diff options
Diffstat (limited to 'drivers/media/dvb-frontends/stv090x.c')
| -rw-r--r-- | drivers/media/dvb-frontends/stv090x.c | 5099 |
1 files changed, 5099 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c new file mode 100644 index 000000000..799dbefb9 --- /dev/null +++ b/drivers/media/dvb-frontends/stv090x.c @@ -0,0 +1,5099 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + STV0900/0903 Multistandard Broadcast Frontend driver + Copyright (C) Manu Abraham <abraham.manu@gmail.com> + + Copyright (C) ST Microelectronics + +*/ + +#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 <media/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); + + dprintk(FE_DEBUGREG, 1, "%s [0x%04x]: %*ph", + __func__, reg, count, data); + + 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) +{ + u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ + + return stv090x_write_regs(state, reg, &tmp, 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, ®) < 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, ®) < 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, ®) < 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_pls(struct stv090x_state *state, u32 pls_code) +{ + dprintk(FE_DEBUG, 1, "Set Gold PLS code %d", pls_code); + if (STV090x_WRITE_DEMOD(state, PLROOT0, pls_code & 0xff) < 0) + goto err; + if (STV090x_WRITE_DEMOD(state, PLROOT1, (pls_code >> 8) & 0xff) < 0) + goto err; + if (STV090x_WRITE_DEMOD(state, PLROOT2, 0x04 | (pls_code >> 16)) < 0) + goto err; + return 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_pls(state, props->scrambling_sequence_index); + 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[last].real - + stv090x_s2cn_tab[3].real; + val = stv090x_table_lookup(stv090x_s2cn_tab, last, val); + if (val < 0) + val = 0; + *cnr = 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[last].real - + stv090x_s1cn_tab[0].real; + val = stv090x_table_lookup(stv090x_s1cn_tab, last, val); + *cnr = val * 0xFFFF / div; + } + break; + default: + break; + } + + return 0; +} + +static int stv090x_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode 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, + enum fe_sec_mini_cmd 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 int stv090x_setup_compound(struct stv090x_state *state) +{ + struct stv090x_dev *temp_int; + + temp_int = find_dev(state->i2c, + state->config->address); + + if (temp_int && 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(*state->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 (state->config->diseqc_envelope_mode) + stv090x_send_diseqc_burst(&state->frontend, SEC_MINI_A); + + state->config->set_gpio = stv090x_set_gpio; + + dprintk(FE_ERROR, 1, "Probing %s demodulator(%d) Cut=0x%02x", + state->device == STV0900 ? "STV0900" : "STV0903", + state->config->demod, + state->internal->dev_ver); + + return 0; + +error: + return -ENOMEM; +err_remove: + remove_dev(state->internal); + kfree(state->internal); + return -ENODEV; +} + +static const struct dvb_frontend_ops stv090x_ops = { + .delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS }, + .info = { + .name = "STV090x Multistandard", + .frequency_min_hz = 950 * MHz, + .frequency_max_hz = 2150 * MHz, + .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, +}; + +static struct dvb_frontend *stv090x_get_dvb_frontend(struct i2c_client *client) +{ + struct stv090x_state *state = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + return &state->frontend; +} + +static int stv090x_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret = 0; + struct stv090x_config *config = client->dev.platform_data; + + struct stv090x_state *state = NULL; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) { + ret = -ENOMEM; + goto error; + } + + state->verbose = &verbose; + state->config = config; + state->i2c = client->adapter; + state->frontend.ops = stv090x_ops; + state->frontend.demodulator_priv = state; + state->demod = config->demod; + /* Single or Dual mode */ + state->demod_mode = config->demod_mode; + state->device = config->device; + /* default */ + state->rolloff = STV090x_RO_35; + + ret = stv090x_setup_compound(state); + if (ret) + goto error; + + i2c_set_clientdata(client, state); + + /* setup callbacks */ + config->get_dvb_frontend = stv090x_get_dvb_frontend; + + return 0; + +error: + kfree(state); + return ret; +} + +static int stv090x_remove(struct i2c_client *client) +{ + struct stv090x_state *state = i2c_get_clientdata(client); + + stv090x_release(&state->frontend); + return 0; +} + +struct dvb_frontend *stv090x_attach(struct stv090x_config *config, + struct i2c_adapter *i2c, + enum stv090x_demodulator demod) +{ + int ret = 0; + struct stv090x_state *state = NULL; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + goto error; + + state->verbose = &verbose; + state->config = config; + state->i2c = i2c; + state->frontend.ops = stv090x_ops; + state->frontend.demodulator_priv = state; + state->demod = demod; + /* Single or Dual mode */ + state->demod_mode = config->demod_mode; + state->device = config->device; + /* default */ + state->rolloff = STV090x_RO_35; + + ret = stv090x_setup_compound(state); + if (ret) + goto error; + + return &state->frontend; + +error: + kfree(state); + return NULL; +} +EXPORT_SYMBOL_GPL(stv090x_attach); + +static const struct i2c_device_id stv090x_id_table[] = { + {"stv090x", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, stv090x_id_table); + +static struct i2c_driver stv090x_driver = { + .driver = { + .name = "stv090x", + .suppress_bind_attrs = true, + }, + .probe = stv090x_probe, + .remove = stv090x_remove, + .id_table = stv090x_id_table, +}; + +module_i2c_driver(stv090x_driver); + +MODULE_PARM_DESC(verbose, "Set Verbosity level"); +MODULE_AUTHOR("Manu Abraham"); +MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend"); +MODULE_LICENSE("GPL"); |