2 * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
3 * Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000, BSDi
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #ifndef _PCI_PRIVATE_H_
33 #define _PCI_PRIVATE_H_
36 * Export definitions of the pci bus so that we can more easily share
37 * it with "subclass" busses.
39 DECLARE_CLASS(pci_driver);
42 bus_dma_tag_t sc_dma_tag;
44 struct resource *sc_bus;
48 extern int pci_do_power_resume;
49 extern int pci_do_power_suspend;
51 void pci_add_children(device_t dev, int domain, int busno,
53 void pci_add_child(device_t bus, struct pci_devinfo *dinfo);
54 void pci_add_resources(device_t bus, device_t dev, int force,
55 uint32_t prefetchmask);
56 int pci_attach_common(device_t dev);
57 void pci_delete_child(device_t dev, device_t child);
58 void pci_driver_added(device_t dev, driver_t *driver);
59 int pci_print_child(device_t dev, device_t child);
60 void pci_probe_nomatch(device_t dev, device_t child);
61 int pci_read_ivar(device_t dev, device_t child, int which,
63 int pci_write_ivar(device_t dev, device_t child, int which,
65 int pci_setup_intr(device_t dev, device_t child,
66 struct resource *irq, int flags, driver_filter_t *filter,
67 driver_intr_t *intr, void *arg, void **cookiep);
68 int pci_teardown_intr(device_t dev, device_t child,
69 struct resource *irq, void *cookie);
70 int pci_get_vpd_ident_method(device_t dev, device_t child,
71 const char **identptr);
72 int pci_get_vpd_readonly_method(device_t dev, device_t child,
73 const char *kw, const char **vptr);
74 int pci_set_powerstate_method(device_t dev, device_t child,
76 int pci_get_powerstate_method(device_t dev, device_t child);
77 uint32_t pci_read_config_method(device_t dev, device_t child,
79 void pci_write_config_method(device_t dev, device_t child,
80 int reg, uint32_t val, int width);
81 int pci_enable_busmaster_method(device_t dev, device_t child);
82 int pci_disable_busmaster_method(device_t dev, device_t child);
83 int pci_enable_io_method(device_t dev, device_t child, int space);
84 int pci_disable_io_method(device_t dev, device_t child, int space);
85 int pci_find_cap_method(device_t dev, device_t child,
86 int capability, int *capreg);
87 int pci_find_extcap_method(device_t dev, device_t child,
88 int capability, int *capreg);
89 int pci_find_htcap_method(device_t dev, device_t child,
90 int capability, int *capreg);
91 int pci_alloc_msi_method(device_t dev, device_t child, int *count);
92 int pci_alloc_msix_method(device_t dev, device_t child, int *count);
93 int pci_remap_msix_method(device_t dev, device_t child,
94 int count, const u_int *vectors);
95 int pci_release_msi_method(device_t dev, device_t child);
96 int pci_msi_count_method(device_t dev, device_t child);
97 int pci_msix_count_method(device_t dev, device_t child);
98 struct resource *pci_alloc_resource(device_t dev, device_t child,
99 int type, int *rid, u_long start, u_long end, u_long count,
101 int pci_release_resource(device_t dev, device_t child, int type,
102 int rid, struct resource *r);
103 int pci_activate_resource(device_t dev, device_t child, int type,
104 int rid, struct resource *r);
105 int pci_deactivate_resource(device_t dev, device_t child, int type,
106 int rid, struct resource *r);
107 void pci_delete_resource(device_t dev, device_t child,
109 struct resource_list *pci_get_resource_list (device_t dev, device_t child);
110 struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f,
112 void pci_print_verbose(struct pci_devinfo *dinfo);
113 int pci_freecfg(struct pci_devinfo *dinfo);
114 void pci_child_detached(device_t dev, device_t child);
115 int pci_child_location_str_method(device_t cbdev, device_t child,
116 char *buf, size_t buflen);
117 int pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
118 char *buf, size_t buflen);
119 int pci_assign_interrupt_method(device_t dev, device_t child);
120 int pci_resume(device_t dev);
121 int pci_suspend(device_t dev);
122 bus_dma_tag_t pci_get_dma_tag(device_t bus, device_t dev);
124 /** Restore the config register state. The state must be previously
125 * saved with pci_cfg_save. However, the pci bus driver takes care of
126 * that. This function will also return the device to PCI_POWERSTATE_D0
127 * if it is currently in a lower power mode.
129 void pci_cfg_restore(device_t, struct pci_devinfo *);
131 /** Save the config register state. Optionally set the power state to D3
132 * if the third argument is non-zero.
134 void pci_cfg_save(device_t, struct pci_devinfo *, int);
136 #endif /* _PCI_PRIVATE_H_ */