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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * The driver for the ForteMedia FM801 based soundcards
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 */
6
7#include <linux/delay.h>
8#include <linux/init.h>
9#include <linux/interrupt.h>
10#include <linux/io.h>
11#include <linux/pci.h>
12#include <linux/slab.h>
13#include <linux/module.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/tlv.h>
17#include <sound/ac97_codec.h>
18#include <sound/mpu401.h>
19#include <sound/opl3.h>
20#include <sound/initval.h>
21
22#ifdef CONFIG_SND_FM801_TEA575X_BOOL
23#include <media/drv-intf/tea575x.h>
24#endif
25
26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27MODULE_DESCRIPTION("ForteMedia FM801");
28MODULE_LICENSE("GPL");
29MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
30 "{Genius,SoundMaker Live 5.1}}");
31
32static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
33static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
34static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
35/*
36 * Enable TEA575x tuner
37 * 1 = MediaForte 256-PCS
38 * 2 = MediaForte 256-PCP
39 * 3 = MediaForte 64-PCR
40 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
41 * High 16-bits are video (radio) device number + 1
42 */
43static int tea575x_tuner[SNDRV_CARDS];
44static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
45
46module_param_array(index, int, NULL, 0444);
47MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
48module_param_array(id, charp, NULL, 0444);
49MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
50module_param_array(enable, bool, NULL, 0444);
51MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
52module_param_array(tea575x_tuner, int, NULL, 0444);
53MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
54module_param_array(radio_nr, int, NULL, 0444);
55MODULE_PARM_DESC(radio_nr, "Radio device numbers");
56
57
58#define TUNER_DISABLED (1<<3)
59#define TUNER_ONLY (1<<4)
60#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
61
62/*
63 * Direct registers
64 */
65
66#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
67#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
68
69#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
70
71#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
72#define FM801_FM_VOL 0x02 /* FM Output Volume */
73#define FM801_I2S_VOL 0x04 /* I2S Volume */
74#define FM801_REC_SRC 0x06 /* Record Source */
75#define FM801_PLY_CTRL 0x08 /* Playback Control */
76#define FM801_PLY_COUNT 0x0a /* Playback Count */
77#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
78#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
79#define FM801_CAP_CTRL 0x14 /* Capture Control */
80#define FM801_CAP_COUNT 0x16 /* Capture Count */
81#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
82#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
83#define FM801_CODEC_CTRL 0x22 /* Codec Control */
84#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
85#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
86#define FM801_I2C_CTRL 0x29 /* I2C Control */
87#define FM801_AC97_CMD 0x2a /* AC'97 Command */
88#define FM801_AC97_DATA 0x2c /* AC'97 Data */
89#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
90#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
91#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
92#define FM801_GEN_CTRL 0x54 /* General Control */
93#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
94#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
95#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
96#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
97#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
98#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
99#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
100
101/* codec access */
102#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
103#define FM801_AC97_VALID (1<<8) /* port valid=1 */
104#define FM801_AC97_BUSY (1<<9) /* busy=1 */
105#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
106
107/* playback and record control register bits */
108#define FM801_BUF1_LAST (1<<1)
109#define FM801_BUF2_LAST (1<<2)
110#define FM801_START (1<<5)
111#define FM801_PAUSE (1<<6)
112#define FM801_IMMED_STOP (1<<7)
113#define FM801_RATE_SHIFT 8
114#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
115#define FM801_CHANNELS_4 (1<<12) /* playback only */
116#define FM801_CHANNELS_6 (2<<12) /* playback only */
117#define FM801_CHANNELS_6MS (3<<12) /* playback only */
118#define FM801_CHANNELS_MASK (3<<12)
119#define FM801_16BIT (1<<14)
120#define FM801_STEREO (1<<15)
121
122/* IRQ status bits */
123#define FM801_IRQ_PLAYBACK (1<<8)
124#define FM801_IRQ_CAPTURE (1<<9)
125#define FM801_IRQ_VOLUME (1<<14)
126#define FM801_IRQ_MPU (1<<15)
127
128/* GPIO control register */
129#define FM801_GPIO_GP0 (1<<0) /* read/write */
130#define FM801_GPIO_GP1 (1<<1)
131#define FM801_GPIO_GP2 (1<<2)
132#define FM801_GPIO_GP3 (1<<3)
133#define FM801_GPIO_GP(x) (1<<(0+(x)))
134#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
135#define FM801_GPIO_GD1 (1<<9)
136#define FM801_GPIO_GD2 (1<<10)
137#define FM801_GPIO_GD3 (1<<11)
138#define FM801_GPIO_GD(x) (1<<(8+(x)))
139#define FM801_GPIO_GS0 (1<<12) /* function select: */
140#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
141#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
142#define FM801_GPIO_GS3 (1<<15)
143#define FM801_GPIO_GS(x) (1<<(12+(x)))
144
145/**
146 * struct fm801 - describes FM801 chip
147 * @dev: device for this chio
148 * @irq: irq number
149 * @port: I/O port number
150 * @multichannel: multichannel support
151 * @secondary: secondary codec
152 * @secondary_addr: address of the secondary codec
153 * @tea575x_tuner: tuner access method & flags
154 * @ply_ctrl: playback control
155 * @cap_ctrl: capture control
156 * @ply_buffer: playback buffer
157 * @ply_buf: playback buffer index
158 * @ply_count: playback buffer count
159 * @ply_size: playback buffer size
160 * @ply_pos: playback position
161 * @cap_buffer: capture buffer
162 * @cap_buf: capture buffer index
163 * @cap_count: capture buffer count
164 * @cap_size: capture buffer size
165 * @cap_pos: capture position
166 * @ac97_bus: ac97 bus handle
167 * @ac97: ac97 handle
168 * @ac97_sec: ac97 secondary handle
169 * @card: ALSA card
170 * @pcm: PCM devices
171 * @rmidi: rmidi device
172 * @playback_substream: substream for playback
173 * @capture_substream: substream for capture
174 * @p_dma_size: playback DMA size
175 * @c_dma_size: capture DMA size
176 * @reg_lock: lock
177 * @proc_entry: /proc entry
178 * @v4l2_dev: v4l2 device
179 * @tea: tea575a structure
180 * @saved_regs: context saved during suspend
181 */
182struct fm801 {
183 struct device *dev;
184 int irq;
185
186 unsigned long port;
187 unsigned int multichannel: 1,
188 secondary: 1;
189 unsigned char secondary_addr;
190 unsigned int tea575x_tuner;
191
192 unsigned short ply_ctrl;
193 unsigned short cap_ctrl;
194
195 unsigned long ply_buffer;
196 unsigned int ply_buf;
197 unsigned int ply_count;
198 unsigned int ply_size;
199 unsigned int ply_pos;
200
201 unsigned long cap_buffer;
202 unsigned int cap_buf;
203 unsigned int cap_count;
204 unsigned int cap_size;
205 unsigned int cap_pos;
206
207 struct snd_ac97_bus *ac97_bus;
208 struct snd_ac97 *ac97;
209 struct snd_ac97 *ac97_sec;
210
211 struct snd_card *card;
212 struct snd_pcm *pcm;
213 struct snd_rawmidi *rmidi;
214 struct snd_pcm_substream *playback_substream;
215 struct snd_pcm_substream *capture_substream;
216 unsigned int p_dma_size;
217 unsigned int c_dma_size;
218
219 spinlock_t reg_lock;
220 struct snd_info_entry *proc_entry;
221
222#ifdef CONFIG_SND_FM801_TEA575X_BOOL
223 struct v4l2_device v4l2_dev;
224 struct snd_tea575x tea;
225#endif
226
227#ifdef CONFIG_PM_SLEEP
228 u16 saved_regs[0x20];
229#endif
230};
231
232/*
233 * IO accessors
234 */
235
236static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
237{
238 outw(value, chip->port + offset);
239}
240
241static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
242{
243 return inw(chip->port + offset);
244}
245
246static const struct pci_device_id snd_fm801_ids[] = {
247 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
248 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
249 { 0, }
250};
251
252MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
253
254/*
255 * common I/O routines
256 */
257
258static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
259{
260 unsigned int idx;
261
262 for (idx = 0; idx < iterations; idx++) {
263 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
264 return true;
265 udelay(10);
266 }
267 return false;
268}
269
270static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
271{
272 unsigned int idx;
273
274 for (idx = 0; idx < iterations; idx++) {
275 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
276 return true;
277 udelay(10);
278 }
279 return false;
280}
281
282static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
283 unsigned short mask, unsigned short value)
284{
285 int change;
286 unsigned long flags;
287 unsigned short old, new;
288
289 spin_lock_irqsave(&chip->reg_lock, flags);
290 old = fm801_ioread16(chip, reg);
291 new = (old & ~mask) | value;
292 change = old != new;
293 if (change)
294 fm801_iowrite16(chip, reg, new);
295 spin_unlock_irqrestore(&chip->reg_lock, flags);
296 return change;
297}
298
299static void snd_fm801_codec_write(struct snd_ac97 *ac97,
300 unsigned short reg,
301 unsigned short val)
302{
303 struct fm801 *chip = ac97->private_data;
304
305 /*
306 * Wait until the codec interface is not ready..
307 */
308 if (!fm801_ac97_is_ready(chip, 100)) {
309 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
310 return;
311 }
312
313 /* write data and address */
314 fm801_writew(chip, AC97_DATA, val);
315 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
316 /*
317 * Wait until the write command is not completed..
318 */
319 if (!fm801_ac97_is_ready(chip, 1000))
320 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
321 ac97->num);
322}
323
324static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
325{
326 struct fm801 *chip = ac97->private_data;
327
328 /*
329 * Wait until the codec interface is not ready..
330 */
331 if (!fm801_ac97_is_ready(chip, 100)) {
332 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
333 return 0;
334 }
335
336 /* read command */
337 fm801_writew(chip, AC97_CMD,
338 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
339 if (!fm801_ac97_is_ready(chip, 100)) {
340 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
341 ac97->num);
342 return 0;
343 }
344
345 if (!fm801_ac97_is_valid(chip, 1000)) {
346 dev_err(chip->card->dev,
347 "AC'97 interface #%d is not valid (2)\n", ac97->num);
348 return 0;
349 }
350
351 return fm801_readw(chip, AC97_DATA);
352}
353
354static const unsigned int rates[] = {
355 5500, 8000, 9600, 11025,
356 16000, 19200, 22050, 32000,
357 38400, 44100, 48000
358};
359
360static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
361 .count = ARRAY_SIZE(rates),
362 .list = rates,
363 .mask = 0,
364};
365
366static const unsigned int channels[] = {
367 2, 4, 6
368};
369
370static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
371 .count = ARRAY_SIZE(channels),
372 .list = channels,
373 .mask = 0,
374};
375
376/*
377 * Sample rate routines
378 */
379
380static unsigned short snd_fm801_rate_bits(unsigned int rate)
381{
382 unsigned int idx;
383
384 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
385 if (rates[idx] == rate)
386 return idx;
387 snd_BUG();
388 return ARRAY_SIZE(rates) - 1;
389}
390
391/*
392 * PCM part
393 */
394
395static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
396 int cmd)
397{
398 struct fm801 *chip = snd_pcm_substream_chip(substream);
399
400 spin_lock(&chip->reg_lock);
401 switch (cmd) {
402 case SNDRV_PCM_TRIGGER_START:
403 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
404 FM801_BUF2_LAST |
405 FM801_PAUSE);
406 chip->ply_ctrl |= FM801_START |
407 FM801_IMMED_STOP;
408 break;
409 case SNDRV_PCM_TRIGGER_STOP:
410 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
411 break;
412 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
413 case SNDRV_PCM_TRIGGER_SUSPEND:
414 chip->ply_ctrl |= FM801_PAUSE;
415 break;
416 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
417 case SNDRV_PCM_TRIGGER_RESUME:
418 chip->ply_ctrl &= ~FM801_PAUSE;
419 break;
420 default:
421 spin_unlock(&chip->reg_lock);
422 snd_BUG();
423 return -EINVAL;
424 }
425 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
426 spin_unlock(&chip->reg_lock);
427 return 0;
428}
429
430static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
431 int cmd)
432{
433 struct fm801 *chip = snd_pcm_substream_chip(substream);
434
435 spin_lock(&chip->reg_lock);
436 switch (cmd) {
437 case SNDRV_PCM_TRIGGER_START:
438 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
439 FM801_BUF2_LAST |
440 FM801_PAUSE);
441 chip->cap_ctrl |= FM801_START |
442 FM801_IMMED_STOP;
443 break;
444 case SNDRV_PCM_TRIGGER_STOP:
445 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
446 break;
447 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
448 case SNDRV_PCM_TRIGGER_SUSPEND:
449 chip->cap_ctrl |= FM801_PAUSE;
450 break;
451 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
452 case SNDRV_PCM_TRIGGER_RESUME:
453 chip->cap_ctrl &= ~FM801_PAUSE;
454 break;
455 default:
456 spin_unlock(&chip->reg_lock);
457 snd_BUG();
458 return -EINVAL;
459 }
460 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
461 spin_unlock(&chip->reg_lock);
462 return 0;
463}
464
465static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
466{
467 struct fm801 *chip = snd_pcm_substream_chip(substream);
468 struct snd_pcm_runtime *runtime = substream->runtime;
469
470 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
471 chip->ply_count = snd_pcm_lib_period_bytes(substream);
472 spin_lock_irq(&chip->reg_lock);
473 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
474 FM801_STEREO | FM801_RATE_MASK |
475 FM801_CHANNELS_MASK);
476 if (snd_pcm_format_width(runtime->format) == 16)
477 chip->ply_ctrl |= FM801_16BIT;
478 if (runtime->channels > 1) {
479 chip->ply_ctrl |= FM801_STEREO;
480 if (runtime->channels == 4)
481 chip->ply_ctrl |= FM801_CHANNELS_4;
482 else if (runtime->channels == 6)
483 chip->ply_ctrl |= FM801_CHANNELS_6;
484 }
485 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
486 chip->ply_buf = 0;
487 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
488 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
489 chip->ply_buffer = runtime->dma_addr;
490 chip->ply_pos = 0;
491 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
492 fm801_writel(chip, PLY_BUF2,
493 chip->ply_buffer + (chip->ply_count % chip->ply_size));
494 spin_unlock_irq(&chip->reg_lock);
495 return 0;
496}
497
498static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
499{
500 struct fm801 *chip = snd_pcm_substream_chip(substream);
501 struct snd_pcm_runtime *runtime = substream->runtime;
502
503 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
504 chip->cap_count = snd_pcm_lib_period_bytes(substream);
505 spin_lock_irq(&chip->reg_lock);
506 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
507 FM801_STEREO | FM801_RATE_MASK);
508 if (snd_pcm_format_width(runtime->format) == 16)
509 chip->cap_ctrl |= FM801_16BIT;
510 if (runtime->channels > 1)
511 chip->cap_ctrl |= FM801_STEREO;
512 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
513 chip->cap_buf = 0;
514 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
515 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
516 chip->cap_buffer = runtime->dma_addr;
517 chip->cap_pos = 0;
518 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
519 fm801_writel(chip, CAP_BUF2,
520 chip->cap_buffer + (chip->cap_count % chip->cap_size));
521 spin_unlock_irq(&chip->reg_lock);
522 return 0;
523}
524
525static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
526{
527 struct fm801 *chip = snd_pcm_substream_chip(substream);
528 size_t ptr;
529
530 if (!(chip->ply_ctrl & FM801_START))
531 return 0;
532 spin_lock(&chip->reg_lock);
533 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
534 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
535 ptr += chip->ply_count;
536 ptr %= chip->ply_size;
537 }
538 spin_unlock(&chip->reg_lock);
539 return bytes_to_frames(substream->runtime, ptr);
540}
541
542static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
543{
544 struct fm801 *chip = snd_pcm_substream_chip(substream);
545 size_t ptr;
546
547 if (!(chip->cap_ctrl & FM801_START))
548 return 0;
549 spin_lock(&chip->reg_lock);
550 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
551 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
552 ptr += chip->cap_count;
553 ptr %= chip->cap_size;
554 }
555 spin_unlock(&chip->reg_lock);
556 return bytes_to_frames(substream->runtime, ptr);
557}
558
559static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
560{
561 struct fm801 *chip = dev_id;
562 unsigned short status;
563 unsigned int tmp;
564
565 status = fm801_readw(chip, IRQ_STATUS);
566 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
567 if (! status)
568 return IRQ_NONE;
569 /* ack first */
570 fm801_writew(chip, IRQ_STATUS, status);
571 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
572 spin_lock(&chip->reg_lock);
573 chip->ply_buf++;
574 chip->ply_pos += chip->ply_count;
575 chip->ply_pos %= chip->ply_size;
576 tmp = chip->ply_pos + chip->ply_count;
577 tmp %= chip->ply_size;
578 if (chip->ply_buf & 1)
579 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
580 else
581 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
582 spin_unlock(&chip->reg_lock);
583 snd_pcm_period_elapsed(chip->playback_substream);
584 }
585 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
586 spin_lock(&chip->reg_lock);
587 chip->cap_buf++;
588 chip->cap_pos += chip->cap_count;
589 chip->cap_pos %= chip->cap_size;
590 tmp = chip->cap_pos + chip->cap_count;
591 tmp %= chip->cap_size;
592 if (chip->cap_buf & 1)
593 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
594 else
595 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
596 spin_unlock(&chip->reg_lock);
597 snd_pcm_period_elapsed(chip->capture_substream);
598 }
599 if (chip->rmidi && (status & FM801_IRQ_MPU))
600 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
601 if (status & FM801_IRQ_VOLUME) {
602 /* TODO */
603 }
604
605 return IRQ_HANDLED;
606}
607
608static const struct snd_pcm_hardware snd_fm801_playback =
609{
610 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
611 SNDRV_PCM_INFO_BLOCK_TRANSFER |
612 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
613 SNDRV_PCM_INFO_MMAP_VALID),
614 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
615 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
616 .rate_min = 5500,
617 .rate_max = 48000,
618 .channels_min = 1,
619 .channels_max = 2,
620 .buffer_bytes_max = (128*1024),
621 .period_bytes_min = 64,
622 .period_bytes_max = (128*1024),
623 .periods_min = 1,
624 .periods_max = 1024,
625 .fifo_size = 0,
626};
627
628static const struct snd_pcm_hardware snd_fm801_capture =
629{
630 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
631 SNDRV_PCM_INFO_BLOCK_TRANSFER |
632 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
633 SNDRV_PCM_INFO_MMAP_VALID),
634 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
635 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
636 .rate_min = 5500,
637 .rate_max = 48000,
638 .channels_min = 1,
639 .channels_max = 2,
640 .buffer_bytes_max = (128*1024),
641 .period_bytes_min = 64,
642 .period_bytes_max = (128*1024),
643 .periods_min = 1,
644 .periods_max = 1024,
645 .fifo_size = 0,
646};
647
648static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
649{
650 struct fm801 *chip = snd_pcm_substream_chip(substream);
651 struct snd_pcm_runtime *runtime = substream->runtime;
652 int err;
653
654 chip->playback_substream = substream;
655 runtime->hw = snd_fm801_playback;
656 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
657 &hw_constraints_rates);
658 if (chip->multichannel) {
659 runtime->hw.channels_max = 6;
660 snd_pcm_hw_constraint_list(runtime, 0,
661 SNDRV_PCM_HW_PARAM_CHANNELS,
662 &hw_constraints_channels);
663 }
664 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
665 return err;
666 return 0;
667}
668
669static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
670{
671 struct fm801 *chip = snd_pcm_substream_chip(substream);
672 struct snd_pcm_runtime *runtime = substream->runtime;
673 int err;
674
675 chip->capture_substream = substream;
676 runtime->hw = snd_fm801_capture;
677 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
678 &hw_constraints_rates);
679 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
680 return err;
681 return 0;
682}
683
684static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
685{
686 struct fm801 *chip = snd_pcm_substream_chip(substream);
687
688 chip->playback_substream = NULL;
689 return 0;
690}
691
692static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
693{
694 struct fm801 *chip = snd_pcm_substream_chip(substream);
695
696 chip->capture_substream = NULL;
697 return 0;
698}
699
700static const struct snd_pcm_ops snd_fm801_playback_ops = {
701 .open = snd_fm801_playback_open,
702 .close = snd_fm801_playback_close,
703 .prepare = snd_fm801_playback_prepare,
704 .trigger = snd_fm801_playback_trigger,
705 .pointer = snd_fm801_playback_pointer,
706};
707
708static const struct snd_pcm_ops snd_fm801_capture_ops = {
709 .open = snd_fm801_capture_open,
710 .close = snd_fm801_capture_close,
711 .prepare = snd_fm801_capture_prepare,
712 .trigger = snd_fm801_capture_trigger,
713 .pointer = snd_fm801_capture_pointer,
714};
715
716static int snd_fm801_pcm(struct fm801 *chip, int device)
717{
718 struct pci_dev *pdev = to_pci_dev(chip->dev);
719 struct snd_pcm *pcm;
720 int err;
721
722 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
723 return err;
724
725 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
726 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
727
728 pcm->private_data = chip;
729 pcm->info_flags = 0;
730 strcpy(pcm->name, "FM801");
731 chip->pcm = pcm;
732
733 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
734 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
735
736 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
737 snd_pcm_alt_chmaps,
738 chip->multichannel ? 6 : 2, 0,
739 NULL);
740}
741
742/*
743 * TEA5757 radio
744 */
745
746#ifdef CONFIG_SND_FM801_TEA575X_BOOL
747
748/* GPIO to TEA575x maps */
749struct snd_fm801_tea575x_gpio {
750 u8 data, clk, wren, most;
751 char *name;
752};
753
754static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
755 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
756 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
757 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
758};
759
760#define get_tea575x_gpio(chip) \
761 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
762
763static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
764{
765 struct fm801 *chip = tea->private_data;
766 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
767 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
768
769 reg &= ~(FM801_GPIO_GP(gpio.data) |
770 FM801_GPIO_GP(gpio.clk) |
771 FM801_GPIO_GP(gpio.wren));
772
773 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
774 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
775 /* WRITE_ENABLE is inverted */
776 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
777
778 fm801_writew(chip, GPIO_CTRL, reg);
779}
780
781static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
782{
783 struct fm801 *chip = tea->private_data;
784 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
785 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
786 u8 ret;
787
788 ret = 0;
789 if (reg & FM801_GPIO_GP(gpio.data))
790 ret |= TEA575X_DATA;
791 if (reg & FM801_GPIO_GP(gpio.most))
792 ret |= TEA575X_MOST;
793 return ret;
794}
795
796static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
797{
798 struct fm801 *chip = tea->private_data;
799 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
800 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
801
802 /* use GPIO lines and set write enable bit */
803 reg |= FM801_GPIO_GS(gpio.data) |
804 FM801_GPIO_GS(gpio.wren) |
805 FM801_GPIO_GS(gpio.clk) |
806 FM801_GPIO_GS(gpio.most);
807 if (output) {
808 /* all of lines are in the write direction */
809 /* clear data and clock lines */
810 reg &= ~(FM801_GPIO_GD(gpio.data) |
811 FM801_GPIO_GD(gpio.wren) |
812 FM801_GPIO_GD(gpio.clk) |
813 FM801_GPIO_GP(gpio.data) |
814 FM801_GPIO_GP(gpio.clk) |
815 FM801_GPIO_GP(gpio.wren));
816 } else {
817 /* use GPIO lines, set data direction to input */
818 reg |= FM801_GPIO_GD(gpio.data) |
819 FM801_GPIO_GD(gpio.most) |
820 FM801_GPIO_GP(gpio.data) |
821 FM801_GPIO_GP(gpio.most) |
822 FM801_GPIO_GP(gpio.wren);
823 /* all of lines are in the write direction, except data */
824 /* clear data, write enable and clock lines */
825 reg &= ~(FM801_GPIO_GD(gpio.wren) |
826 FM801_GPIO_GD(gpio.clk) |
827 FM801_GPIO_GP(gpio.clk));
828 }
829
830 fm801_writew(chip, GPIO_CTRL, reg);
831}
832
833static const struct snd_tea575x_ops snd_fm801_tea_ops = {
834 .set_pins = snd_fm801_tea575x_set_pins,
835 .get_pins = snd_fm801_tea575x_get_pins,
836 .set_direction = snd_fm801_tea575x_set_direction,
837};
838#endif
839
840/*
841 * Mixer routines
842 */
843
844#define FM801_SINGLE(xname, reg, shift, mask, invert) \
845{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
846 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
847 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
848
849static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
850 struct snd_ctl_elem_info *uinfo)
851{
852 int mask = (kcontrol->private_value >> 16) & 0xff;
853
854 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
855 uinfo->count = 1;
856 uinfo->value.integer.min = 0;
857 uinfo->value.integer.max = mask;
858 return 0;
859}
860
861static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
862 struct snd_ctl_elem_value *ucontrol)
863{
864 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
865 int reg = kcontrol->private_value & 0xff;
866 int shift = (kcontrol->private_value >> 8) & 0xff;
867 int mask = (kcontrol->private_value >> 16) & 0xff;
868 int invert = (kcontrol->private_value >> 24) & 0xff;
869 long *value = ucontrol->value.integer.value;
870
871 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
872 if (invert)
873 value[0] = mask - value[0];
874 return 0;
875}
876
877static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
878 struct snd_ctl_elem_value *ucontrol)
879{
880 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
881 int reg = kcontrol->private_value & 0xff;
882 int shift = (kcontrol->private_value >> 8) & 0xff;
883 int mask = (kcontrol->private_value >> 16) & 0xff;
884 int invert = (kcontrol->private_value >> 24) & 0xff;
885 unsigned short val;
886
887 val = (ucontrol->value.integer.value[0] & mask);
888 if (invert)
889 val = mask - val;
890 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
891}
892
893#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
894{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
895 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
896 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
897#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
898{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
899 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
900 .name = xname, .info = snd_fm801_info_double, \
901 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
902 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
903 .tlv = { .p = (xtlv) } }
904
905static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
906 struct snd_ctl_elem_info *uinfo)
907{
908 int mask = (kcontrol->private_value >> 16) & 0xff;
909
910 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
911 uinfo->count = 2;
912 uinfo->value.integer.min = 0;
913 uinfo->value.integer.max = mask;
914 return 0;
915}
916
917static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
918 struct snd_ctl_elem_value *ucontrol)
919{
920 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
921 int reg = kcontrol->private_value & 0xff;
922 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
923 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
924 int mask = (kcontrol->private_value >> 16) & 0xff;
925 int invert = (kcontrol->private_value >> 24) & 0xff;
926 long *value = ucontrol->value.integer.value;
927
928 spin_lock_irq(&chip->reg_lock);
929 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
930 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
931 spin_unlock_irq(&chip->reg_lock);
932 if (invert) {
933 value[0] = mask - value[0];
934 value[1] = mask - value[1];
935 }
936 return 0;
937}
938
939static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
940 struct snd_ctl_elem_value *ucontrol)
941{
942 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
943 int reg = kcontrol->private_value & 0xff;
944 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
945 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
946 int mask = (kcontrol->private_value >> 16) & 0xff;
947 int invert = (kcontrol->private_value >> 24) & 0xff;
948 unsigned short val1, val2;
949
950 val1 = ucontrol->value.integer.value[0] & mask;
951 val2 = ucontrol->value.integer.value[1] & mask;
952 if (invert) {
953 val1 = mask - val1;
954 val2 = mask - val2;
955 }
956 return snd_fm801_update_bits(chip, reg,
957 (mask << shift_left) | (mask << shift_right),
958 (val1 << shift_left ) | (val2 << shift_right));
959}
960
961static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
962 struct snd_ctl_elem_info *uinfo)
963{
964 static const char * const texts[5] = {
965 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
966 };
967
968 return snd_ctl_enum_info(uinfo, 1, 5, texts);
969}
970
971static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
972 struct snd_ctl_elem_value *ucontrol)
973{
974 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
975 unsigned short val;
976
977 val = fm801_readw(chip, REC_SRC) & 7;
978 if (val > 4)
979 val = 4;
980 ucontrol->value.enumerated.item[0] = val;
981 return 0;
982}
983
984static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
985 struct snd_ctl_elem_value *ucontrol)
986{
987 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
988 unsigned short val;
989
990 if ((val = ucontrol->value.enumerated.item[0]) > 4)
991 return -EINVAL;
992 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
993}
994
995static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
996
997#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
998
999static const struct snd_kcontrol_new snd_fm801_controls[] = {
1000FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1001 db_scale_dsp),
1002FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1003FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1004 db_scale_dsp),
1005FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1006FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1007 db_scale_dsp),
1008FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1009{
1010 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1011 .name = "Digital Capture Source",
1012 .info = snd_fm801_info_mux,
1013 .get = snd_fm801_get_mux,
1014 .put = snd_fm801_put_mux,
1015}
1016};
1017
1018#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1019
1020static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1021FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1022FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1023FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1024FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1025FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1026FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1027};
1028
1029static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1030{
1031 struct fm801 *chip = bus->private_data;
1032 chip->ac97_bus = NULL;
1033}
1034
1035static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1036{
1037 struct fm801 *chip = ac97->private_data;
1038 if (ac97->num == 0) {
1039 chip->ac97 = NULL;
1040 } else {
1041 chip->ac97_sec = NULL;
1042 }
1043}
1044
1045static int snd_fm801_mixer(struct fm801 *chip)
1046{
1047 struct snd_ac97_template ac97;
1048 unsigned int i;
1049 int err;
1050 static const struct snd_ac97_bus_ops ops = {
1051 .write = snd_fm801_codec_write,
1052 .read = snd_fm801_codec_read,
1053 };
1054
1055 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1056 return err;
1057 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1058
1059 memset(&ac97, 0, sizeof(ac97));
1060 ac97.private_data = chip;
1061 ac97.private_free = snd_fm801_mixer_free_ac97;
1062 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1063 return err;
1064 if (chip->secondary) {
1065 ac97.num = 1;
1066 ac97.addr = chip->secondary_addr;
1067 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1068 return err;
1069 }
1070 for (i = 0; i < FM801_CONTROLS; i++) {
1071 err = snd_ctl_add(chip->card,
1072 snd_ctl_new1(&snd_fm801_controls[i], chip));
1073 if (err < 0)
1074 return err;
1075 }
1076 if (chip->multichannel) {
1077 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1078 err = snd_ctl_add(chip->card,
1079 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1080 if (err < 0)
1081 return err;
1082 }
1083 }
1084 return 0;
1085}
1086
1087/*
1088 * initialization routines
1089 */
1090
1091static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1092 unsigned short reg, unsigned long waits)
1093{
1094 unsigned long timeout = jiffies + waits;
1095
1096 fm801_writew(chip, AC97_CMD,
1097 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1098 udelay(5);
1099 do {
1100 if ((fm801_readw(chip, AC97_CMD) &
1101 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1102 return 0;
1103 schedule_timeout_uninterruptible(1);
1104 } while (time_after(timeout, jiffies));
1105 return -EIO;
1106}
1107
1108static int reset_codec(struct fm801 *chip)
1109{
1110 /* codec cold reset + AC'97 warm reset */
1111 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1112 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1113 udelay(100);
1114 fm801_writew(chip, CODEC_CTRL, 0);
1115
1116 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1117}
1118
1119static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1120{
1121 unsigned short cmdw;
1122
1123 if (chip->multichannel) {
1124 if (chip->secondary_addr) {
1125 wait_for_codec(chip, chip->secondary_addr,
1126 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1127 } else {
1128 /* my card has the secondary codec */
1129 /* at address #3, so the loop is inverted */
1130 int i;
1131 for (i = 3; i > 0; i--) {
1132 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1133 msecs_to_jiffies(50))) {
1134 cmdw = fm801_readw(chip, AC97_DATA);
1135 if (cmdw != 0xffff && cmdw != 0) {
1136 chip->secondary = 1;
1137 chip->secondary_addr = i;
1138 break;
1139 }
1140 }
1141 }
1142 }
1143
1144 /* the recovery phase, it seems that probing for non-existing codec might */
1145 /* cause timeout problems */
1146 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1147 }
1148}
1149
1150static void snd_fm801_chip_init(struct fm801 *chip)
1151{
1152 unsigned short cmdw;
1153
1154 /* init volume */
1155 fm801_writew(chip, PCM_VOL, 0x0808);
1156 fm801_writew(chip, FM_VOL, 0x9f1f);
1157 fm801_writew(chip, I2S_VOL, 0x8808);
1158
1159 /* I2S control - I2S mode */
1160 fm801_writew(chip, I2S_MODE, 0x0003);
1161
1162 /* interrupt setup */
1163 cmdw = fm801_readw(chip, IRQ_MASK);
1164 if (chip->irq < 0)
1165 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1166 else
1167 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1168 fm801_writew(chip, IRQ_MASK, cmdw);
1169
1170 /* interrupt clear */
1171 fm801_writew(chip, IRQ_STATUS,
1172 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1173}
1174
1175static int snd_fm801_free(struct fm801 *chip)
1176{
1177 unsigned short cmdw;
1178
1179 if (chip->irq < 0)
1180 goto __end_hw;
1181
1182 /* interrupt setup - mask everything */
1183 cmdw = fm801_readw(chip, IRQ_MASK);
1184 cmdw |= 0x00c3;
1185 fm801_writew(chip, IRQ_MASK, cmdw);
1186
1187 devm_free_irq(chip->dev, chip->irq, chip);
1188
1189 __end_hw:
1190#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1191 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1192 snd_tea575x_exit(&chip->tea);
1193 v4l2_device_unregister(&chip->v4l2_dev);
1194 }
1195#endif
1196 return 0;
1197}
1198
1199static int snd_fm801_dev_free(struct snd_device *device)
1200{
1201 struct fm801 *chip = device->device_data;
1202 return snd_fm801_free(chip);
1203}
1204
1205static int snd_fm801_create(struct snd_card *card,
1206 struct pci_dev *pci,
1207 int tea575x_tuner,
1208 int radio_nr,
1209 struct fm801 **rchip)
1210{
1211 struct fm801 *chip;
1212 int err;
1213 static const struct snd_device_ops ops = {
1214 .dev_free = snd_fm801_dev_free,
1215 };
1216
1217 *rchip = NULL;
1218 if ((err = pcim_enable_device(pci)) < 0)
1219 return err;
1220 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1221 if (chip == NULL)
1222 return -ENOMEM;
1223 spin_lock_init(&chip->reg_lock);
1224 chip->card = card;
1225 chip->dev = &pci->dev;
1226 chip->irq = -1;
1227 chip->tea575x_tuner = tea575x_tuner;
1228 if ((err = pci_request_regions(pci, "FM801")) < 0)
1229 return err;
1230 chip->port = pci_resource_start(pci, 0);
1231
1232 if (pci->revision >= 0xb1) /* FM801-AU */
1233 chip->multichannel = 1;
1234
1235 if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1236 if (reset_codec(chip) < 0) {
1237 dev_info(chip->card->dev,
1238 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1239 chip->tea575x_tuner = 3 | TUNER_ONLY;
1240 } else {
1241 snd_fm801_chip_multichannel_init(chip);
1242 }
1243 }
1244
1245 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1246 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1247 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1248 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1249 snd_fm801_free(chip);
1250 return -EBUSY;
1251 }
1252 chip->irq = pci->irq;
1253 card->sync_irq = chip->irq;
1254 pci_set_master(pci);
1255 }
1256
1257 snd_fm801_chip_init(chip);
1258
1259 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1260 snd_fm801_free(chip);
1261 return err;
1262 }
1263
1264#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1265 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1266 if (err < 0) {
1267 snd_fm801_free(chip);
1268 return err;
1269 }
1270 chip->tea.v4l2_dev = &chip->v4l2_dev;
1271 chip->tea.radio_nr = radio_nr;
1272 chip->tea.private_data = chip;
1273 chip->tea.ops = &snd_fm801_tea_ops;
1274 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1275 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1276 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1277 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1278 dev_err(card->dev, "TEA575x radio not found\n");
1279 snd_fm801_free(chip);
1280 return -ENODEV;
1281 }
1282 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1283 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1284
1285 /* autodetect tuner connection */
1286 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1287 chip->tea575x_tuner = tea575x_tuner;
1288 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1289 dev_info(card->dev,
1290 "detected TEA575x radio type %s\n",
1291 get_tea575x_gpio(chip)->name);
1292 break;
1293 }
1294 }
1295 if (tea575x_tuner == 4) {
1296 dev_err(card->dev, "TEA575x radio not found\n");
1297 chip->tea575x_tuner = TUNER_DISABLED;
1298 }
1299
1300 chip->tea575x_tuner |= tuner_only;
1301 }
1302 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1303 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1304 sizeof(chip->tea.card));
1305 }
1306#endif
1307
1308 *rchip = chip;
1309 return 0;
1310}
1311
1312static int snd_card_fm801_probe(struct pci_dev *pci,
1313 const struct pci_device_id *pci_id)
1314{
1315 static int dev;
1316 struct snd_card *card;
1317 struct fm801 *chip;
1318 struct snd_opl3 *opl3;
1319 int err;
1320
1321 if (dev >= SNDRV_CARDS)
1322 return -ENODEV;
1323 if (!enable[dev]) {
1324 dev++;
1325 return -ENOENT;
1326 }
1327
1328 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1329 0, &card);
1330 if (err < 0)
1331 return err;
1332 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1333 snd_card_free(card);
1334 return err;
1335 }
1336 card->private_data = chip;
1337
1338 strcpy(card->driver, "FM801");
1339 strcpy(card->shortname, "ForteMedia FM801-");
1340 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1341 sprintf(card->longname, "%s at 0x%lx, irq %i",
1342 card->shortname, chip->port, chip->irq);
1343
1344 if (chip->tea575x_tuner & TUNER_ONLY)
1345 goto __fm801_tuner_only;
1346
1347 if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1348 snd_card_free(card);
1349 return err;
1350 }
1351 if ((err = snd_fm801_mixer(chip)) < 0) {
1352 snd_card_free(card);
1353 return err;
1354 }
1355 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1356 chip->port + FM801_MPU401_DATA,
1357 MPU401_INFO_INTEGRATED |
1358 MPU401_INFO_IRQ_HOOK,
1359 -1, &chip->rmidi)) < 0) {
1360 snd_card_free(card);
1361 return err;
1362 }
1363 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1364 chip->port + FM801_OPL3_BANK1,
1365 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1366 snd_card_free(card);
1367 return err;
1368 }
1369 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1370 snd_card_free(card);
1371 return err;
1372 }
1373
1374 __fm801_tuner_only:
1375 if ((err = snd_card_register(card)) < 0) {
1376 snd_card_free(card);
1377 return err;
1378 }
1379 pci_set_drvdata(pci, card);
1380 dev++;
1381 return 0;
1382}
1383
1384static void snd_card_fm801_remove(struct pci_dev *pci)
1385{
1386 snd_card_free(pci_get_drvdata(pci));
1387}
1388
1389#ifdef CONFIG_PM_SLEEP
1390static const unsigned char saved_regs[] = {
1391 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1392 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1393 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1394 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1395};
1396
1397static int snd_fm801_suspend(struct device *dev)
1398{
1399 struct snd_card *card = dev_get_drvdata(dev);
1400 struct fm801 *chip = card->private_data;
1401 int i;
1402
1403 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1404
1405 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1406 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1407
1408 if (chip->tea575x_tuner & TUNER_ONLY) {
1409 /* FIXME: tea575x suspend */
1410 } else {
1411 snd_ac97_suspend(chip->ac97);
1412 snd_ac97_suspend(chip->ac97_sec);
1413 }
1414
1415 return 0;
1416}
1417
1418static int snd_fm801_resume(struct device *dev)
1419{
1420 struct snd_card *card = dev_get_drvdata(dev);
1421 struct fm801 *chip = card->private_data;
1422 int i;
1423
1424 if (chip->tea575x_tuner & TUNER_ONLY) {
1425 snd_fm801_chip_init(chip);
1426 } else {
1427 reset_codec(chip);
1428 snd_fm801_chip_multichannel_init(chip);
1429 snd_fm801_chip_init(chip);
1430 snd_ac97_resume(chip->ac97);
1431 snd_ac97_resume(chip->ac97_sec);
1432 }
1433
1434 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1435 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1436
1437#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1438 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1439 snd_tea575x_set_freq(&chip->tea);
1440#endif
1441
1442 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1443 return 0;
1444}
1445
1446static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1447#define SND_FM801_PM_OPS &snd_fm801_pm
1448#else
1449#define SND_FM801_PM_OPS NULL
1450#endif /* CONFIG_PM_SLEEP */
1451
1452static struct pci_driver fm801_driver = {
1453 .name = KBUILD_MODNAME,
1454 .id_table = snd_fm801_ids,
1455 .probe = snd_card_fm801_probe,
1456 .remove = snd_card_fm801_remove,
1457 .driver = {
1458 .pm = SND_FM801_PM_OPS,
1459 },
1460};
1461
1462module_pci_driver(fm801_driver);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * The driver for the ForteMedia FM801 based soundcards
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 */
6
7#include <linux/delay.h>
8#include <linux/init.h>
9#include <linux/interrupt.h>
10#include <linux/io.h>
11#include <linux/pci.h>
12#include <linux/slab.h>
13#include <linux/module.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/tlv.h>
17#include <sound/ac97_codec.h>
18#include <sound/mpu401.h>
19#include <sound/opl3.h>
20#include <sound/initval.h>
21
22#ifdef CONFIG_SND_FM801_TEA575X_BOOL
23#include <media/drv-intf/tea575x.h>
24#endif
25
26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27MODULE_DESCRIPTION("ForteMedia FM801");
28MODULE_LICENSE("GPL");
29MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
30 "{Genius,SoundMaker Live 5.1}}");
31
32static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
33static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
34static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
35/*
36 * Enable TEA575x tuner
37 * 1 = MediaForte 256-PCS
38 * 2 = MediaForte 256-PCP
39 * 3 = MediaForte 64-PCR
40 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
41 * High 16-bits are video (radio) device number + 1
42 */
43static int tea575x_tuner[SNDRV_CARDS];
44static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
45
46module_param_array(index, int, NULL, 0444);
47MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
48module_param_array(id, charp, NULL, 0444);
49MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
50module_param_array(enable, bool, NULL, 0444);
51MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
52module_param_array(tea575x_tuner, int, NULL, 0444);
53MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
54module_param_array(radio_nr, int, NULL, 0444);
55MODULE_PARM_DESC(radio_nr, "Radio device numbers");
56
57
58#define TUNER_DISABLED (1<<3)
59#define TUNER_ONLY (1<<4)
60#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
61
62/*
63 * Direct registers
64 */
65
66#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
67#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
68
69#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
70
71#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
72#define FM801_FM_VOL 0x02 /* FM Output Volume */
73#define FM801_I2S_VOL 0x04 /* I2S Volume */
74#define FM801_REC_SRC 0x06 /* Record Source */
75#define FM801_PLY_CTRL 0x08 /* Playback Control */
76#define FM801_PLY_COUNT 0x0a /* Playback Count */
77#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
78#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
79#define FM801_CAP_CTRL 0x14 /* Capture Control */
80#define FM801_CAP_COUNT 0x16 /* Capture Count */
81#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
82#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
83#define FM801_CODEC_CTRL 0x22 /* Codec Control */
84#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
85#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
86#define FM801_I2C_CTRL 0x29 /* I2C Control */
87#define FM801_AC97_CMD 0x2a /* AC'97 Command */
88#define FM801_AC97_DATA 0x2c /* AC'97 Data */
89#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
90#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
91#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
92#define FM801_GEN_CTRL 0x54 /* General Control */
93#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
94#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
95#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
96#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
97#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
98#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
99#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
100
101/* codec access */
102#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
103#define FM801_AC97_VALID (1<<8) /* port valid=1 */
104#define FM801_AC97_BUSY (1<<9) /* busy=1 */
105#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
106
107/* playback and record control register bits */
108#define FM801_BUF1_LAST (1<<1)
109#define FM801_BUF2_LAST (1<<2)
110#define FM801_START (1<<5)
111#define FM801_PAUSE (1<<6)
112#define FM801_IMMED_STOP (1<<7)
113#define FM801_RATE_SHIFT 8
114#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
115#define FM801_CHANNELS_4 (1<<12) /* playback only */
116#define FM801_CHANNELS_6 (2<<12) /* playback only */
117#define FM801_CHANNELS_6MS (3<<12) /* playback only */
118#define FM801_CHANNELS_MASK (3<<12)
119#define FM801_16BIT (1<<14)
120#define FM801_STEREO (1<<15)
121
122/* IRQ status bits */
123#define FM801_IRQ_PLAYBACK (1<<8)
124#define FM801_IRQ_CAPTURE (1<<9)
125#define FM801_IRQ_VOLUME (1<<14)
126#define FM801_IRQ_MPU (1<<15)
127
128/* GPIO control register */
129#define FM801_GPIO_GP0 (1<<0) /* read/write */
130#define FM801_GPIO_GP1 (1<<1)
131#define FM801_GPIO_GP2 (1<<2)
132#define FM801_GPIO_GP3 (1<<3)
133#define FM801_GPIO_GP(x) (1<<(0+(x)))
134#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
135#define FM801_GPIO_GD1 (1<<9)
136#define FM801_GPIO_GD2 (1<<10)
137#define FM801_GPIO_GD3 (1<<11)
138#define FM801_GPIO_GD(x) (1<<(8+(x)))
139#define FM801_GPIO_GS0 (1<<12) /* function select: */
140#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
141#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
142#define FM801_GPIO_GS3 (1<<15)
143#define FM801_GPIO_GS(x) (1<<(12+(x)))
144
145/**
146 * struct fm801 - describes FM801 chip
147 * @port: I/O port number
148 * @multichannel: multichannel support
149 * @secondary: secondary codec
150 * @secondary_addr: address of the secondary codec
151 * @tea575x_tuner: tuner access method & flags
152 * @ply_ctrl: playback control
153 * @cap_ctrl: capture control
154 */
155struct fm801 {
156 struct device *dev;
157 int irq;
158
159 unsigned long port;
160 unsigned int multichannel: 1,
161 secondary: 1;
162 unsigned char secondary_addr;
163 unsigned int tea575x_tuner;
164
165 unsigned short ply_ctrl;
166 unsigned short cap_ctrl;
167
168 unsigned long ply_buffer;
169 unsigned int ply_buf;
170 unsigned int ply_count;
171 unsigned int ply_size;
172 unsigned int ply_pos;
173
174 unsigned long cap_buffer;
175 unsigned int cap_buf;
176 unsigned int cap_count;
177 unsigned int cap_size;
178 unsigned int cap_pos;
179
180 struct snd_ac97_bus *ac97_bus;
181 struct snd_ac97 *ac97;
182 struct snd_ac97 *ac97_sec;
183
184 struct snd_card *card;
185 struct snd_pcm *pcm;
186 struct snd_rawmidi *rmidi;
187 struct snd_pcm_substream *playback_substream;
188 struct snd_pcm_substream *capture_substream;
189 unsigned int p_dma_size;
190 unsigned int c_dma_size;
191
192 spinlock_t reg_lock;
193 struct snd_info_entry *proc_entry;
194
195#ifdef CONFIG_SND_FM801_TEA575X_BOOL
196 struct v4l2_device v4l2_dev;
197 struct snd_tea575x tea;
198#endif
199
200#ifdef CONFIG_PM_SLEEP
201 u16 saved_regs[0x20];
202#endif
203};
204
205/*
206 * IO accessors
207 */
208
209static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
210{
211 outw(value, chip->port + offset);
212}
213
214static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
215{
216 return inw(chip->port + offset);
217}
218
219static const struct pci_device_id snd_fm801_ids[] = {
220 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
221 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
222 { 0, }
223};
224
225MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
226
227/*
228 * common I/O routines
229 */
230
231static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
232{
233 unsigned int idx;
234
235 for (idx = 0; idx < iterations; idx++) {
236 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
237 return true;
238 udelay(10);
239 }
240 return false;
241}
242
243static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
244{
245 unsigned int idx;
246
247 for (idx = 0; idx < iterations; idx++) {
248 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
249 return true;
250 udelay(10);
251 }
252 return false;
253}
254
255static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
256 unsigned short mask, unsigned short value)
257{
258 int change;
259 unsigned long flags;
260 unsigned short old, new;
261
262 spin_lock_irqsave(&chip->reg_lock, flags);
263 old = fm801_ioread16(chip, reg);
264 new = (old & ~mask) | value;
265 change = old != new;
266 if (change)
267 fm801_iowrite16(chip, reg, new);
268 spin_unlock_irqrestore(&chip->reg_lock, flags);
269 return change;
270}
271
272static void snd_fm801_codec_write(struct snd_ac97 *ac97,
273 unsigned short reg,
274 unsigned short val)
275{
276 struct fm801 *chip = ac97->private_data;
277
278 /*
279 * Wait until the codec interface is not ready..
280 */
281 if (!fm801_ac97_is_ready(chip, 100)) {
282 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
283 return;
284 }
285
286 /* write data and address */
287 fm801_writew(chip, AC97_DATA, val);
288 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
289 /*
290 * Wait until the write command is not completed..
291 */
292 if (!fm801_ac97_is_ready(chip, 1000))
293 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
294 ac97->num);
295}
296
297static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
298{
299 struct fm801 *chip = ac97->private_data;
300
301 /*
302 * Wait until the codec interface is not ready..
303 */
304 if (!fm801_ac97_is_ready(chip, 100)) {
305 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
306 return 0;
307 }
308
309 /* read command */
310 fm801_writew(chip, AC97_CMD,
311 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
312 if (!fm801_ac97_is_ready(chip, 100)) {
313 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
314 ac97->num);
315 return 0;
316 }
317
318 if (!fm801_ac97_is_valid(chip, 1000)) {
319 dev_err(chip->card->dev,
320 "AC'97 interface #%d is not valid (2)\n", ac97->num);
321 return 0;
322 }
323
324 return fm801_readw(chip, AC97_DATA);
325}
326
327static const unsigned int rates[] = {
328 5500, 8000, 9600, 11025,
329 16000, 19200, 22050, 32000,
330 38400, 44100, 48000
331};
332
333static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
334 .count = ARRAY_SIZE(rates),
335 .list = rates,
336 .mask = 0,
337};
338
339static const unsigned int channels[] = {
340 2, 4, 6
341};
342
343static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
344 .count = ARRAY_SIZE(channels),
345 .list = channels,
346 .mask = 0,
347};
348
349/*
350 * Sample rate routines
351 */
352
353static unsigned short snd_fm801_rate_bits(unsigned int rate)
354{
355 unsigned int idx;
356
357 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
358 if (rates[idx] == rate)
359 return idx;
360 snd_BUG();
361 return ARRAY_SIZE(rates) - 1;
362}
363
364/*
365 * PCM part
366 */
367
368static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
369 int cmd)
370{
371 struct fm801 *chip = snd_pcm_substream_chip(substream);
372
373 spin_lock(&chip->reg_lock);
374 switch (cmd) {
375 case SNDRV_PCM_TRIGGER_START:
376 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
377 FM801_BUF2_LAST |
378 FM801_PAUSE);
379 chip->ply_ctrl |= FM801_START |
380 FM801_IMMED_STOP;
381 break;
382 case SNDRV_PCM_TRIGGER_STOP:
383 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
384 break;
385 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
386 case SNDRV_PCM_TRIGGER_SUSPEND:
387 chip->ply_ctrl |= FM801_PAUSE;
388 break;
389 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
390 case SNDRV_PCM_TRIGGER_RESUME:
391 chip->ply_ctrl &= ~FM801_PAUSE;
392 break;
393 default:
394 spin_unlock(&chip->reg_lock);
395 snd_BUG();
396 return -EINVAL;
397 }
398 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
399 spin_unlock(&chip->reg_lock);
400 return 0;
401}
402
403static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
404 int cmd)
405{
406 struct fm801 *chip = snd_pcm_substream_chip(substream);
407
408 spin_lock(&chip->reg_lock);
409 switch (cmd) {
410 case SNDRV_PCM_TRIGGER_START:
411 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
412 FM801_BUF2_LAST |
413 FM801_PAUSE);
414 chip->cap_ctrl |= FM801_START |
415 FM801_IMMED_STOP;
416 break;
417 case SNDRV_PCM_TRIGGER_STOP:
418 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
419 break;
420 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
421 case SNDRV_PCM_TRIGGER_SUSPEND:
422 chip->cap_ctrl |= FM801_PAUSE;
423 break;
424 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
425 case SNDRV_PCM_TRIGGER_RESUME:
426 chip->cap_ctrl &= ~FM801_PAUSE;
427 break;
428 default:
429 spin_unlock(&chip->reg_lock);
430 snd_BUG();
431 return -EINVAL;
432 }
433 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
434 spin_unlock(&chip->reg_lock);
435 return 0;
436}
437
438static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
439 struct snd_pcm_hw_params *hw_params)
440{
441 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
442}
443
444static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
445{
446 return snd_pcm_lib_free_pages(substream);
447}
448
449static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
450{
451 struct fm801 *chip = snd_pcm_substream_chip(substream);
452 struct snd_pcm_runtime *runtime = substream->runtime;
453
454 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
455 chip->ply_count = snd_pcm_lib_period_bytes(substream);
456 spin_lock_irq(&chip->reg_lock);
457 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
458 FM801_STEREO | FM801_RATE_MASK |
459 FM801_CHANNELS_MASK);
460 if (snd_pcm_format_width(runtime->format) == 16)
461 chip->ply_ctrl |= FM801_16BIT;
462 if (runtime->channels > 1) {
463 chip->ply_ctrl |= FM801_STEREO;
464 if (runtime->channels == 4)
465 chip->ply_ctrl |= FM801_CHANNELS_4;
466 else if (runtime->channels == 6)
467 chip->ply_ctrl |= FM801_CHANNELS_6;
468 }
469 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
470 chip->ply_buf = 0;
471 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
472 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
473 chip->ply_buffer = runtime->dma_addr;
474 chip->ply_pos = 0;
475 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
476 fm801_writel(chip, PLY_BUF2,
477 chip->ply_buffer + (chip->ply_count % chip->ply_size));
478 spin_unlock_irq(&chip->reg_lock);
479 return 0;
480}
481
482static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
483{
484 struct fm801 *chip = snd_pcm_substream_chip(substream);
485 struct snd_pcm_runtime *runtime = substream->runtime;
486
487 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
488 chip->cap_count = snd_pcm_lib_period_bytes(substream);
489 spin_lock_irq(&chip->reg_lock);
490 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
491 FM801_STEREO | FM801_RATE_MASK);
492 if (snd_pcm_format_width(runtime->format) == 16)
493 chip->cap_ctrl |= FM801_16BIT;
494 if (runtime->channels > 1)
495 chip->cap_ctrl |= FM801_STEREO;
496 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
497 chip->cap_buf = 0;
498 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
499 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
500 chip->cap_buffer = runtime->dma_addr;
501 chip->cap_pos = 0;
502 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
503 fm801_writel(chip, CAP_BUF2,
504 chip->cap_buffer + (chip->cap_count % chip->cap_size));
505 spin_unlock_irq(&chip->reg_lock);
506 return 0;
507}
508
509static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
510{
511 struct fm801 *chip = snd_pcm_substream_chip(substream);
512 size_t ptr;
513
514 if (!(chip->ply_ctrl & FM801_START))
515 return 0;
516 spin_lock(&chip->reg_lock);
517 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
518 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
519 ptr += chip->ply_count;
520 ptr %= chip->ply_size;
521 }
522 spin_unlock(&chip->reg_lock);
523 return bytes_to_frames(substream->runtime, ptr);
524}
525
526static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
527{
528 struct fm801 *chip = snd_pcm_substream_chip(substream);
529 size_t ptr;
530
531 if (!(chip->cap_ctrl & FM801_START))
532 return 0;
533 spin_lock(&chip->reg_lock);
534 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
535 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
536 ptr += chip->cap_count;
537 ptr %= chip->cap_size;
538 }
539 spin_unlock(&chip->reg_lock);
540 return bytes_to_frames(substream->runtime, ptr);
541}
542
543static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
544{
545 struct fm801 *chip = dev_id;
546 unsigned short status;
547 unsigned int tmp;
548
549 status = fm801_readw(chip, IRQ_STATUS);
550 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
551 if (! status)
552 return IRQ_NONE;
553 /* ack first */
554 fm801_writew(chip, IRQ_STATUS, status);
555 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
556 spin_lock(&chip->reg_lock);
557 chip->ply_buf++;
558 chip->ply_pos += chip->ply_count;
559 chip->ply_pos %= chip->ply_size;
560 tmp = chip->ply_pos + chip->ply_count;
561 tmp %= chip->ply_size;
562 if (chip->ply_buf & 1)
563 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
564 else
565 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
566 spin_unlock(&chip->reg_lock);
567 snd_pcm_period_elapsed(chip->playback_substream);
568 }
569 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
570 spin_lock(&chip->reg_lock);
571 chip->cap_buf++;
572 chip->cap_pos += chip->cap_count;
573 chip->cap_pos %= chip->cap_size;
574 tmp = chip->cap_pos + chip->cap_count;
575 tmp %= chip->cap_size;
576 if (chip->cap_buf & 1)
577 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
578 else
579 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
580 spin_unlock(&chip->reg_lock);
581 snd_pcm_period_elapsed(chip->capture_substream);
582 }
583 if (chip->rmidi && (status & FM801_IRQ_MPU))
584 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
585 if (status & FM801_IRQ_VOLUME) {
586 /* TODO */
587 }
588
589 return IRQ_HANDLED;
590}
591
592static const struct snd_pcm_hardware snd_fm801_playback =
593{
594 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
595 SNDRV_PCM_INFO_BLOCK_TRANSFER |
596 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
597 SNDRV_PCM_INFO_MMAP_VALID),
598 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
599 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
600 .rate_min = 5500,
601 .rate_max = 48000,
602 .channels_min = 1,
603 .channels_max = 2,
604 .buffer_bytes_max = (128*1024),
605 .period_bytes_min = 64,
606 .period_bytes_max = (128*1024),
607 .periods_min = 1,
608 .periods_max = 1024,
609 .fifo_size = 0,
610};
611
612static const struct snd_pcm_hardware snd_fm801_capture =
613{
614 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
615 SNDRV_PCM_INFO_BLOCK_TRANSFER |
616 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
617 SNDRV_PCM_INFO_MMAP_VALID),
618 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
619 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
620 .rate_min = 5500,
621 .rate_max = 48000,
622 .channels_min = 1,
623 .channels_max = 2,
624 .buffer_bytes_max = (128*1024),
625 .period_bytes_min = 64,
626 .period_bytes_max = (128*1024),
627 .periods_min = 1,
628 .periods_max = 1024,
629 .fifo_size = 0,
630};
631
632static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
633{
634 struct fm801 *chip = snd_pcm_substream_chip(substream);
635 struct snd_pcm_runtime *runtime = substream->runtime;
636 int err;
637
638 chip->playback_substream = substream;
639 runtime->hw = snd_fm801_playback;
640 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
641 &hw_constraints_rates);
642 if (chip->multichannel) {
643 runtime->hw.channels_max = 6;
644 snd_pcm_hw_constraint_list(runtime, 0,
645 SNDRV_PCM_HW_PARAM_CHANNELS,
646 &hw_constraints_channels);
647 }
648 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
649 return err;
650 return 0;
651}
652
653static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
654{
655 struct fm801 *chip = snd_pcm_substream_chip(substream);
656 struct snd_pcm_runtime *runtime = substream->runtime;
657 int err;
658
659 chip->capture_substream = substream;
660 runtime->hw = snd_fm801_capture;
661 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
662 &hw_constraints_rates);
663 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
664 return err;
665 return 0;
666}
667
668static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
669{
670 struct fm801 *chip = snd_pcm_substream_chip(substream);
671
672 chip->playback_substream = NULL;
673 return 0;
674}
675
676static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
677{
678 struct fm801 *chip = snd_pcm_substream_chip(substream);
679
680 chip->capture_substream = NULL;
681 return 0;
682}
683
684static const struct snd_pcm_ops snd_fm801_playback_ops = {
685 .open = snd_fm801_playback_open,
686 .close = snd_fm801_playback_close,
687 .ioctl = snd_pcm_lib_ioctl,
688 .hw_params = snd_fm801_hw_params,
689 .hw_free = snd_fm801_hw_free,
690 .prepare = snd_fm801_playback_prepare,
691 .trigger = snd_fm801_playback_trigger,
692 .pointer = snd_fm801_playback_pointer,
693};
694
695static const struct snd_pcm_ops snd_fm801_capture_ops = {
696 .open = snd_fm801_capture_open,
697 .close = snd_fm801_capture_close,
698 .ioctl = snd_pcm_lib_ioctl,
699 .hw_params = snd_fm801_hw_params,
700 .hw_free = snd_fm801_hw_free,
701 .prepare = snd_fm801_capture_prepare,
702 .trigger = snd_fm801_capture_trigger,
703 .pointer = snd_fm801_capture_pointer,
704};
705
706static int snd_fm801_pcm(struct fm801 *chip, int device)
707{
708 struct pci_dev *pdev = to_pci_dev(chip->dev);
709 struct snd_pcm *pcm;
710 int err;
711
712 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
713 return err;
714
715 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
716 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
717
718 pcm->private_data = chip;
719 pcm->info_flags = 0;
720 strcpy(pcm->name, "FM801");
721 chip->pcm = pcm;
722
723 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
724 snd_dma_pci_data(pdev),
725 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
726
727 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
728 snd_pcm_alt_chmaps,
729 chip->multichannel ? 6 : 2, 0,
730 NULL);
731}
732
733/*
734 * TEA5757 radio
735 */
736
737#ifdef CONFIG_SND_FM801_TEA575X_BOOL
738
739/* GPIO to TEA575x maps */
740struct snd_fm801_tea575x_gpio {
741 u8 data, clk, wren, most;
742 char *name;
743};
744
745static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
746 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
747 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
748 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
749};
750
751#define get_tea575x_gpio(chip) \
752 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
753
754static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
755{
756 struct fm801 *chip = tea->private_data;
757 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
758 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
759
760 reg &= ~(FM801_GPIO_GP(gpio.data) |
761 FM801_GPIO_GP(gpio.clk) |
762 FM801_GPIO_GP(gpio.wren));
763
764 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
765 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
766 /* WRITE_ENABLE is inverted */
767 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
768
769 fm801_writew(chip, GPIO_CTRL, reg);
770}
771
772static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
773{
774 struct fm801 *chip = tea->private_data;
775 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
776 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
777 u8 ret;
778
779 ret = 0;
780 if (reg & FM801_GPIO_GP(gpio.data))
781 ret |= TEA575X_DATA;
782 if (reg & FM801_GPIO_GP(gpio.most))
783 ret |= TEA575X_MOST;
784 return ret;
785}
786
787static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
788{
789 struct fm801 *chip = tea->private_data;
790 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
791 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
792
793 /* use GPIO lines and set write enable bit */
794 reg |= FM801_GPIO_GS(gpio.data) |
795 FM801_GPIO_GS(gpio.wren) |
796 FM801_GPIO_GS(gpio.clk) |
797 FM801_GPIO_GS(gpio.most);
798 if (output) {
799 /* all of lines are in the write direction */
800 /* clear data and clock lines */
801 reg &= ~(FM801_GPIO_GD(gpio.data) |
802 FM801_GPIO_GD(gpio.wren) |
803 FM801_GPIO_GD(gpio.clk) |
804 FM801_GPIO_GP(gpio.data) |
805 FM801_GPIO_GP(gpio.clk) |
806 FM801_GPIO_GP(gpio.wren));
807 } else {
808 /* use GPIO lines, set data direction to input */
809 reg |= FM801_GPIO_GD(gpio.data) |
810 FM801_GPIO_GD(gpio.most) |
811 FM801_GPIO_GP(gpio.data) |
812 FM801_GPIO_GP(gpio.most) |
813 FM801_GPIO_GP(gpio.wren);
814 /* all of lines are in the write direction, except data */
815 /* clear data, write enable and clock lines */
816 reg &= ~(FM801_GPIO_GD(gpio.wren) |
817 FM801_GPIO_GD(gpio.clk) |
818 FM801_GPIO_GP(gpio.clk));
819 }
820
821 fm801_writew(chip, GPIO_CTRL, reg);
822}
823
824static const struct snd_tea575x_ops snd_fm801_tea_ops = {
825 .set_pins = snd_fm801_tea575x_set_pins,
826 .get_pins = snd_fm801_tea575x_get_pins,
827 .set_direction = snd_fm801_tea575x_set_direction,
828};
829#endif
830
831/*
832 * Mixer routines
833 */
834
835#define FM801_SINGLE(xname, reg, shift, mask, invert) \
836{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
837 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
838 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
839
840static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
841 struct snd_ctl_elem_info *uinfo)
842{
843 int mask = (kcontrol->private_value >> 16) & 0xff;
844
845 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
846 uinfo->count = 1;
847 uinfo->value.integer.min = 0;
848 uinfo->value.integer.max = mask;
849 return 0;
850}
851
852static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
853 struct snd_ctl_elem_value *ucontrol)
854{
855 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
856 int reg = kcontrol->private_value & 0xff;
857 int shift = (kcontrol->private_value >> 8) & 0xff;
858 int mask = (kcontrol->private_value >> 16) & 0xff;
859 int invert = (kcontrol->private_value >> 24) & 0xff;
860 long *value = ucontrol->value.integer.value;
861
862 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
863 if (invert)
864 value[0] = mask - value[0];
865 return 0;
866}
867
868static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
869 struct snd_ctl_elem_value *ucontrol)
870{
871 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
872 int reg = kcontrol->private_value & 0xff;
873 int shift = (kcontrol->private_value >> 8) & 0xff;
874 int mask = (kcontrol->private_value >> 16) & 0xff;
875 int invert = (kcontrol->private_value >> 24) & 0xff;
876 unsigned short val;
877
878 val = (ucontrol->value.integer.value[0] & mask);
879 if (invert)
880 val = mask - val;
881 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
882}
883
884#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
885{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
886 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
887 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
888#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
889{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
890 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
891 .name = xname, .info = snd_fm801_info_double, \
892 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
893 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
894 .tlv = { .p = (xtlv) } }
895
896static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
897 struct snd_ctl_elem_info *uinfo)
898{
899 int mask = (kcontrol->private_value >> 16) & 0xff;
900
901 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
902 uinfo->count = 2;
903 uinfo->value.integer.min = 0;
904 uinfo->value.integer.max = mask;
905 return 0;
906}
907
908static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
909 struct snd_ctl_elem_value *ucontrol)
910{
911 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
912 int reg = kcontrol->private_value & 0xff;
913 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
914 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
915 int mask = (kcontrol->private_value >> 16) & 0xff;
916 int invert = (kcontrol->private_value >> 24) & 0xff;
917 long *value = ucontrol->value.integer.value;
918
919 spin_lock_irq(&chip->reg_lock);
920 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
921 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
922 spin_unlock_irq(&chip->reg_lock);
923 if (invert) {
924 value[0] = mask - value[0];
925 value[1] = mask - value[1];
926 }
927 return 0;
928}
929
930static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
931 struct snd_ctl_elem_value *ucontrol)
932{
933 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
934 int reg = kcontrol->private_value & 0xff;
935 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
936 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
937 int mask = (kcontrol->private_value >> 16) & 0xff;
938 int invert = (kcontrol->private_value >> 24) & 0xff;
939 unsigned short val1, val2;
940
941 val1 = ucontrol->value.integer.value[0] & mask;
942 val2 = ucontrol->value.integer.value[1] & mask;
943 if (invert) {
944 val1 = mask - val1;
945 val2 = mask - val2;
946 }
947 return snd_fm801_update_bits(chip, reg,
948 (mask << shift_left) | (mask << shift_right),
949 (val1 << shift_left ) | (val2 << shift_right));
950}
951
952static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
953 struct snd_ctl_elem_info *uinfo)
954{
955 static const char * const texts[5] = {
956 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
957 };
958
959 return snd_ctl_enum_info(uinfo, 1, 5, texts);
960}
961
962static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
963 struct snd_ctl_elem_value *ucontrol)
964{
965 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
966 unsigned short val;
967
968 val = fm801_readw(chip, REC_SRC) & 7;
969 if (val > 4)
970 val = 4;
971 ucontrol->value.enumerated.item[0] = val;
972 return 0;
973}
974
975static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
976 struct snd_ctl_elem_value *ucontrol)
977{
978 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
979 unsigned short val;
980
981 if ((val = ucontrol->value.enumerated.item[0]) > 4)
982 return -EINVAL;
983 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
984}
985
986static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
987
988#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
989
990static struct snd_kcontrol_new snd_fm801_controls[] = {
991FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
992 db_scale_dsp),
993FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
994FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
995 db_scale_dsp),
996FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
997FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
998 db_scale_dsp),
999FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1000{
1001 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1002 .name = "Digital Capture Source",
1003 .info = snd_fm801_info_mux,
1004 .get = snd_fm801_get_mux,
1005 .put = snd_fm801_put_mux,
1006}
1007};
1008
1009#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1010
1011static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1012FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1013FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1014FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1015FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1016FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1017FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1018};
1019
1020static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1021{
1022 struct fm801 *chip = bus->private_data;
1023 chip->ac97_bus = NULL;
1024}
1025
1026static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1027{
1028 struct fm801 *chip = ac97->private_data;
1029 if (ac97->num == 0) {
1030 chip->ac97 = NULL;
1031 } else {
1032 chip->ac97_sec = NULL;
1033 }
1034}
1035
1036static int snd_fm801_mixer(struct fm801 *chip)
1037{
1038 struct snd_ac97_template ac97;
1039 unsigned int i;
1040 int err;
1041 static struct snd_ac97_bus_ops ops = {
1042 .write = snd_fm801_codec_write,
1043 .read = snd_fm801_codec_read,
1044 };
1045
1046 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1047 return err;
1048 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1049
1050 memset(&ac97, 0, sizeof(ac97));
1051 ac97.private_data = chip;
1052 ac97.private_free = snd_fm801_mixer_free_ac97;
1053 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1054 return err;
1055 if (chip->secondary) {
1056 ac97.num = 1;
1057 ac97.addr = chip->secondary_addr;
1058 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1059 return err;
1060 }
1061 for (i = 0; i < FM801_CONTROLS; i++) {
1062 err = snd_ctl_add(chip->card,
1063 snd_ctl_new1(&snd_fm801_controls[i], chip));
1064 if (err < 0)
1065 return err;
1066 }
1067 if (chip->multichannel) {
1068 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1069 err = snd_ctl_add(chip->card,
1070 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1071 if (err < 0)
1072 return err;
1073 }
1074 }
1075 return 0;
1076}
1077
1078/*
1079 * initialization routines
1080 */
1081
1082static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1083 unsigned short reg, unsigned long waits)
1084{
1085 unsigned long timeout = jiffies + waits;
1086
1087 fm801_writew(chip, AC97_CMD,
1088 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1089 udelay(5);
1090 do {
1091 if ((fm801_readw(chip, AC97_CMD) &
1092 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1093 return 0;
1094 schedule_timeout_uninterruptible(1);
1095 } while (time_after(timeout, jiffies));
1096 return -EIO;
1097}
1098
1099static int reset_codec(struct fm801 *chip)
1100{
1101 /* codec cold reset + AC'97 warm reset */
1102 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1103 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1104 udelay(100);
1105 fm801_writew(chip, CODEC_CTRL, 0);
1106
1107 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1108}
1109
1110static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1111{
1112 unsigned short cmdw;
1113
1114 if (chip->multichannel) {
1115 if (chip->secondary_addr) {
1116 wait_for_codec(chip, chip->secondary_addr,
1117 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1118 } else {
1119 /* my card has the secondary codec */
1120 /* at address #3, so the loop is inverted */
1121 int i;
1122 for (i = 3; i > 0; i--) {
1123 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1124 msecs_to_jiffies(50))) {
1125 cmdw = fm801_readw(chip, AC97_DATA);
1126 if (cmdw != 0xffff && cmdw != 0) {
1127 chip->secondary = 1;
1128 chip->secondary_addr = i;
1129 break;
1130 }
1131 }
1132 }
1133 }
1134
1135 /* the recovery phase, it seems that probing for non-existing codec might */
1136 /* cause timeout problems */
1137 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1138 }
1139}
1140
1141static void snd_fm801_chip_init(struct fm801 *chip)
1142{
1143 unsigned short cmdw;
1144
1145 /* init volume */
1146 fm801_writew(chip, PCM_VOL, 0x0808);
1147 fm801_writew(chip, FM_VOL, 0x9f1f);
1148 fm801_writew(chip, I2S_VOL, 0x8808);
1149
1150 /* I2S control - I2S mode */
1151 fm801_writew(chip, I2S_MODE, 0x0003);
1152
1153 /* interrupt setup */
1154 cmdw = fm801_readw(chip, IRQ_MASK);
1155 if (chip->irq < 0)
1156 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1157 else
1158 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1159 fm801_writew(chip, IRQ_MASK, cmdw);
1160
1161 /* interrupt clear */
1162 fm801_writew(chip, IRQ_STATUS,
1163 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1164}
1165
1166static int snd_fm801_free(struct fm801 *chip)
1167{
1168 unsigned short cmdw;
1169
1170 if (chip->irq < 0)
1171 goto __end_hw;
1172
1173 /* interrupt setup - mask everything */
1174 cmdw = fm801_readw(chip, IRQ_MASK);
1175 cmdw |= 0x00c3;
1176 fm801_writew(chip, IRQ_MASK, cmdw);
1177
1178 devm_free_irq(chip->dev, chip->irq, chip);
1179
1180 __end_hw:
1181#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1182 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1183 snd_tea575x_exit(&chip->tea);
1184 v4l2_device_unregister(&chip->v4l2_dev);
1185 }
1186#endif
1187 return 0;
1188}
1189
1190static int snd_fm801_dev_free(struct snd_device *device)
1191{
1192 struct fm801 *chip = device->device_data;
1193 return snd_fm801_free(chip);
1194}
1195
1196static int snd_fm801_create(struct snd_card *card,
1197 struct pci_dev *pci,
1198 int tea575x_tuner,
1199 int radio_nr,
1200 struct fm801 **rchip)
1201{
1202 struct fm801 *chip;
1203 int err;
1204 static struct snd_device_ops ops = {
1205 .dev_free = snd_fm801_dev_free,
1206 };
1207
1208 *rchip = NULL;
1209 if ((err = pcim_enable_device(pci)) < 0)
1210 return err;
1211 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1212 if (chip == NULL)
1213 return -ENOMEM;
1214 spin_lock_init(&chip->reg_lock);
1215 chip->card = card;
1216 chip->dev = &pci->dev;
1217 chip->irq = -1;
1218 chip->tea575x_tuner = tea575x_tuner;
1219 if ((err = pci_request_regions(pci, "FM801")) < 0)
1220 return err;
1221 chip->port = pci_resource_start(pci, 0);
1222
1223 if (pci->revision >= 0xb1) /* FM801-AU */
1224 chip->multichannel = 1;
1225
1226 if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1227 if (reset_codec(chip) < 0) {
1228 dev_info(chip->card->dev,
1229 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1230 chip->tea575x_tuner = 3 | TUNER_ONLY;
1231 } else {
1232 snd_fm801_chip_multichannel_init(chip);
1233 }
1234 }
1235
1236 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1237 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1238 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1239 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1240 snd_fm801_free(chip);
1241 return -EBUSY;
1242 }
1243 chip->irq = pci->irq;
1244 pci_set_master(pci);
1245 }
1246
1247 snd_fm801_chip_init(chip);
1248
1249 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1250 snd_fm801_free(chip);
1251 return err;
1252 }
1253
1254#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1255 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1256 if (err < 0) {
1257 snd_fm801_free(chip);
1258 return err;
1259 }
1260 chip->tea.v4l2_dev = &chip->v4l2_dev;
1261 chip->tea.radio_nr = radio_nr;
1262 chip->tea.private_data = chip;
1263 chip->tea.ops = &snd_fm801_tea_ops;
1264 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1265 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1266 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1267 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1268 dev_err(card->dev, "TEA575x radio not found\n");
1269 snd_fm801_free(chip);
1270 return -ENODEV;
1271 }
1272 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1273 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1274
1275 /* autodetect tuner connection */
1276 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1277 chip->tea575x_tuner = tea575x_tuner;
1278 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1279 dev_info(card->dev,
1280 "detected TEA575x radio type %s\n",
1281 get_tea575x_gpio(chip)->name);
1282 break;
1283 }
1284 }
1285 if (tea575x_tuner == 4) {
1286 dev_err(card->dev, "TEA575x radio not found\n");
1287 chip->tea575x_tuner = TUNER_DISABLED;
1288 }
1289
1290 chip->tea575x_tuner |= tuner_only;
1291 }
1292 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1293 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1294 sizeof(chip->tea.card));
1295 }
1296#endif
1297
1298 *rchip = chip;
1299 return 0;
1300}
1301
1302static int snd_card_fm801_probe(struct pci_dev *pci,
1303 const struct pci_device_id *pci_id)
1304{
1305 static int dev;
1306 struct snd_card *card;
1307 struct fm801 *chip;
1308 struct snd_opl3 *opl3;
1309 int err;
1310
1311 if (dev >= SNDRV_CARDS)
1312 return -ENODEV;
1313 if (!enable[dev]) {
1314 dev++;
1315 return -ENOENT;
1316 }
1317
1318 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1319 0, &card);
1320 if (err < 0)
1321 return err;
1322 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1323 snd_card_free(card);
1324 return err;
1325 }
1326 card->private_data = chip;
1327
1328 strcpy(card->driver, "FM801");
1329 strcpy(card->shortname, "ForteMedia FM801-");
1330 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1331 sprintf(card->longname, "%s at 0x%lx, irq %i",
1332 card->shortname, chip->port, chip->irq);
1333
1334 if (chip->tea575x_tuner & TUNER_ONLY)
1335 goto __fm801_tuner_only;
1336
1337 if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1338 snd_card_free(card);
1339 return err;
1340 }
1341 if ((err = snd_fm801_mixer(chip)) < 0) {
1342 snd_card_free(card);
1343 return err;
1344 }
1345 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1346 chip->port + FM801_MPU401_DATA,
1347 MPU401_INFO_INTEGRATED |
1348 MPU401_INFO_IRQ_HOOK,
1349 -1, &chip->rmidi)) < 0) {
1350 snd_card_free(card);
1351 return err;
1352 }
1353 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1354 chip->port + FM801_OPL3_BANK1,
1355 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1356 snd_card_free(card);
1357 return err;
1358 }
1359 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1360 snd_card_free(card);
1361 return err;
1362 }
1363
1364 __fm801_tuner_only:
1365 if ((err = snd_card_register(card)) < 0) {
1366 snd_card_free(card);
1367 return err;
1368 }
1369 pci_set_drvdata(pci, card);
1370 dev++;
1371 return 0;
1372}
1373
1374static void snd_card_fm801_remove(struct pci_dev *pci)
1375{
1376 snd_card_free(pci_get_drvdata(pci));
1377}
1378
1379#ifdef CONFIG_PM_SLEEP
1380static unsigned char saved_regs[] = {
1381 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1382 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1383 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1384 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1385};
1386
1387static int snd_fm801_suspend(struct device *dev)
1388{
1389 struct snd_card *card = dev_get_drvdata(dev);
1390 struct fm801 *chip = card->private_data;
1391 int i;
1392
1393 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1394
1395 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1396 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1397
1398 if (chip->tea575x_tuner & TUNER_ONLY) {
1399 /* FIXME: tea575x suspend */
1400 } else {
1401 snd_ac97_suspend(chip->ac97);
1402 snd_ac97_suspend(chip->ac97_sec);
1403 }
1404
1405 return 0;
1406}
1407
1408static int snd_fm801_resume(struct device *dev)
1409{
1410 struct snd_card *card = dev_get_drvdata(dev);
1411 struct fm801 *chip = card->private_data;
1412 int i;
1413
1414 if (chip->tea575x_tuner & TUNER_ONLY) {
1415 snd_fm801_chip_init(chip);
1416 } else {
1417 reset_codec(chip);
1418 snd_fm801_chip_multichannel_init(chip);
1419 snd_fm801_chip_init(chip);
1420 snd_ac97_resume(chip->ac97);
1421 snd_ac97_resume(chip->ac97_sec);
1422 }
1423
1424 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1425 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1426
1427#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1428 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1429 snd_tea575x_set_freq(&chip->tea);
1430#endif
1431
1432 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1433 return 0;
1434}
1435
1436static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1437#define SND_FM801_PM_OPS &snd_fm801_pm
1438#else
1439#define SND_FM801_PM_OPS NULL
1440#endif /* CONFIG_PM_SLEEP */
1441
1442static struct pci_driver fm801_driver = {
1443 .name = KBUILD_MODNAME,
1444 .id_table = snd_fm801_ids,
1445 .probe = snd_card_fm801_probe,
1446 .remove = snd_card_fm801_remove,
1447 .driver = {
1448 .pm = SND_FM801_PM_OPS,
1449 },
1450};
1451
1452module_pci_driver(fm801_driver);