1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* $OpenBSD: rtsx_pci.c,v 1.7 2014/08/19 17:55:03 phessler Exp $ */
/*
* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
* Copyright (c) 2012 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/ic/rtsxreg.h>
#include <dev/ic/rtsxvar.h>
#include <dev/sdmmc/sdmmcvar.h>
#define RTSX_PCI_BAR 0x10
struct rtsx_pci_softc {
struct rtsx_softc sc;
void *sc_ih;
};
int rtsx_pci_match(struct device *, void *, void *);
void rtsx_pci_attach(struct device *, struct device *, void *);
struct cfattach rtsx_pci_ca = {
sizeof(struct rtsx_pci_softc), rtsx_pci_match, rtsx_pci_attach,
NULL, rtsx_activate
};
int
rtsx_pci_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
/*
* Explicitly match the UNDEFINED device class only. Some RTS5902
* devices advertise a SYSTEM/SDHC class in addition to the UNDEFINED
* device class. Let sdhc(4) handle the SYSTEM/SDHC ones.
*/
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_REALTEK ||
PCI_CLASS(pa->pa_class) != PCI_CLASS_UNDEFINED)
return 0;
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5209 ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5227 ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5229 ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8402)
return 1;
return 0;
}
void
rtsx_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct rtsx_pci_softc *sc = (struct rtsx_pci_softc *)self;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
char const *intrstr;
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_size_t size;
int flags;
if ((pci_conf_read(pa->pa_pc, pa->pa_tag, RTSX_CFG_PCI)
& RTSX_CFG_ASIC) != 0) {
printf("%s: no asic\n", sc->sc.sc_dev.dv_xname);
return;
}
if (pci_intr_map_msi(pa, &ih) && pci_intr_map(pa, &ih)) {
printf(": can't map interrupt\n");
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_SDMMC,
rtsx_intr, sc, sc->sc.sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf(": can't establish interrupt\n");
return;
}
printf(": %s\n", intrstr);
if (pci_mem_find(pa->pa_pc, pa->pa_tag, RTSX_PCI_BAR,
NULL, NULL, NULL) != 0) {
printf("%s: can't find registers\n", sc->sc.sc_dev.dv_xname);
return;
}
if (pci_mapreg_map(pa, RTSX_PCI_BAR, PCI_MAPREG_TYPE_MEM, 0,
&iot, &ioh, NULL, &size, 0)) {
printf("%s: can't map registers\n", sc->sc.sc_dev.dv_xname);
return;
}
pci_set_powerstate(pa->pa_pc, pa->pa_tag, PCI_PMCSR_STATE_D0);
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_REALTEK_RTS5209:
flags = RTSX_F_5209;
break;
case PCI_PRODUCT_REALTEK_RTS5227:
flags = RTSX_F_5227;
break;
case PCI_PRODUCT_REALTEK_RTS5229:
flags = RTSX_F_5229;
break;
default:
flags = 0;
break;
}
if (rtsx_attach(&sc->sc, iot, ioh, size, pa->pa_dmat, flags) != 0)
printf("%s: can't initialize chip\n", sc->sc.sc_dev.dv_xname);
}
|
