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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * SD card host support. This is the API that host drivers access.
27 */
28
29 #include <sys/types.h>
30 #include <sys/conf.h>
31 #include <sys/cmn_err.h>
32 #include <sys/varargs.h>
33 #include <sys/ddi.h>
34 #include <sys/sunddi.h>
35 #include <sys/sdcard/sda.h>
36 #include <sys/sdcard/sda_impl.h>
37
38 /*
39 * Implementation.
40 */
41
42 void
sda_host_init_ops(struct dev_ops * devops)43 sda_host_init_ops(struct dev_ops *devops)
44 {
45 bd_mod_init(devops);
46 }
47
48 void
sda_host_fini_ops(struct dev_ops * devops)49 sda_host_fini_ops(struct dev_ops *devops)
50 {
51 bd_mod_fini(devops);
52 }
53
54 sda_host_t *
sda_host_alloc(dev_info_t * dip,int nslot,sda_ops_t * ops,ddi_dma_attr_t * dma)55 sda_host_alloc(dev_info_t *dip, int nslot, sda_ops_t *ops, ddi_dma_attr_t *dma)
56 {
57 sda_host_t *h;
58
59 if (ops->so_version != SDA_OPS_VERSION) {
60 return (NULL);
61 }
62
63 h = kmem_zalloc(sizeof (*h), KM_SLEEP);
64 h->h_nslot = nslot;
65 h->h_slots = kmem_zalloc(sizeof (sda_slot_t) * nslot, KM_SLEEP);
66 h->h_dma = dma;
67 h->h_dip = dip;
68
69 /* initialize each slot */
70 for (int i = 0; i < nslot; i++) {
71 sda_slot_t *slot = &h->h_slots[i];
72
73 slot->s_hostp = h;
74 slot->s_slot_num = i;
75 slot->s_ops = *ops;
76
77 sda_slot_init(slot);
78 }
79
80 return (h);
81 }
82
83 void
sda_host_free(sda_host_t * h)84 sda_host_free(sda_host_t *h)
85 {
86 for (int i = 0; i < h->h_nslot; i++) {
87 sda_slot_fini(&h->h_slots[i]);
88 }
89
90 kmem_free(h->h_slots, sizeof (sda_slot_t) * h->h_nslot);
91 kmem_free(h, sizeof (*h));
92 }
93
94 void
sda_host_set_private(sda_host_t * h,int num,void * private)95 sda_host_set_private(sda_host_t *h, int num, void *private)
96 {
97 h->h_slots[num].s_prv = private;
98 }
99
100 int
sda_host_attach(sda_host_t * h)101 sda_host_attach(sda_host_t *h)
102 {
103 /*
104 * Attach slots.
105 */
106 for (int i = 0; i < h->h_nslot; i++) {
107
108 sda_slot_attach(&h->h_slots[i]);
109
110 /*
111 * Initiate card detection.
112 */
113 sda_host_detect(h, i);
114 }
115
116 return (DDI_SUCCESS);
117 }
118
119 void
sda_host_detach(sda_host_t * h)120 sda_host_detach(sda_host_t *h)
121 {
122 /*
123 * Detach slots.
124 */
125 for (int i = 0; i < h->h_nslot; i++) {
126 sda_slot_detach(&h->h_slots[i]);
127 }
128 }
129
130 void
sda_host_suspend(sda_host_t * h)131 sda_host_suspend(sda_host_t *h)
132 {
133 for (int i = 0; i < h->h_nslot; i++) {
134 sda_slot_suspend(&h->h_slots[i]);
135 }
136 }
137
138 void
sda_host_resume(sda_host_t * h)139 sda_host_resume(sda_host_t *h)
140 {
141 for (int i = 0; i < h->h_nslot; i++) {
142 sda_slot_resume(&h->h_slots[i]);
143 }
144 }
145
146 void
sda_host_transfer(sda_host_t * h,int num,sda_err_t errno)147 sda_host_transfer(sda_host_t *h, int num, sda_err_t errno)
148 {
149 sda_slot_transfer(&h->h_slots[num], errno);
150 }
151
152 void
sda_host_detect(sda_host_t * h,int num)153 sda_host_detect(sda_host_t *h, int num)
154 {
155 sda_slot_detect(&h->h_slots[num]);
156 }
157
158 void
sda_host_fault(sda_host_t * h,int num,sda_fault_t fail)159 sda_host_fault(sda_host_t *h, int num, sda_fault_t fail)
160 {
161 sda_slot_fault(&h->h_slots[num], fail);
162 }
163
164 void
sda_host_log(sda_host_t * h,int snum,const char * fmt,...)165 sda_host_log(sda_host_t *h, int snum, const char *fmt, ...)
166 {
167 va_list ap;
168
169 va_start(ap, fmt);
170 if (h != NULL) {
171 sda_slot_log(&h->h_slots[snum], fmt, ap);
172 } else {
173 sda_slot_log(NULL, fmt, ap);
174 }
175 va_end(ap);
176 }
177