projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 1da177e4 LT |
2 | /* |
| 3 | * Definitions for PCDP-defined console devices | |
| 4 | * | |
| 631dd1a8 JM |
5 | * For DIG64_HCDPv10a_01.pdf and DIG64_PCDPv20.pdf (v1.0a and v2.0 resp.), |
| 6 | * please see <http://www.dig64.org/specifications/> | |
| 1da177e4 LT |
7 | * |
| 8 | * (c) Copyright 2002, 2004 Hewlett-Packard Development Company, L.P. | |
| 9 | * Khalid Aziz <khalid.aziz@hp.com> | |
| 10 | * Bjorn Helgaas <bjorn.helgaas@hp.com> | |
| 1da177e4 LT |
11 | */ |
| 12 | ||
| 13 | #define PCDP_CONSOLE 0 | |
| 14 | #define PCDP_DEBUG 1 | |
| 15 | #define PCDP_CONSOLE_OUTPUT 2 | |
| 16 | #define PCDP_CONSOLE_INPUT 3 | |
| 17 | ||
| 18 | #define PCDP_UART (0 << 3) | |
| 19 | #define PCDP_VGA (1 << 3) | |
| 20 | #define PCDP_USB (2 << 3) | |
| 21 | ||
| 22 | /* pcdp_uart.type and pcdp_device.type */ | |
| 23 | #define PCDP_CONSOLE_UART (PCDP_UART | PCDP_CONSOLE) | |
| 24 | #define PCDP_DEBUG_UART (PCDP_UART | PCDP_DEBUG) | |
| 25 | #define PCDP_CONSOLE_VGA (PCDP_VGA | PCDP_CONSOLE_OUTPUT) | |
| 26 | #define PCDP_CONSOLE_USB (PCDP_USB | PCDP_CONSOLE_INPUT) | |
| 27 | ||
| 28 | /* pcdp_uart.flags */ | |
| 29 | #define PCDP_UART_EDGE_SENSITIVE (1 << 0) | |
| 30 | #define PCDP_UART_ACTIVE_LOW (1 << 1) | |
| 31 | #define PCDP_UART_PRIMARY_CONSOLE (1 << 2) | |
| 32 | #define PCDP_UART_IRQ (1 << 6) /* in pci_func for rev < 3 */ | |
| 33 | #define PCDP_UART_PCI (1 << 7) /* in pci_func for rev < 3 */ | |
| 34 | ||
| 35 | struct pcdp_uart { | |
| 36 | u8 type; | |
| 37 | u8 bits; | |
| 38 | u8 parity; | |
| 39 | u8 stop_bits; | |
| 40 | u8 pci_seg; | |
| 41 | u8 pci_bus; | |
| 42 | u8 pci_dev; | |
| 43 | u8 pci_func; | |
| 44 | u64 baud; | |
| 45 | struct acpi_generic_address addr; | |
| 46 | u16 pci_dev_id; | |
| 47 | u16 pci_vendor_id; | |
| 48 | u32 gsi; | |
| 49 | u32 clock_rate; | |
| 50 | u8 pci_prog_intfc; | |
| 51 | u8 flags; | |
| f62c4a96 DMT |
52 | u16 conout_index; |
| 53 | u32 reserved; | |
| 66b7f8a3 MM |
54 | } __attribute__((packed)); |
| 55 | ||
| 56 | #define PCDP_IF_PCI 1 | |
| 57 | ||
| 58 | /* pcdp_if_pci.trans */ | |
| 59 | #define PCDP_PCI_TRANS_IOPORT 0x02 | |
| 60 | #define PCDP_PCI_TRANS_MMIO 0x01 | |
| 61 | ||
| 62 | struct pcdp_if_pci { | |
| 63 | u8 interconnect; | |
| 64 | u8 reserved; | |
| 65 | u16 length; | |
| 66 | u8 segment; | |
| 67 | u8 bus; | |
| 68 | u8 dev; | |
| 69 | u8 fun; | |
| 70 | u16 dev_id; | |
| 71 | u16 vendor_id; | |
| 72 | u32 acpi_interrupt; | |
| 73 | u64 mmio_tra; | |
| 74 | u64 ioport_tra; | |
| 75 | u8 flags; | |
| 76 | u8 trans; | |
| 77 | } __attribute__((packed)); | |
| 1da177e4 LT |
78 | |
| 79 | struct pcdp_vga { | |
| 80 | u8 count; /* address space descriptors */ | |
| 66b7f8a3 | 81 | } __attribute__((packed)); |
| 1da177e4 LT |
82 | |
| 83 | /* pcdp_device.flags */ | |
| 84 | #define PCDP_PRIMARY_CONSOLE 1 | |
| 85 | ||
| 86 | struct pcdp_device { | |
| 87 | u8 type; | |
| 88 | u8 flags; | |
| 89 | u16 length; | |
| 90 | u16 efi_index; | |
| 66b7f8a3 MM |
91 | /* next data is pcdp_if_pci or pcdp_if_acpi (not yet supported) */ |
| 92 | /* next data is device specific type (currently only pcdp_vga) */ | |
| 93 | } __attribute__((packed)); | |
| 1da177e4 LT |
94 | |
| 95 | struct pcdp { | |
| 96 | u8 signature[4]; | |
| 97 | u32 length; | |
| 98 | u8 rev; /* PCDP v2.0 is rev 3 */ | |
| 99 | u8 chksum; | |
| 100 | u8 oemid[6]; | |
| 101 | u8 oem_tabid[8]; | |
| 102 | u32 oem_rev; | |
| 103 | u8 creator_id[4]; | |
| 104 | u32 creator_rev; | |
| 105 | u32 num_uarts; | |
| b912f89c | 106 | struct pcdp_uart uart[]; /* actual size is num_uarts */ |
| 1da177e4 | 107 | /* remainder of table is pcdp_device structures */ |
| 66b7f8a3 | 108 | } __attribute__((packed)); |