DevHda.cpp

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1	/* $Id: DevHda.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* Intel HD Audio Controller Emulation.
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) 2006-2024 Oracle and/or its affiliates.
12	*
13	* This file is part of VirtualBox base platform packages, as
14	* available from https://www.virtualbox.org.
15	*
16	* This program is free software; you can redistribute it and/or
17	* modify it under the terms of the GNU General Public License
18	* as published by the Free Software Foundation, in version 3 of the
19	* License.
20	*
21	* This program is distributed in the hope that it will be useful, but
22	* WITHOUT ANY WARRANTY; without even the implied warranty of
23	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24	* General Public License for more details.
25	*
26	* You should have received a copy of the GNU General Public License
27	* along with this program; if not, see <https://www.gnu.org/licenses>.
28	*
29	* SPDX-License-Identifier: GPL-3.0-only
30	*/
31
32
33	/*********************************************************************************************************************************
34	* Header Files *
35	*********************************************************************************************************************************/
36	#define LOG_GROUP LOG_GROUP_DEV_HDA
37	#include <VBox/log.h>
38
39	#include <VBox/vmm/pdmdev.h>
40	#include <VBox/vmm/pdmaudioifs.h>
41	#include <VBox/vmm/pdmaudioinline.h>
42	#ifdef HDA_DEBUG_GUEST_RIP
43	# include <VBox/vmm/cpum.h>
44	#endif
45	#include <VBox/version.h>
46	#include <VBox/AssertGuest.h>
47
48	#include <iprt/assert.h>
49	#include <iprt/asm.h>
50	#include <iprt/asm-math.h>
51	#include <iprt/file.h>
52	#include <iprt/list.h>
53	# include <iprt/string.h>
54	#ifdef IN_RING3
55	# include <iprt/mem.h>
56	# include <iprt/semaphore.h>
57	# include <iprt/uuid.h>
58	#endif
59
60	#include "VBoxDD.h"
61
62	#include "AudioMixBuffer.h"
63	#include "AudioMixer.h"
64
65	#define VBOX_HDA_CAN_ACCESS_REG_MAP /* g_aHdaRegMap is accessible */
66	#include "DevHda.h"
67
68	#include "AudioHlp.h"
69
70
71	/*********************************************************************************************************************************
72	* Defined Constants And Macros *
73	*********************************************************************************************************************************/
74	#if defined(VBOX_WITH_HP_HDA)
75	/* HP Pavilion dv4t-1300 */
76	# define HDA_PCI_VENDOR_ID 0x103c
77	# define HDA_PCI_DEVICE_ID 0x30f7
78	#elif defined(VBOX_WITH_INTEL_HDA)
79	/* Intel HDA controller */
80	# define HDA_PCI_VENDOR_ID 0x8086
81	# define HDA_PCI_DEVICE_ID 0x2668
82	#elif defined(VBOX_WITH_NVIDIA_HDA)
83	/* nVidia HDA controller */
84	# define HDA_PCI_VENDOR_ID 0x10de
85	# define HDA_PCI_DEVICE_ID 0x0ac0
86	#else
87	# error "Please specify your HDA device vendor/device IDs"
88	#endif
89
90	/**
91	* Acquires the HDA lock.
92	*/
93	#define DEVHDA_LOCK(a_pDevIns, a_pThis) \
94	do { \
95	int const rcLock = PDMDevHlpCritSectEnter((a_pDevIns), &(a_pThis)->CritSect, VERR_IGNORED); \
96	PDM_CRITSECT_RELEASE_ASSERT_RC_DEV((a_pDevIns), &(a_pThis)->CritSect, rcLock); \
97	} while (0)
98
99	/**
100	* Acquires the HDA lock or returns.
101	*/
102	#define DEVHDA_LOCK_RETURN(a_pDevIns, a_pThis, a_rcBusy) \
103	do { \
104	int const rcLock = PDMDevHlpCritSectEnter((a_pDevIns), &(a_pThis)->CritSect, a_rcBusy); \
105	if (rcLock == VINF_SUCCESS) \
106	{ /* likely */ } \
107	else \
108	{ \
109	AssertRC(rcLock); \
110	return rcLock; \
111	} \
112	} while (0)
113
114	/**
115	* Acquires the HDA lock or returns.
116	*/
117	# define DEVHDA_LOCK_RETURN_VOID(a_pDevIns, a_pThis) \
118	do { \
119	int const rcLock = PDMDevHlpCritSectEnter((a_pDevIns), &(a_pThis)->CritSect, VERR_IGNORED); \
120	if (rcLock == VINF_SUCCESS) \
121	{ /* likely */ } \
122	else \
123	{ \
124	PDM_CRITSECT_RELEASE_ASSERT_RC_DEV((a_pDevIns), &(a_pThis)->CritSect, rcLock); \
125	return; \
126	} \
127	} while (0)
128
129	/**
130	* Releases the HDA lock.
131	*/
132	#define DEVHDA_UNLOCK(a_pDevIns, a_pThis) \
133	do { PDMDevHlpCritSectLeave((a_pDevIns), &(a_pThis)->CritSect); } while (0)
134
135	/**
136	* Acquires the TM lock and HDA lock, returns on failure.
137	*/
138	#define DEVHDA_LOCK_BOTH_RETURN(a_pDevIns, a_pThis, a_pStream, a_rcBusy) \
139	do { \
140	VBOXSTRICTRC rcLock = PDMDevHlpTimerLockClock2(pDevIns, (a_pStream)->hTimer, &(a_pThis)->CritSect, (a_rcBusy)); \
141	if (RT_LIKELY(rcLock == VINF_SUCCESS)) \
142	{ /* likely */ } \
143	else \
144	return VBOXSTRICTRC_TODO(rcLock); \
145	} while (0)
146
147
148	/*********************************************************************************************************************************
149	* Structures and Typedefs *
150	*********************************************************************************************************************************/
151
152	/**
153	* Structure defining a (host backend) driver stream.
154	* Each driver has its own instances of audio mixer streams, which then
155	* can go into the same (or even different) audio mixer sinks.
156	*/
157	typedef struct HDADRIVERSTREAM
158	{
159	/** Associated mixer handle. */
160	R3PTRTYPE(PAUDMIXSTREAM) pMixStrm;
161	} HDADRIVERSTREAM, *PHDADRIVERSTREAM;
162
163	/**
164	* Struct for maintaining a host backend driver.
165	* This driver must be associated to one, and only one,
166	* HDA codec. The HDA controller does the actual multiplexing
167	* of HDA codec data to various host backend drivers then.
168	*
169	* This HDA device uses a timer in order to synchronize all
170	* read/write accesses across all attached LUNs / backends.
171	*/
172	typedef struct HDADRIVER
173	{
174	/** Node for storing this driver in our device driver list of HDASTATE. */
175	RTLISTNODER3 Node;
176	/** Pointer to shared HDA device state. */
177	R3PTRTYPE(PHDASTATE) pHDAStateShared;
178	/** Pointer to the ring-3 HDA device state. */
179	R3PTRTYPE(PHDASTATER3) pHDAStateR3;
180	/** LUN to which this driver has been assigned. */
181	uint8_t uLUN;
182	/** Whether this driver is in an attached state or not. */
183	bool fAttached;
184	uint8_t u32Padding0[6];
185	/** Pointer to attached driver base interface. */
186	R3PTRTYPE(PPDMIBASE) pDrvBase;
187	/** Audio connector interface to the underlying host backend. */
188	R3PTRTYPE(PPDMIAUDIOCONNECTOR) pConnector;
189	/** Mixer stream for line input. */
190	HDADRIVERSTREAM LineIn;
191	#ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
192	/** Mixer stream for mic input. */
193	HDADRIVERSTREAM MicIn;
194	#endif
195	/** Mixer stream for front output. */
196	HDADRIVERSTREAM Front;
197	#ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
198	/** Mixer stream for center/LFE output. */
199	HDADRIVERSTREAM CenterLFE;
200	/** Mixer stream for rear output. */
201	HDADRIVERSTREAM Rear;
202	#endif
203	/** The LUN description. */
204	char szDesc[48 - 2];
205	} HDADRIVER;
206	/** The HDA host driver backend. */
207	typedef struct HDADRIVER *PHDADRIVER;
208
209
210	/** Internal state of this BDLE.
211	* Not part of the actual BDLE registers.
212	* @note Only for saved state. */
213	typedef struct HDABDLESTATELEGACY
214	{
215	/** Own index within the BDL (Buffer Descriptor List). */
216	uint32_t u32BDLIndex;
217	/** Number of bytes below the stream's FIFO watermark (SDFIFOW).
218	* Used to check if we need fill up the FIFO again. */
219	uint32_t cbBelowFIFOW;
220	/** Current offset in DMA buffer (in bytes).*/
221	uint32_t u32BufOff;
222	uint32_t Padding;
223	} HDABDLESTATELEGACY;
224
225	/**
226	* BDLE and state.
227	* @note Only for saved state.
228	*/
229	typedef struct HDABDLELEGACY
230	{
231	/** The actual BDL description. */
232	HDABDLEDESC Desc;
233	HDABDLESTATELEGACY State;
234	} HDABDLELEGACY;
235	AssertCompileSize(HDABDLELEGACY, 32);
236
237
238	/** Read callback. */
239	typedef VBOXSTRICTRC FNHDAREGREAD(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value);
240	/** Write callback. */
241	typedef VBOXSTRICTRC FNHDAREGWRITE(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value);
242
243	/**
244	* HDA register descriptor.
245	*/
246	typedef struct HDAREGDESC
247	{
248	/** Register offset in the register space. */
249	uint32_t off;
250	/** Size in bytes. Registers of size > 4 are in fact tables. */
251	uint8_t cb;
252	/** Register descriptor (RD) flags of type HDA_RD_F_XXX. These are used to
253	* specify the read/write handling policy of the register. */
254	uint8_t fFlags;
255	/** Index into the register storage array (HDASTATE::au32Regs). */
256	uint8_t idxReg;
257	uint8_t bUnused;
258	/** Readable bits. */
259	uint32_t fReadableMask;
260	/** Writable bits. */
261	uint32_t fWritableMask;
262	/** Read callback. */
263	FNHDAREGREAD *pfnRead;
264	/** Write callback. */
265	FNHDAREGWRITE *pfnWrite;
266	#if defined(IN_RING3) \|\| defined(LOG_ENABLED) /* Saves 0x2f23 - 0x1888 = 0x169B (5787) bytes in VBoxDDR0. */
267	/** Abbreviated name. */
268	const char *pszName;
269	# ifdef IN_RING3
270	/** Description (for stats). */
271	const char *pszDesc;
272	# endif
273	#endif
274	} HDAREGDESC;
275
276
277	/*********************************************************************************************************************************
278	* Internal Functions *
279	*********************************************************************************************************************************/
280	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
281	#ifdef IN_RING3
282	static void hdaR3GCTLReset(PPDMDEVINS pDevIns, PHDASTATE pThis, PHDASTATER3 pThisCC);
283	#endif
284
285	/** @name Register read/write stubs.
286	* @{
287	*/
288	static FNHDAREGREAD hdaRegReadUnimpl;
289	static FNHDAREGWRITE hdaRegWriteUnimpl;
290	/** @} */
291
292	/** @name Global register set read/write functions.
293	* @{
294	*/
295	static FNHDAREGWRITE hdaRegWriteGCTL;
296	static FNHDAREGREAD hdaRegReadLPIB;
297	static FNHDAREGREAD hdaRegReadWALCLK;
298	static FNHDAREGWRITE hdaRegWriteSSYNC;
299	static FNHDAREGWRITE hdaRegWriteNewSSYNC;
300	static FNHDAREGWRITE hdaRegWriteCORBWP;
301	static FNHDAREGWRITE hdaRegWriteCORBRP;
302	static FNHDAREGWRITE hdaRegWriteCORBCTL;
303	static FNHDAREGWRITE hdaRegWriteCORBSIZE;
304	static FNHDAREGWRITE hdaRegWriteCORBSTS;
305	static FNHDAREGWRITE hdaRegWriteRINTCNT;
306	static FNHDAREGWRITE hdaRegWriteRIRBWP;
307	static FNHDAREGWRITE hdaRegWriteRIRBSTS;
308	static FNHDAREGWRITE hdaRegWriteSTATESTS;
309	static FNHDAREGWRITE hdaRegWriteIRS;
310	static FNHDAREGREAD hdaRegReadIRS;
311	static FNHDAREGWRITE hdaRegWriteBase;
312	/** @} */
313
314	/** @name {IOB}SDn read/write functions.
315	* @{
316	*/
317	static FNHDAREGWRITE hdaRegWriteSDCBL;
318	static FNHDAREGWRITE hdaRegWriteSDCTL;
319	static FNHDAREGWRITE hdaRegWriteSDSTS;
320	static FNHDAREGWRITE hdaRegWriteSDLVI;
321	static FNHDAREGWRITE hdaRegWriteSDFIFOW;
322	static FNHDAREGWRITE hdaRegWriteSDFIFOS;
323	static FNHDAREGWRITE hdaRegWriteSDFMT;
324	static FNHDAREGWRITE hdaRegWriteSDBDPL;
325	static FNHDAREGWRITE hdaRegWriteSDBDPU;
326	static FNHDAREGREAD hdaRegReadSDnPIB;
327	static FNHDAREGREAD hdaRegReadSDnEFIFOS;
328	/** @} */
329
330	/** @name Generic register read/write functions.
331	* @{
332	*/
333	static FNHDAREGREAD hdaRegReadU32;
334	static FNHDAREGWRITE hdaRegWriteU32;
335	static FNHDAREGREAD hdaRegReadU24;
336	#ifdef IN_RING3
337	static FNHDAREGWRITE hdaRegWriteU24;
338	#endif
339	static FNHDAREGREAD hdaRegReadU16;
340	static FNHDAREGWRITE hdaRegWriteU16;
341	static FNHDAREGREAD hdaRegReadU8;
342	static FNHDAREGWRITE hdaRegWriteU8;
343	/** @} */
344
345	/** @name HDA device functions.
346	* @{
347	*/
348	#ifdef IN_RING3
349	static int hdaR3AddStream(PHDASTATER3 pThisCC, PPDMAUDIOSTREAMCFG pCfg);
350	static int hdaR3RemoveStream(PHDASTATER3 pThisCC, PPDMAUDIOSTREAMCFG pCfg);
351	#endif /* IN_RING3 */
352	/** @} */
353
354	/** @name HDA mixer functions.
355	* @{
356	*/
357	#ifdef IN_RING3
358	static int hdaR3MixerAddDrvStream(PPDMDEVINS pDevIns, PAUDMIXSINK pMixSink, PCPDMAUDIOSTREAMCFG pCfg, PHDADRIVER pDrv);
359	#endif
360	/** @} */
361
362	#ifdef IN_RING3
363	static FNSSMFIELDGETPUT hdaR3GetPutTrans_HDABDLEDESC_fFlags_6;
364	static FNSSMFIELDGETPUT hdaR3GetPutTrans_HDABDLE_Desc_fFlags_1thru4;
365	#endif
366
367
368	/*********************************************************************************************************************************
369	* Global Variables *
370	*********************************************************************************************************************************/
371	/** No register description (RD) flags defined. */
372	#define HDA_RD_F_NONE 0
373	/** Writes to SD are allowed while RUN bit is set. */
374	#define HDA_RD_F_SD_WRITE_RUN RT_BIT(0)
375
376	/** @def HDA_REG_ENTRY_EX
377	* Maps the entry values to the actual HDAREGDESC layout, which is differs
378	* depending on context and build type. */
379	#if defined(IN_RING3) \|\| defined(LOG_ENABLED)
380	# ifdef IN_RING3
381	# define HDA_REG_ENTRY_EX(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, a_idxMap, a_szName, a_szDesc) \
382	{ a_offBar, a_cbReg, a_fFlags, a_idxMap, 0, a_fReadMask, a_fWriteMask, a_pfnRead, a_pfnWrite, a_szName, a_szDesc }
383	# else
384	# define HDA_REG_ENTRY_EX(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, a_idxMap, a_szName, a_szDesc) \
385	{ a_offBar, a_cbReg, a_fFlags, a_idxMap, 0, a_fReadMask, a_fWriteMask, a_pfnRead, a_pfnWrite, a_szName }
386	# endif
387	#else
388	# define HDA_REG_ENTRY_EX(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, a_idxMap, a_szName, a_szDesc) \
389	{ a_offBar, a_cbReg, a_fFlags, a_idxMap, 0, a_fReadMask, a_fWriteMask, a_pfnRead, a_pfnWrite }
390	#endif
391
392	#define HDA_REG_ENTRY(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, a_ShortRegNm, a_szDesc) \
393	HDA_REG_ENTRY_EX(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, HDA_MEM_IND_NAME(a_ShortRegNm), #a_ShortRegNm, a_szDesc)
394	#define HDA_REG_ENTRY_STR(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, a_StrPrefix, a_ShortRegNm, a_szDesc) \
395	HDA_REG_ENTRY_EX(a_offBar, a_cbReg, a_fReadMask, a_fWriteMask, a_fFlags, a_pfnRead, a_pfnWrite, HDA_MEM_IND_NAME(a_StrPrefix ## a_ShortRegNm), #a_StrPrefix #a_ShortRegNm, #a_StrPrefix ": " a_szDesc)
396
397	/** Emits a single audio stream register set (e.g. OSD0) at a specified offset. */
398	#define HDA_REG_MAP_STRM(offset, name) \
399	/* offset size read mask write mask flags read callback write callback index, abbrev, description */ \
400	/* ------- ------- ---------- ---------- ---------------------- -------------- ----------------- ----------------------------- ----------- */ \
401	/* Offset 0x80 (SD0) */ \
402	HDA_REG_ENTRY_STR(offset, 0x00003, 0x00FF001F, 0x00F0001F, HDA_RD_F_SD_WRITE_RUN, hdaRegReadU24 , hdaRegWriteSDCTL , name, CTL , "Stream Descriptor Control"), \
403	/* Offset 0x83 (SD0) */ \
404	HDA_REG_ENTRY_STR(offset + 0x3, 0x00001, 0x0000003C, 0x0000001C, HDA_RD_F_SD_WRITE_RUN, hdaRegReadU8 , hdaRegWriteSDSTS , name, STS , "Status" ), \
405	/* Offset 0x84 (SD0) */ \
406	HDA_REG_ENTRY_STR(offset + 0x4, 0x00004, 0xFFFFFFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadLPIB, hdaRegWriteU32 , name, LPIB , "Link Position In Buffer" ), \
407	/* Offset 0x88 (SD0) */ \
408	HDA_REG_ENTRY_STR(offset + 0x8, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteSDCBL , name, CBL , "Cyclic Buffer Length" ), \
409	/* Offset 0x8C (SD0) -- upper 8 bits are reserved */ \
410	HDA_REG_ENTRY_STR(offset + 0xC, 0x00002, 0x0000FFFF, 0x000000FF, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteSDLVI , name, LVI , "Last Valid Index" ), \
411	/* Reserved: FIFO Watermark. ** @todo Document this! */ \
412	HDA_REG_ENTRY_STR(offset + 0xE, 0x00002, 0x00000007, 0x00000007, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteSDFIFOW, name, FIFOW, "FIFO Watermark" ), \
413	/* Offset 0x90 (SD0) */ \
414	HDA_REG_ENTRY_STR(offset + 0x10, 0x00002, 0x000000FF, 0x000000FF, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteSDFIFOS, name, FIFOS, "FIFO Size" ), \
415	/* Offset 0x92 (SD0) */ \
416	HDA_REG_ENTRY_STR(offset + 0x12, 0x00002, 0x00007F7F, 0x00007F7F, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteSDFMT , name, FMT , "Stream Format" ), \
417	/* Reserved: 0x94 - 0x98. */ \
418	/* Offset 0x98 (SD0) */ \
419	HDA_REG_ENTRY_STR(offset + 0x18, 0x00004, 0xFFFFFF80, 0xFFFFFF80, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteSDBDPL , name, BDPL , "Buffer Descriptor List Pointer-Lower Base Address" ), \
420	/* Offset 0x9C (SD0) */ \
421	HDA_REG_ENTRY_STR(offset + 0x1C, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteSDBDPU , name, BDPU , "Buffer Descriptor List Pointer-Upper Base Address" )
422
423	/** Defines a single audio stream register set (e.g. OSD0). */
424	#define HDA_REG_MAP_DEF_STREAM(index, name) \
425	HDA_REG_MAP_STRM(HDA_REG_DESC_SD0_BASE + (index * 32 /* 0x20 */), name)
426
427	/** Skylake stream registers. */
428	#define HDA_REG_MAP_SKYLAKE_STRM(a_off, a_StrPrefix) \
429	/* offset size read mask write mask flags read callback write callback index, abbrev, description */ \
430	/* ------- ------- ---------- ---------- -------------- -------------- ----------------- ----------------------------- ----------- */ \
431	/* 0x1084 */ \
432	HDA_REG_ENTRY_STR(a_off + 0x04, 0x00004, 0xffffffff, 0x00000000, HDA_RD_F_NONE, hdaRegReadSDnPIB, hdaRegWriteUnimpl, a_StrPrefix, DPIB, "DMA Position In Buffer" ), \
433	/* 0x1094 */ \
434	HDA_REG_ENTRY_STR(a_off + 0x14, 0x00004, 0xffffffff, 0x00000000, HDA_RD_F_NONE, hdaRegReadSDnEFIFOS, hdaRegWriteUnimpl, a_StrPrefix, EFIFOS, "Extended FIFO Size" )
435
436
437	/** See 302349 p 6.2. */
438	static const HDAREGDESC g_aHdaRegMap[HDA_NUM_REGS] =
439	{
440	/* offset size read mask write mask flags read callback write callback index + abbrev */
441	/------- ------- ---------- ---------- -------------- ---------------- ------------------- ------------------------ /
442	HDA_REG_ENTRY(0x00000, 0x00002, 0x0000FFFB, 0x00000000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , GCAP, "Global Capabilities" ),
443	HDA_REG_ENTRY(0x00002, 0x00001, 0x000000FF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteUnimpl , VMIN, "Minor Version" ),
444	HDA_REG_ENTRY(0x00003, 0x00001, 0x000000FF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteUnimpl , VMAJ, "Major Version" ),
445	HDA_REG_ENTRY(0x00004, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteU16 , OUTPAY, "Output Payload Capabilities" ),
446	HDA_REG_ENTRY(0x00006, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , INPAY, "Input Payload Capabilities" ),
447	HDA_REG_ENTRY(0x00008, 0x00004, 0x00000103, 0x00000103, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteGCTL , GCTL, "Global Control" ),
448	HDA_REG_ENTRY(0x0000c, 0x00002, 0x00007FFF, 0x00007FFF, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteU16 , WAKEEN, "Wake Enable" ),
449	HDA_REG_ENTRY(0x0000e, 0x00002, 0x00000007, 0x00000007, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteSTATESTS, STATESTS, "State Change Status" ),
450	HDA_REG_ENTRY(0x00010, 0x00002, 0xFFFFFFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadUnimpl, hdaRegWriteUnimpl , GSTS, "Global Status" ),
451	HDA_REG_ENTRY(0x00014, 0x00002, 0xFFFFFFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , LLCH, "Linked List Capabilities Header" ),
452	HDA_REG_ENTRY(0x00018, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteU16 , OUTSTRMPAY, "Output Stream Payload Capability" ),
453	HDA_REG_ENTRY(0x0001A, 0x00002, 0x0000FFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteUnimpl , INSTRMPAY, "Input Stream Payload Capability" ),
454	HDA_REG_ENTRY(0x00020, 0x00004, 0xC00000FF, 0xC00000FF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteU32 , INTCTL, "Interrupt Control" ),
455	HDA_REG_ENTRY(0x00024, 0x00004, 0xC00000FF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteUnimpl , INTSTS, "Interrupt Status" ),
456	HDA_REG_ENTRY_EX(0x00030, 0x00004, 0xFFFFFFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadWALCLK, hdaRegWriteUnimpl , 0, "WALCLK", "Wall Clock Counter" ),
457	HDA_REG_ENTRY(0x00034, 0x00004, 0x000000FF, 0x000000FF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteSSYNC , SSYNC, "Stream Synchronization (old)" ),
458	HDA_REG_ENTRY(0x00038, 0x00004, 0x000000FF, 0x000000FF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteNewSSYNC, SSYNC, "Stream Synchronization (new)" ),
459	HDA_REG_ENTRY(0x00040, 0x00004, 0xFFFFFF80, 0xFFFFFF80, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteBase , CORBLBASE, "CORB Lower Base Address" ),
460	HDA_REG_ENTRY(0x00044, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteBase , CORBUBASE, "CORB Upper Base Address" ),
461	HDA_REG_ENTRY(0x00048, 0x00002, 0x000000FF, 0x000000FF, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteCORBWP , CORBWP, "CORB Write Pointer" ),
462	HDA_REG_ENTRY(0x0004A, 0x00002, 0x000080FF, 0x00008000, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteCORBRP , CORBRP, "CORB Read Pointer" ),
463	HDA_REG_ENTRY(0x0004C, 0x00001, 0x00000003, 0x00000003, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteCORBCTL , CORBCTL, "CORB Control" ),
464	HDA_REG_ENTRY(0x0004D, 0x00001, 0x00000001, 0x00000001, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteCORBSTS , CORBSTS, "CORB Status" ),
465	HDA_REG_ENTRY(0x0004E, 0x00001, 0x000000F3, 0x00000003, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteCORBSIZE, CORBSIZE, "CORB Size" ),
466	HDA_REG_ENTRY(0x00050, 0x00004, 0xFFFFFF80, 0xFFFFFF80, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteBase , RIRBLBASE, "RIRB Lower Base Address" ),
467	HDA_REG_ENTRY(0x00054, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteBase , RIRBUBASE, "RIRB Upper Base Address" ),
468	HDA_REG_ENTRY(0x00058, 0x00002, 0x000000FF, 0x00008000, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteRIRBWP , RIRBWP, "RIRB Write Pointer" ),
469	HDA_REG_ENTRY(0x0005A, 0x00002, 0x000000FF, 0x000000FF, HDA_RD_F_NONE, hdaRegReadU16 , hdaRegWriteRINTCNT , RINTCNT, "Response Interrupt Count" ),
470	HDA_REG_ENTRY(0x0005C, 0x00001, 0x00000007, 0x00000007, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteU8 , RIRBCTL, "RIRB Control" ),
471	HDA_REG_ENTRY(0x0005D, 0x00001, 0x00000005, 0x00000005, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteRIRBSTS , RIRBSTS, "RIRB Status" ),
472	HDA_REG_ENTRY(0x0005E, 0x00001, 0x000000F3, 0x00000000, HDA_RD_F_NONE, hdaRegReadU8 , hdaRegWriteUnimpl , RIRBSIZE, "RIRB Size" ),
473	HDA_REG_ENTRY(0x00060, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteU32 , IC, "Immediate Command" ),
474	HDA_REG_ENTRY(0x00064, 0x00004, 0x00000000, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteUnimpl , IR, "Immediate Response" ),
475	HDA_REG_ENTRY(0x00068, 0x00002, 0x00000002, 0x00000002, HDA_RD_F_NONE, hdaRegReadIRS , hdaRegWriteIRS , IRS, "Immediate Command Status" ),
476	HDA_REG_ENTRY(0x00070, 0x00004, 0xFFFFFFFF, 0xFFFFFF81, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteBase , DPLBASE, "DMA Position Lower Base" ),
477	HDA_REG_ENTRY(0x00074, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteBase , DPUBASE, "DMA Position Upper Base" ),
478	/* 4 Serial Data In (SDI). */
479	HDA_REG_MAP_DEF_STREAM(0, SD0),
480	HDA_REG_MAP_DEF_STREAM(1, SD1),
481	HDA_REG_MAP_DEF_STREAM(2, SD2),
482	HDA_REG_MAP_DEF_STREAM(3, SD3),
483	/* 4 Serial Data Out (SDO). */
484	HDA_REG_MAP_DEF_STREAM(4, SD4),
485	HDA_REG_MAP_DEF_STREAM(5, SD5),
486	HDA_REG_MAP_DEF_STREAM(6, SD6),
487	HDA_REG_MAP_DEF_STREAM(7, SD7),
488	HDA_REG_ENTRY(0x00c00, 0x00004, 0xFFFFFFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteUnimpl , MLCH, "Multiple Links Capability Header" ),
489	HDA_REG_ENTRY(0x00c04, 0x00004, 0xFFFFFFFF, 0x00000000, HDA_RD_F_NONE, hdaRegReadU32 , hdaRegWriteUnimpl , MLCD, "Multiple Links Capability Declaration" ),
490	HDA_REG_MAP_SKYLAKE_STRM(0x01080, SD0),
491	HDA_REG_MAP_SKYLAKE_STRM(0x010a0, SD1),
492	HDA_REG_MAP_SKYLAKE_STRM(0x010c0, SD2),
493	HDA_REG_MAP_SKYLAKE_STRM(0x010e0, SD3),
494	HDA_REG_MAP_SKYLAKE_STRM(0x01100, SD4),
495	HDA_REG_MAP_SKYLAKE_STRM(0x01120, SD5),
496	HDA_REG_MAP_SKYLAKE_STRM(0x01140, SD6),
497	HDA_REG_MAP_SKYLAKE_STRM(0x01160, SD7),
498	};
499
500	#undef HDA_REG_ENTRY_EX
501	#undef HDA_REG_ENTRY
502	#undef HDA_REG_ENTRY_STR
503	#undef HDA_REG_MAP_STRM
504	#undef HDA_REG_MAP_DEF_STREAM
505
506	/**
507	* HDA register aliases (HDA spec 3.3.45).
508	* @remarks Sorted by offReg.
509	* @remarks Lookup code ASSUMES this starts somewhere after g_aHdaRegMap ends.
510	*/
511	static struct HDAREGALIAS
512	{
513	/** The alias register offset. */
514	uint32_t offReg;
515	/** The register index. */
516	int idxAlias;
517	} const g_aHdaRegAliases[] =
518	{
519	{ 0x2030, HDA_REG_WALCLK },
520	{ 0x2084, HDA_REG_SD0LPIB },
521	{ 0x20a4, HDA_REG_SD1LPIB },
522	{ 0x20c4, HDA_REG_SD2LPIB },
523	{ 0x20e4, HDA_REG_SD3LPIB },
524	{ 0x2104, HDA_REG_SD4LPIB },
525	{ 0x2124, HDA_REG_SD5LPIB },
526	{ 0x2144, HDA_REG_SD6LPIB },
527	{ 0x2164, HDA_REG_SD7LPIB }
528	};
529
530	#ifdef IN_RING3
531
532	/** HDABDLEDESC field descriptors for the v7+ saved state. */
533	static SSMFIELD const g_aSSMBDLEDescFields7[] =
534	{
535	SSMFIELD_ENTRY(HDABDLEDESC, u64BufAddr),
536	SSMFIELD_ENTRY(HDABDLEDESC, u32BufSize),
537	SSMFIELD_ENTRY(HDABDLEDESC, fFlags),
538	SSMFIELD_ENTRY_TERM()
539	};
540
541	/** HDABDLEDESC field descriptors for the v6 saved states. */
542	static SSMFIELD const g_aSSMBDLEDescFields6[] =
543	{
544	SSMFIELD_ENTRY(HDABDLEDESC, u64BufAddr),
545	SSMFIELD_ENTRY(HDABDLEDESC, u32BufSize),
546	SSMFIELD_ENTRY_CALLBACK(HDABDLEDESC, fFlags, hdaR3GetPutTrans_HDABDLEDESC_fFlags_6),
547	SSMFIELD_ENTRY_TERM()
548	};
549
550	/** HDABDLESTATE field descriptors for the v6 saved state. */
551	static SSMFIELD const g_aSSMBDLEStateFields6[] =
552	{
553	SSMFIELD_ENTRY(HDABDLESTATELEGACY, u32BDLIndex),
554	SSMFIELD_ENTRY(HDABDLESTATELEGACY, cbBelowFIFOW),
555	SSMFIELD_ENTRY_OLD(FIFO, 256), /* Deprecated; now is handled in the stream's circular buffer. */
556	SSMFIELD_ENTRY(HDABDLESTATELEGACY, u32BufOff),
557	SSMFIELD_ENTRY_TERM()
558	};
559
560	/** HDABDLESTATE field descriptors for the v7+ saved state. */
561	static SSMFIELD const g_aSSMBDLEStateFields7[] =
562	{
563	SSMFIELD_ENTRY(HDABDLESTATELEGACY, u32BDLIndex),
564	SSMFIELD_ENTRY(HDABDLESTATELEGACY, cbBelowFIFOW),
565	SSMFIELD_ENTRY(HDABDLESTATELEGACY, u32BufOff),
566	SSMFIELD_ENTRY_TERM()
567	};
568
569	/** HDASTREAMSTATE field descriptors for the v6 saved state. */
570	static SSMFIELD const g_aSSMStreamStateFields6[] =
571	{
572	SSMFIELD_ENTRY_OLD(cBDLE, sizeof(uint16_t)), /* Deprecated. */
573	SSMFIELD_ENTRY_OLD(uCurBDLE, sizeof(uint16_t)), /* We figure it out from LPID */
574	SSMFIELD_ENTRY_OLD(fStop, 1), /* Deprecated; see SSMR3PutBool(). */
575	SSMFIELD_ENTRY_OLD(fRunning, 1), /* Deprecated; using the HDA_SDCTL_RUN bit is sufficient. */
576	SSMFIELD_ENTRY(HDASTREAMSTATE, fInReset),
577	SSMFIELD_ENTRY_TERM()
578	};
579
580	/** HDASTREAMSTATE field descriptors for the v7+ saved state. */
581	static SSMFIELD const g_aSSMStreamStateFields7[] =
582	{
583	SSMFIELD_ENTRY(HDASTREAMSTATE, idxCurBdle), /* For backward compatibility we save this. We use LPIB on restore. */
584	SSMFIELD_ENTRY_OLD(uCurBDLEHi, sizeof(uint8_t)), /* uCurBDLE was 16-bit for some reason, so store/ignore the zero top byte. */
585	SSMFIELD_ENTRY(HDASTREAMSTATE, fInReset),
586	SSMFIELD_ENTRY(HDASTREAMSTATE, tsTransferNext),
587	SSMFIELD_ENTRY_TERM()
588	};
589
590	/** HDABDLE field descriptors for the v1 thru v4 saved states. */
591	static SSMFIELD const g_aSSMStreamBdleFields1234[] =
592	{
593	SSMFIELD_ENTRY(HDABDLELEGACY, Desc.u64BufAddr), /* u64BdleCviAddr */
594	SSMFIELD_ENTRY_OLD(u32BdleMaxCvi, sizeof(uint32_t)), /* u32BdleMaxCvi */
595	SSMFIELD_ENTRY(HDABDLELEGACY, State.u32BDLIndex), /* u32BdleCvi */
596	SSMFIELD_ENTRY(HDABDLELEGACY, Desc.u32BufSize), /* u32BdleCviLen */
597	SSMFIELD_ENTRY(HDABDLELEGACY, State.u32BufOff), /* u32BdleCviPos */
598	SSMFIELD_ENTRY_CALLBACK(HDABDLELEGACY, Desc.fFlags, hdaR3GetPutTrans_HDABDLE_Desc_fFlags_1thru4), /* fBdleCviIoc */
599	SSMFIELD_ENTRY(HDABDLELEGACY, State.cbBelowFIFOW), /* cbUnderFifoW */
600	SSMFIELD_ENTRY_OLD(au8FIFO, 256), /* au8FIFO */
601	SSMFIELD_ENTRY_TERM()
602	};
603
604	#endif /* IN_RING3 */
605
606	/**
607	* 32-bit size indexed masks, i.e. g_afMasks[2 bytes] = 0xffff.
608	*/
609	static uint32_t const g_afMasks[5] =
610	{
611	UINT32_C(0), UINT32_C(0x000000ff), UINT32_C(0x0000ffff), UINT32_C(0x00ffffff), UINT32_C(0xffffffff)
612	};
613
614
615	#ifdef VBOX_STRICT
616
617	/**
618	* Strict register accessor verifing defines and mapping table.
619	* @see HDA_REG
620	*/
621	DECLINLINE(uint32_t *) hdaStrictRegAccessor(PHDASTATE pThis, uint32_t idxMap, uint32_t idxReg)
622	{
623	Assert(idxMap < RT_ELEMENTS(g_aHdaRegMap));
624	AssertMsg(idxReg == g_aHdaRegMap[idxMap].idxReg, ("idxReg=%d\n", idxReg));
625	return &pThis->au32Regs[idxReg];
626	}
627
628	/**
629	* Strict stream register accessor verifing defines and mapping table.
630	* @see HDA_STREAM_REG
631	*/
632	DECLINLINE(uint32_t *) hdaStrictStreamRegAccessor(PHDASTATE pThis, uint32_t idxMap0, uint32_t idxReg0, size_t idxStream)
633	{
634	Assert(idxMap0 < RT_ELEMENTS(g_aHdaRegMap));
635	AssertMsg(idxStream < RT_ELEMENTS(pThis->aStreams), ("%#zx\n", idxStream));
636	AssertMsg(idxReg0 + idxStream * 10 == g_aHdaRegMap[idxMap0 + idxStream * 10].idxReg,
637	("idxReg0=%d idxStream=%zx\n", idxReg0, idxStream));
638	return &pThis->au32Regs[idxReg0 + idxStream * 10];
639	}
640
641	#endif /* VBOX_STRICT */
642
643
644	/**
645	* Returns a new INTSTS value based on the current device state.
646	*
647	* @returns Determined INTSTS register value.
648	* @param pThis The shared HDA device state.
649	*
650	* @remarks This function does not set INTSTS!
651	*/
652	static uint32_t hdaGetINTSTS(PHDASTATE pThis)
653	{
654	uint32_t intSts = 0;
655
656	/* Check controller interrupts (RIRB, STATEST). */
657	if (HDA_REG(pThis, RIRBSTS) & HDA_REG(pThis, RIRBCTL) & (HDA_RIRBCTL_ROIC \| HDA_RIRBCTL_RINTCTL))
658	{
659	intSts \|= HDA_INTSTS_CIS; /* Set the Controller Interrupt Status (CIS). */
660	}
661
662	/* Check SDIN State Change Status Flags. */
663	if (HDA_REG(pThis, STATESTS) & HDA_REG(pThis, WAKEEN))
664	{
665	intSts \|= HDA_INTSTS_CIS; /* Touch Controller Interrupt Status (CIS). */
666	}
667
668	/* For each stream, check if any interrupt status bit is set and enabled. */
669	for (uint8_t iStrm = 0; iStrm < HDA_MAX_STREAMS; ++iStrm)
670	{
671	if (HDA_STREAM_REG(pThis, STS, iStrm) & HDA_STREAM_REG(pThis, CTL, iStrm) & (HDA_SDCTL_DEIE \| HDA_SDCTL_FEIE \| HDA_SDCTL_IOCE))
672	{
673	Log3Func(("[SD%d] interrupt status set\n", iStrm));
674	intSts \|= RT_BIT(iStrm);
675	}
676	}
677
678	if (intSts)
679	intSts \|= HDA_INTSTS_GIS; /* Set the Global Interrupt Status (GIS). */
680
681	Log3Func(("-> 0x%x\n", intSts));
682
683	return intSts;
684	}
685
686
687	/**
688	* Processes (asserts/deasserts) the HDA interrupt according to the current state.
689	*
690	* @param pDevIns The device instance.
691	* @param pThis The shared HDA device state.
692	* @param pszSource Caller information.
693	*/
694	#if defined(LOG_ENABLED) \|\| defined(DOXYGEN_RUNNING)
695	void hdaProcessInterrupt(PPDMDEVINS pDevIns, PHDASTATE pThis, const char *pszSource)
696	#else
697	void hdaProcessInterrupt(PPDMDEVINS pDevIns, PHDASTATE pThis)
698	#endif
699	{
700	uint32_t uIntSts = hdaGetINTSTS(pThis);
701
702	HDA_REG(pThis, INTSTS) = uIntSts;
703
704	/* NB: It is possible to have GIS set even when CIE/SIEn are all zero; the GIS bit does
705	* not control the interrupt signal. See Figure 4 on page 54 of the HDA 1.0a spec.
706	*/
707	/* Global Interrupt Enable (GIE) set? */
708	if ( (HDA_REG(pThis, INTCTL) & HDA_INTCTL_GIE)
709	&& (HDA_REG(pThis, INTSTS) & HDA_REG(pThis, INTCTL) & (HDA_INTCTL_CIE \| HDA_STRMINT_MASK)))
710	{
711	Log3Func(("Asserted (%s)\n", pszSource));
712
713	PDMDevHlpPCISetIrq(pDevIns, 0, 1 /* Assert */);
714	pThis->u8IRQL = 1;
715
716	#ifdef DEBUG
717	pThis->Dbg.IRQ.tsAssertedNs = RTTimeNanoTS();
718	pThis->Dbg.IRQ.tsProcessedLastNs = pThis->Dbg.IRQ.tsAssertedNs;
719	#endif
720	}
721	else
722	{
723	Log3Func(("Deasserted (%s)\n", pszSource));
724
725	PDMDevHlpPCISetIrq(pDevIns, 0, 0 /* Deassert */);
726	pThis->u8IRQL = 0;
727	}
728	}
729
730
731	/**
732	* Looks up a register at the exact offset given by @a offReg.
733	*
734	* @returns Register index on success, -1 if not found.
735	* @param offReg The register offset.
736	*/
737	static int hdaRegLookup(uint32_t offReg)
738	{
739	/*
740	* Aliases.
741	*/
742	if (offReg >= g_aHdaRegAliases[0].offReg)
743	{
744	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegAliases); i++)
745	if (offReg == g_aHdaRegAliases[i].offReg)
746	return g_aHdaRegAliases[i].idxAlias;
747	Assert(g_aHdaRegMap[RT_ELEMENTS(g_aHdaRegMap) - 1].off < offReg);
748	return -1;
749	}
750
751	/*
752	* Binary search the
753	*/
754	int idxEnd = RT_ELEMENTS(g_aHdaRegMap);
755	int idxLow = 0;
756	for (;;)
757	{
758	int idxMiddle = idxLow + (idxEnd - idxLow) / 2;
759	if (offReg < g_aHdaRegMap[idxMiddle].off)
760	{
761	if (idxLow != idxMiddle)
762	idxEnd = idxMiddle;
763	else
764	break;
765	}
766	else if (offReg > g_aHdaRegMap[idxMiddle].off)
767	{
768	idxLow = idxMiddle + 1;
769	if (idxLow < idxEnd)
770	{ /* likely */ }
771	else
772	break;
773	}
774	else
775	return idxMiddle;
776	}
777
778	#ifdef RT_STRICT
779	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
780	Assert(g_aHdaRegMap[i].off != offReg);
781	#endif
782	return -1;
783	}
784
785	#ifdef IN_RING3
786	/**
787	* Looks up a register covering the offset given by @a offReg.
788	*
789	* @returns Register index on success, -1 if not found.
790	* @param offReg The register offset.
791	* @param pcbBefore Where to return the number of bytes in the matching
792	* register preceeding @a offReg.
793	*/
794	static int hdaR3RegLookupWithin(uint32_t offReg, uint32_t *pcbBefore)
795	{
796	/*
797	* Aliases.
798	*
799	* We ASSUME the aliases are for whole registers and that they have the
800	* same alignment (release-asserted in the constructor), so we don't need
801	* to calculate the within-register-offset twice here.
802	*/
803	if (offReg >= g_aHdaRegAliases[0].offReg)
804	{
805	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegAliases); i++)
806	{
807	uint32_t const off = offReg - g_aHdaRegAliases[i].offReg;
808	if (off < 4) /* No register is wider than 4 bytes (release-asserted in constructor). */
809	{
810	const uint32_t idxAlias = g_aHdaRegAliases[i].idxAlias;
811	if (off < g_aHdaRegMap[idxAlias].cb)
812	{
813	Assert(off > 0); /* ASSUMES the caller already did a hdaRegLookup which failed. */
814	Assert((g_aHdaRegAliases[i].offReg & 3) == (g_aHdaRegMap[idxAlias].off & 3));
815	*pcbBefore = off;
816	return idxAlias;
817	}
818	}
819	}
820	Assert(g_aHdaRegMap[RT_ELEMENTS(g_aHdaRegMap) - 1].off < offReg);
821	*pcbBefore = 0;
822	return -1;
823	}
824
825	/*
826	* Binary search the register map.
827	*/
828	int idxEnd = RT_ELEMENTS(g_aHdaRegMap);
829	int idxLow = 0;
830	for (;;)
831	{
832	int idxMiddle = idxLow + (idxEnd - idxLow) / 2;
833	if (offReg < g_aHdaRegMap[idxMiddle].off)
834	{
835	if (idxLow == idxMiddle)
836	break;
837	idxEnd = idxMiddle;
838	}
839	else if (offReg >= g_aHdaRegMap[idxMiddle].off + g_aHdaRegMap[idxMiddle].cb)
840	{
841	idxLow = idxMiddle + 1;
842	if (idxLow >= idxEnd)
843	break;
844	}
845	else
846	{
847	offReg -= g_aHdaRegMap[idxMiddle].off;
848	*pcbBefore = offReg;
849	Assert(offReg > 0); /* ASSUMES the caller already did a hdaRegLookup which failed. */
850	Assert(g_aHdaRegMap[idxMiddle].cb <= 4); /* This is release-asserted in the constructor. */
851	return idxMiddle;
852	}
853	}
854
855	# ifdef RT_STRICT
856	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
857	Assert(offReg - g_aHdaRegMap[i].off >= g_aHdaRegMap[i].cb);
858	# endif
859	*pcbBefore = 0;
860	return -1;
861	}
862	#endif /* IN_RING3 */
863
864	#ifdef IN_RING3 /* Codec is not yet kosher enough for ring-0. @bugref{9890c64} */
865
866	/**
867	* Synchronizes the CORB / RIRB buffers between internal <-> device state.
868	*
869	* @returns VBox status code.
870	*
871	* @param pDevIns The device instance.
872	* @param pThis The shared HDA device state.
873	* @param fLocal Specify true to synchronize HDA state's CORB buffer with the device state,
874	* or false to synchronize the device state's RIRB buffer with the HDA state.
875	*
876	* @todo r=andy Break this up into two functions?
877	*/
878	static int hdaR3CmdSync(PPDMDEVINS pDevIns, PHDASTATE pThis, bool fLocal)
879	{
880	int rc = VINF_SUCCESS;
881	if (fLocal)
882	{
883	if (pThis->u64CORBBase)
884	{
885	Assert(pThis->cbCorbBuf);
886	rc = PDMDevHlpPCIPhysRead(pDevIns, pThis->u64CORBBase, pThis->au32CorbBuf,
887	RT_MIN(pThis->cbCorbBuf, sizeof(pThis->au32CorbBuf)));
888	Log3Func(("CORB: read %RGp LB %#x (%Rrc)\n", pThis->u64CORBBase, pThis->cbCorbBuf, rc));
889	AssertRCReturn(rc, rc);
890	}
891	}
892	else
893	{
894	if (pThis->u64RIRBBase)
895	{
896	Assert(pThis->cbRirbBuf);
897
898	rc = PDMDevHlpPCIPhysWrite(pDevIns, pThis->u64RIRBBase, pThis->au64RirbBuf,
899	RT_MIN(pThis->cbRirbBuf, sizeof(pThis->au64RirbBuf)));
900	Log3Func(("RIRB: phys read %RGp LB %#x (%Rrc)\n", pThis->u64RIRBBase, pThis->cbRirbBuf, rc));
901	AssertRCReturn(rc, rc);
902	}
903	}
904
905	# ifdef DEBUG_CMD_BUFFER
906	LogFunc(("fLocal=%RTbool\n", fLocal));
907
908	uint8_t i = 0;
909	do
910	{
911	LogFunc(("CORB%02x: ", i));
912	uint8_t j = 0;
913	do
914	{
915	const char *pszPrefix;
916	if ((i + j) == HDA_REG(pThis, CORBRP))
917	pszPrefix = "[R]";
918	else if ((i + j) == HDA_REG(pThis, CORBWP))
919	pszPrefix = "[W]";
920	else
921	pszPrefix = " "; /* three spaces */
922	Log((" %s%08x", pszPrefix, pThis->pu32CorbBuf[i + j]));
923	j++;
924	} while (j < 8);
925	Log(("\n"));
926	i += 8;
927	} while (i != 0);
928
929	do
930	{
931	LogFunc(("RIRB%02x: ", i));
932	uint8_t j = 0;
933	do
934	{
935	const char *prefix;
936	if ((i + j) == HDA_REG(pThis, RIRBWP))
937	prefix = "[W]";
938	else
939	prefix = " ";
940	Log((" %s%016lx", prefix, pThis->pu64RirbBuf[i + j]));
941	} while (++j < 8);
942	Log(("\n"));
943	i += 8;
944	} while (i != 0);
945	# endif
946	return rc;
947	}
948
949
950	/**
951	* Processes the next CORB buffer command in the queue.
952	*
953	* This will invoke the HDA codec ring-3 verb dispatcher.
954	*
955	* @returns VBox status code.
956	* @param pDevIns The device instance.
957	* @param pThis The shared HDA device state.
958	* @param pThisCC The ring-0 HDA device state.
959	*/
960	static int hdaR3CORBCmdProcess(PPDMDEVINS pDevIns, PHDASTATE pThis, PHDASTATECC pThisCC)
961	{
962	Log3Func(("ENTER CORB(RP:%x, WP:%x) RIRBWP:%x\n", HDA_REG(pThis, CORBRP), HDA_REG(pThis, CORBWP), HDA_REG(pThis, RIRBWP)));
963
964	if (!(HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA))
965	{
966	LogFunc(("CORB DMA not active, skipping\n"));
967	return VINF_SUCCESS;
968	}
969
970	Assert(pThis->cbCorbBuf);
971
972	int rc = hdaR3CmdSync(pDevIns, pThis, true /* Sync from guest */);
973	AssertRCReturn(rc, rc);
974
975	/*
976	* Prepare local copies of relevant registers.
977	*/
978	uint16_t cIntCnt = HDA_REG(pThis, RINTCNT) & 0xff;
979	if (!cIntCnt) /* 0 means 256 interrupts. */
980	cIntCnt = HDA_MAX_RINTCNT;
981
982	uint32_t const cCorbEntries = RT_MIN(RT_MAX(pThis->cbCorbBuf, 1), sizeof(pThis->au32CorbBuf)) / HDA_CORB_ELEMENT_SIZE;
983	uint8_t const corbWp = HDA_REG(pThis, CORBWP) % cCorbEntries;
984	uint8_t corbRp = HDA_REG(pThis, CORBRP);
985	uint8_t rirbWp = HDA_REG(pThis, RIRBWP);
986
987	/*
988	* The loop.
989	*/
990	Log3Func(("START CORB(RP:%x, WP:%x) RIRBWP:%x, RINTCNT:%RU8/%RU8\n", corbRp, corbWp, rirbWp, pThis->u16RespIntCnt, cIntCnt));
991	while (corbRp != corbWp)
992	{
993	/* Fetch the command from the CORB. */
994	corbRp = (corbRp + 1) /* Advance +1 as the first command(s) are at CORBWP + 1. */ % cCorbEntries;
995	uint32_t const uCmd = pThis->au32CorbBuf[corbRp];
996
997	/*
998	* Execute the command.
999	*/
1000	uint64_t uResp = 0;
1001	rc = hdaR3CodecLookup(&pThisCC->Codec, HDA_CODEC_CMD(uCmd, 0 /* Codec index */), &uResp);
1002	if (RT_SUCCESS(rc))
1003	AssertRCSuccess(rc); /* no informational statuses */
1004	else
1005	Log3Func(("Lookup for codec verb %08x failed: %Rrc\n", uCmd, rc));
1006	Log3Func(("Codec verb %08x -> response %016RX64\n", uCmd, uResp));
1007
1008	if ( (uResp & CODEC_RESPONSE_UNSOLICITED)
1009	&& !(HDA_REG(pThis, GCTL) & HDA_GCTL_UNSOL))
1010	{
1011	LogFunc(("Unexpected unsolicited response.\n"));
1012	HDA_REG(pThis, CORBRP) = corbRp;
1013	/** @todo r=andy No RIRB syncing to guest required in that case? */
1014	/** @todo r=bird: Why isn't RIRBWP updated here. The response might come
1015	* after already processing several commands, can't it? (When you think
1016	* about it, it is bascially the same question as Andy is asking.) */
1017	return VINF_SUCCESS;
1018	}
1019
1020	/*
1021	* Store the response in the RIRB.
1022	*/
1023	AssertCompile(HDA_RIRB_SIZE == RT_ELEMENTS(pThis->au64RirbBuf));
1024	rirbWp = (rirbWp + 1) % HDA_RIRB_SIZE;
1025	pThis->au64RirbBuf[rirbWp] = uResp;
1026
1027	/*
1028	* Send interrupt if needed.
1029	*/
1030	bool fSendInterrupt = false;
1031	pThis->u16RespIntCnt++;
1032	if (pThis->u16RespIntCnt >= cIntCnt) /* Response interrupt count reached? */
1033	{
1034	pThis->u16RespIntCnt = 0; /* Reset internal interrupt response counter. */
1035
1036	Log3Func(("Response interrupt count reached (%RU16)\n", pThis->u16RespIntCnt));
1037	fSendInterrupt = true;
1038	}
1039	else if (corbRp == corbWp) /* Did we reach the end of the current command buffer? */
1040	{
1041	Log3Func(("Command buffer empty\n"));
1042	fSendInterrupt = true;
1043	}
1044	if (fSendInterrupt)
1045	{
1046	if (HDA_REG(pThis, RIRBCTL) & HDA_RIRBCTL_RINTCTL) /* Response Interrupt Control (RINTCTL) enabled? */
1047	{
1048	HDA_REG(pThis, RIRBSTS) \|= HDA_RIRBSTS_RINTFL;
1049	HDA_PROCESS_INTERRUPT(pDevIns, pThis);
1050	}
1051	}
1052	}
1053
1054	/*
1055	* Put register locals back.
1056	*/
1057	Log3Func(("END CORB(RP:%x, WP:%x) RIRBWP:%x, RINTCNT:%RU8/%RU8\n", corbRp, corbWp, rirbWp, pThis->u16RespIntCnt, cIntCnt));
1058	HDA_REG(pThis, CORBRP) = corbRp;
1059	HDA_REG(pThis, RIRBWP) = rirbWp;
1060
1061	/*
1062	* Write out the response.
1063	*/
1064	rc = hdaR3CmdSync(pDevIns, pThis, false /* Sync to guest */);
1065	AssertRC(rc);
1066
1067	return rc;
1068	}
1069
1070	#endif /* IN_RING3 - @bugref{9890c64} */
1071
1072	#ifdef IN_RING3
1073	/**
1074	* @callback_method_impl{FNPDMTASKDEV, Continue CORB DMA in ring-3}
1075	*/
1076	static DECLCALLBACK(void) hdaR3CorbDmaTaskWorker(PPDMDEVINS pDevIns, void *pvUser)
1077	{
1078	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
1079	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
1080	RT_NOREF(pvUser);
1081	LogFlowFunc(("\n"));
1082
1083	DEVHDA_LOCK(pDevIns, pThis);
1084	hdaR3CORBCmdProcess(pDevIns, pThis, pThisCC);
1085	DEVHDA_UNLOCK(pDevIns, pThis);
1086
1087	}
1088	#endif /* IN_RING3 */
1089
1090	/* Register access handlers. */
1091
1092	static VBOXSTRICTRC hdaRegReadUnimpl(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1093	{
1094	RT_NOREF(pDevIns, pThis, iReg);
1095	*pu32Value = 0;
1096	return VINF_SUCCESS;
1097	}
1098
1099	static VBOXSTRICTRC hdaRegWriteUnimpl(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1100	{
1101	RT_NOREF(pDevIns, pThis, iReg, u32Value);
1102	return VINF_SUCCESS;
1103	}
1104
1105	/* U8 */
1106	static VBOXSTRICTRC hdaRegReadU8(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1107	{
1108	Assert(((pThis->au32Regs[g_aHdaRegMap[iReg].idxReg] & g_aHdaRegMap[iReg].fReadableMask) & UINT32_C(0xffffff00)) == 0);
1109	return hdaRegReadU32(pDevIns, pThis, iReg, pu32Value);
1110	}
1111
1112	static VBOXSTRICTRC hdaRegWriteU8(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1113	{
1114	Assert((u32Value & 0xffffff00) == 0);
1115	return hdaRegWriteU32(pDevIns, pThis, iReg, u32Value);
1116	}
1117
1118	/* U16 */
1119	static VBOXSTRICTRC hdaRegReadU16(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1120	{
1121	Assert(((pThis->au32Regs[g_aHdaRegMap[iReg].idxReg] & g_aHdaRegMap[iReg].fReadableMask) & UINT32_C(0xffff0000)) == 0);
1122	return hdaRegReadU32(pDevIns, pThis, iReg, pu32Value);
1123	}
1124
1125	static VBOXSTRICTRC hdaRegWriteU16(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1126	{
1127	Assert((u32Value & 0xffff0000) == 0);
1128	return hdaRegWriteU32(pDevIns, pThis, iReg, u32Value);
1129	}
1130
1131	/* U24 */
1132	static VBOXSTRICTRC hdaRegReadU24(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1133	{
1134	Assert(((pThis->au32Regs[g_aHdaRegMap[iReg].idxReg] & g_aHdaRegMap[iReg].fReadableMask) & UINT32_C(0xff000000)) == 0);
1135	return hdaRegReadU32(pDevIns, pThis, iReg, pu32Value);
1136	}
1137
1138	#ifdef IN_RING3
1139	static VBOXSTRICTRC hdaRegWriteU24(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1140	{
1141	Assert((u32Value & 0xff000000) == 0);
1142	return hdaRegWriteU32(pDevIns, pThis, iReg, u32Value);
1143	}
1144	#endif
1145
1146	/* U32 */
1147	static VBOXSTRICTRC hdaRegReadU32(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1148	{
1149	RT_NOREF(pDevIns);
1150
1151	uint32_t const iRegMem = g_aHdaRegMap[iReg].idxReg;
1152	*pu32Value = pThis->au32Regs[iRegMem] & g_aHdaRegMap[iReg].fReadableMask;
1153	return VINF_SUCCESS;
1154	}
1155
1156	static VBOXSTRICTRC hdaRegWriteU32(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1157	{
1158	RT_NOREF(pDevIns);
1159
1160	uint32_t const iRegMem = g_aHdaRegMap[iReg].idxReg;
1161	pThis->au32Regs[iRegMem] = (u32Value & g_aHdaRegMap[iReg].fWritableMask)
1162	\| (pThis->au32Regs[iRegMem] & ~g_aHdaRegMap[iReg].fWritableMask);
1163	return VINF_SUCCESS;
1164	}
1165
1166	static VBOXSTRICTRC hdaRegWriteGCTL(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1167	{
1168	RT_NOREF(pDevIns, iReg);
1169
1170	if (u32Value & HDA_GCTL_CRST)
1171	{
1172	/* Set the CRST bit to indicate that we're leaving reset mode. */
1173	HDA_REG(pThis, GCTL) \|= HDA_GCTL_CRST;
1174	LogFunc(("Guest leaving HDA reset\n"));
1175	}
1176	else
1177	{
1178	#ifdef IN_RING3
1179	/* Enter reset state. */
1180	LogFunc(("Guest entering HDA reset with DMA(RIRB:%s, CORB:%s)\n",
1181	HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA ? "on" : "off",
1182	HDA_REG(pThis, RIRBCTL) & HDA_RIRBCTL_RDMAEN ? "on" : "off"));
1183
1184	/* Clear the CRST bit to indicate that we're in reset state. */
1185	HDA_REG(pThis, GCTL) &= ~HDA_GCTL_CRST;
1186
1187	hdaR3GCTLReset(pDevIns, pThis, PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3));
1188	#else
1189	return VINF_IOM_R3_MMIO_WRITE;
1190	#endif
1191	}
1192
1193	if (u32Value & HDA_GCTL_FCNTRL)
1194	{
1195	/* Flush: GSTS:1 set, see 6.2.6. */
1196	HDA_REG(pThis, GSTS) \|= HDA_GSTS_FSTS; /* Set the flush status. */
1197	/* DPLBASE and DPUBASE should be initialized with initial value (see 6.2.6). */
1198	}
1199
1200	return VINF_SUCCESS;
1201	}
1202
1203	static VBOXSTRICTRC hdaRegWriteSTATESTS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1204	{
1205	RT_NOREF(pDevIns);
1206
1207	uint32_t v = HDA_REG_IND(pThis, iReg);
1208	uint32_t nv = u32Value & HDA_STATESTS_SCSF_MASK;
1209
1210	HDA_REG(pThis, STATESTS) &= ~(v & nv); /* Write of 1 clears corresponding bit. */
1211
1212	return VINF_SUCCESS;
1213	}
1214
1215	static VBOXSTRICTRC hdaRegReadLPIB(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1216	{
1217	RT_NOREF(pDevIns);
1218	uint8_t const uSD = HDA_SD_NUM_FROM_REG(pThis, LPIB, iReg);
1219	uint32_t const uLPIB = HDA_STREAM_REG(pThis, LPIB, uSD);
1220
1221	#ifdef VBOX_HDA_WITH_ON_REG_ACCESS_DMA
1222	/*
1223	* Should we consider doing DMA work while we're here? That would require
1224	* the stream to have the DMA engine enabled and be an output stream.
1225	*/
1226	if ( (HDA_STREAM_REG(pThis, CTL, uSD) & HDA_SDCTL_RUN)
1227	&& hdaGetDirFromSD(uSD) == PDMAUDIODIR_OUT
1228	&& uSD < RT_ELEMENTS(pThis->aStreams) /* paranoia */)
1229	{
1230	PHDASTREAM const pStreamShared = &pThis->aStreams[uSD];
1231	Assert(pStreamShared->u8SD == uSD);
1232	if (pStreamShared->State.fRunning /* should be same as HDA_SDCTL_RUN, but doesn't hurt to check twice */)
1233	{
1234	/*
1235	* Calculate where the DMA engine should be according to the clock, if we can.
1236	*/
1237	uint32_t const cbFrame = PDMAudioPropsFrameSize(&pStreamShared->State.Cfg.Props);
1238	uint32_t const cbPeriod = pStreamShared->State.cbCurDmaPeriod;
1239	if (cbPeriod > cbFrame)
1240	{
1241	AssertMsg(pStreamShared->State.cbDmaTotal < cbPeriod, ("%#x vs %#x\n", pStreamShared->State.cbDmaTotal, cbPeriod));
1242	uint64_t const tsTransferNext = pStreamShared->State.tsTransferNext;
1243	uint64_t const tsNow = PDMDevHlpTimerGet(pDevIns, pThis->aStreams[0].hTimer); /* only #0 works in r0 */
1244	uint32_t cbFuture;
1245	if (tsNow < tsTransferNext)
1246	{
1247	/** @todo ASSUMES nanosecond clock ticks, need to make this
1248	* resolution independent. */
1249	cbFuture = PDMAudioPropsNanoToBytes(&pStreamShared->State.Cfg.Props, tsTransferNext - tsNow);
1250	cbFuture = RT_MIN(cbFuture, cbPeriod - cbFrame);
1251	}
1252	else
1253	{
1254	/* We've hit/overshot the timer deadline. Return to ring-3 if we're
1255	not already there to increase the chance that we'll help expidite
1256	the timer. If we're already in ring-3, do all but the last frame. */
1257	# ifndef IN_RING3
1258	LogFunc(("[SD%RU8] DMA period expired: tsNow=%RU64 >= tsTransferNext=%RU64 -> VINF_IOM_R3_MMIO_READ\n",
1259	tsNow, tsTransferNext));
1260	return VINF_IOM_R3_MMIO_READ;
1261	# else
1262	cbFuture = cbPeriod - cbFrame;
1263	LogFunc(("[SD%RU8] DMA period expired: tsNow=%RU64 >= tsTransferNext=%RU64 -> cbFuture=%#x (cbPeriod=%#x - cbFrame=%#x)\n",
1264	tsNow, tsTransferNext, cbFuture, cbPeriod, cbFrame));
1265	# endif
1266	}
1267	uint32_t const offNow = PDMAudioPropsFloorBytesToFrame(&pStreamShared->State.Cfg.Props, cbPeriod - cbFuture);
1268
1269	/*
1270	* Should we transfer a little? Minimum is 64 bytes (semi-random,
1271	* suspect real hardware might be doing some cache aligned stuff,
1272	* which might soon get complicated if you take unaligned buffers
1273	* into consideration and which cache line size (128 bytes is just
1274	* as likely as 64 or 32 bytes)).
1275	*/
1276	uint32_t cbDmaTotal = pStreamShared->State.cbDmaTotal;
1277	if (cbDmaTotal + 64 <= offNow)
1278	{
1279	VBOXSTRICTRC rcStrict = hdaStreamDoOnAccessDmaOutput(pDevIns, pThis, pStreamShared,
1280	tsNow, offNow - cbDmaTotal);
1281
1282	/* LPIB is updated by hdaStreamDoOnAccessDmaOutput, so get the new value. */
1283	uint32_t const uNewLpib = HDA_STREAM_REG(pThis, LPIB, uSD);
1284	*pu32Value = uNewLpib;
1285
1286	LogFlowFunc(("[SD%RU8] LPIB=%#RX32 (CBL=%#RX32 PrevLPIB=%#x offNow=%#x) rcStrict=%Rrc\n", uSD,
1287	uNewLpib, HDA_STREAM_REG(pThis, CBL, uSD), uLPIB, offNow, VBOXSTRICTRC_VAL(rcStrict) ));
1288	return rcStrict;
1289	}
1290
1291	/*
1292	* Do nothing, just return LPIB as it is.
1293	*/
1294	LogFlowFunc(("[SD%RU8] Skipping DMA transfer: cbDmaTotal=%#x offNow=%#x\n", uSD, cbDmaTotal, offNow));
1295	}
1296	else
1297	LogFunc(("[SD%RU8] cbPeriod=%#x <= cbFrame=%#x!!\n", uSD, cbPeriod, cbFrame));
1298	}
1299	else
1300	LogFunc(("[SD%RU8] fRunning=0 SDnCTL=%#x!!\n", uSD, HDA_STREAM_REG(pThis, CTL, uSD) ));
1301	}
1302	#endif /* VBOX_HDA_WITH_ON_REG_ACCESS_DMA */
1303
1304	LogFlowFunc(("[SD%RU8] LPIB=%#RX32 (CBL=%#RX32 CTL=%#RX32)\n",
1305	uSD, uLPIB, HDA_STREAM_REG(pThis, CBL, uSD), HDA_STREAM_REG(pThis, CTL, uSD) ));
1306	*pu32Value = uLPIB;
1307	return VINF_SUCCESS;
1308	}
1309
1310	/**
1311	* Gets the wall clock.
1312	*
1313	* Used by hdaRegReadWALCLK() and 'info hda'.
1314	*
1315	* @returns Strict VBox status code if @a fDoDma is @c true, otherwise
1316	* VINF_SUCCESS.
1317	* @param pDevIns The device instance.
1318	* @param pThis The shared HDA device state.
1319	* @param fDoDma Whether to consider doing DMA work or not.
1320	* @param puWallNow Where to return the current wall clock time.
1321	*/
1322	static VBOXSTRICTRC hdaQueryWallClock(PPDMDEVINS pDevIns, PHDASTATE pThis, bool fDoDma, uint64_t *puWallNow)
1323	{
1324	/*
1325	* The wall clock is calculated from the virtual sync clock. Since
1326	* the clock is supposed to reset to zero on controller reset, a
1327	* start offset is subtracted.
1328	*
1329	* In addition, we hold the clock back when there are active DMA engines
1330	* so that the guest won't conclude we've gotten further in the buffer
1331	* processing than what we really have. (We generally read a whole buffer
1332	* at once when the IOC is due, so we're a lot later than what real
1333	* hardware would be in reading/writing the buffers.)
1334	*
1335	* Here are some old notes from the DMA engine that might be useful even
1336	* if a little dated:
1337	*
1338	* Note 1) Only certain guests (like Linux' snd_hda_intel) rely on the WALCLK register
1339	* in order to determine the correct timing of the sound device. Other guests
1340	* like Windows 7 + 10 (or even more exotic ones like Haiku) will completely
1341	* ignore this.
1342	*
1343	* Note 2) When updating the WALCLK register too often / early (or even in a non-monotonic
1344	* fashion) this will upset guest device drivers and will completely fuck up the
1345	* sound output. Running VLC on the guest will tell!
1346	*/
1347	uint64_t const uFreq = PDMDevHlpTimerGetFreq(pDevIns, pThis->aStreams[0].hTimer);
1348	Assert(uFreq <= UINT32_MAX);
1349	uint64_t const tsStart = 0; /** @todo pThis->tsWallClkStart (as it is reset on controller reset) */
1350	uint64_t const tsNow = PDMDevHlpTimerGet(pDevIns, pThis->aStreams[0].hTimer);
1351
1352	/* Find the oldest DMA transfer timestamp from the active streams. */
1353	int iDmaNow = -1;
1354	uint64_t tsDmaNow = tsNow;
1355	for (size_t i = 0; i < RT_ELEMENTS(pThis->aStreams); i++)
1356	if (pThis->aStreams[i].State.fRunning)
1357	{
1358	#ifdef VBOX_HDA_WITH_ON_REG_ACCESS_DMA
1359	/* Linux is reading WALCLK before one of the DMA position reads and
1360	we've already got the current time from TM, so check if we should
1361	do a little bit of DMA'ing here to help WALCLK ahead. */
1362	if (fDoDma)
1363	{
1364	if (hdaGetDirFromSD((uint8_t)i) == PDMAUDIODIR_OUT)
1365	{
1366	VBOXSTRICTRC rcStrict = hdaStreamMaybeDoOnAccessDmaOutput(pDevIns, pThis, &pThis->aStreams[i], tsNow);
1367	if (rcStrict == VINF_SUCCESS)
1368	{ /* likely */ }
1369	else
1370	return rcStrict;
1371	}
1372	}
1373	#endif
1374
1375	if ( pThis->aStreams[i].State.tsTransferLast < tsDmaNow
1376	&& pThis->aStreams[i].State.tsTransferLast > tsStart)
1377	{
1378	tsDmaNow = pThis->aStreams[i].State.tsTransferLast;
1379	iDmaNow = (int)i;
1380	}
1381	}
1382
1383	/* Convert it to wall clock ticks. */
1384	uint64_t const uWallClkNow = ASMMultU64ByU32DivByU32(tsDmaNow - tsStart,
1385	24000000 /Wall clock frequency /,
1386	uFreq);
1387	Log3Func(("Returning %#RX64 - tsNow=%#RX64 tsDmaNow=%#RX64 (%d) -> %#RX64\n",
1388	uWallClkNow, tsNow, tsDmaNow, iDmaNow, tsNow - tsDmaNow));
1389	RT_NOREF(iDmaNow, fDoDma);
1390	*puWallNow = uWallClkNow;
1391	return VINF_SUCCESS;
1392	}
1393
1394	static VBOXSTRICTRC hdaRegReadWALCLK(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
1395	{
1396	uint64_t uWallNow = 0;
1397	VBOXSTRICTRC rcStrict = hdaQueryWallClock(pDevIns, pThis, true /fDoDma/, &uWallNow);
1398	if (rcStrict == VINF_SUCCESS)
1399	{
1400	*pu32Value = (uint32_t)uWallNow;
1401	return VINF_SUCCESS;
1402	}
1403	RT_NOREF(iReg);
1404	return rcStrict;
1405	}
1406
1407	static VBOXSTRICTRC hdaRegWriteSSYNCWorker(PHDASTATE pThis, uint32_t iReg, uint32_t u32Value, const char *pszCaller)
1408	{
1409	RT_NOREF(pszCaller);
1410
1411	/*
1412	* The SSYNC register is a DMA pause mask where each bit represents a stream.
1413	* There should be no DMA transfers going down the driver chains when the a
1414	* stream has its bit set here. There are two scenarios described in the
1415	* specification, starting and stopping, though it can probably be used for
1416	* other purposes if the guest gets creative...
1417	*
1418	* Anyway, if we ever want to implement this, we'd be manipulating the DMA
1419	* timers of the affected streams here, I think. At least in the start
1420	* scenario, we would run the first DMA transfers from here.
1421	*/
1422	uint32_t const fOld = HDA_REG(pThis, SSYNC);
1423	uint32_t const fNew = (u32Value & g_aHdaRegMap[iReg].fWritableMask)
1424	\| (fOld & ~g_aHdaRegMap[iReg].fWritableMask);
1425	uint32_t const fChanged = (fNew ^ fOld) & (RT_BIT_32(HDA_MAX_STREAMS) - 1);
1426	if (fChanged)
1427	{
1428	#if 0 /** @todo implement SSYNC: ndef IN_RING3 */
1429	Log3(("%s: Going to ring-3 to handle SSYNC change: %#x\n", pszCaller, fChanged));
1430	return VINF_IOM_R3_MMIO_WRITE;
1431	#else
1432	for (uint32_t fMask = 1, i = 0; fMask < RT_BIT_32(HDA_MAX_STREAMS); i++, fMask <<= 1)
1433	if (!(fChanged & fMask))
1434	{ /* nothing */ }
1435	else if (fNew & fMask)
1436	{
1437	Log3(("%Rfn: SSYNC bit %u set\n", pszCaller, i));
1438	/* See code in SDCTL around hdaR3StreamTimerMain call. */
1439	}
1440	else
1441	{
1442	Log3(("%Rfn: SSYNC bit %u cleared\n", pszCaller, i));
1443	/* The next DMA timer callout will not do anything. */
1444	}
1445	#endif
1446	}
1447
1448	HDA_REG(pThis, SSYNC) = fNew;
1449	return VINF_SUCCESS;
1450	}
1451
1452	static VBOXSTRICTRC hdaRegWriteSSYNC(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1453	{
1454	RT_NOREF(pDevIns);
1455	return hdaRegWriteSSYNCWorker(pThis, iReg, u32Value, __FUNCTION__);
1456	}
1457
1458	static VBOXSTRICTRC hdaRegWriteNewSSYNC(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1459	{
1460	RT_NOREF(pDevIns);
1461	return hdaRegWriteSSYNCWorker(pThis, iReg, u32Value, __FUNCTION__);
1462	}
1463
1464	static VBOXSTRICTRC hdaRegWriteCORBRP(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1465	{
1466	RT_NOREF(pDevIns, iReg);
1467	if (u32Value & HDA_CORBRP_RST)
1468	{
1469	/* Do a CORB reset. */
1470	if (pThis->cbCorbBuf)
1471	RT_ZERO(pThis->au32CorbBuf);
1472
1473	LogRel2(("HDA: CORB reset\n"));
1474	HDA_REG(pThis, CORBRP) = HDA_CORBRP_RST; /* Clears the pointer. */
1475	}
1476	else
1477	HDA_REG(pThis, CORBRP) &= ~HDA_CORBRP_RST; /* Only CORBRP_RST bit is writable. */
1478
1479	return VINF_SUCCESS;
1480	}
1481
1482	static VBOXSTRICTRC hdaRegWriteCORBCTL(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1483	{
1484	VBOXSTRICTRC rc = hdaRegWriteU8(pDevIns, pThis, iReg, u32Value);
1485	AssertRCSuccess(VBOXSTRICTRC_VAL(rc));
1486
1487	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* DMA engine started? */
1488	{
1489	#ifdef IN_RING3 /** @todo do PDMDevHlpTaskTrigger everywhere? */
1490	rc = hdaR3CORBCmdProcess(pDevIns, pThis, PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATECC));
1491	#else
1492	rc = PDMDevHlpTaskTrigger(pDevIns, pThis->hCorbDmaTask);
1493	if (rc != VINF_SUCCESS && RT_SUCCESS(rc))
1494	rc = VINF_SUCCESS;
1495	#endif
1496	}
1497	else
1498	LogFunc(("CORB DMA not running, skipping\n"));
1499
1500	return rc;
1501	}
1502
1503	static VBOXSTRICTRC hdaRegWriteCORBSIZE(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1504	{
1505	RT_NOREF(pDevIns, iReg);
1506
1507	if (!(HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA)) /* Ignore request if CORB DMA engine is (still) running. */
1508	{
1509	u32Value = (u32Value & HDA_CORBSIZE_SZ);
1510
1511	uint16_t cEntries;
1512	switch (u32Value)
1513	{
1514	case 0: /* 8 byte; 2 entries. */
1515	cEntries = 2;
1516	break;
1517	case 1: /* 64 byte; 16 entries. */
1518	cEntries = 16;
1519	break;
1520	case 2: /* 1 KB; 256 entries. */
1521	cEntries = HDA_CORB_SIZE; /* default. */
1522	break;
1523	default:
1524	LogRel(("HDA: Guest tried to set an invalid CORB size (0x%x), keeping default\n", u32Value));
1525	u32Value = 2;
1526	cEntries = HDA_CORB_SIZE; /* Use default size. */
1527	break;
1528	}
1529
1530	uint32_t cbCorbBuf = cEntries * HDA_CORB_ELEMENT_SIZE;
1531	Assert(cbCorbBuf <= sizeof(pThis->au32CorbBuf)); /* paranoia */
1532
1533	if (cbCorbBuf != pThis->cbCorbBuf)
1534	{
1535	RT_ZERO(pThis->au32CorbBuf); /* Clear CORB when setting a new size. */
1536	pThis->cbCorbBuf = cbCorbBuf;
1537	}
1538
1539	LogFunc(("CORB buffer size is now %RU32 bytes (%u entries)\n", pThis->cbCorbBuf, pThis->cbCorbBuf / HDA_CORB_ELEMENT_SIZE));
1540
1541	HDA_REG(pThis, CORBSIZE) = u32Value;
1542	}
1543	else
1544	LogFunc(("CORB DMA is (still) running, skipping\n"));
1545	return VINF_SUCCESS;
1546	}
1547
1548	static VBOXSTRICTRC hdaRegWriteCORBSTS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1549	{
1550	RT_NOREF(pDevIns, iReg);
1551
1552	uint32_t v = HDA_REG(pThis, CORBSTS);
1553	HDA_REG(pThis, CORBSTS) &= ~(v & u32Value);
1554
1555	return VINF_SUCCESS;
1556	}
1557
1558	static VBOXSTRICTRC hdaRegWriteCORBWP(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1559	{
1560	VBOXSTRICTRC rc = hdaRegWriteU16(pDevIns, pThis, iReg, u32Value);
1561	AssertRCSuccess(VBOXSTRICTRC_VAL(rc));
1562
1563	#ifdef IN_RING3 /** @todo do PDMDevHlpTaskTrigger everywhere? */
1564	return hdaR3CORBCmdProcess(pDevIns, pThis, PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATECC));
1565	#else
1566	rc = PDMDevHlpTaskTrigger(pDevIns, pThis->hCorbDmaTask);
1567	return RT_SUCCESS(rc) ? VINF_SUCCESS : rc;
1568	#endif
1569	}
1570
1571	static VBOXSTRICTRC hdaRegWriteSDCBL(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1572	{
1573	return hdaRegWriteU32(pDevIns, pThis, iReg, u32Value);
1574	}
1575
1576	static VBOXSTRICTRC hdaRegWriteSDCTL(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1577	{
1578	#ifdef IN_RING3
1579	/* Get the stream descriptor number. */
1580	const uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, CTL, iReg);
1581	AssertReturn(uSD < RT_ELEMENTS(pThis->aStreams), VERR_INTERNAL_ERROR_3); /* paranoia^2: Bad g_aHdaRegMap. */
1582
1583	/*
1584	* Extract the stream tag the guest wants to use for this specific
1585	* stream descriptor (SDn). This only can happen if the stream is in a non-running
1586	* state, so we're doing the lookup and assignment here.
1587	*
1588	* So depending on the guest OS, SD3 can use stream tag 4, for example.
1589	*/
1590	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
1591	uint8_t uTag = (u32Value >> HDA_SDCTL_NUM_SHIFT) & HDA_SDCTL_NUM_MASK;
1592	ASSERT_GUEST_MSG_RETURN(uTag < RT_ELEMENTS(pThisCC->aTags),
1593	("SD%RU8: Invalid stream tag %RU8 (u32Value=%#x)!\n", uSD, uTag, u32Value),
1594	VINF_SUCCESS /* Always return success to the MMIO handler. */);
1595
1596	PHDASTREAM const pStreamShared = &pThis->aStreams[uSD];
1597	PHDASTREAMR3 const pStreamR3 = &pThisCC->aStreams[uSD];
1598
1599	const bool fRun = RT_BOOL(u32Value & HDA_SDCTL_RUN);
1600	const bool fReset = RT_BOOL(u32Value & HDA_SDCTL_SRST);
1601
1602	/* If the run bit is set, we take the virtual-sync clock lock as well so we
1603	can safely update timers via hdaR3TimerSet if necessary. We need to be
1604	very careful with the fInReset and fInRun indicators here, as they may
1605	change during the relocking if we need to acquire the clock lock. */
1606	const bool fNeedVirtualSyncClockLock = (u32Value & (HDA_SDCTL_RUN \| HDA_SDCTL_SRST)) == HDA_SDCTL_RUN
1607	&& (HDA_REG_IND(pThis, iReg) & HDA_SDCTL_RUN) == 0;
1608	if (fNeedVirtualSyncClockLock)
1609	{
1610	DEVHDA_UNLOCK(pDevIns, pThis);
1611	DEVHDA_LOCK_BOTH_RETURN(pDevIns, pThis, pStreamShared, VINF_IOM_R3_MMIO_WRITE);
1612	}
1613
1614	const bool fInRun = RT_BOOL(HDA_REG_IND(pThis, iReg) & HDA_SDCTL_RUN);
1615	const bool fInReset = RT_BOOL(HDA_REG_IND(pThis, iReg) & HDA_SDCTL_SRST);
1616
1617	/*LogFunc(("[SD%RU8] fRun=%RTbool, fInRun=%RTbool, fReset=%RTbool, fInReset=%RTbool, %R[sdctl]\n",
1618	uSD, fRun, fInRun, fReset, fInReset, u32Value));*/
1619	if (fInReset)
1620	{
1621	ASSERT_GUEST(!fReset);
1622	ASSERT_GUEST(!fInRun && !fRun);
1623
1624	/* Exit reset state. */
1625	ASMAtomicXchgBool(&pStreamShared->State.fInReset, false);
1626
1627	/* Report that we're done resetting this stream by clearing SRST. */
1628	HDA_STREAM_REG(pThis, CTL, uSD) &= ~HDA_SDCTL_SRST;
1629
1630	LogFunc(("[SD%RU8] Reset exit\n", uSD));
1631	}
1632	else if (fReset)
1633	{
1634	/* ICH6 datasheet 18.2.33 says that RUN bit should be cleared before initiation of reset. */
1635	ASSERT_GUEST(!fInRun && !fRun);
1636
1637	LogFunc(("[SD%RU8] Reset enter\n", uSD));
1638
1639	STAM_REL_PROFILE_START_NS(&pStreamR3->State.StatReset, a);
1640	Assert(PDMDevHlpCritSectIsOwner(pDevIns, &pThis->CritSect));
1641	PAUDMIXSINK const pMixSink = pStreamR3->pMixSink ? pStreamR3->pMixSink->pMixSink : NULL;
1642	if (pMixSink)
1643	AudioMixerSinkLock(pMixSink);
1644
1645	/* Deal with reset while running. */
1646	if (pStreamShared->State.fRunning)
1647	{
1648	int rc2 = hdaR3StreamEnable(pThis, pStreamShared, pStreamR3, false /* fEnable */);
1649	AssertRC(rc2); Assert(!pStreamShared->State.fRunning);
1650	pStreamShared->State.fRunning = false;
1651	}
1652
1653	hdaR3StreamReset(pThis, pThisCC, pStreamShared, pStreamR3, uSD);
1654
1655	if (pMixSink) /* (FYI. pMixSink might not be what pStreamR3->pMixSink->pMixSink points at any longer) */
1656	AudioMixerSinkUnlock(pMixSink);
1657	STAM_REL_PROFILE_STOP_NS(&pStreamR3->State.StatReset, a);
1658	}
1659	else
1660	{
1661	/*
1662	* We enter here to change DMA states only.
1663	*/
1664	if (fInRun != fRun)
1665	{
1666	STAM_REL_PROFILE_START_NS((fRun ? &pStreamR3->State.StatStart : &pStreamR3->State.StatStop), r);
1667	Assert(!fReset && !fInReset); /* (code change paranoia, currently impossible ) */
1668	LogFunc(("[SD%RU8] State changed (fRun=%RTbool)\n", uSD, fRun));
1669
1670	Assert(PDMDevHlpCritSectIsOwner(pDevIns, &pThis->CritSect));
1671	/** @todo bird: It's not clear to me when the pMixSink is actually
1672	* assigned to the stream, so being paranoid till I find out... */
1673	PAUDMIXSINK const pMixSink = pStreamR3->pMixSink ? pStreamR3->pMixSink->pMixSink : NULL;
1674	if (pMixSink)
1675	AudioMixerSinkLock(pMixSink);
1676
1677	int rc2 = VINF_SUCCESS;
1678	if (fRun)
1679	{
1680	if (hdaGetDirFromSD(uSD) == PDMAUDIODIR_OUT)
1681	{
1682	const uint8_t uStripeCtl = ((u32Value >> HDA_SDCTL_STRIPE_SHIFT) & HDA_SDCTL_STRIPE_MASK) + 1;
1683	LogFunc(("[SD%RU8] Using %RU8 SDOs (stripe control)\n", uSD, uStripeCtl));
1684	if (uStripeCtl > 1)
1685	LogRel2(("HDA: Warning: Striping output over more than one SDO for stream #%RU8 currently is not implemented " \
1686	"(%RU8 SDOs requested)\n", uSD, uStripeCtl));
1687	}
1688
1689	/* Assign new values. */
1690	LogFunc(("[SD%RU8] Using stream tag=%RU8\n", uSD, uTag));
1691	PHDATAG pTag = &pThisCC->aTags[uTag];
1692	pTag->uTag = uTag;
1693	pTag->pStreamR3 = &pThisCC->aStreams[uSD];
1694
1695	# ifdef LOG_ENABLED
1696	if (LogIsEnabled())
1697	{
1698	PDMAUDIOPCMPROPS Props = { 0 };
1699	rc2 = hdaR3SDFMTToPCMProps(HDA_STREAM_REG(pThis, FMT, uSD), &Props); AssertRC(rc2);
1700	LogFunc(("[SD%RU8] %RU32Hz, %RU8bit, %RU8 channel(s)\n",
1701	uSD, Props.uHz, PDMAudioPropsSampleBits(&Props), PDMAudioPropsChannels(&Props)));
1702	}
1703	# endif
1704	/* (Re-)initialize the stream with current values. */
1705	rc2 = hdaR3StreamSetUp(pDevIns, pThis, pStreamShared, pStreamR3, uSD);
1706	if ( RT_SUCCESS(rc2)
1707	/* Any vital stream change occurred so that we need to (re-)add the stream to our setup?
1708	* Otherwise just skip this, as this costs a lot of performance. */
1709	/** @todo r=bird: hdaR3StreamSetUp does not return VINF_NO_CHANGE since r142810. */
1710	&& rc2 != VINF_NO_CHANGE)
1711	{
1712	/* Remove the old stream from the device setup. */
1713	rc2 = hdaR3RemoveStream(pThisCC, &pStreamShared->State.Cfg);
1714	AssertRC(rc2);
1715
1716	/* Add the stream to the device setup. */
1717	rc2 = hdaR3AddStream(pThisCC, &pStreamShared->State.Cfg);
1718	AssertRC(rc2);
1719	}
1720	}
1721
1722	if (RT_SUCCESS(rc2))
1723	{
1724	/* Enable/disable the stream. */
1725	rc2 = hdaR3StreamEnable(pThis, pStreamShared, pStreamR3, fRun /* fEnable */);
1726	AssertRC(rc2);
1727
1728	if (fRun)
1729	{
1730	/** @todo move this into a HDAStream.cpp function. */
1731	uint64_t tsNow;
1732	if (hdaGetDirFromSD(uSD) == PDMAUDIODIR_OUT)
1733	{
1734	/* Output streams: Avoid going through the timer here by calling the stream's timer
1735	function directly. Should speed up starting the stream transfers. */
1736	tsNow = hdaR3StreamTimerMain(pDevIns, pThis, pThisCC, pStreamShared, pStreamR3);
1737	}
1738	else
1739	{
1740	/* Input streams: Arm the timer and kick the AIO thread. */
1741	tsNow = PDMDevHlpTimerGet(pDevIns, pStreamShared->hTimer);
1742	pStreamShared->State.tsTransferLast = tsNow; /* for WALCLK */
1743
1744	uint64_t tsTransferNext = tsNow + pStreamShared->State.aSchedule[0].cPeriodTicks;
1745	pStreamShared->State.tsTransferNext = tsTransferNext; /* legacy */
1746	pStreamShared->State.cbCurDmaPeriod = pStreamShared->State.aSchedule[0].cbPeriod;
1747	Log3Func(("[SD%RU8] tsTransferNext=%RU64 (in %RU64)\n",
1748	pStreamShared->u8SD, tsTransferNext, tsTransferNext - tsNow));
1749
1750	int rc = PDMDevHlpTimerSet(pDevIns, pStreamShared->hTimer, tsTransferNext);
1751	AssertRC(rc);
1752
1753	/** @todo we should have a delayed AIO thread kick off, really... */
1754	if (pStreamR3->pMixSink && pStreamR3->pMixSink->pMixSink)
1755	AudioMixerSinkSignalUpdateJob(pStreamR3->pMixSink->pMixSink);
1756	else
1757	AssertFailed();
1758	}
1759	hdaR3StreamMarkStarted(pDevIns, pThis, pStreamShared, tsNow);
1760	}
1761	else
1762	hdaR3StreamMarkStopped(pStreamShared);
1763	}
1764
1765	/* Make sure to leave the lock before (eventually) starting the timer. */
1766	if (pMixSink)
1767	AudioMixerSinkUnlock(pMixSink);
1768	STAM_REL_PROFILE_STOP_NS((fRun ? &pStreamR3->State.StatStart : &pStreamR3->State.StatStop), r);
1769	}
1770	}
1771
1772	if (fNeedVirtualSyncClockLock)
1773	PDMDevHlpTimerUnlockClock(pDevIns, pStreamShared->hTimer); /* Caller will unlock pThis->CritSect. */
1774
1775	return hdaRegWriteU24(pDevIns, pThis, iReg, u32Value);
1776	#else /* !IN_RING3 */
1777	RT_NOREF(pDevIns, pThis, iReg, u32Value);
1778	return VINF_IOM_R3_MMIO_WRITE;
1779	#endif /* !IN_RING3 */
1780	}
1781
1782	static VBOXSTRICTRC hdaRegWriteSDSTS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1783	{
1784	uint32_t v = HDA_REG_IND(pThis, iReg);
1785
1786	/* Clear (zero) FIFOE, DESE and BCIS bits when writing 1 to it (6.2.33). */
1787	HDA_REG_IND(pThis, iReg) &= ~(u32Value & v);
1788
1789	HDA_PROCESS_INTERRUPT(pDevIns, pThis);
1790
1791	return VINF_SUCCESS;
1792	}
1793
1794	static VBOXSTRICTRC hdaRegWriteSDLVI(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1795	{
1796	const size_t idxStream = HDA_SD_NUM_FROM_REG(pThis, LVI, iReg);
1797	AssertReturn(idxStream < RT_ELEMENTS(pThis->aStreams), VERR_INTERNAL_ERROR_3); /* paranoia^2: Bad g_aHdaRegMap. */
1798
1799	ASSERT_GUEST_LOGREL_MSG(u32Value <= UINT8_MAX, /* Should be covered by the register write mask, but just to make sure. */
1800	("LVI for stream #%zu must not be bigger than %RU8\n", idxStream, UINT8_MAX - 1));
1801	return hdaRegWriteU16(pDevIns, pThis, iReg, u32Value);
1802	}
1803
1804	/**
1805	* Calculates the number of bytes of a FIFOW register.
1806	*
1807	* @return Number of bytes of a given FIFOW register.
1808	* @param u16RegFIFOW FIFOW register to convert.
1809	*/
1810	uint8_t hdaSDFIFOWToBytes(uint16_t u16RegFIFOW)
1811	{
1812	uint32_t cb;
1813	switch (u16RegFIFOW)
1814	{
1815	case HDA_SDFIFOW_8B: cb = 8; break;
1816	case HDA_SDFIFOW_16B: cb = 16; break;
1817	case HDA_SDFIFOW_32B: cb = 32; break;
1818	default:
1819	AssertFailedStmt(cb = 32); /* Paranoia. */
1820	break;
1821	}
1822
1823	Assert(RT_IS_POWER_OF_TWO(cb));
1824	return cb;
1825	}
1826
1827	static VBOXSTRICTRC hdaRegWriteSDFIFOW(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1828	{
1829	size_t const idxStream = HDA_SD_NUM_FROM_REG(pThis, FIFOW, iReg);
1830	AssertReturn(idxStream < RT_ELEMENTS(pThis->aStreams), VERR_INTERNAL_ERROR_3); /* paranoia^2: Bad g_aHdaRegMap. */
1831
1832	if (RT_LIKELY(hdaGetDirFromSD((uint8_t)idxStream) == PDMAUDIODIR_IN)) /* FIFOW for input streams only. */
1833	{ /* likely */ }
1834	else
1835	{
1836	#ifndef IN_RING0
1837	LogRel(("HDA: Warning: Guest tried to write read-only FIFOW to output stream #%RU8, ignoring\n", idxStream));
1838	return VINF_SUCCESS;
1839	#else
1840	return VINF_IOM_R3_MMIO_WRITE; /* (Go to ring-3 for release logging.) */
1841	#endif
1842	}
1843
1844	uint16_t u16FIFOW = 0;
1845	switch (u32Value)
1846	{
1847	case HDA_SDFIFOW_8B:
1848	case HDA_SDFIFOW_16B:
1849	case HDA_SDFIFOW_32B:
1850	u16FIFOW = RT_LO_U16(u32Value); /* Only bits 2:0 are used; see ICH-6, 18.2.38. */
1851	break;
1852	default:
1853	ASSERT_GUEST_LOGREL_MSG_FAILED(("Guest tried writing unsupported FIFOW (0x%zx) to stream #%RU8, defaulting to 32 bytes\n",
1854	u32Value, idxStream));
1855	u16FIFOW = HDA_SDFIFOW_32B;
1856	break;
1857	}
1858
1859	pThis->aStreams[idxStream].u8FIFOW = hdaSDFIFOWToBytes(u16FIFOW);
1860	LogFunc(("[SD%zu] Updating FIFOW to %RU8 bytes\n", idxStream, pThis->aStreams[idxStream].u8FIFOW));
1861	return hdaRegWriteU16(pDevIns, pThis, iReg, u16FIFOW);
1862	}
1863
1864	/**
1865	* @note This method could be called for changing value on Output Streams only (ICH6 datasheet 18.2.39).
1866	*/
1867	static VBOXSTRICTRC hdaRegWriteSDFIFOS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
1868	{
1869	uint8_t uSD = HDA_SD_NUM_FROM_REG(pThis, FIFOS, iReg);
1870
1871	ASSERT_GUEST_LOGREL_MSG_RETURN(hdaGetDirFromSD(uSD) == PDMAUDIODIR_OUT, /* FIFOS for output streams only. */
1872	("Guest tried writing read-only FIFOS to input stream #%RU8, ignoring\n", uSD),
1873	VINF_SUCCESS);
1874
1875	uint32_t u32FIFOS;
1876	switch (u32Value)
1877	{
1878	case HDA_SDOFIFO_16B:
1879	case HDA_SDOFIFO_32B:
1880	case HDA_SDOFIFO_64B:
1881	case HDA_SDOFIFO_128B:
1882	case HDA_SDOFIFO_192B:
1883	case HDA_SDOFIFO_256B:
1884	u32FIFOS = u32Value;
1885	break;
1886
1887	default:
1888	ASSERT_GUEST_LOGREL_MSG_FAILED(("Guest tried writing unsupported FIFOS (0x%x) to stream #%RU8, defaulting to 192 bytes\n",
1889	u32Value, uSD));
1890	u32FIFOS = HDA_SDOFIFO_192B;
1891	break;
1892	}
1893
1894	return hdaRegWriteU16(pDevIns, pThis, iReg, u32FIFOS);
1895	}
1896
1897	#ifdef IN_RING3
1898
1899	/**
1900	* Adds an audio output stream to the device setup using the given configuration.
1901	*
1902	* @returns VBox status code.
1903	* @param pThisCC The ring-3 HDA device state.
1904	* @param pCfg Stream configuration to use for adding a stream.
1905	*/
1906	static int hdaR3AddStreamOut(PHDASTATER3 pThisCC, PPDMAUDIOSTREAMCFG pCfg)
1907	{
1908	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
1909
1910	AssertReturn(pCfg->enmDir == PDMAUDIODIR_OUT, VERR_INVALID_PARAMETER);
1911
1912	LogFlowFunc(("Stream=%s\n", pCfg->szName));
1913
1914	int rc = VINF_SUCCESS;
1915
1916	bool fUseFront = true; /* Always use front out by default. */
1917	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
1918	bool fUseRear;
1919	bool fUseCenter;
1920	bool fUseLFE;
1921
1922	fUseRear = fUseCenter = fUseLFE = false;
1923
1924	/*
1925	* Use commonly used setups for speaker configurations.
1926	*/
1927
1928	/** @todo Make the following configurable through mixer API and/or CFGM? */
1929	switch (PDMAudioPropsChannels(&pCfg->Props))
1930	{
1931	case 3: /* 2.1: Front (Stereo) + LFE. */
1932	{
1933	fUseLFE = true;
1934	break;
1935	}
1936
1937	case 4: /* Quadrophonic: Front (Stereo) + Rear (Stereo). */
1938	{
1939	fUseRear = true;
1940	break;
1941	}
1942
1943	case 5: /* 4.1: Front (Stereo) + Rear (Stereo) + LFE. */
1944	{
1945	fUseRear = true;
1946	fUseLFE = true;
1947	break;
1948	}
1949
1950	case 6: /* 5.1: Front (Stereo) + Rear (Stereo) + Center/LFE. */
1951	{
1952	fUseRear = true;
1953	fUseCenter = true;
1954	fUseLFE = true;
1955	break;
1956	}
1957
1958	default: /* Unknown; fall back to 2 front channels (stereo). */
1959	{
1960	rc = VERR_NOT_SUPPORTED;
1961	break;
1962	}
1963	}
1964	# endif /* !VBOX_WITH_AUDIO_HDA_51_SURROUND */
1965
1966	if (rc == VERR_NOT_SUPPORTED)
1967	{
1968	LogRel2(("HDA: Warning: Unsupported channel count (%RU8), falling back to stereo channels (2)\n",
1969	PDMAudioPropsChannels(&pCfg->Props) ));
1970
1971	/* Fall back to 2 channels (see below in fUseFront block). */
1972	rc = VINF_SUCCESS;
1973	}
1974
1975	do
1976	{
1977	if (RT_FAILURE(rc))
1978	break;
1979
1980	if (fUseFront)
1981	{
1982	RTStrPrintf(pCfg->szName, RT_ELEMENTS(pCfg->szName), "Front");
1983
1984	pCfg->enmPath = PDMAUDIOPATH_OUT_FRONT;
1985	/// @todo PDMAudioPropsSetChannels(&pCfg->Props, 2); ?
1986
1987	rc = hdaR3CodecAddStream(&pThisCC->Codec, PDMAUDIOMIXERCTL_FRONT, pCfg);
1988	}
1989
1990	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
1991	if ( RT_SUCCESS(rc)
1992	&& (fUseCenter \|\| fUseLFE))
1993	{
1994	RTStrPrintf(pCfg->szName, RT_ELEMENTS(pCfg->szName), "Center/LFE");
1995
1996	pCfg->enmPath = PDMAUDIOPATH_OUT_CENTER_LFE;
1997	PDMAudioPropsSetChannels(&pCfg->Props, fUseCenter && fUseLFE ? 2 : 1);
1998
1999	rc = hdaR3CodecAddStream(&pThisCC->Codec, PDMAUDIOMIXERCTL_CENTER_LFE, pCfg);
2000	}
2001
2002	if ( RT_SUCCESS(rc)
2003	&& fUseRear)
2004	{
2005	RTStrPrintf(pCfg->szName, RT_ELEMENTS(pCfg->szName), "Rear");
2006
2007	pCfg->enmPath = PDMAUDIOPATH_OUT_REAR;
2008	PDMAudioPropsSetChannels(&pCfg->Props, 2);
2009
2010	rc = hdaR3CodecAddStream(&pThisCC->Codec, PDMAUDIOMIXERCTL_REAR, pCfg);
2011	}
2012	# endif /* VBOX_WITH_AUDIO_HDA_51_SURROUND */
2013
2014	} while (0);
2015
2016	LogFlowFuncLeaveRC(rc);
2017	return rc;
2018	}
2019
2020	/**
2021	* Adds an audio input stream to the device setup using the given configuration.
2022	*
2023	* @returns VBox status code.
2024	* @param pThisCC The ring-3 HDA device state.
2025	* @param pCfg Stream configuration to use for adding a stream.
2026	*/
2027	static int hdaR3AddStreamIn(PHDASTATER3 pThisCC, PPDMAUDIOSTREAMCFG pCfg)
2028	{
2029	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2030
2031	AssertReturn(pCfg->enmDir == PDMAUDIODIR_IN, VERR_INVALID_PARAMETER);
2032
2033	LogFlowFunc(("Stream=%s enmPath=%ld\n", pCfg->szName, pCfg->enmPath));
2034
2035	int rc;
2036	switch (pCfg->enmPath)
2037	{
2038	case PDMAUDIOPATH_IN_LINE:
2039	rc = hdaR3CodecAddStream(&pThisCC->Codec, PDMAUDIOMIXERCTL_LINE_IN, pCfg);
2040	break;
2041	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2042	case PDMAUDIOPATH_IN_MIC:
2043	rc = hdaR3CodecAddStream(&pThisCC->Codec, PDMAUDIOMIXERCTL_MIC_IN, pCfg);
2044	break;
2045	# endif
2046	default:
2047	rc = VERR_NOT_SUPPORTED;
2048	break;
2049	}
2050
2051	LogFlowFuncLeaveRC(rc);
2052	return rc;
2053	}
2054
2055	/**
2056	* Adds an audio stream to the device setup using the given configuration.
2057	*
2058	* @returns VBox status code.
2059	* @param pThisCC The ring-3 HDA device state.
2060	* @param pCfg Stream configuration to use for adding a stream.
2061	*/
2062	static int hdaR3AddStream(PHDASTATER3 pThisCC, PPDMAUDIOSTREAMCFG pCfg)
2063	{
2064	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2065
2066	LogFlowFuncEnter();
2067
2068	int rc;
2069	switch (pCfg->enmDir)
2070	{
2071	case PDMAUDIODIR_OUT:
2072	rc = hdaR3AddStreamOut(pThisCC, pCfg);
2073	break;
2074
2075	case PDMAUDIODIR_IN:
2076	rc = hdaR3AddStreamIn(pThisCC, pCfg);
2077	break;
2078
2079	default:
2080	rc = VERR_NOT_SUPPORTED;
2081	AssertFailed();
2082	break;
2083	}
2084
2085	LogFlowFunc(("Returning %Rrc\n", rc));
2086
2087	return rc;
2088	}
2089
2090	/**
2091	* Removes an audio stream from the device setup using the given configuration.
2092	*
2093	* Used by hdaRegWriteSDCTL().
2094	*
2095	* @returns VBox status code.
2096	* @param pThisCC The ring-3 HDA device state.
2097	* @param pCfg Stream configuration to use for removing a stream.
2098	*/
2099	static int hdaR3RemoveStream(PHDASTATER3 pThisCC, PPDMAUDIOSTREAMCFG pCfg)
2100	{
2101	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2102
2103	int rc = VINF_SUCCESS;
2104
2105	PDMAUDIOMIXERCTL enmMixerCtl = PDMAUDIOMIXERCTL_UNKNOWN;
2106	switch (pCfg->enmDir)
2107	{
2108	case PDMAUDIODIR_IN:
2109	{
2110	LogFlowFunc(("Stream=%s enmPath=%d (src)\n", pCfg->szName, pCfg->enmPath));
2111
2112	switch (pCfg->enmPath)
2113	{
2114	case PDMAUDIOPATH_UNKNOWN: break;
2115	case PDMAUDIOPATH_IN_LINE: enmMixerCtl = PDMAUDIOMIXERCTL_LINE_IN; break;
2116	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2117	case PDMAUDIOPATH_IN_MIC: enmMixerCtl = PDMAUDIOMIXERCTL_MIC_IN; break;
2118	# endif
2119	default:
2120	rc = VERR_NOT_SUPPORTED;
2121	break;
2122	}
2123	break;
2124	}
2125
2126	case PDMAUDIODIR_OUT:
2127	{
2128	LogFlowFunc(("Stream=%s, enmPath=%d (dst)\n", pCfg->szName, pCfg->enmPath));
2129
2130	switch (pCfg->enmPath)
2131	{
2132	case PDMAUDIOPATH_UNKNOWN: break;
2133	case PDMAUDIOPATH_OUT_FRONT: enmMixerCtl = PDMAUDIOMIXERCTL_FRONT; break;
2134	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2135	case PDMAUDIOPATH_OUT_CENTER_LFE: enmMixerCtl = PDMAUDIOMIXERCTL_CENTER_LFE; break;
2136	case PDMAUDIOPATH_OUT_REAR: enmMixerCtl = PDMAUDIOMIXERCTL_REAR; break;
2137	# endif
2138	default:
2139	rc = VERR_NOT_SUPPORTED;
2140	break;
2141	}
2142	break;
2143	}
2144
2145	default:
2146	rc = VERR_NOT_SUPPORTED;
2147	break;
2148	}
2149
2150	if ( RT_SUCCESS(rc)
2151	&& enmMixerCtl != PDMAUDIOMIXERCTL_UNKNOWN)
2152	{
2153	rc = hdaR3CodecRemoveStream(&pThisCC->Codec, enmMixerCtl, false /fImmediate/);
2154	}
2155
2156	LogFlowFuncLeaveRC(rc);
2157	return rc;
2158	}
2159
2160	#endif /* IN_RING3 */
2161
2162	static VBOXSTRICTRC hdaRegWriteSDFMT(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2163	{
2164	#ifdef IN_RING3
2165	PDMAUDIOPCMPROPS Props;
2166	int rc2 = hdaR3SDFMTToPCMProps(RT_LO_U16(u32Value), &Props);
2167	AssertRC(rc2);
2168	LogFunc(("[SD%RU8] Set to %#x (%RU32Hz, %RU8bit, %RU8 channel(s))\n", HDA_SD_NUM_FROM_REG(pThis, FMT, iReg), u32Value,
2169	PDMAudioPropsHz(&Props), PDMAudioPropsSampleBits(&Props), PDMAudioPropsChannels(&Props)));
2170
2171	/*
2172	* Write the wanted stream format into the register in any case.
2173	*
2174	* This is important for e.g. MacOS guests, as those try to initialize streams which are not reported
2175	* by the device emulation (wants 4 channels, only have 2 channels at the moment).
2176	*
2177	* When ignoring those (invalid) formats, this leads to MacOS thinking that the device is malfunctioning
2178	* and therefore disabling the device completely.
2179	*/
2180	return hdaRegWriteU16(pDevIns, pThis, iReg, u32Value);
2181	#else
2182	RT_NOREF(pDevIns, pThis, iReg, u32Value);
2183	return VINF_IOM_R3_MMIO_WRITE;
2184	#endif
2185	}
2186
2187	/**
2188	* Worker for writes to the BDPL and BDPU registers.
2189	*/
2190	DECLINLINE(VBOXSTRICTRC) hdaRegWriteSDBDPX(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value, uint8_t uSD)
2191	{
2192	RT_NOREF(uSD);
2193	return hdaRegWriteU32(pDevIns, pThis, iReg, u32Value);
2194	}
2195
2196	static VBOXSTRICTRC hdaRegWriteSDBDPL(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2197	{
2198	return hdaRegWriteSDBDPX(pDevIns, pThis, iReg, u32Value, HDA_SD_NUM_FROM_REG(pThis, BDPL, iReg));
2199	}
2200
2201	static VBOXSTRICTRC hdaRegWriteSDBDPU(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2202	{
2203	return hdaRegWriteSDBDPX(pDevIns, pThis, iReg, u32Value, HDA_SD_NUM_FROM_REG(pThis, BDPU, iReg));
2204	}
2205
2206	/** Skylake specific. */
2207	static VBOXSTRICTRC hdaRegReadSDnPIB(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
2208	{
2209	uint8_t const uSD = HDA_SD_NUM_FROM_SKYLAKE_REG(DPIB, iReg);
2210	LogFlowFunc(("uSD=%u -> SDnLPIB\n", uSD));
2211	return hdaRegReadLPIB(pDevIns, pThis, HDA_SD_TO_REG(LPIB, uSD), pu32Value);
2212	}
2213
2214	/** Skylake specific. */
2215	static VBOXSTRICTRC hdaRegReadSDnEFIFOS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
2216	{
2217	/** @todo This is not implemented as I have found no specs yet. */
2218	RT_NOREF(pDevIns, pThis, iReg);
2219	LogFunc(("TODO - need register spec: uSD=%u\n", HDA_SD_NUM_FROM_SKYLAKE_REG(DPIB, iReg)));
2220	*pu32Value = 256;
2221	return VINF_SUCCESS;
2222	}
2223
2224
2225	static VBOXSTRICTRC hdaRegReadIRS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t *pu32Value)
2226	{
2227	/* regarding 3.4.3 we should mark IRS as busy in case CORB is active */
2228	if ( HDA_REG(pThis, CORBWP) != HDA_REG(pThis, CORBRP)
2229	\|\| (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA))
2230	HDA_REG(pThis, IRS) = HDA_IRS_ICB; /* busy */
2231
2232	return hdaRegReadU32(pDevIns, pThis, iReg, pu32Value);
2233	}
2234
2235	static VBOXSTRICTRC hdaRegWriteIRS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2236	{
2237	RT_NOREF(pDevIns, iReg);
2238
2239	/*
2240	* If the guest set the ICB bit of IRS register, HDA should process the verb in IC register,
2241	* write the response to IR register, and set the IRV (valid in case of success) bit of IRS register.
2242	*/
2243	if ( (u32Value & HDA_IRS_ICB)
2244	&& !(HDA_REG(pThis, IRS) & HDA_IRS_ICB))
2245	{
2246	#ifdef IN_RING3
2247	uint32_t uCmd = HDA_REG(pThis, IC);
2248
2249	if (HDA_REG(pThis, CORBWP) != HDA_REG(pThis, CORBRP))
2250	{
2251	/*
2252	* 3.4.3: Defines behavior of immediate Command status register.
2253	*/
2254	LogRel(("HDA: Guest attempted process immediate verb (%x) with active CORB\n", uCmd));
2255	return VINF_SUCCESS;
2256	}
2257
2258	HDA_REG(pThis, IRS) = HDA_IRS_ICB; /* busy */
2259
2260	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
2261	uint64_t uResp = 0;
2262	int rc2 = hdaR3CodecLookup(&pThisCC->Codec, HDA_CODEC_CMD(uCmd, 0 /* LUN */), &uResp);
2263	if (RT_FAILURE(rc2))
2264	LogFunc(("Codec lookup failed with rc2=%Rrc\n", rc2));
2265
2266	HDA_REG(pThis, IR) = (uint32_t)uResp; /** @todo r=andy Do we need a 64-bit response? */
2267	HDA_REG(pThis, IRS) = HDA_IRS_IRV; /* result is ready */
2268	/** @todo r=michaln We just set the IRS value, why are we clearing unset bits? */
2269	HDA_REG(pThis, IRS) &= ~HDA_IRS_ICB; /* busy is clear */
2270
2271	return VINF_SUCCESS;
2272	#else /* !IN_RING3 */
2273	return VINF_IOM_R3_MMIO_WRITE;
2274	#endif /* !IN_RING3 */
2275	}
2276
2277	/*
2278	* Once the guest read the response, it should clear the IRV bit of the IRS register.
2279	*/
2280	HDA_REG(pThis, IRS) &= ~(u32Value & HDA_IRS_IRV);
2281	return VINF_SUCCESS;
2282	}
2283
2284	static VBOXSTRICTRC hdaRegWriteRIRBWP(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2285	{
2286	RT_NOREF(pDevIns, iReg);
2287
2288	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* Ignore request if CORB DMA engine is (still) running. */
2289	LogFunc(("CORB DMA (still) running, skipping\n"));
2290	else
2291	{
2292	if (u32Value & HDA_RIRBWP_RST)
2293	{
2294	/* Do a RIRB reset. */
2295	if (pThis->cbRirbBuf)
2296	RT_ZERO(pThis->au64RirbBuf);
2297
2298	LogRel2(("HDA: RIRB reset\n"));
2299
2300	HDA_REG(pThis, RIRBWP) = 0;
2301	}
2302	/* The remaining bits are O, see 6.2.22. */
2303	}
2304	return VINF_SUCCESS;
2305	}
2306
2307	static VBOXSTRICTRC hdaRegWriteRINTCNT(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2308	{
2309	RT_NOREF(pDevIns);
2310	if (HDA_REG(pThis, CORBCTL) & HDA_CORBCTL_DMA) /* Ignore request if CORB DMA engine is (still) running. */
2311	{
2312	LogFunc(("CORB DMA is (still) running, skipping\n"));
2313	return VINF_SUCCESS;
2314	}
2315
2316	VBOXSTRICTRC rc = hdaRegWriteU16(pDevIns, pThis, iReg, u32Value);
2317	AssertRC(VBOXSTRICTRC_VAL(rc));
2318
2319	/** @todo r=bird: Shouldn't we make sure the HDASTATE::u16RespIntCnt is below
2320	* the new RINTCNT value? Or alterantively, make the DMA look take
2321	* this into account instead... I'll do the later for now. */
2322
2323	LogFunc(("Response interrupt count is now %RU8\n", HDA_REG(pThis, RINTCNT) & 0xFF));
2324	return rc;
2325	}
2326
2327	static VBOXSTRICTRC hdaRegWriteBase(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2328	{
2329	RT_NOREF(pDevIns);
2330
2331	VBOXSTRICTRC rc = hdaRegWriteU32(pDevIns, pThis, iReg, u32Value);
2332	AssertRCSuccess(VBOXSTRICTRC_VAL(rc));
2333
2334	uint32_t const iRegMem = g_aHdaRegMap[iReg].idxReg;
2335	switch (iReg)
2336	{
2337	case HDA_REG_CORBLBASE:
2338	pThis->u64CORBBase &= UINT64_C(0xFFFFFFFF00000000);
2339	pThis->u64CORBBase \|= pThis->au32Regs[iRegMem];
2340	break;
2341	case HDA_REG_CORBUBASE:
2342	pThis->u64CORBBase &= UINT64_C(0x00000000FFFFFFFF);
2343	pThis->u64CORBBase \|= (uint64_t)pThis->au32Regs[iRegMem] << 32;
2344	break;
2345	case HDA_REG_RIRBLBASE:
2346	pThis->u64RIRBBase &= UINT64_C(0xFFFFFFFF00000000);
2347	pThis->u64RIRBBase \|= pThis->au32Regs[iRegMem];
2348	break;
2349	case HDA_REG_RIRBUBASE:
2350	pThis->u64RIRBBase &= UINT64_C(0x00000000FFFFFFFF);
2351	pThis->u64RIRBBase \|= (uint64_t)pThis->au32Regs[iRegMem] << 32;
2352	break;
2353	case HDA_REG_DPLBASE:
2354	pThis->u64DPBase = pThis->au32Regs[iRegMem] & DPBASE_ADDR_MASK;
2355	Assert(pThis->u64DPBase % 128 == 0); /* Must be 128-byte aligned. */
2356
2357	/* Also make sure to handle the DMA position enable bit. */
2358	pThis->fDMAPosition = pThis->au32Regs[iRegMem] & RT_BIT_32(0);
2359
2360	#ifndef IN_RING0
2361	LogRel(("HDA: DP base (lower) set: %#RGp\n", pThis->u64DPBase));
2362	LogRel(("HDA: DMA position buffer is %s\n", pThis->fDMAPosition ? "enabled" : "disabled"));
2363	#else
2364	return VINF_IOM_R3_MMIO_WRITE; /* (Go to ring-3 for release logging.) */
2365	#endif
2366	break;
2367	case HDA_REG_DPUBASE:
2368	pThis->u64DPBase = RT_MAKE_U64(RT_LO_U32(pThis->u64DPBase) & DPBASE_ADDR_MASK, pThis->au32Regs[iRegMem]);
2369	#ifndef IN_RING0
2370	LogRel(("HDA: DP base (upper) set: %#RGp\n", pThis->u64DPBase));
2371	#else
2372	return VINF_IOM_R3_MMIO_WRITE; /* (Go to ring-3 for release logging.) */
2373	#endif
2374	break;
2375	default:
2376	AssertMsgFailed(("Invalid index\n"));
2377	break;
2378	}
2379
2380	LogFunc(("CORB base:%llx RIRB base: %llx DP base: %llx\n",
2381	pThis->u64CORBBase, pThis->u64RIRBBase, pThis->u64DPBase));
2382	return rc;
2383	}
2384
2385	static VBOXSTRICTRC hdaRegWriteRIRBSTS(PPDMDEVINS pDevIns, PHDASTATE pThis, uint32_t iReg, uint32_t u32Value)
2386	{
2387	RT_NOREF(pDevIns, iReg);
2388
2389	uint8_t v = HDA_REG(pThis, RIRBSTS);
2390	HDA_REG(pThis, RIRBSTS) &= ~(v & u32Value);
2391
2392	HDA_PROCESS_INTERRUPT(pDevIns, pThis);
2393	return VINF_SUCCESS;
2394	}
2395
2396	#ifdef IN_RING3
2397
2398	/**
2399	* Retrieves a corresponding sink for a given mixer control.
2400	*
2401	* @return Pointer to the sink, NULL if no sink is found.
2402	* @param pThisCC The ring-3 HDA device state.
2403	* @param enmMixerCtl Mixer control to get the corresponding sink for.
2404	*/
2405	static PHDAMIXERSINK hdaR3MixerControlToSink(PHDASTATER3 pThisCC, PDMAUDIOMIXERCTL enmMixerCtl)
2406	{
2407	PHDAMIXERSINK pSink;
2408
2409	switch (enmMixerCtl)
2410	{
2411	case PDMAUDIOMIXERCTL_VOLUME_MASTER:
2412	/* Fall through is intentional. */
2413	case PDMAUDIOMIXERCTL_FRONT:
2414	pSink = &pThisCC->SinkFront;
2415	break;
2416	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2417	case PDMAUDIOMIXERCTL_CENTER_LFE:
2418	pSink = &pThisCC->SinkCenterLFE;
2419	break;
2420	case PDMAUDIOMIXERCTL_REAR:
2421	pSink = &pThisCC->SinkRear;
2422	break;
2423	# endif
2424	case PDMAUDIOMIXERCTL_LINE_IN:
2425	pSink = &pThisCC->SinkLineIn;
2426	break;
2427	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2428	case PDMAUDIOMIXERCTL_MIC_IN:
2429	pSink = &pThisCC->SinkMicIn;
2430	break;
2431	# endif
2432	default:
2433	AssertMsgFailed(("Unhandled mixer control\n"));
2434	pSink = NULL;
2435	break;
2436	}
2437
2438	return pSink;
2439	}
2440
2441	/**
2442	* Adds a specific HDA driver to the driver chain.
2443	*
2444	* @returns VBox status code.
2445	* @param pDevIns The HDA device instance.
2446	* @param pThisCC The ring-3 HDA device state.
2447	* @param pDrv HDA driver to add.
2448	*/
2449	static int hdaR3MixerAddDrv(PPDMDEVINS pDevIns, PHDASTATER3 pThisCC, PHDADRIVER pDrv)
2450	{
2451	int rc = VINF_SUCCESS;
2452
2453	PHDASTREAM pStream = pThisCC->SinkLineIn.pStreamShared;
2454	if ( pStream
2455	&& AudioHlpStreamCfgIsValid(&pStream->State.Cfg))
2456	{
2457	int rc2 = hdaR3MixerAddDrvStream(pDevIns, pThisCC->SinkLineIn.pMixSink, &pStream->State.Cfg, pDrv);
2458	if (RT_SUCCESS(rc))
2459	rc = rc2;
2460	}
2461
2462	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2463	pStream = pThisCC->SinkMicIn.pStreamShared;
2464	if ( pStream
2465	&& AudioHlpStreamCfgIsValid(&pStream->State.Cfg))
2466	{
2467	int rc2 = hdaR3MixerAddDrvStream(pDevIns, pThisCC->SinkMicIn.pMixSink, &pStream->State.Cfg, pDrv);
2468	if (RT_SUCCESS(rc))
2469	rc = rc2;
2470	}
2471	# endif
2472
2473	pStream = pThisCC->SinkFront.pStreamShared;
2474	if ( pStream
2475	&& AudioHlpStreamCfgIsValid(&pStream->State.Cfg))
2476	{
2477	int rc2 = hdaR3MixerAddDrvStream(pDevIns, pThisCC->SinkFront.pMixSink, &pStream->State.Cfg, pDrv);
2478	if (RT_SUCCESS(rc))
2479	rc = rc2;
2480	}
2481
2482	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2483	pStream = pThisCC->SinkCenterLFE.pStreamShared;
2484	if ( pStream
2485	&& AudioHlpStreamCfgIsValid(&pStream->State.Cfg))
2486	{
2487	int rc2 = hdaR3MixerAddDrvStream(pDevIns, pThisCC->SinkCenterLFE.pMixSink, &pStream->State.Cfg, pDrv);
2488	if (RT_SUCCESS(rc))
2489	rc = rc2;
2490	}
2491
2492	pStream = pThisCC->SinkRear.pStreamShared;
2493	if ( pStream
2494	&& AudioHlpStreamCfgIsValid(&pStream->State.Cfg))
2495	{
2496	int rc2 = hdaR3MixerAddDrvStream(pDevIns, pThisCC->SinkRear.pMixSink, &pStream->State.Cfg, pDrv);
2497	if (RT_SUCCESS(rc))
2498	rc = rc2;
2499	}
2500	# endif
2501
2502	return rc;
2503	}
2504
2505	/**
2506	* Removes a specific HDA driver from the driver chain and destroys its
2507	* associated streams.
2508	*
2509	* @param pDevIns The device instance.
2510	* @param pThisCC The ring-3 HDA device state.
2511	* @param pDrv HDA driver to remove.
2512	*/
2513	static void hdaR3MixerRemoveDrv(PPDMDEVINS pDevIns, PHDASTATER3 pThisCC, PHDADRIVER pDrv)
2514	{
2515	AssertPtrReturnVoid(pDrv);
2516
2517	if (pDrv->LineIn.pMixStrm)
2518	{
2519	AudioMixerSinkRemoveStream(pThisCC->SinkLineIn.pMixSink, pDrv->LineIn.pMixStrm);
2520	AudioMixerStreamDestroy(pDrv->LineIn.pMixStrm, pDevIns, true /fImmediate/);
2521	pDrv->LineIn.pMixStrm = NULL;
2522	}
2523
2524	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2525	if (pDrv->MicIn.pMixStrm)
2526	{
2527	AudioMixerSinkRemoveStream(pThisCC->SinkMicIn.pMixSink, pDrv->MicIn.pMixStrm);
2528	AudioMixerStreamDestroy(pDrv->MicIn.pMixStrm, pDevIns, true /fImmediate/);
2529	pDrv->MicIn.pMixStrm = NULL;
2530	}
2531	# endif
2532
2533	if (pDrv->Front.pMixStrm)
2534	{
2535	AudioMixerSinkRemoveStream(pThisCC->SinkFront.pMixSink, pDrv->Front.pMixStrm);
2536	AudioMixerStreamDestroy(pDrv->Front.pMixStrm, pDevIns, true /fImmediate/);
2537	pDrv->Front.pMixStrm = NULL;
2538	}
2539
2540	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2541	if (pDrv->CenterLFE.pMixStrm)
2542	{
2543	AudioMixerSinkRemoveStream(pThisCC->SinkCenterLFE.pMixSink, pDrv->CenterLFE.pMixStrm);
2544	AudioMixerStreamDestroy(pDrv->CenterLFE.pMixStrm, pDevIns, true /fImmediate/);
2545	pDrv->CenterLFE.pMixStrm = NULL;
2546	}
2547
2548	if (pDrv->Rear.pMixStrm)
2549	{
2550	AudioMixerSinkRemoveStream(pThisCC->SinkRear.pMixSink, pDrv->Rear.pMixStrm);
2551	AudioMixerStreamDestroy(pDrv->Rear.pMixStrm, pDevIns, true /fImmediate/);
2552	pDrv->Rear.pMixStrm = NULL;
2553	}
2554	# endif
2555
2556	RTListNodeRemove(&pDrv->Node);
2557	}
2558
2559	/**
2560	* Adds a driver stream to a specific mixer sink.
2561	*
2562	* @returns VBox status code (ignored by caller).
2563	* @param pDevIns The HDA device instance.
2564	* @param pMixSink Audio mixer sink to add audio streams to.
2565	* @param pCfg Audio stream configuration to use for the audio
2566	* streams to add.
2567	* @param pDrv Driver stream to add.
2568	*/
2569	static int hdaR3MixerAddDrvStream(PPDMDEVINS pDevIns, PAUDMIXSINK pMixSink, PCPDMAUDIOSTREAMCFG pCfg, PHDADRIVER pDrv)
2570	{
2571	AssertPtrReturn(pMixSink, VERR_INVALID_POINTER);
2572	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2573
2574	LogFunc(("szSink=%s, szStream=%s, cChannels=%RU8\n", pMixSink->pszName, pCfg->szName, PDMAudioPropsChannels(&pCfg->Props)));
2575
2576	/*
2577	* Get the matching stream driver.
2578	*/
2579	PHDADRIVERSTREAM pDrvStream = NULL;
2580	if (pCfg->enmDir == PDMAUDIODIR_IN)
2581	{
2582	LogFunc(("enmPath=%d (src)\n", pCfg->enmPath));
2583	switch (pCfg->enmPath)
2584	{
2585	case PDMAUDIOPATH_IN_LINE:
2586	pDrvStream = &pDrv->LineIn;
2587	break;
2588	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2589	case PDMAUDIOPATH_IN_MIC:
2590	pDrvStream = &pDrv->MicIn;
2591	break;
2592	# endif
2593	default:
2594	LogFunc(("returns VERR_NOT_SUPPORTED - enmPath=%d\n", pCfg->enmPath));
2595	return VERR_NOT_SUPPORTED;
2596	}
2597	}
2598	else if (pCfg->enmDir == PDMAUDIODIR_OUT)
2599	{
2600	LogFunc(("enmDst=%d %s (dst)\n", pCfg->enmPath, PDMAudioPathGetName(pCfg->enmPath)));
2601	switch (pCfg->enmPath)
2602	{
2603	case PDMAUDIOPATH_OUT_FRONT:
2604	pDrvStream = &pDrv->Front;
2605	break;
2606	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2607	case PDMAUDIOPATH_OUT_CENTER_LFE:
2608	pDrvStream = &pDrv->CenterLFE;
2609	break;
2610	case PDMAUDIOPATH_OUT_REAR:
2611	pDrvStream = &pDrv->Rear;
2612	break;
2613	# endif
2614	default:
2615	LogFunc(("returns VERR_NOT_SUPPORTED - enmPath=%d %s\n", pCfg->enmPath, PDMAudioPathGetName(pCfg->enmPath)));
2616	return VERR_NOT_SUPPORTED;
2617	}
2618	}
2619	else
2620	AssertFailedReturn(VERR_NOT_SUPPORTED);
2621
2622	LogFunc(("[LUN#%RU8] %s\n", pDrv->uLUN, pCfg->szName));
2623
2624	AssertPtr(pDrvStream);
2625	AssertMsg(pDrvStream->pMixStrm == NULL, ("[LUN#%RU8] Driver stream already present when it must not\n", pDrv->uLUN));
2626
2627	PAUDMIXSTREAM pMixStrm = NULL;
2628	int rc = AudioMixerSinkCreateStream(pMixSink, pDrv->pConnector, pCfg, pDevIns, &pMixStrm);
2629	LogFlowFunc(("LUN#%RU8: Created stream \"%s\" for sink, rc=%Rrc\n", pDrv->uLUN, pCfg->szName, rc));
2630	if (RT_SUCCESS(rc))
2631	{
2632	rc = AudioMixerSinkAddStream(pMixSink, pMixStrm);
2633	LogFlowFunc(("LUN#%RU8: Added stream \"%s\" to sink, rc=%Rrc\n", pDrv->uLUN, pCfg->szName, rc));
2634	if (RT_FAILURE(rc))
2635	AudioMixerStreamDestroy(pMixStrm, pDevIns, true /fImmediate/);
2636	}
2637
2638	if (RT_SUCCESS(rc))
2639	pDrvStream->pMixStrm = pMixStrm;
2640
2641	LogFlowFuncLeaveRC(rc);
2642	return rc;
2643	}
2644
2645	/**
2646	* Adds all current driver streams to a specific mixer sink.
2647	*
2648	* @returns VBox status code.
2649	* @param pDevIns The HDA device instance.
2650	* @param pThisCC The ring-3 HDA device state.
2651	* @param pMixSink Audio mixer sink to add stream to.
2652	* @param pCfg Audio stream configuration to use for the audio streams
2653	* to add.
2654	*/
2655	static int hdaR3MixerAddDrvStreams(PPDMDEVINS pDevIns, PHDASTATER3 pThisCC, PAUDMIXSINK pMixSink, PCPDMAUDIOSTREAMCFG pCfg)
2656	{
2657	AssertPtrReturn(pMixSink, VERR_INVALID_POINTER);
2658	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2659
2660	LogFunc(("Sink=%s, Stream=%s\n", pMixSink->pszName, pCfg->szName));
2661
2662	int rc;
2663	if (AudioHlpStreamCfgIsValid(pCfg))
2664	{
2665	rc = AudioMixerSinkSetFormat(pMixSink, &pCfg->Props, pCfg->Device.cMsSchedulingHint);
2666	if (RT_SUCCESS(rc))
2667	{
2668	PHDADRIVER pDrv;
2669	RTListForEach(&pThisCC->lstDrv, pDrv, HDADRIVER, Node)
2670	{
2671	/* We ignore failures here because one non-working driver shouldn't
2672	be allowed to spoil it for everyone else. */
2673	int rc2 = hdaR3MixerAddDrvStream(pDevIns, pMixSink, pCfg, pDrv);
2674	if (RT_FAILURE(rc2))
2675	LogFunc(("Attaching stream failed with %Rrc (ignored)\n", rc2));
2676	}
2677	}
2678	}
2679	else
2680	rc = VERR_INVALID_PARAMETER;
2681	return rc;
2682	}
2683
2684
2685	/**
2686	* Adds a new audio stream to a specific mixer control.
2687	*
2688	* Depending on the mixer control the stream then gets assigned to one of the
2689	* internal mixer sinks, which in turn then handle the mixing of all connected
2690	* streams to that sink.
2691	*
2692	* @return VBox status code.
2693	* @param pCodec The codec instance data.
2694	* @param enmMixerCtl Mixer control to assign new stream to.
2695	* @param pCfg Stream configuration for the new stream.
2696	*/
2697	DECLHIDDEN(int) hdaR3MixerAddStream(PHDACODECR3 pCodec, PDMAUDIOMIXERCTL enmMixerCtl, PCPDMAUDIOSTREAMCFG pCfg)
2698	{
2699	PHDASTATER3 pThisCC = RT_FROM_MEMBER(pCodec, HDASTATER3, Codec);
2700	AssertPtrReturn(pCfg, VERR_INVALID_POINTER);
2701
2702	int rc;
2703	PHDAMIXERSINK pSink = hdaR3MixerControlToSink(pThisCC, enmMixerCtl);
2704	if (pSink)
2705	{
2706	rc = hdaR3MixerAddDrvStreams(pThisCC->pDevIns, pThisCC, pSink->pMixSink, pCfg);
2707
2708	AssertPtr(pSink->pMixSink);
2709	LogFlowFunc(("Sink=%s, Mixer control=%s\n", pSink->pMixSink->pszName, PDMAudioMixerCtlGetName(enmMixerCtl)));
2710	}
2711	else
2712	rc = VERR_NOT_FOUND;
2713
2714	LogFlowFuncLeaveRC(rc);
2715	return rc;
2716	}
2717
2718	/**
2719	* Removes a specified mixer control from the HDA's mixer.
2720	*
2721	* @return VBox status code.
2722	* @param pCodec The codec instance data.
2723	* @param enmMixerCtl Mixer control to remove.
2724	* @param fImmediate Whether the backend should be allowed to
2725	* finished draining (@c false) or if it must be
2726	* destroyed immediately (@c true).
2727	*/
2728	DECLHIDDEN(int) hdaR3MixerRemoveStream(PHDACODECR3 pCodec, PDMAUDIOMIXERCTL enmMixerCtl, bool fImmediate)
2729	{
2730	PHDASTATER3 pThisCC = RT_FROM_MEMBER(pCodec, HDASTATER3, Codec);
2731	int rc;
2732
2733	PHDAMIXERSINK pSink = hdaR3MixerControlToSink(pThisCC, enmMixerCtl);
2734	if (pSink)
2735	{
2736	PHDADRIVER pDrv;
2737	RTListForEach(&pThisCC->lstDrv, pDrv, HDADRIVER, Node)
2738	{
2739	PAUDMIXSTREAM pMixStream = NULL;
2740	switch (enmMixerCtl)
2741	{
2742	/*
2743	* Input.
2744	*/
2745	case PDMAUDIOMIXERCTL_LINE_IN:
2746	pMixStream = pDrv->LineIn.pMixStrm;
2747	pDrv->LineIn.pMixStrm = NULL;
2748	break;
2749	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
2750	case PDMAUDIOMIXERCTL_MIC_IN:
2751	pMixStream = pDrv->MicIn.pMixStrm;
2752	pDrv->MicIn.pMixStrm = NULL;
2753	break;
2754	# endif
2755	/*
2756	* Output.
2757	*/
2758	case PDMAUDIOMIXERCTL_FRONT:
2759	pMixStream = pDrv->Front.pMixStrm;
2760	pDrv->Front.pMixStrm = NULL;
2761	break;
2762	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
2763	case PDMAUDIOMIXERCTL_CENTER_LFE:
2764	pMixStream = pDrv->CenterLFE.pMixStrm;
2765	pDrv->CenterLFE.pMixStrm = NULL;
2766	break;
2767	case PDMAUDIOMIXERCTL_REAR:
2768	pMixStream = pDrv->Rear.pMixStrm;
2769	pDrv->Rear.pMixStrm = NULL;
2770	break;
2771	# endif
2772	default:
2773	AssertMsgFailed(("Mixer control %d not implemented\n", enmMixerCtl));
2774	break;
2775	}
2776
2777	if (pMixStream)
2778	{
2779	AudioMixerSinkRemoveStream(pSink->pMixSink, pMixStream);
2780	AudioMixerStreamDestroy(pMixStream, pThisCC->pDevIns, fImmediate);
2781
2782	pMixStream = NULL;
2783	}
2784	}
2785
2786	AudioMixerSinkRemoveAllStreams(pSink->pMixSink);
2787	rc = VINF_SUCCESS;
2788	}
2789	else
2790	rc = VERR_NOT_FOUND;
2791
2792	LogFunc(("Mixer control=%s, rc=%Rrc\n", PDMAudioMixerCtlGetName(enmMixerCtl), rc));
2793	return rc;
2794	}
2795
2796	/**
2797	* Controls an input / output converter widget, that is, which converter is
2798	* connected to which stream (and channel).
2799	*
2800	* @return VBox status code.
2801	* @param pCodec The codec instance data.
2802	* @param enmMixerCtl Mixer control to set SD stream number and channel for.
2803	* @param uSD SD stream number (number + 1) to set. Set to 0 for unassign.
2804	* @param uChannel Channel to set. Only valid if a valid SD stream number is specified.
2805	*
2806	* @note Is also called directly by the DevHDA code.
2807	*/
2808	DECLHIDDEN(int) hdaR3MixerControl(PHDACODECR3 pCodec, PDMAUDIOMIXERCTL enmMixerCtl, uint8_t uSD, uint8_t uChannel)
2809	{
2810	PHDASTATER3 pThisCC = RT_FROM_MEMBER(pCodec, HDASTATER3, Codec);
2811	PPDMDEVINS pDevIns = pThisCC->pDevIns;
2812	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
2813	LogFunc(("enmMixerCtl=%s, uSD=%RU8, uChannel=%RU8\n", PDMAudioMixerCtlGetName(enmMixerCtl), uSD, uChannel));
2814
2815	if (uSD == 0) /* Stream number 0 is reserved. */
2816	{
2817	Log2Func(("Invalid SDn (%RU8) number for mixer control '%s', ignoring\n", uSD, PDMAudioMixerCtlGetName(enmMixerCtl)));
2818	return VINF_SUCCESS;
2819	}
2820	/* uChannel is optional. */
2821
2822	/* SDn0 starts as 1. */
2823	Assert(uSD);
2824	uSD--;
2825
2826	# ifndef VBOX_WITH_AUDIO_HDA_MIC_IN
2827	/* Only SDI0 (Line-In) is supported. */
2828	if ( hdaGetDirFromSD(uSD) == PDMAUDIODIR_IN
2829	&& uSD >= 1)
2830	{
2831	LogRel2(("HDA: Dedicated Mic-In support not imlpemented / built-in (stream #%RU8), using Line-In (stream #0) instead\n", uSD));
2832	uSD = 0;
2833	}
2834	# endif
2835
2836	int rc = VINF_SUCCESS;
2837
2838	PHDAMIXERSINK pSink = hdaR3MixerControlToSink(pThisCC, enmMixerCtl);
2839	if (pSink)
2840	{
2841	AssertPtr(pSink->pMixSink);
2842
2843	/* If this an output stream, determine the correct SD#. */
2844	if ( uSD < HDA_MAX_SDI
2845	&& AudioMixerSinkGetDir(pSink->pMixSink) == PDMAUDIODIR_OUT)
2846	uSD += HDA_MAX_SDI;
2847
2848	/* Make 100% sure we got a good stream number before continuing. */
2849	AssertLogRelReturn(uSD < RT_ELEMENTS(pThisCC->aStreams), VERR_NOT_IMPLEMENTED);
2850
2851	/* Detach the existing stream from the sink. */
2852	PHDASTREAM const pOldStreamShared = pSink->pStreamShared;
2853	PHDASTREAMR3 const pOldStreamR3 = pSink->pStreamR3;
2854	if ( pOldStreamShared
2855	&& pOldStreamR3
2856	&& ( pOldStreamShared->u8SD != uSD
2857	\|\| pOldStreamShared->u8Channel != uChannel)
2858	)
2859	{
2860	LogFunc(("Sink '%s' was assigned to stream #%RU8 (channel %RU8) before\n",
2861	pSink->pMixSink->pszName, pOldStreamShared->u8SD, pOldStreamShared->u8Channel));
2862	Assert(PDMDevHlpCritSectIsOwner(pDevIns, &pThis->CritSect));
2863
2864	/* Only disable the stream if the stream descriptor # has changed. */
2865	if (pOldStreamShared->u8SD != uSD)
2866	hdaR3StreamEnable(pThis, pOldStreamShared, pOldStreamR3, false /fEnable/);
2867
2868	if (pOldStreamR3->State.pAioRegSink)
2869	{
2870	AudioMixerSinkRemoveUpdateJob(pOldStreamR3->State.pAioRegSink, hdaR3StreamUpdateAsyncIoJob, pOldStreamR3);
2871	pOldStreamR3->State.pAioRegSink = NULL;
2872	}
2873
2874	pOldStreamR3->pMixSink = NULL;
2875
2876
2877	pSink->pStreamShared = NULL;
2878	pSink->pStreamR3 = NULL;
2879	}
2880
2881	/* Attach the new stream to the sink.
2882	* Enabling the stream will be done by the guest via a separate SDnCTL call then. */
2883	if (pSink->pStreamShared == NULL)
2884	{
2885	LogRel2(("HDA: Setting sink '%s' to stream #%RU8 (channel %RU8), mixer control=%s\n",
2886	pSink->pMixSink->pszName, uSD, uChannel, PDMAudioMixerCtlGetName(enmMixerCtl)));
2887
2888	PHDASTREAMR3 pStreamR3 = &pThisCC->aStreams[uSD];
2889	PHDASTREAM pStreamShared = &pThis->aStreams[uSD];
2890	Assert(PDMDevHlpCritSectIsOwner(pDevIns, &pThis->CritSect));
2891
2892	pSink->pStreamR3 = pStreamR3;
2893	pSink->pStreamShared = pStreamShared;
2894
2895	pStreamShared->u8Channel = uChannel;
2896	pStreamR3->pMixSink = pSink;
2897
2898	rc = VINF_SUCCESS;
2899	}
2900	}
2901	else
2902	rc = VERR_NOT_FOUND;
2903
2904	if (RT_FAILURE(rc))
2905	LogRel(("HDA: Converter control for stream #%RU8 (channel %RU8) / mixer control '%s' failed with %Rrc, skipping\n",
2906	uSD, uChannel, PDMAudioMixerCtlGetName(enmMixerCtl), rc));
2907
2908	LogFlowFuncLeaveRC(rc);
2909	return rc;
2910	}
2911
2912	/**
2913	* Sets the volume of a specified mixer control.
2914	*
2915	* @return IPRT status code.
2916	* @param pCodec The codec instance data.
2917	* @param enmMixerCtl Mixer control to set volume for.
2918	* @param pVol Pointer to volume data to set.
2919	*/
2920	DECLHIDDEN(int) hdaR3MixerSetVolume(PHDACODECR3 pCodec, PDMAUDIOMIXERCTL enmMixerCtl, PPDMAUDIOVOLUME pVol)
2921	{
2922	PHDASTATER3 pThisCC = RT_FROM_MEMBER(pCodec, HDASTATER3, Codec);
2923	int rc;
2924
2925	PHDAMIXERSINK pSink = hdaR3MixerControlToSink(pThisCC, enmMixerCtl);
2926	if ( pSink
2927	&& pSink->pMixSink)
2928	{
2929	LogRel2(("HDA: Setting volume for mixer sink '%s' to fMuted=%RTbool auChannels=%.*Rhxs\n",
2930	pSink->pMixSink->pszName, pVol->fMuted, sizeof(pVol->auChannels), pVol->auChannels));
2931
2932	/* Set the volume.
2933	* We assume that the codec already converted it to the correct range. */
2934	rc = AudioMixerSinkSetVolume(pSink->pMixSink, pVol);
2935	}
2936	else
2937	rc = VERR_NOT_FOUND;
2938
2939	LogFlowFuncLeaveRC(rc);
2940	return rc;
2941	}
2942
2943	/**
2944	* @callback_method_impl{FNTMTIMERDEV, Main routine for the stream's timer.}
2945	*/
2946	static DECLCALLBACK(void) hdaR3Timer(PPDMDEVINS pDevIns, TMTIMERHANDLE hTimer, void *pvUser)
2947	{
2948	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
2949	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
2950	uintptr_t idxStream = (uintptr_t)pvUser;
2951	AssertReturnVoid(idxStream < RT_ELEMENTS(pThis->aStreams));
2952	PHDASTREAM pStreamShared = &pThis->aStreams[idxStream];
2953	PHDASTREAMR3 pStreamR3 = &pThisCC->aStreams[idxStream];
2954	Assert(hTimer == pStreamShared->hTimer);
2955
2956	Assert(PDMDevHlpCritSectIsOwner(pDevIns, &pThis->CritSect));
2957	Assert(PDMDevHlpTimerIsLockOwner(pDevIns, hTimer));
2958
2959	RT_NOREF(hTimer);
2960
2961	hdaR3StreamTimerMain(pDevIns, pThis, pThisCC, pStreamShared, pStreamR3);
2962	}
2963
2964	/**
2965	* Soft reset of the device triggered via GCTL.
2966	*
2967	* @param pDevIns The device instance.
2968	* @param pThis The shared HDA device state.
2969	* @param pThisCC The ring-3 HDA device state.
2970	*/
2971	static void hdaR3GCTLReset(PPDMDEVINS pDevIns, PHDASTATE pThis, PHDASTATER3 pThisCC)
2972	{
2973	LogFlowFuncEnter();
2974	Assert(PDMDevHlpCritSectIsOwner(pDevIns, &pThis->CritSect));
2975
2976	/*
2977	* Make sure all streams have stopped as these have both timers and
2978	* asynchronous worker threads that would race us if we delay this work.
2979	*/
2980	for (size_t idxStream = 0; idxStream < RT_ELEMENTS(pThis->aStreams); idxStream++)
2981	{
2982	PHDASTREAM const pStreamShared = &pThis->aStreams[idxStream];
2983	PHDASTREAMR3 const pStreamR3 = &pThisCC->aStreams[idxStream];
2984	PAUDMIXSINK const pMixSink = pStreamR3->pMixSink ? pStreamR3->pMixSink->pMixSink : NULL;
2985	if (pMixSink)
2986	AudioMixerSinkLock(pMixSink);
2987
2988	/* We're doing this unconditionally, hope that's not problematic in any way... */
2989	int rc = hdaR3StreamEnable(pThis, pStreamShared, &pThisCC->aStreams[idxStream], false /* fEnable */);
2990	AssertLogRelMsg(RT_SUCCESS(rc) && !pStreamShared->State.fRunning,
2991	("Disabling stream #%u failed: %Rrc, fRunning=%d\n", idxStream, rc, pStreamShared->State.fRunning));
2992	pStreamShared->State.fRunning = false;
2993
2994	hdaR3StreamReset(pThis, pThisCC, pStreamShared, &pThisCC->aStreams[idxStream], (uint8_t)idxStream);
2995
2996	if (pMixSink) /* (FYI. pMixSink might not be what pStreamR3->pMixSink->pMixSink points at any longer) */
2997	AudioMixerSinkUnlock(pMixSink);
2998	}
2999
3000	/*
3001	* Reset registers.
3002	*/
3003	HDA_REG(pThis, GCAP) = HDA_MAKE_GCAP(HDA_MAX_SDO, HDA_MAX_SDI, 0, 0, 1); /* see 6.2.1 */
3004	HDA_REG(pThis, VMIN) = 0x00; /* see 6.2.2 */
3005	HDA_REG(pThis, VMAJ) = 0x01; /* see 6.2.3 */
3006	HDA_REG(pThis, OUTPAY) = 0x003C; /* see 6.2.4 */
3007	HDA_REG(pThis, INPAY) = 0x001D; /* see 6.2.5 */
3008	HDA_REG(pThis, CORBSIZE) = 0x42; /* Up to 256 CORB entries see 6.2.1 */
3009	HDA_REG(pThis, RIRBSIZE) = 0x42; /* Up to 256 RIRB entries see 6.2.1 */
3010	HDA_REG(pThis, CORBRP) = 0x0;
3011	HDA_REG(pThis, CORBWP) = 0x0;
3012	HDA_REG(pThis, RIRBWP) = 0x0;
3013	/* Some guests (like Haiku) don't set RINTCNT explicitly but expect an interrupt after each
3014	* RIRB response -- so initialize RINTCNT to 1 by default. */
3015	HDA_REG(pThis, RINTCNT) = 0x1;
3016	/* For newer devices, there is a capability list offset word at 0x14, linux read it, does
3017	no checking and simply reads the dword it specifies. The list terminates when the lower
3018	16 bits are zero. See snd_hdac_bus_parse_capabilities. Table 5-2 in intel 341081-002
3019	specifies this to be 0xc00 and chaining with 0x800, 0x500 and 0x1f00. We just terminate
3020	it at 0xc00 for now. */
3021	HDA_REG(pThis, LLCH) = 0xc00;
3022	HDA_REG(pThis, MLCH) = 0x0;
3023	HDA_REG(pThis, MLCD) = 0x0;
3024
3025	/*
3026	* Stop any audio currently playing and/or recording.
3027	*/
3028	pThisCC->SinkFront.pStreamShared = NULL;
3029	pThisCC->SinkFront.pStreamR3 = NULL;
3030	if (pThisCC->SinkFront.pMixSink)
3031	AudioMixerSinkReset(pThisCC->SinkFront.pMixSink);
3032	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
3033	pThisCC->SinkMicIn.pStreamShared = NULL;
3034	pThisCC->SinkMicIn.pStreamR3 = NULL;
3035	if (pThisCC->SinkMicIn.pMixSink)
3036	AudioMixerSinkReset(pThisCC->SinkMicIn.pMixSink);
3037	# endif
3038	pThisCC->SinkLineIn.pStreamShared = NULL;
3039	pThisCC->SinkLineIn.pStreamR3 = NULL;
3040	if (pThisCC->SinkLineIn.pMixSink)
3041	AudioMixerSinkReset(pThisCC->SinkLineIn.pMixSink);
3042	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
3043	pThisCC->SinkCenterLFE = NULL;
3044	if (pThisCC->SinkCenterLFE.pMixSink)
3045	AudioMixerSinkReset(pThisCC->SinkCenterLFE.pMixSink);
3046	pThisCC->SinkRear.pStreamShared = NULL;
3047	pThisCC->SinkRear.pStreamR3 = NULL;
3048	if (pThisCC->SinkRear.pMixSink)
3049	AudioMixerSinkReset(pThisCC->SinkRear.pMixSink);
3050	# endif
3051
3052	/*
3053	* Reset the codec.
3054	*/
3055	hdaCodecReset(&pThisCC->Codec);
3056
3057	/*
3058	* Set some sensible defaults for which HDA sinks
3059	* are connected to which stream number.
3060	*
3061	* We use SD0 for input and SD4 for output by default.
3062	* These stream numbers can be changed by the guest dynamically lateron.
3063	*/
3064	ASMCompilerBarrier(); /* paranoia */
3065	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
3066	hdaR3MixerControl(&pThisCC->Codec, PDMAUDIOMIXERCTL_MIC_IN , 1 /* SD0 /, 0 / Channel */);
3067	# endif
3068	hdaR3MixerControl(&pThisCC->Codec, PDMAUDIOMIXERCTL_LINE_IN , 1 /* SD0 /, 0 / Channel */);
3069
3070	hdaR3MixerControl(&pThisCC->Codec, PDMAUDIOMIXERCTL_FRONT , 5 /* SD4 /, 0 / Channel */);
3071	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
3072	hdaR3MixerControl(&pThisCC->Codec, PDMAUDIOMIXERCTL_CENTER_LFE, 5 /* SD4 /, 0 / Channel */);
3073	hdaR3MixerControl(&pThisCC->Codec, PDMAUDIOMIXERCTL_REAR , 5 /* SD4 /, 0 / Channel */);
3074	# endif
3075	ASMCompilerBarrier(); /* paranoia */
3076
3077	/* Reset CORB. */
3078	pThis->cbCorbBuf = HDA_CORB_SIZE * HDA_CORB_ELEMENT_SIZE;
3079	RT_ZERO(pThis->au32CorbBuf);
3080
3081	/* Reset RIRB. */
3082	pThis->cbRirbBuf = HDA_RIRB_SIZE * HDA_RIRB_ELEMENT_SIZE;
3083	RT_ZERO(pThis->au64RirbBuf);
3084
3085	/* Clear our internal response interrupt counter. */
3086	pThis->u16RespIntCnt = 0;
3087
3088	/* Clear stream tags <-> objects mapping table. */
3089	RT_ZERO(pThisCC->aTags);
3090
3091	/* Emulation of codec "wake up" (HDA spec 5.5.1 and 6.5). */
3092	HDA_REG(pThis, STATESTS) = 0x1;
3093
3094	/* Reset the wall clock. */
3095	pThis->tsWalClkStart = PDMDevHlpTimerGet(pDevIns, pThis->aStreams[0].hTimer);
3096
3097	LogFlowFuncLeave();
3098	LogRel(("HDA: Reset\n"));
3099	}
3100
3101	#else /* !IN_RING3 */
3102
3103	/**
3104	* Checks if a dword read starting with @a idxRegDsc is safe.
3105	*
3106	* We can guarentee it only standard reader callbacks are used.
3107	* @returns true if it will always succeed, false if it may return back to
3108	* ring-3 or we're just not sure.
3109	* @param idxRegDsc The first register descriptor in the DWORD being read.
3110	*/
3111	DECLINLINE(bool) hdaIsMultiReadSafeInRZ(unsigned idxRegDsc)
3112	{
3113	int32_t cbLeft = 4; /* signed on purpose */
3114	do
3115	{
3116	if ( g_aHdaRegMap[idxRegDsc].pfnRead == hdaRegReadU24
3117	\|\| g_aHdaRegMap[idxRegDsc].pfnRead == hdaRegReadU16
3118	\|\| g_aHdaRegMap[idxRegDsc].pfnRead == hdaRegReadU8
3119	\|\| g_aHdaRegMap[idxRegDsc].pfnRead == hdaRegReadUnimpl)
3120	{ /* okay */ }
3121	else
3122	{
3123	Log4(("hdaIsMultiReadSafeInRZ: idxRegDsc=%u %s\n", idxRegDsc, g_aHdaRegMap[idxRegDsc].pszName));
3124	return false;
3125	}
3126
3127	idxRegDsc++;
3128	if (idxRegDsc < RT_ELEMENTS(g_aHdaRegMap))
3129	cbLeft -= g_aHdaRegMap[idxRegDsc].off - g_aHdaRegMap[idxRegDsc - 1].off;
3130	else
3131	break;
3132	} while (cbLeft > 0);
3133	return true;
3134	}
3135
3136
3137	#endif /* !IN_RING3 */
3138
3139
3140	/* MMIO callbacks */
3141
3142	/**
3143	* @callback_method_impl{FNIOMMMIONEWREAD, Looks up and calls the appropriate handler.}
3144	*
3145	* @note During implementation, we discovered so-called "forgotten" or "hole"
3146	* registers whose description is not listed in the RPM, datasheet, or
3147	* spec.
3148	*/
3149	static DECLCALLBACK(VBOXSTRICTRC) hdaMmioRead(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void pv, unsigned cb)
3150	{
3151	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
3152	VBOXSTRICTRC rc;
3153	RT_NOREF_PV(pvUser);
3154	Assert(pThis->uAlignmentCheckMagic == HDASTATE_ALIGNMENT_CHECK_MAGIC);
3155
3156	/*
3157	* Look up and log.
3158	*/
3159	int idxRegDsc = hdaRegLookup(off); /* Register descriptor index. */
3160	#ifdef LOG_ENABLED
3161	unsigned const cbLog = cb;
3162	uint32_t offRegLog = (uint32_t)off;
3163	# ifdef HDA_DEBUG_GUEST_RIP
3164	if (LogIs6Enabled())
3165	{
3166	PVMCPU pVCpu = (PVMCPU)PDMDevHlpGetVMCPU(pDevIns);
3167	Log6Func(("cs:rip=%04x:%016RX64 rflags=%08RX32\n", CPUMGetGuestCS(pVCpu), CPUMGetGuestRIP(pVCpu), CPUMGetGuestEFlags(pVCpu)));
3168	}
3169	# endif
3170	#endif
3171
3172	Log3Func(("off=%#x cb=%#x\n", offRegLog, cb));
3173	Assert(cb == 4); Assert((off & 3) == 0);
3174
3175	rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VINF_IOM_R3_MMIO_READ);
3176	if (rc == VINF_SUCCESS)
3177	{
3178	if (!(HDA_REG(pThis, GCTL) & HDA_GCTL_CRST) && idxRegDsc != HDA_REG_GCTL)
3179	LogFunc(("Access to registers except GCTL is blocked while resetting\n"));
3180
3181	if (idxRegDsc >= 0)
3182	{
3183	/* ASSUMES gapless DWORD at end of map. */
3184	if (g_aHdaRegMap[idxRegDsc].cb == 4)
3185	{
3186	/*
3187	* Straight forward DWORD access.
3188	*/
3189	rc = g_aHdaRegMap[idxRegDsc].pfnRead(pDevIns, pThis, idxRegDsc, (uint32_t *)pv);
3190	Log3Func((" Read %s => %x (%Rrc)\n", g_aHdaRegMap[idxRegDsc].pszName, (uint32_t )pv, VBOXSTRICTRC_VAL(rc)));
3191	STAM_COUNTER_INC(&pThis->aStatRegReads[idxRegDsc]);
3192	}
3193	#ifndef IN_RING3
3194	else if (!hdaIsMultiReadSafeInRZ(idxRegDsc))
3195
3196	{
3197	STAM_COUNTER_INC(&pThis->aStatRegReadsToR3[idxRegDsc]);
3198	rc = VINF_IOM_R3_MMIO_READ;
3199	}
3200	#endif
3201	else
3202	{
3203	/*
3204	* Multi register read (unless there are trailing gaps).
3205	* ASSUMES that only DWORD reads have sideeffects.
3206	*/
3207	STAM_COUNTER_INC(&pThis->CTX_SUFF_Z(StatRegMultiReads));
3208	Log4(("hdaMmioRead: multi read: %#x LB %#x %s\n", off, cb, g_aHdaRegMap[idxRegDsc].pszName));
3209	uint32_t u32Value = 0;
3210	unsigned cbLeft = 4;
3211	do
3212	{
3213	uint32_t const cbReg = g_aHdaRegMap[idxRegDsc].cb;
3214	uint32_t u32Tmp = 0;
3215
3216	rc = g_aHdaRegMap[idxRegDsc].pfnRead(pDevIns, pThis, idxRegDsc, &u32Tmp);
3217	Log4Func((" Read %s[%db] => %x (%Rrc)*\n", g_aHdaRegMap[idxRegDsc].pszName, cbReg, u32Tmp, VBOXSTRICTRC_VAL(rc)));
3218	STAM_COUNTER_INC(&pThis->aStatRegReads[idxRegDsc]);
3219	#ifdef IN_RING3
3220	if (rc != VINF_SUCCESS)
3221	break;
3222	#else
3223	AssertMsgBreak(rc == VINF_SUCCESS, ("rc=%Rrc - impossible, we sanitized the readers!\n", VBOXSTRICTRC_VAL(rc)));
3224	#endif
3225	u32Value \|= (u32Tmp & g_afMasks[cbReg]) << ((4 - cbLeft) * 8);
3226
3227	cbLeft -= cbReg;
3228	off += cbReg;
3229	idxRegDsc++;
3230	} while (cbLeft > 0 && g_aHdaRegMap[idxRegDsc].off == off);
3231
3232	if (rc == VINF_SUCCESS)
3233	(uint32_t )pv = u32Value;
3234	else
3235	Assert(!IOM_SUCCESS(rc));
3236	}
3237	}
3238	else
3239	{
3240	LogRel(("HDA: Invalid read access @0x%x (bytes=%u)\n", (uint32_t)off, cb));
3241	Log3Func((" Hole at %x is accessed for read\n", offRegLog));
3242	STAM_COUNTER_INC(&pThis->StatRegUnknownReads);
3243	rc = VINF_IOM_MMIO_UNUSED_FF;
3244	}
3245
3246	DEVHDA_UNLOCK(pDevIns, pThis);
3247
3248	/*
3249	* Log the outcome.
3250	*/
3251	#ifdef LOG_ENABLED
3252	if (cbLog == 4)
3253	Log3Func((" Returning @%#05x -> %#010x %Rrc\n", offRegLog, (uint32_t )pv, VBOXSTRICTRC_VAL(rc)));
3254	else if (cbLog == 2)
3255	Log3Func((" Returning @%#05x -> %#06x %Rrc\n", offRegLog, (uint16_t )pv, VBOXSTRICTRC_VAL(rc)));
3256	else if (cbLog == 1)
3257	Log3Func((" Returning @%#05x -> %#04x %Rrc\n", offRegLog, (uint8_t )pv, VBOXSTRICTRC_VAL(rc)));
3258	#endif
3259	}
3260	else
3261	{
3262	if (idxRegDsc >= 0)
3263	STAM_COUNTER_INC(&pThis->aStatRegReadsToR3[idxRegDsc]);
3264	}
3265	return rc;
3266	}
3267
3268
3269	DECLINLINE(VBOXSTRICTRC) hdaWriteReg(PPDMDEVINS pDevIns, PHDASTATE pThis, int idxRegDsc, uint32_t u32Value, char const *pszLog)
3270	{
3271	if ( (HDA_REG(pThis, GCTL) & HDA_GCTL_CRST)
3272	\|\| idxRegDsc == HDA_REG_GCTL)
3273	{ /* likely */ }
3274	else
3275	{
3276	Log(("hdaWriteReg: Warning: Access to %s is blocked while controller is in reset mode\n", g_aHdaRegMap[idxRegDsc].pszName));
3277	#if defined(IN_RING3) \|\| defined(LOG_ENABLED)
3278	LogRel2(("HDA: Warning: Access to register %s is blocked while controller is in reset mode\n",
3279	g_aHdaRegMap[idxRegDsc].pszName));
3280	#endif
3281	STAM_COUNTER_INC(&pThis->StatRegWritesBlockedByReset);
3282	return VINF_SUCCESS;
3283	}
3284
3285	/*
3286	* Handle RD (register description) flags.
3287	*/
3288
3289	/* For SDI / SDO: Check if writes to those registers are allowed while SDCTL's RUN bit is set. */
3290	if (idxRegDsc >= HDA_NUM_GENERAL_REGS)
3291	{
3292	/*
3293	* Some OSes (like Win 10 AU) violate the spec by writing stuff to registers which are not supposed to be be touched
3294	* while SDCTL's RUN bit is set. So just ignore those values.
3295	*/
3296	const uint32_t uSDCTL = HDA_STREAM_REG(pThis, CTL, HDA_SD_NUM_FROM_REG(pThis, CTL, idxRegDsc));
3297	if ( !(uSDCTL & HDA_SDCTL_RUN)
3298	\|\| (g_aHdaRegMap[idxRegDsc].fFlags & HDA_RD_F_SD_WRITE_RUN))
3299	{ /* likely */ }
3300	else
3301	{
3302	Log(("hdaWriteReg: Warning: Access to %s is blocked! %R[sdctl]\n", g_aHdaRegMap[idxRegDsc].pszName, uSDCTL));
3303	#if defined(IN_RING3) \|\| defined(LOG_ENABLED)
3304	LogRel2(("HDA: Warning: Access to register %s is blocked while the stream's RUN bit is set\n",
3305	g_aHdaRegMap[idxRegDsc].pszName));
3306	#endif
3307	STAM_COUNTER_INC(&pThis->StatRegWritesBlockedByRun);
3308	return VINF_SUCCESS;
3309	}
3310	}
3311
3312	#ifdef LOG_ENABLED
3313	uint32_t const idxRegMem = g_aHdaRegMap[idxRegDsc].idxReg;
3314	uint32_t const u32OldValue = pThis->au32Regs[idxRegMem];
3315	#endif
3316	VBOXSTRICTRC rc = g_aHdaRegMap[idxRegDsc].pfnWrite(pDevIns, pThis, idxRegDsc, u32Value);
3317	Log3Func(("Written value %#x to %s[%d byte]; %x => %x%s, rc=%d\n", u32Value, g_aHdaRegMap[idxRegDsc].pszName,
3318	g_aHdaRegMap[idxRegDsc].cb, u32OldValue, pThis->au32Regs[idxRegMem], pszLog, VBOXSTRICTRC_VAL(rc)));
3319	#ifndef IN_RING3
3320	if (rc == VINF_IOM_R3_MMIO_WRITE)
3321	STAM_COUNTER_INC(&pThis->aStatRegWritesToR3[idxRegDsc]);
3322	else
3323	#endif
3324	STAM_COUNTER_INC(&pThis->aStatRegWrites[idxRegDsc]);
3325
3326	RT_NOREF(pszLog);
3327	return rc;
3328	}
3329
3330
3331	/**
3332	* @callback_method_impl{FNIOMMMIONEWWRITE,
3333	* Looks up and calls the appropriate handler.}
3334	*/
3335	static DECLCALLBACK(VBOXSTRICTRC) hdaMmioWrite(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void const pv, unsigned cb)
3336	{
3337	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
3338	RT_NOREF_PV(pvUser);
3339	Assert(pThis->uAlignmentCheckMagic == HDASTATE_ALIGNMENT_CHECK_MAGIC);
3340
3341	/*
3342	* Look up and log the access.
3343	*/
3344	int idxRegDsc = hdaRegLookup(off);
3345	#if defined(IN_RING3) \|\| defined(LOG_ENABLED)
3346	uint32_t idxRegMem = idxRegDsc != -1 ? g_aHdaRegMap[idxRegDsc].idxReg : UINT32_MAX;
3347	#endif
3348	uint64_t u64Value;
3349	if (cb == 4) u64Value = (uint32_t const )pv;
3350	else if (cb == 2) u64Value = (uint16_t const )pv;
3351	else if (cb == 1) u64Value = (uint8_t const )pv;
3352	else if (cb == 8) u64Value = (uint64_t const )pv;
3353	else
3354	ASSERT_GUEST_MSG_FAILED_RETURN(("cb=%u %.*Rhxs\n", cb, cb, pv),
3355	PDMDevHlpDBGFStop(pDevIns, RT_SRC_POS, "odd write size: off=%RGp cb=%u\n", off, cb));
3356
3357	/*
3358	* The behavior of accesses that aren't aligned on natural boundraries is
3359	* undefined. Just reject them outright.
3360	*/
3361	ASSERT_GUEST_MSG_RETURN((off & (cb - 1)) == 0, ("off=%RGp cb=%u %.*Rhxs\n", off, cb, cb, pv),
3362	PDMDevHlpDBGFStop(pDevIns, RT_SRC_POS, "misaligned write access: off=%RGp cb=%u\n", off, cb));
3363
3364	#ifdef LOG_ENABLED
3365	uint32_t const u32LogOldValue = idxRegDsc >= 0 ? pThis->au32Regs[idxRegMem] : UINT32_MAX;
3366	# ifdef HDA_DEBUG_GUEST_RIP
3367	if (LogIs6Enabled())
3368	{
3369	PVMCPU pVCpu = (PVMCPU)PDMDevHlpGetVMCPU(pDevIns);
3370	Log6Func(("cs:rip=%04x:%016RX64 rflags=%08RX32\n", CPUMGetGuestCS(pVCpu), CPUMGetGuestRIP(pVCpu), CPUMGetGuestEFlags(pVCpu)));
3371	}
3372	# endif
3373	#endif
3374
3375	/*
3376	* Try for a direct hit first.
3377	*/
3378	VBOXSTRICTRC rc;
3379	if (idxRegDsc >= 0 && g_aHdaRegMap[idxRegDsc].cb == cb)
3380	{
3381	DEVHDA_LOCK_RETURN(pDevIns, pThis, VINF_IOM_R3_MMIO_WRITE);
3382
3383	Log3Func(("@%#05x u%u=%#0RX64 %s\n", (uint32_t)off, cb 8, 2 + cb * 2, u64Value, g_aHdaRegMap[idxRegDsc].pszName));
3384	rc = hdaWriteReg(pDevIns, pThis, idxRegDsc, u64Value, "");
3385	Log3Func((" %#x -> %#x\n", u32LogOldValue, idxRegMem != UINT32_MAX ? pThis->au32Regs[idxRegMem] : UINT32_MAX));
3386
3387	DEVHDA_UNLOCK(pDevIns, pThis);
3388	}
3389	/*
3390	* Sub-register access. Supply missing bits as needed.
3391	*/
3392	else if ( idxRegDsc >= 0
3393	&& cb < g_aHdaRegMap[idxRegDsc].cb)
3394	{
3395	DEVHDA_LOCK_RETURN(pDevIns, pThis, VINF_IOM_R3_MMIO_WRITE);
3396
3397	u64Value \|= pThis->au32Regs[g_aHdaRegMap[idxRegDsc].idxReg]
3398	& g_afMasks[g_aHdaRegMap[idxRegDsc].cb]
3399	& ~g_afMasks[cb];
3400	Log4Func(("@%#05x u%u=%#0*RX64 cb=%#x cbReg=%x %s\n"
3401	"hdaMmioWrite: Supplying missing bits (%#x): %#llx -> %#llx ...\n",
3402	(uint32_t)off, cb * 8, 2 + cb * 2, u64Value, cb, g_aHdaRegMap[idxRegDsc].cb, g_aHdaRegMap[idxRegDsc].pszName,
3403	g_afMasks[g_aHdaRegMap[idxRegDsc].cb] & ~g_afMasks[cb], u64Value & g_afMasks[cb], u64Value));
3404	rc = hdaWriteReg(pDevIns, pThis, idxRegDsc, u64Value, "");
3405	Log4Func((" %#x -> %#x\n", u32LogOldValue, idxRegMem != UINT32_MAX ? pThis->au32Regs[idxRegMem] : UINT32_MAX));
3406	STAM_COUNTER_INC(&pThis->CTX_SUFF_Z(StatRegSubWrite));
3407
3408	DEVHDA_UNLOCK(pDevIns, pThis);
3409	}
3410	/*
3411	* Partial or multiple register access, loop thru the requested memory.
3412	*/
3413	else
3414	{
3415	#ifdef IN_RING3
3416	DEVHDA_LOCK_RETURN(pDevIns, pThis, VINF_IOM_R3_MMIO_WRITE);
3417
3418	if (idxRegDsc == -1)
3419	Log4Func(("@%#05x u32=%#010x cb=%d\n", (uint32_t)off, (uint32_t const )pv, cb));
3420	else if (g_aHdaRegMap[idxRegDsc].cb == cb)
3421	Log4Func(("@%#05x u%u=%#0RX64 %s\n", (uint32_t)off, cb 8, 2 + cb * 2, u64Value, g_aHdaRegMap[idxRegDsc].pszName));
3422	else
3423	Log4Func(("@%#05x u%u=%#0RX64 %s - mismatch cbReg=%u\n", (uint32_t)off, cb 8, 2 + cb * 2, u64Value,
3424	g_aHdaRegMap[idxRegDsc].pszName, g_aHdaRegMap[idxRegDsc].cb));
3425
3426	/*
3427	* If it's an access beyond the start of the register, shift the input
3428	* value and fill in missing bits. Natural alignment rules means we
3429	* will only see 1 or 2 byte accesses of this kind, so no risk of
3430	* shifting out input values.
3431	*/
3432	if (idxRegDsc < 0)
3433	{
3434	uint32_t cbBefore;
3435	idxRegDsc = hdaR3RegLookupWithin(off, &cbBefore);
3436	if (idxRegDsc != -1)
3437	{
3438	Assert(cbBefore > 0 && cbBefore < 4 /* no register is wider than 4 bytes, we check in the constructor */);
3439	off -= cbBefore;
3440	idxRegMem = g_aHdaRegMap[idxRegDsc].idxReg;
3441	u64Value <<= cbBefore * 8;
3442	u64Value \|= pThis->au32Regs[idxRegMem] & g_afMasks[cbBefore];
3443	Log4Func((" Within register, supplied %u leading bits: %#llx -> %#llx ...\n",
3444	cbBefore * 8, ~(uint64_t)g_afMasks[cbBefore] & u64Value, u64Value));
3445	STAM_COUNTER_INC(&pThis->CTX_SUFF_Z(StatRegMultiWrites));
3446	}
3447	else
3448	STAM_COUNTER_INC(&pThis->StatRegUnknownWrites);
3449	}
3450	else
3451	{
3452	Log4(("hdaMmioWrite: multi write: %s\n", g_aHdaRegMap[idxRegDsc].pszName));
3453	STAM_COUNTER_INC(&pThis->CTX_SUFF_Z(StatRegMultiWrites));
3454	}
3455
3456	/* Loop thru the write area, it may cover multiple registers. */
3457	rc = VINF_SUCCESS;
3458	for (;;)
3459	{
3460	uint32_t cbReg;
3461	if (idxRegDsc >= 0)
3462	{
3463	idxRegMem = g_aHdaRegMap[idxRegDsc].idxReg;
3464	cbReg = g_aHdaRegMap[idxRegDsc].cb;
3465	if (cb < cbReg)
3466	{
3467	u64Value \|= pThis->au32Regs[idxRegMem] & g_afMasks[cbReg] & ~g_afMasks[cb];
3468	Log4Func((" Supplying missing bits (%#x): %#llx -> %#llx ...\n",
3469	g_afMasks[cbReg] & ~g_afMasks[cb], u64Value & g_afMasks[cb], u64Value));
3470	}
3471	# ifdef LOG_ENABLED
3472	uint32_t uLogOldVal = pThis->au32Regs[idxRegMem];
3473	# endif
3474	rc = hdaWriteReg(pDevIns, pThis, idxRegDsc, u64Value & g_afMasks[cbReg], "*");
3475	Log4Func((" %#x -> %#x\n", uLogOldVal, pThis->au32Regs[idxRegMem]));
3476	}
3477	else
3478	{
3479	LogRel(("HDA: Invalid write access @0x%x\n", (uint32_t)off));
3480	cbReg = 1;
3481	}
3482	if (rc != VINF_SUCCESS)
3483	break;
3484	if (cbReg >= cb)
3485	break;
3486
3487	/* Advance. */
3488	off += cbReg;
3489	cb -= cbReg;
3490	u64Value >>= cbReg * 8;
3491	if (idxRegDsc == -1)
3492	idxRegDsc = hdaRegLookup(off);
3493	else
3494	{
3495	/** @todo r=bird: This doesn't work for aliased registers, since the incremented
3496	* offset won't match as it's still the aliased one. Only scenario, though
3497	* would be misaligned accesses (2, 4 or 8 bytes), and the result would be that
3498	* only the first part will be written. Given that the aliases we have are lone
3499	* registers, that seems like they shouldn't have anything else around them,
3500	* this is probably the correct behaviour, though real hw may of course
3501	* disagree. Only look into it if we have a sane guest running into this. */
3502	idxRegDsc++;
3503	if ( (unsigned)idxRegDsc >= RT_ELEMENTS(g_aHdaRegMap)
3504	\|\| g_aHdaRegMap[idxRegDsc].off != off)
3505	idxRegDsc = -1;
3506	}
3507	}
3508
3509	DEVHDA_UNLOCK(pDevIns, pThis);
3510
3511	#else /* !IN_RING3 */
3512	/* Take the simple way out. */
3513	rc = VINF_IOM_R3_MMIO_WRITE;
3514	#endif /* !IN_RING3 */
3515	}
3516
3517	return rc;
3518	}
3519
3520	#ifdef IN_RING3
3521
3522
3523	/*********************************************************************************************************************************
3524	* Saved state *
3525	*********************************************************************************************************************************/
3526
3527	/**
3528	* @callback_method_impl{FNSSMFIELDGETPUT,
3529	* Version 6 saves the IOC flag in HDABDLEDESC::fFlags as a bool}
3530	*/
3531	static DECLCALLBACK(int)
3532	hdaR3GetPutTrans_HDABDLEDESC_fFlags_6(PSSMHANDLE pSSM, const struct SSMFIELD pField, void pvStruct,
3533	uint32_t fFlags, bool fGetOrPut, void *pvUser)
3534	{
3535	PPDMDEVINS pDevIns = (PPDMDEVINS)pvUser;
3536	RT_NOREF(pSSM, pField, pvStruct, fFlags);
3537	AssertReturn(fGetOrPut, VERR_INTERNAL_ERROR_4);
3538	bool fIoc;
3539	int rc = pDevIns->pHlpR3->pfnSSMGetBool(pSSM, &fIoc);
3540	if (RT_SUCCESS(rc))
3541	{
3542	PHDABDLEDESC pDesc = (PHDABDLEDESC)pvStruct;
3543	pDesc->fFlags = fIoc ? HDA_BDLE_F_IOC : 0;
3544	}
3545	return rc;
3546	}
3547
3548
3549	/**
3550	* @callback_method_impl{FNSSMFIELDGETPUT,
3551	* Versions 1 thru 4 save the IOC flag in HDASTREAMSTATE::DescfFlags as a bool}
3552	*/
3553	static DECLCALLBACK(int)
3554	hdaR3GetPutTrans_HDABDLE_Desc_fFlags_1thru4(PSSMHANDLE pSSM, const struct SSMFIELD pField, void pvStruct,
3555	uint32_t fFlags, bool fGetOrPut, void *pvUser)
3556	{
3557	PPDMDEVINS pDevIns = (PPDMDEVINS)pvUser;
3558	RT_NOREF(pSSM, pField, pvStruct, fFlags);
3559	AssertReturn(fGetOrPut, VERR_INTERNAL_ERROR_4);
3560	bool fIoc;
3561	int rc = pDevIns->pHlpR3->pfnSSMGetBool(pSSM, &fIoc);
3562	if (RT_SUCCESS(rc))
3563	{
3564	HDABDLELEGACY pState = (HDABDLELEGACY )pvStruct;
3565	pState->Desc.fFlags = fIoc ? HDA_BDLE_F_IOC : 0;
3566	}
3567	return rc;
3568	}
3569
3570
3571	static int hdaR3SaveStream(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, PHDASTREAM pStreamShared, PHDASTREAMR3 pStreamR3)
3572	{
3573	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
3574	# ifdef LOG_ENABLED
3575	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
3576	# endif
3577
3578	Log2Func(("[SD%RU8]\n", pStreamShared->u8SD));
3579
3580	/* Save stream ID. */
3581	Assert(pStreamShared->u8SD < HDA_MAX_STREAMS);
3582	int rc = pHlp->pfnSSMPutU8(pSSM, pStreamShared->u8SD);
3583	AssertRCReturn(rc, rc);
3584
3585	rc = pHlp->pfnSSMPutStructEx(pSSM, &pStreamShared->State, sizeof(pStreamShared->State),
3586	0 /fFlags/, g_aSSMStreamStateFields7, NULL);
3587	AssertRCReturn(rc, rc);
3588
3589	AssertCompile(sizeof(pStreamShared->State.idxCurBdle) == sizeof(uint8_t) && RT_ELEMENTS(pStreamShared->State.aBdl) == 256);
3590	HDABDLEDESC TmpDesc = (HDABDLEDESC )&pStreamShared->State.aBdl[pStreamShared->State.idxCurBdle];
3591	rc = pHlp->pfnSSMPutStructEx(pSSM, &TmpDesc, sizeof(TmpDesc), 0 /fFlags/, g_aSSMBDLEDescFields7, NULL);
3592	AssertRCReturn(rc, rc);
3593
3594	HDABDLESTATELEGACY TmpState = { pStreamShared->State.idxCurBdle, 0, pStreamShared->State.offCurBdle, 0 };
3595	rc = pHlp->pfnSSMPutStructEx(pSSM, &TmpState, sizeof(TmpState), 0 /fFlags/, g_aSSMBDLEStateFields7, NULL);
3596	AssertRCReturn(rc, rc);
3597
3598	PAUDMIXSINK pSink = NULL;
3599	uint32_t cbCircBuf = 0;
3600	uint32_t cbCircBufUsed = 0;
3601	if (pStreamR3->State.pCircBuf)
3602	{
3603	cbCircBuf = (uint32_t)RTCircBufSize(pStreamR3->State.pCircBuf);
3604
3605	/* We take the AIO lock here and releases it after saving the buffer,
3606	otherwise the AIO thread could race us reading out the buffer data. */
3607	pSink = pStreamR3->pMixSink ? pStreamR3->pMixSink->pMixSink : NULL;
3608	if ( !pSink
3609	\|\| RT_SUCCESS(AudioMixerSinkTryLock(pSink)))
3610	{
3611	cbCircBufUsed = (uint32_t)RTCircBufUsed(pStreamR3->State.pCircBuf);
3612	if (cbCircBufUsed == 0 && pSink)
3613	AudioMixerSinkUnlock(pSink);
3614	}
3615	}
3616
3617	pHlp->pfnSSMPutU32(pSSM, cbCircBuf);
3618	rc = pHlp->pfnSSMPutU32(pSSM, cbCircBufUsed);
3619
3620	if (cbCircBufUsed > 0)
3621	{
3622	/* HACK ALERT! We cannot remove data from the buffer (live snapshot),
3623	we use RTCircBufOffsetRead and RTCircBufAcquireReadBlock
3624	creatively to get at the other buffer segment in case
3625	of a wraparound. */
3626	size_t const offBuf = RTCircBufOffsetRead(pStreamR3->State.pCircBuf);
3627	void *pvBuf = NULL;
3628	size_t cbBuf = 0;
3629	RTCircBufAcquireReadBlock(pStreamR3->State.pCircBuf, cbCircBufUsed, &pvBuf, &cbBuf);
3630	Assert(cbBuf);
3631	rc = pHlp->pfnSSMPutMem(pSSM, pvBuf, cbBuf);
3632	if (cbBuf < cbCircBufUsed)
3633	rc = pHlp->pfnSSMPutMem(pSSM, (uint8_t *)pvBuf - offBuf, cbCircBufUsed - cbBuf);
3634	RTCircBufReleaseReadBlock(pStreamR3->State.pCircBuf, 0 /* Don't advance read pointer! */);
3635
3636	if (pSink)
3637	AudioMixerSinkUnlock(pSink);
3638	}
3639
3640	Log2Func(("[SD%RU8] LPIB=%RU32, CBL=%RU32, LVI=%RU32\n", pStreamR3->u8SD, HDA_STREAM_REG(pThis, LPIB, pStreamShared->u8SD),
3641	HDA_STREAM_REG(pThis, CBL, pStreamShared->u8SD), HDA_STREAM_REG(pThis, LVI, pStreamShared->u8SD)));
3642
3643	#ifdef LOG_ENABLED
3644	hdaR3BDLEDumpAll(pDevIns, pThis, pStreamShared->u64BDLBase, pStreamShared->u16LVI + 1);
3645	#endif
3646
3647	return rc;
3648	}
3649
3650	/**
3651	* @callback_method_impl{FNSSMDEVSAVEEXEC}
3652	*/
3653	static DECLCALLBACK(int) hdaR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
3654	{
3655	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
3656	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
3657	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
3658
3659	/* Save Codec nodes states. */
3660	hdaCodecSaveState(pDevIns, &pThisCC->Codec, pSSM);
3661
3662	/* Save MMIO registers. */
3663	pHlp->pfnSSMPutU32(pSSM, RT_ELEMENTS(pThis->au32Regs));
3664	pHlp->pfnSSMPutMem(pSSM, pThis->au32Regs, sizeof(pThis->au32Regs));
3665
3666	/* Save controller-specifc internals. */
3667	pHlp->pfnSSMPutU64(pSSM, pThis->tsWalClkStart);
3668	pHlp->pfnSSMPutU8(pSSM, pThis->u8IRQL);
3669
3670	/* Save number of streams. */
3671	pHlp->pfnSSMPutU32(pSSM, HDA_MAX_STREAMS);
3672
3673	/* Save stream states. */
3674	for (uint8_t i = 0; i < HDA_MAX_STREAMS; i++)
3675	{
3676	int rc = hdaR3SaveStream(pDevIns, pSSM, &pThis->aStreams[i], &pThisCC->aStreams[i]);
3677	AssertRCReturn(rc, rc);
3678	}
3679
3680	return VINF_SUCCESS;
3681	}
3682
3683	/**
3684	* @callback_method_impl{FNSSMDEVLOADDONE,
3685	* Finishes stream setup and resuming.}
3686	*/
3687	static DECLCALLBACK(int) hdaR3LoadDone(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
3688	{
3689	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
3690	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
3691	LogFlowFuncEnter();
3692
3693	/*
3694	* Enable all previously active streams.
3695	*/
3696	for (size_t i = 0; i < HDA_MAX_STREAMS; i++)
3697	{
3698	PHDASTREAM pStreamShared = &pThis->aStreams[i];
3699
3700	bool fActive = RT_BOOL(HDA_STREAM_REG(pThis, CTL, i) & HDA_SDCTL_RUN);
3701	if (fActive)
3702	{
3703	PHDASTREAMR3 pStreamR3 = &pThisCC->aStreams[i];
3704
3705	/* (Re-)enable the stream. */
3706	int rc2 = hdaR3StreamEnable(pThis, pStreamShared, pStreamR3, true /* fEnable */);
3707	AssertRC(rc2);
3708
3709	/* Add the stream to the device setup. */
3710	rc2 = hdaR3AddStream(pThisCC, &pStreamShared->State.Cfg);
3711	AssertRC(rc2);
3712
3713	/* Use the LPIB to find the current scheduling position. If this isn't
3714	exactly on a scheduling item adjust LPIB down to the start of the
3715	current. This isn't entirely ideal, but it avoid the IRQ counting
3716	issue if we round it upwards. (it is also a lot simpler) */
3717	uint32_t uLpib = HDA_STREAM_REG(pThis, LPIB, i);
3718	AssertLogRelMsgStmt(uLpib < pStreamShared->u32CBL, ("LPIB=%#RX32 CBL=%#RX32\n", uLpib, pStreamShared->u32CBL),
3719	HDA_STREAM_REG(pThis, LPIB, i) = uLpib = 0);
3720
3721	uint32_t off = 0;
3722	for (uint32_t j = 0; j < pStreamShared->State.cSchedule; j++)
3723	{
3724	AssertReturn(pStreamShared->State.aSchedule[j].cbPeriod >= 1 && pStreamShared->State.aSchedule[j].cLoops >= 1,
3725	pDevIns->pHlpR3->pfnSSMSetLoadError(pSSM, VERR_INTERNAL_ERROR_2, RT_SRC_POS,
3726	"Stream #%u, sched #%u: cbPeriod=%u cLoops=%u\n",
3727	pStreamShared->u8SD, j,
3728	pStreamShared->State.aSchedule[j].cbPeriod,
3729	pStreamShared->State.aSchedule[j].cLoops));
3730	uint32_t cbCur = pStreamShared->State.aSchedule[j].cbPeriod
3731	* pStreamShared->State.aSchedule[j].cLoops;
3732	if (uLpib >= off + cbCur)
3733	off += cbCur;
3734	else
3735	{
3736	uint32_t const offDelta = uLpib - off;
3737	uint32_t idxLoop = offDelta / pStreamShared->State.aSchedule[j].cbPeriod;
3738	uint32_t offLoop = offDelta % pStreamShared->State.aSchedule[j].cbPeriod;
3739	if (offLoop)
3740	{
3741	/** @todo somehow bake this into the DMA timer logic. */
3742	LogFunc(("stream #%u: LPIB=%#RX32; adjusting due to scheduling clash: -%#x (j=%u idxLoop=%u cbPeriod=%#x)\n",
3743	pStreamShared->u8SD, uLpib, offLoop, j, idxLoop, pStreamShared->State.aSchedule[j].cbPeriod));
3744	uLpib -= offLoop;
3745	HDA_STREAM_REG(pThis, LPIB, i) = uLpib;
3746	}
3747	pStreamShared->State.idxSchedule = (uint16_t)j;
3748	pStreamShared->State.idxScheduleLoop = (uint16_t)idxLoop;
3749	off = UINT32_MAX;
3750	break;
3751	}
3752	}
3753	Assert(off == UINT32_MAX);
3754
3755	/* Now figure out the current BDLE and the offset within it. */
3756	off = 0;
3757	for (uint32_t j = 0; j < pStreamShared->State.cBdles; j++)
3758	if (uLpib >= off + pStreamShared->State.aBdl[j].cb)
3759	off += pStreamShared->State.aBdl[j].cb;
3760	else
3761	{
3762	pStreamShared->State.idxCurBdle = j;
3763	pStreamShared->State.offCurBdle = uLpib - off;
3764	off = UINT32_MAX;
3765	break;
3766	}
3767	AssertReturn(off == UINT32_MAX, pDevIns->pHlpR3->pfnSSMSetLoadError(pSSM, VERR_INTERNAL_ERROR_3, RT_SRC_POS,
3768	"Stream #%u: LPIB=%#RX32 not found in loaded BDL\n",
3769	pStreamShared->u8SD, uLpib));
3770
3771	/* Avoid going through the timer here by calling the stream's timer function directly.
3772	* Should speed up starting the stream transfers. */
3773	PDMDevHlpTimerLockClock2(pDevIns, pStreamShared->hTimer, &pThis->CritSect, VERR_IGNORED);
3774	uint64_t tsNow = hdaR3StreamTimerMain(pDevIns, pThis, pThisCC, pStreamShared, pStreamR3);
3775	PDMDevHlpTimerUnlockClock2(pDevIns, pStreamShared->hTimer, &pThis->CritSect);
3776
3777	hdaR3StreamMarkStarted(pDevIns, pThis, pStreamShared, tsNow);
3778	}
3779	}
3780
3781	LogFlowFuncLeave();
3782	return VINF_SUCCESS;
3783	}
3784
3785	/**
3786	* Handles loading of all saved state versions older than the current one.
3787	*
3788	* @param pDevIns The device instance.
3789	* @param pThis Pointer to the shared HDA state.
3790	* @param pThisCC Pointer to the ring-3 HDA state.
3791	* @param pSSM The saved state handle.
3792	* @param uVersion Saved state version to load.
3793	*/
3794	static int hdaR3LoadExecLegacy(PPDMDEVINS pDevIns, PHDASTATE pThis, PHDASTATER3 pThisCC, PSSMHANDLE pSSM, uint32_t uVersion)
3795	{
3796	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
3797	int rc;
3798
3799	/*
3800	* Load MMIO registers.
3801	*/
3802	uint32_t cRegs;
3803	switch (uVersion)
3804	{
3805	case HDA_SAVED_STATE_VERSION_1:
3806	/* Starting with r71199, we would save 112 instead of 113
3807	registers due to some code cleanups. This only affected trunk
3808	builds in the 4.1 development period. */
3809	cRegs = 113;
3810	if (pHlp->pfnSSMHandleRevision(pSSM) >= 71199)
3811	{
3812	uint32_t uVer = pHlp->pfnSSMHandleVersion(pSSM);
3813	if ( VBOX_FULL_VERSION_GET_MAJOR(uVer) == 4
3814	&& VBOX_FULL_VERSION_GET_MINOR(uVer) == 0
3815	&& VBOX_FULL_VERSION_GET_BUILD(uVer) >= 51)
3816	cRegs = 112;
3817	}
3818	break;
3819
3820	case HDA_SAVED_STATE_VERSION_2:
3821	case HDA_SAVED_STATE_VERSION_3:
3822	cRegs = 112;
3823	AssertCompile(RT_ELEMENTS(pThis->au32Regs) >= 112);
3824	break;
3825
3826	/* Since version 4 we store the register count to stay flexible. */
3827	case HDA_SAVED_STATE_VERSION_4:
3828	case HDA_SAVED_STATE_VERSION_5:
3829	case HDA_SAVED_STATE_VERSION_6:
3830	rc = pHlp->pfnSSMGetU32(pSSM, &cRegs);
3831	AssertRCReturn(rc, rc);
3832	if (cRegs != RT_ELEMENTS(pThis->au32Regs))
3833	LogRel(("HDA: SSM version cRegs is %RU32, expected %RU32\n", cRegs, RT_ELEMENTS(pThis->au32Regs)));
3834	break;
3835
3836	default:
3837	AssertLogRelMsgFailedReturn(("HDA: Internal Error! Didn't expect saved state version %RU32 ending up in hdaR3LoadExecLegacy!\n",
3838	uVersion), VERR_INTERNAL_ERROR_5);
3839	}
3840
3841	if (cRegs >= RT_ELEMENTS(pThis->au32Regs))
3842	{
3843	pHlp->pfnSSMGetMem(pSSM, pThis->au32Regs, sizeof(pThis->au32Regs));
3844	pHlp->pfnSSMSkip(pSSM, sizeof(uint32_t) * (cRegs - RT_ELEMENTS(pThis->au32Regs)));
3845	}
3846	else
3847	pHlp->pfnSSMGetMem(pSSM, pThis->au32Regs, sizeof(uint32_t) * cRegs);
3848
3849	/* Make sure to update the base addresses first before initializing any streams down below. */
3850	pThis->u64CORBBase = RT_MAKE_U64(HDA_REG(pThis, CORBLBASE), HDA_REG(pThis, CORBUBASE));
3851	pThis->u64RIRBBase = RT_MAKE_U64(HDA_REG(pThis, RIRBLBASE), HDA_REG(pThis, RIRBUBASE));
3852	pThis->u64DPBase = RT_MAKE_U64(HDA_REG(pThis, DPLBASE) & DPBASE_ADDR_MASK, HDA_REG(pThis, DPUBASE));
3853
3854	/* Also make sure to update the DMA position bit if this was enabled when saving the state. */
3855	pThis->fDMAPosition = RT_BOOL(HDA_REG(pThis, DPLBASE) & RT_BIT_32(0));
3856
3857	/*
3858	* Load BDLEs (Buffer Descriptor List Entries) and DMA counters.
3859	*
3860	* Note: Saved states < v5 store LVI (u32BdleMaxCvi) for
3861	* every BDLE state, whereas it only needs to be stored
3862	* once for every stream. Most of the BDLE state we can
3863	* get out of the registers anyway, so just ignore those values.
3864	*
3865	* Also, only the current BDLE was saved, regardless whether
3866	* there were more than one (and there are at least two entries,
3867	* according to the spec).
3868	*/
3869	switch (uVersion)
3870	{
3871	case HDA_SAVED_STATE_VERSION_1:
3872	case HDA_SAVED_STATE_VERSION_2:
3873	case HDA_SAVED_STATE_VERSION_3:
3874	case HDA_SAVED_STATE_VERSION_4:
3875	{
3876	/* Only load the internal states.
3877	* The rest will be initialized from the saved registers later. */
3878
3879	/* Note 1: Only the current BDLE for a stream was saved! */
3880	/* Note 2: The stream's saving order is/was fixed, so don't touch! */
3881
3882	HDABDLELEGACY BDLE;
3883
3884	/* Output */
3885	PHDASTREAM pStreamShared = &pThis->aStreams[4];
3886	rc = hdaR3StreamSetUp(pDevIns, pThis, pStreamShared, &pThisCC->aStreams[4], 4 /* Stream descriptor, hardcoded */);
3887	AssertRCReturn(rc, rc);
3888	RT_ZERO(BDLE);
3889	rc = pHlp->pfnSSMGetStructEx(pSSM, &BDLE, sizeof(BDLE), 0 /* fFlags */, g_aSSMStreamBdleFields1234, pDevIns);
3890	AssertRCReturn(rc, rc);
3891	pStreamShared->State.idxCurBdle = (uint8_t)BDLE.State.u32BDLIndex; /* not necessary */
3892
3893	/* Microphone-In */
3894	pStreamShared = &pThis->aStreams[2];
3895	rc = hdaR3StreamSetUp(pDevIns, pThis, pStreamShared, &pThisCC->aStreams[2], 2 /* Stream descriptor, hardcoded */);
3896	AssertRCReturn(rc, rc);
3897	rc = pHlp->pfnSSMGetStructEx(pSSM, &BDLE, sizeof(BDLE), 0 /* fFlags */, g_aSSMStreamBdleFields1234, pDevIns);
3898	AssertRCReturn(rc, rc);
3899	pStreamShared->State.idxCurBdle = (uint8_t)BDLE.State.u32BDLIndex; /* not necessary */
3900
3901	/* Line-In */
3902	pStreamShared = &pThis->aStreams[0];
3903	rc = hdaR3StreamSetUp(pDevIns, pThis, pStreamShared, &pThisCC->aStreams[0], 0 /* Stream descriptor, hardcoded */);
3904	AssertRCReturn(rc, rc);
3905	rc = pHlp->pfnSSMGetStructEx(pSSM, &BDLE, sizeof(BDLE), 0 /* fFlags */, g_aSSMStreamBdleFields1234, pDevIns);
3906	AssertRCReturn(rc, rc);
3907	pStreamShared->State.idxCurBdle = (uint8_t)BDLE.State.u32BDLIndex; /* not necessary */
3908	break;
3909	}
3910
3911	/*
3912	* v5 & v6 - Since v5 we support flexible stream and BDLE counts.
3913	*/
3914	default:
3915	{
3916	/* Stream count. */
3917	uint32_t cStreams;
3918	rc = pHlp->pfnSSMGetU32(pSSM, &cStreams);
3919	AssertRCReturn(rc, rc);
3920	if (cStreams > HDA_MAX_STREAMS)
3921	return pHlp->pfnSSMSetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
3922	N_("State contains %u streams while %u is the maximum supported"),
3923	cStreams, HDA_MAX_STREAMS);
3924
3925	/* Load stream states. */
3926	for (uint32_t i = 0; i < cStreams; i++)
3927	{
3928	uint8_t idStream;
3929	rc = pHlp->pfnSSMGetU8(pSSM, &idStream);
3930	AssertRCReturn(rc, rc);
3931
3932	HDASTREAM StreamDummyShared;
3933	HDASTREAMR3 StreamDummyR3;
3934	PHDASTREAM pStreamShared = idStream < RT_ELEMENTS(pThis->aStreams) ? &pThis->aStreams[idStream] : &StreamDummyShared;
3935	PHDASTREAMR3 pStreamR3 = idStream < RT_ELEMENTS(pThisCC->aStreams) ? &pThisCC->aStreams[idStream] : &StreamDummyR3;
3936	AssertLogRelMsgStmt(idStream < RT_ELEMENTS(pThisCC->aStreams),
3937	("HDA stream ID=%RU8 not supported, skipping loadingit ...\n", idStream),
3938	RT_ZERO(StreamDummyShared); RT_ZERO(StreamDummyR3));
3939
3940	rc = hdaR3StreamSetUp(pDevIns, pThis, pStreamShared, pStreamR3, idStream);
3941	if (RT_FAILURE(rc))
3942	{
3943	LogRel(("HDA: Stream #%RU32: Setting up of stream %RU8 failed, rc=%Rrc\n", i, idStream, rc));
3944	break;
3945	}
3946
3947	/*
3948	* Load BDLEs (Buffer Descriptor List Entries) and DMA counters.
3949	*/
3950	if (uVersion == HDA_SAVED_STATE_VERSION_5)
3951	{
3952	struct V5HDASTREAMSTATE /* HDASTREAMSTATE + HDABDLE */
3953	{
3954	uint16_t cBLDEs;
3955	uint16_t uCurBDLE;
3956	uint32_t u32BDLEIndex;
3957	uint32_t cbBelowFIFOW;
3958	uint32_t u32BufOff;
3959	} Tmp;
3960	static SSMFIELD const g_aV5State1Fields[] =
3961	{
3962	SSMFIELD_ENTRY(V5HDASTREAMSTATE, cBLDEs),
3963	SSMFIELD_ENTRY(V5HDASTREAMSTATE, uCurBDLE),
3964	SSMFIELD_ENTRY_TERM()
3965	};
3966	rc = pHlp->pfnSSMGetStructEx(pSSM, &Tmp, sizeof(Tmp), 0 /* fFlags */, g_aV5State1Fields, NULL);
3967	AssertRCReturn(rc, rc);
3968	pStreamShared->State.idxCurBdle = (uint8_t)Tmp.uCurBDLE; /* not necessary */
3969
3970	for (uint16_t a = 0; a < Tmp.cBLDEs; a++)
3971	{
3972	static SSMFIELD const g_aV5State2Fields[] =
3973	{
3974	SSMFIELD_ENTRY(V5HDASTREAMSTATE, u32BDLEIndex),
3975	SSMFIELD_ENTRY_OLD(au8FIFO, 256),
3976	SSMFIELD_ENTRY(V5HDASTREAMSTATE, cbBelowFIFOW),
3977	SSMFIELD_ENTRY_TERM()
3978	};
3979	rc = pHlp->pfnSSMGetStructEx(pSSM, &Tmp, sizeof(Tmp), 0 /* fFlags */, g_aV5State2Fields, NULL);
3980	AssertRCReturn(rc, rc);
3981	}
3982	}
3983	else
3984	{
3985	rc = pHlp->pfnSSMGetStructEx(pSSM, &pStreamShared->State, sizeof(HDASTREAMSTATE),
3986	0 /* fFlags */, g_aSSMStreamStateFields6, NULL);
3987	AssertRCReturn(rc, rc);
3988
3989	HDABDLEDESC IgnDesc;
3990	rc = pHlp->pfnSSMGetStructEx(pSSM, &IgnDesc, sizeof(IgnDesc), 0 /* fFlags */, g_aSSMBDLEDescFields6, pDevIns);
3991	AssertRCReturn(rc, rc);
3992
3993	HDABDLESTATELEGACY IgnState;
3994	rc = pHlp->pfnSSMGetStructEx(pSSM, &IgnState, sizeof(IgnState), 0 /* fFlags */, g_aSSMBDLEStateFields6, NULL);
3995	AssertRCReturn(rc, rc);
3996
3997	Log2Func(("[SD%RU8] LPIB=%RU32, CBL=%RU32, LVI=%RU32\n", idStream, HDA_STREAM_REG(pThis, LPIB, idStream),
3998	HDA_STREAM_REG(pThis, CBL, idStream), HDA_STREAM_REG(pThis, LVI, idStream)));
3999	#ifdef LOG_ENABLED
4000	hdaR3BDLEDumpAll(pDevIns, pThis, pStreamShared->u64BDLBase, pStreamShared->u16LVI + 1);
4001	#endif
4002	}
4003
4004	} /* for cStreams */
4005	break;
4006	} /* default */
4007	}
4008
4009	return rc;
4010	}
4011
4012	/**
4013	* @callback_method_impl{FNSSMDEVLOADEXEC}
4014	*/
4015	static DECLCALLBACK(int) hdaR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
4016	{
4017	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4018	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4019	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
4020
4021	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
4022
4023	LogRel2(("hdaR3LoadExec: uVersion=%RU32, uPass=0x%x\n", uVersion, uPass));
4024
4025	/*
4026	* Load Codec nodes states.
4027	*/
4028	int rc = hdaR3CodecLoadState(pDevIns, &pThisCC->Codec, pSSM, uVersion);
4029	if (RT_FAILURE(rc))
4030	{
4031	LogRel(("HDA: Failed loading codec state (version %RU32, pass 0x%x), rc=%Rrc\n", uVersion, uPass, rc));
4032	return rc;
4033	}
4034
4035	if (uVersion <= HDA_SAVED_STATE_VERSION_6) /* Handle older saved states? */
4036	return hdaR3LoadExecLegacy(pDevIns, pThis, pThisCC, pSSM, uVersion);
4037
4038	/*
4039	* Load MMIO registers.
4040	*/
4041	uint32_t cRegs;
4042	rc = pHlp->pfnSSMGetU32(pSSM, &cRegs); AssertRCReturn(rc, rc);
4043	AssertRCReturn(rc, rc);
4044	if (cRegs != RT_ELEMENTS(pThis->au32Regs))
4045	LogRel(("HDA: SSM version cRegs is %RU32, expected %RU32\n", cRegs, RT_ELEMENTS(pThis->au32Regs)));
4046
4047	if (cRegs >= RT_ELEMENTS(pThis->au32Regs))
4048	{
4049	pHlp->pfnSSMGetMem(pSSM, pThis->au32Regs, sizeof(pThis->au32Regs));
4050	rc = pHlp->pfnSSMSkip(pSSM, sizeof(uint32_t) * (cRegs - RT_ELEMENTS(pThis->au32Regs)));
4051	AssertRCReturn(rc, rc);
4052	}
4053	else
4054	{
4055	rc = pHlp->pfnSSMGetMem(pSSM, pThis->au32Regs, sizeof(uint32_t) * cRegs);
4056	AssertRCReturn(rc, rc);
4057	}
4058
4059	/* Make sure to update the base addresses first before initializing any streams down below. */
4060	pThis->u64CORBBase = RT_MAKE_U64(HDA_REG(pThis, CORBLBASE), HDA_REG(pThis, CORBUBASE));
4061	pThis->u64RIRBBase = RT_MAKE_U64(HDA_REG(pThis, RIRBLBASE), HDA_REG(pThis, RIRBUBASE));
4062	pThis->u64DPBase = RT_MAKE_U64(HDA_REG(pThis, DPLBASE) & DPBASE_ADDR_MASK, HDA_REG(pThis, DPUBASE));
4063
4064	/* Also make sure to update the DMA position bit if this was enabled when saving the state. */
4065	pThis->fDMAPosition = RT_BOOL(HDA_REG(pThis, DPLBASE) & RT_BIT_32(0));
4066
4067	/*
4068	* Load controller-specific internals.
4069	*/
4070	if ( uVersion >= HDA_SAVED_STATE_WITHOUT_PERIOD
4071	/* Don't annoy other team mates (forgot this for state v7): */
4072	\|\| pHlp->pfnSSMHandleRevision(pSSM) >= 116273
4073	\|\| pHlp->pfnSSMHandleVersion(pSSM) >= VBOX_FULL_VERSION_MAKE(5, 2, 0))
4074	{
4075	pHlp->pfnSSMGetU64(pSSM, &pThis->tsWalClkStart); /* Was current wall clock */
4076	rc = pHlp->pfnSSMGetU8(pSSM, &pThis->u8IRQL);
4077	AssertRCReturn(rc, rc);
4078
4079	/* Convert the saved wall clock timestamp to a start timestamp. */
4080	if (uVersion < HDA_SAVED_STATE_WITHOUT_PERIOD && pThis->tsWalClkStart != 0)
4081	{
4082	uint64_t const cTimerTicksPerSec = PDMDevHlpTimerGetFreq(pDevIns, pThis->aStreams[0].hTimer);
4083	AssertLogRel(cTimerTicksPerSec <= UINT32_MAX);
4084	pThis->tsWalClkStart = ASMMultU64ByU32DivByU32(pThis->tsWalClkStart,
4085	cTimerTicksPerSec,
4086	24000000 /* wall clock freq */);
4087	pThis->tsWalClkStart = PDMDevHlpTimerGet(pDevIns, pThis->aStreams[0].hTimer) - pThis->tsWalClkStart;
4088	}
4089	}
4090
4091	/*
4092	* Load streams.
4093	*/
4094	uint32_t cStreams;
4095	rc = pHlp->pfnSSMGetU32(pSSM, &cStreams);
4096	AssertRCReturn(rc, rc);
4097	if (cStreams > HDA_MAX_STREAMS)
4098	return pHlp->pfnSSMSetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
4099	N_("State contains %u streams while %u is the maximum supported"),
4100	cStreams, HDA_MAX_STREAMS);
4101	Log2Func(("cStreams=%RU32\n", cStreams));
4102
4103	/* Load stream states. */
4104	for (uint32_t i = 0; i < cStreams; i++)
4105	{
4106	uint8_t idStream;
4107	rc = pHlp->pfnSSMGetU8(pSSM, &idStream);
4108	AssertRCReturn(rc, rc);
4109
4110	/* Paranoia. */
4111	AssertLogRelMsgReturn(idStream < HDA_MAX_STREAMS,
4112	("HDA: Saved state contains bogus stream ID %RU8 for stream #%RU8", idStream, i),
4113	VERR_SSM_INVALID_STATE);
4114
4115	HDASTREAM StreamDummyShared;
4116	HDASTREAMR3 StreamDummyR3;
4117	PHDASTREAM pStreamShared = idStream < RT_ELEMENTS(pThis->aStreams) ? &pThis->aStreams[idStream] : &StreamDummyShared;
4118	PHDASTREAMR3 pStreamR3 = idStream < RT_ELEMENTS(pThisCC->aStreams) ? &pThisCC->aStreams[idStream] : &StreamDummyR3;
4119	AssertLogRelMsgStmt(idStream < RT_ELEMENTS(pThisCC->aStreams),
4120	("HDA stream ID=%RU8 not supported, skipping loadingit ...\n", idStream),
4121	RT_ZERO(StreamDummyShared); RT_ZERO(StreamDummyR3));
4122
4123	rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED); /* timer code requires this */
4124	AssertRCReturn(rc, rc);
4125	rc = hdaR3StreamSetUp(pDevIns, pThis, pStreamShared, pStreamR3, idStream);
4126	PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect);
4127	if (RT_FAILURE(rc))
4128	{
4129	LogRel(("HDA: Stream #%RU8: Setting up failed, rc=%Rrc\n", idStream, rc));
4130	/* Continue. */
4131	}
4132
4133	rc = pHlp->pfnSSMGetStructEx(pSSM, &pStreamShared->State, sizeof(HDASTREAMSTATE),
4134	0 /* fFlags */, g_aSSMStreamStateFields7, NULL);
4135	AssertRCReturn(rc, rc);
4136
4137	/*
4138	* Load BDLEs (Buffer Descriptor List Entries) and DMA counters.
4139	* Obsolete. Derived from LPID now.
4140	*/
4141	HDABDLEDESC IgnDesc;
4142	rc = pHlp->pfnSSMGetStructEx(pSSM, &IgnDesc, sizeof(IgnDesc), 0 /* fFlags */, g_aSSMBDLEDescFields7, NULL);
4143	AssertRCReturn(rc, rc);
4144
4145	HDABDLESTATELEGACY IgnState;
4146	rc = pHlp->pfnSSMGetStructEx(pSSM, &IgnState, sizeof(IgnState), 0 /* fFlags */, g_aSSMBDLEStateFields7, NULL);
4147	AssertRCReturn(rc, rc);
4148
4149	Log2Func(("[SD%RU8]\n", pStreamShared->u8SD));
4150
4151	/*
4152	* Load period state if present.
4153	*/
4154	if (uVersion < HDA_SAVED_STATE_WITHOUT_PERIOD)
4155	{
4156	static SSMFIELD const s_aSSMStreamPeriodFields7[] = /* For the removed HDASTREAMPERIOD structure. */
4157	{
4158	SSMFIELD_ENTRY_OLD(u64StartWalClk, sizeof(uint64_t)),
4159	SSMFIELD_ENTRY_OLD(u64ElapsedWalClk, sizeof(uint64_t)),
4160	SSMFIELD_ENTRY_OLD(cFramesTransferred, sizeof(uint32_t)),
4161	SSMFIELD_ENTRY_OLD(cIntPending, sizeof(uint8_t)), /** @todo Not sure what we should for non-zero values on restore... ignoring it for now. */
4162	SSMFIELD_ENTRY_TERM()
4163	};
4164	uint8_t bWhatever = 0;
4165	rc = pHlp->pfnSSMGetStructEx(pSSM, &bWhatever, sizeof(bWhatever), 0 /* fFlags */, s_aSSMStreamPeriodFields7, NULL);
4166	AssertRCReturn(rc, rc);
4167	}
4168
4169	/*
4170	* Load internal DMA buffer.
4171	*/
4172	uint32_t cbCircBuf = 0;
4173	pHlp->pfnSSMGetU32(pSSM, &cbCircBuf); /* cbCircBuf */
4174	uint32_t cbCircBufUsed = 0;
4175	rc = pHlp->pfnSSMGetU32(pSSM, &cbCircBufUsed); /* cbCircBuf */
4176	AssertRCReturn(rc, rc);
4177
4178	if (cbCircBuf) /* If 0, skip the buffer. */
4179	{
4180	/* Paranoia. */
4181	AssertLogRelMsgReturn(cbCircBuf <= _32M,
4182	("HDA: Saved state contains bogus DMA buffer size (%RU32) for stream #%RU8",
4183	cbCircBuf, idStream),
4184	VERR_SSM_DATA_UNIT_FORMAT_CHANGED);
4185	AssertLogRelMsgReturn(cbCircBufUsed <= cbCircBuf,
4186	("HDA: Saved state contains invalid DMA buffer usage (%RU32/%RU32) for stream #%RU8",
4187	cbCircBufUsed, cbCircBuf, idStream),
4188	VERR_SSM_DATA_UNIT_FORMAT_CHANGED);
4189
4190	/* Do we need to cre-create the circular buffer do fit the data size? */
4191	if ( pStreamR3->State.pCircBuf
4192	&& cbCircBuf != (uint32_t)RTCircBufSize(pStreamR3->State.pCircBuf))
4193	{
4194	RTCircBufDestroy(pStreamR3->State.pCircBuf);
4195	pStreamR3->State.pCircBuf = NULL;
4196	}
4197
4198	rc = RTCircBufCreate(&pStreamR3->State.pCircBuf, cbCircBuf);
4199	AssertRCReturn(rc, rc);
4200	pStreamR3->State.StatDmaBufSize = cbCircBuf;
4201
4202	if (cbCircBufUsed)
4203	{
4204	void *pvBuf = NULL;
4205	size_t cbBuf = 0;
4206	RTCircBufAcquireWriteBlock(pStreamR3->State.pCircBuf, cbCircBufUsed, &pvBuf, &cbBuf);
4207
4208	AssertLogRelMsgReturn(cbBuf == cbCircBufUsed, ("cbBuf=%zu cbCircBufUsed=%zu\n", cbBuf, cbCircBufUsed),
4209	VERR_INTERNAL_ERROR_3);
4210	rc = pHlp->pfnSSMGetMem(pSSM, pvBuf, cbBuf);
4211	AssertRCReturn(rc, rc);
4212	pStreamShared->State.offWrite = cbCircBufUsed;
4213
4214	RTCircBufReleaseWriteBlock(pStreamR3->State.pCircBuf, cbBuf);
4215
4216	Assert(cbBuf == cbCircBufUsed);
4217	}
4218	}
4219
4220	Log2Func(("[SD%RU8] LPIB=%RU32, CBL=%RU32, LVI=%RU32\n", idStream, HDA_STREAM_REG(pThis, LPIB, idStream),
4221	HDA_STREAM_REG(pThis, CBL, idStream), HDA_STREAM_REG(pThis, LVI, idStream)));
4222	#ifdef LOG_ENABLED
4223	hdaR3BDLEDumpAll(pDevIns, pThis, pStreamShared->u64BDLBase, pStreamShared->u16LVI + 1);
4224	#endif
4225	/** @todo (Re-)initialize active periods? */
4226
4227	} /* for cStreams */
4228
4229	LogFlowFuncLeaveRC(rc);
4230	return rc;
4231	}
4232
4233
4234	/*********************************************************************************************************************************
4235	* IPRT format type handlers *
4236	*********************************************************************************************************************************/
4237
4238	/**
4239	* @callback_method_impl{FNRTSTRFORMATTYPE}
4240	*/
4241	static DECLCALLBACK(size_t) hdaR3StrFmtSDCTL(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4242	const char pszType, void const pvValue,
4243	int cchWidth, int cchPrecision, unsigned fFlags,
4244	void *pvUser)
4245	{
4246	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4247	uint32_t uSDCTL = (uint32_t)(uintptr_t)pvValue;
4248	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
4249	"SDCTL(raw:%#x, DIR:%s, TP:%RTbool, STRIPE:%x, DEIE:%RTbool, FEIE:%RTbool, IOCE:%RTbool, RUN:%RTbool, RESET:%RTbool)",
4250	uSDCTL,
4251	uSDCTL & HDA_SDCTL_DIR ? "OUT" : "IN",
4252	RT_BOOL(uSDCTL & HDA_SDCTL_TP),
4253	(uSDCTL & HDA_SDCTL_STRIPE_MASK) >> HDA_SDCTL_STRIPE_SHIFT,
4254	RT_BOOL(uSDCTL & HDA_SDCTL_DEIE),
4255	RT_BOOL(uSDCTL & HDA_SDCTL_FEIE),
4256	RT_BOOL(uSDCTL & HDA_SDCTL_IOCE),
4257	RT_BOOL(uSDCTL & HDA_SDCTL_RUN),
4258	RT_BOOL(uSDCTL & HDA_SDCTL_SRST));
4259	}
4260
4261	/**
4262	* @callback_method_impl{FNRTSTRFORMATTYPE}
4263	*/
4264	static DECLCALLBACK(size_t) hdaR3StrFmtSDFIFOS(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4265	const char pszType, void const pvValue,
4266	int cchWidth, int cchPrecision, unsigned fFlags,
4267	void *pvUser)
4268	{
4269	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4270	uint32_t uSDFIFOS = (uint32_t)(uintptr_t)pvValue;
4271	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "SDFIFOS(raw:%#x, sdfifos:%RU8 B)", uSDFIFOS, uSDFIFOS ? uSDFIFOS + 1 : 0);
4272	}
4273
4274	/**
4275	* @callback_method_impl{FNRTSTRFORMATTYPE}
4276	*/
4277	static DECLCALLBACK(size_t) hdaR3StrFmtSDFIFOW(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4278	const char pszType, void const pvValue,
4279	int cchWidth, int cchPrecision, unsigned fFlags,
4280	void *pvUser)
4281	{
4282	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4283	uint32_t uSDFIFOW = (uint32_t)(uintptr_t)pvValue;
4284	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "SDFIFOW(raw: %#0x, sdfifow:%d B)", uSDFIFOW, hdaSDFIFOWToBytes(uSDFIFOW));
4285	}
4286
4287	/**
4288	* @callback_method_impl{FNRTSTRFORMATTYPE}
4289	*/
4290	static DECLCALLBACK(size_t) hdaR3StrFmtSDSTS(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
4291	const char pszType, void const pvValue,
4292	int cchWidth, int cchPrecision, unsigned fFlags,
4293	void *pvUser)
4294	{
4295	RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
4296	uint32_t uSdSts = (uint32_t)(uintptr_t)pvValue;
4297	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
4298	"SDSTS(raw:%#0x, fifordy:%RTbool, dese:%RTbool, fifoe:%RTbool, bcis:%RTbool)",
4299	uSdSts,
4300	RT_BOOL(uSdSts & HDA_SDSTS_FIFORDY),
4301	RT_BOOL(uSdSts & HDA_SDSTS_DESE),
4302	RT_BOOL(uSdSts & HDA_SDSTS_FIFOE),
4303	RT_BOOL(uSdSts & HDA_SDSTS_BCIS));
4304	}
4305
4306
4307	/*********************************************************************************************************************************
4308	* Debug Info Item Handlers *
4309	*********************************************************************************************************************************/
4310
4311	/** Worker for hdaR3DbgInfo. */
4312	static int hdaR3DbgLookupRegByName(const char *pszArgs)
4313	{
4314	if (pszArgs && *pszArgs != '\0')
4315	for (int iReg = 0; iReg < HDA_NUM_REGS; ++iReg)
4316	if (!RTStrICmp(g_aHdaRegMap[iReg].pszName, pszArgs))
4317	return iReg;
4318	return -1;
4319	}
4320
4321	/** Worker for hdaR3DbgInfo. */
4322	static void hdaR3DbgPrintRegister(PPDMDEVINS pDevIns, PHDASTATE pThis, PCDBGFINFOHLP pHlp, int iHdaIndex)
4323	{
4324	/** @todo HDA_REG_IDX_NOMEM & GCAP both uses idxReg zero, no flag or anything
4325	* to tell them appart. */
4326	if (g_aHdaRegMap[iHdaIndex].idxReg != 0 \|\| g_aHdaRegMap[iHdaIndex].pfnRead != hdaRegReadWALCLK)
4327	pHlp->pfnPrintf(pHlp, "%s: 0x%x\n", g_aHdaRegMap[iHdaIndex].pszName, pThis->au32Regs[g_aHdaRegMap[iHdaIndex].idxReg]);
4328	else
4329	{
4330	uint64_t uWallNow = 0;
4331	hdaQueryWallClock(pDevIns, pThis, false /fDoDma/, &uWallNow);
4332	pHlp->pfnPrintf(pHlp, "%s: 0x%RX64\n", g_aHdaRegMap[iHdaIndex].pszName, uWallNow);
4333	}
4334	}
4335
4336	/**
4337	* @callback_method_impl{FNDBGFHANDLERDEV}
4338	*/
4339	static DECLCALLBACK(void) hdaR3DbgInfo(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4340	{
4341	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4342	int idxReg = hdaR3DbgLookupRegByName(pszArgs);
4343	if (idxReg != -1)
4344	hdaR3DbgPrintRegister(pDevIns, pThis, pHlp, idxReg);
4345	else
4346	for (idxReg = 0; idxReg < HDA_NUM_REGS; ++idxReg)
4347	hdaR3DbgPrintRegister(pDevIns, pThis, pHlp, idxReg);
4348	}
4349
4350	/** Worker for hdaR3DbgInfoStream. */
4351	static void hdaR3DbgPrintStream(PHDASTATE pThis, PCDBGFINFOHLP pHlp, int idxStream)
4352	{
4353	char szTmp[PDMAUDIOSTRMCFGTOSTRING_MAX];
4354	PHDASTREAM const pStream = &pThis->aStreams[idxStream];
4355	pHlp->pfnPrintf(pHlp, "Stream #%d: %s\n", idxStream, PDMAudioStrmCfgToString(&pStream->State.Cfg, szTmp, sizeof(szTmp)));
4356	pHlp->pfnPrintf(pHlp, " SD%dCTL : %R[sdctl]\n", idxStream, HDA_STREAM_REG(pThis, CTL, idxStream));
4357	pHlp->pfnPrintf(pHlp, " SD%dCTS : %R[sdsts]\n", idxStream, HDA_STREAM_REG(pThis, STS, idxStream));
4358	pHlp->pfnPrintf(pHlp, " SD%dFIFOS: %R[sdfifos]\n", idxStream, HDA_STREAM_REG(pThis, FIFOS, idxStream));
4359	pHlp->pfnPrintf(pHlp, " SD%dFIFOW: %R[sdfifow]\n", idxStream, HDA_STREAM_REG(pThis, FIFOW, idxStream));
4360	pHlp->pfnPrintf(pHlp, " Current BDLE%02u: %s%#RX64 LB %#x%s - off=%#x\n", pStream->State.idxCurBdle, "%%" /vboxdbg phys prefix/,
4361	pStream->State.aBdl[pStream->State.idxCurBdle].GCPhys, pStream->State.aBdl[pStream->State.idxCurBdle].cb,
4362	pStream->State.aBdl[pStream->State.idxCurBdle].fFlags ? " IOC" : "", pStream->State.offCurBdle);
4363	}
4364
4365	/** Worker for hdaR3DbgInfoBDL. */
4366	static void hdaR3DbgPrintBDL(PPDMDEVINS pDevIns, PHDASTATE pThis, PCDBGFINFOHLP pHlp, int idxStream)
4367	{
4368	const PHDASTREAM pStream = &pThis->aStreams[idxStream];
4369	PCPDMAUDIOPCMPROPS pProps = &pStream->State.Cfg.Props;
4370	uint64_t const u64BaseDMA = RT_MAKE_U64(HDA_STREAM_REG(pThis, BDPL, idxStream),
4371	HDA_STREAM_REG(pThis, BDPU, idxStream));
4372	uint16_t const u16LVI = HDA_STREAM_REG(pThis, LVI, idxStream);
4373	uint32_t const u32CBL = HDA_STREAM_REG(pThis, CBL, idxStream);
4374	uint8_t const idxCurBdle = pStream->State.idxCurBdle;
4375	pHlp->pfnPrintf(pHlp, "Stream #%d BDL: %s%#011RX64 LB %#x (LVI=%u)\n", idxStream, "%%" /vboxdbg phys prefix/,
4376	u64BaseDMA, u16LVI * sizeof(HDABDLEDESC), u16LVI);
4377	if (u64BaseDMA \|\| idxCurBdle != 0 \|\| pStream->State.aBdl[idxCurBdle].GCPhys != 0 \|\| pStream->State.aBdl[idxCurBdle].cb != 0)
4378	pHlp->pfnPrintf(pHlp, " Current: BDLE%03u: %s%#011RX64 LB %#x%s - off=%#x LPIB=%#RX32\n",
4379	pStream->State.idxCurBdle, "%%" /vboxdbg phys prefix/,
4380	pStream->State.aBdl[idxCurBdle].GCPhys, pStream->State.aBdl[idxCurBdle].cb,
4381	pStream->State.aBdl[idxCurBdle].fFlags ? " IOC" : "", pStream->State.offCurBdle,
4382	HDA_STREAM_REG(pThis, LPIB, idxStream));
4383	if (!u64BaseDMA)
4384	return;
4385
4386	/*
4387	* The BDL:
4388	*/
4389	uint64_t cbTotal = 0;
4390	for (uint16_t i = 0; i < u16LVI + 1; i++)
4391	{
4392	HDABDLEDESC bd = {0, 0, 0};
4393	PDMDevHlpPCIPhysRead(pDevIns, u64BaseDMA + i * sizeof(HDABDLEDESC), &bd, sizeof(bd));
4394
4395	char szFlags[64];
4396	szFlags[0] = '\0';
4397	if (bd.fFlags & ~HDA_BDLE_F_IOC)
4398	RTStrPrintf(szFlags, sizeof(szFlags), " !!fFlags=%#x!!\n", bd.fFlags);
4399	pHlp->pfnPrintf(pHlp, " %sBDLE%03u: %s%#011RX64 LB %#06x (%RU64 us) %s%s\n", idxCurBdle == i ? "=>" : " ", i, "%%",
4400	bd.u64BufAddr, bd.u32BufSize, PDMAudioPropsBytesToMicro(pProps, bd.u32BufSize),
4401	bd.fFlags & HDA_BDLE_F_IOC ? " IOC=1" : "", szFlags);
4402
4403	if (memcmp(&bd, &pStream->State.aBdl[i], sizeof(bd)) != 0)
4404	{
4405	szFlags[0] = '\0';
4406	if (bd.fFlags & ~HDA_BDLE_F_IOC)
4407	RTStrPrintf(szFlags, sizeof(szFlags), " !!fFlags=%#x!!\n", bd.fFlags);
4408	pHlp->pfnPrintf(pHlp, " !!!loaded: %s%#011RX64 LB %#06x %s%s\n", "%%", pStream->State.aBdl[i].GCPhys,
4409	pStream->State.aBdl[i].cb, pStream->State.aBdl[i].fFlags & HDA_BDLE_F_IOC ? " IOC=1" : "", szFlags);
4410	}
4411
4412	cbTotal += bd.u32BufSize;
4413	}
4414	pHlp->pfnPrintf(pHlp, " Total: %#RX64 bytes (%RU64), %RU64 ms\n", cbTotal, cbTotal,
4415	PDMAudioPropsBytesToMilli(pProps, (uint32_t)cbTotal));
4416	if (cbTotal != u32CBL)
4417	pHlp->pfnPrintf(pHlp, " Warning: %#RX64 bytes does not match CBL (%#RX64)!\n", cbTotal, u32CBL);
4418
4419	/*
4420	* The scheduling plan.
4421	*/
4422	uint16_t const idxSchedule = pStream->State.idxSchedule;
4423	pHlp->pfnPrintf(pHlp, " Scheduling: %u items, %u prologue. Current: %u, loop %u.\n", pStream->State.cSchedule,
4424	pStream->State.cSchedulePrologue, idxSchedule, pStream->State.idxScheduleLoop);
4425	for (uint16_t i = 0; i < pStream->State.cSchedule; i++)
4426	pHlp->pfnPrintf(pHlp, " %s#%02u: %#x bytes, %u loop%s, %RU32 ticks. BDLE%u thru BDLE%u\n",
4427	i == idxSchedule ? "=>" : " ", i,
4428	pStream->State.aSchedule[i].cbPeriod, pStream->State.aSchedule[i].cLoops,
4429	pStream->State.aSchedule[i].cLoops == 1 ? "" : "s",
4430	pStream->State.aSchedule[i].cPeriodTicks, pStream->State.aSchedule[i].idxFirst,
4431	pStream->State.aSchedule[i].idxFirst + pStream->State.aSchedule[i].cEntries - 1);
4432	}
4433
4434	/** Used by hdaR3DbgInfoStream and hdaR3DbgInfoBDL. */
4435	static int hdaR3DbgLookupStrmIdx(PCDBGFINFOHLP pHlp, const char *pszArgs)
4436	{
4437	if (pszArgs && *pszArgs)
4438	{
4439	int32_t idxStream;
4440	int rc = RTStrToInt32Full(pszArgs, 0, &idxStream);
4441	if (RT_SUCCESS(rc) && idxStream >= -1 && idxStream < HDA_MAX_STREAMS)
4442	return idxStream;
4443	pHlp->pfnPrintf(pHlp, "Argument '%s' is not a valid stream number!\n", pszArgs);
4444	}
4445	return -1;
4446	}
4447
4448	/**
4449	* @callback_method_impl{FNDBGFHANDLERDEV, hdastream}
4450	*/
4451	static DECLCALLBACK(void) hdaR3DbgInfoStream(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4452	{
4453	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4454	int idxStream = hdaR3DbgLookupStrmIdx(pHlp, pszArgs);
4455	if (idxStream != -1)
4456	hdaR3DbgPrintStream(pThis, pHlp, idxStream);
4457	else
4458	for (idxStream = 0; idxStream < HDA_MAX_STREAMS; ++idxStream)
4459	hdaR3DbgPrintStream(pThis, pHlp, idxStream);
4460	}
4461
4462	/**
4463	* @callback_method_impl{FNDBGFHANDLERDEV, hdabdl}
4464	*/
4465	static DECLCALLBACK(void) hdaR3DbgInfoBDL(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4466	{
4467	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4468	int idxStream = hdaR3DbgLookupStrmIdx(pHlp, pszArgs);
4469	if (idxStream != -1)
4470	hdaR3DbgPrintBDL(pDevIns, pThis, pHlp, idxStream);
4471	else
4472	{
4473	for (idxStream = 0; idxStream < HDA_MAX_STREAMS; ++idxStream)
4474	hdaR3DbgPrintBDL(pDevIns, pThis, pHlp, idxStream);
4475	idxStream = -1;
4476	}
4477
4478	/*
4479	* DMA stream positions:
4480	*/
4481	uint64_t const uDPBase = pThis->u64DPBase & DPBASE_ADDR_MASK;
4482	pHlp->pfnPrintf(pHlp, "DMA counters %#011RX64 LB %#x, %s:\n", uDPBase, HDA_MAX_STREAMS * 2 * sizeof(uint32_t),
4483	pThis->fDMAPosition ? "enabled" : "disabled");
4484	if (uDPBase)
4485	{
4486	struct
4487	{
4488	uint32_t off, uReserved;
4489	} aPositions[HDA_MAX_STREAMS];
4490	RT_ZERO(aPositions);
4491	PDMDevHlpPCIPhysRead(pDevIns, uDPBase , &aPositions[0], sizeof(aPositions));
4492
4493	for (unsigned i = 0; i < RT_ELEMENTS(aPositions); i++)
4494	if (idxStream == -1 \|\| i == (unsigned)idxStream) /* lazy bird */
4495	{
4496	char szReserved[64];
4497	szReserved[0] = '\0';
4498	if (aPositions[i].uReserved != 0)
4499	RTStrPrintf(szReserved, sizeof(szReserved), " reserved=%#x", aPositions[i].uReserved);
4500	pHlp->pfnPrintf(pHlp, " Stream #%u DMA @ %#x%s\n", i, aPositions[i].off, szReserved);
4501	}
4502	}
4503	}
4504
4505	/**
4506	* @callback_method_impl{FNDBGFHANDLERDEV, hdcnodes}
4507	*/
4508	static DECLCALLBACK(void) hdaR3DbgInfoCodecNodes(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4509	{
4510	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4511	hdaR3CodecDbgListNodes(&pThisCC->Codec, pHlp, pszArgs);
4512	}
4513
4514	/**
4515	* @callback_method_impl{FNDBGFHANDLERDEV, hdcselector}
4516	*/
4517	static DECLCALLBACK(void) hdaR3DbgInfoCodecSelector(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4518	{
4519	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4520	hdaR3CodecDbgSelector(&pThisCC->Codec, pHlp, pszArgs);
4521	}
4522
4523	/**
4524	* @callback_method_impl{FNDBGFHANDLERDEV, hdamixer}
4525	*/
4526	static DECLCALLBACK(void) hdaR3DbgInfoMixer(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
4527	{
4528	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4529	if (pThisCC->pMixer)
4530	AudioMixerDebug(pThisCC->pMixer, pHlp, pszArgs);
4531	else
4532	pHlp->pfnPrintf(pHlp, "Mixer not available\n");
4533	}
4534
4535
4536	/*********************************************************************************************************************************
4537	* PDMIBASE *
4538	*********************************************************************************************************************************/
4539
4540	/**
4541	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
4542	*/
4543	static DECLCALLBACK(void ) hdaR3QueryInterface(struct PDMIBASE pInterface, const char *pszIID)
4544	{
4545	PHDASTATER3 pThisCC = RT_FROM_MEMBER(pInterface, HDASTATER3, IBase);
4546
4547	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThisCC->IBase);
4548	return NULL;
4549	}
4550
4551
4552	/*********************************************************************************************************************************
4553	* PDMDEVREGR3 *
4554	*********************************************************************************************************************************/
4555
4556	/**
4557	* Worker for hdaR3Construct() and hdaR3Attach().
4558	*
4559	* @returns VBox status code.
4560	* @param pDevIns The device instance.
4561	* @param pThis The shared HDA device state.
4562	* @param pThisCC The ring-3 HDA device state.
4563	* @param uLUN The logical unit which is being detached.
4564	* @param ppDrv Attached driver instance on success. Optional.
4565	*/
4566	static int hdaR3AttachInternal(PPDMDEVINS pDevIns, PHDASTATE pThis, PHDASTATER3 pThisCC, unsigned uLUN, PHDADRIVER *ppDrv)
4567	{
4568	PHDADRIVER pDrv = (PHDADRIVER)RTMemAllocZ(sizeof(HDADRIVER));
4569	AssertPtrReturn(pDrv, VERR_NO_MEMORY);
4570	RTStrPrintf(pDrv->szDesc, sizeof(pDrv->szDesc), "Audio driver port (HDA) for LUN #%u", uLUN);
4571
4572	PPDMIBASE pDrvBase;
4573	int rc = PDMDevHlpDriverAttach(pDevIns, uLUN, &pThisCC->IBase, &pDrvBase, pDrv->szDesc);
4574	if (RT_SUCCESS(rc))
4575	{
4576	pDrv->pConnector = PDMIBASE_QUERY_INTERFACE(pDrvBase, PDMIAUDIOCONNECTOR);
4577	AssertPtr(pDrv->pConnector);
4578	if (RT_VALID_PTR(pDrv->pConnector))
4579	{
4580	pDrv->pDrvBase = pDrvBase;
4581	pDrv->pHDAStateShared = pThis;
4582	pDrv->pHDAStateR3 = pThisCC;
4583	pDrv->uLUN = uLUN;
4584
4585	/* Attach to driver list if not attached yet. */
4586	if (!pDrv->fAttached)
4587	{
4588	RTListAppend(&pThisCC->lstDrv, &pDrv->Node);
4589	pDrv->fAttached = true;
4590	}
4591
4592	if (ppDrv)
4593	*ppDrv = pDrv;
4594
4595	/*
4596	* While we're here, give the windows backends a hint about our typical playback
4597	* configuration.
4598	* Note! If 48000Hz is advertised to the guest, add it here.
4599	*/
4600	if ( pDrv->pConnector
4601	&& pDrv->pConnector->pfnStreamConfigHint)
4602	{
4603	PDMAUDIOSTREAMCFG Cfg;
4604	RT_ZERO(Cfg);
4605	Cfg.enmDir = PDMAUDIODIR_OUT;
4606	Cfg.enmPath = PDMAUDIOPATH_OUT_FRONT;
4607	Cfg.Device.cMsSchedulingHint = 10;
4608	Cfg.Backend.cFramesPreBuffering = UINT32_MAX;
4609	PDMAudioPropsInit(&Cfg.Props, 2, true /fSigned/, 2, 44100);
4610	RTStrPrintf(Cfg.szName, sizeof(Cfg.szName), "output 44.1kHz 2ch S16 (HDA config hint)");
4611
4612	pDrv->pConnector->pfnStreamConfigHint(pDrv->pConnector, &Cfg); /* (may trash CfgReq) */
4613	}
4614
4615	LogFunc(("LUN#%u: returns VINF_SUCCESS (pCon=%p)\n", uLUN, pDrv->pConnector));
4616	return VINF_SUCCESS;
4617	}
4618
4619	rc = VERR_PDM_MISSING_INTERFACE_BELOW;
4620	}
4621	else if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
4622	LogFunc(("No attached driver for LUN #%u\n", uLUN));
4623	else
4624	LogFunc(("Failed attaching driver for LUN #%u: %Rrc\n", uLUN, rc));
4625	RTMemFree(pDrv);
4626
4627	LogFunc(("LUN#%u: rc=%Rrc\n", uLUN, rc));
4628	return rc;
4629	}
4630
4631
4632	/**
4633	* @interface_method_impl{PDMDEVREG,pfnAttach}
4634	*/
4635	static DECLCALLBACK(int) hdaR3Attach(PPDMDEVINS pDevIns, unsigned uLUN, uint32_t fFlags)
4636	{
4637	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4638	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4639	RT_NOREF(fFlags);
4640	LogFunc(("uLUN=%u, fFlags=0x%x\n", uLUN, fFlags));
4641
4642	DEVHDA_LOCK_RETURN(pDevIns, pThis, VERR_IGNORED);
4643
4644	PHDADRIVER pDrv;
4645	int rc = hdaR3AttachInternal(pDevIns, pThis, pThisCC, uLUN, &pDrv);
4646	if (RT_SUCCESS(rc))
4647	{
4648	int rc2 = hdaR3MixerAddDrv(pDevIns, pThisCC, pDrv);
4649	if (RT_FAILURE(rc2))
4650	LogFunc(("hdaR3MixerAddDrv failed with %Rrc (ignored)\n", rc2));
4651	}
4652
4653	DEVHDA_UNLOCK(pDevIns, pThis);
4654	return rc;
4655	}
4656
4657
4658	/**
4659	* Worker for hdaR3Detach that does all but free pDrv.
4660	*
4661	* This is called to let the device detach from a driver for a specified LUN
4662	* at runtime.
4663	*
4664	* @param pDevIns The device instance.
4665	* @param pThisCC The ring-3 HDA device state.
4666	* @param pDrv Driver to detach from device.
4667	*/
4668	static void hdaR3DetachInternal(PPDMDEVINS pDevIns, PHDASTATER3 pThisCC, PHDADRIVER pDrv)
4669	{
4670	/* Remove the driver from our list and destory it's associated streams.
4671	This also will un-set the driver as a recording source (if associated). */
4672	hdaR3MixerRemoveDrv(pDevIns, pThisCC, pDrv);
4673	LogFunc(("LUN#%u detached\n", pDrv->uLUN));
4674	}
4675
4676
4677	/**
4678	* @interface_method_impl{PDMDEVREG,pfnDetach}
4679	*/
4680	static DECLCALLBACK(void) hdaR3Detach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags)
4681	{
4682	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4683	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4684	RT_NOREF(fFlags);
4685	LogFunc(("iLUN=%u, fFlags=%#x\n", iLUN, fFlags));
4686
4687	DEVHDA_LOCK(pDevIns, pThis);
4688
4689	PHDADRIVER pDrv;
4690	RTListForEach(&pThisCC->lstDrv, pDrv, HDADRIVER, Node)
4691	{
4692	if (pDrv->uLUN == iLUN)
4693	{
4694	hdaR3DetachInternal(pDevIns, pThisCC, pDrv);
4695	RTMemFree(pDrv);
4696	DEVHDA_UNLOCK(pDevIns, pThis);
4697	return;
4698	}
4699	}
4700
4701	DEVHDA_UNLOCK(pDevIns, pThis);
4702	LogFunc(("LUN#%u was not found\n", iLUN));
4703	}
4704
4705
4706	/**
4707	* Powers off the device.
4708	*
4709	* @param pDevIns Device instance to power off.
4710	*/
4711	static DECLCALLBACK(void) hdaR3PowerOff(PPDMDEVINS pDevIns)
4712	{
4713	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4714	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4715
4716	DEVHDA_LOCK_RETURN_VOID(pDevIns, pThis);
4717
4718	LogRel2(("HDA: Powering off ...\n"));
4719
4720	/** @todo r=bird: What this "releasing references" and whatever here is
4721	* referring to, is apparently that the device is destroyed after the
4722	* drivers, so creating trouble as those structures have been torn down
4723	* already... Reverse order, like we do for power off? Need a new
4724	* PDMDEVREG flag. */
4725
4726	/* Ditto goes for the codec, which in turn uses the mixer. */
4727	hdaR3CodecPowerOff(&pThisCC->Codec);
4728
4729	/* This is to prevent us from calling into the mixer and mixer sink code
4730	after it has been destroyed below. */
4731	for (uint8_t i = 0; i < HDA_MAX_STREAMS; i++)
4732	pThisCC->aStreams[i].State.pAioRegSink = NULL; /* don't need to remove, we're destorying it. */
4733
4734	/*
4735	* Note: Destroy the mixer while powering off and not in hdaR3Destruct,
4736	* giving the mixer the chance to release any references held to
4737	* PDM audio streams it maintains.
4738	*/
4739	if (pThisCC->pMixer)
4740	{
4741	AudioMixerDestroy(pThisCC->pMixer, pDevIns);
4742	pThisCC->pMixer = NULL;
4743	}
4744
4745	DEVHDA_UNLOCK(pDevIns, pThis);
4746	}
4747
4748
4749	/**
4750	* @interface_method_impl{PDMDEVREG,pfnReset}
4751	*/
4752	static DECLCALLBACK(void) hdaR3Reset(PPDMDEVINS pDevIns)
4753	{
4754	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4755	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4756
4757	LogFlowFuncEnter();
4758
4759	DEVHDA_LOCK_RETURN_VOID(pDevIns, pThis);
4760
4761	/*
4762	* 18.2.6,7 defines that values of this registers might be cleared on power on/reset
4763	* hdaR3Reset shouldn't affects these registers.
4764	*/
4765	HDA_REG(pThis, WAKEEN) = 0x0;
4766
4767	hdaR3GCTLReset(pDevIns, pThis, pThisCC);
4768
4769	/* Indicate that HDA is not in reset. The firmware is supposed to (un)reset HDA,
4770	* but we can take a shortcut.
4771	*/
4772	HDA_REG(pThis, GCTL) = HDA_GCTL_CRST;
4773
4774	DEVHDA_UNLOCK(pDevIns, pThis);
4775	}
4776
4777
4778	/**
4779	* @interface_method_impl{PDMDEVREG,pfnDestruct}
4780	*/
4781	static DECLCALLBACK(int) hdaR3Destruct(PPDMDEVINS pDevIns)
4782	{
4783	PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns); /* this shall come first */
4784	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4785	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4786
4787	if (PDMDevHlpCritSectIsInitialized(pDevIns, &pThis->CritSect))
4788	{
4789	int rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED);
4790	AssertRC(rc);
4791	}
4792
4793	PHDADRIVER pDrv;
4794	while (!RTListIsEmpty(&pThisCC->lstDrv))
4795	{
4796	pDrv = RTListGetFirst(&pThisCC->lstDrv, HDADRIVER, Node);
4797
4798	RTListNodeRemove(&pDrv->Node);
4799	RTMemFree(pDrv);
4800	}
4801
4802	hdaCodecDestruct(&pThisCC->Codec);
4803
4804	for (uint8_t i = 0; i < HDA_MAX_STREAMS; i++)
4805	hdaR3StreamDestroy(&pThisCC->aStreams[i]);
4806
4807	/* We don't always go via PowerOff, so make sure the mixer is destroyed. */
4808	if (pThisCC->pMixer)
4809	{
4810	AudioMixerDestroy(pThisCC->pMixer, pDevIns);
4811	pThisCC->pMixer = NULL;
4812	}
4813
4814	if (PDMDevHlpCritSectIsInitialized(pDevIns, &pThis->CritSect))
4815	{
4816	PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect);
4817	PDMDevHlpCritSectDelete(pDevIns, &pThis->CritSect);
4818	}
4819	return VINF_SUCCESS;
4820	}
4821
4822
4823	/**
4824	* @interface_method_impl{PDMDEVREG,pfnConstruct}
4825	*/
4826	static DECLCALLBACK(int) hdaR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
4827	{
4828	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns); /* this shall come first */
4829	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
4830	PHDASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER3);
4831	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
4832	Assert(iInstance == 0); RT_NOREF(iInstance);
4833
4834	/*
4835	* Initialize the state sufficently to make the destructor work.
4836	*/
4837	pThis->uAlignmentCheckMagic = HDASTATE_ALIGNMENT_CHECK_MAGIC;
4838	RTListInit(&pThisCC->lstDrv);
4839	pThis->cbCorbBuf = HDA_CORB_SIZE * HDA_CORB_ELEMENT_SIZE;
4840	pThis->cbRirbBuf = HDA_RIRB_SIZE * HDA_RIRB_ELEMENT_SIZE;
4841	pThis->hCorbDmaTask = NIL_PDMTASKHANDLE;
4842
4843	/** @todo r=bird: There are probably other things which should be
4844	* initialized here before we start failing. */
4845
4846	/*
4847	* Validate and read configuration.
4848	*/
4849	PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns,
4850	"BufSizeInMs"
4851	"\|BufSizeOutMs"
4852	"\|DebugEnabled"
4853	"\|DebugPathOut"
4854	"\|DeviceName",
4855	"");
4856
4857	/** @devcfgm{hda,BufSizeInMs,uint16_t,0,2000,0,ms}
4858	* The size of the DMA buffer for input streams expressed in milliseconds. */
4859	int rc = pHlp->pfnCFGMQueryU16Def(pCfg, "BufSizeInMs", &pThis->cMsCircBufIn, 0);
4860	if (RT_FAILURE(rc))
4861	return PDMDEV_SET_ERROR(pDevIns, rc,
4862	N_("HDA configuration error: failed to read 'BufSizeInMs' as 16-bit unsigned integer"));
4863	if (pThis->cMsCircBufIn > 2000)
4864	return PDMDEV_SET_ERROR(pDevIns, VERR_OUT_OF_RANGE,
4865	N_("HDA configuration error: 'BufSizeInMs' is out of bound, max 2000 ms"));
4866
4867	/** @devcfgm{hda,BufSizeOutMs,uint16_t,0,2000,0,ms}
4868	* The size of the DMA buffer for output streams expressed in milliseconds. */
4869	rc = pHlp->pfnCFGMQueryU16Def(pCfg, "BufSizeOutMs", &pThis->cMsCircBufOut, 0);
4870	if (RT_FAILURE(rc))
4871	return PDMDEV_SET_ERROR(pDevIns, rc,
4872	N_("HDA configuration error: failed to read 'BufSizeOutMs' as 16-bit unsigned integer"));
4873	if (pThis->cMsCircBufOut > 2000)
4874	return PDMDEV_SET_ERROR(pDevIns, VERR_OUT_OF_RANGE,
4875	N_("HDA configuration error: 'BufSizeOutMs' is out of bound, max 2000 ms"));
4876
4877	rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "DebugEnabled", &pThisCC->Dbg.fEnabled, false);
4878	if (RT_FAILURE(rc))
4879	return PDMDEV_SET_ERROR(pDevIns, rc,
4880	N_("HDA configuration error: failed to read debugging enabled flag as boolean"));
4881
4882	rc = pHlp->pfnCFGMQueryStringAllocDef(pCfg, "DebugPathOut", &pThisCC->Dbg.pszOutPath, NULL);
4883	if (RT_FAILURE(rc))
4884	return PDMDEV_SET_ERROR(pDevIns, rc,
4885	N_("HDA configuration error: failed to read debugging output path flag as string"));
4886	if (pThisCC->Dbg.fEnabled)
4887	LogRel2(("HDA: Debug output will be saved to '%s'\n", pThisCC->Dbg.pszOutPath));
4888
4889	/** @devcfgm{hda,DeviceName,string}
4890	* Override the default device/vendor IDs for the emulated device:
4891	* - "" - default
4892	* - "Intel ICH6"
4893	* - "Intel Sunrise Point" - great for macOS 10.15
4894	*/
4895	char szDeviceName[32];
4896	rc = pHlp->pfnCFGMQueryStringDef(pCfg, "DeviceName", szDeviceName, sizeof(szDeviceName), "");
4897	if (RT_FAILURE(rc))
4898	return PDMDEV_SET_ERROR(pDevIns, rc, N_("HDA configuration error: failed to read 'DeviceName' name string"));
4899	enum
4900	{
4901	kDevice_Default,
4902	kDevice_IntelIch6,
4903	kDevice_IntelSunrisePoint /skylake timeframe/
4904	} enmDevice;
4905	if (strcmp(szDeviceName, "") == 0)
4906	enmDevice = kDevice_Default;
4907	else if (strcmp(szDeviceName, "Intel ICH6") == 0)
4908	enmDevice = kDevice_IntelIch6;
4909	else if (strcmp(szDeviceName, "Intel Sunrise Point") == 0)
4910	enmDevice = kDevice_IntelSunrisePoint;
4911	else
4912	return PDMDevHlpVMSetError(pDevIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
4913	N_("HDA configuration error: Unknown 'DeviceName' name '%s'"), szDeviceName);
4914
4915	/*
4916	* Use our own critical section for the device instead of the default
4917	* one provided by PDM. This allows fine-grained locking in combination
4918	* with TM when timer-specific stuff is being called in e.g. the MMIO handlers.
4919	*/
4920	rc = PDMDevHlpCritSectInit(pDevIns, &pThis->CritSect, RT_SRC_POS, "HDA");
4921	AssertRCReturn(rc, rc);
4922
4923	rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns));
4924	AssertRCReturn(rc, rc);
4925
4926	/*
4927	* Initialize data (most of it anyway).
4928	*/
4929	pThisCC->pDevIns = pDevIns;
4930	/* IBase */
4931	pThisCC->IBase.pfnQueryInterface = hdaR3QueryInterface;
4932
4933	/* PCI Device */
4934	PPDMPCIDEV pPciDev = pDevIns->apPciDevs[0];
4935	PDMPCIDEV_ASSERT_VALID(pDevIns, pPciDev);
4936
4937	switch (enmDevice)
4938	{
4939	case kDevice_Default:
4940	PDMPciDevSetVendorId(pPciDev, HDA_PCI_VENDOR_ID);
4941	PDMPciDevSetDeviceId(pPciDev, HDA_PCI_DEVICE_ID);
4942	break;
4943	case kDevice_IntelIch6: /* Our default intel device. */
4944	PDMPciDevSetVendorId(pPciDev, 0x8086);
4945	PDMPciDevSetDeviceId(pPciDev, 0x2668);
4946	break;
4947	case kDevice_IntelSunrisePoint: /* this is supported by more recent macOS version, at least 10.15 */
4948	PDMPciDevSetVendorId(pPciDev, 0x8086);
4949	PDMPciDevSetDeviceId(pPciDev, 0x9d70);
4950	break;
4951	}
4952
4953	PDMPciDevSetCommand( pPciDev, 0x0000); /* 04 rw,ro - pcicmd. */
4954	PDMPciDevSetStatus( pPciDev, VBOX_PCI_STATUS_CAP_LIST); /* 06 rwc?,ro? - pcists. */
4955	PDMPciDevSetRevisionId( pPciDev, 0x01); /* 08 ro - rid. */
4956	PDMPciDevSetClassProg( pPciDev, 0x00); /* 09 ro - pi. */
4957	PDMPciDevSetClassSub( pPciDev, 0x03); /* 0a ro - scc; 03 == HDA. */
4958	PDMPciDevSetClassBase( pPciDev, 0x04); /* 0b ro - bcc; 04 == multimedia. */
4959	PDMPciDevSetHeaderType( pPciDev, 0x00); /* 0e ro - headtyp. */
4960	PDMPciDevSetBaseAddress( pPciDev, 0, /* 10 rw - MMIO */
4961	false /* fIoSpace /, false / fPrefetchable /, true / f64Bit */, 0x00000000);
4962	PDMPciDevSetInterruptLine( pPciDev, 0x00); /* 3c rw. */
4963	PDMPciDevSetInterruptPin( pPciDev, 0x01); /* 3d ro - INTA#. */
4964
4965	# if defined(HDA_AS_PCI_EXPRESS)
4966	PDMPciDevSetCapabilityList(pPciDev, 0x80);
4967	# elif defined(VBOX_WITH_MSI_DEVICES)
4968	PDMPciDevSetCapabilityList(pPciDev, 0x60);
4969	# else
4970	PDMPciDevSetCapabilityList(pPciDev, 0x50); /* ICH6 datasheet 18.1.16 */
4971	# endif
4972
4973	/// @todo r=michaln: If there are really no PDMPciDevSetXx for these, the
4974	/// meaning of these values needs to be properly documented!
4975	/* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
4976	PDMPciDevSetByte( pPciDev, 0x40, 0x01);
4977
4978	/* Power Management */
4979	PDMPciDevSetByte( pPciDev, 0x50 + 0, VBOX_PCI_CAP_ID_PM);
4980	PDMPciDevSetByte( pPciDev, 0x50 + 1, 0x0); /* next */
4981	PDMPciDevSetWord( pPciDev, 0x50 + 2, VBOX_PCI_PM_CAP_DSI \| 0x02 /* version, PM1.1 */ );
4982
4983	# ifdef HDA_AS_PCI_EXPRESS
4984	/* PCI Express */
4985	PDMPciDevSetByte( pPciDev, 0x80 + 0, VBOX_PCI_CAP_ID_EXP); /* PCI_Express */
4986	PDMPciDevSetByte( pPciDev, 0x80 + 1, 0x60); /* next */
4987	/* Device flags */
4988	PDMPciDevSetWord( pPciDev, 0x80 + 2,
4989	1 /* version */
4990	\| (VBOX_PCI_EXP_TYPE_ROOT_INT_EP << 4) /* Root Complex Integrated Endpoint */
4991	\| (100 << 9) /* MSI */ );
4992	/* Device capabilities */
4993	PDMPciDevSetDWord( pPciDev, 0x80 + 4, VBOX_PCI_EXP_DEVCAP_FLRESET);
4994	/* Device control */
4995	PDMPciDevSetWord( pPciDev, 0x80 + 8, 0);
4996	/* Device status */
4997	PDMPciDevSetWord( pPciDev, 0x80 + 10, 0);
4998	/* Link caps */
4999	PDMPciDevSetDWord( pPciDev, 0x80 + 12, 0);
5000	/* Link control */
5001	PDMPciDevSetWord( pPciDev, 0x80 + 16, 0);
5002	/* Link status */
5003	PDMPciDevSetWord( pPciDev, 0x80 + 18, 0);
5004	/* Slot capabilities */
5005	PDMPciDevSetDWord( pPciDev, 0x80 + 20, 0);
5006	/* Slot control */
5007	PDMPciDevSetWord( pPciDev, 0x80 + 24, 0);
5008	/* Slot status */
5009	PDMPciDevSetWord( pPciDev, 0x80 + 26, 0);
5010	/* Root control */
5011	PDMPciDevSetWord( pPciDev, 0x80 + 28, 0);
5012	/* Root capabilities */
5013	PDMPciDevSetWord( pPciDev, 0x80 + 30, 0);
5014	/* Root status */
5015	PDMPciDevSetDWord( pPciDev, 0x80 + 32, 0);
5016	/* Device capabilities 2 */
5017	PDMPciDevSetDWord( pPciDev, 0x80 + 36, 0);
5018	/* Device control 2 */
5019	PDMPciDevSetQWord( pPciDev, 0x80 + 40, 0);
5020	/* Link control 2 */
5021	PDMPciDevSetQWord( pPciDev, 0x80 + 48, 0);
5022	/* Slot control 2 */
5023	PDMPciDevSetWord( pPciDev, 0x80 + 56, 0);
5024	# endif /* HDA_AS_PCI_EXPRESS */
5025
5026	/*
5027	* Register the PCI device.
5028	*/
5029	rc = PDMDevHlpPCIRegister(pDevIns, pPciDev);
5030	AssertRCReturn(rc, rc);
5031
5032	/** @todo r=bird: The IOMMMIO_FLAGS_READ_DWORD flag isn't entirely optimal,
5033	* as several frequently used registers aren't dword sized. 6.0 and earlier
5034	* will go to ring-3 to handle accesses to any such register, where-as 6.1 and
5035	* later will do trivial register reads in ring-0. Real optimal code would use
5036	* IOMMMIO_FLAGS_READ_PASSTHRU and do the necessary extra work to deal with
5037	* anything the guest may throw at us. */
5038	rc = PDMDevHlpPCIIORegionCreateMmio(pDevIns, 0, 0x4000, PCI_ADDRESS_SPACE_MEM, hdaMmioWrite, hdaMmioRead, NULL /pvUser/,
5039	IOMMMIO_FLAGS_READ_DWORD \| IOMMMIO_FLAGS_WRITE_PASSTHRU, "HDA", &pThis->hMmio);
5040	AssertRCReturn(rc, rc);
5041
5042	# ifdef VBOX_WITH_MSI_DEVICES
5043	PDMMSIREG MsiReg;
5044	RT_ZERO(MsiReg);
5045	MsiReg.cMsiVectors = 1;
5046	MsiReg.iMsiCapOffset = 0x60;
5047	MsiReg.iMsiNextOffset = 0x50;
5048	rc = PDMDevHlpPCIRegisterMsi(pDevIns, &MsiReg);
5049	if (RT_FAILURE(rc))
5050	{
5051	/* That's OK, we can work without MSI */
5052	PDMPciDevSetCapabilityList(pPciDev, 0x50);
5053	}
5054	# endif
5055
5056	/* Create task for continuing CORB DMA in ring-3. */
5057	rc = PDMDevHlpTaskCreate(pDevIns, PDMTASK_F_RZ, "HDA CORB DMA",
5058	hdaR3CorbDmaTaskWorker, NULL /pvUser/, &pThis->hCorbDmaTask);
5059	AssertRCReturn(rc,rc);
5060
5061	rc = PDMDevHlpSSMRegisterEx(pDevIns, HDA_SAVED_STATE_VERSION, sizeof(pThis), NULL /pszBefore*/,
5062	NULL /pfnLivePrep/, NULL /pfnLiveExec/, NULL /pfnLiveVote/,
5063	NULL /pfnSavePrep/, hdaR3SaveExec, NULL /pfnSaveDone/,
5064	NULL /pfnLoadPrep/, hdaR3LoadExec, hdaR3LoadDone);
5065	AssertRCReturn(rc, rc);
5066
5067	/*
5068	* Attach drivers. We ASSUME they are configured consecutively without any
5069	* gaps, so we stop when we hit the first LUN w/o a driver configured.
5070	*/
5071	for (unsigned iLun = 0; ; iLun++)
5072	{
5073	AssertBreak(iLun < UINT8_MAX);
5074	LogFunc(("Trying to attach driver for LUN#%u ...\n", iLun));
5075	rc = hdaR3AttachInternal(pDevIns, pThis, pThisCC, iLun, NULL /* ppDrv */);
5076	if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
5077	{
5078	LogFunc(("cLUNs=%u\n", iLun));
5079	break;
5080	}
5081	AssertLogRelMsgReturn(RT_SUCCESS(rc), ("LUN#%u: rc=%Rrc\n", iLun, rc), rc);
5082	}
5083
5084	/*
5085	* Create the mixer.
5086	*/
5087	uint32_t fMixer = AUDMIXER_FLAGS_NONE;
5088	if (pThisCC->Dbg.fEnabled)
5089	fMixer \|= AUDMIXER_FLAGS_DEBUG;
5090	rc = AudioMixerCreate("HDA Mixer", fMixer, &pThisCC->pMixer);
5091	AssertRCReturn(rc, rc);
5092
5093	/*
5094	* Add mixer output sinks.
5095	*/
5096	# ifdef VBOX_WITH_AUDIO_HDA_51_SURROUND
5097	rc = AudioMixerCreateSink(pThisCC->pMixer, "Front",
5098	PDMAUDIODIR_OUT, pDevIns, &pThisCC->SinkFront.pMixSink);
5099	AssertRCReturn(rc, rc);
5100	rc = AudioMixerCreateSink(pThisCC->pMixer, "Center+Subwoofer",
5101	PDMAUDIODIR_OUT, pDevIns, &pThisCC->SinkCenterLFE.pMixSink);
5102	AssertRCReturn(rc, rc);
5103	rc = AudioMixerCreateSink(pThisCC->pMixer, "Rear",
5104	PDMAUDIODIR_OUT, pDevIns, &pThisCC->SinkRear.pMixSink);
5105	AssertRCReturn(rc, rc);
5106	# else
5107	rc = AudioMixerCreateSink(pThisCC->pMixer, "PCM Output",
5108	PDMAUDIODIR_OUT, pDevIns, &pThisCC->SinkFront.pMixSink);
5109	AssertRCReturn(rc, rc);
5110	# endif /* VBOX_WITH_AUDIO_HDA_51_SURROUND */
5111
5112	/*
5113	* Add mixer input sinks.
5114	*/
5115	rc = AudioMixerCreateSink(pThisCC->pMixer, "Line In",
5116	PDMAUDIODIR_IN, pDevIns, &pThisCC->SinkLineIn.pMixSink);
5117	AssertRCReturn(rc, rc);
5118	# ifdef VBOX_WITH_AUDIO_HDA_MIC_IN
5119	rc = AudioMixerCreateSink(pThisCC->pMixer, "Microphone In",
5120	PDMAUDIODIR_IN, pDevIns, &pThisCC->SinkMicIn.pMixSink);
5121	AssertRCReturn(rc, rc);
5122	# endif
5123
5124	/* There is no master volume control. Set the master to max. */
5125	PDMAUDIOVOLUME Vol = PDMAUDIOVOLUME_INITIALIZER_MAX;
5126	rc = AudioMixerSetMasterVolume(pThisCC->pMixer, &Vol);
5127	AssertRCReturn(rc, rc);
5128
5129	/*
5130	* Initialize the codec.
5131	*/
5132	/* Construct the common + R3 codec part. */
5133	rc = hdaR3CodecConstruct(pDevIns, &pThisCC->Codec, 0 /* Codec index */, pCfg);
5134	AssertRCReturn(rc, rc);
5135
5136	/* ICH6 datasheet defines 0 values for SVID and SID (18.1.14-15), which together with values returned for
5137	verb F20 should provide device/codec recognition. */
5138	Assert(pThisCC->Codec.Cfg.idVendor);
5139	Assert(pThisCC->Codec.Cfg.idDevice);
5140	PDMPciDevSetSubSystemVendorId(pPciDev, pThisCC->Codec.Cfg.idVendor); /* 2c ro - intel.) */
5141	PDMPciDevSetSubSystemId( pPciDev, pThisCC->Codec.Cfg.idDevice); /* 2e ro. */
5142
5143	/*
5144	* Create the per stream timers and the asso.
5145	*
5146	* We must the critical section for the timers as the device has a
5147	* noop section associated with it.
5148	*
5149	* Note: Use TMCLOCK_VIRTUAL_SYNC here, as the guest's HDA driver relies
5150	* on exact (virtual) DMA timing and uses DMA Position Buffers
5151	* instead of the LPIB registers.
5152	*/
5153	/** @todo r=bird: The need to use virtual sync is perhaps because TM
5154	* doesn't schedule regular TMCLOCK_VIRTUAL timers as accurately as it
5155	* should (VT-x preemption timer, etc). Hope to address that before
5156	* long. @bugref{9943}. */
5157	static const char * const s_apszNames[] =
5158	{ "HDA SD0", "HDA SD1", "HDA SD2", "HDA SD3", "HDA SD4", "HDA SD5", "HDA SD6", "HDA SD7", };
5159	AssertCompile(RT_ELEMENTS(s_apszNames) == HDA_MAX_STREAMS);
5160	for (size_t i = 0; i < HDA_MAX_STREAMS; i++)
5161	{
5162	rc = PDMDevHlpTimerCreate(pDevIns, TMCLOCK_VIRTUAL_SYNC, hdaR3Timer, (void *)(uintptr_t)i,
5163	TMTIMER_FLAGS_NO_CRIT_SECT \| TMTIMER_FLAGS_RING0, s_apszNames[i], &pThis->aStreams[i].hTimer);
5164	AssertRCReturn(rc, rc);
5165
5166	rc = PDMDevHlpTimerSetCritSect(pDevIns, pThis->aStreams[i].hTimer, &pThis->CritSect);
5167	AssertRCReturn(rc, rc);
5168	}
5169
5170	/*
5171	* Create all hardware streams.
5172	*/
5173	for (uint8_t i = 0; i < HDA_MAX_STREAMS; ++i)
5174	{
5175	rc = hdaR3StreamConstruct(&pThis->aStreams[i], &pThisCC->aStreams[i], pThis, pThisCC, i /* u8SD */);
5176	AssertRCReturn(rc, rc);
5177	}
5178
5179	hdaR3Reset(pDevIns);
5180
5181	/*
5182	* Info items and string formatter types. The latter is non-optional as
5183	* the info handles use (at least some of) the custom types and we cannot
5184	* accept screwing formatting.
5185	*/
5186	PDMDevHlpDBGFInfoRegister(pDevIns, "hda", "HDA registers. (hda [register case-insensitive])", hdaR3DbgInfo);
5187	PDMDevHlpDBGFInfoRegister(pDevIns, "hdabdl",
5188	"HDA buffer descriptor list (BDL) and DMA stream positions. (hdabdl [stream number])",
5189	hdaR3DbgInfoBDL);
5190	PDMDevHlpDBGFInfoRegister(pDevIns, "hdastream", "HDA stream info. (hdastream [stream number])", hdaR3DbgInfoStream);
5191	PDMDevHlpDBGFInfoRegister(pDevIns, "hdcnodes", "HDA codec nodes.", hdaR3DbgInfoCodecNodes);
5192	PDMDevHlpDBGFInfoRegister(pDevIns, "hdcselector", "HDA codec's selector states [node number].", hdaR3DbgInfoCodecSelector);
5193	PDMDevHlpDBGFInfoRegister(pDevIns, "hdamixer", "HDA mixer state.", hdaR3DbgInfoMixer);
5194
5195	rc = RTStrFormatTypeRegister("sdctl", hdaR3StrFmtSDCTL, NULL);
5196	AssertMsgReturn(RT_SUCCESS(rc) \|\| rc == VERR_ALREADY_EXISTS, ("%Rrc\n", rc), rc);
5197	rc = RTStrFormatTypeRegister("sdsts", hdaR3StrFmtSDSTS, NULL);
5198	AssertMsgReturn(RT_SUCCESS(rc) \|\| rc == VERR_ALREADY_EXISTS, ("%Rrc\n", rc), rc);
5199	/** @todo the next two are rather pointless. */
5200	rc = RTStrFormatTypeRegister("sdfifos", hdaR3StrFmtSDFIFOS, NULL);
5201	AssertMsgReturn(RT_SUCCESS(rc) \|\| rc == VERR_ALREADY_EXISTS, ("%Rrc\n", rc), rc);
5202	rc = RTStrFormatTypeRegister("sdfifow", hdaR3StrFmtSDFIFOW, NULL);
5203	AssertMsgReturn(RT_SUCCESS(rc) \|\| rc == VERR_ALREADY_EXISTS, ("%Rrc\n", rc), rc);
5204
5205	/*
5206	* Asserting sanity.
5207	*/
5208	AssertCompile(RT_ELEMENTS(pThis->au32Regs) < 256 /* assumption by HDAREGDESC::idxReg */);
5209	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
5210	{
5211	struct HDAREGDESC const *pReg = &g_aHdaRegMap[i];
5212	struct HDAREGDESC const *pNextReg = i + 1 < RT_ELEMENTS(g_aHdaRegMap) ? &g_aHdaRegMap[i + 1] : NULL;
5213
5214	/* binary search order. */
5215	AssertReleaseMsg(!pNextReg \|\| pReg->off + pReg->cb <= pNextReg->off,
5216	("[%#x] = {%#x LB %#x} vs. [%#x] = {%#x LB %#x}\n",
5217	i, pReg->off, pReg->cb, i + 1, pNextReg->off, pNextReg->cb));
5218
5219	/* alignment. */
5220	AssertReleaseMsg( pReg->cb == 1
5221	\|\| (pReg->cb == 2 && (pReg->off & 1) == 0)
5222	\|\| (pReg->cb == 3 && (pReg->off & 3) == 0)
5223	\|\| (pReg->cb == 4 && (pReg->off & 3) == 0),
5224	("[%#x] = {%#x LB %#x}\n", i, pReg->off, pReg->cb));
5225
5226	/* registers are packed into dwords - with 3 exceptions with gaps at the end of the dword. */
5227	AssertRelease(((pReg->off + pReg->cb) & 3) == 0 \|\| pNextReg);
5228	if (pReg->off & 3)
5229	{
5230	struct HDAREGDESC const *pPrevReg = i > 0 ? &g_aHdaRegMap[i - 1] : NULL;
5231	AssertReleaseMsg(pPrevReg, ("[%#x] = {%#x LB %#x}\n", i, pReg->off, pReg->cb));
5232	if (pPrevReg)
5233	AssertReleaseMsg(pPrevReg->off + pPrevReg->cb == pReg->off,
5234	("[%#x] = {%#x LB %#x} vs. [%#x] = {%#x LB %#x}\n",
5235	i - 1, pPrevReg->off, pPrevReg->cb, i + 1, pReg->off, pReg->cb));
5236	}
5237	#if 0
5238	if ((pReg->offset + pReg->size) & 3)
5239	{
5240	AssertReleaseMsg(pNextReg, ("[%#x] = {%#x LB %#x}\n", i, pReg->offset, pReg->size));
5241	if (pNextReg)
5242	AssertReleaseMsg(pReg->offset + pReg->size == pNextReg->offset,
5243	("[%#x] = {%#x LB %#x} vs. [%#x] = {%#x LB %#x}\n",
5244	i, pReg->offset, pReg->size, i + 1, pNextReg->offset, pNextReg->size));
5245	}
5246	#endif
5247	/* The final entry is a full DWORD, no gaps! Allows shortcuts. */
5248	AssertReleaseMsg(pNextReg \|\| ((pReg->off + pReg->cb) & 3) == 0,
5249	("[%#x] = {%#x LB %#x}\n", i, pReg->off, pReg->cb));
5250	}
5251	for (unsigned i = 0; i < RT_ELEMENTS(g_aHdaRegAliases); i++)
5252	{
5253	/* Valid alias index. */
5254	uint32_t const idxAlias = g_aHdaRegAliases[i].idxAlias;
5255	AssertReleaseMsg(g_aHdaRegAliases[i].idxAlias < (int)RT_ELEMENTS(g_aHdaRegMap), ("[%#x] idxAlias=%#x\n", i, idxAlias));
5256	/* Same register alignment. */
5257	AssertReleaseMsg((g_aHdaRegAliases[i].offReg & 3) == (g_aHdaRegMap[idxAlias].off & 3),
5258	("[%#x] idxAlias=%#x offReg=%#x vs off=%#x\n",
5259	i, idxAlias, g_aHdaRegAliases[i].offReg, g_aHdaRegMap[idxAlias].off));
5260	/* Register is four or fewer bytes wide (already checked above). */
5261	AssertReleaseMsg(g_aHdaRegMap[idxAlias].cb <= 4, ("[%#x] idxAlias=%#x cb=%d\n", i, idxAlias, g_aHdaRegMap[idxAlias].cb));
5262	}
5263	Assert(strcmp(g_aHdaRegMap[HDA_REG_SSYNC].pszName, "SSYNC") == 0);
5264	Assert(strcmp(g_aHdaRegMap[HDA_REG_DPUBASE].pszName, "DPUBASE") == 0);
5265	Assert(strcmp(g_aHdaRegMap[HDA_REG_MLCH].pszName, "MLCH") == 0);
5266	Assert(strcmp(g_aHdaRegMap[HDA_REG_SD3DPIB].pszName, "SD3DPIB") == 0);
5267	Assert(strcmp(g_aHdaRegMap[HDA_REG_SD7EFIFOS].pszName, "SD7EFIFOS") == 0);
5268
5269	/*
5270	* Register statistics.
5271	*/
5272	# ifdef VBOX_WITH_STATISTICS
5273	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatIn, STAMTYPE_PROFILE, "Input", STAMUNIT_TICKS_PER_CALL, "Profiling input.");
5274	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatOut, STAMTYPE_PROFILE, "Output", STAMUNIT_TICKS_PER_CALL, "Profiling output.");
5275	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, "BytesRead" , STAMUNIT_BYTES, "Bytes read (DMA) from the guest.");
5276	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, "BytesWritten", STAMUNIT_BYTES, "Bytes written (DMA) to the guest.");
5277	# ifdef VBOX_HDA_WITH_ON_REG_ACCESS_DMA
5278	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatAccessDmaOutput, STAMTYPE_COUNTER, "AccessDmaOutput", STAMUNIT_COUNT, "Number of on-register-access DMA sub-transfers we've made.");
5279	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatAccessDmaOutputToR3,STAMTYPE_COUNTER, "AccessDmaOutputToR3", STAMUNIT_COUNT, "Number of time the on-register-access DMA forced a ring-3 return.");
5280	# endif
5281
5282	AssertCompile(RT_ELEMENTS(g_aHdaRegMap) == HDA_NUM_REGS);
5283	AssertCompile(RT_ELEMENTS(pThis->aStatRegReads) == HDA_NUM_REGS);
5284	AssertCompile(RT_ELEMENTS(pThis->aStatRegReadsToR3) == HDA_NUM_REGS);
5285	AssertCompile(RT_ELEMENTS(pThis->aStatRegWrites) == HDA_NUM_REGS);
5286	AssertCompile(RT_ELEMENTS(pThis->aStatRegWritesToR3) == HDA_NUM_REGS);
5287	for (size_t i = 0; i < RT_ELEMENTS(g_aHdaRegMap); i++)
5288	{
5289	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStatRegReads[i], STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
5290	g_aHdaRegMap[i].pszDesc, "Regs/%03x-%s-Reads", g_aHdaRegMap[i].off, g_aHdaRegMap[i].pszName);
5291	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStatRegReadsToR3[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
5292	g_aHdaRegMap[i].pszDesc, "Regs/%03x-%s-Reads-ToR3", g_aHdaRegMap[i].off, g_aHdaRegMap[i].pszName);
5293	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStatRegWrites[i], STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
5294	g_aHdaRegMap[i].pszDesc, "Regs/%03x-%s-Writes", g_aHdaRegMap[i].off, g_aHdaRegMap[i].pszName);
5295	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStatRegWritesToR3[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
5296	g_aHdaRegMap[i].pszDesc, "Regs/%03x-%s-Writes-ToR3", g_aHdaRegMap[i].off, g_aHdaRegMap[i].pszName);
5297	}
5298	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegMultiReadsR3, STAMTYPE_COUNTER, "RegMultiReadsR3", STAMUNIT_OCCURENCES, "Register read not targeting just one register, handled in ring-3");
5299	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegMultiReadsRZ, STAMTYPE_COUNTER, "RegMultiReadsRZ", STAMUNIT_OCCURENCES, "Register read not targeting just one register, handled in ring-0");
5300	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegMultiWritesR3, STAMTYPE_COUNTER, "RegMultiWritesR3", STAMUNIT_OCCURENCES, "Register writes not targeting just one register, handled in ring-3");
5301	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegMultiWritesRZ, STAMTYPE_COUNTER, "RegMultiWritesRZ", STAMUNIT_OCCURENCES, "Register writes not targeting just one register, handled in ring-0");
5302	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegSubWriteR3, STAMTYPE_COUNTER, "RegSubWritesR3", STAMUNIT_OCCURENCES, "Trucated register writes, handled in ring-3");
5303	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegSubWriteRZ, STAMTYPE_COUNTER, "RegSubWritesRZ", STAMUNIT_OCCURENCES, "Trucated register writes, handled in ring-0");
5304	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegUnknownReads, STAMTYPE_COUNTER, "RegUnknownReads", STAMUNIT_OCCURENCES, "Reads of unknown registers.");
5305	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegUnknownWrites, STAMTYPE_COUNTER, "RegUnknownWrites", STAMUNIT_OCCURENCES, "Writes to unknown registers.");
5306	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegWritesBlockedByReset, STAMTYPE_COUNTER, "RegWritesBlockedByReset", STAMUNIT_OCCURENCES, "Writes blocked by pending reset (GCTL/CRST)");
5307	PDMDevHlpSTAMRegister(pDevIns, &pThis->StatRegWritesBlockedByRun, STAMTYPE_COUNTER, "RegWritesBlockedByRun", STAMUNIT_OCCURENCES, "Writes blocked by byte RUN bit.");
5308	# endif
5309
5310	for (uint8_t idxStream = 0; idxStream < RT_ELEMENTS(pThisCC->aStreams); idxStream++)
5311	{
5312	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaFlowProblems, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
5313	"Number of internal DMA buffer problems.", "Stream%u/DMABufferProblems", idxStream);
5314	if (hdaGetDirFromSD(idxStream) == PDMAUDIODIR_OUT)
5315	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaFlowErrors, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
5316	"Number of internal DMA buffer overflows.", "Stream%u/DMABufferOverflows", idxStream);
5317	else
5318	{
5319	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaFlowErrors, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
5320	"Number of internal DMA buffer underuns.", "Stream%u/DMABufferUnderruns", idxStream);
5321	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaFlowErrorBytes, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5322	"Number of bytes of silence added to cope with underruns.", "Stream%u/DMABufferSilence", idxStream);
5323	}
5324	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaSkippedPendingBcis, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
5325	"DMA transfer period skipped because of BCIS pending.", "Stream%u/DMASkippedPendingBCIS", idxStream);
5326
5327	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.offRead, STAMTYPE_U64, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5328	"Virtual internal buffer read position.", "Stream%u/offRead", idxStream);
5329	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.offWrite, STAMTYPE_U64, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5330	"Virtual internal buffer write position.", "Stream%u/offWrite", idxStream);
5331	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.cbCurDmaPeriod, STAMTYPE_U32, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5332	"Bytes transfered per DMA timer callout.", "Stream%u/cbCurDmaPeriod", idxStream);
5333	PDMDevHlpSTAMRegisterF(pDevIns, (void*)&pThis->aStreams[idxStream].State.fRunning, STAMTYPE_BOOL, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5334	"True if the stream is in RUN mode.", "Stream%u/fRunning", idxStream);
5335	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.Cfg.Props.uHz, STAMTYPE_U32, STAMVISIBILITY_USED, STAMUNIT_HZ,
5336	"The stream frequency.", "Stream%u/Cfg/Hz", idxStream);
5337	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.Cfg.Props.cbFrame, STAMTYPE_U8, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5338	"The frame size.", "Stream%u/Cfg/FrameSize", idxStream);
5339	#if 0 /** @todo this would require some callback or expansion. */
5340	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.Cfg.Props.cChannelsX, STAMTYPE_U8, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5341	"The number of channels.", "Stream%u/Cfg/Channels-Host", idxStream);
5342	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.Mapping.GuestProps.cChannels, STAMTYPE_U8, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5343	"The number of channels.", "Stream%u/Cfg/Channels-Guest", idxStream);
5344	PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aStreams[idxStream].State.Cfg.Props.cbSample, STAMTYPE_U8, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5345	"The size of a sample (per channel).", "Stream%u/Cfg/cbSample", idxStream);
5346	#endif
5347
5348	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaBufSize, STAMTYPE_U32, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5349	"Size of the internal DMA buffer.", "Stream%u/DMABufSize", idxStream);
5350	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatDmaBufUsed, STAMTYPE_U32, STAMVISIBILITY_USED, STAMUNIT_BYTES,
5351	"Number of bytes used in the internal DMA buffer.", "Stream%u/DMABufUsed", idxStream);
5352
5353	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatStart, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_NS_PER_CALL,
5354	"Starting the stream.", "Stream%u/Start", idxStream);
5355	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatStop, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_NS_PER_CALL,
5356	"Stopping the stream.", "Stream%u/Stop", idxStream);
5357	PDMDevHlpSTAMRegisterF(pDevIns, &pThisCC->aStreams[idxStream].State.StatReset, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_NS_PER_CALL,
5358	"Resetting the stream.", "Stream%u/Reset", idxStream);
5359	}
5360
5361	return VINF_SUCCESS;
5362	}
5363
5364	#else /* !IN_RING3 */
5365
5366	/**
5367	* @callback_method_impl{PDMDEVREGR0,pfnConstruct}
5368	*/
5369	static DECLCALLBACK(int) hdaRZConstruct(PPDMDEVINS pDevIns)
5370	{
5371	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns); /* this shall come first */
5372	PHDASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PHDASTATE);
5373	PHDASTATER0 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PHDASTATER0);
5374
5375	int rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns));
5376	AssertRCReturn(rc, rc);
5377
5378	rc = PDMDevHlpMmioSetUpContext(pDevIns, pThis->hMmio, hdaMmioWrite, hdaMmioRead, NULL /pvUser/);
5379	AssertRCReturn(rc, rc);
5380
5381	# if 0 /* Codec is not yet kosher enough for ring-0. @bugref{9890c64} */
5382	/* Construct the R0 codec part. */
5383	rc = hdaR0CodecConstruct(pDevIns, &pThis->Codec, &pThisCC->Codec);
5384	AssertRCReturn(rc, rc);
5385	# else
5386	RT_NOREF(pThisCC);
5387	# endif
5388
5389	return VINF_SUCCESS;
5390	}
5391
5392	#endif /* !IN_RING3 */
5393
5394	/**
5395	* The device registration structure.
5396	*/
5397	const PDMDEVREG g_DeviceHDA =
5398	{
5399	/* .u32Version = */ PDM_DEVREG_VERSION,
5400	/* .uReserved0 = */ 0,
5401	/* .szName = */ "hda",
5402	/* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS \| PDM_DEVREG_FLAGS_RZ \| PDM_DEVREG_FLAGS_NEW_STYLE
5403	\| PDM_DEVREG_FLAGS_FIRST_POWEROFF_NOTIFICATION /* stream clearnup with working drivers */,
5404	/* .fClass = */ PDM_DEVREG_CLASS_AUDIO,
5405	/* .cMaxInstances = */ 1,
5406	/* .uSharedVersion = */ 42,
5407	/* .cbInstanceShared = */ sizeof(HDASTATE),
5408	/* .cbInstanceCC = */ CTX_EXPR(sizeof(HDASTATER3), sizeof(HDASTATER0), 0),
5409	/* .cbInstanceRC = */ 0,
5410	/* .cMaxPciDevices = */ 1,
5411	/* .cMaxMsixVectors = */ 0,
5412	/* .pszDescription = */ "Intel HD Audio Controller",
5413	#if defined(IN_RING3)
5414	/* .pszRCMod = */ "VBoxDDRC.rc",
5415	/* .pszR0Mod = */ "VBoxDDR0.r0",
5416	/* .pfnConstruct = */ hdaR3Construct,
5417	/* .pfnDestruct = */ hdaR3Destruct,
5418	/* .pfnRelocate = */ NULL,
5419	/* .pfnMemSetup = */ NULL,
5420	/* .pfnPowerOn = */ NULL,
5421	/* .pfnReset = */ hdaR3Reset,
5422	/* .pfnSuspend = */ NULL,
5423	/* .pfnResume = */ NULL,
5424	/* .pfnAttach = */ hdaR3Attach,
5425	/* .pfnDetach = */ hdaR3Detach,
5426	/* .pfnQueryInterface = */ NULL,
5427	/* .pfnInitComplete = */ NULL,
5428	/* .pfnPowerOff = */ hdaR3PowerOff,
5429	/* .pfnSoftReset = */ NULL,
5430	/* .pfnReserved0 = */ NULL,
5431	/* .pfnReserved1 = */ NULL,
5432	/* .pfnReserved2 = */ NULL,
5433	/* .pfnReserved3 = */ NULL,
5434	/* .pfnReserved4 = */ NULL,
5435	/* .pfnReserved5 = */ NULL,
5436	/* .pfnReserved6 = */ NULL,
5437	/* .pfnReserved7 = */ NULL,
5438	#elif defined(IN_RING0)
5439	/* .pfnEarlyConstruct = */ NULL,
5440	/* .pfnConstruct = */ hdaRZConstruct,
5441	/* .pfnDestruct = */ NULL,
5442	/* .pfnFinalDestruct = */ NULL,
5443	/* .pfnRequest = */ NULL,
5444	/* .pfnReserved0 = */ NULL,
5445	/* .pfnReserved1 = */ NULL,
5446	/* .pfnReserved2 = */ NULL,
5447	/* .pfnReserved3 = */ NULL,
5448	/* .pfnReserved4 = */ NULL,
5449	/* .pfnReserved5 = */ NULL,
5450	/* .pfnReserved6 = */ NULL,
5451	/* .pfnReserved7 = */ NULL,
5452	#elif defined(IN_RC)
5453	/* .pfnConstruct = */ hdaRZConstruct,
5454	/* .pfnReserved0 = */ NULL,
5455	/* .pfnReserved1 = */ NULL,
5456	/* .pfnReserved2 = */ NULL,
5457	/* .pfnReserved3 = */ NULL,
5458	/* .pfnReserved4 = */ NULL,
5459	/* .pfnReserved5 = */ NULL,
5460	/* .pfnReserved6 = */ NULL,
5461	/* .pfnReserved7 = */ NULL,
5462	#else
5463	# error "Not in IN_RING3, IN_RING0 or IN_RC!"
5464	#endif
5465	/* .u32VersionEnd = */ PDM_DEVREG_VERSION
5466	};
5467
5468	#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
5469

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source: vbox/trunk/src/VBox/Devices/Audio/DevHda.cpp

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