_STUB_AIF_3"};
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static const struct soc_enum wcn_stub_audio_ctr_Enum[] = {
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/* speaker class setting */
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(wcn_stub_audio_ctr), wcn_stub_audio_ctr),
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};
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#ifndef CONFIG_SND_SOC_MTK_BTCVSD
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static int mAudio_Wcn_Cmb = CMB_STUB_AIF_3;
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#else
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static int mAudio_Wcn_Cmb;
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#endif
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static int Audio_Wcn_Cmb_Get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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pr_debug("Audio_Wcn_Cmb_Get = %d\n", mAudio_Wcn_Cmb);
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ucontrol->value.integer.value[0] = mAudio_Wcn_Cmb;
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return 0;
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}
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static int Audio_Wcn_Cmb_Set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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mAudio_Wcn_Cmb = ucontrol->value.integer.value[0];
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#ifndef CONFIG_SND_SOC_MTK_BTCVSD
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pr_debug("%s mAudio_Wcn_Cmb = 0x%x\n", __func__, mAudio_Wcn_Cmb);
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#ifndef CONFIG_SND_SOC_MTK_BTCVSD
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mtk_wcn_cmb_stub_audio_ctrl((enum CMB_STUB_AIF_X)mAudio_Wcn_Cmb);
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#endif
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#endif
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return 0;
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}
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static const struct snd_kcontrol_new Audio_snd_mrgrx_controls[] = {
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SOC_SINGLE_EXT("Audio Mrgrx Volume", SND_SOC_NOPM, 0, 0x80000, 0,
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Audio_mrgrx_Volume_Get, Audio_mrgrx_Volume_Set),
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SOC_ENUM_EXT("cmb stub Audio Control", wcn_stub_audio_ctr_Enum[0],
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Audio_Wcn_Cmb_Get, Audio_Wcn_Cmb_Set),
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};
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static struct snd_pcm_hardware mtk_mrgrx_hardware = {
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.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
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.formats = SND_SOC_STD_MT_FMTS,
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.rates = SOC_HIGH_USE_RATE,
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.rate_min = SOC_NORMAL_USE_RATE_MIN,
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.rate_max = SOC_NORMAL_USE_RATE_MAX,
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.channels_min = SOC_NORMAL_USE_CHANNELS_MIN,
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.channels_max = SOC_NORMAL_USE_CHANNELS_MAX,
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.buffer_bytes_max = MRGRX_MAX_BUFFER_SIZE,
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.period_bytes_max = MRGRX_MAX_PERIOD_SIZE,
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.periods_min = MRGRX_MIN_PERIOD_SIZE,
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.periods_max = MRGRX_MAX_PERIOD_SIZE,
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.fifo_size = 0,
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};
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static int mtk_pcm_mrgrx_stop(struct snd_pcm_substream *substream)
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{
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pr_debug("mtk_pcm_mrgrx_stop\n");
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return 0;
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}
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static kal_int32 Previous_Hw_cur;
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static snd_pcm_uframes_t
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mtk_pcm_mrgrx_pointer(struct snd_pcm_substream *substream)
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{
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snd_pcm_uframes_t return_frames;
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return_frames = (Previous_Hw_cur >> 2);
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return return_frames;
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}
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static int mtk_pcm_mrgrx_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params)
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{
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int ret = 0;
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pr_debug("mtk_pcm_mrgrx_hw_params\n");
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return ret;
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}
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static int mtk_pcm_mrgrx_hw_free(struct snd_pcm_substream *substream)
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{
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pr_debug("mtk_pcm_mrgrx_hw_free\n");
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return snd_pcm_lib_free_pages(substream);
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}
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static struct snd_pcm_hw_constraint_list mrgrx_constraints_sample_rates = {
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.count = ARRAY_SIZE(soc_fm_supported_sample_rates),
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.list = soc_fm_supported_sample_rates,
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.mask = 0,
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};
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static int mtk_pcm_mrgrx_open(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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int ret = 0;
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AudDrv_Clk_On();
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pr_debug("mtk_pcm_mrgrx_open\n");
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runtime->hw = mtk_mrgrx_hardware;
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memcpy((void *)(&(runtime->hw)), (void *)&mtk_mrgrx_hardware,
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sizeof(struct snd_pcm_hardware));
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ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
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&mrgrx_constraints_sample_rates);
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ret = snd_pcm_hw_constraint_integer(runtime,
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SNDRV_PCM_HW_PARAM_PERIODS);
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pr_debug("mtk_pcm_mrgrx_open runtime rate = %d channels = %d substream->pcm->device = %d\n",
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runtime->rate, runtime->channels, substream->pcm->device);
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if (ret < 0) {
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pr_debug("mtk_pcm_mrgrx_close\n");
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mtk_pcm_mrgrx_close(substream);
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return ret;
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}
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SetFMEnableFlag(true);
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pr_debug("mtk_pcm_mrgrx_open return\n");
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return 0;
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}
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static int mtk_pcm_mrgrx_close(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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pr_debug("%s\n", __func__);
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#ifndef CONFIG_SND_SOC_MTK_BTCVSD
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mtk_wcn_cmb_stub_audio_ctrl((enum CMB_STUB_AIF_X)CMB_STUB_AIF_0);
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#endif
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SetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT, false);
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if (GetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT) == false)
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SetMrgI2SEnable(false, runtime->rate);
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SetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC, false);
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if (GetI2SDacEnable() == false)
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SetI2SDacEnable(false);
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/* interconnection setting */
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SetIntfConnection(Soc_Aud_InterCon_DisConnect,
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Soc_Aud_AFE_IO_Block_MEM_DL1,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_OUT);
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SetIntfConnection(Soc_Aud_InterCon_DisConnect,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_IN,
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Soc_Aud_AFE_IO_Block_I2S1_DAC);
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SetIntfConnection(Soc_Aud_InterCon_DisConnect,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_IN,
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Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
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SetIntfConnection(Soc_Aud_InterCon_DisConnect,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_IN,
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Soc_Aud_AFE_IO_Block_I2S3);
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EnableAfe(false);
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AudDrv_Clk_Off();
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mPrepareDone = false;
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SetFMEnableFlag(false);
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return 0;
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}
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static int mtk_pcm_mrgrx_prepare(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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pr_debug("%s rate = %d\n", __func__, runtime->rate);
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if (mPrepareDone == false) {
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#ifndef CONFIG_SND_SOC_MTK_BTCVSD
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mtk_wcn_cmb_stub_audio_ctrl(
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(enum CMB_STUB_AIF_X)CMB_STUB_AIF_3);
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#endif
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/* interconnection setting */
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SetIntfConnection(Soc_Aud_InterCon_Connection,
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Soc_Aud_AFE_IO_Block_MRG_I2S_IN,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_OUT);
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SetIntfConnection(Soc_Aud_InterCon_Connection,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_IN,
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Soc_Aud_AFE_IO_Block_I2S1_DAC);
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SetIntfConnection(Soc_Aud_InterCon_Connection,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_IN,
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Soc_Aud_AFE_IO_Block_I2S1_DAC_2);
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SetIntfConnection(Soc_Aud_InterCon_Connection,
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Soc_Aud_AFE_IO_Block_HW_GAIN1_IN,
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Soc_Aud_AFE_IO_Block_I2S3);
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/* Set HW_GAIN */
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SetHwDigitalGainMode(Soc_Aud_Digital_Block_HW_GAIN1,
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runtime->rate, 0x40);
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SetHwDigitalGainEnable(Soc_Aud_Digital_Block_HW_GAIN1, true);
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SetHwDigitalGain(Soc_Aud_Digital_Block_HW_GAIN1,
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mmrgrx_Volume);
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/* start I2S DAC out */
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if (GetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC) ==
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false) {
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SetI2SDacOut(runtime->rate, false,
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Soc_Aud_I2S_WLEN_WLEN_16BITS);
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SetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC,
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true);
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SetI2SDacEnable(true);
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} else
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SetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC,
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true);
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if (GetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT) ==
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false) {
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/* set merge interface */
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SetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT,
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true);
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SetMrgI2SEnable(true, runtime->rate);
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} else
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SetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT,
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true);
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EnableAfe(true);
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mPrepareDone = true;
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}
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return 0;
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}
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static int mtk_pcm_mrgrx_start(struct snd_pcm_substream *substream)
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{
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return 0;
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}
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static int mtk_pcm_mrgrx_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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pr_debug("mtk_pcm_mrgrx_trigger cmd = %d\n", cmd);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_RESUME:
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return mtk_pcm_mrgrx_start(substream);
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case SNDRV_PCM_TRIGGER_STOP:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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return mtk_pcm_mrgrx_stop(substream);
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}
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return -EINVAL;
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}
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static int mtk_pcm_mrgrx_copy(struct snd_pcm_substream *substream,
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int channel,
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unsigned long pos,
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void __user *buf,
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unsigned long bytes)
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{
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return bytes;
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}
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static int mtk_pcm_mrgrx_silence(struct snd_pcm_substream *substream,
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int channel,
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unsigned long pos,
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unsigned long bytes)
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{
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return 0; /* do nothing */
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}
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static void *dummy_page[2];
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static struct page *mtk_mrgrx_pcm_page(struct snd_pcm_substream *substream,
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unsigned long offset)
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{
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return virt_to_page(dummy_page[substream->stream]); /* the same page */
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}
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static struct snd_pcm_ops mtk_mrgrx_ops = {
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.open = mtk_pcm_mrgrx_open,
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.close = mtk_pcm_mrgrx_close,
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.ioctl = snd_pcm_lib_ioctl,
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.hw_params = mtk_pcm_mrgrx_hw_params,
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.hw_free = mtk_pcm_mrgrx_hw_free,
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.prepare = mtk_pcm_mrgrx_prepare,
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.trigger = mtk_pcm_mrgrx_trigger,
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.pointer = mtk_pcm_mrgrx_pointer,
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.copy_user = mtk_pcm_mrgrx_copy,
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.fill_silence = mtk_pcm_mrgrx_silence,
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.page = mtk_mrgrx_pcm_page,
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};
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static struct snd_soc_component_driver mtk_mrgrx_soc_component = {
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.name = AFE_PCM_NAME,
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.ops = &mtk_mrgrx_ops,
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.probe = mtk_afe_mrgrx_component_probe,
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};
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static int mtk_mrgrx_probe(struct platform_device *pdev)
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{
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pr_debug("%s\n", __func__);
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pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
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if (!pdev->dev.dma_mask)
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pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
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if (pdev->dev.of_node)
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dev_set_name(&pdev->dev, "%s", MT_SOC_MRGRX_PCM);
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pdev->name = pdev->dev.kobj.name;
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pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
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return snd_soc_register_component(&pdev->dev,
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&mtk_mrgrx_soc_component,
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NULL,
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0);
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}
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static int mtk_afe_mrgrx_component_probe(struct snd_soc_component *component)
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{
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pr_debug("%s\n", __func__);
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snd_soc_add_component_controls(component, Audio_snd_mrgrx_controls,
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ARRAY_SIZE(Audio_snd_mrgrx_controls));
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return 0;
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}
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static int mtk_mrgrx_remove(struct platform_device *pdev)
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{
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pr_debug("%s\n", __func__);
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snd_soc_unregister_component(&pdev->dev);
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return 0;
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}
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#ifdef CONFIG_OF
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static const struct of_device_id mt_soc_pcm_mrgrx_of_ids[] = {
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{
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.compatible = "mediatek,mt_soc_pcm_mrgrx",
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},
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{} };
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#endif
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static struct platform_driver mtk_mrgrx_driver = {
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.driver = {
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.name = MT_SOC_MRGRX_PCM,
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.owner = THIS_MODULE,
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#ifdef CONFIG_OF
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.of_match_table = mt_soc_pcm_mrgrx_of_ids,
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#endif
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},
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.probe = mtk_mrgrx_probe,
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.remove = mtk_mrgrx_remove,
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};
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#ifndef CONFIG_OF
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static struct platform_device *soc_mtkmrgrx_dev;
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#endif
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static int __init mtk_mrgrx_soc_platform_init(void)
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{
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int ret = 0;
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pr_debug("%s\n", __func__);
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#ifndef CONFIG_OF
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soc_mtkmrgrx_dev = platform_device_alloc(MT_SOC_MRGRX_PCM, -1);
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if (!soc_mtkmrgrx_dev)
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return -ENOMEM;
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ret = platform_device_add(soc_mtkmrgrx_dev);
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if (ret != 0) {
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platform_device_put(soc_mtkmrgrx_dev);
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return ret;
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}
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#endif
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ret = platform_driver_register(&mtk_mrgrx_driver);
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return ret;
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}
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module_init(mtk_mrgrx_soc_platform_init);
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static void __exit mtk_mrgrx_soc_platform_exit(void)
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{
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platform_driver_unregister(&mtk_mrgrx_driver);
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}
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module_exit(mtk_mrgrx_soc_platform_exit);
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MODULE_DESCRIPTION("mrgrx module platform driver");
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MODULE_LICENSE("GPL");
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