Version:  2.0.40 2.2.26 2.4.37 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 3.16 3.17

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/io.h>
 27 #include <linux/pci.h>
 28 #include <linux/slab.h>
 29 #include <linux/module.h>
 30 #include <sound/core.h>
 31 #include <sound/pcm.h>
 32 #include <sound/tlv.h>
 33 #include <sound/ac97_codec.h>
 34 #include <sound/mpu401.h>
 35 #include <sound/opl3.h>
 36 #include <sound/initval.h>
 37 
 38 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
 39 #include <media/tea575x.h>
 40 #endif
 41 
 42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 43 MODULE_DESCRIPTION("ForteMedia FM801");
 44 MODULE_LICENSE("GPL");
 45 MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
 46                 "{Genius,SoundMaker Live 5.1}}");
 47 
 48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 50 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
 51 /*
 52  *  Enable TEA575x tuner
 53  *    1 = MediaForte 256-PCS
 54  *    2 = MediaForte 256-PCP
 55  *    3 = MediaForte 64-PCR
 56  *   16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
 57  *  High 16-bits are video (radio) device number + 1
 58  */
 59 static int tea575x_tuner[SNDRV_CARDS];
 60 static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
 61 
 62 module_param_array(index, int, NULL, 0444);
 63 MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
 64 module_param_array(id, charp, NULL, 0444);
 65 MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
 66 module_param_array(enable, bool, NULL, 0444);
 67 MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
 68 module_param_array(tea575x_tuner, int, NULL, 0444);
 69 MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
 70 module_param_array(radio_nr, int, NULL, 0444);
 71 MODULE_PARM_DESC(radio_nr, "Radio device numbers");
 72 
 73 
 74 #define TUNER_DISABLED          (1<<3)
 75 #define TUNER_ONLY              (1<<4)
 76 #define TUNER_TYPE_MASK         (~TUNER_ONLY & 0xFFFF)
 77 
 78 /*
 79  *  Direct registers
 80  */
 81 
 82 #define fm801_writew(chip,reg,value)    outw((value), chip->port + FM801_##reg)
 83 #define fm801_readw(chip,reg)           inw(chip->port + FM801_##reg)
 84 
 85 #define fm801_writel(chip,reg,value)    outl((value), chip->port + FM801_##reg)
 86 
 87 #define FM801_PCM_VOL           0x00    /* PCM Output Volume */
 88 #define FM801_FM_VOL            0x02    /* FM Output Volume */
 89 #define FM801_I2S_VOL           0x04    /* I2S Volume */
 90 #define FM801_REC_SRC           0x06    /* Record Source */
 91 #define FM801_PLY_CTRL          0x08    /* Playback Control */
 92 #define FM801_PLY_COUNT         0x0a    /* Playback Count */
 93 #define FM801_PLY_BUF1          0x0c    /* Playback Bufer I */
 94 #define FM801_PLY_BUF2          0x10    /* Playback Buffer II */
 95 #define FM801_CAP_CTRL          0x14    /* Capture Control */
 96 #define FM801_CAP_COUNT         0x16    /* Capture Count */
 97 #define FM801_CAP_BUF1          0x18    /* Capture Buffer I */
 98 #define FM801_CAP_BUF2          0x1c    /* Capture Buffer II */
 99 #define FM801_CODEC_CTRL        0x22    /* Codec Control */
100 #define FM801_I2S_MODE          0x24    /* I2S Mode Control */
101 #define FM801_VOLUME            0x26    /* Volume Up/Down/Mute Status */
102 #define FM801_I2C_CTRL          0x29    /* I2C Control */
103 #define FM801_AC97_CMD          0x2a    /* AC'97 Command */
104 #define FM801_AC97_DATA         0x2c    /* AC'97 Data */
105 #define FM801_MPU401_DATA       0x30    /* MPU401 Data */
106 #define FM801_MPU401_CMD        0x31    /* MPU401 Command */
107 #define FM801_GPIO_CTRL         0x52    /* General Purpose I/O Control */
108 #define FM801_GEN_CTRL          0x54    /* General Control */
109 #define FM801_IRQ_MASK          0x56    /* Interrupt Mask */
110 #define FM801_IRQ_STATUS        0x5a    /* Interrupt Status */
111 #define FM801_OPL3_BANK0        0x68    /* OPL3 Status Read / Bank 0 Write */
112 #define FM801_OPL3_DATA0        0x69    /* OPL3 Data 0 Write */
113 #define FM801_OPL3_BANK1        0x6a    /* OPL3 Bank 1 Write */
114 #define FM801_OPL3_DATA1        0x6b    /* OPL3 Bank 1 Write */
115 #define FM801_POWERDOWN         0x70    /* Blocks Power Down Control */
116 
117 /* codec access */
118 #define FM801_AC97_READ         (1<<7)  /* read=1, write=0 */
119 #define FM801_AC97_VALID        (1<<8)  /* port valid=1 */
120 #define FM801_AC97_BUSY         (1<<9)  /* busy=1 */
121 #define FM801_AC97_ADDR_SHIFT   10      /* codec id (2bit) */
122 
123 /* playback and record control register bits */
124 #define FM801_BUF1_LAST         (1<<1)
125 #define FM801_BUF2_LAST         (1<<2)
126 #define FM801_START             (1<<5)
127 #define FM801_PAUSE             (1<<6)
128 #define FM801_IMMED_STOP        (1<<7)
129 #define FM801_RATE_SHIFT        8
130 #define FM801_RATE_MASK         (15 << FM801_RATE_SHIFT)
131 #define FM801_CHANNELS_4        (1<<12) /* playback only */
132 #define FM801_CHANNELS_6        (2<<12) /* playback only */
133 #define FM801_CHANNELS_6MS      (3<<12) /* playback only */
134 #define FM801_CHANNELS_MASK     (3<<12)
135 #define FM801_16BIT             (1<<14)
136 #define FM801_STEREO            (1<<15)
137 
138 /* IRQ status bits */
139 #define FM801_IRQ_PLAYBACK      (1<<8)
140 #define FM801_IRQ_CAPTURE       (1<<9)
141 #define FM801_IRQ_VOLUME        (1<<14)
142 #define FM801_IRQ_MPU           (1<<15)
143 
144 /* GPIO control register */
145 #define FM801_GPIO_GP0          (1<<0)  /* read/write */
146 #define FM801_GPIO_GP1          (1<<1)
147 #define FM801_GPIO_GP2          (1<<2)
148 #define FM801_GPIO_GP3          (1<<3)
149 #define FM801_GPIO_GP(x)        (1<<(0+(x)))
150 #define FM801_GPIO_GD0          (1<<8)  /* directions: 1 = input, 0 = output*/
151 #define FM801_GPIO_GD1          (1<<9)
152 #define FM801_GPIO_GD2          (1<<10)
153 #define FM801_GPIO_GD3          (1<<11)
154 #define FM801_GPIO_GD(x)        (1<<(8+(x)))
155 #define FM801_GPIO_GS0          (1<<12) /* function select: */
156 #define FM801_GPIO_GS1          (1<<13) /*    1 = GPIO */
157 #define FM801_GPIO_GS2          (1<<14) /*    0 = other (S/PDIF, VOL) */
158 #define FM801_GPIO_GS3          (1<<15)
159 #define FM801_GPIO_GS(x)        (1<<(12+(x)))
160         
161 /**
162  * struct fm801 - describes FM801 chip
163  * @port:               I/O port number
164  * @multichannel:       multichannel support
165  * @secondary:          secondary codec
166  * @secondary_addr:     address of the secondary codec
167  * @tea575x_tuner:      tuner access method & flags
168  * @ply_ctrl:           playback control
169  * @cap_ctrl:           capture control
170  */
171 struct fm801 {
172         int irq;
173 
174         unsigned long port;
175         unsigned int multichannel: 1,
176                      secondary: 1;
177         unsigned char secondary_addr;
178         unsigned int tea575x_tuner;
179 
180         unsigned short ply_ctrl;
181         unsigned short cap_ctrl;
182 
183         unsigned long ply_buffer;
184         unsigned int ply_buf;
185         unsigned int ply_count;
186         unsigned int ply_size;
187         unsigned int ply_pos;
188 
189         unsigned long cap_buffer;
190         unsigned int cap_buf;
191         unsigned int cap_count;
192         unsigned int cap_size;
193         unsigned int cap_pos;
194 
195         struct snd_ac97_bus *ac97_bus;
196         struct snd_ac97 *ac97;
197         struct snd_ac97 *ac97_sec;
198 
199         struct pci_dev *pci;
200         struct snd_card *card;
201         struct snd_pcm *pcm;
202         struct snd_rawmidi *rmidi;
203         struct snd_pcm_substream *playback_substream;
204         struct snd_pcm_substream *capture_substream;
205         unsigned int p_dma_size;
206         unsigned int c_dma_size;
207 
208         spinlock_t reg_lock;
209         struct snd_info_entry *proc_entry;
210 
211 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
212         struct v4l2_device v4l2_dev;
213         struct snd_tea575x tea;
214 #endif
215 
216 #ifdef CONFIG_PM_SLEEP
217         u16 saved_regs[0x20];
218 #endif
219 };
220 
221 static const struct pci_device_id snd_fm801_ids[] = {
222         { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */
223         { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
224         { 0, }
225 };
226 
227 MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
228 
229 /*
230  *  common I/O routines
231  */
232 
233 static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
234 {
235         unsigned int idx;
236 
237         for (idx = 0; idx < iterations; idx++) {
238                 if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
239                         return true;
240                 udelay(10);
241         }
242         return false;
243 }
244 
245 static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
246 {
247         unsigned int idx;
248 
249         for (idx = 0; idx < iterations; idx++) {
250                 if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
251                         return true;
252                 udelay(10);
253         }
254         return false;
255 }
256 
257 static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
258                                  unsigned short mask, unsigned short value)
259 {
260         int change;
261         unsigned long flags;
262         unsigned short old, new;
263 
264         spin_lock_irqsave(&chip->reg_lock, flags);
265         old = inw(chip->port + reg);
266         new = (old & ~mask) | value;
267         change = old != new;
268         if (change)
269                 outw(new, chip->port + reg);
270         spin_unlock_irqrestore(&chip->reg_lock, flags);
271         return change;
272 }
273 
274 static void snd_fm801_codec_write(struct snd_ac97 *ac97,
275                                   unsigned short reg,
276                                   unsigned short val)
277 {
278         struct fm801 *chip = ac97->private_data;
279 
280         /*
281          *  Wait until the codec interface is not ready..
282          */
283         if (!fm801_ac97_is_ready(chip, 100)) {
284                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
285                 return;
286         }
287 
288         /* write data and address */
289         fm801_writew(chip, AC97_DATA, val);
290         fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
291         /*
292          *  Wait until the write command is not completed..
293          */
294         if (!fm801_ac97_is_ready(chip, 1000))
295                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
296                 ac97->num);
297 }
298 
299 static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
300 {
301         struct fm801 *chip = ac97->private_data;
302 
303         /*
304          *  Wait until the codec interface is not ready..
305          */
306         if (!fm801_ac97_is_ready(chip, 100)) {
307                 dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
308                 return 0;
309         }
310 
311         /* read command */
312         fm801_writew(chip, AC97_CMD,
313                      reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
314         if (!fm801_ac97_is_ready(chip, 100)) {
315                 dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
316                         ac97->num);
317                 return 0;
318         }
319 
320         if (!fm801_ac97_is_valid(chip, 1000)) {
321                 dev_err(chip->card->dev,
322                         "AC'97 interface #%d is not valid (2)\n", ac97->num);
323                 return 0;
324         }
325 
326         return fm801_readw(chip, AC97_DATA);
327 }
328 
329 static unsigned int rates[] = {
330   5500,  8000,  9600, 11025,
331   16000, 19200, 22050, 32000,
332   38400, 44100, 48000
333 };
334 
335 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
336         .count = ARRAY_SIZE(rates),
337         .list = rates,
338         .mask = 0,
339 };
340 
341 static unsigned int channels[] = {
342   2, 4, 6
343 };
344 
345 static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
346         .count = ARRAY_SIZE(channels),
347         .list = channels,
348         .mask = 0,
349 };
350 
351 /*
352  *  Sample rate routines
353  */
354 
355 static unsigned short snd_fm801_rate_bits(unsigned int rate)
356 {
357         unsigned int idx;
358 
359         for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
360                 if (rates[idx] == rate)
361                         return idx;
362         snd_BUG();
363         return ARRAY_SIZE(rates) - 1;
364 }
365 
366 /*
367  *  PCM part
368  */
369 
370 static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
371                                       int cmd)
372 {
373         struct fm801 *chip = snd_pcm_substream_chip(substream);
374 
375         spin_lock(&chip->reg_lock);
376         switch (cmd) {
377         case SNDRV_PCM_TRIGGER_START:
378                 chip->ply_ctrl &= ~(FM801_BUF1_LAST |
379                                      FM801_BUF2_LAST |
380                                      FM801_PAUSE);
381                 chip->ply_ctrl |= FM801_START |
382                                    FM801_IMMED_STOP;
383                 break;
384         case SNDRV_PCM_TRIGGER_STOP:
385                 chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
386                 break;
387         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
388         case SNDRV_PCM_TRIGGER_SUSPEND:
389                 chip->ply_ctrl |= FM801_PAUSE;
390                 break;
391         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
392         case SNDRV_PCM_TRIGGER_RESUME:
393                 chip->ply_ctrl &= ~FM801_PAUSE;
394                 break;
395         default:
396                 spin_unlock(&chip->reg_lock);
397                 snd_BUG();
398                 return -EINVAL;
399         }
400         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
401         spin_unlock(&chip->reg_lock);
402         return 0;
403 }
404 
405 static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
406                                      int cmd)
407 {
408         struct fm801 *chip = snd_pcm_substream_chip(substream);
409 
410         spin_lock(&chip->reg_lock);
411         switch (cmd) {
412         case SNDRV_PCM_TRIGGER_START:
413                 chip->cap_ctrl &= ~(FM801_BUF1_LAST |
414                                      FM801_BUF2_LAST |
415                                      FM801_PAUSE);
416                 chip->cap_ctrl |= FM801_START |
417                                    FM801_IMMED_STOP;
418                 break;
419         case SNDRV_PCM_TRIGGER_STOP:
420                 chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
421                 break;
422         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
423         case SNDRV_PCM_TRIGGER_SUSPEND:
424                 chip->cap_ctrl |= FM801_PAUSE;
425                 break;
426         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
427         case SNDRV_PCM_TRIGGER_RESUME:
428                 chip->cap_ctrl &= ~FM801_PAUSE;
429                 break;
430         default:
431                 spin_unlock(&chip->reg_lock);
432                 snd_BUG();
433                 return -EINVAL;
434         }
435         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
436         spin_unlock(&chip->reg_lock);
437         return 0;
438 }
439 
440 static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
441                                struct snd_pcm_hw_params *hw_params)
442 {
443         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
444 }
445 
446 static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
447 {
448         return snd_pcm_lib_free_pages(substream);
449 }
450 
451 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
452 {
453         struct fm801 *chip = snd_pcm_substream_chip(substream);
454         struct snd_pcm_runtime *runtime = substream->runtime;
455 
456         chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
457         chip->ply_count = snd_pcm_lib_period_bytes(substream);
458         spin_lock_irq(&chip->reg_lock);
459         chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
460                              FM801_STEREO | FM801_RATE_MASK |
461                              FM801_CHANNELS_MASK);
462         if (snd_pcm_format_width(runtime->format) == 16)
463                 chip->ply_ctrl |= FM801_16BIT;
464         if (runtime->channels > 1) {
465                 chip->ply_ctrl |= FM801_STEREO;
466                 if (runtime->channels == 4)
467                         chip->ply_ctrl |= FM801_CHANNELS_4;
468                 else if (runtime->channels == 6)
469                         chip->ply_ctrl |= FM801_CHANNELS_6;
470         }
471         chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
472         chip->ply_buf = 0;
473         fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
474         fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
475         chip->ply_buffer = runtime->dma_addr;
476         chip->ply_pos = 0;
477         fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
478         fm801_writel(chip, PLY_BUF2,
479                      chip->ply_buffer + (chip->ply_count % chip->ply_size));
480         spin_unlock_irq(&chip->reg_lock);
481         return 0;
482 }
483 
484 static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
485 {
486         struct fm801 *chip = snd_pcm_substream_chip(substream);
487         struct snd_pcm_runtime *runtime = substream->runtime;
488 
489         chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
490         chip->cap_count = snd_pcm_lib_period_bytes(substream);
491         spin_lock_irq(&chip->reg_lock);
492         chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
493                              FM801_STEREO | FM801_RATE_MASK);
494         if (snd_pcm_format_width(runtime->format) == 16)
495                 chip->cap_ctrl |= FM801_16BIT;
496         if (runtime->channels > 1)
497                 chip->cap_ctrl |= FM801_STEREO;
498         chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
499         chip->cap_buf = 0;
500         fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
501         fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
502         chip->cap_buffer = runtime->dma_addr;
503         chip->cap_pos = 0;
504         fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
505         fm801_writel(chip, CAP_BUF2,
506                      chip->cap_buffer + (chip->cap_count % chip->cap_size));
507         spin_unlock_irq(&chip->reg_lock);
508         return 0;
509 }
510 
511 static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
512 {
513         struct fm801 *chip = snd_pcm_substream_chip(substream);
514         size_t ptr;
515 
516         if (!(chip->ply_ctrl & FM801_START))
517                 return 0;
518         spin_lock(&chip->reg_lock);
519         ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
520         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
521                 ptr += chip->ply_count;
522                 ptr %= chip->ply_size;
523         }
524         spin_unlock(&chip->reg_lock);
525         return bytes_to_frames(substream->runtime, ptr);
526 }
527 
528 static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
529 {
530         struct fm801 *chip = snd_pcm_substream_chip(substream);
531         size_t ptr;
532 
533         if (!(chip->cap_ctrl & FM801_START))
534                 return 0;
535         spin_lock(&chip->reg_lock);
536         ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
537         if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
538                 ptr += chip->cap_count;
539                 ptr %= chip->cap_size;
540         }
541         spin_unlock(&chip->reg_lock);
542         return bytes_to_frames(substream->runtime, ptr);
543 }
544 
545 static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
546 {
547         struct fm801 *chip = dev_id;
548         unsigned short status;
549         unsigned int tmp;
550 
551         status = fm801_readw(chip, IRQ_STATUS);
552         status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
553         if (! status)
554                 return IRQ_NONE;
555         /* ack first */
556         fm801_writew(chip, IRQ_STATUS, status);
557         if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
558                 spin_lock(&chip->reg_lock);
559                 chip->ply_buf++;
560                 chip->ply_pos += chip->ply_count;
561                 chip->ply_pos %= chip->ply_size;
562                 tmp = chip->ply_pos + chip->ply_count;
563                 tmp %= chip->ply_size;
564                 if (chip->ply_buf & 1)
565                         fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
566                 else
567                         fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
568                 spin_unlock(&chip->reg_lock);
569                 snd_pcm_period_elapsed(chip->playback_substream);
570         }
571         if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
572                 spin_lock(&chip->reg_lock);
573                 chip->cap_buf++;
574                 chip->cap_pos += chip->cap_count;
575                 chip->cap_pos %= chip->cap_size;
576                 tmp = chip->cap_pos + chip->cap_count;
577                 tmp %= chip->cap_size;
578                 if (chip->cap_buf & 1)
579                         fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
580                 else
581                         fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
582                 spin_unlock(&chip->reg_lock);
583                 snd_pcm_period_elapsed(chip->capture_substream);
584         }
585         if (chip->rmidi && (status & FM801_IRQ_MPU))
586                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
587         if (status & FM801_IRQ_VOLUME)
588                 ;/* TODO */
589 
590         return IRQ_HANDLED;
591 }
592 
593 static struct snd_pcm_hardware snd_fm801_playback =
594 {
595         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
596                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
597                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
598                                  SNDRV_PCM_INFO_MMAP_VALID),
599         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
600         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
601         .rate_min =             5500,
602         .rate_max =             48000,
603         .channels_min =         1,
604         .channels_max =         2,
605         .buffer_bytes_max =     (128*1024),
606         .period_bytes_min =     64,
607         .period_bytes_max =     (128*1024),
608         .periods_min =          1,
609         .periods_max =          1024,
610         .fifo_size =            0,
611 };
612 
613 static struct snd_pcm_hardware snd_fm801_capture =
614 {
615         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
616                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
617                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
618                                  SNDRV_PCM_INFO_MMAP_VALID),
619         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
620         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
621         .rate_min =             5500,
622         .rate_max =             48000,
623         .channels_min =         1,
624         .channels_max =         2,
625         .buffer_bytes_max =     (128*1024),
626         .period_bytes_min =     64,
627         .period_bytes_max =     (128*1024),
628         .periods_min =          1,
629         .periods_max =          1024,
630         .fifo_size =            0,
631 };
632 
633 static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
634 {
635         struct fm801 *chip = snd_pcm_substream_chip(substream);
636         struct snd_pcm_runtime *runtime = substream->runtime;
637         int err;
638 
639         chip->playback_substream = substream;
640         runtime->hw = snd_fm801_playback;
641         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
642                                    &hw_constraints_rates);
643         if (chip->multichannel) {
644                 runtime->hw.channels_max = 6;
645                 snd_pcm_hw_constraint_list(runtime, 0,
646                                            SNDRV_PCM_HW_PARAM_CHANNELS,
647                                            &hw_constraints_channels);
648         }
649         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
650                 return err;
651         return 0;
652 }
653 
654 static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
655 {
656         struct fm801 *chip = snd_pcm_substream_chip(substream);
657         struct snd_pcm_runtime *runtime = substream->runtime;
658         int err;
659 
660         chip->capture_substream = substream;
661         runtime->hw = snd_fm801_capture;
662         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
663                                    &hw_constraints_rates);
664         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
665                 return err;
666         return 0;
667 }
668 
669 static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
670 {
671         struct fm801 *chip = snd_pcm_substream_chip(substream);
672 
673         chip->playback_substream = NULL;
674         return 0;
675 }
676 
677 static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
678 {
679         struct fm801 *chip = snd_pcm_substream_chip(substream);
680 
681         chip->capture_substream = NULL;
682         return 0;
683 }
684 
685 static struct snd_pcm_ops snd_fm801_playback_ops = {
686         .open =         snd_fm801_playback_open,
687         .close =        snd_fm801_playback_close,
688         .ioctl =        snd_pcm_lib_ioctl,
689         .hw_params =    snd_fm801_hw_params,
690         .hw_free =      snd_fm801_hw_free,
691         .prepare =      snd_fm801_playback_prepare,
692         .trigger =      snd_fm801_playback_trigger,
693         .pointer =      snd_fm801_playback_pointer,
694 };
695 
696 static struct snd_pcm_ops snd_fm801_capture_ops = {
697         .open =         snd_fm801_capture_open,
698         .close =        snd_fm801_capture_close,
699         .ioctl =        snd_pcm_lib_ioctl,
700         .hw_params =    snd_fm801_hw_params,
701         .hw_free =      snd_fm801_hw_free,
702         .prepare =      snd_fm801_capture_prepare,
703         .trigger =      snd_fm801_capture_trigger,
704         .pointer =      snd_fm801_capture_pointer,
705 };
706 
707 static int snd_fm801_pcm(struct fm801 *chip, int device, struct snd_pcm **rpcm)
708 {
709         struct snd_pcm *pcm;
710         int err;
711 
712         if (rpcm)
713                 *rpcm = NULL;
714         if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
715                 return err;
716 
717         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
718         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
719 
720         pcm->private_data = chip;
721         pcm->info_flags = 0;
722         strcpy(pcm->name, "FM801");
723         chip->pcm = pcm;
724 
725         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
726                                               snd_dma_pci_data(chip->pci),
727                                               chip->multichannel ? 128*1024 : 64*1024, 128*1024);
728 
729         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
730                                      snd_pcm_alt_chmaps,
731                                      chip->multichannel ? 6 : 2, 0,
732                                      NULL);
733         if (err < 0)
734                 return err;
735 
736         if (rpcm)
737                 *rpcm = pcm;
738         return 0;
739 }
740 
741 /*
742  *  TEA5757 radio
743  */
744 
745 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
746 
747 /* GPIO to TEA575x maps */
748 struct snd_fm801_tea575x_gpio {
749         u8 data, clk, wren, most;
750         char *name;
751 };
752 
753 static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
754         { .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
755         { .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
756         { .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
757 };
758 
759 #define get_tea575x_gpio(chip) \
760         (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
761 
762 static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
763 {
764         struct fm801 *chip = tea->private_data;
765         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
766         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
767 
768         reg &= ~(FM801_GPIO_GP(gpio.data) |
769                  FM801_GPIO_GP(gpio.clk) |
770                  FM801_GPIO_GP(gpio.wren));
771 
772         reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
773         reg |= (pins & TEA575X_CLK)  ? FM801_GPIO_GP(gpio.clk) : 0;
774         /* WRITE_ENABLE is inverted */
775         reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
776 
777         fm801_writew(chip, GPIO_CTRL, reg);
778 }
779 
780 static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
781 {
782         struct fm801 *chip = tea->private_data;
783         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
784         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
785         u8 ret;
786 
787         ret = 0;
788         if (reg & FM801_GPIO_GP(gpio.data))
789                 ret |= TEA575X_DATA;
790         if (reg & FM801_GPIO_GP(gpio.most))
791                 ret |= TEA575X_MOST;
792         return ret;
793 }
794 
795 static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
796 {
797         struct fm801 *chip = tea->private_data;
798         unsigned short reg = fm801_readw(chip, GPIO_CTRL);
799         struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
800 
801         /* use GPIO lines and set write enable bit */
802         reg |= FM801_GPIO_GS(gpio.data) |
803                FM801_GPIO_GS(gpio.wren) |
804                FM801_GPIO_GS(gpio.clk) |
805                FM801_GPIO_GS(gpio.most);
806         if (output) {
807                 /* all of lines are in the write direction */
808                 /* clear data and clock lines */
809                 reg &= ~(FM801_GPIO_GD(gpio.data) |
810                          FM801_GPIO_GD(gpio.wren) |
811                          FM801_GPIO_GD(gpio.clk) |
812                          FM801_GPIO_GP(gpio.data) |
813                          FM801_GPIO_GP(gpio.clk) |
814                          FM801_GPIO_GP(gpio.wren));
815         } else {
816                 /* use GPIO lines, set data direction to input */
817                 reg |= FM801_GPIO_GD(gpio.data) |
818                        FM801_GPIO_GD(gpio.most) |
819                        FM801_GPIO_GP(gpio.data) |
820                        FM801_GPIO_GP(gpio.most) |
821                        FM801_GPIO_GP(gpio.wren);
822                 /* all of lines are in the write direction, except data */
823                 /* clear data, write enable and clock lines */
824                 reg &= ~(FM801_GPIO_GD(gpio.wren) |
825                          FM801_GPIO_GD(gpio.clk) |
826                          FM801_GPIO_GP(gpio.clk));
827         }
828 
829         fm801_writew(chip, GPIO_CTRL, reg);
830 }
831 
832 static struct snd_tea575x_ops snd_fm801_tea_ops = {
833         .set_pins = snd_fm801_tea575x_set_pins,
834         .get_pins = snd_fm801_tea575x_get_pins,
835         .set_direction = snd_fm801_tea575x_set_direction,
836 };
837 #endif
838 
839 /*
840  *  Mixer routines
841  */
842 
843 #define FM801_SINGLE(xname, reg, shift, mask, invert) \
844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
845   .get = snd_fm801_get_single, .put = snd_fm801_put_single, \
846   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
847 
848 static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
849                                  struct snd_ctl_elem_info *uinfo)
850 {
851         int mask = (kcontrol->private_value >> 16) & 0xff;
852 
853         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
854         uinfo->count = 1;
855         uinfo->value.integer.min = 0;
856         uinfo->value.integer.max = mask;
857         return 0;
858 }
859 
860 static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
861                                 struct snd_ctl_elem_value *ucontrol)
862 {
863         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
864         int reg = kcontrol->private_value & 0xff;
865         int shift = (kcontrol->private_value >> 8) & 0xff;
866         int mask = (kcontrol->private_value >> 16) & 0xff;
867         int invert = (kcontrol->private_value >> 24) & 0xff;
868 
869         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;
870         if (invert)
871                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
872         return 0;
873 }
874 
875 static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
876                                 struct snd_ctl_elem_value *ucontrol)
877 {
878         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
879         int reg = kcontrol->private_value & 0xff;
880         int shift = (kcontrol->private_value >> 8) & 0xff;
881         int mask = (kcontrol->private_value >> 16) & 0xff;
882         int invert = (kcontrol->private_value >> 24) & 0xff;
883         unsigned short val;
884 
885         val = (ucontrol->value.integer.value[0] & mask);
886         if (invert)
887                 val = mask - val;
888         return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
889 }
890 
891 #define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
892 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
893   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
894   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
895 #define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
896 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
897   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
898   .name = xname, .info = snd_fm801_info_double, \
899   .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
900   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
901   .tlv = { .p = (xtlv) } }
902 
903 static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
904                                  struct snd_ctl_elem_info *uinfo)
905 {
906         int mask = (kcontrol->private_value >> 16) & 0xff;
907 
908         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
909         uinfo->count = 2;
910         uinfo->value.integer.min = 0;
911         uinfo->value.integer.max = mask;
912         return 0;
913 }
914 
915 static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
916                                 struct snd_ctl_elem_value *ucontrol)
917 {
918         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
919         int reg = kcontrol->private_value & 0xff;
920         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
921         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
922         int mask = (kcontrol->private_value >> 16) & 0xff;
923         int invert = (kcontrol->private_value >> 24) & 0xff;
924 
925         spin_lock_irq(&chip->reg_lock);
926         ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;
927         ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;
928         spin_unlock_irq(&chip->reg_lock);
929         if (invert) {
930                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
931                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
932         }
933         return 0;
934 }
935 
936 static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
937                                 struct snd_ctl_elem_value *ucontrol)
938 {
939         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
940         int reg = kcontrol->private_value & 0xff;
941         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
942         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
943         int mask = (kcontrol->private_value >> 16) & 0xff;
944         int invert = (kcontrol->private_value >> 24) & 0xff;
945         unsigned short val1, val2;
946  
947         val1 = ucontrol->value.integer.value[0] & mask;
948         val2 = ucontrol->value.integer.value[1] & mask;
949         if (invert) {
950                 val1 = mask - val1;
951                 val2 = mask - val2;
952         }
953         return snd_fm801_update_bits(chip, reg,
954                                      (mask << shift_left) | (mask << shift_right),
955                                      (val1 << shift_left ) | (val2 << shift_right));
956 }
957 
958 static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
959                               struct snd_ctl_elem_info *uinfo)
960 {
961         static char *texts[5] = {
962                 "AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
963         };
964  
965         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
966         uinfo->count = 1;
967         uinfo->value.enumerated.items = 5;
968         if (uinfo->value.enumerated.item > 4)
969                 uinfo->value.enumerated.item = 4;
970         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
971         return 0;
972 }
973 
974 static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
975                              struct snd_ctl_elem_value *ucontrol)
976 {
977         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
978         unsigned short val;
979  
980         val = fm801_readw(chip, REC_SRC) & 7;
981         if (val > 4)
982                 val = 4;
983         ucontrol->value.enumerated.item[0] = val;
984         return 0;
985 }
986 
987 static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
988                              struct snd_ctl_elem_value *ucontrol)
989 {
990         struct fm801 *chip = snd_kcontrol_chip(kcontrol);
991         unsigned short val;
992  
993         if ((val = ucontrol->value.enumerated.item[0]) > 4)
994                 return -EINVAL;
995         return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
996 }
997 
998 static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
999 
1000 #define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
1001 
1002 static struct snd_kcontrol_new snd_fm801_controls[] = {
1003 FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
1004                  db_scale_dsp),
1005 FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
1006 FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
1007                  db_scale_dsp),
1008 FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
1009 FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
1010                  db_scale_dsp),
1011 FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
1012 {
1013         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1014         .name = "Digital Capture Source",
1015         .info = snd_fm801_info_mux,
1016         .get = snd_fm801_get_mux,
1017         .put = snd_fm801_put_mux,
1018 }
1019 };
1020 
1021 #define FM801_CONTROLS_MULTI ARRAY_SIZE(snd_fm801_controls_multi)
1022 
1023 static struct snd_kcontrol_new snd_fm801_controls_multi[] = {
1024 FM801_SINGLE("AC97 2ch->4ch Copy Switch", FM801_CODEC_CTRL, 7, 1, 0),
1025 FM801_SINGLE("AC97 18-bit Switch", FM801_CODEC_CTRL, 10, 1, 0),
1026 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), FM801_I2S_MODE, 8, 1, 0),
1027 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",PLAYBACK,SWITCH), FM801_I2S_MODE, 9, 1, 0),
1028 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("Raw Data ",CAPTURE,SWITCH), FM801_I2S_MODE, 10, 1, 0),
1029 FM801_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), FM801_GEN_CTRL, 2, 1, 0),
1030 };
1031 
1032 static void snd_fm801_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1033 {
1034         struct fm801 *chip = bus->private_data;
1035         chip->ac97_bus = NULL;
1036 }
1037 
1038 static void snd_fm801_mixer_free_ac97(struct snd_ac97 *ac97)
1039 {
1040         struct fm801 *chip = ac97->private_data;
1041         if (ac97->num == 0) {
1042                 chip->ac97 = NULL;
1043         } else {
1044                 chip->ac97_sec = NULL;
1045         }
1046 }
1047 
1048 static int snd_fm801_mixer(struct fm801 *chip)
1049 {
1050         struct snd_ac97_template ac97;
1051         unsigned int i;
1052         int err;
1053         static struct snd_ac97_bus_ops ops = {
1054                 .write = snd_fm801_codec_write,
1055                 .read = snd_fm801_codec_read,
1056         };
1057 
1058         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1059                 return err;
1060         chip->ac97_bus->private_free = snd_fm801_mixer_free_ac97_bus;
1061 
1062         memset(&ac97, 0, sizeof(ac97));
1063         ac97.private_data = chip;
1064         ac97.private_free = snd_fm801_mixer_free_ac97;
1065         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1066                 return err;
1067         if (chip->secondary) {
1068                 ac97.num = 1;
1069                 ac97.addr = chip->secondary_addr;
1070                 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97_sec)) < 0)
1071                         return err;
1072         }
1073         for (i = 0; i < FM801_CONTROLS; i++)
1074                 snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls[i], chip));
1075         if (chip->multichannel) {
1076                 for (i = 0; i < FM801_CONTROLS_MULTI; i++)
1077                         snd_ctl_add(chip->card, snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
1078         }
1079         return 0;
1080 }
1081 
1082 /*
1083  *  initialization routines
1084  */
1085 
1086 static int wait_for_codec(struct fm801 *chip, unsigned int codec_id,
1087                           unsigned short reg, unsigned long waits)
1088 {
1089         unsigned long timeout = jiffies + waits;
1090 
1091         fm801_writew(chip, AC97_CMD,
1092                      reg | (codec_id << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
1093         udelay(5);
1094         do {
1095                 if ((fm801_readw(chip, AC97_CMD) &
1096                      (FM801_AC97_VALID | FM801_AC97_BUSY)) == FM801_AC97_VALID)
1097                         return 0;
1098                 schedule_timeout_uninterruptible(1);
1099         } while (time_after(timeout, jiffies));
1100         return -EIO;
1101 }
1102 
1103 static int snd_fm801_chip_init(struct fm801 *chip, int resume)
1104 {
1105         unsigned short cmdw;
1106 
1107         if (chip->tea575x_tuner & TUNER_ONLY)
1108                 goto __ac97_ok;
1109 
1110         /* codec cold reset + AC'97 warm reset */
1111         fm801_writew(chip, CODEC_CTRL, (1 << 5) | (1 << 6));
1112         fm801_readw(chip, CODEC_CTRL); /* flush posting data */
1113         udelay(100);
1114         fm801_writew(chip, CODEC_CTRL, 0);
1115 
1116         if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0)
1117                 if (!resume) {
1118                         dev_info(chip->card->dev,
1119                                  "Primary AC'97 codec not found, assume SF64-PCR (tuner-only)\n");
1120                         chip->tea575x_tuner = 3 | TUNER_ONLY;
1121                         goto __ac97_ok;
1122                 }
1123 
1124         if (chip->multichannel) {
1125                 if (chip->secondary_addr) {
1126                         wait_for_codec(chip, chip->secondary_addr,
1127                                        AC97_VENDOR_ID1, msecs_to_jiffies(50));
1128                 } else {
1129                         /* my card has the secondary codec */
1130                         /* at address #3, so the loop is inverted */
1131                         int i;
1132                         for (i = 3; i > 0; i--) {
1133                                 if (!wait_for_codec(chip, i, AC97_VENDOR_ID1,
1134                                                      msecs_to_jiffies(50))) {
1135                                         cmdw = fm801_readw(chip, AC97_DATA);
1136                                         if (cmdw != 0xffff && cmdw != 0) {
1137                                                 chip->secondary = 1;
1138                                                 chip->secondary_addr = i;
1139                                                 break;
1140                                         }
1141                                 }
1142                         }
1143                 }
1144 
1145                 /* the recovery phase, it seems that probing for non-existing codec might */
1146                 /* cause timeout problems */
1147                 wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
1148         }
1149 
1150       __ac97_ok:
1151 
1152         /* init volume */
1153         fm801_writew(chip, PCM_VOL, 0x0808);
1154         fm801_writew(chip, FM_VOL, 0x9f1f);
1155         fm801_writew(chip, I2S_VOL, 0x8808);
1156 
1157         /* I2S control - I2S mode */
1158         fm801_writew(chip, I2S_MODE, 0x0003);
1159 
1160         /* interrupt setup */
1161         cmdw = fm801_readw(chip, IRQ_MASK);
1162         if (chip->irq < 0)
1163                 cmdw |= 0x00c3;         /* mask everything, no PCM nor MPU */
1164         else
1165                 cmdw &= ~0x0083;        /* unmask MPU, PLAYBACK & CAPTURE */
1166         fm801_writew(chip, IRQ_MASK, cmdw);
1167 
1168         /* interrupt clear */
1169         fm801_writew(chip, IRQ_STATUS,
1170                      FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
1171 
1172         return 0;
1173 }
1174 
1175 
1176 static int snd_fm801_free(struct fm801 *chip)
1177 {
1178         unsigned short cmdw;
1179 
1180         if (chip->irq < 0)
1181                 goto __end_hw;
1182 
1183         /* interrupt setup - mask everything */
1184         cmdw = fm801_readw(chip, IRQ_MASK);
1185         cmdw |= 0x00c3;
1186         fm801_writew(chip, IRQ_MASK, cmdw);
1187 
1188       __end_hw:
1189 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1190         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1191                 snd_tea575x_exit(&chip->tea);
1192                 v4l2_device_unregister(&chip->v4l2_dev);
1193         }
1194 #endif
1195         if (chip->irq >= 0)
1196                 free_irq(chip->irq, chip);
1197         pci_release_regions(chip->pci);
1198         pci_disable_device(chip->pci);
1199 
1200         kfree(chip);
1201         return 0;
1202 }
1203 
1204 static int snd_fm801_dev_free(struct snd_device *device)
1205 {
1206         struct fm801 *chip = device->device_data;
1207         return snd_fm801_free(chip);
1208 }
1209 
1210 static int snd_fm801_create(struct snd_card *card,
1211                             struct pci_dev *pci,
1212                             int tea575x_tuner,
1213                             int radio_nr,
1214                             struct fm801 **rchip)
1215 {
1216         struct fm801 *chip;
1217         int err;
1218         static struct snd_device_ops ops = {
1219                 .dev_free =     snd_fm801_dev_free,
1220         };
1221 
1222         *rchip = NULL;
1223         if ((err = pci_enable_device(pci)) < 0)
1224                 return err;
1225         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1226         if (chip == NULL) {
1227                 pci_disable_device(pci);
1228                 return -ENOMEM;
1229         }
1230         spin_lock_init(&chip->reg_lock);
1231         chip->card = card;
1232         chip->pci = pci;
1233         chip->irq = -1;
1234         chip->tea575x_tuner = tea575x_tuner;
1235         if ((err = pci_request_regions(pci, "FM801")) < 0) {
1236                 kfree(chip);
1237                 pci_disable_device(pci);
1238                 return err;
1239         }
1240         chip->port = pci_resource_start(pci, 0);
1241         if ((tea575x_tuner & TUNER_ONLY) == 0) {
1242                 if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_SHARED,
1243                                 KBUILD_MODNAME, chip)) {
1244                         dev_err(card->dev, "unable to grab IRQ %d\n", chip->irq);
1245                         snd_fm801_free(chip);
1246                         return -EBUSY;
1247                 }
1248                 chip->irq = pci->irq;
1249                 pci_set_master(pci);
1250         }
1251 
1252         if (pci->revision >= 0xb1)      /* FM801-AU */
1253                 chip->multichannel = 1;
1254 
1255         snd_fm801_chip_init(chip, 0);
1256         /* init might set tuner access method */
1257         tea575x_tuner = chip->tea575x_tuner;
1258 
1259         if (chip->irq >= 0 && (tea575x_tuner & TUNER_ONLY)) {
1260                 pci_clear_master(pci);
1261                 free_irq(chip->irq, chip);
1262                 chip->irq = -1;
1263         }
1264 
1265         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1266                 snd_fm801_free(chip);
1267                 return err;
1268         }
1269 
1270 #ifdef CONFIG_SND_FM801_TEA575X_BOOL
1271         err = v4l2_device_register(&pci->dev, &chip->v4l2_dev);
1272         if (err < 0) {
1273                 snd_fm801_free(chip);
1274                 return err;
1275         }
1276         chip->tea.v4l2_dev = &chip->v4l2_dev;
1277         chip->tea.radio_nr = radio_nr;
1278         chip->tea.private_data = chip;
1279         chip->tea.ops = &snd_fm801_tea_ops;
1280         sprintf(chip->tea.bus_info, "PCI:%s", pci_name(pci));
1281         if ((tea575x_tuner & TUNER_TYPE_MASK) > 0 &&
1282             (tea575x_tuner & TUNER_TYPE_MASK) < 4) {
1283                 if (snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1284                         dev_err(card->dev, "TEA575x radio not found\n");
1285                         snd_fm801_free(chip);
1286                         return -ENODEV;
1287                 }
1288         } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
1289                 /* autodetect tuner connection */
1290                 for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
1291                         chip->tea575x_tuner = tea575x_tuner;
1292                         if (!snd_tea575x_init(&chip->tea, THIS_MODULE)) {
1293                                 dev_info(card->dev,
1294                                          "detected TEA575x radio type %s\n",
1295                                            get_tea575x_gpio(chip)->name);
1296                                 break;
1297                         }
1298                 }
1299                 if (tea575x_tuner == 4) {
1300                         dev_err(card->dev, "TEA575x radio not found\n");
1301                         chip->tea575x_tuner = TUNER_DISABLED;
1302                 }
1303         }
1304         if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
1305                 strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
1306                         sizeof(chip->tea.card));
1307         }
1308 #endif
1309 
1310         *rchip = chip;
1311         return 0;
1312 }
1313 
1314 static int snd_card_fm801_probe(struct pci_dev *pci,
1315                                 const struct pci_device_id *pci_id)
1316 {
1317         static int dev;
1318         struct snd_card *card;
1319         struct fm801 *chip;
1320         struct snd_opl3 *opl3;
1321         int err;
1322 
1323         if (dev >= SNDRV_CARDS)
1324                 return -ENODEV;
1325         if (!enable[dev]) {
1326                 dev++;
1327                 return -ENOENT;
1328         }
1329 
1330         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1331                            0, &card);
1332         if (err < 0)
1333                 return err;
1334         if ((err = snd_fm801_create(card, pci, tea575x_tuner[dev], radio_nr[dev], &chip)) < 0) {
1335                 snd_card_free(card);
1336                 return err;
1337         }
1338         card->private_data = chip;
1339 
1340         strcpy(card->driver, "FM801");
1341         strcpy(card->shortname, "ForteMedia FM801-");
1342         strcat(card->shortname, chip->multichannel ? "AU" : "AS");
1343         sprintf(card->longname, "%s at 0x%lx, irq %i",
1344                 card->shortname, chip->port, chip->irq);
1345 
1346         if (chip->tea575x_tuner & TUNER_ONLY)
1347                 goto __fm801_tuner_only;
1348 
1349         if ((err = snd_fm801_pcm(chip, 0, NULL)) < 0) {
1350                 snd_card_free(card);
1351                 return err;
1352         }
1353         if ((err = snd_fm801_mixer(chip)) < 0) {
1354                 snd_card_free(card);
1355                 return err;
1356         }
1357         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_FM801,
1358                                        chip->port + FM801_MPU401_DATA,
1359                                        MPU401_INFO_INTEGRATED |
1360                                        MPU401_INFO_IRQ_HOOK,
1361                                        -1, &chip->rmidi)) < 0) {
1362                 snd_card_free(card);
1363                 return err;
1364         }
1365         if ((err = snd_opl3_create(card, chip->port + FM801_OPL3_BANK0,
1366                                    chip->port + FM801_OPL3_BANK1,
1367                                    OPL3_HW_OPL3_FM801, 1, &opl3)) < 0) {
1368                 snd_card_free(card);
1369                 return err;
1370         }
1371         if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
1372                 snd_card_free(card);
1373                 return err;
1374         }
1375 
1376       __fm801_tuner_only:
1377         if ((err = snd_card_register(card)) < 0) {
1378                 snd_card_free(card);
1379                 return err;
1380         }
1381         pci_set_drvdata(pci, card);
1382         dev++;
1383         return 0;
1384 }
1385 
1386 static void snd_card_fm801_remove(struct pci_dev *pci)
1387 {
1388         snd_card_free(pci_get_drvdata(pci));
1389 }
1390 
1391 #ifdef CONFIG_PM_SLEEP
1392 static unsigned char saved_regs[] = {
1393         FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
1394         FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
1395         FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2,
1396         FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL,
1397 };
1398 
1399 static int snd_fm801_suspend(struct device *dev)
1400 {
1401         struct pci_dev *pci = to_pci_dev(dev);
1402         struct snd_card *card = dev_get_drvdata(dev);
1403         struct fm801 *chip = card->private_data;
1404         int i;
1405 
1406         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1407         snd_pcm_suspend_all(chip->pcm);
1408         snd_ac97_suspend(chip->ac97);
1409         snd_ac97_suspend(chip->ac97_sec);
1410         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1411                 chip->saved_regs[i] = inw(chip->port + saved_regs[i]);
1412         /* FIXME: tea575x suspend */
1413 
1414         pci_disable_device(pci);
1415         pci_save_state(pci);
1416         pci_set_power_state(pci, PCI_D3hot);
1417         return 0;
1418 }
1419 
1420 static int snd_fm801_resume(struct device *dev)
1421 {
1422         struct pci_dev *pci = to_pci_dev(dev);
1423         struct snd_card *card = dev_get_drvdata(dev);
1424         struct fm801 *chip = card->private_data;
1425         int i;
1426 
1427         pci_set_power_state(pci, PCI_D0);
1428         pci_restore_state(pci);
1429         if (pci_enable_device(pci) < 0) {
1430                 dev_err(dev, "pci_enable_device failed, disabling device\n");
1431                 snd_card_disconnect(card);
1432                 return -EIO;
1433         }
1434         pci_set_master(pci);
1435 
1436         snd_fm801_chip_init(chip, 1);
1437         snd_ac97_resume(chip->ac97);
1438         snd_ac97_resume(chip->ac97_sec);
1439         for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
1440                 outw(chip->saved_regs[i], chip->port + saved_regs[i]);
1441 
1442         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1443         return 0;
1444 }
1445 
1446 static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
1447 #define SND_FM801_PM_OPS        &snd_fm801_pm
1448 #else
1449 #define SND_FM801_PM_OPS        NULL
1450 #endif /* CONFIG_PM_SLEEP */
1451 
1452 static struct pci_driver fm801_driver = {
1453         .name = KBUILD_MODNAME,
1454         .id_table = snd_fm801_ids,
1455         .probe = snd_card_fm801_probe,
1456         .remove = snd_card_fm801_remove,
1457         .driver = {
1458                 .pm = SND_FM801_PM_OPS,
1459         },
1460 };
1461 
1462 module_pci_driver(fm801_driver);
1463 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us