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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[zen-stable.git] / sound / pci / fm801.c
blobec05ef5a5abf0c5aae21c1a18ed72403efb74094
1 /*
2 * The driver for the ForteMedia FM801 based soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 *
5 * Support FM only card by Andy Shevchenko <andy@smile.org.ua>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/pci.h>
27 #include <linux/slab.h>
28 #include <linux/module.h>
29 #include <sound/core.h>
30 #include <sound/pcm.h>
31 #include <sound/tlv.h>
32 #include <sound/ac97_codec.h>
33 #include <sound/mpu401.h>
34 #include <sound/opl3.h>
35 #include <sound/initval.h>
36
37 #include <asm/io.h>
38
39 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
40 #include <sound/tea575x-tuner.h>
41 #endif
42
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 int 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
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
71 #define TUNER_DISABLED (1<<3)
72 #define TUNER_ONLY (1<<4)
73 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
74
75 /*
76 * Direct registers
77 */
78
79 #define FM801_REG(chip, reg) (chip->port + FM801_##reg)
80
81 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */
82 #define FM801_FM_VOL 0x02 /* FM Output Volume */
83 #define FM801_I2S_VOL 0x04 /* I2S Volume */
84 #define FM801_REC_SRC 0x06 /* Record Source */
85 #define FM801_PLY_CTRL 0x08 /* Playback Control */
86 #define FM801_PLY_COUNT 0x0a /* Playback Count */
87 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
88 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
89 #define FM801_CAP_CTRL 0x14 /* Capture Control */
90 #define FM801_CAP_COUNT 0x16 /* Capture Count */
91 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
92 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
93 #define FM801_CODEC_CTRL 0x22 /* Codec Control */
94 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */
95 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
96 #define FM801_I2C_CTRL 0x29 /* I2C Control */
97 #define FM801_AC97_CMD 0x2a /* AC'97 Command */
98 #define FM801_AC97_DATA 0x2c /* AC'97 Data */
99 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */
100 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */
101 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
102 #define FM801_GEN_CTRL 0x54 /* General Control */
103 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
104 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
105 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
106 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
107 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
108 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
109 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
110
111 /* codec access */
112 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */
113 #define FM801_AC97_VALID (1<<8) /* port valid=1 */
114 #define FM801_AC97_BUSY (1<<9) /* busy=1 */
115 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
116
117 /* playback and record control register bits */
118 #define FM801_BUF1_LAST (1<<1)
119 #define FM801_BUF2_LAST (1<<2)
120 #define FM801_START (1<<5)
121 #define FM801_PAUSE (1<<6)
122 #define FM801_IMMED_STOP (1<<7)
123 #define FM801_RATE_SHIFT 8
124 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
125 #define FM801_CHANNELS_4 (1<<12) /* playback only */
126 #define FM801_CHANNELS_6 (2<<12) /* playback only */
127 #define FM801_CHANNELS_6MS (3<<12) /* playback only */
128 #define FM801_CHANNELS_MASK (3<<12)
129 #define FM801_16BIT (1<<14)
130 #define FM801_STEREO (1<<15)
131
132 /* IRQ status bits */
133 #define FM801_IRQ_PLAYBACK (1<<8)
134 #define FM801_IRQ_CAPTURE (1<<9)
135 #define FM801_IRQ_VOLUME (1<<14)
136 #define FM801_IRQ_MPU (1<<15)
137
138 /* GPIO control register */
139 #define FM801_GPIO_GP0 (1<<0) /* read/write */
140 #define FM801_GPIO_GP1 (1<<1)
141 #define FM801_GPIO_GP2 (1<<2)
142 #define FM801_GPIO_GP3 (1<<3)
143 #define FM801_GPIO_GP(x) (1<<(0+(x)))
144 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
145 #define FM801_GPIO_GD1 (1<<9)
146 #define FM801_GPIO_GD2 (1<<10)
147 #define FM801_GPIO_GD3 (1<<11)
148 #define FM801_GPIO_GD(x) (1<<(8+(x)))
149 #define FM801_GPIO_GS0 (1<<12) /* function select: */
150 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
151 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
152 #define FM801_GPIO_GS3 (1<<15)
153 #define FM801_GPIO_GS(x) (1<<(12+(x)))
154
155 /*
156
157 */
158
159 struct fm801 {
160 int irq;
161
162 unsigned long port; /* I/O port number */
163 unsigned int multichannel: 1, /* multichannel support */
164 secondary: 1; /* secondary codec */
165 unsigned char secondary_addr; /* address of the secondary codec */
166 unsigned int tea575x_tuner; /* tuner access method & flags */
167
168 unsigned short ply_ctrl; /* playback control */
169 unsigned short cap_ctrl; /* capture control */
170
171 unsigned long ply_buffer;
172 unsigned int ply_buf;
173 unsigned int ply_count;
174 unsigned int ply_size;
175 unsigned int ply_pos;
176
177 unsigned long cap_buffer;
178 unsigned int cap_buf;
179 unsigned int cap_count;
180 unsigned int cap_size;
181 unsigned int cap_pos;
182
183 struct snd_ac97_bus *ac97_bus;
184 struct snd_ac97 *ac97;
185 struct snd_ac97 *ac97_sec;
186
187 struct pci_dev *pci;
188 struct snd_card *card;
189 struct snd_pcm *pcm;
190 struct snd_rawmidi *rmidi;
191 struct snd_pcm_substream *playback_substream;
192 struct snd_pcm_substream *capture_substream;
193 unsigned int p_dma_size;
194 unsigned int c_dma_size;
195
196 spinlock_t reg_lock;
197 struct snd_info_entry *proc_entry;
198
199 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
200 struct snd_tea575x tea;
201 #endif
202
203 #ifdef CONFIG_PM
204 u16 saved_regs[0x20];
205 #endif
206 };
207
208 static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
209 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
210 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
211 { 0, }
212 };
213
214 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
215
216 /*
217 * common I/O routines
218 */
219
220 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
221 unsigned short mask, unsigned short value)
222 {
223 int change;
224 unsigned long flags;
225 unsigned short old, new;
226
227 spin_lock_irqsave(&chip->reg_lock, flags);
228 old = inw(chip->port + reg);
229 new = (old & ~mask) | value;
230 change = old != new;
231 if (change)
232 outw(new, chip->port + reg);
233 spin_unlock_irqrestore(&chip->reg_lock, flags);
234 return change;
235 }
236
237 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
238 unsigned short reg,
239 unsigned short val)
240 {
241 struct fm801 *chip = ac97->private_data;
242 int idx;
243
244 /*
245 * Wait until the codec interface is not ready..
246 */
247 for (idx = 0; idx < 100; idx++) {
248 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
249 goto ok1;
250 udelay(10);
251 }
252 snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
253 return;
254
255 ok1:
256 /* write data and address */
257 outw(val, FM801_REG(chip, AC97_DATA));
258 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
259 /*
260 * Wait until the write command is not completed..
261 */
262 for (idx = 0; idx < 1000; idx++) {
263 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
264 return;
265 udelay(10);
266 }
267 snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
268 }
269
270 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
271 {
272 struct fm801 *chip = ac97->private_data;
273 int idx;
274
275 /*
276 * Wait until the codec interface is not ready..
277 */
278 for (idx = 0; idx < 100; idx++) {
279 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
280 goto ok1;
281 udelay(10);
282 }
283 snd_printk(KERN_ERR "AC'97 interface is busy (1)\n");
284 return 0;
285
286 ok1:
287 /* read command */
288 outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
289 FM801_REG(chip, AC97_CMD));
290 for (idx = 0; idx < 100; idx++) {
291 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
292 goto ok2;
293 udelay(10);
294 }
295 snd_printk(KERN_ERR "AC'97 interface #%d is busy (2)\n", ac97->num);
296 return 0;
297
298 ok2:
299 for (idx = 0; idx < 1000; idx++) {
300 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
301 goto ok3;
302 udelay(10);
303 }
304 snd_printk(KERN_ERR "AC'97 interface #%d is not valid (2)\n", ac97->num);
305 return 0;
306
307 ok3:
308 return inw(FM801_REG(chip, AC97_DATA));
309 }
310
311 static unsigned int rates[] = {
312 5500, 8000, 9600, 11025,
313 16000, 19200, 22050, 32000,
314 38400, 44100, 48000
315 };
316
317 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
318 .count = ARRAY_SIZE(rates),
319 .list = rates,
320 .mask = 0,
321 };
322
323 static unsigned int channels[] = {
324 2, 4, 6
325 };
326
327 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
328 .count = ARRAY_SIZE(channels),
329 .list = channels,
330 .mask = 0,
331 };
332
333 /*
334 * Sample rate routines
335 */
336
337 static unsigned short snd_fm801_rate_bits(unsigned int rate)
338 {
339 unsigned int idx;
340
341 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
342 if (rates[idx] == rate)
343 return idx;
344 snd_BUG();
345 return ARRAY_SIZE(rates) - 1;
346 }
347
348 /*
349 * PCM part
350 */
351
352 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
353 int cmd)
354 {
355 struct fm801 *chip = snd_pcm_substream_chip(substream);
356
357 spin_lock(&chip->reg_lock);
358 switch (cmd) {
359 case SNDRV_PCM_TRIGGER_START:
360 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
361 FM801_BUF2_LAST |
362 FM801_PAUSE);
363 chip->ply_ctrl |= FM801_START |
364 FM801_IMMED_STOP;
365 break;
366 case SNDRV_PCM_TRIGGER_STOP:
367 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
368 break;
369 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
370 case SNDRV_PCM_TRIGGER_SUSPEND:
371 chip->ply_ctrl |= FM801_PAUSE;
372 break;
373 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
374 case SNDRV_PCM_TRIGGER_RESUME:
375 chip->ply_ctrl &= ~FM801_PAUSE;
376 break;
377 default:
378 spin_unlock(&chip->reg_lock);
379 snd_BUG();
380 return -EINVAL;
381 }
382 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
383 spin_unlock(&chip->reg_lock);
384 return 0;
385 }
386
387 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
388 int cmd)
389 {
390 struct fm801 *chip = snd_pcm_substream_chip(substream);
391
392 spin_lock(&chip->reg_lock);
393 switch (cmd) {
394 case SNDRV_PCM_TRIGGER_START:
395 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
396 FM801_BUF2_LAST |
397 FM801_PAUSE);
398 chip->cap_ctrl |= FM801_START |
399 FM801_IMMED_STOP;
400 break;
401 case SNDRV_PCM_TRIGGER_STOP:
402 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
403 break;
404 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
405 case SNDRV_PCM_TRIGGER_SUSPEND:
406 chip->cap_ctrl |= FM801_PAUSE;
407 break;
408 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
409 case SNDRV_PCM_TRIGGER_RESUME:
410 chip->cap_ctrl &= ~FM801_PAUSE;
411 break;
412 default:
413 spin_unlock(&chip->reg_lock);
414 snd_BUG();
415 return -EINVAL;
416 }
417 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
418 spin_unlock(&chip->reg_lock);
419 return 0;
420 }
421
422 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
423 struct snd_pcm_hw_params *hw_params)
424 {
425 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
426 }
427
428 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
429 {
430 return snd_pcm_lib_free_pages(substream);
431 }
432
433 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
434 {
435 struct fm801 *chip = snd_pcm_substream_chip(substream);
436 struct snd_pcm_runtime *runtime = substream->runtime;
437
438 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
439 chip->ply_count = snd_pcm_lib_period_bytes(substream);
440 spin_lock_irq(&chip->reg_lock);
441 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
442 FM801_STEREO | FM801_RATE_MASK |
443 FM801_CHANNELS_MASK);
444 if (snd_pcm_format_width(runtime->format) == 16)
445 chip->ply_ctrl |= FM801_16BIT;
446 if (runtime->channels > 1) {
447 chip->ply_ctrl |= FM801_STEREO;
448 if (runtime->channels == 4)
449 chip->ply_ctrl |= FM801_CHANNELS_4;
450 else if (runtime->channels == 6)
451 chip->ply_ctrl |= FM801_CHANNELS_6;
452 }
453 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
454 chip->ply_buf = 0;
455 outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
456 outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
457 chip->ply_buffer = runtime->dma_addr;
458 chip->ply_pos = 0;
459 outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
460 outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
461 spin_unlock_irq(&chip->reg_lock);
462 return 0;
463 }
464
465 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
466 {
467 struct fm801 *chip = snd_pcm_substream_chip(substream);
468 struct snd_pcm_runtime *runtime = substream->runtime;
469
470 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
471 chip->cap_count = snd_pcm_lib_period_bytes(substream);
472 spin_lock_irq(&chip->reg_lock);
473 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
474 FM801_STEREO | FM801_RATE_MASK);
475 if (snd_pcm_format_width(runtime->format) == 16)
476 chip->cap_ctrl |= FM801_16BIT;
477 if (runtime->channels > 1)
478 chip->cap_ctrl |= FM801_STEREO;
479 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
480 chip->cap_buf = 0;
481 outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
482 outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
483 chip->cap_buffer = runtime->dma_addr;
484 chip->cap_pos = 0;
485 outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
486 outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
487 spin_unlock_irq(&chip->reg_lock);
488 return 0;
489 }
490
491 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
492 {
493 struct fm801 *chip = snd_pcm_substream_chip(substream);
494 size_t ptr;
495
496 if (!(chip->ply_ctrl & FM801_START))
497 return 0;
498 spin_lock(&chip->reg_lock);
499 ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
500 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
501 ptr += chip->ply_count;
502 ptr %= chip->ply_size;
503 }
504 spin_unlock(&chip->reg_lock);
505 return bytes_to_frames(substream->runtime, ptr);
506 }
507
508 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
509 {
510 struct fm801 *chip = snd_pcm_substream_chip(substream);
511 size_t ptr;
512
513 if (!(chip->cap_ctrl & FM801_START))
514 return 0;
515 spin_lock(&chip->reg_lock);
516 ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
517 if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
518 ptr += chip->cap_count;
519 ptr %= chip->cap_size;
520 }
521 spin_unlock(&chip->reg_lock);
522 return bytes_to_frames(substream->runtime, ptr);
523 }
524
525 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
526 {
527 struct fm801 *chip = dev_id;
528 unsigned short status;
529 unsigned int tmp;
530
531 status = inw(FM801_REG(chip, IRQ_STATUS));
532 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
533 if (! status)
534 return IRQ_NONE;
535 /* ack first */
536 outw(status, FM801_REG(chip, IRQ_STATUS));
537 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
538 spin_lock(&chip->reg_lock);
539 chip->ply_buf++;
540 chip->ply_pos += chip->ply_count;
541 chip->ply_pos %= chip->ply_size;
542 tmp = chip->ply_pos + chip->ply_count;
543 tmp %= chip->ply_size;
544 outl(chip->ply_buffer + tmp,
545 (chip->ply_buf & 1) ?
546 FM801_REG(chip, PLY_BUF1) :
547 FM801_REG(chip, PLY_BUF2));
548 spin_unlock(&chip->reg_lock);
549 snd_pcm_period_elapsed(chip->playback_substream);
550 }
551 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
552 spin_lock(&chip->reg_lock);
553 chip->cap_buf++;
554 chip->cap_pos += chip->cap_count;
555 chip->cap_pos %= chip->cap_size;
556 tmp = chip->cap_pos + chip->cap_count;
557 tmp %= chip->cap_size;
558 outl(chip->cap_buffer + tmp,
559 (chip->cap_buf & 1) ?
560 FM801_REG(chip, CAP_BUF1) :
561 FM801_REG(chip, CAP_BUF2));
562 spin_unlock(&chip->reg_lock);
563 snd_pcm_period_elapsed(chip->capture_substream);
564 }
565 if (chip->rmidi && (status & FM801_IRQ_MPU))
566 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
567 if (status & FM801_IRQ_VOLUME)
568 ;/* TODO */
569
570 return IRQ_HANDLED;
571 }
572
573 static struct snd_pcm_hardware snd_fm801_playback =
574 {
575 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
576 SNDRV_PCM_INFO_BLOCK_TRANSFER |
577 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
578 SNDRV_PCM_INFO_MMAP_VALID),
579 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
580 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
581 .rate_min = 5500,
582 .rate_max = 48000,
583 .channels_min = 1,
584 .channels_max = 2,
585 .buffer_bytes_max = (128*1024),
586 .period_bytes_min = 64,
587 .period_bytes_max = (128*1024),
588 .periods_min = 1,
589 .periods_max = 1024,
590 .fifo_size = 0,
591 };
592
593 static struct snd_pcm_hardware snd_fm801_capture =
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 int snd_fm801_playback_open(struct snd_pcm_substream *substream)
614 {
615 struct fm801 *chip = snd_pcm_substream_chip(substream);
616 struct snd_pcm_runtime *runtime = substream->runtime;
617 int err;
618
619 chip->playback_substream = substream;
620 runtime->hw = snd_fm801_playback;
621 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
622 &hw_constraints_rates);
623 if (chip->multichannel) {
624 runtime->hw.channels_max = 6;
625 snd_pcm_hw_constraint_list(runtime, 0,
626 SNDRV_PCM_HW_PARAM_CHANNELS,
627 &hw_constraints_channels);
628 }
629 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
630 return err;
631 return 0;
632 }
633
634 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
635 {
636 struct fm801 *chip = snd_pcm_substream_chip(substream);
637 struct snd_pcm_runtime *runtime = substream->runtime;
638 int err;
639
640 chip->capture_substream = substream;
641 runtime->hw = snd_fm801_capture;
642 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
643 &hw_constraints_rates);
644 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
645 return err;
646 return 0;
647 }
648
649 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
650 {
651 struct fm801 *chip = snd_pcm_substream_chip(substream);
652
653 chip->playback_substream = NULL;
654 return 0;
655 }
656
657 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
658 {
659 struct fm801 *chip = snd_pcm_substream_chip(substream);
660
661 chip->capture_substream = NULL;
662 return 0;
663 }
664
665 static struct snd_pcm_ops snd_fm801_playback_ops = {
666 .open = snd_fm801_playback_open,
667 .close = snd_fm801_playback_close,
668 .ioctl = snd_pcm_lib_ioctl,
669 .hw_params = snd_fm801_hw_params,
670 .hw_free = snd_fm801_hw_free,
671 .prepare = snd_fm801_playback_prepare,
672 .trigger = snd_fm801_playback_trigger,
673 .pointer = snd_fm801_playback_pointer,
674 };
675
676 static struct snd_pcm_ops snd_fm801_capture_ops = {
677 .open = snd_fm801_capture_open,
678 .close = snd_fm801_capture_close,
679 .ioctl = snd_pcm_lib_ioctl,
680 .hw_params = snd_fm801_hw_params,
681 .hw_free = snd_fm801_hw_free,
682 .prepare = snd_fm801_capture_prepare,
683 .trigger = snd_fm801_capture_trigger,
684 .pointer = snd_fm801_capture_pointer,
685 };
686
687 static int __devinit snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm ** rpcm)
688 {
689 struct snd_pcm *pcm;
690 int err;
691
692 if (rpcm)
693 *rpcm = NULL;
694 if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
695 return err;
696
697 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
698 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
699
700 pcm->private_data = chip;
701 pcm->info_flags = 0;
702 strcpy(pcm->name, "FM801");
703 chip->pcm = pcm;
704
705 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
706 snd_dma_pci_data(chip->pci),
707 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
708
709 if (rpcm)
710 *rpcm = pcm;
711 return 0;
712 }
713
714 /*
715 * TEA5757 radio
716 */
717
718 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
719
720 /* GPIO to TEA575x maps */
721 struct snd_fm801_tea575x_gpio {
722 u8 data, clk, wren, most;
723 char *name;
724 };
725
726 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
727 { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
728 { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
729 { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
730 };
731
732 #define get_tea575x_gpio(chip) \
733 (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
734
735 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
736 {
737 struct fm801 *chip = tea->private_data;
738 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
739 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
740
741 reg &= ~(FM801_GPIO_GP(gpio.data) |
742 FM801_GPIO_GP(gpio.clk) |
743 FM801_GPIO_GP(gpio.wren));
744
745 reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
746 reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
747 /* WRITE_ENABLE is inverted */
748 reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
749
750 outw(reg, FM801_REG(chip, GPIO_CTRL));
751 }
752
753 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
754 {
755 struct fm801 *chip = tea->private_data;
756 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
757 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
758
759 return (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
760 (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
761 }
762
763 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
764 {
765 struct fm801 *chip = tea->private_data;
766 unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
767 struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
768
769 /* use GPIO lines and set write enable bit */
770 reg |= FM801_GPIO_GS(gpio.data) |
771 FM801_GPIO_GS(gpio.wren) |
772 FM801_GPIO_GS(gpio.clk) |
773 FM801_GPIO_GS(gpio.most);
774 if (output) {
775 /* all of lines are in the write direction */
776 /* clear data and clock lines */
777 reg &= ~(FM801_GPIO_GD(gpio.data) |
778 FM801_GPIO_GD(gpio.wren) |
779 FM801_GPIO_GD(gpio.clk) |
780 FM801_GPIO_GP(gpio.data) |
781 FM801_GPIO_GP(gpio.clk) |
782 FM801_GPIO_GP(gpio.wren));
783 } else {
784 /* use GPIO lines, set data direction to input */
785 reg |= FM801_GPIO_GD(gpio.data) |
786 FM801_GPIO_GD(gpio.most) |
787 FM801_GPIO_GP(gpio.data) |
788 FM801_GPIO_GP(gpio.most) |
789 FM801_GPIO_GP(gpio.wren);
790 /* all of lines are in the write direction, except data */
791 /* clear data, write enable and clock lines */
792 reg &= ~(FM801_GPIO_GD(gpio.wren) |
793 FM801_GPIO_GD(gpio.clk) |
794 FM801_GPIO_GP(gpio.clk));
795 }
796
797 outw(reg, FM801_REG(chip, GPIO_CTRL));
798 }
799
800 static struct snd_tea575x_ops snd_fm801_tea_ops = {
801 .set_pins = snd_fm801_tea575x_set_pins,
802 .get_pins = snd_fm801_tea575x_get_pins,
803 .set_direction = snd_fm801_tea575x_set_direction,
804 };
805 #endif
806
807 /*
808 * Mixer routines
809 */
810
811 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
812 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
813 .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
814 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
815
816 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
817 struct snd_ctl_elem_info *uinfo)
818 {
819 int mask = (kcontrol->private_value >> 16) & 0xff;
820
821 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
822 uinfo->count = 1;
823 uinfo->value.integer.min = 0;
824 uinfo->value.integer.max = mask;
825 return 0;
826 }
827
828 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
829 struct snd_ctl_elem_value *ucontrol)
830 {
831 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
832 int reg = kcontrol->private_value & 0xff;
833 int shift = (kcontrol->private_value >> 8) & 0xff;
834 int mask = (kcontrol->private_value >> 16) & 0xff;
835 int invert = (kcontrol->private_value >> 24) & 0xff;
836
837 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
838 if (invert)
839 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
840 return 0;
841 }
842
843 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
844 struct snd_ctl_elem_value *ucontrol)
845 {
846 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
847 int reg = kcontrol->private_value & 0xff;
848 int shift = (kcontrol->private_value >> 8) & 0xff;
849 int mask = (kcontrol->private_value >> 16) & 0xff;
850 int invert = (kcontrol->private_value >> 24) & 0xff;
851 unsigned short val;
852
853 val = (ucontrol->value.integer.value[0] & mask);
854 if (invert)
855 val = mask - val;
856 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
857 }
858
859 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
860 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
861 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
862 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
863 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
865 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
866 .name = xname, .info = snd_fm801_info_double, \
867 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
868 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
869 .tlv = { .p = (xtlv) } }
870
871 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
872 struct snd_ctl_elem_info *uinfo)
873 {
874 int mask = (kcontrol->private_value >> 16) & 0xff;
875
876 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
877 uinfo->count = 2;
878 uinfo->value.integer.min = 0;
879 uinfo->value.integer.max = mask;
880 return 0;
881 }
882
883 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
884 struct snd_ctl_elem_value *ucontrol)
885 {
886 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
887 int reg = kcontrol->private_value & 0xff;
888 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
889 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
890 int mask = (kcontrol->private_value >> 16) & 0xff;
891 int invert = (kcontrol->private_value >> 24) & 0xff;
892
893 spin_lock_irq(&chip->reg_lock);
894 ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
895 ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
896 spin_unlock_irq(&chip->reg_lock);
897 if (invert) {
898 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
899 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
900 }
901 return 0;
902 }
903
904 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
905 struct snd_ctl_elem_value *ucontrol)
906 {
907 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
908 int reg = kcontrol->private_value & 0xff;
909 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
910 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
911 int mask = (kcontrol->private_value >> 16) & 0xff;
912 int invert = (kcontrol->private_value >> 24) & 0xff;
913 unsigned short val1, val2;
914
915 val1 = ucontrol->value.integer.value[0] & mask;
916 val2 = ucontrol->value.integer.value[1] & mask;
917 if (invert) {
918 val1 = mask - val1;
919 val2 = mask - val2;
920 }
921 return snd_fm801_update_bits(chip, reg,
922 (mask << shift_left) | (mask << shift_right),
923 (val1 << shift_left ) | (val2 << shift_right));
924 }
925
926 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
927 struct snd_ctl_elem_info *uinfo)
928 {
929 static char *texts[5] = {
930 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
931 };
932
933 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
934 uinfo->count = 1;
935 uinfo->value.enumerated.items = 5;
936 if (uinfo->value.enumerated.item > 4)
937 uinfo->value.enumerated.item = 4;
938 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
939 return 0;
940 }
941
942 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
943 struct snd_ctl_elem_value *ucontrol)
944 {
945 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
946 unsigned short val;
947
948 val = inw(FM801_REG(chip, REC_SRC)) & 7;
949 if (val > 4)
950 val = 4;
951 ucontrol->value.enumerated.item[0] = val;
952 return 0;
953 }
954
955 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
956 struct snd_ctl_elem_value *ucontrol)
957 {
958 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
959 unsigned short val;
960
961 if ((val = ucontrol->value.enumerated.item[0]) > 4)
962 return -EINVAL;
963 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
964 }
965
966 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
967
968 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
969
970 static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
971 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
972 db_scale_dsp),
973 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
974 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
975 db_scale_dsp),
976 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
977 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
978 db_scale_dsp),
979 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
980 {
981 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
982 .name = "Digital Capture Source",
983 .info = snd_fm801_info_mux,
984 .get = snd_fm801_get_mux,
985 .put = snd_fm801_put_mux,
986 }
987 };
988
989 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
990
991 static struct snd_kcontrol_new snd_fm801_controls_multi[] __devinitdata = {
992 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
993 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
994 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
995 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
996 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
997 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
998 };
999
1000 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1001 {
1002 struct fm801 *chip = bus->private_data;
1003 chip->ac97_bus = NULL;
1004 }
1005
1006 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1007 {
1008 struct fm801 *chip = ac97->private_data;
1009 if (ac97->num == 0) {
1010 chip->ac97 = NULL;
1011 } else {
1012 chip->ac97_sec = NULL;
1013 }
1014 }
1015
1016 static int __devinit snd_fm801_mixer(struct fm801 *chip)
1017 {
1018 struct snd_ac97_template ac97;
1019 unsigned int i;
1020 int err;
1021 static struct snd_ac97_bus_ops ops = {
1022 .write = snd_fm801_codec_write,
1023 .read = snd_fm801_codec_read,
1024 };
1025
1026 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1027 return err;
1028 chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1029
1030 memset(&ac97, 0, sizeof(ac97));
1031 ac97.private_data = chip;
1032 ac97.private_free = snd_fm801_mixer_free_ac97;
1033 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1034 return err;
1035 if (chip->secondary) {
1036 ac97.num = 1;
1037 ac97.addr = chip->secondary_addr;
1038 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1039 return err;
1040 }
1041 for (i = 0; i < FM801_CONTROLS; i++)
1042 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1043 if (chip->multichannel) {
1044 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1045 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1046 }
1047 return 0;
1048 }
1049
1050 /*
1051 * initialization routines
1052 */
1053
1054 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1055 unsigned short reg, unsigned long waits)
1056 {
1057 unsigned long timeout = jiffies + waits;
1058
1059 outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1060 FM801_REG(chip, AC97_CMD));
1061 udelay(5);
1062 do {
1063 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1064 == FM801_AC97_VALID)
1065 return 0;
1066 schedule_timeout_uninterruptible(1);
1067 } while (time_after(timeout, jiffies));
1068 return -EIO;
1069 }
1070
1071 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1072 {
1073 unsigned short cmdw;
1074
1075 if (chip->tea575x_tuner & TUNER_ONLY)
1076 goto __ac97_ok;
1077
1078 /* codec cold reset + AC'97 warm reset */
1079 outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1080 inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1081 udelay(100);
1082 outw(0, FM801_REG(chip, CODEC_CTRL));
1083
1084 if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1085 if (!resume) {
1086 snd_printk(KERN_INFO "Primary AC'97 codec not found, "
1087 "assume SF64-PCR (tuner-only)\n");
1088 chip->tea575x_tuner = 3 | TUNER_ONLY;
1089 goto __ac97_ok;
1090 }
1091
1092 if (chip->multichannel) {
1093 if (chip->secondary_addr) {
1094 wait_for_codec(chip, chip->secondary_addr,
1095 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1096 } else {
1097 /* my card has the secondary codec */
1098 /* at address #3, so the loop is inverted */
1099 int i;
1100 for (i = 3; i > 0; i--) {
1101 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1102 msecs_to_jiffies(50))) {
1103 cmdw = inw(FM801_REG(chip, AC97_DATA));
1104 if (cmdw != 0xffff && cmdw != 0) {
1105 chip->secondary = 1;
1106 chip->secondary_addr = i;
1107 break;
1108 }
1109 }
1110 }
1111 }
1112
1113 /* the recovery phase, it seems that probing for non-existing codec might */
1114 /* cause timeout problems */
1115 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1116 }
1117
1118 __ac97_ok:
1119
1120 /* init volume */
1121 outw(0x0808, FM801_REG(chip, PCM_VOL));
1122 outw(0x9f1f, FM801_REG(chip, FM_VOL));
1123 outw(0x8808, FM801_REG(chip, I2S_VOL));
1124
1125 /* I2S control - I2S mode */
1126 outw(0x0003, FM801_REG(chip, I2S_MODE));
1127
1128 /* interrupt setup */
1129 cmdw = inw(FM801_REG(chip, IRQ_MASK));
1130 if (chip->irq < 0)
1131 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1132 else
1133 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1134 outw(cmdw, FM801_REG(chip, IRQ_MASK));
1135
1136 /* interrupt clear */
1137 outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1138
1139 return 0;
1140 }
1141
1142
1143 static int snd_fm801_free(struct fm801 *chip)
1144 {
1145 unsigned short cmdw;
1146
1147 if (chip->irq < 0)
1148 goto __end_hw;
1149
1150 /* interrupt setup - mask everything */
1151 cmdw = inw(FM801_REG(chip, IRQ_MASK));
1152 cmdw |= 0x00c3;
1153 outw(cmdw, FM801_REG(chip, IRQ_MASK));
1154
1155 __end_hw:
1156 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1157 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1158 snd_tea575x_exit(&chip->tea);
1159 #endif
1160 if (chip->irq >= 0)
1161 free_irq(chip->irq, chip);
1162 pci_release_regions(chip->pci);
1163 pci_disable_device(chip->pci);
1164
1165 kfree(chip);
1166 return 0;
1167 }
1168
1169 static int snd_fm801_dev_free(struct snd_device *device)
1170 {
1171 struct fm801 *chip = device->device_data;
1172 return snd_fm801_free(chip);
1173 }
1174
1175 static int __devinit snd_fm801_create(struct snd_card *card,
1176 struct pci_dev * pci,
1177 int tea575x_tuner,
1178 struct fm801 ** rchip)
1179 {
1180 struct fm801 *chip;
1181 int err;
1182 static struct snd_device_ops ops = {
1183 .dev_free = snd_fm801_dev_free,
1184 };
1185
1186 *rchip = NULL;
1187 if ((err = pci_enable_device(pci)) < 0)
1188 return err;
1189 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1190 if (chip == NULL) {
1191 pci_disable_device(pci);
1192 return -ENOMEM;
1193 }
1194 spin_lock_init(&chip->reg_lock);
1195 chip->card = card;
1196 chip->pci = pci;
1197 chip->irq = -1;
1198 chip->tea575x_tuner = tea575x_tuner;
1199 if ((err = pci_request_regions(pci, "FM801")) < 0) {
1200 kfree(chip);
1201 pci_disable_device(pci);
1202 return err;
1203 }
1204 chip->port = pci_resource_start(pci, 0);
1205 if ((tea575x_tuner & TUNER_ONLY) == 0) {
1206 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1207 KBUILD_MODNAME, chip)) {
1208 snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
1209 snd_fm801_free(chip);
1210 return -EBUSY;
1211 }
1212 chip->irq = pci->irq;
1213 pci_set_master(pci);
1214 }
1215
1216 if (pci->revision >= 0xb1) /* FM801-AU */
1217 chip->multichannel = 1;
1218
1219 snd_fm801_chip_init(chip, 0);
1220 /* init might set tuner access method */
1221 tea575x_tuner = chip->tea575x_tuner;
1222
1223 if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1224 pci_clear_master(pci);
1225 free_irq(chip->irq, chip);
1226 chip->irq = -1;
1227 }
1228
1229 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1230 snd_fm801_free(chip);
1231 return err;
1232 }
1233
1234 snd_card_set_dev(card, &pci->dev);
1235
1236 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1237 chip->tea.private_data = chip;
1238 chip->tea.ops = &snd_fm801_tea_ops;
1239 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1240 if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1241 (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1242 if (snd_tea575x_init(&chip->tea)) {
1243 snd_printk(KERN_ERR "TEA575x radio not found\n");
1244 return -ENODEV;
1245 }
1246 } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1247 /* autodetect tuner connection */
1248 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1249 chip->tea575x_tuner = tea575x_tuner;
1250 if (!snd_tea575x_init(&chip->tea)) {
1251 snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
1252 get_tea575x_gpio(chip)->name);
1253 break;
1254 }
1255 }
1256 if (tea575x_tuner == 4) {
1257 snd_printk(KERN_ERR "TEA575x radio not found\n");
1258 chip->tea575x_tuner = TUNER_DISABLED;
1259 }
1260 }
1261 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1262 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1263 sizeof(chip->tea.card));
1264 }
1265 #endif
1266
1267 *rchip = chip;
1268 return 0;
1269 }
1270
1271 static int __devinit snd_card_fm801_probe(struct pci_dev *pci,
1272 const struct pci_device_id *pci_id)
1273 {
1274 static int dev;
1275 struct snd_card *card;
1276 struct fm801 *chip;
1277 struct snd_opl3 *opl3;
1278 int err;
1279
1280 if (dev >= SNDRV_CARDS)
1281 return -ENODEV;
1282 if (!enable[dev]) {
1283 dev++;
1284 return -ENOENT;
1285 }
1286
1287 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1288 if (err < 0)
1289 return err;
1290 if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], &chip)) < 0) {
1291 snd_card_free(card);
1292 return err;
1293 }
1294 card->private_data = chip;
1295
1296 strcpy(card->driver, "FM801");
1297 strcpy(card->shortname, "ForteMedia FM801-");
1298 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1299 sprintf(card->longname, "%s at 0x%lx, irq %i",
1300 card->shortname, chip->port, chip->irq);
1301
1302 if (chip->tea575x_tuner & TUNER_ONLY)
1303 goto __fm801_tuner_only;
1304
1305 if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1306 snd_card_free(card);
1307 return err;
1308 }
1309 if ((err = snd_fm801_mixer(chip)) < 0) {
1310 snd_card_free(card);
1311 return err;
1312 }
1313 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1314 FM801_REG(chip, MPU401_DATA),
1315 MPU401_INFO_INTEGRATED |
1316 MPU401_INFO_IRQ_HOOK,
1317 -1, &chip->rmidi)) < 0) {
1318 snd_card_free(card);
1319 return err;
1320 }
1321 if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1322 FM801_REG(chip, OPL3_BANK1),
1323 OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1324 snd_card_free(card);
1325 return err;
1326 }
1327 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1328 snd_card_free(card);
1329 return err;
1330 }
1331
1332 __fm801_tuner_only:
1333 if ((err = snd_card_register(card)) < 0) {
1334 snd_card_free(card);
1335 return err;
1336 }
1337 pci_set_drvdata(pci, card);
1338 dev++;
1339 return 0;
1340 }
1341
1342 static void __devexit snd_card_fm801_remove(struct pci_dev *pci)
1343 {
1344 snd_card_free(pci_get_drvdata(pci));
1345 pci_set_drvdata(pci, NULL);
1346 }
1347
1348 #ifdef CONFIG_PM
1349 static unsigned char saved_regs[] = {
1350 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1351 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1352 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1353 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1354 };
1355
1356 static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state)
1357 {
1358 struct snd_card *card = pci_get_drvdata(pci);
1359 struct fm801 *chip = card->private_data;
1360 int i;
1361
1362 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1363 snd_pcm_suspend_all(chip->pcm);
1364 snd_ac97_suspend(chip->ac97);
1365 snd_ac97_suspend(chip->ac97_sec);
1366 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1367 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1368 /* FIXME: tea575x suspend */
1369
1370 pci_disable_device(pci);
1371 pci_save_state(pci);
1372 pci_set_power_state(pci, pci_choose_state(pci, state));
1373 return 0;
1374 }
1375
1376 static int snd_fm801_resume(struct pci_dev *pci)
1377 {
1378 struct snd_card *card = pci_get_drvdata(pci);
1379 struct fm801 *chip = card->private_data;
1380 int i;
1381
1382 pci_set_power_state(pci, PCI_D0);
1383 pci_restore_state(pci);
1384 if (pci_enable_device(pci) < 0) {
1385 printk(KERN_ERR "fm801: pci_enable_device failed, "
1386 "disabling device\n");
1387 snd_card_disconnect(card);
1388 return -EIO;
1389 }
1390 pci_set_master(pci);
1391
1392 snd_fm801_chip_init(chip, 1);
1393 snd_ac97_resume(chip->ac97);
1394 snd_ac97_resume(chip->ac97_sec);
1395 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1396 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1397
1398 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1399 return 0;
1400 }
1401 #endif
1402
1403 static struct pci_driver driver = {
1404 .name = KBUILD_MODNAME,
1405 .id_table = snd_fm801_ids,
1406 .probe = snd_card_fm801_probe,
1407 .remove = __devexit_p(snd_card_fm801_remove),
1408 #ifdef CONFIG_PM
1409 .suspend = snd_fm801_suspend,
1410 .resume = snd_fm801_resume,
1411 #endif
1412 };
1413
1414 static int __init alsa_card_fm801_init(void)
1415 {
1416 return pci_register_driver(&driver);
1417 }
1418
1419 static void __exit alsa_card_fm801_exit(void)
1420 {
1421 pci_unregister_driver(&driver);
1422 }
1423
1424 module_init(alsa_card_fm801_init)
1425 module_exit(alsa_card_fm801_exit)