1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * helene.c 4 * 5 * Sony HELENE DVB-S/S2 DVB-T/T2 DVB-C/C2 ISDB-T/S tuner driver (CXD2858ER) 6 * 7 * Copyright 2012 Sony Corporation 8 * Copyright (C) 2014 NetUP Inc. 9 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> 10 */ 11 12#include <linux/slab.h> 13#include <linux/module.h> 14#include <linux/dvb/frontend.h> 15#include <linux/types.h> 16#include "helene.h" 17#include <media/dvb_frontend.h> 18 19#define MAX_WRITE_REGSIZE 20 20 21enum helene_state { 22 STATE_UNKNOWN, 23 STATE_SLEEP, 24 STATE_ACTIVE 25}; 26 27struct helene_priv { 28 u32 frequency; 29 u8 i2c_address; 30 struct i2c_adapter *i2c; 31 enum helene_state state; 32 void *set_tuner_data; 33 int (*set_tuner)(void *, int); 34 enum helene_xtal xtal; 35}; 36 37#define TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system) \ 38 (((tv_system) != SONY_HELENE_DTV_DVBC_6) && \ 39 ((tv_system) != SONY_HELENE_DTV_DVBC_8)\ 40 && ((tv_system) != SONY_HELENE_DTV_DVBC2_6) && \ 41 ((tv_system) != SONY_HELENE_DTV_DVBC2_8)) 42 43#define HELENE_AUTO 0xff 44#define HELENE_OFFSET(ofs) ((u8)(ofs) & 0x1F) 45#define HELENE_BW_6 0x00 46#define HELENE_BW_7 0x01 47#define HELENE_BW_8 0x02 48#define HELENE_BW_1_7 0x03 49 50enum helene_tv_system_t { 51 SONY_HELENE_TV_SYSTEM_UNKNOWN, 52 /* Terrestrial Analog */ 53 SONY_HELENE_ATV_MN_EIAJ, 54 /**< System-M (Japan) (IF: Fp=5.75MHz in default) */ 55 SONY_HELENE_ATV_MN_SAP, 56 /**< System-M (US) (IF: Fp=5.75MHz in default) */ 57 SONY_HELENE_ATV_MN_A2, 58 /**< System-M (Korea) (IF: Fp=5.9MHz in default) */ 59 SONY_HELENE_ATV_BG, 60 /**< System-B/G (IF: Fp=7.3MHz in default) */ 61 SONY_HELENE_ATV_I, 62 /**< System-I (IF: Fp=7.85MHz in default) */ 63 SONY_HELENE_ATV_DK, 64 /**< System-D/K (IF: Fp=7.85MHz in default) */ 65 SONY_HELENE_ATV_L, 66 /**< System-L (IF: Fp=7.85MHz in default) */ 67 SONY_HELENE_ATV_L_DASH, 68 /**< System-L DASH (IF: Fp=2.2MHz in default) */ 69 /* Terrestrial/Cable Digital */ 70 SONY_HELENE_DTV_8VSB, 71 /**< ATSC 8VSB (IF: Fc=3.7MHz in default) */ 72 SONY_HELENE_DTV_QAM, 73 /**< US QAM (IF: Fc=3.7MHz in default) */ 74 SONY_HELENE_DTV_ISDBT_6, 75 /**< ISDB-T 6MHzBW (IF: Fc=3.55MHz in default) */ 76 SONY_HELENE_DTV_ISDBT_7, 77 /**< ISDB-T 7MHzBW (IF: Fc=4.15MHz in default) */ 78 SONY_HELENE_DTV_ISDBT_8, 79 /**< ISDB-T 8MHzBW (IF: Fc=4.75MHz in default) */ 80 SONY_HELENE_DTV_DVBT_5, 81 /**< DVB-T 5MHzBW (IF: Fc=3.6MHz in default) */ 82 SONY_HELENE_DTV_DVBT_6, 83 /**< DVB-T 6MHzBW (IF: Fc=3.6MHz in default) */ 84 SONY_HELENE_DTV_DVBT_7, 85 /**< DVB-T 7MHzBW (IF: Fc=4.2MHz in default) */ 86 SONY_HELENE_DTV_DVBT_8, 87 /**< DVB-T 8MHzBW (IF: Fc=4.8MHz in default) */ 88 SONY_HELENE_DTV_DVBT2_1_7, 89 /**< DVB-T2 1.7MHzBW (IF: Fc=3.5MHz in default) */ 90 SONY_HELENE_DTV_DVBT2_5, 91 /**< DVB-T2 5MHzBW (IF: Fc=3.6MHz in default) */ 92 SONY_HELENE_DTV_DVBT2_6, 93 /**< DVB-T2 6MHzBW (IF: Fc=3.6MHz in default) */ 94 SONY_HELENE_DTV_DVBT2_7, 95 /**< DVB-T2 7MHzBW (IF: Fc=4.2MHz in default) */ 96 SONY_HELENE_DTV_DVBT2_8, 97 /**< DVB-T2 8MHzBW (IF: Fc=4.8MHz in default) */ 98 SONY_HELENE_DTV_DVBC_6, 99 /**< DVB-C 6MHzBW (IF: Fc=3.7MHz in default) */ 100 SONY_HELENE_DTV_DVBC_8, 101 /**< DVB-C 8MHzBW (IF: Fc=4.9MHz in default) */ 102 SONY_HELENE_DTV_DVBC2_6, 103 /**< DVB-C2 6MHzBW (IF: Fc=3.7MHz in default) */ 104 SONY_HELENE_DTV_DVBC2_8, 105 /**< DVB-C2 8MHzBW (IF: Fc=4.9MHz in default) */ 106 SONY_HELENE_DTV_DTMB, 107 /**< DTMB (IF: Fc=5.1MHz in default) */ 108 /* Satellite */ 109 SONY_HELENE_STV_ISDBS, 110 /**< ISDB-S */ 111 SONY_HELENE_STV_DVBS, 112 /**< DVB-S */ 113 SONY_HELENE_STV_DVBS2, 114 /**< DVB-S2 */ 115 116 SONY_HELENE_ATV_MIN = SONY_HELENE_ATV_MN_EIAJ, 117 /**< Minimum analog terrestrial system */ 118 SONY_HELENE_ATV_MAX = SONY_HELENE_ATV_L_DASH, 119 /**< Maximum analog terrestrial system */ 120 SONY_HELENE_DTV_MIN = SONY_HELENE_DTV_8VSB, 121 /**< Minimum digital terrestrial system */ 122 SONY_HELENE_DTV_MAX = SONY_HELENE_DTV_DTMB, 123 /**< Maximum digital terrestrial system */ 124 SONY_HELENE_TERR_TV_SYSTEM_NUM, 125 /**< Number of supported terrestrial broadcasting system */ 126 SONY_HELENE_STV_MIN = SONY_HELENE_STV_ISDBS, 127 /**< Minimum satellite system */ 128 SONY_HELENE_STV_MAX = SONY_HELENE_STV_DVBS2 129 /**< Maximum satellite system */ 130}; 131 132struct helene_terr_adjust_param_t { 133 /* < Addr:0x69 Bit[6:4] : RFVGA gain. 134 * 0xFF means Auto. (RF_GAIN_SEL = 1) 135 */ 136 uint8_t RF_GAIN; 137 /* < Addr:0x69 Bit[3:0] : IF_BPF gain. 138 */ 139 uint8_t IF_BPF_GC; 140 /* < Addr:0x6B Bit[3:0] : RF overload 141 * RF input detect level. (FRF <= 172MHz) 142 */ 143 uint8_t RFOVLD_DET_LV1_VL; 144 /* < Addr:0x6B Bit[3:0] : RF overload 145 * RF input detect level. (172MHz < FRF <= 464MHz) 146 */ 147 uint8_t RFOVLD_DET_LV1_VH; 148 /* < Addr:0x6B Bit[3:0] : RF overload 149 * RF input detect level. (FRF > 464MHz) 150 */ 151 uint8_t RFOVLD_DET_LV1_U; 152 /* < Addr:0x6C Bit[2:0] : 153 * Internal RFAGC detect level. (FRF <= 172MHz) 154 */ 155 uint8_t IFOVLD_DET_LV_VL; 156 /* < Addr:0x6C Bit[2:0] : 157 * Internal RFAGC detect level. (172MHz < FRF <= 464MHz) 158 */ 159 uint8_t IFOVLD_DET_LV_VH; 160 /* < Addr:0x6C Bit[2:0] : 161 * Internal RFAGC detect level. (FRF > 464MHz) 162 */ 163 uint8_t IFOVLD_DET_LV_U; 164 /* < Addr:0x6D Bit[5:4] : 165 * IF filter center offset. 166 */ 167 uint8_t IF_BPF_F0; 168 /* < Addr:0x6D Bit[1:0] : 169 * 6MHzBW(0x00) or 7MHzBW(0x01) 170 * or 8MHzBW(0x02) or 1.7MHzBW(0x03) 171 */ 172 uint8_t BW; 173 /* < Addr:0x6E Bit[4:0] : 174 * 5bit signed. IF offset (kHz) = FIF_OFFSET x 50 175 */ 176 uint8_t FIF_OFFSET; 177 /* < Addr:0x6F Bit[4:0] : 178 * 5bit signed. BW offset (kHz) = 179 * BW_OFFSET x 50 (BW_OFFSET x 10 in 1.7MHzBW) 180 */ 181 uint8_t BW_OFFSET; 182 /* < Addr:0x9C Bit[0] : 183 * Local polarity. (0: Upper Local, 1: Lower Local) 184 */ 185 uint8_t IS_LOWERLOCAL; 186}; 187 188static const struct helene_terr_adjust_param_t 189terr_params[SONY_HELENE_TERR_TV_SYSTEM_NUM] = { 190 /*< SONY_HELENE_TV_SYSTEM_UNKNOWN */ 191 {HELENE_AUTO, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 192 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(0), 0x00}, 193 /* Analog */ 194 /**< SONY_HELENE_ATV_MN_EIAJ (System-M (Japan)) */ 195 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00, 196 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00}, 197 /**< SONY_HELENE_ATV_MN_SAP (System-M (US)) */ 198 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00, 199 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00}, 200 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00, 201 HELENE_BW_6, HELENE_OFFSET(3), HELENE_OFFSET(1), 0x00}, 202 /**< SONY_HELENE_ATV_MN_A2 (System-M (Korea)) */ 203 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00, 204 HELENE_BW_7, HELENE_OFFSET(11), HELENE_OFFSET(5), 0x00}, 205 /**< SONY_HELENE_ATV_BG (System-B/G) */ 206 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00, 207 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00}, 208 /**< SONY_HELENE_ATV_I (System-I) */ 209 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00, 210 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00}, 211 /**< SONY_HELENE_ATV_DK (System-D/K) */ 212 {HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00, 213 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00}, 214 /**< SONY_HELENE_ATV_L (System-L) */ 215 {HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00, 216 HELENE_BW_8, HELENE_OFFSET(-1), HELENE_OFFSET(4), 0x00}, 217 /**< SONY_HELENE_ATV_L_DASH (System-L DASH) */ 218 /* Digital */ 219 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x03, 0x03, 0x03, 0x00, 220 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00}, 221 /**< SONY_HELENE_DTV_8VSB (ATSC 8VSB) */ 222 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 223 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00}, 224 /**< SONY_HELENE_DTV_QAM (US QAM) */ 225 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 226 HELENE_BW_6, HELENE_OFFSET(-9), HELENE_OFFSET(-5), 0x00}, 227 /**< SONY_HELENE_DTV_ISDBT_6 (ISDB-T 6MHzBW) */ 228 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 229 HELENE_BW_7, HELENE_OFFSET(-7), HELENE_OFFSET(-6), 0x00}, 230 /**< SONY_HELENE_DTV_ISDBT_7 (ISDB-T 7MHzBW) */ 231 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 232 HELENE_BW_8, HELENE_OFFSET(-5), HELENE_OFFSET(-7), 0x00}, 233 /**< SONY_HELENE_DTV_ISDBT_8 (ISDB-T 8MHzBW) */ 234 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 235 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00}, 236 /**< SONY_HELENE_DTV_DVBT_5 (DVB-T 5MHzBW) */ 237 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 238 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00}, 239 /**< SONY_HELENE_DTV_DVBT_6 (DVB-T 6MHzBW) */ 240 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 241 HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00}, 242 /**< SONY_HELENE_DTV_DVBT_7 (DVB-T 7MHzBW) */ 243 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 244 HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00}, 245 /**< SONY_HELENE_DTV_DVBT_8 (DVB-T 8MHzBW) */ 246 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 247 HELENE_BW_1_7, HELENE_OFFSET(-10), HELENE_OFFSET(-10), 0x00}, 248 /**< SONY_HELENE_DTV_DVBT2_1_7 (DVB-T2 1.7MHzBW) */ 249 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 250 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00}, 251 /**< SONY_HELENE_DTV_DVBT2_5 (DVB-T2 5MHzBW) */ 252 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 253 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00}, 254 /**< SONY_HELENE_DTV_DVBT2_6 (DVB-T2 6MHzBW) */ 255 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 256 HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00}, 257 /**< SONY_HELENE_DTV_DVBT2_7 (DVB-T2 7MHzBW) */ 258 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 259 HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00}, 260 /**< SONY_HELENE_DTV_DVBT2_8 (DVB-T2 8MHzBW) */ 261 {HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00, 262 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-4), 0x00}, 263 /**< SONY_HELENE_DTV_DVBC_6 (DVB-C 6MHzBW) */ 264 {HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00, 265 HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(-3), 0x00}, 266 /**< SONY_HELENE_DTV_DVBC_8 (DVB-C 8MHzBW) */ 267 {HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00, 268 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-2), 0x00}, 269 /**< SONY_HELENE_DTV_DVBC2_6 (DVB-C2 6MHzBW) */ 270 {HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00, 271 HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(0), 0x00}, 272 /**< SONY_HELENE_DTV_DVBC2_8 (DVB-C2 8MHzBW) */ 273 {HELENE_AUTO, 0x04, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00, 274 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(1), 0x00} 275 /**< SONY_HELENE_DTV_DTMB (DTMB) */ 276}; 277 278static void helene_i2c_debug(struct helene_priv *priv, 279 u8 reg, u8 write, const u8 *data, u32 len) 280{ 281 dev_dbg(&priv->i2c->dev, "helene: I2C %s reg 0x%02x size %d\n", 282 (write == 0 ? "read" : "write"), reg, len); 283 print_hex_dump_bytes("helene: I2C data: ", 284 DUMP_PREFIX_OFFSET, data, len); 285} 286 287static int helene_write_regs(struct helene_priv *priv, 288 u8 reg, const u8 *data, u32 len) 289{ 290 int ret; 291 u8 buf[MAX_WRITE_REGSIZE + 1]; 292 struct i2c_msg msg[1] = { 293 { 294 .addr = priv->i2c_address, 295 .flags = 0, 296 .len = len + 1, 297 .buf = buf, 298 } 299 }; 300 301 if (len + 1 > sizeof(buf)) { 302 dev_warn(&priv->i2c->dev, 303 "wr reg=%04x: len=%d vs %zu is too big!\n", 304 reg, len + 1, sizeof(buf)); 305 return -E2BIG; 306 } 307 308 helene_i2c_debug(priv, reg, 1, data, len); 309 buf[0] = reg; 310 memcpy(&buf[1], data, len); 311 ret = i2c_transfer(priv->i2c, msg, 1); 312 if (ret >= 0 && ret != 1) 313 ret = -EREMOTEIO; 314 if (ret < 0) { 315 dev_warn(&priv->i2c->dev, 316 "%s: i2c wr failed=%d reg=%02x len=%d\n", 317 KBUILD_MODNAME, ret, reg, len); 318 return ret; 319 } 320 return 0; 321} 322 323static int helene_write_reg(struct helene_priv *priv, u8 reg, u8 val) 324{ 325 u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ 326 327 return helene_write_regs(priv, reg, &tmp, 1); 328} 329 330static int helene_read_regs(struct helene_priv *priv, 331 u8 reg, u8 *val, u32 len) 332{ 333 int ret; 334 struct i2c_msg msg[2] = { 335 { 336 .addr = priv->i2c_address, 337 .flags = 0, 338 .len = 1, 339 .buf = ®, 340 }, { 341 .addr = priv->i2c_address, 342 .flags = I2C_M_RD, 343 .len = len, 344 .buf = val, 345 } 346 }; 347 348 ret = i2c_transfer(priv->i2c, &msg[0], 1); 349 if (ret >= 0 && ret != 1) 350 ret = -EREMOTEIO; 351 if (ret < 0) { 352 dev_warn(&priv->i2c->dev, 353 "%s: I2C rw failed=%d addr=%02x reg=%02x\n", 354 KBUILD_MODNAME, ret, priv->i2c_address, reg); 355 return ret; 356 } 357 ret = i2c_transfer(priv->i2c, &msg[1], 1); 358 if (ret >= 0 && ret != 1) 359 ret = -EREMOTEIO; 360 if (ret < 0) { 361 dev_warn(&priv->i2c->dev, 362 "%s: i2c rd failed=%d addr=%02x reg=%02x\n", 363 KBUILD_MODNAME, ret, priv->i2c_address, reg); 364 return ret; 365 } 366 helene_i2c_debug(priv, reg, 0, val, len); 367 return 0; 368} 369 370static int helene_read_reg(struct helene_priv *priv, u8 reg, u8 *val) 371{ 372 return helene_read_regs(priv, reg, val, 1); 373} 374 375static int helene_set_reg_bits(struct helene_priv *priv, 376 u8 reg, u8 data, u8 mask) 377{ 378 int res; 379 u8 rdata; 380 381 if (mask != 0xff) { 382 res = helene_read_reg(priv, reg, &rdata); 383 if (res != 0) 384 return res; 385 data = ((data & mask) | (rdata & (mask ^ 0xFF))); 386 } 387 return helene_write_reg(priv, reg, data); 388} 389 390static int helene_enter_power_save(struct helene_priv *priv) 391{ 392 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 393 if (priv->state == STATE_SLEEP) 394 return 0; 395 396 /* Standby setting for CPU */ 397 helene_write_reg(priv, 0x88, 0x0); 398 399 /* Standby setting for internal logic block */ 400 helene_write_reg(priv, 0x87, 0xC0); 401 402 priv->state = STATE_SLEEP; 403 return 0; 404} 405 406static int helene_leave_power_save(struct helene_priv *priv) 407{ 408 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 409 if (priv->state == STATE_ACTIVE) 410 return 0; 411 412 /* Standby setting for internal logic block */ 413 helene_write_reg(priv, 0x87, 0xC4); 414 415 /* Standby setting for CPU */ 416 helene_write_reg(priv, 0x88, 0x40); 417 418 priv->state = STATE_ACTIVE; 419 return 0; 420} 421 422static int helene_init(struct dvb_frontend *fe) 423{ 424 struct helene_priv *priv = fe->tuner_priv; 425 426 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 427 return helene_leave_power_save(priv); 428} 429 430static void helene_release(struct dvb_frontend *fe) 431{ 432 struct helene_priv *priv = fe->tuner_priv; 433 434 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 435 kfree(fe->tuner_priv); 436 fe->tuner_priv = NULL; 437} 438 439static int helene_sleep(struct dvb_frontend *fe) 440{ 441 struct helene_priv *priv = fe->tuner_priv; 442 443 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 444 helene_enter_power_save(priv); 445 return 0; 446} 447 448static enum helene_tv_system_t helene_get_tv_system(struct dvb_frontend *fe) 449{ 450 enum helene_tv_system_t system = SONY_HELENE_TV_SYSTEM_UNKNOWN; 451 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 452 struct helene_priv *priv = fe->tuner_priv; 453 454 if (p->delivery_system == SYS_DVBT) { 455 if (p->bandwidth_hz <= 5000000) 456 system = SONY_HELENE_DTV_DVBT_5; 457 else if (p->bandwidth_hz <= 6000000) 458 system = SONY_HELENE_DTV_DVBT_6; 459 else if (p->bandwidth_hz <= 7000000) 460 system = SONY_HELENE_DTV_DVBT_7; 461 else if (p->bandwidth_hz <= 8000000) 462 system = SONY_HELENE_DTV_DVBT_8; 463 else { 464 system = SONY_HELENE_DTV_DVBT_8; 465 p->bandwidth_hz = 8000000; 466 } 467 } else if (p->delivery_system == SYS_DVBT2) { 468 if (p->bandwidth_hz <= 5000000) 469 system = SONY_HELENE_DTV_DVBT2_5; 470 else if (p->bandwidth_hz <= 6000000) 471 system = SONY_HELENE_DTV_DVBT2_6; 472 else if (p->bandwidth_hz <= 7000000) 473 system = SONY_HELENE_DTV_DVBT2_7; 474 else if (p->bandwidth_hz <= 8000000) 475 system = SONY_HELENE_DTV_DVBT2_8; 476 else { 477 system = SONY_HELENE_DTV_DVBT2_8; 478 p->bandwidth_hz = 8000000; 479 } 480 } else if (p->delivery_system == SYS_DVBS) { 481 system = SONY_HELENE_STV_DVBS; 482 } else if (p->delivery_system == SYS_DVBS2) { 483 system = SONY_HELENE_STV_DVBS2; 484 } else if (p->delivery_system == SYS_ISDBS) { 485 system = SONY_HELENE_STV_ISDBS; 486 } else if (p->delivery_system == SYS_ISDBT) { 487 if (p->bandwidth_hz <= 6000000) 488 system = SONY_HELENE_DTV_ISDBT_6; 489 else if (p->bandwidth_hz <= 7000000) 490 system = SONY_HELENE_DTV_ISDBT_7; 491 else if (p->bandwidth_hz <= 8000000) 492 system = SONY_HELENE_DTV_ISDBT_8; 493 else { 494 system = SONY_HELENE_DTV_ISDBT_8; 495 p->bandwidth_hz = 8000000; 496 } 497 } else if (p->delivery_system == SYS_DVBC_ANNEX_A) { 498 if (p->bandwidth_hz <= 6000000) 499 system = SONY_HELENE_DTV_DVBC_6; 500 else if (p->bandwidth_hz <= 8000000) 501 system = SONY_HELENE_DTV_DVBC_8; 502 } 503 dev_dbg(&priv->i2c->dev, 504 "%s(): HELENE DTV system %d (delsys %d, bandwidth %d)\n", 505 __func__, (int)system, p->delivery_system, 506 p->bandwidth_hz); 507 return system; 508} 509 510static int helene_set_params_s(struct dvb_frontend *fe) 511{ 512 u8 data[MAX_WRITE_REGSIZE]; 513 u32 frequency; 514 enum helene_tv_system_t tv_system; 515 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 516 struct helene_priv *priv = fe->tuner_priv; 517 int frequencykHz = p->frequency; 518 uint32_t frequency4kHz = 0; 519 u32 symbol_rate = p->symbol_rate/1000; 520 521 dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz sr=%uKsps\n", 522 __func__, frequencykHz, symbol_rate); 523 tv_system = helene_get_tv_system(fe); 524 525 if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) { 526 dev_err(&priv->i2c->dev, "%s(): unknown DTV system\n", 527 __func__); 528 return -EINVAL; 529 } 530 /* RF switch turn to satellite */ 531 if (priv->set_tuner) 532 priv->set_tuner(priv->set_tuner_data, 0); 533 frequency = roundup(p->frequency / 1000, 1); 534 535 /* Disable IF signal output */ 536 helene_write_reg(priv, 0x15, 0x02); 537 538 /* RFIN matching in power save (Sat) reset */ 539 helene_write_reg(priv, 0x43, 0x06); 540 541 /* Analog block setting (0x6A, 0x6B) */ 542 data[0] = 0x00; 543 data[1] = 0x00; 544 helene_write_regs(priv, 0x6A, data, 2); 545 helene_write_reg(priv, 0x75, 0x99); 546 helene_write_reg(priv, 0x9D, 0x00); 547 548 /* Tuning setting for CPU (0x61) */ 549 helene_write_reg(priv, 0x61, 0x07); 550 551 /* Satellite mode select (0x01) */ 552 helene_write_reg(priv, 0x01, 0x01); 553 554 /* Clock enable for internal logic block, CPU wake-up (0x04, 0x05) */ 555 data[0] = 0xC4; 556 data[1] = 0x40; 557 558 switch (priv->xtal) { 559 case SONY_HELENE_XTAL_16000: 560 data[2] = 0x02; 561 break; 562 case SONY_HELENE_XTAL_20500: 563 data[2] = 0x02; 564 break; 565 case SONY_HELENE_XTAL_24000: 566 data[2] = 0x03; 567 break; 568 case SONY_HELENE_XTAL_41000: 569 data[2] = 0x05; 570 break; 571 default: 572 dev_err(&priv->i2c->dev, "%s(): unknown xtal %d\n", 573 __func__, priv->xtal); 574 return -EINVAL; 575 } 576 577 /* Setting for analog block (0x07). LOOPFILTER INTERNAL */ 578 data[3] = 0x80; 579 580 /* Tuning setting for analog block 581 * (0x08, 0x09, 0x0A, 0x0B). LOOPFILTER INTERNAL 582 */ 583 if (priv->xtal == SONY_HELENE_XTAL_20500) 584 data[4] = 0x58; 585 else 586 data[4] = 0x70; 587 588 data[5] = 0x1E; 589 data[6] = 0x02; 590 data[7] = 0x24; 591 592 /* Enable for analog block (0x0C, 0x0D, 0x0E). SAT LNA ON */ 593 data[8] = 0x0F; 594 data[8] |= 0xE0; /* POWERSAVE_TERR_RF_ACTIVE */ 595 data[9] = 0x02; 596 data[10] = 0x1E; 597 598 /* Setting for LPF cutoff frequency (0x0F) */ 599 switch (tv_system) { 600 case SONY_HELENE_STV_ISDBS: 601 data[11] = 0x22; /* 22MHz */ 602 break; 603 case SONY_HELENE_STV_DVBS: 604 if (symbol_rate <= 4000) 605 data[11] = 0x05; 606 else if (symbol_rate <= 10000) 607 data[11] = (uint8_t)((symbol_rate * 47 608 + (40000-1)) / 40000); 609 else 610 data[11] = (uint8_t)((symbol_rate * 27 611 + (40000-1)) / 40000 + 5); 612 613 if (data[11] > 36) 614 data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */ 615 break; 616 case SONY_HELENE_STV_DVBS2: 617 if (symbol_rate <= 4000) 618 data[11] = 0x05; 619 else if (symbol_rate <= 10000) 620 data[11] = (uint8_t)((symbol_rate * 11 621 + (10000-1)) / 10000); 622 else 623 data[11] = (uint8_t)((symbol_rate * 3 624 + (5000-1)) / 5000 + 5); 625 626 if (data[11] > 36) 627 data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */ 628 break; 629 default: 630 dev_err(&priv->i2c->dev, "%s(): unknown standard %d\n", 631 __func__, tv_system); 632 return -EINVAL; 633 } 634 635 /* RF tuning frequency setting (0x10, 0x11, 0x12) */ 636 frequency4kHz = (frequencykHz + 2) / 4; 637 data[12] = (uint8_t)(frequency4kHz & 0xFF); /* FRF_L */ 638 data[13] = (uint8_t)((frequency4kHz >> 8) & 0xFF); /* FRF_M */ 639 /* FRF_H (bit[3:0]) */ 640 data[14] = (uint8_t)((frequency4kHz >> 16) & 0x0F); 641 642 /* Tuning command (0x13) */ 643 data[15] = 0xFF; 644 645 /* Setting for IQOUT_LIMIT (0x14) 0.75Vpp */ 646 data[16] = 0x00; 647 648 /* Enable IQ output (0x15) */ 649 data[17] = 0x01; 650 651 helene_write_regs(priv, 0x04, data, 18); 652 653 dev_dbg(&priv->i2c->dev, "%s(): tune done\n", 654 __func__); 655 656 priv->frequency = frequency; 657 return 0; 658} 659 660static int helene_set_params_t(struct dvb_frontend *fe) 661{ 662 u8 data[MAX_WRITE_REGSIZE]; 663 u32 frequency; 664 enum helene_tv_system_t tv_system; 665 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 666 struct helene_priv *priv = fe->tuner_priv; 667 int frequencykHz = p->frequency / 1000; 668 669 dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz\n", 670 __func__, frequencykHz); 671 tv_system = helene_get_tv_system(fe); 672 673 if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) { 674 dev_dbg(&priv->i2c->dev, "%s(): unknown DTV system\n", 675 __func__); 676 return -EINVAL; 677 } 678 if (priv->set_tuner) 679 priv->set_tuner(priv->set_tuner_data, 1); 680 frequency = roundup(p->frequency / 1000, 25); 681 682 /* mode select */ 683 helene_write_reg(priv, 0x01, 0x00); 684 685 /* Disable IF signal output */ 686 helene_write_reg(priv, 0x74, 0x02); 687 688 if (priv->state == STATE_SLEEP) 689 helene_leave_power_save(priv); 690 691 /* Initial setting for internal analog block (0x91, 0x92) */ 692 if ((tv_system == SONY_HELENE_DTV_DVBC_6) || 693 (tv_system == SONY_HELENE_DTV_DVBC_8)) { 694 data[0] = 0x16; 695 data[1] = 0x26; 696 } else { 697 data[0] = 0x10; 698 data[1] = 0x20; 699 } 700 helene_write_regs(priv, 0x91, data, 2); 701 702 /* Setting for analog block */ 703 if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system)) 704 data[0] = 0x90; 705 else 706 data[0] = 0x00; 707 708 /* Setting for local polarity (0x9D) */ 709 data[1] = (uint8_t)(terr_params[tv_system].IS_LOWERLOCAL & 0x01); 710 helene_write_regs(priv, 0x9C, data, 2); 711 712 /* Enable for analog block */ 713 data[0] = 0xEE; 714 data[1] = 0x02; 715 data[2] = 0x1E; 716 data[3] = 0x67; /* Tuning setting for CPU */ 717 718 /* Setting for PLL reference divider for xtal=24MHz */ 719 if ((tv_system == SONY_HELENE_DTV_DVBC_6) || 720 (tv_system == SONY_HELENE_DTV_DVBC_8)) 721 data[4] = 0x18; 722 else 723 data[4] = 0x03; 724 725 /* Tuning setting for analog block */ 726 if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system)) { 727 data[5] = 0x38; 728 data[6] = 0x1E; 729 data[7] = 0x02; 730 data[8] = 0x24; 731 } else if ((tv_system == SONY_HELENE_DTV_DVBC_6) || 732 (tv_system == SONY_HELENE_DTV_DVBC_8)) { 733 data[5] = 0x1C; 734 data[6] = 0x78; 735 data[7] = 0x08; 736 data[8] = 0x1C; 737 } else { 738 data[5] = 0xB4; 739 data[6] = 0x78; 740 data[7] = 0x08; 741 data[8] = 0x30; 742 } 743 helene_write_regs(priv, 0x5E, data, 9); 744 745 /* LT_AMP_EN should be 0 */ 746 helene_set_reg_bits(priv, 0x67, 0x0, 0x02); 747 748 /* Setting for IFOUT_LIMIT */ 749 data[0] = 0x00; /* 1.5Vpp */ 750 751 /* RF_GAIN setting */ 752 if (terr_params[tv_system].RF_GAIN == HELENE_AUTO) 753 data[1] = 0x80; /* RF_GAIN_SEL = 1 */ 754 else 755 data[1] = (uint8_t)((terr_params[tv_system].RF_GAIN 756 << 4) & 0x70); 757 758 /* IF_BPF_GC setting */ 759 data[1] |= (uint8_t)(terr_params[tv_system].IF_BPF_GC & 0x0F); 760 761 /* Setting for internal RFAGC (0x6A, 0x6B, 0x6C) */ 762 data[2] = 0x00; 763 if (frequencykHz <= 172000) { 764 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VL 765 & 0x0F); 766 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VL 767 & 0x07); 768 } else if (frequencykHz <= 464000) { 769 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VH 770 & 0x0F); 771 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VH 772 & 0x07); 773 } else { 774 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_U 775 & 0x0F); 776 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_U 777 & 0x07); 778 } 779 data[4] |= 0x20; 780 781 /* Setting for IF frequency and bandwidth */ 782 783 /* IF filter center frequency offset (IF_BPF_F0) (0x6D) */ 784 data[5] = (uint8_t)((terr_params[tv_system].IF_BPF_F0 << 4) & 0x30); 785 786 /* IF filter band width (BW) (0x6D) */ 787 data[5] |= (uint8_t)(terr_params[tv_system].BW & 0x03); 788 789 /* IF frequency offset value (FIF_OFFSET) (0x6E) */ 790 data[6] = (uint8_t)(terr_params[tv_system].FIF_OFFSET & 0x1F); 791 792 /* IF band width offset value (BW_OFFSET) (0x6F) */ 793 data[7] = (uint8_t)(terr_params[tv_system].BW_OFFSET & 0x1F); 794 795 /* RF tuning frequency setting (0x70, 0x71, 0x72) */ 796 data[8] = (uint8_t)(frequencykHz & 0xFF); /* FRF_L */ 797 data[9] = (uint8_t)((frequencykHz >> 8) & 0xFF); /* FRF_M */ 798 data[10] = (uint8_t)((frequencykHz >> 16) 799 & 0x0F); /* FRF_H (bit[3:0]) */ 800 801 /* Tuning command */ 802 data[11] = 0xFF; 803 804 /* Enable IF output, AGC and IFOUT pin selection (0x74) */ 805 data[12] = 0x01; 806 807 if ((tv_system == SONY_HELENE_DTV_DVBC_6) || 808 (tv_system == SONY_HELENE_DTV_DVBC_8)) { 809 data[13] = 0xD9; 810 data[14] = 0x0F; 811 data[15] = 0x24; 812 data[16] = 0x87; 813 } else { 814 data[13] = 0x99; 815 data[14] = 0x00; 816 data[15] = 0x24; 817 data[16] = 0x87; 818 } 819 820 helene_write_regs(priv, 0x68, data, 17); 821 822 dev_dbg(&priv->i2c->dev, "%s(): tune done\n", 823 __func__); 824 825 priv->frequency = frequency; 826 return 0; 827} 828 829static int helene_set_params(struct dvb_frontend *fe) 830{ 831 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 832 833 if (p->delivery_system == SYS_DVBT || 834 p->delivery_system == SYS_DVBT2 || 835 p->delivery_system == SYS_ISDBT || 836 p->delivery_system == SYS_DVBC_ANNEX_A) 837 return helene_set_params_t(fe); 838 839 return helene_set_params_s(fe); 840} 841 842static int helene_get_frequency(struct dvb_frontend *fe, u32 *frequency) 843{ 844 struct helene_priv *priv = fe->tuner_priv; 845 846 *frequency = priv->frequency * 1000; 847 return 0; 848} 849 850static const struct dvb_tuner_ops helene_tuner_ops_t = { 851 .info = { 852 .name = "Sony HELENE Ter tuner", 853 .frequency_min_hz = 1 * MHz, 854 .frequency_max_hz = 1200 * MHz, 855 .frequency_step_hz = 25 * kHz, 856 }, 857 .init = helene_init, 858 .release = helene_release, 859 .sleep = helene_sleep, 860 .set_params = helene_set_params_t, 861 .get_frequency = helene_get_frequency, 862}; 863 864static const struct dvb_tuner_ops helene_tuner_ops_s = { 865 .info = { 866 .name = "Sony HELENE Sat tuner", 867 .frequency_min_hz = 500 * MHz, 868 .frequency_max_hz = 2500 * MHz, 869 .frequency_step_hz = 1 * MHz, 870 }, 871 .init = helene_init, 872 .release = helene_release, 873 .sleep = helene_sleep, 874 .set_params = helene_set_params_s, 875 .get_frequency = helene_get_frequency, 876}; 877 878static const struct dvb_tuner_ops helene_tuner_ops = { 879 .info = { 880 .name = "Sony HELENE Sat/Ter tuner", 881 .frequency_min_hz = 1 * MHz, 882 .frequency_max_hz = 2500 * MHz, 883 .frequency_step_hz = 25 * kHz, 884 }, 885 .init = helene_init, 886 .release = helene_release, 887 .sleep = helene_sleep, 888 .set_params = helene_set_params, 889 .get_frequency = helene_get_frequency, 890}; 891 892/* power-on tuner 893 * call once after reset 894 */ 895static int helene_x_pon(struct helene_priv *priv) 896{ 897 /* RFIN matching in power save (terrestrial) = ACTIVE */ 898 /* RFIN matching in power save (satellite) = ACTIVE */ 899 u8 dataT[] = { 0x06, 0x00, 0x02, 0x00 }; 900 /* SAT_RF_ACTIVE = true, lnaOff = false, terrRfActive = true */ 901 u8 dataS[] = { 0x05, 0x06 }; 902 u8 cdata[] = {0x7A, 0x01}; 903 u8 data[20]; 904 u8 rdata[2]; 905 906 /* mode select */ 907 helene_write_reg(priv, 0x01, 0x00); 908 909 helene_write_reg(priv, 0x67, dataT[3]); 910 helene_write_reg(priv, 0x43, dataS[1]); 911 helene_write_regs(priv, 0x5E, dataT, 3); 912 helene_write_reg(priv, 0x0C, dataS[0]); 913 914 /* Initial setting for internal logic block */ 915 helene_write_regs(priv, 0x99, cdata, sizeof(cdata)); 916 917 /* 0x81 - 0x94 */ 918 if (priv->xtal == SONY_HELENE_XTAL_16000) 919 data[0] = 0x10; /* xtal 16 MHz */ 920 else 921 data[0] = 0x18; /* xtal 24 MHz */ 922 data[1] = (uint8_t)(0x80 | (0x04 & 0x1F)); /* 4 x 25 = 100uA */ 923 data[2] = (uint8_t)(0x80 | (0x26 & 0x7F)); /* 38 x 0.25 = 9.5pF */ 924 data[3] = 0x80; /* REFOUT signal output 500mVpp */ 925 data[4] = 0x00; /* GPIO settings */ 926 data[5] = 0x00; /* GPIO settings */ 927 data[6] = 0xC4; /* Clock enable for internal logic block */ 928 data[7] = 0x40; /* Start CPU boot-up */ 929 data[8] = 0x10; /* For burst-write */ 930 931 /* Setting for internal RFAGC */ 932 data[9] = 0x00; 933 data[10] = 0x45; 934 data[11] = 0x75; 935 936 data[12] = 0x07; /* Setting for analog block */ 937 938 /* Initial setting for internal analog block */ 939 data[13] = 0x1C; 940 data[14] = 0x3F; 941 data[15] = 0x02; 942 data[16] = 0x10; 943 data[17] = 0x20; 944 data[18] = 0x0A; 945 data[19] = 0x00; 946 947 helene_write_regs(priv, 0x81, data, sizeof(data)); 948 949 /* Setting for internal RFAGC */ 950 helene_write_reg(priv, 0x9B, 0x00); 951 952 msleep(20); 953 954 /* Check CPU_STT/CPU_ERR */ 955 helene_read_regs(priv, 0x1A, rdata, sizeof(rdata)); 956 957 if (rdata[0] != 0x00) { 958 dev_err(&priv->i2c->dev, 959 "HELENE tuner CPU error 0x%x\n", rdata[0]); 960 return -EIO; 961 } 962 963 /* VCO current setting */ 964 cdata[0] = 0x90; 965 cdata[1] = 0x06; 966 helene_write_regs(priv, 0x17, cdata, sizeof(cdata)); 967 msleep(20); 968 helene_read_reg(priv, 0x19, data); 969 helene_write_reg(priv, 0x95, (uint8_t)((data[0] >> 4) & 0x0F)); 970 971 /* Disable IF signal output */ 972 helene_write_reg(priv, 0x74, 0x02); 973 974 /* Standby setting for CPU */ 975 helene_write_reg(priv, 0x88, 0x00); 976 977 /* Standby setting for internal logic block */ 978 helene_write_reg(priv, 0x87, 0xC0); 979 980 /* Load capacitance control setting for crystal oscillator */ 981 helene_write_reg(priv, 0x80, 0x01); 982 983 /* Satellite initial setting */ 984 cdata[0] = 0x07; 985 cdata[1] = 0x00; 986 helene_write_regs(priv, 0x41, cdata, sizeof(cdata)); 987 988 dev_info(&priv->i2c->dev, 989 "HELENE tuner x_pon done\n"); 990 991 return 0; 992} 993 994struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe, 995 const struct helene_config *config, 996 struct i2c_adapter *i2c) 997{ 998 struct helene_priv *priv = NULL; 999 1000 priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL); 1001 if (priv == NULL) 1002 return NULL; 1003 priv->i2c_address = (config->i2c_address >> 1); 1004 priv->i2c = i2c; 1005 priv->set_tuner_data = config->set_tuner_priv; 1006 priv->set_tuner = config->set_tuner_callback; 1007 priv->xtal = config->xtal; 1008 1009 if (fe->ops.i2c_gate_ctrl) 1010 fe->ops.i2c_gate_ctrl(fe, 1); 1011 1012 if (helene_x_pon(priv) != 0) { 1013 kfree(priv); 1014 return NULL; 1015 } 1016 1017 if (fe->ops.i2c_gate_ctrl) 1018 fe->ops.i2c_gate_ctrl(fe, 0); 1019 1020 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_s, 1021 sizeof(struct dvb_tuner_ops)); 1022 fe->tuner_priv = priv; 1023 dev_info(&priv->i2c->dev, 1024 "Sony HELENE Sat attached on addr=%x at I2C adapter %p\n", 1025 priv->i2c_address, priv->i2c); 1026 return fe; 1027} 1028EXPORT_SYMBOL_GPL(helene_attach_s); 1029 1030struct dvb_frontend *helene_attach(struct dvb_frontend *fe, 1031 const struct helene_config *config, 1032 struct i2c_adapter *i2c) 1033{ 1034 struct helene_priv *priv = NULL; 1035 1036 priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL); 1037 if (priv == NULL) 1038 return NULL; 1039 priv->i2c_address = (config->i2c_address >> 1); 1040 priv->i2c = i2c; 1041 priv->set_tuner_data = config->set_tuner_priv; 1042 priv->set_tuner = config->set_tuner_callback; 1043 priv->xtal = config->xtal; 1044 1045 if (fe->ops.i2c_gate_ctrl) 1046 fe->ops.i2c_gate_ctrl(fe, 1); 1047 1048 if (helene_x_pon(priv) != 0) { 1049 kfree(priv); 1050 return NULL; 1051 } 1052 1053 if (fe->ops.i2c_gate_ctrl) 1054 fe->ops.i2c_gate_ctrl(fe, 0); 1055 1056 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_t, 1057 sizeof(struct dvb_tuner_ops)); 1058 fe->tuner_priv = priv; 1059 dev_info(&priv->i2c->dev, 1060 "Sony HELENE Ter attached on addr=%x at I2C adapter %p\n", 1061 priv->i2c_address, priv->i2c); 1062 return fe; 1063} 1064EXPORT_SYMBOL_GPL(helene_attach); 1065 1066static int helene_probe(struct i2c_client *client) 1067{ 1068 struct helene_config *config = client->dev.platform_data; 1069 struct dvb_frontend *fe = config->fe; 1070 struct device *dev = &client->dev; 1071 struct helene_priv *priv; 1072 1073 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 1074 if (!priv) 1075 return -ENOMEM; 1076 1077 priv->i2c_address = client->addr; 1078 priv->i2c = client->adapter; 1079 priv->set_tuner_data = config->set_tuner_priv; 1080 priv->set_tuner = config->set_tuner_callback; 1081 priv->xtal = config->xtal; 1082 1083 if (fe->ops.i2c_gate_ctrl) 1084 fe->ops.i2c_gate_ctrl(fe, 1); 1085 1086 if (helene_x_pon(priv) != 0) 1087 return -EINVAL; 1088 1089 if (fe->ops.i2c_gate_ctrl) 1090 fe->ops.i2c_gate_ctrl(fe, 0); 1091 1092 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops, 1093 sizeof(struct dvb_tuner_ops)); 1094 fe->tuner_priv = priv; 1095 i2c_set_clientdata(client, priv); 1096 1097 dev_info(dev, "Sony HELENE attached on addr=%x at I2C adapter %p\n", 1098 priv->i2c_address, priv->i2c); 1099 1100 return 0; 1101} 1102 1103static const struct i2c_device_id helene_id[] = { 1104 { "helene", }, 1105 {} 1106}; 1107MODULE_DEVICE_TABLE(i2c, helene_id); 1108 1109static struct i2c_driver helene_driver = { 1110 .driver = { 1111 .name = "helene", 1112 }, 1113 .probe = helene_probe, 1114 .id_table = helene_id, 1115}; 1116module_i2c_driver(helene_driver); 1117 1118MODULE_DESCRIPTION("Sony HELENE Sat/Ter tuner driver"); 1119MODULE_AUTHOR("Abylay Ospan <aospan@netup.ru>"); 1120MODULE_LICENSE("GPL"); 1121