/* * 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_t2(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] = { { 0x1c, 0xb3, 0x33, 0x33, 0x33 }, /* 5 MHz */ { 0x17, 0xea, 0xaa, 0xaa, 0xaa }, /* 6 MHz */ { 0x14, 0x80, 0x00, 0x00, 0x00 }, /* 7 MHz */ { 0x11, 0xf0, 0x00, 0x00, 0x00 }, /* 8 MHz */ }; struct reg_val_mask tab[] = { { 0x00080, 0x02, 0xff }, { 0x00081, 0x20, 0xff }, { 0x00085, 0x07, 0xff }, { 0x00088, 0x01, 0xff }, { 0x02069, 0x01, 0xff }, { 0x0207f, 0x2a, 0xff }, { 0x02082, 0x0a, 0xff }, { 0x02083, 0x0a, 0xff }, { 0x020cb, priv->cfg.if_agc_polarity << 6, 0x40 }, { 0x02070, priv->cfg.ts_mode, 0xff }, { 0x02071, !priv->cfg.ts_clock_inv << 6, 0x40 }, { 0x020b5, priv->cfg.spec_inv << 4, 0x10 }, { 0x02567, 0x07, 0x0f }, { 0x02569, 0x03, 0x03 }, { 0x02595, 0x1a, 0xff }, { 0x02596, 0x50, 0xff }, { 0x02a8c, 0x00, 0xff }, { 0x02a8d, 0x34, 0xff }, { 0x02a45, 0x06, 0x07 }, { 0x03f10, 0x0d, 0xff }, { 0x03f11, 0x02, 0xff }, { 0x03f12, 0x01, 0xff }, { 0x03f23, 0x2c, 0xff }, { 0x03f51, 0x13, 0xff }, { 0x03f52, 0x01, 0xff }, { 0x03f53, 0x00, 0xff }, { 0x027e6, 0x14, 0xff }, { 0x02786, 0x02, 0x07 }, { 0x02787, 0x40, 0xe0 }, { 0x027ef, 0x10, 0x18 }, }; dev_dbg(&priv->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", __func__, c->frequency, c->bandwidth_hz); switch (c->bandwidth_hz) { case 5000000: bw_i = 0; bw_param = 3; break; case 6000000: bw_i = 1; bw_param = 2; break; case 7000000: bw_i = 2; bw_param = 1; break; case 8000000: bw_i = 3; bw_param = 0; break; default: return -EINVAL; } /* program tuner */ if (fe->ops.tuner_ops.set_params) fe->ops.tuner_ops.set_params(fe); if (priv->delivery_system != SYS_DVBT2) { 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_DVBT2; /* 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; dev_dbg(&priv->i2c->dev, "%s: if_freq=%d\n", __func__, if_freq); num = if_freq / 1000; /* Hz => kHz */ num *= 0x1000000; if_ctl = DIV_ROUND_CLOSEST_ULL(num, 41000); buf[0] = ((if_ctl >> 16) & 0xff); buf[1] = ((if_ctl >> 8) & 0xff); buf[2] = ((if_ctl >> 0) & 0xff); /* PLP filtering */ if (c->stream_id > 255) { dev_dbg(&priv->i2c->dev, "%s: Disable PLP filtering\n", __func__); ret = cxd2820r_wr_reg(priv, 0x023ad , 0); if (ret) goto error; } else { dev_dbg(&priv->i2c->dev, "%s: Enable PLP filtering = %d\n", __func__, c->stream_id); ret = cxd2820r_wr_reg(priv, 0x023af , c->stream_id & 0xFF); if (ret) goto error; ret = cxd2820r_wr_reg(priv, 0x023ad , 1); if (ret) goto error; } ret = cxd2820r_wr_regs(priv, 0x020b6, buf, 3); if (ret) goto error; ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[bw_i], 5); if (ret) goto error; ret = cxd2820r_wr_reg_mask(priv, 0x020d7, bw_param << 6, 0xc0); 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: dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); return ret; } int cxd2820r_get_frontend_t2(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, 0x0205c, buf, 2); if (ret) goto error; switch ((buf[0] >> 0) & 0x07) { case 0: c->transmission_mode = TRANSMISSION_MODE_2K; break; case 1: c->transmission_mode = TRANSMISSION_MODE_8K; break; case 2: c->transmission_mode = TRANSMISSION_MODE_4K; break; case 3: c->transmission_mode = TRANSMISSION_MODE_1K; break; case 4: c->transmission_mode = TRANSMISS<style>.highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; 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