| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Manu Abraham | 24347 | 83.77% | 17 | 18.48% |
| Andreas Regel | 3285 | 11.30% | 26 | 28.26% |
| Oliver Endriss | 341 | 1.17% | 8 | 8.70% |
| Tobias Klausmann | 271 | 0.93% | 1 | 1.09% |
| Evgeny Plehov | 189 | 0.65% | 1 | 1.09% |
| Mauro Carvalho Chehab | 137 | 0.47% | 14 | 15.22% |
| Patrick Boettcher | 119 | 0.41% | 2 | 2.17% |
| Athanasios Oikonomou | 100 | 0.34% | 1 | 1.09% |
| Dan Carpenter | 59 | 0.20% | 2 | 2.17% |
| Guy Martin | 41 | 0.14% | 1 | 1.09% |
| Joerg Riechardt | 40 | 0.14% | 1 | 1.09% |
| Alan Cox | 39 | 0.13% | 1 | 1.09% |
| Michael Hunold | 38 | 0.13% | 2 | 2.17% |
| David Härdeman | 17 | 0.06% | 3 | 3.26% |
| Alexey Khoroshilov | 14 | 0.05% | 1 | 1.09% |
| Arnd Bergmann | 7 | 0.02% | 1 | 1.09% |
| Lucas De Marchi | 6 | 0.02% | 1 | 1.09% |
| Andrew Morton | 6 | 0.02% | 2 | 2.17% |
| Linus Torvalds (pre-git) | 2 | 0.01% | 1 | 1.09% |
| Thomas Gleixner | 2 | 0.01% | 1 | 1.09% |
| Uwe Kleine-König | 2 | 0.01% | 2 | 2.17% |
| Greg Kroah-Hartman | 1 | 0.00% | 1 | 1.09% |
| Max Kellermann | 1 | 0.00% | 1 | 1.09% |
| Linus Torvalds | 1 | 0.00% | 1 | 1.09% |
| Total | 29065 | 92 |
// 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) { 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 void stv090x_remove(struct i2c_client *client) { struct stv090x_state *state = i2c_get_clientdata(client); stv090x_release(&state->frontend); } 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");
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