diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 22:13:41 -0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 22:13:41 -0400 |
commit | 9a0bf528b4d66b605f02634236da085595c22101 (patch) | |
tree | e9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb-frontends/dvb_dummy_fe.c | |
parent | 3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff) |
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends/dvb_dummy_fe.c')
-rw-r--r-- | drivers/media/dvb-frontends/dvb_dummy_fe.c | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/dvb_dummy_fe.c b/drivers/media/dvb-frontends/dvb_dummy_fe.c new file mode 100644 index 000000000000..dcfc902c8678 --- /dev/null +++ b/drivers/media/dvb-frontends/dvb_dummy_fe.c | |||
@@ -0,0 +1,276 @@ | |||
1 | /* | ||
2 | * Driver for Dummy Frontend | ||
3 | * | ||
4 | * Written by Emard <emard@softhome.net> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.= | ||
20 | */ | ||
21 | |||
22 | #include <linux/module.h> | ||
23 | #include <linux/init.h> | ||
24 | #include <linux/string.h> | ||
25 | #include <linux/slab.h> | ||
26 | |||
27 | #include "dvb_frontend.h" | ||
28 | #include "dvb_dummy_fe.h" | ||
29 | |||
30 | |||
31 | struct dvb_dummy_fe_state { | ||
32 | struct dvb_frontend frontend; | ||
33 | }; | ||
34 | |||
35 | |||
36 | static int dvb_dummy_fe_read_status(struct dvb_frontend* fe, fe_status_t* status) | ||
37 | { | ||
38 | *status = FE_HAS_SIGNAL | ||
39 | | FE_HAS_CARRIER | ||
40 | | FE_HAS_VITERBI | ||
41 | | FE_HAS_SYNC | ||
42 | | FE_HAS_LOCK; | ||
43 | |||
44 | return 0; | ||
45 | } | ||
46 | |||
47 | static int dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber) | ||
48 | { | ||
49 | *ber = 0; | ||
50 | return 0; | ||
51 | } | ||
52 | |||
53 | static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength) | ||
54 | { | ||
55 | *strength = 0; | ||
56 | return 0; | ||
57 | } | ||
58 | |||
59 | static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr) | ||
60 | { | ||
61 | *snr = 0; | ||
62 | return 0; | ||
63 | } | ||
64 | |||
65 | static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) | ||
66 | { | ||
67 | *ucblocks = 0; | ||
68 | return 0; | ||
69 | } | ||
70 | |||
71 | /* | ||
72 | * Only needed if it actually reads something from the hardware | ||
73 | */ | ||
74 | static int dvb_dummy_fe_get_frontend(struct dvb_frontend *fe) | ||
75 | { | ||
76 | return 0; | ||
77 | } | ||
78 | |||
79 | static 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 | |||
90 | static int dvb_dummy_fe_sleep(struct dvb_frontend* fe) | ||
91 | { | ||
92 | return 0; | ||
93 | } | ||
94 | |||
95 | static int dvb_dummy_fe_init(struct dvb_frontend* fe) | ||
96 | { | ||
97 | return 0; | ||
98 | } | ||
99 | |||
100 | static int dvb_dummy_fe_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) | ||
101 | { | ||
102 | return 0; | ||
103 | } | ||
104 | |||
105 | static int dvb_dummy_fe_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) | ||
106 | { | ||
107 | return 0; | ||
108 | } | ||
109 | |||
110 | static void dvb_dummy_fe_release(struct dvb_frontend* fe) | ||
111 | { | ||
112 | struct dvb_dummy_fe_state* state = fe->demodulator_priv; | ||
113 | kfree(state); | ||
114 | } | ||
115 | |||
116 | static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops; | ||
117 | |||
118 | struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void) | ||
119 | { | ||
120 | struct dvb_dummy_fe_state* state = NULL; | ||
121 | |||
122 | /* allocate memory for the internal state */ | ||
123 | state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); | ||
124 | if (state == NULL) goto error; | ||
125 | |||
126 | /* create dvb_frontend */ | ||
127 | memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops)); | ||
128 | state->frontend.demodulator_priv = state; | ||
129 | return &state->frontend; | ||
130 | |||
131 | error: | ||
132 | kfree(state); | ||
133 | return NULL; | ||
134 | } | ||
135 | |||
136 | static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops; | ||
137 | |||
138 | struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void) | ||
139 | { | ||
140 | struct dvb_dummy_fe_state* state = NULL; | ||
141 | |||
142 | /* allocate memory for the internal state */ | ||
143 | state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); | ||
144 | if (state == NULL) goto error; | ||
145 | |||
146 | /* create dvb_frontend */ | ||
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 | error: | ||
152 | kfree(state); | ||
153 | return NULL; | ||
154 | } | ||
155 | |||
156 | static struct dvb_frontend_ops dvb_dummy_fe_qam_ops; | ||
157 | |||
158 | struct dvb_frontend *dvb_dummy_fe_qam_attach(void) | ||
159 | { | ||
160 | struct dvb_dummy_fe_state* state = NULL; | ||
161 | |||
162 | /* allocate memory for the internal state */ | ||
163 | state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); | ||
164 | if (state == NULL) goto error; | ||
165 | |||
166 | /* create dvb_frontend */ | ||
167 | memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops)); | ||
168 | state->frontend.demodulator_priv = state; | ||
169 | return &state->frontend; | ||
170 | |||
171 | error: | ||
172 | kfree(state); | ||
173 | return NULL; | ||
174 | } | ||
175 | |||
176 | static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = { | ||
177 | .delsys = { SYS_DVBT }, | ||
178 | .info = { | ||
179 | .name = "Dummy DVB-T", | ||
180 | .frequency_min = 0, | ||
181 | .frequency_max = 863250000, | ||
182 | .frequency_stepsize = 62500, | ||
183 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | ||
184 | FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | | ||
185 | FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO | | ||
186 | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | | ||
187 | FE_CAN_TRANSMISSION_MODE_AUTO | | ||
188 | FE_CAN_GUARD_INTERVAL_AUTO | | ||
189 | FE_CAN_HIERARCHY_AUTO, | ||
190 | }, | ||
191 | |||
192 | .release = dvb_dummy_fe_release, | ||
193 | |||
194 | .init = dvb_dummy_fe_init, | ||
195 | .sleep = dvb_dummy_fe_sleep, | ||
196 | |||
197 | .set_frontend = dvb_dummy_fe_set_frontend, | ||
198 | .get_frontend = dvb_dummy_fe_get_frontend, | ||
199 | |||
200 | .read_status = dvb_dummy_fe_read_status, | ||
201 | .read_ber = dvb_dummy_fe_read_ber, | ||
202 | .read_signal_strength = dvb_dummy_fe_read_signal_strength, | ||
203 | .read_snr = dvb_dummy_fe_read_snr, | ||
204 | .read_ucblocks = dvb_dummy_fe_read_ucblocks, | ||
205 | }; | ||
206 | |||
207 | static struct dvb_frontend_ops dvb_dummy_fe_qam_ops = { | ||
208 | .delsys = { SYS_DVBC_ANNEX_A }, | ||
209 | .info = { | ||
210 | .name = "Dummy DVB-C", | ||
211 | .frequency_stepsize = 62500, | ||
212 | .frequency_min = 51000000, | ||
213 | .frequency_max = 858000000, | ||
214 | .symbol_rate_min = (57840000/2)/64, /* SACLK/64 == (XIN/2)/64 */ | ||
215 | .symbol_rate_max = (57840000/2)/4, /* SACLK/4 */ | ||
216 | .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | | ||
217 | FE_CAN_QAM_128 | FE_CAN_QAM_256 | | ||
218 | FE_CAN_FEC_AUTO | FE_CAN_INVERSION_AUTO | ||
219 | }, | ||
220 | |||
221 | .release = dvb_dummy_fe_release, | ||
222 | |||
223 | .init = dvb_dummy_fe_init, | ||
224 | .sleep = dvb_dummy_fe_sleep, | ||
225 | |||
226 | .set_frontend = dvb_dummy_fe_set_frontend, | ||
227 | .get_frontend = dvb_dummy_fe_get_frontend, | ||
228 | |||
229 | .read_status = dvb_dummy_fe_read_status, | ||
230 | .read_ber = dvb_dummy_fe_read_ber, | ||
231 | .read_signal_strength = dvb_dummy_fe_read_signal_strength, | ||
232 | .read_snr = dvb_dummy_fe_read_snr, | ||
233 | .read_ucblocks = dvb_dummy_fe_read_ucblocks, | ||
234 | }; | ||
235 | |||
236 | static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = { | ||
237 | .delsys = { SYS_DVBS }, | ||
238 | .info = { | ||
239 | .name = "Dummy DVB-S", | ||
240 | .frequency_min = 950000, | ||
241 | .frequency_max = 2150000, | ||
242 | .frequency_stepsize = 250, /* kHz for QPSK frontends */ | ||
243 | .frequency_tolerance = 29500, | ||
244 | .symbol_rate_min = 1000000, | ||
245 | .symbol_rate_max = 45000000, | ||
246 | .caps = FE_CAN_INVERSION_AUTO | | ||
247 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | ||
248 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | ||
249 | FE_CAN_QPSK | ||
250 | }, | ||
251 | |||
252 | .release = dvb_dummy_fe_release, | ||
253 | |||
254 | .init = dvb_dummy_fe_init, | ||
255 | .sleep = dvb_dummy_fe_sleep, | ||
256 | |||
257 | .set_frontend = dvb_dummy_fe_set_frontend, | ||
258 | .get_frontend = dvb_dummy_fe_get_frontend, | ||
259 | |||
260 | .read_status = dvb_dummy_fe_read_status, | ||
261 | .read_ber = dvb_dummy_fe_read_ber, | ||
262 | .read_signal_strength = dvb_dummy_fe_read_signal_strength, | ||
263 | .read_snr = dvb_dummy_fe_read_snr, | ||
264 | .read_ucblocks = dvb_dummy_fe_read_ucblocks, | ||
265 | |||
266 | .set_voltage = dvb_dummy_fe_set_voltage, | ||
267 | .set_tone = dvb_dummy_fe_set_tone, | ||
268 | }; | ||
269 | |||
270 | MODULE_DESCRIPTION("DVB DUMMY Frontend"); | ||
271 | MODULE_AUTHOR("Emard"); | ||
272 | MODULE_LICENSE("GPL"); | ||
273 | |||
274 | EXPORT_SYMBOL(dvb_dummy_fe_ofdm_attach); | ||
275 | EXPORT_SYMBOL(dvb_dummy_fe_qam_attach); | ||
276 | EXPORT_SYMBOL(dvb_dummy_fe_qpsk_attach); | ||