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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * ALSA driver for ICEnsemble VT1724 (Envy24HT)4 *5 * Lowlevel functions for Philips PSC724 Ultimate Edge6 *7 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>8 */9 10#include <linux/delay.h>11#include <linux/init.h>12#include <linux/slab.h>13#include <sound/core.h>14 15#include "ice1712.h"16#include "envy24ht.h"17#include "psc724.h"18#include "wm8766.h"19#include "wm8776.h"20 21struct psc724_spec {22 struct snd_wm8766 wm8766;23 struct snd_wm8776 wm8776;24 bool mute_all, jack_detect;25 struct snd_ice1712 *ice;26 struct delayed_work hp_work;27 bool hp_connected;28};29 30/****************************************************************************/31/* PHILIPS PSC724 ULTIMATE EDGE */32/****************************************************************************/33/*34 * VT1722 (Envy24GT) - 6 outputs, 4 inputs (only 2 used), 24-bit/96kHz35 *36 * system configuration ICE_EEP2_SYSCONF=0x4237 * XIN1 49.152MHz38 * no MPU40139 * one stereo ADC, no S/PDIF receiver40 * three stereo DACs (FRONT, REAR, CENTER+LFE)41 *42 * AC-Link configuration ICE_EEP2_ACLINK=0x8043 * use I2S, not AC9744 *45 * I2S converters feature ICE_EEP2_I2S=0x3046 * I2S codec has no volume/mute control feature (bug!)47 * I2S codec does not support 96KHz or 192KHz (bug!)48 * I2S codec 24bits49 *50 * S/PDIF configuration ICE_EEP2_SPDIF=0xc151 * Enable integrated S/PDIF transmitter52 * internal S/PDIF out implemented53 * No S/PDIF input54 * External S/PDIF out implemented55 *56 *57 * ** connected chips **58 *59 * WM877660 * 2-channel DAC used for main output and stereo ADC (with 10-channel MUX)61 * AIN1: LINE IN, AIN2: CD/VIDEO, AIN3: AUX, AIN4: Front MIC, AIN5: Rear MIC62 * Controlled by I2C using VT1722 I2C interface:63 * MODE (pin16) -- GND64 * CE (pin17) -- GND I2C mode (address=0x34)65 * DI (pin18) -- SDA (VT1722 pin70)66 * CL (pin19) -- SCLK (VT1722 pin71)67 *68 * WM876669 * 6-channel DAC used for rear & center/LFE outputs (only 4 channels used)70 * Controlled by SPI using VT1722 GPIO pins:71 * MODE (pin 1) -- GPIO19 (VT1722 pin99)72 * ML/I2S (pin11) -- GPIO18 (VT1722 pin98)73 * MC/IWL (pin12) -- GPIO17 (VT1722 pin97)74 * MD/DM (pin13) -- GPIO16 (VT1722 pin96)75 * MUTE (pin14) -- GPIO20 (VT1722 pin101)76 *77 * GPIO14 is used as input for headphone jack detection (1 = connected)78 * GPIO22 is used as MUTE ALL output, grounding all 6 channels79 *80 * ** output pins and device names **81 *82 * 5.1ch name -- output connector color -- device (-D option)83 *84 * FRONT 2ch -- green -- plughw:0,085 * CENTER(Lch) SUBWOOFER(Rch) -- orange -- plughw:0,2,086 * REAR 2ch -- black -- plughw:0,2,187 */88 89/* codec access low-level functions */90 91#define GPIO_HP_JACK (1 << 14)92#define GPIO_MUTE_SUR (1 << 20)93#define GPIO_MUTE_ALL (1 << 22)94 95#define JACK_INTERVAL 100096 97#define PSC724_SPI_DELAY 198 99#define PSC724_SPI_DATA (1 << 16)100#define PSC724_SPI_CLK (1 << 17)101#define PSC724_SPI_LOAD (1 << 18)102#define PSC724_SPI_MASK (PSC724_SPI_DATA | PSC724_SPI_CLK | PSC724_SPI_LOAD)103 104static void psc724_wm8766_write(struct snd_wm8766 *wm, u16 addr, u16 data)105{106 struct psc724_spec *spec = container_of(wm, struct psc724_spec, wm8766);107 struct snd_ice1712 *ice = spec->ice;108 u32 st, bits;109 int i;110 111 snd_ice1712_save_gpio_status(ice);112 113 st = ((addr & 0x7f) << 9) | (data & 0x1ff);114 snd_ice1712_gpio_set_dir(ice, ice->gpio.direction | PSC724_SPI_MASK);115 snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask & ~PSC724_SPI_MASK);116 bits = snd_ice1712_gpio_read(ice) & ~PSC724_SPI_MASK;117 snd_ice1712_gpio_write(ice, bits);118 119 for (i = 0; i < 16; i++) {120 udelay(PSC724_SPI_DELAY);121 bits &= ~PSC724_SPI_CLK;122 /* MSB first */123 st <<= 1;124 if (st & 0x10000)125 bits |= PSC724_SPI_DATA;126 else127 bits &= ~PSC724_SPI_DATA;128 snd_ice1712_gpio_write(ice, bits);129 /* CLOCK high */130 udelay(PSC724_SPI_DELAY);131 bits |= PSC724_SPI_CLK;132 snd_ice1712_gpio_write(ice, bits);133 }134 /* LOAD high */135 udelay(PSC724_SPI_DELAY);136 bits |= PSC724_SPI_LOAD;137 snd_ice1712_gpio_write(ice, bits);138 /* LOAD low, DATA and CLOCK high */139 udelay(PSC724_SPI_DELAY);140 bits |= (PSC724_SPI_DATA | PSC724_SPI_CLK);141 snd_ice1712_gpio_write(ice, bits);142 143 snd_ice1712_restore_gpio_status(ice);144}145 146static void psc724_wm8776_write(struct snd_wm8776 *wm, u8 addr, u8 data)147{148 struct psc724_spec *spec = container_of(wm, struct psc724_spec, wm8776);149 150 snd_vt1724_write_i2c(spec->ice, 0x34, addr, data);151}152 153/* mute all */154 155static void psc724_set_master_switch(struct snd_ice1712 *ice, bool on)156{157 unsigned int bits = snd_ice1712_gpio_read(ice);158 struct psc724_spec *spec = ice->spec;159 160 spec->mute_all = !on;161 if (on)162 bits &= ~(GPIO_MUTE_ALL | GPIO_MUTE_SUR);163 else164 bits |= GPIO_MUTE_ALL | GPIO_MUTE_SUR;165 snd_ice1712_gpio_write(ice, bits);166}167 168static bool psc724_get_master_switch(struct snd_ice1712 *ice)169{170 struct psc724_spec *spec = ice->spec;171 172 return !spec->mute_all;173}174 175/* jack detection */176 177static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected)178{179 struct psc724_spec *spec = ice->spec;180 struct snd_kcontrol *kctl;181 u16 power = spec->wm8776.regs[WM8776_REG_PWRDOWN] & ~WM8776_PWR_HPPD;182 183 psc724_set_master_switch(ice, !hp_connected);184 if (!hp_connected)185 power |= WM8776_PWR_HPPD;186 snd_wm8776_set_power(&spec->wm8776, power);187 spec->hp_connected = hp_connected;188 /* notify about master speaker mute change */189 kctl = snd_ctl_find_id_mixer(ice->card,190 "Master Speakers Playback Switch");191 if (kctl)192 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);193 /* and headphone mute change */194 kctl = snd_ctl_find_id_mixer(ice->card,195 spec->wm8776.ctl[WM8776_CTL_HP_SW].name);196 if (kctl)197 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);198}199 200static void psc724_update_hp_jack_state(struct work_struct *work)201{202 struct psc724_spec *spec = container_of(work, struct psc724_spec,203 hp_work.work);204 struct snd_ice1712 *ice = spec->ice;205 bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK;206 207 schedule_delayed_work(&spec->hp_work, msecs_to_jiffies(JACK_INTERVAL));208 if (hp_connected == spec->hp_connected)209 return;210 psc724_set_jack_state(ice, hp_connected);211}212 213static void psc724_set_jack_detection(struct snd_ice1712 *ice, bool on)214{215 struct psc724_spec *spec = ice->spec;216 217 if (spec->jack_detect == on)218 return;219 220 spec->jack_detect = on;221 if (on) {222 bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK;223 psc724_set_jack_state(ice, hp_connected);224 schedule_delayed_work(&spec->hp_work,225 msecs_to_jiffies(JACK_INTERVAL));226 } else227 cancel_delayed_work_sync(&spec->hp_work);228}229 230static bool psc724_get_jack_detection(struct snd_ice1712 *ice)231{232 struct psc724_spec *spec = ice->spec;233 234 return spec->jack_detect;235}236 237/* mixer controls */238 239struct psc724_control {240 const char *name;241 void (*set)(struct snd_ice1712 *ice, bool on);242 bool (*get)(struct snd_ice1712 *ice);243};244 245static const struct psc724_control psc724_cont[] = {246 {247 .name = "Master Speakers Playback Switch",248 .set = psc724_set_master_switch,249 .get = psc724_get_master_switch,250 },251 {252 .name = "Headphone Jack Detection Playback Switch",253 .set = psc724_set_jack_detection,254 .get = psc724_get_jack_detection,255 },256};257 258static int psc724_ctl_get(struct snd_kcontrol *kcontrol,259 struct snd_ctl_elem_value *ucontrol)260{261 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);262 int n = kcontrol->private_value;263 264 ucontrol->value.integer.value[0] = psc724_cont[n].get(ice);265 266 return 0;267}268 269static int psc724_ctl_put(struct snd_kcontrol *kcontrol,270 struct snd_ctl_elem_value *ucontrol)271{272 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);273 int n = kcontrol->private_value;274 275 psc724_cont[n].set(ice, ucontrol->value.integer.value[0]);276 277 return 0;278}279 280static const char *front_volume = "Front Playback Volume";281static const char *front_switch = "Front Playback Switch";282static const char *front_zc = "Front Zero Cross Detect Playback Switch";283static const char *front_izd = "Front Infinite Zero Detect Playback Switch";284static const char *front_phase = "Front Phase Invert Playback Switch";285static const char *front_deemph = "Front Deemphasis Playback Switch";286static const char *ain1_switch = "Line Capture Switch";287static const char *ain2_switch = "CD Capture Switch";288static const char *ain3_switch = "AUX Capture Switch";289static const char *ain4_switch = "Front Mic Capture Switch";290static const char *ain5_switch = "Rear Mic Capture Switch";291static const char *rear_volume = "Surround Playback Volume";292static const char *clfe_volume = "CLFE Playback Volume";293static const char *rear_switch = "Surround Playback Switch";294static const char *clfe_switch = "CLFE Playback Switch";295static const char *rear_phase = "Surround Phase Invert Playback Switch";296static const char *clfe_phase = "CLFE Phase Invert Playback Switch";297static const char *rear_deemph = "Surround Deemphasis Playback Switch";298static const char *clfe_deemph = "CLFE Deemphasis Playback Switch";299static const char *rear_clfe_izd = "Rear Infinite Zero Detect Playback Switch";300static const char *rear_clfe_zc = "Rear Zero Cross Detect Playback Switch";301 302static int psc724_add_controls(struct snd_ice1712 *ice)303{304 struct snd_kcontrol_new cont;305 struct snd_kcontrol *ctl;306 int err, i;307 struct psc724_spec *spec = ice->spec;308 309 spec->wm8776.ctl[WM8776_CTL_DAC_VOL].name = front_volume;310 spec->wm8776.ctl[WM8776_CTL_DAC_SW].name = front_switch;311 spec->wm8776.ctl[WM8776_CTL_DAC_ZC_SW].name = front_zc;312 spec->wm8776.ctl[WM8776_CTL_AUX_SW].name = NULL;313 spec->wm8776.ctl[WM8776_CTL_DAC_IZD_SW].name = front_izd;314 spec->wm8776.ctl[WM8776_CTL_PHASE_SW].name = front_phase;315 spec->wm8776.ctl[WM8776_CTL_DEEMPH_SW].name = front_deemph;316 spec->wm8776.ctl[WM8776_CTL_INPUT1_SW].name = ain1_switch;317 spec->wm8776.ctl[WM8776_CTL_INPUT2_SW].name = ain2_switch;318 spec->wm8776.ctl[WM8776_CTL_INPUT3_SW].name = ain3_switch;319 spec->wm8776.ctl[WM8776_CTL_INPUT4_SW].name = ain4_switch;320 spec->wm8776.ctl[WM8776_CTL_INPUT5_SW].name = ain5_switch;321 snd_wm8776_build_controls(&spec->wm8776);322 spec->wm8766.ctl[WM8766_CTL_CH1_VOL].name = rear_volume;323 spec->wm8766.ctl[WM8766_CTL_CH2_VOL].name = clfe_volume;324 spec->wm8766.ctl[WM8766_CTL_CH3_VOL].name = NULL;325 spec->wm8766.ctl[WM8766_CTL_CH1_SW].name = rear_switch;326 spec->wm8766.ctl[WM8766_CTL_CH2_SW].name = clfe_switch;327 spec->wm8766.ctl[WM8766_CTL_CH3_SW].name = NULL;328 spec->wm8766.ctl[WM8766_CTL_PHASE1_SW].name = rear_phase;329 spec->wm8766.ctl[WM8766_CTL_PHASE2_SW].name = clfe_phase;330 spec->wm8766.ctl[WM8766_CTL_PHASE3_SW].name = NULL;331 spec->wm8766.ctl[WM8766_CTL_DEEMPH1_SW].name = rear_deemph;332 spec->wm8766.ctl[WM8766_CTL_DEEMPH2_SW].name = clfe_deemph;333 spec->wm8766.ctl[WM8766_CTL_DEEMPH3_SW].name = NULL;334 spec->wm8766.ctl[WM8766_CTL_IZD_SW].name = rear_clfe_izd;335 spec->wm8766.ctl[WM8766_CTL_ZC_SW].name = rear_clfe_zc;336 snd_wm8766_build_controls(&spec->wm8766);337 338 memset(&cont, 0, sizeof(cont));339 cont.iface = SNDRV_CTL_ELEM_IFACE_MIXER;340 for (i = 0; i < ARRAY_SIZE(psc724_cont); i++) {341 cont.private_value = i;342 cont.name = psc724_cont[i].name;343 cont.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;344 cont.info = snd_ctl_boolean_mono_info;345 cont.get = psc724_ctl_get;346 cont.put = psc724_ctl_put;347 ctl = snd_ctl_new1(&cont, ice);348 if (!ctl)349 return -ENOMEM;350 err = snd_ctl_add(ice->card, ctl);351 if (err < 0)352 return err;353 }354 355 return 0;356}357 358static void psc724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate)359{360 struct psc724_spec *spec = ice->spec;361 /* restore codec volume settings after rate change (PMCLK stop) */362 snd_wm8776_volume_restore(&spec->wm8776);363 snd_wm8766_volume_restore(&spec->wm8766);364}365 366/* power management */367 368#ifdef CONFIG_PM_SLEEP369static int psc724_resume(struct snd_ice1712 *ice)370{371 struct psc724_spec *spec = ice->spec;372 373 snd_wm8776_resume(&spec->wm8776);374 snd_wm8766_resume(&spec->wm8766);375 376 return 0;377}378#endif379 380/* init */381 382static int psc724_init(struct snd_ice1712 *ice)383{384 struct psc724_spec *spec;385 386 spec = kzalloc(sizeof(*spec), GFP_KERNEL);387 if (!spec)388 return -ENOMEM;389 ice->spec = spec;390 spec->ice = ice;391 392 ice->num_total_dacs = 6;393 ice->num_total_adcs = 2;394 spec->wm8776.ops.write = psc724_wm8776_write;395 spec->wm8776.card = ice->card;396 snd_wm8776_init(&spec->wm8776);397 spec->wm8766.ops.write = psc724_wm8766_write;398 spec->wm8766.card = ice->card;399#ifdef CONFIG_PM_SLEEP400 ice->pm_resume = psc724_resume;401 ice->pm_suspend_enabled = 1;402#endif403 snd_wm8766_init(&spec->wm8766);404 snd_wm8766_set_if(&spec->wm8766,405 WM8766_IF_FMT_I2S | WM8766_IF_IWL_24BIT);406 ice->gpio.set_pro_rate = psc724_set_pro_rate;407 INIT_DELAYED_WORK(&spec->hp_work, psc724_update_hp_jack_state);408 psc724_set_jack_detection(ice, true);409 return 0;410}411 412static void psc724_exit(struct snd_ice1712 *ice)413{414 struct psc724_spec *spec = ice->spec;415 416 cancel_delayed_work_sync(&spec->hp_work);417}418 419/* PSC724 has buggy EEPROM (no 96&192kHz, all FFh GPIOs), so override it here */420static const unsigned char psc724_eeprom[] = {421 [ICE_EEP2_SYSCONF] = 0x42, /* 49.152MHz, 1 ADC, 3 DACs */422 [ICE_EEP2_ACLINK] = 0x80, /* I2S */423 [ICE_EEP2_I2S] = 0xf0, /* I2S volume, 96kHz, 24bit */424 [ICE_EEP2_SPDIF] = 0xc1, /* spdif out-en, out-int, no input */425 /* GPIO outputs */426 [ICE_EEP2_GPIO_DIR2] = 0x5f, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */427 /* GPIO write enable */428 [ICE_EEP2_GPIO_MASK] = 0xff, /* read-only */429 [ICE_EEP2_GPIO_MASK1] = 0xff, /* read-only */430 [ICE_EEP2_GPIO_MASK2] = 0xa0, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */431 /* GPIO initial state */432 [ICE_EEP2_GPIO_STATE2] = 0x20, /* unmuted, all WM8766 pins low */433};434 435struct snd_ice1712_card_info snd_vt1724_psc724_cards[] = {436 {437 .subvendor = VT1724_SUBDEVICE_PSC724,438 .name = "Philips PSC724 Ultimate Edge",439 .model = "psc724",440 .chip_init = psc724_init,441 .chip_exit = psc724_exit,442 .build_controls = psc724_add_controls,443 .eeprom_size = sizeof(psc724_eeprom),444 .eeprom_data = psc724_eeprom,445 },446 {} /*terminator*/447};448