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Rev | Author | Line No. | Line |
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1181 | jermar | 1 | /* |
1301 | jermar | 2 | * HelenOS PCI driver. |
3 | * |
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2471 | jermar | 4 | * (Based on public domain libpci example.c written by Martin Mares.) |
2071 | jermar | 5 | * Copyright (c) 2006 Jakub Jermar |
1181 | jermar | 6 | * |
1301 | jermar | 7 | * Can be freely distributed and used under the terms of the GNU GPL. |
1181 | jermar | 8 | */ |
9 | |||
1740 | jermar | 10 | /** |
11 | * @addtogroup pci |
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12 | * @{ |
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13 | */ |
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14 | |||
1181 | jermar | 15 | #include <stdio.h> |
16 | #include <ddi.h> |
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17 | #include <task.h> |
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18 | #include <stdlib.h> |
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1353 | jermar | 19 | #include <ipc/ipc.h> |
20 | #include <ipc/services.h> |
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1335 | jermar | 21 | #include <errno.h> |
1181 | jermar | 22 | |
1301 | jermar | 23 | #include "libpci/pci.h" |
24 | |||
25 | #define PCI_CONF1 0xcf8 |
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26 | #define PCI_CONF1_SIZE 8 |
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27 | |||
1335 | jermar | 28 | #define NAME "PCI" |
29 | |||
1343 | jermar | 30 | static struct pci_access *pacc; |
31 | |||
1181 | jermar | 32 | int main(int argc, char *argv[]) |
33 | { |
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1301 | jermar | 34 | struct pci_dev *dev; |
35 | unsigned int c; |
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36 | char buf[80]; |
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1336 | jermar | 37 | ipcarg_t ns_in_phone_hash; |
1301 | jermar | 38 | |
1335 | jermar | 39 | printf("%s: HelenOS PCI driver\n", NAME); |
40 | |||
1301 | jermar | 41 | /* |
42 | * Gain control over PCI configuration ports. |
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43 | */ |
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44 | iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE); |
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45 | |||
46 | pacc = pci_alloc(); /* Get the pci_access structure */ |
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47 | pci_init(pacc); /* Initialize the PCI library */ |
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48 | pci_scan_bus(pacc); /* We want to get the list of devices */ |
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49 | for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */ |
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1324 | jermar | 50 | pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ); |
1301 | jermar | 51 | c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */ |
52 | printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n", |
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53 | dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id, |
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54 | c, dev->irq, dev->base_addr[0]); |
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55 | printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, |
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56 | dev->vendor_id, dev->device_id)); |
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57 | } |
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58 | |||
1335 | jermar | 59 | printf("%s: registering at naming service.\n", NAME); |
2637 | cejka | 60 | if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, 0, &ns_in_phone_hash) != 0) { |
1335 | jermar | 61 | printf("Failed to register %s at naming service.\n", NAME); |
62 | return -1; |
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63 | } |
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1343 | jermar | 64 | |
1335 | jermar | 65 | printf("%s: accepting connections\n", NAME); |
1343 | jermar | 66 | while (1) { |
1335 | jermar | 67 | ipc_call_t call; |
68 | ipc_callid_t callid; |
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2619 | jermar | 69 | ipcarg_t retval = ENOTSUP; |
1343 | jermar | 70 | |
1365 | jermar | 71 | callid = ipc_wait_for_call(&call); |
1343 | jermar | 72 | switch(IPC_GET_METHOD(call)) { |
73 | case IPC_M_CONNECT_ME_TO: |
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2619 | jermar | 74 | retval = EOK; |
1343 | jermar | 75 | break; |
76 | } |
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2619 | jermar | 77 | ipc_answer_0(callid, retval); |
78 | printf("%s: received call from %lX\n", NAME, |
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79 | call.in_phone_hash); |
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1335 | jermar | 80 | } |
1343 | jermar | 81 | |
82 | pci_cleanup(pacc); |
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1181 | jermar | 83 | return 0; |
84 | } |
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1740 | jermar | 85 | |
86 | /** |
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87 | * @} |
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88 | */ |