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479 lines
14 KiB
479 lines
14 KiB
/* |
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* Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec |
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* |
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* Copyright 2017 Advanced Micro Devices, Inc. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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* OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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#include <sound/core.h> |
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#include <sound/soc.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/jack.h> |
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#include <linux/clk.h> |
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#include <linux/gpio.h> |
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#include <linux/module.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/regulator/driver.h> |
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#include <linux/i2c.h> |
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#include <linux/input.h> |
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#include <linux/acpi.h> |
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#include "acp.h" |
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#include "../codecs/da7219.h" |
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#include "../codecs/da7219-aad.h" |
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#define CZ_PLAT_CLK 48000000 |
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#define DUAL_CHANNEL 2 |
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static struct snd_soc_jack cz_jack; |
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static struct clk *da7219_dai_wclk; |
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static struct clk *da7219_dai_bclk; |
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extern bool bt_uart_enable; |
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static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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int ret; |
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struct snd_soc_card *card = rtd->card; |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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struct snd_soc_component *component = codec_dai->component; |
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dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name); |
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ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, |
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CZ_PLAT_CLK, SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL, |
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CZ_PLAT_CLK, DA7219_PLL_FREQ_OUT_98304); |
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if (ret < 0) { |
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dev_err(rtd->dev, "can't set codec pll: %d\n", ret); |
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return ret; |
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} |
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da7219_dai_wclk = devm_clk_get(component->dev, "da7219-dai-wclk"); |
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if (IS_ERR(da7219_dai_wclk)) |
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return PTR_ERR(da7219_dai_wclk); |
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da7219_dai_bclk = devm_clk_get(component->dev, "da7219-dai-bclk"); |
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if (IS_ERR(da7219_dai_bclk)) |
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return PTR_ERR(da7219_dai_bclk); |
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ret = snd_soc_card_jack_new(card, "Headset Jack", |
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SND_JACK_HEADSET | SND_JACK_LINEOUT | |
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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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&cz_jack, NULL, 0); |
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if (ret) { |
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dev_err(card->dev, "HP jack creation failed %d\n", ret); |
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return ret; |
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} |
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snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); |
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snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); |
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snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); |
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snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); |
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da7219_aad_jack_det(component, &cz_jack); |
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return 0; |
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} |
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static int da7219_clk_enable(struct snd_pcm_substream *substream) |
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{ |
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int ret = 0; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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/* |
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* Set wclk to 48000 because the rate constraint of this driver is |
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* 48000. ADAU7002 spec: "The ADAU7002 requires a BCLK rate that is |
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* minimum of 64x the LRCLK sample rate." DA7219 is the only clk |
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* source so for all codecs we have to limit bclk to 64X lrclk. |
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*/ |
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clk_set_rate(da7219_dai_wclk, 48000); |
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clk_set_rate(da7219_dai_bclk, 48000 * 64); |
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ret = clk_prepare_enable(da7219_dai_bclk); |
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if (ret < 0) { |
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dev_err(rtd->dev, "can't enable master clock %d\n", ret); |
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return ret; |
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} |
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return ret; |
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} |
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static void da7219_clk_disable(void) |
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{ |
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clk_disable_unprepare(da7219_dai_bclk); |
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} |
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static const unsigned int channels[] = { |
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DUAL_CHANNEL, |
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}; |
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static const unsigned int rates[] = { |
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48000, |
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}; |
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static const struct snd_pcm_hw_constraint_list constraints_rates = { |
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.count = ARRAY_SIZE(rates), |
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.list = rates, |
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.mask = 0, |
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}; |
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static const struct snd_pcm_hw_constraint_list constraints_channels = { |
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.count = ARRAY_SIZE(channels), |
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.list = channels, |
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.mask = 0, |
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}; |
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static int cz_da7219_play_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); |
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/* |
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* On this platform for PCM device we support stereo |
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*/ |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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machine->play_i2s_instance = I2S_SP_INSTANCE; |
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return da7219_clk_enable(substream); |
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} |
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static int cz_da7219_cap_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); |
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/* |
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* On this platform for PCM device we support stereo |
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*/ |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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machine->cap_i2s_instance = I2S_SP_INSTANCE; |
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machine->capture_channel = CAP_CHANNEL1; |
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return da7219_clk_enable(substream); |
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} |
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static int cz_max_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); |
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/* |
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* On this platform for PCM device we support stereo |
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*/ |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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machine->play_i2s_instance = I2S_BT_INSTANCE; |
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return da7219_clk_enable(substream); |
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} |
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static int cz_dmic0_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); |
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/* |
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* On this platform for PCM device we support stereo |
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*/ |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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machine->cap_i2s_instance = I2S_BT_INSTANCE; |
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return da7219_clk_enable(substream); |
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} |
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static int cz_dmic1_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); |
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/* |
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* On this platform for PCM device we support stereo |
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*/ |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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machine->cap_i2s_instance = I2S_SP_INSTANCE; |
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machine->capture_channel = CAP_CHANNEL0; |
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return da7219_clk_enable(substream); |
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} |
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static void cz_da7219_shutdown(struct snd_pcm_substream *substream) |
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{ |
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da7219_clk_disable(); |
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} |
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static const struct snd_soc_ops cz_da7219_play_ops = { |
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.startup = cz_da7219_play_startup, |
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.shutdown = cz_da7219_shutdown, |
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}; |
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static const struct snd_soc_ops cz_da7219_cap_ops = { |
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.startup = cz_da7219_cap_startup, |
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.shutdown = cz_da7219_shutdown, |
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}; |
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static const struct snd_soc_ops cz_max_play_ops = { |
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.startup = cz_max_startup, |
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.shutdown = cz_da7219_shutdown, |
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}; |
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static const struct snd_soc_ops cz_dmic0_cap_ops = { |
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.startup = cz_dmic0_startup, |
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.shutdown = cz_da7219_shutdown, |
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}; |
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static const struct snd_soc_ops cz_dmic1_cap_ops = { |
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.startup = cz_dmic1_startup, |
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.shutdown = cz_da7219_shutdown, |
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}; |
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SND_SOC_DAILINK_DEF(designware1, |
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DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto"))); |
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SND_SOC_DAILINK_DEF(designware2, |
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DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto"))); |
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SND_SOC_DAILINK_DEF(designware3, |
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DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.3.auto"))); |
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SND_SOC_DAILINK_DEF(dlgs, |
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DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", "da7219-hifi"))); |
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SND_SOC_DAILINK_DEF(mx, |
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DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi"))); |
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SND_SOC_DAILINK_DEF(adau, |
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DAILINK_COMP_ARRAY(COMP_CODEC("ADAU7002:00", "adau7002-hifi"))); |
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SND_SOC_DAILINK_DEF(platform, |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto"))); |
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static struct snd_soc_dai_link cz_dai_7219_98357[] = { |
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{ |
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.name = "amd-da7219-play", |
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.stream_name = "Playback", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.init = cz_da7219_init, |
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.dpcm_playback = 1, |
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.ops = &cz_da7219_play_ops, |
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SND_SOC_DAILINK_REG(designware1, dlgs, platform), |
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}, |
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{ |
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.name = "amd-da7219-cap", |
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.stream_name = "Capture", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.dpcm_capture = 1, |
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.ops = &cz_da7219_cap_ops, |
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SND_SOC_DAILINK_REG(designware2, dlgs, platform), |
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}, |
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{ |
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.name = "amd-max98357-play", |
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.stream_name = "HiFi Playback", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.dpcm_playback = 1, |
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.ops = &cz_max_play_ops, |
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SND_SOC_DAILINK_REG(designware3, mx, platform), |
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}, |
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{ |
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/* C panel DMIC */ |
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.name = "dmic0", |
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.stream_name = "DMIC0 Capture", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.dpcm_capture = 1, |
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.ops = &cz_dmic0_cap_ops, |
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SND_SOC_DAILINK_REG(designware3, adau, platform), |
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}, |
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{ |
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/* A/B panel DMIC */ |
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.name = "dmic1", |
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.stream_name = "DMIC1 Capture", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.dpcm_capture = 1, |
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.ops = &cz_dmic1_cap_ops, |
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SND_SOC_DAILINK_REG(designware2, adau, platform), |
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}, |
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}; |
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static const struct snd_soc_dapm_widget cz_widgets[] = { |
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SND_SOC_DAPM_HP("Headphones", NULL), |
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SND_SOC_DAPM_SPK("Speakers", NULL), |
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SND_SOC_DAPM_MIC("Headset Mic", NULL), |
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SND_SOC_DAPM_MIC("Int Mic", NULL), |
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}; |
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static const struct snd_soc_dapm_route cz_audio_route[] = { |
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{"Headphones", NULL, "HPL"}, |
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{"Headphones", NULL, "HPR"}, |
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{"MIC", NULL, "Headset Mic"}, |
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{"Speakers", NULL, "Speaker"}, |
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{"PDM_DAT", NULL, "Int Mic"}, |
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}; |
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static const struct snd_kcontrol_new cz_mc_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Headphones"), |
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SOC_DAPM_PIN_SWITCH("Speakers"), |
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SOC_DAPM_PIN_SWITCH("Headset Mic"), |
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SOC_DAPM_PIN_SWITCH("Int Mic"), |
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}; |
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static struct snd_soc_card cz_card = { |
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.name = "acpd7219m98357", |
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.owner = THIS_MODULE, |
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.dai_link = cz_dai_7219_98357, |
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.num_links = ARRAY_SIZE(cz_dai_7219_98357), |
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.dapm_widgets = cz_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(cz_widgets), |
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.dapm_routes = cz_audio_route, |
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.num_dapm_routes = ARRAY_SIZE(cz_audio_route), |
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.controls = cz_mc_controls, |
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.num_controls = ARRAY_SIZE(cz_mc_controls), |
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}; |
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static struct regulator_consumer_supply acp_da7219_supplies[] = { |
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REGULATOR_SUPPLY("VDD", "i2c-DLGS7219:00"), |
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REGULATOR_SUPPLY("VDDMIC", "i2c-DLGS7219:00"), |
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REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00"), |
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REGULATOR_SUPPLY("IOVDD", "ADAU7002:00"), |
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}; |
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static struct regulator_init_data acp_da7219_data = { |
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.constraints = { |
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.always_on = 1, |
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}, |
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.num_consumer_supplies = ARRAY_SIZE(acp_da7219_supplies), |
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.consumer_supplies = acp_da7219_supplies, |
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}; |
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static struct regulator_config acp_da7219_cfg = { |
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.init_data = &acp_da7219_data, |
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}; |
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static struct regulator_ops acp_da7219_ops = { |
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}; |
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static const struct regulator_desc acp_da7219_desc = { |
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.name = "reg-fixed-1.8V", |
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.type = REGULATOR_VOLTAGE, |
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.owner = THIS_MODULE, |
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.ops = &acp_da7219_ops, |
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.fixed_uV = 1800000, /* 1.8V */ |
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.n_voltages = 1, |
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}; |
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static int cz_probe(struct platform_device *pdev) |
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{ |
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int ret; |
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struct snd_soc_card *card; |
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struct acp_platform_info *machine; |
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struct regulator_dev *rdev; |
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acp_da7219_cfg.dev = &pdev->dev; |
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rdev = devm_regulator_register(&pdev->dev, &acp_da7219_desc, |
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&acp_da7219_cfg); |
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if (IS_ERR(rdev)) { |
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dev_err(&pdev->dev, "Failed to register regulator: %d\n", |
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(int)PTR_ERR(rdev)); |
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return -EINVAL; |
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} |
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machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), |
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GFP_KERNEL); |
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if (!machine) |
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return -ENOMEM; |
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card = &cz_card; |
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cz_card.dev = &pdev->dev; |
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platform_set_drvdata(pdev, card); |
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snd_soc_card_set_drvdata(card, machine); |
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ret = devm_snd_soc_register_card(&pdev->dev, &cz_card); |
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if (ret) { |
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dev_err(&pdev->dev, |
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"devm_snd_soc_register_card(%s) failed: %d\n", |
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cz_card.name, ret); |
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return ret; |
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} |
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bt_uart_enable = !device_property_read_bool(&pdev->dev, |
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"bt-pad-enable"); |
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return 0; |
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} |
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|
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#ifdef CONFIG_ACPI |
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static const struct acpi_device_id cz_audio_acpi_match[] = { |
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{ "AMD7219", 0 }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match); |
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#endif |
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static struct platform_driver cz_pcm_driver = { |
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.driver = { |
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.name = "cz-da7219-max98357a", |
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.acpi_match_table = ACPI_PTR(cz_audio_acpi_match), |
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.pm = &snd_soc_pm_ops, |
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}, |
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.probe = cz_probe, |
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}; |
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module_platform_driver(cz_pcm_driver); |
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|
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MODULE_AUTHOR("[email protected]"); |
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MODULE_DESCRIPTION("DA7219 & MAX98357A audio support"); |
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MODULE_LICENSE("GPL v2");
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