2 * The PCI Library -- NetBSD libpci access
3 * (based on FreeBSD /dev/pci access)
5 * Copyright (c) 1999 Jari Kirma <kirma@cs.hut.fi>
6 * Copyright (c) 2002 Quentin Garnier <cube@cubidou.net>
8 * Can be freely distributed and used under the terms of the GNU GPL.
12 * Read functionality of this driver is briefly tested, and seems
13 * to supply basic information correctly, but I promise no more.
25 nbsd_config(struct pci_access *a)
27 a->method_params[PCI_ACCESS_NBSD_LIBPCI] = PATH_NBSD_DEVICE;
31 nbsd_detect(struct pci_access *a)
33 char *name = a->method_params[PCI_ACCESS_NBSD_LIBPCI];
35 if (access(name, R_OK))
37 a->warning("Cannot open %s", name);
40 a->debug("...using %s", name);
45 nbsd_init(struct pci_access *a)
47 char *name = a->method_params[PCI_ACCESS_NBSD_LIBPCI];
49 a->fd = open(name, O_RDWR, 0);
52 a->error("nbsd_init: %s open failed", name);
57 nbsd_cleanup(struct pci_access *a)
63 nbsd_read(struct pci_dev *d, int pos, byte *buf, int len)
67 if (!(len == 1 || len == 2 || len == 4))
69 return pci_generic_block_read(d, pos, buf, len);
73 if (pcibus_conf_read(d->access->fd, d->bus, d->dev, d->func, pos, &val) < 0)
74 d->access->error("nbsd_read: pci_bus_conf_read() failed");
79 buf[0] = (u8) ((val>>16) & 0xff);
82 ((u16 *) buf)[0] = (u16) val;
85 ((u32 *) buf)[0] = (u32) val;
92 nbsd_write(struct pci_dev *d, int pos, byte *buf, int len)
96 if (!(len == 1 || len == 2 || len == 4))
98 return pci_generic_block_write(d, pos, buf, len);
107 val = ((u16 *) buf)[0];
110 val = ((u32 *) buf)[0];
114 if (pcibus_conf_write(d->access->fd, d->bus, d->dev, d->func, pos, val) < 0)
115 d->access->error("nbsd_write: pci_bus_conf_write() failed");
120 struct pci_methods pm_nbsd_libpci = {
127 pci_generic_fill_info,
131 NULL /* dev_cleanup */