/*************************************************************************** * 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 :) * * TODO: * - Debug (testing) * - Implement peak visualization support. * ****************************************************************************/ #include "au88x0.h" #include "au88x0_eq.h" #include "au88x0_eqdata.c" /* CEqHw.s */ void vortex_EqHw_SetTimeConsts(vortex_t *vortex, u16 a, u16 b) { hwwrite(vortex->mmio, 0x2b3c4, a); hwwrite(vortex->mmio, 0x2b3c8, b); } void vortex_EqHw_GetTimeConsts(vortex_t *vortex, u16 *a, u16 *b) { *a = hwread(vortex->mmio, 0x2b3c4); *b = hwread(vortex->mmio, 0x2b3c8); } void vortex_EqHw_SetLeftCoefs(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int eax, i = 0, n /*esp2c*/ = 0; if (eqhw->this04 <= n) return; do { hwwrite(vortex->mmio, 0x2b000 + n*0x30, a[i+0]); hwwrite(vortex->mmio, 0x2b004 + n*0x30, a[i+1]); if (eqhw->this08 == 0) { hwwrite(vortex->mmio, 0x2b008 + n*0x30, a[i+2]); hwwrite(vortex->mmio, 0x2b00c + n*0x30, a[i+3]); eax = a[i+4]; //esp24; } else { if (a[2+i] == 0x8000) eax = 0x7fff; else eax = ~a[2+i]; hwwrite(vortex->mmio, 0x2b008 + n*0x30, eax & 0xffff); if (a[3+i] == 0x8000) eax = 0x7fff; else eax = ~a[3+i]; hwwrite(vortex->mmio, 0x2b00c + n*0x30, eax & 0xffff); if (a[4+i] == 0x8000) eax = 0x7fff; else eax = ~a[4+i]; } hwwrite(vortex->mmio, 0x2b010 + n*0x30, eax); n++; i += 5; } while(n < eqhw->this04); } void vortex_EqHw_GetLeftCoefs(vortex_t *vortex, u16 a[]) { } void vortex_EqHw_SetRightCoefs(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int i = 0, n /*esp2c*/ = 0, eax; if (eqhw->this04 <= n) return; do { hwwrite(vortex->mmio, 0x2b1e0 + n*0x30, a[0+i]); hwwrite(vortex->mmio, 0x2b1e4 + n*0x30, a[1+i]); if (eqhw->this08 == 0) { hwwrite(vortex->mmio, 0x2b1e8 + n*0x30, a[2+i]); hwwrite(vortex->mmio, 0x2b1ec + n*0x30, a[3+i]); eax = a[4+i]; //*esp24; } else { if (a[2+i] == 0x8000) eax = 0x7fff; else eax = ~(a[2+i]); hwwrite(vortex->mmio, 0x2b1e8 + n*0x30, eax & 0xffff); if (a[3+i] == 0x8000) eax = 0x7fff; else eax = ~a[3+i]; hwwrite(vortex->mmio, 0x2b1ec + n*0x30, eax & 0xffff); if (a[4+i] == 0x8000) eax = 0x7fff; else eax = ~a[4+i]; } hwwrite(vortex->mmio, 0x2b1f0 + n*0x30, eax); i += 5; n++; } while (n < eqhw->this04); } void vortex_EqHw_GetRightCoefs(vortex_t *vortex, u16 a[]) { } void vortex_EqHw_SetLeftStates(vortex_t *vortex, u16 a[], u16 b[]) { eqhw_t *eqhw = &(vortex->eq.this04); int i = 0, ebx = 0; hwwrite(vortex->mmio, 0x2b3fc, a[0]); hwwrite(vortex->mmio, 0x2b400, a[1]); if (eqhw->this04 < 0) return; do { 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; ebx++; } while (eqhw->this04 > ebx); } void vortex_EqHw_GetLeftStates(vortex_t *vortex, u16 *a, u16 b[]) { } void vortex_EqHw_SetRightStates(vortex_t *vortex, u16 a[], u16 b[]) { eqhw_t *eqhw = &(vortex->eq.this04); int i = 0, ebx = 0; hwwrite(vortex->mmio, 0x2b404, a[0]); hwwrite(vortex->mmio, 0x2b408, a[1]); if (eqhw->this04 < 0) return; do { 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; ebx++; } while (ebx < eqhw->this04); } void vortex_EqHw_GetRightStates(vortex_t *vortex, u16 *a, u16 b[]) { } void vortex_EqHw_SetBypassGain(vortex_t *vortex, u16 a, u16 b) { eqhw_t *eqhw = &(vortex->eq.this04); int eax; if (eqhw->this08 == 0) { hwwrite(vortex->mmio, 0x2b3d4, a); hwwrite(vortex->mmio, 0x2b3ec, b); } else { if (a == 0x8000) eax = 0x7fff; else eax = ~a; hwwrite(vortex->mmio, 0x2b3d4, eax & 0xffff); if (b == 0x8000) eax = 0x7fff; else eax = ~b; hwwrite(vortex->mmio, 0x2b3ec, eax & 0xffff); } } void vortex_EqHw_SetA3DBypassGain(vortex_t *vortex, u16 a, u16 b) { hwwrite(vortex->mmio, 0x2b3e0, a); hwwrite(vortex->mmio, 0x2b3f8, b); } void vortex_EqHw_SetCurrBypassGain(vortex_t *vortex, u16 a, u16 b) { hwwrite(vortex->mmio, 0x2b3d0, a); hwwrite(vortex->mmio, 0x2b3e8, b); } void vortex_EqHw_SetCurrA3DBypassGain(vortex_t *vortex, u16 a, u16 b) { hwwrite(vortex->mmio, 0x2b3dc, a); hwwrite(vortex->mmio, 0x2b3f4, b); } void vortex_EqHw_SetLeftGainsSingleTarget(vortex_t *vortex, u16 index, u16 b) { hwwrite(vortex->mmio, 0x2b02c + (index*0x30), b); } void vortex_EqHw_SetRightGainsSingleTarget(vortex_t *vortex, u16 index, u16 b) { hwwrite(vortex->mmio, 0x2b20c + (index*0x30), b); } void vortex_EqHw_SetLeftGainsTarget(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int ebx=0; if (eqhw->this04 < 0) return; do { hwwrite(vortex->mmio, 0x2b02c + ebx*0x30, a[ebx]); ebx++; } while (ebx < eqhw->this04); } void vortex_EqHw_SetRightGainsTarget(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int ebx=0; if (eqhw->this04 < 0) return; do { hwwrite(vortex->mmio, 0x2b20c + ebx*0x30, a[ebx]); ebx++; } while (ebx < eqhw->this04); } 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); } 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); } void vortex_EqHw_SetLeftGainsCurrent(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int ebx=0; if (eqhw->this04 < 0) return; do { hwwrite(vortex->mmio, 0x2b028 + ebx*0x30, a[ebx]); ebx++; } while (ebx < eqhw->this04); } void vortex_EqHw_SetRightGainsCurrent(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int ebx=0; if (eqhw->this04 < 0) return; do { hwwrite(vortex->mmio, 0x2b208 + ebx*0x30, a[ebx]); ebx++; } while (ebx < eqhw->this04); } 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); } 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); } void vortex_EqHw_SetLevels(vortex_t *vortex, u16 a[]) { eqhw_t *eqhw = &(vortex->eq.this04); int ebx; if (eqhw->this04 < 0) return; ebx = 0; do { hwwrite(vortex->mmio, 0x2b024 + ebx*0x30, a[ebx]); ebx++; } while (ebx < eqhw->this04); hwwrite(vortex->mmio, 0x2b3cc, a[eqhw->this04]); hwwrite(vortex->mmio, 0x2b3d8, a[eqhw->this04+1]); ebx = 0; do { hwwrite(vortex->mmio, 0x2b204 + ebx*0x30, a[ebx + (eqhw->this04+2)]); ebx++; } while (ebx < eqhw->this04); hwwrite(vortex->mmio, 0x2b3e4, a[2+(eqhw->this04*2)]); hwwrite(vortex->mmio, 0x2b3f0, a[3+(eqhw->this04*2)]); } 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); } void vortex_EqHw_SetControlReg(vortex_t *vortex, unsigned long reg) { hwwrite(vortex->mmio, 0x2b440, reg); } void vortex_EqHw_GetControlReg(vortex_t *vortex, unsigned long *reg) { *reg = hwread(vortex->mmio, 0x2b440); } void vortex_EqHw_SetSampleRate(vortex_t *vortex, int sr) { hwwrite(vortex->mmio, 0x2b440, ((sr & 0x1f) << 3) | 0xb800); } void vortex_EqHw_GetSampleRate(vortex_t *vortex, int *sr) { *sr = (hwread(vortex->mmio, 0x2b440) >> 3) & 0x1f; } void vortex_EqHw_Enable(vortex_t *vortex) { hwwrite(vortex->mmio, 0x2b440, 0xf001); } void vortex_EqHw_Disable(vortex_t *vortex) { hwwrite(vortex->mmio, 0x2b440, 0xf000); } void vortex_EqHw_ZeroIO(vortex_t *vortex) { int i; for (i=0; i<0x8; i++) hwwrite(vortex->mmio, 0x2b410 + (i<<2), 0x0); for (i=0; i<0x4; i++) hwwrite(vortex->mmio, 0x2b430 + (i<<2), 0x0); } void vortex_EqHw_ZeroA3DIO(vortex_t *vortex) { int i; for (i=0; i<0x4; i++) hwwrite(vortex->mmio, 0x2b410 + (i<<2), 0x0); } 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_SetA3DBypassGain(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); } 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); } 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); } /* CEqlzr.s */ 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; } 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); } 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; } 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); } int vortex_Eqlzr_GetAllBands(vortex_t *vortex, u16 *gains, unsigned long *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; } 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; } int vortex_Eqlzr_SetAllBands(vortex_t *vortex, u16 gains[], unsigned long count) { eqlzr_t *eq = &(vortex->eq); int i; if (((eq->this10)*2 != count) || (eq->this28 == 0)) return 1; if (0 < count) { for (i=0; ithis130[i] = gains[i]; } } if (eq->this54) return 0; return vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex); } void vortex_Eqlzr_ProgramA3dBypassGain(vortex_t *vortex) { eqlzr_t *eq = &(vortex->eq); int 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); } void vortex_Eqlzr_SetBypass(vortex_t *vortex, long bp) { eqlzr_t *eq = &(vortex->eq); if ((eq->this28) && (bp == 0)) { vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex); vortex_EqHw_SetBypassGain(vortex, eq->this08, eq->this08); } else { vortex_EqHw_SetLeftGainsTarget(vortex, (u16*)(eq->this14)); vortex_EqHw_SetRightGainsTarget(vortex, (u16*)(eq->this14)); vortex_EqHw_SetBypassGain(vortex, eq->this0c, eq->this0c); } // FIXME: no yet implemented. vortex_Eqlzr_ProgramA3dBypassGain(vortex); } 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); } #if 0 void vortex_Eqlzr_vortex_SetA3dBypassVolume() void vortex_Eqlzr_ShutDownA3d() int vortex_Eqlzr_GetAllPeaks(vortex_t *vortex, u16 *levels, unsigned long *count) { eqlzr_t *eq = &(vortex->eq); if (eq->this10 == 0) return 1; *count = eq->this10 * 2; vortex_EqHw_GetTenBandLevels(vortex, levels); } #endif auxxEqCoeffSet_t *vortex_Eqlzr_GetActiveCoefSet(vortex_t *vortex) { eqlzr_t *eq = &(vortex->eq); return (&(eq->coefset)); } 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, 0, 2*10); /* 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_EqHw_Enable(vortex); } /* ALSA interface */ /* Control interface */ static int snd_vortex_eq_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { vortex_t *vortex = snd_kcontrol_chip(kcontrol); int i = kcontrol->private_value; u16 gainL, gainR; 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { vortex_t *vortex = snd_kcontrol_chip(kcontrol); int changed = 0, i = kcontrol->private_value; u16 gainL, gainR; 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 int snd_vortex_eqtoggle_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int snd_vortex_eqtoggle_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 }; /* 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. */ int vortex_eq_init(vortex_t *vortex) { snd_kcontrol_t *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; strcpy(kcontrol->id.name, EqBandLabels[i]); kcontrol->private_value = i; if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0) return err; vortex->eqctrl[i] = kcontrol; } return 0; } 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]); } */ return 0; } /* End */