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linux-pinenote/drivers/media/dvb-frontends/stv090x.c
Mauro Carvalho Chehab ffe300107d [media] stv090x: add an extra protetion against buffer overflow 
As pointed by smatch:
	drivers/media/dvb-frontends/stv090x.c:2787 stv090x_optimize_carloop() error: buffer overflow 'car_loop_apsk_low' 11 <= 13
	drivers/media/dvb-frontends/stv090x.c:2789 stv090x_optimize_carloop() error: buffer overflow 'car_loop_apsk_low' 11 <= 13
	drivers/media/dvb-frontends/stv090x.c:2791 stv090x_optimize_carloop() error: buffer overflow 'car_loop_apsk_low' 11 <= 13
	drivers/media/dvb-frontends/stv090x.c:2793 stv090x_optimize_carloop() error: buffer overflow 'car_loop_apsk_low' 11 <= 13
	drivers/media/dvb-frontends/stv090x.c:2795 stv090x_optimize_carloop() error: buffer overflow 'car_loop_apsk_low' 11 <= 13

The situation of a buffer overflow won't happen, in practice,
with the current values of car_loop table. Yet, the entire logic
that checks for those registration values is too complex. So,
better to add an explicit check, just in case someone changes
the car_loop tables causing a buffer overflow by mistake.

This also helps to remove several smatch warnings, with is good.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 15:28:46 -02:00

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/*
STV0900/0903 Multistandard Broadcast Frontend driver
Copyright (C) Manu Abraham <abraham.manu@gmail.com>
Copyright (C) ST Microelectronics
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 <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
#include "stv6110x.h" /* for demodulator internal modes */
#include "stv090x_reg.h"
#include "stv090x.h"
#include "stv090x_priv.h"
/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE 64
static unsigned int verbose;
module_param(verbose, int, 0644);
/* internal params node */
struct stv090x_dev {
/* pointer for internal params, one for each pair of demods */
struct stv090x_internal *internal;
struct stv090x_dev *next_dev;
};
/* first internal params */
static struct stv090x_dev *stv090x_first_dev;
/* find chip by i2c adapter and i2c address */
static struct stv090x_dev *find_dev(struct i2c_adapter *i2c_adap,
u8 i2c_addr)
{
struct stv090x_dev *temp_dev = stv090x_first_dev;
/*
Search of the last stv0900 chip or
find it by i2c adapter and i2c address */
while ((temp_dev != NULL) &&
((temp_dev->internal->i2c_adap != i2c_adap) ||
(temp_dev->internal->i2c_addr != i2c_addr))) {
temp_dev = temp_dev->next_dev;
}
return temp_dev;
}
/* deallocating chip */
static void remove_dev(struct stv090x_internal *internal)
{
struct stv090x_dev *prev_dev = stv090x_first_dev;
struct stv090x_dev *del_dev = find_dev(internal->i2c_adap,
internal->i2c_addr);
if (del_dev != NULL) {
if (del_dev == stv090x_first_dev) {
stv090x_first_dev = del_dev->next_dev;
} else {
while (prev_dev->next_dev != del_dev)
prev_dev = prev_dev->next_dev;
prev_dev->next_dev = del_dev->next_dev;
}
kfree(del_dev);
}
}
/* allocating new chip */
static struct stv090x_dev *append_internal(struct stv090x_internal *internal)
{
struct stv090x_dev *new_dev;
struct stv090x_dev *temp_dev;
new_dev = kmalloc(sizeof(struct stv090x_dev), GFP_KERNEL);
if (new_dev != NULL) {
new_dev->internal = internal;
new_dev->next_dev = NULL;
/* append to list */
if (stv090x_first_dev == NULL) {
stv090x_first_dev = new_dev;
} else {
temp_dev = stv090x_first_dev;
while (temp_dev->next_dev != NULL)
temp_dev = temp_dev->next_dev;
temp_dev->next_dev = new_dev;
}
}
return new_dev;
}
/* DVBS1 and DSS C/N Lookup table */
static const struct stv090x_tab stv090x_s1cn_tab[] = {
{ 0, 8917 }, /* 0.0dB */
{ 5, 8801 }, /* 0.5dB */
{ 10, 8667 }, /* 1.0dB */
{ 15, 8522 }, /* 1.5dB */
{ 20, 8355 }, /* 2.0dB */
{ 25, 8175 }, /* 2.5dB */
{ 30, 7979 }, /* 3.0dB */
{ 35, 7763 }, /* 3.5dB */
{ 40, 7530 }, /* 4.0dB */
{ 45, 7282 }, /* 4.5dB */
{ 50, 7026 }, /* 5.0dB */
{ 55, 6781 }, /* 5.5dB */
{ 60, 6514 }, /* 6.0dB */
{ 65, 6241 }, /* 6.5dB */
{ 70, 5965 }, /* 7.0dB */
{ 75, 5690 }, /* 7.5dB */
{ 80, 5424 }, /* 8.0dB */
{ 85, 5161 }, /* 8.5dB */
{ 90, 4902 }, /* 9.0dB */
{ 95, 4654 }, /* 9.5dB */
{ 100, 4417 }, /* 10.0dB */
{ 105, 4186 }, /* 10.5dB */
{ 110, 3968 }, /* 11.0dB */
{ 115, 3757 }, /* 11.5dB */
{ 120, 3558 }, /* 12.0dB */
{ 125, 3366 }, /* 12.5dB */
{ 130, 3185 }, /* 13.0dB */
{ 135, 3012 }, /* 13.5dB */
{ 140, 2850 }, /* 14.0dB */
{ 145, 2698 }, /* 14.5dB */
{ 150, 2550 }, /* 15.0dB */
{ 160, 2283 }, /* 16.0dB */
{ 170, 2042 }, /* 17.0dB */
{ 180, 1827 }, /* 18.0dB */
{ 190, 1636 }, /* 19.0dB */
{ 200, 1466 }, /* 20.0dB */
{ 210, 1315 }, /* 21.0dB */
{ 220, 1181 }, /* 22.0dB */
{ 230, 1064 }, /* 23.0dB */
{ 240, 960 }, /* 24.0dB */
{ 250, 869 }, /* 25.0dB */
{ 260, 792 }, /* 26.0dB */
{ 270, 724 }, /* 27.0dB */
{ 280, 665 }, /* 28.0dB */
{ 290, 616 }, /* 29.0dB */
{ 300, 573 }, /* 30.0dB */
{ 310, 537 }, /* 31.0dB */
{ 320, 507 }, /* 32.0dB */
{ 330, 483 }, /* 33.0dB */
{ 400, 398 }, /* 40.0dB */
{ 450, 381 }, /* 45.0dB */
{ 500, 377 } /* 50.0dB */
};
/* DVBS2 C/N Lookup table */
static const struct stv090x_tab stv090x_s2cn_tab[] = {
{ -30, 13348 }, /* -3.0dB */
{ -20, 12640 }, /* -2d.0B */
{ -10, 11883 }, /* -1.0dB */
{ 0, 11101 }, /* -0.0dB */
{ 5, 10718 }, /* 0.5dB */
{ 10, 10339 }, /* 1.0dB */
{ 15, 9947 }, /* 1.5dB */
{ 20, 9552 }, /* 2.0dB */
{ 25, 9183 }, /* 2.5dB */
{ 30, 8799 }, /* 3.0dB */
{ 35, 8422 }, /* 3.5dB */
{ 40, 8062 }, /* 4.0dB */
{ 45, 7707 }, /* 4.5dB */
{ 50, 7353 }, /* 5.0dB */
{ 55, 7025 }, /* 5.5dB */
{ 60, 6684 }, /* 6.0dB */
{ 65, 6331 }, /* 6.5dB */
{ 70, 6036 }, /* 7.0dB */
{ 75, 5727 }, /* 7.5dB */
{ 80, 5437 }, /* 8.0dB */
{ 85, 5164 }, /* 8.5dB */
{ 90, 4902 }, /* 9.0dB */
{ 95, 4653 }, /* 9.5dB */
{ 100, 4408 }, /* 10.0dB */
{ 105, 4187 }, /* 10.5dB */
{ 110, 3961 }, /* 11.0dB */
{ 115, 3751 }, /* 11.5dB */
{ 120, 3558 }, /* 12.0dB */
{ 125, 3368 }, /* 12.5dB */
{ 130, 3191 }, /* 13.0dB */
{ 135, 3017 }, /* 13.5dB */
{ 140, 2862 }, /* 14.0dB */
{ 145, 2710 }, /* 14.5dB */
{ 150, 2565 }, /* 15.0dB */
{ 160, 2300 }, /* 16.0dB */
{ 170, 2058 }, /* 17.0dB */
{ 180, 1849 }, /* 18.0dB */
{ 190, 1663 }, /* 19.0dB */
{ 200, 1495 }, /* 20.0dB */
{ 210, 1349 }, /* 21.0dB */
{ 220, 1222 }, /* 22.0dB */
{ 230, 1110 }, /* 23.0dB */
{ 240, 1011 }, /* 24.0dB */
{ 250, 925 }, /* 25.0dB */
{ 260, 853 }, /* 26.0dB */
{ 270, 789 }, /* 27.0dB */
{ 280, 734 }, /* 28.0dB */
{ 290, 690 }, /* 29.0dB */
{ 300, 650 }, /* 30.0dB */
{ 310, 619 }, /* 31.0dB */
{ 320, 593 }, /* 32.0dB */
{ 330, 571 }, /* 33.0dB */
{ 400, 498 }, /* 40.0dB */
{ 450, 484 }, /* 45.0dB */
{ 500, 481 } /* 50.0dB */
};
/* RF level C/N lookup table */
static const struct stv090x_tab stv090x_rf_tab[] = {
{ -5, 0xcaa1 }, /* -5dBm */
{ -10, 0xc229 }, /* -10dBm */
{ -15, 0xbb08 }, /* -15dBm */
{ -20, 0xb4bc }, /* -20dBm */
{ -25, 0xad5a }, /* -25dBm */
{ -30, 0xa298 }, /* -30dBm */
{ -35, 0x98a8 }, /* -35dBm */
{ -40, 0x8389 }, /* -40dBm */
{ -45, 0x59be }, /* -45dBm */
{ -50, 0x3a14 }, /* -50dBm */
{ -55, 0x2d11 }, /* -55dBm */
{ -60, 0x210d }, /* -60dBm */
{ -65, 0xa14f }, /* -65dBm */
{ -70, 0x07aa } /* -70dBm */
};
static struct stv090x_reg stv0900_initval[] = {
{ STV090x_OUTCFG, 0x00 },
{ STV090x_MODECFG, 0xff },
{ STV090x_AGCRF1CFG, 0x11 },
{ STV090x_AGCRF2CFG, 0x13 },
{ STV090x_TSGENERAL1X, 0x14 },
{ STV090x_TSTTNR2, 0x21 },
{ STV090x_TSTTNR4, 0x21 },
{ STV090x_P2_DISTXCTL, 0x22 },
{ STV090x_P2_F22TX, 0xc0 },
{ STV090x_P2_F22RX, 0xc0 },
{ STV090x_P2_DISRXCTL, 0x00 },
{ STV090x_P2_DMDCFGMD, 0xF9 },
{ STV090x_P2_DEMOD, 0x08 },
{ STV090x_P2_DMDCFG3, 0xc4 },
{ STV090x_P2_CARFREQ, 0xed },
{ STV090x_P2_LDT, 0xd0 },
{ STV090x_P2_LDT2, 0xb8 },
{ STV090x_P2_TMGCFG, 0xd2 },
{ STV090x_P2_TMGTHRISE, 0x20 },
{ STV090x_P1_TMGCFG, 0xd2 },
{ STV090x_P2_TMGTHFALL, 0x00 },
{ STV090x_P2_FECSPY, 0x88 },
{ STV090x_P2_FSPYDATA, 0x3a },
{ STV090x_P2_FBERCPT4, 0x00 },
{ STV090x_P2_FSPYBER, 0x10 },
{ STV090x_P2_ERRCTRL1, 0x35 },
{ STV090x_P2_ERRCTRL2, 0xc1 },
{ STV090x_P2_CFRICFG, 0xf8 },
{ STV090x_P2_NOSCFG, 0x1c },
{ STV090x_P2_DMDTOM, 0x20 },
{ STV090x_P2_CORRELMANT, 0x70 },
{ STV090x_P2_CORRELABS, 0x88 },
{ STV090x_P2_AGC2O, 0x5b },
{ STV090x_P2_AGC2REF, 0x38 },
{ STV090x_P2_CARCFG, 0xe4 },
{ STV090x_P2_ACLC, 0x1A },
{ STV090x_P2_BCLC, 0x09 },
{ STV090x_P2_CARHDR, 0x08 },
{ STV090x_P2_KREFTMG, 0xc1 },
{ STV090x_P2_SFRUPRATIO, 0xf0 },
{ STV090x_P2_SFRLOWRATIO, 0x70 },
{ STV090x_P2_SFRSTEP, 0x58 },
{ STV090x_P2_TMGCFG2, 0x01 },
{ STV090x_P2_CAR2CFG, 0x26 },
{ STV090x_P2_BCLC2S2Q, 0x86 },
{ STV090x_P2_BCLC2S28, 0x86 },
{ STV090x_P2_SMAPCOEF7, 0x77 },
{ STV090x_P2_SMAPCOEF6, 0x85 },
{ STV090x_P2_SMAPCOEF5, 0x77 },
{ STV090x_P2_TSCFGL, 0x20 },
{ STV090x_P2_DMDCFG2, 0x3b },
{ STV090x_P2_MODCODLST0, 0xff },
{ STV090x_P2_MODCODLST1, 0xff },
{ STV090x_P2_MODCODLST2, 0xff },
{ STV090x_P2_MODCODLST3, 0xff },
{ STV090x_P2_MODCODLST4, 0xff },
{ STV090x_P2_MODCODLST5, 0xff },
{ STV090x_P2_MODCODLST6, 0xff },
{ STV090x_P2_MODCODLST7, 0xcc },
{ STV090x_P2_MODCODLST8, 0xcc },
{ STV090x_P2_MODCODLST9, 0xcc },
{ STV090x_P2_MODCODLSTA, 0xcc },
{ STV090x_P2_MODCODLSTB, 0xcc },
{ STV090x_P2_MODCODLSTC, 0xcc },
{ STV090x_P2_MODCODLSTD, 0xcc },
{ STV090x_P2_MODCODLSTE, 0xcc },
{ STV090x_P2_MODCODLSTF, 0xcf },
{ STV090x_P1_DISTXCTL, 0x22 },
{ STV090x_P1_F22TX, 0xc0 },
{ STV090x_P1_F22RX, 0xc0 },
{ STV090x_P1_DISRXCTL, 0x00 },
{ STV090x_P1_DMDCFGMD, 0xf9 },
{ STV090x_P1_DEMOD, 0x08 },
{ STV090x_P1_DMDCFG3, 0xc4 },
{ STV090x_P1_DMDTOM, 0x20 },
{ STV090x_P1_CARFREQ, 0xed },
{ STV090x_P1_LDT, 0xd0 },
{ STV090x_P1_LDT2, 0xb8 },
{ STV090x_P1_TMGCFG, 0xd2 },
{ STV090x_P1_TMGTHRISE, 0x20 },
{ STV090x_P1_TMGTHFALL, 0x00 },
{ STV090x_P1_SFRUPRATIO, 0xf0 },
{ STV090x_P1_SFRLOWRATIO, 0x70 },
{ STV090x_P1_TSCFGL, 0x20 },
{ STV090x_P1_FECSPY, 0x88 },
{ STV090x_P1_FSPYDATA, 0x3a },
{ STV090x_P1_FBERCPT4, 0x00 },
{ STV090x_P1_FSPYBER, 0x10 },
{ STV090x_P1_ERRCTRL1, 0x35 },
{ STV090x_P1_ERRCTRL2, 0xc1 },
{ STV090x_P1_CFRICFG, 0xf8 },
{ STV090x_P1_NOSCFG, 0x1c },
{ STV090x_P1_CORRELMANT, 0x70 },
{ STV090x_P1_CORRELABS, 0x88 },
{ STV090x_P1_AGC2O, 0x5b },
{ STV090x_P1_AGC2REF, 0x38 },
{ STV090x_P1_CARCFG, 0xe4 },
{ STV090x_P1_ACLC, 0x1A },
{ STV090x_P1_BCLC, 0x09 },
{ STV090x_P1_CARHDR, 0x08 },
{ STV090x_P1_KREFTMG, 0xc1 },
{ STV090x_P1_SFRSTEP, 0x58 },
{ STV090x_P1_TMGCFG2, 0x01 },
{ STV090x_P1_CAR2CFG, 0x26 },
{ STV090x_P1_BCLC2S2Q, 0x86 },
{ STV090x_P1_BCLC2S28, 0x86 },
{ STV090x_P1_SMAPCOEF7, 0x77 },
{ STV090x_P1_SMAPCOEF6, 0x85 },
{ STV090x_P1_SMAPCOEF5, 0x77 },
{ STV090x_P1_DMDCFG2, 0x3b },
{ STV090x_P1_MODCODLST0, 0xff },
{ STV090x_P1_MODCODLST1, 0xff },
{ STV090x_P1_MODCODLST2, 0xff },
{ STV090x_P1_MODCODLST3, 0xff },
{ STV090x_P1_MODCODLST4, 0xff },
{ STV090x_P1_MODCODLST5, 0xff },
{ STV090x_P1_MODCODLST6, 0xff },
{ STV090x_P1_MODCODLST7, 0xcc },
{ STV090x_P1_MODCODLST8, 0xcc },
{ STV090x_P1_MODCODLST9, 0xcc },
{ STV090x_P1_MODCODLSTA, 0xcc },
{ STV090x_P1_MODCODLSTB, 0xcc },
{ STV090x_P1_MODCODLSTC, 0xcc },
{ STV090x_P1_MODCODLSTD, 0xcc },
{ STV090x_P1_MODCODLSTE, 0xcc },
{ STV090x_P1_MODCODLSTF, 0xcf },
{ STV090x_GENCFG, 0x1d },
{ STV090x_NBITER_NF4, 0x37 },
{ STV090x_NBITER_NF5, 0x29 },
{ STV090x_NBITER_NF6, 0x37 },
{ STV090x_NBITER_NF7, 0x33 },
{ STV090x_NBITER_NF8, 0x31 },
{ STV090x_NBITER_NF9, 0x2f },
{ STV090x_NBITER_NF10, 0x39 },
{ STV090x_NBITER_NF11, 0x3a },
{ STV090x_NBITER_NF12, 0x29 },
{ STV090x_NBITER_NF13, 0x37 },
{ STV090x_NBITER_NF14, 0x33 },
{ STV090x_NBITER_NF15, 0x2f },
{ STV090x_NBITER_NF16, 0x39 },
{ STV090x_NBITER_NF17, 0x3a },
{ STV090x_NBITERNOERR, 0x04 },
{ STV090x_GAINLLR_NF4, 0x0C },
{ STV090x_GAINLLR_NF5, 0x0F },
{ STV090x_GAINLLR_NF6, 0x11 },
{ STV090x_GAINLLR_NF7, 0x14 },
{ STV090x_GAINLLR_NF8, 0x17 },
{ STV090x_GAINLLR_NF9, 0x19 },
{ STV090x_GAINLLR_NF10, 0x20 },
{ STV090x_GAINLLR_NF11, 0x21 },
{ STV090x_GAINLLR_NF12, 0x0D },
{ STV090x_GAINLLR_NF13, 0x0F },
{ STV090x_GAINLLR_NF14, 0x13 },
{ STV090x_GAINLLR_NF15, 0x1A },
{ STV090x_GAINLLR_NF16, 0x1F },
{ STV090x_GAINLLR_NF17, 0x21 },
{ STV090x_RCCFGH, 0x20 },
{ STV090x_P1_FECM, 0x01 }, /* disable DSS modes */
{ STV090x_P2_FECM, 0x01 }, /* disable DSS modes */
{ STV090x_P1_PRVIT, 0x2F }, /* disable PR 6/7 */
{ STV090x_P2_PRVIT, 0x2F }, /* disable PR 6/7 */
};
static struct stv090x_reg stv0903_initval[] = {
{ STV090x_OUTCFG, 0x00 },
{ STV090x_AGCRF1CFG, 0x11 },
{ STV090x_STOPCLK1, 0x48 },
{ STV090x_STOPCLK2, 0x14 },
{ STV090x_TSTTNR1, 0x27 },
{ STV090x_TSTTNR2, 0x21 },
{ STV090x_P1_DISTXCTL, 0x22 },
{ STV090x_P1_F22TX, 0xc0 },
{ STV090x_P1_F22RX, 0xc0 },
{ STV090x_P1_DISRXCTL, 0x00 },
{ STV090x_P1_DMDCFGMD, 0xF9 },
{ STV090x_P1_DEMOD, 0x08 },
{ STV090x_P1_DMDCFG3, 0xc4 },
{ STV090x_P1_CARFREQ, 0xed },
{ STV090x_P1_TNRCFG2, 0x82 },
{ STV090x_P1_LDT, 0xd0 },
{ STV090x_P1_LDT2, 0xb8 },
{ STV090x_P1_TMGCFG, 0xd2 },
{ STV090x_P1_TMGTHRISE, 0x20 },
{ STV090x_P1_TMGTHFALL, 0x00 },
{ STV090x_P1_SFRUPRATIO, 0xf0 },
{ STV090x_P1_SFRLOWRATIO, 0x70 },
{ STV090x_P1_TSCFGL, 0x20 },
{ STV090x_P1_FECSPY, 0x88 },
{ STV090x_P1_FSPYDATA, 0x3a },
{ STV090x_P1_FBERCPT4, 0x00 },
{ STV090x_P1_FSPYBER, 0x10 },
{ STV090x_P1_ERRCTRL1, 0x35 },
{ STV090x_P1_ERRCTRL2, 0xc1 },
{ STV090x_P1_CFRICFG, 0xf8 },
{ STV090x_P1_NOSCFG, 0x1c },
{ STV090x_P1_DMDTOM, 0x20 },
{ STV090x_P1_CORRELMANT, 0x70 },
{ STV090x_P1_CORRELABS, 0x88 },
{ STV090x_P1_AGC2O, 0x5b },
{ STV090x_P1_AGC2REF, 0x38 },
{ STV090x_P1_CARCFG, 0xe4 },
{ STV090x_P1_ACLC, 0x1A },
{ STV090x_P1_BCLC, 0x09 },
{ STV090x_P1_CARHDR, 0x08 },
{ STV090x_P1_KREFTMG, 0xc1 },
{ STV090x_P1_SFRSTEP, 0x58 },
{ STV090x_P1_TMGCFG2, 0x01 },
{ STV090x_P1_CAR2CFG, 0x26 },
{ STV090x_P1_BCLC2S2Q, 0x86 },
{ STV090x_P1_BCLC2S28, 0x86 },
{ STV090x_P1_SMAPCOEF7, 0x77 },
{ STV090x_P1_SMAPCOEF6, 0x85 },
{ STV090x_P1_SMAPCOEF5, 0x77 },
{ STV090x_P1_DMDCFG2, 0x3b },
{ STV090x_P1_MODCODLST0, 0xff },
{ STV090x_P1_MODCODLST1, 0xff },
{ STV090x_P1_MODCODLST2, 0xff },
{ STV090x_P1_MODCODLST3, 0xff },
{ STV090x_P1_MODCODLST4, 0xff },
{ STV090x_P1_MODCODLST5, 0xff },
{ STV090x_P1_MODCODLST6, 0xff },
{ STV090x_P1_MODCODLST7, 0xcc },
{ STV090x_P1_MODCODLST8, 0xcc },
{ STV090x_P1_MODCODLST9, 0xcc },
{ STV090x_P1_MODCODLSTA, 0xcc },
{ STV090x_P1_MODCODLSTB, 0xcc },
{ STV090x_P1_MODCODLSTC, 0xcc },
{ STV090x_P1_MODCODLSTD, 0xcc },
{ STV090x_P1_MODCODLSTE, 0xcc },
{ STV090x_P1_MODCODLSTF, 0xcf },
{ STV090x_GENCFG, 0x1c },
{ STV090x_NBITER_NF4, 0x37 },
{ STV090x_NBITER_NF5, 0x29 },
{ STV090x_NBITER_NF6, 0x37 },
{ STV090x_NBITER_NF7, 0x33 },
{ STV090x_NBITER_NF8, 0x31 },
{ STV090x_NBITER_NF9, 0x2f },
{ STV090x_NBITER_NF10, 0x39 },
{ STV090x_NBITER_NF11, 0x3a },
{ STV090x_NBITER_NF12, 0x29 },
{ STV090x_NBITER_NF13, 0x37 },
{ STV090x_NBITER_NF14, 0x33 },
{ STV090x_NBITER_NF15, 0x2f },
{ STV090x_NBITER_NF16, 0x39 },
{ STV090x_NBITER_NF17, 0x3a },
{ STV090x_NBITERNOERR, 0x04 },
{ STV090x_GAINLLR_NF4, 0x0C },
{ STV090x_GAINLLR_NF5, 0x0F },
{ STV090x_GAINLLR_NF6, 0x11 },
{ STV090x_GAINLLR_NF7, 0x14 },
{ STV090x_GAINLLR_NF8, 0x17 },
{ STV090x_GAINLLR_NF9, 0x19 },
{ STV090x_GAINLLR_NF10, 0x20 },
{ STV090x_GAINLLR_NF11, 0x21 },
{ STV090x_GAINLLR_NF12, 0x0D },
{ STV090x_GAINLLR_NF13, 0x0F },
{ STV090x_GAINLLR_NF14, 0x13 },
{ STV090x_GAINLLR_NF15, 0x1A },
{ STV090x_GAINLLR_NF16, 0x1F },
{ STV090x_GAINLLR_NF17, 0x21 },
{ STV090x_RCCFGH, 0x20 },
{ STV090x_P1_FECM, 0x01 }, /*disable the DSS mode */
{ STV090x_P1_PRVIT, 0x2f } /*disable puncture rate 6/7*/
};
static struct stv090x_reg stv0900_cut20_val[] = {
{ STV090x_P2_DMDCFG3, 0xe8 },
{ STV090x_P2_DMDCFG4, 0x10 },
{ STV090x_P2_CARFREQ, 0x38 },
{ STV090x_P2_CARHDR, 0x20 },
{ STV090x_P2_KREFTMG, 0x5a },
{ STV090x_P2_SMAPCOEF7, 0x06 },
{ STV090x_P2_SMAPCOEF6, 0x00 },
{ STV090x_P2_SMAPCOEF5, 0x04 },
{ STV090x_P2_NOSCFG, 0x0c },
{ STV090x_P1_DMDCFG3, 0xe8 },
{ STV090x_P1_DMDCFG4, 0x10 },
{ STV090x_P1_CARFREQ, 0x38 },
{ STV090x_P1_CARHDR, 0x20 },
{ STV090x_P1_KREFTMG, 0x5a },
{ STV090x_P1_SMAPCOEF7, 0x06 },
{ STV090x_P1_SMAPCOEF6, 0x00 },
{ STV090x_P1_SMAPCOEF5, 0x04 },
{ STV090x_P1_NOSCFG, 0x0c },
{ STV090x_GAINLLR_NF4, 0x21 },
{ STV090x_GAINLLR_NF5, 0x21 },
{ STV090x_GAINLLR_NF6, 0x20 },
{ STV090x_GAINLLR_NF7, 0x1F },
{ STV090x_GAINLLR_NF8, 0x1E },
{ STV090x_GAINLLR_NF9, 0x1E },
{ STV090x_GAINLLR_NF10, 0x1D },
{ STV090x_GAINLLR_NF11, 0x1B },
{ STV090x_GAINLLR_NF12, 0x20 },
{ STV090x_GAINLLR_NF13, 0x20 },
{ STV090x_GAINLLR_NF14, 0x20 },
{ STV090x_GAINLLR_NF15, 0x20 },
{ STV090x_GAINLLR_NF16, 0x20 },
{ STV090x_GAINLLR_NF17, 0x21 },
};
static struct stv090x_reg stv0903_cut20_val[] = {
{ STV090x_P1_DMDCFG3, 0xe8 },
{ STV090x_P1_DMDCFG4, 0x10 },
{ STV090x_P1_CARFREQ, 0x38 },
{ STV090x_P1_CARHDR, 0x20 },
{ STV090x_P1_KREFTMG, 0x5a },
{ STV090x_P1_SMAPCOEF7, 0x06 },
{ STV090x_P1_SMAPCOEF6, 0x00 },
{ STV090x_P1_SMAPCOEF5, 0x04 },
{ STV090x_P1_NOSCFG, 0x0c },
{ STV090x_GAINLLR_NF4, 0x21 },
{ STV090x_GAINLLR_NF5, 0x21 },
{ STV090x_GAINLLR_NF6, 0x20 },
{ STV090x_GAINLLR_NF7, 0x1F },
{ STV090x_GAINLLR_NF8, 0x1E },
{ STV090x_GAINLLR_NF9, 0x1E },
{ STV090x_GAINLLR_NF10, 0x1D },
{ STV090x_GAINLLR_NF11, 0x1B },
{ STV090x_GAINLLR_NF12, 0x20 },
{ STV090x_GAINLLR_NF13, 0x20 },
{ STV090x_GAINLLR_NF14, 0x20 },
{ STV090x_GAINLLR_NF15, 0x20 },
{ STV090x_GAINLLR_NF16, 0x20 },
{ STV090x_GAINLLR_NF17, 0x21 }
};
/* Cut 2.0 Long Frame Tracking CR loop */
static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[] = {
/* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
{ STV090x_QPSK_12, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x1e },
{ STV090x_QPSK_35, 0x2f, 0x3f, 0x2e, 0x2f, 0x3d, 0x0f, 0x0e, 0x2e, 0x3d, 0x0e },
{ STV090x_QPSK_23, 0x2f, 0x3f, 0x2e, 0x2f, 0x0e, 0x0f, 0x0e, 0x1e, 0x3d, 0x3d },
{ STV090x_QPSK_34, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
{ STV090x_QPSK_45, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
{ STV090x_QPSK_56, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
{ STV090x_QPSK_89, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
{ STV090x_QPSK_910, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
{ STV090x_8PSK_35, 0x3c, 0x3e, 0x1c, 0x2e, 0x0c, 0x1e, 0x2b, 0x2d, 0x1b, 0x1d },
{ STV090x_8PSK_23, 0x1d, 0x3e, 0x3c, 0x2e, 0x2c, 0x1e, 0x0c, 0x2d, 0x2b, 0x1d },
{ STV090x_8PSK_34, 0x0e, 0x3e, 0x3d, 0x2e, 0x0d, 0x1e, 0x2c, 0x2d, 0x0c, 0x1d },
{ STV090x_8PSK_56, 0x2e, 0x3e, 0x1e, 0x2e, 0x2d, 0x1e, 0x3c, 0x2d, 0x2c, 0x1d },
{ STV090x_8PSK_89, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x0d, 0x2d, 0x3c, 0x1d },
{ STV090x_8PSK_910, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x1d, 0x2d, 0x0d, 0x1d }
};
/* Cut 3.0 Long Frame Tracking CR loop */
static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[] = {
/* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
{ STV090x_QPSK_12, 0x3c, 0x2c, 0x0c, 0x2c, 0x1b, 0x2c, 0x1b, 0x1c, 0x0b, 0x3b },
{ STV090x_QPSK_35, 0x0d, 0x0d, 0x0c, 0x0d, 0x1b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
{ STV090x_QPSK_23, 0x1d, 0x0d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
{ STV090x_QPSK_34, 0x1d, 0x1d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
{ STV090x_QPSK_45, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
{ STV090x_QPSK_56, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
{ STV090x_QPSK_89, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
{ STV090x_QPSK_910, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
{ STV090x_8PSK_35, 0x39, 0x29, 0x39, 0x19, 0x19, 0x19, 0x19, 0x19, 0x09, 0x19 },
{ STV090x_8PSK_23, 0x2a, 0x39, 0x1a, 0x0a, 0x39, 0x0a, 0x29, 0x39, 0x29, 0x0a },
{ STV090x_8PSK_34, 0x2b, 0x3a, 0x1b, 0x1b, 0x3a, 0x1b, 0x1a, 0x0b, 0x1a, 0x3a },
{ STV090x_8PSK_56, 0x0c, 0x1b, 0x3b, 0x3b, 0x1b, 0x3b, 0x3a, 0x3b, 0x3a, 0x1b },
{ STV090x_8PSK_89, 0x0d, 0x3c, 0x2c, 0x2c, 0x2b, 0x0c, 0x0b, 0x3b, 0x0b, 0x1b },
{ STV090x_8PSK_910, 0x0d, 0x0d, 0x2c, 0x3c, 0x3b, 0x1c, 0x0b, 0x3b, 0x0b, 0x1b }
};
/* Cut 2.0 Long Frame Tracking CR Loop */
static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[] = {
/* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
{ STV090x_16APSK_23, 0x0c, 0x0c, 0x0c, 0x0c, 0x1d, 0x0c, 0x3c, 0x0c, 0x2c, 0x0c },
{ STV090x_16APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0e, 0x0c, 0x2d, 0x0c, 0x1d, 0x0c },
{ STV090x_16APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
{ STV090x_16APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
{ STV090x_16APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
{ STV090x_16APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
{ STV090x_32APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
{ STV090x_32APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
{ STV090x_32APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
{ STV090x_32APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
{ STV090x_32APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c }
};
/* Cut 3.0 Long Frame Tracking CR Loop */
static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[] = {
/* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
{ STV090x_16APSK_23, 0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x0a, 0x3a, 0x0a, 0x2a, 0x0a },
{ STV090x_16APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0b, 0x0a, 0x3b, 0x0a, 0x1b, 0x0a },
{ STV090x_16APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
{ STV090x_16APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
{ STV090x_16APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
{ STV090x_16APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
{ STV090x_32APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
{ STV090x_32APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
{ STV090x_32APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
{ STV090x_32APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
{ STV090x_32APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a }
};
static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[] = {
/* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
{ STV090x_QPSK_14, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x2d, 0x1f, 0x3d, 0x3e },
{ STV090x_QPSK_13, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x3d, 0x0f, 0x3d, 0x2e },
{ STV090x_QPSK_25, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x2e }
};
static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[] = {
/* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
{ STV090x_QPSK_14, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x2a, 0x1c, 0x3a, 0x3b },
{ STV090x_QPSK_13, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x3a, 0x0c, 0x3a, 0x2b },
{ STV090x_QPSK_25, 0x1c, 0x3c, 0x1b, 0x3c, 0x3a, 0x1c, 0x3a, 0x3b, 0x3a, 0x2b }
};
/* Cut 2.0 Short Frame Tracking CR Loop */
static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[] = {
/* MODCOD 2M 5M 10M 20M 30M */
{ STV090x_QPSK, 0x2f, 0x2e, 0x0e, 0x0e, 0x3d },
{ STV090x_8PSK, 0x3e, 0x0e, 0x2d, 0x0d, 0x3c },
{ STV090x_16APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d },
{ STV090x_32APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d }
};
/* Cut 3.0 Short Frame Tracking CR Loop */
static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[] = {
/* MODCOD 2M 5M 10M 20M 30M */
{ STV090x_QPSK, 0x2C, 0x2B, 0x0B, 0x0B, 0x3A },
{ STV090x_8PSK, 0x3B, 0x0B, 0x2A, 0x0A, 0x39 },
{ STV090x_16APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A },
{ STV090x_32APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A }
};
static inline s32 comp2(s32 __x, s32 __width)
{
if (__width == 32)
return __x;
else
return (__x >= (1 << (__width - 1))) ? (__x - (1 << __width)) : __x;
}
static int stv090x_read_reg(struct stv090x_state *state, unsigned int reg)
{
const struct stv090x_config *config = state->config;
int ret;
u8 b0[] = { reg >> 8, reg & 0xff };
u8 buf;
struct i2c_msg msg[] = {
{ .addr = config->address, .flags = 0, .buf = b0, .len = 2 },
{ .addr = config->address, .flags = I2C_M_RD, .buf = &buf, .len = 1 }
};
ret = i2c_transfer(state->i2c, msg, 2);
if (ret != 2) {
if (ret != -ERESTARTSYS)
dprintk(FE_ERROR, 1,
"Read error, Reg=[0x%02x], Status=%d",
reg, ret);
return ret < 0 ? ret : -EREMOTEIO;
}
if (unlikely(*state->verbose >= FE_DEBUGREG))
dprintk(FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
reg, buf);
return (unsigned int) buf;
}
static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 *data, u32 count)
{
const struct stv090x_config *config = state->config;
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
if (2 + count > sizeof(buf)) {
printk(KERN_WARNING
"%s: i2c wr reg=%04x: len=%d is too big!\n",
KBUILD_MODNAME, reg, count);
return -EINVAL;
}
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
memcpy(&buf[2], data, count);
if (unlikely(*state->verbose >= FE_DEBUGREG)) {
int i;
printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
for (i = 0; i < count; i++)
printk(" %02x", data[i]);
printk("\n");
}
ret = i2c_transfer(state->i2c, &i2c_msg, 1);
if (ret != 1) {
if (ret != -ERESTARTSYS)
dprintk(FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
reg, data[0], count, ret);
return ret < 0 ? ret : -EREMOTEIO;
}
return 0;
}
static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data)
{
return stv090x_write_regs(state, reg, &data, 1);
}
static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable)
{
u32 reg;
/*
* NOTE! A lock is used as a FSM to control the state in which
* access is serialized between two tuners on the same demod.
* This has nothing to do with a lock to protect a critical section
* which may in some other cases be confused with protecting I/O
* access to the demodulator gate.
* In case of any error, the lock is unlocked and exit within the
* relevant operations themselves.
*/
if (enable) {
if (state->config->tuner_i2c_lock)
state->config->tuner_i2c_lock(&state->frontend, 1);
else
mutex_lock(&state->internal->tuner_lock);
}
reg = STV090x_READ_DEMOD(state, I2CRPT);
if (enable) {
dprintk(FE_DEBUG, 1, "Enable Gate");
STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
goto err;
} else {
dprintk(FE_DEBUG, 1, "Disable Gate");
STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
goto err;
}
if (!enable) {
if (state->config->tuner_i2c_lock)
state->config->tuner_i2c_lock(&state->frontend, 0);
else
mutex_unlock(&state->internal->tuner_lock);
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
if (state->config->tuner_i2c_lock)
state->config->tuner_i2c_lock(&state->frontend, 0);
else
mutex_unlock(&state->internal->tuner_lock);
return -1;
}
static void stv090x_get_lock_tmg(struct stv090x_state *state)
{
switch (state->algo) {
case STV090x_BLIND_SEARCH:
dprintk(FE_DEBUG, 1, "Blind Search");
if (state->srate <= 1500000) { /*10Msps< SR <=15Msps*/
state->DemodTimeout = 1500;
state->FecTimeout = 400;
} else if (state->srate <= 5000000) { /*10Msps< SR <=15Msps*/
state->DemodTimeout = 1000;
state->FecTimeout = 300;
} else { /*SR >20Msps*/
state->DemodTimeout = 700;
state->FecTimeout = 100;
}
break;
case STV090x_COLD_SEARCH:
case STV090x_WARM_SEARCH:
default:
dprintk(FE_DEBUG, 1, "Normal Search");
if (state->srate <= 1000000) { /*SR <=1Msps*/
state->DemodTimeout = 4500;
state->FecTimeout = 1700;
} else if (state->srate <= 2000000) { /*1Msps < SR <= 2Msps */
state->DemodTimeout = 2500;
state->FecTimeout = 1100;
} else if (state->srate <= 5000000) { /*2Msps < SR <= 5Msps */
state->DemodTimeout = 1000;
state->FecTimeout = 550;
} else if (state->srate <= 10000000) { /*5Msps < SR <= 10Msps */
state->DemodTimeout = 700;
state->FecTimeout = 250;
} else if (state->srate <= 20000000) { /*10Msps < SR <= 20Msps */
state->DemodTimeout = 400;
state->FecTimeout = 130;
} else { /*SR >20Msps*/
state->DemodTimeout = 300;
state->FecTimeout = 100;
}
break;
}
if (state->algo == STV090x_WARM_SEARCH)
state->DemodTimeout /= 2;
}
static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
{
u32 sym;
if (srate > 60000000) {
sym = (srate << 4); /* SR * 2^16 / master_clk */
sym /= (state->internal->mclk >> 12);
} else if (srate > 6000000) {
sym = (srate << 6);
sym /= (state->internal->mclk >> 10);
} else {
sym = (srate << 9);
sym /= (state->internal->mclk >> 7);
}
if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
goto err;
if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
{
u32 sym;
srate = 105 * (srate / 100);
if (srate > 60000000) {
sym = (srate << 4); /* SR * 2^16 / master_clk */
sym /= (state->internal->mclk >> 12);
} else if (srate > 6000000) {
sym = (srate << 6);
sym /= (state->internal->mclk >> 10);
} else {
sym = (srate << 9);
sym /= (state->internal->mclk >> 7);
}
if (sym < 0x7fff) {
if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0) /* MSB */
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0) /* LSB */
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x7f) < 0) /* MSB */
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xff) < 0) /* LSB */
goto err;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
{
u32 sym;
srate = 95 * (srate / 100);
if (srate > 60000000) {
sym = (srate << 4); /* SR * 2^16 / master_clk */
sym /= (state->internal->mclk >> 12);
} else if (srate > 6000000) {
sym = (srate << 6);
sym /= (state->internal->mclk >> 10);
} else {
sym = (srate << 9);
sym /= (state->internal->mclk >> 7);
}
if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0x7f)) < 0) /* MSB */
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
{
u32 ro;
switch (rolloff) {
case STV090x_RO_20:
ro = 20;
break;
case STV090x_RO_25:
ro = 25;
break;
case STV090x_RO_35:
default:
ro = 35;
break;
}
return srate + (srate * ro) / 100;
}
static int stv090x_set_vit_thacq(struct stv090x_state *state)
{
if (STV090x_WRITE_DEMOD(state, VTH12, 0x96) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH23, 0x64) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH34, 0x36) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH56, 0x23) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH67, 0x1e) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH78, 0x19) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_set_vit_thtracq(struct stv090x_state *state)
{
if (STV090x_WRITE_DEMOD(state, VTH12, 0xd0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH23, 0x7d) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH34, 0x53) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH56, 0x2f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH67, 0x24) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VTH78, 0x1f) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_set_viterbi(struct stv090x_state *state)
{
switch (state->search_mode) {
case STV090x_SEARCH_AUTO:
if (STV090x_WRITE_DEMOD(state, FECM, 0x10) < 0) /* DVB-S and DVB-S2 */
goto err;
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x3f) < 0) /* all puncture rate */
goto err;
break;
case STV090x_SEARCH_DVBS1:
if (STV090x_WRITE_DEMOD(state, FECM, 0x00) < 0) /* disable DSS */
goto err;
switch (state->fec) {
case STV090x_PR12:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
goto err;
break;
case STV090x_PR23:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
goto err;
break;
case STV090x_PR34:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x04) < 0)
goto err;
break;
case STV090x_PR56:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x08) < 0)
goto err;
break;
case STV090x_PR78:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x20) < 0)
goto err;
break;
default:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x2f) < 0) /* all */
goto err;
break;
}
break;
case STV090x_SEARCH_DSS:
if (STV090x_WRITE_DEMOD(state, FECM, 0x80) < 0)
goto err;
switch (state->fec) {
case STV090x_PR12:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
goto err;
break;
case STV090x_PR23:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
goto err;
break;
case STV090x_PR67:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x10) < 0)
goto err;
break;
default:
if (STV090x_WRITE_DEMOD(state, PRVIT, 0x13) < 0) /* 1/2, 2/3, 6/7 */
goto err;
break;
}
break;
default:
break;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_stop_modcod(struct stv090x_state *state)
{
if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xff) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_activate_modcod(struct stv090x_state *state)
{
if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xfc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_activate_modcod_single(struct stv090x_state *state)
{
if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xf0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0x0f) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_vitclk_ctl(struct stv090x_state *state, int enable)
{
u32 reg;
switch (state->demod) {
case STV090x_DEMODULATOR_0:
mutex_lock(&state->internal->demod_lock);
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, enable);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
goto err;
mutex_unlock(&state->internal->demod_lock);
break;
case STV090x_DEMODULATOR_1:
mutex_lock(&state->internal->demod_lock);
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, enable);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
goto err;
mutex_unlock(&state->internal->demod_lock);
break;
default:
dprintk(FE_ERROR, 1, "Wrong demodulator!");
break;
}
return 0;
err:
mutex_unlock(&state->internal->demod_lock);
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_dvbs_track_crl(struct stv090x_state *state)
{
if (state->internal->dev_ver >= 0x30) {
/* Set ACLC BCLC optimised value vs SR */
if (state->srate >= 15000000) {
if (STV090x_WRITE_DEMOD(state, ACLC, 0x2b) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0x1a) < 0)
goto err;
} else if ((state->srate >= 7000000) && (15000000 > state->srate)) {
if (STV090x_WRITE_DEMOD(state, ACLC, 0x0c) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0x1b) < 0)
goto err;
} else if (state->srate < 7000000) {
if (STV090x_WRITE_DEMOD(state, ACLC, 0x2c) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0x1c) < 0)
goto err;
}
} else {
/* Cut 2.0 */
if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
goto err;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_delivery_search(struct stv090x_state *state)
{
u32 reg;
switch (state->search_mode) {
case STV090x_SEARCH_DVBS1:
case STV090x_SEARCH_DSS:
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
/* Activate Viterbi decoder in legacy search,
* do not use FRESVIT1, might impact VITERBI2
*/
if (stv090x_vitclk_ctl(state, 0) < 0)
goto err;
if (stv090x_dvbs_track_crl(state) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
goto err;
if (stv090x_set_vit_thacq(state) < 0)
goto err;
if (stv090x_set_viterbi(state) < 0)
goto err;
break;
case STV090x_SEARCH_DVBS2:
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (stv090x_vitclk_ctl(state, 1) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0) /* stop DVB-S CR loop */
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
goto err;
if (state->internal->dev_ver <= 0x20) {
/* enable S2 carrier loop */
if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
goto err;
} else {
/* > Cut 3: Stop carrier 3 */
if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
goto err;
}
if (state->demod_mode != STV090x_SINGLE) {
/* Cut 2: enable link during search */
if (stv090x_activate_modcod(state) < 0)
goto err;
} else {
/* Single demodulator
* Authorize SHORT and LONG frames,
* QPSK, 8PSK, 16APSK and 32APSK
*/
if (stv090x_activate_modcod_single(state) < 0)
goto err;
}
if (stv090x_set_vit_thtracq(state) < 0)
goto err;
break;
case STV090x_SEARCH_AUTO:
default:
/* enable DVB-S2 and DVB-S2 in Auto MODE */
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (stv090x_vitclk_ctl(state, 0) < 0)
goto err;
if (stv090x_dvbs_track_crl(state) < 0)
goto err;
if (state->internal->dev_ver <= 0x20) {
/* enable S2 carrier loop */
if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
goto err;
} else {
/* > Cut 3: Stop carrier 3 */
if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
goto err;
}
if (state->demod_mode != STV090x_SINGLE) {
/* Cut 2: enable link during search */
if (stv090x_activate_modcod(state) < 0)
goto err;
} else {
/* Single demodulator
* Authorize SHORT and LONG frames,
* QPSK, 8PSK, 16APSK and 32APSK
*/
if (stv090x_activate_modcod_single(state) < 0)
goto err;
}
if (stv090x_set_vit_thacq(state) < 0)
goto err;
if (stv090x_set_viterbi(state) < 0)
goto err;
break;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_start_search(struct stv090x_state *state)
{
u32 reg, freq_abs;
s16 freq;
/* Reset demodulator */
reg = STV090x_READ_DEMOD(state, DMDISTATE);
STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f);
if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
goto err;
if (state->internal->dev_ver <= 0x20) {
if (state->srate <= 5000000) {
if (STV090x_WRITE_DEMOD(state, CARCFG, 0x44) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRUP1, 0x0f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRUP0, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRLOW1, 0xf0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRLOW0, 0x00) < 0)
goto err;
/*enlarge the timing bandwidth for Low SR*/
if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0)
goto err;
} else {
/* If the symbol rate is >5 Msps
Set The carrier search up and low to auto mode */
if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
goto err;
/*reduce the timing bandwidth for high SR*/
if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
goto err;
}
} else {
/* >= Cut 3 */
if (state->srate <= 5000000) {
/* enlarge the timing bandwidth for Low SR */
STV090x_WRITE_DEMOD(state, RTCS2, 0x68);
} else {
/* reduce timing bandwidth for high SR */
STV090x_WRITE_DEMOD(state, RTCS2, 0x44);
}
/* Set CFR min and max to manual mode */
STV090x_WRITE_DEMOD(state, CARCFG, 0x46);
if (state->algo == STV090x_WARM_SEARCH) {
/* WARM Start
* CFR min = -1MHz,
* CFR max = +1MHz
*/
freq_abs = 1000 << 16;
freq_abs /= (state->internal->mclk / 1000);
freq = (s16) freq_abs;
} else {
/* COLD Start
* CFR min =- (SearchRange / 2 + 600KHz)
* CFR max = +(SearchRange / 2 + 600KHz)
* (600KHz for the tuner step size)
*/
freq_abs = (state->search_range / 2000) + 600;
freq_abs = freq_abs << 16;
freq_abs /= (state->internal->mclk / 1000);
freq = (s16) freq_abs;
}
if (STV090x_WRITE_DEMOD(state, CFRUP1, MSB(freq)) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRUP0, LSB(freq)) < 0)
goto err;
freq *= -1;
if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0) < 0)
goto err;
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
goto err;
if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
(state->search_mode == STV090x_SEARCH_DSS) ||
(state->search_mode == STV090x_SEARCH_AUTO)) {
if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0)
goto err;
}
}
if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xe0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xc0) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDCFG2);
STV090x_SETFIELD_Px(reg, S1S2_SEQUENTIAL_FIELD, 0x0);
if (STV090x_WRITE_DEMOD(state, DMDCFG2, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0)
goto err;
if (state->internal->dev_ver >= 0x20) {
/*Frequency offset detector setting*/
if (state->srate < 2000000) {
if (state->internal->dev_ver <= 0x20) {
/* Cut 2 */
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x39) < 0)
goto err;
} else {
/* Cut 3 */
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x89) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, CARHDR, 0x40) < 0)
goto err;
} else if (state->srate < 10000000) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4c) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4b) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
goto err;
}
} else {
if (state->srate < 10000000) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xef) < 0)
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xed) < 0)
goto err;
}
}
switch (state->algo) {
case STV090x_WARM_SEARCH:
/* The symbol rate and the exact
* carrier Frequency are known
*/
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
goto err;
break;
case STV090x_COLD_SEARCH:
/* The symbol rate is known */
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
goto err;
break;
default:
break;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_get_agc2_min_level(struct stv090x_state *state)
{
u32 agc2_min = 0xffff, agc2 = 0, freq_init, freq_step, reg;
s32 i, j, steps, dir;
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0) /* SR = 65 Msps Max */
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0) /* SR= 400 ksps Min */
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0) /* stop acq @ coarse carrier state */
goto err;
if (stv090x_set_srate(state, 1000000) < 0)
goto err;
steps = state->search_range / 1000000;
if (steps <= 0)
steps = 1;
dir = 1;
freq_step = (1000000 * 256) / (state->internal->mclk / 256);
freq_init = 0;
for (i = 0; i < steps; i++) {
if (dir > 0)
freq_init = freq_init + (freq_step * i);
else
freq_init = freq_init - (freq_step * i);
dir *= -1;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod RESET */
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_init >> 8) & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_init & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x58) < 0) /* Demod RESET */
goto err;
msleep(10);
agc2 = 0;
for (j = 0; j < 10; j++) {
agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
STV090x_READ_DEMOD(state, AGC2I0);
}
agc2 /= 10;
if (agc2 < agc2_min)
agc2_min = agc2;
}
return agc2_min;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
{
u8 r3, r2, r1, r0;
s32 srate, int_1, int_2, tmp_1, tmp_2;
r3 = STV090x_READ_DEMOD(state, SFR3);
r2 = STV090x_READ_DEMOD(state, SFR2);
r1 = STV090x_READ_DEMOD(state, SFR1);
r0 = STV090x_READ_DEMOD(state, SFR0);
srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
int_1 = clk >> 16;
int_2 = srate >> 16;
tmp_1 = clk % 0x10000;
tmp_2 = srate % 0x10000;
srate = (int_1 * int_2) +
((int_1 * tmp_2) >> 16) +
((int_2 * tmp_1) >> 16);
return srate;
}
static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
{
struct dvb_frontend *fe = &state->frontend;
int tmg_lock = 0, i;
s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
u32 agc2th;
if (state->internal->dev_ver >= 0x30)
agc2th = 0x2e00;
else
agc2th = 0x1f00;
reg = STV090x_READ_DEMOD(state, DMDISTATE);
STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x50) < 0)
goto err;
if (state->internal->dev_ver >= 0x30) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x98) < 0)
goto err;
} else if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
goto err;
}
if (state->srate <= 2000000)
car_step = 1000;
else if (state->srate <= 5000000)
car_step = 2000;
else if (state->srate <= 12000000)
car_step = 3000;
else
car_step = 5000;
steps = -1 + ((state->search_range / 1000) / car_step);
steps /= 2;
steps = (2 * steps) + 1;
if (steps < 0)
steps = 1;
else if (steps > 10) {
steps = 11;
car_step = (state->search_range / 1000) / 10;
}
cur_step = 0;
dir = 1;
freq = state->frequency;
while ((!tmg_lock) && (cur_step < steps)) {
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRINIT1, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRINIT0, 0x00) < 0)
goto err;
/* trigger acquisition */
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x40) < 0)
goto err;
msleep(50);
for (i = 0; i < 10; i++) {
reg = STV090x_READ_DEMOD(state, DSTATUS);
if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
tmg_cpt++;
agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
STV090x_READ_DEMOD(state, AGC2I0);
}
agc2 /= 10;
srate_coarse = stv090x_get_srate(state, state->internal->mclk);
cur_step++;
dir *= -1;
if ((tmg_cpt >= 5) && (agc2 < agc2th) &&
(srate_coarse < 50000000) && (srate_coarse > 850000))
tmg_lock = 1;
else if (cur_step < steps) {
if (dir > 0)
freq += cur_step * car_step;
else
freq -= cur_step * car_step;
/* Setup tuner */
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_set_frequency) {
if (state->config->tuner_set_frequency(fe, freq) < 0)
goto err_gateoff;
}
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
msleep(50);
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_get_status) {
if (state->config->tuner_get_status(fe, &reg) < 0)
goto err_gateoff;
}
if (reg)
dprintk(FE_DEBUG, 1, "Tuner phase locked");
else
dprintk(FE_DEBUG, 1, "Tuner unlocked");
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
}
}
if (!tmg_lock)
srate_coarse = 0;
else
srate_coarse = stv090x_get_srate(state, state->internal->mclk);
return srate_coarse;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static u32 stv090x_srate_srch_fine(struct stv090x_state *state)
{
u32 srate_coarse, freq_coarse, sym, reg;
srate_coarse = stv090x_get_srate(state, state->internal->mclk);
freq_coarse = STV090x_READ_DEMOD(state, CFR2) << 8;
freq_coarse |= STV090x_READ_DEMOD(state, CFR1);
sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
if (sym < state->srate)
srate_coarse = 0;
else {
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) /* Demod RESET */
goto err;
if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
goto err;
if (state->internal->dev_ver >= 0x30) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x79) < 0)
goto err;
} else if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
goto err;
}
if (srate_coarse > 3000000) {
sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
sym = (sym / 1000) * 65536;
sym /= (state->internal->mclk / 1000);
if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
goto err;
sym = 10 * (srate_coarse / 13); /* SFRLOW = SFR - 30% */
sym = (sym / 1000) * 65536;
sym /= (state->internal->mclk / 1000);
if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
goto err;
sym = (srate_coarse / 1000) * 65536;
sym /= (state->internal->mclk / 1000);
if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
goto err;
} else {
sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
sym = (sym / 100) * 65536;
sym /= (state->internal->mclk / 100);
if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
goto err;
sym = 10 * (srate_coarse / 14); /* SFRLOW = SFR - 30% */
sym = (sym / 100) * 65536;
sym /= (state->internal->mclk / 100);
if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
goto err;
sym = (srate_coarse / 100) * 65536;
sym /= (state->internal->mclk / 100);
if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_coarse >> 8) & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_coarse & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) /* trigger acquisition */
goto err;
}
return srate_coarse;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_get_dmdlock(struct stv090x_state *state, s32 timeout)
{
s32 timer = 0, lock = 0;
u32 reg;
u8 stat;
while ((timer < timeout) && (!lock)) {
reg = STV090x_READ_DEMOD(state, DMDSTATE);
stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
switch (stat) {
case 0: /* searching */
case 1: /* first PLH detected */
default:
dprintk(FE_DEBUG, 1, "Demodulator searching ..");
lock = 0;
break;
case 2: /* DVB-S2 mode */
case 3: /* DVB-S1/legacy mode */
reg = STV090x_READ_DEMOD(state, DSTATUS);
lock = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
break;
}
if (!lock)
msleep(10);
else
dprintk(FE_DEBUG, 1, "Demodulator acquired LOCK");
timer += 10;
}
return lock;
}
static int stv090x_blind_search(struct stv090x_state *state)
{
u32 agc2, reg, srate_coarse;
s32 cpt_fail, agc2_ovflw, i;
u8 k_ref, k_max, k_min;
int coarse_fail = 0;
int lock;
k_max = 110;
k_min = 10;
agc2 = stv090x_get_agc2_min_level(state);
if (agc2 > STV090x_SEARCH_AGC2_TH(state->internal->dev_ver)) {
lock = 0;
} else {
if (state->internal->dev_ver <= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
goto err;
} else {
/* > Cut 3 */
if (STV090x_WRITE_DEMOD(state, CARCFG, 0x06) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
goto err;
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0) /* set viterbi hysteresis */
goto err;
}
k_ref = k_max;
do {
if (STV090x_WRITE_DEMOD(state, KREFTMG, k_ref) < 0)
goto err;
if (stv090x_srate_srch_coarse(state) != 0) {
srate_coarse = stv090x_srate_srch_fine(state);
if (srate_coarse != 0) {
stv090x_get_lock_tmg(state);
lock = stv090x_get_dmdlock(state,
state->DemodTimeout);
} else {
lock = 0;
}
} else {
cpt_fail = 0;
agc2_ovflw = 0;
for (i = 0; i < 10; i++) {
agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
STV090x_READ_DEMOD(state, AGC2I0);
if (agc2 >= 0xff00)
agc2_ovflw++;
reg = STV090x_READ_DEMOD(state, DSTATUS2);
if ((STV090x_GETFIELD_Px(reg, CFR_OVERFLOW_FIELD) == 0x01) &&
(STV090x_GETFIELD_Px(reg, DEMOD_DELOCK_FIELD) == 0x01))
cpt_fail++;
}
if ((cpt_fail > 7) || (agc2_ovflw > 7))
coarse_fail = 1;
lock = 0;
}
k_ref -= 20;
} while ((k_ref >= k_min) && (!lock) && (!coarse_fail));
}
return lock;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_chk_tmg(struct stv090x_state *state)
{
u32 reg;
s32 tmg_cpt = 0, i;
u8 freq, tmg_thh, tmg_thl;
int tmg_lock = 0;
freq = STV090x_READ_DEMOD(state, CARFREQ);
tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);
tmg_thl = STV090x_READ_DEMOD(state, TMGTHFALL);
if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00); /* stop carrier offset search */
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, RTC, 0x80) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, RTCS2, 0x40) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) /* set car ofset to 0 */
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x65) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0) /* trigger acquisition */
goto err;
msleep(10);
for (i = 0; i < 10; i++) {
reg = STV090x_READ_DEMOD(state, DSTATUS);
if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
tmg_cpt++;
msleep(1);
}
if (tmg_cpt >= 3)
tmg_lock = 1;
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0) /* DVB-S1 timing */
goto err;
if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0) /* DVB-S2 timing */
goto err;
if (STV090x_WRITE_DEMOD(state, CARFREQ, freq) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHRISE, tmg_thh) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGTHFALL, tmg_thl) < 0)
goto err;
return tmg_lock;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
{
struct dvb_frontend *fe = &state->frontend;
u32 reg;
s32 car_step, steps, cur_step, dir, freq, timeout_lock;
int lock;
if (state->srate >= 10000000)
timeout_lock = timeout_dmd / 3;
else
timeout_lock = timeout_dmd / 2;
lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
if (lock)
return lock;
if (state->srate >= 10000000) {
if (stv090x_chk_tmg(state)) {
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
goto err;
return stv090x_get_dmdlock(state, timeout_dmd);
}
return 0;
}
if (state->srate <= 4000000)
car_step = 1000;
else if (state->srate <= 7000000)
car_step = 2000;
else if (state->srate <= 10000000)
car_step = 3000;
else
car_step = 5000;
steps = (state->search_range / 1000) / car_step;
steps /= 2;
steps = 2 * (steps + 1);
if (steps < 0)
steps = 2;
else if (steps > 12)
steps = 12;
cur_step = 1;
dir = 1;
freq = state->frequency;
state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
while ((cur_step <= steps) && (!lock)) {
if (dir > 0)
freq += cur_step * car_step;
else
freq -= cur_step * car_step;
/* Setup tuner */
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_set_frequency) {
if (state->config->tuner_set_frequency(fe, freq) < 0)
goto err_gateoff;
}
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
msleep(50);
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_get_status) {
if (state->config->tuner_get_status(fe, &reg) < 0)
goto err_gateoff;
}
if (reg)
dprintk(FE_DEBUG, 1, "Tuner phase locked");
else
dprintk(FE_DEBUG, 1, "Tuner unlocked");
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
goto err;
lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
dir *= -1;
cur_step++;
}
return lock;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_get_loop_params(struct stv090x_state *state, s32 *freq_inc, s32 *timeout_sw, s32 *steps)
{
s32 timeout, inc, steps_max, srate, car_max;
srate = state->srate;
car_max = state->search_range / 1000;
car_max += car_max / 10;
car_max = 65536 * (car_max / 2);
car_max /= (state->internal->mclk / 1000);
if (car_max > 0x4000)
car_max = 0x4000 ; /* maxcarrier should be<= +-1/4 Mclk */
inc = srate;
inc /= state->internal->mclk / 1000;
inc *= 256;
inc *= 256;
inc /= 1000;
switch (state->search_mode) {
case STV090x_SEARCH_DVBS1:
case STV090x_SEARCH_DSS:
inc *= 3; /* freq step = 3% of srate */
timeout = 20;
break;
case STV090x_SEARCH_DVBS2:
inc *= 4;
timeout = 25;
break;
case STV090x_SEARCH_AUTO:
default:
inc *= 3;
timeout = 25;
break;
}
inc /= 100;
if ((inc > car_max) || (inc < 0))
inc = car_max / 2; /* increment <= 1/8 Mclk */
timeout *= 27500; /* 27.5 Msps reference */
if (srate > 0)
timeout /= (srate / 1000);
if ((timeout > 100) || (timeout < 0))
timeout = 100;
steps_max = (car_max / inc) + 1; /* min steps = 3 */
if ((steps_max > 100) || (steps_max < 0)) {
steps_max = 100; /* max steps <= 100 */
inc = car_max / steps_max;
}
*freq_inc = inc;
*timeout_sw = timeout;
*steps = steps_max;
return 0;
}
static int stv090x_chk_signal(struct stv090x_state *state)
{
s32 offst_car, agc2, car_max;
int no_signal;
offst_car = STV090x_READ_DEMOD(state, CFR2) << 8;
offst_car |= STV090x_READ_DEMOD(state, CFR1);
offst_car = comp2(offst_car, 16);
agc2 = STV090x_READ_DEMOD(state, AGC2I1) << 8;
agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
car_max = state->search_range / 1000;
car_max += (car_max / 10); /* 10% margin */
car_max = (65536 * car_max / 2);
car_max /= state->internal->mclk / 1000;
if (car_max > 0x4000)
car_max = 0x4000;
if ((agc2 > 0x2000) || (offst_car > 2 * car_max) || (offst_car < -2 * car_max)) {
no_signal = 1;
dprintk(FE_DEBUG, 1, "No Signal");
} else {
no_signal = 0;
dprintk(FE_DEBUG, 1, "Found Signal");
}
return no_signal;
}
static int stv090x_search_car_loop(struct stv090x_state *state, s32 inc, s32 timeout, int zigzag, s32 steps_max)
{
int no_signal, lock = 0;
s32 cpt_step = 0, offst_freq, car_max;
u32 reg;
car_max = state->search_range / 1000;
car_max += (car_max / 10);
car_max = (65536 * car_max / 2);
car_max /= (state->internal->mclk / 1000);
if (car_max > 0x4000)
car_max = 0x4000;
if (zigzag)
offst_freq = 0;
else
offst_freq = -car_max + inc;
do {
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, ((offst_freq / 256) & 0xff)) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, offst_freq & 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x1); /* stop DVB-S2 packet delin */
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
if (zigzag) {
if (offst_freq >= 0)
offst_freq = -offst_freq - 2 * inc;
else
offst_freq = -offst_freq;
} else {
offst_freq += 2 * inc;
}
cpt_step++;
lock = stv090x_get_dmdlock(state, timeout);
no_signal = stv090x_chk_signal(state);
} while ((!lock) &&
(!no_signal) &&
((offst_freq - inc) < car_max) &&
((offst_freq + inc) > -car_max) &&
(cpt_step < steps_max));
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
return lock;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_sw_algo(struct stv090x_state *state)
{
int no_signal, zigzag, lock = 0;
u32 reg;
s32 dvbs2_fly_wheel;
s32 inc, timeout_step, trials, steps_max;
/* get params */
stv090x_get_loop_params(state, &inc, &timeout_step, &steps_max);
switch (state->search_mode) {
case STV090x_SEARCH_DVBS1:
case STV090x_SEARCH_DSS:
/* accelerate the frequency detector */
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3B) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x49) < 0)
goto err;
zigzag = 0;
break;
case STV090x_SEARCH_DVBS2:
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
goto err;
zigzag = 1;
break;
case STV090x_SEARCH_AUTO:
default:
/* accelerate the frequency detector */
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3b) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0xc9) < 0)
goto err;
zigzag = 0;
break;
}
trials = 0;
do {
lock = stv090x_search_car_loop(state, inc, timeout_step, zigzag, steps_max);
no_signal = stv090x_chk_signal(state);
trials++;
/*run the SW search 2 times maximum*/
if (lock || no_signal || (trials == 2)) {
/*Check if the demod is not losing lock in DVBS2*/
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
goto err;
}
reg = STV090x_READ_DEMOD(state, DMDSTATE);
if ((lock) && (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == STV090x_DVBS2)) {
/*Check if the demod is not losing lock in DVBS2*/
msleep(timeout_step);
reg = STV090x_READ_DEMOD(state, DMDFLYW);
dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
if (dvbs2_fly_wheel < 0xd) { /*if correct frames is decrementing */
msleep(timeout_step);
reg = STV090x_READ_DEMOD(state, DMDFLYW);
dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
}
if (dvbs2_fly_wheel < 0xd) {
/*FALSE lock, The demod is losing lock */
lock = 0;
if (trials < 2) {
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
goto err;
}
}
}
}
} while ((!lock) && (trials < 2) && (!no_signal));
return lock;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static enum stv090x_delsys stv090x_get_std(struct stv090x_state *state)
{
u32 reg;
enum stv090x_delsys delsys;
reg = STV090x_READ_DEMOD(state, DMDSTATE);
if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 2)
delsys = STV090x_DVBS2;
else if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 3) {
reg = STV090x_READ_DEMOD(state, FECM);
if (STV090x_GETFIELD_Px(reg, DSS_DVB_FIELD) == 1)
delsys = STV090x_DSS;
else
delsys = STV090x_DVBS1;
} else {
delsys = STV090x_ERROR;
}
return delsys;
}
/* in Hz */
static s32 stv090x_get_car_freq(struct stv090x_state *state, u32 mclk)
{
s32 derot, int_1, int_2, tmp_1, tmp_2;
derot = STV090x_READ_DEMOD(state, CFR2) << 16;
derot |= STV090x_READ_DEMOD(state, CFR1) << 8;
derot |= STV090x_READ_DEMOD(state, CFR0);
derot = comp2(derot, 24);
int_1 = mclk >> 12;
int_2 = derot >> 12;
/* carrier_frequency = MasterClock * Reg / 2^24 */
tmp_1 = mclk % 0x1000;
tmp_2 = derot % 0x1000;
derot = (int_1 * int_2) +
((int_1 * tmp_2) >> 12) +
((int_2 * tmp_1) >> 12);
return derot;
}
static int stv090x_get_viterbi(struct stv090x_state *state)
{
u32 reg, rate;
reg = STV090x_READ_DEMOD(state, VITCURPUN);
rate = STV090x_GETFIELD_Px(reg, VIT_CURPUN_FIELD);
switch (rate) {
case 13:
state->fec = STV090x_PR12;
break;
case 18:
state->fec = STV090x_PR23;
break;
case 21:
state->fec = STV090x_PR34;
break;
case 24:
state->fec = STV090x_PR56;
break;
case 25:
state->fec = STV090x_PR67;
break;
case 26:
state->fec = STV090x_PR78;
break;
default:
state->fec = STV090x_PRERR;
break;
}
return 0;
}
static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *state)
{
struct dvb_frontend *fe = &state->frontend;
u8 tmg;
u32 reg;
s32 i = 0, offst_freq;
msleep(5);
if (state->algo == STV090x_BLIND_SEARCH) {
tmg = STV090x_READ_DEMOD(state, TMGREG2);
STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
while ((i <= 50) && (tmg != 0) && (tmg != 0xff)) {
tmg = STV090x_READ_DEMOD(state, TMGREG2);
msleep(5);
i += 5;
}
}
state->delsys = stv090x_get_std(state);
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_get_frequency) {
if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
offst_freq = stv090x_get_car_freq(state, state->internal->mclk) / 1000;
state->frequency += offst_freq;
if (stv090x_get_viterbi(state) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DMDMODCOD);
state->modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
state->pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
state->frame_len = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) >> 1;
reg = STV090x_READ_DEMOD(state, TMGOBS);
state->rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
reg = STV090x_READ_DEMOD(state, FECM);
state->inversion = STV090x_GETFIELD_Px(reg, IQINV_FIELD);
if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000)) {
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_get_frequency) {
if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
return STV090x_RANGEOK;
else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
return STV090x_RANGEOK;
} else {
if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
return STV090x_RANGEOK;
}
return STV090x_OUTOFRANGE;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static u32 stv090x_get_tmgoffst(struct stv090x_state *state, u32 srate)
{
s32 offst_tmg;
offst_tmg = STV090x_READ_DEMOD(state, TMGREG2) << 16;
offst_tmg |= STV090x_READ_DEMOD(state, TMGREG1) << 8;
offst_tmg |= STV090x_READ_DEMOD(state, TMGREG0);
offst_tmg = comp2(offst_tmg, 24); /* 2's complement */
if (!offst_tmg)
offst_tmg = 1;
offst_tmg = ((s32) srate * 10) / ((s32) 0x1000000 / offst_tmg);
offst_tmg /= 320;
return offst_tmg;
}
static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_modcod modcod, s32 pilots)
{
u8 aclc = 0x29;
s32 i;
struct stv090x_long_frame_crloop *car_loop, *car_loop_qpsk_low, *car_loop_apsk_low;
if (state->internal->dev_ver == 0x20) {
car_loop = stv090x_s2_crl_cut20;
car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut20;
car_loop_apsk_low = stv090x_s2_apsk_crl_cut20;
} else {
/* >= Cut 3 */
car_loop = stv090x_s2_crl_cut30;
car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut30;
car_loop_apsk_low = stv090x_s2_apsk_crl_cut30;
}
if (modcod < STV090x_QPSK_12) {
i = 0;
while ((i < 3) && (modcod != car_loop_qpsk_low[i].modcod))
i++;
if (i >= 3)
i = 2;
} else {
i = 0;
while ((i < 14) && (modcod != car_loop[i].modcod))
i++;
if (i >= 14) {
i = 0;
while ((i < 11) && (modcod != car_loop_apsk_low[i].modcod))
i++;
if (i >= 11)
i = 10;
}
}
if (modcod <= STV090x_QPSK_25) {
if (pilots) {
if (state->srate <= 3000000)
aclc = car_loop_qpsk_low[i].crl_pilots_on_2;
else if (state->srate <= 7000000)
aclc = car_loop_qpsk_low[i].crl_pilots_on_5;
else if (state->srate <= 15000000)
aclc = car_loop_qpsk_low[i].crl_pilots_on_10;
else if (state->srate <= 25000000)
aclc = car_loop_qpsk_low[i].crl_pilots_on_20;
else
aclc = car_loop_qpsk_low[i].crl_pilots_on_30;
} else {
if (state->srate <= 3000000)
aclc = car_loop_qpsk_low[i].crl_pilots_off_2;
else if (state->srate <= 7000000)
aclc = car_loop_qpsk_low[i].crl_pilots_off_5;
else if (state->srate <= 15000000)
aclc = car_loop_qpsk_low[i].crl_pilots_off_10;
else if (state->srate <= 25000000)
aclc = car_loop_qpsk_low[i].crl_pilots_off_20;
else
aclc = car_loop_qpsk_low[i].crl_pilots_off_30;
}
} else if (modcod <= STV090x_8PSK_910) {
if (pilots) {
if (state->srate <= 3000000)
aclc = car_loop[i].crl_pilots_on_2;
else if (state->srate <= 7000000)
aclc = car_loop[i].crl_pilots_on_5;
else if (state->srate <= 15000000)
aclc = car_loop[i].crl_pilots_on_10;
else if (state->srate <= 25000000)
aclc = car_loop[i].crl_pilots_on_20;
else
aclc = car_loop[i].crl_pilots_on_30;
} else {
if (state->srate <= 3000000)
aclc = car_loop[i].crl_pilots_off_2;
else if (state->srate <= 7000000)
aclc = car_loop[i].crl_pilots_off_5;
else if (state->srate <= 15000000)
aclc = car_loop[i].crl_pilots_off_10;
else if (state->srate <= 25000000)
aclc = car_loop[i].crl_pilots_off_20;
else
aclc = car_loop[i].crl_pilots_off_30;
}
} else { /* 16APSK and 32APSK */
/*
* This should never happen in practice, except if
* something is really wrong at the car_loop table.
*/
if (i >= 11)
i = 10;
if (state->srate <= 3000000)
aclc = car_loop_apsk_low[i].crl_pilots_on_2;
else if (state->srate <= 7000000)
aclc = car_loop_apsk_low[i].crl_pilots_on_5;
else if (state->srate <= 15000000)
aclc = car_loop_apsk_low[i].crl_pilots_on_10;
else if (state->srate <= 25000000)
aclc = car_loop_apsk_low[i].crl_pilots_on_20;
else
aclc = car_loop_apsk_low[i].crl_pilots_on_30;
}
return aclc;
}
static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
{
struct stv090x_short_frame_crloop *short_crl = NULL;
s32 index = 0;
u8 aclc = 0x0b;
switch (state->modulation) {
case STV090x_QPSK:
default:
index = 0;
break;
case STV090x_8PSK:
index = 1;
break;
case STV090x_16APSK:
index = 2;
break;
case STV090x_32APSK:
index = 3;
break;
}
if (state->internal->dev_ver >= 0x30) {
/* Cut 3.0 and up */
short_crl = stv090x_s2_short_crl_cut30;
} else {
/* Cut 2.0 and up: we don't support cuts older than 2.0 */
short_crl = stv090x_s2_short_crl_cut20;
}
if (state->srate <= 3000000)
aclc = short_crl[index].crl_2;
else if (state->srate <= 7000000)
aclc = short_crl[index].crl_5;
else if (state->srate <= 15000000)
aclc = short_crl[index].crl_10;
else if (state->srate <= 25000000)
aclc = short_crl[index].crl_20;
else
aclc = short_crl[index].crl_30;
return aclc;
}
static int stv090x_optimize_track(struct stv090x_state *state)
{
struct dvb_frontend *fe = &state->frontend;
enum stv090x_modcod modcod;
s32 srate, pilots, aclc, f_1, f_0, i = 0, blind_tune = 0;
u32 reg;
srate = stv090x_get_srate(state, state->internal->mclk);
srate += stv090x_get_tmgoffst(state, srate);
switch (state->delsys) {
case STV090x_DVBS1:
case STV090x_DSS:
if (state->search_mode == STV090x_SEARCH_AUTO) {
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
}
reg = STV090x_READ_DEMOD(state, DEMOD);
STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x01);
if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
goto err;
if (state->internal->dev_ver >= 0x30) {
if (stv090x_get_viterbi(state) < 0)
goto err;
if (state->fec == STV090x_PR12) {
if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x98) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x18) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
goto err;
}
}
if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
goto err;
break;
case STV090x_DVBS2:
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (state->internal->dev_ver >= 0x30) {
if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
goto err;
}
if (state->frame_len == STV090x_LONG_FRAME) {
reg = STV090x_READ_DEMOD(state, DMDMODCOD);
modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
aclc = stv090x_optimize_carloop(state, modcod, pilots);
if (modcod <= STV090x_QPSK_910) {
STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc);
} else if (modcod <= STV090x_8PSK_910) {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
goto err;
}
if ((state->demod_mode == STV090x_SINGLE) && (modcod > STV090x_8PSK_910)) {
if (modcod <= STV090x_16APSK_910) {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
goto err;
}
}
} else {
/*Carrier loop setting for short frame*/
aclc = stv090x_optimize_carloop_short(state);
if (state->modulation == STV090x_QPSK) {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc) < 0)
goto err;
} else if (state->modulation == STV090x_8PSK) {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
goto err;
} else if (state->modulation == STV090x_16APSK) {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
goto err;
} else if (state->modulation == STV090x_32APSK) {
if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
goto err;
}
}
STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67); /* PER */
break;
case STV090x_ERROR:
default:
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
break;
}
f_1 = STV090x_READ_DEMOD(state, CFR2);
f_0 = STV090x_READ_DEMOD(state, CFR1);
reg = STV090x_READ_DEMOD(state, TMGOBS);
if (state->algo == STV090x_BLIND_SEARCH) {
STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);
reg = STV090x_READ_DEMOD(state, DMDCFGMD);
STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
goto err;
if (stv090x_set_srate(state, srate) < 0)
goto err;
blind_tune = 1;
if (stv090x_dvbs_track_crl(state) < 0)
goto err;
}
if (state->internal->dev_ver >= 0x20) {
if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
(state->search_mode == STV090x_SEARCH_DSS) ||
(state->search_mode == STV090x_SEARCH_AUTO)) {
if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x0a) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x00) < 0)
goto err;
}
}
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
goto err;
/* AUTO tracking MODE */
if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x80) < 0)
goto err;
/* AUTO tracking MODE */
if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x80) < 0)
goto err;
if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1) ||
(state->srate < 10000000)) {
/* update initial carrier freq with the found freq offset */
if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
goto err;
state->tuner_bw = stv090x_car_width(srate, state->rolloff) + 10000000;
if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1)) {
if (state->algo != STV090x_WARM_SEARCH) {
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
}
}
if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000))
msleep(50); /* blind search: wait 50ms for SR stabilization */
else
msleep(5);
stv090x_get_lock_tmg(state);
if (!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) {
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
goto err;
i = 0;
while ((!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) && (i <= 2)) {
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
goto err;
i++;
}
}
}
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
goto err;
}
if ((state->delsys == STV090x_DVBS1) || (state->delsys == STV090x_DSS))
stv090x_set_vit_thtracq(state);
return 0;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_get_feclock(struct stv090x_state *state, s32 timeout)
{
s32 timer = 0, lock = 0, stat;
u32 reg;
while ((timer < timeout) && (!lock)) {
reg = STV090x_READ_DEMOD(state, DMDSTATE);
stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
switch (stat) {
case 0: /* searching */
case 1: /* first PLH detected */
default:
lock = 0;
break;
case 2: /* DVB-S2 mode */
reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
lock = STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD);
break;
case 3: /* DVB-S1/legacy mode */
reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
lock = STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD);
break;
}
if (!lock) {
msleep(10);
timer += 10;
}
}
return lock;
}
static int stv090x_get_lock(struct stv090x_state *state, s32 timeout_dmd, s32 timeout_fec)
{
u32 reg;
s32 timer = 0;
int lock;
lock = stv090x_get_dmdlock(state, timeout_dmd);
if (lock)
lock = stv090x_get_feclock(state, timeout_fec);
if (lock) {
lock = 0;
while ((timer < timeout_fec) && (!lock)) {
reg = STV090x_READ_DEMOD(state, TSSTATUS);
lock = STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD);
msleep(1);
timer++;
}
}
return lock;
}
static int stv090x_set_s2rolloff(struct stv090x_state *state)
{
u32 reg;
if (state->internal->dev_ver <= 0x20) {
/* rolloff to auto mode if DVBS2 */
reg = STV090x_READ_DEMOD(state, DEMOD);
STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
goto err;
} else {
/* DVB-S2 rolloff to auto mode if DVBS2 */
reg = STV090x_READ_DEMOD(state, DEMOD);
STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
goto err;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
{
struct dvb_frontend *fe = &state->frontend;
enum stv090x_signal_state signal_state = STV090x_NOCARRIER;
u32 reg;
s32 agc1_power, power_iq = 0, i;
int lock = 0, low_sr = 0;
reg = STV090x_READ_DEMOD(state, TSCFGH);
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* Stop path 1 stream merger */
if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod stop */
goto err;
if (state->internal->dev_ver >= 0x20) {
if (state->srate > 5000000) {
if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x82) < 0)
goto err;
}
}
stv090x_get_lock_tmg(state);
if (state->algo == STV090x_BLIND_SEARCH) {
state->tuner_bw = 2 * 36000000; /* wide bw for unknown srate */
if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0) /* wider srate scan */
goto err;
if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
goto err;
if (stv090x_set_srate(state, 1000000) < 0) /* initial srate = 1Msps */
goto err;
} else {
/* known srate */
if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
goto err;
if (state->srate < 2000000) {
/* SR < 2MSPS */
if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x63) < 0)
goto err;
} else {
/* SR >= 2Msps */
if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
goto err;
}
if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
goto err;
if (state->internal->dev_ver >= 0x20) {
if (STV090x_WRITE_DEMOD(state, KREFTMG, 0x5a) < 0)
goto err;
if (state->algo == STV090x_COLD_SEARCH)
state->tuner_bw = (15 * (stv090x_car_width(state->srate, state->rolloff) + 10000000)) / 10;
else if (state->algo == STV090x_WARM_SEARCH)
state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + 10000000;
}
/* if cold start or warm (Symbolrate is known)
* use a Narrow symbol rate scan range
*/
if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0) /* narrow srate scan */
goto err;
if (stv090x_set_srate(state, state->srate) < 0)
goto err;
if (stv090x_set_max_srate(state, state->internal->mclk,
state->srate) < 0)
goto err;
if (stv090x_set_min_srate(state, state->internal->mclk,
state->srate) < 0)
goto err;
if (state->srate >= 10000000)
low_sr = 0;
else
low_sr = 1;
}
/* Setup tuner */
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_set_bbgain) {
reg = state->config->tuner_bbgain;
if (reg == 0)
reg = 10; /* default: 10dB */
if (state->config->tuner_set_bbgain(fe, reg) < 0)
goto err_gateoff;
}
if (state->config->tuner_set_frequency) {
if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
goto err_gateoff;
}
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
msleep(50);
if (state->config->tuner_get_status) {
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_get_status(fe, &reg) < 0)
goto err_gateoff;
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
if (reg)
dprintk(FE_DEBUG, 1, "Tuner phase locked");
else {
dprintk(FE_DEBUG, 1, "Tuner unlocked");
return STV090x_NOCARRIER;
}
}
msleep(10);
agc1_power = MAKEWORD16(STV090x_READ_DEMOD(state, AGCIQIN1),
STV090x_READ_DEMOD(state, AGCIQIN0));
if (agc1_power == 0) {
/* If AGC1 integrator value is 0
* then read POWERI, POWERQ
*/
for (i = 0; i < 5; i++) {
power_iq += (STV090x_READ_DEMOD(state, POWERI) +
STV090x_READ_DEMOD(state, POWERQ)) >> 1;
}
power_iq /= 5;
}
if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
lock = 0;
signal_state = STV090x_NOAGC1;
} else {
reg = STV090x_READ_DEMOD(state, DEMOD);
STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
if (state->internal->dev_ver <= 0x20) {
/* rolloff to auto mode if DVBS2 */
STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 1);
} else {
/* DVB-S2 rolloff to auto mode if DVBS2 */
STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 1);
}
if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
goto err;
if (stv090x_delivery_search(state) < 0)
goto err;
if (state->algo != STV090x_BLIND_SEARCH) {
if (stv090x_start_search(state) < 0)
goto err;
}
}
if (signal_state == STV090x_NOAGC1)
return signal_state;
if (state->algo == STV090x_BLIND_SEARCH)
lock = stv090x_blind_search(state);
else if (state->algo == STV090x_COLD_SEARCH)
lock = stv090x_get_coldlock(state, state->DemodTimeout);
else if (state->algo == STV090x_WARM_SEARCH)
lock = stv090x_get_dmdlock(state, state->DemodTimeout);
if ((!lock) && (state->algo == STV090x_COLD_SEARCH)) {
if (!low_sr) {
if (stv090x_chk_tmg(state))
lock = stv090x_sw_algo(state);
}
}
if (lock)
signal_state = stv090x_get_sig_params(state);
if ((lock) && (signal_state == STV090x_RANGEOK)) { /* signal within Range */
stv090x_optimize_track(state);
if (state->internal->dev_ver >= 0x20) {
/* >= Cut 2.0 :release TS reset after
* demod lock and optimized Tracking
*/
reg = STV090x_READ_DEMOD(state, TSCFGH);
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
goto err;
msleep(3);
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* merger reset */
if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
goto err;
}
lock = stv090x_get_lock(state, state->FecTimeout,
state->FecTimeout);
if (lock) {
if (state->delsys == STV090x_DVBS2) {
stv090x_set_s2rolloff(state);
reg = STV090x_READ_DEMOD(state, PDELCTRL2);
STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 1);
if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
goto err;
/* Reset DVBS2 packet delinator error counter */
reg = STV090x_READ_DEMOD(state, PDELCTRL2);
STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 0);
if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67) < 0) /* PER */
goto err;
} else {
if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
goto err;
}
/* Reset the Total packet counter */
if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0x00) < 0)
goto err;
/* Reset the packet Error counter2 */
if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
goto err;
} else {
signal_state = STV090x_NODATA;
stv090x_chk_signal(state);
}
}
return signal_state;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_set_mis(struct stv090x_state *state, int mis)
{
u32 reg;
if (mis < 0 || mis > 255) {
dprintk(FE_DEBUG, 1, "Disable MIS filtering");
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
} else {
dprintk(FE_DEBUG, 1, "Enable MIS filtering - %d", mis);
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x01);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ISIENTRY, mis) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ISIBITENA, 0xff) < 0)
goto err;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static enum dvbfe_search stv090x_search(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *props = &fe->dtv_property_cache;
if (props->frequency == 0)
return DVBFE_ALGO_SEARCH_INVALID;
switch (props->delivery_system) {
case SYS_DSS:
state->delsys = STV090x_DSS;
break;
case SYS_DVBS:
state->delsys = STV090x_DVBS1;
break;
case SYS_DVBS2:
state->delsys = STV090x_DVBS2;
break;
default:
return DVBFE_ALGO_SEARCH_INVALID;
}
state->frequency = props->frequency;
state->srate = props->symbol_rate;
state->search_mode = STV090x_SEARCH_AUTO;
state->algo = STV090x_COLD_SEARCH;
state->fec = STV090x_PRERR;
if (state->srate > 10000000) {
dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
state->search_range = 10000000;
} else {
dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
state->search_range = 5000000;
}
stv090x_set_mis(state, props->stream_id);
if (stv090x_algo(state) == STV090x_RANGEOK) {
dprintk(FE_DEBUG, 1, "Search success!");
return DVBFE_ALGO_SEARCH_SUCCESS;
} else {
dprintk(FE_DEBUG, 1, "Search failed!");
return DVBFE_ALGO_SEARCH_FAILED;
}
return DVBFE_ALGO_SEARCH_ERROR;
}
static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg, dstatus;
u8 search_state;
*status = 0;
dstatus = STV090x_READ_DEMOD(state, DSTATUS);
if (STV090x_GETFIELD_Px(dstatus, CAR_LOCK_FIELD))
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
reg = STV090x_READ_DEMOD(state, DMDSTATE);
search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
switch (search_state) {
case 0: /* searching */
case 1: /* first PLH detected */
default:
dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
break;
case 2: /* DVB-S2 mode */
dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
if (STV090x_GETFIELD_Px(dstatus, LOCK_DEFINITIF_FIELD)) {
reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
if (STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD)) {
*status |= FE_HAS_VITERBI;
reg = STV090x_READ_DEMOD(state, TSSTATUS);
if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD))
*status |= FE_HAS_SYNC | FE_HAS_LOCK;
}
}
break;
case 3: /* DVB-S1/legacy mode */
dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
if (STV090x_GETFIELD_Px(dstatus, LOCK_DEFINITIF_FIELD)) {
reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
*status |= FE_HAS_VITERBI;
reg = STV090x_READ_DEMOD(state, TSSTATUS);
if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD))
*status |= FE_HAS_SYNC | FE_HAS_LOCK;
}
}
break;
}
return 0;
}
static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
{
struct stv090x_state *state = fe->demodulator_priv;
s32 count_4, count_3, count_2, count_1, count_0, count;
u32 reg, h, m, l;
enum fe_status status;
stv090x_read_status(fe, &status);
if (!(status & FE_HAS_LOCK)) {
*per = 1 << 23; /* Max PER */
} else {
/* Counter 2 */
reg = STV090x_READ_DEMOD(state, ERRCNT22);
h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
reg = STV090x_READ_DEMOD(state, ERRCNT21);
m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
reg = STV090x_READ_DEMOD(state, ERRCNT20);
l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
*per = ((h << 16) | (m << 8) | l);
count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
if ((!count_4) && (!count_3)) {
count = (count_2 & 0xff) << 16;
count |= (count_1 & 0xff) << 8;
count |= count_0 & 0xff;
} else {
count = 1 << 24;
}
if (count == 0)
*per = 1;
}
if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
{
int res = 0;
int min = 0, med;
if ((val >= tab[min].read && val < tab[max].read) ||
(val >= tab[max].read && val < tab[min].read)) {
while ((max - min) > 1) {
med = (max + min) / 2;
if ((val >= tab[min].read && val < tab[med].read) ||
(val >= tab[med].read && val < tab[min].read))
max = med;
else
min = med;
}
res = ((val - tab[min].read) *
(tab[max].real - tab[min].real) /
(tab[max].read - tab[min].read)) +
tab[min].real;
} else {
if (tab[min].read < tab[max].read) {
if (val < tab[min].read)
res = tab[min].real;
else if (val >= tab[max].read)
res = tab[max].real;
} else {
if (val >= tab[min].read)
res = tab[min].real;
else if (val < tab[max].read)
res = tab[max].real;
}
}
return res;
}
static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg;
s32 agc_0, agc_1, agc;
s32 str;
reg = STV090x_READ_DEMOD(state, AGCIQIN1);
agc_1 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
reg = STV090x_READ_DEMOD(state, AGCIQIN0);
agc_0 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
agc = MAKEWORD16(agc_1, agc_0);
str = stv090x_table_lookup(stv090x_rf_tab,
ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
if (agc > stv090x_rf_tab[0].read)
str = 0;
else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
str = -100;
*strength = (str + 100) * 0xFFFF / 100;
return 0;
}
static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg_0, reg_1, reg, i;
s32 val_0, val_1, val = 0;
u8 lock_f;
s32 div;
u32 last;
switch (state->delsys) {
case STV090x_DVBS2:
reg = STV090x_READ_DEMOD(state, DSTATUS);
lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
if (lock_f) {
msleep(5);
for (i = 0; i < 16; i++) {
reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
val_0 = STV090x_GETFIELD_Px(reg_0, NOSPLHT_NORMED_FIELD);
val += MAKEWORD16(val_1, val_0);
msleep(1);
}
val /= 16;
last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
div = stv090x_s2cn_tab[0].read -
stv090x_s2cn_tab[last].read;
*cnr = 0xFFFF - ((val * 0xFFFF) / div);
}
break;
case STV090x_DVBS1:
case STV090x_DSS:
reg = STV090x_READ_DEMOD(state, DSTATUS);
lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
if (lock_f) {
msleep(5);
for (i = 0; i < 16; i++) {
reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
val_0 = STV090x_GETFIELD_Px(reg_0, NOSDATAT_UNNORMED_FIELD);
val += MAKEWORD16(val_1, val_0);
msleep(1);
}
val /= 16;
last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
div = stv090x_s1cn_tab[0].read -
stv090x_s1cn_tab[last].read;
*cnr = 0xFFFF - ((val * 0xFFFF) / div);
}
break;
default:
break;
}
return 0;
}
static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg;
reg = STV090x_READ_DEMOD(state, DISTXCTL);
switch (tone) {
case SEC_TONE_ON:
STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
break;
case SEC_TONE_OFF:
STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
break;
default:
return -EINVAL;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
{
return DVBFE_ALGO_CUSTOM;
}
static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg, idle = 0, fifo_full = 1;
int i;
reg = STV090x_READ_DEMOD(state, DISTXCTL);
STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD,
(state->config->diseqc_envelope_mode) ? 4 : 2);
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
for (i = 0; i < cmd->msg_len; i++) {
while (fifo_full) {
reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
}
if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
goto err;
}
reg = STV090x_READ_DEMOD(state, DISTXCTL);
STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
i = 0;
while ((!idle) && (i < 10)) {
reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
msleep(10);
i++;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg, idle = 0, fifo_full = 1;
u8 mode, value;
int i;
reg = STV090x_READ_DEMOD(state, DISTXCTL);
if (burst == SEC_MINI_A) {
mode = (state->config->diseqc_envelope_mode) ? 5 : 3;
value = 0x00;
} else {
mode = (state->config->diseqc_envelope_mode) ? 4 : 2;
value = 0xFF;
}
STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
while (fifo_full) {
reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
}
if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DISTXCTL);
STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
goto err;
i = 0;
while ((!idle) && (i < 10)) {
reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
msleep(10);
i++;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg = 0, i = 0, rx_end = 0;
while ((rx_end != 1) && (i < 10)) {
msleep(10);
i++;
reg = STV090x_READ_DEMOD(state, DISRX_ST0);
rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
}
if (rx_end) {
reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
for (i = 0; i < reply->msg_len; i++)
reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
}
return 0;
}
static int stv090x_sleep(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg;
u8 full_standby = 0;
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (state->config->tuner_sleep) {
if (state->config->tuner_sleep(fe) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
dprintk(FE_DEBUG, 1, "Set %s(%d) to sleep",
state->device == STV0900 ? "STV0900" : "STV0903",
state->demod);
mutex_lock(&state->internal->demod_lock);
switch (state->demod) {
case STV090x_DEMODULATOR_0:
/* power off ADC 1 */
reg = stv090x_read_reg(state, STV090x_TSTTNR1);
STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
goto err_unlock;
/* power off DiSEqC 1 */
reg = stv090x_read_reg(state, STV090x_TSTTNR2);
STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
goto err_unlock;
/* check whether path 2 is already sleeping, that is when
ADC2 is off */
reg = stv090x_read_reg(state, STV090x_TSTTNR3);
if (STV090x_GETFIELD(reg, ADC2_PON_FIELD) == 0)
full_standby = 1;
/* stop clocks */
reg = stv090x_read_reg(state, STV090x_STOPCLK1);
/* packet delineator 1 clock */
STV090x_SETFIELD(reg, STOP_CLKPKDT1_FIELD, 1);
/* ADC 1 clock */
STV090x_SETFIELD(reg, STOP_CLKADCI1_FIELD, 1);
/* FEC clock is shared between the two paths, only stop it
when full standby is possible */
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
goto err_unlock;
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
/* sampling 1 clock */
STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 1);
/* viterbi 1 clock */
STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, 1);
/* TS clock is shared between the two paths, only stop it
when full standby is possible */
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
goto err_unlock;
break;
case STV090x_DEMODULATOR_1:
/* power off ADC 2 */
reg = stv090x_read_reg(state, STV090x_TSTTNR3);
STV090x_SETFIELD(reg, ADC2_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
goto err_unlock;
/* power off DiSEqC 2 */
reg = stv090x_read_reg(state, STV090x_TSTTNR4);
STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
goto err_unlock;
/* check whether path 1 is already sleeping, that is when
ADC1 is off */
reg = stv090x_read_reg(state, STV090x_TSTTNR1);
if (STV090x_GETFIELD(reg, ADC1_PON_FIELD) == 0)
full_standby = 1;
/* stop clocks */
reg = stv090x_read_reg(state, STV090x_STOPCLK1);
/* packet delineator 2 clock */
STV090x_SETFIELD(reg, STOP_CLKPKDT2_FIELD, 1);
/* ADC 2 clock */
STV090x_SETFIELD(reg, STOP_CLKADCI2_FIELD, 1);
/* FEC clock is shared between the two paths, only stop it
when full standby is possible */
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
goto err_unlock;
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
/* sampling 2 clock */
STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 1);
/* viterbi 2 clock */
STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, 1);
/* TS clock is shared between the two paths, only stop it
when full standby is possible */
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
goto err_unlock;
break;
default:
dprintk(FE_ERROR, 1, "Wrong demodulator!");
break;
}
if (full_standby) {
/* general power off */
reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
goto err_unlock;
}
mutex_unlock(&state->internal->demod_lock);
return 0;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
goto err;
err_unlock:
mutex_unlock(&state->internal->demod_lock);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_wakeup(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
u32 reg;
dprintk(FE_DEBUG, 1, "Wake %s(%d) from standby",
state->device == STV0900 ? "STV0900" : "STV0903",
state->demod);
mutex_lock(&state->internal->demod_lock);
/* general power on */
reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
goto err;
switch (state->demod) {
case STV090x_DEMODULATOR_0:
/* power on ADC 1 */
reg = stv090x_read_reg(state, STV090x_TSTTNR1);
STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
goto err;
/* power on DiSEqC 1 */
reg = stv090x_read_reg(state, STV090x_TSTTNR2);
STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 1);
if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
goto err;
/* activate clocks */
reg = stv090x_read_reg(state, STV090x_STOPCLK1);
/* packet delineator 1 clock */
STV090x_SETFIELD(reg, STOP_CLKPKDT1_FIELD, 0);
/* ADC 1 clock */
STV090x_SETFIELD(reg, STOP_CLKADCI1_FIELD, 0);
/* FEC clock */
STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 0);
if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
goto err;
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
/* sampling 1 clock */
STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 0);
/* viterbi 1 clock */
STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, 0);
/* TS clock */
STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 0);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
goto err;
break;
case STV090x_DEMODULATOR_1:
/* power on ADC 2 */
reg = stv090x_read_reg(state, STV090x_TSTTNR3);
STV090x_SETFIELD(reg, ADC2_PON_FIELD, 1);
if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
goto err;
/* power on DiSEqC 2 */
reg = stv090x_read_reg(state, STV090x_TSTTNR4);
STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 1);
if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
goto err;
/* activate clocks */
reg = stv090x_read_reg(state, STV090x_STOPCLK1);
/* packet delineator 2 clock */
STV090x_SETFIELD(reg, STOP_CLKPKDT2_FIELD, 0);
/* ADC 2 clock */
STV090x_SETFIELD(reg, STOP_CLKADCI2_FIELD, 0);
/* FEC clock */
STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 0);
if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
goto err;
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
/* sampling 2 clock */
STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 0);
/* viterbi 2 clock */
STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, 0);
/* TS clock */
STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 0);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
goto err;
break;
default:
dprintk(FE_ERROR, 1, "Wrong demodulator!");
break;
}
mutex_unlock(&state->internal->demod_lock);
return 0;
err:
mutex_unlock(&state->internal->demod_lock);
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static void stv090x_release(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
state->internal->num_used--;
if (state->internal->num_used <= 0) {
dprintk(FE_ERROR, 1, "Actually removing");
remove_dev(state->internal);
kfree(state->internal);
}
kfree(state);
}
static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
{
u32 reg = 0;
reg = stv090x_read_reg(state, STV090x_GENCFG);
switch (ldpc_mode) {
case STV090x_DUAL:
default:
if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
/* set LDPC to dual mode */
if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
goto err;
state->demod_mode = STV090x_DUAL;
reg = stv090x_read_reg(state, STV090x_TSTRES0);
STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
goto err;
STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
goto err;
}
break;
case STV090x_SINGLE:
if (stv090x_stop_modcod(state) < 0)
goto err;
if (stv090x_activate_modcod_single(state) < 0)
goto err;
if (state->demod == STV090x_DEMODULATOR_1) {
if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
goto err;
} else {
if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
goto err;
}
reg = stv090x_read_reg(state, STV090x_TSTRES0);
STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
goto err;
STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, PDELCTRL1);
STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
goto err;
break;
}
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
/* return (Hz), clk in Hz*/
static u32 stv090x_get_mclk(struct stv090x_state *state)
{
const struct stv090x_config *config = state->config;
u32 div, reg;
u8 ratio;
div = stv090x_read_reg(state, STV090x_NCOARSE);
reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
return (div + 1) * config->xtal / ratio; /* kHz */
}
static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
{
const struct stv090x_config *config = state->config;
u32 reg, div, clk_sel;
reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
div = ((clk_sel * mclk) / config->xtal) - 1;
reg = stv090x_read_reg(state, STV090x_NCOARSE);
STV090x_SETFIELD(reg, M_DIV_FIELD, div);
if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
goto err;
state->internal->mclk = stv090x_get_mclk(state);
/*Set the DiseqC frequency to 22KHz */
div = state->internal->mclk / 704000;
if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv0900_set_tspath(struct stv090x_state *state)
{
u32 reg;
if (state->internal->dev_ver >= 0x20) {
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
switch (state->config->ts2_mode) {
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
break;
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
goto err;
reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
goto err;
reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
goto err;
break;
}
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
switch (state->config->ts2_mode) {
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
goto err;
break;
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
goto err;
break;
}
break;
}
} else {
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
switch (state->config->ts2_mode) {
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
break;
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
goto err;
reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
goto err;
break;
}
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
switch (state->config->ts2_mode) {
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
break;
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
break;
}
break;
}
}
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_DVBCI:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_SERIAL_CONTINUOUS:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
default:
break;
}
switch (state->config->ts2_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_DVBCI:
reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_SERIAL_CONTINUOUS:
reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
goto err;
break;
default:
break;
}
if (state->config->ts1_clk > 0) {
u32 speed;
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
default:
speed = state->internal->mclk /
(state->config->ts1_clk / 4);
if (speed < 0x08)
speed = 0x08;
if (speed > 0xFF)
speed = 0xFF;
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
speed = state->internal->mclk /
(state->config->ts1_clk / 32);
if (speed < 0x20)
speed = 0x20;
if (speed > 0xFF)
speed = 0xFF;
break;
}
reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
goto err;
}
if (state->config->ts2_clk > 0) {
u32 speed;
switch (state->config->ts2_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
default:
speed = state->internal->mclk /
(state->config->ts2_clk / 4);
if (speed < 0x08)
speed = 0x08;
if (speed > 0xFF)
speed = 0xFF;
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
speed = state->internal->mclk /
(state->config->ts2_clk / 32);
if (speed < 0x20)
speed = 0x20;
if (speed > 0xFF)
speed = 0xFF;
break;
}
reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P2_TSSPEED, speed) < 0)
goto err;
}
reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
goto err;
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv0903_set_tspath(struct stv090x_state *state)
{
u32 reg;
if (state->internal->dev_ver >= 0x20) {
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c);
break;
}
} else {
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
default:
stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
break;
}
}
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_DVBCI:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
case STV090x_TSMODE_SERIAL_CONTINUOUS:
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
break;
default:
break;
}
if (state->config->ts1_clk > 0) {
u32 speed;
switch (state->config->ts1_mode) {
case STV090x_TSMODE_PARALLEL_PUNCTURED:
case STV090x_TSMODE_DVBCI:
default:
speed = state->internal->mclk /
(state->config->ts1_clk / 4);
if (speed < 0x08)
speed = 0x08;
if (speed > 0xFF)
speed = 0xFF;
break;
case STV090x_TSMODE_SERIAL_PUNCTURED:
case STV090x_TSMODE_SERIAL_CONTINUOUS:
speed = state->internal->mclk /
(state->config->ts1_clk / 32);
if (speed < 0x20)
speed = 0x20;
if (speed > 0xFF)
speed = 0xFF;
break;
}
reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
goto err;
}
reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_init(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
const struct stv090x_config *config = state->config;
u32 reg;
if (state->internal->mclk == 0) {
/* call tuner init to configure the tuner's clock output
divider directly before setting up the master clock of
the stv090x. */
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (config->tuner_init) {
if (config->tuner_init(fe) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
msleep(5);
if (stv090x_write_reg(state, STV090x_SYNTCTRL,
0x20 | config->clk_mode) < 0)
goto err;
stv090x_get_mclk(state);
}
if (stv090x_wakeup(fe) < 0) {
dprintk(FE_ERROR, 1, "Error waking device");
goto err;
}
if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, TNRCFG2);
STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
goto err;
reg = STV090x_READ_DEMOD(state, DEMOD);
STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
goto err;
if (stv090x_i2c_gate_ctrl(state, 1) < 0)
goto err;
if (config->tuner_set_mode) {
if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
goto err_gateoff;
}
if (config->tuner_init) {
if (config->tuner_init(fe) < 0)
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
if (state->device == STV0900) {
if (stv0900_set_tspath(state) < 0)
goto err;
} else {
if (stv0903_set_tspath(state) < 0)
goto err;
}
return 0;
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_setup(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
const struct stv090x_config *config = state->config;
const struct stv090x_reg *stv090x_initval = NULL;
const struct stv090x_reg *stv090x_cut20_val = NULL;
unsigned long t1_size = 0, t2_size = 0;
u32 reg = 0;
int i;
if (state->device == STV0900) {
dprintk(FE_DEBUG, 1, "Initializing STV0900");
stv090x_initval = stv0900_initval;
t1_size = ARRAY_SIZE(stv0900_initval);
stv090x_cut20_val = stv0900_cut20_val;
t2_size = ARRAY_SIZE(stv0900_cut20_val);
} else if (state->device == STV0903) {
dprintk(FE_DEBUG, 1, "Initializing STV0903");
stv090x_initval = stv0903_initval;
t1_size = ARRAY_SIZE(stv0903_initval);
stv090x_cut20_val = stv0903_cut20_val;
t2_size = ARRAY_SIZE(stv0903_cut20_val);
}
/* STV090x init */
/* Stop Demod */
if (stv090x_write_reg(state, STV090x_P1_DMDISTATE, 0x5c) < 0)
goto err;
if (state->device == STV0900)
if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
goto err;
msleep(5);
/* Set No Tuner Mode */
if (stv090x_write_reg(state, STV090x_P1_TNRCFG, 0x6c) < 0)
goto err;
if (state->device == STV0900)
if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
goto err;
/* I2C repeater OFF */
STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
if (stv090x_write_reg(state, STV090x_P1_I2CRPT, reg) < 0)
goto err;
if (state->device == STV0900)
if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
goto err;
msleep(5);
if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
goto err;
if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
goto err;
msleep(5);
/* write initval */
dprintk(FE_DEBUG, 1, "Setting up initial values");
for (i = 0; i < t1_size; i++) {
if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
goto err;
}
state->internal->dev_ver = stv090x_read_reg(state, STV090x_MID);
if (state->internal->dev_ver >= 0x20) {
if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
goto err;
/* write cut20_val*/
dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
for (i = 0; i < t2_size; i++) {
if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
goto err;
}
} else if (state->internal->dev_ver < 0x20) {
dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
state->internal->dev_ver);
goto err;
} else if (state->internal->dev_ver > 0x30) {
/* we shouldn't bail out from here */
dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
state->internal->dev_ver);
}
/* ADC1 range */
reg = stv090x_read_reg(state, STV090x_TSTTNR1);
STV090x_SETFIELD(reg, ADC1_INMODE_FIELD,
(config->adc1_range == STV090x_ADC_1Vpp) ? 0 : 1);
if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
goto err;
/* ADC2 range */
reg = stv090x_read_reg(state, STV090x_TSTTNR3);
STV090x_SETFIELD(reg, ADC2_INMODE_FIELD,
(config->adc2_range == STV090x_ADC_1Vpp) ? 0 : 1);
if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
goto err;
return 0;
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
static int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir,
u8 value, u8 xor_value)
{
struct stv090x_state *state = fe->demodulator_priv;
u8 reg = 0;
STV090x_SETFIELD(reg, GPIOx_OPD_FIELD, dir);
STV090x_SETFIELD(reg, GPIOx_CONFIG_FIELD, value);
STV090x_SETFIELD(reg, GPIOx_XOR_FIELD, xor_value);
return stv090x_write_reg(state, STV090x_GPIOxCFG(gpio), reg);
}
static struct dvb_frontend_ops stv090x_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
.info = {
.name = "STV090x Multistandard",
.frequency_min = 950000,
.frequency_max = 2150000,
.frequency_stepsize = 0,
.frequency_tolerance = 0,
.symbol_rate_min = 1000000,
.symbol_rate_max = 45000000,
.caps = FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_AUTO |
FE_CAN_QPSK |
FE_CAN_2G_MODULATION
},
.release = stv090x_release,
.init = stv090x_init,
.sleep = stv090x_sleep,
.get_frontend_algo = stv090x_frontend_algo,
.diseqc_send_master_cmd = stv090x_send_diseqc_msg,
.diseqc_send_burst = stv090x_send_diseqc_burst,
.diseqc_recv_slave_reply = stv090x_recv_slave_reply,
.set_tone = stv090x_set_tone,
.search = stv090x_search,
.read_status = stv090x_read_status,
.read_ber = stv090x_read_per,
.read_signal_strength = stv090x_read_signal_strength,
.read_snr = stv090x_read_cnr,
};
struct dvb_frontend *stv090x_attach(struct stv090x_config *config,
struct i2c_adapter *i2c,
enum stv090x_demodulator demod)
{
struct stv090x_state *state = NULL;
struct stv090x_dev *temp_int;
state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
if (state == NULL)
goto error;
state->verbose = &verbose;
state->config = config;
state->i2c = i2c;
state->frontend.ops = stv090x_ops;
state->frontend.demodulator_priv = state;
state->demod = demod;
state->demod_mode = config->demod_mode; /* Single or Dual mode */
state->device = config->device;
state->rolloff = STV090x_RO_35; /* default */
temp_int = find_dev(state->i2c,
state->config->address);
if ((temp_int != NULL) && (state->demod_mode == STV090x_DUAL)) {
state->internal = temp_int->internal;
state->internal->num_used++;
dprintk(FE_INFO, 1, "Found Internal Structure!");
} else {
state->internal = kmalloc(sizeof(struct stv090x_internal),
GFP_KERNEL);
if (!state->internal)
goto error;
temp_int = append_internal(state->internal);
if (!temp_int) {
kfree(state->internal);
goto error;
}
state->internal->num_used = 1;
state->internal->mclk = 0;
state->internal->dev_ver = 0;
state->internal->i2c_adap = state->i2c;
state->internal->i2c_addr = state->config->address;
dprintk(FE_INFO, 1, "Create New Internal Structure!");
mutex_init(&state->internal->demod_lock);
mutex_init(&state->internal->tuner_lock);
if (stv090x_setup(&state->frontend) < 0) {
dprintk(FE_ERROR, 1, "Error setting up device");
goto err_remove;
}
}
if (state->internal->dev_ver >= 0x30)
state->frontend.ops.info.caps |= FE_CAN_MULTISTREAM;
/* workaround for stuck DiSEqC output */
if (config->diseqc_envelope_mode)
stv090x_send_diseqc_burst(&state->frontend, SEC_MINI_A);
config->set_gpio = stv090x_set_gpio;
dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
state->device == STV0900 ? "STV0900" : "STV0903",
demod,
state->internal->dev_ver);
return &state->frontend;
err_remove:
remove_dev(state->internal);
kfree(state->internal);
error:
kfree(state);
return NULL;
}
EXPORT_SYMBOL(stv090x_attach);
MODULE_PARM_DESC(verbose, "Set Verbosity level");
MODULE_AUTHOR("Manu Abraham");
MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
MODULE_LICENSE("GPL");
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