// SPDX-License-Identifier: GPL-2.0-only // // Cirrus Logic Madera class codecs common support // // Copyright (C) 2015-2019 Cirrus Logic, Inc. and // Cirrus Logic International Semiconductor Ltd. // #include <linux/delay.h> #include <linux/gcd.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <linux/irqchip/irq-madera.h> #include <linux/mfd/madera/core.h> #include <linux/mfd/madera/registers.h> #include <linux/mfd/madera/pdata.h> #include <sound/madera-pdata.h> #include <dt-bindings/sound/madera.h> #include "madera.h" #define MADERA_AIF_BCLK_CTRL … #define MADERA_AIF_TX_PIN_CTRL … #define MADERA_AIF_RX_PIN_CTRL … #define MADERA_AIF_RATE_CTRL … #define MADERA_AIF_FORMAT … #define MADERA_AIF_RX_BCLK_RATE … #define MADERA_AIF_FRAME_CTRL_1 … #define MADERA_AIF_FRAME_CTRL_2 … #define MADERA_AIF_FRAME_CTRL_3 … #define MADERA_AIF_FRAME_CTRL_4 … #define MADERA_AIF_FRAME_CTRL_5 … #define MADERA_AIF_FRAME_CTRL_6 … #define MADERA_AIF_FRAME_CTRL_7 … #define MADERA_AIF_FRAME_CTRL_8 … #define MADERA_AIF_FRAME_CTRL_9 … #define MADERA_AIF_FRAME_CTRL_10 … #define MADERA_AIF_FRAME_CTRL_11 … #define MADERA_AIF_FRAME_CTRL_12 … #define MADERA_AIF_FRAME_CTRL_13 … #define MADERA_AIF_FRAME_CTRL_14 … #define MADERA_AIF_FRAME_CTRL_15 … #define MADERA_AIF_FRAME_CTRL_16 … #define MADERA_AIF_FRAME_CTRL_17 … #define MADERA_AIF_FRAME_CTRL_18 … #define MADERA_AIF_TX_ENABLES … #define MADERA_AIF_RX_ENABLES … #define MADERA_AIF_FORCE_WRITE … #define MADERA_DSP_CONFIG_1_OFFS … #define MADERA_DSP_CONFIG_2_OFFS … #define MADERA_DSP_CLK_SEL_MASK … #define MADERA_DSP_CLK_SEL_SHIFT … #define MADERA_DSP_RATE_MASK … #define MADERA_DSP_RATE_SHIFT … #define MADERA_SYSCLK_6MHZ … #define MADERA_SYSCLK_12MHZ … #define MADERA_SYSCLK_24MHZ … #define MADERA_SYSCLK_49MHZ … #define MADERA_SYSCLK_98MHZ … #define MADERA_DSPCLK_9MHZ … #define MADERA_DSPCLK_18MHZ … #define MADERA_DSPCLK_36MHZ … #define MADERA_DSPCLK_73MHZ … #define MADERA_DSPCLK_147MHZ … #define MADERA_FLL_VCO_CORNER … #define MADERA_FLL_MAX_FREF … #define MADERA_FLL_MAX_N … #define MADERA_FLL_MIN_FOUT … #define MADERA_FLL_MAX_FOUT … #define MADERA_FLL_MAX_FRATIO … #define MADERA_FLL_MAX_REFDIV … #define MADERA_FLL_OUTDIV … #define MADERA_FLL_VCO_MULT … #define MADERA_FLLAO_MAX_FREF … #define MADERA_FLLAO_MIN_N … #define MADERA_FLLAO_MAX_N … #define MADERA_FLLAO_MAX_FBDIV … #define MADERA_FLLHJ_INT_MAX_N … #define MADERA_FLLHJ_INT_MIN_N … #define MADERA_FLLHJ_FRAC_MAX_N … #define MADERA_FLLHJ_FRAC_MIN_N … #define MADERA_FLLHJ_LOW_THRESH … #define MADERA_FLLHJ_MID_THRESH … #define MADERA_FLLHJ_MAX_THRESH … #define MADERA_FLLHJ_LOW_GAINS … #define MADERA_FLLHJ_MID_GAINS … #define MADERA_FLLHJ_HIGH_GAINS … #define MADERA_FLL_SYNCHRONISER_OFFS … #define CS47L35_FLL_SYNCHRONISER_OFFS … #define MADERA_FLL_CONTROL_1_OFFS … #define MADERA_FLL_CONTROL_2_OFFS … #define MADERA_FLL_CONTROL_3_OFFS … #define MADERA_FLL_CONTROL_4_OFFS … #define MADERA_FLL_CONTROL_5_OFFS … #define MADERA_FLL_CONTROL_6_OFFS … #define MADERA_FLL_GAIN_OFFS … #define MADERA_FLL_CONTROL_7_OFFS … #define MADERA_FLL_EFS_2_OFFS … #define MADERA_FLL_SYNCHRONISER_1_OFFS … #define MADERA_FLL_SYNCHRONISER_2_OFFS … #define MADERA_FLL_SYNCHRONISER_3_OFFS … #define MADERA_FLL_SYNCHRONISER_4_OFFS … #define MADERA_FLL_SYNCHRONISER_5_OFFS … #define MADERA_FLL_SYNCHRONISER_6_OFFS … #define MADERA_FLL_SYNCHRONISER_7_OFFS … #define MADERA_FLL_SPREAD_SPECTRUM_OFFS … #define MADERA_FLL_GPIO_CLOCK_OFFS … #define MADERA_FLL_CONTROL_10_OFFS … #define MADERA_FLL_CONTROL_11_OFFS … #define MADERA_FLL1_DIGITAL_TEST_1_OFFS … #define MADERA_FLLAO_CONTROL_1_OFFS … #define MADERA_FLLAO_CONTROL_2_OFFS … #define MADERA_FLLAO_CONTROL_3_OFFS … #define MADERA_FLLAO_CONTROL_4_OFFS … #define MADERA_FLLAO_CONTROL_5_OFFS … #define MADERA_FLLAO_CONTROL_6_OFFS … #define MADERA_FLLAO_CONTROL_7_OFFS … #define MADERA_FLLAO_CONTROL_8_OFFS … #define MADERA_FLLAO_CONTROL_9_OFFS … #define MADERA_FLLAO_CONTROL_10_OFFS … #define MADERA_FLLAO_CONTROL_11_OFFS … #define MADERA_FMT_DSP_MODE_A … #define MADERA_FMT_DSP_MODE_B … #define MADERA_FMT_I2S_MODE … #define MADERA_FMT_LEFT_JUSTIFIED_MODE … #define madera_fll_err(_fll, fmt, ...) … #define madera_fll_warn(_fll, fmt, ...) … #define madera_fll_dbg(_fll, fmt, ...) … #define madera_aif_err(_dai, fmt, ...) … #define madera_aif_warn(_dai, fmt, ...) … #define madera_aif_dbg(_dai, fmt, ...) … static const int madera_dsp_bus_error_irqs[MADERA_MAX_ADSP] = …; int madera_clk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); static void madera_spin_sysclk(struct madera_priv *priv) { … } int madera_sysclk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); static int madera_check_speaker_overheat(struct madera *madera, bool *warn, bool *shutdown) { … } int madera_spk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); static irqreturn_t madera_thermal_warn(int irq, void *data) { … } int madera_init_overheat(struct madera_priv *priv) { … } EXPORT_SYMBOL_GPL(…); int madera_free_overheat(struct madera_priv *priv) { … } EXPORT_SYMBOL_GPL(…); static int madera_get_variable_u32_array(struct device *dev, const char *propname, u32 *dest, int n_max, int multiple) { … } static void madera_prop_get_inmode(struct madera_priv *priv) { … } static void madera_prop_get_pdata(struct madera_priv *priv) { … } int madera_core_init(struct madera_priv *priv) { … } EXPORT_SYMBOL_GPL(…); int madera_core_free(struct madera_priv *priv) { … } EXPORT_SYMBOL_GPL(…); static void madera_debug_dump_domain_groups(const struct madera_priv *priv) { … } int madera_domain_clk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); int madera_out1_demux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); int madera_out1_demux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); static int madera_inmux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char * const madera_inmux_texts[] = …; static SOC_ENUM_SINGLE_DECL(madera_in1muxl_enum, MADERA_ADC_DIGITAL_VOLUME_1L, MADERA_IN1L_SRC_SHIFT, madera_inmux_texts); static SOC_ENUM_SINGLE_DECL(madera_in1muxr_enum, MADERA_ADC_DIGITAL_VOLUME_1R, MADERA_IN1R_SRC_SHIFT, madera_inmux_texts); static SOC_ENUM_SINGLE_DECL(madera_in2muxl_enum, MADERA_ADC_DIGITAL_VOLUME_2L, MADERA_IN2L_SRC_SHIFT, madera_inmux_texts); static SOC_ENUM_SINGLE_DECL(madera_in2muxr_enum, MADERA_ADC_DIGITAL_VOLUME_2R, MADERA_IN2R_SRC_SHIFT, madera_inmux_texts); const struct snd_kcontrol_new madera_inmux[] = …; EXPORT_SYMBOL_GPL(…); static const char * const madera_dmode_texts[] = …; static SOC_ENUM_SINGLE_DECL(madera_in1dmode_enum, MADERA_IN1L_CONTROL, MADERA_IN1_MODE_SHIFT, madera_dmode_texts); static SOC_ENUM_SINGLE_DECL(madera_in2dmode_enum, MADERA_IN2L_CONTROL, MADERA_IN2_MODE_SHIFT, madera_dmode_texts); static SOC_ENUM_SINGLE_DECL(madera_in3dmode_enum, MADERA_IN3L_CONTROL, MADERA_IN3_MODE_SHIFT, madera_dmode_texts); const struct snd_kcontrol_new madera_inmode[] = …; EXPORT_SYMBOL_GPL(…); static bool madera_can_change_grp_rate(const struct madera_priv *priv, unsigned int reg) { … } static int madera_adsp_rate_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct soc_enum madera_adsp_rate_enum[] = …; const struct snd_kcontrol_new madera_adsp_rate_controls[] = …; EXPORT_SYMBOL_GPL(…); static int madera_write_adsp_clk_setting(struct madera_priv *priv, struct wm_adsp *dsp, unsigned int freq) { … } int madera_set_adsp_clk(struct madera_priv *priv, int dsp_num, unsigned int freq) { … } EXPORT_SYMBOL_GPL(…); int madera_rate_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); static void madera_configure_input_mode(struct madera *madera) { … } int madera_init_inputs(struct snd_soc_component *component) { … } EXPORT_SYMBOL_GPL(…); static const struct snd_soc_dapm_route madera_mono_routes[] = …; int madera_init_outputs(struct snd_soc_component *component, const struct snd_soc_dapm_route *routes, int n_mono_routes, int n_real) { … } EXPORT_SYMBOL_GPL(…); int madera_init_bus_error_irq(struct madera_priv *priv, int dsp_num, irq_handler_t handler) { … } EXPORT_SYMBOL_GPL(…); void madera_free_bus_error_irq(struct madera_priv *priv, int dsp_num) { … } EXPORT_SYMBOL_GPL(…); const char * const madera_mixer_texts[] = …; EXPORT_SYMBOL_GPL(…); const unsigned int madera_mixer_values[] = …; EXPORT_SYMBOL_GPL(…); const DECLARE_TLV_DB_SCALE(madera_ana_tlv, 0, 100, 0); EXPORT_SYMBOL_GPL(…); const DECLARE_TLV_DB_SCALE(madera_eq_tlv, -1200, 100, 0); EXPORT_SYMBOL_GPL(…); const DECLARE_TLV_DB_SCALE(madera_digital_tlv, -6400, 50, 0); EXPORT_SYMBOL_GPL(…); const DECLARE_TLV_DB_SCALE(madera_noise_tlv, -13200, 600, 0); EXPORT_SYMBOL_GPL(…); const DECLARE_TLV_DB_SCALE(madera_ng_tlv, -12000, 600, 0); EXPORT_SYMBOL_GPL(…); const DECLARE_TLV_DB_SCALE(madera_mixer_tlv, -3200, 100, 0); EXPORT_SYMBOL_GPL(…); const char * const madera_rate_text[MADERA_RATE_ENUM_SIZE] = …; EXPORT_SYMBOL_GPL(…); const unsigned int madera_rate_val[MADERA_RATE_ENUM_SIZE] = …; EXPORT_SYMBOL_GPL(…); static const char * const madera_dfc_width_text[MADERA_DFC_WIDTH_ENUM_SIZE] = …; static const unsigned int madera_dfc_width_val[MADERA_DFC_WIDTH_ENUM_SIZE] = …; static const char * const madera_dfc_type_text[MADERA_DFC_TYPE_ENUM_SIZE] = …; static const unsigned int madera_dfc_type_val[MADERA_DFC_TYPE_ENUM_SIZE] = …; const struct soc_enum madera_dfc_width[] = …; EXPORT_SYMBOL_GPL(…); const struct soc_enum madera_dfc_type[] = …; EXPORT_SYMBOL_GPL(…); const struct soc_enum madera_isrc_fsh[] = …; EXPORT_SYMBOL_GPL(…); const struct soc_enum madera_isrc_fsl[] = …; EXPORT_SYMBOL_GPL(…); const struct soc_enum madera_asrc1_rate[] = …; EXPORT_SYMBOL_GPL(…); const struct soc_enum madera_asrc1_bidir_rate[] = …; EXPORT_SYMBOL_GPL(…); const struct soc_enum madera_asrc2_rate[] = …; EXPORT_SYMBOL_GPL(…); static const char * const madera_vol_ramp_text[] = …; SOC_ENUM_SINGLE_DECL(madera_in_vd_ramp, MADERA_INPUT_VOLUME_RAMP, MADERA_IN_VD_RAMP_SHIFT, madera_vol_ramp_text); EXPORT_SYMBOL_GPL(…); SOC_ENUM_SINGLE_DECL(madera_in_vi_ramp, MADERA_INPUT_VOLUME_RAMP, MADERA_IN_VI_RAMP_SHIFT, madera_vol_ramp_text); EXPORT_SYMBOL_GPL(…); SOC_ENUM_SINGLE_DECL(madera_out_vd_ramp, MADERA_OUTPUT_VOLUME_RAMP, MADERA_OUT_VD_RAMP_SHIFT, madera_vol_ramp_text); EXPORT_SYMBOL_GPL(…); SOC_ENUM_SINGLE_DECL(madera_out_vi_ramp, MADERA_OUTPUT_VOLUME_RAMP, MADERA_OUT_VI_RAMP_SHIFT, madera_vol_ramp_text); EXPORT_SYMBOL_GPL(…); static const char * const madera_lhpf_mode_text[] = …; SOC_ENUM_SINGLE_DECL(madera_lhpf1_mode, MADERA_HPLPF1_1, MADERA_LHPF1_MODE_SHIFT, madera_lhpf_mode_text); EXPORT_SYMBOL_GPL(…); SOC_ENUM_SINGLE_DECL(madera_lhpf2_mode, MADERA_HPLPF2_1, MADERA_LHPF2_MODE_SHIFT, madera_lhpf_mode_text); EXPORT_SYMBOL_GPL(…); SOC_ENUM_SINGLE_DECL(madera_lhpf3_mode, MADERA_HPLPF3_1, MADERA_LHPF3_MODE_SHIFT, madera_lhpf_mode_text); EXPORT_SYMBOL_GPL(…); SOC_ENUM_SINGLE_DECL(madera_lhpf4_mode, MADERA_HPLPF4_1, MADERA_LHPF4_MODE_SHIFT, madera_lhpf_mode_text); EXPORT_SYMBOL_GPL(…); static const char * const madera_ng_hold_text[] = …; SOC_ENUM_SINGLE_DECL(madera_ng_hold, MADERA_NOISE_GATE_CONTROL, MADERA_NGATE_HOLD_SHIFT, madera_ng_hold_text); EXPORT_SYMBOL_GPL(…); static const char * const madera_in_hpf_cut_text[] = …; SOC_ENUM_SINGLE_DECL(madera_in_hpf_cut_enum, MADERA_HPF_CONTROL, MADERA_IN_HPF_CUT_SHIFT, madera_in_hpf_cut_text); EXPORT_SYMBOL_GPL(…); static const char * const madera_in_dmic_osr_text[MADERA_OSR_ENUM_SIZE] = …; static const unsigned int madera_in_dmic_osr_val[MADERA_OSR_ENUM_SIZE] = …; const struct soc_enum madera_in_dmic_osr[] = …; EXPORT_SYMBOL_GPL(…); static const char * const madera_anc_input_src_text[] = …; static const char * const madera_anc_channel_src_text[] = …; const struct soc_enum madera_anc_input_src[] = …; EXPORT_SYMBOL_GPL(…); static const char * const madera_anc_ng_texts[] = …; SOC_ENUM_SINGLE_DECL(madera_anc_ng_enum, SND_SOC_NOPM, 0, madera_anc_ng_texts); EXPORT_SYMBOL_GPL(…); static const char * const madera_out_anc_src_text[] = …; const struct soc_enum madera_output_anc_src[] = …; EXPORT_SYMBOL_GPL(…); int madera_dfc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); int madera_lp_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); const struct snd_kcontrol_new madera_dsp_trigger_output_mux[] = …; EXPORT_SYMBOL_GPL(…); const struct snd_kcontrol_new madera_drc_activity_output_mux[] = …; EXPORT_SYMBOL_GPL(…); static void madera_in_set_vu(struct madera_priv *priv, bool enable) { … } int madera_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); int madera_out_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); int madera_hp_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); int madera_anc_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } EXPORT_SYMBOL_GPL(…); static const unsigned int madera_opclk_ref_48k_rates[] = …; static const unsigned int madera_opclk_ref_44k1_rates[] = …; static int madera_set_opclk(struct snd_soc_component *component, unsigned int clk, unsigned int freq) { … } static int madera_get_sysclk_setting(unsigned int freq) { … } static int madera_get_legacy_dspclk_setting(struct madera *madera, unsigned int freq) { … } static int madera_get_dspclk_setting(struct madera *madera, unsigned int freq, unsigned int *clock_2_val) { … } static int madera_set_outclk(struct snd_soc_component *component, unsigned int source, unsigned int freq) { … } int madera_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { … } EXPORT_SYMBOL_GPL(…); static int madera_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static const int madera_48k_bclk_rates[] = …; static const int madera_44k1_bclk_rates[] = …; static const unsigned int madera_sr_vals[] = …; #define MADERA_192K_48K_RATE_MASK … #define MADERA_192K_44K1_RATE_MASK … #define MADERA_192K_RATE_MASK … #define MADERA_384K_48K_RATE_MASK … #define MADERA_384K_44K1_RATE_MASK … #define MADERA_384K_RATE_MASK … static const struct snd_pcm_hw_constraint_list madera_constraint = …; static int madera_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int madera_hw_params_rate(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int madera_aif_cfg_changed(struct snd_soc_component *component, int base, int bclk, int lrclk, int frame) { … } static int madera_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int madera_is_syncclk(int clk_id) { … } static int madera_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int madera_set_tristate(struct snd_soc_dai *dai, int tristate) { … } static void madera_set_channels_to_mask(struct snd_soc_dai *dai, unsigned int base, int channels, unsigned int mask) { … } static int madera_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { … } const struct snd_soc_dai_ops madera_dai_ops = …; EXPORT_SYMBOL_GPL(…); const struct snd_soc_dai_ops madera_simple_dai_ops = …; EXPORT_SYMBOL_GPL(…); int madera_init_dai(struct madera_priv *priv, int id) { … } EXPORT_SYMBOL_GPL(…); static const struct { … } fll_sync_fratios[] = …; static const unsigned int pseudo_fref_max[MADERA_FLL_MAX_FRATIO] = …; struct madera_fll_gains { … }; static const struct madera_fll_gains madera_fll_sync_gains[] = …; static const struct madera_fll_gains madera_fll_main_gains[] = …; static int madera_find_sync_fratio(unsigned int fref, int *fratio) { … } static int madera_find_main_fratio(unsigned int fref, unsigned int fout, int *fratio) { … } static int madera_find_fratio(struct madera_fll *fll, unsigned int fref, bool sync, int *fratio) { … } static int madera_calc_fratio(struct madera_fll *fll, struct madera_fll_cfg *cfg, unsigned int fref, bool sync) { … } static int madera_find_fll_gain(struct madera_fll *fll, struct madera_fll_cfg *cfg, unsigned int fref, const struct madera_fll_gains *gains, int n_gains) { … } static int madera_calc_fll(struct madera_fll *fll, struct madera_fll_cfg *cfg, unsigned int fref, bool sync) { … } static bool madera_write_fll(struct madera *madera, unsigned int base, struct madera_fll_cfg *cfg, int source, bool sync, int gain) { … } static int madera_is_enabled_fll(struct madera_fll *fll, int base) { … } static int madera_wait_for_fll(struct madera_fll *fll, bool requested) { … } static bool madera_set_fll_phase_integrator(struct madera_fll *fll, struct madera_fll_cfg *ref_cfg, bool sync) { … } static int madera_set_fll_clks_reg(struct madera_fll *fll, bool ena, unsigned int reg, unsigned int mask, unsigned int shift) { … } static inline int madera_set_fll_clks(struct madera_fll *fll, int base, bool ena) { … } static inline int madera_set_fllao_clks(struct madera_fll *fll, int base, bool ena) { … } static inline int madera_set_fllhj_clks(struct madera_fll *fll, int base, bool ena) { … } static void madera_disable_fll(struct madera_fll *fll) { … } static int madera_enable_fll(struct madera_fll *fll) { … } static int madera_apply_fll(struct madera_fll *fll) { … } int madera_set_fll_syncclk(struct madera_fll *fll, int source, unsigned int fref, unsigned int fout) { … } EXPORT_SYMBOL_GPL(…); int madera_set_fll_refclk(struct madera_fll *fll, int source, unsigned int fref, unsigned int fout) { … } EXPORT_SYMBOL_GPL(…); int madera_init_fll(struct madera *madera, int id, int base, struct madera_fll *fll) { … } EXPORT_SYMBOL_GPL(…); static const struct reg_sequence madera_fll_ao_32K_49M_patch[] = …; static const struct reg_sequence madera_fll_ao_32K_45M_patch[] = …; struct madera_fllao_patch { … }; static const struct madera_fllao_patch madera_fllao_settings[] = …; static int madera_enable_fll_ao(struct madera_fll *fll, const struct reg_sequence *patch, unsigned int patch_size) { … } static int madera_disable_fll_ao(struct madera_fll *fll) { … } int madera_set_fll_ao_refclk(struct madera_fll *fll, int source, unsigned int fin, unsigned int fout) { … } EXPORT_SYMBOL_GPL(…); static int madera_fllhj_disable(struct madera_fll *fll) { … } static int madera_fllhj_apply(struct madera_fll *fll, int fin) { … } static int madera_fllhj_enable(struct madera_fll *fll) { … } static int madera_fllhj_validate(struct madera_fll *fll, unsigned int ref_in, unsigned int fout) { … } int madera_fllhj_set_refclk(struct madera_fll *fll, int source, unsigned int fin, unsigned int fout) { … } EXPORT_SYMBOL_GPL(…); /** * madera_set_output_mode - Set the mode of the specified output * * @component: Device to configure * @output: Output number * @differential: True to set the output to differential mode * * Some systems use external analogue switches to connect more * analogue devices to the CODEC than are supported by the device. In * some systems this requires changing the switched output from single * ended to differential mode dynamically at runtime, an operation * supported using this function. * * Most systems have a single static configuration and should use * platform data instead. */ int madera_set_output_mode(struct snd_soc_component *component, int output, bool differential) { … } EXPORT_SYMBOL_GPL(…); static bool madera_eq_filter_unstable(bool mode, __be16 _a, __be16 _b) { … } int madera_eq_coeff_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); int madera_lhpf_coeff_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } EXPORT_SYMBOL_GPL(…); MODULE_SOFTDEP(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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