* [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver
@ 2011-12-14 22:57 Antti Palosaari
2011-12-20 13:39 ` Mauro Carvalho Chehab
0 siblings, 1 reply; 11+ messages in thread
From: Antti Palosaari @ 2011-12-14 22:57 UTC (permalink / raw)
To: Mauro Carvalho Chehab, linux-media
Mauro,
Please PULL that new driver to the Kernel 3.3!
Antti
The following changes since commit 6dbc13e364ad49deb9dd93c4ab84af53ffb52435:
mxl5007t: implement .get_if_frequency() (2011-10-10 00:57:07 +0300)
are available in the git repository at:
git://linuxtv.org/anttip/media_tree.git hdic
Antti Palosaari (1):
HDIC HD29L2 DMB-TH demodulator driver
drivers/media/dvb/frontends/Kconfig | 7 +
drivers/media/dvb/frontends/Makefile | 1 +
drivers/media/dvb/frontends/hd29l2.c | 863
+++++++++++++++++++++++++++++
drivers/media/dvb/frontends/hd29l2.h | 66 +++
drivers/media/dvb/frontends/hd29l2_priv.h | 314 +++++++++++
5 files changed, 1251 insertions(+), 0 deletions(-)
create mode 100644 drivers/media/dvb/frontends/hd29l2.c
create mode 100644 drivers/media/dvb/frontends/hd29l2.h
create mode 100644 drivers/media/dvb/frontends/hd29l2_priv.h
--
http://palosaari.fi/
^ permalink raw reply [flat|nested] 11+ messages in thread* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver 2011-12-14 22:57 [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver Antti Palosaari @ 2011-12-20 13:39 ` Mauro Carvalho Chehab 2011-12-20 14:52 ` Antti Palosaari 0 siblings, 1 reply; 11+ messages in thread From: Mauro Carvalho Chehab @ 2011-12-20 13:39 UTC (permalink / raw) To: Antti Palosaari; +Cc: linux-media On 14-12-2011 20:57, Antti Palosaari wrote: > Mauro, > > Please PULL that new driver to the Kernel 3.3! > > Antti > > The following changes since commit 6dbc13e364ad49deb9dd93c4ab84af53ffb52435: > > mxl5007t: implement .get_if_frequency() (2011-10-10 00:57:07 +0300) > > are available in the git repository at: > git://linuxtv.org/anttip/media_tree.git hdic > > Antti Palosaari (1): > HDIC HD29L2 DMB-TH demodulator driver > From: Antti Palosaari <crope@iki.fi> > Date: Mon, 7 Nov 2011 01:01:13 +0200 > Subject: HDIC HD29L2 DMB-TH demodulator driver > > Signed-off-by: Antti Palosaari <crope@iki.fi> > --- > drivers/media/dvb/frontends/Kconfig | 7 + > drivers/media/dvb/frontends/Makefile | 1 + > drivers/media/dvb/frontends/hd29l2.c | 863 +++++++++++++++++++++++++++++ > drivers/media/dvb/frontends/hd29l2.h | 66 +++ > drivers/media/dvb/frontends/hd29l2_priv.h | 314 +++++++++++ > 5 files changed, 1251 insertions(+), 0 deletions(-) > create mode 100644 drivers/media/dvb/frontends/hd29l2.c > create mode 100644 drivers/media/dvb/frontends/hd29l2.h > create mode 100644 drivers/media/dvb/frontends/hd29l2_priv.h > > diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig > index 4a2d2e6..ebb5ed7 100644 > --- a/drivers/media/dvb/frontends/Kconfig > +++ b/drivers/media/dvb/frontends/Kconfig > @@ -404,6 +404,13 @@ config DVB_EC100 > help > Say Y when you want to support this frontend. > > +config DVB_HD29L2 > + tristate "HDIC HD29L2" > + depends on DVB_CORE && I2C > + default m if DVB_FE_CUSTOMISE > + help > + Say Y when you want to support this frontend. > + > config DVB_STV0367 > tristate "ST STV0367 based" > depends on DVB_CORE && I2C > diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile > index f639f67..00a2063 100644 > --- a/drivers/media/dvb/frontends/Makefile > +++ b/drivers/media/dvb/frontends/Makefile > @@ -84,6 +84,7 @@ obj-$(CONFIG_DVB_STV090x) += stv090x.o > obj-$(CONFIG_DVB_STV6110x) += stv6110x.o > obj-$(CONFIG_DVB_ISL6423) += isl6423.o > obj-$(CONFIG_DVB_EC100) += ec100.o > +obj-$(CONFIG_DVB_HD29L2) += hd29l2.o > obj-$(CONFIG_DVB_DS3000) += ds3000.o > obj-$(CONFIG_DVB_MB86A16) += mb86a16.o > obj-$(CONFIG_DVB_MB86A20S) += mb86a20s.o > diff --git a/drivers/media/dvb/frontends/hd29l2.c b/drivers/media/dvb/frontends/hd29l2.c > new file mode 100644 > index 0000000..a85ed47 > --- /dev/null > +++ b/drivers/media/dvb/frontends/hd29l2.c > @@ -0,0 +1,863 @@ > +/* > + * HDIC HD29L2 DMB-TH demodulator driver > + * > + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D > + * > + * Author: 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., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#include "hd29l2_priv.h" > + > +int hd29l2_debug; > +module_param_named(debug, hd29l2_debug, int, 0644); > +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); > + > +/* write multiple registers */ > +static int hd29l2_wr_regs(struct hd29l2_priv *priv, u8 reg, u8 *val, int len) > +{ > + int ret; > + u8 buf[2+len]; CodingStyle. It should be, instead: u8 buf[2 + len] > + struct i2c_msg msg[1] = { > + { > + .addr = priv->cfg.i2c_addr, > + .flags = 0, > + .len = sizeof(buf), > + .buf = buf, > + } > + }; > + > + buf[0] = 0x00; > + buf[1] = reg; > + memcpy(&buf[2], val, len); > + > + ret = i2c_transfer(priv->i2c, msg, 1); > + if (ret == 1) { > + ret = 0; > + } else { > + warn("i2c wr failed=%d reg=%02x len=%d", ret, reg, len); > + ret = -EREMOTEIO; > + } > + > + return ret; > +} > + > +/* read multiple registers */ > +static int hd29l2_rd_regs(struct hd29l2_priv *priv, u8 reg, u8 *val, int len) > +{ > + int ret; > + u8 buf[2] = { 0x00, reg }; > + struct i2c_msg msg[2] = { > + { > + .addr = priv->cfg.i2c_addr, > + .flags = 0, > + .len = 2, > + .buf = buf, > + }, { > + .addr = priv->cfg.i2c_addr, > + .flags = I2C_M_RD, > + .len = len, > + .buf = val, > + } > + }; > + > + ret = i2c_transfer(priv->i2c, msg, 2); > + if (ret == 2) { > + ret = 0; > + } else { > + warn("i2c rd failed=%d reg=%02x len=%d", ret, reg, len); > + ret = -EREMOTEIO; > + } > + > + return ret; > +} > + > +/* write single register */ > +static int hd29l2_wr_reg(struct hd29l2_priv *priv, u8 reg, u8 val) > +{ > + return hd29l2_wr_regs(priv, reg, &val, 1); > +} > + > +/* read single register */ > +static int hd29l2_rd_reg(struct hd29l2_priv *priv, u8 reg, u8 *val) > +{ > + return hd29l2_rd_regs(priv, reg, val, 1); > +} > + > +/* write single register with mask */ > +static int hd29l2_wr_reg_mask(struct hd29l2_priv *priv, u8 reg, u8 val, u8 mask) > +{ > + int ret; > + u8 tmp; > + > + /* no need for read if whole reg is written */ > + if (mask != 0xff) { > + ret = hd29l2_rd_regs(priv, reg, &tmp, 1); > + if (ret) > + return ret; > + > + val &= mask; > + tmp &= ~mask; > + val |= tmp; > + } > + > + return hd29l2_wr_regs(priv, reg, &val, 1); > +} > + > +/* read single register with mask */ > +int hd29l2_rd_reg_mask(struct hd29l2_priv *priv, u8 reg, u8 *val, u8 mask) > +{ > + int ret, i; > + u8 tmp; > + > + ret = hd29l2_rd_regs(priv, reg, &tmp, 1); > + if (ret) > + return ret; > + > + tmp &= mask; > + > + /* find position of the first bit */ > + for (i = 0; i < 8; i++) { > + if ((mask >> i) & 0x01) > + break; > + } Don't re-invent the wheel. Instead, please use the existing macros for it, defined at linux/bitmap.h. In this case, it should likely be: find_first_bit() > + *val = tmp >> i; > + > + return 0; > +} > + > +static int hd29l2_soft_reset(struct hd29l2_priv *priv) > +{ > + int ret; > + u8 tmp; > + > + ret = hd29l2_rd_reg(priv, 0x26, &tmp); > + if (ret) > + goto err; > + > + ret = hd29l2_wr_reg(priv, 0x26, 0x0d); > + if (ret) > + goto err; > + > + usleep_range(10000, 20000); > + > + ret = hd29l2_wr_reg(priv, 0x26, tmp); > + if (ret) > + goto err; > + > + return 0; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) > +{ > + int ret, i; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + u8 tmp; > + > + dbg("%s: enable=%d", __func__, enable); > + > + /* set tuner address for demod */ > + if (!priv->tuner_i2c_addr_programmed && enable) { > + /* no need to set tuner address every time, once is enough */ > + ret = hd29l2_wr_reg(priv, 0x9d, priv->cfg.tuner_i2c_addr << 1); > + if (ret) > + goto err; > + > + priv->tuner_i2c_addr_programmed = true; > + } > + > + /* open / close gate */ > + ret = hd29l2_wr_reg(priv, 0x9f, enable); > + if (ret) > + goto err; > + > + /* wait demod ready */ > + for (i = 10; i; i--) { > + ret = hd29l2_rd_reg(priv, 0x9e, &tmp); > + if (ret) > + goto err; > + > + if (tmp == enable) > + break; > + > + usleep_range(5000, 10000); > + } > + > + dbg("%s: loop=%d", __func__, i); > + > + return ret; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_read_status(struct dvb_frontend *fe, fe_status_t *status) > +{ > + int ret; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + u8 buf[2]; > + > + *status = 0; > + > + ret = hd29l2_rd_reg(priv, 0x05, &buf[0]); > + if (ret) > + goto err; > + > + if (buf[0] & 0x01) { > + /* full lock */ > + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | > + FE_HAS_SYNC | FE_HAS_LOCK; > + } else { > + ret = hd29l2_rd_reg(priv, 0x0d, &buf[1]); > + if (ret) > + goto err; > + > + if ((buf[1] & 0xfe) == 0x78) > + /* partial lock */ > + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | > + FE_HAS_VITERBI | FE_HAS_SYNC; > + } > + > + priv->fe_status = *status; > + > + return 0; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_read_snr(struct dvb_frontend *fe, u16 *snr) > +{ > + int ret; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + u8 buf[2]; > + u16 tmp; > + > + if (!(priv->fe_status & FE_HAS_LOCK)) { > + *snr = 0; > + ret = 0; > + goto err; > + } > + > + ret = hd29l2_rd_regs(priv, 0x0b, buf, 2); > + if (ret) > + goto err; > + > + tmp = (buf[0] << 8) | buf[1]; > + > + /* report SNR in dB * 10 */ > + #define LOG10_20736_24 72422627 /* log10(20736) << 24 */ > + if (tmp) > + *snr = (LOG10_20736_24 - intlog10(tmp)) / ((1 << 24) / 100); > + else > + *snr = 0; > + > + return 0; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_read_signal_strength(struct dvb_frontend *fe, u16 *strength) > +{ > + int ret; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + u8 buf[2]; > + u16 tmp; > + > + *strength = 0; > + > + ret = hd29l2_rd_regs(priv, 0xd5, buf, 2); > + if (ret) > + goto err; > + > + tmp = buf[0] << 8 | buf[1]; > + tmp = ~tmp & 0x0fff; > + > + /* scale value to 0x0000-0xffff from 0x0000-0x0fff */ > + *strength = tmp * 0xffff / 0x0fff; > + > + return 0; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_read_ber(struct dvb_frontend *fe, u32 *ber) > +{ > + int ret; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + u8 buf[2]; > + > + if (!(priv->fe_status & FE_HAS_SYNC)) { > + *ber = 0; > + ret = 0; > + goto err; > + } > + > + ret = hd29l2_rd_regs(priv, 0xd9, buf, 2); > + if (ret) { > + *ber = 0; > + goto err; > + } > + > + /* LDPC BER */ > + *ber = ((buf[0] & 0x0f) << 8) | buf[1]; > + > + return 0; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) > +{ > + /* no way to read? */ > + *ucblocks = 0; > + return 0; > +} > + > +static enum dvbfe_search hd29l2_search(struct dvb_frontend *fe, > + struct dvb_frontend_parameters *p) > +{ > + int ret, i; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + struct dtv_frontend_properties *c = &fe->dtv_property_cache; > + u8 tmp, buf[3]; > + u8 modulation, carrier, guard_interval, interleave, code_rate; > + u64 num64; > + u32 if_freq, if_ctl; > + bool auto_mode; > + > + dbg("%s: delivery_system=%d frequency=%d bandwidth_hz=%d " \ > + "modulation=%d inversion=%d fec_inner=%d guard_interval=%d", > + __func__, > + c->delivery_system, c->frequency, c->bandwidth_hz, > + c->modulation, c->inversion, c->fec_inner, c->guard_interval); > + > + /* as for now we detect always params automatically */ > + auto_mode = true; > + > + /* program tuner */ > + if (fe->ops.tuner_ops.set_params) > + fe->ops.tuner_ops.set_params(fe, p); > + > + /* get and program IF */ > + if (fe->ops.tuner_ops.get_if_frequency) > + fe->ops.tuner_ops.get_if_frequency(fe, &if_freq); > + else > + if_freq = 0; > + > + if (if_freq) { > + /* normal IF */ > + > + /* calc IF control value */ > + num64 = if_freq; > + num64 *= 0x800000; > + num64 = div_u64(num64, HD29L2_XTAL); > + num64 -= 0x800000; > + if_ctl = num64; > + > + tmp = 0xfc; /* tuner type normal */ > + } else { > + /* zero IF */ > + if_ctl = 0; > + tmp = 0xfe; /* tuner type Zero-IF */ > + } > + > + buf[0] = ((if_ctl >> 0) & 0xff); > + buf[1] = ((if_ctl >> 8) & 0xff); > + buf[2] = ((if_ctl >> 16) & 0xff); > + > + /* program IF control */ > + ret = hd29l2_wr_regs(priv, 0x14, buf, 3); > + if (ret) > + goto err; > + > + /* program tuner type */ > + ret = hd29l2_wr_reg(priv, 0xab, tmp); > + if (ret) > + goto err; > + > + dbg("%s: if_ctl=%x", __func__, if_ctl); > + > + if (auto_mode) { > + /* > + * use auto mode > + */ > + > + /* disable quick mode */ > + ret = hd29l2_wr_reg_mask(priv, 0xac, 0 << 7, 0x80); > + if (ret) > + goto err; > + > + ret = hd29l2_wr_reg_mask(priv, 0x82, 1 << 1, 0x02); > + if (ret) > + goto err; > + > + /* enable auto mode */ > + ret = hd29l2_wr_reg_mask(priv, 0x7d, 1 << 6, 0x40); > + if (ret) > + goto err; > + > + ret = hd29l2_wr_reg_mask(priv, 0x81, 1 << 3, 0x08); > + if (ret) > + goto err; > + > + /* soft reset */ > + ret = hd29l2_soft_reset(priv); > + if (ret) > + goto err; > + > + /* detect modulation */ > + for (i = 30; i; i--) { > + msleep(100); > + > + ret = hd29l2_rd_reg(priv, 0x0d, &tmp); > + if (ret) > + goto err; > + > + if ((((tmp & 0xf0) >= 0x10) && > + ((tmp & 0x0f) == 0x08)) || (tmp >= 0x2c)) > + break; > + } > + > + dbg("%s: loop=%d", __func__, i); > + > + if (i == 0) > + /* detection failed */ > + return DVBFE_ALGO_SEARCH_FAILED; > + > + /* read modulation */ > + ret = hd29l2_rd_reg_mask(priv, 0x7d, &modulation, 0x07); > + if (ret) > + goto err; > + } else { > + /* > + * use manual mode > + */ > + > + modulation = HD29L2_QAM64; > + carrier = HD29L2_CARRIER_MULTI; > + guard_interval = HD29L2_PN945; > + interleave = HD29L2_INTERLEAVER_420; > + code_rate = HD29L2_CODE_RATE_08; Hmm... all DMB-TH properties are already available at the DVB core? It would be great if you could document what properties are valid for this delivery system at the DocBook specs. > + > + tmp = (code_rate << 3) | modulation; > + ret = hd29l2_wr_reg_mask(priv, 0x7d, tmp, 0x5f); > + if (ret) > + goto err; > + > + tmp = (carrier << 2) | guard_interval; > + ret = hd29l2_wr_reg_mask(priv, 0x81, tmp, 0x0f); > + if (ret) > + goto err; > + > + tmp = interleave; > + ret = hd29l2_wr_reg_mask(priv, 0x82, tmp, 0x03); > + if (ret) > + goto err; > + } > + > + /* ensure modulation validy */ > + /* 0=QAM4_NR, 1=QAM4, 2=QAM16, 3=QAM32, 4=QAM64 */ > + if (modulation > 4) { Please, don't use magic values. Instead, it should be something like: ARRAY_SIZE(reg_mod_vals_tab[0].val) Still, I don't understand why modulation should be QAM64 when the auto_mode is disabled. Shouldn't it be provided via a DVB property? > + dbg("%s: modulation=%d not valid", __func__, modulation); > + goto err; > + } > + > + /* program registers according to modulation */ > + for (i = 0; i < ARRAY_SIZE(reg_mod_vals_tab); i++) { > + ret = hd29l2_wr_reg(priv, reg_mod_vals_tab[i].reg, > + reg_mod_vals_tab[i].val[modulation]); > + if (ret) > + goto err; > + } > + > + /* read guard interval */ > + ret = hd29l2_rd_reg_mask(priv, 0x81, &guard_interval, 0x03); > + if (ret) > + goto err; > + > + /* read carrier mode */ > + ret = hd29l2_rd_reg_mask(priv, 0x81, &carrier, 0x04); > + if (ret) > + goto err; > + > + dbg("%s: modulation=%d guard_interval=%d carrier=%d", > + __func__, modulation, guard_interval, carrier); > + > + if ((carrier == HD29L2_CARRIER_MULTI) && (modulation == HD29L2_QAM64) && > + (guard_interval == HD29L2_PN945)) { > + dbg("%s: C=3780 && QAM64 && PN945", __func__); > + > + ret = hd29l2_wr_reg(priv, 0x42, 0x33); > + if (ret) > + goto err; > + > + ret = hd29l2_wr_reg(priv, 0xdd, 0x01); > + if (ret) > + goto err; > + } > + > + usleep_range(10000, 20000); > + > + /* soft reset */ > + ret = hd29l2_soft_reset(priv); > + if (ret) > + goto err; > + > + /* wait demod lock */ > + for (i = 30; i; i--) { > + msleep(100); > + > + /* read lock bit */ > + ret = hd29l2_rd_reg_mask(priv, 0x05, &tmp, 0x01); > + if (ret) > + goto err; > + > + if (tmp) > + break; > + } > + > + dbg("%s: loop=%d", __func__, i); > + > + if (i == 0) > + return DVBFE_ALGO_SEARCH_AGAIN; > + > + return DVBFE_ALGO_SEARCH_SUCCESS; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return DVBFE_ALGO_SEARCH_ERROR; > +} > + > +static int hd29l2_get_frontend_algo(struct dvb_frontend *fe) > +{ > + return DVBFE_ALGO_CUSTOM; > +} > + > +static int hd29l2_get_frontend(struct dvb_frontend *fe, > + struct dvb_frontend_parameters *p) > +{ > + int ret; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + struct dtv_frontend_properties *c = &fe->dtv_property_cache; > + u8 buf[3]; > + u32 if_ctl; > + char *str_constellation, *str_code_rate, *str_constellation_code_rate, > + *str_guard_interval, *str_carrier, *str_guard_interval_carrier, > + *str_interleave, *str_interleave_; > + > + ret = hd29l2_rd_reg(priv, 0x7d, &buf[0]); > + if (ret) > + goto err; > + > + ret = hd29l2_rd_regs(priv, 0x81, &buf[1], 2); > + if (ret) > + goto err; > + > + /* constellation, 0x7d[2:0] */ > + switch ((buf[0] >> 0) & 0x07) { > + case 0: /* QAM4NR */ > + str_constellation = "QAM4NR"; > + c->modulation = QAM_AUTO; /* FIXME */ Please, don't abuse QAM_AUTO. > + break; > + case 1: /* QAM4 */ > + str_constellation = "QAM4"; > + c->modulation = QPSK; /* FIXME */ QPSK and QAM4 are two names for the same encoding. > + break; > + case 2: > + str_constellation = "QAM16"; > + c->modulation = QAM_16; > + break; > + case 3: > + str_constellation = "QAM32"; > + c->modulation = QAM_32; > + break; > + case 4: > + str_constellation = "QAM64"; > + c->modulation = QAM_64; > + break; Please, avoid magic numbers. Instead, use macros for each value. > + default: > + str_constellation = "?"; > + } > + > + /* LDPC code rate, 0x7d[4:3] */ > + switch ((buf[0] >> 3) & 0x03) { > + case 0: /* 0.4 */ > + str_code_rate = "0.4"; > + c->fec_inner = FEC_AUTO; /* FIXME */ Also, please don't abuse FEC_AUTO. Should likely be FEC_2_5, and you'll likely need to add it to the API. > + break; > + case 1: /* 0.6 */ > + str_code_rate = "0.6"; > + c->fec_inner = FEC_3_5; > + break; > + case 2: /* 0.8 */ > + str_code_rate = "0.8"; > + c->fec_inner = FEC_4_5; > + break; > + default: > + str_code_rate = "?"; > + } > + > + /* constellation & code rate set, 0x7d[6] */ > + switch ((buf[0] >> 6) & 0x01) { > + case 0: > + str_constellation_code_rate = "manual"; > + break; > + case 1: > + str_constellation_code_rate = "auto"; > + break; > + default: > + str_constellation_code_rate = "?"; > + } > + > + /* frame header, 0x81[1:0] */ > + switch ((buf[1] >> 0) & 0x03) { > + case 0: /* PN945 */ > + str_guard_interval = "PN945"; > + c->guard_interval = GUARD_INTERVAL_AUTO; /* FIXME */ > + break; > + case 1: /* PN595 */ > + str_guard_interval = "PN595"; > + c->guard_interval = GUARD_INTERVAL_AUTO; /* FIXME */ > + break; > + case 2: /* PN420 */ > + str_guard_interval = "PN420"; > + c->guard_interval = GUARD_INTERVAL_AUTO; /* FIXME */ > + break; Again, don't abuse over the API. Instead, add the proper guard intervals into it. > + default: > + str_guard_interval = "?"; > + } > + > + /* carrier, 0x81[2] */ > + switch ((buf[1] >> 2) & 0x01) { > + case 0: > + str_carrier = "C=1"; > + break; > + case 1: > + str_carrier = "C=3780"; > + break; > + default: > + str_carrier = "?"; > + } Probably, API needs to support it. I'm not familiar with DMB specs, but I think you need to first send a patch adding support for it at the DocBook and linux/dvb/frontends.h, and then add the driver. > + > + /* frame header & carrier set, 0x81[3] */ > + switch ((buf[1] >> 3) & 0x01) { > + case 0: > + str_guard_interval_carrier = "manual"; > + break; > + case 1: > + str_guard_interval_carrier = "auto"; > + break; > + default: > + str_guard_interval_carrier = "?"; > + } > + > + /* interleave, 0x82[0] */ > + switch ((buf[2] >> 0) & 0x01) { > + case 0: > + str_interleave = "M=720"; > + break; > + case 1: > + str_interleave = "M=240"; > + break; > + default: > + str_interleave = "?"; > + } > + > + /* interleave set, 0x82[1] */ > + switch ((buf[2] >> 1) & 0x01) { > + case 0: > + str_interleave_ = "manual"; > + break; > + case 1: > + str_interleave_ = "auto"; > + break; > + default: > + str_interleave_ = "?"; > + } > + > + /* > + * We can read out current detected NCO and use that value next > + * time instead of calculating new value from targed IF. > + * I think it will not effect receiver sensitivity but gaining lock > + * after tune could be easier... > + */ > + ret = hd29l2_rd_regs(priv, 0xb1, &buf[0], 3); > + if (ret) > + goto err; > + > + if_ctl = (buf[0] << 16) | ((buf[1] - 7) << 8) | buf[2]; > + > + dbg("%s: %s %s %s | %s %s %s | %s %s | NCO=%06x", __func__, > + str_constellation, str_code_rate, str_constellation_code_rate, > + str_guard_interval, str_carrier, str_guard_interval_carrier, > + str_interleave, str_interleave_, if_ctl); > + > + return 0; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static int hd29l2_init(struct dvb_frontend *fe) > +{ > + int ret, i; > + struct hd29l2_priv *priv = fe->demodulator_priv; > + u8 tmp; > + static const struct reg_val tab[] = { > + { 0x3a, 0x06 }, > + { 0x3b, 0x03 }, > + { 0x3c, 0x04 }, > + { 0xaf, 0x06 }, > + { 0xb0, 0x1b }, > + { 0x80, 0x64 }, > + { 0x10, 0x38 }, > + }; > + > + dbg("%s:", __func__); > + > + /* reset demod */ > + /* it is recommended to HW reset chip using RST_N pin */ > + if (fe->callback) { > + ret = fe->callback(fe, 0, 0, 0); This looks weird on my eyes. The fe->callback is tuner-dependent. So, the command you should use there requires a test for the tuner type. In other words, if you're needing to use it, the code should be doing something similar to: if (fe->callback && priv->tuner_type == TUNER_XC2028) ret = fe->callback(fe, 0, XC2028_TUNER_RESET, 0); (the actual coding will depend on how do you store the tuner type, and what are the commands for the tuner you're using) That's said, it probably makes sense to deprecate fe->callback in favor or a more generic set of callbacks, like fe->tuner_reset(). > + if (ret) > + goto err; > + > + /* reprogramming needed because HW reset clears registers */ > + priv->tuner_i2c_addr_programmed = false; > + } > + > + /* init */ > + for (i = 0; i < ARRAY_SIZE(tab); i++) { > + ret = hd29l2_wr_reg(priv, tab[i].reg, tab[i].val); > + if (ret) > + goto err; > + } > + > + /* TS params */ > + ret = hd29l2_rd_reg(priv, 0x36, &tmp); > + if (ret) > + goto err; > + > + tmp &= 0x1b; > + tmp |= priv->cfg.ts_mode; > + ret = hd29l2_wr_reg(priv, 0x36, tmp); > + if (ret) > + goto err; > + > + ret = hd29l2_rd_reg(priv, 0x31, &tmp); > + tmp &= 0xef; > + > + if (!(priv->cfg.ts_mode >> 7)) > + /* set b4 for serial TS */ > + tmp |= 0x10; > + > + ret = hd29l2_wr_reg(priv, 0x31, tmp); > + if (ret) > + goto err; > + > + return ret; > +err: > + dbg("%s: failed=%d", __func__, ret); > + return ret; > +} > + > +static void hd29l2_release(struct dvb_frontend *fe) > +{ > + struct hd29l2_priv *priv = fe->demodulator_priv; > + kfree(priv); > +} > + > +static struct dvb_frontend_ops hd29l2_ops; > + > +struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config, > + struct i2c_adapter *i2c) > +{ > + int ret; > + struct hd29l2_priv *priv = NULL; > + u8 tmp; > + > + /* allocate memory for the internal state */ > + priv = kzalloc(sizeof(struct hd29l2_priv), GFP_KERNEL); > + if (priv == NULL) > + goto err; > + > + /* setup the state */ > + priv->i2c = i2c; > + memcpy(&priv->cfg, config, sizeof(struct hd29l2_config)); > + > + > + /* check if the demod is there */ > + ret = hd29l2_rd_reg(priv, 0x00, &tmp); > + if (ret) > + goto err; > + > + /* create dvb_frontend */ > + memcpy(&priv->fe.ops, &hd29l2_ops, sizeof(struct dvb_frontend_ops)); > + priv->fe.demodulator_priv = priv; > + > + return &priv->fe; > +err: > + kfree(priv); > + return NULL; > +} > +EXPORT_SYMBOL(hd29l2_attach); > + > +static struct dvb_frontend_ops hd29l2_ops = { > + .info = { > + .name = "HDIC HD29L2 DMB-TH", > + .type = FE_OFDM, > + .frequency_min = 474000000, > + .frequency_max = 858000000, > + .frequency_stepsize = 10000, > + .caps = FE_CAN_FEC_AUTO | > + FE_CAN_QPSK | > + FE_CAN_QAM_16 | > + FE_CAN_QAM_32 | > + FE_CAN_QAM_64 | > + FE_CAN_QAM_AUTO | > + FE_CAN_TRANSMISSION_MODE_AUTO | > + FE_CAN_BANDWIDTH_AUTO | > + FE_CAN_GUARD_INTERVAL_AUTO | > + FE_CAN_HIERARCHY_AUTO | > + FE_CAN_RECOVER > + }, > + > + .release = hd29l2_release, > + > + .init = hd29l2_init, > + > + .get_frontend_algo = hd29l2_get_frontend_algo, > + .search = hd29l2_search, > + .get_frontend = hd29l2_get_frontend, > + > + .read_status = hd29l2_read_status, > + .read_snr = hd29l2_read_snr, > + .read_signal_strength = hd29l2_read_signal_strength, > + .read_ber = hd29l2_read_ber, > + .read_ucblocks = hd29l2_read_ucblocks, > + > + .i2c_gate_ctrl = hd29l2_i2c_gate_ctrl, > +}; > + > +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); > +MODULE_DESCRIPTION("HDIC HD29L2 DMB-TH demodulator driver"); > +MODULE_LICENSE("GPL"); > diff --git a/drivers/media/dvb/frontends/hd29l2.h b/drivers/media/dvb/frontends/hd29l2.h > new file mode 100644 > index 0000000..a7a6443 > --- /dev/null > +++ b/drivers/media/dvb/frontends/hd29l2.h > @@ -0,0 +1,66 @@ > +/* > + * HDIC HD29L2 DMB-TH demodulator driver > + * > + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D > + * > + * Author: 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., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#ifndef HD29L2_H > +#define HD29L2_H > + > +#include <linux/dvb/frontend.h> > + > +struct hd29l2_config { > + /* > + * demodulator I2C address > + */ > + u8 i2c_addr; > + > + /* > + * tuner I2C address > + * only needed when tuner is behind demod I2C-gate > + */ > + u8 tuner_i2c_addr; > + > + /* > + * TS settings > + */ > +#define HD29L2_TS_SERIAL 0x00 > +#define HD29L2_TS_PARALLEL 0x80 > +#define HD29L2_TS_CLK_NORMAL 0x40 > +#define HD29L2_TS_CLK_INVERTED 0x00 > +#define HD29L2_TS_CLK_GATED 0x20 > +#define HD29L2_TS_CLK_FREE 0x00 > + u8 ts_mode; > +}; > + > + > +#if defined(CONFIG_DVB_HD29L2) || \ > + (defined(CONFIG_DVB_HD29L2_MODULE) && defined(MODULE)) > +extern struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config, > + struct i2c_adapter *i2c); > +#else > +static inline struct dvb_frontend *hd29l2_attach( > +const struct hd29l2_config *config, struct i2c_adapter *i2c) > +{ > + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); > + return NULL; > +} > +#endif > + > +#endif /* HD29L2_H */ > diff --git a/drivers/media/dvb/frontends/hd29l2_priv.h b/drivers/media/dvb/frontends/hd29l2_priv.h > new file mode 100644 > index 0000000..ba16dc3 > --- /dev/null > +++ b/drivers/media/dvb/frontends/hd29l2_priv.h > @@ -0,0 +1,314 @@ > +/* > + * HDIC HD29L2 DMB-TH demodulator driver > + * > + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D > + * > + * Author: 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., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#ifndef HD29L2_PRIV > +#define HD29L2_PRIV > + > +#include <linux/dvb/version.h> > +#include "dvb_frontend.h" > +#include "dvb_math.h" > +#include "hd29l2.h" > + > +#define LOG_PREFIX "hd29l2" > + > +#undef dbg > +#define dbg(f, arg...) \ > + if (hd29l2_debug) \ > + printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) > +#undef err > +#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg) > +#undef info > +#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) > +#undef warn > +#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg) > + > +#define HD29L2_XTAL 30400000 /* Hz */ > + > + > +#define HD29L2_QAM4NR 0x00 > +#define HD29L2_QAM4 0x01 > +#define HD29L2_QAM16 0x02 > +#define HD29L2_QAM32 0x03 > +#define HD29L2_QAM64 0x04 > + > +#define HD29L2_CODE_RATE_04 0x00 > +#define HD29L2_CODE_RATE_06 0x08 > +#define HD29L2_CODE_RATE_08 0x10 > + > +#define HD29L2_PN945 0x00 > +#define HD29L2_PN595 0x01 > +#define HD29L2_PN420 0x02 > + > +#define HD29L2_CARRIER_SINGLE 0x00 > +#define HD29L2_CARRIER_MULTI 0x01 > + > +#define HD29L2_INTERLEAVER_720 0x00 > +#define HD29L2_INTERLEAVER_420 0x01 > + > +struct reg_val { > + u8 reg; > + u8 val; > +}; > + > +struct reg_mod_vals { > + u8 reg; > + u8 val[5]; > +}; > + > +struct hd29l2_priv { > + struct i2c_adapter *i2c; > + struct dvb_frontend fe; > + struct hd29l2_config cfg; > + u8 tuner_i2c_addr_programmed:1; > + > + fe_status_t fe_status; > +}; > + > +static const struct reg_mod_vals reg_mod_vals_tab[] = { > + /* REG, QAM4NR, QAM4,QAM16,QAM32,QAM64 */ > + { 0x01, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, > + { 0x02, { 0x07, 0x07, 0x07, 0x07, 0x07 } }, > + { 0x03, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, > + { 0x04, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x05, { 0x61, 0x60, 0x60, 0x61, 0x60 } }, > + { 0x06, { 0xff, 0xff, 0xff, 0xff, 0xff } }, > + { 0x07, { 0xff, 0xff, 0xff, 0xff, 0xff } }, > + { 0x08, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x09, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x0a, { 0x15, 0x15, 0x03, 0x03, 0x03 } }, > + { 0x0d, { 0x78, 0x78, 0x88, 0x78, 0x78 } }, > + { 0x0e, { 0xa0, 0x90, 0xa0, 0xa0, 0xa0 } }, > + { 0x0f, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x10, { 0xa0, 0xa0, 0x58, 0x38, 0x38 } }, > + { 0x11, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x12, { 0x5a, 0x5a, 0x5a, 0x5a, 0x5a } }, > + { 0x13, { 0xa2, 0xa2, 0xa2, 0xa2, 0xa2 } }, > + { 0x17, { 0x40, 0x40, 0x40, 0x40, 0x40 } }, > + { 0x18, { 0x21, 0x21, 0x42, 0x52, 0x42 } }, > + { 0x19, { 0x21, 0x21, 0x62, 0x72, 0x62 } }, > + { 0x1a, { 0x32, 0x43, 0xa9, 0xb9, 0xa9 } }, > + { 0x1b, { 0x32, 0x43, 0xb9, 0xd8, 0xb9 } }, > + { 0x1c, { 0x02, 0x02, 0x03, 0x02, 0x03 } }, > + { 0x1d, { 0x0c, 0x0c, 0x01, 0x02, 0x02 } }, > + { 0x1e, { 0x02, 0x02, 0x02, 0x01, 0x02 } }, > + { 0x1f, { 0x02, 0x02, 0x01, 0x02, 0x04 } }, > + { 0x20, { 0x01, 0x02, 0x01, 0x01, 0x01 } }, > + { 0x21, { 0x08, 0x08, 0x0a, 0x0a, 0x0a } }, > + { 0x22, { 0x06, 0x06, 0x04, 0x05, 0x05 } }, > + { 0x23, { 0x06, 0x06, 0x05, 0x03, 0x05 } }, > + { 0x24, { 0x08, 0x08, 0x05, 0x07, 0x07 } }, > + { 0x25, { 0x16, 0x10, 0x10, 0x0a, 0x10 } }, > + { 0x26, { 0x14, 0x14, 0x04, 0x04, 0x04 } }, > + { 0x27, { 0x58, 0x58, 0x58, 0x5c, 0x58 } }, > + { 0x28, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0x29, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0x2a, { 0x08, 0x0a, 0x08, 0x08, 0x08 } }, > + { 0x2b, { 0x08, 0x08, 0x08, 0x08, 0x08 } }, > + { 0x2c, { 0x06, 0x06, 0x06, 0x06, 0x06 } }, > + { 0x2d, { 0x05, 0x06, 0x06, 0x06, 0x06 } }, > + { 0x2e, { 0x21, 0x21, 0x21, 0x21, 0x21 } }, > + { 0x2f, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x30, { 0x14, 0x14, 0x14, 0x14, 0x14 } }, > + { 0x33, { 0xb7, 0xb7, 0xb7, 0xb7, 0xb7 } }, > + { 0x34, { 0x81, 0x81, 0x81, 0x81, 0x81 } }, > + { 0x35, { 0x80, 0x80, 0x80, 0x80, 0x80 } }, > + { 0x37, { 0x70, 0x70, 0x70, 0x70, 0x70 } }, > + { 0x38, { 0x04, 0x04, 0x02, 0x02, 0x02 } }, > + { 0x39, { 0x07, 0x07, 0x05, 0x05, 0x05 } }, > + { 0x3a, { 0x06, 0x06, 0x06, 0x06, 0x06 } }, > + { 0x3b, { 0x03, 0x03, 0x03, 0x03, 0x03 } }, > + { 0x3c, { 0x07, 0x06, 0x04, 0x04, 0x04 } }, > + { 0x3d, { 0xf0, 0xf0, 0xf0, 0xf0, 0x80 } }, > + { 0x3e, { 0x60, 0x60, 0x60, 0x60, 0xff } }, > + { 0x3f, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x40, { 0x5b, 0x5b, 0x5b, 0x57, 0x50 } }, > + { 0x41, { 0x30, 0x30, 0x30, 0x30, 0x18 } }, > + { 0x42, { 0x20, 0x20, 0x20, 0x00, 0x30 } }, > + { 0x43, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x44, { 0x3f, 0x3f, 0x3f, 0x3f, 0x3f } }, > + { 0x45, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x46, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0x47, { 0x00, 0x00, 0x95, 0x00, 0x95 } }, > + { 0x48, { 0xc0, 0xc0, 0xc0, 0xc0, 0xc0 } }, > + { 0x49, { 0xc0, 0xc0, 0xc0, 0xc0, 0xc0 } }, > + { 0x4a, { 0x40, 0x40, 0x33, 0x11, 0x11 } }, > + { 0x4b, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, > + { 0x4c, { 0x40, 0x40, 0x99, 0x11, 0x11 } }, > + { 0x4d, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, > + { 0x4e, { 0x40, 0x40, 0x66, 0x77, 0x77 } }, > + { 0x4f, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, > + { 0x50, { 0x40, 0x40, 0x88, 0x33, 0x11 } }, > + { 0x51, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, > + { 0x52, { 0x40, 0x40, 0x88, 0x02, 0x02 } }, > + { 0x53, { 0x40, 0x40, 0x00, 0x02, 0x02 } }, > + { 0x54, { 0x00, 0x00, 0x88, 0x33, 0x33 } }, > + { 0x55, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, > + { 0x56, { 0x00, 0x00, 0x00, 0x0b, 0x00 } }, > + { 0x57, { 0x40, 0x40, 0x0a, 0x0b, 0x0a } }, > + { 0x58, { 0xaa, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x59, { 0x7a, 0x40, 0x02, 0x02, 0x02 } }, > + { 0x5a, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, > + { 0x5b, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, > + { 0x5c, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, > + { 0x5d, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, > + { 0x5e, { 0xc0, 0xc0, 0xc0, 0xff, 0xc0 } }, > + { 0x5f, { 0xc0, 0xc0, 0xc0, 0xff, 0xc0 } }, > + { 0x60, { 0x40, 0x40, 0x00, 0x30, 0x30 } }, > + { 0x61, { 0x40, 0x40, 0x10, 0x30, 0x30 } }, > + { 0x62, { 0x40, 0x40, 0x00, 0x30, 0x30 } }, > + { 0x63, { 0x40, 0x40, 0x05, 0x30, 0x30 } }, > + { 0x64, { 0x40, 0x40, 0x06, 0x00, 0x30 } }, > + { 0x65, { 0x40, 0x40, 0x06, 0x08, 0x30 } }, > + { 0x66, { 0x40, 0x40, 0x00, 0x00, 0x20 } }, > + { 0x67, { 0x40, 0x40, 0x01, 0x04, 0x20 } }, > + { 0x68, { 0x00, 0x00, 0x30, 0x00, 0x20 } }, > + { 0x69, { 0xa0, 0xa0, 0x00, 0x08, 0x20 } }, > + { 0x6a, { 0x00, 0x00, 0x30, 0x00, 0x25 } }, > + { 0x6b, { 0xa0, 0xa0, 0x00, 0x06, 0x25 } }, > + { 0x6c, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x6d, { 0xa0, 0x60, 0x0c, 0x03, 0x0c } }, > + { 0x6e, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x6f, { 0xa0, 0x60, 0x04, 0x01, 0x04 } }, > + { 0x70, { 0x58, 0x58, 0xaa, 0xaa, 0xaa } }, > + { 0x71, { 0x58, 0x58, 0xaa, 0xaa, 0xaa } }, > + { 0x72, { 0x58, 0x58, 0xff, 0xff, 0xff } }, > + { 0x73, { 0x58, 0x58, 0xff, 0xff, 0xff } }, > + { 0x74, { 0x06, 0x06, 0x09, 0x05, 0x05 } }, > + { 0x75, { 0x06, 0x06, 0x0a, 0x10, 0x10 } }, > + { 0x76, { 0x10, 0x10, 0x06, 0x0a, 0x0a } }, > + { 0x77, { 0x12, 0x18, 0x28, 0x10, 0x28 } }, > + { 0x78, { 0xf8, 0xf8, 0xf8, 0xf8, 0xf8 } }, > + { 0x79, { 0x15, 0x15, 0x03, 0x03, 0x03 } }, > + { 0x7a, { 0x02, 0x02, 0x01, 0x04, 0x03 } }, > + { 0x7b, { 0x01, 0x02, 0x03, 0x03, 0x03 } }, > + { 0x7c, { 0x28, 0x28, 0x28, 0x28, 0x28 } }, > + { 0x7f, { 0x25, 0x92, 0x5f, 0x17, 0x2d } }, > + { 0x80, { 0x64, 0x64, 0x64, 0x74, 0x64 } }, > + { 0x83, { 0x06, 0x03, 0x04, 0x04, 0x04 } }, > + { 0x84, { 0xff, 0xff, 0xff, 0xff, 0xff } }, > + { 0x85, { 0x05, 0x05, 0x05, 0x05, 0x05 } }, > + { 0x86, { 0x00, 0x00, 0x11, 0x11, 0x11 } }, > + { 0x87, { 0x03, 0x03, 0x03, 0x03, 0x03 } }, > + { 0x88, { 0x09, 0x09, 0x09, 0x09, 0x09 } }, > + { 0x89, { 0x20, 0x20, 0x30, 0x20, 0x20 } }, > + { 0x8a, { 0x03, 0x03, 0x02, 0x03, 0x02 } }, > + { 0x8b, { 0x00, 0x07, 0x09, 0x00, 0x09 } }, > + { 0x8c, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x8d, { 0x4f, 0x4f, 0x4f, 0x3f, 0x4f } }, > + { 0x8e, { 0xf0, 0xf0, 0x60, 0xf0, 0xa0 } }, > + { 0x8f, { 0xe8, 0xe8, 0xe8, 0xe8, 0xe8 } }, > + { 0x90, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, > + { 0x91, { 0x40, 0x40, 0x70, 0x70, 0x10 } }, > + { 0x92, { 0x00, 0x00, 0x00, 0x00, 0x04 } }, > + { 0x93, { 0x60, 0x60, 0x60, 0x60, 0x60 } }, > + { 0x94, { 0x00, 0x00, 0x00, 0x00, 0x03 } }, > + { 0x95, { 0x09, 0x09, 0x47, 0x47, 0x47 } }, > + { 0x96, { 0x80, 0xa0, 0xa0, 0x40, 0xa0 } }, > + { 0x97, { 0x60, 0x60, 0x60, 0x60, 0x60 } }, > + { 0x98, { 0x50, 0x50, 0x50, 0x30, 0x50 } }, > + { 0x99, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, > + { 0x9a, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0x9b, { 0x40, 0x40, 0x40, 0x30, 0x40 } }, > + { 0x9c, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa0, { 0xf0, 0xf0, 0xf0, 0xf0, 0xf0 } }, > + { 0xa1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa2, { 0x30, 0x30, 0x00, 0x30, 0x00 } }, > + { 0xa3, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa4, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa5, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa6, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa7, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xa8, { 0x77, 0x77, 0x77, 0x77, 0x77 } }, > + { 0xa9, { 0x02, 0x02, 0x02, 0x02, 0x02 } }, > + { 0xaa, { 0x40, 0x40, 0x40, 0x40, 0x40 } }, > + { 0xac, { 0x1f, 0x1f, 0x1f, 0x1f, 0x1f } }, > + { 0xad, { 0x14, 0x14, 0x14, 0x14, 0x14 } }, > + { 0xae, { 0x78, 0x78, 0x78, 0x78, 0x78 } }, > + { 0xaf, { 0x06, 0x06, 0x06, 0x06, 0x07 } }, > + { 0xb0, { 0x1b, 0x1b, 0x1b, 0x19, 0x1b } }, > + { 0xb1, { 0x18, 0x17, 0x17, 0x18, 0x17 } }, > + { 0xb2, { 0x35, 0x82, 0x82, 0x38, 0x82 } }, > + { 0xb3, { 0xb6, 0xce, 0xc7, 0x5c, 0xb0 } }, > + { 0xb4, { 0x3f, 0x3e, 0x3e, 0x3f, 0x3e } }, > + { 0xb5, { 0x70, 0x58, 0x50, 0x68, 0x50 } }, > + { 0xb6, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xb7, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xb8, { 0x03, 0x03, 0x01, 0x01, 0x01 } }, > + { 0xb9, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xba, { 0x06, 0x06, 0x0a, 0x05, 0x0a } }, > + { 0xbb, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xbc, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xbd, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xbe, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xbf, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xc0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xc1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xc2, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xc3, { 0x00, 0x00, 0x88, 0x66, 0x88 } }, > + { 0xc4, { 0x10, 0x10, 0x00, 0x00, 0x00 } }, > + { 0xc5, { 0x00, 0x00, 0x44, 0x60, 0x44 } }, > + { 0xc6, { 0x10, 0x0a, 0x00, 0x00, 0x00 } }, > + { 0xc7, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xc8, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xc9, { 0x90, 0x04, 0x00, 0x00, 0x00 } }, > + { 0xca, { 0x90, 0x08, 0x01, 0x01, 0x01 } }, > + { 0xcb, { 0xa0, 0x04, 0x00, 0x44, 0x00 } }, > + { 0xcc, { 0xa0, 0x10, 0x03, 0x00, 0x03 } }, > + { 0xcd, { 0x06, 0x06, 0x06, 0x05, 0x06 } }, > + { 0xce, { 0x05, 0x05, 0x01, 0x01, 0x01 } }, > + { 0xcf, { 0x40, 0x20, 0x18, 0x18, 0x18 } }, > + { 0xd0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xd1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xd2, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xd3, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xd4, { 0x05, 0x05, 0x05, 0x05, 0x05 } }, > + { 0xd5, { 0x05, 0x05, 0x05, 0x03, 0x05 } }, > + { 0xd6, { 0xac, 0x22, 0xca, 0x8f, 0xca } }, > + { 0xd7, { 0x20, 0x20, 0x20, 0x20, 0x20 } }, > + { 0xd8, { 0x01, 0x01, 0x01, 0x01, 0x01 } }, > + { 0xd9, { 0x00, 0x00, 0x0f, 0x00, 0x0f } }, > + { 0xda, { 0x00, 0xff, 0xff, 0x0e, 0xff } }, > + { 0xdb, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0xdc, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0xdd, { 0x05, 0x05, 0x05, 0x05, 0x05 } }, > + { 0xde, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0xdf, { 0x42, 0x42, 0x44, 0x44, 0x04 } }, > + { 0xe0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xe1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xe2, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xe3, { 0x00, 0x00, 0x26, 0x06, 0x26 } }, > + { 0xe4, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xe5, { 0x01, 0x0a, 0x01, 0x01, 0x01 } }, > + { 0xe6, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xe7, { 0x08, 0x08, 0x08, 0x08, 0x08 } }, > + { 0xe8, { 0x63, 0x63, 0x63, 0x63, 0x63 } }, > + { 0xe9, { 0x59, 0x59, 0x59, 0x59, 0x59 } }, > + { 0xea, { 0x80, 0x80, 0x20, 0x80, 0x80 } }, > + { 0xeb, { 0x37, 0x37, 0x78, 0x37, 0x77 } }, > + { 0xec, { 0x1f, 0x1f, 0x25, 0x25, 0x25 } }, > + { 0xed, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, > + { 0xee, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > + { 0xef, { 0x70, 0x70, 0x58, 0x38, 0x58 } }, > + { 0xf0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, > +}; > + > +#endif /* HD29L2_PRIV */ > -- > 1.7.7.4 > ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver 2011-12-20 13:39 ` Mauro Carvalho Chehab @ 2011-12-20 14:52 ` Antti Palosaari 2011-12-20 15:26 ` Mauro Carvalho Chehab 0 siblings, 1 reply; 11+ messages in thread From: Antti Palosaari @ 2011-12-20 14:52 UTC (permalink / raw) To: Mauro Carvalho Chehab; +Cc: linux-media On 12/20/2011 03:39 PM, Mauro Carvalho Chehab wrote: > On 14-12-2011 20:57, Antti Palosaari wrote: >> Mauro, >> >> Please PULL that new driver to the Kernel 3.3! >> >> Antti >> >> The following changes since commit 6dbc13e364ad49deb9dd93c4ab84af53ffb52435: >> >> mxl5007t: implement .get_if_frequency() (2011-10-10 00:57:07 +0300) >> >> are available in the git repository at: >> git://linuxtv.org/anttip/media_tree.git hdic >> >> Antti Palosaari (1): >> HDIC HD29L2 DMB-TH demodulator driver > >> From: Antti Palosaari<crope@iki.fi> >> Date: Mon, 7 Nov 2011 01:01:13 +0200 >> Subject: HDIC HD29L2 DMB-TH demodulator driver >> >> Signed-off-by: Antti Palosaari<crope@iki.fi> >> --- >> drivers/media/dvb/frontends/Kconfig | 7 + >> drivers/media/dvb/frontends/Makefile | 1 + >> drivers/media/dvb/frontends/hd29l2.c | 863 +++++++++++++++++++++++++++++ >> drivers/media/dvb/frontends/hd29l2.h | 66 +++ >> drivers/media/dvb/frontends/hd29l2_priv.h | 314 +++++++++++ >> 5 files changed, 1251 insertions(+), 0 deletions(-) >> create mode 100644 drivers/media/dvb/frontends/hd29l2.c >> create mode 100644 drivers/media/dvb/frontends/hd29l2.h >> create mode 100644 drivers/media/dvb/frontends/hd29l2_priv.h >> >> diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig >> index 4a2d2e6..ebb5ed7 100644 >> --- a/drivers/media/dvb/frontends/Kconfig >> +++ b/drivers/media/dvb/frontends/Kconfig >> @@ -404,6 +404,13 @@ config DVB_EC100 >> help >> Say Y when you want to support this frontend. >> >> +config DVB_HD29L2 >> + tristate "HDIC HD29L2" >> + depends on DVB_CORE&& I2C >> + default m if DVB_FE_CUSTOMISE >> + help >> + Say Y when you want to support this frontend. >> + >> config DVB_STV0367 >> tristate "ST STV0367 based" >> depends on DVB_CORE&& I2C >> diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile >> index f639f67..00a2063 100644 >> --- a/drivers/media/dvb/frontends/Makefile >> +++ b/drivers/media/dvb/frontends/Makefile >> @@ -84,6 +84,7 @@ obj-$(CONFIG_DVB_STV090x) += stv090x.o >> obj-$(CONFIG_DVB_STV6110x) += stv6110x.o >> obj-$(CONFIG_DVB_ISL6423) += isl6423.o >> obj-$(CONFIG_DVB_EC100) += ec100.o >> +obj-$(CONFIG_DVB_HD29L2) += hd29l2.o >> obj-$(CONFIG_DVB_DS3000) += ds3000.o >> obj-$(CONFIG_DVB_MB86A16) += mb86a16.o >> obj-$(CONFIG_DVB_MB86A20S) += mb86a20s.o >> diff --git a/drivers/media/dvb/frontends/hd29l2.c b/drivers/media/dvb/frontends/hd29l2.c >> new file mode 100644 >> index 0000000..a85ed47 >> --- /dev/null >> +++ b/drivers/media/dvb/frontends/hd29l2.c >> @@ -0,0 +1,863 @@ >> +/* >> + * HDIC HD29L2 DMB-TH demodulator driver >> + * >> + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D >> + * >> + * Author: 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., 675 Mass Ave, Cambridge, MA 02139, USA. >> + */ >> + >> +#include "hd29l2_priv.h" >> + >> +int hd29l2_debug; >> +module_param_named(debug, hd29l2_debug, int, 0644); >> +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); >> + >> +/* write multiple registers */ >> +static int hd29l2_wr_regs(struct hd29l2_priv *priv, u8 reg, u8 *val, int len) >> +{ >> + int ret; >> + u8 buf[2+len]; > > CodingStyle. It should be, instead: > u8 buf[2 + len] > OK. >> + struct i2c_msg msg[1] = { >> + { >> + .addr = priv->cfg.i2c_addr, >> + .flags = 0, >> + .len = sizeof(buf), >> + .buf = buf, >> + } >> + }; >> + >> + buf[0] = 0x00; >> + buf[1] = reg; >> + memcpy(&buf[2], val, len); >> + >> + ret = i2c_transfer(priv->i2c, msg, 1); >> + if (ret == 1) { >> + ret = 0; >> + } else { >> + warn("i2c wr failed=%d reg=%02x len=%d", ret, reg, len); >> + ret = -EREMOTEIO; >> + } >> + >> + return ret; >> +} >> + >> +/* read multiple registers */ >> +static int hd29l2_rd_regs(struct hd29l2_priv *priv, u8 reg, u8 *val, int len) >> +{ >> + int ret; >> + u8 buf[2] = { 0x00, reg }; >> + struct i2c_msg msg[2] = { >> + { >> + .addr = priv->cfg.i2c_addr, >> + .flags = 0, >> + .len = 2, >> + .buf = buf, >> + }, { >> + .addr = priv->cfg.i2c_addr, >> + .flags = I2C_M_RD, >> + .len = len, >> + .buf = val, >> + } >> + }; >> + >> + ret = i2c_transfer(priv->i2c, msg, 2); >> + if (ret == 2) { >> + ret = 0; >> + } else { >> + warn("i2c rd failed=%d reg=%02x len=%d", ret, reg, len); >> + ret = -EREMOTEIO; >> + } >> + >> + return ret; >> +} >> + >> +/* write single register */ >> +static int hd29l2_wr_reg(struct hd29l2_priv *priv, u8 reg, u8 val) >> +{ >> + return hd29l2_wr_regs(priv, reg,&val, 1); >> +} >> + >> +/* read single register */ >> +static int hd29l2_rd_reg(struct hd29l2_priv *priv, u8 reg, u8 *val) >> +{ >> + return hd29l2_rd_regs(priv, reg, val, 1); >> +} >> + >> +/* write single register with mask */ >> +static int hd29l2_wr_reg_mask(struct hd29l2_priv *priv, u8 reg, u8 val, u8 mask) >> +{ >> + int ret; >> + u8 tmp; >> + >> + /* no need for read if whole reg is written */ >> + if (mask != 0xff) { >> + ret = hd29l2_rd_regs(priv, reg,&tmp, 1); >> + if (ret) >> + return ret; >> + >> + val&= mask; >> + tmp&= ~mask; >> + val |= tmp; >> + } >> + >> + return hd29l2_wr_regs(priv, reg,&val, 1); >> +} >> + >> +/* read single register with mask */ >> +int hd29l2_rd_reg_mask(struct hd29l2_priv *priv, u8 reg, u8 *val, u8 mask) >> +{ >> + int ret, i; >> + u8 tmp; >> + >> + ret = hd29l2_rd_regs(priv, reg,&tmp, 1); >> + if (ret) >> + return ret; >> + >> + tmp&= mask; >> + >> + /* find position of the first bit */ >> + for (i = 0; i< 8; i++) { >> + if ((mask>> i)& 0x01) >> + break; >> + } > > Don't re-invent the wheel. Instead, please use the existing macros > for it, defined at linux/bitmap.h. In this case, it should likely > be: > find_first_bit() > OK. I wasn't aware those bimacros. >> + *val = tmp>> i; >> + >> + return 0; >> +} >> + >> +static int hd29l2_soft_reset(struct hd29l2_priv *priv) >> +{ >> + int ret; >> + u8 tmp; >> + >> + ret = hd29l2_rd_reg(priv, 0x26,&tmp); >> + if (ret) >> + goto err; >> + >> + ret = hd29l2_wr_reg(priv, 0x26, 0x0d); >> + if (ret) >> + goto err; >> + >> + usleep_range(10000, 20000); >> + >> + ret = hd29l2_wr_reg(priv, 0x26, tmp); >> + if (ret) >> + goto err; >> + >> + return 0; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) >> +{ >> + int ret, i; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + u8 tmp; >> + >> + dbg("%s: enable=%d", __func__, enable); >> + >> + /* set tuner address for demod */ >> + if (!priv->tuner_i2c_addr_programmed&& enable) { >> + /* no need to set tuner address every time, once is enough */ >> + ret = hd29l2_wr_reg(priv, 0x9d, priv->cfg.tuner_i2c_addr<< 1); >> + if (ret) >> + goto err; >> + >> + priv->tuner_i2c_addr_programmed = true; >> + } >> + >> + /* open / close gate */ >> + ret = hd29l2_wr_reg(priv, 0x9f, enable); >> + if (ret) >> + goto err; >> + >> + /* wait demod ready */ >> + for (i = 10; i; i--) { >> + ret = hd29l2_rd_reg(priv, 0x9e,&tmp); >> + if (ret) >> + goto err; >> + >> + if (tmp == enable) >> + break; >> + >> + usleep_range(5000, 10000); >> + } >> + >> + dbg("%s: loop=%d", __func__, i); >> + >> + return ret; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_read_status(struct dvb_frontend *fe, fe_status_t *status) >> +{ >> + int ret; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + u8 buf[2]; >> + >> + *status = 0; >> + >> + ret = hd29l2_rd_reg(priv, 0x05,&buf[0]); >> + if (ret) >> + goto err; >> + >> + if (buf[0]& 0x01) { >> + /* full lock */ >> + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | >> + FE_HAS_SYNC | FE_HAS_LOCK; >> + } else { >> + ret = hd29l2_rd_reg(priv, 0x0d,&buf[1]); >> + if (ret) >> + goto err; >> + >> + if ((buf[1]& 0xfe) == 0x78) >> + /* partial lock */ >> + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | >> + FE_HAS_VITERBI | FE_HAS_SYNC; >> + } >> + >> + priv->fe_status = *status; >> + >> + return 0; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_read_snr(struct dvb_frontend *fe, u16 *snr) >> +{ >> + int ret; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + u8 buf[2]; >> + u16 tmp; >> + >> + if (!(priv->fe_status& FE_HAS_LOCK)) { >> + *snr = 0; >> + ret = 0; >> + goto err; >> + } >> + >> + ret = hd29l2_rd_regs(priv, 0x0b, buf, 2); >> + if (ret) >> + goto err; >> + >> + tmp = (buf[0]<< 8) | buf[1]; >> + >> + /* report SNR in dB * 10 */ >> + #define LOG10_20736_24 72422627 /* log10(20736)<< 24 */ >> + if (tmp) >> + *snr = (LOG10_20736_24 - intlog10(tmp)) / ((1<< 24) / 100); >> + else >> + *snr = 0; >> + >> + return 0; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_read_signal_strength(struct dvb_frontend *fe, u16 *strength) >> +{ >> + int ret; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + u8 buf[2]; >> + u16 tmp; >> + >> + *strength = 0; >> + >> + ret = hd29l2_rd_regs(priv, 0xd5, buf, 2); >> + if (ret) >> + goto err; >> + >> + tmp = buf[0]<< 8 | buf[1]; >> + tmp = ~tmp& 0x0fff; >> + >> + /* scale value to 0x0000-0xffff from 0x0000-0x0fff */ >> + *strength = tmp * 0xffff / 0x0fff; >> + >> + return 0; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_read_ber(struct dvb_frontend *fe, u32 *ber) >> +{ >> + int ret; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + u8 buf[2]; >> + >> + if (!(priv->fe_status& FE_HAS_SYNC)) { >> + *ber = 0; >> + ret = 0; >> + goto err; >> + } >> + >> + ret = hd29l2_rd_regs(priv, 0xd9, buf, 2); >> + if (ret) { >> + *ber = 0; >> + goto err; >> + } >> + >> + /* LDPC BER */ >> + *ber = ((buf[0]& 0x0f)<< 8) | buf[1]; >> + >> + return 0; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) >> +{ >> + /* no way to read? */ >> + *ucblocks = 0; >> + return 0; >> +} >> + >> +static enum dvbfe_search hd29l2_search(struct dvb_frontend *fe, >> + struct dvb_frontend_parameters *p) >> +{ >> + int ret, i; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + struct dtv_frontend_properties *c =&fe->dtv_property_cache; >> + u8 tmp, buf[3]; >> + u8 modulation, carrier, guard_interval, interleave, code_rate; >> + u64 num64; >> + u32 if_freq, if_ctl; >> + bool auto_mode; >> + >> + dbg("%s: delivery_system=%d frequency=%d bandwidth_hz=%d " \ >> + "modulation=%d inversion=%d fec_inner=%d guard_interval=%d", >> + __func__, >> + c->delivery_system, c->frequency, c->bandwidth_hz, >> + c->modulation, c->inversion, c->fec_inner, c->guard_interval); >> + >> + /* as for now we detect always params automatically */ >> + auto_mode = true; >> + >> + /* program tuner */ >> + if (fe->ops.tuner_ops.set_params) >> + fe->ops.tuner_ops.set_params(fe, p); >> + >> + /* get and program IF */ >> + if (fe->ops.tuner_ops.get_if_frequency) >> + fe->ops.tuner_ops.get_if_frequency(fe,&if_freq); >> + else >> + if_freq = 0; >> + >> + if (if_freq) { >> + /* normal IF */ >> + >> + /* calc IF control value */ >> + num64 = if_freq; >> + num64 *= 0x800000; >> + num64 = div_u64(num64, HD29L2_XTAL); >> + num64 -= 0x800000; >> + if_ctl = num64; >> + >> + tmp = 0xfc; /* tuner type normal */ >> + } else { >> + /* zero IF */ >> + if_ctl = 0; >> + tmp = 0xfe; /* tuner type Zero-IF */ >> + } >> + >> + buf[0] = ((if_ctl>> 0)& 0xff); >> + buf[1] = ((if_ctl>> 8)& 0xff); >> + buf[2] = ((if_ctl>> 16)& 0xff); >> + >> + /* program IF control */ >> + ret = hd29l2_wr_regs(priv, 0x14, buf, 3); >> + if (ret) >> + goto err; >> + >> + /* program tuner type */ >> + ret = hd29l2_wr_reg(priv, 0xab, tmp); >> + if (ret) >> + goto err; >> + >> + dbg("%s: if_ctl=%x", __func__, if_ctl); >> + >> + if (auto_mode) { >> + /* >> + * use auto mode >> + */ >> + >> + /* disable quick mode */ >> + ret = hd29l2_wr_reg_mask(priv, 0xac, 0<< 7, 0x80); >> + if (ret) >> + goto err; >> + >> + ret = hd29l2_wr_reg_mask(priv, 0x82, 1<< 1, 0x02); >> + if (ret) >> + goto err; >> + >> + /* enable auto mode */ >> + ret = hd29l2_wr_reg_mask(priv, 0x7d, 1<< 6, 0x40); >> + if (ret) >> + goto err; >> + >> + ret = hd29l2_wr_reg_mask(priv, 0x81, 1<< 3, 0x08); >> + if (ret) >> + goto err; >> + >> + /* soft reset */ >> + ret = hd29l2_soft_reset(priv); >> + if (ret) >> + goto err; >> + >> + /* detect modulation */ >> + for (i = 30; i; i--) { >> + msleep(100); >> + >> + ret = hd29l2_rd_reg(priv, 0x0d,&tmp); >> + if (ret) >> + goto err; >> + >> + if ((((tmp& 0xf0)>= 0x10)&& >> + ((tmp& 0x0f) == 0x08)) || (tmp>= 0x2c)) >> + break; >> + } >> + >> + dbg("%s: loop=%d", __func__, i); >> + >> + if (i == 0) >> + /* detection failed */ >> + return DVBFE_ALGO_SEARCH_FAILED; >> + >> + /* read modulation */ >> + ret = hd29l2_rd_reg_mask(priv, 0x7d,&modulation, 0x07); >> + if (ret) >> + goto err; >> + } else { >> + /* >> + * use manual mode >> + */ >> + >> + modulation = HD29L2_QAM64; >> + carrier = HD29L2_CARRIER_MULTI; >> + guard_interval = HD29L2_PN945; >> + interleave = HD29L2_INTERLEAVER_420; >> + code_rate = HD29L2_CODE_RATE_08; > > Hmm... all DMB-TH properties are already available at the DVB > core? It would be great if you could document what properties are > valid for this delivery system at the DocBook specs. > API does not know DMB-TH. I added those like documentation purposes that can be easily taken use when API supports. Now there is both AUTO and MANUAL implemented by driver, but it is forced as AUTO always since API does not support DMB-TH paramters. >> + >> + tmp = (code_rate<< 3) | modulation; >> + ret = hd29l2_wr_reg_mask(priv, 0x7d, tmp, 0x5f); >> + if (ret) >> + goto err; >> + >> + tmp = (carrier<< 2) | guard_interval; >> + ret = hd29l2_wr_reg_mask(priv, 0x81, tmp, 0x0f); >> + if (ret) >> + goto err; >> + >> + tmp = interleave; >> + ret = hd29l2_wr_reg_mask(priv, 0x82, tmp, 0x03); >> + if (ret) >> + goto err; >> + } >> + >> + /* ensure modulation validy */ >> + /* 0=QAM4_NR, 1=QAM4, 2=QAM16, 3=QAM32, 4=QAM64 */ >> + if (modulation> 4) { > > Please, don't use magic values. > > Instead, it should be something like: > ARRAY_SIZE(reg_mod_vals_tab[0].val) ? > > Still, I don't understand why modulation should be QAM64 when the > auto_mode is disabled. Shouldn't it be provided via a DVB property? API does not support DMB-TH params. See my earlier comment. > >> + dbg("%s: modulation=%d not valid", __func__, modulation); >> + goto err; >> + } >> + >> + /* program registers according to modulation */ >> + for (i = 0; i< ARRAY_SIZE(reg_mod_vals_tab); i++) { >> + ret = hd29l2_wr_reg(priv, reg_mod_vals_tab[i].reg, >> + reg_mod_vals_tab[i].val[modulation]); >> + if (ret) >> + goto err; >> + } >> + >> + /* read guard interval */ >> + ret = hd29l2_rd_reg_mask(priv, 0x81,&guard_interval, 0x03); >> + if (ret) >> + goto err; >> + >> + /* read carrier mode */ >> + ret = hd29l2_rd_reg_mask(priv, 0x81,&carrier, 0x04); >> + if (ret) >> + goto err; >> + >> + dbg("%s: modulation=%d guard_interval=%d carrier=%d", >> + __func__, modulation, guard_interval, carrier); >> + >> + if ((carrier == HD29L2_CARRIER_MULTI)&& (modulation == HD29L2_QAM64)&& >> + (guard_interval == HD29L2_PN945)) { >> + dbg("%s: C=3780&& QAM64&& PN945", __func__); >> + >> + ret = hd29l2_wr_reg(priv, 0x42, 0x33); >> + if (ret) >> + goto err; >> + >> + ret = hd29l2_wr_reg(priv, 0xdd, 0x01); >> + if (ret) >> + goto err; >> + } >> + >> + usleep_range(10000, 20000); >> + >> + /* soft reset */ >> + ret = hd29l2_soft_reset(priv); >> + if (ret) >> + goto err; >> + >> + /* wait demod lock */ >> + for (i = 30; i; i--) { >> + msleep(100); >> + >> + /* read lock bit */ >> + ret = hd29l2_rd_reg_mask(priv, 0x05,&tmp, 0x01); >> + if (ret) >> + goto err; >> + >> + if (tmp) >> + break; >> + } >> + >> + dbg("%s: loop=%d", __func__, i); >> + >> + if (i == 0) >> + return DVBFE_ALGO_SEARCH_AGAIN; >> + >> + return DVBFE_ALGO_SEARCH_SUCCESS; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return DVBFE_ALGO_SEARCH_ERROR; >> +} >> + >> +static int hd29l2_get_frontend_algo(struct dvb_frontend *fe) >> +{ >> + return DVBFE_ALGO_CUSTOM; >> +} >> + >> +static int hd29l2_get_frontend(struct dvb_frontend *fe, >> + struct dvb_frontend_parameters *p) >> +{ >> + int ret; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + struct dtv_frontend_properties *c =&fe->dtv_property_cache; >> + u8 buf[3]; >> + u32 if_ctl; >> + char *str_constellation, *str_code_rate, *str_constellation_code_rate, >> + *str_guard_interval, *str_carrier, *str_guard_interval_carrier, >> + *str_interleave, *str_interleave_; >> + >> + ret = hd29l2_rd_reg(priv, 0x7d,&buf[0]); >> + if (ret) >> + goto err; >> + >> + ret = hd29l2_rd_regs(priv, 0x81,&buf[1], 2); >> + if (ret) >> + goto err; >> + >> + /* constellation, 0x7d[2:0] */ >> + switch ((buf[0]>> 0)& 0x07) { >> + case 0: /* QAM4NR */ >> + str_constellation = "QAM4NR"; >> + c->modulation = QAM_AUTO; /* FIXME */ > > Please, don't abuse QAM_AUTO. API does not support DMB-TH. > >> + break; >> + case 1: /* QAM4 */ >> + str_constellation = "QAM4"; >> + c->modulation = QPSK; /* FIXME */ > > QPSK and QAM4 are two names for the same encoding. I wasn't 100% sure if those are same or not, thats why added comment. Maybe we should add #define QAM4 QPSK to API since QAM4 is much more commonly used. I think QPSK is seen mostly when dealing with DVB-T. > >> + break; >> + case 2: >> + str_constellation = "QAM16"; >> + c->modulation = QAM_16; >> + break; >> + case 3: >> + str_constellation = "QAM32"; >> + c->modulation = QAM_32; >> + break; >> + case 4: >> + str_constellation = "QAM64"; >> + c->modulation = QAM_64; >> + break; > > Please, avoid magic numbers. Instead, use macros for each > value. I disagree that. Those numbers are coming from demodulator register value. Same way is used almost every driver that supports reading current transmission params from the demod. > >> + default: >> + str_constellation = "?"; >> + } >> + >> + /* LDPC code rate, 0x7d[4:3] */ >> + switch ((buf[0]>> 3)& 0x03) { >> + case 0: /* 0.4 */ >> + str_code_rate = "0.4"; >> + c->fec_inner = FEC_AUTO; /* FIXME */ > > Also, please don't abuse FEC_AUTO. Should likely > be FEC_2_5, and you'll likely need to add it to the > API. True. It is same API issue again :) > >> + break; >> + case 1: /* 0.6 */ >> + str_code_rate = "0.6"; >> + c->fec_inner = FEC_3_5; >> + break; >> + case 2: /* 0.8 */ >> + str_code_rate = "0.8"; >> + c->fec_inner = FEC_4_5; >> + break; >> + default: >> + str_code_rate = "?"; >> + } >> + >> + /* constellation& code rate set, 0x7d[6] */ >> + switch ((buf[0]>> 6)& 0x01) { >> + case 0: >> + str_constellation_code_rate = "manual"; >> + break; >> + case 1: >> + str_constellation_code_rate = "auto"; >> + break; >> + default: >> + str_constellation_code_rate = "?"; >> + } >> + >> + /* frame header, 0x81[1:0] */ >> + switch ((buf[1]>> 0)& 0x03) { >> + case 0: /* PN945 */ >> + str_guard_interval = "PN945"; >> + c->guard_interval = GUARD_INTERVAL_AUTO; /* FIXME */ >> + break; >> + case 1: /* PN595 */ >> + str_guard_interval = "PN595"; >> + c->guard_interval = GUARD_INTERVAL_AUTO; /* FIXME */ >> + break; >> + case 2: /* PN420 */ >> + str_guard_interval = "PN420"; >> + c->guard_interval = GUARD_INTERVAL_AUTO; /* FIXME */ >> + break; > > Again, don't abuse over the API. Instead, add the proper guard > intervals into it. > API issue again. I did that because DMB-TH was not supported. Anyhow, I would like to ask why you even mention those as those are commented clearly to be not correctly? That is very commonly used method of our demod drivers. Look all existing DMB-TH drivers and you can see same. >> + default: >> + str_guard_interval = "?"; >> + } >> + >> + /* carrier, 0x81[2] */ >> + switch ((buf[1]>> 2)& 0x01) { >> + case 0: >> + str_carrier = "C=1"; >> + break; >> + case 1: >> + str_carrier = "C=3780"; >> + break; >> + default: >> + str_carrier = "?"; >> + } > > Probably, API needs to support it. I'm not familiar with DMB specs, > but I think you need to first send a patch adding support for it at > the DocBook and linux/dvb/frontends.h, and then add the driver. API issue. There is no interleaver defined. > >> + >> + /* frame header& carrier set, 0x81[3] */ >> + switch ((buf[1]>> 3)& 0x01) { >> + case 0: >> + str_guard_interval_carrier = "manual"; >> + break; >> + case 1: >> + str_guard_interval_carrier = "auto"; >> + break; >> + default: >> + str_guard_interval_carrier = "?"; >> + } >> + >> + /* interleave, 0x82[0] */ >> + switch ((buf[2]>> 0)& 0x01) { >> + case 0: >> + str_interleave = "M=720"; >> + break; >> + case 1: >> + str_interleave = "M=240"; >> + break; >> + default: >> + str_interleave = "?"; >> + } >> + >> + /* interleave set, 0x82[1] */ >> + switch ((buf[2]>> 1)& 0x01) { >> + case 0: >> + str_interleave_ = "manual"; >> + break; >> + case 1: >> + str_interleave_ = "auto"; >> + break; >> + default: >> + str_interleave_ = "?"; >> + } >> + >> + /* >> + * We can read out current detected NCO and use that value next >> + * time instead of calculating new value from targed IF. >> + * I think it will not effect receiver sensitivity but gaining lock >> + * after tune could be easier... >> + */ >> + ret = hd29l2_rd_regs(priv, 0xb1,&buf[0], 3); >> + if (ret) >> + goto err; >> + >> + if_ctl = (buf[0]<< 16) | ((buf[1] - 7)<< 8) | buf[2]; >> + >> + dbg("%s: %s %s %s | %s %s %s | %s %s | NCO=%06x", __func__, >> + str_constellation, str_code_rate, str_constellation_code_rate, >> + str_guard_interval, str_carrier, str_guard_interval_carrier, >> + str_interleave, str_interleave_, if_ctl); >> + >> + return 0; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static int hd29l2_init(struct dvb_frontend *fe) >> +{ >> + int ret, i; >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + u8 tmp; >> + static const struct reg_val tab[] = { >> + { 0x3a, 0x06 }, >> + { 0x3b, 0x03 }, >> + { 0x3c, 0x04 }, >> + { 0xaf, 0x06 }, >> + { 0xb0, 0x1b }, >> + { 0x80, 0x64 }, >> + { 0x10, 0x38 }, >> + }; >> + >> + dbg("%s:", __func__); >> + >> + /* reset demod */ >> + /* it is recommended to HW reset chip using RST_N pin */ >> + if (fe->callback) { >> + ret = fe->callback(fe, 0, 0, 0); > > This looks weird on my eyes. The fe->callback is tuner-dependent. > So, the command you should use there requires a test for the tuner > type. > > In other words, if you're needing to use it, the code should be doing > something similar to: > > if (fe->callback&& priv->tuner_type == TUNER_XC2028) > ret = fe->callback(fe, 0, XC2028_TUNER_RESET, 0); > > (the actual coding will depend on how do you store the tuner type, and > what are the commands for the tuner you're using) > > That's said, it probably makes sense to deprecate fe->callback in favor > or a more generic set of callbacks, like fe->tuner_reset(). Yes it is wrong because there was no DEMOD defined. But, the callback itself is correctly. IIRC there was only TUNER defined and no DEMOD. Look callback definition from the API. It is very simply to fix. But at the time left it like that, because I wanted to avoid touching one file more. I will fix it properly later (2 line change). And it was not a bug, it was just my known decision. I just forget to comment it as FIXME or TODO. >> + if (ret) >> + goto err; >> + >> + /* reprogramming needed because HW reset clears registers */ >> + priv->tuner_i2c_addr_programmed = false; >> + } >> + >> + /* init */ >> + for (i = 0; i< ARRAY_SIZE(tab); i++) { >> + ret = hd29l2_wr_reg(priv, tab[i].reg, tab[i].val); >> + if (ret) >> + goto err; >> + } >> + >> + /* TS params */ >> + ret = hd29l2_rd_reg(priv, 0x36,&tmp); >> + if (ret) >> + goto err; >> + >> + tmp&= 0x1b; >> + tmp |= priv->cfg.ts_mode; >> + ret = hd29l2_wr_reg(priv, 0x36, tmp); >> + if (ret) >> + goto err; >> + >> + ret = hd29l2_rd_reg(priv, 0x31,&tmp); >> + tmp&= 0xef; >> + >> + if (!(priv->cfg.ts_mode>> 7)) >> + /* set b4 for serial TS */ >> + tmp |= 0x10; >> + >> + ret = hd29l2_wr_reg(priv, 0x31, tmp); >> + if (ret) >> + goto err; >> + >> + return ret; >> +err: >> + dbg("%s: failed=%d", __func__, ret); >> + return ret; >> +} >> + >> +static void hd29l2_release(struct dvb_frontend *fe) >> +{ >> + struct hd29l2_priv *priv = fe->demodulator_priv; >> + kfree(priv); >> +} >> + >> +static struct dvb_frontend_ops hd29l2_ops; >> + >> +struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config, >> + struct i2c_adapter *i2c) >> +{ >> + int ret; >> + struct hd29l2_priv *priv = NULL; >> + u8 tmp; >> + >> + /* allocate memory for the internal state */ >> + priv = kzalloc(sizeof(struct hd29l2_priv), GFP_KERNEL); >> + if (priv == NULL) >> + goto err; >> + >> + /* setup the state */ >> + priv->i2c = i2c; >> + memcpy(&priv->cfg, config, sizeof(struct hd29l2_config)); >> + >> + >> + /* check if the demod is there */ >> + ret = hd29l2_rd_reg(priv, 0x00,&tmp); >> + if (ret) >> + goto err; >> + >> + /* create dvb_frontend */ >> + memcpy(&priv->fe.ops,&hd29l2_ops, sizeof(struct dvb_frontend_ops)); >> + priv->fe.demodulator_priv = priv; >> + >> + return&priv->fe; >> +err: >> + kfree(priv); >> + return NULL; >> +} >> +EXPORT_SYMBOL(hd29l2_attach); >> + >> +static struct dvb_frontend_ops hd29l2_ops = { >> + .info = { >> + .name = "HDIC HD29L2 DMB-TH", >> + .type = FE_OFDM, >> + .frequency_min = 474000000, >> + .frequency_max = 858000000, >> + .frequency_stepsize = 10000, >> + .caps = FE_CAN_FEC_AUTO | >> + FE_CAN_QPSK | >> + FE_CAN_QAM_16 | >> + FE_CAN_QAM_32 | >> + FE_CAN_QAM_64 | >> + FE_CAN_QAM_AUTO | >> + FE_CAN_TRANSMISSION_MODE_AUTO | >> + FE_CAN_BANDWIDTH_AUTO | >> + FE_CAN_GUARD_INTERVAL_AUTO | >> + FE_CAN_HIERARCHY_AUTO | >> + FE_CAN_RECOVER >> + }, >> + >> + .release = hd29l2_release, >> + >> + .init = hd29l2_init, >> + >> + .get_frontend_algo = hd29l2_get_frontend_algo, >> + .search = hd29l2_search, >> + .get_frontend = hd29l2_get_frontend, >> + >> + .read_status = hd29l2_read_status, >> + .read_snr = hd29l2_read_snr, >> + .read_signal_strength = hd29l2_read_signal_strength, >> + .read_ber = hd29l2_read_ber, >> + .read_ucblocks = hd29l2_read_ucblocks, >> + >> + .i2c_gate_ctrl = hd29l2_i2c_gate_ctrl, >> +}; >> + >> +MODULE_AUTHOR("Antti Palosaari<crope@iki.fi>"); >> +MODULE_DESCRIPTION("HDIC HD29L2 DMB-TH demodulator driver"); >> +MODULE_LICENSE("GPL"); >> diff --git a/drivers/media/dvb/frontends/hd29l2.h b/drivers/media/dvb/frontends/hd29l2.h >> new file mode 100644 >> index 0000000..a7a6443 >> --- /dev/null >> +++ b/drivers/media/dvb/frontends/hd29l2.h >> @@ -0,0 +1,66 @@ >> +/* >> + * HDIC HD29L2 DMB-TH demodulator driver >> + * >> + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D >> + * >> + * Author: 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., 675 Mass Ave, Cambridge, MA 02139, USA. >> + */ >> + >> +#ifndef HD29L2_H >> +#define HD29L2_H >> + >> +#include<linux/dvb/frontend.h> >> + >> +struct hd29l2_config { >> + /* >> + * demodulator I2C address >> + */ >> + u8 i2c_addr; >> + >> + /* >> + * tuner I2C address >> + * only needed when tuner is behind demod I2C-gate >> + */ >> + u8 tuner_i2c_addr; >> + >> + /* >> + * TS settings >> + */ >> +#define HD29L2_TS_SERIAL 0x00 >> +#define HD29L2_TS_PARALLEL 0x80 >> +#define HD29L2_TS_CLK_NORMAL 0x40 >> +#define HD29L2_TS_CLK_INVERTED 0x00 >> +#define HD29L2_TS_CLK_GATED 0x20 >> +#define HD29L2_TS_CLK_FREE 0x00 >> + u8 ts_mode; >> +}; >> + >> + >> +#if defined(CONFIG_DVB_HD29L2) || \ >> + (defined(CONFIG_DVB_HD29L2_MODULE)&& defined(MODULE)) >> +extern struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config, >> + struct i2c_adapter *i2c); >> +#else >> +static inline struct dvb_frontend *hd29l2_attach( >> +const struct hd29l2_config *config, struct i2c_adapter *i2c) >> +{ >> + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); >> + return NULL; >> +} >> +#endif >> + >> +#endif /* HD29L2_H */ >> diff --git a/drivers/media/dvb/frontends/hd29l2_priv.h b/drivers/media/dvb/frontends/hd29l2_priv.h >> new file mode 100644 >> index 0000000..ba16dc3 >> --- /dev/null >> +++ b/drivers/media/dvb/frontends/hd29l2_priv.h >> @@ -0,0 +1,314 @@ >> +/* >> + * HDIC HD29L2 DMB-TH demodulator driver >> + * >> + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D >> + * >> + * Author: 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., 675 Mass Ave, Cambridge, MA 02139, USA. >> + */ >> + >> +#ifndef HD29L2_PRIV >> +#define HD29L2_PRIV >> + >> +#include<linux/dvb/version.h> >> +#include "dvb_frontend.h" >> +#include "dvb_math.h" >> +#include "hd29l2.h" >> + >> +#define LOG_PREFIX "hd29l2" >> + >> +#undef dbg >> +#define dbg(f, arg...) \ >> + if (hd29l2_debug) \ >> + printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) >> +#undef err >> +#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg) >> +#undef info >> +#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) >> +#undef warn >> +#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg) >> + >> +#define HD29L2_XTAL 30400000 /* Hz */ >> + >> + >> +#define HD29L2_QAM4NR 0x00 >> +#define HD29L2_QAM4 0x01 >> +#define HD29L2_QAM16 0x02 >> +#define HD29L2_QAM32 0x03 >> +#define HD29L2_QAM64 0x04 >> + >> +#define HD29L2_CODE_RATE_04 0x00 >> +#define HD29L2_CODE_RATE_06 0x08 >> +#define HD29L2_CODE_RATE_08 0x10 >> + >> +#define HD29L2_PN945 0x00 >> +#define HD29L2_PN595 0x01 >> +#define HD29L2_PN420 0x02 >> + >> +#define HD29L2_CARRIER_SINGLE 0x00 >> +#define HD29L2_CARRIER_MULTI 0x01 >> + >> +#define HD29L2_INTERLEAVER_720 0x00 >> +#define HD29L2_INTERLEAVER_420 0x01 >> + >> +struct reg_val { >> + u8 reg; >> + u8 val; >> +}; >> + >> +struct reg_mod_vals { >> + u8 reg; >> + u8 val[5]; >> +}; >> + >> +struct hd29l2_priv { >> + struct i2c_adapter *i2c; >> + struct dvb_frontend fe; >> + struct hd29l2_config cfg; >> + u8 tuner_i2c_addr_programmed:1; >> + >> + fe_status_t fe_status; >> +}; >> + >> +static const struct reg_mod_vals reg_mod_vals_tab[] = { >> + /* REG, QAM4NR, QAM4,QAM16,QAM32,QAM64 */ >> + { 0x01, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, >> + { 0x02, { 0x07, 0x07, 0x07, 0x07, 0x07 } }, >> + { 0x03, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, >> + { 0x04, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x05, { 0x61, 0x60, 0x60, 0x61, 0x60 } }, >> + { 0x06, { 0xff, 0xff, 0xff, 0xff, 0xff } }, >> + { 0x07, { 0xff, 0xff, 0xff, 0xff, 0xff } }, >> + { 0x08, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x09, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x0a, { 0x15, 0x15, 0x03, 0x03, 0x03 } }, >> + { 0x0d, { 0x78, 0x78, 0x88, 0x78, 0x78 } }, >> + { 0x0e, { 0xa0, 0x90, 0xa0, 0xa0, 0xa0 } }, >> + { 0x0f, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x10, { 0xa0, 0xa0, 0x58, 0x38, 0x38 } }, >> + { 0x11, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x12, { 0x5a, 0x5a, 0x5a, 0x5a, 0x5a } }, >> + { 0x13, { 0xa2, 0xa2, 0xa2, 0xa2, 0xa2 } }, >> + { 0x17, { 0x40, 0x40, 0x40, 0x40, 0x40 } }, >> + { 0x18, { 0x21, 0x21, 0x42, 0x52, 0x42 } }, >> + { 0x19, { 0x21, 0x21, 0x62, 0x72, 0x62 } }, >> + { 0x1a, { 0x32, 0x43, 0xa9, 0xb9, 0xa9 } }, >> + { 0x1b, { 0x32, 0x43, 0xb9, 0xd8, 0xb9 } }, >> + { 0x1c, { 0x02, 0x02, 0x03, 0x02, 0x03 } }, >> + { 0x1d, { 0x0c, 0x0c, 0x01, 0x02, 0x02 } }, >> + { 0x1e, { 0x02, 0x02, 0x02, 0x01, 0x02 } }, >> + { 0x1f, { 0x02, 0x02, 0x01, 0x02, 0x04 } }, >> + { 0x20, { 0x01, 0x02, 0x01, 0x01, 0x01 } }, >> + { 0x21, { 0x08, 0x08, 0x0a, 0x0a, 0x0a } }, >> + { 0x22, { 0x06, 0x06, 0x04, 0x05, 0x05 } }, >> + { 0x23, { 0x06, 0x06, 0x05, 0x03, 0x05 } }, >> + { 0x24, { 0x08, 0x08, 0x05, 0x07, 0x07 } }, >> + { 0x25, { 0x16, 0x10, 0x10, 0x0a, 0x10 } }, >> + { 0x26, { 0x14, 0x14, 0x04, 0x04, 0x04 } }, >> + { 0x27, { 0x58, 0x58, 0x58, 0x5c, 0x58 } }, >> + { 0x28, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0x29, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0x2a, { 0x08, 0x0a, 0x08, 0x08, 0x08 } }, >> + { 0x2b, { 0x08, 0x08, 0x08, 0x08, 0x08 } }, >> + { 0x2c, { 0x06, 0x06, 0x06, 0x06, 0x06 } }, >> + { 0x2d, { 0x05, 0x06, 0x06, 0x06, 0x06 } }, >> + { 0x2e, { 0x21, 0x21, 0x21, 0x21, 0x21 } }, >> + { 0x2f, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x30, { 0x14, 0x14, 0x14, 0x14, 0x14 } }, >> + { 0x33, { 0xb7, 0xb7, 0xb7, 0xb7, 0xb7 } }, >> + { 0x34, { 0x81, 0x81, 0x81, 0x81, 0x81 } }, >> + { 0x35, { 0x80, 0x80, 0x80, 0x80, 0x80 } }, >> + { 0x37, { 0x70, 0x70, 0x70, 0x70, 0x70 } }, >> + { 0x38, { 0x04, 0x04, 0x02, 0x02, 0x02 } }, >> + { 0x39, { 0x07, 0x07, 0x05, 0x05, 0x05 } }, >> + { 0x3a, { 0x06, 0x06, 0x06, 0x06, 0x06 } }, >> + { 0x3b, { 0x03, 0x03, 0x03, 0x03, 0x03 } }, >> + { 0x3c, { 0x07, 0x06, 0x04, 0x04, 0x04 } }, >> + { 0x3d, { 0xf0, 0xf0, 0xf0, 0xf0, 0x80 } }, >> + { 0x3e, { 0x60, 0x60, 0x60, 0x60, 0xff } }, >> + { 0x3f, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x40, { 0x5b, 0x5b, 0x5b, 0x57, 0x50 } }, >> + { 0x41, { 0x30, 0x30, 0x30, 0x30, 0x18 } }, >> + { 0x42, { 0x20, 0x20, 0x20, 0x00, 0x30 } }, >> + { 0x43, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x44, { 0x3f, 0x3f, 0x3f, 0x3f, 0x3f } }, >> + { 0x45, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x46, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0x47, { 0x00, 0x00, 0x95, 0x00, 0x95 } }, >> + { 0x48, { 0xc0, 0xc0, 0xc0, 0xc0, 0xc0 } }, >> + { 0x49, { 0xc0, 0xc0, 0xc0, 0xc0, 0xc0 } }, >> + { 0x4a, { 0x40, 0x40, 0x33, 0x11, 0x11 } }, >> + { 0x4b, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, >> + { 0x4c, { 0x40, 0x40, 0x99, 0x11, 0x11 } }, >> + { 0x4d, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, >> + { 0x4e, { 0x40, 0x40, 0x66, 0x77, 0x77 } }, >> + { 0x4f, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, >> + { 0x50, { 0x40, 0x40, 0x88, 0x33, 0x11 } }, >> + { 0x51, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, >> + { 0x52, { 0x40, 0x40, 0x88, 0x02, 0x02 } }, >> + { 0x53, { 0x40, 0x40, 0x00, 0x02, 0x02 } }, >> + { 0x54, { 0x00, 0x00, 0x88, 0x33, 0x33 } }, >> + { 0x55, { 0x40, 0x40, 0x00, 0x00, 0x00 } }, >> + { 0x56, { 0x00, 0x00, 0x00, 0x0b, 0x00 } }, >> + { 0x57, { 0x40, 0x40, 0x0a, 0x0b, 0x0a } }, >> + { 0x58, { 0xaa, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x59, { 0x7a, 0x40, 0x02, 0x02, 0x02 } }, >> + { 0x5a, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, >> + { 0x5b, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, >> + { 0x5c, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, >> + { 0x5d, { 0x18, 0x18, 0x01, 0x01, 0x01 } }, >> + { 0x5e, { 0xc0, 0xc0, 0xc0, 0xff, 0xc0 } }, >> + { 0x5f, { 0xc0, 0xc0, 0xc0, 0xff, 0xc0 } }, >> + { 0x60, { 0x40, 0x40, 0x00, 0x30, 0x30 } }, >> + { 0x61, { 0x40, 0x40, 0x10, 0x30, 0x30 } }, >> + { 0x62, { 0x40, 0x40, 0x00, 0x30, 0x30 } }, >> + { 0x63, { 0x40, 0x40, 0x05, 0x30, 0x30 } }, >> + { 0x64, { 0x40, 0x40, 0x06, 0x00, 0x30 } }, >> + { 0x65, { 0x40, 0x40, 0x06, 0x08, 0x30 } }, >> + { 0x66, { 0x40, 0x40, 0x00, 0x00, 0x20 } }, >> + { 0x67, { 0x40, 0x40, 0x01, 0x04, 0x20 } }, >> + { 0x68, { 0x00, 0x00, 0x30, 0x00, 0x20 } }, >> + { 0x69, { 0xa0, 0xa0, 0x00, 0x08, 0x20 } }, >> + { 0x6a, { 0x00, 0x00, 0x30, 0x00, 0x25 } }, >> + { 0x6b, { 0xa0, 0xa0, 0x00, 0x06, 0x25 } }, >> + { 0x6c, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x6d, { 0xa0, 0x60, 0x0c, 0x03, 0x0c } }, >> + { 0x6e, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x6f, { 0xa0, 0x60, 0x04, 0x01, 0x04 } }, >> + { 0x70, { 0x58, 0x58, 0xaa, 0xaa, 0xaa } }, >> + { 0x71, { 0x58, 0x58, 0xaa, 0xaa, 0xaa } }, >> + { 0x72, { 0x58, 0x58, 0xff, 0xff, 0xff } }, >> + { 0x73, { 0x58, 0x58, 0xff, 0xff, 0xff } }, >> + { 0x74, { 0x06, 0x06, 0x09, 0x05, 0x05 } }, >> + { 0x75, { 0x06, 0x06, 0x0a, 0x10, 0x10 } }, >> + { 0x76, { 0x10, 0x10, 0x06, 0x0a, 0x0a } }, >> + { 0x77, { 0x12, 0x18, 0x28, 0x10, 0x28 } }, >> + { 0x78, { 0xf8, 0xf8, 0xf8, 0xf8, 0xf8 } }, >> + { 0x79, { 0x15, 0x15, 0x03, 0x03, 0x03 } }, >> + { 0x7a, { 0x02, 0x02, 0x01, 0x04, 0x03 } }, >> + { 0x7b, { 0x01, 0x02, 0x03, 0x03, 0x03 } }, >> + { 0x7c, { 0x28, 0x28, 0x28, 0x28, 0x28 } }, >> + { 0x7f, { 0x25, 0x92, 0x5f, 0x17, 0x2d } }, >> + { 0x80, { 0x64, 0x64, 0x64, 0x74, 0x64 } }, >> + { 0x83, { 0x06, 0x03, 0x04, 0x04, 0x04 } }, >> + { 0x84, { 0xff, 0xff, 0xff, 0xff, 0xff } }, >> + { 0x85, { 0x05, 0x05, 0x05, 0x05, 0x05 } }, >> + { 0x86, { 0x00, 0x00, 0x11, 0x11, 0x11 } }, >> + { 0x87, { 0x03, 0x03, 0x03, 0x03, 0x03 } }, >> + { 0x88, { 0x09, 0x09, 0x09, 0x09, 0x09 } }, >> + { 0x89, { 0x20, 0x20, 0x30, 0x20, 0x20 } }, >> + { 0x8a, { 0x03, 0x03, 0x02, 0x03, 0x02 } }, >> + { 0x8b, { 0x00, 0x07, 0x09, 0x00, 0x09 } }, >> + { 0x8c, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x8d, { 0x4f, 0x4f, 0x4f, 0x3f, 0x4f } }, >> + { 0x8e, { 0xf0, 0xf0, 0x60, 0xf0, 0xa0 } }, >> + { 0x8f, { 0xe8, 0xe8, 0xe8, 0xe8, 0xe8 } }, >> + { 0x90, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, >> + { 0x91, { 0x40, 0x40, 0x70, 0x70, 0x10 } }, >> + { 0x92, { 0x00, 0x00, 0x00, 0x00, 0x04 } }, >> + { 0x93, { 0x60, 0x60, 0x60, 0x60, 0x60 } }, >> + { 0x94, { 0x00, 0x00, 0x00, 0x00, 0x03 } }, >> + { 0x95, { 0x09, 0x09, 0x47, 0x47, 0x47 } }, >> + { 0x96, { 0x80, 0xa0, 0xa0, 0x40, 0xa0 } }, >> + { 0x97, { 0x60, 0x60, 0x60, 0x60, 0x60 } }, >> + { 0x98, { 0x50, 0x50, 0x50, 0x30, 0x50 } }, >> + { 0x99, { 0x10, 0x10, 0x10, 0x10, 0x10 } }, >> + { 0x9a, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0x9b, { 0x40, 0x40, 0x40, 0x30, 0x40 } }, >> + { 0x9c, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa0, { 0xf0, 0xf0, 0xf0, 0xf0, 0xf0 } }, >> + { 0xa1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa2, { 0x30, 0x30, 0x00, 0x30, 0x00 } }, >> + { 0xa3, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa4, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa5, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa6, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa7, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xa8, { 0x77, 0x77, 0x77, 0x77, 0x77 } }, >> + { 0xa9, { 0x02, 0x02, 0x02, 0x02, 0x02 } }, >> + { 0xaa, { 0x40, 0x40, 0x40, 0x40, 0x40 } }, >> + { 0xac, { 0x1f, 0x1f, 0x1f, 0x1f, 0x1f } }, >> + { 0xad, { 0x14, 0x14, 0x14, 0x14, 0x14 } }, >> + { 0xae, { 0x78, 0x78, 0x78, 0x78, 0x78 } }, >> + { 0xaf, { 0x06, 0x06, 0x06, 0x06, 0x07 } }, >> + { 0xb0, { 0x1b, 0x1b, 0x1b, 0x19, 0x1b } }, >> + { 0xb1, { 0x18, 0x17, 0x17, 0x18, 0x17 } }, >> + { 0xb2, { 0x35, 0x82, 0x82, 0x38, 0x82 } }, >> + { 0xb3, { 0xb6, 0xce, 0xc7, 0x5c, 0xb0 } }, >> + { 0xb4, { 0x3f, 0x3e, 0x3e, 0x3f, 0x3e } }, >> + { 0xb5, { 0x70, 0x58, 0x50, 0x68, 0x50 } }, >> + { 0xb6, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xb7, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xb8, { 0x03, 0x03, 0x01, 0x01, 0x01 } }, >> + { 0xb9, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xba, { 0x06, 0x06, 0x0a, 0x05, 0x0a } }, >> + { 0xbb, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xbc, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xbd, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xbe, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xbf, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xc0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xc1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xc2, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xc3, { 0x00, 0x00, 0x88, 0x66, 0x88 } }, >> + { 0xc4, { 0x10, 0x10, 0x00, 0x00, 0x00 } }, >> + { 0xc5, { 0x00, 0x00, 0x44, 0x60, 0x44 } }, >> + { 0xc6, { 0x10, 0x0a, 0x00, 0x00, 0x00 } }, >> + { 0xc7, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xc8, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xc9, { 0x90, 0x04, 0x00, 0x00, 0x00 } }, >> + { 0xca, { 0x90, 0x08, 0x01, 0x01, 0x01 } }, >> + { 0xcb, { 0xa0, 0x04, 0x00, 0x44, 0x00 } }, >> + { 0xcc, { 0xa0, 0x10, 0x03, 0x00, 0x03 } }, >> + { 0xcd, { 0x06, 0x06, 0x06, 0x05, 0x06 } }, >> + { 0xce, { 0x05, 0x05, 0x01, 0x01, 0x01 } }, >> + { 0xcf, { 0x40, 0x20, 0x18, 0x18, 0x18 } }, >> + { 0xd0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xd1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xd2, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xd3, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xd4, { 0x05, 0x05, 0x05, 0x05, 0x05 } }, >> + { 0xd5, { 0x05, 0x05, 0x05, 0x03, 0x05 } }, >> + { 0xd6, { 0xac, 0x22, 0xca, 0x8f, 0xca } }, >> + { 0xd7, { 0x20, 0x20, 0x20, 0x20, 0x20 } }, >> + { 0xd8, { 0x01, 0x01, 0x01, 0x01, 0x01 } }, >> + { 0xd9, { 0x00, 0x00, 0x0f, 0x00, 0x0f } }, >> + { 0xda, { 0x00, 0xff, 0xff, 0x0e, 0xff } }, >> + { 0xdb, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0xdc, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0xdd, { 0x05, 0x05, 0x05, 0x05, 0x05 } }, >> + { 0xde, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0xdf, { 0x42, 0x42, 0x44, 0x44, 0x04 } }, >> + { 0xe0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xe1, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xe2, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xe3, { 0x00, 0x00, 0x26, 0x06, 0x26 } }, >> + { 0xe4, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xe5, { 0x01, 0x0a, 0x01, 0x01, 0x01 } }, >> + { 0xe6, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xe7, { 0x08, 0x08, 0x08, 0x08, 0x08 } }, >> + { 0xe8, { 0x63, 0x63, 0x63, 0x63, 0x63 } }, >> + { 0xe9, { 0x59, 0x59, 0x59, 0x59, 0x59 } }, >> + { 0xea, { 0x80, 0x80, 0x20, 0x80, 0x80 } }, >> + { 0xeb, { 0x37, 0x37, 0x78, 0x37, 0x77 } }, >> + { 0xec, { 0x1f, 0x1f, 0x25, 0x25, 0x25 } }, >> + { 0xed, { 0x0a, 0x0a, 0x0a, 0x0a, 0x0a } }, >> + { 0xee, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> + { 0xef, { 0x70, 0x70, 0x58, 0x38, 0x58 } }, >> + { 0xf0, { 0x00, 0x00, 0x00, 0x00, 0x00 } }, >> +}; >> + >> +#endif /* HD29L2_PRIV */ >> -- >> 1.7.7.4 >> > After all as I see there is no big bugs. Those findings are mostly related of missing DMB-TH API support (and was even commented clearly). And 1-2 CodingStyle issues. As there is still few other DMB-TH drivers having similar issues already in the master I don't see why not to add that too. Anyhow, if you see that must be put to staging until DMB-TH is defined to API it is OK for me. regards Antti -- http://palosaari.fi/ ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver 2011-12-20 14:52 ` Antti Palosaari @ 2011-12-20 15:26 ` Mauro Carvalho Chehab 2011-12-20 15:42 ` Antti Palosaari [not found] ` <CAOcJUbygkw-UJ4=V3vsRT8VtdrjhNwng9KQr_FFe=CdsybUBXQ@mail.gmail.com> 0 siblings, 2 replies; 11+ messages in thread From: Mauro Carvalho Chehab @ 2011-12-20 15:26 UTC (permalink / raw) To: Antti Palosaari; +Cc: linux-media On 20-12-2011 12:52, Antti Palosaari wrote: > On 12/20/2011 03:39 PM, Mauro Carvalho Chehab wrote: >>> + >>> + /* ensure modulation validy */ >>> + /* 0=QAM4_NR, 1=QAM4, 2=QAM16, 3=QAM32, 4=QAM64 */ >>> + if (modulation> 4) { >> >> Please, don't use magic values. >> >> Instead, it should be something like: >> ARRAY_SIZE(reg_mod_vals_tab[0].val) > ? Why "4" and not "8" (or whatever)? You're using 4 to avoid a buffer overflow on your table. As such, please explicitly code it with ARRAY_SIZE, instead of using a 4 "magic" number. > >> >> Still, I don't understand why modulation should be QAM64 when the >> auto_mode is disabled. Shouldn't it be provided via a DVB property? > > API does not support DMB-TH params. See my earlier comment. Ok, add support for it then ;) >>> + break; >>> + case 1: /* QAM4 */ >>> + str_constellation = "QAM4"; >>> + c->modulation = QPSK; /* FIXME */ >> >> QPSK and QAM4 are two names for the same encoding. > > I wasn't 100% sure if those are same or not, thats why added comment. > > Maybe we should add #define QAM4 QPSK to API since QAM4 is much more commonly used. > I think QPSK is seen mostly when dealing with DVB-T. I would just add a comment at the frontends.h file. Otherwise, we would need to replace it on every place. >> >>> + break; >>> + case 2: >>> + str_constellation = "QAM16"; >>> + c->modulation = QAM_16; >>> + break; >>> + case 3: >>> + str_constellation = "QAM32"; >>> + c->modulation = QAM_32; >>> + break; >>> + case 4: >>> + str_constellation = "QAM64"; >>> + c->modulation = QAM_64; >>> + break; >> >> Please, avoid magic numbers. Instead, use macros for each >> value. > > I disagree that. Those numbers are coming from demodulator > register value. Same way is used almost every driver that > supports reading current transmission params from the demod. There are drivers that don't code it well, but it is always preferred to use macros for register values. Good drivers have it. >> Again, don't abuse over the API. Instead, add the proper guard >> intervals into it. >> > API issue again. I did that because DMB-TH was not supported. > > Anyhow, I would like to ask why you even mention those as those are commented clearly to be not correctly? > > That is very commonly used method of our demod drivers. Look all existing DMB-TH drivers and you can see same. The other DMB drivers are ugly and only support whatever they call "auto". I won't doubt that they implement only a subset of the existing modulations, FEC's, etc. I wouldn't be surprised if they only support whatever someone discovered from sniffing the i2c traffic. >>> + /* reset demod */ >>> + /* it is recommended to HW reset chip using RST_N pin */ >>> + if (fe->callback) { >>> + ret = fe->callback(fe, 0, 0, 0); >> >> This looks weird on my eyes. The fe->callback is tuner-dependent. >> So, the command you should use there requires a test for the tuner >> type. >> >> In other words, if you're needing to use it, the code should be doing >> something similar to: >> >> if (fe->callback&& priv->tuner_type == TUNER_XC2028) >> ret = fe->callback(fe, 0, XC2028_TUNER_RESET, 0); >> >> (the actual coding will depend on how do you store the tuner type, and >> what are the commands for the tuner you're using) >> >> That's said, it probably makes sense to deprecate fe->callback in favor >> or a more generic set of callbacks, like fe->tuner_reset(). > > Yes it is wrong because there was no DEMOD defined. But, the callback > itself is correctly. IIRC there was only TUNER defined and no DEMOD. > Look callback definition from the API. It is very simply to fix. But at > the time left it like that, because I wanted to avoid touching one file > more. I will fix it properly later (2 line change). > > And it was not a bug, it was just my known decision. I just forget to comment it as FIXME or TODO. Feel free to touch on other files, provided that you fix that. There's no default behavior for fe->callback, as it were written in order to provide ways for the tuner to call the bridge driver for some device-specific reasons. So, the commands are defined with macros, and the callback code should be device-specific. > After all as I see there is no big bugs. Those findings are mostly related > of missing DMB-TH API support (and was even commented clearly). And 1-2 CodingStyle issues. One issue is pure CodingStyle. The other no-API related aren't. > As there is still few other DMB-TH drivers having similar issues already in > the master I don't see why not to add that too. Anyhow, if you see that must > be put to staging until DMB-TH is defined to API it is OK for me. Please fix the non-API related issues. If you ack to provide us the API improvements for DMB for 3.4, and get rid of "auto_mode = true" for all cases, I'm ok on merging it after the fixes at drivers/media/dvb. Regards, Mauro ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver 2011-12-20 15:26 ` Mauro Carvalho Chehab @ 2011-12-20 15:42 ` Antti Palosaari 2011-12-20 16:25 ` Patrick Boettcher [not found] ` <CAOcJUbygkw-UJ4=V3vsRT8VtdrjhNwng9KQr_FFe=CdsybUBXQ@mail.gmail.com> 1 sibling, 1 reply; 11+ messages in thread From: Antti Palosaari @ 2011-12-20 15:42 UTC (permalink / raw) To: Mauro Carvalho Chehab; +Cc: linux-media On 12/20/2011 05:26 PM, Mauro Carvalho Chehab wrote: > On 20-12-2011 12:52, Antti Palosaari wrote: >> On 12/20/2011 03:39 PM, Mauro Carvalho Chehab wrote: >>>> + break; >>>> + case 2: >>>> + str_constellation = "QAM16"; >>>> + c->modulation = QAM_16; >>>> + break; >>>> + case 3: >>>> + str_constellation = "QAM32"; >>>> + c->modulation = QAM_32; >>>> + break; >>>> + case 4: >>>> + str_constellation = "QAM64"; >>>> + c->modulation = QAM_64; >>>> + break; >>> >>> Please, avoid magic numbers. Instead, use macros for each >>> value. >> >> I disagree that. Those numbers are coming from demodulator >> register value. Same way is used almost every driver that >> supports reading current transmission params from the demod. > > There are drivers that don't code it well, but it is always preferred > to use macros for register values. Good drivers have it. I still disagree. Are we speaking same issue? val = read_reg(rgister) switch (val) { case 2: c->modulation = QAM_16; break; case 3: c->modulation = QAM_32; break; } Why I should define macros here? Or do you mean I should define macros for the selecting correct bits from the register? Anyhow, for me that piece of code looks very clear. And it is used similarly very many drivers. >> After all as I see there is no big bugs. Those findings are mostly related >> of missing DMB-TH API support (and was even commented clearly). And 1-2 CodingStyle issues. > > One issue is pure CodingStyle. The other no-API related aren't. > >> As there is still few other DMB-TH drivers having similar issues already in >> the master I don't see why not to add that too. Anyhow, if you see that must >> be put to staging until DMB-TH is defined to API it is OK for me. > > Please fix the non-API related issues. If you ack to provide us the API improvements > for DMB for 3.4, and get rid of "auto_mode = true" for all cases, I'm > ok on merging it after the fixes at drivers/media/dvb. If I don't add DMB-TH support to API you will push that to the staging? Adding those to API is not mission impossible. Interleaver is only new parameter and all the rest are just extending values. But my time is limited... and I really would like to finally got Anysee smart card reader integrated to USB serial first. regards Antti -- http://palosaari.fi/ ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver 2011-12-20 15:42 ` Antti Palosaari @ 2011-12-20 16:25 ` Patrick Boettcher 2011-12-20 17:16 ` [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv Antti Palosaari 0 siblings, 1 reply; 11+ messages in thread From: Patrick Boettcher @ 2011-12-20 16:25 UTC (permalink / raw) To: Antti Palosaari; +Cc: Mauro Carvalho Chehab, linux-media Hi all, On Tuesday 20 December 2011 16:42:53 Antti Palosaari wrote: > Adding those to API is not mission impossible. Interleaver is only > new parameter and all the rest are just extending values. But my > time is limited... and I really would like to finally got Anysee > smart card reader integrated to USB serial first. And if it is added we should not forget to discuess whether DMB-TH is the "right" name. (If this has already been addressed in another thread please point me to it). I know this standard under at least 2 different names: CTTB and DTMB. Which is the one to choose? best regards, -- Patrick Kernel Labs Inc. http://www.kernellabs.com/ ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv 2011-12-20 16:25 ` Patrick Boettcher @ 2011-12-20 17:16 ` Antti Palosaari 2011-12-20 18:01 ` Antti Palosaari 0 siblings, 1 reply; 11+ messages in thread From: Antti Palosaari @ 2011-12-20 17:16 UTC (permalink / raw) To: Patrick Boettcher; +Cc: Mauro Carvalho Chehab, linux-media On 12/20/2011 06:25 PM, Patrick Boettcher wrote: > Hi all, > > On Tuesday 20 December 2011 16:42:53 Antti Palosaari wrote: >> Adding those to API is not mission impossible. Interleaver is only >> new parameter and all the rest are just extending values. But my >> time is limited... and I really would like to finally got Anysee >> smart card reader integrated to USB serial first. > > And if it is added we should not forget to discuess whether DMB-TH is > the "right" name. (If this has already been addressed in another thread > please point me to it). > > I know this standard under at least 2 different names: CTTB and DTMB. > > Which is the one to choose? Yes, there is many names and it is not even clear for me what are differences between names. I called it DMB-TH since existing Kernel drivers have selected that name. http://en.wikipedia.org/wiki/CMMB http://en.wikipedia.org/wiki/DTMB http://en.wikipedia.org/wiki/Digital_Multimedia_Broadcasting http://en.wikipedia.org/wiki/Digital_Terrestrial_Multimedia_Broadcast CMMB CTTB DTMB (DTMB-T/H, DMB-T/H) DMB (T-DMB) Antti -- http://palosaari.fi/ ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv 2011-12-20 17:16 ` [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv Antti Palosaari @ 2011-12-20 18:01 ` Antti Palosaari 2011-12-20 18:09 ` Mauro Carvalho Chehab 0 siblings, 1 reply; 11+ messages in thread From: Antti Palosaari @ 2011-12-20 18:01 UTC (permalink / raw) To: Patrick Boettcher; +Cc: Mauro Carvalho Chehab, linux-media On 12/20/2011 07:16 PM, Antti Palosaari wrote: > On 12/20/2011 06:25 PM, Patrick Boettcher wrote: >> Hi all, >> >> On Tuesday 20 December 2011 16:42:53 Antti Palosaari wrote: >>> Adding those to API is not mission impossible. Interleaver is only >>> new parameter and all the rest are just extending values. But my >>> time is limited... and I really would like to finally got Anysee >>> smart card reader integrated to USB serial first. >> >> And if it is added we should not forget to discuess whether DMB-TH is >> the "right" name. (If this has already been addressed in another thread >> please point me to it). >> >> I know this standard under at least 2 different names: CTTB and DTMB. >> >> Which is the one to choose? > > Yes, there is many names and it is not even clear for me what are > differences between names. I called it DMB-TH since existing Kernel > drivers have selected that name. > > http://en.wikipedia.org/wiki/CMMB > http://en.wikipedia.org/wiki/DTMB > http://en.wikipedia.org/wiki/Digital_Multimedia_Broadcasting > http://en.wikipedia.org/wiki/Digital_Terrestrial_Multimedia_Broadcast > > CMMB > CTTB > DTMB (DTMB-T/H, DMB-T/H) > DMB (T-DMB) DMB seems to be much different so drop it out. DTMB seems to be official term for DMB-T/H. CMMB seems to be for small devices (mobile), maybe subset of DTMB. Finally I have CTTB and DTMB which seems to be equivalents. DTMB is more common. So I end up for the DTMB. I give my vote for that. regards Antti -- http://palosaari.fi/ ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv 2011-12-20 18:01 ` Antti Palosaari @ 2011-12-20 18:09 ` Mauro Carvalho Chehab 2011-12-21 8:44 ` Patrick Boettcher 0 siblings, 1 reply; 11+ messages in thread From: Mauro Carvalho Chehab @ 2011-12-20 18:09 UTC (permalink / raw) To: Antti Palosaari; +Cc: Patrick Boettcher, linux-media On 20-12-2011 16:01, Antti Palosaari wrote: > On 12/20/2011 07:16 PM, Antti Palosaari wrote: >> On 12/20/2011 06:25 PM, Patrick Boettcher wrote: >>> Hi all, >>> >>> On Tuesday 20 December 2011 16:42:53 Antti Palosaari wrote: >>>> Adding those to API is not mission impossible. Interleaver is only >>>> new parameter and all the rest are just extending values. But my >>>> time is limited... and I really would like to finally got Anysee >>>> smart card reader integrated to USB serial first. >>> >>> And if it is added we should not forget to discuess whether DMB-TH is >>> the "right" name. (If this has already been addressed in another thread >>> please point me to it). >>> >>> I know this standard under at least 2 different names: CTTB and DTMB. >>> >>> Which is the one to choose? >> >> Yes, there is many names and it is not even clear for me what are >> differences between names. I called it DMB-TH since existing Kernel >> drivers have selected that name. >> >> http://en.wikipedia.org/wiki/CMMB >> http://en.wikipedia.org/wiki/DTMB >> http://en.wikipedia.org/wiki/Digital_Multimedia_Broadcasting >> http://en.wikipedia.org/wiki/Digital_Terrestrial_Multimedia_Broadcast >> >> CMMB >> CTTB >> DTMB (DTMB-T/H, DMB-T/H) >> DMB (T-DMB) > > DMB seems to be much different so drop it out. DTMB seems to be official term for DMB-T/H. CMMB seems to be for small devices (mobile), maybe subset of DTMB. Finally I have CTTB and DTMB which seems to be equivalents. DTMB is more common. > > So I end up for the DTMB. I give my vote for that. I also vote for DTMB. It seems to be the more adequate one. Regards, Mauro ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv 2011-12-20 18:09 ` Mauro Carvalho Chehab @ 2011-12-21 8:44 ` Patrick Boettcher 0 siblings, 0 replies; 11+ messages in thread From: Patrick Boettcher @ 2011-12-21 8:44 UTC (permalink / raw) To: Mauro Carvalho Chehab; +Cc: Antti Palosaari, linux-media On Tuesday 20 December 2011 19:09:14 Mauro Carvalho Chehab wrote: > On 20-12-2011 16:01, Antti Palosaari wrote: > > On 12/20/2011 07:16 PM, Antti Palosaari wrote: > >> On 12/20/2011 06:25 PM, Patrick Boettcher wrote: > >>> Hi all, > >>> > >>> On Tuesday 20 December 2011 16:42:53 Antti Palosaari wrote: > >>>> Adding those to API is not mission impossible. Interleaver is > >>>> only new parameter and all the rest are just extending values. > >>>> But my time is limited... and I really would like to finally > >>>> got Anysee smart card reader integrated to USB serial first. > >>> > >>> And if it is added we should not forget to discuess whether > >>> DMB-TH is the "right" name. (If this has already been addressed > >>> in another thread please point me to it). > >>> > >>> I know this standard under at least 2 different names: CTTB and > >>> DTMB. > >>> > >>> Which is the one to choose? > >> > >> Yes, there is many names and it is not even clear for me what are > >> differences between names. I called it DMB-TH since existing > >> Kernel drivers have selected that name. > >> > >> http://en.wikipedia.org/wiki/CMMB > >> http://en.wikipedia.org/wiki/DTMB > >> http://en.wikipedia.org/wiki/Digital_Multimedia_Broadcasting > >> http://en.wikipedia.org/wiki/Digital_Terrestrial_Multimedia_Broadc > >> ast > >> > >> CMMB > >> CTTB > >> DTMB (DTMB-T/H, DMB-T/H) > >> DMB (T-DMB) > > > > DMB seems to be much different so drop it out. DTMB seems to be > > official term for DMB-T/H. CMMB seems to be for small devices > > (mobile), maybe subset of DTMB. Finally I have CTTB and DTMB which > > seems to be equivalents. DTMB is more common. > > > > So I end up for the DTMB. I give my vote for that. CMMB has nothing to do with DTMB/CTTB. It modulations parameters and physical/link layers are completely different compared to CMMB. I'll vote for CTTB as this is the (latest) official name. At least this is what DiBcom's Chinese representatives state. Maybe there are some Chinese on this list to enlighten this situation? -- Patrick Boettcher Kernel Labs Inc. http://www.kernellabs.com/ ^ permalink raw reply [flat|nested] 11+ messages in thread
[parent not found: <CAOcJUbygkw-UJ4=V3vsRT8VtdrjhNwng9KQr_FFe=CdsybUBXQ@mail.gmail.com>]
* Re: [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver [not found] ` <CAOcJUbygkw-UJ4=V3vsRT8VtdrjhNwng9KQr_FFe=CdsybUBXQ@mail.gmail.com> @ 2011-12-21 6:56 ` Antti Palosaari 0 siblings, 0 replies; 11+ messages in thread From: Antti Palosaari @ 2011-12-21 6:56 UTC (permalink / raw) To: Michael Krufky; +Cc: Mauro Carvalho Chehab, linux-media On 12/21/2011 12:35 AM, Michael Krufky wrote: > On Tue, Dec 20, 2011 at 10:26 AM, Mauro Carvalho Chehab > <mchehab@redhat.com> wrote: >> On 20-12-2011 12:52, Antti Palosaari wrote: >>>>> + /* reset demod */ >>>>> + /* it is recommended to HW reset chip using RST_N pin */ >>>>> + if (fe->callback) { >>>>> + ret = fe->callback(fe, 0, 0, 0); >>>> >>>> This looks weird on my eyes. The fe->callback is tuner-dependent. >>>> So, the command you should use there requires a test for the tuner >>>> type. >>>> >>>> In other words, if you're needing to use it, the code should be doing >>>> something similar to: >>>> >>>> if (fe->callback&& priv->tuner_type == TUNER_XC2028) >>>> ret = fe->callback(fe, 0, XC2028_TUNER_RESET, 0); >>>> >>>> (the actual coding will depend on how do you store the tuner type, and >>>> what are the commands for the tuner you're using) >>>> >>>> That's said, it probably makes sense to deprecate fe->callback in favor >>>> or a more generic set of callbacks, like fe->tuner_reset(). >>> >>> Yes it is wrong because there was no DEMOD defined. But, the callback >>> itself is correctly. IIRC there was only TUNER defined and no DEMOD. >>> Look callback definition from the API. It is very simply to fix. But at >>> the time left it like that, because I wanted to avoid touching one file >>> more. I will fix it properly later (2 line change). >>> >>> And it was not a bug, it was just my known decision. I just forget to comment it as FIXME or TODO. >> >> Feel free to touch on other files, provided that you fix that. There's >> no default behavior for fe->callback, as it were written in order to >> provide ways for the tuner to call the bridge driver for some device-specific >> reasons. So, the commands are defined with macros, and the callback code >> should be device-specific. > > This generic callback was written for the BRIDGE driver to be called > by any frontend COMPONENT, not specifically the tuner, perhaps a demod > or LNB, but at the time of writing, we only needed it from the tuner > so the DVB_FRONTEND_COMPONENT_TUNER(0) was the only #define created at > the time. This was written with forward-compatibility in mind, so > lets please not deprecate it unless we actually have to -- I see > additional uses for this coming in the future. > > In order to use fe callback properly, please add "#define > DVB_FRONTEND_COMPONENT_DEMOD 1" to dvb-core/dvb_frontend.h , and > simply call your callback as fe->callback(adap_state, > DVB_FRONTEND_COMPONENT_DEMOD, CMD, ARG) ... This way, the callback > knows that it is being called by the demod and not the tuner, it is > receiving command CMD with argument ARG. > > I can imagine a need one day to perhaps convert the "int arg" into a > "void* arg", but such a need doesn't exist today. I don't think it > gets any more generic than this. > > int (*callback)(void *adapter_priv, int component, int cmd, int arg); > > Cheers, > > Mike +1 for that. It was just what I also was thinking :) I will add that demod component define to the internal API and it is fixed properly. regards Antti -- http://palosaari.fi/ ^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2011-12-21 8:44 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-12-14 22:57 [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver Antti Palosaari
2011-12-20 13:39 ` Mauro Carvalho Chehab
2011-12-20 14:52 ` Antti Palosaari
2011-12-20 15:26 ` Mauro Carvalho Chehab
2011-12-20 15:42 ` Antti Palosaari
2011-12-20 16:25 ` Patrick Boettcher
2011-12-20 17:16 ` [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driv Antti Palosaari
2011-12-20 18:01 ` Antti Palosaari
2011-12-20 18:09 ` Mauro Carvalho Chehab
2011-12-21 8:44 ` Patrick Boettcher
[not found] ` <CAOcJUbygkw-UJ4=V3vsRT8VtdrjhNwng9KQr_FFe=CdsybUBXQ@mail.gmail.com>
2011-12-21 6:56 ` [GIT PULL FOR 3.3] HDIC HD29L2 DMB-TH demodulator driver Antti Palosaari
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.