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1 | /* |
1 | /* |
2 | * HelenOS PCI driver. |
2 | * HelenOS PCI driver. |
3 | * |
3 | * |
4 | * (Based on public domain libpci example.c written by Martin Mares.) |
4 | * (Based on public domain libpci example.c written by Martin Mares.) |
5 | * Copyright (c) 2006 Jakub Jermar |
5 | * Copyright (c) 2006 Jakub Jermar |
6 | * |
6 | * |
7 | * Can be freely distributed and used under the terms of the GNU GPL. |
7 | * Can be freely distributed and used under the terms of the GNU GPL. |
8 | */ |
8 | */ |
9 | 9 | ||
10 | /** |
10 | /** |
11 | * @addtogroup pci |
11 | * @addtogroup pci |
12 | * @{ |
12 | * @{ |
13 | */ |
13 | */ |
14 | 14 | ||
15 | #include <stdio.h> |
15 | #include <stdio.h> |
16 | #include <ddi.h> |
16 | #include <ddi.h> |
17 | #include <task.h> |
17 | #include <task.h> |
18 | #include <stdlib.h> |
18 | #include <stdlib.h> |
19 | #include <ipc/ipc.h> |
19 | #include <ipc/ipc.h> |
20 | #include <ipc/services.h> |
20 | #include <ipc/services.h> |
21 | #include <errno.h> |
21 | #include <errno.h> |
22 | 22 | ||
23 | #include "libpci/pci.h" |
23 | #include "libpci/pci.h" |
24 | 24 | ||
25 | #define PCI_CONF1 0xcf8 |
25 | #define PCI_CONF1 0xcf8 |
26 | #define PCI_CONF1_SIZE 8 |
26 | #define PCI_CONF1_SIZE 8 |
27 | 27 | ||
28 | #define NAME "PCI" |
28 | #define NAME "PCI" |
29 | 29 | ||
30 | static struct pci_access *pacc; |
30 | static struct pci_access *pacc; |
31 | 31 | ||
32 | int main(int argc, char *argv[]) |
32 | int main(int argc, char *argv[]) |
33 | { |
33 | { |
34 | struct pci_dev *dev; |
34 | struct pci_dev *dev; |
35 | unsigned int c; |
35 | unsigned int c; |
36 | char buf[80]; |
36 | char buf[80]; |
37 | ipcarg_t ns_in_phone_hash; |
37 | ipcarg_t ns_in_phone_hash; |
38 | 38 | ||
39 | printf("%s: HelenOS PCI driver\n", NAME); |
39 | printf("%s: HelenOS PCI driver\n", NAME); |
40 | 40 | ||
41 | /* |
41 | /* |
42 | * Gain control over PCI configuration ports. |
42 | * Gain control over PCI configuration ports. |
43 | */ |
43 | */ |
44 | iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE); |
44 | iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE); |
45 | 45 | ||
46 | pacc = pci_alloc(); /* Get the pci_access structure */ |
46 | pacc = pci_alloc(); /* Get the pci_access structure */ |
47 | pci_init(pacc); /* Initialize the PCI library */ |
47 | pci_init(pacc); /* Initialize the PCI library */ |
48 | pci_scan_bus(pacc); /* We want to get the list of devices */ |
48 | pci_scan_bus(pacc); /* We want to get the list of devices */ |
49 | for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */ |
49 | for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */ |
50 | pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ); |
50 | pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ); |
51 | c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */ |
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", |
52 | printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n", |
53 | dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id, |
53 | dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id, |
54 | c, dev->irq, dev->base_addr[0]); |
54 | c, dev->irq, dev->base_addr[0]); |
55 | printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, |
55 | printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, |
56 | dev->vendor_id, dev->device_id)); |
56 | dev->vendor_id, dev->device_id)); |
57 | } |
57 | } |
58 | 58 | ||
59 | printf("%s: registering at naming service.\n", NAME); |
59 | printf("%s: registering at naming service.\n", NAME); |
60 | if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, &ns_in_phone_hash) != 0) { |
60 | if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, &ns_in_phone_hash) != 0) { |
61 | printf("Failed to register %s at naming service.\n", NAME); |
61 | printf("Failed to register %s at naming service.\n", NAME); |
62 | return -1; |
62 | return -1; |
63 | } |
63 | } |
64 | 64 | ||
65 | printf("%s: accepting connections\n", NAME); |
65 | printf("%s: accepting connections\n", NAME); |
66 | while (1) { |
66 | while (1) { |
67 | ipc_call_t call; |
67 | ipc_call_t call; |
68 | ipc_callid_t callid; |
68 | ipc_callid_t callid; |
- | 69 | ipcarg_t retval = ENOTSUP; |
|
69 | 70 | ||
70 | callid = ipc_wait_for_call(&call); |
71 | callid = ipc_wait_for_call(&call); |
71 | switch(IPC_GET_METHOD(call)) { |
72 | switch(IPC_GET_METHOD(call)) { |
72 | case IPC_M_CONNECT_ME_TO: |
73 | case IPC_M_CONNECT_ME_TO: |
73 | IPC_SET_RETVAL(call, 0); |
74 | retval = EOK; |
74 | break; |
75 | break; |
75 | } |
76 | } |
76 | if (! (callid & IPC_CALLID_NOTIFICATION)) { |
- | |
77 | ipc_answer(callid, &call); |
77 | ipc_answer_0(callid, retval); |
78 | } |
- | |
79 | printf("%s: received call from %lX\n", NAME, call.in_phone_hash); |
78 | printf("%s: received call from %lX\n", NAME, |
- | 79 | call.in_phone_hash); |
|
80 | } |
80 | } |
81 | 81 | ||
82 | pci_cleanup(pacc); |
82 | pci_cleanup(pacc); |
83 | return 0; |
83 | return 0; |
84 | } |
84 | } |
85 | 85 | ||
86 | /** |
86 | /** |
87 | * @} |
87 | * @} |
88 | */ |
88 | */ |
89 | 89 |