diff options
Diffstat (limited to 'drivers/media/dvb-frontends/dib7000p.c')
-rw-r--r-- | drivers/media/dvb-frontends/dib7000p.c | 2860 |
1 files changed, 2860 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c new file mode 100644 index 000000000..d1e53de52 --- /dev/null +++ b/drivers/media/dvb-frontends/dib7000p.c @@ -0,0 +1,2860 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Linux-DVB Driver for DiBcom's second generation DiB7000P (PC). + * + * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <asm/div64.h> + +#include <media/dvb_math.h> +#include <media/dvb_frontend.h> + +#include "dib7000p.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); + +static int buggy_sfn_workaround; +module_param(buggy_sfn_workaround, int, 0644); +MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (default: 0)"); + +#define dprintk(fmt, arg...) do { \ + if (debug) \ + printk(KERN_DEBUG pr_fmt("%s: " fmt), \ + __func__, ##arg); \ +} while (0) + +struct i2c_device { + struct i2c_adapter *i2c_adap; + u8 i2c_addr; +}; + +struct dib7000p_state { + struct dvb_frontend demod; + struct dib7000p_config cfg; + + u8 i2c_addr; + struct i2c_adapter *i2c_adap; + + struct dibx000_i2c_master i2c_master; + + u16 wbd_ref; + + u8 current_band; + u32 current_bandwidth; + struct dibx000_agc_config *current_agc; + u32 timf; + + u8 div_force_off:1; + u8 div_state:1; + u16 div_sync_wait; + + u8 agc_state; + + u16 gpio_dir; + u16 gpio_val; + + u8 sfn_workaround_active:1; + +#define SOC7090 0x7090 + u16 version; + + u16 tuner_enable; + struct i2c_adapter dib7090_tuner_adap; + + /* for the I2C transfer */ + struct i2c_msg msg[2]; + u8 i2c_write_buffer[4]; + u8 i2c_read_buffer[2]; + struct mutex i2c_buffer_lock; + + u8 input_mode_mpeg; + + /* for DVBv5 stats */ + s64 old_ucb; + unsigned long per_jiffies_stats; + unsigned long ber_jiffies_stats; + unsigned long get_stats_time; +}; + +enum dib7000p_power_mode { + DIB7000P_POWER_ALL = 0, + DIB7000P_POWER_ANALOG_ADC, + DIB7000P_POWER_INTERFACE_ONLY, +}; + +/* dib7090 specific functions */ +static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode); +static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff); +static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode); +static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode); + +static u16 dib7000p_read_word(struct dib7000p_state *state, u16 reg) +{ + u16 ret; + + if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { + dprintk("could not acquire lock\n"); + return 0; + } + + state->i2c_write_buffer[0] = reg >> 8; + state->i2c_write_buffer[1] = reg & 0xff; + + memset(state->msg, 0, 2 * sizeof(struct i2c_msg)); + state->msg[0].addr = state->i2c_addr >> 1; + state->msg[0].flags = 0; + state->msg[0].buf = state->i2c_write_buffer; + state->msg[0].len = 2; + state->msg[1].addr = state->i2c_addr >> 1; + state->msg[1].flags = I2C_M_RD; + state->msg[1].buf = state->i2c_read_buffer; + state->msg[1].len = 2; + + if (i2c_transfer(state->i2c_adap, state->msg, 2) != 2) + dprintk("i2c read error on %d\n", reg); + + ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1]; + mutex_unlock(&state->i2c_buffer_lock); + return ret; +} + +static int dib7000p_write_word(struct dib7000p_state *state, u16 reg, u16 val) +{ + int ret; + + if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { + dprintk("could not acquire lock\n"); + return -EINVAL; + } + + state->i2c_write_buffer[0] = (reg >> 8) & 0xff; + state->i2c_write_buffer[1] = reg & 0xff; + state->i2c_write_buffer[2] = (val >> 8) & 0xff; + state->i2c_write_buffer[3] = val & 0xff; + + memset(&state->msg[0], 0, sizeof(struct i2c_msg)); + state->msg[0].addr = state->i2c_addr >> 1; + state->msg[0].flags = 0; + state->msg[0].buf = state->i2c_write_buffer; + state->msg[0].len = 4; + + ret = (i2c_transfer(state->i2c_adap, state->msg, 1) != 1 ? + -EREMOTEIO : 0); + mutex_unlock(&state->i2c_buffer_lock); + return ret; +} + +static void dib7000p_write_tab(struct dib7000p_state *state, u16 * buf) +{ + u16 l = 0, r, *n; + n = buf; + l = *n++; + while (l) { + r = *n++; + + do { + dib7000p_write_word(state, r, *n++); + r++; + } while (--l); + l = *n++; + } +} + +static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode) +{ + int ret = 0; + u16 outreg, fifo_threshold, smo_mode; + + outreg = 0; + fifo_threshold = 1792; + smo_mode = (dib7000p_read_word(state, 235) & 0x0050) | (1 << 1); + + dprintk("setting output mode for demod %p to %d\n", &state->demod, mode); + + switch (mode) { + case OUTMODE_MPEG2_PAR_GATED_CLK: + outreg = (1 << 10); /* 0x0400 */ + break; + case OUTMODE_MPEG2_PAR_CONT_CLK: + outreg = (1 << 10) | (1 << 6); /* 0x0440 */ + break; + case OUTMODE_MPEG2_SERIAL: + outreg = (1 << 10) | (2 << 6) | (0 << 1); /* 0x0480 */ + break; + case OUTMODE_DIVERSITY: + if (state->cfg.hostbus_diversity) + outreg = (1 << 10) | (4 << 6); /* 0x0500 */ + else + outreg = (1 << 11); + break; + case OUTMODE_MPEG2_FIFO: + smo_mode |= (3 << 1); + fifo_threshold = 512; + outreg = (1 << 10) | (5 << 6); + break; + case OUTMODE_ANALOG_ADC: + outreg = (1 << 10) | (3 << 6); + break; + case OUTMODE_HIGH_Z: + outreg = 0; + break; + default: + dprintk("Unhandled output_mode passed to be set for demod %p\n", &state->demod); + break; + } + + if (state->cfg.output_mpeg2_in_188_bytes) + smo_mode |= (1 << 5); + + ret |= dib7000p_write_word(state, 235, smo_mode); + ret |= dib7000p_write_word(state, 236, fifo_threshold); /* synchronous fread */ + if (state->version != SOC7090) + ret |= dib7000p_write_word(state, 1286, outreg); /* P_Div_active */ + + return ret; +} + +static int dib7000p_set_diversity_in(struct dvb_frontend *demod, int onoff) +{ + struct dib7000p_state *state = demod->demodulator_priv; + + if (state->div_force_off) { + dprintk("diversity combination deactivated - forced by COFDM parameters\n"); + onoff = 0; + dib7000p_write_word(state, 207, 0); + } else + dib7000p_write_word(state, 207, (state->div_sync_wait << 4) | (1 << 2) | (2 << 0)); + + state->div_state = (u8) onoff; + + if (onoff) { + dib7000p_write_word(state, 204, 6); + dib7000p_write_word(state, 205, 16); + /* P_dvsy_sync_mode = 0, P_dvsy_sync_enable=1, P_dvcb_comb_mode=2 */ + } else { + dib7000p_write_word(state, 204, 1); + dib7000p_write_word(state, 205, 0); + } + + return 0; +} + +static int dib7000p_set_power_mode(struct dib7000p_state *state, enum dib7000p_power_mode mode) +{ + /* by default everything is powered off */ + u16 reg_774 = 0x3fff, reg_775 = 0xffff, reg_776 = 0x0007, reg_899 = 0x0003, reg_1280 = (0xfe00) | (dib7000p_read_word(state, 1280) & 0x01ff); + + /* now, depending on the requested mode, we power on */ + switch (mode) { + /* power up everything in the demod */ + case DIB7000P_POWER_ALL: + reg_774 = 0x0000; + reg_775 = 0x0000; + reg_776 = 0x0; + reg_899 = 0x0; + if (state->version == SOC7090) + reg_1280 &= 0x001f; + else + reg_1280 &= 0x01ff; + break; + + case DIB7000P_POWER_ANALOG_ADC: + /* dem, cfg, iqc, sad, agc */ + reg_774 &= ~((1 << 15) | (1 << 14) | (1 << 11) | (1 << 10) | (1 << 9)); + /* nud */ + reg_776 &= ~((1 << 0)); + /* Dout */ + if (state->version != SOC7090) + reg_1280 &= ~((1 << 11)); + reg_1280 &= ~(1 << 6); + fallthrough; + case DIB7000P_POWER_INTERFACE_ONLY: + /* just leave power on the control-interfaces: GPIO and (I2C or SDIO) */ + /* TODO power up either SDIO or I2C */ + if (state->version == SOC7090) + reg_1280 &= ~((1 << 7) | (1 << 5)); + else + reg_1280 &= ~((1 << 14) | (1 << 13) | (1 << 12) | (1 << 10)); + break; + +/* TODO following stuff is just converted from the dib7000-driver - check when is used what */ + } + + dib7000p_write_word(state, 774, reg_774); + dib7000p_write_word(state, 775, reg_775); + dib7000p_write_word(state, 776, reg_776); + dib7000p_write_word(state, 1280, reg_1280); + if (state->version != SOC7090) + dib7000p_write_word(state, 899, reg_899); + + return 0; +} + +static void dib7000p_set_adc_state(struct dib7000p_state *state, enum dibx000_adc_states no) +{ + u16 reg_908 = 0, reg_909 = 0; + u16 reg; + + if (state->version != SOC7090) { + reg_908 = dib7000p_read_word(state, 908); + reg_909 = dib7000p_read_word(state, 909); + } + + switch (no) { + case DIBX000_SLOW_ADC_ON: + if (state->version == SOC7090) { + reg = dib7000p_read_word(state, 1925); + + dib7000p_write_word(state, 1925, reg | (1 << 4) | (1 << 2)); /* en_slowAdc = 1 & reset_sladc = 1 */ + + reg = dib7000p_read_word(state, 1925); /* read access to make it works... strange ... */ + msleep(200); + dib7000p_write_word(state, 1925, reg & ~(1 << 4)); /* en_slowAdc = 1 & reset_sladc = 0 */ + + reg = dib7000p_read_word(state, 72) & ~((0x3 << 14) | (0x3 << 12)); + dib7000p_write_word(state, 72, reg | (1 << 14) | (3 << 12) | 524); /* ref = Vin1 => Vbg ; sel = Vin0 or Vin3 ; (Vin2 = Vcm) */ + } else { + reg_909 |= (1 << 1) | (1 << 0); + dib7000p_write_word(state, 909, reg_909); + reg_909 &= ~(1 << 1); + } + break; + + case DIBX000_SLOW_ADC_OFF: + if (state->version == SOC7090) { + reg = dib7000p_read_word(state, 1925); + dib7000p_write_word(state, 1925, (reg & ~(1 << 2)) | (1 << 4)); /* reset_sladc = 1 en_slowAdc = 0 */ + } else + reg_909 |= (1 << 1) | (1 << 0); + break; + + case DIBX000_ADC_ON: + reg_908 &= 0x0fff; + reg_909 &= 0x0003; + break; + + case DIBX000_ADC_OFF: + reg_908 |= (1 << 14) | (1 << 13) | (1 << 12); + reg_909 |= (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2); + break; + + case DIBX000_VBG_ENABLE: + reg_908 &= ~(1 << 15); + break; + + case DIBX000_VBG_DISABLE: + reg_908 |= (1 << 15); + break; + + default: + break; + } + +// dprintk( "908: %x, 909: %x\n", reg_908, reg_909); + + reg_909 |= (state->cfg.disable_sample_and_hold & 1) << 4; + reg_908 |= (state->cfg.enable_current_mirror & 1) << 7; + + if (state->version != SOC7090) { + dib7000p_write_word(state, 908, reg_908); + dib7000p_write_word(state, 909, reg_909); + } +} + +static int dib7000p_set_bandwidth(struct dib7000p_state *state, u32 bw) +{ + u32 timf; + + // store the current bandwidth for later use + state->current_bandwidth = bw; + + if (state->timf == 0) { + dprintk("using default timf\n"); + timf = state->cfg.bw->timf; + } else { + dprintk("using updated timf\n"); + timf = state->timf; + } + + timf = timf * (bw / 50) / 160; + + dib7000p_write_word(state, 23, (u16) ((timf >> 16) & 0xffff)); + dib7000p_write_word(state, 24, (u16) ((timf) & 0xffff)); + + return 0; +} + +static int dib7000p_sad_calib(struct dib7000p_state *state) +{ +/* internal */ + dib7000p_write_word(state, 73, (0 << 1) | (0 << 0)); + + if (state->version == SOC7090) + dib7000p_write_word(state, 74, 2048); + else + dib7000p_write_word(state, 74, 776); + + /* do the calibration */ + dib7000p_write_word(state, 73, (1 << 0)); + dib7000p_write_word(state, 73, (0 << 0)); + + msleep(1); + + return 0; +} + +static int dib7000p_set_wbd_ref(struct dvb_frontend *demod, u16 value) +{ + struct dib7000p_state *state = demod->demodulator_priv; + if (value > 4095) + value = 4095; + state->wbd_ref = value; + return dib7000p_write_word(state, 105, (dib7000p_read_word(state, 105) & 0xf000) | value); +} + +static int dib7000p_get_agc_values(struct dvb_frontend *fe, + u16 *agc_global, u16 *agc1, u16 *agc2, u16 *wbd) +{ + struct dib7000p_state *state = fe->demodulator_priv; + + if (agc_global != NULL) + *agc_global = dib7000p_read_word(state, 394); + if (agc1 != NULL) + *agc1 = dib7000p_read_word(state, 392); + if (agc2 != NULL) + *agc2 = dib7000p_read_word(state, 393); + if (wbd != NULL) + *wbd = dib7000p_read_word(state, 397); + + return 0; +} + +static int dib7000p_set_agc1_min(struct dvb_frontend *fe, u16 v) +{ + struct dib7000p_state *state = fe->demodulator_priv; + return dib7000p_write_word(state, 108, v); +} + +static void dib7000p_reset_pll(struct dib7000p_state *state) +{ + struct dibx000_bandwidth_config *bw = &state->cfg.bw[0]; + u16 clk_cfg0; + + if (state->version == SOC7090) { + dib7000p_write_word(state, 1856, (!bw->pll_reset << 13) | (bw->pll_range << 12) | (bw->pll_ratio << 6) | (bw->pll_prediv)); + + while (((dib7000p_read_word(state, 1856) >> 15) & 0x1) != 1) + ; + + dib7000p_write_word(state, 1857, dib7000p_read_word(state, 1857) | (!bw->pll_bypass << 15)); + } else { + /* force PLL bypass */ + clk_cfg0 = (1 << 15) | ((bw->pll_ratio & 0x3f) << 9) | + (bw->modulo << 7) | (bw->ADClkSrc << 6) | (bw->IO_CLK_en_core << 5) | (bw->bypclk_div << 2) | (bw->enable_refdiv << 1) | (0 << 0); + + dib7000p_write_word(state, 900, clk_cfg0); + + /* P_pll_cfg */ + dib7000p_write_word(state, 903, (bw->pll_prediv << 5) | (((bw->pll_ratio >> 6) & 0x3) << 3) | (bw->pll_range << 1) | bw->pll_reset); + clk_cfg0 = (bw->pll_bypass << 15) | (clk_cfg0 & 0x7fff); + dib7000p_write_word(state, 900, clk_cfg0); + } + + dib7000p_write_word(state, 18, (u16) (((bw->internal * 1000) >> 16) & 0xffff)); + dib7000p_write_word(state, 19, (u16) ((bw->internal * 1000) & 0xffff)); + dib7000p_write_word(state, 21, (u16) ((bw->ifreq >> 16) & 0xffff)); + dib7000p_write_word(state, 22, (u16) ((bw->ifreq) & 0xffff)); + + dib7000p_write_word(state, 72, bw->sad_cfg); +} + +static u32 dib7000p_get_internal_freq(struct dib7000p_state *state) +{ + u32 internal = (u32) dib7000p_read_word(state, 18) << 16; + internal |= (u32) dib7000p_read_word(state, 19); + internal /= 1000; + + return internal; +} + +static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth_config *bw) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 reg_1857, reg_1856 = dib7000p_read_word(state, 1856); + u8 loopdiv, prediv; + u32 internal, xtal; + + /* get back old values */ + prediv = reg_1856 & 0x3f; + loopdiv = (reg_1856 >> 6) & 0x3f; + + if (loopdiv && bw && (bw->pll_prediv != prediv || bw->pll_ratio != loopdiv)) { + dprintk("Updating pll (prediv: old = %d new = %d ; loopdiv : old = %d new = %d)\n", prediv, bw->pll_prediv, loopdiv, bw->pll_ratio); + reg_1856 &= 0xf000; + reg_1857 = dib7000p_read_word(state, 1857); + dib7000p_write_word(state, 1857, reg_1857 & ~(1 << 15)); + + dib7000p_write_word(state, 1856, reg_1856 | ((bw->pll_ratio & 0x3f) << 6) | (bw->pll_prediv & 0x3f)); + + /* write new system clk into P_sec_len */ + internal = dib7000p_get_internal_freq(state); + xtal = (internal / loopdiv) * prediv; + internal = 1000 * (xtal / bw->pll_prediv) * bw->pll_ratio; /* new internal */ + dib7000p_write_word(state, 18, (u16) ((internal >> 16) & 0xffff)); + dib7000p_write_word(state, 19, (u16) (internal & 0xffff)); + + dib7000p_write_word(state, 1857, reg_1857 | (1 << 15)); + + while (((dib7000p_read_word(state, 1856) >> 15) & 0x1) != 1) + dprintk("Waiting for PLL to lock\n"); + + return 0; + } + return -EIO; +} + +static int dib7000p_reset_gpio(struct dib7000p_state *st) +{ + /* reset the GPIOs */ + dprintk("gpio dir: %x: val: %x, pwm_pos: %x\n", st->gpio_dir, st->gpio_val, st->cfg.gpio_pwm_pos); + + dib7000p_write_word(st, 1029, st->gpio_dir); + dib7000p_write_word(st, 1030, st->gpio_val); + + /* TODO 1031 is P_gpio_od */ + + dib7000p_write_word(st, 1032, st->cfg.gpio_pwm_pos); + + dib7000p_write_word(st, 1037, st->cfg.pwm_freq_div); + return 0; +} + +static int dib7000p_cfg_gpio(struct dib7000p_state *st, u8 num, u8 dir, u8 val) +{ + st->gpio_dir = dib7000p_read_word(st, 1029); + st->gpio_dir &= ~(1 << num); /* reset the direction bit */ + st->gpio_dir |= (dir & 0x1) << num; /* set the new direction */ + dib7000p_write_word(st, 1029, st->gpio_dir); + + st->gpio_val = dib7000p_read_word(st, 1030); + st->gpio_val &= ~(1 << num); /* reset the direction bit */ + st->gpio_val |= (val & 0x01) << num; /* set the new value */ + dib7000p_write_word(st, 1030, st->gpio_val); + + return 0; +} + +static int dib7000p_set_gpio(struct dvb_frontend *demod, u8 num, u8 dir, u8 val) +{ + struct dib7000p_state *state = demod->demodulator_priv; + return dib7000p_cfg_gpio(state, num, dir, val); +} + +static u16 dib7000p_defaults[] = { + // auto search configuration + 3, 2, + 0x0004, + (1<<3)|(1<<11)|(1<<12)|(1<<13), + 0x0814, /* Equal Lock */ + + 12, 6, + 0x001b, + 0x7740, + 0x005b, + 0x8d80, + 0x01c9, + 0xc380, + 0x0000, + 0x0080, + 0x0000, + 0x0090, + 0x0001, + 0xd4c0, + + 1, 26, + 0x6680, + + /* set ADC level to -16 */ + 11, 79, + (1 << 13) - 825 - 117, + (1 << 13) - 837 - 117, + (1 << 13) - 811 - 117, + (1 << 13) - 766 - 117, + (1 << 13) - 737 - 117, + (1 << 13) - 693 - 117, + (1 << 13) - 648 - 117, + (1 << 13) - 619 - 117, + (1 << 13) - 575 - 117, + (1 << 13) - 531 - 117, + (1 << 13) - 501 - 117, + + 1, 142, + 0x0410, + + /* disable power smoothing */ + 8, 145, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + + 1, 154, + 1 << 13, + + 1, 168, + 0x0ccd, + + 1, 183, + 0x200f, + + 1, 212, + 0x169, + + 5, 187, + 0x023d, + 0x00a4, + 0x00a4, + 0x7ff0, + 0x3ccc, + + 1, 198, + 0x800, + + 1, 222, + 0x0010, + + 1, 235, + 0x0062, + + 0, +}; + +static void dib7000p_reset_stats(struct dvb_frontend *fe); + +static int dib7000p_demod_reset(struct dib7000p_state *state) +{ + dib7000p_set_power_mode(state, DIB7000P_POWER_ALL); + + if (state->version == SOC7090) + dibx000_reset_i2c_master(&state->i2c_master); + + dib7000p_set_adc_state(state, DIBX000_VBG_ENABLE); + + /* restart all parts */ + dib7000p_write_word(state, 770, 0xffff); + dib7000p_write_word(state, 771, 0xffff); + dib7000p_write_word(state, 772, 0x001f); + dib7000p_write_word(state, 1280, 0x001f - ((1 << 4) | (1 << 3))); + + dib7000p_write_word(state, 770, 0); + dib7000p_write_word(state, 771, 0); + dib7000p_write_word(state, 772, 0); + dib7000p_write_word(state, 1280, 0); + + if (state->version != SOC7090) { + dib7000p_write_word(state, 898, 0x0003); + dib7000p_write_word(state, 898, 0); + } + + /* default */ + dib7000p_reset_pll(state); + + if (dib7000p_reset_gpio(state) != 0) + dprintk("GPIO reset was not successful.\n"); + + if (state->version == SOC7090) { + dib7000p_write_word(state, 899, 0); + + /* impulse noise */ + dib7000p_write_word(state, 42, (1<<5) | 3); /* P_iqc_thsat_ipc = 1 ; P_iqc_win2 = 3 */ + dib7000p_write_word(state, 43, 0x2d4); /*-300 fag P_iqc_dect_min = -280 */ + dib7000p_write_word(state, 44, 300); /* 300 fag P_iqc_dect_min = +280 */ + dib7000p_write_word(state, 273, (0<<6) | 30); + } + if (dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) != 0) + dprintk("OUTPUT_MODE could not be reset.\n"); + + dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_ON); + dib7000p_sad_calib(state); + dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_OFF); + + /* unforce divstr regardless whether i2c enumeration was done or not */ + dib7000p_write_word(state, 1285, dib7000p_read_word(state, 1285) & ~(1 << 1)); + + dib7000p_set_bandwidth(state, 8000); + + if (state->version == SOC7090) { + dib7000p_write_word(state, 36, 0x0755);/* P_iqc_impnc_on =1 & P_iqc_corr_inh = 1 for impulsive noise */ + } else { + if (state->cfg.tuner_is_baseband) + dib7000p_write_word(state, 36, 0x0755); + else + dib7000p_write_word(state, 36, 0x1f55); + } + + dib7000p_write_tab(state, dib7000p_defaults); + if (state->version != SOC7090) { + dib7000p_write_word(state, 901, 0x0006); + dib7000p_write_word(state, 902, (3 << 10) | (1 << 6)); + dib7000p_write_word(state, 905, 0x2c8e); + } + + dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY); + + return 0; +} + +static void dib7000p_pll_clk_cfg(struct dib7000p_state *state) +{ + u16 tmp = 0; + tmp = dib7000p_read_word(state, 903); + dib7000p_write_word(state, 903, (tmp | 0x1)); + tmp = dib7000p_read_word(state, 900); + dib7000p_write_word(state, 900, (tmp & 0x7fff) | (1 << 6)); +} + +static void dib7000p_restart_agc(struct dib7000p_state *state) +{ + // P_restart_iqc & P_restart_agc + dib7000p_write_word(state, 770, (1 << 11) | (1 << 9)); + dib7000p_write_word(state, 770, 0x0000); +} + +static int dib7000p_update_lna(struct dib7000p_state *state) +{ + u16 dyn_gain; + + if (state->cfg.update_lna) { + dyn_gain = dib7000p_read_word(state, 394); + if (state->cfg.update_lna(&state->demod, dyn_gain)) { + dib7000p_restart_agc(state); + return 1; + } + } + + return 0; +} + +static int dib7000p_set_agc_config(struct dib7000p_state *state, u8 band) +{ + struct dibx000_agc_config *agc = NULL; + int i; + if (state->current_band == band && state->current_agc != NULL) + return 0; + state->current_band = band; + + for (i = 0; i < state->cfg.agc_config_count; i++) + if (state->cfg.agc[i].band_caps & band) { + agc = &state->cfg.agc[i]; + break; + } + + if (agc == NULL) { + dprintk("no valid AGC configuration found for band 0x%02x\n", band); + return -EINVAL; + } + + state->current_agc = agc; + + /* AGC */ + dib7000p_write_word(state, 75, agc->setup); + dib7000p_write_word(state, 76, agc->inv_gain); + dib7000p_write_word(state, 77, agc->time_stabiliz); + dib7000p_write_word(state, 100, (agc->alpha_level << 12) | agc->thlock); + + // Demod AGC loop configuration + dib7000p_write_word(state, 101, (agc->alpha_mant << 5) | agc->alpha_exp); + dib7000p_write_word(state, 102, (agc->beta_mant << 6) | agc->beta_exp); + + /* AGC continued */ + dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d\n", + state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel); + + if (state->wbd_ref != 0) + dib7000p_write_word(state, 105, (agc->wbd_inv << 12) | state->wbd_ref); + else + dib7000p_write_word(state, 105, (agc->wbd_inv << 12) | agc->wbd_ref); + + dib7000p_write_word(state, 106, (agc->wbd_sel << 13) | (agc->wbd_alpha << 9) | (agc->perform_agc_softsplit << 8)); + + dib7000p_write_word(state, 107, agc->agc1_max); + dib7000p_write_word(state, 108, agc->agc1_min); + dib7000p_write_word(state, 109, agc->agc2_max); + dib7000p_write_word(state, 110, agc->agc2_min); + dib7000p_write_word(state, 111, (agc->agc1_pt1 << 8) | agc->agc1_pt2); + dib7000p_write_word(state, 112, agc->agc1_pt3); + dib7000p_write_word(state, 113, (agc->agc1_slope1 << 8) | agc->agc1_slope2); + dib7000p_write_word(state, 114, (agc->agc2_pt1 << 8) | agc->agc2_pt2); + dib7000p_write_word(state, 115, (agc->agc2_slope1 << 8) | agc->agc2_slope2); + return 0; +} + +static int dib7000p_set_dds(struct dib7000p_state *state, s32 offset_khz) +{ + u32 internal = dib7000p_get_internal_freq(state); + s32 unit_khz_dds_val; + u32 abs_offset_khz = abs(offset_khz); + u32 dds = state->cfg.bw->ifreq & 0x1ffffff; + u8 invert = !!(state->cfg.bw->ifreq & (1 << 25)); + if (internal == 0) { + pr_warn("DIB7000P: dib7000p_get_internal_freq returned 0\n"); + return -1; + } + /* 2**26 / Fsampling is the unit 1KHz offset */ + unit_khz_dds_val = 67108864 / (internal); + + dprintk("setting a frequency offset of %dkHz internal freq = %d invert = %d\n", offset_khz, internal, invert); + + if (offset_khz < 0) + unit_khz_dds_val *= -1; + + /* IF tuner */ + if (invert) + dds -= (abs_offset_khz * unit_khz_dds_val); /* /100 because of /100 on the unit_khz_dds_val line calc for better accuracy */ + else + dds += (abs_offset_khz * unit_khz_dds_val); + + if (abs_offset_khz <= (internal / 2)) { /* Max dds offset is the half of the demod freq */ + dib7000p_write_word(state, 21, (u16) (((dds >> 16) & 0x1ff) | (0 << 10) | (invert << 9))); + dib7000p_write_word(state, 22, (u16) (dds & 0xffff)); + } + return 0; +} + +static int dib7000p_agc_startup(struct dvb_frontend *demod) +{ + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; + struct dib7000p_state *state = demod->demodulator_priv; + int ret = -1; + u8 *agc_state = &state->agc_state; + u8 agc_split; + u16 reg; + u32 upd_demod_gain_period = 0x1000; + s32 frequency_offset = 0; + + switch (state->agc_state) { + case 0: + dib7000p_set_power_mode(state, DIB7000P_POWER_ALL); + if (state->version == SOC7090) { + reg = dib7000p_read_word(state, 0x79b) & 0xff00; + dib7000p_write_word(state, 0x79a, upd_demod_gain_period & 0xFFFF); /* lsb */ + dib7000p_write_word(state, 0x79b, reg | (1 << 14) | ((upd_demod_gain_period >> 16) & 0xFF)); + + /* enable adc i & q */ + reg = dib7000p_read_word(state, 0x780); + dib7000p_write_word(state, 0x780, (reg | (0x3)) & (~(1 << 7))); + } else { + dib7000p_set_adc_state(state, DIBX000_ADC_ON); + dib7000p_pll_clk_cfg(state); + } + + if (dib7000p_set_agc_config(state, BAND_OF_FREQUENCY(ch->frequency / 1000)) != 0) + return -1; + + if (demod->ops.tuner_ops.get_frequency) { + u32 frequency_tuner; + + demod->ops.tuner_ops.get_frequency(demod, &frequency_tuner); + frequency_offset = (s32)frequency_tuner / 1000 - ch->frequency / 1000; + } + + if (dib7000p_set_dds(state, frequency_offset) < 0) + return -1; + + ret = 7; + (*agc_state)++; + break; + + case 1: + if (state->cfg.agc_control) + state->cfg.agc_control(&state->demod, 1); + + dib7000p_write_word(state, 78, 32768); + if (!state->current_agc->perform_agc_softsplit) { + /* we are using the wbd - so slow AGC startup */ + /* force 0 split on WBD and restart AGC */ + dib7000p_write_word(state, 106, (state->current_agc->wbd_sel << 13) | (state->current_agc->wbd_alpha << 9) | (1 << 8)); + (*agc_state)++; + ret = 5; + } else { + /* default AGC startup */ + (*agc_state) = 4; + /* wait AGC rough lock time */ + ret = 7; + } + + dib7000p_restart_agc(state); + break; + + case 2: /* fast split search path after 5sec */ + dib7000p_write_word(state, 75, state->current_agc->setup | (1 << 4)); /* freeze AGC loop */ + dib7000p_write_word(state, 106, (state->current_agc->wbd_sel << 13) | (2 << 9) | (0 << 8)); /* fast split search 0.25kHz */ + (*agc_state)++; + ret = 14; + break; + + case 3: /* split search ended */ + agc_split = (u8) dib7000p_read_word(state, 396); /* store the split value for the next time */ + dib7000p_write_word(state, 78, dib7000p_read_word(state, 394)); /* set AGC gain start value */ + + dib7000p_write_word(state, 75, state->current_agc->setup); /* std AGC loop */ + dib7000p_write_word(state, 106, (state->current_agc->wbd_sel << 13) | (state->current_agc->wbd_alpha << 9) | agc_split); /* standard split search */ + + dib7000p_restart_agc(state); + + dprintk("SPLIT %p: %u\n", demod, agc_split); + + (*agc_state)++; + ret = 5; + break; + + case 4: /* LNA startup */ + ret = 7; + + if (dib7000p_update_lna(state)) + ret = 5; + else + (*agc_state)++; + break; + + case 5: + if (state->cfg.agc_control) + state->cfg.agc_control(&state->demod, 0); + (*agc_state)++; + break; + default: + break; + } + return ret; +} + +static void dib7000p_update_timf(struct dib7000p_state *state) +{ + u32 timf = (dib7000p_read_word(state, 427) << 16) | dib7000p_read_word(state, 428); + state->timf = timf * 160 / (state->current_bandwidth / 50); + dib7000p_write_word(state, 23, (u16) (timf >> 16)); + dib7000p_write_word(state, 24, (u16) (timf & 0xffff)); + dprintk("updated timf_frequency: %d (default: %d)\n", state->timf, state->cfg.bw->timf); + +} + +static u32 dib7000p_ctrl_timf(struct dvb_frontend *fe, u8 op, u32 timf) +{ + struct dib7000p_state *state = fe->demodulator_priv; + switch (op) { + case DEMOD_TIMF_SET: + state->timf = timf; + break; + case DEMOD_TIMF_UPDATE: + dib7000p_update_timf(state); + break; + case DEMOD_TIMF_GET: + break; + } + dib7000p_set_bandwidth(state, state->current_bandwidth); + return state->timf; +} + +static void dib7000p_set_channel(struct dib7000p_state *state, + struct dtv_frontend_properties *ch, u8 seq) +{ + u16 value, est[4]; + + dib7000p_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->bandwidth_hz)); + + /* nfft, guard, qam, alpha */ + value = 0; + switch (ch->transmission_mode) { + case TRANSMISSION_MODE_2K: + value |= (0 << 7); + break; + case TRANSMISSION_MODE_4K: + value |= (2 << 7); + break; + default: + case TRANSMISSION_MODE_8K: + value |= (1 << 7); + break; + } + switch (ch->guard_interval) { + case GUARD_INTERVAL_1_32: + value |= (0 << 5); + break; + case GUARD_INTERVAL_1_16: + value |= (1 << 5); + break; + case GUARD_INTERVAL_1_4: + value |= (3 << 5); + break; + default: + case GUARD_INTERVAL_1_8: + value |= (2 << 5); + break; + } + switch (ch->modulation) { + case QPSK: + value |= (0 << 3); + break; + case QAM_16: + value |= (1 << 3); + break; + default: + case QAM_64: + value |= (2 << 3); + break; + } + switch (HIERARCHY_1) { + case HIERARCHY_2: + value |= 2; + break; + case HIERARCHY_4: + value |= 4; + break; + default: + case HIERARCHY_1: + value |= 1; + break; + } + dib7000p_write_word(state, 0, value); + dib7000p_write_word(state, 5, (seq << 4) | 1); /* do not force tps, search list 0 */ + + /* P_dintl_native, P_dintlv_inv, P_hrch, P_code_rate, P_select_hp */ + value = 0; + if (1 != 0) + value |= (1 << 6); + if (ch->hierarchy == 1) + value |= (1 << 4); + if (1 == 1) + value |= 1; + switch ((ch->hierarchy == 0 || 1 == 1) ? ch->code_rate_HP : ch->code_rate_LP) { + case FEC_2_3: + value |= (2 << 1); + break; + case FEC_3_4: + value |= (3 << 1); + break; + case FEC_5_6: + value |= (5 << 1); + break; + case FEC_7_8: + value |= (7 << 1); + break; + default: + case FEC_1_2: + value |= (1 << 1); + break; + } + dib7000p_write_word(state, 208, value); + + /* offset loop parameters */ + dib7000p_write_word(state, 26, 0x6680); + dib7000p_write_word(state, 32, 0x0003); + dib7000p_write_word(state, 29, 0x1273); + dib7000p_write_word(state, 33, 0x0005); + + /* P_dvsy_sync_wait */ + switch (ch->transmission_mode) { + case TRANSMISSION_MODE_8K: + value = 256; + break; + case TRANSMISSION_MODE_4K: + value = 128; + break; + case TRANSMISSION_MODE_2K: + default: + value = 64; + break; + } + switch (ch->guard_interval) { + case GUARD_INTERVAL_1_16: + value *= 2; + break; + case GUARD_INTERVAL_1_8: + value *= 4; + break; + case GUARD_INTERVAL_1_4: + value *= 8; + break; + default: + case GUARD_INTERVAL_1_32: + value *= 1; + break; + } + if (state->cfg.diversity_delay == 0) + state->div_sync_wait = (value * 3) / 2 + 48; + else + state->div_sync_wait = (value * 3) / 2 + state->cfg.diversity_delay; + + /* deactivate the possibility of diversity reception if extended interleaver */ + state->div_force_off = !1 && ch->transmission_mode != TRANSMISSION_MODE_8K; + dib7000p_set_diversity_in(&state->demod, state->div_state); + + /* channel estimation fine configuration */ + switch (ch->modulation) { + case QAM_64: + est[0] = 0x0148; /* P_adp_regul_cnt 0.04 */ + est[1] = 0xfff0; /* P_adp_noise_cnt -0.002 */ + est[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ + est[3] = 0xfff8; /* P_adp_noise_ext -0.001 */ + break; + case QAM_16: + est[0] = 0x023d; /* P_adp_regul_cnt 0.07 */ + est[1] = 0xffdf; /* P_adp_noise_cnt -0.004 */ + est[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ + est[3] = 0xfff0; /* P_adp_noise_ext -0.002 */ + break; + default: + est[0] = 0x099a; /* P_adp_regul_cnt 0.3 */ + est[1] = 0xffae; /* P_adp_noise_cnt -0.01 */ + est[2] = 0x0333; /* P_adp_regul_ext 0.1 */ + est[3] = 0xfff8; /* P_adp_noise_ext -0.002 */ + break; + } + for (value = 0; value < 4; value++) + dib7000p_write_word(state, 187 + value, est[value]); +} + +static int dib7000p_autosearch_start(struct dvb_frontend *demod) +{ + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; + struct dib7000p_state *state = demod->demodulator_priv; + struct dtv_frontend_properties schan; + u32 value, factor; + u32 internal = dib7000p_get_internal_freq(state); + + schan = *ch; + schan.modulation = QAM_64; + schan.guard_interval = GUARD_INTERVAL_1_32; + schan.transmission_mode = TRANSMISSION_MODE_8K; + schan.code_rate_HP = FEC_2_3; + schan.code_rate_LP = FEC_3_4; + schan.hierarchy = 0; + + dib7000p_set_channel(state, &schan, 7); + + factor = BANDWIDTH_TO_KHZ(ch->bandwidth_hz); + if (factor >= 5000) { + if (state->version == SOC7090) + factor = 2; + else + factor = 1; + } else + factor = 6; + + value = 30 * internal * factor; + dib7000p_write_word(state, 6, (u16) ((value >> 16) & 0xffff)); + dib7000p_write_word(state, 7, (u16) (value & 0xffff)); + value = 100 * internal * factor; + dib7000p_write_word(state, 8, (u16) ((value >> 16) & 0xffff)); + dib7000p_write_word(state, 9, (u16) (value & 0xffff)); + value = 500 * internal * factor; + dib7000p_write_word(state, 10, (u16) ((value >> 16) & 0xffff)); + dib7000p_write_word(state, 11, (u16) (value & 0xffff)); + + value = dib7000p_read_word(state, 0); + dib7000p_write_word(state, 0, (u16) ((1 << 9) | value)); + dib7000p_read_word(state, 1284); + dib7000p_write_word(state, 0, (u16) value); + + return 0; +} + +static int dib7000p_autosearch_is_irq(struct dvb_frontend *demod) +{ + struct dib7000p_state *state = demod->demodulator_priv; + u16 irq_pending = dib7000p_read_word(state, 1284); + + if (irq_pending & 0x1) + return 1; + + if (irq_pending & 0x2) + return 2; + + return 0; +} + +static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32 bw) +{ + static const s16 notch[] = { 16143, 14402, 12238, 9713, 6902, 3888, 759, -2392 }; + static const u8 sine[] = { 0, 2, 3, 5, 6, 8, 9, 11, 13, 14, 16, 17, 19, 20, 22, + 24, 25, 27, 28, 30, 31, 33, 34, 36, 38, 39, 41, 42, 44, 45, 47, 48, 50, 51, + 53, 55, 56, 58, 59, 61, 62, 64, 65, 67, 68, 70, 71, 73, 74, 76, 77, 79, 80, + 82, 83, 85, 86, 88, 89, 91, 92, 94, 95, 97, 98, 99, 101, 102, 104, 105, + 107, 108, 109, 111, 112, 114, 115, 117, 118, 119, 121, 122, 123, 125, 126, + 128, 129, 130, 132, 133, 134, 136, 137, 138, 140, 141, 142, 144, 145, 146, + 147, 149, 150, 151, 152, 154, 155, 156, 157, 159, 160, 161, 162, 164, 165, + 166, 167, 168, 170, 171, 172, 173, 174, 175, 177, 178, 179, 180, 181, 182, + 183, 184, 185, 186, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, + 199, 200, 201, 202, 203, 204, 205, 206, 207, 207, 208, 209, 210, 211, 212, + 213, 214, 215, 215, 216, 217, 218, 219, 220, 220, 221, 222, 223, 224, 224, + 225, 226, 227, 227, 228, 229, 229, 230, 231, 231, 232, 233, 233, 234, 235, + 235, 236, 237, 237, 238, 238, 239, 239, 240, 241, 241, 242, 242, 243, 243, + 244, 244, 245, 245, 245, 246, 246, 247, 247, 248, 248, 248, 249, 249, 249, + 250, 250, 250, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 254, + 254, 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255 + }; + + u32 xtal = state->cfg.bw->xtal_hz / 1000; + int f_rel = DIV_ROUND_CLOSEST(rf_khz, xtal) * xtal - rf_khz; + int k; + int coef_re[8], coef_im[8]; + int bw_khz = bw; + u32 pha; + + dprintk("relative position of the Spur: %dk (RF: %dk, XTAL: %dk)\n", f_rel, rf_khz, xtal); + + if (f_rel < -bw_khz / 2 || f_rel > bw_khz / 2) + return; + + bw_khz /= 100; + + dib7000p_write_word(state, 142, 0x0610); + + for (k = 0; k < 8; k++) { + pha = ((f_rel * (k + 1) * 112 * 80 / bw_khz) / 1000) & 0x3ff; + + if (pha == 0) { + coef_re[k] = 256; + coef_im[k] = 0; + } else if (pha < 256) { + coef_re[k] = sine[256 - (pha & 0xff)]; + coef_im[k] = sine[pha & 0xff]; + } else if (pha == 256) { + coef_re[k] = 0; + coef_im[k] = 256; + } else if (pha < 512) { + coef_re[k] = -sine[pha & 0xff]; + coef_im[k] = sine[256 - (pha & 0xff)]; + } else if (pha == 512) { + coef_re[k] = -256; + coef_im[k] = 0; + } else if (pha < 768) { + coef_re[k] = -sine[256 - (pha & 0xff)]; + coef_im[k] = -sine[pha & 0xff]; + } else if (pha == 768) { + coef_re[k] = 0; + coef_im[k] = -256; + } else { + coef_re[k] = sine[pha & 0xff]; + coef_im[k] = -sine[256 - (pha & 0xff)]; + } + + coef_re[k] *= notch[k]; + coef_re[k] += (1 << 14); + if (coef_re[k] >= (1 << 24)) + coef_re[k] = (1 << 24) - 1; + coef_re[k] /= (1 << 15); + + coef_im[k] *= notch[k]; + coef_im[k] += (1 << 14); + if (coef_im[k] >= (1 << 24)) + coef_im[k] = (1 << 24) - 1; + coef_im[k] /= (1 << 15); + + dprintk("PALF COEF: %d re: %d im: %d\n", k, coef_re[k], coef_im[k]); + + dib7000p_write_word(state, 143, (0 << 14) | (k << 10) | (coef_re[k] & 0x3ff)); + dib7000p_write_word(state, 144, coef_im[k] & 0x3ff); + dib7000p_write_word(state, 143, (1 << 14) | (k << 10) | (coef_re[k] & 0x3ff)); + } + dib7000p_write_word(state, 143, 0); +} + +static int dib7000p_tune(struct dvb_frontend *demod) +{ + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; + struct dib7000p_state *state = demod->demodulator_priv; + u16 tmp = 0; + + if (ch != NULL) + dib7000p_set_channel(state, ch, 0); + else + return -EINVAL; + + // restart demod + dib7000p_write_word(state, 770, 0x4000); + dib7000p_write_word(state, 770, 0x0000); + msleep(45); + + /* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3, P_ctrl_inh_cor4=1, P_ctrl_alpha_cor4=3 */ + tmp = (0 << 14) | (4 << 10) | (0 << 9) | (3 << 5) | (1 << 4) | (0x3); + if (state->sfn_workaround_active) { + dprintk("SFN workaround is active\n"); + tmp |= (1 << 9); + dib7000p_write_word(state, 166, 0x4000); + } else { + dib7000p_write_word(state, 166, 0x0000); + } + dib7000p_write_word(state, 29, tmp); + + // never achieved a lock with that bandwidth so far - wait for osc-freq to update + if (state->timf == 0) + msleep(200); + + /* offset loop parameters */ + + /* P_timf_alpha, P_corm_alpha=6, P_corm_thres=0x80 */ + tmp = (6 << 8) | 0x80; + switch (ch->transmission_mode) { + case TRANSMISSION_MODE_2K: + tmp |= (2 << 12); + break; + case TRANSMISSION_MODE_4K: + tmp |= (3 << 12); + break; + default: + case TRANSMISSION_MODE_8K: + tmp |= (4 << 12); + break; + } + dib7000p_write_word(state, 26, tmp); /* timf_a(6xxx) */ + + /* P_ctrl_freeze_pha_shift=0, P_ctrl_pha_off_max */ + tmp = (0 << 4); + switch (ch->transmission_mode) { + case TRANSMISSION_MODE_2K: + tmp |= 0x6; + break; + case TRANSMISSION_MODE_4K: + tmp |= 0x7; + break; + default: + case TRANSMISSION_MODE_8K: + tmp |= 0x8; + break; + } + dib7000p_write_word(state, 32, tmp); + + /* P_ctrl_sfreq_inh=0, P_ctrl_sfreq_step */ + tmp = (0 << 4); + switch (ch->transmission_mode) { + case TRANSMISSION_MODE_2K: + tmp |= 0x6; + break; + case TRANSMISSION_MODE_4K: + tmp |= 0x7; + break; + default: + case TRANSMISSION_MODE_8K: + tmp |= 0x8; + break; + } + dib7000p_write_word(state, 33, tmp); + + tmp = dib7000p_read_word(state, 509); + if (!((tmp >> 6) & 0x1)) { + /* restart the fec */ + tmp = dib7000p_read_word(state, 771); + dib7000p_write_word(state, 771, tmp | (1 << 1)); + dib7000p_write_word(state, 771, tmp); + msleep(40); + tmp = dib7000p_read_word(state, 509); + } + // we achieved a lock - it's time to update the osc freq + if ((tmp >> 6) & 0x1) { + dib7000p_update_timf(state); + /* P_timf_alpha += 2 */ + tmp = dib7000p_read_word(state, 26); + dib7000p_write_word(state, 26, (tmp & ~(0xf << 12)) | ((((tmp >> 12) & 0xf) + 5) << 12)); + } + + if (state->cfg.spur_protect) + dib7000p_spur_protect(state, ch->frequency / 1000, BANDWIDTH_TO_KHZ(ch->bandwidth_hz)); + + dib7000p_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->bandwidth_hz)); + + dib7000p_reset_stats(demod); + + return 0; +} + +static int dib7000p_wakeup(struct dvb_frontend *demod) +{ + struct dib7000p_state *state = demod->demodulator_priv; + dib7000p_set_power_mode(state, DIB7000P_POWER_ALL); + dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_ON); + if (state->version == SOC7090) + dib7000p_sad_calib(state); + return 0; +} + +static int dib7000p_sleep(struct dvb_frontend *demod) +{ + struct dib7000p_state *state = demod->demodulator_priv; + if (state->version == SOC7090) + return dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY); + return dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) | dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY); +} + +static int dib7000p_identify(struct dib7000p_state *st) +{ + u16 value; + dprintk("checking demod on I2C address: %d (%x)\n", st->i2c_addr, st->i2c_addr); + + if ((value = dib7000p_read_word(st, 768)) != 0x01b3) { + dprintk("wrong Vendor ID (read=0x%x)\n", value); + return -EREMOTEIO; + } + + if ((value = dib7000p_read_word(st, 769)) != 0x4000) { + dprintk("wrong Device ID (%x)\n", value); + return -EREMOTEIO; + } + + return 0; +} + +static int dib7000p_get_frontend(struct dvb_frontend *fe, + struct dtv_frontend_properties *fep) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 tps = dib7000p_read_word(state, 463); + + fep->inversion = INVERSION_AUTO; + + fep->bandwidth_hz = BANDWIDTH_TO_HZ(state->current_bandwidth); + + switch ((tps >> 8) & 0x3) { + case 0: + fep->transmission_mode = TRANSMISSION_MODE_2K; + break; + case 1: + fep->transmission_mode = TRANSMISSION_MODE_8K; + break; + /* case 2: fep->transmission_mode = TRANSMISSION_MODE_4K; break; */ + } + + switch (tps & 0x3) { + case 0: + fep->guard_interval = GUARD_INTERVAL_1_32; + break; + case 1: + fep->guard_interval = GUARD_INTERVAL_1_16; + break; + case 2: + fep->guard_interval = GUARD_INTERVAL_1_8; + break; + case 3: + fep->guard_interval = GUARD_INTERVAL_1_4; + break; + } + + switch ((tps >> 14) & 0x3) { + case 0: + fep->modulation = QPSK; + break; + case 1: + fep->modulation = QAM_16; + break; + case 2: + default: + fep->modulation = QAM_64; + break; + } + + /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */ + /* (tps >> 13) & 0x1 == hrch is used, (tps >> 10) & 0x7 == alpha */ + + fep->hierarchy = HIERARCHY_NONE; + switch ((tps >> 5) & 0x7) { + case 1: + fep->code_rate_HP = FEC_1_2; + break; + case 2: + fep->code_rate_HP = FEC_2_3; + break; + case 3: + fep->code_rate_HP = FEC_3_4; + break; + case 5: + fep->code_rate_HP = FEC_5_6; + break; + case 7: + default: + fep->code_rate_HP = FEC_7_8; + break; + + } + + switch ((tps >> 2) & 0x7) { + case 1: + fep->code_rate_LP = FEC_1_2; + break; + case 2: + fep->code_rate_LP = FEC_2_3; + break; + case 3: + fep->code_rate_LP = FEC_3_4; + break; + case 5: + fep->code_rate_LP = FEC_5_6; + break; + case 7: + default: + fep->code_rate_LP = FEC_7_8; + break; + } + + /* native interleaver: (dib7000p_read_word(state, 464) >> 5) & 0x1 */ + + return 0; +} + +static int dib7000p_set_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *fep = &fe->dtv_property_cache; + struct dib7000p_state *state = fe->demodulator_priv; + int time, ret; + + if (state->version == SOC7090) + dib7090_set_diversity_in(fe, 0); + else + dib7000p_set_output_mode(state, OUTMODE_HIGH_Z); + + /* maybe the parameter has been changed */ + state->sfn_workaround_active = buggy_sfn_workaround; + + if (fe->ops.tuner_ops.set_params) + fe->ops.tuner_ops.set_params(fe); + + /* start up the AGC */ + state->agc_state = 0; + do { + time = dib7000p_agc_startup(fe); + if (time != -1) + msleep(time); + } while (time != -1); + + if (fep->transmission_mode == TRANSMISSION_MODE_AUTO || + fep->guard_interval == GUARD_INTERVAL_AUTO || fep->modulation == QAM_AUTO || fep->code_rate_HP == FEC_AUTO) { + int i = 800, found; + + dib7000p_autosearch_start(fe); + do { + msleep(1); + found = dib7000p_autosearch_is_irq(fe); + } while (found == 0 && i--); + + dprintk("autosearch returns: %d\n", found); + if (found == 0 || found == 1) + return 0; + + dib7000p_get_frontend(fe, fep); + } + + ret = dib7000p_tune(fe); + + /* make this a config parameter */ + if (state->version == SOC7090) { + dib7090_set_output_mode(fe, state->cfg.output_mode); + if (state->cfg.enMpegOutput == 0) { + dib7090_setDibTxMux(state, MPEG_ON_DIBTX); + dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS); + } + } else + dib7000p_set_output_mode(state, state->cfg.output_mode); + + return ret; +} + +static int dib7000p_get_stats(struct dvb_frontend *fe, enum fe_status stat); + +static int dib7000p_read_status(struct dvb_frontend *fe, enum fe_status *stat) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 lock = dib7000p_read_word(state, 509); + + *stat = 0; + + if (lock & 0x8000) + *stat |= FE_HAS_SIGNAL; + if (lock & 0x3000) + *stat |= FE_HAS_CARRIER; + if (lock & 0x0100) + *stat |= FE_HAS_VITERBI; + if (lock & 0x0010) + *stat |= FE_HAS_SYNC; + if ((lock & 0x0038) == 0x38) + *stat |= FE_HAS_LOCK; + + dib7000p_get_stats(fe, *stat); + + return 0; +} + +static int dib7000p_read_ber(struct dvb_frontend *fe, u32 * ber) +{ + struct dib7000p_state *state = fe->demodulator_priv; + *ber = (dib7000p_read_word(state, 500) << 16) | dib7000p_read_word(state, 501); + return 0; +} + +static int dib7000p_read_unc_blocks(struct dvb_frontend *fe, u32 * unc) +{ + struct dib7000p_state *state = fe->demodulator_priv; + *unc = dib7000p_read_word(state, 506); + return 0; +} + +static int dib7000p_read_signal_strength(struct dvb_frontend *fe, u16 * strength) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 val = dib7000p_read_word(state, 394); + *strength = 65535 - val; + return 0; +} + +static u32 dib7000p_get_snr(struct dvb_frontend *fe) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 val; + s32 signal_mant, signal_exp, noise_mant, noise_exp; + u32 result = 0; + + val = dib7000p_read_word(state, 479); + noise_mant = (val >> 4) & 0xff; + noise_exp = ((val & 0xf) << 2); + val = dib7000p_read_word(state, 480); + noise_exp += ((val >> 14) & 0x3); + if ((noise_exp & 0x20) != 0) + noise_exp -= 0x40; + + signal_mant = (val >> 6) & 0xFF; + signal_exp = (val & 0x3F); + if ((signal_exp & 0x20) != 0) + signal_exp -= 0x40; + + if (signal_mant != 0) + result = intlog10(2) * 10 * signal_exp + 10 * intlog10(signal_mant); + else + result = intlog10(2) * 10 * signal_exp - 100; + + if (noise_mant != 0) + result -= intlog10(2) * 10 * noise_exp + 10 * intlog10(noise_mant); + else + result -= intlog10(2) * 10 * noise_exp - 100; + + return result; +} + +static int dib7000p_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + u32 result; + + result = dib7000p_get_snr(fe); + + *snr = result / ((1 << 24) / 10); + return 0; +} + +static void dib7000p_reset_stats(struct dvb_frontend *demod) +{ + struct dib7000p_state *state = demod->demodulator_priv; + struct dtv_frontend_properties *c = &demod->dtv_property_cache; + u32 ucb; + + memset(&c->strength, 0, sizeof(c->strength)); + memset(&c->cnr, 0, sizeof(c->cnr)); + memset(&c->post_bit_error, 0, sizeof(c->post_bit_error)); + memset(&c->post_bit_count, 0, sizeof(c->post_bit_count)); + memset(&c->block_error, 0, sizeof(c->block_error)); + + c->strength.len = 1; + c->cnr.len = 1; + c->block_error.len = 1; + c->block_count.len = 1; + c->post_bit_error.len = 1; + c->post_bit_count.len = 1; + + c->strength.stat[0].scale = FE_SCALE_DECIBEL; + c->strength.stat[0].uvalue = 0; + + c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + dib7000p_read_unc_blocks(demod, &ucb); + + state->old_ucb = ucb; + state->ber_jiffies_stats = 0; + state->per_jiffies_stats = 0; +} + +struct linear_segments { + unsigned x; + signed y; +}; + +/* + * Table to estimate signal strength in dBm. + * This table should be empirically determinated by measuring the signal + * strength generated by a RF generator directly connected into + * a device. + * This table was determinated by measuring the signal strength generated + * by a DTA-2111 RF generator directly connected into a dib7000p device + * (a Hauppauge Nova-TD stick), using a good quality 3 meters length + * RC6 cable and good RC6 connectors, connected directly to antenna 1. + * As the minimum output power of DTA-2111 is -31dBm, a 16 dBm attenuator + * were used, for the lower power values. + * The real value can actually be on other devices, or even at the + * second antena input, depending on several factors, like if LNA + * is enabled or not, if diversity is enabled, type of connectors, etc. + * Yet, it is better to use this measure in dB than a random non-linear + * percentage value, especially for antenna adjustments. + * On my tests, the precision of the measure using this table is about + * 0.5 dB, with sounds reasonable enough to adjust antennas. + */ +#define DB_OFFSET 131000 + +static struct linear_segments strength_to_db_table[] = { + { 63630, DB_OFFSET - 20500}, + { 62273, DB_OFFSET - 21000}, + { 60162, DB_OFFSET - 22000}, + { 58730, DB_OFFSET - 23000}, + { 58294, DB_OFFSET - 24000}, + { 57778, DB_OFFSET - 25000}, + { 57320, DB_OFFSET - 26000}, + { 56779, DB_OFFSET - 27000}, + { 56293, DB_OFFSET - 28000}, + { 55724, DB_OFFSET - 29000}, + { 55145, DB_OFFSET - 30000}, + { 54680, DB_OFFSET - 31000}, + { 54293, DB_OFFSET - 32000}, + { 53813, DB_OFFSET - 33000}, + { 53427, DB_OFFSET - 34000}, + { 52981, DB_OFFSET - 35000}, + + { 52636, DB_OFFSET - 36000}, + { 52014, DB_OFFSET - 37000}, + { 51674, DB_OFFSET - 38000}, + { 50692, DB_OFFSET - 39000}, + { 49824, DB_OFFSET - 40000}, + { 49052, DB_OFFSET - 41000}, + { 48436, DB_OFFSET - 42000}, + { 47836, DB_OFFSET - 43000}, + { 47368, DB_OFFSET - 44000}, + { 46468, DB_OFFSET - 45000}, + { 45597, DB_OFFSET - 46000}, + { 44586, DB_OFFSET - 47000}, + { 43667, DB_OFFSET - 48000}, + { 42673, DB_OFFSET - 49000}, + { 41816, DB_OFFSET - 50000}, + { 40876, DB_OFFSET - 51000}, + { 0, 0}, +}; + +static u32 interpolate_value(u32 value, struct linear_segments *segments, + unsigned len) +{ + u64 tmp64; + u32 dx; + s32 dy; + int i, ret; + + if (value >= segments[0].x) + return segments[0].y; + if (value < segments[len-1].x) + return segments[len-1].y; + + for (i = 1; i < len - 1; i++) { + /* If value is identical, no need to interpolate */ + if (value == segments[i].x) + return segments[i].y; + if (value > segments[i].x) + break; + } + + /* Linear interpolation between the two (x,y) points */ + dy = segments[i - 1].y - segments[i].y; + dx = segments[i - 1].x - segments[i].x; + + tmp64 = value - segments[i].x; + tmp64 *= dy; + do_div(tmp64, dx); + ret = segments[i].y + tmp64; + + return ret; +} + +/* FIXME: may require changes - this one was borrowed from dib8000 */ +static u32 dib7000p_get_time_us(struct dvb_frontend *demod) +{ + struct dtv_frontend_properties *c = &demod->dtv_property_cache; + u64 time_us, tmp64; + u32 tmp, denom; + int guard, rate_num, rate_denum = 1, bits_per_symbol; + int interleaving = 0, fft_div; + + switch (c->guard_interval) { + case GUARD_INTERVAL_1_4: + guard = 4; + break; + case GUARD_INTERVAL_1_8: + guard = 8; + break; + case GUARD_INTERVAL_1_16: + guard = 16; + break; + default: + case GUARD_INTERVAL_1_32: + guard = 32; + break; + } + + switch (c->transmission_mode) { + case TRANSMISSION_MODE_2K: + fft_div = 4; + break; + case TRANSMISSION_MODE_4K: + fft_div = 2; + break; + default: + case TRANSMISSION_MODE_8K: + fft_div = 1; + break; + } + + switch (c->modulation) { + case DQPSK: + case QPSK: + bits_per_symbol = 2; + break; + case QAM_16: + bits_per_symbol = 4; + break; + default: + case QAM_64: + bits_per_symbol = 6; + break; + } + + switch ((c->hierarchy == 0 || 1 == 1) ? c->code_rate_HP : c->code_rate_LP) { + case FEC_1_2: + rate_num = 1; + rate_denum = 2; + break; + case FEC_2_3: + rate_num = 2; + rate_denum = 3; + break; + case FEC_3_4: + rate_num = 3; + rate_denum = 4; + break; + case FEC_5_6: + rate_num = 5; + rate_denum = 6; + break; + default: + case FEC_7_8: + rate_num = 7; + rate_denum = 8; + break; + } + + denom = bits_per_symbol * rate_num * fft_div * 384; + + /* + * FIXME: check if the math makes sense. If so, fill the + * interleaving var. + */ + + /* If calculus gets wrong, wait for 1s for the next stats */ + if (!denom) + return 0; + + /* Estimate the period for the total bit rate */ + time_us = rate_denum * (1008 * 1562500L); + tmp64 = time_us; + do_div(tmp64, guard); + time_us = time_us + tmp64; + time_us += denom / 2; + do_div(time_us, denom); + + tmp = 1008 * 96 * interleaving; + time_us += tmp + tmp / guard; + + return time_us; +} + +static int dib7000p_get_stats(struct dvb_frontend *demod, enum fe_status stat) +{ + struct dib7000p_state *state = demod->demodulator_priv; + struct dtv_frontend_properties *c = &demod->dtv_property_cache; + int show_per_stats = 0; + u32 time_us = 0, val, snr; + u64 blocks, ucb; + s32 db; + u16 strength; + + /* Get Signal strength */ + dib7000p_read_signal_strength(demod, &strength); + val = strength; + db = interpolate_value(val, + strength_to_db_table, + ARRAY_SIZE(strength_to_db_table)) - DB_OFFSET; + c->strength.stat[0].svalue = db; + + /* UCB/BER/CNR measures require lock */ + if (!(stat & FE_HAS_LOCK)) { + c->cnr.len = 1; + c->block_count.len = 1; + c->block_error.len = 1; + c->post_bit_error.len = 1; + c->post_bit_count.len = 1; + c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + return 0; + } + + /* Check if time for stats was elapsed */ + if (time_after(jiffies, state->per_jiffies_stats)) { + state->per_jiffies_stats = jiffies + msecs_to_jiffies(1000); + + /* Get SNR */ + snr = dib7000p_get_snr(demod); + if (snr) + snr = (1000L * snr) >> 24; + else + snr = 0; + c->cnr.stat[0].svalue = snr; + c->cnr.stat[0].scale = FE_SCALE_DECIBEL; + + /* Get UCB measures */ + dib7000p_read_unc_blocks(demod, &val); + ucb = val - state->old_ucb; + if (val < state->old_ucb) + ucb += 0x100000000LL; + + c->block_error.stat[0].scale = FE_SCALE_COUNTER; + c->block_error.stat[0].uvalue = ucb; + + /* Estimate the number of packets based on bitrate */ + if (!time_us) + time_us = dib7000p_get_time_us(demod); + + if (time_us) { + blocks = 1250000ULL * 1000000ULL; + do_div(blocks, time_us * 8 * 204); + c->block_count.stat[0].scale = FE_SCALE_COUNTER; + c->block_count.stat[0].uvalue += blocks; + } + + show_per_stats = 1; + } + + /* Get post-BER measures */ + if (time_after(jiffies, state->ber_jiffies_stats)) { + time_us = dib7000p_get_time_us(demod); + state->ber_jiffies_stats = jiffies + msecs_to_jiffies((time_us + 500) / 1000); + + dprintk("Next all layers stats available in %u us.\n", time_us); + + dib7000p_read_ber(demod, &val); + c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_error.stat[0].uvalue += val; + + c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_count.stat[0].uvalue += 100000000; + } + + /* Get PER measures */ + if (show_per_stats) { + dib7000p_read_unc_blocks(demod, &val); + + c->block_error.stat[0].scale = FE_SCALE_COUNTER; + c->block_error.stat[0].uvalue += val; + + time_us = dib7000p_get_time_us(demod); + if (time_us) { + blocks = 1250000ULL * 1000000ULL; + do_div(blocks, time_us * 8 * 204); + c->block_count.stat[0].scale = FE_SCALE_COUNTER; + c->block_count.stat[0].uvalue += blocks; + } + } + return 0; +} + +static int dib7000p_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 1000; + return 0; +} + +static void dib7000p_release(struct dvb_frontend *demod) +{ + struct dib7000p_state *st = demod->demodulator_priv; + dibx000_exit_i2c_master(&st->i2c_master); + i2c_del_adapter(&st->dib7090_tuner_adap); + kfree(st); +} + +static int dib7000pc_detection(struct i2c_adapter *i2c_adap) +{ + u8 *tx, *rx; + struct i2c_msg msg[2] = { + {.addr = 18 >> 1, .flags = 0, .len = 2}, + {.addr = 18 >> 1, .flags = I2C_M_RD, .len = 2}, + }; + int ret = 0; + + tx = kzalloc(2, GFP_KERNEL); + if (!tx) + return -ENOMEM; + rx = kzalloc(2, GFP_KERNEL); + if (!rx) { + ret = -ENOMEM; + goto rx_memory_error; + } + + msg[0].buf = tx; + msg[1].buf = rx; + + tx[0] = 0x03; + tx[1] = 0x00; + + if (i2c_transfer(i2c_adap, msg, 2) == 2) + if (rx[0] == 0x01 && rx[1] == 0xb3) { + dprintk("-D- DiB7000PC detected\n"); + ret = 1; + goto out; + } + + msg[0].addr = msg[1].addr = 0x40; + + if (i2c_transfer(i2c_adap, msg, 2) == 2) + if (rx[0] == 0x01 && rx[1] == 0xb3) { + dprintk("-D- DiB7000PC detected\n"); + ret = 1; + goto out; + } + + dprintk("-D- DiB7000PC not detected\n"); + +out: + kfree(rx); +rx_memory_error: + kfree(tx); + return ret; +} + +static struct i2c_adapter *dib7000p_get_i2c_master(struct dvb_frontend *demod, enum dibx000_i2c_interface intf, int gating) +{ + struct dib7000p_state *st = demod->demodulator_priv; + return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating); +} + +static int dib7000p_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 val = dib7000p_read_word(state, 235) & 0xffef; + val |= (onoff & 0x1) << 4; + dprintk("PID filter enabled %d\n", onoff); + return dib7000p_write_word(state, 235, val); +} + +static int dib7000p_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff) +{ + struct dib7000p_state *state = fe->demodulator_priv; + dprintk("PID filter: index %x, PID %d, OnOff %d\n", id, pid, onoff); + return dib7000p_write_word(state, 241 + id, onoff ? (1 << 13) | pid : 0); +} + +static int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]) +{ + struct dib7000p_state *dpst; + int k = 0; + u8 new_addr = 0; + + dpst = kzalloc(sizeof(struct dib7000p_state), GFP_KERNEL); + if (!dpst) + return -ENOMEM; + + dpst->i2c_adap = i2c; + mutex_init(&dpst->i2c_buffer_lock); + + for (k = no_of_demods - 1; k >= 0; k--) { + dpst->cfg = cfg[k]; + + /* designated i2c address */ + if (cfg[k].default_i2c_addr != 0) + new_addr = cfg[k].default_i2c_addr + (k << 1); + else + new_addr = (0x40 + k) << 1; + dpst->i2c_addr = new_addr; + dib7000p_write_word(dpst, 1287, 0x0003); /* sram lead in, rdy */ + if (dib7000p_identify(dpst) != 0) { + dpst->i2c_addr = default_addr; + dib7000p_write_word(dpst, 1287, 0x0003); /* sram lead in, rdy */ + if (dib7000p_identify(dpst) != 0) { + dprintk("DiB7000P #%d: not identified\n", k); + kfree(dpst); + return -EIO; + } + } + + /* start diversity to pull_down div_str - just for i2c-enumeration */ + dib7000p_set_output_mode(dpst, OUTMODE_DIVERSITY); + + /* set new i2c address and force divstart */ + dib7000p_write_word(dpst, 1285, (new_addr << 2) | 0x2); + + dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr); + } + + for (k = 0; k < no_of_demods; k++) { + dpst->cfg = cfg[k]; + if (cfg[k].default_i2c_addr != 0) + dpst->i2c_addr = (cfg[k].default_i2c_addr + k) << 1; + else + dpst->i2c_addr = (0x40 + k) << 1; + + // unforce divstr + dib7000p_write_word(dpst, 1285, dpst->i2c_addr << 2); + + /* deactivate div - it was just for i2c-enumeration */ + dib7000p_set_output_mode(dpst, OUTMODE_HIGH_Z); + } + + kfree(dpst); + return 0; +} + +static const s32 lut_1000ln_mant[] = { + 6908, 6956, 7003, 7047, 7090, 7131, 7170, 7208, 7244, 7279, 7313, 7346, 7377, 7408, 7438, 7467, 7495, 7523, 7549, 7575, 7600 +}; + +static s32 dib7000p_get_adc_power(struct dvb_frontend *fe) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u32 tmp_val = 0, exp = 0, mant = 0; + s32 pow_i; + u16 buf[2]; + u8 ix = 0; + + buf[0] = dib7000p_read_word(state, 0x184); + buf[1] = dib7000p_read_word(state, 0x185); + pow_i = (buf[0] << 16) | buf[1]; + dprintk("raw pow_i = %d\n", pow_i); + + tmp_val = pow_i; + while (tmp_val >>= 1) + exp++; + + mant = (pow_i * 1000 / (1 << exp)); + dprintk(" mant = %d exp = %d\n", mant / 1000, exp); + + ix = (u8) ((mant - 1000) / 100); /* index of the LUT */ + dprintk(" ix = %d\n", ix); + + pow_i = (lut_1000ln_mant[ix] + 693 * (exp - 20) - 6908); + pow_i = (pow_i << 8) / 1000; + dprintk(" pow_i = %d\n", pow_i); + + return pow_i; +} + +static int map_addr_to_serpar_number(struct i2c_msg *msg) +{ + if ((msg->buf[0] <= 15)) + msg->buf[0] -= 1; + else if (msg->buf[0] == 17) + msg->buf[0] = 15; + else if (msg->buf[0] == 16) + msg->buf[0] = 17; + else if (msg->buf[0] == 19) + msg->buf[0] = 16; + else if (msg->buf[0] >= 21 && msg->buf[0] <= 25) + msg->buf[0] -= 3; + else if (msg->buf[0] == 28) + msg->buf[0] = 23; + else + return -EINVAL; + return 0; +} + +static int w7090p_tuner_write_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) +{ + struct dib7000p_state *state = i2c_get_adapdata(i2c_adap); + u8 n_overflow = 1; + u16 i = 1000; + u16 serpar_num = msg[0].buf[0]; + + while (n_overflow == 1 && i) { + n_overflow = (dib7000p_read_word(state, 1984) >> 1) & 0x1; + i--; + if (i == 0) + dprintk("Tuner ITF: write busy (overflow)\n"); + } + dib7000p_write_word(state, 1985, (1 << 6) | (serpar_num & 0x3f)); + dib7000p_write_word(state, 1986, (msg[0].buf[1] << 8) | msg[0].buf[2]); + + return num; +} + +static int w7090p_tuner_read_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) +{ + struct dib7000p_state *state = i2c_get_adapdata(i2c_adap); + u8 n_overflow = 1, n_empty = 1; + u16 i = 1000; + u16 serpar_num = msg[0].buf[0]; + u16 read_word; + + while (n_overflow == 1 && i) { + n_overflow = (dib7000p_read_word(state, 1984) >> 1) & 0x1; + i--; + if (i == 0) + dprintk("TunerITF: read busy (overflow)\n"); + } + dib7000p_write_word(state, 1985, (0 << 6) | (serpar_num & 0x3f)); + + i = 1000; + while (n_empty == 1 && i) { + n_empty = dib7000p_read_word(state, 1984) & 0x1; + i--; + if (i == 0) + dprintk("TunerITF: read busy (empty)\n"); + } + read_word = dib7000p_read_word(state, 1987); + msg[1].buf[0] = (read_word >> 8) & 0xff; + msg[1].buf[1] = (read_word) & 0xff; + + return num; +} + +static int w7090p_tuner_rw_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) +{ + if (map_addr_to_serpar_number(&msg[0]) == 0) { /* else = Tuner regs to ignore : DIG_CFG, CTRL_RF_LT, PLL_CFG, PWM1_REG, ADCCLK, DIG_CFG_3; SLEEP_EN... */ + if (num == 1) { /* write */ + return w7090p_tuner_write_serpar(i2c_adap, msg, 1); + } else { /* read */ + return w7090p_tuner_read_serpar(i2c_adap, msg, 2); + } + } + return num; +} + +static int dib7090p_rw_on_apb(struct i2c_adapter *i2c_adap, + struct i2c_msg msg[], int num, u16 apb_address) +{ + struct dib7000p_state *state = i2c_get_adapdata(i2c_adap); + u16 word; + + if (num == 1) { /* write */ + dib7000p_write_word(state, apb_address, ((msg[0].buf[1] << 8) | (msg[0].buf[2]))); + } else { + word = dib7000p_read_word(state, apb_address); + msg[1].buf[0] = (word >> 8) & 0xff; + msg[1].buf[1] = (word) & 0xff; + } + + return num; +} + +static int dib7090_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) +{ + struct dib7000p_state *state = i2c_get_adapdata(i2c_adap); + + u16 apb_address = 0, word; + int i = 0; + switch (msg[0].buf[0]) { + case 0x12: + apb_address = 1920; + break; + case 0x14: + apb_address = 1921; + break; + case 0x24: + apb_address = 1922; + break; + case 0x1a: + apb_address = 1923; + break; + case 0x22: + apb_address = 1924; + break; + case 0x33: + apb_address = 1926; + break; + case 0x34: + apb_address = 1927; + break; + case 0x35: + apb_address = 1928; + break; + case 0x36: + apb_address = 1929; + break; + case 0x37: + apb_address = 1930; + break; + case 0x38: + apb_address = 1931; + break; + case 0x39: + apb_address = 1932; + break; + case 0x2a: + apb_address = 1935; + break; + case 0x2b: + apb_address = 1936; + break; + case 0x2c: + apb_address = 1937; + break; + case 0x2d: + apb_address = 1938; + break; + case 0x2e: + apb_address = 1939; + break; + case 0x2f: + apb_address = 1940; + break; + case 0x30: + apb_address = 1941; + break; + case 0x31: + apb_address = 1942; + break; + case 0x32: + apb_address = 1943; + break; + case 0x3e: + apb_address = 1944; + break; + case 0x3f: + apb_address = 1945; + break; + case 0x40: + apb_address = 1948; + break; + case 0x25: + apb_address = 914; + break; + case 0x26: + apb_address = 915; + break; + case 0x27: + apb_address = 917; + break; + case 0x28: + apb_address = 916; + break; + case 0x1d: + i = ((dib7000p_read_word(state, 72) >> 12) & 0x3); + word = dib7000p_read_word(state, 384 + i); + msg[1].buf[0] = (word >> 8) & 0xff; + msg[1].buf[1] = (word) & 0xff; + return num; + case 0x1f: + if (num == 1) { /* write */ + word = (u16) ((msg[0].buf[1] << 8) | msg[0].buf[2]); + word &= 0x3; + word = (dib7000p_read_word(state, 72) & ~(3 << 12)) | (word << 12); + dib7000p_write_word(state, 72, word); /* Set the proper input */ + return num; + } + } + + if (apb_address != 0) /* R/W access via APB */ + return dib7090p_rw_on_apb(i2c_adap, msg, num, apb_address); + else /* R/W access via SERPAR */ + return w7090p_tuner_rw_serpar(i2c_adap, msg, num); + + return 0; +} + +static u32 dib7000p_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static const struct i2c_algorithm dib7090_tuner_xfer_algo = { + .master_xfer = dib7090_tuner_xfer, + .functionality = dib7000p_i2c_func, +}; + +static struct i2c_adapter *dib7090_get_i2c_tuner(struct dvb_frontend *fe) +{ + struct dib7000p_state *st = fe->demodulator_priv; + return &st->dib7090_tuner_adap; +} + +static int dib7090_host_bus_drive(struct dib7000p_state *state, u8 drive) +{ + u16 reg; + + /* drive host bus 2, 3, 4 */ + reg = dib7000p_read_word(state, 1798) & ~((0x7) | (0x7 << 6) | (0x7 << 12)); + reg |= (drive << 12) | (drive << 6) | drive; + dib7000p_write_word(state, 1798, reg); + + /* drive host bus 5,6 */ + reg = dib7000p_read_word(state, 1799) & ~((0x7 << 2) | (0x7 << 8)); + reg |= (drive << 8) | (drive << 2); + dib7000p_write_word(state, 1799, reg); + + /* drive host bus 7, 8, 9 */ + reg = dib7000p_read_word(state, 1800) & ~((0x7) | (0x7 << 6) | (0x7 << 12)); + reg |= (drive << 12) | (drive << 6) | drive; + dib7000p_write_word(state, 1800, reg); + + /* drive host bus 10, 11 */ + reg = dib7000p_read_word(state, 1801) & ~((0x7 << 2) | (0x7 << 8)); + reg |= (drive << 8) | (drive << 2); + dib7000p_write_word(state, 1801, reg); + + /* drive host bus 12, 13, 14 */ + reg = dib7000p_read_word(state, 1802) & ~((0x7) | (0x7 << 6) | (0x7 << 12)); + reg |= (drive << 12) | (drive << 6) | drive; + dib7000p_write_word(state, 1802, reg); + + return 0; +} + +static u32 dib7090_calcSyncFreq(u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 syncSize) +{ + u32 quantif = 3; + u32 nom = (insertExtSynchro * P_Kin + syncSize); + u32 denom = P_Kout; + u32 syncFreq = ((nom << quantif) / denom); + + if ((syncFreq & ((1 << quantif) - 1)) != 0) + syncFreq = (syncFreq >> quantif) + 1; + else + syncFreq = (syncFreq >> quantif); + + if (syncFreq != 0) + syncFreq = syncFreq - 1; + + return syncFreq; +} + +static int dib7090_cfg_DibTx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 synchroMode, u32 syncWord, u32 syncSize) +{ + dprintk("Configure DibStream Tx\n"); + + dib7000p_write_word(state, 1615, 1); + dib7000p_write_word(state, 1603, P_Kin); + dib7000p_write_word(state, 1605, P_Kout); + dib7000p_write_word(state, 1606, insertExtSynchro); + dib7000p_write_word(state, 1608, synchroMode); + dib7000p_write_word(state, 1609, (syncWord >> 16) & 0xffff); + dib7000p_write_word(state, 1610, syncWord & 0xffff); + dib7000p_write_word(state, 1612, syncSize); + dib7000p_write_word(state, 1615, 0); + + return 0; +} + +static int dib7090_cfg_DibRx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 synchroMode, u32 insertExtSynchro, u32 syncWord, u32 syncSize, + u32 dataOutRate) +{ + u32 syncFreq; + + dprintk("Configure DibStream Rx\n"); + if ((P_Kin != 0) && (P_Kout != 0)) { + syncFreq = dib7090_calcSyncFreq(P_Kin, P_Kout, insertExtSynchro, syncSize); + dib7000p_write_word(state, 1542, syncFreq); + } + dib7000p_write_word(state, 1554, 1); + dib7000p_write_word(state, 1536, P_Kin); + dib7000p_write_word(state, 1537, P_Kout); + dib7000p_write_word(state, 1539, synchroMode); + dib7000p_write_word(state, 1540, (syncWord >> 16) & 0xffff); + dib7000p_write_word(state, 1541, syncWord & 0xffff); + dib7000p_write_word(state, 1543, syncSize); + dib7000p_write_word(state, 1544, dataOutRate); + dib7000p_write_word(state, 1554, 0); + + return 0; +} + +static void dib7090_enMpegMux(struct dib7000p_state *state, int onoff) +{ + u16 reg_1287 = dib7000p_read_word(state, 1287); + + switch (onoff) { + case 1: + reg_1287 &= ~(1<<7); + break; + case 0: + reg_1287 |= (1<<7); + break; + } + + dib7000p_write_word(state, 1287, reg_1287); +} + +static void dib7090_configMpegMux(struct dib7000p_state *state, + u16 pulseWidth, u16 enSerialMode, u16 enSerialClkDiv2) +{ + dprintk("Enable Mpeg mux\n"); + + dib7090_enMpegMux(state, 0); + + /* If the input mode is MPEG do not divide the serial clock */ + if ((enSerialMode == 1) && (state->input_mode_mpeg == 1)) + enSerialClkDiv2 = 0; + + dib7000p_write_word(state, 1287, ((pulseWidth & 0x1f) << 2) + | ((enSerialMode & 0x1) << 1) + | (enSerialClkDiv2 & 0x1)); + + dib7090_enMpegMux(state, 1); +} + +static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode) +{ + u16 reg_1288 = dib7000p_read_word(state, 1288) & ~(0x7 << 7); + + switch (mode) { + case MPEG_ON_DIBTX: + dprintk("SET MPEG ON DIBSTREAM TX\n"); + dib7090_cfg_DibTx(state, 8, 5, 0, 0, 0, 0); + reg_1288 |= (1<<9); + break; + case DIV_ON_DIBTX: + dprintk("SET DIV_OUT ON DIBSTREAM TX\n"); + dib7090_cfg_DibTx(state, 5, 5, 0, 0, 0, 0); + reg_1288 |= (1<<8); + break; + case ADC_ON_DIBTX: + dprintk("SET ADC_OUT ON DIBSTREAM TX\n"); + dib7090_cfg_DibTx(state, 20, 5, 10, 0, 0, 0); + reg_1288 |= (1<<7); + break; + default: + break; + } + dib7000p_write_word(state, 1288, reg_1288); +} + +static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode) +{ + u16 reg_1288 = dib7000p_read_word(state, 1288) & ~(0x7 << 4); + + switch (mode) { + case DEMOUT_ON_HOSTBUS: + dprintk("SET DEM OUT OLD INTERF ON HOST BUS\n"); + dib7090_enMpegMux(state, 0); + reg_1288 |= (1<<6); + break; + case DIBTX_ON_HOSTBUS: + dprintk("SET DIBSTREAM TX ON HOST BUS\n"); + dib7090_enMpegMux(state, 0); + reg_1288 |= (1<<5); + break; + case MPEG_ON_HOSTBUS: + dprintk("SET MPEG MUX ON HOST BUS\n"); + reg_1288 |= (1<<4); + break; + default: + break; + } + dib7000p_write_word(state, 1288, reg_1288); +} + +static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 reg_1287; + + switch (onoff) { + case 0: /* only use the internal way - not the diversity input */ + dprintk("%s mode OFF : by default Enable Mpeg INPUT\n", __func__); + dib7090_cfg_DibRx(state, 8, 5, 0, 0, 0, 8, 0); + + /* Do not divide the serial clock of MPEG MUX */ + /* in SERIAL MODE in case input mode MPEG is used */ + reg_1287 = dib7000p_read_word(state, 1287); + /* enSerialClkDiv2 == 1 ? */ + if ((reg_1287 & 0x1) == 1) { + /* force enSerialClkDiv2 = 0 */ + reg_1287 &= ~0x1; + dib7000p_write_word(state, 1287, reg_1287); + } + state->input_mode_mpeg = 1; + break; + case 1: /* both ways */ + case 2: /* only the diversity input */ + dprintk("%s ON : Enable diversity INPUT\n", __func__); + dib7090_cfg_DibRx(state, 5, 5, 0, 0, 0, 0, 0); + state->input_mode_mpeg = 0; + break; + } + + dib7000p_set_diversity_in(&state->demod, onoff); + return 0; +} + +static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode) +{ + struct dib7000p_state *state = fe->demodulator_priv; + + u16 outreg, smo_mode, fifo_threshold; + u8 prefer_mpeg_mux_use = 1; + int ret = 0; + + dib7090_host_bus_drive(state, 1); + + fifo_threshold = 1792; + smo_mode = (dib7000p_read_word(state, 235) & 0x0050) | (1 << 1); + outreg = dib7000p_read_word(state, 1286) & ~((1 << 10) | (0x7 << 6) | (1 << 1)); + + switch (mode) { + case OUTMODE_HIGH_Z: + outreg = 0; + break; + + case OUTMODE_MPEG2_SERIAL: + if (prefer_mpeg_mux_use) { + dprintk("setting output mode TS_SERIAL using Mpeg Mux\n"); + dib7090_configMpegMux(state, 3, 1, 1); + dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS); + } else {/* Use Smooth block */ + dprintk("setting output mode TS_SERIAL using Smooth bloc\n"); + dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS); + outreg |= (2<<6) | (0 << 1); + } + break; + + case OUTMODE_MPEG2_PAR_GATED_CLK: + if (prefer_mpeg_mux_use) { + dprintk("setting output mode TS_PARALLEL_GATED using Mpeg Mux\n"); + dib7090_configMpegMux(state, 2, 0, 0); + dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS); + } else { /* Use Smooth block */ + dprintk("setting output mode TS_PARALLEL_GATED using Smooth block\n"); + dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS); + outreg |= (0<<6); + } + break; + + case OUTMODE_MPEG2_PAR_CONT_CLK: /* Using Smooth block only */ + dprintk("setting output mode TS_PARALLEL_CONT using Smooth block\n"); + dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS); + outreg |= (1<<6); + break; + + case OUTMODE_MPEG2_FIFO: /* Using Smooth block because not supported by new Mpeg Mux bloc */ + dprintk("setting output mode TS_FIFO using Smooth block\n"); + dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS); + outreg |= (5<<6); + smo_mode |= (3 << 1); + fifo_threshold = 512; + break; + + case OUTMODE_DIVERSITY: + dprintk("setting output mode MODE_DIVERSITY\n"); + dib7090_setDibTxMux(state, DIV_ON_DIBTX); + dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS); + break; + + case OUTMODE_ANALOG_ADC: + dprintk("setting output mode MODE_ANALOG_ADC\n"); + dib7090_setDibTxMux(state, ADC_ON_DIBTX); + dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS); + break; + } + if (mode != OUTMODE_HIGH_Z) + outreg |= (1 << 10); + + if (state->cfg.output_mpeg2_in_188_bytes) + smo_mode |= (1 << 5); + + ret |= dib7000p_write_word(state, 235, smo_mode); + ret |= dib7000p_write_word(state, 236, fifo_threshold); /* synchronous fread */ + ret |= dib7000p_write_word(state, 1286, outreg); + + return ret; +} + +static int dib7090_tuner_sleep(struct dvb_frontend *fe, int onoff) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 en_cur_state; + + dprintk("sleep dib7090: %d\n", onoff); + + en_cur_state = dib7000p_read_word(state, 1922); + + if (en_cur_state > 0xff) + state->tuner_enable = en_cur_state; + + if (onoff) + en_cur_state &= 0x00ff; + else { + if (state->tuner_enable != 0) + en_cur_state = state->tuner_enable; + } + + dib7000p_write_word(state, 1922, en_cur_state); + + return 0; +} + +static int dib7090_get_adc_power(struct dvb_frontend *fe) +{ + return dib7000p_get_adc_power(fe); +} + +static int dib7090_slave_reset(struct dvb_frontend *fe) +{ + struct dib7000p_state *state = fe->demodulator_priv; + u16 reg; + + reg = dib7000p_read_word(state, 1794); + dib7000p_write_word(state, 1794, reg | (4 << 12)); + + dib7000p_write_word(state, 1032, 0xffff); + return 0; +} + +static const struct dvb_frontend_ops dib7000p_ops; +static struct dvb_frontend *dib7000p_init(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg) +{ + struct dvb_frontend *demod; + struct dib7000p_state *st; + st = kzalloc(sizeof(struct dib7000p_state), GFP_KERNEL); + if (st == NULL) + return NULL; + + memcpy(&st->cfg, cfg, sizeof(struct dib7000p_config)); + st->i2c_adap = i2c_adap; + st->i2c_addr = i2c_addr; + st->gpio_val = cfg->gpio_val; + st->gpio_dir = cfg->gpio_dir; + + /* Ensure the output mode remains at the previous default if it's + * not specifically set by the caller. + */ + if ((st->cfg.output_mode != OUTMODE_MPEG2_SERIAL) && (st->cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK)) + st->cfg.output_mode = OUTMODE_MPEG2_FIFO; + + demod = &st->demod; + demod->demodulator_priv = st; + memcpy(&st->demod.ops, &dib7000p_ops, sizeof(struct dvb_frontend_ops)); + mutex_init(&st->i2c_buffer_lock); + + dib7000p_write_word(st, 1287, 0x0003); /* sram lead in, rdy */ + + if (dib7000p_identify(st) != 0) + goto error; + + st->version = dib7000p_read_word(st, 897); + + /* FIXME: make sure the dev.parent field is initialized, or else + request_firmware() will hit an OOPS (this should be moved somewhere + more common) */ + st->i2c_master.gated_tuner_i2c_adap.dev.parent = i2c_adap->dev.parent; + + dibx000_init_i2c_master(&st->i2c_master, DIB7000P, st->i2c_adap, st->i2c_addr); + + /* init 7090 tuner adapter */ + strscpy(st->dib7090_tuner_adap.name, "DiB7090 tuner interface", + sizeof(st->dib7090_tuner_adap.name)); + st->dib7090_tuner_adap.algo = &dib7090_tuner_xfer_algo; + st->dib7090_tuner_adap.algo_data = NULL; + st->dib7090_tuner_adap.dev.parent = st->i2c_adap->dev.parent; + i2c_set_adapdata(&st->dib7090_tuner_adap, st); + i2c_add_adapter(&st->dib7090_tuner_adap); + + dib7000p_demod_reset(st); + + dib7000p_reset_stats(demod); + + if (st->version == SOC7090) { + dib7090_set_output_mode(demod, st->cfg.output_mode); + dib7090_set_diversity_in(demod, 0); + } + + return demod; + +error: + kfree(st); + return NULL; +} + +void *dib7000p_attach(struct dib7000p_ops *ops) +{ + if (!ops) + return NULL; + + ops->slave_reset = dib7090_slave_reset; + ops->get_adc_power = dib7090_get_adc_power; + ops->dib7000pc_detection = dib7000pc_detection; + ops->get_i2c_tuner = dib7090_get_i2c_tuner; + ops->tuner_sleep = dib7090_tuner_sleep; + ops->init = dib7000p_init; + ops->set_agc1_min = dib7000p_set_agc1_min; + ops->set_gpio = dib7000p_set_gpio; + ops->i2c_enumeration = dib7000p_i2c_enumeration; + ops->pid_filter = dib7000p_pid_filter; + ops->pid_filter_ctrl = dib7000p_pid_filter_ctrl; + ops->get_i2c_master = dib7000p_get_i2c_master; + ops->update_pll = dib7000p_update_pll; + ops->ctrl_timf = dib7000p_ctrl_timf; + ops->get_agc_values = dib7000p_get_agc_values; + ops->set_wbd_ref = dib7000p_set_wbd_ref; + + return ops; +} +EXPORT_SYMBOL_GPL(dib7000p_attach); + +static const struct dvb_frontend_ops dib7000p_ops = { + .delsys = { SYS_DVBT }, + .info = { + .name = "DiBcom 7000PC", + .frequency_min_hz = 44250 * kHz, + .frequency_max_hz = 867250 * kHz, + .frequency_stepsize_hz = 62500, + .caps = FE_CAN_INVERSION_AUTO | + 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_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | FE_CAN_HIERARCHY_AUTO, + }, + + .release = dib7000p_release, + + .init = dib7000p_wakeup, + .sleep = dib7000p_sleep, + + .set_frontend = dib7000p_set_frontend, + .get_tune_settings = dib7000p_fe_get_tune_settings, + .get_frontend = dib7000p_get_frontend, + + .read_status = dib7000p_read_status, + .read_ber = dib7000p_read_ber, + .read_signal_strength = dib7000p_read_signal_strength, + .read_snr = dib7000p_read_snr, + .read_ucblocks = dib7000p_read_unc_blocks, +}; + +MODULE_AUTHOR("Olivier Grenie <olivie.grenie@parrot.com>"); +MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); +MODULE_DESCRIPTION("Driver for the DiBcom 7000PC COFDM demodulator"); +MODULE_LICENSE("GPL"); |