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