aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/meilhaus/mesubdevice.c
blob: 98d4f1f7a8240d48dda0fa9eead41c9707c74e06 (plain)
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
305
306
307
308
309
310
311
312
313
314
315
316
317
/**
 * @file mesubdevice.c
 *
 * @brief Subdevice base class implemention.
 * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
 * @author Guenter Gebhardt
 */

/*
 * This file 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __KERNEL__
#  define __KERNEL__
#endif

#include <linux/slab.h>

#include "medefines.h"
#include "meerror.h"

#include "medebug.h"
#include "mesubdevice.h"

static int me_subdevice_io_irq_start(struct me_subdevice *subdevice,
				     struct file *filep,
				     int channel,
				     int irq_source,
				     int irq_edge, int irq_arg, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_irq_wait(struct me_subdevice *subdevice,
				    struct file *filep,
				    int channel,
				    int *irq_count,
				    int *value, int time_out, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_irq_stop(struct me_subdevice *subdevice,
				    struct file *filep, int channel, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_reset_subdevice(struct me_subdevice *subdevice,
					   struct file *filep, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_single_config(struct me_subdevice *subdevice,
					 struct file *filep,
					 int channel,
					 int single_config,
					 int ref,
					 int trig_chan,
					 int trig_type,
					 int trig_edge, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_single_read(struct me_subdevice *subdevice,
				       struct file *filep,
				       int channel,
				       int *value, int time_out, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_single_write(struct me_subdevice *subdevice,
					struct file *filep,
					int channel,
					int value, int time_out, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_config(struct me_subdevice *subdevice,
					 struct file *filep,
					 meIOStreamConfig_t * config_list,
					 int count,
					 meIOStreamTrigger_t * trigger,
					 int fifo_irq_threshold, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_new_values(struct me_subdevice *subdevice,
					     struct file *filep,
					     int time_out,
					     int *count, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_read(struct me_subdevice *subdevice,
				       struct file *filep,
				       int read_mode,
				       int *values, int *count, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_start(struct me_subdevice *subdevice,
					struct file *filep,
					int start_mode, int time_out, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_status(struct me_subdevice *subdevice,
					 struct file *filep,
					 int wait,
					 int *status, int *count, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_stop(struct me_subdevice *subdevice,
				       struct file *filep,
				       int stop_mode, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_io_stream_write(struct me_subdevice *subdevice,
					struct file *filep,
					int write_mode,
					int *values, int *count, int flags)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_lock_subdevice(me_subdevice_t * subdevice,
				       struct file *filep, int lock, int flags)
{
	PDEBUG("executed.\n");
	return me_slock_lock(&subdevice->lock, filep, lock);
}

static int me_subdevice_query_number_channels(struct me_subdevice *subdevice,
					      int *number)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_query_number_ranges(struct me_subdevice *subdevice,
					    int unit, int *count)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_query_range_by_min_max(struct me_subdevice *subdevice,
					       int unit,
					       int *min,
					       int *max,
					       int *maxdata, int *range)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_query_range_info(struct me_subdevice *subdevice,
					 int range,
					 int *unit,
					 int *min, int *max, int *maxdata)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_query_subdevice_type(struct me_subdevice *subdevice,
					     int *type, int *subtype)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_query_subdevice_caps(struct me_subdevice *subdevice,
					     int *caps)
{
	PDEBUG("executed.\n");
	*caps = 0;
	return ME_ERRNO_SUCCESS;
}

static int me_subdevice_query_subdevice_caps_args(struct me_subdevice
						  *subdevice, int cap,
						  int *args, int count)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_query_timer(struct me_subdevice *subdevice,
				    int timer,
				    int *base_frequency,
				    long long *min_ticks, long long *max_ticks)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_NOT_SUPPORTED;
}

static int me_subdevice_config_load(struct me_subdevice *subdevice,
				    me_cfg_device_entry_t * config)
{
	PDEBUG("executed.\n");
	return ME_ERRNO_SUCCESS;
}

static void me_subdevice_destructor(struct me_subdevice *subdevice)
{
	PDEBUG("executed.\n");
	me_subdevice_deinit(subdevice);
	kfree(subdevice);
}

int me_subdevice_init(me_subdevice_t * subdevice)
{
	int err;

	PDEBUG("executed.\n");

	/* Init list head */
	INIT_LIST_HEAD(&subdevice->list);

	/* Initialize the subdevice lock instance */

	err = me_slock_init(&subdevice->lock);

	if (err) {
		PERROR("Cannot initialize subdevice lock instance.\n");
		return 1;
	}

	/* Subdevice base class methods */
	subdevice->me_subdevice_io_irq_start = me_subdevice_io_irq_start;
	subdevice->me_subdevice_io_irq_wait = me_subdevice_io_irq_wait;
	subdevice->me_subdevice_io_irq_stop = me_subdevice_io_irq_stop;
	subdevice->me_subdevice_io_reset_subdevice =
	    me_subdevice_io_reset_subdevice;
	subdevice->me_subdevice_io_single_config =
	    me_subdevice_io_single_config;
	subdevice->me_subdevice_io_single_read = me_subdevice_io_single_read;
	subdevice->me_subdevice_io_single_write = me_subdevice_io_single_write;
	subdevice->me_subdevice_io_stream_config =
	    me_subdevice_io_stream_config;
	subdevice->me_subdevice_io_stream_new_values =
	    me_subdevice_io_stream_new_values;
	subdevice->me_subdevice_io_stream_read = me_subdevice_io_stream_read;
	subdevice->me_subdevice_io_stream_start = me_subdevice_io_stream_start;
	subdevice->me_subdevice_io_stream_status =
	    me_subdevice_io_stream_status;
	subdevice->me_subdevice_io_stream_stop = me_subdevice_io_stream_stop;
	subdevice->me_subdevice_io_stream_write = me_subdevice_io_stream_write;
	subdevice->me_subdevice_lock_subdevice = me_subdevice_lock_subdevice;
	subdevice->me_subdevice_query_number_channels =
	    me_subdevice_query_number_channels;
	subdevice->me_subdevice_query_number_ranges =
	    me_subdevice_query_number_ranges;
	subdevice->me_subdevice_query_range_by_min_max =
	    me_subdevice_query_range_by_min_max;
	subdevice->me_subdevice_query_range_info =
	    me_subdevice_query_range_info;
	subdevice->me_subdevice_query_subdevice_type =
	    me_subdevice_query_subdevice_type;
	subdevice->me_subdevice_query_subdevice_caps =
	    me_subdevice_query_subdevice_caps;
	subdevice->me_subdevice_query_subdevice_caps_args =
	    me_subdevice_query_subdevice_caps_args;
	subdevice->me_subdevice_query_timer = me_subdevice_query_timer;
	subdevice->me_subdevice_config_load = me_subdevice_config_load;
	subdevice->me_subdevice_destructor = me_subdevice_destructor;

	return 0;
}

void me_subdevice_deinit(me_subdevice_t * subdevice)
{
	PDEBUG("executed.\n");
	me_subdevice_io_reset_subdevice(subdevice, NULL,
					ME_IO_RESET_SUBDEVICE_NO_FLAGS);
	me_slock_deinit(&subdevice->lock);
}