Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Sony CXD2820R demodulator driver |
| 3 | * |
| 4 | * Copyright (C) 2010 Antti Palosaari <crope@iki.fi> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | */ |
| 20 | |
| 21 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 22 | #include "cxd2820r_priv.h" |
| 23 | |
Mauro Carvalho Chehab | f311f68 | 2011-12-30 22:22:10 -0300 | [diff] [blame] | 24 | int cxd2820r_set_frontend_t2(struct dvb_frontend *fe) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 25 | { |
| 26 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 27 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
Antti Palosaari | 13d723b | 2011-11-13 15:21:58 -0300 | [diff] [blame] | 28 | int ret, i, bw_i; |
Antti Palosaari | fda23fa | 2011-11-13 14:41:25 -0300 | [diff] [blame] | 29 | u32 if_freq, if_ctl; |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 30 | u64 num; |
| 31 | u8 buf[3], bw_param; |
| 32 | u8 bw_params1[][5] = { |
| 33 | { 0x1c, 0xb3, 0x33, 0x33, 0x33 }, /* 5 MHz */ |
| 34 | { 0x17, 0xea, 0xaa, 0xaa, 0xaa }, /* 6 MHz */ |
| 35 | { 0x14, 0x80, 0x00, 0x00, 0x00 }, /* 7 MHz */ |
| 36 | { 0x11, 0xf0, 0x00, 0x00, 0x00 }, /* 8 MHz */ |
| 37 | }; |
| 38 | struct reg_val_mask tab[] = { |
| 39 | { 0x00080, 0x02, 0xff }, |
| 40 | { 0x00081, 0x20, 0xff }, |
| 41 | { 0x00085, 0x07, 0xff }, |
| 42 | { 0x00088, 0x01, 0xff }, |
| 43 | { 0x02069, 0x01, 0xff }, |
| 44 | |
| 45 | { 0x0207f, 0x2a, 0xff }, |
| 46 | { 0x02082, 0x0a, 0xff }, |
| 47 | { 0x02083, 0x0a, 0xff }, |
| 48 | { 0x020cb, priv->cfg.if_agc_polarity << 6, 0x40 }, |
| 49 | { 0x02070, priv->cfg.ts_mode, 0xff }, |
| 50 | { 0x020b5, priv->cfg.spec_inv << 4, 0x10 }, |
| 51 | { 0x02567, 0x07, 0x0f }, |
| 52 | { 0x02569, 0x03, 0x03 }, |
| 53 | { 0x02595, 0x1a, 0xff }, |
| 54 | { 0x02596, 0x50, 0xff }, |
| 55 | { 0x02a8c, 0x00, 0xff }, |
| 56 | { 0x02a8d, 0x34, 0xff }, |
| 57 | { 0x02a45, 0x06, 0x07 }, |
| 58 | { 0x03f10, 0x0d, 0xff }, |
| 59 | { 0x03f11, 0x02, 0xff }, |
| 60 | { 0x03f12, 0x01, 0xff }, |
| 61 | { 0x03f23, 0x2c, 0xff }, |
| 62 | { 0x03f51, 0x13, 0xff }, |
| 63 | { 0x03f52, 0x01, 0xff }, |
| 64 | { 0x03f53, 0x00, 0xff }, |
| 65 | { 0x027e6, 0x14, 0xff }, |
| 66 | { 0x02786, 0x02, 0x07 }, |
| 67 | { 0x02787, 0x40, 0xe0 }, |
| 68 | { 0x027ef, 0x10, 0x18 }, |
| 69 | }; |
| 70 | |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 71 | dev_dbg(&priv->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", __func__, |
| 72 | c->frequency, c->bandwidth_hz); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 73 | |
Antti Palosaari | 13d723b | 2011-11-13 15:21:58 -0300 | [diff] [blame] | 74 | switch (c->bandwidth_hz) { |
| 75 | case 5000000: |
| 76 | bw_i = 0; |
| 77 | bw_param = 3; |
| 78 | break; |
| 79 | case 6000000: |
| 80 | bw_i = 1; |
| 81 | bw_param = 2; |
| 82 | break; |
| 83 | case 7000000: |
| 84 | bw_i = 2; |
| 85 | bw_param = 1; |
| 86 | break; |
| 87 | case 8000000: |
| 88 | bw_i = 3; |
| 89 | bw_param = 0; |
| 90 | break; |
| 91 | default: |
| 92 | return -EINVAL; |
| 93 | } |
| 94 | |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 95 | /* update GPIOs */ |
| 96 | ret = cxd2820r_gpio(fe); |
| 97 | if (ret) |
| 98 | goto error; |
| 99 | |
| 100 | /* program tuner */ |
| 101 | if (fe->ops.tuner_ops.set_params) |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 102 | fe->ops.tuner_ops.set_params(fe); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 103 | |
| 104 | if (priv->delivery_system != SYS_DVBT2) { |
| 105 | for (i = 0; i < ARRAY_SIZE(tab); i++) { |
| 106 | ret = cxd2820r_wr_reg_mask(priv, tab[i].reg, |
| 107 | tab[i].val, tab[i].mask); |
| 108 | if (ret) |
| 109 | goto error; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | priv->delivery_system = SYS_DVBT2; |
| 114 | |
Antti Palosaari | fda23fa | 2011-11-13 14:41:25 -0300 | [diff] [blame] | 115 | /* program IF frequency */ |
| 116 | if (fe->ops.tuner_ops.get_if_frequency) { |
| 117 | ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_freq); |
| 118 | if (ret) |
| 119 | goto error; |
| 120 | } else |
| 121 | if_freq = 0; |
| 122 | |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 123 | dev_dbg(&priv->i2c->dev, "%s: if_freq=%d\n", __func__, if_freq); |
Antti Palosaari | fda23fa | 2011-11-13 14:41:25 -0300 | [diff] [blame] | 124 | |
| 125 | num = if_freq / 1000; /* Hz => kHz */ |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 126 | num *= 0x1000000; |
| 127 | if_ctl = cxd2820r_div_u64_round_closest(num, 41000); |
| 128 | buf[0] = ((if_ctl >> 16) & 0xff); |
| 129 | buf[1] = ((if_ctl >> 8) & 0xff); |
| 130 | buf[2] = ((if_ctl >> 0) & 0xff); |
| 131 | |
| 132 | ret = cxd2820r_wr_regs(priv, 0x020b6, buf, 3); |
| 133 | if (ret) |
| 134 | goto error; |
| 135 | |
Antti Palosaari | 13d723b | 2011-11-13 15:21:58 -0300 | [diff] [blame] | 136 | ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[bw_i], 5); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 137 | if (ret) |
| 138 | goto error; |
| 139 | |
| 140 | ret = cxd2820r_wr_reg_mask(priv, 0x020d7, bw_param << 6, 0xc0); |
| 141 | if (ret) |
| 142 | goto error; |
| 143 | |
| 144 | ret = cxd2820r_wr_reg(priv, 0x000ff, 0x08); |
| 145 | if (ret) |
| 146 | goto error; |
| 147 | |
| 148 | ret = cxd2820r_wr_reg(priv, 0x000fe, 0x01); |
| 149 | if (ret) |
| 150 | goto error; |
| 151 | |
| 152 | return ret; |
| 153 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 154 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 155 | return ret; |
| 156 | |
| 157 | } |
| 158 | |
Mauro Carvalho Chehab | f311f68 | 2011-12-30 22:22:10 -0300 | [diff] [blame] | 159 | int cxd2820r_get_frontend_t2(struct dvb_frontend *fe) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 160 | { |
| 161 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 162 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 163 | int ret; |
| 164 | u8 buf[2]; |
| 165 | |
| 166 | ret = cxd2820r_rd_regs(priv, 0x0205c, buf, 2); |
| 167 | if (ret) |
| 168 | goto error; |
| 169 | |
| 170 | switch ((buf[0] >> 0) & 0x07) { |
| 171 | case 0: |
| 172 | c->transmission_mode = TRANSMISSION_MODE_2K; |
| 173 | break; |
| 174 | case 1: |
| 175 | c->transmission_mode = TRANSMISSION_MODE_8K; |
| 176 | break; |
| 177 | case 2: |
| 178 | c->transmission_mode = TRANSMISSION_MODE_4K; |
| 179 | break; |
| 180 | case 3: |
| 181 | c->transmission_mode = TRANSMISSION_MODE_1K; |
| 182 | break; |
| 183 | case 4: |
| 184 | c->transmission_mode = TRANSMISSION_MODE_16K; |
| 185 | break; |
| 186 | case 5: |
| 187 | c->transmission_mode = TRANSMISSION_MODE_32K; |
| 188 | break; |
| 189 | } |
| 190 | |
| 191 | switch ((buf[1] >> 4) & 0x07) { |
| 192 | case 0: |
| 193 | c->guard_interval = GUARD_INTERVAL_1_32; |
| 194 | break; |
| 195 | case 1: |
| 196 | c->guard_interval = GUARD_INTERVAL_1_16; |
| 197 | break; |
| 198 | case 2: |
| 199 | c->guard_interval = GUARD_INTERVAL_1_8; |
| 200 | break; |
| 201 | case 3: |
| 202 | c->guard_interval = GUARD_INTERVAL_1_4; |
| 203 | break; |
| 204 | case 4: |
| 205 | c->guard_interval = GUARD_INTERVAL_1_128; |
| 206 | break; |
| 207 | case 5: |
| 208 | c->guard_interval = GUARD_INTERVAL_19_128; |
| 209 | break; |
| 210 | case 6: |
| 211 | c->guard_interval = GUARD_INTERVAL_19_256; |
| 212 | break; |
| 213 | } |
| 214 | |
| 215 | ret = cxd2820r_rd_regs(priv, 0x0225b, buf, 2); |
| 216 | if (ret) |
| 217 | goto error; |
| 218 | |
| 219 | switch ((buf[0] >> 0) & 0x07) { |
| 220 | case 0: |
| 221 | c->fec_inner = FEC_1_2; |
| 222 | break; |
| 223 | case 1: |
| 224 | c->fec_inner = FEC_3_5; |
| 225 | break; |
| 226 | case 2: |
| 227 | c->fec_inner = FEC_2_3; |
| 228 | break; |
| 229 | case 3: |
| 230 | c->fec_inner = FEC_3_4; |
| 231 | break; |
| 232 | case 4: |
| 233 | c->fec_inner = FEC_4_5; |
| 234 | break; |
| 235 | case 5: |
| 236 | c->fec_inner = FEC_5_6; |
| 237 | break; |
| 238 | } |
| 239 | |
| 240 | switch ((buf[1] >> 0) & 0x07) { |
| 241 | case 0: |
| 242 | c->modulation = QPSK; |
| 243 | break; |
| 244 | case 1: |
| 245 | c->modulation = QAM_16; |
| 246 | break; |
| 247 | case 2: |
| 248 | c->modulation = QAM_64; |
| 249 | break; |
| 250 | case 3: |
| 251 | c->modulation = QAM_256; |
| 252 | break; |
| 253 | } |
| 254 | |
| 255 | ret = cxd2820r_rd_reg(priv, 0x020b5, &buf[0]); |
| 256 | if (ret) |
| 257 | goto error; |
| 258 | |
| 259 | switch ((buf[0] >> 4) & 0x01) { |
| 260 | case 0: |
| 261 | c->inversion = INVERSION_OFF; |
| 262 | break; |
| 263 | case 1: |
| 264 | c->inversion = INVERSION_ON; |
| 265 | break; |
| 266 | } |
| 267 | |
| 268 | return ret; |
| 269 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 270 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 271 | return ret; |
| 272 | } |
| 273 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 274 | int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 275 | { |
| 276 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 277 | int ret; |
| 278 | u8 buf[1]; |
| 279 | *status = 0; |
| 280 | |
| 281 | ret = cxd2820r_rd_reg(priv, 0x02010 , &buf[0]); |
| 282 | if (ret) |
| 283 | goto error; |
| 284 | |
| 285 | if ((buf[0] & 0x07) == 6) { |
| 286 | if (((buf[0] >> 5) & 0x01) == 1) { |
| 287 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | |
| 288 | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; |
| 289 | } else { |
| 290 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | |
| 291 | FE_HAS_VITERBI | FE_HAS_SYNC; |
| 292 | } |
| 293 | } |
| 294 | |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 295 | dev_dbg(&priv->i2c->dev, "%s: lock=%02x\n", __func__, buf[0]); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 296 | |
| 297 | return ret; |
| 298 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 299 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 300 | return ret; |
| 301 | } |
| 302 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 303 | int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 304 | { |
| 305 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 306 | int ret; |
| 307 | u8 buf[4]; |
| 308 | unsigned int errbits; |
| 309 | *ber = 0; |
| 310 | /* FIXME: correct calculation */ |
| 311 | |
| 312 | ret = cxd2820r_rd_regs(priv, 0x02039, buf, sizeof(buf)); |
| 313 | if (ret) |
| 314 | goto error; |
| 315 | |
| 316 | if ((buf[0] >> 4) & 0x01) { |
| 317 | errbits = (buf[0] & 0x0f) << 24 | buf[1] << 16 | |
| 318 | buf[2] << 8 | buf[3]; |
| 319 | |
| 320 | if (errbits) |
| 321 | *ber = errbits * 64 / 16588800; |
| 322 | } |
| 323 | |
| 324 | return ret; |
| 325 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 326 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 327 | return ret; |
| 328 | } |
| 329 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 330 | int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 331 | u16 *strength) |
| 332 | { |
| 333 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 334 | int ret; |
| 335 | u8 buf[2]; |
| 336 | u16 tmp; |
| 337 | |
| 338 | ret = cxd2820r_rd_regs(priv, 0x02026, buf, sizeof(buf)); |
| 339 | if (ret) |
| 340 | goto error; |
| 341 | |
| 342 | tmp = (buf[0] & 0x0f) << 8 | buf[1]; |
| 343 | tmp = ~tmp & 0x0fff; |
| 344 | |
| 345 | /* scale value to 0x0000-0xffff from 0x0000-0x0fff */ |
| 346 | *strength = tmp * 0xffff / 0x0fff; |
| 347 | |
| 348 | return ret; |
| 349 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 350 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 351 | return ret; |
| 352 | } |
| 353 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 354 | int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 355 | { |
| 356 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 357 | int ret; |
| 358 | u8 buf[2]; |
| 359 | u16 tmp; |
| 360 | /* report SNR in dB * 10 */ |
| 361 | |
| 362 | ret = cxd2820r_rd_regs(priv, 0x02028, buf, sizeof(buf)); |
| 363 | if (ret) |
| 364 | goto error; |
| 365 | |
| 366 | tmp = (buf[0] & 0x0f) << 8 | buf[1]; |
| 367 | #define CXD2820R_LOG10_8_24 15151336 /* log10(8) << 24 */ |
| 368 | if (tmp) |
| 369 | *snr = (intlog10(tmp) - CXD2820R_LOG10_8_24) / ((1 << 24) |
| 370 | / 100); |
| 371 | else |
| 372 | *snr = 0; |
| 373 | |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 374 | dev_dbg(&priv->i2c->dev, "%s: dBx10=%d val=%04x\n", __func__, *snr, |
| 375 | tmp); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 376 | |
| 377 | return ret; |
| 378 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 379 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 380 | return ret; |
| 381 | } |
| 382 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 383 | int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 384 | { |
| 385 | *ucblocks = 0; |
| 386 | /* no way to read ? */ |
| 387 | return 0; |
| 388 | } |
| 389 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 390 | int cxd2820r_sleep_t2(struct dvb_frontend *fe) |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 391 | { |
| 392 | struct cxd2820r_priv *priv = fe->demodulator_priv; |
| 393 | int ret, i; |
| 394 | struct reg_val_mask tab[] = { |
| 395 | { 0x000ff, 0x1f, 0xff }, |
| 396 | { 0x00085, 0x00, 0xff }, |
| 397 | { 0x00088, 0x01, 0xff }, |
| 398 | { 0x02069, 0x00, 0xff }, |
| 399 | { 0x00081, 0x00, 0xff }, |
| 400 | { 0x00080, 0x00, 0xff }, |
| 401 | }; |
| 402 | |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 403 | dev_dbg(&priv->i2c->dev, "%s\n", __func__); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 404 | |
| 405 | for (i = 0; i < ARRAY_SIZE(tab); i++) { |
| 406 | ret = cxd2820r_wr_reg_mask(priv, tab[i].reg, tab[i].val, |
| 407 | tab[i].mask); |
| 408 | if (ret) |
| 409 | goto error; |
| 410 | } |
| 411 | |
| 412 | priv->delivery_system = SYS_UNDEFINED; |
| 413 | |
| 414 | return ret; |
| 415 | error: |
Antti Palosaari | 75aeafc | 2012-07-19 13:10:12 -0300 | [diff] [blame^] | 416 | dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 417 | return ret; |
| 418 | } |
| 419 | |
Steve Kerrison | 9ac51c5 | 2011-05-02 18:19:13 -0300 | [diff] [blame] | 420 | int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe, |
Antti Palosaari | 27cfc85 | 2011-04-07 16:27:43 -0300 | [diff] [blame] | 421 | struct dvb_frontend_tune_settings *s) |
| 422 | { |
| 423 | s->min_delay_ms = 1500; |
| 424 | s->step_size = fe->ops.info.frequency_stepsize * 2; |
| 425 | s->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1; |
| 426 | |
| 427 | return 0; |
| 428 | } |