diff options
Diffstat (limited to 'sound/pci/au88x0/au88x0_eq.c')
| -rw-r--r-- | sound/pci/au88x0/au88x0_eq.c | 918 |
1 files changed, 918 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0_eq.c b/sound/pci/au88x0/au88x0_eq.c new file mode 100644 index 000000000..58e92f2a7 --- /dev/null +++ b/sound/pci/au88x0/au88x0_eq.c @@ -0,0 +1,918 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/*************************************************************************** + * 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. + * + ****************************************************************************/ + +/* + */ + +/* + 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, const 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, const 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, const u16 a[], const 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, const u16 a[], const 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, const 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, const 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, const 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, const 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, const 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, const 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 const struct snd_kcontrol_new vortex_eqtoggle_kcontrol = { + .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 const struct snd_kcontrol_new vortex_eq_kcontrol = { + .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) { + dev_err(vortex->card->dev, + "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 const struct snd_kcontrol_new vortex_levels_kcontrol = { + .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 const char * const EqBandLabels[10] = { + "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 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 */ |