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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-06-14 15:35:56 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 22:26:31 -0400
commit786baecfe78f8e25547c628b48a60fc8e5636056 (patch)
treebb4101ce010f55cbbfc6d93ee13b44b496a028cc /drivers/media/dvb/dvb-usb/gp8psk-fe.c
parent616300bd51bee80d2d122c205866aa4c20adbaa8 (diff)
[media] dvb-usb: move it to drivers/media/usb/dvb-usb
As media/dvb will be removed, move it to a proper place. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-usb/gp8psk-fe.c')
-rw-r--r--drivers/media/dvb/dvb-usb/gp8psk-fe.c369
1 files changed, 0 insertions, 369 deletions
diff --git a/drivers/media/dvb/dvb-usb/gp8psk-fe.c b/drivers/media/dvb/dvb-usb/gp8psk-fe.c
deleted file mode 100644
index 67957dd99ede..000000000000
--- a/drivers/media/dvb/dvb-usb/gp8psk-fe.c
+++ /dev/null
@@ -1,369 +0,0 @@
1/* DVB USB compliant Linux driver for the
2 * - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module
3 *
4 * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com)
5 * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com)
6 *
7 * Thanks to GENPIX for the sample code used to implement this module.
8 *
9 * This module is based off the vp7045 and vp702x modules
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation, version 2.
14 *
15 * see Documentation/dvb/README.dvb-usb for more information
16 */
17#include "gp8psk.h"
18
19struct gp8psk_fe_state {
20 struct dvb_frontend fe;
21 struct dvb_usb_device *d;
22 u8 lock;
23 u16 snr;
24 unsigned long next_status_check;
25 unsigned long status_check_interval;
26};
27
28static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe)
29{
30 struct gp8psk_fe_state *st = fe->demodulator_priv;
31 u8 status;
32 gp8psk_usb_in_op(st->d, GET_8PSK_CONFIG, 0, 0, &status, 1);
33 return status & bmDCtuned;
34}
35
36static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode)
37{
38 struct gp8psk_fe_state *state = fe->demodulator_priv;
39 return gp8psk_usb_out_op(state->d, SET_8PSK_CONFIG, mode, 0, NULL, 0);
40}
41
42static int gp8psk_fe_update_status(struct gp8psk_fe_state *st)
43{
44 u8 buf[6];
45 if (time_after(jiffies,st->next_status_check)) {
46 gp8psk_usb_in_op(st->d, GET_SIGNAL_LOCK, 0,0,&st->lock,1);
47 gp8psk_usb_in_op(st->d, GET_SIGNAL_STRENGTH, 0,0,buf,6);
48 st->snr = (buf[1]) << 8 | buf[0];
49 st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000;
50 }
51 return 0;
52}
53
54static int gp8psk_fe_read_status(struct dvb_frontend* fe, fe_status_t *status)
55{
56 struct gp8psk_fe_state *st = fe->demodulator_priv;
57 gp8psk_fe_update_status(st);
58
59 if (st->lock)
60 *status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI | FE_HAS_SIGNAL | FE_HAS_CARRIER;
61 else
62 *status = 0;
63
64 if (*status & FE_HAS_LOCK)
65 st->status_check_interval = 1000;
66 else
67 st->status_check_interval = 100;
68 return 0;
69}
70
71/* not supported by this Frontend */
72static int gp8psk_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
73{
74 (void) fe;
75 *ber = 0;
76 return 0;
77}
78
79/* not supported by this Frontend */
80static int gp8psk_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
81{
82 (void) fe;
83 *unc = 0;
84 return 0;
85}
86
87static int gp8psk_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
88{
89 struct gp8psk_fe_state *st = fe->demodulator_priv;
90 gp8psk_fe_update_status(st);
91 /* snr is reported in dBu*256 */
92 *snr = st->snr;
93 return 0;
94}
95
96static int gp8psk_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
97{
98 struct gp8psk_fe_state *st = fe->demodulator_priv;
99 gp8psk_fe_update_status(st);
100 /* snr is reported in dBu*256 */
101 /* snr / 38.4 ~= 100% strength */
102 /* snr * 17 returns 100% strength as 65535 */
103 if (st->snr > 0xf00)
104 *strength = 0xffff;
105 else
106 *strength = (st->snr << 4) + st->snr; /* snr*17 */
107 return 0;
108}
109
110static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
111{
112 tune->min_delay_ms = 800;
113 return 0;
114}
115
116static int gp8psk_fe_set_frontend(struct dvb_frontend *fe)
117{
118 struct gp8psk_fe_state *state = fe->demodulator_priv;
119 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
120 u8 cmd[10];
121 u32 freq = c->frequency * 1000;
122 int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct);
123
124 deb_fe("%s()\n", __func__);
125
126 cmd[4] = freq & 0xff;
127 cmd[5] = (freq >> 8) & 0xff;
128 cmd[6] = (freq >> 16) & 0xff;
129 cmd[7] = (freq >> 24) & 0xff;
130
131 /* backwards compatibility: DVB-S + 8-PSK were used for Turbo-FEC */
132 if (c->delivery_system == SYS_DVBS && c->modulation == PSK_8)
133 c->delivery_system = SYS_TURBO;
134
135 switch (c->delivery_system) {
136 case SYS_DVBS:
137 if (c->modulation != QPSK) {
138 deb_fe("%s: unsupported modulation selected (%d)\n",
139 __func__, c->modulation);
140 return -EOPNOTSUPP;
141 }
142 c->fec_inner = FEC_AUTO;
143 break;
144 case SYS_DVBS2: /* kept for backwards compatibility */
145 deb_fe("%s: DVB-S2 delivery system selected\n", __func__);
146 break;
147 case SYS_TURBO:
148 deb_fe("%s: Turbo-FEC delivery system selected\n", __func__);
149 break;
150
151 default:
152 deb_fe("%s: unsupported delivery system selected (%d)\n",
153 __func__, c->delivery_system);
154 return -EOPNOTSUPP;
155 }
156
157 cmd[0] = c->symbol_rate & 0xff;
158 cmd[1] = (c->symbol_rate >> 8) & 0xff;
159 cmd[2] = (c->symbol_rate >> 16) & 0xff;
160 cmd[3] = (c->symbol_rate >> 24) & 0xff;
161 switch (c->modulation) {
162 case QPSK:
163 if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
164 if (gp8psk_tuned_to_DCII(fe))
165 gp8psk_bcm4500_reload(state->d);
166 switch (c->fec_inner) {
167 case FEC_1_2:
168 cmd[9] = 0; break;
169 case FEC_2_3:
170 cmd[9] = 1; break;
171 case FEC_3_4:
172 cmd[9] = 2; break;
173 case FEC_5_6:
174 cmd[9] = 3; break;
175 case FEC_7_8:
176 cmd[9] = 4; break;
177 case FEC_AUTO:
178 cmd[9] = 5; break;
179 default:
180 cmd[9] = 5; break;
181 }
182 if (c->delivery_system == SYS_TURBO)
183 cmd[8] = ADV_MOD_TURBO_QPSK;
184 else
185 cmd[8] = ADV_MOD_DVB_QPSK;
186 break;
187 case PSK_8: /* PSK_8 is for compatibility with DN */
188 cmd[8] = ADV_MOD_TURBO_8PSK;
189 switch (c->fec_inner) {
190 case FEC_2_3:
191 cmd[9] = 0; break;
192 case FEC_3_4:
193 cmd[9] = 1; break;
194 case FEC_3_5:
195 cmd[9] = 2; break;
196 case FEC_5_6:
197 cmd[9] = 3; break;
198 case FEC_8_9:
199 cmd[9] = 4; break;
200 default:
201 cmd[9] = 0; break;
202 }
203 break;
204 case QAM_16: /* QAM_16 is for compatibility with DN */
205 cmd[8] = ADV_MOD_TURBO_16QAM;
206 cmd[9] = 0;
207 break;
208 default: /* Unknown modulation */
209 deb_fe("%s: unsupported modulation selected (%d)\n",
210 __func__, c->modulation);
211 return -EOPNOTSUPP;
212 }
213
214 if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
215 gp8psk_set_tuner_mode(fe, 0);
216 gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10);
217
218 state->lock = 0;
219 state->next_status_check = jiffies;
220 state->status_check_interval = 200;
221
222 return 0;
223}
224
225static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe,
226 struct dvb_diseqc_master_cmd *m)
227{
228 struct gp8psk_fe_state *st = fe->demodulator_priv;
229
230 deb_fe("%s\n",__func__);
231
232 if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0,
233 m->msg, m->msg_len)) {
234 return -EINVAL;
235 }
236 return 0;
237}
238
239static int gp8psk_fe_send_diseqc_burst (struct dvb_frontend* fe,
240 fe_sec_mini_cmd_t burst)
241{
242 struct gp8psk_fe_state *st = fe->demodulator_priv;
243 u8 cmd;
244
245 deb_fe("%s\n",__func__);
246
247 /* These commands are certainly wrong */
248 cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01;
249
250 if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, cmd, 0,
251 &cmd, 0)) {
252 return -EINVAL;
253 }
254 return 0;
255}
256
257static int gp8psk_fe_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
258{
259 struct gp8psk_fe_state* state = fe->demodulator_priv;
260
261 if (gp8psk_usb_out_op(state->d,SET_22KHZ_TONE,
262 (tone == SEC_TONE_ON), 0, NULL, 0)) {
263 return -EINVAL;
264 }
265 return 0;
266}
267
268static int gp8psk_fe_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
269{
270 struct gp8psk_fe_state* state = fe->demodulator_priv;
271
272 if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE,
273 voltage == SEC_VOLTAGE_18, 0, NULL, 0)) {
274 return -EINVAL;
275 }
276 return 0;
277}
278
279static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff)
280{
281 struct gp8psk_fe_state* state = fe->demodulator_priv;
282 return gp8psk_usb_out_op(state->d, USE_EXTRA_VOLT, onoff, 0,NULL,0);
283}
284
285static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd)
286{
287 struct gp8psk_fe_state* state = fe->demodulator_priv;
288 u8 cmd = sw_cmd & 0x7f;
289
290 if (gp8psk_usb_out_op(state->d,SET_DN_SWITCH, cmd, 0,
291 NULL, 0)) {
292 return -EINVAL;
293 }
294 if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, !!(sw_cmd & 0x80),
295 0, NULL, 0)) {
296 return -EINVAL;
297 }
298
299 return 0;
300}
301
302static void gp8psk_fe_release(struct dvb_frontend* fe)
303{
304 struct gp8psk_fe_state *state = fe->demodulator_priv;
305 kfree(state);
306}
307
308static struct dvb_frontend_ops gp8psk_fe_ops;
309
310struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d)
311{
312 struct gp8psk_fe_state *s = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL);
313 if (s == NULL)
314 goto error;
315
316 s->d = d;
317 memcpy(&s->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops));
318 s->fe.demodulator_priv = s;
319
320 goto success;
321error:
322 return NULL;
323success:
324 return &s->fe;
325}
326
327
328static struct dvb_frontend_ops gp8psk_fe_ops = {
329 .delsys = { SYS_DVBS },
330 .info = {
331 .name = "Genpix DVB-S",
332 .frequency_min = 800000,
333 .frequency_max = 2250000,
334 .frequency_stepsize = 100,
335 .symbol_rate_min = 1000000,
336 .symbol_rate_max = 45000000,
337 .symbol_rate_tolerance = 500, /* ppm */
338 .caps = FE_CAN_INVERSION_AUTO |
339 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
340 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
341 /*
342 * FE_CAN_QAM_16 is for compatibility
343 * (Myth incorrectly detects Turbo-QPSK as plain QAM-16)
344 */
345 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_TURBO_FEC
346 },
347
348 .release = gp8psk_fe_release,
349
350 .init = NULL,
351 .sleep = NULL,
352
353 .set_frontend = gp8psk_fe_set_frontend,
354
355 .get_tune_settings = gp8psk_fe_get_tune_settings,
356
357 .read_status = gp8psk_fe_read_status,
358 .read_ber = gp8psk_fe_read_ber,
359 .read_signal_strength = gp8psk_fe_read_signal_strength,
360 .read_snr = gp8psk_fe_read_snr,
361 .read_ucblocks = gp8psk_fe_read_unc_blocks,
362
363 .diseqc_send_master_cmd = gp8psk_fe_send_diseqc_msg,
364 .diseqc_send_burst = gp8psk_fe_send_diseqc_burst,
365 .set_tone = gp8psk_fe_set_tone,
366 .set_voltage = gp8psk_fe_set_voltage,
367 .dishnetwork_send_legacy_command = gp8psk_fe_send_legacy_dish_cmd,
368 .enable_high_lnb_voltage = gp8psk_fe_enable_high_lnb_voltage
369};
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-21 06:24:18 -0500