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Diffstat (limited to 'drivers/media/dvb/frontends/cxd2820r_c.c')
-rw-r--r--drivers/media/dvb/frontends/cxd2820r_c.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/drivers/media/dvb/frontends/cxd2820r_c.c b/drivers/media/dvb/frontends/cxd2820r_c.c
deleted file mode 100644
index ed3b0ba624de..000000000000
--- a/drivers/media/dvb/frontends/cxd2820r_c.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * Sony CXD2820R demodulator driver
- *
- * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-
-#include "cxd2820r_priv.h"
-
-int cxd2820r_set_frontend_c(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret, i;
- u8 buf[2];
- u32 if_freq;
- u16 if_ctl;
- u64 num;
- struct reg_val_mask tab[] = {
- { 0x00080, 0x01, 0xff },
- { 0x00081, 0x05, 0xff },
- { 0x00085, 0x07, 0xff },
- { 0x00088, 0x01, 0xff },
-
- { 0x00082, 0x20, 0x60 },
- { 0x1016a, 0x48, 0xff },
- { 0x100a5, 0x00, 0x01 },
- { 0x10020, 0x06, 0x07 },
- { 0x10059, 0x50, 0xff },
- { 0x10087, 0x0c, 0x3c },
- { 0x1008b, 0x07, 0xff },
- { 0x1001f, priv->cfg.if_agc_polarity << 7, 0x80 },
- { 0x10070, priv->cfg.ts_mode, 0xff },
- };
-
- dbg("%s: RF=%d SR=%d", __func__, c->frequency, c->symbol_rate);
-
- /* update GPIOs */
- ret = cxd2820r_gpio(fe);
- if (ret)
- goto error;
-
- /* program tuner */
- if (fe->ops.tuner_ops.set_params)
- fe->ops.tuner_ops.set_params(fe);
-
- if (priv->delivery_system != SYS_DVBC_ANNEX_A) {
- for (i = 0; i < ARRAY_SIZE(tab); i++) {
- ret = cxd2820r_wr_reg_mask(priv, tab[i].reg,
- tab[i].val, tab[i].mask);
- if (ret)
- goto error;
- }
- }
-
- priv->delivery_system = SYS_DVBC_ANNEX_A;
- priv->ber_running = 0; /* tune stops BER counter */
-
- /* program IF frequency */
- if (fe->ops.tuner_ops.get_if_frequency) {
- ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_freq);
- if (ret)
- goto error;
- } else
- if_freq = 0;
-
- dbg("%s: if_freq=%d", __func__, if_freq);
-
- num = if_freq / 1000; /* Hz => kHz */
- num *= 0x4000;
- if_ctl = cxd2820r_div_u64_round_closest(num, 41000);
- buf[0] = (if_ctl >> 8) & 0x3f;
- buf[1] = (if_ctl >> 0) & 0xff;
-
- ret = cxd2820r_wr_regs(priv, 0x10042, buf, 2);
- if (ret)
- goto error;
-
- ret = cxd2820r_wr_reg(priv, 0x000ff, 0x08);
- if (ret)
- goto error;
-
- ret = cxd2820r_wr_reg(priv, 0x000fe, 0x01);
- if (ret)
- goto error;
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_get_frontend_c(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret;
- u8 buf[2];
-
- ret = cxd2820r_rd_regs(priv, 0x1001a, buf, 2);
- if (ret)
- goto error;
-
- c->symbol_rate = 2500 * ((buf[0] & 0x0f) << 8 | buf[1]);
-
- ret = cxd2820r_rd_reg(priv, 0x10019, &buf[0]);
- if (ret)
- goto error;
-
- switch ((buf[0] >> 0) & 0x07) {
- case 0:
- c->modulation = QAM_16;
- break;
- case 1:
- c->modulation = QAM_32;
- break;
- case 2:
- c->modulation = QAM_64;
- break;
- case 3:
- c->modulation = QAM_128;
- break;
- case 4:
- c->modulation = QAM_256;
- break;
- }
-
- switch ((buf[0] >> 7) & 0x01) {
- case 0:
- c->inversion = INVERSION_OFF;
- break;
- case 1:
- c->inversion = INVERSION_ON;
- break;
- }
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[3], start_ber = 0;
- *ber = 0;
-
- if (priv->ber_running) {
- ret = cxd2820r_rd_regs(priv, 0x10076, buf, sizeof(buf));
- if (ret)
- goto error;
-
- if ((buf[2] >> 7) & 0x01 || (buf[2] >> 4) & 0x01) {
- *ber = (buf[2] & 0x0f) << 16 | buf[1] << 8 | buf[0];
- start_ber = 1;
- }
- } else {
- priv->ber_running = 1;
- start_ber = 1;
- }
-
- if (start_ber) {
- /* (re)start BER */
- ret = cxd2820r_wr_reg(priv, 0x10079, 0x01);
- if (ret)
- goto error;
- }
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe,
- u16 *strength)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- u16 tmp;
-
- ret = cxd2820r_rd_regs(priv, 0x10049, buf, sizeof(buf));
- if (ret)
- goto error;
-
- tmp = (buf[0] & 0x03) << 8 | buf[1];
- tmp = (~tmp & 0x03ff);
-
- if (tmp == 512)
- /* ~no signal */
- tmp = 0;
- else if (tmp > 350)
- tmp = 350;
-
- /* scale value to 0x0000-0xffff */
- *strength = tmp * 0xffff / (350-0);
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 tmp;
- unsigned int A, B;
- /* report SNR in dB * 10 */
-
- ret = cxd2820r_rd_reg(priv, 0x10019, &tmp);
- if (ret)
- goto error;
-
- if (((tmp >> 0) & 0x03) % 2) {
- A = 875;
- B = 650;
- } else {
- A = 950;
- B = 760;
- }
-
- ret = cxd2820r_rd_reg(priv, 0x1004d, &tmp);
- if (ret)
- goto error;
-
- #define CXD2820R_LOG2_E_24 24204406 /* log2(e) << 24 */
- if (tmp)
- *snr = A * (intlog2(B / tmp) >> 5) / (CXD2820R_LOG2_E_24 >> 5)
- / 10;
- else
- *snr = 0;
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks)
-{
- *ucblocks = 0;
- /* no way to read ? */
- return 0;
-}
-
-int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- *status = 0;
-
- ret = cxd2820r_rd_regs(priv, 0x10088, buf, sizeof(buf));
- if (ret)
- goto error;
-
- if (((buf[0] >> 0) & 0x01) == 1) {
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
- FE_HAS_VITERBI | FE_HAS_SYNC;
-
- if (((buf[1] >> 3) & 0x01) == 1) {
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
- FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
- }
- }
-
- dbg("%s: lock=%02x %02x", __func__, buf[0], buf[1]);
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_init_c(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
-
- ret = cxd2820r_wr_reg(priv, 0x00085, 0x07);
- if (ret)
- goto error;
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_sleep_c(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret, i;
- struct reg_val_mask tab[] = {
- { 0x000ff, 0x1f, 0xff },
- { 0x00085, 0x00, 0xff },
- { 0x00088, 0x01, 0xff },
- { 0x00081, 0x00, 0xff },
- { 0x00080, 0x00, 0xff },
- };
-
- dbg("%s", __func__);
-
- priv->delivery_system = SYS_UNDEFINED;
-
- for (i = 0; i < ARRAY_SIZE(tab); i++) {
- ret = cxd2820r_wr_reg_mask(priv, tab[i].reg, tab[i].val,
- tab[i].mask);
- if (ret)
- goto error;
- }
-
- return ret;
-error:
- dbg("%s: failed:%d", __func__, ret);
- return ret;
-}
-
-int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
- struct dvb_frontend_tune_settings *s)
-{
- s->min_delay_ms = 500;
- s->step_size = 0; /* no zigzag */
- s->max_drift = 0;
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-22 06:23:19 +0000