1 // SPDX-License-Identifier: GPL-2.0-or-later
7  *  Copyright (c) by James Courtier-Dutton <[email protected]>
10  *    --
15  *    - EMU10K1X-DBQ
16  *    - STAC 9708T
21 #include <linux/dma-mapping.h>
62 #define IPR_MIDITRANSBUFEMPTY   0x00000001	/* MIDI UART transmit buffer empty		*/
63 #define IPR_MIDIRECVBUFEMPTY    0x00000002	/* MIDI UART receive buffer empty		*/
70 #define INTE_MIDITXENABLE       0x00000001	/* Enable MIDI transmit-buffer-empty interrupts	*/
71 #define INTE_MIDIRXENABLE       0x00000002	/* Enable MIDI receive-buffer-empty interrupts	*/
81 #define HCFG_AUDIOENABLE	0x00000001	/* 0 = CODECs transmit zero-valued samples	*/
84 #define GPIO			0x18		/* Defaults: 00001080-Analog, 00001000-SPDIF.   */
92 /* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers			*/
100 #define PLAYBACK_LIST_SIZE	0x01		/* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000  */
114 /* From 0x20 - 0x3f, last samples played on each channel */
149 #define SPCS_GENERATIONSTATUS	0x00008000	/* Originality flag (see IEC-958 spec)		*/
150 #define SPCS_CATEGORYCODEMASK	0x00007f00	/* Category code (see IEC-958 spec)		*/
151 #define SPCS_MODEMASK		0x000000c0	/* Mode (see IEC-958 spec)			*/
155 #define SPCS_COPYRIGHT		0x00000004	/* Copyright asserted flag -- do not modify	*/
157 #define SPCS_PROFESSIONAL	0x00000001	/* 0 = Consumer (IEC-958), 1 = pro (AES3-1992)	*/
159 #define SPDIF_SELECT		0x45		/* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */
166 /* From 0x50 - 0x5f, last samples captured */
170  *  - channel 0 is the front channel
171  *  - channel 1 is the rear channel
172  *  - channel 2 is the center/lfe channel
175  * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects
177  * 4-Speaker Stereo, both front and rear channels will be mixed in the
213 // definition of the chip-specific record
222 	unsigned int serial;            /* serial number */  member
237 	struct emu10k1x_midi midi;  member
288 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_ptr_read()
289 	outl(regptr, emu->port + PTR);  in snd_emu10k1x_ptr_read()
290 	val = inl(emu->port + DATA);  in snd_emu10k1x_ptr_read()
291 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_ptr_read()
305 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_ptr_write()
306 	outl(regptr, emu->port + PTR);  in snd_emu10k1x_ptr_write()
307 	outl(data, emu->port + DATA);  in snd_emu10k1x_ptr_write()
308 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_ptr_write()
316 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_intr_enable()
317 	intr_enable = inl(emu->port + INTE) | intrenb;  in snd_emu10k1x_intr_enable()
318 	outl(intr_enable, emu->port + INTE);  in snd_emu10k1x_intr_enable()
319 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_intr_enable()
327 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_intr_disable()
328 	intr_enable = inl(emu->port + INTE) & ~intrenb;  in snd_emu10k1x_intr_disable()
329 	outl(intr_enable, emu->port + INTE);  in snd_emu10k1x_intr_disable()
330 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_intr_disable()
337 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_gpio_write()
338 	outl(value, emu->port + GPIO);  in snd_emu10k1x_gpio_write()
339 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_gpio_write()
344 	kfree(runtime->private_data);  in snd_emu10k1x_pcm_free_substream()
351 	epcm = voice->epcm;  in snd_emu10k1x_pcm_interrupt()
354 	if (epcm->substream == NULL)  in snd_emu10k1x_pcm_interrupt()
357 	dev_info(emu->card->dev,  in snd_emu10k1x_pcm_interrupt()
359 		   epcm->substream->ops->pointer(epcm->substream),  in snd_emu10k1x_pcm_interrupt()
360 		   snd_pcm_lib_period_bytes(epcm->substream),  in snd_emu10k1x_pcm_interrupt()
361 		   snd_pcm_lib_buffer_bytes(epcm->substream));  in snd_emu10k1x_pcm_interrupt()
363 	snd_pcm_period_elapsed(epcm->substream);  in snd_emu10k1x_pcm_interrupt()
371 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_playback_open()
383 		return -ENOMEM;  in snd_emu10k1x_playback_open()
384 	epcm->emu = chip;  in snd_emu10k1x_playback_open()
385 	epcm->substream = substream;  in snd_emu10k1x_playback_open()
387 	runtime->private_data = epcm;  in snd_emu10k1x_playback_open()
388 	runtime->private_free = snd_emu10k1x_pcm_free_substream;  in snd_emu10k1x_playback_open()
390 	runtime->hw = snd_emu10k1x_playback_hw;  in snd_emu10k1x_playback_open()
405 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_params()
406 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_params()
408 	if (! epcm->voice) {  in snd_emu10k1x_pcm_hw_params()
409 		epcm->voice = &epcm->emu->voices[substream->pcm->device];  in snd_emu10k1x_pcm_hw_params()
410 		epcm->voice->use = 1;  in snd_emu10k1x_pcm_hw_params()
411 		epcm->voice->epcm = epcm;  in snd_emu10k1x_pcm_hw_params()
420 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_free()
423 	if (runtime->private_data == NULL)  in snd_emu10k1x_pcm_hw_free()
426 	epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_free()
428 	if (epcm->voice) {  in snd_emu10k1x_pcm_hw_free()
429 		epcm->voice->use = 0;  in snd_emu10k1x_pcm_hw_free()
430 		epcm->voice->epcm = NULL;  in snd_emu10k1x_pcm_hw_free()
431 		epcm->voice = NULL;  in snd_emu10k1x_pcm_hw_free()
441 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_prepare()
442 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_prepare()
443 	int voice = epcm->voice->number;  in snd_emu10k1x_pcm_prepare()
444 	u32 *table_base = (u32 *)(emu->dma_buffer->area+1024*voice);  in snd_emu10k1x_pcm_prepare()
445 	u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);  in snd_emu10k1x_pcm_prepare()
448 	for(i = 0; i < runtime->periods; i++) {  in snd_emu10k1x_pcm_prepare()
449 		*table_base++=runtime->dma_addr+(i*period_size_bytes);  in snd_emu10k1x_pcm_prepare()
453 	snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer->addr+1024*voice);  in snd_emu10k1x_pcm_prepare()
454 	snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);  in snd_emu10k1x_pcm_prepare()
459 	snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);  in snd_emu10k1x_pcm_prepare()
461 …snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_…  in snd_emu10k1x_pcm_prepare()
471 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_trigger()
472 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_trigger()
473 	int channel = epcm->voice->number;  in snd_emu10k1x_pcm_trigger()
477 	dev_dbg(emu->card->dev,  in snd_emu10k1x_pcm_trigger()
478 		"trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n",  in snd_emu10k1x_pcm_trigger()
479 		(int)emu, cmd, (int)substream->ops->pointer(substream));  in snd_emu10k1x_pcm_trigger()
484 		if(runtime->periods == 2)  in snd_emu10k1x_pcm_trigger()
488 		epcm->running = 1;  in snd_emu10k1x_pcm_trigger()
492 		epcm->running = 0;  in snd_emu10k1x_pcm_trigger()
497 		result = -EINVAL;  in snd_emu10k1x_pcm_trigger()
508 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_pointer()
509 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_pointer()
510 	int channel = epcm->voice->number;  in snd_emu10k1x_pcm_pointer()
513 	if (!epcm->running)  in snd_emu10k1x_pcm_pointer()
520 	if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))  in snd_emu10k1x_pcm_pointer()
526 	ptr2 += (ptr4 >> 3) * runtime->period_size;  in snd_emu10k1x_pcm_pointer()
529 	if (ptr >= runtime->buffer_size)  in snd_emu10k1x_pcm_pointer()
530 		ptr -= runtime->buffer_size;  in snd_emu10k1x_pcm_pointer()
551 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_open_capture()
563 		return -ENOMEM;  in snd_emu10k1x_pcm_open_capture()
565 	epcm->emu = chip;  in snd_emu10k1x_pcm_open_capture()
566 	epcm->substream = substream;  in snd_emu10k1x_pcm_open_capture()
568 	runtime->private_data = epcm;  in snd_emu10k1x_pcm_open_capture()
569 	runtime->private_free = snd_emu10k1x_pcm_free_substream;  in snd_emu10k1x_pcm_open_capture()
571 	runtime->hw = snd_emu10k1x_capture_hw;  in snd_emu10k1x_pcm_open_capture()
586 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_params_capture()
587 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_params_capture()
589 	if (! epcm->voice) {  in snd_emu10k1x_pcm_hw_params_capture()
590 		if (epcm->emu->capture_voice.use)  in snd_emu10k1x_pcm_hw_params_capture()
591 			return -EBUSY;  in snd_emu10k1x_pcm_hw_params_capture()
592 		epcm->voice = &epcm->emu->capture_voice;  in snd_emu10k1x_pcm_hw_params_capture()
593 		epcm->voice->epcm = epcm;  in snd_emu10k1x_pcm_hw_params_capture()
594 		epcm->voice->use = 1;  in snd_emu10k1x_pcm_hw_params_capture()
603 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_hw_free_capture()
607 	if (runtime->private_data == NULL)  in snd_emu10k1x_pcm_hw_free_capture()
609 	epcm = runtime->private_data;  in snd_emu10k1x_pcm_hw_free_capture()
611 	if (epcm->voice) {  in snd_emu10k1x_pcm_hw_free_capture()
612 		epcm->voice->use = 0;  in snd_emu10k1x_pcm_hw_free_capture()
613 		epcm->voice->epcm = NULL;  in snd_emu10k1x_pcm_hw_free_capture()
614 		epcm->voice = NULL;  in snd_emu10k1x_pcm_hw_free_capture()
624 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_prepare_capture()
626 	snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);  in snd_emu10k1x_pcm_prepare_capture()
627 …snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)…  in snd_emu10k1x_pcm_prepare_capture()
639 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_trigger_capture()
640 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_trigger_capture()
648 		epcm->running = 1;  in snd_emu10k1x_pcm_trigger_capture()
651 		epcm->running = 0;  in snd_emu10k1x_pcm_trigger_capture()
657 		result = -EINVAL;  in snd_emu10k1x_pcm_trigger_capture()
668 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_emu10k1x_pcm_pointer_capture()
669 	struct emu10k1x_pcm *epcm = runtime->private_data;  in snd_emu10k1x_pcm_pointer_capture()
672 	if (!epcm->running)  in snd_emu10k1x_pcm_pointer_capture()
676 	if (ptr >= runtime->buffer_size)  in snd_emu10k1x_pcm_pointer_capture()
677 		ptr -= runtime->buffer_size;  in snd_emu10k1x_pcm_pointer_capture()
695 	struct emu10k1x *emu = ac97->private_data;  in snd_emu10k1x_ac97_read()
699 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_ac97_read()
700 	outb(reg, emu->port + AC97ADDRESS);  in snd_emu10k1x_ac97_read()
701 	val = inw(emu->port + AC97DATA);  in snd_emu10k1x_ac97_read()
702 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_ac97_read()
709 	struct emu10k1x *emu = ac97->private_data;  in snd_emu10k1x_ac97_write()
712 	spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_ac97_write()
713 	outb(reg, emu->port + AC97ADDRESS);  in snd_emu10k1x_ac97_write()
714 	outw(val, emu->port + AC97DATA);  in snd_emu10k1x_ac97_write()
715 	spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_ac97_write()
728 	err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus);  in snd_emu10k1x_ac97()
731 	pbus->no_vra = 1; /* we don't need VRA */  in snd_emu10k1x_ac97()
736 	return snd_ac97_mixer(pbus, &ac97, &chip->ac97);  in snd_emu10k1x_ac97()
741 	struct emu10k1x *chip = card->private_data;  in snd_emu10k1x_free()
745 	outl(0, chip->port + INTE);  in snd_emu10k1x_free()
747 	outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);  in snd_emu10k1x_free()
755 	struct emu10k1x_voice *pvoice = chip->voices;  in snd_emu10k1x_interrupt()
759 	status = inl(chip->port + IPR);  in snd_emu10k1x_interrupt()
766 		struct emu10k1x_voice *cap_voice = &chip->capture_voice;  in snd_emu10k1x_interrupt()
767 		if (cap_voice->use)  in snd_emu10k1x_interrupt()
778 			if (pvoice->use)  in snd_emu10k1x_interrupt()
788 		if (chip->midi.interrupt)  in snd_emu10k1x_interrupt()
789 			chip->midi.interrupt(chip, status);  in snd_emu10k1x_interrupt()
795 	outl(status, chip->port + IPR);  in snd_emu10k1x_interrupt()
797 	/* dev_dbg(chip->card->dev, "interrupt %08x\n", status); */  in snd_emu10k1x_interrupt()
823 	err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm);  in snd_emu10k1x_pcm()
827 	pcm->private_data = emu;  in snd_emu10k1x_pcm()
840 	pcm->info_flags = 0;  in snd_emu10k1x_pcm()
843 		strcpy(pcm->name, "EMU10K1X Front");  in snd_emu10k1x_pcm()
847 		strcpy(pcm->name, "EMU10K1X Rear");  in snd_emu10k1x_pcm()
851 		strcpy(pcm->name, "EMU10K1X Center/LFE");  in snd_emu10k1x_pcm()
855 	emu->pcm = pcm;  in snd_emu10k1x_pcm()
858 				       &emu->pci->dev, 32*1024, 32*1024);  in snd_emu10k1x_pcm()
867 	struct emu10k1x *chip = card->private_data;  in snd_emu10k1x_create()
875 	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28)) < 0) {  in snd_emu10k1x_create()
876 		dev_err(card->dev, "error to set 28bit mask DMA\n");  in snd_emu10k1x_create()
877 		return -ENXIO;  in snd_emu10k1x_create()
880 	chip->card = card;  in snd_emu10k1x_create()
881 	chip->pci = pci;  in snd_emu10k1x_create()
882 	chip->irq = -1;  in snd_emu10k1x_create()
884 	spin_lock_init(&chip->emu_lock);  in snd_emu10k1x_create()
885 	spin_lock_init(&chip->voice_lock);  in snd_emu10k1x_create()
890 	chip->port = pci_resource_start(pci, 0);  in snd_emu10k1x_create()
892 	if (devm_request_irq(&pci->dev, pci->irq, snd_emu10k1x_interrupt,  in snd_emu10k1x_create()
894 		dev_err(card->dev, "cannot grab irq %d\n", pci->irq);  in snd_emu10k1x_create()
895 		return -EBUSY;  in snd_emu10k1x_create()
897 	chip->irq = pci->irq;  in snd_emu10k1x_create()
898 	card->sync_irq = chip->irq;  in snd_emu10k1x_create()
899 	card->private_free = snd_emu10k1x_free;  in snd_emu10k1x_create()
901 	chip->dma_buffer = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,  in snd_emu10k1x_create()
903 	if (!chip->dma_buffer)  in snd_emu10k1x_create()
904 		return -ENOMEM;  in snd_emu10k1x_create()
907 	/* read revision & serial */  in snd_emu10k1x_create()
908 	chip->revision = pci->revision;  in snd_emu10k1x_create()
909 	pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);  in snd_emu10k1x_create()
910 	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);  in snd_emu10k1x_create()
911 	dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model,  in snd_emu10k1x_create()
912 		   chip->revision, chip->serial);  in snd_emu10k1x_create()
914 	outl(0, chip->port + INTE);	  in snd_emu10k1x_create()
917 		chip->voices[ch].emu = chip;  in snd_emu10k1x_create()
918 		chip->voices[ch].number = ch;  in snd_emu10k1x_create()
936 			       chip->spdif_bits[0] =   in snd_emu10k1x_create()
942 			       chip->spdif_bits[1] =   in snd_emu10k1x_create()
948 			       chip->spdif_bits[2] =   in snd_emu10k1x_create()
958 	outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);  in snd_emu10k1x_create()
966 	struct emu10k1x *emu = entry->private_data;  in snd_emu10k1x_proc_reg_read()
973 		spin_lock_irqsave(&emu->emu_lock, flags);  in snd_emu10k1x_proc_reg_read()
974 		value = inl(emu->port + i);  in snd_emu10k1x_proc_reg_read()
975 		spin_unlock_irqrestore(&emu->emu_lock, flags);  in snd_emu10k1x_proc_reg_read()
994 	struct emu10k1x *emu = entry->private_data;  in snd_emu10k1x_proc_reg_write()
1009 	snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu,  in snd_emu10k1x_proc_init()
1022 	ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;  in snd_emu10k1x_shared_spdif_get()
1033 	val = ucontrol->value.integer.value[0] ;  in snd_emu10k1x_shared_spdif_put()
1060 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;  in snd_emu10k1x_spdif_info()
1061 	uinfo->count = 1;  in snd_emu10k1x_spdif_info()
1069 	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);  in snd_emu10k1x_spdif_get()
1071 	ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;  in snd_emu10k1x_spdif_get()
1072 	ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;  in snd_emu10k1x_spdif_get()
1073 	ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;  in snd_emu10k1x_spdif_get()
1074 	ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;  in snd_emu10k1x_spdif_get()
1081 	ucontrol->value.iec958.status[0] = 0xff;  in snd_emu10k1x_spdif_get_mask()
1082 	ucontrol->value.iec958.status[1] = 0xff;  in snd_emu10k1x_spdif_get_mask()
1083 	ucontrol->value.iec958.status[2] = 0xff;  in snd_emu10k1x_spdif_get_mask()
1084 	ucontrol->value.iec958.status[3] = 0xff;  in snd_emu10k1x_spdif_get_mask()
1092 	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);  in snd_emu10k1x_spdif_put()
1096 	val = (ucontrol->value.iec958.status[0] << 0) |  in snd_emu10k1x_spdif_put()
1097 		(ucontrol->value.iec958.status[1] << 8) |  in snd_emu10k1x_spdif_put()
1098 		(ucontrol->value.iec958.status[2] << 16) |  in snd_emu10k1x_spdif_put()
1099 		(ucontrol->value.iec958.status[3] << 24);  in snd_emu10k1x_spdif_put()
1100 	change = val != emu->spdif_bits[idx];  in snd_emu10k1x_spdif_put()
1103 		emu->spdif_bits[idx] = val;  in snd_emu10k1x_spdif_put()
1132 	struct snd_card *card = emu->card;  in snd_emu10k1x_mixer()
1136 		return -ENOMEM;  in snd_emu10k1x_mixer()
1142 		return -ENOMEM;  in snd_emu10k1x_mixer()
1148 		return -ENOMEM;  in snd_emu10k1x_mixer()
1161 	return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);  in mpu401_read()
1166 	snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);  in mpu401_write()
1184 	for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)  in mpu401_clear_rx()
1188 		dev_err(emu->card->dev,  in mpu401_clear_rx()
1199 				       struct emu10k1x_midi *midi, unsigned int status)  in do_emu10k1x_midi_interrupt()  argument
1203 	if (midi->rmidi == NULL) {  in do_emu10k1x_midi_interrupt()
1204 		snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);  in do_emu10k1x_midi_interrupt()
1208 	spin_lock(&midi->input_lock);  in do_emu10k1x_midi_interrupt()
1209 	if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {  in do_emu10k1x_midi_interrupt()
1210 		if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {  in do_emu10k1x_midi_interrupt()
1211 			mpu401_clear_rx(emu, midi);  in do_emu10k1x_midi_interrupt()
1213 			byte = mpu401_read_data(emu, midi);  in do_emu10k1x_midi_interrupt()
1214 			if (midi->substream_input)  in do_emu10k1x_midi_interrupt()
1215 				snd_rawmidi_receive(midi->substream_input, &byte, 1);  in do_emu10k1x_midi_interrupt()
1218 	spin_unlock(&midi->input_lock);  in do_emu10k1x_midi_interrupt()
1220 	spin_lock(&midi->output_lock);  in do_emu10k1x_midi_interrupt()
1221 	if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {  in do_emu10k1x_midi_interrupt()
1222 		if (midi->substream_output &&  in do_emu10k1x_midi_interrupt()
1223 		    snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {  in do_emu10k1x_midi_interrupt()
1224 			mpu401_write_data(emu, midi, byte);  in do_emu10k1x_midi_interrupt()
1226 			snd_emu10k1x_intr_disable(emu, midi->tx_enable);  in do_emu10k1x_midi_interrupt()
1229 	spin_unlock(&midi->output_lock);  in do_emu10k1x_midi_interrupt()
1234 	do_emu10k1x_midi_interrupt(emu, &emu->midi, status);  in snd_emu10k1x_midi_interrupt()
1238 				  struct emu10k1x_midi *midi, unsigned char cmd, int ack)  in snd_emu10k1x_midi_cmd()  argument
1243 	spin_lock_irqsave(&midi->input_lock, flags);  in snd_emu10k1x_midi_cmd()
1244 	mpu401_write_data(emu, midi, 0x00);  in snd_emu10k1x_midi_cmd()
1245 	/* mpu401_clear_rx(emu, midi); */  in snd_emu10k1x_midi_cmd()
1247 	mpu401_write_cmd(emu, midi, cmd);  in snd_emu10k1x_midi_cmd()
1251 		while (!ok && timeout-- > 0) {  in snd_emu10k1x_midi_cmd()
1252 			if (mpu401_input_avail(emu, midi)) {  in snd_emu10k1x_midi_cmd()
1253 				if (mpu401_read_data(emu, midi) == MPU401_ACK)  in snd_emu10k1x_midi_cmd()
1257 		if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)  in snd_emu10k1x_midi_cmd()
1262 	spin_unlock_irqrestore(&midi->input_lock, flags);  in snd_emu10k1x_midi_cmd()
1264 		dev_err(emu->card->dev,  in snd_emu10k1x_midi_cmd()
1266 			   cmd, emu->port,  in snd_emu10k1x_midi_cmd()
1267 			   mpu401_read_stat(emu, midi),  in snd_emu10k1x_midi_cmd()
1268 			   mpu401_read_data(emu, midi));  in snd_emu10k1x_midi_cmd()
1277 	struct emu10k1x_midi *midi = substream->rmidi->private_data;  in snd_emu10k1x_midi_input_open()  local
1280 	emu = midi->emu;  in snd_emu10k1x_midi_input_open()
1282 		return -ENXIO;  in snd_emu10k1x_midi_input_open()
1283 	spin_lock_irqsave(&midi->open_lock, flags);  in snd_emu10k1x_midi_input_open()
1284 	midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;  in snd_emu10k1x_midi_input_open()
1285 	midi->substream_input = substream;  in snd_emu10k1x_midi_input_open()
1286 	if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {  in snd_emu10k1x_midi_input_open()
1287 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_input_open()
1288 		if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))  in snd_emu10k1x_midi_input_open()
1290 		if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))  in snd_emu10k1x_midi_input_open()
1293 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_input_open()
1298 	return -EIO;  in snd_emu10k1x_midi_input_open()
1304 	struct emu10k1x_midi *midi = substream->rmidi->private_data;  in snd_emu10k1x_midi_output_open()  local
1307 	emu = midi->emu;  in snd_emu10k1x_midi_output_open()
1309 		return -ENXIO;  in snd_emu10k1x_midi_output_open()
1310 	spin_lock_irqsave(&midi->open_lock, flags);  in snd_emu10k1x_midi_output_open()
1311 	midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;  in snd_emu10k1x_midi_output_open()
1312 	midi->substream_output = substream;  in snd_emu10k1x_midi_output_open()
1313 	if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {  in snd_emu10k1x_midi_output_open()
1314 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_output_open()
1315 		if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))  in snd_emu10k1x_midi_output_open()
1317 		if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))  in snd_emu10k1x_midi_output_open()
1320 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_output_open()
1325 	return -EIO;  in snd_emu10k1x_midi_output_open()
1331 	struct emu10k1x_midi *midi = substream->rmidi->private_data;  in snd_emu10k1x_midi_input_close()  local
1335 	emu = midi->emu;  in snd_emu10k1x_midi_input_close()
1337 		return -ENXIO;  in snd_emu10k1x_midi_input_close()
1338 	spin_lock_irqsave(&midi->open_lock, flags);  in snd_emu10k1x_midi_input_close()
1339 	snd_emu10k1x_intr_disable(emu, midi->rx_enable);  in snd_emu10k1x_midi_input_close()
1340 	midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;  in snd_emu10k1x_midi_input_close()
1341 	midi->substream_input = NULL;  in snd_emu10k1x_midi_input_close()
1342 	if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {  in snd_emu10k1x_midi_input_close()
1343 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_input_close()
1344 		err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);  in snd_emu10k1x_midi_input_close()
1346 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_input_close()
1354 	struct emu10k1x_midi *midi = substream->rmidi->private_data;  in snd_emu10k1x_midi_output_close()  local
1358 	emu = midi->emu;  in snd_emu10k1x_midi_output_close()
1360 		return -ENXIO;  in snd_emu10k1x_midi_output_close()
1361 	spin_lock_irqsave(&midi->open_lock, flags);  in snd_emu10k1x_midi_output_close()
1362 	snd_emu10k1x_intr_disable(emu, midi->tx_enable);  in snd_emu10k1x_midi_output_close()
1363 	midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;  in snd_emu10k1x_midi_output_close()
1364 	midi->substream_output = NULL;  in snd_emu10k1x_midi_output_close()
1365 	if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {  in snd_emu10k1x_midi_output_close()
1366 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_output_close()
1367 		err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);  in snd_emu10k1x_midi_output_close()
1369 		spin_unlock_irqrestore(&midi->open_lock, flags);  in snd_emu10k1x_midi_output_close()
1377 	struct emu10k1x_midi *midi = substream->rmidi->private_data;  in snd_emu10k1x_midi_input_trigger()  local
1378 	emu = midi->emu;  in snd_emu10k1x_midi_input_trigger()
1383 		snd_emu10k1x_intr_enable(emu, midi->rx_enable);  in snd_emu10k1x_midi_input_trigger()
1385 		snd_emu10k1x_intr_disable(emu, midi->rx_enable);  in snd_emu10k1x_midi_input_trigger()
1391 	struct emu10k1x_midi *midi = substream->rmidi->private_data;  in snd_emu10k1x_midi_output_trigger()  local
1394 	emu = midi->emu;  in snd_emu10k1x_midi_output_trigger()
1403 		spin_lock_irqsave(&midi->output_lock, flags);  in snd_emu10k1x_midi_output_trigger()
1405 			if (mpu401_output_ready(emu, midi)) {  in snd_emu10k1x_midi_output_trigger()
1406 				if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||  in snd_emu10k1x_midi_output_trigger()
1409 					spin_unlock_irqrestore(&midi->output_lock, flags);  in snd_emu10k1x_midi_output_trigger()
1412 				mpu401_write_data(emu, midi, byte);  in snd_emu10k1x_midi_output_trigger()
1413 				max--;  in snd_emu10k1x_midi_output_trigger()
1418 		spin_unlock_irqrestore(&midi->output_lock, flags);  in snd_emu10k1x_midi_output_trigger()
1419 		snd_emu10k1x_intr_enable(emu, midi->tx_enable);  in snd_emu10k1x_midi_output_trigger()
1421 		snd_emu10k1x_intr_disable(emu, midi->tx_enable);  in snd_emu10k1x_midi_output_trigger()
1445 	struct emu10k1x_midi *midi = rmidi->private_data;  in snd_emu10k1x_midi_free()  local
1446 	midi->interrupt = NULL;  in snd_emu10k1x_midi_free()
1447 	midi->rmidi = NULL;  in snd_emu10k1x_midi_free()
1451 			      struct emu10k1x_midi *midi, int device,  in emu10k1x_midi_init()  argument
1457 	err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi);  in emu10k1x_midi_init()
1460 	midi->emu = emu;  in emu10k1x_midi_init()
1461 	spin_lock_init(&midi->open_lock);  in emu10k1x_midi_init()
1462 	spin_lock_init(&midi->input_lock);  in emu10k1x_midi_init()
1463 	spin_lock_init(&midi->output_lock);  in emu10k1x_midi_init()
1464 	strcpy(rmidi->name, name);  in emu10k1x_midi_init()
1467 	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |  in emu10k1x_midi_init()
1470 	rmidi->private_data = midi;  in emu10k1x_midi_init()
1471 	rmidi->private_free = snd_emu10k1x_midi_free;  in emu10k1x_midi_init()
1472 	midi->rmidi = rmidi;  in emu10k1x_midi_init()
1478 	struct emu10k1x_midi *midi = &emu->midi;  in snd_emu10k1x_midi()  local
1481 	err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)");  in snd_emu10k1x_midi()
1485 	midi->tx_enable = INTE_MIDITXENABLE;  in snd_emu10k1x_midi()
1486 	midi->rx_enable = INTE_MIDIRXENABLE;  in snd_emu10k1x_midi()
1487 	midi->port = MUDATA;  in snd_emu10k1x_midi()
1488 	midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;  in snd_emu10k1x_midi()
1489 	midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;  in snd_emu10k1x_midi()
1490 	midi->interrupt = snd_emu10k1x_midi_interrupt;  in snd_emu10k1x_midi()
1503 		return -ENODEV;  in __snd_emu10k1x_probe()
1506 		return -ENOENT;  in __snd_emu10k1x_probe()
1509 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,  in __snd_emu10k1x_probe()
1513 	chip = card->private_data;  in __snd_emu10k1x_probe()
1543 	strcpy(card->driver, "EMU10K1X");  in __snd_emu10k1x_probe()
1544 	strcpy(card->shortname, "Dell Sound Blaster Live!");  in __snd_emu10k1x_probe()
1545 	sprintf(card->longname, "%s at 0x%lx irq %i",  in __snd_emu10k1x_probe()
1546 		card->shortname, chip->port, chip->irq);  in __snd_emu10k1x_probe()
1560 	return snd_card_free_on_error(&pci->dev, __snd_emu10k1x_probe(pci, pci_id));  in snd_emu10k1x_probe()