emu10k1_main.c

linux2.6.16版本

	 .driver = "EMU10K1", .name = "SB Live 5.1 Dell OEM [SB0220]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	/* Tested by Thomas Zehetbauer 27th Aug 2005 */
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80651102,
	 .driver = "EMU10K1", .name = "SB Live 5.1 [SB0220]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x100a1102,
	 .driver = "EMU10K1", .name = "SB Live 5.1 [SB0220]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80641102,
	 .driver = "EMU10K1", .name = "SB Live 5.1", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	/* Tested by alsa bugtrack user "hus" bug #1297 12th Aug 2005 */
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80611102,
	 .driver = "EMU10K1", .name = "SBLive 5.1 [SB0060]",
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 2, /* ac97 is optional; both SBLive 5.1 and platinum
			  * share the same IDs!
			  */
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80511102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4850]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80401102,
	 .driver = "EMU10K1", .name = "SBLive! Platinum [CT4760P]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80321102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4871]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80311102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4831]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80281102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4870]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	/* Tested by [e-mail] 3rd July 2005 */
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80271102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4832]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80261102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4830]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80231102,
	 .driver = "EMU10K1", .name = "SB PCI512 [CT4790]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80221102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4780]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x40011102,
	 .driver = "EMU10K1", .name = "E-mu APS [4001]", 
	 .id = "APS",
	 .emu10k1_chip = 1,
	 .ecard = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00211102,
	 .driver = "EMU10K1", .name = "SBLive! [CT4620]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00201102,
	 .driver = "EMU10K1", .name = "SBLive! Value [CT4670]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{.vendor = 0x1102, .device = 0x0002,
	 .driver = "EMU10K1", .name = "SB Live [Unknown]", 
	 .id = "Live",
	 .emu10k1_chip = 1,
	 .ac97_chip = 1,
	 .sblive51 = 1} ,
	{ } /* terminator */
};

int __devinit snd_emu10k1_create(struct snd_card *card,
		       struct pci_dev * pci,
		       unsigned short extin_mask,
		       unsigned short extout_mask,
		       long max_cache_bytes,
		       int enable_ir,
		       uint subsystem,
		       struct snd_emu10k1 ** remu)
{
	struct snd_emu10k1 *emu;
	int idx, err;
	int is_audigy;
	unsigned char revision;
	unsigned int silent_page;
	const struct snd_emu_chip_details *c;
	static struct snd_device_ops ops = {
		.dev_free =	snd_emu10k1_dev_free,
	};
	
	*remu = NULL;

	/* enable PCI device */
	if ((err = pci_enable_device(pci)) < 0)
		return err;

	emu = kzalloc(sizeof(*emu), GFP_KERNEL);
	if (emu == NULL) {
		pci_disable_device(pci);
		return -ENOMEM;
	}
	emu->card = card;
	spin_lock_init(&emu->reg_lock);
	spin_lock_init(&emu->emu_lock);
	spin_lock_init(&emu->voice_lock);
	spin_lock_init(&emu->synth_lock);
	spin_lock_init(&emu->memblk_lock);
	init_MUTEX(&emu->ptb_lock);
	init_MUTEX(&emu->fx8010.lock);
	INIT_LIST_HEAD(&emu->mapped_link_head);
	INIT_LIST_HEAD(&emu->mapped_order_link_head);
	emu->pci = pci;
	emu->irq = -1;
	emu->synth = NULL;
	emu->get_synth_voice = NULL;
	/* read revision & serial */
	pci_read_config_byte(pci, PCI_REVISION_ID, &revision);
	emu->revision = revision;
	pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &emu->model);
	snd_printdd("vendor=0x%x, device=0x%x, subsystem_vendor_id=0x%x, subsystem_id=0x%x\n",pci->vendor, pci->device, emu->serial, emu->model);

	for (c = emu_chip_details; c->vendor; c++) {
		if (c->vendor == pci->vendor && c->device == pci->device) {
			if (subsystem) {
				if (c->subsystem && (c->subsystem == subsystem) ) {
					break;
				} else continue;
			} else {
				if (c->subsystem && (c->subsystem != emu->serial) )
					continue;
				if (c->revision && c->revision != emu->revision)
					continue;
			}
			break;
		}
	}
	if (c->vendor == 0) {
		snd_printk(KERN_ERR "emu10k1: Card not recognised\n");
		kfree(emu);
		pci_disable_device(pci);
		return -ENOENT;
	}
	emu->card_capabilities = c;
	if (c->subsystem && !subsystem)
		snd_printdd("Sound card name=%s\n", c->name);
	else if (subsystem) 
		snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x. Forced to subsytem=0x%x\n",
		       	c->name, pci->vendor, pci->device, emu->serial, c->subsystem);
	else 
		snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x.\n",
		      	c->name, pci->vendor, pci->device, emu->serial);
	
	if (!*card->id && c->id) {
		int i, n = 0;
		strlcpy(card->id, c->id, sizeof(card->id));
		for (;;) {
			for (i = 0; i < snd_ecards_limit; i++) {
				if (snd_cards[i] && !strcmp(snd_cards[i]->id, card->id))
					break;
			}
			if (i >= snd_ecards_limit)
				break;
			n++;
			if (n >= SNDRV_CARDS)
				break;
			snprintf(card->id, sizeof(card->id), "%s_%d", c->id, n);
		}
	}

	is_audigy = emu->audigy = c->emu10k2_chip;

	/* set the DMA transfer mask */
	emu->dma_mask = is_audigy ? AUDIGY_DMA_MASK : EMU10K1_DMA_MASK;
	if (pci_set_dma_mask(pci, emu->dma_mask) < 0 ||
	    pci_set_consistent_dma_mask(pci, emu->dma_mask) < 0) {
		snd_printk(KERN_ERR "architecture does not support PCI busmaster DMA with mask 0x%lx\n", emu->dma_mask);
		kfree(emu);
		pci_disable_device(pci);
		return -ENXIO;
	}
	if (is_audigy)
		emu->gpr_base = A_FXGPREGBASE;
	else
		emu->gpr_base = FXGPREGBASE;

	if ((err = pci_request_regions(pci, "EMU10K1")) < 0) {
		kfree(emu);
		pci_disable_device(pci);
		return err;
	}
	emu->port = pci_resource_start(pci, 0);

	if (request_irq(pci->irq, snd_emu10k1_interrupt, SA_INTERRUPT|SA_SHIRQ, "EMU10K1", (void *)emu)) {
		err = -EBUSY;
		goto error;
	}
	emu->irq = pci->irq;

	emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
				32 * 1024, &emu->ptb_pages) < 0) {
		err = -ENOMEM;
		goto error;
	}

	emu->page_ptr_table = (void **)vmalloc(emu->max_cache_pages * sizeof(void*));
	emu->page_addr_table = (unsigned long*)vmalloc(emu->max_cache_pages * sizeof(unsigned long));
	if (emu->page_ptr_table == NULL || emu->page_addr_table == NULL) {
		err = -ENOMEM;
		goto error;
	}

	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
				EMUPAGESIZE, &emu->silent_page) < 0) {
		err = -ENOMEM;
		goto error;
	}
	emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
	if (emu->memhdr == NULL) {
		err = -ENOMEM;
		goto error;
	}
	emu->memhdr->block_extra_size = sizeof(struct snd_emu10k1_memblk) -
		sizeof(struct snd_util_memblk);

	pci_set_master(pci);

	emu->fx8010.fxbus_mask = 0x303f;
	if (extin_mask == 0)
		extin_mask = 0x3fcf;
	if (extout_mask == 0)
		extout_mask = 0x7fff;
	emu->fx8010.extin_mask = extin_mask;
	emu->fx8010.extout_mask = extout_mask;
	emu->enable_ir = enable_ir;

	if (emu->card_capabilities->ecard) {
		if ((err = snd_emu10k1_ecard_init(emu)) < 0)
			goto error;
	} else if (emu->card_capabilities->ca_cardbus_chip) {
		if ((err = snd_emu10k1_cardbus_init(emu)) < 0)
			goto error;
 	} else if (emu->card_capabilities->emu1212m) {
 		if ((err = snd_emu10k1_emu1212m_init(emu)) < 0) {
 			snd_emu10k1_free(emu);
 			return err;
 		}
	} else {
		/* 5.1: Enable the additional AC97 Slots. If the emu10k1 version
			does not support this, it shouldn't do any harm */
		snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
	}

	/* initialize TRAM setup */
	emu->fx8010.itram_size = (16 * 1024)/2;
	emu->fx8010.etram_pages.area = NULL;
	emu->fx8010.etram_pages.bytes = 0;

	/*
	 *  Init to 0x02109204 :
	 *  Clock accuracy    = 0     (1000ppm)
	 *  Sample Rate       = 2     (48kHz)
	 *  Audio Channel     = 1     (Left of 2)
	 *  Source Number     = 0     (Unspecified)
	 *  Generation Status = 1     (Original for Cat Code 12)
	 *  Cat Code          = 12    (Digital Signal Mixer)
	 *  Mode              = 0     (Mode 0)
	 *  Emphasis          = 0     (None)
	 *  CP                = 1     (Copyright unasserted)
	 *  AN                = 0     (Audio data)
	 *  P                 = 0     (Consumer)
	 */
	emu->spdif_bits[0] = emu->spdif_bits[1] =
		emu->spdif_bits[2] = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
		SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
		SPCS_GENERATIONSTATUS | 0x00001200 |
		0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;

	emu->reserved_page = (struct snd_emu10k1_memblk *)
		snd_emu10k1_synth_alloc(emu, 4096);
	if (emu->reserved_page)
		emu->reserved_page->map_locked = 1;
	
	/* Clear silent pages and set up pointers */
	memset(emu->silent_page.area, 0, PAGE_SIZE);
	silent_page = emu->silent_page.addr << 1;
	for (idx = 0; idx < MAXPAGES; idx++)
		((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);

	/* set up voice indices */
	for (idx = 0; idx < NUM_G; idx++) {
		emu->voices[idx].emu = emu;
		emu->voices[idx].number = idx;
	}

	if ((err = snd_emu10k1_init(emu, enable_ir, 0)) < 0)
		goto error;
#ifdef CONFIG_PM
	if ((err = alloc_pm_buffer(emu)) < 0)
		goto error;
#endif

	/*  Initialize the effect engine */
	if ((err = snd_emu10k1_init_efx(emu)) < 0)
		goto error;
	snd_emu10k1_audio_enable(emu);

	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, emu, &ops)) < 0)
		goto error;

#ifdef CONFIG_PROC_FS
	snd_emu10k1_proc_init(emu);
#endif

	snd_card_set_dev(card, &pci->dev);
	*remu = emu;
	return 0;

 error:
	snd_emu10k1_free(emu);
	return err;
}

#ifdef CONFIG_PM
static unsigned char saved_regs[] = {
	CPF, PTRX, CVCF, VTFT, Z1, Z2, PSST, DSL, CCCA, CCR, CLP,
	FXRT, MAPA, MAPB, ENVVOL, ATKHLDV, DCYSUSV, LFOVAL1, ENVVAL,
	ATKHLDM, DCYSUSM, LFOVAL2, IP, IFATN, PEFE, FMMOD, TREMFRQ, FM2FRQ2,
	TEMPENV, ADCCR, FXWC, MICBA, ADCBA, FXBA,
	MICBS, ADCBS, FXBS, CDCS, GPSCS, SPCS0, SPCS1, SPCS2,
	SPBYPASS, AC97SLOT, CDSRCS, GPSRCS, ZVSRCS, MICIDX, ADCIDX, FXIDX,
	0xff /* end */
};
static unsigned char saved_regs_audigy[] = {
	A_ADCIDX, A_MICIDX, A_FXWC1, A_FXWC2, A_SAMPLE_RATE,
	A_FXRT2, A_SENDAMOUNTS, A_FXRT1,
	0xff /* end */
};

static int __devinit alloc_pm_buffer(struct snd_emu10k1 *emu)
{
	int size;

	size = ARRAY_SIZE(saved_regs);
	if (emu->audigy)
		size += ARRAY_SIZE(saved_regs_audigy);
	emu->saved_ptr = vmalloc(4 * NUM_G * size);
	if (! emu->saved_ptr)
		return -ENOMEM;
	if (snd_emu10k1_efx_alloc_pm_buffer(emu) < 0)
		return -ENOMEM;
	if (emu->card_capabilities->ca0151_chip &&
	    snd_p16v_alloc_pm_buffer(emu) < 0)
		return -ENOMEM;
	return 0;
}

static void free_pm_buffer(struct snd_emu10k1 *emu)
{
	vfree(emu->saved_ptr);
	snd_emu10k1_efx_free_pm_buffer(emu);
	if (emu->card_capabilities->ca0151_chip)
		snd_p16v_free_pm_buffer(emu);
}

void snd_emu10k1_suspend_regs(struct snd_emu10k1 *emu)
{
	int i;
	unsigned char *reg;
	unsigned int *val;

	val = emu->saved_ptr;
	for (reg = saved_regs; *reg != 0xff; reg++)
		for (i = 0; i < NUM_G; i++, val++)
			*val = snd_emu10k1_ptr_read(emu, *reg, i);
	if (emu->audigy) {
		for (reg = saved_regs_audigy; *reg != 0xff; reg++)
			for (i = 0; i < NUM_G; i++, val++)
				*val = snd_emu10k1_ptr_read(emu, *reg, i);
	}
	if (emu->audigy)
		emu->saved_a_iocfg = inl(emu->port + A_IOCFG);
	emu->saved_hcfg = inl(emu->port + HCFG);
}

void snd_emu10k1_resume_init(struct snd_emu10k1 *emu)
{
	if (emu->card_capabilities->ecard)
		snd_emu10k1_ecard_init(emu);
	else
		snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
	snd_emu10k1_init(emu, emu->enable_ir, 1);
}

void snd_emu10k1_resume_regs(struct snd_emu10k1 *emu)
{
	int i;
	unsigned char *reg;
	unsigned int *val;

	snd_emu10k1_audio_enable(emu);

	/* resore for spdif */
	if (emu->audigy)
		outl(emu->port + A_IOCFG, emu->saved_a_iocfg);
	outl(emu->port + HCFG, emu->saved_hcfg);

	val = emu->saved_ptr;
	for (reg = saved_regs; *reg != 0xff; reg++)
		for (i = 0; i < NUM_G; i++, val++)
			snd_emu10k1_ptr_write(emu, *reg, i, *val);
	if (emu->audigy) {
		for (reg = saved_regs_audigy; *reg != 0xff; reg++)
			for (i = 0; i < NUM_G; i++, val++)
				snd_emu10k1_ptr_write(emu, *reg, i, *val);
	}
}
#endif

/* memory.c */
EXPORT_SYMBOL(snd_emu10k1_synth_alloc);
EXPORT_SYMBOL(snd_emu10k1_synth_free);
EXPORT_SYMBOL(snd_emu10k1_synth_bzero);
EXPORT_SYMBOL(snd_emu10k1_synth_copy_from_user);
EXPORT_SYMBOL(snd_emu10k1_memblk_map);
/* voice.c */
EXPORT_SYMBOL(snd_emu10k1_voice_alloc);
EXPORT_SYMBOL(snd_emu10k1_voice_free);
/* io.c */
EXPORT_SYMBOL(snd_emu10k1_ptr_read);
EXPORT_SYMBOL(snd_emu10k1_ptr_write);