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linux/sound/pci/au88x0/au88x0_synth.c
Thomas Gleixner 005fdd53d6 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 130 
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu library general public license for more details
  you should have received a copy of the gnu general public license
  along with this program if not write to the free software foundation
  inc 59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 10 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527063114.579638220@linutronix.de
Link: https://lkml.kernel.org/r/20190524100843.303899865@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:25:14 -07:00

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// 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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