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![Greg Kroah-Hartman](/assets/img/avatar_default.png)
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
343 lines
16 KiB
C
343 lines
16 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SOUND_AZT3328_H
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#define __SOUND_AZT3328_H
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/* "PU" == "power-up value", as tested on PCI168 PCI rev. 10
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* "WRITE_ONLY" == register does not indicate actual bit values */
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/*** main I/O area port indices ***/
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/* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */
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#define AZF_IO_SIZE_CTRL 0x80
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#define AZF_IO_SIZE_CTRL_PM 0x70
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/* the driver initialisation suggests a layout of 4 areas
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* within the main card control I/O:
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* from 0x00 (playback codec), from 0x20 (recording codec)
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* and from 0x40 (most certainly I2S out codec).
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* And another area from 0x60 to 0x6f (DirectX timer, IRQ management,
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* power management etc.???). */
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#define AZF_IO_OFFS_CODEC_PLAYBACK 0x00
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#define AZF_IO_OFFS_CODEC_CAPTURE 0x20
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#define AZF_IO_OFFS_CODEC_I2S_OUT 0x40
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#define IDX_IO_CODEC_DMA_FLAGS 0x00 /* PU:0x0000 */
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/* able to reactivate output after output muting due to 8/16bit
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* output change, just like 0x0002.
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* 0x0001 is the only bit that's able to start the DMA counter */
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#define DMA_RESUME 0x0001 /* paused if cleared? */
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/* 0x0002 *temporarily* set during DMA stopping. hmm
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* both 0x0002 and 0x0004 set in playback setup. */
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/* able to reactivate output after output muting due to 8/16bit
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* output change, just like 0x0001. */
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#define DMA_RUN_SOMETHING1 0x0002 /* \ alternated (toggled) */
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/* 0x0004: NOT able to reactivate output */
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#define DMA_RUN_SOMETHING2 0x0004 /* / bits */
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#define SOMETHING_ALMOST_ALWAYS_SET 0x0008 /* ???; can be modified */
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#define DMA_EPILOGUE_SOMETHING 0x0010
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#define DMA_SOMETHING_ELSE 0x0020 /* ??? */
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#define SOMETHING_UNMODIFIABLE 0xffc0 /* unused? not modifiable */
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#define IDX_IO_CODEC_IRQTYPE 0x02 /* PU:0x0001 */
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/* write back to flags in case flags are set, in order to ACK IRQ in handler
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* (bit 1 of port 0x64 indicates interrupt for one of these three types)
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* sometimes in this case it just writes 0xffff to globally ACK all IRQs
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* settings written are not reflected when reading back, though.
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* seems to be IRQ, too (frequently used: port |= 0x07 !), but who knows? */
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#define IRQ_SOMETHING 0x0001 /* something & ACK */
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#define IRQ_FINISHED_DMABUF_1 0x0002 /* 1st dmabuf finished & ACK */
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#define IRQ_FINISHED_DMABUF_2 0x0004 /* 2nd dmabuf finished & ACK */
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#define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */
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#define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */
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#define IRQMASK_UNMODIFIABLE 0xffe0 /* unused? not modifiable */
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/* start address of 1st DMA transfer area, PU:0x00000000 */
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#define IDX_IO_CODEC_DMA_START_1 0x04
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/* start address of 2nd DMA transfer area, PU:0x00000000 */
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#define IDX_IO_CODEC_DMA_START_2 0x08
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/* both lengths of DMA transfer areas, PU:0x00000000
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length1: offset 0x0c, length2: offset 0x0e */
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#define IDX_IO_CODEC_DMA_LENGTHS 0x0c
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#define IDX_IO_CODEC_DMA_CURRPOS 0x10 /* current DMA position, PU:0x00000000 */
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/* offset within current DMA transfer area, PU:0x0000 */
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#define IDX_IO_CODEC_DMA_CURROFS 0x14
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#define IDX_IO_CODEC_SOUNDFORMAT 0x16 /* PU:0x0010 */
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/* all unspecified bits can't be modified */
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#define SOUNDFORMAT_FREQUENCY_MASK 0x000f
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#define SOUNDFORMAT_XTAL1 0x00
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#define SOUNDFORMAT_XTAL2 0x01
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/* all _SUSPECTED_ values are not used by Windows drivers, so we don't
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* have any hard facts, only rough measurements.
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* All we know is that the crystal used on the board has 24.576MHz,
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* like many soundcards (which results in the frequencies below when
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* using certain divider values selected by the values below) */
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#define SOUNDFORMAT_FREQ_SUSPECTED_4000 0x0c | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_SUSPECTED_4800 0x0a | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_5510 0x0c | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_6620 0x0a | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_8000 0x00 | SOUNDFORMAT_XTAL1 /* also 0x0e | SOUNDFORMAT_XTAL1? */
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#define SOUNDFORMAT_FREQ_9600 0x08 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_11025 0x00 | SOUNDFORMAT_XTAL2 /* also 0x0e | SOUNDFORMAT_XTAL2? */
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#define SOUNDFORMAT_FREQ_SUSPECTED_13240 0x08 | SOUNDFORMAT_XTAL2 /* seems to be 6620 *2 */
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#define SOUNDFORMAT_FREQ_16000 0x02 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_22050 0x02 | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_32000 0x04 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_44100 0x04 | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_48000 0x06 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_SUSPECTED_66200 0x06 | SOUNDFORMAT_XTAL2 /* 66200 (13240 * 5); 64000 may have been nicer :-\ */
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#define SOUNDFORMAT_FLAG_16BIT 0x0010
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#define SOUNDFORMAT_FLAG_2CHANNELS 0x0020
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/* define frequency helpers, for maximum value safety */
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enum azf_freq_t {
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#define AZF_FREQ(rate) AZF_FREQ_##rate = rate
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AZF_FREQ(4000),
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AZF_FREQ(4800),
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AZF_FREQ(5512),
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AZF_FREQ(6620),
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AZF_FREQ(8000),
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AZF_FREQ(9600),
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AZF_FREQ(11025),
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AZF_FREQ(13240),
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AZF_FREQ(16000),
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AZF_FREQ(22050),
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AZF_FREQ(32000),
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AZF_FREQ(44100),
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AZF_FREQ(48000),
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AZF_FREQ(66200),
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#undef AZF_FREQ
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};
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/** DirectX timer, main interrupt area (FIXME: and something else?) **/
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#define IDX_IO_TIMER_VALUE 0x60 /* found this timer area by pure luck :-) */
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/* timer countdown value; triggers IRQ when timer is finished */
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#define TIMER_VALUE_MASK 0x000fffffUL
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/* activate timer countdown */
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#define TIMER_COUNTDOWN_ENABLE 0x01000000UL
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/* trigger timer IRQ on zero transition */
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#define TIMER_IRQ_ENABLE 0x02000000UL
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/* being set in IRQ handler in case port 0x00 (hmm, not port 0x64!?!?)
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* had 0x0020 set upon IRQ handler */
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#define TIMER_IRQ_ACK 0x04000000UL
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#define IDX_IO_IRQSTATUS 0x64
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/* some IRQ bit in here might also be used to signal a power-management timer
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* timeout, to request shutdown of the chip (e.g. AD1815JS has such a thing).
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* OPL3 hardware contains several timers which confusingly in most cases
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* are NOT routed to an IRQ, but some designs (e.g. LM4560) DO support that,
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* so I wouldn't be surprised at all to discover that AZF3328
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* supports that thing as well... */
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#define IRQ_PLAYBACK 0x0001
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#define IRQ_RECORDING 0x0002
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#define IRQ_I2S_OUT 0x0004 /* this IS I2S, right!? (untested) */
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#define IRQ_GAMEPORT 0x0008 /* Interrupt of Digital(ly) Enhanced Game Port */
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#define IRQ_MPU401 0x0010
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#define IRQ_TIMER 0x0020 /* DirectX timer */
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#define IRQ_UNKNOWN2 0x0040 /* probably unused, or possibly OPL3 timer? */
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#define IRQ_UNKNOWN3 0x0080 /* probably unused, or possibly OPL3 timer? */
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#define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */
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/* this is set to e.g. 0x3ff or 0x300, and writable;
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* maybe some buffer limit, but I couldn't find out more, PU:0x00ff: */
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#define IDX_IO_SOME_VALUE 0x68
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#define IO_68_RANDOM_TOGGLE1 0x0100 /* toggles randomly */
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#define IO_68_RANDOM_TOGGLE2 0x0200 /* toggles randomly */
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/* umm, nope, behaviour of these bits changes depending on what we wrote
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* to 0x6b!!
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* And they change upon playback/stop, too:
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* Writing a value to 0x68 will display this exact value during playback,
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* too but when stopped it can fall back to a rather different
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* seemingly random value). Hmm, possibly this is a register which
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* has a remote shadow which needs proper device supply which only exists
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* in case playback is active? Or is this driver-induced?
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*/
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/* this WORD can be set to have bits 0x0028 activated (FIXME: correct??);
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* actually inhibits PCM playback!!! maybe power management??: */
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#define IDX_IO_6AH 0x6A /* WRITE_ONLY! */
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/* bit 5: enabling this will activate permanent counting of bytes 2/3
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* at gameport I/O (0xb402/3) (equal values each) and cause
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* gameport legacy I/O at 0x0200 to be _DISABLED_!
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* Is this Digital Enhanced Game Port Enable??? Or maybe it's Testmode
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* for Enhanced Digital Gameport (see 4D Wave DX card): */
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#define IO_6A_SOMETHING1_GAMEPORT 0x0020
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/* bit 8; sure, this _pauses_ playback (later resumes at same spot!),
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* but what the heck is this really about??: */
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#define IO_6A_PAUSE_PLAYBACK_BIT8 0x0100
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/* bit 9; sure, this _pauses_ playback (later resumes at same spot!),
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* but what the heck is this really about??: */
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#define IO_6A_PAUSE_PLAYBACK_BIT9 0x0200
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/* BIT8 and BIT9 are _NOT_ able to affect OPL3 MIDI playback,
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* thus it suggests influence on PCM only!!
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* However OTOH there seems to be no bit anywhere around here
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* which is able to disable OPL3... */
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/* bit 10: enabling this actually changes values at legacy gameport
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* I/O address (0x200); is this enabling of the Digital Enhanced Game Port???
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* Or maybe this simply switches off the NE558 circuit, since enabling this
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* still lets us evaluate button states, but not axis states */
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#define IO_6A_SOMETHING2_GAMEPORT 0x0400
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/* writing 0x0300: causes quite some crackling during
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* PC activity such as switching windows (PCI traffic??
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* --> FIFO/timing settings???) */
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/* writing 0x0100 plus/or 0x0200 inhibits playback */
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/* since the Windows .INF file has Flag_Enable_JoyStick and
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* Flag_Enable_SB_DOS_Emulation directly together, it stands to reason
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* that some other bit in this same register might be responsible
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* for SB DOS Emulation activation (note that the file did NOT define
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* a switch for OPL3!) */
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#define IDX_IO_6CH 0x6C /* unknown; fully read-writable */
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#define IDX_IO_6EH 0x6E
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/* writing 0xffff returns 0x83fe (or 0x03fe only).
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* writing 0x83 (and only 0x83!!) to 0x6f will cause 0x6c to switch
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* from 0000 to ffff. */
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/* further I/O indices not saved/restored and not readable after writing,
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* so probably not used */
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/*** Gameport area port indices ***/
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/* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */
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#define AZF_IO_SIZE_GAME 0x08
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#define AZF_IO_SIZE_GAME_PM 0x06
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enum {
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AZF_GAME_LEGACY_IO_PORT = 0x200
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};
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#define IDX_GAME_LEGACY_COMPATIBLE 0x00
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/* in some operation mode, writing anything to this port
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* triggers an interrupt:
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* yup, that's in case IDX_GAME_01H has one of the
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* axis measurement bits enabled
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* (and of course one needs to have GAME_HWCFG_IRQ_ENABLE, too) */
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#define IDX_GAME_AXES_CONFIG 0x01
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/* NOTE: layout of this register awfully similar (read: "identical??")
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* to AD1815JS.pdf (p.29) */
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/* enables axis 1 (X axis) measurement: */
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#define GAME_AXES_ENABLE_1 0x01
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/* enables axis 2 (Y axis) measurement: */
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#define GAME_AXES_ENABLE_2 0x02
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/* enables axis 3 (X axis) measurement: */
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#define GAME_AXES_ENABLE_3 0x04
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/* enables axis 4 (Y axis) measurement: */
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#define GAME_AXES_ENABLE_4 0x08
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/* selects the current axis to read the measured value of
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* (at IDX_GAME_AXIS_VALUE):
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* 00 = axis 1, 01 = axis 2, 10 = axis 3, 11 = axis 4: */
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#define GAME_AXES_READ_MASK 0x30
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/* enable to have the latch continuously accept ADC values
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* (and continuously cause interrupts in case interrupts are enabled);
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* AD1815JS.pdf says it's ~16ms interval there: */
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#define GAME_AXES_LATCH_ENABLE 0x40
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/* joystick data (measured axes) ready for reading: */
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#define GAME_AXES_SAMPLING_READY 0x80
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/* NOTE: other card specs (SiS960 and others!) state that the
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* game position latches should be frozen when reading and be freed
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* (== reset?) after reading!!!
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* Freezing most likely means disabling 0x40 (GAME_AXES_LATCH_ENABLE),
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* but how to free the value? */
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/* An internet search for "gameport latch ADC" should provide some insight
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* into how to program such a gameport system. */
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/* writing 0xf0 to 01H once reset both counters to 0, in some special mode!?
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* yup, in case 6AH 0x20 is not enabled
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* (and 0x40 is sufficient, 0xf0 is not needed) */
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#define IDX_GAME_AXIS_VALUE 0x02
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/* R: value of currently configured axis (word value!);
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* W: trigger axis measurement */
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#define IDX_GAME_HWCONFIG 0x04
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/* note: bits 4 to 7 are never set (== 0) when reading!
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* --> reserved bits? */
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/* enables IRQ notification upon axes measurement ready: */
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#define GAME_HWCFG_IRQ_ENABLE 0x01
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/* these bits choose a different frequency for the
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* internal ADC counter increment.
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* hmm, seems to be a combo of bits:
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* 00 --> standard frequency
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* 10 --> 1/2
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* 01 --> 1/20
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* 11 --> 1/200: */
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#define GAME_HWCFG_ADC_COUNTER_FREQ_MASK 0x06
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/* FIXME: these values might be reversed... */
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#define GAME_HWCFG_ADC_COUNTER_FREQ_STD 0
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#define GAME_HWCFG_ADC_COUNTER_FREQ_1_2 1
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#define GAME_HWCFG_ADC_COUNTER_FREQ_1_20 2
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#define GAME_HWCFG_ADC_COUNTER_FREQ_1_200 3
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/* enable gameport legacy I/O address (0x200)
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* I was unable to locate any configurability for a different address: */
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#define GAME_HWCFG_LEGACY_ADDRESS_ENABLE 0x08
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/*** MPU401 ***/
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#define AZF_IO_SIZE_MPU 0x04
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#define AZF_IO_SIZE_MPU_PM 0x04
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/*** OPL3 synth ***/
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/* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */
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#define AZF_IO_SIZE_OPL3 0x08
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#define AZF_IO_SIZE_OPL3_PM 0x06
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/* hmm, given that a standard OPL3 has 4 registers only,
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* there might be some enhanced functionality lurking at the end
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* (especially since register 0x04 has a "non-empty" value 0xfe) */
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/*** mixer I/O area port indices ***/
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/* (only 0x22 of 0x40 bytes saved/restored by Windows driver)
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* UNFORTUNATELY azf3328 is NOT truly AC97 compliant: see main file intro */
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#define AZF_IO_SIZE_MIXER 0x40
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#define AZF_IO_SIZE_MIXER_PM 0x22
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#define MIXER_VOLUME_RIGHT_MASK 0x001f
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#define MIXER_VOLUME_LEFT_MASK 0x1f00
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#define MIXER_MUTE_MASK 0x8000
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#define IDX_MIXER_RESET 0x00 /* does NOT seem to have AC97 ID bits */
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#define IDX_MIXER_PLAY_MASTER 0x02
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#define IDX_MIXER_MODEMOUT 0x04
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#define IDX_MIXER_BASSTREBLE 0x06
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#define MIXER_BASSTREBLE_TREBLE_VOLUME_MASK 0x000e
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#define MIXER_BASSTREBLE_BASS_VOLUME_MASK 0x0e00
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#define IDX_MIXER_PCBEEP 0x08
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#define IDX_MIXER_MODEMIN 0x0a
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#define IDX_MIXER_MIC 0x0c
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#define MIXER_MIC_MICGAIN_20DB_ENHANCEMENT_MASK 0x0040
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#define IDX_MIXER_LINEIN 0x0e
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#define IDX_MIXER_CDAUDIO 0x10
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#define IDX_MIXER_VIDEO 0x12
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#define IDX_MIXER_AUX 0x14
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#define IDX_MIXER_WAVEOUT 0x16
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#define IDX_MIXER_FMSYNTH 0x18
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#define IDX_MIXER_REC_SELECT 0x1a
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#define MIXER_REC_SELECT_MIC 0x00
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#define MIXER_REC_SELECT_CD 0x01
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#define MIXER_REC_SELECT_VIDEO 0x02
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#define MIXER_REC_SELECT_AUX 0x03
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#define MIXER_REC_SELECT_LINEIN 0x04
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#define MIXER_REC_SELECT_MIXSTEREO 0x05
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#define MIXER_REC_SELECT_MIXMONO 0x06
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#define MIXER_REC_SELECT_MONOIN 0x07
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#define IDX_MIXER_REC_VOLUME 0x1c
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#define IDX_MIXER_ADVCTL1 0x1e
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/* unlisted bits are unmodifiable */
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#define MIXER_ADVCTL1_3DWIDTH_MASK 0x000e
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#define MIXER_ADVCTL1_HIFI3D_MASK 0x0300 /* yup, this is missing the high bit that official AC97 contains, plus it doesn't have linear bit value range behaviour but instead acts weirdly (possibly we're dealing with two *different* 3D settings here??) */
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#define IDX_MIXER_ADVCTL2 0x20 /* subset of AC97_GENERAL_PURPOSE reg! */
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/* unlisted bits are unmodifiable */
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#define MIXER_ADVCTL2_LPBK 0x0080 /* Loopback mode -- Win driver: "WaveOut3DBypass"? mutes WaveOut at LineOut */
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#define MIXER_ADVCTL2_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 -- Win driver: "ModemOutSelect"?? */
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#define MIXER_ADVCTL2_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic; Win driver: "MonoSelectSource"?? */
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#define MIXER_ADVCTL2_3D 0x2000 /* 3D Enhancement 1=on */
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#define MIXER_ADVCTL2_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */
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#define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown??? */
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/* driver internal flags */
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#define SET_CHAN_LEFT 1
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#define SET_CHAN_RIGHT 2
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/* helper macro to align I/O port ranges to 32bit I/O width */
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#define AZF_ALIGN(x) (((x) + 3) & (~3))
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#endif /* __SOUND_AZT3328_H */
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