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/*
* 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.
*/
/*
* 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));
printk(KERN_DEBUG "vortex: 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);
printk(KERN_DEBUG "vortex: 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);
printk(KERN_DEBUG "vortex: 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)) {
printk
("vortex: WT SetReg: bank out of range. reg=0x%x, wt=%d\n",
reg, wt);
return 0;
}
} else {
if (wt >= NR_WT) {
printk(KERN_ERR "vortex: WT SetReg: voice out of range\n");
return 0;
}
}
if (reg > 0xc)
return 0;
switch (reg) {
/* Voice specific parameters */
case 0: /* running */
/*
printk(KERN_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 */
/*
printk(KERN_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 */
/*
printk(KERN_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 */
/*
printk(KERN_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 */
/*
printk(KERN_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 */
/*
printk(KERN_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 */
<
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