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[linux/fpc-iii.git] / sound / pci / fm801.c
blob3ef7d507eb9bfe12c8c1b64c192bb578075c4aa4
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 * @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 */
155 struct 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
209 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
210 {
211 outw(value, chip->port + offset);
212 }
213
214 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
215 {
216 return inw(chip->port + offset);
217 }
218
219 static 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
225 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
226
227 /*
228 * common I/O routines
229 */
230
231 static 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
243 static 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
255 static 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
272 static 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
297 static 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
327 static const unsigned int rates[] = {
328 5500, 8000, 9600, 11025,
329 16000, 19200, 22050, 32000,
330 38400, 44100, 48000
331 };
332
333 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
334 .count = ARRAY_SIZE(rates),
335 .list = rates,
336 .mask = 0,
337 };
338
339 static const unsigned int channels[] = {
340 2, 4, 6
341 };
342
343 static 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
353 static 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
368 static 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
403 static 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
438 static 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
444 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
445 {
446 return snd_pcm_lib_free_pages(substream);
447 }
448
449 static 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
482 static 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
509 static 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
526 static 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
543 static 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
592 static 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
612 static 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
632 static 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
653 static 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
668 static 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
676 static 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
684 static 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
695 static 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
706 static 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 */
740 struct snd_fm801_tea575x_gpio {
741 u8 data, clk, wren, most;
742 char *name;
743 };
744
745 static 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
754 static 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
772 static 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
787 static 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
824 static 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
840 static 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
852 static 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
868 static 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
896 static 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
908 static 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
930 static 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
952 static 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
962 static 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
975 static 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
986 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
987
988 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
989
990 static struct snd_kcontrol_new snd_fm801_controls[] = {
991 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
992 db_scale_dsp),
993 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
994 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
995 db_scale_dsp),
996 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
997 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
998 db_scale_dsp),
999 FM801_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
1011 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1012 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1013 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1015 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1016 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1017 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1018 };
1019
1020 static 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
1026 static 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
1036 static 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
1082 static 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
1099 static 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
1110 static 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
1141 static 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
1166 static 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
1190 static 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
1196 static 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
1302 static 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
1374 static 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
1380 static 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
1387 static 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
1408 static 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
1436 static 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
1442 static 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
1452 module_pci_driver(fm801_driver);
Linux with added FPC-III support