v4.19.13 snapshot.
diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
new file mode 100644
index 0000000..5b91e74
--- /dev/null
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -0,0 +1,3364 @@
+/*
+ * stv0367.c
+ *
+ * Driver for ST STV0367 DVB-T & DVB-C demodulator IC.
+ *
+ * Copyright (C) ST Microelectronics.
+ * Copyright (C) 2010,2011 NetUP Inc.
+ * Copyright (C) 2010,2011 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+
+#include <media/dvb_math.h>
+
+#include "stv0367.h"
+#include "stv0367_defs.h"
+#include "stv0367_regs.h"
+#include "stv0367_priv.h"
+
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 64
+
+static int stvdebug;
+module_param_named(debug, stvdebug, int, 0644);
+
+static int i2cdebug;
+module_param_named(i2c_debug, i2cdebug, int, 0644);
+
+#define dprintk(args...) \
+ do { \
+ if (stvdebug) \
+ printk(KERN_DEBUG args); \
+ } while (0)
+ /* DVB-C */
+
+enum active_demod_state { demod_none, demod_ter, demod_cab };
+
+struct stv0367cab_state {
+ enum stv0367_cab_signal_type state;
+ u32 mclk;
+ u32 adc_clk;
+ s32 search_range;
+ s32 derot_offset;
+ /* results */
+ int locked; /* channel found */
+ u32 freq_khz; /* found frequency (in kHz) */
+ u32 symbol_rate; /* found symbol rate (in Bds) */
+ enum fe_spectral_inversion spect_inv; /* Spectrum Inversion */
+ u32 qamfec_status_reg; /* status reg to poll for FEC Lock */
+};
+
+struct stv0367ter_state {
+ /* DVB-T */
+ enum stv0367_ter_signal_type state;
+ enum stv0367_ter_if_iq_mode if_iq_mode;
+ enum stv0367_ter_mode mode;/* mode 2K or 8K */
+ enum fe_guard_interval guard;
+ enum stv0367_ter_hierarchy hierarchy;
+ u32 frequency;
+ enum fe_spectral_inversion sense; /* current search spectrum */
+ u8 force; /* force mode/guard */
+ u8 bw; /* channel width 6, 7 or 8 in MHz */
+ u8 pBW; /* channel width used during previous lock */
+ u32 pBER;
+ u32 pPER;
+ u32 ucblocks;
+ s8 echo_pos; /* echo position */
+ u8 first_lock;
+ u8 unlock_counter;
+ u32 agc_val;
+};
+
+struct stv0367_state {
+ struct dvb_frontend fe;
+ struct i2c_adapter *i2c;
+ /* config settings */
+ const struct stv0367_config *config;
+ u8 chip_id;
+ /* DVB-C */
+ struct stv0367cab_state *cab_state;
+ /* DVB-T */
+ struct stv0367ter_state *ter_state;
+ /* flags for operation control */
+ u8 use_i2c_gatectrl;
+ u8 deftabs;
+ u8 reinit_on_setfrontend;
+ u8 auto_if_khz;
+ enum active_demod_state activedemod;
+};
+
+#define RF_LOOKUP_TABLE_SIZE 31
+#define RF_LOOKUP_TABLE2_SIZE 16
+/* RF Level (for RF AGC->AGC1) Lookup Table, depends on the board and tuner.*/
+static const s32 stv0367cab_RF_LookUp1[RF_LOOKUP_TABLE_SIZE][RF_LOOKUP_TABLE_SIZE] = {
+ {/*AGC1*/
+ 48, 50, 51, 53, 54, 56, 57, 58, 60, 61, 62, 63,
+ 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,
+ 76, 77, 78, 80, 83, 85, 88,
+ }, {/*RF(dbm)*/
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 46, 47,
+ 49, 50, 52, 53, 54, 55, 56,
+ }
+};
+/* RF Level (for IF AGC->AGC2) Lookup Table, depends on the board and tuner.*/
+static const s32 stv0367cab_RF_LookUp2[RF_LOOKUP_TABLE2_SIZE][RF_LOOKUP_TABLE2_SIZE] = {
+ {/*AGC2*/
+ 28, 29, 31, 32, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 44, 45,
+ }, {/*RF(dbm)*/
+ 57, 58, 59, 60, 61, 62, 63, 64,
+ 65, 66, 67, 68, 69, 70, 71, 72,
+ }
+};
+
+static
+int stv0367_writeregs(struct stv0367_state *state, u16 reg, u8 *data, int len)
+{
+ u8 buf[MAX_XFER_SIZE];
+ struct i2c_msg msg = {
+ .addr = state->config->demod_address,
+ .flags = 0,
+ .buf = buf,
+ .len = len + 2
+ };
+ int ret;
+
+ if (2 + len > sizeof(buf)) {
+ printk(KERN_WARNING
+ "%s: i2c wr reg=%04x: len=%d is too big!\n",
+ KBUILD_MODNAME, reg, len);
+ return -EINVAL;
+ }
+
+
+ buf[0] = MSB(reg);
+ buf[1] = LSB(reg);
+ memcpy(buf + 2, data, len);
+
+ if (i2cdebug)
+ printk(KERN_DEBUG "%s: [%02x] %02x: %02x\n", __func__,
+ state->config->demod_address, reg, buf[2]);
+
+ ret = i2c_transfer(state->i2c, &msg, 1);
+ if (ret != 1)
+ printk(KERN_ERR "%s: i2c write error! ([%02x] %02x: %02x)\n",
+ __func__, state->config->demod_address, reg, buf[2]);
+
+ return (ret != 1) ? -EREMOTEIO : 0;
+}
+
+static int stv0367_writereg(struct stv0367_state *state, u16 reg, u8 data)
+{
+ u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
+
+ return stv0367_writeregs(state, reg, &tmp, 1);
+}
+
+static u8 stv0367_readreg(struct stv0367_state *state, u16 reg)
+{
+ u8 b0[] = { 0, 0 };
+ u8 b1[] = { 0 };
+ struct i2c_msg msg[] = {
+ {
+ .addr = state->config->demod_address,
+ .flags = 0,
+ .buf = b0,
+ .len = 2
+ }, {
+ .addr = state->config->demod_address,
+ .flags = I2C_M_RD,
+ .buf = b1,
+ .len = 1
+ }
+ };
+ int ret;
+
+ b0[0] = MSB(reg);
+ b0[1] = LSB(reg);
+
+ ret = i2c_transfer(state->i2c, msg, 2);
+ if (ret != 2)
+ printk(KERN_ERR "%s: i2c read error ([%02x] %02x: %02x)\n",
+ __func__, state->config->demod_address, reg, b1[0]);
+
+ if (i2cdebug)
+ printk(KERN_DEBUG "%s: [%02x] %02x: %02x\n", __func__,
+ state->config->demod_address, reg, b1[0]);
+
+ return b1[0];
+}
+
+static void extract_mask_pos(u32 label, u8 *mask, u8 *pos)
+{
+ u8 position = 0, i = 0;
+
+ (*mask) = label & 0xff;
+
+ while ((position == 0) && (i < 8)) {
+ position = ((*mask) >> i) & 0x01;
+ i++;
+ }
+
+ (*pos) = (i - 1);
+}
+
+static void stv0367_writebits(struct stv0367_state *state, u32 label, u8 val)
+{
+ u8 reg, mask, pos;
+
+ reg = stv0367_readreg(state, (label >> 16) & 0xffff);
+ extract_mask_pos(label, &mask, &pos);
+
+ val = mask & (val << pos);
+
+ reg = (reg & (~mask)) | val;
+ stv0367_writereg(state, (label >> 16) & 0xffff, reg);
+
+}
+
+static void stv0367_setbits(u8 *reg, u32 label, u8 val)
+{
+ u8 mask, pos;
+
+ extract_mask_pos(label, &mask, &pos);
+
+ val = mask & (val << pos);
+
+ (*reg) = ((*reg) & (~mask)) | val;
+}
+
+static u8 stv0367_readbits(struct stv0367_state *state, u32 label)
+{
+ u8 val = 0xff;
+ u8 mask, pos;
+
+ extract_mask_pos(label, &mask, &pos);
+
+ val = stv0367_readreg(state, label >> 16);
+ val = (val & mask) >> pos;
+
+ return val;
+}
+
+#if 0 /* Currently, unused */
+static u8 stv0367_getbits(u8 reg, u32 label)
+{
+ u8 mask, pos;
+
+ extract_mask_pos(label, &mask, &pos);
+
+ return (reg & mask) >> pos;
+}
+#endif
+
+static void stv0367_write_table(struct stv0367_state *state,
+ const struct st_register *deftab)
+{
+ int i = 0;
+
+ while (1) {
+ if (!deftab[i].addr)
+ break;
+ stv0367_writereg(state, deftab[i].addr, deftab[i].value);
+ i++;
+ }
+}
+
+static void stv0367_pll_setup(struct stv0367_state *state,
+ u32 icspeed, u32 xtal)
+{
+ /* note on regs: R367TER_* and R367CAB_* defines each point to
+ * 0xf0d8, so just use R367TER_ for both cases
+ */
+
+ switch (icspeed) {
+ case STV0367_ICSPEED_58000:
+ switch (xtal) {
+ default:
+ case 27000000:
+ dprintk("STV0367 SetCLKgen for 58MHz IC and 27Mhz crystal\n");
+ /* PLLMDIV: 27, PLLNDIV: 232 */
+ stv0367_writereg(state, R367TER_PLLMDIV, 0x1b);
+ stv0367_writereg(state, R367TER_PLLNDIV, 0xe8);
+ break;
+ }
+ break;
+ default:
+ case STV0367_ICSPEED_53125:
+ switch (xtal) {
+ /* set internal freq to 53.125MHz */
+ case 16000000:
+ stv0367_writereg(state, R367TER_PLLMDIV, 0x2);
+ stv0367_writereg(state, R367TER_PLLNDIV, 0x1b);
+ break;
+ case 25000000:
+ stv0367_writereg(state, R367TER_PLLMDIV, 0xa);
+ stv0367_writereg(state, R367TER_PLLNDIV, 0x55);
+ break;
+ default:
+ case 27000000:
+ dprintk("FE_STV0367TER_SetCLKgen for 27Mhz\n");
+ stv0367_writereg(state, R367TER_PLLMDIV, 0x1);
+ stv0367_writereg(state, R367TER_PLLNDIV, 0x8);
+ break;
+ case 30000000:
+ stv0367_writereg(state, R367TER_PLLMDIV, 0xc);
+ stv0367_writereg(state, R367TER_PLLNDIV, 0x55);
+ break;
+ }
+ }
+
+ stv0367_writereg(state, R367TER_PLLSETUP, 0x18);
+}
+
+static int stv0367_get_if_khz(struct stv0367_state *state, u32 *ifkhz)
+{
+ if (state->auto_if_khz && state->fe.ops.tuner_ops.get_if_frequency) {
+ state->fe.ops.tuner_ops.get_if_frequency(&state->fe, ifkhz);
+ *ifkhz = *ifkhz / 1000; /* hz -> khz */
+ } else
+ *ifkhz = state->config->if_khz;
+
+ return 0;
+}
+
+static int stv0367ter_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u8 tmp = stv0367_readreg(state, R367TER_I2CRPT);
+
+ dprintk("%s:\n", __func__);
+
+ if (enable) {
+ stv0367_setbits(&tmp, F367TER_STOP_ENABLE, 0);
+ stv0367_setbits(&tmp, F367TER_I2CT_ON, 1);
+ } else {
+ stv0367_setbits(&tmp, F367TER_STOP_ENABLE, 1);
+ stv0367_setbits(&tmp, F367TER_I2CT_ON, 0);
+ }
+
+ stv0367_writereg(state, R367TER_I2CRPT, tmp);
+
+ return 0;
+}
+
+static u32 stv0367_get_tuner_freq(struct dvb_frontend *fe)
+{
+ struct dvb_frontend_ops *frontend_ops = &fe->ops;
+ struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
+ u32 freq = 0;
+ int err = 0;
+
+ dprintk("%s:\n", __func__);
+
+ if (tuner_ops->get_frequency) {
+ err = tuner_ops->get_frequency(fe, &freq);
+ if (err < 0) {
+ printk(KERN_ERR "%s: Invalid parameter\n", __func__);
+ return err;
+ }
+
+ dprintk("%s: frequency=%d\n", __func__, freq);
+
+ } else
+ return -1;
+
+ return freq;
+}
+
+static u16 CellsCoeffs_8MHz_367cofdm[3][6][5] = {
+ {
+ {0x10EF, 0xE205, 0x10EF, 0xCE49, 0x6DA7}, /* CELL 1 COEFFS 27M*/
+ {0x2151, 0xc557, 0x2151, 0xc705, 0x6f93}, /* CELL 2 COEFFS */
+ {0x2503, 0xc000, 0x2503, 0xc375, 0x7194}, /* CELL 3 COEFFS */
+ {0x20E9, 0xca94, 0x20e9, 0xc153, 0x7194}, /* CELL 4 COEFFS */
+ {0x06EF, 0xF852, 0x06EF, 0xC057, 0x7207}, /* CELL 5 COEFFS */
+ {0x0000, 0x0ECC, 0x0ECC, 0x0000, 0x3647} /* CELL 6 COEFFS */
+ }, {
+ {0x10A0, 0xE2AF, 0x10A1, 0xCE76, 0x6D6D}, /* CELL 1 COEFFS 25M*/
+ {0x20DC, 0xC676, 0x20D9, 0xC80A, 0x6F29},
+ {0x2532, 0xC000, 0x251D, 0xC391, 0x706F},
+ {0x1F7A, 0xCD2B, 0x2032, 0xC15E, 0x711F},
+ {0x0698, 0xFA5E, 0x0568, 0xC059, 0x7193},
+ {0x0000, 0x0918, 0x149C, 0x0000, 0x3642} /* CELL 6 COEFFS */
+ }, {
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000}, /* 30M */
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000}
+ }
+};
+
+static u16 CellsCoeffs_7MHz_367cofdm[3][6][5] = {
+ {
+ {0x12CA, 0xDDAF, 0x12CA, 0xCCEB, 0x6FB1}, /* CELL 1 COEFFS 27M*/
+ {0x2329, 0xC000, 0x2329, 0xC6B0, 0x725F}, /* CELL 2 COEFFS */
+ {0x2394, 0xC000, 0x2394, 0xC2C7, 0x7410}, /* CELL 3 COEFFS */
+ {0x251C, 0xC000, 0x251C, 0xC103, 0x74D9}, /* CELL 4 COEFFS */
+ {0x0804, 0xF546, 0x0804, 0xC040, 0x7544}, /* CELL 5 COEFFS */
+ {0x0000, 0x0CD9, 0x0CD9, 0x0000, 0x370A} /* CELL 6 COEFFS */
+ }, {
+ {0x1285, 0xDE47, 0x1285, 0xCD17, 0x6F76}, /*25M*/
+ {0x234C, 0xC000, 0x2348, 0xC6DA, 0x7206},
+ {0x23B4, 0xC000, 0x23AC, 0xC2DB, 0x73B3},
+ {0x253D, 0xC000, 0x25B6, 0xC10B, 0x747F},
+ {0x0721, 0xF79C, 0x065F, 0xC041, 0x74EB},
+ {0x0000, 0x08FA, 0x1162, 0x0000, 0x36FF}
+ }, {
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000}, /* 30M */
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000}
+ }
+};
+
+static u16 CellsCoeffs_6MHz_367cofdm[3][6][5] = {
+ {
+ {0x1699, 0xD5B8, 0x1699, 0xCBC3, 0x713B}, /* CELL 1 COEFFS 27M*/
+ {0x2245, 0xC000, 0x2245, 0xC568, 0x74D5}, /* CELL 2 COEFFS */
+ {0x227F, 0xC000, 0x227F, 0xC1FC, 0x76C6}, /* CELL 3 COEFFS */
+ {0x235E, 0xC000, 0x235E, 0xC0A7, 0x778A}, /* CELL 4 COEFFS */
+ {0x0ECB, 0xEA0B, 0x0ECB, 0xC027, 0x77DD}, /* CELL 5 COEFFS */
+ {0x0000, 0x0B68, 0x0B68, 0x0000, 0xC89A}, /* CELL 6 COEFFS */
+ }, {
+ {0x1655, 0xD64E, 0x1658, 0xCBEF, 0x70FE}, /*25M*/
+ {0x225E, 0xC000, 0x2256, 0xC589, 0x7489},
+ {0x2293, 0xC000, 0x2295, 0xC209, 0x767E},
+ {0x2377, 0xC000, 0x23AA, 0xC0AB, 0x7746},
+ {0x0DC7, 0xEBC8, 0x0D07, 0xC027, 0x7799},
+ {0x0000, 0x0888, 0x0E9C, 0x0000, 0x3757}
+
+ }, {
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000}, /* 30M */
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
+ {0x0000, 0x0000, 0x0000, 0x0000, 0x0000}
+ }
+};
+
+static u32 stv0367ter_get_mclk(struct stv0367_state *state, u32 ExtClk_Hz)
+{
+ u32 mclk_Hz = 0; /* master clock frequency (Hz) */
+ u32 m, n, p;
+
+ dprintk("%s:\n", __func__);
+
+ if (stv0367_readbits(state, F367TER_BYPASS_PLLXN) == 0) {
+ n = (u32)stv0367_readbits(state, F367TER_PLL_NDIV);
+ if (n == 0)
+ n = n + 1;
+
+ m = (u32)stv0367_readbits(state, F367TER_PLL_MDIV);
+ if (m == 0)
+ m = m + 1;
+
+ p = (u32)stv0367_readbits(state, F367TER_PLL_PDIV);
+ if (p > 5)
+ p = 5;
+
+ mclk_Hz = ((ExtClk_Hz / 2) * n) / (m * (1 << p));
+
+ dprintk("N=%d M=%d P=%d mclk_Hz=%d ExtClk_Hz=%d\n",
+ n, m, p, mclk_Hz, ExtClk_Hz);
+ } else
+ mclk_Hz = ExtClk_Hz;
+
+ dprintk("%s: mclk_Hz=%d\n", __func__, mclk_Hz);
+
+ return mclk_Hz;
+}
+
+static int stv0367ter_filt_coeff_init(struct stv0367_state *state,
+ u16 CellsCoeffs[3][6][5], u32 DemodXtal)
+{
+ int i, j, k, freq;
+
+ dprintk("%s:\n", __func__);
+
+ freq = stv0367ter_get_mclk(state, DemodXtal);
+
+ if (freq == 53125000)
+ k = 1; /* equivalent to Xtal 25M on 362*/
+ else if (freq == 54000000)
+ k = 0; /* equivalent to Xtal 27M on 362*/
+ else if (freq == 52500000)
+ k = 2; /* equivalent to Xtal 30M on 362*/
+ else
+ return 0;
+
+ for (i = 1; i <= 6; i++) {
+ stv0367_writebits(state, F367TER_IIR_CELL_NB, i - 1);
+
+ for (j = 1; j <= 5; j++) {
+ stv0367_writereg(state,
+ (R367TER_IIRCX_COEFF1_MSB + 2 * (j - 1)),
+ MSB(CellsCoeffs[k][i-1][j-1]));
+ stv0367_writereg(state,
+ (R367TER_IIRCX_COEFF1_LSB + 2 * (j - 1)),
+ LSB(CellsCoeffs[k][i-1][j-1]));
+ }
+ }
+
+ return 1;
+
+}
+
+static void stv0367ter_agc_iir_lock_detect_set(struct stv0367_state *state)
+{
+ dprintk("%s:\n", __func__);
+
+ stv0367_writebits(state, F367TER_LOCK_DETECT_LSB, 0x00);
+
+ /* Lock detect 1 */
+ stv0367_writebits(state, F367TER_LOCK_DETECT_CHOICE, 0x00);
+ stv0367_writebits(state, F367TER_LOCK_DETECT_MSB, 0x06);
+ stv0367_writebits(state, F367TER_AUT_AGC_TARGET_LSB, 0x04);
+
+ /* Lock detect 2 */
+ stv0367_writebits(state, F367TER_LOCK_DETECT_CHOICE, 0x01);
+ stv0367_writebits(state, F367TER_LOCK_DETECT_MSB, 0x06);
+ stv0367_writebits(state, F367TER_AUT_AGC_TARGET_LSB, 0x04);
+
+ /* Lock detect 3 */
+ stv0367_writebits(state, F367TER_LOCK_DETECT_CHOICE, 0x02);
+ stv0367_writebits(state, F367TER_LOCK_DETECT_MSB, 0x01);
+ stv0367_writebits(state, F367TER_AUT_AGC_TARGET_LSB, 0x00);
+
+ /* Lock detect 4 */
+ stv0367_writebits(state, F367TER_LOCK_DETECT_CHOICE, 0x03);
+ stv0367_writebits(state, F367TER_LOCK_DETECT_MSB, 0x01);
+ stv0367_writebits(state, F367TER_AUT_AGC_TARGET_LSB, 0x00);
+
+}
+
+static int stv0367_iir_filt_init(struct stv0367_state *state, u8 Bandwidth,
+ u32 DemodXtalValue)
+{
+ dprintk("%s:\n", __func__);
+
+ stv0367_writebits(state, F367TER_NRST_IIR, 0);
+
+ switch (Bandwidth) {
+ case 6:
+ if (!stv0367ter_filt_coeff_init(state,
+ CellsCoeffs_6MHz_367cofdm,
+ DemodXtalValue))
+ return 0;
+ break;
+ case 7:
+ if (!stv0367ter_filt_coeff_init(state,
+ CellsCoeffs_7MHz_367cofdm,
+ DemodXtalValue))
+ return 0;
+ break;
+ case 8:
+ if (!stv0367ter_filt_coeff_init(state,
+ CellsCoeffs_8MHz_367cofdm,
+ DemodXtalValue))
+ return 0;
+ break;
+ default:
+ return 0;
+ }
+
+ stv0367_writebits(state, F367TER_NRST_IIR, 1);
+
+ return 1;
+}
+
+static void stv0367ter_agc_iir_rst(struct stv0367_state *state)
+{
+
+ u8 com_n;
+
+ dprintk("%s:\n", __func__);
+
+ com_n = stv0367_readbits(state, F367TER_COM_N);
+
+ stv0367_writebits(state, F367TER_COM_N, 0x07);
+
+ stv0367_writebits(state, F367TER_COM_SOFT_RSTN, 0x00);
+ stv0367_writebits(state, F367TER_COM_AGC_ON, 0x00);
+
+ stv0367_writebits(state, F367TER_COM_SOFT_RSTN, 0x01);
+ stv0367_writebits(state, F367TER_COM_AGC_ON, 0x01);
+
+ stv0367_writebits(state, F367TER_COM_N, com_n);
+
+}
+
+static int stv0367ter_duration(s32 mode, int tempo1, int tempo2, int tempo3)
+{
+ int local_tempo = 0;
+ switch (mode) {
+ case 0:
+ local_tempo = tempo1;
+ break;
+ case 1:
+ local_tempo = tempo2;
+ break ;
+
+ case 2:
+ local_tempo = tempo3;
+ break;
+
+ default:
+ break;
+ }
+ /* msleep(local_tempo); */
+ return local_tempo;
+}
+
+static enum
+stv0367_ter_signal_type stv0367ter_check_syr(struct stv0367_state *state)
+{
+ int wd = 100;
+ unsigned short int SYR_var;
+ s32 SYRStatus;
+
+ dprintk("%s:\n", __func__);
+
+ SYR_var = stv0367_readbits(state, F367TER_SYR_LOCK);
+
+ while ((!SYR_var) && (wd > 0)) {
+ usleep_range(2000, 3000);
+ wd -= 2;
+ SYR_var = stv0367_readbits(state, F367TER_SYR_LOCK);
+ }
+
+ if (!SYR_var)
+ SYRStatus = FE_TER_NOSYMBOL;
+ else
+ SYRStatus = FE_TER_SYMBOLOK;
+
+ dprintk("stv0367ter_check_syr SYRStatus %s\n",
+ SYR_var == 0 ? "No Symbol" : "OK");
+
+ return SYRStatus;
+}
+
+static enum
+stv0367_ter_signal_type stv0367ter_check_cpamp(struct stv0367_state *state,
+ s32 FFTmode)
+{
+
+ s32 CPAMPvalue = 0, CPAMPStatus, CPAMPMin;
+ int wd = 0;
+
+ dprintk("%s:\n", __func__);
+
+ switch (FFTmode) {
+ case 0: /*2k mode*/
+ CPAMPMin = 20;
+ wd = 10;
+ break;
+ case 1: /*8k mode*/
+ CPAMPMin = 80;
+ wd = 55;
+ break;
+ case 2: /*4k mode*/
+ CPAMPMin = 40;
+ wd = 30;
+ break;
+ default:
+ CPAMPMin = 0xffff; /*drives to NOCPAMP */
+ break;
+ }
+
+ dprintk("%s: CPAMPMin=%d wd=%d\n", __func__, CPAMPMin, wd);
+
+ CPAMPvalue = stv0367_readbits(state, F367TER_PPM_CPAMP_DIRECT);
+ while ((CPAMPvalue < CPAMPMin) && (wd > 0)) {
+ usleep_range(1000, 2000);
+ wd -= 1;
+ CPAMPvalue = stv0367_readbits(state, F367TER_PPM_CPAMP_DIRECT);
+ /*dprintk("CPAMPvalue= %d at wd=%d\n",CPAMPvalue,wd); */
+ }
+ dprintk("******last CPAMPvalue= %d at wd=%d\n", CPAMPvalue, wd);
+ if (CPAMPvalue < CPAMPMin) {
+ CPAMPStatus = FE_TER_NOCPAMP;
+ dprintk("%s: CPAMP failed\n", __func__);
+ } else {
+ dprintk("%s: CPAMP OK !\n", __func__);
+ CPAMPStatus = FE_TER_CPAMPOK;
+ }
+
+ return CPAMPStatus;
+}
+
+static enum stv0367_ter_signal_type
+stv0367ter_lock_algo(struct stv0367_state *state)
+{
+ enum stv0367_ter_signal_type ret_flag;
+ short int wd, tempo;
+ u8 try, u_var1 = 0, u_var2 = 0, u_var3 = 0, u_var4 = 0, mode, guard;
+ u8 tmp, tmp2;
+
+ dprintk("%s:\n", __func__);
+
+ if (state == NULL)
+ return FE_TER_SWNOK;
+
+ try = 0;
+ do {
+ ret_flag = FE_TER_LOCKOK;
+
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 0);
+
+ if (state->config->if_iq_mode != 0)
+ stv0367_writebits(state, F367TER_COM_N, 0x07);
+
+ stv0367_writebits(state, F367TER_GUARD, 3);/* suggest 2k 1/4 */
+ stv0367_writebits(state, F367TER_MODE, 0);
+ stv0367_writebits(state, F367TER_SYR_TR_DIS, 0);
+ usleep_range(5000, 10000);
+
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 1);
+
+
+ if (stv0367ter_check_syr(state) == FE_TER_NOSYMBOL)
+ return FE_TER_NOSYMBOL;
+ else { /*
+ if chip locked on wrong mode first try,
+ it must lock correctly second try */
+ mode = stv0367_readbits(state, F367TER_SYR_MODE);
+ if (stv0367ter_check_cpamp(state, mode) ==
+ FE_TER_NOCPAMP) {
+ if (try == 0)
+ ret_flag = FE_TER_NOCPAMP;
+
+ }
+ }
+
+ try++;
+ } while ((try < 10) && (ret_flag != FE_TER_LOCKOK));
+
+ tmp = stv0367_readreg(state, R367TER_SYR_STAT);
+ tmp2 = stv0367_readreg(state, R367TER_STATUS);
+ dprintk("state=%p\n", state);
+ dprintk("LOCK OK! mode=%d SYR_STAT=0x%x R367TER_STATUS=0x%x\n",
+ mode, tmp, tmp2);
+
+ tmp = stv0367_readreg(state, R367TER_PRVIT);
+ tmp2 = stv0367_readreg(state, R367TER_I2CRPT);
+ dprintk("PRVIT=0x%x I2CRPT=0x%x\n", tmp, tmp2);
+
+ tmp = stv0367_readreg(state, R367TER_GAIN_SRC1);
+ dprintk("GAIN_SRC1=0x%x\n", tmp);
+
+ if ((mode != 0) && (mode != 1) && (mode != 2))
+ return FE_TER_SWNOK;
+
+ /*guard=stv0367_readbits(state,F367TER_SYR_GUARD); */
+
+ /*suppress EPQ auto for SYR_GARD 1/16 or 1/32
+ and set channel predictor in automatic */
+#if 0
+ switch (guard) {
+
+ case 0:
+ case 1:
+ stv0367_writebits(state, F367TER_AUTO_LE_EN, 0);
+ stv0367_writereg(state, R367TER_CHC_CTL, 0x01);
+ break;
+ case 2:
+ case 3:
+ stv0367_writebits(state, F367TER_AUTO_LE_EN, 1);
+ stv0367_writereg(state, R367TER_CHC_CTL, 0x11);
+ break;
+
+ default:
+ return FE_TER_SWNOK;
+ }
+#endif
+
+ /*reset fec an reedsolo FOR 367 only*/
+ stv0367_writebits(state, F367TER_RST_SFEC, 1);
+ stv0367_writebits(state, F367TER_RST_REEDSOLO, 1);
+ usleep_range(1000, 2000);
+ stv0367_writebits(state, F367TER_RST_SFEC, 0);
+ stv0367_writebits(state, F367TER_RST_REEDSOLO, 0);
+
+ u_var1 = stv0367_readbits(state, F367TER_LK);
+ u_var2 = stv0367_readbits(state, F367TER_PRF);
+ u_var3 = stv0367_readbits(state, F367TER_TPS_LOCK);
+ /* u_var4=stv0367_readbits(state,F367TER_TSFIFO_LINEOK); */
+
+ wd = stv0367ter_duration(mode, 125, 500, 250);
+ tempo = stv0367ter_duration(mode, 4, 16, 8);
+
+ /*while ( ((!u_var1)||(!u_var2)||(!u_var3)||(!u_var4)) && (wd>=0)) */
+ while (((!u_var1) || (!u_var2) || (!u_var3)) && (wd >= 0)) {
+ usleep_range(1000 * tempo, 1000 * (tempo + 1));
+ wd -= tempo;
+ u_var1 = stv0367_readbits(state, F367TER_LK);
+ u_var2 = stv0367_readbits(state, F367TER_PRF);
+ u_var3 = stv0367_readbits(state, F367TER_TPS_LOCK);
+ /*u_var4=stv0367_readbits(state, F367TER_TSFIFO_LINEOK); */
+ }
+
+ if (!u_var1)
+ return FE_TER_NOLOCK;
+
+
+ if (!u_var2)
+ return FE_TER_NOPRFOUND;
+
+ if (!u_var3)
+ return FE_TER_NOTPS;
+
+ guard = stv0367_readbits(state, F367TER_SYR_GUARD);
+ stv0367_writereg(state, R367TER_CHC_CTL, 0x11);
+ switch (guard) {
+ case 0:
+ case 1:
+ stv0367_writebits(state, F367TER_AUTO_LE_EN, 0);
+ /*stv0367_writereg(state,R367TER_CHC_CTL, 0x1);*/
+ stv0367_writebits(state, F367TER_SYR_FILTER, 0);
+ break;
+ case 2:
+ case 3:
+ stv0367_writebits(state, F367TER_AUTO_LE_EN, 1);
+ /*stv0367_writereg(state,R367TER_CHC_CTL, 0x11);*/
+ stv0367_writebits(state, F367TER_SYR_FILTER, 1);
+ break;
+
+ default:
+ return FE_TER_SWNOK;
+ }
+
+ /* apply Sfec workaround if 8K 64QAM CR!=1/2*/
+ if ((stv0367_readbits(state, F367TER_TPS_CONST) == 2) &&
+ (mode == 1) &&
+ (stv0367_readbits(state, F367TER_TPS_HPCODE) != 0)) {
+ stv0367_writereg(state, R367TER_SFDLYSETH, 0xc0);
+ stv0367_writereg(state, R367TER_SFDLYSETM, 0x60);
+ stv0367_writereg(state, R367TER_SFDLYSETL, 0x0);
+ } else
+ stv0367_writereg(state, R367TER_SFDLYSETH, 0x0);
+
+ wd = stv0367ter_duration(mode, 125, 500, 250);
+ u_var4 = stv0367_readbits(state, F367TER_TSFIFO_LINEOK);
+
+ while ((!u_var4) && (wd >= 0)) {
+ usleep_range(1000 * tempo, 1000 * (tempo + 1));
+ wd -= tempo;
+ u_var4 = stv0367_readbits(state, F367TER_TSFIFO_LINEOK);
+ }
+
+ if (!u_var4)
+ return FE_TER_NOLOCK;
+
+ /* for 367 leave COM_N at 0x7 for IQ_mode*/
+ /*if(ter_state->if_iq_mode!=FE_TER_NORMAL_IF_TUNER) {
+ tempo=0;
+ while ((stv0367_readbits(state,F367TER_COM_USEGAINTRK)!=1) &&
+ (stv0367_readbits(state,F367TER_COM_AGCLOCK)!=1)&&(tempo<100)) {
+ ChipWaitOrAbort(state,1);
+ tempo+=1;
+ }
+
+ stv0367_writebits(state,F367TER_COM_N,0x17);
+ } */
+
+ stv0367_writebits(state, F367TER_SYR_TR_DIS, 1);
+
+ dprintk("FE_TER_LOCKOK !!!\n");
+
+ return FE_TER_LOCKOK;
+
+}
+
+static void stv0367ter_set_ts_mode(struct stv0367_state *state,
+ enum stv0367_ts_mode PathTS)
+{
+
+ dprintk("%s:\n", __func__);
+
+ if (state == NULL)
+ return;
+
+ stv0367_writebits(state, F367TER_TS_DIS, 0);
+ switch (PathTS) {
+ default:
+ /*for removing warning :default we can assume in parallel mode*/
+ case STV0367_PARALLEL_PUNCT_CLOCK:
+ stv0367_writebits(state, F367TER_TSFIFO_SERIAL, 0);
+ stv0367_writebits(state, F367TER_TSFIFO_DVBCI, 0);
+ break;
+ case STV0367_SERIAL_PUNCT_CLOCK:
+ stv0367_writebits(state, F367TER_TSFIFO_SERIAL, 1);
+ stv0367_writebits(state, F367TER_TSFIFO_DVBCI, 1);
+ break;
+ }
+}
+
+static void stv0367ter_set_clk_pol(struct stv0367_state *state,
+ enum stv0367_clk_pol clock)
+{
+
+ dprintk("%s:\n", __func__);
+
+ if (state == NULL)
+ return;
+
+ switch (clock) {
+ case STV0367_RISINGEDGE_CLOCK:
+ stv0367_writebits(state, F367TER_TS_BYTE_CLK_INV, 1);
+ break;
+ case STV0367_FALLINGEDGE_CLOCK:
+ stv0367_writebits(state, F367TER_TS_BYTE_CLK_INV, 0);
+ break;
+ /*case FE_TER_CLOCK_POLARITY_DEFAULT:*/
+ default:
+ stv0367_writebits(state, F367TER_TS_BYTE_CLK_INV, 0);
+ break;
+ }
+}
+
+#if 0
+static void stv0367ter_core_sw(struct stv0367_state *state)
+{
+
+ dprintk("%s:\n", __func__);
+
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 0);
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 1);
+ msleep(350);
+}
+#endif
+static int stv0367ter_standby(struct dvb_frontend *fe, u8 standby_on)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ dprintk("%s:\n", __func__);
+
+ if (standby_on) {
+ stv0367_writebits(state, F367TER_STDBY, 1);
+ stv0367_writebits(state, F367TER_STDBY_FEC, 1);
+ stv0367_writebits(state, F367TER_STDBY_CORE, 1);
+ } else {
+ stv0367_writebits(state, F367TER_STDBY, 0);
+ stv0367_writebits(state, F367TER_STDBY_FEC, 0);
+ stv0367_writebits(state, F367TER_STDBY_CORE, 0);
+ }
+
+ return 0;
+}
+
+static int stv0367ter_sleep(struct dvb_frontend *fe)
+{
+ return stv0367ter_standby(fe, 1);
+}
+
+static int stv0367ter_init(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+
+ dprintk("%s:\n", __func__);
+
+ ter_state->pBER = 0;
+
+ stv0367_write_table(state,
+ stv0367_deftabs[state->deftabs][STV0367_TAB_TER]);
+
+ stv0367_pll_setup(state, STV0367_ICSPEED_53125, state->config->xtal);
+
+ stv0367_writereg(state, R367TER_I2CRPT, 0xa0);
+ stv0367_writereg(state, R367TER_ANACTRL, 0x00);
+
+ /*Set TS1 and TS2 to serial or parallel mode */
+ stv0367ter_set_ts_mode(state, state->config->ts_mode);
+ stv0367ter_set_clk_pol(state, state->config->clk_pol);
+
+ state->chip_id = stv0367_readreg(state, R367TER_ID);
+ ter_state->first_lock = 0;
+ ter_state->unlock_counter = 2;
+
+ return 0;
+}
+
+static int stv0367ter_algo(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+ int offset = 0, tempo = 0;
+ u8 u_var;
+ u8 /*constell,*/ counter;
+ s8 step;
+ s32 timing_offset = 0;
+ u32 trl_nomrate = 0, InternalFreq = 0, temp = 0, ifkhz = 0;
+
+ dprintk("%s:\n", __func__);
+
+ stv0367_get_if_khz(state, &ifkhz);
+
+ ter_state->frequency = p->frequency;
+ ter_state->force = FE_TER_FORCENONE
+ + stv0367_readbits(state, F367TER_FORCE) * 2;
+ ter_state->if_iq_mode = state->config->if_iq_mode;
+ switch (state->config->if_iq_mode) {
+ case FE_TER_NORMAL_IF_TUNER: /* Normal IF mode */
+ dprintk("ALGO: FE_TER_NORMAL_IF_TUNER selected\n");
+ stv0367_writebits(state, F367TER_TUNER_BB, 0);
+ stv0367_writebits(state, F367TER_LONGPATH_IF, 0);
+ stv0367_writebits(state, F367TER_DEMUX_SWAP, 0);
+ break;
+ case FE_TER_LONGPATH_IF_TUNER: /* Long IF mode */
+ dprintk("ALGO: FE_TER_LONGPATH_IF_TUNER selected\n");
+ stv0367_writebits(state, F367TER_TUNER_BB, 0);
+ stv0367_writebits(state, F367TER_LONGPATH_IF, 1);
+ stv0367_writebits(state, F367TER_DEMUX_SWAP, 1);
+ break;
+ case FE_TER_IQ_TUNER: /* IQ mode */
+ dprintk("ALGO: FE_TER_IQ_TUNER selected\n");
+ stv0367_writebits(state, F367TER_TUNER_BB, 1);
+ stv0367_writebits(state, F367TER_PPM_INVSEL, 0);
+ break;
+ default:
+ printk(KERN_ERR "ALGO: wrong TUNER type selected\n");
+ return -EINVAL;
+ }
+
+ usleep_range(5000, 7000);
+
+ switch (p->inversion) {
+ case INVERSION_AUTO:
+ default:
+ dprintk("%s: inversion AUTO\n", __func__);
+ if (ter_state->if_iq_mode == FE_TER_IQ_TUNER)
+ stv0367_writebits(state, F367TER_IQ_INVERT,
+ ter_state->sense);
+ else
+ stv0367_writebits(state, F367TER_INV_SPECTR,
+ ter_state->sense);
+
+ break;
+ case INVERSION_ON:
+ case INVERSION_OFF:
+ if (ter_state->if_iq_mode == FE_TER_IQ_TUNER)
+ stv0367_writebits(state, F367TER_IQ_INVERT,
+ p->inversion);
+ else
+ stv0367_writebits(state, F367TER_INV_SPECTR,
+ p->inversion);
+
+ break;
+ }
+
+ if ((ter_state->if_iq_mode != FE_TER_NORMAL_IF_TUNER) &&
+ (ter_state->pBW != ter_state->bw)) {
+ stv0367ter_agc_iir_lock_detect_set(state);
+
+ /*set fine agc target to 180 for LPIF or IQ mode*/
+ /* set Q_AGCTarget */
+ stv0367_writebits(state, F367TER_SEL_IQNTAR, 1);
+ stv0367_writebits(state, F367TER_AUT_AGC_TARGET_MSB, 0xB);
+ /*stv0367_writebits(state,AUT_AGC_TARGET_LSB,0x04); */
+
+ /* set Q_AGCTarget */
+ stv0367_writebits(state, F367TER_SEL_IQNTAR, 0);
+ stv0367_writebits(state, F367TER_AUT_AGC_TARGET_MSB, 0xB);
+ /*stv0367_writebits(state,AUT_AGC_TARGET_LSB,0x04); */
+
+ if (!stv0367_iir_filt_init(state, ter_state->bw,
+ state->config->xtal))
+ return -EINVAL;
+ /*set IIR filter once for 6,7 or 8MHz BW*/
+ ter_state->pBW = ter_state->bw;
+
+ stv0367ter_agc_iir_rst(state);
+ }
+
+ if (ter_state->hierarchy == FE_TER_HIER_LOW_PRIO)
+ stv0367_writebits(state, F367TER_BDI_LPSEL, 0x01);
+ else
+ stv0367_writebits(state, F367TER_BDI_LPSEL, 0x00);
+
+ InternalFreq = stv0367ter_get_mclk(state, state->config->xtal) / 1000;
+ temp = (int)
+ ((((ter_state->bw * 64 * (1 << 15) * 100)
+ / (InternalFreq)) * 10) / 7);
+
+ stv0367_writebits(state, F367TER_TRL_NOMRATE_LSB, temp % 2);
+ temp = temp / 2;
+ stv0367_writebits(state, F367TER_TRL_NOMRATE_HI, temp / 256);
+ stv0367_writebits(state, F367TER_TRL_NOMRATE_LO, temp % 256);
+
+ temp = stv0367_readbits(state, F367TER_TRL_NOMRATE_HI) * 512 +
+ stv0367_readbits(state, F367TER_TRL_NOMRATE_LO) * 2 +
+ stv0367_readbits(state, F367TER_TRL_NOMRATE_LSB);
+ temp = (int)(((1 << 17) * ter_state->bw * 1000) / (7 * (InternalFreq)));
+ stv0367_writebits(state, F367TER_GAIN_SRC_HI, temp / 256);
+ stv0367_writebits(state, F367TER_GAIN_SRC_LO, temp % 256);
+ temp = stv0367_readbits(state, F367TER_GAIN_SRC_HI) * 256 +
+ stv0367_readbits(state, F367TER_GAIN_SRC_LO);
+
+ temp = (int)
+ ((InternalFreq - ifkhz) * (1 << 16) / (InternalFreq));
+
+ dprintk("DEROT temp=0x%x\n", temp);
+ stv0367_writebits(state, F367TER_INC_DEROT_HI, temp / 256);
+ stv0367_writebits(state, F367TER_INC_DEROT_LO, temp % 256);
+
+ ter_state->echo_pos = 0;
+ ter_state->ucblocks = 0; /* liplianin */
+ ter_state->pBER = 0; /* liplianin */
+ stv0367_writebits(state, F367TER_LONG_ECHO, ter_state->echo_pos);
+
+ if (stv0367ter_lock_algo(state) != FE_TER_LOCKOK)
+ return 0;
+
+ ter_state->state = FE_TER_LOCKOK;
+
+ ter_state->mode = stv0367_readbits(state, F367TER_SYR_MODE);
+ ter_state->guard = stv0367_readbits(state, F367TER_SYR_GUARD);
+
+ ter_state->first_lock = 1; /* we know sense now :) */
+
+ ter_state->agc_val =
+ (stv0367_readbits(state, F367TER_AGC1_VAL_LO) << 16) +
+ (stv0367_readbits(state, F367TER_AGC1_VAL_HI) << 24) +
+ stv0367_readbits(state, F367TER_AGC2_VAL_LO) +
+ (stv0367_readbits(state, F367TER_AGC2_VAL_HI) << 8);
+
+ /* Carrier offset calculation */
+ stv0367_writebits(state, F367TER_FREEZE, 1);
+ offset = (stv0367_readbits(state, F367TER_CRL_FOFFSET_VHI) << 16) ;
+ offset += (stv0367_readbits(state, F367TER_CRL_FOFFSET_HI) << 8);
+ offset += (stv0367_readbits(state, F367TER_CRL_FOFFSET_LO));
+ stv0367_writebits(state, F367TER_FREEZE, 0);
+ if (offset > 8388607)
+ offset -= 16777216;
+
+ offset = offset * 2 / 16384;
+
+ if (ter_state->mode == FE_TER_MODE_2K)
+ offset = (offset * 4464) / 1000;/*** 1 FFT BIN=4.464khz***/
+ else if (ter_state->mode == FE_TER_MODE_4K)
+ offset = (offset * 223) / 100;/*** 1 FFT BIN=2.23khz***/
+ else if (ter_state->mode == FE_TER_MODE_8K)
+ offset = (offset * 111) / 100;/*** 1 FFT BIN=1.1khz***/
+
+ if (stv0367_readbits(state, F367TER_PPM_INVSEL) == 1) {
+ if ((stv0367_readbits(state, F367TER_INV_SPECTR) ==
+ (stv0367_readbits(state,
+ F367TER_STATUS_INV_SPECRUM) == 1)))
+ offset = offset * -1;
+ }
+
+ if (ter_state->bw == 6)
+ offset = (offset * 6) / 8;
+ else if (ter_state->bw == 7)
+ offset = (offset * 7) / 8;
+
+ ter_state->frequency += offset;
+
+ tempo = 10; /* exit even if timing_offset stays null */
+ while ((timing_offset == 0) && (tempo > 0)) {
+ usleep_range(10000, 20000); /*was 20ms */
+ /* fine tuning of timing offset if required */
+ timing_offset = stv0367_readbits(state, F367TER_TRL_TOFFSET_LO)
+ + 256 * stv0367_readbits(state,
+ F367TER_TRL_TOFFSET_HI);
+ if (timing_offset >= 32768)
+ timing_offset -= 65536;
+ trl_nomrate = (512 * stv0367_readbits(state,
+ F367TER_TRL_NOMRATE_HI)
+ + stv0367_readbits(state, F367TER_TRL_NOMRATE_LO) * 2
+ + stv0367_readbits(state, F367TER_TRL_NOMRATE_LSB));
+
+ timing_offset = ((signed)(1000000 / trl_nomrate) *
+ timing_offset) / 2048;
+ tempo--;
+ }
+
+ if (timing_offset <= 0) {
+ timing_offset = (timing_offset - 11) / 22;
+ step = -1;
+ } else {
+ timing_offset = (timing_offset + 11) / 22;
+ step = 1;
+ }
+
+ for (counter = 0; counter < abs(timing_offset); counter++) {
+ trl_nomrate += step;
+ stv0367_writebits(state, F367TER_TRL_NOMRATE_LSB,
+ trl_nomrate % 2);
+ stv0367_writebits(state, F367TER_TRL_NOMRATE_LO,
+ trl_nomrate / 2);
+ usleep_range(1000, 2000);
+ }
+
+ usleep_range(5000, 6000);
+ /* unlocks could happen in case of trl centring big step,
+ then a core off/on restarts demod */
+ u_var = stv0367_readbits(state, F367TER_LK);
+
+ if (!u_var) {
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 0);
+ msleep(20);
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 1);
+ }
+
+ return 0;
+}
+
+static int stv0367ter_set_frontend(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+
+ /*u8 trials[2]; */
+ s8 num_trials, index;
+ u8 SenseTrials[] = { INVERSION_ON, INVERSION_OFF };
+
+ if (state->reinit_on_setfrontend)
+ stv0367ter_init(fe);
+
+ if (fe->ops.tuner_ops.set_params) {
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ fe->ops.tuner_ops.set_params(fe);
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+ }
+
+ switch (p->transmission_mode) {
+ default:
+ case TRANSMISSION_MODE_AUTO:
+ case TRANSMISSION_MODE_2K:
+ ter_state->mode = FE_TER_MODE_2K;
+ break;
+/* case TRANSMISSION_MODE_4K:
+ pLook.mode = FE_TER_MODE_4K;
+ break;*/
+ case TRANSMISSION_MODE_8K:
+ ter_state->mode = FE_TER_MODE_8K;
+ break;
+ }
+
+ switch (p->guard_interval) {
+ default:
+ case GUARD_INTERVAL_1_32:
+ case GUARD_INTERVAL_1_16:
+ case GUARD_INTERVAL_1_8:
+ case GUARD_INTERVAL_1_4:
+ ter_state->guard = p->guard_interval;
+ break;
+ case GUARD_INTERVAL_AUTO:
+ ter_state->guard = GUARD_INTERVAL_1_32;
+ break;
+ }
+
+ switch (p->bandwidth_hz) {
+ case 6000000:
+ ter_state->bw = FE_TER_CHAN_BW_6M;
+ break;
+ case 7000000:
+ ter_state->bw = FE_TER_CHAN_BW_7M;
+ break;
+ case 8000000:
+ default:
+ ter_state->bw = FE_TER_CHAN_BW_8M;
+ }
+
+ ter_state->hierarchy = FE_TER_HIER_NONE;
+
+ switch (p->inversion) {
+ case INVERSION_OFF:
+ case INVERSION_ON:
+ num_trials = 1;
+ break;
+ default:
+ num_trials = 2;
+ if (ter_state->first_lock)
+ num_trials = 1;
+ break;
+ }
+
+ ter_state->state = FE_TER_NOLOCK;
+ index = 0;
+
+ while (((index) < num_trials) && (ter_state->state != FE_TER_LOCKOK)) {
+ if (!ter_state->first_lock) {
+ if (p->inversion == INVERSION_AUTO)
+ ter_state->sense = SenseTrials[index];
+
+ }
+ stv0367ter_algo(fe);
+
+ if ((ter_state->state == FE_TER_LOCKOK) &&
+ (p->inversion == INVERSION_AUTO) &&
+ (index == 1)) {
+ /* invert spectrum sense */
+ SenseTrials[index] = SenseTrials[0];
+ SenseTrials[(index + 1) % 2] = (SenseTrials[1] + 1) % 2;
+ }
+
+ index++;
+ }
+
+ return 0;
+}
+
+static int stv0367ter_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+ u32 errs = 0;
+
+ /*wait for counting completion*/
+ if (stv0367_readbits(state, F367TER_SFERRC_OLDVALUE) == 0) {
+ errs =
+ ((u32)stv0367_readbits(state, F367TER_ERR_CNT1)
+ * (1 << 16))
+ + ((u32)stv0367_readbits(state, F367TER_ERR_CNT1_HI)
+ * (1 << 8))
+ + ((u32)stv0367_readbits(state, F367TER_ERR_CNT1_LO));
+ ter_state->ucblocks = errs;
+ }
+
+ (*ucblocks) = ter_state->ucblocks;
+
+ return 0;
+}
+
+static int stv0367ter_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *p)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+ enum stv0367_ter_mode mode;
+ int constell = 0,/* snr = 0,*/ Data = 0;
+
+ p->frequency = stv0367_get_tuner_freq(fe);
+ if ((int)p->frequency < 0)
+ p->frequency = -p->frequency;
+
+ constell = stv0367_readbits(state, F367TER_TPS_CONST);
+ if (constell == 0)
+ p->modulation = QPSK;
+ else if (constell == 1)
+ p->modulation = QAM_16;
+ else
+ p->modulation = QAM_64;
+
+ p->inversion = stv0367_readbits(state, F367TER_INV_SPECTR);
+
+ /* Get the Hierarchical mode */
+ Data = stv0367_readbits(state, F367TER_TPS_HIERMODE);
+
+ switch (Data) {
+ case 0:
+ p->hierarchy = HIERARCHY_NONE;
+ break;
+ case 1:
+ p->hierarchy = HIERARCHY_1;
+ break;
+ case 2:
+ p->hierarchy = HIERARCHY_2;
+ break;
+ case 3:
+ p->hierarchy = HIERARCHY_4;
+ break;
+ default:
+ p->hierarchy = HIERARCHY_AUTO;
+ break; /* error */
+ }
+
+ /* Get the FEC Rate */
+ if (ter_state->hierarchy == FE_TER_HIER_LOW_PRIO)
+ Data = stv0367_readbits(state, F367TER_TPS_LPCODE);
+ else
+ Data = stv0367_readbits(state, F367TER_TPS_HPCODE);
+
+ switch (Data) {
+ case 0:
+ p->code_rate_HP = FEC_1_2;
+ break;
+ case 1:
+ p->code_rate_HP = FEC_2_3;
+ break;
+ case 2:
+ p->code_rate_HP = FEC_3_4;
+ break;
+ case 3:
+ p->code_rate_HP = FEC_5_6;
+ break;
+ case 4:
+ p->code_rate_HP = FEC_7_8;
+ break;
+ default:
+ p->code_rate_HP = FEC_AUTO;
+ break; /* error */
+ }
+
+ mode = stv0367_readbits(state, F367TER_SYR_MODE);
+
+ switch (mode) {
+ case FE_TER_MODE_2K:
+ p->transmission_mode = TRANSMISSION_MODE_2K;
+ break;
+/* case FE_TER_MODE_4K:
+ p->transmission_mode = TRANSMISSION_MODE_4K;
+ break;*/
+ case FE_TER_MODE_8K:
+ p->transmission_mode = TRANSMISSION_MODE_8K;
+ break;
+ default:
+ p->transmission_mode = TRANSMISSION_MODE_AUTO;
+ }
+
+ p->guard_interval = stv0367_readbits(state, F367TER_SYR_GUARD);
+
+ return 0;
+}
+
+static u32 stv0367ter_snr_readreg(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u32 snru32 = 0;
+ int cpt = 0;
+ u8 cut = stv0367_readbits(state, F367TER_IDENTIFICATIONREG);
+
+ while (cpt < 10) {
+ usleep_range(2000, 3000);
+ if (cut == 0x50) /*cut 1.0 cut 1.1*/
+ snru32 += stv0367_readbits(state, F367TER_CHCSNR) / 4;
+ else /*cu2.0*/
+ snru32 += 125 * stv0367_readbits(state, F367TER_CHCSNR);
+
+ cpt++;
+ }
+ snru32 /= 10;/*average on 10 values*/
+
+ return snru32;
+}
+
+static int stv0367ter_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ u32 snrval = stv0367ter_snr_readreg(fe);
+
+ *snr = snrval / 1000;
+
+ return 0;
+}
+
+#if 0
+static int stv0367ter_status(struct dvb_frontend *fe)
+{
+
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+ int locked = FALSE;
+
+ locked = (stv0367_readbits(state, F367TER_LK));
+ if (!locked)
+ ter_state->unlock_counter += 1;
+ else
+ ter_state->unlock_counter = 0;
+
+ if (ter_state->unlock_counter > 2) {
+ if (!stv0367_readbits(state, F367TER_TPS_LOCK) ||
+ (!stv0367_readbits(state, F367TER_LK))) {
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 0);
+ usleep_range(2000, 3000);
+ stv0367_writebits(state, F367TER_CORE_ACTIVE, 1);
+ msleep(350);
+ locked = (stv0367_readbits(state, F367TER_TPS_LOCK)) &&
+ (stv0367_readbits(state, F367TER_LK));
+ }
+
+ }
+
+ return locked;
+}
+#endif
+static int stv0367ter_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ dprintk("%s:\n", __func__);
+
+ *status = 0;
+
+ if (stv0367_readbits(state, F367TER_LK)) {
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI
+ | FE_HAS_SYNC | FE_HAS_LOCK;
+ dprintk("%s: stv0367 has locked\n", __func__);
+ }
+
+ return 0;
+}
+
+static int stv0367ter_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367ter_state *ter_state = state->ter_state;
+ u32 Errors = 0, tber = 0, temporary = 0;
+ int abc = 0, def = 0;
+
+
+ /*wait for counting completion*/
+ if (stv0367_readbits(state, F367TER_SFERRC_OLDVALUE) == 0)
+ Errors = ((u32)stv0367_readbits(state, F367TER_SFEC_ERR_CNT)
+ * (1 << 16))
+ + ((u32)stv0367_readbits(state, F367TER_SFEC_ERR_CNT_HI)
+ * (1 << 8))
+ + ((u32)stv0367_readbits(state,
+ F367TER_SFEC_ERR_CNT_LO));
+ /*measurement not completed, load previous value*/
+ else {
+ tber = ter_state->pBER;
+ return 0;
+ }
+
+ abc = stv0367_readbits(state, F367TER_SFEC_ERR_SOURCE);
+ def = stv0367_readbits(state, F367TER_SFEC_NUM_EVENT);
+
+ if (Errors == 0) {
+ tber = 0;
+ } else if (abc == 0x7) {
+ if (Errors <= 4) {
+ temporary = (Errors * 1000000000) / (8 * (1 << 14));
+ } else if (Errors <= 42) {
+ temporary = (Errors * 100000000) / (8 * (1 << 14));
+ temporary = temporary * 10;
+ } else if (Errors <= 429) {
+ temporary = (Errors * 10000000) / (8 * (1 << 14));
+ temporary = temporary * 100;
+ } else if (Errors <= 4294) {
+ temporary = (Errors * 1000000) / (8 * (1 << 14));
+ temporary = temporary * 1000;
+ } else if (Errors <= 42949) {
+ temporary = (Errors * 100000) / (8 * (1 << 14));
+ temporary = temporary * 10000;
+ } else if (Errors <= 429496) {
+ temporary = (Errors * 10000) / (8 * (1 << 14));
+ temporary = temporary * 100000;
+ } else { /*if (Errors<4294967) 2^22 max error*/
+ temporary = (Errors * 1000) / (8 * (1 << 14));
+ temporary = temporary * 100000; /* still to *10 */
+ }
+
+ /* Byte error*/
+ if (def == 2)
+ /*tber=Errors/(8*(1 <<14));*/
+ tber = temporary;
+ else if (def == 3)
+ /*tber=Errors/(8*(1 <<16));*/
+ tber = temporary / 4;
+ else if (def == 4)
+ /*tber=Errors/(8*(1 <<18));*/
+ tber = temporary / 16;
+ else if (def == 5)
+ /*tber=Errors/(8*(1 <<20));*/
+ tber = temporary / 64;
+ else if (def == 6)
+ /*tber=Errors/(8*(1 <<22));*/
+ tber = temporary / 256;
+ else
+ /* should not pass here*/
+ tber = 0;
+
+ if ((Errors < 4294967) && (Errors > 429496))
+ tber *= 10;
+
+ }
+
+ /* save actual value */
+ ter_state->pBER = tber;
+
+ (*ber) = tber;
+
+ return 0;
+}
+#if 0
+static u32 stv0367ter_get_per(struct stv0367_state *state)
+{
+ struct stv0367ter_state *ter_state = state->ter_state;
+ u32 Errors = 0, Per = 0, temporary = 0;
+ int abc = 0, def = 0, cpt = 0;
+
+ while (((stv0367_readbits(state, F367TER_SFERRC_OLDVALUE) == 1) &&
+ (cpt < 400)) || ((Errors == 0) && (cpt < 400))) {
+ usleep_range(1000, 2000);
+ Errors = ((u32)stv0367_readbits(state, F367TER_ERR_CNT1)
+ * (1 << 16))
+ + ((u32)stv0367_readbits(state, F367TER_ERR_CNT1_HI)
+ * (1 << 8))
+ + ((u32)stv0367_readbits(state, F367TER_ERR_CNT1_LO));
+ cpt++;
+ }
+ abc = stv0367_readbits(state, F367TER_ERR_SRC1);
+ def = stv0367_readbits(state, F367TER_NUM_EVT1);
+
+ if (Errors == 0)
+ Per = 0;
+ else if (abc == 0x9) {
+ if (Errors <= 4) {
+ temporary = (Errors * 1000000000) / (8 * (1 << 8));
+ } else if (Errors <= 42) {
+ temporary = (Errors * 100000000) / (8 * (1 << 8));
+ temporary = temporary * 10;
+ } else if (Errors <= 429) {
+ temporary = (Errors * 10000000) / (8 * (1 << 8));
+ temporary = temporary * 100;
+ } else if (Errors <= 4294) {
+ temporary = (Errors * 1000000) / (8 * (1 << 8));
+ temporary = temporary * 1000;
+ } else if (Errors <= 42949) {
+ temporary = (Errors * 100000) / (8 * (1 << 8));
+ temporary = temporary * 10000;
+ } else { /*if(Errors<=429496) 2^16 errors max*/
+ temporary = (Errors * 10000) / (8 * (1 << 8));
+ temporary = temporary * 100000;
+ }
+
+ /* pkt error*/
+ if (def == 2)
+ /*Per=Errors/(1 << 8);*/
+ Per = temporary;
+ else if (def == 3)
+ /*Per=Errors/(1 << 10);*/
+ Per = temporary / 4;
+ else if (def == 4)
+ /*Per=Errors/(1 << 12);*/
+ Per = temporary / 16;
+ else if (def == 5)
+ /*Per=Errors/(1 << 14);*/
+ Per = temporary / 64;
+ else if (def == 6)
+ /*Per=Errors/(1 << 16);*/
+ Per = temporary / 256;
+ else
+ Per = 0;
+
+ }
+ /* save actual value */
+ ter_state->pPER = Per;
+
+ return Per;
+}
+#endif
+static int stv0367_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings
+ *fe_tune_settings)
+{
+ fe_tune_settings->min_delay_ms = 1000;
+ fe_tune_settings->step_size = 0;
+ fe_tune_settings->max_drift = 0;
+
+ return 0;
+}
+
+static void stv0367_release(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ kfree(state->ter_state);
+ kfree(state->cab_state);
+ kfree(state);
+}
+
+static const struct dvb_frontend_ops stv0367ter_ops = {
+ .delsys = { SYS_DVBT },
+ .info = {
+ .name = "ST STV0367 DVB-T",
+ .frequency_min_hz = 47 * MHz,
+ .frequency_max_hz = 862 * MHz,
+ .frequency_stepsize_hz = 15625,
+ .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
+ FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER |
+ FE_CAN_INVERSION_AUTO |
+ FE_CAN_MUTE_TS
+ },
+ .release = stv0367_release,
+ .init = stv0367ter_init,
+ .sleep = stv0367ter_sleep,
+ .i2c_gate_ctrl = stv0367ter_gate_ctrl,
+ .set_frontend = stv0367ter_set_frontend,
+ .get_frontend = stv0367ter_get_frontend,
+ .get_tune_settings = stv0367_get_tune_settings,
+ .read_status = stv0367ter_read_status,
+ .read_ber = stv0367ter_read_ber,/* too slow */
+/* .read_signal_strength = stv0367_read_signal_strength,*/
+ .read_snr = stv0367ter_read_snr,
+ .read_ucblocks = stv0367ter_read_ucblocks,
+};
+
+struct dvb_frontend *stv0367ter_attach(const struct stv0367_config *config,
+ struct i2c_adapter *i2c)
+{
+ struct stv0367_state *state = NULL;
+ struct stv0367ter_state *ter_state = NULL;
+
+ /* allocate memory for the internal state */
+ state = kzalloc(sizeof(struct stv0367_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+ ter_state = kzalloc(sizeof(struct stv0367ter_state), GFP_KERNEL);
+ if (ter_state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->i2c = i2c;
+ state->config = config;
+ state->ter_state = ter_state;
+ state->fe.ops = stv0367ter_ops;
+ state->fe.demodulator_priv = state;
+ state->chip_id = stv0367_readreg(state, 0xf000);
+
+ /* demod operation options */
+ state->use_i2c_gatectrl = 1;
+ state->deftabs = STV0367_DEFTAB_GENERIC;
+ state->reinit_on_setfrontend = 1;
+ state->auto_if_khz = 0;
+
+ dprintk("%s: chip_id = 0x%x\n", __func__, state->chip_id);
+
+ /* check if the demod is there */
+ if ((state->chip_id != 0x50) && (state->chip_id != 0x60))
+ goto error;
+
+ return &state->fe;
+
+error:
+ kfree(ter_state);
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(stv0367ter_attach);
+
+static int stv0367cab_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ dprintk("%s:\n", __func__);
+
+ stv0367_writebits(state, F367CAB_I2CT_ON, (enable > 0) ? 1 : 0);
+
+ return 0;
+}
+
+static u32 stv0367cab_get_mclk(struct dvb_frontend *fe, u32 ExtClk_Hz)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u32 mclk_Hz = 0;/* master clock frequency (Hz) */
+ u32 M, N, P;
+
+
+ if (stv0367_readbits(state, F367CAB_BYPASS_PLLXN) == 0) {
+ N = (u32)stv0367_readbits(state, F367CAB_PLL_NDIV);
+ if (N == 0)
+ N = N + 1;
+
+ M = (u32)stv0367_readbits(state, F367CAB_PLL_MDIV);
+ if (M == 0)
+ M = M + 1;
+
+ P = (u32)stv0367_readbits(state, F367CAB_PLL_PDIV);
+
+ if (P > 5)
+ P = 5;
+
+ mclk_Hz = ((ExtClk_Hz / 2) * N) / (M * (1 << P));
+ dprintk("stv0367cab_get_mclk BYPASS_PLLXN mclk_Hz=%d\n",
+ mclk_Hz);
+ } else
+ mclk_Hz = ExtClk_Hz;
+
+ dprintk("stv0367cab_get_mclk final mclk_Hz=%d\n", mclk_Hz);
+
+ return mclk_Hz;
+}
+
+static u32 stv0367cab_get_adc_freq(struct dvb_frontend *fe, u32 ExtClk_Hz)
+{
+ u32 ADCClk_Hz = ExtClk_Hz;
+
+ ADCClk_Hz = stv0367cab_get_mclk(fe, ExtClk_Hz);
+
+ return ADCClk_Hz;
+}
+
+static enum stv0367cab_mod stv0367cab_SetQamSize(struct stv0367_state *state,
+ u32 SymbolRate,
+ enum stv0367cab_mod QAMSize)
+{
+ /* Set QAM size */
+ stv0367_writebits(state, F367CAB_QAM_MODE, QAMSize);
+
+ /* Set Registers settings specific to the QAM size */
+ switch (QAMSize) {
+ case FE_CAB_MOD_QAM4:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x00);
+ break;
+ case FE_CAB_MOD_QAM16:
+ stv0367_writereg(state, R367CAB_AGC_PWR_REF_L, 0x64);
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x00);
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0x90);
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xc1);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa7);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LD_SEN, 0x95);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LIMITER, 0x40);
+ stv0367_writereg(state, R367CAB_EQU_PNT_GAIN, 0x8a);
+ break;
+ case FE_CAB_MOD_QAM32:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x00);
+ stv0367_writereg(state, R367CAB_AGC_PWR_REF_L, 0x6e);
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0xb0);
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xc1);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xb7);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LD_SEN, 0x9d);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LIMITER, 0x7f);
+ stv0367_writereg(state, R367CAB_EQU_PNT_GAIN, 0xa7);
+ break;
+ case FE_CAB_MOD_QAM64:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x82);
+ stv0367_writereg(state, R367CAB_AGC_PWR_REF_L, 0x5a);
+ if (SymbolRate > 4500000) {
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0xb0);
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xc1);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa5);
+ } else if (SymbolRate > 2500000) {
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0xa0);
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xc1);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa6);
+ } else {
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0xa0);
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xd1);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa7);
+ }
+ stv0367_writereg(state, R367CAB_EQU_CRL_LD_SEN, 0x95);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LIMITER, 0x40);
+ stv0367_writereg(state, R367CAB_EQU_PNT_GAIN, 0x99);
+ break;
+ case FE_CAB_MOD_QAM128:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x00);
+ stv0367_writereg(state, R367CAB_AGC_PWR_REF_L, 0x76);
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0x90);
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xb1);
+ if (SymbolRate > 4500000)
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa7);
+ else if (SymbolRate > 2500000)
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa6);
+ else
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0x97);
+
+ stv0367_writereg(state, R367CAB_EQU_CRL_LD_SEN, 0x8e);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LIMITER, 0x7f);
+ stv0367_writereg(state, R367CAB_EQU_PNT_GAIN, 0xa7);
+ break;
+ case FE_CAB_MOD_QAM256:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x94);
+ stv0367_writereg(state, R367CAB_AGC_PWR_REF_L, 0x5a);
+ stv0367_writereg(state, R367CAB_FSM_STATE, 0xa0);
+ if (SymbolRate > 4500000)
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xc1);
+ else if (SymbolRate > 2500000)
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xc1);
+ else
+ stv0367_writereg(state, R367CAB_EQU_CTR_LPF_GAIN, 0xd1);
+
+ stv0367_writereg(state, R367CAB_EQU_CRL_LPF_GAIN, 0xa7);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LD_SEN, 0x85);
+ stv0367_writereg(state, R367CAB_EQU_CRL_LIMITER, 0x40);
+ stv0367_writereg(state, R367CAB_EQU_PNT_GAIN, 0xa7);
+ break;
+ case FE_CAB_MOD_QAM512:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x00);
+ break;
+ case FE_CAB_MOD_QAM1024:
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_AGC_REF, 0x00);
+ break;
+ default:
+ break;
+ }
+
+ return QAMSize;
+}
+
+static u32 stv0367cab_set_derot_freq(struct stv0367_state *state,
+ u32 adc_hz, s32 derot_hz)
+{
+ u32 sampled_if = 0;
+ u32 adc_khz;
+
+ adc_khz = adc_hz / 1000;
+
+ dprintk("%s: adc_hz=%d derot_hz=%d\n", __func__, adc_hz, derot_hz);
+
+ if (adc_khz != 0) {
+ if (derot_hz < 1000000)
+ derot_hz = adc_hz / 4; /* ZIF operation */
+ if (derot_hz > adc_hz)
+ derot_hz = derot_hz - adc_hz;
+ sampled_if = (u32)derot_hz / 1000;
+ sampled_if *= 32768;
+ sampled_if /= adc_khz;
+ sampled_if *= 256;
+ }
+
+ if (sampled_if > 8388607)
+ sampled_if = 8388607;
+
+ dprintk("%s: sampled_if=0x%x\n", __func__, sampled_if);
+
+ stv0367_writereg(state, R367CAB_MIX_NCO_LL, sampled_if);
+ stv0367_writereg(state, R367CAB_MIX_NCO_HL, (sampled_if >> 8));
+ stv0367_writebits(state, F367CAB_MIX_NCO_INC_HH, (sampled_if >> 16));
+
+ return derot_hz;
+}
+
+static u32 stv0367cab_get_derot_freq(struct stv0367_state *state, u32 adc_hz)
+{
+ u32 sampled_if;
+
+ sampled_if = stv0367_readbits(state, F367CAB_MIX_NCO_INC_LL) +
+ (stv0367_readbits(state, F367CAB_MIX_NCO_INC_HL) << 8) +
+ (stv0367_readbits(state, F367CAB_MIX_NCO_INC_HH) << 16);
+
+ sampled_if /= 256;
+ sampled_if *= (adc_hz / 1000);
+ sampled_if += 1;
+ sampled_if /= 32768;
+
+ return sampled_if;
+}
+
+static u32 stv0367cab_set_srate(struct stv0367_state *state, u32 adc_hz,
+ u32 mclk_hz, u32 SymbolRate,
+ enum stv0367cab_mod QAMSize)
+{
+ u32 QamSizeCorr = 0;
+ u32 u32_tmp = 0, u32_tmp1 = 0;
+ u32 adp_khz;
+
+ dprintk("%s:\n", __func__);
+
+ /* Set Correction factor of SRC gain */
+ switch (QAMSize) {
+ case FE_CAB_MOD_QAM4:
+ QamSizeCorr = 1110;
+ break;
+ case FE_CAB_MOD_QAM16:
+ QamSizeCorr = 1032;
+ break;
+ case FE_CAB_MOD_QAM32:
+ QamSizeCorr = 954;
+ break;
+ case FE_CAB_MOD_QAM64:
+ QamSizeCorr = 983;
+ break;
+ case FE_CAB_MOD_QAM128:
+ QamSizeCorr = 957;
+ break;
+ case FE_CAB_MOD_QAM256:
+ QamSizeCorr = 948;
+ break;
+ case FE_CAB_MOD_QAM512:
+ QamSizeCorr = 0;
+ break;
+ case FE_CAB_MOD_QAM1024:
+ QamSizeCorr = 944;
+ break;
+ default:
+ break;
+ }
+
+ /* Transfer ratio calculation */
+ if (adc_hz != 0) {
+ u32_tmp = 256 * SymbolRate;
+ u32_tmp = u32_tmp / adc_hz;
+ }
+ stv0367_writereg(state, R367CAB_EQU_CRL_TFR, (u8)u32_tmp);
+
+ /* Symbol rate and SRC gain calculation */
+ adp_khz = (mclk_hz >> 1) / 1000;/* TRL works at half the system clock */
+ if (adp_khz != 0) {
+ u32_tmp = SymbolRate;
+ u32_tmp1 = SymbolRate;
+
+ if (u32_tmp < 2097152) { /* 2097152 = 2^21 */
+ /* Symbol rate calculation */
+ u32_tmp *= 2048; /* 2048 = 2^11 */
+ u32_tmp = u32_tmp / adp_khz;
+ u32_tmp = u32_tmp * 16384; /* 16384 = 2^14 */
+ u32_tmp /= 125 ; /* 125 = 1000/2^3 */
+ u32_tmp = u32_tmp * 8; /* 8 = 2^3 */
+
+ /* SRC Gain Calculation */
+ u32_tmp1 *= 2048; /* *2*2^10 */
+ u32_tmp1 /= 439; /* *2/878 */
+ u32_tmp1 *= 256; /* *2^8 */
+ u32_tmp1 = u32_tmp1 / adp_khz; /* /(AdpClk in kHz) */
+ u32_tmp1 *= QamSizeCorr * 9; /* *1000*corr factor */
+ u32_tmp1 = u32_tmp1 / 10000000;
+
+ } else if (u32_tmp < 4194304) { /* 4194304 = 2**22 */
+ /* Symbol rate calculation */
+ u32_tmp *= 1024 ; /* 1024 = 2**10 */
+ u32_tmp = u32_tmp / adp_khz;
+ u32_tmp = u32_tmp * 16384; /* 16384 = 2**14 */
+ u32_tmp /= 125 ; /* 125 = 1000/2**3 */
+ u32_tmp = u32_tmp * 16; /* 16 = 2**4 */
+
+ /* SRC Gain Calculation */
+ u32_tmp1 *= 1024; /* *2*2^9 */
+ u32_tmp1 /= 439; /* *2/878 */
+ u32_tmp1 *= 256; /* *2^8 */
+ u32_tmp1 = u32_tmp1 / adp_khz; /* /(AdpClk in kHz)*/
+ u32_tmp1 *= QamSizeCorr * 9; /* *1000*corr factor */
+ u32_tmp1 = u32_tmp1 / 5000000;
+ } else if (u32_tmp < 8388607) { /* 8388607 = 2**23 */
+ /* Symbol rate calculation */
+ u32_tmp *= 512 ; /* 512 = 2**9 */
+ u32_tmp = u32_tmp / adp_khz;
+ u32_tmp = u32_tmp * 16384; /* 16384 = 2**14 */
+ u32_tmp /= 125 ; /* 125 = 1000/2**3 */
+ u32_tmp = u32_tmp * 32; /* 32 = 2**5 */
+
+ /* SRC Gain Calculation */
+ u32_tmp1 *= 512; /* *2*2^8 */
+ u32_tmp1 /= 439; /* *2/878 */
+ u32_tmp1 *= 256; /* *2^8 */
+ u32_tmp1 = u32_tmp1 / adp_khz; /* /(AdpClk in kHz) */
+ u32_tmp1 *= QamSizeCorr * 9; /* *1000*corr factor */
+ u32_tmp1 = u32_tmp1 / 2500000;
+ } else {
+ /* Symbol rate calculation */
+ u32_tmp *= 256 ; /* 256 = 2**8 */
+ u32_tmp = u32_tmp / adp_khz;
+ u32_tmp = u32_tmp * 16384; /* 16384 = 2**13 */
+ u32_tmp /= 125 ; /* 125 = 1000/2**3 */
+ u32_tmp = u32_tmp * 64; /* 64 = 2**6 */
+
+ /* SRC Gain Calculation */
+ u32_tmp1 *= 256; /* 2*2^7 */
+ u32_tmp1 /= 439; /* *2/878 */
+ u32_tmp1 *= 256; /* *2^8 */
+ u32_tmp1 = u32_tmp1 / adp_khz; /* /(AdpClk in kHz) */
+ u32_tmp1 *= QamSizeCorr * 9; /* *1000*corr factor */
+ u32_tmp1 = u32_tmp1 / 1250000;
+ }
+ }
+#if 0
+ /* Filters' coefficients are calculated and written
+ into registers only if the filters are enabled */
+ if (stv0367_readbits(state, F367CAB_ADJ_EN)) {
+ stv0367cab_SetIirAdjacentcoefficient(state, mclk_hz,
+ SymbolRate);
+ /* AllPass filter must be enabled
+ when the adjacents filter is used */
+ stv0367_writebits(state, F367CAB_ALLPASSFILT_EN, 1);
+ stv0367cab_SetAllPasscoefficient(state, mclk_hz, SymbolRate);
+ } else
+ /* AllPass filter must be disabled
+ when the adjacents filter is not used */
+#endif
+ stv0367_writebits(state, F367CAB_ALLPASSFILT_EN, 0);
+
+ stv0367_writereg(state, R367CAB_SRC_NCO_LL, u32_tmp);
+ stv0367_writereg(state, R367CAB_SRC_NCO_LH, (u32_tmp >> 8));
+ stv0367_writereg(state, R367CAB_SRC_NCO_HL, (u32_tmp >> 16));
+ stv0367_writereg(state, R367CAB_SRC_NCO_HH, (u32_tmp >> 24));
+
+ stv0367_writereg(state, R367CAB_IQDEM_GAIN_SRC_L, u32_tmp1 & 0x00ff);
+ stv0367_writebits(state, F367CAB_GAIN_SRC_HI, (u32_tmp1 >> 8) & 0x00ff);
+
+ return SymbolRate ;
+}
+
+static u32 stv0367cab_GetSymbolRate(struct stv0367_state *state, u32 mclk_hz)
+{
+ u32 regsym;
+ u32 adp_khz;
+
+ regsym = stv0367_readreg(state, R367CAB_SRC_NCO_LL) +
+ (stv0367_readreg(state, R367CAB_SRC_NCO_LH) << 8) +
+ (stv0367_readreg(state, R367CAB_SRC_NCO_HL) << 16) +
+ (stv0367_readreg(state, R367CAB_SRC_NCO_HH) << 24);
+
+ adp_khz = (mclk_hz >> 1) / 1000;/* TRL works at half the system clock */
+
+ if (regsym < 134217728) { /* 134217728L = 2**27*/
+ regsym = regsym * 32; /* 32 = 2**5 */
+ regsym = regsym / 32768; /* 32768L = 2**15 */
+ regsym = adp_khz * regsym; /* AdpClk in kHz */
+ regsym = regsym / 128; /* 128 = 2**7 */
+ regsym *= 125 ; /* 125 = 1000/2**3 */
+ regsym /= 2048 ; /* 2048 = 2**11 */
+ } else if (regsym < 268435456) { /* 268435456L = 2**28 */
+ regsym = regsym * 16; /* 16 = 2**4 */
+ regsym = regsym / 32768; /* 32768L = 2**15 */
+ regsym = adp_khz * regsym; /* AdpClk in kHz */
+ regsym = regsym / 128; /* 128 = 2**7 */
+ regsym *= 125 ; /* 125 = 1000/2**3*/
+ regsym /= 1024 ; /* 256 = 2**10*/
+ } else if (regsym < 536870912) { /* 536870912L = 2**29*/
+ regsym = regsym * 8; /* 8 = 2**3 */
+ regsym = regsym / 32768; /* 32768L = 2**15 */
+ regsym = adp_khz * regsym; /* AdpClk in kHz */
+ regsym = regsym / 128; /* 128 = 2**7 */
+ regsym *= 125 ; /* 125 = 1000/2**3 */
+ regsym /= 512 ; /* 128 = 2**9 */
+ } else {
+ regsym = regsym * 4; /* 4 = 2**2 */
+ regsym = regsym / 32768; /* 32768L = 2**15 */
+ regsym = adp_khz * regsym; /* AdpClk in kHz */
+ regsym = regsym / 128; /* 128 = 2**7 */
+ regsym *= 125 ; /* 125 = 1000/2**3 */
+ regsym /= 256 ; /* 64 = 2**8 */
+ }
+
+ return regsym;
+}
+
+static u32 stv0367cab_fsm_status(struct stv0367_state *state)
+{
+ return stv0367_readbits(state, F367CAB_FSM_STATUS);
+}
+
+static u32 stv0367cab_qamfec_lock(struct stv0367_state *state)
+{
+ return stv0367_readbits(state,
+ (state->cab_state->qamfec_status_reg ?
+ state->cab_state->qamfec_status_reg :
+ F367CAB_QAMFEC_LOCK));
+}
+
+static
+enum stv0367_cab_signal_type stv0367cab_fsm_signaltype(u32 qam_fsm_status)
+{
+ enum stv0367_cab_signal_type signaltype = FE_CAB_NOAGC;
+
+ switch (qam_fsm_status) {
+ case 1:
+ signaltype = FE_CAB_NOAGC;
+ break;
+ case 2:
+ signaltype = FE_CAB_NOTIMING;
+ break;
+ case 3:
+ signaltype = FE_CAB_TIMINGOK;
+ break;
+ case 4:
+ signaltype = FE_CAB_NOCARRIER;
+ break;
+ case 5:
+ signaltype = FE_CAB_CARRIEROK;
+ break;
+ case 7:
+ signaltype = FE_CAB_NOBLIND;
+ break;
+ case 8:
+ signaltype = FE_CAB_BLINDOK;
+ break;
+ case 10:
+ signaltype = FE_CAB_NODEMOD;
+ break;
+ case 11:
+ signaltype = FE_CAB_DEMODOK;
+ break;
+ case 12:
+ signaltype = FE_CAB_DEMODOK;
+ break;
+ case 13:
+ signaltype = FE_CAB_NODEMOD;
+ break;
+ case 14:
+ signaltype = FE_CAB_NOBLIND;
+ break;
+ case 15:
+ signaltype = FE_CAB_NOSIGNAL;
+ break;
+ default:
+ break;
+ }
+
+ return signaltype;
+}
+
+static int stv0367cab_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ dprintk("%s:\n", __func__);
+
+ *status = 0;
+
+ /* update cab_state->state from QAM_FSM_STATUS */
+ state->cab_state->state = stv0367cab_fsm_signaltype(
+ stv0367cab_fsm_status(state));
+
+ if (stv0367cab_qamfec_lock(state)) {
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI
+ | FE_HAS_SYNC | FE_HAS_LOCK;
+ dprintk("%s: stv0367 has locked\n", __func__);
+ } else {
+ if (state->cab_state->state > FE_CAB_NOSIGNAL)
+ *status |= FE_HAS_SIGNAL;
+
+ if (state->cab_state->state > FE_CAB_NOCARRIER)
+ *status |= FE_HAS_CARRIER;
+
+ if (state->cab_state->state >= FE_CAB_DEMODOK)
+ *status |= FE_HAS_VITERBI;
+
+ if (state->cab_state->state >= FE_CAB_DATAOK)
+ *status |= FE_HAS_SYNC;
+ }
+
+ return 0;
+}
+
+static int stv0367cab_standby(struct dvb_frontend *fe, u8 standby_on)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ dprintk("%s:\n", __func__);
+
+ if (standby_on) {
+ stv0367_writebits(state, F367CAB_BYPASS_PLLXN, 0x03);
+ stv0367_writebits(state, F367CAB_STDBY_PLLXN, 0x01);
+ stv0367_writebits(state, F367CAB_STDBY, 1);
+ stv0367_writebits(state, F367CAB_STDBY_CORE, 1);
+ stv0367_writebits(state, F367CAB_EN_BUFFER_I, 0);
+ stv0367_writebits(state, F367CAB_EN_BUFFER_Q, 0);
+ stv0367_writebits(state, F367CAB_POFFQ, 1);
+ stv0367_writebits(state, F367CAB_POFFI, 1);
+ } else {
+ stv0367_writebits(state, F367CAB_STDBY_PLLXN, 0x00);
+ stv0367_writebits(state, F367CAB_BYPASS_PLLXN, 0x00);
+ stv0367_writebits(state, F367CAB_STDBY, 0);
+ stv0367_writebits(state, F367CAB_STDBY_CORE, 0);
+ stv0367_writebits(state, F367CAB_EN_BUFFER_I, 1);
+ stv0367_writebits(state, F367CAB_EN_BUFFER_Q, 1);
+ stv0367_writebits(state, F367CAB_POFFQ, 0);
+ stv0367_writebits(state, F367CAB_POFFI, 0);
+ }
+
+ return 0;
+}
+
+static int stv0367cab_sleep(struct dvb_frontend *fe)
+{
+ return stv0367cab_standby(fe, 1);
+}
+
+static int stv0367cab_init(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367cab_state *cab_state = state->cab_state;
+
+ dprintk("%s:\n", __func__);
+
+ stv0367_write_table(state,
+ stv0367_deftabs[state->deftabs][STV0367_TAB_CAB]);
+
+ switch (state->config->ts_mode) {
+ case STV0367_DVBCI_CLOCK:
+ dprintk("Setting TSMode = STV0367_DVBCI_CLOCK\n");
+ stv0367_writebits(state, F367CAB_OUTFORMAT, 0x03);
+ break;
+ case STV0367_SERIAL_PUNCT_CLOCK:
+ case STV0367_SERIAL_CONT_CLOCK:
+ stv0367_writebits(state, F367CAB_OUTFORMAT, 0x01);
+ break;
+ case STV0367_PARALLEL_PUNCT_CLOCK:
+ case STV0367_OUTPUTMODE_DEFAULT:
+ stv0367_writebits(state, F367CAB_OUTFORMAT, 0x00);
+ break;
+ }
+
+ switch (state->config->clk_pol) {
+ case STV0367_RISINGEDGE_CLOCK:
+ stv0367_writebits(state, F367CAB_CLK_POLARITY, 0x00);
+ break;
+ case STV0367_FALLINGEDGE_CLOCK:
+ case STV0367_CLOCKPOLARITY_DEFAULT:
+ stv0367_writebits(state, F367CAB_CLK_POLARITY, 0x01);
+ break;
+ }
+
+ stv0367_writebits(state, F367CAB_SYNC_STRIP, 0x00);
+
+ stv0367_writebits(state, F367CAB_CT_NBST, 0x01);
+
+ stv0367_writebits(state, F367CAB_TS_SWAP, 0x01);
+
+ stv0367_writebits(state, F367CAB_FIFO_BYPASS, 0x00);
+
+ stv0367_writereg(state, R367CAB_ANACTRL, 0x00);/*PLL enabled and used */
+
+ cab_state->mclk = stv0367cab_get_mclk(fe, state->config->xtal);
+ cab_state->adc_clk = stv0367cab_get_adc_freq(fe, state->config->xtal);
+
+ return 0;
+}
+static
+enum stv0367_cab_signal_type stv0367cab_algo(struct stv0367_state *state,
+ struct dtv_frontend_properties *p)
+{
+ struct stv0367cab_state *cab_state = state->cab_state;
+ enum stv0367_cab_signal_type signalType = FE_CAB_NOAGC;
+ u32 QAMFEC_Lock, QAM_Lock, u32_tmp, ifkhz,
+ LockTime, TRLTimeOut, AGCTimeOut, CRLSymbols,
+ CRLTimeOut, EQLTimeOut, DemodTimeOut, FECTimeOut;
+ u8 TrackAGCAccum;
+ s32 tmp;
+
+ dprintk("%s:\n", __func__);
+
+ stv0367_get_if_khz(state, &ifkhz);
+
+ /* Timeouts calculation */
+ /* A max lock time of 25 ms is allowed for delayed AGC */
+ AGCTimeOut = 25;
+ /* 100000 symbols needed by the TRL as a maximum value */
+ TRLTimeOut = 100000000 / p->symbol_rate;
+ /* CRLSymbols is the needed number of symbols to achieve a lock
+ within [-4%, +4%] of the symbol rate.
+ CRL timeout is calculated
+ for a lock within [-search_range, +search_range].
+ EQL timeout can be changed depending on
+ the micro-reflections we want to handle.
+ A characterization must be performed
+ with these echoes to get new timeout values.
+ */
+ switch (p->modulation) {
+ case QAM_16:
+ CRLSymbols = 150000;
+ EQLTimeOut = 100;
+ break;
+ case QAM_32:
+ CRLSymbols = 250000;
+ EQLTimeOut = 100;
+ break;
+ case QAM_64:
+ CRLSymbols = 200000;
+ EQLTimeOut = 100;
+ break;
+ case QAM_128:
+ CRLSymbols = 250000;
+ EQLTimeOut = 100;
+ break;
+ case QAM_256:
+ CRLSymbols = 250000;
+ EQLTimeOut = 100;
+ break;
+ default:
+ CRLSymbols = 200000;
+ EQLTimeOut = 100;
+ break;
+ }
+#if 0
+ if (pIntParams->search_range < 0) {
+ CRLTimeOut = (25 * CRLSymbols *
+ (-pIntParams->search_range / 1000)) /
+ (pIntParams->symbol_rate / 1000);
+ } else
+#endif
+ CRLTimeOut = (25 * CRLSymbols * (cab_state->search_range / 1000)) /
+ (p->symbol_rate / 1000);
+
+ CRLTimeOut = (1000 * CRLTimeOut) / p->symbol_rate;
+ /* Timeouts below 50ms are coerced */
+ if (CRLTimeOut < 50)
+ CRLTimeOut = 50;
+ /* A maximum of 100 TS packets is needed to get FEC lock even in case
+ the spectrum inversion needs to be changed.
+ This is equal to 20 ms in case of the lowest symbol rate of 0.87Msps
+ */
+ FECTimeOut = 20;
+ DemodTimeOut = AGCTimeOut + TRLTimeOut + CRLTimeOut + EQLTimeOut;
+
+ dprintk("%s: DemodTimeOut=%d\n", __func__, DemodTimeOut);
+
+ /* Reset the TRL to ensure nothing starts until the
+ AGC is stable which ensures a better lock time
+ */
+ stv0367_writereg(state, R367CAB_CTRL_1, 0x04);
+ /* Set AGC accumulation time to minimum and lock threshold to maximum
+ in order to speed up the AGC lock */
+ TrackAGCAccum = stv0367_readbits(state, F367CAB_AGC_ACCUMRSTSEL);
+ stv0367_writebits(state, F367CAB_AGC_ACCUMRSTSEL, 0x0);
+ /* Modulus Mapper is disabled */
+ stv0367_writebits(state, F367CAB_MODULUSMAP_EN, 0);
+ /* Disable the sweep function */
+ stv0367_writebits(state, F367CAB_SWEEP_EN, 0);
+ /* The sweep function is never used, Sweep rate must be set to 0 */
+ /* Set the derotator frequency in Hz */
+ stv0367cab_set_derot_freq(state, cab_state->adc_clk,
+ (1000 * (s32)ifkhz + cab_state->derot_offset));
+ /* Disable the Allpass Filter when the symbol rate is out of range */
+ if ((p->symbol_rate > 10800000) | (p->symbol_rate < 1800000)) {
+ stv0367_writebits(state, F367CAB_ADJ_EN, 0);
+ stv0367_writebits(state, F367CAB_ALLPASSFILT_EN, 0);
+ }
+#if 0
+ /* Check if the tuner is locked */
+ tuner_lock = stv0367cab_tuner_get_status(fe);
+ if (tuner_lock == 0)
+ return FE_367CAB_NOTUNER;
+#endif
+ /* Release the TRL to start demodulator acquisition */
+ /* Wait for QAM lock */
+ LockTime = 0;
+ stv0367_writereg(state, R367CAB_CTRL_1, 0x00);
+ do {
+ QAM_Lock = stv0367cab_fsm_status(state);
+ if ((LockTime >= (DemodTimeOut - EQLTimeOut)) &&
+ (QAM_Lock == 0x04))
+ /*
+ * We don't wait longer, the frequency/phase offset
+ * must be too big
+ */
+ LockTime = DemodTimeOut;
+ else if ((LockTime >= (AGCTimeOut + TRLTimeOut)) &&
+ (QAM_Lock == 0x02))
+ /*
+ * We don't wait longer, either there is no signal or
+ * it is not the right symbol rate or it is an analog
+ * carrier
+ */
+ {
+ LockTime = DemodTimeOut;
+ u32_tmp = stv0367_readbits(state,
+ F367CAB_AGC_PWR_WORD_LO) +
+ (stv0367_readbits(state,
+ F367CAB_AGC_PWR_WORD_ME) << 8) +
+ (stv0367_readbits(state,
+ F367CAB_AGC_PWR_WORD_HI) << 16);
+ if (u32_tmp >= 131072)
+ u32_tmp = 262144 - u32_tmp;
+ u32_tmp = u32_tmp / (1 << (11 - stv0367_readbits(state,
+ F367CAB_AGC_IF_BWSEL)));
+
+ if (u32_tmp < stv0367_readbits(state,
+ F367CAB_AGC_PWRREF_LO) +
+ 256 * stv0367_readbits(state,
+ F367CAB_AGC_PWRREF_HI) - 10)
+ QAM_Lock = 0x0f;
+ } else {
+ usleep_range(10000, 20000);
+ LockTime += 10;
+ }
+ dprintk("QAM_Lock=0x%x LockTime=%d\n", QAM_Lock, LockTime);
+ tmp = stv0367_readreg(state, R367CAB_IT_STATUS1);
+
+ dprintk("R367CAB_IT_STATUS1=0x%x\n", tmp);
+
+ } while (((QAM_Lock != 0x0c) && (QAM_Lock != 0x0b)) &&
+ (LockTime < DemodTimeOut));
+
+ dprintk("QAM_Lock=0x%x\n", QAM_Lock);
+
+ tmp = stv0367_readreg(state, R367CAB_IT_STATUS1);
+ dprintk("R367CAB_IT_STATUS1=0x%x\n", tmp);
+ tmp = stv0367_readreg(state, R367CAB_IT_STATUS2);
+ dprintk("R367CAB_IT_STATUS2=0x%x\n", tmp);
+
+ tmp = stv0367cab_get_derot_freq(state, cab_state->adc_clk);
+ dprintk("stv0367cab_get_derot_freq=0x%x\n", tmp);
+
+ if ((QAM_Lock == 0x0c) || (QAM_Lock == 0x0b)) {
+ /* Wait for FEC lock */
+ LockTime = 0;
+ do {
+ usleep_range(5000, 7000);
+ LockTime += 5;
+ QAMFEC_Lock = stv0367cab_qamfec_lock(state);
+ } while (!QAMFEC_Lock && (LockTime < FECTimeOut));
+ } else
+ QAMFEC_Lock = 0;
+
+ if (QAMFEC_Lock) {
+ signalType = FE_CAB_DATAOK;
+ cab_state->spect_inv = stv0367_readbits(state,
+ F367CAB_QUAD_INV);
+#if 0
+/* not clear for me */
+ if (ifkhz != 0) {
+ if (ifkhz > cab_state->adc_clk / 1000) {
+ cab_state->freq_khz =
+ FE_Cab_TunerGetFrequency(pIntParams->hTuner)
+ - stv0367cab_get_derot_freq(state, cab_state->adc_clk)
+ - cab_state->adc_clk / 1000 + ifkhz;
+ } else {
+ cab_state->freq_khz =
+ FE_Cab_TunerGetFrequency(pIntParams->hTuner)
+ - stv0367cab_get_derot_freq(state, cab_state->adc_clk)
+ + ifkhz;
+ }
+ } else {
+ cab_state->freq_khz =
+ FE_Cab_TunerGetFrequency(pIntParams->hTuner) +
+ stv0367cab_get_derot_freq(state,
+ cab_state->adc_clk) -
+ cab_state->adc_clk / 4000;
+ }
+#endif
+ cab_state->symbol_rate = stv0367cab_GetSymbolRate(state,
+ cab_state->mclk);
+ cab_state->locked = 1;
+
+ /* stv0367_setbits(state, F367CAB_AGC_ACCUMRSTSEL,7);*/
+ } else
+ signalType = stv0367cab_fsm_signaltype(QAM_Lock);
+
+ /* Set the AGC control values to tracking values */
+ stv0367_writebits(state, F367CAB_AGC_ACCUMRSTSEL, TrackAGCAccum);
+ return signalType;
+}
+
+static int stv0367cab_set_frontend(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367cab_state *cab_state = state->cab_state;
+ enum stv0367cab_mod QAMSize = 0;
+
+ dprintk("%s: freq = %d, srate = %d\n", __func__,
+ p->frequency, p->symbol_rate);
+
+ cab_state->derot_offset = 0;
+
+ switch (p->modulation) {
+ case QAM_16:
+ QAMSize = FE_CAB_MOD_QAM16;
+ break;
+ case QAM_32:
+ QAMSize = FE_CAB_MOD_QAM32;
+ break;
+ case QAM_64:
+ QAMSize = FE_CAB_MOD_QAM64;
+ break;
+ case QAM_128:
+ QAMSize = FE_CAB_MOD_QAM128;
+ break;
+ case QAM_256:
+ QAMSize = FE_CAB_MOD_QAM256;
+ break;
+ default:
+ break;
+ }
+
+ if (state->reinit_on_setfrontend)
+ stv0367cab_init(fe);
+
+ /* Tuner Frequency Setting */
+ if (fe->ops.tuner_ops.set_params) {
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ fe->ops.tuner_ops.set_params(fe);
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+ }
+
+ stv0367cab_SetQamSize(
+ state,
+ p->symbol_rate,
+ QAMSize);
+
+ stv0367cab_set_srate(state,
+ cab_state->adc_clk,
+ cab_state->mclk,
+ p->symbol_rate,
+ QAMSize);
+ /* Search algorithm launch, [-1.1*RangeOffset, +1.1*RangeOffset] scan */
+ cab_state->state = stv0367cab_algo(state, p);
+ return 0;
+}
+
+static int stv0367cab_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *p)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct stv0367cab_state *cab_state = state->cab_state;
+ u32 ifkhz = 0;
+
+ enum stv0367cab_mod QAMSize;
+
+ dprintk("%s:\n", __func__);
+
+ stv0367_get_if_khz(state, &ifkhz);
+ p->symbol_rate = stv0367cab_GetSymbolRate(state, cab_state->mclk);
+
+ QAMSize = stv0367_readbits(state, F367CAB_QAM_MODE);
+ switch (QAMSize) {
+ case FE_CAB_MOD_QAM16:
+ p->modulation = QAM_16;
+ break;
+ case FE_CAB_MOD_QAM32:
+ p->modulation = QAM_32;
+ break;
+ case FE_CAB_MOD_QAM64:
+ p->modulation = QAM_64;
+ break;
+ case FE_CAB_MOD_QAM128:
+ p->modulation = QAM_128;
+ break;
+ case FE_CAB_MOD_QAM256:
+ p->modulation = QAM_256;
+ break;
+ default:
+ break;
+ }
+
+ p->frequency = stv0367_get_tuner_freq(fe);
+
+ dprintk("%s: tuner frequency = %d\n", __func__, p->frequency);
+
+ if (ifkhz == 0) {
+ p->frequency +=
+ (stv0367cab_get_derot_freq(state, cab_state->adc_clk) -
+ cab_state->adc_clk / 4000);
+ return 0;
+ }
+
+ if (ifkhz > cab_state->adc_clk / 1000)
+ p->frequency += (ifkhz
+ - stv0367cab_get_derot_freq(state, cab_state->adc_clk)
+ - cab_state->adc_clk / 1000);
+ else
+ p->frequency += (ifkhz
+ - stv0367cab_get_derot_freq(state, cab_state->adc_clk));
+
+ return 0;
+}
+
+#if 0
+void stv0367cab_GetErrorCount(state, enum stv0367cab_mod QAMSize,
+ u32 symbol_rate, FE_367qam_Monitor *Monitor_results)
+{
+ stv0367cab_OptimiseNByteAndGetBER(state, QAMSize, symbol_rate, Monitor_results);
+ stv0367cab_GetPacketsCount(state, Monitor_results);
+
+ return;
+}
+
+static int stv0367cab_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ return 0;
+}
+#endif
+static s32 stv0367cab_get_rf_lvl(struct stv0367_state *state)
+{
+ s32 rfLevel = 0;
+ s32 RfAgcPwm = 0, IfAgcPwm = 0;
+ u8 i;
+
+ stv0367_writebits(state, F367CAB_STDBY_ADCGP, 0x0);
+
+ RfAgcPwm =
+ (stv0367_readbits(state, F367CAB_RF_AGC1_LEVEL_LO) & 0x03) +
+ (stv0367_readbits(state, F367CAB_RF_AGC1_LEVEL_HI) << 2);
+ RfAgcPwm = 100 * RfAgcPwm / 1023;
+
+ IfAgcPwm =
+ stv0367_readbits(state, F367CAB_AGC_IF_PWMCMD_LO) +
+ (stv0367_readbits(state, F367CAB_AGC_IF_PWMCMD_HI) << 8);
+ if (IfAgcPwm >= 2048)
+ IfAgcPwm -= 2048;
+ else
+ IfAgcPwm += 2048;
+
+ IfAgcPwm = 100 * IfAgcPwm / 4095;
+
+ /* For DTT75467 on NIM */
+ if (RfAgcPwm < 90 && IfAgcPwm < 28) {
+ for (i = 0; i < RF_LOOKUP_TABLE_SIZE; i++) {
+ if (RfAgcPwm <= stv0367cab_RF_LookUp1[0][i]) {
+ rfLevel = (-1) * stv0367cab_RF_LookUp1[1][i];
+ break;
+ }
+ }
+ if (i == RF_LOOKUP_TABLE_SIZE)
+ rfLevel = -56;
+ } else { /*if IF AGC>10*/
+ for (i = 0; i < RF_LOOKUP_TABLE2_SIZE; i++) {
+ if (IfAgcPwm <= stv0367cab_RF_LookUp2[0][i]) {
+ rfLevel = (-1) * stv0367cab_RF_LookUp2[1][i];
+ break;
+ }
+ }
+ if (i == RF_LOOKUP_TABLE2_SIZE)
+ rfLevel = -72;
+ }
+ return rfLevel;
+}
+
+static int stv0367cab_read_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ s32 signal = stv0367cab_get_rf_lvl(state);
+
+ dprintk("%s: signal=%d dBm\n", __func__, signal);
+
+ if (signal <= -72)
+ *strength = 65535;
+ else
+ *strength = (22 + signal) * (-1311);
+
+ dprintk("%s: strength=%d\n", __func__, (*strength));
+
+ return 0;
+}
+
+static int stv0367cab_snr_power(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ enum stv0367cab_mod QAMSize;
+
+ QAMSize = stv0367_readbits(state, F367CAB_QAM_MODE);
+ switch (QAMSize) {
+ case FE_CAB_MOD_QAM4:
+ return 21904;
+ case FE_CAB_MOD_QAM16:
+ return 20480;
+ case FE_CAB_MOD_QAM32:
+ return 23040;
+ case FE_CAB_MOD_QAM64:
+ return 21504;
+ case FE_CAB_MOD_QAM128:
+ return 23616;
+ case FE_CAB_MOD_QAM256:
+ return 21760;
+ case FE_CAB_MOD_QAM1024:
+ return 21280;
+ default:
+ break;
+ }
+
+ return 1;
+}
+
+static int stv0367cab_snr_readreg(struct dvb_frontend *fe, int avgdiv)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u32 regval = 0;
+ int i;
+
+ for (i = 0; i < 10; i++) {
+ regval += (stv0367_readbits(state, F367CAB_SNR_LO)
+ + 256 * stv0367_readbits(state, F367CAB_SNR_HI));
+ }
+
+ if (avgdiv)
+ regval /= 10;
+
+ return regval;
+}
+
+static int stv0367cab_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u32 noisepercentage;
+ u32 regval = 0, temp = 0;
+ int power;
+
+ power = stv0367cab_snr_power(fe);
+ regval = stv0367cab_snr_readreg(fe, 1);
+
+ if (regval != 0) {
+ temp = power
+ * (1 << (3 + stv0367_readbits(state, F367CAB_SNR_PER)));
+ temp /= regval;
+ }
+
+ /* table values, not needed to calculate logarithms */
+ if (temp >= 5012)
+ noisepercentage = 100;
+ else if (temp >= 3981)
+ noisepercentage = 93;
+ else if (temp >= 3162)
+ noisepercentage = 86;
+ else if (temp >= 2512)
+ noisepercentage = 79;
+ else if (temp >= 1995)
+ noisepercentage = 72;
+ else if (temp >= 1585)
+ noisepercentage = 65;
+ else if (temp >= 1259)
+ noisepercentage = 58;
+ else if (temp >= 1000)
+ noisepercentage = 50;
+ else if (temp >= 794)
+ noisepercentage = 43;
+ else if (temp >= 501)
+ noisepercentage = 36;
+ else if (temp >= 316)
+ noisepercentage = 29;
+ else if (temp >= 200)
+ noisepercentage = 22;
+ else if (temp >= 158)
+ noisepercentage = 14;
+ else if (temp >= 126)
+ noisepercentage = 7;
+ else
+ noisepercentage = 0;
+
+ dprintk("%s: noisepercentage=%d\n", __func__, noisepercentage);
+
+ *snr = (noisepercentage * 65535) / 100;
+
+ return 0;
+}
+
+static int stv0367cab_read_ucblcks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ int corrected, tscount;
+
+ *ucblocks = (stv0367_readreg(state, R367CAB_RS_COUNTER_5) << 8)
+ | stv0367_readreg(state, R367CAB_RS_COUNTER_4);
+ corrected = (stv0367_readreg(state, R367CAB_RS_COUNTER_3) << 8)
+ | stv0367_readreg(state, R367CAB_RS_COUNTER_2);
+ tscount = (stv0367_readreg(state, R367CAB_RS_COUNTER_2) << 8)
+ | stv0367_readreg(state, R367CAB_RS_COUNTER_1);
+
+ dprintk("%s: uncorrected blocks=%d corrected blocks=%d tscount=%d\n",
+ __func__, *ucblocks, corrected, tscount);
+
+ return 0;
+};
+
+static const struct dvb_frontend_ops stv0367cab_ops = {
+ .delsys = { SYS_DVBC_ANNEX_A },
+ .info = {
+ .name = "ST STV0367 DVB-C",
+ .frequency_min_hz = 47 * MHz,
+ .frequency_max_hz = 862 * MHz,
+ .frequency_stepsize_hz = 62500,
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ .caps = 0x400 |/* FE_CAN_QAM_4 */
+ FE_CAN_QAM_16 | FE_CAN_QAM_32 |
+ FE_CAN_QAM_64 | FE_CAN_QAM_128 |
+ FE_CAN_QAM_256 | FE_CAN_FEC_AUTO
+ },
+ .release = stv0367_release,
+ .init = stv0367cab_init,
+ .sleep = stv0367cab_sleep,
+ .i2c_gate_ctrl = stv0367cab_gate_ctrl,
+ .set_frontend = stv0367cab_set_frontend,
+ .get_frontend = stv0367cab_get_frontend,
+ .read_status = stv0367cab_read_status,
+/* .read_ber = stv0367cab_read_ber, */
+ .read_signal_strength = stv0367cab_read_strength,
+ .read_snr = stv0367cab_read_snr,
+ .read_ucblocks = stv0367cab_read_ucblcks,
+ .get_tune_settings = stv0367_get_tune_settings,
+};
+
+struct dvb_frontend *stv0367cab_attach(const struct stv0367_config *config,
+ struct i2c_adapter *i2c)
+{
+ struct stv0367_state *state = NULL;
+ struct stv0367cab_state *cab_state = NULL;
+
+ /* allocate memory for the internal state */
+ state = kzalloc(sizeof(struct stv0367_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+ cab_state = kzalloc(sizeof(struct stv0367cab_state), GFP_KERNEL);
+ if (cab_state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->i2c = i2c;
+ state->config = config;
+ cab_state->search_range = 280000;
+ cab_state->qamfec_status_reg = F367CAB_QAMFEC_LOCK;
+ state->cab_state = cab_state;
+ state->fe.ops = stv0367cab_ops;
+ state->fe.demodulator_priv = state;
+ state->chip_id = stv0367_readreg(state, 0xf000);
+
+ /* demod operation options */
+ state->use_i2c_gatectrl = 1;
+ state->deftabs = STV0367_DEFTAB_GENERIC;
+ state->reinit_on_setfrontend = 1;
+ state->auto_if_khz = 0;
+
+ dprintk("%s: chip_id = 0x%x\n", __func__, state->chip_id);
+
+ /* check if the demod is there */
+ if ((state->chip_id != 0x50) && (state->chip_id != 0x60))
+ goto error;
+
+ return &state->fe;
+
+error:
+ kfree(cab_state);
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(stv0367cab_attach);
+
+/*
+ * Functions for operation on Digital Devices hardware
+ */
+
+static void stv0367ddb_setup_ter(struct stv0367_state *state)
+{
+ stv0367_writereg(state, R367TER_DEBUG_LT4, 0x00);
+ stv0367_writereg(state, R367TER_DEBUG_LT5, 0x00);
+ stv0367_writereg(state, R367TER_DEBUG_LT6, 0x00); /* R367CAB_CTRL_1 */
+ stv0367_writereg(state, R367TER_DEBUG_LT7, 0x00); /* R367CAB_CTRL_2 */
+ stv0367_writereg(state, R367TER_DEBUG_LT8, 0x00);
+ stv0367_writereg(state, R367TER_DEBUG_LT9, 0x00);
+
+ /* Tuner Setup */
+ /* Buffer Q disabled, I Enabled, unsigned ADC */
+ stv0367_writereg(state, R367TER_ANADIGCTRL, 0x89);
+ stv0367_writereg(state, R367TER_DUAL_AD12, 0x04); /* ADCQ disabled */
+
+ /* Clock setup */
+ /* PLL bypassed and disabled */
+ stv0367_writereg(state, R367TER_ANACTRL, 0x0D);
+ stv0367_writereg(state, R367TER_TOPCTRL, 0x00); /* Set OFDM */
+
+ /* IC runs at 54 MHz with a 27 MHz crystal */
+ stv0367_pll_setup(state, STV0367_ICSPEED_53125, state->config->xtal);
+
+ msleep(50);
+ /* PLL enabled and used */
+ stv0367_writereg(state, R367TER_ANACTRL, 0x00);
+
+ state->activedemod = demod_ter;
+}
+
+static void stv0367ddb_setup_cab(struct stv0367_state *state)
+{
+ stv0367_writereg(state, R367TER_DEBUG_LT4, 0x00);
+ stv0367_writereg(state, R367TER_DEBUG_LT5, 0x01);
+ stv0367_writereg(state, R367TER_DEBUG_LT6, 0x06); /* R367CAB_CTRL_1 */
+ stv0367_writereg(state, R367TER_DEBUG_LT7, 0x03); /* R367CAB_CTRL_2 */
+ stv0367_writereg(state, R367TER_DEBUG_LT8, 0x00);
+ stv0367_writereg(state, R367TER_DEBUG_LT9, 0x00);
+
+ /* Tuner Setup */
+ /* Buffer Q disabled, I Enabled, signed ADC */
+ stv0367_writereg(state, R367TER_ANADIGCTRL, 0x8B);
+ /* ADCQ disabled */
+ stv0367_writereg(state, R367TER_DUAL_AD12, 0x04);
+
+ /* Clock setup */
+ /* PLL bypassed and disabled */
+ stv0367_writereg(state, R367TER_ANACTRL, 0x0D);
+ /* Set QAM */
+ stv0367_writereg(state, R367TER_TOPCTRL, 0x10);
+
+ /* IC runs at 58 MHz with a 27 MHz crystal */
+ stv0367_pll_setup(state, STV0367_ICSPEED_58000, state->config->xtal);
+
+ msleep(50);
+ /* PLL enabled and used */
+ stv0367_writereg(state, R367TER_ANACTRL, 0x00);
+
+ state->cab_state->mclk = stv0367cab_get_mclk(&state->fe,
+ state->config->xtal);
+ state->cab_state->adc_clk = stv0367cab_get_adc_freq(&state->fe,
+ state->config->xtal);
+
+ state->activedemod = demod_cab;
+}
+
+static int stv0367ddb_set_frontend(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ if (state->activedemod != demod_ter)
+ stv0367ddb_setup_ter(state);
+
+ return stv0367ter_set_frontend(fe);
+ case SYS_DVBC_ANNEX_A:
+ if (state->activedemod != demod_cab)
+ stv0367ddb_setup_cab(state);
+
+ /* protect against division error oopses */
+ if (fe->dtv_property_cache.symbol_rate == 0) {
+ printk(KERN_ERR "Invalid symbol rate\n");
+ return -EINVAL;
+ }
+
+ return stv0367cab_set_frontend(fe);
+ default:
+ break;
+ }
+
+ return -EINVAL;
+}
+
+static void stv0367ddb_read_signal_strength(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ s32 signalstrength;
+
+ switch (state->activedemod) {
+ case demod_cab:
+ signalstrength = stv0367cab_get_rf_lvl(state) * 1000;
+ break;
+ default:
+ p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return;
+ }
+
+ p->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ p->strength.stat[0].uvalue = signalstrength;
+}
+
+static void stv0367ddb_read_snr(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ int cab_pwr;
+ u32 regval, tmpval, snrval = 0;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ snrval = stv0367ter_snr_readreg(fe);
+ break;
+ case demod_cab:
+ cab_pwr = stv0367cab_snr_power(fe);
+ regval = stv0367cab_snr_readreg(fe, 0);
+
+ /* prevent division by zero */
+ if (!regval) {
+ snrval = 0;
+ break;
+ }
+
+ tmpval = (cab_pwr * 320) / regval;
+ snrval = ((tmpval != 0) ? (intlog2(tmpval) / 5581) : 0);
+ break;
+ default:
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return;
+ }
+
+ p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ p->cnr.stat[0].uvalue = snrval;
+}
+
+static void stv0367ddb_read_ucblocks(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u32 ucblocks = 0;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ stv0367ter_read_ucblocks(fe, &ucblocks);
+ break;
+ case demod_cab:
+ stv0367cab_read_ucblcks(fe, &ucblocks);
+ break;
+ default:
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return;
+ }
+
+ p->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ p->block_error.stat[0].uvalue = ucblocks;
+}
+
+static int stv0367ddb_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ int ret = 0;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ ret = stv0367ter_read_status(fe, status);
+ break;
+ case demod_cab:
+ ret = stv0367cab_read_status(fe, status);
+ break;
+ default:
+ break;
+ }
+
+ /* stop and report on *_read_status failure */
+ if (ret)
+ return ret;
+
+ stv0367ddb_read_signal_strength(fe);
+
+ /* read carrier/noise when a carrier is detected */
+ if (*status & FE_HAS_CARRIER)
+ stv0367ddb_read_snr(fe);
+ else
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ /* read uncorrected blocks on FE_HAS_LOCK */
+ if (*status & FE_HAS_LOCK)
+ stv0367ddb_read_ucblocks(fe);
+ else
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ return 0;
+}
+
+static int stv0367ddb_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *p)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ return stv0367ter_get_frontend(fe, p);
+ case demod_cab:
+ return stv0367cab_get_frontend(fe, p);
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int stv0367ddb_sleep(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ state->activedemod = demod_none;
+ return stv0367ter_sleep(fe);
+ case demod_cab:
+ state->activedemod = demod_none;
+ return stv0367cab_sleep(fe);
+ default:
+ break;
+ }
+
+ return -EINVAL;
+}
+
+static int stv0367ddb_init(struct stv0367_state *state)
+{
+ struct stv0367ter_state *ter_state = state->ter_state;
+ struct dtv_frontend_properties *p = &state->fe.dtv_property_cache;
+
+ stv0367_writereg(state, R367TER_TOPCTRL, 0x10);
+
+ if (stv0367_deftabs[state->deftabs][STV0367_TAB_BASE])
+ stv0367_write_table(state,
+ stv0367_deftabs[state->deftabs][STV0367_TAB_BASE]);
+
+ stv0367_write_table(state,
+ stv0367_deftabs[state->deftabs][STV0367_TAB_CAB]);
+
+ stv0367_writereg(state, R367TER_TOPCTRL, 0x00);
+ stv0367_write_table(state,
+ stv0367_deftabs[state->deftabs][STV0367_TAB_TER]);
+
+ stv0367_writereg(state, R367TER_GAIN_SRC1, 0x2A);
+ stv0367_writereg(state, R367TER_GAIN_SRC2, 0xD6);
+ stv0367_writereg(state, R367TER_INC_DEROT1, 0x55);
+ stv0367_writereg(state, R367TER_INC_DEROT2, 0x55);
+ stv0367_writereg(state, R367TER_TRL_CTL, 0x14);
+ stv0367_writereg(state, R367TER_TRL_NOMRATE1, 0xAE);
+ stv0367_writereg(state, R367TER_TRL_NOMRATE2, 0x56);
+ stv0367_writereg(state, R367TER_FEPATH_CFG, 0x0);
+
+ /* OFDM TS Setup */
+
+ stv0367_writereg(state, R367TER_TSCFGH, 0x70);
+ stv0367_writereg(state, R367TER_TSCFGM, 0xC0);
+ stv0367_writereg(state, R367TER_TSCFGL, 0x20);
+ stv0367_writereg(state, R367TER_TSSPEED, 0x40); /* Fixed at 54 MHz */
+
+ stv0367_writereg(state, R367TER_TSCFGH, 0x71);
+ stv0367_writereg(state, R367TER_TSCFGH, 0x70);
+
+ stv0367_writereg(state, R367TER_TOPCTRL, 0x10);
+
+ /* Also needed for QAM */
+ stv0367_writereg(state, R367TER_AGC12C, 0x01); /* AGC Pin setup */
+
+ stv0367_writereg(state, R367TER_AGCCTRL1, 0x8A);
+
+ /* QAM TS setup, note exact format also depends on descrambler */
+ /* settings */
+ /* Inverted Clock, Swap, serial */
+ stv0367_writereg(state, R367CAB_OUTFORMAT_0, 0x85);
+
+ /* Clock setup (PLL bypassed and disabled) */
+ stv0367_writereg(state, R367TER_ANACTRL, 0x0D);
+
+ /* IC runs at 58 MHz with a 27 MHz crystal */
+ stv0367_pll_setup(state, STV0367_ICSPEED_58000, state->config->xtal);
+
+ /* Tuner setup */
+ /* Buffer Q disabled, I Enabled, signed ADC */
+ stv0367_writereg(state, R367TER_ANADIGCTRL, 0x8b);
+ stv0367_writereg(state, R367TER_DUAL_AD12, 0x04); /* ADCQ disabled */
+
+ /* Improves the C/N lock limit */
+ stv0367_writereg(state, R367CAB_FSM_SNR2_HTH, 0x23);
+ /* ZIF/IF Automatic mode */
+ stv0367_writereg(state, R367CAB_IQ_QAM, 0x01);
+ /* Improving burst noise performances */
+ stv0367_writereg(state, R367CAB_EQU_FFE_LEAKAGE, 0x83);
+ /* Improving ACI performances */
+ stv0367_writereg(state, R367CAB_IQDEM_ADJ_EN, 0x05);
+
+ /* PLL enabled and used */
+ stv0367_writereg(state, R367TER_ANACTRL, 0x00);
+
+ stv0367_writereg(state, R367TER_I2CRPT, (0x08 | ((5 & 0x07) << 4)));
+
+ ter_state->pBER = 0;
+ ter_state->first_lock = 0;
+ ter_state->unlock_counter = 2;
+
+ p->strength.len = 1;
+ p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->cnr.len = 1;
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->block_error.len = 1;
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ return 0;
+}
+
+static const struct dvb_frontend_ops stv0367ddb_ops = {
+ .delsys = { SYS_DVBC_ANNEX_A, SYS_DVBT },
+ .info = {
+ .name = "ST STV0367 DDB DVB-C/T",
+ .frequency_min_hz = 47 * MHz,
+ .frequency_max_hz = 865 * MHz,
+ .frequency_stepsize_hz = 166667,
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ .caps = /* DVB-C */
+ 0x400 |/* FE_CAN_QAM_4 */
+ FE_CAN_QAM_16 | FE_CAN_QAM_32 |
+ FE_CAN_QAM_64 | FE_CAN_QAM_128 |
+ FE_CAN_QAM_256 |
+ /* DVB-T */
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK | FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_RECOVER | FE_CAN_INVERSION_AUTO |
+ FE_CAN_MUTE_TS
+ },
+ .release = stv0367_release,
+ .sleep = stv0367ddb_sleep,
+ .i2c_gate_ctrl = stv0367cab_gate_ctrl, /* valid for TER and CAB */
+ .set_frontend = stv0367ddb_set_frontend,
+ .get_frontend = stv0367ddb_get_frontend,
+ .get_tune_settings = stv0367_get_tune_settings,
+ .read_status = stv0367ddb_read_status,
+};
+
+struct dvb_frontend *stv0367ddb_attach(const struct stv0367_config *config,
+ struct i2c_adapter *i2c)
+{
+ struct stv0367_state *state = NULL;
+ struct stv0367ter_state *ter_state = NULL;
+ struct stv0367cab_state *cab_state = NULL;
+
+ /* allocate memory for the internal state */
+ state = kzalloc(sizeof(struct stv0367_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+ ter_state = kzalloc(sizeof(struct stv0367ter_state), GFP_KERNEL);
+ if (ter_state == NULL)
+ goto error;
+ cab_state = kzalloc(sizeof(struct stv0367cab_state), GFP_KERNEL);
+ if (cab_state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->i2c = i2c;
+ state->config = config;
+ state->ter_state = ter_state;
+ cab_state->search_range = 280000;
+ cab_state->qamfec_status_reg = F367CAB_DESCR_SYNCSTATE;
+ state->cab_state = cab_state;
+ state->fe.ops = stv0367ddb_ops;
+ state->fe.demodulator_priv = state;
+ state->chip_id = stv0367_readreg(state, R367TER_ID);
+
+ /* demod operation options */
+ state->use_i2c_gatectrl = 0;
+ state->deftabs = STV0367_DEFTAB_DDB;
+ state->reinit_on_setfrontend = 0;
+ state->auto_if_khz = 1;
+ state->activedemod = demod_none;
+
+ dprintk("%s: chip_id = 0x%x\n", __func__, state->chip_id);
+
+ /* check if the demod is there */
+ if ((state->chip_id != 0x50) && (state->chip_id != 0x60))
+ goto error;
+
+ dev_info(&i2c->dev, "Found %s with ChipID %02X at adr %02X\n",
+ state->fe.ops.info.name, state->chip_id,
+ config->demod_address);
+
+ stv0367ddb_init(state);
+
+ return &state->fe;
+
+error:
+ kfree(cab_state);
+ kfree(ter_state);
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(stv0367ddb_attach);
+
+MODULE_PARM_DESC(debug, "Set debug");
+MODULE_PARM_DESC(i2c_debug, "Set i2c debug");
+
+MODULE_AUTHOR("Igor M. Liplianin");
+MODULE_DESCRIPTION("ST STV0367 DVB-C/T demodulator driver");
+MODULE_LICENSE("GPL");