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 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <sys/ddi.h>
28 #include <sys/sunddi.h>
29
30 #include <mcamd_pcicfg.h>
31 #include <sys/pci_cfgspace.h>
32
33 struct _mc_pcicfg_hdl {
34 mc_t *cfh_mc;
35 enum mc_funcnum cfh_func;
36 ddi_acc_handle_t cfh_hdl;
37 };
38
39 static int
mccfgsetup(struct _mc_pcicfg_hdl * hdlp,mc_t * mc,enum mc_funcnum func)40 mccfgsetup(struct _mc_pcicfg_hdl *hdlp, mc_t *mc, enum mc_funcnum func)
41 {
42 hdlp->cfh_mc = mc;
43 hdlp->cfh_func = func;
44
45 if (mc->mc_funcs[func].mcf_devi == NULL)
46 return (DDI_FAILURE);
47
48 if (pci_config_setup(mc->mc_funcs[func].mcf_devi, &hdlp->cfh_hdl) !=
49 DDI_SUCCESS)
50 return (DDI_FAILURE);
51
52 return (DDI_SUCCESS);
53 }
54
55 int
mc_pcicfg_setup(mc_t * mc,enum mc_funcnum func,mc_pcicfg_hdl_t * cookiep)56 mc_pcicfg_setup(mc_t *mc, enum mc_funcnum func, mc_pcicfg_hdl_t *cookiep)
57 {
58 struct _mc_pcicfg_hdl *hdlp;
59
60 *cookiep = hdlp = kmem_alloc(sizeof (struct _mc_pcicfg_hdl), KM_SLEEP);
61
62 if (mccfgsetup(hdlp, mc, func) == DDI_FAILURE) {
63 kmem_free(hdlp, sizeof (*hdlp));
64 return (DDI_FAILURE);
65 }
66
67 return (DDI_SUCCESS);
68 }
69
70 void
mc_pcicfg_teardown(mc_pcicfg_hdl_t cookie)71 mc_pcicfg_teardown(mc_pcicfg_hdl_t cookie)
72 {
73 struct _mc_pcicfg_hdl *hdlp = cookie;
74
75 pci_config_teardown(&hdlp->cfh_hdl);
76 kmem_free(hdlp, sizeof (*hdlp));
77 }
78
79 uint32_t
mc_pcicfg_get32(mc_pcicfg_hdl_t cookie,off_t offset)80 mc_pcicfg_get32(mc_pcicfg_hdl_t cookie, off_t offset)
81 {
82 struct _mc_pcicfg_hdl *hdlp = cookie;
83
84 return (pci_config_get32(hdlp->cfh_hdl, offset));
85 }
86
87 void
mc_pcicfg_put32(mc_pcicfg_hdl_t cookie,off_t offset,uint32_t val)88 mc_pcicfg_put32(mc_pcicfg_hdl_t cookie, off_t offset, uint32_t val)
89 {
90 struct _mc_pcicfg_hdl *hdlp = cookie;
91
92 pci_config_put32(hdlp->cfh_hdl, offset, val);
93 }
94
95 uint32_t
mc_pcicfg_get32_nohdl(mc_t * mc,enum mc_funcnum func,off_t offset)96 mc_pcicfg_get32_nohdl(mc_t *mc, enum mc_funcnum func, off_t offset)
97 {
98 return ((*pci_getl_func)(0, MC_AMD_DEV_OFFSET + mc->mc_props.mcp_num,
99 func, offset));
100 }
101
102 void
mc_pcicfg_put32_nohdl(mc_t * mc,enum mc_funcnum func,off_t offset,uint32_t val)103 mc_pcicfg_put32_nohdl(mc_t *mc, enum mc_funcnum func, off_t offset,
104 uint32_t val)
105 {
106 (*pci_putl_func)(0, MC_AMD_DEV_OFFSET + mc->mc_props.mcp_num,
107 func, offset, val);
108 }
109