[ALSA] snd-emu10k1: Added support for emu1010, including E-Mu 1212m and E-Mu 1820m

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/emu10k1/emu10k1x.c

@@ -460,7 +460,7 @@ static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
 	u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
 	int i;
 	
-	for(i=0; i < runtime->periods; i++) {
+	for(i = 0; i < runtime->periods; i++) {
 		*table_base++=runtime->dma_addr+(i*period_size_bytes);
 		*table_base++=period_size_bytes<<16;
 	}
@@ -1042,8 +1042,8 @@ static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
 		if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
 			continue;
 
-		if ((reg < 0x49) && (reg >=0) && (val <= 0xffffffff) 
-		    && (channel_id >=0) && (channel_id <= 2) )
+		if ((reg < 0x49) && (reg >= 0) && (val <= 0xffffffff) 
+		    && (channel_id >= 0) && (channel_id <= 2) )
 			snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
 	}
 }

sound/pci/emu10k1/emufx.c

@@ -3,6 +3,9 @@
  *                   Creative Labs, Inc.
  *  Routines for effect processor FX8010
  *
+ *  Copyright (c) by James Courtier-Dutton <James@superbug.co.uk>
+ *  	Added EMU 1010 support.
+ *
  *  BUGS:
  *    --
  *
@@ -1069,6 +1072,21 @@ snd_emu10k1_init_stereo_onoff_control(struct snd_emu10k1_fx8010_control_gpr *ctl
 	ctl->translation = EMU10K1_GPR_TRANSLATION_ONOFF;
 }
 
+static int snd_emu10k1_audigy_dsp_convert_32_to_2x16(
+				struct snd_emu10k1_fx8010_code *icode,
+				u32 *ptr, int tmp, int bit_shifter16,
+				int reg_in, int reg_out)
+{
+	A_OP(icode, ptr, iACC3, A_GPR(tmp + 1), reg_in, A_C_00000000, A_C_00000000);
+	A_OP(icode, ptr, iANDXOR, A_GPR(tmp), A_GPR(tmp + 1), A_GPR(bit_shifter16 - 1), A_C_00000000);
+	A_OP(icode, ptr, iTSTNEG, A_GPR(tmp + 2), A_GPR(tmp), A_C_80000000, A_GPR(bit_shifter16 - 2));
+	A_OP(icode, ptr, iANDXOR, A_GPR(tmp + 2), A_GPR(tmp + 2), A_C_80000000, A_C_00000000);
+	A_OP(icode, ptr, iANDXOR, A_GPR(tmp), A_GPR(tmp), A_GPR(bit_shifter16 - 3), A_C_00000000);
+	A_OP(icode, ptr, iMACINT0, A_GPR(tmp), A_C_00000000, A_GPR(tmp), A_C_00010000);
+	A_OP(icode, ptr, iANDXOR, reg_out, A_GPR(tmp), A_C_ffffffff, A_GPR(tmp + 2));
+	A_OP(icode, ptr, iACC3, reg_out + 1, A_GPR(tmp + 1), A_C_00000000, A_C_00000000);
+	return 1;
+}
 
 /*
  * initial DSP configuration for Audigy
@@ -1077,6 +1095,7 @@ snd_emu10k1_init_stereo_onoff_control(struct snd_emu10k1_fx8010_control_gpr *ctl
 static int __devinit _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu)
 {
 	int err, i, z, gpr, nctl;
+	int bit_shifter16;
 	const int playback = 10;
 	const int capture = playback + (SND_EMU10K1_PLAYBACK_CHANNELS * 2); /* we reserve 10 voices */
 	const int stereo_mix = capture + 2;
@@ -1114,17 +1133,14 @@ static int __devinit _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu)
 	ptr = 0;
 	nctl = 0;
 	gpr = stereo_mix + 10;
+	gpr_map[gpr++] = 0x00007fff;
+	gpr_map[gpr++] = 0x00008000;
+	gpr_map[gpr++] = 0x0000ffff;
+	bit_shifter16 = gpr;
 
 	/* stop FX processor */
 	snd_emu10k1_ptr_write(emu, A_DBG, 0, (emu->fx8010.dbg = 0) | A_DBG_SINGLE_STEP);
 
-#if 0
-	/* FIX: jcd test */
-	for (z = 0; z < 80; z=z+2) {
-		A_OP(icode, &ptr, iACC3, A_EXTOUT(z), A_FXBUS(FXBUS_PCM_LEFT_FRONT), A_C_00000000, A_C_00000000); /* left */
-		A_OP(icode, &ptr, iACC3, A_EXTOUT(z+1), A_FXBUS(FXBUS_PCM_RIGHT_FRONT), A_C_00000000, A_C_00000000); /* right */
-	}
-#endif /* jcd test */
 #if 1
 	/* PCM front Playback Volume (independent from stereo mix) */
 	A_OP(icode, &ptr, iMAC0, A_GPR(playback), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LEFT_FRONT));
@@ -1189,6 +1205,13 @@ static int __devinit _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu)
 #define A_ADD_VOLUME_IN(var,vol,input) \
 A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 
+	/* emu1212 DSP 0 and DSP 1 Capture */
+	if (emu->card_capabilities->emu1010) {
+		A_OP(icode, &ptr, iMAC0, A_GPR(capture+0), A_GPR(capture+0), A_GPR(gpr), A_P16VIN(0x0));
+		A_OP(icode, &ptr, iMAC0, A_GPR(capture+1), A_GPR(capture+1), A_GPR(gpr+1), A_P16VIN(0x1));
+		snd_emu10k1_init_stereo_control(&controls[nctl++], "EMU Capture Volume", gpr, 0);
+		gpr += 2;
+	}
 	/* AC'97 Playback Volume - used only for mic (renamed later) */
 	A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AC97_L);
 	A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AC97_R);
@@ -1429,6 +1452,13 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 
 	/* 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++) {
+			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;
@@ -1466,10 +1496,58 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 	A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_R, capture+1);
 #endif
 
+	if (emu->card_capabilities->emu1010) {
+		snd_printk("EMU inputs on\n");
+		/* Capture 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;
+		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);
+
+#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 */
 	/*
@@ -2138,7 +2216,7 @@ void snd_emu10k1_free_efx(struct snd_emu10k1 *emu)
 		snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg = EMU10K1_DBG_SINGLE_STEP);
 }
 
-#if 0 // FIXME: who use them?
+#if 0 /* FIXME: who use them? */
 int snd_emu10k1_fx8010_tone_control_activate(struct snd_emu10k1 *emu, int output)
 {
 	if (output < 0 || output >= 6)

sound/pci/emu10k1/emuproc.c

@@ -3,6 +3,9 @@
  *                   Creative Labs, Inc.
  *  Routines for control of EMU10K1 chips / proc interface routines
  *
+ *  Copyright (c) by James Courtier-Dutton <James@superbug.co.uk>
+ *  	Added EMU 1010 support.
+ *
  *  BUGS:
  *    --
  *
@@ -255,7 +258,7 @@ static void snd_emu10k1_proc_rates_read(struct snd_info_entry *entry,
 	unsigned int val, tmp, n;
 	val = snd_emu10k1_ptr20_read(emu, CAPTURE_RATE_STATUS, 0);
 	tmp = (val >> 16) & 0x8;
-	for (n=0;n<4;n++) {
+	for (n = 0; n < 4; n++) {
 		tmp = val >> (16 + (n*4));
 		if (tmp & 0x8) snd_iprintf(buffer, "Channel %d: Rate=%d\n", n, samplerate[tmp & 0x7]);
 		else snd_iprintf(buffer, "Channel %d: No input\n", n);
@@ -372,6 +375,27 @@ static void snd_emu10k1_proc_voices_read(struct snd_info_entry *entry,
 }
 
 #ifdef CONFIG_SND_DEBUG
+static void snd_emu_proc_emu1010_reg_read(struct snd_info_entry *entry,
+				     struct snd_info_buffer *buffer)
+{
+	struct snd_emu10k1 *emu = entry->private_data;
+	unsigned long value;
+	unsigned long flags;
+	unsigned long regs;
+	int i;
+	snd_iprintf(buffer, "EMU1010 Registers:\n\n");
+
+	for(i = 0; i < 0x30; i+=1) {
+		spin_lock_irqsave(&emu->emu_lock, flags);
+		regs=i+0x40; /* 0x40 upwards are registers. */
+		outl(regs, emu->port + A_IOCFG);
+		outl(regs | 0x80, emu->port + A_IOCFG);  /* High bit clocks the value into the fpga. */
+		value = inl(emu->port + A_IOCFG);
+		spin_unlock_irqrestore(&emu->emu_lock, flags);
+		snd_iprintf(buffer, "%02X: %08lX, %02lX\n", i, value, (value >> 8) & 0x7f);
+	}
+}
+
 static void snd_emu_proc_io_reg_read(struct snd_info_entry *entry,
 				     struct snd_info_buffer *buffer)
 {
@@ -398,7 +422,7 @@ static void snd_emu_proc_io_reg_write(struct snd_info_entry *entry,
 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
 		if (sscanf(line, "%x %x", &reg, &val) != 2)
 			continue;
-		if ((reg < 0x40) && (reg >=0) && (val <= 0xffffffff) ) {
+		if ((reg < 0x40) && (reg >= 0) && (val <= 0xffffffff) ) {
 			spin_lock_irqsave(&emu->emu_lock, flags);
 			outl(val, emu->port + (reg & 0xfffffffc));
 			spin_unlock_irqrestore(&emu->emu_lock, flags);
@@ -474,7 +498,7 @@ static void snd_emu_proc_ptr_reg_write(struct snd_info_entry *entry,
 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
 		if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
 			continue;
-		if ((reg < 0xa0) && (reg >=0) && (val <= 0xffffffff) && (channel_id >=0) && (channel_id <= 3) )
+		if ((reg < 0xa0) && (reg >= 0) && (val <= 0xffffffff) && (channel_id >= 0) && (channel_id <= 3) )
 			snd_ptr_write(emu, iobase, reg, channel_id, val);
 	}
 }
@@ -531,6 +555,10 @@ int __devinit snd_emu10k1_proc_init(struct snd_emu10k1 * emu)
 {
 	struct snd_info_entry *entry;
 #ifdef CONFIG_SND_DEBUG
+	if ((emu->card_capabilities->emu1010) &&
+	     snd_card_proc_new(emu->card, "emu1010_regs", &entry)) {
+		snd_info_set_text_ops(entry, emu, snd_emu_proc_emu1010_reg_read);
+	}
 	if (! snd_card_proc_new(emu->card, "io_regs", &entry)) {
 		snd_info_set_text_ops(entry, emu, snd_emu_proc_io_reg_read);
 		entry->c.text.write = snd_emu_proc_io_reg_write;

sound/pci/emu10k1/io.c

@@ -167,6 +167,51 @@ int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
 	return 0;
 }
 
+int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value)
+{
+	if (reg < 0 || reg > 0x3f)
+		return 1;
+	reg += 0x40; /* 0x40 upwards are registers. */
+	if (value < 0 || value > 0x3f) /* 0 to 0x3f are values */
+		return 1;
+	outl(reg, emu->port + A_IOCFG);
+	udelay(10);
+	outl(reg | 0x80, emu->port + A_IOCFG);  /* High bit clocks the value into the fpga. */
+	udelay(10);
+	outl(value, emu->port + A_IOCFG);
+	udelay(10);
+	outl(value | 0x80 , emu->port + A_IOCFG);  /* High bit clocks the value into the fpga. */
+
+	return 0;
+}
+
+int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, int reg, int *value)
+{
+	if (reg < 0 || reg > 0x3f)
+		return 1;
+	reg += 0x40; /* 0x40 upwards are registers. */
+	outl(reg, emu->port + A_IOCFG);
+	udelay(10);
+	outl(reg | 0x80, emu->port + A_IOCFG);  /* High bit clocks the value into the fpga. */
+	udelay(10);
+	*value = ((inl(emu->port + A_IOCFG) >> 8) & 0x7f);
+
+	return 0;
+}
+
+/* Each Destination has one and only one Source,
+ * but one Source can feed any number of Destinations simultaneously.
+ */
+int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, int dst, int src)
+{
+	snd_emu1010_fpga_write(emu, 0x00, ((dst >> 8) & 0x3f) );
+	snd_emu1010_fpga_write(emu, 0x01, (dst & 0x3f) );
+	snd_emu1010_fpga_write(emu, 0x02, ((src >> 8) & 0x3f) );
+	snd_emu1010_fpga_write(emu, 0x03, (src & 0x3f) );
+
+	return 0;
+}
+
 void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
 {
 	unsigned long flags;

sound/pci/emu10k1/p16v.c

@@ -253,7 +253,7 @@ static int snd_p16v_pcm_close_playback(struct snd_pcm_substream *substream)
 	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 	//struct snd_pcm_runtime *runtime = substream->runtime;
 	//struct snd_emu10k1_pcm *epcm = runtime->private_data;
-	emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use=0;
+	emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use = 0;
 	/* FIXME: maybe zero others */
 	return 0;
 }
@@ -264,7 +264,7 @@ static int snd_p16v_pcm_close_capture(struct snd_pcm_substream *substream)
 	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 	//struct snd_pcm_runtime *runtime = substream->runtime;
 	//struct snd_emu10k1_pcm *epcm = runtime->private_data;
-	emu->p16v_capture_voice.use=0;
+	emu->p16v_capture_voice.use = 0;
 	/* FIXME: maybe zero others */
 	return 0;
 }
@@ -349,7 +349,7 @@ static int snd_p16v_pcm_prepare_playback(struct snd_pcm_substream *substream)
 	  break;
 	}
 	/* FIXME: Check emu->buffer.size before actually writing to it. */
-	for(i=0; i < runtime->periods; i++) {
+	for(i = 0; i < runtime->periods; i++) {
 		table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
 		table_base[(i*2)+1]=period_size_bytes<<16;
 	}
@@ -394,7 +394,7 @@ static int snd_p16v_pcm_prepare_capture(struct snd_pcm_substream *substream)
 	/* FIXME: Check emu->buffer.size before actually writing to it. */
 	snd_emu10k1_ptr20_write(emu, 0x13, channel, 0);
 	snd_emu10k1_ptr20_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
-	snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes
+	snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size) << 16); // buffer size in bytes
 	snd_emu10k1_ptr20_write(emu, CAPTURE_POINTER, channel, 0);
 	//snd_emu10k1_ptr20_write(emu, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC or Line in */
 	//snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
@@ -437,7 +437,7 @@ static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
         struct snd_pcm_substream *s;
 	u32 basic = 0;
 	u32 inte = 0;
-	int running=0;
+	int running = 0;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
@@ -445,7 +445,7 @@ static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 	default:
-		running=0;
+		running = 0;
 		break;
 	}
         snd_pcm_group_for_each(pos, substream) {

sound/pci/emu10k1/voice.c

@@ -83,7 +83,7 @@ static int voice_alloc(struct snd_emu10k1 *emu, int type, int number,
 	if (first_voice == last_voice)
 		return -ENOMEM;
 	
-	for (i=0; i < number; i++) {
+	for (i = 0; i < number; i++) {
 		voice = &emu->voices[(first_voice + i) % NUM_G];
 		// printk("voice alloc - %i, %i of %i\n", voice->number, idx-first_voice+1, number);
 		voice->use = 1;