summaryrefslogtreecommitdiffstats
path: root/sound/pci/ice1712/psc724.c
blob: 7aa3f92040d04886b56da3bc53782216eac90daa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
// 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 <linux@rainbow-software.org>
 */

#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 {
	struct snd_wm8766 wm8766;
	struct snd_wm8776 wm8776;
	bool mute_all, jack_detect;
	struct snd_ice1712 *ice;
	struct delayed_work hp_work;
	bool hp_connected;
};

/****************************************************************************/
/*  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	(1 << 14)
#define GPIO_MUTE_SUR	(1 << 20)
#define GPIO_MUTE_ALL	(1 << 22)

#define JACK_INTERVAL	1000

#define PSC724_SPI_DELAY 1

#define PSC724_SPI_DATA	(1 << 16)
#define PSC724_SPI_CLK	(1 << 17)
#define PSC724_SPI_LOAD	(1 << 18)
#define PSC724_SPI_MASK	(PSC724_SPI_DATA | PSC724_SPI_CLK | PSC724_SPI_LOAD)

static void psc724_wm8766_write(struct snd_wm8766 *wm, u16 addr, u16 data)
{
	struct psc724_spec *spec = container_of(wm, struct psc724_spec, wm8766);
	struct snd_ice1712 *ice = spec->ice;
	u32 st, bits;
	int i;

	snd_ice1712_save_gpio_status(ice);

	st = ((addr & 0x7f) << 9) | (data & 0x1ff);
	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction | PSC724_SPI_MASK);
	snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask & ~PSC724_SPI_MASK);
	bits = snd_ice1712_gpio_read(ice) & ~PSC724_SPI_MASK;
	snd_ice1712_gpio_write(ice, bits);

	for (i = 0; i < 16; i++) {
		udelay(PSC724_SPI_DELAY);
		bits &= ~PSC724_SPI_CLK;
		/* MSB first */
		st <<= 1;
		if (st & 0x10000)
			bits |= PSC724_SPI_DATA;
		else
			bits &= ~PSC724_SPI_DATA;
		snd_ice1712_gpio_write(ice, bits);
		/* CLOCK high */
		udelay(PSC724_SPI_DELAY);
		bits |= PSC724_SPI_CLK;
		snd_ice1712_gpio_write(ice, bits);
	}
	/* LOAD high */
	udelay(PSC724_SPI_DELAY);
	bits |= PSC724_SPI_LOAD;
	snd_ice1712_gpio_write(ice, bits);
	/* LOAD low, DATA and CLOCK high */
	udelay(PSC724_SPI_DELAY);
	bits |= (PSC724_SPI_DATA | PSC724_SPI_CLK);
	snd_ice1712_gpio_write(ice, bits);

	snd_ice1712_restore_gpio_status(ice);
}

static void psc724_wm8776_write(struct snd_wm8776 *wm, u8 addr, u8 data)
{
	struct psc724_spec *spec = container_of(wm, struct psc724_spec, wm8776);

	snd_vt1724_write_i2c(spec->ice, 0x34, addr, data);
}

/* mute all */

static void psc724_set_master_switch(struct snd_ice1712 *ice, bool on)
{
	unsigned int bits = snd_ice1712_gpio_read(ice);
	struct psc724_spec *spec = ice->spec;

	spec->mute_all = !on;
	if (on)
		bits &= ~(GPIO_MUTE_ALL | GPIO_MUTE_SUR);
	else
		bits |= GPIO_MUTE_ALL | GPIO_MUTE_SUR;
	snd_ice1712_gpio_write(ice, bits);
}

static bool psc724_get_master_switch(struct snd_ice1712 *ice)
{
	struct psc724_spec *spec = ice->spec;

	return !spec->mute_all;
}

/* jack detection */

static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected)
{
	struct psc724_spec *spec = ice->spec;
	struct snd_ctl_elem_id elem_id;
	struct snd_kcontrol *kctl;
	u16 power = spec->wm8776.regs[WM8776_REG_PWRDOWN] & ~WM8776_PWR_HPPD;

	psc724_set_master_switch(ice, !hp_connected);
	if (!hp_connected)
		power |= WM8776_PWR_HPPD;
	snd_wm8776_set_power(&spec->wm8776, power);
	spec->hp_connected = hp_connected;
	/* notify about master speaker mute change */
	memset(&elem_id, 0, sizeof(elem_id));
	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	strlcpy(elem_id.name, "Master Speakers Playback Switch",
						sizeof(elem_id.name));
	kctl = snd_ctl_find_id(ice->card, &elem_id);
	snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
	/* and headphone mute change */
	strlcpy(elem_id.name, spec->wm8776.ctl[WM8776_CTL_HP_SW].name,
						sizeof(elem_id.name));
	kctl = snd_ctl_find_id(ice->card, &elem_id);
	snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
}

static void psc724_update_hp_jack_state(struct work_struct *work)
{
	struct psc724_spec *spec = container_of(work, struct psc724_spec,
						hp_work.work);
	struct snd_ice1712 *ice = spec->ice;
	bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK;

	schedule_delayed_work(&spec->hp_work, msecs_to_jiffies(JACK_INTERVAL));
	if (hp_connected == spec->hp_connected)
		return;
	psc724_set_jack_state(ice, hp_connected);
}

static void psc724_set_jack_detection(struct snd_ice1712 *ice, bool on)
{
	struct psc724_spec *spec = ice->spec;

	if (spec->jack_detect == on)
		return;

	spec->jack_detect = on;
	if (on) {
		bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK;
		psc724_set_jack_state(ice, hp_connected);
		schedule_delayed_work(&spec->hp_work,
					msecs_to_jiffies(JACK_INTERVAL));
	} else
		cancel_delayed_work_sync(&spec->hp_work);
}

static bool psc724_get_jack_detection(struct snd_ice1712 *ice)
{
	struct psc724_spec *spec = ice->spec;

	return spec->jack_detect;
}

/* mixer controls */

struct psc724_control {
	const char *name;
	void (*set)(struct snd_ice1712 *ice, bool on);
	bool (*get)(struct snd_ice1712 *ice);
};

static const struct psc724_control psc724_cont[] = {
	{
		.name = "Master Speakers Playback Switch",
		.set = psc724_set_master_switch,
		.get = psc724_get_master_switch,
	},
	{
		.name = "Headphone Jack Detection Playback Switch",
		.set = psc724_set_jack_detection,
		.get = psc724_get_jack_detection,
	},
};

static int psc724_ctl_get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int n = kcontrol->private_value;

	ucontrol->value.integer.value[0] = psc724_cont[n].get(ice);

	return 0;
}

static int psc724_ctl_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int n = kcontrol->private_value;

	psc724_cont[n].set(ice, ucontrol->value.integer.value[0]);

	return 0;
}

static const char *front_volume	= "Front Playback Volume";
static const char *front_switch	= "Front Playback Switch";
static const char *front_zc	= "Front Zero Cross Detect Playback Switch";
static const char *front_izd	= "Front Infinite Zero Detect Playback Switch";
static const char *front_phase	= "Front Phase Invert Playback Switch";
static const char *front_deemph	= "Front Deemphasis Playback Switch";
static const char *ain1_switch	= "Line Capture Switch";
static const char *ain2_switch	= "CD Capture Switch";
static const char *ain3_switch	= "AUX Capture Switch";
static const char *ain4_switch	= "Front Mic Capture Switch";
static const char *ain5_switch	= "Rear Mic Capture Switch";
static const char *rear_volume	= "Surround Playback Volume";
static const char *clfe_volume	= "CLFE Playback Volume";
static const char *rear_switch	= "Surround Playback Switch";
static const char *clfe_switch	= "CLFE Playback Switch";
static const char *rear_phase	= "Surround Phase Invert Playback Switch";
static const char *clfe_phase	= "CLFE Phase Invert Playback Switch";
static const char *rear_deemph	= "Surround Deemphasis Playback Switch";
static const char *clfe_deemph	= "CLFE Deemphasis Playback Switch";
static const char *rear_clfe_izd = "Rear Infinite Zero Detect Playback Switch";
static const char *rear_clfe_zc	= "Rear Zero Cross Detect Playback Switch";

static int psc724_add_controls(struct snd_ice1712 *ice)
{
	struct snd_kcontrol_new cont;
	struct snd_kcontrol *ctl;
	int err, i;
	struct psc724_spec *spec = ice->spec;

	spec->wm8776.ctl[WM8776_CTL_DAC_VOL].name = front_volume;
	spec->wm8776.ctl[WM8776_CTL_DAC_SW].name = front_switch;
	spec->wm8776.ctl[WM8776_CTL_DAC_ZC_SW].name = front_zc;
	spec->wm8776.ctl[WM8776_CTL_AUX_SW].name = NULL;
	spec->wm8776.ctl[WM8776_CTL_DAC_IZD_SW].name = front_izd;
	spec->wm8776.ctl[WM8776_CTL_PHASE_SW].name = front_phase;
	spec->wm8776.ctl[WM8776_CTL_DEEMPH_SW].name = front_deemph;
	spec->wm8776.ctl[WM8776_CTL_INPUT1_SW].name = ain1_switch;
	spec->wm8776.ctl[WM8776_CTL_INPUT2_SW].name = ain2_switch;
	spec->wm8776.ctl[WM8776_CTL_INPUT3_SW].name = ain3_switch;
	spec->wm8776.ctl[WM8776_CTL_INPUT4_SW].name = ain4_switch;
	spec->wm8776.ctl[WM8776_CTL_INPUT5_SW].name = ain5_switch;
	snd_wm8776_build_controls(&spec->wm8776);
	spec->wm8766.ctl[WM8766_CTL_CH1_VOL].name = rear_volume;
	spec->wm8766.ctl[WM8766_CTL_CH2_VOL].name = clfe_volume;
	spec->wm8766.ctl[WM8766_CTL_CH3_VOL].name = NULL;
	spec->wm8766.ctl[WM8766_CTL_CH1_SW].name = rear_switch;
	spec->wm8766.ctl[WM8766_CTL_CH2_SW].name = clfe_switch;
	spec->wm8766.ctl[WM8766_CTL_CH3_SW].name = NULL;
	spec->wm8766.ctl[WM8766_CTL_PHASE1_SW].name = rear_phase;
	spec->wm8766.ctl[WM8766_CTL_PHASE2_SW].name = clfe_phase;
	spec->wm8766.ctl[WM8766_CTL_PHASE3_SW].name = NULL;
	spec->wm8766.ctl[WM8766_CTL_DEEMPH1_SW].name = rear_deemph;
	spec->wm8766.ctl[WM8766_CTL_DEEMPH2_SW].name = clfe_deemph;
	spec->wm8766.ctl[WM8766_CTL_DEEMPH3_SW].name = NULL;
	spec->wm8766.ctl[WM8766_CTL_IZD_SW].name = rear_clfe_izd;
	spec->wm8766.ctl[WM8766_CTL_ZC_SW].name = rear_clfe_zc;
	snd_wm8766_build_controls(&spec->wm8766);

	memset(&cont, 0, sizeof(cont));
	cont.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	for (i = 0; i < ARRAY_SIZE(psc724_cont); i++) {
		cont.private_value = i;
		cont.name = psc724_cont[i].name;
		cont.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
		cont.info = snd_ctl_boolean_mono_info;
		cont.get = psc724_ctl_get;
		cont.put = psc724_ctl_put;
		ctl = snd_ctl_new1(&cont, ice);
		if (!ctl)
			return -ENOMEM;
		err = snd_ctl_add(ice->card, ctl);
		if (err < 0)
			return err;
	}

	return 0;
}

static void psc724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate)
{
	struct psc724_spec *spec = ice->spec;
	/* restore codec volume settings after rate change (PMCLK stop) */
	snd_wm8776_volume_restore(&spec->wm8776);
	snd_wm8766_volume_restore(&spec->wm8766);
}

/* power management */

#ifdef CONFIG_PM_SLEEP
static int psc724_resume(struct snd_ice1712 *ice)
{
	struct psc724_spec *spec = ice->spec;

	snd_wm8776_resume(&spec->wm8776);
	snd_wm8766_resume(&spec->wm8766);

	return 0;
}
#endif

/* init */

static int psc724_init(struct snd_ice1712 *ice)
{
	struct psc724_spec *spec;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (!spec)
		return -ENOMEM;
	ice->spec = spec;
	spec->ice = ice;

	ice->num_total_dacs = 6;
	ice->num_total_adcs = 2;
	spec->wm8776.ops.write = psc724_wm8776_write;
	spec->wm8776.card = ice->card;
	snd_wm8776_init(&spec->wm8776);
	spec->wm8766.ops.write = psc724_wm8766_write;
	spec->wm8766.card = ice->card;
#ifdef CONFIG_PM_SLEEP
	ice->pm_resume = psc724_resume;
	ice->pm_suspend_enabled = 1;
#endif
	snd_wm8766_init(&spec->wm8766);
	snd_wm8766_set_if(&spec->wm8766,
			WM8766_IF_FMT_I2S | WM8766_IF_IWL_24BIT);
	ice->gpio.set_pro_rate = psc724_set_pro_rate;
	INIT_DELAYED_WORK(&spec->hp_work, psc724_update_hp_jack_state);
	psc724_set_jack_detection(ice, true);
	return 0;
}

static void psc724_exit(struct snd_ice1712 *ice)
{
	struct psc724_spec *spec = ice->spec;

	cancel_delayed_work_sync(&spec->hp_work);
}

/* PSC724 has buggy EEPROM (no 96&192kHz, all FFh GPIOs), so override it here */
static const unsigned char psc724_eeprom[] = {
	[ICE_EEP2_SYSCONF]	= 0x42,	/* 49.152MHz, 1 ADC, 3 DACs */
	[ICE_EEP2_ACLINK]	= 0x80,	/* I2S */
	[ICE_EEP2_I2S]		= 0xf0,	/* I2S volume, 96kHz, 24bit */
	[ICE_EEP2_SPDIF]	= 0xc1,	/* spdif out-en, out-int, no input */
	/* GPIO outputs */
	[ICE_EEP2_GPIO_DIR2]	= 0x5f, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */
	/* GPIO write enable */
	[ICE_EEP2_GPIO_MASK]	= 0xff, /* read-only */
	[ICE_EEP2_GPIO_MASK1]	= 0xff, /* read-only */
	[ICE_EEP2_GPIO_MASK2]	= 0xa0, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */
	/* GPIO initial state */
	[ICE_EEP2_GPIO_STATE2]	= 0x20,	/* unmuted, all WM8766 pins low */
};

struct snd_ice1712_card_info snd_vt1724_psc724_cards[] = {
	{
		.subvendor = VT1724_SUBDEVICE_PSC724,
		.name = "Philips PSC724 Ultimate Edge",
		.model = "psc724",
		.chip_init = psc724_init,
		.chip_exit = psc724_exit,
		.build_controls = psc724_add_controls,
		.eeprom_size = sizeof(psc724_eeprom),
		.eeprom_data = psc724_eeprom,
	},
	{} /*terminator*/
};