diff options
Diffstat (limited to 'drivers/media/dvb-frontends/stv0367.c')
| -rw-r--r-- | drivers/media/dvb-frontends/stv0367.c | 3350 |
1 files changed, 3350 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c new file mode 100644 index 0000000000..4832643448 --- /dev/null +++ b/drivers/media/dvb-frontends/stv0367.c @@ -0,0 +1,3350 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * 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> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <linux/i2c.h> + +#include <linux/int_log.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_GPL(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) +{ + return stv0367cab_get_mclk(fe, ExtClk_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_GPL(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_GPL(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"); |