| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #if !CONFIG(EC_USE_LGMR) |
| /* TODO: Consider actually enforcing mutex? */ |
| Mutex (BMTX, 0) |
| #endif |
| Name (B0ST, 0) /* Battery 0 status */ |
| |
| /* |
| * EC Registers |
| * |
| * "EBID" is the battery page selector. |
| * |
| * |
| * Data on the 128 bits following offset |
| * 0xE0 is accessed in the following order: |
| * |
| * Information: |
| * Page 0: EBCM # start on page 0 # |
| * Page 0: EBFC |
| * Page 1: EBDC # switch to page 1 # |
| * Page 1: EBDV |
| * Page 1: EBSN |
| * Page 3: EBDN # switch to page 3 # |
| * Page 4: EBCH # switch to page 4 # |
| * Page 2: EBMN # switch to page 2 # |
| * |
| * Status: |
| * Page 0: EBAC # start on page 0 # |
| * Page 0: EBRC |
| * Page 0: EBFC |
| * Page 0: EBVO |
| */ |
| /* Page 0 */ |
| Field (RAM, ByteAcc, Lock, Preserve) |
| { |
| Offset (0xE0), |
| EBRC, 16, /* Battery remaining capacity */ |
| EBFC, 16, /* Battery full charge capacity */ |
| EBPE, 16, |
| EBAC, 16, /* Battery present rate */ |
| EBVO, 16, /* Battery voltage */ |
| , 15, |
| EBCM, 1, /* Battery charging */ |
| EBCU, 16, |
| EBTV, 16, |
| } |
| |
| /* Page 1 */ |
| Field (RAM, ByteAcc, Lock, Preserve) |
| { |
| Offset (0xE0), |
| EBDC, 16, /* Battery design capacity */ |
| EBDV, 16, /* Battery design voltage */ |
| EBSN, 16, /* Battery serial number */ |
| } |
| |
| /* Page 2 */ |
| Field (RAM, ByteAcc, NoLock, Preserve) |
| { |
| Offset (0xE0), |
| EBMN, 128, /* Battery manufacturer */ |
| } |
| |
| /* Page 3 */ |
| Field (RAM, ByteAcc, NoLock, Preserve) |
| { |
| Offset (0xE0), |
| EBDN, 128, /* Battery model */ |
| } |
| |
| /* Page 4 */ |
| Field (RAM, ByteAcc, NoLock, Preserve) |
| { |
| Offset (0xE0), |
| EBCH, 128, /* Battery type */ |
| } |
| |
| #if CONFIG(EC_USE_LGMR) |
| OperationRegion (MBB0, SystemMemory, (LGMR + 0x80), 0xFF) |
| Field (MBB0, ByteAcc, Lock, Preserve) |
| { |
| MBRC, 16, |
| MBFC, 16, |
| MBPE, 16, |
| MBAC, 16, |
| MBVO, 16, |
| , 15, |
| MBCM, 1, |
| MBCU, 16, |
| MBTV, 16, |
| } |
| |
| Field (MBB0, ByteAcc, Lock, Preserve) |
| { |
| Offset (0x10), |
| MBDC, 16, |
| MBDV, 16, |
| MBSN, 16, |
| } |
| |
| Field (MBB0, ByteAcc, Lock, Preserve) |
| { |
| Offset (0x40), |
| MBMN, 128, |
| } |
| |
| Field (MBB0, ByteAcc, Lock, Preserve) |
| { |
| Offset (0x50), |
| MBDN, 256, |
| } |
| |
| Field (MBB0, ByteAcc, Lock, Preserve) |
| { |
| Offset (0x70), |
| MBCH, 128, |
| } |
| #endif |
| |
| /* |
| * Arg0: Battery number |
| * Arg1: Battery Information Package |
| * Arg2: Status |
| */ |
| #if !CONFIG(EC_USE_LGMR) |
| Method (GBIF, 3, Serialized) |
| { |
| Acquire (BMTX, 0xFFFF) // Due to EC paging, don't run this with another function |
| #else |
| Method (GBIF, 3, NotSerialized) |
| { |
| #endif |
| If (Arg2) |
| { |
| Arg1[1] = 0xFFFFFFFF |
| Arg1[2] = 0xFFFFFFFF |
| Arg1[4] = 0xFFFFFFFF |
| Arg1[5] = 0 |
| Arg1[6] = 0 |
| } |
| Else |
| { |
| #if CONFIG(EC_USE_LGMR) |
| Local0 = MBCM |
| #else |
| EBID = 0 // We don't know which page was active |
| Local0 = EBCM |
| #endif |
| Arg1[0] = (Local0 ^ 1) |
| |
| #if CONFIG(EC_USE_LGMR) |
| Local2 = MBFC |
| Local1 = MBDC |
| #else |
| Local2 = EBFC |
| EBID = 1 |
| Local1 = EBDC |
| #endif |
| If (Local0) |
| { |
| Local2 *= 10 |
| Local1 *= 10 |
| } |
| |
| Arg1[1] = Local1 // Design capacity |
| Arg1[2] = Local2 // Last full charge capacity |
| #if CONFIG(EC_USE_LGMR) |
| Arg1[4] = MBDV // Design voltage |
| #else |
| Arg1[4] = EBDV // Design voltage |
| #endif |
| Local6 = (Local2 / 100) // Warning capacities; Remainders ignored |
| Arg1[5] = (Local6 * 7) /* Low: 7% */ |
| Arg1[6] = ((Local6 * 11) / 2) /* Very low: 5.5% */ |
| #if CONFIG(EC_USE_LGMR) |
| Local7 = MBSN |
| #else |
| Local7 = EBSN |
| #endif |
| Name (SERN, Buffer (0x06) { " " }) |
| /* |
| * Convert hex to decimal. |
| * - There appears to be a bug in the vendor's implementation: |
| * The correct answer has, or can have, 5 digits, so Local6 = 5. |
| * Also see "SERN" buffer. |
| * - Userspace prints reversed serial number? |
| */ |
| Local6 = 4 |
| While (Local7) |
| { |
| Local5 = Local7 % 10 |
| Local7 = Local7 / 10 |
| SERN[Local6] = (Local5 + 0x30) // Add 0x30 to get numeric ASCII |
| Local6-- |
| } |
| |
| Arg1[10] = SERN // Serial number |
| #if CONFIG(EC_USE_LGMR) |
| Arg1[9] = MBDN // Model number |
| Arg1[11] = MBCH // Battery type |
| Arg1[12] = MBMN // OEM information |
| #else |
| EBID = 3 |
| Arg1[9] = EBDN // Model number |
| EBID = 4 |
| Arg1[11] = EBCH // Battery type |
| EBID = 2 |
| Arg1[12] = EBMN // OEM information |
| #endif |
| } |
| |
| #if !CONFIG(EC_USE_LGMR) |
| Release (BMTX) |
| #endif |
| Return (Arg1) |
| } |
| |
| /* |
| * Arg0: Battery number |
| * Arg1: State information |
| * Arg2: Power units |
| * Arg3: Battery Status Package |
| */ |
| Method (GBST, 4, NotSerialized) // All on one page |
| { |
| #if !CONFIG(EC_USE_LGMR) |
| Acquire (BMTX, 0xFFFF) // Due to EC paging, don't run this with another function |
| #endif |
| If (Arg1 & 0x02) // BIT1 in "MB0S/EB0S" |
| { |
| Local0 = 2 |
| If (Arg1 & 0x20) // "EB0F" |
| { |
| Local0 = 0 |
| } |
| } |
| ElseIf (Arg1 & 0x04) // BIT2 in "MB0S/EB0S" |
| { |
| Local0 = 1 |
| } |
| Else |
| { |
| Local0 = 0 |
| } |
| |
| If (Arg1 & 0x10) // "EB0L" |
| { |
| Local0 |= 0x04 |
| } |
| |
| If (Arg1 & 0x01) // "EB0A" |
| { |
| /* |
| * Present rate is a 16bit signed int, positive while charging |
| * and negative while discharging. |
| */ |
| #if CONFIG(EC_USE_LGMR) |
| Local1 = MBAC |
| Local2 = MBRC |
| If (MACS) // Charging |
| #else |
| EBID = 0 // We don't know which page was active |
| Local1 = EBAC |
| Local2 = EBRC |
| If (EACS) // Charging |
| #endif |
| { |
| If (Arg1 & 0x20) // "EB0F" |
| { |
| #if CONFIG(EC_USE_LGMR) |
| Local2 = MBFC |
| #else |
| Local2 = EBFC |
| #endif |
| } |
| } |
| |
| If (Arg2) |
| { |
| Local2 *= 10 |
| } |
| |
| #if CONFIG(EC_USE_LGMR) |
| Local3 = MBVO |
| #else |
| Local3 = EBVO |
| #endif |
| /* |
| * The present rate value should be positive unless discharging. If so, |
| * negate present rate. |
| */ |
| If (Local1 >= 0x8000) |
| { |
| If (Local0 & 0x01) |
| { |
| Local1 = (0x00010000 - Local1) |
| } |
| Else |
| { |
| Local1 = 0 // Full battery, force to 0 |
| } |
| } |
| /* |
| * If that was not the case, we have an EC bug or inconsistency |
| * and force the value to 0. |
| */ |
| ElseIf ((Local0 & 0x02) == 0) |
| { |
| Local1 = 0 |
| } |
| |
| If (Arg2) |
| { |
| Local1 *= Local3 |
| Local1 /= 1000 /* Remainder ignored by vendor */ |
| } |
| } |
| Else |
| { |
| Local0 = 0 |
| Local1 = 0xFFFFFFFF |
| Local2 = 0xFFFFFFFF |
| Local3 = 0xFFFFFFFF |
| } |
| |
| Arg3[0] = Local0 |
| Arg3[1] = Local1 |
| Arg3[2] = Local2 |
| Arg3[3] = Local3 |
| |
| #if !CONFIG(EC_USE_LGMR) |
| Release (BMTX) |
| #endif |
| Return (Arg3) |
| } |
| |
| Device (BAT0) |
| { |
| Name (_HID, EisaId ("PNP0C0A") /* Control Method Battery */) // _HID: Hardware ID |
| Name (_UID, 0) // _UID: Unique ID |
| Name (_PCL, Package () { \_SB }) // _PCL: Power Consumer List |
| |
| Name (B0IP, Package (0x0D) |
| { |
| 1, /* 0x00: Power Unit: mAh */ |
| 0xFFFFFFFF, /* 0x01: Design Capacity */ |
| 0xFFFFFFFF, /* 0x02: Last Full Charge Capacity */ |
| 1, /* 0x03: Battery Technology: Rechargeable */ |
| 0xFFFFFFFF, /* 0x04: Design Voltage */ |
| 0, /* 0x05: Design Capacity of Warning */ |
| 0, /* 0x06: Design Capacity of Low */ |
| 1, /* 0x07: Capacity Granularity 1 */ |
| 1, /* 0x08: Capacity Granularity 2 */ |
| "", /* 0x09: Model Number */ |
| "100", /* 0x0a: Serial Number */ |
| "Lion", /* 0x0b: Battery Type */ |
| 0 /* 0x0c: OEM Information */ |
| }) |
| Name (B0SP, Package (0x04) |
| { |
| 0, /* 0x00: Battery State */ |
| 0xFFFFFFFF, /* 0x01: Battery Present Rate */ |
| 0xFFFFFFFF, /* 0x02: Battery Remaining Capacity */ |
| 0xFFFFFFFF /* 0x03: Battery Present Voltage */ |
| }) |
| Method (_STA, 0, NotSerialized) // _STA: Status |
| { |
| /* Bitwise AND by vendor is lossy? */ |
| Local1 = EB0A |
| If (Local1 & 0x40) |
| { |
| Local1 = 0 |
| } |
| |
| B0ST = Local1 |
| If (Local1) |
| { |
| Return (0x1F) |
| } |
| Else |
| { |
| Return (0x0F) |
| } |
| } |
| |
| Method (_BIF, 0, NotSerialized) // _BIF: Battery Information |
| { |
| Local6 = B0ST |
| Local7 = 20 |
| While (Local6 && Local7) |
| { |
| If (EB0R) |
| { |
| Local6 = 0 |
| } |
| Else |
| { |
| Sleep (500) |
| Local7-- |
| } |
| } |
| |
| Return (GBIF (0, B0IP, Local6)) |
| } |
| |
| Method (_BST, 0, NotSerialized) // _BST: Battery Status |
| { |
| Local0 = (DerefOf (B0IP[0]) ^ 1) |
| #if CONFIG(EC_USE_LGMR) |
| Local5 = MB0S |
| #else |
| Local5 = EB0S |
| #endif |
| Return (GBST (0, Local5, Local0, B0SP)) |
| } |
| } |