diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/vp7045-fe.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/vp7045-fe.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp7045-fe.c b/drivers/media/dvb/dvb-usb/vp7045-fe.c deleted file mode 100644 index b8825b18c003..000000000000 --- a/drivers/media/dvb/dvb-usb/vp7045-fe.c +++ /dev/null @@ -1,190 +0,0 @@ -/* DVB frontend part of the Linux driver for TwinhanDTV Alpha/MagicBoxII USB2.0 - * DVB-T receiver. - * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) - * - * Thanks to Twinhan who kindly provided hardware and information. - * - * 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 "vp7045.h" - -/* It is a Zarlink MT352 within a Samsung Tuner (DNOS404ZH102A) - 040929 - AAT - * - * Programming is hidden inside the firmware, so set_frontend is very easy. - * Even though there is a Firmware command that one can use to access the demod - * via its registers. This is used for status information. - */ - -struct vp7045_fe_state { - struct dvb_frontend fe; - struct dvb_usb_device *d; -}; - -static int vp7045_fe_read_status(struct dvb_frontend* fe, fe_status_t *status) -{ - struct vp7045_fe_state *state = fe->demodulator_priv; - u8 s0 = vp7045_read_reg(state->d,0x00), - s1 = vp7045_read_reg(state->d,0x01), - s3 = vp7045_read_reg(state->d,0x03); - - *status = 0; - if (s0 & (1 << 4)) - *status |= FE_HAS_CARRIER; - if (s0 & (1 << 1)) - *status |= FE_HAS_VITERBI; - if (s0 & (1 << 5)) - *status |= FE_HAS_LOCK; - if (s1 & (1 << 1)) - *status |= FE_HAS_SYNC; - if (s3 & (1 << 6)) - *status |= FE_HAS_SIGNAL; - - if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != - (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) - *status &= ~FE_HAS_LOCK; - - return 0; -} - -static int vp7045_fe_read_ber(struct dvb_frontend* fe, u32 *ber) -{ - struct vp7045_fe_state *state = fe->demodulator_priv; - *ber = (vp7045_read_reg(state->d, 0x0D) << 16) | - (vp7045_read_reg(state->d, 0x0E) << 8) | - vp7045_read_reg(state->d, 0x0F); - return 0; -} - -static int vp7045_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) -{ - struct vp7045_fe_state *state = fe->demodulator_priv; - *unc = (vp7045_read_reg(state->d, 0x10) << 8) | - vp7045_read_reg(state->d, 0x11); - return 0; -} - -static int vp7045_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength) -{ - struct vp7045_fe_state *state = fe->demodulator_priv; - u16 signal = (vp7045_read_reg(state->d, 0x14) << 8) | - vp7045_read_reg(state->d, 0x15); - - *strength = ~signal; - return 0; -} - -static int vp7045_fe_read_snr(struct dvb_frontend* fe, u16 *snr) -{ - struct vp7045_fe_state *state = fe->demodulator_priv; - u8 _snr = vp7045_read_reg(state->d, 0x09); - *snr = (_snr << 8) | _snr; - return 0; -} - -static int vp7045_fe_init(struct dvb_frontend* fe) -{ - return 0; -} - -static int vp7045_fe_sleep(struct dvb_frontend* fe) -{ - return 0; -} - -static int vp7045_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) -{ - tune->min_delay_ms = 800; - return 0; -} - -static int vp7045_fe_set_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct vp7045_fe_state *state = fe->demodulator_priv; - u8 buf[5]; - u32 freq = fep->frequency / 1000; - - buf[0] = (freq >> 16) & 0xff; - buf[1] = (freq >> 8) & 0xff; - buf[2] = freq & 0xff; - buf[3] = 0; - - switch (fep->bandwidth_hz) { - case 8000000: - buf[4] = 8; - break; - case 7000000: - buf[4] = 7; - break; - case 6000000: - buf[4] = 6; - break; - default: - return -EINVAL; - } - - vp7045_usb_op(state->d,LOCK_TUNER_COMMAND,buf,5,NULL,0,200); - return 0; -} - -static void vp7045_fe_release(struct dvb_frontend* fe) -{ - struct vp7045_fe_state *state = fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops vp7045_fe_ops; - -struct dvb_frontend * vp7045_fe_attach(struct dvb_usb_device *d) -{ - struct vp7045_fe_state *s = kzalloc(sizeof(struct vp7045_fe_state), GFP_KERNEL); - if (s == NULL) - goto error; - - s->d = d; - memcpy(&s->fe.ops, &vp7045_fe_ops, sizeof(struct dvb_frontend_ops)); - s->fe.demodulator_priv = s; - - return &s->fe; -error: - return NULL; -} - - -static struct dvb_frontend_ops vp7045_fe_ops = { - .delsys = { SYS_DVBT }, - .info = { - .name = "Twinhan VP7045/46 USB DVB-T", - .frequency_min = 44250000, - .frequency_max = 867250000, - .frequency_stepsize = 1000, - .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 = vp7045_fe_release, - - .init = vp7045_fe_init, - .sleep = vp7045_fe_sleep, - - .set_frontend = vp7045_fe_set_frontend, - .get_tune_settings = vp7045_fe_get_tune_settings, - - .read_status = vp7045_fe_read_status, - .read_ber = vp7045_fe_read_ber, - .read_signal_strength = vp7045_fe_read_signal_strength, - .read_snr = vp7045_fe_read_snr, - .read_ucblocks = vp7045_fe_read_unc_blocks, -}; |