Angel Pons | 210a008 | 2020-04-02 23:48:24 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 2 | |
| 3 | // Scope (EC0) |
| 4 | |
| 5 | Device (BATX) |
| 6 | { |
| 7 | Name (_HID, EISAID ("PNP0C0A")) |
| 8 | Name (_UID, 1) |
| 9 | Name (_PCL, Package () { \_SB }) |
| 10 | |
| 11 | Name (PBIF, Package () { |
| 12 | 0x00000001, // Power Unit: mAh |
| 13 | 0xFFFFFFFF, // Design Capacity |
| 14 | 0xFFFFFFFF, // Last Full Charge Capacity |
| 15 | 0x00000001, // Battery Technology: Rechargeable |
| 16 | 0xFFFFFFFF, // Design Voltage |
| 17 | 0x00000003, // Design Capacity of Warning |
| 18 | 0xFFFFFFFF, // Design Capacity of Low |
| 19 | 0x00000001, // Capacity Granularity 1 |
| 20 | 0x00000001, // Capacity Granularity 2 |
| 21 | "", // Model Number |
| 22 | "", // Serial Number |
| 23 | "LION", // Battery Type |
| 24 | "" // OEM Information |
| 25 | }) |
| 26 | |
| 27 | Name (PBST, Package () { |
| 28 | 0x00000000, // Battery State |
| 29 | 0xFFFFFFFF, // Battery Present Rate |
| 30 | 0xFFFFFFFF, // Battery Remaining Capacity |
| 31 | 0xFFFFFFFF, // Battery Present Voltage |
| 32 | }) |
| 33 | Name (BTNM, Zero) // Battery number |
| 34 | |
| 35 | // Workaround for full battery status, enabled by default |
Felix Singer | ca4b587 | 2022-12-26 08:17:06 +0100 | [diff] [blame^] | 36 | Name (BFWK, 1) |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 37 | |
| 38 | // Method to enable full battery workaround |
| 39 | Method (BFWE) |
| 40 | { |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 41 | BFWK = 1 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | // Method to disable full battery workaround |
| 45 | Method (BFWD) |
| 46 | { |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 47 | BFWK = 0 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | Method (_STA, 0, Serialized) |
| 51 | { |
| 52 | If (BOL0) { |
| 53 | Return (0x1F) |
| 54 | } Else { |
| 55 | Return (0x0F) |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | Method (_BIF, 0, Serialized) |
| 60 | { |
| 61 | // Update fields from EC |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 62 | PBIF [0] = BAM0 |
| 63 | PBIF [1] = BDC0 |
| 64 | PBIF [2] = BFC0 |
| 65 | PBIF [4] = BDV0 |
| 66 | Local1 = BFC0 / 100 |
| 67 | Local1 *= 10 |
| 68 | PBIF [5] = Local1 |
| 69 | Local1 = BFC0 / 100 |
| 70 | Local1 *= 3 |
| 71 | PBIF [6] = Local1 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 72 | |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 73 | PBIF [9] = ToString (Concatenate (BATD, 0x00)) // model |
| 74 | PBIF [10] = ToHexString (BSN0) // serial |
| 75 | PBIF [12] = ToString (BMFN) // vendor |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 76 | |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 77 | BTNM = BDN0 // Save the battery number |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 78 | |
| 79 | Return (PBIF) |
| 80 | } |
| 81 | |
| 82 | Method (_BST, 0, Serialized) |
| 83 | { |
| 84 | // |
| 85 | // 0: BATTERY STATE |
| 86 | // |
| 87 | // bit 0 = discharging |
| 88 | // bit 1 = charging |
| 89 | // bit 2 = critical level |
| 90 | // |
| 91 | |
| 92 | // Get battery state from EC and save it for the charging workaround |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 93 | Local0 = BST0 |
| 94 | PBST [0] = Local0 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 95 | |
| 96 | // |
| 97 | // 1: BATTERY PRESENT RATE/CURRENT |
| 98 | // |
| 99 | |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 100 | Local1 = BAC0 |
| 101 | Local1 = 0xFFFF - Local1 |
| 102 | PBST [1] = Local1 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 103 | |
| 104 | // |
| 105 | // 2: BATTERY REMAINING CAPACITY |
| 106 | // |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 107 | Local1 = BFC0 * GAU0 |
| 108 | Local2 = Local1 % 100 |
| 109 | Local1 /= 100 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 110 | |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 111 | If (BFWK && ADPT && !Local0) { |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 112 | // On AC power and battery is neither charging |
| 113 | // nor discharging. Linux expects a full battery |
| 114 | // to report same capacity as last full charge. |
| 115 | // https://bugzilla.kernel.org/show_bug.cgi?id=12632 |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 116 | Local2 = GAU0 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 117 | |
| 118 | // See if within ~3% of full |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 119 | Local3 = Local2 >> 5 |
| 120 | If ((Local1 > (Local2 - Local3)) && (Local1 < (Local2 + Local3))) |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 121 | { |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 122 | Local1 = Local2 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 123 | } |
| 124 | } |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 125 | PBST [2] = Local1 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 126 | |
| 127 | // |
| 128 | // 3: BATTERY PRESENT VOLTAGE |
| 129 | // |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 130 | PBST [3] = BPV0 |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 131 | |
| 132 | // Check the Battery Number |
Elyes HAOUAS | 5b880a1 | 2020-10-06 18:02:47 +0200 | [diff] [blame] | 133 | If(BDN0 != BTNM) { |
Stefan Reinauer | d8a5fd2 | 2012-12-11 15:51:47 -0800 | [diff] [blame] | 134 | Notify(BATX, 0x81) |
| 135 | } |
| 136 | |
| 137 | Return (PBST) |
| 138 | } |
| 139 | } |