1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #include <sys/types.h>
26 #include <sys/ddi.h>
27 #include <sys/sunddi.h>
28 #include <sys/sunndi.h>
29 #include <sys/pcie_impl.h>
30 #include <sys/pcie_pwr.h>
31
32 void
pcie_init_plat(dev_info_t * dip)33 pcie_init_plat(dev_info_t *dip)
34 {
35 pcie_bus_t *bus_p = PCIE_DIP2BUS(dip);
36
37 if (PCIE_IS_PCIE_BDG(bus_p)) {
38 bus_p->bus_pcie2pci_secbus = bus_p->bus_bdg_secbus;
39 } else {
40 dev_info_t *pdip;
41
42 for (pdip = ddi_get_parent(dip); pdip;
43 pdip = ddi_get_parent(pdip)) {
44 pcie_bus_t *parent_bus_p = PCIE_DIP2BUS(pdip);
45
46 if (parent_bus_p->bus_pcie2pci_secbus) {
47 bus_p->bus_pcie2pci_secbus =
48 parent_bus_p->bus_pcie2pci_secbus;
49 break;
50 }
51 if (PCIE_IS_ROOT(parent_bus_p))
52 break;
53 }
54 }
55 }
56
57 void
pcie_fini_plat(dev_info_t * dip)58 pcie_fini_plat(dev_info_t *dip)
59 {
60 pcie_bus_t *bus_p = PCIE_DIP2BUS(dip);
61
62 if (PCIE_IS_PCIE_BDG(bus_p))
63 bus_p->bus_pcie2pci_secbus = 0;
64 }
65
66 int
pcie_plat_pwr_setup(dev_info_t * dip)67 pcie_plat_pwr_setup(dev_info_t *dip)
68 {
69 if (ddi_prop_create(DDI_DEV_T_NONE, dip, DDI_PROP_CANSLEEP,
70 "pm-want-child-notification?", NULL, NULL) != DDI_PROP_SUCCESS) {
71 PCIE_DBG("%s(%d): can't create pm-want-child-notification \n",
72 ddi_driver_name(dip), ddi_get_instance(dip));
73 return (DDI_FAILURE);
74 }
75 return (DDI_SUCCESS);
76 }
77
78 /*
79 * Undo whatever is done in pcie_plat_pwr_common_setup
80 */
81 void
pcie_plat_pwr_teardown(dev_info_t * dip)82 pcie_plat_pwr_teardown(dev_info_t *dip)
83 {
84 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip,
85 "pm-want-child-notification?");
86 }
87