| Shelley Chen | 9b230ae | 2023-09-15 16:01:31 -0700 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
| 3 | #define JT_FUNC_SUPPORT 0 |
| 4 | #define JT_FUNC_CAPS 1 |
| 5 | #define JT_FUNC_POWERCONTROL 3 |
| 6 | #define JT_FUNC_PLATPOLICY 4 |
| 7 | |
| 8 | Method (NVJT, 2, Serialized) |
| 9 | { |
| 10 | Switch (ToInteger(Arg0)) |
| 11 | { |
| 12 | Case (JT_FUNC_SUPPORT) |
| 13 | { |
| 14 | Return (ITOB( |
| 15 | (1 << JT_FUNC_SUPPORT) | |
| 16 | (1 << JT_FUNC_CAPS) | |
| 17 | (1 << JT_FUNC_POWERCONTROL) | |
| 18 | (1 << JT_FUNC_PLATPOLICY))) |
| 19 | } |
| 20 | Case (JT_FUNC_CAPS) |
| 21 | { |
| 22 | Return (ITOB( |
| 23 | (0 << 0) | /* JTE: G-Sync NVSR Power Features Enabled */ |
| 24 | (1 << 0) | /* NVSE: NVSR Disabled */ |
| 25 | (0 << 3) | /* PPR: Panel Power Rail */ |
| 26 | (0 << 5) | /* SRPR: Self-Refresh Controller Power Rail */ |
| 27 | (0 << 6) | /* FBPR: FB Power Rail */ |
| 28 | (0 << 8) | /* GPR: GPU Power Rail */ |
| 29 | (0 << 10) | /* GCR: GC6 ROM */ |
| 30 | (1 << 11) | /* PTH: No SMI Handler */ |
| 31 | (0 << 12) | /* NOT: Supports Notify on GC6 State done */ |
| 32 | (1 << 13) | /* MHYB: MS Hybrid Support (deferred GC6) */ |
| 33 | (0 << 14) | /* RPC: Root Port Control */ |
| 34 | (0 << 15) | /* GC6 Version (GC6-E) */ |
| 35 | (0 << 17) | /* GEI: GC6 Exit ISR Support */ |
| 36 | (0 << 18) | /* GSW: GC6 Self Wakeup */ |
| 37 | (0x200 << 20))) /* MXRV: Highest Revision */ |
| 38 | } |
| 39 | Case (JT_FUNC_POWERCONTROL) |
| 40 | { |
| 41 | CreateField (Arg1, 0, 3, GPC) /* GPU Power Control */ |
| 42 | CreateField (Arg1, 4, 1, PPC) /* Panel Power Control */ |
| 43 | CreateField (Arg1, 14, 2, DFGC) /* Defer GC6 enter/exit */ |
| 44 | CreateField (Arg1, 16, 3, GPCX) /* Deferred GC6 exit */ |
| 45 | |
| 46 | /* Deferred GC6 entry/exit is requested */ |
| 47 | If (ToInteger(GPC) != 0 || ToInteger(DFGC) != 0) |
| 48 | { |
| 49 | DFEN = ToInteger(DFGC) |
| 50 | DFCI = ToInteger(GPC) |
| 51 | DFCO = ToInteger(GPCX) |
| 52 | } |
| 53 | |
| 54 | Local0 = Buffer (4) { 0x0 } |
| 55 | CreateField (Local0, 0, 3, CGCS) /* Current GC State */ |
| 56 | CreateField (Local0, 3, 1, CGPS) /* Current GPU power status */ |
| 57 | CreateField (Local0, 7, 1, CPSS) /* Current panel and SRC state */ |
| 58 | |
| 59 | /* Leave early if deferred GC6 is requested */ |
| 60 | If (DFEN != 0) |
| 61 | { |
| 62 | CGCS = 1 |
| 63 | CGPS = 1 |
| 64 | Return (Local0) |
| 65 | } |
| 66 | |
| 67 | Switch (ToInteger(GPC)) |
| 68 | { |
| 69 | /* Get GCU GCx Sleep Status */ |
| 70 | Case (NVJT_GPC_GSS) |
| 71 | { |
| 72 | If (PSTA () != 0) |
| 73 | { |
| 74 | CGPS = 1 |
| 75 | CGCS = 1 |
| 76 | } |
| 77 | Else |
| 78 | { |
| 79 | CGPS = 0 |
| 80 | CGCS = 3 |
| 81 | } |
| 82 | } |
| 83 | Case (NVJT_GPC_EGNS) |
| 84 | { |
| 85 | /* Enter GC6; no self-refresh */ |
| 86 | GC6I () |
| 87 | CPSS = 1 |
| 88 | CGCS = 0 |
| 89 | } |
| 90 | Case (NVJT_GPC_EGIS) |
| 91 | { |
| 92 | /* Enter GC6; enable self-refresh */ |
| 93 | GC6I () |
| 94 | If (ToInteger (PPC) == 0) |
| 95 | { |
| 96 | CPSS = 0 |
| 97 | } |
| 98 | CGCS = 0 |
| 99 | } |
| 100 | Case (NVJT_GPS_XGXS) |
| 101 | { |
| 102 | /* Exit GC6; stop self-refresh */ |
| 103 | GC6O () |
| 104 | CGCS = 1 |
| 105 | CGPS = 1 |
| 106 | If (ToInteger (PPC) != 0) |
| 107 | { |
| 108 | CPSS = 0 |
| 109 | } |
| 110 | } |
| 111 | Case (NVJT_GPS_XGIS) |
| 112 | { |
| 113 | /* Exit GC6 for self-refresh */ |
| 114 | GC6O () |
| 115 | CGCS = 1 |
| 116 | CGPS = 1 |
| 117 | If (ToInteger (PPC) != 0) |
| 118 | { |
| 119 | CPSS = 0 |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | Return (Local0) |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | Return (NV_ERROR_UNSUPPORTED) |
| 129 | } |