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Merge tag 'drm-misc-fixes-2021-02-02' of git://anongit.freedesktop.org/drm/drm-misc...
[mirror_ubuntu-hirsute-kernel.git] / sound / pci / fm801.c
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
26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27 MODULE_DESCRIPTION("ForteMedia FM801");
28 MODULE_LICENSE("GPL");
29 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
30 "{Genius,SoundMaker Live 5.1}}");
31
32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
34 static 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 */
43 static int tea575x_tuner[SNDRV_CARDS];
44 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
45
46 module_param_array(index, int, NULL, 0444);
47 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
48 module_param_array(id, charp, NULL, 0444);
49 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
50 module_param_array(enable, bool, NULL, 0444);
51 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
52 module_param_array(tea575x_tuner, int, NULL, 0444);
53 MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
54 module_param_array(radio_nr, int, NULL, 0444);
55 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
56
57
58 #define TUNER_DISABLED (1<<3)
59 #define TUNER_ONLY (1<<4)
60 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
61
62 /*
63 * Direct registers
64 */
65
66 #define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
67 #define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
68
69 #define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
70
71 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */
72 #define FM801_FM_VOL 0x02 /* FM Output Volume */
73 #define FM801_I2S_VOL 0x04 /* I2S Volume */
74 #define FM801_REC_SRC 0x06 /* Record Source */
75 #define FM801_PLY_CTRL 0x08 /* Playback Control */
76 #define FM801_PLY_COUNT 0x0a /* Playback Count */
77 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
78 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
79 #define FM801_CAP_CTRL 0x14 /* Capture Control */
80 #define FM801_CAP_COUNT 0x16 /* Capture Count */
81 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
82 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
83 #define FM801_CODEC_CTRL 0x22 /* Codec Control */
84 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */
85 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
86 #define FM801_I2C_CTRL 0x29 /* I2C Control */
87 #define FM801_AC97_CMD 0x2a /* AC'97 Command */
88 #define FM801_AC97_DATA 0x2c /* AC'97 Data */
89 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */
90 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */
91 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
92 #define FM801_GEN_CTRL 0x54 /* General Control */
93 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
94 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
95 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
96 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
97 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
98 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
99 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
100
101 /* codec access */
102 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */
103 #define FM801_AC97_VALID (1<<8) /* port valid=1 */
104 #define FM801_AC97_BUSY (1<<9) /* busy=1 */
105 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
106
107 /* playback and record control register bits */
108 #define FM801_BUF1_LAST (1<<1)
109 #define FM801_BUF2_LAST (1<<2)
110 #define FM801_START (1<<5)
111 #define FM801_PAUSE (1<<6)
112 #define FM801_IMMED_STOP (1<<7)
113 #define FM801_RATE_SHIFT 8
114 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
115 #define FM801_CHANNELS_4 (1<<12) /* playback only */
116 #define FM801_CHANNELS_6 (2<<12) /* playback only */
117 #define FM801_CHANNELS_6MS (3<<12) /* playback only */
118 #define FM801_CHANNELS_MASK (3<<12)
119 #define FM801_16BIT (1<<14)
120 #define FM801_STEREO (1<<15)
121
122 /* IRQ status bits */
123 #define FM801_IRQ_PLAYBACK (1<<8)
124 #define FM801_IRQ_CAPTURE (1<<9)
125 #define FM801_IRQ_VOLUME (1<<14)
126 #define FM801_IRQ_MPU (1<<15)
127
128 /* GPIO control register */
129 #define FM801_GPIO_GP0 (1<<0) /* read/write */
130 #define FM801_GPIO_GP1 (1<<1)
131 #define FM801_GPIO_GP2 (1<<2)
132 #define FM801_GPIO_GP3 (1<<3)
133 #define FM801_GPIO_GP(x) (1<<(0+(x)))
134 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
135 #define FM801_GPIO_GD1 (1<<9)
136 #define FM801_GPIO_GD2 (1<<10)
137 #define FM801_GPIO_GD3 (1<<11)
138 #define FM801_GPIO_GD(x) (1<<(8+(x)))
139 #define FM801_GPIO_GS0 (1<<12) /* function select: */
140 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
141 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
142 #define FM801_GPIO_GS3 (1<<15)
143 #define FM801_GPIO_GS(x) (1<<(12+(x)))
144
145 /**
146 * struct fm801 - describes FM801 chip
147 * @dev: device for this chio
148 * @irq: irq number
149 * @port: I/O port number
150 * @multichannel: multichannel support
151 * @secondary: secondary codec
152 * @secondary_addr: address of the secondary codec
153 * @tea575x_tuner: tuner access method & flags
154 * @ply_ctrl: playback control
155 * @cap_ctrl: capture control
156 * @ply_buffer: playback buffer
157 * @ply_buf: playback buffer index
158 * @ply_count: playback buffer count
159 * @ply_size: playback buffer size
160 * @ply_pos: playback position
161 * @cap_buffer: capture buffer
162 * @cap_buf: capture buffer index
163 * @cap_count: capture buffer count
164 * @cap_size: capture buffer size
165 * @cap_pos: capture position
166 * @ac97_bus: ac97 bus handle
167 * @ac97: ac97 handle
168 * @ac97_sec: ac97 secondary handle
169 * @card: ALSA card
170 * @pcm: PCM devices
171 * @rmidi: rmidi device
172 * @playback_substream: substream for playback
173 * @capture_substream: substream for capture
174 * @p_dma_size: playback DMA size
175 * @c_dma_size: capture DMA size
176 * @reg_lock: lock
177 * @proc_entry: /proc entry
178 * @v4l2_dev: v4l2 device
179 * @tea: tea575a structure
180 * @saved_regs: context saved during suspend
181 */
182 struct fm801 {
183 struct device *dev;
184 int irq;
185
186 unsigned long port;
187 unsigned int multichannel: 1,
188 secondary: 1;
189 unsigned char secondary_addr;
190 unsigned int tea575x_tuner;
191
192 unsigned short ply_ctrl;
193 unsigned short cap_ctrl;
194
195 unsigned long ply_buffer;
196 unsigned int ply_buf;
197 unsigned int ply_count;
198 unsigned int ply_size;
199 unsigned int ply_pos;
200
201 unsigned long cap_buffer;
202 unsigned int cap_buf;
203 unsigned int cap_count;
204 unsigned int cap_size;
205 unsigned int cap_pos;
206
207 struct snd_ac97_bus *ac97_bus;
208 struct snd_ac97 *ac97;
209 struct snd_ac97 *ac97_sec;
210
211 struct snd_card *card;
212 struct snd_pcm *pcm;
213 struct snd_rawmidi *rmidi;
214 struct snd_pcm_substream *playback_substream;
215 struct snd_pcm_substream *capture_substream;
216 unsigned int p_dma_size;
217 unsigned int c_dma_size;
218
219 spinlock_t reg_lock;
220 struct snd_info_entry *proc_entry;
221
222 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
223 struct v4l2_device v4l2_dev;
224 struct snd_tea575x tea;
225 #endif
226
227 #ifdef CONFIG_PM_SLEEP
228 u16 saved_regs[0x20];
229 #endif
230 };
231
232 /*
233 * IO accessors
234 */
235
236 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
237 {
238 outw(value, chip->port + offset);
239 }
240
241 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
242 {
243 return inw(chip->port + offset);
244 }
245
246 static const struct pci_device_id snd_fm801_ids[] = {
247 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
248 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
249 { 0, }
250 };
251
252 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
253
254 /*
255 * common I/O routines
256 */
257
258 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
259 {
260 unsigned int idx;
261
262 for (idx = 0; idx < iterations; idx++) {
263 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
264 return true;
265 udelay(10);
266 }
267 return false;
268 }
269
270 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
271 {
272 unsigned int idx;
273
274 for (idx = 0; idx < iterations; idx++) {
275 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
276 return true;
277 udelay(10);
278 }
279 return false;
280 }
281
282 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
283 unsigned short mask, unsigned short value)
284 {
285 int change;
286 unsigned long flags;
287 unsigned short old, new;
288
289 spin_lock_irqsave(&chip->reg_lock, flags);
290 old = fm801_ioread16(chip, reg);
291 new = (old & ~mask) | value;
292 change = old != new;
293 if (change)
294 fm801_iowrite16(chip, reg, new);
295 spin_unlock_irqrestore(&chip->reg_lock, flags);
296 return change;
297 }
298
299 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
300 unsigned short reg,
301 unsigned short val)
302 {
303 struct fm801 *chip = ac97->private_data;
304
305 /*
306 * Wait until the codec interface is not ready..
307 */
308 if (!fm801_ac97_is_ready(chip, 100)) {
309 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
310 return;
311 }
312
313 /* write data and address */
314 fm801_writew(chip, AC97_DATA, val);
315 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
316 /*
317 * Wait until the write command is not completed..
318 */
319 if (!fm801_ac97_is_ready(chip, 1000))
320 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
321 ac97->num);
322 }
323
324 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
325 {
326 struct fm801 *chip = ac97->private_data;
327
328 /*
329 * Wait until the codec interface is not ready..
330 */
331 if (!fm801_ac97_is_ready(chip, 100)) {
332 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
333 return 0;
334 }
335
336 /* read command */
337 fm801_writew(chip, AC97_CMD,
338 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
339 if (!fm801_ac97_is_ready(chip, 100)) {
340 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
341 ac97->num);
342 return 0;
343 }
344
345 if (!fm801_ac97_is_valid(chip, 1000)) {
346 dev_err(chip->card->dev,
347 "AC'97 interface #%d is not valid (2)\n", ac97->num);
348 return 0;
349 }
350
351 return fm801_readw(chip, AC97_DATA);
352 }
353
354 static const unsigned int rates[] = {
355 5500, 8000, 9600, 11025,
356 16000, 19200, 22050, 32000,
357 38400, 44100, 48000
358 };
359
360 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
361 .count = ARRAY_SIZE(rates),
362 .list = rates,
363 .mask = 0,
364 };
365
366 static const unsigned int channels[] = {
367 2, 4, 6
368 };
369
370 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
371 .count = ARRAY_SIZE(channels),
372 .list = channels,
373 .mask = 0,
374 };
375
376 /*
377 * Sample rate routines
378 */
379
380 static unsigned short snd_fm801_rate_bits(unsigned int rate)
381 {
382 unsigned int idx;
383
384 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
385 if (rates[idx] == rate)
386 return idx;
387 snd_BUG();
388 return ARRAY_SIZE(rates) - 1;
389 }
390
391 /*
392 * PCM part
393 */
394
395 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
396 int cmd)
397 {
398 struct fm801 *chip = snd_pcm_substream_chip(substream);
399
400 spin_lock(&chip->reg_lock);
401 switch (cmd) {
402 case SNDRV_PCM_TRIGGER_START:
403 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
404 FM801_BUF2_LAST |
405 FM801_PAUSE);
406 chip->ply_ctrl |= FM801_START |
407 FM801_IMMED_STOP;
408 break;
409 case SNDRV_PCM_TRIGGER_STOP:
410 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
411 break;
412 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
413 case SNDRV_PCM_TRIGGER_SUSPEND:
414 chip->ply_ctrl |= FM801_PAUSE;
415 break;
416 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
417 case SNDRV_PCM_TRIGGER_RESUME:
418 chip->ply_ctrl &= ~FM801_PAUSE;
419 break;
420 default:
421 spin_unlock(&chip->reg_lock);
422 snd_BUG();
423 return -EINVAL;
424 }
425 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
426 spin_unlock(&chip->reg_lock);
427 return 0;
428 }
429
430 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
431 int cmd)
432 {
433 struct fm801 *chip = snd_pcm_substream_chip(substream);
434
435 spin_lock(&chip->reg_lock);
436 switch (cmd) {
437 case SNDRV_PCM_TRIGGER_START:
438 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
439 FM801_BUF2_LAST |
440 FM801_PAUSE);
441 chip->cap_ctrl |= FM801_START |
442 FM801_IMMED_STOP;
443 break;
444 case SNDRV_PCM_TRIGGER_STOP:
445 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
446 break;
447 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
448 case SNDRV_PCM_TRIGGER_SUSPEND:
449 chip->cap_ctrl |= FM801_PAUSE;
450 break;
451 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
452 case SNDRV_PCM_TRIGGER_RESUME:
453 chip->cap_ctrl &= ~FM801_PAUSE;
454 break;
455 default:
456 spin_unlock(&chip->reg_lock);
457 snd_BUG();
458 return -EINVAL;
459 }
460 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
461 spin_unlock(&chip->reg_lock);
462 return 0;
463 }
464
465 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
466 {
467 struct fm801 *chip = snd_pcm_substream_chip(substream);
468 struct snd_pcm_runtime *runtime = substream->runtime;
469
470 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
471 chip->ply_count = snd_pcm_lib_period_bytes(substream);
472 spin_lock_irq(&chip->reg_lock);
473 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
474 FM801_STEREO | FM801_RATE_MASK |
475 FM801_CHANNELS_MASK);
476 if (snd_pcm_format_width(runtime->format) == 16)
477 chip->ply_ctrl |= FM801_16BIT;
478 if (runtime->channels > 1) {
479 chip->ply_ctrl |= FM801_STEREO;
480 if (runtime->channels == 4)
481 chip->ply_ctrl |= FM801_CHANNELS_4;
482 else if (runtime->channels == 6)
483 chip->ply_ctrl |= FM801_CHANNELS_6;
484 }
485 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
486 chip->ply_buf = 0;
487 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
488 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
489 chip->ply_buffer = runtime->dma_addr;
490 chip->ply_pos = 0;
491 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
492 fm801_writel(chip, PLY_BUF2,
493 chip->ply_buffer + (chip->ply_count % chip->ply_size));
494 spin_unlock_irq(&chip->reg_lock);
495 return 0;
496 }
497
498 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
499 {
500 struct fm801 *chip = snd_pcm_substream_chip(substream);
501 struct snd_pcm_runtime *runtime = substream->runtime;
502
503 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
504 chip->cap_count = snd_pcm_lib_period_bytes(substream);
505 spin_lock_irq(&chip->reg_lock);
506 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
507 FM801_STEREO | FM801_RATE_MASK);
508 if (snd_pcm_format_width(runtime->format) == 16)
509 chip->cap_ctrl |= FM801_16BIT;
510 if (runtime->channels > 1)
511 chip->cap_ctrl |= FM801_STEREO;
512 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
513 chip->cap_buf = 0;
514 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
515 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
516 chip->cap_buffer = runtime->dma_addr;
517 chip->cap_pos = 0;
518 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
519 fm801_writel(chip, CAP_BUF2,
520 chip->cap_buffer + (chip->cap_count % chip->cap_size));
521 spin_unlock_irq(&chip->reg_lock);
522 return 0;
523 }
524
525 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
526 {
527 struct fm801 *chip = snd_pcm_substream_chip(substream);
528 size_t ptr;
529
530 if (!(chip->ply_ctrl & FM801_START))
531 return 0;
532 spin_lock(&chip->reg_lock);
533 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
534 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
535 ptr += chip->ply_count;
536 ptr %= chip->ply_size;
537 }
538 spin_unlock(&chip->reg_lock);
539 return bytes_to_frames(substream->runtime, ptr);
540 }
541
542 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
543 {
544 struct fm801 *chip = snd_pcm_substream_chip(substream);
545 size_t ptr;
546
547 if (!(chip->cap_ctrl & FM801_START))
548 return 0;
549 spin_lock(&chip->reg_lock);
550 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
551 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
552 ptr += chip->cap_count;
553 ptr %= chip->cap_size;
554 }
555 spin_unlock(&chip->reg_lock);
556 return bytes_to_frames(substream->runtime, ptr);
557 }
558
559 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
560 {
561 struct fm801 *chip = dev_id;
562 unsigned short status;
563 unsigned int tmp;
564
565 status = fm801_readw(chip, IRQ_STATUS);
566 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
567 if (! status)
568 return IRQ_NONE;
569 /* ack first */
570 fm801_writew(chip, IRQ_STATUS, status);
571 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
572 spin_lock(&chip->reg_lock);
573 chip->ply_buf++;
574 chip->ply_pos += chip->ply_count;
575 chip->ply_pos %= chip->ply_size;
576 tmp = chip->ply_pos + chip->ply_count;
577 tmp %= chip->ply_size;
578 if (chip->ply_buf & 1)
579 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
580 else
581 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
582 spin_unlock(&chip->reg_lock);
583 snd_pcm_period_elapsed(chip->playback_substream);
584 }
585 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
586 spin_lock(&chip->reg_lock);
587 chip->cap_buf++;
588 chip->cap_pos += chip->cap_count;
589 chip->cap_pos %= chip->cap_size;
590 tmp = chip->cap_pos + chip->cap_count;
591 tmp %= chip->cap_size;
592 if (chip->cap_buf & 1)
593 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
594 else
595 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
596 spin_unlock(&chip->reg_lock);
597 snd_pcm_period_elapsed(chip->capture_substream);
598 }
599 if (chip->rmidi && (status & FM801_IRQ_MPU))
600 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
601 if (status & FM801_IRQ_VOLUME) {
602 /* TODO */
603 }
604
605 return IRQ_HANDLED;
606 }
607
608 static const struct snd_pcm_hardware snd_fm801_playback =
609 {
610 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
611 SNDRV_PCM_INFO_BLOCK_TRANSFER |
612 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
613 SNDRV_PCM_INFO_MMAP_VALID),
614 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
615 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
616 .rate_min = 5500,
617 .rate_max = 48000,
618 .channels_min = 1,
619 .channels_max = 2,
620 .buffer_bytes_max = (128*1024),
621 .period_bytes_min = 64,
622 .period_bytes_max = (128*1024),
623 .periods_min = 1,
624 .periods_max = 1024,
625 .fifo_size = 0,
626 };
627
628 static const struct snd_pcm_hardware snd_fm801_capture =
629 {
630 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
631 SNDRV_PCM_INFO_BLOCK_TRANSFER |
632 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
633 SNDRV_PCM_INFO_MMAP_VALID),
634 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
635 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
636 .rate_min = 5500,
637 .rate_max = 48000,
638 .channels_min = 1,
639 .channels_max = 2,
640 .buffer_bytes_max = (128*1024),
641 .period_bytes_min = 64,
642 .period_bytes_max = (128*1024),
643 .periods_min = 1,
644 .periods_max = 1024,
645 .fifo_size = 0,
646 };
647
648 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
649 {
650 struct fm801 *chip = snd_pcm_substream_chip(substream);
651 struct snd_pcm_runtime *runtime = substream->runtime;
652 int err;
653
654 chip->playback_substream = substream;
655 runtime->hw = snd_fm801_playback;
656 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
657 &hw_constraints_rates);
658 if (chip->multichannel) {
659 runtime->hw.channels_max = 6;
660 snd_pcm_hw_constraint_list(runtime, 0,
661 SNDRV_PCM_HW_PARAM_CHANNELS,
662 &hw_constraints_channels);
663 }
664 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
665 return err;
666 return 0;
667 }
668
669 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
670 {
671 struct fm801 *chip = snd_pcm_substream_chip(substream);
672 struct snd_pcm_runtime *runtime = substream->runtime;
673 int err;
674
675 chip->capture_substream = substream;
676 runtime->hw = snd_fm801_capture;
677 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
678 &hw_constraints_rates);
679 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
680 return err;
681 return 0;
682 }
683
684 static 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
692 static 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
700 static 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
708 static 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
716 static int snd_fm801_pcm(struct fm801 *chip, int device)
717 {
718 struct pci_dev *pdev = to_pci_dev(chip->dev);
719 struct snd_pcm *pcm;
720 int err;
721
722 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
723 return err;
724
725 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
726 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
727
728 pcm->private_data = chip;
729 pcm->info_flags = 0;
730 strcpy(pcm->name, "FM801");
731 chip->pcm = pcm;
732
733 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
734 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
735
736 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
737 snd_pcm_alt_chmaps,
738 chip->multichannel ? 6 : 2, 0,
739 NULL);
740 }
741
742 /*
743 * TEA5757 radio
744 */
745
746 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
747
748 /* GPIO to TEA575x maps */
749 struct snd_fm801_tea575x_gpio {
750 u8 data, clk, wren, most;
751 char *name;
752 };
753
754 static const struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
755 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
756 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
757 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
758 };
759
760 #define get_tea575x_gpio(chip) \
761 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
762
763 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
764 {
765 struct fm801 *chip = tea->private_data;
766 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
767 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
768
769 reg &= ~(FM801_GPIO_GP(gpio.data) |
770 FM801_GPIO_GP(gpio.clk) |
771 FM801_GPIO_GP(gpio.wren));
772
773 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
774 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
775 /* WRITE_ENABLE is inverted */
776 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
777
778 fm801_writew(chip, GPIO_CTRL, reg);
779 }
780
781 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
782 {
783 struct fm801 *chip = tea->private_data;
784 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
785 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
786 u8 ret;
787
788 ret = 0;
789 if (reg & FM801_GPIO_GP(gpio.data))
790 ret |= TEA575X_DATA;
791 if (reg & FM801_GPIO_GP(gpio.most))
792 ret |= TEA575X_MOST;
793 return ret;
794 }
795
796 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
797 {
798 struct fm801 *chip = tea->private_data;
799 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
800 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
801
802 /* use GPIO lines and set write enable bit */
803 reg |= FM801_GPIO_GS(gpio.data) |
804 FM801_GPIO_GS(gpio.wren) |
805 FM801_GPIO_GS(gpio.clk) |
806 FM801_GPIO_GS(gpio.most);
807 if (output) {
808 /* all of lines are in the write direction */
809 /* clear data and clock lines */
810 reg &= ~(FM801_GPIO_GD(gpio.data) |
811 FM801_GPIO_GD(gpio.wren) |
812 FM801_GPIO_GD(gpio.clk) |
813 FM801_GPIO_GP(gpio.data) |
814 FM801_GPIO_GP(gpio.clk) |
815 FM801_GPIO_GP(gpio.wren));
816 } else {
817 /* use GPIO lines, set data direction to input */
818 reg |= FM801_GPIO_GD(gpio.data) |
819 FM801_GPIO_GD(gpio.most) |
820 FM801_GPIO_GP(gpio.data) |
821 FM801_GPIO_GP(gpio.most) |
822 FM801_GPIO_GP(gpio.wren);
823 /* all of lines are in the write direction, except data */
824 /* clear data, write enable and clock lines */
825 reg &= ~(FM801_GPIO_GD(gpio.wren) |
826 FM801_GPIO_GD(gpio.clk) |
827 FM801_GPIO_GP(gpio.clk));
828 }
829
830 fm801_writew(chip, GPIO_CTRL, reg);
831 }
832
833 static const struct snd_tea575x_ops snd_fm801_tea_ops = {
834 .set_pins = snd_fm801_tea575x_set_pins,
835 .get_pins = snd_fm801_tea575x_get_pins,
836 .set_direction = snd_fm801_tea575x_set_direction,
837 };
838 #endif
839
840 /*
841 * Mixer routines
842 */
843
844 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
846 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
847 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
848
849 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
850 struct snd_ctl_elem_info *uinfo)
851 {
852 int mask = (kcontrol->private_value >> 16) & 0xff;
853
854 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
855 uinfo->count = 1;
856 uinfo->value.integer.min = 0;
857 uinfo->value.integer.max = mask;
858 return 0;
859 }
860
861 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
862 struct snd_ctl_elem_value *ucontrol)
863 {
864 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
865 int reg = kcontrol->private_value & 0xff;
866 int shift = (kcontrol->private_value >> 8) & 0xff;
867 int mask = (kcontrol->private_value >> 16) & 0xff;
868 int invert = (kcontrol->private_value >> 24) & 0xff;
869 long *value = ucontrol->value.integer.value;
870
871 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
872 if (invert)
873 value[0] = mask - value[0];
874 return 0;
875 }
876
877 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
878 struct snd_ctl_elem_value *ucontrol)
879 {
880 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
881 int reg = kcontrol->private_value & 0xff;
882 int shift = (kcontrol->private_value >> 8) & 0xff;
883 int mask = (kcontrol->private_value >> 16) & 0xff;
884 int invert = (kcontrol->private_value >> 24) & 0xff;
885 unsigned short val;
886
887 val = (ucontrol->value.integer.value[0] & mask);
888 if (invert)
889 val = mask - val;
890 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
891 }
892
893 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
894 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
895 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
896 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
897 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
898 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
899 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
900 .name = xname, .info = snd_fm801_info_double, \
901 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
902 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
903 .tlv = { .p = (xtlv) } }
904
905 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
906 struct snd_ctl_elem_info *uinfo)
907 {
908 int mask = (kcontrol->private_value >> 16) & 0xff;
909
910 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
911 uinfo->count = 2;
912 uinfo->value.integer.min = 0;
913 uinfo->value.integer.max = mask;
914 return 0;
915 }
916
917 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
918 struct snd_ctl_elem_value *ucontrol)
919 {
920 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
921 int reg = kcontrol->private_value & 0xff;
922 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
923 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
924 int mask = (kcontrol->private_value >> 16) & 0xff;
925 int invert = (kcontrol->private_value >> 24) & 0xff;
926 long *value = ucontrol->value.integer.value;
927
928 spin_lock_irq(&chip->reg_lock);
929 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
930 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
931 spin_unlock_irq(&chip->reg_lock);
932 if (invert) {
933 value[0] = mask - value[0];
934 value[1] = mask - value[1];
935 }
936 return 0;
937 }
938
939 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
940 struct snd_ctl_elem_value *ucontrol)
941 {
942 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
943 int reg = kcontrol->private_value & 0xff;
944 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
945 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
946 int mask = (kcontrol->private_value >> 16) & 0xff;
947 int invert = (kcontrol->private_value >> 24) & 0xff;
948 unsigned short val1, val2;
949
950 val1 = ucontrol->value.integer.value[0] & mask;
951 val2 = ucontrol->value.integer.value[1] & mask;
952 if (invert) {
953 val1 = mask - val1;
954 val2 = mask - val2;
955 }
956 return snd_fm801_update_bits(chip, reg,
957 (mask << shift_left) | (mask << shift_right),
958 (val1 << shift_left ) | (val2 << shift_right));
959 }
960
961 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
962 struct snd_ctl_elem_info *uinfo)
963 {
964 static const char * const texts[5] = {
965 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
966 };
967
968 return snd_ctl_enum_info(uinfo, 1, 5, texts);
969 }
970
971 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
972 struct snd_ctl_elem_value *ucontrol)
973 {
974 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
975 unsigned short val;
976
977 val = fm801_readw(chip, REC_SRC) & 7;
978 if (val > 4)
979 val = 4;
980 ucontrol->value.enumerated.item[0] = val;
981 return 0;
982 }
983
984 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
985 struct snd_ctl_elem_value *ucontrol)
986 {
987 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
988 unsigned short val;
989
990 if ((val = ucontrol->value.enumerated.item[0]) > 4)
991 return -EINVAL;
992 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
993 }
994
995 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
996
997 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
998
999 static const struct snd_kcontrol_new snd_fm801_controls[] = {
1000 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1001 db_scale_dsp),
1002 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1003 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1004 db_scale_dsp),
1005 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1006 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1007 db_scale_dsp),
1008 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1009 {
1010 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1011 .name = "Digital Capture Source",
1012 .info = snd_fm801_info_mux,
1013 .get = snd_fm801_get_mux,
1014 .put = snd_fm801_put_mux,
1015 }
1016 };
1017
1018 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1019
1020 static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1021 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1022 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1023 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1024 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1025 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1027 };
1028
1029 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1030 {
1031 struct fm801 *chip = bus->private_data;
1032 chip->ac97_bus = NULL;
1033 }
1034
1035 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1036 {
1037 struct fm801 *chip = ac97->private_data;
1038 if (ac97->num == 0) {
1039 chip->ac97 = NULL;
1040 } else {
1041 chip->ac97_sec = NULL;
1042 }
1043 }
1044
1045 static int snd_fm801_mixer(struct fm801 *chip)
1046 {
1047 struct snd_ac97_template ac97;
1048 unsigned int i;
1049 int err;
1050 static const struct snd_ac97_bus_ops ops = {
1051 .write = snd_fm801_codec_write,
1052 .read = snd_fm801_codec_read,
1053 };
1054
1055 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1056 return err;
1057 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1058
1059 memset(&ac97, 0, sizeof(ac97));
1060 ac97.private_data = chip;
1061 ac97.private_free = snd_fm801_mixer_free_ac97;
1062 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1063 return err;
1064 if (chip->secondary) {
1065 ac97.num = 1;
1066 ac97.addr = chip->secondary_addr;
1067 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1068 return err;
1069 }
1070 for (i = 0; i < FM801_CONTROLS; i++) {
1071 err = snd_ctl_add(chip->card,
1072 snd_ctl_new1(&snd_fm801_controls[i], chip));
1073 if (err < 0)
1074 return err;
1075 }
1076 if (chip->multichannel) {
1077 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1078 err = snd_ctl_add(chip->card,
1079 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1080 if (err < 0)
1081 return err;
1082 }
1083 }
1084 return 0;
1085 }
1086
1087 /*
1088 * initialization routines
1089 */
1090
1091 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1092 unsigned short reg, unsigned long waits)
1093 {
1094 unsigned long timeout = jiffies + waits;
1095
1096 fm801_writew(chip, AC97_CMD,
1097 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1098 udelay(5);
1099 do {
1100 if ((fm801_readw(chip, AC97_CMD) &
1101 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1102 return 0;
1103 schedule_timeout_uninterruptible(1);
1104 } while (time_after(timeout, jiffies));
1105 return -EIO;
1106 }
1107
1108 static int reset_codec(struct fm801 *chip)
1109 {
1110 /* codec cold reset + AC'97 warm reset */
1111 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1112 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1113 udelay(100);
1114 fm801_writew(chip, CODEC_CTRL, 0);
1115
1116 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1117 }
1118
1119 static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1120 {
1121 unsigned short cmdw;
1122
1123 if (chip->multichannel) {
1124 if (chip->secondary_addr) {
1125 wait_for_codec(chip, chip->secondary_addr,
1126 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1127 } else {
1128 /* my card has the secondary codec */
1129 /* at address #3, so the loop is inverted */
1130 int i;
1131 for (i = 3; i > 0; i--) {
1132 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1133 msecs_to_jiffies(50))) {
1134 cmdw = fm801_readw(chip, AC97_DATA);
1135 if (cmdw != 0xffff && cmdw != 0) {
1136 chip->secondary = 1;
1137 chip->secondary_addr = i;
1138 break;
1139 }
1140 }
1141 }
1142 }
1143
1144 /* the recovery phase, it seems that probing for non-existing codec might */
1145 /* cause timeout problems */
1146 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1147 }
1148 }
1149
1150 static void snd_fm801_chip_init(struct fm801 *chip)
1151 {
1152 unsigned short cmdw;
1153
1154 /* init volume */
1155 fm801_writew(chip, PCM_VOL, 0x0808);
1156 fm801_writew(chip, FM_VOL, 0x9f1f);
1157 fm801_writew(chip, I2S_VOL, 0x8808);
1158
1159 /* I2S control - I2S mode */
1160 fm801_writew(chip, I2S_MODE, 0x0003);
1161
1162 /* interrupt setup */
1163 cmdw = fm801_readw(chip, IRQ_MASK);
1164 if (chip->irq < 0)
1165 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1166 else
1167 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1168 fm801_writew(chip, IRQ_MASK, cmdw);
1169
1170 /* interrupt clear */
1171 fm801_writew(chip, IRQ_STATUS,
1172 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1173 }
1174
1175 static int snd_fm801_free(struct fm801 *chip)
1176 {
1177 unsigned short cmdw;
1178
1179 if (chip->irq < 0)
1180 goto __end_hw;
1181
1182 /* interrupt setup - mask everything */
1183 cmdw = fm801_readw(chip, IRQ_MASK);
1184 cmdw |= 0x00c3;
1185 fm801_writew(chip, IRQ_MASK, cmdw);
1186
1187 devm_free_irq(chip->dev, chip->irq, chip);
1188
1189 __end_hw:
1190 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1191 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1192 snd_tea575x_exit(&chip->tea);
1193 v4l2_device_unregister(&chip->v4l2_dev);
1194 }
1195 #endif
1196 return 0;
1197 }
1198
1199 static int snd_fm801_dev_free(struct snd_device *device)
1200 {
1201 struct fm801 *chip = device->device_data;
1202 return snd_fm801_free(chip);
1203 }
1204
1205 static int snd_fm801_create(struct snd_card *card,
1206 struct pci_dev *pci,
1207 int tea575x_tuner,
1208 int radio_nr,
1209 struct fm801 **rchip)
1210 {
1211 struct fm801 *chip;
1212 int err;
1213 static const struct snd_device_ops ops = {
1214 .dev_free = snd_fm801_dev_free,
1215 };
1216
1217 *rchip = NULL;
1218 if ((err = pcim_enable_device(pci)) < 0)
1219 return err;
1220 chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1221 if (chip == NULL)
1222 return -ENOMEM;
1223 spin_lock_init(&chip->reg_lock);
1224 chip->card = card;
1225 chip->dev = &pci->dev;
1226 chip->irq = -1;
1227 chip->tea575x_tuner = tea575x_tuner;
1228 if ((err = pci_request_regions(pci, "FM801")) < 0)
1229 return err;
1230 chip->port = pci_resource_start(pci, 0);
1231
1232 if (pci->revision >= 0xb1) /* FM801-AU */
1233 chip->multichannel = 1;
1234
1235 if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1236 if (reset_codec(chip) < 0) {
1237 dev_info(chip->card->dev,
1238 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1239 chip->tea575x_tuner = 3 | TUNER_ONLY;
1240 } else {
1241 snd_fm801_chip_multichannel_init(chip);
1242 }
1243 }
1244
1245 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1246 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1247 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1248 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1249 snd_fm801_free(chip);
1250 return -EBUSY;
1251 }
1252 chip->irq = pci->irq;
1253 card->sync_irq = chip->irq;
1254 pci_set_master(pci);
1255 }
1256
1257 snd_fm801_chip_init(chip);
1258
1259 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1260 snd_fm801_free(chip);
1261 return err;
1262 }
1263
1264 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1265 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1266 if (err < 0) {
1267 snd_fm801_free(chip);
1268 return err;
1269 }
1270 chip->tea.v4l2_dev = &chip->v4l2_dev;
1271 chip->tea.radio_nr = radio_nr;
1272 chip->tea.private_data = chip;
1273 chip->tea.ops = &snd_fm801_tea_ops;
1274 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1275 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1276 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1277 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1278 dev_err(card->dev, "TEA575x radio not found\n");
1279 snd_fm801_free(chip);
1280 return -ENODEV;
1281 }
1282 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1283 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1284
1285 /* autodetect tuner connection */
1286 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1287 chip->tea575x_tuner = tea575x_tuner;
1288 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1289 dev_info(card->dev,
1290 "detected TEA575x radio type %s\n",
1291 get_tea575x_gpio(chip)->name);
1292 break;
1293 }
1294 }
1295 if (tea575x_tuner == 4) {
1296 dev_err(card->dev, "TEA575x radio not found\n");
1297 chip->tea575x_tuner = TUNER_DISABLED;
1298 }
1299
1300 chip->tea575x_tuner |= tuner_only;
1301 }
1302 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1303 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1304 sizeof(chip->tea.card));
1305 }
1306 #endif
1307
1308 *rchip = chip;
1309 return 0;
1310 }
1311
1312 static int snd_card_fm801_probe(struct pci_dev *pci,
1313 const struct pci_device_id *pci_id)
1314 {
1315 static int dev;
1316 struct snd_card *card;
1317 struct fm801 *chip;
1318 struct snd_opl3 *opl3;
1319 int err;
1320
1321 if (dev >= SNDRV_CARDS)
1322 return -ENODEV;
1323 if (!enable[dev]) {
1324 dev++;
1325 return -ENOENT;
1326 }
1327
1328 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1329 0, &card);
1330 if (err < 0)
1331 return err;
1332 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1333 snd_card_free(card);
1334 return err;
1335 }
1336 card->private_data = chip;
1337
1338 strcpy(card->driver, "FM801");
1339 strcpy(card->shortname, "ForteMedia FM801-");
1340 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1341 sprintf(card->longname, "%s at 0x%lx, irq %i",
1342 card->shortname, chip->port, chip->irq);
1343
1344 if (chip->tea575x_tuner & TUNER_ONLY)
1345 goto __fm801_tuner_only;
1346
1347 if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1348 snd_card_free(card);
1349 return err;
1350 }
1351 if ((err = snd_fm801_mixer(chip)) < 0) {
1352 snd_card_free(card);
1353 return err;
1354 }
1355 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1356 chip->port + FM801_MPU401_DATA,
1357 MPU401_INFO_INTEGRATED |
1358 MPU401_INFO_IRQ_HOOK,
1359 -1, &chip->rmidi)) < 0) {
1360 snd_card_free(card);
1361 return err;
1362 }
1363 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1364 chip->port + FM801_OPL3_BANK1,
1365 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1366 snd_card_free(card);
1367 return err;
1368 }
1369 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1370 snd_card_free(card);
1371 return err;
1372 }
1373
1374 __fm801_tuner_only:
1375 if ((err = snd_card_register(card)) < 0) {
1376 snd_card_free(card);
1377 return err;
1378 }
1379 pci_set_drvdata(pci, card);
1380 dev++;
1381 return 0;
1382 }
1383
1384 static void snd_card_fm801_remove(struct pci_dev *pci)
1385 {
1386 snd_card_free(pci_get_drvdata(pci));
1387 }
1388
1389 #ifdef CONFIG_PM_SLEEP
1390 static const unsigned char saved_regs[] = {
1391 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1392 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1393 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1394 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1395 };
1396
1397 static int snd_fm801_suspend(struct device *dev)
1398 {
1399 struct snd_card *card = dev_get_drvdata(dev);
1400 struct fm801 *chip = card->private_data;
1401 int i;
1402
1403 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1404
1405 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1406 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1407
1408 if (chip->tea575x_tuner & TUNER_ONLY) {
1409 /* FIXME: tea575x suspend */
1410 } else {
1411 snd_ac97_suspend(chip->ac97);
1412 snd_ac97_suspend(chip->ac97_sec);
1413 }
1414
1415 return 0;
1416 }
1417
1418 static int snd_fm801_resume(struct device *dev)
1419 {
1420 struct snd_card *card = dev_get_drvdata(dev);
1421 struct fm801 *chip = card->private_data;
1422 int i;
1423
1424 if (chip->tea575x_tuner & TUNER_ONLY) {
1425 snd_fm801_chip_init(chip);
1426 } else {
1427 reset_codec(chip);
1428 snd_fm801_chip_multichannel_init(chip);
1429 snd_fm801_chip_init(chip);
1430 snd_ac97_resume(chip->ac97);
1431 snd_ac97_resume(chip->ac97_sec);
1432 }
1433
1434 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1435 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1436
1437 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1438 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1439 snd_tea575x_set_freq(&chip->tea);
1440 #endif
1441
1442 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1443 return 0;
1444 }
1445
1446 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1447 #define SND_FM801_PM_OPS &snd_fm801_pm
1448 #else
1449 #define SND_FM801_PM_OPS NULL
1450 #endif /* CONFIG_PM_SLEEP */
1451
1452 static struct pci_driver fm801_driver = {
1453 .name = KBUILD_MODNAME,
1454 .id_table = snd_fm801_ids,
1455 .probe = snd_card_fm801_probe,
1456 .remove = snd_card_fm801_remove,
1457 .driver = {
1458 .pm = SND_FM801_PM_OPS,
1459 },
1460 };
1461
1462 module_pci_driver(fm801_driver);
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