Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Montage M88TS2022 silicon tuner driver |
| 3 | * |
| 4 | * Copyright (C) 2013 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 | * |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 16 | * Some calculations are taken from existing TS2020 driver. |
| 17 | */ |
| 18 | |
| 19 | #include "m88ts2022_priv.h" |
| 20 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 21 | static int m88ts2022_cmd(struct m88ts2022_dev *dev, int op, int sleep, u8 reg, |
| 22 | u8 mask, u8 val, u8 *reg_val) |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 23 | { |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 24 | int ret, i; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 25 | unsigned int utmp; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 26 | struct m88ts2022_reg_val reg_vals[] = { |
| 27 | {0x51, 0x1f - op}, |
| 28 | {0x51, 0x1f}, |
| 29 | {0x50, 0x00 + op}, |
| 30 | {0x50, 0x00}, |
| 31 | }; |
| 32 | |
| 33 | for (i = 0; i < 2; i++) { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 34 | dev_dbg(&dev->client->dev, |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 35 | "i=%d op=%02x reg=%02x mask=%02x val=%02x\n", |
| 36 | i, op, reg, mask, val); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 37 | |
| 38 | for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 39 | ret = regmap_write(dev->regmap, reg_vals[i].reg, |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 40 | reg_vals[i].val); |
| 41 | if (ret) |
| 42 | goto err; |
| 43 | } |
| 44 | |
| 45 | usleep_range(sleep * 1000, sleep * 10000); |
| 46 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 47 | ret = regmap_read(dev->regmap, reg, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 48 | if (ret) |
| 49 | goto err; |
| 50 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 51 | if ((utmp & mask) != val) |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 52 | break; |
| 53 | } |
| 54 | |
| 55 | if (reg_val) |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 56 | *reg_val = utmp; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 57 | err: |
| 58 | return ret; |
| 59 | } |
| 60 | |
| 61 | static int m88ts2022_set_params(struct dvb_frontend *fe) |
| 62 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 63 | struct m88ts2022_dev *dev = fe->tuner_priv; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 64 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 65 | int ret; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 66 | unsigned int utmp, frequency_khz, frequency_offset_khz, f_3db_hz; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 67 | unsigned int f_ref_khz, f_vco_khz, div_ref, div_out, pll_n, gdiv28; |
| 68 | u8 buf[3], u8tmp, cap_code, lpf_gm, lpf_mxdiv, div_max, div_min; |
| 69 | u16 u16tmp; |
Antti Palosaari | 6380b97 | 2014-08-21 16:22:02 -0300 | [diff] [blame] | 70 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 71 | dev_dbg(&dev->client->dev, |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 72 | "frequency=%d symbol_rate=%d rolloff=%d\n", |
| 73 | c->frequency, c->symbol_rate, c->rolloff); |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 74 | /* |
| 75 | * Integer-N PLL synthesizer |
| 76 | * kHz is used for all calculations to keep calculations within 32-bit |
| 77 | */ |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 78 | f_ref_khz = DIV_ROUND_CLOSEST(dev->cfg.clock, 1000); |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 79 | div_ref = DIV_ROUND_CLOSEST(f_ref_khz, 2000); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 80 | |
| 81 | if (c->symbol_rate < 5000000) |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 82 | frequency_offset_khz = 3000; /* 3 MHz */ |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 83 | else |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 84 | frequency_offset_khz = 0; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 85 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 86 | frequency_khz = c->frequency + frequency_offset_khz; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 87 | |
| 88 | if (frequency_khz < 1103000) { |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 89 | div_out = 4; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 90 | u8tmp = 0x1b; |
| 91 | } else { |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 92 | div_out = 2; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 93 | u8tmp = 0x0b; |
| 94 | } |
| 95 | |
| 96 | buf[0] = u8tmp; |
| 97 | buf[1] = 0x40; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 98 | ret = regmap_bulk_write(dev->regmap, 0x10, buf, 2); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 99 | if (ret) |
| 100 | goto err; |
| 101 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 102 | f_vco_khz = frequency_khz * div_out; |
| 103 | pll_n = f_vco_khz * div_ref / f_ref_khz; |
| 104 | pll_n += pll_n % 2; |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 105 | dev->frequency_khz = pll_n * f_ref_khz / div_ref / div_out; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 106 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 107 | if (pll_n < 4095) |
| 108 | u16tmp = pll_n - 1024; |
| 109 | else if (pll_n < 6143) |
| 110 | u16tmp = pll_n + 1024; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 111 | else |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 112 | u16tmp = pll_n + 3072; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 113 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 114 | buf[0] = (u16tmp >> 8) & 0x3f; |
| 115 | buf[1] = (u16tmp >> 0) & 0xff; |
| 116 | buf[2] = div_ref - 8; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 117 | ret = regmap_bulk_write(dev->regmap, 0x01, buf, 3); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 118 | if (ret) |
| 119 | goto err; |
| 120 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 121 | dev_dbg(&dev->client->dev, |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 122 | "frequency=%u offset=%d f_vco_khz=%u pll_n=%u div_ref=%u div_out=%u\n", |
| 123 | dev->frequency_khz, dev->frequency_khz - c->frequency, |
| 124 | f_vco_khz, pll_n, div_ref, div_out); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 125 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 126 | ret = m88ts2022_cmd(dev, 0x10, 5, 0x15, 0x40, 0x00, NULL); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 127 | if (ret) |
| 128 | goto err; |
| 129 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 130 | ret = regmap_read(dev->regmap, 0x14, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 131 | if (ret) |
| 132 | goto err; |
| 133 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 134 | utmp &= 0x7f; |
| 135 | if (utmp < 64) { |
| 136 | ret = regmap_update_bits(dev->regmap, 0x10, 0x80, 0x80); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 137 | if (ret) |
| 138 | goto err; |
| 139 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 140 | ret = regmap_write(dev->regmap, 0x11, 0x6f); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 141 | if (ret) |
| 142 | goto err; |
| 143 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 144 | ret = m88ts2022_cmd(dev, 0x10, 5, 0x15, 0x40, 0x00, NULL); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 145 | if (ret) |
| 146 | goto err; |
| 147 | } |
| 148 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 149 | ret = regmap_read(dev->regmap, 0x14, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 150 | if (ret) |
| 151 | goto err; |
| 152 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 153 | utmp &= 0x1f; |
| 154 | if (utmp > 19) { |
| 155 | ret = regmap_update_bits(dev->regmap, 0x10, 0x02, 0x00); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 156 | if (ret) |
| 157 | goto err; |
| 158 | } |
| 159 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 160 | ret = m88ts2022_cmd(dev, 0x08, 5, 0x3c, 0xff, 0x00, NULL); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 161 | if (ret) |
| 162 | goto err; |
| 163 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 164 | ret = regmap_write(dev->regmap, 0x25, 0x00); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 165 | if (ret) |
| 166 | goto err; |
| 167 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 168 | ret = regmap_write(dev->regmap, 0x27, 0x70); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 169 | if (ret) |
| 170 | goto err; |
| 171 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 172 | ret = regmap_write(dev->regmap, 0x41, 0x09); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 173 | if (ret) |
| 174 | goto err; |
| 175 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 176 | ret = regmap_write(dev->regmap, 0x08, 0x0b); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 177 | if (ret) |
| 178 | goto err; |
| 179 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 180 | /* filters */ |
| 181 | gdiv28 = DIV_ROUND_CLOSEST(f_ref_khz * 1694U, 1000000U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 182 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 183 | ret = regmap_write(dev->regmap, 0x04, gdiv28); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 184 | if (ret) |
| 185 | goto err; |
| 186 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 187 | ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 188 | if (ret) |
| 189 | goto err; |
| 190 | |
| 191 | cap_code = u8tmp & 0x3f; |
| 192 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 193 | ret = regmap_write(dev->regmap, 0x41, 0x0d); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 194 | if (ret) |
| 195 | goto err; |
| 196 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 197 | ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 198 | if (ret) |
| 199 | goto err; |
| 200 | |
| 201 | u8tmp &= 0x3f; |
| 202 | cap_code = (cap_code + u8tmp) / 2; |
| 203 | gdiv28 = gdiv28 * 207 / (cap_code * 2 + 151); |
| 204 | div_max = gdiv28 * 135 / 100; |
| 205 | div_min = gdiv28 * 78 / 100; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 206 | div_max = clamp_val(div_max, 0U, 63U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 207 | |
Antti Palosaari | f538e08 | 2014-08-21 14:02:27 -0300 | [diff] [blame] | 208 | f_3db_hz = mult_frac(c->symbol_rate, 135, 200); |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 209 | f_3db_hz += 2000000U + (frequency_offset_khz * 1000U); |
| 210 | f_3db_hz = clamp(f_3db_hz, 7000000U, 40000000U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 211 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 212 | #define LPF_COEFF 3200U |
| 213 | lpf_gm = DIV_ROUND_CLOSEST(f_3db_hz * gdiv28, LPF_COEFF * f_ref_khz); |
| 214 | lpf_gm = clamp_val(lpf_gm, 1U, 23U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 215 | |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 216 | lpf_mxdiv = DIV_ROUND_CLOSEST(lpf_gm * LPF_COEFF * f_ref_khz, f_3db_hz); |
| 217 | if (lpf_mxdiv < div_min) |
| 218 | lpf_mxdiv = DIV_ROUND_CLOSEST(++lpf_gm * LPF_COEFF * f_ref_khz, f_3db_hz); |
| 219 | lpf_mxdiv = clamp_val(lpf_mxdiv, 0U, div_max); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 220 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 221 | ret = regmap_write(dev->regmap, 0x04, lpf_mxdiv); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 222 | if (ret) |
| 223 | goto err; |
| 224 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 225 | ret = regmap_write(dev->regmap, 0x06, lpf_gm); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 226 | if (ret) |
| 227 | goto err; |
| 228 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 229 | ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 230 | if (ret) |
| 231 | goto err; |
| 232 | |
| 233 | cap_code = u8tmp & 0x3f; |
| 234 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 235 | ret = regmap_write(dev->regmap, 0x41, 0x09); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 236 | if (ret) |
| 237 | goto err; |
| 238 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 239 | ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 240 | if (ret) |
| 241 | goto err; |
| 242 | |
| 243 | u8tmp &= 0x3f; |
| 244 | cap_code = (cap_code + u8tmp) / 2; |
| 245 | |
| 246 | u8tmp = cap_code | 0x80; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 247 | ret = regmap_write(dev->regmap, 0x25, u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 248 | if (ret) |
| 249 | goto err; |
| 250 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 251 | ret = regmap_write(dev->regmap, 0x27, 0x30); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 252 | if (ret) |
| 253 | goto err; |
| 254 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 255 | ret = regmap_write(dev->regmap, 0x08, 0x09); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 256 | if (ret) |
| 257 | goto err; |
| 258 | |
Antti Palosaari | f461694 | 2014-08-21 18:32:28 -0300 | [diff] [blame] | 259 | ret = m88ts2022_cmd(dev, 0x01, 20, 0x21, 0xff, 0x00, NULL); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 260 | if (ret) |
| 261 | goto err; |
| 262 | err: |
| 263 | if (ret) |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 264 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 265 | |
| 266 | return ret; |
| 267 | } |
| 268 | |
| 269 | static int m88ts2022_init(struct dvb_frontend *fe) |
| 270 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 271 | struct m88ts2022_dev *dev = fe->tuner_priv; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 272 | int ret, i; |
| 273 | u8 u8tmp; |
| 274 | static const struct m88ts2022_reg_val reg_vals[] = { |
| 275 | {0x7d, 0x9d}, |
| 276 | {0x7c, 0x9a}, |
| 277 | {0x7a, 0x76}, |
| 278 | {0x3b, 0x01}, |
| 279 | {0x63, 0x88}, |
| 280 | {0x61, 0x85}, |
| 281 | {0x22, 0x30}, |
| 282 | {0x30, 0x40}, |
| 283 | {0x20, 0x23}, |
| 284 | {0x24, 0x02}, |
| 285 | {0x12, 0xa0}, |
| 286 | }; |
Antti Palosaari | 6380b97 | 2014-08-21 16:22:02 -0300 | [diff] [blame] | 287 | |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 288 | dev_dbg(&dev->client->dev, "\n"); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 289 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 290 | ret = regmap_write(dev->regmap, 0x00, 0x01); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 291 | if (ret) |
| 292 | goto err; |
| 293 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 294 | ret = regmap_write(dev->regmap, 0x00, 0x03); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 295 | if (ret) |
| 296 | goto err; |
| 297 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 298 | switch (dev->cfg.clock_out) { |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 299 | case M88TS2022_CLOCK_OUT_DISABLED: |
| 300 | u8tmp = 0x60; |
| 301 | break; |
| 302 | case M88TS2022_CLOCK_OUT_ENABLED: |
| 303 | u8tmp = 0x70; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 304 | ret = regmap_write(dev->regmap, 0x05, dev->cfg.clock_out_div); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 305 | if (ret) |
| 306 | goto err; |
| 307 | break; |
| 308 | case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT: |
| 309 | u8tmp = 0x6c; |
| 310 | break; |
| 311 | default: |
| 312 | goto err; |
| 313 | } |
| 314 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 315 | ret = regmap_write(dev->regmap, 0x42, u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 316 | if (ret) |
| 317 | goto err; |
| 318 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 319 | if (dev->cfg.loop_through) |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 320 | u8tmp = 0xec; |
| 321 | else |
| 322 | u8tmp = 0x6c; |
| 323 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 324 | ret = regmap_write(dev->regmap, 0x62, u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 325 | if (ret) |
| 326 | goto err; |
| 327 | |
| 328 | for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 329 | ret = regmap_write(dev->regmap, reg_vals[i].reg, reg_vals[i].val); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 330 | if (ret) |
| 331 | goto err; |
| 332 | } |
| 333 | err: |
| 334 | if (ret) |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 335 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 336 | return ret; |
| 337 | } |
| 338 | |
| 339 | static int m88ts2022_sleep(struct dvb_frontend *fe) |
| 340 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 341 | struct m88ts2022_dev *dev = fe->tuner_priv; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 342 | int ret; |
Antti Palosaari | 6380b97 | 2014-08-21 16:22:02 -0300 | [diff] [blame] | 343 | |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 344 | dev_dbg(&dev->client->dev, "\n"); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 345 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 346 | ret = regmap_write(dev->regmap, 0x00, 0x00); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 347 | if (ret) |
| 348 | goto err; |
| 349 | err: |
| 350 | if (ret) |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 351 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 352 | return ret; |
| 353 | } |
| 354 | |
| 355 | static int m88ts2022_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
| 356 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 357 | struct m88ts2022_dev *dev = fe->tuner_priv; |
Antti Palosaari | 6380b97 | 2014-08-21 16:22:02 -0300 | [diff] [blame] | 358 | |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 359 | dev_dbg(&dev->client->dev, "\n"); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 360 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 361 | *frequency = dev->frequency_khz; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | static int m88ts2022_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
| 366 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 367 | struct m88ts2022_dev *dev = fe->tuner_priv; |
Antti Palosaari | 6380b97 | 2014-08-21 16:22:02 -0300 | [diff] [blame] | 368 | |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 369 | dev_dbg(&dev->client->dev, "\n"); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 370 | |
| 371 | *frequency = 0; /* Zero-IF */ |
| 372 | return 0; |
| 373 | } |
| 374 | |
| 375 | static int m88ts2022_get_rf_strength(struct dvb_frontend *fe, u16 *strength) |
| 376 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 377 | struct m88ts2022_dev *dev = fe->tuner_priv; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 378 | int ret; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 379 | u16 gain, u16tmp; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 380 | unsigned int utmp, gain1, gain2, gain3; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 381 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 382 | ret = regmap_read(dev->regmap, 0x3d, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 383 | if (ret) |
| 384 | goto err; |
| 385 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 386 | gain1 = (utmp >> 0) & 0x1f; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 387 | gain1 = clamp(gain1, 0U, 15U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 388 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 389 | ret = regmap_read(dev->regmap, 0x21, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 390 | if (ret) |
| 391 | goto err; |
| 392 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 393 | gain2 = (utmp >> 0) & 0x1f; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 394 | gain2 = clamp(gain2, 2U, 16U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 395 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 396 | ret = regmap_read(dev->regmap, 0x66, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 397 | if (ret) |
| 398 | goto err; |
| 399 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 400 | gain3 = (utmp >> 3) & 0x07; |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 401 | gain3 = clamp(gain3, 0U, 6U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 402 | |
| 403 | gain = gain1 * 265 + gain2 * 338 + gain3 * 285; |
| 404 | |
| 405 | /* scale value to 0x0000-0xffff */ |
| 406 | u16tmp = (0xffff - gain); |
Antti Palosaari | c19314b | 2013-12-02 01:39:24 -0300 | [diff] [blame] | 407 | u16tmp = clamp_val(u16tmp, 59000U, 61500U); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 408 | |
| 409 | *strength = (u16tmp - 59000) * 0xffff / (61500 - 59000); |
| 410 | err: |
| 411 | if (ret) |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 412 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 413 | return ret; |
| 414 | } |
| 415 | |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 416 | static const struct dvb_tuner_ops m88ts2022_tuner_ops = { |
| 417 | .info = { |
| 418 | .name = "Montage M88TS2022", |
| 419 | .frequency_min = 950000, |
| 420 | .frequency_max = 2150000, |
| 421 | }, |
| 422 | |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 423 | .init = m88ts2022_init, |
| 424 | .sleep = m88ts2022_sleep, |
| 425 | .set_params = m88ts2022_set_params, |
| 426 | |
| 427 | .get_frequency = m88ts2022_get_frequency, |
| 428 | .get_if_frequency = m88ts2022_get_if_frequency, |
| 429 | .get_rf_strength = m88ts2022_get_rf_strength, |
| 430 | }; |
| 431 | |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 432 | static int m88ts2022_probe(struct i2c_client *client, |
| 433 | const struct i2c_device_id *id) |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 434 | { |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 435 | struct m88ts2022_config *cfg = client->dev.platform_data; |
| 436 | struct dvb_frontend *fe = cfg->fe; |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 437 | struct m88ts2022_dev *dev; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 438 | int ret; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 439 | u8 u8tmp; |
| 440 | unsigned int utmp; |
| 441 | static const struct regmap_config regmap_config = { |
| 442 | .reg_bits = 8, |
| 443 | .val_bits = 8, |
| 444 | }; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 445 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 446 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 447 | if (!dev) { |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 448 | ret = -ENOMEM; |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 449 | dev_err(&client->dev, "kzalloc() failed\n"); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 450 | goto err; |
| 451 | } |
| 452 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 453 | memcpy(&dev->cfg, cfg, sizeof(struct m88ts2022_config)); |
| 454 | dev->client = client; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 455 | dev->regmap = devm_regmap_init_i2c(client, ®map_config); |
| 456 | if (IS_ERR(dev->regmap)) { |
| 457 | ret = PTR_ERR(dev->regmap); |
| 458 | goto err; |
| 459 | } |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 460 | |
| 461 | /* check if the tuner is there */ |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 462 | ret = regmap_read(dev->regmap, 0x00, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 463 | if (ret) |
| 464 | goto err; |
| 465 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 466 | if ((utmp & 0x03) == 0x00) { |
| 467 | ret = regmap_write(dev->regmap, 0x00, 0x01); |
| 468 | if (ret) |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 469 | goto err; |
| 470 | |
| 471 | usleep_range(2000, 50000); |
| 472 | } |
| 473 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 474 | ret = regmap_write(dev->regmap, 0x00, 0x03); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 475 | if (ret) |
| 476 | goto err; |
| 477 | |
| 478 | usleep_range(2000, 50000); |
| 479 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 480 | ret = regmap_read(dev->regmap, 0x00, &utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 481 | if (ret) |
| 482 | goto err; |
| 483 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 484 | dev_dbg(&dev->client->dev, "chip_id=%02x\n", utmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 485 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 486 | switch (utmp) { |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 487 | case 0xc3: |
| 488 | case 0x83: |
| 489 | break; |
| 490 | default: |
nibble.max | 4954578 | 2014-10-23 10:36:49 -0300 | [diff] [blame] | 491 | ret = -ENODEV; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 492 | goto err; |
| 493 | } |
| 494 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 495 | switch (dev->cfg.clock_out) { |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 496 | case M88TS2022_CLOCK_OUT_DISABLED: |
| 497 | u8tmp = 0x60; |
| 498 | break; |
| 499 | case M88TS2022_CLOCK_OUT_ENABLED: |
| 500 | u8tmp = 0x70; |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 501 | ret = regmap_write(dev->regmap, 0x05, dev->cfg.clock_out_div); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 502 | if (ret) |
| 503 | goto err; |
| 504 | break; |
| 505 | case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT: |
| 506 | u8tmp = 0x6c; |
| 507 | break; |
| 508 | default: |
nibble.max | 4954578 | 2014-10-23 10:36:49 -0300 | [diff] [blame] | 509 | ret = -EINVAL; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 510 | goto err; |
| 511 | } |
| 512 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 513 | ret = regmap_write(dev->regmap, 0x42, u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 514 | if (ret) |
| 515 | goto err; |
| 516 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 517 | if (dev->cfg.loop_through) |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 518 | u8tmp = 0xec; |
| 519 | else |
| 520 | u8tmp = 0x6c; |
| 521 | |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 522 | ret = regmap_write(dev->regmap, 0x62, u8tmp); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 523 | if (ret) |
| 524 | goto err; |
| 525 | |
| 526 | /* sleep */ |
Antti Palosaari | 35c77a8 | 2014-08-21 18:22:05 -0300 | [diff] [blame] | 527 | ret = regmap_write(dev->regmap, 0x00, 0x00); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 528 | if (ret) |
| 529 | goto err; |
| 530 | |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 531 | dev_info(&dev->client->dev, "Montage M88TS2022 successfully identified\n"); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 532 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 533 | fe->tuner_priv = dev; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 534 | memcpy(&fe->ops.tuner_ops, &m88ts2022_tuner_ops, |
| 535 | sizeof(struct dvb_tuner_ops)); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 536 | |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 537 | i2c_set_clientdata(client, dev); |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 538 | return 0; |
| 539 | err: |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 540 | dev_dbg(&client->dev, "failed=%d\n", ret); |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 541 | kfree(dev); |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 542 | return ret; |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 543 | } |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 544 | |
| 545 | static int m88ts2022_remove(struct i2c_client *client) |
| 546 | { |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 547 | struct m88ts2022_dev *dev = i2c_get_clientdata(client); |
| 548 | struct dvb_frontend *fe = dev->cfg.fe; |
Antti Palosaari | 6380b97 | 2014-08-21 16:22:02 -0300 | [diff] [blame] | 549 | |
Antti Palosaari | b8d67ab | 2014-08-21 17:07:17 -0300 | [diff] [blame] | 550 | dev_dbg(&client->dev, "\n"); |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 551 | |
| 552 | memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); |
| 553 | fe->tuner_priv = NULL; |
Antti Palosaari | eb773df | 2014-08-21 16:27:55 -0300 | [diff] [blame] | 554 | kfree(dev); |
Antti Palosaari | eafa2ad | 2013-12-02 18:38:41 -0300 | [diff] [blame] | 555 | |
| 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | static const struct i2c_device_id m88ts2022_id[] = { |
| 560 | {"m88ts2022", 0}, |
| 561 | {} |
| 562 | }; |
| 563 | MODULE_DEVICE_TABLE(i2c, m88ts2022_id); |
| 564 | |
| 565 | static struct i2c_driver m88ts2022_driver = { |
| 566 | .driver = { |
| 567 | .owner = THIS_MODULE, |
| 568 | .name = "m88ts2022", |
| 569 | }, |
| 570 | .probe = m88ts2022_probe, |
| 571 | .remove = m88ts2022_remove, |
| 572 | .id_table = m88ts2022_id, |
| 573 | }; |
| 574 | |
| 575 | module_i2c_driver(m88ts2022_driver); |
Antti Palosaari | 695efd0 | 2013-02-25 08:43:32 -0300 | [diff] [blame] | 576 | |
| 577 | MODULE_DESCRIPTION("Montage M88TS2022 silicon tuner driver"); |
| 578 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
| 579 | MODULE_LICENSE("GPL"); |