Add FADT check for presence of i8042 controller.

[lunaix-os.git] / lunaix-os / includes / hal / acpi / fadt.h

diff --git a/lunaix-os/includes/hal/acpi/fadt.h b/lunaix-os/includes/hal/acpi/fadt.h
new file mode 100644 (file)
index 0000000..a613a6c
--- /dev/null
+++ b/lunaix-os/includes/hal/acpi/fadt.h
@@ -0,0 +1,74 @@
+#ifndef __LUNAIX_FADT_H
+#define __LUNAIX_FADT_H
+
+#include "sdt.h"
+
+// Pulled from ACPI Specification (v6.4) section 5.2.9
+
+enum PMProfile {
+    Desktop = 1,
+    Mobile = 2,
+    Workstation = 3,
+    EnterpriseServer = 4,
+    SOHOServer = 5,
+    AppliancePC = 6,
+    PerformanceServer = 7,
+    Tablet = 8,
+};
+
+#define IPM1AEVT_BLK_PORT 0
+#define IPM1BEVT_BLK_PORT 1
+#define IPM1ACNT_BLK_PORT 2
+#define IPM1BCNT_BLK_PORT 3
+#define IPM2CNT_BLK_PORT 4
+#define IPMTMR_BLK_PORT 5
+
+#define IPM1EVT_BLK_LEN 0
+#define IPM1CNT_BLK_LEN 1
+#define IPM2CNT_BLK_LEN 2
+#define IPMTMR_BLK_LEN 3
+
+#define ITIME_DAY_ALARM 0
+#define ITIME_MON_ALARM 1
+#define ITIME_CENTURY 2
+
+#define IAPC_ARCH_LEGACY   0x1
+#define IAPC_ARCH_8042     0x2
+#define IAPC_ARCH_NO_VGA   0x4
+#define IAPC_ARCH_NO_MSI   0x8
+#define IAPC_ARCH_ASPM     0x10
+#define IAPC_ARCH_NO_RTC   0x20
+
+typedef struct acpi_fadt {
+    acpi_sdthdr_t header;
+    uint32_t firmware_controller_addr;
+    uint32_t dsdt_addr;
+    uint8_t pm_profile;
+    uint16_t sci_int;
+    uint32_t smi_cmd_port_addr;
+    uint8_t smi_acpi_enable;
+    uint8_t smi_acpi_disable;
+    uint8_t smi_s4bios_state;
+    uint8_t smi_pstate;
+    uint32_t pm_reg_ports[6];
+    uint32_t gpe0_port_addr;
+    uint32_t gpe1_port_addr;
+    uint8_t pm_reg_lens[4];
+    uint8_t gpe0_len;
+    uint8_t gpe1_len;
+    uint8_t gpe1_base;
+    uint8_t cst_cnt;
+    uint16_t p_lvl2_lat;
+    uint16_t p_lvl3_lat;
+    uint16_t flush_size;
+    uint16_t flush_stride;
+    uint8_t duty_offset;
+    uint8_t duty_width;
+    uint8_t time_info[3];
+    uint16_t boot_arch;
+} ACPI_TABLE_PACKED acpi_fadt_t;
+
+
+// TODO: FADT parser & support
+
+#endif /* __LUNAIX_FADT_H */