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📄 emufx.c

📁 linux-2.6.15.6
💻 C
📖 第 1 页 / 共 5 页
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	/* ADC buffer */#ifdef EMU10K1_CAPTURE_DIGITAL_OUT	A_PUT_STEREO_OUTPUT(A_EXTOUT_ADC_CAP_L, A_EXTOUT_ADC_CAP_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);#else	A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_L, capture);	A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_R, capture+1);#endif	/* EFX capture - capture the 16 EXTINs */	for (z = 0; z < 16; z++) {		A_OP(icode, &ptr, iACC3, A_FXBUS2(z), A_C_00000000, A_C_00000000, A_EXTIN(z));	}		/*	 * ok, set up done..	 */	if (gpr > tmp) {		snd_BUG();		err = -EIO;		goto __err;	}	/* clear remaining instruction memory */	while (ptr < 0x400)		A_OP(icode, &ptr, 0x0f, 0xc0, 0xc0, 0xcf, 0xc0);	seg = snd_enter_user();	icode->gpr_add_control_count = nctl;	icode->gpr_add_controls = (emu10k1_fx8010_control_gpr_t __user *)controls;	err = snd_emu10k1_icode_poke(emu, icode);	snd_leave_user(seg); __err:	kfree(controls);	if (icode != NULL) {		kfree((void __force *)icode->gpr_map);		kfree(icode);	}	return err;}/* * initial DSP configuration for Emu10k1 *//* when volume = max, then copy only to avoid volume modification *//* with iMAC0 (negative values) */static void __devinit _volume(emu10k1_fx8010_code_t *icode, u32 *ptr, u32 dst, u32 src, u32 vol){	OP(icode, ptr, iMAC0, dst, C_00000000, src, vol);	OP(icode, ptr, iANDXOR, C_00000000, vol, C_ffffffff, C_7fffffff);	OP(icode, ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000001);	OP(icode, ptr, iACC3, dst, src, C_00000000, C_00000000);}static void __devinit _volume_add(emu10k1_fx8010_code_t *icode, u32 *ptr, u32 dst, u32 src, u32 vol){	OP(icode, ptr, iANDXOR, C_00000000, vol, C_ffffffff, C_7fffffff);	OP(icode, ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000002);	OP(icode, ptr, iMACINT0, dst, dst, src, C_00000001);	OP(icode, ptr, iSKIP, C_00000000, C_7fffffff, C_7fffffff, C_00000001);	OP(icode, ptr, iMAC0, dst, dst, src, vol);}static void __devinit _volume_out(emu10k1_fx8010_code_t *icode, u32 *ptr, u32 dst, u32 src, u32 vol){	OP(icode, ptr, iANDXOR, C_00000000, vol, C_ffffffff, C_7fffffff);	OP(icode, ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000002);	OP(icode, ptr, iACC3, dst, src, C_00000000, C_00000000);	OP(icode, ptr, iSKIP, C_00000000, C_7fffffff, C_7fffffff, C_00000001);	OP(icode, ptr, iMAC0, dst, C_00000000, src, vol);}#define VOLUME(icode, ptr, dst, src, vol) \		_volume(icode, ptr, GPR(dst), GPR(src), GPR(vol))#define VOLUME_IN(icode, ptr, dst, src, vol) \		_volume(icode, ptr, GPR(dst), EXTIN(src), GPR(vol))#define VOLUME_ADD(icode, ptr, dst, src, vol) \		_volume_add(icode, ptr, GPR(dst), GPR(src), GPR(vol))#define VOLUME_ADDIN(icode, ptr, dst, src, vol) \		_volume_add(icode, ptr, GPR(dst), EXTIN(src), GPR(vol))#define VOLUME_OUT(icode, ptr, dst, src, vol) \		_volume_out(icode, ptr, EXTOUT(dst), GPR(src), GPR(vol))#define _SWITCH(icode, ptr, dst, src, sw) \	OP((icode), ptr, iMACINT0, dst, C_00000000, src, sw);#define SWITCH(icode, ptr, dst, src, sw) \		_SWITCH(icode, ptr, GPR(dst), GPR(src), GPR(sw))#define SWITCH_IN(icode, ptr, dst, src, sw) \		_SWITCH(icode, ptr, GPR(dst), EXTIN(src), GPR(sw))#define _SWITCH_NEG(icode, ptr, dst, src) \	OP((icode), ptr, iANDXOR, dst, src, C_00000001, C_00000001);#define SWITCH_NEG(icode, ptr, dst, src) \		_SWITCH_NEG(icode, ptr, GPR(dst), GPR(src))static int __devinit _snd_emu10k1_init_efx(emu10k1_t *emu){	int err, i, z, gpr, tmp, playback, capture;	u32 ptr;	emu10k1_fx8010_code_t *icode;	emu10k1_fx8010_pcm_t *ipcm = NULL;	emu10k1_fx8010_control_gpr_t *controls = NULL, *ctl;	u32 *gpr_map;	mm_segment_t seg;	spin_lock_init(&emu->fx8010.irq_lock);	INIT_LIST_HEAD(&emu->fx8010.gpr_ctl);	if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL)		return -ENOMEM;	if ((icode->gpr_map = (u_int32_t __user *)kcalloc(256 + 160 + 160 + 2 * 512, sizeof(u_int32_t), GFP_KERNEL)) == NULL ||            (controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, sizeof(emu10k1_fx8010_control_gpr_t), GFP_KERNEL)) == NULL ||	    (ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL)) == NULL) {		err = -ENOMEM;		goto __err;	}	gpr_map = (u32 __force *)icode->gpr_map;	icode->tram_data_map = icode->gpr_map + 256;	icode->tram_addr_map = icode->tram_data_map + 160;	icode->code = icode->tram_addr_map + 160;		/* clear free GPRs */	for (i = 0; i < 256; i++)		set_bit(i, icode->gpr_valid);	/* clear TRAM data & address lines */	for (i = 0; i < 160; i++)		set_bit(i, icode->tram_valid);	strcpy(icode->name, "SB Live! FX8010 code for ALSA v1.2 by Jaroslav Kysela");	ptr = 0; i = 0;	/* we have 12 inputs */	playback = SND_EMU10K1_INPUTS;	/* we have 6 playback channels and tone control doubles */	capture = playback + (SND_EMU10K1_PLAYBACK_CHANNELS * 2);	gpr = capture + SND_EMU10K1_CAPTURE_CHANNELS;	tmp = 0x88;	/* we need 4 temporary GPR */	/* from 0x8c to 0xff is the area for tone control */	/* stop FX processor */	snd_emu10k1_ptr_write(emu, DBG, 0, (emu->fx8010.dbg = 0) | EMU10K1_DBG_SINGLE_STEP);	/*	 *  Process FX Buses	 */	OP(icode, &ptr, iMACINT0, GPR(0), C_00000000, FXBUS(FXBUS_PCM_LEFT), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(1), C_00000000, FXBUS(FXBUS_PCM_RIGHT), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(2), C_00000000, FXBUS(FXBUS_MIDI_LEFT), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(3), C_00000000, FXBUS(FXBUS_MIDI_RIGHT), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(4), C_00000000, FXBUS(FXBUS_PCM_LEFT_REAR), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(5), C_00000000, FXBUS(FXBUS_PCM_RIGHT_REAR), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(6), C_00000000, FXBUS(FXBUS_PCM_CENTER), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(7), C_00000000, FXBUS(FXBUS_PCM_LFE), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(8), C_00000000, C_00000000, C_00000000);	/* S/PDIF left */	OP(icode, &ptr, iMACINT0, GPR(9), C_00000000, C_00000000, C_00000000);	/* S/PDIF right */	OP(icode, &ptr, iMACINT0, GPR(10), C_00000000, FXBUS(FXBUS_PCM_LEFT_FRONT), C_00000004);	OP(icode, &ptr, iMACINT0, GPR(11), C_00000000, FXBUS(FXBUS_PCM_RIGHT_FRONT), C_00000004);	/* Raw S/PDIF PCM */	ipcm->substream = 0;	ipcm->channels = 2;	ipcm->tram_start = 0;	ipcm->buffer_size = (64 * 1024) / 2;	ipcm->gpr_size = gpr++;	ipcm->gpr_ptr = gpr++;	ipcm->gpr_count = gpr++;	ipcm->gpr_tmpcount = gpr++;	ipcm->gpr_trigger = gpr++;	ipcm->gpr_running = gpr++;	ipcm->etram[0] = 0;	ipcm->etram[1] = 1;	gpr_map[gpr + 0] = 0xfffff000;	gpr_map[gpr + 1] = 0xffff0000;	gpr_map[gpr + 2] = 0x70000000;	gpr_map[gpr + 3] = 0x00000007;	gpr_map[gpr + 4] = 0x001f << 11;	gpr_map[gpr + 5] = 0x001c << 11;	gpr_map[gpr + 6] = (0x22  - 0x01) - 1;	/* skip at 01 to 22 */	gpr_map[gpr + 7] = (0x22  - 0x06) - 1;	/* skip at 06 to 22 */	gpr_map[gpr + 8] = 0x2000000 + (2<<11);	gpr_map[gpr + 9] = 0x4000000 + (2<<11);	gpr_map[gpr + 10] = 1<<11;	gpr_map[gpr + 11] = (0x24 - 0x0a) - 1;	/* skip at 0a to 24 */	gpr_map[gpr + 12] = 0;	/* if the trigger flag is not set, skip */	/* 00: */ OP(icode, &ptr, iMAC0, C_00000000, GPR(ipcm->gpr_trigger), C_00000000, C_00000000);	/* 01: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_ZERO, GPR(gpr + 6));	/* if the running flag is set, we're running */	/* 02: */ OP(icode, &ptr, iMAC0, C_00000000, GPR(ipcm->gpr_running), C_00000000, C_00000000);	/* 03: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000004);	/* wait until ((GPR_DBAC>>11) & 0x1f) == 0x1c) */	/* 04: */ OP(icode, &ptr, iANDXOR, GPR(tmp + 0), GPR_DBAC, GPR(gpr + 4), C_00000000);	/* 05: */ OP(icode, &ptr, iMACINT0, C_00000000, GPR(tmp + 0), C_ffffffff, GPR(gpr + 5));	/* 06: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, GPR(gpr + 7));	/* 07: */ OP(icode, &ptr, iACC3, GPR(gpr + 12), C_00000010, C_00000001, C_00000000);	/* 08: */ OP(icode, &ptr, iANDXOR, GPR(ipcm->gpr_running), GPR(ipcm->gpr_running), C_00000000, C_00000001);	/* 09: */ OP(icode, &ptr, iACC3, GPR(gpr + 12), GPR(gpr + 12), C_ffffffff, C_00000000);	/* 0a: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, GPR(gpr + 11));	/* 0b: */ OP(icode, &ptr, iACC3, GPR(gpr + 12), C_00000001, C_00000000, C_00000000);	/* 0c: */ OP(icode, &ptr, iANDXOR, GPR(tmp + 0), ETRAM_DATA(ipcm->etram[0]), GPR(gpr + 0), C_00000000);	/* 0d: */ OP(icode, &ptr, iLOG, GPR(tmp + 0), GPR(tmp + 0), GPR(gpr + 3), C_00000000);	/* 0e: */ OP(icode, &ptr, iANDXOR, GPR(8), GPR(tmp + 0), GPR(gpr + 1), GPR(gpr + 2));	/* 0f: */ OP(icode, &ptr, iSKIP, C_00000000, GPR_COND, CC_REG_MINUS, C_00000001);	/* 10: */ OP(icode, &ptr, iANDXOR, GPR(8), GPR(8), GPR(gpr + 1), GPR(gpr + 2));	/* 11: */ OP(icode, &ptr, iANDXOR, GPR(tmp + 0), ETRAM_DATA(ipcm->etram[1]), GPR(gpr + 0), C_00000000);	/* 12: */ OP(icode, &ptr, iLOG, GPR(tmp + 0), GPR(tmp + 0), GPR(gpr + 3), C_00000000);	/* 13: */ OP(icode, &ptr, iANDXOR, GPR(9), GPR(tmp + 0), GPR(gpr + 1), GPR(gpr + 2));	/* 14: */ OP(icode, &ptr, iSKIP, C_00000000, GPR_COND, CC_REG_MINUS, C_00000001);	/* 15: */ OP(icode, &ptr, iANDXOR, GPR(9), GPR(9), GPR(gpr + 1), GPR(gpr + 2));	/* 16: */ OP(icode, &ptr, iACC3, GPR(tmp + 0), GPR(ipcm->gpr_ptr), C_00000001, C_00000000);	/* 17: */ OP(icode, &ptr, iMACINT0, C_00000000, GPR(tmp + 0), C_ffffffff, GPR(ipcm->gpr_size));	/* 18: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_MINUS, C_00000001);	/* 19: */ OP(icode, &ptr, iACC3, GPR(tmp + 0), C_00000000, C_00000000, C_00000000);	/* 1a: */ OP(icode, &ptr, iACC3, GPR(ipcm->gpr_ptr), GPR(tmp + 0), C_00000000, C_00000000);		/* 1b: */ OP(icode, &ptr, iACC3, GPR(ipcm->gpr_tmpcount), GPR(ipcm->gpr_tmpcount), C_ffffffff, C_00000000);	/* 1c: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000002);	/* 1d: */ OP(icode, &ptr, iACC3, GPR(ipcm->gpr_tmpcount), GPR(ipcm->gpr_count), C_00000000, C_00000000);	/* 1e: */ OP(icode, &ptr, iACC3, GPR_IRQ, C_80000000, C_00000000, C_00000000);	/* 1f: */ OP(icode, &ptr, iANDXOR, GPR(ipcm->gpr_running), GPR(ipcm->gpr_running), C_00000001, C_00010000);	/* 20: */ OP(icode, &ptr, iANDXOR, GPR(ipcm->gpr_running), GPR(ipcm->gpr_running), C_00010000, C_00000001);	/* 21: */ OP(icode, &ptr, iSKIP, C_00000000, C_7fffffff, C_7fffffff, C_00000002);	/* 22: */ OP(icode, &ptr, iMACINT1, ETRAM_ADDR(ipcm->etram[0]), GPR(gpr + 8), GPR_DBAC, C_ffffffff);	/* 23: */ OP(icode, &ptr, iMACINT1, ETRAM_ADDR(ipcm->etram[1]), GPR(gpr + 9), GPR_DBAC, C_ffffffff);	/* 24: */	gpr += 13;	/* Wave Playback Volume */	for (z = 0; z < 2; z++)		VOLUME(icode, &ptr, playback + z, z, gpr + z);	snd_emu10k1_init_stereo_control(controls + i++, "Wave Playback Volume", gpr, 100);	gpr += 2;	/* Wave Surround Playback Volume */	for (z = 0; z < 2; z++)		VOLUME(icode, &ptr, playback + 2 + z, z, gpr + z);	snd_emu10k1_init_stereo_control(controls + i++, "Wave Surround Playback Volume", gpr, 0);	gpr += 2;		/* Wave Center/LFE Playback Volume */	OP(icode, &ptr, iACC3, GPR(tmp + 0), FXBUS(FXBUS_PCM_LEFT), FXBUS(FXBUS_PCM_RIGHT), C_00000000);	OP(icode, &ptr, iMACINT0, GPR(tmp + 0), C_00000000, GPR(tmp + 0), C_00000002);	VOLUME(icode, &ptr, playback + 4, tmp + 0, gpr);	snd_emu10k1_init_mono_control(controls + i++, "Wave Center Playback Volume", gpr++, 0);	VOLUME(icode, &ptr, playback + 5, tmp + 0, gpr);	snd_emu10k1_init_mono_control(controls + i++, "Wave LFE Playback Volume", gpr++, 0);	/* Wave Capture Volume + Switch */	for (z = 0; z < 2; z++) {		SWITCH(icode, &ptr, tmp + 0, z, gpr + 2 + z);		VOLUME(icode, &ptr, capture + z, tmp + 0, gpr + z);	}	snd_emu10k1_init_stereo_control(controls + i++, "Wave Capture Volume", gpr, 0);	snd_emu10k1_init_stereo_onoff_control(controls + i++, "Wave Capture Switch", gpr + 2, 0);	gpr += 4;	/* Synth Playback Volume */	for (z = 0; z < 2; z++)		VOLUME_ADD(icode, &ptr, playback + z, 2 + z, gpr + z);	snd_emu10k1_init_stereo_control(controls + i++, "Synth Playback Volume", gpr, 100);	gpr += 2;	/* Synth Capture Volume + Switch */	for (z = 0; z < 2; z++) {		SWITCH(icode, &ptr, tmp + 0, 2 + z, gpr + 2 + z);		VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);	}	snd_emu10k1_init_stereo_control(controls + i++, "Synth Capture Volume", gpr, 0);	snd_emu10k1_init_stereo_onoff_control(controls + i++, "Synth Capture Switch", gpr + 2, 0);	gpr += 4;	/* Surround Digital Playback Volume (renamed later without Digital) */	for (z = 0; z < 2; z++)		VOLUME_ADD(icode, &ptr, playback + 2 + z, 4 + z, gpr + z);	snd_emu10k1_init_stereo_control(controls + i++, "Surround Digital Playback Volume", gpr, 100);	gpr += 2;	/* Surround Capture Volume + Switch */	for (z = 0; z < 2; z++) {		SWITCH(icode, &ptr, tmp + 0, 4 + z, gpr + 2 + z);		VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);	}	snd_emu10k1_init_stereo_control(controls + i++, "Surround Capture Volume", gpr, 0);	snd_emu10k1_init_stereo_onoff_control(controls + i++, "Surround Capture Switch", gpr + 2, 0);	gpr += 4;	/* Center Playback Volume (renamed later without Digital) */	VOLUME_ADD(icode, &ptr, playback + 4, 6, gpr);	snd_emu10k1_init_mono_control(controls + i++, "Center Digital Playback Volume", gpr++, 100);	/* LFE Playback Volume + Switch (renamed later without Digital) */	VOLUME_ADD(icode, &ptr, playback + 5, 7, gpr);	snd_emu10k1_init_mono_control(controls + i++, "LFE Digital Playback Volume", gpr++, 100);	/* Front Playback Volume */	for (z = 0; z < 2; z++)		VOLUME_ADD(icode, &ptr, playback + z, 10 + z, gpr + z);	snd_emu10k1_init_stereo_control(controls + i++, "Front Playback Volume", gpr, 100);	gpr += 2;	/* Front Capture Volume + Switch */	for (z = 0; z < 2; z++) {		SWITCH(icode, &ptr, tmp + 0, 10 + z, gpr + 2);		VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);	}	snd_emu10k1_init_stereo_control(controls + i++, "Front Capture Volume", gpr, 0);	snd_emu10k1_init_mono_onoff_control(controls + i++, "Front Capture Switch", gpr + 2, 0);	gpr += 3;	/*	 *  Process inputs	 */	if (emu->fx8010.extin_mask & ((1<<EXTIN_AC97_L)|(1<<EXTIN_AC97_R))) {		/* AC'97 Playback Volume */		VOLUME_ADDIN(icode, &ptr, playback + 0, EXTIN_AC97_L, gpr); gpr++;		VOLUME_ADDIN(icode, &ptr, playback + 1, EXTIN_AC97_R, gpr); gpr++;		snd_emu10k1_init_stereo_control(controls + i++, "AC97 Playback Volume", gpr-2, 0);		/* AC'97 Capture Volume */		VOLUME_ADDIN(icode, &ptr, capture + 0, EXTIN_AC97_L, gpr); gpr++;		VOLUME_ADDIN(icode, &ptr, capture + 1, EXTIN_AC97_R, gpr); gpr++;		snd_emu10k1_init_stereo_control(controls + i++, "AC97 Capture Volume", gpr-2, 100);	}		if (emu->fx8010.extin_mask & ((1<<EXTIN_SPDIF_CD_L)|(1<<EXTIN_SPDIF_CD_R))) {		/* IEC958 TTL Playback Volume */		for (z = 0; z < 2; z++)			VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_SPDIF_CD_L + z, gpr + z);		snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("TTL ",PLAYBACK,VOLUME), gpr, 0);		gpr += 2;			/* IEC958 TTL Capture Volume + Switch */		for (z = 0; z < 2; z++) {			SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_SPDIF_CD_L + z, gpr + 2 + z);			VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);		}		snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("TTL ",CAPTURE,VOLUME), gpr, 0);		snd_emu10k1_init_stereo_onoff_control(controls + i++, SNDRV_CTL_NAME_IEC958("TTL ",CAPTURE,SWITCH), gpr + 2, 0);		

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