projects / mirror_edk2.git / blame
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|---|---|---|
| 3cbfba02 DW |
1 | /************************************************************************************;\r |
| 2 | ;* *;\r | |
| 3 | ;* *;\r | |
| 4 | ;* Intel Corporation - ACPI Reference Code for the Baytrail *;\r | |
| 5 | ;* Family of Customer Reference Boards. *;\r | |
| 6 | ;* *;\r | |
| 7 | ;* MPG-MSAE *;\r | |
| 8 | ;* *;\r | |
| 9 | ;* Copyright (c) 1999 - 2014, Intel Corporation. *;\r | |
| 10 | ;* *;\r | |
| 7ede8060 | 11 | ;* ThSPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 3cbfba02 DW |
12 | ;* *;\r |
| 13 | ;* *;\r | |
| 14 | ;* This program has been developed by Intel Corporation. *;\r | |
| 15 | ;* Licensee has Intel's permission to incorporate this source code *;\r | |
| 16 | ;* into their product, royalty free. This source code may NOT be *;\r | |
| 17 | ;* redistributed to anyone without Intel's written permission. *;\r | |
| 18 | ;* *;\r | |
| 19 | ;* Intel specifically disclaims all warranties, express or *;\r | |
| 20 | ;* implied, and all liability, including consequential and other *;\r | |
| 21 | ;* indirect damages, for the use of this code, including liability *;\r | |
| 22 | ;* for infringement of any proprietary rights, and including the *;\r | |
| 23 | ;* warranties of merchantability and fitness for a particular *;\r | |
| 24 | ;* purpose. Intel does not assume any responsibility for any *;\r | |
| 25 | ;* errors which may appear in this code nor any responsibility to *;\r | |
| 26 | ;* update it. *;\r | |
| 27 | ;* *;\r | |
| 28 | ;* Version: See README.TXT *;\r | |
| 29 | ;* *;\r | |
| 30 | ;************************************************************************************/\r | |
| 31 | \r | |
| 32 | //\r | |
| 33 | // _DSM : Device Specific Method supporting USB Sideband Deferring function\r | |
| 34 | //\r | |
| 35 | // Arg0: UUID Unique function identifier\r | |
| 36 | // Arg1: Integer Revision Level\r | |
| 37 | // Arg2: Integer Function Index\r | |
| 38 | // Arg3: Package Parameters\r | |
| 39 | //\r | |
| 40 | Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})\r | |
| 41 | {\r | |
| 42 | \r | |
| 43 | If (LEqual(Arg0, ToUUID ("A5FC708F-8775-4BA6-BD0C-BA90A1EC72F8")))\r | |
| 44 | {\r | |
| 45 | //\r | |
| 46 | // Switch by function index\r | |
| 47 | //\r | |
| 48 | Switch (ToInteger(Arg2))\r | |
| 49 | {\r | |
| 50 | //\r | |
| 51 | // Standard query - A bitmask of functions supported\r | |
| 52 | // Supports function 0-2\r | |
| 53 | //\r | |
| 54 | Case (0)\r | |
| 55 | {\r | |
| 56 | if (LEqual(Arg1, 1)) // test Arg1 for the revision\r | |
| 57 | {\r | |
| 58 | Return (Buffer () {0x07})\r | |
| 59 | }\r | |
| 60 | else\r | |
| 61 | {\r | |
| 62 | Return (Buffer () {0})\r | |
| 63 | }\r | |
| 64 | }\r | |
| 65 | //\r | |
| 66 | // USB Sideband Deferring Support\r | |
| 67 | // 0: USB Sideband Deferring not supported on this device\r | |
| 68 | // 1: USB Sideband Deferring supported\r | |
| 69 | //\r | |
| 70 | Case (1)\r | |
| 71 | {\r | |
| 72 | if (LEqual(SDGV,0xFF)) // check for valid GPE vector\r | |
| 73 | {\r | |
| 74 | Return (0)\r | |
| 75 | }\r | |
| 76 | else\r | |
| 77 | {\r | |
| 78 | Return (1)\r | |
| 79 | }\r | |
| 80 | }\r | |
| 81 | //\r | |
| 82 | // GPE Vector\r | |
| 83 | // Return the bit offset within the GPE block of the GPIO (HOST_ALERT) driven by this device\r | |
| 84 | //\r | |
| 85 | Case (2)\r | |
| 86 | {\r | |
| 87 | Return (SDGV)\r | |
| 88 | }\r | |
| 89 | }\r | |
| 90 | }\r | |
| 91 | \r | |
| 92 | Return (0)\r | |
| 93 | }\r |