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Á¦¸ñ:

¾ÈµÇ¸é µÇ°Ô Ç϶ó~! AppleHDA »ðÁú Project - Chapter 4

À̸§: °Ü¿ï
Date: 2009-09-19 10:34Read: 5151
AppleHDAFiles.zip (3.20 MB)  
 

       



4. DSDT¿Í AppleHDAHardwareConfigDriver.kextÀÇ ¼öÁ¤


¾Õ¼­ ±¸ÇÑ Á¤º¸¸¦ ¹ÙÅÁÀ¸·Î DSDTÀÇ HDEF ¼½¼ÇÀ» ¼öÁ¤Çϰí, AppleHDA.kext¿¡ Àû¿ëÇØ º¸°Ú½À´Ï´Ù.

4Àå¿¡¼­ ´Ù·ê ³»¿ëÀº µÎ°¡ÁöÀÔ´Ï´Ù.

ù¹øÂ°´Â DSDTÀÇ HDEF ¼½¼Ç¿¡ ´ëÇÑ °£´ÜÇÑ ¼öÁ¤À̸ç,

µÎ¹øÂ°´Â "AppleHDA.kext/Content/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.plist"ÀÇ ¼öÁ¤ÀÔ´Ï´Ù.

ÀÌÈÄ 5Àå¿¡¼­´Â, 3Àå¿¡¼­ ±¸¼ºÇÑ ÀÔÃâ·Â ÀåÄ¡ÀÇ ³ëµå ¿¬°áÀ» "AppleHDA.kext/Content/PlugIns/AppleHDAPlatformDriver.kext/Contents/Info.plist"¿¡ Àû¿ëÇÏ¿© ½ÇÁ¦·Î ¿Àµð¿À ÀåÄ¡¸¦ ±¸µ¿½ÃÄÑ º¸°Ú½À´Ï´Ù.

ÀÌ¿¡ ¾Õ¼­, Àá½Ã ¤°í ³Ñ¾î°¥ ºÎºÐÀÌ ÀÖ½À´Ï´Ù.

ÀÌ¹Ì ¾Ë°í °è½Å°Íó·³, DSDTÀÇ "Device (HDEF)" ¼½¼Ç¿¡ ³Ö¾îÁÙ Codec ID, Layout ID, PinConfiguration µîÀÇ Á¤º¸´Â, ´ÜÁö "System Profiler(½Ã½ºÅÛ Á¤º¸ º¸±â)"ÀÇ ¿Àµð¿À Ç׸ñ¿¡¼­ ±× Á¤º¸¸¦ º¸¿©ÁÙ »Ó, ½ÇÁ¦·Î ¿Àµð¿À ÀåÄ¡¸¦ ±¸µ¿½ÃÄÑ ÁÖ´Â ÀåÄ¡ µå¶óÀ̹ö°¡ ¾Æ´Õ´Ï´Ù.

DSDT¿¡ ÀÌ·± Á¤º¸µéÀ» ³Ö¾îÁÖ¸é ´ÜÁö ´ÙÀ½°ú °°Àº, º¸±â¿¡ ¿ØÁö »ÑµíÇÑ ³»¿ëÀ» º¸¿©ÁÙ »ÓÀÔ´Ï´Ù.




Áï, ¾Ö½Ã´çÃÊ ÄÚµ¦ ´ýÇÁ¿¡¼­ »Ì¾Æ³½ PinConfigurationÀÇ °ªµéÀ» ÇØ¼®ÇÏ¿©, "ÀÌ ½Ã½ºÅÛÀÇ ¿Àµð¿À¿¡´Â ÀÌ·± ÀåÄ¡µéÀÌ ÀÖ´Ù"´Â Á¤º¸¸¸À» ¾Ë·ÁÁֹǷÎ, DSDT¿¡¼­ PinConfiguration¿¡ À߸øµÈ °ªÀ» ³Ö¾î ÁÖ¸é Æ÷Æ® Á¤º¸µµ À߸øµÈ Á¤º¸·Î ³ªÅ¸³ª°Å³ª ÀνÄÀÌ µÇÁö ¾Ê½À´Ï´Ù.

½Ã½ºÅÛ Á¤º¸ º¸±âÀÇ ³»¿ëÀ» Ç¥½ÃÇÏ´Â ¶Ç ÇϳªÀÇ ¹æ¹ýÀº, AppleHDA.kext ÆÄÀÏÀ» ÀÌ¿ëÇÏ´Â °ÍÀÔ´Ï´Ù.

¿ì¸®°¡ 2Àå¿¡¼­ ±¸ÇÑ "ConfigData"¸¦ "AppleHDA.kext/Content/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.plist"¿¡ Àû¿ëÇØ ÁÖ´Â ¹æ¹ýÀÔ´Ï´Ù.

¿ì¼±, DSDTÀÇ ¼öÁ¤ ¹æ¹ýÀ» ¾Ë¾Æº¸°í, ±× ´ÙÀ½¿¡ AppleHDA.kext ÆÄÀÏÀ» ¼öÁ¤ÇØ º¸µµ·Ï ÇϰڽÀ´Ï´Ù.



4-1. "½Ã½ºÅÛ Á¤º¸ º¸±â"¸¦ À§ÇÑ DSDTÀÇ ¼öÁ¤

À§ÀÇ ±×¸²¿¡¼­ º¸¿©ÁÖµíÀÌ, "½Ã½ºÅÛ Á¤º¸ º¸±â"ÀÇ ¿Àµð¿À Ç׸ñÀ» º¸¸é, "Àåºñ ID", "¿Àµð¿À ID", "»ç¿ë °¡´ÉÇÑ Àåºñ"°¡ ÀÖ½À´Ï´Ù.

ÀÌ·¯ÇÑ ³»¿ë µéÀÌ ¾î¶»°Ô DSDT¸¦ ÅëÇØ¼­ ³ª¿À´ÂÁö »ìÆì º¸°Ú½À´Ï´Ù.

DSDT¿Í °ü·ÃµÈ ¿©·¯ ÀÚ·áµéÀ» º¸¸é, Device (HDEF) ¼½¼ÇÀÇ ³»¿ëÀÌ ´ë·« À§ÀÇ ±×¸²°ú ´ëµ¿¼ÒÀÌÇÏ°Ô ³ª¿É´Ï´Ù.

ÁÖ¿ä ³»¿ëÀ» µé¿©´Ù º¸¸é ´ÙÀ½°ú °°½À´Ï´Ù.

Quote:Store (Package (0x08)
                        {
                            "codec-id",
                            Buffer (0x04)
                            {
                                0x88, 0x08, 0xEC, 0x10
                            },

                            "layout-id",
                            Buffer (0x04)
                            {
                                0x0C, 0x00, 0x00, 0x00
                            },

                            "device-type",
                            Buffer (0x11)
                            {
                                "Realtek ALC888-2"
                            },

                            "PinConfigurations",
                            Buffer (0x28)
                            {
                                /* 0000 */    0x10, 0x40, 0x11, 0x01, 0x70, 0x10, 0x01, 0x01,
                                /* 0008 */    0x80, 0x60, 0x01, 0x01, 0x90, 0x20, 0x01, 0x01,
                                /* 0010 */    0x40, 0x90, 0xA1, 0x01, 0x50, 0x90, 0xA1, 0x02,
                                /* 0018 */    0xa0, 0x30, 0x81, 0x01, 0x20, 0x40, 0x21, 0x02,
                                /* 0020 */    0x30, 0x60, 0x4B, 0x01, 0x60, 0x70, 0xCB, 0x01
                            }
                        }, Local0)

°¢ Ç׸ñµéÀ» ´ë·« »ìÆìº¸ÀÚ¸é,

"Package(0x08)"¿¡¼­ (0x08)ÀÌ ÀǹÌÇÏ´Â ¹Ù´Â, (Package¿¡ µé¾î°¥ Ç׸ñÀÇ ¼ö ¡¿ 2)¸¦ ¶æÇÕ´Ï´Ù.

ÀÌ °æ¿ì¿¡´Â "codec-id", "layout-id", "device-type", "PinConfigurations" 4°³ÀÇ Ç׸ñÀÌ ÀÖÀ¸¹Ç·Î 8ÀÇ 16Áø¼ö Ç¥±â·Î 0x08ÀÌ µË´Ï´Ù.

"built-in" Ç׸ñÀÌ Ãß°¡µÇ¾î 5°³ÀÇ Ç׸ñÀÌ µé¾î°£´Ù¸é, 10ÀÇ 16Áø¼ö Ç¥±â·Î (0x0a)°¡ µË´Ï´Ù.




Quote:                            "codec-id",
                            Buffer (0x04)
                            {
                                0x88, 0x08, 0xEC, 0x10
                            }

16Áø¼ö 4°³(0x04)·Î "codec-id"¸¦ Á¤ÀÇÇÑ´Ù´Â ³»¿ëÀÔ´Ï´Ù.

¿©±â¿¡´Â, ÄÚµ¦ ´ýÇÁÀÇ Ã¹ºÎºÐ¿¡ ³ª¿À´Â "Vendor Id"¸¦ ½áÁÝ´Ï´Ù.

ÀÌ °¡À̵åÀÇ °æ¿ì, ÄÚµ¦ ´ýÇÁÀÇ "Vendor Id"´Â 0x10ec0888À̸ç, ÀÌ 16Áø¼ö ID¸¦ °¢°¢ µÎÀÚ¸®¾¿ ²÷¾î¼­ "10, ec, 08, 88"·Î ÇÏ¿© °¢°¢À» 16Áø¼ö·Î Ç¥±âÇÑ ÈÄ, ¹Ý´ëÀÇ ¼ø¼­(byte flip)·Î ¹è¿­ÇØÁÝ´Ï´Ù.




Quote:                            "layout-id",
                            Buffer (0x04)
                            {
                                0x0C, 0x00, 0x00, 0x00
                            }

ÀÌ "layout-id"´Â "½Ã½ºÅÛ Á¤º¸ º¸±â - ¿Àµð¿À"¿¡¼­ "¿Àµð¿À ID" Ç׸ñÀ¸·Î Ç¥½ÃµË´Ï´Ù.

"layout-id"¿¡ ´ëÇØ¼­´Â, ´ÙÀ½¿¡ À̾îÁú (4-2)ÀÇ ³»¿ëÀ» Âü°íÇϽñ⠹ٶø´Ï´Ù.




Quote:                            "device-type",
                            Buffer (0x11)
                            {
                                "Realtek ALC888-2"
                            }

¿Àµð¿À ÀåÄ¡ÀÇ À̸§À» ½áÁÝ´Ï´Ù.

(°ø¹éÀ» Æ÷ÇÔÇÑ ±ÛÀÚ ¼ö + 1)ÀÌ ÃÑ 17±ÛÀÚ(0x11)¶ó´Â ÀǹÌÀÔ´Ï´Ù.




Quote:                            "PinConfigurations",
                            Buffer (0x28)
                            {
                                /* 0000 */    0x10, 0x40, 0x11, 0x01, 0x70, 0x10, 0x01, 0x01,
                                /* 0008 */    0x80, 0x60, 0x01, 0x01, 0x90, 0x20, 0x01, 0x01,
                                /* 0010 */    0x40, 0x90, 0xA1, 0x01, 0x50, 0x90, 0xA1, 0x02,
                                /* 0018 */    0xa0, 0x30, 0x81, 0x01, 0x20, 0x40, 0x21, 0x02,
                                /* 0020 */    0x30, 0x60, 0x4B, 0x01, 0x60, 0x70, 0xCB, 0x01
                            }

¾Õ¼± 2Àå¿¡¼­ ÄÚµ¦ ´ýÇÁ¸¦ ÀÌ¿ëÇÏ¿© ¸¸µé¾î ³½ "PinConfiguration" ÀÔ´Ï´Ù. "½Ã½ºÅÛ Á¤º¸ º¸±â-¿Àµð¿À"ÀÇ ³»¿ëÁß "»ç¿ë °¡´ÉÇÑ Àåºñ"¿¡ ÀÌ ³»¿ë´ë·Î ÀÔÃâ·Â Æ÷Æ®ÀÇ Á¤º¸°¡ Ç¥½ÃµË´Ï´Ù.

(0x28)Àº 10Áø¼ö·Î 40À̸ç, ÀÌ´Â 40°³ÀÇ 16Áø¼ö Á¤º¸¸¦ »ç¿ëÇÑ´Ù´Â ÀǹÌÀÔ´Ï´Ù.

°¢ ¿­ÀÇ Ã³À½¿¡ ÁÖ¼®Ã³¸®µÈ ¼ýÀÚ(/*XXXX*/)´Â "ÀÌÀü ¿­"±îÁöÀÇ "PinConfiguration" °³¼ö¸¦ ÀǹÌÇÕ´Ï´Ù.

16Áø¼ö À̹ǷÎ, 10Áø¼ö·Î ÇÏ¸é °¢°¢ 0, 8, 16, 24, 32°¡ µË´Ï´Ù.

ÁÖ¼®Ã³¸®µÈ ºÎºÐÀº ÄÄÆÄÀÏ °úÁ¤¿¡¼­ Á¦¿ÜµÇ¹Ç·Î Ʋ¸®°Ô ½áµµ »ó°üÀº ¾ø½À´Ï´Ù.



AppleHDA.kext¿¡ ConfigData¸¦ Àû¿ëÇØÁÖ¸é, DSDT¿¡¼­ "PinConfigurations" Ç׸ñÀÇ ³»¿ëÀ» ³Ö¾îÁÖÁö ¾Ê¾Æµµ "½Ã½ºÅÛ Á¤º¸ º¸±â-¿Àµð¿À"Ç׸ñ¿¡ "»ç¿ë °¡´ÉÇÑ Àåºñ"°¡ ¸ðµÎ Ç¥½ÃµË´Ï´Ù.

´ÙÀ½ °úÁ¤¿¡¼­ AppleHDA.kext¿¡ ConfigData¸¦ Àû¿ëÇØ ÁÙ °ÍÀε¥, "PinConfigurations"ÀÇ Á¤º¸´Â ¸ðµÎ°¡ ConfigData¿¡¼­ ³ª¿Â °ÍÀ̱⠶§¹®ÀÔ´Ï´Ù.

½ÇÁ¦·Î Àú´Â DSDTÀÇ "PinConfigurations" Ç׸ñÀ» ´ÙÀ½°ú °°ÀÌ »ç¿ëÇÕ´Ï´Ù.

Quote:                            "PinConfigurations",
                            Buffer (zero)
                            {
                            }





XCODEÀÇ IORegistryExplorer¿¡¼­ º¸¿©ÁÖ´Â HDEFÀÇ ³»¿ë°ú DSDTÀÇ ³»¿ëÀ» ºñ±³ÇØ º¸½Ã¸é À§ÀÇ ³»¿ëÀ» ÀÌÇØÇϽôµ¥ µµ¿òÀÌ µÇ¸®¶ó »ý°¢µË´Ï´Ù.




"½Ã½ºÅÛ Á¤º¸ º¸±â-¿Àµð¿À"ÀÇ ³»¿ë Áß "Àåºñ ID"°¡ "subsystem-vender-id"¿Í "subsystem-id"ÀÇ Á¶ÇÕÀÓµµ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.





4-2. ÄÚµ¦ ´ýÇÁÀÇ Á¤º¸¿Í "ConfigData"¸¦ ÀÌ¿ëÇÑ "AppleHDAHardwareConfigDriver.kext/Contents/Info.plist"ÀÇ ¼öÁ¤

ÀÌÁ¦ º»°ÝÀûÀ¸·Î "AppleHDA.kext" ÆÄÀÏÀ» °Çµå·Á º¸µµ·Ï ÇϰڽÀ´Ï´Ù.

ÀÌ °¡À̵忡¼­ ½ÇÁ¦·Î »ç¿ëÇÒ "AppleHDA.kext" ÆÄÀÏÀº "Snow Leopard"ÀÇ ¿øº» "AppleHDA.kext" ÆÄÀÏÀÔ´Ï´Ù.

÷ºÎÇÑ ¾ÐÃà ÆÄÀÏ¿¡´Â ´ÙÀ½ÀÇ ¼¼°¡Áö ÆÄÀϵéÀÌ µé¾î ÀÖ½À´Ï´Ù.

- 10.6 Snow Leopard Retail ¼³Ä¡°úÁ¤¿¡¼­ ³ª¿À´Â ¿øº» AppleHDA.kext ÆÄÀÏ

- ¿øº» AppleHDA.kext ÆÄÀÏÀ» ALC888¿¡ ¸Â°Ô Analog 4Æ÷Æ® Ãâ·ÂÀ¸·Î ¼öÁ¤ÇÑ ÆÄÀÏ(ALC888_Analog_AppleHDA.kext)

- ¿øº» AppleHDA.kext ÆÄÀÏÀ» ALC888¿¡ ¸Â°Ô Analog 3Æ÷Æ® + S/PDIF Digital Ãâ·ÂÀ¸·Î ¼öÁ¤ÇÑ ÆÄÀÏ(ALC888-Digital_AppleHDA.kext)

÷ºÎµÈ ÆÄÀÏÀ» ´Ù¿î·ÎµåÇÏ¿©, "AppleHDA.kext" ÆÄÀÏÀ» ¼öÁ¤Çϼŵµ µÇ°í, ALC888 ÄÚµ¦¿¡ ¸Â°Ô ¼öÁ¤ÇÑ ÆÄÀÏÀ» »ç¿ëÇϼŵµ µË´Ï´Ù.


"AppleHDA.kext/Content/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.plist"¸¦ Property List Editior·Î ¿­¾îÁÝ´Ï´Ù.

""Information Property List ¡æ IOKitPersonalities ¡æ HDA Hardware Config Resource ¡æ HDAConfigDefault"¿¡ ÀÖ´Â 18°³ÀÇ ÇÏÀ§ Ç׸ñµé Áß, "Item 1" Ç׸ñ¸¸ ³²±â°í ¸ðµÎ »èÁ¦ÇØÁÝ´Ï´Ù.





³²°Ü ³õÀº "Information Property List ¡æ IOKitPersonalities ¡æ HDA Hardware Config Resource ¡æ HDAConfigDefault ¡æ Item 1"ÀÇ ÇÏÀ§ Ç׸ñµéÀ» ¼öÁ¤ÇØ º¸°Ú½À´Ï´Ù.



ù¹øÂ° Ç׸ñÀÎ "AFGLowPowerState"´Â ¸ô¶ó¼­ ¾ÈÇß½À´Ï´Ù¡¦ ±×·¡¼­ Åë°úÇÕ´Ï´Ù¡¦ ¤»


µÎ¹øÂ° Ç׸ñÀÎ "CodecID"¸¦ º¸°Ú½À´Ï´Ù.

¸®´ª½º ÄÚµ¦ ´ýÇÁÀÇ Ã¹ ºÎºÐ¿¡ º¸¸é "Vender ID"¶ó´Â Ç׸ñÀÌ ÀÖ½À´Ï´Ù.

ÀÌ °¡À̵åÀÇ °æ¿ì¿¡´Â "0x10ec0888"·Î µÇ¾îÀÖ½À´Ï´Ù.

"ÀÀ¿ëÇÁ·Î±×·¥ ¡æ °è»ê±â"ÀÇ ÇÁ·Î±×·¡¸Ó ¹öÀüÀ¸·Î 16Áø¼ö "10ec0888"À» ±×´ë·Î 10Áø¼ö·Î ¹Ù²ãº¸¸é "283904136"ÀÌ µË´Ï´Ù.

10Áø¼ö·Î ¹Ù²ãÁØ ±×´ë·Î ³Ö¾îÁÖ½Ã¸é µÇ°Ú½À´Ï´Ù.

3Àå¿¡¼­ ³ëµå ¿¬°áÀ» ±¸¼ºÇÏ´Â °úÁ¤¿¡¼­µµ ±×·¨¾úÁö¸¸, ÄÚµ¦ ´ýÇÁ¿Í DSDT¿¡¼­´Â 16Áø¼ö¸¦ »ç¿ëÇϰí AppleHDA.kext¿¡¼­´Â 10Áø¼ö¸¦ »ç¿ëÇϹǷÎ, ÀÌ·¯ÇÑ °úÁ¤ÀÌ ÇÊ¿äÇÕ´Ï´Ù.


¼¼¹øÂ° Ç׸ñÀÎ "ConfigData"´Â Á¦¸ñ¸¸ µü ºÁµµ °¨ÀÌ ¿À½ÃÁÒ?

±×·¸½À´Ï´Ù~ 2Àå¿¡¼­ "codec verb" »ðÁú·Î Èûµé°Ô ±¸ÇÑ "ConfigData"¸¦ ²©ÀÎ °ýÈ£(<, >)·Î ¹­¾î¼­ ±×³É ³Ö¾î ÁÖ½Ã¸é µÇ°Ú½À´Ï´Ù.

¾Õ¿¡¼­µµ °­Á¶ÇßÁö¸¸, ¸ðµç "codec verb"´Â ¿ÀÁ÷ space 1Ä­À¸·Î¸¸ ±¸ºÐµÇ¾î¾ß ÇÕ´Ï´Ù.

"ConfigData"¸¦ ³Ö¾îÁֽøé, DSDT¿¡ "PinConfigurations"¸¦ Á¤ÀÇÇØ ÁÖÁö ¾Ê¾Æµµ "½Ã½ºÅÛ Á¤º¸ º¸±â-¿Àµð¿À"¿¡¼­ ¸ðµç ÀÔÃâ·Â ÀåÄ¡°¡ ³ªÅ¸³³´Ï´Ù.


³×¹øÂ° Ç׸ñÀÎ "FuncGroup"Àº, »ý°¢ÇÏÁö ¸»°í ±×³É "1"À» ½áÁÝ´Ï´Ù.

¿Ö³ÄÇϸ顦

"Intel High Definition Audio Specification"¿¡ "1"À̶ó°í Á¤ÀǵǾî Àֱ⠶§¹®ÀÔ´Ï´Ù¡¦ ¤»

Audio Function GroupÀº 1, Modem Function GroupÀº 2, ¡¦ µîµî¡¦ ÀÚ¼¼ÇÑ ³»¿ëÀº "Intel High Definition Audio Specification"ÀÇ 156ÆäÀÌÁö¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.


´Ù¼¸¹øÂ° Ç׸ñÀÎ "LayoutID"¿¡´Â, ¾Õ¼­ DSDT¿¡¼­ Á¤ÀÇÇØÁØ "layout-id"¿Í °°Àº ID¸¦ ³Ö¾îÁÝ´Ï´Ù.

À§ÀÇ DSDT ¼öÁ¤ °úÁ¤¿¡¼­ º¸¸é, "layout-id"°¡ "0x0c, 0x00, 0x00, 0x00"À¸·Î µÇ¾îÀÖ½À´Ï´Ù.

16Áø¼ö·Î 0x0000000c, Áï 10Áø¼ö·Î 12¸¦ »ç¿ëÇßÀ¸¹Ç·Î ¿©±â¿¡µµ 12·Î ÁöÁ¤ÇØÁÝ´Ï´Ù.

"LayoutID" °ªÀº, ´ÙÀ½¿¡ ¼öÁ¤ÇÒ "AppleHDA.kext/Content/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.plist"¿¡¼­µµ µ¿ÀÏÇÑ °ªÀ» »ç¿ëÇØ¾ß ÇÕ´Ï´Ù.





¿©±â¼­ Àá±ñ "Layout ID"¿¡ ´ëÇÑ °³ÀÎÀûÀÎ »ý°¢À» ¸»¾¸µå¸®Àڸ顦

"Snow Leopard"ÀÇ ¿øº» "AppleHDA.kext"¿¡¼­ "AppleHDAHardwareConfigDriver.kext"¿Í "AppleHDAPlatformDriver.kext"ÀÇ Info.plist¸¦ º¸¸é, ´ÙÀ½ ±×¸²°ú °°ÀÌ ¸Å¿ì ¸¹Àº ¿Àµð¿À Ĩ¼Âµé¿¡ ´ëÇÑ Ç׸ñµéÀÌ ÀÖ½À´Ï´Ù.




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