// SPDX-License-Identifier: GPL-2.0-only // // tegra210_sfc.c - Tegra210 SFC driver // // Copyright (c) 2021-2023 NVIDIA CORPORATION. All rights reserved. #include <linux/clk.h> #include <linux/device.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include "tegra210_sfc.h" #include "tegra_cif.h" #define UNSUPP_CONV … #define BYPASS_CONV … static const struct reg_default tegra210_sfc_reg_defaults[] = …; static const int tegra210_sfc_rates[TEGRA210_SFC_NUM_RATES] = …; /* coeff RAM tables required for SFC */ static u32 coef_8to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_8to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_11to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_16to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_22to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_24to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_32to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_44to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_48to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_88to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to8[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to11[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_96to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_176to192[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to16[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to22[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to24[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to32[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to44[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to48[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to88[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to96[TEGRA210_SFC_COEF_RAM_DEPTH] = …; static u32 coef_192to176[TEGRA210_SFC_COEF_RAM_DEPTH] = …; /* * Coefficient table for various sample rate conversions. The sample * rates available are as per tegra210_sfc_rates[]. */ static s32 *coef_addr_table[TEGRA210_SFC_NUM_RATES][TEGRA210_SFC_NUM_RATES] = …; static int __maybe_unused tegra210_sfc_runtime_suspend(struct device *dev) { … } static int __maybe_unused tegra210_sfc_runtime_resume(struct device *dev) { … } static inline void tegra210_sfc_write_ram(struct regmap *regmap, s32 *data) { … } static int tegra210_sfc_write_coeff_ram(struct snd_soc_component *cmpnt) { … } static int tegra210_sfc_set_audio_cif(struct tegra210_sfc *sfc, struct snd_pcm_hw_params *params, unsigned int reg) { … } static int tegra210_sfc_soft_reset(struct tegra210_sfc *sfc) { … } static int tegra210_sfc_rate_to_idx(struct device *dev, int rate, int *rate_idx) { … } static int tegra210_sfc_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int tegra210_sfc_in_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int tegra210_sfc_out_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int tegra210_sfc_init(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int tegra210_sfc_iget_stereo_to_mono(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_iput_stereo_to_mono(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_iget_mono_to_stereo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_iput_mono_to_stereo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_oget_stereo_to_mono(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_oput_stereo_to_mono(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_oget_mono_to_stereo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int tegra210_sfc_oput_mono_to_stereo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_soc_dai_ops tegra210_sfc_in_dai_ops = …; static const struct snd_soc_dai_ops tegra210_sfc_out_dai_ops = …; static struct snd_soc_dai_driver tegra210_sfc_dais[] = …; static const struct snd_soc_dapm_widget tegra210_sfc_widgets[] = …; #define RESAMPLE_ROUTE(sname) … static const struct snd_soc_dapm_route tegra210_sfc_routes[] = …; static const char * const tegra210_sfc_stereo_conv_text[] = …; static const char * const tegra210_sfc_mono_conv_text[] = …; static const struct soc_enum tegra210_sfc_stereo_conv_enum = …; static const struct soc_enum tegra210_sfc_mono_conv_enum = …; static const struct snd_kcontrol_new tegra210_sfc_controls[] = …; static const struct snd_soc_component_driver tegra210_sfc_cmpnt = …; static bool tegra210_sfc_wr_reg(struct device *dev, unsigned int reg) { … } static bool tegra210_sfc_rd_reg(struct device *dev, unsigned int reg) { … } static bool tegra210_sfc_volatile_reg(struct device *dev, unsigned int reg) { … } static bool tegra210_sfc_precious_reg(struct device *dev, unsigned int reg) { … } static const struct regmap_config tegra210_sfc_regmap_config = …; static const struct of_device_id tegra210_sfc_of_match[] = …; MODULE_DEVICE_TABLE(of, tegra210_sfc_of_match); static int tegra210_sfc_platform_probe(struct platform_device *pdev) { … } static void tegra210_sfc_platform_remove(struct platform_device *pdev) { … } static const struct dev_pm_ops tegra210_sfc_pm_ops = …; static struct platform_driver tegra210_sfc_driver = …; module_platform_driver(…) … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux