--- /dev/null
+/*
+ STV0900/0903 Multistandard Broadcast Frontend driver
+ Copyright (C) Manu Abraham <abraham.manu@gmail.com>
+
+ Copyright (C) ST Microelectronics
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+
+#include <linux/dvb/frontend.h>
+#include "dvb_frontend.h"
+
+#include "stv6110x.h" /* for demodulator internal modes */
+
+#include "stv090x_reg.h"
+#include "stv090x.h"
+#include "stv090x_priv.h"
+
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 64
+
+static unsigned int verbose;
+module_param(verbose, int, 0644);
+
+/* internal params node */
+struct stv090x_dev {
+ /* pointer for internal params, one for each pair of demods */
+ struct stv090x_internal *internal;
+ struct stv090x_dev *next_dev;
+};
+
+/* first internal params */
+static struct stv090x_dev *stv090x_first_dev;
+
+/* find chip by i2c adapter and i2c address */
+static struct stv090x_dev *find_dev(struct i2c_adapter *i2c_adap,
+ u8 i2c_addr)
+{
+ struct stv090x_dev *temp_dev = stv090x_first_dev;
+
+ /*
+ Search of the last stv0900 chip or
+ find it by i2c adapter and i2c address */
+ while ((temp_dev != NULL) &&
+ ((temp_dev->internal->i2c_adap != i2c_adap) ||
+ (temp_dev->internal->i2c_addr != i2c_addr))) {
+
+ temp_dev = temp_dev->next_dev;
+ }
+
+ return temp_dev;
+}
+
+/* deallocating chip */
+static void remove_dev(struct stv090x_internal *internal)
+{
+ struct stv090x_dev *prev_dev = stv090x_first_dev;
+ struct stv090x_dev *del_dev = find_dev(internal->i2c_adap,
+ internal->i2c_addr);
+
+ if (del_dev != NULL) {
+ if (del_dev == stv090x_first_dev) {
+ stv090x_first_dev = del_dev->next_dev;
+ } else {
+ while (prev_dev->next_dev != del_dev)
+ prev_dev = prev_dev->next_dev;
+
+ prev_dev->next_dev = del_dev->next_dev;
+ }
+
+ kfree(del_dev);
+ }
+}
+
+/* allocating new chip */
+static struct stv090x_dev *append_internal(struct stv090x_internal *internal)
+{
+ struct stv090x_dev *new_dev;
+ struct stv090x_dev *temp_dev;
+
+ new_dev = kmalloc(sizeof(struct stv090x_dev), GFP_KERNEL);
+ if (new_dev != NULL) {
+ new_dev->internal = internal;
+ new_dev->next_dev = NULL;
+
+ /* append to list */
+ if (stv090x_first_dev == NULL) {
+ stv090x_first_dev = new_dev;
+ } else {
+ temp_dev = stv090x_first_dev;
+ while (temp_dev->next_dev != NULL)
+ temp_dev = temp_dev->next_dev;
+
+ temp_dev->next_dev = new_dev;
+ }
+ }
+
+ return new_dev;
+}
+
+
+/* DVBS1 and DSS C/N Lookup table */
+static const struct stv090x_tab stv090x_s1cn_tab[] = {
+ { 0, 8917 }, /* 0.0dB */
+ { 5, 8801 }, /* 0.5dB */
+ { 10, 8667 }, /* 1.0dB */
+ { 15, 8522 }, /* 1.5dB */
+ { 20, 8355 }, /* 2.0dB */
+ { 25, 8175 }, /* 2.5dB */
+ { 30, 7979 }, /* 3.0dB */
+ { 35, 7763 }, /* 3.5dB */
+ { 40, 7530 }, /* 4.0dB */
+ { 45, 7282 }, /* 4.5dB */
+ { 50, 7026 }, /* 5.0dB */
+ { 55, 6781 }, /* 5.5dB */
+ { 60, 6514 }, /* 6.0dB */
+ { 65, 6241 }, /* 6.5dB */
+ { 70, 5965 }, /* 7.0dB */
+ { 75, 5690 }, /* 7.5dB */
+ { 80, 5424 }, /* 8.0dB */
+ { 85, 5161 }, /* 8.5dB */
+ { 90, 4902 }, /* 9.0dB */
+ { 95, 4654 }, /* 9.5dB */
+ { 100, 4417 }, /* 10.0dB */
+ { 105, 4186 }, /* 10.5dB */
+ { 110, 3968 }, /* 11.0dB */
+ { 115, 3757 }, /* 11.5dB */
+ { 120, 3558 }, /* 12.0dB */
+ { 125, 3366 }, /* 12.5dB */
+ { 130, 3185 }, /* 13.0dB */
+ { 135, 3012 }, /* 13.5dB */
+ { 140, 2850 }, /* 14.0dB */
+ { 145, 2698 }, /* 14.5dB */
+ { 150, 2550 }, /* 15.0dB */
+ { 160, 2283 }, /* 16.0dB */
+ { 170, 2042 }, /* 17.0dB */
+ { 180, 1827 }, /* 18.0dB */
+ { 190, 1636 }, /* 19.0dB */
+ { 200, 1466 }, /* 20.0dB */
+ { 210, 1315 }, /* 21.0dB */
+ { 220, 1181 }, /* 22.0dB */
+ { 230, 1064 }, /* 23.0dB */
+ { 240, 960 }, /* 24.0dB */
+ { 250, 869 }, /* 25.0dB */
+ { 260, 792 }, /* 26.0dB */
+ { 270, 724 }, /* 27.0dB */
+ { 280, 665 }, /* 28.0dB */
+ { 290, 616 }, /* 29.0dB */
+ { 300, 573 }, /* 30.0dB */
+ { 310, 537 }, /* 31.0dB */
+ { 320, 507 }, /* 32.0dB */
+ { 330, 483 }, /* 33.0dB */
+ { 400, 398 }, /* 40.0dB */
+ { 450, 381 }, /* 45.0dB */
+ { 500, 377 } /* 50.0dB */
+};
+
+/* DVBS2 C/N Lookup table */
+static const struct stv090x_tab stv090x_s2cn_tab[] = {
+ { -30, 13348 }, /* -3.0dB */
+ { -20, 12640 }, /* -2d.0B */
+ { -10, 11883 }, /* -1.0dB */
+ { 0, 11101 }, /* -0.0dB */
+ { 5, 10718 }, /* 0.5dB */
+ { 10, 10339 }, /* 1.0dB */
+ { 15, 9947 }, /* 1.5dB */
+ { 20, 9552 }, /* 2.0dB */
+ { 25, 9183 }, /* 2.5dB */
+ { 30, 8799 }, /* 3.0dB */
+ { 35, 8422 }, /* 3.5dB */
+ { 40, 8062 }, /* 4.0dB */
+ { 45, 7707 }, /* 4.5dB */
+ { 50, 7353 }, /* 5.0dB */
+ { 55, 7025 }, /* 5.5dB */
+ { 60, 6684 }, /* 6.0dB */
+ { 65, 6331 }, /* 6.5dB */
+ { 70, 6036 }, /* 7.0dB */
+ { 75, 5727 }, /* 7.5dB */
+ { 80, 5437 }, /* 8.0dB */
+ { 85, 5164 }, /* 8.5dB */
+ { 90, 4902 }, /* 9.0dB */
+ { 95, 4653 }, /* 9.5dB */
+ { 100, 4408 }, /* 10.0dB */
+ { 105, 4187 }, /* 10.5dB */
+ { 110, 3961 }, /* 11.0dB */
+ { 115, 3751 }, /* 11.5dB */
+ { 120, 3558 }, /* 12.0dB */
+ { 125, 3368 }, /* 12.5dB */
+ { 130, 3191 }, /* 13.0dB */
+ { 135, 3017 }, /* 13.5dB */
+ { 140, 2862 }, /* 14.0dB */
+ { 145, 2710 }, /* 14.5dB */
+ { 150, 2565 }, /* 15.0dB */
+ { 160, 2300 }, /* 16.0dB */
+ { 170, 2058 }, /* 17.0dB */
+ { 180, 1849 }, /* 18.0dB */
+ { 190, 1663 }, /* 19.0dB */
+ { 200, 1495 }, /* 20.0dB */
+ { 210, 1349 }, /* 21.0dB */
+ { 220, 1222 }, /* 22.0dB */
+ { 230, 1110 }, /* 23.0dB */
+ { 240, 1011 }, /* 24.0dB */
+ { 250, 925 }, /* 25.0dB */
+ { 260, 853 }, /* 26.0dB */
+ { 270, 789 }, /* 27.0dB */
+ { 280, 734 }, /* 28.0dB */
+ { 290, 690 }, /* 29.0dB */
+ { 300, 650 }, /* 30.0dB */
+ { 310, 619 }, /* 31.0dB */
+ { 320, 593 }, /* 32.0dB */
+ { 330, 571 }, /* 33.0dB */
+ { 400, 498 }, /* 40.0dB */
+ { 450, 484 }, /* 45.0dB */
+ { 500, 481 } /* 50.0dB */
+};
+
+/* RF level C/N lookup table */
+static const struct stv090x_tab stv090x_rf_tab[] = {
+ { -5, 0xcaa1 }, /* -5dBm */
+ { -10, 0xc229 }, /* -10dBm */
+ { -15, 0xbb08 }, /* -15dBm */
+ { -20, 0xb4bc }, /* -20dBm */
+ { -25, 0xad5a }, /* -25dBm */
+ { -30, 0xa298 }, /* -30dBm */
+ { -35, 0x98a8 }, /* -35dBm */
+ { -40, 0x8389 }, /* -40dBm */
+ { -45, 0x59be }, /* -45dBm */
+ { -50, 0x3a14 }, /* -50dBm */
+ { -55, 0x2d11 }, /* -55dBm */
+ { -60, 0x210d }, /* -60dBm */
+ { -65, 0xa14f }, /* -65dBm */
+ { -70, 0x07aa } /* -70dBm */
+};
+
+
+static struct stv090x_reg stv0900_initval[] = {
+
+ { STV090x_OUTCFG, 0x00 },
+ { STV090x_MODECFG, 0xff },
+ { STV090x_AGCRF1CFG, 0x11 },
+ { STV090x_AGCRF2CFG, 0x13 },
+ { STV090x_TSGENERAL1X, 0x14 },
+ { STV090x_TSTTNR2, 0x21 },
+ { STV090x_TSTTNR4, 0x21 },
+ { STV090x_P2_DISTXCTL, 0x22 },
+ { STV090x_P2_F22TX, 0xc0 },
+ { STV090x_P2_F22RX, 0xc0 },
+ { STV090x_P2_DISRXCTL, 0x00 },
+ { STV090x_P2_DMDCFGMD, 0xF9 },
+ { STV090x_P2_DEMOD, 0x08 },
+ { STV090x_P2_DMDCFG3, 0xc4 },
+ { STV090x_P2_CARFREQ, 0xed },
+ { STV090x_P2_LDT, 0xd0 },
+ { STV090x_P2_LDT2, 0xb8 },
+ { STV090x_P2_TMGCFG, 0xd2 },
+ { STV090x_P2_TMGTHRISE, 0x20 },
+ { STV090x_P1_TMGCFG, 0xd2 },
+
+ { STV090x_P2_TMGTHFALL, 0x00 },
+ { STV090x_P2_FECSPY, 0x88 },
+ { STV090x_P2_FSPYDATA, 0x3a },
+ { STV090x_P2_FBERCPT4, 0x00 },
+ { STV090x_P2_FSPYBER, 0x10 },
+ { STV090x_P2_ERRCTRL1, 0x35 },
+ { STV090x_P2_ERRCTRL2, 0xc1 },
+ { STV090x_P2_CFRICFG, 0xf8 },
+ { STV090x_P2_NOSCFG, 0x1c },
+ { STV090x_P2_DMDTOM, 0x20 },
+ { STV090x_P2_CORRELMANT, 0x70 },
+ { STV090x_P2_CORRELABS, 0x88 },
+ { STV090x_P2_AGC2O, 0x5b },
+ { STV090x_P2_AGC2REF, 0x38 },
+ { STV090x_P2_CARCFG, 0xe4 },
+ { STV090x_P2_ACLC, 0x1A },
+ { STV090x_P2_BCLC, 0x09 },
+ { STV090x_P2_CARHDR, 0x08 },
+ { STV090x_P2_KREFTMG, 0xc1 },
+ { STV090x_P2_SFRUPRATIO, 0xf0 },
+ { STV090x_P2_SFRLOWRATIO, 0x70 },
+ { STV090x_P2_SFRSTEP, 0x58 },
+ { STV090x_P2_TMGCFG2, 0x01 },
+ { STV090x_P2_CAR2CFG, 0x26 },
+ { STV090x_P2_BCLC2S2Q, 0x86 },
+ { STV090x_P2_BCLC2S28, 0x86 },
+ { STV090x_P2_SMAPCOEF7, 0x77 },
+ { STV090x_P2_SMAPCOEF6, 0x85 },
+ { STV090x_P2_SMAPCOEF5, 0x77 },
+ { STV090x_P2_TSCFGL, 0x20 },
+ { STV090x_P2_DMDCFG2, 0x3b },
+ { STV090x_P2_MODCODLST0, 0xff },
+ { STV090x_P2_MODCODLST1, 0xff },
+ { STV090x_P2_MODCODLST2, 0xff },
+ { STV090x_P2_MODCODLST3, 0xff },
+ { STV090x_P2_MODCODLST4, 0xff },
+ { STV090x_P2_MODCODLST5, 0xff },
+ { STV090x_P2_MODCODLST6, 0xff },
+ { STV090x_P2_MODCODLST7, 0xcc },
+ { STV090x_P2_MODCODLST8, 0xcc },
+ { STV090x_P2_MODCODLST9, 0xcc },
+ { STV090x_P2_MODCODLSTA, 0xcc },
+ { STV090x_P2_MODCODLSTB, 0xcc },
+ { STV090x_P2_MODCODLSTC, 0xcc },
+ { STV090x_P2_MODCODLSTD, 0xcc },
+ { STV090x_P2_MODCODLSTE, 0xcc },
+ { STV090x_P2_MODCODLSTF, 0xcf },
+ { STV090x_P1_DISTXCTL, 0x22 },
+ { STV090x_P1_F22TX, 0xc0 },
+ { STV090x_P1_F22RX, 0xc0 },
+ { STV090x_P1_DISRXCTL, 0x00 },
+ { STV090x_P1_DMDCFGMD, 0xf9 },
+ { STV090x_P1_DEMOD, 0x08 },
+ { STV090x_P1_DMDCFG3, 0xc4 },
+ { STV090x_P1_DMDTOM, 0x20 },
+ { STV090x_P1_CARFREQ, 0xed },
+ { STV090x_P1_LDT, 0xd0 },
+ { STV090x_P1_LDT2, 0xb8 },
+ { STV090x_P1_TMGCFG, 0xd2 },
+ { STV090x_P1_TMGTHRISE, 0x20 },
+ { STV090x_P1_TMGTHFALL, 0x00 },
+ { STV090x_P1_SFRUPRATIO, 0xf0 },
+ { STV090x_P1_SFRLOWRATIO, 0x70 },
+ { STV090x_P1_TSCFGL, 0x20 },
+ { STV090x_P1_FECSPY, 0x88 },
+ { STV090x_P1_FSPYDATA, 0x3a },
+ { STV090x_P1_FBERCPT4, 0x00 },
+ { STV090x_P1_FSPYBER, 0x10 },
+ { STV090x_P1_ERRCTRL1, 0x35 },
+ { STV090x_P1_ERRCTRL2, 0xc1 },
+ { STV090x_P1_CFRICFG, 0xf8 },
+ { STV090x_P1_NOSCFG, 0x1c },
+ { STV090x_P1_CORRELMANT, 0x70 },
+ { STV090x_P1_CORRELABS, 0x88 },
+ { STV090x_P1_AGC2O, 0x5b },
+ { STV090x_P1_AGC2REF, 0x38 },
+ { STV090x_P1_CARCFG, 0xe4 },
+ { STV090x_P1_ACLC, 0x1A },
+ { STV090x_P1_BCLC, 0x09 },
+ { STV090x_P1_CARHDR, 0x08 },
+ { STV090x_P1_KREFTMG, 0xc1 },
+ { STV090x_P1_SFRSTEP, 0x58 },
+ { STV090x_P1_TMGCFG2, 0x01 },
+ { STV090x_P1_CAR2CFG, 0x26 },
+ { STV090x_P1_BCLC2S2Q, 0x86 },
+ { STV090x_P1_BCLC2S28, 0x86 },
+ { STV090x_P1_SMAPCOEF7, 0x77 },
+ { STV090x_P1_SMAPCOEF6, 0x85 },
+ { STV090x_P1_SMAPCOEF5, 0x77 },
+ { STV090x_P1_DMDCFG2, 0x3b },
+ { STV090x_P1_MODCODLST0, 0xff },
+ { STV090x_P1_MODCODLST1, 0xff },
+ { STV090x_P1_MODCODLST2, 0xff },
+ { STV090x_P1_MODCODLST3, 0xff },
+ { STV090x_P1_MODCODLST4, 0xff },
+ { STV090x_P1_MODCODLST5, 0xff },
+ { STV090x_P1_MODCODLST6, 0xff },
+ { STV090x_P1_MODCODLST7, 0xcc },
+ { STV090x_P1_MODCODLST8, 0xcc },
+ { STV090x_P1_MODCODLST9, 0xcc },
+ { STV090x_P1_MODCODLSTA, 0xcc },
+ { STV090x_P1_MODCODLSTB, 0xcc },
+ { STV090x_P1_MODCODLSTC, 0xcc },
+ { STV090x_P1_MODCODLSTD, 0xcc },
+ { STV090x_P1_MODCODLSTE, 0xcc },
+ { STV090x_P1_MODCODLSTF, 0xcf },
+ { STV090x_GENCFG, 0x1d },
+ { STV090x_NBITER_NF4, 0x37 },
+ { STV090x_NBITER_NF5, 0x29 },
+ { STV090x_NBITER_NF6, 0x37 },
+ { STV090x_NBITER_NF7, 0x33 },
+ { STV090x_NBITER_NF8, 0x31 },
+ { STV090x_NBITER_NF9, 0x2f },
+ { STV090x_NBITER_NF10, 0x39 },
+ { STV090x_NBITER_NF11, 0x3a },
+ { STV090x_NBITER_NF12, 0x29 },
+ { STV090x_NBITER_NF13, 0x37 },
+ { STV090x_NBITER_NF14, 0x33 },
+ { STV090x_NBITER_NF15, 0x2f },
+ { STV090x_NBITER_NF16, 0x39 },
+ { STV090x_NBITER_NF17, 0x3a },
+ { STV090x_NBITERNOERR, 0x04 },
+ { STV090x_GAINLLR_NF4, 0x0C },
+ { STV090x_GAINLLR_NF5, 0x0F },
+ { STV090x_GAINLLR_NF6, 0x11 },
+ { STV090x_GAINLLR_NF7, 0x14 },
+ { STV090x_GAINLLR_NF8, 0x17 },
+ { STV090x_GAINLLR_NF9, 0x19 },
+ { STV090x_GAINLLR_NF10, 0x20 },
+ { STV090x_GAINLLR_NF11, 0x21 },
+ { STV090x_GAINLLR_NF12, 0x0D },
+ { STV090x_GAINLLR_NF13, 0x0F },
+ { STV090x_GAINLLR_NF14, 0x13 },
+ { STV090x_GAINLLR_NF15, 0x1A },
+ { STV090x_GAINLLR_NF16, 0x1F },
+ { STV090x_GAINLLR_NF17, 0x21 },
+ { STV090x_RCCFGH, 0x20 },
+ { STV090x_P1_FECM, 0x01 }, /* disable DSS modes */
+ { STV090x_P2_FECM, 0x01 }, /* disable DSS modes */
+ { STV090x_P1_PRVIT, 0x2F }, /* disable PR 6/7 */
+ { STV090x_P2_PRVIT, 0x2F }, /* disable PR 6/7 */
+};
+
+static struct stv090x_reg stv0903_initval[] = {
+ { STV090x_OUTCFG, 0x00 },
+ { STV090x_AGCRF1CFG, 0x11 },
+ { STV090x_STOPCLK1, 0x48 },
+ { STV090x_STOPCLK2, 0x14 },
+ { STV090x_TSTTNR1, 0x27 },
+ { STV090x_TSTTNR2, 0x21 },
+ { STV090x_P1_DISTXCTL, 0x22 },
+ { STV090x_P1_F22TX, 0xc0 },
+ { STV090x_P1_F22RX, 0xc0 },
+ { STV090x_P1_DISRXCTL, 0x00 },
+ { STV090x_P1_DMDCFGMD, 0xF9 },
+ { STV090x_P1_DEMOD, 0x08 },
+ { STV090x_P1_DMDCFG3, 0xc4 },
+ { STV090x_P1_CARFREQ, 0xed },
+ { STV090x_P1_TNRCFG2, 0x82 },
+ { STV090x_P1_LDT, 0xd0 },
+ { STV090x_P1_LDT2, 0xb8 },
+ { STV090x_P1_TMGCFG, 0xd2 },
+ { STV090x_P1_TMGTHRISE, 0x20 },
+ { STV090x_P1_TMGTHFALL, 0x00 },
+ { STV090x_P1_SFRUPRATIO, 0xf0 },
+ { STV090x_P1_SFRLOWRATIO, 0x70 },
+ { STV090x_P1_TSCFGL, 0x20 },
+ { STV090x_P1_FECSPY, 0x88 },
+ { STV090x_P1_FSPYDATA, 0x3a },
+ { STV090x_P1_FBERCPT4, 0x00 },
+ { STV090x_P1_FSPYBER, 0x10 },
+ { STV090x_P1_ERRCTRL1, 0x35 },
+ { STV090x_P1_ERRCTRL2, 0xc1 },
+ { STV090x_P1_CFRICFG, 0xf8 },
+ { STV090x_P1_NOSCFG, 0x1c },
+ { STV090x_P1_DMDTOM, 0x20 },
+ { STV090x_P1_CORRELMANT, 0x70 },
+ { STV090x_P1_CORRELABS, 0x88 },
+ { STV090x_P1_AGC2O, 0x5b },
+ { STV090x_P1_AGC2REF, 0x38 },
+ { STV090x_P1_CARCFG, 0xe4 },
+ { STV090x_P1_ACLC, 0x1A },
+ { STV090x_P1_BCLC, 0x09 },
+ { STV090x_P1_CARHDR, 0x08 },
+ { STV090x_P1_KREFTMG, 0xc1 },
+ { STV090x_P1_SFRSTEP, 0x58 },
+ { STV090x_P1_TMGCFG2, 0x01 },
+ { STV090x_P1_CAR2CFG, 0x26 },
+ { STV090x_P1_BCLC2S2Q, 0x86 },
+ { STV090x_P1_BCLC2S28, 0x86 },
+ { STV090x_P1_SMAPCOEF7, 0x77 },
+ { STV090x_P1_SMAPCOEF6, 0x85 },
+ { STV090x_P1_SMAPCOEF5, 0x77 },
+ { STV090x_P1_DMDCFG2, 0x3b },
+ { STV090x_P1_MODCODLST0, 0xff },
+ { STV090x_P1_MODCODLST1, 0xff },
+ { STV090x_P1_MODCODLST2, 0xff },
+ { STV090x_P1_MODCODLST3, 0xff },
+ { STV090x_P1_MODCODLST4, 0xff },
+ { STV090x_P1_MODCODLST5, 0xff },
+ { STV090x_P1_MODCODLST6, 0xff },
+ { STV090x_P1_MODCODLST7, 0xcc },
+ { STV090x_P1_MODCODLST8, 0xcc },
+ { STV090x_P1_MODCODLST9, 0xcc },
+ { STV090x_P1_MODCODLSTA, 0xcc },
+ { STV090x_P1_MODCODLSTB, 0xcc },
+ { STV090x_P1_MODCODLSTC, 0xcc },
+ { STV090x_P1_MODCODLSTD, 0xcc },
+ { STV090x_P1_MODCODLSTE, 0xcc },
+ { STV090x_P1_MODCODLSTF, 0xcf },
+ { STV090x_GENCFG, 0x1c },
+ { STV090x_NBITER_NF4, 0x37 },
+ { STV090x_NBITER_NF5, 0x29 },
+ { STV090x_NBITER_NF6, 0x37 },
+ { STV090x_NBITER_NF7, 0x33 },
+ { STV090x_NBITER_NF8, 0x31 },
+ { STV090x_NBITER_NF9, 0x2f },
+ { STV090x_NBITER_NF10, 0x39 },
+ { STV090x_NBITER_NF11, 0x3a },
+ { STV090x_NBITER_NF12, 0x29 },
+ { STV090x_NBITER_NF13, 0x37 },
+ { STV090x_NBITER_NF14, 0x33 },
+ { STV090x_NBITER_NF15, 0x2f },
+ { STV090x_NBITER_NF16, 0x39 },
+ { STV090x_NBITER_NF17, 0x3a },
+ { STV090x_NBITERNOERR, 0x04 },
+ { STV090x_GAINLLR_NF4, 0x0C },
+ { STV090x_GAINLLR_NF5, 0x0F },
+ { STV090x_GAINLLR_NF6, 0x11 },
+ { STV090x_GAINLLR_NF7, 0x14 },
+ { STV090x_GAINLLR_NF8, 0x17 },
+ { STV090x_GAINLLR_NF9, 0x19 },
+ { STV090x_GAINLLR_NF10, 0x20 },
+ { STV090x_GAINLLR_NF11, 0x21 },
+ { STV090x_GAINLLR_NF12, 0x0D },
+ { STV090x_GAINLLR_NF13, 0x0F },
+ { STV090x_GAINLLR_NF14, 0x13 },
+ { STV090x_GAINLLR_NF15, 0x1A },
+ { STV090x_GAINLLR_NF16, 0x1F },
+ { STV090x_GAINLLR_NF17, 0x21 },
+ { STV090x_RCCFGH, 0x20 },
+ { STV090x_P1_FECM, 0x01 }, /*disable the DSS mode */
+ { STV090x_P1_PRVIT, 0x2f } /*disable puncture rate 6/7*/
+};
+
+static struct stv090x_reg stv0900_cut20_val[] = {
+
+ { STV090x_P2_DMDCFG3, 0xe8 },
+ { STV090x_P2_DMDCFG4, 0x10 },
+ { STV090x_P2_CARFREQ, 0x38 },
+ { STV090x_P2_CARHDR, 0x20 },
+ { STV090x_P2_KREFTMG, 0x5a },
+ { STV090x_P2_SMAPCOEF7, 0x06 },
+ { STV090x_P2_SMAPCOEF6, 0x00 },
+ { STV090x_P2_SMAPCOEF5, 0x04 },
+ { STV090x_P2_NOSCFG, 0x0c },
+ { STV090x_P1_DMDCFG3, 0xe8 },
+ { STV090x_P1_DMDCFG4, 0x10 },
+ { STV090x_P1_CARFREQ, 0x38 },
+ { STV090x_P1_CARHDR, 0x20 },
+ { STV090x_P1_KREFTMG, 0x5a },
+ { STV090x_P1_SMAPCOEF7, 0x06 },
+ { STV090x_P1_SMAPCOEF6, 0x00 },
+ { STV090x_P1_SMAPCOEF5, 0x04 },
+ { STV090x_P1_NOSCFG, 0x0c },
+ { STV090x_GAINLLR_NF4, 0x21 },
+ { STV090x_GAINLLR_NF5, 0x21 },
+ { STV090x_GAINLLR_NF6, 0x20 },
+ { STV090x_GAINLLR_NF7, 0x1F },
+ { STV090x_GAINLLR_NF8, 0x1E },
+ { STV090x_GAINLLR_NF9, 0x1E },
+ { STV090x_GAINLLR_NF10, 0x1D },
+ { STV090x_GAINLLR_NF11, 0x1B },
+ { STV090x_GAINLLR_NF12, 0x20 },
+ { STV090x_GAINLLR_NF13, 0x20 },
+ { STV090x_GAINLLR_NF14, 0x20 },
+ { STV090x_GAINLLR_NF15, 0x20 },
+ { STV090x_GAINLLR_NF16, 0x20 },
+ { STV090x_GAINLLR_NF17, 0x21 },
+};
+
+static struct stv090x_reg stv0903_cut20_val[] = {
+ { STV090x_P1_DMDCFG3, 0xe8 },
+ { STV090x_P1_DMDCFG4, 0x10 },
+ { STV090x_P1_CARFREQ, 0x38 },
+ { STV090x_P1_CARHDR, 0x20 },
+ { STV090x_P1_KREFTMG, 0x5a },
+ { STV090x_P1_SMAPCOEF7, 0x06 },
+ { STV090x_P1_SMAPCOEF6, 0x00 },
+ { STV090x_P1_SMAPCOEF5, 0x04 },
+ { STV090x_P1_NOSCFG, 0x0c },
+ { STV090x_GAINLLR_NF4, 0x21 },
+ { STV090x_GAINLLR_NF5, 0x21 },
+ { STV090x_GAINLLR_NF6, 0x20 },
+ { STV090x_GAINLLR_NF7, 0x1F },
+ { STV090x_GAINLLR_NF8, 0x1E },
+ { STV090x_GAINLLR_NF9, 0x1E },
+ { STV090x_GAINLLR_NF10, 0x1D },
+ { STV090x_GAINLLR_NF11, 0x1B },
+ { STV090x_GAINLLR_NF12, 0x20 },
+ { STV090x_GAINLLR_NF13, 0x20 },
+ { STV090x_GAINLLR_NF14, 0x20 },
+ { STV090x_GAINLLR_NF15, 0x20 },
+ { STV090x_GAINLLR_NF16, 0x20 },
+ { STV090x_GAINLLR_NF17, 0x21 }
+};
+
+/* Cut 2.0 Long Frame Tracking CR loop */
+static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[] = {
+ /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
+ { STV090x_QPSK_12, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x1e },
+ { STV090x_QPSK_35, 0x2f, 0x3f, 0x2e, 0x2f, 0x3d, 0x0f, 0x0e, 0x2e, 0x3d, 0x0e },
+ { STV090x_QPSK_23, 0x2f, 0x3f, 0x2e, 0x2f, 0x0e, 0x0f, 0x0e, 0x1e, 0x3d, 0x3d },
+ { STV090x_QPSK_34, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
+ { STV090x_QPSK_45, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
+ { STV090x_QPSK_56, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
+ { STV090x_QPSK_89, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
+ { STV090x_QPSK_910, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
+ { STV090x_8PSK_35, 0x3c, 0x3e, 0x1c, 0x2e, 0x0c, 0x1e, 0x2b, 0x2d, 0x1b, 0x1d },
+ { STV090x_8PSK_23, 0x1d, 0x3e, 0x3c, 0x2e, 0x2c, 0x1e, 0x0c, 0x2d, 0x2b, 0x1d },
+ { STV090x_8PSK_34, 0x0e, 0x3e, 0x3d, 0x2e, 0x0d, 0x1e, 0x2c, 0x2d, 0x0c, 0x1d },
+ { STV090x_8PSK_56, 0x2e, 0x3e, 0x1e, 0x2e, 0x2d, 0x1e, 0x3c, 0x2d, 0x2c, 0x1d },
+ { STV090x_8PSK_89, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x0d, 0x2d, 0x3c, 0x1d },
+ { STV090x_8PSK_910, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x1d, 0x2d, 0x0d, 0x1d }
+};
+
+/* Cut 3.0 Long Frame Tracking CR loop */
+static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[] = {
+ /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
+ { STV090x_QPSK_12, 0x3c, 0x2c, 0x0c, 0x2c, 0x1b, 0x2c, 0x1b, 0x1c, 0x0b, 0x3b },
+ { STV090x_QPSK_35, 0x0d, 0x0d, 0x0c, 0x0d, 0x1b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
+ { STV090x_QPSK_23, 0x1d, 0x0d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
+ { STV090x_QPSK_34, 0x1d, 0x1d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
+ { STV090x_QPSK_45, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
+ { STV090x_QPSK_56, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
+ { STV090x_QPSK_89, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
+ { STV090x_QPSK_910, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
+ { STV090x_8PSK_35, 0x39, 0x29, 0x39, 0x19, 0x19, 0x19, 0x19, 0x19, 0x09, 0x19 },
+ { STV090x_8PSK_23, 0x2a, 0x39, 0x1a, 0x0a, 0x39, 0x0a, 0x29, 0x39, 0x29, 0x0a },
+ { STV090x_8PSK_34, 0x2b, 0x3a, 0x1b, 0x1b, 0x3a, 0x1b, 0x1a, 0x0b, 0x1a, 0x3a },
+ { STV090x_8PSK_56, 0x0c, 0x1b, 0x3b, 0x3b, 0x1b, 0x3b, 0x3a, 0x3b, 0x3a, 0x1b },
+ { STV090x_8PSK_89, 0x0d, 0x3c, 0x2c, 0x2c, 0x2b, 0x0c, 0x0b, 0x3b, 0x0b, 0x1b },
+ { STV090x_8PSK_910, 0x0d, 0x0d, 0x2c, 0x3c, 0x3b, 0x1c, 0x0b, 0x3b, 0x0b, 0x1b }
+};
+
+/* Cut 2.0 Long Frame Tracking CR Loop */
+static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[] = {
+ /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
+ { STV090x_16APSK_23, 0x0c, 0x0c, 0x0c, 0x0c, 0x1d, 0x0c, 0x3c, 0x0c, 0x2c, 0x0c },
+ { STV090x_16APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0e, 0x0c, 0x2d, 0x0c, 0x1d, 0x0c },
+ { STV090x_16APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
+ { STV090x_16APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
+ { STV090x_16APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
+ { STV090x_16APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
+ { STV090x_32APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
+ { STV090x_32APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
+ { STV090x_32APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
+ { STV090x_32APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
+ { STV090x_32APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c }
+};
+
+/* Cut 3.0 Long Frame Tracking CR Loop */
+static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[] = {
+ /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
+ { STV090x_16APSK_23, 0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x0a, 0x3a, 0x0a, 0x2a, 0x0a },
+ { STV090x_16APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0b, 0x0a, 0x3b, 0x0a, 0x1b, 0x0a },
+ { STV090x_16APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
+ { STV090x_16APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
+ { STV090x_16APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
+ { STV090x_16APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
+ { STV090x_32APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
+ { STV090x_32APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
+ { STV090x_32APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
+ { STV090x_32APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
+ { STV090x_32APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a }
+};
+
+static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[] = {
+ /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
+ { STV090x_QPSK_14, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x2d, 0x1f, 0x3d, 0x3e },
+ { STV090x_QPSK_13, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x3d, 0x0f, 0x3d, 0x2e },
+ { STV090x_QPSK_25, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x2e }
+};
+
+static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[] = {
+ /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
+ { STV090x_QPSK_14, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x2a, 0x1c, 0x3a, 0x3b },
+ { STV090x_QPSK_13, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x3a, 0x0c, 0x3a, 0x2b },
+ { STV090x_QPSK_25, 0x1c, 0x3c, 0x1b, 0x3c, 0x3a, 0x1c, 0x3a, 0x3b, 0x3a, 0x2b }
+};
+
+/* Cut 2.0 Short Frame Tracking CR Loop */
+static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[] = {
+ /* MODCOD 2M 5M 10M 20M 30M */
+ { STV090x_QPSK, 0x2f, 0x2e, 0x0e, 0x0e, 0x3d },
+ { STV090x_8PSK, 0x3e, 0x0e, 0x2d, 0x0d, 0x3c },
+ { STV090x_16APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d },
+ { STV090x_32APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d }
+};
+
+/* Cut 3.0 Short Frame Tracking CR Loop */
+static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[] = {
+ /* MODCOD 2M 5M 10M 20M 30M */
+ { STV090x_QPSK, 0x2C, 0x2B, 0x0B, 0x0B, 0x3A },
+ { STV090x_8PSK, 0x3B, 0x0B, 0x2A, 0x0A, 0x39 },
+ { STV090x_16APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A },
+ { STV090x_32APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A }
+};
+
+static inline s32 comp2(s32 __x, s32 __width)
+{
+ if (__width == 32)
+ return __x;
+ else
+ return (__x >= (1 << (__width - 1))) ? (__x - (1 << __width)) : __x;
+}
+
+static int stv090x_read_reg(struct stv090x_state *state, unsigned int reg)
+{
+ const struct stv090x_config *config = state->config;
+ int ret;
+
+ u8 b0[] = { reg >> 8, reg & 0xff };
+ u8 buf;
+
+ struct i2c_msg msg[] = {
+ { .addr = config->address, .flags = 0, .buf = b0, .len = 2 },
+ { .addr = config->address, .flags = I2C_M_RD, .buf = &buf, .len = 1 }
+ };
+
+ ret = i2c_transfer(state->i2c, msg, 2);
+ if (ret != 2) {
+ if (ret != -ERESTARTSYS)
+ dprintk(FE_ERROR, 1,
+ "Read error, Reg=[0x%02x], Status=%d",
+ reg, ret);
+
+ return ret < 0 ? ret : -EREMOTEIO;
+ }
+ if (unlikely(*state->verbose >= FE_DEBUGREG))
+ dprintk(FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
+ reg, buf);
+
+ return (unsigned int) buf;
+}
+
+static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 *data, u32 count)
+{
+ const struct stv090x_config *config = state->config;
+ int ret;
+ u8 buf[MAX_XFER_SIZE];
+ struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
+
+ if (2 + count > sizeof(buf)) {
+ printk(KERN_WARNING
+ "%s: i2c wr reg=%04x: len=%d is too big!\n",
+ KBUILD_MODNAME, reg, count);
+ return -EINVAL;
+ }
+
+ buf[0] = reg >> 8;
+ buf[1] = reg & 0xff;
+ memcpy(&buf[2], data, count);
+
+ if (unlikely(*state->verbose >= FE_DEBUGREG)) {
+ int i;
+
+ printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
+ for (i = 0; i < count; i++)
+ printk(" %02x", data[i]);
+ printk("\n");
+ }
+
+ ret = i2c_transfer(state->i2c, &i2c_msg, 1);
+ if (ret != 1) {
+ if (ret != -ERESTARTSYS)
+ dprintk(FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
+ reg, data[0], count, ret);
+ return ret < 0 ? ret : -EREMOTEIO;
+ }
+
+ return 0;
+}
+
+static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data)
+{
+ return stv090x_write_regs(state, reg, &data, 1);
+}
+
+static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable)
+{
+ u32 reg;
+
+ /*
+ * NOTE! A lock is used as a FSM to control the state in which
+ * access is serialized between two tuners on the same demod.
+ * This has nothing to do with a lock to protect a critical section
+ * which may in some other cases be confused with protecting I/O
+ * access to the demodulator gate.
+ * In case of any error, the lock is unlocked and exit within the
+ * relevant operations themselves.
+ */
+ if (enable) {
+ if (state->config->tuner_i2c_lock)
+ state->config->tuner_i2c_lock(&state->frontend, 1);
+ else
+ mutex_lock(&state->internal->tuner_lock);
+ }
+
+ reg = STV090x_READ_DEMOD(state, I2CRPT);
+ if (enable) {
+ dprintk(FE_DEBUG, 1, "Enable Gate");
+ STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
+ goto err;
+
+ } else {
+ dprintk(FE_DEBUG, 1, "Disable Gate");
+ STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
+ if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
+ goto err;
+ }
+
+ if (!enable) {
+ if (state->config->tuner_i2c_lock)
+ state->config->tuner_i2c_lock(&state->frontend, 0);
+ else
+ mutex_unlock(&state->internal->tuner_lock);
+ }
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ if (state->config->tuner_i2c_lock)
+ state->config->tuner_i2c_lock(&state->frontend, 0);
+ else
+ mutex_unlock(&state->internal->tuner_lock);
+ return -1;
+}
+
+static void stv090x_get_lock_tmg(struct stv090x_state *state)
+{
+ switch (state->algo) {
+ case STV090x_BLIND_SEARCH:
+ dprintk(FE_DEBUG, 1, "Blind Search");
+ if (state->srate <= 1500000) { /*10Msps< SR <=15Msps*/
+ state->DemodTimeout = 1500;
+ state->FecTimeout = 400;
+ } else if (state->srate <= 5000000) { /*10Msps< SR <=15Msps*/
+ state->DemodTimeout = 1000;
+ state->FecTimeout = 300;
+ } else { /*SR >20Msps*/
+ state->DemodTimeout = 700;
+ state->FecTimeout = 100;
+ }
+ break;
+
+ case STV090x_COLD_SEARCH:
+ case STV090x_WARM_SEARCH:
+ default:
+ dprintk(FE_DEBUG, 1, "Normal Search");
+ if (state->srate <= 1000000) { /*SR <=1Msps*/
+ state->DemodTimeout = 4500;
+ state->FecTimeout = 1700;
+ } else if (state->srate <= 2000000) { /*1Msps < SR <= 2Msps */
+ state->DemodTimeout = 2500;
+ state->FecTimeout = 1100;
+ } else if (state->srate <= 5000000) { /*2Msps < SR <= 5Msps */
+ state->DemodTimeout = 1000;
+ state->FecTimeout = 550;
+ } else if (state->srate <= 10000000) { /*5Msps < SR <= 10Msps */
+ state->DemodTimeout = 700;
+ state->FecTimeout = 250;
+ } else if (state->srate <= 20000000) { /*10Msps < SR <= 20Msps */
+ state->DemodTimeout = 400;
+ state->FecTimeout = 130;
+ } else { /*SR >20Msps*/
+ state->DemodTimeout = 300;
+ state->FecTimeout = 100;
+ }
+ break;
+ }
+
+ if (state->algo == STV090x_WARM_SEARCH)
+ state->DemodTimeout /= 2;
+}
+
+static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
+{
+ u32 sym;
+
+ if (srate > 60000000) {
+ sym = (srate << 4); /* SR * 2^16 / master_clk */
+ sym /= (state->internal->mclk >> 12);
+ } else if (srate > 6000000) {
+ sym = (srate << 6);
+ sym /= (state->internal->mclk >> 10);
+ } else {
+ sym = (srate << 9);
+ sym /= (state->internal->mclk >> 7);
+ }
+
+ if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
+{
+ u32 sym;
+
+ srate = 105 * (srate / 100);
+ if (srate > 60000000) {
+ sym = (srate << 4); /* SR * 2^16 / master_clk */
+ sym /= (state->internal->mclk >> 12);
+ } else if (srate > 6000000) {
+ sym = (srate << 6);
+ sym /= (state->internal->mclk >> 10);
+ } else {
+ sym = (srate << 9);
+ sym /= (state->internal->mclk >> 7);
+ }
+
+ if (sym < 0x7fff) {
+ if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0) /* MSB */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0) /* LSB */
+ goto err;
+ } else {
+ if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x7f) < 0) /* MSB */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xff) < 0) /* LSB */
+ goto err;
+ }
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
+{
+ u32 sym;
+
+ srate = 95 * (srate / 100);
+ if (srate > 60000000) {
+ sym = (srate << 4); /* SR * 2^16 / master_clk */
+ sym /= (state->internal->mclk >> 12);
+ } else if (srate > 6000000) {
+ sym = (srate << 6);
+ sym /= (state->internal->mclk >> 10);
+ } else {
+ sym = (srate << 9);
+ sym /= (state->internal->mclk >> 7);
+ }
+
+ if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0x7f)) < 0) /* MSB */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
+ goto err;
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
+{
+ u32 ro;
+
+ switch (rolloff) {
+ case STV090x_RO_20:
+ ro = 20;
+ break;
+ case STV090x_RO_25:
+ ro = 25;
+ break;
+ case STV090x_RO_35:
+ default:
+ ro = 35;
+ break;
+ }
+
+ return srate + (srate * ro) / 100;
+}
+
+static int stv090x_set_vit_thacq(struct stv090x_state *state)
+{
+ if (STV090x_WRITE_DEMOD(state, VTH12, 0x96) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH23, 0x64) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH34, 0x36) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH56, 0x23) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH67, 0x1e) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH78, 0x19) < 0)
+ goto err;
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_set_vit_thtracq(struct stv090x_state *state)
+{
+ if (STV090x_WRITE_DEMOD(state, VTH12, 0xd0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH23, 0x7d) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH34, 0x53) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH56, 0x2f) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH67, 0x24) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VTH78, 0x1f) < 0)
+ goto err;
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_set_viterbi(struct stv090x_state *state)
+{
+ switch (state->search_mode) {
+ case STV090x_SEARCH_AUTO:
+ if (STV090x_WRITE_DEMOD(state, FECM, 0x10) < 0) /* DVB-S and DVB-S2 */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x3f) < 0) /* all puncture rate */
+ goto err;
+ break;
+ case STV090x_SEARCH_DVBS1:
+ if (STV090x_WRITE_DEMOD(state, FECM, 0x00) < 0) /* disable DSS */
+ goto err;
+ switch (state->fec) {
+ case STV090x_PR12:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
+ goto err;
+ break;
+
+ case STV090x_PR23:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
+ goto err;
+ break;
+
+ case STV090x_PR34:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x04) < 0)
+ goto err;
+ break;
+
+ case STV090x_PR56:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x08) < 0)
+ goto err;
+ break;
+
+ case STV090x_PR78:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x20) < 0)
+ goto err;
+ break;
+
+ default:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x2f) < 0) /* all */
+ goto err;
+ break;
+ }
+ break;
+ case STV090x_SEARCH_DSS:
+ if (STV090x_WRITE_DEMOD(state, FECM, 0x80) < 0)
+ goto err;
+ switch (state->fec) {
+ case STV090x_PR12:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
+ goto err;
+ break;
+
+ case STV090x_PR23:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
+ goto err;
+ break;
+
+ case STV090x_PR67:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x10) < 0)
+ goto err;
+ break;
+
+ default:
+ if (STV090x_WRITE_DEMOD(state, PRVIT, 0x13) < 0) /* 1/2, 2/3, 6/7 */
+ goto err;
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_stop_modcod(struct stv090x_state *state)
+{
+ if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xff) < 0)
+ goto err;
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_activate_modcod(struct stv090x_state *state)
+{
+ if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xfc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_activate_modcod_single(struct stv090x_state *state)
+{
+
+ if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xf0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0x0f) < 0)
+ goto err;
+
+ return 0;
+
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_vitclk_ctl(struct stv090x_state *state, int enable)
+{
+ u32 reg;
+
+ switch (state->demod) {
+ case STV090x_DEMODULATOR_0:
+ mutex_lock(&state->internal->demod_lock);
+ reg = stv090x_read_reg(state, STV090x_STOPCLK2);
+ STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, enable);
+ if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
+ goto err;
+ mutex_unlock(&state->internal->demod_lock);
+ break;
+
+ case STV090x_DEMODULATOR_1:
+ mutex_lock(&state->internal->demod_lock);
+ reg = stv090x_read_reg(state, STV090x_STOPCLK2);
+ STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, enable);
+ if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
+ goto err;
+ mutex_unlock(&state->internal->demod_lock);
+ break;
+
+ default:
+ dprintk(FE_ERROR, 1, "Wrong demodulator!");
+ break;
+ }
+ return 0;
+err:
+ mutex_unlock(&state->internal->demod_lock);
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_dvbs_track_crl(struct stv090x_state *state)
+{
+ if (state->internal->dev_ver >= 0x30) {
+ /* Set ACLC BCLC optimised value vs SR */
+ if (state->srate >= 15000000) {
+ if (STV090x_WRITE_DEMOD(state, ACLC, 0x2b) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, BCLC, 0x1a) < 0)
+ goto err;
+ } else if ((state->srate >= 7000000) && (15000000 > state->srate)) {
+ if (STV090x_WRITE_DEMOD(state, ACLC, 0x0c) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, BCLC, 0x1b) < 0)
+ goto err;
+ } else if (state->srate < 7000000) {
+ if (STV090x_WRITE_DEMOD(state, ACLC, 0x2c) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, BCLC, 0x1c) < 0)
+ goto err;
+ }
+
+ } else {
+ /* Cut 2.0 */
+ if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
+ goto err;
+ }
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_delivery_search(struct stv090x_state *state)
+{
+ u32 reg;
+
+ switch (state->search_mode) {
+ case STV090x_SEARCH_DVBS1:
+ case STV090x_SEARCH_DSS:
+ reg = STV090x_READ_DEMOD(state, DMDCFGMD);
+ STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
+ STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+
+ /* Activate Viterbi decoder in legacy search,
+ * do not use FRESVIT1, might impact VITERBI2
+ */
+ if (stv090x_vitclk_ctl(state, 0) < 0)
+ goto err;
+
+ if (stv090x_dvbs_track_crl(state) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
+ goto err;
+
+ if (stv090x_set_vit_thacq(state) < 0)
+ goto err;
+ if (stv090x_set_viterbi(state) < 0)
+ goto err;
+ break;
+
+ case STV090x_SEARCH_DVBS2:
+ reg = STV090x_READ_DEMOD(state, DMDCFGMD);
+ STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
+ STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
+ STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+
+ if (stv090x_vitclk_ctl(state, 1) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0) /* stop DVB-S CR loop */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
+ goto err;
+
+ if (state->internal->dev_ver <= 0x20) {
+ /* enable S2 carrier loop */
+ if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
+ goto err;
+ } else {
+ /* > Cut 3: Stop carrier 3 */
+ if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
+ goto err;
+ }
+
+ if (state->demod_mode != STV090x_SINGLE) {
+ /* Cut 2: enable link during search */
+ if (stv090x_activate_modcod(state) < 0)
+ goto err;
+ } else {
+ /* Single demodulator
+ * Authorize SHORT and LONG frames,
+ * QPSK, 8PSK, 16APSK and 32APSK
+ */
+ if (stv090x_activate_modcod_single(state) < 0)
+ goto err;
+ }
+
+ if (stv090x_set_vit_thtracq(state) < 0)
+ goto err;
+ break;
+
+ case STV090x_SEARCH_AUTO:
+ default:
+ /* enable DVB-S2 and DVB-S2 in Auto MODE */
+ reg = STV090x_READ_DEMOD(state, DMDCFGMD);
+ STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
+ STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
+ STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+
+ if (stv090x_vitclk_ctl(state, 0) < 0)
+ goto err;
+
+ if (stv090x_dvbs_track_crl(state) < 0)
+ goto err;
+
+ if (state->internal->dev_ver <= 0x20) {
+ /* enable S2 carrier loop */
+ if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
+ goto err;
+ } else {
+ /* > Cut 3: Stop carrier 3 */
+ if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
+ goto err;
+ }
+
+ if (state->demod_mode != STV090x_SINGLE) {
+ /* Cut 2: enable link during search */
+ if (stv090x_activate_modcod(state) < 0)
+ goto err;
+ } else {
+ /* Single demodulator
+ * Authorize SHORT and LONG frames,
+ * QPSK, 8PSK, 16APSK and 32APSK
+ */
+ if (stv090x_activate_modcod_single(state) < 0)
+ goto err;
+ }
+
+ if (stv090x_set_vit_thacq(state) < 0)
+ goto err;
+
+ if (stv090x_set_viterbi(state) < 0)
+ goto err;
+ break;
+ }
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_start_search(struct stv090x_state *state)
+{
+ u32 reg, freq_abs;
+ s16 freq;
+
+ /* Reset demodulator */
+ reg = STV090x_READ_DEMOD(state, DMDISTATE);
+ STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f);
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
+ goto err;
+
+ if (state->internal->dev_ver <= 0x20) {
+ if (state->srate <= 5000000) {
+ if (STV090x_WRITE_DEMOD(state, CARCFG, 0x44) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRUP1, 0x0f) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRUP0, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRLOW1, 0xf0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRLOW0, 0x00) < 0)
+ goto err;
+
+ /*enlarge the timing bandwidth for Low SR*/
+ if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0)
+ goto err;
+ } else {
+ /* If the symbol rate is >5 Msps
+ Set The carrier search up and low to auto mode */
+ if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
+ goto err;
+ /*reduce the timing bandwidth for high SR*/
+ if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
+ goto err;
+ }
+ } else {
+ /* >= Cut 3 */
+ if (state->srate <= 5000000) {
+ /* enlarge the timing bandwidth for Low SR */
+ STV090x_WRITE_DEMOD(state, RTCS2, 0x68);
+ } else {
+ /* reduce timing bandwidth for high SR */
+ STV090x_WRITE_DEMOD(state, RTCS2, 0x44);
+ }
+
+ /* Set CFR min and max to manual mode */
+ STV090x_WRITE_DEMOD(state, CARCFG, 0x46);
+
+ if (state->algo == STV090x_WARM_SEARCH) {
+ /* WARM Start
+ * CFR min = -1MHz,
+ * CFR max = +1MHz
+ */
+ freq_abs = 1000 << 16;
+ freq_abs /= (state->internal->mclk / 1000);
+ freq = (s16) freq_abs;
+ } else {
+ /* COLD Start
+ * CFR min =- (SearchRange / 2 + 600KHz)
+ * CFR max = +(SearchRange / 2 + 600KHz)
+ * (600KHz for the tuner step size)
+ */
+ freq_abs = (state->search_range / 2000) + 600;
+ freq_abs = freq_abs << 16;
+ freq_abs /= (state->internal->mclk / 1000);
+ freq = (s16) freq_abs;
+ }
+
+ if (STV090x_WRITE_DEMOD(state, CFRUP1, MSB(freq)) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRUP0, LSB(freq)) < 0)
+ goto err;
+
+ freq *= -1;
+
+ if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
+ goto err;
+
+ }
+
+ if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0) < 0)
+ goto err;
+
+ if (state->internal->dev_ver >= 0x20) {
+ if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
+ goto err;
+
+ if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
+ (state->search_mode == STV090x_SEARCH_DSS) ||
+ (state->search_mode == STV090x_SEARCH_AUTO)) {
+
+ if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0)
+ goto err;
+ }
+ }
+
+ if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xe0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xc0) < 0)
+ goto err;
+
+ reg = STV090x_READ_DEMOD(state, DMDCFGMD);
+ STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
+ STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+ reg = STV090x_READ_DEMOD(state, DMDCFG2);
+ STV090x_SETFIELD_Px(reg, S1S2_SEQUENTIAL_FIELD, 0x0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFG2, reg) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0)
+ goto err;
+
+ if (state->internal->dev_ver >= 0x20) {
+ /*Frequency offset detector setting*/
+ if (state->srate < 2000000) {
+ if (state->internal->dev_ver <= 0x20) {
+ /* Cut 2 */
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x39) < 0)
+ goto err;
+ } else {
+ /* Cut 3 */
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x89) < 0)
+ goto err;
+ }
+ if (STV090x_WRITE_DEMOD(state, CARHDR, 0x40) < 0)
+ goto err;
+ } else if (state->srate < 10000000) {
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4c) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
+ goto err;
+ } else {
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4b) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
+ goto err;
+ }
+ } else {
+ if (state->srate < 10000000) {
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xef) < 0)
+ goto err;
+ } else {
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xed) < 0)
+ goto err;
+ }
+ }
+
+ switch (state->algo) {
+ case STV090x_WARM_SEARCH:
+ /* The symbol rate and the exact
+ * carrier Frequency are known
+ */
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
+ goto err;
+ break;
+
+ case STV090x_COLD_SEARCH:
+ /* The symbol rate is known */
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
+ goto err;
+ break;
+
+ default:
+ break;
+ }
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_get_agc2_min_level(struct stv090x_state *state)
+{
+ u32 agc2_min = 0xffff, agc2 = 0, freq_init, freq_step, reg;
+ s32 i, j, steps, dir;
+
+ if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
+ goto err;
+ reg = STV090x_READ_DEMOD(state, DMDCFGMD);
+ STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
+ STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0) /* SR = 65 Msps Max */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0) /* SR= 400 ksps Min */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0) /* stop acq @ coarse carrier state */
+ goto err;
+ if (stv090x_set_srate(state, 1000000) < 0)
+ goto err;
+
+ steps = state->search_range / 1000000;
+ if (steps <= 0)
+ steps = 1;
+
+ dir = 1;
+ freq_step = (1000000 * 256) / (state->internal->mclk / 256);
+ freq_init = 0;
+
+ for (i = 0; i < steps; i++) {
+ if (dir > 0)
+ freq_init = freq_init + (freq_step * i);
+ else
+ freq_init = freq_init - (freq_step * i);
+
+ dir *= -1;
+
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod RESET */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_init >> 8) & 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_init & 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x58) < 0) /* Demod RESET */
+ goto err;
+ msleep(10);
+
+ agc2 = 0;
+ for (j = 0; j < 10; j++) {
+ agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
+ STV090x_READ_DEMOD(state, AGC2I0);
+ }
+ agc2 /= 10;
+ if (agc2 < agc2_min)
+ agc2_min = agc2;
+ }
+
+ return agc2_min;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
+{
+ u8 r3, r2, r1, r0;
+ s32 srate, int_1, int_2, tmp_1, tmp_2;
+
+ r3 = STV090x_READ_DEMOD(state, SFR3);
+ r2 = STV090x_READ_DEMOD(state, SFR2);
+ r1 = STV090x_READ_DEMOD(state, SFR1);
+ r0 = STV090x_READ_DEMOD(state, SFR0);
+
+ srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
+
+ int_1 = clk >> 16;
+ int_2 = srate >> 16;
+
+ tmp_1 = clk % 0x10000;
+ tmp_2 = srate % 0x10000;
+
+ srate = (int_1 * int_2) +
+ ((int_1 * tmp_2) >> 16) +
+ ((int_2 * tmp_1) >> 16);
+
+ return srate;
+}
+
+static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
+{
+ struct dvb_frontend *fe = &state->frontend;
+
+ int tmg_lock = 0, i;
+ s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
+ u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
+ u32 agc2th;
+
+ if (state->internal->dev_ver >= 0x30)
+ agc2th = 0x2e00;
+ else
+ agc2th = 0x1f00;
+
+ reg = STV090x_READ_DEMOD(state, DMDISTATE);
+ STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
+ goto err;
+ reg = STV090x_READ_DEMOD(state, DMDCFGMD);
+ STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
+ STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x50) < 0)
+ goto err;
+
+ if (state->internal->dev_ver >= 0x30) {
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x98) < 0)
+ goto err;
+
+ } else if (state->internal->dev_ver >= 0x20) {
+ if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
+ goto err;
+ }
+
+ if (state->srate <= 2000000)
+ car_step = 1000;
+ else if (state->srate <= 5000000)
+ car_step = 2000;
+ else if (state->srate <= 12000000)
+ car_step = 3000;
+ else
+ car_step = 5000;
+
+ steps = -1 + ((state->search_range / 1000) / car_step);
+ steps /= 2;
+ steps = (2 * steps) + 1;
+ if (steps < 0)
+ steps = 1;
+ else if (steps > 10) {
+ steps = 11;
+ car_step = (state->search_range / 1000) / 10;
+ }
+ cur_step = 0;
+ dir = 1;
+ freq = state->frequency;
+
+ while ((!tmg_lock) && (cur_step < steps)) {
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRINIT1, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, SFRINIT0, 0x00) < 0)
+ goto err;
+ /* trigger acquisition */
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x40) < 0)
+ goto err;
+ msleep(50);
+ for (i = 0; i < 10; i++) {
+ reg = STV090x_READ_DEMOD(state, DSTATUS);
+ if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
+ tmg_cpt++;
+ agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
+ STV090x_READ_DEMOD(state, AGC2I0);
+ }
+ agc2 /= 10;
+ srate_coarse = stv090x_get_srate(state, state->internal->mclk);
+ cur_step++;
+ dir *= -1;
+ if ((tmg_cpt >= 5) && (agc2 < agc2th) &&
+ (srate_coarse < 50000000) && (srate_coarse > 850000))
+ tmg_lock = 1;
+ else if (cur_step < steps) {
+ if (dir > 0)
+ freq += cur_step * car_step;
+ else
+ freq -= cur_step * car_step;
+
+ /* Setup tuner */
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (state->config->tuner_set_frequency) {
+ if (state->config->tuner_set_frequency(fe, freq) < 0)
+ goto err_gateoff;
+ }
+
+ if (state->config->tuner_set_bandwidth) {
+ if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
+ goto err_gateoff;
+ }
+
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
+
+ msleep(50);
+
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (state->config->tuner_get_status) {
+ if (state->config->tuner_get_status(fe, ®) < 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_mis(struct stv090x_state *state, int mis)
+{
+ u32 reg;
+
+ if (mis < 0 || mis > 255) {
+ dprintk(FE_DEBUG, 1, "Disable MIS filtering");
+ reg = STV090x_READ_DEMOD(state, PDELCTRL1);
+ STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x00);
+ if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
+ goto err;
+ } else {
+ dprintk(FE_DEBUG, 1, "Enable MIS filtering - %d", mis);
+ reg = STV090x_READ_DEMOD(state, PDELCTRL1);
+ STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x01);
+ if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, ISIENTRY, mis) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, ISIBITENA, 0xff) < 0)
+ goto err;
+ }
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static enum dvbfe_search stv090x_search(struct dvb_frontend *fe)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *props = &fe->dtv_property_cache;
+
+ if (props->frequency == 0)
+ return DVBFE_ALGO_SEARCH_INVALID;
+
+ switch (props->delivery_system) {
+ case SYS_DSS:
+ state->delsys = STV090x_DSS;
+ break;
+ case SYS_DVBS:
+ state->delsys = STV090x_DVBS1;
+ break;
+ case SYS_DVBS2:
+ state->delsys = STV090x_DVBS2;
+ break;
+ default:
+ return DVBFE_ALGO_SEARCH_INVALID;
+ }
+
+ state->frequency = props->frequency;
+ state->srate = props->symbol_rate;
+ state->search_mode = STV090x_SEARCH_AUTO;
+ state->algo = STV090x_COLD_SEARCH;
+ state->fec = STV090x_PRERR;
+ if (state->srate > 10000000) {
+ dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
+ state->search_range = 10000000;
+ } else {
+ dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
+ state->search_range = 5000000;
+ }
+
+ stv090x_set_mis(state, props->stream_id);
+
+ if (stv090x_algo(state) == STV090x_RANGEOK) {
+ dprintk(FE_DEBUG, 1, "Search success!");
+ return DVBFE_ALGO_SEARCH_SUCCESS;
+ } else {
+ dprintk(FE_DEBUG, 1, "Search failed!");
+ return DVBFE_ALGO_SEARCH_FAILED;
+ }
+
+ return DVBFE_ALGO_SEARCH_ERROR;
+}
+
+static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg, dstatus;
+ u8 search_state;
+
+ *status = 0;
+
+ dstatus = STV090x_READ_DEMOD(state, DSTATUS);
+ if (STV090x_GETFIELD_Px(dstatus, CAR_LOCK_FIELD))
+ *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
+
+ reg = STV090x_READ_DEMOD(state, DMDSTATE);
+ search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
+
+ switch (search_state) {
+ case 0: /* searching */
+ case 1: /* first PLH detected */
+ default:
+ dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
+ break;
+
+ case 2: /* DVB-S2 mode */
+ dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
+ if (STV090x_GETFIELD_Px(dstatus, LOCK_DEFINITIF_FIELD)) {
+ reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
+ if (STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD)) {
+ *status |= FE_HAS_VITERBI;
+ reg = STV090x_READ_DEMOD(state, TSSTATUS);
+ if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD))
+ *status |= FE_HAS_SYNC | FE_HAS_LOCK;
+ }
+ }
+ break;
+
+ case 3: /* DVB-S1/legacy mode */
+ dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
+ if (STV090x_GETFIELD_Px(dstatus, LOCK_DEFINITIF_FIELD)) {
+ reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
+ if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
+ *status |= FE_HAS_VITERBI;
+ reg = STV090x_READ_DEMOD(state, TSSTATUS);
+ if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD))
+ *status |= FE_HAS_SYNC | FE_HAS_LOCK;
+ }
+ }
+ break;
+ }
+
+ return 0;
+}
+
+static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+
+ s32 count_4, count_3, count_2, count_1, count_0, count;
+ u32 reg, h, m, l;
+ enum fe_status status;
+
+ stv090x_read_status(fe, &status);
+ if (!(status & FE_HAS_LOCK)) {
+ *per = 1 << 23; /* Max PER */
+ } else {
+ /* Counter 2 */
+ reg = STV090x_READ_DEMOD(state, ERRCNT22);
+ h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
+
+ reg = STV090x_READ_DEMOD(state, ERRCNT21);
+ m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
+
+ reg = STV090x_READ_DEMOD(state, ERRCNT20);
+ l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
+
+ *per = ((h << 16) | (m << 8) | l);
+
+ count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
+ count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
+ count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
+ count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
+ count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
+
+ if ((!count_4) && (!count_3)) {
+ count = (count_2 & 0xff) << 16;
+ count |= (count_1 & 0xff) << 8;
+ count |= count_0 & 0xff;
+ } else {
+ count = 1 << 24;
+ }
+ if (count == 0)
+ *per = 1;
+ }
+ if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
+{
+ int res = 0;
+ int min = 0, med;
+
+ if ((val >= tab[min].read && val < tab[max].read) ||
+ (val >= tab[max].read && val < tab[min].read)) {
+ while ((max - min) > 1) {
+ med = (max + min) / 2;
+ if ((val >= tab[min].read && val < tab[med].read) ||
+ (val >= tab[med].read && val < tab[min].read))
+ max = med;
+ else
+ min = med;
+ }
+ res = ((val - tab[min].read) *
+ (tab[max].real - tab[min].real) /
+ (tab[max].read - tab[min].read)) +
+ tab[min].real;
+ } else {
+ if (tab[min].read < tab[max].read) {
+ if (val < tab[min].read)
+ res = tab[min].real;
+ else if (val >= tab[max].read)
+ res = tab[max].real;
+ } else {
+ if (val >= tab[min].read)
+ res = tab[min].real;
+ else if (val < tab[max].read)
+ res = tab[max].real;
+ }
+ }
+
+ return res;
+}
+
+static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg;
+ s32 agc_0, agc_1, agc;
+ s32 str;
+
+ reg = STV090x_READ_DEMOD(state, AGCIQIN1);
+ agc_1 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
+ reg = STV090x_READ_DEMOD(state, AGCIQIN0);
+ agc_0 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
+ agc = MAKEWORD16(agc_1, agc_0);
+
+ str = stv090x_table_lookup(stv090x_rf_tab,
+ ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
+ if (agc > stv090x_rf_tab[0].read)
+ str = 0;
+ else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
+ str = -100;
+ *strength = (str + 100) * 0xFFFF / 100;
+
+ return 0;
+}
+
+static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg_0, reg_1, reg, i;
+ s32 val_0, val_1, val = 0;
+ u8 lock_f;
+ s32 div;
+ u32 last;
+
+ switch (state->delsys) {
+ case STV090x_DVBS2:
+ reg = STV090x_READ_DEMOD(state, DSTATUS);
+ lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
+ if (lock_f) {
+ msleep(5);
+ for (i = 0; i < 16; i++) {
+ reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
+ val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
+ reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
+ val_0 = STV090x_GETFIELD_Px(reg_0, NOSPLHT_NORMED_FIELD);
+ val += MAKEWORD16(val_1, val_0);
+ msleep(1);
+ }
+ val /= 16;
+ last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
+ div = stv090x_s2cn_tab[0].read -
+ stv090x_s2cn_tab[last].read;
+ *cnr = 0xFFFF - ((val * 0xFFFF) / div);
+ }
+ break;
+
+ case STV090x_DVBS1:
+ case STV090x_DSS:
+ reg = STV090x_READ_DEMOD(state, DSTATUS);
+ lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
+ if (lock_f) {
+ msleep(5);
+ for (i = 0; i < 16; i++) {
+ reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
+ val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
+ reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
+ val_0 = STV090x_GETFIELD_Px(reg_0, NOSDATAT_UNNORMED_FIELD);
+ val += MAKEWORD16(val_1, val_0);
+ msleep(1);
+ }
+ val /= 16;
+ last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
+ div = stv090x_s1cn_tab[0].read -
+ stv090x_s1cn_tab[last].read;
+ *cnr = 0xFFFF - ((val * 0xFFFF) / div);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg;
+
+ reg = STV090x_READ_DEMOD(state, DISTXCTL);
+ switch (tone) {
+ case SEC_TONE_ON:
+ STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+ break;
+
+ case SEC_TONE_OFF:
+ STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+
+static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
+{
+ return DVBFE_ALGO_CUSTOM;
+}
+
+static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg, idle = 0, fifo_full = 1;
+ int i;
+
+ reg = STV090x_READ_DEMOD(state, DISTXCTL);
+
+ STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD,
+ (state->config->diseqc_envelope_mode) ? 4 : 2);
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+
+ STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+
+ for (i = 0; i < cmd->msg_len; i++) {
+
+ while (fifo_full) {
+ reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
+ fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
+ }
+
+ if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
+ goto err;
+ }
+ reg = STV090x_READ_DEMOD(state, DISTXCTL);
+ STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+
+ i = 0;
+
+ while ((!idle) && (i < 10)) {
+ reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
+ idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
+ msleep(10);
+ i++;
+ }
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg, idle = 0, fifo_full = 1;
+ u8 mode, value;
+ int i;
+
+ reg = STV090x_READ_DEMOD(state, DISTXCTL);
+
+ if (burst == SEC_MINI_A) {
+ mode = (state->config->diseqc_envelope_mode) ? 5 : 3;
+ value = 0x00;
+ } else {
+ mode = (state->config->diseqc_envelope_mode) ? 4 : 2;
+ value = 0xFF;
+ }
+
+ STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+
+ STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+
+ while (fifo_full) {
+ reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
+ fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
+ }
+
+ if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
+ goto err;
+
+ reg = STV090x_READ_DEMOD(state, DISTXCTL);
+ STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
+ if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
+ goto err;
+
+ i = 0;
+
+ while ((!idle) && (i < 10)) {
+ reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
+ idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
+ msleep(10);
+ i++;
+ }
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg = 0, i = 0, rx_end = 0;
+
+ while ((rx_end != 1) && (i < 10)) {
+ msleep(10);
+ i++;
+ reg = STV090x_READ_DEMOD(state, DISRX_ST0);
+ rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
+ }
+
+ if (rx_end) {
+ reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
+ for (i = 0; i < reply->msg_len; i++)
+ reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
+ }
+
+ return 0;
+}
+
+static int stv090x_sleep(struct dvb_frontend *fe)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg;
+ u8 full_standby = 0;
+
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (state->config->tuner_sleep) {
+ if (state->config->tuner_sleep(fe) < 0)
+ goto err_gateoff;
+ }
+
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
+
+ dprintk(FE_DEBUG, 1, "Set %s(%d) to sleep",
+ state->device == STV0900 ? "STV0900" : "STV0903",
+ state->demod);
+
+ mutex_lock(&state->internal->demod_lock);
+
+ switch (state->demod) {
+ case STV090x_DEMODULATOR_0:
+ /* power off ADC 1 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR1);
+ STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
+ goto err_unlock;
+ /* power off DiSEqC 1 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR2);
+ STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
+ goto err_unlock;
+
+ /* check whether path 2 is already sleeping, that is when
+ ADC2 is off */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR3);
+ if (STV090x_GETFIELD(reg, ADC2_PON_FIELD) == 0)
+ full_standby = 1;
+
+ /* stop clocks */
+ reg = stv090x_read_reg(state, STV090x_STOPCLK1);
+ /* packet delineator 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKPKDT1_FIELD, 1);
+ /* ADC 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKADCI1_FIELD, 1);
+ /* FEC clock is shared between the two paths, only stop it
+ when full standby is possible */
+ if (full_standby)
+ STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
+ goto err_unlock;
+ reg = stv090x_read_reg(state, STV090x_STOPCLK2);
+ /* sampling 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 1);
+ /* viterbi 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, 1);
+ /* TS clock is shared between the two paths, only stop it
+ when full standby is possible */
+ if (full_standby)
+ STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
+ goto err_unlock;
+ break;
+
+ case STV090x_DEMODULATOR_1:
+ /* power off ADC 2 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR3);
+ STV090x_SETFIELD(reg, ADC2_PON_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
+ goto err_unlock;
+ /* power off DiSEqC 2 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR4);
+ STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
+ goto err_unlock;
+
+ /* check whether path 1 is already sleeping, that is when
+ ADC1 is off */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR1);
+ if (STV090x_GETFIELD(reg, ADC1_PON_FIELD) == 0)
+ full_standby = 1;
+
+ /* stop clocks */
+ reg = stv090x_read_reg(state, STV090x_STOPCLK1);
+ /* packet delineator 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKPKDT2_FIELD, 1);
+ /* ADC 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKADCI2_FIELD, 1);
+ /* FEC clock is shared between the two paths, only stop it
+ when full standby is possible */
+ if (full_standby)
+ STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
+ goto err_unlock;
+ reg = stv090x_read_reg(state, STV090x_STOPCLK2);
+ /* sampling 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 1);
+ /* viterbi 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, 1);
+ /* TS clock is shared between the two paths, only stop it
+ when full standby is possible */
+ if (full_standby)
+ STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
+ goto err_unlock;
+ break;
+
+ default:
+ dprintk(FE_ERROR, 1, "Wrong demodulator!");
+ break;
+ }
+
+ if (full_standby) {
+ /* general power off */
+ reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
+ STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
+ goto err_unlock;
+ }
+
+ mutex_unlock(&state->internal->demod_lock);
+ return 0;
+
+err_gateoff:
+ stv090x_i2c_gate_ctrl(state, 0);
+ goto err;
+err_unlock:
+ mutex_unlock(&state->internal->demod_lock);
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_wakeup(struct dvb_frontend *fe)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u32 reg;
+
+ dprintk(FE_DEBUG, 1, "Wake %s(%d) from standby",
+ state->device == STV0900 ? "STV0900" : "STV0903",
+ state->demod);
+
+ mutex_lock(&state->internal->demod_lock);
+
+ /* general power on */
+ reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
+ STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
+ goto err;
+
+ switch (state->demod) {
+ case STV090x_DEMODULATOR_0:
+ /* power on ADC 1 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR1);
+ STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
+ goto err;
+ /* power on DiSEqC 1 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR2);
+ STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
+ goto err;
+
+ /* activate clocks */
+ reg = stv090x_read_reg(state, STV090x_STOPCLK1);
+ /* packet delineator 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKPKDT1_FIELD, 0);
+ /* ADC 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKADCI1_FIELD, 0);
+ /* FEC clock */
+ STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
+ goto err;
+ reg = stv090x_read_reg(state, STV090x_STOPCLK2);
+ /* sampling 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 0);
+ /* viterbi 1 clock */
+ STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, 0);
+ /* TS clock */
+ STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_DEMODULATOR_1:
+ /* power on ADC 2 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR3);
+ STV090x_SETFIELD(reg, ADC2_PON_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
+ goto err;
+ /* power on DiSEqC 2 */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR4);
+ STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
+ goto err;
+
+ /* activate clocks */
+ reg = stv090x_read_reg(state, STV090x_STOPCLK1);
+ /* packet delineator 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKPKDT2_FIELD, 0);
+ /* ADC 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKADCI2_FIELD, 0);
+ /* FEC clock */
+ STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
+ goto err;
+ reg = stv090x_read_reg(state, STV090x_STOPCLK2);
+ /* sampling 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 0);
+ /* viterbi 2 clock */
+ STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, 0);
+ /* TS clock */
+ STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
+ goto err;
+ break;
+
+ default:
+ dprintk(FE_ERROR, 1, "Wrong demodulator!");
+ break;
+ }
+
+ mutex_unlock(&state->internal->demod_lock);
+ return 0;
+err:
+ mutex_unlock(&state->internal->demod_lock);
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static void stv090x_release(struct dvb_frontend *fe)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+
+ state->internal->num_used--;
+ if (state->internal->num_used <= 0) {
+
+ dprintk(FE_ERROR, 1, "Actually removing");
+
+ remove_dev(state->internal);
+ kfree(state->internal);
+ }
+
+ kfree(state);
+}
+
+static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
+{
+ u32 reg = 0;
+
+ reg = stv090x_read_reg(state, STV090x_GENCFG);
+
+ switch (ldpc_mode) {
+ case STV090x_DUAL:
+ default:
+ if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
+ /* set LDPC to dual mode */
+ if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
+ goto err;
+
+ state->demod_mode = STV090x_DUAL;
+
+ reg = stv090x_read_reg(state, STV090x_TSTRES0);
+ STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
+ if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
+ goto err;
+ STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
+ if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
+ goto err;
+
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
+ goto err;
+ }
+ break;
+
+ case STV090x_SINGLE:
+ if (stv090x_stop_modcod(state) < 0)
+ goto err;
+ if (stv090x_activate_modcod_single(state) < 0)
+ goto err;
+
+ if (state->demod == STV090x_DEMODULATOR_1) {
+ if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
+ goto err;
+ } else {
+ if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
+ goto err;
+ }
+
+ reg = stv090x_read_reg(state, STV090x_TSTRES0);
+ STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
+ if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
+ goto err;
+ STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
+ if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
+ goto err;
+
+ reg = STV090x_READ_DEMOD(state, PDELCTRL1);
+ STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
+ if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
+ if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
+ goto err;
+ break;
+ }
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+/* return (Hz), clk in Hz*/
+static u32 stv090x_get_mclk(struct stv090x_state *state)
+{
+ const struct stv090x_config *config = state->config;
+ u32 div, reg;
+ u8 ratio;
+
+ div = stv090x_read_reg(state, STV090x_NCOARSE);
+ reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
+ ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
+
+ return (div + 1) * config->xtal / ratio; /* kHz */
+}
+
+static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
+{
+ const struct stv090x_config *config = state->config;
+ u32 reg, div, clk_sel;
+
+ reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
+ clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
+
+ div = ((clk_sel * mclk) / config->xtal) - 1;
+
+ reg = stv090x_read_reg(state, STV090x_NCOARSE);
+ STV090x_SETFIELD(reg, M_DIV_FIELD, div);
+ if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
+ goto err;
+
+ state->internal->mclk = stv090x_get_mclk(state);
+
+ /*Set the DiseqC frequency to 22KHz */
+ div = state->internal->mclk / 704000;
+ if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv0900_set_tspath(struct stv090x_state *state)
+{
+ u32 reg;
+
+ if (state->internal->dev_ver >= 0x20) {
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ switch (state->config->ts2_mode) {
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
+ break;
+
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
+ goto err;
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
+ goto err;
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
+ goto err;
+ break;
+ }
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ switch (state->config->ts2_mode) {
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
+ goto err;
+ break;
+ }
+ break;
+ }
+ } else {
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ switch (state->config->ts2_mode) {
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
+ break;
+
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
+ goto err;
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
+ goto err;
+ break;
+ }
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ switch (state->config->ts2_mode) {
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
+ break;
+
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
+ break;
+ }
+ break;
+ }
+ }
+
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_DVBCI:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ default:
+ break;
+ }
+
+ switch (state->config->ts2_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_DVBCI:
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ default:
+ break;
+ }
+
+ if (state->config->ts1_clk > 0) {
+ u32 speed;
+
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ default:
+ speed = state->internal->mclk /
+ (state->config->ts1_clk / 4);
+ if (speed < 0x08)
+ speed = 0x08;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ speed = state->internal->mclk /
+ (state->config->ts1_clk / 32);
+ if (speed < 0x20)
+ speed = 0x20;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ }
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
+ goto err;
+ }
+
+ if (state->config->ts2_clk > 0) {
+ u32 speed;
+
+ switch (state->config->ts2_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ default:
+ speed = state->internal->mclk /
+ (state->config->ts2_clk / 4);
+ if (speed < 0x08)
+ speed = 0x08;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ speed = state->internal->mclk /
+ (state->config->ts2_clk / 32);
+ if (speed < 0x20)
+ speed = 0x20;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ }
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P2_TSSPEED, speed) < 0)
+ goto err;
+ }
+
+ reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
+ goto err;
+
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv0903_set_tspath(struct stv090x_state *state)
+{
+ u32 reg;
+
+ if (state->internal->dev_ver >= 0x20) {
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c);
+ break;
+ }
+ } else {
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
+ break;
+ }
+ }
+
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_DVBCI:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ default:
+ break;
+ }
+
+ if (state->config->ts1_clk > 0) {
+ u32 speed;
+
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ default:
+ speed = state->internal->mclk /
+ (state->config->ts1_clk / 4);
+ if (speed < 0x08)
+ speed = 0x08;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ speed = state->internal->mclk /
+ (state->config->ts1_clk / 32);
+ if (speed < 0x20)
+ speed = 0x20;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ }
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
+ goto err;
+ }
+
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_init(struct dvb_frontend *fe)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ const struct stv090x_config *config = state->config;
+ u32 reg;
+
+ if (state->internal->mclk == 0) {
+ /* call tuner init to configure the tuner's clock output
+ divider directly before setting up the master clock of
+ the stv090x. */
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (config->tuner_init) {
+ if (config->tuner_init(fe) < 0)
+ goto err_gateoff;
+ }
+
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
+
+ stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
+ msleep(5);
+ if (stv090x_write_reg(state, STV090x_SYNTCTRL,
+ 0x20 | config->clk_mode) < 0)
+ goto err;
+ stv090x_get_mclk(state);
+ }
+
+ if (stv090x_wakeup(fe) < 0) {
+ dprintk(FE_ERROR, 1, "Error waking device");
+ goto err;
+ }
+
+ if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
+ goto err;
+
+ reg = STV090x_READ_DEMOD(state, TNRCFG2);
+ STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
+ if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
+ goto err;
+ reg = STV090x_READ_DEMOD(state, DEMOD);
+ STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
+ if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
+ goto err;
+
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (config->tuner_set_mode) {
+ if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
+ goto err_gateoff;
+ }
+
+ if (config->tuner_init) {
+ if (config->tuner_init(fe) < 0)
+ goto err_gateoff;
+ }
+
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
+
+ if (state->device == STV0900) {
+ if (stv0900_set_tspath(state) < 0)
+ goto err;
+ } else {
+ if (stv0903_set_tspath(state) < 0)
+ goto err;
+ }
+
+ return 0;
+
+err_gateoff:
+ stv090x_i2c_gate_ctrl(state, 0);
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_setup(struct dvb_frontend *fe)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ const struct stv090x_config *config = state->config;
+ const struct stv090x_reg *stv090x_initval = NULL;
+ const struct stv090x_reg *stv090x_cut20_val = NULL;
+ unsigned long t1_size = 0, t2_size = 0;
+ u32 reg = 0;
+
+ int i;
+
+ if (state->device == STV0900) {
+ dprintk(FE_DEBUG, 1, "Initializing STV0900");
+ stv090x_initval = stv0900_initval;
+ t1_size = ARRAY_SIZE(stv0900_initval);
+ stv090x_cut20_val = stv0900_cut20_val;
+ t2_size = ARRAY_SIZE(stv0900_cut20_val);
+ } else if (state->device == STV0903) {
+ dprintk(FE_DEBUG, 1, "Initializing STV0903");
+ stv090x_initval = stv0903_initval;
+ t1_size = ARRAY_SIZE(stv0903_initval);
+ stv090x_cut20_val = stv0903_cut20_val;
+ t2_size = ARRAY_SIZE(stv0903_cut20_val);
+ }
+
+ /* STV090x init */
+
+ /* Stop Demod */
+ if (stv090x_write_reg(state, STV090x_P1_DMDISTATE, 0x5c) < 0)
+ goto err;
+ if (state->device == STV0900)
+ if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
+ goto err;
+
+ msleep(5);
+
+ /* Set No Tuner Mode */
+ if (stv090x_write_reg(state, STV090x_P1_TNRCFG, 0x6c) < 0)
+ goto err;
+ if (state->device == STV0900)
+ if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
+ goto err;
+
+ /* I2C repeater OFF */
+ STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
+ if (stv090x_write_reg(state, STV090x_P1_I2CRPT, reg) < 0)
+ goto err;
+ if (state->device == STV0900)
+ if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
+ goto err;
+
+ if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
+ goto err;
+ msleep(5);
+ if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
+ goto err;
+ if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
+ goto err;
+ msleep(5);
+
+ /* write initval */
+ dprintk(FE_DEBUG, 1, "Setting up initial values");
+ for (i = 0; i < t1_size; i++) {
+ if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
+ goto err;
+ }
+
+ state->internal->dev_ver = stv090x_read_reg(state, STV090x_MID);
+ if (state->internal->dev_ver >= 0x20) {
+ if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
+ goto err;
+
+ /* write cut20_val*/
+ dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
+ for (i = 0; i < t2_size; i++) {
+ if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
+ goto err;
+ }
+
+ } else if (state->internal->dev_ver < 0x20) {
+ dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
+ state->internal->dev_ver);
+
+ goto err;
+ } else if (state->internal->dev_ver > 0x30) {
+ /* we shouldn't bail out from here */
+ dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
+ state->internal->dev_ver);
+ }
+
+ /* ADC1 range */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR1);
+ STV090x_SETFIELD(reg, ADC1_INMODE_FIELD,
+ (config->adc1_range == STV090x_ADC_1Vpp) ? 0 : 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
+ goto err;
+
+ /* ADC2 range */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR3);
+ STV090x_SETFIELD(reg, ADC2_INMODE_FIELD,
+ (config->adc2_range == STV090x_ADC_1Vpp) ? 0 : 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
+ goto err;
+
+ if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
+static int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir,
+ u8 value, u8 xor_value)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+ u8 reg = 0;
+
+ STV090x_SETFIELD(reg, GPIOx_OPD_FIELD, dir);
+ STV090x_SETFIELD(reg, GPIOx_CONFIG_FIELD, value);
+ STV090x_SETFIELD(reg, GPIOx_XOR_FIELD, xor_value);
+
+ return stv090x_write_reg(state, STV090x_GPIOxCFG(gpio), reg);
+}
+
+static struct dvb_frontend_ops stv090x_ops = {
+ .delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
+ .info = {
+ .name = "STV090x Multistandard",
+ .frequency_min = 950000,
+ .frequency_max = 2150000,
+ .frequency_stepsize = 0,
+ .frequency_tolerance = 0,
+ .symbol_rate_min = 1000000,
+ .symbol_rate_max = 45000000,
+ .caps = FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK |
+ FE_CAN_2G_MODULATION
+ },
+
+ .release = stv090x_release,
+ .init = stv090x_init,
+
+ .sleep = stv090x_sleep,
+ .get_frontend_algo = stv090x_frontend_algo,
+
+ .diseqc_send_master_cmd = stv090x_send_diseqc_msg,
+ .diseqc_send_burst = stv090x_send_diseqc_burst,
+ .diseqc_recv_slave_reply = stv090x_recv_slave_reply,
+ .set_tone = stv090x_set_tone,
+
+ .search = stv090x_search,
+ .read_status = stv090x_read_status,
+ .read_ber = stv090x_read_per,
+ .read_signal_strength = stv090x_read_signal_strength,
+ .read_snr = stv090x_read_cnr,
+};
+
+
+struct dvb_frontend *stv090x_attach(struct stv090x_config *config,
+ struct i2c_adapter *i2c,
+ enum stv090x_demodulator demod)
+{
+ struct stv090x_state *state = NULL;
+ struct stv090x_dev *temp_int;
+
+ state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ state->verbose = &verbose;
+ state->config = config;
+ state->i2c = i2c;
+ state->frontend.ops = stv090x_ops;
+ state->frontend.demodulator_priv = state;
+ state->demod = demod;
+ state->demod_mode = config->demod_mode; /* Single or Dual mode */
+ state->device = config->device;
+ state->rolloff = STV090x_RO_35; /* default */
+
+ temp_int = find_dev(state->i2c,
+ state->config->address);
+
+ if ((temp_int != NULL) && (state->demod_mode == STV090x_DUAL)) {
+ state->internal = temp_int->internal;
+ state->internal->num_used++;
+ dprintk(FE_INFO, 1, "Found Internal Structure!");
+ } else {
+ state->internal = kmalloc(sizeof(struct stv090x_internal),
+ GFP_KERNEL);
+ if (!state->internal)
+ goto error;
+ temp_int = append_internal(state->internal);
+ if (!temp_int) {
+ kfree(state->internal);
+ goto error;
+ }
+ state->internal->num_used = 1;
+ state->internal->mclk = 0;
+ state->internal->dev_ver = 0;
+ state->internal->i2c_adap = state->i2c;
+ state->internal->i2c_addr = state->config->address;
+ dprintk(FE_INFO, 1, "Create New Internal Structure!");
+
+ mutex_init(&state->internal->demod_lock);
+ mutex_init(&state->internal->tuner_lock);
+
+ if (stv090x_setup(&state->frontend) < 0) {
+ dprintk(FE_ERROR, 1, "Error setting up device");
+ goto err_remove;
+ }
+ }
+
+ if (state->internal->dev_ver >= 0x30)
+ state->frontend.ops.info.caps |= FE_CAN_MULTISTREAM;
+
+ /* workaround for stuck DiSEqC output */
+ if (config->diseqc_envelope_mode)
+ stv090x_send_diseqc_burst(&state->frontend, SEC_MINI_A);
+
+ config->set_gpio = stv090x_set_gpio;
+
+ dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
+ state->device == STV0900 ? "STV0900" : "STV0903",
+ demod,
+ state->internal->dev_ver);
+
+ return &state->frontend;
+
+err_remove:
+ remove_dev(state->internal);
+ kfree(state->internal);
+error:
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(stv090x_attach);
+MODULE_PARM_DESC(verbose, "Set Verbosity level");
+MODULE_AUTHOR("Manu Abraham");
+MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff