hcdp_serial.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:2k
- /*
- * linux/include/linux/hcdp_serial.h
- *
- * Copyright (C) 2002 Hewlett-Packard Co.
- * Copyright (C) 2002 Khalid Aziz <khalid_aziz@hp.com>
- *
- * Definitions for HCDP defined serial ports (Serial console and
- * debug ports)
- *
- */
- #ifndef _LINUX_HCDP_SERIAL_H
- #define _LINUX_HCDP_SERIAL_H
- /* ACPI table signatures */
- #define HCDP_SIG_LEN 4
- #define HCDP_SIGNATURE "HCDP"
- /* Space ID as defined in ACPI generic address structure */
- #define ACPI_MEM_SPACE 0
- #define ACPI_IO_SPACE 1
- #define ACPI_PCICONF_SPACE 2
- /*
- * Maximum number of HCDP devices we want to read in
- */
- #define MAX_HCDP_DEVICES 6
- /*
- * Default base baud rate if clock rate is 0 in HCDP table.
- */
- #define DEFAULT_BAUD_BASE 115200
- /*
- * ACPI Generic Address Structure
- */
- typedef struct {
- u8 space_id;
- u8 bit_width;
- u8 bit_offset;
- u8 resv;
- u32 addrlo;
- u32 addrhi;
- } acpi_gen_addr;
- /* HCDP Device descriptor entry types */
- #define HCDP_DEV_CONSOLE 0
- #define HCDP_DEV_DEBUG 1
- /* HCDP Device descriptor type */
- typedef struct {
- u8 type;
- u8 bits;
- u8 parity;
- u8 stop_bits;
- u8 pci_seg;
- u8 pci_bus;
- u8 pci_dev;
- u8 pci_func;
- u64 baud;
- acpi_gen_addr base_addr;
- u16 pci_dev_id;
- u16 pci_vendor_id;
- u32 global_int;
- u32 clock_rate;
- u8 pci_prog_intfc;
- u8 resv;
- } hcdp_dev_t;
- /* HCDP Table format */
- typedef struct {
- u8 signature[4];
- u32 len;
- u8 rev;
- u8 chksum;
- u8 oemid[6];
- u8 oem_tabid[8];
- u32 oem_rev;
- u8 creator_id[4];
- u32 creator_rev;
- u32 num_entries;
- hcdp_dev_t hcdp_dev[MAX_HCDP_DEVICES];
- } hcdp_t;
- #endif /* _LINUX_HCDP_SERIAL_H */