- 根目录:
- sound
- pci
- au88x0
- au88x0_eq.c
/***************************************************************************
* au88x0_eq.c
* Aureal Vortex Hardware EQ control/access.
*
* Sun Jun 8 18:19:19 2003
* 2003 Manuel Jander (mjander@users.sourceforge.net)
*
* 02 July 2003: First time something works :)
* November 2003: A3D Bypass code completed but untested.
*
* TODO:
* - Debug (testing)
* - Test peak visualization support.
*
****************************************************************************/
/*
* 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.
*/
/*
The Aureal Hardware EQ is found on AU8810 and AU8830 chips only.
it has 4 inputs (2 for general mix, 2 for A3D) and 2 outputs (supposed
to be routed to the codec).
*/
#include "au88x0.h"
#include "au88x0_eq.h"
#include "au88x0_eqdata.c"
#define VORTEX_EQ_BASE 0x2b000
#define VORTEX_EQ_DEST (VORTEX_EQ_BASE + 0x410)
#define VORTEX_EQ_SOURCE (VORTEX_EQ_BASE + 0x430)
#define VORTEX_EQ_CTRL (VORTEX_EQ_BASE + 0x440)
#define VORTEX_BAND_COEFF_SIZE 0x30
/* CEqHw.s */
static void vortex_EqHw_SetTimeConsts(vortex_t * vortex, u16 gain, u16 level)
{
hwwrite(vortex->mmio, 0x2b3c4, gain);
hwwrite(vortex->mmio, 0x2b3c8, level);
}
static inline u16 sign_invert(u16 a)
{
/* -(-32768) -> -32768 so we do -(-32768) -> 32767 to make the result positive */
if (a == (u16)-32768)
return 32767;
else
return -a;
}
static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int i = 0, n /*esp2c */;
for (n = 0; n < eqhw->this04; n++) {
hwwrite(vortex->mmio, 0x2b000 + n * 0x30, coefs[i + 0]);
hwwrite(vortex->mmio, 0x2b004 + n * 0x30, coefs[i + 1]);
if (eqhw->this08 == 0) {
hwwrite(vortex->mmio, 0x2b008 + n * 0x30, coefs[i + 2]);
hwwrite(vortex->mmio, 0x2b00c + n * 0x30, coefs[i + 3]);
hwwrite(vortex->mmio, 0x2b010 + n * 0x30, coefs[i + 4]);
} else {
hwwrite(vortex->mmio, 0x2b008 + n * 0x30, sign_invert(coefs[2 + i]));
hwwrite(vortex->mmio, 0x2b00c + n * 0x30, sign_invert(coefs[3 + i]));
hwwrite(vortex->mmio, 0x2b010 + n * 0x30, sign_invert(coefs[4 + i]));
}
i += 5;
}
}
static void vortex_EqHw_SetRightCoefs(vortex_t * vortex, u16 coefs[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int i = 0, n /*esp2c */;
for (n = 0; n < eqhw->this04; n++) {
hwwrite(vortex->mmio, 0x2b1e0 + n * 0x30, coefs[0 + i]);
hwwrite(vortex->mmio, 0x2b1e4 + n * 0x30, coefs[1 + i]);
if (eqhw->this08 == 0) {
hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, coefs[2 + i]);
hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, coefs[3 + i]);
hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, coefs[4 + i]);
} else {
hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, sign_invert(coefs[2 + i]));
hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, sign_invert(coefs[3 + i]));
hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, sign_invert(coefs[4 + i]));
}
i += 5;
}
}
static void vortex_EqHw_SetLeftStates(vortex_t * vortex, u16 a[], u16 b[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int i = 0, ebx;
hwwrite(vortex->mmio, 0x2b3fc, a[0]);
hwwrite(vortex->mmio, 0x2b400, a[1]);
for (ebx = 0; ebx < eqhw->this04; ebx++) {
hwwrite(vortex->mmio, 0x2b014 + (i * 0xc), b[i]);
hwwrite(vortex->mmio, 0x2b018 + (i * 0xc), b[1 + i]);
hwwrite(vortex->mmio, 0x2b01c + (i * 0xc), b[2 + i]);
hwwrite(vortex->mmio, 0x2b020 + (i * 0xc), b[3 + i]);
i += 4;
}
}
static void vortex_EqHw_SetRightStates(vortex_t * vortex, u16 a[], u16 b[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int i = 0, ebx;
hwwrite(vortex->mmio, 0x2b404, a[0]);
hwwrite(vortex->mmio, 0x2b408, a[1]);
for (ebx = 0; ebx < eqhw->this04; ebx++) {
hwwrite(vortex->mmio, 0x2b1f4 + (i * 0xc), b[i]);
hwwrite(vortex->mmio, 0x2b1f8 + (i * 0xc), b[1 + i]);
hwwrite(vortex->mmio, 0x2b1fc + (i * 0xc), b[2 + i]);
hwwrite(vortex->mmio, 0x2b200 + (i * 0xc), b[3 + i]);
i += 4;
}
}
#if 0
static void vortex_EqHw_GetTimeConsts(vortex_t * vortex, u16 * a, u16 * b)
{
*a = hwread(vortex->mmio, 0x2b3c4);
*b = hwread(vortex->mmio, 0x2b3c8);
}
static void vortex_EqHw_GetLeftCoefs(vortex_t * vortex, u16 a[])
{
}
static void vortex_EqHw_GetRightCoefs(vortex_t * vortex, u16 a[])
{
}
static void vortex_EqHw_GetLeftStates(vortex_t * vortex, u16 * a, u16 b[])
{
}
static void vortex_EqHw_GetRightStates(vortex_t * vortex, u16 * a, u16 b[])
{
}
#endif
/* Mix Gains */
static void vortex_EqHw_SetBypassGain(vortex_t * vortex, u16 a, u16 b)
{
eqhw_t *eqhw = &(vortex->eq.this04);
if (eqhw->this08 == 0) {
hwwrite(vortex->mmio, 0x2b3d4, a);
hwwrite(vortex->mmio, 0x2b3ec, b);
} else {
hwwrite(vortex->mmio, 0x2b3d4, sign_invert(a));
hwwrite(vortex->mmio, 0x2b3ec, sign_invert(b));
}
}
static void vortex_EqHw_SetA3DBypassGain(vortex_t * vortex, u16 a, u16 b)
{
hwwrite(vortex->mmio, 0x2b3e0, a);
hwwrite(vortex->mmio, 0x2b3f8, b);
}
#if 0
static void vortex_EqHw_SetCurrBypassGain(vortex_t * vortex, u16 a, u16 b)
{
hwwrite(vortex->mmio, 0x2b3d0, a);
hwwrite(vortex->mmio, 0x2b3e8, b);
}
static void vortex_EqHw_SetCurrA3DBypassGain(vortex_t * vortex, u16 a, u16 b)
{
hwwrite(vortex->mmio, 0x2b3dc, a);
hwwrite(vortex->mmio, 0x2b3f4, b);
}
#endif
static void
vortex_EqHw_SetLeftGainsSingleTarget(vortex_t * vortex, u16 index, u16 b)
{
hwwrite(vortex->mmio, 0x2b02c + (index * 0x30), b);
}
static void
vortex_EqHw_SetRightGainsSingleTarget(vortex_t * vortex, u16 index, u16 b)
{
hwwrite(vortex->mmio, 0x2b20c + (index * 0x30), b);
}
static void vortex_EqHw_SetLeftGainsTarget(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx;
for (ebx = 0; ebx < eqhw->this04; ebx++) {
hwwrite(vortex->mmio, 0x2b02c + ebx * 0x30, a[ebx]);
}
}
static void vortex_EqHw_SetRightGainsTarget(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx;
for (ebx = 0; ebx < eqhw->this04; ebx++) {
hwwrite(vortex->mmio, 0x2b20c + ebx * 0x30, a[ebx]);
}
}
static void vortex_EqHw_SetLeftGainsCurrent(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx;
for (ebx = 0; ebx < eqhw->this04; ebx++) {
hwwrite(vortex->mmio, 0x2b028 + ebx * 0x30, a[ebx]);
}
}
static void vortex_EqHw_SetRightGainsCurrent(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx;
for (ebx = 0; ebx < eqhw->this04; ebx++) {
hwwrite(vortex->mmio, 0x2b208 + ebx * 0x30, a[ebx]);
}
}
#if 0
static void vortex_EqHw_GetLeftGainsTarget(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx = 0;
if (eqhw->this04 < 0)
return;
do {
a[ebx] = hwread(vortex->mmio, 0x2b02c + ebx * 0x30);
ebx++;
}
while (ebx < eqhw->this04);
}
static void vortex_EqHw_GetRightGainsTarget(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx = 0;
if (eqhw->this04 < 0)
return;
do {
a[ebx] = hwread(vortex->mmio, 0x2b20c + ebx * 0x30);
ebx++;
}
while (ebx < eqhw->this04);
}
static void vortex_EqHw_GetLeftGainsCurrent(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx = 0;
if (eqhw->this04 < 0)
return;
do {
a[ebx] = hwread(vortex->mmio, 0x2b028 + ebx * 0x30);
ebx++;
}
while (ebx < eqhw->this04);
}
static void vortex_EqHw_GetRightGainsCurrent(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx = 0;
if (eqhw->this04 < 0)
return;
do {
a[ebx] = hwread(vortex->mmio, 0x2b208 + ebx * 0x30);
ebx++;
}
while (ebx < eqhw->this04);
}
#endif
/* EQ band levels settings */
static void vortex_EqHw_SetLevels(vortex_t * vortex, u16 peaks[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int i;
/* set left peaks */
for (i = 0; i < eqhw->this04; i++) {
hwwrite(vortex->mmio, 0x2b024 + i * VORTEX_BAND_COEFF_SIZE, peaks[i]);
}
hwwrite(vortex->mmio, 0x2b3cc, peaks[eqhw->this04]);
hwwrite(vortex->mmio, 0x2b3d8, peaks[eqhw->this04 + 1]);
/* set right peaks */
for (i = 0; i < eqhw->this04; i++) {
hwwrite(vortex->mmio, 0x2b204 + i * VORTEX_BAND_COEFF_SIZE,
peaks[i + (eqhw->this04 + 2)]);
}
hwwrite(vortex->mmio, 0x2b3e4, peaks[2 + (eqhw->this04 * 2)]);
hwwrite(vortex->mmio, 0x2b3f0, peaks[3 + (eqhw->this04 * 2)]);
}
#if 0
static void vortex_EqHw_GetLevels(vortex_t * vortex, u16 a[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int ebx;
if (eqhw->this04 < 0)
return;
ebx = 0;
do {
a[ebx] = hwread(vortex->mmio, 0x2b024 + ebx * 0x30);
ebx++;
}
while (ebx < eqhw->this04);
a[eqhw->this04] = hwread(vortex->mmio, 0x2b3cc);
a[eqhw->this04 + 1] = hwread(vortex->mmio, 0x2b3d8);
ebx = 0;
do {
a[ebx + (eqhw->this04 + 2)] =
hwread(vortex->mmio, 0x2b204 + ebx * 0x30);
ebx++;
}
while (ebx < eqhw->this04);
a[2 + (eqhw->this04 * 2)] = hwread(vortex->mmio, 0x2b3e4);
a[3 + (eqhw->this04 * 2)] = hwread(vortex->mmio, 0x2b3f0);
}
#endif
/* Global Control */
static void vortex_EqHw_SetControlReg(vortex_t * vortex, u32 reg)
{
hwwrite(vortex->mmio, 0x2b440, reg);
}
static void vortex_EqHw_SetSampleRate(vortex_t * vortex, u32 sr)
{
hwwrite(vortex->mmio, 0x2b440, ((sr & 0x1f) << 3) | 0xb800);
}
#if 0
static void vortex_EqHw_GetControlReg(vortex_t * vortex, u32 *reg)
{
*reg = hwread(vortex->mmio, 0x2b440);
}
static void vortex_EqHw_GetSampleRate(vortex_t * vortex, u32 *sr)
{
*sr = (hwread(vortex->mmio, 0x2b440) >> 3) & 0x1f;
}
#endif
static void vortex_EqHw_Enable(vortex_t * vortex)
{
hwwrite(vortex->mmio, VORTEX_EQ_CTRL, 0xf001);
}
static void vortex_EqHw_Disable(vortex_t * vortex)
{
hwwrite(vortex->mmio, VORTEX_EQ_CTRL, 0xf000);
}
/* Reset (zero) buffers */
static void vortex_EqHw_ZeroIO(vortex_t * vortex)
{
int i;
for (i = 0; i < 0x8; i++)
hwwrite(vortex->mmio, VORTEX_EQ_DEST + (i << 2), 0x0);
for (i = 0; i < 0x4; i++)
hwwrite(vortex->mmio, VORTEX_EQ_SOURCE + (i << 2), 0x0);
}
static void vortex_EqHw_ZeroA3DIO(vortex_t * vortex)
{
int i;
for (i = 0; i < 0x4; i++)
hwwrite(vortex->mmio, VORTEX_EQ_DEST + (i << 2), 0x0);
}
static void vortex_EqHw_ZeroState(vortex_t * vortex)
{
vortex_EqHw_SetControlReg(vortex, 0);
vortex_EqHw_ZeroIO(vortex);
hwwrite(vortex->mmio, 0x2b3c0, 0);
vortex_EqHw_SetTimeConsts(vortex, 0, 0);
vortex_EqHw_SetLeftCoefs(vortex, asEqCoefsZeros);
vortex_EqHw_SetRightCoefs(vortex, asEqCoefsZeros);
vortex_EqHw_SetLeftGainsCurrent(vortex, eq_gains_zero);
vortex_EqHw_SetRightGainsCurrent(vortex, eq_gains_zero);
vortex_EqHw_SetLeftGainsTarget(vortex, eq_gains_zero);
vortex_EqHw_SetRightGainsTarget(vortex, eq_gains_zero);
vortex_EqHw_SetBypassGain(vortex, 0, 0);
//vortex_EqHw_SetCurrBypassGain(vortex, 0, 0);
vortex_EqHw_SetA3DBypassGain(vortex, 0, 0);
//vortex_EqHw_SetCurrA3DBypassGain(vortex, 0, 0);
vortex_EqHw_SetLeftStates(vortex, eq_states_zero, asEqOutStateZeros);
vortex_EqHw_SetRightStates(vortex, eq_states_zero, asEqOutStateZeros);
vortex_EqHw_SetLevels(vortex, (u16 *) eq_levels);
}
/* Program coeficients as pass through */
static void vortex_EqHw_ProgramPipe(vortex_t * vortex)
{
vortex_EqHw_SetTimeConsts(vortex, 0, 0);
vortex_EqHw_SetLeftCoefs(vortex, asEqCoefsPipes);
vortex_EqHw_SetRightCoefs(vortex, asEqCoefsPipes);
vortex_EqHw_SetLeftGainsCurrent(vortex, eq_gains_current);
vortex_EqHw_SetRightGainsCurrent(vortex, eq_gains_current);
vortex_EqHw_SetLeftGainsTarget(vortex, eq_gains_current);
vortex_EqHw_SetRightGainsTarget(vortex, eq_gains_current);
}
/* Program EQ block as 10 band Equalizer */
static void
vortex_EqHw_Program10Band(vortex_t * vortex, auxxEqCoeffSet_t * coefset)
{
vortex_EqHw_SetTimeConsts(vortex, 0xc, 0x7fe0);
vortex_EqHw_SetLeftCoefs(vortex, coefset->LeftCoefs);
vortex_EqHw_SetRightCoefs(vortex, coefset->RightCoefs);
vortex_EqHw_SetLeftGainsCurrent(vortex, coefset->LeftGains);
vortex_EqHw_SetRightGainsTarget(vortex, coefset->RightGains);
vortex_EqHw_SetLeftGainsTarget(vortex, coefset->LeftGains);
vortex_EqHw_SetRightGainsCurrent(vortex, coefset->RightGains);
}
/* Read all EQ peaks. (think VU meter) */
static void vortex_EqHw_GetTenBandLevels(vortex_t * vortex, u16 peaks[])
{
eqhw_t *eqhw = &(vortex->eq.this04);
int i;
if (eqhw->this04 <= 0)
return;
for (i = 0; i < eqhw->this04; i++)
peaks[i] = hwread(vortex->mmio, 0x2B024 + i * 0x30);
for (i = 0; i < eqhw->this04; i++)
peaks[i + eqhw->this04] =
hwread(vortex->mmio, 0x2B204 + i * 0x30);
}
/* CEqlzr.s */
static int vortex_Eqlzr_GetLeftGain(vortex_t * vortex, u16 index, u16 * gain)
{
eqlzr_t *eq = &(vortex->eq);
if (eq->this28) {
*gain = eq->this130[index];
return 0;
}
return 1;
}
static void vortex_Eqlzr_SetLeftGain(vortex_t * vortex, u16 index, u16 gain)
{
eqlzr_t *eq = &(vortex->eq);
if (eq->this28 == 0)
return;
eq->this130[index] = gain;
if (eq->this54)
return;
vortex_EqHw_SetLeftGainsSingleTarget(vortex, index, gain);
}
static int vortex_Eqlzr_GetRightGain(vortex_t * vortex, u16 index, u16 * gain)
{
eqlzr_t *eq = &(vortex->eq);
if (eq->this28) {
*gain = eq->this130[index + eq->this10];
return 0;
}
return 1;
}
static void vortex_Eqlzr_SetRightGain(vortex_t * vortex, u16 index, u16 gain)
{
eqlzr_t *eq = &(vortex->eq);
if (eq->this28 == 0)
return;
eq->this130[index + eq->this10] = gain;
if (eq->this54)
return;
vortex_EqHw_SetRightGainsSingleTarget(vortex, index, gain);
}
#if 0
static int
vortex_Eqlzr_GetAllBands(vortex_t * vortex, u16 * gains, s32 *cnt)
{
eqlzr_t *eq = &(vortex->eq);
int si = 0;
if (eq->this10 == 0)
return 1;
{
if (vortex_Eqlzr_GetLeftGain(vortex, si, &gains[si]))
return 1;
if (vortex_Eqlzr_GetRightGain
(vortex, si, &gains[si + eq->this10]))
return 1;
si++;
}
while (eq->this10 > si) ;
*cnt = si * 2;
return 0;
}
#endif
static int vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex_t * vortex)
{
eqlzr_t *eq = &(vortex->eq);
vortex_EqHw_SetLeftGainsTarget(vortex, eq->this130);
vortex_EqHw_SetRightGainsTarget(vortex, &(eq->this130[eq->this10]));
return 0;
}
static int
vortex_Eqlzr_SetAllBands(vortex_t * vortex, u16 gains[], s32 count)
{
eqlzr_t *eq = &(vortex->eq);
int i;
if (((eq->this10) * 2 != count) || (eq->this28 == 0))
return 1;
for (i = 0; i < count; i++) {
eq->this130[i] = gains[i];
}
if (eq->this54)
return 0;
return vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex);
}
static void
vortex_Eqlzr_SetA3dBypassGain(vortex_t * vortex, u32 a, u32 b)
{
eqlzr_t *eq = &(vortex->eq);
u32 eax, ebx;
eq->this58 = a;
eq->this5c = b;
if (eq->this54)
eax = eq->this0e;
else
eax = eq->this0a;
ebx = (eax * eq->this58) >> 0x10;
eax = (eax * eq->this5c) >> 0x10;
vortex_EqHw_SetA3DBypassGain(vortex, ebx, eax);
}
static void vortex_Eqlzr_ProgramA3dBypassGain(vortex_t * vortex)
{
eqlzr_t *eq = &(vortex->eq);
u32 eax, ebx;
if (eq->this54)
eax = eq->this0e;
else
eax = eq->this0a;
ebx = (eax * eq->this58) >> 0x10;
eax = (eax * eq->this5c) >> 0x10;
vortex_EqHw_SetA3DBypassGain(vortex, ebx, eax);
}
static void vortex_Eqlzr_ShutDownA3d(vortex_t * vortex)
{
if (vortex != NULL)
vortex_EqHw_ZeroA3DIO(vortex);
}
static void vortex_Eqlzr_SetBypass(vortex_t * vortex, u32 bp)
{
eqlzr_t *eq = &(vortex->eq);
if ((eq->this28) && (bp == 0)) {
/* EQ enabled */
vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex);
vortex_EqHw_SetBypassGain(vortex, eq->this08, eq->this08);
} else {
/* EQ disabled. */
vortex_EqHw_SetLeftGainsTarget(vortex, eq->this14_array);
vortex_EqHw_SetRightGainsTarget(vortex, eq->this14_array);
vortex_EqHw_SetBypassGain(vortex, eq->this0c, eq->this0c);
}
vortex_Eqlzr_ProgramA3dBypassGain(vortex);
}
static void vortex_Eqlzr_ReadAndSetActiveCoefSet(vortex_t * vortex)
{
eqlzr_t *eq = &(vortex->eq);
/* Set EQ BiQuad filter coeficients */
memcpy(&(eq->coefset), &asEqCoefsNormal, sizeof(auxxEqCoeffSet_t));
/* Set EQ Band gain levels and dump into hardware registers. */
vortex_Eqlzr_SetAllBands(vortex, eq_gains_normal, eq->this10 * 2);
}
static int vortex_Eqlzr_GetAllPeaks(vortex_t * vortex, u16 * peaks, int *count)
{
eqlzr_t *eq = &(vortex->eq);
if (eq->this10 == 0)
return 1;
*count = eq->this10 * 2;
vortex_EqHw_GetTenBandLevels(vortex, peaks);
return 0;
}
#if 0
static auxxEqCoeffSet_t *vortex_Eqlzr_GetActiveCoefSet(vortex_t * vortex)
{
eqlzr_t *eq = &(vortex->eq);
return (&(eq->coefset));
}
#endif
static void vortex_Eqlzr_init(vortex_t * vortex)
{
eqlzr_t *eq = &(vortex->eq);
/* Object constructor */
//eq->this04 = 0;
eq->this08 = 0; /* Bypass gain with EQ in use. */
eq->this0a = 0x5999;
eq->this0c = 0x5999; /* Bypass gain with EQ disabled. */
eq->this0e = 0x5999;
eq->this10 = 0xa; /* 10 eq frequency bands. */
eq->this04.this04 = eq->this10;
eq->this28 = 0x1; /* if 1 => Allow read access to this130 (gains) */
eq->this54 = 0x0; /* if 1 => Dont Allow access to hardware (gains) */
eq->this58 = 0xffff;
eq->this5c = 0xffff;
/* Set gains. */
memset(eq->this14_array, 0, sizeof(eq->this14_array));
/* Actual init. */
vortex_EqHw_ZeroState(vortex);
vortex_EqHw_SetSampleRate(vortex, 0x11);
vortex_Eqlzr_ReadAndSetActiveCoefSet(vortex);
vortex_EqHw_Program10Band(vortex, &(eq->coefset));
vortex_Eqlzr_SetBypass(vortex, eq->this54);
vortex_Eqlzr_SetA3dBypassGain(vortex, 0, 0);
vortex_EqHw_Enable(vortex);
}
static void vortex_Eqlzr_shutdown(vortex_t * vortex)
{
vortex_Eqlzr_ShutDownA3d(vortex);
vortex_EqHw_ProgramPipe(vortex);
vortex_EqHw_Disable(vortex);
}
/* ALSA interface */
/* Control interface */
#define snd_vortex_eqtoggle_info snd_ctl_boolean_mono_info
static int
snd_vortex_eqtoggle_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
vortex_t *vortex = snd_kcontrol_chip(kcontrol);
eqlzr_t *eq = &(vortex->eq);
//int i = kcontrol->private_value;
ucontrol->value.integer.value[0] = eq->this54 ? 0 : 1;
return 0;
}
static int
snd_vortex_eqtoggle_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
vortex_t *vortex = snd_kcontrol_chip(kcontrol);
eqlzr_t *eq = &(vortex->eq);
//int i = kcontrol->private_value;
eq->this54 = ucontrol->value.integer.value[0] ? 0 : 1;
vortex_Eqlzr_SetBypass(vortex, eq->this54);
return 1; /* Allways changes */
}
static struct snd_kcontrol_new vortex_eqtoggle_kcontrol __devinitdata = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "EQ Enable",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.private_value = 0,
.info = snd_vortex_eqtoggle_info,
.get = snd_vortex_eqtoggle_get,
.put = snd_vortex_eqtoggle_put
};
static int
snd_vortex_eq_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0x0000;
uinfo->value.integer.max = 0x7fff;
return 0;
}
static int
snd_vortex_eq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
vortex_t *vortex = snd_kcontrol_chip(kcontrol);
int i = kcontrol->private_value;
u16 gainL = 0, gainR = 0;
vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
ucontrol->value.integer.value[0] = gainL;
ucontrol->value.integer.value[1] = gainR;
return 0;
}
static int
snd_vortex_eq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
vortex_t *vortex = snd_kcontrol_chip(kcontrol);
int changed = 0, i = kcontrol->private_value;
u16 gainL = 0, gainR = 0;
vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
if (gainL != ucontrol->value.integer.value[0]) {
vortex_Eqlzr_SetLeftGain(vortex, i,
ucontrol->value.integer.value[0]);
changed = 1;
}
if (gainR != ucontrol->value.integer.value[1]) {
vortex_Eqlzr_SetRightGain(vortex, i,
ucontrol->value.integer.value[1]);
changed = 1;
}
return changed;
}
static struct snd_kcontrol_new vortex_eq_kcontrol __devinitdata = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = " .",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.private_value = 0,
.info = snd_vortex_eq_info,
.get = snd_vortex_eq_get,
.put = snd_vortex_eq_put
};
static int
snd_vortex_peaks_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 20;
uinfo->value.integer.min = 0x0000;
uinfo->value.integer.max = 0x7fff;
return 0;
}
static int
snd_vortex_peaks_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
vortex_t *vortex = snd_kcontrol_chip(kcontrol);
int i, count = 0;
u16 peaks[20];
vortex_Eqlzr_GetAllPeaks(vortex, peaks, &count);
if (count != 20) {
printk(KERN_ERR "vortex: peak count error 20 != %d \n", count);
return -1;
}
for (i = 0; i < 20; i++)
ucontrol->value.integer.value[i] = peaks[i];
return 0;
}
static struct snd_kcontrol_new vortex_levels_kcontrol __devinitdata = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "EQ Peaks",
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_vortex_peaks_info,
.get = snd_vortex_peaks_get,
};
/* EQ band gain labels. */
static char *EqBandLabels[10] __devinitdata = {
"EQ0 31Hz\0",
"EQ1 63Hz\0",
"EQ2 125Hz\0",
"EQ3 250Hz\0",
"EQ4 500Hz\0",
"EQ5 1KHz\0",
"EQ6 2KHz\0",
"EQ7 4KHz\0",
"EQ8 8KHz\0",
"EQ9 16KHz\0",
};
/* ALSA driver entry points. Init and exit. */
static int __devinit vortex_eq_init(vortex_t * vortex)
{
struct snd_kcontrol *kcontrol;
int err, i;
vortex_Eqlzr_init(vortex);
if ((kcontrol =
snd_ctl_new1(&vortex_eqtoggle_kcontrol, vortex)) == NULL)
return -ENOMEM;
kcontrol->private_value = 0;
if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
return err;
/* EQ gain controls */
for (i = 0; i < 10; i++) {
if ((kcontrol =
snd_ctl_new1(&vortex_eq_kcontrol, vortex)) == NULL)
return -ENOMEM;
snprintf(kcontrol->id.name, sizeof(kcontrol->id.name),
"%s Playback Volume", EqBandLabels[i]);
kcontrol->private_value = i;
if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
return err;
//vortex->eqctrl[i] = kcontrol;
}
/* EQ band levels */
if ((kcontrol = snd_ctl_new1(&vortex_levels_kcontrol, vortex)) == NULL)
return -ENOMEM;
if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
return err;
return 0;
}
static int vortex_eq_free(vortex_t * vortex)
{
/*
//FIXME: segfault because vortex->eqctrl[i] == 4
int i;
for (i=0; i<10; i++) {
if (vortex->eqctrl[i])
snd_ctl_remove(vortex->card, vortex->eqctrl[i]);
}
*/
vortex_Eqlzr_shutdown(vortex);
return 0;
}
/* End */