DevHDA.cpp@ 69956

Last change on this file since 69956 was 69948, checked in by vboxsync, 7 years ago
Audio/HDA: Renaming (pStrm -> pStream).
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 185.5 KB

Line
1	/* $Id: DevHDA.cpp 69948 2017-12-06 09:59:08Z vboxsync $ */
2	/** @file
3	* DevHDA.cpp - VBox Intel HD Audio Controller.
4	*
5	* Implemented against the specifications found in "High Definition Audio
6	* Specification", Revision 1.0a June 17, 2010, and "Intel I/O Controller
7	* HUB 6 (ICH6) Family, Datasheet", document number 301473-002.
8	*/
9
10	/*
11	* Copyright (C) 2006-2017 Oracle Corporation
12	*
13	* This file is part of VirtualBox Open Source Edition (OSE), as
14	* available from http://www.virtualbox.org. This file is free software;
15	* you can redistribute it and/or modify it under the terms of the GNU
16	* General Public License (GPL) as published by the Free Software
17	* Foundation, in version 2 as it comes in the "COPYING" file of the
18	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
19	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
20	*/
21
22
23	/*********************************************************************************************************************************
24	* Header Files *
25	*********************************************************************************************************************************/
26	#define LOG_GROUP LOG_GROUP_DEV_HDA
27	#include <VBox/log.h>
28
29	#include <VBox/vmm/pdmdev.h>
30	#include <VBox/vmm/pdmaudioifs.h>
31	#include <VBox/version.h>
32
33	#include <iprt/assert.h>
34	#include <iprt/asm.h>
35	#include <iprt/asm-math.h>
36	#include <iprt/file.h>
37	#include <iprt/list.h>
38	#ifdef IN_RING3
39	# include <iprt/mem.h>
40	# include <iprt/semaphore.h>
41	# include <iprt/string.h>
42	# include <iprt/uuid.h>
43	#endif
44
45	#include "VBoxDD.h"
46
47	#include "AudioMixBuffer.h"
48	#include "AudioMixer.h"
49
50	#include "DevHDA.h"
51	#include "DevHDACommon.h"
52
53	#include "HDACodec.h"
54	#include "HDAStream.h"
55	# if defined(VBOX_WITH_HDA_AUDIO_INTERLEAVING_STREAMS_SUPPORT) \|\| defined(VBOX_WITH_AUDIO_HDA_51_SURROUND)
56	# include "HDAStreamChannel.h"
57	# endif
58	#include "HDAStreamMap.h"
59	#include "HDAStreamPeriod.h"
60
61	#include "DrvAudio.h"
62
63
64	/*********************************************************************************************************************************
65	* Defined Constants And Macros *
66	*********************************************************************************************************************************/
67	//#define HDA_AS_PCI_EXPRESS
68	#define VBOX_WITH_INTEL_HDA
69
70	/* Installs a DMA access handler (via PGM callback) to monitor
71	* HDA's DMA operations, that is, writing / reading audio stream data.
72	*
73	* !!! Note: Certain guests are that timing sensitive that when enabling !!!
74	* !!! such a handler will mess up audio completely (e.g. Windows 7). !!! */
75	//#define HDA_USE_DMA_ACCESS_HANDLER
76	#ifdef HDA_USE_DMA_ACCESS_HANDLER
77	# include <VBox/vmm/pgm.h>
78	#endif
79
80	/* Uses the DMA access handler to read the written DMA audio (output) data.
81	* Only valid if HDA_USE_DMA_ACCESS_HANDLER is set.
82	*
83	* Also see the note / warning for HDA_USE_DMA_ACCESS_HANDLER. */
84	//# define HDA_USE_DMA_ACCESS_HANDLER_WRITING
85
86	/* Useful to debug the device' timing. */
87	//#define HDA_DEBUG_TIMING
88
89	/* To debug silence coming from the guest in form of audio gaps.
90	* Very crude implementation for now. */
91	//#define HDA_DEBUG_SILENCE
92
93	#if defined(VBOX_WITH_HP_HDA)
94	/* HP Pavilion dv4t-1300 */
95	# define HDA_PCI_VENDOR_ID 0x103c
96	# define HDA_PCI_DEVICE_ID 0x30f7
97	#elif defined(VBOX_WITH_INTEL_HDA)
98	/* Intel HDA controller */
99	# define HDA_PCI_VENDOR_ID 0x8086
100	# define HDA_PCI_DEVICE_ID 0x2668
101	#elif defined(VBOX_WITH_NVIDIA_HDA)
102	/* nVidia HDA controller */
103	# define HDA_PCI_VENDOR_ID 0x10de
104	# define HDA_PCI_DEVICE_ID 0x0ac0
105	#else
106	# error "Please specify your HDA device vendor/device IDs"
107	#endif
108
109	/* Make sure that interleaving streams support is enabled if the 5.1 surround code is being used. */
110	#if defined (VBOX_WITH_AUDIO_HDA_51_SURROUND) && !defined(VBOX_WITH_HDA_AUDIO_INTERLEAVING_STREAMS_SUPPORT)
111	# define VBOX_WITH_HDA_AUDIO_INTERLEAVING_STREAMS_SUPPORT
112	#endif
113
114
115	/*********************************************************************************************************************************
116	* Structures and Typedefs *
117	*********************************************************************************************************************************/
118
119	/**
120	* Structure defining a (host backend) driver stream.
121	* Each driver has its own instances of audio mixer streams, which then
122	* can go into the same (or even different) audio mixer sinks.
123	*/
124	typedef struct HDADRIVERSTREAM
125	{
126	union
127	{
128	/** Desired playback destination (for an output stream). */
129	PDMAUDIOPLAYBACKDEST Dest;
130	/** Desired recording source (for an input stream). */
131	PDMAUDIORECSOURCE Source;
132	} DestSource;
133	uint8_t Padding1[4];
134	/** Associated mixer handle. */
135	R3PTRTYPE(PAUDMIXSTREAM) pMixStrm;
136	} HDADRIVERSTREAM, *PHDADRIVERSTREAM;
137
138	#ifdef HDA_USE_DMA_ACCESS_HANDLER
139	/**
140	* Struct for keeping an HDA DMA access handler context.
141	*/
142	typedef struct HDADMAACCESSHANDLER
143	{
144	/** Node for storing this handler in our list in HDASTREAMSTATE. */
145	RTLISTNODER3 Node;
146	/** Pointer to stream to which this access handler is assigned to. */
147	R3PTRTYPE(PHDASTREAM) pStream;
148	/** Access handler type handle. */
149	PGMPHYSHANDLERTYPE hAccessHandlerType;
150	/** First address this handler uses. */
151	RTGCPHYS GCPhysFirst;
152	/** Last address this handler uses. */
153	RTGCPHYS GCPhysLast;
154	/** Actual BDLE address to handle. */
155	RTGCPHYS BDLEAddr;
156	/** Actual BDLE buffer size to handle. */
157	RTGCPHYS BDLESize;
158	/** Whether the access handler has been registered or not. */
159	bool fRegistered;
160	uint8_t Padding[3];
161	} HDADMAACCESSHANDLER, *PHDADMAACCESSHANDLER;
162	#endif
163
164	/**
165	* Struct for maintaining a host backend driver.
166	* This driver must be associated to one, and only one,
167	* HDA codec. The HDA controller does the actual multiplexing
168	* of HDA codec data to various host backend drivers then.
169	*
170	* This HDA device uses a timer in order to synchronize all
171	* read/write accesses across all attached LUNs / backends.
172	*/
173	typedef struct HDADRIVER
174	{
175	/** Node for storing this driver in our device driver list of HDASTATE. */
176	RTLISTNODER3 Node;
177	/** Pointer to HDA controller (state). */
178	R3PTRTYPE(PHDASTATE) pHDAState;
179	/** Driver flags. */
180	PDMAUDIODRVFLAGS fFlags;
181	uint8_t u32Padding0[2];
182	/** LUN to which this driver has been assigned. */
183	uint8_t uLUN;
184	/** Whether this driver is in an attached state or not. */
185	bool fAttached;
186	/** Pointer to attached driver base interface. */
187	R3PTRTYPE(PPDMIBASE) pDrvBase;
188	/** Audio connector interface to the underlying host backend. */
189	R3PTRTYPE(PPDMIAUDIOCONNECTOR) pConnector;
190	/** Mixer stream for line input. */
191	HDADRIVERSTREAM LineIn;
192	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
193	/** Mixer stream for mic input. */
194	HDADRIVERSTREAM MicIn;
195	#endif
196	/** Mixer stream for front output. */
197	HDADRIVERSTREAM Front;
198	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
199	/** Mixer stream for center/LFE output. */
200	HDADRIVERSTREAM CenterLFE;
201	/** Mixer stream for rear output. */
202	HDADRIVERSTREAM Rear;
203	#endif
204	} HDADRIVER;
205
206
207	/*********************************************************************************************************************************
208	* Internal Functions *
209	*********************************************************************************************************************************/
210	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
211	#ifdef IN_RING3
212	static void hdaGCTLReset(PHDASTATE pThis);
213	#endif
214
215	/** @name Register read/write stubs.
216	* @{
217	*/
218	static int hdaRegReadUnimpl(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
219	static int hdaRegWriteUnimpl(PHDASTATE pThis, uint32_t iReg, uint32_t pu32Value);
220	/** @} */
221
222	/** @name Global register set read/write functions.
223	* @{
224	*/
225	static int hdaRegWriteGCTL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
226	static int hdaRegReadLPIB(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
227	static int hdaRegReadWALCLK(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
228	static int hdaRegWriteCORBWP(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
229	static int hdaRegWriteCORBRP(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
230	static int hdaRegWriteCORBCTL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
231	static int hdaRegWriteCORBSIZE(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
232	static int hdaRegWriteCORBSTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
233	static int hdaRegWriteRINTCNT(PHDASTATE pThis, uint32_t iReg, uint32_t pu32Value);
234	static int hdaRegWriteRIRBWP(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
235	static int hdaRegWriteRIRBSTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
236	static int hdaRegWriteSTATESTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
237	static int hdaRegWriteIRS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
238	static int hdaRegReadIRS(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
239	static int hdaRegWriteBase(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
240	/** @} */
241
242	/** @name {IOB}SDn write functions.
243	* @{
244	*/
245	static int hdaRegWriteSDCBL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
246	static int hdaRegWriteSDCTL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
247	static int hdaRegWriteSDSTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
248	static int hdaRegWriteSDLVI(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
249	static int hdaRegWriteSDFIFOW(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
250	static int hdaRegWriteSDFIFOS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
251	static int hdaRegWriteSDFMT(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
252	static int hdaRegWriteSDBDPL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
253	static int hdaRegWriteSDBDPU(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
254	/** @} */
255
256	/** @name Generic register read/write functions.
257	* @{
258	*/
259	static int hdaRegReadU32(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
260	static int hdaRegWriteU32(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
261	static int hdaRegReadU24(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
262	#ifdef IN_RING3
263	static int hdaRegWriteU24(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
264	#endif
265	static int hdaRegReadU16(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
266	static int hdaRegWriteU16(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
267	static int hdaRegReadU8(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
268	static int hdaRegWriteU8(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
269	/** @} */
270
271	/** @name HDA device functions.
272	* @{
273	*/
274	#ifdef IN_RING3
275	# ifdef HDA_USE_DMA_ACCESS_HANDLER
276	static DECLCALLBACK(VBOXSTRICTRC) hdaDMAAccessHandler(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys, void pvPhys, void pvBuf, size_t cbBuf, PGMACCESSTYPE enmAccessType, PGMACCESSORIGIN enmOrigin, void *pvUser);
277	# endif
278	static void hdaDoTransfers(PHDASTATE pThis);
279	#endif /* IN_RING3 */
280	/** @} */
281
282	/** @name Timer functions.
283	* @{
284	*/
285	#ifdef IN_RING3
286	static void hdaTimerMain(PHDASTATE pThis);
287	#endif
288	/** @} */
289
290
291	/*********************************************************************************************************************************
292	* Global Variables *
293	*********************************************************************************************************************************/
294
295	/** No register description (RD) flags defined. */
296	#define HDA_RD_FLAG_NONE 0
297	/** Writes to SD are allowed while RUN bit is set. */
298	#define HDA_RD_FLAG_SD_WRITE_RUN RT_BIT(0)
299
300	/** Emits a single audio stream register set (e.g. OSD0) at a specified offset. */
301	#define HDA_REG_MAP_STRM(offset, name) \
302	/* offset size read mask write mask flags read callback write callback index + abbrev description */ \
303	/* ------- ------- ---------- ---------- ------------------------- -------------- ----------------- ----------------------------- ----------- */ \
304	/* Offset 0x80 (SD0) */ \
305	{ offset, 0x00003, 0x00FF001F, 0x00F0001F, HDA_RD_FLAG_SD_WRITE_RUN, hdaRegReadU24 , hdaRegWriteSDCTL , HDA_REG_IDX_STRM(name, CTL) , #name " Stream Descriptor Control" }, \
306	/* Offset 0x83 (SD0) */ \
307	{ offset + 0x3, 0x00001, 0x0000003C, 0x0000001C, HDA_RD_FLAG_SD_WRITE_RUN, hdaRegReadU8 , hdaRegWriteSDSTS , HDA_REG_IDX_STRM(name, STS) , #name " Status" }, \
308	/* Offset 0x84 (SD0) */ \
309	{ offset + 0x4, 0x00004, 0xFFFFFFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadLPIB, hdaRegWriteU32 , HDA_REG_IDX_STRM(name, LPIB) , #name " Link Position In Buffer" }, \
310	/* Offset 0x88 (SD0) */ \
311	{ offset + 0x8, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteSDCBL , HDA_REG_IDX_STRM(name, CBL) , #name " Cyclic Buffer Length" }, \
312	/* Offset 0x8C (SD0) */ \
313	{ offset + 0xC, 0x00002, 0x0000FFFF, 0x0000FFFF, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteSDLVI , HDA_REG_IDX_STRM(name, LVI) , #name " Last Valid Index" }, \
314	/* Reserved: FIFO Watermark. ** @todo Document this! */ \
315	{ offset + 0xE, 0x00002, 0x00000007, 0x00000007, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteSDFIFOW, HDA_REG_IDX_STRM(name, FIFOW), #name " FIFO Watermark" }, \
316	/* Offset 0x90 (SD0) */ \
317	{ offset + 0x10, 0x00002, 0x000000FF, 0x000000FF, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteSDFIFOS, HDA_REG_IDX_STRM(name, FIFOS), #name " FIFO Size" }, \
318	/* Offset 0x92 (SD0) */ \
319	{ offset + 0x12, 0x00002, 0x00007F7F, 0x00007F7F, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteSDFMT , HDA_REG_IDX_STRM(name, FMT) , #name " Stream Format" }, \
320	/* Reserved: 0x94 - 0x98. */ \
321	/* Offset 0x98 (SD0) */ \
322	{ offset + 0x18, 0x00004, 0xFFFFFF80, 0xFFFFFF80, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteSDBDPL , HDA_REG_IDX_STRM(name, BDPL) , #name " Buffer Descriptor List Pointer-Lower Base Address" }, \
323	/* Offset 0x9C (SD0) */ \
324	{ offset + 0x1C, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteSDBDPU , HDA_REG_IDX_STRM(name, BDPU) , #name " Buffer Descriptor List Pointer-Upper Base Address" }
325
326	/** Defines a single audio stream register set (e.g. OSD0). */
327	#define HDA_REG_MAP_DEF_STREAM(index, name) \
328	HDA_REG_MAP_STRM(HDA_REG_DESC_SD0_BASE + (index * 32 /* 0x20 */), name)
329
330	/* See 302349 p 6.2. */
331	const HDAREGDESC g_aHdaRegMap[HDA_NUM_REGS] =
332	{
333	/* offset size read mask write mask flags read callback write callback index + abbrev */
334	/------- ------- ---------- ---------- ----------------- ---------------- ------------------- ------------------------ /
335	{ 0x00000, 0x00002, 0x0000FFFB, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , HDA_REG_IDX(GCAP) }, /* Global Capabilities */
336	{ 0x00002, 0x00001, 0x000000FF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteUnimpl , HDA_REG_IDX(VMIN) }, /* Minor Version */
337	{ 0x00003, 0x00001, 0x000000FF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteUnimpl , HDA_REG_IDX(VMAJ) }, /* Major Version */
338	{ 0x00004, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteU16 , HDA_REG_IDX(OUTPAY) }, /* Output Payload Capabilities */
339	{ 0x00006, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , HDA_REG_IDX(INPAY) }, /* Input Payload Capabilities */
340	{ 0x00008, 0x00004, 0x00000103, 0x00000103, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteGCTL , HDA_REG_IDX(GCTL) }, /* Global Control */
341	{ 0x0000c, 0x00002, 0x00007FFF, 0x00007FFF, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteU16 , HDA_REG_IDX(WAKEEN) }, /* Wake Enable */
342	{ 0x0000e, 0x00002, 0x00000007, 0x00000007, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteSTATESTS, HDA_REG_IDX(STATESTS) }, /* State Change Status */
343	{ 0x00010, 0x00002, 0xFFFFFFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadUnimpl, hdaRegWriteUnimpl , HDA_REG_IDX(GSTS) }, /* Global Status */
344	{ 0x00018, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteU16 , HDA_REG_IDX(OUTSTRMPAY) }, /* Output Stream Payload Capability */
345	{ 0x0001A, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , HDA_REG_IDX(INSTRMPAY) }, /* Input Stream Payload Capability */
346	{ 0x00020, 0x00004, 0xC00000FF, 0xC00000FF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteU32 , HDA_REG_IDX(INTCTL) }, /* Interrupt Control */
347	{ 0x00024, 0x00004, 0xC00000FF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteUnimpl , HDA_REG_IDX(INTSTS) }, /* Interrupt Status */
348	{ 0x00030, 0x00004, 0xFFFFFFFF, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadWALCLK, hdaRegWriteUnimpl , HDA_REG_IDX_NOMEM(WALCLK) }, /* Wall Clock Counter */
349	{ 0x00034, 0x00004, 0x000000FF, 0x000000FF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteU32 , HDA_REG_IDX(SSYNC) }, /* Stream Synchronization */
350	{ 0x00040, 0x00004, 0xFFFFFF80, 0xFFFFFF80, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteBase , HDA_REG_IDX(CORBLBASE) }, /* CORB Lower Base Address */
351	{ 0x00044, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteBase , HDA_REG_IDX(CORBUBASE) }, /* CORB Upper Base Address */
352	{ 0x00048, 0x00002, 0x000000FF, 0x000000FF, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteCORBWP , HDA_REG_IDX(CORBWP) }, /* CORB Write Pointer */
353	{ 0x0004A, 0x00002, 0x000080FF, 0x00008000, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteCORBRP , HDA_REG_IDX(CORBRP) }, /* CORB Read Pointer */
354	{ 0x0004C, 0x00001, 0x00000003, 0x00000003, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteCORBCTL , HDA_REG_IDX(CORBCTL) }, /* CORB Control */
355	{ 0x0004D, 0x00001, 0x00000001, 0x00000001, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteCORBSTS , HDA_REG_IDX(CORBSTS) }, /* CORB Status */
356	{ 0x0004E, 0x00001, 0x000000F3, 0x00000003, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteCORBSIZE, HDA_REG_IDX(CORBSIZE) }, /* CORB Size */
357	{ 0x00050, 0x00004, 0xFFFFFF80, 0xFFFFFF80, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteBase , HDA_REG_IDX(RIRBLBASE) }, /* RIRB Lower Base Address */
358	{ 0x00054, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteBase , HDA_REG_IDX(RIRBUBASE) }, /* RIRB Upper Base Address */
359	{ 0x00058, 0x00002, 0x000000FF, 0x00008000, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteRIRBWP , HDA_REG_IDX(RIRBWP) }, /* RIRB Write Pointer */
360	{ 0x0005A, 0x00002, 0x000000FF, 0x000000FF, HDA_RD_FLAG_NONE, hdaRegReadU16 , hdaRegWriteRINTCNT , HDA_REG_IDX(RINTCNT) }, /* Response Interrupt Count */
361	{ 0x0005C, 0x00001, 0x00000007, 0x00000007, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteU8 , HDA_REG_IDX(RIRBCTL) }, /* RIRB Control */
362	{ 0x0005D, 0x00001, 0x00000005, 0x00000005, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteRIRBSTS , HDA_REG_IDX(RIRBSTS) }, /* RIRB Status */
363	{ 0x0005E, 0x00001, 0x000000F3, 0x00000000, HDA_RD_FLAG_NONE, hdaRegReadU8 , hdaRegWriteUnimpl , HDA_REG_IDX(RIRBSIZE) }, /* RIRB Size */
364	{ 0x00060, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteU32 , HDA_REG_IDX(IC) }, /* Immediate Command */
365	{ 0x00064, 0x00004, 0x00000000, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteUnimpl , HDA_REG_IDX(IR) }, /* Immediate Response */
366	{ 0x00068, 0x00002, 0x00000002, 0x00000002, HDA_RD_FLAG_NONE, hdaRegReadIRS , hdaRegWriteIRS , HDA_REG_IDX(IRS) }, /* Immediate Command Status */
367	{ 0x00070, 0x00004, 0xFFFFFFFF, 0xFFFFFF81, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteBase , HDA_REG_IDX(DPLBASE) }, /* DMA Position Lower Base */
368	{ 0x00074, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_FLAG_NONE, hdaRegReadU32 , hdaRegWriteBase , HDA_REG_IDX(DPUBASE) }, /* DMA Position Upper Base */
369	/* 4 Serial Data In (SDI). */
370	HDA_REG_MAP_DEF_STREAM(0, SD0),
371	HDA_REG_MAP_DEF_STREAM(1, SD1),
372	HDA_REG_MAP_DEF_STREAM(2, SD2),
373	HDA_REG_MAP_DEF_STREAM(3, SD3),
374	/* 4 Serial Data Out (SDO). */
375	HDA_REG_MAP_DEF_STREAM(4, SD4),
376	HDA_REG_MAP_DEF_STREAM(5, SD5),
377	HDA_REG_MAP_DEF_STREAM(6, SD6),
378	HDA_REG_MAP_DEF_STREAM(7, SD7)
379	};
380
381	const HDAREGALIAS g_aHdaRegAliases[] =
382	{
383	{ 0x2084, HDA_REG_SD0LPIB },
384	{ 0x20a4, HDA_REG_SD1LPIB },
385	{ 0x20c4, HDA_REG_SD2LPIB },
386	{ 0x20e4, HDA_REG_SD3LPIB },
387	{ 0x2104, HDA_REG_SD4LPIB },
388	{ 0x2124, HDA_REG_SD5LPIB },
389	{ 0x2144, HDA_REG_SD6LPIB },
390	{ 0x2164, HDA_REG_SD7LPIB }
391	};
392
393	#ifdef IN_RING3
394	/** HDABDLEDESC field descriptors for the v7 saved state. */
395	static SSMFIELD const g_aSSMBDLEDescFields7[] =
396	{
397	SSMFIELD_ENTRY(HDABDLEDESC, u64BufAdr),
398	SSMFIELD_ENTRY(HDABDLEDESC, u32BufSize),
399	SSMFIELD_ENTRY(HDABDLEDESC, fFlags),
400	SSMFIELD_ENTRY_TERM()
401	};
402
403	/** HDABDLESTATE field descriptors for the v6+ saved state. */
404	static SSMFIELD const g_aSSMBDLEStateFields6[] =
405	{
406	SSMFIELD_ENTRY(HDABDLESTATE, u32BDLIndex),
407	SSMFIELD_ENTRY(HDABDLESTATE, cbBelowFIFOW),
408	SSMFIELD_ENTRY_OLD(FIFO, HDA_FIFO_MAX), /* Deprecated; now is handled in the stream's circular buffer. */
409	SSMFIELD_ENTRY(HDABDLESTATE, u32BufOff),
410	SSMFIELD_ENTRY_TERM()
411	};
412
413	/** HDABDLESTATE field descriptors for the v7 saved state. */
414	static SSMFIELD const g_aSSMBDLEStateFields7[] =
415	{
416	SSMFIELD_ENTRY(HDABDLESTATE, u32BDLIndex),
417	SSMFIELD_ENTRY(HDABDLESTATE, cbBelowFIFOW),
418	SSMFIELD_ENTRY(HDABDLESTATE, u32BufOff),
419	SSMFIELD_ENTRY_TERM()
420	};
421
422	/** HDASTREAMSTATE field descriptors for the v6 saved state. */
423	static SSMFIELD const g_aSSMStreamStateFields6[] =
424	{
425	SSMFIELD_ENTRY_OLD(cBDLE, sizeof(uint16_t)), /* Deprecated. */
426	SSMFIELD_ENTRY(HDASTREAMSTATE, uCurBDLE),
427	SSMFIELD_ENTRY_OLD(fStop, 1), /* Deprecated; see SSMR3PutBool(). */
428	SSMFIELD_ENTRY_OLD(fRunning, 1), /* Deprecated; using the HDA_SDCTL_RUN bit is sufficient. */
429	SSMFIELD_ENTRY(HDASTREAMSTATE, fInReset),
430	SSMFIELD_ENTRY_TERM()
431	};
432
433	/** HDASTREAMSTATE field descriptors for the v7 saved state. */
434	static SSMFIELD const g_aSSMStreamStateFields7[] =
435	{
436	SSMFIELD_ENTRY(HDASTREAMSTATE, uCurBDLE),
437	SSMFIELD_ENTRY(HDASTREAMSTATE, fInReset),
438	SSMFIELD_ENTRY(HDASTREAMSTATE, tsTransferNext),
439	SSMFIELD_ENTRY_TERM()
440	};
441
442	/** HDASTREAMPERIOD field descriptors for the v7 saved state. */
443	static SSMFIELD const g_aSSMStreamPeriodFields7[] =
444	{
445	SSMFIELD_ENTRY(HDASTREAMPERIOD, u64StartWalClk),
446	SSMFIELD_ENTRY(HDASTREAMPERIOD, u64ElapsedWalClk),
447	SSMFIELD_ENTRY(HDASTREAMPERIOD, framesTransferred),
448	SSMFIELD_ENTRY(HDASTREAMPERIOD, cIntPending),
449	SSMFIELD_ENTRY_TERM()
450	};
451	#endif
452
453	/**
454	* 32-bit size indexed masks, i.e. g_afMasks[2 bytes] = 0xffff.
455	*/
456	static uint32_t const g_afMasks[5] =
457	{
458	UINT32_C(0), UINT32_C(0x000000ff), UINT32_C(0x0000ffff), UINT32_C(0x00ffffff), UINT32_C(0xffffffff)
459	};
460
461	/**
462	* Acquires the HDA lock.
463	*/
464	#define DEVHDA_LOCK(a_pThis) \
465	do { \
466	int rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, VERR_IGNORED); \
467	AssertRC(rcLock); \
468	} while (0)
469
470	/**
471	* Acquires the HDA lock or returns.
472	*/
473	# define DEVHDA_LOCK_RETURN(a_pThis, a_rcBusy) \
474	do { \
475	int rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, a_rcBusy); \
476	if (rcLock != VINF_SUCCESS) \
477	{ \
478	AssertRC(rcLock); \
479	return rcLock; \
480	} \
481	} while (0)
482
483	/**
484	* Acquires the HDA lock or returns.
485	*/
486	# define DEVHDA_LOCK_RETURN_VOID(a_pThis) \
487	do { \
488	int rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, VERR_IGNORED); \
489	if (rcLock != VINF_SUCCESS) \
490	{ \
491	AssertRC(rcLock); \
492	return; \
493	} \
494	} while (0)
495
496	/**
497	* Releases the HDA lock.
498	*/
499	#define DEVHDA_UNLOCK(a_pThis) \
500	do { PDMCritSectLeave(&(a_pThis)->CritSect); } while (0)
501
502	/**
503	* Acquires the TM lock and HDA lock, returns on failure.
504	*/
505	#define DEVHDA_LOCK_BOTH_RETURN_VOID(a_pThis) \
506	do { \
507	int rcLock = TMTimerLock((a_pThis)->pTimer, VERR_IGNORED); \
508	if (rcLock != VINF_SUCCESS) \
509	{ \
510	AssertRC(rcLock); \
511	return; \
512	} \
513	rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, VERR_IGNORED); \
514	if (rcLock != VINF_SUCCESS) \
515	{ \
516	AssertRC(rcLock); \
517	TMTimerUnlock((a_pThis)->pTimer); \
518	return; \
519	} \
520	} while (0)
521
522	/**
523	* Acquires the TM lock and HDA lock, returns on failure.
524	*/
525	#define DEVHDA_LOCK_BOTH_RETURN(a_pThis, a_rcBusy) \
526	do { \
527	int rcLock = TMTimerLock((a_pThis)->pTimer, (a_rcBusy)); \
528	if (rcLock != VINF_SUCCESS) \
529	return rcLock; \
530	rcLock = PDMCritSectEnter(&(a_pThis)->CritSect, (a_rcBusy)); \
531	if (rcLock != VINF_SUCCESS) \
532	{ \
533	AssertRC(rcLock); \
534	TMTimerUnlock((a_pThis)->pTimer); \
535	return rcLock; \
536	} \
537	} while (0)
538
539	/**
540	* Releases the HDA lock and TM lock.
541	*/
542	#define DEVHDA_UNLOCK_BOTH(a_pThis) \
543	do { \
544	PDMCritSectLeave(&(a_pThis)->CritSect); \
545	TMTimerUnlock((a_pThis)->pTimer); \
546	} while (0)
547
548	#ifdef IN_RING3
549	/**
550	* Retrieves the number of bytes of a FIFOW register.
551	*
552	* @return Number of bytes of a given FIFOW register.
553	*/
554	DECLINLINE(uint8_t) hdaSDFIFOWToBytes(uint32_t u32RegFIFOW)
555	{
556	uint32_t cb;
557	switch (u32RegFIFOW)
558	{
559	case HDA_SDFIFOW_8B: cb = 8; break;
560	case HDA_SDFIFOW_16B: cb = 16; break;
561	case HDA_SDFIFOW_32B: cb = 32; break;
562	default: cb = 0; break;
563	}
564
565	Assert(RT_IS_POWER_OF_TWO(cb));
566	return cb;
567	}
568
569	/**
570	* Reschedules pending interrupts for all audio streams which have complete
571	* audio periods but did not have the chance to issue their (pending) interrupts yet.
572	*
573	* @param pThis The HDA device state.
574	*/
575	static void hdaReschedulePendingInterrupts(PHDASTATE pThis)
576	{
577	bool fInterrupt = false;
578
579	for (uint8_t i = 0; i < HDA_MAX_STREAMS; ++i)
580	{
581	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, i);
582	if (!pStream)
583	continue;
584
585	if ( hdaStreamPeriodIsComplete (&pStream->State.Period)
586	&& hdaStreamPeriodNeedsInterrupt(&pStream->State.Period)
587	&& hdaWalClkSet(pThis, hdaStreamPeriodGetAbsElapsedWalClk(&pStream->State.Period), false /* fForce */))
588	{
589	fInterrupt = true;
590	break;
591	}
592	}
593
594	LogFunc(("fInterrupt=%RTbool\n", fInterrupt));
595
596	#ifndef DEBUG
597	hdaProcessInterrupt(pThis);
598	#else
599	hdaProcessInterrupt(pThis, __FUNCTION__);
600	#endif
601	}
602	#endif
603
604	/**
605	* Looks up a register at the exact offset given by @a offReg.
606	*
607	* @returns Register index on success, -1 if not found.
608	* @param offReg The register offset.
609	*/
610	static int hdaRegLookup(uint32_t offReg)
611	{
612	/*
613	* Aliases.
614	*/
615	if (offReg >= g_aHdaRegAliases[0].offReg)
616	{
617	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegAliases); i++)
618	if (offReg == g_aHdaRegAliases[i].offReg)
619	return g_aHdaRegAliases[i].idxAlias;
620	Assert(g_aHdaRegMap[RT_ELEMENTS(g_aHdaRegMap) - 1].offset < offReg);
621	return -1;
622	}
623
624	/*
625	* Binary search the
626	*/
627	int idxEnd = RT_ELEMENTS(g_aHdaRegMap);
628	int idxLow = 0;
629	for (;;)
630	{
631	int idxMiddle = idxLow + (idxEnd - idxLow) / 2;
632	if (offReg < g_aHdaRegMap[idxMiddle].offset)
633	{
634	if (idxLow == idxMiddle)
635	break;
636	idxEnd = idxMiddle;
637	}
638	else if (offReg > g_aHdaRegMap[idxMiddle].offset)
639	{
640	idxLow = idxMiddle + 1;
641	if (idxLow >= idxEnd)
642	break;
643	}
644	else
645	return idxMiddle;
646	}
647
648	#ifdef RT_STRICT
649	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
650	Assert(g_aHdaRegMap[i].offset != offReg);
651	#endif
652	return -1;
653	}
654
655	/**
656	* Looks up a register covering the offset given by @a offReg.
657	*
658	* @returns Register index on success, -1 if not found.
659	* @param offReg The register offset.
660	*/
661	static int hdaRegLookupWithin(uint32_t offReg)
662	{
663	/*
664	* Aliases.
665	*/
666	if (offReg >= g_aHdaRegAliases[0].offReg)
667	{
668	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegAliases); i++)
669	{
670	uint32_t off = offReg - g_aHdaRegAliases[i].offReg;
671	if (off < 4 && off < g_aHdaRegMap[g_aHdaRegAliases[i].idxAlias].size)
672	return g_aHdaRegAliases[i].idxAlias;
673	}
674	Assert(g_aHdaRegMap[RT_ELEMENTS(g_aHdaRegMap) - 1].offset < offReg);
675	return -1;
676	}
677
678	/*
679	* Binary search the register map.
680	*/
681	int idxEnd = RT_ELEMENTS(g_aHdaRegMap);
682	int idxLow = 0;
683	for (;;)
684	{
685	int idxMiddle = idxLow + (idxEnd - idxLow) / 2;
686	if (offReg < g_aHdaRegMap[idxMiddle].offset)
687	{
688	if (idxLow == idxMiddle)
689	break;
690	idxEnd = idxMiddle;
691	}
692	else if (offReg >= g_aHdaRegMap[idxMiddle].offset + g_aHdaRegMap[idxMiddle].size)
693	{
694	idxLow = idxMiddle + 1;
695	if (idxLow >= idxEnd)
696	break;
697	}
698	else
699	return idxMiddle;
700	}
701
702	#ifdef RT_STRICT
703	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
704	Assert(offReg - g_aHdaRegMap[i].offset >= g_aHdaRegMap[i].size);
705	#endif
706	return -1;
707	}
708
709	#ifdef IN_RING3
710	/**
711	* Synchronizes the CORB / RIRB buffers between internal <-> device state.
712	*
713	* @returns IPRT status code.
714	* @param pThis HDA state.
715	* @param fLocal Specify true to synchronize HDA state's CORB buffer with the device state,
716	* or false to synchronize the device state's RIRB buffer with the HDA state.
717	*
718	* @todo r=andy Break this up into two functions?
719	*/
720	static int hdaCmdSync(PHDASTATE pThis, bool fLocal)
721	{
722	int rc = VINF_SUCCESS;
723	if (fLocal)
724	{
725	if (pThis->u64CORBBase)
726	{
727	AssertPtr(pThis->pu32CorbBuf);
728	Assert(pThis->cbCorbBuf);
729
730	rc = PDMDevHlpPhysRead(pThis->CTX_SUFF(pDevIns), pThis->u64CORBBase, pThis->pu32CorbBuf, pThis->cbCorbBuf);
731	if (RT_FAILURE(rc))
732	AssertRCReturn(rc, rc);
733	}
734	}
735	else
736	{
737	if (pThis->u64RIRBBase)
738	{
739	AssertPtr(pThis->pu64RirbBuf);
740	Assert(pThis->cbRirbBuf);
741
742	rc = PDMDevHlpPCIPhysWrite(pThis->CTX_SUFF(pDevIns), pThis->u64RIRBBase, pThis->pu64RirbBuf, pThis->cbRirbBuf);
743	if (RT_FAILURE(rc))
744	AssertRCReturn(rc, rc);
745	}
746	}
747
748	#ifdef DEBUG_CMD_BUFFER
749	LogFunc(("fLocal=%RTbool\n", fLocal));
750
751	uint8_t i = 0;
752	do
753	{
754	LogFunc(("CORB%02x: ", i));
755	uint8_t j = 0;
756	do
757	{
758	const char *pszPrefix;
759	if ((i + j) == HDA_REG(pThis, CORBRP))
760	pszPrefix = "[R]";
761	else if ((i + j) == HDA_REG(pThis, CORBWP))
762	pszPrefix = "[W]";
763	else
764	pszPrefix = " "; /* three spaces */
765	Log((" %s%08x", pszPrefix, pThis->pu32CorbBuf[i + j]));
766	j++;
767	} while (j < 8);
768	Log(("\n"));
769	i += 8;
770	} while(i != 0);
771
772	do {
773	LogFunc(("RIRB%02x: ", i));
774	uint8_t j = 0;
775	do {
776	const char *prefix;
777	if ((i + j) == HDA_REG(pThis, RIRBWP))
778	prefix = "[W]";
779	else
780	prefix = " ";
781	Log((" %s%016lx", prefix, pThis->pu64RirbBuf[i + j]));
782	} while (++j < 8);
783	Log(("\n"));
784	i += 8;
785	} while (i != 0);
786	#endif
787	return rc;
788	}
789
790	/**
791	* Processes the next CORB buffer command in the queue.
792	* This will invoke the HDA codec verb dispatcher.
793	*
794	* @returns IPRT status code.
795	* @param pThis HDA state.
796	*/
797	static int hdaCORBCmdProcess(PHDASTATE pThis)
798	{
799	uint8_t corbRp = HDA_REG(pThis, CORBRP);
800	uint8_t corbWp = HDA_REG(pThis, CORBWP);
801	uint8_t rirbWp = HDA_REG(pThis, RIRBWP);
802
803	Log3Func(("CORB(RP:%x, WP:%x) RIRBWP:%x\n", corbRp, corbWp, rirbWp));
804
805	if (!(HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA))
806	{
807	LogFunc(("CORB DMA not active, skipping\n"));
808	return VINF_SUCCESS;
809	}
810
811	Assert(pThis->cbCorbBuf);
812
813	int rc = hdaCmdSync(pThis, true /* Sync from guest */);
814	AssertRCReturn(rc, rc);
815
816	uint16_t cIntCnt = HDA_REG(pThis, RINTCNT) & 0xff;
817
818	if (!cIntCnt) /* 0 means 256 interrupts. */
819	cIntCnt = HDA_MAX_RINTCNT;
820
821	Log3Func(("START CORB(RP:%x, WP:%x) RIRBWP:%x, RINTCNT:%RU8/%RU8\n",
822	corbRp, corbWp, rirbWp, pThis->u16RespIntCnt, cIntCnt));
823
824	while (corbRp != corbWp)
825	{
826	corbRp = (corbRp + 1) % (pThis->cbCorbBuf / HDA_CORB_ELEMENT_SIZE); /* Advance +1 as the first command(s) are at CORBWP + 1. */
827
828	uint32_t uCmd = pThis->pu32CorbBuf[corbRp];
829	uint64_t uResp = 0;
830
831	rc = pThis->pCodec->pfnLookup(pThis->pCodec, HDA_CODEC_CMD(uCmd, 0 /* Codec index */), &uResp);
832	if (RT_FAILURE(rc))
833	LogFunc(("Codec lookup failed with rc=%Rrc\n", rc));
834
835	Log3Func(("Codec verb %08x -> response %016lx\n", uCmd, uResp));
836
837	if ( (uResp & CODEC_RESPONSE_UNSOLICITED)
838	&& !(HDA_REG(pThis, GCTL) & HDA_GCTL_UNSOL))
839	{
840	LogFunc(("Unexpected unsolicited response.\n"));
841	HDA_REG(pThis, CORBRP) = corbRp;
842
843	/** @todo r=andy No CORB/RIRB syncing to guest required in that case? */
844	return rc;
845	}
846
847	rirbWp = (rirbWp + 1) % HDA_RIRB_SIZE;
848
849	pThis->pu64RirbBuf[rirbWp] = uResp;
850
851	pThis->u16RespIntCnt++;
852
853	bool fSendInterrupt = false;
854
855	if (pThis->u16RespIntCnt == cIntCnt) /* Response interrupt count reached? */
856	{
857	pThis->u16RespIntCnt = 0; /* Reset internal interrupt response counter. */
858
859	Log3Func(("Response interrupt count reached (%RU16)\n", pThis->u16RespIntCnt));
860	fSendInterrupt = true;
861
862	}
863	else if (corbRp == corbWp) /* Did we reach the end of the current command buffer? */
864	{
865	Log3Func(("Command buffer empty\n"));
866	fSendInterrupt = true;
867	}
868
869	if (fSendInterrupt)
870	{
871	if (HDA_REG(pThis, RIRBCTL) & HDA_RIRBCTL_RINTCTL) /* Response Interrupt Control (RINTCTL) enabled? */
872	{
873	HDA_REG(pThis, RIRBSTS) \|= HDA_RIRBSTS_RINTFL;
874
875	#ifndef DEBUG
876	rc = hdaProcessInterrupt(pThis);
877	#else
878	rc = hdaProcessInterrupt(pThis, __FUNCTION__);
879	#endif
880	}
881	}
882	}
883
884	Log3Func(("END CORB(RP:%x, WP:%x) RIRBWP:%x, RINTCNT:%RU8/%RU8\n",
885	corbRp, corbWp, rirbWp, pThis->u16RespIntCnt, cIntCnt));
886
887	HDA_REG(pThis, CORBRP) = corbRp;
888	HDA_REG(pThis, RIRBWP) = rirbWp;
889
890	rc = hdaCmdSync(pThis, false /* Sync to guest */);
891	AssertRCReturn(rc, rc);
892
893	if (RT_FAILURE(rc))
894	AssertRCReturn(rc, rc);
895
896	return rc;
897	}
898	#endif /* IN_RING3 */
899
900	/* Register access handlers. */
901
902	static int hdaRegReadUnimpl(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
903	{
904	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg);
905	*pu32Value = 0;
906	return VINF_SUCCESS;
907	}
908
909	static int hdaRegWriteUnimpl(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
910	{
911	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
912	return VINF_SUCCESS;
913	}
914
915	/* U8 */
916	static int hdaRegReadU8(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
917	{
918	Assert(((pThis->au32Regs[g_aHdaRegMap[iReg].mem_idx] & g_aHdaRegMap[iReg].readable) & 0xffffff00) == 0);
919	return hdaRegReadU32(pThis, iReg, pu32Value);
920	}
921
922	static int hdaRegWriteU8(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
923	{
924	Assert((u32Value & 0xffffff00) == 0);
925	return hdaRegWriteU32(pThis, iReg, u32Value);
926	}
927
928	/* U16 */
929	static int hdaRegReadU16(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
930	{
931	Assert(((pThis->au32Regs[g_aHdaRegMap[iReg].mem_idx] & g_aHdaRegMap[iReg].readable) & 0xffff0000) == 0);
932	return hdaRegReadU32(pThis, iReg, pu32Value);
933	}
934
935	static int hdaRegWriteU16(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
936	{
937	Assert((u32Value & 0xffff0000) == 0);
938	return hdaRegWriteU32(pThis, iReg, u32Value);
939	}
940
941	/* U24 */
942	static int hdaRegReadU24(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
943	{
944	Assert(((pThis->au32Regs[g_aHdaRegMap[iReg].mem_idx] & g_aHdaRegMap[iReg].readable) & 0xff000000) == 0);
945	return hdaRegReadU32(pThis, iReg, pu32Value);
946	}
947
948	#ifdef IN_RING3
949	static int hdaRegWriteU24(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
950	{
951	Assert((u32Value & 0xff000000) == 0);
952	return hdaRegWriteU32(pThis, iReg, u32Value);
953	}
954	#endif
955
956	/* U32 */
957	static int hdaRegReadU32(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
958	{
959	uint32_t iRegMem = g_aHdaRegMap[iReg].mem_idx;
960
961	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_READ);
962
963	*pu32Value = pThis->au32Regs[iRegMem] & g_aHdaRegMap[iReg].readable;
964
965	DEVHDA_UNLOCK(pThis);
966	return VINF_SUCCESS;
967	}
968
969	static int hdaRegWriteU32(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
970	{
971	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
972
973	uint32_t iRegMem = g_aHdaRegMap[iReg].mem_idx;
974
975	pThis->au32Regs[iRegMem] = (u32Value & g_aHdaRegMap[iReg].writable)
976	\| (pThis->au32Regs[iRegMem] & ~g_aHdaRegMap[iReg].writable);
977	DEVHDA_UNLOCK(pThis);
978	return VINF_SUCCESS;
979	}
980
981	static int hdaRegWriteGCTL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
982	{
983	RT_NOREF_PV(iReg);
984
985	if (u32Value & HDA_GCTL_CRST)
986	{
987	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
988
989	/* Set the CRST bit to indicate that we're leaving reset mode. */
990	HDA_REG(pThis, GCTL) \|= HDA_GCTL_CRST;
991	LogFunc(("Guest leaving HDA reset\n"));
992
993	DEVHDA_UNLOCK(pThis);
994	}
995	else
996	{
997	#ifdef IN_RING3
998	DEVHDA_LOCK(pThis);
999
1000	/* Enter reset state. */
1001	LogFunc(("Guest entering HDA reset with DMA(RIRB:%s, CORB:%s)\n",
1002	HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA ? "on" : "off",
1003	HDA_REG(pThis, RIRBCTL) & HDA_RIRBCTL_RDMAEN ? "on" : "off"));
1004
1005	/* Clear the CRST bit to indicate that we're in reset state. */
1006	HDA_REG(pThis, GCTL) &= ~HDA_GCTL_CRST;
1007
1008	hdaGCTLReset(pThis);
1009
1010	DEVHDA_UNLOCK(pThis);
1011	#else
1012	return VINF_IOM_R3_MMIO_WRITE;
1013	#endif
1014	}
1015
1016	if (u32Value & HDA_GCTL_FCNTRL)
1017	{
1018	DEVHDA_LOCK(pThis);
1019
1020	/* Flush: GSTS:1 set, see 6.2.6. */
1021	HDA_REG(pThis, GSTS) \|= HDA_GSTS_FSTS; /* Set the flush status. */
1022	/* DPLBASE and DPUBASE should be initialized with initial value (see 6.2.6). */
1023
1024	DEVHDA_UNLOCK(pThis);
1025	}
1026
1027	return VINF_SUCCESS;
1028	}
1029
1030	static int hdaRegWriteSTATESTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1031	{
1032	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1033
1034	uint32_t v = HDA_REG_IND(pThis, iReg);
1035	uint32_t nv = u32Value & HDA_STATESTS_SCSF_MASK;
1036
1037	HDA_REG(pThis, STATESTS) &= ~(v & nv); /* Write of 1 clears corresponding bit. */
1038
1039	DEVHDA_UNLOCK(pThis);
1040
1041	return VINF_SUCCESS;
1042	}
1043
1044	static int hdaRegReadLPIB(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1045	{
1046	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_READ);
1047
1048	const uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, LPIB, iReg);
1049	uint32_t u32LPIB = HDA_STREAM_REG(pThis, LPIB, uSD);
1050	#ifdef LOG_ENABLED
1051	const uint32_t u32CBL = HDA_STREAM_REG(pThis, CBL, uSD);
1052	LogFlowFunc(("[SD%RU8] LPIB=%RU32, CBL=%RU32\n", uSD, u32LPIB, u32CBL));
1053	#endif
1054
1055	*pu32Value = u32LPIB;
1056
1057	DEVHDA_UNLOCK(pThis);
1058	return VINF_SUCCESS;
1059	}
1060
1061	#ifdef IN_RING3
1062	/**
1063	* Returns the current maximum value the wall clock counter can be set to.
1064	* This maximum value depends on all currently handled HDA streams and their own current timing.
1065	*
1066	* @return Current maximum value the wall clock counter can be set to.
1067	* @param pThis HDA state.
1068	*
1069	* @remark Does not actually set the wall clock counter.
1070	*/
1071	uint64_t hdaWalClkGetMax(PHDASTATE pThis)
1072	{
1073	const uint64_t u64WalClkCur = ASMAtomicReadU64(&pThis->u64WalClk);
1074	const uint64_t u64FrontAbsWalClk = hdaStreamPeriodGetAbsElapsedWalClk(&hdaGetStreamFromSink(pThis, &pThis->SinkFront)->State.Period);
1075	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
1076	# error "Implement me!"
1077	#endif
1078	const uint64_t u64LineInAbsWalClk = hdaStreamPeriodGetAbsElapsedWalClk(&hdaGetStreamFromSink(pThis, &pThis->SinkLineIn)->State.Period);
1079	#ifdef VBOX_WITH_HDA_MIC_IN
1080	const uint64_t u64MicInAbsWalClk = hdaStreamPeriodGetAbsElapsedWalClk(&hdaGetStreamFromSink(pThis, &pThis->SinkMicIn)->State.Period);
1081	#endif
1082
1083	uint64_t u64WalClkNew = RT_MAX(u64WalClkCur, u64FrontAbsWalClk);
1084	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
1085	# error "Implement me!"
1086	#endif
1087	u64WalClkNew = RT_MAX(u64WalClkNew, u64LineInAbsWalClk);
1088	#ifdef VBOX_WITH_HDA_MIC_IN
1089	u64WalClkNew = RT_MAX(u64WalClkNew, u64MicInAbsWalClk);
1090	#endif
1091
1092	Log3Func(("%RU64 -> Front=%RU64, LineIn=%RU64 -> %RU64\n",
1093	u64WalClkCur, u64FrontAbsWalClk, u64LineInAbsWalClk, u64WalClkNew));
1094
1095	return u64WalClkNew;
1096	}
1097	#endif /* IN_RING3 */
1098
1099	static int hdaRegReadWALCLK(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1100	{
1101	#ifdef IN_RING3
1102	RT_NOREF(iReg);
1103
1104	DEVHDA_LOCK(pThis);
1105
1106	*pu32Value = RT_LO_U32(ASMAtomicReadU64(&pThis->u64WalClk));
1107
1108	Log3Func(("%RU32 (max @ %RU64)\n",*pu32Value, hdaWalClkGetMax(pThis)));
1109
1110	DEVHDA_UNLOCK(pThis);
1111	return VINF_SUCCESS;
1112	#else
1113	RT_NOREF(pThis, iReg, pu32Value);
1114	return VINF_IOM_R3_MMIO_WRITE;
1115	#endif
1116	}
1117
1118	static int hdaRegWriteCORBRP(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1119	{
1120	RT_NOREF(iReg);
1121
1122	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1123
1124	if (u32Value & HDA_CORBRP_RST)
1125	{
1126	/* Do a CORB reset. */
1127	if (pThis->cbCorbBuf)
1128	{
1129	Assert(pThis->pu32CorbBuf);
1130	RT_BZERO((void *)pThis->pu32CorbBuf, pThis->cbCorbBuf);
1131	}
1132
1133	LogRel2(("HDA: CORB reset\n"));
1134
1135	HDA_REG(pThis, CORBRP) = HDA_CORBRP_RST; /* Clears the pointer. */
1136	}
1137	else
1138	HDA_REG(pThis, CORBRP) &= ~HDA_CORBRP_RST; /* Only CORBRP_RST bit is writable. */
1139
1140	DEVHDA_UNLOCK(pThis);
1141	return VINF_SUCCESS;
1142	}
1143
1144	static int hdaRegWriteCORBCTL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1145	{
1146	#ifdef IN_RING3
1147	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1148
1149	int rc = hdaRegWriteU8(pThis, iReg, u32Value);
1150	AssertRC(rc);
1151
1152	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* Start DMA engine. */
1153	{
1154	rc = hdaCORBCmdProcess(pThis);
1155	}
1156	else
1157	LogFunc(("CORB DMA not running, skipping\n"));
1158
1159	DEVHDA_UNLOCK(pThis);
1160	return rc;
1161	#else
1162	RT_NOREF(pThis, iReg, u32Value);
1163	return VINF_IOM_R3_MMIO_WRITE;
1164	#endif
1165	}
1166
1167	static int hdaRegWriteCORBSIZE(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1168	{
1169	#ifdef IN_RING3
1170	RT_NOREF(iReg);
1171
1172	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1173
1174	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* Ignore request if CORB DMA engine is (still) running. */
1175	{
1176	LogFunc(("CORB DMA is (still) running, skipping\n"));
1177
1178	DEVHDA_UNLOCK(pThis);
1179	return VINF_SUCCESS;
1180	}
1181
1182	u32Value = (u32Value & HDA_CORBSIZE_SZ);
1183
1184	uint16_t cEntries = HDA_CORB_SIZE; /* Set default. */
1185
1186	switch (u32Value)
1187	{
1188	case 0: /* 8 byte; 2 entries. */
1189	cEntries = 2;
1190	break;
1191
1192	case 1: /* 64 byte; 16 entries. */
1193	cEntries = 16;
1194	break;
1195
1196	case 2: /* 1 KB; 256 entries. */
1197	/* Use default size. */
1198	break;
1199
1200	default:
1201	LogRel(("HDA: Guest tried to set an invalid CORB size (0x%x), keeping default\n", u32Value));
1202	u32Value = 2;
1203	/* Use default size. */
1204	break;
1205	}
1206
1207	uint32_t cbCorbBuf = cEntries * sizeof(uint32_t);
1208
1209	if (cbCorbBuf != pThis->cbCorbBuf)
1210	{
1211	if (pThis->pu32CorbBuf)
1212	{
1213	RTMemFree(pThis->pu32CorbBuf);
1214	pThis->pu32CorbBuf = NULL;
1215	}
1216
1217	if (cbCorbBuf)
1218	{
1219	Assert(cbCorbBuf % sizeof(uint32_t) == 0);
1220
1221	pThis->pu32CorbBuf = (uint32_t *)RTMemAllocZ(cbCorbBuf);
1222	pThis->cbCorbBuf = cbCorbBuf;
1223	}
1224	}
1225
1226	LogFunc(("CORB buffer size is now %RU32 bytes (%u entries)\n", pThis->cbCorbBuf, pThis->cbCorbBuf / HDA_CORB_ELEMENT_SIZE));
1227
1228	HDA_REG(pThis, CORBSIZE) = u32Value;
1229
1230	DEVHDA_UNLOCK(pThis);
1231	return VINF_SUCCESS;
1232	#else
1233	RT_NOREF(pThis, iReg, u32Value);
1234	return VINF_IOM_R3_MMIO_WRITE;
1235	#endif
1236	}
1237
1238	static int hdaRegWriteCORBSTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1239	{
1240	RT_NOREF_PV(iReg);
1241
1242	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1243
1244	uint32_t v = HDA_REG(pThis, CORBSTS);
1245	HDA_REG(pThis, CORBSTS) &= ~(v & u32Value);
1246
1247	DEVHDA_UNLOCK(pThis);
1248	return VINF_SUCCESS;
1249	}
1250
1251	static int hdaRegWriteCORBWP(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1252	{
1253	#ifdef IN_RING3
1254	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1255
1256	int rc = hdaRegWriteU16(pThis, iReg, u32Value);
1257	if (RT_FAILURE(rc))
1258	AssertRCReturn(rc, rc);
1259
1260	rc = hdaCORBCmdProcess(pThis);
1261
1262	DEVHDA_UNLOCK(pThis);
1263	return rc;
1264	#else
1265	RT_NOREF(pThis, iReg, u32Value);
1266	return VINF_IOM_R3_MMIO_WRITE;
1267	#endif
1268	}
1269
1270	static int hdaRegWriteSDCBL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1271	{
1272	#ifdef IN_RING3
1273	DEVHDA_LOCK(pThis);
1274
1275	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, HDA_SD_NUM_FROM_REG(pThis, CBL, iReg));
1276	if (!pStream)
1277	{
1278	LogFunc(("[SD%RU8] Warning: Changing SDCBL on non-attached stream (0x%x)\n",
1279	HDA_SD_NUM_FROM_REG(pThis, CTL, iReg), u32Value));
1280
1281	DEVHDA_UNLOCK(pThis);
1282	return hdaRegWriteU32(pThis, iReg, u32Value);
1283	}
1284
1285	pStream->u32CBL = u32Value;
1286
1287	LogFlowFunc(("[SD%RU8] CBL=%RU32\n", pStream->u8SD, u32Value));
1288
1289	DEVHDA_UNLOCK(pThis);
1290
1291	int rc2 = hdaRegWriteU32(pThis, iReg, u32Value);
1292	AssertRC(rc2);
1293
1294	return VINF_SUCCESS; /* Always return success to the MMIO handler. */
1295	#else /* !IN_RING3 */
1296	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
1297	return VINF_IOM_R3_MMIO_WRITE;
1298	#endif /* IN_RING3 */
1299	}
1300
1301	static int hdaRegWriteSDCTL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1302	{
1303	#ifdef IN_RING3
1304	DEVHDA_LOCK_BOTH_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1305
1306	/*
1307	* Some guests write too much (that is, 32-bit with the top 8 bit being junk)
1308	* instead of 24-bit required for SDCTL. So just mask this here to be safe.
1309	*/
1310	u32Value = (u32Value & 0x00ffffff);
1311
1312	bool fRun = RT_BOOL(u32Value & HDA_SDCTL_RUN);
1313	bool fInRun = RT_BOOL(HDA_REG_IND(pThis, iReg) & HDA_SDCTL_RUN);
1314
1315	bool fReset = RT_BOOL(u32Value & HDA_SDCTL_SRST);
1316	bool fInReset = RT_BOOL(HDA_REG_IND(pThis, iReg) & HDA_SDCTL_SRST);
1317
1318	/* Get the stream descriptor. */
1319	uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, CTL, iReg);
1320
1321	LogFunc(("[SD%RU8] fRun=%RTbool, fInRun=%RTbool, fReset=%RTbool, fInReset=%RTbool, %R[sdctl]\n",
1322	uSD, fRun, fInRun, fReset, fInReset, u32Value));
1323
1324	/*
1325	* Extract the stream tag the guest wants to use for this specific
1326	* stream descriptor (SDn). This only can happen if the stream is in a non-running
1327	* state, so we're doing the lookup and assignment here.
1328	*
1329	* So depending on the guest OS, SD3 can use stream tag 4, for example.
1330	*/
1331	uint8_t uTag = (u32Value >> HDA_SDCTL_NUM_SHIFT) & HDA_SDCTL_NUM_MASK;
1332	if (uTag > HDA_MAX_TAGS)
1333	{
1334	LogFunc(("[SD%RU8] Warning: Invalid stream tag %RU8 specified!\n", uSD, uTag));
1335
1336	DEVHDA_UNLOCK_BOTH(pThis);
1337	return hdaRegWriteU24(pThis, iReg, u32Value);
1338	}
1339
1340	PHDATAG pTag = &pThis->aTags[uTag];
1341	AssertPtr(pTag);
1342
1343	LogFunc(("[SD%RU8] Using stream tag=%RU8\n", uSD, uTag));
1344
1345	/* Assign new values. */
1346	pTag->uTag = uTag;
1347	pTag->pStream = hdaGetStreamFromSD(pThis, uSD);
1348
1349	PHDASTREAM pStream = pTag->pStream;
1350	AssertPtr(pStream);
1351
1352	if (fInReset)
1353	{
1354	Assert(!fReset);
1355	Assert(!fInRun && !fRun);
1356
1357	/* Exit reset state. */
1358	ASMAtomicXchgBool(&pStream->State.fInReset, false);
1359
1360	/* Report that we're done resetting this stream by clearing SRST. */
1361	HDA_STREAM_REG(pThis, CTL, uSD) &= ~HDA_SDCTL_SRST;
1362
1363	LogFunc(("[SD%RU8] Reset exit\n", uSD));
1364	}
1365	else if (fReset)
1366	{
1367	/* ICH6 datasheet 18.2.33 says that RUN bit should be cleared before initiation of reset. */
1368	Assert(!fInRun && !fRun);
1369
1370	LogFunc(("[SD%RU8] Reset enter\n", uSD));
1371
1372	hdaStreamLock(pStream);
1373
1374	# ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
1375	hdaStreamAsyncIOLock(pStream);
1376	hdaStreamAsyncIOEnable(pStream, false /* fEnable */);
1377	# endif
1378	hdaStreamReset(pThis, pStream, pStream->u8SD);
1379
1380	# ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
1381	hdaStreamAsyncIOUnlock(pStream);
1382	# endif
1383	hdaStreamUnlock(pStream);
1384	}
1385	else
1386	{
1387	/*
1388	* We enter here to change DMA states only.
1389	*/
1390	if (fInRun != fRun)
1391	{
1392	Assert(!fReset && !fInReset);
1393	LogFunc(("[SD%RU8] State changed (fRun=%RTbool)\n", uSD, fRun));
1394
1395	hdaStreamLock(pStream);
1396
1397	# ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
1398	hdaStreamAsyncIOLock(pStream);
1399	hdaStreamAsyncIOEnable(pStream, fRun /* fEnable */);
1400	# endif
1401	/* (Re-)initialize the stream with current values. */
1402	int rc2 = hdaStreamInit(pStream, pStream->u8SD);
1403	AssertRC(rc2);
1404
1405	/* Enable/disable the stream. */
1406	rc2 = hdaStreamEnable(pStream, fRun /* fEnable */);
1407	AssertRC(rc2);
1408
1409	if (fRun)
1410	{
1411	/* Keep track of running streams. */
1412	pThis->cStreamsActive++;
1413
1414	/* (Re-)init the stream's period. */
1415	hdaStreamPeriodInit(&pStream->State.Period,
1416	pStream->u8SD, pStream->u16LVI, pStream->u32CBL, &pStream->State.Cfg);
1417
1418	/* Begin a new period for this stream. */
1419	rc2 = hdaStreamPeriodBegin(&pStream->State.Period, hdaWalClkGetCurrent(pThis)/* Use current wall clock time */);
1420	AssertRC(rc2);
1421
1422	rc2 = hdaTimerSet(pThis, TMTimerGet(pThis->pTimer) + pStream->State.cTransferTicks, false /* fForce */);
1423	AssertRC(rc2);
1424	}
1425	else
1426	{
1427	/* Keep track of running streams. */
1428	Assert(pThis->cStreamsActive);
1429	if (pThis->cStreamsActive)
1430	pThis->cStreamsActive--;
1431
1432	/* Make sure to (re-)schedule outstanding (delayed) interrupts. */
1433	hdaReschedulePendingInterrupts(pThis);
1434
1435	/* Reset the period. */
1436	hdaStreamPeriodReset(&pStream->State.Period);
1437	}
1438
1439	# ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
1440	hdaStreamAsyncIOUnlock(pStream);
1441	# endif
1442	/* Make sure to leave the lock before (eventually) starting the timer. */
1443	hdaStreamUnlock(pStream);
1444	}
1445	}
1446
1447	DEVHDA_UNLOCK_BOTH(pThis);
1448
1449	int rc2 = hdaRegWriteU24(pThis, iReg, u32Value);
1450	AssertRC(rc2);
1451
1452	return VINF_SUCCESS; /* Always return success to the MMIO handler. */
1453	#else /* !IN_RING3 */
1454	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
1455	return VINF_IOM_R3_MMIO_WRITE;
1456	#endif /* IN_RING3 */
1457	}
1458
1459	static int hdaRegWriteSDSTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1460	{
1461	#ifdef IN_RING3
1462	DEVHDA_LOCK_BOTH_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
1463
1464	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, HDA_SD_NUM_FROM_REG(pThis, STS, iReg));
1465	if (!pStream)
1466	{
1467	AssertMsgFailed(("[SD%RU8] Warning: Writing SDSTS on non-attached stream (0x%x)\n",
1468	HDA_SD_NUM_FROM_REG(pThis, STS, iReg), u32Value));
1469
1470	DEVHDA_UNLOCK_BOTH(pThis);
1471	return hdaRegWriteU16(pThis, iReg, u32Value);
1472	}
1473
1474	uint32_t v = HDA_REG_IND(pThis, iReg);
1475
1476	/* Clear (zero) FIFOE, DESE and BCIS bits when writing 1 to it (6.2.33). */
1477	HDA_REG_IND(pThis, iReg) &= ~(u32Value & v);
1478
1479	/* Some guests tend to write SDnSTS even if the stream is not running.
1480	* So make sure to check if the RUN bit is set first. */
1481	const bool fInRun = RT_BOOL(HDA_STREAM_REG(pThis, CTL, pStream->u8SD) & HDA_SDCTL_RUN);
1482
1483	Log3Func(("[SD%RU8] fRun=%RTbool %R[sdsts]\n", pStream->u8SD, fInRun, v));
1484
1485	PHDASTREAMPERIOD pPeriod = &pStream->State.Period;
1486
1487	if (hdaStreamPeriodLock(pPeriod))
1488	{
1489	const bool fNeedsInterrupt = hdaStreamPeriodNeedsInterrupt(pPeriod);
1490	if (fNeedsInterrupt)
1491	hdaStreamPeriodReleaseInterrupt(pPeriod);
1492
1493	if (hdaStreamPeriodIsComplete(pPeriod))
1494	{
1495	/* Make sure to try to update the WALCLK register if a period is complete.
1496	* Use the maximum WALCLK value all (active) streams agree to. */
1497	const uint64_t uWalClkMax = hdaWalClkGetMax(pThis);
1498	if (uWalClkMax > hdaWalClkGetCurrent(pThis))
1499	hdaWalClkSet(pThis, uWalClkMax, false /* fForce */);
1500
1501	hdaStreamPeriodEnd(pPeriod);
1502
1503	if (fInRun)
1504	hdaStreamPeriodBegin(pPeriod, hdaWalClkGetCurrent(pThis) /* Use current wall clock time */);
1505	}
1506
1507	hdaStreamPeriodUnlock(pPeriod); /* Unlock before processing interrupt. */
1508	}
1509
1510	#ifndef DEBUG
1511	hdaProcessInterrupt(pThis);
1512	#else
1513	hdaProcessInterrupt(pThis, __FUNCTION__);
1514	#endif
1515
1516	const uint64_t tsNow = TMTimerGet(pThis->pTimer);
1517	Assert(tsNow >= pStream->State.tsTransferLast);
1518
1519	const uint64_t cTicksElapsed = tsNow - pStream->State.tsTransferLast;
1520	#ifdef LOG_ENABLED
1521	const uint64_t cTicksTransferred = pStream->State.cbTransferProcessed * pStream->State.cTicksPerByte;
1522	#endif
1523
1524	uint64_t cTicksToNext = pStream->State.cTransferTicks;
1525
1526	Log3Func(("[SD%RU8] cTicksElapsed=%RU64, cTicksTransferred=%RU64, cTicksToNext=%RU64\n",
1527	pStream->u8SD, cTicksElapsed, cTicksTransferred, cTicksToNext));
1528
1529	Log3Func(("[SD%RU8] cbTransferProcessed=%RU32, cbTransferChunk=%RU32, cbTransferSize=%RU32\n",
1530	pStream->u8SD, pStream->State.cbTransferProcessed, pStream->State.cbTransferChunk, pStream->State.cbTransferSize));
1531
1532	if (cTicksElapsed <= cTicksToNext)
1533	{
1534	cTicksToNext = cTicksToNext - cTicksElapsed;
1535	}
1536	else /* Catch up. */
1537	{
1538	Log3Func(("[SD%RU8] Warning: Lagging behind (%RU64 ticks elapsed, maximum allowed is %RU64)\n",
1539	pStream->u8SD, cTicksElapsed, cTicksToNext));
1540
1541	LogRelMax2(64, ("HDA: Stream #%RU8 interrupt lagging behind (expected %uus, got %uus), trying to catch up ...\n",
1542	pStream->u8SD,
1543	(TMTimerGetFreq(pThis->pTimer) / pThis->u16TimerHz) / 1000, (tsNow - pStream->State.tsTransferLast) / 1000));
1544
1545	cTicksToNext = 0;
1546	}
1547
1548	Log3Func(("[SD%RU8] -> cTicksToNext=%RU64\n", pStream->u8SD, cTicksToNext));
1549
1550	/* Reset processed data counter. */
1551	pStream->State.cbTransferProcessed = 0;
1552
1553	/* Re-arm the timer. */
1554	hdaTimerSet(pThis, tsNow + cTicksToNext, false /* fForce */);
1555
1556	DEVHDA_UNLOCK_BOTH(pThis);
1557	return VINF_SUCCESS;
1558	#else /* IN_RING3 */
1559	RT_NOREF(pThis, iReg, u32Value);
1560	return VINF_IOM_R3_MMIO_WRITE;
1561	#endif /* !IN_RING3 */
1562	}
1563
1564	static int hdaRegWriteSDLVI(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1565	{
1566	#ifdef IN_RING3
1567	DEVHDA_LOCK(pThis);
1568
1569	if (HDA_REG_IND(pThis, iReg) == u32Value) /* Value already set? */
1570	{
1571	DEVHDA_UNLOCK(pThis);
1572	return VINF_SUCCESS;
1573	}
1574
1575	uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, LVI, iReg);
1576
1577	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, uSD);
1578	if (!pStream)
1579	{
1580	AssertMsgFailed(("[SD%RU8] Warning: Changing SDLVI on non-attached stream (0x%x)\n", uSD, u32Value));
1581
1582	DEVHDA_UNLOCK(pThis);
1583	return hdaRegWriteU16(pThis, iReg, u32Value);
1584	}
1585
1586	/** @todo Validate LVI. */
1587	pStream->u16LVI = u32Value;
1588	LogFunc(("[SD%RU8] Updating LVI to %RU16\n", uSD, pStream->u16LVI));
1589
1590	# ifdef HDA_USE_DMA_ACCESS_HANDLER
1591	if (hdaGetDirFromSD(uSD) == PDMAUDIODIR_OUT)
1592	{
1593	/* Try registering the DMA handlers.
1594	* As we can't be sure in which order LVI + BDL base are set, try registering in both routines. */
1595	if (hdaStreamRegisterDMAHandlers(pThis, pStream))
1596	LogFunc(("[SD%RU8] DMA logging enabled\n", pStream->u8SD));
1597	}
1598	# endif
1599
1600	DEVHDA_UNLOCK(pThis);
1601
1602	int rc2 = hdaRegWriteU16(pThis, iReg, u32Value);
1603	AssertRC(rc2);
1604
1605	return VINF_SUCCESS; /* Always return success to the MMIO handler. */
1606	#else /* !IN_RING3 */
1607	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
1608	return VINF_IOM_R3_MMIO_WRITE;
1609	#endif /* IN_RING3 */
1610	}
1611
1612	static int hdaRegWriteSDFIFOW(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1613	{
1614	#ifdef IN_RING3
1615	DEVHDA_LOCK(pThis);
1616
1617	uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, FIFOW, iReg);
1618
1619	if (hdaGetDirFromSD(uSD) != PDMAUDIODIR_IN) /* FIFOW for input streams only. */
1620	{
1621	LogRel(("HDA: Warning: Guest tried to write read-only FIFOW to output stream #%RU8, ignoring\n", uSD));
1622
1623	DEVHDA_UNLOCK(pThis);
1624	return VINF_SUCCESS;
1625	}
1626
1627	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, HDA_SD_NUM_FROM_REG(pThis, FIFOW, iReg));
1628	if (!pStream)
1629	{
1630	AssertMsgFailed(("[SD%RU8] Warning: Changing FIFOW on non-attached stream (0x%x)\n", uSD, u32Value));
1631
1632	DEVHDA_UNLOCK(pThis);
1633	return hdaRegWriteU16(pThis, iReg, u32Value);
1634	}
1635
1636	uint32_t u32FIFOW = 0;
1637
1638	switch (u32Value)
1639	{
1640	case HDA_SDFIFOW_8B:
1641	case HDA_SDFIFOW_16B:
1642	case HDA_SDFIFOW_32B:
1643	u32FIFOW = u32Value;
1644	break;
1645	default:
1646	LogRel(("HDA: Warning: Guest tried write unsupported FIFOW (0x%x) to stream #%RU8, defaulting to 32 bytes\n",
1647	u32Value, uSD));
1648	AssertFailed();
1649	u32FIFOW = HDA_SDFIFOW_32B;
1650	break;
1651	}
1652
1653	if (u32FIFOW)
1654	{
1655	pStream->u16FIFOW = hdaSDFIFOWToBytes(u32FIFOW);
1656	LogFunc(("[SD%RU8] Updating FIFOW to %RU32 bytes\n", uSD, pStream->u16FIFOW));
1657
1658	DEVHDA_UNLOCK(pThis);
1659
1660	int rc2 = hdaRegWriteU16(pThis, iReg, u32FIFOW);
1661	AssertRC(rc2);
1662	}
1663
1664	DEVHDA_UNLOCK(pThis);
1665	return VINF_SUCCESS; /* Always return success to the MMIO handler. */
1666	#else /* !IN_RING3 */
1667	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
1668	return VINF_IOM_R3_MMIO_WRITE;
1669	#endif /* IN_RING3 */
1670	}
1671
1672	/**
1673	* @note This method could be called for changing value on Output Streams only (ICH6 datasheet 18.2.39).
1674	*/
1675	static int hdaRegWriteSDFIFOS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1676	{
1677	#ifdef IN_RING3
1678	DEVHDA_LOCK(pThis);
1679
1680	uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, FIFOS, iReg);
1681
1682	if (hdaGetDirFromSD(uSD) != PDMAUDIODIR_OUT) /* FIFOS for output streams only. */
1683	{
1684	LogRel(("HDA: Warning: Guest tried to write read-only FIFOS to input stream #%RU8, ignoring\n", uSD));
1685
1686	DEVHDA_UNLOCK(pThis);
1687	return VINF_SUCCESS;
1688	}
1689
1690	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, uSD);
1691	if (!pStream)
1692	{
1693	AssertMsgFailed(("[SD%RU8] Warning: Changing FIFOS on non-attached stream (0x%x)\n", uSD, u32Value));
1694
1695	DEVHDA_UNLOCK(pThis);
1696	return hdaRegWriteU16(pThis, iReg, u32Value);
1697	}
1698
1699	uint32_t u32FIFOS = 0;
1700
1701	switch(u32Value)
1702	{
1703	case HDA_SDOFIFO_16B:
1704	case HDA_SDOFIFO_32B:
1705	case HDA_SDOFIFO_64B:
1706	case HDA_SDOFIFO_128B:
1707	case HDA_SDOFIFO_192B:
1708	case HDA_SDOFIFO_256B:
1709	u32FIFOS = u32Value;
1710	break;
1711
1712	default:
1713	LogRel(("HDA: Warning: Guest tried write unsupported FIFOS (0x%x) to stream #%RU8, defaulting to 192 bytes\n",
1714	u32Value, uSD));
1715	AssertFailed();
1716	u32FIFOS = HDA_SDOFIFO_192B;
1717	break;
1718	}
1719
1720	if (u32FIFOS)
1721	{
1722	pStream->u16FIFOS = u32FIFOS + 1;
1723	LogFunc(("[SD%RU8] Updating FIFOS to %RU32 bytes\n", uSD, pStream->u16FIFOS));
1724
1725	DEVHDA_UNLOCK(pThis);
1726
1727	int rc2 = hdaRegWriteU16(pThis, iReg, u32FIFOS);
1728	AssertRC(rc2);
1729	}
1730	else
1731	DEVHDA_UNLOCK(pThis);
1732
1733	return VINF_SUCCESS; /* Always return success to the MMIO handler. */
1734	#else /* !IN_RING3 */
1735	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
1736	return VINF_IOM_R3_MMIO_WRITE;
1737	#endif /* IN_RING3 */
1738	}
1739
1740	#ifdef IN_RING3
1741	/**
1742	* Adds an audio output stream to the device setup using the given configuration.
1743	*
1744	* @returns IPRT status code.
1745	* @param pThis Device state.
1746	* @param pCfg Stream configuration to use for adding a stream.
1747	*/
1748	static int hdaAddStreamOut(PHDASTATE pThis, PPDMAUDIOSTREAMCFG pCfg)
1749	{
1750	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
1751	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
1752
1753	AssertReturn(pCfg->enmDir == PDMAUDIODIR_OUT, VERR_INVALID_PARAMETER);
1754
1755	LogFlowFunc(("Stream=%s\n", pCfg->szName));
1756
1757	int rc = VINF_SUCCESS;
1758
1759	bool fUseFront = true; /* Always use front out by default. */
1760	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
1761	bool fUseRear;
1762	bool fUseCenter;
1763	bool fUseLFE;
1764
1765	fUseRear = fUseCenter = fUseLFE = false;
1766
1767	/*
1768	* Use commonly used setups for speaker configurations.
1769	*/
1770
1771	/** @todo Make the following configurable through mixer API and/or CFGM? */
1772	switch (pCfg->Props.cChannels)
1773	{
1774	case 3: /* 2.1: Front (Stereo) + LFE. */
1775	{
1776	fUseLFE = true;
1777	break;
1778	}
1779
1780	case 4: /* Quadrophonic: Front (Stereo) + Rear (Stereo). */
1781	{
1782	fUseRear = true;
1783	break;
1784	}
1785
1786	case 5: /* 4.1: Front (Stereo) + Rear (Stereo) + LFE. */
1787	{
1788	fUseRear = true;
1789	fUseLFE = true;
1790	break;
1791	}
1792
1793	case 6: /* 5.1: Front (Stereo) + Rear (Stereo) + Center/LFE. */
1794	{
1795	fUseRear = true;
1796	fUseCenter = true;
1797	fUseLFE = true;
1798	break;
1799	}
1800
1801	default: /* Unknown; fall back to 2 front channels (stereo). */
1802	{
1803	rc = VERR_NOT_SUPPORTED;
1804	break;
1805	}
1806	}
1807	#else /* !VBOX_WITH_AUDIO_HDA_51_SURROUND */
1808	/* Only support mono or stereo channels. */
1809	if ( pCfg->Props.cChannels != 1 /* Mono */
1810	&& pCfg->Props.cChannels != 2 /* Stereo */)
1811	{
1812	rc = VERR_NOT_SUPPORTED;
1813	}
1814	#endif
1815
1816	if (rc == VERR_NOT_SUPPORTED)
1817	{
1818	LogRel2(("HDA: Unsupported channel count (%RU8), falling back to stereo channels\n", pCfg->Props.cChannels));
1819
1820	/* Fall back to 2 channels (see below in fUseFront block). */
1821	rc = VINF_SUCCESS;
1822	}
1823
1824	do
1825	{
1826	if (RT_FAILURE(rc))
1827	break;
1828
1829	if (fUseFront)
1830	{
1831	RTStrPrintf(pCfg->szName, RT_ELEMENTS(pCfg->szName), "Front");
1832
1833	pCfg->DestSource.Dest = PDMAUDIOPLAYBACKDEST_FRONT;
1834	pCfg->enmLayout = PDMAUDIOSTREAMLAYOUT_NON_INTERLEAVED;
1835
1836	pCfg->Props.cChannels = 2;
1837	pCfg->Props.cShift = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfg->Props.cBits, pCfg->Props.cChannels);
1838
1839	rc = hdaCodecRemoveStream(pThis->pCodec, PDMAUDIOMIXERCTL_FRONT);
1840	if (RT_SUCCESS(rc))
1841	rc = hdaCodecAddStream(pThis->pCodec, PDMAUDIOMIXERCTL_FRONT, pCfg);
1842	}
1843
1844	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
1845	if ( RT_SUCCESS(rc)
1846	&& (fUseCenter \|\| fUseLFE))
1847	{
1848	RTStrPrintf(pCfg->szName, RT_ELEMENTS(pCfg->szName), "Center/LFE");
1849
1850	pCfg->DestSource.Dest = PDMAUDIOPLAYBACKDEST_CENTER_LFE;
1851	pCfg->enmLayout = PDMAUDIOSTREAMLAYOUT_NON_INTERLEAVED;
1852
1853	pCfg->Props.cChannels = (fUseCenter && fUseLFE) ? 2 : 1;
1854	pCfg->Props.cShift = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfg->Props.cBits, pCfg->Props.cChannels);
1855
1856	rc = hdaCodecRemoveStream(pThis->pCodec, PDMAUDIOMIXERCTL_CENTER_LFE);
1857	if (RT_SUCCESS(rc))
1858	rc = hdaCodecAddStream(pThis->pCodec, PDMAUDIOMIXERCTL_CENTER_LFE, pCfg);
1859	}
1860
1861	if ( RT_SUCCESS(rc)
1862	&& fUseRear)
1863	{
1864	RTStrPrintf(pCfg->szName, RT_ELEMENTS(pCfg->szName), "Rear");
1865
1866	pCfg->DestSource.Dest = PDMAUDIOPLAYBACKDEST_REAR;
1867	pCfg->enmLayout = PDMAUDIOSTREAMLAYOUT_NON_INTERLEAVED;
1868
1869	pCfg->Props.cChannels = 2;
1870	pCfg->Props.cShift = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfg->Props.cBits, pCfg->Props.cChannels);
1871
1872	rc = hdaCodecRemoveStream(pThis->pCodec, PDMAUDIOMIXERCTL_REAR);
1873	if (RT_SUCCESS(rc))
1874	rc = hdaCodecAddStream(pThis->pCodec, PDMAUDIOMIXERCTL_REAR, pCfg);
1875	}
1876	#endif /* VBOX_WITH_AUDIO_HDA_51_SURROUND */
1877
1878	} while (0);
1879
1880	LogFlowFuncLeaveRC(rc);
1881	return rc;
1882	}
1883
1884	/**
1885	* Adds an audio input stream to the device setup using the given configuration.
1886	*
1887	* @returns IPRT status code.
1888	* @param pThis Device state.
1889	* @param pCfg Stream configuration to use for adding a stream.
1890	*/
1891	static int hdaAddStreamIn(PHDASTATE pThis, PPDMAUDIOSTREAMCFG pCfg)
1892	{
1893	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
1894	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
1895
1896	AssertReturn(pCfg->enmDir == PDMAUDIODIR_IN, VERR_INVALID_PARAMETER);
1897
1898	LogFlowFunc(("Stream=%s, Source=%ld\n", pCfg->szName, pCfg->DestSource.Source));
1899
1900	int rc;
1901
1902	switch (pCfg->DestSource.Source)
1903	{
1904	case PDMAUDIORECSOURCE_LINE:
1905	{
1906	rc = hdaCodecRemoveStream(pThis->pCodec, PDMAUDIOMIXERCTL_LINE_IN);
1907	if (RT_SUCCESS(rc))
1908	rc = hdaCodecAddStream(pThis->pCodec, PDMAUDIOMIXERCTL_LINE_IN, pCfg);
1909	break;
1910	}
1911	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
1912	case PDMAUDIORECSOURCE_MIC:
1913	{
1914	rc = hdaCodecRemoveStream(pThis->pCodec, PDMAUDIOMIXERCTL_MIC_IN);
1915	if (RT_SUCCESS(rc))
1916	rc = hdaCodecAddStream(pThis->pCodec, PDMAUDIOMIXERCTL_MIC_IN, pCfg);
1917	break;
1918	}
1919	#endif
1920	default:
1921	rc = VERR_NOT_SUPPORTED;
1922	break;
1923	}
1924
1925	LogFlowFuncLeaveRC(rc);
1926	return rc;
1927	}
1928
1929	/**
1930	* Adds an audio stream to the device setup using the given configuration.
1931	*
1932	* @returns IPRT status code.
1933	* @param pThis Device state.
1934	* @param pCfg Stream configuration to use for adding a stream.
1935	*/
1936	static int hdaAddStream(PHDASTATE pThis, PPDMAUDIOSTREAMCFG pCfg)
1937	{
1938	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
1939	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
1940
1941	int rc = VINF_SUCCESS;
1942
1943	PHDADRIVER pDrv;
1944	RTListForEach(&pThis->lstDrv, pDrv, HDADRIVER, Node)
1945	{
1946	int rc2;
1947
1948	switch (pCfg->enmDir)
1949	{
1950	case PDMAUDIODIR_OUT:
1951	rc2 = hdaAddStreamOut(pThis, pCfg);
1952	break;
1953
1954	case PDMAUDIODIR_IN:
1955	rc2 = hdaAddStreamIn(pThis, pCfg);
1956	break;
1957
1958	default:
1959	rc2 = VERR_NOT_SUPPORTED;
1960	AssertFailed();
1961	break;
1962	}
1963
1964	if ( RT_FAILURE(rc2)
1965	&& (pDrv->fFlags & PDMAUDIODRVFLAGS_PRIMARY)) /* We only care about primary drivers here, the rest may fail. */
1966	{
1967	if (RT_SUCCESS(rc))
1968	rc = rc2;
1969	/* Keep going. */
1970	}
1971	}
1972
1973	return rc;
1974	}
1975	#endif /* IN_RING3 */
1976
1977	static int hdaRegWriteSDFMT(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1978	{
1979	#ifdef IN_RING3
1980	DEVHDA_LOCK(pThis);
1981
1982	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, HDA_SD_NUM_FROM_REG(pThis, FMT, iReg));
1983	if (!pStream)
1984	{
1985	LogFunc(("[SD%RU8] Warning: Changing SDFMT on non-attached stream (0x%x)\n",
1986	HDA_SD_NUM_FROM_REG(pThis, FMT, iReg), u32Value));
1987	return hdaRegWriteU16(pThis, iReg, u32Value);
1988	}
1989
1990	/* Write the wanted stream format into the register in any case.
1991	*
1992	* This is important for e.g. MacOS guests, as those try to initialize streams which are not reported
1993	* by the device emulation (wants 4 channels, only have 2 channels at the moment).
1994	*
1995	* When ignoring those (invalid) formats, this leads to MacOS thinking that the device is malfunctioning
1996	* and therefore disabling the device completely. */
1997	int rc = hdaRegWriteU16(pThis, iReg, u32Value);
1998	AssertRC(rc);
1999
2000	rc = hdaStreamInit(pStream, pStream->u8SD);
2001	if (RT_SUCCESS(rc))
2002	{
2003	/* Add the stream to the device setup. */
2004	rc = hdaAddStream(pThis, &pStream->State.Cfg);
2005	# ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
2006	if (RT_SUCCESS(rc))
2007	rc = hdaStreamAsyncIOCreate(pStream);
2008	# endif
2009	}
2010
2011	DEVHDA_UNLOCK(pThis);
2012	return VINF_SUCCESS; /* Never return failure. */
2013	#else /* !IN_RING3 */
2014	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value);
2015	return VINF_IOM_R3_MMIO_WRITE;
2016	#endif
2017	}
2018
2019	/* Note: Will be called for both, BDPL and BDPU, registers. */
2020	DECLINLINE(int) hdaRegWriteSDBDPX(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value, uint8_t uSD)
2021	{
2022	#ifdef IN_RING3
2023	int rc2 = hdaRegWriteU32(pThis, iReg, u32Value);
2024	AssertRC(rc2);
2025
2026	DEVHDA_LOCK(pThis);
2027
2028	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, uSD);
2029	if (!pStream)
2030	{
2031	DEVHDA_UNLOCK(pThis);
2032	return VINF_SUCCESS;
2033	}
2034
2035	/* Update BDL base. */
2036	pStream->u64BDLBase = RT_MAKE_U64(HDA_STREAM_REG(pThis, BDPL, uSD),
2037	HDA_STREAM_REG(pThis, BDPU, uSD));
2038
2039	# ifdef HDA_USE_DMA_ACCESS_HANDLER
2040	if (hdaGetDirFromSD(uSD) == PDMAUDIODIR_OUT)
2041	{
2042	/* Try registering the DMA handlers.
2043	* As we can't be sure in which order LVI + BDL base are set, try registering in both routines. */
2044	if (hdaStreamRegisterDMAHandlers(pThis, pStream))
2045	LogFunc(("[SD%RU8] DMA logging enabled\n", pStream->u8SD));
2046	}
2047	# endif
2048
2049	LogFlowFunc(("[SD%RU8] BDLBase=0x%x\n", pStream->u8SD, pStream->u64BDLBase));
2050
2051	DEVHDA_UNLOCK(pThis);
2052
2053	return VINF_SUCCESS; /* Always return success to the MMIO handler. */
2054	#else /* !IN_RING3 */
2055	RT_NOREF_PV(pThis); RT_NOREF_PV(iReg); RT_NOREF_PV(u32Value); RT_NOREF_PV(uSD);
2056	return VINF_IOM_R3_MMIO_WRITE;
2057	#endif /* IN_RING3 */
2058	}
2059
2060	static int hdaRegWriteSDBDPL(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2061	{
2062	return hdaRegWriteSDBDPX(pThis, iReg, u32Value, HDA_SD_NUM_FROM_REG(pThis, BDPL, iReg));
2063	}
2064
2065	static int hdaRegWriteSDBDPU(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2066	{
2067	return hdaRegWriteSDBDPX(pThis, iReg, u32Value, HDA_SD_NUM_FROM_REG(pThis, BDPU, iReg));
2068	}
2069
2070	static int hdaRegReadIRS(PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
2071	{
2072	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_READ);
2073
2074	/* regarding 3.4.3 we should mark IRS as busy in case CORB is active */
2075	if ( HDA_REG(pThis, CORBWP) != HDA_REG(pThis, CORBRP)
2076	\|\| (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA))
2077	{
2078	HDA_REG(pThis, IRS) = HDA_IRS_ICB; /* busy */
2079	}
2080
2081	DEVHDA_UNLOCK(pThis);
2082
2083	return hdaRegReadU32(pThis, iReg, pu32Value);
2084	}
2085
2086	static int hdaRegWriteIRS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2087	{
2088	RT_NOREF_PV(iReg);
2089
2090	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
2091
2092	/*
2093	* If the guest set the ICB bit of IRS register, HDA should process the verb in IC register,
2094	* write the response to IR register, and set the IRV (valid in case of success) bit of IRS register.
2095	*/
2096	if ( (u32Value & HDA_IRS_ICB)
2097	&& !(HDA_REG(pThis, IRS) & HDA_IRS_ICB))
2098	{
2099	#ifdef IN_RING3
2100	uint32_t uCmd = HDA_REG(pThis, IC);
2101
2102	if (HDA_REG(pThis, CORBWP) != HDA_REG(pThis, CORBRP))
2103	{
2104	DEVHDA_UNLOCK(pThis);
2105
2106	/*
2107	* 3.4.3: Defines behavior of immediate Command status register.
2108	*/
2109	LogRel(("HDA: Guest attempted process immediate verb (%x) with active CORB\n", uCmd));
2110	return VINF_SUCCESS;
2111	}
2112
2113	HDA_REG(pThis, IRS) = HDA_IRS_ICB; /* busy */
2114
2115	uint64_t uResp;
2116	int rc2 = pThis->pCodec->pfnLookup(pThis->pCodec,
2117	HDA_CODEC_CMD(uCmd, 0 /* LUN */), &uResp);
2118	if (RT_FAILURE(rc2))
2119	LogFunc(("Codec lookup failed with rc2=%Rrc\n", rc2));
2120
2121	HDA_REG(pThis, IR) = (uint32_t)uResp; /** @todo r=andy Do we need a 64-bit response? */
2122	HDA_REG(pThis, IRS) = HDA_IRS_IRV; /* result is ready */
2123	/** @todo r=michaln We just set the IRS value, why are we clearing unset bits? */
2124	HDA_REG(pThis, IRS) &= ~HDA_IRS_ICB; /* busy is clear */
2125
2126	DEVHDA_UNLOCK(pThis);
2127	return VINF_SUCCESS;
2128	#else /* !IN_RING3 */
2129	DEVHDA_UNLOCK(pThis);
2130	return VINF_IOM_R3_MMIO_WRITE;
2131	#endif /* !IN_RING3 */
2132	}
2133
2134	/*
2135	* Once the guest read the response, it should clear the IRV bit of the IRS register.
2136	*/
2137	HDA_REG(pThis, IRS) &= ~(u32Value & HDA_IRS_IRV);
2138
2139	DEVHDA_UNLOCK(pThis);
2140	return VINF_SUCCESS;
2141	}
2142
2143	static int hdaRegWriteRIRBWP(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2144	{
2145	RT_NOREF(iReg);
2146
2147	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
2148
2149	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* Ignore request if CORB DMA engine is (still) running. */
2150	{
2151	LogFunc(("CORB DMA (still) running, skipping\n"));
2152
2153	DEVHDA_UNLOCK(pThis);
2154	return VINF_SUCCESS;
2155	}
2156
2157	if (u32Value & HDA_RIRBWP_RST)
2158	{
2159	/* Do a RIRB reset. */
2160	if (pThis->cbRirbBuf)
2161	{
2162	Assert(pThis->pu64RirbBuf);
2163	RT_BZERO((void *)pThis->pu64RirbBuf, pThis->cbRirbBuf);
2164	}
2165
2166	LogRel2(("HDA: RIRB reset\n"));
2167
2168	HDA_REG(pThis, RIRBWP) = 0;
2169	}
2170
2171	DEVHDA_UNLOCK(pThis);
2172
2173	/* The remaining bits are O, see 6.2.22. */
2174	return VINF_SUCCESS;
2175	}
2176
2177	static int hdaRegWriteRINTCNT(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2178	{
2179	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
2180
2181	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* Ignore request if CORB DMA engine is (still) running. */
2182	{
2183	LogFunc(("CORB DMA is (still) running, skipping\n"));
2184
2185	DEVHDA_UNLOCK(pThis);
2186	return VINF_SUCCESS;
2187	}
2188
2189	RT_NOREF(iReg);
2190
2191	int rc = hdaRegWriteU16(pThis, iReg, u32Value);
2192	AssertRC(rc);
2193
2194	LogFunc(("Response interrupt count is now %RU8\n", HDA_REG(pThis, RINTCNT) & 0xFF));
2195
2196	DEVHDA_UNLOCK(pThis);
2197	return rc;
2198	}
2199
2200	static int hdaRegWriteBase(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2201	{
2202	uint32_t iRegMem = g_aHdaRegMap[iReg].mem_idx;
2203	int rc = hdaRegWriteU32(pThis, iReg, u32Value);
2204	if (RT_FAILURE(rc))
2205	AssertRCReturn(rc, rc);
2206
2207	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
2208
2209	switch(iReg)
2210	{
2211	case HDA_REG_CORBLBASE:
2212	pThis->u64CORBBase &= UINT64_C(0xFFFFFFFF00000000);
2213	pThis->u64CORBBase \|= pThis->au32Regs[iRegMem];
2214	break;
2215	case HDA_REG_CORBUBASE:
2216	pThis->u64CORBBase &= UINT64_C(0x00000000FFFFFFFF);
2217	pThis->u64CORBBase \|= ((uint64_t)pThis->au32Regs[iRegMem] << 32);
2218	break;
2219	case HDA_REG_RIRBLBASE:
2220	pThis->u64RIRBBase &= UINT64_C(0xFFFFFFFF00000000);
2221	pThis->u64RIRBBase \|= pThis->au32Regs[iRegMem];
2222	break;
2223	case HDA_REG_RIRBUBASE:
2224	pThis->u64RIRBBase &= UINT64_C(0x00000000FFFFFFFF);
2225	pThis->u64RIRBBase \|= ((uint64_t)pThis->au32Regs[iRegMem] << 32);
2226	break;
2227	case HDA_REG_DPLBASE:
2228	{
2229	pThis->u64DPBase = pThis->au32Regs[iRegMem] & DPBASE_ADDR_MASK;
2230	Assert(pThis->u64DPBase % 128 == 0); /* Must be 128-byte aligned. */
2231
2232	/* Also make sure to handle the DMA position enable bit. */
2233	pThis->fDMAPosition = pThis->au32Regs[iRegMem] & RT_BIT_32(0);
2234	LogRel(("HDA: %s DMA position buffer\n", pThis->fDMAPosition ? "Enabled" : "Disabled"));
2235	break;
2236	}
2237	case HDA_REG_DPUBASE:
2238	pThis->u64DPBase = RT_MAKE_U64(RT_LO_U32(pThis->u64DPBase) & DPBASE_ADDR_MASK, pThis->au32Regs[iRegMem]);
2239	break;
2240	default:
2241	AssertMsgFailed(("Invalid index\n"));
2242	break;
2243	}
2244
2245	LogFunc(("CORB base:%llx RIRB base: %llx DP base: %llx\n",
2246	pThis->u64CORBBase, pThis->u64RIRBBase, pThis->u64DPBase));
2247
2248	DEVHDA_UNLOCK(pThis);
2249	return rc;
2250	}
2251
2252	static int hdaRegWriteRIRBSTS(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2253	{
2254	RT_NOREF_PV(iReg);
2255
2256	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
2257
2258	uint8_t v = HDA_REG(pThis, RIRBSTS);
2259	HDA_REG(pThis, RIRBSTS) &= ~(v & u32Value);
2260
2261	DEVHDA_UNLOCK(pThis);
2262
2263	#ifndef DEBUG
2264	return hdaProcessInterrupt(pThis);
2265	#else
2266	return hdaProcessInterrupt(pThis, __FUNCTION__);
2267	#endif
2268	}
2269
2270	#ifdef IN_RING3
2271
2272	#ifdef LOG_ENABLED
2273	static void hdaBDLEDumpAll(PHDASTATE pThis, uint64_t u64BDLBase, uint16_t cBDLE)
2274	{
2275	LogFlowFunc(("BDLEs @ 0x%x (%RU16):\n", u64BDLBase, cBDLE));
2276	if (!u64BDLBase)
2277	return;
2278
2279	uint32_t cbBDLE = 0;
2280	for (uint16_t i = 0; i < cBDLE; i++)
2281	{
2282	HDABDLEDESC bd;
2283	PDMDevHlpPhysRead(pThis->CTX_SUFF(pDevIns), u64BDLBase + i * sizeof(HDABDLEDESC), &bd, sizeof(bd));
2284
2285	LogFunc(("\t#%03d BDLE(adr:0x%llx, size:%RU32, ioc:%RTbool)\n",
2286	i, bd.u64BufAdr, bd.u32BufSize, bd.fFlags & HDA_BDLE_FLAG_IOC));
2287
2288	cbBDLE += bd.u32BufSize;
2289	}
2290
2291	LogFlowFunc(("Total: %RU32 bytes\n", cbBDLE));
2292
2293	if (!pThis->u64DPBase) /* No DMA base given? Bail out. */
2294	return;
2295
2296	LogFlowFunc(("DMA counters:\n"));
2297
2298	for (int i = 0; i < cBDLE; i++)
2299	{
2300	uint32_t uDMACnt;
2301	PDMDevHlpPhysRead(pThis->CTX_SUFF(pDevIns), (pThis->u64DPBase & DPBASE_ADDR_MASK) + (i * 2 * sizeof(uint32_t)),
2302	&uDMACnt, sizeof(uDMACnt));
2303
2304	LogFlowFunc(("\t#%03d DMA @ 0x%x\n", i , uDMACnt));
2305	}
2306	}
2307	#endif /* LOG_ENABLED */
2308
2309	/**
2310	* Retrieves a corresponding sink for a given mixer control.
2311	* Returns NULL if no sink is found.
2312	*
2313	* @return PHDAMIXERSINK
2314	* @param pThis HDA state.
2315	* @param enmMixerCtl Mixer control to get the corresponding sink for.
2316	*/
2317	static PHDAMIXERSINK hdaMixerControlToSink(PHDASTATE pThis, PDMAUDIOMIXERCTL enmMixerCtl)
2318	{
2319	PHDAMIXERSINK pSink;
2320
2321	switch (enmMixerCtl)
2322	{
2323	case PDMAUDIOMIXERCTL_VOLUME_MASTER:
2324	/* Fall through is intentional. */
2325	case PDMAUDIOMIXERCTL_FRONT:
2326	pSink = &pThis->SinkFront;
2327	break;
2328	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2329	case PDMAUDIOMIXERCTL_CENTER_LFE:
2330	pSink = &pThis->SinkCenterLFE;
2331	break;
2332	case PDMAUDIOMIXERCTL_REAR:
2333	pSink = &pThis->SinkRear;
2334	break;
2335	#endif
2336	case PDMAUDIOMIXERCTL_LINE_IN:
2337	pSink = &pThis->SinkLineIn;
2338	break;
2339	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2340	case PDMAUDIOMIXERCTL_MIC_IN:
2341	pSink = &pThis->SinkMicIn;
2342	break;
2343	#endif
2344	default:
2345	pSink = NULL;
2346	AssertMsgFailed(("Unhandled mixer control\n"));
2347	break;
2348	}
2349
2350	return pSink;
2351	}
2352
2353	/**
2354	* Adds a driver stream to a specific mixer sink.
2355	*
2356	* @returns IPRT status code.
2357	* @param pThis HDA state.
2358	* @param pMixSink Audio mixer sink to add audio streams to.
2359	* @param pCfg Audio stream configuration to use for the audio streams to add.
2360	* @param pDrv Driver stream to add.
2361	*/
2362	static int hdaMixerAddDrvStream(PHDASTATE pThis, PAUDMIXSINK pMixSink, PPDMAUDIOSTREAMCFG pCfg, PHDADRIVER pDrv)
2363	{
2364	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
2365	AssertPtrReturn(pMixSink, VERR_INVALID_POINTER);
2366	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2367
2368	LogFunc(("Sink=%s, Stream=%s\n", pMixSink->pszName, pCfg->szName));
2369
2370	PPDMAUDIOSTREAMCFG pStreamCfg = DrvAudioHlpStreamCfgDup(pCfg);
2371	if (!pStreamCfg)
2372	return VERR_NO_MEMORY;
2373
2374	if (!RTStrPrintf(pStreamCfg->szName, sizeof(pStreamCfg->szName), "%s", pCfg->szName))
2375	{
2376	RTMemFree(pStreamCfg);
2377	return VERR_BUFFER_OVERFLOW;
2378	}
2379
2380	LogFunc(("[LUN#%RU8] %s\n", pDrv->uLUN, pStreamCfg->szName));
2381
2382	int rc = VINF_SUCCESS;
2383
2384	PHDADRIVERSTREAM pDrvStream = NULL;
2385
2386	if (pStreamCfg->enmDir == PDMAUDIODIR_IN)
2387	{
2388	LogFunc(("enmRecSource=%d\n", pStreamCfg->DestSource.Source));
2389
2390	switch (pStreamCfg->DestSource.Source)
2391	{
2392	case PDMAUDIORECSOURCE_LINE:
2393	pDrvStream = &pDrv->LineIn;
2394	break;
2395	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2396	case PDMAUDIORECSOURCE_MIC:
2397	pDrvStream = &pDrv->MicIn;
2398	break;
2399	#endif
2400	default:
2401	rc = VERR_NOT_SUPPORTED;
2402	break;
2403	}
2404	}
2405	else if (pStreamCfg->enmDir == PDMAUDIODIR_OUT)
2406	{
2407	LogFunc(("enmPlaybackDest=%d\n", pStreamCfg->DestSource.Dest));
2408
2409	switch (pStreamCfg->DestSource.Dest)
2410	{
2411	case PDMAUDIOPLAYBACKDEST_FRONT:
2412	pDrvStream = &pDrv->Front;
2413	break;
2414	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2415	case PDMAUDIOPLAYBACKDEST_CENTER_LFE:
2416	pDrvStream = &pDrv->CenterLFE;
2417	break;
2418	case PDMAUDIOPLAYBACKDEST_REAR:
2419	pDrvStream = &pDrv->Rear;
2420	break;
2421	#endif
2422	default:
2423	rc = VERR_NOT_SUPPORTED;
2424	break;
2425	}
2426	}
2427	else
2428	rc = VERR_NOT_SUPPORTED;
2429
2430	if (RT_SUCCESS(rc))
2431	{
2432	AssertPtr(pDrvStream);
2433	AssertMsg(pDrvStream->pMixStrm == NULL, ("[LUN#%RU8] Driver stream already present when it must not\n", pDrv->uLUN));
2434
2435	PAUDMIXSTREAM pMixStrm;
2436	rc = AudioMixerSinkCreateStream(pMixSink, pDrv->pConnector, pStreamCfg, 0 /* fFlags */, &pMixStrm);
2437	if (RT_SUCCESS(rc))
2438	{
2439	rc = AudioMixerSinkAddStream(pMixSink, pMixStrm);
2440	LogFlowFunc(("LUN#%RU8: Added \"%s\" to sink, rc=%Rrc\n", pDrv->uLUN, pStreamCfg->szName, rc));
2441	}
2442
2443	if (RT_SUCCESS(rc))
2444	pDrvStream->pMixStrm = pMixStrm;
2445	}
2446
2447	if (pStreamCfg)
2448	{
2449	RTMemFree(pStreamCfg);
2450	pStreamCfg = NULL;
2451	}
2452
2453	LogFlowFuncLeaveRC(rc);
2454	return rc;
2455	}
2456
2457	/**
2458	* Adds all current driver streams to a specific mixer sink.
2459	*
2460	* @returns IPRT status code.
2461	* @param pThis HDA state.
2462	* @param pMixSink Audio mixer sink to add stream to.
2463	* @param pCfg Audio stream configuration to use for the audio streams to add.
2464	*/
2465	static int hdaMixerAddDrvStreams(PHDASTATE pThis, PAUDMIXSINK pMixSink, PPDMAUDIOSTREAMCFG pCfg)
2466	{
2467	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
2468	AssertPtrReturn(pMixSink, VERR_INVALID_POINTER);
2469	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2470
2471	LogFunc(("Sink=%s, Stream=%s\n", pMixSink->pszName, pCfg->szName));
2472
2473	if (!DrvAudioHlpStreamCfgIsValid(pCfg))
2474	return VERR_INVALID_PARAMETER;
2475
2476	int rc = AudioMixerSinkSetFormat(pMixSink, &pCfg->Props);
2477	if (RT_FAILURE(rc))
2478	return rc;
2479
2480	PHDADRIVER pDrv;
2481	RTListForEach(&pThis->lstDrv, pDrv, HDADRIVER, Node)
2482	{
2483	int rc2 = hdaMixerAddDrvStream(pThis, pMixSink, pCfg, pDrv);
2484	if (RT_SUCCESS(rc))
2485	rc = rc2;
2486	}
2487
2488	LogFlowFuncLeaveRC(rc);
2489	return rc;
2490	}
2491
2492	/**
2493	* Adds a new audio stream to a specific mixer control.
2494	* Depending on the mixer control the stream then gets assigned to one of the internal
2495	* mixer sinks, which in turn then handle the mixing of all connected streams to that sink.
2496	*
2497	* @return IPRT status code.
2498	* @param pThis HDA state.
2499	* @param enmMixerCtl Mixer control to assign new stream to.
2500	* @param pCfg Stream configuration for the new stream.
2501	*/
2502	static DECLCALLBACK(int) hdaMixerAddStream(PHDASTATE pThis, PDMAUDIOMIXERCTL enmMixerCtl, PPDMAUDIOSTREAMCFG pCfg)
2503	{
2504	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
2505	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2506
2507	int rc;
2508
2509	PHDAMIXERSINK pSink = hdaMixerControlToSink(pThis, enmMixerCtl);
2510	if (pSink)
2511	{
2512	rc = hdaMixerAddDrvStreams(pThis, pSink->pMixSink, pCfg);
2513
2514	AssertPtr(pSink->pMixSink);
2515	LogFlowFunc(("Sink=%s, enmMixerCtl=%d\n", pSink->pMixSink->pszName, enmMixerCtl));
2516	}
2517	else
2518	rc = VERR_NOT_FOUND;
2519
2520	LogFlowFuncLeaveRC(rc);
2521	return rc;
2522	}
2523
2524	/**
2525	* Removes a specified mixer control from the HDA's mixer.
2526	*
2527	* @return IPRT status code.
2528	* @param pThis HDA state.
2529	* @param enmMixerCtl Mixer control to remove.
2530	*
2531	* @remarks Can be called as a callback by the HDA codec.
2532	*/
2533	static DECLCALLBACK(int) hdaMixerRemoveStream(PHDASTATE pThis, PDMAUDIOMIXERCTL enmMixerCtl)
2534	{
2535	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
2536
2537	int rc;
2538
2539	PHDAMIXERSINK pSink = hdaMixerControlToSink(pThis, enmMixerCtl);
2540	if (pSink)
2541	{
2542	PHDADRIVER pDrv;
2543	RTListForEach(&pThis->lstDrv, pDrv, HDADRIVER, Node)
2544	{
2545	PAUDMIXSTREAM pMixStream = NULL;
2546	switch (enmMixerCtl)
2547	{
2548	/*
2549	* Input.
2550	*/
2551	case PDMAUDIOMIXERCTL_LINE_IN:
2552	pMixStream = pDrv->LineIn.pMixStrm;
2553	pDrv->LineIn.pMixStrm = NULL;
2554	break;
2555	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2556	case PDMAUDIOMIXERCTL_MIC_IN:
2557	pMixStream = pDrv->MicIn.pMixStrm;
2558	pDrv->MicIn.pMixStrm = NULL;
2559	break;
2560	#endif
2561	/*
2562	* Output.
2563	*/
2564	case PDMAUDIOMIXERCTL_FRONT:
2565	pMixStream = pDrv->Front.pMixStrm;
2566	pDrv->Front.pMixStrm = NULL;
2567	break;
2568	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2569	case PDMAUDIOMIXERCTL_CENTER_LFE:
2570	pMixStream = pDrv->CenterLFE.pMixStrm;
2571	pDrv->CenterLFE.pMixStrm = NULL;
2572	break;
2573	case PDMAUDIOMIXERCTL_REAR:
2574	pMixStream = pDrv->Rear.pMixStrm;
2575	pDrv->Rear.pMixStrm = NULL;
2576	break;
2577	#endif
2578	default:
2579	AssertMsgFailed(("Mixer control %d not implemented\n", enmMixerCtl));
2580	break;
2581	}
2582
2583	if (pMixStream)
2584	{
2585	AudioMixerSinkRemoveStream(pSink->pMixSink, pMixStream);
2586	AudioMixerStreamDestroy(pMixStream);
2587
2588	pMixStream = NULL;
2589	}
2590	}
2591
2592	AudioMixerSinkRemoveAllStreams(pSink->pMixSink);
2593	rc = VINF_SUCCESS;
2594	}
2595	else
2596	rc = VERR_NOT_FOUND;
2597
2598	LogFlowFunc(("enmMixerCtl=%d, rc=%Rrc\n", enmMixerCtl, rc));
2599	return rc;
2600	}
2601
2602	/**
2603	* Sets a SDn stream number and channel to a particular mixer control.
2604	*
2605	* @returns IPRT status code.
2606	* @param pThis HDA State.
2607	* @param enmMixerCtl Mixer control to set SD stream number and channel for.
2608	* @param uSD SD stream number (number + 1) to set. Set to 0 for unassign.
2609	* @param uChannel Channel to set. Only valid if a valid SD stream number is specified.
2610	*
2611	* @remarks Can be called as a callback by the HDA codec.
2612	*/
2613	static DECLCALLBACK(int) hdaMixerSetStream(PHDASTATE pThis, PDMAUDIOMIXERCTL enmMixerCtl, uint8_t uSD, uint8_t uChannel)
2614	{
2615	LogFlowFunc(("enmMixerCtl=%RU32, uSD=%RU8, uChannel=%RU8\n", enmMixerCtl, uSD, uChannel));
2616
2617	if (uSD == 0) /* Stream number 0 is reserved. */
2618	{
2619	LogFlowFunc(("Invalid SDn (%RU8) number for mixer control %d, ignoring\n", uSD, enmMixerCtl));
2620	return VINF_SUCCESS;
2621	}
2622	/* uChannel is optional. */
2623
2624	/* SDn0 starts as 1. */
2625	Assert(uSD);
2626	uSD--;
2627
2628	int rc;
2629
2630	PHDAMIXERSINK pSink = hdaMixerControlToSink(pThis, enmMixerCtl);
2631	if (pSink)
2632	{
2633	if ( (uSD < HDA_MAX_SDI)
2634	&& AudioMixerSinkGetDir(pSink->pMixSink) == AUDMIXSINKDIR_OUTPUT)
2635	{
2636	uSD += HDA_MAX_SDI;
2637	}
2638
2639	LogFlowFunc(("%s: Setting to stream ID=%RU8, channel=%RU8, enmMixerCtl=%RU32\n",
2640	pSink->pMixSink->pszName, uSD, uChannel, enmMixerCtl));
2641
2642	Assert(uSD < HDA_MAX_STREAMS);
2643
2644	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, uSD);
2645	if (pStream)
2646	{
2647	hdaStreamLock(pStream);
2648
2649	pSink->uSD = uSD;
2650	pSink->uChannel = uChannel;
2651	pStream->pMixSink = pSink;
2652
2653	hdaStreamUnlock(pStream);
2654
2655	rc = VINF_SUCCESS;
2656	}
2657	else
2658	{
2659	LogRel(("HDA: Guest wanted to assign invalid stream ID=%RU8 (channel %RU8) to mixer control %RU32, skipping\n",
2660	uSD, uChannel, enmMixerCtl));
2661	rc = VERR_INVALID_PARAMETER;
2662	}
2663	}
2664	else
2665	rc = VERR_NOT_FOUND;
2666
2667	LogFlowFuncLeaveRC(rc);
2668	return rc;
2669	}
2670
2671	/**
2672	* Sets the volume of a specified mixer control.
2673	*
2674	* @return IPRT status code.
2675	* @param pThis HDA State.
2676	* @param enmMixerCtl Mixer control to set volume for.
2677	* @param pVol Pointer to volume data to set.
2678	*
2679	* @remarks Can be called as a callback by the HDA codec.
2680	*/
2681	static DECLCALLBACK(int) hdaMixerSetVolume(PHDASTATE pThis,
2682	PDMAUDIOMIXERCTL enmMixerCtl, PPDMAUDIOVOLUME pVol)
2683	{
2684	int rc;
2685
2686	PHDAMIXERSINK pSink = hdaMixerControlToSink(pThis, enmMixerCtl);
2687	if ( pSink
2688	&& pSink->pMixSink)
2689	{
2690	LogRel2(("HDA: Setting volume for mixer sink '%s' to %RU8/%RU8 (%s)\n",
2691	pSink->pMixSink->pszName, pVol->uLeft, pVol->uRight, pVol->fMuted ? "Muted" : "Unmuted"));
2692
2693	/* Set the volume.
2694	* We assume that the codec already converted it to the correct range. */
2695	rc = AudioMixerSinkSetVolume(pSink->pMixSink, pVol);
2696	}
2697	else
2698	rc = VERR_NOT_FOUND;
2699
2700	LogFlowFuncLeaveRC(rc);
2701	return rc;
2702	}
2703
2704	/**
2705	* Main routine for the device timer.
2706	*
2707	* @param pThis HDA state.
2708	*/
2709	static void hdaTimerMain(PHDASTATE pThis)
2710	{
2711	AssertPtrReturnVoid(pThis);
2712
2713	STAM_PROFILE_START(&pThis->StatTimer, a);
2714
2715	DEVHDA_LOCK_BOTH_RETURN_VOID(pThis);
2716
2717	/* Do all transfers from/to DMA. */
2718	hdaDoTransfers(pThis);
2719
2720	/* Flag indicating whether to kick the timer again for a
2721	* new data processing round. */
2722	bool fSinksActive = false;
2723
2724	/* Do we need to kick the timer again? */
2725	if ( AudioMixerSinkIsActive(pThis->SinkFront.pMixSink)
2726	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2727	\|\| AudioMixerSinkIsActive(pThis->SinkCenterLFE.pMixSink)
2728	\|\| AudioMixerSinkIsActive(pThis->SinkRear.pMixSink)
2729	#endif
2730	\|\| AudioMixerSinkIsActive(pThis->SinkLineIn.pMixSink)
2731	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2732	\|\| AudioMixerSinkIsActive(pThis->SinkMicIn.pMixSink)
2733	#endif
2734	)
2735	{
2736	fSinksActive = true;
2737	}
2738
2739	bool fTimerScheduled = false;
2740	if ( hdaStreamTransferIsScheduled(hdaGetStreamFromSink(pThis, &pThis->SinkFront))
2741	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2742	\|\| hdaStreamTransferIsScheduled(hdaGetStreamFromSink(pThis, &pThis->SinkMicIn))
2743	#endif
2744	\|\| hdaStreamTransferIsScheduled(hdaGetStreamFromSink(pThis, &pThis->SinkLineIn)))
2745	{
2746	fTimerScheduled = true;
2747	}
2748
2749	Log3Func(("fSinksActive=%RTbool, fTimerScheduled=%RTbool\n", fSinksActive, fTimerScheduled));
2750
2751	if ( fSinksActive
2752	&& !fTimerScheduled)
2753	{
2754	hdaTimerSet(pThis, TMTimerGet(pThis->pTimer) + TMTimerGetFreq(pThis->pTimer) / pThis->u16TimerHz, true /* fForce */);
2755	}
2756
2757	DEVHDA_UNLOCK_BOTH(pThis);
2758
2759	STAM_PROFILE_STOP(&pThis->StatTimer, a);
2760	}
2761
2762	#ifdef HDA_USE_DMA_ACCESS_HANDLER
2763	/**
2764	* HC access handler for the FIFO.
2765	*
2766	* @returns VINF_SUCCESS if the handler have carried out the operation.
2767	* @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation.
2768	* @param pVM VM Handle.
2769	* @param pVCpu The cross context CPU structure for the calling EMT.
2770	* @param GCPhys The physical address the guest is writing to.
2771	* @param pvPhys The HC mapping of that address.
2772	* @param pvBuf What the guest is reading/writing.
2773	* @param cbBuf How much it's reading/writing.
2774	* @param enmAccessType The access type.
2775	* @param enmOrigin Who is making the access.
2776	* @param pvUser User argument.
2777	*/
2778	static DECLCALLBACK(VBOXSTRICTRC) hdaDMAAccessHandler(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys, void *pvPhys,
2779	void *pvBuf, size_t cbBuf,
2780	PGMACCESSTYPE enmAccessType, PGMACCESSORIGIN enmOrigin, void *pvUser)
2781	{
2782	RT_NOREF(pVM, pVCpu, pvPhys, pvBuf, enmOrigin);
2783
2784	PHDADMAACCESSHANDLER pHandler = (PHDADMAACCESSHANDLER)pvUser;
2785	AssertPtr(pHandler);
2786
2787	PHDASTREAM pStream = pHandler->pStream;
2788	AssertPtr(pStream);
2789
2790	Assert(GCPhys >= pHandler->GCPhysFirst);
2791	Assert(GCPhys <= pHandler->GCPhysLast);
2792	Assert(enmAccessType == PGMACCESSTYPE_WRITE);
2793
2794	/* Not within BDLE range? Bail out. */
2795	if ( (GCPhys < pHandler->BDLEAddr)
2796	\|\| (GCPhys + cbBuf > pHandler->BDLEAddr + pHandler->BDLESize))
2797	{
2798	return VINF_PGM_HANDLER_DO_DEFAULT;
2799	}
2800
2801	switch(enmAccessType)
2802	{
2803	case PGMACCESSTYPE_WRITE:
2804	{
2805	# ifdef DEBUG
2806	PHDASTREAMDBGINFO pStreamDbg = &pStream->Dbg;
2807
2808	const uint64_t tsNowNs = RTTimeNanoTS();
2809	const uint32_t tsElapsedMs = (tsNowNs - pStreamDbg->tsWriteSlotBegin) / 1000 / 1000;
2810
2811	uint64_t cWritesHz = ASMAtomicReadU64(&pStreamDbg->cWritesHz);
2812	uint64_t cbWrittenHz = ASMAtomicReadU64(&pStreamDbg->cbWrittenHz);
2813
2814	if (tsElapsedMs >= (1000 / HDA_TIMER_HZ_DEFAULT))
2815	{
2816	LogFunc(("[SD%RU8] %RU32ms elapsed, cbWritten=%RU64, cWritten=%RU64 -- %RU32 bytes on average per time slot (%zums)\n",
2817	pStream->u8SD, tsElapsedMs, cbWrittenHz, cWritesHz,
2818	ASMDivU64ByU32RetU32(cbWrittenHz, cWritesHz ? cWritesHz : 1), 1000 / HDA_TIMER_HZ_DEFAULT));
2819
2820	pStreamDbg->tsWriteSlotBegin = tsNowNs;
2821
2822	cWritesHz = 0;
2823	cbWrittenHz = 0;
2824	}
2825
2826	cWritesHz += 1;
2827	cbWrittenHz += cbBuf;
2828
2829	ASMAtomicIncU64(&pStreamDbg->cWritesTotal);
2830	ASMAtomicAddU64(&pStreamDbg->cbWrittenTotal, cbBuf);
2831
2832	ASMAtomicWriteU64(&pStreamDbg->cWritesHz, cWritesHz);
2833	ASMAtomicWriteU64(&pStreamDbg->cbWrittenHz, cbWrittenHz);
2834
2835	LogFunc(("[SD%RU8] Writing %3zu @ 0x%x (off %zu)\n",
2836	pStream->u8SD, cbBuf, GCPhys, GCPhys - pHandler->BDLEAddr));
2837
2838	LogFunc(("[SD%RU8] cWrites=%RU64, cbWritten=%RU64 -> %RU32 bytes on average\n",
2839	pStream->u8SD, pStreamDbg->cWritesTotal, pStreamDbg->cbWrittenTotal,
2840	ASMDivU64ByU32RetU32(pStreamDbg->cbWrittenTotal, pStreamDbg->cWritesTotal)));
2841	# endif
2842
2843	# ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA
2844	RTFILE fh;
2845	RTFileOpen(&fh, VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "hdaDMAAccessWrite.pcm",
2846	RTFILE_O_OPEN_CREATE \| RTFILE_O_APPEND \| RTFILE_O_WRITE \| RTFILE_O_DENY_NONE);
2847	RTFileWrite(fh, pvBuf, cbBuf, NULL);
2848	RTFileClose(fh);
2849	# endif
2850
2851	# ifdef HDA_USE_DMA_ACCESS_HANDLER_WRITING
2852	PRTCIRCBUF pCircBuf = pStream->State.pCircBuf;
2853	AssertPtr(pCircBuf);
2854
2855	uint8_t pbBuf = (uint8_t )pvBuf;
2856	while (cbBuf)
2857	{
2858	/* Make sure we only copy as much as the stream's FIFO can hold (SDFIFOS, 18.2.39). */
2859	void *pvChunk;
2860	size_t cbChunk;
2861	RTCircBufAcquireWriteBlock(pCircBuf, cbBuf, &pvChunk, &cbChunk);
2862
2863	if (cbChunk)
2864	{
2865	memcpy(pvChunk, pbBuf, cbChunk);
2866
2867	pbBuf += cbChunk;
2868	Assert(cbBuf >= cbChunk);
2869	cbBuf -= cbChunk;
2870	}
2871	else
2872	{
2873	//AssertMsg(RTCircBufFree(pCircBuf), ("No more space but still %zu bytes to write\n", cbBuf));
2874	break;
2875	}
2876
2877	LogFunc(("[SD%RU8] cbChunk=%zu\n", pStream->u8SD, cbChunk));
2878
2879	RTCircBufReleaseWriteBlock(pCircBuf, cbChunk);
2880	}
2881	# endif /* HDA_USE_DMA_ACCESS_HANDLER_WRITING */
2882	break;
2883	}
2884
2885	default:
2886	AssertMsgFailed(("Access type not implemented\n"));
2887	break;
2888	}
2889
2890	return VINF_PGM_HANDLER_DO_DEFAULT;
2891	}
2892	#endif /* HDA_USE_DMA_ACCESS_HANDLER */
2893
2894	/**
2895	* Soft reset of the device triggered via GCTL.
2896	*
2897	* @param pThis HDA state.
2898	*
2899	*/
2900	static void hdaGCTLReset(PHDASTATE pThis)
2901	{
2902	LogFlowFuncEnter();
2903
2904	pThis->cStreamsActive = 0;
2905
2906	HDA_REG(pThis, GCAP) = HDA_MAKE_GCAP(HDA_MAX_SDO, HDA_MAX_SDI, 0, 0, 1); /* see 6.2.1 */
2907	HDA_REG(pThis, VMIN) = 0x00; /* see 6.2.2 */
2908	HDA_REG(pThis, VMAJ) = 0x01; /* see 6.2.3 */
2909	HDA_REG(pThis, OUTPAY) = 0x003C; /* see 6.2.4 */
2910	HDA_REG(pThis, INPAY) = 0x001D; /* see 6.2.5 */
2911	HDA_REG(pThis, CORBSIZE) = 0x42; /* Up to 256 CORB entries see 6.2.1 */
2912	HDA_REG(pThis, RIRBSIZE) = 0x42; /* Up to 256 RIRB entries see 6.2.1 */
2913	HDA_REG(pThis, CORBRP) = 0x0;
2914	HDA_REG(pThis, CORBWP) = 0x0;
2915	HDA_REG(pThis, RIRBWP) = 0x0;
2916	/* Some guests (like Haiku) don't set RINTCNT explicitly but expect an interrupt after each
2917	* RIRB response -- so initialize RINTCNT to 1 by default. */
2918	HDA_REG(pThis, RINTCNT) = 0x1;
2919
2920	/*
2921	* Stop any audio currently playing and/or recording.
2922	*/
2923	if (pThis->SinkFront.pMixSink)
2924	AudioMixerSinkReset(pThis->SinkFront.pMixSink);
2925	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2926	if (pThis->SinkMicIn.pMixSink)
2927	AudioMixerSinkReset(pThis->SinkMicIn.pMixSink);
2928	# endif
2929	if (pThis->SinkLineIn.pMixSink)
2930	AudioMixerSinkReset(pThis->SinkLineIn.pMixSink);
2931	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2932	if (pThis->SinkCenterLFE.pMixSink)
2933	AudioMixerSinkReset(pThis->SinkCenterLFE.pMixSink);
2934	if (pThis->SinkRear.pMixSink)
2935	AudioMixerSinkReset(pThis->SinkRear.pMixSink);
2936	# endif
2937
2938	/*
2939	* Reset the codec.
2940	*/
2941	if ( pThis->pCodec
2942	&& pThis->pCodec->pfnReset)
2943	{
2944	pThis->pCodec->pfnReset(pThis->pCodec);
2945	}
2946
2947	/*
2948	* Set some sensible defaults for which HDA sinks
2949	* are connected to which stream number.
2950	*
2951	* We use SD0 for input and SD4 for output by default.
2952	* These stream numbers can be changed by the guest dynamically lateron.
2953	*/
2954	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2955	hdaMixerSetStream(pThis, PDMAUDIOMIXERCTL_MIC_IN , 1 /* SD0 /, 0 / Channel */);
2956	#endif
2957	hdaMixerSetStream(pThis, PDMAUDIOMIXERCTL_LINE_IN , 1 /* SD0 /, 0 / Channel */);
2958
2959	hdaMixerSetStream(pThis, PDMAUDIOMIXERCTL_FRONT , 5 /* SD4 /, 0 / Channel */);
2960	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2961	hdaMixerSetStream(pThis, PDMAUDIOMIXERCTL_CENTER_LFE, 5 /* SD4 /, 0 / Channel */);
2962	hdaMixerSetStream(pThis, PDMAUDIOMIXERCTL_REAR , 5 /* SD4 /, 0 / Channel */);
2963	#endif
2964
2965	pThis->cbCorbBuf = HDA_CORB_SIZE * sizeof(uint32_t);
2966
2967	if (pThis->pu32CorbBuf)
2968	RT_BZERO(pThis->pu32CorbBuf, pThis->cbCorbBuf);
2969	else
2970	pThis->pu32CorbBuf = (uint32_t *)RTMemAllocZ(pThis->cbCorbBuf);
2971
2972	pThis->cbRirbBuf = HDA_RIRB_SIZE * sizeof(uint64_t);
2973	if (pThis->pu64RirbBuf)
2974	RT_BZERO(pThis->pu64RirbBuf, pThis->cbRirbBuf);
2975	else
2976	pThis->pu64RirbBuf = (uint64_t *)RTMemAllocZ(pThis->cbRirbBuf);
2977
2978	/* Clear our internal response interrupt counter. */
2979	pThis->u16RespIntCnt = 0;
2980
2981	for (uint8_t uSD = 0; uSD < HDA_MAX_STREAMS; ++uSD)
2982	{
2983	/* Remove the RUN bit from SDnCTL in case the stream was in a running state before. */
2984	HDA_STREAM_REG(pThis, CTL, uSD) &= ~HDA_SDCTL_RUN;
2985	hdaStreamReset(pThis, &pThis->aStreams[uSD], uSD);
2986	}
2987
2988	/* Clear stream tags <-> objects mapping table. */
2989	RT_ZERO(pThis->aTags);
2990
2991	/* Emulation of codec "wake up" (HDA spec 5.5.1 and 6.5). */
2992	HDA_REG(pThis, STATESTS) = 0x1;
2993
2994	LogFlowFuncLeave();
2995	LogRel(("HDA: Reset\n"));
2996	}
2997
2998	/**
2999	* Timer callback which handles the audio data transfers on a periodic basis.
3000	*
3001	* @param pDevIns Device instance.
3002	* @param pTimer Timer which was used when calling this.
3003	* @param pvUser User argument as PHDASTATE.
3004	*/
3005	static DECLCALLBACK(void) hdaTimer(PPDMDEVINS pDevIns, PTMTIMER pTimer, void *pvUser)
3006	{
3007	RT_NOREF(pDevIns, pTimer);
3008
3009	PHDASTATE pThis = (PHDASTATE)pvUser;
3010	Assert(pThis == PDMINS_2_DATA(pDevIns, PHDASTATE));
3011	AssertPtr(pThis);
3012
3013	hdaTimerMain(pThis);
3014	}
3015
3016	/**
3017	* Main routine to perform the actual audio data transfers from the HDA streams
3018	* to the backend(s) and vice versa.
3019	*
3020	* @param pThis HDA state.
3021	*/
3022	static void hdaDoTransfers(PHDASTATE pThis)
3023	{
3024	PHDASTREAM pStreamLineIn = hdaGetStreamFromSink(pThis, &pThis->SinkLineIn);
3025	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
3026	PHDASTREAM pStreamMicIn = hdaGetStreamFromSink(pThis, &pThis->SinkMicIn);
3027	#endif
3028	PHDASTREAM pStreamFront = hdaGetStreamFromSink(pThis, &pThis->SinkFront);
3029
3030	hdaStreamUpdate(pStreamFront, true /* fInTimer */);
3031	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
3032	hdaStreamUpdate(pStreamMicIn, true /* fInTimer */);
3033	#endif
3034	hdaStreamUpdate(pStreamLineIn, true /* fInTimer */);
3035	}
3036
3037	#ifdef DEBUG_andy
3038	# define HDA_DEBUG_DMA
3039	#endif
3040
3041	#endif /* IN_RING3 */
3042
3043	/* MMIO callbacks */
3044
3045	/**
3046	* @callback_method_impl{FNIOMMMIOREAD, Looks up and calls the appropriate handler.}
3047	*
3048	* @note During implementation, we discovered so-called "forgotten" or "hole"
3049	* registers whose description is not listed in the RPM, datasheet, or
3050	* spec.
3051	*/
3052	PDMBOTHCBDECL(int) hdaMMIORead(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS GCPhysAddr, void pv, unsigned cb)
3053	{
3054	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
3055	int rc;
3056	RT_NOREF_PV(pvUser);
3057
3058	/*
3059	* Look up and log.
3060	*/
3061	uint32_t offReg = GCPhysAddr - pThis->MMIOBaseAddr;
3062	int idxRegDsc = hdaRegLookup(offReg); /* Register descriptor index. */
3063	#ifdef LOG_ENABLED
3064	unsigned const cbLog = cb;
3065	uint32_t offRegLog = offReg;
3066	#endif
3067
3068	Log3Func(("offReg=%#x cb=%#x\n", offReg, cb));
3069	Assert(cb == 4); Assert((offReg & 3) == 0);
3070
3071	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_READ);
3072
3073	if (!(HDA_REG(pThis, GCTL) & HDA_GCTL_CRST) && idxRegDsc != HDA_REG_GCTL)
3074	LogFunc(("Access to registers except GCTL is blocked while reset\n"));
3075
3076	if (idxRegDsc == -1)
3077	LogRel(("HDA: Invalid read access @0x%x (bytes=%u)\n", offReg, cb));
3078
3079	if (idxRegDsc != -1)
3080	{
3081	/* Leave lock before calling read function. */
3082	DEVHDA_UNLOCK(pThis);
3083
3084	/* ASSUMES gapless DWORD at end of map. */
3085	if (g_aHdaRegMap[idxRegDsc].size == 4)
3086	{
3087	/*
3088	* Straight forward DWORD access.
3089	*/
3090	rc = g_aHdaRegMap[idxRegDsc].pfnRead(pThis, idxRegDsc, (uint32_t *)pv);
3091	Log3Func(("\tRead %s => %x (%Rrc)\n", g_aHdaRegMap[idxRegDsc].abbrev, (uint32_t )pv, rc));
3092	}
3093	else
3094	{
3095	/*
3096	* Multi register read (unless there are trailing gaps).
3097	* ASSUMES that only DWORD reads have sideeffects.
3098	*/
3099	uint32_t u32Value = 0;
3100	unsigned cbLeft = 4;
3101	do
3102	{
3103	uint32_t const cbReg = g_aHdaRegMap[idxRegDsc].size;
3104	uint32_t u32Tmp = 0;
3105
3106	rc = g_aHdaRegMap[idxRegDsc].pfnRead(pThis, idxRegDsc, &u32Tmp);
3107	Log3Func(("\tRead %s[%db] => %x (%Rrc)*\n", g_aHdaRegMap[idxRegDsc].abbrev, cbReg, u32Tmp, rc));
3108	if (rc != VINF_SUCCESS)
3109	break;
3110	u32Value \|= (u32Tmp & g_afMasks[cbReg]) << ((4 - cbLeft) * 8);
3111
3112	cbLeft -= cbReg;
3113	offReg += cbReg;
3114	idxRegDsc++;
3115	} while (cbLeft > 0 && g_aHdaRegMap[idxRegDsc].offset == offReg);
3116
3117	if (rc == VINF_SUCCESS)
3118	(uint32_t )pv = u32Value;
3119	else
3120	Assert(!IOM_SUCCESS(rc));
3121	}
3122	}
3123	else
3124	{
3125	DEVHDA_UNLOCK(pThis);
3126
3127	rc = VINF_IOM_MMIO_UNUSED_FF;
3128	Log3Func(("\tHole at %x is accessed for read\n", offReg));
3129	}
3130
3131	/*
3132	* Log the outcome.
3133	*/
3134	#ifdef LOG_ENABLED
3135	if (cbLog == 4)
3136	Log3Func(("\tReturning @%#05x -> %#010x %Rrc\n", offRegLog, (uint32_t )pv, rc));
3137	else if (cbLog == 2)
3138	Log3Func(("\tReturning @%#05x -> %#06x %Rrc\n", offRegLog, (uint16_t )pv, rc));
3139	else if (cbLog == 1)
3140	Log3Func(("\tReturning @%#05x -> %#04x %Rrc\n", offRegLog, (uint8_t )pv, rc));
3141	#endif
3142	return rc;
3143	}
3144
3145
3146	DECLINLINE(int) hdaWriteReg(PHDASTATE pThis, int idxRegDsc, uint32_t u32Value, char const *pszLog)
3147	{
3148	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_READ);
3149
3150	if (!(HDA_REG(pThis, GCTL) & HDA_GCTL_CRST) && idxRegDsc != HDA_REG_GCTL)
3151	{
3152	Log(("hdaWriteReg: Warning: Access to %s is blocked while controller is in reset mode\n", g_aHdaRegMap[idxRegDsc].abbrev));
3153	LogRel2(("HDA: Warning: Access to register %s is blocked while controller is in reset mode\n",
3154	g_aHdaRegMap[idxRegDsc].abbrev));
3155
3156	DEVHDA_UNLOCK(pThis);
3157	return VINF_SUCCESS;
3158	}
3159
3160	/*
3161	* Handle RD (register description) flags.
3162	*/
3163
3164	/* For SDI / SDO: Check if writes to those registers are allowed while SDCTL's RUN bit is set. */
3165	if (idxRegDsc >= HDA_NUM_GENERAL_REGS)
3166	{
3167	const uint32_t uSDCTL = HDA_STREAM_REG(pThis, CTL, HDA_SD_NUM_FROM_REG(pThis, CTL, idxRegDsc));
3168
3169	/*
3170	* Some OSes (like Win 10 AU) violate the spec by writing stuff to registers which are not supposed to be be touched
3171	* while SDCTL's RUN bit is set. So just ignore those values.
3172	*/
3173
3174	/* Is the RUN bit currently set? */
3175	if ( RT_BOOL(uSDCTL & HDA_SDCTL_RUN)
3176	/* Are writes to the register denied if RUN bit is set? */
3177	&& !(g_aHdaRegMap[idxRegDsc].fFlags & HDA_RD_FLAG_SD_WRITE_RUN))
3178	{
3179	Log(("hdaWriteReg: Warning: Access to %s is blocked! %R[sdctl]\n", g_aHdaRegMap[idxRegDsc].abbrev, uSDCTL));
3180	LogRel2(("HDA: Warning: Access to register %s is blocked while the stream's RUN bit is set\n",
3181	g_aHdaRegMap[idxRegDsc].abbrev));
3182
3183	DEVHDA_UNLOCK(pThis);
3184	return VINF_SUCCESS;
3185	}
3186	}
3187
3188	/* Leave the lock before calling write function. */
3189	DEVHDA_UNLOCK(pThis);
3190
3191	#ifdef LOG_ENABLED
3192	uint32_t const idxRegMem = g_aHdaRegMap[idxRegDsc].mem_idx;
3193	uint32_t const u32OldValue = pThis->au32Regs[idxRegMem];
3194	#endif
3195	int rc = g_aHdaRegMap[idxRegDsc].pfnWrite(pThis, idxRegDsc, u32Value);
3196	Log3Func(("Written value %#x to %s[%d byte]; %x => %x%s\n", u32Value, g_aHdaRegMap[idxRegDsc].abbrev,
3197	g_aHdaRegMap[idxRegDsc].size, u32OldValue, pThis->au32Regs[idxRegMem], pszLog));
3198	RT_NOREF(pszLog);
3199	return rc;
3200	}
3201
3202
3203	/**
3204	* @callback_method_impl{FNIOMMMIOWRITE, Looks up and calls the appropriate handler.}
3205	*/
3206	PDMBOTHCBDECL(int) hdaMMIOWrite(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS GCPhysAddr, void const pv, unsigned cb)
3207	{
3208	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
3209	int rc;
3210	RT_NOREF_PV(pvUser);
3211
3212	/*
3213	* The behavior of accesses that aren't aligned on natural boundraries is
3214	* undefined. Just reject them outright.
3215	*/
3216	/** @todo IOM could check this, it could also split the 8 byte accesses for us. */
3217	Assert(cb == 1 \|\| cb == 2 \|\| cb == 4 \|\| cb == 8);
3218	if (GCPhysAddr & (cb - 1))
3219	return PDMDevHlpDBGFStop(pDevIns, RT_SRC_POS, "misaligned write access: GCPhysAddr=%RGp cb=%u\n", GCPhysAddr, cb);
3220
3221	/*
3222	* Look up and log the access.
3223	*/
3224	uint32_t offReg = GCPhysAddr - pThis->MMIOBaseAddr;
3225	int idxRegDsc = hdaRegLookup(offReg);
3226	uint32_t idxRegMem = idxRegDsc != -1 ? g_aHdaRegMap[idxRegDsc].mem_idx : UINT32_MAX;
3227	uint64_t u64Value;
3228	if (cb == 4) u64Value = (uint32_t const )pv;
3229	else if (cb == 2) u64Value = (uint16_t const )pv;
3230	else if (cb == 1) u64Value = (uint8_t const )pv;
3231	else if (cb == 8) u64Value = (uint64_t const )pv;
3232	else
3233	{
3234	u64Value = 0; /* shut up gcc. */
3235	AssertReleaseMsgFailed(("%u\n", cb));
3236	}
3237
3238	#ifdef LOG_ENABLED
3239	uint32_t const u32LogOldValue = idxRegDsc >= 0 ? pThis->au32Regs[idxRegMem] : UINT32_MAX;
3240	if (idxRegDsc == -1)
3241	Log3Func(("@%#05x u32=%#010x cb=%d\n", offReg, (uint32_t const )pv, cb));
3242	else if (cb == 4)
3243	Log3Func(("@%#05x u32=%#010x %s\n", offReg, (uint32_t )pv, g_aHdaRegMap[idxRegDsc].abbrev));
3244	else if (cb == 2)
3245	Log3Func(("@%#05x u16=%#06x (%#010x) %s\n", offReg, (uint16_t )pv, (uint32_t )pv, g_aHdaRegMap[idxRegDsc].abbrev));
3246	else if (cb == 1)
3247	Log3Func(("@%#05x u8=%#04x (%#010x) %s\n", offReg, (uint8_t )pv, (uint32_t )pv, g_aHdaRegMap[idxRegDsc].abbrev));
3248
3249	if (idxRegDsc >= 0 && g_aHdaRegMap[idxRegDsc].size != cb)
3250	Log3Func(("\tsize=%RU32 != cb=%u!!\n", g_aHdaRegMap[idxRegDsc].size, cb));
3251	#endif
3252
3253	/*
3254	* Try for a direct hit first.
3255	*/
3256	if (idxRegDsc != -1 && g_aHdaRegMap[idxRegDsc].size == cb)
3257	{
3258	rc = hdaWriteReg(pThis, idxRegDsc, u64Value, "");
3259	Log3Func(("\t%#x -> %#x\n", u32LogOldValue, idxRegMem != UINT32_MAX ? pThis->au32Regs[idxRegMem] : UINT32_MAX));
3260	}
3261	/*
3262	* Partial or multiple register access, loop thru the requested memory.
3263	*/
3264	else
3265	{
3266	/*
3267	* If it's an access beyond the start of the register, shift the input
3268	* value and fill in missing bits. Natural alignment rules means we
3269	* will only see 1 or 2 byte accesses of this kind, so no risk of
3270	* shifting out input values.
3271	*/
3272	if (idxRegDsc == -1 && (idxRegDsc = hdaRegLookupWithin(offReg)) != -1)
3273	{
3274	uint32_t const cbBefore = offReg - g_aHdaRegMap[idxRegDsc].offset; Assert(cbBefore > 0 && cbBefore < 4);
3275	offReg -= cbBefore;
3276	idxRegMem = g_aHdaRegMap[idxRegDsc].mem_idx;
3277	u64Value <<= cbBefore * 8;
3278	u64Value \|= pThis->au32Regs[idxRegMem] & g_afMasks[cbBefore];
3279	Log3Func(("\tWithin register, supplied %u leading bits: %#llx -> %#llx ...\n",
3280	cbBefore * 8, ~g_afMasks[cbBefore] & u64Value, u64Value));
3281	}
3282
3283	/* Loop thru the write area, it may cover multiple registers. */
3284	rc = VINF_SUCCESS;
3285	for (;;)
3286	{
3287	uint32_t cbReg;
3288	if (idxRegDsc != -1)
3289	{
3290	idxRegMem = g_aHdaRegMap[idxRegDsc].mem_idx;
3291	cbReg = g_aHdaRegMap[idxRegDsc].size;
3292	if (cb < cbReg)
3293	{
3294	u64Value \|= pThis->au32Regs[idxRegMem] & g_afMasks[cbReg] & ~g_afMasks[cb];
3295	Log3Func(("\tSupplying missing bits (%#x): %#llx -> %#llx ...\n",
3296	g_afMasks[cbReg] & ~g_afMasks[cb], u64Value & g_afMasks[cb], u64Value));
3297	}
3298	#ifdef LOG_ENABLED
3299	uint32_t uLogOldVal = pThis->au32Regs[idxRegMem];
3300	#endif
3301	rc = hdaWriteReg(pThis, idxRegDsc, u64Value, "*");
3302	Log3Func(("\t%#x -> %#x\n", uLogOldVal, pThis->au32Regs[idxRegMem]));
3303	}
3304	else
3305	{
3306	LogRel(("HDA: Invalid write access @0x%x\n", offReg));
3307	cbReg = 1;
3308	}
3309	if (rc != VINF_SUCCESS)
3310	break;
3311	if (cbReg >= cb)
3312	break;
3313
3314	/* Advance. */
3315	offReg += cbReg;
3316	cb -= cbReg;
3317	u64Value >>= cbReg * 8;
3318	if (idxRegDsc == -1)
3319	idxRegDsc = hdaRegLookup(offReg);
3320	else
3321	{
3322	idxRegDsc++;
3323	if ( (unsigned)idxRegDsc >= RT_ELEMENTS(g_aHdaRegMap)
3324	\|\| g_aHdaRegMap[idxRegDsc].offset != offReg)
3325	{
3326	idxRegDsc = -1;
3327	}
3328	}
3329	}
3330	}
3331
3332	return rc;
3333	}
3334
3335
3336	/* PCI callback. */
3337
3338	#ifdef IN_RING3
3339	/**
3340	* @callback_method_impl{FNPCIIOREGIONMAP}
3341	*/
3342	static DECLCALLBACK(int) hdaPciIoRegionMap(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, uint32_t iRegion,
3343	RTGCPHYS GCPhysAddress, RTGCPHYS cb, PCIADDRESSSPACE enmType)
3344	{
3345	RT_NOREF(iRegion, enmType);
3346	PHDASTATE pThis = RT_FROM_MEMBER(pPciDev, HDASTATE, PciDev);
3347
3348	/*
3349	* 18.2 of the ICH6 datasheet defines the valid access widths as byte, word, and double word.
3350	*
3351	* Let IOM talk DWORDs when reading, saves a lot of complications. On
3352	* writing though, we have to do it all ourselves because of sideeffects.
3353	*/
3354	Assert(enmType == PCI_ADDRESS_SPACE_MEM);
3355	int rc = PDMDevHlpMMIORegister(pDevIns, GCPhysAddress, cb, NULL /pvUser/,
3356	IOMMMIO_FLAGS_READ_DWORD
3357	\| IOMMMIO_FLAGS_WRITE_PASSTHRU,
3358	hdaMMIOWrite, hdaMMIORead, "HDA");
3359
3360	if (RT_FAILURE(rc))
3361	return rc;
3362
3363	if (pThis->fR0Enabled)
3364	{
3365	rc = PDMDevHlpMMIORegisterR0(pDevIns, GCPhysAddress, cb, NIL_RTR0PTR /pvUser/,
3366	"hdaMMIOWrite", "hdaMMIORead");
3367	if (RT_FAILURE(rc))
3368	return rc;
3369	}
3370
3371	if (pThis->fRCEnabled)
3372	{
3373	rc = PDMDevHlpMMIORegisterRC(pDevIns, GCPhysAddress, cb, NIL_RTRCPTR /pvUser/,
3374	"hdaMMIOWrite", "hdaMMIORead");
3375	if (RT_FAILURE(rc))
3376	return rc;
3377	}
3378
3379	pThis->MMIOBaseAddr = GCPhysAddress;
3380	return VINF_SUCCESS;
3381	}
3382
3383
3384	/* Saved state callbacks. */
3385
3386	static int hdaSaveStream(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, PHDASTREAM pStream)
3387	{
3388	RT_NOREF(pDevIns);
3389	#ifdef VBOX_STRICT
3390	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
3391	#endif
3392
3393	Log2Func(("[SD%RU8]\n", pStream->u8SD));
3394
3395	/* Save stream ID. */
3396	int rc = SSMR3PutU8(pSSM, pStream->u8SD);
3397	AssertRCReturn(rc, rc);
3398	Assert(pStream->u8SD < HDA_MAX_STREAMS);
3399
3400	rc = SSMR3PutStructEx(pSSM, &pStream->State, sizeof(HDASTREAMSTATE), 0 /fFlags/, g_aSSMStreamStateFields7, NULL);
3401	AssertRCReturn(rc, rc);
3402
3403	#ifdef VBOX_STRICT /* Sanity checks. */
3404	uint64_t u64BaseDMA = RT_MAKE_U64(HDA_STREAM_REG(pThis, BDPL, pStream->u8SD),
3405	HDA_STREAM_REG(pThis, BDPU, pStream->u8SD));
3406	uint16_t u16LVI = HDA_STREAM_REG(pThis, LVI, pStream->u8SD);
3407	uint32_t u32CBL = HDA_STREAM_REG(pThis, CBL, pStream->u8SD);
3408
3409	Assert(u64BaseDMA == pStream->u64BDLBase);
3410	Assert(u16LVI == pStream->u16LVI);
3411	Assert(u32CBL == pStream->u32CBL);
3412	#endif
3413
3414	rc = SSMR3PutStructEx(pSSM, &pStream->State.BDLE.Desc, sizeof(HDABDLEDESC),
3415	0 /fFlags/, g_aSSMBDLEDescFields7, NULL);
3416	AssertRCReturn(rc, rc);
3417
3418	rc = SSMR3PutStructEx(pSSM, &pStream->State.BDLE.State, sizeof(HDABDLESTATE),
3419	0 /fFlags/, g_aSSMBDLEStateFields7, NULL);
3420	AssertRCReturn(rc, rc);
3421
3422	rc = SSMR3PutStructEx(pSSM, &pStream->State.Period, sizeof(HDASTREAMPERIOD),
3423	0 /* fFlags */, g_aSSMStreamPeriodFields7, NULL);
3424	AssertRCReturn(rc, rc);
3425
3426	#ifdef VBOX_STRICT /* Sanity checks. */
3427	PHDABDLE pBDLE = &pStream->State.BDLE;
3428	if (u64BaseDMA)
3429	{
3430	Assert(pStream->State.uCurBDLE <= u16LVI + 1);
3431
3432	HDABDLE curBDLE;
3433	rc = hdaBDLEFetch(pThis, &curBDLE, u64BaseDMA, pStream->State.uCurBDLE);
3434	AssertRC(rc);
3435
3436	Assert(curBDLE.Desc.u32BufSize == pBDLE->Desc.u32BufSize);
3437	Assert(curBDLE.Desc.u64BufAdr == pBDLE->Desc.u64BufAdr);
3438	Assert(curBDLE.Desc.fFlags == pBDLE->Desc.fFlags);
3439	}
3440	else
3441	{
3442	Assert(pBDLE->Desc.u64BufAdr == 0);
3443	Assert(pBDLE->Desc.u32BufSize == 0);
3444	}
3445	#endif
3446
3447	uint32_t cbCircBufSize = 0;
3448	uint32_t cbCircBufUsed = 0;
3449
3450	if (pStream->State.pCircBuf)
3451	{
3452	cbCircBufSize = (uint32_t)RTCircBufSize(pStream->State.pCircBuf);
3453	cbCircBufUsed = (uint32_t)RTCircBufUsed(pStream->State.pCircBuf);
3454	}
3455
3456	rc = SSMR3PutU32(pSSM, cbCircBufSize);
3457	AssertRCReturn(rc, rc);
3458
3459	rc = SSMR3PutU32(pSSM, cbCircBufUsed);
3460	AssertRCReturn(rc, rc);
3461
3462	if (cbCircBufUsed)
3463	{
3464	/*
3465	* We now need to get the circular buffer's data without actually modifying
3466	* the internal read / used offsets -- otherwise we would end up with broken audio
3467	* data after saving the state.
3468	*
3469	* So get the current read offset and serialize the buffer data manually based on that.
3470	*/
3471	size_t cbCircBufOffRead = RTCircBufOffsetRead(pStream->State.pCircBuf);
3472
3473	void *pvBuf;
3474	size_t cbBuf;
3475	RTCircBufAcquireReadBlock(pStream->State.pCircBuf, cbCircBufUsed, &pvBuf, &cbBuf);
3476
3477	if (cbBuf)
3478	{
3479	size_t cbToRead = cbCircBufUsed;
3480	size_t cbEnd = 0;
3481
3482	if (cbCircBufUsed > cbCircBufOffRead)
3483	cbEnd = cbCircBufUsed - cbCircBufOffRead;
3484
3485	if (cbEnd) /* Save end of buffer first. */
3486	{
3487	rc = SSMR3PutMem(pSSM, (uint8_t )pvBuf + cbCircBufSize - cbEnd / End of buffer */, cbEnd);
3488	AssertRCReturn(rc, rc);
3489
3490	Assert(cbToRead >= cbEnd);
3491	cbToRead -= cbEnd;
3492	}
3493
3494	if (cbToRead) /* Save remaining stuff at start of buffer (if any). */
3495	{
3496	rc = SSMR3PutMem(pSSM, (uint8_t )pvBuf - cbCircBufUsed / Start of buffer */, cbToRead);
3497	AssertRCReturn(rc, rc);
3498	}
3499	}
3500
3501	RTCircBufReleaseReadBlock(pStream->State.pCircBuf, 0 /* Don't advance read pointer -- see comment above */);
3502	}
3503
3504	Log2Func(("[SD%RU8] LPIB=%RU32, CBL=%RU32, LVI=%RU32\n",
3505	pStream->u8SD,
3506	HDA_STREAM_REG(pThis, LPIB, pStream->u8SD), HDA_STREAM_REG(pThis, CBL, pStream->u8SD), HDA_STREAM_REG(pThis, LVI, pStream->u8SD)));
3507
3508	#ifdef LOG_ENABLED
3509	hdaBDLEDumpAll(pThis, pStream->u64BDLBase, pStream->u16LVI + 1);
3510	#endif
3511
3512	return rc;
3513	}
3514
3515	/**
3516	* @callback_method_impl{FNSSMDEVSAVEEXEC}
3517	*/
3518	static DECLCALLBACK(int) hdaSaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
3519	{
3520	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
3521
3522	/* Save Codec nodes states. */
3523	hdaCodecSaveState(pThis->pCodec, pSSM);
3524
3525	/* Save MMIO registers. */
3526	SSMR3PutU32(pSSM, RT_ELEMENTS(pThis->au32Regs));
3527	SSMR3PutMem(pSSM, pThis->au32Regs, sizeof(pThis->au32Regs));
3528
3529	/* Save controller-specifc internals. */
3530	SSMR3PutU64(pSSM, pThis->u64WalClk);
3531	SSMR3PutU8(pSSM, pThis->u8IRQL);
3532
3533	/* Save number of streams. */
3534	SSMR3PutU32(pSSM, HDA_MAX_STREAMS);
3535
3536	/* Save stream states. */
3537	for (uint8_t i = 0; i < HDA_MAX_STREAMS; i++)
3538	{
3539	int rc = hdaSaveStream(pDevIns, pSSM, &pThis->aStreams[i]);
3540	AssertRCReturn(rc, rc);
3541	}
3542
3543	return VINF_SUCCESS;
3544	}
3545
3546	/**
3547	* Does required post processing when loading a saved state.
3548	*
3549	* @param pThis Pointer to HDA state.
3550	*/
3551	static int hdaLoadExecPost(PHDASTATE pThis)
3552	{
3553	int rc = VINF_SUCCESS;
3554
3555	uint64_t tsExpire = 0; /* Timestamp of new timer expiration time / Whether to resume the device timer. */
3556
3557	/*
3558	* Enable all previously active streams.
3559	*/
3560	for (uint8_t i = 0; i < HDA_MAX_STREAMS; i++)
3561	{
3562	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, i);
3563	if (pStream)
3564	{
3565	int rc2;
3566
3567	bool fActive = RT_BOOL(HDA_STREAM_REG(pThis, CTL, i) & HDA_SDCTL_RUN);
3568	if (fActive)
3569	{
3570	#ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
3571	/* Make sure to also create the async I/O thread before actually enabling the stream. */
3572	rc2 = hdaStreamAsyncIOCreate(pStream);
3573	AssertRC(rc2);
3574
3575	/* ... and enabling it. */
3576	hdaStreamAsyncIOEnable(pStream, true /* fEnable */);
3577	#endif
3578	/* Resume the stream's period. */
3579	hdaStreamPeriodResume(&pStream->State.Period);
3580
3581	/* (Re-)enable the stream. */
3582	rc2 = hdaStreamEnable(pStream, true /* fEnable */);
3583	AssertRC(rc2);
3584
3585	/* Add the stream to the device setup. */
3586	rc2 = hdaAddStream(pThis, &pStream->State.Cfg);
3587	AssertRC(rc2);
3588
3589	#ifdef HDA_USE_DMA_ACCESS_HANDLER
3590	/* (Re-)install the DMA handler. */
3591	hdaStreamRegisterDMAHandlers(pThis, pStream);
3592	#endif
3593	/* Determine the earliest timing slot we need to use. */
3594	if (tsExpire)
3595	tsExpire = RT_MIN(tsExpire, hdaStreamTransferGetNext(pStream));
3596	else
3597	tsExpire = hdaStreamTransferGetNext(pStream);
3598
3599	Log2Func(("[SD%RU8] tsExpire=%RU64\n", pStream->u8SD, tsExpire));
3600
3601	/* Also keep track of the currently active streams. */
3602	pThis->cStreamsActive++;
3603	}
3604	}
3605	}
3606
3607	/* Start the timer if one of the above streams were active during taking the saved state. */
3608	if (tsExpire)
3609	{
3610	LogFunc(("Resuming timer at %RU64\n", tsExpire));
3611	hdaTimerSet(pThis, tsExpire, true /* fForce */);
3612	}
3613
3614	LogFlowFuncLeaveRC(rc);
3615	return rc;
3616	}
3617
3618
3619	/**
3620	* Handles loading of all saved state versions older than the current one.
3621	*
3622	* @param pThis Pointer to HDA state.
3623	* @param pSSM Pointer to SSM handle.
3624	* @param uVersion Saved state version to load.
3625	* @param uPass Loading stage to handle.
3626	*/
3627	static int hdaLoadExecLegacy(PHDASTATE pThis, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
3628	{
3629	RT_NOREF(uPass);
3630
3631	int rc = VINF_SUCCESS;
3632
3633	/*
3634	* Load MMIO registers.
3635	*/
3636	uint32_t cRegs;
3637	switch (uVersion)
3638	{
3639	case HDA_SSM_VERSION_1:
3640	/* Starting with r71199, we would save 112 instead of 113
3641	registers due to some code cleanups. This only affected trunk
3642	builds in the 4.1 development period. */
3643	cRegs = 113;
3644	if (SSMR3HandleRevision(pSSM) >= 71199)
3645	{
3646	uint32_t uVer = SSMR3HandleVersion(pSSM);
3647	if ( VBOX_FULL_VERSION_GET_MAJOR(uVer) == 4
3648	&& VBOX_FULL_VERSION_GET_MINOR(uVer) == 0
3649	&& VBOX_FULL_VERSION_GET_BUILD(uVer) >= 51)
3650	cRegs = 112;
3651	}
3652	break;
3653
3654	case HDA_SSM_VERSION_2:
3655	case HDA_SSM_VERSION_3:
3656	cRegs = 112;
3657	AssertCompile(RT_ELEMENTS(pThis->au32Regs) >= 112);
3658	break;
3659
3660	/* Since version 4 we store the register count to stay flexible. */
3661	case HDA_SSM_VERSION_4:
3662	case HDA_SSM_VERSION_5:
3663	case HDA_SSM_VERSION_6:
3664	rc = SSMR3GetU32(pSSM, &cRegs); AssertRCReturn(rc, rc);
3665	if (cRegs != RT_ELEMENTS(pThis->au32Regs))
3666	LogRel(("HDA: SSM version cRegs is %RU32, expected %RU32\n", cRegs, RT_ELEMENTS(pThis->au32Regs)));
3667	break;
3668
3669	default:
3670	LogRel(("HDA: Unsupported / too new saved state version (%RU32)\n", uVersion));
3671	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
3672	}
3673
3674	if (cRegs >= RT_ELEMENTS(pThis->au32Regs))
3675	{
3676	SSMR3GetMem(pSSM, pThis->au32Regs, sizeof(pThis->au32Regs));
3677	SSMR3Skip(pSSM, sizeof(uint32_t) * (cRegs - RT_ELEMENTS(pThis->au32Regs)));
3678	}
3679	else
3680	SSMR3GetMem(pSSM, pThis->au32Regs, sizeof(uint32_t) * cRegs);
3681
3682	/* Make sure to update the base addresses first before initializing any streams down below. */
3683	pThis->u64CORBBase = RT_MAKE_U64(HDA_REG(pThis, CORBLBASE), HDA_REG(pThis, CORBUBASE));
3684	pThis->u64RIRBBase = RT_MAKE_U64(HDA_REG(pThis, RIRBLBASE), HDA_REG(pThis, RIRBUBASE));
3685	pThis->u64DPBase = RT_MAKE_U64(HDA_REG(pThis, DPLBASE) & DPBASE_ADDR_MASK, HDA_REG(pThis, DPUBASE));
3686
3687	/* Also make sure to update the DMA position bit if this was enabled when saving the state. */
3688	pThis->fDMAPosition = RT_BOOL(HDA_REG(pThis, DPLBASE) & RT_BIT_32(0));
3689
3690	/*
3691	* Note: Saved states < v5 store LVI (u32BdleMaxCvi) for
3692	* every BDLE state, whereas it only needs to be stored
3693	* once for every stream. Most of the BDLE state we can
3694	* get out of the registers anyway, so just ignore those values.
3695	*
3696	* Also, only the current BDLE was saved, regardless whether
3697	* there were more than one (and there are at least two entries,
3698	* according to the spec).
3699	*/
3700	#define HDA_SSM_LOAD_BDLE_STATE_PRE_V5(v, x) \
3701	{ \
3702	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* Begin marker */ \
3703	AssertRCReturn(rc, rc); \
3704	rc = SSMR3GetU64(pSSM, &x.Desc.u64BufAdr); /* u64BdleCviAddr */ \
3705	AssertRCReturn(rc, rc); \
3706	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* u32BdleMaxCvi */ \
3707	AssertRCReturn(rc, rc); \
3708	rc = SSMR3GetU32(pSSM, &x.State.u32BDLIndex); /* u32BdleCvi */ \
3709	AssertRCReturn(rc, rc); \
3710	rc = SSMR3GetU32(pSSM, &x.Desc.u32BufSize); /* u32BdleCviLen */ \
3711	AssertRCReturn(rc, rc); \
3712	rc = SSMR3GetU32(pSSM, &x.State.u32BufOff); /* u32BdleCviPos */ \
3713	AssertRCReturn(rc, rc); \
3714	bool fIOC; \
3715	rc = SSMR3GetBool(pSSM, &fIOC); /* fBdleCviIoc */ \
3716	AssertRCReturn(rc, rc); \
3717	x.Desc.fFlags = fIOC ? HDA_BDLE_FLAG_IOC : 0; \
3718	rc = SSMR3GetU32(pSSM, &x.State.cbBelowFIFOW); /* cbUnderFifoW */ \
3719	AssertRCReturn(rc, rc); \
3720	rc = SSMR3Skip(pSSM, sizeof(uint8_t) * 256); /* FIFO */ \
3721	AssertRCReturn(rc, rc); \
3722	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* End marker */ \
3723	AssertRCReturn(rc, rc); \
3724	}
3725
3726	/*
3727	* Load BDLEs (Buffer Descriptor List Entries) and DMA counters.
3728	*/
3729	switch (uVersion)
3730	{
3731	case HDA_SSM_VERSION_1:
3732	case HDA_SSM_VERSION_2:
3733	case HDA_SSM_VERSION_3:
3734	case HDA_SSM_VERSION_4:
3735	{
3736	/* Only load the internal states.
3737	* The rest will be initialized from the saved registers later. */
3738
3739	/* Note 1: Only the current BDLE for a stream was saved! */
3740	/* Note 2: The stream's saving order is/was fixed, so don't touch! */
3741
3742	/* Output */
3743	PHDASTREAM pStream = &pThis->aStreams[4];
3744	rc = hdaStreamInit(pStream, 4 /* Stream descriptor, hardcoded */);
3745	if (RT_FAILURE(rc))
3746	break;
3747	HDA_SSM_LOAD_BDLE_STATE_PRE_V5(uVersion, pStream->State.BDLE);
3748	pStream->State.uCurBDLE = pStream->State.BDLE.State.u32BDLIndex;
3749
3750	/* Microphone-In */
3751	pStream = &pThis->aStreams[2];
3752	rc = hdaStreamInit(pStream, 2 /* Stream descriptor, hardcoded */);
3753	if (RT_FAILURE(rc))
3754	break;
3755	HDA_SSM_LOAD_BDLE_STATE_PRE_V5(uVersion, pStream->State.BDLE);
3756	pStream->State.uCurBDLE = pStream->State.BDLE.State.u32BDLIndex;
3757
3758	/* Line-In */
3759	pStream = &pThis->aStreams[0];
3760	rc = hdaStreamInit(pStream, 0 /* Stream descriptor, hardcoded */);
3761	if (RT_FAILURE(rc))
3762	break;
3763	HDA_SSM_LOAD_BDLE_STATE_PRE_V5(uVersion, pStream->State.BDLE);
3764	pStream->State.uCurBDLE = pStream->State.BDLE.State.u32BDLIndex;
3765	break;
3766	}
3767
3768	#undef HDA_SSM_LOAD_BDLE_STATE_PRE_V5
3769
3770	default: /* Since v5 we support flexible stream and BDLE counts. */
3771	{
3772	uint32_t cStreams;
3773	rc = SSMR3GetU32(pSSM, &cStreams);
3774	if (RT_FAILURE(rc))
3775	break;
3776
3777	if (cStreams > HDA_MAX_STREAMS)
3778	cStreams = HDA_MAX_STREAMS; /* Sanity. */
3779
3780	/* Load stream states. */
3781	for (uint32_t i = 0; i < cStreams; i++)
3782	{
3783	uint8_t uStreamID;
3784	rc = SSMR3GetU8(pSSM, &uStreamID);
3785	if (RT_FAILURE(rc))
3786	break;
3787
3788	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, uStreamID);
3789	HDASTREAM StreamDummy;
3790
3791	if (!pStream)
3792	{
3793	pStream = &StreamDummy;
3794	LogRel2(("HDA: Warning: Stream ID=%RU32 not supported, skipping to load ...\n", uStreamID));
3795	}
3796
3797	rc = hdaStreamInit(pStream, uStreamID);
3798	if (RT_FAILURE(rc))
3799	{
3800	LogRel(("HDA: Stream #%RU32: Initialization of stream %RU8 failed, rc=%Rrc\n", i, uStreamID, rc));
3801	break;
3802	}
3803
3804	/*
3805	* Load BDLEs (Buffer Descriptor List Entries) and DMA counters.
3806	*/
3807
3808	if (uVersion == HDA_SSM_VERSION_5)
3809	{
3810	/* Get the current BDLE entry and skip the rest. */
3811	uint16_t cBDLE;
3812
3813	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* Begin marker */
3814	AssertRC(rc);
3815	rc = SSMR3GetU16(pSSM, &cBDLE); /* cBDLE */
3816	AssertRC(rc);
3817	rc = SSMR3GetU16(pSSM, &pStream->State.uCurBDLE); /* uCurBDLE */
3818	AssertRC(rc);
3819	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* End marker */
3820	AssertRC(rc);
3821
3822	uint32_t u32BDLEIndex;
3823	for (uint16_t a = 0; a < cBDLE; a++)
3824	{
3825	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* Begin marker */
3826	AssertRC(rc);
3827	rc = SSMR3GetU32(pSSM, &u32BDLEIndex); /* u32BDLIndex */
3828	AssertRC(rc);
3829
3830	/* Does the current BDLE index match the current BDLE to process? */
3831	if (u32BDLEIndex == pStream->State.uCurBDLE)
3832	{
3833	rc = SSMR3GetU32(pSSM, &pStream->State.BDLE.State.cbBelowFIFOW); /* cbBelowFIFOW */
3834	AssertRC(rc);
3835	rc = SSMR3Skip(pSSM, sizeof(uint8_t) * 256); /* FIFO, deprecated */
3836	AssertRC(rc);
3837	rc = SSMR3GetU32(pSSM, &pStream->State.BDLE.State.u32BufOff); /* u32BufOff */
3838	AssertRC(rc);
3839	rc = SSMR3Skip(pSSM, sizeof(uint32_t)); /* End marker */
3840	AssertRC(rc);
3841	}
3842	else /* Skip not current BDLEs. */
3843	{
3844	rc = SSMR3Skip(pSSM, sizeof(uint32_t) /* cbBelowFIFOW */
3845	+ sizeof(uint8_t) * 256 /* au8FIFO */
3846	+ sizeof(uint32_t) /* u32BufOff */
3847	+ sizeof(uint32_t)); /* End marker */
3848	AssertRC(rc);
3849	}
3850	}
3851	}
3852	else
3853	{
3854	rc = SSMR3GetStructEx(pSSM, &pStream->State, sizeof(HDASTREAMSTATE),
3855	0 /* fFlags */, g_aSSMStreamStateFields6, NULL);
3856	if (RT_FAILURE(rc))
3857	break;
3858
3859	/* Get HDABDLEDESC. */
3860	uint32_t uMarker;
3861	rc = SSMR3GetU32(pSSM, &uMarker); /* Begin marker. */
3862	AssertRC(rc);
3863	Assert(uMarker == UINT32_C(0x19200102) /* SSMR3STRUCT_BEGIN */);
3864	rc = SSMR3GetU64(pSSM, &pStream->State.BDLE.Desc.u64BufAdr);
3865	AssertRC(rc);
3866	rc = SSMR3GetU32(pSSM, &pStream->State.BDLE.Desc.u32BufSize);
3867	AssertRC(rc);
3868	bool fFlags = false;
3869	rc = SSMR3GetBool(pSSM, &fFlags); /* Saved states < v7 only stored the IOC as boolean flag. */
3870	AssertRC(rc);
3871	pStream->State.BDLE.Desc.fFlags = fFlags ? HDA_BDLE_FLAG_IOC : 0;
3872	rc = SSMR3GetU32(pSSM, &uMarker); /* End marker. */
3873	AssertRC(rc);
3874	Assert(uMarker == UINT32_C(0x19920406) /* SSMR3STRUCT_END */);
3875
3876	rc = SSMR3GetStructEx(pSSM, &pStream->State.BDLE.State, sizeof(HDABDLESTATE),
3877	0 /* fFlags */, g_aSSMBDLEStateFields6, NULL);
3878	if (RT_FAILURE(rc))
3879	break;
3880
3881	Log2Func(("[SD%RU8] LPIB=%RU32, CBL=%RU32, LVI=%RU32\n",
3882	uStreamID,
3883	HDA_STREAM_REG(pThis, LPIB, uStreamID), HDA_STREAM_REG(pThis, CBL, uStreamID), HDA_STREAM_REG(pThis, LVI, uStreamID)));
3884	#ifdef LOG_ENABLED
3885	hdaBDLEDumpAll(pThis, pStream->u64BDLBase, pStream->u16LVI + 1);
3886	#endif
3887	}
3888
3889	} /* for cStreams */
3890	break;
3891	} /* default */
3892	}
3893
3894	return rc;
3895	}
3896
3897	/**
3898	* @callback_method_impl{FNSSMDEVLOADEXEC}
3899	*/
3900	static DECLCALLBACK(int) hdaLoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
3901	{
3902	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
3903
3904	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
3905
3906	LogRel2(("hdaLoadExec: uVersion=%RU32, uPass=0x%x\n", uVersion, uPass));
3907
3908	/*
3909	* Load Codec nodes states.
3910	*/
3911	int rc = hdaCodecLoadState(pThis->pCodec, pSSM, uVersion);
3912	if (RT_FAILURE(rc))
3913	{
3914	LogRel(("HDA: Failed loading codec state (version %RU32, pass 0x%x), rc=%Rrc\n", uVersion, uPass, rc));
3915	return rc;
3916	}
3917
3918	if (uVersion < HDA_SSM_VERSION) /* Handle older saved states? */
3919	{
3920	rc = hdaLoadExecLegacy(pThis, pSSM, uVersion, uPass);
3921	if (RT_SUCCESS(rc))
3922	rc = hdaLoadExecPost(pThis);
3923
3924	return rc;
3925	}
3926
3927	/*
3928	* Load MMIO registers.
3929	*/
3930	uint32_t cRegs;
3931	rc = SSMR3GetU32(pSSM, &cRegs); AssertRCReturn(rc, rc);
3932	if (cRegs != RT_ELEMENTS(pThis->au32Regs))
3933	LogRel(("HDA: SSM version cRegs is %RU32, expected %RU32\n", cRegs, RT_ELEMENTS(pThis->au32Regs)));
3934
3935	if (cRegs >= RT_ELEMENTS(pThis->au32Regs))
3936	{
3937	SSMR3GetMem(pSSM, pThis->au32Regs, sizeof(pThis->au32Regs));
3938	SSMR3Skip(pSSM, sizeof(uint32_t) * (cRegs - RT_ELEMENTS(pThis->au32Regs)));
3939	}
3940	else
3941	SSMR3GetMem(pSSM, pThis->au32Regs, sizeof(uint32_t) * cRegs);
3942
3943	/* Make sure to update the base addresses first before initializing any streams down below. */
3944	pThis->u64CORBBase = RT_MAKE_U64(HDA_REG(pThis, CORBLBASE), HDA_REG(pThis, CORBUBASE));
3945	pThis->u64RIRBBase = RT_MAKE_U64(HDA_REG(pThis, RIRBLBASE), HDA_REG(pThis, RIRBUBASE));
3946	pThis->u64DPBase = RT_MAKE_U64(HDA_REG(pThis, DPLBASE) & DPBASE_ADDR_MASK, HDA_REG(pThis, DPUBASE));
3947
3948	/* Also make sure to update the DMA position bit if this was enabled when saving the state. */
3949	pThis->fDMAPosition = RT_BOOL(HDA_REG(pThis, DPLBASE) & RT_BIT_32(0));
3950
3951	/*
3952	* Load controller-specifc internals.
3953	* Don't annoy other team mates (forgot this for state v7).
3954	*/
3955	if ( SSMR3HandleRevision(pSSM) >= 116273
3956	\|\| SSMR3HandleVersion(pSSM) >= VBOX_FULL_VERSION_MAKE(5, 2, 0))
3957	{
3958	rc = SSMR3GetU64(pSSM, &pThis->u64WalClk);
3959	AssertRC(rc);
3960
3961	rc = SSMR3GetU8(pSSM, &pThis->u8IRQL);
3962	AssertRC(rc);
3963	}
3964
3965	/*
3966	* Load streams.
3967	*/
3968	uint32_t cStreams;
3969	rc = SSMR3GetU32(pSSM, &cStreams);
3970	AssertRC(rc);
3971
3972	if (cStreams > HDA_MAX_STREAMS)
3973	cStreams = HDA_MAX_STREAMS; /* Sanity. */
3974
3975	Log2Func(("cStreams=%RU32\n", cStreams));
3976
3977	/* Load stream states. */
3978	for (uint32_t i = 0; i < cStreams; i++)
3979	{
3980	uint8_t uStreamID;
3981	rc = SSMR3GetU8(pSSM, &uStreamID);
3982	AssertRC(rc);
3983
3984	PHDASTREAM pStream = hdaGetStreamFromSD(pThis, uStreamID);
3985	HDASTREAM StreamDummy;
3986
3987	if (!pStream)
3988	{
3989	pStream = &StreamDummy;
3990	LogRel2(("HDA: Warning: Loading of stream #%RU8 not supported, skipping to load ...\n", uStreamID));
3991	}
3992
3993	rc = hdaStreamInit(pStream, uStreamID);
3994	if (RT_FAILURE(rc))
3995	{
3996	LogRel(("HDA: Stream #%RU8: Loading initialization failed, rc=%Rrc\n", uStreamID, rc));
3997	/* Continue. */
3998	}
3999
4000	rc = SSMR3GetStructEx(pSSM, &pStream->State, sizeof(HDASTREAMSTATE),
4001	0 /* fFlags */, g_aSSMStreamStateFields7,
4002	NULL);
4003	AssertRC(rc);
4004
4005	/*
4006	* Load BDLEs (Buffer Descriptor List Entries) and DMA counters.
4007	*/
4008	rc = SSMR3GetStructEx(pSSM, &pStream->State.BDLE.Desc, sizeof(HDABDLEDESC),
4009	0 /* fFlags */, g_aSSMBDLEDescFields7, NULL);
4010	AssertRC(rc);
4011
4012	rc = SSMR3GetStructEx(pSSM, &pStream->State.BDLE.State, sizeof(HDABDLESTATE),
4013	0 /* fFlags */, g_aSSMBDLEStateFields7, NULL);
4014	AssertRC(rc);
4015
4016	Log2Func(("[SD%RU8] %R[bdle]\n", pStream->u8SD, &pStream->State.BDLE));
4017
4018	/*
4019	* Load period state.
4020	* Don't annoy other team mates (forgot this for state v7).
4021	*/
4022	hdaStreamPeriodInit(&pStream->State.Period,
4023	pStream->u8SD, pStream->u16LVI, pStream->u32CBL, &pStream->State.Cfg);
4024
4025	if ( SSMR3HandleRevision(pSSM) >= 116273
4026	\|\| SSMR3HandleVersion(pSSM) >= VBOX_FULL_VERSION_MAKE(5, 2, 0))
4027	{
4028	rc = SSMR3GetStructEx(pSSM, &pStream->State.Period, sizeof(HDASTREAMPERIOD),
4029	0 /* fFlags */, g_aSSMStreamPeriodFields7, NULL);
4030	AssertRC(rc);
4031	}
4032
4033	/*
4034	* Load internal (FIFO) buffer.
4035	*/
4036	uint32_t cbCircBufSize = 0;
4037	rc = SSMR3GetU32(pSSM, &cbCircBufSize); /* cbCircBuf */
4038	AssertRC(rc);
4039
4040	uint32_t cbCircBufUsed = 0;
4041	rc = SSMR3GetU32(pSSM, &cbCircBufUsed); /* cbCircBuf */
4042	AssertRC(rc);
4043
4044	if (cbCircBufSize) /* If 0, skip the buffer. */
4045	{
4046	/* Paranoia. */
4047	AssertReleaseMsg(cbCircBufSize <= _1M,
4048	("HDA: Saved state contains bogus DMA buffer size (%RU32) for stream #%RU8",
4049	cbCircBufSize, uStreamID));
4050	AssertReleaseMsg(cbCircBufUsed <= cbCircBufSize,
4051	("HDA: Saved state contains invalid DMA buffer usage (%RU32/%RU32) for stream #%RU8",
4052	cbCircBufUsed, cbCircBufSize, uStreamID));
4053	AssertPtr(pStream->State.pCircBuf);
4054
4055	/* Do we need to cre-create the circular buffer do fit the data size? */
4056	if (cbCircBufSize != (uint32_t)RTCircBufSize(pStream->State.pCircBuf))
4057	{
4058	RTCircBufDestroy(pStream->State.pCircBuf);
4059	pStream->State.pCircBuf = NULL;
4060
4061	rc = RTCircBufCreate(&pStream->State.pCircBuf, cbCircBufSize);
4062	AssertRC(rc);
4063	}
4064
4065	if ( RT_SUCCESS(rc)
4066	&& cbCircBufUsed)
4067	{
4068	void *pvBuf;
4069	size_t cbBuf;
4070
4071	RTCircBufAcquireWriteBlock(pStream->State.pCircBuf, cbCircBufUsed, &pvBuf, &cbBuf);
4072
4073	if (cbBuf)
4074	{
4075	rc = SSMR3GetMem(pSSM, pvBuf, cbBuf);
4076	AssertRC(rc);
4077	}
4078
4079	RTCircBufReleaseWriteBlock(pStream->State.pCircBuf, cbBuf);
4080
4081	Assert(cbBuf == cbCircBufUsed);
4082	}
4083	}
4084
4085	Log2Func(("[SD%RU8] LPIB=%RU32, CBL=%RU32, LVI=%RU32\n",
4086	uStreamID,
4087	HDA_STREAM_REG(pThis, LPIB, uStreamID), HDA_STREAM_REG(pThis, CBL, uStreamID), HDA_STREAM_REG(pThis, LVI, uStreamID)));
4088	#ifdef LOG_ENABLED
4089	hdaBDLEDumpAll(pThis, pStream->u64BDLBase, pStream->u16LVI + 1);
4090	#endif
4091	/** @todo (Re-)initialize active periods? */
4092
4093	} /* for cStreams */
4094
4095	rc = hdaLoadExecPost(pThis);
4096	AssertRC(rc);
4097
4098	LogFlowFuncLeaveRC(rc);
4099	return rc;
4100	}
4101
4102	/* Debug and log type formatters. */
4103
4104	/**
4105	* @callback_method_impl{FNRTSTRFORMATTYPE}
4106	*/
4107	static DECLCALLBACK(size_t) hdaDbgFmtBDLE(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4108	const char pszType, void const pvValue,
4109	int cchWidth, int cchPrecision, unsigned fFlags,
4110	void *pvUser)
4111	{
4112	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4113	PHDABDLE pBDLE = (PHDABDLE)pvValue;
4114	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
4115	"BDLE(idx:%RU32, off:%RU32, fifow:%RU32, IOC:%RTbool, DMA[%RU32 bytes @ 0x%x])",
4116	pBDLE->State.u32BDLIndex, pBDLE->State.u32BufOff, pBDLE->State.cbBelowFIFOW,
4117	pBDLE->Desc.fFlags & HDA_BDLE_FLAG_IOC, pBDLE->Desc.u32BufSize, pBDLE->Desc.u64BufAdr);
4118	}
4119
4120	/**
4121	* @callback_method_impl{FNRTSTRFORMATTYPE}
4122	*/
4123	static DECLCALLBACK(size_t) hdaDbgFmtSDCTL(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4124	const char pszType, void const pvValue,
4125	int cchWidth, int cchPrecision, unsigned fFlags,
4126	void *pvUser)
4127	{
4128	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4129	uint32_t uSDCTL = (uint32_t)(uintptr_t)pvValue;
4130	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
4131	"SDCTL(raw:%#x, DIR:%s, TP:%RTbool, STRIPE:%x, DEIE:%RTbool, FEIE:%RTbool, IOCE:%RTbool, RUN:%RTbool, RESET:%RTbool)",
4132	uSDCTL,
4133	uSDCTL & HDA_SDCTL_DIR ? "OUT" : "IN",
4134	RT_BOOL(uSDCTL & HDA_SDCTL_TP),
4135	(uSDCTL & HDA_SDCTL_STRIPE_MASK) >> HDA_SDCTL_STRIPE_SHIFT,
4136	RT_BOOL(uSDCTL & HDA_SDCTL_DEIE),
4137	RT_BOOL(uSDCTL & HDA_SDCTL_FEIE),
4138	RT_BOOL(uSDCTL & HDA_SDCTL_IOCE),
4139	RT_BOOL(uSDCTL & HDA_SDCTL_RUN),
4140	RT_BOOL(uSDCTL & HDA_SDCTL_SRST));
4141	}
4142
4143	/**
4144	* @callback_method_impl{FNRTSTRFORMATTYPE}
4145	*/
4146	static DECLCALLBACK(size_t) hdaDbgFmtSDFIFOS(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4147	const char pszType, void const pvValue,
4148	int cchWidth, int cchPrecision, unsigned fFlags,
4149	void *pvUser)
4150	{
4151	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4152	uint32_t uSDFIFOS = (uint32_t)(uintptr_t)pvValue;
4153	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "SDFIFOS(raw:%#x, sdfifos:%RU8 B)", uSDFIFOS, uSDFIFOS ? uSDFIFOS + 1 : 0);
4154	}
4155
4156	/**
4157	* @callback_method_impl{FNRTSTRFORMATTYPE}
4158	*/
4159	static DECLCALLBACK(size_t) hdaDbgFmtSDFIFOW(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4160	const char pszType, void const pvValue,
4161	int cchWidth, int cchPrecision, unsigned fFlags,
4162	void *pvUser)
4163	{
4164	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4165	uint32_t uSDFIFOW = (uint32_t)(uintptr_t)pvValue;
4166	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "SDFIFOW(raw: %#0x, sdfifow:%d B)", uSDFIFOW, hdaSDFIFOWToBytes(uSDFIFOW));
4167	}
4168
4169	/**
4170	* @callback_method_impl{FNRTSTRFORMATTYPE}
4171	*/
4172	static DECLCALLBACK(size_t) hdaDbgFmtSDSTS(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4173	const char pszType, void const pvValue,
4174	int cchWidth, int cchPrecision, unsigned fFlags,
4175	void *pvUser)
4176	{
4177	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4178	uint32_t uSdSts = (uint32_t)(uintptr_t)pvValue;
4179	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
4180	"SDSTS(raw:%#0x, fifordy:%RTbool, dese:%RTbool, fifoe:%RTbool, bcis:%RTbool)",
4181	uSdSts,
4182	RT_BOOL(uSdSts & HDA_SDSTS_FIFORDY),
4183	RT_BOOL(uSdSts & HDA_SDSTS_DESE),
4184	RT_BOOL(uSdSts & HDA_SDSTS_FIFOE),
4185	RT_BOOL(uSdSts & HDA_SDSTS_BCIS));
4186	}
4187
4188	static int hdaDbgLookupRegByName(const char *pszArgs)
4189	{
4190	int iReg = 0;
4191	for (; iReg < HDA_NUM_REGS; ++iReg)
4192	if (!RTStrICmp(g_aHdaRegMap[iReg].abbrev, pszArgs))
4193	return iReg;
4194	return -1;
4195	}
4196
4197
4198	static void hdaDbgPrintRegister(PHDASTATE pThis, PCDBGFINFOHLP pHlp, int iHdaIndex)
4199	{
4200	Assert( pThis
4201	&& iHdaIndex >= 0
4202	&& iHdaIndex < HDA_NUM_REGS);
4203	pHlp->pfnPrintf(pHlp, "%s: 0x%x\n", g_aHdaRegMap[iHdaIndex].abbrev, pThis->au32Regs[g_aHdaRegMap[iHdaIndex].mem_idx]);
4204	}
4205
4206	/**
4207	* @callback_method_impl{FNDBGFHANDLERDEV}
4208	*/
4209	static DECLCALLBACK(void) hdaDbgInfo(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4210	{
4211	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4212	int iHdaRegisterIndex = hdaDbgLookupRegByName(pszArgs);
4213	if (iHdaRegisterIndex != -1)
4214	hdaDbgPrintRegister(pThis, pHlp, iHdaRegisterIndex);
4215	else
4216	{
4217	for(iHdaRegisterIndex = 0; (unsigned int)iHdaRegisterIndex < HDA_NUM_REGS; ++iHdaRegisterIndex)
4218	hdaDbgPrintRegister(pThis, pHlp, iHdaRegisterIndex);
4219	}
4220	}
4221
4222	static void hdaDbgPrintStream(PHDASTATE pThis, PCDBGFINFOHLP pHlp, int iIdx)
4223	{
4224	Assert( pThis
4225	&& iIdx >= 0
4226	&& iIdx < HDA_MAX_STREAMS);
4227
4228	const PHDASTREAM pStream = &pThis->aStreams[iIdx];
4229
4230	pHlp->pfnPrintf(pHlp, "Stream #%d:\n", iIdx);
4231	pHlp->pfnPrintf(pHlp, "\tSD%dCTL : %R[sdctl]\n", iIdx, HDA_STREAM_REG(pThis, CTL, iIdx));
4232	pHlp->pfnPrintf(pHlp, "\tSD%dCTS : %R[sdsts]\n", iIdx, HDA_STREAM_REG(pThis, STS, iIdx));
4233	pHlp->pfnPrintf(pHlp, "\tSD%dFIFOS: %R[sdfifos]\n", iIdx, HDA_STREAM_REG(pThis, FIFOS, iIdx));
4234	pHlp->pfnPrintf(pHlp, "\tSD%dFIFOW: %R[sdfifow]\n", iIdx, HDA_STREAM_REG(pThis, FIFOW, iIdx));
4235	pHlp->pfnPrintf(pHlp, "\tBDLE : %R[bdle]\n", &pStream->State.BDLE);
4236	}
4237
4238	static void hdaDbgPrintBDLE(PHDASTATE pThis, PCDBGFINFOHLP pHlp, int iIdx)
4239	{
4240	Assert( pThis
4241	&& iIdx >= 0
4242	&& iIdx < HDA_MAX_STREAMS);
4243
4244	const PHDASTREAM pStream = &pThis->aStreams[iIdx];
4245	const PHDABDLE pBDLE = &pStream->State.BDLE;
4246
4247	pHlp->pfnPrintf(pHlp, "Stream #%d BDLE:\n", iIdx);
4248
4249	uint64_t u64BaseDMA = RT_MAKE_U64(HDA_STREAM_REG(pThis, BDPL, iIdx),
4250	HDA_STREAM_REG(pThis, BDPU, iIdx));
4251	uint16_t u16LVI = HDA_STREAM_REG(pThis, LVI, iIdx);
4252	uint32_t u32CBL = HDA_STREAM_REG(pThis, CBL, iIdx);
4253
4254	if (!u64BaseDMA)
4255	return;
4256
4257	pHlp->pfnPrintf(pHlp, "\tCurrent: %R[bdle]\n\n", pBDLE);
4258
4259	pHlp->pfnPrintf(pHlp, "\tMemory:\n");
4260
4261	uint32_t cbBDLE = 0;
4262	for (uint16_t i = 0; i < u16LVI + 1; i++)
4263	{
4264	HDABDLEDESC bd;
4265	PDMDevHlpPhysRead(pThis->CTX_SUFF(pDevIns), u64BaseDMA + i * sizeof(HDABDLEDESC), &bd, sizeof(bd));
4266
4267	pHlp->pfnPrintf(pHlp, "\t\t%s #%03d BDLE(adr:0x%llx, size:%RU32, ioc:%RTbool)\n",
4268	pBDLE->State.u32BDLIndex == i ? "*" : " ", i, bd.u64BufAdr, bd.u32BufSize, bd.fFlags & HDA_BDLE_FLAG_IOC);
4269
4270	cbBDLE += bd.u32BufSize;
4271	}
4272
4273	pHlp->pfnPrintf(pHlp, "Total: %RU32 bytes\n", cbBDLE);
4274
4275	if (cbBDLE != u32CBL)
4276	pHlp->pfnPrintf(pHlp, "Warning: %RU32 bytes does not match CBL (%RU32)!\n", cbBDLE, u32CBL);
4277
4278	pHlp->pfnPrintf(pHlp, "DMA counters (base @ 0x%llx):\n", u64BaseDMA);
4279	if (!u64BaseDMA) /* No DMA base given? Bail out. */
4280	{
4281	pHlp->pfnPrintf(pHlp, "\tNo counters found\n");
4282	return;
4283	}
4284
4285	for (int i = 0; i < u16LVI + 1; i++)
4286	{
4287	uint32_t uDMACnt;
4288	PDMDevHlpPhysRead(pThis->CTX_SUFF(pDevIns), (pThis->u64DPBase & DPBASE_ADDR_MASK) + (i * 2 * sizeof(uint32_t)),
4289	&uDMACnt, sizeof(uDMACnt));
4290
4291	pHlp->pfnPrintf(pHlp, "\t#%03d DMA @ 0x%x\n", i , uDMACnt);
4292	}
4293	}
4294
4295	static int hdaDbgLookupStrmIdx(PHDASTATE pThis, const char *pszArgs)
4296	{
4297	RT_NOREF(pThis, pszArgs);
4298	/** @todo Add args parsing. */
4299	return -1;
4300	}
4301
4302	/**
4303	* @callback_method_impl{FNDBGFHANDLERDEV}
4304	*/
4305	static DECLCALLBACK(void) hdaDbgInfoStream(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4306	{
4307	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4308	int iHdaStreamdex = hdaDbgLookupStrmIdx(pThis, pszArgs);
4309	if (iHdaStreamdex != -1)
4310	hdaDbgPrintStream(pThis, pHlp, iHdaStreamdex);
4311	else
4312	for(iHdaStreamdex = 0; iHdaStreamdex < HDA_MAX_STREAMS; ++iHdaStreamdex)
4313	hdaDbgPrintStream(pThis, pHlp, iHdaStreamdex);
4314	}
4315
4316	/**
4317	* @callback_method_impl{FNDBGFHANDLERDEV}
4318	*/
4319	static DECLCALLBACK(void) hdaDbgInfoBDLE(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4320	{
4321	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4322	int iHdaStreamdex = hdaDbgLookupStrmIdx(pThis, pszArgs);
4323	if (iHdaStreamdex != -1)
4324	hdaDbgPrintBDLE(pThis, pHlp, iHdaStreamdex);
4325	else
4326	for(iHdaStreamdex = 0; iHdaStreamdex < HDA_MAX_STREAMS; ++iHdaStreamdex)
4327	hdaDbgPrintBDLE(pThis, pHlp, iHdaStreamdex);
4328	}
4329
4330	/**
4331	* @callback_method_impl{FNDBGFHANDLERDEV}
4332	*/
4333	static DECLCALLBACK(void) hdaDbgInfoCodecNodes(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4334	{
4335	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4336
4337	if (pThis->pCodec->pfnDbgListNodes)
4338	pThis->pCodec->pfnDbgListNodes(pThis->pCodec, pHlp, pszArgs);
4339	else
4340	pHlp->pfnPrintf(pHlp, "Codec implementation doesn't provide corresponding callback\n");
4341	}
4342
4343	/**
4344	* @callback_method_impl{FNDBGFHANDLERDEV}
4345	*/
4346	static DECLCALLBACK(void) hdaDbgInfoCodecSelector(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4347	{
4348	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4349
4350	if (pThis->pCodec->pfnDbgSelector)
4351	pThis->pCodec->pfnDbgSelector(pThis->pCodec, pHlp, pszArgs);
4352	else
4353	pHlp->pfnPrintf(pHlp, "Codec implementation doesn't provide corresponding callback\n");
4354	}
4355
4356	/**
4357	* @callback_method_impl{FNDBGFHANDLERDEV}
4358	*/
4359	static DECLCALLBACK(void) hdaDbgInfoMixer(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4360	{
4361	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4362
4363	if (pThis->pMixer)
4364	AudioMixerDebug(pThis->pMixer, pHlp, pszArgs);
4365	else
4366	pHlp->pfnPrintf(pHlp, "Mixer not available\n");
4367	}
4368
4369
4370	/* PDMIBASE */
4371
4372	/**
4373	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
4374	*/
4375	static DECLCALLBACK(void ) hdaQueryInterface(struct PDMIBASE pInterface, const char *pszIID)
4376	{
4377	PHDASTATE pThis = RT_FROM_MEMBER(pInterface, HDASTATE, IBase);
4378	Assert(&pThis->IBase == pInterface);
4379
4380	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->IBase);
4381	return NULL;
4382	}
4383
4384
4385	/* PDMDEVREG */
4386
4387
4388	/**
4389	* @interface_method_impl{PDMDEVREG,pfnReset}
4390	*/
4391	static DECLCALLBACK(void) hdaReset(PPDMDEVINS pDevIns)
4392	{
4393	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4394
4395	LogFlowFuncEnter();
4396
4397	DEVHDA_LOCK_RETURN_VOID(pThis);
4398
4399	/*
4400	* 18.2.6,7 defines that values of this registers might be cleared on power on/reset
4401	* hdaReset shouldn't affects these registers.
4402	*/
4403	HDA_REG(pThis, WAKEEN) = 0x0;
4404
4405	hdaGCTLReset(pThis);
4406
4407	/* Indicate that HDA is not in reset. The firmware is supposed to (un)reset HDA,
4408	* but we can take a shortcut.
4409	*/
4410	HDA_REG(pThis, GCTL) = HDA_GCTL_CRST;
4411
4412	DEVHDA_UNLOCK(pThis);
4413	}
4414
4415	/**
4416	* @interface_method_impl{PDMDEVREG,pfnDestruct}
4417	*/
4418	static DECLCALLBACK(int) hdaDestruct(PPDMDEVINS pDevIns)
4419	{
4420	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4421
4422	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
4423
4424	PHDADRIVER pDrv;
4425	while (!RTListIsEmpty(&pThis->lstDrv))
4426	{
4427	pDrv = RTListGetFirst(&pThis->lstDrv, HDADRIVER, Node);
4428
4429	RTListNodeRemove(&pDrv->Node);
4430	RTMemFree(pDrv);
4431	}
4432
4433	if (pThis->pCodec)
4434	{
4435	hdaCodecDestruct(pThis->pCodec);
4436
4437	RTMemFree(pThis->pCodec);
4438	pThis->pCodec = NULL;
4439	}
4440
4441	RTMemFree(pThis->pu32CorbBuf);
4442	pThis->pu32CorbBuf = NULL;
4443
4444	RTMemFree(pThis->pu64RirbBuf);
4445	pThis->pu64RirbBuf = NULL;
4446
4447	for (uint8_t i = 0; i < HDA_MAX_STREAMS; i++)
4448	hdaStreamDestroy(&pThis->aStreams[i]);
4449
4450	DEVHDA_UNLOCK(pThis);
4451
4452	return VINF_SUCCESS;
4453	}
4454
4455
4456	/**
4457	* Attach command, internal version.
4458	*
4459	* This is called to let the device attach to a driver for a specified LUN
4460	* during runtime. This is not called during VM construction, the device
4461	* constructor has to attach to all the available drivers.
4462	*
4463	* @returns VBox status code.
4464	* @param pThis HDA state.
4465	* @param uLUN The logical unit which is being detached.
4466	* @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines.
4467	* @param ppDrv Attached driver instance on success. Optional.
4468	*/
4469	static int hdaAttachInternal(PHDASTATE pThis, unsigned uLUN, uint32_t fFlags, PHDADRIVER *ppDrv)
4470	{
4471	RT_NOREF(fFlags);
4472
4473	/*
4474	* Attach driver.
4475	*/
4476	char *pszDesc;
4477	if (RTStrAPrintf(&pszDesc, "Audio driver port (HDA) for LUN#%u", uLUN) <= 0)
4478	AssertLogRelFailedReturn(VERR_NO_MEMORY);
4479
4480	PPDMIBASE pDrvBase;
4481	int rc = PDMDevHlpDriverAttach(pThis->pDevInsR3, uLUN,
4482	&pThis->IBase, &pDrvBase, pszDesc);
4483	if (RT_SUCCESS(rc))
4484	{
4485	PHDADRIVER pDrv = (PHDADRIVER)RTMemAllocZ(sizeof(HDADRIVER));
4486	if (pDrv)
4487	{
4488	pDrv->pDrvBase = pDrvBase;
4489	pDrv->pConnector = PDMIBASE_QUERY_INTERFACE(pDrvBase, PDMIAUDIOCONNECTOR);
4490	AssertMsg(pDrv->pConnector != NULL, ("Configuration error: LUN#%u has no host audio interface, rc=%Rrc\n", uLUN, rc));
4491	pDrv->pHDAState = pThis;
4492	pDrv->uLUN = uLUN;
4493
4494	/*
4495	* For now we always set the driver at LUN 0 as our primary
4496	* host backend. This might change in the future.
4497	*/
4498	if (pDrv->uLUN == 0)
4499	pDrv->fFlags \|= PDMAUDIODRVFLAGS_PRIMARY;
4500
4501	LogFunc(("LUN#%u: pCon=%p, drvFlags=0x%x\n", uLUN, pDrv->pConnector, pDrv->fFlags));
4502
4503	/* Attach to driver list if not attached yet. */
4504	if (!pDrv->fAttached)
4505	{
4506	RTListAppend(&pThis->lstDrv, &pDrv->Node);
4507	pDrv->fAttached = true;
4508	}
4509
4510	if (ppDrv)
4511	*ppDrv = pDrv;
4512	}
4513	else
4514	rc = VERR_NO_MEMORY;
4515	}
4516	else if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
4517	LogFunc(("No attached driver for LUN #%u\n", uLUN));
4518
4519	if (RT_FAILURE(rc))
4520	{
4521	/* Only free this string on failure;
4522	* must remain valid for the live of the driver instance. */
4523	RTStrFree(pszDesc);
4524	}
4525
4526	LogFunc(("uLUN=%u, fFlags=0x%x, rc=%Rrc\n", uLUN, fFlags, rc));
4527	return rc;
4528	}
4529
4530	/**
4531	* Detach command, internal version.
4532	*
4533	* This is called to let the device detach from a driver for a specified LUN
4534	* during runtime.
4535	*
4536	* @returns VBox status code.
4537	* @param pThis HDA state.
4538	* @param pDrv Driver to detach device from.
4539	* @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines.
4540	*/
4541	static int hdaDetachInternal(PHDASTATE pThis, PHDADRIVER pDrv, uint32_t fFlags)
4542	{
4543	RT_NOREF(fFlags);
4544
4545	AudioMixerSinkRemoveStream(pThis->SinkFront.pMixSink, pDrv->Front.pMixStrm);
4546	AudioMixerStreamDestroy(pDrv->Front.pMixStrm);
4547	pDrv->Front.pMixStrm = NULL;
4548
4549	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
4550	AudioMixerSinkRemoveStream(pThis->SinkCenterLFE.pMixSink, pDrv->CenterLFE.pMixStrm);
4551	AudioMixerStreamDestroy(pDrv->CenterLFE.pMixStrm);
4552	pDrv->CenterLFE.pMixStrm = NULL;
4553
4554	AudioMixerSinkRemoveStream(pThis->SinkRear.pMixSink, pDrv->Rear.pMixStrm);
4555	AudioMixerStreamDestroy(pDrv->Rear.pMixStrm);
4556	pDrv->Rear.pMixStrm = NULL;
4557	#endif
4558
4559	AudioMixerSinkRemoveStream(pThis->SinkLineIn.pMixSink, pDrv->LineIn.pMixStrm);
4560	AudioMixerStreamDestroy(pDrv->LineIn.pMixStrm);
4561	pDrv->LineIn.pMixStrm = NULL;
4562
4563	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
4564	AudioMixerSinkRemoveStream(pThis->SinkMicIn.pMixSink, pDrv->MicIn.pMixStrm);
4565	AudioMixerStreamDestroy(pDrv->MicIn.pMixStrm);
4566	pDrv->MicIn.pMixStrm = NULL;
4567	#endif
4568
4569	RTListNodeRemove(&pDrv->Node);
4570
4571	LogFunc(("uLUN=%u, fFlags=0x%x\n", pDrv->uLUN, fFlags));
4572	return VINF_SUCCESS;
4573	}
4574
4575	/**
4576	* @interface_method_impl{PDMDEVREG,pfnAttach}
4577	*/
4578	static DECLCALLBACK(int) hdaAttach(PPDMDEVINS pDevIns, unsigned uLUN, uint32_t fFlags)
4579	{
4580	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4581
4582	DEVHDA_LOCK_RETURN(pThis, VINF_IOM_R3_MMIO_WRITE);
4583
4584	PHDADRIVER pDrv;
4585	int rc2 = hdaAttachInternal(pThis, uLUN, fFlags, &pDrv);
4586	if (RT_SUCCESS(rc2))
4587	{
4588	PHDASTREAM pStream = hdaGetStreamFromSink(pThis, &pThis->SinkFront);
4589	if (DrvAudioHlpStreamCfgIsValid(&pStream->State.Cfg))
4590	hdaMixerAddDrvStream(pThis, pThis->SinkFront.pMixSink, &pStream->State.Cfg, pDrv);
4591
4592	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
4593	pStream = hdaGetStreamFromSink(pThis, &pThis->SinkCenterLFE);
4594	if (DrvAudioHlpStreamCfgIsValid(&pStream->State.Cfg))
4595	hdaMixerAddDrvStream(pThis, pThis->SinkCenterLFE.pMixSink, &pStream->State.Cfg, pDrv);
4596
4597	pStream = hdaGetStreamFromSink(pThis, &pThis->SinkRear);
4598	if (DrvAudioHlpStreamCfgIsValid(&pStream->State.Cfg))
4599	hdaMixerAddDrvStream(pThis, pThis->SinkRear.pMixSink, &pStream->State.Cfg, pDrv);
4600	#endif
4601	pStream = hdaGetStreamFromSink(pThis, &pThis->SinkLineIn);
4602	if (DrvAudioHlpStreamCfgIsValid(&pStream->State.Cfg))
4603	hdaMixerAddDrvStream(pThis, pThis->SinkLineIn.pMixSink, &pStream->State.Cfg, pDrv);
4604
4605	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
4606	pStream = hdaGetStreamFromSink(pThis, &pThis->SinkMicIn);
4607	if (DrvAudioHlpStreamCfgIsValid(&pStream->State.Cfg))
4608	hdaMixerAddDrvStream(pThis, pThis->SinkMicIn.pMixSink, &pStream->State.Cfg, pDrv);
4609	#endif
4610	}
4611
4612	DEVHDA_UNLOCK(pThis);
4613
4614	return VINF_SUCCESS;
4615	}
4616
4617	/**
4618	* @interface_method_impl{PDMDEVREG,pfnDetach}
4619	*/
4620	static DECLCALLBACK(void) hdaDetach(PPDMDEVINS pDevIns, unsigned uLUN, uint32_t fFlags)
4621	{
4622	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4623
4624	LogFunc(("uLUN=%u, fFlags=0x%x\n", uLUN, fFlags));
4625
4626	DEVHDA_LOCK(pThis);
4627
4628	PHDADRIVER pDrv, pDrvNext;
4629	RTListForEachSafe(&pThis->lstDrv, pDrv, pDrvNext, HDADRIVER, Node)
4630	{
4631	if (pDrv->uLUN == uLUN)
4632	{
4633	int rc2 = hdaDetachInternal(pThis, pDrv, fFlags);
4634	if (RT_SUCCESS(rc2))
4635	{
4636	RTMemFree(pDrv);
4637	pDrv = NULL;
4638	}
4639
4640	break;
4641	}
4642	}
4643
4644	DEVHDA_UNLOCK(pThis);
4645	}
4646
4647	/**
4648	* Re-attaches (replaces) a driver with a new driver.
4649	*
4650	* @returns VBox status code.
4651	* @param pThis Device instance to re-attach driver to.
4652	* @param pDrv Driver instance used for attaching to.
4653	* If NULL is specified, a new driver will be created and appended
4654	* to the driver list.
4655	* @param uLUN The logical unit which is being re-detached.
4656	* @param pszDriver New driver name to attach.
4657	*/
4658	static int hdaReattachInternal(PHDASTATE pThis, PHDADRIVER pDrv, uint8_t uLUN, const char *pszDriver)
4659	{
4660	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
4661	AssertPtrReturn(pszDriver, VERR_INVALID_POINTER);
4662
4663	int rc;
4664
4665	if (pDrv)
4666	{
4667	rc = hdaDetachInternal(pThis, pDrv, 0 /* fFlags */);
4668	if (RT_SUCCESS(rc))
4669	rc = PDMDevHlpDriverDetach(pThis->pDevInsR3, PDMIBASE_2_PDMDRV(pDrv->pDrvBase), 0 /* fFlags */);
4670
4671	if (RT_FAILURE(rc))
4672	return rc;
4673
4674	pDrv = NULL;
4675	}
4676
4677	PVM pVM = PDMDevHlpGetVM(pThis->pDevInsR3);
4678	PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
4679	PCFGMNODE pDev0 = CFGMR3GetChild(pRoot, "Devices/hda/0/");
4680
4681	/* Remove LUN branch. */
4682	CFGMR3RemoveNode(CFGMR3GetChildF(pDev0, "LUN#%u/", uLUN));
4683
4684	#define RC_CHECK() if (RT_FAILURE(rc)) { AssertReleaseRC(rc); break; }
4685
4686	do
4687	{
4688	PCFGMNODE pLunL0;
4689	rc = CFGMR3InsertNodeF(pDev0, &pLunL0, "LUN#%u/", uLUN); RC_CHECK();
4690	rc = CFGMR3InsertString(pLunL0, "Driver", "AUDIO"); RC_CHECK();
4691	rc = CFGMR3InsertNode(pLunL0, "Config/", NULL); RC_CHECK();
4692
4693	PCFGMNODE pLunL1, pLunL2;
4694	rc = CFGMR3InsertNode (pLunL0, "AttachedDriver/", &pLunL1); RC_CHECK();
4695	rc = CFGMR3InsertNode (pLunL1, "Config/", &pLunL2); RC_CHECK();
4696	rc = CFGMR3InsertString(pLunL1, "Driver", pszDriver); RC_CHECK();
4697
4698	rc = CFGMR3InsertString(pLunL2, "AudioDriver", pszDriver); RC_CHECK();
4699
4700	} while (0);
4701
4702	if (RT_SUCCESS(rc))
4703	rc = hdaAttachInternal(pThis, uLUN, 0 /* fFlags /, NULL / ppDrv */);
4704
4705	LogFunc(("pThis=%p, uLUN=%u, pszDriver=%s, rc=%Rrc\n", pThis, uLUN, pszDriver, rc));
4706
4707	#undef RC_CHECK
4708
4709	return rc;
4710	}
4711
4712	/**
4713	* Powers off the device.
4714	*
4715	* @param pDevIns Device instance to power off.
4716	*/
4717	static DECLCALLBACK(void) hdaPowerOff(PPDMDEVINS pDevIns)
4718	{
4719	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4720
4721	DEVHDA_LOCK_RETURN_VOID(pThis);
4722
4723	LogRel2(("HDA: Powering off ...\n"));
4724
4725	/* Ditto goes for the codec, which in turn uses the mixer. */
4726	hdaCodecPowerOff(pThis->pCodec);
4727
4728	/**
4729	* Note: Destroy the mixer while powering off and not in hdaDestruct,
4730	* giving the mixer the chance to release any references held to
4731	* PDM audio streams it maintains.
4732	*/
4733	if (pThis->pMixer)
4734	{
4735	AudioMixerDestroy(pThis->pMixer);
4736	pThis->pMixer = NULL;
4737	}
4738
4739	DEVHDA_UNLOCK(pThis);
4740	}
4741
4742	/**
4743	* @interface_method_impl{PDMDEVREG,pfnConstruct}
4744	*/
4745	static DECLCALLBACK(int) hdaConstruct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
4746	{
4747	RT_NOREF(iInstance);
4748	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
4749	PHDASTATE pThis = PDMINS_2_DATA(pDevIns, PHDASTATE);
4750	Assert(iInstance == 0);
4751
4752	/*
4753	* Validations.
4754	*/
4755	if (!CFGMR3AreValuesValid(pCfg, "R0Enabled\0"
4756	"RCEnabled\0"
4757	"TimerHz\0"
4758	"PosAdjustEnabled\0"
4759	"PosAdjustFrames\0"))
4760	{
4761	return PDMDEV_SET_ERROR(pDevIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES,
4762	N_ ("Invalid configuration for the Intel HDA device"));
4763	}
4764
4765	int rc = CFGMR3QueryBoolDef(pCfg, "RCEnabled", &pThis->fRCEnabled, false);
4766	if (RT_FAILURE(rc))
4767	return PDMDEV_SET_ERROR(pDevIns, rc,
4768	N_("HDA configuration error: failed to read RCEnabled as boolean"));
4769	rc = CFGMR3QueryBoolDef(pCfg, "R0Enabled", &pThis->fR0Enabled, false);
4770	if (RT_FAILURE(rc))
4771	return PDMDEV_SET_ERROR(pDevIns, rc,
4772	N_("HDA configuration error: failed to read R0Enabled as boolean"));
4773
4774	rc = CFGMR3QueryU16Def(pCfg, "TimerHz", &pThis->u16TimerHz, HDA_TIMER_HZ_DEFAULT /* Default value, if not set. */);
4775	if (RT_FAILURE(rc))
4776	return PDMDEV_SET_ERROR(pDevIns, rc,
4777	N_("HDA configuration error: failed to read Hertz (Hz) rate as unsigned integer"));
4778
4779	if (pThis->u16TimerHz != HDA_TIMER_HZ_DEFAULT)
4780	LogRel(("HDA: Using custom device timer rate (%RU16Hz)\n", pThis->u16TimerHz));
4781
4782	rc = CFGMR3QueryBoolDef(pCfg, "PosAdjustEnabled", &pThis->fPosAdjustEnabled, true);
4783	if (RT_FAILURE(rc))
4784	return PDMDEV_SET_ERROR(pDevIns, rc,
4785	N_("HDA configuration error: failed to read position adjustment enabled as boolean"));
4786
4787	if (!pThis->fPosAdjustEnabled)
4788	LogRel(("HDA: Position adjustment is disabled\n"));
4789
4790	rc = CFGMR3QueryU16Def(pCfg, "PosAdjustFrames", &pThis->cPosAdjustFrames, HDA_POS_ADJUST_DEFAULT);
4791	if (RT_FAILURE(rc))
4792	return PDMDEV_SET_ERROR(pDevIns, rc,
4793	N_("HDA configuration error: failed to read position adjustment frames as unsigned integer"));
4794
4795	if (pThis->cPosAdjustFrames)
4796	LogRel(("HDA: Using custom position adjustment (%RU16 audio frames)\n", pThis->cPosAdjustFrames));
4797
4798	/*
4799	* Use an own critical section for the device instead of the default
4800	* one provided by PDM. This allows fine-grained locking in combination
4801	* with TM when timer-specific stuff is being called in e.g. the MMIO handlers.
4802	*/
4803	rc = PDMDevHlpCritSectInit(pDevIns, &pThis->CritSect, RT_SRC_POS, "HDA");
4804	AssertRCReturn(rc, rc);
4805
4806	rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns));
4807	AssertRCReturn(rc, rc);
4808
4809	/*
4810	* Initialize data (most of it anyway).
4811	*/
4812	pThis->pDevInsR3 = pDevIns;
4813	pThis->pDevInsR0 = PDMDEVINS_2_R0PTR(pDevIns);
4814	pThis->pDevInsRC = PDMDEVINS_2_RCPTR(pDevIns);
4815	/* IBase */
4816	pThis->IBase.pfnQueryInterface = hdaQueryInterface;
4817
4818	/* PCI Device */
4819	PCIDevSetVendorId (&pThis->PciDev, HDA_PCI_VENDOR_ID); /* nVidia */
4820	PCIDevSetDeviceId (&pThis->PciDev, HDA_PCI_DEVICE_ID); /* HDA */
4821
4822	PCIDevSetCommand (&pThis->PciDev, 0x0000); /* 04 rw,ro - pcicmd. */
4823	PCIDevSetStatus (&pThis->PciDev, VBOX_PCI_STATUS_CAP_LIST); /* 06 rwc?,ro? - pcists. */
4824	PCIDevSetRevisionId (&pThis->PciDev, 0x01); /* 08 ro - rid. */
4825	PCIDevSetClassProg (&pThis->PciDev, 0x00); /* 09 ro - pi. */
4826	PCIDevSetClassSub (&pThis->PciDev, 0x03); /* 0a ro - scc; 03 == HDA. */
4827	PCIDevSetClassBase (&pThis->PciDev, 0x04); /* 0b ro - bcc; 04 == multimedia. */
4828	PCIDevSetHeaderType (&pThis->PciDev, 0x00); /* 0e ro - headtyp. */
4829	PCIDevSetBaseAddress (&pThis->PciDev, 0, /* 10 rw - MMIO */
4830	false /* fIoSpace /, false / fPrefetchable /, true / f64Bit */, 0x00000000);
4831	PCIDevSetInterruptLine (&pThis->PciDev, 0x00); /* 3c rw. */
4832	PCIDevSetInterruptPin (&pThis->PciDev, 0x01); /* 3d ro - INTA#. */
4833
4834	#if defined(HDA_AS_PCI_EXPRESS)
4835	PCIDevSetCapabilityList (&pThis->PciDev, 0x80);
4836	#elif defined(VBOX_WITH_MSI_DEVICES)
4837	PCIDevSetCapabilityList (&pThis->PciDev, 0x60);
4838	#else
4839	PCIDevSetCapabilityList (&pThis->PciDev, 0x50); /* ICH6 datasheet 18.1.16 */
4840	#endif
4841
4842	/// @todo r=michaln: If there are really no PCIDevSetXx for these, the meaning
4843	/// of these values needs to be properly documented!
4844	/* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
4845	PCIDevSetByte(&pThis->PciDev, 0x40, 0x01);
4846
4847	/* Power Management */
4848	PCIDevSetByte(&pThis->PciDev, 0x50 + 0, VBOX_PCI_CAP_ID_PM);
4849	PCIDevSetByte(&pThis->PciDev, 0x50 + 1, 0x0); /* next */
4850	PCIDevSetWord(&pThis->PciDev, 0x50 + 2, VBOX_PCI_PM_CAP_DSI \| 0x02 /* version, PM1.1 */ );
4851
4852	#ifdef HDA_AS_PCI_EXPRESS
4853	/* PCI Express */
4854	PCIDevSetByte(&pThis->PciDev, 0x80 + 0, VBOX_PCI_CAP_ID_EXP); /* PCI_Express */
4855	PCIDevSetByte(&pThis->PciDev, 0x80 + 1, 0x60); /* next */
4856	/* Device flags */
4857	PCIDevSetWord(&pThis->PciDev, 0x80 + 2,
4858	/* version */ 0x1 \|
4859	/* Root Complex Integrated Endpoint */ (VBOX_PCI_EXP_TYPE_ROOT_INT_EP << 4) \|
4860	/* MSI */ (100) << 9 );
4861	/* Device capabilities */
4862	PCIDevSetDWord(&pThis->PciDev, 0x80 + 4, VBOX_PCI_EXP_DEVCAP_FLRESET);
4863	/* Device control */
4864	PCIDevSetWord( &pThis->PciDev, 0x80 + 8, 0);
4865	/* Device status */
4866	PCIDevSetWord( &pThis->PciDev, 0x80 + 10, 0);
4867	/* Link caps */
4868	PCIDevSetDWord(&pThis->PciDev, 0x80 + 12, 0);
4869	/* Link control */
4870	PCIDevSetWord( &pThis->PciDev, 0x80 + 16, 0);
4871	/* Link status */
4872	PCIDevSetWord( &pThis->PciDev, 0x80 + 18, 0);
4873	/* Slot capabilities */
4874	PCIDevSetDWord(&pThis->PciDev, 0x80 + 20, 0);
4875	/* Slot control */
4876	PCIDevSetWord( &pThis->PciDev, 0x80 + 24, 0);
4877	/* Slot status */
4878	PCIDevSetWord( &pThis->PciDev, 0x80 + 26, 0);
4879	/* Root control */
4880	PCIDevSetWord( &pThis->PciDev, 0x80 + 28, 0);
4881	/* Root capabilities */
4882	PCIDevSetWord( &pThis->PciDev, 0x80 + 30, 0);
4883	/* Root status */
4884	PCIDevSetDWord(&pThis->PciDev, 0x80 + 32, 0);
4885	/* Device capabilities 2 */
4886	PCIDevSetDWord(&pThis->PciDev, 0x80 + 36, 0);
4887	/* Device control 2 */
4888	PCIDevSetQWord(&pThis->PciDev, 0x80 + 40, 0);
4889	/* Link control 2 */
4890	PCIDevSetQWord(&pThis->PciDev, 0x80 + 48, 0);
4891	/* Slot control 2 */
4892	PCIDevSetWord( &pThis->PciDev, 0x80 + 56, 0);
4893	#endif
4894
4895	/*
4896	* Register the PCI device.
4897	*/
4898	rc = PDMDevHlpPCIRegister(pDevIns, &pThis->PciDev);
4899	if (RT_FAILURE(rc))
4900	return rc;
4901
4902	rc = PDMDevHlpPCIIORegionRegister(pDevIns, 0, 0x4000, PCI_ADDRESS_SPACE_MEM, hdaPciIoRegionMap);
4903	if (RT_FAILURE(rc))
4904	return rc;
4905
4906	#ifdef VBOX_WITH_MSI_DEVICES
4907	PDMMSIREG MsiReg;
4908	RT_ZERO(MsiReg);
4909	MsiReg.cMsiVectors = 1;
4910	MsiReg.iMsiCapOffset = 0x60;
4911	MsiReg.iMsiNextOffset = 0x50;
4912	rc = PDMDevHlpPCIRegisterMsi(pDevIns, &MsiReg);
4913	if (RT_FAILURE(rc))
4914	{
4915	/* That's OK, we can work without MSI */
4916	PCIDevSetCapabilityList(&pThis->PciDev, 0x50);
4917	}
4918	#endif
4919
4920	rc = PDMDevHlpSSMRegister(pDevIns, HDA_SSM_VERSION, sizeof(*pThis), hdaSaveExec, hdaLoadExec);
4921	if (RT_FAILURE(rc))
4922	return rc;
4923
4924	RTListInit(&pThis->lstDrv);
4925
4926	#ifdef VBOX_WITH_AUDIO_HDA_ASYNC_IO
4927	LogRel(("HDA: Asynchronous I/O enabled\n"));
4928	#endif
4929
4930	uint8_t uLUN;
4931	for (uLUN = 0; uLUN < UINT8_MAX; ++uLUN)
4932	{
4933	LogFunc(("Trying to attach driver for LUN #%RU32 ...\n", uLUN));
4934	rc = hdaAttachInternal(pThis, uLUN, 0 /* fFlags /, NULL / ppDrv */);
4935	if (RT_FAILURE(rc))
4936	{
4937	if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
4938	rc = VINF_SUCCESS;
4939	else if (rc == VERR_AUDIO_BACKEND_INIT_FAILED)
4940	{
4941	hdaReattachInternal(pThis, NULL /* pDrv */, uLUN, "NullAudio");
4942	PDMDevHlpVMSetRuntimeError(pDevIns, 0 /fFlags/, "HostAudioNotResponding",
4943	N_("Host audio backend initialization has failed. Selecting the NULL audio backend "
4944	"with the consequence that no sound is audible"));
4945	/* Attaching to the NULL audio backend will never fail. */
4946	rc = VINF_SUCCESS;
4947	}
4948	break;
4949	}
4950	}
4951
4952	LogFunc(("cLUNs=%RU8, rc=%Rrc\n", uLUN, rc));
4953
4954	if (RT_SUCCESS(rc))
4955	{
4956	rc = AudioMixerCreate("HDA Mixer", 0 /* uFlags */, &pThis->pMixer);
4957	if (RT_SUCCESS(rc))
4958	{
4959	/*
4960	* Add mixer output sinks.
4961	*/
4962	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
4963	rc = AudioMixerCreateSink(pThis->pMixer, "[Playback] Front",
4964	AUDMIXSINKDIR_OUTPUT, &pThis->SinkFront.pMixSink);
4965	AssertRC(rc);
4966	rc = AudioMixerCreateSink(pThis->pMixer, "[Playback] Center / Subwoofer",
4967	AUDMIXSINKDIR_OUTPUT, &pThis->SinkCenterLFE.pMixSink);
4968	AssertRC(rc);
4969	rc = AudioMixerCreateSink(pThis->pMixer, "[Playback] Rear",
4970	AUDMIXSINKDIR_OUTPUT, &pThis->SinkRear.pMixSink);
4971	AssertRC(rc);
4972	#else
4973	rc = AudioMixerCreateSink(pThis->pMixer, "[Playback] PCM Output",
4974	AUDMIXSINKDIR_OUTPUT, &pThis->SinkFront.pMixSink);
4975	AssertRC(rc);
4976	#endif
4977	/*
4978	* Add mixer input sinks.
4979	*/
4980	rc = AudioMixerCreateSink(pThis->pMixer, "[Recording] Line In",
4981	AUDMIXSINKDIR_INPUT, &pThis->SinkLineIn.pMixSink);
4982	AssertRC(rc);
4983	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
4984	rc = AudioMixerCreateSink(pThis->pMixer, "[Recording] Microphone In",
4985	AUDMIXSINKDIR_INPUT, &pThis->SinkMicIn.pMixSink);
4986	AssertRC(rc);
4987	#endif
4988	/* There is no master volume control. Set the master to max. */
4989	PDMAUDIOVOLUME vol = { false, 255, 255 };
4990	rc = AudioMixerSetMasterVolume(pThis->pMixer, &vol);
4991	AssertRC(rc);
4992	}
4993	}
4994
4995	if (RT_SUCCESS(rc))
4996	{
4997	/* Construct codec. */
4998	pThis->pCodec = (PHDACODEC)RTMemAllocZ(sizeof(HDACODEC));
4999	if (!pThis->pCodec)
5000	return PDMDEV_SET_ERROR(pDevIns, VERR_NO_MEMORY, N_("Out of memory allocating HDA codec state"));
5001
5002	/* Set codec callbacks to this controller. */
5003	pThis->pCodec->pfnCbMixerAddStream = hdaMixerAddStream;
5004	pThis->pCodec->pfnCbMixerRemoveStream = hdaMixerRemoveStream;
5005	pThis->pCodec->pfnCbMixerSetStream = hdaMixerSetStream;
5006	pThis->pCodec->pfnCbMixerSetVolume = hdaMixerSetVolume;
5007
5008	pThis->pCodec->pHDAState = pThis; /* Assign HDA controller state to codec. */
5009
5010	/* Construct the codec. */
5011	rc = hdaCodecConstruct(pDevIns, pThis->pCodec, 0 /* Codec index */, pCfg);
5012	if (RT_FAILURE(rc))
5013	AssertRCReturn(rc, rc);
5014
5015	/* ICH6 datasheet defines 0 values for SVID and SID (18.1.14-15), which together with values returned for
5016	verb F20 should provide device/codec recognition. */
5017	Assert(pThis->pCodec->u16VendorId);
5018	Assert(pThis->pCodec->u16DeviceId);
5019	PCIDevSetSubSystemVendorId(&pThis->PciDev, pThis->pCodec->u16VendorId); /* 2c ro - intel.) */
5020	PCIDevSetSubSystemId( &pThis->PciDev, pThis->pCodec->u16DeviceId); /* 2e ro. */
5021	}
5022
5023	if (RT_SUCCESS(rc))
5024	{
5025	/*
5026	* Create all hardware streams.
5027	*/
5028	for (uint8_t i = 0; i < HDA_MAX_STREAMS; ++i)
5029	{
5030	rc = hdaStreamCreate(&pThis->aStreams[i], pThis);
5031	AssertRC(rc);
5032	}
5033
5034	#ifdef VBOX_WITH_AUDIO_HDA_ONETIME_INIT
5035	/*
5036	* Initialize the driver chain.
5037	*/
5038	PHDADRIVER pDrv;
5039	RTListForEach(&pThis->lstDrv, pDrv, HDADRIVER, Node)
5040	{
5041	/*
5042	* Only primary drivers are critical for the VM to run. Everything else
5043	* might not worth showing an own error message box in the GUI.
5044	*/
5045	if (!(pDrv->fFlags & PDMAUDIODRVFLAGS_PRIMARY))
5046	continue;
5047
5048	PPDMIAUDIOCONNECTOR pCon = pDrv->pConnector;
5049	AssertPtr(pCon);
5050
5051	bool fValidLineIn = AudioMixerStreamIsValid(pDrv->LineIn.pMixStrm);
5052	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
5053	bool fValidMicIn = AudioMixerStreamIsValid(pDrv->MicIn.pMixStrm);
5054	# endif
5055	bool fValidOut = AudioMixerStreamIsValid(pDrv->Front.pMixStrm);
5056	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
5057	/** @todo Anything to do here? */
5058	# endif
5059
5060	if ( !fValidLineIn
5061	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
5062	&& !fValidMicIn
5063	# endif
5064	&& !fValidOut)
5065	{
5066	LogRel(("HDA: Falling back to NULL backend (no sound audible)\n"));
5067
5068	hdaReset(pDevIns);
5069	hdaReattachInternal(pThis, pDrv, pDrv->uLUN, "NullAudio");
5070
5071	PDMDevHlpVMSetRuntimeError(pDevIns, 0 /fFlags/, "HostAudioNotResponding",
5072	N_("No audio devices could be opened. Selecting the NULL audio backend "
5073	"with the consequence that no sound is audible"));
5074	}
5075	else
5076	{
5077	bool fWarn = false;
5078
5079	PDMAUDIOBACKENDCFG backendCfg;
5080	int rc2 = pCon->pfnGetConfig(pCon, &backendCfg);
5081	if (RT_SUCCESS(rc2))
5082	{
5083	if (backendCfg.cMaxStreamsIn)
5084	{
5085	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
5086	/* If the audio backend supports two or more input streams at once,
5087	* warn if one of our two inputs (microphone-in and line-in) failed to initialize. */
5088	if (backendCfg.cMaxStreamsIn >= 2)
5089	fWarn = !fValidLineIn \|\| !fValidMicIn;
5090	/* If the audio backend only supports one input stream at once (e.g. pure ALSA, and
5091	* not ALSA via PulseAudio plugin!), only warn if both of our inputs failed to initialize.
5092	* One of the two simply is not in use then. */
5093	else if (backendCfg.cMaxStreamsIn == 1)
5094	fWarn = !fValidLineIn && !fValidMicIn;
5095	/* Don't warn if our backend is not able of supporting any input streams at all. */
5096	# else /* !VBOX_WITH_AUDIO_HDA_MIC_IN */
5097	/* We only have line-in as input source. */
5098	fWarn = !fValidLineIn;
5099	# endif /* VBOX_WITH_AUDIO_HDA_MIC_IN */
5100	}
5101
5102	if ( !fWarn
5103	&& backendCfg.cMaxStreamsOut)
5104	{
5105	fWarn = !fValidOut;
5106	}
5107	}
5108	else
5109	{
5110	LogRel(("HDA: Unable to retrieve audio backend configuration for LUN #%RU8, rc=%Rrc\n", pDrv->uLUN, rc2));
5111	fWarn = true;
5112	}
5113
5114	if (fWarn)
5115	{
5116	char szMissingStreams[255];
5117	size_t len = 0;
5118	if (!fValidLineIn)
5119	{
5120	LogRel(("HDA: WARNING: Unable to open PCM line input for LUN #%RU8!\n", pDrv->uLUN));
5121	len = RTStrPrintf(szMissingStreams, sizeof(szMissingStreams), "PCM Input");
5122	}
5123	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
5124	if (!fValidMicIn)
5125	{
5126	LogRel(("HDA: WARNING: Unable to open PCM microphone input for LUN #%RU8!\n", pDrv->uLUN));
5127	len += RTStrPrintf(szMissingStreams + len,
5128	sizeof(szMissingStreams) - len, len ? ", PCM Microphone" : "PCM Microphone");
5129	}
5130	# endif /* VBOX_WITH_AUDIO_HDA_MIC_IN */
5131	if (!fValidOut)
5132	{
5133	LogRel(("HDA: WARNING: Unable to open PCM output for LUN #%RU8!\n", pDrv->uLUN));
5134	len += RTStrPrintf(szMissingStreams + len,
5135	sizeof(szMissingStreams) - len, len ? ", PCM Output" : "PCM Output");
5136	}
5137
5138	PDMDevHlpVMSetRuntimeError(pDevIns, 0 /fFlags/, "HostAudioNotResponding",
5139	N_("Some HDA audio streams (%s) could not be opened. Guest applications generating audio "
5140	"output or depending on audio input may hang. Make sure your host audio device "
5141	"is working properly. Check the logfile for error messages of the audio "
5142	"subsystem"), szMissingStreams);
5143	}
5144	}
5145	}
5146	#endif /* VBOX_WITH_AUDIO_HDA_ONETIME_INIT */
5147	}
5148
5149	if (RT_SUCCESS(rc))
5150	{
5151	hdaReset(pDevIns);
5152
5153	/*
5154	* Debug and string formatter types.
5155	*/
5156	PDMDevHlpDBGFInfoRegister(pDevIns, "hda", "HDA info. (hda [register case-insensitive])", hdaDbgInfo);
5157	PDMDevHlpDBGFInfoRegister(pDevIns, "hdabdle", "HDA stream BDLE info. (hdabdle [stream number])", hdaDbgInfoBDLE);
5158	PDMDevHlpDBGFInfoRegister(pDevIns, "hdastream", "HDA stream info. (hdastream [stream number])", hdaDbgInfoStream);
5159	PDMDevHlpDBGFInfoRegister(pDevIns, "hdcnodes", "HDA codec nodes.", hdaDbgInfoCodecNodes);
5160	PDMDevHlpDBGFInfoRegister(pDevIns, "hdcselector", "HDA codec's selector states [node number].", hdaDbgInfoCodecSelector);
5161	PDMDevHlpDBGFInfoRegister(pDevIns, "hdamixer", "HDA mixer state.", hdaDbgInfoMixer);
5162
5163	rc = RTStrFormatTypeRegister("bdle", hdaDbgFmtBDLE, NULL);
5164	AssertRC(rc);
5165	rc = RTStrFormatTypeRegister("sdctl", hdaDbgFmtSDCTL, NULL);
5166	AssertRC(rc);
5167	rc = RTStrFormatTypeRegister("sdsts", hdaDbgFmtSDSTS, NULL);
5168	AssertRC(rc);
5169	rc = RTStrFormatTypeRegister("sdfifos", hdaDbgFmtSDFIFOS, NULL);
5170	AssertRC(rc);
5171	rc = RTStrFormatTypeRegister("sdfifow", hdaDbgFmtSDFIFOW, NULL);
5172	AssertRC(rc);
5173
5174	/*
5175	* Some debug assertions.
5176	*/
5177	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
5178	{
5179	struct HDAREGDESC const *pReg = &g_aHdaRegMap[i];
5180	struct HDAREGDESC const *pNextReg = i + 1 < RT_ELEMENTS(g_aHdaRegMap) ? &g_aHdaRegMap[i + 1] : NULL;
5181
5182	/* binary search order. */
5183	AssertReleaseMsg(!pNextReg \|\| pReg->offset + pReg->size <= pNextReg->offset,
5184	("[%#x] = {%#x LB %#x} vs. [%#x] = {%#x LB %#x}\n",
5185	i, pReg->offset, pReg->size, i + 1, pNextReg->offset, pNextReg->size));
5186
5187	/* alignment. */
5188	AssertReleaseMsg( pReg->size == 1
5189	\|\| (pReg->size == 2 && (pReg->offset & 1) == 0)
5190	\|\| (pReg->size == 3 && (pReg->offset & 3) == 0)
5191	\|\| (pReg->size == 4 && (pReg->offset & 3) == 0),
5192	("[%#x] = {%#x LB %#x}\n", i, pReg->offset, pReg->size));
5193
5194	/* registers are packed into dwords - with 3 exceptions with gaps at the end of the dword. */
5195	AssertRelease(((pReg->offset + pReg->size) & 3) == 0 \|\| pNextReg);
5196	if (pReg->offset & 3)
5197	{
5198	struct HDAREGDESC const *pPrevReg = i > 0 ? &g_aHdaRegMap[i - 1] : NULL;
5199	AssertReleaseMsg(pPrevReg, ("[%#x] = {%#x LB %#x}\n", i, pReg->offset, pReg->size));
5200	if (pPrevReg)
5201	AssertReleaseMsg(pPrevReg->offset + pPrevReg->size == pReg->offset,
5202	("[%#x] = {%#x LB %#x} vs. [%#x] = {%#x LB %#x}\n",
5203	i - 1, pPrevReg->offset, pPrevReg->size, i + 1, pReg->offset, pReg->size));
5204	}
5205	#if 0
5206	if ((pReg->offset + pReg->size) & 3)
5207	{
5208	AssertReleaseMsg(pNextReg, ("[%#x] = {%#x LB %#x}\n", i, pReg->offset, pReg->size));
5209	if (pNextReg)
5210	AssertReleaseMsg(pReg->offset + pReg->size == pNextReg->offset,
5211	("[%#x] = {%#x LB %#x} vs. [%#x] = {%#x LB %#x}\n",
5212	i, pReg->offset, pReg->size, i + 1, pNextReg->offset, pNextReg->size));
5213	}
5214	#endif
5215	/* The final entry is a full DWORD, no gaps! Allows shortcuts. */
5216	AssertReleaseMsg(pNextReg \|\| ((pReg->offset + pReg->size) & 3) == 0,
5217	("[%#x] = {%#x LB %#x}\n", i, pReg->offset, pReg->size));
5218	}
5219	}
5220
5221	if (RT_SUCCESS(rc))
5222	{
5223	/* Create the emulation timer.
5224	*
5225	* Note: Use TMCLOCK_VIRTUAL_SYNC here, as the guest's HDA driver
5226	* relies on exact (virtual) DMA timing and uses DMA Position Buffers
5227	* instead of the LPIB registers.
5228	*/
5229	rc = PDMDevHlpTMTimerCreate(pDevIns, TMCLOCK_VIRTUAL_SYNC, hdaTimer, pThis,
5230	TMTIMER_FLAGS_NO_CRIT_SECT, "HDA Timer", &pThis->pTimer);
5231	AssertRCReturn(rc, rc);
5232
5233	/* Use our own critcal section for the device timer.
5234	* That way we can control more fine-grained when to lock what. */
5235	rc = TMR3TimerSetCritSect(pThis->pTimer, &pThis->CritSect);
5236	AssertRCReturn(rc, rc);
5237	}
5238
5239	# ifdef VBOX_WITH_STATISTICS
5240	if (RT_SUCCESS(rc))
5241	{
5242	/*
5243	* Register statistics.
5244	*/
5245	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatTimer, STAMTYPE_PROFILE, "/Devices/HDA/Timer", STAMUNIT_TICKS_PER_CALL, "Profiling hdaTimer.");
5246	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatIn, STAMTYPE_PROFILE, "/Devices/HDA/Input", STAMUNIT_TICKS_PER_CALL, "Profiling input.");
5247	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatOut, STAMTYPE_PROFILE, "/Devices/HDA/Output", STAMUNIT_TICKS_PER_CALL, "Profiling output.");
5248	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, "/Devices/HDA/BytesRead" , STAMUNIT_BYTES, "Bytes read from HDA emulation.");
5249	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, "/Devices/HDA/BytesWritten", STAMUNIT_BYTES, "Bytes written to HDA emulation.");
5250	}
5251	# endif
5252
5253	#ifdef VBOX_AUDIO_DEBUG_DUMP_PCM_DATA
5254	RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "hdaDMARead.pcm");
5255	RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "hdaDMAWrite.pcm");
5256	RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "hdaStreamRead.pcm");
5257	RTFileDelete(VBOX_AUDIO_DEBUG_DUMP_PCM_DATA_PATH "hdaStreamWrite.pcm");
5258	#endif
5259
5260	LogFlowFuncLeaveRC(rc);
5261	return rc;
5262	}
5263
5264	/**
5265	* The device registration structure.
5266	*/
5267	const PDMDEVREG g_DeviceHDA =
5268	{
5269	/* u32Version */
5270	PDM_DEVREG_VERSION,
5271	/* szName */
5272	"hda",
5273	/* szRCMod */
5274	"VBoxDDRC.rc",
5275	/* szR0Mod */
5276	"VBoxDDR0.r0",
5277	/* pszDescription */
5278	"Intel HD Audio Controller",
5279	/* fFlags */
5280	PDM_DEVREG_FLAGS_DEFAULT_BITS \| PDM_DEVREG_FLAGS_RC \| PDM_DEVREG_FLAGS_R0,
5281	/* fClass */
5282	PDM_DEVREG_CLASS_AUDIO,
5283	/* cMaxInstances */
5284	1,
5285	/* cbInstance */
5286	sizeof(HDASTATE),
5287	/* pfnConstruct */
5288	hdaConstruct,
5289	/* pfnDestruct */
5290	hdaDestruct,
5291	/* pfnRelocate */
5292	NULL,
5293	/* pfnMemSetup */
5294	NULL,
5295	/* pfnPowerOn */
5296	NULL,
5297	/* pfnReset */
5298	hdaReset,
5299	/* pfnSuspend */
5300	NULL,
5301	/* pfnResume */
5302	NULL,
5303	/* pfnAttach */
5304	hdaAttach,
5305	/* pfnDetach */
5306	hdaDetach,
5307	/* pfnQueryInterface. */
5308	NULL,
5309	/* pfnInitComplete */
5310	NULL,
5311	/* pfnPowerOff */
5312	hdaPowerOff,
5313	/* pfnSoftReset */
5314	NULL,
5315	/* u32VersionEnd */
5316	PDM_DEVREG_VERSION
5317	};
5318
5319	#endif /* IN_RING3 */
5320	#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
5321

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Devices/Audio/DevHDA.cpp@ 69956

Download in other formats: