/* $Id: DevIchAc97.cpp 70642 2018-01-19 12:18:45Z vboxsync $ */ /** @file * DevIchAc97 - VBox ICH AC97 Audio Controller. */ /* * Copyright (C) 2006-2017 Oracle Corporation * * 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 (GPL) 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. */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_DEV_AC97 #include #include #include #include #ifdef IN_RING3 # ifdef DEBUG # include # endif # include # include # include # include #endif #include "VBoxDD.h" #include "AudioMixBuffer.h" #include "AudioMixer.h" #include "DrvAudio.h" /********************************************************************************************************************************* * Defined Constants And Macros * *********************************************************************************************************************************/ /** Current saved state version. */ #define AC97_SSM_VERSION 1 /** Default timer frequency (in Hz). */ #define AC97_TIMER_HZ 200 /** Maximum FIFO size (in bytes). */ #define AC97_FIFO_MAX 256 #define AC97_SR_FIFOE RT_BIT(4) /* rwc, FIFO error. */ #define AC97_SR_BCIS RT_BIT(3) /* rwc, Buffer completion interrupt status. */ #define AC97_SR_LVBCI RT_BIT(2) /* rwc, Last valid buffer completion interrupt. */ #define AC97_SR_CELV RT_BIT(1) /* ro, Current equals last valid. */ #define AC97_SR_DCH RT_BIT(0) /* ro, Controller halted. */ #define AC97_SR_VALID_MASK (RT_BIT(5) - 1) #define AC97_SR_WCLEAR_MASK (AC97_SR_FIFOE | AC97_SR_BCIS | AC97_SR_LVBCI) #define AC97_SR_RO_MASK (AC97_SR_DCH | AC97_SR_CELV) #define AC97_SR_INT_MASK (AC97_SR_FIFOE | AC97_SR_BCIS | AC97_SR_LVBCI) #define AC97_CR_IOCE RT_BIT(4) /* rw, Interrupt On Completion Enable. */ #define AC97_CR_FEIE RT_BIT(3) /* rw FIFO Error Interrupt Enable. */ #define AC97_CR_LVBIE RT_BIT(2) /* rw Last Valid Buffer Interrupt Enable. */ #define AC97_CR_RR RT_BIT(1) /* rw Reset Registers. */ #define AC97_CR_RPBM RT_BIT(0) /* rw Run/Pause Bus Master. */ #define AC97_CR_VALID_MASK (RT_BIT(5) - 1) #define AC97_CR_DONT_CLEAR_MASK (AC97_CR_IOCE | AC97_CR_FEIE | AC97_CR_LVBIE) #define AC97_GC_WR 4 /* rw Warm reset. */ #define AC97_GC_CR 2 /* rw Cold reset. */ #define AC97_GC_VALID_MASK (RT_BIT(6) - 1) #define AC97_GS_MD3 RT_BIT(17) /* rw */ #define AC97_GS_AD3 RT_BIT(16) /* rw */ #define AC97_GS_RCS RT_BIT(15) /* rwc */ #define AC97_GS_B3S12 RT_BIT(14) /* ro */ #define AC97_GS_B2S12 RT_BIT(13) /* ro */ #define AC97_GS_B1S12 RT_BIT(12) /* ro */ #define AC97_GS_S1R1 RT_BIT(11) /* rwc */ #define AC97_GS_S0R1 RT_BIT(10) /* rwc */ #define AC97_GS_S1CR RT_BIT(9) /* ro */ #define AC97_GS_S0CR RT_BIT(8) /* ro */ #define AC97_GS_MINT RT_BIT(7) /* ro */ #define AC97_GS_POINT RT_BIT(6) /* ro */ #define AC97_GS_PIINT RT_BIT(5) /* ro */ #define AC97_GS_RSRVD (RT_BIT(4)|RT_BIT(3)) #define AC97_GS_MOINT RT_BIT(2) /* ro */ #define AC97_GS_MIINT RT_BIT(1) /* ro */ #define AC97_GS_GSCI RT_BIT(0) /* rwc */ #define AC97_GS_RO_MASK (AC97_GS_B3S12 | \ AC97_GS_B2S12 | \ AC97_GS_B1S12 | \ AC97_GS_S1CR | \ AC97_GS_S0CR | \ AC97_GS_MINT | \ AC97_GS_POINT | \ AC97_GS_PIINT | \ AC97_GS_RSRVD | \ AC97_GS_MOINT | \ AC97_GS_MIINT) #define AC97_GS_VALID_MASK (RT_BIT(18) - 1) #define AC97_GS_WCLEAR_MASK (AC97_GS_RCS|AC97_GS_S1R1|AC97_GS_S0R1|AC97_GS_GSCI) /** @name Buffer Descriptor (BD). * @{ */ #define AC97_BD_IOC RT_BIT(31) /**< Interrupt on Completion. */ #define AC97_BD_BUP RT_BIT(30) /**< Buffer Underrun Policy. */ #define AC97_BD_LEN_MASK 0xFFFF /**< Mask for the BDL buffer length. */ #define AC97_MAX_BDLE 32 /**< Maximum number of BDLEs. */ /** @} */ /** @name Extended Audio Status and Control Register (EACS). * @{ */ #define AC97_EACS_VRA 1 /**< Variable Rate Audio (4.2.1.1). */ #define AC97_EACS_VRM 8 /**< Variable Rate Mic Audio (4.2.1.1). */ /** @} */ /** @name Baseline Audio Register Set (BARS). * @{ */ #define AC97_BARS_VOL_MASK 0x1f /**< Volume mask for the Baseline Audio Register Set (5.7.2). */ #define AC97_BARS_VOL_STEPS 31 /**< Volume steps for the Baseline Audio Register Set (5.7.2). */ #define AC97_BARS_VOL_MUTE_SHIFT 15 /**< Mute bit shift for the Baseline Audio Register Set (5.7.2). */ /** @} */ /* AC'97 uses 1.5dB steps, we use 0.375dB steps: 1 AC'97 step equals 4 PDM steps. */ #define AC97_DB_FACTOR 4 #define AC97_REC_MASK 7 enum { AC97_REC_MIC = 0, AC97_REC_CD, AC97_REC_VIDEO, AC97_REC_AUX, AC97_REC_LINE_IN, AC97_REC_STEREO_MIX, AC97_REC_MONO_MIX, AC97_REC_PHONE }; enum { AC97_Reset = 0x00, AC97_Master_Volume_Mute = 0x02, AC97_Headphone_Volume_Mute = 0x04, /** Also known as AUX, see table 16, section 5.7. */ 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_AD_Misc = 0x76, AC97_Vendor_ID1 = 0x7c, AC97_Vendor_ID2 = 0x7e }; /* Codec models. */ typedef enum { AC97_CODEC_STAC9700 = 0, /* SigmaTel STAC9700 */ AC97_CODEC_AD1980, /* Analog Devices AD1980 */ AC97_CODEC_AD1981B /* Analog Devices AD1981B */ } AC97CODEC; /* Analog Devices miscellaneous regiter bits used in AD1980. */ #define AC97_AD_MISC_LOSEL RT_BIT(5) /* Surround (rear) goes to line out outputs. */ #define AC97_AD_MISC_HPSEL RT_BIT(10) /* PCM (front) goes to headphone outputs. */ #define ICHAC97STATE_2_DEVINS(a_pAC97) ((a_pAC97)->pDevInsR3) enum { BUP_SET = RT_BIT(0), BUP_LAST = RT_BIT(1) }; /** Emits registers for a specific (Native Audio Bus Master BAR) NABMBAR. */ #define AC97_NABMBAR_REGS(prefix, off) \ enum { \ prefix ## _BDBAR = off, /* Buffer Descriptor Base Address */ \ prefix ## _CIV = off + 4, /* Current Index Value */ \ prefix ## _LVI = off + 5, /* Last Valid Index */ \ prefix ## _SR = off + 6, /* Status Register */ \ prefix ## _PICB = off + 8, /* Position in Current Buffer */ \ prefix ## _PIV = off + 10, /* Prefetched Index Value */ \ prefix ## _CR = off + 11 /* Control Register */ \ } #ifndef VBOX_DEVICE_STRUCT_TESTCASE typedef enum { AC97SOUNDSOURCE_PI_INDEX = 0, /** PCM in */ AC97SOUNDSOURCE_PO_INDEX, /** PCM out */ AC97SOUNDSOURCE_MC_INDEX, /** Mic in */ AC97SOUNDSOURCE_LAST_INDEX } AC97SOUNDSOURCE; AC97_NABMBAR_REGS(PI, AC97SOUNDSOURCE_PI_INDEX * 16); AC97_NABMBAR_REGS(PO, AC97SOUNDSOURCE_PO_INDEX * 16); AC97_NABMBAR_REGS(MC, AC97SOUNDSOURCE_MC_INDEX * 16); #endif enum { /** NABMBAR: Global Control Register. */ AC97_GLOB_CNT = 0x2c, /** NABMBAR Global Status. */ AC97_GLOB_STA = 0x30, /** Codec Access Semaphore Register. */ AC97_CAS = 0x34 }; #define AC97_PORT2IDX(a_idx) ( ((a_idx) >> 4) & 3 ) /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ /** * Buffer Descriptor List Entry (BDLE). */ typedef struct AC97BDLE { uint32_t addr; uint32_t ctl_len; } AC97BDLE, *PAC97BDLE; /** * Bus master register set for an audio stream. */ typedef struct AC97BMREGS { uint32_t bdbar; /** rw 0, Buffer Descriptor List: BAR (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 (in samples). */ uint8_t piv; /** ro 0, Prefetched index value. */ uint8_t cr; /** rw 0, Control register. */ int bd_valid; /** Whether current BDLE is initialized or not. */ AC97BDLE bd; /** Current Buffer Descriptor List Entry (BDLE). */ } AC97BMREGS, *PAC97BMREGS; #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO /** * Structure keeping the AC'97 stream's state for asynchronous I/O. */ typedef struct AC97STREAMSTATEAIO { /** Thread handle for the actual I/O thread. */ RTTHREAD Thread; /** Event for letting the thread know there is some data to process. */ RTSEMEVENT Event; /** Critical section for synchronizing access. */ RTCRITSECT CritSect; /** Started indicator. */ volatile bool fStarted; /** Shutdown indicator. */ volatile bool fShutdown; /** Whether the thread should do any data processing or not. */ volatile bool fEnabled; uint32_t Padding1; } AC97STREAMSTATEAIO, *PAC97STREAMSTATEAIO; #endif /** * Structure for keeping the internal state of an AC'97 stream. */ typedef struct AC97STREAMSTATE { /** Circular buffer (FIFO) for holding DMA'ed data. */ R3PTRTYPE(PRTCIRCBUF) pCircBuf; /** Criticial section for this stream. */ RTCRITSECT CritSect; /** The stream's current configuration. */ PDMAUDIOSTREAMCFG Cfg; uint32_t Padding; #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO /** Asynchronous I/O state members. */ AC97STREAMSTATEAIO AIO; #endif } AC97STREAMSTATE, *PAC97STREAMSTATE; /** * Structure for an AC'97 stream. */ typedef struct AC97STREAM { /** Stream number (SDn). */ uint8_t u8SD; /** Bus master registers of this stream. */ AC97BMREGS Regs; /** Internal state of this stream. */ AC97STREAMSTATE State; } AC97STREAM, *PAC97STREAM; typedef struct AC97STATE *PAC97STATE; #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO /** * Structure for the async I/O thread context. */ typedef struct AC97STREAMTHREADCTX { PAC97STATE pThis; PAC97STREAM pStream; } AC97STREAMTHREADCTX, *PAC97STREAMTHREADCTX; #endif /** * Structure defining a (host backend) driver stream. * Each driver has its own instances of audio mixer streams, which then * can go into the same (or even different) audio mixer sinks. */ typedef struct AC97DRIVERSTREAM { union { /** Desired playback destination (for an output stream). */ PDMAUDIOPLAYBACKDEST Dest; /** Desired recording source (for an input stream). */ PDMAUDIORECSOURCE Source; } DestSource; uint8_t Padding1[4]; /** Associated mixer stream handle. */ R3PTRTYPE(PAUDMIXSTREAM) pMixStrm; } AC97DRIVERSTREAM, *PAC97DRIVERSTREAM; /** * Struct for maintaining a host backend driver. */ typedef struct AC97DRIVER { /** Node for storing this driver in our device driver list of AC97STATE. */ RTLISTNODER3 Node; /** Pointer to AC97 controller (state). */ R3PTRTYPE(PAC97STATE) pAC97State; /** Driver flags. */ PDMAUDIODRVFLAGS fFlags; uint32_t PaddingFlags; /** LUN # to which this driver has been assigned. */ uint8_t uLUN; /** Whether this driver is in an attached state or not. */ bool fAttached; uint8_t Padding[4]; /** Pointer to attached driver base interface. */ R3PTRTYPE(PPDMIBASE) pDrvBase; /** Audio connector interface to the underlying host backend. */ R3PTRTYPE(PPDMIAUDIOCONNECTOR) pConnector; /** Driver stream for line input. */ AC97DRIVERSTREAM LineIn; /** Driver stream for mic input. */ AC97DRIVERSTREAM MicIn; /** Driver stream for output. */ AC97DRIVERSTREAM Out; } AC97DRIVER, *PAC97DRIVER; /** * Structure for maintaining an AC'97 device state. */ typedef struct AC97STATE { /** The PCI device state. */ PDMPCIDEV PciDev; /** R3 Pointer to the device instance. */ PPDMDEVINSR3 pDevInsR3; /** Critical section protecting the AC'97 state. */ PDMCRITSECT CritSect; /** 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; uint8_t mixer_data[256]; /** AC'97 stream for line-in. */ AC97STREAM StreamLineIn; /** AC'97 stream for microphone-in. */ AC97STREAM StreamMicIn; /** AC'97 stream for output. */ AC97STREAM StreamOut; /** Number of active (running) SDn streams. */ uint8_t cStreamsActive; #ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS /** The timer for pumping data thru the attached LUN drivers. */ PTMTIMERR3 pTimer; # if HC_ARCH_BITS == 32 uint32_t Padding0; # endif /** Flag indicating whether the timer is active or not. */ bool fTimerActive; uint8_t u8Padding1[7]; /** The timer interval for pumping data thru the LUN drivers in timer ticks. */ uint64_t cTimerTicks; /** Timestamp of the last timer callback (ac97Timer). * Used to calculate the time actually elapsed between two timer callbacks. */ uint64_t uTimerTS; #endif #ifdef VBOX_WITH_STATISTICS STAMPROFILE StatTimer; STAMPROFILE StatIn; STAMPROFILE StatOut; STAMCOUNTER StatBytesRead; STAMCOUNTER StatBytesWritten; #endif /** List of associated LUN drivers (AC97DRIVER). */ RTLISTANCHOR lstDrv; /** The device's software mixer. */ R3PTRTYPE(PAUDIOMIXER) pMixer; /** Audio sink for PCM output. */ R3PTRTYPE(PAUDMIXSINK) pSinkOut; /** Audio sink for line input. */ R3PTRTYPE(PAUDMIXSINK) pSinkLineIn; /** Audio sink for microphone input. */ R3PTRTYPE(PAUDMIXSINK) pSinkMicIn; uint8_t silence[128]; int bup_flag; /** The base interface for LUN\#0. */ PDMIBASE IBase; /** Base port of the I/O space region. */ RTIOPORT IOPortBase[2]; /** Codec model. */ uint32_t uCodecModel; } AC97STATE, *PAC97STATE; /** * Acquires the AC'97 lock. */ #define DEVAC97_LOCK(a_pThis) \ do { \ int rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, VERR_IGNORED); \ AssertRC(rcLock); \ } while (0) /** * Acquires the AC'97 lock or returns. */ # define DEVAC97_LOCK_RETURN(a_pThis, a_rcBusy) \ do { \ int rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, a_rcBusy); \ if (rcLock != VINF_SUCCESS) \ { \ AssertRC(rcLock); \ return rcLock; \ } \ } while (0) /** * Acquires the AC'97 lock or returns. */ # define DEVAC97_LOCK_RETURN_VOID(a_pThis) \ do { \ int rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, VERR_IGNORED); \ if (rcLock != VINF_SUCCESS) \ { \ AssertRC(rcLock); \ return; \ } \ } while (0) /** * Releases the AC'97 lock. */ #define DEVAC97_UNLOCK(a_pThis) \ do { PDMCritSectLeave(&(a_pThis)->CritSect); } while (0) /** * Acquires the TM lock and AC'97 lock, returns on failure. */ #define DEVAC97_LOCK_BOTH_RETURN_VOID(a_pThis) \ do { \ int rcLock = TMTimerLock((a_pThis)->pTimer, VERR_IGNORED); \ if (rcLock != VINF_SUCCESS) \ { \ AssertRC(rcLock); \ return; \ } \ rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, VERR_IGNORED); \ if (rcLock != VINF_SUCCESS) \ { \ AssertRC(rcLock); \ TMTimerUnlock((a_pThis)->pTimer); \ return; \ } \ } while (0) /** * Acquires the TM lock and AC'97 lock, returns on failure. */ #define DEVAC97_LOCK_BOTH_RETURN(a_pThis, a_rcBusy) \ do { \ int rcLock = TMTimerLock((a_pThis)->pTimer, (a_rcBusy)); \ if (rcLock != VINF_SUCCESS) \ return rcLock; \ rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, (a_rcBusy)); \ if (rcLock != VINF_SUCCESS) \ { \ AssertRC(rcLock); \ TMTimerUnlock((a_pThis)->pTimer); \ return rcLock; \ } \ } while (0) /** * Releases the AC'97 lock and TM lock. */ #define DEVAC97_UNLOCK_BOTH(a_pThis) \ do { \ PDMCritSectLeave(&(a_pThis)->CritSect); \ TMTimerUnlock((a_pThis)->pTimer); \ } while (0) #ifdef VBOX_WITH_STATISTICS AssertCompileMemberAlignment(AC97STATE, StatTimer, 8); AssertCompileMemberAlignment(AC97STATE, StatBytesRead, 8); AssertCompileMemberAlignment(AC97STATE, StatBytesWritten, 8); #endif #ifndef VBOX_DEVICE_STRUCT_TESTCASE DECLINLINE(PAC97STREAM) ichac97GetStreamFromIdx(PAC97STATE pThis, uint32_t uIdx); static int ichac97StreamCreate(PAC97STATE pThis, PAC97STREAM pStream, uint8_t u8Strm); static void ichac97StreamDestroy(PAC97STATE pThis, PAC97STREAM pStream); static int ichac97StreamOpen(PAC97STATE pThis, PAC97STREAM pStream); static int ichac97StreamReOpen(PAC97STATE pThis, PAC97STREAM pStream); static int ichac97StreamClose(PAC97STATE pThis, PAC97STREAM pStream); static void ichac97StreamReset(PAC97STATE pThis, PAC97STREAM pStream); static void ichac97StreamLock(PAC97STREAM pStream); static void ichac97StreamUnlock(PAC97STREAM pStream); static uint32_t ichac97StreamGetUsed(PAC97STREAM pStream); static uint32_t ichac97StreamGetFree(PAC97STREAM pStream); static int ichac97StreamTransfer(PAC97STATE pThis, PAC97STREAM pStream, uint32_t cbToProcessMax); static void ichac97StreamUpdate(PAC97STATE pThis, PAC97STREAM pStream, bool fInTimer); static DECLCALLBACK(void) ichac97Reset(PPDMDEVINS pDevIns); #ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS static int ichac97TimerStart(PAC97STATE pThis); static int ichac97TimerMaybeStart(PAC97STATE pThis); static int ichac97TimerStop(PAC97STATE pThis); static int ichac97TimerMaybeStop(PAC97STATE pThis); static void ichac97TimerMain(PAC97STATE pThis); static DECLCALLBACK(void) ichac97Timer(PPDMDEVINS pDevIns, PTMTIMER pTimer, void *pvUser); #endif static void ichac97DoTransfers(PAC97STATE pThis); static int ichac97MixerAddDrvStream(PAC97STATE pThis, PAUDMIXSINK pMixSink, PPDMAUDIOSTREAMCFG pCfg, PAC97DRIVER pDrv); static int ichac97MixerAddDrvStreams(PAC97STATE pThis, PAUDMIXSINK pMixSink, PPDMAUDIOSTREAMCFG pCfg); static void ichac97MixerRemoveDrvStream(PAC97STATE pThis, PAUDMIXSINK pMixSink, PDMAUDIODIR enmDir, PDMAUDIODESTSOURCE dstSrc, PAC97DRIVER pDrv); static void ichac97MixerRemoveDrvStreams(PAC97STATE pThis, PAUDMIXSINK pMixSink, PDMAUDIODIR enmDir, PDMAUDIODESTSOURCE dstSrc); #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO static DECLCALLBACK(int) ichac97StreamAsyncIOThread(RTTHREAD hThreadSelf, void *pvUser); static int ichac97StreamAsyncIOCreate(PAC97STATE pThis, PAC97STREAM pStream); static int ichac97StreamAsyncIODestroy(PAC97STATE pThis, PAC97STREAM pStream); static int ichac97StreamAsyncIONotify(PAC97STATE pThis, PAC97STREAM pStream); static void ichac97StreamAsyncIOLock(PAC97STREAM pStream); static void ichac97StreamAsyncIOUnlock(PAC97STREAM pStream); static void ichac97StreamAsyncIOEnable(PAC97STREAM pStream, bool fEnable); #endif static void ichac97WarmReset(PAC97STATE pThis) { NOREF(pThis); } static void ichac97ColdReset(PAC97STATE pThis) { NOREF(pThis); } /** * Retrieves the audio mixer sink of a corresponding AC'97 stream index. * * @returns Pointer to audio mixer sink if found, or NULL if not found / invalid. * @param pThis AC'97 state. * @param uIndex Stream index to get audio mixer sink for. */ DECLINLINE(PAUDMIXSINK) ichac97IndexToSink(PAC97STATE pThis, uint8_t uIndex) { AssertPtrReturn(pThis, NULL); switch (uIndex) { case AC97SOUNDSOURCE_PI_INDEX: return pThis->pSinkLineIn; break; case AC97SOUNDSOURCE_PO_INDEX: return pThis->pSinkOut; break; case AC97SOUNDSOURCE_MC_INDEX: return pThis->pSinkMicIn; break; default: break; } AssertMsgFailed(("Wrong index %RU8\n", uIndex)); return NULL; } /** * Fetches the current BDLE (Buffer Descriptor List Entry) of an AC'97 audio stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to fetch BDLE for. * * @remark Uses CIV as BDLE index. */ static void ichac97StreamFetchBDLE(PAC97STATE pThis, PAC97STREAM pStream) { PPDMDEVINS pDevIns = ICHAC97STATE_2_DEVINS(pThis); PAC97BMREGS pRegs = &pStream->Regs; uint32_t u32[2]; PDMDevHlpPhysRead(pDevIns, pRegs->bdbar + pRegs->civ * 8, &u32[0], sizeof(u32)); pRegs->bd_valid = 1; #if !defined(RT_ARCH_X86) && !defined(RT_ARCH_AMD64) # error Please adapt the code (audio buffers are little endian)! #else pRegs->bd.addr = RT_H2LE_U32(u32[0] & ~3); pRegs->bd.ctl_len = RT_H2LE_U32(u32[1]); #endif pRegs->picb = pRegs->bd.ctl_len & AC97_BD_LEN_MASK; LogFlowFunc(("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n", pRegs->civ, pRegs->bd.addr, pRegs->bd.ctl_len >> 16, pRegs->bd.ctl_len & AC97_BD_LEN_MASK, (pRegs->bd.ctl_len & AC97_BD_LEN_MASK) << 1)); /** @todo r=andy Assumes 16bit samples. */ } /** * Updates the status register (SR) of an AC'97 audio stream. * * @param pThis AC'97 state. * @param pStream AC'97 stream to update SR for. * @param new_sr New value for status register (SR). */ static void ichac97StreamUpdateSR(PAC97STATE pThis, PAC97STREAM pStream, uint32_t new_sr) { PPDMDEVINS pDevIns = ICHAC97STATE_2_DEVINS(pThis); PAC97BMREGS pRegs = &pStream->Regs; bool fSignal = false; int iIRQL = 0; uint32_t new_mask = new_sr & AC97_SR_INT_MASK; uint32_t old_mask = pRegs->sr & AC97_SR_INT_MASK; static uint32_t const masks[] = { AC97_GS_PIINT, AC97_GS_POINT, AC97_GS_MINT }; if (new_mask ^ old_mask) { /** @todo Is IRQ deasserted when only one of status bits is cleared? */ if (!new_mask) { fSignal = true; iIRQL = 0; } else if ((new_mask & AC97_SR_LVBCI) && (pRegs->cr & AC97_CR_LVBIE)) { fSignal = true; iIRQL = 1; } else if ((new_mask & AC97_SR_BCIS) && (pRegs->cr & AC97_CR_IOCE)) { fSignal = true; iIRQL = 1; } } pRegs->sr = new_sr; LogFlowFunc(("IOC%d, LVB%d, sr=%#x, fSignal=%RTbool, IRQL=%d\n", pRegs->sr & AC97_SR_BCIS, pRegs->sr & AC97_SR_LVBCI, pRegs->sr, fSignal, iIRQL)); if (fSignal) { if (iIRQL) pThis->glob_sta |= masks[pStream->u8SD]; else pThis->glob_sta &= ~masks[pStream->u8SD]; LogFlowFunc(("Setting IRQ level=%d\n", iIRQL)); PDMDevHlpPCISetIrq(pDevIns, 0, iIRQL); } } /** * Returns whether an AC'97 stream is enabled or not. * * @returns IPRT status code. * @param pThis AC'97 device state. * @param pStream Stream to return status for. */ static bool ichac97StreamIsEnabled(PAC97STATE pThis, PAC97STREAM pStream) { AssertPtrReturn(pThis, false); AssertPtrReturn(pStream, false); PAUDMIXSINK pSink = ichac97IndexToSink(pThis, pStream->u8SD); bool fIsEnabled = RT_BOOL(AudioMixerSinkGetStatus(pSink) & AUDMIXSINK_STS_RUNNING); LogFunc(("[SD%RU8] fIsEnabled=%RTbool\n", pStream->u8SD, fIsEnabled)); return fIsEnabled; } /** * Enables or disables an AC'97 audio stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to enable or disable. * @param fEnable Whether to enable or disable the stream. * */ static int ichac97StreamEnable(PAC97STATE pThis, PAC97STREAM pStream, bool fEnable) { AssertPtrReturn(pThis, VERR_INVALID_POINTER); AssertPtrReturn(pStream, VERR_INVALID_POINTER); ichac97StreamLock(pStream); int rc = VINF_SUCCESS; #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO if (fEnable) rc = ichac97StreamAsyncIOCreate(pThis, pStream); if (RT_SUCCESS(rc)) { ichac97StreamAsyncIOLock(pStream); ichac97StreamAsyncIOEnable(pStream, fEnable); } #endif if (fEnable) { if (pStream->State.pCircBuf) RTCircBufReset(pStream->State.pCircBuf); rc = ichac97StreamOpen(pThis, pStream); } else rc = ichac97StreamClose(pThis, pStream); if (RT_SUCCESS(rc)) { /* First, enable or disable the stream and the stream's sink, if any. */ rc = AudioMixerSinkCtl(ichac97IndexToSink(pThis, pStream->u8SD), fEnable ? AUDMIXSINKCMD_ENABLE : AUDMIXSINKCMD_DISABLE); } #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO ichac97StreamAsyncIOUnlock(pStream); #endif /* Make sure to leave the lock before (eventually) starting the timer. */ ichac97StreamUnlock(pStream); #ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS /* Second, see if we need to start or stop the timer. */ if (!fEnable) ichac97TimerMaybeStop(pThis); else ichac97TimerMaybeStart(pThis); #endif LogFunc(("[SD%RU8] cStreamsActive=%RU8, fEnable=%RTbool, rc=%Rrc\n", pStream->u8SD, pThis->cStreamsActive, fEnable, rc)); return rc; } /** * Resets an AC'97 stream. * * @param pThis AC'97 state. * @param pStream AC'97 stream to reset. * */ static void ichac97StreamReset(PAC97STATE pThis, PAC97STREAM pStream) { AssertPtrReturnVoid(pThis); AssertPtrReturnVoid(pStream); ichac97StreamLock(pStream); LogFunc(("[SD%RU8]\n", pStream->u8SD)); if (pStream->State.pCircBuf) RTCircBufReset(pStream->State.pCircBuf); PAC97BMREGS pRegs = &pStream->Regs; pRegs->bdbar = 0; pRegs->civ = 0; pRegs->lvi = 0; pRegs->picb = 0; pRegs->piv = 0; pRegs->cr = pRegs->cr & AC97_CR_DONT_CLEAR_MASK; pRegs->bd_valid = 0; RT_ZERO(pThis->silence); ichac97StreamUnlock(pStream); } /** * Creates an AC'97 audio stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to create. * @param u8Strm Stream ID to assign AC'97 stream to. */ static int ichac97StreamCreate(PAC97STATE pThis, PAC97STREAM pStream, uint8_t u8Strm) { RT_NOREF(pThis); AssertPtrReturn(pStream, VERR_INVALID_PARAMETER); /** @todo Validate u8Strm. */ LogFunc(("[SD%RU8] pStream=%p\n", u8Strm, pStream)); pStream->u8SD = u8Strm; int rc = RTCritSectInit(&pStream->State.CritSect); if (RT_SUCCESS(rc)) rc = RTCircBufCreate(&pStream->State.pCircBuf, _4K); /** @todo Make this configurable. */ return rc; } /** * Destroys an AC'97 audio stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to destroy. */ static void ichac97StreamDestroy(PAC97STATE pThis, PAC97STREAM pStream) { LogFlowFunc(("[SD%RU8]\n", pStream->u8SD)); int rc2 = RTCritSectDelete(&pStream->State.CritSect); AssertRC(rc2); if (pStream->State.pCircBuf) { RTCircBufDestroy(pStream->State.pCircBuf); pStream->State.pCircBuf = NULL; } #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO rc2 = ichac97StreamAsyncIODestroy(pThis, pStream); AssertRC(rc2); #else RT_NOREF(pThis); #endif LogFlowFuncLeave(); } /** * Destroys all AC'97 audio streams of the device. * * @param pThis AC'97 state. */ static void ichac97StreamsDestroy(PAC97STATE pThis) { LogFlowFuncEnter(); /* * Destroy all AC'97 streams. */ ichac97StreamDestroy(pThis, &pThis->StreamLineIn); ichac97StreamDestroy(pThis, &pThis->StreamMicIn); ichac97StreamDestroy(pThis, &pThis->StreamOut); /* * Destroy all sinks. */ PDMAUDIODESTSOURCE dstSrc; if (pThis->pSinkLineIn) { dstSrc.Source = PDMAUDIORECSOURCE_LINE; ichac97MixerRemoveDrvStreams(pThis, pThis->pSinkLineIn, PDMAUDIODIR_IN, dstSrc); AudioMixerSinkDestroy(pThis->pSinkLineIn); pThis->pSinkLineIn = NULL; } if (pThis->pSinkMicIn) { dstSrc.Source = PDMAUDIORECSOURCE_MIC; ichac97MixerRemoveDrvStreams(pThis, pThis->pSinkMicIn, PDMAUDIODIR_IN, dstSrc); AudioMixerSinkDestroy(pThis->pSinkMicIn); pThis->pSinkMicIn = NULL; } if (pThis->pSinkOut) { dstSrc.Dest = PDMAUDIOPLAYBACKDEST_FRONT; ichac97MixerRemoveDrvStreams(pThis, pThis->pSinkOut, PDMAUDIODIR_OUT, dstSrc); AudioMixerSinkDestroy(pThis->pSinkOut); pThis->pSinkOut = NULL; } } /** * Writes audio data from a mixer sink into an AC'97 stream's DMA buffer. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pDstStream AC'97 stream to write to. * @param pSrcMixSink Mixer sink to get audio data to write from. * @param cbToWrite Number of bytes to write. * @param pcbWritten Number of bytes written. Optional. */ static int ichac97StreamWrite(PAC97STATE pThis, PAC97STREAM pDstStream, PAUDMIXSINK pSrcMixSink, uint32_t cbToWrite, uint32_t *pcbWritten) { RT_NOREF(pThis); AssertPtrReturn(pDstStream, VERR_INVALID_POINTER); AssertPtrReturn(pSrcMixSink, VERR_INVALID_POINTER); AssertReturn(cbToWrite, VERR_INVALID_PARAMETER); /* pcbWritten is optional. */ PRTCIRCBUF pCircBuf = pDstStream->State.pCircBuf; AssertPtr(pCircBuf); void *pvDst; size_t cbDst; uint32_t cbRead = 0; RTCircBufAcquireWriteBlock(pCircBuf, cbToWrite, &pvDst, &cbDst); if (cbDst) { int rc2 = AudioMixerSinkRead(pSrcMixSink, AUDMIXOP_COPY, pvDst, (uint32_t)cbDst, &cbRead); AssertRC(rc2); #ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA RTFILE fh; RTFileOpen(&fh, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ichac97StreamWrite.pcm", RTFILE_O_OPEN_CREATE | RTFILE_O_APPEND | RTFILE_O_WRITE | RTFILE_O_DENY_NONE); RTFileWrite(fh, pvDst, cbRead, NULL); RTFileClose(fh); #endif } RTCircBufReleaseWriteBlock(pCircBuf, cbRead); if (pcbWritten) *pcbWritten = cbRead; return VINF_SUCCESS; } /** * Reads audio data from an AC'97 stream's DMA buffer and writes into a specified mixer sink. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pSrcStream AC'97 stream to read audio data from. * @param pDstMixSink Mixer sink to write audio data to. * @param cbToRead Number of bytes to read. * @param pcbRead Number of bytes read. Optional. */ static int ichac97StreamRead(PAC97STATE pThis, PAC97STREAM pSrcStream, PAUDMIXSINK pDstMixSink, uint32_t cbToRead, uint32_t *pcbRead) { RT_NOREF(pThis); AssertPtrReturn(pSrcStream, VERR_INVALID_POINTER); AssertPtrReturn(pDstMixSink, VERR_INVALID_POINTER); AssertReturn(cbToRead, VERR_INVALID_PARAMETER); /* pcbRead is optional. */ int rc = VINF_SUCCESS; uint32_t cbReadTotal = 0; PRTCIRCBUF pCircBuf = pSrcStream->State.pCircBuf; AssertPtr(pCircBuf); void *pvSrc; size_t cbSrc; while (cbToRead) { uint32_t cbWritten = 0; RTCircBufAcquireReadBlock(pCircBuf, cbToRead, &pvSrc, &cbSrc); if (cbSrc) { #ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA RTFILE fh; RTFileOpen(&fh, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97StreamRead.pcm", RTFILE_O_OPEN_CREATE | RTFILE_O_APPEND | RTFILE_O_WRITE | RTFILE_O_DENY_NONE); RTFileWrite(fh, pvSrc, cbSrc, NULL); RTFileClose(fh); #endif rc = AudioMixerSinkWrite(pDstMixSink, AUDMIXOP_COPY, pvSrc, (uint32_t)cbSrc, &cbWritten); if (RT_SUCCESS(rc)) { Assert(cbWritten <= cbSrc); cbReadTotal += cbWritten; Assert(cbToRead >= cbWritten); cbToRead -= cbWritten; } } RTCircBufReleaseReadBlock(pCircBuf, cbWritten); if ( !cbWritten || !RTCircBufUsed(pCircBuf)) break; if (RT_FAILURE(rc)) break; } if (pcbRead) *pcbRead = cbReadTotal; return rc; } #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO /** * Asynchronous I/O thread for an AC'97 stream. * This will do the heavy lifting work for us as soon as it's getting notified by another thread. * * @returns IPRT status code. * @param hThreadSelf Thread handle. * @param pvUser User argument. Must be of type PAC97STREAMTHREADCTX. */ static DECLCALLBACK(int) ichac97StreamAsyncIOThread(RTTHREAD hThreadSelf, void *pvUser) { PAC97STREAMTHREADCTX pCtx = (PAC97STREAMTHREADCTX)pvUser; AssertPtr(pCtx); PAC97STATE pThis = pCtx->pThis; AssertPtr(pThis); PAC97STREAM pStream = pCtx->pStream; AssertPtr(pStream); PAC97STREAMSTATEAIO pAIO = &pCtx->pStream->State.AIO; PRTCIRCBUF pCircBuf = pStream->State.pCircBuf; AssertPtr(pCircBuf); PAUDMIXSINK pMixSink = ichac97IndexToSink(pThis, pStream->u8SD); AssertPtr(pMixSink); ASMAtomicXchgBool(&pAIO->fStarted, true); RTThreadUserSignal(hThreadSelf); LogFunc(("[SD%RU8] Started\n", pStream->u8SD)); for (;;) { Log2Func(("[SD%RU8] Waiting ...\n", pStream->u8SD)); int rc2 = RTSemEventWait(pAIO->Event, RT_INDEFINITE_WAIT); if (RT_FAILURE(rc2)) break; if (ASMAtomicReadBool(&pAIO->fShutdown)) break; rc2 = RTCritSectEnter(&pAIO->CritSect); if (RT_SUCCESS(rc2)) { if (!pAIO->fEnabled) { RTCritSectLeave(&pAIO->CritSect); continue; } ichac97StreamUpdate(pThis, pStream, false /* fInTimer */); int rc3 = RTCritSectLeave(&pAIO->CritSect); AssertRC(rc3); } AssertRC(rc2); } LogFunc(("[SD%RU8] Ended\n", pStream->u8SD)); ASMAtomicXchgBool(&pAIO->fStarted, false); return VINF_SUCCESS; } /** * Creates the async I/O thread for a specific AC'97 audio stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 audio stream to create the async I/O thread for. */ static int ichac97StreamAsyncIOCreate(PAC97STATE pThis, PAC97STREAM pStream) { PAC97STREAMSTATEAIO pAIO = &pStream->State.AIO; int rc; if (!ASMAtomicReadBool(&pAIO->fStarted)) { pAIO->fShutdown = false; rc = RTSemEventCreate(&pAIO->Event); if (RT_SUCCESS(rc)) { rc = RTCritSectInit(&pAIO->CritSect); if (RT_SUCCESS(rc)) { AC97STREAMTHREADCTX Ctx = { pThis, pStream }; char szThreadName[64]; RTStrPrintf2(szThreadName, sizeof(szThreadName), "ac97AIO%RU8", pStream->u8SD); rc = RTThreadCreate(&pAIO->Thread, ichac97StreamAsyncIOThread, &Ctx, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, szThreadName); if (RT_SUCCESS(rc)) rc = RTThreadUserWait(pAIO->Thread, 10 * 1000 /* 10s timeout */); } } } else rc = VINF_SUCCESS; LogFunc(("[SD%RU8] Returning %Rrc\n", pStream->u8SD, rc)); return rc; } /** * Destroys the async I/O thread of a specific AC'97 audio stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 audio stream to destroy the async I/O thread for. */ static int ichac97StreamAsyncIODestroy(PAC97STATE pThis, PAC97STREAM pStream) { PAC97STREAMSTATEAIO pAIO = &pStream->State.AIO; if (!ASMAtomicReadBool(&pAIO->fStarted)) return VINF_SUCCESS; ASMAtomicWriteBool(&pAIO->fShutdown, true); int rc = ichac97StreamAsyncIONotify(pThis, pStream); AssertRC(rc); int rcThread; rc = RTThreadWait(pAIO->Thread, 30 * 1000 /* 30s timeout */, &rcThread); LogFunc(("Async I/O thread ended with %Rrc (%Rrc)\n", rc, rcThread)); if (RT_SUCCESS(rc)) { rc = RTCritSectDelete(&pAIO->CritSect); AssertRC(rc); rc = RTSemEventDestroy(pAIO->Event); AssertRC(rc); pAIO->fStarted = false; pAIO->fShutdown = false; pAIO->fEnabled = false; } LogFunc(("[SD%RU8] Returning %Rrc\n", pStream->u8SD, rc)); return rc; } /** * Lets the stream's async I/O thread know that there is some data to process. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to notify async I/O thread for. */ static int ichac97StreamAsyncIONotify(PAC97STATE pThis, PAC97STREAM pStream) { RT_NOREF(pThis); LogFunc(("[SD%RU8]\n", pStream->u8SD)); return RTSemEventSignal(pStream->State.AIO.Event); } /** * Locks the async I/O thread of a specific AC'97 audio stream. * * @param pStream AC'97 stream to lock async I/O thread for. */ static void ichac97StreamAsyncIOLock(PAC97STREAM pStream) { PAC97STREAMSTATEAIO pAIO = &pStream->State.AIO; if (!ASMAtomicReadBool(&pAIO->fStarted)) return; int rc2 = RTCritSectEnter(&pAIO->CritSect); AssertRC(rc2); } /** * Unlocks the async I/O thread of a specific AC'97 audio stream. * * @param pStream AC'97 stream to unlock async I/O thread for. */ static void ichac97StreamAsyncIOUnlock(PAC97STREAM pStream) { PAC97STREAMSTATEAIO pAIO = &pStream->State.AIO; if (!ASMAtomicReadBool(&pAIO->fStarted)) return; int rc2 = RTCritSectLeave(&pAIO->CritSect); AssertRC(rc2); } /** * Enables (resumes) or disables (pauses) the async I/O thread. * * @param pStream AC'97 stream to enable/disable async I/O thread for. * @param fEnable Whether to enable or disable the I/O thread. * * @remarks Does not do locking. */ static void ichac97StreamAsyncIOEnable(PAC97STREAM pStream, bool fEnable) { PAC97STREAMSTATEAIO pAIO = &pStream->State.AIO; ASMAtomicXchgBool(&pAIO->fEnabled, fEnable); } #endif /* VBOX_WITH_AUDIO_AC97_ASYNC_IO */ /** * Updates an AC'97 stream by doing its required data transfers. * The host sink(s) set the overall pace. * * This routine is called by both, the synchronous and the asynchronous, implementations. * * @param pThis AC'97 state. * @param pStream AC'97 stream to update. * @param fInTimer Whether to this function was called from the timer * context or an asynchronous I/O stream thread (if supported). */ static void ichac97StreamUpdate(PAC97STATE pThis, PAC97STREAM pStream, bool fInTimer) { PAUDMIXSINK pSink = ichac97IndexToSink(pThis, pStream->u8SD); AssertPtr(pSink); if (!AudioMixerSinkIsActive(pSink)) /* No sink available? Bail out. */ return; int rc2; if (pStream->u8SD == AC97SOUNDSOURCE_PO_INDEX) /* Output (SDO). */ { /* Is the AC'97 stream ready to be written (guest output data) to? If so, by how much? */ const uint32_t cbFree = ichac97StreamGetFree(pStream); if ( fInTimer && cbFree) { Log3Func(("[SD%RU8] cbFree=%RU32\n", pStream->u8SD, cbFree)); /* Do the DMA transfer. */ rc2 = ichac97StreamTransfer(pThis, pStream, cbFree); AssertRC(rc2); } /* How much (guest output) data is available at the moment for the AC'97 stream? */ uint32_t cbUsed = ichac97StreamGetUsed(pStream); #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO if ( fInTimer && cbUsed) { rc2 = ichac97StreamAsyncIONotify(pThis, pStream); AssertRC(rc2); } else { #endif const uint32_t cbSinkWritable = AudioMixerSinkGetWritable(pSink); /* Do not write more than the sink can hold at the moment. * The host sets the overall pace. */ if (cbUsed > cbSinkWritable) cbUsed = cbSinkWritable; if (cbUsed) { /* Read (guest output) data and write it to the stream's sink. */ uint32_t cbRead; rc2 = ichac97StreamRead(pThis, pStream, pSink, cbUsed, &cbRead); AssertRC(rc2); AssertMsg(cbUsed == cbRead, ("[SD%RU8] %RU32 bytes announced to be ready to read but %RU32 bytes read\n", pStream->u8SD, cbUsed, cbRead)); } /* When running synchronously, update the associated sink here. * Otherwise this will be done in the device timer. */ rc2 = AudioMixerSinkUpdate(pSink); AssertRC(rc2); #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO } #endif } else /* Input (SDI). */ { #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO if (fInTimer) { rc2 = ichac97StreamAsyncIONotify(pThis, pStream); AssertRC(rc2); } else { #endif rc2 = AudioMixerSinkUpdate(pSink); AssertRC(rc2); /* Is the sink ready to be read (host input data) from? If so, by how much? */ const uint32_t cbReadable = AudioMixerSinkGetReadable(pSink); /* How much (guest input) data is free at the moment? */ uint32_t cbFree = ichac97StreamGetFree(pStream); Log3Func(("[SD%RU8] cbReadable=%RU32, cbFree=%RU32\n", pStream->u8SD, cbReadable, cbFree)); /* Do not read more than the sink can provide at the moment. * The host sets the overall pace. */ if (cbFree > cbReadable) cbFree = cbReadable; if (cbFree) { /* Write (guest input) data to the stream which was read from stream's sink before. */ rc2 = ichac97StreamWrite(pThis, pStream, pSink, cbFree, NULL /* pcbWritten */); AssertRC(rc2); } #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO } #endif #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO if (fInTimer) { #endif const uint32_t cbToTransfer = ichac97StreamGetUsed(pStream); if (cbToTransfer) { /* When running synchronously, do the DMA data transfers here. * Otherwise this will be done in the stream's async I/O thread. */ rc2 = ichac97StreamTransfer(pThis, pStream, cbToTransfer); AssertRC(rc2); } #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO } #endif } } /** * Sets a AC'97 mixer control to a specific value. * * @returns IPRT status code. * @param pThis AC'97 state. * @param uMixerIdx Mixer control to set value for. * @param uVal Value to set. */ static void ichac97MixerSet(PAC97STATE pThis, uint8_t uMixerIdx, uint16_t uVal) { if (size_t(uMixerIdx + 2) > sizeof(pThis->mixer_data)) { AssertMsgFailed(("Index %RU8 out of bounds(%zu)\n", uMixerIdx, sizeof(pThis->mixer_data))); return; } pThis->mixer_data[uMixerIdx + 0] = RT_LO_U8(uVal); pThis->mixer_data[uMixerIdx + 1] = RT_HI_U8(uVal); } /** * Gets a value from a specific AC'97 mixer control. * * @returns Retrieved mixer control value. * @param pThis AC'97 state. * @param uMixerIdx Mixer control to get value for. */ static uint16_t ichac97MixerGet(PAC97STATE pThis, uint32_t uMixerIdx) { uint16_t uVal; if (size_t(uMixerIdx + 2) > sizeof(pThis->mixer_data)) { AssertMsgFailed(("Index %RU8 out of bounds (%zu)\n", uMixerIdx, sizeof(pThis->mixer_data))); uVal = UINT16_MAX; } else uVal = RT_MAKE_U16(pThis->mixer_data[uMixerIdx + 0], pThis->mixer_data[uMixerIdx + 1]); return uVal; } /** * Retrieves a specific driver stream of a AC'97 driver. * * @returns Pointer to driver stream if found, or NULL if not found. * @param pThis AC'97 state. * @param pDrv Driver to retrieve driver stream for. * @param enmDir Stream direction to retrieve. * @param dstSrc Stream destination / source to retrieve. */ static PAC97DRIVERSTREAM ichac97MixerGetDrvStream(PAC97STATE pThis, PAC97DRIVER pDrv, PDMAUDIODIR enmDir, PDMAUDIODESTSOURCE dstSrc) { RT_NOREF(pThis); PAC97DRIVERSTREAM pDrvStream = NULL; if (enmDir == PDMAUDIODIR_IN) { LogFunc(("enmRecSource=%d\n", dstSrc.Source)); switch (dstSrc.Source) { case PDMAUDIORECSOURCE_LINE: pDrvStream = &pDrv->LineIn; break; case PDMAUDIORECSOURCE_MIC: pDrvStream = &pDrv->MicIn; break; default: AssertFailed(); break; } } else if (enmDir == PDMAUDIODIR_OUT) { LogFunc(("enmPlaybackDest=%d\n", dstSrc.Dest)); switch (dstSrc.Dest) { case PDMAUDIOPLAYBACKDEST_FRONT: pDrvStream = &pDrv->Out; break; default: AssertFailed(); break; } } else AssertFailed(); return pDrvStream; } /** * Adds a driver stream to a specific mixer sink. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pMixSink Mixer sink to add driver stream to. * @param pCfg Stream configuration to use. * @param pDrv Driver stream to add. */ static int ichac97MixerAddDrvStream(PAC97STATE pThis, PAUDMIXSINK pMixSink, PPDMAUDIOSTREAMCFG pCfg, PAC97DRIVER pDrv) { AssertPtrReturn(pThis, VERR_INVALID_POINTER); AssertPtrReturn(pMixSink, VERR_INVALID_POINTER); AssertPtrReturn(pCfg, VERR_INVALID_POINTER); PPDMAUDIOSTREAMCFG pStreamCfg = DrvAudioHlpStreamCfgDup(pCfg); if (!pStreamCfg) return VERR_NO_MEMORY; if (!RTStrPrintf(pStreamCfg->szName, sizeof(pStreamCfg->szName), "%s", pCfg->szName)) { RTMemFree(pStreamCfg); return VERR_BUFFER_OVERFLOW; } LogFunc(("[LUN#%RU8] %s\n", pDrv->uLUN, pStreamCfg->szName)); int rc; PAC97DRIVERSTREAM pDrvStream = ichac97MixerGetDrvStream(pThis, pDrv, pStreamCfg->enmDir, pStreamCfg->DestSource); if (pDrvStream) { AssertMsg(pDrvStream->pMixStrm == NULL, ("[LUN#%RU8] Driver stream already present when it must not\n", pDrv->uLUN)); PAUDMIXSTREAM pMixStrm; rc = AudioMixerSinkCreateStream(pMixSink, pDrv->pConnector, pStreamCfg, 0 /* fFlags */, &pMixStrm); if (RT_SUCCESS(rc)) { rc = AudioMixerSinkAddStream(pMixSink, pMixStrm); LogFlowFunc(("LUN#%RU8: Created stream \"%s\", rc=%Rrc\n", pDrv->uLUN, pCfg->szName, rc)); } if (RT_SUCCESS(rc)) pDrvStream->pMixStrm = pMixStrm; } else rc = VERR_INVALID_PARAMETER; if (pStreamCfg) { RTMemFree(pStreamCfg); pStreamCfg = NULL; } LogFlowFuncLeaveRC(rc); return rc; } /** * Adds all current driver streams to a specific mixer sink. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pMixSink Mixer sink to add stream to. * @param pCfg Stream configuration to use. */ static int ichac97MixerAddDrvStreams(PAC97STATE pThis, PAUDMIXSINK pMixSink, PPDMAUDIOSTREAMCFG pCfg) { AssertPtrReturn(pThis, VERR_INVALID_POINTER); AssertPtrReturn(pMixSink, VERR_INVALID_POINTER); AssertPtrReturn(pCfg, VERR_INVALID_POINTER); if (!DrvAudioHlpStreamCfgIsValid(pCfg)) return VERR_INVALID_PARAMETER; int rc = AudioMixerSinkSetFormat(pMixSink, &pCfg->Props); if (RT_FAILURE(rc)) return rc; PAC97DRIVER pDrv; RTListForEach(&pThis->lstDrv, pDrv, AC97DRIVER, Node) { int rc2 = ichac97MixerAddDrvStream(pThis, pMixSink, pCfg, pDrv); if (RT_FAILURE(rc2)) LogFunc(("Attaching stream failed with %Rrc\n", rc2)); /* Do not pass failure to rc here, as there might be drivers which aren't * configured / ready yet. */ } LogFlowFuncLeaveRC(rc); return rc; } /** * Removes a driver stream from a specific mixer sink. * * @param pThis AC'97 state. * @param pMixSink Mixer sink to remove audio streams from. * @param enmDir Stream direction to remove. * @param dstSrc Stream destination / source to remove. * @param pDrv Driver stream to remove. */ static void ichac97MixerRemoveDrvStream(PAC97STATE pThis, PAUDMIXSINK pMixSink, PDMAUDIODIR enmDir, PDMAUDIODESTSOURCE dstSrc, PAC97DRIVER pDrv) { AssertPtrReturnVoid(pThis); AssertPtrReturnVoid(pMixSink); PAC97DRIVERSTREAM pDrvStream = ichac97MixerGetDrvStream(pThis, pDrv, enmDir, dstSrc); if (pDrvStream) { if (pDrvStream->pMixStrm) { AudioMixerSinkRemoveStream(pMixSink, pDrvStream->pMixStrm); AudioMixerStreamDestroy(pDrvStream->pMixStrm); pDrvStream->pMixStrm = NULL; } } } /** * Removes all driver streams from a specific mixer sink. * * @param pThis AC'97 state. * @param pMixSink Mixer sink to remove audio streams from. * @param enmDir Stream direction to remove. * @param dstSrc Stream destination / source to remove. */ static void ichac97MixerRemoveDrvStreams(PAC97STATE pThis, PAUDMIXSINK pMixSink, PDMAUDIODIR enmDir, PDMAUDIODESTSOURCE dstSrc) { AssertPtrReturnVoid(pThis); AssertPtrReturnVoid(pMixSink); PAC97DRIVER pDrv; RTListForEach(&pThis->lstDrv, pDrv, AC97DRIVER, Node) ichac97MixerRemoveDrvStream(pThis, pMixSink, enmDir, dstSrc, pDrv); } /** * Opens an AC'97 stream with its current mixer settings. * * This will open an AC'97 stream with 2 (stereo) channels, 16-bit samples and * the last set sample rate in the AC'97 mixer for this stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 Stream to open. */ static int ichac97StreamOpen(PAC97STATE pThis, PAC97STREAM pStream) { int rc = VINF_SUCCESS; LogFunc(("[SD%RU8]\n", pStream->u8SD)); RT_ZERO(pStream->State.Cfg); PPDMAUDIOSTREAMCFG pCfg = &pStream->State.Cfg; PAUDMIXSINK pMixSink = NULL; switch (pStream->u8SD) { case AC97SOUNDSOURCE_PI_INDEX: { pCfg->Props.uHz = ichac97MixerGet(pThis, AC97_PCM_LR_ADC_Rate); pCfg->enmDir = PDMAUDIODIR_IN; pCfg->DestSource.Source = PDMAUDIORECSOURCE_LINE; pCfg->enmLayout = PDMAUDIOSTREAMLAYOUT_NON_INTERLEAVED; RTStrPrintf2(pCfg->szName, sizeof(pCfg->szName), "Line-In"); pMixSink = pThis->pSinkLineIn; break; } case AC97SOUNDSOURCE_MC_INDEX: { pCfg->Props.uHz = ichac97MixerGet(pThis, AC97_MIC_ADC_Rate); pCfg->enmDir = PDMAUDIODIR_IN; pCfg->DestSource.Source = PDMAUDIORECSOURCE_MIC; pCfg->enmLayout = PDMAUDIOSTREAMLAYOUT_NON_INTERLEAVED; RTStrPrintf2(pCfg->szName, sizeof(pCfg->szName), "Mic-In"); pMixSink = pThis->pSinkMicIn; break; } case AC97SOUNDSOURCE_PO_INDEX: { pCfg->Props.uHz = ichac97MixerGet(pThis, AC97_PCM_Front_DAC_Rate); pCfg->enmDir = PDMAUDIODIR_OUT; pCfg->DestSource.Dest = PDMAUDIOPLAYBACKDEST_FRONT; pCfg->enmLayout = PDMAUDIOSTREAMLAYOUT_NON_INTERLEAVED; RTStrPrintf2(pCfg->szName, sizeof(pCfg->szName), "Output"); pMixSink = pThis->pSinkOut; break; } default: rc = VERR_NOT_SUPPORTED; break; } if (RT_SUCCESS(rc)) { ichac97MixerRemoveDrvStreams(pThis, pMixSink, pCfg->enmDir, pCfg->DestSource); if (pCfg->Props.uHz) { Assert(pCfg->enmDir != PDMAUDIODIR_UNKNOWN); pCfg->Props.cChannels = 2; pCfg->Props.cBits = 16; pCfg->Props.fSigned = true; pCfg->Props.cShift = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfg->Props.cBits, pCfg->Props.cChannels); rc = ichac97MixerAddDrvStreams(pThis, pMixSink, pCfg); } } LogFlowFunc(("[SD%RU8] rc=%Rrc\n", pStream->u8SD, rc)); return rc; } /** * Closes an AC'97 stream. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to close. */ static int ichac97StreamClose(PAC97STATE pThis, PAC97STREAM pStream) { RT_NOREF(pThis); RT_NOREF(pStream); LogFlowFunc(("[SD%RU8]\n", pStream->u8SD)); return VINF_SUCCESS; } /** * Re-opens (that is, closes and opens again) an AC'97 stream on the backend * side with the current AC'97 mixer settings for this stream. * * @returns IPRT status code. * @param pThis AC'97 device state. * @param pStream AC'97 stream to re-open. */ static int ichac97StreamReOpen(PAC97STATE pThis, PAC97STREAM pStream) { LogFlowFunc(("[SD%RU8]\n", pStream->u8SD)); int rc = ichac97StreamClose(pThis, pStream); if (RT_SUCCESS(rc)) rc = ichac97StreamOpen(pThis, pStream); return rc; } /** * Locks an AC'97 stream for serialized access. * * @returns IPRT status code. * @param pStream AC'97 stream to lock. */ static void ichac97StreamLock(PAC97STREAM pStream) { AssertPtrReturnVoid(pStream); int rc2 = RTCritSectEnter(&pStream->State.CritSect); AssertRC(rc2); } /** * Unlocks a formerly locked AC'97 stream. * * @returns IPRT status code. * @param pStream AC'97 stream to unlock. */ static void ichac97StreamUnlock(PAC97STREAM pStream) { AssertPtrReturnVoid(pStream); int rc2 = RTCritSectLeave(&pStream->State.CritSect); AssertRC(rc2); } /** * Retrieves the available size of (buffered) audio data (in bytes) of a given AC'97 stream. * * @returns Available data (in bytes). * @param pStream AC'97 stream to retrieve size for. */ static uint32_t ichac97StreamGetUsed(PAC97STREAM pStream) { AssertPtrReturn(pStream, 0); if (!pStream->State.pCircBuf) return 0; return (uint32_t)RTCircBufUsed(pStream->State.pCircBuf); } /** * Retrieves the free size of audio data (in bytes) of a given AC'97 stream. * * @returns Free data (in bytes). * @param pStream AC'97 stream to retrieve size for. */ static uint32_t ichac97StreamGetFree(PAC97STREAM pStream) { AssertPtrReturn(pStream, 0); if (!pStream->State.pCircBuf) return 0; return (uint32_t)RTCircBufFree(pStream->State.pCircBuf); } /** * Sets the volume of a specific AC'97 mixer control. * * This currently only supports attenuation -- gain support is currently not implemented. * * @returns IPRT status code. * @param pThis AC'97 state. * @param index AC'97 mixer index to set volume for. * @param enmMixerCtl Corresponding audio mixer sink. * @param uVal Volume value to set. */ static int ichac97MixerSetVolume(PAC97STATE pThis, int index, PDMAUDIOMIXERCTL enmMixerCtl, uint32_t uVal) { /* * From AC'97 SoundMax Codec AD1981A/AD1981B: * "Because AC '97 defines 6-bit volume registers, to maintain compatibility whenever the * D5 or D13 bits are set to 1, their respective lower five volume bits are automatically * set to 1 by the Codec logic. On readback, all lower 5 bits will read ones whenever * these bits are set to 1." * * Linux ALSA depends on this behavior. */ /// @todo Does this apply to anything other than the master volume control? if (uVal & RT_BIT(5)) /* D5 bit set? */ uVal |= RT_BIT(4) | RT_BIT(3) | RT_BIT(2) | RT_BIT(1) | RT_BIT(0); if (uVal & RT_BIT(13)) /* D13 bit set? */ uVal |= RT_BIT(12) | RT_BIT(11) | RT_BIT(10) | RT_BIT(9) | RT_BIT(8); const bool fCtlMuted = (uVal >> AC97_BARS_VOL_MUTE_SHIFT) & 1; uint8_t uCtlAttLeft = (uVal >> 8) & AC97_BARS_VOL_MASK; uint8_t uCtlAttRight = uVal & AC97_BARS_VOL_MASK; /* For the master and headphone volume, 0 corresponds to 0dB attenuation. For the other * volume controls, 0 means 12dB gain and 8 means unity gain. */ if (index != AC97_Master_Volume_Mute && index != AC97_Headphone_Volume_Mute) { #ifndef VBOX_WITH_AC97_GAIN_SUPPORT /* NB: Currently there is no gain support, only attenuation. */ uCtlAttLeft = uCtlAttLeft < 8 ? 0 : uCtlAttLeft - 8; uCtlAttRight = uCtlAttRight < 8 ? 0 : uCtlAttRight - 8; #endif } Assert(uCtlAttLeft <= 255 / AC97_DB_FACTOR); Assert(uCtlAttRight <= 255 / AC97_DB_FACTOR); LogFunc(("index=0x%x, uVal=%RU32, enmMixerCtl=%RU32\n", index, uVal, enmMixerCtl)); LogFunc(("uCtlAttLeft=%RU8, uCtlAttRight=%RU8 ", uCtlAttLeft, uCtlAttRight)); /* * For AC'97 volume controls, each additional step means -1.5dB attenuation with * zero being maximum. In contrast, we're internally using 255 (PDMAUDIO_VOLUME_MAX) * steps, each -0.375dB, where 0 corresponds to -96dB and 255 corresponds to 0dB. */ uint8_t lVol = PDMAUDIO_VOLUME_MAX - uCtlAttLeft * AC97_DB_FACTOR; uint8_t rVol = PDMAUDIO_VOLUME_MAX - uCtlAttRight * AC97_DB_FACTOR; Log(("-> fMuted=%RTbool, lVol=%RU8, rVol=%RU8\n", fCtlMuted, lVol, rVol)); int rc = VINF_SUCCESS; if (pThis->pMixer) /* Device can be in reset state, so no mixer available. */ { PDMAUDIOVOLUME Vol = { fCtlMuted, lVol, rVol }; PAUDMIXSINK pSink = NULL; switch (enmMixerCtl) { case PDMAUDIOMIXERCTL_VOLUME_MASTER: rc = AudioMixerSetMasterVolume(pThis->pMixer, &Vol); break; case PDMAUDIOMIXERCTL_FRONT: pSink = pThis->pSinkOut; break; case PDMAUDIOMIXERCTL_MIC_IN: pSink = pThis->pSinkMicIn; break; case PDMAUDIOMIXERCTL_LINE_IN: pSink = pThis->pSinkLineIn; break; default: AssertFailed(); rc = VERR_NOT_SUPPORTED; break; } if (pSink) rc = AudioMixerSinkSetVolume(pSink, &Vol); } ichac97MixerSet(pThis, index, uVal); if (RT_FAILURE(rc)) LogFlowFunc(("Failed with %Rrc\n", rc)); return rc; } /** * Converts an AC'97 recording source index to a PDM audio recording source. * * @returns PDM audio recording source. * @param uIdx AC'97 index to convert. */ static PDMAUDIORECSOURCE ichac97IdxToRecSource(uint8_t uIdx) { switch (uIdx) { case AC97_REC_MIC: return PDMAUDIORECSOURCE_MIC; case AC97_REC_CD: return PDMAUDIORECSOURCE_CD; case AC97_REC_VIDEO: return PDMAUDIORECSOURCE_VIDEO; case AC97_REC_AUX: return PDMAUDIORECSOURCE_AUX; case AC97_REC_LINE_IN: return PDMAUDIORECSOURCE_LINE; case AC97_REC_PHONE: return PDMAUDIORECSOURCE_PHONE; default: break; } LogFlowFunc(("Unknown record source %d, using MIC\n", uIdx)); return PDMAUDIORECSOURCE_MIC; } /** * Converts a PDM audio recording source to an AC'97 recording source index. * * @returns AC'97 recording source index. * @param enmRecSrc PDM audio recording source to convert. */ static uint8_t ichac97RecSourceToIdx(PDMAUDIORECSOURCE enmRecSrc) { switch (enmRecSrc) { case PDMAUDIORECSOURCE_MIC: return AC97_REC_MIC; case PDMAUDIORECSOURCE_CD: return AC97_REC_CD; case PDMAUDIORECSOURCE_VIDEO: return AC97_REC_VIDEO; case PDMAUDIORECSOURCE_AUX: return AC97_REC_AUX; case PDMAUDIORECSOURCE_LINE: return AC97_REC_LINE_IN; case PDMAUDIORECSOURCE_PHONE: return AC97_REC_PHONE; default: break; } LogFlowFunc(("Unknown audio recording source %d using MIC\n", enmRecSrc)); return AC97_REC_MIC; } /** * Retrieves an AC'97 audio stream from an AC'97 stream index. * * @returns Pointer to AC'97 audio stream if found, or NULL if not found / invalid. * @param pThis AC'97 state. * @param uIdx AC'97 stream index to retrieve AC'97 audio stream for. */ DECLINLINE(PAC97STREAM) ichac97GetStreamFromIdx(PAC97STATE pThis, uint32_t uIdx) { switch (uIdx) { case AC97SOUNDSOURCE_PI_INDEX: return &pThis->StreamLineIn; case AC97SOUNDSOURCE_MC_INDEX: return &pThis->StreamMicIn; case AC97SOUNDSOURCE_PO_INDEX: return &pThis->StreamOut; default: break; } return NULL; } /** * Performs an AC'97 mixer record select to switch to a different recording * source. * * @param pThis AC'97 state. * @param val AC'97 recording source index to set. */ static void ichac97MixerRecordSelect(PAC97STATE pThis, uint32_t val) { uint8_t rs = val & AC97_REC_MASK; uint8_t ls = (val >> 8) & AC97_REC_MASK; PDMAUDIORECSOURCE ars = ichac97IdxToRecSource(rs); PDMAUDIORECSOURCE als = ichac97IdxToRecSource(ls); rs = ichac97RecSourceToIdx(ars); ls = ichac97RecSourceToIdx(als); ichac97MixerSet(pThis, AC97_Record_Select, rs | (ls << 8)); } /** * Resets the AC'97 mixer. * * @returns IPRT status code. * @param pThis AC'97 state. */ static int ichac97MixerReset(PAC97STATE pThis) { AssertPtrReturn(pThis, VERR_INVALID_PARAMETER); LogFlowFuncEnter(); RT_ZERO(pThis->mixer_data); /* Note: Make sure to reset all registers first before bailing out on error. */ ichac97MixerSet(pThis, AC97_Reset , 0x0000); /* 6940 */ ichac97MixerSet(pThis, AC97_Master_Volume_Mono_Mute , 0x8000); ichac97MixerSet(pThis, AC97_PC_BEEP_Volume_Mute , 0x0000); ichac97MixerSet(pThis, AC97_Phone_Volume_Mute , 0x8008); ichac97MixerSet(pThis, AC97_Mic_Volume_Mute , 0x8008); ichac97MixerSet(pThis, AC97_CD_Volume_Mute , 0x8808); ichac97MixerSet(pThis, AC97_Aux_Volume_Mute , 0x8808); ichac97MixerSet(pThis, AC97_Record_Gain_Mic_Mute , 0x8000); ichac97MixerSet(pThis, AC97_General_Purpose , 0x0000); ichac97MixerSet(pThis, AC97_3D_Control , 0x0000); ichac97MixerSet(pThis, AC97_Powerdown_Ctrl_Stat , 0x000f); ichac97MixerSet(pThis, AC97_Extended_Audio_ID , 0x0809); ichac97MixerSet(pThis, AC97_Extended_Audio_Ctrl_Stat, 0x0009); ichac97MixerSet(pThis, AC97_PCM_Front_DAC_Rate , 0xbb80); ichac97MixerSet(pThis, AC97_PCM_Surround_DAC_Rate , 0xbb80); ichac97MixerSet(pThis, AC97_PCM_LFE_DAC_Rate , 0xbb80); ichac97MixerSet(pThis, AC97_PCM_LR_ADC_Rate , 0xbb80); ichac97MixerSet(pThis, AC97_MIC_ADC_Rate , 0xbb80); if (pThis->uCodecModel == AC97_CODEC_AD1980) { /* Analog Devices 1980 (AD1980) */ ichac97MixerSet(pThis, AC97_Reset , 0x0010); /* Headphones. */ ichac97MixerSet(pThis, AC97_Vendor_ID1 , 0x4144); ichac97MixerSet(pThis, AC97_Vendor_ID2 , 0x5370); ichac97MixerSet(pThis, AC97_Headphone_Volume_Mute , 0x8000); } else if (pThis->uCodecModel == AC97_CODEC_AD1981B) { /* Analog Devices 1981B (AD1981B) */ ichac97MixerSet(pThis, AC97_Vendor_ID1 , 0x4144); ichac97MixerSet(pThis, AC97_Vendor_ID2 , 0x5374); } else { /* Sigmatel 9700 (STAC9700) */ ichac97MixerSet(pThis, AC97_Vendor_ID1 , 0x8384); ichac97MixerSet(pThis, AC97_Vendor_ID2 , 0x7600); /* 7608 */ } ichac97MixerRecordSelect(pThis, 0); /* The default value is 8000h, which corresponds to 0 dB attenuation with mute on. */ ichac97MixerSetVolume(pThis, AC97_Master_Volume_Mute, PDMAUDIOMIXERCTL_VOLUME_MASTER, 0x8000); /* The default value for stereo registers is 8808h, which corresponds to 0 dB gain with mute on.*/ ichac97MixerSetVolume(pThis, AC97_PCM_Out_Volume_Mute, PDMAUDIOMIXERCTL_FRONT, 0x8808); ichac97MixerSetVolume(pThis, AC97_Line_In_Volume_Mute, PDMAUDIOMIXERCTL_LINE_IN, 0x8808); ichac97MixerSetVolume(pThis, AC97_Mic_Volume_Mute, PDMAUDIOMIXERCTL_MIC_IN, 0x8808); return VINF_SUCCESS; } /* Unused */ #if 0 static void ichac97WriteBUP(PAC97STATE pThis, uint32_t cbElapsed) { LogFlowFunc(("cbElapsed=%RU32\n", cbElapsed)); if (!(pThis->bup_flag & BUP_SET)) { if (pThis->bup_flag & BUP_LAST) { unsigned int i; uint32_t *p = (uint32_t*)pThis->silence; for (i = 0; i < sizeof(pThis->silence) / 4; i++) /** @todo r=andy Assumes 16-bit samples, stereo. */ *p++ = pThis->last_samp; } else RT_ZERO(pThis->silence); pThis->bup_flag |= BUP_SET; } while (cbElapsed) { uint32_t cbToWrite = RT_MIN(cbElapsed, (uint32_t)sizeof(pThis->silence)); uint32_t cbWrittenToStream; int rc2 = AudioMixerSinkWrite(pThis->pSinkOut, AUDMIXOP_COPY, pThis->silence, cbToWrite, &cbWrittenToStream); if (RT_SUCCESS(rc2)) { if (cbWrittenToStream < cbToWrite) /* Lagging behind? */ LogFlowFunc(("Warning: Only written %RU32 / %RU32 bytes, expect lags\n", cbWrittenToStream, cbToWrite)); } /* Always report all data as being written; * backends who were not able to catch up have to deal with it themselves. */ Assert(cbElapsed >= cbToWrite); cbElapsed -= cbToWrite; } } #endif /* Unused */ #ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS /** * Starts the internal audio device timer. * * @return IPRT status code. * @param pThis AC'97 state. */ static int ichac97TimerStart(PAC97STATE pThis) { LogFlowFuncEnter(); DEVAC97_LOCK_BOTH_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE); AssertPtr(pThis->pTimer); if (!pThis->fTimerActive) { LogRel2(("AC97: Starting transfers\n")); pThis->fTimerActive = true; /* Start transfers. */ ichac97TimerMain(pThis); } DEVAC97_UNLOCK_BOTH(pThis); return VINF_SUCCESS; } /** * Starts the internal audio device timer (if not started yet). * * @return IPRT status code. * @param pThis AC'97 state. */ static int ichac97TimerMaybeStart(PAC97STATE pThis) { LogFlowFuncEnter(); if (!pThis->pTimer) return VERR_WRONG_ORDER; pThis->cStreamsActive++; /* Only start the timer at the first active stream. */ if (pThis->cStreamsActive == 1) return ichac97TimerStart(pThis); return VINF_SUCCESS; } /** * Stops the internal audio device timer. * * @return IPRT status code. * @param pThis AC'97 state. */ static int ichac97TimerStop(PAC97STATE pThis) { LogFlowFuncEnter(); if (!pThis->pTimer) /* Only can happen on device construction time, so no locking needed here. */ return VINF_SUCCESS; DEVAC97_LOCK_BOTH_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE); if (pThis->fTimerActive) { LogRel2(("AC97: Stopping transfers ...\n")); pThis->fTimerActive = false; /* Note: Do not stop the timer via TMTimerStop() here, as there still might * be queued audio data which needs to be handled (e.g. played back) first * before actually stopping the timer for good. */ } DEVAC97_UNLOCK_BOTH(pThis); return VINF_SUCCESS; } /** * Decreases the active AC'97 streams count by one and * then checks if the internal audio device timer can be * stopped. * * @return IPRT status code. * @param pThis AC'97 state. */ static int ichac97TimerMaybeStop(PAC97STATE pThis) { LogFlowFuncEnter(); if (!pThis->pTimer) return VERR_WRONG_ORDER; if (pThis->cStreamsActive) /* Function can be called mupltiple times. */ { pThis->cStreamsActive--; if (pThis->cStreamsActive == 0) return ichac97TimerStop(pThis); } return VINF_SUCCESS; } /** * Main routine for the device timer. * * @param pThis AC'97 state. */ static void ichac97TimerMain(PAC97STATE pThis) { STAM_PROFILE_START(&pThis->StatTimer, a); DEVAC97_LOCK_BOTH_RETURN_VOID(pThis); uint64_t cTicksNow = TMTimerGet(pThis->pTimer); /* Update current time timestamp. */ pThis->uTimerTS = cTicksNow; /* Flag indicating whether to kick the timer again for the next DMA transfer or sink processing. */ bool fKickTimer = false; ichac97DoTransfers(pThis); /* Do we need to kick the timer again? */ if ( AudioMixerSinkIsActive(ichac97IndexToSink(pThis, pThis->StreamLineIn.u8SD)) || AudioMixerSinkIsActive(ichac97IndexToSink(pThis, pThis->StreamMicIn.u8SD)) || AudioMixerSinkIsActive(ichac97IndexToSink(pThis, pThis->StreamOut.u8SD))) { fKickTimer = true; } if ( ASMAtomicReadBool(&pThis->fTimerActive) || fKickTimer) { /* Kick the timer again. */ uint64_t cTicks = pThis->cTimerTicks; /** @todo adjust cTicks down by now much cbOutMin represents. */ TMTimerSet(pThis->pTimer, cTicksNow + cTicks); } else LogRel2(("AC97: Stopped transfers\n")); DEVAC97_UNLOCK_BOTH(pThis); STAM_PROFILE_STOP(&pThis->StatTimer, a); } /** * Timer callback which handles the audio data transfers on a periodic basis. * * @param pDevIns Device instance. * @param pTimer Timer which was used when calling this. * @param pvUser User argument as PAC97STATE. */ static DECLCALLBACK(void) ichac97Timer(PPDMDEVINS pDevIns, PTMTIMER pTimer, void *pvUser) { RT_NOREF(pDevIns, pTimer); PAC97STATE pThis = (PAC97STATE)pvUser; Assert(pThis == PDMINS_2_DATA(pDevIns, PAC97STATE)); AssertPtr(pThis); ichac97TimerMain(pThis); } #endif /* !VBOX_WITH_AUDIO_AC97_CALLBACKS */ /** * Main routine to perform the actual audio data transfers from the AC'97 streams * to the backend(s) and vice versa. * * @param pThis AC'97 state. */ static void ichac97DoTransfers(PAC97STATE pThis) { AssertPtrReturnVoid(pThis); ichac97StreamUpdate(pThis, &pThis->StreamLineIn, true /* fInTimer */); ichac97StreamUpdate(pThis, &pThis->StreamMicIn, true /* fInTimer */); ichac97StreamUpdate(pThis, &pThis->StreamOut, true /* fInTimer */); } /** * Transfers data of an AC'97 stream according to its usage (input / output). * * For an SDO (output) stream this means reading DMA data from the device to * the AC'97 stream's internal FIFO buffer. * * For an SDI (input) stream this is reading audio data from the AC'97 stream's * internal FIFO buffer and writing it as DMA data to the device. * * @returns IPRT status code. * @param pThis AC'97 state. * @param pStream AC'97 stream to update. * @param cbToProcessMax Maximum of data (in bytes) to process. */ static int ichac97StreamTransfer(PAC97STATE pThis, PAC97STREAM pStream, uint32_t cbToProcessMax) { AssertPtrReturn(pThis, VERR_INVALID_POINTER); AssertPtrReturn(pStream, VERR_INVALID_POINTER); AssertReturn(cbToProcessMax, VERR_INVALID_PARAMETER); ichac97StreamLock(pStream); PAC97BMREGS pRegs = &pStream->Regs; if (pRegs->sr & AC97_SR_DCH) /* Controller halted? */ { if (pRegs->cr & AC97_CR_RPBM) /* Bus master operation starts. */ { switch (pStream->u8SD) { case AC97SOUNDSOURCE_PO_INDEX: /*ichac97WriteBUP(pThis, cbToProcess);*/ break; default: break; } } ichac97StreamUnlock(pStream); return VINF_SUCCESS; } /* BCIS flag still set? Skip iteration. */ if (pRegs->sr & AC97_SR_BCIS) { Log3Func(("[SD%RU8] BCIS set\n", pStream->u8SD)); ichac97StreamUnlock(pStream); return VINF_SUCCESS; } uint32_t cbLeft = RT_MIN((uint32_t)(pRegs->picb << 1), cbToProcessMax); /** @todo r=andy Assumes 16bit samples. */ uint32_t cbProcessedTotal = 0; PRTCIRCBUF pCircBuf = pStream->State.pCircBuf; AssertPtr(pCircBuf); int rc = VINF_SUCCESS; Log3Func(("[SD%RU8] cbToProcessMax=%RU32, cbLeft=%RU32\n", pStream->u8SD, cbToProcessMax, cbLeft)); while (cbLeft) { if (!pRegs->bd_valid) { Log3Func(("Invalid buffer descriptor, fetching next one ...\n")); ichac97StreamFetchBDLE(pThis, pStream); } if (!pRegs->picb) /* Got a new buffer descriptor, that is, the position is 0? */ { Log3Func(("Fresh buffer descriptor %RU8 is empty, addr=%#x, len=%#x, skipping\n", pRegs->civ, pRegs->bd.addr, pRegs->bd.ctl_len)); if (pRegs->civ == pRegs->lvi) { pRegs->sr |= AC97_SR_DCH; /** @todo r=andy Also set CELV? */ pThis->bup_flag = 0; rc = VINF_EOF; break; } pRegs->sr &= ~AC97_SR_CELV; pRegs->civ = pRegs->piv; pRegs->piv = (pRegs->piv + 1) % AC97_MAX_BDLE; ichac97StreamFetchBDLE(pThis, pStream); continue; } uint32_t cbChunk = RT_MIN((uint32_t)(pRegs->picb << 1), cbLeft); /** @todo r=andy Assumes 16bit samples. */ Assert(cbChunk); switch (pStream->u8SD) { case AC97SOUNDSOURCE_PO_INDEX: /* Output */ { void *pvDst; size_t cbDst; RTCircBufAcquireWriteBlock(pCircBuf, cbChunk, &pvDst, &cbDst); if (cbDst) { int rc2 = PDMDevHlpPhysRead(pThis->CTX_SUFF(pDevIns), pRegs->bd.addr, (uint8_t *)pvDst, cbDst); AssertRC(rc2); #ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA RTFILE fh; RTFileOpen(&fh, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97DMARead.pcm", RTFILE_O_OPEN_CREATE | RTFILE_O_APPEND | RTFILE_O_WRITE | RTFILE_O_DENY_NONE); RTFileWrite(fh, pvDst, cbDst, NULL); RTFileClose(fh); #endif } RTCircBufReleaseWriteBlock(pCircBuf, cbDst); cbChunk = (uint32_t)cbDst; /* Update the current chunk size to what really has been written. */ break; } case AC97SOUNDSOURCE_PI_INDEX: /* Input */ case AC97SOUNDSOURCE_MC_INDEX: /* Input */ { void *pvSrc; size_t cbSrc; RTCircBufAcquireReadBlock(pCircBuf, cbChunk, &pvSrc, &cbSrc); if (cbSrc) { int rc2 = PDMDevHlpPhysWrite(pThis->CTX_SUFF(pDevIns), pRegs->bd.addr, (uint8_t *)pvSrc, cbSrc); AssertRC(rc2); #ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA RTFILE fh; RTFileOpen(&fh, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97DMAWrite.pcm", RTFILE_O_OPEN_CREATE | RTFILE_O_APPEND | RTFILE_O_WRITE | RTFILE_O_DENY_NONE); RTFileWrite(fh, pvSrc, cbSrc, NULL); RTFileClose(fh); #endif } RTCircBufReleaseReadBlock(pCircBuf, cbSrc); cbChunk = (uint32_t)cbSrc; /* Update the current chunk size to what really has been read. */ break; } default: AssertMsgFailed(("Stream #%RU8 not supported\n", pStream->u8SD)); rc = VERR_NOT_SUPPORTED; break; } if (RT_FAILURE(rc)) break; if (cbChunk) { cbProcessedTotal += cbChunk; Assert(cbProcessedTotal <= cbToProcessMax); Assert(cbLeft >= cbChunk); cbLeft -= cbChunk; Assert((cbChunk & 1) == 0); /* Else the following shift won't work */ pRegs->picb -= (cbChunk >> 1); /** @todo r=andy Assumes 16bit samples. */ pRegs->bd.addr += cbChunk; } LogFlowFunc(("[SD%RU8] cbChunk=%RU32, cbLeft=%RU32, cbTotal=%RU32, rc=%Rrc\n", pStream->u8SD, cbChunk, cbLeft, cbProcessedTotal, rc)); if (!pRegs->picb) { uint32_t new_sr = pRegs->sr & ~AC97_SR_CELV; if (pRegs->bd.ctl_len & AC97_BD_IOC) { new_sr |= AC97_SR_BCIS; } if (pRegs->civ == pRegs->lvi) { /* Did we run out of data? */ LogFunc(("Underrun CIV (%RU8) == LVI (%RU8)\n", pRegs->civ, pRegs->lvi)); new_sr |= AC97_SR_LVBCI | AC97_SR_DCH | AC97_SR_CELV; pThis->bup_flag = (pRegs->bd.ctl_len & AC97_BD_BUP) ? BUP_LAST : 0; rc = VINF_EOF; } else { pRegs->civ = pRegs->piv; pRegs->piv = (pRegs->piv + 1) % AC97_MAX_BDLE; ichac97StreamFetchBDLE(pThis, pStream); } ichac97StreamUpdateSR(pThis, pStream, new_sr); } if (/* All data processed? */ rc == VINF_EOF /* ... or an error occurred? */ || RT_FAILURE(rc)) { break; } } ichac97StreamUnlock(pStream); LogFlowFuncLeaveRC(rc); return rc; } /** * Port I/O Handler for IN operations. * * @returns VINF_SUCCESS or VINF_EM_*. * @returns VERR_IOM_IOPORT_UNUSED if the port is really unused and a ~0 value should be returned. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the IN operation. * @param pu32Val Where to store the result. This is always a 32-bit * variable regardless of what @a cbVal might say. * @param cbVal Number of bytes read. * @remarks Caller enters the device critical section. */ static DECLCALLBACK(int) ichac97IOPortNABMRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT uPort, uint32_t *pu32Val, unsigned cbVal) { RT_NOREF(pDevIns); PAC97STATE pThis = (PAC97STATE)pvUser; DEVAC97_LOCK(pThis); /* Get the index of the NABMBAR port. */ const uint32_t uPortIdx = uPort - pThis->IOPortBase[1]; PAC97STREAM pStream = ichac97GetStreamFromIdx(pThis, AC97_PORT2IDX(uPortIdx)); PAC97BMREGS pRegs = NULL; if (pStream) /* Can be NULL, depending on the index (port). */ pRegs = &pStream->Regs; int rc = VINF_SUCCESS; switch (cbVal) { case 1: { switch (uPortIdx) { case AC97_CAS: /* Codec Access Semaphore Register */ Log3Func(("CAS %d\n", pThis->cas)); *pu32Val = pThis->cas; pThis->cas = 1; break; case PI_CIV: case PO_CIV: case MC_CIV: /* Current Index Value Register */ *pu32Val = pRegs->civ; Log3Func(("CIV[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; case PI_LVI: case PO_LVI: case MC_LVI: /* Last Valid Index Register */ *pu32Val = pRegs->lvi; Log3Func(("LVI[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; case PI_PIV: case PO_PIV: case MC_PIV: /* Prefetched Index Value Register */ *pu32Val = pRegs->piv; Log3Func(("PIV[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; case PI_CR: case PO_CR: case MC_CR: /* Control Register */ *pu32Val = pRegs->cr; Log3Func(("CR[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; case PI_SR: case PO_SR: case MC_SR: /* Status Register (lower part) */ *pu32Val = RT_LO_U8(pRegs->sr); Log3Func(("SRb[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; default: *pu32Val = UINT32_MAX; LogFunc(("U nabm readb %#x -> %#x\n", uPort, *pu32Val)); break; } break; } case 2: { switch (uPortIdx) { case PI_SR: case PO_SR: case MC_SR: /* Status Register */ *pu32Val = pRegs->sr; Log3Func(("SR[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; case PI_PICB: case PO_PICB: case MC_PICB: /* Position in Current Buffer */ *pu32Val = pRegs->picb; Log3Func(("PICB[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; default: *pu32Val = UINT32_MAX; LogFunc(("U nabm readw %#x -> %#x\n", uPort, *pu32Val)); break; } break; } case 4: { switch (uPortIdx) { case PI_BDBAR: case PO_BDBAR: case MC_BDBAR: /* Buffer Descriptor Base Address Register */ *pu32Val = pRegs->bdbar; Log3Func(("BMADDR[%d] -> %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val)); break; case PI_CIV: case PO_CIV: case MC_CIV: /* 32-bit access: Current Index Value Register + * Last Valid Index Register + * Status Register */ *pu32Val = pRegs->civ | (pRegs->lvi << 8) | (pRegs->sr << 16); /** @todo r=andy Use RT_MAKE_U32_FROM_U8. */ Log3Func(("CIV LVI SR[%d] -> %#x, %#x, %#x\n", AC97_PORT2IDX(uPortIdx), pRegs->civ, pRegs->lvi, pRegs->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 */ *pu32Val = pRegs->picb | (pRegs->piv << 16) | (pRegs->cr << 24); /** @todo r=andy Use RT_MAKE_U32_FROM_U8. */ Log3Func(("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", AC97_PORT2IDX(uPortIdx), *pu32Val, pRegs->picb, pRegs->piv, pRegs->cr)); break; case AC97_GLOB_CNT: /* Global Control */ *pu32Val = pThis->glob_cnt; Log3Func(("glob_cnt -> %#x\n", *pu32Val)); break; case AC97_GLOB_STA: /* Global Status */ *pu32Val = pThis->glob_sta | AC97_GS_S0CR; Log3Func(("glob_sta -> %#x\n", *pu32Val)); break; default: *pu32Val = UINT32_MAX; LogFunc(("U nabm readl %#x -> %#x\n", uPort, *pu32Val)); break; } break; } default: { AssertFailed(); rc = VERR_IOM_IOPORT_UNUSED; } } DEVAC97_UNLOCK(pThis); return rc; } /** * Port I/O Handler for OUT operations. * * @returns VINF_SUCCESS or VINF_EM_*. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the OUT operation. * @param u32Val The value to output. * @param cbVal The value size in bytes. * @remarks Caller enters the device critical section. */ static DECLCALLBACK(int) ichac97IOPortNABMWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT uPort, uint32_t u32Val, unsigned cbVal) { RT_NOREF(pDevIns); PAC97STATE pThis = (PAC97STATE)pvUser; DEVAC97_LOCK_BOTH_RETURN(pThis, VINF_IOM_R3_IOPORT_WRITE); /* Get the index of the NABMBAR register. */ const uint32_t uPortIdx = uPort - pThis->IOPortBase[1]; PAC97STREAM pStream = ichac97GetStreamFromIdx(pThis, AC97_PORT2IDX(uPortIdx)); PAC97BMREGS pRegs = NULL; if (pStream) /* Can be NULL, depending on the index (port). */ pRegs = &pStream->Regs; switch (cbVal) { case 1: { switch (uPortIdx) { /* * Last Valid Index. */ case PI_LVI: case PO_LVI: case MC_LVI: { if ( (pRegs->cr & AC97_CR_RPBM) && (pRegs->sr & AC97_SR_DCH)) { pRegs->sr &= ~(AC97_SR_DCH | AC97_SR_CELV); pRegs->civ = pRegs->piv; pRegs->piv = (pRegs->piv + 1) % AC97_MAX_BDLE; ichac97StreamFetchBDLE(pThis, pStream); } pRegs->lvi = u32Val % AC97_MAX_BDLE; Log3Func(("[SD%RU8] LVI <- %#x\n", pStream->u8SD, u32Val)); break; } /* * Control Registers. */ case PI_CR: case PO_CR: case MC_CR: { Log3Func(("[SD%RU8] CR <- %#x (cr %#x)\n", pStream->u8SD, u32Val, pRegs->cr)); if (u32Val & AC97_CR_RR) /* Busmaster reset. */ { Log3Func(("[SD%RU8] Reset\n", pStream->u8SD)); /* Make sure that Run/Pause Bus Master bit (RPBM) is cleared (0). */ Assert((pRegs->cr & AC97_CR_RPBM) == 0); ichac97StreamEnable(pThis, pStream, false /* fEnable */); ichac97StreamReset(pThis, pStream); ichac97StreamUpdateSR(pThis, pStream, AC97_SR_DCH); /** @todo Do we need to do that? */ } else { pRegs->cr = u32Val & AC97_CR_VALID_MASK; if (!(pRegs->cr & AC97_CR_RPBM)) { Log3Func(("[SD%RU8] Disable\n", pStream->u8SD)); ichac97StreamEnable(pThis, pStream, false /* fEnable */); pRegs->sr |= AC97_SR_DCH; } else { Log3Func(("[SD%RU8] Enable\n", pStream->u8SD)); pRegs->civ = pRegs->piv; pRegs->piv = (pRegs->piv + 1) % AC97_MAX_BDLE; pRegs->sr &= ~AC97_SR_DCH; /* Fetch the initial BDLE descriptor. */ ichac97StreamFetchBDLE(pThis, pStream); ichac97StreamEnable(pThis, pStream, true /* fEnable */); } } break; } /* * Status Registers. */ case PI_SR: case PO_SR: case MC_SR: { pRegs->sr |= u32Val & ~(AC97_SR_RO_MASK | AC97_SR_WCLEAR_MASK); ichac97StreamUpdateSR(pThis, pStream, pRegs->sr & ~(u32Val & AC97_SR_WCLEAR_MASK)); Log3Func(("[SD%RU8] SR <- %#x (sr %#x)\n", pStream->u8SD, u32Val, pRegs->sr)); break; } default: LogRel2(("AC97: Warning: Unimplemented NABMWrite (%u byte) portIdx=%#x <- %#x\n", cbVal, uPortIdx, u32Val)); break; } break; } case 2: { switch (uPortIdx) { case PI_SR: case PO_SR: case MC_SR: /* Status Register */ pRegs->sr |= u32Val & ~(AC97_SR_RO_MASK | AC97_SR_WCLEAR_MASK); ichac97StreamUpdateSR(pThis, pStream, pRegs->sr & ~(u32Val & AC97_SR_WCLEAR_MASK)); Log3Func(("[SD%RU8] SR <- %#x (sr %#x)\n", pStream->u8SD, u32Val, pRegs->sr)); break; default: LogRel2(("AC97: Warning: Unimplemented NABMWrite (%u byte) portIdx=%#x <- %#x\n", cbVal, uPortIdx, u32Val)); break; } break; } case 4: { switch (uPortIdx) { case PI_BDBAR: case PO_BDBAR: case MC_BDBAR: /* Buffer Descriptor list Base Address Register */ pRegs->bdbar = u32Val & ~3; Log3Func(("[SD%RU8] BDBAR <- %#x (bdbar %#x)\n", AC97_PORT2IDX(uPortIdx), u32Val, pRegs->bdbar)); break; case AC97_GLOB_CNT: /* Global Control */ if (u32Val & AC97_GC_WR) ichac97WarmReset(pThis); if (u32Val & AC97_GC_CR) ichac97ColdReset(pThis); if (!(u32Val & (AC97_GC_WR | AC97_GC_CR))) pThis->glob_cnt = u32Val & AC97_GC_VALID_MASK; Log3Func(("glob_cnt <- %#x (glob_cnt %#x)\n", u32Val, pThis->glob_cnt)); break; case AC97_GLOB_STA: /* Global Status */ pThis->glob_sta &= ~(u32Val & AC97_GS_WCLEAR_MASK); pThis->glob_sta |= (u32Val & ~(AC97_GS_WCLEAR_MASK | AC97_GS_RO_MASK)) & AC97_GS_VALID_MASK; Log3Func(("glob_sta <- %#x (glob_sta %#x)\n", u32Val, pThis->glob_sta)); break; default: LogRel2(("AC97: Warning: Unimplemented NABMWrite (%u byte) portIdx=%#x <- %#x\n", cbVal, uPortIdx, u32Val)); break; } break; } default: LogRel2(("AC97: Warning: Unimplemented NABMWrite (%u byte) portIdx=%#x <- %#x\n", cbVal, uPortIdx, u32Val)); break; } DEVAC97_UNLOCK_BOTH(pThis); return VINF_SUCCESS; } /** * Port I/O Handler for IN operations. * * @returns VINF_SUCCESS or VINF_EM_*. * @returns VERR_IOM_IOPORT_UNUSED if the port is really unused and a ~0 value should be returned. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the IN operation. * @param pu32Val Where to store the result. This is always a 32-bit * variable regardless of what @a cbVal might say. * @param cbVal Number of bytes read. * @remarks Caller enters the device critical section. */ static DECLCALLBACK(int) ichac97IOPortNAMRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT uPort, uint32_t *pu32Val, unsigned cbVal) { RT_NOREF(pDevIns); PAC97STATE pThis = (PAC97STATE)pvUser; DEVAC97_LOCK(pThis); int rc = VINF_SUCCESS; uint32_t index = uPort - pThis->IOPortBase[0]; switch (cbVal) { case 1: { LogRel2(("AC97: Warning: Unimplemented read (%u byte) port=%#x, idx=%RU32\n", cbVal, uPort, index)); pThis->cas = 0; *pu32Val = UINT32_MAX; break; } case 2: { *pu32Val = UINT32_MAX; pThis->cas = 0; switch (index) { default: *pu32Val = ichac97MixerGet(pThis, index); break; } break; } case 4: { LogRel2(("AC97: Warning: Unimplemented read (%u byte) port=%#x, idx=%RU32\n", cbVal, uPort, index)); pThis->cas = 0; *pu32Val = UINT32_MAX; break; } default: { AssertFailed(); rc = VERR_IOM_IOPORT_UNUSED; } } DEVAC97_UNLOCK(pThis); return rc; } /** * Port I/O Handler for OUT operations. * * @returns VINF_SUCCESS or VINF_EM_*. * * @param pDevIns The device instance. * @param pvUser User argument. * @param uPort Port number used for the OUT operation. * @param u32Val The value to output. * @param cbVal The value size in bytes. * @remarks Caller enters the device critical section. */ static DECLCALLBACK(int) ichac97IOPortNAMWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT uPort, uint32_t u32Val, unsigned cbVal) { RT_NOREF(pDevIns); PAC97STATE pThis = (PAC97STATE)pvUser; DEVAC97_LOCK_BOTH_RETURN(pThis, VINF_IOM_R3_IOPORT_WRITE); uint32_t uPortIdx = uPort - pThis->IOPortBase[0]; switch (cbVal) { case 1: { LogRel2(("AC97: Warning: Unimplemented NAMWrite (%u byte) port=%#x, idx=0x%x <- %#x\n", cbVal, uPort, uPortIdx, u32Val)); pThis->cas = 0; break; } case 2: { pThis->cas = 0; switch (uPortIdx) { case AC97_Reset: ichac97Reset(pThis->CTX_SUFF(pDevIns)); break; case AC97_Powerdown_Ctrl_Stat: u32Val &= ~0xf; u32Val |= ichac97MixerGet(pThis, uPortIdx) & 0xf; ichac97MixerSet(pThis, uPortIdx, u32Val); break; case AC97_Master_Volume_Mute: if (pThis->uCodecModel == AC97_CODEC_AD1980) { if (ichac97MixerGet(pThis, AC97_AD_Misc) & AC97_AD_MISC_LOSEL) break; /* Register controls surround (rear), do nothing. */ } ichac97MixerSetVolume(pThis, uPortIdx, PDMAUDIOMIXERCTL_VOLUME_MASTER, u32Val); break; case AC97_Headphone_Volume_Mute: if (pThis->uCodecModel == AC97_CODEC_AD1980) { if (ichac97MixerGet(pThis, AC97_AD_Misc) & AC97_AD_MISC_HPSEL) { /* Register controls PCM (front) outputs. */ ichac97MixerSetVolume(pThis, uPortIdx, PDMAUDIOMIXERCTL_VOLUME_MASTER, u32Val); } } break; case AC97_PCM_Out_Volume_Mute: ichac97MixerSetVolume(pThis, uPortIdx, PDMAUDIOMIXERCTL_FRONT, u32Val); break; case AC97_Line_In_Volume_Mute: ichac97MixerSetVolume(pThis, uPortIdx, PDMAUDIOMIXERCTL_LINE_IN, u32Val); break; case AC97_Record_Select: ichac97MixerRecordSelect(pThis, u32Val); break; case AC97_Record_Gain_Mute: /* Newer Ubuntu guests rely on that when controlling gain and muting * the recording (capturing) levels. */ ichac97MixerSetVolume(pThis, uPortIdx, PDMAUDIOMIXERCTL_LINE_IN, u32Val); break; case AC97_Record_Gain_Mic_Mute: /* Ditto; see note above. */ ichac97MixerSetVolume(pThis, uPortIdx, PDMAUDIOMIXERCTL_MIC_IN, u32Val); break; case AC97_Vendor_ID1: case AC97_Vendor_ID2: LogFunc(("Attempt to write vendor ID to %#x\n", u32Val)); break; case AC97_Extended_Audio_ID: LogFunc(("Attempt to write extended audio ID to %#x\n", u32Val)); break; case AC97_Extended_Audio_Ctrl_Stat: if (!(u32Val & AC97_EACS_VRA)) { ichac97MixerSet(pThis, AC97_PCM_Front_DAC_Rate, 48000); ichac97StreamReOpen(pThis, &pThis->StreamOut); ichac97MixerSet(pThis, AC97_PCM_LR_ADC_Rate, 48000); ichac97StreamReOpen(pThis, &pThis->StreamLineIn); } else LogRel2(("AC97: Variable rate audio (VRA) is not supported\n")); if (!(u32Val & AC97_EACS_VRM)) { ichac97MixerSet(pThis, AC97_MIC_ADC_Rate, 48000); ichac97StreamReOpen(pThis, &pThis->StreamMicIn); } else LogRel2(("AC97: Variable rate microphone audio (VRM) is not supported\n")); LogFunc(("Setting extended audio control to %#x\n", u32Val)); ichac97MixerSet(pThis, AC97_Extended_Audio_Ctrl_Stat, u32Val); break; case AC97_PCM_Front_DAC_Rate: if (ichac97MixerGet(pThis, AC97_Extended_Audio_Ctrl_Stat) & AC97_EACS_VRA) { ichac97MixerSet(pThis, uPortIdx, u32Val); LogFunc(("Set front DAC rate to %RU32\n", u32Val)); ichac97StreamReOpen(pThis, &pThis->StreamOut); } else AssertMsgFailed(("Attempt to set front DAC rate to %RU32, but VRA is not set\n", u32Val)); break; case AC97_MIC_ADC_Rate: if (ichac97MixerGet(pThis, AC97_Extended_Audio_Ctrl_Stat) & AC97_EACS_VRM) { ichac97MixerSet(pThis, uPortIdx, u32Val); LogFunc(("Set MIC ADC rate to %RU32\n", u32Val)); ichac97StreamReOpen(pThis, &pThis->StreamMicIn); } else AssertMsgFailed(("Attempt to set MIC ADC rate to %RU32, but VRM is not set\n", u32Val)); break; case AC97_PCM_LR_ADC_Rate: if (ichac97MixerGet(pThis, AC97_Extended_Audio_Ctrl_Stat) & AC97_EACS_VRA) { ichac97MixerSet(pThis, uPortIdx, u32Val); LogFunc(("Set front LR ADC rate to %RU32\n", u32Val)); ichac97StreamReOpen(pThis, &pThis->StreamLineIn); } else AssertMsgFailed(("Attempt to set LR ADC rate to %RU32, but VRA is not set\n", u32Val)); break; default: LogRel2(("AC97: Warning: Unimplemented NAMWrite (%u byte) port=%#x, idx=0x%x <- %#x\n", cbVal, uPort, uPortIdx, u32Val)); ichac97MixerSet(pThis, uPortIdx, u32Val); break; } break; } case 4: { LogRel2(("AC97: Warning: Unimplemented NAMWrite (%u byte) port=%#x, idx=0x%x <- %#x\n", cbVal, uPort, uPortIdx, u32Val)); pThis->cas = 0; break; } default: AssertMsgFailed(("Unhandled NAMWrite port=%#x, cbVal=%u u32Val=%#x\n", uPort, cbVal, u32Val)); break; } DEVAC97_UNLOCK_BOTH(pThis); return VINF_SUCCESS; } /** * @callback_method_impl{FNPCIIOREGIONMAP} */ static DECLCALLBACK(int) ichac97IOPortMap(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, uint32_t iRegion, RTGCPHYS GCPhysAddress, RTGCPHYS cb, PCIADDRESSSPACE enmType) { RT_NOREF(cb, enmType); Assert(enmType == PCI_ADDRESS_SPACE_IO); Assert(cb >= 0x20); if (iRegion > 1) /* We support 2 regions max. at the moment. */ return VERR_INVALID_PARAMETER; PAC97STATE pThis = RT_FROM_MEMBER(pPciDev, AC97STATE, PciDev); RTIOPORT Port = (RTIOPORT)GCPhysAddress; int rc; if (iRegion == 0) rc = PDMDevHlpIOPortRegister(pDevIns, Port, 256, pThis, ichac97IOPortNAMWrite, ichac97IOPortNAMRead, NULL, NULL, "ICHAC97 NAM"); else rc = PDMDevHlpIOPortRegister(pDevIns, Port, 64, pThis, ichac97IOPortNABMWrite, ichac97IOPortNABMRead, NULL, NULL, "ICHAC97 NABM"); if (RT_FAILURE(rc)) return rc; pThis->IOPortBase[iRegion] = Port; return VINF_SUCCESS; } #ifdef IN_RING3 /** * Saves (serializes) an AC'97 stream using SSM. * * @returns IPRT status code. * @param pDevIns Device instance. * @param pSSM Saved state manager (SSM) handle to use. * @param pStream AC'97 stream to save. */ static int ichac97SaveStream(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, PAC97STREAM pStream) { RT_NOREF(pDevIns); PAC97BMREGS pRegs = &pStream->Regs; SSMR3PutU32(pSSM, pRegs->bdbar); SSMR3PutU8( pSSM, pRegs->civ); SSMR3PutU8( pSSM, pRegs->lvi); SSMR3PutU16(pSSM, pRegs->sr); SSMR3PutU16(pSSM, pRegs->picb); SSMR3PutU8( pSSM, pRegs->piv); SSMR3PutU8( pSSM, pRegs->cr); SSMR3PutS32(pSSM, pRegs->bd_valid); SSMR3PutU32(pSSM, pRegs->bd.addr); SSMR3PutU32(pSSM, pRegs->bd.ctl_len); return VINF_SUCCESS; } /** * @callback_method_impl{FNSSMDEVSAVEEXEC} */ static DECLCALLBACK(int) ichac97SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogFlowFuncEnter(); SSMR3PutU32(pSSM, pThis->glob_cnt); SSMR3PutU32(pSSM, pThis->glob_sta); SSMR3PutU32(pSSM, pThis->cas); /** @todo r=andy For the next saved state version, add unique stream identifiers and a stream count. */ /* Note: The order the streams are saved here is critical, so don't touch. */ int rc2 = ichac97SaveStream(pDevIns, pSSM, &pThis->StreamLineIn); AssertRC(rc2); rc2 = ichac97SaveStream(pDevIns, pSSM, &pThis->StreamOut); AssertRC(rc2); rc2 = ichac97SaveStream(pDevIns, pSSM, &pThis->StreamMicIn); AssertRC(rc2); SSMR3PutMem(pSSM, pThis->mixer_data, sizeof(pThis->mixer_data)); uint8_t active[AC97SOUNDSOURCE_LAST_INDEX]; active[AC97SOUNDSOURCE_PI_INDEX] = ichac97StreamIsEnabled(pThis, &pThis->StreamLineIn) ? 1 : 0; active[AC97SOUNDSOURCE_PO_INDEX] = ichac97StreamIsEnabled(pThis, &pThis->StreamOut) ? 1 : 0; active[AC97SOUNDSOURCE_MC_INDEX] = ichac97StreamIsEnabled(pThis, &pThis->StreamMicIn) ? 1 : 0; SSMR3PutMem(pSSM, active, sizeof(active)); LogFlowFuncLeaveRC(VINF_SUCCESS); return VINF_SUCCESS; } /** * Loads an AC'97 stream from SSM. * * @returns IPRT status code. * @param pDevIns Device instance. * @param pSSM Saved state manager (SSM) handle to use. * @param pStream AC'97 stream to load. */ static int ichac97LoadStream(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, PAC97STREAM pStream) { RT_NOREF(pDevIns); PAC97BMREGS pRegs = &pStream->Regs; SSMR3GetU32(pSSM, &pRegs->bdbar); SSMR3GetU8( pSSM, &pRegs->civ); SSMR3GetU8( pSSM, &pRegs->lvi); SSMR3GetU16(pSSM, &pRegs->sr); SSMR3GetU16(pSSM, &pRegs->picb); SSMR3GetU8( pSSM, &pRegs->piv); SSMR3GetU8( pSSM, &pRegs->cr); SSMR3GetS32(pSSM, &pRegs->bd_valid); SSMR3GetU32(pSSM, &pRegs->bd.addr); SSMR3GetU32(pSSM, &pRegs->bd.ctl_len); return VINF_SUCCESS; } /** * @callback_method_impl{FNSSMDEVLOADEXEC} */ static DECLCALLBACK(int) ichac97LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogRel2(("ichac97LoadExec: uVersion=%RU32, uPass=0x%x\n", uVersion, uPass)); AssertMsgReturn (uVersion == AC97_SSM_VERSION, ("%RU32\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION); Assert(uPass == SSM_PASS_FINAL); NOREF(uPass); SSMR3GetU32(pSSM, &pThis->glob_cnt); SSMR3GetU32(pSSM, &pThis->glob_sta); SSMR3GetU32(pSSM, &pThis->cas); /** @todo r=andy For the next saved state version, add unique stream identifiers and a stream count. */ /* Note: The order the streams are loaded here is critical, so don't touch. */ int rc2 = ichac97LoadStream(pDevIns, pSSM, &pThis->StreamLineIn); AssertRC(rc2); rc2 = ichac97LoadStream(pDevIns, pSSM, &pThis->StreamOut); AssertRC(rc2); rc2 = ichac97LoadStream(pDevIns, pSSM, &pThis->StreamMicIn); AssertRC(rc2); SSMR3GetMem(pSSM, pThis->mixer_data, sizeof(pThis->mixer_data)); /** @todo r=andy Stream IDs are hardcoded to certain streams. */ uint8_t uaStrmsActive[AC97SOUNDSOURCE_LAST_INDEX]; SSMR3GetMem(pSSM, uaStrmsActive, sizeof(uaStrmsActive)); ichac97MixerRecordSelect(pThis, ichac97MixerGet(pThis, AC97_Record_Select)); # define V_(a, b) ichac97MixerSetVolume(pThis, a, b, ichac97MixerGet(pThis, a)) V_(AC97_Master_Volume_Mute, PDMAUDIOMIXERCTL_VOLUME_MASTER); V_(AC97_PCM_Out_Volume_Mute, PDMAUDIOMIXERCTL_FRONT); V_(AC97_Line_In_Volume_Mute, PDMAUDIOMIXERCTL_LINE_IN); V_(AC97_Mic_Volume_Mute, PDMAUDIOMIXERCTL_MIC_IN); # undef V_ if (pThis->uCodecModel == AC97_CODEC_AD1980) if (ichac97MixerGet(pThis, AC97_AD_Misc) & AC97_AD_MISC_HPSEL) ichac97MixerSetVolume(pThis, AC97_Headphone_Volume_Mute, PDMAUDIOMIXERCTL_VOLUME_MASTER, ichac97MixerGet(pThis, AC97_Headphone_Volume_Mute)); /** @todo r=andy Stream IDs are hardcoded to certain streams. */ rc2 = ichac97StreamEnable(pThis, &pThis->StreamLineIn, RT_BOOL(uaStrmsActive[AC97SOUNDSOURCE_PI_INDEX])); if (RT_SUCCESS(rc2)) rc2 = ichac97StreamEnable(pThis, &pThis->StreamMicIn, RT_BOOL(uaStrmsActive[AC97SOUNDSOURCE_MC_INDEX])); if (RT_SUCCESS(rc2)) rc2 = ichac97StreamEnable(pThis, &pThis->StreamOut, RT_BOOL(uaStrmsActive[AC97SOUNDSOURCE_PO_INDEX])); pThis->bup_flag = 0; pThis->last_samp = 0; return VINF_SUCCESS; } /** * @interface_method_impl{PDMIBASE,pfnQueryInterface} */ static DECLCALLBACK(void *) ichac97QueryInterface(struct PDMIBASE *pInterface, const char *pszIID) { PAC97STATE pThis = RT_FROM_MEMBER(pInterface, AC97STATE, IBase); Assert(&pThis->IBase == pInterface); PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->IBase); return NULL; } /** * Powers off the device. * * @param pDevIns Device instance to power off. */ static DECLCALLBACK(void) ichac97PowerOff(PPDMDEVINS pDevIns) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogRel2(("AC97: Powering off ...\n")); /* Note: Involves mixer stream / sink destruction, so also do this here * instead of in ichac97Destruct(). */ ichac97StreamsDestroy(pThis); /** * Note: Destroy the mixer while powering off and *not* in ichac97Destruct, * giving the mixer the chance to release any references held to * PDM audio streams it maintains. */ if (pThis->pMixer) { AudioMixerDestroy(pThis->pMixer); pThis->pMixer = NULL; } } /** * @interface_method_impl{PDMDEVREG,pfnReset} * * @remarks 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) ichac97Reset(PPDMDEVINS pDevIns) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogRel(("AC97: Reset\n")); /* * 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. */ ichac97MixerReset(pThis); /* * Reset all streams. */ ichac97StreamEnable(pThis, &pThis->StreamLineIn, false /* fEnable */); ichac97StreamReset(pThis, &pThis->StreamLineIn); ichac97StreamEnable(pThis, &pThis->StreamMicIn, false /* fEnable */); ichac97StreamReset(pThis, &pThis->StreamMicIn); ichac97StreamEnable(pThis, &pThis->StreamOut, false /* fEnable */); ichac97StreamReset(pThis, &pThis->StreamOut); /* * Reset mixer sinks. * * Do the reset here instead of in ichac97StreamReset(); * the mixer sink(s) might still have data to be processed when an audio stream gets reset. */ AudioMixerSinkReset(pThis->pSinkLineIn); AudioMixerSinkReset(pThis->pSinkMicIn); AudioMixerSinkReset(pThis->pSinkOut); # ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS /* * Stop the timer, if any. */ ichac97TimerStop(pThis); pThis->cStreamsActive = 0; # endif } /** * @interface_method_impl{PDMDEVREG,pfnDestruct} */ static DECLCALLBACK(int) ichac97Destruct(PPDMDEVINS pDevIns) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogFlowFuncEnter(); PAC97DRIVER pDrv, pDrvNext; RTListForEachSafe(&pThis->lstDrv, pDrv, pDrvNext, AC97DRIVER, Node) { RTListNodeRemove(&pDrv->Node); RTMemFree(pDrv); } /* Sanity. */ Assert(RTListIsEmpty(&pThis->lstDrv)); return VINF_SUCCESS; } /** * Attach command, internal version. * * This is called to let the device attach to a driver for a specified LUN * during runtime. This is not called during VM construction, the device * constructor has to attach to all the available drivers. * * @returns VBox status code. * @param pThis AC'97 state. * @param uLUN The logical unit which is being detached. * @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines. * @param ppDrv Attached driver instance on success. Optional. */ static int ichac97AttachInternal(PAC97STATE pThis, unsigned uLUN, uint32_t fFlags, PAC97DRIVER *ppDrv) { RT_NOREF(fFlags); /* * Attach driver. */ char *pszDesc; if (RTStrAPrintf(&pszDesc, "Audio driver port (AC'97) for LUN #%u", uLUN) <= 0) AssertLogRelFailedReturn(VERR_NO_MEMORY); PPDMIBASE pDrvBase; int rc = PDMDevHlpDriverAttach(pThis->pDevInsR3, uLUN, &pThis->IBase, &pDrvBase, pszDesc); if (RT_SUCCESS(rc)) { PAC97DRIVER pDrv = (PAC97DRIVER)RTMemAllocZ(sizeof(AC97DRIVER)); if (pDrv) { pDrv->pDrvBase = pDrvBase; pDrv->pConnector = PDMIBASE_QUERY_INTERFACE(pDrvBase, PDMIAUDIOCONNECTOR); AssertMsg(pDrv->pConnector != NULL, ("Configuration error: LUN #%u has no host audio interface, rc=%Rrc\n", uLUN, rc)); pDrv->pAC97State = pThis; pDrv->uLUN = uLUN; /* * For now we always set the driver at LUN 0 as our primary * host backend. This might change in the future. */ if (pDrv->uLUN == 0) pDrv->fFlags |= PDMAUDIODRVFLAGS_PRIMARY; LogFunc(("LUN#%RU8: pCon=%p, drvFlags=0x%x\n", uLUN, pDrv->pConnector, pDrv->fFlags)); /* Attach to driver list if not attached yet. */ if (!pDrv->fAttached) { RTListAppend(&pThis->lstDrv, &pDrv->Node); pDrv->fAttached = true; } if (ppDrv) *ppDrv = pDrv; } else rc = VERR_NO_MEMORY; } else if (rc == VERR_PDM_NO_ATTACHED_DRIVER) LogFunc(("No attached driver for LUN #%u\n", uLUN)); if (RT_FAILURE(rc)) { /* Only free this string on failure; * must remain valid for the live of the driver instance. */ RTStrFree(pszDesc); } LogFunc(("uLUN=%u, fFlags=0x%x, rc=%Rrc\n", uLUN, fFlags, rc)); return rc; } /** * Detach command, internal version. * * This is called to let the device detach from a driver for a specified LUN * during runtime. * * @returns VBox status code. * @param pThis AC'97 state. * @param pDrv Driver to detach device from. * @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines. */ static int ichac97DetachInternal(PAC97STATE pThis, PAC97DRIVER pDrv, uint32_t fFlags) { RT_NOREF(fFlags); AudioMixerSinkRemoveStream(pThis->pSinkMicIn, pDrv->MicIn.pMixStrm); AudioMixerStreamDestroy(pDrv->MicIn.pMixStrm); pDrv->MicIn.pMixStrm = NULL; AudioMixerSinkRemoveStream(pThis->pSinkLineIn, pDrv->LineIn.pMixStrm); AudioMixerStreamDestroy(pDrv->LineIn.pMixStrm); pDrv->LineIn.pMixStrm = NULL; AudioMixerSinkRemoveStream(pThis->pSinkOut, pDrv->Out.pMixStrm); AudioMixerStreamDestroy(pDrv->Out.pMixStrm); pDrv->Out.pMixStrm = NULL; RTListNodeRemove(&pDrv->Node); LogFunc(("uLUN=%u, fFlags=0x%x\n", pDrv->uLUN, fFlags)); return VINF_SUCCESS; } /** * @interface_method_impl{PDMDEVREG,pfnAttach} */ static DECLCALLBACK(int) ichac97Attach(PPDMDEVINS pDevIns, unsigned uLUN, uint32_t fFlags) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogFunc(("uLUN=%u, fFlags=0x%x\n", uLUN, fFlags)); DEVAC97_LOCK(pThis); PAC97DRIVER pDrv; int rc2 = ichac97AttachInternal(pThis, uLUN, fFlags, &pDrv); if (RT_SUCCESS(rc2)) { if (DrvAudioHlpStreamCfgIsValid(&pThis->StreamLineIn.State.Cfg)) ichac97MixerAddDrvStream(pThis, pThis->pSinkLineIn, &pThis->StreamLineIn.State.Cfg, pDrv); if (DrvAudioHlpStreamCfgIsValid(&pThis->StreamMicIn.State.Cfg)) ichac97MixerAddDrvStream(pThis, pThis->pSinkMicIn, &pThis->StreamMicIn.State.Cfg, pDrv); if (DrvAudioHlpStreamCfgIsValid(&pThis->StreamOut.State.Cfg)) ichac97MixerAddDrvStream(pThis, pThis->pSinkOut, &pThis->StreamOut.State.Cfg, pDrv); } DEVAC97_UNLOCK(pThis); return VINF_SUCCESS; } /** * @interface_method_impl{PDMDEVREG,pfnDetach} */ static DECLCALLBACK(void) ichac97Detach(PPDMDEVINS pDevIns, unsigned uLUN, uint32_t fFlags) { PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); LogFunc(("uLUN=%u, fFlags=0x%x\n", uLUN, fFlags)); DEVAC97_LOCK(pThis); PAC97DRIVER pDrv, pDrvNext; RTListForEachSafe(&pThis->lstDrv, pDrv, pDrvNext, AC97DRIVER, Node) { if (pDrv->uLUN == uLUN) { int rc2 = ichac97DetachInternal(pThis, pDrv, fFlags); if (RT_SUCCESS(rc2)) { RTMemFree(pDrv); pDrv = NULL; } break; } } DEVAC97_UNLOCK(pThis); } /** * Re-attaches (replaces) a driver with a new driver. * * @returns VBox status code. * @param pThis Device instance. * @param pDrv Driver instance used for attaching to. * If NULL is specified, a new driver will be created and appended * to the driver list. * @param uLUN The logical unit which is being re-detached. * @param pszDriver New driver name to attach. */ static int ichac97ReattachInternal(PAC97STATE pThis, PAC97DRIVER pDrv, uint8_t uLUN, const char *pszDriver) { AssertPtrReturn(pThis, VERR_INVALID_POINTER); AssertPtrReturn(pszDriver, VERR_INVALID_POINTER); int rc; if (pDrv) { rc = ichac97DetachInternal(pThis, pDrv, 0 /* fFlags */); if (RT_SUCCESS(rc)) rc = PDMDevHlpDriverDetach(pThis->pDevInsR3, PDMIBASE_2_PDMDRV(pDrv->pDrvBase), 0 /* fFlags */); if (RT_FAILURE(rc)) return rc; pDrv = NULL; } PVM pVM = PDMDevHlpGetVM(pThis->pDevInsR3); PCFGMNODE pRoot = CFGMR3GetRoot(pVM); PCFGMNODE pDev0 = CFGMR3GetChild(pRoot, "Devices/ichac97/0/"); /* Remove LUN branch. */ CFGMR3RemoveNode(CFGMR3GetChildF(pDev0, "LUN#%u/", uLUN)); #define RC_CHECK() if (RT_FAILURE(rc)) { AssertReleaseRC(rc); break; } do { PCFGMNODE pLunL0; rc = CFGMR3InsertNodeF(pDev0, &pLunL0, "LUN#%u/", uLUN); RC_CHECK(); rc = CFGMR3InsertString(pLunL0, "Driver", "AUDIO"); RC_CHECK(); rc = CFGMR3InsertNode(pLunL0, "Config/", NULL); RC_CHECK(); PCFGMNODE pLunL1, pLunL2; rc = CFGMR3InsertNode (pLunL0, "AttachedDriver/", &pLunL1); RC_CHECK(); rc = CFGMR3InsertNode (pLunL1, "Config/", &pLunL2); RC_CHECK(); rc = CFGMR3InsertString(pLunL1, "Driver", pszDriver); RC_CHECK(); rc = CFGMR3InsertString(pLunL2, "AudioDriver", pszDriver); RC_CHECK(); } while (0); if (RT_SUCCESS(rc)) rc = ichac97AttachInternal(pThis, uLUN, 0 /* fFlags */, NULL /* ppDrv */); LogFunc(("pThis=%p, uLUN=%u, pszDriver=%s, rc=%Rrc\n", pThis, uLUN, pszDriver, rc)); #undef RC_CHECK return rc; } /** * @interface_method_impl{PDMDEVREG,pfnConstruct} */ static DECLCALLBACK(int) ichac97Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg) { RT_NOREF(iInstance); PAC97STATE pThis = PDMINS_2_DATA(pDevIns, PAC97STATE); /* NB: This must be done *before* any possible failure (and running the destructor). */ RTListInit(&pThis->lstDrv); Assert(iInstance == 0); PDMDEV_CHECK_VERSIONS_RETURN(pDevIns); /* * Validations. */ if (!CFGMR3AreValuesValid(pCfg, "Codec\0" "TimerHz\0")) return PDMDEV_SET_ERROR(pDevIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES, N_("Invalid configuration for the AC'97 device")); /* * Read config data. */ char szCodec[20]; int rc = CFGMR3QueryStringDef(pCfg, "Codec", &szCodec[0], sizeof(szCodec), "STAC9700"); if (RT_FAILURE(rc)) return PDMDEV_SET_ERROR(pDevIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES, N_("AC'97 configuration error: Querying \"Codec\" as string failed")); #ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS uint16_t uTimerHz; rc = CFGMR3QueryU16Def(pCfg, "TimerHz", &uTimerHz, AC97_TIMER_HZ /* Default value, if not set. */); if (RT_FAILURE(rc)) return PDMDEV_SET_ERROR(pDevIns, rc, N_("AC'97 configuration error: failed to read Hertz (Hz) rate as unsigned integer")); #endif /* * The AD1980 codec (with corresponding PCI subsystem vendor ID) is whitelisted * in the Linux kernel; Linux makes no attempt to measure the data rate and assumes * 48 kHz rate, which is exactly what we need. Same goes for AD1981B. */ if (!strcmp(szCodec, "STAC9700")) pThis->uCodecModel = AC97_CODEC_STAC9700; else if (!strcmp(szCodec, "AD1980")) pThis->uCodecModel = AC97_CODEC_AD1980; else if (!strcmp(szCodec, "AD1981B")) pThis->uCodecModel = AC97_CODEC_AD1981B; else { return PDMDevHlpVMSetError(pDevIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES, RT_SRC_POS, N_("AC'97 configuration error: The \"Codec\" value \"%s\" is unsupported"), szCodec); } /* * Use an own critical section for the device instead of the default * one provided by PDM. This allows fine-grained locking in combination * with TM when timer-specific stuff is being called in e.g. the MMIO handlers. */ rc = PDMDevHlpCritSectInit(pDevIns, &pThis->CritSect, RT_SRC_POS, "AC'97"); AssertRCReturn(rc, rc); rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns)); AssertRCReturn(rc, rc); /* * Initialize data (most of it anyway). */ pThis->pDevInsR3 = pDevIns; /* IBase */ pThis->IBase.pfnQueryInterface = ichac97QueryInterface; /* PCI Device */ PCIDevSetVendorId (&pThis->PciDev, 0x8086); /* 00 ro - intel. */ Assert(pThis->PciDev.abConfig[0x00] == 0x86); Assert(pThis->PciDev.abConfig[0x01] == 0x80); PCIDevSetDeviceId (&pThis->PciDev, 0x2415); /* 02 ro - 82801 / 82801aa(?). */ Assert(pThis->PciDev.abConfig[0x02] == 0x15); Assert(pThis->PciDev.abConfig[0x03] == 0x24); PCIDevSetCommand (&pThis->PciDev, 0x0000); /* 04 rw,ro - pcicmd. */ Assert(pThis->PciDev.abConfig[0x04] == 0x00); Assert(pThis->PciDev.abConfig[0x05] == 0x00); PCIDevSetStatus (&pThis->PciDev, VBOX_PCI_STATUS_DEVSEL_MEDIUM | VBOX_PCI_STATUS_FAST_BACK); /* 06 rwc?,ro? - pcists. */ Assert(pThis->PciDev.abConfig[0x06] == 0x80); Assert(pThis->PciDev.abConfig[0x07] == 0x02); PCIDevSetRevisionId (&pThis->PciDev, 0x01); /* 08 ro - rid. */ Assert(pThis->PciDev.abConfig[0x08] == 0x01); PCIDevSetClassProg (&pThis->PciDev, 0x00); /* 09 ro - pi. */ Assert(pThis->PciDev.abConfig[0x09] == 0x00); PCIDevSetClassSub (&pThis->PciDev, 0x01); /* 0a ro - scc; 01 == Audio. */ Assert(pThis->PciDev.abConfig[0x0a] == 0x01); PCIDevSetClassBase (&pThis->PciDev, 0x04); /* 0b ro - bcc; 04 == multimedia. */ Assert(pThis->PciDev.abConfig[0x0b] == 0x04); PCIDevSetHeaderType (&pThis->PciDev, 0x00); /* 0e ro - headtyp. */ Assert(pThis->PciDev.abConfig[0x0e] == 0x00); PCIDevSetBaseAddress (&pThis->PciDev, 0, /* 10 rw - nambar - native audio mixer base. */ true /* fIoSpace */, false /* fPrefetchable */, false /* f64Bit */, 0x00000000); Assert(pThis->PciDev.abConfig[0x10] == 0x01); Assert(pThis->PciDev.abConfig[0x11] == 0x00); Assert(pThis->PciDev.abConfig[0x12] == 0x00); Assert(pThis->PciDev.abConfig[0x13] == 0x00); PCIDevSetBaseAddress (&pThis->PciDev, 1, /* 14 rw - nabmbar - native audio bus mastering. */ true /* fIoSpace */, false /* fPrefetchable */, false /* f64Bit */, 0x00000000); Assert(pThis->PciDev.abConfig[0x14] == 0x01); Assert(pThis->PciDev.abConfig[0x15] == 0x00); Assert(pThis->PciDev.abConfig[0x16] == 0x00); Assert(pThis->PciDev.abConfig[0x17] == 0x00); PCIDevSetInterruptLine (&pThis->PciDev, 0x00); /* 3c rw. */ Assert(pThis->PciDev.abConfig[0x3c] == 0x00); PCIDevSetInterruptPin (&pThis->PciDev, 0x01); /* 3d ro - INTA#. */ Assert(pThis->PciDev.abConfig[0x3d] == 0x01); if (pThis->uCodecModel == AC97_CODEC_AD1980) { PCIDevSetSubSystemVendorId(&pThis->PciDev, 0x1028); /* 2c ro - Dell.) */ PCIDevSetSubSystemId (&pThis->PciDev, 0x0177); /* 2e ro. */ } else if (pThis->uCodecModel == AC97_CODEC_AD1981B) { PCIDevSetSubSystemVendorId(&pThis->PciDev, 0x1028); /* 2c ro - Dell.) */ PCIDevSetSubSystemId (&pThis->PciDev, 0x01ad); /* 2e ro. */ } else { PCIDevSetSubSystemVendorId(&pThis->PciDev, 0x8086); /* 2c ro - Intel.) */ PCIDevSetSubSystemId (&pThis->PciDev, 0x0000); /* 2e ro. */ } /* * Register the PCI device, it's I/O regions, the timer and the * saved state item. */ rc = PDMDevHlpPCIRegister(pDevIns, &pThis->PciDev); if (RT_FAILURE(rc)) return rc; rc = PDMDevHlpPCIIORegionRegister(pDevIns, 0, 256, PCI_ADDRESS_SPACE_IO, ichac97IOPortMap); if (RT_FAILURE(rc)) return rc; rc = PDMDevHlpPCIIORegionRegister(pDevIns, 1, 64, PCI_ADDRESS_SPACE_IO, ichac97IOPortMap); if (RT_FAILURE(rc)) return rc; rc = PDMDevHlpSSMRegister(pDevIns, AC97_SSM_VERSION, sizeof(*pThis), ichac97SaveExec, ichac97LoadExec); if (RT_FAILURE(rc)) return rc; #ifdef VBOX_WITH_AUDIO_AC97_ASYNC_IO LogRel(("AC97: Asynchronous I/O enabled\n")); #endif /* * Attach driver. */ uint8_t uLUN; for (uLUN = 0; uLUN < UINT8_MAX; ++uLUN) { LogFunc(("Trying to attach driver for LUN #%RU8 ...\n", uLUN)); rc = ichac97AttachInternal(pThis, uLUN, 0 /* fFlags */, NULL /* ppDrv */); if (RT_FAILURE(rc)) { if (rc == VERR_PDM_NO_ATTACHED_DRIVER) rc = VINF_SUCCESS; else if (rc == VERR_AUDIO_BACKEND_INIT_FAILED) { ichac97ReattachInternal(pThis, NULL /* pDrv */, uLUN, "NullAudio"); PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "HostAudioNotResponding", N_("Host audio backend initialization has failed. Selecting the NULL audio backend " "with the consequence that no sound is audible")); /* Attaching to the NULL audio backend will never fail. */ rc = VINF_SUCCESS; } break; } } LogFunc(("cLUNs=%RU8, rc=%Rrc\n", uLUN, rc)); if (RT_SUCCESS(rc)) { rc = AudioMixerCreate("AC'97 Mixer", 0 /* uFlags */, &pThis->pMixer); if (RT_SUCCESS(rc)) { rc = AudioMixerCreateSink(pThis->pMixer, "[Recording] Line In", AUDMIXSINKDIR_INPUT, &pThis->pSinkLineIn); AssertRC(rc); rc = AudioMixerCreateSink(pThis->pMixer, "[Recording] Microphone In", AUDMIXSINKDIR_INPUT, &pThis->pSinkMicIn); AssertRC(rc); rc = AudioMixerCreateSink(pThis->pMixer, "[Playback] PCM Output", AUDMIXSINKDIR_OUTPUT, &pThis->pSinkOut); AssertRC(rc); } } if (RT_SUCCESS(rc)) { /* * Create all hardware streams. */ rc = ichac97StreamCreate(pThis, &pThis->StreamLineIn, AC97SOUNDSOURCE_PI_INDEX); if (RT_SUCCESS(rc)) { rc = ichac97StreamCreate(pThis, &pThis->StreamMicIn, AC97SOUNDSOURCE_MC_INDEX); if (RT_SUCCESS(rc)) rc = ichac97StreamCreate(pThis, &pThis->StreamOut, AC97SOUNDSOURCE_PO_INDEX); } #ifdef VBOX_WITH_AUDIO_AC97_ONETIME_INIT PAC97DRIVER pDrv; RTListForEach(&pThis->lstDrv, pDrv, AC97DRIVER, Node) { /* * Only primary drivers are critical for the VM to run. Everything else * might not worth showing an own error message box in the GUI. */ if (!(pDrv->fFlags & PDMAUDIODRVFLAGS_PRIMARY)) continue; PPDMIAUDIOCONNECTOR pCon = pDrv->pConnector; AssertPtr(pCon); bool fValidLineIn = AudioMixerStreamIsValid(pDrv->LineIn.pMixStrm); bool fValidMicIn = AudioMixerStreamIsValid(pDrv->MicIn.pMixStrm); bool fValidOut = AudioMixerStreamIsValid(pDrv->Out.pMixStrm); if ( !fValidLineIn && !fValidMicIn && !fValidOut) { LogRel(("AC97: Falling back to NULL backend (no sound audible)\n")); ichac97Reset(pDevIns); ichac97ReattachInternal(pThis, pDrv, pDrv->uLUN, "NullAudio"); PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "HostAudioNotResponding", N_("No audio devices could be opened. Selecting the NULL audio backend " "with the consequence that no sound is audible")); } else { bool fWarn = false; PDMAUDIOBACKENDCFG backendCfg; int rc2 = pCon->pfnGetConfig(pCon, &backendCfg); if (RT_SUCCESS(rc2)) { if (backendCfg.cMaxStreamsIn) { /* If the audio backend supports two or more input streams at once, * warn if one of our two inputs (microphone-in and line-in) failed to initialize. */ if (backendCfg.cMaxStreamsIn >= 2) fWarn = !fValidLineIn || !fValidMicIn; /* If the audio backend only supports one input stream at once (e.g. pure ALSA, and * *not* ALSA via PulseAudio plugin!), only warn if both of our inputs failed to initialize. * One of the two simply is not in use then. */ else if (backendCfg.cMaxStreamsIn == 1) fWarn = !fValidLineIn && !fValidMicIn; /* Don't warn if our backend is not able of supporting any input streams at all. */ } if ( !fWarn && backendCfg.cMaxStreamsOut) { fWarn = !fValidOut; } } else { LogRel(("AC97: Unable to retrieve audio backend configuration for LUN #%RU8, rc=%Rrc\n", pDrv->uLUN, rc2)); fWarn = true; } if (fWarn) { char szMissingStreams[255] = ""; size_t len = 0; if (!fValidLineIn) { LogRel(("AC97: WARNING: Unable to open PCM line input for LUN #%RU8!\n", pDrv->uLUN)); len = RTStrPrintf(szMissingStreams, sizeof(szMissingStreams), "PCM Input"); } if (!fValidMicIn) { LogRel(("AC97: WARNING: Unable to open PCM microphone input for LUN #%RU8!\n", pDrv->uLUN)); len += RTStrPrintf(szMissingStreams + len, sizeof(szMissingStreams) - len, len ? ", PCM Microphone" : "PCM Microphone"); } if (!fValidOut) { LogRel(("AC97: WARNING: Unable to open PCM output for LUN #%RU8!\n", pDrv->uLUN)); len += RTStrPrintf(szMissingStreams + len, sizeof(szMissingStreams) - len, len ? ", PCM Output" : "PCM Output"); } PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "HostAudioNotResponding", N_("Some AC'97 audio streams (%s) could not be opened. Guest applications generating audio " "output or depending on audio input may hang. Make sure your host audio device " "is working properly. Check the logfile for error messages of the audio " "subsystem"), szMissingStreams); } } } #endif /* VBOX_WITH_AUDIO_AC97_ONETIME_INIT */ } if (RT_SUCCESS(rc)) ichac97Reset(pDevIns); #ifndef VBOX_WITH_AUDIO_AC97_CALLBACKS if (RT_SUCCESS(rc)) { /* Create the emulation timer. * * Note: Use TMCLOCK_VIRTUAL_SYNC here, as the guest's AC'97 driver * relies on exact (virtual) DMA timing and uses DMA Position Buffers * instead of the LPIB registers. */ rc = PDMDevHlpTMTimerCreate(pDevIns, TMCLOCK_VIRTUAL_SYNC, ichac97Timer, pThis, TMTIMER_FLAGS_NO_CRIT_SECT, "AC'97 Timer", &pThis->pTimer); AssertRCReturn(rc, rc); /* Use our own critcal section for the device timer. * That way we can control more fine-grained when to lock what. */ rc = TMR3TimerSetCritSect(pThis->pTimer, &pThis->CritSect); AssertRCReturn(rc, rc); pThis->cTimerTicks = TMTimerGetFreq(pThis->pTimer) / uTimerHz; pThis->uTimerTS = TMTimerGet(pThis->pTimer); LogFunc(("Timer ticks=%RU64 (%RU16 Hz)\n", pThis->cTimerTicks, uTimerHz)); } #else /* !VBOX_WITH_AUDIO_AC97_CALLBACKS */ if (RT_SUCCESS(rc)) { PAC97DRIVER pDrv; RTListForEach(&pThis->lstDrv, pDrv, AC97DRIVER, Node) { /* Only register primary driver. * The device emulation does the output multiplexing then. */ if (!(pDrv->fFlags & PDMAUDIODRVFLAGS_PRIMARY)) continue; PDMAUDIOCBRECORD AudioCallbacks[2]; AC97CALLBACKCTX Ctx = { pThis, pDrv }; AudioCallbacks[0].enmType = PDMAUDIOCALLBACKTYPE_INPUT; AudioCallbacks[0].pfnCallback = ac97CallbackInput; AudioCallbacks[0].pvCtx = &Ctx; AudioCallbacks[0].cbCtx = sizeof(AC97CALLBACKCTX); AudioCallbacks[1].enmType = PDMAUDIOCALLBACKTYPE_OUTPUT; AudioCallbacks[1].pfnCallback = ac97CallbackOutput; AudioCallbacks[1].pvCtx = &Ctx; AudioCallbacks[1].cbCtx = sizeof(AC97CALLBACKCTX); rc = pDrv->pConnector->pfnRegisterCallbacks(pDrv->pConnector, AudioCallbacks, RT_ELEMENTS(AudioCallbacks)); if (RT_FAILURE(rc)) break; } } #endif /* VBOX_WITH_AUDIO_AC97_CALLBACKS */ #ifdef VBOX_WITH_STATISTICS if (RT_SUCCESS(rc)) { /* * Register statistics. */ PDMDevHlpSTAMRegister(pDevIns, &pThis->StatTimer, STAMTYPE_PROFILE, "/Devices/AC97/Timer", STAMUNIT_TICKS_PER_CALL, "Profiling ichac97Timer."); PDMDevHlpSTAMRegister(pDevIns, &pThis->StatIn, STAMTYPE_PROFILE, "/Devices/AC97/Input", STAMUNIT_TICKS_PER_CALL, "Profiling input."); PDMDevHlpSTAMRegister(pDevIns, &pThis->StatOut, STAMTYPE_PROFILE, "/Devices/AC97/Output", STAMUNIT_TICKS_PER_CALL, "Profiling output."); PDMDevHlpSTAMRegister(pDevIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, "/Devices/AC97/BytesRead" , STAMUNIT_BYTES, "Bytes read from AC97 emulation."); PDMDevHlpSTAMRegister(pDevIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, "/Devices/AC97/BytesWritten", STAMUNIT_BYTES, "Bytes written to AC97 emulation."); } #endif #ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97DMARead.pcm"); RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97DMAWrite.pcm"); RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97StreamRead.pcm"); RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "ac97StreamWrite.pcm"); #endif LogFlowFuncLeaveRC(rc); return rc; } /** * The device registration structure. */ const PDMDEVREG g_DeviceICHAC97 = { /* u32Version */ PDM_DEVREG_VERSION, /* szName */ "ichac97", /* szRCMod */ "", /* szR0Mod */ "", /* pszDescription */ "ICH AC'97 Audio Controller", /* fFlags */ PDM_DEVREG_FLAGS_DEFAULT_BITS, /* fClass */ PDM_DEVREG_CLASS_AUDIO, /* cMaxInstances */ 1, /* cbInstance */ sizeof(AC97STATE), /* pfnConstruct */ ichac97Construct, /* pfnDestruct */ ichac97Destruct, /* pfnRelocate */ NULL, /* pfnMemSetup */ NULL, /* pfnPowerOn */ NULL, /* pfnReset */ ichac97Reset, /* pfnSuspend */ NULL, /* pfnResume */ NULL, /* pfnAttach */ ichac97Attach, /* pfnDetach */ ichac97Detach, /* pfnQueryInterface. */ NULL, /* pfnInitComplete */ NULL, /* pfnPowerOff */ ichac97PowerOff, /* pfnSoftReset */ NULL, /* u32VersionEnd */ PDM_DEVREG_VERSION }; #endif /* !IN_RING3 */ #endif /* !VBOX_DEVICE_STRUCT_TESTCASE */