sound/pci/ice1712/psc724.c

   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
  21 struct 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
 104 static 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
 146 static 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
 155 static 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
 168 static 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
 177 static 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
 203 static 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
 216 static 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
 233 static 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
 242 struct psc724_control {
 243         const char *name;
 244         void (*set)(struct snd_ice1712 *ice, bool on);
 245         bool (*get)(struct snd_ice1712 *ice);
 246 };
 247
 248 static 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
 261 static 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
 272 static 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
 283 static const char *front_volume = "Front Playback Volume";
 284 static const char *front_switch = "Front Playback Switch";
 285 static const char *front_zc     = "Front Zero Cross Detect Playback Switch";
 286 static const char *front_izd    = "Front Infinite Zero Detect Playback Switch";
 287 static const char *front_phase  = "Front Phase Invert Playback Switch";
 288 static const char *front_deemph = "Front Deemphasis Playback Switch";
 289 static const char *ain1_switch  = "Line Capture Switch";
 290 static const char *ain2_switch  = "CD Capture Switch";
 291 static const char *ain3_switch  = "AUX Capture Switch";
 292 static const char *ain4_switch  = "Front Mic Capture Switch";
 293 static const char *ain5_switch  = "Rear Mic Capture Switch";
 294 static const char *rear_volume  = "Surround Playback Volume";
 295 static const char *clfe_volume  = "CLFE Playback Volume";
 296 static const char *rear_switch  = "Surround Playback Switch";
 297 static const char *clfe_switch  = "CLFE Playback Switch";
 298 static const char *rear_phase   = "Surround Phase Invert Playback Switch";
 299 static const char *clfe_phase   = "CLFE Phase Invert Playback Switch";
 300 static const char *rear_deemph  = "Surround Deemphasis Playback Switch";
 301 static const char *clfe_deemph  = "CLFE Deemphasis Playback Switch";
 302 static const char *rear_clfe_izd = "Rear Infinite Zero Detect Playback Switch";
 303 static const char *rear_clfe_zc = "Rear Zero Cross Detect Playback Switch";
 304
 305 static 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
 361 static 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
 372 static 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
 385 static 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
 415 static 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 */
 423 static 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
 438 struct 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 };