// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <[email protected]> * Routines for control of CS4235/4236B/4237B/4238B/4239 chips * * Note: * ----- * * Bugs: * ----- */ /* * Indirect control registers (CS4236B+) * * C0 * D8: WSS reset (all chips) * * C1 (all chips except CS4236) * D7-D5: version * D4-D0: chip id * 11101 - CS4235 * 01011 - CS4236B * 01000 - CS4237B * 01001 - CS4238B * 11110 - CS4239 * * C2 * D7-D4: 3D Space (CS4235,CS4237B,CS4238B,CS4239) * D3-D0: 3D Center (CS4237B); 3D Volume (CS4238B) * * C3 * D7: 3D Enable (CS4237B) * D6: 3D Mono Enable (CS4237B) * D5: 3D Serial Output (CS4237B,CS4238B) * D4: 3D Enable (CS4235,CS4238B,CS4239) * * C4 * D7: consumer serial port enable (CS4237B,CS4238B) * D6: channels status block reset (CS4237B,CS4238B) * D5: user bit in sub-frame of digital audio data (CS4237B,CS4238B) * D4: validity bit in sub-frame of digital audio data (CS4237B,CS4238B) * * C5 lower channel status (digital serial data description) (CS4237B,CS4238B) * D7-D6: first two bits of category code * D5: lock * D4-D3: pre-emphasis (0 = none, 1 = 50/15us) * D2: copy/copyright (0 = copy inhibited) * D1: 0 = digital audio / 1 = non-digital audio * * C6 upper channel status (digital serial data description) (CS4237B,CS4238B) * D7-D6: sample frequency (0 = 44.1kHz) * D5: generation status (0 = no indication, 1 = original/commercially precaptureed data) * D4-D0: category code (upper bits) * * C7 reserved (must write 0) * * C8 wavetable control * D7: volume control interrupt enable (CS4235,CS4239) * D6: hardware volume control format (CS4235,CS4239) * D3: wavetable serial port enable (all chips) * D2: DSP serial port switch (all chips) * D1: disable MCLK (all chips) * D0: force BRESET low (all chips) * */ #include <linux/io.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/time.h> #include <linux/wait.h> #include <sound/core.h> #include <sound/wss.h> #include <sound/asoundef.h> #include <sound/initval.h> #include <sound/tlv.h> /* * */ static const unsigned char snd_cs4236_ext_map[18] = …; /* * */ static void snd_cs4236_ctrl_out(struct snd_wss *chip, unsigned char reg, unsigned char val) { … } static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg) { … } /* * PCM */ #define CLOCKS … static const struct snd_ratnum clocks[CLOCKS] = …; static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = …; static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime) { … } static unsigned char divisor_to_rate_register(unsigned int divisor) { … } static void snd_cs4236_playback_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char pdfr) { … } static void snd_cs4236_capture_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char cdfr) { … } #ifdef CONFIG_PM static void snd_cs4236_suspend(struct snd_wss *chip) { … } static void snd_cs4236_resume(struct snd_wss *chip) { … } #endif /* CONFIG_PM */ /* * This function does no fail if the chip is not CS4236B or compatible. * It just an equivalent to the snd_wss_create() then. */ int snd_cs4236_create(struct snd_card *card, unsigned long port, unsigned long cport, int irq, int dma1, int dma2, unsigned short hardware, unsigned short hwshare, struct snd_wss **rchip) { … } int snd_cs4236_pcm(struct snd_wss *chip, int device) { … } /* * MIXER */ #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) … #define CS4236_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) … static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) … static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) … #define CS4236_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, \ shift_right, mask, invert, xtlv) … static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, \ shift_right, mask, invert) … #define CS4236_DOUBLE1_TLV(xname, xindex, left_reg, right_reg, shift_left, \ shift_right, mask, invert, xtlv) … static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define CS4236_MASTER_DIGITAL(xname, xindex, xtlv) … static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol) { … } static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define CS4235_OUTPUT_ACCU(xname, xindex, xtlv) … static inline int snd_cs4235_mixer_output_accu_get_volume(int vol) { … } static inline int snd_cs4235_mixer_output_accu_set_volume(int vol) { … } static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_6bit_12db_max, -8250, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_22db_max, -2400, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0); static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); static const struct snd_kcontrol_new snd_cs4236_controls[] = …; static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0); static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0); static const struct snd_kcontrol_new snd_cs4235_controls[] = …; #define CS4236_IEC958_ENABLE(xname, xindex) … static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new snd_cs4236_iec958_controls[] = …; static const struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = …; static const struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = …; static const struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = …; int snd_cs4236_mixer(struct snd_wss *chip) { … }
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