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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / sound / pci / fm801.c
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/io.h>
27 #include <linux/pci.h>
28 #include <linux/slab.h>
29 #include <linux/module.h>
30 #include <sound/core.h>
31 #include <sound/pcm.h>
32 #include <sound/tlv.h>
33 #include <sound/ac97_codec.h>
34 #include <sound/mpu401.h>
35 #include <sound/opl3.h>
36 #include <sound/initval.h>
37
38 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
39 #include <media/tea575x.h>
40 #endif
41
42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
43 MODULE_DESCRIPTION("ForteMedia FM801");
44 MODULE_LICENSE("GPL");
45 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
46 "{Genius,SoundMaker Live 5.1}}");
47
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
50 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
51 /*
52 * Enable TEA575x tuner
53 * 1 = MediaForte 256-PCS
54 * 2 = MediaForte 256-PCP
55 * 3 = MediaForte 64-PCR
56 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
57 * High 16-bits are video (radio) device number + 1
58 */
59 static int tea575x_tuner[SNDRV_CARDS];
60 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
61
62 module_param_array(index, int, NULL, 0444);
63 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
64 module_param_array(id, charp, NULL, 0444);
65 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
66 module_param_array(enable, bool, NULL, 0444);
67 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
68 module_param_array(tea575x_tuner, int, NULL, 0444);
69 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).");
70 module_param_array(radio_nr, int, NULL, 0444);
71 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
72
73
74 #define TUNER_DISABLED (1<<3)
75 #define TUNER_ONLY (1<<4)
76 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
77
78 /*
79 * Direct registers
80 */
81
82 #define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
83 #define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
84
85 #define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
86
87 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */
88 #define FM801_FM_VOL 0x02 /* FM Output Volume */
89 #define FM801_I2S_VOL 0x04 /* I2S Volume */
90 #define FM801_REC_SRC 0x06 /* Record Source */
91 #define FM801_PLY_CTRL 0x08 /* Playback Control */
92 #define FM801_PLY_COUNT 0x0a /* Playback Count */
93 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
94 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
95 #define FM801_CAP_CTRL 0x14 /* Capture Control */
96 #define FM801_CAP_COUNT 0x16 /* Capture Count */
97 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
98 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
99 #define FM801_CODEC_CTRL 0x22 /* Codec Control */
100 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */
101 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
102 #define FM801_I2C_CTRL 0x29 /* I2C Control */
103 #define FM801_AC97_CMD 0x2a /* AC'97 Command */
104 #define FM801_AC97_DATA 0x2c /* AC'97 Data */
105 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */
106 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */
107 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
108 #define FM801_GEN_CTRL 0x54 /* General Control */
109 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
110 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
111 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
112 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
113 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
114 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
115 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
116
117 /* codec access */
118 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */
119 #define FM801_AC97_VALID (1<<8) /* port valid=1 */
120 #define FM801_AC97_BUSY (1<<9) /* busy=1 */
121 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
122
123 /* playback and record control register bits */
124 #define FM801_BUF1_LAST (1<<1)
125 #define FM801_BUF2_LAST (1<<2)
126 #define FM801_START (1<<5)
127 #define FM801_PAUSE (1<<6)
128 #define FM801_IMMED_STOP (1<<7)
129 #define FM801_RATE_SHIFT 8
130 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
131 #define FM801_CHANNELS_4 (1<<12) /* playback only */
132 #define FM801_CHANNELS_6 (2<<12) /* playback only */
133 #define FM801_CHANNELS_6MS (3<<12) /* playback only */
134 #define FM801_CHANNELS_MASK (3<<12)
135 #define FM801_16BIT (1<<14)
136 #define FM801_STEREO (1<<15)
137
138 /* IRQ status bits */
139 #define FM801_IRQ_PLAYBACK (1<<8)
140 #define FM801_IRQ_CAPTURE (1<<9)
141 #define FM801_IRQ_VOLUME (1<<14)
142 #define FM801_IRQ_MPU (1<<15)
143
144 /* GPIO control register */
145 #define FM801_GPIO_GP0 (1<<0) /* read/write */
146 #define FM801_GPIO_GP1 (1<<1)
147 #define FM801_GPIO_GP2 (1<<2)
148 #define FM801_GPIO_GP3 (1<<3)
149 #define FM801_GPIO_GP(x) (1<<(0+(x)))
150 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
151 #define FM801_GPIO_GD1 (1<<9)
152 #define FM801_GPIO_GD2 (1<<10)
153 #define FM801_GPIO_GD3 (1<<11)
154 #define FM801_GPIO_GD(x) (1<<(8+(x)))
155 #define FM801_GPIO_GS0 (1<<12) /* function select: */
156 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
157 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
158 #define FM801_GPIO_GS3 (1<<15)
159 #define FM801_GPIO_GS(x) (1<<(12+(x)))
160
161 /**
162 * struct fm801 - describes FM801 chip
163 * @port: I/O port number
164 * @multichannel: multichannel support
165 * @secondary: secondary codec
166 * @secondary_addr: address of the secondary codec
167 * @tea575x_tuner: tuner access method & flags
168 * @ply_ctrl: playback control
169 * @cap_ctrl: capture control
170 */
171 struct fm801 {
172 int irq;
173
174 unsigned long port;
175 unsigned int multichannel: 1,
176 secondary: 1;
177 unsigned char secondary_addr;
178 unsigned int tea575x_tuner;
179
180 unsigned short ply_ctrl;
181 unsigned short cap_ctrl;
182
183 unsigned long ply_buffer;
184 unsigned int ply_buf;
185 unsigned int ply_count;
186 unsigned int ply_size;
187 unsigned int ply_pos;
188
189 unsigned long cap_buffer;
190 unsigned int cap_buf;
191 unsigned int cap_count;
192 unsigned int cap_size;
193 unsigned int cap_pos;
194
195 struct snd_ac97_bus *ac97_bus;
196 struct snd_ac97 *ac97;
197 struct snd_ac97 *ac97_sec;
198
199 struct pci_dev *pci;
200 struct snd_card *card;
201 struct snd_pcm *pcm;
202 struct snd_rawmidi *rmidi;
203 struct snd_pcm_substream *playback_substream;
204 struct snd_pcm_substream *capture_substream;
205 unsigned int p_dma_size;
206 unsigned int c_dma_size;
207
208 spinlock_t reg_lock;
209 struct snd_info_entry *proc_entry;
210
211 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
212 struct v4l2_device v4l2_dev;
213 struct snd_tea575x tea;
214 #endif
215
216 #ifdef CONFIG_PM_SLEEP
217 u16 saved_regs[0x20];
218 #endif
219 };
220
221 static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
222 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
223 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
224 { 0, }
225 };
226
227 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
228
229 /*
230 * common I/O routines
231 */
232
233 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
234 {
235 unsigned int idx;
236
237 for (idx = 0; idx < iterations; idx++) {
238 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
239 return true;
240 udelay(10);
241 }
242 return false;
243 }
244
245 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
246 {
247 unsigned int idx;
248
249 for (idx = 0; idx < iterations; idx++) {
250 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
251 return true;
252 udelay(10);
253 }
254 return false;
255 }
256
257 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
258 unsigned short mask, unsigned short value)
259 {
260 int change;
261 unsigned long flags;
262 unsigned short old, new;
263
264 spin_lock_irqsave(&chip->reg_lock, flags);
265 old = inw(chip->port + reg);
266 new = (old & ~mask) | value;
267 change = old != new;
268 if (change)
269 outw(new, chip->port + reg);
270 spin_unlock_irqrestore(&chip->reg_lock, flags);
271 return change;
272 }
273
274 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
275 unsigned short reg,
276 unsigned short val)
277 {
278 struct fm801 *chip = ac97->private_data;
279
280 /*
281 * Wait until the codec interface is not ready..
282 */
283 if (!fm801_ac97_is_ready(chip, 100)) {
284 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
285 return;
286 }
287
288 /* write data and address */
289 fm801_writew(chip, AC97_DATA, val);
290 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
291 /*
292 * Wait until the write command is not completed..
293 */
294 if (!fm801_ac97_is_ready(chip, 1000))
295 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
296 ac97->num);
297 }
298
299 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
300 {
301 struct fm801 *chip = ac97->private_data;
302
303 /*
304 * Wait until the codec interface is not ready..
305 */
306 if (!fm801_ac97_is_ready(chip, 100)) {
307 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
308 return 0;
309 }
310
311 /* read command */
312 fm801_writew(chip, AC97_CMD,
313 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
314 if (!fm801_ac97_is_ready(chip, 100)) {
315 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
316 ac97->num);
317 return 0;
318 }
319
320 if (!fm801_ac97_is_valid(chip, 1000)) {
321 dev_err(chip->card->dev,
322 "AC'97 interface #%d is not valid (2)\n", ac97->num);
323 return 0;
324 }
325
326 return fm801_readw(chip, AC97_DATA);
327 }
328
329 static unsigned int rates[] = {
330 5500, 8000, 9600, 11025,
331 16000, 19200, 22050, 32000,
332 38400, 44100, 48000
333 };
334
335 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
336 .count = ARRAY_SIZE(rates),
337 .list = rates,
338 .mask = 0,
339 };
340
341 static unsigned int channels[] = {
342 2, 4, 6
343 };
344
345 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
346 .count = ARRAY_SIZE(channels),
347 .list = channels,
348 .mask = 0,
349 };
350
351 /*
352 * Sample rate routines
353 */
354
355 static unsigned short snd_fm801_rate_bits(unsigned int rate)
356 {
357 unsigned int idx;
358
359 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
360 if (rates[idx] == rate)
361 return idx;
362 snd_BUG();
363 return ARRAY_SIZE(rates) - 1;
364 }
365
366 /*
367 * PCM part
368 */
369
370 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
371 int cmd)
372 {
373 struct fm801 *chip = snd_pcm_substream_chip(substream);
374
375 spin_lock(&chip->reg_lock);
376 switch (cmd) {
377 case SNDRV_PCM_TRIGGER_START:
378 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
379 FM801_BUF2_LAST |
380 FM801_PAUSE);
381 chip->ply_ctrl |= FM801_START |
382 FM801_IMMED_STOP;
383 break;
384 case SNDRV_PCM_TRIGGER_STOP:
385 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
386 break;
387 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
388 case SNDRV_PCM_TRIGGER_SUSPEND:
389 chip->ply_ctrl |= FM801_PAUSE;
390 break;
391 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
392 case SNDRV_PCM_TRIGGER_RESUME:
393 chip->ply_ctrl &= ~FM801_PAUSE;
394 break;
395 default:
396 spin_unlock(&chip->reg_lock);
397 snd_BUG();
398 return -EINVAL;
399 }
400 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
401 spin_unlock(&chip->reg_lock);
402 return 0;
403 }
404
405 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
406 int cmd)
407 {
408 struct fm801 *chip = snd_pcm_substream_chip(substream);
409
410 spin_lock(&chip->reg_lock);
411 switch (cmd) {
412 case SNDRV_PCM_TRIGGER_START:
413 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
414 FM801_BUF2_LAST |
415 FM801_PAUSE);
416 chip->cap_ctrl |= FM801_START |
417 FM801_IMMED_STOP;
418 break;
419 case SNDRV_PCM_TRIGGER_STOP:
420 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
421 break;
422 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
423 case SNDRV_PCM_TRIGGER_SUSPEND:
424 chip->cap_ctrl |= FM801_PAUSE;
425 break;
426 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
427 case SNDRV_PCM_TRIGGER_RESUME:
428 chip->cap_ctrl &= ~FM801_PAUSE;
429 break;
430 default:
431 spin_unlock(&chip->reg_lock);
432 snd_BUG();
433 return -EINVAL;
434 }
435 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
436 spin_unlock(&chip->reg_lock);
437 return 0;
438 }
439
440 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
441 struct snd_pcm_hw_params *hw_params)
442 {
443 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
444 }
445
446 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
447 {
448 return snd_pcm_lib_free_pages(substream);
449 }
450
451 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
452 {
453 struct fm801 *chip = snd_pcm_substream_chip(substream);
454 struct snd_pcm_runtime *runtime = substream->runtime;
455
456 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
457 chip->ply_count = snd_pcm_lib_period_bytes(substream);
458 spin_lock_irq(&chip->reg_lock);
459 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
460 FM801_STEREO | FM801_RATE_MASK |
461 FM801_CHANNELS_MASK);
462 if (snd_pcm_format_width(runtime->format) == 16)
463 chip->ply_ctrl |= FM801_16BIT;
464 if (runtime->channels > 1) {
465 chip->ply_ctrl |= FM801_STEREO;
466 if (runtime->channels == 4)
467 chip->ply_ctrl |= FM801_CHANNELS_4;
468 else if (runtime->channels == 6)
469 chip->ply_ctrl |= FM801_CHANNELS_6;
470 }
471 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
472 chip->ply_buf = 0;
473 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
474 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
475 chip->ply_buffer = runtime->dma_addr;
476 chip->ply_pos = 0;
477 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
478 fm801_writel(chip, PLY_BUF2,
479 chip->ply_buffer + (chip->ply_count % chip->ply_size));
480 spin_unlock_irq(&chip->reg_lock);
481 return 0;
482 }
483
484 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
485 {
486 struct fm801 *chip = snd_pcm_substream_chip(substream);
487 struct snd_pcm_runtime *runtime = substream->runtime;
488
489 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
490 chip->cap_count = snd_pcm_lib_period_bytes(substream);
491 spin_lock_irq(&chip->reg_lock);
492 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
493 FM801_STEREO | FM801_RATE_MASK);
494 if (snd_pcm_format_width(runtime->format) == 16)
495 chip->cap_ctrl |= FM801_16BIT;
496 if (runtime->channels > 1)
497 chip->cap_ctrl |= FM801_STEREO;
498 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
499 chip->cap_buf = 0;
500 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
501 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
502 chip->cap_buffer = runtime->dma_addr;
503 chip->cap_pos = 0;
504 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
505 fm801_writel(chip, CAP_BUF2,
506 chip->cap_buffer + (chip->cap_count % chip->cap_size));
507 spin_unlock_irq(&chip->reg_lock);
508 return 0;
509 }
510
511 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
512 {
513 struct fm801 *chip = snd_pcm_substream_chip(substream);
514 size_t ptr;
515
516 if (!(chip->ply_ctrl & FM801_START))
517 return 0;
518 spin_lock(&chip->reg_lock);
519 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
520 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
521 ptr += chip->ply_count;
522 ptr %= chip->ply_size;
523 }
524 spin_unlock(&chip->reg_lock);
525 return bytes_to_frames(substream->runtime, ptr);
526 }
527
528 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
529 {
530 struct fm801 *chip = snd_pcm_substream_chip(substream);
531 size_t ptr;
532
533 if (!(chip->cap_ctrl & FM801_START))
534 return 0;
535 spin_lock(&chip->reg_lock);
536 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
537 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
538 ptr += chip->cap_count;
539 ptr %= chip->cap_size;
540 }
541 spin_unlock(&chip->reg_lock);
542 return bytes_to_frames(substream->runtime, ptr);
543 }
544
545 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
546 {
547 struct fm801 *chip = dev_id;
548 unsigned short status;
549 unsigned int tmp;
550
551 status = fm801_readw(chip, IRQ_STATUS);
552 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
553 if (! status)
554 return IRQ_NONE;
555 /* ack first */
556 fm801_writew(chip, IRQ_STATUS, status);
557 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
558 spin_lock(&chip->reg_lock);
559 chip->ply_buf++;
560 chip->ply_pos += chip->ply_count;
561 chip->ply_pos %= chip->ply_size;
562 tmp = chip->ply_pos + chip->ply_count;
563 tmp %= chip->ply_size;
564 if (chip->ply_buf & 1)
565 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
566 else
567 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
568 spin_unlock(&chip->reg_lock);
569 snd_pcm_period_elapsed(chip->playback_substream);
570 }
571 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
572 spin_lock(&chip->reg_lock);
573 chip->cap_buf++;
574 chip->cap_pos += chip->cap_count;
575 chip->cap_pos %= chip->cap_size;
576 tmp = chip->cap_pos + chip->cap_count;
577 tmp %= chip->cap_size;
578 if (chip->cap_buf & 1)
579 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
580 else
581 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
582 spin_unlock(&chip->reg_lock);
583 snd_pcm_period_elapsed(chip->capture_substream);
584 }
585 if (chip->rmidi && (status & FM801_IRQ_MPU))
586 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
587 if (status & FM801_IRQ_VOLUME)
588 ;/* TODO */
589
590 return IRQ_HANDLED;
591 }
592
593 static struct snd_pcm_hardware snd_fm801_playback =
594 {
595 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
596 SNDRV_PCM_INFO_BLOCK_TRANSFER |
597 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
598 SNDRV_PCM_INFO_MMAP_VALID),
599 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
600 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
601 .rate_min = 5500,
602 .rate_max = 48000,
603 .channels_min = 1,
604 .channels_max = 2,
605 .buffer_bytes_max = (128*1024),
606 .period_bytes_min = 64,
607 .period_bytes_max = (128*1024),
608 .periods_min = 1,
609 .periods_max = 1024,
610 .fifo_size = 0,
611 };
612
613 static struct snd_pcm_hardware snd_fm801_capture =
614 {
615 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
616 SNDRV_PCM_INFO_BLOCK_TRANSFER |
617 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
618 SNDRV_PCM_INFO_MMAP_VALID),
619 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
620 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
621 .rate_min = 5500,
622 .rate_max = 48000,
623 .channels_min = 1,
624 .channels_max = 2,
625 .buffer_bytes_max = (128*1024),
626 .period_bytes_min = 64,
627 .period_bytes_max = (128*1024),
628 .periods_min = 1,
629 .periods_max = 1024,
630 .fifo_size = 0,
631 };
632
633 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
634 {
635 struct fm801 *chip = snd_pcm_substream_chip(substream);
636 struct snd_pcm_runtime *runtime = substream->runtime;
637 int err;
638
639 chip->playback_substream = substream;
640 runtime->hw = snd_fm801_playback;
641 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
642 &hw_constraints_rates);
643 if (chip->multichannel) {
644 runtime->hw.channels_max = 6;
645 snd_pcm_hw_constraint_list(runtime, 0,
646 SNDRV_PCM_HW_PARAM_CHANNELS,
647 &hw_constraints_channels);
648 }
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_capture_open(struct snd_pcm_substream *substream)
655 {
656 struct fm801 *chip = snd_pcm_substream_chip(substream);
657 struct snd_pcm_runtime *runtime = substream->runtime;
658 int err;
659
660 chip->capture_substream = substream;
661 runtime->hw = snd_fm801_capture;
662 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
663 &hw_constraints_rates);
664 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
665 return err;
666 return 0;
667 }
668
669 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
670 {
671 struct fm801 *chip = snd_pcm_substream_chip(substream);
672
673 chip->playback_substream = NULL;
674 return 0;
675 }
676
677 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
678 {
679 struct fm801 *chip = snd_pcm_substream_chip(substream);
680
681 chip->capture_substream = NULL;
682 return 0;
683 }
684
685 static struct snd_pcm_ops snd_fm801_playback_ops = {
686 .open = snd_fm801_playback_open,
687 .close = snd_fm801_playback_close,
688 .ioctl = snd_pcm_lib_ioctl,
689 .hw_params = snd_fm801_hw_params,
690 .hw_free = snd_fm801_hw_free,
691 .prepare = snd_fm801_playback_prepare,
692 .trigger = snd_fm801_playback_trigger,
693 .pointer = snd_fm801_playback_pointer,
694 };
695
696 static struct snd_pcm_ops snd_fm801_capture_ops = {
697 .open = snd_fm801_capture_open,
698 .close = snd_fm801_capture_close,
699 .ioctl = snd_pcm_lib_ioctl,
700 .hw_params = snd_fm801_hw_params,
701 .hw_free = snd_fm801_hw_free,
702 .prepare = snd_fm801_capture_prepare,
703 .trigger = snd_fm801_capture_trigger,
704 .pointer = snd_fm801_capture_pointer,
705 };
706
707 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm)
708 {
709 struct snd_pcm *pcm;
710 int err;
711
712 if (rpcm)
713 *rpcm = NULL;
714 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
715 return err;
716
717 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
718 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
719
720 pcm->private_data = chip;
721 pcm->info_flags = 0;
722 strcpy(pcm->name, "FM801");
723 chip->pcm = pcm;
724
725 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
726 snd_dma_pci_data(chip->pci),
727 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
728
729 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
730 snd_pcm_alt_chmaps,
731 chip->multichannel ? 6 : 2, 0,
732 NULL);
733 if (err < 0)
734 return err;
735
736 if (rpcm)
737 *rpcm = pcm;
738 return 0;
739 }
740
741 /*
742 * TEA5757 radio
743 */
744
745 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
746
747 /* GPIO to TEA575x maps */
748 struct snd_fm801_tea575x_gpio {
749 u8 data, clk, wren, most;
750 char *name;
751 };
752
753 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
754 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
755 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
756 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
757 };
758
759 #define get_tea575x_gpio(chip) \
760 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
761
762 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
763 {
764 struct fm801 *chip = tea->private_data;
765 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
766 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
767
768 reg &= ~(FM801_GPIO_GP(gpio.data) |
769 FM801_GPIO_GP(gpio.clk) |
770 FM801_GPIO_GP(gpio.wren));
771
772 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
773 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
774 /* WRITE_ENABLE is inverted */
775 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
776
777 fm801_writew(chip, GPIO_CTRL, reg);
778 }
779
780 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
781 {
782 struct fm801 *chip = tea->private_data;
783 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
784 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
785 u8 ret;
786
787 ret = 0;
788 if (reg & FM801_GPIO_GP(gpio.data))
789 ret |= TEA575X_DATA;
790 if (reg & FM801_GPIO_GP(gpio.most))
791 ret |= TEA575X_MOST;
792 return ret;
793 }
794
795 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
796 {
797 struct fm801 *chip = tea->private_data;
798 unsigned short reg = fm801_readw(chip, GPIO_CTRL);
799 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
800
801 /* use GPIO lines and set write enable bit */
802 reg |= FM801_GPIO_GS(gpio.data) |
803 FM801_GPIO_GS(gpio.wren) |
804 FM801_GPIO_GS(gpio.clk) |
805 FM801_GPIO_GS(gpio.most);
806 if (output) {
807 /* all of lines are in the write direction */
808 /* clear data and clock lines */
809 reg &= ~(FM801_GPIO_GD(gpio.data) |
810 FM801_GPIO_GD(gpio.wren) |
811 FM801_GPIO_GD(gpio.clk) |
812 FM801_GPIO_GP(gpio.data) |
813 FM801_GPIO_GP(gpio.clk) |
814 FM801_GPIO_GP(gpio.wren));
815 } else {
816 /* use GPIO lines, set data direction to input */
817 reg |= FM801_GPIO_GD(gpio.data) |
818 FM801_GPIO_GD(gpio.most) |
819 FM801_GPIO_GP(gpio.data) |
820 FM801_GPIO_GP(gpio.most) |
821 FM801_GPIO_GP(gpio.wren);
822 /* all of lines are in the write direction, except data */
823 /* clear data, write enable and clock lines */
824 reg &= ~(FM801_GPIO_GD(gpio.wren) |
825 FM801_GPIO_GD(gpio.clk) |
826 FM801_GPIO_GP(gpio.clk));
827 }
828
829 fm801_writew(chip, GPIO_CTRL, reg);
830 }
831
832 static struct snd_tea575x_ops snd_fm801_tea_ops = {
833 .set_pins = snd_fm801_tea575x_set_pins,
834 .get_pins = snd_fm801_tea575x_get_pins,
835 .set_direction = snd_fm801_tea575x_set_direction,
836 };
837 #endif
838
839 /*
840 * Mixer routines
841 */
842
843 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
845 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
846 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
847
848 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
849 struct snd_ctl_elem_info *uinfo)
850 {
851 int mask = (kcontrol->private_value >> 16) & 0xff;
852
853 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
854 uinfo->count = 1;
855 uinfo->value.integer.min = 0;
856 uinfo->value.integer.max = mask;
857 return 0;
858 }
859
860 static int snd_fm801_get_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
869 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
870 if (invert)
871 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
872 return 0;
873 }
874
875 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
876 struct snd_ctl_elem_value *ucontrol)
877 {
878 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
879 int reg = kcontrol->private_value & 0xff;
880 int shift = (kcontrol->private_value >> 8) & 0xff;
881 int mask = (kcontrol->private_value >> 16) & 0xff;
882 int invert = (kcontrol->private_value >> 24) & 0xff;
883 unsigned short val;
884
885 val = (ucontrol->value.integer.value[0] & mask);
886 if (invert)
887 val = mask - val;
888 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
889 }
890
891 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
892 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
893 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
894 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
895 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
896 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
897 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
898 .name = xname, .info = snd_fm801_info_double, \
899 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
900 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
901 .tlv = { .p = (xtlv) } }
902
903 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
904 struct snd_ctl_elem_info *uinfo)
905 {
906 int mask = (kcontrol->private_value >> 16) & 0xff;
907
908 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
909 uinfo->count = 2;
910 uinfo->value.integer.min = 0;
911 uinfo->value.integer.max = mask;
912 return 0;
913 }
914
915 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
916 struct snd_ctl_elem_value *ucontrol)
917 {
918 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
919 int reg = kcontrol->private_value & 0xff;
920 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
921 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
922 int mask = (kcontrol->private_value >> 16) & 0xff;
923 int invert = (kcontrol->private_value >> 24) & 0xff;
924
925 spin_lock_irq(&chip->reg_lock);
926 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
927 ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
928 spin_unlock_irq(&chip->reg_lock);
929 if (invert) {
930 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
931 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
932 }
933 return 0;
934 }
935
936 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
937 struct snd_ctl_elem_value *ucontrol)
938 {
939 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
940 int reg = kcontrol->private_value & 0xff;
941 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
942 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
943 int mask = (kcontrol->private_value >> 16) & 0xff;
944 int invert = (kcontrol->private_value >> 24) & 0xff;
945 unsigned short val1, val2;
946
947 val1 = ucontrol->value.integer.value[0] & mask;
948 val2 = ucontrol->value.integer.value[1] & mask;
949 if (invert) {
950 val1 = mask - val1;
951 val2 = mask - val2;
952 }
953 return snd_fm801_update_bits(chip, reg,
954 (mask << shift_left) | (mask << shift_right),
955 (val1 << shift_left ) | (val2 << shift_right));
956 }
957
958 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
959 struct snd_ctl_elem_info *uinfo)
960 {
961 static char *texts[5] = {
962 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
963 };
964
965 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
966 uinfo->count = 1;
967 uinfo->value.enumerated.items = 5;
968 if (uinfo->value.enumerated.item > 4)
969 uinfo->value.enumerated.item = 4;
970 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
971 return 0;
972 }
973
974 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
975 struct snd_ctl_elem_value *ucontrol)
976 {
977 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
978 unsigned short val;
979
980 val = fm801_readw(chip, REC_SRC) & 7;
981 if (val > 4)
982 val = 4;
983 ucontrol->value.enumerated.item[0] = val;
984 return 0;
985 }
986
987 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
988 struct snd_ctl_elem_value *ucontrol)
989 {
990 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
991 unsigned short val;
992
993 if ((val = ucontrol->value.enumerated.item[0]) > 4)
994 return -EINVAL;
995 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
996 }
997
998 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
999
1000 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1001
1002 static struct snd_kcontrol_new snd_fm801_controls[] = {
1003 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1004 db_scale_dsp),
1005 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1006 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1007 db_scale_dsp),
1008 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1009 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1010 db_scale_dsp),
1011 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1012 {
1013 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1014 .name = "Digital Capture Source",
1015 .info = snd_fm801_info_mux,
1016 .get = snd_fm801_get_mux,
1017 .put = snd_fm801_put_mux,
1018 }
1019 };
1020
1021 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1022
1023 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1024 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1025 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1027 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1028 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1029 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1030 };
1031
1032 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1033 {
1034 struct fm801 *chip = bus->private_data;
1035 chip->ac97_bus = NULL;
1036 }
1037
1038 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1039 {
1040 struct fm801 *chip = ac97->private_data;
1041 if (ac97->num == 0) {
1042 chip->ac97 = NULL;
1043 } else {
1044 chip->ac97_sec = NULL;
1045 }
1046 }
1047
1048 static int snd_fm801_mixer(struct fm801 *chip)
1049 {
1050 struct snd_ac97_template ac97;
1051 unsigned int i;
1052 int err;
1053 static struct snd_ac97_bus_ops ops = {
1054 .write = snd_fm801_codec_write,
1055 .read = snd_fm801_codec_read,
1056 };
1057
1058 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1059 return err;
1060 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1061
1062 memset(&ac97, 0, sizeof(ac97));
1063 ac97.private_data = chip;
1064 ac97.private_free = snd_fm801_mixer_free_ac97;
1065 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1066 return err;
1067 if (chip->secondary) {
1068 ac97.num = 1;
1069 ac97.addr = chip->secondary_addr;
1070 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1071 return err;
1072 }
1073 for (i = 0; i < FM801_CONTROLS; i++)
1074 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1075 if (chip->multichannel) {
1076 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1077 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1078 }
1079 return 0;
1080 }
1081
1082 /*
1083 * initialization routines
1084 */
1085
1086 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1087 unsigned short reg, unsigned long waits)
1088 {
1089 unsigned long timeout = jiffies + waits;
1090
1091 fm801_writew(chip, AC97_CMD,
1092 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1093 udelay(5);
1094 do {
1095 if ((fm801_readw(chip, AC97_CMD) &
1096 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1097 return 0;
1098 schedule_timeout_uninterruptible(1);
1099 } while (time_after(timeout, jiffies));
1100 return -EIO;
1101 }
1102
1103 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1104 {
1105 unsigned short cmdw;
1106
1107 if (chip->tea575x_tuner & TUNER_ONLY)
1108 goto __ac97_ok;
1109
1110 /* codec cold reset + AC'97 warm reset */
1111 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1112 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1113 udelay(100);
1114 fm801_writew(chip, CODEC_CTRL, 0);
1115
1116 if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1117 if (!resume) {
1118 dev_info(chip->card->dev,
1119 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1120 chip->tea575x_tuner = 3 | TUNER_ONLY;
1121 goto __ac97_ok;
1122 }
1123
1124 if (chip->multichannel) {
1125 if (chip->secondary_addr) {
1126 wait_for_codec(chip, chip->secondary_addr,
1127 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1128 } else {
1129 /* my card has the secondary codec */
1130 /* at address #3, so the loop is inverted */
1131 int i;
1132 for (i = 3; i > 0; i--) {
1133 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1134 msecs_to_jiffies(50))) {
1135 cmdw = fm801_readw(chip, AC97_DATA);
1136 if (cmdw != 0xffff && cmdw != 0) {
1137 chip->secondary = 1;
1138 chip->secondary_addr = i;
1139 break;
1140 }
1141 }
1142 }
1143 }
1144
1145 /* the recovery phase, it seems that probing for non-existing codec might */
1146 /* cause timeout problems */
1147 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1148 }
1149
1150 __ac97_ok:
1151
1152 /* init volume */
1153 fm801_writew(chip, PCM_VOL, 0x0808);
1154 fm801_writew(chip, FM_VOL, 0x9f1f);
1155 fm801_writew(chip, I2S_VOL, 0x8808);
1156
1157 /* I2S control - I2S mode */
1158 fm801_writew(chip, I2S_MODE, 0x0003);
1159
1160 /* interrupt setup */
1161 cmdw = fm801_readw(chip, IRQ_MASK);
1162 if (chip->irq < 0)
1163 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1164 else
1165 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1166 fm801_writew(chip, IRQ_MASK, cmdw);
1167
1168 /* interrupt clear */
1169 fm801_writew(chip, IRQ_STATUS,
1170 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1171
1172 return 0;
1173 }
1174
1175
1176 static int snd_fm801_free(struct fm801 *chip)
1177 {
1178 unsigned short cmdw;
1179
1180 if (chip->irq < 0)
1181 goto __end_hw;
1182
1183 /* interrupt setup - mask everything */
1184 cmdw = fm801_readw(chip, IRQ_MASK);
1185 cmdw |= 0x00c3;
1186 fm801_writew(chip, IRQ_MASK, cmdw);
1187
1188 __end_hw:
1189 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1190 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1191 snd_tea575x_exit(&chip->tea);
1192 v4l2_device_unregister(&chip->v4l2_dev);
1193 }
1194 #endif
1195 if (chip->irq >= 0)
1196 free_irq(chip->irq, chip);
1197 pci_release_regions(chip->pci);
1198 pci_disable_device(chip->pci);
1199
1200 kfree(chip);
1201 return 0;
1202 }
1203
1204 static int snd_fm801_dev_free(struct snd_device *device)
1205 {
1206 struct fm801 *chip = device->device_data;
1207 return snd_fm801_free(chip);
1208 }
1209
1210 static int snd_fm801_create(struct snd_card *card,
1211 struct pci_dev *pci,
1212 int tea575x_tuner,
1213 int radio_nr,
1214 struct fm801 **rchip)
1215 {
1216 struct fm801 *chip;
1217 int err;
1218 static struct snd_device_ops ops = {
1219 .dev_free = snd_fm801_dev_free,
1220 };
1221
1222 *rchip = NULL;
1223 if ((err = pci_enable_device(pci)) < 0)
1224 return err;
1225 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1226 if (chip == NULL) {
1227 pci_disable_device(pci);
1228 return -ENOMEM;
1229 }
1230 spin_lock_init(&chip->reg_lock);
1231 chip->card = card;
1232 chip->pci = pci;
1233 chip->irq = -1;
1234 chip->tea575x_tuner = tea575x_tuner;
1235 if ((err = pci_request_regions(pci, "FM801")) < 0) {
1236 kfree(chip);
1237 pci_disable_device(pci);
1238 return err;
1239 }
1240 chip->port = pci_resource_start(pci, 0);
1241 if ((tea575x_tuner & TUNER_ONLY) == 0) {
1242 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1243 KBUILD_MODNAME, chip)) {
1244 dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq);
1245 snd_fm801_free(chip);
1246 return -EBUSY;
1247 }
1248 chip->irq = pci->irq;
1249 pci_set_master(pci);
1250 }
1251
1252 if (pci->revision >= 0xb1) /* FM801-AU */
1253 chip->multichannel = 1;
1254
1255 snd_fm801_chip_init(chip, 0);
1256 /* init might set tuner access method */
1257 tea575x_tuner = chip->tea575x_tuner;
1258
1259 if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1260 pci_clear_master(pci);
1261 free_irq(chip->irq, chip);
1262 chip->irq = -1;
1263 }
1264
1265 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1266 snd_fm801_free(chip);
1267 return err;
1268 }
1269
1270 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1271 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1272 if (err < 0) {
1273 snd_fm801_free(chip);
1274 return err;
1275 }
1276 chip->tea.v4l2_dev = &chip->v4l2_dev;
1277 chip->tea.radio_nr = radio_nr;
1278 chip->tea.private_data = chip;
1279 chip->tea.ops = &snd_fm801_tea_ops;
1280 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1281 if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1282 (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1283 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1284 dev_err(card->dev, "TEA575x radio not found\n");
1285 snd_fm801_free(chip);
1286 return -ENODEV;
1287 }
1288 } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1289 /* autodetect tuner connection */
1290 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1291 chip->tea575x_tuner = tea575x_tuner;
1292 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1293 dev_info(card->dev,
1294 "detected TEA575x radio type %s\n",
1295 get_tea575x_gpio(chip)->name);
1296 break;
1297 }
1298 }
1299 if (tea575x_tuner == 4) {
1300 dev_err(card->dev, "TEA575x radio not found\n");
1301 chip->tea575x_tuner = TUNER_DISABLED;
1302 }
1303 }
1304 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1305 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1306 sizeof(chip->tea.card));
1307 }
1308 #endif
1309
1310 *rchip = chip;
1311 return 0;
1312 }
1313
1314 static int snd_card_fm801_probe(struct pci_dev *pci,
1315 const struct pci_device_id *pci_id)
1316 {
1317 static int dev;
1318 struct snd_card *card;
1319 struct fm801 *chip;
1320 struct snd_opl3 *opl3;
1321 int err;
1322
1323 if (dev >= SNDRV_CARDS)
1324 return -ENODEV;
1325 if (!enable[dev]) {
1326 dev++;
1327 return -ENOENT;
1328 }
1329
1330 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1331 0, &card);
1332 if (err < 0)
1333 return err;
1334 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1335 snd_card_free(card);
1336 return err;
1337 }
1338 card->private_data = chip;
1339
1340 strcpy(card->driver, "FM801");
1341 strcpy(card->shortname, "ForteMedia FM801-");
1342 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1343 sprintf(card->longname, "%s at 0x%lx, irq %i",
1344 card->shortname, chip->port, chip->irq);
1345
1346 if (chip->tea575x_tuner & TUNER_ONLY)
1347 goto __fm801_tuner_only;
1348
1349 if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1350 snd_card_free(card);
1351 return err;
1352 }
1353 if ((err = snd_fm801_mixer(chip)) < 0) {
1354 snd_card_free(card);
1355 return err;
1356 }
1357 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1358 chip->port + FM801_MPU401_DATA,
1359 MPU401_INFO_INTEGRATED |
1360 MPU401_INFO_IRQ_HOOK,
1361 -1, &chip->rmidi)) < 0) {
1362 snd_card_free(card);
1363 return err;
1364 }
1365 if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1366 chip->port + FM801_OPL3_BANK1,
1367 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1368 snd_card_free(card);
1369 return err;
1370 }
1371 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1372 snd_card_free(card);
1373 return err;
1374 }
1375
1376 __fm801_tuner_only:
1377 if ((err = snd_card_register(card)) < 0) {
1378 snd_card_free(card);
1379 return err;
1380 }
1381 pci_set_drvdata(pci, card);
1382 dev++;
1383 return 0;
1384 }
1385
1386 static void snd_card_fm801_remove(struct pci_dev *pci)
1387 {
1388 snd_card_free(pci_get_drvdata(pci));
1389 }
1390
1391 #ifdef CONFIG_PM_SLEEP
1392 static unsigned char saved_regs[] = {
1393 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1394 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1395 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1396 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1397 };
1398
1399 static int snd_fm801_suspend(struct device *dev)
1400 {
1401 struct pci_dev *pci = to_pci_dev(dev);
1402 struct snd_card *card = dev_get_drvdata(dev);
1403 struct fm801 *chip = card->private_data;
1404 int i;
1405
1406 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1407 snd_pcm_suspend_all(chip->pcm);
1408 snd_ac97_suspend(chip->ac97);
1409 snd_ac97_suspend(chip->ac97_sec);
1410 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1411 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1412 /* FIXME: tea575x suspend */
1413
1414 pci_disable_device(pci);
1415 pci_save_state(pci);
1416 pci_set_power_state(pci, PCI_D3hot);
1417 return 0;
1418 }
1419
1420 static int snd_fm801_resume(struct device *dev)
1421 {
1422 struct pci_dev *pci = to_pci_dev(dev);
1423 struct snd_card *card = dev_get_drvdata(dev);
1424 struct fm801 *chip = card->private_data;
1425 int i;
1426
1427 pci_set_power_state(pci, PCI_D0);
1428 pci_restore_state(pci);
1429 if (pci_enable_device(pci) < 0) {
1430 dev_err(dev, "pci_enable_device failed, disabling device\n");
1431 snd_card_disconnect(card);
1432 return -EIO;
1433 }
1434 pci_set_master(pci);
1435
1436 snd_fm801_chip_init(chip, 1);
1437 snd_ac97_resume(chip->ac97);
1438 snd_ac97_resume(chip->ac97_sec);
1439 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1440 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1441
1442 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1443 return 0;
1444 }
1445
1446 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1447 #define SND_FM801_PM_OPS &snd_fm801_pm
1448 #else
1449 #define SND_FM801_PM_OPS NULL
1450 #endif /* CONFIG_PM_SLEEP */
1451
1452 static struct pci_driver fm801_driver = {
1453 .name = KBUILD_MODNAME,
1454 .id_table = snd_fm801_ids,
1455 .probe = snd_card_fm801_probe,
1456 .remove = snd_card_fm801_remove,
1457 .driver = {
1458 .pm = SND_FM801_PM_OPS,
1459 },
1460 };
1461
1462 module_pci_driver(fm801_driver);
Linux kernel - Deliverables
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