projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU General Public License | |
| 6 | * as published by the Free Software Foundation; either version | |
| 7 | * 2 of the License, or (at your option) any later version. | |
| 8 | * | |
| 9 | * Copyright (c) 2001, 2002 Daniel Engstrom <[email protected]> | |
| 10 | * | |
| 11 | */ | |
| 12 | ||
| 13 | #ifndef ASM_EISA_EEPROM_H | |
| 14 | #define ASM_EISA_EEPROM_H | |
| 15 | ||
| 16 | extern void __iomem *eisa_eeprom_addr; | |
| 17 | ||
| 18 | #define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */ | |
| 19 | ||
| 20 | #define HPEE_SLOT_INFO(slot) (20+(48*slot)) | |
| 21 | ||
| 22 | struct eeprom_header | |
| 23 | { | |
| 24 | ||
| 25 | u_int32_t num_writes; /* number of writes */ | |
| 26 | u_int8_t flags; /* flags, usage? */ | |
| 27 | u_int8_t ver_maj; | |
| 28 | u_int8_t ver_min; | |
| 29 | u_int8_t num_slots; /* number of EISA slots in system */ | |
| 30 | u_int16_t csum; /* checksum, I don't know how to calulate this */ | |
| 31 | u_int8_t pad[10]; | |
| 32 | } __attribute__ ((packed)); | |
| 33 | ||
| 34 | ||
| 35 | struct eeprom_eisa_slot_info | |
| 36 | { | |
| 37 | u_int32_t eisa_slot_id; | |
| 38 | u_int32_t config_data_offset; | |
| 39 | u_int32_t num_writes; | |
| 40 | u_int16_t csum; | |
| 41 | u_int16_t num_functions; | |
| 42 | u_int16_t config_data_length; | |
| 43 | ||
| 44 | /* bits 0..3 are the duplicate slot id */ | |
| 45 | #define HPEE_SLOT_INFO_EMBEDDED 0x10 | |
| 46 | #define HPEE_SLOT_INFO_VIRTUAL 0x20 | |
| 47 | #define HPEE_SLOT_INFO_NO_READID 0x40 | |
| 48 | #define HPEE_SLOT_INFO_DUPLICATE 0x80 | |
| 49 | u_int8_t slot_info; | |
| 50 | ||
| 51 | #define HPEE_SLOT_FEATURES_ENABLE 0x01 | |
| 52 | #define HPEE_SLOT_FEATURES_IOCHK 0x02 | |
| 53 | #define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80 | |
| 54 | u_int8_t slot_features; | |
| 55 | ||
| 56 | u_int8_t ver_min; | |
| 57 | u_int8_t ver_maj; | |
| 58 | ||
| 59 | #define HPEE_FUNCTION_INFO_HAVE_TYPE 0x01 | |
| 60 | #define HPEE_FUNCTION_INFO_HAVE_MEMORY 0x02 | |
| 61 | #define HPEE_FUNCTION_INFO_HAVE_IRQ 0x04 | |
| 62 | #define HPEE_FUNCTION_INFO_HAVE_DMA 0x08 | |
| 63 | #define HPEE_FUNCTION_INFO_HAVE_PORT 0x10 | |
| 64 | #define HPEE_FUNCTION_INFO_HAVE_PORT_INIT 0x20 | |
| 65 | /* I think there are two slighty different | |
| 66 | * versions of the function_info field | |
| 67 | * one int the fixed header and one optional | |
| 68 | * in the parsed slot data area */ | |
| 69 | #define HPEE_FUNCTION_INFO_HAVE_FUNCTION 0x01 | |
| 70 | #define HPEE_FUNCTION_INFO_F_DISABLED 0x80 | |
| 71 | #define HPEE_FUNCTION_INFO_CFG_FREE_FORM 0x40 | |
| 72 | u_int8_t function_info; | |
| 73 | ||
| 74 | #define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */ | |
| 75 | u_int8_t flags; | |
| 76 | u_int8_t pad[24]; | |
| 77 | } __attribute__ ((packed)); | |
| 78 | ||
| 79 | ||
| 80 | #define HPEE_MEMORY_MAX_ENT 9 | |
| 81 | /* memory descriptor: byte 0 */ | |
| 82 | #define HPEE_MEMORY_WRITABLE 0x01 | |
| 83 | #define HPEE_MEMORY_CACHABLE 0x02 | |
| 84 | #define HPEE_MEMORY_TYPE_MASK 0x18 | |
| 85 | #define HPEE_MEMORY_TYPE_SYS 0x00 | |
| 86 | #define HPEE_MEMORY_TYPE_EXP 0x08 | |
| 87 | #define HPEE_MEMORY_TYPE_VIR 0x10 | |
| 88 | #define HPEE_MEMORY_TYPE_OTH 0x18 | |
| 89 | #define HPEE_MEMORY_SHARED 0x20 | |
| 90 | #define HPEE_MEMORY_MORE 0x80 | |
| 91 | ||
| 92 | /* memory descriptor: byte 1 */ | |
| 93 | #define HPEE_MEMORY_WIDTH_MASK 0x03 | |
| 94 | #define HPEE_MEMORY_WIDTH_BYTE 0x00 | |
| 95 | #define HPEE_MEMORY_WIDTH_WORD 0x01 | |
| 96 | #define HPEE_MEMORY_WIDTH_DWORD 0x02 | |
| 97 | #define HPEE_MEMORY_DECODE_MASK 0x0c | |
| 98 | #define HPEE_MEMORY_DECODE_20BITS 0x00 | |
| 99 | #define HPEE_MEMORY_DECODE_24BITS 0x04 | |
| 100 | #define HPEE_MEMORY_DECODE_32BITS 0x08 | |
| 101 | /* byte 2 and 3 are a 16bit LE value | |
| 102 | * containging the memory size in kilobytes */ | |
| 103 | /* byte 4,5,6 are a 24bit LE value | |
| 104 | * containing the memory base address */ | |
| 105 | ||
| 106 | ||
| 107 | #define HPEE_IRQ_MAX_ENT 7 | |
| 108 | /* Interrupt entry: byte 0 */ | |
| 109 | #define HPEE_IRQ_CHANNEL_MASK 0xf | |
| 110 | #define HPEE_IRQ_TRIG_LEVEL 0x20 | |
| 111 | #define HPEE_IRQ_MORE 0x80 | |
| 112 | /* byte 1 seems to be unused */ | |
| 113 | ||
| 114 | #define HPEE_DMA_MAX_ENT 4 | |
| 115 | ||
| 116 | /* dma entry: byte 0 */ | |
| 117 | #define HPEE_DMA_CHANNEL_MASK 7 | |
| 118 | #define HPEE_DMA_SIZE_MASK 0xc | |
| 119 | #define HPEE_DMA_SIZE_BYTE 0x0 | |
| 120 | #define HPEE_DMA_SIZE_WORD 0x4 | |
| 121 | #define HPEE_DMA_SIZE_DWORD 0x8 | |
| 122 | #define HPEE_DMA_SHARED 0x40 | |
| 123 | #define HPEE_DMA_MORE 0x80 | |
| 124 | ||
| 125 | /* dma entry: byte 1 */ | |
| 126 | #define HPEE_DMA_TIMING_MASK 0x30 | |
| 127 | #define HPEE_DMA_TIMING_ISA 0x0 | |
| 128 | #define HPEE_DMA_TIMING_TYPEA 0x10 | |
| 129 | #define HPEE_DMA_TIMING_TYPEB 0x20 | |
| 130 | #define HPEE_DMA_TIMING_TYPEC 0x30 | |
| 131 | ||
| 132 | #define HPEE_PORT_MAX_ENT 20 | |
| 133 | /* port entry byte 0 */ | |
| 134 | #define HPEE_PORT_SIZE_MASK 0x1f | |
| 135 | #define HPEE_PORT_SHARED 0x40 | |
| 136 | #define HPEE_PORT_MORE 0x80 | |
| 137 | /* byte 1 and 2 is a 16bit LE value | |
| 138 | * conating the start port number */ | |
| 139 | ||
| 140 | #define HPEE_PORT_INIT_MAX_LEN 60 /* in bytes here */ | |
| 141 | /* port init entry byte 0 */ | |
| 142 | #define HPEE_PORT_INIT_WIDTH_MASK 0x3 | |
| 143 | #define HPEE_PORT_INIT_WIDTH_BYTE 0x0 | |
| 144 | #define HPEE_PORT_INIT_WIDTH_WORD 0x1 | |
| 145 | #define HPEE_PORT_INIT_WIDTH_DWORD 0x2 | |
| 146 | #define HPEE_PORT_INIT_MASK 0x4 | |
| 147 | #define HPEE_PORT_INIT_MORE 0x80 | |
| 148 | ||
| 149 | #define HPEE_SELECTION_MAX_ENT 26 | |
| 150 | ||
| 151 | #define HPEE_TYPE_MAX_LEN 80 | |
| 152 | ||
| 153 | #endif |