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-rw-r--r--sound/pci/au88x0/au88x0_synth.c400
1 files changed, 400 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0_synth.c b/sound/pci/au88x0/au88x0_synth.c
new file mode 100644
index 000000000..84d961e7c
--- /dev/null
+++ b/sound/pci/au88x0/au88x0_synth.c
@@ -0,0 +1,400 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+/*
+ * Someday its supposed to make use of the WT DMA engine
+ * for a Wavetable synthesizer.
+ */
+
+#include "au88x0.h"
+#include "au88x0_wt.h"
+
+static void vortex_fifo_setwtvalid(vortex_t * vortex, int fifo, int en);
+static void vortex_connection_adb_mixin(vortex_t * vortex, int en,
+ unsigned char channel,
+ unsigned char source,
+ unsigned char mixin);
+static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
+ unsigned char mixin,
+ unsigned char mix, int a);
+static void vortex_fifo_wtinitialize(vortex_t * vortex, int fifo, int j);
+static int vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt,
+ u32 val);
+
+/* WT */
+
+/* Put 2 WT channels together for one stereo interlaced channel. */
+static void vortex_wt_setstereo(vortex_t * vortex, u32 wt, u32 stereo)
+{
+ int temp;
+
+ //temp = hwread(vortex->mmio, 0x80 + ((wt >> 0x5)<< 0xf) + (((wt & 0x1f) >> 1) << 2));
+ temp = hwread(vortex->mmio, WT_STEREO(wt));
+ temp = (temp & 0xfe) | (stereo & 1);
+ //hwwrite(vortex->mmio, 0x80 + ((wt >> 0x5)<< 0xf) + (((wt & 0x1f) >> 1) << 2), temp);
+ hwwrite(vortex->mmio, WT_STEREO(wt), temp);
+}
+
+/* Join to mixdown route. */
+static void vortex_wt_setdsout(vortex_t * vortex, u32 wt, int en)
+{
+ int temp;
+
+ /* There is one DSREG register for each bank (32 voices each). */
+ temp = hwread(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0));
+ if (en)
+ temp |= (1 << (wt & 0x1f));
+ else
+ temp &= ~(1 << (wt & 0x1f));
+ hwwrite(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0), temp);
+}
+
+/* Setup WT route. */
+static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch)
+{
+ wt_voice_t *voice = &(vortex->wt_voice[wt]);
+ int temp;
+
+ //FIXME: WT audio routing.
+ if (nr_ch) {
+ vortex_fifo_wtinitialize(vortex, wt, 1);
+ vortex_fifo_setwtvalid(vortex, wt, 1);
+ vortex_wt_setstereo(vortex, wt, nr_ch - 1);
+ } else
+ vortex_fifo_setwtvalid(vortex, wt, 0);
+
+ /* Set mixdown mode. */
+ vortex_wt_setdsout(vortex, wt, 1);
+ /* Set other parameter registers. */
+ hwwrite(vortex->mmio, WT_SRAMP(0), 0x880000);
+ //hwwrite(vortex->mmio, WT_GMODE(0), 0xffffffff);
+#ifdef CHIP_AU8830
+ hwwrite(vortex->mmio, WT_SRAMP(1), 0x880000);
+ //hwwrite(vortex->mmio, WT_GMODE(1), 0xffffffff);
+#endif
+ hwwrite(vortex->mmio, WT_PARM(wt, 0), 0);
+ hwwrite(vortex->mmio, WT_PARM(wt, 1), 0);
+ hwwrite(vortex->mmio, WT_PARM(wt, 2), 0);
+
+ temp = hwread(vortex->mmio, WT_PARM(wt, 3));
+ dev_dbg(vortex->card->dev, "WT PARM3: %x\n", temp);
+ //hwwrite(vortex->mmio, WT_PARM(wt, 3), temp);
+
+ hwwrite(vortex->mmio, WT_DELAY(wt, 0), 0);
+ hwwrite(vortex->mmio, WT_DELAY(wt, 1), 0);
+ hwwrite(vortex->mmio, WT_DELAY(wt, 2), 0);
+ hwwrite(vortex->mmio, WT_DELAY(wt, 3), 0);
+
+ dev_dbg(vortex->card->dev, "WT GMODE: %x\n",
+ hwread(vortex->mmio, WT_GMODE(wt)));
+
+ hwwrite(vortex->mmio, WT_PARM(wt, 2), 0xffffffff);
+ hwwrite(vortex->mmio, WT_PARM(wt, 3), 0xcff1c810);
+
+ voice->parm0 = voice->parm1 = 0xcfb23e2f;
+ hwwrite(vortex->mmio, WT_PARM(wt, 0), voice->parm0);
+ hwwrite(vortex->mmio, WT_PARM(wt, 1), voice->parm1);
+ dev_dbg(vortex->card->dev, "WT GMODE 2 : %x\n",
+ hwread(vortex->mmio, WT_GMODE(wt)));
+ return 0;
+}
+
+
+static void vortex_wt_connect(vortex_t * vortex, int en)
+{
+ int i, ii, mix;
+
+#define NR_WTROUTES 6
+#ifdef CHIP_AU8830
+#define NR_WTBLOCKS 2
+#else
+#define NR_WTBLOCKS 1
+#endif
+
+ for (i = 0; i < NR_WTBLOCKS; i++) {
+ for (ii = 0; ii < NR_WTROUTES; ii++) {
+ mix =
+ vortex_adb_checkinout(vortex,
+ vortex->fixed_res, en,
+ VORTEX_RESOURCE_MIXIN);
+ vortex->mixwt[(i * NR_WTROUTES) + ii] = mix;
+
+ vortex_route(vortex, en, 0x11,
+ ADB_WTOUT(i, ii + 0x20), ADB_MIXIN(mix));
+
+ vortex_connection_mixin_mix(vortex, en, mix,
+ vortex->mixplayb[ii % 2], 0);
+ if (VORTEX_IS_QUAD(vortex))
+ vortex_connection_mixin_mix(vortex, en,
+ mix,
+ vortex->mixplayb[2 +
+ (ii % 2)], 0);
+ }
+ }
+ for (i = 0; i < NR_WT; i++) {
+ hwwrite(vortex->mmio, WT_RUN(i), 1);
+ }
+}
+
+/* Read WT Register */
+#if 0
+static int vortex_wt_GetReg(vortex_t * vortex, char reg, int wt)
+{
+ //int eax, esi;
+
+ if (reg == 4) {
+ return hwread(vortex->mmio, WT_PARM(wt, 3));
+ }
+ if (reg == 7) {
+ return hwread(vortex->mmio, WT_GMODE(wt));
+ }
+
+ return 0;
+}
+
+/* WT hardware abstraction layer generic register interface. */
+static int
+vortex_wt_SetReg2(vortex_t * vortex, unsigned char reg, int wt,
+ u16 val)
+{
+ /*
+ int eax, edx;
+
+ if (wt >= NR_WT) // 0x40 -> NR_WT
+ return 0;
+
+ if ((reg - 0x20) > 0) {
+ if ((reg - 0x21) != 0)
+ return 0;
+ eax = ((((b & 0xff) << 0xb) + (edx & 0xff)) << 4) + 0x208; // param 2
+ } else {
+ eax = ((((b & 0xff) << 0xb) + (edx & 0xff)) << 4) + 0x20a; // param 3
+ }
+ hwwrite(vortex->mmio, eax, c);
+ */
+ return 1;
+}
+
+/*public: static void __thiscall CWTHal::SetReg(unsigned char,int,unsigned long) */
+#endif
+static int
+vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt,
+ u32 val)
+{
+ int ecx;
+
+ if ((reg == 5) || ((reg >= 7) && (reg <= 10)) || (reg == 0xc)) {
+ if (wt >= (NR_WT / NR_WT_PB)) {
+ dev_warn(vortex->card->dev,
+ "WT SetReg: bank out of range. reg=0x%x, wt=%d\n",
+ reg, wt);
+ return 0;
+ }
+ } else {
+ if (wt >= NR_WT) {
+ dev_err(vortex->card->dev,
+ "WT SetReg: voice out of range\n");
+ return 0;
+ }
+ }
+ if (reg > 0xc)
+ return 0;
+
+ switch (reg) {
+ /* Voice specific parameters */
+ case 0: /* running */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_RUN(wt), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_RUN(wt), val);
+ return 0xc;
+ case 1: /* param 0 */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_PARM(wt,0), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_PARM(wt, 0), val);
+ return 0xc;
+ case 2: /* param 1 */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_PARM(wt,1), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_PARM(wt, 1), val);
+ return 0xc;
+ case 3: /* param 2 */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_PARM(wt,2), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_PARM(wt, 2), val);
+ return 0xc;
+ case 4: /* param 3 */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_PARM(wt,3), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_PARM(wt, 3), val);
+ return 0xc;
+ case 6: /* mute */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_MUTE(wt), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_MUTE(wt), val);
+ return 0xc;
+ case 0xb:
+ /* delay */
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n",
+ WT_DELAY(wt,0), (int)val);
+ */
+ hwwrite(vortex->mmio, WT_DELAY(wt, 3), val);
+ hwwrite(vortex->mmio, WT_DELAY(wt, 2), val);
+ hwwrite(vortex->mmio, WT_DELAY(wt, 1), val);
+ hwwrite(vortex->mmio, WT_DELAY(wt, 0), val);
+ return 0xc;
+ /* Global WT block parameters */
+ case 5: /* sramp */
+ ecx = WT_SRAMP(wt);
+ break;
+ case 8: /* aramp */
+ ecx = WT_ARAMP(wt);
+ break;
+ case 9: /* mramp */
+ ecx = WT_MRAMP(wt);
+ break;
+ case 0xa: /* ctrl */
+ ecx = WT_CTRL(wt);
+ break;
+ case 0xc: /* ds_reg */
+ ecx = WT_DSREG(wt);
+ break;
+ default:
+ return 0;
+ }
+ /*
+ pr_debug( "vortex: WT SetReg(0x%x) = 0x%08x\n", ecx, (int)val);
+ */
+ hwwrite(vortex->mmio, ecx, val);
+ return 1;
+}
+
+static void vortex_wt_init(vortex_t * vortex)
+{
+ u32 var4, var8, varc, var10 = 0, edi;
+
+ var10 &= 0xFFFFFFE3;
+ var10 |= 0x22;
+ var10 &= 0xFFFFFEBF;
+ var10 |= 0x80;
+ var10 |= 0x200;
+ var10 &= 0xfffffffe;
+ var10 &= 0xfffffbff;
+ var10 |= 0x1800;
+ // var10 = 0x1AA2
+ var4 = 0x10000000;
+ varc = 0x00830000;
+ var8 = 0x00830000;
+
+ /* Init Bank registers. */
+ for (edi = 0; edi < (NR_WT / NR_WT_PB); edi++) {
+ vortex_wt_SetReg(vortex, 0xc, edi, 0); /* ds_reg */
+ vortex_wt_SetReg(vortex, 0xa, edi, var10); /* ctrl */
+ vortex_wt_SetReg(vortex, 0x9, edi, var4); /* mramp */
+ vortex_wt_SetReg(vortex, 0x8, edi, varc); /* aramp */
+ vortex_wt_SetReg(vortex, 0x5, edi, var8); /* sramp */
+ }
+ /* Init Voice registers. */
+ for (edi = 0; edi < NR_WT; edi++) {
+ vortex_wt_SetReg(vortex, 0x4, edi, 0); /* param 3 0x20c */
+ vortex_wt_SetReg(vortex, 0x3, edi, 0); /* param 2 0x208 */
+ vortex_wt_SetReg(vortex, 0x2, edi, 0); /* param 1 0x204 */
+ vortex_wt_SetReg(vortex, 0x1, edi, 0); /* param 0 0x200 */
+ vortex_wt_SetReg(vortex, 0xb, edi, 0); /* delay 0x400 - 0x40c */
+ }
+ var10 |= 1;
+ for (edi = 0; edi < (NR_WT / NR_WT_PB); edi++)
+ vortex_wt_SetReg(vortex, 0xa, edi, var10); /* ctrl */
+}
+
+/* Extract of CAdbTopology::SetVolume(struct _ASPVOLUME *) */
+#if 0
+static void vortex_wt_SetVolume(vortex_t * vortex, int wt, int vol[])
+{
+ wt_voice_t *voice = &(vortex->wt_voice[wt]);
+ int ecx = vol[1], eax = vol[0];
+
+ /* This is pure guess */
+ voice->parm0 &= 0xff00ffff;
+ voice->parm0 |= (vol[0] & 0xff) << 0x10;
+ voice->parm1 &= 0xff00ffff;
+ voice->parm1 |= (vol[1] & 0xff) << 0x10;
+
+ /* This is real */
+ hwwrite(vortex, WT_PARM(wt, 0), voice->parm0);
+ hwwrite(vortex, WT_PARM(wt, 1), voice->parm0);
+
+ if (voice->this_1D0 & 4) {
+ eax >>= 8;
+ ecx = eax;
+ if (ecx < 0x80)
+ ecx = 0x7f;
+ voice->parm3 &= 0xFFFFC07F;
+ voice->parm3 |= (ecx & 0x7f) << 7;
+ voice->parm3 &= 0xFFFFFF80;
+ voice->parm3 |= (eax & 0x7f);
+ } else {
+ voice->parm3 &= 0xFFE03FFF;
+ voice->parm3 |= (eax & 0xFE00) << 5;
+ }
+
+ hwwrite(vortex, WT_PARM(wt, 3), voice->parm3);
+}
+
+/* Extract of CAdbTopology::SetFrequency(unsigned long arg_0) */
+static void vortex_wt_SetFrequency(vortex_t * vortex, int wt, unsigned int sr)
+{
+ wt_voice_t *voice = &(vortex->wt_voice[wt]);
+ u32 eax, edx;
+
+ //FIXME: 64 bit operation.
+ eax = ((sr << 0xf) * 0x57619F1) & 0xffffffff;
+ edx = (((sr << 0xf) * 0x57619F1)) >> 0x20;
+
+ edx >>= 0xa;
+ edx <<= 1;
+ if (edx) {
+ if (edx & 0x0FFF80000)
+ eax = 0x7fff;
+ else {
+ edx <<= 0xd;
+ eax = 7;
+ while ((edx & 0x80000000) == 0) {
+ edx <<= 1;
+ eax--;
+ if (eax == 0)
+ break;
+ }
+ if (eax)
+ edx <<= 1;
+ eax <<= 0xc;
+ edx >>= 0x14;
+ eax |= edx;
+ }
+ } else
+ eax = 0;
+ voice->parm0 &= 0xffff0001;
+ voice->parm0 |= (eax & 0x7fff) << 1;
+ voice->parm1 = voice->parm0 | 1;
+ // Wt: this_1D4
+ //AuWt::WriteReg((ulong)(this_1DC<<4)+0x200, (ulong)this_1E4);
+ //AuWt::WriteReg((ulong)(this_1DC<<4)+0x204, (ulong)this_1E8);
+ hwwrite(vortex->mmio, WT_PARM(wt, 0), voice->parm0);
+ hwwrite(vortex->mmio, WT_PARM(wt, 1), voice->parm1);
+}
+#endif
+
+/* End of File */
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