ALSA CVS update

D:2003/08/29 10:22:27
C:EMU10K1/EMU10K2 driver
A:Takashi Iwai <tiwai@suse.de>
F:include/emu10k1.h:1.30->1.31 
F:pci/emu10k1/emu10k1.c:1.20->1.21 
F:pci/emu10k1/emufx.c:1.37->1.38 
F:pci/emu10k1/emupcm.c:1.21->1.22 
L:Peter Zubaj <pzad@pobox.sk>:
L:- Added the support of AC3 passthrough on Audigy.
L:
L:James Courtier-Dutton <James@superbug.demon.co.uk>:
L:- Use different driver name for Audigy2.

include/sound/emu10k1.h

@@ -1152,6 +1152,8 @@ int snd_emu10k1_proc_init(emu10k1_t * emu);
 #define FXBUS_MIDI_RIGHT	0x05
 #define FXBUS_PCM_CENTER	0x06
 #define FXBUS_PCM_LFE		0x07
+#define FXBUS_PT_LEFT		20
+#define FXBUS_PT_RIGHT		21
 #define FXBUS_MIDI_REVERB	0x0c
 #define FXBUS_MIDI_CHORUS	0x0d
 

sound/pci/emu10k1/emu10k1.c

@@ -170,7 +170,10 @@ static int __devinit snd_card_emu10k1_probe(struct pci_dev *pci,
 	}
 #endif
  
-	if (emu->audigy) {
+	if (emu->audigy && (emu->revision == 4) ) {
+		strcpy(card->driver, "Audigy2");
+		strcpy(card->shortname, "Sound Blaster Audigy2");
+	} else if (emu->audigy) {
 		strcpy(card->driver, "Audigy");
 		strcpy(card->shortname, "Sound Blaster Audigy");
 	} else if (emu->APS) {

sound/pci/emu10k1/emufx.c

@@ -1235,6 +1235,7 @@ static void __devinit snd_emu10k1_init_stereo_onoff_control(emu10k1_fx8010_contr
  */
 
 #define A_GPR_ACCU 0xd6
+#define A_GPR_COND 0xd7
 
 static int __devinit _snd_emu10k1_audigy_init_efx(emu10k1_t *emu)
 {
@@ -1504,12 +1505,6 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 		gpr += 2;
 	}	
 
-	/* digital outputs */
-	A_PUT_STEREO_OUTPUT(A_EXTOUT_FRONT_L, A_EXTOUT_FRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);
-	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);
-
 	/* analog speakers */
 	if (emu->revision == 4) { /* audigy2 */
 		A_PUT_STEREO_OUTPUT(A_EXTOUT_AFRONT_L, A_EXTOUT_AFRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);
@@ -1523,6 +1518,29 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 	/* 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);
+
+	/* IEC958 Optical Raw Playback Switch */ 
+	icode->gpr_map[gpr++] = 0x1008;
+	icode->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);
+		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++, "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 */
 	A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_L, capture);
 	A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_R, capture+1);

sound/pci/emu10k1/emupcm.c

@@ -666,8 +666,11 @@ static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * subs
 #else	/* EMU10K1 Open Source code from Creative */
 	if (ptr < epcm->ccca_start_addr)
 		ptr += runtime->buffer_size - epcm->ccca_start_addr;
-	else
+	else {
 		ptr -= epcm->ccca_start_addr;
+		if (ptr >= runtime->buffer_size)
+			ptr -= runtime->buffer_size;
+	}
 #endif
 	// printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
 	return ptr;