Lines Matching +full:ext +full:- +full:26 +full:m
1 // SPDX-License-Identifier: GPL-2.0
7 // that it is part of rtl-sdr git tree, released under GPLv2:
8 // https://groups.google.com/forum/#!topic/ultra-cheap-sdr/Y3rBEOFtHug
9 // https://github.com/n1gp/gr-baz
30 #include "tuner-i2c.h"
335 int r = reg - REG_SHADOW_START; in shadow_store()
343 if (len > NUM_REGS - r) in shadow_store()
344 len = NUM_REGS - r; in shadow_store()
349 memcpy(&priv->regs[r], val, len); in shadow_store()
361 if (len > priv->cfg->max_i2c_msg_len - 1) in r820t_write()
362 size = priv->cfg->max_i2c_msg_len - 1; in r820t_write()
367 priv->buf[0] = reg; in r820t_write()
368 memcpy(&priv->buf[1], &val[pos], size); in r820t_write()
370 rc = tuner_i2c_xfer_send(&priv->i2c_props, priv->buf, size + 1); in r820t_write()
373 __func__, rc, reg, size, size, &priv->buf[1]); in r820t_write()
376 return -EREMOTEIO; in r820t_write()
379 __func__, reg, size, size, &priv->buf[1]); in r820t_write()
382 len -= size; in r820t_write()
391 u8 tmp = val; /* work around GCC PR81715 with asan-stack=1 */ in r820t_write_reg()
398 reg -= REG_SHADOW_START; in r820t_read_cache_reg()
401 return priv->regs[reg]; in r820t_read_cache_reg()
403 return -EINVAL; in r820t_read_cache_reg()
423 u8 *p = &priv->buf[1]; in r820t_read()
425 priv->buf[0] = reg; in r820t_read()
427 rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, priv->buf, 1, p, len); in r820t_read()
433 return -EREMOTEIO; in r820t_read()
458 for (i = 0; i < ARRAY_SIZE(freq_ranges) - 1; i++) { in r820t_set_mux()
467 rc = r820t_write_reg_mask(priv, 0x17, range->open_d, 0x08); in r820t_set_mux()
472 rc = r820t_write_reg_mask(priv, 0x1a, range->rf_mux_ploy, 0xc3); in r820t_set_mux()
477 rc = r820t_write_reg(priv, 0x1b, range->tf_c); in r820t_set_mux()
482 switch (priv->xtal_cap_sel) { in r820t_set_mux()
485 val = range->xtal_cap20p | 0x08; in r820t_set_mux()
488 val = range->xtal_cap10p | 0x08; in r820t_set_mux()
491 val = range->xtal_cap0p | 0x00; in r820t_set_mux()
495 val = range->xtal_cap0p | 0x08; in r820t_set_mux()
502 if (priv->imr_done) { in r820t_set_mux()
503 reg08 = priv->imr_data[range->imr_mem].gain_x; in r820t_set_mux()
504 reg09 = priv->imr_data[range->imr_mem].phase_y; in r820t_set_mux()
539 pll_ref = priv->cfg->xtal / 1000; in r820t_set_pll()
542 /* Doesn't exist on rtl-sdk, and on field tests, caused troubles */ in r820t_set_pll()
543 if ((priv->cfg->rafael_chip == CHIP_R620D) || in r820t_set_pll()
544 (priv->cfg->rafael_chip == CHIP_R828D) || in r820t_set_pll()
545 (priv->cfg->rafael_chip == CHIP_R828)) { in r820t_set_pll()
553 if (priv->cfg->xtal > 24000000) { in r820t_set_pll()
601 if (priv->cfg->rafael_chip != CHIP_R828D) { in r820t_set_pll()
603 div_num = div_num - 1; in r820t_set_pll()
614 vco_fra = vco_freq - 2 * pll_ref * nint; in r820t_set_pll()
628 ni = (nint - 13) / 4; in r820t_set_pll()
629 si = nint - 4 * ni - 13; in r820t_set_pll()
649 vco_fra = vco_fra - 2 * pll_ref / n_sdm; in r820t_set_pll()
685 priv->has_lock = false; in r820t_set_pll()
689 priv->has_lock = true; in r820t_set_pll()
713 mixer_top = 0x14; /* mixer top:14 , top-1, low-discharge */ in r820t_sysfreq_sel()
718 mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ in r820t_sysfreq_sel()
732 mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ in r820t_sysfreq_sel()
745 mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ in r820t_sysfreq_sel()
758 mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ in r820t_sysfreq_sel()
770 default: /* DVB-T 8M */ in r820t_sysfreq_sel()
771 mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ in r820t_sysfreq_sel()
785 if (priv->cfg->use_diplexer && in r820t_sysfreq_sel()
786 ((priv->cfg->rafael_chip == CHIP_R820T) || in r820t_sysfreq_sel()
787 (priv->cfg->rafael_chip == CHIP_R828S) || in r820t_sysfreq_sel()
788 (priv->cfg->rafael_chip == CHIP_R820C))) { in r820t_sysfreq_sel()
797 if (priv->cfg->use_predetect) { in r820t_sysfreq_sel()
816 /* Air-IN only for Astrometa */ in r820t_sysfreq_sel()
948 hp_cor = 0x6a; /* 1.7m disable, +2cap, 1.25mhz */ in r820t_set_tv_standard()
949 ext_enable = 0x40; /* r30[6], ext enable; r30[5]:0 ext at lna max */ in r820t_set_tv_standard()
960 hp_cor = 0x0b; /* 1.7m disable, +0cap, 1.0mhz */ in r820t_set_tv_standard()
961 ext_enable = 0x40; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ in r820t_set_tv_standard()
972 hp_cor = 0x6a; /* 1.7m disable, +0cap, 1.0mhz */ in r820t_set_tv_standard()
973 ext_enable = 0x40; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ in r820t_set_tv_standard()
981 filt_cal_lo = 56000; /* 52000->56000 */ in r820t_set_tv_standard()
985 hp_cor = 0x6b; /* 1.7m disable, +2cap, 1.0mhz */ in r820t_set_tv_standard()
986 ext_enable = 0x60; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ in r820t_set_tv_standard()
1005 hp_cor = 0x2b; /* 1.7m disable, +1cap, 1.0mhz */ in r820t_set_tv_standard()
1006 ext_enable = 0x60; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ in r820t_set_tv_standard()
1018 hp_cor = 0x2a; /* 1.7m disable, +1cap, 1.25mhz */ in r820t_set_tv_standard()
1019 ext_enable = 0x60; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ in r820t_set_tv_standard()
1030 hp_cor = 0x0b; /* 1.7m disable, +0cap, 1.0mhz */ in r820t_set_tv_standard()
1031 ext_enable = 0x60; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ in r820t_set_tv_standard()
1040 memcpy(priv->regs, r820t_init_array, sizeof(r820t_init_array)); in r820t_set_tv_standard()
1043 if (priv->imr_done) in r820t_set_tv_standard()
1044 val = 1 | priv->xtal_cap_sel << 1; in r820t_set_tv_standard()
1063 priv->int_freq = if_khz * 1000; in r820t_set_tv_standard()
1066 if (type != priv->type) in r820t_set_tv_standard()
1068 else if ((type == V4L2_TUNER_ANALOG_TV) && (std != priv->std)) in r820t_set_tv_standard()
1071 ((delsys != priv->delsys) || bw != priv->bw)) in r820t_set_tv_standard()
1095 if (rc < 0 || !priv->has_lock) in r820t_set_tv_standard()
1120 priv->fil_cal_code = data[4] & 0x0f; in r820t_set_tv_standard()
1121 if (priv->fil_cal_code && priv->fil_cal_code != 0x0f) in r820t_set_tv_standard()
1125 if (priv->fil_cal_code == 0x0f) in r820t_set_tv_standard()
1126 priv->fil_cal_code = 0; in r820t_set_tv_standard()
1130 filt_q | priv->fil_cal_code, 0x1f); in r820t_set_tv_standard()
1175 /* Store current standard. If it changes, re-calibrate the tuner */ in r820t_set_tv_standard()
1176 priv->delsys = delsys; in r820t_set_tv_standard()
1177 priv->type = type; in r820t_set_tv_standard()
1178 priv->std = std; in r820t_set_tv_standard()
1179 priv->bw = bw; in r820t_set_tv_standard()
1200 * measured with a Racal 6103E GSM test set at 928 MHz with -60 dBm
1202 * http://steve-m.de/projects/rtl-sdr/gain_measurement/r820t/
1206 0, 9, 13, 40, 38, 13, 31, 22, 26, 31, 26, 14, 19, 5, 35, 13
1210 0, 5, 10, 10, 19, 9, 10, 25, 17, 10, 8, 16, 13, 6, 3, -8
1291 struct r820t_priv *priv = fe->tuner_priv; in generic_set_freq()
1303 lo_freq = freq - priv->int_freq; in generic_set_freq()
1305 lo_freq = freq + priv->int_freq; in generic_set_freq()
1312 if (rc < 0 || !priv->has_lock) in generic_set_freq()
1338 if (!priv->init_done) in r820t_standby()
1374 priv->type = -1; in r820t_standby()
1389 memcpy(priv->regs, r820t_init_array, sizeof(r820t_init_array)); in r820t_xtal_check()
1428 if (priv->cfg->xtal == 16000000 && (val > 29 || val < 23)) in r820t_xtal_check()
1436 return -EINVAL; in r820t_xtal_check()
1446 memcpy(priv->regs, r820t_init_array, sizeof(r820t_init_array)); in r820t_imr_prepare()
1448 /* lna off (air-in off) */ in r820t_imr_prepare()
1463 /* filter bw=+2cap, hp=5M */ in r820t_imr_prepare()
1520 rc = sum - max - min; in r820t_multi_read()
1529 struct r820t_sect_type cross[5]; /* (0,0)(0,Q-1)(0,I-1)(Q-1,0)(I-1,0) */ in r820t_imr_cross()
1549 cross[i].phase_y = reg09 + 1; /* Q-1 */ in r820t_imr_cross()
1553 cross[i].phase_y = (reg09 | 0x20) + 1; /* I-1 */ in r820t_imr_cross()
1556 cross[i].gain_x = reg08 + 1; /* Q-1 */ in r820t_imr_cross()
1560 cross[i].gain_x = (reg08 | 0x20) + 1; /* I-1 */ in r820t_imr_cross()
1582 if ((tmp.phase_y & 0x1f) == 1) { /* y-direction */ in r820t_imr_cross()
1588 } else { /* (0,0) or x-direction */ in r820t_imr_cross()
1602 for (i = 3; i > 0; i--) { in r820t_compre_cor()
1603 if (iq[0].value > iq[i - 1].value) in r820t_compre_cor()
1604 swap(iq[0], iq[i - 1]); in r820t_compre_cor()
1698 if (i == 0) { /* try right-side point */ in r820t_iq_tree()
1700 } else if (i == 1) { /* try left-side point */ in r820t_iq_tree()
1703 tmp = 2 - (var_val & 0x1f); in r820t_iq_tree()
1705 /* b[5]:I/Q selection. 0:Q-path, 1:I-path */ in r820t_iq_tree()
1713 var_val -= 2; in r820t_iq_tree()
1727 /* Try X-1 column and save min result to compare_bet[0] */ in r820t_section()
1728 if (!(iq_point->gain_x & 0x1f)) in r820t_section()
1729 compare_iq[0].gain_x = ((iq_point->gain_x) & 0xdf) + 1; /* Q-path, Gain=1 */ in r820t_section()
1731 compare_iq[0].gain_x = iq_point->gain_x - 1; /* left point */ in r820t_section()
1732 compare_iq[0].phase_y = iq_point->phase_y; in r820t_section()
1734 /* y-direction */ in r820t_section()
1745 compare_iq[0].gain_x = iq_point->gain_x; in r820t_section()
1746 compare_iq[0].phase_y = iq_point->phase_y; in r820t_section()
1758 if ((iq_point->gain_x & 0x1f) == 0x00) in r820t_section()
1759 compare_iq[0].gain_x = ((iq_point->gain_x) | 0x20) + 1; /* I-path, Gain=1 */ in r820t_section()
1761 compare_iq[0].gain_x = iq_point->gain_x + 1; in r820t_section()
1762 compare_iq[0].phase_y = iq_point->phase_y; in r820t_section()
1855 /* section-9 check */ in r820t_iq()
1878 * try (x-1), (x), (x+1) columns, and find min IMR result point in r820t_f_imr()
1895 if (priv->cfg->xtal > 24000000) in r820t_imr()
1896 ring_ref = priv->cfg->xtal / 2000; in r820t_imr()
1898 ring_ref = priv->cfg->xtal / 1000; in r820t_imr()
1979 rc = r820t_set_mux(priv, (ring_freq - 5300) * 1000); in r820t_imr()
1984 (ring_freq - 5300) * 1000); in r820t_imr()
1985 if (!priv->has_lock) in r820t_imr()
1986 rc = -EINVAL; in r820t_imr()
1993 imr_point.gain_x = priv->imr_data[3].gain_x; in r820t_imr()
1994 imr_point.phase_y = priv->imr_data[3].phase_y; in r820t_imr()
1995 imr_point.value = priv->imr_data[3].value; in r820t_imr()
2005 priv->imr_data[0].gain_x = imr_point.gain_x; in r820t_imr()
2006 priv->imr_data[0].phase_y = imr_point.phase_y; in r820t_imr()
2007 priv->imr_data[0].value = imr_point.value; in r820t_imr()
2010 priv->imr_data[1].gain_x = imr_point.gain_x; in r820t_imr()
2011 priv->imr_data[1].phase_y = imr_point.phase_y; in r820t_imr()
2012 priv->imr_data[1].value = imr_point.value; in r820t_imr()
2015 priv->imr_data[2].gain_x = imr_point.gain_x; in r820t_imr()
2016 priv->imr_data[2].phase_y = imr_point.phase_y; in r820t_imr()
2017 priv->imr_data[2].value = imr_point.value; in r820t_imr()
2020 priv->imr_data[3].gain_x = imr_point.gain_x; in r820t_imr()
2021 priv->imr_data[3].phase_y = imr_point.phase_y; in r820t_imr()
2022 priv->imr_data[3].value = imr_point.value; in r820t_imr()
2025 priv->imr_data[4].gain_x = imr_point.gain_x; in r820t_imr()
2026 priv->imr_data[4].phase_y = imr_point.phase_y; in r820t_imr()
2027 priv->imr_data[4].value = imr_point.value; in r820t_imr()
2030 priv->imr_data[4].gain_x = imr_point.gain_x; in r820t_imr()
2031 priv->imr_data[4].phase_y = imr_point.phase_y; in r820t_imr()
2032 priv->imr_data[4].value = imr_point.value; in r820t_imr()
2044 if (priv->init_done) in r820t_imr_callibrate()
2048 if ((priv->cfg->rafael_chip == CHIP_R820T) || in r820t_imr_callibrate()
2049 (priv->cfg->rafael_chip == CHIP_R828S) || in r820t_imr_callibrate()
2050 (priv->cfg->rafael_chip == CHIP_R820C)) { in r820t_imr_callibrate()
2051 priv->xtal_cap_sel = XTAL_HIGH_CAP_0P; in r820t_imr_callibrate()
2065 priv->xtal_cap_sel = xtal_cap; in r820t_imr_callibrate()
2070 * as what is done by rtl-sdr userspace library. Useful for testing in r820t_imr_callibrate()
2073 priv->init_done = true; in r820t_imr_callibrate()
2104 priv->init_done = true; in r820t_imr_callibrate()
2105 priv->imr_done = true; in r820t_imr_callibrate()
2126 struct r820t_priv *priv = fe->tuner_priv; in r820t_init()
2131 mutex_lock(&priv->lock); in r820t_init()
2132 if (fe->ops.i2c_gate_ctrl) in r820t_init()
2133 fe->ops.i2c_gate_ctrl(fe, 1); in r820t_init()
2144 if (fe->ops.i2c_gate_ctrl) in r820t_init()
2145 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_init()
2146 mutex_unlock(&priv->lock); in r820t_init()
2155 struct r820t_priv *priv = fe->tuner_priv; in r820t_sleep()
2160 mutex_lock(&priv->lock); in r820t_sleep()
2161 if (fe->ops.i2c_gate_ctrl) in r820t_sleep()
2162 fe->ops.i2c_gate_ctrl(fe, 1); in r820t_sleep()
2166 if (fe->ops.i2c_gate_ctrl) in r820t_sleep()
2167 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_sleep()
2168 mutex_unlock(&priv->lock); in r820t_sleep()
2177 struct r820t_priv *priv = fe->tuner_priv; in r820t_set_analog_freq()
2184 if (!p->std) in r820t_set_analog_freq()
2185 p->std = V4L2_STD_MN; in r820t_set_analog_freq()
2187 if ((p->std == V4L2_STD_PAL_M) || (p->std == V4L2_STD_NTSC)) in r820t_set_analog_freq()
2192 mutex_lock(&priv->lock); in r820t_set_analog_freq()
2193 if (fe->ops.i2c_gate_ctrl) in r820t_set_analog_freq()
2194 fe->ops.i2c_gate_ctrl(fe, 1); in r820t_set_analog_freq()
2196 rc = generic_set_freq(fe, 62500l * p->frequency, bw, in r820t_set_analog_freq()
2197 V4L2_TUNER_ANALOG_TV, p->std, SYS_UNDEFINED); in r820t_set_analog_freq()
2199 if (fe->ops.i2c_gate_ctrl) in r820t_set_analog_freq()
2200 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_set_analog_freq()
2201 mutex_unlock(&priv->lock); in r820t_set_analog_freq()
2208 struct r820t_priv *priv = fe->tuner_priv; in r820t_set_params()
2209 struct dtv_frontend_properties *c = &fe->dtv_property_cache; in r820t_set_params()
2214 __func__, c->delivery_system, c->frequency, c->bandwidth_hz); in r820t_set_params()
2216 mutex_lock(&priv->lock); in r820t_set_params()
2217 if (fe->ops.i2c_gate_ctrl) in r820t_set_params()
2218 fe->ops.i2c_gate_ctrl(fe, 1); in r820t_set_params()
2220 bw = (c->bandwidth_hz + 500000) / 1000000; in r820t_set_params()
2224 rc = generic_set_freq(fe, c->frequency, bw, in r820t_set_params()
2225 V4L2_TUNER_DIGITAL_TV, 0, c->delivery_system); in r820t_set_params()
2227 if (fe->ops.i2c_gate_ctrl) in r820t_set_params()
2228 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_set_params()
2229 mutex_unlock(&priv->lock); in r820t_set_params()
2238 struct r820t_priv *priv = fe->tuner_priv; in r820t_signal()
2241 mutex_lock(&priv->lock); in r820t_signal()
2242 if (fe->ops.i2c_gate_ctrl) in r820t_signal()
2243 fe->ops.i2c_gate_ctrl(fe, 1); in r820t_signal()
2245 if (priv->has_lock) { in r820t_signal()
2251 *strength = (45 - rc) << 4 | 0xff; in r820t_signal()
2259 if (fe->ops.i2c_gate_ctrl) in r820t_signal()
2260 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_signal()
2261 mutex_unlock(&priv->lock); in r820t_signal()
2265 priv->has_lock ? "PLL locked" : "no signal", in r820t_signal()
2273 struct r820t_priv *priv = fe->tuner_priv; in r820t_get_if_frequency()
2277 *frequency = priv->int_freq; in r820t_get_if_frequency()
2284 struct r820t_priv *priv = fe->tuner_priv; in r820t_release()
2295 fe->tuner_priv = NULL; in r820t_release()
2318 int rc = -ENODEV; in r820t_attach()
2326 i2c, cfg->i2c_addr, in r820t_attach()
2334 priv->cfg = cfg; in r820t_attach()
2336 mutex_init(&priv->lock); in r820t_attach()
2338 fe->tuner_priv = priv; in r820t_attach()
2342 fe->tuner_priv = priv; in r820t_attach()
2346 if (fe->ops.i2c_gate_ctrl) in r820t_attach()
2347 fe->ops.i2c_gate_ctrl(fe, 1); in r820t_attach()
2360 if (fe->ops.i2c_gate_ctrl) in r820t_attach()
2361 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_attach()
2365 memcpy(&fe->ops.tuner_ops, &r820t_tuner_ops, in r820t_attach()
2370 if (fe->ops.i2c_gate_ctrl) in r820t_attach()
2371 fe->ops.i2c_gate_ctrl(fe, 0); in r820t_attach()