Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1 | /* |
Michael Krufky | 6ca04de | 2007-11-23 16:52:15 -0300 | [diff] [blame] | 2 | tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 3 | |
Michael Krufky | 59067f7 | 2008-01-02 01:58:26 -0300 | [diff] [blame] | 4 | Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 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 |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 21 | #include <linux/delay.h> |
| 22 | #include <linux/videodev2.h> |
Michael Krufky | 6ca04de | 2007-11-23 16:52:15 -0300 | [diff] [blame] | 23 | #include "tda18271-priv.h" |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 24 | |
Michael Krufky | b5f3e1e | 2007-12-02 16:36:05 -0300 | [diff] [blame] | 25 | int tda18271_debug; |
Michael Krufky | 54465b0 | 2007-11-23 18:14:53 -0300 | [diff] [blame] | 26 | module_param_named(debug, tda18271_debug, int, 0644); |
Michael Krufky | 0e1fab9 | 2008-01-03 01:40:47 -0300 | [diff] [blame] | 27 | MODULE_PARM_DESC(debug, "set debug level " |
Michael Krufky | cf04d29 | 2008-01-09 00:34:30 -0300 | [diff] [blame] | 28 | "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 29 | |
Michael Krufky | bc835d8 | 2008-01-14 11:10:54 -0300 | [diff] [blame] | 30 | static int tda18271_cal_on_startup; |
Michael Krufky | 0f96251 | 2008-01-13 22:01:07 -0300 | [diff] [blame] | 31 | module_param_named(cal, tda18271_cal_on_startup, int, 0644); |
| 32 | MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); |
| 33 | |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 34 | static DEFINE_MUTEX(tda18271_list_mutex); |
Michael Krufky | f9e315a | 2008-04-22 14:41:54 -0300 | [diff] [blame] | 35 | static LIST_HEAD(hybrid_tuner_instance_list); |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 36 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 37 | /*---------------------------------------------------------------------*/ |
| 38 | |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 39 | static inline int charge_pump_source(struct dvb_frontend *fe, int force) |
| 40 | { |
| 41 | struct tda18271_priv *priv = fe->tuner_priv; |
| 42 | return tda18271_charge_pump_source(fe, |
| 43 | (priv->role == TDA18271_SLAVE) ? |
| 44 | TDA18271_CAL_PLL : |
| 45 | TDA18271_MAIN_PLL, force); |
| 46 | } |
| 47 | |
Michael Krufky | 44e645c | 2008-06-08 20:10:29 -0300 | [diff] [blame^] | 48 | static inline void tda18271_set_if_notch(struct dvb_frontend *fe) |
| 49 | { |
| 50 | struct tda18271_priv *priv = fe->tuner_priv; |
| 51 | unsigned char *regs = priv->tda18271_regs; |
| 52 | |
| 53 | switch (priv->mode) { |
| 54 | case TDA18271_ANALOG: |
| 55 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ |
| 56 | break; |
| 57 | case TDA18271_DIGITAL: |
| 58 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ |
| 59 | break; |
| 60 | } |
| 61 | } |
| 62 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 63 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 64 | struct tda18271_std_map_item *map, |
| 65 | u32 freq, u32 bw) |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 66 | { |
| 67 | struct tda18271_priv *priv = fe->tuner_priv; |
| 68 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 69 | int ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 70 | u32 N; |
| 71 | |
| 72 | /* update TV broadcast parameters */ |
| 73 | |
| 74 | /* set standard */ |
| 75 | regs[R_EP3] &= ~0x1f; /* clear std bits */ |
Michael Krufky | 7f7203d | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 76 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 77 | |
Michael Krufky | 40194b2 | 2008-04-22 14:46:22 -0300 | [diff] [blame] | 78 | /* set rfagc to high speed mode */ |
| 79 | regs[R_EP3] &= ~0x04; |
| 80 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 81 | /* set cal mode to normal */ |
| 82 | regs[R_EP4] &= ~0x03; |
| 83 | |
Michael Krufky | 44e645c | 2008-06-08 20:10:29 -0300 | [diff] [blame^] | 84 | /* update IF output level */ |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 85 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
Michael Krufky | 14c74b2 | 2008-04-22 14:46:21 -0300 | [diff] [blame] | 86 | regs[R_EP4] |= (map->if_lvl << 2); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 87 | |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 88 | /* update FM_RFn */ |
| 89 | regs[R_EP4] &= ~0x80; |
| 90 | regs[R_EP4] |= map->fm_rfn << 7; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 91 | |
Michael Krufky | c0dc0c1 | 2008-04-22 14:46:22 -0300 | [diff] [blame] | 92 | /* update rf top / if top */ |
| 93 | regs[R_EB22] = 0x00; |
| 94 | regs[R_EB22] |= map->rfagc_top; |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 95 | ret = tda18271_write_regs(fe, R_EB22, 1); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 96 | if (tda_fail(ret)) |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 97 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 98 | |
| 99 | /* --------------------------------------------------------------- */ |
| 100 | |
| 101 | /* disable Power Level Indicator */ |
| 102 | regs[R_EP1] |= 0x40; |
| 103 | |
| 104 | /* frequency dependent parameters */ |
| 105 | |
| 106 | tda18271_calc_ir_measure(fe, &freq); |
| 107 | |
| 108 | tda18271_calc_bp_filter(fe, &freq); |
| 109 | |
| 110 | tda18271_calc_rf_band(fe, &freq); |
| 111 | |
| 112 | tda18271_calc_gain_taper(fe, &freq); |
| 113 | |
| 114 | /* --------------------------------------------------------------- */ |
| 115 | |
| 116 | /* dual tuner and agc1 extra configuration */ |
| 117 | |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 118 | switch (priv->role) { |
| 119 | case TDA18271_MASTER: |
| 120 | regs[R_EB1] |= 0x04; /* main vco */ |
| 121 | break; |
| 122 | case TDA18271_SLAVE: |
| 123 | regs[R_EB1] &= ~0x04; /* cal vco */ |
| 124 | break; |
| 125 | } |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 126 | |
| 127 | /* agc1 always active */ |
| 128 | regs[R_EB1] &= ~0x02; |
| 129 | |
| 130 | /* agc1 has priority on agc2 */ |
| 131 | regs[R_EB1] &= ~0x01; |
| 132 | |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 133 | ret = tda18271_write_regs(fe, R_EB1, 1); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 134 | if (tda_fail(ret)) |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 135 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 136 | |
| 137 | /* --------------------------------------------------------------- */ |
| 138 | |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 139 | N = map->if_freq * 1000 + freq; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 140 | |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 141 | switch (priv->role) { |
| 142 | case TDA18271_MASTER: |
| 143 | tda18271_calc_main_pll(fe, N); |
Michael Krufky | 44e645c | 2008-06-08 20:10:29 -0300 | [diff] [blame^] | 144 | tda18271_set_if_notch(fe); |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 145 | tda18271_write_regs(fe, R_MPD, 4); |
| 146 | break; |
| 147 | case TDA18271_SLAVE: |
| 148 | tda18271_calc_cal_pll(fe, N); |
| 149 | tda18271_write_regs(fe, R_CPD, 4); |
| 150 | |
| 151 | regs[R_MPD] = regs[R_CPD] & 0x7f; |
Michael Krufky | 44e645c | 2008-06-08 20:10:29 -0300 | [diff] [blame^] | 152 | tda18271_set_if_notch(fe); |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 153 | tda18271_write_regs(fe, R_MPD, 1); |
| 154 | break; |
| 155 | } |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 156 | |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 157 | ret = tda18271_write_regs(fe, R_TM, 7); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 158 | if (tda_fail(ret)) |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 159 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 160 | |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 161 | /* force charge pump source */ |
| 162 | charge_pump_source(fe, 1); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 163 | |
| 164 | msleep(1); |
| 165 | |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 166 | /* return pll to normal operation */ |
| 167 | charge_pump_source(fe, 0); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 168 | |
Michael Krufky | 40194b2 | 2008-04-22 14:46:22 -0300 | [diff] [blame] | 169 | msleep(20); |
| 170 | |
| 171 | /* set rfagc to normal speed mode */ |
| 172 | if (map->fm_rfn) |
| 173 | regs[R_EP3] &= ~0x04; |
| 174 | else |
| 175 | regs[R_EP3] |= 0x04; |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 176 | ret = tda18271_write_regs(fe, R_EP3, 1); |
| 177 | fail: |
| 178 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | static int tda18271_read_thermometer(struct dvb_frontend *fe) |
| 182 | { |
| 183 | struct tda18271_priv *priv = fe->tuner_priv; |
| 184 | unsigned char *regs = priv->tda18271_regs; |
| 185 | int tm; |
| 186 | |
| 187 | /* switch thermometer on */ |
| 188 | regs[R_TM] |= 0x10; |
| 189 | tda18271_write_regs(fe, R_TM, 1); |
| 190 | |
| 191 | /* read thermometer info */ |
| 192 | tda18271_read_regs(fe); |
| 193 | |
| 194 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || |
| 195 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { |
| 196 | |
| 197 | if ((regs[R_TM] & 0x20) == 0x20) |
| 198 | regs[R_TM] &= ~0x20; |
| 199 | else |
| 200 | regs[R_TM] |= 0x20; |
| 201 | |
| 202 | tda18271_write_regs(fe, R_TM, 1); |
| 203 | |
| 204 | msleep(10); /* temperature sensing */ |
| 205 | |
| 206 | /* read thermometer info */ |
| 207 | tda18271_read_regs(fe); |
| 208 | } |
| 209 | |
| 210 | tm = tda18271_lookup_thermometer(fe); |
| 211 | |
| 212 | /* switch thermometer off */ |
| 213 | regs[R_TM] &= ~0x10; |
| 214 | tda18271_write_regs(fe, R_TM, 1); |
| 215 | |
| 216 | /* set CAL mode to normal */ |
| 217 | regs[R_EP4] &= ~0x03; |
| 218 | tda18271_write_regs(fe, R_EP4, 1); |
| 219 | |
| 220 | return tm; |
| 221 | } |
| 222 | |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 223 | /* ------------------------------------------------------------------ */ |
| 224 | |
Michael Krufky | d1c5342 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 225 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
| 226 | u32 freq) |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 227 | { |
| 228 | struct tda18271_priv *priv = fe->tuner_priv; |
| 229 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; |
| 230 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 20f4206 | 2008-05-04 19:57:06 -0300 | [diff] [blame] | 231 | int tm_current, rfcal_comp, approx, i, ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 232 | u8 dc_over_dt, rf_tab; |
| 233 | |
| 234 | /* power up */ |
Michael Krufky | 20f4206 | 2008-05-04 19:57:06 -0300 | [diff] [blame] | 235 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 236 | if (tda_fail(ret)) |
Michael Krufky | 20f4206 | 2008-05-04 19:57:06 -0300 | [diff] [blame] | 237 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 238 | |
| 239 | /* read die current temperature */ |
| 240 | tm_current = tda18271_read_thermometer(fe); |
| 241 | |
| 242 | /* frequency dependent parameters */ |
| 243 | |
| 244 | tda18271_calc_rf_cal(fe, &freq); |
| 245 | rf_tab = regs[R_EB14]; |
| 246 | |
| 247 | i = tda18271_lookup_rf_band(fe, &freq, NULL); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 248 | if (tda_fail(i)) |
| 249 | return i; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 250 | |
| 251 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { |
| 252 | approx = map[i].rf_a1 * |
| 253 | (freq / 1000 - map[i].rf1) + map[i].rf_b1 + rf_tab; |
| 254 | } else { |
| 255 | approx = map[i].rf_a2 * |
| 256 | (freq / 1000 - map[i].rf2) + map[i].rf_b2 + rf_tab; |
| 257 | } |
| 258 | |
| 259 | if (approx < 0) |
| 260 | approx = 0; |
| 261 | if (approx > 255) |
| 262 | approx = 255; |
| 263 | |
| 264 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); |
| 265 | |
| 266 | /* calculate temperature compensation */ |
Michael Krufky | 09f83c4 | 2008-01-05 20:00:09 -0300 | [diff] [blame] | 267 | rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 268 | |
| 269 | regs[R_EB14] = approx + rfcal_comp; |
Michael Krufky | 20f4206 | 2008-05-04 19:57:06 -0300 | [diff] [blame] | 270 | ret = tda18271_write_regs(fe, R_EB14, 1); |
| 271 | fail: |
| 272 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | static int tda18271_por(struct dvb_frontend *fe) |
| 276 | { |
| 277 | struct tda18271_priv *priv = fe->tuner_priv; |
| 278 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 279 | int ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 280 | |
| 281 | /* power up detector 1 */ |
| 282 | regs[R_EB12] &= ~0x20; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 283 | ret = tda18271_write_regs(fe, R_EB12, 1); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 284 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 285 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 286 | |
| 287 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ |
| 288 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 289 | ret = tda18271_write_regs(fe, R_EB18, 1); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 290 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 291 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 292 | |
| 293 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ |
| 294 | |
| 295 | /* POR mode */ |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 296 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 297 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 298 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 299 | |
| 300 | /* disable 1.5 MHz low pass filter */ |
| 301 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ |
| 302 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 303 | ret = tda18271_write_regs(fe, R_EB21, 3); |
| 304 | fail: |
| 305 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) |
| 309 | { |
| 310 | struct tda18271_priv *priv = fe->tuner_priv; |
| 311 | unsigned char *regs = priv->tda18271_regs; |
| 312 | u32 N; |
| 313 | |
| 314 | /* set CAL mode to normal */ |
| 315 | regs[R_EP4] &= ~0x03; |
| 316 | tda18271_write_regs(fe, R_EP4, 1); |
| 317 | |
| 318 | /* switch off agc1 */ |
| 319 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ |
| 320 | |
| 321 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ |
| 322 | tda18271_write_regs(fe, R_EB18, 1); |
| 323 | |
| 324 | /* frequency dependent parameters */ |
| 325 | |
| 326 | tda18271_calc_bp_filter(fe, &freq); |
| 327 | tda18271_calc_gain_taper(fe, &freq); |
| 328 | tda18271_calc_rf_band(fe, &freq); |
| 329 | tda18271_calc_km(fe, &freq); |
| 330 | |
| 331 | tda18271_write_regs(fe, R_EP1, 3); |
| 332 | tda18271_write_regs(fe, R_EB13, 1); |
| 333 | |
| 334 | /* main pll charge pump source */ |
Michael Krufky | 4efb0ca | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 335 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 336 | |
| 337 | /* cal pll charge pump source */ |
Michael Krufky | 4efb0ca | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 338 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 339 | |
| 340 | /* force dcdc converter to 0 V */ |
| 341 | regs[R_EB14] = 0x00; |
| 342 | tda18271_write_regs(fe, R_EB14, 1); |
| 343 | |
| 344 | /* disable plls lock */ |
| 345 | regs[R_EB20] &= ~0x20; |
| 346 | tda18271_write_regs(fe, R_EB20, 1); |
| 347 | |
| 348 | /* set CAL mode to RF tracking filter calibration */ |
| 349 | regs[R_EP4] |= 0x03; |
| 350 | tda18271_write_regs(fe, R_EP4, 2); |
| 351 | |
| 352 | /* --------------------------------------------------------------- */ |
| 353 | |
| 354 | /* set the internal calibration signal */ |
| 355 | N = freq; |
| 356 | |
Michael Krufky | ae07d04 | 2008-04-22 14:46:21 -0300 | [diff] [blame] | 357 | tda18271_calc_cal_pll(fe, N); |
| 358 | tda18271_write_regs(fe, R_CPD, 4); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 359 | |
| 360 | /* downconvert internal calibration */ |
| 361 | N += 1000000; |
| 362 | |
| 363 | tda18271_calc_main_pll(fe, N); |
| 364 | tda18271_write_regs(fe, R_MPD, 4); |
| 365 | |
| 366 | msleep(5); |
| 367 | |
| 368 | tda18271_write_regs(fe, R_EP2, 1); |
| 369 | tda18271_write_regs(fe, R_EP1, 1); |
| 370 | tda18271_write_regs(fe, R_EP2, 1); |
| 371 | tda18271_write_regs(fe, R_EP1, 1); |
| 372 | |
| 373 | /* --------------------------------------------------------------- */ |
| 374 | |
| 375 | /* normal operation for the main pll */ |
Michael Krufky | 4efb0ca | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 376 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 377 | |
| 378 | /* normal operation for the cal pll */ |
Michael Krufky | 4efb0ca | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 379 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 380 | |
Michael Krufky | ae07d04 | 2008-04-22 14:46:21 -0300 | [diff] [blame] | 381 | msleep(10); /* plls locking */ |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 382 | |
| 383 | /* launch the rf tracking filters calibration */ |
| 384 | regs[R_EB20] |= 0x20; |
| 385 | tda18271_write_regs(fe, R_EB20, 1); |
| 386 | |
| 387 | msleep(60); /* calibration */ |
| 388 | |
| 389 | /* --------------------------------------------------------------- */ |
| 390 | |
| 391 | /* set CAL mode to normal */ |
| 392 | regs[R_EP4] &= ~0x03; |
| 393 | |
| 394 | /* switch on agc1 */ |
| 395 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ |
| 396 | |
| 397 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ |
| 398 | tda18271_write_regs(fe, R_EB18, 1); |
| 399 | |
| 400 | tda18271_write_regs(fe, R_EP3, 2); |
| 401 | |
| 402 | /* synchronization */ |
| 403 | tda18271_write_regs(fe, R_EP1, 1); |
| 404 | |
| 405 | /* get calibration result */ |
| 406 | tda18271_read_extended(fe); |
| 407 | |
| 408 | return regs[R_EB14]; |
| 409 | } |
| 410 | |
| 411 | static int tda18271_powerscan(struct dvb_frontend *fe, |
| 412 | u32 *freq_in, u32 *freq_out) |
| 413 | { |
| 414 | struct tda18271_priv *priv = fe->tuner_priv; |
| 415 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 416 | int sgn, bcal, count, wait, ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 417 | u8 cid_target; |
| 418 | u16 count_limit; |
| 419 | u32 freq; |
| 420 | |
| 421 | freq = *freq_in; |
| 422 | |
| 423 | tda18271_calc_rf_band(fe, &freq); |
| 424 | tda18271_calc_rf_cal(fe, &freq); |
| 425 | tda18271_calc_gain_taper(fe, &freq); |
| 426 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); |
| 427 | |
| 428 | tda18271_write_regs(fe, R_EP2, 1); |
| 429 | tda18271_write_regs(fe, R_EB14, 1); |
| 430 | |
| 431 | /* downconvert frequency */ |
| 432 | freq += 1000000; |
| 433 | |
| 434 | tda18271_calc_main_pll(fe, freq); |
| 435 | tda18271_write_regs(fe, R_MPD, 4); |
| 436 | |
| 437 | msleep(5); /* pll locking */ |
| 438 | |
| 439 | /* detection mode */ |
| 440 | regs[R_EP4] &= ~0x03; |
| 441 | regs[R_EP4] |= 0x01; |
| 442 | tda18271_write_regs(fe, R_EP4, 1); |
| 443 | |
| 444 | /* launch power detection measurement */ |
| 445 | tda18271_write_regs(fe, R_EP2, 1); |
| 446 | |
| 447 | /* read power detection info, stored in EB10 */ |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 448 | ret = tda18271_read_extended(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 449 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 450 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 451 | |
| 452 | /* algorithm initialization */ |
| 453 | sgn = 1; |
| 454 | *freq_out = *freq_in; |
| 455 | bcal = 0; |
| 456 | count = 0; |
| 457 | wait = false; |
| 458 | |
| 459 | while ((regs[R_EB10] & 0x3f) < cid_target) { |
| 460 | /* downconvert updated freq to 1 MHz */ |
| 461 | freq = *freq_in + (sgn * count) + 1000000; |
| 462 | |
| 463 | tda18271_calc_main_pll(fe, freq); |
| 464 | tda18271_write_regs(fe, R_MPD, 4); |
| 465 | |
| 466 | if (wait) { |
| 467 | msleep(5); /* pll locking */ |
| 468 | wait = false; |
| 469 | } else |
| 470 | udelay(100); /* pll locking */ |
| 471 | |
| 472 | /* launch power detection measurement */ |
| 473 | tda18271_write_regs(fe, R_EP2, 1); |
| 474 | |
| 475 | /* read power detection info, stored in EB10 */ |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 476 | ret = tda18271_read_extended(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 477 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 478 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 479 | |
| 480 | count += 200; |
| 481 | |
Michael Krufky | e7809a0 | 2008-04-22 14:46:22 -0300 | [diff] [blame] | 482 | if (count <= count_limit) |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 483 | continue; |
| 484 | |
| 485 | if (sgn <= 0) |
| 486 | break; |
| 487 | |
| 488 | sgn = -1 * sgn; |
| 489 | count = 200; |
| 490 | wait = true; |
| 491 | } |
| 492 | |
| 493 | if ((regs[R_EB10] & 0x3f) >= cid_target) { |
| 494 | bcal = 1; |
| 495 | *freq_out = freq - 1000000; |
| 496 | } else |
| 497 | bcal = 0; |
| 498 | |
Michael Krufky | cf04d29 | 2008-01-09 00:34:30 -0300 | [diff] [blame] | 499 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 500 | bcal, *freq_in, *freq_out, freq); |
| 501 | |
| 502 | return bcal; |
| 503 | } |
| 504 | |
| 505 | static int tda18271_powerscan_init(struct dvb_frontend *fe) |
| 506 | { |
| 507 | struct tda18271_priv *priv = fe->tuner_priv; |
| 508 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 509 | int ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 510 | |
| 511 | /* set standard to digital */ |
| 512 | regs[R_EP3] &= ~0x1f; /* clear std bits */ |
| 513 | regs[R_EP3] |= 0x12; |
| 514 | |
| 515 | /* set cal mode to normal */ |
| 516 | regs[R_EP4] &= ~0x03; |
| 517 | |
Michael Krufky | 44e645c | 2008-06-08 20:10:29 -0300 | [diff] [blame^] | 518 | /* update IF output level */ |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 519 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
| 520 | |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 521 | ret = tda18271_write_regs(fe, R_EP3, 2); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 522 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 523 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 524 | |
| 525 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 526 | ret = tda18271_write_regs(fe, R_EB18, 1); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 527 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 528 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 529 | |
| 530 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ |
| 531 | |
| 532 | /* 1.5 MHz low pass filter */ |
| 533 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ |
| 534 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ |
| 535 | |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 536 | ret = tda18271_write_regs(fe, R_EB21, 3); |
| 537 | fail: |
| 538 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) |
| 542 | { |
| 543 | struct tda18271_priv *priv = fe->tuner_priv; |
| 544 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; |
| 545 | unsigned char *regs = priv->tda18271_regs; |
| 546 | int bcal, rf, i; |
| 547 | #define RF1 0 |
| 548 | #define RF2 1 |
| 549 | #define RF3 2 |
| 550 | u32 rf_default[3]; |
| 551 | u32 rf_freq[3]; |
| 552 | u8 prog_cal[3]; |
| 553 | u8 prog_tab[3]; |
| 554 | |
| 555 | i = tda18271_lookup_rf_band(fe, &freq, NULL); |
| 556 | |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 557 | if (tda_fail(i)) |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 558 | return i; |
| 559 | |
| 560 | rf_default[RF1] = 1000 * map[i].rf1_def; |
| 561 | rf_default[RF2] = 1000 * map[i].rf2_def; |
| 562 | rf_default[RF3] = 1000 * map[i].rf3_def; |
| 563 | |
| 564 | for (rf = RF1; rf <= RF3; rf++) { |
| 565 | if (0 == rf_default[rf]) |
| 566 | return 0; |
Michael Krufky | cf04d29 | 2008-01-09 00:34:30 -0300 | [diff] [blame] | 567 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 568 | |
| 569 | /* look for optimized calibration frequency */ |
| 570 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 571 | if (tda_fail(bcal)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 572 | return bcal; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 573 | |
| 574 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); |
| 575 | prog_tab[rf] = regs[R_EB14]; |
| 576 | |
| 577 | if (1 == bcal) |
| 578 | prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]); |
| 579 | else |
| 580 | prog_cal[rf] = prog_tab[rf]; |
| 581 | |
| 582 | switch (rf) { |
| 583 | case RF1: |
| 584 | map[i].rf_a1 = 0; |
| 585 | map[i].rf_b1 = prog_cal[RF1] - prog_tab[RF1]; |
| 586 | map[i].rf1 = rf_freq[RF1] / 1000; |
| 587 | break; |
| 588 | case RF2: |
| 589 | map[i].rf_a1 = (prog_cal[RF2] - prog_tab[RF2] - |
| 590 | prog_cal[RF1] + prog_tab[RF1]) / |
| 591 | ((rf_freq[RF2] - rf_freq[RF1]) / 1000); |
| 592 | map[i].rf2 = rf_freq[RF2] / 1000; |
| 593 | break; |
| 594 | case RF3: |
| 595 | map[i].rf_a2 = (prog_cal[RF3] - prog_tab[RF3] - |
| 596 | prog_cal[RF2] + prog_tab[RF2]) / |
| 597 | ((rf_freq[RF3] - rf_freq[RF2]) / 1000); |
| 598 | map[i].rf_b2 = prog_cal[RF2] - prog_tab[RF2]; |
| 599 | map[i].rf3 = rf_freq[RF3] / 1000; |
| 600 | break; |
| 601 | default: |
| 602 | BUG(); |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | return 0; |
| 607 | } |
| 608 | |
Michael Krufky | 09f83c4 | 2008-01-05 20:00:09 -0300 | [diff] [blame] | 609 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 610 | { |
| 611 | struct tda18271_priv *priv = fe->tuner_priv; |
| 612 | unsigned int i; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 613 | int ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 614 | |
| 615 | tda_info("tda18271: performing RF tracking filter calibration\n"); |
| 616 | |
| 617 | /* wait for die temperature stabilization */ |
| 618 | msleep(200); |
| 619 | |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 620 | ret = tda18271_powerscan_init(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 621 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 622 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 623 | |
| 624 | /* rf band calibration */ |
Michael Krufky | c151c32 | 2008-05-04 17:54:23 -0300 | [diff] [blame] | 625 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
| 626 | ret = |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 627 | tda18271_rf_tracking_filters_init(fe, 1000 * |
| 628 | priv->rf_cal_state[i].rfmax); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 629 | if (tda_fail(ret)) |
Michael Krufky | c151c32 | 2008-05-04 17:54:23 -0300 | [diff] [blame] | 630 | goto fail; |
| 631 | } |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 632 | |
Michael Krufky | 09f83c4 | 2008-01-05 20:00:09 -0300 | [diff] [blame] | 633 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 634 | fail: |
| 635 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | /* ------------------------------------------------------------------ */ |
| 639 | |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 640 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 641 | { |
| 642 | struct tda18271_priv *priv = fe->tuner_priv; |
Michael Krufky | 839c6c9 | 2008-01-13 18:29:44 -0300 | [diff] [blame] | 643 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 644 | int ret; |
Michael Krufky | 839c6c9 | 2008-01-13 18:29:44 -0300 | [diff] [blame] | 645 | |
| 646 | /* test RF_CAL_OK to see if we need init */ |
| 647 | if ((regs[R_EP1] & 0x10) == 0) |
| 648 | priv->cal_initialized = false; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 649 | |
| 650 | if (priv->cal_initialized) |
| 651 | return 0; |
| 652 | |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 653 | ret = tda18271_calc_rf_filter_curve(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 654 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 655 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 656 | |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 657 | ret = tda18271_por(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 658 | if (tda_fail(ret)) |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 659 | goto fail; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 660 | |
Michael Krufky | 6bfa665 | 2008-01-07 00:51:48 -0300 | [diff] [blame] | 661 | tda_info("tda18271: RF tracking filter calibration complete\n"); |
| 662 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 663 | priv->cal_initialized = true; |
Michael Krufky | c151c32 | 2008-05-04 17:54:23 -0300 | [diff] [blame] | 664 | goto end; |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 665 | fail: |
Michael Krufky | c151c32 | 2008-05-04 17:54:23 -0300 | [diff] [blame] | 666 | tda_info("tda18271: RF tracking filter calibration failed!\n"); |
| 667 | end: |
Michael Krufky | 24124f7 | 2008-05-03 19:28:00 -0300 | [diff] [blame] | 668 | return ret; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 669 | } |
| 670 | |
Michael Krufky | 4d2d42b | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 671 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
| 672 | u32 freq, u32 bw) |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 673 | { |
| 674 | struct tda18271_priv *priv = fe->tuner_priv; |
| 675 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | 10ed0bf | 2008-05-04 20:26:47 -0300 | [diff] [blame] | 676 | int ret; |
Michael Krufky | fe0bf6d | 2007-12-24 05:05:05 -0300 | [diff] [blame] | 677 | u32 N = 0; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 678 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 679 | /* calculate bp filter */ |
Michael Krufky | b92bf0f | 2007-12-25 18:54:22 -0300 | [diff] [blame] | 680 | tda18271_calc_bp_filter(fe, &freq); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 681 | tda18271_write_regs(fe, R_EP1, 1); |
| 682 | |
| 683 | regs[R_EB4] &= 0x07; |
| 684 | regs[R_EB4] |= 0x60; |
| 685 | tda18271_write_regs(fe, R_EB4, 1); |
| 686 | |
| 687 | regs[R_EB7] = 0x60; |
| 688 | tda18271_write_regs(fe, R_EB7, 1); |
| 689 | |
| 690 | regs[R_EB14] = 0x00; |
| 691 | tda18271_write_regs(fe, R_EB14, 1); |
| 692 | |
| 693 | regs[R_EB20] = 0xcc; |
| 694 | tda18271_write_regs(fe, R_EB20, 1); |
| 695 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 696 | /* set cal mode to RF tracking filter calibration */ |
Michael Krufky | 26501a7 | 2007-12-21 14:28:46 -0300 | [diff] [blame] | 697 | regs[R_EP4] |= 0x03; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 698 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 699 | /* calculate cal pll */ |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 700 | |
| 701 | switch (priv->mode) { |
| 702 | case TDA18271_ANALOG: |
| 703 | N = freq - 1250000; |
| 704 | break; |
| 705 | case TDA18271_DIGITAL: |
| 706 | N = freq + bw / 2; |
| 707 | break; |
| 708 | } |
| 709 | |
Michael Krufky | fe0bf6d | 2007-12-24 05:05:05 -0300 | [diff] [blame] | 710 | tda18271_calc_cal_pll(fe, N); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 711 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 712 | /* calculate main pll */ |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 713 | |
| 714 | switch (priv->mode) { |
| 715 | case TDA18271_ANALOG: |
| 716 | N = freq - 250000; |
| 717 | break; |
| 718 | case TDA18271_DIGITAL: |
| 719 | N = freq + bw / 2 + 1000000; |
| 720 | break; |
| 721 | } |
| 722 | |
Michael Krufky | fe0bf6d | 2007-12-24 05:05:05 -0300 | [diff] [blame] | 723 | tda18271_calc_main_pll(fe, N); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 724 | |
Michael Krufky | 10ed0bf | 2008-05-04 20:26:47 -0300 | [diff] [blame] | 725 | ret = tda18271_write_regs(fe, R_EP3, 11); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 726 | if (tda_fail(ret)) |
Michael Krufky | 10ed0bf | 2008-05-04 20:26:47 -0300 | [diff] [blame] | 727 | return ret; |
| 728 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 729 | msleep(5); /* RF tracking filter calibration initialization */ |
| 730 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 731 | /* search for K,M,CO for RF calibration */ |
Michael Krufky | b92bf0f | 2007-12-25 18:54:22 -0300 | [diff] [blame] | 732 | tda18271_calc_km(fe, &freq); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 733 | tda18271_write_regs(fe, R_EB13, 1); |
| 734 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 735 | /* search for rf band */ |
Michael Krufky | b92bf0f | 2007-12-25 18:54:22 -0300 | [diff] [blame] | 736 | tda18271_calc_rf_band(fe, &freq); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 737 | |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 738 | /* search for gain taper */ |
Michael Krufky | b92bf0f | 2007-12-25 18:54:22 -0300 | [diff] [blame] | 739 | tda18271_calc_gain_taper(fe, &freq); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 740 | |
| 741 | tda18271_write_regs(fe, R_EP2, 1); |
| 742 | tda18271_write_regs(fe, R_EP1, 1); |
| 743 | tda18271_write_regs(fe, R_EP2, 1); |
| 744 | tda18271_write_regs(fe, R_EP1, 1); |
| 745 | |
| 746 | regs[R_EB4] &= 0x07; |
| 747 | regs[R_EB4] |= 0x40; |
| 748 | tda18271_write_regs(fe, R_EB4, 1); |
| 749 | |
| 750 | regs[R_EB7] = 0x40; |
| 751 | tda18271_write_regs(fe, R_EB7, 1); |
Michael Krufky | 4d2d42b | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 752 | msleep(10); /* pll locking */ |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 753 | |
| 754 | regs[R_EB20] = 0xec; |
| 755 | tda18271_write_regs(fe, R_EB20, 1); |
| 756 | msleep(60); /* RF tracking filter calibration completion */ |
| 757 | |
| 758 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ |
| 759 | tda18271_write_regs(fe, R_EP4, 1); |
| 760 | |
| 761 | tda18271_write_regs(fe, R_EP1, 1); |
| 762 | |
Michael Krufky | b92bf0f | 2007-12-25 18:54:22 -0300 | [diff] [blame] | 763 | /* RF tracking filter correction for VHF_Low band */ |
| 764 | if (0 == tda18271_calc_rf_cal(fe, &freq)) |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 765 | tda18271_write_regs(fe, R_EB14, 1); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 766 | |
Michael Krufky | 4d2d42b | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 767 | return 0; |
| 768 | } |
| 769 | |
Michael Krufky | d1c5342 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 770 | /* ------------------------------------------------------------------ */ |
| 771 | |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 772 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
| 773 | { |
| 774 | struct tda18271_priv *priv = fe->tuner_priv; |
| 775 | unsigned char *regs = priv->tda18271_regs; |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 776 | int ret; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 777 | |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 778 | ret = tda18271_read_regs(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 779 | if (tda_fail(ret)) |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 780 | goto fail; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 781 | |
| 782 | /* test IR_CAL_OK to see if we need init */ |
| 783 | if ((regs[R_EP1] & 0x08) == 0) |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 784 | ret = tda18271_init_regs(fe); |
| 785 | fail: |
| 786 | return ret; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | static int tda18271_init(struct dvb_frontend *fe) |
| 790 | { |
| 791 | struct tda18271_priv *priv = fe->tuner_priv; |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 792 | int ret; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 793 | |
| 794 | mutex_lock(&priv->lock); |
| 795 | |
| 796 | /* power up */ |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 797 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 798 | if (tda_fail(ret)) |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 799 | goto fail; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 800 | |
| 801 | /* initialization */ |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 802 | ret = tda18271_ir_cal_init(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 803 | if (tda_fail(ret)) |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 804 | goto fail; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 805 | |
| 806 | if (priv->id == TDA18271HDC2) |
| 807 | tda18271c2_rf_cal_init(fe); |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 808 | fail: |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 809 | mutex_unlock(&priv->lock); |
| 810 | |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 811 | return ret; |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 812 | } |
| 813 | |
Michael Krufky | d1c5342 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 814 | static int tda18271_tune(struct dvb_frontend *fe, |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 815 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
Michael Krufky | 4d2d42b | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 816 | { |
| 817 | struct tda18271_priv *priv = fe->tuner_priv; |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 818 | int ret; |
Michael Krufky | 4d2d42b | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 819 | |
Michael Krufky | 7f7203d | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 820 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
| 821 | freq, map->if_freq, bw, map->agc_mode, map->std); |
Michael Krufky | d1c5342 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 822 | |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 823 | ret = tda18271_init(fe); |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 824 | if (tda_fail(ret)) |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 825 | goto fail; |
Michael Krufky | 4d2d42b | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 826 | |
| 827 | mutex_lock(&priv->lock); |
| 828 | |
Michael Krufky | d1c5342 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 829 | switch (priv->id) { |
| 830 | case TDA18271HDC1: |
| 831 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
| 832 | break; |
| 833 | case TDA18271HDC2: |
| 834 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
| 835 | break; |
| 836 | } |
Michael Krufky | 31940e3 | 2008-05-04 19:37:27 -0300 | [diff] [blame] | 837 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 838 | |
Michael Krufky | 8d316bf | 2008-01-06 15:31:35 -0300 | [diff] [blame] | 839 | mutex_unlock(&priv->lock); |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 840 | fail: |
| 841 | return ret; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | /* ------------------------------------------------------------------ */ |
| 845 | |
| 846 | static int tda18271_set_params(struct dvb_frontend *fe, |
| 847 | struct dvb_frontend_parameters *params) |
| 848 | { |
| 849 | struct tda18271_priv *priv = fe->tuner_priv; |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 850 | struct tda18271_std_map *std_map = &priv->std; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 851 | struct tda18271_std_map_item *map; |
Michael Krufky | ccbac9b | 2008-01-06 00:55:21 -0300 | [diff] [blame] | 852 | int ret; |
Michael Krufky | 2ba65d5 | 2008-01-03 01:17:45 -0300 | [diff] [blame] | 853 | u32 bw, freq = params->frequency; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 854 | |
| 855 | priv->mode = TDA18271_DIGITAL; |
| 856 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 857 | if (fe->ops.info.type == FE_ATSC) { |
| 858 | switch (params->u.vsb.modulation) { |
| 859 | case VSB_8: |
| 860 | case VSB_16: |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 861 | map = &std_map->atsc_6; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 862 | break; |
| 863 | case QAM_64: |
| 864 | case QAM_256: |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 865 | map = &std_map->qam_6; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 866 | break; |
| 867 | default: |
Michael Krufky | 182519f | 2007-12-25 15:10:11 -0300 | [diff] [blame] | 868 | tda_warn("modulation not set!\n"); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 869 | return -EINVAL; |
| 870 | } |
Michael Krufky | 14e3c15 | 2007-12-07 00:33:08 -0300 | [diff] [blame] | 871 | #if 0 |
| 872 | /* userspace request is already center adjusted */ |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 873 | freq += 1750000; /* Adjust to center (+1.75MHZ) */ |
Michael Krufky | 14e3c15 | 2007-12-07 00:33:08 -0300 | [diff] [blame] | 874 | #endif |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 875 | bw = 6000000; |
| 876 | } else if (fe->ops.info.type == FE_OFDM) { |
| 877 | switch (params->u.ofdm.bandwidth) { |
| 878 | case BANDWIDTH_6_MHZ: |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 879 | bw = 6000000; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 880 | map = &std_map->dvbt_6; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 881 | break; |
| 882 | case BANDWIDTH_7_MHZ: |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 883 | bw = 7000000; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 884 | map = &std_map->dvbt_7; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 885 | break; |
| 886 | case BANDWIDTH_8_MHZ: |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 887 | bw = 8000000; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 888 | map = &std_map->dvbt_8; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 889 | break; |
| 890 | default: |
Michael Krufky | 182519f | 2007-12-25 15:10:11 -0300 | [diff] [blame] | 891 | tda_warn("bandwidth not set!\n"); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 892 | return -EINVAL; |
| 893 | } |
| 894 | } else { |
Michael Krufky | 182519f | 2007-12-25 15:10:11 -0300 | [diff] [blame] | 895 | tda_warn("modulation type not supported!\n"); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 896 | return -EINVAL; |
| 897 | } |
| 898 | |
Michael Krufky | ed73683 | 2008-01-19 17:41:04 -0300 | [diff] [blame] | 899 | /* When tuning digital, the analog demod must be tri-stated */ |
| 900 | if (fe->ops.analog_ops.standby) |
| 901 | fe->ops.analog_ops.standby(fe); |
| 902 | |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 903 | ret = tda18271_tune(fe, map, freq, bw); |
Michael Krufky | ccbac9b | 2008-01-06 00:55:21 -0300 | [diff] [blame] | 904 | |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 905 | if (tda_fail(ret)) |
Michael Krufky | ccbac9b | 2008-01-06 00:55:21 -0300 | [diff] [blame] | 906 | goto fail; |
| 907 | |
| 908 | priv->frequency = freq; |
| 909 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? |
| 910 | params->u.ofdm.bandwidth : 0; |
| 911 | fail: |
| 912 | return ret; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 913 | } |
| 914 | |
| 915 | static int tda18271_set_analog_params(struct dvb_frontend *fe, |
| 916 | struct analog_parameters *params) |
| 917 | { |
| 918 | struct tda18271_priv *priv = fe->tuner_priv; |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 919 | struct tda18271_std_map *std_map = &priv->std; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 920 | struct tda18271_std_map_item *map; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 921 | char *mode; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 922 | int ret; |
Michael Krufky | 2ba65d5 | 2008-01-03 01:17:45 -0300 | [diff] [blame] | 923 | u32 freq = params->frequency * 62500; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 924 | |
| 925 | priv->mode = TDA18271_ANALOG; |
| 926 | |
Michael Krufky | c353f42 | 2008-01-08 10:38:10 -0300 | [diff] [blame] | 927 | if (params->mode == V4L2_TUNER_RADIO) { |
Michael Krufky | c353f42 | 2008-01-08 10:38:10 -0300 | [diff] [blame] | 928 | freq = freq / 1000; |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 929 | map = &std_map->fm_radio; |
Michael Krufky | c353f42 | 2008-01-08 10:38:10 -0300 | [diff] [blame] | 930 | mode = "fm"; |
| 931 | } else if (params->std & V4L2_STD_MN) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 932 | map = &std_map->atv_mn; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 933 | mode = "MN"; |
| 934 | } else if (params->std & V4L2_STD_B) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 935 | map = &std_map->atv_b; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 936 | mode = "B"; |
| 937 | } else if (params->std & V4L2_STD_GH) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 938 | map = &std_map->atv_gh; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 939 | mode = "GH"; |
| 940 | } else if (params->std & V4L2_STD_PAL_I) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 941 | map = &std_map->atv_i; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 942 | mode = "I"; |
| 943 | } else if (params->std & V4L2_STD_DK) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 944 | map = &std_map->atv_dk; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 945 | mode = "DK"; |
| 946 | } else if (params->std & V4L2_STD_SECAM_L) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 947 | map = &std_map->atv_l; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 948 | mode = "L"; |
| 949 | } else if (params->std & V4L2_STD_SECAM_LC) { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 950 | map = &std_map->atv_lc; |
Michael Krufky | 95af8a2 | 2008-01-01 18:31:34 -0300 | [diff] [blame] | 951 | mode = "L'"; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 952 | } else { |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 953 | map = &std_map->atv_i; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 954 | mode = "xx"; |
| 955 | } |
| 956 | |
Michael Krufky | 182519f | 2007-12-25 15:10:11 -0300 | [diff] [blame] | 957 | tda_dbg("setting tda18271 to system %s\n", mode); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 958 | |
Michael Krufky | c293d0a | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 959 | ret = tda18271_tune(fe, map, freq, 0); |
Michael Krufky | ccbac9b | 2008-01-06 00:55:21 -0300 | [diff] [blame] | 960 | |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 961 | if (tda_fail(ret)) |
Michael Krufky | ccbac9b | 2008-01-06 00:55:21 -0300 | [diff] [blame] | 962 | goto fail; |
| 963 | |
| 964 | priv->frequency = freq; |
| 965 | priv->bandwidth = 0; |
| 966 | fail: |
| 967 | return ret; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 968 | } |
| 969 | |
Michael Krufky | 518d873 | 2008-01-13 17:01:01 -0300 | [diff] [blame] | 970 | static int tda18271_sleep(struct dvb_frontend *fe) |
| 971 | { |
| 972 | struct tda18271_priv *priv = fe->tuner_priv; |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 973 | int ret; |
Michael Krufky | 518d873 | 2008-01-13 17:01:01 -0300 | [diff] [blame] | 974 | |
| 975 | mutex_lock(&priv->lock); |
| 976 | |
| 977 | /* standby mode w/ slave tuner output |
| 978 | * & loop thru & xtal oscillator on */ |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 979 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
Michael Krufky | 518d873 | 2008-01-13 17:01:01 -0300 | [diff] [blame] | 980 | |
| 981 | mutex_unlock(&priv->lock); |
| 982 | |
Michael Krufky | d35fcca | 2008-05-03 18:20:21 -0300 | [diff] [blame] | 983 | return ret; |
Michael Krufky | 518d873 | 2008-01-13 17:01:01 -0300 | [diff] [blame] | 984 | } |
| 985 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 986 | static int tda18271_release(struct dvb_frontend *fe) |
| 987 | { |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 988 | struct tda18271_priv *priv = fe->tuner_priv; |
| 989 | |
| 990 | mutex_lock(&tda18271_list_mutex); |
| 991 | |
Michael Krufky | f9e315a | 2008-04-22 14:41:54 -0300 | [diff] [blame] | 992 | if (priv) |
| 993 | hybrid_tuner_release_state(priv); |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 994 | |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 995 | mutex_unlock(&tda18271_list_mutex); |
| 996 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 997 | fe->tuner_priv = NULL; |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 998 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 999 | return 0; |
| 1000 | } |
| 1001 | |
| 1002 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
| 1003 | { |
| 1004 | struct tda18271_priv *priv = fe->tuner_priv; |
| 1005 | *frequency = priv->frequency; |
| 1006 | return 0; |
| 1007 | } |
| 1008 | |
| 1009 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) |
| 1010 | { |
| 1011 | struct tda18271_priv *priv = fe->tuner_priv; |
| 1012 | *bandwidth = priv->bandwidth; |
| 1013 | return 0; |
| 1014 | } |
| 1015 | |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1016 | /* ------------------------------------------------------------------ */ |
| 1017 | |
| 1018 | #define tda18271_update_std(std_cfg, name) do { \ |
Michael Krufky | 7f7203d | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 1019 | if (map->std_cfg.if_freq + \ |
Michael Krufky | c735372 | 2008-03-30 19:40:20 -0300 | [diff] [blame] | 1020 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
| 1021 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1022 | tda_dbg("Using custom std config for %s\n", name); \ |
| 1023 | memcpy(&std->std_cfg, &map->std_cfg, \ |
| 1024 | sizeof(struct tda18271_std_map_item)); \ |
| 1025 | } } while (0) |
| 1026 | |
| 1027 | #define tda18271_dump_std_item(std_cfg, name) do { \ |
Michael Krufky | c735372 | 2008-03-30 19:40:20 -0300 | [diff] [blame] | 1028 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
| 1029 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ |
Michael Krufky | 7f7203d | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 1030 | name, std->std_cfg.if_freq, \ |
Michael Krufky | c735372 | 2008-03-30 19:40:20 -0300 | [diff] [blame] | 1031 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
| 1032 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1033 | } while (0) |
| 1034 | |
| 1035 | static int tda18271_dump_std_map(struct dvb_frontend *fe) |
| 1036 | { |
| 1037 | struct tda18271_priv *priv = fe->tuner_priv; |
| 1038 | struct tda18271_std_map *std = &priv->std; |
| 1039 | |
| 1040 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); |
Michael Krufky | c735372 | 2008-03-30 19:40:20 -0300 | [diff] [blame] | 1041 | tda18271_dump_std_item(fm_radio, " fm "); |
| 1042 | tda18271_dump_std_item(atv_b, "atv b "); |
| 1043 | tda18271_dump_std_item(atv_dk, "atv dk"); |
| 1044 | tda18271_dump_std_item(atv_gh, "atv gh"); |
| 1045 | tda18271_dump_std_item(atv_i, "atv i "); |
| 1046 | tda18271_dump_std_item(atv_l, "atv l "); |
| 1047 | tda18271_dump_std_item(atv_lc, "atv l'"); |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1048 | tda18271_dump_std_item(atv_mn, "atv mn"); |
| 1049 | tda18271_dump_std_item(atsc_6, "atsc 6"); |
| 1050 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); |
| 1051 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); |
| 1052 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); |
Michael Krufky | c735372 | 2008-03-30 19:40:20 -0300 | [diff] [blame] | 1053 | tda18271_dump_std_item(qam_6, "qam 6 "); |
| 1054 | tda18271_dump_std_item(qam_8, "qam 8 "); |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1055 | |
| 1056 | return 0; |
| 1057 | } |
| 1058 | |
| 1059 | static int tda18271_update_std_map(struct dvb_frontend *fe, |
| 1060 | struct tda18271_std_map *map) |
| 1061 | { |
| 1062 | struct tda18271_priv *priv = fe->tuner_priv; |
| 1063 | struct tda18271_std_map *std = &priv->std; |
| 1064 | |
| 1065 | if (!map) |
| 1066 | return -EINVAL; |
| 1067 | |
Michael Krufky | c353f42 | 2008-01-08 10:38:10 -0300 | [diff] [blame] | 1068 | tda18271_update_std(fm_radio, "fm"); |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1069 | tda18271_update_std(atv_b, "atv b"); |
| 1070 | tda18271_update_std(atv_dk, "atv dk"); |
| 1071 | tda18271_update_std(atv_gh, "atv gh"); |
| 1072 | tda18271_update_std(atv_i, "atv i"); |
| 1073 | tda18271_update_std(atv_l, "atv l"); |
| 1074 | tda18271_update_std(atv_lc, "atv l'"); |
| 1075 | tda18271_update_std(atv_mn, "atv mn"); |
| 1076 | tda18271_update_std(atsc_6, "atsc 6"); |
| 1077 | tda18271_update_std(dvbt_6, "dvbt 6"); |
| 1078 | tda18271_update_std(dvbt_7, "dvbt 7"); |
| 1079 | tda18271_update_std(dvbt_8, "dvbt 8"); |
| 1080 | tda18271_update_std(qam_6, "qam 6"); |
| 1081 | tda18271_update_std(qam_8, "qam 8"); |
| 1082 | |
| 1083 | return 0; |
| 1084 | } |
| 1085 | |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1086 | static int tda18271_get_id(struct dvb_frontend *fe) |
| 1087 | { |
| 1088 | struct tda18271_priv *priv = fe->tuner_priv; |
| 1089 | unsigned char *regs = priv->tda18271_regs; |
| 1090 | char *name; |
| 1091 | int ret = 0; |
| 1092 | |
Michael Krufky | 8d316bf | 2008-01-06 15:31:35 -0300 | [diff] [blame] | 1093 | mutex_lock(&priv->lock); |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1094 | tda18271_read_regs(fe); |
Michael Krufky | 8d316bf | 2008-01-06 15:31:35 -0300 | [diff] [blame] | 1095 | mutex_unlock(&priv->lock); |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1096 | |
| 1097 | switch (regs[R_ID] & 0x7f) { |
| 1098 | case 3: |
| 1099 | name = "TDA18271HD/C1"; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 1100 | priv->id = TDA18271HDC1; |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1101 | break; |
| 1102 | case 4: |
| 1103 | name = "TDA18271HD/C2"; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 1104 | priv->id = TDA18271HDC2; |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1105 | break; |
| 1106 | default: |
| 1107 | name = "Unknown device"; |
| 1108 | ret = -EINVAL; |
| 1109 | break; |
| 1110 | } |
| 1111 | |
Michael Krufky | 182519f | 2007-12-25 15:10:11 -0300 | [diff] [blame] | 1112 | tda_info("%s detected @ %d-%04x%s\n", name, |
Michael Krufky | f9e315a | 2008-04-22 14:41:54 -0300 | [diff] [blame] | 1113 | i2c_adapter_id(priv->i2c_props.adap), |
| 1114 | priv->i2c_props.addr, |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1115 | (0 == ret) ? "" : ", device not supported."); |
| 1116 | |
| 1117 | return ret; |
| 1118 | } |
| 1119 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1120 | static struct dvb_tuner_ops tda18271_tuner_ops = { |
| 1121 | .info = { |
| 1122 | .name = "NXP TDA18271HD", |
| 1123 | .frequency_min = 45000000, |
| 1124 | .frequency_max = 864000000, |
| 1125 | .frequency_step = 62500 |
| 1126 | }, |
Michael Krufky | efce841 | 2007-12-01 17:40:16 -0300 | [diff] [blame] | 1127 | .init = tda18271_init, |
Michael Krufky | 518d873 | 2008-01-13 17:01:01 -0300 | [diff] [blame] | 1128 | .sleep = tda18271_sleep, |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1129 | .set_params = tda18271_set_params, |
| 1130 | .set_analog_params = tda18271_set_analog_params, |
| 1131 | .release = tda18271_release, |
| 1132 | .get_frequency = tda18271_get_frequency, |
| 1133 | .get_bandwidth = tda18271_get_bandwidth, |
| 1134 | }; |
| 1135 | |
| 1136 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, |
Michael Krufky | e435f95 | 2007-12-09 22:23:30 -0300 | [diff] [blame] | 1137 | struct i2c_adapter *i2c, |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1138 | struct tda18271_config *cfg) |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1139 | { |
| 1140 | struct tda18271_priv *priv = NULL; |
Michael Krufky | f9e315a | 2008-04-22 14:41:54 -0300 | [diff] [blame] | 1141 | int instance; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1142 | |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1143 | mutex_lock(&tda18271_list_mutex); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1144 | |
Michael Krufky | f9e315a | 2008-04-22 14:41:54 -0300 | [diff] [blame] | 1145 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
| 1146 | hybrid_tuner_instance_list, |
| 1147 | i2c, addr, "tda18271"); |
| 1148 | switch (instance) { |
| 1149 | case 0: |
| 1150 | goto fail; |
| 1151 | break; |
| 1152 | case 1: |
| 1153 | /* new tuner instance */ |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1154 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; |
Michael Krufky | 868f5cc | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 1155 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1156 | priv->cal_initialized = false; |
| 1157 | mutex_init(&priv->lock); |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1158 | |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1159 | fe->tuner_priv = priv; |
Michael Krufky | 255b511 | 2008-01-01 22:52:09 -0300 | [diff] [blame] | 1160 | |
Michael Krufky | 5555309 | 2008-04-22 14:46:06 -0300 | [diff] [blame] | 1161 | if (cfg) |
| 1162 | priv->small_i2c = cfg->small_i2c; |
| 1163 | |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 1164 | if (tda_fail(tda18271_get_id(fe))) |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1165 | goto fail; |
| 1166 | |
Michael Krufky | 4bd5d10 | 2008-05-04 21:32:21 -0300 | [diff] [blame] | 1167 | if (tda_fail(tda18271_assign_map_layout(fe))) |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1168 | goto fail; |
| 1169 | |
| 1170 | mutex_lock(&priv->lock); |
| 1171 | tda18271_init_regs(fe); |
Michael Krufky | 0f96251 | 2008-01-13 22:01:07 -0300 | [diff] [blame] | 1172 | |
| 1173 | if ((tda18271_cal_on_startup) && (priv->id == TDA18271HDC2)) |
Michael Krufky | 12afe37 | 2008-04-22 14:42:07 -0300 | [diff] [blame] | 1174 | tda18271c2_rf_cal_init(fe); |
Michael Krufky | 0f96251 | 2008-01-13 22:01:07 -0300 | [diff] [blame] | 1175 | |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1176 | mutex_unlock(&priv->lock); |
Michael Krufky | f9e315a | 2008-04-22 14:41:54 -0300 | [diff] [blame] | 1177 | break; |
| 1178 | default: |
| 1179 | /* existing tuner instance */ |
| 1180 | fe->tuner_priv = priv; |
| 1181 | |
| 1182 | /* allow dvb driver to override i2c gate setting */ |
| 1183 | if ((cfg) && (cfg->gate != TDA18271_GATE_ANALOG)) |
| 1184 | priv->gate = cfg->gate; |
| 1185 | break; |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1186 | } |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1187 | |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1188 | /* override default std map with values in config struct */ |
| 1189 | if ((cfg) && (cfg->std_map)) |
| 1190 | tda18271_update_std_map(fe, cfg->std_map); |
| 1191 | |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1192 | mutex_unlock(&tda18271_list_mutex); |
| 1193 | |
| 1194 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
| 1195 | sizeof(struct dvb_tuner_ops)); |
| 1196 | |
Michael Krufky | c735372 | 2008-03-30 19:40:20 -0300 | [diff] [blame] | 1197 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
Michael Krufky | f21e0d7 | 2008-01-02 03:01:54 -0300 | [diff] [blame] | 1198 | tda18271_dump_std_map(fe); |
| 1199 | |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1200 | return fe; |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1201 | fail: |
Michael Krufky | a4f263b | 2008-01-06 15:52:56 -0300 | [diff] [blame] | 1202 | mutex_unlock(&tda18271_list_mutex); |
| 1203 | |
Michael Krufky | 49e7aaf | 2007-12-24 04:15:20 -0300 | [diff] [blame] | 1204 | tda18271_release(fe); |
| 1205 | return NULL; |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1206 | } |
| 1207 | EXPORT_SYMBOL_GPL(tda18271_attach); |
| 1208 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); |
| 1209 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); |
| 1210 | MODULE_LICENSE("GPL"); |
Michael Krufky | 5ec96b0 | 2008-04-22 14:46:23 -0300 | [diff] [blame] | 1211 | MODULE_VERSION("0.3"); |
Michael Krufky | 5bea1cd | 2007-10-22 09:56:38 -0300 | [diff] [blame] | 1212 | |
| 1213 | /* |
| 1214 | * Overrides for Emacs so that we follow Linus's tabbing style. |
| 1215 | * --------------------------------------------------------------------------- |
| 1216 | * Local variables: |
| 1217 | * c-basic-offset: 8 |
| 1218 | * End: |
| 1219 | */ |