[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>

1 files changed, 90 insertions, 12 deletions

diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 13cd6ce89811..d8e8db89535f 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/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));
@@ -1182,13 +1198,20 @@ static int __devinit _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu)
         A_OP(icode, &ptr, iMAC0, A_GPR(capture+1), A_GPR(capture+1), A_GPR(gpr+1), A_FXBUS(FXBUS_MIDI_RIGHT));
         snd_emu10k1_init_stereo_control(&controls[nctl++], "Synth Capture Volume", gpr, 0);
         gpr += 2;
-
+      
         /*
          * inputs
          */
 #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;
@@ -1466,9 +1496,57 @@ 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
 
-        /* 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));
+        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)