1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * ALSA driver for ICEnsemble VT1724 (Envy24HT) 4 * 5 * Lowlevel functions for Philips PSC724 Ultimate Edge 6 * 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/96kHz 35 * 36 * system configuration ICE_EEP2_SYSCONF=0x42 37 * XIN1 49.152MHz 38 * no MPU401 39 * one stereo ADC, no S/PDIF receiver 40 * three stereo DACs (FRONT, REAR, CENTER+LFE) 41 * 42 * AC-Link configuration ICE_EEP2_ACLINK=0x80 43 * use I2S, not AC97 44 * 45 * I2S converters feature ICE_EEP2_I2S=0x30 46 * I2S codec has no volume/mute control feature (bug!) 47 * I2S codec does not support 96KHz or 192KHz (bug!) 48 * I2S codec 24bits 49 * 50 * S/PDIF configuration ICE_EEP2_SPDIF=0xc1 51 * Enable integrated S/PDIF transmitter 52 * internal S/PDIF out implemented 53 * No S/PDIF input 54 * External S/PDIF out implemented 55 * 56 * 57 * ** connected chips ** 58 * 59 * WM8776 60 * 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 MIC 62 * Controlled by I2C using VT1722 I2C interface: 63 * MODE (pin16) -- GND 64 * CE (pin17) -- GND I2C mode (address=0x34) 65 * DI (pin18) -- SDA (VT1722 pin70) 66 * CL (pin19) -- SCLK (VT1722 pin71) 67 * 68 * WM8766 69 * 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 channels 79 * 80 * ** output pins and device names ** 81 * 82 * 5.1ch name -- output connector color -- device (-D option) 83 * 84 * FRONT 2ch -- green -- plughw:0,0 85 * CENTER(Lch) SUBWOOFER(Rch) -- orange -- plughw:0,2,0 86 * REAR 2ch -- black -- plughw:0,2,1 87 */ 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 1000 96 97#define PSC724_SPI_DELAY 1 98 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 else 127 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 else 164 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_ctl_elem_id elem_id; 181 struct snd_kcontrol *kctl; 182 u16 power = spec->wm8776.regs[WM8776_REG_PWRDOWN] & ~WM8776_PWR_HPPD; 183 184 psc724_set_master_switch(ice, !hp_connected); 185 if (!hp_connected) 186 power |= WM8776_PWR_HPPD; 187 snd_wm8776_set_power(&spec->wm8776, power); 188 spec->hp_connected = hp_connected; 189 /* notify about master speaker mute change */ 190 memset(&elem_id, 0, sizeof(elem_id)); 191 elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 192 strlcpy(elem_id.name, "Master Speakers Playback Switch", 193 sizeof(elem_id.name)); 194 kctl = snd_ctl_find_id(ice->card, &elem_id); 195 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); 196 /* and headphone mute change */ 197 strlcpy(elem_id.name, spec->wm8776.ctl[WM8776_CTL_HP_SW].name, 198 sizeof(elem_id.name)); 199 kctl = snd_ctl_find_id(ice->card, &elem_id); 200 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); 201} 202 203static void psc724_update_hp_jack_state(struct work_struct *work) 204{ 205 struct psc724_spec *spec = container_of(work, struct psc724_spec, 206 hp_work.work); 207 struct snd_ice1712 *ice = spec->ice; 208 bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK; 209 210 schedule_delayed_work(&spec->hp_work, msecs_to_jiffies(JACK_INTERVAL)); 211 if (hp_connected == spec->hp_connected) 212 return; 213 psc724_set_jack_state(ice, hp_connected); 214} 215 216static void psc724_set_jack_detection(struct snd_ice1712 *ice, bool on) 217{ 218 struct psc724_spec *spec = ice->spec; 219 220 if (spec->jack_detect == on) 221 return; 222 223 spec->jack_detect = on; 224 if (on) { 225 bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK; 226 psc724_set_jack_state(ice, hp_connected); 227 schedule_delayed_work(&spec->hp_work, 228 msecs_to_jiffies(JACK_INTERVAL)); 229 } else 230 cancel_delayed_work_sync(&spec->hp_work); 231} 232 233static bool psc724_get_jack_detection(struct snd_ice1712 *ice) 234{ 235 struct psc724_spec *spec = ice->spec; 236 237 return spec->jack_detect; 238} 239 240/* mixer controls */ 241 242struct psc724_control { 243 const char *name; 244 void (*set)(struct snd_ice1712 *ice, bool on); 245 bool (*get)(struct snd_ice1712 *ice); 246}; 247 248static const struct psc724_control psc724_cont[] = { 249 { 250 .name = "Master Speakers Playback Switch", 251 .set = psc724_set_master_switch, 252 .get = psc724_get_master_switch, 253 }, 254 { 255 .name = "Headphone Jack Detection Playback Switch", 256 .set = psc724_set_jack_detection, 257 .get = psc724_get_jack_detection, 258 }, 259}; 260 261static int psc724_ctl_get(struct snd_kcontrol *kcontrol, 262 struct snd_ctl_elem_value *ucontrol) 263{ 264 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 265 int n = kcontrol->private_value; 266 267 ucontrol->value.integer.value[0] = psc724_cont[n].get(ice); 268 269 return 0; 270} 271 272static int psc724_ctl_put(struct snd_kcontrol *kcontrol, 273 struct snd_ctl_elem_value *ucontrol) 274{ 275 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 276 int n = kcontrol->private_value; 277 278 psc724_cont[n].set(ice, ucontrol->value.integer.value[0]); 279 280 return 0; 281} 282 283static const char *front_volume = "Front Playback Volume"; 284static const char *front_switch = "Front Playback Switch"; 285static const char *front_zc = "Front Zero Cross Detect Playback Switch"; 286static const char *front_izd = "Front Infinite Zero Detect Playback Switch"; 287static const char *front_phase = "Front Phase Invert Playback Switch"; 288static const char *front_deemph = "Front Deemphasis Playback Switch"; 289static const char *ain1_switch = "Line Capture Switch"; 290static const char *ain2_switch = "CD Capture Switch"; 291static const char *ain3_switch = "AUX Capture Switch"; 292static const char *ain4_switch = "Front Mic Capture Switch"; 293static const char *ain5_switch = "Rear Mic Capture Switch"; 294static const char *rear_volume = "Surround Playback Volume"; 295static const char *clfe_volume = "CLFE Playback Volume"; 296static const char *rear_switch = "Surround Playback Switch"; 297static const char *clfe_switch = "CLFE Playback Switch"; 298static const char *rear_phase = "Surround Phase Invert Playback Switch"; 299static const char *clfe_phase = "CLFE Phase Invert Playback Switch"; 300static const char *rear_deemph = "Surround Deemphasis Playback Switch"; 301static const char *clfe_deemph = "CLFE Deemphasis Playback Switch"; 302static const char *rear_clfe_izd = "Rear Infinite Zero Detect Playback Switch"; 303static const char *rear_clfe_zc = "Rear Zero Cross Detect Playback Switch"; 304 305static int psc724_add_controls(struct snd_ice1712 *ice) 306{ 307 struct snd_kcontrol_new cont; 308 struct snd_kcontrol *ctl; 309 int err, i; 310 struct psc724_spec *spec = ice->spec; 311 312 spec->wm8776.ctl[WM8776_CTL_DAC_VOL].name = front_volume; 313 spec->wm8776.ctl[WM8776_CTL_DAC_SW].name = front_switch; 314 spec->wm8776.ctl[WM8776_CTL_DAC_ZC_SW].name = front_zc; 315 spec->wm8776.ctl[WM8776_CTL_AUX_SW].name = NULL; 316 spec->wm8776.ctl[WM8776_CTL_DAC_IZD_SW].name = front_izd; 317 spec->wm8776.ctl[WM8776_CTL_PHASE_SW].name = front_phase; 318 spec->wm8776.ctl[WM8776_CTL_DEEMPH_SW].name = front_deemph; 319 spec->wm8776.ctl[WM8776_CTL_INPUT1_SW].name = ain1_switch; 320 spec->wm8776.ctl[WM8776_CTL_INPUT2_SW].name = ain2_switch; 321 spec->wm8776.ctl[WM8776_CTL_INPUT3_SW].name = ain3_switch; 322 spec->wm8776.ctl[WM8776_CTL_INPUT4_SW].name = ain4_switch; 323 spec->wm8776.ctl[WM8776_CTL_INPUT5_SW].name = ain5_switch; 324 snd_wm8776_build_controls(&spec->wm8776); 325 spec->wm8766.ctl[WM8766_CTL_CH1_VOL].name = rear_volume; 326 spec->wm8766.ctl[WM8766_CTL_CH2_VOL].name = clfe_volume; 327 spec->wm8766.ctl[WM8766_CTL_CH3_VOL].name = NULL; 328 spec->wm8766.ctl[WM8766_CTL_CH1_SW].name = rear_switch; 329 spec->wm8766.ctl[WM8766_CTL_CH2_SW].name = clfe_switch; 330 spec->wm8766.ctl[WM8766_CTL_CH3_SW].name = NULL; 331 spec->wm8766.ctl[WM8766_CTL_PHASE1_SW].name = rear_phase; 332 spec->wm8766.ctl[WM8766_CTL_PHASE2_SW].name = clfe_phase; 333 spec->wm8766.ctl[WM8766_CTL_PHASE3_SW].name = NULL; 334 spec->wm8766.ctl[WM8766_CTL_DEEMPH1_SW].name = rear_deemph; 335 spec->wm8766.ctl[WM8766_CTL_DEEMPH2_SW].name = clfe_deemph; 336 spec->wm8766.ctl[WM8766_CTL_DEEMPH3_SW].name = NULL; 337 spec->wm8766.ctl[WM8766_CTL_IZD_SW].name = rear_clfe_izd; 338 spec->wm8766.ctl[WM8766_CTL_ZC_SW].name = rear_clfe_zc; 339 snd_wm8766_build_controls(&spec->wm8766); 340 341 memset(&cont, 0, sizeof(cont)); 342 cont.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 343 for (i = 0; i < ARRAY_SIZE(psc724_cont); i++) { 344 cont.private_value = i; 345 cont.name = psc724_cont[i].name; 346 cont.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 347 cont.info = snd_ctl_boolean_mono_info; 348 cont.get = psc724_ctl_get; 349 cont.put = psc724_ctl_put; 350 ctl = snd_ctl_new1(&cont, ice); 351 if (!ctl) 352 return -ENOMEM; 353 err = snd_ctl_add(ice->card, ctl); 354 if (err < 0) 355 return err; 356 } 357 358 return 0; 359} 360 361static void psc724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate) 362{ 363 struct psc724_spec *spec = ice->spec; 364 /* restore codec volume settings after rate change (PMCLK stop) */ 365 snd_wm8776_volume_restore(&spec->wm8776); 366 snd_wm8766_volume_restore(&spec->wm8766); 367} 368 369/* power management */ 370 371#ifdef CONFIG_PM_SLEEP 372static int psc724_resume(struct snd_ice1712 *ice) 373{ 374 struct psc724_spec *spec = ice->spec; 375 376 snd_wm8776_resume(&spec->wm8776); 377 snd_wm8766_resume(&spec->wm8766); 378 379 return 0; 380} 381#endif 382 383/* init */ 384 385static int psc724_init(struct snd_ice1712 *ice) 386{ 387 struct psc724_spec *spec; 388 389 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 390 if (!spec) 391 return -ENOMEM; 392 ice->spec = spec; 393 spec->ice = ice; 394 395 ice->num_total_dacs = 6; 396 ice->num_total_adcs = 2; 397 spec->wm8776.ops.write = psc724_wm8776_write; 398 spec->wm8776.card = ice->card; 399 snd_wm8776_init(&spec->wm8776); 400 spec->wm8766.ops.write = psc724_wm8766_write; 401 spec->wm8766.card = ice->card; 402#ifdef CONFIG_PM_SLEEP 403 ice->pm_resume = psc724_resume; 404 ice->pm_suspend_enabled = 1; 405#endif 406 snd_wm8766_init(&spec->wm8766); 407 snd_wm8766_set_if(&spec->wm8766, 408 WM8766_IF_FMT_I2S | WM8766_IF_IWL_24BIT); 409 ice->gpio.set_pro_rate = psc724_set_pro_rate; 410 INIT_DELAYED_WORK(&spec->hp_work, psc724_update_hp_jack_state); 411 psc724_set_jack_detection(ice, true); 412 return 0; 413} 414 415static void psc724_exit(struct snd_ice1712 *ice) 416{ 417 struct psc724_spec *spec = ice->spec; 418 419 cancel_delayed_work_sync(&spec->hp_work); 420} 421 422/* PSC724 has buggy EEPROM (no 96&192kHz, all FFh GPIOs), so override it here */ 423static const unsigned char psc724_eeprom[] = { 424 [ICE_EEP2_SYSCONF] = 0x42, /* 49.152MHz, 1 ADC, 3 DACs */ 425 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 426 [ICE_EEP2_I2S] = 0xf0, /* I2S volume, 96kHz, 24bit */ 427 [ICE_EEP2_SPDIF] = 0xc1, /* spdif out-en, out-int, no input */ 428 /* GPIO outputs */ 429 [ICE_EEP2_GPIO_DIR2] = 0x5f, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */ 430 /* GPIO write enable */ 431 [ICE_EEP2_GPIO_MASK] = 0xff, /* read-only */ 432 [ICE_EEP2_GPIO_MASK1] = 0xff, /* read-only */ 433 [ICE_EEP2_GPIO_MASK2] = 0xa0, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */ 434 /* GPIO initial state */ 435 [ICE_EEP2_GPIO_STATE2] = 0x20, /* unmuted, all WM8766 pins low */ 436}; 437 438struct snd_ice1712_card_info snd_vt1724_psc724_cards[] = { 439 { 440 .subvendor = VT1724_SUBDEVICE_PSC724, 441 .name = "Philips PSC724 Ultimate Edge", 442 .model = "psc724", 443 .chip_init = psc724_init, 444 .chip_exit = psc724_exit, 445 .build_controls = psc724_add_controls, 446 .eeprom_size = sizeof(psc724_eeprom), 447 .eeprom_data = psc724_eeprom, 448 }, 449 {} /*terminator*/ 450}; 451