minix/drivers/bus/pci/pci.h

   1 /*
   2 pci.h
   3
   4 Created:        Jan 2000 by Philip Homburg <philip@cs.vu.nl>
   5 */
   6
   7 struct pci_isabridge
   8 {
   9         u16_t vid;
  10         u16_t did;
  11         int checkclass;
  12         int type;
  13 };
  14
  15 struct pci_acl
  16 {
  17         int inuse;
  18         struct rs_pci acl;
  19 };
  20
  21 #define NR_DRIVERS      NR_SYS_PROCS
  22
  23 #define PCI_IB_PIIX     1       /* Intel PIIX compatible ISA bridge */
  24 #define PCI_IB_VIA      2       /* VIA compatible ISA bridge */
  25 #define PCI_IB_AMD      3       /* AMD compatible ISA bridge */
  26 #define PCI_IB_SIS      4       /* SIS compatible ISA bridge */
  27
  28 #define PCI_PPB_STD     1       /* Standard PCI-to-PCI bridge */
  29 #define PCI_PPB_CB      2       /* Cardbus bridge */
  30 /* Still needed? */
  31 #define PCI_AGPB_VIA    3       /* VIA compatible AGP bridge */
  32
  33 extern int debug;
  34
  35 extern struct pci_isabridge pci_isabridge[];
  36 extern struct pci_acl pci_acl[NR_DRIVERS];
  37
  38 /* Function prototypes. */
  39 int sef_cb_init(int type, sef_init_info_t *info);
  40 int map_service(struct rprocpub *rpub);
  41
  42 int _pci_grant_access(int devind, endpoint_t proc);
  43 int _pci_reserve(int devind, endpoint_t proc, struct rs_pci *aclp);
  44 void _pci_release(endpoint_t proc);
  45
  46 int _pci_first_dev(struct rs_pci *aclp, int *devindp, u16_t *vidp,
  47         u16_t *didp);
  48 int _pci_next_dev(struct rs_pci *aclp, int *devindp, u16_t *vidp, u16_t
  49         *didp);
  50 int _pci_find_dev(u8_t bus, u8_t dev, u8_t func, int *devindp);
  51
  52 void _pci_rescan_bus(u8_t busnr);
  53 const char *_pci_dev_name(u16_t vid, u16_t did);
  54
  55
  56 int _pci_get_bar(int devind, int port, u32_t *base, u32_t *size, int
  57         *ioflag);
  58 int _pci_slot_name(int devind, char **cpp);
  59 int _pci_ids(int devind, u16_t *vidp, u16_t *didp);
  60
  61 /* PCI Config Read functions */
  62 int _pci_attr_r8(int devind, int port, u8_t *vp);
  63 int _pci_attr_r16(int devind, int port, u16_t *vp);
  64 int _pci_attr_r32(int devind, int port, u32_t *vp);
  65
  66 /* PCI Config Write functions */
  67 int _pci_attr_w8(int devind, int port, u8_t value);
  68 int _pci_attr_w16(int devind, int port, u16_t value);
  69 int _pci_attr_w32(int devind, int port, u32_t value);
  70
  71 /* minix hooks into NetBSD PCI IDS DB */
  72 typedef uint32_t pcireg_t;
  73 const char *pci_baseclass_name(pcireg_t reg);
  74 const char *pci_subclass_name(pcireg_t reg);