^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Frontend part of the Linux driver for the WideView/ Yakumo/ Hama/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Typhoon/ Yuan DVB-T USB2.0 receiver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@posteo.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "dtt200u.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct dtt200u_fe_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct dvb_usb_device *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) enum fe_status stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct dtv_frontend_properties fep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct dvb_frontend frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) unsigned char data[80];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct mutex data_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static int dtt200u_fe_read_status(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) enum fe_status *stat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) state->data[0] = GET_TUNE_STATUS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 3, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *stat = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) switch (state->data[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) case 0x01:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) *stat = FE_HAS_SIGNAL | FE_HAS_CARRIER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) case 0x00: /* pending */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) *stat = FE_TIMEDOUT; /* during set_frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) case 0x02: /* failed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) *stat = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return 0;
^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) static int dtt200u_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) state->data[0] = GET_VIT_ERR_CNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 3, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) *ber = (state->data[0] << 16) | (state->data[1] << 8) | state->data[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static int dtt200u_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) state->data[0] = GET_RS_UNCOR_BLK_CNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) *unc = (state->data[0] << 8) | state->data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static int dtt200u_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) state->data[0] = GET_AGC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) *strength = (state->data[0] << 8) | state->data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static int dtt200u_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) state->data[0] = GET_SNR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) *snr = ~((state->data[0] << 8) | state->data[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static int dtt200u_fe_init(struct dvb_frontend* fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) state->data[0] = SET_INIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) ret = dvb_usb_generic_write(state->d, state->data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static int dtt200u_fe_sleep(struct dvb_frontend* fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return dtt200u_fe_init(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static int dtt200u_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) tune->min_delay_ms = 1500;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) tune->step_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) tune->max_drift = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static int dtt200u_fe_set_frontend(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) u16 freq = fep->frequency / 250000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) mutex_lock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) state->data[0] = SET_BANDWIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) switch (fep->bandwidth_hz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) case 8000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) state->data[1] = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) case 7000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) state->data[1] = 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) case 6000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) state->data[1] = 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) goto ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ret = dvb_usb_generic_write(state->d, state->data, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) goto ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) state->data[0] = SET_RF_FREQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) state->data[1] = freq & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) state->data[2] = (freq >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) ret = dvb_usb_generic_write(state->d, state->data, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) goto ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) ret:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) mutex_unlock(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static int dtt200u_fe_get_frontend(struct dvb_frontend* fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct dtv_frontend_properties *fep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct dtt200u_fe_state *state = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) memcpy(fep, &state->fep, sizeof(struct dtv_frontend_properties));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static void dtt200u_fe_release(struct dvb_frontend* fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) kfree(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static const struct dvb_frontend_ops dtt200u_fe_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct dvb_frontend* dtt200u_fe_attach(struct dvb_usb_device *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct dtt200u_fe_state* state = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) /* allocate memory for the internal state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) state = kzalloc(sizeof(struct dtt200u_fe_state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (state == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) deb_info("attaching frontend dtt200u\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) state->d = d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) mutex_init(&state->data_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) memcpy(&state->frontend.ops,&dtt200u_fe_ops,sizeof(struct dvb_frontend_ops));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) state->frontend.demodulator_priv = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return &state->frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) error:
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) static const struct dvb_frontend_ops dtt200u_fe_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .delsys = { SYS_DVBT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .name = "WideView USB DVB-T",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .frequency_min_hz = 44250 * kHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .frequency_max_hz = 867250 * kHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .frequency_stepsize_hz = 250 * kHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .caps = FE_CAN_INVERSION_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) FE_CAN_TRANSMISSION_MODE_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) FE_CAN_GUARD_INTERVAL_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) FE_CAN_RECOVER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) FE_CAN_HIERARCHY_AUTO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .release = dtt200u_fe_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .init = dtt200u_fe_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .sleep = dtt200u_fe_sleep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .set_frontend = dtt200u_fe_set_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .get_frontend = dtt200u_fe_get_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .get_tune_settings = dtt200u_fe_get_tune_settings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) .read_status = dtt200u_fe_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) .read_ber = dtt200u_fe_read_ber,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .read_signal_strength = dtt200u_fe_read_signal_strength,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .read_snr = dtt200u_fe_read_snr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .read_ucblocks = dtt200u_fe_read_unc_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) };