projects / mirror_edk2.git / blame
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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 | |
| 11 | ;* This program and the accompanying materials are licensed and made available under*;\r | |
| 12 | ;* the terms and conditions of the BSD License that accompanies this distribution. *;\r | |
| 13 | ;* The full text of the license may be found at *;\r | |
| 14 | ;* http://opensource.org/licenses/bsd-license.php. *;\r | |
| 15 | ;* *;\r | |
| 16 | ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, *;\r | |
| 17 | ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. *;\r | |
| 18 | ;* *;\r | |
| 19 | ;* *;\r | |
| 20 | ;* This program has been developed by Intel Corporation. *;\r | |
| 21 | ;* Licensee has Intel's permission to incorporate this source code *;\r | |
| 22 | ;* into their product, royalty free. This source code may NOT be *;\r | |
| 23 | ;* redistributed to anyone without Intel's written permission. *;\r | |
| 24 | ;* *;\r | |
| 25 | ;* Intel specifically disclaims all warranties, express or *;\r | |
| 26 | ;* implied, and all liability, including consequential and other *;\r | |
| 27 | ;* indirect damages, for the use of this code, including liability *;\r | |
| 28 | ;* for infringement of any proprietary rights, and including the *;\r | |
| 29 | ;* warranties of merchantability and fitness for a particular *;\r | |
| 30 | ;* purpose. Intel does not assume any responsibility for any *;\r | |
| 31 | ;* errors which may appear in this code nor any responsibility to *;\r | |
| 32 | ;* update it. *;\r | |
| 33 | ;* *;\r | |
| 34 | ;* Version: See README.TXT *;\r | |
| 35 | ;* *;\r | |
| 36 | ;************************************************************************************/\r | |
| 37 | \r | |
| 38 | //\r | |
| 39 | // _DSM : Device Specific Method supporting USB Sideband Deferring function\r | |
| 40 | //\r | |
| 41 | // Arg0: UUID Unique function identifier\r | |
| 42 | // Arg1: Integer Revision Level\r | |
| 43 | // Arg2: Integer Function Index\r | |
| 44 | // Arg3: Package Parameters\r | |
| 45 | //\r | |
| 46 | Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})\r | |
| 47 | {\r | |
| 48 | \r | |
| 49 | If (LEqual(Arg0, ToUUID ("A5FC708F-8775-4BA6-BD0C-BA90A1EC72F8")))\r | |
| 50 | {\r | |
| 51 | //\r | |
| 52 | // Switch by function index\r | |
| 53 | //\r | |
| 54 | Switch (ToInteger(Arg2))\r | |
| 55 | {\r | |
| 56 | //\r | |
| 57 | // Standard query - A bitmask of functions supported\r | |
| 58 | // Supports function 0-2\r | |
| 59 | //\r | |
| 60 | Case (0)\r | |
| 61 | {\r | |
| 62 | if (LEqual(Arg1, 1)) // test Arg1 for the revision\r | |
| 63 | {\r | |
| 64 | Return (Buffer () {0x07})\r | |
| 65 | }\r | |
| 66 | else\r | |
| 67 | {\r | |
| 68 | Return (Buffer () {0})\r | |
| 69 | }\r | |
| 70 | }\r | |
| 71 | //\r | |
| 72 | // USB Sideband Deferring Support\r | |
| 73 | // 0: USB Sideband Deferring not supported on this device\r | |
| 74 | // 1: USB Sideband Deferring supported\r | |
| 75 | //\r | |
| 76 | Case (1)\r | |
| 77 | {\r | |
| 78 | if (LEqual(SDGV,0xFF)) // check for valid GPE vector\r | |
| 79 | {\r | |
| 80 | Return (0)\r | |
| 81 | }\r | |
| 82 | else\r | |
| 83 | {\r | |
| 84 | Return (1)\r | |
| 85 | }\r | |
| 86 | }\r | |
| 87 | //\r | |
| 88 | // GPE Vector\r | |
| 89 | // Return the bit offset within the GPE block of the GPIO (HOST_ALERT) driven by this device\r | |
| 90 | //\r | |
| 91 | Case (2)\r | |
| 92 | {\r | |
| 93 | Return (SDGV)\r | |
| 94 | }\r | |
| 95 | }\r | |
| 96 | }\r | |
| 97 | \r | |
| 98 | Return (0)\r | |
| 99 | }\r |