1 /* Analog Devices 1889 audio driver
3 * This is a driver for the AD1889 PCI audio chipset found
4 * on the HP PA-RISC [BCJ]-xxx0 workstations.
6 * Copyright (C) 2004-2005, Kyle McMartin <kyle@parisc-linux.org>
7 * Copyright (C) 2005, Thibaut Varene <varenet@parisc-linux.org>
8 * Based on the OSS AD1889 driver by Randolph Chung <tausq@debian.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License, version 2, as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 * Do we need to take care of CCS register?
25 * Maybe we could use finer grained locking (separate locks for pb/cap)?
27 * Control Interface (mixer) support
28 * Better AC97 support (VSR...)?
32 * SG DMA support (this will need *a lot* of work)
35 #include <linux/init.h>
36 #include <linux/pci.h>
37 #include <linux/dma-mapping.h>
38 #include <linux/slab.h>
39 #include <linux/interrupt.h>
40 #include <linux/compiler.h>
41 #include <linux/delay.h>
42 #include <linux/module.h>
45 #include <sound/core.h>
46 #include <sound/pcm.h>
47 #include <sound/initval.h>
48 #include <sound/ac97_codec.h>
51 #include "ac97/ac97_id.h"
53 #define AD1889_DRVVER "Version: 1.7"
55 MODULE_AUTHOR("Kyle McMartin <kyle@parisc-linux.org>, Thibaut Varene <t-bone@parisc-linux.org>");
56 MODULE_DESCRIPTION("Analog Devices AD1889 ALSA sound driver");
57 MODULE_LICENSE("GPL");
58 MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1889}}");
60 static int index
[SNDRV_CARDS
] = SNDRV_DEFAULT_IDX
;
61 module_param_array(index
, int, NULL
, 0444);
62 MODULE_PARM_DESC(index
, "Index value for the AD1889 soundcard.");
64 static char *id
[SNDRV_CARDS
] = SNDRV_DEFAULT_STR
;
65 module_param_array(id
, charp
, NULL
, 0444);
66 MODULE_PARM_DESC(id
, "ID string for the AD1889 soundcard.");
68 static bool enable
[SNDRV_CARDS
] = SNDRV_DEFAULT_ENABLE_PNP
;
69 module_param_array(enable
, bool, NULL
, 0444);
70 MODULE_PARM_DESC(enable
, "Enable AD1889 soundcard.");
72 static char *ac97_quirk
[SNDRV_CARDS
];
73 module_param_array(ac97_quirk
, charp
, NULL
, 0444);
74 MODULE_PARM_DESC(ac97_quirk
, "AC'97 workaround for strange hardware.");
76 #define DEVNAME "ad1889"
77 #define PFX DEVNAME ": "
79 /* keep track of some hw registers */
80 struct ad1889_register_state
{
81 u16 reg
; /* reg setup */
82 u32 addr
; /* dma base address */
83 unsigned long size
; /* DMA buffer size */
87 struct snd_card
*card
;
94 struct snd_ac97
*ac97
;
95 struct snd_ac97_bus
*ac97_bus
;
97 struct snd_info_entry
*proc
;
99 struct snd_pcm_substream
*psubs
;
100 struct snd_pcm_substream
*csubs
;
102 /* playback register state */
103 struct ad1889_register_state wave
;
104 struct ad1889_register_state ramc
;
110 ad1889_readw(struct snd_ad1889
*chip
, unsigned reg
)
112 return readw(chip
->iobase
+ reg
);
116 ad1889_writew(struct snd_ad1889
*chip
, unsigned reg
, u16 val
)
118 writew(val
, chip
->iobase
+ reg
);
122 ad1889_readl(struct snd_ad1889
*chip
, unsigned reg
)
124 return readl(chip
->iobase
+ reg
);
128 ad1889_writel(struct snd_ad1889
*chip
, unsigned reg
, u32 val
)
130 writel(val
, chip
->iobase
+ reg
);
134 ad1889_unmute(struct snd_ad1889
*chip
)
137 st
= ad1889_readw(chip
, AD_DS_WADA
) &
138 ~(AD_DS_WADA_RWAM
| AD_DS_WADA_LWAM
);
139 ad1889_writew(chip
, AD_DS_WADA
, st
);
140 ad1889_readw(chip
, AD_DS_WADA
);
144 ad1889_mute(struct snd_ad1889
*chip
)
147 st
= ad1889_readw(chip
, AD_DS_WADA
) | AD_DS_WADA_RWAM
| AD_DS_WADA_LWAM
;
148 ad1889_writew(chip
, AD_DS_WADA
, st
);
149 ad1889_readw(chip
, AD_DS_WADA
);
153 ad1889_load_adc_buffer_address(struct snd_ad1889
*chip
, u32 address
)
155 ad1889_writel(chip
, AD_DMA_ADCBA
, address
);
156 ad1889_writel(chip
, AD_DMA_ADCCA
, address
);
160 ad1889_load_adc_buffer_count(struct snd_ad1889
*chip
, u32 count
)
162 ad1889_writel(chip
, AD_DMA_ADCBC
, count
);
163 ad1889_writel(chip
, AD_DMA_ADCCC
, count
);
167 ad1889_load_adc_interrupt_count(struct snd_ad1889
*chip
, u32 count
)
169 ad1889_writel(chip
, AD_DMA_ADCIB
, count
);
170 ad1889_writel(chip
, AD_DMA_ADCIC
, count
);
174 ad1889_load_wave_buffer_address(struct snd_ad1889
*chip
, u32 address
)
176 ad1889_writel(chip
, AD_DMA_WAVBA
, address
);
177 ad1889_writel(chip
, AD_DMA_WAVCA
, address
);
181 ad1889_load_wave_buffer_count(struct snd_ad1889
*chip
, u32 count
)
183 ad1889_writel(chip
, AD_DMA_WAVBC
, count
);
184 ad1889_writel(chip
, AD_DMA_WAVCC
, count
);
188 ad1889_load_wave_interrupt_count(struct snd_ad1889
*chip
, u32 count
)
190 ad1889_writel(chip
, AD_DMA_WAVIB
, count
);
191 ad1889_writel(chip
, AD_DMA_WAVIC
, count
);
195 ad1889_channel_reset(struct snd_ad1889
*chip
, unsigned int channel
)
199 if (channel
& AD_CHAN_WAV
) {
200 /* Disable wave channel */
201 reg
= ad1889_readw(chip
, AD_DS_WSMC
) & ~AD_DS_WSMC_WAEN
;
202 ad1889_writew(chip
, AD_DS_WSMC
, reg
);
203 chip
->wave
.reg
= reg
;
206 reg
= ad1889_readw(chip
, AD_DMA_WAV
);
207 reg
&= AD_DMA_IM_DIS
;
209 ad1889_writew(chip
, AD_DMA_WAV
, reg
);
211 /* clear IRQ and address counters and pointers */
212 ad1889_load_wave_buffer_address(chip
, 0x0);
213 ad1889_load_wave_buffer_count(chip
, 0x0);
214 ad1889_load_wave_interrupt_count(chip
, 0x0);
217 ad1889_readw(chip
, AD_DMA_WAV
);
220 if (channel
& AD_CHAN_ADC
) {
221 /* Disable ADC channel */
222 reg
= ad1889_readw(chip
, AD_DS_RAMC
) & ~AD_DS_RAMC_ADEN
;
223 ad1889_writew(chip
, AD_DS_RAMC
, reg
);
224 chip
->ramc
.reg
= reg
;
226 reg
= ad1889_readw(chip
, AD_DMA_ADC
);
227 reg
&= AD_DMA_IM_DIS
;
229 ad1889_writew(chip
, AD_DMA_ADC
, reg
);
231 ad1889_load_adc_buffer_address(chip
, 0x0);
232 ad1889_load_adc_buffer_count(chip
, 0x0);
233 ad1889_load_adc_interrupt_count(chip
, 0x0);
236 ad1889_readw(chip
, AD_DMA_ADC
);
241 snd_ad1889_ac97_read(struct snd_ac97
*ac97
, unsigned short reg
)
243 struct snd_ad1889
*chip
= ac97
->private_data
;
244 return ad1889_readw(chip
, AD_AC97_BASE
+ reg
);
248 snd_ad1889_ac97_write(struct snd_ac97
*ac97
, unsigned short reg
, unsigned short val
)
250 struct snd_ad1889
*chip
= ac97
->private_data
;
251 ad1889_writew(chip
, AD_AC97_BASE
+ reg
, val
);
255 snd_ad1889_ac97_ready(struct snd_ad1889
*chip
)
257 int retry
= 400; /* average needs 352 msec */
259 while (!(ad1889_readw(chip
, AD_AC97_ACIC
) & AD_AC97_ACIC_ACRDY
)
263 dev_err(chip
->card
->dev
, "[%s] Link is not ready.\n",
267 dev_dbg(chip
->card
->dev
, "[%s] ready after %d ms\n", __func__
, 400 - retry
);
273 snd_ad1889_hw_params(struct snd_pcm_substream
*substream
,
274 struct snd_pcm_hw_params
*hw_params
)
276 return snd_pcm_lib_malloc_pages(substream
,
277 params_buffer_bytes(hw_params
));
281 snd_ad1889_hw_free(struct snd_pcm_substream
*substream
)
283 return snd_pcm_lib_free_pages(substream
);
286 static struct snd_pcm_hardware snd_ad1889_playback_hw
= {
287 .info
= SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
288 SNDRV_PCM_INFO_MMAP_VALID
| SNDRV_PCM_INFO_BLOCK_TRANSFER
,
289 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
290 .rates
= SNDRV_PCM_RATE_CONTINUOUS
| SNDRV_PCM_RATE_8000_48000
,
291 .rate_min
= 8000, /* docs say 7000, but we're lazy */
295 .buffer_bytes_max
= BUFFER_BYTES_MAX
,
296 .period_bytes_min
= PERIOD_BYTES_MIN
,
297 .period_bytes_max
= PERIOD_BYTES_MAX
,
298 .periods_min
= PERIODS_MIN
,
299 .periods_max
= PERIODS_MAX
,
303 static struct snd_pcm_hardware snd_ad1889_capture_hw
= {
304 .info
= SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
305 SNDRV_PCM_INFO_MMAP_VALID
| SNDRV_PCM_INFO_BLOCK_TRANSFER
,
306 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
307 .rates
= SNDRV_PCM_RATE_48000
,
308 .rate_min
= 48000, /* docs say we could to VSR, but we're lazy */
312 .buffer_bytes_max
= BUFFER_BYTES_MAX
,
313 .period_bytes_min
= PERIOD_BYTES_MIN
,
314 .period_bytes_max
= PERIOD_BYTES_MAX
,
315 .periods_min
= PERIODS_MIN
,
316 .periods_max
= PERIODS_MAX
,
321 snd_ad1889_playback_open(struct snd_pcm_substream
*ss
)
323 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
324 struct snd_pcm_runtime
*rt
= ss
->runtime
;
327 rt
->hw
= snd_ad1889_playback_hw
;
333 snd_ad1889_capture_open(struct snd_pcm_substream
*ss
)
335 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
336 struct snd_pcm_runtime
*rt
= ss
->runtime
;
339 rt
->hw
= snd_ad1889_capture_hw
;
345 snd_ad1889_playback_close(struct snd_pcm_substream
*ss
)
347 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
353 snd_ad1889_capture_close(struct snd_pcm_substream
*ss
)
355 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
361 snd_ad1889_playback_prepare(struct snd_pcm_substream
*ss
)
363 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
364 struct snd_pcm_runtime
*rt
= ss
->runtime
;
365 unsigned int size
= snd_pcm_lib_buffer_bytes(ss
);
366 unsigned int count
= snd_pcm_lib_period_bytes(ss
);
369 ad1889_channel_reset(chip
, AD_CHAN_WAV
);
371 reg
= ad1889_readw(chip
, AD_DS_WSMC
);
373 /* Mask out 16-bit / Stereo */
374 reg
&= ~(AD_DS_WSMC_WA16
| AD_DS_WSMC_WAST
);
376 if (snd_pcm_format_width(rt
->format
) == 16)
377 reg
|= AD_DS_WSMC_WA16
;
379 if (rt
->channels
> 1)
380 reg
|= AD_DS_WSMC_WAST
;
382 /* let's make sure we don't clobber ourselves */
383 spin_lock_irq(&chip
->lock
);
385 chip
->wave
.size
= size
;
386 chip
->wave
.reg
= reg
;
387 chip
->wave
.addr
= rt
->dma_addr
;
389 ad1889_writew(chip
, AD_DS_WSMC
, chip
->wave
.reg
);
391 /* Set sample rates on the codec */
392 ad1889_writew(chip
, AD_DS_WAS
, rt
->rate
);
395 ad1889_load_wave_buffer_address(chip
, chip
->wave
.addr
);
396 ad1889_load_wave_buffer_count(chip
, size
);
397 ad1889_load_wave_interrupt_count(chip
, count
);
400 ad1889_readw(chip
, AD_DS_WSMC
);
402 spin_unlock_irq(&chip
->lock
);
404 dev_dbg(chip
->card
->dev
,
405 "prepare playback: addr = 0x%x, count = %u, size = %u, reg = 0x%x, rate = %u\n",
406 chip
->wave
.addr
, count
, size
, reg
, rt
->rate
);
411 snd_ad1889_capture_prepare(struct snd_pcm_substream
*ss
)
413 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
414 struct snd_pcm_runtime
*rt
= ss
->runtime
;
415 unsigned int size
= snd_pcm_lib_buffer_bytes(ss
);
416 unsigned int count
= snd_pcm_lib_period_bytes(ss
);
419 ad1889_channel_reset(chip
, AD_CHAN_ADC
);
421 reg
= ad1889_readw(chip
, AD_DS_RAMC
);
423 /* Mask out 16-bit / Stereo */
424 reg
&= ~(AD_DS_RAMC_AD16
| AD_DS_RAMC_ADST
);
426 if (snd_pcm_format_width(rt
->format
) == 16)
427 reg
|= AD_DS_RAMC_AD16
;
429 if (rt
->channels
> 1)
430 reg
|= AD_DS_RAMC_ADST
;
432 /* let's make sure we don't clobber ourselves */
433 spin_lock_irq(&chip
->lock
);
435 chip
->ramc
.size
= size
;
436 chip
->ramc
.reg
= reg
;
437 chip
->ramc
.addr
= rt
->dma_addr
;
439 ad1889_writew(chip
, AD_DS_RAMC
, chip
->ramc
.reg
);
442 ad1889_load_adc_buffer_address(chip
, chip
->ramc
.addr
);
443 ad1889_load_adc_buffer_count(chip
, size
);
444 ad1889_load_adc_interrupt_count(chip
, count
);
447 ad1889_readw(chip
, AD_DS_RAMC
);
449 spin_unlock_irq(&chip
->lock
);
451 dev_dbg(chip
->card
->dev
,
452 "prepare capture: addr = 0x%x, count = %u, size = %u, reg = 0x%x, rate = %u\n",
453 chip
->ramc
.addr
, count
, size
, reg
, rt
->rate
);
457 /* this is called in atomic context with IRQ disabled.
458 Must be as fast as possible and not sleep.
459 DMA should be *triggered* by this call.
460 The WSMC "WAEN" bit triggers DMA Wave On/Off */
462 snd_ad1889_playback_trigger(struct snd_pcm_substream
*ss
, int cmd
)
465 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
467 wsmc
= ad1889_readw(chip
, AD_DS_WSMC
);
470 case SNDRV_PCM_TRIGGER_START
:
471 /* enable DMA loop & interrupts */
472 ad1889_writew(chip
, AD_DMA_WAV
, AD_DMA_LOOP
| AD_DMA_IM_CNT
);
473 wsmc
|= AD_DS_WSMC_WAEN
;
474 /* 1 to clear CHSS bit */
475 ad1889_writel(chip
, AD_DMA_CHSS
, AD_DMA_CHSS_WAVS
);
478 case SNDRV_PCM_TRIGGER_STOP
:
480 wsmc
&= ~AD_DS_WSMC_WAEN
;
487 chip
->wave
.reg
= wsmc
;
488 ad1889_writew(chip
, AD_DS_WSMC
, wsmc
);
489 ad1889_readw(chip
, AD_DS_WSMC
); /* flush */
491 /* reset the chip when STOP - will disable IRQs */
492 if (cmd
== SNDRV_PCM_TRIGGER_STOP
)
493 ad1889_channel_reset(chip
, AD_CHAN_WAV
);
498 /* this is called in atomic context with IRQ disabled.
499 Must be as fast as possible and not sleep.
500 DMA should be *triggered* by this call.
501 The RAMC "ADEN" bit triggers DMA ADC On/Off */
503 snd_ad1889_capture_trigger(struct snd_pcm_substream
*ss
, int cmd
)
506 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
508 ramc
= ad1889_readw(chip
, AD_DS_RAMC
);
511 case SNDRV_PCM_TRIGGER_START
:
512 /* enable DMA loop & interrupts */
513 ad1889_writew(chip
, AD_DMA_ADC
, AD_DMA_LOOP
| AD_DMA_IM_CNT
);
514 ramc
|= AD_DS_RAMC_ADEN
;
515 /* 1 to clear CHSS bit */
516 ad1889_writel(chip
, AD_DMA_CHSS
, AD_DMA_CHSS_ADCS
);
518 case SNDRV_PCM_TRIGGER_STOP
:
519 ramc
&= ~AD_DS_RAMC_ADEN
;
525 chip
->ramc
.reg
= ramc
;
526 ad1889_writew(chip
, AD_DS_RAMC
, ramc
);
527 ad1889_readw(chip
, AD_DS_RAMC
); /* flush */
529 /* reset the chip when STOP - will disable IRQs */
530 if (cmd
== SNDRV_PCM_TRIGGER_STOP
)
531 ad1889_channel_reset(chip
, AD_CHAN_ADC
);
536 /* Called in atomic context with IRQ disabled */
537 static snd_pcm_uframes_t
538 snd_ad1889_playback_pointer(struct snd_pcm_substream
*ss
)
541 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
543 if (unlikely(!(chip
->wave
.reg
& AD_DS_WSMC_WAEN
)))
546 ptr
= ad1889_readl(chip
, AD_DMA_WAVCA
);
547 ptr
-= chip
->wave
.addr
;
549 if (snd_BUG_ON(ptr
>= chip
->wave
.size
))
552 return bytes_to_frames(ss
->runtime
, ptr
);
555 /* Called in atomic context with IRQ disabled */
556 static snd_pcm_uframes_t
557 snd_ad1889_capture_pointer(struct snd_pcm_substream
*ss
)
560 struct snd_ad1889
*chip
= snd_pcm_substream_chip(ss
);
562 if (unlikely(!(chip
->ramc
.reg
& AD_DS_RAMC_ADEN
)))
565 ptr
= ad1889_readl(chip
, AD_DMA_ADCCA
);
566 ptr
-= chip
->ramc
.addr
;
568 if (snd_BUG_ON(ptr
>= chip
->ramc
.size
))
571 return bytes_to_frames(ss
->runtime
, ptr
);
574 static struct snd_pcm_ops snd_ad1889_playback_ops
= {
575 .open
= snd_ad1889_playback_open
,
576 .close
= snd_ad1889_playback_close
,
577 .ioctl
= snd_pcm_lib_ioctl
,
578 .hw_params
= snd_ad1889_hw_params
,
579 .hw_free
= snd_ad1889_hw_free
,
580 .prepare
= snd_ad1889_playback_prepare
,
581 .trigger
= snd_ad1889_playback_trigger
,
582 .pointer
= snd_ad1889_playback_pointer
,
585 static struct snd_pcm_ops snd_ad1889_capture_ops
= {
586 .open
= snd_ad1889_capture_open
,
587 .close
= snd_ad1889_capture_close
,
588 .ioctl
= snd_pcm_lib_ioctl
,
589 .hw_params
= snd_ad1889_hw_params
,
590 .hw_free
= snd_ad1889_hw_free
,
591 .prepare
= snd_ad1889_capture_prepare
,
592 .trigger
= snd_ad1889_capture_trigger
,
593 .pointer
= snd_ad1889_capture_pointer
,
597 snd_ad1889_interrupt(int irq
, void *dev_id
)
600 struct snd_ad1889
*chip
= dev_id
;
602 st
= ad1889_readl(chip
, AD_DMA_DISR
);
605 ad1889_writel(chip
, AD_DMA_DISR
, st
);
612 if (st
& (AD_DMA_DISR_PMAI
|AD_DMA_DISR_PTAI
))
613 dev_dbg(chip
->card
->dev
,
614 "Unexpected master or target abort interrupt!\n");
616 if ((st
& AD_DMA_DISR_WAVI
) && chip
->psubs
)
617 snd_pcm_period_elapsed(chip
->psubs
);
618 if ((st
& AD_DMA_DISR_ADCI
) && chip
->csubs
)
619 snd_pcm_period_elapsed(chip
->csubs
);
625 snd_ad1889_pcm_init(struct snd_ad1889
*chip
, int device
)
630 err
= snd_pcm_new(chip
->card
, chip
->card
->driver
, device
, 1, 1, &pcm
);
634 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_PLAYBACK
,
635 &snd_ad1889_playback_ops
);
636 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_CAPTURE
,
637 &snd_ad1889_capture_ops
);
639 pcm
->private_data
= chip
;
641 strcpy(pcm
->name
, chip
->card
->shortname
);
647 err
= snd_pcm_lib_preallocate_pages_for_all(pcm
, SNDRV_DMA_TYPE_DEV
,
648 snd_dma_pci_data(chip
->pci
),
649 BUFFER_BYTES_MAX
/ 2,
653 dev_err(chip
->card
->dev
, "buffer allocation error: %d\n", err
);
661 snd_ad1889_proc_read(struct snd_info_entry
*entry
, struct snd_info_buffer
*buffer
)
663 struct snd_ad1889
*chip
= entry
->private_data
;
667 reg
= ad1889_readw(chip
, AD_DS_WSMC
);
668 snd_iprintf(buffer
, "Wave output: %s\n",
669 (reg
& AD_DS_WSMC_WAEN
) ? "enabled" : "disabled");
670 snd_iprintf(buffer
, "Wave Channels: %s\n",
671 (reg
& AD_DS_WSMC_WAST
) ? "stereo" : "mono");
672 snd_iprintf(buffer
, "Wave Quality: %d-bit linear\n",
673 (reg
& AD_DS_WSMC_WA16
) ? 16 : 8);
675 /* WARQ is at offset 12 */
676 tmp
= (reg
& AD_DS_WSMC_WARQ
) ?
677 ((((reg
& AD_DS_WSMC_WARQ
) >> 12) & 0x01) ? 12 : 18) : 4;
678 tmp
/= (reg
& AD_DS_WSMC_WAST
) ? 2 : 1;
680 snd_iprintf(buffer
, "Wave FIFO: %d %s words\n\n", tmp
,
681 (reg
& AD_DS_WSMC_WAST
) ? "stereo" : "mono");
684 snd_iprintf(buffer
, "Synthesis output: %s\n",
685 reg
& AD_DS_WSMC_SYEN
? "enabled" : "disabled");
687 /* SYRQ is at offset 4 */
688 tmp
= (reg
& AD_DS_WSMC_SYRQ
) ?
689 ((((reg
& AD_DS_WSMC_SYRQ
) >> 4) & 0x01) ? 12 : 18) : 4;
690 tmp
/= (reg
& AD_DS_WSMC_WAST
) ? 2 : 1;
692 snd_iprintf(buffer
, "Synthesis FIFO: %d %s words\n\n", tmp
,
693 (reg
& AD_DS_WSMC_WAST
) ? "stereo" : "mono");
695 reg
= ad1889_readw(chip
, AD_DS_RAMC
);
696 snd_iprintf(buffer
, "ADC input: %s\n",
697 (reg
& AD_DS_RAMC_ADEN
) ? "enabled" : "disabled");
698 snd_iprintf(buffer
, "ADC Channels: %s\n",
699 (reg
& AD_DS_RAMC_ADST
) ? "stereo" : "mono");
700 snd_iprintf(buffer
, "ADC Quality: %d-bit linear\n",
701 (reg
& AD_DS_RAMC_AD16
) ? 16 : 8);
703 /* ACRQ is at offset 4 */
704 tmp
= (reg
& AD_DS_RAMC_ACRQ
) ?
705 ((((reg
& AD_DS_RAMC_ACRQ
) >> 4) & 0x01) ? 12 : 18) : 4;
706 tmp
/= (reg
& AD_DS_RAMC_ADST
) ? 2 : 1;
708 snd_iprintf(buffer
, "ADC FIFO: %d %s words\n\n", tmp
,
709 (reg
& AD_DS_RAMC_ADST
) ? "stereo" : "mono");
711 snd_iprintf(buffer
, "Resampler input: %s\n",
712 reg
& AD_DS_RAMC_REEN
? "enabled" : "disabled");
714 /* RERQ is at offset 12 */
715 tmp
= (reg
& AD_DS_RAMC_RERQ
) ?
716 ((((reg
& AD_DS_RAMC_RERQ
) >> 12) & 0x01) ? 12 : 18) : 4;
717 tmp
/= (reg
& AD_DS_RAMC_ADST
) ? 2 : 1;
719 snd_iprintf(buffer
, "Resampler FIFO: %d %s words\n\n", tmp
,
720 (reg
& AD_DS_WSMC_WAST
) ? "stereo" : "mono");
723 /* doc says LSB represents -1.5dB, but the max value (-94.5dB)
724 suggests that LSB is -3dB, which is more coherent with the logarithmic
725 nature of the dB scale */
726 reg
= ad1889_readw(chip
, AD_DS_WADA
);
727 snd_iprintf(buffer
, "Left: %s, -%d dB\n",
728 (reg
& AD_DS_WADA_LWAM
) ? "mute" : "unmute",
729 ((reg
& AD_DS_WADA_LWAA
) >> 8) * 3);
730 reg
= ad1889_readw(chip
, AD_DS_WADA
);
731 snd_iprintf(buffer
, "Right: %s, -%d dB\n",
732 (reg
& AD_DS_WADA_RWAM
) ? "mute" : "unmute",
733 (reg
& AD_DS_WADA_RWAA
) * 3);
735 reg
= ad1889_readw(chip
, AD_DS_WAS
);
736 snd_iprintf(buffer
, "Wave samplerate: %u Hz\n", reg
);
737 reg
= ad1889_readw(chip
, AD_DS_RES
);
738 snd_iprintf(buffer
, "Resampler samplerate: %u Hz\n", reg
);
742 snd_ad1889_proc_init(struct snd_ad1889
*chip
)
744 struct snd_info_entry
*entry
;
746 if (!snd_card_proc_new(chip
->card
, chip
->card
->driver
, &entry
))
747 snd_info_set_text_ops(entry
, chip
, snd_ad1889_proc_read
);
750 static struct ac97_quirk ac97_quirks
[] = {
752 .subvendor
= 0x11d4, /* AD */
753 .subdevice
= 0x1889, /* AD1889 */
754 .codec_id
= AC97_ID_AD1819
,
756 .type
= AC97_TUNE_HP_ONLY
762 snd_ad1889_ac97_xinit(struct snd_ad1889
*chip
)
766 reg
= ad1889_readw(chip
, AD_AC97_ACIC
);
767 reg
|= AD_AC97_ACIC_ACRD
; /* Reset Disable */
768 ad1889_writew(chip
, AD_AC97_ACIC
, reg
);
769 ad1889_readw(chip
, AD_AC97_ACIC
); /* flush posted write */
771 /* Interface Enable */
772 reg
|= AD_AC97_ACIC_ACIE
;
773 ad1889_writew(chip
, AD_AC97_ACIC
, reg
);
775 snd_ad1889_ac97_ready(chip
);
777 /* Audio Stream Output | Variable Sample Rate Mode */
778 reg
= ad1889_readw(chip
, AD_AC97_ACIC
);
779 reg
|= AD_AC97_ACIC_ASOE
| AD_AC97_ACIC_VSRM
;
780 ad1889_writew(chip
, AD_AC97_ACIC
, reg
);
781 ad1889_readw(chip
, AD_AC97_ACIC
); /* flush posted write */
786 snd_ad1889_ac97_bus_free(struct snd_ac97_bus
*bus
)
788 struct snd_ad1889
*chip
= bus
->private_data
;
789 chip
->ac97_bus
= NULL
;
793 snd_ad1889_ac97_free(struct snd_ac97
*ac97
)
795 struct snd_ad1889
*chip
= ac97
->private_data
;
800 snd_ad1889_ac97_init(struct snd_ad1889
*chip
, const char *quirk_override
)
803 struct snd_ac97_template ac97
;
804 static struct snd_ac97_bus_ops ops
= {
805 .write
= snd_ad1889_ac97_write
,
806 .read
= snd_ad1889_ac97_read
,
809 /* doing that here, it works. */
810 snd_ad1889_ac97_xinit(chip
);
812 err
= snd_ac97_bus(chip
->card
, 0, &ops
, chip
, &chip
->ac97_bus
);
816 chip
->ac97_bus
->private_free
= snd_ad1889_ac97_bus_free
;
818 memset(&ac97
, 0, sizeof(ac97
));
819 ac97
.private_data
= chip
;
820 ac97
.private_free
= snd_ad1889_ac97_free
;
821 ac97
.pci
= chip
->pci
;
823 err
= snd_ac97_mixer(chip
->ac97_bus
, &ac97
, &chip
->ac97
);
827 snd_ac97_tune_hardware(chip
->ac97
, ac97_quirks
, quirk_override
);
833 snd_ad1889_free(struct snd_ad1889
*chip
)
838 spin_lock_irq(&chip
->lock
);
842 /* Turn off interrupt on count and zero DMA registers */
843 ad1889_channel_reset(chip
, AD_CHAN_WAV
| AD_CHAN_ADC
);
845 /* clear DISR. If we don't, we'd better jump off the Eiffel Tower */
846 ad1889_writel(chip
, AD_DMA_DISR
, AD_DMA_DISR_PTAI
| AD_DMA_DISR_PMAI
);
847 ad1889_readl(chip
, AD_DMA_DISR
); /* flush, dammit! */
849 spin_unlock_irq(&chip
->lock
);
852 free_irq(chip
->irq
, chip
);
855 iounmap(chip
->iobase
);
856 pci_release_regions(chip
->pci
);
857 pci_disable_device(chip
->pci
);
863 snd_ad1889_dev_free(struct snd_device
*device
)
865 struct snd_ad1889
*chip
= device
->device_data
;
866 return snd_ad1889_free(chip
);
870 snd_ad1889_init(struct snd_ad1889
*chip
)
872 ad1889_writew(chip
, AD_DS_CCS
, AD_DS_CCS_CLKEN
); /* turn on clock */
873 ad1889_readw(chip
, AD_DS_CCS
); /* flush posted write */
877 /* enable Master and Target abort interrupts */
878 ad1889_writel(chip
, AD_DMA_DISR
, AD_DMA_DISR_PMAE
| AD_DMA_DISR_PTAE
);
884 snd_ad1889_create(struct snd_card
*card
,
886 struct snd_ad1889
**rchip
)
890 struct snd_ad1889
*chip
;
891 static struct snd_device_ops ops
= {
892 .dev_free
= snd_ad1889_dev_free
,
897 if ((err
= pci_enable_device(pci
)) < 0)
900 /* check PCI availability (32bit DMA) */
901 if (pci_set_dma_mask(pci
, DMA_BIT_MASK(32)) < 0 ||
902 pci_set_consistent_dma_mask(pci
, DMA_BIT_MASK(32)) < 0) {
903 dev_err(card
->dev
, "error setting 32-bit DMA mask.\n");
904 pci_disable_device(pci
);
908 /* allocate chip specific data with zero-filled memory */
909 if ((chip
= kzalloc(sizeof(*chip
), GFP_KERNEL
)) == NULL
) {
910 pci_disable_device(pci
);
915 card
->private_data
= chip
;
919 /* (1) PCI resource allocation */
920 if ((err
= pci_request_regions(pci
, card
->driver
)) < 0)
923 chip
->bar
= pci_resource_start(pci
, 0);
924 chip
->iobase
= pci_ioremap_bar(pci
, 0);
925 if (chip
->iobase
== NULL
) {
926 dev_err(card
->dev
, "unable to reserve region.\n");
933 spin_lock_init(&chip
->lock
); /* only now can we call ad1889_free */
935 if (request_irq(pci
->irq
, snd_ad1889_interrupt
,
936 IRQF_SHARED
, KBUILD_MODNAME
, chip
)) {
937 dev_err(card
->dev
, "cannot obtain IRQ %d\n", pci
->irq
);
938 snd_ad1889_free(chip
);
942 chip
->irq
= pci
->irq
;
943 synchronize_irq(chip
->irq
);
945 /* (2) initialization of the chip hardware */
946 if ((err
= snd_ad1889_init(chip
)) < 0) {
947 snd_ad1889_free(chip
);
951 if ((err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, chip
, &ops
)) < 0) {
952 snd_ad1889_free(chip
);
962 pci_disable_device(pci
);
968 snd_ad1889_probe(struct pci_dev
*pci
,
969 const struct pci_device_id
*pci_id
)
973 struct snd_card
*card
;
974 struct snd_ad1889
*chip
;
977 if (devno
>= SNDRV_CARDS
)
979 if (!enable
[devno
]) {
985 err
= snd_card_new(&pci
->dev
, index
[devno
], id
[devno
], THIS_MODULE
,
987 /* XXX REVISIT: we can probably allocate chip in this call */
991 strcpy(card
->driver
, "AD1889");
992 strcpy(card
->shortname
, "Analog Devices AD1889");
995 err
= snd_ad1889_create(card
, pci
, &chip
);
1000 sprintf(card
->longname
, "%s at 0x%lx irq %i",
1001 card
->shortname
, chip
->bar
, chip
->irq
);
1004 /* register AC97 mixer */
1005 err
= snd_ad1889_ac97_init(chip
, ac97_quirk
[devno
]);
1009 err
= snd_ad1889_pcm_init(chip
, 0);
1013 /* register proc interface */
1014 snd_ad1889_proc_init(chip
);
1017 err
= snd_card_register(card
);
1022 pci_set_drvdata(pci
, card
);
1028 snd_card_free(card
);
1033 snd_ad1889_remove(struct pci_dev
*pci
)
1035 snd_card_free(pci_get_drvdata(pci
));
1038 static const struct pci_device_id snd_ad1889_ids
[] = {
1039 { PCI_DEVICE(PCI_VENDOR_ID_ANALOG_DEVICES
, PCI_DEVICE_ID_AD1889JS
) },
1042 MODULE_DEVICE_TABLE(pci
, snd_ad1889_ids
);
1044 static struct pci_driver ad1889_pci_driver
= {
1045 .name
= KBUILD_MODNAME
,
1046 .id_table
= snd_ad1889_ids
,
1047 .probe
= snd_ad1889_probe
,
1048 .remove
= snd_ad1889_remove
,
1051 module_pci_driver(ad1889_pci_driver
);