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22#include <asm/io.h>
23#include <linux/delay.h>
24#include <linux/interrupt.h>
25#include <linux/init.h>
26#include <linux/pci.h>
27#include <linux/slab.h>
28#include <linux/module.h>
29#include <linux/mutex.h>
30#include <sound/core.h>
31#include <sound/pcm.h>
32#include <sound/pcm_params.h>
33#include <sound/info.h>
34#include <sound/ac97_codec.h>
35#include <sound/initval.h>
36
37MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
38MODULE_DESCRIPTION("ATI IXP MC97 controller");
39MODULE_LICENSE("GPL");
40MODULE_SUPPORTED_DEVICE("{{ATI,IXP150/200/250}}");
41
42static int index = -2;
43static char *id = SNDRV_DEFAULT_STR1;
44static int ac97_clock = 48000;
45
46module_param(index, int, 0444);
47MODULE_PARM_DESC(index, "Index value for ATI IXP controller.");
48module_param(id, charp, 0444);
49MODULE_PARM_DESC(id, "ID string for ATI IXP controller.");
50module_param(ac97_clock, int, 0444);
51MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz).");
52
53
54static bool enable;
55module_param(enable, bool, 0444);
56
57
58
59
60
61#define ATI_REG_ISR 0x00
62#define ATI_REG_ISR_MODEM_IN_XRUN (1U<<0)
63#define ATI_REG_ISR_MODEM_IN_STATUS (1U<<1)
64#define ATI_REG_ISR_MODEM_OUT1_XRUN (1U<<2)
65#define ATI_REG_ISR_MODEM_OUT1_STATUS (1U<<3)
66#define ATI_REG_ISR_MODEM_OUT2_XRUN (1U<<4)
67#define ATI_REG_ISR_MODEM_OUT2_STATUS (1U<<5)
68#define ATI_REG_ISR_MODEM_OUT3_XRUN (1U<<6)
69#define ATI_REG_ISR_MODEM_OUT3_STATUS (1U<<7)
70#define ATI_REG_ISR_PHYS_INTR (1U<<8)
71#define ATI_REG_ISR_PHYS_MISMATCH (1U<<9)
72#define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10)
73#define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11)
74#define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12)
75#define ATI_REG_ISR_NEW_FRAME (1U<<13)
76#define ATI_REG_ISR_MODEM_GPIO_DATA (1U<<14)
77
78#define ATI_REG_IER 0x04
79#define ATI_REG_IER_MODEM_IN_XRUN_EN (1U<<0)
80#define ATI_REG_IER_MODEM_STATUS_EN (1U<<1)
81#define ATI_REG_IER_MODEM_OUT1_XRUN_EN (1U<<2)
82#define ATI_REG_IER_MODEM_OUT2_XRUN_EN (1U<<4)
83#define ATI_REG_IER_MODEM_OUT3_XRUN_EN (1U<<6)
84#define ATI_REG_IER_PHYS_INTR_EN (1U<<8)
85#define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9)
86#define ATI_REG_IER_CODEC0_INTR_EN (1U<<10)
87#define ATI_REG_IER_CODEC1_INTR_EN (1U<<11)
88#define ATI_REG_IER_CODEC2_INTR_EN (1U<<12)
89#define ATI_REG_IER_NEW_FRAME_EN (1U<<13)
90#define ATI_REG_IER_MODEM_GPIO_DATA_EN (1U<<14)
91#define ATI_REG_IER_MODEM_SET_BUS_BUSY (1U<<15)
92
93#define ATI_REG_CMD 0x08
94#define ATI_REG_CMD_POWERDOWN (1U<<0)
95#define ATI_REG_CMD_MODEM_RECEIVE_EN (1U<<1)
96#define ATI_REG_CMD_MODEM_SEND1_EN (1U<<2)
97#define ATI_REG_CMD_MODEM_SEND2_EN (1U<<3)
98#define ATI_REG_CMD_MODEM_SEND3_EN (1U<<4)
99#define ATI_REG_CMD_MODEM_STATUS_MEM (1U<<5)
100#define ATI_REG_CMD_MODEM_IN_DMA_EN (1U<<8)
101#define ATI_REG_CMD_MODEM_OUT_DMA1_EN (1U<<9)
102#define ATI_REG_CMD_MODEM_OUT_DMA2_EN (1U<<10)
103#define ATI_REG_CMD_MODEM_OUT_DMA3_EN (1U<<11)
104#define ATI_REG_CMD_AUDIO_PRESENT (1U<<20)
105#define ATI_REG_CMD_MODEM_GPIO_THRU_DMA (1U<<22)
106#define ATI_REG_CMD_LOOPBACK_EN (1U<<23)
107#define ATI_REG_CMD_PACKED_DIS (1U<<24)
108#define ATI_REG_CMD_BURST_EN (1U<<25)
109#define ATI_REG_CMD_PANIC_EN (1U<<26)
110#define ATI_REG_CMD_MODEM_PRESENT (1U<<27)
111#define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28)
112#define ATI_REG_CMD_AC_SOFT_RESET (1U<<29)
113#define ATI_REG_CMD_AC_SYNC (1U<<30)
114#define ATI_REG_CMD_AC_RESET (1U<<31)
115
116#define ATI_REG_PHYS_OUT_ADDR 0x0c
117#define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0)
118#define ATI_REG_PHYS_OUT_RW (1U<<2)
119#define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8)
120#define ATI_REG_PHYS_OUT_ADDR_SHIFT 9
121#define ATI_REG_PHYS_OUT_DATA_SHIFT 16
122
123#define ATI_REG_PHYS_IN_ADDR 0x10
124#define ATI_REG_PHYS_IN_READ_FLAG (1U<<8)
125#define ATI_REG_PHYS_IN_ADDR_SHIFT 9
126#define ATI_REG_PHYS_IN_DATA_SHIFT 16
127
128#define ATI_REG_SLOTREQ 0x14
129
130#define ATI_REG_COUNTER 0x18
131#define ATI_REG_COUNTER_SLOT (3U<<0)
132#define ATI_REG_COUNTER_BITCLOCK (31U<<8)
133
134#define ATI_REG_IN_FIFO_THRESHOLD 0x1c
135
136#define ATI_REG_MODEM_IN_DMA_LINKPTR 0x20
137#define ATI_REG_MODEM_IN_DMA_DT_START 0x24
138#define ATI_REG_MODEM_IN_DMA_DT_NEXT 0x28
139#define ATI_REG_MODEM_IN_DMA_DT_CUR 0x2c
140#define ATI_REG_MODEM_IN_DMA_DT_SIZE 0x30
141#define ATI_REG_MODEM_OUT_FIFO 0x34
142#define ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK (0xf<<16)
143#define ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT 16
144#define ATI_REG_MODEM_OUT_DMA1_LINKPTR 0x38
145#define ATI_REG_MODEM_OUT_DMA2_LINKPTR 0x3c
146#define ATI_REG_MODEM_OUT_DMA3_LINKPTR 0x40
147#define ATI_REG_MODEM_OUT_DMA1_DT_START 0x44
148#define ATI_REG_MODEM_OUT_DMA1_DT_NEXT 0x48
149#define ATI_REG_MODEM_OUT_DMA1_DT_CUR 0x4c
150#define ATI_REG_MODEM_OUT_DMA2_DT_START 0x50
151#define ATI_REG_MODEM_OUT_DMA2_DT_NEXT 0x54
152#define ATI_REG_MODEM_OUT_DMA2_DT_CUR 0x58
153#define ATI_REG_MODEM_OUT_DMA3_DT_START 0x5c
154#define ATI_REG_MODEM_OUT_DMA3_DT_NEXT 0x60
155#define ATI_REG_MODEM_OUT_DMA3_DT_CUR 0x64
156#define ATI_REG_MODEM_OUT_DMA12_DT_SIZE 0x68
157#define ATI_REG_MODEM_OUT_DMA3_DT_SIZE 0x6c
158#define ATI_REG_MODEM_OUT_FIFO_USED 0x70
159#define ATI_REG_MODEM_OUT_GPIO 0x74
160#define ATI_REG_MODEM_OUT_GPIO_EN 1
161#define ATI_REG_MODEM_OUT_GPIO_DATA_SHIFT 5
162#define ATI_REG_MODEM_IN_GPIO 0x78
163
164#define ATI_REG_MODEM_MIRROR 0x7c
165#define ATI_REG_AUDIO_MIRROR 0x80
166
167#define ATI_REG_MODEM_FIFO_FLUSH 0x88
168#define ATI_REG_MODEM_FIFO_OUT1_FLUSH (1U<<0)
169#define ATI_REG_MODEM_FIFO_OUT2_FLUSH (1U<<1)
170#define ATI_REG_MODEM_FIFO_OUT3_FLUSH (1U<<2)
171#define ATI_REG_MODEM_FIFO_IN_FLUSH (1U<<3)
172
173
174#define ATI_REG_LINKPTR_EN (1U<<0)
175
176#define ATI_MAX_DESCRIPTORS 256
177
178
179struct atiixp_modem;
180
181
182
183
184
185struct atiixp_dma_desc {
186 u32 addr;
187 u16 status;
188 u16 size;
189 u32 next;
190};
191
192
193
194
195enum { ATI_DMA_PLAYBACK, ATI_DMA_CAPTURE, NUM_ATI_DMAS };
196enum { ATI_PCM_OUT, ATI_PCM_IN, NUM_ATI_PCMS };
197enum { ATI_PCMDEV_ANALOG, NUM_ATI_PCMDEVS };
198
199#define NUM_ATI_CODECS 3
200
201
202
203
204
205struct atiixp_dma_ops {
206 int type;
207 unsigned int llp_offset;
208 unsigned int dt_cur;
209
210 void (*enable_dma)(struct atiixp_modem *chip, int on);
211
212 void (*enable_transfer)(struct atiixp_modem *chip, int on);
213
214 void (*flush_dma)(struct atiixp_modem *chip);
215};
216
217
218
219
220struct atiixp_dma {
221 const struct atiixp_dma_ops *ops;
222 struct snd_dma_buffer desc_buf;
223 struct snd_pcm_substream *substream;
224 unsigned int buf_addr, buf_bytes;
225 unsigned int period_bytes, periods;
226 int opened;
227 int running;
228 int pcm_open_flag;
229 int ac97_pcm_type;
230};
231
232
233
234
235struct atiixp_modem {
236 struct snd_card *card;
237 struct pci_dev *pci;
238
239 struct resource *res;
240 unsigned long addr;
241 void __iomem *remap_addr;
242 int irq;
243
244 struct snd_ac97_bus *ac97_bus;
245 struct snd_ac97 *ac97[NUM_ATI_CODECS];
246
247 spinlock_t reg_lock;
248
249 struct atiixp_dma dmas[NUM_ATI_DMAS];
250 struct ac97_pcm *pcms[NUM_ATI_PCMS];
251 struct snd_pcm *pcmdevs[NUM_ATI_PCMDEVS];
252
253 int max_channels;
254
255 unsigned int codec_not_ready_bits;
256
257 int spdif_over_aclink;
258 struct mutex open_mutex;
259};
260
261
262
263
264static const struct pci_device_id snd_atiixp_ids[] = {
265 { PCI_VDEVICE(ATI, 0x434d), 0 },
266 { PCI_VDEVICE(ATI, 0x4378), 0 },
267 { 0, }
268};
269
270MODULE_DEVICE_TABLE(pci, snd_atiixp_ids);
271
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273
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275
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277
278
279
280
281static int snd_atiixp_update_bits(struct atiixp_modem *chip, unsigned int reg,
282 unsigned int mask, unsigned int value)
283{
284 void __iomem *addr = chip->remap_addr + reg;
285 unsigned int data, old_data;
286 old_data = data = readl(addr);
287 data &= ~mask;
288 data |= value;
289 if (old_data == data)
290 return 0;
291 writel(data, addr);
292 return 1;
293}
294
295
296
297
298#define atiixp_write(chip,reg,value) \
299 writel(value, chip->remap_addr + ATI_REG_##reg)
300#define atiixp_read(chip,reg) \
301 readl(chip->remap_addr + ATI_REG_##reg)
302#define atiixp_update(chip,reg,mask,val) \
303 snd_atiixp_update_bits(chip, ATI_REG_##reg, mask, val)
304
305
306
307
308
309
310
311
312#define ATI_DESC_LIST_SIZE \
313 PAGE_ALIGN(ATI_MAX_DESCRIPTORS * sizeof(struct atiixp_dma_desc))
314
315
316
317
318
319
320
321
322
323
324static int atiixp_build_dma_packets(struct atiixp_modem *chip,
325 struct atiixp_dma *dma,
326 struct snd_pcm_substream *substream,
327 unsigned int periods,
328 unsigned int period_bytes)
329{
330 unsigned int i;
331 u32 addr, desc_addr;
332 unsigned long flags;
333
334 if (periods > ATI_MAX_DESCRIPTORS)
335 return -ENOMEM;
336
337 if (dma->desc_buf.area == NULL) {
338 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
339 ATI_DESC_LIST_SIZE, &dma->desc_buf) < 0)
340 return -ENOMEM;
341 dma->period_bytes = dma->periods = 0;
342 }
343
344 if (dma->periods == periods && dma->period_bytes == period_bytes)
345 return 0;
346
347
348 spin_lock_irqsave(&chip->reg_lock, flags);
349 writel(0, chip->remap_addr + dma->ops->llp_offset);
350 dma->ops->enable_dma(chip, 0);
351 dma->ops->enable_dma(chip, 1);
352 spin_unlock_irqrestore(&chip->reg_lock, flags);
353
354
355 addr = (u32)substream->runtime->dma_addr;
356 desc_addr = (u32)dma->desc_buf.addr;
357 for (i = 0; i < periods; i++) {
358 struct atiixp_dma_desc *desc;
359 desc = &((struct atiixp_dma_desc *)dma->desc_buf.area)[i];
360 desc->addr = cpu_to_le32(addr);
361 desc->status = 0;
362 desc->size = period_bytes >> 2;
363 desc_addr += sizeof(struct atiixp_dma_desc);
364 if (i == periods - 1)
365 desc->next = cpu_to_le32((u32)dma->desc_buf.addr);
366 else
367 desc->next = cpu_to_le32(desc_addr);
368 addr += period_bytes;
369 }
370
371 writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN,
372 chip->remap_addr + dma->ops->llp_offset);
373
374 dma->period_bytes = period_bytes;
375 dma->periods = periods;
376
377 return 0;
378}
379
380
381
382
383static void atiixp_clear_dma_packets(struct atiixp_modem *chip,
384 struct atiixp_dma *dma,
385 struct snd_pcm_substream *substream)
386{
387 if (dma->desc_buf.area) {
388 writel(0, chip->remap_addr + dma->ops->llp_offset);
389 snd_dma_free_pages(&dma->desc_buf);
390 dma->desc_buf.area = NULL;
391 }
392}
393
394
395
396
397static int snd_atiixp_acquire_codec(struct atiixp_modem *chip)
398{
399 int timeout = 1000;
400
401 while (atiixp_read(chip, PHYS_OUT_ADDR) & ATI_REG_PHYS_OUT_ADDR_EN) {
402 if (! timeout--) {
403 dev_warn(chip->card->dev, "codec acquire timeout\n");
404 return -EBUSY;
405 }
406 udelay(1);
407 }
408 return 0;
409}
410
411static unsigned short snd_atiixp_codec_read(struct atiixp_modem *chip,
412 unsigned short codec,
413 unsigned short reg)
414{
415 unsigned int data;
416 int timeout;
417
418 if (snd_atiixp_acquire_codec(chip) < 0)
419 return 0xffff;
420 data = (reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) |
421 ATI_REG_PHYS_OUT_ADDR_EN |
422 ATI_REG_PHYS_OUT_RW |
423 codec;
424 atiixp_write(chip, PHYS_OUT_ADDR, data);
425 if (snd_atiixp_acquire_codec(chip) < 0)
426 return 0xffff;
427 timeout = 1000;
428 do {
429 data = atiixp_read(chip, PHYS_IN_ADDR);
430 if (data & ATI_REG_PHYS_IN_READ_FLAG)
431 return data >> ATI_REG_PHYS_IN_DATA_SHIFT;
432 udelay(1);
433 } while (--timeout);
434
435 if (reg < 0x7c)
436 dev_warn(chip->card->dev, "codec read timeout (reg %x)\n", reg);
437 return 0xffff;
438}
439
440
441static void snd_atiixp_codec_write(struct atiixp_modem *chip,
442 unsigned short codec,
443 unsigned short reg, unsigned short val)
444{
445 unsigned int data;
446
447 if (snd_atiixp_acquire_codec(chip) < 0)
448 return;
449 data = ((unsigned int)val << ATI_REG_PHYS_OUT_DATA_SHIFT) |
450 ((unsigned int)reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) |
451 ATI_REG_PHYS_OUT_ADDR_EN | codec;
452 atiixp_write(chip, PHYS_OUT_ADDR, data);
453}
454
455
456static unsigned short snd_atiixp_ac97_read(struct snd_ac97 *ac97,
457 unsigned short reg)
458{
459 struct atiixp_modem *chip = ac97->private_data;
460 return snd_atiixp_codec_read(chip, ac97->num, reg);
461
462}
463
464static void snd_atiixp_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
465 unsigned short val)
466{
467 struct atiixp_modem *chip = ac97->private_data;
468 if (reg == AC97_GPIO_STATUS) {
469 atiixp_write(chip, MODEM_OUT_GPIO,
470 (val << ATI_REG_MODEM_OUT_GPIO_DATA_SHIFT) | ATI_REG_MODEM_OUT_GPIO_EN);
471 return;
472 }
473 snd_atiixp_codec_write(chip, ac97->num, reg, val);
474}
475
476
477
478
479static int snd_atiixp_aclink_reset(struct atiixp_modem *chip)
480{
481 int timeout;
482
483
484 if (atiixp_update(chip, CMD, ATI_REG_CMD_POWERDOWN, 0))
485 udelay(10);
486
487
488 atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, ATI_REG_CMD_AC_SOFT_RESET);
489 atiixp_read(chip, CMD);
490 udelay(10);
491 atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, 0);
492
493 timeout = 10;
494 while (! (atiixp_read(chip, CMD) & ATI_REG_CMD_ACLINK_ACTIVE)) {
495
496 atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET,
497 ATI_REG_CMD_AC_SYNC);
498 atiixp_read(chip, CMD);
499 msleep(1);
500 atiixp_update(chip, CMD, ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_RESET);
501 if (!--timeout) {
502 dev_err(chip->card->dev, "codec reset timeout\n");
503 break;
504 }
505 }
506
507
508 atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET,
509 ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET);
510
511 return 0;
512}
513
514#ifdef CONFIG_PM_SLEEP
515static int snd_atiixp_aclink_down(struct atiixp_modem *chip)
516{
517
518
519 atiixp_update(chip, CMD,
520 ATI_REG_CMD_POWERDOWN | ATI_REG_CMD_AC_RESET,
521 ATI_REG_CMD_POWERDOWN);
522 return 0;
523}
524#endif
525
526
527
528
529
530
531
532
533
534#define ALL_CODEC_NOT_READY \
535 (ATI_REG_ISR_CODEC0_NOT_READY |\
536 ATI_REG_ISR_CODEC1_NOT_READY |\
537 ATI_REG_ISR_CODEC2_NOT_READY)
538#define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME)
539
540static int snd_atiixp_codec_detect(struct atiixp_modem *chip)
541{
542 int timeout;
543
544 chip->codec_not_ready_bits = 0;
545 atiixp_write(chip, IER, CODEC_CHECK_BITS);
546
547 timeout = 50;
548 while (timeout-- > 0) {
549 msleep(1);
550 if (chip->codec_not_ready_bits)
551 break;
552 }
553 atiixp_write(chip, IER, 0);
554
555 if ((chip->codec_not_ready_bits & ALL_CODEC_NOT_READY) == ALL_CODEC_NOT_READY) {
556 dev_err(chip->card->dev, "no codec detected!\n");
557 return -ENXIO;
558 }
559 return 0;
560}
561
562
563
564
565
566static int snd_atiixp_chip_start(struct atiixp_modem *chip)
567{
568 unsigned int reg;
569
570
571 reg = atiixp_read(chip, CMD);
572 reg |= ATI_REG_CMD_BURST_EN;
573 if(!(reg & ATI_REG_CMD_MODEM_PRESENT))
574 reg |= ATI_REG_CMD_MODEM_PRESENT;
575 atiixp_write(chip, CMD, reg);
576
577
578 atiixp_write(chip, ISR, 0xffffffff);
579
580 atiixp_write(chip, IER,
581 ATI_REG_IER_MODEM_STATUS_EN |
582 ATI_REG_IER_MODEM_IN_XRUN_EN |
583 ATI_REG_IER_MODEM_OUT1_XRUN_EN);
584 return 0;
585}
586
587
588
589
590
591static int snd_atiixp_chip_stop(struct atiixp_modem *chip)
592{
593
594 atiixp_write(chip, ISR, atiixp_read(chip, ISR));
595
596 atiixp_write(chip, IER, 0);
597 return 0;
598}
599
600
601
602
603
604
605
606
607
608
609
610static snd_pcm_uframes_t snd_atiixp_pcm_pointer(struct snd_pcm_substream *substream)
611{
612 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
613 struct snd_pcm_runtime *runtime = substream->runtime;
614 struct atiixp_dma *dma = runtime->private_data;
615 unsigned int curptr;
616 int timeout = 1000;
617
618 while (timeout--) {
619 curptr = readl(chip->remap_addr + dma->ops->dt_cur);
620 if (curptr < dma->buf_addr)
621 continue;
622 curptr -= dma->buf_addr;
623 if (curptr >= dma->buf_bytes)
624 continue;
625 return bytes_to_frames(runtime, curptr);
626 }
627 dev_dbg(chip->card->dev, "invalid DMA pointer read 0x%x (buf=%x)\n",
628 readl(chip->remap_addr + dma->ops->dt_cur), dma->buf_addr);
629 return 0;
630}
631
632
633
634
635static void snd_atiixp_xrun_dma(struct atiixp_modem *chip,
636 struct atiixp_dma *dma)
637{
638 if (! dma->substream || ! dma->running)
639 return;
640 dev_dbg(chip->card->dev, "XRUN detected (DMA %d)\n", dma->ops->type);
641 snd_pcm_stream_lock(dma->substream);
642 snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
643 snd_pcm_stream_unlock(dma->substream);
644}
645
646
647
648
649static void snd_atiixp_update_dma(struct atiixp_modem *chip,
650 struct atiixp_dma *dma)
651{
652 if (! dma->substream || ! dma->running)
653 return;
654 snd_pcm_period_elapsed(dma->substream);
655}
656
657
658
659static void snd_atiixp_check_bus_busy(struct atiixp_modem *chip)
660{
661 unsigned int bus_busy;
662 if (atiixp_read(chip, CMD) & (ATI_REG_CMD_MODEM_SEND1_EN |
663 ATI_REG_CMD_MODEM_RECEIVE_EN))
664 bus_busy = ATI_REG_IER_MODEM_SET_BUS_BUSY;
665 else
666 bus_busy = 0;
667 atiixp_update(chip, IER, ATI_REG_IER_MODEM_SET_BUS_BUSY, bus_busy);
668}
669
670
671
672
673static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
674{
675 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
676 struct atiixp_dma *dma = substream->runtime->private_data;
677 int err = 0;
678
679 if (snd_BUG_ON(!dma->ops->enable_transfer ||
680 !dma->ops->flush_dma))
681 return -EINVAL;
682
683 spin_lock(&chip->reg_lock);
684 switch(cmd) {
685 case SNDRV_PCM_TRIGGER_START:
686 dma->ops->enable_transfer(chip, 1);
687 dma->running = 1;
688 break;
689 case SNDRV_PCM_TRIGGER_STOP:
690 dma->ops->enable_transfer(chip, 0);
691 dma->running = 0;
692 break;
693 default:
694 err = -EINVAL;
695 break;
696 }
697 if (! err) {
698 snd_atiixp_check_bus_busy(chip);
699 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
700 dma->ops->flush_dma(chip);
701 snd_atiixp_check_bus_busy(chip);
702 }
703 }
704 spin_unlock(&chip->reg_lock);
705 return err;
706}
707
708
709
710
711
712
713
714
715
716static void atiixp_out_flush_dma(struct atiixp_modem *chip)
717{
718 atiixp_write(chip, MODEM_FIFO_FLUSH, ATI_REG_MODEM_FIFO_OUT1_FLUSH);
719}
720
721
722static void atiixp_out_enable_dma(struct atiixp_modem *chip, int on)
723{
724 unsigned int data;
725 data = atiixp_read(chip, CMD);
726 if (on) {
727 if (data & ATI_REG_CMD_MODEM_OUT_DMA1_EN)
728 return;
729 atiixp_out_flush_dma(chip);
730 data |= ATI_REG_CMD_MODEM_OUT_DMA1_EN;
731 } else
732 data &= ~ATI_REG_CMD_MODEM_OUT_DMA1_EN;
733 atiixp_write(chip, CMD, data);
734}
735
736
737static void atiixp_out_enable_transfer(struct atiixp_modem *chip, int on)
738{
739 atiixp_update(chip, CMD, ATI_REG_CMD_MODEM_SEND1_EN,
740 on ? ATI_REG_CMD_MODEM_SEND1_EN : 0);
741}
742
743
744static void atiixp_in_enable_dma(struct atiixp_modem *chip, int on)
745{
746 atiixp_update(chip, CMD, ATI_REG_CMD_MODEM_IN_DMA_EN,
747 on ? ATI_REG_CMD_MODEM_IN_DMA_EN : 0);
748}
749
750
751static void atiixp_in_enable_transfer(struct atiixp_modem *chip, int on)
752{
753 if (on) {
754 unsigned int data = atiixp_read(chip, CMD);
755 if (! (data & ATI_REG_CMD_MODEM_RECEIVE_EN)) {
756 data |= ATI_REG_CMD_MODEM_RECEIVE_EN;
757 atiixp_write(chip, CMD, data);
758 }
759 } else
760 atiixp_update(chip, CMD, ATI_REG_CMD_MODEM_RECEIVE_EN, 0);
761}
762
763
764static void atiixp_in_flush_dma(struct atiixp_modem *chip)
765{
766 atiixp_write(chip, MODEM_FIFO_FLUSH, ATI_REG_MODEM_FIFO_IN_FLUSH);
767}
768
769
770static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream)
771{
772 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
773 unsigned int data;
774
775 spin_lock_irq(&chip->reg_lock);
776
777 data = atiixp_read(chip, MODEM_OUT_FIFO);
778 data &= ~ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK;
779 data |= 0x04 << ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT;
780 atiixp_write(chip, MODEM_OUT_FIFO, data);
781 spin_unlock_irq(&chip->reg_lock);
782 return 0;
783}
784
785
786static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream)
787{
788 return 0;
789}
790
791
792
793
794static int snd_atiixp_pcm_hw_params(struct snd_pcm_substream *substream,
795 struct snd_pcm_hw_params *hw_params)
796{
797 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
798 struct atiixp_dma *dma = substream->runtime->private_data;
799 int err;
800 int i;
801
802 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
803 if (err < 0)
804 return err;
805 dma->buf_addr = substream->runtime->dma_addr;
806 dma->buf_bytes = params_buffer_bytes(hw_params);
807
808 err = atiixp_build_dma_packets(chip, dma, substream,
809 params_periods(hw_params),
810 params_period_bytes(hw_params));
811 if (err < 0)
812 return err;
813
814
815 for (i = 0; i < NUM_ATI_CODECS; i++) {
816 if (! chip->ac97[i])
817 continue;
818 snd_ac97_write(chip->ac97[i], AC97_LINE1_RATE, params_rate(hw_params));
819 snd_ac97_write(chip->ac97[i], AC97_LINE1_LEVEL, 0);
820 }
821
822 return err;
823}
824
825static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream)
826{
827 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
828 struct atiixp_dma *dma = substream->runtime->private_data;
829
830 atiixp_clear_dma_packets(chip, dma, substream);
831 snd_pcm_lib_free_pages(substream);
832 return 0;
833}
834
835
836
837
838
839static struct snd_pcm_hardware snd_atiixp_pcm_hw =
840{
841 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
842 SNDRV_PCM_INFO_BLOCK_TRANSFER |
843 SNDRV_PCM_INFO_MMAP_VALID),
844 .formats = SNDRV_PCM_FMTBIT_S16_LE,
845 .rates = (SNDRV_PCM_RATE_8000 |
846 SNDRV_PCM_RATE_16000 |
847 SNDRV_PCM_RATE_KNOT),
848 .rate_min = 8000,
849 .rate_max = 16000,
850 .channels_min = 2,
851 .channels_max = 2,
852 .buffer_bytes_max = 256 * 1024,
853 .period_bytes_min = 32,
854 .period_bytes_max = 128 * 1024,
855 .periods_min = 2,
856 .periods_max = ATI_MAX_DESCRIPTORS,
857};
858
859static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream,
860 struct atiixp_dma *dma, int pcm_type)
861{
862 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
863 struct snd_pcm_runtime *runtime = substream->runtime;
864 int err;
865 static unsigned int rates[] = { 8000, 9600, 12000, 16000 };
866 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
867 .count = ARRAY_SIZE(rates),
868 .list = rates,
869 .mask = 0,
870 };
871
872 if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))
873 return -EINVAL;
874
875 if (dma->opened)
876 return -EBUSY;
877 dma->substream = substream;
878 runtime->hw = snd_atiixp_pcm_hw;
879 dma->ac97_pcm_type = pcm_type;
880 if ((err = snd_pcm_hw_constraint_list(runtime, 0,
881 SNDRV_PCM_HW_PARAM_RATE,
882 &hw_constraints_rates)) < 0)
883 return err;
884 if ((err = snd_pcm_hw_constraint_integer(runtime,
885 SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
886 return err;
887 runtime->private_data = dma;
888
889
890 spin_lock_irq(&chip->reg_lock);
891 dma->ops->enable_dma(chip, 1);
892 spin_unlock_irq(&chip->reg_lock);
893 dma->opened = 1;
894
895 return 0;
896}
897
898static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream,
899 struct atiixp_dma *dma)
900{
901 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
902
903 if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))
904 return -EINVAL;
905 spin_lock_irq(&chip->reg_lock);
906 dma->ops->enable_dma(chip, 0);
907 spin_unlock_irq(&chip->reg_lock);
908 dma->substream = NULL;
909 dma->opened = 0;
910 return 0;
911}
912
913
914
915static int snd_atiixp_playback_open(struct snd_pcm_substream *substream)
916{
917 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
918 int err;
919
920 mutex_lock(&chip->open_mutex);
921 err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0);
922 mutex_unlock(&chip->open_mutex);
923 if (err < 0)
924 return err;
925 return 0;
926}
927
928static int snd_atiixp_playback_close(struct snd_pcm_substream *substream)
929{
930 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
931 int err;
932 mutex_lock(&chip->open_mutex);
933 err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]);
934 mutex_unlock(&chip->open_mutex);
935 return err;
936}
937
938static int snd_atiixp_capture_open(struct snd_pcm_substream *substream)
939{
940 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
941 return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_CAPTURE], 1);
942}
943
944static int snd_atiixp_capture_close(struct snd_pcm_substream *substream)
945{
946 struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
947 return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_CAPTURE]);
948}
949
950
951
952static struct snd_pcm_ops snd_atiixp_playback_ops = {
953 .open = snd_atiixp_playback_open,
954 .close = snd_atiixp_playback_close,
955 .ioctl = snd_pcm_lib_ioctl,
956 .hw_params = snd_atiixp_pcm_hw_params,
957 .hw_free = snd_atiixp_pcm_hw_free,
958 .prepare = snd_atiixp_playback_prepare,
959 .trigger = snd_atiixp_pcm_trigger,
960 .pointer = snd_atiixp_pcm_pointer,
961};
962
963
964static struct snd_pcm_ops snd_atiixp_capture_ops = {
965 .open = snd_atiixp_capture_open,
966 .close = snd_atiixp_capture_close,
967 .ioctl = snd_pcm_lib_ioctl,
968 .hw_params = snd_atiixp_pcm_hw_params,
969 .hw_free = snd_atiixp_pcm_hw_free,
970 .prepare = snd_atiixp_capture_prepare,
971 .trigger = snd_atiixp_pcm_trigger,
972 .pointer = snd_atiixp_pcm_pointer,
973};
974
975static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = {
976 .type = ATI_DMA_PLAYBACK,
977 .llp_offset = ATI_REG_MODEM_OUT_DMA1_LINKPTR,
978 .dt_cur = ATI_REG_MODEM_OUT_DMA1_DT_CUR,
979 .enable_dma = atiixp_out_enable_dma,
980 .enable_transfer = atiixp_out_enable_transfer,
981 .flush_dma = atiixp_out_flush_dma,
982};
983
984static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = {
985 .type = ATI_DMA_CAPTURE,
986 .llp_offset = ATI_REG_MODEM_IN_DMA_LINKPTR,
987 .dt_cur = ATI_REG_MODEM_IN_DMA_DT_CUR,
988 .enable_dma = atiixp_in_enable_dma,
989 .enable_transfer = atiixp_in_enable_transfer,
990 .flush_dma = atiixp_in_flush_dma,
991};
992
993static int snd_atiixp_pcm_new(struct atiixp_modem *chip)
994{
995 struct snd_pcm *pcm;
996 int err;
997
998
999 chip->dmas[ATI_DMA_PLAYBACK].ops = &snd_atiixp_playback_dma_ops;
1000 chip->dmas[ATI_DMA_CAPTURE].ops = &snd_atiixp_capture_dma_ops;
1001
1002
1003 err = snd_pcm_new(chip->card, "ATI IXP MC97", ATI_PCMDEV_ANALOG, 1, 1, &pcm);
1004 if (err < 0)
1005 return err;
1006 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops);
1007 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops);
1008 pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
1009 pcm->private_data = chip;
1010 strcpy(pcm->name, "ATI IXP MC97");
1011 chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm;
1012
1013 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1014 snd_dma_pci_data(chip->pci),
1015 64*1024, 128*1024);
1016
1017 return 0;
1018}
1019
1020
1021
1022
1023
1024
1025static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id)
1026{
1027 struct atiixp_modem *chip = dev_id;
1028 unsigned int status;
1029
1030 status = atiixp_read(chip, ISR);
1031
1032 if (! status)
1033 return IRQ_NONE;
1034
1035
1036 if (status & ATI_REG_ISR_MODEM_OUT1_XRUN)
1037 snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]);
1038 else if (status & ATI_REG_ISR_MODEM_OUT1_STATUS)
1039 snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]);
1040 if (status & ATI_REG_ISR_MODEM_IN_XRUN)
1041 snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]);
1042 else if (status & ATI_REG_ISR_MODEM_IN_STATUS)
1043 snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]);
1044
1045
1046 if (status & CODEC_CHECK_BITS) {
1047 unsigned int detected;
1048 detected = status & CODEC_CHECK_BITS;
1049 spin_lock(&chip->reg_lock);
1050 chip->codec_not_ready_bits |= detected;
1051 atiixp_update(chip, IER, detected, 0);
1052 spin_unlock(&chip->reg_lock);
1053 }
1054
1055
1056 atiixp_write(chip, ISR, status);
1057
1058 return IRQ_HANDLED;
1059}
1060
1061
1062
1063
1064
1065
1066static int snd_atiixp_mixer_new(struct atiixp_modem *chip, int clock)
1067{
1068 struct snd_ac97_bus *pbus;
1069 struct snd_ac97_template ac97;
1070 int i, err;
1071 int codec_count;
1072 static struct snd_ac97_bus_ops ops = {
1073 .write = snd_atiixp_ac97_write,
1074 .read = snd_atiixp_ac97_read,
1075 };
1076 static unsigned int codec_skip[NUM_ATI_CODECS] = {
1077 ATI_REG_ISR_CODEC0_NOT_READY,
1078 ATI_REG_ISR_CODEC1_NOT_READY,
1079 ATI_REG_ISR_CODEC2_NOT_READY,
1080 };
1081
1082 if (snd_atiixp_codec_detect(chip) < 0)
1083 return -ENXIO;
1084
1085 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
1086 return err;
1087 pbus->clock = clock;
1088 chip->ac97_bus = pbus;
1089
1090 codec_count = 0;
1091 for (i = 0; i < NUM_ATI_CODECS; i++) {
1092 if (chip->codec_not_ready_bits & codec_skip[i])
1093 continue;
1094 memset(&ac97, 0, sizeof(ac97));
1095 ac97.private_data = chip;
1096 ac97.pci = chip->pci;
1097 ac97.num = i;
1098 ac97.scaps = AC97_SCAP_SKIP_AUDIO | AC97_SCAP_POWER_SAVE;
1099 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
1100 chip->ac97[i] = NULL;
1101 dev_dbg(chip->card->dev,
1102 "codec %d not available for modem\n", i);
1103 continue;
1104 }
1105 codec_count++;
1106 }
1107
1108 if (! codec_count) {
1109 dev_err(chip->card->dev, "no codec available\n");
1110 return -ENODEV;
1111 }
1112
1113
1114
1115 return 0;
1116}
1117
1118
1119#ifdef CONFIG_PM_SLEEP
1120
1121
1122
1123static int snd_atiixp_suspend(struct device *dev)
1124{
1125 struct pci_dev *pci = to_pci_dev(dev);
1126 struct snd_card *card = dev_get_drvdata(dev);
1127 struct atiixp_modem *chip = card->private_data;
1128 int i;
1129
1130 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1131 for (i = 0; i < NUM_ATI_PCMDEVS; i++)
1132 snd_pcm_suspend_all(chip->pcmdevs[i]);
1133 for (i = 0; i < NUM_ATI_CODECS; i++)
1134 snd_ac97_suspend(chip->ac97[i]);
1135 snd_atiixp_aclink_down(chip);
1136 snd_atiixp_chip_stop(chip);
1137
1138 pci_disable_device(pci);
1139 pci_save_state(pci);
1140 pci_set_power_state(pci, PCI_D3hot);
1141 return 0;
1142}
1143
1144static int snd_atiixp_resume(struct device *dev)
1145{
1146 struct pci_dev *pci = to_pci_dev(dev);
1147 struct snd_card *card = dev_get_drvdata(dev);
1148 struct atiixp_modem *chip = card->private_data;
1149 int i;
1150
1151 pci_set_power_state(pci, PCI_D0);
1152 pci_restore_state(pci);
1153 if (pci_enable_device(pci) < 0) {
1154 dev_err(dev, "pci_enable_device failed, disabling device\n");
1155 snd_card_disconnect(card);
1156 return -EIO;
1157 }
1158 pci_set_master(pci);
1159
1160 snd_atiixp_aclink_reset(chip);
1161 snd_atiixp_chip_start(chip);
1162
1163 for (i = 0; i < NUM_ATI_CODECS; i++)
1164 snd_ac97_resume(chip->ac97[i]);
1165
1166 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1167 return 0;
1168}
1169
1170static SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
1171#define SND_ATIIXP_PM_OPS &snd_atiixp_pm
1172#else
1173#define SND_ATIIXP_PM_OPS NULL
1174#endif
1175
1176#ifdef CONFIG_PROC_FS
1177
1178
1179
1180
1181static void snd_atiixp_proc_read(struct snd_info_entry *entry,
1182 struct snd_info_buffer *buffer)
1183{
1184 struct atiixp_modem *chip = entry->private_data;
1185 int i;
1186
1187 for (i = 0; i < 256; i += 4)
1188 snd_iprintf(buffer, "%02x: %08x\n", i, readl(chip->remap_addr + i));
1189}
1190
1191static void snd_atiixp_proc_init(struct atiixp_modem *chip)
1192{
1193 struct snd_info_entry *entry;
1194
1195 if (! snd_card_proc_new(chip->card, "atiixp-modem", &entry))
1196 snd_info_set_text_ops(entry, chip, snd_atiixp_proc_read);
1197}
1198#else
1199#define snd_atiixp_proc_init(chip)
1200#endif
1201
1202
1203
1204
1205
1206
1207static int snd_atiixp_free(struct atiixp_modem *chip)
1208{
1209 if (chip->irq < 0)
1210 goto __hw_end;
1211 snd_atiixp_chip_stop(chip);
1212
1213 __hw_end:
1214 if (chip->irq >= 0)
1215 free_irq(chip->irq, chip);
1216 if (chip->remap_addr)
1217 iounmap(chip->remap_addr);
1218 pci_release_regions(chip->pci);
1219 pci_disable_device(chip->pci);
1220 kfree(chip);
1221 return 0;
1222}
1223
1224static int snd_atiixp_dev_free(struct snd_device *device)
1225{
1226 struct atiixp_modem *chip = device->device_data;
1227 return snd_atiixp_free(chip);
1228}
1229
1230
1231
1232
1233static int snd_atiixp_create(struct snd_card *card,
1234 struct pci_dev *pci,
1235 struct atiixp_modem **r_chip)
1236{
1237 static struct snd_device_ops ops = {
1238 .dev_free = snd_atiixp_dev_free,
1239 };
1240 struct atiixp_modem *chip;
1241 int err;
1242
1243 if ((err = pci_enable_device(pci)) < 0)
1244 return err;
1245
1246 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1247 if (chip == NULL) {
1248 pci_disable_device(pci);
1249 return -ENOMEM;
1250 }
1251
1252 spin_lock_init(&chip->reg_lock);
1253 mutex_init(&chip->open_mutex);
1254 chip->card = card;
1255 chip->pci = pci;
1256 chip->irq = -1;
1257 if ((err = pci_request_regions(pci, "ATI IXP MC97")) < 0) {
1258 kfree(chip);
1259 pci_disable_device(pci);
1260 return err;
1261 }
1262 chip->addr = pci_resource_start(pci, 0);
1263 chip->remap_addr = pci_ioremap_bar(pci, 0);
1264 if (chip->remap_addr == NULL) {
1265 dev_err(card->dev, "AC'97 space ioremap problem\n");
1266 snd_atiixp_free(chip);
1267 return -EIO;
1268 }
1269
1270 if (request_irq(pci->irq, snd_atiixp_interrupt, IRQF_SHARED,
1271 KBUILD_MODNAME, chip)) {
1272 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
1273 snd_atiixp_free(chip);
1274 return -EBUSY;
1275 }
1276 chip->irq = pci->irq;
1277 pci_set_master(pci);
1278 synchronize_irq(chip->irq);
1279
1280 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1281 snd_atiixp_free(chip);
1282 return err;
1283 }
1284
1285 *r_chip = chip;
1286 return 0;
1287}
1288
1289
1290static int snd_atiixp_probe(struct pci_dev *pci,
1291 const struct pci_device_id *pci_id)
1292{
1293 struct snd_card *card;
1294 struct atiixp_modem *chip;
1295 int err;
1296
1297 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
1298 if (err < 0)
1299 return err;
1300
1301 strcpy(card->driver, "ATIIXP-MODEM");
1302 strcpy(card->shortname, "ATI IXP Modem");
1303 if ((err = snd_atiixp_create(card, pci, &chip)) < 0)
1304 goto __error;
1305 card->private_data = chip;
1306
1307 if ((err = snd_atiixp_aclink_reset(chip)) < 0)
1308 goto __error;
1309
1310 if ((err = snd_atiixp_mixer_new(chip, ac97_clock)) < 0)
1311 goto __error;
1312
1313 if ((err = snd_atiixp_pcm_new(chip)) < 0)
1314 goto __error;
1315
1316 snd_atiixp_proc_init(chip);
1317
1318 snd_atiixp_chip_start(chip);
1319
1320 sprintf(card->longname, "%s rev %x at 0x%lx, irq %i",
1321 card->shortname, pci->revision, chip->addr, chip->irq);
1322
1323 if ((err = snd_card_register(card)) < 0)
1324 goto __error;
1325
1326 pci_set_drvdata(pci, card);
1327 return 0;
1328
1329 __error:
1330 snd_card_free(card);
1331 return err;
1332}
1333
1334static void snd_atiixp_remove(struct pci_dev *pci)
1335{
1336 snd_card_free(pci_get_drvdata(pci));
1337}
1338
1339static struct pci_driver atiixp_modem_driver = {
1340 .name = KBUILD_MODNAME,
1341 .id_table = snd_atiixp_ids,
1342 .probe = snd_atiixp_probe,
1343 .remove = snd_atiixp_remove,
1344 .driver = {
1345 .pm = SND_ATIIXP_PM_OPS,
1346 },
1347};
1348
1349module_pci_driver(atiixp_modem_driver);
1350
