emufx.c

linux 内核源代码

	for (z = 0; z < 4; z++) {		/* front/rear/center-lfe/side */
		int j, k, l, d;
		for (j = 0; j < 2; j++) {	/* left/right */
			k = 0xb0 + (z * 8) + (j * 4);
			l = 0xe0 + (z * 8) + (j * 4);
			d = playback + SND_EMU10K1_PLAYBACK_CHANNELS + z * 2 + j;

			A_OP(icode, &ptr, iMAC0, A_C_00000000, A_C_00000000, A_GPR(d), A_GPR(BASS_GPR + 0 + j));
			A_OP(icode, &ptr, iMACMV, A_GPR(k+1), A_GPR(k), A_GPR(k+1), A_GPR(BASS_GPR + 4 + j));
			A_OP(icode, &ptr, iMACMV, A_GPR(k), A_GPR(d), A_GPR(k), A_GPR(BASS_GPR + 2 + j));
			A_OP(icode, &ptr, iMACMV, A_GPR(k+3), A_GPR(k+2), A_GPR(k+3), A_GPR(BASS_GPR + 8 + j));
			A_OP(icode, &ptr, iMAC0, A_GPR(k+2), A_GPR_ACCU, A_GPR(k+2), A_GPR(BASS_GPR + 6 + j));
			A_OP(icode, &ptr, iACC3, A_GPR(k+2), A_GPR(k+2), A_GPR(k+2), A_C_00000000);

			A_OP(icode, &ptr, iMAC0, A_C_00000000, A_C_00000000, A_GPR(k+2), A_GPR(TREBLE_GPR + 0 + j));
			A_OP(icode, &ptr, iMACMV, A_GPR(l+1), A_GPR(l), A_GPR(l+1), A_GPR(TREBLE_GPR + 4 + j));
			A_OP(icode, &ptr, iMACMV, A_GPR(l), A_GPR(k+2), A_GPR(l), A_GPR(TREBLE_GPR + 2 + j));
			A_OP(icode, &ptr, iMACMV, A_GPR(l+3), A_GPR(l+2), A_GPR(l+3), A_GPR(TREBLE_GPR + 8 + j));
			A_OP(icode, &ptr, iMAC0, A_GPR(l+2), A_GPR_ACCU, A_GPR(l+2), A_GPR(TREBLE_GPR + 6 + j));
			A_OP(icode, &ptr, iMACINT0, A_GPR(l+2), A_C_00000000, A_GPR(l+2), A_C_00000010);

			A_OP(icode, &ptr, iACC3, A_GPR(d), A_GPR(l+2), A_C_00000000, A_C_00000000);

			if (z == 2)	/* center */
				break;
		}
	}
	nctl += 2;

#undef BASS_GPR
#undef TREBLE_GPR

	for (z = 0; z < 8; z++) {
		A_SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr + 0);
		A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + 0);
		A_SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1);
		A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
	}
	snd_emu10k1_init_stereo_onoff_control(controls + nctl++, "Tone Control - Switch", gpr, 0);
	gpr += 2;

	/* Master volume (will be renamed later) */
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+0+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+0+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+1+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+1+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+2+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+2+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+3+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+3+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+4+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+4+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+5+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+5+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+6+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+6+SND_EMU10K1_PLAYBACK_CHANNELS));
	A_OP(icode, &ptr, iMAC0, A_GPR(playback+7+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+7+SND_EMU10K1_PLAYBACK_CHANNELS));
	snd_emu10k1_init_mono_control(&controls[nctl++], "Wave Master Playback Volume", gpr, 0);
	gpr += 2;

	/* analog speakers */
	A_PUT_STEREO_OUTPUT(A_EXTOUT_AFRONT_L, A_EXTOUT_AFRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);
	A_PUT_STEREO_OUTPUT(A_EXTOUT_AREAR_L, A_EXTOUT_AREAR_R, playback+2 + SND_EMU10K1_PLAYBACK_CHANNELS);
	A_PUT_OUTPUT(A_EXTOUT_ACENTER, playback+4 + SND_EMU10K1_PLAYBACK_CHANNELS);
	A_PUT_OUTPUT(A_EXTOUT_ALFE, playback+5 + SND_EMU10K1_PLAYBACK_CHANNELS);
	if (emu->card_capabilities->spk71)
		A_PUT_STEREO_OUTPUT(A_EXTOUT_ASIDE_L, A_EXTOUT_ASIDE_R, playback+6 + SND_EMU10K1_PLAYBACK_CHANNELS);

	/* headphone */
	A_PUT_STEREO_OUTPUT(A_EXTOUT_HEADPHONE_L, A_EXTOUT_HEADPHONE_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);

	/* digital outputs */
	/* A_PUT_STEREO_OUTPUT(A_EXTOUT_FRONT_L, A_EXTOUT_FRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS); */
	if (emu->card_capabilities->emu1010) {
		/* EMU1010 Outputs from PCM Front, Rear, Center, LFE, Side */
		snd_printk("EMU outputs on\n");
		for (z = 0; z < 8; z++) {
			if (emu->card_capabilities->ca0108_chip) {
				A_OP(icode, &ptr, iACC3, A3_EMU32OUT(z), A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), A_C_00000000, A_C_00000000);
			} else {
				A_OP(icode, &ptr, iACC3, A_EMU32OUTL(z), A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), A_C_00000000, A_C_00000000);
			}
		}
	}

	/* IEC958 Optical Raw Playback Switch */ 
	gpr_map[gpr++] = 0;
	gpr_map[gpr++] = 0x1008;
	gpr_map[gpr++] = 0xffff0000;
	for (z = 0; z < 2; z++) {
		A_OP(icode, &ptr, iMAC0, A_GPR(tmp + 2), A_FXBUS(FXBUS_PT_LEFT + z), A_C_00000000, A_C_00000000);
		A_OP(icode, &ptr, iSKIP, A_GPR_COND, A_GPR_COND, A_GPR(gpr - 2), A_C_00000001);
		A_OP(icode, &ptr, iACC3, A_GPR(tmp + 2), A_C_00000000, A_C_00010000, A_GPR(tmp + 2));
		A_OP(icode, &ptr, iANDXOR, A_GPR(tmp + 2), A_GPR(tmp + 2), A_GPR(gpr - 1), A_C_00000000);
		A_SWITCH(icode, &ptr, tmp + 0, tmp + 2, gpr + z);
		A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + z);
		A_SWITCH(icode, &ptr, tmp + 1, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, tmp + 1);
		if ((z==1) && (emu->card_capabilities->spdif_bug)) {
			/* Due to a SPDIF output bug on some Audigy cards, this code delays the Right channel by 1 sample */
			snd_printk(KERN_INFO "Installing spdif_bug patch: %s\n", emu->card_capabilities->name);
			A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(gpr - 3), A_C_00000000, A_C_00000000);
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 3), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
		} else {
			A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
		}
	}
	snd_emu10k1_init_stereo_onoff_control(controls + nctl++, SNDRV_CTL_NAME_IEC958("Optical Raw ",PLAYBACK,SWITCH), gpr, 0);
	gpr += 2;
	
	A_PUT_STEREO_OUTPUT(A_EXTOUT_REAR_L, A_EXTOUT_REAR_R, playback+2 + SND_EMU10K1_PLAYBACK_CHANNELS);
	A_PUT_OUTPUT(A_EXTOUT_CENTER, playback+4 + SND_EMU10K1_PLAYBACK_CHANNELS);
	A_PUT_OUTPUT(A_EXTOUT_LFE, playback+5 + SND_EMU10K1_PLAYBACK_CHANNELS);

	/* 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

	if (emu->card_capabilities->emu1010) {
		if (emu->card_capabilities->ca0108_chip) {
			snd_printk("EMU2 inputs on\n");
			for (z = 0; z < 0x10; z++) {
				snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, 
									bit_shifter16,
									A3_EMU32IN(z),
									A_FXBUS2(z*2) );
			}
		} else {
			snd_printk("EMU inputs on\n");
			/* Capture 16 (originally 8) channels of S32_LE sound */

			/* printk("emufx.c: gpr=0x%x, tmp=0x%x\n",gpr, tmp); */
			/* For the EMU1010: How to get 32bit values from the DSP. High 16bits into L, low 16bits into R. */
			/* A_P16VIN(0) is delayed by one sample,
			 * so all other A_P16VIN channels will need to also be delayed
			 */
			/* Left ADC in. 1 of 2 */
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_P16VIN(0x0), A_FXBUS2(0) );
			/* Right ADC in 1 of 2 */
			gpr_map[gpr++] = 0x00000000;
			/* Delaying by one sample: instead of copying the input
			 * value A_P16VIN to output A_FXBUS2 as in the first channel,
			 * we use an auxiliary register, delaying the value by one
			 * sample
			 */
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(2) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x1), A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(4) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x2), A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(6) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x3), A_C_00000000, A_C_00000000);
			/* For 96kHz mode */
			/* Left ADC in. 2 of 2 */
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(0x8) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x4), A_C_00000000, A_C_00000000);
			/* Right ADC in 2 of 2 */
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(0xa) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x5), A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(0xc) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x6), A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16( icode, &ptr, tmp, bit_shifter16, A_GPR(gpr - 1), A_FXBUS2(0xe) );
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x7), A_C_00000000, A_C_00000000);
			/* Pavel Hofman - we still have voices, A_FXBUS2s, and
			 * A_P16VINs available -
			 * let's add 8 more capture channels - total of 16
			 */
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x10));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x8),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x12));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0x9),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x14));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0xa),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x16));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0xb),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x18));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0xc),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x1a));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0xd),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x1c));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0xe),
			     A_C_00000000, A_C_00000000);
			gpr_map[gpr++] = 0x00000000;
			snd_emu10k1_audigy_dsp_convert_32_to_2x16(icode, &ptr, tmp,
								  bit_shifter16,
								  A_GPR(gpr - 1),
								  A_FXBUS2(0x1e));
			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 1), A_P16VIN(0xf),
			     A_C_00000000, A_C_00000000);
		}

#if 0
		for (z = 4; z < 8; z++) {
			A_OP(icode, &ptr, iACC3, A_FXBUS2(z), A_C_00000000, A_C_00000000, A_C_00000000);
		}
		for (z = 0xc; z < 0x10; z++) {
			A_OP(icode, &ptr, iACC3, A_FXBUS2(z), A_C_00000000, A_C_00000000, A_C_00000000);
		}
#endif
	} else {
		/* EFX capture - capture the 16 EXTINs */
		/* Capture 16 channels of S16_LE sound */
		for (z = 0; z < 16; z++) {
			A_OP(icode, &ptr, iACC3, A_FXBUS2(z), A_C_00000000, A_C_00000000, A_EXTIN(z));
		}
	}
	
#endif /* JCD test */
	/*
	 * 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 = (struct snd_emu10k1_fx8010_control_gpr __user *)controls;
	emu->support_tlv = 1; /* support TLV */
	err = snd_emu10k1_icode_poke(emu, icode);
	emu->support_tlv = 0; /* clear again */
	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(struct snd_emu10k1_fx8010_code *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(struct snd_emu10k1_fx8010_code *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(struct snd_emu10k1_fx8010_code *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(struct snd_emu10k1 *emu)
{
	int err, i, z, gpr, tmp, playback, capture;
	u32 ptr;
	struct snd_emu10k1_fx8010_code *icode;
	struct snd_emu10k1_fx8010_pcm_rec *ipcm = NULL;
	struct snd_emu10k1_fx8010_control_gpr *controls = NULL, *ctl;
	u32 *gpr_map;
	mm_segment_t seg;

	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(struct snd_emu10k1_fx8010_control_gpr),
				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,