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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
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
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
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
101
102
103 if (st->snr > 0xf00)
104 *strength = 0xffff;
105 else
106 *strength = (st->snr << 4) + st->snr;
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_property(struct dvb_frontend *fe,
117 struct dtv_property *tvp)
118{
119 deb_fe("%s(..)\n", __func__);
120 return 0;
121}
122
123static int gp8psk_fe_get_property(struct dvb_frontend *fe,
124 struct dtv_property *tvp)
125{
126 deb_fe("%s(..)\n", __func__);
127 return 0;
128}
129
130
131static int gp8psk_fe_set_frontend(struct dvb_frontend* fe,
132 struct dvb_frontend_parameters *fep)
133{
134 struct gp8psk_fe_state *state = fe->demodulator_priv;
135 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
136 u8 cmd[10];
137 u32 freq = fep->frequency * 1000;
138 int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct);
139
140 deb_fe("%s()\n", __func__);
141
142 cmd[4] = freq & 0xff;
143 cmd[5] = (freq >> 8) & 0xff;
144 cmd[6] = (freq >> 16) & 0xff;
145 cmd[7] = (freq >> 24) & 0xff;
146
147
148 if (c->delivery_system == SYS_DVBS && c->modulation == PSK_8)
149 c->delivery_system = SYS_TURBO;
150
151 switch (c->delivery_system) {
152 case SYS_DVBS:
153 if (c->modulation != QPSK) {
154 deb_fe("%s: unsupported modulation selected (%d)\n",
155 __func__, c->modulation);
156 return -EOPNOTSUPP;
157 }
158 c->fec_inner = FEC_AUTO;
159 break;
160 case SYS_DVBS2:
161 deb_fe("%s: DVB-S2 delivery system selected\n", __func__);
162 break;
163 case SYS_TURBO:
164 deb_fe("%s: Turbo-FEC delivery system selected\n", __func__);
165 break;
166
167 default:
168 deb_fe("%s: unsupported delivery system selected (%d)\n",
169 __func__, c->delivery_system);
170 return -EOPNOTSUPP;
171 }
172
173 cmd[0] = c->symbol_rate & 0xff;
174 cmd[1] = (c->symbol_rate >> 8) & 0xff;
175 cmd[2] = (c->symbol_rate >> 16) & 0xff;
176 cmd[3] = (c->symbol_rate >> 24) & 0xff;
177 switch (c->modulation) {
178 case QPSK:
179 if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
180 if (gp8psk_tuned_to_DCII(fe))
181 gp8psk_bcm4500_reload(state->d);
182 switch (c->fec_inner) {
183 case FEC_1_2:
184 cmd[9] = 0; break;
185 case FEC_2_3:
186 cmd[9] = 1; break;
187 case FEC_3_4:
188 cmd[9] = 2; break;
189 case FEC_5_6:
190 cmd[9] = 3; break;
191 case FEC_7_8:
192 cmd[9] = 4; break;
193 case FEC_AUTO:
194 cmd[9] = 5; break;
195 default:
196 cmd[9] = 5; break;
197 }
198 if (c->delivery_system == SYS_TURBO)
199 cmd[8] = ADV_MOD_TURBO_QPSK;
200 else
201 cmd[8] = ADV_MOD_DVB_QPSK;
202 break;
203 case PSK_8:
204 cmd[8] = ADV_MOD_TURBO_8PSK;
205 switch (c->fec_inner) {
206 case FEC_2_3:
207 cmd[9] = 0; break;
208 case FEC_3_4:
209 cmd[9] = 1; break;
210 case FEC_3_5:
211 cmd[9] = 2; break;
212 case FEC_5_6:
213 cmd[9] = 3; break;
214 case FEC_8_9:
215 cmd[9] = 4; break;
216 default:
217 cmd[9] = 0; break;
218 }
219 break;
220 case QAM_16:
221 cmd[8] = ADV_MOD_TURBO_16QAM;
222 cmd[9] = 0;
223 break;
224 default:
225 deb_fe("%s: unsupported modulation selected (%d)\n",
226 __func__, c->modulation);
227 return -EOPNOTSUPP;
228 }
229
230 if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
231 gp8psk_set_tuner_mode(fe, 0);
232 gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10);
233
234 state->lock = 0;
235 state->next_status_check = jiffies;
236 state->status_check_interval = 200;
237
238 return 0;
239}
240
241static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe,
242 struct dvb_diseqc_master_cmd *m)
243{
244 struct gp8psk_fe_state *st = fe->demodulator_priv;
245
246 deb_fe("%s\n",__func__);
247
248 if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0,
249 m->msg, m->msg_len)) {
250 return -EINVAL;
251 }
252 return 0;
253}
254
255static int gp8psk_fe_send_diseqc_burst (struct dvb_frontend* fe,
256 fe_sec_mini_cmd_t burst)
257{
258 struct gp8psk_fe_state *st = fe->demodulator_priv;
259 u8 cmd;
260
261 deb_fe("%s\n",__func__);
262
263
264 cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01;
265
266 if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, cmd, 0,
267 &cmd, 0)) {
268 return -EINVAL;
269 }
270 return 0;
271}
272
273static int gp8psk_fe_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
274{
275 struct gp8psk_fe_state* state = fe->demodulator_priv;
276
277 if (gp8psk_usb_out_op(state->d,SET_22KHZ_TONE,
278 (tone == SEC_TONE_ON), 0, NULL, 0)) {
279 return -EINVAL;
280 }
281 return 0;
282}
283
284static int gp8psk_fe_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
285{
286 struct gp8psk_fe_state* state = fe->demodulator_priv;
287
288 if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE,
289 voltage == SEC_VOLTAGE_18, 0, NULL, 0)) {
290 return -EINVAL;
291 }
292 return 0;
293}
294
295static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff)
296{
297 struct gp8psk_fe_state* state = fe->demodulator_priv;
298 return gp8psk_usb_out_op(state->d, USE_EXTRA_VOLT, onoff, 0,NULL,0);
299}
300
301static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd)
302{
303 struct gp8psk_fe_state* state = fe->demodulator_priv;
304 u8 cmd = sw_cmd & 0x7f;
305
306 if (gp8psk_usb_out_op(state->d,SET_DN_SWITCH, cmd, 0,
307 NULL, 0)) {
308 return -EINVAL;
309 }
310 if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, !!(sw_cmd & 0x80),
311 0, NULL, 0)) {
312 return -EINVAL;
313 }
314
315 return 0;
316}
317
318static void gp8psk_fe_release(struct dvb_frontend* fe)
319{
320 struct gp8psk_fe_state *state = fe->demodulator_priv;
321 kfree(state);
322}
323
324static struct dvb_frontend_ops gp8psk_fe_ops;
325
326struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d)
327{
328 struct gp8psk_fe_state *s = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL);
329 if (s == NULL)
330 goto error;
331
332 s->d = d;
333 memcpy(&s->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops));
334 s->fe.demodulator_priv = s;
335
336 goto success;
337error:
338 return NULL;
339success:
340 return &s->fe;
341}
342
343
344static struct dvb_frontend_ops gp8psk_fe_ops = {
345 .info = {
346 .name = "Genpix DVB-S",
347 .type = FE_QPSK,
348 .frequency_min = 800000,
349 .frequency_max = 2250000,
350 .frequency_stepsize = 100,
351 .symbol_rate_min = 1000000,
352 .symbol_rate_max = 45000000,
353 .symbol_rate_tolerance = 500,
354 .caps = FE_CAN_INVERSION_AUTO |
355 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
356 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
357
358
359
360
361 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_TURBO_FEC
362 },
363
364 .release = gp8psk_fe_release,
365
366 .init = NULL,
367 .sleep = NULL,
368
369 .set_property = gp8psk_fe_set_property,
370 .get_property = gp8psk_fe_get_property,
371 .set_frontend = gp8psk_fe_set_frontend,
372
373 .get_tune_settings = gp8psk_fe_get_tune_settings,
374
375 .read_status = gp8psk_fe_read_status,
376 .read_ber = gp8psk_fe_read_ber,
377 .read_signal_strength = gp8psk_fe_read_signal_strength,
378 .read_snr = gp8psk_fe_read_snr,
379 .read_ucblocks = gp8psk_fe_read_unc_blocks,
380
381 .diseqc_send_master_cmd = gp8psk_fe_send_diseqc_msg,
382 .diseqc_send_burst = gp8psk_fe_send_diseqc_burst,
383 .set_tone = gp8psk_fe_set_tone,
384 .set_voltage = gp8psk_fe_set_voltage,
385 .dishnetwork_send_legacy_command = gp8psk_fe_send_legacy_dish_cmd,
386 .enable_high_lnb_voltage = gp8psk_fe_enable_high_lnb_voltage
387};
388
