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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/pci/au88x0/au88x0_synth.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/pci/au88x0/au88x0_synth.c')
-rw-r--r-- | sound/pci/au88x0/au88x0_synth.c | 400 |
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 */ |