main.c

h内核

				    IP, 0,
				    VTFT, 0xffff,
				    CVCF, 0xffff,
				    PTRX, 0,
				    //CPF, 0,
				    CCR, 0,

				    PSST, 0,
				    DSL, 0x10,
				    CCCA, 0,
				    Z1, 0,
				    Z2, 0,
				    FXRT, 0xd01c0000,

				    ATKHLDM, 0,
				    DCYSUSM, 0,
				    IFATN, 0xffff,
				    PEFE, 0,
				    FMMOD, 0,
				    TREMFRQ, 24,	/* 1 Hz */
				    FM2FRQ2, 24,	/* 1 Hz */
				    TEMPENV, 0,

				    /*** These are last so OFF prevents writing ***/
				    LFOVAL2, 0,
				    LFOVAL1, 0,
				    ATKHLDV, 0,
				    ENVVOL, 0,
				    ENVVAL, 0,
                                    TAGLIST_END);
		sblive_writeptr(card, CPF, nCh, 0);
		/*
		  Audigy FXRT initialization
		  reversed eng'd, may not be accurate.
		 */
		if (card->is_audigy) {
			sblive_writeptr_tag(card,nCh,
					    0x4c,0x0,
					    0x4d,0x0,
					    0x4e,0x0,
					    0x4f,0x0,
					    A_FXRT1, 0x3f3f3f3f,
					    A_FXRT2, 0x3f3f3f3f,
					    A_SENDAMOUNTS, 0,
					    TAGLIST_END);
		}
	}
	

	/*
	 ** 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     (Digital audio)
	 ** P                 = 0     (Consumer)
	 */

	sblive_writeptr_tag(card, 0,

			    /* SPDIF0 */
			    SPCS0, (SPCS_CLKACCY_1000PPM | 0x002000000 |
				    SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT),

			    /* SPDIF1 */
			    SPCS1, (SPCS_CLKACCY_1000PPM | 0x002000000 |
				    SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT),

			    /* SPDIF2 & SPDIF3 */
			    SPCS2, (SPCS_CLKACCY_1000PPM | 0x002000000 |
				    SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT),

			    TAGLIST_END);

	if (card->is_audigy && (card->chiprev == 4)) {
		/* Hacks for Alice3 to work independent of haP16V driver */
		u32 tmp;

		//Setup SRCMulti_I2S SamplingRate
		tmp = sblive_readptr(card, A_SPDIF_SAMPLERATE, 0);
		tmp &= 0xfffff1ff;
		tmp |= (0x2<<9);
		sblive_writeptr(card, A_SPDIF_SAMPLERATE, 0, tmp);

		/* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
		emu10k1_writefn0(card, 0x20, 0x600000);
		emu10k1_writefn0(card, 0x24, 0x14);

		/* Setup SRCMulti Input Audio Enable */
		emu10k1_writefn0(card, 0x20, 0x6E0000);
		emu10k1_writefn0(card, 0x24, 0xFF00FF00);
	}

	ret = fx_init(card);		/* initialize effects engine */
	if (ret < 0)
		return ret;

	card->tankmem.size = 0;

	card->virtualpagetable.size = MAXPAGES * sizeof(u32);

	card->virtualpagetable.addr = pci_alloc_consistent(card->pci_dev, card->virtualpagetable.size, &card->virtualpagetable.dma_handle);
	if (card->virtualpagetable.addr == NULL) {
		ERROR();
		ret = -ENOMEM;
		goto err0;
	}

	card->silentpage.size = EMUPAGESIZE;

	card->silentpage.addr = pci_alloc_consistent(card->pci_dev, card->silentpage.size, &card->silentpage.dma_handle);
	if (card->silentpage.addr == NULL) {
		ERROR();
		ret = -ENOMEM;
		goto err1;
	}

	for (pagecount = 0; pagecount < MAXPAGES; pagecount++)
		((u32 *) card->virtualpagetable.addr)[pagecount] = cpu_to_le32(((u32) card->silentpage.dma_handle * 2) | pagecount);

	/* Init page table & tank memory base register */
	sblive_writeptr_tag(card, 0,
			    PTB, (u32) card->virtualpagetable.dma_handle,
			    TCB, 0,
			    TCBS, 0,
			    TAGLIST_END);

	for (nCh = 0; nCh < NUM_G; nCh++) {
		sblive_writeptr_tag(card, nCh,
				    MAPA, MAP_PTI_MASK | ((u32) card->silentpage.dma_handle * 2),
				    MAPB, MAP_PTI_MASK | ((u32) card->silentpage.dma_handle * 2),
				    TAGLIST_END);
	}

	/* Hokay, now enable the AUD bit */
	/* Enable Audio = 1 */
	/* Mute Disable Audio = 0 */
	/* Lock Tank Memory = 1 */
	/* Lock Sound Memory = 0 */
	/* Auto Mute = 1 */
	if (card->is_audigy) {
		if (card->chiprev == 4)
			emu10k1_writefn0(card, HCFG, HCFG_AUDIOENABLE  | HCFG_AC3ENABLE_CDSPDIF | HCFG_AC3ENABLE_GPSPDIF | HCFG_AUTOMUTE | HCFG_JOYENABLE);
		else
			emu10k1_writefn0(card, HCFG, HCFG_AUDIOENABLE  | HCFG_AUTOMUTE | HCFG_JOYENABLE);
	} else {
		if (card->model == 0x20 || card->model == 0xc400 ||
		 (card->model == 0x21 && card->chiprev < 6))
	        	emu10k1_writefn0(card, HCFG, HCFG_AUDIOENABLE  | HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE);
		else
			emu10k1_writefn0(card, HCFG, HCFG_AUDIOENABLE  | HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE);
	}
	/* Enable Vol_Ctrl irqs */
	emu10k1_irq_enable(card, INTE_VOLINCRENABLE | INTE_VOLDECRENABLE | INTE_MUTEENABLE | INTE_FXDSPENABLE);

	if (card->is_audigy && (card->chiprev == 4)) {
		/* Unmute Analog now.  Set GPO6 to 1 for Apollo.
		 * This has to be done after init ALice3 I2SOut beyond 48KHz.
		 * So, sequence is important. */
		u32 tmp = emu10k1_readfn0(card, A_IOCFG);
		tmp |= 0x0040;
		emu10k1_writefn0(card, A_IOCFG, tmp);
	}
	
	/* FIXME: TOSLink detection */
	card->has_toslink = 0;

	/* Initialize digital passthrough variables */
	card->pt.pos_gpr = card->pt.intr_gpr = card->pt.enable_gpr = -1;
	card->pt.selected = 0;
	card->pt.state = PT_STATE_INACTIVE;
	card->pt.spcs_to_use = 0x01;
	card->pt.patch_name = "AC3pass";
	card->pt.intr_gpr_name = "count";
	card->pt.enable_gpr_name = "enable";
	card->pt.pos_gpr_name = "ptr";
	spin_lock_init(&card->pt.lock);
	init_waitqueue_head(&card->pt.wait);

/*	tmp = sblive_readfn0(card, HCFG);
	if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
		sblive_writefn0(card, HCFG, tmp | 0x800);

		udelay(512);

		if (tmp != (sblive_readfn0(card, HCFG) & ~0x800)) {
			card->has_toslink = 1;
			sblive_writefn0(card, HCFG, tmp);
		}
	}
*/
	return 0;

  err1:
	pci_free_consistent(card->pci_dev, card->virtualpagetable.size, card->virtualpagetable.addr, card->virtualpagetable.dma_handle);
  err0:
	fx_cleanup(&card->mgr);

	return ret;
}

static int __devinit emu10k1_init(struct emu10k1_card *card)
{
	/* Init Card */
	if (hw_init(card) < 0)
		return -1;

	voice_init(card);
	timer_init(card);
	addxmgr_init(card);

	DPD(2, "  hw control register -> %#x\n", emu10k1_readfn0(card, HCFG));

	return 0;
}

static void emu10k1_cleanup(struct emu10k1_card *card)
{
	int ch;

	emu10k1_writefn0(card, INTE, 0);

	/** Shutdown the chip **/
	for (ch = 0; ch < NUM_G; ch++)
		sblive_writeptr(card, DCYSUSV, ch, 0);

	for (ch = 0; ch < NUM_G; ch++) {
		sblive_writeptr_tag(card, ch,
				    VTFT, 0,
				    CVCF, 0,
				    PTRX, 0,
				    //CPF, 0,
				    TAGLIST_END);
		sblive_writeptr(card, CPF, ch, 0);
	}

	/* Disable audio and lock cache */
	emu10k1_writefn0(card, HCFG, HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE);

	sblive_writeptr_tag(card, 0,
                            PTB, 0,

			    /* Reset recording buffers */
			    MICBS, ADCBS_BUFSIZE_NONE,
			    MICBA, 0,
			    FXBS, ADCBS_BUFSIZE_NONE,
			    FXBA, 0,
			    FXWC, 0,
			    ADCBS, ADCBS_BUFSIZE_NONE,
			    ADCBA, 0,
			    TCBS, 0,
			    TCB, 0,
			    DBG, 0x8000,

			    /* Disable channel interrupt */
			    CLIEL, 0,
			    CLIEH, 0,
			    SOLEL, 0,
			    SOLEH, 0,
			    TAGLIST_END);

	if (card->is_audigy)
		sblive_writeptr(card, 0, A_DBG,  A_DBG_SINGLE_STEP);

	pci_free_consistent(card->pci_dev, card->virtualpagetable.size, card->virtualpagetable.addr, card->virtualpagetable.dma_handle);
	pci_free_consistent(card->pci_dev, card->silentpage.size, card->silentpage.addr, card->silentpage.dma_handle);
	
	if(card->tankmem.size != 0)
		pci_free_consistent(card->pci_dev, card->tankmem.size, card->tankmem.addr, card->tankmem.dma_handle);

	/* release patch storage memory */
	fx_cleanup(&card->mgr);
}

/* Driver initialization routine */
static int __devinit emu10k1_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id)
{
	struct emu10k1_card *card;
	u32 subsysvid;
	int ret;

	if (pci_set_dma_mask(pci_dev, EMU10K1_DMA_MASK)) {
		printk(KERN_ERR "emu10k1: architecture does not support 29bit PCI busmaster DMA\n");
		return -ENODEV;
	}

	if (pci_enable_device(pci_dev))
		return -EIO;

	pci_set_master(pci_dev);

	if ((card = kmalloc(sizeof(struct emu10k1_card), GFP_KERNEL)) == NULL) {
                printk(KERN_ERR "emu10k1: out of memory\n");
                return -ENOMEM;
        }
        memset(card, 0, sizeof(struct emu10k1_card));

	card->iobase = pci_resource_start(pci_dev, 0);
	card->length = pci_resource_len(pci_dev, 0); 

	if (request_region(card->iobase, card->length, card_names[pci_id->driver_data]) == NULL) {
		printk(KERN_ERR "emu10k1: IO space in use\n");
		ret = -EBUSY;
		goto err_region;
	}

	pci_set_drvdata(pci_dev, card);

	card->irq = pci_dev->irq;
	card->pci_dev = pci_dev;

	/* Reserve IRQ Line */
	if (request_irq(card->irq, emu10k1_interrupt, SA_SHIRQ, card_names[pci_id->driver_data], card)) {
		printk(KERN_ERR "emu10k1: IRQ in use\n");
		ret = -EBUSY;
		goto err_irq;
	}

	pci_read_config_byte(pci_dev, PCI_REVISION_ID, &card->chiprev);
	pci_read_config_word(pci_dev, PCI_SUBSYSTEM_ID, &card->model);

	printk(KERN_INFO "emu10k1: %s rev %d model %#04x found, IO at %#04lx-%#04lx, IRQ %d\n",
		card_names[pci_id->driver_data], card->chiprev, card->model, card->iobase,
		card->iobase + card->length - 1, card->irq);

	if (pci_id->device == PCI_DEVICE_ID_CREATIVE_AUDIGY)
		card->is_audigy = 1;

	pci_read_config_dword(pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &subsysvid);
	card->is_aps = (subsysvid == EMU_APS_SUBID);

	spin_lock_init(&card->lock);
	init_MUTEX(&card->open_sem);
	card->open_mode = 0;
	init_waitqueue_head(&card->open_wait);

	ret = emu10k1_audio_init(card);
	if (ret < 0) {
                printk(KERN_ERR "emu10k1: cannot initialize audio devices\n");
                goto err_audio;
        }

	ret = emu10k1_mixer_init(card);
	if (ret < 0) {
		printk(KERN_ERR "emu10k1: cannot initialize AC97 codec\n");
                goto err_mixer;
	}

	ret = emu10k1_midi_init(card);
	if (ret < 0) {
		printk(KERN_ERR "emu10k1: cannot register midi device\n");
		goto err_midi;
	}

	ret = emu10k1_init(card);
	if (ret < 0) {
		printk(KERN_ERR "emu10k1: cannot initialize device\n");
		goto err_emu10k1_init;
	}

	if (card->is_aps)
		emu10k1_ecard_init(card);

	ret = emu10k1_register_devices(card);
	if (ret < 0)
		goto err_register;

	/* proc entries must be created after registering devices, as
	 * emu10k1_info_proc prints card->audio_dev &co. */
	ret = emu10k1_proc_init(card);
	if (ret < 0) {
		printk(KERN_ERR "emu10k1: cannot initialize proc directory\n");
                goto err_proc;
	}
	
	list_add(&card->list, &emu10k1_devs);

	return 0;

err_proc:
	emu10k1_unregister_devices(card);

err_register:
	emu10k1_cleanup(card);
	
err_emu10k1_init:
	emu10k1_midi_cleanup(card);

err_midi:
	emu10k1_mixer_cleanup(card);

err_mixer:
	emu10k1_audio_cleanup(card);

err_audio:
	free_irq(card->irq, card);

err_irq:
	release_region(card->iobase, card->length);
	pci_set_drvdata(pci_dev, NULL);

err_region:
	kfree(card);

	return ret;
}

static void __devexit emu10k1_remove(struct pci_dev *pci_dev)
{
	struct emu10k1_card *card = pci_get_drvdata(pci_dev);

	list_del(&card->list);

	emu10k1_unregister_devices(card);
	emu10k1_cleanup(card);
	emu10k1_midi_cleanup(card);
	emu10k1_mixer_cleanup(card);
	emu10k1_proc_cleanup(card);
	emu10k1_audio_cleanup(card);	
	free_irq(card->irq, card);
	release_region(card->iobase, card->length);
	kfree(card);
	pci_set_drvdata(pci_dev, NULL);
}

MODULE_AUTHOR("Bertrand Lee, Cai Ying. (Email to: [e-mail])");
MODULE_DESCRIPTION("Creative EMU10K1 PCI Audio Driver v" DRIVER_VERSION "\nCopyright (C) 1999 Creative Technology Ltd.");
MODULE_LICENSE("GPL");

static struct pci_driver emu10k1_pci_driver = {
	.name		= "emu10k1",
	.id_table	= emu10k1_pci_tbl,
	.probe		= emu10k1_probe,
	.remove		= __devexit_p(emu10k1_remove),
};

static int __init emu10k1_init_module(void)
{
	printk(KERN_INFO "Creative EMU10K1 PCI Audio Driver, version " DRIVER_VERSION ", " __TIME__ " " __DATE__ "\n");

	return pci_module_init(&emu10k1_pci_driver);
}

static void __exit emu10k1_cleanup_module(void)
{
	pci_unregister_driver(&emu10k1_pci_driver);

	return;
}

module_init(emu10k1_init_module);
module_exit(emu10k1_cleanup_module);

#ifdef EMU10K1_SEQUENCER

/* in midi.c */
extern int emu10k1_seq_midi_open(int dev, int mode, 
				void (*input)(int dev, unsigned char midi_byte),
				void (*output)(int dev));
extern void emu10k1_seq_midi_close(int dev);
extern int emu10k1_seq_midi_out(int dev, unsigned char midi_byte);
extern int emu10k1_seq_midi_start_read(int dev);
extern int emu10k1_seq_midi_end_read(int dev);
extern void emu10k1_seq_midi_kick(int dev);
extern int emu10k1_seq_midi_buffer_status(int dev);

static struct midi_operations emu10k1_midi_operations =
{
	THIS_MODULE,
	{"EMU10K1 MIDI", 0, 0, SNDCARD_EMU10K1},
	&std_midi_synth,
	{0},
	emu10k1_seq_midi_open,
	emu10k1_seq_midi_close,
	NULL,
	emu10k1_seq_midi_out,
	emu10k1_seq_midi_start_read,
	emu10k1_seq_midi_end_read,
	emu10k1_seq_midi_kick,
	NULL,
	emu10k1_seq_midi_buffer_status,
	NULL
};

#endif