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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
From 18b2be31a35dc8bd216e60e3c9d8d8e7b2179aed Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sat, 28 Mar 2009 20:38:40 +0100
Subject: [PATCH 6/9] rt2x00: Add rt2x00soc bus module
Add new library module for SoC drivers.
This is needed to fully support the platform
driver part of rt2800pci.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/Kconfig | 4 +
drivers/net/wireless/rt2x00/Makefile | 1 +
drivers/net/wireless/rt2x00/rt2x00soc.c | 159 +++++++++++++++++++++++++++++++
drivers/net/wireless/rt2x00/rt2x00soc.h | 52 ++++++++++
4 files changed, 216 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/wireless/rt2x00/rt2x00soc.c
create mode 100644 drivers/net/wireless/rt2x00/rt2x00soc.h
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -12,6 +12,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_HT) += rt2
obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o
obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o
+obj-$(CONFIG_RT2X00_LIB_SOC) += rt2x00soc.o
obj-$(CONFIG_RT2X00_LIB_USB) += rt2x00usb.o
obj-$(CONFIG_RT2400PCI) += rt2400pci.o
obj-$(CONFIG_RT2500PCI) += rt2500pci.o
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
@@ -0,0 +1,159 @@
+/*
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00soc
+ Abstract: rt2x00 generic soc device routines.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "rt2x00.h"
+#include "rt2x00soc.h"
+
+static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev)
+{
+ kfree(rt2x00dev->rf);
+ rt2x00dev->rf = NULL;
+
+ kfree(rt2x00dev->eeprom);
+ rt2x00dev->eeprom = NULL;
+}
+
+static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev)
+{
+ struct platform_device *pdev = to_platform_device(rt2x00dev->dev);
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ rt2x00dev->csr.base = (void __iomem *)KSEG1ADDR(res->start);
+ if (!rt2x00dev->csr.base)
+ goto exit;
+
+ rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
+ if (!rt2x00dev->eeprom)
+ goto exit;
+
+ rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
+ if (!rt2x00dev->rf)
+ goto exit;
+
+ return 0;
+
+exit:
+ ERROR_PROBE("Failed to allocate registers.\n");
+ rt2x00soc_free_reg(rt2x00dev);
+
+ return -ENOMEM;
+}
+
+int rt2x00soc_probe(struct platform_device *pdev,
+ const unsigned short chipset,
+ const struct rt2x00_ops *ops)
+{
+ struct ieee80211_hw *hw;
+ struct rt2x00_dev *rt2x00dev;
+ int retval;
+
+ hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
+ if (!hw) {
+ ERROR_PROBE("Failed to allocate hardware.\n");
+ return -ENOMEM;
+ }
+
+ platform_set_drvdata(pdev, hw);
+
+ rt2x00dev = hw->priv;
+ rt2x00dev->dev = &pdev->dev;
+ rt2x00dev->ops = ops;
+ rt2x00dev->hw = hw;
+ rt2x00dev->irq = platform_get_irq(pdev, 0);
+ rt2x00dev->name = pdev->dev.driver->name;
+
+ rt2x00_set_chip_rt(rt2x00dev, chipset);
+
+ retval = rt2x00soc_alloc_reg(rt2x00dev);
+ if (retval)
+ goto exit_free_device;
+
+ retval = rt2x00lib_probe_dev(rt2x00dev);
+ if (retval)
+ goto exit_free_reg;
+
+ return 0;
+
+exit_free_reg:
+ rt2x00soc_free_reg(rt2x00dev);
+
+exit_free_device:
+ ieee80211_free_hw(hw);
+
+ return retval;
+}
+
+int rt2x00soc_remove(struct platform_device *pdev)
+{
+ struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * Free all allocated data.
+ */
+ rt2x00lib_remove_dev(rt2x00dev);
+ rt2x00soc_free_reg(rt2x00dev);
+ ieee80211_free_hw(hw);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_remove);
+
+#ifdef CONFIG_PM
+int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ return rt2x00lib_suspend(rt2x00dev, state);
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_suspend);
+
+int rt2x00soc_resume(struct platform_device *pdev)
+{
+ struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ return rt2x00lib_resume(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_resume);
+#endif /* CONFIG_PM */
+
+/*
+ * rt2x00soc module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 soc library");
+MODULE_LICENSE("GPL");
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.h
@@ -0,0 +1,52 @@
+/*
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00soc
+ Abstract: Data structures for the rt2x00soc module.
+ */
+
+#ifndef RT2X00SOC_H
+#define RT2X00SOC_H
+
+#define KSEG1ADDR(__ptr) __ptr
+
+#define __rt2x00soc_probe(__chipset, __ops) \
+static int __rt2x00soc_probe(struct platform_device *pdev) \
+{ \
+ return rt2x00soc_probe(pdev, (__chipset), (__ops)); \
+}
+
+/*
+ * SoC driver handlers.
+ */
+int rt2x00soc_probe(struct platform_device *pdev,
+ const unsigned short chipset,
+ const struct rt2x00_ops *ops);
+int rt2x00soc_remove(struct platform_device *pdev);
+#ifdef CONFIG_PM
+int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state);
+int rt2x00soc_resume(struct platform_device *pdev);
+#else
+#define rt2x00soc_suspend NULL
+#define rt2x00soc_resume NULL
+#endif /* CONFIG_PM */
+
+#endif /* RT2X00SOC_H */
|
