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/*
* linux/include/linux/acpi_serial.h
*
* Copyright (C) 2000 Hewlett-Packard Co.
* Copyright (C) 2000 Khalid Aziz <khalid_aziz@hp.com>
*
* Definitions for ACPI defined serial ports (headless console and
* debug ports)
*
*/
#include <linux/serial.h>
extern void setup_serial_acpi(void *);
#define ACPI_SIG_LEN 4
/* ACPI table signatures */
#define ACPI_SPCRT_SIGNATURE "SPCR"
#define ACPI_DBGPT_SIGNATURE "DBGP"
/* Interface type as defined in ACPI serial port tables */
#define ACPI_SERIAL_INTFC_16550 0
#define ACPI_SERIAL_INTFC_16450 1
/* Interrupt types for ACPI serial port tables */
#define ACPI_SERIAL_INT_PCAT 0x01
#define ACPI_SERIAL_INT_APIC 0x02
#define ACPI_SERIAL_INT_SAPIC 0x04
/* Baud rates as defined in ACPI serial port tables */
#define ACPI_SERIAL_BAUD_9600 3
#define ACPI_SERIAL_BAUD_19200 4
#define ACPI_SERIAL_BAUD_57600 6
#define ACPI_SERIAL_BAUD_115200 7
/* Parity as defined in ACPI serial port tables */
#define ACPI_SERIAL_PARITY_NONE 0
/* Flow control methods as defined in ACPI serial port tables */
#define ACPI_SERIAL_FLOW_DCD 0x01
#define ACPI_SERIAL_FLOW_RTS 0x02
#define ACPI_SERIAL_FLOW_XON 0x04
/* Terminal types as defined in ACPI serial port tables */
#define ACPI_SERIAL_TERM_VT100 0
#define ACPI_SERIAL_TERM_VT100X 1
/* PCI Flags as defined by SPCR table */
#define ACPI_SERIAL_PCIFLAG_PNP 0x00000001
/* Space ID as defined in base address structure in ACPI serial port tables */
#define ACPI_SERIAL_MEM_SPACE 0
#define ACPI_SERIAL_IO_SPACE 1
#define ACPI_SERIAL_PCICONF_SPACE 2
/*
* Generic Register Address Structure - as defined by Microsoft
* in http://www.microsoft.com/hwdev/onnow/download/LFreeACPI.doc
*
*/
typedef struct {
u8 space_id;
u8 bit_width;
u8 bit_offset;
u8 resv;
u32 addrl;
u32 addrh;
} gen_regaddr;
/* Space ID for generic register address structure */
#define REGADDR_SPACE_SYSMEM 0
#define REGADDR_SPACE_SYSIO 1
#define REGADDR_SPACE_PCICONFIG 2
/* Serial Port Console Redirection and Debug Port Table formats */
typedef struct {
u8 signature[4];
u32 length;
u8 rev;
u8 chksum;
u8 oemid[6];
u8 oem_tabid[8];
u32 oem_rev;
u8 creator_id[4];
u32 creator_rev;
u8 intfc_type;
u8 resv1[3];
gen_regaddr base_addr;
u8 int_type;
u8 irq;
u8 global_int[4];
u8 baud;
u8 parity;
u8 stop_bits;
u8 flow_ctrl;
u8 termtype;
u8 language;
u16 pci_dev_id;
u16 pci_vendor_id;
u8 pci_bus;
u8 pci_dev;
u8 pci_func;
u8 pci_flags[4];
u8 pci_seg;
u32 resv2;
} acpi_ser_t;
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