Version:  2.0.40 2.2.26 2.4.37 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1

Linux/sound/pci/fm801.c

  1 /*
  2  *  The driver for the ForteMedia FM801 based soundcards
  3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  4  *
  5  *   This program is free software; you can redistribute it and/or modify
  6  *   it under the terms of the GNU General Public License as published by
  7  *   the Free Software Foundation; either version 2 of the License, or
  8  *   (at your option) any later version.
  9  *
 10  *   This program is distributed in the hope that it will be useful,
 11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  *   GNU General Public License for more details.
 14  *
 15  */
 16 
 17 #include <linux/delay.h>
 18 #include <linux/init.h>
 19 #include <linux/interrupt.h>
 20 #include <linux/io.h>
 21 #include <linux/pci.h>
 22 #include <linux/slab.h>
 23 #include <linux/module.h>
 24 #include <sound/core.h>
 25 #include <sound/pcm.h>
 26 #include <sound/tlv.h>
 27 #include <sound/ac97_codec.h>
 28 #include <sound/mpu401.h>
 29 #include <sound/opl3.h>
 30 #include <sound/initval.h>
 31 
 32 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 33 #include <media/tea575x.h>
 34 #endif
 35 
 36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 37 MODULE_DESCRIPTION("ForteMedia FM801");
 38 MODULE_LICENSE("GPL");
 39 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
 40                 "{Genius,SoundMaker Live 5.1}}");
 41 
 42 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 43 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 44 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
 45 /*
 46  *  Enable TEA575x tuner
 47  *    1 = MediaForte 256-PCS
 48  *    2 = MediaForte 256-PCP
 49  *    3 = MediaForte 64-PCR
 50  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
 51  *  High 16-bits are video (radio) device number + 1
 52  */
 53 static int tea575x_tuner[SNDRV_CARDS];
 54 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
 55 
 56 module_param_array(index, int, NULL, 0444);
 57 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
 58 module_param_array(id, charp, NULL, 0444);
 59 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
 60 module_param_array(enable, bool, NULL, 0444);
 61 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
 62 module_param_array(tea575x_tuner, int, NULL, 0444);
 63 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).");
 64 module_param_array(radio_nr, int, NULL, 0444);
 65 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
 66 
 67 
 68 #define TUNER_DISABLED          (1<<3)
 69 #define TUNER_ONLY              (1<<4)
 70 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
 71 
 72 /*
 73  *  Direct registers
 74  */
 75 
 76 #define fm801_writew(chip,reg,value)    outw((value), chip->port + FM801_##reg)
 77 #define fm801_readw(chip,reg)           inw(chip->port + FM801_##reg)
 78 
 79 #define fm801_writel(chip,reg,value)    outl((value), 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  * struct fm801 - describes FM801 chip
157  * @port:               I/O port number
158  * @multichannel:       multichannel support
159  * @secondary:          secondary codec
160  * @secondary_addr:     address of the secondary codec
161  * @tea575x_tuner:      tuner access method & flags
162  * @ply_ctrl:           playback control
163  * @cap_ctrl:           capture control
164  */
165 struct fm801 {
166         int irq;
167 
168         unsigned long port;
169         unsigned int multichannel: 1,
170                      secondary: 1;
171         unsigned char secondary_addr;
172         unsigned int tea575x_tuner;
173 
174         unsigned short ply_ctrl;
175         unsigned short cap_ctrl;
176 
177         unsigned long ply_buffer;
178         unsigned int ply_buf;
179         unsigned int ply_count;
180         unsigned int ply_size;
181         unsigned int ply_pos;
182 
183         unsigned long cap_buffer;
184         unsigned int cap_buf;
185         unsigned int cap_count;
186         unsigned int cap_size;
187         unsigned int cap_pos;
188 
189         struct snd_ac97_bus *ac97_bus;
190         struct snd_ac97 *ac97;
191         struct snd_ac97 *ac97_sec;
192 
193         struct pci_dev *pci;
194         struct snd_card *card;
195         struct snd_pcm *pcm;
196         struct snd_rawmidi *rmidi;
197         struct snd_pcm_substream *playback_substream;
198         struct snd_pcm_substream *capture_substream;
199         unsigned int p_dma_size;
200         unsigned int c_dma_size;
201 
202         spinlock_t reg_lock;
203         struct snd_info_entry *proc_entry;
204 
205 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
206         struct v4l2_device v4l2_dev;
207         struct snd_tea575x tea;
208 #endif
209 
210 #ifdef CONFIG_PM_SLEEP
211         u16 saved_regs[0x20];
212 #endif
213 };
214 
215 static const struct pci_device_id snd_fm801_ids[] = {
216         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
217         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
218         { 0, }
219 };
220 
221 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
222 
223 /*
224  *  common I/O routines
225  */
226 
227 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
228 {
229         unsigned int idx;
230 
231         for (idx = 0; idx < iterations; idx++) {
232                 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
233                         return true;
234                 udelay(10);
235         }
236         return false;
237 }
238 
239 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
240 {
241         unsigned int idx;
242 
243         for (idx = 0; idx < iterations; idx++) {
244                 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
245                         return true;
246                 udelay(10);
247         }
248         return false;
249 }
250 
251 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
252                                  unsigned short mask, unsigned short value)
253 {
254         int change;
255         unsigned long flags;
256         unsigned short old, new;
257 
258         spin_lock_irqsave(&chip->reg_lock, flags);
259         old = inw(chip->port + reg);
260         new = (old & ~mask) | value;
261         change = old != new;
262         if (change)
263                 outw(new, chip->port + reg);
264         spin_unlock_irqrestore(&chip->reg_lock, flags);
265         return change;
266 }
267 
268 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
269                                   unsigned short reg,
270                                   unsigned short val)
271 {
272         struct fm801 *chip = ac97->private_data;
273 
274         /*
275          *  Wait until the codec interface is not ready..
276          */
277         if (!fm801_ac97_is_ready(chip, 100)) {
278                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
279                 return;
280         }
281 
282         /* write data and address */
283         fm801_writew(chip, AC97_DATA, val);
284         fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
285         /*
286          *  Wait until the write command is not completed..
287          */
288         if (!fm801_ac97_is_ready(chip, 1000))
289                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
290                 ac97->num);
291 }
292 
293 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
294 {
295         struct fm801 *chip = ac97->private_data;
296 
297         /*
298          *  Wait until the codec interface is not ready..
299          */
300         if (!fm801_ac97_is_ready(chip, 100)) {
301                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
302                 return 0;
303         }
304 
305         /* read command */
306         fm801_writew(chip, AC97_CMD,
307                      reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
308         if (!fm801_ac97_is_ready(chip, 100)) {
309                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
310                         ac97->num);
311                 return 0;
312         }
313 
314         if (!fm801_ac97_is_valid(chip, 1000)) {
315                 dev_err(chip->card->dev,
316                         "AC'97 interface #%d is not valid (2)\n", ac97->num);
317                 return 0;
318         }
319 
320         return fm801_readw(chip, AC97_DATA);
321 }
322 
323 static unsigned int rates[] = {
324   5500,  8000,  9600, 11025,
325   16000, 19200, 22050, 32000,
326   38400, 44100, 48000
327 };
328 
329 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
330         .count = ARRAY_SIZE(rates),
331         .list = rates,
332         .mask = 0,
333 };
334 
335 static unsigned int channels[] = {
336   2, 4, 6
337 };
338 
339 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
340         .count = ARRAY_SIZE(channels),
341         .list = channels,
342         .mask = 0,
343 };
344 
345 /*
346  *  Sample rate routines
347  */
348 
349 static unsigned short snd_fm801_rate_bits(unsigned int rate)
350 {
351         unsigned int idx;
352 
353         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
354                 if (rates[idx] == rate)
355                         return idx;
356         snd_BUG();
357         return ARRAY_SIZE(rates) - 1;
358 }
359 
360 /*
361  *  PCM part
362  */
363 
364 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
365                                       int cmd)
366 {
367         struct fm801 *chip = snd_pcm_substream_chip(substream);
368 
369         spin_lock(&chip->reg_lock);
370         switch (cmd) {
371         case SNDRV_PCM_TRIGGER_START:
372                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
373                                      FM801_BUF2_LAST |
374                                      FM801_PAUSE);
375                 chip->ply_ctrl |= FM801_START |
376                                    FM801_IMMED_STOP;
377                 break;
378         case SNDRV_PCM_TRIGGER_STOP:
379                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
380                 break;
381         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
382         case SNDRV_PCM_TRIGGER_SUSPEND:
383                 chip->ply_ctrl |= FM801_PAUSE;
384                 break;
385         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
386         case SNDRV_PCM_TRIGGER_RESUME:
387                 chip->ply_ctrl &= ~FM801_PAUSE;
388                 break;
389         default:
390                 spin_unlock(&chip->reg_lock);
391                 snd_BUG();
392                 return -EINVAL;
393         }
394         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
395         spin_unlock(&chip->reg_lock);
396         return 0;
397 }
398 
399 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
400                                      int cmd)
401 {
402         struct fm801 *chip = snd_pcm_substream_chip(substream);
403 
404         spin_lock(&chip->reg_lock);
405         switch (cmd) {
406         case SNDRV_PCM_TRIGGER_START:
407                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
408                                      FM801_BUF2_LAST |
409                                      FM801_PAUSE);
410                 chip->cap_ctrl |= FM801_START |
411                                    FM801_IMMED_STOP;
412                 break;
413         case SNDRV_PCM_TRIGGER_STOP:
414                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
415                 break;
416         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
417         case SNDRV_PCM_TRIGGER_SUSPEND:
418                 chip->cap_ctrl |= FM801_PAUSE;
419                 break;
420         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
421         case SNDRV_PCM_TRIGGER_RESUME:
422                 chip->cap_ctrl &= ~FM801_PAUSE;
423                 break;
424         default:
425                 spin_unlock(&chip->reg_lock);
426                 snd_BUG();
427                 return -EINVAL;
428         }
429         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
430         spin_unlock(&chip->reg_lock);
431         return 0;
432 }
433 
434 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
435                                struct snd_pcm_hw_params *hw_params)
436 {
437         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
438 }
439 
440 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
441 {
442         return snd_pcm_lib_free_pages(substream);
443 }
444 
445 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
446 {
447         struct fm801 *chip = snd_pcm_substream_chip(substream);
448         struct snd_pcm_runtime *runtime = substream->runtime;
449 
450         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
451         chip->ply_count = snd_pcm_lib_period_bytes(substream);
452         spin_lock_irq(&chip->reg_lock);
453         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
454                              FM801_STEREO | FM801_RATE_MASK |
455                              FM801_CHANNELS_MASK);
456         if (snd_pcm_format_width(runtime->format) == 16)
457                 chip->ply_ctrl |= FM801_16BIT;
458         if (runtime->channels > 1) {
459                 chip->ply_ctrl |= FM801_STEREO;
460                 if (runtime->channels == 4)
461                         chip->ply_ctrl |= FM801_CHANNELS_4;
462                 else if (runtime->channels == 6)
463                         chip->ply_ctrl |= FM801_CHANNELS_6;
464         }
465         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
466         chip->ply_buf = 0;
467         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
468         fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
469         chip->ply_buffer = runtime->dma_addr;
470         chip->ply_pos = 0;
471         fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
472         fm801_writel(chip, PLY_BUF2,
473                      chip->ply_buffer + (chip->ply_count % chip->ply_size));
474         spin_unlock_irq(&chip->reg_lock);
475         return 0;
476 }
477 
478 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
479 {
480         struct fm801 *chip = snd_pcm_substream_chip(substream);
481         struct snd_pcm_runtime *runtime = substream->runtime;
482 
483         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
484         chip->cap_count = snd_pcm_lib_period_bytes(substream);
485         spin_lock_irq(&chip->reg_lock);
486         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
487                              FM801_STEREO | FM801_RATE_MASK);
488         if (snd_pcm_format_width(runtime->format) == 16)
489                 chip->cap_ctrl |= FM801_16BIT;
490         if (runtime->channels > 1)
491                 chip->cap_ctrl |= FM801_STEREO;
492         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
493         chip->cap_buf = 0;
494         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
495         fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
496         chip->cap_buffer = runtime->dma_addr;
497         chip->cap_pos = 0;
498         fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
499         fm801_writel(chip, CAP_BUF2,
500                      chip->cap_buffer + (chip->cap_count % chip->cap_size));
501         spin_unlock_irq(&chip->reg_lock);
502         return 0;
503 }
504 
505 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
506 {
507         struct fm801 *chip = snd_pcm_substream_chip(substream);
508         size_t ptr;
509 
510         if (!(chip->ply_ctrl & FM801_START))
511                 return 0;
512         spin_lock(&chip->reg_lock);
513         ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
514         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
515                 ptr += chip->ply_count;
516                 ptr %= chip->ply_size;
517         }
518         spin_unlock(&chip->reg_lock);
519         return bytes_to_frames(substream->runtime, ptr);
520 }
521 
522 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
523 {
524         struct fm801 *chip = snd_pcm_substream_chip(substream);
525         size_t ptr;
526 
527         if (!(chip->cap_ctrl & FM801_START))
528                 return 0;
529         spin_lock(&chip->reg_lock);
530         ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
531         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
532                 ptr += chip->cap_count;
533                 ptr %= chip->cap_size;
534         }
535         spin_unlock(&chip->reg_lock);
536         return bytes_to_frames(substream->runtime, ptr);
537 }
538 
539 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
540 {
541         struct fm801 *chip = dev_id;
542         unsigned short status;
543         unsigned int tmp;
544 
545         status = fm801_readw(chip, IRQ_STATUS);
546         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
547         if (! status)
548                 return IRQ_NONE;
549         /* ack first */
550         fm801_writew(chip, IRQ_STATUS, status);
551         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
552                 spin_lock(&chip->reg_lock);
553                 chip->ply_buf++;
554                 chip->ply_pos += chip->ply_count;
555                 chip->ply_pos %= chip->ply_size;
556                 tmp = chip->ply_pos + chip->ply_count;
557                 tmp %= chip->ply_size;
558                 if (chip->ply_buf & 1)
559                         fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
560                 else
561                         fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
562                 spin_unlock(&chip->reg_lock);
563                 snd_pcm_period_elapsed(chip->playback_substream);
564         }
565         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
566                 spin_lock(&chip->reg_lock);
567                 chip->cap_buf++;
568                 chip->cap_pos += chip->cap_count;
569                 chip->cap_pos %= chip->cap_size;
570                 tmp = chip->cap_pos + chip->cap_count;
571                 tmp %= chip->cap_size;
572                 if (chip->cap_buf & 1)
573                         fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
574                 else
575                         fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
576                 spin_unlock(&chip->reg_lock);
577                 snd_pcm_period_elapsed(chip->capture_substream);
578         }
579         if (chip->rmidi && (status & FM801_IRQ_MPU))
580                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
581         if (status & FM801_IRQ_VOLUME)
582                 ;/* TODO */
583 
584         return IRQ_HANDLED;
585 }
586 
587 static struct snd_pcm_hardware snd_fm801_playback =
588 {
589         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
590                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
591                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
592                                  SNDRV_PCM_INFO_MMAP_VALID),
593         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
594         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
595         .rate_min =             5500,
596         .rate_max =             48000,
597         .channels_min =         1,
598         .channels_max =         2,
599         .buffer_bytes_max =     (128*1024),
600         .period_bytes_min =     64,
601         .period_bytes_max =     (128*1024),
602         .periods_min =          1,
603         .periods_max =          1024,
604         .fifo_size =            0,
605 };
606 
607 static struct snd_pcm_hardware snd_fm801_capture =
608 {
609         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
610                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
611                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
612                                  SNDRV_PCM_INFO_MMAP_VALID),
613         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
614         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
615         .rate_min =             5500,
616         .rate_max =             48000,
617         .channels_min =         1,
618         .channels_max =         2,
619         .buffer_bytes_max =     (128*1024),
620         .period_bytes_min =     64,
621         .period_bytes_max =     (128*1024),
622         .periods_min =          1,
623         .periods_max =          1024,
624         .fifo_size =            0,
625 };
626 
627 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
628 {
629         struct fm801 *chip = snd_pcm_substream_chip(substream);
630         struct snd_pcm_runtime *runtime = substream->runtime;
631         int err;
632 
633         chip->playback_substream = substream;
634         runtime->hw = snd_fm801_playback;
635         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
636                                    &hw_constraints_rates);
637         if (chip->multichannel) {
638                 runtime->hw.channels_max = 6;
639                 snd_pcm_hw_constraint_list(runtime, 0,
640                                            SNDRV_PCM_HW_PARAM_CHANNELS,
641                                            &hw_constraints_channels);
642         }
643         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
644                 return err;
645         return 0;
646 }
647 
648 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
649 {
650         struct fm801 *chip = snd_pcm_substream_chip(substream);
651         struct snd_pcm_runtime *runtime = substream->runtime;
652         int err;
653 
654         chip->capture_substream = substream;
655         runtime->hw = snd_fm801_capture;
656         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
657                                    &hw_constraints_rates);
658         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
659                 return err;
660         return 0;
661 }
662 
663 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
664 {
665         struct fm801 *chip = snd_pcm_substream_chip(substream);
666 
667         chip->playback_substream = NULL;
668         return 0;
669 }
670 
671 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
672 {
673         struct fm801 *chip = snd_pcm_substream_chip(substream);
674 
675         chip->capture_substream = NULL;
676         return 0;
677 }
678 
679 static struct snd_pcm_ops snd_fm801_playback_ops = {
680         .open =         snd_fm801_playback_open,
681         .close =        snd_fm801_playback_close,
682         .ioctl =        snd_pcm_lib_ioctl,
683         .hw_params =    snd_fm801_hw_params,
684         .hw_free =      snd_fm801_hw_free,
685         .prepare =      snd_fm801_playback_prepare,
686         .trigger =      snd_fm801_playback_trigger,
687         .pointer =      snd_fm801_playback_pointer,
688 };
689 
690 static struct snd_pcm_ops snd_fm801_capture_ops = {
691         .open =         snd_fm801_capture_open,
692         .close =        snd_fm801_capture_close,
693         .ioctl =        snd_pcm_lib_ioctl,
694         .hw_params =    snd_fm801_hw_params,
695         .hw_free =      snd_fm801_hw_free,
696         .prepare =      snd_fm801_capture_prepare,
697         .trigger =      snd_fm801_capture_trigger,
698         .pointer =      snd_fm801_capture_pointer,
699 };
700 
701 static int snd_fm801_pcm(struct fm801 *chip, int device)
702 {
703         struct snd_pcm *pcm;
704         int err;
705 
706         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
707                 return err;
708 
709         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
710         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
711 
712         pcm->private_data = chip;
713         pcm->info_flags = 0;
714         strcpy(pcm->name, "FM801");
715         chip->pcm = pcm;
716 
717         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
718                                               snd_dma_pci_data(chip->pci),
719                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
720 
721         return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
722                                      snd_pcm_alt_chmaps,
723                                      chip->multichannel ? 6 : 2, 0,
724                                      NULL);
725 }
726 
727 /*
728  *  TEA5757 radio
729  */
730 
731 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
732 
733 /* GPIO to TEA575x maps */
734 struct snd_fm801_tea575x_gpio {
735         u8 data, clk, wren, most;
736         char *name;
737 };
738 
739 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
740         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
741         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
742         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
743 };
744 
745 #define get_tea575x_gpio(chip) \
746         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
747 
748 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
749 {
750         struct fm801 *chip = tea->private_data;
751         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
752         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
753 
754         reg &= ~(FM801_GPIO_GP(gpio.data) |
755                  FM801_GPIO_GP(gpio.clk) |
756                  FM801_GPIO_GP(gpio.wren));
757 
758         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
759         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
760         /* WRITE_ENABLE is inverted */
761         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
762 
763         fm801_writew(chip, GPIO_CTRL, reg);
764 }
765 
766 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
767 {
768         struct fm801 *chip = tea->private_data;
769         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
770         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
771         u8 ret;
772 
773         ret = 0;
774         if (reg & FM801_GPIO_GP(gpio.data))
775                 ret |= TEA575X_DATA;
776         if (reg & FM801_GPIO_GP(gpio.most))
777                 ret |= TEA575X_MOST;
778         return ret;
779 }
780 
781 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
782 {
783         struct fm801 *chip = tea->private_data;
784         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
785         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
786 
787         /* use GPIO lines and set write enable bit */
788         reg |= FM801_GPIO_GS(gpio.data) |
789                FM801_GPIO_GS(gpio.wren) |
790                FM801_GPIO_GS(gpio.clk) |
791                FM801_GPIO_GS(gpio.most);
792         if (output) {
793                 /* all of lines are in the write direction */
794                 /* clear data and clock lines */
795                 reg &= ~(FM801_GPIO_GD(gpio.data) |
796                          FM801_GPIO_GD(gpio.wren) |
797                          FM801_GPIO_GD(gpio.clk) |
798                          FM801_GPIO_GP(gpio.data) |
799                          FM801_GPIO_GP(gpio.clk) |
800                          FM801_GPIO_GP(gpio.wren));
801         } else {
802                 /* use GPIO lines, set data direction to input */
803                 reg |= FM801_GPIO_GD(gpio.data) |
804                        FM801_GPIO_GD(gpio.most) |
805                        FM801_GPIO_GP(gpio.data) |
806                        FM801_GPIO_GP(gpio.most) |
807                        FM801_GPIO_GP(gpio.wren);
808                 /* all of lines are in the write direction, except data */
809                 /* clear data, write enable and clock lines */
810                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
811                          FM801_GPIO_GD(gpio.clk) |
812                          FM801_GPIO_GP(gpio.clk));
813         }
814 
815         fm801_writew(chip, GPIO_CTRL, reg);
816 }
817 
818 static struct snd_tea575x_ops snd_fm801_tea_ops = {
819         .set_pins = snd_fm801_tea575x_set_pins,
820         .get_pins = snd_fm801_tea575x_get_pins,
821         .set_direction = snd_fm801_tea575x_set_direction,
822 };
823 #endif
824 
825 /*
826  *  Mixer routines
827  */
828 
829 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
830 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
831   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
832   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
833 
834 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
835                                  struct snd_ctl_elem_info *uinfo)
836 {
837         int mask = (kcontrol->private_value >> 16) & 0xff;
838 
839         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
840         uinfo->count = 1;
841         uinfo->value.integer.min = 0;
842         uinfo->value.integer.max = mask;
843         return 0;
844 }
845 
846 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
847                                 struct snd_ctl_elem_value *ucontrol)
848 {
849         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
850         int reg = kcontrol->private_value & 0xff;
851         int shift = (kcontrol->private_value >> 8) & 0xff;
852         int mask = (kcontrol->private_value >> 16) & 0xff;
853         int invert = (kcontrol->private_value >> 24) & 0xff;
854 
855         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
856         if (invert)
857                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
858         return 0;
859 }
860 
861 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
862                                 struct snd_ctl_elem_value *ucontrol)
863 {
864         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
865         int reg = kcontrol->private_value & 0xff;
866         int shift = (kcontrol->private_value >> 8) & 0xff;
867         int mask = (kcontrol->private_value >> 16) & 0xff;
868         int invert = (kcontrol->private_value >> 24) & 0xff;
869         unsigned short val;
870 
871         val = (ucontrol->value.integer.value[0] & mask);
872         if (invert)
873                 val = mask - val;
874         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
875 }
876 
877 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
878 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
879   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
880   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
881 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
883   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
884   .name = xname, .info = snd_fm801_info_double, \
885   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
886   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
887   .tlv = { .p = (xtlv) } }
888 
889 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
890                                  struct snd_ctl_elem_info *uinfo)
891 {
892         int mask = (kcontrol->private_value >> 16) & 0xff;
893 
894         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
895         uinfo->count = 2;
896         uinfo->value.integer.min = 0;
897         uinfo->value.integer.max = mask;
898         return 0;
899 }
900 
901 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
902                                 struct snd_ctl_elem_value *ucontrol)
903 {
904         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
905         int reg = kcontrol->private_value & 0xff;
906         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
907         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
908         int mask = (kcontrol->private_value >> 16) & 0xff;
909         int invert = (kcontrol->private_value >> 24) & 0xff;
910 
911         spin_lock_irq(&chip->reg_lock);
912         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
913         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
914         spin_unlock_irq(&chip->reg_lock);
915         if (invert) {
916                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
917                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
918         }
919         return 0;
920 }
921 
922 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
923                                 struct snd_ctl_elem_value *ucontrol)
924 {
925         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
926         int reg = kcontrol->private_value & 0xff;
927         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
928         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
929         int mask = (kcontrol->private_value >> 16) & 0xff;
930         int invert = (kcontrol->private_value >> 24) & 0xff;
931         unsigned short val1, val2;
932  
933         val1 = ucontrol->value.integer.value[0] & mask;
934         val2 = ucontrol->value.integer.value[1] & mask;
935         if (invert) {
936                 val1 = mask - val1;
937                 val2 = mask - val2;
938         }
939         return snd_fm801_update_bits(chip, reg,
940                                      (mask << shift_left) | (mask << shift_right),
941                                      (val1 << shift_left ) | (val2 << shift_right));
942 }
943 
944 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
945                               struct snd_ctl_elem_info *uinfo)
946 {
947         static const char * const texts[5] = {
948                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
949         };
950  
951         return snd_ctl_enum_info(uinfo, 1, 5, texts);
952 }
953 
954 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
955                              struct snd_ctl_elem_value *ucontrol)
956 {
957         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
958         unsigned short val;
959  
960         val = fm801_readw(chip, REC_SRC) & 7;
961         if (val > 4)
962                 val = 4;
963         ucontrol->value.enumerated.item[0] = val;
964         return 0;
965 }
966 
967 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
968                              struct snd_ctl_elem_value *ucontrol)
969 {
970         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
971         unsigned short val;
972  
973         if ((val = ucontrol->value.enumerated.item[0]) > 4)
974                 return -EINVAL;
975         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
976 }
977 
978 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
979 
980 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
981 
982 static struct snd_kcontrol_new snd_fm801_controls[] = {
983 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
984                  db_scale_dsp),
985 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
986 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
987                  db_scale_dsp),
988 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
989 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
990                  db_scale_dsp),
991 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
992 {
993         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
994         .name = "Digital Capture Source",
995         .info = snd_fm801_info_mux,
996         .get = snd_fm801_get_mux,
997         .put = snd_fm801_put_mux,
998 }
999 };
1000 
1001 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1002 
1003 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1004 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1005 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1006 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1007 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1008 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1009 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1010 };
1011 
1012 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1013 {
1014         struct fm801 *chip = bus->private_data;
1015         chip->ac97_bus = NULL;
1016 }
1017 
1018 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1019 {
1020         struct fm801 *chip = ac97->private_data;
1021         if (ac97->num == 0) {
1022                 chip->ac97 = NULL;
1023         } else {
1024                 chip->ac97_sec = NULL;
1025         }
1026 }
1027 
1028 static int snd_fm801_mixer(struct fm801 *chip)
1029 {
1030         struct snd_ac97_template ac97;
1031         unsigned int i;
1032         int err;
1033         static struct snd_ac97_bus_ops ops = {
1034                 .write = snd_fm801_codec_write,
1035                 .read = snd_fm801_codec_read,
1036         };
1037 
1038         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1039                 return err;
1040         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1041 
1042         memset(&ac97, 0, sizeof(ac97));
1043         ac97.private_data = chip;
1044         ac97.private_free = snd_fm801_mixer_free_ac97;
1045         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1046                 return err;
1047         if (chip->secondary) {
1048                 ac97.num = 1;
1049                 ac97.addr = chip->secondary_addr;
1050                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1051                         return err;
1052         }
1053         for (i = 0; i < FM801_CONTROLS; i++)
1054                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1055         if (chip->multichannel) {
1056                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1057                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1058         }
1059         return 0;
1060 }
1061 
1062 /*
1063  *  initialization routines
1064  */
1065 
1066 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1067                           unsigned short reg, unsigned long waits)
1068 {
1069         unsigned long timeout = jiffies + waits;
1070 
1071         fm801_writew(chip, AC97_CMD,
1072                      reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1073         udelay(5);
1074         do {
1075                 if ((fm801_readw(chip, AC97_CMD) &
1076                      (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1077                         return 0;
1078                 schedule_timeout_uninterruptible(1);
1079         } while (time_after(timeout, jiffies));
1080         return -EIO;
1081 }
1082 
1083 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1084 {
1085         unsigned short cmdw;
1086 
1087         if (chip->tea575x_tuner & TUNER_ONLY)
1088                 goto __ac97_ok;
1089 
1090         /* codec cold reset + AC'97 warm reset */
1091         fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1092         fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1093         udelay(100);
1094         fm801_writew(chip, CODEC_CTRL, 0);
1095 
1096         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1097                 if (!resume) {
1098                         dev_info(chip->card->dev,
1099                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1100                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1101                         goto __ac97_ok;
1102                 }
1103 
1104         if (chip->multichannel) {
1105                 if (chip->secondary_addr) {
1106                         wait_for_codec(chip, chip->secondary_addr,
1107                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1108                 } else {
1109                         /* my card has the secondary codec */
1110                         /* at address #3, so the loop is inverted */
1111                         int i;
1112                         for (i = 3; i > 0; i--) {
1113                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1114                                                      msecs_to_jiffies(50))) {
1115                                         cmdw = fm801_readw(chip, AC97_DATA);
1116                                         if (cmdw != 0xffff && cmdw != 0) {
1117                                                 chip->secondary = 1;
1118                                                 chip->secondary_addr = i;
1119                                                 break;
1120                                         }
1121                                 }
1122                         }
1123                 }
1124 
1125                 /* the recovery phase, it seems that probing for non-existing codec might */
1126                 /* cause timeout problems */
1127                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1128         }
1129 
1130       __ac97_ok:
1131 
1132         /* init volume */
1133         fm801_writew(chip, PCM_VOL, 0x0808);
1134         fm801_writew(chip, FM_VOL, 0x9f1f);
1135         fm801_writew(chip, I2S_VOL, 0x8808);
1136 
1137         /* I2S control - I2S mode */
1138         fm801_writew(chip, I2S_MODE, 0x0003);
1139 
1140         /* interrupt setup */
1141         cmdw = fm801_readw(chip, IRQ_MASK);
1142         if (chip->irq < 0)
1143                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1144         else
1145                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1146         fm801_writew(chip, IRQ_MASK, cmdw);
1147 
1148         /* interrupt clear */
1149         fm801_writew(chip, IRQ_STATUS,
1150                      FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1151 
1152         return 0;
1153 }
1154 
1155 
1156 static int snd_fm801_free(struct fm801 *chip)
1157 {
1158         unsigned short cmdw;
1159 
1160         if (chip->irq < 0)
1161                 goto __end_hw;
1162 
1163         /* interrupt setup - mask everything */
1164         cmdw = fm801_readw(chip, IRQ_MASK);
1165         cmdw |= 0x00c3;
1166         fm801_writew(chip, IRQ_MASK, cmdw);
1167 
1168       __end_hw:
1169 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1170         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1171                 snd_tea575x_exit(&chip->tea);
1172                 v4l2_device_unregister(&chip->v4l2_dev);
1173         }
1174 #endif
1175         return 0;
1176 }
1177 
1178 static int snd_fm801_dev_free(struct snd_device *device)
1179 {
1180         struct fm801 *chip = device->device_data;
1181         return snd_fm801_free(chip);
1182 }
1183 
1184 static int snd_fm801_create(struct snd_card *card,
1185                             struct pci_dev *pci,
1186                             int tea575x_tuner,
1187                             int radio_nr,
1188                             struct fm801 **rchip)
1189 {
1190         struct fm801 *chip;
1191         int err;
1192         static struct snd_device_ops ops = {
1193                 .dev_free =     snd_fm801_dev_free,
1194         };
1195 
1196         *rchip = NULL;
1197         if ((err = pcim_enable_device(pci)) < 0)
1198                 return err;
1199         chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL);
1200         if (chip == NULL)
1201                 return -ENOMEM;
1202         spin_lock_init(&chip->reg_lock);
1203         chip->card = card;
1204         chip->pci = pci;
1205         chip->irq = -1;
1206         chip->tea575x_tuner = tea575x_tuner;
1207         if ((err = pci_request_regions(pci, "FM801")) < 0)
1208                 return err;
1209         chip->port = pci_resource_start(pci, 0);
1210         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1211                 if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
1212                                 IRQF_SHARED, KBUILD_MODNAME, chip)) {
1213                         dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1214                         snd_fm801_free(chip);
1215                         return -EBUSY;
1216                 }
1217                 chip->irq = pci->irq;
1218                 pci_set_master(pci);
1219         }
1220 
1221         if (pci->revision >= 0xb1)      /* FM801-AU */
1222                 chip->multichannel = 1;
1223 
1224         snd_fm801_chip_init(chip, 0);
1225         /* init might set tuner access method */
1226         tea575x_tuner = chip->tea575x_tuner;
1227 
1228         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1229                 snd_fm801_free(chip);
1230                 return err;
1231         }
1232 
1233 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1234         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1235         if (err < 0) {
1236                 snd_fm801_free(chip);
1237                 return err;
1238         }
1239         chip->tea.v4l2_dev = &chip->v4l2_dev;
1240         chip->tea.radio_nr = radio_nr;
1241         chip->tea.private_data = chip;
1242         chip->tea.ops = &snd_fm801_tea_ops;
1243         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1244         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1245             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1246                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1247                         dev_err(card->dev, "TEA575x radio not found\n");
1248                         snd_fm801_free(chip);
1249                         return -ENODEV;
1250                 }
1251         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1252                 /* autodetect tuner connection */
1253                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1254                         chip->tea575x_tuner = tea575x_tuner;
1255                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1256                                 dev_info(card->dev,
1257                                          "detected TEA575x radio type %s\n",
1258                                            get_tea575x_gpio(chip)->name);
1259                                 break;
1260                         }
1261                 }
1262                 if (tea575x_tuner == 4) {
1263                         dev_err(card->dev, "TEA575x radio not found\n");
1264                         chip->tea575x_tuner = TUNER_DISABLED;
1265                 }
1266         }
1267         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1268                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1269                         sizeof(chip->tea.card));
1270         }
1271 #endif
1272 
1273         *rchip = chip;
1274         return 0;
1275 }
1276 
1277 static int snd_card_fm801_probe(struct pci_dev *pci,
1278                                 const struct pci_device_id *pci_id)
1279 {
1280         static int dev;
1281         struct snd_card *card;
1282         struct fm801 *chip;
1283         struct snd_opl3 *opl3;
1284         int err;
1285 
1286         if (dev >= SNDRV_CARDS)
1287                 return -ENODEV;
1288         if (!enable[dev]) {
1289                 dev++;
1290                 return -ENOENT;
1291         }
1292 
1293         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1294                            0, &card);
1295         if (err < 0)
1296                 return err;
1297         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1298                 snd_card_free(card);
1299                 return err;
1300         }
1301         card->private_data = chip;
1302 
1303         strcpy(card->driver, "FM801");
1304         strcpy(card->shortname, "ForteMedia FM801-");
1305         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1306         sprintf(card->longname, "%s at 0x%lx, irq %i",
1307                 card->shortname, chip->port, chip->irq);
1308 
1309         if (chip->tea575x_tuner & TUNER_ONLY)
1310                 goto __fm801_tuner_only;
1311 
1312         if ((err = snd_fm801_pcm(chip, 0)) < 0) {
1313                 snd_card_free(card);
1314                 return err;
1315         }
1316         if ((err = snd_fm801_mixer(chip)) < 0) {
1317                 snd_card_free(card);
1318                 return err;
1319         }
1320         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1321                                        chip->port + FM801_MPU401_DATA,
1322                                        MPU401_INFO_INTEGRATED |
1323                                        MPU401_INFO_IRQ_HOOK,
1324                                        -1, &chip->rmidi)) < 0) {
1325                 snd_card_free(card);
1326                 return err;
1327         }
1328         if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1329                                    chip->port + FM801_OPL3_BANK1,
1330                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1331                 snd_card_free(card);
1332                 return err;
1333         }
1334         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1335                 snd_card_free(card);
1336                 return err;
1337         }
1338 
1339       __fm801_tuner_only:
1340         if ((err = snd_card_register(card)) < 0) {
1341                 snd_card_free(card);
1342                 return err;
1343         }
1344         pci_set_drvdata(pci, card);
1345         dev++;
1346         return 0;
1347 }
1348 
1349 static void snd_card_fm801_remove(struct pci_dev *pci)
1350 {
1351         snd_card_free(pci_get_drvdata(pci));
1352 }
1353 
1354 #ifdef CONFIG_PM_SLEEP
1355 static unsigned char saved_regs[] = {
1356         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1357         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1358         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1359         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1360 };
1361 
1362 static int snd_fm801_suspend(struct device *dev)
1363 {
1364         struct snd_card *card = dev_get_drvdata(dev);
1365         struct fm801 *chip = card->private_data;
1366         int i;
1367 
1368         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1369         snd_pcm_suspend_all(chip->pcm);
1370         snd_ac97_suspend(chip->ac97);
1371         snd_ac97_suspend(chip->ac97_sec);
1372         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1373                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1374         /* FIXME: tea575x suspend */
1375         return 0;
1376 }
1377 
1378 static int snd_fm801_resume(struct device *dev)
1379 {
1380         struct snd_card *card = dev_get_drvdata(dev);
1381         struct fm801 *chip = card->private_data;
1382         int i;
1383 
1384         snd_fm801_chip_init(chip, 1);
1385         snd_ac97_resume(chip->ac97);
1386         snd_ac97_resume(chip->ac97_sec);
1387         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1388                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1389 
1390         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1391         return 0;
1392 }
1393 
1394 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1395 #define SND_FM801_PM_OPS        &snd_fm801_pm
1396 #else
1397 #define SND_FM801_PM_OPS        NULL
1398 #endif /* CONFIG_PM_SLEEP */
1399 
1400 static struct pci_driver fm801_driver = {
1401         .name = KBUILD_MODNAME,
1402         .id_table = snd_fm801_ids,
1403         .probe = snd_card_fm801_probe,
1404         .remove = snd_card_fm801_remove,
1405         .driver = {
1406                 .pm = SND_FM801_PM_OPS,
1407         },
1408 };
1409 
1410 module_pci_driver(fm801_driver);
1411 

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