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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
|
/*
* Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
*
* Source File : medevice.h
* Author : GG (Guenter Gebhardt) <support@meilhaus.de>
*/
#ifndef _MEDEVICE_H_
#define _MEDEVICE_H_
#ifndef KBUILD_MODNAME
# define KBUILD_MODNAME KBUILD_STR(memain)
#endif
#include <linux/pci.h>
//#include <linux/usb.h>
#include <linux/fs.h>
#include <linux/spinlock.h>
#include "metypes.h"
#include "meslist.h"
#include "medlock.h"
#ifdef __KERNEL__
/**
* @brief Defines a pointer type to a PCI constructor function.
*/
typedef struct me_device *(*me_pci_constructor_t) (struct pci_dev *);
/**
* @brief Defines a pointer type to a ME-4000 PCI constructor function.
*/
#ifdef BOSCH
typedef struct me_device *(*me_bosch_constructor_t) (struct pci_dev *,
int me_bosch_fw);
#endif
/**
* @brief Defines a pointer type to a USB constructor function.
*/
//typedef struct me_device *(*me_usb_constructor_t)(struct usb_interface *);
/**
* @brief Defines a pointer type to the dummy constructor function.
*/
typedef struct me_device *(*me_dummy_constructor_t) (unsigned short vendor_id,
unsigned short device_id,
unsigned int serial_no,
int bus_type,
int bus_no,
int dev_no, int func_no);
//extern me_usb_constructor_t mephisto_s1_constructor __attribute__ ((weak));
/**
* @brief Holds the PCI device information.
*/
typedef struct me_pci_info {
struct pci_dev *pci_device; /**< Kernel PCI device structure. */
uint32_t reg_bases[6]; /**< The base adresses of the PCI bars. */
uint32_t reg_sizes[6]; /**< The sizes of the PCI bars. */
uint32_t pci_bus_no; /**< PCI bus number. */
uint32_t pci_dev_no; /**< PCI device number. */
uint32_t pci_func_no; /**< PCI function number. */
uint16_t vendor_id; /**< Meilhaus PCI vendor id. */
uint16_t device_id; /**< Meilhaus device id. */
uint8_t hw_revision; /**< Hardware revision of the device. */
uint32_t serial_no; /**< Serial number of the device. */
} me_pci_info_t;
/**
* @brief Holds the USB device information.
*/
//typedef struct me_usb_info {
//} me_usb_info_t;
/**
* @brief The Meilhaus device base class structure.
*/
typedef struct me_device {
/* Attributes */
struct list_head list; /**< Enables the device to be added to a dynamic list. */
// int magic; /**< The magic number of the structure. */
int bus_type; /**< The descriminator for the union. */
union {
me_pci_info_t pci; /**< PCI specific device information. */
// me_usb_info_t usb; /**< USB specific device information. */
} info; /**< Holds the device information. */
int irq; /**< The irq assigned to this device. */
me_dlock_t dlock; /**< The device locking structure. */
me_slist_t slist; /**< The container holding all subdevices belonging to this device. */
char *device_name; /**< The name of the Meilhaus device. */
char *device_description; /**< The description of the Meilhaus device. */
char *driver_name; /**< The name of the device driver module supporting the device family. */
/* Methods */
int (*me_device_io_irq_start) (struct me_device * device,
struct file * filep,
int subdevice,
int channel,
int irq_source,
int irq_edge, int irq_arg, int flags);
int (*me_device_io_irq_wait) (struct me_device * device,
struct file * filep,
int subdevice,
int channel,
int *irq_count,
int *value, int time_out, int flags);
int (*me_device_io_irq_stop) (struct me_device * device,
struct file * filep,
int subdevice, int channel, int flags);
int (*me_device_io_reset_device) (struct me_device * device,
struct file * filep, int flags);
int (*me_device_io_reset_subdevice) (struct me_device * device,
struct file * filep,
int subdevice, int flags);
int (*me_device_io_single_config) (struct me_device * device,
struct file * filep,
int subdevice,
int channel,
int single_config,
int ref,
int trig_chan,
int trig_type,
int trig_edge, int flags);
int (*me_device_io_single_read) (struct me_device * device,
struct file * filep,
int subdevice,
int channel,
int *value, int time_out, int flags);
int (*me_device_io_single_write) (struct me_device * device,
struct file * filep,
int subdevice,
int channel,
int value, int time_out, int flags);
int (*me_device_io_stream_config) (struct me_device * device,
struct file * filep,
int subdevice,
meIOStreamConfig_t * config_list,
int count,
meIOStreamTrigger_t * trigger,
int fifo_irq_threshold, int flags);
int (*me_device_io_stream_new_values) (struct me_device * device,
struct file * filep,
int subdevice,
int time_out,
int *count, int flags);
int (*me_device_io_stream_read) (struct me_device * device,
struct file * filep,
int subdevice,
int read_mode,
int *values, int *count, int flags);
int (*me_device_io_stream_start) (struct me_device * device,
struct file * filep,
int subdevice,
int start_mode,
int time_out, int flags);
int (*me_device_io_stream_status) (struct me_device * device,
struct file * filep,
int subdevice,
int wait,
int *status, int *count, int flags);
int (*me_device_io_stream_stop) (struct me_device * device,
struct file * filep,
int subdevice,
int stop_mode, int flags);
int (*me_device_io_stream_write) (struct me_device * device,
struct file * filep,
int subdevice,
int write_mode,
int *values, int *count, int flags);
int (*me_device_lock_device) (struct me_device * device,
struct file * filep, int lock, int flags);
int (*me_device_lock_subdevice) (struct me_device * device,
struct file * filep,
int subdevice, int lock, int flags);
int (*me_device_query_description_device) (struct me_device * device,
char **description);
int (*me_device_query_info_device) (struct me_device * device,
int *vendor_id,
int *device_id,
int *serial_no,
int *bus_type,
int *bus_no,
int *dev_no,
int *func_no, int *plugged);
int (*me_device_query_name_device) (struct me_device * device,
char **name);
int (*me_device_query_name_device_driver) (struct me_device * device,
char **name);
int (*me_device_query_number_subdevices) (struct me_device * device,
int *number);
int (*me_device_query_number_channels) (struct me_device * device,
int subdevice, int *number);
int (*me_device_query_number_ranges) (struct me_device * device,
int subdevice,
int unit, int *count);
int (*me_device_query_range_by_min_max) (struct me_device * device,
int subdevice,
int unit,
int *min,
int *max,
int *maxdata, int *range);
int (*me_device_query_range_info) (struct me_device * device,
int subdevice,
int range,
int *unit,
int *min, int *max, int *maxdata);
int (*me_device_query_subdevice_by_type) (struct me_device * device,
int start_subdevice,
int type,
int subtype, int *subdevice);
int (*me_device_query_subdevice_type) (struct me_device * device,
int subdevice,
int *type, int *subtype);
int (*me_device_query_subdevice_caps) (struct me_device * device,
int subdevice, int *caps);
int (*me_device_query_subdevice_caps_args) (struct me_device * device,
int subdevice,
int cap,
int *args, int count);
int (*me_device_query_timer) (struct me_device * device,
int subdevice,
int timer,
int *base_frequency,
uint64_t * min_ticks,
uint64_t * max_ticks);
int (*me_device_query_version_device_driver) (struct me_device * device,
int *version);
int (*me_device_config_load) (struct me_device * device,
struct file * filep,
me_cfg_device_entry_t * config);
void (*me_device_destructor) (struct me_device * device);
} me_device_t;
/**
* @brief Initializes a PCI device base class structure.
*
* @param pci_device The PCI device context as handed over by kernel.
*
* @return 0 on success.
*/
int me_device_pci_init(me_device_t * me_device, struct pci_dev *pci_device);
/**
* @brief Initializes a USB device base class structure.
*
* @param usb_interface The USB device interface as handed over by kernel.
*
* @return 0 on success.
*/
//int me_device_usb_init(me_device_t *me_device, struct usb_interface *interface);
/**
* @brief Deinitializes a device base class structure and frees any previously
* requested resources related with this structure. It also frees any subdevice
* instance hold by the subdevice list.
*
* @param me_device The device class to deinitialize.
*/
void me_device_deinit(me_device_t * me_device);
#endif
#endif
|