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nfsd4: don't try to encode conflicting owner if low on space
[linux/fpc-iii.git] / sound / pci / fm801.c
blobdb18ccabadd6abb3914b9b1d70c314232fda92ac
1 /*
2 * The driver for the ForteMedia FM801 based soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 *
5 * Support FM only card by Andy Shevchenko <andy@smile.org.ua>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/pci.h>
27 #include <linux/slab.h>
28 #include <linux/module.h>
29 #include <sound/core.h>
30 #include <sound/pcm.h>
31 #include <sound/tlv.h>
32 #include <sound/ac97_codec.h>
33 #include <sound/mpu401.h>
34 #include <sound/opl3.h>
35 #include <sound/initval.h>
36
37 #include <asm/io.h>
38
39 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
40 #include <media/tea575x.h>
41 #endif
42
43 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
44 MODULE_DESCRIPTION("ForteMedia FM801");
45 MODULE_LICENSE("GPL");
46 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
47 "{Genius,SoundMaker Live 5.1}}");
48
49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
51 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
52 /*
53 * Enable TEA575x tuner
54 * 1 = MediaForte 256-PCS
55 * 2 = MediaForte 256-PCP
56 * 3 = MediaForte 64-PCR
57 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
58 * High 16-bits are video (radio) device number + 1
59 */
60 static int tea575x_tuner[SNDRV_CARDS];
61 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
62
63 module_param_array(index, int, NULL, 0444);
64 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
65 module_param_array(id, charp, NULL, 0444);
66 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
67 module_param_array(enable, bool, NULL, 0444);
68 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
69 module_param_array(tea575x_tuner, int, NULL, 0444);
70 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).");
71 module_param_array(radio_nr, int, NULL, 0444);
72 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
73
74
75 #define TUNER_DISABLED (1<<3)
76 #define TUNER_ONLY (1<<4)
77 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
78
79 /*
80 * Direct registers
81 */
82
83 #define FM801_REG(chip, reg) (chip->port + FM801_##reg)
84
85 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */
86 #define FM801_FM_VOL 0x02 /* FM Output Volume */
87 #define FM801_I2S_VOL 0x04 /* I2S Volume */
88 #define FM801_REC_SRC 0x06 /* Record Source */
89 #define FM801_PLY_CTRL 0x08 /* Playback Control */
90 #define FM801_PLY_COUNT 0x0a /* Playback Count */
91 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
92 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
93 #define FM801_CAP_CTRL 0x14 /* Capture Control */
94 #define FM801_CAP_COUNT 0x16 /* Capture Count */
95 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
96 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
97 #define FM801_CODEC_CTRL 0x22 /* Codec Control */
98 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */
99 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
100 #define FM801_I2C_CTRL 0x29 /* I2C Control */
101 #define FM801_AC97_CMD 0x2a /* AC'97 Command */
102 #define FM801_AC97_DATA 0x2c /* AC'97 Data */
103 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */
104 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */
105 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
106 #define FM801_GEN_CTRL 0x54 /* General Control */
107 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
108 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
109 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
110 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
111 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
112 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
113 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
114
115 /* codec access */
116 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */
117 #define FM801_AC97_VALID (1<<8) /* port valid=1 */
118 #define FM801_AC97_BUSY (1<<9) /* busy=1 */
119 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
120
121 /* playback and record control register bits */
122 #define FM801_BUF1_LAST (1<<1)
123 #define FM801_BUF2_LAST (1<<2)
124 #define FM801_START (1<<5)
125 #define FM801_PAUSE (1<<6)
126 #define FM801_IMMED_STOP (1<<7)
127 #define FM801_RATE_SHIFT 8
128 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
129 #define FM801_CHANNELS_4 (1<<12) /* playback only */
130 #define FM801_CHANNELS_6 (2<<12) /* playback only */
131 #define FM801_CHANNELS_6MS (3<<12) /* playback only */
132 #define FM801_CHANNELS_MASK (3<<12)
133 #define FM801_16BIT (1<<14)
134 #define FM801_STEREO (1<<15)
135
136 /* IRQ status bits */
137 #define FM801_IRQ_PLAYBACK (1<<8)
138 #define FM801_IRQ_CAPTURE (1<<9)
139 #define FM801_IRQ_VOLUME (1<<14)
140 #define FM801_IRQ_MPU (1<<15)
141
142 /* GPIO control register */
143 #define FM801_GPIO_GP0 (1<<0) /* read/write */
144 #define FM801_GPIO_GP1 (1<<1)
145 #define FM801_GPIO_GP2 (1<<2)
146 #define FM801_GPIO_GP3 (1<<3)
147 #define FM801_GPIO_GP(x) (1<<(0+(x)))
148 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
149 #define FM801_GPIO_GD1 (1<<9)
150 #define FM801_GPIO_GD2 (1<<10)
151 #define FM801_GPIO_GD3 (1<<11)
152 #define FM801_GPIO_GD(x) (1<<(8+(x)))
153 #define FM801_GPIO_GS0 (1<<12) /* function select: */
154 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
155 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
156 #define FM801_GPIO_GS3 (1<<15)
157 #define FM801_GPIO_GS(x) (1<<(12+(x)))
158
159 /*
160
161 */
162
163 struct fm801 {
164 int irq;
165
166 unsigned long port; /* I/O port number */
167 unsigned int multichannel: 1, /* multichannel support */
168 secondary: 1; /* secondary codec */
169 unsigned char secondary_addr; /* address of the secondary codec */
170 unsigned int tea575x_tuner; /* tuner access method & flags */
171
172 unsigned short ply_ctrl; /* playback control */
173 unsigned short cap_ctrl; /* capture control */
174
175 unsigned long ply_buffer;
176 unsigned int ply_buf;
177 unsigned int ply_count;
178 unsigned int ply_size;
179 unsigned int ply_pos;
180
181 unsigned long cap_buffer;
182 unsigned int cap_buf;
183 unsigned int cap_count;
184 unsigned int cap_size;
185 unsigned int cap_pos;
186
187 struct snd_ac97_bus *ac97_bus;
188 struct snd_ac97 *ac97;
189 struct snd_ac97 *ac97_sec;
190
191 struct pci_dev *pci;
192 struct snd_card *card;
193 struct snd_pcm *pcm;
194 struct snd_rawmidi *rmidi;
195 struct snd_pcm_substream *playback_substream;
196 struct snd_pcm_substream *capture_substream;
197 unsigned int p_dma_size;
198 unsigned int c_dma_size;
199
200 spinlock_t reg_lock;
201 struct snd_info_entry *proc_entry;
202
203 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
204 struct v4l2_device v4l2_dev;
205 struct snd_tea575x tea;
206 #endif
207
208 #ifdef CONFIG_PM_SLEEP
209 u16 saved_regs[0x20];
210 #endif
211 };
212
213 static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
214 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
215 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
216 { 0, }
217 };
218
219 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
220
221 /*
222 * common I/O routines
223 */
224
225 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
226 unsigned short mask, unsigned short value)
227 {
228 int change;
229 unsigned long flags;
230 unsigned short old, new;
231
232 spin_lock_irqsave(&chip->reg_lock, flags);
233 old = inw(chip->port + reg);
234 new = (old & ~mask) | value;
235 change = old != new;
236 if (change)
237 outw(new, chip->port + reg);
238 spin_unlock_irqrestore(&chip->reg_lock, flags);
239 return change;
240 }
241
242 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
243 unsigned short reg,
244 unsigned short val)
245 {
246 struct fm801 *chip = ac97->private_data;
247 int idx;
248
249 /*
250 * Wait until the codec interface is not ready..
251 */
252 for (idx = 0; idx < 100; idx++) {
253 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
254 goto ok1;
255 udelay(10);
256 }
257 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
258 return;
259
260 ok1:
261 /* write data and address */
262 outw(val, FM801_REG(chip, AC97_DATA));
263 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
264 /*
265 * Wait until the write command is not completed..
266 */
267 for (idx = 0; idx < 1000; idx++) {
268 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
269 return;
270 udelay(10);
271 }
272 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", ac97->num);
273 }
274
275 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
276 {
277 struct fm801 *chip = ac97->private_data;
278 int idx;
279
280 /*
281 * Wait until the codec interface is not ready..
282 */
283 for (idx = 0; idx < 100; idx++) {
284 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
285 goto ok1;
286 udelay(10);
287 }
288 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
289 return 0;
290
291 ok1:
292 /* read command */
293 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
294 FM801_REG(chip, AC97_CMD));
295 for (idx = 0; idx < 100; idx++) {
296 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
297 goto ok2;
298 udelay(10);
299 }
300 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", ac97->num);
301 return 0;
302
303 ok2:
304 for (idx = 0; idx < 1000; idx++) {
305 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
306 goto ok3;
307 udelay(10);
308 }
309 dev_err(chip->card->dev, "AC'97 interface #%d is not valid (2)\n", ac97->num);
310 return 0;
311
312 ok3:
313 return inw(FM801_REG(chip, AC97_DATA));
314 }
315
316 static unsigned int rates[] = {
317 5500, 8000, 9600, 11025,
318 16000, 19200, 22050, 32000,
319 38400, 44100, 48000
320 };
321
322 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
323 .count = ARRAY_SIZE(rates),
324 .list = rates,
325 .mask = 0,
326 };
327
328 static unsigned int channels[] = {
329 2, 4, 6
330 };
331
332 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
333 .count = ARRAY_SIZE(channels),
334 .list = channels,
335 .mask = 0,
336 };
337
338 /*
339 * Sample rate routines
340 */
341
342 static unsigned short snd_fm801_rate_bits(unsigned int rate)
343 {
344 unsigned int idx;
345
346 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
347 if (rates[idx] == rate)
348 return idx;
349 snd_BUG();
350 return ARRAY_SIZE(rates) - 1;
351 }
352
353 /*
354 * PCM part
355 */
356
357 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
358 int cmd)
359 {
360 struct fm801 *chip = snd_pcm_substream_chip(substream);
361
362 spin_lock(&chip->reg_lock);
363 switch (cmd) {
364 case SNDRV_PCM_TRIGGER_START:
365 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
366 FM801_BUF2_LAST |
367 FM801_PAUSE);
368 chip->ply_ctrl |= FM801_START |
369 FM801_IMMED_STOP;
370 break;
371 case SNDRV_PCM_TRIGGER_STOP:
372 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
373 break;
374 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
375 case SNDRV_PCM_TRIGGER_SUSPEND:
376 chip->ply_ctrl |= FM801_PAUSE;
377 break;
378 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
379 case SNDRV_PCM_TRIGGER_RESUME:
380 chip->ply_ctrl &= ~FM801_PAUSE;
381 break;
382 default:
383 spin_unlock(&chip->reg_lock);
384 snd_BUG();
385 return -EINVAL;
386 }
387 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
388 spin_unlock(&chip->reg_lock);
389 return 0;
390 }
391
392 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
393 int cmd)
394 {
395 struct fm801 *chip = snd_pcm_substream_chip(substream);
396
397 spin_lock(&chip->reg_lock);
398 switch (cmd) {
399 case SNDRV_PCM_TRIGGER_START:
400 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
401 FM801_BUF2_LAST |
402 FM801_PAUSE);
403 chip->cap_ctrl |= FM801_START |
404 FM801_IMMED_STOP;
405 break;
406 case SNDRV_PCM_TRIGGER_STOP:
407 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
408 break;
409 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
410 case SNDRV_PCM_TRIGGER_SUSPEND:
411 chip->cap_ctrl |= FM801_PAUSE;
412 break;
413 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
414 case SNDRV_PCM_TRIGGER_RESUME:
415 chip->cap_ctrl &= ~FM801_PAUSE;
416 break;
417 default:
418 spin_unlock(&chip->reg_lock);
419 snd_BUG();
420 return -EINVAL;
421 }
422 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
423 spin_unlock(&chip->reg_lock);
424 return 0;
425 }
426
427 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
428 struct snd_pcm_hw_params *hw_params)
429 {
430 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
431 }
432
433 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
434 {
435 return snd_pcm_lib_free_pages(substream);
436 }
437
438 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
439 {
440 struct fm801 *chip = snd_pcm_substream_chip(substream);
441 struct snd_pcm_runtime *runtime = substream->runtime;
442
443 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
444 chip->ply_count = snd_pcm_lib_period_bytes(substream);
445 spin_lock_irq(&chip->reg_lock);
446 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
447 FM801_STEREO | FM801_RATE_MASK |
448 FM801_CHANNELS_MASK);
449 if (snd_pcm_format_width(runtime->format) == 16)
450 chip->ply_ctrl |= FM801_16BIT;
451 if (runtime->channels > 1) {
452 chip->ply_ctrl |= FM801_STEREO;
453 if (runtime->channels == 4)
454 chip->ply_ctrl |= FM801_CHANNELS_4;
455 else if (runtime->channels == 6)
456 chip->ply_ctrl |= FM801_CHANNELS_6;
457 }
458 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
459 chip->ply_buf = 0;
460 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
461 outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
462 chip->ply_buffer = runtime->dma_addr;
463 chip->ply_pos = 0;
464 outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
465 outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
466 spin_unlock_irq(&chip->reg_lock);
467 return 0;
468 }
469
470 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
471 {
472 struct fm801 *chip = snd_pcm_substream_chip(substream);
473 struct snd_pcm_runtime *runtime = substream->runtime;
474
475 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
476 chip->cap_count = snd_pcm_lib_period_bytes(substream);
477 spin_lock_irq(&chip->reg_lock);
478 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
479 FM801_STEREO | FM801_RATE_MASK);
480 if (snd_pcm_format_width(runtime->format) == 16)
481 chip->cap_ctrl |= FM801_16BIT;
482 if (runtime->channels > 1)
483 chip->cap_ctrl |= FM801_STEREO;
484 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
485 chip->cap_buf = 0;
486 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
487 outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
488 chip->cap_buffer = runtime->dma_addr;
489 chip->cap_pos = 0;
490 outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
491 outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
492 spin_unlock_irq(&chip->reg_lock);
493 return 0;
494 }
495
496 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
497 {
498 struct fm801 *chip = snd_pcm_substream_chip(substream);
499 size_t ptr;
500
501 if (!(chip->ply_ctrl & FM801_START))
502 return 0;
503 spin_lock(&chip->reg_lock);
504 ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
505 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
506 ptr += chip->ply_count;
507 ptr %= chip->ply_size;
508 }
509 spin_unlock(&chip->reg_lock);
510 return bytes_to_frames(substream->runtime, ptr);
511 }
512
513 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
514 {
515 struct fm801 *chip = snd_pcm_substream_chip(substream);
516 size_t ptr;
517
518 if (!(chip->cap_ctrl & FM801_START))
519 return 0;
520 spin_lock(&chip->reg_lock);
521 ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
522 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
523 ptr += chip->cap_count;
524 ptr %= chip->cap_size;
525 }
526 spin_unlock(&chip->reg_lock);
527 return bytes_to_frames(substream->runtime, ptr);
528 }
529
530 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
531 {
532 struct fm801 *chip = dev_id;
533 unsigned short status;
534 unsigned int tmp;
535
536 status = inw(FM801_REG(chip, IRQ_STATUS));
537 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
538 if (! status)
539 return IRQ_NONE;
540 /* ack first */
541 outw(status, FM801_REG(chip, IRQ_STATUS));
542 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
543 spin_lock(&chip->reg_lock);
544 chip->ply_buf++;
545 chip->ply_pos += chip->ply_count;
546 chip->ply_pos %= chip->ply_size;
547 tmp = chip->ply_pos + chip->ply_count;
548 tmp %= chip->ply_size;
549 outl(chip->ply_buffer + tmp,
550 (chip->ply_buf & 1) ?
551 FM801_REG(chip, PLY_BUF1) :
552 FM801_REG(chip, PLY_BUF2));
553 spin_unlock(&chip->reg_lock);
554 snd_pcm_period_elapsed(chip->playback_substream);
555 }
556 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
557 spin_lock(&chip->reg_lock);
558 chip->cap_buf++;
559 chip->cap_pos += chip->cap_count;
560 chip->cap_pos %= chip->cap_size;
561 tmp = chip->cap_pos + chip->cap_count;
562 tmp %= chip->cap_size;
563 outl(chip->cap_buffer + tmp,
564 (chip->cap_buf & 1) ?
565 FM801_REG(chip, CAP_BUF1) :
566 FM801_REG(chip, CAP_BUF2));
567 spin_unlock(&chip->reg_lock);
568 snd_pcm_period_elapsed(chip->capture_substream);
569 }
570 if (chip->rmidi && (status & FM801_IRQ_MPU))
571 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
572 if (status & FM801_IRQ_VOLUME)
573 ;/* TODO */
574
575 return IRQ_HANDLED;
576 }
577
578 static struct snd_pcm_hardware snd_fm801_playback =
579 {
580 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
581 SNDRV_PCM_INFO_BLOCK_TRANSFER |
582 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
583 SNDRV_PCM_INFO_MMAP_VALID),
584 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
585 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
586 .rate_min = 5500,
587 .rate_max = 48000,
588 .channels_min = 1,
589 .channels_max = 2,
590 .buffer_bytes_max = (128*1024),
591 .period_bytes_min = 64,
592 .period_bytes_max = (128*1024),
593 .periods_min = 1,
594 .periods_max = 1024,
595 .fifo_size = 0,
596 };
597
598 static struct snd_pcm_hardware snd_fm801_capture =
599 {
600 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
601 SNDRV_PCM_INFO_BLOCK_TRANSFER |
602 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
603 SNDRV_PCM_INFO_MMAP_VALID),
604 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
605 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
606 .rate_min = 5500,
607 .rate_max = 48000,
608 .channels_min = 1,
609 .channels_max = 2,
610 .buffer_bytes_max = (128*1024),
611 .period_bytes_min = 64,
612 .period_bytes_max = (128*1024),
613 .periods_min = 1,
614 .periods_max = 1024,
615 .fifo_size = 0,
616 };
617
618 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
619 {
620 struct fm801 *chip = snd_pcm_substream_chip(substream);
621 struct snd_pcm_runtime *runtime = substream->runtime;
622 int err;
623
624 chip->playback_substream = substream;
625 runtime->hw = snd_fm801_playback;
626 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
627 &hw_constraints_rates);
628 if (chip->multichannel) {
629 runtime->hw.channels_max = 6;
630 snd_pcm_hw_constraint_list(runtime, 0,
631 SNDRV_PCM_HW_PARAM_CHANNELS,
632 &hw_constraints_channels);
633 }
634 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
635 return err;
636 return 0;
637 }
638
639 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
640 {
641 struct fm801 *chip = snd_pcm_substream_chip(substream);
642 struct snd_pcm_runtime *runtime = substream->runtime;
643 int err;
644
645 chip->capture_substream = substream;
646 runtime->hw = snd_fm801_capture;
647 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
648 &hw_constraints_rates);
649 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
650 return err;
651 return 0;
652 }
653
654 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
655 {
656 struct fm801 *chip = snd_pcm_substream_chip(substream);
657
658 chip->playback_substream = NULL;
659 return 0;
660 }
661
662 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
663 {
664 struct fm801 *chip = snd_pcm_substream_chip(substream);
665
666 chip->capture_substream = NULL;
667 return 0;
668 }
669
670 static struct snd_pcm_ops snd_fm801_playback_ops = {
671 .open = snd_fm801_playback_open,
672 .close = snd_fm801_playback_close,
673 .ioctl = snd_pcm_lib_ioctl,
674 .hw_params = snd_fm801_hw_params,
675 .hw_free = snd_fm801_hw_free,
676 .prepare = snd_fm801_playback_prepare,
677 .trigger = snd_fm801_playback_trigger,
678 .pointer = snd_fm801_playback_pointer,
679 };
680
681 static struct snd_pcm_ops snd_fm801_capture_ops = {
682 .open = snd_fm801_capture_open,
683 .close = snd_fm801_capture_close,
684 .ioctl = snd_pcm_lib_ioctl,
685 .hw_params = snd_fm801_hw_params,
686 .hw_free = snd_fm801_hw_free,
687 .prepare = snd_fm801_capture_prepare,
688 .trigger = snd_fm801_capture_trigger,
689 .pointer = snd_fm801_capture_pointer,
690 };
691
692 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm)
693 {
694 struct snd_pcm *pcm;
695 int err;
696
697 if (rpcm)
698 *rpcm = NULL;
699 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
700 return err;
701
702 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
703 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
704
705 pcm->private_data = chip;
706 pcm->info_flags = 0;
707 strcpy(pcm->name, "FM801");
708 chip->pcm = pcm;
709
710 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
711 snd_dma_pci_data(chip->pci),
712 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
713
714 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
715 snd_pcm_alt_chmaps,
716 chip->multichannel ? 6 : 2, 0,
717 NULL);
718 if (err < 0)
719 return err;
720
721 if (rpcm)
722 *rpcm = pcm;
723 return 0;
724 }
725
726 /*
727 * TEA5757 radio
728 */
729
730 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
731
732 /* GPIO to TEA575x maps */
733 struct snd_fm801_tea575x_gpio {
734 u8 data, clk, wren, most;
735 char *name;
736 };
737
738 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
739 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
740 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
741 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
742 };
743
744 #define get_tea575x_gpio(chip) \
745 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
746
747 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
748 {
749 struct fm801 *chip = tea->private_data;
750 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
751 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
752
753 reg &= ~(FM801_GPIO_GP(gpio.data) |
754 FM801_GPIO_GP(gpio.clk) |
755 FM801_GPIO_GP(gpio.wren));
756
757 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
758 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
759 /* WRITE_ENABLE is inverted */
760 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
761
762 outw(reg, FM801_REG(chip, GPIO_CTRL));
763 }
764
765 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
766 {
767 struct fm801 *chip = tea->private_data;
768 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
769 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
770 u8 ret;
771
772 ret = 0;
773 if (reg & FM801_GPIO_GP(gpio.data))
774 ret |= TEA575X_DATA;
775 if (reg & FM801_GPIO_GP(gpio.most))
776 ret |= TEA575X_MOST;
777 return ret;
778 }
779
780 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
781 {
782 struct fm801 *chip = tea->private_data;
783 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
784 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
785
786 /* use GPIO lines and set write enable bit */
787 reg |= FM801_GPIO_GS(gpio.data) |
788 FM801_GPIO_GS(gpio.wren) |
789 FM801_GPIO_GS(gpio.clk) |
790 FM801_GPIO_GS(gpio.most);
791 if (output) {
792 /* all of lines are in the write direction */
793 /* clear data and clock lines */
794 reg &= ~(FM801_GPIO_GD(gpio.data) |
795 FM801_GPIO_GD(gpio.wren) |
796 FM801_GPIO_GD(gpio.clk) |
797 FM801_GPIO_GP(gpio.data) |
798 FM801_GPIO_GP(gpio.clk) |
799 FM801_GPIO_GP(gpio.wren));
800 } else {
801 /* use GPIO lines, set data direction to input */
802 reg |= FM801_GPIO_GD(gpio.data) |
803 FM801_GPIO_GD(gpio.most) |
804 FM801_GPIO_GP(gpio.data) |
805 FM801_GPIO_GP(gpio.most) |
806 FM801_GPIO_GP(gpio.wren);
807 /* all of lines are in the write direction, except data */
808 /* clear data, write enable and clock lines */
809 reg &= ~(FM801_GPIO_GD(gpio.wren) |
810 FM801_GPIO_GD(gpio.clk) |
811 FM801_GPIO_GP(gpio.clk));
812 }
813
814 outw(reg, FM801_REG(chip, GPIO_CTRL));
815 }
816
817 static struct snd_tea575x_ops snd_fm801_tea_ops = {
818 .set_pins = snd_fm801_tea575x_set_pins,
819 .get_pins = snd_fm801_tea575x_get_pins,
820 .set_direction = snd_fm801_tea575x_set_direction,
821 };
822 #endif
823
824 /*
825 * Mixer routines
826 */
827
828 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
829 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
830 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
831 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
832
833 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
834 struct snd_ctl_elem_info *uinfo)
835 {
836 int mask = (kcontrol->private_value >> 16) & 0xff;
837
838 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
839 uinfo->count = 1;
840 uinfo->value.integer.min = 0;
841 uinfo->value.integer.max = mask;
842 return 0;
843 }
844
845 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
846 struct snd_ctl_elem_value *ucontrol)
847 {
848 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
849 int reg = kcontrol->private_value & 0xff;
850 int shift = (kcontrol->private_value >> 8) & 0xff;
851 int mask = (kcontrol->private_value >> 16) & 0xff;
852 int invert = (kcontrol->private_value >> 24) & 0xff;
853
854 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
855 if (invert)
856 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
857 return 0;
858 }
859
860 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
861 struct snd_ctl_elem_value *ucontrol)
862 {
863 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
864 int reg = kcontrol->private_value & 0xff;
865 int shift = (kcontrol->private_value >> 8) & 0xff;
866 int mask = (kcontrol->private_value >> 16) & 0xff;
867 int invert = (kcontrol->private_value >> 24) & 0xff;
868 unsigned short val;
869
870 val = (ucontrol->value.integer.value[0] & mask);
871 if (invert)
872 val = mask - val;
873 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
874 }
875
876 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
877 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
878 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
879 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
880 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
881 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
882 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
883 .name = xname, .info = snd_fm801_info_double, \
884 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
885 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
886 .tlv = { .p = (xtlv) } }
887
888 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
889 struct snd_ctl_elem_info *uinfo)
890 {
891 int mask = (kcontrol->private_value >> 16) & 0xff;
892
893 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
894 uinfo->count = 2;
895 uinfo->value.integer.min = 0;
896 uinfo->value.integer.max = mask;
897 return 0;
898 }
899
900 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
901 struct snd_ctl_elem_value *ucontrol)
902 {
903 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
904 int reg = kcontrol->private_value & 0xff;
905 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
906 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
907 int mask = (kcontrol->private_value >> 16) & 0xff;
908 int invert = (kcontrol->private_value >> 24) & 0xff;
909
910 spin_lock_irq(&chip->reg_lock);
911 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
912 ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
913 spin_unlock_irq(&chip->reg_lock);
914 if (invert) {
915 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
916 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
917 }
918 return 0;
919 }
920
921 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
922 struct snd_ctl_elem_value *ucontrol)
923 {
924 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
925 int reg = kcontrol->private_value & 0xff;
926 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
927 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
928 int mask = (kcontrol->private_value >> 16) & 0xff;
929 int invert = (kcontrol->private_value >> 24) & 0xff;
930 unsigned short val1, val2;
931
932 val1 = ucontrol->value.integer.value[0] & mask;
933 val2 = ucontrol->value.integer.value[1] & mask;
934 if (invert) {
935 val1 = mask - val1;
936 val2 = mask - val2;
937 }
938 return snd_fm801_update_bits(chip, reg,
939 (mask << shift_left) | (mask << shift_right),
940 (val1 << shift_left ) | (val2 << shift_right));
941 }
942
943 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
944 struct snd_ctl_elem_info *uinfo)
945 {
946 static char *texts[5] = {
947 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
948 };
949
950 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
951 uinfo->count = 1;
952 uinfo->value.enumerated.items = 5;
953 if (uinfo->value.enumerated.item > 4)
954 uinfo->value.enumerated.item = 4;
955 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
956 return 0;
957 }
958
959 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
960 struct snd_ctl_elem_value *ucontrol)
961 {
962 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
963 unsigned short val;
964
965 val = inw(FM801_REG(chip, REC_SRC)) & 7;
966 if (val > 4)
967 val = 4;
968 ucontrol->value.enumerated.item[0] = val;
969 return 0;
970 }
971
972 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
973 struct snd_ctl_elem_value *ucontrol)
974 {
975 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
976 unsigned short val;
977
978 if ((val = ucontrol->value.enumerated.item[0]) > 4)
979 return -EINVAL;
980 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
981 }
982
983 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
984
985 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
986
987 static struct snd_kcontrol_new snd_fm801_controls[] = {
988 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
989 db_scale_dsp),
990 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
991 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
992 db_scale_dsp),
993 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
994 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
995 db_scale_dsp),
996 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
997 {
998 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
999 .name = "Digital Capture Source",
1000 .info = snd_fm801_info_mux,
1001 .get = snd_fm801_get_mux,
1002 .put = snd_fm801_put_mux,
1003 }
1004 };
1005
1006 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1007
1008 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1009 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1010 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1011 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1015 };
1016
1017 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1018 {
1019 struct fm801 *chip = bus->private_data;
1020 chip->ac97_bus = NULL;
1021 }
1022
1023 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1024 {
1025 struct fm801 *chip = ac97->private_data;
1026 if (ac97->num == 0) {
1027 chip->ac97 = NULL;
1028 } else {
1029 chip->ac97_sec = NULL;
1030 }
1031 }
1032
1033 static int snd_fm801_mixer(struct fm801 *chip)
1034 {
1035 struct snd_ac97_template ac97;
1036 unsigned int i;
1037 int err;
1038 static struct snd_ac97_bus_ops ops = {
1039 .write = snd_fm801_codec_write,
1040 .read = snd_fm801_codec_read,
1041 };
1042
1043 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1044 return err;
1045 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1046
1047 memset(&ac97, 0, sizeof(ac97));
1048 ac97.private_data = chip;
1049 ac97.private_free = snd_fm801_mixer_free_ac97;
1050 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1051 return err;
1052 if (chip->secondary) {
1053 ac97.num = 1;
1054 ac97.addr = chip->secondary_addr;
1055 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1056 return err;
1057 }
1058 for (i = 0; i < FM801_CONTROLS; i++)
1059 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1060 if (chip->multichannel) {
1061 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1062 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1063 }
1064 return 0;
1065 }
1066
1067 /*
1068 * initialization routines
1069 */
1070
1071 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1072 unsigned short reg, unsigned long waits)
1073 {
1074 unsigned long timeout = jiffies + waits;
1075
1076 outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1077 FM801_REG(chip, AC97_CMD));
1078 udelay(5);
1079 do {
1080 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1081 == FM801_AC97_VALID)
1082 return 0;
1083 schedule_timeout_uninterruptible(1);
1084 } while (time_after(timeout, jiffies));
1085 return -EIO;
1086 }
1087
1088 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1089 {
1090 unsigned short cmdw;
1091
1092 if (chip->tea575x_tuner & TUNER_ONLY)
1093 goto __ac97_ok;
1094
1095 /* codec cold reset + AC'97 warm reset */
1096 outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1097 inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1098 udelay(100);
1099 outw(0, FM801_REG(chip, CODEC_CTRL));
1100
1101 if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1102 if (!resume) {
1103 dev_info(chip->card->dev,
1104 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1105 chip->tea575x_tuner = 3 | TUNER_ONLY;
1106 goto __ac97_ok;
1107 }
1108
1109 if (chip->multichannel) {
1110 if (chip->secondary_addr) {
1111 wait_for_codec(chip, chip->secondary_addr,
1112 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1113 } else {
1114 /* my card has the secondary codec */
1115 /* at address #3, so the loop is inverted */
1116 int i;
1117 for (i = 3; i > 0; i--) {
1118 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1119 msecs_to_jiffies(50))) {
1120 cmdw = inw(FM801_REG(chip, AC97_DATA));
1121 if (cmdw != 0xffff && cmdw != 0) {
1122 chip->secondary = 1;
1123 chip->secondary_addr = i;
1124 break;
1125 }
1126 }
1127 }
1128 }
1129
1130 /* the recovery phase, it seems that probing for non-existing codec might */
1131 /* cause timeout problems */
1132 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1133 }
1134
1135 __ac97_ok:
1136
1137 /* init volume */
1138 outw(0x0808, FM801_REG(chip, PCM_VOL));
1139 outw(0x9f1f, FM801_REG(chip, FM_VOL));
1140 outw(0x8808, FM801_REG(chip, I2S_VOL));
1141
1142 /* I2S control - I2S mode */
1143 outw(0x0003, FM801_REG(chip, I2S_MODE));
1144
1145 /* interrupt setup */
1146 cmdw = inw(FM801_REG(chip, IRQ_MASK));
1147 if (chip->irq < 0)
1148 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1149 else
1150 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1151 outw(cmdw, FM801_REG(chip, IRQ_MASK));
1152
1153 /* interrupt clear */
1154 outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1155
1156 return 0;
1157 }
1158
1159
1160 static int snd_fm801_free(struct fm801 *chip)
1161 {
1162 unsigned short cmdw;
1163
1164 if (chip->irq < 0)
1165 goto __end_hw;
1166
1167 /* interrupt setup - mask everything */
1168 cmdw = inw(FM801_REG(chip, IRQ_MASK));
1169 cmdw |= 0x00c3;
1170 outw(cmdw, FM801_REG(chip, IRQ_MASK));
1171
1172 __end_hw:
1173 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1174 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1175 snd_tea575x_exit(&chip->tea);
1176 v4l2_device_unregister(&chip->v4l2_dev);
1177 }
1178 #endif
1179 if (chip->irq >= 0)
1180 free_irq(chip->irq, chip);
1181 pci_release_regions(chip->pci);
1182 pci_disable_device(chip->pci);
1183
1184 kfree(chip);
1185 return 0;
1186 }
1187
1188 static int snd_fm801_dev_free(struct snd_device *device)
1189 {
1190 struct fm801 *chip = device->device_data;
1191 return snd_fm801_free(chip);
1192 }
1193
1194 static int snd_fm801_create(struct snd_card *card,
1195 struct pci_dev *pci,
1196 int tea575x_tuner,
1197 int radio_nr,
1198 struct fm801 **rchip)
1199 {
1200 struct fm801 *chip;
1201 int err;
1202 static struct snd_device_ops ops = {
1203 .dev_free = snd_fm801_dev_free,
1204 };
1205
1206 *rchip = NULL;
1207 if ((err = pci_enable_device(pci)) < 0)
1208 return err;
1209 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1210 if (chip == NULL) {
1211 pci_disable_device(pci);
1212 return -ENOMEM;
1213 }
1214 spin_lock_init(&chip->reg_lock);
1215 chip->card = card;
1216 chip->pci = pci;
1217 chip->irq = -1;
1218 chip->tea575x_tuner = tea575x_tuner;
1219 if ((err = pci_request_regions(pci, "FM801")) < 0) {
1220 kfree(chip);
1221 pci_disable_device(pci);
1222 return err;
1223 }
1224 chip->port = pci_resource_start(pci, 0);
1225 if ((tea575x_tuner & TUNER_ONLY) == 0) {
1226 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1227 KBUILD_MODNAME, chip)) {
1228 dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq);
1229 snd_fm801_free(chip);
1230 return -EBUSY;
1231 }
1232 chip->irq = pci->irq;
1233 pci_set_master(pci);
1234 }
1235
1236 if (pci->revision >= 0xb1) /* FM801-AU */
1237 chip->multichannel = 1;
1238
1239 snd_fm801_chip_init(chip, 0);
1240 /* init might set tuner access method */
1241 tea575x_tuner = chip->tea575x_tuner;
1242
1243 if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1244 pci_clear_master(pci);
1245 free_irq(chip->irq, chip);
1246 chip->irq = -1;
1247 }
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 ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1266 (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 ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1273 /* autodetect tuner connection */
1274 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1275 chip->tea575x_tuner = tea575x_tuner;
1276 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1277 dev_info(card->dev,
1278 "detected TEA575x radio type %s\n",
1279 get_tea575x_gpio(chip)->name);
1280 break;
1281 }
1282 }
1283 if (tea575x_tuner == 4) {
1284 dev_err(card->dev, "TEA575x radio not found\n");
1285 chip->tea575x_tuner = TUNER_DISABLED;
1286 }
1287 }
1288 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1289 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1290 sizeof(chip->tea.card));
1291 }
1292 #endif
1293
1294 *rchip = chip;
1295 return 0;
1296 }
1297
1298 static int snd_card_fm801_probe(struct pci_dev *pci,
1299 const struct pci_device_id *pci_id)
1300 {
1301 static int dev;
1302 struct snd_card *card;
1303 struct fm801 *chip;
1304 struct snd_opl3 *opl3;
1305 int err;
1306
1307 if (dev >= SNDRV_CARDS)
1308 return -ENODEV;
1309 if (!enable[dev]) {
1310 dev++;
1311 return -ENOENT;
1312 }
1313
1314 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1315 0, &card);
1316 if (err < 0)
1317 return err;
1318 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1319 snd_card_free(card);
1320 return err;
1321 }
1322 card->private_data = chip;
1323
1324 strcpy(card->driver, "FM801");
1325 strcpy(card->shortname, "ForteMedia FM801-");
1326 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1327 sprintf(card->longname, "%s at 0x%lx, irq %i",
1328 card->shortname, chip->port, chip->irq);
1329
1330 if (chip->tea575x_tuner & TUNER_ONLY)
1331 goto __fm801_tuner_only;
1332
1333 if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1334 snd_card_free(card);
1335 return err;
1336 }
1337 if ((err = snd_fm801_mixer(chip)) < 0) {
1338 snd_card_free(card);
1339 return err;
1340 }
1341 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1342 FM801_REG(chip, MPU401_DATA),
1343 MPU401_INFO_INTEGRATED |
1344 MPU401_INFO_IRQ_HOOK,
1345 -1, &chip->rmidi)) < 0) {
1346 snd_card_free(card);
1347 return err;
1348 }
1349 if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1350 FM801_REG(chip, OPL3_BANK1),
1351 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1352 snd_card_free(card);
1353 return err;
1354 }
1355 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1356 snd_card_free(card);
1357 return err;
1358 }
1359
1360 __fm801_tuner_only:
1361 if ((err = snd_card_register(card)) < 0) {
1362 snd_card_free(card);
1363 return err;
1364 }
1365 pci_set_drvdata(pci, card);
1366 dev++;
1367 return 0;
1368 }
1369
1370 static void snd_card_fm801_remove(struct pci_dev *pci)
1371 {
1372 snd_card_free(pci_get_drvdata(pci));
1373 }
1374
1375 #ifdef CONFIG_PM_SLEEP
1376 static unsigned char saved_regs[] = {
1377 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1378 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1379 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1380 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1381 };
1382
1383 static int snd_fm801_suspend(struct device *dev)
1384 {
1385 struct pci_dev *pci = to_pci_dev(dev);
1386 struct snd_card *card = dev_get_drvdata(dev);
1387 struct fm801 *chip = card->private_data;
1388 int i;
1389
1390 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1391 snd_pcm_suspend_all(chip->pcm);
1392 snd_ac97_suspend(chip->ac97);
1393 snd_ac97_suspend(chip->ac97_sec);
1394 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1395 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1396 /* FIXME: tea575x suspend */
1397
1398 pci_disable_device(pci);
1399 pci_save_state(pci);
1400 pci_set_power_state(pci, PCI_D3hot);
1401 return 0;
1402 }
1403
1404 static int snd_fm801_resume(struct device *dev)
1405 {
1406 struct pci_dev *pci = to_pci_dev(dev);
1407 struct snd_card *card = dev_get_drvdata(dev);
1408 struct fm801 *chip = card->private_data;
1409 int i;
1410
1411 pci_set_power_state(pci, PCI_D0);
1412 pci_restore_state(pci);
1413 if (pci_enable_device(pci) < 0) {
1414 dev_err(dev, "pci_enable_device failed, disabling device\n");
1415 snd_card_disconnect(card);
1416 return -EIO;
1417 }
1418 pci_set_master(pci);
1419
1420 snd_fm801_chip_init(chip, 1);
1421 snd_ac97_resume(chip->ac97);
1422 snd_ac97_resume(chip->ac97_sec);
1423 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1424 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1425
1426 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1427 return 0;
1428 }
1429
1430 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1431 #define SND_FM801_PM_OPS &snd_fm801_pm
1432 #else
1433 #define SND_FM801_PM_OPS NULL
1434 #endif /* CONFIG_PM_SLEEP */
1435
1436 static struct pci_driver fm801_driver = {
1437 .name = KBUILD_MODNAME,
1438 .id_table = snd_fm801_ids,
1439 .probe = snd_card_fm801_probe,
1440 .remove = snd_card_fm801_remove,
1441 .driver = {
1442 .pm = SND_FM801_PM_OPS,
1443 },
1444 };
1445
1446 module_pci_driver(fm801_driver);
Linux with added FPC-III support