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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");
29
30static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
31static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
32static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
33/*
34 * Enable TEA575x tuner
35 * 1 = MediaForte 256-PCS
36 * 2 = MediaForte 256-PCP
37 * 3 = MediaForte 64-PCR
38 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
39 * High 16-bits are video (radio) device number + 1
40 */
41static int tea575x_tuner[SNDRV_CARDS];
42static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
43
44module_param_array(index, int, NULL, 0444);
45MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
46module_param_array(id, charp, NULL, 0444);
47MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
48module_param_array(enable, bool, NULL, 0444);
49MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
50module_param_array(tea575x_tuner, int, NULL, 0444);
51MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
52module_param_array(radio_nr, int, NULL, 0444);
53MODULE_PARM_DESC(radio_nr, "Radio device numbers");
54
55
56#define TUNER_DISABLED (1<<3)
57#define TUNER_ONLY (1<<4)
58#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
59
60/*
61 * Direct registers
62 */
63
64#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
65#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
66
67#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
68
69#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
70#define FM801_FM_VOL 0x02 /* FM Output Volume */
71#define FM801_I2S_VOL 0x04 /* I2S Volume */
72#define FM801_REC_SRC 0x06 /* Record Source */
73#define FM801_PLY_CTRL 0x08 /* Playback Control */
74#define FM801_PLY_COUNT 0x0a /* Playback Count */
75#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
76#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
77#define FM801_CAP_CTRL 0x14 /* Capture Control */
78#define FM801_CAP_COUNT 0x16 /* Capture Count */
79#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
80#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
81#define FM801_CODEC_CTRL 0x22 /* Codec Control */
82#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
83#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
84#define FM801_I2C_CTRL 0x29 /* I2C Control */
85#define FM801_AC97_CMD 0x2a /* AC'97 Command */
86#define FM801_AC97_DATA 0x2c /* AC'97 Data */
87#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
88#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
89#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
90#define FM801_GEN_CTRL 0x54 /* General Control */
91#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
92#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
93#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
94#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
95#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
96#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
97#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
98
99/* codec access */
100#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
101#define FM801_AC97_VALID (1<<8) /* port valid=1 */
102#define FM801_AC97_BUSY (1<<9) /* busy=1 */
103#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
104
105/* playback and record control register bits */
106#define FM801_BUF1_LAST (1<<1)
107#define FM801_BUF2_LAST (1<<2)
108#define FM801_START (1<<5)
109#define FM801_PAUSE (1<<6)
110#define FM801_IMMED_STOP (1<<7)
111#define FM801_RATE_SHIFT 8
112#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
113#define FM801_CHANNELS_4 (1<<12) /* playback only */
114#define FM801_CHANNELS_6 (2<<12) /* playback only */
115#define FM801_CHANNELS_6MS (3<<12) /* playback only */
116#define FM801_CHANNELS_MASK (3<<12)
117#define FM801_16BIT (1<<14)
118#define FM801_STEREO (1<<15)
119
120/* IRQ status bits */
121#define FM801_IRQ_PLAYBACK (1<<8)
122#define FM801_IRQ_CAPTURE (1<<9)
123#define FM801_IRQ_VOLUME (1<<14)
124#define FM801_IRQ_MPU (1<<15)
125
126/* GPIO control register */
127#define FM801_GPIO_GP0 (1<<0) /* read/write */
128#define FM801_GPIO_GP1 (1<<1)
129#define FM801_GPIO_GP2 (1<<2)
130#define FM801_GPIO_GP3 (1<<3)
131#define FM801_GPIO_GP(x) (1<<(0+(x)))
132#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
133#define FM801_GPIO_GD1 (1<<9)
134#define FM801_GPIO_GD2 (1<<10)
135#define FM801_GPIO_GD3 (1<<11)
136#define FM801_GPIO_GD(x) (1<<(8+(x)))
137#define FM801_GPIO_GS0 (1<<12) /* function select: */
138#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
139#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
140#define FM801_GPIO_GS3 (1<<15)
141#define FM801_GPIO_GS(x) (1<<(12+(x)))
142
143/**
144 * struct fm801 - describes FM801 chip
145 * @dev: device for this chio
146 * @irq: irq number
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 * @ply_buffer: playback buffer
155 * @ply_buf: playback buffer index
156 * @ply_count: playback buffer count
157 * @ply_size: playback buffer size
158 * @ply_pos: playback position
159 * @cap_buffer: capture buffer
160 * @cap_buf: capture buffer index
161 * @cap_count: capture buffer count
162 * @cap_size: capture buffer size
163 * @cap_pos: capture position
164 * @ac97_bus: ac97 bus handle
165 * @ac97: ac97 handle
166 * @ac97_sec: ac97 secondary handle
167 * @card: ALSA card
168 * @pcm: PCM devices
169 * @rmidi: rmidi device
170 * @playback_substream: substream for playback
171 * @capture_substream: substream for capture
172 * @p_dma_size: playback DMA size
173 * @c_dma_size: capture DMA size
174 * @reg_lock: lock
175 * @proc_entry: /proc entry
176 * @v4l2_dev: v4l2 device
177 * @tea: tea575a structure
178 * @saved_regs: context saved during suspend
179 */
180struct fm801 {
181 struct device *dev;
182 int irq;
183
184 unsigned long port;
185 unsigned int multichannel: 1,
186 secondary: 1;
187 unsigned char secondary_addr;
188 unsigned int tea575x_tuner;
189
190 unsigned short ply_ctrl;
191 unsigned short cap_ctrl;
192
193 unsigned long ply_buffer;
194 unsigned int ply_buf;
195 unsigned int ply_count;
196 unsigned int ply_size;
197 unsigned int ply_pos;
198
199 unsigned long cap_buffer;
200 unsigned int cap_buf;
201 unsigned int cap_count;
202 unsigned int cap_size;
203 unsigned int cap_pos;
204
205 struct snd_ac97_bus *ac97_bus;
206 struct snd_ac97 *ac97;
207 struct snd_ac97 *ac97_sec;
208
209 struct snd_card *card;
210 struct snd_pcm *pcm;
211 struct snd_rawmidi *rmidi;
212 struct snd_pcm_substream *playback_substream;
213 struct snd_pcm_substream *capture_substream;
214 unsigned int p_dma_size;
215 unsigned int c_dma_size;
216
217 spinlock_t reg_lock;
218 struct snd_info_entry *proc_entry;
219
220#ifdef CONFIG_SND_FM801_TEA575X_BOOL
221 struct v4l2_device v4l2_dev;
222 struct snd_tea575x tea;
223#endif
224
225#ifdef CONFIG_PM_SLEEP
226 u16 saved_regs[0x20];
227#endif
228};
229
230/*
231 * IO accessors
232 */
233
234static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
235{
236 outw(value, chip->port + offset);
237}
238
239static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
240{
241 return inw(chip->port + offset);
242}
243
244static const struct pci_device_id snd_fm801_ids[] = {
245 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
246 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
247 { 0, }
248};
249
250MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
251
252/*
253 * common I/O routines
254 */
255
256static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
257{
258 unsigned int idx;
259
260 for (idx = 0; idx < iterations; idx++) {
261 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
262 return true;
263 udelay(10);
264 }
265 return false;
266}
267
268static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
269{
270 unsigned int idx;
271
272 for (idx = 0; idx < iterations; idx++) {
273 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
274 return true;
275 udelay(10);
276 }
277 return false;
278}
279
280static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
281 unsigned short mask, unsigned short value)
282{
283 int change;
284 unsigned long flags;
285 unsigned short old, new;
286
287 spin_lock_irqsave(&chip->reg_lock, flags);
288 old = fm801_ioread16(chip, reg);
289 new = (old & ~mask) | value;
290 change = old != new;
291 if (change)
292 fm801_iowrite16(chip, reg, new);
293 spin_unlock_irqrestore(&chip->reg_lock, flags);
294 return change;
295}
296
297static void snd_fm801_codec_write(struct snd_ac97 *ac97,
298 unsigned short reg,
299 unsigned short val)
300{
301 struct fm801 *chip = ac97->private_data;
302
303 /*
304 * Wait until the codec interface is not ready..
305 */
306 if (!fm801_ac97_is_ready(chip, 100)) {
307 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
308 return;
309 }
310
311 /* write data and address */
312 fm801_writew(chip, AC97_DATA, val);
313 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
314 /*
315 * Wait until the write command is not completed..
316 */
317 if (!fm801_ac97_is_ready(chip, 1000))
318 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
319 ac97->num);
320}
321
322static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
323{
324 struct fm801 *chip = ac97->private_data;
325
326 /*
327 * Wait until the codec interface is not ready..
328 */
329 if (!fm801_ac97_is_ready(chip, 100)) {
330 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
331 return 0;
332 }
333
334 /* read command */
335 fm801_writew(chip, AC97_CMD,
336 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
337 if (!fm801_ac97_is_ready(chip, 100)) {
338 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
339 ac97->num);
340 return 0;
341 }
342
343 if (!fm801_ac97_is_valid(chip, 1000)) {
344 dev_err(chip->card->dev,
345 "AC'97 interface #%d is not valid (2)\n", ac97->num);
346 return 0;
347 }
348
349 return fm801_readw(chip, AC97_DATA);
350}
351
352static const unsigned int rates[] = {
353 5500, 8000, 9600, 11025,
354 16000, 19200, 22050, 32000,
355 38400, 44100, 48000
356};
357
358static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
359 .count = ARRAY_SIZE(rates),
360 .list = rates,
361 .mask = 0,
362};
363
364static const unsigned int channels[] = {
365 2, 4, 6
366};
367
368static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
369 .count = ARRAY_SIZE(channels),
370 .list = channels,
371 .mask = 0,
372};
373
374/*
375 * Sample rate routines
376 */
377
378static unsigned short snd_fm801_rate_bits(unsigned int rate)
379{
380 unsigned int idx;
381
382 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
383 if (rates[idx] == rate)
384 return idx;
385 snd_BUG();
386 return ARRAY_SIZE(rates) - 1;
387}
388
389/*
390 * PCM part
391 */
392
393static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
394 int cmd)
395{
396 struct fm801 *chip = snd_pcm_substream_chip(substream);
397
398 spin_lock(&chip->reg_lock);
399 switch (cmd) {
400 case SNDRV_PCM_TRIGGER_START:
401 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
402 FM801_BUF2_LAST |
403 FM801_PAUSE);
404 chip->ply_ctrl |= FM801_START |
405 FM801_IMMED_STOP;
406 break;
407 case SNDRV_PCM_TRIGGER_STOP:
408 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
409 break;
410 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
411 case SNDRV_PCM_TRIGGER_SUSPEND:
412 chip->ply_ctrl |= FM801_PAUSE;
413 break;
414 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
415 case SNDRV_PCM_TRIGGER_RESUME:
416 chip->ply_ctrl &= ~FM801_PAUSE;
417 break;
418 default:
419 spin_unlock(&chip->reg_lock);
420 snd_BUG();
421 return -EINVAL;
422 }
423 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
424 spin_unlock(&chip->reg_lock);
425 return 0;
426}
427
428static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
429 int cmd)
430{
431 struct fm801 *chip = snd_pcm_substream_chip(substream);
432
433 spin_lock(&chip->reg_lock);
434 switch (cmd) {
435 case SNDRV_PCM_TRIGGER_START:
436 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
437 FM801_BUF2_LAST |
438 FM801_PAUSE);
439 chip->cap_ctrl |= FM801_START |
440 FM801_IMMED_STOP;
441 break;
442 case SNDRV_PCM_TRIGGER_STOP:
443 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
444 break;
445 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
446 case SNDRV_PCM_TRIGGER_SUSPEND:
447 chip->cap_ctrl |= FM801_PAUSE;
448 break;
449 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
450 case SNDRV_PCM_TRIGGER_RESUME:
451 chip->cap_ctrl &= ~FM801_PAUSE;
452 break;
453 default:
454 spin_unlock(&chip->reg_lock);
455 snd_BUG();
456 return -EINVAL;
457 }
458 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
459 spin_unlock(&chip->reg_lock);
460 return 0;
461}
462
463static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
464{
465 struct fm801 *chip = snd_pcm_substream_chip(substream);
466 struct snd_pcm_runtime *runtime = substream->runtime;
467
468 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
469 chip->ply_count = snd_pcm_lib_period_bytes(substream);
470 spin_lock_irq(&chip->reg_lock);
471 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
472 FM801_STEREO | FM801_RATE_MASK |
473 FM801_CHANNELS_MASK);
474 if (snd_pcm_format_width(runtime->format) == 16)
475 chip->ply_ctrl |= FM801_16BIT;
476 if (runtime->channels > 1) {
477 chip->ply_ctrl |= FM801_STEREO;
478 if (runtime->channels == 4)
479 chip->ply_ctrl |= FM801_CHANNELS_4;
480 else if (runtime->channels == 6)
481 chip->ply_ctrl |= FM801_CHANNELS_6;
482 }
483 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
484 chip->ply_buf = 0;
485 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
486 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
487 chip->ply_buffer = runtime->dma_addr;
488 chip->ply_pos = 0;
489 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
490 fm801_writel(chip, PLY_BUF2,
491 chip->ply_buffer + (chip->ply_count % chip->ply_size));
492 spin_unlock_irq(&chip->reg_lock);
493 return 0;
494}
495
496static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
497{
498 struct fm801 *chip = snd_pcm_substream_chip(substream);
499 struct snd_pcm_runtime *runtime = substream->runtime;
500
501 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
502 chip->cap_count = snd_pcm_lib_period_bytes(substream);
503 spin_lock_irq(&chip->reg_lock);
504 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
505 FM801_STEREO | FM801_RATE_MASK);
506 if (snd_pcm_format_width(runtime->format) == 16)
507 chip->cap_ctrl |= FM801_16BIT;
508 if (runtime->channels > 1)
509 chip->cap_ctrl |= FM801_STEREO;
510 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
511 chip->cap_buf = 0;
512 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
513 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
514 chip->cap_buffer = runtime->dma_addr;
515 chip->cap_pos = 0;
516 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
517 fm801_writel(chip, CAP_BUF2,
518 chip->cap_buffer + (chip->cap_count % chip->cap_size));
519 spin_unlock_irq(&chip->reg_lock);
520 return 0;
521}
522
523static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
524{
525 struct fm801 *chip = snd_pcm_substream_chip(substream);
526 size_t ptr;
527
528 if (!(chip->ply_ctrl & FM801_START))
529 return 0;
530 spin_lock(&chip->reg_lock);
531 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
532 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
533 ptr += chip->ply_count;
534 ptr %= chip->ply_size;
535 }
536 spin_unlock(&chip->reg_lock);
537 return bytes_to_frames(substream->runtime, ptr);
538}
539
540static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
541{
542 struct fm801 *chip = snd_pcm_substream_chip(substream);
543 size_t ptr;
544
545 if (!(chip->cap_ctrl & FM801_START))
546 return 0;
547 spin_lock(&chip->reg_lock);
548 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
549 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
550 ptr += chip->cap_count;
551 ptr %= chip->cap_size;
552 }
553 spin_unlock(&chip->reg_lock);
554 return bytes_to_frames(substream->runtime, ptr);
555}
556
557static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
558{
559 struct fm801 *chip = dev_id;
560 unsigned short status;
561 unsigned int tmp;
562
563 status = fm801_readw(chip, IRQ_STATUS);
564 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
565 if (! status)
566 return IRQ_NONE;
567 /* ack first */
568 fm801_writew(chip, IRQ_STATUS, status);
569 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
570 spin_lock(&chip->reg_lock);
571 chip->ply_buf++;
572 chip->ply_pos += chip->ply_count;
573 chip->ply_pos %= chip->ply_size;
574 tmp = chip->ply_pos + chip->ply_count;
575 tmp %= chip->ply_size;
576 if (chip->ply_buf & 1)
577 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
578 else
579 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
580 spin_unlock(&chip->reg_lock);
581 snd_pcm_period_elapsed(chip->playback_substream);
582 }
583 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
584 spin_lock(&chip->reg_lock);
585 chip->cap_buf++;
586 chip->cap_pos += chip->cap_count;
587 chip->cap_pos %= chip->cap_size;
588 tmp = chip->cap_pos + chip->cap_count;
589 tmp %= chip->cap_size;
590 if (chip->cap_buf & 1)
591 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
592 else
593 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
594 spin_unlock(&chip->reg_lock);
595 snd_pcm_period_elapsed(chip->capture_substream);
596 }
597 if (chip->rmidi && (status & FM801_IRQ_MPU))
598 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
599 if (status & FM801_IRQ_VOLUME) {
600 /* TODO */
601 }
602
603 return IRQ_HANDLED;
604}
605
606static const struct snd_pcm_hardware snd_fm801_playback =
607{
608 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
609 SNDRV_PCM_INFO_BLOCK_TRANSFER |
610 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
611 SNDRV_PCM_INFO_MMAP_VALID),
612 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
613 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
614 .rate_min = 5500,
615 .rate_max = 48000,
616 .channels_min = 1,
617 .channels_max = 2,
618 .buffer_bytes_max = (128*1024),
619 .period_bytes_min = 64,
620 .period_bytes_max = (128*1024),
621 .periods_min = 1,
622 .periods_max = 1024,
623 .fifo_size = 0,
624};
625
626static const struct snd_pcm_hardware snd_fm801_capture =
627{
628 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
629 SNDRV_PCM_INFO_BLOCK_TRANSFER |
630 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
631 SNDRV_PCM_INFO_MMAP_VALID),
632 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
633 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
634 .rate_min = 5500,
635 .rate_max = 48000,
636 .channels_min = 1,
637 .channels_max = 2,
638 .buffer_bytes_max = (128*1024),
639 .period_bytes_min = 64,
640 .period_bytes_max = (128*1024),
641 .periods_min = 1,
642 .periods_max = 1024,
643 .fifo_size = 0,
644};
645
646static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
647{
648 struct fm801 *chip = snd_pcm_substream_chip(substream);
649 struct snd_pcm_runtime *runtime = substream->runtime;
650 int err;
651
652 chip->playback_substream = substream;
653 runtime->hw = snd_fm801_playback;
654 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
655 &hw_constraints_rates);
656 if (chip->multichannel) {
657 runtime->hw.channels_max = 6;
658 snd_pcm_hw_constraint_list(runtime, 0,
659 SNDRV_PCM_HW_PARAM_CHANNELS,
660 &hw_constraints_channels);
661 }
662 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
663 if (err < 0)
664 return err;
665 return 0;
666}
667
668static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
669{
670 struct fm801 *chip = snd_pcm_substream_chip(substream);
671 struct snd_pcm_runtime *runtime = substream->runtime;
672 int err;
673
674 chip->capture_substream = substream;
675 runtime->hw = snd_fm801_capture;
676 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
677 &hw_constraints_rates);
678 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
679 if (err < 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 err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm);
723 if (err < 0)
724 return err;
725
726 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
727 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
728
729 pcm->private_data = chip;
730 pcm->info_flags = 0;
731 strcpy(pcm->name, "FM801");
732 chip->pcm = pcm;
733
734 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
735 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
736
737 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
738 snd_pcm_alt_chmaps,
739 chip->multichannel ? 6 : 2, 0,
740 NULL);
741}
742
743/*
744 * TEA5757 radio
745 */
746
747#ifdef CONFIG_SND_FM801_TEA575X_BOOL
748
749/* GPIO to TEA575x maps */
750struct snd_fm801_tea575x_gpio {
751 u8 data, clk, wren, most;
752 char *name;
753};
754
755static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
756 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
757 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
758 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
759};
760
761#define get_tea575x_gpio(chip) \
762 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
763
764static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
765{
766 struct fm801 *chip = tea->private_data;
767 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
768 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
769
770 reg &= ~(FM801_GPIO_GP(gpio.data) |
771 FM801_GPIO_GP(gpio.clk) |
772 FM801_GPIO_GP(gpio.wren));
773
774 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
775 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
776 /* WRITE_ENABLE is inverted */
777 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
778
779 fm801_writew(chip, GPIO_CTRL, reg);
780}
781
782static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
783{
784 struct fm801 *chip = tea->private_data;
785 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
786 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
787 u8 ret;
788
789 ret = 0;
790 if (reg & FM801_GPIO_GP(gpio.data))
791 ret |= TEA575X_DATA;
792 if (reg & FM801_GPIO_GP(gpio.most))
793 ret |= TEA575X_MOST;
794 return ret;
795}
796
797static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
798{
799 struct fm801 *chip = tea->private_data;
800 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
801 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
802
803 /* use GPIO lines and set write enable bit */
804 reg |= FM801_GPIO_GS(gpio.data) |
805 FM801_GPIO_GS(gpio.wren) |
806 FM801_GPIO_GS(gpio.clk) |
807 FM801_GPIO_GS(gpio.most);
808 if (output) {
809 /* all of lines are in the write direction */
810 /* clear data and clock lines */
811 reg &= ~(FM801_GPIO_GD(gpio.data) |
812 FM801_GPIO_GD(gpio.wren) |
813 FM801_GPIO_GD(gpio.clk) |
814 FM801_GPIO_GP(gpio.data) |
815 FM801_GPIO_GP(gpio.clk) |
816 FM801_GPIO_GP(gpio.wren));
817 } else {
818 /* use GPIO lines, set data direction to input */
819 reg |= FM801_GPIO_GD(gpio.data) |
820 FM801_GPIO_GD(gpio.most) |
821 FM801_GPIO_GP(gpio.data) |
822 FM801_GPIO_GP(gpio.most) |
823 FM801_GPIO_GP(gpio.wren);
824 /* all of lines are in the write direction, except data */
825 /* clear data, write enable and clock lines */
826 reg &= ~(FM801_GPIO_GD(gpio.wren) |
827 FM801_GPIO_GD(gpio.clk) |
828 FM801_GPIO_GP(gpio.clk));
829 }
830
831 fm801_writew(chip, GPIO_CTRL, reg);
832}
833
834static const struct snd_tea575x_ops snd_fm801_tea_ops = {
835 .set_pins = snd_fm801_tea575x_set_pins,
836 .get_pins = snd_fm801_tea575x_get_pins,
837 .set_direction = snd_fm801_tea575x_set_direction,
838};
839#endif
840
841/*
842 * Mixer routines
843 */
844
845#define FM801_SINGLE(xname, reg, shift, mask, invert) \
846{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
847 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
848 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
849
850static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
851 struct snd_ctl_elem_info *uinfo)
852{
853 int mask = (kcontrol->private_value >> 16) & 0xff;
854
855 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
856 uinfo->count = 1;
857 uinfo->value.integer.min = 0;
858 uinfo->value.integer.max = mask;
859 return 0;
860}
861
862static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
863 struct snd_ctl_elem_value *ucontrol)
864{
865 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
866 int reg = kcontrol->private_value & 0xff;
867 int shift = (kcontrol->private_value >> 8) & 0xff;
868 int mask = (kcontrol->private_value >> 16) & 0xff;
869 int invert = (kcontrol->private_value >> 24) & 0xff;
870 long *value = ucontrol->value.integer.value;
871
872 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
873 if (invert)
874 value[0] = mask - value[0];
875 return 0;
876}
877
878static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
879 struct snd_ctl_elem_value *ucontrol)
880{
881 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
882 int reg = kcontrol->private_value & 0xff;
883 int shift = (kcontrol->private_value >> 8) & 0xff;
884 int mask = (kcontrol->private_value >> 16) & 0xff;
885 int invert = (kcontrol->private_value >> 24) & 0xff;
886 unsigned short val;
887
888 val = (ucontrol->value.integer.value[0] & mask);
889 if (invert)
890 val = mask - val;
891 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
892}
893
894#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
895{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
896 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
897 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
898#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
899{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
900 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
901 .name = xname, .info = snd_fm801_info_double, \
902 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
903 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
904 .tlv = { .p = (xtlv) } }
905
906static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
907 struct snd_ctl_elem_info *uinfo)
908{
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910
911 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
912 uinfo->count = 2;
913 uinfo->value.integer.min = 0;
914 uinfo->value.integer.max = mask;
915 return 0;
916}
917
918static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
919 struct snd_ctl_elem_value *ucontrol)
920{
921 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
922 int reg = kcontrol->private_value & 0xff;
923 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
924 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
925 int mask = (kcontrol->private_value >> 16) & 0xff;
926 int invert = (kcontrol->private_value >> 24) & 0xff;
927 long *value = ucontrol->value.integer.value;
928
929 spin_lock_irq(&chip->reg_lock);
930 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
931 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
932 spin_unlock_irq(&chip->reg_lock);
933 if (invert) {
934 value[0] = mask - value[0];
935 value[1] = mask - value[1];
936 }
937 return 0;
938}
939
940static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
941 struct snd_ctl_elem_value *ucontrol)
942{
943 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
944 int reg = kcontrol->private_value & 0xff;
945 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
946 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
947 int mask = (kcontrol->private_value >> 16) & 0xff;
948 int invert = (kcontrol->private_value >> 24) & 0xff;
949 unsigned short val1, val2;
950
951 val1 = ucontrol->value.integer.value[0] & mask;
952 val2 = ucontrol->value.integer.value[1] & mask;
953 if (invert) {
954 val1 = mask - val1;
955 val2 = mask - val2;
956 }
957 return snd_fm801_update_bits(chip, reg,
958 (mask << shift_left) | (mask << shift_right),
959 (val1 << shift_left ) | (val2 << shift_right));
960}
961
962static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
963 struct snd_ctl_elem_info *uinfo)
964{
965 static const char * const texts[5] = {
966 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
967 };
968
969 return snd_ctl_enum_info(uinfo, 1, 5, texts);
970}
971
972static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
973 struct snd_ctl_elem_value *ucontrol)
974{
975 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
976 unsigned short val;
977
978 val = fm801_readw(chip, REC_SRC) & 7;
979 if (val > 4)
980 val = 4;
981 ucontrol->value.enumerated.item[0] = val;
982 return 0;
983}
984
985static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
986 struct snd_ctl_elem_value *ucontrol)
987{
988 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
989 unsigned short val;
990
991 val = ucontrol->value.enumerated.item[0];
992 if (val > 4)
993 return -EINVAL;
994 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
995}
996
997static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
998
999#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1000
1001static const struct snd_kcontrol_new snd_fm801_controls[] = {
1002FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1003 db_scale_dsp),
1004FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1005FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1006 db_scale_dsp),
1007FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1008FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1009 db_scale_dsp),
1010FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1011{
1012 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1013 .name = "Digital Capture Source",
1014 .info = snd_fm801_info_mux,
1015 .get = snd_fm801_get_mux,
1016 .put = snd_fm801_put_mux,
1017}
1018};
1019
1020#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1021
1022static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1023FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1024FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1025FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1026FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1027FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1028FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1029};
1030
1031static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1032{
1033 struct fm801 *chip = bus->private_data;
1034 chip->ac97_bus = NULL;
1035}
1036
1037static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1038{
1039 struct fm801 *chip = ac97->private_data;
1040 if (ac97->num == 0) {
1041 chip->ac97 = NULL;
1042 } else {
1043 chip->ac97_sec = NULL;
1044 }
1045}
1046
1047static int snd_fm801_mixer(struct fm801 *chip)
1048{
1049 struct snd_ac97_template ac97;
1050 unsigned int i;
1051 int err;
1052 static const struct snd_ac97_bus_ops ops = {
1053 .write = snd_fm801_codec_write,
1054 .read = snd_fm801_codec_read,
1055 };
1056
1057 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
1058 if (err < 0)
1059 return err;
1060 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1061
1062 memset(&ac97, 0, sizeof(ac97));
1063 ac97.private_data = chip;
1064 ac97.private_free = snd_fm801_mixer_free_ac97;
1065 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
1066 if (err < 0)
1067 return err;
1068 if (chip->secondary) {
1069 ac97.num = 1;
1070 ac97.addr = chip->secondary_addr;
1071 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec);
1072 if (err < 0)
1073 return err;
1074 }
1075 for (i = 0; i < FM801_CONTROLS; i++) {
1076 err = snd_ctl_add(chip->card,
1077 snd_ctl_new1(&snd_fm801_controls[i], chip));
1078 if (err < 0)
1079 return err;
1080 }
1081 if (chip->multichannel) {
1082 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1083 err = snd_ctl_add(chip->card,
1084 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1085 if (err < 0)
1086 return err;
1087 }
1088 }
1089 return 0;
1090}
1091
1092/*
1093 * initialization routines
1094 */
1095
1096static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1097 unsigned short reg, unsigned long waits)
1098{
1099 unsigned long timeout = jiffies + waits;
1100
1101 fm801_writew(chip, AC97_CMD,
1102 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1103 udelay(5);
1104 do {
1105 if ((fm801_readw(chip, AC97_CMD) &
1106 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1107 return 0;
1108 schedule_timeout_uninterruptible(1);
1109 } while (time_after(timeout, jiffies));
1110 return -EIO;
1111}
1112
1113static int reset_codec(struct fm801 *chip)
1114{
1115 /* codec cold reset + AC'97 warm reset */
1116 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1117 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1118 udelay(100);
1119 fm801_writew(chip, CODEC_CTRL, 0);
1120
1121 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1122}
1123
1124static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1125{
1126 unsigned short cmdw;
1127
1128 if (chip->multichannel) {
1129 if (chip->secondary_addr) {
1130 wait_for_codec(chip, chip->secondary_addr,
1131 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1132 } else {
1133 /* my card has the secondary codec */
1134 /* at address #3, so the loop is inverted */
1135 int i;
1136 for (i = 3; i > 0; i--) {
1137 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1138 msecs_to_jiffies(50))) {
1139 cmdw = fm801_readw(chip, AC97_DATA);
1140 if (cmdw != 0xffff && cmdw != 0) {
1141 chip->secondary = 1;
1142 chip->secondary_addr = i;
1143 break;
1144 }
1145 }
1146 }
1147 }
1148
1149 /* the recovery phase, it seems that probing for non-existing codec might */
1150 /* cause timeout problems */
1151 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1152 }
1153}
1154
1155static void snd_fm801_chip_init(struct fm801 *chip)
1156{
1157 unsigned short cmdw;
1158
1159 /* init volume */
1160 fm801_writew(chip, PCM_VOL, 0x0808);
1161 fm801_writew(chip, FM_VOL, 0x9f1f);
1162 fm801_writew(chip, I2S_VOL, 0x8808);
1163
1164 /* I2S control - I2S mode */
1165 fm801_writew(chip, I2S_MODE, 0x0003);
1166
1167 /* interrupt setup */
1168 cmdw = fm801_readw(chip, IRQ_MASK);
1169 if (chip->irq < 0)
1170 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1171 else
1172 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1173 fm801_writew(chip, IRQ_MASK, cmdw);
1174
1175 /* interrupt clear */
1176 fm801_writew(chip, IRQ_STATUS,
1177 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1178}
1179
1180static int snd_fm801_free(struct fm801 *chip)
1181{
1182 unsigned short cmdw;
1183
1184 if (chip->irq < 0)
1185 goto __end_hw;
1186
1187 /* interrupt setup - mask everything */
1188 cmdw = fm801_readw(chip, IRQ_MASK);
1189 cmdw |= 0x00c3;
1190 fm801_writew(chip, IRQ_MASK, cmdw);
1191
1192 devm_free_irq(chip->dev, chip->irq, chip);
1193
1194 __end_hw:
1195#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1196 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1197 snd_tea575x_exit(&chip->tea);
1198 v4l2_device_unregister(&chip->v4l2_dev);
1199 }
1200#endif
1201 return 0;
1202}
1203
1204static int snd_fm801_dev_free(struct snd_device *device)
1205{
1206 struct fm801 *chip = device->device_data;
1207 return snd_fm801_free(chip);
1208}
1209
1210static int snd_fm801_create(struct snd_card *card,
1211 struct pci_dev *pci,
1212 int tea575x_tuner,
1213 int radio_nr,
1214 struct fm801 **rchip)
1215{
1216 struct fm801 *chip;
1217 int err;
1218 static const struct snd_device_ops ops = {
1219 .dev_free = snd_fm801_dev_free,
1220 };
1221
1222 *rchip = NULL;
1223 err = pcim_enable_device(pci);
1224 if (err < 0)
1225 return err;
1226 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1227 if (chip == NULL)
1228 return -ENOMEM;
1229 spin_lock_init(&chip->reg_lock);
1230 chip->card = card;
1231 chip->dev = &pci->dev;
1232 chip->irq = -1;
1233 chip->tea575x_tuner = tea575x_tuner;
1234 err = pci_request_regions(pci, "FM801");
1235 if (err < 0)
1236 return err;
1237 chip->port = pci_resource_start(pci, 0);
1238
1239 if (pci->revision >= 0xb1) /* FM801-AU */
1240 chip->multichannel = 1;
1241
1242 if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1243 if (reset_codec(chip) < 0) {
1244 dev_info(chip->card->dev,
1245 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1246 chip->tea575x_tuner = 3 | TUNER_ONLY;
1247 } else {
1248 snd_fm801_chip_multichannel_init(chip);
1249 }
1250 }
1251
1252 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1253 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1254 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1255 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1256 snd_fm801_free(chip);
1257 return -EBUSY;
1258 }
1259 chip->irq = pci->irq;
1260 card->sync_irq = chip->irq;
1261 pci_set_master(pci);
1262 }
1263
1264 snd_fm801_chip_init(chip);
1265
1266 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1267 if (err < 0) {
1268 snd_fm801_free(chip);
1269 return err;
1270 }
1271
1272#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1273 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1274 if (err < 0) {
1275 snd_fm801_free(chip);
1276 return err;
1277 }
1278 chip->tea.v4l2_dev = &chip->v4l2_dev;
1279 chip->tea.radio_nr = radio_nr;
1280 chip->tea.private_data = chip;
1281 chip->tea.ops = &snd_fm801_tea_ops;
1282 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1283 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1284 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1285 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1286 dev_err(card->dev, "TEA575x radio not found\n");
1287 snd_fm801_free(chip);
1288 return -ENODEV;
1289 }
1290 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1291 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1292
1293 /* autodetect tuner connection */
1294 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1295 chip->tea575x_tuner = tea575x_tuner;
1296 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1297 dev_info(card->dev,
1298 "detected TEA575x radio type %s\n",
1299 get_tea575x_gpio(chip)->name);
1300 break;
1301 }
1302 }
1303 if (tea575x_tuner == 4) {
1304 dev_err(card->dev, "TEA575x radio not found\n");
1305 chip->tea575x_tuner = TUNER_DISABLED;
1306 }
1307
1308 chip->tea575x_tuner |= tuner_only;
1309 }
1310 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1311 strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1312 sizeof(chip->tea.card));
1313 }
1314#endif
1315
1316 *rchip = chip;
1317 return 0;
1318}
1319
1320static int snd_card_fm801_probe(struct pci_dev *pci,
1321 const struct pci_device_id *pci_id)
1322{
1323 static int dev;
1324 struct snd_card *card;
1325 struct fm801 *chip;
1326 struct snd_opl3 *opl3;
1327 int err;
1328
1329 if (dev >= SNDRV_CARDS)
1330 return -ENODEV;
1331 if (!enable[dev]) {
1332 dev++;
1333 return -ENOENT;
1334 }
1335
1336 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1337 0, &card);
1338 if (err < 0)
1339 return err;
1340 err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip);
1341 if (err < 0) {
1342 snd_card_free(card);
1343 return err;
1344 }
1345 card->private_data = chip;
1346
1347 strcpy(card->driver, "FM801");
1348 strcpy(card->shortname, "ForteMedia FM801-");
1349 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1350 sprintf(card->longname, "%s at 0x%lx, irq %i",
1351 card->shortname, chip->port, chip->irq);
1352
1353 if (chip->tea575x_tuner & TUNER_ONLY)
1354 goto __fm801_tuner_only;
1355
1356 err = snd_fm801_pcm(chip, 0);
1357 if (err < 0) {
1358 snd_card_free(card);
1359 return err;
1360 }
1361 err = snd_fm801_mixer(chip);
1362 if (err < 0) {
1363 snd_card_free(card);
1364 return err;
1365 }
1366 err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1367 chip->port + FM801_MPU401_DATA,
1368 MPU401_INFO_INTEGRATED |
1369 MPU401_INFO_IRQ_HOOK,
1370 -1, &chip->rmidi);
1371 if (err < 0) {
1372 snd_card_free(card);
1373 return err;
1374 }
1375 err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1376 chip->port + FM801_OPL3_BANK1,
1377 OPL3_HW_OPL3_FM801, 1, &opl3);
1378 if (err < 0) {
1379 snd_card_free(card);
1380 return err;
1381 }
1382 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
1383 if (err < 0) {
1384 snd_card_free(card);
1385 return err;
1386 }
1387
1388 __fm801_tuner_only:
1389 err = snd_card_register(card);
1390 if (err < 0) {
1391 snd_card_free(card);
1392 return err;
1393 }
1394 pci_set_drvdata(pci, card);
1395 dev++;
1396 return 0;
1397}
1398
1399static void snd_card_fm801_remove(struct pci_dev *pci)
1400{
1401 snd_card_free(pci_get_drvdata(pci));
1402}
1403
1404#ifdef CONFIG_PM_SLEEP
1405static const unsigned char saved_regs[] = {
1406 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1407 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1408 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1409 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1410};
1411
1412static int snd_fm801_suspend(struct device *dev)
1413{
1414 struct snd_card *card = dev_get_drvdata(dev);
1415 struct fm801 *chip = card->private_data;
1416 int i;
1417
1418 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1419
1420 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1421 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1422
1423 if (chip->tea575x_tuner & TUNER_ONLY) {
1424 /* FIXME: tea575x suspend */
1425 } else {
1426 snd_ac97_suspend(chip->ac97);
1427 snd_ac97_suspend(chip->ac97_sec);
1428 }
1429
1430 return 0;
1431}
1432
1433static int snd_fm801_resume(struct device *dev)
1434{
1435 struct snd_card *card = dev_get_drvdata(dev);
1436 struct fm801 *chip = card->private_data;
1437 int i;
1438
1439 if (chip->tea575x_tuner & TUNER_ONLY) {
1440 snd_fm801_chip_init(chip);
1441 } else {
1442 reset_codec(chip);
1443 snd_fm801_chip_multichannel_init(chip);
1444 snd_fm801_chip_init(chip);
1445 snd_ac97_resume(chip->ac97);
1446 snd_ac97_resume(chip->ac97_sec);
1447 }
1448
1449 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1450 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1451
1452#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1453 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1454 snd_tea575x_set_freq(&chip->tea);
1455#endif
1456
1457 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1458 return 0;
1459}
1460
1461static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1462#define SND_FM801_PM_OPS &snd_fm801_pm
1463#else
1464#define SND_FM801_PM_OPS NULL
1465#endif /* CONFIG_PM_SLEEP */
1466
1467static struct pci_driver fm801_driver = {
1468 .name = KBUILD_MODNAME,
1469 .id_table = snd_fm801_ids,
1470 .probe = snd_card_fm801_probe,
1471 .remove = snd_card_fm801_remove,
1472 .driver = {
1473 .pm = SND_FM801_PM_OPS,
1474 },
1475};
1476
1477module_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);