/** @file * * VBox ICH AC97 Audio Controller */ /* * Copyright (C) 2006 InnoTek Systemberatung GmbH * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file 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, * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE * distribution. VirtualBox OSE is distributed in the hope that it will * be useful, but WITHOUT ANY WARRANTY of any kind. * * If you received this file as part of a commercial VirtualBox * distribution, then only the terms of your commercial VirtualBox * license agreement apply instead of the previous paragraph. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_DEV_AUDIO #include #include #include #include #include #include #include #include "Builtins.h" extern "C" { #include "audio.h" } #undef LOG_VOICES #define AC97_SSM_VERSION 1 enum { AC97_Reset = 0x00, AC97_Master_Volume_Mute = 0x02, AC97_Headphone_Volume_Mute = 0x04, AC97_Master_Volume_Mono_Mute = 0x06, AC97_Master_Tone_RL = 0x08, AC97_PC_BEEP_Volume_Mute = 0x0A, AC97_Phone_Volume_Mute = 0x0C, AC97_Mic_Volume_Mute = 0x0E, AC97_Line_In_Volume_Mute = 0x10, AC97_CD_Volume_Mute = 0x12, AC97_Video_Volume_Mute = 0x14, AC97_Aux_Volume_Mute = 0x16, AC97_PCM_Out_Volume_Mute = 0x18, AC97_Record_Select = 0x1A, AC97_Record_Gain_Mute = 0x1C, AC97_Record_Gain_Mic_Mute = 0x1E, AC97_General_Purpose = 0x20, AC97_3D_Control = 0x22, AC97_AC_97_RESERVED = 0x24, AC97_Powerdown_Ctrl_Stat = 0x26, AC97_Extended_Audio_ID = 0x28, AC97_Extended_Audio_Ctrl_Stat = 0x2A, AC97_PCM_Front_DAC_Rate = 0x2C, AC97_PCM_Surround_DAC_Rate = 0x2E, AC97_PCM_LFE_DAC_Rate = 0x30, AC97_PCM_LR_ADC_Rate = 0x32, AC97_MIC_ADC_Rate = 0x34, AC97_6Ch_Vol_C_LFE_Mute = 0x36, AC97_6Ch_Vol_L_R_Surround_Mute = 0x38, AC97_Vendor_Reserved = 0x58, AC97_Vendor_ID1 = 0x7c, AC97_Vendor_ID2 = 0x7e }; #define SOFT_VOLUME #define SR_FIFOE BIT(4) /* rwc, fifo error */ #define SR_BCIS BIT(3) /* rwc, buffer completion interrupt status */ #define SR_LVBCI BIT(2) /* rwc, last valid buffer completion interrupt */ #define SR_CELV BIT(1) /* ro, current equals last valid */ #define SR_DCH BIT(0) /* ro, controller halted */ #define SR_VALID_MASK (BIT(5) - 1) #define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI) #define SR_RO_MASK (SR_DCH | SR_CELV) #define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI) #define CR_IOCE BIT(4) /* rw */ #define CR_FEIE BIT(3) /* rw */ #define CR_LVBIE BIT(2) /* rw */ #define CR_RR BIT(1) /* rw */ #define CR_RPBM BIT(0) /* rw */ #define CR_VALID_MASK (BIT(5) - 1) #define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE) #define GC_WR 4 /* rw */ #define GC_CR 2 /* rw */ #define GC_VALID_MASK (BIT(6) - 1) #define GS_MD3 BIT(17) /* rw */ #define GS_AD3 BIT(16) /* rw */ #define GS_RCS BIT(15) /* rwc */ #define GS_B3S12 BIT(14) /* ro */ #define GS_B2S12 BIT(13) /* ro */ #define GS_B1S12 BIT(12) /* ro */ #define GS_S1R1 BIT(11) /* rwc */ #define GS_S0R1 BIT(10) /* rwc */ #define GS_S1CR BIT(9) /* ro */ #define GS_S0CR BIT(8) /* ro */ #define GS_MINT BIT(7) /* ro */ #define GS_POINT BIT(6) /* ro */ #define GS_PIINT BIT(5) /* ro */ #define GS_RSRVD (BIT(4)|BIT(3)) #define GS_MOINT BIT(2) /* ro */ #define GS_MIINT BIT(1) /* ro */ #define GS_GSCI BIT(0) /* rwc */ #define GS_RO_MASK (GS_B3S12| \ GS_B2S12| \ GS_B1S12| \ GS_S1CR| \ GS_S0CR| \ GS_MINT| \ GS_POINT| \ GS_PIINT| \ GS_RSRVD| \ GS_MOINT| \ GS_MIINT) #define GS_VALID_MASK (BIT(18) - 1) #define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI) /** Buffer Descriptor */ #define BD_IOC BIT(31) /* Interrupt on Completion */ #define BD_BUP BIT(30) /* Buffer Underrun Policy */ #define EACS_VRA 1 #define EACS_VRM 8 #define VOL_MASK 0x1f #define MUTE_SHIFT 15 #define REC_MASK 7 enum { REC_MIC = 0, REC_CD, REC_VIDEO, REC_AUX, REC_LINE_IN, REC_STEREO_MIX, REC_MONO_MIX, REC_PHONE }; typedef struct BD { uint32_t addr; uint32_t ctl_len; } BD; typedef struct AC97BusMasterRegs { uint32_t bdbar; /* rw 0, buffer descriptor list base address register */ uint8_t civ; /* ro 0, current index value */ uint8_t lvi; /* rw 0, last valid index */ uint16_t sr; /* rw 1, status register */ uint16_t picb; /* ro 0, position in current buffer */ uint8_t piv; /* ro 0, prefetched index value */ uint8_t cr; /* rw 0, control register */ int bd_valid; /* initialized? */ BD bd; } AC97BusMasterRegs; typedef struct AC97LinkState { QEMUSoundCard card; /** Global Control (Bus Master Control Register) */ uint32_t glob_cnt; /** Global Status (Bus Master Control Register) */ uint32_t glob_sta; /** Codec Access Semaphore Register (Bus Master Control Register) */ uint32_t cas; uint32_t last_samp; /** Bus Master Control Registers for PCM in, PCM out, and Mic in */ AC97BusMasterRegs bm_regs[3]; uint8_t mixer_data[256]; /** PCM in */ SWVoiceIn *voice_pi; /** PCM out */ SWVoiceOut *voice_po; /** Mic in */ SWVoiceIn *voice_mc; uint8_t silence[128]; int bup_flag; /** Pointer to the device instance. */ PPDMDEVINS pDevIns; /** Pointer to the connector of the attached audio driver. */ PPDMIAUDIOCONNECTOR pDrv; /** Pointer to the attached audio driver. */ PPDMIBASE pDrvBase; /** The base interface. */ PDMIBASE IBase; /** Base port of the I/O space region. */ RTIOPORT IOPortBase[2]; } AC97LinkState; #define ICHAC97STATE_2_DEVINS(pAC97) ((pAC97)->pDevIns) #define PCIDEV_2_ICHAC97STATE(pPciDev) ((PCIAC97LinkState *)(pPciDev)) enum { BUP_SET = BIT(0), BUP_LAST = BIT(1) }; typedef struct PCIAC97LinkState { PCIDevice dev; AC97LinkState ac97; } PCIAC97LinkState; #define MKREGS(prefix, start) \ enum { \ prefix ## _BDBAR = start, \ prefix ## _CIV = start + 4, \ prefix ## _LVI = start + 5, \ prefix ## _SR = start + 6, \ prefix ## _PICB = start + 8, \ prefix ## _PIV = start + 10, \ prefix ## _CR = start + 11 \ } enum { PI_INDEX = 0, /* PCM in */ PO_INDEX, /* PCM out */ MC_INDEX, /* Mic in */ LAST_INDEX }; MKREGS (PI, PI_INDEX * 16); MKREGS (PO, PO_INDEX * 16); MKREGS (MC, MC_INDEX * 16); enum { GLOB_CNT = 0x2c, GLOB_STA = 0x30, CAS = 0x34 }; #define GET_BM(index) (((index) >> 4) & 3) static void po_callback (void *opaque, int free); static void pi_callback (void *opaque, int avail); static void mc_callback (void *opaque, int avail); static void warm_reset (AC97LinkState *s) { (void) s; } static void cold_reset (AC97LinkState * s) { (void) s; } /** Fetch Buffer Descriptor at _CIV */ static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r) { PPDMDEVINS pDevIns = ICHAC97STATE_2_DEVINS(s); uint8_t b[8]; PDMDevHlpPhysRead (pDevIns, r->bdbar + r->civ * 8, b, sizeof(b)); r->bd_valid = 1; #if !defined(__X86__) && !defined(__AMD64__) #error Please adapt the code (audio buffers are little endian)! #else r->bd.addr = (*(uint32_t *) &b[0]) & ~3; r->bd.ctl_len = (*(uint32_t *) &b[4]); #endif r->picb = r->bd.ctl_len & 0xffff; Log (("ac97: bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n", r->civ, r->bd.addr, r->bd.ctl_len >> 16, r->bd.ctl_len & 0xffff, (r->bd.ctl_len & 0xffff) << 1)); } /** * Update the BM status register */ static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr) { PPDMDEVINS pDevIns = ICHAC97STATE_2_DEVINS(s); int event = 0; int level = 0; uint32_t new_mask = new_sr & SR_INT_MASK; uint32_t old_mask = r->sr & SR_INT_MASK; uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT}; if (new_mask ^ old_mask) { /** @todo is IRQ deasserted when only one of status bits is cleared? */ if (!new_mask) { event = 1; level = 0; } else if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) { event = 1; level = 1; } else if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) { event = 1; level = 1; } } r->sr = new_sr; Log (("ac97: IOC%d LVB%d sr=%#x event=%d level=%d\n", r->sr & SR_BCIS, r->sr & SR_LVBCI, r->sr, event, level)); if (event) { s->glob_sta |= masks[r - s->bm_regs]; Log (("ac97: set irq level=%d\n", !!level)); PDMDevHlpPCISetIrq (pDevIns, 0, !!level); } } static void voice_set_active (AC97LinkState *s, int bm_index, int on) { switch (bm_index) { case PI_INDEX: AUD_set_active_in (s->voice_pi, on); break; case PO_INDEX: AUD_set_active_out(s->voice_po, on); break; case MC_INDEX: AUD_set_active_in (s->voice_mc, on); break; default: AssertFailed (); break; } } static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r) { Log (("ac97: reset_bm_regs\n")); r->bdbar = 0; r->civ = 0; r->lvi = 0; /** @todo do we need to do that? */ update_sr (s, r, SR_DCH); r->picb = 0; r->piv = 0; r->cr = r->cr & CR_DONT_CLEAR_MASK; r->bd_valid = 0; voice_set_active (s, r - s->bm_regs, 0); memset (s->silence, 0, sizeof (s->silence)); } static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v) { if (i + 2 > sizeof (s->mixer_data)) { Log (("ac97: mixer_store: index %d out of bounds %d\n", i, sizeof (s->mixer_data))); return; } s->mixer_data[i + 0] = v & 0xff; s->mixer_data[i + 1] = v >> 8; } static uint16_t mixer_load (AC97LinkState *s, uint32_t i) { uint16_t val; if (i + 2 > sizeof (s->mixer_data)) { Log (("ac97: mixer_store: index %d out of bounds %d\n", i, sizeof (s->mixer_data))); val = 0xffff; } else val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8); return val; } static void open_voice (AC97LinkState *s, int index, int freq) { audsettings_t as; if (freq) { as.freq = freq; as.nchannels = 2; as.fmt = AUD_FMT_S16; as.endianness = 0; switch (index) { case PI_INDEX: /* PCM in */ s->voice_pi = AUD_open_in (&s->card, s->voice_pi, "ac97.pi", s, pi_callback, &as); #ifdef LOG_VOICES LogRel(("AC97: open PI freq=%d (%s)\n", freq, s->voice_pi ? "ok" : "FAIL")); #endif break; case PO_INDEX: /* PCM out */ s->voice_po = AUD_open_out (&s->card, s->voice_po, "ac97.po", s, po_callback, &as); #ifdef LOG_VOICES LogRel(("AC97: open PO freq=%d (%s)\n", freq, s->voice_po ? "ok" : "FAIL")); #endif break; case MC_INDEX: /* Mic in */ s->voice_mc = AUD_open_in (&s->card, s->voice_mc, "ac97.mc", s, mc_callback, &as); #ifdef LOG_VOICES LogRel(("AC97: open MC freq=%d (%s)\n", freq, s->voice_mc ? "ok" : "FAIL")); #endif break; } } else { switch (index) { case PI_INDEX: AUD_close_in (&s->card, s->voice_pi); #ifdef LOG_VOICES LogRel(("AC97: Closing PCM IN\n")); #endif s->voice_pi = NULL; break; case PO_INDEX: AUD_close_out (&s->card, s->voice_po); #ifdef LOG_VOICES LogRel(("AC97: Closing PCM OUT\n")); #endif s->voice_po = NULL; break; case MC_INDEX: AUD_close_in (&s->card, s->voice_mc); #ifdef LOG_VOICES LogRel(("AC97: Closing MIC IN\n")); #endif s->voice_mc = NULL; break; } } } static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX]) { uint16_t freq; freq = mixer_load (s, AC97_PCM_LR_ADC_Rate); open_voice (s, PI_INDEX, freq); AUD_set_active_in (s->voice_pi, active[PI_INDEX]); freq = mixer_load (s, AC97_PCM_Front_DAC_Rate); open_voice (s, PO_INDEX, freq); AUD_set_active_out (s->voice_po, active[PO_INDEX]); freq = mixer_load (s, AC97_MIC_ADC_Rate); open_voice (s, MC_INDEX, freq); AUD_set_active_in (s->voice_mc, active[MC_INDEX]); } #ifdef USE_MIXER static void set_volume (AC97LinkState *s, int index, audmixerctl_t mt, uint32_t val) { int mute = (val >> MUTE_SHIFT) & 1; uint8_t rvol = VOL_MASK - (val & VOL_MASK); uint8_t lvol = VOL_MASK - ((val >> 8) & VOL_MASK); rvol = 255 * rvol / VOL_MASK; lvol = 255 * lvol / VOL_MASK; #ifdef SOFT_VOLUME if (index == AC97_Master_Volume_Mute) AUD_set_volume_out (s->voice_po, mute, lvol, rvol); else AUD_set_volume (mt, &mute, &lvol, &rvol); #else AUD_set_volume (mt, &mute, &lvol, &rvol); #endif rvol = VOL_MASK - ((VOL_MASK * rvol) / 255); lvol = VOL_MASK - ((VOL_MASK * lvol) / 255); mixer_store (s, index, val); } static audrecsource_t ac97_to_aud_record_source (uint8_t i) { switch (i) { case REC_MIC: return AUD_REC_MIC; case REC_CD: return AUD_REC_CD; case REC_VIDEO: return AUD_REC_VIDEO; case REC_AUX: return AUD_REC_AUX; case REC_LINE_IN: return AUD_REC_LINE_IN; case REC_PHONE: return AUD_REC_PHONE; default: Log (("ac97: Unknown record source %d, using MIC\n", i)); return AUD_REC_MIC; } } static uint8_t aud_to_ac97_record_source (audrecsource_t rs) { switch (rs) { case AUD_REC_MIC: return REC_MIC; case AUD_REC_CD: return REC_CD; case AUD_REC_VIDEO: return REC_VIDEO; case AUD_REC_AUX: return REC_AUX; case AUD_REC_LINE_IN: return REC_LINE_IN; case AUD_REC_PHONE: return REC_PHONE; default: Log (("ac97: Unknown audio recording source %d using MIC\n", rs)); return REC_MIC; } } static void record_select (AC97LinkState *s, uint32_t val) { uint8_t rs = val & REC_MASK; uint8_t ls = (val >> 8) & REC_MASK; audrecsource_t ars = ac97_to_aud_record_source (rs); audrecsource_t als = ac97_to_aud_record_source (ls); AUD_set_record_source (&als, &ars); rs = aud_to_ac97_record_source (ars); ls = aud_to_ac97_record_source (als); mixer_store (s, AC97_Record_Select, rs | (ls << 8)); } #endif static void mixer_reset (AC97LinkState *s) { uint8_t active[LAST_INDEX]; Log (("ac97: mixer_reset\n")); memset (s->mixer_data, 0, sizeof (s->mixer_data)); memset (active, 0, sizeof (active)); mixer_store (s, AC97_Reset , 0x0000); /* 6940 */ mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x8000); mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000); mixer_store (s, AC97_Phone_Volume_Mute , 0x8008); mixer_store (s, AC97_Mic_Volume_Mute , 0x8008); mixer_store (s, AC97_CD_Volume_Mute , 0x8808); mixer_store (s, AC97_Aux_Volume_Mute , 0x8808); mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x8000); mixer_store (s, AC97_General_Purpose , 0x0000); mixer_store (s, AC97_3D_Control , 0x0000); mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f); /* * Sigmatel 9700 (STAC9700) */ mixer_store (s, AC97_Vendor_ID1 , 0x8384); mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */ mixer_store (s, AC97_Extended_Audio_ID , 0x0809); mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009); mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80); mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80); mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80); mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80); mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80); #ifdef USE_MIXER record_select (s, 0); set_volume (s, AC97_Master_Volume_Mute, AUD_MIXER_VOLUME , 0x8000); set_volume (s, AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM , 0x8808); set_volume (s, AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN, 0x8808); #else mixer_store (s, AC97_Record_Select, 0); mixer_store (s, AC97_Master_Volume_Mute, 0x8000); mixer_store (s, AC97_PCM_Out_Volume_Mute, 0x8808); mixer_store (s, AC97_Line_In_Volume_Mute, 0x8808); #endif reset_voices (s, active); } static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r, int max, int *stop) { PPDMDEVINS pDevIns = ICHAC97STATE_2_DEVINS(s); uint8_t tmpbuf[4096]; uint32_t addr = r->bd.addr; uint32_t temp = r->picb << 1; uint32_t written = 0; int to_copy = 0; temp = audio_MIN (temp, (uint32_t) max); if (!temp) { *stop = 1; return 0; } while (temp) { int copied; to_copy = audio_MIN (temp, sizeof (tmpbuf)); PDMDevHlpPhysRead (pDevIns, addr, tmpbuf, to_copy); copied = AUD_write (s->voice_po, tmpbuf, to_copy); Log (("ac97: write_audio max=%x to_copy=%x copied=%x\n", max, to_copy, copied)); if (!copied) { *stop = 1; break; } temp -= copied; addr += copied; written += copied; } if (!temp) { if (to_copy < 4) { Log (("ac97: whoops\n")); s->last_samp = 0; } else s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4]; } r->bd.addr = addr; return written; } static void write_bup (AC97LinkState *s, int elapsed) { int written = 0; Log (("ac97: write_bup\n")); if (!(s->bup_flag & BUP_SET)) { if (s->bup_flag & BUP_LAST) { unsigned int i; uint32_t *p = (uint32_t*)s->silence; for (i = 0; i < sizeof (s->silence) / 4; i++) *p++ = s->last_samp; } else memset (s->silence, 0, sizeof (s->silence)); s->bup_flag |= BUP_SET; } while (elapsed) { unsigned int temp = audio_MIN ((unsigned int)elapsed, sizeof (s->silence)); while (temp) { int copied = AUD_write (s->voice_po, s->silence, temp); if (!copied) return; temp -= copied; elapsed -= copied; written += copied; } } } static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r, int max, int *stop) { PPDMDEVINS pDevIns = ICHAC97STATE_2_DEVINS(s); uint8_t tmpbuf[4096]; uint32_t addr = r->bd.addr; uint32_t temp = r->picb << 1; uint32_t nread = 0; int to_copy = 0; SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi; temp = audio_MIN (temp, (uint32_t) max); if (!temp) { *stop = 1; return 0; } while (temp) { int acquired; to_copy = audio_MIN (temp, sizeof (tmpbuf)); acquired = AUD_read (voice, tmpbuf, to_copy); if (!acquired) { *stop = 1; break; } PDMDevHlpPhysWrite (pDevIns, addr, tmpbuf, acquired); temp -= acquired; addr += acquired; nread += acquired; } r->bd.addr = addr; return nread; } static void transfer_audio (AC97LinkState *s, int index, int elapsed) { AC97BusMasterRegs *r = &s->bm_regs[index]; int written = 0, stop = 0; if (r->sr & SR_DCH) { if (r->cr & CR_RPBM) { switch (index) { case PO_INDEX: write_bup (s, elapsed); break; } } return; } while ((elapsed >> 1) && !stop) { int temp; if (!r->bd_valid) { Log (("ac97: invalid bd\n")); fetch_bd (s, r); } if (!r->picb) { Log (("ac97: fresh bd %d is empty %#x %#x\n", r->civ, r->bd.addr, r->bd.ctl_len)); if (r->civ == r->lvi) { r->sr |= SR_DCH; /* CELV? */ s->bup_flag = 0; break; } r->sr &= ~SR_CELV; r->civ = r->piv; r->piv = (r->piv + 1) % 32; fetch_bd (s, r); return; } switch (index) { case PO_INDEX: temp = write_audio (s, r, elapsed, &stop); written += temp; elapsed -= temp; r->picb -= (temp >> 1); break; case PI_INDEX: case MC_INDEX: temp = read_audio (s, r, elapsed, &stop); elapsed -= temp; r->picb -= (temp >> 1); break; } Log(("r->picb = %d\n", r->picb)); if (!r->picb) { uint32_t new_sr = r->sr & ~SR_CELV; if (r->bd.ctl_len & BD_IOC) new_sr |= SR_BCIS; if (r->civ == r->lvi) { Log (("ac97: Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi)); new_sr |= SR_LVBCI | SR_DCH | SR_CELV; stop = 1; s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0; } else { r->civ = r->piv; r->piv = (r->piv + 1) % 32; fetch_bd (s, r); } update_sr (s, r, new_sr); } } } static void pi_callback (void *opaque, int avail) { transfer_audio ((AC97LinkState*)opaque, PI_INDEX, avail); } static void mc_callback (void *opaque, int avail) { transfer_audio ((AC97LinkState*)opaque, MC_INDEX, avail); } static void po_callback (void *opaque, int free) { transfer_audio ((AC97LinkState*)opaque, PO_INDEX, free); } /** * Port I/O Handler for IN operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the IN operation. * @param pu32 Where to store the result. * @param cb Number of bytes read. */ static DECLCALLBACK(int) ichac97IOPortNABMRead (PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb) { PCIAC97LinkState *d = (PCIAC97LinkState*)pvUser; AC97LinkState *s = &d->ac97; switch (cb) { case 1: { AC97BusMasterRegs *r = NULL; uint32_t index = Port - d->ac97.IOPortBase[1]; *pu32 = ~0U; switch (index) { case CAS: /* Codec Access Semaphore Register */ Log (("ac97: CAS %d\n", s->cas)); *pu32 = s->cas; s->cas = 1; break; case PI_CIV: case PO_CIV: case MC_CIV: /* Current Index Value Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->civ; Log (("ac97: CIV[%d] -> %#x\n", GET_BM (index), *pu32)); break; case PI_LVI: case PO_LVI: case MC_LVI: /* Last Valid Index Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->lvi; Log (("ac97: LVI[%d] -> %#x\n", GET_BM (index), *pu32)); break; case PI_PIV: case PO_PIV: case MC_PIV: /* Prefetched Index Value Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->piv; Log (("ac97: PIV[%d] -> %#x\n", GET_BM (index), *pu32)); break; case PI_CR: case PO_CR: case MC_CR: /* Control Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->cr; Log (("ac97: CR[%d] -> %#x\n", GET_BM (index), *pu32)); break; case PI_SR: case PO_SR: case MC_SR: /* Status Register (lower part) */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->sr & 0xff; Log (("ac97: SRb[%d] -> %#x\n", GET_BM (index), *pu32)); break; default: Log (("ac97: U nabm readb %#x -> %#x\n", Port, *pu32)); break; } break; } case 2: { AC97BusMasterRegs *r = NULL; uint32_t index = Port - d->ac97.IOPortBase[1]; *pu32 = ~0U; switch (index) { case PI_SR: case PO_SR: case MC_SR: /* Status Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->sr; Log (("ac97: SR[%d] -> %#x\n", GET_BM (index), *pu32)); break; case PI_PICB: case PO_PICB: case MC_PICB: /* Position in Current Buffer Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->picb; Log (("ac97: PICB[%d] -> %#x\n", GET_BM (index), *pu32)); break; default: Log (("ac97: U nabm readw %#x -> %#x\n", Port, *pu32)); break; } break; } case 4: { AC97BusMasterRegs *r = NULL; uint32_t index = Port - d->ac97.IOPortBase[1]; *pu32 = ~0U; switch (index) { case PI_BDBAR: case PO_BDBAR: case MC_BDBAR: /* Buffer Descriptor Base Address Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->bdbar; Log (("ac97: BMADDR[%d] -> %#x\n", GET_BM (index), *pu32)); break; case PI_CIV: case PO_CIV: case MC_CIV: /* 32-bit access: Current Index Value Register + * Last Valid Index Register + * Status Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->civ | (r->lvi << 8) | (r->sr << 16); Log (("ac97: CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index), r->civ, r->lvi, r->sr)); break; case PI_PICB: case PO_PICB: case MC_PICB: /* 32-bit access: Position in Current Buffer Register + * Prefetched Index Value Register + * Control Register */ r = &s->bm_regs[GET_BM (index)]; *pu32 = r->picb | (r->piv << 16) | (r->cr << 24); Log (("ac97: PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index), *pu32, r->picb, r->piv, r->cr)); break; case GLOB_CNT: /* Global Control */ *pu32 = s->glob_cnt; Log (("ac97: glob_cnt -> %#x\n", *pu32)); break; case GLOB_STA: /* Global Status */ *pu32 = s->glob_sta | GS_S0CR; Log (("ac97: glob_sta -> %#x\n", *pu32)); break; default: Log (("ac97: U nabm readl %#x -> %#x\n", Port, *pu32)); break; } break; } default: return VERR_IOM_IOPORT_UNUSED; } return VINF_SUCCESS; } /** * Port I/O Handler for OUT operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the IN operation. * @param u32 The value to output. * @param cb The value size in bytes. */ static DECLCALLBACK(int) ichac97IOPortNABMWrite (PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { PCIAC97LinkState *d = (PCIAC97LinkState*)pvUser; AC97LinkState *s = &d->ac97; switch (cb) { case 1: { AC97BusMasterRegs *r = NULL; uint32_t index = Port - d->ac97.IOPortBase[1]; switch (index) { case PI_LVI: case PO_LVI: case MC_LVI: /* Last Valid Index */ r = &s->bm_regs[GET_BM (index)]; if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) { r->sr &= ~(SR_DCH | SR_CELV); r->civ = r->piv; r->piv = (r->piv + 1) % 32; fetch_bd (s, r); } r->lvi = u32 % 32; Log (("ac97: LVI[%d] <- %#x\n", GET_BM (index), u32)); break; case PI_CR: case PO_CR: case MC_CR: /* Control Register */ r = &s->bm_regs[GET_BM (index)]; if (u32 & CR_RR) reset_bm_regs (s, r); else { r->cr = u32 & CR_VALID_MASK; if (!(r->cr & CR_RPBM)) { voice_set_active (s, r - s->bm_regs, 0); r->sr |= SR_DCH; } else { r->civ = r->piv; r->piv = (r->piv + 1) % 32; fetch_bd (s, r); r->sr &= ~SR_DCH; voice_set_active (s, r - s->bm_regs, 1); } } Log (("ac97: CR[%d] <- %#x (cr %#x)\n", GET_BM (index), u32, r->cr)); break; case PI_SR: case PO_SR: case MC_SR: /* Status Register */ r = &s->bm_regs[GET_BM (index)]; r->sr |= u32 & ~(SR_RO_MASK | SR_WCLEAR_MASK); update_sr (s, r, r->sr & ~(u32 & SR_WCLEAR_MASK)); Log (("ac97: SR[%d] <- %#x (sr %#x)\n", GET_BM (index), u32, r->sr)); break; default: Log (("ac97: U nabm writeb %#x <- %#x\n", Port, u32)); break; } break; } case 2: { AC97BusMasterRegs *r = NULL; uint32_t index = Port - d->ac97.IOPortBase[1]; switch (index) { case PI_SR: case PO_SR: case MC_SR: /* Status Register */ r = &s->bm_regs[GET_BM (index)]; r->sr |= u32 & ~(SR_RO_MASK | SR_WCLEAR_MASK); update_sr (s, r, r->sr & ~(u32 & SR_WCLEAR_MASK)); Log (("ac97: SR[%d] <- %#x (sr %#x)\n", GET_BM (index), u32, r->sr)); break; default: Log (("ac97: U nabm writew %#x <- %#x\n", Port, u32)); break; } break; } case 4: { AC97BusMasterRegs *r = NULL; uint32_t index = Port - d->ac97.IOPortBase[1]; switch (index) { case PI_BDBAR: case PO_BDBAR: case MC_BDBAR: /* Buffer Descriptor list Base Address Register */ r = &s->bm_regs[GET_BM (index)]; r->bdbar = u32 & ~3; Log (("ac97: BDBAR[%d] <- %#x (bdbar %#x)\n", GET_BM (index), u32, r->bdbar)); break; case GLOB_CNT: /* Global Control */ if (u32 & GC_WR) warm_reset (s); if (u32 & GC_CR) cold_reset (s); if (!(u32 & (GC_WR | GC_CR))) s->glob_cnt = u32 & GC_VALID_MASK; Log (("ac97: glob_cnt <- %#x (glob_cnt %#x)\n", u32, s->glob_cnt)); break; case GLOB_STA: /* Global Status */ s->glob_sta &= ~(u32 & GS_WCLEAR_MASK); s->glob_sta |= (u32 & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK; Log (("ac97: glob_sta <- %#x (glob_sta %#x)\n", u32, s->glob_sta)); break; default: Log (("ac97: U nabm writel %#x <- %#x\n", Port, u32)); break; } break; } default: AssertMsgFailed(("Port=%#x cb=%d u32=%#x\n", Port, cb, u32)); break; } return VINF_SUCCESS; } /** * Port I/O Handler for IN operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the IN operation. * @param pu32 Where to store the result. * @param cb Number of bytes read. */ static DECLCALLBACK(int) ichac97IOPortNAMRead (PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb) { PCIAC97LinkState *d = (PCIAC97LinkState*)pvUser; AC97LinkState *s = &d->ac97; switch (cb) { case 1: { Log (("ac97: U nam readb %#x\n", Port)); s->cas = 0; *pu32 = ~0U; break; } case 2: { uint32_t index = Port - d->ac97.IOPortBase[0]; *pu32 = ~0U; s->cas = 0; switch (index) { default: *pu32 = mixer_load (s, index); Log (("ac97: nam readw %#x -> %#x\n", Port, *pu32)); break; } break; } case 4: { Log (("ac97: U nam readl %#x\n", Port)); s->cas = 0; *pu32 = ~0U; break; } default: return VERR_IOM_IOPORT_UNUSED; } return VINF_SUCCESS; } /** * Port I/O Handler for OUT operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the IN operation. * @param u32 The value to output. * @param cb The value size in bytes. */ static DECLCALLBACK(int) ichac97IOPortNAMWrite (PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { PCIAC97LinkState *d = (PCIAC97LinkState*)pvUser; AC97LinkState *s = &d->ac97; switch (cb) { case 1: { Log (("ac97: U nam writeb %#x <- %#x\n", Port, u32)); s->cas = 0; break; } case 2: { uint32_t index = Port - d->ac97.IOPortBase[0]; s->cas = 0; switch (index) { case AC97_Reset: mixer_reset (s); break; case AC97_Powerdown_Ctrl_Stat: u32 &= ~0xf; u32 |= mixer_load (s, index) & 0xf; mixer_store (s, index, u32); break; #ifdef USE_MIXER case AC97_Master_Volume_Mute: set_volume (s, index, AUD_MIXER_VOLUME, u32); break; case AC97_PCM_Out_Volume_Mute: set_volume (s, index, AUD_MIXER_PCM, u32); break; case AC97_Line_In_Volume_Mute: set_volume (s, index, AUD_MIXER_LINE_IN, u32); break; case AC97_Record_Select: record_select (s, u32); break; #else case AC97_Master_Volume_Mute: case AC97_PCM_Out_Volume_Mute: case AC97_Line_In_Volume_Mute: case AC97_Record_Select: mixer_store (s, index, u32); break; #endif case AC97_Vendor_ID1: case AC97_Vendor_ID2: Log (("ac97: Attempt to write vendor ID to %#x\n", u32)); break; case AC97_Extended_Audio_ID: Log (("ac97: Attempt to write extended audio ID to %#x\n", u32)); break; case AC97_Extended_Audio_Ctrl_Stat: if (!(u32 & EACS_VRA)) { mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80); mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80); open_voice (s, PI_INDEX, 48000); open_voice (s, PO_INDEX, 48000); } if (!(u32 & EACS_VRM)) { mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80); open_voice (s, MC_INDEX, 48000); } Log (("ac97: Setting extended audio control to %#x\n", u32)); mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, u32); break; case AC97_PCM_Front_DAC_Rate: if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) { mixer_store (s, index, u32); Log(("ac97: Set front DAC rate to %d\n", u32)); open_voice (s, PO_INDEX, u32); } else { Log (("ac97: Attempt to set front DAC rate to %d, " "but VRA is not set\n", u32)); } break; case AC97_MIC_ADC_Rate: if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) { mixer_store (s, index, u32); Log (("ac97: Set MIC ADC rate to %d\n", u32)); open_voice (s, MC_INDEX, u32); } else { Log (("ac97: Attempt to set MIC ADC rate to %d, " "but VRM is not set\n", u32)); } break; case AC97_PCM_LR_ADC_Rate: if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) { mixer_store (s, index, u32); Log (("ac97: Set front LR ADC rate to %d\n", u32)); open_voice (s, PI_INDEX, u32); } else { Log (("ac97: Attempt to set LR ADC rate to %d, but VRA is not set\n", u32)); } break; default: Log (("ac97: U nam writew %#x <- %#x\n", Port, u32)); mixer_store (s, index, u32); break; } break; } case 4: { Log (("ac97: U nam writel %#x <- %#x\n", Port, u32)); s->cas = 0; break; } default: AssertMsgFailed(("Port=%#x cb=%d u32=%#x\n", Port, cb, u32)); break; } return VINF_SUCCESS; } /** * Callback function for mapping a PCI I/O region. * * @return VBox status code. * @param pPciDev Pointer to PCI device. * Use pPciDev->pDevIns to get the device instance. * @param iRegion The region number. * @param GCPhysAddress Physical address of the region. * If iType is PCI_ADDRESS_SPACE_IO, this is an * I/O port, else it's a physical address. * This address is *NOT* relative * to pci_mem_base like earlier! * @param enmType One of the PCI_ADDRESS_SPACE_* values. */ static DECLCALLBACK(int) ichac97IOPortMap (PPCIDEVICE pPciDev, int iRegion, RTGCPHYS GCPhysAddress, uint32_t cb, PCIADDRESSSPACE enmType) { int rc; PPDMDEVINS pDevIns = pPciDev->pDevIns; RTIOPORT Port = (RTIOPORT)GCPhysAddress; PCIAC97LinkState *pData = PCIDEV_2_ICHAC97STATE(pPciDev); Assert(enmType == PCI_ADDRESS_SPACE_IO); Assert(cb >= 0x20); if (iRegion == 0) rc = PDMDevHlpIOPortRegister (pDevIns, Port, 256, pData, ichac97IOPortNAMWrite, ichac97IOPortNAMRead, NULL, NULL, "ICHAC97 NAM"); else rc = PDMDevHlpIOPortRegister (pDevIns, Port, 64, pData, ichac97IOPortNABMWrite, ichac97IOPortNABMRead, NULL, NULL, "ICHAC97 NABM"); if (VBOX_FAILURE(rc)) return rc; pData->ac97.IOPortBase[iRegion] = Port; return VINF_SUCCESS; } /** * Saves a state of the AC'97 device. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to save the state to. */ static DECLCALLBACK(int) ichac97SaveExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle) { PCIAC97LinkState *pData = PDMINS2DATA(pDevIns, PCIAC97LinkState *); size_t i; uint8_t active[LAST_INDEX]; AC97LinkState *s = &pData->ac97; SSMR3PutU32 (pSSMHandle, s->glob_cnt); SSMR3PutU32 (pSSMHandle, s->glob_sta); SSMR3PutU32 (pSSMHandle, s->cas); for (i = 0; i < sizeof (s->bm_regs) / sizeof (s->bm_regs[0]); ++i) { AC97BusMasterRegs *r = &s->bm_regs[i]; SSMR3PutU32 (pSSMHandle, r->bdbar); SSMR3PutU8 (pSSMHandle, r->civ); SSMR3PutU8 (pSSMHandle, r->lvi); SSMR3PutU16 (pSSMHandle, r->sr); SSMR3PutU16 (pSSMHandle, r->picb); SSMR3PutU8 (pSSMHandle, r->piv); SSMR3PutU8 (pSSMHandle, r->cr); SSMR3PutS32 (pSSMHandle, r->bd_valid); SSMR3PutU32 (pSSMHandle, r->bd.addr); SSMR3PutU32 (pSSMHandle, r->bd.ctl_len); } SSMR3PutMem (pSSMHandle, s->mixer_data, sizeof (s->mixer_data)); active[PI_INDEX] = AUD_is_active_in (s->voice_pi) ? 1 : 0; active[PO_INDEX] = AUD_is_active_out (s->voice_po) ? 1 : 0; active[MC_INDEX] = AUD_is_active_in (s->voice_mc) ? 1 : 0; SSMR3PutMem (pSSMHandle, active, sizeof (active)); return VINF_SUCCESS; } /** * Loads a saved AC'97 device state. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to the saved state. * @param u32Version The data unit version number. */ static DECLCALLBACK(int) ichac97LoadExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle, uint32_t u32Version) { PCIAC97LinkState *pData = PDMINS2DATA(pDevIns, PCIAC97LinkState *); size_t i; uint8_t active[LAST_INDEX]; AC97LinkState *s = &pData->ac97; if (u32Version != AC97_SSM_VERSION) { AssertFailed(); return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION; } SSMR3GetU32 (pSSMHandle, &s->glob_cnt); SSMR3GetU32 (pSSMHandle, &s->glob_sta); SSMR3GetU32 (pSSMHandle, &s->cas); for (i = 0; i < sizeof (s->bm_regs) / sizeof (s->bm_regs[0]); ++i) { AC97BusMasterRegs *r = &s->bm_regs[i]; SSMR3GetU32 (pSSMHandle, &r->bdbar); SSMR3GetU8 (pSSMHandle, &r->civ); SSMR3GetU8 (pSSMHandle, &r->lvi); SSMR3GetU16 (pSSMHandle, &r->sr); SSMR3GetU16 (pSSMHandle, &r->picb); SSMR3GetU8 (pSSMHandle, &r->piv); SSMR3GetU8 (pSSMHandle, &r->cr); SSMR3GetS32 (pSSMHandle, &r->bd_valid); SSMR3GetU32 (pSSMHandle, &r->bd.addr); SSMR3GetU32 (pSSMHandle, &r->bd.ctl_len); } SSMR3GetMem (pSSMHandle, s->mixer_data, sizeof (s->mixer_data)); SSMR3GetMem (pSSMHandle, active, sizeof (active)); #ifdef USE_MIXER record_select (s, mixer_load (s, AC97_Record_Select)); #define V_(a, b) set_volume (s, a, b, mixer_load (s, a)) V_ (AC97_Master_Volume_Mute, AUD_MIXER_VOLUME); V_ (AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM); V_ (AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN); #undef V_ #endif reset_voices (s, active); s->bup_flag = 0; s->last_samp = 0; return VINF_SUCCESS; } /** * Reset notification. * * @returns VBox status. * @param pDevIns The device instance data. * * @remark The original sources didn't install a reset handler, but it seems to * make sense to me so we'll do it. */ static DECLCALLBACK(void) ac97Reset(PPDMDEVINS pDevIns) { PCIAC97LinkState *pData = PDMINS2DATA(pDevIns, PCIAC97LinkState *); /* * Reset the device state (will need pDrv later). */ reset_bm_regs (&pData->ac97, &pData->ac97.bm_regs[0]); reset_bm_regs (&pData->ac97, &pData->ac97.bm_regs[1]); reset_bm_regs (&pData->ac97, &pData->ac97.bm_regs[2]); /* * Reset the mixer too. The Windows XP driver seems to rely on * this. At least it wants to read the vendor id before it resets * the codec manually. */ mixer_reset(&pData->ac97); } /** * Queries an interface to the driver. * * @returns Pointer to interface. * @returns NULL if the interface was not supported by the driver. * @param pInterface Pointer to this interface structure. * @param enmInterface The requested interface identification. * @thread Any thread. */ static DECLCALLBACK(void *) ichac97QueryInterface (struct PDMIBASE *pInterface, PDMINTERFACE enmInterface) { PCIAC97LinkState *pData = (PCIAC97LinkState *)((uintptr_t)pInterface - RT_OFFSETOF(PCIAC97LinkState, ac97.IBase)); Assert(&pData->ac97.IBase == pInterface); switch (enmInterface) { case PDMINTERFACE_BASE: return &pData->ac97.IBase; default: return NULL; } } /** * Construct a device instance for a VM. * * @returns VBox status. * @param pDevIns The device instance data. * If the registration structure is needed, * pDevIns->pDevReg points to it. * @param iInstance Instance number. Use this to figure out which * registers and such to use. * The device number is also found in pDevIns->iInstance, * but since it's likely to be freqently used PDM passes * it as parameter. * @param pCfgHandle Configuration node handle for the device. * Use this to obtain the configuration * of the device instance. It's also found in * pDevIns->pCfgHandle, but like iInstance it's expected * to be used a bit in this function. */ static DECLCALLBACK(int) ichac97Construct (PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfgHandle) { PCIAC97LinkState *pData = PDMINS2DATA(pDevIns, PCIAC97LinkState *); int rc; Assert(iInstance == 0); /* * Initialize data (most of it anyway). */ pData->ac97.pDevIns = pDevIns; /* IBase */ pData->ac97.IBase.pfnQueryInterface = ichac97QueryInterface; /* PCI Device */ pData->dev.config[0x00] = 0x86; /* vid vendor id intel ro */ pData->dev.config[0x01] = 0x80; /* intel */ pData->dev.config[0x02] = 0x15; /* did device id 82801 ro */ pData->dev.config[0x03] = 0x24; /* 82801aa */ pData->dev.config[0x04] = 0x00; /* pcicmd pci command rw, ro */ pData->dev.config[0x05] = 0x00; pData->dev.config[0x06] = 0x80; /* pcists pci status rwc, ro */ pData->dev.config[0x07] = 0x02; pData->dev.config[0x08] = 0x01; /* rid revision ro */ pData->dev.config[0x09] = 0x00; /* pi programming interface ro */ pData->dev.config[0x0a] = 0x01; /* scc sub class code ro */ pData->dev.config[0x0b] = 0x04; /* bcc base class code ro */ pData->dev.config[0x0e] = 0x00; /* headtyp header type ro */ pData->dev.config[0x10] = 0x01; /* nambar native audio mixer base * address rw */ pData->dev.config[0x11] = 0x00; pData->dev.config[0x12] = 0x00; pData->dev.config[0x13] = 0x00; pData->dev.config[0x14] = 0x01; /* nabmbar native audio bus mastering * base address rw */ pData->dev.config[0x15] = 0x00; pData->dev.config[0x16] = 0x00; pData->dev.config[0x17] = 0x00; pData->dev.config[0x2c] = 0x86; /* svid subsystem vendor id rwo */ pData->dev.config[0x2d] = 0x80; pData->dev.config[0x2e] = 0x00; /* sid subsystem id rwo */ pData->dev.config[0x2f] = 0x00; pData->dev.config[0x3c] = 0x00; /* intr_ln interrupt line rw */ pData->dev.config[0x3d] = 0x01; /* intr_pn interrupt pin ro */ /* * Register the PCI device, it's I/O regions, the timer and the * saved state item. */ rc = PDMDevHlpPCIRegister (pDevIns, &pData->dev); if (VBOX_FAILURE(rc)) return rc; rc = PDMDevHlpPCIIORegionRegister (pDevIns, 0, 256, PCI_ADDRESS_SPACE_IO, ichac97IOPortMap); if (VBOX_FAILURE(rc)) return rc; rc = PDMDevHlpPCIIORegionRegister (pDevIns, 1, 64, PCI_ADDRESS_SPACE_IO, ichac97IOPortMap); if (VBOX_FAILURE(rc)) return rc; rc = PDMDevHlpSSMRegister (pDevIns, pDevIns->pDevReg->szDeviceName, iInstance, AC97_SSM_VERSION, sizeof(*pData), NULL, ichac97SaveExec, NULL, NULL, ichac97LoadExec, NULL); if (VBOX_FAILURE(rc)) return rc; /* * Attach driver. */ rc = PDMDevHlpDriverAttach (pDevIns, 0, &pData->ac97.IBase, &pData->ac97.pDrvBase, "Audio Driver Port"); if (rc == VERR_PDM_NO_ATTACHED_DRIVER) Log (("ac97: No attached driver!\n")); else if (VBOX_FAILURE(rc)) { AssertMsgFailed(("Failed to attach AC97 LUN #0! rc=%Vrc\n", rc)); return rc; } AUD_register_card ("ICH0", &pData->ac97.card); ac97Reset(pDevIns); /** * @todo We should probably display a message box. And perhaps we should * select the noaudio driver instead. */ if (!pData->ac97.voice_pi) LogRel(("AC97: WARNING: Unable to open PCM IN!\n")); if (!pData->ac97.voice_po) LogRel(("AC97: WARNING: Unable to open PCM OUT!\n")); if (!pData->ac97.voice_mc) LogRel(("AC97: WARNING: Unable to open PCM MC!\n")); return VINF_SUCCESS; } /** * The device registration structure. */ const PDMDEVREG g_DeviceICHAC97 = { /* u32Version */ PDM_DEVREG_VERSION, /* szDeviceName */ "ichac97", /* szGCMod */ "", /* szR0Mod */ "", /* pszDescription */ "ICH AC'97 Audio Controller", /* fFlags */ PDM_DEVREG_FLAGS_HOST_BITS_DEFAULT | PDM_DEVREG_FLAGS_GUEST_BITS_DEFAULT, /* fClass */ PDM_DEVREG_CLASS_AUDIO, /* cMaxInstances */ 1, /* cbInstance */ sizeof(PCIAC97LinkState), /* pfnConstruct */ ichac97Construct, /* pfnDestruct */ NULL, /* pfnRelocate */ NULL, /* pfnIOCtl */ NULL, /* pfnPowerOn */ NULL, /* pfnReset */ ac97Reset, /* pfnSuspend */ NULL, /* pfnResume */ NULL, /* pfnAttach */ NULL, /* pfnDetach */ NULL, /* pfnQueryInterface. */ NULL };