| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame^] | 1 | /************************************************************************************;
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| 2 | ;* *;
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| 3 | ;* *;
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| 4 | ;* Intel Corporation - ACPI Reference Code for the Baytrail *;
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| 5 | ;* Family of Customer Reference Boards. *;
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| 6 | ;* *;
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| 7 | ;* MPG-MSAE *;
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| 8 | ;* *;
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| 9 | ;* Copyright (c) 1999 - 2014, Intel Corporation. *;
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| 10 | ;* *;
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| 11 | ;* This program and the accompanying materials are licensed and made available under*;
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| 12 | ;* the terms and conditions of the BSD License that accompanies this distribution. *;
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| 13 | ;* The full text of the license may be found at *;
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| 14 | ;* http://opensource.org/licenses/bsd-license.php. *;
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| 15 | ;* *;
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| 16 | ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, *;
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| 17 | ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. *;
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| 18 | ;* *;
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| 19 | ;* *;
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| 20 | ;* This program has been developed by Intel Corporation. *;
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| 21 | ;* Licensee has Intel's permission to incorporate this source code *;
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| 22 | ;* into their product, royalty free. This source code may NOT be *;
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| 23 | ;* redistributed to anyone without Intel's written permission. *;
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| 24 | ;* *;
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| 25 | ;* Intel specifically disclaims all warranties, express or *;
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| 26 | ;* implied, and all liability, including consequential and other *;
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| 27 | ;* indirect damages, for the use of this code, including liability *;
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| 28 | ;* for infringement of any proprietary rights, and including the *;
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| 29 | ;* warranties of merchantability and fitness for a particular *;
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| 30 | ;* purpose. Intel does not assume any responsibility for any *;
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| 31 | ;* errors which may appear in this code nor any responsibility to *;
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| 32 | ;* update it. *;
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| 33 | ;* *;
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| 34 | ;* Version: See README.TXT *;
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| 35 | ;* *;
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| 36 | ;************************************************************************************/
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| 37 |
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| 38 | //
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| 39 | // _DSM : Device Specific Method supporting USB Sideband Deferring function
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| 40 | //
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| 41 | // Arg0: UUID Unique function identifier
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| 42 | // Arg1: Integer Revision Level
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| 43 | // Arg2: Integer Function Index
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| 44 | // Arg3: Package Parameters
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| 45 | //
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| 46 | Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})
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| 47 | {
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| 48 |
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| 49 | If (LEqual(Arg0, ToUUID ("A5FC708F-8775-4BA6-BD0C-BA90A1EC72F8")))
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| 50 | {
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| 51 | //
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| 52 | // Switch by function index
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| 53 | //
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| 54 | Switch (ToInteger(Arg2))
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| 55 | {
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| 56 | //
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| 57 | // Standard query - A bitmask of functions supported
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| 58 | // Supports function 0-2
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| 59 | //
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| 60 | Case (0)
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| 61 | {
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| 62 | if (LEqual(Arg1, 1)) // test Arg1 for the revision
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| 63 | {
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| 64 | Return (Buffer () {0x07})
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| 65 | }
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| 66 | else
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| 67 | {
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| 68 | Return (Buffer () {0})
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| 69 | }
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| 70 | }
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| 71 | //
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| 72 | // USB Sideband Deferring Support
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| 73 | // 0: USB Sideband Deferring not supported on this device
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| 74 | // 1: USB Sideband Deferring supported
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| 75 | //
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| 76 | Case (1)
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| 77 | {
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| 78 | if (LEqual(SDGV,0xFF)) // check for valid GPE vector
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| 79 | {
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| 80 | Return (0)
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| 81 | }
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| 82 | else
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| 83 | {
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| 84 | Return (1)
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| 85 | }
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| 86 | }
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| 87 | //
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| 88 | // GPE Vector
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| 89 | // Return the bit offset within the GPE block of the GPIO (HOST_ALERT) driven by this device
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| 90 | //
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| 91 | Case (2)
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| 92 | {
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| 93 | Return (SDGV)
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| 94 | }
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | Return (0)
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| 99 | }
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