^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * TTUSB DEC Frontend Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <media/dvb_frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "ttusbdecfe.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define LOF_HI 10600000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define LOF_LO 9750000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct ttusbdecfe_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /* configuration settings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) const struct ttusbdecfe_config* config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct dvb_frontend frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) u8 hi_band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) u8 voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int ttusbdecfe_dvbs_read_status(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) enum fe_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) *status = FE_HAS_SIGNAL | FE_HAS_VITERBI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static int ttusbdecfe_dvbt_read_status(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) enum fe_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct ttusbdecfe_state* state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u8 b[] = { 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 0x00, 0x00, 0x00, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u8 result[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int len, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) *status=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ret=state->config->send_command(fe, 0x73, sizeof(b), b, &len, result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if(ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if(len != 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) printk(KERN_ERR "%s: unexpected reply\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) switch(result[3]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) case 1: /* not tuned yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) case 2: /* no signal/no lock*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) case 3: /* signal found and locked*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) *status = FE_HAS_SIGNAL | FE_HAS_VITERBI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) *status = FE_TIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) pr_info("%s: returned unknown value: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) __func__, result[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static int ttusbdecfe_dvbt_set_frontend(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct dtv_frontend_properties *p = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u8 b[] = { 0x00, 0x00, 0x00, 0x03,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 0x00, 0x00, 0x00, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 0x00, 0x00, 0x00, 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 0x00, 0x00, 0x00, 0xff };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) __be32 freq = htonl(p->frequency / 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) memcpy(&b[4], &freq, sizeof (u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) state->config->send_command(fe, 0x71, sizeof(b), b, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static int ttusbdecfe_dvbt_get_tune_settings(struct dvb_frontend* fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct dvb_frontend_tune_settings* fesettings)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) fesettings->min_delay_ms = 1500;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /* Drift compensation makes no sense for DVB-T */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) fesettings->step_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) fesettings->max_drift = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static int ttusbdecfe_dvbs_set_frontend(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct dtv_frontend_properties *p = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) u8 b[] = { 0x00, 0x00, 0x00, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 0x00, 0x00, 0x00, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 0x00, 0x00, 0x00, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) __be32 freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) __be32 sym_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) __be32 band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) __be32 lnb_voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) freq = htonl(p->frequency +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) (state->hi_band ? LOF_HI : LOF_LO));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) memcpy(&b[4], &freq, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) sym_rate = htonl(p->symbol_rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) memcpy(&b[12], &sym_rate, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) band = htonl(state->hi_band ? LOF_HI : LOF_LO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) memcpy(&b[24], &band, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) lnb_voltage = htonl(state->voltage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) memcpy(&b[28], &lnb_voltage, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) state->config->send_command(fe, 0x71, sizeof(b), b, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static int ttusbdecfe_dvbs_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) u8 b[] = { 0x00, 0xff, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 0x00, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (cmd->msg_len > sizeof(b) - 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) memcpy(&b[4], cmd->msg, cmd->msg_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) state->config->send_command(fe, 0x72,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) sizeof(b) - (6 - cmd->msg_len), b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static int ttusbdecfe_dvbs_set_tone(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) enum fe_sec_tone_mode tone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) state->hi_band = (SEC_TONE_ON == tone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static int ttusbdecfe_dvbs_set_voltage(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) enum fe_sec_voltage voltage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) switch (voltage) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) case SEC_VOLTAGE_13:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) state->voltage = 13;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) case SEC_VOLTAGE_18:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) state->voltage = 18;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static void ttusbdecfe_release(struct dvb_frontend* fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) kfree(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static const struct dvb_frontend_ops ttusbdecfe_dvbt_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) struct dvb_frontend* ttusbdecfe_dvbt_attach(const struct ttusbdecfe_config* config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct ttusbdecfe_state* state = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* allocate memory for the internal state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (state == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) /* setup the state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) state->config = config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) /* create dvb_frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) memcpy(&state->frontend.ops, &ttusbdecfe_dvbt_ops, sizeof(struct dvb_frontend_ops));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) state->frontend.demodulator_priv = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return &state->frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static const struct dvb_frontend_ops ttusbdecfe_dvbs_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) struct dvb_frontend* ttusbdecfe_dvbs_attach(const struct ttusbdecfe_config* config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct ttusbdecfe_state* state = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* allocate memory for the internal state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) if (state == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) /* setup the state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) state->config = config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) state->voltage = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) state->hi_band = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) /* create dvb_frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) memcpy(&state->frontend.ops, &ttusbdecfe_dvbs_ops, sizeof(struct dvb_frontend_ops));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) state->frontend.demodulator_priv = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return &state->frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static const struct dvb_frontend_ops ttusbdecfe_dvbt_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .delsys = { SYS_DVBT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .name = "TechnoTrend/Hauppauge DEC2000-t Frontend",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) .frequency_min_hz = 51 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) .frequency_max_hz = 858 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .frequency_stepsize_hz = 62500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) FE_CAN_HIERARCHY_AUTO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .release = ttusbdecfe_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) .set_frontend = ttusbdecfe_dvbt_set_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .get_tune_settings = ttusbdecfe_dvbt_get_tune_settings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .read_status = ttusbdecfe_dvbt_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static const struct dvb_frontend_ops ttusbdecfe_dvbs_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) .delsys = { SYS_DVBS },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) .info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) .name = "TechnoTrend/Hauppauge DEC3000-s Frontend",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) .frequency_min_hz = 950 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) .frequency_max_hz = 2150 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) .frequency_stepsize_hz = 125 * kHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) .symbol_rate_min = 1000000, /* guessed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) .symbol_rate_max = 45000000, /* guessed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) FE_CAN_QPSK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) .release = ttusbdecfe_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) .set_frontend = ttusbdecfe_dvbs_set_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) .read_status = ttusbdecfe_dvbs_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .diseqc_send_master_cmd = ttusbdecfe_dvbs_diseqc_send_master_cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .set_voltage = ttusbdecfe_dvbs_set_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .set_tone = ttusbdecfe_dvbs_set_tone,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) MODULE_DESCRIPTION("TTUSB DEC DVB-T/S Demodulator driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) MODULE_AUTHOR("Alex Woods/Andrew de Quincey");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) EXPORT_SYMBOL(ttusbdecfe_dvbt_attach);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) EXPORT_SYMBOL(ttusbdecfe_dvbs_attach);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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