1*2874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2616300bdSMauro Carvalho Chehab /*
3616300bdSMauro Carvalho Chehab * FireDTV driver (formerly known as FireSAT)
4616300bdSMauro Carvalho Chehab *
5616300bdSMauro Carvalho Chehab * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
6616300bdSMauro Carvalho Chehab * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
7616300bdSMauro Carvalho Chehab */
8616300bdSMauro Carvalho Chehab
9616300bdSMauro Carvalho Chehab #include <linux/device.h>
10616300bdSMauro Carvalho Chehab #include <linux/errno.h>
11616300bdSMauro Carvalho Chehab #include <linux/kernel.h>
12616300bdSMauro Carvalho Chehab #include <linux/string.h>
13616300bdSMauro Carvalho Chehab #include <linux/types.h>
14616300bdSMauro Carvalho Chehab
15fada1935SMauro Carvalho Chehab #include <media/dvb_frontend.h>
16616300bdSMauro Carvalho Chehab
17616300bdSMauro Carvalho Chehab #include "firedtv.h"
18616300bdSMauro Carvalho Chehab
fdtv_dvb_init(struct dvb_frontend * fe)19616300bdSMauro Carvalho Chehab static int fdtv_dvb_init(struct dvb_frontend *fe)
20616300bdSMauro Carvalho Chehab {
21616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
22616300bdSMauro Carvalho Chehab int err;
23616300bdSMauro Carvalho Chehab
24616300bdSMauro Carvalho Chehab /* FIXME - allocate free channel at IRM */
25616300bdSMauro Carvalho Chehab fdtv->isochannel = fdtv->adapter.num;
26616300bdSMauro Carvalho Chehab
27616300bdSMauro Carvalho Chehab err = cmp_establish_pp_connection(fdtv, fdtv->subunit,
28616300bdSMauro Carvalho Chehab fdtv->isochannel);
29616300bdSMauro Carvalho Chehab if (err) {
30616300bdSMauro Carvalho Chehab dev_err(fdtv->device,
31616300bdSMauro Carvalho Chehab "could not establish point to point connection\n");
32616300bdSMauro Carvalho Chehab return err;
33616300bdSMauro Carvalho Chehab }
34616300bdSMauro Carvalho Chehab
35616300bdSMauro Carvalho Chehab return fdtv_start_iso(fdtv);
36616300bdSMauro Carvalho Chehab }
37616300bdSMauro Carvalho Chehab
fdtv_sleep(struct dvb_frontend * fe)38616300bdSMauro Carvalho Chehab static int fdtv_sleep(struct dvb_frontend *fe)
39616300bdSMauro Carvalho Chehab {
40616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
41616300bdSMauro Carvalho Chehab
42616300bdSMauro Carvalho Chehab fdtv_stop_iso(fdtv);
43616300bdSMauro Carvalho Chehab cmp_break_pp_connection(fdtv, fdtv->subunit, fdtv->isochannel);
44616300bdSMauro Carvalho Chehab fdtv->isochannel = -1;
45616300bdSMauro Carvalho Chehab return 0;
46616300bdSMauro Carvalho Chehab }
47616300bdSMauro Carvalho Chehab
48616300bdSMauro Carvalho Chehab #define LNBCONTROL_DONTCARE 0xff
49616300bdSMauro Carvalho Chehab
fdtv_diseqc_send_master_cmd(struct dvb_frontend * fe,struct dvb_diseqc_master_cmd * cmd)50616300bdSMauro Carvalho Chehab static int fdtv_diseqc_send_master_cmd(struct dvb_frontend *fe,
51616300bdSMauro Carvalho Chehab struct dvb_diseqc_master_cmd *cmd)
52616300bdSMauro Carvalho Chehab {
53616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
54616300bdSMauro Carvalho Chehab
55616300bdSMauro Carvalho Chehab return avc_lnb_control(fdtv, LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE,
56616300bdSMauro Carvalho Chehab LNBCONTROL_DONTCARE, 1, cmd);
57616300bdSMauro Carvalho Chehab }
58616300bdSMauro Carvalho Chehab
fdtv_diseqc_send_burst(struct dvb_frontend * fe,enum fe_sec_mini_cmd minicmd)59616300bdSMauro Carvalho Chehab static int fdtv_diseqc_send_burst(struct dvb_frontend *fe,
600df289a2SMauro Carvalho Chehab enum fe_sec_mini_cmd minicmd)
61616300bdSMauro Carvalho Chehab {
62616300bdSMauro Carvalho Chehab return 0;
63616300bdSMauro Carvalho Chehab }
64616300bdSMauro Carvalho Chehab
fdtv_set_tone(struct dvb_frontend * fe,enum fe_sec_tone_mode tone)650df289a2SMauro Carvalho Chehab static int fdtv_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
66616300bdSMauro Carvalho Chehab {
67616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
68616300bdSMauro Carvalho Chehab
69616300bdSMauro Carvalho Chehab fdtv->tone = tone;
70616300bdSMauro Carvalho Chehab return 0;
71616300bdSMauro Carvalho Chehab }
72616300bdSMauro Carvalho Chehab
fdtv_set_voltage(struct dvb_frontend * fe,enum fe_sec_voltage voltage)73616300bdSMauro Carvalho Chehab static int fdtv_set_voltage(struct dvb_frontend *fe,
740df289a2SMauro Carvalho Chehab enum fe_sec_voltage voltage)
75616300bdSMauro Carvalho Chehab {
76616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
77616300bdSMauro Carvalho Chehab
78616300bdSMauro Carvalho Chehab fdtv->voltage = voltage;
79616300bdSMauro Carvalho Chehab return 0;
80616300bdSMauro Carvalho Chehab }
81616300bdSMauro Carvalho Chehab
fdtv_read_status(struct dvb_frontend * fe,enum fe_status * status)820df289a2SMauro Carvalho Chehab static int fdtv_read_status(struct dvb_frontend *fe, enum fe_status *status)
83616300bdSMauro Carvalho Chehab {
84616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
85616300bdSMauro Carvalho Chehab struct firedtv_tuner_status stat;
86616300bdSMauro Carvalho Chehab
87616300bdSMauro Carvalho Chehab if (avc_tuner_status(fdtv, &stat))
88616300bdSMauro Carvalho Chehab return -EINVAL;
89616300bdSMauro Carvalho Chehab
90616300bdSMauro Carvalho Chehab if (stat.no_rf)
91616300bdSMauro Carvalho Chehab *status = 0;
92616300bdSMauro Carvalho Chehab else
93616300bdSMauro Carvalho Chehab *status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC |
94616300bdSMauro Carvalho Chehab FE_HAS_CARRIER | FE_HAS_LOCK;
95616300bdSMauro Carvalho Chehab return 0;
96616300bdSMauro Carvalho Chehab }
97616300bdSMauro Carvalho Chehab
fdtv_read_ber(struct dvb_frontend * fe,u32 * ber)98616300bdSMauro Carvalho Chehab static int fdtv_read_ber(struct dvb_frontend *fe, u32 *ber)
99616300bdSMauro Carvalho Chehab {
100616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
101616300bdSMauro Carvalho Chehab struct firedtv_tuner_status stat;
102616300bdSMauro Carvalho Chehab
103616300bdSMauro Carvalho Chehab if (avc_tuner_status(fdtv, &stat))
104616300bdSMauro Carvalho Chehab return -EINVAL;
105616300bdSMauro Carvalho Chehab
106616300bdSMauro Carvalho Chehab *ber = stat.ber;
107616300bdSMauro Carvalho Chehab return 0;
108616300bdSMauro Carvalho Chehab }
109616300bdSMauro Carvalho Chehab
fdtv_read_signal_strength(struct dvb_frontend * fe,u16 * strength)110616300bdSMauro Carvalho Chehab static int fdtv_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
111616300bdSMauro Carvalho Chehab {
112616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
113616300bdSMauro Carvalho Chehab struct firedtv_tuner_status stat;
114616300bdSMauro Carvalho Chehab
115616300bdSMauro Carvalho Chehab if (avc_tuner_status(fdtv, &stat))
116616300bdSMauro Carvalho Chehab return -EINVAL;
117616300bdSMauro Carvalho Chehab
118616300bdSMauro Carvalho Chehab *strength = stat.signal_strength << 8;
119616300bdSMauro Carvalho Chehab return 0;
120616300bdSMauro Carvalho Chehab }
121616300bdSMauro Carvalho Chehab
fdtv_read_snr(struct dvb_frontend * fe,u16 * snr)122616300bdSMauro Carvalho Chehab static int fdtv_read_snr(struct dvb_frontend *fe, u16 *snr)
123616300bdSMauro Carvalho Chehab {
124616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
125616300bdSMauro Carvalho Chehab struct firedtv_tuner_status stat;
126616300bdSMauro Carvalho Chehab
127616300bdSMauro Carvalho Chehab if (avc_tuner_status(fdtv, &stat))
128616300bdSMauro Carvalho Chehab return -EINVAL;
129616300bdSMauro Carvalho Chehab
130616300bdSMauro Carvalho Chehab /* C/N[dB] = -10 * log10(snr / 65535) */
131616300bdSMauro Carvalho Chehab *snr = stat.carrier_noise_ratio * 257;
132616300bdSMauro Carvalho Chehab return 0;
133616300bdSMauro Carvalho Chehab }
134616300bdSMauro Carvalho Chehab
fdtv_read_uncorrected_blocks(struct dvb_frontend * fe,u32 * ucblocks)135616300bdSMauro Carvalho Chehab static int fdtv_read_uncorrected_blocks(struct dvb_frontend *fe, u32 *ucblocks)
136616300bdSMauro Carvalho Chehab {
137616300bdSMauro Carvalho Chehab return -EOPNOTSUPP;
138616300bdSMauro Carvalho Chehab }
139616300bdSMauro Carvalho Chehab
fdtv_set_frontend(struct dvb_frontend * fe)140616300bdSMauro Carvalho Chehab static int fdtv_set_frontend(struct dvb_frontend *fe)
141616300bdSMauro Carvalho Chehab {
142616300bdSMauro Carvalho Chehab struct dtv_frontend_properties *p = &fe->dtv_property_cache;
143616300bdSMauro Carvalho Chehab struct firedtv *fdtv = fe->sec_priv;
144616300bdSMauro Carvalho Chehab
145616300bdSMauro Carvalho Chehab return avc_tuner_dsd(fdtv, p);
146616300bdSMauro Carvalho Chehab }
147616300bdSMauro Carvalho Chehab
fdtv_frontend_init(struct firedtv * fdtv,const char * name)148616300bdSMauro Carvalho Chehab void fdtv_frontend_init(struct firedtv *fdtv, const char *name)
149616300bdSMauro Carvalho Chehab {
150616300bdSMauro Carvalho Chehab struct dvb_frontend_ops *ops = &fdtv->fe.ops;
151f1b1eabfSMauro Carvalho Chehab struct dvb_frontend_internal_info *fi = &ops->info;
152616300bdSMauro Carvalho Chehab
153616300bdSMauro Carvalho Chehab ops->init = fdtv_dvb_init;
154616300bdSMauro Carvalho Chehab ops->sleep = fdtv_sleep;
155616300bdSMauro Carvalho Chehab
156616300bdSMauro Carvalho Chehab ops->set_frontend = fdtv_set_frontend;
157616300bdSMauro Carvalho Chehab
158616300bdSMauro Carvalho Chehab ops->read_status = fdtv_read_status;
159616300bdSMauro Carvalho Chehab ops->read_ber = fdtv_read_ber;
160616300bdSMauro Carvalho Chehab ops->read_signal_strength = fdtv_read_signal_strength;
161616300bdSMauro Carvalho Chehab ops->read_snr = fdtv_read_snr;
162616300bdSMauro Carvalho Chehab ops->read_ucblocks = fdtv_read_uncorrected_blocks;
163616300bdSMauro Carvalho Chehab
164616300bdSMauro Carvalho Chehab ops->diseqc_send_master_cmd = fdtv_diseqc_send_master_cmd;
165616300bdSMauro Carvalho Chehab ops->diseqc_send_burst = fdtv_diseqc_send_burst;
166616300bdSMauro Carvalho Chehab ops->set_tone = fdtv_set_tone;
167616300bdSMauro Carvalho Chehab ops->set_voltage = fdtv_set_voltage;
168616300bdSMauro Carvalho Chehab
169616300bdSMauro Carvalho Chehab switch (fdtv->type) {
170616300bdSMauro Carvalho Chehab case FIREDTV_DVB_S:
171616300bdSMauro Carvalho Chehab ops->delsys[0] = SYS_DVBS;
172616300bdSMauro Carvalho Chehab
173f1b1eabfSMauro Carvalho Chehab fi->frequency_min_hz = 950 * MHz;
174f1b1eabfSMauro Carvalho Chehab fi->frequency_max_hz = 2150 * MHz;
175f1b1eabfSMauro Carvalho Chehab fi->frequency_stepsize_hz = 125 * kHz;
176616300bdSMauro Carvalho Chehab fi->symbol_rate_min = 1000000;
177616300bdSMauro Carvalho Chehab fi->symbol_rate_max = 40000000;
178616300bdSMauro Carvalho Chehab
179616300bdSMauro Carvalho Chehab fi->caps = FE_CAN_INVERSION_AUTO |
180616300bdSMauro Carvalho Chehab FE_CAN_FEC_1_2 |
181616300bdSMauro Carvalho Chehab FE_CAN_FEC_2_3 |
182616300bdSMauro Carvalho Chehab FE_CAN_FEC_3_4 |
183616300bdSMauro Carvalho Chehab FE_CAN_FEC_5_6 |
184616300bdSMauro Carvalho Chehab FE_CAN_FEC_7_8 |
185616300bdSMauro Carvalho Chehab FE_CAN_FEC_AUTO |
186616300bdSMauro Carvalho Chehab FE_CAN_QPSK;
187616300bdSMauro Carvalho Chehab break;
188616300bdSMauro Carvalho Chehab
189616300bdSMauro Carvalho Chehab case FIREDTV_DVB_S2:
190616300bdSMauro Carvalho Chehab ops->delsys[0] = SYS_DVBS;
191616300bdSMauro Carvalho Chehab ops->delsys[1] = SYS_DVBS2;
192616300bdSMauro Carvalho Chehab
193f1b1eabfSMauro Carvalho Chehab fi->frequency_min_hz = 950 * MHz;
194f1b1eabfSMauro Carvalho Chehab fi->frequency_max_hz = 2150 * MHz;
195f1b1eabfSMauro Carvalho Chehab fi->frequency_stepsize_hz = 125 * kHz;
196616300bdSMauro Carvalho Chehab fi->symbol_rate_min = 1000000;
197616300bdSMauro Carvalho Chehab fi->symbol_rate_max = 40000000;
198616300bdSMauro Carvalho Chehab
199616300bdSMauro Carvalho Chehab fi->caps = FE_CAN_INVERSION_AUTO |
200616300bdSMauro Carvalho Chehab FE_CAN_FEC_1_2 |
201616300bdSMauro Carvalho Chehab FE_CAN_FEC_2_3 |
202616300bdSMauro Carvalho Chehab FE_CAN_FEC_3_4 |
203616300bdSMauro Carvalho Chehab FE_CAN_FEC_5_6 |
204616300bdSMauro Carvalho Chehab FE_CAN_FEC_7_8 |
205616300bdSMauro Carvalho Chehab FE_CAN_FEC_AUTO |
206616300bdSMauro Carvalho Chehab FE_CAN_QPSK |
207616300bdSMauro Carvalho Chehab FE_CAN_2G_MODULATION;
208616300bdSMauro Carvalho Chehab break;
209616300bdSMauro Carvalho Chehab
210616300bdSMauro Carvalho Chehab case FIREDTV_DVB_C:
211616300bdSMauro Carvalho Chehab ops->delsys[0] = SYS_DVBC_ANNEX_A;
212616300bdSMauro Carvalho Chehab
213f1b1eabfSMauro Carvalho Chehab fi->frequency_min_hz = 47 * MHz;
214f1b1eabfSMauro Carvalho Chehab fi->frequency_max_hz = 866 * MHz;
215f1b1eabfSMauro Carvalho Chehab fi->frequency_stepsize_hz = 62500;
216616300bdSMauro Carvalho Chehab fi->symbol_rate_min = 870000;
217616300bdSMauro Carvalho Chehab fi->symbol_rate_max = 6900000;
218616300bdSMauro Carvalho Chehab
219616300bdSMauro Carvalho Chehab fi->caps = FE_CAN_INVERSION_AUTO |
220616300bdSMauro Carvalho Chehab FE_CAN_QAM_16 |
221616300bdSMauro Carvalho Chehab FE_CAN_QAM_32 |
222616300bdSMauro Carvalho Chehab FE_CAN_QAM_64 |
223616300bdSMauro Carvalho Chehab FE_CAN_QAM_128 |
224616300bdSMauro Carvalho Chehab FE_CAN_QAM_256 |
225616300bdSMauro Carvalho Chehab FE_CAN_QAM_AUTO;
226616300bdSMauro Carvalho Chehab break;
227616300bdSMauro Carvalho Chehab
228616300bdSMauro Carvalho Chehab case FIREDTV_DVB_T:
229616300bdSMauro Carvalho Chehab ops->delsys[0] = SYS_DVBT;
230616300bdSMauro Carvalho Chehab
231f1b1eabfSMauro Carvalho Chehab fi->frequency_min_hz = 49 * MHz;
232f1b1eabfSMauro Carvalho Chehab fi->frequency_max_hz = 861 * MHz;
233f1b1eabfSMauro Carvalho Chehab fi->frequency_stepsize_hz = 62500;
234616300bdSMauro Carvalho Chehab
235616300bdSMauro Carvalho Chehab fi->caps = FE_CAN_INVERSION_AUTO |
236616300bdSMauro Carvalho Chehab FE_CAN_FEC_2_3 |
237616300bdSMauro Carvalho Chehab FE_CAN_TRANSMISSION_MODE_AUTO |
238616300bdSMauro Carvalho Chehab FE_CAN_GUARD_INTERVAL_AUTO |
239616300bdSMauro Carvalho Chehab FE_CAN_HIERARCHY_AUTO;
240616300bdSMauro Carvalho Chehab break;
241616300bdSMauro Carvalho Chehab
242616300bdSMauro Carvalho Chehab default:
243616300bdSMauro Carvalho Chehab dev_err(fdtv->device, "no frontend for model type %d\n",
244616300bdSMauro Carvalho Chehab fdtv->type);
245616300bdSMauro Carvalho Chehab }
246cc1e6315SMauro Carvalho Chehab strscpy(fi->name, name, sizeof(fi->name));
247616300bdSMauro Carvalho Chehab
248616300bdSMauro Carvalho Chehab fdtv->fe.dvb = &fdtv->adapter;
249616300bdSMauro Carvalho Chehab fdtv->fe.sec_priv = fdtv;
250616300bdSMauro Carvalho Chehab }
251