Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15

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  *  Support FM only card by Andy Shevchenko <andy@smile.org.ua>
  6  *
  7  *   This program is free software; you can redistribute it and/or modify
  8  *   it under the terms of the GNU General Public License as published by
  9  *   the Free Software Foundation; either version 2 of the License, or
 10  *   (at your option) any later version.
 11  *
 12  *   This program is distributed in the hope that it will be useful,
 13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15  *   GNU General Public License for more details.
 16  *
 17  *   You should have received a copy of the GNU General Public License
 18  *   along with this program; if not, write to the Free Software
 19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 20  *
 21  */
 22 
 23 #include <linux/delay.h>
 24 #include <linux/init.h>
 25 #include <linux/interrupt.h>
 26 #include <linux/pci.h>
 27 #include <linux/slab.h>
 28 #include <linux/module.h>
 29 #include <sound/core.h>
 30 #include <sound/pcm.h>
 31 #include <sound/tlv.h>
 32 #include <sound/ac97_codec.h>
 33 #include <sound/mpu401.h>
 34 #include <sound/opl3.h>
 35 #include <sound/initval.h>
 36 
 37 #include <asm/io.h>
 38 
 39 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 40 #include <media/tea575x.h>
 41 #endif
 42 
 43 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 44 MODULE_DESCRIPTION("ForteMedia FM801");
 45 MODULE_LICENSE("GPL");
 46 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
 47                 "{Genius,SoundMaker Live 5.1}}");
 48 
 49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 51 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
 52 /*
 53  *  Enable TEA575x tuner
 54  *    1 = MediaForte 256-PCS
 55  *    2 = MediaForte 256-PCP
 56  *    3 = MediaForte 64-PCR
 57  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
 58  *  High 16-bits are video (radio) device number + 1
 59  */
 60 static int tea575x_tuner[SNDRV_CARDS];
 61 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
 62 
 63 module_param_array(index, int, NULL, 0444);
 64 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
 65 module_param_array(id, charp, NULL, 0444);
 66 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
 67 module_param_array(enable, bool, NULL, 0444);
 68 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
 69 module_param_array(tea575x_tuner, int, NULL, 0444);
 70 MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
 71 module_param_array(radio_nr, int, NULL, 0444);
 72 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
 73 
 74 
 75 #define TUNER_DISABLED          (1<<3)
 76 #define TUNER_ONLY              (1<<4)
 77 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
 78 
 79 /*
 80  *  Direct registers
 81  */
 82 
 83 #define FM801_REG(chip, reg)    (chip->port + FM801_##reg)
 84 
 85 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
 86 #define FM801_FM_VOL            0x02    /* FM Output Volume */
 87 #define FM801_I2S_VOL           0x04    /* I2S Volume */
 88 #define FM801_REC_SRC           0x06    /* Record Source */
 89 #define FM801_PLY_CTRL          0x08    /* Playback Control */
 90 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
 91 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
 92 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
 93 #define FM801_CAP_CTRL          0x14    /* Capture Control */
 94 #define FM801_CAP_COUNT         0x16    /* Capture Count */
 95 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
 96 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
 97 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
 98 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
 99 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
100 #define FM801_I2C_CTRL          0x29    /* I2C Control */
101 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
102 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
103 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
104 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
105 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
106 #define FM801_GEN_CTRL          0x54    /* General Control */
107 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
108 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
109 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
110 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
111 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
112 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
113 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
114 
115 /* codec access */
116 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
117 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
118 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
119 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
120 
121 /* playback and record control register bits */
122 #define FM801_BUF1_LAST         (1<<1)
123 #define FM801_BUF2_LAST         (1<<2)
124 #define FM801_START             (1<<5)
125 #define FM801_PAUSE             (1<<6)
126 #define FM801_IMMED_STOP        (1<<7)
127 #define FM801_RATE_SHIFT        8
128 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
129 #define FM801_CHANNELS_4        (1<<12) /* playback only */
130 #define FM801_CHANNELS_6        (2<<12) /* playback only */
131 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
132 #define FM801_CHANNELS_MASK     (3<<12)
133 #define FM801_16BIT             (1<<14)
134 #define FM801_STEREO            (1<<15)
135 
136 /* IRQ status bits */
137 #define FM801_IRQ_PLAYBACK      (1<<8)
138 #define FM801_IRQ_CAPTURE       (1<<9)
139 #define FM801_IRQ_VOLUME        (1<<14)
140 #define FM801_IRQ_MPU           (1<<15)
141 
142 /* GPIO control register */
143 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
144 #define FM801_GPIO_GP1          (1<<1)
145 #define FM801_GPIO_GP2          (1<<2)
146 #define FM801_GPIO_GP3          (1<<3)
147 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
148 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
149 #define FM801_GPIO_GD1          (1<<9)
150 #define FM801_GPIO_GD2          (1<<10)
151 #define FM801_GPIO_GD3          (1<<11)
152 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
153 #define FM801_GPIO_GS0          (1<<12) /* function select: */
154 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
155 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
156 #define FM801_GPIO_GS3          (1<<15)
157 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
158         
159 /*
160 
161  */
162 
163 struct fm801 {
164         int irq;
165 
166         unsigned long port;     /* I/O port number */
167         unsigned int multichannel: 1,   /* multichannel support */
168                      secondary: 1;      /* secondary codec */
169         unsigned char secondary_addr;   /* address of the secondary codec */
170         unsigned int tea575x_tuner;     /* tuner access method & flags */
171 
172         unsigned short ply_ctrl; /* playback control */
173         unsigned short cap_ctrl; /* capture control */
174 
175         unsigned long ply_buffer;
176         unsigned int ply_buf;
177         unsigned int ply_count;
178         unsigned int ply_size;
179         unsigned int ply_pos;
180 
181         unsigned long cap_buffer;
182         unsigned int cap_buf;
183         unsigned int cap_count;
184         unsigned int cap_size;
185         unsigned int cap_pos;
186 
187         struct snd_ac97_bus *ac97_bus;
188         struct snd_ac97 *ac97;
189         struct snd_ac97 *ac97_sec;
190 
191         struct pci_dev *pci;
192         struct snd_card *card;
193         struct snd_pcm *pcm;
194         struct snd_rawmidi *rmidi;
195         struct snd_pcm_substream *playback_substream;
196         struct snd_pcm_substream *capture_substream;
197         unsigned int p_dma_size;
198         unsigned int c_dma_size;
199 
200         spinlock_t reg_lock;
201         struct snd_info_entry *proc_entry;
202 
203 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
204         struct v4l2_device v4l2_dev;
205         struct snd_tea575x tea;
206 #endif
207 
208 #ifdef CONFIG_PM_SLEEP
209         u16 saved_regs[0x20];
210 #endif
211 };
212 
213 static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = {
214         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
215         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
216         { 0, }
217 };
218 
219 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
220 
221 /*
222  *  common I/O routines
223  */
224 
225 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
226                                  unsigned short mask, unsigned short value)
227 {
228         int change;
229         unsigned long flags;
230         unsigned short old, new;
231 
232         spin_lock_irqsave(&chip->reg_lock, flags);
233         old = inw(chip->port + reg);
234         new = (old & ~mask) | value;
235         change = old != new;
236         if (change)
237                 outw(new, chip->port + reg);
238         spin_unlock_irqrestore(&chip->reg_lock, flags);
239         return change;
240 }
241 
242 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
243                                   unsigned short reg,
244                                   unsigned short val)
245 {
246         struct fm801 *chip = ac97->private_data;
247         int idx;
248 
249         /*
250          *  Wait until the codec interface is not ready..
251          */
252         for (idx = 0; idx < 100; idx++) {
253                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
254                         goto ok1;
255                 udelay(10);
256         }
257         dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
258         return;
259 
260  ok1:
261         /* write data and address */
262         outw(val, FM801_REG(chip, AC97_DATA));
263         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD));
264         /*
265          *  Wait until the write command is not completed..
266          */
267         for (idx = 0; idx < 1000; idx++) {
268                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
269                         return;
270                 udelay(10);
271         }
272         dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", ac97->num);
273 }
274 
275 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
276 {
277         struct fm801 *chip = ac97->private_data;
278         int idx;
279 
280         /*
281          *  Wait until the codec interface is not ready..
282          */
283         for (idx = 0; idx < 100; idx++) {
284                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
285                         goto ok1;
286                 udelay(10);
287         }
288         dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
289         return 0;
290 
291  ok1:
292         /* read command */
293         outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ,
294              FM801_REG(chip, AC97_CMD));
295         for (idx = 0; idx < 100; idx++) {
296                 if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY))
297                         goto ok2;
298                 udelay(10);
299         }
300         dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n", ac97->num);
301         return 0;
302 
303  ok2:
304         for (idx = 0; idx < 1000; idx++) {
305                 if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID)
306                         goto ok3;
307                 udelay(10);
308         }
309         dev_err(chip->card->dev, "AC'97 interface #%d is not valid (2)\n", ac97->num);
310         return 0;
311 
312  ok3:
313         return inw(FM801_REG(chip, AC97_DATA));
314 }
315 
316 static unsigned int rates[] = {
317   5500,  8000,  9600, 11025,
318   16000, 19200, 22050, 32000,
319   38400, 44100, 48000
320 };
321 
322 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
323         .count = ARRAY_SIZE(rates),
324         .list = rates,
325         .mask = 0,
326 };
327 
328 static unsigned int channels[] = {
329   2, 4, 6
330 };
331 
332 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
333         .count = ARRAY_SIZE(channels),
334         .list = channels,
335         .mask = 0,
336 };
337 
338 /*
339  *  Sample rate routines
340  */
341 
342 static unsigned short snd_fm801_rate_bits(unsigned int rate)
343 {
344         unsigned int idx;
345 
346         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
347                 if (rates[idx] == rate)
348                         return idx;
349         snd_BUG();
350         return ARRAY_SIZE(rates) - 1;
351 }
352 
353 /*
354  *  PCM part
355  */
356 
357 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
358                                       int cmd)
359 {
360         struct fm801 *chip = snd_pcm_substream_chip(substream);
361 
362         spin_lock(&chip->reg_lock);
363         switch (cmd) {
364         case SNDRV_PCM_TRIGGER_START:
365                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
366                                      FM801_BUF2_LAST |
367                                      FM801_PAUSE);
368                 chip->ply_ctrl |= FM801_START |
369                                    FM801_IMMED_STOP;
370                 break;
371         case SNDRV_PCM_TRIGGER_STOP:
372                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
373                 break;
374         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
375         case SNDRV_PCM_TRIGGER_SUSPEND:
376                 chip->ply_ctrl |= FM801_PAUSE;
377                 break;
378         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
379         case SNDRV_PCM_TRIGGER_RESUME:
380                 chip->ply_ctrl &= ~FM801_PAUSE;
381                 break;
382         default:
383                 spin_unlock(&chip->reg_lock);
384                 snd_BUG();
385                 return -EINVAL;
386         }
387         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
388         spin_unlock(&chip->reg_lock);
389         return 0;
390 }
391 
392 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
393                                      int cmd)
394 {
395         struct fm801 *chip = snd_pcm_substream_chip(substream);
396 
397         spin_lock(&chip->reg_lock);
398         switch (cmd) {
399         case SNDRV_PCM_TRIGGER_START:
400                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
401                                      FM801_BUF2_LAST |
402                                      FM801_PAUSE);
403                 chip->cap_ctrl |= FM801_START |
404                                    FM801_IMMED_STOP;
405                 break;
406         case SNDRV_PCM_TRIGGER_STOP:
407                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
408                 break;
409         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
410         case SNDRV_PCM_TRIGGER_SUSPEND:
411                 chip->cap_ctrl |= FM801_PAUSE;
412                 break;
413         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
414         case SNDRV_PCM_TRIGGER_RESUME:
415                 chip->cap_ctrl &= ~FM801_PAUSE;
416                 break;
417         default:
418                 spin_unlock(&chip->reg_lock);
419                 snd_BUG();
420                 return -EINVAL;
421         }
422         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
423         spin_unlock(&chip->reg_lock);
424         return 0;
425 }
426 
427 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
428                                struct snd_pcm_hw_params *hw_params)
429 {
430         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
431 }
432 
433 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
434 {
435         return snd_pcm_lib_free_pages(substream);
436 }
437 
438 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
439 {
440         struct fm801 *chip = snd_pcm_substream_chip(substream);
441         struct snd_pcm_runtime *runtime = substream->runtime;
442 
443         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
444         chip->ply_count = snd_pcm_lib_period_bytes(substream);
445         spin_lock_irq(&chip->reg_lock);
446         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
447                              FM801_STEREO | FM801_RATE_MASK |
448                              FM801_CHANNELS_MASK);
449         if (snd_pcm_format_width(runtime->format) == 16)
450                 chip->ply_ctrl |= FM801_16BIT;
451         if (runtime->channels > 1) {
452                 chip->ply_ctrl |= FM801_STEREO;
453                 if (runtime->channels == 4)
454                         chip->ply_ctrl |= FM801_CHANNELS_4;
455                 else if (runtime->channels == 6)
456                         chip->ply_ctrl |= FM801_CHANNELS_6;
457         }
458         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
459         chip->ply_buf = 0;
460         outw(chip->ply_ctrl, FM801_REG(chip, PLY_CTRL));
461         outw(chip->ply_count - 1, FM801_REG(chip, PLY_COUNT));
462         chip->ply_buffer = runtime->dma_addr;
463         chip->ply_pos = 0;
464         outl(chip->ply_buffer, FM801_REG(chip, PLY_BUF1));
465         outl(chip->ply_buffer + (chip->ply_count % chip->ply_size), FM801_REG(chip, PLY_BUF2));
466         spin_unlock_irq(&chip->reg_lock);
467         return 0;
468 }
469 
470 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
471 {
472         struct fm801 *chip = snd_pcm_substream_chip(substream);
473         struct snd_pcm_runtime *runtime = substream->runtime;
474 
475         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
476         chip->cap_count = snd_pcm_lib_period_bytes(substream);
477         spin_lock_irq(&chip->reg_lock);
478         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
479                              FM801_STEREO | FM801_RATE_MASK);
480         if (snd_pcm_format_width(runtime->format) == 16)
481                 chip->cap_ctrl |= FM801_16BIT;
482         if (runtime->channels > 1)
483                 chip->cap_ctrl |= FM801_STEREO;
484         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
485         chip->cap_buf = 0;
486         outw(chip->cap_ctrl, FM801_REG(chip, CAP_CTRL));
487         outw(chip->cap_count - 1, FM801_REG(chip, CAP_COUNT));
488         chip->cap_buffer = runtime->dma_addr;
489         chip->cap_pos = 0;
490         outl(chip->cap_buffer, FM801_REG(chip, CAP_BUF1));
491         outl(chip->cap_buffer + (chip->cap_count % chip->cap_size), FM801_REG(chip, CAP_BUF2));
492         spin_unlock_irq(&chip->reg_lock);
493         return 0;
494 }
495 
496 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
497 {
498         struct fm801 *chip = snd_pcm_substream_chip(substream);
499         size_t ptr;
500 
501         if (!(chip->ply_ctrl & FM801_START))
502                 return 0;
503         spin_lock(&chip->reg_lock);
504         ptr = chip->ply_pos + (chip->ply_count - 1) - inw(FM801_REG(chip, PLY_COUNT));
505         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_PLAYBACK) {
506                 ptr += chip->ply_count;
507                 ptr %= chip->ply_size;
508         }
509         spin_unlock(&chip->reg_lock);
510         return bytes_to_frames(substream->runtime, ptr);
511 }
512 
513 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
514 {
515         struct fm801 *chip = snd_pcm_substream_chip(substream);
516         size_t ptr;
517 
518         if (!(chip->cap_ctrl & FM801_START))
519                 return 0;
520         spin_lock(&chip->reg_lock);
521         ptr = chip->cap_pos + (chip->cap_count - 1) - inw(FM801_REG(chip, CAP_COUNT));
522         if (inw(FM801_REG(chip, IRQ_STATUS)) & FM801_IRQ_CAPTURE) {
523                 ptr += chip->cap_count;
524                 ptr %= chip->cap_size;
525         }
526         spin_unlock(&chip->reg_lock);
527         return bytes_to_frames(substream->runtime, ptr);
528 }
529 
530 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
531 {
532         struct fm801 *chip = dev_id;
533         unsigned short status;
534         unsigned int tmp;
535 
536         status = inw(FM801_REG(chip, IRQ_STATUS));
537         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
538         if (! status)
539                 return IRQ_NONE;
540         /* ack first */
541         outw(status, FM801_REG(chip, IRQ_STATUS));
542         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
543                 spin_lock(&chip->reg_lock);
544                 chip->ply_buf++;
545                 chip->ply_pos += chip->ply_count;
546                 chip->ply_pos %= chip->ply_size;
547                 tmp = chip->ply_pos + chip->ply_count;
548                 tmp %= chip->ply_size;
549                 outl(chip->ply_buffer + tmp,
550                                 (chip->ply_buf & 1) ?
551                                         FM801_REG(chip, PLY_BUF1) :
552                                         FM801_REG(chip, PLY_BUF2));
553                 spin_unlock(&chip->reg_lock);
554                 snd_pcm_period_elapsed(chip->playback_substream);
555         }
556         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
557                 spin_lock(&chip->reg_lock);
558                 chip->cap_buf++;
559                 chip->cap_pos += chip->cap_count;
560                 chip->cap_pos %= chip->cap_size;
561                 tmp = chip->cap_pos + chip->cap_count;
562                 tmp %= chip->cap_size;
563                 outl(chip->cap_buffer + tmp,
564                                 (chip->cap_buf & 1) ?
565                                         FM801_REG(chip, CAP_BUF1) :
566                                         FM801_REG(chip, CAP_BUF2));
567                 spin_unlock(&chip->reg_lock);
568                 snd_pcm_period_elapsed(chip->capture_substream);
569         }
570         if (chip->rmidi && (status & FM801_IRQ_MPU))
571                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
572         if (status & FM801_IRQ_VOLUME)
573                 ;/* TODO */
574 
575         return IRQ_HANDLED;
576 }
577 
578 static struct snd_pcm_hardware snd_fm801_playback =
579 {
580         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
581                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
582                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
583                                  SNDRV_PCM_INFO_MMAP_VALID),
584         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
585         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
586         .rate_min =             5500,
587         .rate_max =             48000,
588         .channels_min =         1,
589         .channels_max =         2,
590         .buffer_bytes_max =     (128*1024),
591         .period_bytes_min =     64,
592         .period_bytes_max =     (128*1024),
593         .periods_min =          1,
594         .periods_max =          1024,
595         .fifo_size =            0,
596 };
597 
598 static struct snd_pcm_hardware snd_fm801_capture =
599 {
600         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
601                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
602                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
603                                  SNDRV_PCM_INFO_MMAP_VALID),
604         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
605         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
606         .rate_min =             5500,
607         .rate_max =             48000,
608         .channels_min =         1,
609         .channels_max =         2,
610         .buffer_bytes_max =     (128*1024),
611         .period_bytes_min =     64,
612         .period_bytes_max =     (128*1024),
613         .periods_min =          1,
614         .periods_max =          1024,
615         .fifo_size =            0,
616 };
617 
618 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
619 {
620         struct fm801 *chip = snd_pcm_substream_chip(substream);
621         struct snd_pcm_runtime *runtime = substream->runtime;
622         int err;
623 
624         chip->playback_substream = substream;
625         runtime->hw = snd_fm801_playback;
626         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
627                                    &hw_constraints_rates);
628         if (chip->multichannel) {
629                 runtime->hw.channels_max = 6;
630                 snd_pcm_hw_constraint_list(runtime, 0,
631                                            SNDRV_PCM_HW_PARAM_CHANNELS,
632                                            &hw_constraints_channels);
633         }
634         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
635                 return err;
636         return 0;
637 }
638 
639 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
640 {
641         struct fm801 *chip = snd_pcm_substream_chip(substream);
642         struct snd_pcm_runtime *runtime = substream->runtime;
643         int err;
644 
645         chip->capture_substream = substream;
646         runtime->hw = snd_fm801_capture;
647         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
648                                    &hw_constraints_rates);
649         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
650                 return err;
651         return 0;
652 }
653 
654 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
655 {
656         struct fm801 *chip = snd_pcm_substream_chip(substream);
657 
658         chip->playback_substream = NULL;
659         return 0;
660 }
661 
662 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
663 {
664         struct fm801 *chip = snd_pcm_substream_chip(substream);
665 
666         chip->capture_substream = NULL;
667         return 0;
668 }
669 
670 static struct snd_pcm_ops snd_fm801_playback_ops = {
671         .open =         snd_fm801_playback_open,
672         .close =        snd_fm801_playback_close,
673         .ioctl =        snd_pcm_lib_ioctl,
674         .hw_params =    snd_fm801_hw_params,
675         .hw_free =      snd_fm801_hw_free,
676         .prepare =      snd_fm801_playback_prepare,
677         .trigger =      snd_fm801_playback_trigger,
678         .pointer =      snd_fm801_playback_pointer,
679 };
680 
681 static struct snd_pcm_ops snd_fm801_capture_ops = {
682         .open =         snd_fm801_capture_open,
683         .close =        snd_fm801_capture_close,
684         .ioctl =        snd_pcm_lib_ioctl,
685         .hw_params =    snd_fm801_hw_params,
686         .hw_free =      snd_fm801_hw_free,
687         .prepare =      snd_fm801_capture_prepare,
688         .trigger =      snd_fm801_capture_trigger,
689         .pointer =      snd_fm801_capture_pointer,
690 };
691 
692 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm)
693 {
694         struct snd_pcm *pcm;
695         int err;
696 
697         if (rpcm)
698                 *rpcm = NULL;
699         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
700                 return err;
701 
702         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
703         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
704 
705         pcm->private_data = chip;
706         pcm->info_flags = 0;
707         strcpy(pcm->name, "FM801");
708         chip->pcm = pcm;
709 
710         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
711                                               snd_dma_pci_data(chip->pci),
712                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
713 
714         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
715                                      snd_pcm_alt_chmaps,
716                                      chip->multichannel ? 6 : 2, 0,
717                                      NULL);
718         if (err < 0)
719                 return err;
720 
721         if (rpcm)
722                 *rpcm = pcm;
723         return 0;
724 }
725 
726 /*
727  *  TEA5757 radio
728  */
729 
730 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
731 
732 /* GPIO to TEA575x maps */
733 struct snd_fm801_tea575x_gpio {
734         u8 data, clk, wren, most;
735         char *name;
736 };
737 
738 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
739         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
740         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
741         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
742 };
743 
744 #define get_tea575x_gpio(chip) \
745         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
746 
747 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
748 {
749         struct fm801 *chip = tea->private_data;
750         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
751         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
752 
753         reg &= ~(FM801_GPIO_GP(gpio.data) |
754                  FM801_GPIO_GP(gpio.clk) |
755                  FM801_GPIO_GP(gpio.wren));
756 
757         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
758         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
759         /* WRITE_ENABLE is inverted */
760         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
761 
762         outw(reg, FM801_REG(chip, GPIO_CTRL));
763 }
764 
765 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
766 {
767         struct fm801 *chip = tea->private_data;
768         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
769         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
770         u8 ret;
771 
772         ret = 0;
773         if (reg & FM801_GPIO_GP(gpio.data))
774                 ret |= TEA575X_DATA;
775         if (reg & FM801_GPIO_GP(gpio.most))
776                 ret |= TEA575X_MOST;
777         return ret;
778 }
779 
780 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
781 {
782         struct fm801 *chip = tea->private_data;
783         unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
784         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
785 
786         /* use GPIO lines and set write enable bit */
787         reg |= FM801_GPIO_GS(gpio.data) |
788                FM801_GPIO_GS(gpio.wren) |
789                FM801_GPIO_GS(gpio.clk) |
790                FM801_GPIO_GS(gpio.most);
791         if (output) {
792                 /* all of lines are in the write direction */
793                 /* clear data and clock lines */
794                 reg &= ~(FM801_GPIO_GD(gpio.data) |
795                          FM801_GPIO_GD(gpio.wren) |
796                          FM801_GPIO_GD(gpio.clk) |
797                          FM801_GPIO_GP(gpio.data) |
798                          FM801_GPIO_GP(gpio.clk) |
799                          FM801_GPIO_GP(gpio.wren));
800         } else {
801                 /* use GPIO lines, set data direction to input */
802                 reg |= FM801_GPIO_GD(gpio.data) |
803                        FM801_GPIO_GD(gpio.most) |
804                        FM801_GPIO_GP(gpio.data) |
805                        FM801_GPIO_GP(gpio.most) |
806                        FM801_GPIO_GP(gpio.wren);
807                 /* all of lines are in the write direction, except data */
808                 /* clear data, write enable and clock lines */
809                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
810                          FM801_GPIO_GD(gpio.clk) |
811                          FM801_GPIO_GP(gpio.clk));
812         }
813 
814         outw(reg, FM801_REG(chip, GPIO_CTRL));
815 }
816 
817 static struct snd_tea575x_ops snd_fm801_tea_ops = {
818         .set_pins = snd_fm801_tea575x_set_pins,
819         .get_pins = snd_fm801_tea575x_get_pins,
820         .set_direction = snd_fm801_tea575x_set_direction,
821 };
822 #endif
823 
824 /*
825  *  Mixer routines
826  */
827 
828 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
829 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
830   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
831   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
832 
833 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
834                                  struct snd_ctl_elem_info *uinfo)
835 {
836         int mask = (kcontrol->private_value >> 16) & 0xff;
837 
838         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
839         uinfo->count = 1;
840         uinfo->value.integer.min = 0;
841         uinfo->value.integer.max = mask;
842         return 0;
843 }
844 
845 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
846                                 struct snd_ctl_elem_value *ucontrol)
847 {
848         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
849         int reg = kcontrol->private_value & 0xff;
850         int shift = (kcontrol->private_value >> 8) & 0xff;
851         int mask = (kcontrol->private_value >> 16) & 0xff;
852         int invert = (kcontrol->private_value >> 24) & 0xff;
853 
854         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
855         if (invert)
856                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
857         return 0;
858 }
859 
860 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
861                                 struct snd_ctl_elem_value *ucontrol)
862 {
863         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
864         int reg = kcontrol->private_value & 0xff;
865         int shift = (kcontrol->private_value >> 8) & 0xff;
866         int mask = (kcontrol->private_value >> 16) & 0xff;
867         int invert = (kcontrol->private_value >> 24) & 0xff;
868         unsigned short val;
869 
870         val = (ucontrol->value.integer.value[0] & mask);
871         if (invert)
872                 val = mask - val;
873         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
874 }
875 
876 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
877 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
878   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
879   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
880 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
881 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
882   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
883   .name = xname, .info = snd_fm801_info_double, \
884   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
885   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
886   .tlv = { .p = (xtlv) } }
887 
888 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
889                                  struct snd_ctl_elem_info *uinfo)
890 {
891         int mask = (kcontrol->private_value >> 16) & 0xff;
892 
893         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
894         uinfo->count = 2;
895         uinfo->value.integer.min = 0;
896         uinfo->value.integer.max = mask;
897         return 0;
898 }
899 
900 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
901                                 struct snd_ctl_elem_value *ucontrol)
902 {
903         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
904         int reg = kcontrol->private_value & 0xff;
905         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
906         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
907         int mask = (kcontrol->private_value >> 16) & 0xff;
908         int invert = (kcontrol->private_value >> 24) & 0xff;
909 
910         spin_lock_irq(&chip->reg_lock);
911         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
912         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
913         spin_unlock_irq(&chip->reg_lock);
914         if (invert) {
915                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
916                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
917         }
918         return 0;
919 }
920 
921 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
922                                 struct snd_ctl_elem_value *ucontrol)
923 {
924         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
925         int reg = kcontrol->private_value & 0xff;
926         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
927         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
928         int mask = (kcontrol->private_value >> 16) & 0xff;
929         int invert = (kcontrol->private_value >> 24) & 0xff;
930         unsigned short val1, val2;
931  
932         val1 = ucontrol->value.integer.value[0] & mask;
933         val2 = ucontrol->value.integer.value[1] & mask;
934         if (invert) {
935                 val1 = mask - val1;
936                 val2 = mask - val2;
937         }
938         return snd_fm801_update_bits(chip, reg,
939                                      (mask << shift_left) | (mask << shift_right),
940                                      (val1 << shift_left ) | (val2 << shift_right));
941 }
942 
943 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
944                               struct snd_ctl_elem_info *uinfo)
945 {
946         static char *texts[5] = {
947                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
948         };
949  
950         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
951         uinfo->count = 1;
952         uinfo->value.enumerated.items = 5;
953         if (uinfo->value.enumerated.item > 4)
954                 uinfo->value.enumerated.item = 4;
955         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
956         return 0;
957 }
958 
959 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
960                              struct snd_ctl_elem_value *ucontrol)
961 {
962         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
963         unsigned short val;
964  
965         val = inw(FM801_REG(chip, REC_SRC)) & 7;
966         if (val > 4)
967                 val = 4;
968         ucontrol->value.enumerated.item[0] = val;
969         return 0;
970 }
971 
972 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
973                              struct snd_ctl_elem_value *ucontrol)
974 {
975         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
976         unsigned short val;
977  
978         if ((val = ucontrol->value.enumerated.item[0]) > 4)
979                 return -EINVAL;
980         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
981 }
982 
983 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
984 
985 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
986 
987 static struct snd_kcontrol_new snd_fm801_controls[] = {
988 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
989                  db_scale_dsp),
990 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
991 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
992                  db_scale_dsp),
993 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
994 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
995                  db_scale_dsp),
996 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
997 {
998         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
999         .name = "Digital Capture Source",
1000         .info = snd_fm801_info_mux,
1001         .get = snd_fm801_get_mux,
1002         .put = snd_fm801_put_mux,
1003 }
1004 };
1005 
1006 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1007 
1008 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1009 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1010 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1011 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1012 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1013 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1014 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1015 };
1016 
1017 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1018 {
1019         struct fm801 *chip = bus->private_data;
1020         chip->ac97_bus = NULL;
1021 }
1022 
1023 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1024 {
1025         struct fm801 *chip = ac97->private_data;
1026         if (ac97->num == 0) {
1027                 chip->ac97 = NULL;
1028         } else {
1029                 chip->ac97_sec = NULL;
1030         }
1031 }
1032 
1033 static int snd_fm801_mixer(struct fm801 *chip)
1034 {
1035         struct snd_ac97_template ac97;
1036         unsigned int i;
1037         int err;
1038         static struct snd_ac97_bus_ops ops = {
1039                 .write = snd_fm801_codec_write,
1040                 .read = snd_fm801_codec_read,
1041         };
1042 
1043         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1044                 return err;
1045         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1046 
1047         memset(&ac97, 0, sizeof(ac97));
1048         ac97.private_data = chip;
1049         ac97.private_free = snd_fm801_mixer_free_ac97;
1050         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1051                 return err;
1052         if (chip->secondary) {
1053                 ac97.num = 1;
1054                 ac97.addr = chip->secondary_addr;
1055                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1056                         return err;
1057         }
1058         for (i = 0; i < FM801_CONTROLS; i++)
1059                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1060         if (chip->multichannel) {
1061                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1062                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1063         }
1064         return 0;
1065 }
1066 
1067 /*
1068  *  initialization routines
1069  */
1070 
1071 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1072                           unsigned short reg, unsigned long waits)
1073 {
1074         unsigned long timeout = jiffies + waits;
1075 
1076         outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg,
1077              FM801_REG(chip, AC97_CMD));
1078         udelay(5);
1079         do {
1080                 if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY))
1081                     == FM801_AC97_VALID)
1082                         return 0;
1083                 schedule_timeout_uninterruptible(1);
1084         } while (time_after(timeout, jiffies));
1085         return -EIO;
1086 }
1087 
1088 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1089 {
1090         unsigned short cmdw;
1091 
1092         if (chip->tea575x_tuner & TUNER_ONLY)
1093                 goto __ac97_ok;
1094 
1095         /* codec cold reset + AC'97 warm reset */
1096         outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL));
1097         inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */
1098         udelay(100);
1099         outw(0, FM801_REG(chip, CODEC_CTRL));
1100 
1101         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1102                 if (!resume) {
1103                         dev_info(chip->card->dev,
1104                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1105                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1106                         goto __ac97_ok;
1107                 }
1108 
1109         if (chip->multichannel) {
1110                 if (chip->secondary_addr) {
1111                         wait_for_codec(chip, chip->secondary_addr,
1112                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1113                 } else {
1114                         /* my card has the secondary codec */
1115                         /* at address #3, so the loop is inverted */
1116                         int i;
1117                         for (i = 3; i > 0; i--) {
1118                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1119                                                      msecs_to_jiffies(50))) {
1120                                         cmdw = inw(FM801_REG(chip, AC97_DATA));
1121                                         if (cmdw != 0xffff && cmdw != 0) {
1122                                                 chip->secondary = 1;
1123                                                 chip->secondary_addr = i;
1124                                                 break;
1125                                         }
1126                                 }
1127                         }
1128                 }
1129 
1130                 /* the recovery phase, it seems that probing for non-existing codec might */
1131                 /* cause timeout problems */
1132                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1133         }
1134 
1135       __ac97_ok:
1136 
1137         /* init volume */
1138         outw(0x0808, FM801_REG(chip, PCM_VOL));
1139         outw(0x9f1f, FM801_REG(chip, FM_VOL));
1140         outw(0x8808, FM801_REG(chip, I2S_VOL));
1141 
1142         /* I2S control - I2S mode */
1143         outw(0x0003, FM801_REG(chip, I2S_MODE));
1144 
1145         /* interrupt setup */
1146         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1147         if (chip->irq < 0)
1148                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1149         else
1150                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1151         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1152 
1153         /* interrupt clear */
1154         outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS));
1155 
1156         return 0;
1157 }
1158 
1159 
1160 static int snd_fm801_free(struct fm801 *chip)
1161 {
1162         unsigned short cmdw;
1163 
1164         if (chip->irq < 0)
1165                 goto __end_hw;
1166 
1167         /* interrupt setup - mask everything */
1168         cmdw = inw(FM801_REG(chip, IRQ_MASK));
1169         cmdw |= 0x00c3;
1170         outw(cmdw, FM801_REG(chip, IRQ_MASK));
1171 
1172       __end_hw:
1173 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1174         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1175                 snd_tea575x_exit(&chip->tea);
1176                 v4l2_device_unregister(&chip->v4l2_dev);
1177         }
1178 #endif
1179         if (chip->irq >= 0)
1180                 free_irq(chip->irq, chip);
1181         pci_release_regions(chip->pci);
1182         pci_disable_device(chip->pci);
1183 
1184         kfree(chip);
1185         return 0;
1186 }
1187 
1188 static int snd_fm801_dev_free(struct snd_device *device)
1189 {
1190         struct fm801 *chip = device->device_data;
1191         return snd_fm801_free(chip);
1192 }
1193 
1194 static int snd_fm801_create(struct snd_card *card,
1195                             struct pci_dev *pci,
1196                             int tea575x_tuner,
1197                             int radio_nr,
1198                             struct fm801 **rchip)
1199 {
1200         struct fm801 *chip;
1201         int err;
1202         static struct snd_device_ops ops = {
1203                 .dev_free =     snd_fm801_dev_free,
1204         };
1205 
1206         *rchip = NULL;
1207         if ((err = pci_enable_device(pci)) < 0)
1208                 return err;
1209         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1210         if (chip == NULL) {
1211                 pci_disable_device(pci);
1212                 return -ENOMEM;
1213         }
1214         spin_lock_init(&chip->reg_lock);
1215         chip->card = card;
1216         chip->pci = pci;
1217         chip->irq = -1;
1218         chip->tea575x_tuner = tea575x_tuner;
1219         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1220                 kfree(chip);
1221                 pci_disable_device(pci);
1222                 return err;
1223         }
1224         chip->port = pci_resource_start(pci, 0);
1225         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1226                 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1227                                 KBUILD_MODNAME, chip)) {
1228                         dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq);
1229                         snd_fm801_free(chip);
1230                         return -EBUSY;
1231                 }
1232                 chip->irq = pci->irq;
1233                 pci_set_master(pci);
1234         }
1235 
1236         if (pci->revision >= 0xb1)      /* FM801-AU */
1237                 chip->multichannel = 1;
1238 
1239         snd_fm801_chip_init(chip, 0);
1240         /* init might set tuner access method */
1241         tea575x_tuner = chip->tea575x_tuner;
1242 
1243         if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1244                 pci_clear_master(pci);
1245                 free_irq(chip->irq, chip);
1246                 chip->irq = -1;
1247         }
1248 
1249         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1250                 snd_fm801_free(chip);
1251                 return err;
1252         }
1253 
1254 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1255         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1256         if (err < 0) {
1257                 snd_fm801_free(chip);
1258                 return err;
1259         }
1260         chip->tea.v4l2_dev = &chip->v4l2_dev;
1261         chip->tea.radio_nr = radio_nr;
1262         chip->tea.private_data = chip;
1263         chip->tea.ops = &snd_fm801_tea_ops;
1264         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1265         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1266             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1267                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1268                         dev_err(card->dev, "TEA575x radio not found\n");
1269                         snd_fm801_free(chip);
1270                         return -ENODEV;
1271                 }
1272         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1273                 /* autodetect tuner connection */
1274                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1275                         chip->tea575x_tuner = tea575x_tuner;
1276                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1277                                 dev_info(card->dev,
1278                                          "detected TEA575x radio type %s\n",
1279                                            get_tea575x_gpio(chip)->name);
1280                                 break;
1281                         }
1282                 }
1283                 if (tea575x_tuner == 4) {
1284                         dev_err(card->dev, "TEA575x radio not found\n");
1285                         chip->tea575x_tuner = TUNER_DISABLED;
1286                 }
1287         }
1288         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1289                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1290                         sizeof(chip->tea.card));
1291         }
1292 #endif
1293 
1294         *rchip = chip;
1295         return 0;
1296 }
1297 
1298 static int snd_card_fm801_probe(struct pci_dev *pci,
1299                                 const struct pci_device_id *pci_id)
1300 {
1301         static int dev;
1302         struct snd_card *card;
1303         struct fm801 *chip;
1304         struct snd_opl3 *opl3;
1305         int err;
1306 
1307         if (dev >= SNDRV_CARDS)
1308                 return -ENODEV;
1309         if (!enable[dev]) {
1310                 dev++;
1311                 return -ENOENT;
1312         }
1313 
1314         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1315                            0, &card);
1316         if (err < 0)
1317                 return err;
1318         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1319                 snd_card_free(card);
1320                 return err;
1321         }
1322         card->private_data = chip;
1323 
1324         strcpy(card->driver, "FM801");
1325         strcpy(card->shortname, "ForteMedia FM801-");
1326         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1327         sprintf(card->longname, "%s at 0x%lx, irq %i",
1328                 card->shortname, chip->port, chip->irq);
1329 
1330         if (chip->tea575x_tuner & TUNER_ONLY)
1331                 goto __fm801_tuner_only;
1332 
1333         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1334                 snd_card_free(card);
1335                 return err;
1336         }
1337         if ((err = snd_fm801_mixer(chip)) < 0) {
1338                 snd_card_free(card);
1339                 return err;
1340         }
1341         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1342                                        FM801_REG(chip, MPU401_DATA),
1343                                        MPU401_INFO_INTEGRATED |
1344                                        MPU401_INFO_IRQ_HOOK,
1345                                        -1, &chip->rmidi)) < 0) {
1346                 snd_card_free(card);
1347                 return err;
1348         }
1349         if ((err = snd_opl3_create(card, FM801_REG(chip, OPL3_BANK0),
1350                                    FM801_REG(chip, OPL3_BANK1),
1351                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1352                 snd_card_free(card);
1353                 return err;
1354         }
1355         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1356                 snd_card_free(card);
1357                 return err;
1358         }
1359 
1360       __fm801_tuner_only:
1361         if ((err = snd_card_register(card)) < 0) {
1362                 snd_card_free(card);
1363                 return err;
1364         }
1365         pci_set_drvdata(pci, card);
1366         dev++;
1367         return 0;
1368 }
1369 
1370 static void snd_card_fm801_remove(struct pci_dev *pci)
1371 {
1372         snd_card_free(pci_get_drvdata(pci));
1373 }
1374 
1375 #ifdef CONFIG_PM_SLEEP
1376 static unsigned char saved_regs[] = {
1377         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1378         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1379         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1380         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1381 };
1382 
1383 static int snd_fm801_suspend(struct device *dev)
1384 {
1385         struct pci_dev *pci = to_pci_dev(dev);
1386         struct snd_card *card = dev_get_drvdata(dev);
1387         struct fm801 *chip = card->private_data;
1388         int i;
1389 
1390         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1391         snd_pcm_suspend_all(chip->pcm);
1392         snd_ac97_suspend(chip->ac97);
1393         snd_ac97_suspend(chip->ac97_sec);
1394         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1395                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1396         /* FIXME: tea575x suspend */
1397 
1398         pci_disable_device(pci);
1399         pci_save_state(pci);
1400         pci_set_power_state(pci, PCI_D3hot);
1401         return 0;
1402 }
1403 
1404 static int snd_fm801_resume(struct device *dev)
1405 {
1406         struct pci_dev *pci = to_pci_dev(dev);
1407         struct snd_card *card = dev_get_drvdata(dev);
1408         struct fm801 *chip = card->private_data;
1409         int i;
1410 
1411         pci_set_power_state(pci, PCI_D0);
1412         pci_restore_state(pci);
1413         if (pci_enable_device(pci) < 0) {
1414                 dev_err(dev, "pci_enable_device failed, disabling device\n");
1415                 snd_card_disconnect(card);
1416                 return -EIO;
1417         }
1418         pci_set_master(pci);
1419 
1420         snd_fm801_chip_init(chip, 1);
1421         snd_ac97_resume(chip->ac97);
1422         snd_ac97_resume(chip->ac97_sec);
1423         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1424                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1425 
1426         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1427         return 0;
1428 }
1429 
1430 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1431 #define SND_FM801_PM_OPS        &snd_fm801_pm
1432 #else
1433 #define SND_FM801_PM_OPS        NULL
1434 #endif /* CONFIG_PM_SLEEP */
1435 
1436 static struct pci_driver fm801_driver = {
1437         .name = KBUILD_MODNAME,
1438         .id_table = snd_fm801_ids,
1439         .probe = snd_card_fm801_probe,
1440         .remove = snd_card_fm801_remove,
1441         .driver = {
1442                 .pm = SND_FM801_PM_OPS,
1443         },
1444 };
1445 
1446 module_pci_driver(fm801_driver);
1447 

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