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path: root/drivers/media/dvb/dvb-usb/vp702x-fe.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/vp702x-fe.c')
-rw-r--r--drivers/media/dvb/dvb-usb/vp702x-fe.c379
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,
-};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-25 14:27:48 +0000