1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * The driver for the ForteMedia FM801 based soundcards
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 */
6
7 #include <linux/delay.h>
8 #include <linux/init.h>
9 #include <linux/interrupt.h>
10 #include <linux/io.h>
11 #include <linux/pci.h>
12 #include <linux/slab.h>
13 #include <linux/module.h>
14 #include <sound/core.h>
15 #include <sound/pcm.h>
16 #include <sound/tlv.h>
17 #include <sound/ac97_codec.h>
18 #include <sound/mpu401.h>
19 #include <sound/opl3.h>
20 #include <sound/initval.h>
21
22 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
23 #include <media/drv-intf/tea575x.h>
24 #endif
25
26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27 MODULE_DESCRIPTION("ForteMedia FM801");
28 MODULE_LICENSE("GPL");
29
30 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
31 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
32 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
33 /*
34 * Enable TEA575x tuner
35 * 1 = MediaForte 256-PCS
36 * 2 = MediaForte 256-PCP
37 * 3 = MediaForte 64-PCR
38 * 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
39 * High 16-bits are video (radio) device number + 1
40 */
41 static int tea575x_tuner[SNDRV_CARDS];
42 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
43
44 module_param_array(index, int, NULL, 0444);
45 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
46 module_param_array(id, charp, NULL, 0444);
47 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
48 module_param_array(enable, bool, NULL, 0444);
49 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
50 module_param_array(tea575x_tuner, int, NULL, 0444);
51 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).");
52 module_param_array(radio_nr, int, NULL, 0444);
53 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
54
55
56 #define TUNER_DISABLED (1<<3)
57 #define TUNER_ONLY (1<<4)
58 #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
59
60 /*
61 * Direct registers
62 */
63
64 #define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
65 #define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
66
67 #define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
68
69 #define FM801_PCM_VOL 0x00 /* PCM Output Volume */
70 #define FM801_FM_VOL 0x02 /* FM Output Volume */
71 #define FM801_I2S_VOL 0x04 /* I2S Volume */
72 #define FM801_REC_SRC 0x06 /* Record Source */
73 #define FM801_PLY_CTRL 0x08 /* Playback Control */
74 #define FM801_PLY_COUNT 0x0a /* Playback Count */
75 #define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
76 #define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
77 #define FM801_CAP_CTRL 0x14 /* Capture Control */
78 #define FM801_CAP_COUNT 0x16 /* Capture Count */
79 #define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
80 #define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
81 #define FM801_CODEC_CTRL 0x22 /* Codec Control */
82 #define FM801_I2S_MODE 0x24 /* I2S Mode Control */
83 #define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
84 #define FM801_I2C_CTRL 0x29 /* I2C Control */
85 #define FM801_AC97_CMD 0x2a /* AC'97 Command */
86 #define FM801_AC97_DATA 0x2c /* AC'97 Data */
87 #define FM801_MPU401_DATA 0x30 /* MPU401 Data */
88 #define FM801_MPU401_CMD 0x31 /* MPU401 Command */
89 #define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
90 #define FM801_GEN_CTRL 0x54 /* General Control */
91 #define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
92 #define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
93 #define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
94 #define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
95 #define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
96 #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
97 #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
98
99 /* codec access */
100 #define FM801_AC97_READ (1<<7) /* read=1, write=0 */
101 #define FM801_AC97_VALID (1<<8) /* port valid=1 */
102 #define FM801_AC97_BUSY (1<<9) /* busy=1 */
103 #define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
104
105 /* playback and record control register bits */
106 #define FM801_BUF1_LAST (1<<1)
107 #define FM801_BUF2_LAST (1<<2)
108 #define FM801_START (1<<5)
109 #define FM801_PAUSE (1<<6)
110 #define FM801_IMMED_STOP (1<<7)
111 #define FM801_RATE_SHIFT 8
112 #define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
113 #define FM801_CHANNELS_4 (1<<12) /* playback only */
114 #define FM801_CHANNELS_6 (2<<12) /* playback only */
115 #define FM801_CHANNELS_6MS (3<<12) /* playback only */
116 #define FM801_CHANNELS_MASK (3<<12)
117 #define FM801_16BIT (1<<14)
118 #define FM801_STEREO (1<<15)
119
120 /* IRQ status bits */
121 #define FM801_IRQ_PLAYBACK (1<<8)
122 #define FM801_IRQ_CAPTURE (1<<9)
123 #define FM801_IRQ_VOLUME (1<<14)
124 #define FM801_IRQ_MPU (1<<15)
125
126 /* GPIO control register */
127 #define FM801_GPIO_GP0 (1<<0) /* read/write */
128 #define FM801_GPIO_GP1 (1<<1)
129 #define FM801_GPIO_GP2 (1<<2)
130 #define FM801_GPIO_GP3 (1<<3)
131 #define FM801_GPIO_GP(x) (1<<(0+(x)))
132 #define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
133 #define FM801_GPIO_GD1 (1<<9)
134 #define FM801_GPIO_GD2 (1<<10)
135 #define FM801_GPIO_GD3 (1<<11)
136 #define FM801_GPIO_GD(x) (1<<(8+(x)))
137 #define FM801_GPIO_GS0 (1<<12) /* function select: */
138 #define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
139 #define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
140 #define FM801_GPIO_GS3 (1<<15)
141 #define FM801_GPIO_GS(x) (1<<(12+(x)))
142
143 /**
144 * struct fm801 - describes FM801 chip
145 * @dev: device for this chio
146 * @irq: irq number
147 * @port: I/O port number
148 * @multichannel: multichannel support
149 * @secondary: secondary codec
150 * @secondary_addr: address of the secondary codec
151 * @tea575x_tuner: tuner access method & flags
152 * @ply_ctrl: playback control
153 * @cap_ctrl: capture control
154 * @ply_buffer: playback buffer
155 * @ply_buf: playback buffer index
156 * @ply_count: playback buffer count
157 * @ply_size: playback buffer size
158 * @ply_pos: playback position
159 * @cap_buffer: capture buffer
160 * @cap_buf: capture buffer index
161 * @cap_count: capture buffer count
162 * @cap_size: capture buffer size
163 * @cap_pos: capture position
164 * @ac97_bus: ac97 bus handle
165 * @ac97: ac97 handle
166 * @ac97_sec: ac97 secondary handle
167 * @card: ALSA card
168 * @pcm: PCM devices
169 * @rmidi: rmidi device
170 * @playback_substream: substream for playback
171 * @capture_substream: substream for capture
172 * @p_dma_size: playback DMA size
173 * @c_dma_size: capture DMA size
174 * @reg_lock: lock
175 * @proc_entry: /proc entry
176 * @v4l2_dev: v4l2 device
177 * @tea: tea575a structure
178 * @saved_regs: context saved during suspend
179 */
180 struct fm801 {
181 struct device *dev;
182 int irq;
183
184 unsigned long port;
185 unsigned int multichannel: 1,
186 secondary: 1;
187 unsigned char secondary_addr;
188 unsigned int tea575x_tuner;
189
190 unsigned short ply_ctrl;
191 unsigned short cap_ctrl;
192
193 unsigned long ply_buffer;
194 unsigned int ply_buf;
195 unsigned int ply_count;
196 unsigned int ply_size;
197 unsigned int ply_pos;
198
199 unsigned long cap_buffer;
200 unsigned int cap_buf;
201 unsigned int cap_count;
202 unsigned int cap_size;
203 unsigned int cap_pos;
204
205 struct snd_ac97_bus *ac97_bus;
206 struct snd_ac97 *ac97;
207 struct snd_ac97 *ac97_sec;
208
209 struct snd_card *card;
210 struct snd_pcm *pcm;
211 struct snd_rawmidi *rmidi;
212 struct snd_pcm_substream *playback_substream;
213 struct snd_pcm_substream *capture_substream;
214 unsigned int p_dma_size;
215 unsigned int c_dma_size;
216
217 spinlock_t reg_lock;
218 struct snd_info_entry *proc_entry;
219
220 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
221 struct v4l2_device v4l2_dev;
222 struct snd_tea575x tea;
223 #endif
224
225 u16 saved_regs[0x20];
226 };
227
228 /*
229 * IO accessors
230 */
231
fm801_iowrite16(struct fm801 * chip,unsigned short offset,u16 value)232 static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
233 {
234 outw(value, chip->port + offset);
235 }
236
fm801_ioread16(struct fm801 * chip,unsigned short offset)237 static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
238 {
239 return inw(chip->port + offset);
240 }
241
242 static const struct pci_device_id snd_fm801_ids[] = {
243 { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
244 { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
245 { 0, }
246 };
247
248 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
249
250 /*
251 * common I/O routines
252 */
253
fm801_ac97_is_ready(struct fm801 * chip,unsigned int iterations)254 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
255 {
256 unsigned int idx;
257
258 for (idx = 0; idx < iterations; idx++) {
259 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
260 return true;
261 udelay(10);
262 }
263 return false;
264 }
265
fm801_ac97_is_valid(struct fm801 * chip,unsigned int iterations)266 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
267 {
268 unsigned int idx;
269
270 for (idx = 0; idx < iterations; idx++) {
271 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
272 return true;
273 udelay(10);
274 }
275 return false;
276 }
277
snd_fm801_update_bits(struct fm801 * chip,unsigned short reg,unsigned short mask,unsigned short value)278 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
279 unsigned short mask, unsigned short value)
280 {
281 int change;
282 unsigned long flags;
283 unsigned short old, new;
284
285 spin_lock_irqsave(&chip->reg_lock, flags);
286 old = fm801_ioread16(chip, reg);
287 new = (old & ~mask) | value;
288 change = old != new;
289 if (change)
290 fm801_iowrite16(chip, reg, new);
291 spin_unlock_irqrestore(&chip->reg_lock, flags);
292 return change;
293 }
294
snd_fm801_codec_write(struct snd_ac97 * ac97,unsigned short reg,unsigned short val)295 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
296 unsigned short reg,
297 unsigned short val)
298 {
299 struct fm801 *chip = ac97->private_data;
300
301 /*
302 * Wait until the codec interface is not ready..
303 */
304 if (!fm801_ac97_is_ready(chip, 100)) {
305 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
306 return;
307 }
308
309 /* write data and address */
310 fm801_writew(chip, AC97_DATA, val);
311 fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
312 /*
313 * Wait until the write command is not completed..
314 */
315 if (!fm801_ac97_is_ready(chip, 1000))
316 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
317 ac97->num);
318 }
319
snd_fm801_codec_read(struct snd_ac97 * ac97,unsigned short reg)320 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
321 {
322 struct fm801 *chip = ac97->private_data;
323
324 /*
325 * Wait until the codec interface is not ready..
326 */
327 if (!fm801_ac97_is_ready(chip, 100)) {
328 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
329 return 0;
330 }
331
332 /* read command */
333 fm801_writew(chip, AC97_CMD,
334 reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
335 if (!fm801_ac97_is_ready(chip, 100)) {
336 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
337 ac97->num);
338 return 0;
339 }
340
341 if (!fm801_ac97_is_valid(chip, 1000)) {
342 dev_err(chip->card->dev,
343 "AC'97 interface #%d is not valid (2)\n", ac97->num);
344 return 0;
345 }
346
347 return fm801_readw(chip, AC97_DATA);
348 }
349
350 static const unsigned int rates[] = {
351 5500, 8000, 9600, 11025,
352 16000, 19200, 22050, 32000,
353 38400, 44100, 48000
354 };
355
356 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
357 .count = ARRAY_SIZE(rates),
358 .list = rates,
359 .mask = 0,
360 };
361
362 static const unsigned int channels[] = {
363 2, 4, 6
364 };
365
366 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
367 .count = ARRAY_SIZE(channels),
368 .list = channels,
369 .mask = 0,
370 };
371
372 /*
373 * Sample rate routines
374 */
375
snd_fm801_rate_bits(unsigned int rate)376 static unsigned short snd_fm801_rate_bits(unsigned int rate)
377 {
378 unsigned int idx;
379
380 for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
381 if (rates[idx] == rate)
382 return idx;
383 snd_BUG();
384 return ARRAY_SIZE(rates) - 1;
385 }
386
387 /*
388 * PCM part
389 */
390
snd_fm801_playback_trigger(struct snd_pcm_substream * substream,int cmd)391 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
392 int cmd)
393 {
394 struct fm801 *chip = snd_pcm_substream_chip(substream);
395
396 spin_lock(&chip->reg_lock);
397 switch (cmd) {
398 case SNDRV_PCM_TRIGGER_START:
399 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
400 FM801_BUF2_LAST |
401 FM801_PAUSE);
402 chip->ply_ctrl |= FM801_START |
403 FM801_IMMED_STOP;
404 break;
405 case SNDRV_PCM_TRIGGER_STOP:
406 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
407 break;
408 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
409 case SNDRV_PCM_TRIGGER_SUSPEND:
410 chip->ply_ctrl |= FM801_PAUSE;
411 break;
412 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
413 case SNDRV_PCM_TRIGGER_RESUME:
414 chip->ply_ctrl &= ~FM801_PAUSE;
415 break;
416 default:
417 spin_unlock(&chip->reg_lock);
418 snd_BUG();
419 return -EINVAL;
420 }
421 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
422 spin_unlock(&chip->reg_lock);
423 return 0;
424 }
425
snd_fm801_capture_trigger(struct snd_pcm_substream * substream,int cmd)426 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
427 int cmd)
428 {
429 struct fm801 *chip = snd_pcm_substream_chip(substream);
430
431 spin_lock(&chip->reg_lock);
432 switch (cmd) {
433 case SNDRV_PCM_TRIGGER_START:
434 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
435 FM801_BUF2_LAST |
436 FM801_PAUSE);
437 chip->cap_ctrl |= FM801_START |
438 FM801_IMMED_STOP;
439 break;
440 case SNDRV_PCM_TRIGGER_STOP:
441 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
442 break;
443 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
444 case SNDRV_PCM_TRIGGER_SUSPEND:
445 chip->cap_ctrl |= FM801_PAUSE;
446 break;
447 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
448 case SNDRV_PCM_TRIGGER_RESUME:
449 chip->cap_ctrl &= ~FM801_PAUSE;
450 break;
451 default:
452 spin_unlock(&chip->reg_lock);
453 snd_BUG();
454 return -EINVAL;
455 }
456 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
457 spin_unlock(&chip->reg_lock);
458 return 0;
459 }
460
snd_fm801_playback_prepare(struct snd_pcm_substream * substream)461 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
462 {
463 struct fm801 *chip = snd_pcm_substream_chip(substream);
464 struct snd_pcm_runtime *runtime = substream->runtime;
465
466 chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
467 chip->ply_count = snd_pcm_lib_period_bytes(substream);
468 spin_lock_irq(&chip->reg_lock);
469 chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
470 FM801_STEREO | FM801_RATE_MASK |
471 FM801_CHANNELS_MASK);
472 if (snd_pcm_format_width(runtime->format) == 16)
473 chip->ply_ctrl |= FM801_16BIT;
474 if (runtime->channels > 1) {
475 chip->ply_ctrl |= FM801_STEREO;
476 if (runtime->channels == 4)
477 chip->ply_ctrl |= FM801_CHANNELS_4;
478 else if (runtime->channels == 6)
479 chip->ply_ctrl |= FM801_CHANNELS_6;
480 }
481 chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
482 chip->ply_buf = 0;
483 fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
484 fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
485 chip->ply_buffer = runtime->dma_addr;
486 chip->ply_pos = 0;
487 fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
488 fm801_writel(chip, PLY_BUF2,
489 chip->ply_buffer + (chip->ply_count % chip->ply_size));
490 spin_unlock_irq(&chip->reg_lock);
491 return 0;
492 }
493
snd_fm801_capture_prepare(struct snd_pcm_substream * substream)494 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
495 {
496 struct fm801 *chip = snd_pcm_substream_chip(substream);
497 struct snd_pcm_runtime *runtime = substream->runtime;
498
499 chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
500 chip->cap_count = snd_pcm_lib_period_bytes(substream);
501 spin_lock_irq(&chip->reg_lock);
502 chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
503 FM801_STEREO | FM801_RATE_MASK);
504 if (snd_pcm_format_width(runtime->format) == 16)
505 chip->cap_ctrl |= FM801_16BIT;
506 if (runtime->channels > 1)
507 chip->cap_ctrl |= FM801_STEREO;
508 chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
509 chip->cap_buf = 0;
510 fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
511 fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
512 chip->cap_buffer = runtime->dma_addr;
513 chip->cap_pos = 0;
514 fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
515 fm801_writel(chip, CAP_BUF2,
516 chip->cap_buffer + (chip->cap_count % chip->cap_size));
517 spin_unlock_irq(&chip->reg_lock);
518 return 0;
519 }
520
snd_fm801_playback_pointer(struct snd_pcm_substream * substream)521 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
522 {
523 struct fm801 *chip = snd_pcm_substream_chip(substream);
524 size_t ptr;
525
526 if (!(chip->ply_ctrl & FM801_START))
527 return 0;
528 spin_lock(&chip->reg_lock);
529 ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
530 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
531 ptr += chip->ply_count;
532 ptr %= chip->ply_size;
533 }
534 spin_unlock(&chip->reg_lock);
535 return bytes_to_frames(substream->runtime, ptr);
536 }
537
snd_fm801_capture_pointer(struct snd_pcm_substream * substream)538 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
539 {
540 struct fm801 *chip = snd_pcm_substream_chip(substream);
541 size_t ptr;
542
543 if (!(chip->cap_ctrl & FM801_START))
544 return 0;
545 spin_lock(&chip->reg_lock);
546 ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
547 if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
548 ptr += chip->cap_count;
549 ptr %= chip->cap_size;
550 }
551 spin_unlock(&chip->reg_lock);
552 return bytes_to_frames(substream->runtime, ptr);
553 }
554
snd_fm801_interrupt(int irq,void * dev_id)555 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
556 {
557 struct fm801 *chip = dev_id;
558 unsigned short status;
559 unsigned int tmp;
560
561 status = fm801_readw(chip, IRQ_STATUS);
562 status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
563 if (! status)
564 return IRQ_NONE;
565 /* ack first */
566 fm801_writew(chip, IRQ_STATUS, status);
567 if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
568 spin_lock(&chip->reg_lock);
569 chip->ply_buf++;
570 chip->ply_pos += chip->ply_count;
571 chip->ply_pos %= chip->ply_size;
572 tmp = chip->ply_pos + chip->ply_count;
573 tmp %= chip->ply_size;
574 if (chip->ply_buf & 1)
575 fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
576 else
577 fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
578 spin_unlock(&chip->reg_lock);
579 snd_pcm_period_elapsed(chip->playback_substream);
580 }
581 if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
582 spin_lock(&chip->reg_lock);
583 chip->cap_buf++;
584 chip->cap_pos += chip->cap_count;
585 chip->cap_pos %= chip->cap_size;
586 tmp = chip->cap_pos + chip->cap_count;
587 tmp %= chip->cap_size;
588 if (chip->cap_buf & 1)
589 fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
590 else
591 fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
592 spin_unlock(&chip->reg_lock);
593 snd_pcm_period_elapsed(chip->capture_substream);
594 }
595 if (chip->rmidi && (status & FM801_IRQ_MPU))
596 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
597 if (status & FM801_IRQ_VOLUME) {
598 /* TODO */
599 }
600
601 return IRQ_HANDLED;
602 }
603
604 static const struct snd_pcm_hardware snd_fm801_playback =
605 {
606 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
607 SNDRV_PCM_INFO_BLOCK_TRANSFER |
608 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
609 SNDRV_PCM_INFO_MMAP_VALID),
610 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
611 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
612 .rate_min = 5500,
613 .rate_max = 48000,
614 .channels_min = 1,
615 .channels_max = 2,
616 .buffer_bytes_max = (128*1024),
617 .period_bytes_min = 64,
618 .period_bytes_max = (128*1024),
619 .periods_min = 1,
620 .periods_max = 1024,
621 .fifo_size = 0,
622 };
623
624 static const struct snd_pcm_hardware snd_fm801_capture =
625 {
626 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
627 SNDRV_PCM_INFO_BLOCK_TRANSFER |
628 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
629 SNDRV_PCM_INFO_MMAP_VALID),
630 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
631 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
632 .rate_min = 5500,
633 .rate_max = 48000,
634 .channels_min = 1,
635 .channels_max = 2,
636 .buffer_bytes_max = (128*1024),
637 .period_bytes_min = 64,
638 .period_bytes_max = (128*1024),
639 .periods_min = 1,
640 .periods_max = 1024,
641 .fifo_size = 0,
642 };
643
snd_fm801_playback_open(struct snd_pcm_substream * substream)644 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
645 {
646 struct fm801 *chip = snd_pcm_substream_chip(substream);
647 struct snd_pcm_runtime *runtime = substream->runtime;
648 int err;
649
650 chip->playback_substream = substream;
651 runtime->hw = snd_fm801_playback;
652 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
653 &hw_constraints_rates);
654 if (chip->multichannel) {
655 runtime->hw.channels_max = 6;
656 snd_pcm_hw_constraint_list(runtime, 0,
657 SNDRV_PCM_HW_PARAM_CHANNELS,
658 &hw_constraints_channels);
659 }
660 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
661 if (err < 0)
662 return err;
663 return 0;
664 }
665
snd_fm801_capture_open(struct snd_pcm_substream * substream)666 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
667 {
668 struct fm801 *chip = snd_pcm_substream_chip(substream);
669 struct snd_pcm_runtime *runtime = substream->runtime;
670 int err;
671
672 chip->capture_substream = substream;
673 runtime->hw = snd_fm801_capture;
674 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
675 &hw_constraints_rates);
676 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
677 if (err < 0)
678 return err;
679 return 0;
680 }
681
snd_fm801_playback_close(struct snd_pcm_substream * substream)682 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
683 {
684 struct fm801 *chip = snd_pcm_substream_chip(substream);
685
686 chip->playback_substream = NULL;
687 return 0;
688 }
689
snd_fm801_capture_close(struct snd_pcm_substream * substream)690 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
691 {
692 struct fm801 *chip = snd_pcm_substream_chip(substream);
693
694 chip->capture_substream = NULL;
695 return 0;
696 }
697
698 static const struct snd_pcm_ops snd_fm801_playback_ops = {
699 .open = snd_fm801_playback_open,
700 .close = snd_fm801_playback_close,
701 .prepare = snd_fm801_playback_prepare,
702 .trigger = snd_fm801_playback_trigger,
703 .pointer = snd_fm801_playback_pointer,
704 };
705
706 static const struct snd_pcm_ops snd_fm801_capture_ops = {
707 .open = snd_fm801_capture_open,
708 .close = snd_fm801_capture_close,
709 .prepare = snd_fm801_capture_prepare,
710 .trigger = snd_fm801_capture_trigger,
711 .pointer = snd_fm801_capture_pointer,
712 };
713
snd_fm801_pcm(struct fm801 * chip,int device)714 static int snd_fm801_pcm(struct fm801 *chip, int device)
715 {
716 struct pci_dev *pdev = to_pci_dev(chip->dev);
717 struct snd_pcm *pcm;
718 int err;
719
720 err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm);
721 if (err < 0)
722 return err;
723
724 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
725 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
726
727 pcm->private_data = chip;
728 pcm->info_flags = 0;
729 strcpy(pcm->name, "FM801");
730 chip->pcm = pcm;
731
732 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
733 chip->multichannel ? 128*1024 : 64*1024, 128*1024);
734
735 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
736 snd_pcm_alt_chmaps,
737 chip->multichannel ? 6 : 2, 0,
738 NULL);
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 const 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
snd_fm801_tea575x_set_pins(struct snd_tea575x * tea,u8 pins)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
snd_fm801_tea575x_get_pins(struct snd_tea575x * tea)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
snd_fm801_tea575x_set_direction(struct snd_tea575x * tea,bool output)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 const 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
snd_fm801_info_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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
snd_fm801_get_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 long *value = ucontrol->value.integer.value;
869
870 value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
871 if (invert)
872 value[0] = mask - value[0];
873 return 0;
874 }
875
snd_fm801_put_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)876 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
877 struct snd_ctl_elem_value *ucontrol)
878 {
879 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
880 int reg = kcontrol->private_value & 0xff;
881 int shift = (kcontrol->private_value >> 8) & 0xff;
882 int mask = (kcontrol->private_value >> 16) & 0xff;
883 int invert = (kcontrol->private_value >> 24) & 0xff;
884 unsigned short val;
885
886 val = (ucontrol->value.integer.value[0] & mask);
887 if (invert)
888 val = mask - val;
889 return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
890 }
891
892 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
893 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
894 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
895 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
896 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
897 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
898 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
899 .name = xname, .info = snd_fm801_info_double, \
900 .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
901 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
902 .tlv = { .p = (xtlv) } }
903
snd_fm801_info_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)904 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
905 struct snd_ctl_elem_info *uinfo)
906 {
907 int mask = (kcontrol->private_value >> 16) & 0xff;
908
909 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
910 uinfo->count = 2;
911 uinfo->value.integer.min = 0;
912 uinfo->value.integer.max = mask;
913 return 0;
914 }
915
snd_fm801_get_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)916 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
917 struct snd_ctl_elem_value *ucontrol)
918 {
919 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
920 int reg = kcontrol->private_value & 0xff;
921 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
922 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
923 int mask = (kcontrol->private_value >> 16) & 0xff;
924 int invert = (kcontrol->private_value >> 24) & 0xff;
925 long *value = ucontrol->value.integer.value;
926
927 spin_lock_irq(&chip->reg_lock);
928 value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
929 value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
930 spin_unlock_irq(&chip->reg_lock);
931 if (invert) {
932 value[0] = mask - value[0];
933 value[1] = mask - value[1];
934 }
935 return 0;
936 }
937
snd_fm801_put_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)938 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
939 struct snd_ctl_elem_value *ucontrol)
940 {
941 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
942 int reg = kcontrol->private_value & 0xff;
943 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
944 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
945 int mask = (kcontrol->private_value >> 16) & 0xff;
946 int invert = (kcontrol->private_value >> 24) & 0xff;
947 unsigned short val1, val2;
948
949 val1 = ucontrol->value.integer.value[0] & mask;
950 val2 = ucontrol->value.integer.value[1] & mask;
951 if (invert) {
952 val1 = mask - val1;
953 val2 = mask - val2;
954 }
955 return snd_fm801_update_bits(chip, reg,
956 (mask << shift_left) | (mask << shift_right),
957 (val1 << shift_left ) | (val2 << shift_right));
958 }
959
snd_fm801_info_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)960 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
961 struct snd_ctl_elem_info *uinfo)
962 {
963 static const char * const texts[5] = {
964 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
965 };
966
967 return snd_ctl_enum_info(uinfo, 1, 5, texts);
968 }
969
snd_fm801_get_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)970 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
971 struct snd_ctl_elem_value *ucontrol)
972 {
973 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
974 unsigned short val;
975
976 val = fm801_readw(chip, REC_SRC) & 7;
977 if (val > 4)
978 val = 4;
979 ucontrol->value.enumerated.item[0] = val;
980 return 0;
981 }
982
snd_fm801_put_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)983 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
984 struct snd_ctl_elem_value *ucontrol)
985 {
986 struct fm801 *chip = snd_kcontrol_chip(kcontrol);
987 unsigned short val;
988
989 val = ucontrol->value.enumerated.item[0];
990 if (val > 4)
991 return -EINVAL;
992 return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
993 }
994
995 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
996
997 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
998
999 static const struct snd_kcontrol_new snd_fm801_controls[] = {
1000 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1001 db_scale_dsp),
1002 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1003 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1004 db_scale_dsp),
1005 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1006 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1007 db_scale_dsp),
1008 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1009 {
1010 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1011 .name = "Digital Capture Source",
1012 .info = snd_fm801_info_mux,
1013 .get = snd_fm801_get_mux,
1014 .put = snd_fm801_put_mux,
1015 }
1016 };
1017
1018 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1019
1020 static const struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1021 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1022 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1023 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1024 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1025 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1027 };
1028
snd_fm801_mixer(struct fm801 * chip)1029 static int snd_fm801_mixer(struct fm801 *chip)
1030 {
1031 struct snd_ac97_template ac97;
1032 unsigned int i;
1033 int err;
1034 static const struct snd_ac97_bus_ops ops = {
1035 .write = snd_fm801_codec_write,
1036 .read = snd_fm801_codec_read,
1037 };
1038
1039 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
1040 if (err < 0)
1041 return err;
1042
1043 memset(&ac97, 0, sizeof(ac97));
1044 ac97.private_data = chip;
1045 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
1046 if (err < 0)
1047 return err;
1048 if (chip->secondary) {
1049 ac97.num = 1;
1050 ac97.addr = chip->secondary_addr;
1051 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec);
1052 if (err < 0)
1053 return err;
1054 }
1055 for (i = 0; i < FM801_CONTROLS; i++) {
1056 err = snd_ctl_add(chip->card,
1057 snd_ctl_new1(&snd_fm801_controls[i], chip));
1058 if (err < 0)
1059 return err;
1060 }
1061 if (chip->multichannel) {
1062 for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
1063 err = snd_ctl_add(chip->card,
1064 snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1065 if (err < 0)
1066 return err;
1067 }
1068 }
1069 return 0;
1070 }
1071
1072 /*
1073 * initialization routines
1074 */
1075
wait_for_codec(struct fm801 * chip,unsigned int codec_id,unsigned short reg,unsigned long waits)1076 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1077 unsigned short reg, unsigned long waits)
1078 {
1079 unsigned long timeout = jiffies + waits;
1080
1081 fm801_writew(chip, AC97_CMD,
1082 reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1083 udelay(5);
1084 do {
1085 if ((fm801_readw(chip, AC97_CMD) &
1086 (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1087 return 0;
1088 schedule_timeout_uninterruptible(1);
1089 } while (time_after(timeout, jiffies));
1090 return -EIO;
1091 }
1092
reset_codec(struct fm801 * chip)1093 static int reset_codec(struct fm801 *chip)
1094 {
1095 /* codec cold reset + AC'97 warm reset */
1096 fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1097 fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1098 udelay(100);
1099 fm801_writew(chip, CODEC_CTRL, 0);
1100
1101 return wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750));
1102 }
1103
snd_fm801_chip_multichannel_init(struct fm801 * chip)1104 static void snd_fm801_chip_multichannel_init(struct fm801 *chip)
1105 {
1106 unsigned short cmdw;
1107
1108 if (chip->multichannel) {
1109 if (chip->secondary_addr) {
1110 wait_for_codec(chip, chip->secondary_addr,
1111 AC97_VENDOR_ID1, msecs_to_jiffies(50));
1112 } else {
1113 /* my card has the secondary codec */
1114 /* at address #3, so the loop is inverted */
1115 int i;
1116 for (i = 3; i > 0; i--) {
1117 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1118 msecs_to_jiffies(50))) {
1119 cmdw = fm801_readw(chip, AC97_DATA);
1120 if (cmdw != 0xffff && cmdw != 0) {
1121 chip->secondary = 1;
1122 chip->secondary_addr = i;
1123 break;
1124 }
1125 }
1126 }
1127 }
1128
1129 /* the recovery phase, it seems that probing for non-existing codec might */
1130 /* cause timeout problems */
1131 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1132 }
1133 }
1134
snd_fm801_chip_init(struct fm801 * chip)1135 static void snd_fm801_chip_init(struct fm801 *chip)
1136 {
1137 unsigned short cmdw;
1138
1139 /* init volume */
1140 fm801_writew(chip, PCM_VOL, 0x0808);
1141 fm801_writew(chip, FM_VOL, 0x9f1f);
1142 fm801_writew(chip, I2S_VOL, 0x8808);
1143
1144 /* I2S control - I2S mode */
1145 fm801_writew(chip, I2S_MODE, 0x0003);
1146
1147 /* interrupt setup */
1148 cmdw = fm801_readw(chip, IRQ_MASK);
1149 if (chip->irq < 0)
1150 cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
1151 else
1152 cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
1153 fm801_writew(chip, IRQ_MASK, cmdw);
1154
1155 /* interrupt clear */
1156 fm801_writew(chip, IRQ_STATUS,
1157 FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1158 }
1159
snd_fm801_free(struct snd_card * card)1160 static void snd_fm801_free(struct snd_card *card)
1161 {
1162 struct fm801 *chip = card->private_data;
1163 unsigned short cmdw;
1164
1165 /* interrupt setup - mask everything */
1166 cmdw = fm801_readw(chip, IRQ_MASK);
1167 cmdw |= 0x00c3;
1168 fm801_writew(chip, IRQ_MASK, cmdw);
1169
1170 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1171 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1172 snd_tea575x_exit(&chip->tea);
1173 v4l2_device_unregister(&chip->v4l2_dev);
1174 }
1175 #endif
1176 }
1177
snd_fm801_create(struct snd_card * card,struct pci_dev * pci,int tea575x_tuner,int radio_nr)1178 static int snd_fm801_create(struct snd_card *card,
1179 struct pci_dev *pci,
1180 int tea575x_tuner,
1181 int radio_nr)
1182 {
1183 struct fm801 *chip = card->private_data;
1184 int err;
1185
1186 err = pcim_enable_device(pci);
1187 if (err < 0)
1188 return err;
1189 spin_lock_init(&chip->reg_lock);
1190 chip->card = card;
1191 chip->dev = &pci->dev;
1192 chip->irq = -1;
1193 chip->tea575x_tuner = tea575x_tuner;
1194 err = pci_request_regions(pci, "FM801");
1195 if (err < 0)
1196 return err;
1197 chip->port = pci_resource_start(pci, 0);
1198
1199 if (pci->revision >= 0xb1) /* FM801-AU */
1200 chip->multichannel = 1;
1201
1202 if (!(chip->tea575x_tuner & TUNER_ONLY)) {
1203 if (reset_codec(chip) < 0) {
1204 dev_info(chip->card->dev,
1205 "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1206 chip->tea575x_tuner = 3 | TUNER_ONLY;
1207 } else {
1208 snd_fm801_chip_multichannel_init(chip);
1209 }
1210 }
1211
1212 if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
1213 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1214 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1215 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1216 return -EBUSY;
1217 }
1218 chip->irq = pci->irq;
1219 card->sync_irq = chip->irq;
1220 pci_set_master(pci);
1221 }
1222
1223 card->private_free = snd_fm801_free;
1224 snd_fm801_chip_init(chip);
1225
1226 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1227 err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1228 if (err < 0)
1229 return err;
1230 chip->tea.v4l2_dev = &chip->v4l2_dev;
1231 chip->tea.radio_nr = radio_nr;
1232 chip->tea.private_data = chip;
1233 chip->tea.ops = &snd_fm801_tea_ops;
1234 sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1235 if ((chip->tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1236 (chip->tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1237 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1238 dev_err(card->dev, "TEA575x radio not found\n");
1239 return -ENODEV;
1240 }
1241 } else if ((chip->tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1242 unsigned int tuner_only = chip->tea575x_tuner & TUNER_ONLY;
1243
1244 /* autodetect tuner connection */
1245 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1246 chip->tea575x_tuner = tea575x_tuner;
1247 if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1248 dev_info(card->dev,
1249 "detected TEA575x radio type %s\n",
1250 get_tea575x_gpio(chip)->name);
1251 break;
1252 }
1253 }
1254 if (tea575x_tuner == 4) {
1255 dev_err(card->dev, "TEA575x radio not found\n");
1256 chip->tea575x_tuner = TUNER_DISABLED;
1257 }
1258
1259 chip->tea575x_tuner |= tuner_only;
1260 }
1261 if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1262 strscpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1263 sizeof(chip->tea.card));
1264 }
1265 #endif
1266 return 0;
1267 }
1268
__snd_card_fm801_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1269 static int __snd_card_fm801_probe(struct pci_dev *pci,
1270 const struct pci_device_id *pci_id)
1271 {
1272 static int dev;
1273 struct snd_card *card;
1274 struct fm801 *chip;
1275 struct snd_opl3 *opl3;
1276 int err;
1277
1278 if (dev >= SNDRV_CARDS)
1279 return -ENODEV;
1280 if (!enable[dev]) {
1281 dev++;
1282 return -ENOENT;
1283 }
1284
1285 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1286 sizeof(*chip), &card);
1287 if (err < 0)
1288 return err;
1289 chip = card->private_data;
1290 err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev]);
1291 if (err < 0)
1292 return err;
1293
1294 strcpy(card->driver, "FM801");
1295 strcpy(card->shortname, "ForteMedia FM801-");
1296 strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1297 sprintf(card->longname, "%s at 0x%lx, irq %i",
1298 card->shortname, chip->port, chip->irq);
1299
1300 if (chip->tea575x_tuner & TUNER_ONLY)
1301 goto __fm801_tuner_only;
1302
1303 err = snd_fm801_pcm(chip, 0);
1304 if (err < 0)
1305 return err;
1306 err = snd_fm801_mixer(chip);
1307 if (err < 0)
1308 return err;
1309 err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1310 chip->port + FM801_MPU401_DATA,
1311 MPU401_INFO_INTEGRATED |
1312 MPU401_INFO_IRQ_HOOK,
1313 -1, &chip->rmidi);
1314 if (err < 0)
1315 return err;
1316 err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1317 chip->port + FM801_OPL3_BANK1,
1318 OPL3_HW_OPL3_FM801, 1, &opl3);
1319 if (err < 0)
1320 return err;
1321 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
1322 if (err < 0)
1323 return err;
1324
1325 __fm801_tuner_only:
1326 err = snd_card_register(card);
1327 if (err < 0)
1328 return err;
1329 pci_set_drvdata(pci, card);
1330 dev++;
1331 return 0;
1332 }
1333
snd_card_fm801_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1334 static int snd_card_fm801_probe(struct pci_dev *pci,
1335 const struct pci_device_id *pci_id)
1336 {
1337 return snd_card_free_on_error(&pci->dev, __snd_card_fm801_probe(pci, pci_id));
1338 }
1339
1340 static const unsigned char saved_regs[] = {
1341 FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1342 FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1343 FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1344 FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1345 };
1346
snd_fm801_suspend(struct device * dev)1347 static int snd_fm801_suspend(struct device *dev)
1348 {
1349 struct snd_card *card = dev_get_drvdata(dev);
1350 struct fm801 *chip = card->private_data;
1351 int i;
1352
1353 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1354
1355 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1356 chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);
1357
1358 if (chip->tea575x_tuner & TUNER_ONLY) {
1359 /* FIXME: tea575x suspend */
1360 } else {
1361 snd_ac97_suspend(chip->ac97);
1362 snd_ac97_suspend(chip->ac97_sec);
1363 }
1364
1365 return 0;
1366 }
1367
snd_fm801_resume(struct device * dev)1368 static int snd_fm801_resume(struct device *dev)
1369 {
1370 struct snd_card *card = dev_get_drvdata(dev);
1371 struct fm801 *chip = card->private_data;
1372 int i;
1373
1374 if (chip->tea575x_tuner & TUNER_ONLY) {
1375 snd_fm801_chip_init(chip);
1376 } else {
1377 reset_codec(chip);
1378 snd_fm801_chip_multichannel_init(chip);
1379 snd_fm801_chip_init(chip);
1380 snd_ac97_resume(chip->ac97);
1381 snd_ac97_resume(chip->ac97_sec);
1382 }
1383
1384 for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1385 fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
1386
1387 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1388 if (!(chip->tea575x_tuner & TUNER_DISABLED))
1389 snd_tea575x_set_freq(&chip->tea);
1390 #endif
1391
1392 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1393 return 0;
1394 }
1395
1396 static DEFINE_SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1397
1398 static struct pci_driver fm801_driver = {
1399 .name = KBUILD_MODNAME,
1400 .id_table = snd_fm801_ids,
1401 .probe = snd_card_fm801_probe,
1402 .driver = {
1403 .pm = &snd_fm801_pm,
1404 },
1405 };
1406
1407 module_pci_driver(fm801_driver);
1408