Angel Pons | 210a008 | 2020-04-02 23:48:24 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Alexey Kharlamov | 93d6ba0 | 2018-01-09 00:50:06 +0300 | [diff] [blame] | 2 | |
| 3 | /* |
| 4 | * This defines the battery charging thresholds setting methods tpacpi-bat can |
| 5 | * use. This implements what the vendor defines but is rather ugly... |
| 6 | */ |
| 7 | |
| 8 | /* SetBatteryCharge Start/Stop Capacity Threshold |
| 9 | * In Parameter: |
| 10 | * DWORD |
| 11 | * Bit 7-0: Charge stop capacity (Unit:%) |
| 12 | * =0: Use battery default setting |
| 13 | * =1-99: Threshold to stop charging battery (Relative capacity) |
| 14 | * Bit 9-8:BatteryID |
| 15 | * = 0: Any battery |
| 16 | * = 1: Primary battery |
| 17 | * = 2: Secondary battery |
| 18 | * = Others: Reserved (0) |
| 19 | * Bit 31-10: Reserved (0) |
Felix Singer | 42efd7f | 2022-12-26 09:38:45 +0100 | [diff] [blame^] | 20 | * Must be 0 |
Alexey Kharlamov | 93d6ba0 | 2018-01-09 00:50:06 +0300 | [diff] [blame] | 21 | * |
| 22 | * Out Parameter: |
| 23 | * DWORD |
| 24 | * Bit 30-0: Reserved (0) |
| 25 | * Bit 31: Error status |
| 26 | * 0 ... Success |
| 27 | * 1 ... Fail |
| 28 | */ |
| 29 | |
| 30 | #define START_THRESH_ARG 0 |
| 31 | #define STOP_THRESH_ARG 1 |
| 32 | |
| 33 | // Set stop threshold |
| 34 | Method (BCSS, 1, NotSerialized) |
| 35 | { |
| 36 | Local0 = Arg0 & 0xff // Percentage |
| 37 | Local1 = (Arg0 >> 8) & 0x3 // Battery ID |
| 38 | |
| 39 | // Any battery |
| 40 | If (Local1 == 0) |
| 41 | { |
| 42 | \_SB.PCI0.LPCB.EC.BAT0.SETT(STOP_THRESH_ARG, Local0) |
| 43 | \_SB.PCI0.LPCB.EC.BAT1.SETT(STOP_THRESH_ARG, Local0) |
| 44 | |
| 45 | Local2 = Local0 != \_SB.PCI0.LPCB.EC.BAT0.GETT(STOP_THRESH_ARG) |
| 46 | Local3 = Local0 != \_SB.PCI0.LPCB.EC.BAT1.GETT(STOP_THRESH_ARG) |
| 47 | |
| 48 | Return ((Local2 && Local3) << 31) |
| 49 | } |
| 50 | |
| 51 | // Battery1 |
| 52 | If (Local1 == 1) |
| 53 | { |
| 54 | \_SB.PCI0.LPCB.EC.BAT0.SETT(STOP_THRESH_ARG, Local0) |
| 55 | Return ((Local0 != |
| 56 | \_SB.PCI0.LPCB.EC.BAT0.GETT(STOP_THRESH_ARG)) << 31) |
| 57 | } |
| 58 | |
| 59 | // Battery2 |
| 60 | If (Local1 == 2) |
| 61 | { |
| 62 | \_SB.PCI0.LPCB.EC.BAT1.SETT(STOP_THRESH_ARG, Local0) |
| 63 | Return ((Local0 != |
| 64 | \_SB.PCI0.LPCB.EC.BAT1.GETT(STOP_THRESH_ARG)) << 31) |
| 65 | } |
| 66 | |
| 67 | Return (1 << 31) /* Should not be reached */ |
| 68 | } |
| 69 | |
| 70 | // Set start threshold |
| 71 | Method (BCCS, 1, NotSerialized) |
| 72 | { |
| 73 | Local0 = Arg0 & 0xff // Percentage |
| 74 | Local1 = (Arg0 >> 8) & 0x3 // Battery ID |
| 75 | |
| 76 | // Any battery |
| 77 | If (Local1 == 0) |
| 78 | { |
| 79 | \_SB.PCI0.LPCB.EC.BAT0.SETT(START_THRESH_ARG, Local0) |
| 80 | \_SB.PCI0.LPCB.EC.BAT1.SETT(START_THRESH_ARG, Local0) |
| 81 | |
| 82 | Local2 = Local0 != \_SB.PCI0.LPCB.EC.BAT0.GETT(START_THRESH_ARG) |
| 83 | Local3 = Local0 != \_SB.PCI0.LPCB.EC.BAT1.GETT(START_THRESH_ARG) |
| 84 | |
| 85 | Return ((Local2 && Local3) << 31) |
| 86 | } |
| 87 | |
| 88 | // Battery1 |
| 89 | If (Local1 == 1) |
| 90 | { |
| 91 | \_SB.PCI0.LPCB.EC.BAT0.SETT(START_THRESH_ARG, Local0) |
| 92 | Return ((Local0 != |
| 93 | \_SB.PCI0.LPCB.EC.BAT0.GETT(START_THRESH_ARG)) << 31) |
| 94 | } |
| 95 | |
| 96 | // Battery2 |
| 97 | If (Local1 == 2) |
| 98 | { |
| 99 | \_SB.PCI0.LPCB.EC.BAT1.SETT(START_THRESH_ARG, Local0) |
| 100 | Return ((Local0 != |
| 101 | \_SB.PCI0.LPCB.EC.BAT1.GETT(START_THRESH_ARG)) << 31) |
| 102 | } |
| 103 | |
| 104 | Return (1 << 31) /* Should not be reached */ |
| 105 | } |
| 106 | |
| 107 | /* |
| 108 | * GetBatteryCharge Start/Stop Capacity Threshold |
| 109 | * In Parameter: |
| 110 | * DWORD |
| 111 | * Bit 7-0:BatteryID |
| 112 | * Bit 31-8: Reserved (0) |
Felix Singer | 42efd7f | 2022-12-26 09:38:45 +0100 | [diff] [blame^] | 113 | * Must be 0 |
Alexey Kharlamov | 93d6ba0 | 2018-01-09 00:50:06 +0300 | [diff] [blame] | 114 | * |
| 115 | * Out Parameter: |
| 116 | * DWORD |
| 117 | * Bit 7-0: Charge stop capacity (Unit:%) |
| 118 | * =0: Use battery default setting |
| 119 | * =1-99: Threshold to stop charging battery (Relative capacity) |
| 120 | * =Others: Reserved (0) |
| 121 | * Bit 9-8: Capability of BatteryCharge Stop Capacity Threshold |
| 122 | * Bit 8:Batterycharge stop capacity threshold |
| 123 | * (0:Not support 1:Support) |
| 124 | * Bit 9: Specify every battery parameter |
| 125 | * (0:Not support(apply parameter for all battery) |
| 126 | * 1:Support(apply parameter for all battery)) |
| 127 | * Bit 30-10: Reserved (0) |
| 128 | * Bit 31: Error status |
| 129 | * 0 ... Success |
| 130 | * 1 ... Fail |
| 131 | */ |
| 132 | |
| 133 | // Get stop threshold |
| 134 | Method (BCSG, 1, NotSerialized) |
| 135 | { |
| 136 | // Battery1 |
| 137 | If (Arg0 == 1) |
| 138 | { |
| 139 | Return (0x300 | \_SB.PCI0.LPCB.EC.BAT0.GETT(STOP_THRESH_ARG)) |
| 140 | } |
| 141 | |
| 142 | // Battery2 |
| 143 | If (Arg0 == 2) |
| 144 | { |
| 145 | Return (0x300 | \_SB.PCI0.LPCB.EC.BAT1.GETT(STOP_THRESH_ARG)) |
| 146 | } |
| 147 | |
| 148 | Return (1 << 31) |
| 149 | } |
| 150 | |
| 151 | // Get start threshold |
| 152 | Method (BCTG, 1, NotSerialized) |
| 153 | { |
| 154 | // Battery 1 |
| 155 | If (Arg0 == 1) |
| 156 | { |
| 157 | Return (0x300 | \_SB.PCI0.LPCB.EC.BAT0.GETT(START_THRESH_ARG)) |
| 158 | } |
| 159 | |
| 160 | // Battery 2 |
| 161 | If (Arg0 == 2) |
| 162 | { |
| 163 | Return (0x300 | \_SB.PCI0.LPCB.EC.BAT1.GETT(START_THRESH_ARG)) |
| 164 | } |
| 165 | |
| 166 | Return (1 << 31) |
| 167 | } |