1/*-
2 * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
3 * Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000, BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice unmodified, this list of conditions, and the following
12 *    disclaimer.
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.
16 *
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.
27 *
28 * $FreeBSD$
29 *
30 */
31
32#ifndef _PCI_PRIVATE_H_
33#define	_PCI_PRIVATE_H_
34
35/*
36 * Export definitions of the pci bus so that we can more easily share
37 * it with "subclass" busses.
38 */
39DECLARE_CLASS(pci_driver);
40
41struct pci_softc {
42	bus_dma_tag_t sc_dma_tag;
43};
44
45extern int 	pci_do_power_resume;
46extern int 	pci_do_power_suspend;
47
48void		pci_add_children(device_t dev, int domain, int busno,
49		    size_t dinfo_size);
50void		pci_add_child(device_t bus, struct pci_devinfo *dinfo);
51void		pci_add_resources(device_t bus, device_t dev, int force,
52		    uint32_t prefetchmask);
53int		pci_attach_common(device_t dev);
54void		pci_delete_child(device_t dev, device_t child);
55void		pci_driver_added(device_t dev, driver_t *driver);
56int		pci_print_child(device_t dev, device_t child);
57void		pci_probe_nomatch(device_t dev, device_t child);
58int		pci_read_ivar(device_t dev, device_t child, int which,
59		    uintptr_t *result);
60int		pci_write_ivar(device_t dev, device_t child, int which,
61		    uintptr_t value);
62int		pci_setup_intr(device_t dev, device_t child,
63		    struct resource *irq, int flags, driver_filter_t *filter,
64		    driver_intr_t *intr, void *arg, void **cookiep);
65int		pci_teardown_intr(device_t dev, device_t child,
66		    struct resource *irq, void *cookie);
67int		pci_get_vpd_ident_method(device_t dev, device_t child,
68		    const char **identptr);
69int		pci_get_vpd_readonly_method(device_t dev, device_t child,
70		    const char *kw, const char **vptr);
71int		pci_set_powerstate_method(device_t dev, device_t child,
72		    int state);
73int		pci_get_powerstate_method(device_t dev, device_t child);
74uint32_t	pci_read_config_method(device_t dev, device_t child,
75		    int reg, int width);
76void		pci_write_config_method(device_t dev, device_t child,
77		    int reg, uint32_t val, int width);
78int		pci_enable_busmaster_method(device_t dev, device_t child);
79int		pci_disable_busmaster_method(device_t dev, device_t child);
80int		pci_enable_io_method(device_t dev, device_t child, int space);
81int		pci_disable_io_method(device_t dev, device_t child, int space);
82int		pci_find_extcap_method(device_t dev, device_t child,
83		    int capability, int *capreg);
84int		pci_alloc_msi_method(device_t dev, device_t child, int *count);
85int		pci_alloc_msix_method(device_t dev, device_t child, int *count);
86int		pci_remap_msix_method(device_t dev, device_t child,
87		    int count, const u_int *vectors);
88int		pci_release_msi_method(device_t dev, device_t child);
89int		pci_msi_count_method(device_t dev, device_t child);
90int		pci_msix_count_method(device_t dev, device_t child);
91struct resource	*pci_alloc_resource(device_t dev, device_t child,
92		    int type, int *rid, u_long start, u_long end, u_long count,
93		    u_int flags);
94int		pci_release_resource(device_t dev, device_t child, int type,
95		    int rid, struct resource *r);
96int		pci_activate_resource(device_t dev, device_t child, int type,
97		    int rid, struct resource *r);
98int		pci_deactivate_resource(device_t dev, device_t child, int type,
99		    int rid, struct resource *r);
100void		pci_delete_resource(device_t dev, device_t child,
101		    int type, int rid);
102struct resource_list *pci_get_resource_list (device_t dev, device_t child);
103struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f,
104		    size_t size);
105void		pci_print_verbose(struct pci_devinfo *dinfo);
106int		pci_freecfg(struct pci_devinfo *dinfo);
107int		pci_child_location_str_method(device_t cbdev, device_t child,
108		    char *buf, size_t buflen);
109int		pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
110		    char *buf, size_t buflen);
111int		pci_assign_interrupt_method(device_t dev, device_t child);
112int		pci_resume(device_t dev);
113int		pci_suspend(device_t dev);
114
115/** Restore the config register state.  The state must be previously
116 * saved with pci_cfg_save.  However, the pci bus driver takes care of
117 * that.  This function will also return the device to PCI_POWERSTATE_D0
118 * if it is currently in a lower power mode.
119 */
120void		pci_cfg_restore(device_t, struct pci_devinfo *);
121
122/** Save the config register state.  Optionally set the power state to D3
123 * if the third argument is non-zero.
124 */
125void		pci_cfg_save(device_t, struct pci_devinfo *, int);
126
127#endif /* _PCI_PRIVATE_H_ */
128