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 */ 39 DECLARE_CLASS(pci_driver); 40 41 extern int pci_do_power_resume; 42 extern int pci_do_power_suspend; 43 44 void pci_add_children(device_t dev, int domain, int busno, 45 size_t dinfo_size); 46 void pci_add_child(device_t bus, struct pci_devinfo *dinfo); 47 void pci_add_resources(device_t bus, device_t dev, int force, 48 uint32_t prefetchmask); 49 void pci_delete_child(device_t dev, device_t child); 50 void pci_driver_added(device_t dev, driver_t *driver); 51 int pci_print_child(device_t dev, device_t child); 52 void pci_probe_nomatch(device_t dev, device_t child); 53 int pci_read_ivar(device_t dev, device_t child, int which, 54 uintptr_t *result); 55 int pci_write_ivar(device_t dev, device_t child, int which, 56 uintptr_t value); 57 int pci_setup_intr(device_t dev, device_t child, 58 struct resource *irq, int flags, driver_filter_t *filter, 59 driver_intr_t *intr, void *arg, void **cookiep); 60 int pci_teardown_intr(device_t dev, device_t child, 61 struct resource *irq, void *cookie); 62 int pci_get_vpd_ident_method(device_t dev, device_t child, 63 const char **identptr); 64 int pci_get_vpd_readonly_method(device_t dev, device_t child, 65 const char *kw, const char **vptr); 66 int pci_set_powerstate_method(device_t dev, device_t child, 67 int state); 68 int pci_get_powerstate_method(device_t dev, device_t child); 69 uint32_t pci_read_config_method(device_t dev, device_t child, 70 int reg, int width); 71 void pci_write_config_method(device_t dev, device_t child, 72 int reg, uint32_t val, int width); 73 int pci_enable_busmaster_method(device_t dev, device_t child); 74 int pci_disable_busmaster_method(device_t dev, device_t child); 75 int pci_enable_io_method(device_t dev, device_t child, int space); 76 int pci_disable_io_method(device_t dev, device_t child, int space); 77 int pci_find_extcap_method(device_t dev, device_t child, 78 int capability, int *capreg); 79 int pci_alloc_msi_method(device_t dev, device_t child, int *count); 80 int pci_alloc_msix_method(device_t dev, device_t child, int *count); 81 int pci_remap_msix_method(device_t dev, device_t child, 82 int count, const u_int *vectors); 83 int pci_release_msi_method(device_t dev, device_t child); 84 int pci_msi_count_method(device_t dev, device_t child); 85 int pci_msix_count_method(device_t dev, device_t child); 86 struct resource *pci_alloc_resource(device_t dev, device_t child, 87 int type, int *rid, u_long start, u_long end, u_long count, 88 u_int flags); 89 int pci_activate_resource(device_t dev, device_t child, int type, 90 int rid, struct resource *r); 91 int pci_deactivate_resource(device_t dev, device_t child, int type, 92 int rid, struct resource *r); 93 void pci_delete_resource(device_t dev, device_t child, 94 int type, int rid); 95 struct resource_list *pci_get_resource_list (device_t dev, device_t child); 96 struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f, 97 size_t size); 98 void pci_print_verbose(struct pci_devinfo *dinfo); 99 int pci_freecfg(struct pci_devinfo *dinfo); 100 int pci_child_location_str_method(device_t cbdev, device_t child, 101 char *buf, size_t buflen); 102 int pci_child_pnpinfo_str_method(device_t cbdev, device_t child, 103 char *buf, size_t buflen); 104 int pci_assign_interrupt_method(device_t dev, device_t child); 105 int pci_resume(device_t dev); 106 int pci_suspend(device_t dev); 107 108 /** Restore the config register state. The state must be previously 109 * saved with pci_cfg_save. However, the pci bus driver takes care of 110 * that. This function will also return the device to PCI_POWERSTATE_D0 111 * if it is currently in a lower power mode. 112 */ 113 void pci_cfg_restore(device_t, struct pci_devinfo *); 114 115 /** Save the config register state. Optionally set the power state to D3 116 * if the third argument is non-zero. 117 */ 118 void pci_cfg_save(device_t, struct pci_devinfo *, int); 119 120 #endif /* _PCI_PRIVATE_H_ */ 121