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
133
134
135
136
137
138
|
// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2014 Broadcom Corporation
*/
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_net.h>
#include <defs.h>
#include "debug.h"
#include "core.h"
#include "common.h"
#include "of.h"
static int brcmf_of_get_country_codes(struct device *dev,
struct brcmf_mp_device *settings)
{
struct device_node *np = dev->of_node;
struct brcmfmac_pd_cc_entry *cce;
struct brcmfmac_pd_cc *cc;
int count;
int i;
count = of_property_count_strings(np, "brcm,ccode-map");
if (count < 0) {
/* If no explicit country code map is specified, check whether
* the trivial map should be used.
*/
settings->trivial_ccode_map =
of_property_read_bool(np, "brcm,ccode-map-trivial");
/* The property is optional, so return success if it doesn't
* exist. Otherwise propagate the error code.
*/
return (count == -EINVAL) ? 0 : count;
}
cc = devm_kzalloc(dev, struct_size(cc, table, count), GFP_KERNEL);
if (!cc)
return -ENOMEM;
cc->table_size = count;
for (i = 0; i < count; i++) {
const char *map;
cce = &cc->table[i];
if (of_property_read_string_index(np, "brcm,ccode-map",
i, &map))
continue;
/* String format e.g. US-Q2-86 */
if (sscanf(map, "%2c-%2c-%d", cce->iso3166, cce->cc,
&cce->rev) != 3)
brcmf_err("failed to read country map %s\n", map);
else
brcmf_dbg(INFO, "%s-%s-%d\n", cce->iso3166, cce->cc,
cce->rev);
}
settings->country_codes = cc;
return 0;
}
void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
struct brcmf_mp_device *settings)
{
struct brcmfmac_sdio_pd *sdio = &settings->bus.sdio;
struct device_node *root, *np = dev->of_node;
const char *prop;
int irq;
int err;
u32 irqf;
u32 val;
/* Apple ARM64 platforms have their own idea of board type, passed in
* via the device tree. They also have an antenna SKU parameter
*/
err = of_property_read_string(np, "brcm,board-type", &prop);
if (!err)
settings->board_type = prop;
if (!of_property_read_string(np, "apple,antenna-sku", &prop))
settings->antenna_sku = prop;
/* Set board-type to the first string of the machine compatible prop */
root = of_find_node_by_path("/");
if (root && err) {
char *board_type;
const char *tmp;
of_property_read_string_index(root, "compatible", 0, &tmp);
/* get rid of '/' in the compatible string to be able to find the FW */
board_type = devm_kstrdup(dev, tmp, GFP_KERNEL);
if (!board_type) {
of_node_put(root);
return;
}
strreplace(board_type, '/', '-');
settings->board_type = board_type;
of_node_put(root);
}
if (!np || !of_device_is_compatible(np, "brcm,bcm4329-fmac"))
return;
err = brcmf_of_get_country_codes(dev, settings);
if (err)
brcmf_err("failed to get OF country code map (err=%d)\n", err);
of_get_mac_address(np, settings->mac);
if (bus_type != BRCMF_BUSTYPE_SDIO)
return;
if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0)
sdio->drive_strength = val;
/* make sure there are interrupts defined in the node */
if (!of_find_property(np, "interrupts", NULL))
return;
irq = irq_of_parse_and_map(np, 0);
if (!irq) {
brcmf_err("interrupt could not be mapped\n");
return;
}
irqf = irqd_get_trigger_type(irq_get_irq_data(irq));
sdio->oob_irq_supported = true;
sdio->oob_irq_nr = irq;
sdio->oob_irq_flags = irqf;
}
|
