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
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
|
/*
* Abilis Systems Single DVB-T Receiver
* Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
* Copyright (C) 2010 Devin Heitmueller <dheitmueller@kernellabs.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, 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.
*/
#include <linux/kernel.h>
#include "as102_drv.h"
#include "as10x_types.h"
#include "as10x_cmd.h"
/**
* as10x_cmd_turn_on - send turn on command to AS10x
* @adap: pointer to AS10x bus adapter
*
* Return 0 when no error, < 0 in case of error.
*/
int as10x_cmd_turn_on(struct as10x_bus_adapter_t *adap)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *pcmd, *prsp;
pcmd = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(pcmd, (++adap->cmd_xid),
sizeof(pcmd->body.turn_on.req));
/* fill command */
pcmd->body.turn_on.req.proc_id = cpu_to_le16(CONTROL_PROC_TURNON);
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(adap, (uint8_t *) pcmd,
sizeof(pcmd->body.turn_on.req) +
HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.turn_on.rsp) +
HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_TURNON_RSP);
out:
return error;
}
/**
* as10x_cmd_turn_off - send turn off command to AS10x
* @adap: pointer to AS10x bus adapter
*
* Return 0 on success or negative value in case of error.
*/
int as10x_cmd_turn_off(struct as10x_bus_adapter_t *adap)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *pcmd, *prsp;
pcmd = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(pcmd, (++adap->cmd_xid),
sizeof(pcmd->body.turn_off.req));
/* fill command */
pcmd->body.turn_off.req.proc_id = cpu_to_le16(CONTROL_PROC_TURNOFF);
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(
adap, (uint8_t *) pcmd,
sizeof(pcmd->body.turn_off.req) + HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.turn_off.rsp) + HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_TURNOFF_RSP);
out:
return error;
}
/**
* as10x_cmd_set_tune - send set tune command to AS10x
* @adap: pointer to AS10x bus adapter
* @ptune: tune parameters
*
* Return 0 on success or negative value in case of error.
*/
int as10x_cmd_set_tune(struct as10x_bus_adapter_t *adap,
struct as10x_tune_args *ptune)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *preq, *prsp;
preq = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(preq, (++adap->cmd_xid),
sizeof(preq->body.set_tune.req));
/* fill command */
preq->body.set_tune.req.proc_id = cpu_to_le16(CONTROL_PROC_SETTUNE);
preq->body.set_tune.req.args.freq = cpu_to_le32(ptune->freq);
preq->body.set_tune.req.args.bandwidth = ptune->bandwidth;
preq->body.set_tune.req.args.hier_select = ptune->hier_select;
preq->body.set_tune.req.args.modulation = ptune->modulation;
preq->body.set_tune.req.args.hierarchy = ptune->hierarchy;
preq->body.set_tune.req.args.interleaving_mode =
ptune->interleaving_mode;
preq->body.set_tune.req.args.code_rate = ptune->code_rate;
preq->body.set_tune.req.args.guard_interval = ptune->guard_interval;
preq->body.set_tune.req.args.transmission_mode =
ptune->transmission_mode;
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(adap,
(uint8_t *) preq,
sizeof(preq->body.set_tune.req)
+ HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.set_tune.rsp)
+ HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_SETTUNE_RSP);
out:
return error;
}
/**
* as10x_cmd_get_tune_status - send get tune status command to AS10x
* @adap: pointer to AS10x bus adapter
* @pstatus: pointer to updated status structure of the current tune
*
* Return 0 on success or negative value in case of error.
*/
int as10x_cmd_get_tune_status(struct as10x_bus_adapter_t *adap,
struct as10x_tune_status *pstatus)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *preq, *prsp;
preq = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(preq, (++adap->cmd_xid),
sizeof(preq->body.get_tune_status.req));
/* fill command */
preq->body.get_tune_status.req.proc_id =
cpu_to_le16(CONTROL_PROC_GETTUNESTAT);
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(
adap,
(uint8_t *) preq,
sizeof(preq->body.get_tune_status.req) + HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.get_tune_status.rsp) + HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_GETTUNESTAT_RSP);
if (error < 0)
goto out;
/* Response OK -> get response data */
pstatus->tune_state = prsp->body.get_tune_status.rsp.sts.tune_state;
pstatus->signal_strength =
le16_to_cpu(prsp->body.get_tune_status.rsp.sts.signal_strength);
pstatus->PER = le16_to_cpu(prsp->body.get_tune_status.rsp.sts.PER);
pstatus->BER = le16_to_cpu(prsp->body.get_tune_status.rsp.sts.BER);
out:
return error;
}
/**
* as10x_cmd_get_tps - send get TPS command to AS10x
* @adap: pointer to AS10x handle
* @ptps: pointer to TPS parameters structure
*
* Return 0 on success or negative value in case of error.
*/
int as10x_cmd_get_tps(struct as10x_bus_adapter_t *adap, struct as10x_tps *ptps)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *pcmd, *prsp;
pcmd = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(pcmd, (++adap->cmd_xid),
sizeof(pcmd->body.get_tps.req));
/* fill command */
pcmd->body.get_tune_status.req.proc_id =
cpu_to_le16(CONTROL_PROC_GETTPS);
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(adap,
(uint8_t *) pcmd,
sizeof(pcmd->body.get_tps.req) +
HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.get_tps.rsp) +
HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_GETTPS_RSP);
if (error < 0)
goto out;
/* Response OK -> get response data */
ptps->modulation = prsp->body.get_tps.rsp.tps.modulation;
ptps->hierarchy = prsp->body.get_tps.rsp.tps.hierarchy;
ptps->interleaving_mode = prsp->body.get_tps.rsp.tps.interleaving_mode;
ptps->code_rate_HP = prsp->body.get_tps.rsp.tps.code_rate_HP;
ptps->code_rate_LP = prsp->body.get_tps.rsp.tps.code_rate_LP;
ptps->guard_interval = prsp->body.get_tps.rsp.tps.guard_interval;
ptps->transmission_mode = prsp->body.get_tps.rsp.tps.transmission_mode;
ptps->DVBH_mask_HP = prsp->body.get_tps.rsp.tps.DVBH_mask_HP;
ptps->DVBH_mask_LP = prsp->body.get_tps.rsp.tps.DVBH_mask_LP;
ptps->cell_ID = le16_to_cpu(prsp->body.get_tps.rsp.tps.cell_ID);
out:
return error;
}
/**
* as10x_cmd_get_demod_stats - send get demod stats command to AS10x
* @adap: pointer to AS10x bus adapter
* @pdemod_stats: pointer to demod stats parameters structure
*
* Return 0 on success or negative value in case of error.
*/
int as10x_cmd_get_demod_stats(struct as10x_bus_adapter_t *adap,
struct as10x_demod_stats *pdemod_stats)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *pcmd, *prsp;
pcmd = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(pcmd, (++adap->cmd_xid),
sizeof(pcmd->body.get_demod_stats.req));
/* fill command */
pcmd->body.get_demod_stats.req.proc_id =
cpu_to_le16(CONTROL_PROC_GET_DEMOD_STATS);
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(adap,
(uint8_t *) pcmd,
sizeof(pcmd->body.get_demod_stats.req)
+ HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.get_demod_stats.rsp)
+ HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_GET_DEMOD_STATS_RSP);
if (error < 0)
goto out;
/* Response OK -> get response data */
pdemod_stats->frame_count =
le32_to_cpu(prsp->body.get_demod_stats.rsp.stats.frame_count);
pdemod_stats->bad_frame_count =
le32_to_cpu(prsp->body.get_demod_stats.rsp.stats.bad_frame_count);
pdemod_stats->bytes_fixed_by_rs =
le32_to_cpu(prsp->body.get_demod_stats.rsp.stats.bytes_fixed_by_rs);
pdemod_stats->mer =
le16_to_cpu(prsp->body.get_demod_stats.rsp.stats.mer);
pdemod_stats->has_started =
prsp->body.get_demod_stats.rsp.stats.has_started;
out:
return error;
}
/**
* as10x_cmd_get_impulse_resp - send get impulse response command to AS10x
* @adap: pointer to AS10x bus adapter
* @is_ready: pointer to value indicating when impulse
* response data is ready
*
* Return 0 on success or negative value in case of error.
*/
int as10x_cmd_get_impulse_resp(struct as10x_bus_adapter_t *adap,
uint8_t *is_ready)
{
int error = AS10X_CMD_ERROR;
struct as10x_cmd_t *pcmd, *prsp;
pcmd = adap->cmd;
prsp = adap->rsp;
/* prepare command */
as10x_cmd_build(pcmd, (++adap->cmd_xid),
sizeof(pcmd->body.get_impulse_rsp.req));
/* fill command */
pcmd->body.get_impulse_rsp.req.proc_id =
cpu_to_le16(CONTROL_PROC_GET_IMPULSE_RESP);
/* send command */
if (adap->ops->xfer_cmd) {
error = adap->ops->xfer_cmd(adap,
(uint8_t *) pcmd,
sizeof(pcmd->body.get_impulse_rsp.req)
+ HEADER_SIZE,
(uint8_t *) prsp,
sizeof(prsp->body.get_impulse_rsp.rsp)
+ HEADER_SIZE);
}
if (error < 0)
goto out;
/* parse response */
error = as10x_rsp_parse(prsp, CONTROL_PROC_GET_IMPULSE_RESP_RSP);
if (error < 0)
goto out;
/* Response OK -> get response data */
*is_ready = prsp->body.get_impulse_rsp.rsp.is_ready;
out:
return error;
}
/**
* as10x_cmd_build - build AS10x command header
* @pcmd: pointer to AS10x command buffer
* @xid: sequence id of the command
* @cmd_len: length of the command
*/
void as10x_cmd_build(struct as10x_cmd_t *pcmd,
uint16_t xid, uint16_t cmd_len)
{
pcmd->header.req_id = cpu_to_le16(xid);
pcmd->header.prog = cpu_to_le16(SERVICE_PROG_ID);
pcmd->header.version = cpu_to_le16(SERVICE_PROG_VERSION);
pcmd->header.data_len = cpu_to_le16(cmd_len);
}
/**
* as10x_rsp_parse - Parse command response
* @prsp: pointer to AS10x command buffer
* @proc_id: id of the command
*
* Return 0 on success or negative value in case of error.
*/
int as10x_rsp_parse(struct as10x_cmd_t *prsp, uint16_t proc_id)
{
int error;
/* extract command error code */
error = prsp->body.common.rsp.error;
if ((error == 0) &&
(le16_to_cpu(prsp->body.common.rsp.proc_id) == proc_id)) {
return 0;
}
return AS10X_CMD_ERROR;
}
|
