main.c

h内核

		goto err_out3;
	}

	return 0;

err_out3:
	kfree(card->mpuin);
err_out2:
	kfree(card->mpuout);
err_out1:
	return ret;
}

static void emu10k1_midi_cleanup(struct emu10k1_card *card)
{
	tasklet_kill(&card->mpuout->tasklet);
	kfree(card->mpuout);

	tasklet_kill(&card->mpuin->tasklet);
	kfree(card->mpuin);
}

static void __devinit voice_init(struct emu10k1_card *card)
{
	int i;

	for (i = 0; i < NUM_G; i++)
		card->voicetable[i] = VOICE_USAGE_FREE;
}

static void __devinit timer_init(struct emu10k1_card *card)
{
	INIT_LIST_HEAD(&card->timers);
	card->timer_delay = TIMER_STOPPED;
	spin_lock_init(&card->timer_lock);
}

static void __devinit addxmgr_init(struct emu10k1_card *card)
{
	u32 count;

	for (count = 0; count < MAXPAGES; count++)
		card->emupagetable[count] = 0;

	/* Mark first page as used */
	/* This page is reserved by the driver */
	card->emupagetable[0] = 0x8001;
	card->emupagetable[1] = MAXPAGES - 1;
}

static void fx_cleanup(struct patch_manager *mgr)
{
	int i;
	for(i = 0; i < mgr->current_pages; i++)
		free_page((unsigned long) mgr->patch[i]);
}

static int __devinit fx_init(struct emu10k1_card *card)
{
	struct patch_manager *mgr = &card->mgr;
	struct dsp_patch *patch;
	struct dsp_rpatch *rpatch;
	s32 left, right;
	int i;
	u32 pc = 0;
	u32 patch_n=0;
	struct emu_efx_info_t emu_efx_info[2]=
		{{ 20, 10, 0x400, 0x100, 0x20 },
		 { 24, 12, 0x600, 0x400, 0x60 },
		}; 
			

	for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
		mgr->ctrl_gpr[i][0] = -1;
		mgr->ctrl_gpr[i][1] = -1;
	}


	if (card->is_audigy)
		mgr->current_pages = (2 + PATCHES_PER_PAGE - 1) / PATCHES_PER_PAGE;
	else
		/* !! The number below must equal the number of patches, currently 11 !! */
		mgr->current_pages = (11 + PATCHES_PER_PAGE - 1) / PATCHES_PER_PAGE;
	
	for (i = 0; i < mgr->current_pages; i++) {
		mgr->patch[i] = (void *)__get_free_page(GFP_KERNEL);
		if (mgr->patch[i] == NULL) {
			mgr->current_pages = i;
			fx_cleanup(mgr);
			return -ENOMEM;
		}
		memset(mgr->patch[i], 0, PAGE_SIZE);
	}

	if (card->is_audigy) {
		for (i = 0; i < 1024; i++)
			OP(0xf, 0x0c0, 0x0c0, 0x0cf, 0x0c0);

		for (i = 0; i < 512 ; i++)
			sblive_writeptr(card, A_GPR_BASE+i,0,0);

		pc=0;

		//Pcm input volume
		OP(0, 0x402, 0x0c0, 0x406, 0x000);
		OP(0, 0x403, 0x0c0, 0x407, 0x001);

		//CD-Digital input Volume
		OP(0, 0x404, 0x0c0, 0x40d, 0x42);
		OP(0, 0x405, 0x0c0, 0x40f, 0x43);

		// CD + PCM 
		OP(6, 0x400, 0x0c0, 0x402, 0x404);
		OP(6, 0x401, 0x0c0, 0x403, 0x405);
		
		// Front Output + Master Volume
		OP(0, 0x68, 0x0c0, 0x408, 0x400);
		OP(0, 0x69, 0x0c0, 0x409, 0x401);

		// Add-in analog inputs for other speakers
		OP(6, 0x400, 0x40, 0x400, 0xc0);
		OP(6, 0x401, 0x41, 0x401, 0xc0);

		// Digital Front + Master Volume
		OP(0, 0x60, 0x0c0, 0x408, 0x400);
		OP(0, 0x61, 0x0c0, 0x409, 0x401);

		// Rear Output + Rear Volume
		OP(0, 0x06e, 0x0c0, 0x419, 0x400);
		OP(0, 0x06f, 0x0c0, 0x41a, 0x401);		

		// Digital Rear Output + Rear Volume
		OP(0, 0x066, 0x0c0, 0x419, 0x400);
		OP(0, 0x067, 0x0c0, 0x41a, 0x401);		

		// Audigy Drive, Headphone out
		OP(6, 0x64, 0x0c0, 0x0c0, 0x400);
		OP(6, 0x65, 0x0c0, 0x0c0, 0x401);

		// ac97 Recording
		OP(6, 0x76, 0x0c0, 0x0c0, 0x40);
		OP(6, 0x77, 0x0c0, 0x0c0, 0x41);
		
		// Center = sub = Left/2 + Right/2
		OP(0xe, 0x400, 0x401, 0xcd, 0x400);

		// center/sub  Volume (master)
		OP(0, 0x06a, 0x0c0, 0x408, 0x400);
		OP(0, 0x06b, 0x0c0, 0x409, 0x400);

		// Digital center/sub  Volume (master)
		OP(0, 0x062, 0x0c0, 0x408, 0x400);
		OP(0, 0x063, 0x0c0, 0x409, 0x400);

		ROUTING_PATCH_START(rpatch, "Routing");
		ROUTING_PATCH_END(rpatch);

		/* delimiter patch */
		patch = PATCH(mgr, patch_n);
		patch->code_size = 0;

	
		sblive_writeptr(card, 0x53, 0, 0);
	} else {
		for (i = 0; i < 512 ; i++)
			OP(6, 0x40, 0x40, 0x40, 0x40);

		for (i = 0; i < 256; i++)
			sblive_writeptr_tag(card, 0,
					    FXGPREGBASE + i, 0,
					    TANKMEMADDRREGBASE + i, 0,
					    TAGLIST_END);

		
		pc = 0;

		//first free GPR = 0x11b
	
		
		/* FX volume correction and Volume control*/
		INPUT_PATCH_START(patch, "Pcm L vol", 0x0, 0);
		GET_OUTPUT_GPR(patch, 0x100, 0x0);
		GET_CONTROL_GPR(patch, 0x106, "Vol", 0, 0x7fffffff);
		GET_DYNAMIC_GPR(patch, 0x112);

		OP(4, 0x112, 0x40, PCM_IN_L, 0x44); //*4	
		OP(0, 0x100, 0x040, 0x112, 0x106);  //*vol	
		INPUT_PATCH_END(patch);


		INPUT_PATCH_START(patch, "Pcm R vol", 0x1, 0);
		GET_OUTPUT_GPR(patch, 0x101, 0x1);
		GET_CONTROL_GPR(patch, 0x107, "Vol", 0, 0x7fffffff);
		GET_DYNAMIC_GPR(patch, 0x112);

		OP(4, 0x112, 0x40, PCM_IN_R, 0x44); 
		OP(0, 0x101, 0x040, 0x112, 0x107);

		INPUT_PATCH_END(patch);


		// CD-Digital In Volume control	
		INPUT_PATCH_START(patch, "CD-Digital Vol L", 0x12, 0);
		GET_OUTPUT_GPR(patch, 0x10c, 0x12);
		GET_CONTROL_GPR(patch, 0x10d, "Vol", 0, 0x7fffffff);

		OP(0, 0x10c, 0x040, SPDIF_CD_L, 0x10d);
		INPUT_PATCH_END(patch);

		INPUT_PATCH_START(patch, "CD-Digital Vol R", 0x13, 0);
		GET_OUTPUT_GPR(patch, 0x10e, 0x13);
		GET_CONTROL_GPR(patch, 0x10f, "Vol", 0, 0x7fffffff);

		OP(0, 0x10e, 0x040, SPDIF_CD_R, 0x10f);
		INPUT_PATCH_END(patch);

		//Volume Correction for Multi-channel Inputs	
		INPUT_PATCH_START(patch, "Multi-Channel Gain", 0x08, 0);
		patch->input=patch->output=0x3F00;

		GET_OUTPUT_GPR(patch, 0x113, MULTI_FRONT_L);
		GET_OUTPUT_GPR(patch, 0x114, MULTI_FRONT_R);
		GET_OUTPUT_GPR(patch, 0x115, MULTI_REAR_L);
		GET_OUTPUT_GPR(patch, 0x116, MULTI_REAR_R);
		GET_OUTPUT_GPR(patch, 0x117, MULTI_CENTER);
		GET_OUTPUT_GPR(patch, 0x118, MULTI_LFE);

		OP(4, 0x113, 0x40, MULTI_FRONT_L, 0x44);
		OP(4, 0x114, 0x40, MULTI_FRONT_R, 0x44);
		OP(4, 0x115, 0x40, MULTI_REAR_L, 0x44);
		OP(4, 0x116, 0x40, MULTI_REAR_R, 0x44);
		OP(4, 0x117, 0x40, MULTI_CENTER, 0x44);
		OP(4, 0x118, 0x40, MULTI_LFE, 0x44);
	
		INPUT_PATCH_END(patch);


		//Routing patch start	
		ROUTING_PATCH_START(rpatch, "Routing");
		GET_INPUT_GPR(rpatch, 0x100, 0x0);
		GET_INPUT_GPR(rpatch, 0x101, 0x1);
		GET_INPUT_GPR(rpatch, 0x10c, 0x12);
		GET_INPUT_GPR(rpatch, 0x10e, 0x13);
		GET_INPUT_GPR(rpatch, 0x113, MULTI_FRONT_L);
		GET_INPUT_GPR(rpatch, 0x114, MULTI_FRONT_R);
		GET_INPUT_GPR(rpatch, 0x115, MULTI_REAR_L);
		GET_INPUT_GPR(rpatch, 0x116, MULTI_REAR_R);
		GET_INPUT_GPR(rpatch, 0x117, MULTI_CENTER);
		GET_INPUT_GPR(rpatch, 0x118, MULTI_LFE);

		GET_DYNAMIC_GPR(rpatch, 0x102);
		GET_DYNAMIC_GPR(rpatch, 0x103);

		GET_OUTPUT_GPR(rpatch, 0x104, 0x8);
		GET_OUTPUT_GPR(rpatch, 0x105, 0x9);
		GET_OUTPUT_GPR(rpatch, 0x10a, 0x2);
		GET_OUTPUT_GPR(rpatch, 0x10b, 0x3);
		
		
		/* input buffer */
		OP(6, 0x102, AC97_IN_L, 0x40, 0x40);
		OP(6, 0x103, AC97_IN_R, 0x40, 0x40);


		/* Digital In + PCM + MULTI_FRONT-> AC97 out (front speakers)*/
		OP(6, AC97_FRONT_L, 0x100, 0x10c, 0x113);

		CONNECT(MULTI_FRONT_L, AC97_FRONT_L);
		CONNECT(PCM_IN_L, AC97_FRONT_L);
		CONNECT(SPDIF_CD_L, AC97_FRONT_L);

		OP(6, AC97_FRONT_R, 0x101, 0x10e, 0x114);

		CONNECT(MULTI_FRONT_R, AC97_FRONT_R);
		CONNECT(PCM_IN_R, AC97_FRONT_R);
		CONNECT(SPDIF_CD_R, AC97_FRONT_R);

		/* Digital In + PCM + AC97 In + PCM1 + MULTI_REAR --> Rear Channel */ 
		OP(6, 0x104, PCM1_IN_L, 0x100, 0x115);
		OP(6, 0x104, 0x104, 0x10c, 0x102);

		CONNECT(MULTI_REAR_L, ANALOG_REAR_L);
		CONNECT(AC97_IN_L, ANALOG_REAR_L);
		CONNECT(PCM_IN_L, ANALOG_REAR_L);
		CONNECT(SPDIF_CD_L, ANALOG_REAR_L);
		CONNECT(PCM1_IN_L, ANALOG_REAR_L);

		OP(6, 0x105, PCM1_IN_R, 0x101, 0x116);
		OP(6, 0x105, 0x105, 0x10e, 0x103);

		CONNECT(MULTI_REAR_R, ANALOG_REAR_R);
		CONNECT(AC97_IN_R, ANALOG_REAR_R);
		CONNECT(PCM_IN_R, ANALOG_REAR_R);
		CONNECT(SPDIF_CD_R, ANALOG_REAR_R);
		CONNECT(PCM1_IN_R, ANALOG_REAR_R);

		/* Digital In + PCM + AC97 In + MULTI_FRONT --> Digital out */
		OP(6, 0x10b, 0x100, 0x102, 0x10c);
		OP(6, 0x10b, 0x10b, 0x113, 0x40);

		CONNECT(MULTI_FRONT_L, DIGITAL_OUT_L);
		CONNECT(PCM_IN_L, DIGITAL_OUT_L);
		CONNECT(AC97_IN_L, DIGITAL_OUT_L);
		CONNECT(SPDIF_CD_L, DIGITAL_OUT_L);

		OP(6, 0x10a, 0x101, 0x103, 0x10e);
		OP(6, 0x10b, 0x10b, 0x114, 0x40);

		CONNECT(MULTI_FRONT_R, DIGITAL_OUT_R);
		CONNECT(PCM_IN_R, DIGITAL_OUT_R);
		CONNECT(AC97_IN_R, DIGITAL_OUT_R);
		CONNECT(SPDIF_CD_R, DIGITAL_OUT_R);

		/* AC97 In --> ADC Recording Buffer */
		OP(6, ADC_REC_L, 0x102, 0x40, 0x40);

		CONNECT(AC97_IN_L, ADC_REC_L);

		OP(6, ADC_REC_R, 0x103, 0x40, 0x40);

		CONNECT(AC97_IN_R, ADC_REC_R);


		/* fx12:Analog-Center */
		OP(6, ANALOG_CENTER, 0x117, 0x40, 0x40);
		CONNECT(MULTI_CENTER, ANALOG_CENTER);

		/* fx11:Analog-LFE */
		OP(6, ANALOG_LFE, 0x118, 0x40, 0x40);
		CONNECT(MULTI_LFE, ANALOG_LFE);

		/* fx12:Digital-Center */
		OP(6, DIGITAL_CENTER, 0x117, 0x40, 0x40);
		CONNECT(MULTI_CENTER, DIGITAL_CENTER);
		
		/* fx11:Analog-LFE */
		OP(6, DIGITAL_LFE, 0x118, 0x40, 0x40);
		CONNECT(MULTI_LFE, DIGITAL_LFE);
	
		ROUTING_PATCH_END(rpatch);


		// Rear volume control	
		OUTPUT_PATCH_START(patch, "Vol Rear L", 0x8, 0);
		GET_INPUT_GPR(patch, 0x104, 0x8);
		GET_CONTROL_GPR(patch, 0x119, "Vol", 0, 0x7fffffff);

		OP(0, ANALOG_REAR_L, 0x040, 0x104, 0x119);
		OUTPUT_PATCH_END(patch);

		OUTPUT_PATCH_START(patch, "Vol Rear R", 0x9, 0);
		GET_INPUT_GPR(patch, 0x105, 0x9);
		GET_CONTROL_GPR(patch, 0x11a, "Vol", 0, 0x7fffffff);

		OP(0, ANALOG_REAR_R, 0x040, 0x105, 0x11a);
		OUTPUT_PATCH_END(patch);


		//Master volume control on front-digital	
		OUTPUT_PATCH_START(patch, "Vol Master L", 0x2, 1);
		GET_INPUT_GPR(patch, 0x10a, 0x2);
		GET_CONTROL_GPR(patch, 0x108, "Vol", 0, 0x7fffffff);

		OP(0, DIGITAL_OUT_L, 0x040, 0x10a, 0x108);
		OUTPUT_PATCH_END(patch);


		OUTPUT_PATCH_START(patch, "Vol Master R", 0x3, 1);
		GET_INPUT_GPR(patch, 0x10b, 0x3);
		GET_CONTROL_GPR(patch, 0x109, "Vol", 0, 0x7fffffff);

		OP(0, DIGITAL_OUT_R, 0x040, 0x10b, 0x109);
		OUTPUT_PATCH_END(patch);


		/* delimiter patch */
		patch = PATCH(mgr, patch_n);
		patch->code_size = 0;

	
		sblive_writeptr(card, DBG, 0, 0);
	}

	spin_lock_init(&mgr->lock);

	// Set up Volume controls, try to keep this the same for both Audigy and Live

	//Master volume
	mgr->ctrl_gpr[SOUND_MIXER_VOLUME][0] = 8;
	mgr->ctrl_gpr[SOUND_MIXER_VOLUME][1] = 9;

	left = card->ac97->mixer_state[SOUND_MIXER_VOLUME] & 0xff;
	right = (card->ac97->mixer_state[SOUND_MIXER_VOLUME] >> 8) & 0xff;

	emu10k1_set_volume_gpr(card, 8, left, 1 << card->ac97->bit_resolution);
	emu10k1_set_volume_gpr(card, 9, right, 1 << card->ac97->bit_resolution);

	//Rear volume
	mgr->ctrl_gpr[ SOUND_MIXER_OGAIN ][0] = 0x19;
	mgr->ctrl_gpr[ SOUND_MIXER_OGAIN ][1] = 0x1a;

	left = right = 67;
	card->ac97->mixer_state[SOUND_MIXER_OGAIN] = (right << 8) | left;

	card->ac97->supported_mixers |= SOUND_MASK_OGAIN;
	card->ac97->stereo_mixers |= SOUND_MASK_OGAIN;

	emu10k1_set_volume_gpr(card, 0x19, left, VOL_5BIT);
	emu10k1_set_volume_gpr(card, 0x1a, right, VOL_5BIT);

	//PCM Volume
	mgr->ctrl_gpr[SOUND_MIXER_PCM][0] = 6;
	mgr->ctrl_gpr[SOUND_MIXER_PCM][1] = 7;

	left = card->ac97->mixer_state[SOUND_MIXER_PCM] & 0xff;
	right = (card->ac97->mixer_state[SOUND_MIXER_PCM] >> 8) & 0xff;

	emu10k1_set_volume_gpr(card, 6, left, VOL_5BIT);
	emu10k1_set_volume_gpr(card, 7, right, VOL_5BIT);

	//CD-Digital Volume
	mgr->ctrl_gpr[SOUND_MIXER_DIGITAL1][0] = 0xd;
	mgr->ctrl_gpr[SOUND_MIXER_DIGITAL1][1] = 0xf;

	left = right = 67;
	card->ac97->mixer_state[SOUND_MIXER_DIGITAL1] = (right << 8) | left; 

	card->ac97->supported_mixers |= SOUND_MASK_DIGITAL1;
	card->ac97->stereo_mixers |= SOUND_MASK_DIGITAL1;

	emu10k1_set_volume_gpr(card, 0xd, left, VOL_5BIT);
	emu10k1_set_volume_gpr(card, 0xf, right, VOL_5BIT);


	//hard wire the ac97's pcm, pcm volume is done above using dsp code.
	if (card->is_audigy)
		//for Audigy, we mute it and use the philips 6 channel DAC instead
		emu10k1_ac97_write(card->ac97, 0x18, 0x8000);
	else
		//For the Live we hardwire it to full volume
		emu10k1_ac97_write(card->ac97, 0x18, 0x0);

	//remove it from the ac97_codec's control
	card->ac97_supported_mixers &= ~SOUND_MASK_PCM;
	card->ac97_stereo_mixers &= ~SOUND_MASK_PCM;

	//set Igain to 0dB by default, maybe consider hardwiring it here.
	emu10k1_ac97_write(card->ac97, AC97_RECORD_GAIN, 0x0000);
	card->ac97->mixer_state[SOUND_MIXER_IGAIN] = 0x101; 

	return 0;
}

static int __devinit hw_init(struct emu10k1_card *card)
{
	int nCh;
	u32 pagecount; /* tmp */
	int ret;

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

	/* Reset recording buffers */
	sblive_writeptr_tag(card, 0,
			    MICBS, ADCBS_BUFSIZE_NONE,
			    MICBA, 0,
			    FXBS, ADCBS_BUFSIZE_NONE,
			    FXBA, 0,
			    ADCBS, ADCBS_BUFSIZE_NONE,
			    ADCBA, 0,
			    TAGLIST_END);

	/* Disable channel interrupt */
	emu10k1_writefn0(card, INTE, 0);
	sblive_writeptr_tag(card, 0,
			    CLIEL, 0,
			    CLIEH, 0,
			    SOLEL, 0,
			    SOLEH, 0,
			    TAGLIST_END);

	if (card->is_audigy) {
		sblive_writeptr_tag(card,0,
				    0x5e,0xf00,
				    0x5f,0x3,
				    TAGLIST_END);
	}

	/* Init envelope engine */
	for (nCh = 0; nCh < NUM_G; nCh++) {
		sblive_writeptr_tag(card, nCh,
				    DCYSUSV, 0,