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18#include <linux/module.h>
19#include <linux/init.h>
20#include <linux/string.h>
21#include <linux/slab.h>
22
23#include <media/dvb_frontend.h>
24#include "dvb_dummy_fe.h"
25
26
27struct dvb_dummy_fe_state {
28 struct dvb_frontend frontend;
29};
30
31
32static int dvb_dummy_fe_read_status(struct dvb_frontend *fe,
33 enum fe_status *status)
34{
35 *status = FE_HAS_SIGNAL
36 | FE_HAS_CARRIER
37 | FE_HAS_VITERBI
38 | FE_HAS_SYNC
39 | FE_HAS_LOCK;
40
41 return 0;
42}
43
44static int dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber)
45{
46 *ber = 0;
47 return 0;
48}
49
50static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
51{
52 *strength = 0;
53 return 0;
54}
55
56static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr)
57{
58 *snr = 0;
59 return 0;
60}
61
62static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
63{
64 *ucblocks = 0;
65 return 0;
66}
67
68
69
70
71
72
73static int dvb_dummy_fe_get_frontend(struct dvb_frontend *fe,
74 struct dtv_frontend_properties *p)
75{
76 return 0;
77}
78
79static int dvb_dummy_fe_set_frontend(struct dvb_frontend *fe)
80{
81 if (fe->ops.tuner_ops.set_params) {
82 fe->ops.tuner_ops.set_params(fe);
83 if (fe->ops.i2c_gate_ctrl)
84 fe->ops.i2c_gate_ctrl(fe, 0);
85 }
86
87 return 0;
88}
89
90static int dvb_dummy_fe_sleep(struct dvb_frontend* fe)
91{
92 return 0;
93}
94
95static int dvb_dummy_fe_init(struct dvb_frontend* fe)
96{
97 return 0;
98}
99
100static int dvb_dummy_fe_set_tone(struct dvb_frontend *fe,
101 enum fe_sec_tone_mode tone)
102{
103 return 0;
104}
105
106static int dvb_dummy_fe_set_voltage(struct dvb_frontend *fe,
107 enum fe_sec_voltage voltage)
108{
109 return 0;
110}
111
112static void dvb_dummy_fe_release(struct dvb_frontend* fe)
113{
114 struct dvb_dummy_fe_state* state = fe->demodulator_priv;
115 kfree(state);
116}
117
118static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops;
119
120struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
121{
122 struct dvb_dummy_fe_state* state = NULL;
123
124
125 state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
126 if (!state)
127 return NULL;
128
129
130 memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops));
131 state->frontend.demodulator_priv = state;
132 return &state->frontend;
133}
134
135static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
136
137struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
138{
139 struct dvb_dummy_fe_state* state = NULL;
140
141
142 state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
143 if (!state)
144 return NULL;
145
146
147 memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops));
148 state->frontend.demodulator_priv = state;
149 return &state->frontend;
150}
151
152static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
153
154struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
155{
156 struct dvb_dummy_fe_state* state = NULL;
157
158
159 state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
160 if (!state)
161 return NULL;
162
163
164 memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops));
165 state->frontend.demodulator_priv = state;
166 return &state->frontend;
167}
168
169static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
170 .delsys = { SYS_DVBT },
171 .info = {
172 .name = "Dummy DVB-T",
173 .frequency_min = 0,
174 .frequency_max = 863250000,
175 .frequency_stepsize = 62500,
176 .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
177 FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
178 FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
179 FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
180 FE_CAN_TRANSMISSION_MODE_AUTO |
181 FE_CAN_GUARD_INTERVAL_AUTO |
182 FE_CAN_HIERARCHY_AUTO,
183 },
184
185 .release = dvb_dummy_fe_release,
186
187 .init = dvb_dummy_fe_init,
188 .sleep = dvb_dummy_fe_sleep,
189
190 .set_frontend = dvb_dummy_fe_set_frontend,
191 .get_frontend = dvb_dummy_fe_get_frontend,
192
193 .read_status = dvb_dummy_fe_read_status,
194 .read_ber = dvb_dummy_fe_read_ber,
195 .read_signal_strength = dvb_dummy_fe_read_signal_strength,
196 .read_snr = dvb_dummy_fe_read_snr,
197 .read_ucblocks = dvb_dummy_fe_read_ucblocks,
198};
199
200static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
201 .delsys = { SYS_DVBC_ANNEX_A },
202 .info = {
203 .name = "Dummy DVB-C",
204 .frequency_stepsize = 62500,
205 .frequency_min = 51000000,
206 .frequency_max = 858000000,
207 .symbol_rate_min = (57840000/2)/64,
208 .symbol_rate_max = (57840000/2)/4,
209 .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
210 FE_CAN_QAM_128 | FE_CAN_QAM_256 |
211 FE_CAN_FEC_AUTO | FE_CAN_INVERSION_AUTO
212 },
213
214 .release = dvb_dummy_fe_release,
215
216 .init = dvb_dummy_fe_init,
217 .sleep = dvb_dummy_fe_sleep,
218
219 .set_frontend = dvb_dummy_fe_set_frontend,
220 .get_frontend = dvb_dummy_fe_get_frontend,
221
222 .read_status = dvb_dummy_fe_read_status,
223 .read_ber = dvb_dummy_fe_read_ber,
224 .read_signal_strength = dvb_dummy_fe_read_signal_strength,
225 .read_snr = dvb_dummy_fe_read_snr,
226 .read_ucblocks = dvb_dummy_fe_read_ucblocks,
227};
228
229static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = {
230 .delsys = { SYS_DVBS },
231 .info = {
232 .name = "Dummy DVB-S",
233 .frequency_min = 950000,
234 .frequency_max = 2150000,
235 .frequency_stepsize = 250,
236 .frequency_tolerance = 29500,
237 .symbol_rate_min = 1000000,
238 .symbol_rate_max = 45000000,
239 .caps = FE_CAN_INVERSION_AUTO |
240 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
241 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
242 FE_CAN_QPSK
243 },
244
245 .release = dvb_dummy_fe_release,
246
247 .init = dvb_dummy_fe_init,
248 .sleep = dvb_dummy_fe_sleep,
249
250 .set_frontend = dvb_dummy_fe_set_frontend,
251 .get_frontend = dvb_dummy_fe_get_frontend,
252
253 .read_status = dvb_dummy_fe_read_status,
254 .read_ber = dvb_dummy_fe_read_ber,
255 .read_signal_strength = dvb_dummy_fe_read_signal_strength,
256 .read_snr = dvb_dummy_fe_read_snr,
257 .read_ucblocks = dvb_dummy_fe_read_ucblocks,
258
259 .set_voltage = dvb_dummy_fe_set_voltage,
260 .set_tone = dvb_dummy_fe_set_tone,
261};
262
263MODULE_DESCRIPTION("DVB DUMMY Frontend");
264MODULE_AUTHOR("Emard");
265MODULE_LICENSE("GPL");
266
267EXPORT_SYMBOL(dvb_dummy_fe_ofdm_attach);
268EXPORT_SYMBOL(dvb_dummy_fe_qam_attach);
269EXPORT_SYMBOL(dvb_dummy_fe_qpsk_attach);
270
