diff options
Diffstat (limited to 'src/superio/smsc/sch5545/acpi/resource_helpers.asl')
| -rw-r--r-- | src/superio/smsc/sch5545/acpi/resource_helpers.asl | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/src/superio/smsc/sch5545/acpi/resource_helpers.asl b/src/superio/smsc/sch5545/acpi/resource_helpers.asl new file mode 100644 index 0000000000..818f470534 --- /dev/null +++ b/src/superio/smsc/sch5545/acpi/resource_helpers.asl @@ -0,0 +1,412 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* Helper package for determining IO, DMA, IRQ location according to LDN */ +Name (DCAT, Package (0x10) { + 0x07, /* UARTA */ + 0x08, /* UARTB */ + 0x11, /* LPT */ + 0x0B, /* Floppy */ + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + One, /* KBC */ + 0xFF, + 0xFF, + 0xFF, + One, /* KBC */ + 0xFF +}) + +Method (CGLD, 1, NotSerialized) +{ + Return (DerefOf (DCAT [Arg0])) +} + +/* Return Parallel port mode*/ +Method (LPTM, 1, NotSerialized) +{ + ENTER_CONFIG_MODE (CGLD (Arg0)) + Local0 = (OPT0 & 0x02) + EXIT_CONFIG_MODE () + Return (Local0) +} + +/* Device Status */ +Method (DSTA, 1, NotSerialized) +{ + ENTER_CONFIG_MODE (CGLD (Arg0)) + Local0 = PNP_DEVICE_ACTIVE + If (Local0 == 0xFF) + { + Return (Zero) + } + + Local0 &= One + If (Arg0 < 0x10) + { + IOST |= (Local0 << Arg0) + } + + If (Local0) + { + Return (DEVICE_PRESENT_ACTIVE) + } + ElseIf ((One << Arg0) & IOST) + { + Return (DEVICE_PRESENT_INACTIVE) + } + Else + { + Return (Zero) + } + + EXIT_CONFIG_MODE () +} + +Method (DCNT, 2, NotSerialized) +{ + ENTER_CONFIG_MODE (CGLD (Arg0)) + PNP_DEVICE_ACTIVE = Arg1 + EXIT_CONFIG_MODE () +} + +/* Resource templates for SIO LDNs */ +Name (CRS1, ResourceTemplate () +{ + IO (Decode16, + 0x0000, + 0x0000, + 0x01, + 0x00, + _Y16) + IRQ (Edge, ActiveHigh, Exclusive, _Y14) {} + DMA (Compatibility, NotBusMaster, Transfer8, _Y15) {} +}) + +CreateWordField (CRS1, \_SB.PCI0.LPCB.SIO1._Y14._INT, IRQM) +CreateByteField (CRS1, \_SB.PCI0.LPCB.SIO1._Y15._DMA, DMAM) +CreateWordField (CRS1, \_SB.PCI0.LPCB.SIO1._Y16._MIN, IO11) +CreateWordField (CRS1, \_SB.PCI0.LPCB.SIO1._Y16._MAX, IO12) +CreateByteField (CRS1, \_SB.PCI0.LPCB.SIO1._Y16._LEN, LEN1) + +Name (CRS2, ResourceTemplate () +{ + IO (Decode16, + 0x0000, + 0x0000, + 0x01, + 0x00, + _Y19) + IO (Decode16, + 0x0000, + 0x0000, + 0x01, + 0x00, + _Y1A) + IRQ (Edge, ActiveHigh, Exclusive, _Y17) {} + DMA (Compatibility, NotBusMaster, Transfer8, _Y18) {} +}) + +CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y17._INT, IRQE) +CreateByteField (CRS2, \_SB.PCI0.LPCB.SIO1._Y18._DMA, DMAE) +CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y19._MIN, IO21) +CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y19._MAX, IO22) +CreateByteField (CRS2, \_SB.PCI0.LPCB.SIO1._Y19._LEN, LEN2) +CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y1A._MIN, IO31) +CreateWordField (CRS2, \_SB.PCI0.LPCB.SIO1._Y1A._MAX, IO32) +CreateByteField (CRS2, \_SB.PCI0.LPCB.SIO1._Y1A._LEN, LEN3) + +/* Read IO resource */ +Method (GIOB, 1, NotSerialized) +{ + If (CGLD (Arg0) == 0x07) /* UARTA */ + { + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = (CR6B << 0x08) + Local0 |= CR6A + Return (Local0) + } + + If (CGLD (Arg0) == 0x08) /* UARTB */ + { + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = (CR6F << 0x08) + Local0 |= CR6E + Return (Local0) + } + + If (CGLD (Arg0) == 0x11) /* LPT */ + { + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = (CR83 << 0x08) + Local0 |= CR82 + Return (Local0) + } + + If (CGLD (Arg0) == 0x0B) /* Floppy */ + { + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = (CR7F << 0x08) + Local0 |= CR7E + Return (Local0) + } + + Return (Zero) +} + +/* Read IRQ resource */ +Method (GIRQ, 1, NotSerialized) +{ + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = 0x0F /* 15 IRQ regs, 1 for each IRQ number */ + While (Local0) + { + Local1 = (0x40 + Local0) /* IRQ regs begin at offset 0x40 */ + PNP_ADDR_REG = Local1 + Local1 = PNP_DATA_REG + If (CGLD (Arg0) == Local1) + { + Local1 = One + Local0 = (Local1 << Local0) + Return (Local0) + } + + Local0-- + } + + Return (0xFF) +} + +/* Read DMA resource */ +Method (GDMA, 1, NotSerialized) +{ + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = 0x03 /* Only DMA Channels 0-3 */ + While (Local0) + { + Local1 = (Local0 << One) + Local1 += 0x51 /* DMA regs begin at offset 0x50 */ + PNP_ADDR_REG = Local1 + Local1 = PNP_DATA_REG + If ((0x80 | CGLD (Arg0)) == Local1) + { + Local1 = One + Local0 = (Local1 << Local0) + Return (Local0) + } + + Local0-- + } + + Return (0xFF) +} + +/* Set IO resource */ +Method (STIO, 2, NotSerialized) +{ + SWITCH_LDN (SUPERIO_LPC_LDN) + Local0 = (Arg1 & 0xFF) + PNP_ADDR_REG = Arg0 + PNP_DATA_REG = Local0 + Local0 = (Arg1 >> 0x08) + Local1 = (Arg0 + One) + PNP_ADDR_REG = Local1 + PNP_DATA_REG = Local0 +} + +/* Set IRQ resource */ +Method (SIRQ, 2, NotSerialized) +{ + SWITCH_LDN (SUPERIO_LPC_LDN) + FindSetRightBit (Arg1, Local0) + Local0 -= One + Local1 = 0x0F + While (Local1) + { + Local2 = (0x40 + Local1) + PNP_ADDR_REG = Local2 + Local3 = PNP_DATA_REG + If (CGLD (Arg0) == Local3) + { + If (Local0 != Local1) + { + PNP_ADDR_REG = Local2 + PNP_DATA_REG = 0xFF + Break + } + Else + { + Return (Zero) + } + } + + Local1-- + } + + Local0 += 0x40 + PNP_ADDR_REG = Local0 + PNP_DATA_REG = CGLD (Arg0) + Return (0xFF) +} + +/* Set DMA resource */ +Method (SDMA, 2, NotSerialized) +{ + SWITCH_LDN (SUPERIO_LPC_LDN) + FindSetRightBit (Arg1, Local0) + Local0 -= One + Local1 = 0x03 + While (Local1) + { + Local2 = (Local1 << One) + Local3 = (0x51 + Local2) + PNP_ADDR_REG = Local3 + Local4 = PNP_DATA_REG + If ((0x80 | CGLD (Arg0)) == Local4) + { + If (Local0 != Local1) + { + PNP_ADDR_REG = Local3 + PNP_DATA_REG = Zero + Break + } + Else + { + Return (Zero) + } + } + + Local1-- + } + + Local0 <<= One + Local0 += 0x51 + PNP_ADDR_REG = Local0 + PNP_DATA_REG = (0x80 | CGLD (Arg0)) + Return (Zero) +} + +/* Device Current Resource Settings */ +Method (DCRS, 2, NotSerialized) +{ + If (CGLD (Arg0) == 0x07) /* UARTA resources */ + { + ENTER_CONFIG_MODE (SUPERIO_LPC_LDN) + IO11 = GIOB (Arg0) + IO12 = IO11 + LEN1 = 0x08 + IRQM = GIRQ (Arg0) + If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero)) + { + DMAM = Zero + } + Else + { + DMAM = GDMA (Arg0) + } + + EXIT_CONFIG_MODE () + Return (CRS1) + } + + If (CGLD (Arg0) == 0x08) /* UARTB resources */ + { + ENTER_CONFIG_MODE (SUPERIO_LPC_LDN) + IO11 = GIOB (Arg0) + IO12 = IO11 + LEN1 = 0x08 + IRQM = GIRQ (Arg0) + If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero)) + { + DMAM = Zero + } + Else + { + DMAM = GDMA (Arg0) + } + + EXIT_CONFIG_MODE () + Return (CRS1) + } + + If (CGLD (Arg0) == 0x11) /* LPT resources */ + { + If (LPTM (Arg0)) + { + ENTER_CONFIG_MODE (SUPERIO_LPC_LDN) + IO21 = GIOB (Arg0) + IO22 = IO21 + IO31 = (IO21 + 0x0400) + IO32 = IO31 + If ((IO21 & 0xFF) == 0xBC) + { + LEN2 = 0x04 + LEN3 = 0x04 + } + Else + { + LEN2 = 0x08 + LEN3 = 0x04 + } + + IRQE = GIRQ (Arg0) + If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero)) + { + DMAM = Zero + } + Else + { + DMAE = GDMA (Arg0) + } + + EXIT_CONFIG_MODE () + Return (CRS2) /* \_SB_.PCI0.LPCB.SIO1.CRS2 */ + } + Else + { + ENTER_CONFIG_MODE (SUPERIO_LPC_LDN) + IO11 = GIOB (Arg0) + IO12 = IO11 /* \_SB_.PCI0.LPCB.SIO1.IO11 */ + If ((IO11 & 0xFF) == 0xBC) + { + LEN1 = 0x04 + } + Else + { + LEN1 = 0x08 + } + + IRQM = GIRQ (Arg0) + EXIT_CONFIG_MODE () + Return (CRS1) /* \_SB_.PCI0.LPCB.SIO1.CRS1 */ + } + } + + If (CGLD (Arg0) == 0x0B) /* Floppy resources */ + { + ENTER_CONFIG_MODE (SUPERIO_LPC_LDN) + IO21 = GIOB (Arg0) + IO22 = IO21 /* \_SB_.PCI0.LPCB.SIO1.IO21 */ + LEN2 = 0x06 + IO31 = (IO21 + 0x07) + IO32 = IO31 /* \_SB_.PCI0.LPCB.SIO1.IO31 */ + LEN3 = One + IRQE = GIRQ (Arg0) + If ((GDMA (Arg0) > 0x03) || (Arg1 == Zero)) + { + DMAM = Zero + } + Else + { + DMAE = GDMA (Arg0) + } + + EXIT_CONFIG_MODE () + Return (CRS2) /* \_SB_.PCI0.LPCB.SIO1.CRS2 */ + } + + Return (CRS1) /* \_SB_.PCI0.LPCB.SIO1.CRS1 */ +} |