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
|
diff -uNr linux-2.6.21.vanilla/arch/arm/mach-sa1100/Makefile linux-2.6.21/arch/arm/mach-sa1100/Makefile
--- linux-2.6.21.vanilla/arch/arm/mach-sa1100/Makefile 2007-05-29 21:34:59.000000000 +0200
+++ linux-2.6.21/arch/arm/mach-sa1100/Makefile 2007-05-30 17:44:04.000000000 +0200
@@ -40,6 +40,7 @@
obj-$(CONFIG_SA1100_SHANNON) += shannon.o
obj-$(CONFIG_SA1100_SIMPAD) += simpad.o
+obj-$(CONFIG_SA1100_SIMPAD) += cs3-simpad.o
led-$(CONFIG_SA1100_SIMPAD) += leds-simpad.o
# LEDs support
diff -uNr linux-2.6.21.vanilla/arch/arm/mach-sa1100/cs3-simpad.c linux-2.6.21/arch/arm/mach-sa1100/cs3-simpad.c
--- linux-2.6.21.vanilla/arch/arm/mach-sa1100/cs3-simpad.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.21/arch/arm/mach-sa1100/cs3-simpad.c 2007-05-30 17:45:51.000000000 +0200
@@ -0,0 +1,169 @@
+/*
+ * simpad-cs3.c
+ *
+ * This driver shows the GPIO states of the cs3 latch. You can also
+ * switch some GPIOS.
+ *
+ * (c) 2007 Bernhard Guillon <Bernhard.Guillon@OpenSIMpad.org>
+ *
+ * You may use this code as per GPL version 2
+ *
+ * Some parts are based on battery.c
+ *
+ * mrdata: -added cs3_ro support
+ * -added preprocessor stuff
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/arch/simpad.h>
+
+extern long get_cs3_ro(void);
+extern long get_cs3_shadow(void);
+extern void set_cs3_bit(int value);
+extern void clear_cs3_bit(int value);
+
+struct cs3 {
+ struct class_device class_dev;
+ const char *name;
+ char *id;
+ int type;
+};
+
+struct cs3 cs3 ={
+ .name = "latch_cs3",
+};
+
+
+#define CS3_STORE_ATTR(namek,nameg) \
+static ssize_t namek##_store (struct class_device *cdev, const char * buf, size_t count) \
+{ \
+ char val; \
+ if (sscanf(buf, "%c",&val) != 1) \
+ return -EINVAL; \
+ if (val == '1') \
+ set_cs3_bit(nameg); \
+ else if (val == '0') \
+ clear_cs3_bit(nameg); \
+ return strlen(buf); \
+}
+
+CS3_STORE_ATTR(display_on, DISPLAY_ON);
+CS3_STORE_ATTR(dect_power_on, DECT_POWER_ON);
+CS3_STORE_ATTR(irda_sd, IRDA_SD);
+CS3_STORE_ATTR(sd_mediaq, SD_MEDIAQ);
+CS3_STORE_ATTR(led2_on, LED2_ON);
+CS3_STORE_ATTR(irda_mode, IRDA_MODE);
+CS3_STORE_ATTR(reset_simcard, RESET_SIMCARD);
+
+
+#define CS3_ATTR(shadro,namek,nameg,mode,store) \
+static ssize_t namek##_show(struct class_device *class_dev, char *buf) \
+{ \
+ if (get_cs3_##shadro() & nameg ) \
+ return sprintf(buf, "1\n"); \
+ else \
+ return sprintf(buf, "0\n"); \
+} \
+static CLASS_DEVICE_ATTR(namek, mode, namek##_show, store)
+
+CS3_ATTR(shadow, vcc_5v_en, VCC_5V_EN, 0444, NULL);
+CS3_ATTR(shadow, vcc_3v_en, VCC_3V_EN, 0444, NULL);
+CS3_ATTR(shadow, en1, EN1, 0444, NULL);
+CS3_ATTR(shadow, en0, EN0, 0444, NULL);
+CS3_ATTR(shadow, display_on, DISPLAY_ON, 0664, display_on_store);
+CS3_ATTR(shadow, pcmcia_buff_dis, PCMCIA_BUFF_DIS, 0444, NULL);
+CS3_ATTR(shadow, mq_reset, MQ_RESET, 0444, NULL);
+CS3_ATTR(shadow, pcmcia_reset, PCMCIA_RESET, 0444, NULL);
+CS3_ATTR(shadow, dect_power_on, DECT_POWER_ON, 0664, dect_power_on_store);
+CS3_ATTR(shadow, irda_sd, IRDA_SD, 0664, irda_sd_store);
+CS3_ATTR(shadow, rs232_on, RS232_ON, 0444, NULL);
+CS3_ATTR(shadow, sd_mediaq, SD_MEDIAQ, 0664, sd_mediaq_store);
+CS3_ATTR(shadow, led2_on, LED2_ON, 0664, led2_on_store);
+CS3_ATTR(shadow, irda_mode, IRDA_MODE, 0664, irda_mode_store);
+CS3_ATTR(shadow, enable_5v, ENABLE_5V, 0444, NULL);
+CS3_ATTR(shadow, reset_simcard, RESET_SIMCARD, 0664, reset_simcard_store);
+CS3_ATTR(ro, pcmcia_bvd1, PCMCIA_BVD1, 0444, NULL);
+CS3_ATTR(ro, pcmcia_bvd2, PCMCIA_BVD2, 0444, NULL);
+CS3_ATTR(ro, pcmcia_vs1, PCMCIA_VS1, 0444, NULL);
+CS3_ATTR(ro, pcmcia_vs2, PCMCIA_VS2, 0444, NULL);
+CS3_ATTR(ro, lock_ind, LOCK_IND, 0444, NULL);
+CS3_ATTR(ro, charging_state, CHARGING_STATE, 0444, NULL);
+CS3_ATTR(ro, pcmcia_short, PCMCIA_SHORT, 0444, NULL);
+
+static struct class simpad_gpios_class = {
+ .name = "simpad",
+};
+
+#define create_entry_conditional(namek) \
+ rc = class_device_create_file(&cs3->class_dev, &class_device_attr_##namek); \
+ if (rc) goto out; \
+
+static int register_cs3_latch(struct cs3 *cs3)
+{
+ int rc = 0;
+ cs3->class_dev.class = &simpad_gpios_class;
+ strcpy(cs3->class_dev.class_id, cs3->name);
+ rc = class_device_register(&cs3->class_dev);
+ if(rc)
+ goto out;
+
+ create_entry_conditional(vcc_5v_en);
+ create_entry_conditional(vcc_3v_en);
+ create_entry_conditional(en1);
+ create_entry_conditional(en0);
+ create_entry_conditional(display_on);
+ create_entry_conditional(pcmcia_buff_dis);
+ create_entry_conditional(mq_reset);
+ create_entry_conditional(pcmcia_reset);
+ create_entry_conditional(dect_power_on);
+ create_entry_conditional(irda_sd);
+ create_entry_conditional(rs232_on);
+ create_entry_conditional(sd_mediaq);
+ create_entry_conditional(led2_on);
+ create_entry_conditional(irda_mode);
+ create_entry_conditional(enable_5v);
+ create_entry_conditional(reset_simcard);
+ create_entry_conditional(pcmcia_bvd1);
+ create_entry_conditional(pcmcia_bvd2);
+ create_entry_conditional(pcmcia_vs1);
+ create_entry_conditional(pcmcia_vs2);
+ create_entry_conditional(lock_ind);
+ create_entry_conditional(charging_state);
+ create_entry_conditional(pcmcia_short);
+
+out:
+ return rc;
+}
+
+static int __init simpad_gpios_class_init(void)
+{
+ int rc = 0;
+
+ rc = class_register(&simpad_gpios_class);
+
+ if(rc != 0)
+ {
+ printk(KERN_ERR "cs3 latch class failed to register properly\n");
+ return rc;
+ }
+
+ rc = register_cs3_latch(&cs3);
+ return rc;
+}
+
+static void __exit simpad_gpios_class_exit(void)
+{
+ class_unregister(&simpad_gpios_class);
+}
+
+module_init(simpad_gpios_class_init);
+module_exit(simpad_gpios_class_exit);
+
+MODULE_AUTHOR("Bernhard Guillon");
+MODULE_DESCRIPTION("CS3_latch driver");
+MODULE_LICENSE("GPL");
|
