// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA driver for ICEnsemble VT1724 (Envy24HT) * * Lowlevel functions for Philips PSC724 Ultimate Edge * * Copyright (c) 2012 Ondrej Zary <[email protected]> */ #include <linux/delay.h> #include <linux/init.h> #include <linux/slab.h> #include <sound/core.h> #include "ice1712.h" #include "envy24ht.h" #include "psc724.h" #include "wm8766.h" #include "wm8776.h" struct psc724_spec { … }; /****************************************************************************/ /* PHILIPS PSC724 ULTIMATE EDGE */ /****************************************************************************/ /* * VT1722 (Envy24GT) - 6 outputs, 4 inputs (only 2 used), 24-bit/96kHz * * system configuration ICE_EEP2_SYSCONF=0x42 * XIN1 49.152MHz * no MPU401 * one stereo ADC, no S/PDIF receiver * three stereo DACs (FRONT, REAR, CENTER+LFE) * * AC-Link configuration ICE_EEP2_ACLINK=0x80 * use I2S, not AC97 * * I2S converters feature ICE_EEP2_I2S=0x30 * I2S codec has no volume/mute control feature (bug!) * I2S codec does not support 96KHz or 192KHz (bug!) * I2S codec 24bits * * S/PDIF configuration ICE_EEP2_SPDIF=0xc1 * Enable integrated S/PDIF transmitter * internal S/PDIF out implemented * No S/PDIF input * External S/PDIF out implemented * * * ** connected chips ** * * WM8776 * 2-channel DAC used for main output and stereo ADC (with 10-channel MUX) * AIN1: LINE IN, AIN2: CD/VIDEO, AIN3: AUX, AIN4: Front MIC, AIN5: Rear MIC * Controlled by I2C using VT1722 I2C interface: * MODE (pin16) -- GND * CE (pin17) -- GND I2C mode (address=0x34) * DI (pin18) -- SDA (VT1722 pin70) * CL (pin19) -- SCLK (VT1722 pin71) * * WM8766 * 6-channel DAC used for rear & center/LFE outputs (only 4 channels used) * Controlled by SPI using VT1722 GPIO pins: * MODE (pin 1) -- GPIO19 (VT1722 pin99) * ML/I2S (pin11) -- GPIO18 (VT1722 pin98) * MC/IWL (pin12) -- GPIO17 (VT1722 pin97) * MD/DM (pin13) -- GPIO16 (VT1722 pin96) * MUTE (pin14) -- GPIO20 (VT1722 pin101) * * GPIO14 is used as input for headphone jack detection (1 = connected) * GPIO22 is used as MUTE ALL output, grounding all 6 channels * * ** output pins and device names ** * * 5.1ch name -- output connector color -- device (-D option) * * FRONT 2ch -- green -- plughw:0,0 * CENTER(Lch) SUBWOOFER(Rch) -- orange -- plughw:0,2,0 * REAR 2ch -- black -- plughw:0,2,1 */ /* codec access low-level functions */ #define GPIO_HP_JACK … #define GPIO_MUTE_SUR … #define GPIO_MUTE_ALL … #define JACK_INTERVAL … #define PSC724_SPI_DELAY … #define PSC724_SPI_DATA … #define PSC724_SPI_CLK … #define PSC724_SPI_LOAD … #define PSC724_SPI_MASK … static void psc724_wm8766_write(struct snd_wm8766 *wm, u16 addr, u16 data) { … } static void psc724_wm8776_write(struct snd_wm8776 *wm, u8 addr, u8 data) { … } /* mute all */ static void psc724_set_master_switch(struct snd_ice1712 *ice, bool on) { … } static bool psc724_get_master_switch(struct snd_ice1712 *ice) { … } /* jack detection */ static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected) { … } static void psc724_update_hp_jack_state(struct work_struct *work) { … } static void psc724_set_jack_detection(struct snd_ice1712 *ice, bool on) { … } static bool psc724_get_jack_detection(struct snd_ice1712 *ice) { … } /* mixer controls */ struct psc724_control { … }; static const struct psc724_control psc724_cont[] = …; static int psc724_ctl_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int psc724_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char *front_volume = …; static const char *front_switch = …; static const char *front_zc = …; static const char *front_izd = …; static const char *front_phase = …; static const char *front_deemph = …; static const char *ain1_switch = …; static const char *ain2_switch = …; static const char *ain3_switch = …; static const char *ain4_switch = …; static const char *ain5_switch = …; static const char *rear_volume = …; static const char *clfe_volume = …; static const char *rear_switch = …; static const char *clfe_switch = …; static const char *rear_phase = …; static const char *clfe_phase = …; static const char *rear_deemph = …; static const char *clfe_deemph = …; static const char *rear_clfe_izd = …; static const char *rear_clfe_zc = …; static int psc724_add_controls(struct snd_ice1712 *ice) { … } static void psc724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate) { … } /* power management */ #ifdef CONFIG_PM_SLEEP static int psc724_resume(struct snd_ice1712 *ice) { … } #endif /* init */ static int psc724_init(struct snd_ice1712 *ice) { … } static void psc724_exit(struct snd_ice1712 *ice) { … } /* PSC724 has buggy EEPROM (no 96&192kHz, all FFh GPIOs), so override it here */ static const unsigned char psc724_eeprom[] = …; struct snd_ice1712_card_info snd_vt1724_psc724_cards[] = …;
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