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Diffstat (limited to 'src/superio/ite/it8659e/acpi/superio.asl')
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diff --git a/src/superio/ite/it8659e/acpi/superio.asl b/src/superio/ite/it8659e/acpi/superio.asl
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+++ b/src/superio/ite/it8659e/acpi/superio.asl
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+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * Include this file into a mainboard's DSDT _SB device tree and it will
+ * expose the IT8659E SuperIO and some of its functionality.
+ *
+ * It allows the change of IO ports, IRQs and DMA settings on logical
+ * devices, disabling and reenabling logical devices.
+ *
+ * LDN State
+ * 0x1 UARTA Implemented, tested
+ * 0x2 UARTB Implemented, tested
+ * 0x4 EC Implemented, tested
+ * 0x5 KBC Implemented, untested
+ * 0x6 MOUSE Implemented, untested
+ * 0x7 GPIO Implemented, tested
+ * 0xa CIR Not implemented
+ *
+ * Controllable through preprocessor defines:
+ * SUPERIO_DEV Device identifier for this SIO (e.g. SIO0)
+ * SUPERIO_PNP_BASE I/O address of the first PnP configuration register
+ * IT8659E_SHOW_UARTA If defined, UARTA will be exposed.
+ * IT8659E_SHOW_UARTB If defined, UARTB will be exposed.
+ * IT8659E_SHOW_KBC If defined, the KBC will be exposed.
+ * IT8659E_SHOW_PS2M If defined, PS/2 mouse support will be exposed.
+ * IT8659E_SHOW_EC If defined, the EC will be exposed.
+ * IT8659E_SHOW_GPIO If defined, the GPIO will be exposed.
+ */
+
+#undef SUPERIO_CHIP_NAME
+#define SUPERIO_CHIP_NAME IT8659E
+#include <superio/acpi/pnp.asl>
+
+#undef PNP_DEFAULT_PSC
+#define PNP_DEFAULT_PSC Return (0) /* no power management */
+
+#define CONFIGURE_CONTROL CCTL
+
+Device (SUPERIO_DEV) {
+ Name (_HID, EisaId("PNP0A05"))
+ Name (_STR, Unicode("ITE IT8659E Super I/O"))
+ Name (_UID, SUPERIO_UID(SUPERIO_DEV,))
+
+ /* Mutex for accesses to the configuration ports */
+ Mutex (CRMX, 1)
+
+ /* SuperIO configuration ports */
+ OperationRegion (CREG, SystemIO, SUPERIO_PNP_BASE, 0x02)
+ Field (CREG, ByteAcc, NoLock, Preserve)
+ {
+ PNP_ADDR_REG, 8,
+ PNP_DATA_REG, 8
+ }
+ IndexField (PNP_ADDR_REG, PNP_DATA_REG, ByteAcc, NoLock, Preserve)
+ {
+ Offset (0x02),
+ CONFIGURE_CONTROL, 8, /* Global configure control */
+
+ Offset (0x07),
+ PNP_LOGICAL_DEVICE, 8, /* Logical device selector */
+
+ Offset (0x30),
+ PNP_DEVICE_ACTIVE, 1, /* Logical device activation */
+
+ Offset (0x60),
+ PNP_IO0_HIGH_BYTE, 8, /* First I/O port base - high byte */
+ PNP_IO0_LOW_BYTE, 8, /* First I/O port base - low byte */
+ PNP_IO1_HIGH_BYTE, 8, /* Second I/O port base - high byte */
+ PNP_IO1_LOW_BYTE, 8, /* Second I/O port base - low byte */
+
+ Offset (0x70),
+ PNP_IRQ0, 8, /* First IRQ */
+ }
+
+ Method (_CRS)
+ {
+ /* Announce the used i/o ports to the OS */
+ Return (ResourceTemplate () {
+ IO (Decode16, SUPERIO_PNP_BASE, SUPERIO_PNP_BASE, 0x01, 0x02)
+ })
+ }
+
+ #undef PNP_ENTER_MAGIC_1ST
+ #undef PNP_ENTER_MAGIC_2ND
+ #undef PNP_ENTER_MAGIC_3RD
+ #undef PNP_ENTER_MAGIC_4TH
+ #undef PNP_EXIT_MAGIC_1ST
+ #define PNP_ENTER_MAGIC_1ST 0x87
+ #define PNP_ENTER_MAGIC_2ND 0x01
+ #define PNP_ENTER_MAGIC_3RD 0x55
+#if SUPERIO_PNP_BASE == 0x2e
+ #define PNP_ENTER_MAGIC_4TH 0x55
+#else
+ #define PNP_ENTER_MAGIC_4TH 0xaa
+#endif
+ #define PNP_EXIT_SPECIAL_REG CONFIGURE_CONTROL
+ #define PNP_EXIT_SPECIAL_VAL 0x02
+ #include <superio/acpi/pnp_config.asl>
+
+#ifdef IT8659E_SHOW_UARTA
+ #undef SUPERIO_UART_LDN
+ #undef SUPERIO_UART_DDN
+ #undef SUPERIO_PNP_NO_DIS
+ #undef SUPERIO_UART_PM_REG
+ #undef SUPERIO_UART_PM_VAL
+ #undef SUPERIO_UART_PM_LDN
+ #define SUPERIO_UART_LDN 1
+ #include <superio/acpi/pnp_uart.asl>
+#endif
+
+#ifdef IT8659E_SHOW_UARTB
+ #undef SUPERIO_UART_LDN
+ #undef SUPERIO_UART_DDN
+ #undef SUPERIO_PNP_NO_DIS
+ #undef SUPERIO_UART_PM_REG
+ #undef SUPERIO_UART_PM_VAL
+ #undef SUPERIO_UART_PM_LDN
+ #define SUPERIO_UART_LDN 2
+ #include <superio/acpi/pnp_uart.asl>
+#endif
+
+#ifdef IT8659E_SHOW_KBC
+ #undef SUPERIO_KBC_LDN
+ #undef SUPERIO_KBC_PS2M
+ #undef SUPERIO_KBC_PS2LDN
+ #undef SUPERIO_PNP_NO_DIS
+ #define SUPERIO_KBC_LDN 5
+#ifdef IT8659E_SHOW_PS2M
+ #define SUPERIO_KBC_PS2LDN 6
+#endif
+ #include <superio/acpi/pnp_kbc.asl>
+#endif
+
+
+/*
+ * Generic setup for EC device.
+ *
+ * IT8659E_EC_IO0 The alignment and length of the first PnP i/o
+ * resource (comma separated, e.g. `0x02, 0x08`,
+ * optional)
+ * IT8659E_EC_IO1 The alignment and length of the second PnP i/o
+ * resource (comma separated, e.g. `0x02, 0x08`,
+ * optional)
+ * IT8659E_EC_IRQ0 If defined, the first PnP IRQ register is enabled
+ */
+#ifdef IT8659E_SHOW_EC
+ #undef SUPERIO_PNP_HID
+ #undef SUPERIO_PNP_LDN
+ #undef SUPERIO_PNP_DDN
+ #undef SUPERIO_PNP_NO_DIS
+ #undef SUPERIO_PNP_PM_REG
+ #undef SUPERIO_PNP_PM_VAL
+ #undef SUPERIO_PNP_PM_LDN
+ #undef SUPERIO_PNP_IO0
+ #undef SUPERIO_PNP_IO1
+ #undef SUPERIO_PNP_IO2
+ #undef SUPERIO_PNP_IRQ0
+ #undef SUPERIO_PNP_IRQ1
+ #undef SUPERIO_PNP_DMA
+
+ #define SUPERIO_PNP_LDN 4
+ #define SUPERIO_PNP_DDN "ITE IT8659E Environmental Controller"
+
+#ifdef IT8659E_EC_IO0
+ #define SUPERIO_PNP_IO0 0x08, 0x08
+#endif
+
+#ifdef IT8659E_EC_IO1
+ #define SUPERIO_PNP_IO1 0x08, 0x04
+#endif
+
+#ifdef IT8659E_EC_IRQ0
+ #define SUPERIO_PNP_IRQ0
+#endif
+
+ #include <superio/acpi/pnp_generic.asl>
+#endif
+
+/*
+ * Generic setup for GPIO device.
+ *
+ * IT8659E_EC_IO0 The alignment and length of the first PnP i/o
+ * resource (comma separated, e.g. `0x02, 0x08`,
+ * optional)
+ * IT8659E_EC_IO1 The alignment and length of the second PnP i/o
+ * resource (comma separated, e.g. `0x02, 0x08`,
+ * optional)
+ * IT8659E_EC_IRQ0 If defined, the first PnP IRQ register is enabled
+ */
+#ifdef IT8659E_SHOW_GPIO
+ #undef SUPERIO_PNP_HID
+ #undef SUPERIO_PNP_LDN
+ #undef SUPERIO_PNP_DDN
+ #undef SUPERIO_PNP_NO_DIS
+ #undef SUPERIO_PNP_PM_REG
+ #undef SUPERIO_PNP_PM_VAL
+ #undef SUPERIO_PNP_PM_LDN
+ #undef SUPERIO_PNP_IO0
+ #undef SUPERIO_PNP_IO1
+ #undef SUPERIO_PNP_IO2
+ #undef SUPERIO_PNP_IRQ0
+ #undef SUPERIO_PNP_IRQ1
+ #undef SUPERIO_PNP_DMA
+
+ #define SUPERIO_PNP_LDN 7
+ #define SUPERIO_PNP_DDN "ITE IT8659E GPIO"
+ #define SUPERIO_PNP_NO_DIS
+
+#ifdef IT8659E_GPIO_IO0
+ #define SUPERIO_PNP_IO0 0x04, 0x04
+#endif
+
+#ifdef IT8659E_GPIO_IO1
+ #define SUPERIO_PNP_IO1 0x01, 0x08
+#endif
+ #include <superio/acpi/pnp_generic.asl>
+#endif
+
+}