diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dtt200u-fe.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dtt200u-fe.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/drivers/media/dvb/dvb-usb/dtt200u-fe.c b/drivers/media/dvb/dvb-usb/dtt200u-fe.c deleted file mode 100644 index 3d81daa..0000000 --- a/drivers/media/dvb/dvb-usb/dtt200u-fe.c +++ /dev/null @@ -1,210 +0,0 @@ -/* Frontend part of the Linux driver for the WideView/ Yakumo/ Hama/ - * Typhoon/ Yuan DVB-T USB2.0 receiver. - * - * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation, version 2. - * - * see Documentation/dvb/README.dvb-usb for more information - */ -#include "dtt200u.h" - -struct dtt200u_fe_state { - struct dvb_usb_device *d; - - fe_status_t stat; - - struct dtv_frontend_properties fep; - struct dvb_frontend frontend; -}; - -static int dtt200u_fe_read_status(struct dvb_frontend* fe, fe_status_t *stat) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 st = GET_TUNE_STATUS, b[3]; - - dvb_usb_generic_rw(state->d,&st,1,b,3,0); - - switch (b[0]) { - case 0x01: - *stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; - break; - case 0x00: /* pending */ - *stat = FE_TIMEDOUT; /* during set_frontend */ - break; - default: - case 0x02: /* failed */ - *stat = 0; - break; - } - return 0; -} - -static int dtt200u_fe_read_ber(struct dvb_frontend* fe, u32 *ber) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_VIT_ERR_CNT,b[3]; - dvb_usb_generic_rw(state->d,&bw,1,b,3,0); - *ber = (b[0] << 16) | (b[1] << 8) | b[2]; - return 0; -} - -static int dtt200u_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_RS_UNCOR_BLK_CNT,b[2]; - - dvb_usb_generic_rw(state->d,&bw,1,b,2,0); - *unc = (b[0] << 8) | b[1]; - return 0; -} - -static int dtt200u_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_AGC, b; - dvb_usb_generic_rw(state->d,&bw,1,&b,1,0); - *strength = (b << 8) | b; - return 0; -} - -static int dtt200u_fe_read_snr(struct dvb_frontend* fe, u16 *snr) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_SNR,br; - dvb_usb_generic_rw(state->d,&bw,1,&br,1,0); - *snr = ~((br << 8) | br); - return 0; -} - -static int dtt200u_fe_init(struct dvb_frontend* fe) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 b = SET_INIT; - return dvb_usb_generic_write(state->d,&b,1); -} - -static int dtt200u_fe_sleep(struct dvb_frontend* fe) -{ - return dtt200u_fe_init(fe); -} - -static int dtt200u_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) -{ - tune->min_delay_ms = 1500; - tune->step_size = 0; - tune->max_drift = 0; - return 0; -} - -static int dtt200u_fe_set_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct dtt200u_fe_state *state = fe->demodulator_priv; - int i; - fe_status_t st; - u16 freq = fep->frequency / 250000; - u8 bwbuf[2] = { SET_BANDWIDTH, 0 },freqbuf[3] = { SET_RF_FREQ, 0, 0 }; - - switch (fep->bandwidth_hz) { - case 8000000: - bwbuf[1] = 8; - break; - case 7000000: - bwbuf[1] = 7; - break; - case 6000000: - bwbuf[1] = 6; - break; - default: - return -EINVAL; - } - - dvb_usb_generic_write(state->d,bwbuf,2); - - freqbuf[1] = freq & 0xff; - freqbuf[2] = (freq >> 8) & 0xff; - dvb_usb_generic_write(state->d,freqbuf,3); - - for (i = 0; i < 30; i++) { - msleep(20); - dtt200u_fe_read_status(fe, &st); - if (st & FE_TIMEDOUT) - continue; - } - - return 0; -} - -static int dtt200u_fe_get_frontend(struct dvb_frontend* fe) -{ - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct dtt200u_fe_state *state = fe->demodulator_priv; - memcpy(fep, &state->fep, sizeof(struct dtv_frontend_properties)); - return 0; -} - -static void dtt200u_fe_release(struct dvb_frontend* fe) -{ - struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops dtt200u_fe_ops; - -struct dvb_frontend* dtt200u_fe_attach(struct dvb_usb_device *d) -{ - struct dtt200u_fe_state* state = NULL; - - /* allocate memory for the internal state */ - state = kzalloc(sizeof(struct dtt200u_fe_state), GFP_KERNEL); - if (state == NULL) - goto error; - - deb_info("attaching frontend dtt200u\n"); - - state->d = d; - - memcpy(&state->frontend.ops,&dtt200u_fe_ops,sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = state; - - return &state->frontend; -error: - return NULL; -} - -static struct dvb_frontend_ops dtt200u_fe_ops = { - .delsys = { SYS_DVBT }, - .info = { - .name = "WideView USB DVB-T", - .frequency_min = 44250000, - .frequency_max = 867250000, - .frequency_stepsize = 250000, - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_RECOVER | - FE_CAN_HIERARCHY_AUTO, - }, - - .release = dtt200u_fe_release, - - .init = dtt200u_fe_init, - .sleep = dtt200u_fe_sleep, - - .set_frontend = dtt200u_fe_set_frontend, - .get_frontend = dtt200u_fe_get_frontend, - .get_tune_settings = dtt200u_fe_get_tune_settings, - - .read_status = dtt200u_fe_read_status, - .read_ber = dtt200u_fe_read_ber, - .read_signal_strength = dtt200u_fe_read_signal_strength, - .read_snr = dtt200u_fe_read_snr, - .read_ucblocks = dtt200u_fe_read_unc_blocks, -}; 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