From 9a0bf528b4d66b605f02634236da085595c22101 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 13 Aug 2012 23:13:41 -0300 Subject: [media] move the dvb/frontends to drivers/media/dvb-frontends Raise the DVB frontends one level up, as the intention is to remove the drivers/media/dvb directory. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cxd2820r_t.c | 452 ------------------------------- 1 file changed, 452 deletions(-) delete mode 100644 drivers/media/dvb/frontends/cxd2820r_t.c (limited to 'drivers/media/dvb/frontends/cxd2820r_t.c') diff --git a/drivers/media/dvb/frontends/cxd2820r_t.c b/drivers/media/dvb/frontends/cxd2820r_t.c deleted file mode 100644 index e5dd22bc16be..000000000000 --- a/drivers/media/dvb/frontends/cxd2820r_t.c +++ /dev/null @@ -1,452 +0,0 @@ -/* - * Sony CXD2820R demodulator driver - * - * Copyright (C) 2010 Antti Palosaari - * - * 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_t(struct dvb_frontend *fe) -{ - struct cxd2820r_priv *priv = fe->demodulator_priv; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret, i, bw_i; - u32 if_freq, if_ctl; - u64 num; - u8 buf[3], bw_param; - u8 bw_params1[][5] = { - { 0x17, 0xea, 0xaa, 0xaa, 0xaa }, /* 6 MHz */ - { 0x14, 0x80, 0x00, 0x00, 0x00 }, /* 7 MHz */ - { 0x11, 0xf0, 0x00, 0x00, 0x00 }, /* 8 MHz */ - }; - u8 bw_params2[][2] = { - { 0x1f, 0xdc }, /* 6 MHz */ - { 0x12, 0xf8 }, /* 7 MHz */ - { 0x01, 0xe0 }, /* 8 MHz */ - }; - struct reg_val_mask tab[] = { - { 0x00080, 0x00, 0xff }, - { 0x00081, 0x03, 0xff }, - { 0x00085, 0x07, 0xff }, - { 0x00088, 0x01, 0xff }, - - { 0x00070, priv->cfg.ts_mode, 0xff }, - { 0x000cb, priv->cfg.if_agc_polarity << 6, 0x40 }, - { 0x000a5, 0x00, 0x01 }, - { 0x00082, 0x20, 0x60 }, - { 0x000c2, 0xc3, 0xff }, - { 0x0016a, 0x50, 0xff }, - { 0x00427, 0x41, 0xff }, - }; - - dbg("%s: RF=%d BW=%d", __func__, c->frequency, c->bandwidth_hz); - - switch (c->bandwidth_hz) { - case 6000000: - bw_i = 0; - bw_param = 2; - break; - case 7000000: - bw_i = 1; - bw_param = 1; - break; - case 8000000: - bw_i = 2; - bw_param = 0; - break; - default: - return -EINVAL; - } - - /* 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_DVBT) { - 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_DVBT; - 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 *= 0x1000000; - if_ctl = cxd2820r_div_u64_round_closest(num, 41000); - buf[0] = ((if_ctl >> 16) & 0xff); - buf[1] = ((if_ctl >> 8) & 0xff); - buf[2] = ((if_ctl >> 0) & 0xff); - - ret = cxd2820r_wr_regs(priv, 0x000b6, buf, 3); - if (ret) - goto error; - - ret = cxd2820r_wr_regs(priv, 0x0009f, bw_params1[bw_i], 5); - if (ret) - goto error; - - ret = cxd2820r_wr_reg_mask(priv, 0x000d7, bw_param << 6, 0xc0); - if (ret) - goto error; - - ret = cxd2820r_wr_regs(priv, 0x000d9, bw_params2[bw_i], 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_t(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, 0x0002f, buf, sizeof(buf)); - if (ret) - goto error; - - switch ((buf[0] >> 6) & 0x03) { - case 0: - c->modulation = QPSK; - break; - case 1: - c->modulation = QAM_16; - break; - case 2: - c->modulation = QAM_64; - break; - } - - switch ((buf[1] >> 1) & 0x03) { - case 0: - c->transmission_mode = TRANSMISSION_MODE_2K; - break; - case 1: - c->transmission_mode = TRANSMISSION_MODE_8K; - break; - } - - switch ((buf[1] >> 3) & 0x03) { - case 0: - c->guard_interval = GUARD_INTERVAL_1_32; - break; - case 1: - c->guard_interval = GUARD_INTERVAL_1_16; - break; - case 2: - c->guard_interval = GUARD_INTERVAL_1_8; - break; - case 3: - c->guard_interval = GUARD_INTERVAL_1_4; - break; - } - - switch ((buf[0] >> 3) & 0x07) { - case 0: - c->hierarchy = HIERARCHY_NONE; - break; - case 1: - c->hierarchy = HIERARCHY_1; - break; - case 2: - c->hierarchy = HIERARCHY_2; - break; - case 3: - c->hierarchy = HIERARCHY_4; - break; - } - - switch ((buf[0] >> 0) & 0x07) { - case 0: - c->code_rate_HP = FEC_1_2; - break; - case 1: - c->code_rate_HP = FEC_2_3; - break; - case 2: - c->code_rate_HP = FEC_3_4; - break; - case 3: - c->code_rate_HP = FEC_5_6; - break; - case 4: - c->code_rate_HP = FEC_7_8; - break; - } - - switch ((buf[1] >> 5) & 0x07) { - case 0: - c->code_rate_LP = FEC_1_2; - break; - case 1: - c->code_rate_LP = FEC_2_3; - break; - case 2: - c->code_rate_LP = FEC_3_4; - break; - case 3: - c->code_rate_LP = FEC_5_6; - break; - case 4: - c->code_rate_LP = FEC_7_8; - break; - } - - ret = cxd2820r_rd_reg(priv, 0x007c6, &buf[0]); - if (ret) - goto error; - - switch ((buf[0] >> 0) & 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_t(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, 0x00076, 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, 0x00079, 0x01); - if (ret) - goto error; - } - - return ret; -error: - dbg("%s: failed:%d", __func__, ret); - return ret; -} - -int cxd2820r_read_signal_strength_t(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, 0x00026, buf, sizeof(buf)); - if (ret) - goto error; - - tmp = (buf[0] & 0x0f) << 8 | buf[1]; - tmp = ~tmp & 0x0fff; - - /* scale value to 0x0000-0xffff from 0x0000-0x0fff */ - *strength = tmp * 0xffff / 0x0fff; - - return ret; -error: - dbg("%s: failed:%d", __func__, ret); - return ret; -} - -int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr) -{ - struct cxd2820r_priv *priv = fe->demodulator_priv; - int ret; - u8 buf[2]; - u16 tmp; - /* report SNR in dB * 10 */ - - ret = cxd2820r_rd_regs(priv, 0x00028, buf, sizeof(buf)); - if (ret) - goto error; - - tmp = (buf[0] & 0x1f) << 8 | buf[1]; - #define CXD2820R_LOG10_8_24 15151336 /* log10(8) << 24 */ - if (tmp) - *snr = (intlog10(tmp) - CXD2820R_LOG10_8_24) / ((1 << 24) - / 100); - else - *snr = 0; - - dbg("%s: dBx10=%d val=%04x", __func__, *snr, tmp); - - return ret; -error: - dbg("%s: failed:%d", __func__, ret); - return ret; -} - -int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks) -{ - *ucblocks = 0; - /* no way to read ? */ - return 0; -} - -int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status) -{ - struct cxd2820r_priv *priv = fe->demodulator_priv; - int ret; - u8 buf[4]; - *status = 0; - - ret = cxd2820r_rd_reg(priv, 0x00010, &buf[0]); - if (ret) - goto error; - - if ((buf[0] & 0x07) == 6) { - ret = cxd2820r_rd_reg(priv, 0x00073, &buf[1]); - if (ret) - goto error; - - if (((buf[1] >> 3) & 0x01) == 1) { - *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; - } else { - *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC; - } - } else { - ret = cxd2820r_rd_reg(priv, 0x00014, &buf[2]); - if (ret) - goto error; - - if ((buf[2] & 0x0f) >= 4) { - ret = cxd2820r_rd_reg(priv, 0x00a14, &buf[3]); - if (ret) - goto error; - - if (((buf[3] >> 4) & 0x01) == 1) - *status |= FE_HAS_SIGNAL; - } - } - - dbg("%s: lock=%*ph", __func__, 4, buf); - - return ret; -error: - dbg("%s: failed:%d", __func__, ret); - return ret; -} - -int cxd2820r_init_t(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_t(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_t(struct dvb_frontend *fe, - struct dvb_frontend_tune_settings *s) -{ - s->min_delay_ms = 500; - s->step_size = fe->ops.info.frequency_stepsize * 2; - s->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1; - - return 0; -} -- cgit v1.2.3