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