| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <soc/iomap.h> |
| |
| /* Get pin control MMIO address */ |
| Method (GPAD, 0x1) |
| { |
| /* Arg0 - GPIO pin number */ |
| Return (Add(Multiply(Arg0, 4), ACPIMMIO_GPIO0_BASE)) |
| } |
| |
| /* Read pin control dword */ |
| Method (GPRD, 0x1, Serialized) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| Store (Arg0, Local0) |
| OperationRegion (GPDW, SystemMemory, Local0, 4) |
| Field (GPDW, AnyAcc, NoLock, Preserve) { |
| TEMP, 32 |
| } |
| Return (TEMP) |
| } |
| |
| /* Write pin control dword */ |
| Method (GPWR, 0x2, Serialized) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| /* Arg1 - Value for control register */ |
| Store (Arg0, Local0) |
| OperationRegion (GPDW, SystemMemory, Local0, 4) |
| Field (GPDW, AnyAcc, NoLock, Preserve) { |
| TEMP,32 |
| } |
| Store (Arg1, TEMP) |
| } |
| |
| Method (GPGB, 0x2) |
| { |
| /* |
| * Returns the desired byte |
| * Arg0 - GPIO pin control MMIO address |
| * Arg1 - Desired byte (0 through 3) |
| */ |
| Store (Multiply(Arg1, 8), Local2) |
| Return (And(ShiftRight(GPRD(Arg0), Local2), 0x000000FF)) |
| } |
| |
| Method (GPSB, 0x3) |
| { |
| /* |
| * Reads dword, replace byte, write back dword |
| * Arg0 - GPIO pin control MMIO address |
| * Arg1 - Desired byte (0 through 3) |
| * Arg2 - Value |
| */ |
| Store (Multiply(Arg1, 8), Local2) |
| And(ShiftRight(GPRD(Arg0), Local2), 0xFFFFFF00, Local3) |
| ShiftLeft (Or(And(Arg2, 0x000000FF),Local3), Local2, Local4) |
| GPWR (Arg0, Local4) |
| } |
| |
| /* Read pin control byte 0 */ |
| Method (GPR0, 0x1) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| Return (GPGB(Arg0, 0)) |
| } |
| |
| /* Read pin control byte 1 */ |
| Method (GPR1, 0x1) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| Return (GPGB(Arg0, 1)) |
| } |
| |
| /* Read pin control byte 2 */ |
| Method (GPR2, 0x1) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| Return (GPGB(Arg0, 2)) |
| } |
| |
| /* Read pin control byte 3 */ |
| Method (GPR3, 0x1) |
| { |
| Return (GPGB(Arg0, 3)) |
| } |
| |
| /* Write pin control byte 0 */ |
| Method (GPW0, 0x2) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| /* Arg1 - Value for control register */ |
| GPSB (Arg0, 0, Arg1) |
| } |
| |
| /* Write pin control byte 1 */ |
| Method (GPW1, 0x2) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| /* Arg1 - Value for control register */ |
| GPSB (Arg0, 1, Arg1) |
| } |
| |
| /* Write pin control byte 2 */ |
| Method (GPW2, 0x2) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| /* Arg1 - Value for control register */ |
| GPSB (Arg0, 2, Arg1) |
| } |
| |
| /* Write pin control byte 3 */ |
| Method (GPW3, 0x2) |
| { |
| /* Arg0 - GPIO pin control MMIO address */ |
| /* Arg1 - Value for control register */ |
| GPSB (Arg0, 3, Arg1) |
| } |