1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
4 *  Driver p16v chips
5 *  Version: 0.25
6 *
7 *  FEATURES currently supported:
8 *    Output fixed at S32_LE, 2 channel to hw:0,0
9 *    Rates: 44.1, 48, 96, 192.
10 *
11 *  Changelog:
12 *  0.8
13 *    Use separate card based buffer for periods table.
14 *  0.9
15 *    Use 2 channel output streams instead of 8 channel.
16 *       (8 channel output streams might be good for ASIO type output)
17 *    Corrected speaker output, so Front -> Front etc.
18 *  0.10
19 *    Fixed missed interrupts.
20 *  0.11
21 *    Add Sound card model number and names.
22 *    Add Analog volume controls.
23 *  0.12
24 *    Corrected playback interrupts. Now interrupt per period, instead of half period.
25 *  0.13
26 *    Use single trigger for multichannel.
27 *  0.14
28 *    Mic capture now works at fixed: S32_LE, 96000Hz, Stereo.
29 *  0.15
30 *    Force buffer_size / period_size == INTEGER.
31 *  0.16
32 *    Update p16v.c to work with changed alsa api.
33 *  0.17
34 *    Update p16v.c to work with changed alsa api. Removed boot_devs.
35 *  0.18
36 *    Merging with snd-emu10k1 driver.
37 *  0.19
38 *    One stereo channel at 24bit now works.
39 *  0.20
40 *    Added better register defines.
41 *  0.21
42 *    Integrated with snd-emu10k1 driver.
43 *  0.22
44 *    Removed #if 0 ... #endif
45 *  0.23
46 *    Implement different capture rates.
47 *  0.24
48 *    Implement different capture source channels.
49 *    e.g. When HD Capture source is set to SPDIF,
50 *    setting HD Capture channel to 0 captures from CDROM digital input.
51 *    setting HD Capture channel to 1 captures from SPDIF in.
52 *  0.25
53 *    Include capture buffer sizes.
54 *
55 *  BUGS:
56 *    Some stability problems when unloading the snd-p16v kernel module.
57 *    --
58 *
59 *  TODO:
60 *    SPDIF out.
61 *    Find out how to change capture sample rates. E.g. To record SPDIF at 48000Hz.
62 *    Currently capture fixed at 48000Hz.
63 *
64 *    --
65 *  GENERAL INFO:
66 *    Model: SB0240
67 *    P16V Chip: CA0151-DBS
68 *    Audigy 2 Chip: CA0102-IAT
69 *    AC97 Codec: STAC 9721
70 *    ADC: Philips 1361T (Stereo 24bit)
71 *    DAC: CS4382-K (8-channel, 24bit, 192Khz)
72 *
73 *  This code was initially based on code from ALSA's emu10k1x.c which is:
74 *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
75 */
76#include <linux/delay.h>
77#include <linux/init.h>
78#include <linux/interrupt.h>
79#include <linux/pci.h>
80#include <linux/slab.h>
81#include <linux/vmalloc.h>
82#include <linux/moduleparam.h>
83#include <sound/core.h>
84#include <sound/initval.h>
85#include <sound/pcm.h>
86#include <sound/ac97_codec.h>
87#include <sound/info.h>
88#include <sound/tlv.h>
89#include <sound/emu10k1.h>
90#include "p16v.h"
91
92#define SET_CHANNEL 0  /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
93#define PCM_FRONT_CHANNEL 0
94#define PCM_REAR_CHANNEL 1
95#define PCM_CENTER_LFE_CHANNEL 2
96#define PCM_SIDE_CHANNEL 3
97#define CONTROL_FRONT_CHANNEL 0
98#define CONTROL_REAR_CHANNEL 3
99#define CONTROL_CENTER_LFE_CHANNEL 1
100#define CONTROL_SIDE_CHANNEL 2
101
102/* Card IDs:
103 * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:2002 -> Audigy2 ZS 7.1 Model:SB0350
104 * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:1007 -> Audigy2 6.1    Model:SB0240
105 * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:1002 -> Audigy2 Platinum  Model:SB msb0240230009266
106 * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:2007 -> Audigy4 Pro Model:SB0380 M1SB0380472001901E
107 *
108 */
109
110 /* hardware definition */
111static const struct snd_pcm_hardware snd_p16v_playback_hw = {
112	.info =			SNDRV_PCM_INFO_MMAP |
113				SNDRV_PCM_INFO_INTERLEAVED |
114				SNDRV_PCM_INFO_BLOCK_TRANSFER |
115				SNDRV_PCM_INFO_RESUME |
116				SNDRV_PCM_INFO_MMAP_VALID |
117				SNDRV_PCM_INFO_SYNC_START,
118	.formats =		SNDRV_PCM_FMTBIT_S32_LE, /* Only supports 24-bit samples padded to 32 bits. */
119	.rates =		SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
120	.rate_min =		44100,
121	.rate_max =		192000,
122	.channels_min =		8,
123	.channels_max =		8,
124	.buffer_bytes_max =	((65536 - 64) * 8),
125	.period_bytes_min =	64,
126	.period_bytes_max =	(65536 - 64),
127	.periods_min =		2,
128	.periods_max =		8,
129	.fifo_size =		0,
130};
131
132static const struct snd_pcm_hardware snd_p16v_capture_hw = {
133	.info =			(SNDRV_PCM_INFO_MMAP |
134				 SNDRV_PCM_INFO_INTERLEAVED |
135				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
136				 SNDRV_PCM_INFO_RESUME |
137				 SNDRV_PCM_INFO_MMAP_VALID),
138	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
139	.rates =		SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
140	.rate_min =		44100,
141	.rate_max =		192000,
142	.channels_min =		2,
143	.channels_max =		2,
144	.buffer_bytes_max =	(65536 - 64),
145	.period_bytes_min =	64,
146	.period_bytes_max =	(65536 - 128) >> 1,  /* size has to be N*64 bytes */
147	.periods_min =		2,
148	.periods_max =		2,
149	.fifo_size =		0,
150};
151
152/* open_playback callback */
153static int snd_p16v_pcm_open_playback_channel(struct snd_pcm_substream *substream, int channel_id)
154{
155	struct snd_pcm_runtime *runtime = substream->runtime;
156	int err;
157
158	/*
159	dev_dbg(emu->card->dev, "epcm device=%d, channel_id=%d\n",
160		   substream->pcm->device, channel_id);
161	*/
162
163	runtime->hw = snd_p16v_playback_hw;
164
165#if 0 /* debug */
166	dev_dbg(emu->card->dev,
167		   "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
168		   channel_id, channel, channel->use);
169	dev_dbg(emu->card->dev, "open:channel_id=%d, chip=%p, channel=%p\n",
170	       channel_id, chip, channel);
171#endif /* debug */
172	/* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
173	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
174	if (err < 0)
175                return err;
176
177	runtime->sync.id32[0] = substream->pcm->card->number;
178	runtime->sync.id32[1] = 'P';
179	runtime->sync.id32[2] = 16;
180	runtime->sync.id32[3] = 'V';
181
182	return 0;
183}
184
185/* open_capture callback */
186static int snd_p16v_pcm_open_capture_channel(struct snd_pcm_substream *substream, int channel_id)
187{
188	struct snd_pcm_runtime *runtime = substream->runtime;
189	int err;
190
191	/*
192	dev_dbg(emu->card->dev, "epcm device=%d, channel_id=%d\n",
193		   substream->pcm->device, channel_id);
194	*/
195
196	runtime->hw = snd_p16v_capture_hw;
197
198	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
199	if (err < 0)
200		return err;
201
202	return 0;
203}
204
205
206/* close callback */
207static int snd_p16v_pcm_close_playback(struct snd_pcm_substream *substream)
208{
209	return 0;
210}
211
212/* close callback */
213static int snd_p16v_pcm_close_capture(struct snd_pcm_substream *substream)
214{
215	return 0;
216}
217
218static int snd_p16v_pcm_open_playback_front(struct snd_pcm_substream *substream)
219{
220	return snd_p16v_pcm_open_playback_channel(substream, PCM_FRONT_CHANNEL);
221}
222
223static int snd_p16v_pcm_open_capture(struct snd_pcm_substream *substream)
224{
225	// Only using channel 0 for now, but the card has 2 channels.
226	return snd_p16v_pcm_open_capture_channel(substream, 0);
227}
228
229/* prepare playback callback */
230static int snd_p16v_pcm_prepare_playback(struct snd_pcm_substream *substream)
231{
232	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
233	struct snd_pcm_runtime *runtime = substream->runtime;
234	int channel = substream->pcm->device - emu->p16v_device_offset;
235	u32 *table_base = (u32 *)(emu->p16v_buffer->area+(8*16*channel));
236	u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
237	int i;
238	u32 tmp;
239
240#if 0 /* debug */
241	dev_dbg(emu->card->dev,
242		"prepare:channel_number=%d, rate=%d, "
243		   "format=0x%x, channels=%d, buffer_size=%ld, "
244		   "period_size=%ld, periods=%u, frames_to_bytes=%d\n",
245		   channel, runtime->rate, runtime->format, runtime->channels,
246		   runtime->buffer_size, runtime->period_size,
247		   runtime->periods, frames_to_bytes(runtime, 1));
248	dev_dbg(emu->card->dev,
249		"dma_addr=%x, dma_area=%p, table_base=%p\n",
250		   runtime->dma_addr, runtime->dma_area, table_base);
251	dev_dbg(emu->card->dev,
252		"dma_addr=%x, dma_area=%p, dma_bytes(size)=%x\n",
253		   emu->p16v_buffer->addr, emu->p16v_buffer->area,
254		   emu->p16v_buffer->bytes);
255#endif /* debug */
256	tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
257	tmp &= ~(A_SPDIF_RATE_MASK | A_EHC_SRC48_MASK);
258        switch (runtime->rate) {
259	case 44100:
260	  snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel,
261				tmp | A_SPDIF_44100 | A_EHC_SRC48_44);
262	  break;
263	case 96000:
264	  snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel,
265				tmp | A_SPDIF_96000 | A_EHC_SRC48_96);
266	  break;
267	case 192000:
268	  snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel,
269				tmp | A_SPDIF_192000 | A_EHC_SRC48_192);
270	  break;
271	case 48000:
272	default:
273	  snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel,
274				tmp | A_SPDIF_48000 | A_EHC_SRC48_BYPASS);
275	  break;
276	}
277	/* FIXME: Check emu->buffer.size before actually writing to it. */
278	for(i = 0; i < runtime->periods; i++) {
279		table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
280		table_base[(i*2)+1]=period_size_bytes<<16;
281	}
282
283	snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_ADDR, channel, emu->p16v_buffer->addr+(8*16*channel));
284	snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);
285	snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_PTR, channel, 0);
286	snd_emu10k1_ptr20_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);
287	//snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
288	snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, 0); // buffer size in bytes
289	snd_emu10k1_ptr20_write(emu, PLAYBACK_POINTER, channel, 0);
290	snd_emu10k1_ptr20_write(emu, PLAYBACK_FIFO_END_ADDRESS, channel, 0);
291	snd_emu10k1_ptr20_write(emu, PLAYBACK_FIFO_POINTER, channel, 0);
292
293	return 0;
294}
295
296/* prepare capture callback */
297static int snd_p16v_pcm_prepare_capture(struct snd_pcm_substream *substream)
298{
299	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
300	struct snd_pcm_runtime *runtime = substream->runtime;
301	int channel = substream->pcm->device - emu->p16v_device_offset;
302
303	/*
304	dev_dbg(emu->card->dev, "prepare capture:channel_number=%d, rate=%d, "
305	       "format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, "
306	       "frames_to_bytes=%d\n",
307	       channel, runtime->rate, runtime->format, runtime->channels,
308	       runtime->buffer_size, runtime->period_size,
309	       frames_to_bytes(runtime, 1));
310	*/
311        switch (runtime->rate) {
312	case 44100:
313	  snd_emu10k1_ptr_write(emu, A_I2S_CAPTURE_RATE, channel, A_I2S_CAPTURE_44100);
314	  break;
315	case 96000:
316	  snd_emu10k1_ptr_write(emu, A_I2S_CAPTURE_RATE, channel, A_I2S_CAPTURE_96000);
317	  break;
318	case 192000:
319	  snd_emu10k1_ptr_write(emu, A_I2S_CAPTURE_RATE, channel, A_I2S_CAPTURE_192000);
320	  break;
321	case 48000:
322	default:
323	  snd_emu10k1_ptr_write(emu, A_I2S_CAPTURE_RATE, channel, A_I2S_CAPTURE_48000);
324	  break;
325	}
326	/* FIXME: Check emu->buffer.size before actually writing to it. */
327	snd_emu10k1_ptr20_write(emu, CAPTURE_FIFO_POINTER, channel, 0);
328	snd_emu10k1_ptr20_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
329	snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size) << 16); // buffer size in bytes
330	snd_emu10k1_ptr20_write(emu, CAPTURE_POINTER, channel, 0);
331	//snd_emu10k1_ptr20_write(emu, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC or Line in */
332	//snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
333
334	return 0;
335}
336
337static void snd_p16v_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
338{
339	unsigned long flags;
340	unsigned int enable;
341
342	spin_lock_irqsave(&emu->emu_lock, flags);
343	enable = inl(emu->port + INTE2) | intrenb;
344	outl(enable, emu->port + INTE2);
345	spin_unlock_irqrestore(&emu->emu_lock, flags);
346}
347
348static void snd_p16v_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb)
349{
350	unsigned long flags;
351	unsigned int disable;
352
353	spin_lock_irqsave(&emu->emu_lock, flags);
354	disable = inl(emu->port + INTE2) & (~intrenb);
355	outl(disable, emu->port + INTE2);
356	spin_unlock_irqrestore(&emu->emu_lock, flags);
357}
358
359static void snd_p16v_interrupt(struct snd_emu10k1 *emu)
360{
361	unsigned int status;
362
363	while ((status = inl(emu->port + IPR2)) != 0) {
364		u32 mask = INTE2_PLAYBACK_CH_0_LOOP;  /* Full Loop */
365
366		/* dev_dbg(emu->card->dev, "p16v status=0x%x\n", status); */
367		if (status & mask) {
368			struct snd_pcm_substream *substream =
369					emu->pcm_p16v->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
370			struct snd_pcm_runtime *runtime = substream->runtime;
371
372			if (runtime && runtime->private_data) {
373				snd_pcm_period_elapsed(substream);
374			} else {
375				dev_err(emu->card->dev,
376					"p16v: status: 0x%08x, mask=0x%08x\n",
377					status, mask);
378			}
379		}
380		if (status & 0x110000) {
381			struct snd_pcm_substream *substream =
382					emu->pcm_p16v->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
383			struct snd_pcm_runtime *runtime = substream->runtime;
384
385			/* dev_info(emu->card->dev, "capture int found\n"); */
386			if (runtime && runtime->private_data) {
387				/* dev_info(emu->card->dev, "capture period_elapsed\n"); */
388				snd_pcm_period_elapsed(substream);
389			}
390		}
391		outl(status, emu->port + IPR2); /* ack all */
392	}
393}
394
395/* trigger_playback callback */
396static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
397				    int cmd)
398{
399	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
400	struct snd_pcm_runtime *runtime;
401	int channel;
402	int result = 0;
403        struct snd_pcm_substream *s;
404	u32 basic = 0;
405	u32 inte = 0;
406	int running = 0;
407
408	switch (cmd) {
409	case SNDRV_PCM_TRIGGER_START:
410		running=1;
411		break;
412	case SNDRV_PCM_TRIGGER_STOP:
413	default:
414		running = 0;
415		break;
416	}
417        snd_pcm_group_for_each_entry(s, substream) {
418		if (snd_pcm_substream_chip(s) != emu ||
419		    s->stream != SNDRV_PCM_STREAM_PLAYBACK)
420			continue;
421		runtime = s->runtime;
422		channel = substream->pcm->device-emu->p16v_device_offset;
423		/* dev_dbg(emu->card->dev, "p16v channel=%d\n", channel); */
424		runtime->private_data = (void *)(ptrdiff_t)running;
425		basic |= (0x1<<channel);
426		inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
427                snd_pcm_trigger_done(s, substream);
428        }
429	/* dev_dbg(emu->card->dev, "basic=0x%x, inte=0x%x\n", basic, inte); */
430
431	switch (cmd) {
432	case SNDRV_PCM_TRIGGER_START:
433		snd_p16v_intr_enable(emu, inte);
434		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)| (basic));
435		break;
436	case SNDRV_PCM_TRIGGER_STOP:
437		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
438		snd_p16v_intr_disable(emu, inte);
439		break;
440	default:
441		result = -EINVAL;
442		break;
443	}
444	return result;
445}
446
447/* trigger_capture callback */
448static int snd_p16v_pcm_trigger_capture(struct snd_pcm_substream *substream,
449                                   int cmd)
450{
451	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
452	struct snd_pcm_runtime *runtime = substream->runtime;
453	int channel = 0;
454	int result = 0;
455	u32 inte = INTE2_CAPTURE_CH_0_LOOP | INTE2_CAPTURE_CH_0_HALF_LOOP;
456
457	switch (cmd) {
458	case SNDRV_PCM_TRIGGER_START:
459		snd_p16v_intr_enable(emu, inte);
460		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
461		runtime->private_data = (void *)1;
462		break;
463	case SNDRV_PCM_TRIGGER_STOP:
464		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
465		snd_p16v_intr_disable(emu, inte);
466		//snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
467		runtime->private_data = NULL;
468		break;
469	default:
470		result = -EINVAL;
471		break;
472	}
473	return result;
474}
475
476/* pointer_playback callback */
477static snd_pcm_uframes_t
478snd_p16v_pcm_pointer_playback(struct snd_pcm_substream *substream)
479{
480	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
481	struct snd_pcm_runtime *runtime = substream->runtime;
482	snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0;
483	int channel = substream->pcm->device - emu->p16v_device_offset;
484
485	if (!runtime->private_data)
486		return 0;
487
488	ptr3 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
489	ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
490	ptr4 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
491	if (ptr3 != ptr4) ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
492	ptr2 = bytes_to_frames(runtime, ptr1);
493	ptr2+= (ptr4 >> 3) * runtime->period_size;
494	ptr=ptr2;
495        if (ptr >= runtime->buffer_size)
496		ptr -= runtime->buffer_size;
497
498	return ptr;
499}
500
501/* pointer_capture callback */
502static snd_pcm_uframes_t
503snd_p16v_pcm_pointer_capture(struct snd_pcm_substream *substream)
504{
505	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
506	struct snd_pcm_runtime *runtime = substream->runtime;
507	snd_pcm_uframes_t ptr, ptr1, ptr2 = 0;
508	int channel = 0;
509
510	if (!runtime->private_data)
511		return 0;
512
513	ptr1 = snd_emu10k1_ptr20_read(emu, CAPTURE_POINTER, channel);
514	ptr2 = bytes_to_frames(runtime, ptr1);
515	ptr=ptr2;
516	if (ptr >= runtime->buffer_size) {
517		ptr -= runtime->buffer_size;
518		dev_warn(emu->card->dev, "buffer capture limited!\n");
519	}
520	/*
521	dev_dbg(emu->card->dev, "ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, "
522	       "buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n",
523	       ptr1, ptr2, ptr, (int)runtime->buffer_size,
524	       (int)runtime->period_size, (int)runtime->frame_bits,
525	       (int)runtime->rate);
526	*/
527	return ptr;
528}
529
530/* operators */
531static const struct snd_pcm_ops snd_p16v_playback_front_ops = {
532	.open =        snd_p16v_pcm_open_playback_front,
533	.close =       snd_p16v_pcm_close_playback,
534	.prepare =     snd_p16v_pcm_prepare_playback,
535	.trigger =     snd_p16v_pcm_trigger_playback,
536	.pointer =     snd_p16v_pcm_pointer_playback,
537};
538
539static const struct snd_pcm_ops snd_p16v_capture_ops = {
540	.open =        snd_p16v_pcm_open_capture,
541	.close =       snd_p16v_pcm_close_capture,
542	.prepare =     snd_p16v_pcm_prepare_capture,
543	.trigger =     snd_p16v_pcm_trigger_capture,
544	.pointer =     snd_p16v_pcm_pointer_capture,
545};
546
547int snd_p16v_pcm(struct snd_emu10k1 *emu, int device)
548{
549	struct snd_pcm *pcm;
550	struct snd_pcm_substream *substream;
551	int err;
552        int capture=1;
553
554	/* dev_dbg(emu->card->dev, "snd_p16v_pcm called. device=%d\n", device); */
555	emu->p16v_device_offset = device;
556
557	err = snd_pcm_new(emu->card, "p16v", device, 1, capture, &pcm);
558	if (err < 0)
559		return err;
560
561	pcm->private_data = emu;
562	// Single playback 8 channel device.
563	// Single capture 2 channel device.
564	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_p16v_playback_front_ops);
565	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_p16v_capture_ops);
566
567	pcm->info_flags = 0;
568	pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
569	strcpy(pcm->name, "p16v");
570	emu->pcm_p16v = pcm;
571	emu->p16v_interrupt = snd_p16v_interrupt;
572
573	for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
574	    substream;
575	    substream = substream->next) {
576		snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
577					   &emu->pci->dev,
578					   (65536 - 64) * 8,
579					   (65536 - 64) * 8);
580		/*
581		dev_dbg(emu->card->dev,
582			   "preallocate playback substream: err=%d\n", err);
583		*/
584	}
585
586	for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
587	      substream;
588	      substream = substream->next) {
589		snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
590					   &emu->pci->dev,
591					   65536 - 64, 65536 - 64);
592		/*
593		dev_dbg(emu->card->dev,
594			   "preallocate capture substream: err=%d\n", err);
595		*/
596	}
597
598	return 0;
599}
600
601static int snd_p16v_volume_info(struct snd_kcontrol *kcontrol,
602				struct snd_ctl_elem_info *uinfo)
603{
604        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
605        uinfo->count = 2;
606        uinfo->value.integer.min = 0;
607        uinfo->value.integer.max = 255;
608        return 0;
609}
610
611static int snd_p16v_volume_get(struct snd_kcontrol *kcontrol,
612			       struct snd_ctl_elem_value *ucontrol)
613{
614        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
615	int high_low = (kcontrol->private_value >> 8) & 0xff;
616	int reg = kcontrol->private_value & 0xff;
617	u32 value;
618
619	value = snd_emu10k1_ptr20_read(emu, reg, high_low);
620	if (high_low) {
621		ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
622		ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
623	} else {
624		ucontrol->value.integer.value[0] = 0xff - ((value >> 8) & 0xff); /* Left */
625		ucontrol->value.integer.value[1] = 0xff - ((value >> 0) & 0xff); /* Right */
626	}
627	return 0;
628}
629
630static int snd_p16v_volume_put(struct snd_kcontrol *kcontrol,
631			       struct snd_ctl_elem_value *ucontrol)
632{
633        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
634	int high_low = (kcontrol->private_value >> 8) & 0xff;
635	int reg = kcontrol->private_value & 0xff;
636        u32 value, oval;
637
638	oval = value = snd_emu10k1_ptr20_read(emu, reg, 0);
639	if (high_low == 1) {
640		value &= 0xffff;
641		value |= ((0xff - ucontrol->value.integer.value[0]) << 24) |
642			((0xff - ucontrol->value.integer.value[1]) << 16);
643	} else {
644		value &= 0xffff0000;
645		value |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
646			((0xff - ucontrol->value.integer.value[1]) );
647	}
648	if (value != oval) {
649		snd_emu10k1_ptr20_write(emu, reg, 0, value);
650		return 1;
651	}
652	return 0;
653}
654
655static int snd_p16v_capture_source_info(struct snd_kcontrol *kcontrol,
656					struct snd_ctl_elem_info *uinfo)
657{
658	static const char * const texts[8] = {
659		"SPDIF", "I2S", "SRC48", "SRCMulti_SPDIF", "SRCMulti_I2S",
660		"CDIF", "FX", "AC97"
661	};
662
663	return snd_ctl_enum_info(uinfo, 1, 8, texts);
664}
665
666static int snd_p16v_capture_source_get(struct snd_kcontrol *kcontrol,
667					struct snd_ctl_elem_value *ucontrol)
668{
669	struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
670
671	ucontrol->value.enumerated.item[0] = emu->p16v_capture_source;
672	return 0;
673}
674
675static int snd_p16v_capture_source_put(struct snd_kcontrol *kcontrol,
676					struct snd_ctl_elem_value *ucontrol)
677{
678	struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
679	unsigned int val;
680	int change = 0;
681	u32 mask;
682	u32 source;
683
684	val = ucontrol->value.enumerated.item[0] ;
685	if (val > 7)
686		return -EINVAL;
687	change = (emu->p16v_capture_source != val);
688	if (change) {
689		emu->p16v_capture_source = val;
690		source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
691		mask = snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & 0xffff;
692		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, source | mask);
693	}
694        return change;
695}
696
697static int snd_p16v_capture_channel_info(struct snd_kcontrol *kcontrol,
698					 struct snd_ctl_elem_info *uinfo)
699{
700	static const char * const texts[4] = { "0", "1", "2", "3", };
701
702	return snd_ctl_enum_info(uinfo, 1, 4, texts);
703}
704
705static int snd_p16v_capture_channel_get(struct snd_kcontrol *kcontrol,
706					struct snd_ctl_elem_value *ucontrol)
707{
708	struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
709
710	ucontrol->value.enumerated.item[0] = emu->p16v_capture_channel;
711	return 0;
712}
713
714static int snd_p16v_capture_channel_put(struct snd_kcontrol *kcontrol,
715					struct snd_ctl_elem_value *ucontrol)
716{
717	struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
718	unsigned int val;
719	int change = 0;
720	u32 tmp;
721
722	val = ucontrol->value.enumerated.item[0] ;
723	if (val > 3)
724		return -EINVAL;
725	change = (emu->p16v_capture_channel != val);
726	if (change) {
727		emu->p16v_capture_channel = val;
728		tmp = snd_emu10k1_ptr20_read(emu, CAPTURE_P16V_SOURCE, 0) & 0xfffc;
729		snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, tmp | val);
730	}
731        return change;
732}
733static const DECLARE_TLV_DB_SCALE(snd_p16v_db_scale1, -5175, 25, 1);
734
735#define P16V_VOL(xname,xreg,xhl) { \
736	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
737        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
738                  SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
739	.info = snd_p16v_volume_info, \
740	.get = snd_p16v_volume_get, \
741	.put = snd_p16v_volume_put, \
742	.tlv = { .p = snd_p16v_db_scale1 },	\
743	.private_value = ((xreg) | ((xhl) << 8)) \
744}
745
746static const struct snd_kcontrol_new p16v_mixer_controls[] = {
747	P16V_VOL("HD Analog Front Playback Volume", PLAYBACK_VOLUME_MIXER9, 0),
748	P16V_VOL("HD Analog Rear Playback Volume", PLAYBACK_VOLUME_MIXER10, 1),
749	P16V_VOL("HD Analog Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER9, 1),
750	P16V_VOL("HD Analog Side Playback Volume", PLAYBACK_VOLUME_MIXER10, 0),
751	P16V_VOL("HD SPDIF Front Playback Volume", PLAYBACK_VOLUME_MIXER7, 0),
752	P16V_VOL("HD SPDIF Rear Playback Volume", PLAYBACK_VOLUME_MIXER8, 1),
753	P16V_VOL("HD SPDIF Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER7, 1),
754	P16V_VOL("HD SPDIF Side Playback Volume", PLAYBACK_VOLUME_MIXER8, 0),
755	{
756		.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
757		.name =		"HD source Capture",
758		.info =		snd_p16v_capture_source_info,
759		.get =		snd_p16v_capture_source_get,
760		.put =		snd_p16v_capture_source_put
761	},
762	{
763		.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
764		.name =		"HD channel Capture",
765		.info =		snd_p16v_capture_channel_info,
766		.get =		snd_p16v_capture_channel_get,
767		.put =		snd_p16v_capture_channel_put
768	},
769};
770
771
772int snd_p16v_mixer(struct snd_emu10k1 *emu)
773{
774	int i, err;
775        struct snd_card *card = emu->card;
776
777	for (i = 0; i < ARRAY_SIZE(p16v_mixer_controls); i++) {
778		err = snd_ctl_add(card, snd_ctl_new1(&p16v_mixer_controls[i], emu));
779		if (err < 0)
780			return err;
781	}
782        return 0;
783}
784
785#ifdef CONFIG_PM_SLEEP
786
787#define NUM_CHS	1	/* up to 4, but only first channel is used */
788
789int snd_p16v_alloc_pm_buffer(struct snd_emu10k1 *emu)
790{
791	emu->p16v_saved = vmalloc(array_size(NUM_CHS * 4, 0x80));
792	if (! emu->p16v_saved)
793		return -ENOMEM;
794	return 0;
795}
796
797void snd_p16v_free_pm_buffer(struct snd_emu10k1 *emu)
798{
799	vfree(emu->p16v_saved);
800}
801
802void snd_p16v_suspend(struct snd_emu10k1 *emu)
803{
804	int i, ch;
805	unsigned int *val;
806
807	val = emu->p16v_saved;
808	for (ch = 0; ch < NUM_CHS; ch++)
809		for (i = 0; i < 0x80; i++, val++)
810			*val = snd_emu10k1_ptr20_read(emu, i, ch);
811}
812
813void snd_p16v_resume(struct snd_emu10k1 *emu)
814{
815	int i, ch;
816	unsigned int *val;
817
818	val = emu->p16v_saved;
819	for (ch = 0; ch < NUM_CHS; ch++)
820		for (i = 0; i < 0x80; i++, val++)
821			snd_emu10k1_ptr20_write(emu, i, ch, *val);
822}
823#endif
824