1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *   ALSA driver for VT1724 ICEnsemble ICE1724 / VIA VT1724 (Envy24HT)
4 *                   VIA VT1720 (Envy24PT)
5 *
6 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7 *                    2002 James Stafford <jstafford@ampltd.com>
8 *                    2003 Takashi Iwai <tiwai@suse.de>
9 */
10
11#include <linux/delay.h>
12#include <linux/interrupt.h>
13#include <linux/init.h>
14#include <linux/pci.h>
15#include <linux/slab.h>
16#include <linux/module.h>
17#include <linux/mutex.h>
18#include <sound/core.h>
19#include <sound/info.h>
20#include <sound/rawmidi.h>
21#include <sound/initval.h>
22
23#include <sound/asoundef.h>
24
25#include "ice1712.h"
26#include "envy24ht.h"
27
28/* lowlevel routines */
29#include "amp.h"
30#include "revo.h"
31#include "aureon.h"
32#include "vt1720_mobo.h"
33#include "pontis.h"
34#include "prodigy192.h"
35#include "prodigy_hifi.h"
36#include "juli.h"
37#include "maya44.h"
38#include "phase.h"
39#include "wtm.h"
40#include "se.h"
41#include "quartet.h"
42#include "psc724.h"
43
44MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
45MODULE_DESCRIPTION("VIA ICEnsemble ICE1724/1720 (Envy24HT/PT)");
46MODULE_LICENSE("GPL");
47
48static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
49static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
50static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;		/* Enable this card */
51static char *model[SNDRV_CARDS];
52
53module_param_array(index, int, NULL, 0444);
54MODULE_PARM_DESC(index, "Index value for ICE1724 soundcard.");
55module_param_array(id, charp, NULL, 0444);
56MODULE_PARM_DESC(id, "ID string for ICE1724 soundcard.");
57module_param_array(enable, bool, NULL, 0444);
58MODULE_PARM_DESC(enable, "Enable ICE1724 soundcard.");
59module_param_array(model, charp, NULL, 0444);
60MODULE_PARM_DESC(model, "Use the given board model.");
61
62
63/* Both VT1720 and VT1724 have the same PCI IDs */
64static const struct pci_device_id snd_vt1724_ids[] = {
65	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 },
66	{ 0, }
67};
68
69MODULE_DEVICE_TABLE(pci, snd_vt1724_ids);
70
71
72static int PRO_RATE_LOCKED;
73static int PRO_RATE_RESET = 1;
74static unsigned int PRO_RATE_DEFAULT = 44100;
75
76static const char * const ext_clock_names[1] = { "IEC958 In" };
77
78/*
79 *  Basic I/O
80 */
81
82/*
83 *  default rates, default clock routines
84 */
85
86/* check whether the clock mode is spdif-in */
87static inline int stdclock_is_spdif_master(struct snd_ice1712 *ice)
88{
89	return (inb(ICEMT1724(ice, RATE)) & VT1724_SPDIF_MASTER) ? 1 : 0;
90}
91
92/*
93 * locking rate makes sense only for internal clock mode
94 */
95static inline int is_pro_rate_locked(struct snd_ice1712 *ice)
96{
97	return (!ice->is_spdif_master(ice)) && PRO_RATE_LOCKED;
98}
99
100/*
101 * ac97 section
102 */
103
104static unsigned char snd_vt1724_ac97_ready(struct snd_ice1712 *ice)
105{
106	unsigned char old_cmd;
107	int tm;
108	for (tm = 0; tm < 0x10000; tm++) {
109		old_cmd = inb(ICEMT1724(ice, AC97_CMD));
110		if (old_cmd & (VT1724_AC97_WRITE | VT1724_AC97_READ))
111			continue;
112		if (!(old_cmd & VT1724_AC97_READY))
113			continue;
114		return old_cmd;
115	}
116	dev_dbg(ice->card->dev, "snd_vt1724_ac97_ready: timeout\n");
117	return old_cmd;
118}
119
120static int snd_vt1724_ac97_wait_bit(struct snd_ice1712 *ice, unsigned char bit)
121{
122	int tm;
123	for (tm = 0; tm < 0x10000; tm++)
124		if ((inb(ICEMT1724(ice, AC97_CMD)) & bit) == 0)
125			return 0;
126	dev_dbg(ice->card->dev, "snd_vt1724_ac97_wait_bit: timeout\n");
127	return -EIO;
128}
129
130static void snd_vt1724_ac97_write(struct snd_ac97 *ac97,
131				  unsigned short reg,
132				  unsigned short val)
133{
134	struct snd_ice1712 *ice = ac97->private_data;
135	unsigned char old_cmd;
136
137	old_cmd = snd_vt1724_ac97_ready(ice);
138	old_cmd &= ~VT1724_AC97_ID_MASK;
139	old_cmd |= ac97->num;
140	outb(reg, ICEMT1724(ice, AC97_INDEX));
141	outw(val, ICEMT1724(ice, AC97_DATA));
142	outb(old_cmd | VT1724_AC97_WRITE, ICEMT1724(ice, AC97_CMD));
143	snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_WRITE);
144}
145
146static unsigned short snd_vt1724_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
147{
148	struct snd_ice1712 *ice = ac97->private_data;
149	unsigned char old_cmd;
150
151	old_cmd = snd_vt1724_ac97_ready(ice);
152	old_cmd &= ~VT1724_AC97_ID_MASK;
153	old_cmd |= ac97->num;
154	outb(reg, ICEMT1724(ice, AC97_INDEX));
155	outb(old_cmd | VT1724_AC97_READ, ICEMT1724(ice, AC97_CMD));
156	if (snd_vt1724_ac97_wait_bit(ice, VT1724_AC97_READ) < 0)
157		return ~0;
158	return inw(ICEMT1724(ice, AC97_DATA));
159}
160
161
162/*
163 * GPIO operations
164 */
165
166/* set gpio direction 0 = read, 1 = write */
167static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
168{
169	outl(data, ICEREG1724(ice, GPIO_DIRECTION));
170	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
171}
172
173/* get gpio direction 0 = read, 1 = write */
174static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
175{
176	return inl(ICEREG1724(ice, GPIO_DIRECTION));
177}
178
179/* set the gpio mask (0 = writable) */
180static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
181{
182	outw(data, ICEREG1724(ice, GPIO_WRITE_MASK));
183	if (!ice->vt1720) /* VT1720 supports only 16 GPIO bits */
184		outb((data >> 16) & 0xff, ICEREG1724(ice, GPIO_WRITE_MASK_22));
185	inw(ICEREG1724(ice, GPIO_WRITE_MASK)); /* dummy read for pci-posting */
186}
187
188static unsigned int snd_vt1724_get_gpio_mask(struct snd_ice1712 *ice)
189{
190	unsigned int mask;
191	if (!ice->vt1720)
192		mask = (unsigned int)inb(ICEREG1724(ice, GPIO_WRITE_MASK_22));
193	else
194		mask = 0;
195	mask = (mask << 16) | inw(ICEREG1724(ice, GPIO_WRITE_MASK));
196	return mask;
197}
198
199static void snd_vt1724_set_gpio_data(struct snd_ice1712 *ice, unsigned int data)
200{
201	outw(data, ICEREG1724(ice, GPIO_DATA));
202	if (!ice->vt1720)
203		outb(data >> 16, ICEREG1724(ice, GPIO_DATA_22));
204	inw(ICEREG1724(ice, GPIO_DATA)); /* dummy read for pci-posting */
205}
206
207static unsigned int snd_vt1724_get_gpio_data(struct snd_ice1712 *ice)
208{
209	unsigned int data;
210	if (!ice->vt1720)
211		data = (unsigned int)inb(ICEREG1724(ice, GPIO_DATA_22));
212	else
213		data = 0;
214	data = (data << 16) | inw(ICEREG1724(ice, GPIO_DATA));
215	return data;
216}
217
218/*
219 * MIDI
220 */
221
222static void vt1724_midi_clear_rx(struct snd_ice1712 *ice)
223{
224	unsigned int count;
225
226	for (count = inb(ICEREG1724(ice, MPU_RXFIFO)); count > 0; --count)
227		inb(ICEREG1724(ice, MPU_DATA));
228}
229
230static inline struct snd_rawmidi_substream *
231get_rawmidi_substream(struct snd_ice1712 *ice, unsigned int stream)
232{
233	return list_first_entry(&ice->rmidi[0]->streams[stream].substreams,
234				struct snd_rawmidi_substream, list);
235}
236
237static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable);
238
239static void vt1724_midi_write(struct snd_ice1712 *ice)
240{
241	struct snd_rawmidi_substream *s;
242	int count, i;
243	u8 buffer[32];
244
245	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_OUTPUT);
246	count = 31 - inb(ICEREG1724(ice, MPU_TXFIFO));
247	if (count > 0) {
248		count = snd_rawmidi_transmit(s, buffer, count);
249		for (i = 0; i < count; ++i)
250			outb(buffer[i], ICEREG1724(ice, MPU_DATA));
251	}
252	/* mask irq when all bytes have been transmitted.
253	 * enabled again in output_trigger when the new data comes in.
254	 */
255	enable_midi_irq(ice, VT1724_IRQ_MPU_TX,
256			!snd_rawmidi_transmit_empty(s));
257}
258
259static void vt1724_midi_read(struct snd_ice1712 *ice)
260{
261	struct snd_rawmidi_substream *s;
262	int count, i;
263	u8 buffer[32];
264
265	s = get_rawmidi_substream(ice, SNDRV_RAWMIDI_STREAM_INPUT);
266	count = inb(ICEREG1724(ice, MPU_RXFIFO));
267	if (count > 0) {
268		count = min(count, 32);
269		for (i = 0; i < count; ++i)
270			buffer[i] = inb(ICEREG1724(ice, MPU_DATA));
271		snd_rawmidi_receive(s, buffer, count);
272	}
273}
274
275/* call with ice->reg_lock */
276static void enable_midi_irq(struct snd_ice1712 *ice, u8 flag, int enable)
277{
278	u8 mask = inb(ICEREG1724(ice, IRQMASK));
279	if (enable)
280		mask &= ~flag;
281	else
282		mask |= flag;
283	outb(mask, ICEREG1724(ice, IRQMASK));
284}
285
286static void vt1724_enable_midi_irq(struct snd_rawmidi_substream *substream,
287				   u8 flag, int enable)
288{
289	struct snd_ice1712 *ice = substream->rmidi->private_data;
290
291	spin_lock_irq(&ice->reg_lock);
292	enable_midi_irq(ice, flag, enable);
293	spin_unlock_irq(&ice->reg_lock);
294}
295
296static int vt1724_midi_output_open(struct snd_rawmidi_substream *s)
297{
298	return 0;
299}
300
301static int vt1724_midi_output_close(struct snd_rawmidi_substream *s)
302{
303	return 0;
304}
305
306static void vt1724_midi_output_trigger(struct snd_rawmidi_substream *s, int up)
307{
308	struct snd_ice1712 *ice = s->rmidi->private_data;
309	unsigned long flags;
310
311	spin_lock_irqsave(&ice->reg_lock, flags);
312	if (up) {
313		ice->midi_output = 1;
314		vt1724_midi_write(ice);
315	} else {
316		ice->midi_output = 0;
317		enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
318	}
319	spin_unlock_irqrestore(&ice->reg_lock, flags);
320}
321
322static void vt1724_midi_output_drain(struct snd_rawmidi_substream *s)
323{
324	struct snd_ice1712 *ice = s->rmidi->private_data;
325	unsigned long timeout;
326
327	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_TX, 0);
328	/* 32 bytes should be transmitted in less than about 12 ms */
329	timeout = jiffies + msecs_to_jiffies(15);
330	do {
331		if (inb(ICEREG1724(ice, MPU_CTRL)) & VT1724_MPU_TX_EMPTY)
332			break;
333		schedule_timeout_uninterruptible(1);
334	} while (time_after(timeout, jiffies));
335}
336
337static const struct snd_rawmidi_ops vt1724_midi_output_ops = {
338	.open = vt1724_midi_output_open,
339	.close = vt1724_midi_output_close,
340	.trigger = vt1724_midi_output_trigger,
341	.drain = vt1724_midi_output_drain,
342};
343
344static int vt1724_midi_input_open(struct snd_rawmidi_substream *s)
345{
346	vt1724_midi_clear_rx(s->rmidi->private_data);
347	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 1);
348	return 0;
349}
350
351static int vt1724_midi_input_close(struct snd_rawmidi_substream *s)
352{
353	vt1724_enable_midi_irq(s, VT1724_IRQ_MPU_RX, 0);
354	return 0;
355}
356
357static void vt1724_midi_input_trigger(struct snd_rawmidi_substream *s, int up)
358{
359	struct snd_ice1712 *ice = s->rmidi->private_data;
360	unsigned long flags;
361
362	spin_lock_irqsave(&ice->reg_lock, flags);
363	if (up) {
364		ice->midi_input = 1;
365		vt1724_midi_read(ice);
366	} else {
367		ice->midi_input = 0;
368	}
369	spin_unlock_irqrestore(&ice->reg_lock, flags);
370}
371
372static const struct snd_rawmidi_ops vt1724_midi_input_ops = {
373	.open = vt1724_midi_input_open,
374	.close = vt1724_midi_input_close,
375	.trigger = vt1724_midi_input_trigger,
376};
377
378
379/*
380 *  Interrupt handler
381 */
382
383static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
384{
385	struct snd_ice1712 *ice = dev_id;
386	unsigned char status;
387	unsigned char status_mask =
388		VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX | VT1724_IRQ_MTPCM;
389	int handled = 0;
390	int timeout = 0;
391
392	while (1) {
393		status = inb(ICEREG1724(ice, IRQSTAT));
394		status &= status_mask;
395		if (status == 0)
396			break;
397		spin_lock(&ice->reg_lock);
398		if (++timeout > 10) {
399			status = inb(ICEREG1724(ice, IRQSTAT));
400			dev_err(ice->card->dev,
401				"Too long irq loop, status = 0x%x\n", status);
402			if (status & VT1724_IRQ_MPU_TX) {
403				dev_err(ice->card->dev, "Disabling MPU_TX\n");
404				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
405			}
406			spin_unlock(&ice->reg_lock);
407			break;
408		}
409		handled = 1;
410		if (status & VT1724_IRQ_MPU_TX) {
411			if (ice->midi_output)
412				vt1724_midi_write(ice);
413			else
414				enable_midi_irq(ice, VT1724_IRQ_MPU_TX, 0);
415			/* Due to mysterical reasons, MPU_TX is always
416			 * generated (and can't be cleared) when a PCM
417			 * playback is going.  So let's ignore at the
418			 * next loop.
419			 */
420			status_mask &= ~VT1724_IRQ_MPU_TX;
421		}
422		if (status & VT1724_IRQ_MPU_RX) {
423			if (ice->midi_input)
424				vt1724_midi_read(ice);
425			else
426				vt1724_midi_clear_rx(ice);
427		}
428		/* ack MPU irq */
429		outb(status, ICEREG1724(ice, IRQSTAT));
430		spin_unlock(&ice->reg_lock);
431		if (status & VT1724_IRQ_MTPCM) {
432			/*
433			 * Multi-track PCM
434			 * PCM assignment are:
435			 * Playback DMA0 (M/C) = playback_pro_substream
436			 * Playback DMA1 = playback_con_substream_ds[0]
437			 * Playback DMA2 = playback_con_substream_ds[1]
438			 * Playback DMA3 = playback_con_substream_ds[2]
439			 * Playback DMA4 (SPDIF) = playback_con_substream
440			 * Record DMA0 = capture_pro_substream
441			 * Record DMA1 = capture_con_substream
442			 */
443			unsigned char mtstat = inb(ICEMT1724(ice, IRQ));
444			if (mtstat & VT1724_MULTI_PDMA0) {
445				if (ice->playback_pro_substream)
446					snd_pcm_period_elapsed(ice->playback_pro_substream);
447			}
448			if (mtstat & VT1724_MULTI_RDMA0) {
449				if (ice->capture_pro_substream)
450					snd_pcm_period_elapsed(ice->capture_pro_substream);
451			}
452			if (mtstat & VT1724_MULTI_PDMA1) {
453				if (ice->playback_con_substream_ds[0])
454					snd_pcm_period_elapsed(ice->playback_con_substream_ds[0]);
455			}
456			if (mtstat & VT1724_MULTI_PDMA2) {
457				if (ice->playback_con_substream_ds[1])
458					snd_pcm_period_elapsed(ice->playback_con_substream_ds[1]);
459			}
460			if (mtstat & VT1724_MULTI_PDMA3) {
461				if (ice->playback_con_substream_ds[2])
462					snd_pcm_period_elapsed(ice->playback_con_substream_ds[2]);
463			}
464			if (mtstat & VT1724_MULTI_PDMA4) {
465				if (ice->playback_con_substream)
466					snd_pcm_period_elapsed(ice->playback_con_substream);
467			}
468			if (mtstat & VT1724_MULTI_RDMA1) {
469				if (ice->capture_con_substream)
470					snd_pcm_period_elapsed(ice->capture_con_substream);
471			}
472			/* ack anyway to avoid freeze */
473			outb(mtstat, ICEMT1724(ice, IRQ));
474			/* ought to really handle this properly */
475			if (mtstat & VT1724_MULTI_FIFO_ERR) {
476				unsigned char fstat = inb(ICEMT1724(ice, DMA_FIFO_ERR));
477				outb(fstat, ICEMT1724(ice, DMA_FIFO_ERR));
478				outb(VT1724_MULTI_FIFO_ERR | inb(ICEMT1724(ice, DMA_INT_MASK)), ICEMT1724(ice, DMA_INT_MASK));
479				/* If I don't do this, I get machine lockup due to continual interrupts */
480			}
481
482		}
483	}
484	return IRQ_RETVAL(handled);
485}
486
487/*
488 *  PCM code - professional part (multitrack)
489 */
490
491static const unsigned int rates[] = {
492	8000, 9600, 11025, 12000, 16000, 22050, 24000,
493	32000, 44100, 48000, 64000, 88200, 96000,
494	176400, 192000,
495};
496
497static const struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
498	.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
499	.list = rates,
500	.mask = 0,
501};
502
503static const struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
504	.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
505	.list = rates,
506	.mask = 0,
507};
508
509static const struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
510	.count = ARRAY_SIZE(rates),
511	.list = rates,
512	.mask = 0,
513};
514
515struct vt1724_pcm_reg {
516	unsigned int addr;	/* ADDR register offset */
517	unsigned int size;	/* SIZE register offset */
518	unsigned int count;	/* COUNT register offset */
519	unsigned int start;	/* start & pause bit */
520};
521
522static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
523{
524	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
525	unsigned char what;
526	unsigned char old;
527	struct snd_pcm_substream *s;
528
529	what = 0;
530	snd_pcm_group_for_each_entry(s, substream) {
531		if (snd_pcm_substream_chip(s) == ice) {
532			const struct vt1724_pcm_reg *reg;
533			reg = s->runtime->private_data;
534			what |= reg->start;
535			snd_pcm_trigger_done(s, substream);
536		}
537	}
538
539	switch (cmd) {
540	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
541	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
542		spin_lock(&ice->reg_lock);
543		old = inb(ICEMT1724(ice, DMA_PAUSE));
544		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
545			old |= what;
546		else
547			old &= ~what;
548		outb(old, ICEMT1724(ice, DMA_PAUSE));
549		spin_unlock(&ice->reg_lock);
550		break;
551
552	case SNDRV_PCM_TRIGGER_START:
553	case SNDRV_PCM_TRIGGER_STOP:
554	case SNDRV_PCM_TRIGGER_SUSPEND:
555		spin_lock(&ice->reg_lock);
556		old = inb(ICEMT1724(ice, DMA_CONTROL));
557		if (cmd == SNDRV_PCM_TRIGGER_START)
558			old |= what;
559		else
560			old &= ~what;
561		outb(old, ICEMT1724(ice, DMA_CONTROL));
562		spin_unlock(&ice->reg_lock);
563		break;
564
565	case SNDRV_PCM_TRIGGER_RESUME:
566		/* apps will have to restart stream */
567		break;
568
569	default:
570		return -EINVAL;
571	}
572	return 0;
573}
574
575/*
576 */
577
578#define DMA_STARTS	(VT1724_RDMA0_START|VT1724_PDMA0_START|VT1724_RDMA1_START|\
579	VT1724_PDMA1_START|VT1724_PDMA2_START|VT1724_PDMA3_START|VT1724_PDMA4_START)
580#define DMA_PAUSES	(VT1724_RDMA0_PAUSE|VT1724_PDMA0_PAUSE|VT1724_RDMA1_PAUSE|\
581	VT1724_PDMA1_PAUSE|VT1724_PDMA2_PAUSE|VT1724_PDMA3_PAUSE|VT1724_PDMA4_PAUSE)
582
583static const unsigned int stdclock_rate_list[16] = {
584	48000, 24000, 12000, 9600, 32000, 16000, 8000, 96000, 44100,
585	22050, 11025, 88200, 176400, 0, 192000, 64000
586};
587
588static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
589{
590	return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
591}
592
593static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)
594{
595	int i;
596	for (i = 0; i < ARRAY_SIZE(stdclock_rate_list); i++) {
597		if (stdclock_rate_list[i] == rate) {
598			outb(i, ICEMT1724(ice, RATE));
599			return;
600		}
601	}
602}
603
604static unsigned char stdclock_set_mclk(struct snd_ice1712 *ice,
605				       unsigned int rate)
606{
607	unsigned char val, old;
608	/* check MT02 */
609	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
610		val = old = inb(ICEMT1724(ice, I2S_FORMAT));
611		if (rate > 96000)
612			val |= VT1724_MT_I2S_MCLK_128X; /* 128x MCLK */
613		else
614			val &= ~VT1724_MT_I2S_MCLK_128X; /* 256x MCLK */
615		if (val != old) {
616			outb(val, ICEMT1724(ice, I2S_FORMAT));
617			/* master clock changed */
618			return 1;
619		}
620	}
621	/* no change in master clock */
622	return 0;
623}
624
625static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
626				    int force)
627{
628	unsigned long flags;
629	unsigned char mclk_change;
630	unsigned int i, old_rate;
631	bool call_set_rate = false;
632
633	if (rate > ice->hw_rates->list[ice->hw_rates->count - 1])
634		return -EINVAL;
635
636	spin_lock_irqsave(&ice->reg_lock, flags);
637	if ((inb(ICEMT1724(ice, DMA_CONTROL)) & DMA_STARTS) ||
638	    (inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
639		/* running? we cannot change the rate now... */
640		spin_unlock_irqrestore(&ice->reg_lock, flags);
641		return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
642	}
643	if (!force && is_pro_rate_locked(ice)) {
644		/* comparing required and current rate - makes sense for
645		 * internal clock only */
646		spin_unlock_irqrestore(&ice->reg_lock, flags);
647		return (rate == ice->cur_rate) ? 0 : -EBUSY;
648	}
649
650	if (force || !ice->is_spdif_master(ice)) {
651		/* force means the rate was switched by ucontrol, otherwise
652		 * setting clock rate for internal clock mode */
653		old_rate = ice->get_rate(ice);
654		if (force || (old_rate != rate))
655			call_set_rate = true;
656		else if (rate == ice->cur_rate) {
657			spin_unlock_irqrestore(&ice->reg_lock, flags);
658			return 0;
659		}
660	}
661
662	ice->cur_rate = rate;
663	spin_unlock_irqrestore(&ice->reg_lock, flags);
664
665	if (call_set_rate)
666		ice->set_rate(ice, rate);
667
668	/* setting master clock */
669	mclk_change = ice->set_mclk(ice, rate);
670
671	if (mclk_change && ice->gpio.i2s_mclk_changed)
672		ice->gpio.i2s_mclk_changed(ice);
673	if (ice->gpio.set_pro_rate)
674		ice->gpio.set_pro_rate(ice, rate);
675
676	/* set up codecs */
677	for (i = 0; i < ice->akm_codecs; i++) {
678		if (ice->akm[i].ops.set_rate_val)
679			ice->akm[i].ops.set_rate_val(&ice->akm[i], rate);
680	}
681	if (ice->spdif.ops.setup_rate)
682		ice->spdif.ops.setup_rate(ice, rate);
683
684	return 0;
685}
686
687static int snd_vt1724_pcm_hw_params(struct snd_pcm_substream *substream,
688				    struct snd_pcm_hw_params *hw_params)
689{
690	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
691	int i, chs;
692
693	chs = params_channels(hw_params);
694	mutex_lock(&ice->open_mutex);
695	/* mark surround channels */
696	if (substream == ice->playback_pro_substream) {
697		/* PDMA0 can be multi-channel up to 8 */
698		chs = chs / 2 - 1;
699		for (i = 0; i < chs; i++) {
700			if (ice->pcm_reserved[i] &&
701			    ice->pcm_reserved[i] != substream) {
702				mutex_unlock(&ice->open_mutex);
703				return -EBUSY;
704			}
705			ice->pcm_reserved[i] = substream;
706		}
707		for (; i < 3; i++) {
708			if (ice->pcm_reserved[i] == substream)
709				ice->pcm_reserved[i] = NULL;
710		}
711	} else {
712		for (i = 0; i < 3; i++) {
713			/* check individual playback stream */
714			if (ice->playback_con_substream_ds[i] == substream) {
715				if (ice->pcm_reserved[i] &&
716				    ice->pcm_reserved[i] != substream) {
717					mutex_unlock(&ice->open_mutex);
718					return -EBUSY;
719				}
720				ice->pcm_reserved[i] = substream;
721				break;
722			}
723		}
724	}
725	mutex_unlock(&ice->open_mutex);
726
727	return snd_vt1724_set_pro_rate(ice, params_rate(hw_params), 0);
728}
729
730static int snd_vt1724_pcm_hw_free(struct snd_pcm_substream *substream)
731{
732	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
733	int i;
734
735	mutex_lock(&ice->open_mutex);
736	/* unmark surround channels */
737	for (i = 0; i < 3; i++)
738		if (ice->pcm_reserved[i] == substream)
739			ice->pcm_reserved[i] = NULL;
740	mutex_unlock(&ice->open_mutex);
741	return 0;
742}
743
744static int snd_vt1724_playback_pro_prepare(struct snd_pcm_substream *substream)
745{
746	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
747	unsigned char val;
748	unsigned int size;
749
750	spin_lock_irq(&ice->reg_lock);
751	val = (8 - substream->runtime->channels) >> 1;
752	outb(val, ICEMT1724(ice, BURST));
753
754	outl(substream->runtime->dma_addr, ICEMT1724(ice, PLAYBACK_ADDR));
755
756	size = (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1;
757	/* outl(size, ICEMT1724(ice, PLAYBACK_SIZE)); */
758	outw(size, ICEMT1724(ice, PLAYBACK_SIZE));
759	outb(size >> 16, ICEMT1724(ice, PLAYBACK_SIZE) + 2);
760	size = (snd_pcm_lib_period_bytes(substream) >> 2) - 1;
761	/* outl(size, ICEMT1724(ice, PLAYBACK_COUNT)); */
762	outw(size, ICEMT1724(ice, PLAYBACK_COUNT));
763	outb(size >> 16, ICEMT1724(ice, PLAYBACK_COUNT) + 2);
764
765	spin_unlock_irq(&ice->reg_lock);
766
767	/*
768	dev_dbg(ice->card->dev, "pro prepare: ch = %d, addr = 0x%x, "
769	       "buffer = 0x%x, period = 0x%x\n",
770	       substream->runtime->channels,
771	       (unsigned int)substream->runtime->dma_addr,
772	       snd_pcm_lib_buffer_bytes(substream),
773	       snd_pcm_lib_period_bytes(substream));
774	*/
775	return 0;
776}
777
778static snd_pcm_uframes_t snd_vt1724_playback_pro_pointer(struct snd_pcm_substream *substream)
779{
780	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
781	size_t ptr;
782
783	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & VT1724_PDMA0_START))
784		return 0;
785#if 0 /* read PLAYBACK_ADDR */
786	ptr = inl(ICEMT1724(ice, PLAYBACK_ADDR));
787	if (ptr < substream->runtime->dma_addr) {
788		dev_dbg(ice->card->dev, "invalid negative ptr\n");
789		return 0;
790	}
791	ptr -= substream->runtime->dma_addr;
792	ptr = bytes_to_frames(substream->runtime, ptr);
793	if (ptr >= substream->runtime->buffer_size) {
794		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
795			   (int)ptr, (int)substream->runtime->period_size);
796		return 0;
797	}
798#else /* read PLAYBACK_SIZE */
799	ptr = inl(ICEMT1724(ice, PLAYBACK_SIZE)) & 0xffffff;
800	ptr = (ptr + 1) << 2;
801	ptr = bytes_to_frames(substream->runtime, ptr);
802	if (!ptr)
803		;
804	else if (ptr <= substream->runtime->buffer_size)
805		ptr = substream->runtime->buffer_size - ptr;
806	else {
807		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
808			   (int)ptr, (int)substream->runtime->buffer_size);
809		ptr = 0;
810	}
811#endif
812	return ptr;
813}
814
815static int snd_vt1724_pcm_prepare(struct snd_pcm_substream *substream)
816{
817	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
818	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
819
820	spin_lock_irq(&ice->reg_lock);
821	outl(substream->runtime->dma_addr, ice->profi_port + reg->addr);
822	outw((snd_pcm_lib_buffer_bytes(substream) >> 2) - 1,
823	     ice->profi_port + reg->size);
824	outw((snd_pcm_lib_period_bytes(substream) >> 2) - 1,
825	     ice->profi_port + reg->count);
826	spin_unlock_irq(&ice->reg_lock);
827	return 0;
828}
829
830static snd_pcm_uframes_t snd_vt1724_pcm_pointer(struct snd_pcm_substream *substream)
831{
832	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
833	const struct vt1724_pcm_reg *reg = substream->runtime->private_data;
834	size_t ptr;
835
836	if (!(inl(ICEMT1724(ice, DMA_CONTROL)) & reg->start))
837		return 0;
838#if 0 /* use ADDR register */
839	ptr = inl(ice->profi_port + reg->addr);
840	ptr -= substream->runtime->dma_addr;
841	return bytes_to_frames(substream->runtime, ptr);
842#else /* use SIZE register */
843	ptr = inw(ice->profi_port + reg->size);
844	ptr = (ptr + 1) << 2;
845	ptr = bytes_to_frames(substream->runtime, ptr);
846	if (!ptr)
847		;
848	else if (ptr <= substream->runtime->buffer_size)
849		ptr = substream->runtime->buffer_size - ptr;
850	else {
851		dev_dbg(ice->card->dev, "invalid ptr %d (size=%d)\n",
852			   (int)ptr, (int)substream->runtime->buffer_size);
853		ptr = 0;
854	}
855	return ptr;
856#endif
857}
858
859static const struct vt1724_pcm_reg vt1724_pdma0_reg = {
860	.addr = VT1724_MT_PLAYBACK_ADDR,
861	.size = VT1724_MT_PLAYBACK_SIZE,
862	.count = VT1724_MT_PLAYBACK_COUNT,
863	.start = VT1724_PDMA0_START,
864};
865
866static const struct vt1724_pcm_reg vt1724_pdma4_reg = {
867	.addr = VT1724_MT_PDMA4_ADDR,
868	.size = VT1724_MT_PDMA4_SIZE,
869	.count = VT1724_MT_PDMA4_COUNT,
870	.start = VT1724_PDMA4_START,
871};
872
873static const struct vt1724_pcm_reg vt1724_rdma0_reg = {
874	.addr = VT1724_MT_CAPTURE_ADDR,
875	.size = VT1724_MT_CAPTURE_SIZE,
876	.count = VT1724_MT_CAPTURE_COUNT,
877	.start = VT1724_RDMA0_START,
878};
879
880static const struct vt1724_pcm_reg vt1724_rdma1_reg = {
881	.addr = VT1724_MT_RDMA1_ADDR,
882	.size = VT1724_MT_RDMA1_SIZE,
883	.count = VT1724_MT_RDMA1_COUNT,
884	.start = VT1724_RDMA1_START,
885};
886
887#define vt1724_playback_pro_reg vt1724_pdma0_reg
888#define vt1724_playback_spdif_reg vt1724_pdma4_reg
889#define vt1724_capture_pro_reg vt1724_rdma0_reg
890#define vt1724_capture_spdif_reg vt1724_rdma1_reg
891
892static const struct snd_pcm_hardware snd_vt1724_playback_pro = {
893	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
894				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
895				 SNDRV_PCM_INFO_MMAP_VALID |
896				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
897	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
898	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
899	.rate_min =		8000,
900	.rate_max =		192000,
901	.channels_min =		2,
902	.channels_max =		8,
903	.buffer_bytes_max =	(1UL << 21),	/* 19bits dword */
904	.period_bytes_min =	8 * 4 * 2,	/* FIXME: constraints needed */
905	.period_bytes_max =	(1UL << 21),
906	.periods_min =		2,
907	.periods_max =		1024,
908};
909
910static const struct snd_pcm_hardware snd_vt1724_spdif = {
911	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
912				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
913				 SNDRV_PCM_INFO_MMAP_VALID |
914				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
915	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
916	.rates =	        (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
917				 SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
918				 SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
919				 SNDRV_PCM_RATE_192000),
920	.rate_min =		32000,
921	.rate_max =		192000,
922	.channels_min =		2,
923	.channels_max =		2,
924	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
925	.period_bytes_min =	2 * 4 * 2,
926	.period_bytes_max =	(1UL << 18),
927	.periods_min =		2,
928	.periods_max =		1024,
929};
930
931static const struct snd_pcm_hardware snd_vt1724_2ch_stereo = {
932	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
933				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
934				 SNDRV_PCM_INFO_MMAP_VALID |
935				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
936	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
937	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_192000,
938	.rate_min =		8000,
939	.rate_max =		192000,
940	.channels_min =		2,
941	.channels_max =		2,
942	.buffer_bytes_max =	(1UL << 18),	/* 16bits dword */
943	.period_bytes_min =	2 * 4 * 2,
944	.period_bytes_max =	(1UL << 18),
945	.periods_min =		2,
946	.periods_max =		1024,
947};
948
949/*
950 * set rate constraints
951 */
952static void set_std_hw_rates(struct snd_ice1712 *ice)
953{
954	if (ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S) {
955		/* I2S */
956		/* VT1720 doesn't support more than 96kHz */
957		if ((ice->eeprom.data[ICE_EEP2_I2S] & 0x08) && !ice->vt1720)
958			ice->hw_rates = &hw_constraints_rates_192;
959		else
960			ice->hw_rates = &hw_constraints_rates_96;
961	} else {
962		/* ACLINK */
963		ice->hw_rates = &hw_constraints_rates_48;
964	}
965}
966
967static int set_rate_constraints(struct snd_ice1712 *ice,
968				struct snd_pcm_substream *substream)
969{
970	struct snd_pcm_runtime *runtime = substream->runtime;
971
972	runtime->hw.rate_min = ice->hw_rates->list[0];
973	runtime->hw.rate_max = ice->hw_rates->list[ice->hw_rates->count - 1];
974	runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
975	return snd_pcm_hw_constraint_list(runtime, 0,
976					  SNDRV_PCM_HW_PARAM_RATE,
977					  ice->hw_rates);
978}
979
980/* if the card has the internal rate locked (is_pro_locked), limit runtime
981   hw rates to the current internal rate only.
982*/
983static void constrain_rate_if_locked(struct snd_pcm_substream *substream)
984{
985	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
986	struct snd_pcm_runtime *runtime = substream->runtime;
987	unsigned int rate;
988	if (is_pro_rate_locked(ice)) {
989		rate = ice->get_rate(ice);
990		if (rate >= runtime->hw.rate_min
991		    && rate <= runtime->hw.rate_max) {
992			runtime->hw.rate_min = rate;
993			runtime->hw.rate_max = rate;
994		}
995	}
996}
997
998
999/* multi-channel playback needs alignment 8x32bit regardless of the channels
1000 * actually used
1001 */
1002#define VT1724_BUFFER_ALIGN	0x20
1003
1004static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream)
1005{
1006	struct snd_pcm_runtime *runtime = substream->runtime;
1007	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1008	int chs, num_indeps;
1009
1010	runtime->private_data = (void *)&vt1724_playback_pro_reg;
1011	ice->playback_pro_substream = substream;
1012	runtime->hw = snd_vt1724_playback_pro;
1013	snd_pcm_set_sync(substream);
1014	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1015	set_rate_constraints(ice, substream);
1016	mutex_lock(&ice->open_mutex);
1017	/* calculate the currently available channels */
1018	num_indeps = ice->num_total_dacs / 2 - 1;
1019	for (chs = 0; chs < num_indeps; chs++) {
1020		if (ice->pcm_reserved[chs])
1021			break;
1022	}
1023	chs = (chs + 1) * 2;
1024	runtime->hw.channels_max = chs;
1025	if (chs > 2) /* channels must be even */
1026		snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1027	mutex_unlock(&ice->open_mutex);
1028	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1029				   VT1724_BUFFER_ALIGN);
1030	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1031				   VT1724_BUFFER_ALIGN);
1032	constrain_rate_if_locked(substream);
1033	if (ice->pro_open)
1034		ice->pro_open(ice, substream);
1035	return 0;
1036}
1037
1038static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream)
1039{
1040	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1041	struct snd_pcm_runtime *runtime = substream->runtime;
1042
1043	runtime->private_data = (void *)&vt1724_capture_pro_reg;
1044	ice->capture_pro_substream = substream;
1045	runtime->hw = snd_vt1724_2ch_stereo;
1046	snd_pcm_set_sync(substream);
1047	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1048	set_rate_constraints(ice, substream);
1049	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1050				   VT1724_BUFFER_ALIGN);
1051	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1052				   VT1724_BUFFER_ALIGN);
1053	constrain_rate_if_locked(substream);
1054	if (ice->pro_open)
1055		ice->pro_open(ice, substream);
1056	return 0;
1057}
1058
1059static int snd_vt1724_playback_pro_close(struct snd_pcm_substream *substream)
1060{
1061	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1062
1063	if (PRO_RATE_RESET)
1064		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1065	ice->playback_pro_substream = NULL;
1066
1067	return 0;
1068}
1069
1070static int snd_vt1724_capture_pro_close(struct snd_pcm_substream *substream)
1071{
1072	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1073
1074	if (PRO_RATE_RESET)
1075		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1076	ice->capture_pro_substream = NULL;
1077	return 0;
1078}
1079
1080static const struct snd_pcm_ops snd_vt1724_playback_pro_ops = {
1081	.open =		snd_vt1724_playback_pro_open,
1082	.close =	snd_vt1724_playback_pro_close,
1083	.hw_params =	snd_vt1724_pcm_hw_params,
1084	.hw_free =	snd_vt1724_pcm_hw_free,
1085	.prepare =	snd_vt1724_playback_pro_prepare,
1086	.trigger =	snd_vt1724_pcm_trigger,
1087	.pointer =	snd_vt1724_playback_pro_pointer,
1088};
1089
1090static const struct snd_pcm_ops snd_vt1724_capture_pro_ops = {
1091	.open =		snd_vt1724_capture_pro_open,
1092	.close =	snd_vt1724_capture_pro_close,
1093	.hw_params =	snd_vt1724_pcm_hw_params,
1094	.hw_free =	snd_vt1724_pcm_hw_free,
1095	.prepare =	snd_vt1724_pcm_prepare,
1096	.trigger =	snd_vt1724_pcm_trigger,
1097	.pointer =	snd_vt1724_pcm_pointer,
1098};
1099
1100static int snd_vt1724_pcm_profi(struct snd_ice1712 *ice, int device)
1101{
1102	struct snd_pcm *pcm;
1103	int capt, err;
1104
1105	if ((ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_ADC_MASK) ==
1106	    VT1724_CFG_ADC_NONE)
1107		capt = 0;
1108	else
1109		capt = 1;
1110	err = snd_pcm_new(ice->card, "ICE1724", device, 1, capt, &pcm);
1111	if (err < 0)
1112		return err;
1113
1114	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_vt1724_playback_pro_ops);
1115	if (capt)
1116		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1117			&snd_vt1724_capture_pro_ops);
1118
1119	pcm->private_data = ice;
1120	pcm->info_flags = 0;
1121	strcpy(pcm->name, "ICE1724");
1122
1123	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1124				       &ice->pci->dev, 256*1024, 256*1024);
1125
1126	ice->pcm_pro = pcm;
1127
1128	return 0;
1129}
1130
1131
1132/*
1133 * SPDIF PCM
1134 */
1135
1136/* update spdif control bits; call with reg_lock */
1137static void update_spdif_bits(struct snd_ice1712 *ice, unsigned int val)
1138{
1139	unsigned char cbit, disabled;
1140
1141	cbit = inb(ICEREG1724(ice, SPDIF_CFG));
1142	disabled = cbit & ~VT1724_CFG_SPDIF_OUT_EN;
1143	if (cbit != disabled)
1144		outb(disabled, ICEREG1724(ice, SPDIF_CFG));
1145	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1146	if (cbit != disabled)
1147		outb(cbit, ICEREG1724(ice, SPDIF_CFG));
1148	outw(val, ICEMT1724(ice, SPDIF_CTRL));
1149}
1150
1151/* update SPDIF control bits according to the given rate */
1152static void update_spdif_rate(struct snd_ice1712 *ice, unsigned int rate)
1153{
1154	unsigned int val, nval;
1155	unsigned long flags;
1156
1157	spin_lock_irqsave(&ice->reg_lock, flags);
1158	nval = val = inw(ICEMT1724(ice, SPDIF_CTRL));
1159	nval &= ~(7 << 12);
1160	switch (rate) {
1161	case 44100: break;
1162	case 48000: nval |= 2 << 12; break;
1163	case 32000: nval |= 3 << 12; break;
1164	case 88200: nval |= 4 << 12; break;
1165	case 96000: nval |= 5 << 12; break;
1166	case 192000: nval |= 6 << 12; break;
1167	case 176400: nval |= 7 << 12; break;
1168	}
1169	if (val != nval)
1170		update_spdif_bits(ice, nval);
1171	spin_unlock_irqrestore(&ice->reg_lock, flags);
1172}
1173
1174static int snd_vt1724_playback_spdif_prepare(struct snd_pcm_substream *substream)
1175{
1176	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1177	if (!ice->force_pdma4)
1178		update_spdif_rate(ice, substream->runtime->rate);
1179	return snd_vt1724_pcm_prepare(substream);
1180}
1181
1182static int snd_vt1724_playback_spdif_open(struct snd_pcm_substream *substream)
1183{
1184	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1185	struct snd_pcm_runtime *runtime = substream->runtime;
1186
1187	runtime->private_data = (void *)&vt1724_playback_spdif_reg;
1188	ice->playback_con_substream = substream;
1189	if (ice->force_pdma4) {
1190		runtime->hw = snd_vt1724_2ch_stereo;
1191		set_rate_constraints(ice, substream);
1192	} else
1193		runtime->hw = snd_vt1724_spdif;
1194	snd_pcm_set_sync(substream);
1195	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1196	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1197				   VT1724_BUFFER_ALIGN);
1198	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1199				   VT1724_BUFFER_ALIGN);
1200	constrain_rate_if_locked(substream);
1201	if (ice->spdif.ops.open)
1202		ice->spdif.ops.open(ice, substream);
1203	return 0;
1204}
1205
1206static int snd_vt1724_playback_spdif_close(struct snd_pcm_substream *substream)
1207{
1208	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1209
1210	if (PRO_RATE_RESET)
1211		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1212	ice->playback_con_substream = NULL;
1213	if (ice->spdif.ops.close)
1214		ice->spdif.ops.close(ice, substream);
1215
1216	return 0;
1217}
1218
1219static int snd_vt1724_capture_spdif_open(struct snd_pcm_substream *substream)
1220{
1221	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1222	struct snd_pcm_runtime *runtime = substream->runtime;
1223
1224	runtime->private_data = (void *)&vt1724_capture_spdif_reg;
1225	ice->capture_con_substream = substream;
1226	if (ice->force_rdma1) {
1227		runtime->hw = snd_vt1724_2ch_stereo;
1228		set_rate_constraints(ice, substream);
1229	} else
1230		runtime->hw = snd_vt1724_spdif;
1231	snd_pcm_set_sync(substream);
1232	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1233	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1234				   VT1724_BUFFER_ALIGN);
1235	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1236				   VT1724_BUFFER_ALIGN);
1237	constrain_rate_if_locked(substream);
1238	if (ice->spdif.ops.open)
1239		ice->spdif.ops.open(ice, substream);
1240	return 0;
1241}
1242
1243static int snd_vt1724_capture_spdif_close(struct snd_pcm_substream *substream)
1244{
1245	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1246
1247	if (PRO_RATE_RESET)
1248		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1249	ice->capture_con_substream = NULL;
1250	if (ice->spdif.ops.close)
1251		ice->spdif.ops.close(ice, substream);
1252
1253	return 0;
1254}
1255
1256static const struct snd_pcm_ops snd_vt1724_playback_spdif_ops = {
1257	.open =		snd_vt1724_playback_spdif_open,
1258	.close =	snd_vt1724_playback_spdif_close,
1259	.hw_params =	snd_vt1724_pcm_hw_params,
1260	.hw_free =	snd_vt1724_pcm_hw_free,
1261	.prepare =	snd_vt1724_playback_spdif_prepare,
1262	.trigger =	snd_vt1724_pcm_trigger,
1263	.pointer =	snd_vt1724_pcm_pointer,
1264};
1265
1266static const struct snd_pcm_ops snd_vt1724_capture_spdif_ops = {
1267	.open =		snd_vt1724_capture_spdif_open,
1268	.close =	snd_vt1724_capture_spdif_close,
1269	.hw_params =	snd_vt1724_pcm_hw_params,
1270	.hw_free =	snd_vt1724_pcm_hw_free,
1271	.prepare =	snd_vt1724_pcm_prepare,
1272	.trigger =	snd_vt1724_pcm_trigger,
1273	.pointer =	snd_vt1724_pcm_pointer,
1274};
1275
1276
1277static int snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
1278{
1279	char *name;
1280	struct snd_pcm *pcm;
1281	int play, capt;
1282	int err;
1283
1284	if (ice->force_pdma4 ||
1285	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_OUT_INT)) {
1286		play = 1;
1287		ice->has_spdif = 1;
1288	} else
1289		play = 0;
1290	if (ice->force_rdma1 ||
1291	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN)) {
1292		capt = 1;
1293		ice->has_spdif = 1;
1294	} else
1295		capt = 0;
1296	if (!play && !capt)
1297		return 0; /* no spdif device */
1298
1299	if (ice->force_pdma4 || ice->force_rdma1)
1300		name = "ICE1724 Secondary";
1301	else
1302		name = "ICE1724 IEC958";
1303	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
1304	if (err < 0)
1305		return err;
1306
1307	if (play)
1308		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1309				&snd_vt1724_playback_spdif_ops);
1310	if (capt)
1311		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1312				&snd_vt1724_capture_spdif_ops);
1313
1314	pcm->private_data = ice;
1315	pcm->info_flags = 0;
1316	strcpy(pcm->name, name);
1317
1318	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1319				       &ice->pci->dev, 256*1024, 256*1024);
1320
1321	ice->pcm = pcm;
1322
1323	return 0;
1324}
1325
1326
1327/*
1328 * independent surround PCMs
1329 */
1330
1331static const struct vt1724_pcm_reg vt1724_playback_dma_regs[3] = {
1332	{
1333		.addr = VT1724_MT_PDMA1_ADDR,
1334		.size = VT1724_MT_PDMA1_SIZE,
1335		.count = VT1724_MT_PDMA1_COUNT,
1336		.start = VT1724_PDMA1_START,
1337	},
1338	{
1339		.addr = VT1724_MT_PDMA2_ADDR,
1340		.size = VT1724_MT_PDMA2_SIZE,
1341		.count = VT1724_MT_PDMA2_COUNT,
1342		.start = VT1724_PDMA2_START,
1343	},
1344	{
1345		.addr = VT1724_MT_PDMA3_ADDR,
1346		.size = VT1724_MT_PDMA3_SIZE,
1347		.count = VT1724_MT_PDMA3_COUNT,
1348		.start = VT1724_PDMA3_START,
1349	},
1350};
1351
1352static int snd_vt1724_playback_indep_prepare(struct snd_pcm_substream *substream)
1353{
1354	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1355	unsigned char val;
1356
1357	spin_lock_irq(&ice->reg_lock);
1358	val = 3 - substream->number;
1359	if (inb(ICEMT1724(ice, BURST)) < val)
1360		outb(val, ICEMT1724(ice, BURST));
1361	spin_unlock_irq(&ice->reg_lock);
1362	return snd_vt1724_pcm_prepare(substream);
1363}
1364
1365static int snd_vt1724_playback_indep_open(struct snd_pcm_substream *substream)
1366{
1367	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1368	struct snd_pcm_runtime *runtime = substream->runtime;
1369
1370	mutex_lock(&ice->open_mutex);
1371	/* already used by PDMA0? */
1372	if (ice->pcm_reserved[substream->number]) {
1373		mutex_unlock(&ice->open_mutex);
1374		return -EBUSY; /* FIXME: should handle blocking mode properly */
1375	}
1376	mutex_unlock(&ice->open_mutex);
1377	runtime->private_data = (void *)&vt1724_playback_dma_regs[substream->number];
1378	ice->playback_con_substream_ds[substream->number] = substream;
1379	runtime->hw = snd_vt1724_2ch_stereo;
1380	snd_pcm_set_sync(substream);
1381	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
1382	set_rate_constraints(ice, substream);
1383	return 0;
1384}
1385
1386static int snd_vt1724_playback_indep_close(struct snd_pcm_substream *substream)
1387{
1388	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
1389
1390	if (PRO_RATE_RESET)
1391		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 0);
1392	ice->playback_con_substream_ds[substream->number] = NULL;
1393	ice->pcm_reserved[substream->number] = NULL;
1394
1395	return 0;
1396}
1397
1398static const struct snd_pcm_ops snd_vt1724_playback_indep_ops = {
1399	.open =		snd_vt1724_playback_indep_open,
1400	.close =	snd_vt1724_playback_indep_close,
1401	.hw_params =	snd_vt1724_pcm_hw_params,
1402	.hw_free =	snd_vt1724_pcm_hw_free,
1403	.prepare =	snd_vt1724_playback_indep_prepare,
1404	.trigger =	snd_vt1724_pcm_trigger,
1405	.pointer =	snd_vt1724_pcm_pointer,
1406};
1407
1408
1409static int snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
1410{
1411	struct snd_pcm *pcm;
1412	int play;
1413	int err;
1414
1415	play = ice->num_total_dacs / 2 - 1;
1416	if (play <= 0)
1417		return 0;
1418
1419	err = snd_pcm_new(ice->card, "ICE1724 Surrounds", device, play, 0, &pcm);
1420	if (err < 0)
1421		return err;
1422
1423	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1424			&snd_vt1724_playback_indep_ops);
1425
1426	pcm->private_data = ice;
1427	pcm->info_flags = 0;
1428	strcpy(pcm->name, "ICE1724 Surround PCM");
1429
1430	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1431				       &ice->pci->dev, 256*1024, 256*1024);
1432
1433	ice->pcm_ds = pcm;
1434
1435	return 0;
1436}
1437
1438
1439/*
1440 *  Mixer section
1441 */
1442
1443static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
1444{
1445	int err;
1446
1447	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
1448		struct snd_ac97_bus *pbus;
1449		struct snd_ac97_template ac97;
1450		static const struct snd_ac97_bus_ops ops = {
1451			.write = snd_vt1724_ac97_write,
1452			.read = snd_vt1724_ac97_read,
1453		};
1454
1455		/* cold reset */
1456		outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
1457		mdelay(5); /* FIXME */
1458		outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
1459
1460		err = snd_ac97_bus(ice->card, 0, &ops, NULL, &pbus);
1461		if (err < 0)
1462			return err;
1463		memset(&ac97, 0, sizeof(ac97));
1464		ac97.private_data = ice;
1465		err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
1466		if (err < 0)
1467			dev_warn(ice->card->dev,
1468				 "cannot initialize pro ac97, skipped\n");
1469		else
1470			return 0;
1471	}
1472	/* I2S mixer only */
1473	strcat(ice->card->mixername, "ICE1724 - multitrack");
1474	return 0;
1475}
1476
1477/*
1478 *
1479 */
1480
1481static inline unsigned int eeprom_triple(struct snd_ice1712 *ice, int idx)
1482{
1483	return (unsigned int)ice->eeprom.data[idx] | \
1484		((unsigned int)ice->eeprom.data[idx + 1] << 8) | \
1485		((unsigned int)ice->eeprom.data[idx + 2] << 16);
1486}
1487
1488static void snd_vt1724_proc_read(struct snd_info_entry *entry,
1489				 struct snd_info_buffer *buffer)
1490{
1491	struct snd_ice1712 *ice = entry->private_data;
1492	unsigned int idx;
1493
1494	snd_iprintf(buffer, "%s\n\n", ice->card->longname);
1495	snd_iprintf(buffer, "EEPROM:\n");
1496
1497	snd_iprintf(buffer, "  Subvendor        : 0x%x\n", ice->eeprom.subvendor);
1498	snd_iprintf(buffer, "  Size             : %i bytes\n", ice->eeprom.size);
1499	snd_iprintf(buffer, "  Version          : %i\n", ice->eeprom.version);
1500	snd_iprintf(buffer, "  System Config    : 0x%x\n",
1501		    ice->eeprom.data[ICE_EEP2_SYSCONF]);
1502	snd_iprintf(buffer, "  ACLink           : 0x%x\n",
1503		    ice->eeprom.data[ICE_EEP2_ACLINK]);
1504	snd_iprintf(buffer, "  I2S              : 0x%x\n",
1505		    ice->eeprom.data[ICE_EEP2_I2S]);
1506	snd_iprintf(buffer, "  S/PDIF           : 0x%x\n",
1507		    ice->eeprom.data[ICE_EEP2_SPDIF]);
1508	snd_iprintf(buffer, "  GPIO direction   : 0x%x\n",
1509		    ice->eeprom.gpiodir);
1510	snd_iprintf(buffer, "  GPIO mask        : 0x%x\n",
1511		    ice->eeprom.gpiomask);
1512	snd_iprintf(buffer, "  GPIO state       : 0x%x\n",
1513		    ice->eeprom.gpiostate);
1514	for (idx = 0x12; idx < ice->eeprom.size; idx++)
1515		snd_iprintf(buffer, "  Extra #%02i        : 0x%x\n",
1516			    idx, ice->eeprom.data[idx]);
1517
1518	snd_iprintf(buffer, "\nRegisters:\n");
1519
1520	snd_iprintf(buffer, "  PSDOUT03 : 0x%08x\n",
1521		    (unsigned)inl(ICEMT1724(ice, ROUTE_PLAYBACK)));
1522	for (idx = 0x0; idx < 0x20 ; idx++)
1523		snd_iprintf(buffer, "  CCS%02x    : 0x%02x\n",
1524			    idx, inb(ice->port+idx));
1525	for (idx = 0x0; idx < 0x30 ; idx++)
1526		snd_iprintf(buffer, "  MT%02x     : 0x%02x\n",
1527			    idx, inb(ice->profi_port+idx));
1528}
1529
1530static void snd_vt1724_proc_init(struct snd_ice1712 *ice)
1531{
1532	snd_card_ro_proc_new(ice->card, "ice1724", ice, snd_vt1724_proc_read);
1533}
1534
1535/*
1536 *
1537 */
1538
1539static int snd_vt1724_eeprom_info(struct snd_kcontrol *kcontrol,
1540				  struct snd_ctl_elem_info *uinfo)
1541{
1542	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
1543	uinfo->count = sizeof(struct snd_ice1712_eeprom);
1544	return 0;
1545}
1546
1547static int snd_vt1724_eeprom_get(struct snd_kcontrol *kcontrol,
1548				 struct snd_ctl_elem_value *ucontrol)
1549{
1550	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1551
1552	memcpy(ucontrol->value.bytes.data, &ice->eeprom, sizeof(ice->eeprom));
1553	return 0;
1554}
1555
1556static const struct snd_kcontrol_new snd_vt1724_eeprom = {
1557	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
1558	.name = "ICE1724 EEPROM",
1559	.access = SNDRV_CTL_ELEM_ACCESS_READ,
1560	.info = snd_vt1724_eeprom_info,
1561	.get = snd_vt1724_eeprom_get
1562};
1563
1564/*
1565 */
1566static int snd_vt1724_spdif_info(struct snd_kcontrol *kcontrol,
1567				 struct snd_ctl_elem_info *uinfo)
1568{
1569	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1570	uinfo->count = 1;
1571	return 0;
1572}
1573
1574static unsigned int encode_spdif_bits(struct snd_aes_iec958 *diga)
1575{
1576	unsigned int val, rbits;
1577
1578	val = diga->status[0] & 0x03; /* professional, non-audio */
1579	if (val & 0x01) {
1580		/* professional */
1581		if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) ==
1582		    IEC958_AES0_PRO_EMPHASIS_5015)
1583			val |= 1U << 3;
1584		rbits = (diga->status[4] >> 3) & 0x0f;
1585		if (rbits) {
1586			switch (rbits) {
1587			case 2: val |= 5 << 12; break; /* 96k */
1588			case 3: val |= 6 << 12; break; /* 192k */
1589			case 10: val |= 4 << 12; break; /* 88.2k */
1590			case 11: val |= 7 << 12; break; /* 176.4k */
1591			}
1592		} else {
1593			switch (diga->status[0] & IEC958_AES0_PRO_FS) {
1594			case IEC958_AES0_PRO_FS_44100:
1595				break;
1596			case IEC958_AES0_PRO_FS_32000:
1597				val |= 3U << 12;
1598				break;
1599			default:
1600				val |= 2U << 12;
1601				break;
1602			}
1603		}
1604	} else {
1605		/* consumer */
1606		val |= diga->status[1] & 0x04; /* copyright */
1607		if ((diga->status[0] & IEC958_AES0_CON_EMPHASIS) ==
1608		    IEC958_AES0_CON_EMPHASIS_5015)
1609			val |= 1U << 3;
1610		val |= (unsigned int)(diga->status[1] & 0x3f) << 4; /* category */
1611		val |= (unsigned int)(diga->status[3] & IEC958_AES3_CON_FS) << 12; /* fs */
1612	}
1613	return val;
1614}
1615
1616static void decode_spdif_bits(struct snd_aes_iec958 *diga, unsigned int val)
1617{
1618	memset(diga->status, 0, sizeof(diga->status));
1619	diga->status[0] = val & 0x03; /* professional, non-audio */
1620	if (val & 0x01) {
1621		/* professional */
1622		if (val & (1U << 3))
1623			diga->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015;
1624		switch ((val >> 12) & 0x7) {
1625		case 0:
1626			break;
1627		case 2:
1628			diga->status[0] |= IEC958_AES0_PRO_FS_32000;
1629			break;
1630		default:
1631			diga->status[0] |= IEC958_AES0_PRO_FS_48000;
1632			break;
1633		}
1634	} else {
1635		/* consumer */
1636		diga->status[0] |= val & (1U << 2); /* copyright */
1637		if (val & (1U << 3))
1638			diga->status[0] |= IEC958_AES0_CON_EMPHASIS_5015;
1639		diga->status[1] |= (val >> 4) & 0x3f; /* category */
1640		diga->status[3] |= (val >> 12) & 0x07; /* fs */
1641	}
1642}
1643
1644static int snd_vt1724_spdif_default_get(struct snd_kcontrol *kcontrol,
1645					struct snd_ctl_elem_value *ucontrol)
1646{
1647	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1648	unsigned int val;
1649	val = inw(ICEMT1724(ice, SPDIF_CTRL));
1650	decode_spdif_bits(&ucontrol->value.iec958, val);
1651	return 0;
1652}
1653
1654static int snd_vt1724_spdif_default_put(struct snd_kcontrol *kcontrol,
1655					 struct snd_ctl_elem_value *ucontrol)
1656{
1657	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1658	unsigned int val, old;
1659
1660	val = encode_spdif_bits(&ucontrol->value.iec958);
1661	spin_lock_irq(&ice->reg_lock);
1662	old = inw(ICEMT1724(ice, SPDIF_CTRL));
1663	if (val != old)
1664		update_spdif_bits(ice, val);
1665	spin_unlock_irq(&ice->reg_lock);
1666	return val != old;
1667}
1668
1669static const struct snd_kcontrol_new snd_vt1724_spdif_default =
1670{
1671	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1672	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1673	.info =		snd_vt1724_spdif_info,
1674	.get =		snd_vt1724_spdif_default_get,
1675	.put =		snd_vt1724_spdif_default_put
1676};
1677
1678static int snd_vt1724_spdif_maskc_get(struct snd_kcontrol *kcontrol,
1679				       struct snd_ctl_elem_value *ucontrol)
1680{
1681	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1682						     IEC958_AES0_PROFESSIONAL |
1683						     IEC958_AES0_CON_NOT_COPYRIGHT |
1684						     IEC958_AES0_CON_EMPHASIS;
1685	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL |
1686						     IEC958_AES1_CON_CATEGORY;
1687	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
1688	return 0;
1689}
1690
1691static int snd_vt1724_spdif_maskp_get(struct snd_kcontrol *kcontrol,
1692				       struct snd_ctl_elem_value *ucontrol)
1693{
1694	ucontrol->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
1695						     IEC958_AES0_PROFESSIONAL |
1696						     IEC958_AES0_PRO_FS |
1697						     IEC958_AES0_PRO_EMPHASIS;
1698	return 0;
1699}
1700
1701static const struct snd_kcontrol_new snd_vt1724_spdif_maskc =
1702{
1703	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1704	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1705	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1706	.info =		snd_vt1724_spdif_info,
1707	.get =		snd_vt1724_spdif_maskc_get,
1708};
1709
1710static const struct snd_kcontrol_new snd_vt1724_spdif_maskp =
1711{
1712	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1713	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1714	.name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1715	.info =		snd_vt1724_spdif_info,
1716	.get =		snd_vt1724_spdif_maskp_get,
1717};
1718
1719#define snd_vt1724_spdif_sw_info		snd_ctl_boolean_mono_info
1720
1721static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
1722				   struct snd_ctl_elem_value *ucontrol)
1723{
1724	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1725	ucontrol->value.integer.value[0] = inb(ICEREG1724(ice, SPDIF_CFG)) &
1726		VT1724_CFG_SPDIF_OUT_EN ? 1 : 0;
1727	return 0;
1728}
1729
1730static int snd_vt1724_spdif_sw_put(struct snd_kcontrol *kcontrol,
1731				   struct snd_ctl_elem_value *ucontrol)
1732{
1733	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1734	unsigned char old, val;
1735
1736	spin_lock_irq(&ice->reg_lock);
1737	old = val = inb(ICEREG1724(ice, SPDIF_CFG));
1738	val &= ~VT1724_CFG_SPDIF_OUT_EN;
1739	if (ucontrol->value.integer.value[0])
1740		val |= VT1724_CFG_SPDIF_OUT_EN;
1741	if (old != val)
1742		outb(val, ICEREG1724(ice, SPDIF_CFG));
1743	spin_unlock_irq(&ice->reg_lock);
1744	return old != val;
1745}
1746
1747static const struct snd_kcontrol_new snd_vt1724_spdif_switch =
1748{
1749	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1750	/* FIXME: the following conflict with IEC958 Playback Route */
1751	/* .name =         SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), */
1752	.name =         SNDRV_CTL_NAME_IEC958("Output ", NONE, SWITCH),
1753	.info =		snd_vt1724_spdif_sw_info,
1754	.get =		snd_vt1724_spdif_sw_get,
1755	.put =		snd_vt1724_spdif_sw_put
1756};
1757
1758
1759#if 0 /* NOT USED YET */
1760/*
1761 * GPIO access from extern
1762 */
1763
1764#define snd_vt1724_gpio_info		snd_ctl_boolean_mono_info
1765
1766int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
1767			struct snd_ctl_elem_value *ucontrol)
1768{
1769	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1770	int shift = kcontrol->private_value & 0xff;
1771	int invert = (kcontrol->private_value & (1<<24)) ? 1 : 0;
1772
1773	snd_ice1712_save_gpio_status(ice);
1774	ucontrol->value.integer.value[0] =
1775		(snd_ice1712_gpio_read(ice) & (1 << shift) ? 1 : 0) ^ invert;
1776	snd_ice1712_restore_gpio_status(ice);
1777	return 0;
1778}
1779
1780int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol,
1781			 struct snd_ctl_elem_value *ucontrol)
1782{
1783	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1784	int shift = kcontrol->private_value & 0xff;
1785	int invert = (kcontrol->private_value & (1<<24)) ? mask : 0;
1786	unsigned int val, nval;
1787
1788	if (kcontrol->private_value & (1 << 31))
1789		return -EPERM;
1790	nval = (ucontrol->value.integer.value[0] ? (1 << shift) : 0) ^ invert;
1791	snd_ice1712_save_gpio_status(ice);
1792	val = snd_ice1712_gpio_read(ice);
1793	nval |= val & ~(1 << shift);
1794	if (val != nval)
1795		snd_ice1712_gpio_write(ice, nval);
1796	snd_ice1712_restore_gpio_status(ice);
1797	return val != nval;
1798}
1799#endif /* NOT USED YET */
1800
1801/*
1802 *  rate
1803 */
1804static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol,
1805					      struct snd_ctl_elem_info *uinfo)
1806{
1807	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1808	int hw_rates_count = ice->hw_rates->count;
1809	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1810	uinfo->count = 1;
1811
1812	/* internal clocks */
1813	uinfo->value.enumerated.items = hw_rates_count;
1814	/* external clocks */
1815	if (ice->force_rdma1 ||
1816	    (ice->eeprom.data[ICE_EEP2_SPDIF] & VT1724_CFG_SPDIF_IN))
1817		uinfo->value.enumerated.items += ice->ext_clock_count;
1818	/* upper limit - keep at top */
1819	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1820		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1821	if (uinfo->value.enumerated.item >= hw_rates_count)
1822		/* ext_clock items */
1823		strcpy(uinfo->value.enumerated.name,
1824				ice->ext_clock_names[
1825				uinfo->value.enumerated.item - hw_rates_count]);
1826	else
1827		/* int clock items */
1828		sprintf(uinfo->value.enumerated.name, "%d",
1829			ice->hw_rates->list[uinfo->value.enumerated.item]);
1830	return 0;
1831}
1832
1833static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol,
1834					     struct snd_ctl_elem_value *ucontrol)
1835{
1836	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1837	unsigned int i, rate;
1838
1839	spin_lock_irq(&ice->reg_lock);
1840	if (ice->is_spdif_master(ice)) {
1841		ucontrol->value.enumerated.item[0] = ice->hw_rates->count +
1842			ice->get_spdif_master_type(ice);
1843	} else {
1844		rate = ice->get_rate(ice);
1845		ucontrol->value.enumerated.item[0] = 0;
1846		for (i = 0; i < ice->hw_rates->count; i++) {
1847			if (ice->hw_rates->list[i] == rate) {
1848				ucontrol->value.enumerated.item[0] = i;
1849				break;
1850			}
1851		}
1852	}
1853	spin_unlock_irq(&ice->reg_lock);
1854	return 0;
1855}
1856
1857static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice)
1858{
1859	/* standard external clock - only single type - SPDIF IN */
1860	return 0;
1861}
1862
1863/* setting clock to external - SPDIF */
1864static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type)
1865{
1866	unsigned char oval;
1867	unsigned char i2s_oval;
1868	oval = inb(ICEMT1724(ice, RATE));
1869	outb(oval | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1870	/* setting 256fs */
1871	i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT));
1872	outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT));
1873	return 0;
1874}
1875
1876
1877static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol,
1878					     struct snd_ctl_elem_value *ucontrol)
1879{
1880	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1881	unsigned int old_rate, new_rate;
1882	unsigned int item = ucontrol->value.enumerated.item[0];
1883	unsigned int first_ext_clock = ice->hw_rates->count;
1884
1885	if (item >  first_ext_clock + ice->ext_clock_count - 1)
1886		return -EINVAL;
1887
1888	/* if rate = 0 => external clock */
1889	spin_lock_irq(&ice->reg_lock);
1890	if (ice->is_spdif_master(ice))
1891		old_rate = 0;
1892	else
1893		old_rate = ice->get_rate(ice);
1894	if (item >= first_ext_clock) {
1895		/* switching to external clock */
1896		ice->set_spdif_clock(ice, item - first_ext_clock);
1897		new_rate = 0;
1898	} else {
1899		/* internal on-card clock */
1900		new_rate = ice->hw_rates->list[item];
1901		ice->pro_rate_default = new_rate;
1902		spin_unlock_irq(&ice->reg_lock);
1903		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
1904		spin_lock_irq(&ice->reg_lock);
1905	}
1906	spin_unlock_irq(&ice->reg_lock);
1907
1908	/* the first switch to the ext. clock mode? */
1909	if (old_rate != new_rate && !new_rate) {
1910		/* notify akm chips as well */
1911		unsigned int i;
1912		if (ice->gpio.set_pro_rate)
1913			ice->gpio.set_pro_rate(ice, 0);
1914		for (i = 0; i < ice->akm_codecs; i++) {
1915			if (ice->akm[i].ops.set_rate_val)
1916				ice->akm[i].ops.set_rate_val(&ice->akm[i], 0);
1917		}
1918	}
1919	return old_rate != new_rate;
1920}
1921
1922static const struct snd_kcontrol_new snd_vt1724_pro_internal_clock = {
1923	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1924	.name = "Multi Track Internal Clock",
1925	.info = snd_vt1724_pro_internal_clock_info,
1926	.get = snd_vt1724_pro_internal_clock_get,
1927	.put = snd_vt1724_pro_internal_clock_put
1928};
1929
1930#define snd_vt1724_pro_rate_locking_info	snd_ctl_boolean_mono_info
1931
1932static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
1933					   struct snd_ctl_elem_value *ucontrol)
1934{
1935	ucontrol->value.integer.value[0] = PRO_RATE_LOCKED;
1936	return 0;
1937}
1938
1939static int snd_vt1724_pro_rate_locking_put(struct snd_kcontrol *kcontrol,
1940					   struct snd_ctl_elem_value *ucontrol)
1941{
1942	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1943	int change = 0, nval;
1944
1945	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1946	spin_lock_irq(&ice->reg_lock);
1947	change = PRO_RATE_LOCKED != nval;
1948	PRO_RATE_LOCKED = nval;
1949	spin_unlock_irq(&ice->reg_lock);
1950	return change;
1951}
1952
1953static const struct snd_kcontrol_new snd_vt1724_pro_rate_locking = {
1954	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1955	.name = "Multi Track Rate Locking",
1956	.info = snd_vt1724_pro_rate_locking_info,
1957	.get = snd_vt1724_pro_rate_locking_get,
1958	.put = snd_vt1724_pro_rate_locking_put
1959};
1960
1961#define snd_vt1724_pro_rate_reset_info		snd_ctl_boolean_mono_info
1962
1963static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
1964					 struct snd_ctl_elem_value *ucontrol)
1965{
1966	ucontrol->value.integer.value[0] = PRO_RATE_RESET ? 1 : 0;
1967	return 0;
1968}
1969
1970static int snd_vt1724_pro_rate_reset_put(struct snd_kcontrol *kcontrol,
1971					 struct snd_ctl_elem_value *ucontrol)
1972{
1973	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
1974	int change = 0, nval;
1975
1976	nval = ucontrol->value.integer.value[0] ? 1 : 0;
1977	spin_lock_irq(&ice->reg_lock);
1978	change = PRO_RATE_RESET != nval;
1979	PRO_RATE_RESET = nval;
1980	spin_unlock_irq(&ice->reg_lock);
1981	return change;
1982}
1983
1984static const struct snd_kcontrol_new snd_vt1724_pro_rate_reset = {
1985	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1986	.name = "Multi Track Rate Reset",
1987	.info = snd_vt1724_pro_rate_reset_info,
1988	.get = snd_vt1724_pro_rate_reset_get,
1989	.put = snd_vt1724_pro_rate_reset_put
1990};
1991
1992
1993/*
1994 * routing
1995 */
1996static int snd_vt1724_pro_route_info(struct snd_kcontrol *kcontrol,
1997				     struct snd_ctl_elem_info *uinfo)
1998{
1999	static const char * const texts[] = {
2000		"PCM Out", /* 0 */
2001		"H/W In 0", "H/W In 1", /* 1-2 */
2002		"IEC958 In L", "IEC958 In R", /* 3-4 */
2003	};
2004
2005	return snd_ctl_enum_info(uinfo, 1, 5, texts);
2006}
2007
2008static inline int analog_route_shift(int idx)
2009{
2010	return (idx % 2) * 12 + ((idx / 2) * 3) + 8;
2011}
2012
2013static inline int digital_route_shift(int idx)
2014{
2015	return idx * 3;
2016}
2017
2018int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
2019{
2020	unsigned long val;
2021	unsigned char eitem;
2022	static const unsigned char xlate[8] = {
2023		0, 255, 1, 2, 255, 255, 3, 4,
2024	};
2025
2026	val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2027	val >>= shift;
2028	val &= 7; /* we now have 3 bits per output */
2029	eitem = xlate[val];
2030	if (eitem == 255) {
2031		snd_BUG();
2032		return 0;
2033	}
2034	return eitem;
2035}
2036
2037int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
2038								int shift)
2039{
2040	unsigned int old_val, nval;
2041	int change;
2042	static const unsigned char xroute[8] = {
2043		0, /* PCM */
2044		2, /* PSDIN0 Left */
2045		3, /* PSDIN0 Right */
2046		6, /* SPDIN Left */
2047		7, /* SPDIN Right */
2048	};
2049
2050	nval = xroute[val % 5];
2051	val = old_val = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2052	val &= ~(0x07 << shift);
2053	val |= nval << shift;
2054	change = val != old_val;
2055	if (change)
2056		outl(val, ICEMT1724(ice, ROUTE_PLAYBACK));
2057	return change;
2058}
2059
2060static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
2061					   struct snd_ctl_elem_value *ucontrol)
2062{
2063	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2064	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2065	ucontrol->value.enumerated.item[0] =
2066		snd_ice1724_get_route_val(ice, analog_route_shift(idx));
2067	return 0;
2068}
2069
2070static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
2071					   struct snd_ctl_elem_value *ucontrol)
2072{
2073	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2074	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2075	return snd_ice1724_put_route_val(ice,
2076					 ucontrol->value.enumerated.item[0],
2077					 analog_route_shift(idx));
2078}
2079
2080static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
2081					  struct snd_ctl_elem_value *ucontrol)
2082{
2083	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2084	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2085	ucontrol->value.enumerated.item[0] =
2086		snd_ice1724_get_route_val(ice, digital_route_shift(idx));
2087	return 0;
2088}
2089
2090static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
2091					  struct snd_ctl_elem_value *ucontrol)
2092{
2093	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2094	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2095	return snd_ice1724_put_route_val(ice,
2096					 ucontrol->value.enumerated.item[0],
2097					 digital_route_shift(idx));
2098}
2099
2100static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route =
2101{
2102	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2103	.name = "H/W Playback Route",
2104	.info = snd_vt1724_pro_route_info,
2105	.get = snd_vt1724_pro_route_analog_get,
2106	.put = snd_vt1724_pro_route_analog_put,
2107};
2108
2109static const struct snd_kcontrol_new snd_vt1724_mixer_pro_spdif_route = {
2110	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2111	.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, NONE) "Route",
2112	.info = snd_vt1724_pro_route_info,
2113	.get = snd_vt1724_pro_route_spdif_get,
2114	.put = snd_vt1724_pro_route_spdif_put,
2115	.count = 2,
2116};
2117
2118
2119static int snd_vt1724_pro_peak_info(struct snd_kcontrol *kcontrol,
2120				    struct snd_ctl_elem_info *uinfo)
2121{
2122	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2123	uinfo->count = 22; /* FIXME: for compatibility with ice1712... */
2124	uinfo->value.integer.min = 0;
2125	uinfo->value.integer.max = 255;
2126	return 0;
2127}
2128
2129static int snd_vt1724_pro_peak_get(struct snd_kcontrol *kcontrol,
2130				   struct snd_ctl_elem_value *ucontrol)
2131{
2132	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
2133	int idx;
2134
2135	spin_lock_irq(&ice->reg_lock);
2136	for (idx = 0; idx < 22; idx++) {
2137		outb(idx, ICEMT1724(ice, MONITOR_PEAKINDEX));
2138		ucontrol->value.integer.value[idx] =
2139			inb(ICEMT1724(ice, MONITOR_PEAKDATA));
2140	}
2141	spin_unlock_irq(&ice->reg_lock);
2142	return 0;
2143}
2144
2145static const struct snd_kcontrol_new snd_vt1724_mixer_pro_peak = {
2146	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
2147	.name = "Multi Track Peak",
2148	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2149	.info = snd_vt1724_pro_peak_info,
2150	.get = snd_vt1724_pro_peak_get
2151};
2152
2153/*
2154  ooAoo cards with no controls
2155*/
2156static const unsigned char ooaoo_sq210_eeprom[] = {
2157	[ICE_EEP2_SYSCONF]     = 0x4c,	/* 49MHz crystal, no mpu401, no ADC,
2158					   1xDACs */
2159	[ICE_EEP2_ACLINK]      = 0x80,	/* I2S */
2160	[ICE_EEP2_I2S]         = 0x78,	/* no volume, 96k, 24bit, 192k */
2161	[ICE_EEP2_SPDIF]       = 0xc1,	/* out-en, out-int, out-ext */
2162	[ICE_EEP2_GPIO_DIR]    = 0x00,	/* no GPIOs are used */
2163	[ICE_EEP2_GPIO_DIR1]   = 0x00,
2164	[ICE_EEP2_GPIO_DIR2]   = 0x00,
2165	[ICE_EEP2_GPIO_MASK]   = 0xff,
2166	[ICE_EEP2_GPIO_MASK1]  = 0xff,
2167	[ICE_EEP2_GPIO_MASK2]  = 0xff,
2168
2169	[ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
2170	[ICE_EEP2_GPIO_STATE1] = 0x00, /* all 1, but GPIO_CPLD_RW
2171					  and GPIO15 always zero */
2172	[ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
2173};
2174
2175
2176static const struct snd_ice1712_card_info snd_vt1724_ooaoo_cards[] = {
2177	{
2178		.name = "ooAoo SQ210a",
2179		.model = "sq210a",
2180		.eeprom_size = sizeof(ooaoo_sq210_eeprom),
2181		.eeprom_data = ooaoo_sq210_eeprom,
2182	},
2183	{ } /* terminator */
2184};
2185
2186static const struct snd_ice1712_card_info *card_tables[] = {
2187	snd_vt1724_revo_cards,
2188	snd_vt1724_amp_cards,
2189	snd_vt1724_aureon_cards,
2190	snd_vt1720_mobo_cards,
2191	snd_vt1720_pontis_cards,
2192	snd_vt1724_prodigy_hifi_cards,
2193	snd_vt1724_prodigy192_cards,
2194	snd_vt1724_juli_cards,
2195	snd_vt1724_maya44_cards,
2196	snd_vt1724_phase_cards,
2197	snd_vt1724_wtm_cards,
2198	snd_vt1724_se_cards,
2199	snd_vt1724_qtet_cards,
2200	snd_vt1724_ooaoo_cards,
2201	snd_vt1724_psc724_cards,
2202	NULL,
2203};
2204
2205
2206/*
2207 */
2208
2209static void wait_i2c_busy(struct snd_ice1712 *ice)
2210{
2211	int t = 0x10000;
2212	while ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_BUSY) && t--)
2213		;
2214	if (t == -1)
2215		dev_err(ice->card->dev, "i2c busy timeout\n");
2216}
2217
2218unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
2219				  unsigned char dev, unsigned char addr)
2220{
2221	unsigned char val;
2222
2223	mutex_lock(&ice->i2c_mutex);
2224	wait_i2c_busy(ice);
2225	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2226	outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2227	wait_i2c_busy(ice);
2228	val = inb(ICEREG1724(ice, I2C_DATA));
2229	mutex_unlock(&ice->i2c_mutex);
2230	/*
2231	dev_dbg(ice->card->dev, "i2c_read: [0x%x,0x%x] = 0x%x\n", dev, addr, val);
2232	*/
2233	return val;
2234}
2235
2236void snd_vt1724_write_i2c(struct snd_ice1712 *ice,
2237			  unsigned char dev, unsigned char addr, unsigned char data)
2238{
2239	mutex_lock(&ice->i2c_mutex);
2240	wait_i2c_busy(ice);
2241	/*
2242	dev_dbg(ice->card->dev, "i2c_write: [0x%x,0x%x] = 0x%x\n", dev, addr, data);
2243	*/
2244	outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
2245	outb(data, ICEREG1724(ice, I2C_DATA));
2246	outb(dev | VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
2247	wait_i2c_busy(ice);
2248	mutex_unlock(&ice->i2c_mutex);
2249}
2250
2251static int snd_vt1724_read_eeprom(struct snd_ice1712 *ice,
2252				  const char *modelname)
2253{
2254	const int dev = 0xa0;		/* EEPROM device address */
2255	unsigned int i, size;
2256	const struct snd_ice1712_card_info * const *tbl, *c;
2257
2258	if (!modelname || !*modelname) {
2259		ice->eeprom.subvendor = 0;
2260		if ((inb(ICEREG1724(ice, I2C_CTRL)) & VT1724_I2C_EEPROM) != 0)
2261			ice->eeprom.subvendor =
2262				(snd_vt1724_read_i2c(ice, dev, 0x00) << 0) |
2263				(snd_vt1724_read_i2c(ice, dev, 0x01) << 8) |
2264				(snd_vt1724_read_i2c(ice, dev, 0x02) << 16) |
2265				(snd_vt1724_read_i2c(ice, dev, 0x03) << 24);
2266		if (ice->eeprom.subvendor == 0 ||
2267		    ice->eeprom.subvendor == (unsigned int)-1) {
2268			/* invalid subvendor from EEPROM, try the PCI
2269			 * subststem ID instead
2270			 */
2271			u16 vendor, device;
2272			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_VENDOR_ID,
2273					     &vendor);
2274			pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
2275			ice->eeprom.subvendor =
2276				((unsigned int)swab16(vendor) << 16) | swab16(device);
2277			if (ice->eeprom.subvendor == 0 ||
2278			    ice->eeprom.subvendor == (unsigned int)-1) {
2279				dev_err(ice->card->dev,
2280					"No valid ID is found\n");
2281				return -ENXIO;
2282			}
2283		}
2284	}
2285	for (tbl = card_tables; *tbl; tbl++) {
2286		for (c = *tbl; c->name; c++) {
2287			if (modelname && c->model &&
2288			    !strcmp(modelname, c->model)) {
2289				dev_info(ice->card->dev,
2290					 "Using board model %s\n",
2291				       c->name);
2292				ice->eeprom.subvendor = c->subvendor;
2293			} else if (c->subvendor != ice->eeprom.subvendor)
2294				continue;
2295			ice->card_info = c;
2296			if (!c->eeprom_size || !c->eeprom_data)
2297				goto found;
2298			/* if the EEPROM is given by the driver, use it */
2299			dev_dbg(ice->card->dev, "using the defined eeprom..\n");
2300			ice->eeprom.version = 2;
2301			ice->eeprom.size = c->eeprom_size + 6;
2302			memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
2303			goto read_skipped;
2304		}
2305	}
2306	dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
2307	       ice->eeprom.subvendor);
2308#ifdef CONFIG_PM_SLEEP
2309	/* assume AC97-only card which can suspend without additional code */
2310	ice->pm_suspend_enabled = 1;
2311#endif
2312
2313 found:
2314	ice->eeprom.size = snd_vt1724_read_i2c(ice, dev, 0x04);
2315	if (ice->eeprom.size < 6)
2316		ice->eeprom.size = 32;
2317	else if (ice->eeprom.size > 32) {
2318		dev_err(ice->card->dev, "Invalid EEPROM (size = %i)\n",
2319		       ice->eeprom.size);
2320		return -EIO;
2321	}
2322	ice->eeprom.version = snd_vt1724_read_i2c(ice, dev, 0x05);
2323	if (ice->eeprom.version != 1 && ice->eeprom.version != 2)
2324		dev_warn(ice->card->dev, "Invalid EEPROM version %i\n",
2325		       ice->eeprom.version);
2326	size = ice->eeprom.size - 6;
2327	for (i = 0; i < size; i++)
2328		ice->eeprom.data[i] = snd_vt1724_read_i2c(ice, dev, i + 6);
2329
2330 read_skipped:
2331	ice->eeprom.gpiomask = eeprom_triple(ice, ICE_EEP2_GPIO_MASK);
2332	ice->eeprom.gpiostate = eeprom_triple(ice, ICE_EEP2_GPIO_STATE);
2333	ice->eeprom.gpiodir = eeprom_triple(ice, ICE_EEP2_GPIO_DIR);
2334
2335	return 0;
2336}
2337
2338
2339
2340static void snd_vt1724_chip_reset(struct snd_ice1712 *ice)
2341{
2342	outb(VT1724_RESET , ICEREG1724(ice, CONTROL));
2343	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2344	msleep(10);
2345	outb(0, ICEREG1724(ice, CONTROL));
2346	inb(ICEREG1724(ice, CONTROL)); /* pci posting flush */
2347	msleep(10);
2348}
2349
2350static int snd_vt1724_chip_init(struct snd_ice1712 *ice)
2351{
2352	outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG));
2353	outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG));
2354	outb(ice->eeprom.data[ICE_EEP2_I2S], ICEREG1724(ice, I2S_FEATURES));
2355	outb(ice->eeprom.data[ICE_EEP2_SPDIF], ICEREG1724(ice, SPDIF_CFG));
2356
2357	ice->gpio.write_mask = ice->eeprom.gpiomask;
2358	ice->gpio.direction = ice->eeprom.gpiodir;
2359	snd_vt1724_set_gpio_mask(ice, ice->eeprom.gpiomask);
2360	snd_vt1724_set_gpio_dir(ice, ice->eeprom.gpiodir);
2361	snd_vt1724_set_gpio_data(ice, ice->eeprom.gpiostate);
2362
2363	outb(0, ICEREG1724(ice, POWERDOWN));
2364
2365	/* MPU_RX and TX irq masks are cleared later dynamically */
2366	outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK));
2367
2368	/* don't handle FIFO overrun/underruns (just yet),
2369	 * since they cause machine lockups
2370	 */
2371	outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK));
2372
2373	return 0;
2374}
2375
2376static int snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
2377{
2378	int err;
2379	struct snd_kcontrol *kctl;
2380
2381	if (snd_BUG_ON(!ice->pcm))
2382		return -EIO;
2383
2384	if (!ice->own_routing) {
2385		err = snd_ctl_add(ice->card,
2386			snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
2387		if (err < 0)
2388			return err;
2389	}
2390
2391	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
2392	if (err < 0)
2393		return err;
2394
2395	kctl = snd_ctl_new1(&snd_vt1724_spdif_default, ice);
2396	kctl->id.device = ice->pcm->device;
2397	err = snd_ctl_add(ice->card, kctl);
2398	if (err < 0)
2399		return err;
2400	kctl = snd_ctl_new1(&snd_vt1724_spdif_maskc, ice);
2401	kctl->id.device = ice->pcm->device;
2402	err = snd_ctl_add(ice->card, kctl);
2403	if (err < 0)
2404		return err;
2405	kctl = snd_ctl_new1(&snd_vt1724_spdif_maskp, ice);
2406	kctl->id.device = ice->pcm->device;
2407	err = snd_ctl_add(ice->card, kctl);
2408	if (err < 0)
2409		return err;
2410#if 0 /* use default only */
2411	kctl = snd_ctl_new1(&snd_vt1724_spdif_stream, ice);
2412	kctl->id.device = ice->pcm->device;
2413	err = snd_ctl_add(ice->card, kctl);
2414	if (err < 0)
2415		return err;
2416	ice->spdif.stream_ctl = kctl;
2417#endif
2418	return 0;
2419}
2420
2421
2422static int snd_vt1724_build_controls(struct snd_ice1712 *ice)
2423{
2424	int err;
2425
2426	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_eeprom, ice));
2427	if (err < 0)
2428		return err;
2429	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_internal_clock, ice));
2430	if (err < 0)
2431		return err;
2432
2433	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_locking, ice));
2434	if (err < 0)
2435		return err;
2436	err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_pro_rate_reset, ice));
2437	if (err < 0)
2438		return err;
2439
2440	if (!ice->own_routing && ice->num_total_dacs > 0) {
2441		struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
2442		tmp.count = ice->num_total_dacs;
2443		if (ice->vt1720 && tmp.count > 2)
2444			tmp.count = 2;
2445		err = snd_ctl_add(ice->card, snd_ctl_new1(&tmp, ice));
2446		if (err < 0)
2447			return err;
2448	}
2449
2450	return snd_ctl_add(ice->card,
2451			   snd_ctl_new1(&snd_vt1724_mixer_pro_peak, ice));
2452}
2453
2454static void snd_vt1724_free(struct snd_card *card)
2455{
2456	struct snd_ice1712 *ice = card->private_data;
2457
2458	/* mask all interrupts */
2459	outb(0xff, ICEMT1724(ice, DMA_INT_MASK));
2460	outb(0xff, ICEREG1724(ice, IRQMASK));
2461
2462	snd_ice1712_akm4xxx_free(ice);
2463}
2464
2465static int snd_vt1724_create(struct snd_card *card,
2466			     struct pci_dev *pci,
2467			     const char *modelname)
2468{
2469	struct snd_ice1712 *ice = card->private_data;
2470	int err;
2471
2472	/* enable PCI device */
2473	err = pcim_enable_device(pci);
2474	if (err < 0)
2475		return err;
2476
2477	ice->vt1724 = 1;
2478	spin_lock_init(&ice->reg_lock);
2479	mutex_init(&ice->gpio_mutex);
2480	mutex_init(&ice->open_mutex);
2481	mutex_init(&ice->i2c_mutex);
2482	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
2483	ice->gpio.get_mask = snd_vt1724_get_gpio_mask;
2484	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
2485	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
2486	ice->gpio.set_data = snd_vt1724_set_gpio_data;
2487	ice->gpio.get_data = snd_vt1724_get_gpio_data;
2488	ice->card = card;
2489	ice->pci = pci;
2490	ice->irq = -1;
2491	pci_set_master(pci);
2492	snd_vt1724_proc_init(ice);
2493
2494	err = pci_request_regions(pci, "ICE1724");
2495	if (err < 0)
2496		return err;
2497	ice->port = pci_resource_start(pci, 0);
2498	ice->profi_port = pci_resource_start(pci, 1);
2499
2500	if (devm_request_irq(&pci->dev, pci->irq, snd_vt1724_interrupt,
2501			     IRQF_SHARED, KBUILD_MODNAME, ice)) {
2502		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2503		return -EIO;
2504	}
2505
2506	ice->irq = pci->irq;
2507	card->sync_irq = ice->irq;
2508	card->private_free = snd_vt1724_free;
2509
2510	snd_vt1724_chip_reset(ice);
2511	if (snd_vt1724_read_eeprom(ice, modelname) < 0)
2512		return -EIO;
2513	if (snd_vt1724_chip_init(ice) < 0)
2514		return -EIO;
2515
2516	return 0;
2517}
2518
2519
2520/*
2521 *
2522 * Registration
2523 *
2524 */
2525
2526static int __snd_vt1724_probe(struct pci_dev *pci,
2527			      const struct pci_device_id *pci_id)
2528{
2529	static int dev;
2530	struct snd_card *card;
2531	struct snd_ice1712 *ice;
2532	int pcm_dev = 0, err;
2533	const struct snd_ice1712_card_info *c;
2534
2535	if (dev >= SNDRV_CARDS)
2536		return -ENODEV;
2537	if (!enable[dev]) {
2538		dev++;
2539		return -ENOENT;
2540	}
2541
2542	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2543				sizeof(*ice), &card);
2544	if (err < 0)
2545		return err;
2546	ice = card->private_data;
2547
2548	strcpy(card->driver, "ICE1724");
2549	strcpy(card->shortname, "ICEnsemble ICE1724");
2550
2551	err = snd_vt1724_create(card, pci, model[dev]);
2552	if (err < 0)
2553		return err;
2554
2555	/* field init before calling chip_init */
2556	ice->ext_clock_count = 0;
2557
2558	c = ice->card_info;
2559	if (c) {
2560		strcpy(card->shortname, c->name);
2561		if (c->driver) /* specific driver? */
2562			strcpy(card->driver, c->driver);
2563		if (c->chip_init) {
2564			err = c->chip_init(ice);
2565			if (err < 0)
2566				return err;
2567		}
2568	}
2569
2570	/*
2571	* VT1724 has separate DMAs for the analog and the SPDIF streams while
2572	* ICE1712 has only one for both (mixed up).
2573	*
2574	* Confusingly the analog PCM is named "professional" here because it
2575	* was called so in ice1712 driver, and vt1724 driver is derived from
2576	* ice1712 driver.
2577	*/
2578	ice->pro_rate_default = PRO_RATE_DEFAULT;
2579	if (!ice->is_spdif_master)
2580		ice->is_spdif_master = stdclock_is_spdif_master;
2581	if (!ice->get_rate)
2582		ice->get_rate = stdclock_get_rate;
2583	if (!ice->set_rate)
2584		ice->set_rate = stdclock_set_rate;
2585	if (!ice->set_mclk)
2586		ice->set_mclk = stdclock_set_mclk;
2587	if (!ice->set_spdif_clock)
2588		ice->set_spdif_clock = stdclock_set_spdif_clock;
2589	if (!ice->get_spdif_master_type)
2590		ice->get_spdif_master_type = stdclock_get_spdif_master_type;
2591	if (!ice->ext_clock_names)
2592		ice->ext_clock_names = ext_clock_names;
2593	if (!ice->ext_clock_count)
2594		ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
2595
2596	if (!ice->hw_rates)
2597		set_std_hw_rates(ice);
2598
2599	err = snd_vt1724_pcm_profi(ice, pcm_dev++);
2600	if (err < 0)
2601		return err;
2602
2603	err = snd_vt1724_pcm_spdif(ice, pcm_dev++);
2604	if (err < 0)
2605		return err;
2606
2607	err = snd_vt1724_pcm_indep(ice, pcm_dev++);
2608	if (err < 0)
2609		return err;
2610
2611	err = snd_vt1724_ac97_mixer(ice);
2612	if (err < 0)
2613		return err;
2614
2615	err = snd_vt1724_build_controls(ice);
2616	if (err < 0)
2617		return err;
2618
2619	if (ice->pcm && ice->has_spdif) { /* has SPDIF I/O */
2620		err = snd_vt1724_spdif_build_controls(ice);
2621		if (err < 0)
2622			return err;
2623	}
2624
2625	if (c && c->build_controls) {
2626		err = c->build_controls(ice);
2627		if (err < 0)
2628			return err;
2629	}
2630
2631	if (!c || !c->no_mpu401) {
2632		if (ice->eeprom.data[ICE_EEP2_SYSCONF] & VT1724_CFG_MPU401) {
2633			struct snd_rawmidi *rmidi;
2634
2635			err = snd_rawmidi_new(card, "MIDI", 0, 1, 1, &rmidi);
2636			if (err < 0)
2637				return err;
2638			ice->rmidi[0] = rmidi;
2639			rmidi->private_data = ice;
2640			strcpy(rmidi->name, "ICE1724 MIDI");
2641			rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
2642					    SNDRV_RAWMIDI_INFO_INPUT |
2643					    SNDRV_RAWMIDI_INFO_DUPLEX;
2644			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
2645					    &vt1724_midi_output_ops);
2646			snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
2647					    &vt1724_midi_input_ops);
2648
2649			/* set watermarks */
2650			outb(VT1724_MPU_RX_FIFO | 0x1,
2651			     ICEREG1724(ice, MPU_FIFO_WM));
2652			outb(0x1, ICEREG1724(ice, MPU_FIFO_WM));
2653			/* set UART mode */
2654			outb(VT1724_MPU_UART, ICEREG1724(ice, MPU_CTRL));
2655		}
2656	}
2657
2658	sprintf(card->longname, "%s at 0x%lx, irq %i",
2659		card->shortname, ice->port, ice->irq);
2660
2661	err = snd_card_register(card);
2662	if (err < 0)
2663		return err;
2664	pci_set_drvdata(pci, card);
2665	dev++;
2666	return 0;
2667}
2668
2669static int snd_vt1724_probe(struct pci_dev *pci,
2670			    const struct pci_device_id *pci_id)
2671{
2672	return snd_card_free_on_error(&pci->dev, __snd_vt1724_probe(pci, pci_id));
2673}
2674
2675#ifdef CONFIG_PM_SLEEP
2676static int snd_vt1724_suspend(struct device *dev)
2677{
2678	struct snd_card *card = dev_get_drvdata(dev);
2679	struct snd_ice1712 *ice = card->private_data;
2680
2681	if (!ice->pm_suspend_enabled)
2682		return 0;
2683
2684	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2685
2686	snd_ac97_suspend(ice->ac97);
2687
2688	spin_lock_irq(&ice->reg_lock);
2689	ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice);
2690	ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL));
2691	ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG));
2692	ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK));
2693	spin_unlock_irq(&ice->reg_lock);
2694
2695	if (ice->pm_suspend)
2696		ice->pm_suspend(ice);
2697	return 0;
2698}
2699
2700static int snd_vt1724_resume(struct device *dev)
2701{
2702	struct snd_card *card = dev_get_drvdata(dev);
2703	struct snd_ice1712 *ice = card->private_data;
2704
2705	if (!ice->pm_suspend_enabled)
2706		return 0;
2707
2708	snd_vt1724_chip_reset(ice);
2709
2710	if (snd_vt1724_chip_init(ice) < 0) {
2711		snd_card_disconnect(card);
2712		return -EIO;
2713	}
2714
2715	if (ice->pm_resume)
2716		ice->pm_resume(ice);
2717
2718	if (ice->pm_saved_is_spdif_master) {
2719		/* switching to external clock via SPDIF */
2720		ice->set_spdif_clock(ice, 0);
2721	} else {
2722		/* internal on-card clock */
2723		int rate;
2724		if (ice->cur_rate)
2725			rate = ice->cur_rate;
2726		else
2727			rate = ice->pro_rate_default;
2728		snd_vt1724_set_pro_rate(ice, rate, 1);
2729	}
2730
2731	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
2732
2733	outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG));
2734	outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK));
2735
2736	snd_ac97_resume(ice->ac97);
2737
2738	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2739	return 0;
2740}
2741
2742static SIMPLE_DEV_PM_OPS(snd_vt1724_pm, snd_vt1724_suspend, snd_vt1724_resume);
2743#define SND_VT1724_PM_OPS	&snd_vt1724_pm
2744#else
2745#define SND_VT1724_PM_OPS	NULL
2746#endif /* CONFIG_PM_SLEEP */
2747
2748static struct pci_driver vt1724_driver = {
2749	.name = KBUILD_MODNAME,
2750	.id_table = snd_vt1724_ids,
2751	.probe = snd_vt1724_probe,
2752	.driver = {
2753		.pm = SND_VT1724_PM_OPS,
2754	},
2755};
2756
2757module_pci_driver(vt1724_driver);
2758