470 lines
12 KiB
C
470 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/of_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/jack.h>
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#include <sound/soc.h>
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#include <uapi/linux/input-event-codes.h>
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#include "common.h"
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#include "qdsp6/q6afe.h"
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#include "../codecs/rt5663.h"
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#define DEFAULT_SAMPLE_RATE_48K 48000
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#define DEFAULT_MCLK_RATE 24576000
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#define TDM_BCLK_RATE 6144000
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#define MI2S_BCLK_RATE 1536000
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#define LEFT_SPK_TDM_TX_MASK 0x30
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#define RIGHT_SPK_TDM_TX_MASK 0xC0
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#define SPK_TDM_RX_MASK 0x03
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#define NUM_TDM_SLOTS 8
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struct sdm845_snd_data {
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struct snd_soc_jack jack;
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bool jack_setup;
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struct snd_soc_card *card;
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uint32_t pri_mi2s_clk_count;
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uint32_t sec_mi2s_clk_count;
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uint32_t quat_tdm_clk_count;
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};
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static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
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static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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int ret = 0, j;
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int channels, slot_width;
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switch (params_format(params)) {
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case SNDRV_PCM_FORMAT_S16_LE:
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slot_width = 16;
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break;
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default:
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dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
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__func__, params_format(params));
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return -EINVAL;
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}
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channels = params_channels(params);
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3,
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8, slot_width);
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if (ret < 0) {
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dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
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__func__, ret);
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goto end;
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}
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ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
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channels, tdm_slot_offset);
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if (ret < 0) {
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dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
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__func__, ret);
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goto end;
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}
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} else {
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ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0,
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8, slot_width);
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if (ret < 0) {
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dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
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__func__, ret);
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goto end;
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}
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ret = snd_soc_dai_set_channel_map(cpu_dai, channels,
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tdm_slot_offset, 0, NULL);
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if (ret < 0) {
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dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
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__func__, ret);
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goto end;
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}
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}
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for (j = 0; j < rtd->num_codecs; j++) {
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struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
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if (!strcmp(codec_dai->component->name_prefix, "Left")) {
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ret = snd_soc_dai_set_tdm_slot(
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codec_dai, LEFT_SPK_TDM_TX_MASK,
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SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
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slot_width);
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if (ret < 0) {
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dev_err(rtd->dev,
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"DEV0 TDM slot err:%d\n", ret);
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return ret;
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}
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}
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if (!strcmp(codec_dai->component->name_prefix, "Right")) {
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ret = snd_soc_dai_set_tdm_slot(
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codec_dai, RIGHT_SPK_TDM_TX_MASK,
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SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
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slot_width);
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if (ret < 0) {
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dev_err(rtd->dev,
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"DEV1 TDM slot err:%d\n", ret);
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return ret;
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}
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}
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}
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end:
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return ret;
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}
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static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int ret = 0;
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switch (cpu_dai->id) {
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case PRIMARY_MI2S_RX:
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case PRIMARY_MI2S_TX:
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/*
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* Use ASRC for internal clocks, as PLL rate isn't multiple
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* of BCLK.
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*/
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rt5663_sel_asrc_clk_src(
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codec_dai->component,
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RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
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RT5663_CLK_SEL_I2S1_ASRC);
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ret = snd_soc_dai_set_sysclk(
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codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
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SND_SOC_CLOCK_IN);
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if (ret < 0)
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dev_err(rtd->dev,
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"snd_soc_dai_set_sysclk err = %d\n", ret);
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break;
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case QUATERNARY_TDM_RX_0:
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case QUATERNARY_TDM_TX_0:
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ret = sdm845_tdm_snd_hw_params(substream, params);
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break;
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default:
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pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
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break;
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}
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return ret;
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}
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static void sdm845_jack_free(struct snd_jack *jack)
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{
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struct snd_soc_component *component = jack->private_data;
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snd_soc_component_set_jack(component, NULL, NULL);
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}
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static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *component;
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struct snd_soc_card *card = rtd->card;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
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struct snd_jack *jack;
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int rval;
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if (!pdata->jack_setup) {
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rval = snd_soc_card_jack_new(card, "Headset Jack",
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SND_JACK_HEADSET |
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SND_JACK_HEADPHONE |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 |
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SND_JACK_BTN_2 | SND_JACK_BTN_3,
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&pdata->jack, NULL, 0);
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if (rval < 0) {
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dev_err(card->dev, "Unable to add Headphone Jack\n");
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return rval;
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}
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jack = pdata->jack.jack;
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snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
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snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
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snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
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snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
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pdata->jack_setup = true;
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}
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switch (cpu_dai->id) {
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case PRIMARY_MI2S_RX:
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jack = pdata->jack.jack;
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component = codec_dai->component;
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jack->private_data = component;
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jack->private_free = sdm845_jack_free;
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rval = snd_soc_component_set_jack(component,
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&pdata->jack, NULL);
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if (rval != 0 && rval != -ENOTSUPP) {
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dev_warn(card->dev, "Failed to set jack: %d\n", rval);
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return rval;
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int sdm845_snd_startup(struct snd_pcm_substream *substream)
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{
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unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS;
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unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_card *card = rtd->card;
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struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int j;
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int ret;
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switch (cpu_dai->id) {
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case PRIMARY_MI2S_RX:
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case PRIMARY_MI2S_TX:
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codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
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if (++(data->pri_mi2s_clk_count) == 1) {
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_MCLK_1,
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DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
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MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
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}
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snd_soc_dai_set_fmt(cpu_dai, fmt);
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snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
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break;
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case SECONDARY_MI2S_TX:
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codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
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if (++(data->sec_mi2s_clk_count) == 1) {
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
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MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE);
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}
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snd_soc_dai_set_fmt(cpu_dai, fmt);
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snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
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break;
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case QUATERNARY_TDM_RX_0:
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case QUATERNARY_TDM_TX_0:
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if (++(data->quat_tdm_clk_count) == 1) {
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
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TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
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}
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codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
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for (j = 0; j < rtd->num_codecs; j++) {
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codec_dai = rtd->codec_dais[j];
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if (!strcmp(codec_dai->component->name_prefix,
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"Left")) {
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ret = snd_soc_dai_set_fmt(
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codec_dai, codec_dai_fmt);
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if (ret < 0) {
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dev_err(rtd->dev,
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"Left TDM fmt err:%d\n", ret);
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return ret;
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}
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}
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if (!strcmp(codec_dai->component->name_prefix,
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"Right")) {
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ret = snd_soc_dai_set_fmt(
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codec_dai, codec_dai_fmt);
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if (ret < 0) {
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dev_err(rtd->dev,
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"Right TDM slot err:%d\n", ret);
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return ret;
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}
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}
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}
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break;
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default:
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pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
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break;
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}
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return 0;
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}
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static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_card *card = rtd->card;
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struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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switch (cpu_dai->id) {
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case PRIMARY_MI2S_RX:
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case PRIMARY_MI2S_TX:
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if (--(data->pri_mi2s_clk_count) == 0) {
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_MCLK_1,
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0, SNDRV_PCM_STREAM_PLAYBACK);
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
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0, SNDRV_PCM_STREAM_PLAYBACK);
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}
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break;
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case SECONDARY_MI2S_TX:
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if (--(data->sec_mi2s_clk_count) == 0) {
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
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0, SNDRV_PCM_STREAM_CAPTURE);
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}
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break;
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case QUATERNARY_TDM_RX_0:
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case QUATERNARY_TDM_TX_0:
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if (--(data->quat_tdm_clk_count) == 0) {
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snd_soc_dai_set_sysclk(cpu_dai,
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Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
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0, SNDRV_PCM_STREAM_PLAYBACK);
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}
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break;
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default:
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|
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_ops sdm845_be_ops = {
|
||
|
|
.hw_params = sdm845_snd_hw_params,
|
||
|
|
.startup = sdm845_snd_startup,
|
||
|
|
.shutdown = sdm845_snd_shutdown,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
|
||
|
|
struct snd_pcm_hw_params *params)
|
||
|
|
{
|
||
|
|
struct snd_interval *rate = hw_param_interval(params,
|
||
|
|
SNDRV_PCM_HW_PARAM_RATE);
|
||
|
|
struct snd_interval *channels = hw_param_interval(params,
|
||
|
|
SNDRV_PCM_HW_PARAM_CHANNELS);
|
||
|
|
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
|
||
|
|
|
||
|
|
rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
|
||
|
|
channels->min = channels->max = 2;
|
||
|
|
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
|
||
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
||
|
|
SND_SOC_DAPM_SPK("Left Spk", NULL),
|
||
|
|
SND_SOC_DAPM_SPK("Right Spk", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Int Mic", NULL),
|
||
|
|
};
|
||
|
|
|
||
|
|
static void sdm845_add_ops(struct snd_soc_card *card)
|
||
|
|
{
|
||
|
|
struct snd_soc_dai_link *link;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for_each_card_prelinks(card, i, link) {
|
||
|
|
if (link->no_pcm == 1) {
|
||
|
|
link->ops = &sdm845_be_ops;
|
||
|
|
link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
|
||
|
|
}
|
||
|
|
link->init = sdm845_dai_init;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sdm845_snd_platform_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct snd_soc_card *card;
|
||
|
|
struct sdm845_snd_data *data;
|
||
|
|
struct device *dev = &pdev->dev;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
card = kzalloc(sizeof(*card), GFP_KERNEL);
|
||
|
|
if (!card)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
/* Allocate the private data */
|
||
|
|
data = kzalloc(sizeof(*data), GFP_KERNEL);
|
||
|
|
if (!data) {
|
||
|
|
ret = -ENOMEM;
|
||
|
|
goto data_alloc_fail;
|
||
|
|
}
|
||
|
|
|
||
|
|
card->dapm_widgets = sdm845_snd_widgets;
|
||
|
|
card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
|
||
|
|
card->dev = dev;
|
||
|
|
dev_set_drvdata(dev, card);
|
||
|
|
ret = qcom_snd_parse_of(card);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "Error parsing OF data\n");
|
||
|
|
goto parse_dt_fail;
|
||
|
|
}
|
||
|
|
|
||
|
|
data->card = card;
|
||
|
|
snd_soc_card_set_drvdata(card, data);
|
||
|
|
|
||
|
|
sdm845_add_ops(card);
|
||
|
|
ret = snd_soc_register_card(card);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "Sound card registration failed\n");
|
||
|
|
goto register_card_fail;
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
register_card_fail:
|
||
|
|
kfree(card->dai_link);
|
||
|
|
parse_dt_fail:
|
||
|
|
kfree(data);
|
||
|
|
data_alloc_fail:
|
||
|
|
kfree(card);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sdm845_snd_platform_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct snd_soc_card *card = dev_get_drvdata(&pdev->dev);
|
||
|
|
struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
|
||
|
|
|
||
|
|
snd_soc_unregister_card(card);
|
||
|
|
kfree(card->dai_link);
|
||
|
|
kfree(data);
|
||
|
|
kfree(card);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id sdm845_snd_device_id[] = {
|
||
|
|
{ .compatible = "qcom,sdm845-sndcard" },
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
|
||
|
|
|
||
|
|
static struct platform_driver sdm845_snd_driver = {
|
||
|
|
.probe = sdm845_snd_platform_probe,
|
||
|
|
.remove = sdm845_snd_platform_remove,
|
||
|
|
.driver = {
|
||
|
|
.name = "msm-snd-sdm845",
|
||
|
|
.of_match_table = sdm845_snd_device_id,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
module_platform_driver(sdm845_snd_driver);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|