diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-14 21:35:56 +0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 04:26:31 +0200 |
commit | 786baecfe78f8e25547c628b48a60fc8e5636056 (patch) | |
tree | bb4101ce010f55cbbfc6d93ee13b44b496a028cc /drivers/media/dvb/dvb-usb/vp702x-fe.c | |
parent | [media] firewire: move it one level up (diff) | |
download | linux-786baecfe78f8e25547c628b48a60fc8e5636056.tar.xz linux-786baecfe78f8e25547c628b48a60fc8e5636056.zip |
[media] dvb-usb: move it to drivers/media/usb/dvb-usb
As media/dvb will be removed, move it to a proper place.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-usb/vp702x-fe.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/vp702x-fe.c | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp702x-fe.c b/drivers/media/dvb/dvb-usb/vp702x-fe.c deleted file mode 100644 index 5eab468dd904..000000000000 --- a/drivers/media/dvb/dvb-usb/vp702x-fe.c +++ /dev/null @@ -1,379 +0,0 @@ -/* DVB frontend part of the Linux driver for the TwinhanDTV StarBox USB2.0 - * DVB-S receiver. - * - * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de> - * Metzler Brothers Systementwicklung GbR - * - * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de> - * - * Thanks to Twinhan who kindly provided hardware and information. - * - * This file can be removed soon, after the DST-driver is rewritten to provice - * the frontend-controlling separately. - * - * 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 "vp702x.h" - -struct vp702x_fe_state { - struct dvb_frontend fe; - struct dvb_usb_device *d; - - struct dvb_frontend_ops ops; - - fe_sec_voltage_t voltage; - fe_sec_tone_mode_t tone_mode; - - u8 lnb_buf[8]; - - u8 lock; - u8 sig; - u8 snr; - - unsigned long next_status_check; - unsigned long status_check_interval; -}; - -static int vp702x_fe_refresh_state(struct vp702x_fe_state *st) -{ - struct vp702x_device_state *dst = st->d->priv; - u8 *buf; - - if (time_after(jiffies, st->next_status_check)) { - mutex_lock(&dst->buf_mutex); - buf = dst->buf; - - vp702x_usb_in_op(st->d, READ_STATUS, 0, 0, buf, 10); - st->lock = buf[4]; - - vp702x_usb_in_op(st->d, READ_TUNER_REG_REQ, 0x11, 0, buf, 1); - st->snr = buf[0]; - - vp702x_usb_in_op(st->d, READ_TUNER_REG_REQ, 0x15, 0, buf, 1); - st->sig = buf[0]; - - mutex_unlock(&dst->buf_mutex); - st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000; - } - return 0; -} - -static u8 vp702x_chksum(u8 *buf,int f, int count) -{ - u8 s = 0; - int i; - for (i = f; i < f+count; i++) - s += buf[i]; - return ~s+1; -} - -static int vp702x_fe_read_status(struct dvb_frontend* fe, fe_status_t *status) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - vp702x_fe_refresh_state(st); - deb_fe("%s\n",__func__); - - if (st->lock == 0) - *status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI | FE_HAS_SIGNAL | FE_HAS_CARRIER; - else - *status = 0; - - if (*status & FE_HAS_LOCK) - st->status_check_interval = 1000; - else - st->status_check_interval = 250; - return 0; -} - -/* not supported by this Frontend */ -static int vp702x_fe_read_ber(struct dvb_frontend* fe, u32 *ber) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - vp702x_fe_refresh_state(st); - *ber = 0; - return 0; -} - -/* not supported by this Frontend */ -static int vp702x_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - vp702x_fe_refresh_state(st); - *unc = 0; - return 0; -} - -static int vp702x_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - vp702x_fe_refresh_state(st); - - *strength = (st->sig << 8) | st->sig; - return 0; -} - -static int vp702x_fe_read_snr(struct dvb_frontend* fe, u16 *snr) -{ - u8 _snr; - struct vp702x_fe_state *st = fe->demodulator_priv; - vp702x_fe_refresh_state(st); - - _snr = (st->snr & 0x1f) * 0xff / 0x1f; - *snr = (_snr << 8) | _snr; - return 0; -} - -static int vp702x_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) -{ - deb_fe("%s\n",__func__); - tune->min_delay_ms = 2000; - return 0; -} - -static int vp702x_fe_set_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct vp702x_fe_state *st = fe->demodulator_priv; - struct vp702x_device_state *dst = st->d->priv; - u32 freq = fep->frequency/1000; - /*CalFrequency*/ -/* u16 frequencyRef[16] = { 2, 4, 8, 16, 32, 64, 128, 256, 24, 5, 10, 20, 40, 80, 160, 320 }; */ - u64 sr; - u8 *cmd; - - mutex_lock(&dst->buf_mutex); - - cmd = dst->buf; - memset(cmd, 0, 10); - - cmd[0] = (freq >> 8) & 0x7f; - cmd[1] = freq & 0xff; - cmd[2] = 1; /* divrate == 4 -> frequencyRef[1] -> 1 here */ - - sr = (u64) (fep->symbol_rate/1000) << 20; - do_div(sr,88000); - cmd[3] = (sr >> 12) & 0xff; - cmd[4] = (sr >> 4) & 0xff; - cmd[5] = (sr << 4) & 0xf0; - - deb_fe("setting frontend to: %u -> %u (%x) LNB-based GHz, symbolrate: %d -> %lu (%lx)\n", - fep->frequency, freq, freq, fep->symbol_rate, - (unsigned long) sr, (unsigned long) sr); - -/* if (fep->inversion == INVERSION_ON) - cmd[6] |= 0x80; */ - - if (st->voltage == SEC_VOLTAGE_18) - cmd[6] |= 0x40; - -/* if (fep->symbol_rate > 8000000) - cmd[6] |= 0x20; - - if (fep->frequency < 1531000) - cmd[6] |= 0x04; - - if (st->tone_mode == SEC_TONE_ON) - cmd[6] |= 0x01;*/ - - cmd[7] = vp702x_chksum(cmd,0,7); - - st->status_check_interval = 250; - st->next_status_check = jiffies; - - vp702x_usb_inout_op(st->d, cmd, 8, cmd, 10, 100); - - if (cmd[2] == 0 && cmd[3] == 0) - deb_fe("tuning failed.\n"); - else - deb_fe("tuning succeeded.\n"); - - mutex_unlock(&dst->buf_mutex); - - return 0; -} - -static int vp702x_fe_init(struct dvb_frontend *fe) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - deb_fe("%s\n",__func__); - vp702x_usb_in_op(st->d, RESET_TUNER, 0, 0, NULL, 0); - return 0; -} - -static int vp702x_fe_sleep(struct dvb_frontend *fe) -{ - deb_fe("%s\n",__func__); - return 0; -} - -static int vp702x_fe_send_diseqc_msg (struct dvb_frontend* fe, - struct dvb_diseqc_master_cmd *m) -{ - u8 *cmd; - struct vp702x_fe_state *st = fe->demodulator_priv; - struct vp702x_device_state *dst = st->d->priv; - - deb_fe("%s\n",__func__); - - if (m->msg_len > 4) - return -EINVAL; - - mutex_lock(&dst->buf_mutex); - - cmd = dst->buf; - cmd[1] = SET_DISEQC_CMD; - cmd[2] = m->msg_len; - memcpy(&cmd[3], m->msg, m->msg_len); - cmd[7] = vp702x_chksum(cmd, 0, 7); - - vp702x_usb_inout_op(st->d, cmd, 8, cmd, 10, 100); - - if (cmd[2] == 0 && cmd[3] == 0) - deb_fe("diseqc cmd failed.\n"); - else - deb_fe("diseqc cmd succeeded.\n"); - - mutex_unlock(&dst->buf_mutex); - - return 0; -} - -static int vp702x_fe_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) -{ - deb_fe("%s\n",__func__); - return 0; -} - -static int vp702x_fe_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - struct vp702x_device_state *dst = st->d->priv; - u8 *buf; - - deb_fe("%s\n",__func__); - - st->tone_mode = tone; - - if (tone == SEC_TONE_ON) - st->lnb_buf[2] = 0x02; - else - st->lnb_buf[2] = 0x00; - - st->lnb_buf[7] = vp702x_chksum(st->lnb_buf, 0, 7); - - mutex_lock(&dst->buf_mutex); - - buf = dst->buf; - memcpy(buf, st->lnb_buf, 8); - - vp702x_usb_inout_op(st->d, buf, 8, buf, 10, 100); - if (buf[2] == 0 && buf[3] == 0) - deb_fe("set_tone cmd failed.\n"); - else - deb_fe("set_tone cmd succeeded.\n"); - - mutex_unlock(&dst->buf_mutex); - - return 0; -} - -static int vp702x_fe_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t - voltage) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - struct vp702x_device_state *dst = st->d->priv; - u8 *buf; - deb_fe("%s\n",__func__); - - st->voltage = voltage; - - if (voltage != SEC_VOLTAGE_OFF) - st->lnb_buf[4] = 0x01; - else - st->lnb_buf[4] = 0x00; - - st->lnb_buf[7] = vp702x_chksum(st->lnb_buf, 0, 7); - - mutex_lock(&dst->buf_mutex); - - buf = dst->buf; - memcpy(buf, st->lnb_buf, 8); - - vp702x_usb_inout_op(st->d, buf, 8, buf, 10, 100); - if (buf[2] == 0 && buf[3] == 0) - deb_fe("set_voltage cmd failed.\n"); - else - deb_fe("set_voltage cmd succeeded.\n"); - - mutex_unlock(&dst->buf_mutex); - return 0; -} - -static void vp702x_fe_release(struct dvb_frontend* fe) -{ - struct vp702x_fe_state *st = fe->demodulator_priv; - kfree(st); -} - -static struct dvb_frontend_ops vp702x_fe_ops; - -struct dvb_frontend * vp702x_fe_attach(struct dvb_usb_device *d) -{ - struct vp702x_fe_state *s = kzalloc(sizeof(struct vp702x_fe_state), GFP_KERNEL); - if (s == NULL) - goto error; - - s->d = d; - - memcpy(&s->fe.ops,&vp702x_fe_ops,sizeof(struct dvb_frontend_ops)); - s->fe.demodulator_priv = s; - - s->lnb_buf[1] = SET_LNB_POWER; - s->lnb_buf[3] = 0xff; /* 0=tone burst, 2=data burst, ff=off */ - - return &s->fe; -error: - return NULL; -} - - -static struct dvb_frontend_ops vp702x_fe_ops = { - .delsys = { SYS_DVBS }, - .info = { - .name = "Twinhan DST-like frontend (VP7021/VP7020) DVB-S", - .frequency_min = 950000, - .frequency_max = 2150000, - .frequency_stepsize = 1000, /* kHz for QPSK frontends */ - .frequency_tolerance = 0, - .symbol_rate_min = 1000000, - .symbol_rate_max = 45000000, - .symbol_rate_tolerance = 500, /* ppm */ - .caps = 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_QPSK | - FE_CAN_FEC_AUTO - }, - .release = vp702x_fe_release, - - .init = vp702x_fe_init, - .sleep = vp702x_fe_sleep, - - .set_frontend = vp702x_fe_set_frontend, - .get_tune_settings = vp702x_fe_get_tune_settings, - - .read_status = vp702x_fe_read_status, - .read_ber = vp702x_fe_read_ber, - .read_signal_strength = vp702x_fe_read_signal_strength, - .read_snr = vp702x_fe_read_snr, - .read_ucblocks = vp702x_fe_read_unc_blocks, - - .diseqc_send_master_cmd = vp702x_fe_send_diseqc_msg, - .diseqc_send_burst = vp702x_fe_send_diseqc_burst, - .set_tone = vp702x_fe_set_tone, - .set_voltage = vp702x_fe_set_voltage, -}; 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