Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 1 | #include <stdio.h> |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame^] | 2 | #include "pci-userspace.h" |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 3 | |
Luc Verhaegen | e6e899d | 2009-05-27 11:39:16 +0000 | [diff] [blame] | 4 | #ifdef PCI_LIB_VERSION |
| 5 | #define LIBPCI_CHECK_VERSION(major,minor,micro) \ |
| 6 | ((((major) << 16) | ((minor) << 8) | (micro)) <= PCI_LIB_VERSION) |
| 7 | #else |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 8 | #define LIBPCI_CHECK_VERSION(major,minor,micro) \ |
| 9 | ( (LIBPCI_MAJOR_VERSION > (major)) || \ |
| 10 | (LIBPCI_MAJOR_VERSION == (major) && LIBPCI_MINOR_VERSION > (minor)) || \ |
| 11 | (LIBPCI_MAJOR_VERSION == (major) && LIBPCI_MINOR_VERSION == (minor)) && \ |
| 12 | LIBPCI_MICRO_VERSION >= (micro) ) |
Luc Verhaegen | e6e899d | 2009-05-27 11:39:16 +0000 | [diff] [blame] | 13 | #endif |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 14 | |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 15 | #define PCITAG struct pci_filter * |
| 16 | |
| 17 | #define DEBUG_PCI 1 |
| 18 | |
| 19 | struct pci_access *pacc; |
| 20 | struct pci_dev *dev; |
| 21 | |
| 22 | struct pci_filter ltag; |
| 23 | |
| 24 | |
| 25 | int pciNumBuses = 0; |
| 26 | |
| 27 | int pciInit(void) |
| 28 | { |
| 29 | pacc = pci_alloc(); |
| 30 | |
| 31 | pci_init(pacc); |
| 32 | pci_scan_bus(pacc); |
| 33 | for (dev = pacc->devices; dev; dev = dev->next) { |
| 34 | pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES); |
| 35 | } |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | int pciExit(void) |
| 40 | { |
| 41 | pci_cleanup(pacc); |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | PCITAG findPci(unsigned short bx) |
| 46 | { |
| 47 | PCITAG tag = <ag; |
| 48 | |
| 49 | int bus = (bx >> 8) & 0xFF; |
| 50 | int slot = (bx >> 3) & 0x1F; |
| 51 | int func = bx & 0x7; |
| 52 | |
| 53 | tag->bus = bus; |
| 54 | tag->slot = slot; |
| 55 | tag->func = func; |
| 56 | |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 57 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 58 | if (pci_get_dev(pacc, 0, bus, slot, func)) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 59 | #else |
| 60 | if (pci_get_dev(pacc, bus, slot, func)) |
| 61 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 62 | return tag; |
| 63 | |
| 64 | return NULL; |
| 65 | } |
| 66 | |
| 67 | u32 pciSlotBX(PCITAG tag) |
| 68 | { |
| 69 | return (tag->bus << 8) | (tag->slot << 3) | (tag->func); |
| 70 | } |
| 71 | |
| 72 | u8 pciReadByte(PCITAG tag, u32 idx) |
| 73 | { |
| 74 | struct pci_dev *d; |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 75 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 76 | if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func))) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 77 | #else |
| 78 | if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func))) |
| 79 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 80 | return pci_read_byte(d, idx); |
| 81 | #ifdef DEBUG_PCI |
| 82 | printf("PCI: device not found while read byte (%x:%x.%x)\n", |
| 83 | tag->bus, tag->slot, tag->func); |
| 84 | #endif |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | u16 pciReadWord(PCITAG tag, u32 idx) |
| 89 | { |
| 90 | struct pci_dev *d; |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 91 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 92 | if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func))) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 93 | #else |
| 94 | if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func))) |
| 95 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 96 | return pci_read_word(d, idx); |
| 97 | #ifdef DEBUG_PCI |
| 98 | printf("PCI: device not found while read word (%x:%x.%x)\n", |
| 99 | tag->bus, tag->slot, tag->func); |
| 100 | #endif |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | u32 pciReadLong(PCITAG tag, u32 idx) |
| 105 | { |
| 106 | struct pci_dev *d; |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 107 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 108 | if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func))) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 109 | #else |
| 110 | if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func))) |
| 111 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 112 | return pci_read_long(d, idx); |
| 113 | #ifdef DEBUG_PCI |
| 114 | printf("PCI: device not found while read long (%x:%x.%x)\n", |
| 115 | tag->bus, tag->slot, tag->func); |
| 116 | #endif |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | |
| 121 | void pciWriteLong(PCITAG tag, u32 idx, u32 data) |
| 122 | { |
| 123 | struct pci_dev *d; |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 124 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 125 | if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func))) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 126 | #else |
| 127 | if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func))) |
| 128 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 129 | pci_write_long(d, idx, data); |
| 130 | #ifdef DEBUG_PCI |
| 131 | else |
| 132 | printf("PCI: device not found while write long (%x:%x.%x)\n", |
| 133 | tag->bus, tag->slot, tag->func); |
| 134 | #endif |
| 135 | } |
| 136 | |
| 137 | void pciWriteWord(PCITAG tag, u32 idx, u16 data) |
| 138 | { |
| 139 | struct pci_dev *d; |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 140 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 141 | if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func))) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 142 | #else |
| 143 | if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func))) |
| 144 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 145 | pci_write_word(d, idx, data); |
| 146 | #ifdef DEBUG_PCI |
| 147 | else |
| 148 | printf("PCI: device not found while write word (%x:%x.%x)\n", |
| 149 | tag->bus, tag->slot, tag->func); |
| 150 | #endif |
| 151 | |
| 152 | } |
| 153 | |
| 154 | void pciWriteByte(PCITAG tag, u32 idx, u8 data) |
| 155 | { |
| 156 | struct pci_dev *d; |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 157 | #if LIBPCI_CHECK_VERSION(2,1,99) |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 158 | if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func))) |
Stefan Reinauer | 1858844 | 2005-01-17 11:08:08 +0000 | [diff] [blame] | 159 | #else |
| 160 | if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func))) |
| 161 | #endif |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 162 | pci_write_long(d, idx, data); |
| 163 | #ifdef DEBUG_PCI |
| 164 | else |
| 165 | printf("PCI: device not found while write long (%x:%x.%x)\n", |
| 166 | tag->bus, tag->slot, tag->func); |
| 167 | #endif |
| 168 | } |