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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 * @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);
1/*
2 * The driver for the ForteMedia FM801 based soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 *
5 * Support FM only card by Andy Shevchenko <andy@smile.org.ua>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include <linux/delay.h>
24#include <linux/init.h>
25#include <linux/interrupt.h>
26#include <linux/pci.h>
27#include <linux/slab.h>
28#include <linux/module.h>
29#include <sound/core.h>
30#include <sound/pcm.h>
31#include <sound/tlv.h>
32#include <sound/ac97_codec.h>
33#include <sound/mpu401.h>
34#include <sound/opl3.h>
35#include <sound/initval.h>
36
37#include <asm/io.h>
38
39#ifdef CONFIG_SND_FM801_TEA575X_BOOL
40#include <sound/tea575x-tuner.h>
41#endif
42
43MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
44MODULE_DESCRIPTION("ForteMedia FM801");
45MODULE_LICENSE("GPL");
46MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
47 "{Genius,SoundMaker Live 5.1}}");
48
49static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
50static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
51static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
52/*
53 * Enable TEA575x tuner
54 * 1 = MediaForte 256-PCS
55 * 2 = MediaForte 256-PCP
56 * 3 = MediaForte 64-PCR
57 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
58 * High 16-bits are video (radio) device number + 1
59 */
60static int tea575x_tuner[SNDRV_CARDS];
61static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
62
63module_param_array(index, int, NULL, 0444);
64MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
65module_param_array(id, charp, NULL, 0444);
66MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
67module_param_array(enable, bool, NULL, 0444);
68MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
69module_param_array(tea575x_tuner, int, NULL, 0444);
70MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
71module_param_array(radio_nr, int, NULL, 0444);
72MODULE_PARM_DESC(radio_nr, "Radio device numbers");
73
74
75#define TUNER_DISABLED (1<<3)
76#define TUNER_ONLY (1<<4)
77#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
78
79/*
80 * Direct registers
81 */
82
83#define FM801_REG(chip, reg) (chip->port + FM801_##reg)
84
85#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
86#define FM801_FM_VOL 0x02 /* FM Output Volume */
87#define FM801_I2S_VOL 0x04 /* I2S Volume */
88#define FM801_REC_SRC 0x06 /* Record Source */
89#define FM801_PLY_CTRL 0x08 /* Playback Control */
90#define FM801_PLY_COUNT 0x0a /* Playback Count */
91#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
92#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
93#define FM801_CAP_CTRL 0x14 /* Capture Control */
94#define FM801_CAP_COUNT 0x16 /* Capture Count */
95#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
96#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
97#define FM801_CODEC_CTRL 0x22 /* Codec Control */
98#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
99#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
100#define FM801_I2C_CTRL 0x29 /* I2C Control */
101#define FM801_AC97_CMD 0x2a /* AC'97 Command */
102#define FM801_AC97_DATA 0x2c /* AC'97 Data */
103#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
104#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
105#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
106#define FM801_GEN_CTRL 0x54 /* General Control */
107#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
108#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
109#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
110#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
111#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
112#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
113#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
114
115/* codec access */
116#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
117#define FM801_AC97_VALID (1<<8) /* port valid=1 */
118#define FM801_AC97_BUSY (1<<9) /* busy=1 */
119#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
120
121/* playback and record control register bits */
122#define FM801_BUF1_LAST (1<<1)
123#define FM801_BUF2_LAST (1<<2)
124#define FM801_START (1<<5)
125#define FM801_PAUSE (1<<6)
126#define FM801_IMMED_STOP (1<<7)
127#define FM801_RATE_SHIFT 8
128#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
129#define FM801_CHANNELS_4 (1<<12) /* playback only */
130#define FM801_CHANNELS_6 (2<<12) /* playback only */
131#define FM801_CHANNELS_6MS (3<<12) /* playback only */
132#define FM801_CHANNELS_MASK (3<<12)
133#define FM801_16BIT (1<<14)
134#define FM801_STEREO (1<<15)
135
136/* IRQ status bits */
137#define FM801_IRQ_PLAYBACK (1<<8)
138#define FM801_IRQ_CAPTURE (1<<9)
139#define FM801_IRQ_VOLUME (1<<14)
140#define FM801_IRQ_MPU (1<<15)
141
142/* GPIO control register */
143#define FM801_GPIO_GP0 (1<<0) /* read/write */
144#define FM801_GPIO_GP1 (1<<1)
145#define FM801_GPIO_GP2 (1<<2)
146#define FM801_GPIO_GP3 (1<<3)
147#define FM801_GPIO_GP(x) (1<<(0+(x)))
148#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
149#define FM801_GPIO_GD1 (1<<9)
150#define FM801_GPIO_GD2 (1<<10)
151#define FM801_GPIO_GD3 (1<<11)
152#define FM801_GPIO_GD(x) (1<<(8+(x)))
153#define FM801_GPIO_GS0 (1<<12) /* function select: */
154#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
155#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
156#define FM801_GPIO_GS3 (1<<15)
157#define FM801_GPIO_GS(x) (1<<(12+(x)))
158
159/*
160
161 */
162
163struct fm801 {
164 int irq;
165
166 unsigned long port; /* I/O port number */
167 unsigned int multichannel: 1, /* multichannel support */
168 secondary: 1; /* secondary codec */
169 unsigned char secondary_addr; /* address of the secondary codec */
170 unsigned int tea575x_tuner; /* tuner access method & flags */
171
172 unsigned short ply_ctrl; /* playback control */
173 unsigned short cap_ctrl; /* capture control */
174
175 unsigned long ply_buffer;
176 unsigned int ply_buf;
177 unsigned int ply_count;
178 unsigned int ply_size;
179 unsigned int ply_pos;
180
181 unsigned long cap_buffer;
182 unsigned int cap_buf;
183 unsigned int cap_count;
184 unsigned int cap_size;
185 unsigned int cap_pos;
186
187 struct snd_ac97_bus *ac97_bus;
188 struct snd_ac97 *ac97;
189 struct snd_ac97 *ac97_sec;
190
191 struct pci_dev *pci;
192 struct snd_card *card;
193 struct snd_pcm *pcm;
194 struct snd_rawmidi *rmidi;
195 struct snd_pcm_substream *playback_substream;
196 struct snd_pcm_substream *capture_substream;
197 unsigned int p_dma_size;
198 unsigned int c_dma_size;
199
200 spinlock_t reg_lock;
201 struct snd_info_entry *proc_entry;
202
203#ifdef CONFIG_SND_FM801_TEA575X_BOOL
204 struct v4l2_device v4l2_dev;
205 struct snd_tea575x tea;
206#endif
207
208#ifdef CONFIG_PM
209 u16 saved_regs[0x20];
210#endif
211};
212
213static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
214 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
215 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
216 { 0, }
217};
218
219MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
220
221/*
222 * common I/O routines
223 */
224
225static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
226 unsigned short mask, unsigned short value)
227{
228 int change;
229 unsigned long flags;
230 unsigned short old, new;
231
232 spin_lock_irqsave(&chip->reg_lock, flags);
233 old = inw(chip->port + reg);
234 new = (old & ~mask) | value;
235 change = old != new;
236 if (change)
237 outw(new, chip->port + reg);
238 spin_unlock_irqrestore(&chip->reg_lock, flags);
239 return change;
240}
241
242static void snd_fm801_codec_write(struct snd_ac97 *ac97,
243 unsigned short reg,
244 unsigned short val)
245{
246 struct fm801 *chip = ac97->private_data;
247 int idx;
248
249 /*
250 * Wait until the codec interface is not ready..
251 */
252 for (idx = 0; idx < 100; idx++) {
253 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
254 goto ok1;
255 udelay(10);
256 }
257 snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
258 return;
259
260 ok1:
261 /* write data and address */
262 outw(val, FM801_REG(chip, AC97_DATA));
263 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
264 /*
265 * Wait until the write command is not completed..
266 */
267 for (idx = 0; idx < 1000; idx++) {
268 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
269 return;
270 udelay(10);
271 }
272 snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
273}
274
275static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
276{
277 struct fm801 *chip = ac97->private_data;
278 int idx;
279
280 /*
281 * Wait until the codec interface is not ready..
282 */
283 for (idx = 0; idx < 100; idx++) {
284 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
285 goto ok1;
286 udelay(10);
287 }
288 snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
289 return 0;
290
291 ok1:
292 /* read command */
293 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
294 FM801_REG(chip, AC97_CMD));
295 for (idx = 0; idx < 100; idx++) {
296 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
297 goto ok2;
298 udelay(10);
299 }
300 snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
301 return 0;
302
303 ok2:
304 for (idx = 0; idx < 1000; idx++) {
305 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
306 goto ok3;
307 udelay(10);
308 }
309 snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
310 return 0;
311
312 ok3:
313 return inw(FM801_REG(chip, AC97_DATA));
314}
315
316static unsigned int rates[] = {
317 5500, 8000, 9600, 11025,
318 16000, 19200, 22050, 32000,
319 38400, 44100, 48000
320};
321
322static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
323 .count = ARRAY_SIZE(rates),
324 .list = rates,
325 .mask = 0,
326};
327
328static unsigned int channels[] = {
329 2, 4, 6
330};
331
332static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
333 .count = ARRAY_SIZE(channels),
334 .list = channels,
335 .mask = 0,
336};
337
338/*
339 * Sample rate routines
340 */
341
342static unsigned short snd_fm801_rate_bits(unsigned int rate)
343{
344 unsigned int idx;
345
346 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
347 if (rates[idx] == rate)
348 return idx;
349 snd_BUG();
350 return ARRAY_SIZE(rates) - 1;
351}
352
353/*
354 * PCM part
355 */
356
357static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
358 int cmd)
359{
360 struct fm801 *chip = snd_pcm_substream_chip(substream);
361
362 spin_lock(&chip->reg_lock);
363 switch (cmd) {
364 case SNDRV_PCM_TRIGGER_START:
365 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
366 FM801_BUF2_LAST |
367 FM801_PAUSE);
368 chip->ply_ctrl |= FM801_START |
369 FM801_IMMED_STOP;
370 break;
371 case SNDRV_PCM_TRIGGER_STOP:
372 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
373 break;
374 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
375 case SNDRV_PCM_TRIGGER_SUSPEND:
376 chip->ply_ctrl |= FM801_PAUSE;
377 break;
378 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
379 case SNDRV_PCM_TRIGGER_RESUME:
380 chip->ply_ctrl &= ~FM801_PAUSE;
381 break;
382 default:
383 spin_unlock(&chip->reg_lock);
384 snd_BUG();
385 return -EINVAL;
386 }
387 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
388 spin_unlock(&chip->reg_lock);
389 return 0;
390}
391
392static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
393 int cmd)
394{
395 struct fm801 *chip = snd_pcm_substream_chip(substream);
396
397 spin_lock(&chip->reg_lock);
398 switch (cmd) {
399 case SNDRV_PCM_TRIGGER_START:
400 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
401 FM801_BUF2_LAST |
402 FM801_PAUSE);
403 chip->cap_ctrl |= FM801_START |
404 FM801_IMMED_STOP;
405 break;
406 case SNDRV_PCM_TRIGGER_STOP:
407 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
408 break;
409 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
410 case SNDRV_PCM_TRIGGER_SUSPEND:
411 chip->cap_ctrl |= FM801_PAUSE;
412 break;
413 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
414 case SNDRV_PCM_TRIGGER_RESUME:
415 chip->cap_ctrl &= ~FM801_PAUSE;
416 break;
417 default:
418 spin_unlock(&chip->reg_lock);
419 snd_BUG();
420 return -EINVAL;
421 }
422 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
423 spin_unlock(&chip->reg_lock);
424 return 0;
425}
426
427static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
428 struct snd_pcm_hw_params *hw_params)
429{
430 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
431}
432
433static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
434{
435 return snd_pcm_lib_free_pages(substream);
436}
437
438static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
439{
440 struct fm801 *chip = snd_pcm_substream_chip(substream);
441 struct snd_pcm_runtime *runtime = substream->runtime;
442
443 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
444 chip->ply_count = snd_pcm_lib_period_bytes(substream);
445 spin_lock_irq(&chip->reg_lock);
446 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
447 FM801_STEREO | FM801_RATE_MASK |
448 FM801_CHANNELS_MASK);
449 if (snd_pcm_format_width(runtime->format) == 16)
450 chip->ply_ctrl |= FM801_16BIT;
451 if (runtime->channels > 1) {
452 chip->ply_ctrl |= FM801_STEREO;
453 if (runtime->channels == 4)
454 chip->ply_ctrl |= FM801_CHANNELS_4;
455 else if (runtime->channels == 6)
456 chip->ply_ctrl |= FM801_CHANNELS_6;
457 }
458 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
459 chip->ply_buf = 0;
460 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
461 outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
462 chip->ply_buffer = runtime->dma_addr;
463 chip->ply_pos = 0;
464 outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
465 outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
466 spin_unlock_irq(&chip->reg_lock);
467 return 0;
468}
469
470static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
471{
472 struct fm801 *chip = snd_pcm_substream_chip(substream);
473 struct snd_pcm_runtime *runtime = substream->runtime;
474
475 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
476 chip->cap_count = snd_pcm_lib_period_bytes(substream);
477 spin_lock_irq(&chip->reg_lock);
478 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
479 FM801_STEREO | FM801_RATE_MASK);
480 if (snd_pcm_format_width(runtime->format) == 16)
481 chip->cap_ctrl |= FM801_16BIT;
482 if (runtime->channels > 1)
483 chip->cap_ctrl |= FM801_STEREO;
484 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
485 chip->cap_buf = 0;
486 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
487 outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
488 chip->cap_buffer = runtime->dma_addr;
489 chip->cap_pos = 0;
490 outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
491 outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
492 spin_unlock_irq(&chip->reg_lock);
493 return 0;
494}
495
496static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
497{
498 struct fm801 *chip = snd_pcm_substream_chip(substream);
499 size_t ptr;
500
501 if (!(chip->ply_ctrl & FM801_START))
502 return 0;
503 spin_lock(&chip->reg_lock);
504 ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
505 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
506 ptr += chip->ply_count;
507 ptr %= chip->ply_size;
508 }
509 spin_unlock(&chip->reg_lock);
510 return bytes_to_frames(substream->runtime, ptr);
511}
512
513static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
514{
515 struct fm801 *chip = snd_pcm_substream_chip(substream);
516 size_t ptr;
517
518 if (!(chip->cap_ctrl & FM801_START))
519 return 0;
520 spin_lock(&chip->reg_lock);
521 ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
522 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
523 ptr += chip->cap_count;
524 ptr %= chip->cap_size;
525 }
526 spin_unlock(&chip->reg_lock);
527 return bytes_to_frames(substream->runtime, ptr);
528}
529
530static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
531{
532 struct fm801 *chip = dev_id;
533 unsigned short status;
534 unsigned int tmp;
535
536 status = inw(FM801_REG(chip, IRQ_STATUS));
537 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
538 if (! status)
539 return IRQ_NONE;
540 /* ack first */
541 outw(status, FM801_REG(chip, IRQ_STATUS));
542 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
543 spin_lock(&chip->reg_lock);
544 chip->ply_buf++;
545 chip->ply_pos += chip->ply_count;
546 chip->ply_pos %= chip->ply_size;
547 tmp = chip->ply_pos + chip->ply_count;
548 tmp %= chip->ply_size;
549 outl(chip->ply_buffer + tmp,
550 (chip->ply_buf & 1) ?
551 FM801_REG(chip, PLY_BUF1) :
552 FM801_REG(chip, PLY_BUF2));
553 spin_unlock(&chip->reg_lock);
554 snd_pcm_period_elapsed(chip->playback_substream);
555 }
556 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
557 spin_lock(&chip->reg_lock);
558 chip->cap_buf++;
559 chip->cap_pos += chip->cap_count;
560 chip->cap_pos %= chip->cap_size;
561 tmp = chip->cap_pos + chip->cap_count;
562 tmp %= chip->cap_size;
563 outl(chip->cap_buffer + tmp,
564 (chip->cap_buf & 1) ?
565 FM801_REG(chip, CAP_BUF1) :
566 FM801_REG(chip, CAP_BUF2));
567 spin_unlock(&chip->reg_lock);
568 snd_pcm_period_elapsed(chip->capture_substream);
569 }
570 if (chip->rmidi && (status & FM801_IRQ_MPU))
571 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
572 if (status & FM801_IRQ_VOLUME)
573 ;/* TODO */
574
575 return IRQ_HANDLED;
576}
577
578static struct snd_pcm_hardware snd_fm801_playback =
579{
580 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
581 SNDRV_PCM_INFO_BLOCK_TRANSFER |
582 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
583 SNDRV_PCM_INFO_MMAP_VALID),
584 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
585 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
586 .rate_min = 5500,
587 .rate_max = 48000,
588 .channels_min = 1,
589 .channels_max = 2,
590 .buffer_bytes_max = (128*1024),
591 .period_bytes_min = 64,
592 .period_bytes_max = (128*1024),
593 .periods_min = 1,
594 .periods_max = 1024,
595 .fifo_size = 0,
596};
597
598static struct snd_pcm_hardware snd_fm801_capture =
599{
600 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
601 SNDRV_PCM_INFO_BLOCK_TRANSFER |
602 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
603 SNDRV_PCM_INFO_MMAP_VALID),
604 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
605 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
606 .rate_min = 5500,
607 .rate_max = 48000,
608 .channels_min = 1,
609 .channels_max = 2,
610 .buffer_bytes_max = (128*1024),
611 .period_bytes_min = 64,
612 .period_bytes_max = (128*1024),
613 .periods_min = 1,
614 .periods_max = 1024,
615 .fifo_size = 0,
616};
617
618static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
619{
620 struct fm801 *chip = snd_pcm_substream_chip(substream);
621 struct snd_pcm_runtime *runtime = substream->runtime;
622 int err;
623
624 chip->playback_substream = substream;
625 runtime->hw = snd_fm801_playback;
626 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
627 &hw_constraints_rates);
628 if (chip->multichannel) {
629 runtime->hw.channels_max = 6;
630 snd_pcm_hw_constraint_list(runtime, 0,
631 SNDRV_PCM_HW_PARAM_CHANNELS,
632 &hw_constraints_channels);
633 }
634 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
635 return err;
636 return 0;
637}
638
639static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
640{
641 struct fm801 *chip = snd_pcm_substream_chip(substream);
642 struct snd_pcm_runtime *runtime = substream->runtime;
643 int err;
644
645 chip->capture_substream = substream;
646 runtime->hw = snd_fm801_capture;
647 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
648 &hw_constraints_rates);
649 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
650 return err;
651 return 0;
652}
653
654static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
655{
656 struct fm801 *chip = snd_pcm_substream_chip(substream);
657
658 chip->playback_substream = NULL;
659 return 0;
660}
661
662static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
663{
664 struct fm801 *chip = snd_pcm_substream_chip(substream);
665
666 chip->capture_substream = NULL;
667 return 0;
668}
669
670static struct snd_pcm_ops snd_fm801_playback_ops = {
671 .open = snd_fm801_playback_open,
672 .close = snd_fm801_playback_close,
673 .ioctl = snd_pcm_lib_ioctl,
674 .hw_params = snd_fm801_hw_params,
675 .hw_free = snd_fm801_hw_free,
676 .prepare = snd_fm801_playback_prepare,
677 .trigger = snd_fm801_playback_trigger,
678 .pointer = snd_fm801_playback_pointer,
679};
680
681static struct snd_pcm_ops snd_fm801_capture_ops = {
682 .open = snd_fm801_capture_open,
683 .close = snd_fm801_capture_close,
684 .ioctl = snd_pcm_lib_ioctl,
685 .hw_params = snd_fm801_hw_params,
686 .hw_free = snd_fm801_hw_free,
687 .prepare = snd_fm801_capture_prepare,
688 .trigger = snd_fm801_capture_trigger,
689 .pointer = snd_fm801_capture_pointer,
690};
691
692static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
693{
694 struct snd_pcm *pcm;
695 int err;
696
697 if (rpcm)
698 *rpcm = NULL;
699 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
700 return err;
701
702 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
703 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
704
705 pcm->private_data = chip;
706 pcm->info_flags = 0;
707 strcpy(pcm->name, "FM801");
708 chip->pcm = pcm;
709
710 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
711 snd_dma_pci_data(chip->pci),
712 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
713
714 if (rpcm)
715 *rpcm = pcm;
716 return 0;
717}
718
719/*
720 * TEA5757 radio
721 */
722
723#ifdef CONFIG_SND_FM801_TEA575X_BOOL
724
725/* GPIO to TEA575x maps */
726struct snd_fm801_tea575x_gpio {
727 u8 data, clk, wren, most;
728 char *name;
729};
730
731static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
732 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
733 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
734 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
735};
736
737#define get_tea575x_gpio(chip) \
738 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
739
740static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
741{
742 struct fm801 *chip = tea->private_data;
743 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
744 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
745
746 reg &= ~(FM801_GPIO_GP(gpio.data) |
747 FM801_GPIO_GP(gpio.clk) |
748 FM801_GPIO_GP(gpio.wren));
749
750 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
751 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
752 /* WRITE_ENABLE is inverted */
753 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
754
755 outw(reg, FM801_REG(chip, GPIO_CTRL));
756}
757
758static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
759{
760 struct fm801 *chip = tea->private_data;
761 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
762 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
763
764 return (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
765 (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
766}
767
768static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
769{
770 struct fm801 *chip = tea->private_data;
771 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
772 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
773
774 /* use GPIO lines and set write enable bit */
775 reg |= FM801_GPIO_GS(gpio.data) |
776 FM801_GPIO_GS(gpio.wren) |
777 FM801_GPIO_GS(gpio.clk) |
778 FM801_GPIO_GS(gpio.most);
779 if (output) {
780 /* all of lines are in the write direction */
781 /* clear data and clock lines */
782 reg &= ~(FM801_GPIO_GD(gpio.data) |
783 FM801_GPIO_GD(gpio.wren) |
784 FM801_GPIO_GD(gpio.clk) |
785 FM801_GPIO_GP(gpio.data) |
786 FM801_GPIO_GP(gpio.clk) |
787 FM801_GPIO_GP(gpio.wren));
788 } else {
789 /* use GPIO lines, set data direction to input */
790 reg |= FM801_GPIO_GD(gpio.data) |
791 FM801_GPIO_GD(gpio.most) |
792 FM801_GPIO_GP(gpio.data) |
793 FM801_GPIO_GP(gpio.most) |
794 FM801_GPIO_GP(gpio.wren);
795 /* all of lines are in the write direction, except data */
796 /* clear data, write enable and clock lines */
797 reg &= ~(FM801_GPIO_GD(gpio.wren) |
798 FM801_GPIO_GD(gpio.clk) |
799 FM801_GPIO_GP(gpio.clk));
800 }
801
802 outw(reg, FM801_REG(chip, GPIO_CTRL));
803}
804
805static struct snd_tea575x_ops snd_fm801_tea_ops = {
806 .set_pins = snd_fm801_tea575x_set_pins,
807 .get_pins = snd_fm801_tea575x_get_pins,
808 .set_direction = snd_fm801_tea575x_set_direction,
809};
810#endif
811
812/*
813 * Mixer routines
814 */
815
816#define FM801_SINGLE(xname, reg, shift, mask, invert) \
817{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
818 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
819 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
820
821static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
822 struct snd_ctl_elem_info *uinfo)
823{
824 int mask = (kcontrol->private_value >> 16) & 0xff;
825
826 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
827 uinfo->count = 1;
828 uinfo->value.integer.min = 0;
829 uinfo->value.integer.max = mask;
830 return 0;
831}
832
833static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
834 struct snd_ctl_elem_value *ucontrol)
835{
836 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
837 int reg = kcontrol->private_value & 0xff;
838 int shift = (kcontrol->private_value >> 8) & 0xff;
839 int mask = (kcontrol->private_value >> 16) & 0xff;
840 int invert = (kcontrol->private_value >> 24) & 0xff;
841
842 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
843 if (invert)
844 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
845 return 0;
846}
847
848static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
849 struct snd_ctl_elem_value *ucontrol)
850{
851 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
852 int reg = kcontrol->private_value & 0xff;
853 int shift = (kcontrol->private_value >> 8) & 0xff;
854 int mask = (kcontrol->private_value >> 16) & 0xff;
855 int invert = (kcontrol->private_value >> 24) & 0xff;
856 unsigned short val;
857
858 val = (ucontrol->value.integer.value[0] & mask);
859 if (invert)
860 val = mask - val;
861 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
862}
863
864#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
865{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
866 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
867 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
868#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
869{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
870 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
871 .name = xname, .info = snd_fm801_info_double, \
872 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
873 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
874 .tlv = { .p = (xtlv) } }
875
876static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
877 struct snd_ctl_elem_info *uinfo)
878{
879 int mask = (kcontrol->private_value >> 16) & 0xff;
880
881 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
882 uinfo->count = 2;
883 uinfo->value.integer.min = 0;
884 uinfo->value.integer.max = mask;
885 return 0;
886}
887
888static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
889 struct snd_ctl_elem_value *ucontrol)
890{
891 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
892 int reg = kcontrol->private_value & 0xff;
893 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
894 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896 int invert = (kcontrol->private_value >> 24) & 0xff;
897
898 spin_lock_irq(&chip->reg_lock);
899 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
900 ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
901 spin_unlock_irq(&chip->reg_lock);
902 if (invert) {
903 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
904 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
905 }
906 return 0;
907}
908
909static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
910 struct snd_ctl_elem_value *ucontrol)
911{
912 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
913 int reg = kcontrol->private_value & 0xff;
914 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
915 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
916 int mask = (kcontrol->private_value >> 16) & 0xff;
917 int invert = (kcontrol->private_value >> 24) & 0xff;
918 unsigned short val1, val2;
919
920 val1 = ucontrol->value.integer.value[0] & mask;
921 val2 = ucontrol->value.integer.value[1] & mask;
922 if (invert) {
923 val1 = mask - val1;
924 val2 = mask - val2;
925 }
926 return snd_fm801_update_bits(chip, reg,
927 (mask << shift_left) | (mask << shift_right),
928 (val1 << shift_left ) | (val2 << shift_right));
929}
930
931static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
932 struct snd_ctl_elem_info *uinfo)
933{
934 static char *texts[5] = {
935 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
936 };
937
938 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
939 uinfo->count = 1;
940 uinfo->value.enumerated.items = 5;
941 if (uinfo->value.enumerated.item > 4)
942 uinfo->value.enumerated.item = 4;
943 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
944 return 0;
945}
946
947static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
948 struct snd_ctl_elem_value *ucontrol)
949{
950 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
951 unsigned short val;
952
953 val = inw(FM801_REG(chip, REC_SRC)) & 7;
954 if (val > 4)
955 val = 4;
956 ucontrol->value.enumerated.item[0] = val;
957 return 0;
958}
959
960static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
961 struct snd_ctl_elem_value *ucontrol)
962{
963 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
964 unsigned short val;
965
966 if ((val = ucontrol->value.enumerated.item[0]) > 4)
967 return -EINVAL;
968 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
969}
970
971static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
972
973#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
974
975static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
976FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
977 db_scale_dsp),
978FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
979FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
980 db_scale_dsp),
981FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
982FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
983 db_scale_dsp),
984FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
985{
986 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
987 .name = "Digital Capture Source",
988 .info = snd_fm801_info_mux,
989 .get = snd_fm801_get_mux,
990 .put = snd_fm801_put_mux,
991}
992};
993
994#define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
995
996static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
997FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
998FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
999FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1000FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1001FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1002FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1003};
1004
1005static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1006{
1007 struct fm801 *chip = bus->private_data;
1008 chip->ac97_bus = NULL;
1009}
1010
1011static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1012{
1013 struct fm801 *chip = ac97->private_data;
1014 if (ac97->num == 0) {
1015 chip->ac97 = NULL;
1016 } else {
1017 chip->ac97_sec = NULL;
1018 }
1019}
1020
1021static int __devinit snd_fm801_mixer(struct fm801 *chip)
1022{
1023 struct snd_ac97_template ac97;
1024 unsigned int i;
1025 int err;
1026 static struct snd_ac97_bus_ops ops = {
1027 .write = snd_fm801_codec_write,
1028 .read = snd_fm801_codec_read,
1029 };
1030
1031 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1032 return err;
1033 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1034
1035 memset(&ac97, 0, sizeof(ac97));
1036 ac97.private_data = chip;
1037 ac97.private_free = snd_fm801_mixer_free_ac97;
1038 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1039 return err;
1040 if (chip->secondary) {
1041 ac97.num = 1;
1042 ac97.addr = chip->secondary_addr;
1043 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1044 return err;
1045 }
1046 for (i = 0; i < FM801_CONTROLS; i++)
1047 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1048 if (chip->multichannel) {
1049 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1050 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1051 }
1052 return 0;
1053}
1054
1055/*
1056 * initialization routines
1057 */
1058
1059static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1060 unsigned short reg, unsigned long waits)
1061{
1062 unsigned long timeout = jiffies + waits;
1063
1064 outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1065 FM801_REG(chip, AC97_CMD));
1066 udelay(5);
1067 do {
1068 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1069 == FM801_AC97_VALID)
1070 return 0;
1071 schedule_timeout_uninterruptible(1);
1072 } while (time_after(timeout, jiffies));
1073 return -EIO;
1074}
1075
1076static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1077{
1078 unsigned short cmdw;
1079
1080 if (chip->tea575x_tuner & TUNER_ONLY)
1081 goto __ac97_ok;
1082
1083 /* codec cold reset + AC'97 warm reset */
1084 outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1085 inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1086 udelay(100);
1087 outw(0, FM801_REG(chip, CODEC_CTRL));
1088
1089 if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1090 if (!resume) {
1091 snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1092 "assume SF64-PCR (tuner-only)\n");
1093 chip->tea575x_tuner = 3 | TUNER_ONLY;
1094 goto __ac97_ok;
1095 }
1096
1097 if (chip->multichannel) {
1098 if (chip->secondary_addr) {
1099 wait_for_codec(chip, chip->secondary_addr,
1100 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1101 } else {
1102 /* my card has the secondary codec */
1103 /* at address #3, so the loop is inverted */
1104 int i;
1105 for (i = 3; i > 0; i--) {
1106 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1107 msecs_to_jiffies(50))) {
1108 cmdw = inw(FM801_REG(chip, AC97_DATA));
1109 if (cmdw != 0xffff && cmdw != 0) {
1110 chip->secondary = 1;
1111 chip->secondary_addr = i;
1112 break;
1113 }
1114 }
1115 }
1116 }
1117
1118 /* the recovery phase, it seems that probing for non-existing codec might */
1119 /* cause timeout problems */
1120 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1121 }
1122
1123 __ac97_ok:
1124
1125 /* init volume */
1126 outw(0x0808, FM801_REG(chip, PCM_VOL));
1127 outw(0x9f1f, FM801_REG(chip, FM_VOL));
1128 outw(0x8808, FM801_REG(chip, I2S_VOL));
1129
1130 /* I2S control - I2S mode */
1131 outw(0x0003, FM801_REG(chip, I2S_MODE));
1132
1133 /* interrupt setup */
1134 cmdw = inw(FM801_REG(chip, IRQ_MASK));
1135 if (chip->irq < 0)
1136 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1137 else
1138 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1139 outw(cmdw, FM801_REG(chip, IRQ_MASK));
1140
1141 /* interrupt clear */
1142 outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1143
1144 return 0;
1145}
1146
1147
1148static int snd_fm801_free(struct fm801 *chip)
1149{
1150 unsigned short cmdw;
1151
1152 if (chip->irq < 0)
1153 goto __end_hw;
1154
1155 /* interrupt setup - mask everything */
1156 cmdw = inw(FM801_REG(chip, IRQ_MASK));
1157 cmdw |= 0x00c3;
1158 outw(cmdw, FM801_REG(chip, IRQ_MASK));
1159
1160 __end_hw:
1161#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1162 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1163 snd_tea575x_exit(&chip->tea);
1164 v4l2_device_unregister(&chip->v4l2_dev);
1165 }
1166#endif
1167 if (chip->irq >= 0)
1168 free_irq(chip->irq, chip);
1169 pci_release_regions(chip->pci);
1170 pci_disable_device(chip->pci);
1171
1172 kfree(chip);
1173 return 0;
1174}
1175
1176static int snd_fm801_dev_free(struct snd_device *device)
1177{
1178 struct fm801 *chip = device->device_data;
1179 return snd_fm801_free(chip);
1180}
1181
1182static int __devinit snd_fm801_create(struct snd_card *card,
1183 struct pci_dev * pci,
1184 int tea575x_tuner,
1185 int radio_nr,
1186 struct fm801 ** rchip)
1187{
1188 struct fm801 *chip;
1189 int err;
1190 static struct snd_device_ops ops = {
1191 .dev_free = snd_fm801_dev_free,
1192 };
1193
1194 *rchip = NULL;
1195 if ((err = pci_enable_device(pci)) < 0)
1196 return err;
1197 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1198 if (chip == NULL) {
1199 pci_disable_device(pci);
1200 return -ENOMEM;
1201 }
1202 spin_lock_init(&chip->reg_lock);
1203 chip->card = card;
1204 chip->pci = pci;
1205 chip->irq = -1;
1206 chip->tea575x_tuner = tea575x_tuner;
1207 if ((err = pci_request_regions(pci, "FM801")) < 0) {
1208 kfree(chip);
1209 pci_disable_device(pci);
1210 return err;
1211 }
1212 chip->port = pci_resource_start(pci, 0);
1213 if ((tea575x_tuner & TUNER_ONLY) == 0) {
1214 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1215 KBUILD_MODNAME, chip)) {
1216 snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1217 snd_fm801_free(chip);
1218 return -EBUSY;
1219 }
1220 chip->irq = pci->irq;
1221 pci_set_master(pci);
1222 }
1223
1224 if (pci->revision >= 0xb1) /* FM801-AU */
1225 chip->multichannel = 1;
1226
1227 snd_fm801_chip_init(chip, 0);
1228 /* init might set tuner access method */
1229 tea575x_tuner = chip->tea575x_tuner;
1230
1231 if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1232 pci_clear_master(pci);
1233 free_irq(chip->irq, chip);
1234 chip->irq = -1;
1235 }
1236
1237 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1238 snd_fm801_free(chip);
1239 return err;
1240 }
1241
1242 snd_card_set_dev(card, &pci->dev);
1243
1244#ifdef CONFIG_SND_FM801_TEA575X_BOOL
1245 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1246 if (err < 0) {
1247 snd_fm801_free(chip);
1248 return err;
1249 }
1250 chip->tea.v4l2_dev = &chip->v4l2_dev;
1251 chip->tea.radio_nr = radio_nr;
1252 chip->tea.private_data = chip;
1253 chip->tea.ops = &snd_fm801_tea_ops;
1254 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1255 if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1256 (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1257 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1258 snd_printk(KERN_ERR "TEA575x radio not found\n");
1259 snd_fm801_free(chip);
1260 return -ENODEV;
1261 }
1262 } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1263 /* autodetect tuner connection */
1264 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1265 chip->tea575x_tuner = tea575x_tuner;
1266 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1267 snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1268 get_tea575x_gpio(chip)->name);
1269 break;
1270 }
1271 }
1272 if (tea575x_tuner == 4) {
1273 snd_printk(KERN_ERR "TEA575x radio not found\n");
1274 chip->tea575x_tuner = TUNER_DISABLED;
1275 }
1276 }
1277 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1278 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1279 sizeof(chip->tea.card));
1280 }
1281#endif
1282
1283 *rchip = chip;
1284 return 0;
1285}
1286
1287static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1288 const struct pci_device_id *pci_id)
1289{
1290 static int dev;
1291 struct snd_card *card;
1292 struct fm801 *chip;
1293 struct snd_opl3 *opl3;
1294 int err;
1295
1296 if (dev >= SNDRV_CARDS)
1297 return -ENODEV;
1298 if (!enable[dev]) {
1299 dev++;
1300 return -ENOENT;
1301 }
1302
1303 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1304 if (err < 0)
1305 return err;
1306 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1307 snd_card_free(card);
1308 return err;
1309 }
1310 card->private_data = chip;
1311
1312 strcpy(card->driver, "FM801");
1313 strcpy(card->shortname, "ForteMedia FM801-");
1314 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1315 sprintf(card->longname, "%s at 0x%lx, irq %i",
1316 card->shortname, chip->port, chip->irq);
1317
1318 if (chip->tea575x_tuner & TUNER_ONLY)
1319 goto __fm801_tuner_only;
1320
1321 if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1322 snd_card_free(card);
1323 return err;
1324 }
1325 if ((err = snd_fm801_mixer(chip)) < 0) {
1326 snd_card_free(card);
1327 return err;
1328 }
1329 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1330 FM801_REG(chip, MPU401_DATA),
1331 MPU401_INFO_INTEGRATED |
1332 MPU401_INFO_IRQ_HOOK,
1333 -1, &chip->rmidi)) < 0) {
1334 snd_card_free(card);
1335 return err;
1336 }
1337 if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1338 FM801_REG(chip, OPL3_BANK1),
1339 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1340 snd_card_free(card);
1341 return err;
1342 }
1343 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1344 snd_card_free(card);
1345 return err;
1346 }
1347
1348 __fm801_tuner_only:
1349 if ((err = snd_card_register(card)) < 0) {
1350 snd_card_free(card);
1351 return err;
1352 }
1353 pci_set_drvdata(pci, card);
1354 dev++;
1355 return 0;
1356}
1357
1358static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1359{
1360 snd_card_free(pci_get_drvdata(pci));
1361 pci_set_drvdata(pci, NULL);
1362}
1363
1364#ifdef CONFIG_PM
1365static unsigned char saved_regs[] = {
1366 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1367 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1368 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1369 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1370};
1371
1372static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1373{
1374 struct snd_card *card = pci_get_drvdata(pci);
1375 struct fm801 *chip = card->private_data;
1376 int i;
1377
1378 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1379 snd_pcm_suspend_all(chip->pcm);
1380 snd_ac97_suspend(chip->ac97);
1381 snd_ac97_suspend(chip->ac97_sec);
1382 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1383 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1384 /* FIXME: tea575x suspend */
1385
1386 pci_disable_device(pci);
1387 pci_save_state(pci);
1388 pci_set_power_state(pci, pci_choose_state(pci, state));
1389 return 0;
1390}
1391
1392static int snd_fm801_resume(struct pci_dev *pci)
1393{
1394 struct snd_card *card = pci_get_drvdata(pci);
1395 struct fm801 *chip = card->private_data;
1396 int i;
1397
1398 pci_set_power_state(pci, PCI_D0);
1399 pci_restore_state(pci);
1400 if (pci_enable_device(pci) < 0) {
1401 printk(KERN_ERR "fm801: pci_enable_device failed, "
1402 "disabling device\n");
1403 snd_card_disconnect(card);
1404 return -EIO;
1405 }
1406 pci_set_master(pci);
1407
1408 snd_fm801_chip_init(chip, 1);
1409 snd_ac97_resume(chip->ac97);
1410 snd_ac97_resume(chip->ac97_sec);
1411 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1412 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1413
1414 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1415 return 0;
1416}
1417#endif
1418
1419static struct pci_driver fm801_driver = {
1420 .name = KBUILD_MODNAME,
1421 .id_table = snd_fm801_ids,
1422 .probe = snd_card_fm801_probe,
1423 .remove = __devexit_p(snd_card_fm801_remove),
1424#ifdef CONFIG_PM
1425 .suspend = snd_fm801_suspend,
1426 .resume = snd_fm801_resume,
1427#endif
1428};
1429
1430module_pci_driver(fm801_driver);