Angel Pons | 182dbde | 2020-04-02 23:49:05 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Tobias Diedrich | e87c38e | 2010-11-27 09:40:16 +0000 | [diff] [blame] | 2 | |
| 3 | Field (\_SB.PCI0.LPCB.PCIC, AnyAcc, NoLock, Preserve) |
| 4 | { |
| 5 | Offset (0x60), // Interrupt Routing Registers |
| 6 | PRTA, 8, |
| 7 | PRTB, 8, |
| 8 | PRTC, 8, |
| 9 | PRTD, 8, |
| 10 | } |
| 11 | |
| 12 | Name(IRQB, ResourceTemplate(){ |
| 13 | IRQ(Level,ActiveLow,Shared){15} |
| 14 | }) |
| 15 | |
| 16 | Name(IRQP, ResourceTemplate(){ |
| 17 | IRQ(Level,ActiveLow,Exclusive){3, 4, 5, 6, 7, 10, 11, 12} |
| 18 | }) |
| 19 | |
| 20 | /* adapted from ma78gm/dsdt.asl */ |
| 21 | #define PCI_INTX_DEV(intx, pinx, uid) \ |
| 22 | Device(intx) { \ |
| 23 | Name(_HID, EISAID("PNP0C0F")) \ |
| 24 | Name(_UID, uid) \ |
| 25 | \ |
| 26 | Method(_STA, 0) { \ |
| 27 | If (And(pinx, 0x80)) { \ |
| 28 | Return(0x09) \ |
| 29 | } \ |
| 30 | Return(0x0B) \ |
| 31 | } \ |
| 32 | \ |
| 33 | Method(_DIS ,0) { \ |
Felix Singer | 2f308d4 | 2022-12-12 04:49:46 +0100 | [diff] [blame] | 34 | pinx = 0x80 \ |
Tobias Diedrich | e87c38e | 2010-11-27 09:40:16 +0000 | [diff] [blame] | 35 | } \ |
| 36 | \ |
| 37 | Method(_PRS ,0) { \ |
| 38 | Return(IRQP) \ |
| 39 | } \ |
| 40 | \ |
| 41 | Method(_CRS ,0) { \ |
| 42 | CreateWordField(IRQB, 1, IRQN) \ |
Felix Singer | 3c9291b | 2022-12-16 02:43:56 +0100 | [diff] [blame^] | 43 | IRQN = 1 << And(pinx, 0x0f) \ |
Tobias Diedrich | e87c38e | 2010-11-27 09:40:16 +0000 | [diff] [blame] | 44 | Return(IRQB) \ |
| 45 | } \ |
| 46 | \ |
| 47 | Method(_SRS, 1) { \ |
| 48 | CreateWordField(ARG0, 1, IRQM) \ |
| 49 | \ |
| 50 | /* Use lowest available IRQ */ \ |
| 51 | FindSetRightBit(IRQM, Local0) \ |
| 52 | if (Local0) { \ |
Felix Singer | 40bc82f | 2021-12-31 14:09:48 +0100 | [diff] [blame] | 53 | Local0-- \ |
Tobias Diedrich | e87c38e | 2010-11-27 09:40:16 +0000 | [diff] [blame] | 54 | } \ |
Felix Singer | 2f308d4 | 2022-12-12 04:49:46 +0100 | [diff] [blame] | 55 | pinx = Local0 \ |
Tobias Diedrich | e87c38e | 2010-11-27 09:40:16 +0000 | [diff] [blame] | 56 | } \ |
| 57 | } \ |
| 58 | |
| 59 | PCI_INTX_DEV(LNKA, PRTA, 1) |
| 60 | PCI_INTX_DEV(LNKB, PRTB, 2) |
| 61 | PCI_INTX_DEV(LNKC, PRTC, 3) |
| 62 | PCI_INTX_DEV(LNKD, PRTD, 4) |