1 /* 2 * cxd2841er.c 3 * 4 * Sony digital demodulator driver for 5 * CXD2841ER - DVB-S/S2/T/T2/C/C2 6 * CXD2854ER - DVB-S/S2/T/T2/C/C2, ISDB-T/S 7 * 8 * Copyright 2012 Sony Corporation 9 * Copyright (C) 2014 NetUP Inc. 10 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> 11 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 */ 23 24 #include <linux/module.h> 25 #include <linux/init.h> 26 #include <linux/string.h> 27 #include <linux/slab.h> 28 #include <linux/bitops.h> 29 #include <linux/math64.h> 30 #include <linux/log2.h> 31 #include <linux/dynamic_debug.h> 32 #include <linux/kernel.h> 33 34 #include <media/dvb_math.h> 35 #include <media/dvb_frontend.h> 36 #include "cxd2841er.h" 37 #include "cxd2841er_priv.h" 38 39 #define MAX_WRITE_REGSIZE 16 40 #define LOG2_E_100X 144 41 42 #define INTLOG10X100(x) ((u32) (((u64) intlog10(x) * 100) >> 24)) 43 44 /* DVB-C constellation */ 45 enum sony_dvbc_constellation_t { 46 SONY_DVBC_CONSTELLATION_16QAM, 47 SONY_DVBC_CONSTELLATION_32QAM, 48 SONY_DVBC_CONSTELLATION_64QAM, 49 SONY_DVBC_CONSTELLATION_128QAM, 50 SONY_DVBC_CONSTELLATION_256QAM 51 }; 52 53 enum cxd2841er_state { 54 STATE_SHUTDOWN = 0, 55 STATE_SLEEP_S, 56 STATE_ACTIVE_S, 57 STATE_SLEEP_TC, 58 STATE_ACTIVE_TC 59 }; 60 61 struct cxd2841er_priv { 62 struct dvb_frontend frontend; 63 struct i2c_adapter *i2c; 64 u8 i2c_addr_slvx; 65 u8 i2c_addr_slvt; 66 const struct cxd2841er_config *config; 67 enum cxd2841er_state state; 68 u8 system; 69 enum cxd2841er_xtal xtal; 70 enum fe_caps caps; 71 u32 flags; 72 }; 73 74 static const struct cxd2841er_cnr_data s_cn_data[] = { 75 { 0x033e, 0 }, { 0x0339, 100 }, { 0x0333, 200 }, 76 { 0x032e, 300 }, { 0x0329, 400 }, { 0x0324, 500 }, 77 { 0x031e, 600 }, { 0x0319, 700 }, { 0x0314, 800 }, 78 { 0x030f, 900 }, { 0x030a, 1000 }, { 0x02ff, 1100 }, 79 { 0x02f4, 1200 }, { 0x02e9, 1300 }, { 0x02de, 1400 }, 80 { 0x02d4, 1500 }, { 0x02c9, 1600 }, { 0x02bf, 1700 }, 81 { 0x02b5, 1800 }, { 0x02ab, 1900 }, { 0x02a1, 2000 }, 82 { 0x029b, 2100 }, { 0x0295, 2200 }, { 0x0290, 2300 }, 83 { 0x028a, 2400 }, { 0x0284, 2500 }, { 0x027f, 2600 }, 84 { 0x0279, 2700 }, { 0x0274, 2800 }, { 0x026e, 2900 }, 85 { 0x0269, 3000 }, { 0x0262, 3100 }, { 0x025c, 3200 }, 86 { 0x0255, 3300 }, { 0x024f, 3400 }, { 0x0249, 3500 }, 87 { 0x0242, 3600 }, { 0x023c, 3700 }, { 0x0236, 3800 }, 88 { 0x0230, 3900 }, { 0x022a, 4000 }, { 0x0223, 4100 }, 89 { 0x021c, 4200 }, { 0x0215, 4300 }, { 0x020e, 4400 }, 90 { 0x0207, 4500 }, { 0x0201, 4600 }, { 0x01fa, 4700 }, 91 { 0x01f4, 4800 }, { 0x01ed, 4900 }, { 0x01e7, 5000 }, 92 { 0x01e0, 5100 }, { 0x01d9, 5200 }, { 0x01d2, 5300 }, 93 { 0x01cb, 5400 }, { 0x01c4, 5500 }, { 0x01be, 5600 }, 94 { 0x01b7, 5700 }, { 0x01b1, 5800 }, { 0x01aa, 5900 }, 95 { 0x01a4, 6000 }, { 0x019d, 6100 }, { 0x0196, 6200 }, 96 { 0x018f, 6300 }, { 0x0189, 6400 }, { 0x0182, 6500 }, 97 { 0x017c, 6600 }, { 0x0175, 6700 }, { 0x016f, 6800 }, 98 { 0x0169, 6900 }, { 0x0163, 7000 }, { 0x015c, 7100 }, 99 { 0x0156, 7200 }, { 0x0150, 7300 }, { 0x014a, 7400 }, 100 { 0x0144, 7500 }, { 0x013e, 7600 }, { 0x0138, 7700 }, 101 { 0x0132, 7800 }, { 0x012d, 7900 }, { 0x0127, 8000 }, 102 { 0x0121, 8100 }, { 0x011c, 8200 }, { 0x0116, 8300 }, 103 { 0x0111, 8400 }, { 0x010b, 8500 }, { 0x0106, 8600 }, 104 { 0x0101, 8700 }, { 0x00fc, 8800 }, { 0x00f7, 8900 }, 105 { 0x00f2, 9000 }, { 0x00ee, 9100 }, { 0x00ea, 9200 }, 106 { 0x00e6, 9300 }, { 0x00e2, 9400 }, { 0x00de, 9500 }, 107 { 0x00da, 9600 }, { 0x00d7, 9700 }, { 0x00d3, 9800 }, 108 { 0x00d0, 9900 }, { 0x00cc, 10000 }, { 0x00c7, 10100 }, 109 { 0x00c3, 10200 }, { 0x00bf, 10300 }, { 0x00ba, 10400 }, 110 { 0x00b6, 10500 }, { 0x00b2, 10600 }, { 0x00ae, 10700 }, 111 { 0x00aa, 10800 }, { 0x00a7, 10900 }, { 0x00a3, 11000 }, 112 { 0x009f, 11100 }, { 0x009c, 11200 }, { 0x0098, 11300 }, 113 { 0x0094, 11400 }, { 0x0091, 11500 }, { 0x008e, 11600 }, 114 { 0x008a, 11700 }, { 0x0087, 11800 }, { 0x0084, 11900 }, 115 { 0x0081, 12000 }, { 0x007e, 12100 }, { 0x007b, 12200 }, 116 { 0x0079, 12300 }, { 0x0076, 12400 }, { 0x0073, 12500 }, 117 { 0x0071, 12600 }, { 0x006e, 12700 }, { 0x006c, 12800 }, 118 { 0x0069, 12900 }, { 0x0067, 13000 }, { 0x0065, 13100 }, 119 { 0x0062, 13200 }, { 0x0060, 13300 }, { 0x005e, 13400 }, 120 { 0x005c, 13500 }, { 0x005a, 13600 }, { 0x0058, 13700 }, 121 { 0x0056, 13800 }, { 0x0054, 13900 }, { 0x0052, 14000 }, 122 { 0x0050, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 }, 123 { 0x004b, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 }, 124 { 0x0046, 14700 }, { 0x0044, 14800 }, { 0x0043, 14900 }, 125 { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 }, 126 { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 }, 127 { 0x0037, 15700 }, { 0x0036, 15800 }, { 0x0034, 15900 }, 128 { 0x0033, 16000 }, { 0x0032, 16100 }, { 0x0031, 16200 }, 129 { 0x0030, 16300 }, { 0x002f, 16400 }, { 0x002e, 16500 }, 130 { 0x002d, 16600 }, { 0x002c, 16700 }, { 0x002b, 16800 }, 131 { 0x002a, 16900 }, { 0x0029, 17000 }, { 0x0028, 17100 }, 132 { 0x0027, 17200 }, { 0x0026, 17300 }, { 0x0025, 17400 }, 133 { 0x0024, 17500 }, { 0x0023, 17600 }, { 0x0022, 17800 }, 134 { 0x0021, 17900 }, { 0x0020, 18000 }, { 0x001f, 18200 }, 135 { 0x001e, 18300 }, { 0x001d, 18500 }, { 0x001c, 18700 }, 136 { 0x001b, 18900 }, { 0x001a, 19000 }, { 0x0019, 19200 }, 137 { 0x0018, 19300 }, { 0x0017, 19500 }, { 0x0016, 19700 }, 138 { 0x0015, 19900 }, { 0x0014, 20000 }, 139 }; 140 141 static const struct cxd2841er_cnr_data s2_cn_data[] = { 142 { 0x05af, 0 }, { 0x0597, 100 }, { 0x057e, 200 }, 143 { 0x0567, 300 }, { 0x0550, 400 }, { 0x0539, 500 }, 144 { 0x0522, 600 }, { 0x050c, 700 }, { 0x04f6, 800 }, 145 { 0x04e1, 900 }, { 0x04cc, 1000 }, { 0x04b6, 1100 }, 146 { 0x04a1, 1200 }, { 0x048c, 1300 }, { 0x0477, 1400 }, 147 { 0x0463, 1500 }, { 0x044f, 1600 }, { 0x043c, 1700 }, 148 { 0x0428, 1800 }, { 0x0416, 1900 }, { 0x0403, 2000 }, 149 { 0x03ef, 2100 }, { 0x03dc, 2200 }, { 0x03c9, 2300 }, 150 { 0x03b6, 2400 }, { 0x03a4, 2500 }, { 0x0392, 2600 }, 151 { 0x0381, 2700 }, { 0x036f, 2800 }, { 0x035f, 2900 }, 152 { 0x034e, 3000 }, { 0x033d, 3100 }, { 0x032d, 3200 }, 153 { 0x031d, 3300 }, { 0x030d, 3400 }, { 0x02fd, 3500 }, 154 { 0x02ee, 3600 }, { 0x02df, 3700 }, { 0x02d0, 3800 }, 155 { 0x02c2, 3900 }, { 0x02b4, 4000 }, { 0x02a6, 4100 }, 156 { 0x0299, 4200 }, { 0x028c, 4300 }, { 0x027f, 4400 }, 157 { 0x0272, 4500 }, { 0x0265, 4600 }, { 0x0259, 4700 }, 158 { 0x024d, 4800 }, { 0x0241, 4900 }, { 0x0236, 5000 }, 159 { 0x022b, 5100 }, { 0x0220, 5200 }, { 0x0215, 5300 }, 160 { 0x020a, 5400 }, { 0x0200, 5500 }, { 0x01f6, 5600 }, 161 { 0x01ec, 5700 }, { 0x01e2, 5800 }, { 0x01d8, 5900 }, 162 { 0x01cf, 6000 }, { 0x01c6, 6100 }, { 0x01bc, 6200 }, 163 { 0x01b3, 6300 }, { 0x01aa, 6400 }, { 0x01a2, 6500 }, 164 { 0x0199, 6600 }, { 0x0191, 6700 }, { 0x0189, 6800 }, 165 { 0x0181, 6900 }, { 0x0179, 7000 }, { 0x0171, 7100 }, 166 { 0x0169, 7200 }, { 0x0161, 7300 }, { 0x015a, 7400 }, 167 { 0x0153, 7500 }, { 0x014b, 7600 }, { 0x0144, 7700 }, 168 { 0x013d, 7800 }, { 0x0137, 7900 }, { 0x0130, 8000 }, 169 { 0x012a, 8100 }, { 0x0124, 8200 }, { 0x011e, 8300 }, 170 { 0x0118, 8400 }, { 0x0112, 8500 }, { 0x010c, 8600 }, 171 { 0x0107, 8700 }, { 0x0101, 8800 }, { 0x00fc, 8900 }, 172 { 0x00f7, 9000 }, { 0x00f2, 9100 }, { 0x00ec, 9200 }, 173 { 0x00e7, 9300 }, { 0x00e2, 9400 }, { 0x00dd, 9500 }, 174 { 0x00d8, 9600 }, { 0x00d4, 9700 }, { 0x00cf, 9800 }, 175 { 0x00ca, 9900 }, { 0x00c6, 10000 }, { 0x00c2, 10100 }, 176 { 0x00be, 10200 }, { 0x00b9, 10300 }, { 0x00b5, 10400 }, 177 { 0x00b1, 10500 }, { 0x00ae, 10600 }, { 0x00aa, 10700 }, 178 { 0x00a6, 10800 }, { 0x00a3, 10900 }, { 0x009f, 11000 }, 179 { 0x009b, 11100 }, { 0x0098, 11200 }, { 0x0095, 11300 }, 180 { 0x0091, 11400 }, { 0x008e, 11500 }, { 0x008b, 11600 }, 181 { 0x0088, 11700 }, { 0x0085, 11800 }, { 0x0082, 11900 }, 182 { 0x007f, 12000 }, { 0x007c, 12100 }, { 0x007a, 12200 }, 183 { 0x0077, 12300 }, { 0x0074, 12400 }, { 0x0072, 12500 }, 184 { 0x006f, 12600 }, { 0x006d, 12700 }, { 0x006b, 12800 }, 185 { 0x0068, 12900 }, { 0x0066, 13000 }, { 0x0064, 13100 }, 186 { 0x0061, 13200 }, { 0x005f, 13300 }, { 0x005d, 13400 }, 187 { 0x005b, 13500 }, { 0x0059, 13600 }, { 0x0057, 13700 }, 188 { 0x0055, 13800 }, { 0x0053, 13900 }, { 0x0051, 14000 }, 189 { 0x004f, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 }, 190 { 0x004a, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 }, 191 { 0x0045, 14700 }, { 0x0044, 14800 }, { 0x0042, 14900 }, 192 { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 }, 193 { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 }, 194 { 0x0038, 15600 }, { 0x0037, 15700 }, { 0x0036, 15800 }, 195 { 0x0034, 15900 }, { 0x0033, 16000 }, { 0x0032, 16100 }, 196 { 0x0031, 16200 }, { 0x0030, 16300 }, { 0x002f, 16400 }, 197 { 0x002e, 16500 }, { 0x002d, 16600 }, { 0x002c, 16700 }, 198 { 0x002b, 16800 }, { 0x002a, 16900 }, { 0x0029, 17000 }, 199 { 0x0028, 17100 }, { 0x0027, 17200 }, { 0x0026, 17300 }, 200 { 0x0025, 17400 }, { 0x0024, 17500 }, { 0x0023, 17600 }, 201 { 0x0022, 17800 }, { 0x0021, 17900 }, { 0x0020, 18000 }, 202 { 0x001f, 18200 }, { 0x001e, 18300 }, { 0x001d, 18500 }, 203 { 0x001c, 18700 }, { 0x001b, 18900 }, { 0x001a, 19000 }, 204 { 0x0019, 19200 }, { 0x0018, 19300 }, { 0x0017, 19500 }, 205 { 0x0016, 19700 }, { 0x0015, 19900 }, { 0x0014, 20000 }, 206 }; 207 208 static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv); 209 static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv); 210 211 static void cxd2841er_i2c_debug(struct cxd2841er_priv *priv, 212 u8 addr, u8 reg, u8 write, 213 const u8 *data, u32 len) 214 { 215 dev_dbg(&priv->i2c->dev, 216 "cxd2841er: I2C %s addr %02x reg 0x%02x size %d data %*ph\n", 217 (write == 0 ? "read" : "write"), addr, reg, len, len, data); 218 } 219 220 static int cxd2841er_write_regs(struct cxd2841er_priv *priv, 221 u8 addr, u8 reg, const u8 *data, u32 len) 222 { 223 int ret; 224 u8 buf[MAX_WRITE_REGSIZE + 1]; 225 u8 i2c_addr = (addr == I2C_SLVX ? 226 priv->i2c_addr_slvx : priv->i2c_addr_slvt); 227 struct i2c_msg msg[1] = { 228 { 229 .addr = i2c_addr, 230 .flags = 0, 231 .len = len + 1, 232 .buf = buf, 233 } 234 }; 235 236 if (len + 1 >= sizeof(buf)) { 237 dev_warn(&priv->i2c->dev, "wr reg=%04x: len=%d is too big!\n", 238 reg, len + 1); 239 return -E2BIG; 240 } 241 242 cxd2841er_i2c_debug(priv, i2c_addr, reg, 1, data, len); 243 buf[0] = reg; 244 memcpy(&buf[1], data, len); 245 246 ret = i2c_transfer(priv->i2c, msg, 1); 247 if (ret >= 0 && ret != 1) 248 ret = -EIO; 249 if (ret < 0) { 250 dev_warn(&priv->i2c->dev, 251 "%s: i2c wr failed=%d addr=%02x reg=%02x len=%d\n", 252 KBUILD_MODNAME, ret, i2c_addr, reg, len); 253 return ret; 254 } 255 return 0; 256 } 257 258 static int cxd2841er_write_reg(struct cxd2841er_priv *priv, 259 u8 addr, u8 reg, u8 val) 260 { 261 u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ 262 263 return cxd2841er_write_regs(priv, addr, reg, &tmp, 1); 264 } 265 266 static int cxd2841er_read_regs(struct cxd2841er_priv *priv, 267 u8 addr, u8 reg, u8 *val, u32 len) 268 { 269 int ret; 270 u8 i2c_addr = (addr == I2C_SLVX ? 271 priv->i2c_addr_slvx : priv->i2c_addr_slvt); 272 struct i2c_msg msg[2] = { 273 { 274 .addr = i2c_addr, 275 .flags = 0, 276 .len = 1, 277 .buf = ®, 278 }, { 279 .addr = i2c_addr, 280 .flags = I2C_M_RD, 281 .len = len, 282 .buf = val, 283 } 284 }; 285 286 ret = i2c_transfer(priv->i2c, msg, 2); 287 if (ret >= 0 && ret != 2) 288 ret = -EIO; 289 if (ret < 0) { 290 dev_warn(&priv->i2c->dev, 291 "%s: i2c rd failed=%d addr=%02x reg=%02x\n", 292 KBUILD_MODNAME, ret, i2c_addr, reg); 293 return ret; 294 } 295 cxd2841er_i2c_debug(priv, i2c_addr, reg, 0, val, len); 296 return 0; 297 } 298 299 static int cxd2841er_read_reg(struct cxd2841er_priv *priv, 300 u8 addr, u8 reg, u8 *val) 301 { 302 return cxd2841er_read_regs(priv, addr, reg, val, 1); 303 } 304 305 static int cxd2841er_set_reg_bits(struct cxd2841er_priv *priv, 306 u8 addr, u8 reg, u8 data, u8 mask) 307 { 308 int res; 309 u8 rdata; 310 311 if (mask != 0xff) { 312 res = cxd2841er_read_reg(priv, addr, reg, &rdata); 313 if (res) 314 return res; 315 data = ((data & mask) | (rdata & (mask ^ 0xFF))); 316 } 317 return cxd2841er_write_reg(priv, addr, reg, data); 318 } 319 320 static u32 cxd2841er_calc_iffreq_xtal(enum cxd2841er_xtal xtal, u32 ifhz) 321 { 322 u64 tmp; 323 324 tmp = (u64) ifhz * 16777216; 325 do_div(tmp, ((xtal == SONY_XTAL_24000) ? 48000000 : 41000000)); 326 327 return (u32) tmp; 328 } 329 330 static u32 cxd2841er_calc_iffreq(u32 ifhz) 331 { 332 return cxd2841er_calc_iffreq_xtal(SONY_XTAL_20500, ifhz); 333 } 334 335 static int cxd2841er_get_if_hz(struct cxd2841er_priv *priv, u32 def_hz) 336 { 337 u32 hz; 338 339 if (priv->frontend.ops.tuner_ops.get_if_frequency 340 && (priv->flags & CXD2841ER_AUTO_IFHZ)) 341 priv->frontend.ops.tuner_ops.get_if_frequency( 342 &priv->frontend, &hz); 343 else 344 hz = def_hz; 345 346 return hz; 347 } 348 349 static int cxd2841er_tuner_set(struct dvb_frontend *fe) 350 { 351 struct cxd2841er_priv *priv = fe->demodulator_priv; 352 353 if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl) 354 fe->ops.i2c_gate_ctrl(fe, 1); 355 if (fe->ops.tuner_ops.set_params) 356 fe->ops.tuner_ops.set_params(fe); 357 if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl) 358 fe->ops.i2c_gate_ctrl(fe, 0); 359 360 return 0; 361 } 362 363 static int cxd2841er_dvbs2_set_symbol_rate(struct cxd2841er_priv *priv, 364 u32 symbol_rate) 365 { 366 u32 reg_value = 0; 367 u8 data[3] = {0, 0, 0}; 368 369 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 370 /* 371 * regValue = (symbolRateKSps * 2^14 / 1000) + 0.5 372 * = ((symbolRateKSps * 2^14) + 500) / 1000 373 * = ((symbolRateKSps * 16384) + 500) / 1000 374 */ 375 reg_value = DIV_ROUND_CLOSEST(symbol_rate * 16384, 1000); 376 if ((reg_value == 0) || (reg_value > 0xFFFFF)) { 377 dev_err(&priv->i2c->dev, 378 "%s(): reg_value is out of range\n", __func__); 379 return -EINVAL; 380 } 381 data[0] = (u8)((reg_value >> 16) & 0x0F); 382 data[1] = (u8)((reg_value >> 8) & 0xFF); 383 data[2] = (u8)(reg_value & 0xFF); 384 /* Set SLV-T Bank : 0xAE */ 385 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); 386 cxd2841er_write_regs(priv, I2C_SLVT, 0x20, data, 3); 387 return 0; 388 } 389 390 static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv, 391 u8 system); 392 393 static int cxd2841er_sleep_s_to_active_s(struct cxd2841er_priv *priv, 394 u8 system, u32 symbol_rate) 395 { 396 int ret; 397 u8 data[4] = { 0, 0, 0, 0 }; 398 399 if (priv->state != STATE_SLEEP_S) { 400 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 401 __func__, (int)priv->state); 402 return -EINVAL; 403 } 404 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 405 cxd2841er_set_ts_clock_mode(priv, SYS_DVBS); 406 /* Set demod mode */ 407 if (system == SYS_DVBS) { 408 data[0] = 0x0A; 409 } else if (system == SYS_DVBS2) { 410 data[0] = 0x0B; 411 } else { 412 dev_err(&priv->i2c->dev, "%s(): invalid delsys %d\n", 413 __func__, system); 414 return -EINVAL; 415 } 416 /* Set SLV-X Bank : 0x00 */ 417 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 418 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, data[0]); 419 /* DVB-S/S2 */ 420 data[0] = 0x00; 421 /* Set SLV-T Bank : 0x00 */ 422 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 423 /* Enable S/S2 auto detection 1 */ 424 cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, data[0]); 425 /* Set SLV-T Bank : 0xAE */ 426 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); 427 /* Enable S/S2 auto detection 2 */ 428 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, data[0]); 429 /* Set SLV-T Bank : 0x00 */ 430 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 431 /* Enable demod clock */ 432 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 433 /* Enable ADC clock */ 434 cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x01); 435 /* Enable ADC 1 */ 436 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 437 /* Enable ADC 2 */ 438 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x3f); 439 /* Set SLV-X Bank : 0x00 */ 440 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 441 /* Enable ADC 3 */ 442 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 443 /* Set SLV-T Bank : 0xA3 */ 444 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa3); 445 cxd2841er_write_reg(priv, I2C_SLVT, 0xac, 0x00); 446 data[0] = 0x07; 447 data[1] = 0x3B; 448 data[2] = 0x08; 449 data[3] = 0xC5; 450 /* Set SLV-T Bank : 0xAB */ 451 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xab); 452 cxd2841er_write_regs(priv, I2C_SLVT, 0x98, data, 4); 453 data[0] = 0x05; 454 data[1] = 0x80; 455 data[2] = 0x0A; 456 data[3] = 0x80; 457 cxd2841er_write_regs(priv, I2C_SLVT, 0xa8, data, 4); 458 data[0] = 0x0C; 459 data[1] = 0xCC; 460 cxd2841er_write_regs(priv, I2C_SLVT, 0xc3, data, 2); 461 /* Set demod parameter */ 462 ret = cxd2841er_dvbs2_set_symbol_rate(priv, symbol_rate); 463 if (ret != 0) 464 return ret; 465 /* Set SLV-T Bank : 0x00 */ 466 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 467 /* disable Hi-Z setting 1 */ 468 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x10); 469 /* disable Hi-Z setting 2 */ 470 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 471 priv->state = STATE_ACTIVE_S; 472 return 0; 473 } 474 475 static int cxd2841er_sleep_tc_to_active_t_band(struct cxd2841er_priv *priv, 476 u32 bandwidth); 477 478 static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv, 479 u32 bandwidth); 480 481 static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv, 482 u32 bandwidth); 483 484 static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv, 485 u32 bandwidth); 486 487 static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv); 488 489 static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv); 490 491 static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv); 492 493 static int cxd2841er_sleep_tc(struct dvb_frontend *fe); 494 495 static int cxd2841er_retune_active(struct cxd2841er_priv *priv, 496 struct dtv_frontend_properties *p) 497 { 498 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 499 if (priv->state != STATE_ACTIVE_S && 500 priv->state != STATE_ACTIVE_TC) { 501 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 502 __func__, priv->state); 503 return -EINVAL; 504 } 505 /* Set SLV-T Bank : 0x00 */ 506 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 507 /* disable TS output */ 508 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 509 if (priv->state == STATE_ACTIVE_S) 510 return cxd2841er_dvbs2_set_symbol_rate( 511 priv, p->symbol_rate / 1000); 512 else if (priv->state == STATE_ACTIVE_TC) { 513 switch (priv->system) { 514 case SYS_DVBT: 515 return cxd2841er_sleep_tc_to_active_t_band( 516 priv, p->bandwidth_hz); 517 case SYS_DVBT2: 518 return cxd2841er_sleep_tc_to_active_t2_band( 519 priv, p->bandwidth_hz); 520 case SYS_DVBC_ANNEX_A: 521 return cxd2841er_sleep_tc_to_active_c_band( 522 priv, p->bandwidth_hz); 523 case SYS_ISDBT: 524 cxd2841er_active_i_to_sleep_tc(priv); 525 cxd2841er_sleep_tc_to_shutdown(priv); 526 cxd2841er_shutdown_to_sleep_tc(priv); 527 return cxd2841er_sleep_tc_to_active_i( 528 priv, p->bandwidth_hz); 529 } 530 } 531 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 532 __func__, priv->system); 533 return -EINVAL; 534 } 535 536 static int cxd2841er_active_s_to_sleep_s(struct cxd2841er_priv *priv) 537 { 538 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 539 if (priv->state != STATE_ACTIVE_S) { 540 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 541 __func__, priv->state); 542 return -EINVAL; 543 } 544 /* Set SLV-T Bank : 0x00 */ 545 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 546 /* disable TS output */ 547 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 548 /* enable Hi-Z setting 1 */ 549 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1f); 550 /* enable Hi-Z setting 2 */ 551 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 552 /* Set SLV-X Bank : 0x00 */ 553 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 554 /* disable ADC 1 */ 555 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 556 /* Set SLV-T Bank : 0x00 */ 557 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 558 /* disable ADC clock */ 559 cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x00); 560 /* disable ADC 2 */ 561 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 562 /* disable ADC 3 */ 563 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); 564 /* SADC Bias ON */ 565 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); 566 /* disable demod clock */ 567 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 568 /* Set SLV-T Bank : 0xAE */ 569 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); 570 /* disable S/S2 auto detection1 */ 571 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 572 /* Set SLV-T Bank : 0x00 */ 573 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 574 /* disable S/S2 auto detection2 */ 575 cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, 0x00); 576 priv->state = STATE_SLEEP_S; 577 return 0; 578 } 579 580 static int cxd2841er_sleep_s_to_shutdown(struct cxd2841er_priv *priv) 581 { 582 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 583 if (priv->state != STATE_SLEEP_S) { 584 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 585 __func__, priv->state); 586 return -EINVAL; 587 } 588 /* Set SLV-T Bank : 0x00 */ 589 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 590 /* Disable DSQOUT */ 591 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 592 /* Disable DSQIN */ 593 cxd2841er_write_reg(priv, I2C_SLVT, 0x9c, 0x00); 594 /* Set SLV-X Bank : 0x00 */ 595 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 596 /* Disable oscillator */ 597 cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01); 598 /* Set demod mode */ 599 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); 600 priv->state = STATE_SHUTDOWN; 601 return 0; 602 } 603 604 static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv) 605 { 606 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 607 if (priv->state != STATE_SLEEP_TC) { 608 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 609 __func__, priv->state); 610 return -EINVAL; 611 } 612 /* Set SLV-X Bank : 0x00 */ 613 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 614 /* Disable oscillator */ 615 cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01); 616 /* Set demod mode */ 617 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); 618 priv->state = STATE_SHUTDOWN; 619 return 0; 620 } 621 622 static int cxd2841er_active_t_to_sleep_tc(struct cxd2841er_priv *priv) 623 { 624 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 625 if (priv->state != STATE_ACTIVE_TC) { 626 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 627 __func__, priv->state); 628 return -EINVAL; 629 } 630 /* Set SLV-T Bank : 0x00 */ 631 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 632 /* disable TS output */ 633 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 634 /* enable Hi-Z setting 1 */ 635 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 636 /* enable Hi-Z setting 2 */ 637 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 638 /* Set SLV-X Bank : 0x00 */ 639 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 640 /* disable ADC 1 */ 641 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 642 /* Set SLV-T Bank : 0x00 */ 643 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 644 /* Disable ADC 2 */ 645 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 646 /* Disable ADC 3 */ 647 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 648 /* Disable ADC clock */ 649 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 650 /* Disable RF level monitor */ 651 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 652 /* Disable demod clock */ 653 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 654 priv->state = STATE_SLEEP_TC; 655 return 0; 656 } 657 658 static int cxd2841er_active_t2_to_sleep_tc(struct cxd2841er_priv *priv) 659 { 660 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 661 if (priv->state != STATE_ACTIVE_TC) { 662 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 663 __func__, priv->state); 664 return -EINVAL; 665 } 666 /* Set SLV-T Bank : 0x00 */ 667 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 668 /* disable TS output */ 669 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 670 /* enable Hi-Z setting 1 */ 671 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 672 /* enable Hi-Z setting 2 */ 673 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 674 /* Cancel DVB-T2 setting */ 675 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); 676 cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x40); 677 cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x21); 678 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f); 679 cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xfb); 680 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a); 681 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x00, 0x0f); 682 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 683 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x00, 0x3f); 684 /* Set SLV-X Bank : 0x00 */ 685 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 686 /* disable ADC 1 */ 687 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 688 /* Set SLV-T Bank : 0x00 */ 689 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 690 /* Disable ADC 2 */ 691 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 692 /* Disable ADC 3 */ 693 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 694 /* Disable ADC clock */ 695 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 696 /* Disable RF level monitor */ 697 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 698 /* Disable demod clock */ 699 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 700 priv->state = STATE_SLEEP_TC; 701 return 0; 702 } 703 704 static int cxd2841er_active_c_to_sleep_tc(struct cxd2841er_priv *priv) 705 { 706 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 707 if (priv->state != STATE_ACTIVE_TC) { 708 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 709 __func__, priv->state); 710 return -EINVAL; 711 } 712 /* Set SLV-T Bank : 0x00 */ 713 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 714 /* disable TS output */ 715 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 716 /* enable Hi-Z setting 1 */ 717 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 718 /* enable Hi-Z setting 2 */ 719 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 720 /* Cancel DVB-C setting */ 721 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 722 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa3, 0x00, 0x1f); 723 /* Set SLV-X Bank : 0x00 */ 724 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 725 /* disable ADC 1 */ 726 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 727 /* Set SLV-T Bank : 0x00 */ 728 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 729 /* Disable ADC 2 */ 730 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 731 /* Disable ADC 3 */ 732 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 733 /* Disable ADC clock */ 734 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 735 /* Disable RF level monitor */ 736 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 737 /* Disable demod clock */ 738 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 739 priv->state = STATE_SLEEP_TC; 740 return 0; 741 } 742 743 static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv) 744 { 745 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 746 if (priv->state != STATE_ACTIVE_TC) { 747 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 748 __func__, priv->state); 749 return -EINVAL; 750 } 751 /* Set SLV-T Bank : 0x00 */ 752 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 753 /* disable TS output */ 754 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 755 /* enable Hi-Z setting 1 */ 756 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 757 /* enable Hi-Z setting 2 */ 758 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 759 760 /* TODO: Cancel demod parameter */ 761 762 /* Set SLV-X Bank : 0x00 */ 763 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 764 /* disable ADC 1 */ 765 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 766 /* Set SLV-T Bank : 0x00 */ 767 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 768 /* Disable ADC 2 */ 769 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 770 /* Disable ADC 3 */ 771 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 772 /* Disable ADC clock */ 773 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 774 /* Disable RF level monitor */ 775 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 776 /* Disable demod clock */ 777 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 778 priv->state = STATE_SLEEP_TC; 779 return 0; 780 } 781 782 static int cxd2841er_shutdown_to_sleep_s(struct cxd2841er_priv *priv) 783 { 784 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 785 if (priv->state != STATE_SHUTDOWN) { 786 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 787 __func__, priv->state); 788 return -EINVAL; 789 } 790 /* Set SLV-X Bank : 0x00 */ 791 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 792 /* Clear all demodulator registers */ 793 cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00); 794 usleep_range(3000, 5000); 795 /* Set SLV-X Bank : 0x00 */ 796 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 797 /* Set demod SW reset */ 798 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01); 799 800 switch (priv->xtal) { 801 case SONY_XTAL_20500: 802 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x00); 803 break; 804 case SONY_XTAL_24000: 805 /* Select demod frequency */ 806 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00); 807 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x03); 808 break; 809 case SONY_XTAL_41000: 810 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x01); 811 break; 812 default: 813 dev_dbg(&priv->i2c->dev, "%s(): invalid demod xtal %d\n", 814 __func__, priv->xtal); 815 return -EINVAL; 816 } 817 818 /* Set demod mode */ 819 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x0a); 820 /* Clear demod SW reset */ 821 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00); 822 usleep_range(1000, 2000); 823 /* Set SLV-T Bank : 0x00 */ 824 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 825 /* enable DSQOUT */ 826 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1F); 827 /* enable DSQIN */ 828 cxd2841er_write_reg(priv, I2C_SLVT, 0x9C, 0x40); 829 /* TADC Bias On */ 830 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 831 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 832 /* SADC Bias On */ 833 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 834 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); 835 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); 836 priv->state = STATE_SLEEP_S; 837 return 0; 838 } 839 840 static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv) 841 { 842 u8 data = 0; 843 844 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 845 if (priv->state != STATE_SHUTDOWN) { 846 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 847 __func__, priv->state); 848 return -EINVAL; 849 } 850 /* Set SLV-X Bank : 0x00 */ 851 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 852 /* Clear all demodulator registers */ 853 cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00); 854 usleep_range(3000, 5000); 855 /* Set SLV-X Bank : 0x00 */ 856 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 857 /* Set demod SW reset */ 858 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01); 859 /* Select ADC clock mode */ 860 cxd2841er_write_reg(priv, I2C_SLVX, 0x13, 0x00); 861 862 switch (priv->xtal) { 863 case SONY_XTAL_20500: 864 data = 0x0; 865 break; 866 case SONY_XTAL_24000: 867 /* Select demod frequency */ 868 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00); 869 data = 0x3; 870 break; 871 case SONY_XTAL_41000: 872 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00); 873 data = 0x1; 874 break; 875 } 876 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, data); 877 /* Clear demod SW reset */ 878 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00); 879 usleep_range(1000, 2000); 880 /* Set SLV-T Bank : 0x00 */ 881 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 882 /* TADC Bias On */ 883 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 884 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 885 /* SADC Bias On */ 886 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 887 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); 888 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); 889 priv->state = STATE_SLEEP_TC; 890 return 0; 891 } 892 893 static int cxd2841er_tune_done(struct cxd2841er_priv *priv) 894 { 895 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 896 /* Set SLV-T Bank : 0x00 */ 897 cxd2841er_write_reg(priv, I2C_SLVT, 0, 0); 898 /* SW Reset */ 899 cxd2841er_write_reg(priv, I2C_SLVT, 0xfe, 0x01); 900 /* Enable TS output */ 901 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x00); 902 return 0; 903 } 904 905 /* Set TS parallel mode */ 906 static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv, 907 u8 system) 908 { 909 u8 serial_ts, ts_rate_ctrl_off, ts_in_off; 910 911 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 912 /* Set SLV-T Bank : 0x00 */ 913 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 914 cxd2841er_read_reg(priv, I2C_SLVT, 0xc4, &serial_ts); 915 cxd2841er_read_reg(priv, I2C_SLVT, 0xd3, &ts_rate_ctrl_off); 916 cxd2841er_read_reg(priv, I2C_SLVT, 0xde, &ts_in_off); 917 dev_dbg(&priv->i2c->dev, "%s(): ser_ts=0x%02x rate_ctrl_off=0x%02x in_off=0x%02x\n", 918 __func__, serial_ts, ts_rate_ctrl_off, ts_in_off); 919 920 /* 921 * slave Bank Addr Bit default Name 922 * <SLV-T> 00h C4h [1:0] 2'b?? OSERCKMODE 923 */ 924 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 925 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03); 926 /* 927 * slave Bank Addr Bit default Name 928 * <SLV-T> 00h D1h [1:0] 2'b?? OSERDUTYMODE 929 */ 930 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd1, 931 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03); 932 /* 933 * slave Bank Addr Bit default Name 934 * <SLV-T> 00h D9h [7:0] 8'h08 OTSCKPERIOD 935 */ 936 cxd2841er_write_reg(priv, I2C_SLVT, 0xd9, 0x08); 937 /* 938 * Disable TS IF Clock 939 * slave Bank Addr Bit default Name 940 * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN 941 */ 942 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x00, 0x01); 943 /* 944 * slave Bank Addr Bit default Name 945 * <SLV-T> 00h 33h [1:0] 2'b01 OREG_CKSEL_TSIF 946 */ 947 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x33, 948 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03); 949 /* 950 * Enable TS IF Clock 951 * slave Bank Addr Bit default Name 952 * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN 953 */ 954 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x01, 0x01); 955 956 if (system == SYS_DVBT) { 957 /* Enable parity period for DVB-T */ 958 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 959 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01); 960 } else if (system == SYS_DVBC_ANNEX_A) { 961 /* Enable parity period for DVB-C */ 962 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 963 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01); 964 } 965 } 966 967 static u8 cxd2841er_chip_id(struct cxd2841er_priv *priv) 968 { 969 u8 chip_id = 0; 970 971 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 972 if (cxd2841er_write_reg(priv, I2C_SLVT, 0, 0) == 0) 973 cxd2841er_read_reg(priv, I2C_SLVT, 0xfd, &chip_id); 974 else if (cxd2841er_write_reg(priv, I2C_SLVX, 0, 0) == 0) 975 cxd2841er_read_reg(priv, I2C_SLVX, 0xfd, &chip_id); 976 977 return chip_id; 978 } 979 980 static int cxd2841er_read_status_s(struct dvb_frontend *fe, 981 enum fe_status *status) 982 { 983 u8 reg = 0; 984 struct cxd2841er_priv *priv = fe->demodulator_priv; 985 986 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 987 *status = 0; 988 if (priv->state != STATE_ACTIVE_S) { 989 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 990 __func__, priv->state); 991 return -EINVAL; 992 } 993 /* Set SLV-T Bank : 0xA0 */ 994 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 995 /* 996 * slave Bank Addr Bit Signal name 997 * <SLV-T> A0h 11h [2] ITSLOCK 998 */ 999 cxd2841er_read_reg(priv, I2C_SLVT, 0x11, ®); 1000 if (reg & 0x04) { 1001 *status = FE_HAS_SIGNAL 1002 | FE_HAS_CARRIER 1003 | FE_HAS_VITERBI 1004 | FE_HAS_SYNC 1005 | FE_HAS_LOCK; 1006 } 1007 dev_dbg(&priv->i2c->dev, "%s(): result 0x%x\n", __func__, *status); 1008 return 0; 1009 } 1010 1011 static int cxd2841er_read_status_t_t2(struct cxd2841er_priv *priv, 1012 u8 *sync, u8 *tslock, u8 *unlock) 1013 { 1014 u8 data = 0; 1015 1016 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1017 if (priv->state != STATE_ACTIVE_TC) 1018 return -EINVAL; 1019 if (priv->system == SYS_DVBT) { 1020 /* Set SLV-T Bank : 0x10 */ 1021 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1022 } else { 1023 /* Set SLV-T Bank : 0x20 */ 1024 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1025 } 1026 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); 1027 if ((data & 0x07) == 0x07) { 1028 dev_dbg(&priv->i2c->dev, 1029 "%s(): invalid hardware state detected\n", __func__); 1030 *sync = 0; 1031 *tslock = 0; 1032 *unlock = 0; 1033 } else { 1034 *sync = ((data & 0x07) == 0x6 ? 1 : 0); 1035 *tslock = ((data & 0x20) ? 1 : 0); 1036 *unlock = ((data & 0x10) ? 1 : 0); 1037 } 1038 return 0; 1039 } 1040 1041 static int cxd2841er_read_status_c(struct cxd2841er_priv *priv, u8 *tslock) 1042 { 1043 u8 data; 1044 1045 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1046 if (priv->state != STATE_ACTIVE_TC) 1047 return -EINVAL; 1048 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1049 cxd2841er_read_reg(priv, I2C_SLVT, 0x88, &data); 1050 if ((data & 0x01) == 0) { 1051 *tslock = 0; 1052 } else { 1053 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); 1054 *tslock = ((data & 0x20) ? 1 : 0); 1055 } 1056 return 0; 1057 } 1058 1059 static int cxd2841er_read_status_i(struct cxd2841er_priv *priv, 1060 u8 *sync, u8 *tslock, u8 *unlock) 1061 { 1062 u8 data = 0; 1063 1064 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1065 if (priv->state != STATE_ACTIVE_TC) 1066 return -EINVAL; 1067 /* Set SLV-T Bank : 0x60 */ 1068 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1069 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); 1070 dev_dbg(&priv->i2c->dev, 1071 "%s(): lock=0x%x\n", __func__, data); 1072 *sync = ((data & 0x02) ? 1 : 0); 1073 *tslock = ((data & 0x01) ? 1 : 0); 1074 *unlock = ((data & 0x10) ? 1 : 0); 1075 return 0; 1076 } 1077 1078 static int cxd2841er_read_status_tc(struct dvb_frontend *fe, 1079 enum fe_status *status) 1080 { 1081 int ret = 0; 1082 u8 sync = 0; 1083 u8 tslock = 0; 1084 u8 unlock = 0; 1085 struct cxd2841er_priv *priv = fe->demodulator_priv; 1086 1087 *status = 0; 1088 if (priv->state == STATE_ACTIVE_TC) { 1089 if (priv->system == SYS_DVBT || priv->system == SYS_DVBT2) { 1090 ret = cxd2841er_read_status_t_t2( 1091 priv, &sync, &tslock, &unlock); 1092 if (ret) 1093 goto done; 1094 if (unlock) 1095 goto done; 1096 if (sync) 1097 *status = FE_HAS_SIGNAL | 1098 FE_HAS_CARRIER | 1099 FE_HAS_VITERBI | 1100 FE_HAS_SYNC; 1101 if (tslock) 1102 *status |= FE_HAS_LOCK; 1103 } else if (priv->system == SYS_ISDBT) { 1104 ret = cxd2841er_read_status_i( 1105 priv, &sync, &tslock, &unlock); 1106 if (ret) 1107 goto done; 1108 if (unlock) 1109 goto done; 1110 if (sync) 1111 *status = FE_HAS_SIGNAL | 1112 FE_HAS_CARRIER | 1113 FE_HAS_VITERBI | 1114 FE_HAS_SYNC; 1115 if (tslock) 1116 *status |= FE_HAS_LOCK; 1117 } else if (priv->system == SYS_DVBC_ANNEX_A) { 1118 ret = cxd2841er_read_status_c(priv, &tslock); 1119 if (ret) 1120 goto done; 1121 if (tslock) 1122 *status = FE_HAS_SIGNAL | 1123 FE_HAS_CARRIER | 1124 FE_HAS_VITERBI | 1125 FE_HAS_SYNC | 1126 FE_HAS_LOCK; 1127 } 1128 } 1129 done: 1130 dev_dbg(&priv->i2c->dev, "%s(): status 0x%x\n", __func__, *status); 1131 return ret; 1132 } 1133 1134 static int cxd2841er_get_carrier_offset_s_s2(struct cxd2841er_priv *priv, 1135 int *offset) 1136 { 1137 u8 data[3]; 1138 u8 is_hs_mode; 1139 s32 cfrl_ctrlval; 1140 s32 temp_div, temp_q, temp_r; 1141 1142 if (priv->state != STATE_ACTIVE_S) { 1143 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1144 __func__, priv->state); 1145 return -EINVAL; 1146 } 1147 /* 1148 * Get High Sampling Rate mode 1149 * slave Bank Addr Bit Signal name 1150 * <SLV-T> A0h 10h [0] ITRL_LOCK 1151 */ 1152 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1153 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data[0]); 1154 if (data[0] & 0x01) { 1155 /* 1156 * slave Bank Addr Bit Signal name 1157 * <SLV-T> A0h 50h [4] IHSMODE 1158 */ 1159 cxd2841er_read_reg(priv, I2C_SLVT, 0x50, &data[0]); 1160 is_hs_mode = (data[0] & 0x10 ? 1 : 0); 1161 } else { 1162 dev_dbg(&priv->i2c->dev, 1163 "%s(): unable to detect sampling rate mode\n", 1164 __func__); 1165 return -EINVAL; 1166 } 1167 /* 1168 * slave Bank Addr Bit Signal name 1169 * <SLV-T> A0h 45h [4:0] ICFRL_CTRLVAL[20:16] 1170 * <SLV-T> A0h 46h [7:0] ICFRL_CTRLVAL[15:8] 1171 * <SLV-T> A0h 47h [7:0] ICFRL_CTRLVAL[7:0] 1172 */ 1173 cxd2841er_read_regs(priv, I2C_SLVT, 0x45, data, 3); 1174 cfrl_ctrlval = sign_extend32((((u32)data[0] & 0x1F) << 16) | 1175 (((u32)data[1] & 0xFF) << 8) | 1176 ((u32)data[2] & 0xFF), 20); 1177 temp_div = (is_hs_mode ? 1048576 : 1572864); 1178 if (cfrl_ctrlval > 0) { 1179 temp_q = div_s64_rem(97375LL * cfrl_ctrlval, 1180 temp_div, &temp_r); 1181 } else { 1182 temp_q = div_s64_rem(-97375LL * cfrl_ctrlval, 1183 temp_div, &temp_r); 1184 } 1185 if (temp_r >= temp_div / 2) 1186 temp_q++; 1187 if (cfrl_ctrlval > 0) 1188 temp_q *= -1; 1189 *offset = temp_q; 1190 return 0; 1191 } 1192 1193 static int cxd2841er_get_carrier_offset_i(struct cxd2841er_priv *priv, 1194 u32 bandwidth, int *offset) 1195 { 1196 u8 data[4]; 1197 1198 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1199 if (priv->state != STATE_ACTIVE_TC) { 1200 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1201 __func__, priv->state); 1202 return -EINVAL; 1203 } 1204 if (priv->system != SYS_ISDBT) { 1205 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1206 __func__, priv->system); 1207 return -EINVAL; 1208 } 1209 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1210 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); 1211 *offset = -1 * sign_extend32( 1212 ((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) | 1213 ((u32)data[2] << 8) | (u32)data[3], 29); 1214 1215 switch (bandwidth) { 1216 case 6000000: 1217 *offset = -1 * ((*offset) * 8/264); 1218 break; 1219 case 7000000: 1220 *offset = -1 * ((*offset) * 8/231); 1221 break; 1222 case 8000000: 1223 *offset = -1 * ((*offset) * 8/198); 1224 break; 1225 default: 1226 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", 1227 __func__, bandwidth); 1228 return -EINVAL; 1229 } 1230 1231 dev_dbg(&priv->i2c->dev, "%s(): bandwidth %d offset %d\n", 1232 __func__, bandwidth, *offset); 1233 1234 return 0; 1235 } 1236 1237 static int cxd2841er_get_carrier_offset_t(struct cxd2841er_priv *priv, 1238 u32 bandwidth, int *offset) 1239 { 1240 u8 data[4]; 1241 1242 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1243 if (priv->state != STATE_ACTIVE_TC) { 1244 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1245 __func__, priv->state); 1246 return -EINVAL; 1247 } 1248 if (priv->system != SYS_DVBT) { 1249 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1250 __func__, priv->system); 1251 return -EINVAL; 1252 } 1253 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1254 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); 1255 *offset = -1 * sign_extend32( 1256 ((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) | 1257 ((u32)data[2] << 8) | (u32)data[3], 29); 1258 *offset *= (bandwidth / 1000000); 1259 *offset /= 235; 1260 return 0; 1261 } 1262 1263 static int cxd2841er_get_carrier_offset_t2(struct cxd2841er_priv *priv, 1264 u32 bandwidth, int *offset) 1265 { 1266 u8 data[4]; 1267 1268 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1269 if (priv->state != STATE_ACTIVE_TC) { 1270 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1271 __func__, priv->state); 1272 return -EINVAL; 1273 } 1274 if (priv->system != SYS_DVBT2) { 1275 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1276 __func__, priv->system); 1277 return -EINVAL; 1278 } 1279 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1280 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); 1281 *offset = -1 * sign_extend32( 1282 ((u32)(data[0] & 0x0F) << 24) | ((u32)data[1] << 16) | 1283 ((u32)data[2] << 8) | (u32)data[3], 27); 1284 switch (bandwidth) { 1285 case 1712000: 1286 *offset /= 582; 1287 break; 1288 case 5000000: 1289 case 6000000: 1290 case 7000000: 1291 case 8000000: 1292 *offset *= (bandwidth / 1000000); 1293 *offset /= 940; 1294 break; 1295 default: 1296 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", 1297 __func__, bandwidth); 1298 return -EINVAL; 1299 } 1300 return 0; 1301 } 1302 1303 static int cxd2841er_get_carrier_offset_c(struct cxd2841er_priv *priv, 1304 int *offset) 1305 { 1306 u8 data[2]; 1307 1308 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1309 if (priv->state != STATE_ACTIVE_TC) { 1310 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1311 __func__, priv->state); 1312 return -EINVAL; 1313 } 1314 if (priv->system != SYS_DVBC_ANNEX_A) { 1315 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1316 __func__, priv->system); 1317 return -EINVAL; 1318 } 1319 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1320 cxd2841er_read_regs(priv, I2C_SLVT, 0x15, data, sizeof(data)); 1321 *offset = div_s64(41000LL * sign_extend32((((u32)data[0] & 0x3f) << 8) 1322 | (u32)data[1], 13), 16384); 1323 return 0; 1324 } 1325 1326 static int cxd2841er_read_packet_errors_c( 1327 struct cxd2841er_priv *priv, u32 *penum) 1328 { 1329 u8 data[3]; 1330 1331 *penum = 0; 1332 if (priv->state != STATE_ACTIVE_TC) { 1333 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1334 __func__, priv->state); 1335 return -EINVAL; 1336 } 1337 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1338 cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data)); 1339 if (data[2] & 0x01) 1340 *penum = ((u32)data[0] << 8) | (u32)data[1]; 1341 return 0; 1342 } 1343 1344 static int cxd2841er_read_packet_errors_t( 1345 struct cxd2841er_priv *priv, u32 *penum) 1346 { 1347 u8 data[3]; 1348 1349 *penum = 0; 1350 if (priv->state != STATE_ACTIVE_TC) { 1351 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1352 __func__, priv->state); 1353 return -EINVAL; 1354 } 1355 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1356 cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data)); 1357 if (data[2] & 0x01) 1358 *penum = ((u32)data[0] << 8) | (u32)data[1]; 1359 return 0; 1360 } 1361 1362 static int cxd2841er_read_packet_errors_t2( 1363 struct cxd2841er_priv *priv, u32 *penum) 1364 { 1365 u8 data[3]; 1366 1367 *penum = 0; 1368 if (priv->state != STATE_ACTIVE_TC) { 1369 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1370 __func__, priv->state); 1371 return -EINVAL; 1372 } 1373 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24); 1374 cxd2841er_read_regs(priv, I2C_SLVT, 0xfd, data, sizeof(data)); 1375 if (data[0] & 0x01) 1376 *penum = ((u32)data[1] << 8) | (u32)data[2]; 1377 return 0; 1378 } 1379 1380 static int cxd2841er_read_packet_errors_i( 1381 struct cxd2841er_priv *priv, u32 *penum) 1382 { 1383 u8 data[2]; 1384 1385 *penum = 0; 1386 if (priv->state != STATE_ACTIVE_TC) { 1387 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1388 __func__, priv->state); 1389 return -EINVAL; 1390 } 1391 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1392 cxd2841er_read_regs(priv, I2C_SLVT, 0xA1, data, 1); 1393 1394 if (!(data[0] & 0x01)) 1395 return 0; 1396 1397 /* Layer A */ 1398 cxd2841er_read_regs(priv, I2C_SLVT, 0xA2, data, sizeof(data)); 1399 *penum = ((u32)data[0] << 8) | (u32)data[1]; 1400 1401 /* Layer B */ 1402 cxd2841er_read_regs(priv, I2C_SLVT, 0xA4, data, sizeof(data)); 1403 *penum += ((u32)data[0] << 8) | (u32)data[1]; 1404 1405 /* Layer C */ 1406 cxd2841er_read_regs(priv, I2C_SLVT, 0xA6, data, sizeof(data)); 1407 *penum += ((u32)data[0] << 8) | (u32)data[1]; 1408 1409 return 0; 1410 } 1411 1412 static int cxd2841er_read_ber_c(struct cxd2841er_priv *priv, 1413 u32 *bit_error, u32 *bit_count) 1414 { 1415 u8 data[3]; 1416 u32 bit_err, period_exp; 1417 1418 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1419 if (priv->state != STATE_ACTIVE_TC) { 1420 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1421 __func__, priv->state); 1422 return -EINVAL; 1423 } 1424 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1425 cxd2841er_read_regs(priv, I2C_SLVT, 0x62, data, sizeof(data)); 1426 if (!(data[0] & 0x80)) { 1427 dev_dbg(&priv->i2c->dev, 1428 "%s(): no valid BER data\n", __func__); 1429 return -EINVAL; 1430 } 1431 bit_err = ((u32)(data[0] & 0x3f) << 16) | 1432 ((u32)data[1] << 8) | 1433 (u32)data[2]; 1434 cxd2841er_read_reg(priv, I2C_SLVT, 0x60, data); 1435 period_exp = data[0] & 0x1f; 1436 1437 if ((period_exp <= 11) && (bit_err > (1 << period_exp) * 204 * 8)) { 1438 dev_dbg(&priv->i2c->dev, 1439 "%s(): period_exp(%u) or bit_err(%u) not in range. no valid BER data\n", 1440 __func__, period_exp, bit_err); 1441 return -EINVAL; 1442 } 1443 1444 dev_dbg(&priv->i2c->dev, 1445 "%s(): period_exp(%u) or bit_err(%u) count=%d\n", 1446 __func__, period_exp, bit_err, 1447 ((1 << period_exp) * 204 * 8)); 1448 1449 *bit_error = bit_err; 1450 *bit_count = ((1 << period_exp) * 204 * 8); 1451 1452 return 0; 1453 } 1454 1455 static int cxd2841er_read_ber_i(struct cxd2841er_priv *priv, 1456 u32 *bit_error, u32 *bit_count) 1457 { 1458 u8 data[3]; 1459 u8 pktnum[2]; 1460 1461 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1462 if (priv->state != STATE_ACTIVE_TC) { 1463 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1464 __func__, priv->state); 1465 return -EINVAL; 1466 } 1467 1468 cxd2841er_freeze_regs(priv); 1469 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1470 cxd2841er_read_regs(priv, I2C_SLVT, 0x5B, pktnum, sizeof(pktnum)); 1471 cxd2841er_read_regs(priv, I2C_SLVT, 0x16, data, sizeof(data)); 1472 cxd2841er_unfreeze_regs(priv); 1473 1474 if (!pktnum[0] && !pktnum[1]) { 1475 dev_dbg(&priv->i2c->dev, 1476 "%s(): no valid BER data\n", __func__); 1477 return -EINVAL; 1478 } 1479 1480 *bit_error = ((u32)(data[0] & 0x7F) << 16) | 1481 ((u32)data[1] << 8) | data[2]; 1482 *bit_count = ((((u32)pktnum[0] << 8) | pktnum[1]) * 204 * 8); 1483 dev_dbg(&priv->i2c->dev, "%s(): bit_error=%u bit_count=%u\n", 1484 __func__, *bit_error, *bit_count); 1485 1486 return 0; 1487 } 1488 1489 static int cxd2841er_mon_read_ber_s(struct cxd2841er_priv *priv, 1490 u32 *bit_error, u32 *bit_count) 1491 { 1492 u8 data[11]; 1493 1494 /* Set SLV-T Bank : 0xA0 */ 1495 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1496 /* 1497 * slave Bank Addr Bit Signal name 1498 * <SLV-T> A0h 35h [0] IFVBER_VALID 1499 * <SLV-T> A0h 36h [5:0] IFVBER_BITERR[21:16] 1500 * <SLV-T> A0h 37h [7:0] IFVBER_BITERR[15:8] 1501 * <SLV-T> A0h 38h [7:0] IFVBER_BITERR[7:0] 1502 * <SLV-T> A0h 3Dh [5:0] IFVBER_BITNUM[21:16] 1503 * <SLV-T> A0h 3Eh [7:0] IFVBER_BITNUM[15:8] 1504 * <SLV-T> A0h 3Fh [7:0] IFVBER_BITNUM[7:0] 1505 */ 1506 cxd2841er_read_regs(priv, I2C_SLVT, 0x35, data, 11); 1507 if (data[0] & 0x01) { 1508 *bit_error = ((u32)(data[1] & 0x3F) << 16) | 1509 ((u32)(data[2] & 0xFF) << 8) | 1510 (u32)(data[3] & 0xFF); 1511 *bit_count = ((u32)(data[8] & 0x3F) << 16) | 1512 ((u32)(data[9] & 0xFF) << 8) | 1513 (u32)(data[10] & 0xFF); 1514 if ((*bit_count == 0) || (*bit_error > *bit_count)) { 1515 dev_dbg(&priv->i2c->dev, 1516 "%s(): invalid bit_error %d, bit_count %d\n", 1517 __func__, *bit_error, *bit_count); 1518 return -EINVAL; 1519 } 1520 return 0; 1521 } 1522 dev_dbg(&priv->i2c->dev, "%s(): no data available\n", __func__); 1523 return -EINVAL; 1524 } 1525 1526 1527 static int cxd2841er_mon_read_ber_s2(struct cxd2841er_priv *priv, 1528 u32 *bit_error, u32 *bit_count) 1529 { 1530 u8 data[5]; 1531 u32 period; 1532 1533 /* Set SLV-T Bank : 0xB2 */ 1534 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xb2); 1535 /* 1536 * slave Bank Addr Bit Signal name 1537 * <SLV-T> B2h 30h [0] IFLBER_VALID 1538 * <SLV-T> B2h 31h [3:0] IFLBER_BITERR[27:24] 1539 * <SLV-T> B2h 32h [7:0] IFLBER_BITERR[23:16] 1540 * <SLV-T> B2h 33h [7:0] IFLBER_BITERR[15:8] 1541 * <SLV-T> B2h 34h [7:0] IFLBER_BITERR[7:0] 1542 */ 1543 cxd2841er_read_regs(priv, I2C_SLVT, 0x30, data, 5); 1544 if (data[0] & 0x01) { 1545 /* Bit error count */ 1546 *bit_error = ((u32)(data[1] & 0x0F) << 24) | 1547 ((u32)(data[2] & 0xFF) << 16) | 1548 ((u32)(data[3] & 0xFF) << 8) | 1549 (u32)(data[4] & 0xFF); 1550 1551 /* Set SLV-T Bank : 0xA0 */ 1552 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1553 cxd2841er_read_reg(priv, I2C_SLVT, 0x7a, data); 1554 /* Measurement period */ 1555 period = (u32)(1 << (data[0] & 0x0F)); 1556 if (period == 0) { 1557 dev_dbg(&priv->i2c->dev, 1558 "%s(): period is 0\n", __func__); 1559 return -EINVAL; 1560 } 1561 if (*bit_error > (period * 64800)) { 1562 dev_dbg(&priv->i2c->dev, 1563 "%s(): invalid bit_err 0x%x period 0x%x\n", 1564 __func__, *bit_error, period); 1565 return -EINVAL; 1566 } 1567 *bit_count = period * 64800; 1568 1569 return 0; 1570 } else { 1571 dev_dbg(&priv->i2c->dev, 1572 "%s(): no data available\n", __func__); 1573 } 1574 return -EINVAL; 1575 } 1576 1577 static int cxd2841er_read_ber_t2(struct cxd2841er_priv *priv, 1578 u32 *bit_error, u32 *bit_count) 1579 { 1580 u8 data[4]; 1581 u32 period_exp, n_ldpc; 1582 1583 if (priv->state != STATE_ACTIVE_TC) { 1584 dev_dbg(&priv->i2c->dev, 1585 "%s(): invalid state %d\n", __func__, priv->state); 1586 return -EINVAL; 1587 } 1588 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1589 cxd2841er_read_regs(priv, I2C_SLVT, 0x39, data, sizeof(data)); 1590 if (!(data[0] & 0x10)) { 1591 dev_dbg(&priv->i2c->dev, 1592 "%s(): no valid BER data\n", __func__); 1593 return -EINVAL; 1594 } 1595 *bit_error = ((u32)(data[0] & 0x0f) << 24) | 1596 ((u32)data[1] << 16) | 1597 ((u32)data[2] << 8) | 1598 (u32)data[3]; 1599 cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data); 1600 period_exp = data[0] & 0x0f; 1601 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x22); 1602 cxd2841er_read_reg(priv, I2C_SLVT, 0x5e, data); 1603 n_ldpc = ((data[0] & 0x03) == 0 ? 16200 : 64800); 1604 if (*bit_error > ((1U << period_exp) * n_ldpc)) { 1605 dev_dbg(&priv->i2c->dev, 1606 "%s(): invalid BER value\n", __func__); 1607 return -EINVAL; 1608 } 1609 1610 /* 1611 * FIXME: the right thing would be to return bit_error untouched, 1612 * but, as we don't know the scale returned by the counters, let's 1613 * at least preserver BER = bit_error/bit_count. 1614 */ 1615 if (period_exp >= 4) { 1616 *bit_count = (1U << (period_exp - 4)) * (n_ldpc / 200); 1617 *bit_error *= 3125ULL; 1618 } else { 1619 *bit_count = (1U << period_exp) * (n_ldpc / 200); 1620 *bit_error *= 50000ULL; 1621 } 1622 return 0; 1623 } 1624 1625 static int cxd2841er_read_ber_t(struct cxd2841er_priv *priv, 1626 u32 *bit_error, u32 *bit_count) 1627 { 1628 u8 data[2]; 1629 u32 period; 1630 1631 if (priv->state != STATE_ACTIVE_TC) { 1632 dev_dbg(&priv->i2c->dev, 1633 "%s(): invalid state %d\n", __func__, priv->state); 1634 return -EINVAL; 1635 } 1636 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1637 cxd2841er_read_reg(priv, I2C_SLVT, 0x39, data); 1638 if (!(data[0] & 0x01)) { 1639 dev_dbg(&priv->i2c->dev, 1640 "%s(): no valid BER data\n", __func__); 1641 return 0; 1642 } 1643 cxd2841er_read_regs(priv, I2C_SLVT, 0x22, data, sizeof(data)); 1644 *bit_error = ((u32)data[0] << 8) | (u32)data[1]; 1645 cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data); 1646 period = ((data[0] & 0x07) == 0) ? 256 : (4096 << (data[0] & 0x07)); 1647 1648 /* 1649 * FIXME: the right thing would be to return bit_error untouched, 1650 * but, as we don't know the scale returned by the counters, let's 1651 * at least preserver BER = bit_error/bit_count. 1652 */ 1653 *bit_count = period / 128; 1654 *bit_error *= 78125ULL; 1655 return 0; 1656 } 1657 1658 static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv) 1659 { 1660 /* 1661 * Freeze registers: ensure multiple separate register reads 1662 * are from the same snapshot 1663 */ 1664 cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x01); 1665 return 0; 1666 } 1667 1668 static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv) 1669 { 1670 /* 1671 * un-freeze registers 1672 */ 1673 cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x00); 1674 return 0; 1675 } 1676 1677 static u32 cxd2841er_dvbs_read_snr(struct cxd2841er_priv *priv, 1678 u8 delsys, u32 *snr) 1679 { 1680 u8 data[3]; 1681 u32 res = 0, value; 1682 int min_index, max_index, index; 1683 static const struct cxd2841er_cnr_data *cn_data; 1684 1685 cxd2841er_freeze_regs(priv); 1686 /* Set SLV-T Bank : 0xA1 */ 1687 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa1); 1688 /* 1689 * slave Bank Addr Bit Signal name 1690 * <SLV-T> A1h 10h [0] ICPM_QUICKRDY 1691 * <SLV-T> A1h 11h [4:0] ICPM_QUICKCNDT[12:8] 1692 * <SLV-T> A1h 12h [7:0] ICPM_QUICKCNDT[7:0] 1693 */ 1694 cxd2841er_read_regs(priv, I2C_SLVT, 0x10, data, 3); 1695 cxd2841er_unfreeze_regs(priv); 1696 1697 if (data[0] & 0x01) { 1698 value = ((u32)(data[1] & 0x1F) << 8) | (u32)(data[2] & 0xFF); 1699 min_index = 0; 1700 if (delsys == SYS_DVBS) { 1701 cn_data = s_cn_data; 1702 max_index = ARRAY_SIZE(s_cn_data) - 1; 1703 } else { 1704 cn_data = s2_cn_data; 1705 max_index = ARRAY_SIZE(s2_cn_data) - 1; 1706 } 1707 if (value >= cn_data[min_index].value) { 1708 res = cn_data[min_index].cnr_x1000; 1709 goto done; 1710 } 1711 if (value <= cn_data[max_index].value) { 1712 res = cn_data[max_index].cnr_x1000; 1713 goto done; 1714 } 1715 while ((max_index - min_index) > 1) { 1716 index = (max_index + min_index) / 2; 1717 if (value == cn_data[index].value) { 1718 res = cn_data[index].cnr_x1000; 1719 goto done; 1720 } else if (value > cn_data[index].value) 1721 max_index = index; 1722 else 1723 min_index = index; 1724 if ((max_index - min_index) <= 1) { 1725 if (value == cn_data[max_index].value) { 1726 res = cn_data[max_index].cnr_x1000; 1727 goto done; 1728 } else { 1729 res = cn_data[min_index].cnr_x1000; 1730 goto done; 1731 } 1732 } 1733 } 1734 } else { 1735 dev_dbg(&priv->i2c->dev, 1736 "%s(): no data available\n", __func__); 1737 return -EINVAL; 1738 } 1739 done: 1740 *snr = res; 1741 return 0; 1742 } 1743 1744 static uint32_t sony_log(uint32_t x) 1745 { 1746 return (((10000>>8)*(intlog2(x)>>16) + LOG2_E_100X/2)/LOG2_E_100X); 1747 } 1748 1749 static int cxd2841er_read_snr_c(struct cxd2841er_priv *priv, u32 *snr) 1750 { 1751 u32 reg; 1752 u8 data[2]; 1753 enum sony_dvbc_constellation_t qam = SONY_DVBC_CONSTELLATION_16QAM; 1754 1755 *snr = 0; 1756 if (priv->state != STATE_ACTIVE_TC) { 1757 dev_dbg(&priv->i2c->dev, 1758 "%s(): invalid state %d\n", 1759 __func__, priv->state); 1760 return -EINVAL; 1761 } 1762 1763 cxd2841er_freeze_regs(priv); 1764 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1765 cxd2841er_read_regs(priv, I2C_SLVT, 0x19, data, 1); 1766 qam = (enum sony_dvbc_constellation_t) (data[0] & 0x07); 1767 cxd2841er_read_regs(priv, I2C_SLVT, 0x4C, data, 2); 1768 cxd2841er_unfreeze_regs(priv); 1769 1770 reg = ((u32)(data[0]&0x1f) << 8) | (u32)data[1]; 1771 if (reg == 0) { 1772 dev_dbg(&priv->i2c->dev, 1773 "%s(): reg value out of range\n", __func__); 1774 return 0; 1775 } 1776 1777 switch (qam) { 1778 case SONY_DVBC_CONSTELLATION_16QAM: 1779 case SONY_DVBC_CONSTELLATION_64QAM: 1780 case SONY_DVBC_CONSTELLATION_256QAM: 1781 /* SNR(dB) = -9.50 * ln(IREG_SNR_ESTIMATE / (24320)) */ 1782 if (reg < 126) 1783 reg = 126; 1784 *snr = -95 * (int32_t)sony_log(reg) + 95941; 1785 break; 1786 case SONY_DVBC_CONSTELLATION_32QAM: 1787 case SONY_DVBC_CONSTELLATION_128QAM: 1788 /* SNR(dB) = -8.75 * ln(IREG_SNR_ESTIMATE / (20800)) */ 1789 if (reg < 69) 1790 reg = 69; 1791 *snr = -88 * (int32_t)sony_log(reg) + 86999; 1792 break; 1793 default: 1794 return -EINVAL; 1795 } 1796 1797 return 0; 1798 } 1799 1800 static int cxd2841er_read_snr_t(struct cxd2841er_priv *priv, u32 *snr) 1801 { 1802 u32 reg; 1803 u8 data[2]; 1804 1805 *snr = 0; 1806 if (priv->state != STATE_ACTIVE_TC) { 1807 dev_dbg(&priv->i2c->dev, 1808 "%s(): invalid state %d\n", __func__, priv->state); 1809 return -EINVAL; 1810 } 1811 1812 cxd2841er_freeze_regs(priv); 1813 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1814 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); 1815 cxd2841er_unfreeze_regs(priv); 1816 1817 reg = ((u32)data[0] << 8) | (u32)data[1]; 1818 if (reg == 0) { 1819 dev_dbg(&priv->i2c->dev, 1820 "%s(): reg value out of range\n", __func__); 1821 return 0; 1822 } 1823 if (reg > 4996) 1824 reg = 4996; 1825 *snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(5350 - reg)) + 285); 1826 return 0; 1827 } 1828 1829 static int cxd2841er_read_snr_t2(struct cxd2841er_priv *priv, u32 *snr) 1830 { 1831 u32 reg; 1832 u8 data[2]; 1833 1834 *snr = 0; 1835 if (priv->state != STATE_ACTIVE_TC) { 1836 dev_dbg(&priv->i2c->dev, 1837 "%s(): invalid state %d\n", __func__, priv->state); 1838 return -EINVAL; 1839 } 1840 1841 cxd2841er_freeze_regs(priv); 1842 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1843 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); 1844 cxd2841er_unfreeze_regs(priv); 1845 1846 reg = ((u32)data[0] << 8) | (u32)data[1]; 1847 if (reg == 0) { 1848 dev_dbg(&priv->i2c->dev, 1849 "%s(): reg value out of range\n", __func__); 1850 return 0; 1851 } 1852 if (reg > 10876) 1853 reg = 10876; 1854 *snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(12600 - reg)) + 320); 1855 return 0; 1856 } 1857 1858 static int cxd2841er_read_snr_i(struct cxd2841er_priv *priv, u32 *snr) 1859 { 1860 u32 reg; 1861 u8 data[2]; 1862 1863 *snr = 0; 1864 if (priv->state != STATE_ACTIVE_TC) { 1865 dev_dbg(&priv->i2c->dev, 1866 "%s(): invalid state %d\n", __func__, 1867 priv->state); 1868 return -EINVAL; 1869 } 1870 1871 cxd2841er_freeze_regs(priv); 1872 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1873 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); 1874 cxd2841er_unfreeze_regs(priv); 1875 1876 reg = ((u32)data[0] << 8) | (u32)data[1]; 1877 if (reg == 0) { 1878 dev_dbg(&priv->i2c->dev, 1879 "%s(): reg value out of range\n", __func__); 1880 return 0; 1881 } 1882 *snr = 10000 * (intlog10(reg) >> 24) - 9031; 1883 return 0; 1884 } 1885 1886 static u16 cxd2841er_read_agc_gain_c(struct cxd2841er_priv *priv, 1887 u8 delsys) 1888 { 1889 u8 data[2]; 1890 1891 cxd2841er_write_reg( 1892 priv, I2C_SLVT, 0x00, 0x40); 1893 cxd2841er_read_regs(priv, I2C_SLVT, 0x49, data, 2); 1894 dev_dbg(&priv->i2c->dev, 1895 "%s(): AGC value=%u\n", 1896 __func__, (((u16)data[0] & 0x0F) << 8) | 1897 (u16)(data[1] & 0xFF)); 1898 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; 1899 } 1900 1901 static u16 cxd2841er_read_agc_gain_t_t2(struct cxd2841er_priv *priv, 1902 u8 delsys) 1903 { 1904 u8 data[2]; 1905 1906 cxd2841er_write_reg( 1907 priv, I2C_SLVT, 0x00, (delsys == SYS_DVBT ? 0x10 : 0x20)); 1908 cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2); 1909 dev_dbg(&priv->i2c->dev, 1910 "%s(): AGC value=%u\n", 1911 __func__, (((u16)data[0] & 0x0F) << 8) | 1912 (u16)(data[1] & 0xFF)); 1913 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; 1914 } 1915 1916 static u16 cxd2841er_read_agc_gain_i(struct cxd2841er_priv *priv, 1917 u8 delsys) 1918 { 1919 u8 data[2]; 1920 1921 cxd2841er_write_reg( 1922 priv, I2C_SLVT, 0x00, 0x60); 1923 cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2); 1924 1925 dev_dbg(&priv->i2c->dev, 1926 "%s(): AGC value=%u\n", 1927 __func__, (((u16)data[0] & 0x0F) << 8) | 1928 (u16)(data[1] & 0xFF)); 1929 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; 1930 } 1931 1932 static u16 cxd2841er_read_agc_gain_s(struct cxd2841er_priv *priv) 1933 { 1934 u8 data[2]; 1935 1936 /* Set SLV-T Bank : 0xA0 */ 1937 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1938 /* 1939 * slave Bank Addr Bit Signal name 1940 * <SLV-T> A0h 1Fh [4:0] IRFAGC_GAIN[12:8] 1941 * <SLV-T> A0h 20h [7:0] IRFAGC_GAIN[7:0] 1942 */ 1943 cxd2841er_read_regs(priv, I2C_SLVT, 0x1f, data, 2); 1944 return ((((u16)data[0] & 0x1F) << 8) | (u16)(data[1] & 0xFF)) << 3; 1945 } 1946 1947 static void cxd2841er_read_ber(struct dvb_frontend *fe) 1948 { 1949 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 1950 struct cxd2841er_priv *priv = fe->demodulator_priv; 1951 u32 ret, bit_error = 0, bit_count = 0; 1952 1953 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1954 switch (p->delivery_system) { 1955 case SYS_DVBC_ANNEX_A: 1956 case SYS_DVBC_ANNEX_B: 1957 case SYS_DVBC_ANNEX_C: 1958 ret = cxd2841er_read_ber_c(priv, &bit_error, &bit_count); 1959 break; 1960 case SYS_ISDBT: 1961 ret = cxd2841er_read_ber_i(priv, &bit_error, &bit_count); 1962 break; 1963 case SYS_DVBS: 1964 ret = cxd2841er_mon_read_ber_s(priv, &bit_error, &bit_count); 1965 break; 1966 case SYS_DVBS2: 1967 ret = cxd2841er_mon_read_ber_s2(priv, &bit_error, &bit_count); 1968 break; 1969 case SYS_DVBT: 1970 ret = cxd2841er_read_ber_t(priv, &bit_error, &bit_count); 1971 break; 1972 case SYS_DVBT2: 1973 ret = cxd2841er_read_ber_t2(priv, &bit_error, &bit_count); 1974 break; 1975 default: 1976 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 1977 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 1978 return; 1979 } 1980 1981 if (!ret) { 1982 p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; 1983 p->post_bit_error.stat[0].uvalue += bit_error; 1984 p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; 1985 p->post_bit_count.stat[0].uvalue += bit_count; 1986 } else { 1987 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 1988 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 1989 } 1990 } 1991 1992 static void cxd2841er_read_signal_strength(struct dvb_frontend *fe) 1993 { 1994 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 1995 struct cxd2841er_priv *priv = fe->demodulator_priv; 1996 s32 strength; 1997 1998 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1999 switch (p->delivery_system) { 2000 case SYS_DVBT: 2001 case SYS_DVBT2: 2002 strength = cxd2841er_read_agc_gain_t_t2(priv, 2003 p->delivery_system); 2004 p->strength.stat[0].scale = FE_SCALE_DECIBEL; 2005 /* Formula was empirically determinated @ 410 MHz */ 2006 p->strength.stat[0].uvalue = strength * 366 / 100 - 89520; 2007 break; /* Code moved out of the function */ 2008 case SYS_DVBC_ANNEX_A: 2009 case SYS_DVBC_ANNEX_B: 2010 case SYS_DVBC_ANNEX_C: 2011 strength = cxd2841er_read_agc_gain_c(priv, 2012 p->delivery_system); 2013 p->strength.stat[0].scale = FE_SCALE_DECIBEL; 2014 /* 2015 * Formula was empirically determinated via linear regression, 2016 * using frequencies: 175 MHz, 410 MHz and 800 MHz, and a 2017 * stream modulated with QAM64 2018 */ 2019 p->strength.stat[0].uvalue = strength * 4045 / 1000 - 85224; 2020 break; 2021 case SYS_ISDBT: 2022 strength = cxd2841er_read_agc_gain_i(priv, p->delivery_system); 2023 p->strength.stat[0].scale = FE_SCALE_DECIBEL; 2024 /* 2025 * Formula was empirically determinated via linear regression, 2026 * using frequencies: 175 MHz, 410 MHz and 800 MHz. 2027 */ 2028 p->strength.stat[0].uvalue = strength * 3775 / 1000 - 90185; 2029 break; 2030 case SYS_DVBS: 2031 case SYS_DVBS2: 2032 strength = 65535 - cxd2841er_read_agc_gain_s(priv); 2033 p->strength.stat[0].scale = FE_SCALE_RELATIVE; 2034 p->strength.stat[0].uvalue = strength; 2035 break; 2036 default: 2037 p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2038 break; 2039 } 2040 } 2041 2042 static void cxd2841er_read_snr(struct dvb_frontend *fe) 2043 { 2044 u32 tmp = 0; 2045 int ret = 0; 2046 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 2047 struct cxd2841er_priv *priv = fe->demodulator_priv; 2048 2049 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2050 switch (p->delivery_system) { 2051 case SYS_DVBC_ANNEX_A: 2052 case SYS_DVBC_ANNEX_B: 2053 case SYS_DVBC_ANNEX_C: 2054 ret = cxd2841er_read_snr_c(priv, &tmp); 2055 break; 2056 case SYS_DVBT: 2057 ret = cxd2841er_read_snr_t(priv, &tmp); 2058 break; 2059 case SYS_DVBT2: 2060 ret = cxd2841er_read_snr_t2(priv, &tmp); 2061 break; 2062 case SYS_ISDBT: 2063 ret = cxd2841er_read_snr_i(priv, &tmp); 2064 break; 2065 case SYS_DVBS: 2066 case SYS_DVBS2: 2067 ret = cxd2841er_dvbs_read_snr(priv, p->delivery_system, &tmp); 2068 break; 2069 default: 2070 dev_dbg(&priv->i2c->dev, "%s(): unknown delivery system %d\n", 2071 __func__, p->delivery_system); 2072 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2073 return; 2074 } 2075 2076 dev_dbg(&priv->i2c->dev, "%s(): snr=%d\n", 2077 __func__, (int32_t)tmp); 2078 2079 if (!ret) { 2080 p->cnr.stat[0].scale = FE_SCALE_DECIBEL; 2081 p->cnr.stat[0].svalue = tmp; 2082 } else { 2083 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2084 } 2085 } 2086 2087 static void cxd2841er_read_ucblocks(struct dvb_frontend *fe) 2088 { 2089 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 2090 struct cxd2841er_priv *priv = fe->demodulator_priv; 2091 u32 ucblocks = 0; 2092 2093 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2094 switch (p->delivery_system) { 2095 case SYS_DVBC_ANNEX_A: 2096 case SYS_DVBC_ANNEX_B: 2097 case SYS_DVBC_ANNEX_C: 2098 cxd2841er_read_packet_errors_c(priv, &ucblocks); 2099 break; 2100 case SYS_DVBT: 2101 cxd2841er_read_packet_errors_t(priv, &ucblocks); 2102 break; 2103 case SYS_DVBT2: 2104 cxd2841er_read_packet_errors_t2(priv, &ucblocks); 2105 break; 2106 case SYS_ISDBT: 2107 cxd2841er_read_packet_errors_i(priv, &ucblocks); 2108 break; 2109 default: 2110 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2111 return; 2112 } 2113 dev_dbg(&priv->i2c->dev, "%s() ucblocks=%u\n", __func__, ucblocks); 2114 2115 p->block_error.stat[0].scale = FE_SCALE_COUNTER; 2116 p->block_error.stat[0].uvalue = ucblocks; 2117 } 2118 2119 static int cxd2841er_dvbt2_set_profile( 2120 struct cxd2841er_priv *priv, enum cxd2841er_dvbt2_profile_t profile) 2121 { 2122 u8 tune_mode; 2123 u8 seq_not2d_time; 2124 2125 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2126 switch (profile) { 2127 case DVBT2_PROFILE_BASE: 2128 tune_mode = 0x01; 2129 /* Set early unlock time */ 2130 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x0E:0x0C; 2131 break; 2132 case DVBT2_PROFILE_LITE: 2133 tune_mode = 0x05; 2134 /* Set early unlock time */ 2135 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28; 2136 break; 2137 case DVBT2_PROFILE_ANY: 2138 tune_mode = 0x00; 2139 /* Set early unlock time */ 2140 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28; 2141 break; 2142 default: 2143 return -EINVAL; 2144 } 2145 /* Set SLV-T Bank : 0x2E */ 2146 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2e); 2147 /* Set profile and tune mode */ 2148 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x10, tune_mode, 0x07); 2149 /* Set SLV-T Bank : 0x2B */ 2150 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 2151 /* Set early unlock detection time */ 2152 cxd2841er_write_reg(priv, I2C_SLVT, 0x9d, seq_not2d_time); 2153 return 0; 2154 } 2155 2156 static int cxd2841er_dvbt2_set_plp_config(struct cxd2841er_priv *priv, 2157 u8 is_auto, u8 plp_id) 2158 { 2159 if (is_auto) { 2160 dev_dbg(&priv->i2c->dev, 2161 "%s() using auto PLP selection\n", __func__); 2162 } else { 2163 dev_dbg(&priv->i2c->dev, 2164 "%s() using manual PLP selection, ID %d\n", 2165 __func__, plp_id); 2166 } 2167 /* Set SLV-T Bank : 0x23 */ 2168 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23); 2169 if (!is_auto) { 2170 /* Manual PLP selection mode. Set the data PLP Id. */ 2171 cxd2841er_write_reg(priv, I2C_SLVT, 0xaf, plp_id); 2172 } 2173 /* Auto PLP select (Scanning mode = 0x00). Data PLP select = 0x01. */ 2174 cxd2841er_write_reg(priv, I2C_SLVT, 0xad, (is_auto ? 0x00 : 0x01)); 2175 return 0; 2176 } 2177 2178 static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv, 2179 u32 bandwidth) 2180 { 2181 u32 iffreq, ifhz; 2182 u8 data[MAX_WRITE_REGSIZE]; 2183 2184 static const uint8_t nominalRate8bw[3][5] = { 2185 /* TRCG Nominal Rate [37:0] */ 2186 {0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2187 {0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2188 {0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2189 }; 2190 2191 static const uint8_t nominalRate7bw[3][5] = { 2192 /* TRCG Nominal Rate [37:0] */ 2193 {0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2194 {0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2195 {0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2196 }; 2197 2198 static const uint8_t nominalRate6bw[3][5] = { 2199 /* TRCG Nominal Rate [37:0] */ 2200 {0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */ 2201 {0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2202 {0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */ 2203 }; 2204 2205 static const uint8_t nominalRate5bw[3][5] = { 2206 /* TRCG Nominal Rate [37:0] */ 2207 {0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */ 2208 {0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */ 2209 {0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */ 2210 }; 2211 2212 static const uint8_t nominalRate17bw[3][5] = { 2213 /* TRCG Nominal Rate [37:0] */ 2214 {0x58, 0xE2, 0xAF, 0xE0, 0xBC}, /* 20.5MHz XTal */ 2215 {0x68, 0x0F, 0xA2, 0x32, 0xD0}, /* 24MHz XTal */ 2216 {0x58, 0xE2, 0xAF, 0xE0, 0xBC} /* 41MHz XTal */ 2217 }; 2218 2219 static const uint8_t itbCoef8bw[3][14] = { 2220 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 2221 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */ 2222 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 2223 0x29, 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */ 2224 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 2225 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */ 2226 }; 2227 2228 static const uint8_t itbCoef7bw[3][14] = { 2229 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 2230 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */ 2231 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 2232 0x29, 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */ 2233 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 2234 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */ 2235 }; 2236 2237 static const uint8_t itbCoef6bw[3][14] = { 2238 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2239 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2240 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 2241 0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2242 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2243 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2244 }; 2245 2246 static const uint8_t itbCoef5bw[3][14] = { 2247 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2248 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2249 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 2250 0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2251 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2252 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2253 }; 2254 2255 static const uint8_t itbCoef17bw[3][14] = { 2256 {0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B, 2257 0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99}, /* 20.5MHz XTal */ 2258 {0x33, 0x8E, 0x2B, 0x97, 0x2D, 0x95, 0x37, 0x8B, 2259 0x30, 0x97, 0x2D, 0x9A, 0x21, 0xA4}, /* 24MHz XTal */ 2260 {0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B, 2261 0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99} /* 41MHz XTal */ 2262 }; 2263 2264 /* Set SLV-T Bank : 0x20 */ 2265 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 2266 2267 switch (bandwidth) { 2268 case 8000000: 2269 /* <Timing Recovery setting> */ 2270 cxd2841er_write_regs(priv, I2C_SLVT, 2271 0x9F, nominalRate8bw[priv->xtal], 5); 2272 2273 /* Set SLV-T Bank : 0x27 */ 2274 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2275 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2276 0x7a, 0x00, 0x0f); 2277 2278 /* Set SLV-T Bank : 0x10 */ 2279 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2280 2281 /* Group delay equaliser settings for 2282 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2283 */ 2284 if (priv->flags & CXD2841ER_ASCOT) 2285 cxd2841er_write_regs(priv, I2C_SLVT, 2286 0xA6, itbCoef8bw[priv->xtal], 14); 2287 /* <IF freq setting> */ 2288 ifhz = cxd2841er_get_if_hz(priv, 4800000); 2289 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2290 data[0] = (u8) ((iffreq >> 16) & 0xff); 2291 data[1] = (u8)((iffreq >> 8) & 0xff); 2292 data[2] = (u8)(iffreq & 0xff); 2293 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2294 /* System bandwidth setting */ 2295 cxd2841er_set_reg_bits( 2296 priv, I2C_SLVT, 0xD7, 0x00, 0x07); 2297 break; 2298 case 7000000: 2299 /* <Timing Recovery setting> */ 2300 cxd2841er_write_regs(priv, I2C_SLVT, 2301 0x9F, nominalRate7bw[priv->xtal], 5); 2302 2303 /* Set SLV-T Bank : 0x27 */ 2304 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2305 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2306 0x7a, 0x00, 0x0f); 2307 2308 /* Set SLV-T Bank : 0x10 */ 2309 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2310 2311 /* Group delay equaliser settings for 2312 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2313 */ 2314 if (priv->flags & CXD2841ER_ASCOT) 2315 cxd2841er_write_regs(priv, I2C_SLVT, 2316 0xA6, itbCoef7bw[priv->xtal], 14); 2317 /* <IF freq setting> */ 2318 ifhz = cxd2841er_get_if_hz(priv, 4200000); 2319 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2320 data[0] = (u8) ((iffreq >> 16) & 0xff); 2321 data[1] = (u8)((iffreq >> 8) & 0xff); 2322 data[2] = (u8)(iffreq & 0xff); 2323 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2324 /* System bandwidth setting */ 2325 cxd2841er_set_reg_bits( 2326 priv, I2C_SLVT, 0xD7, 0x02, 0x07); 2327 break; 2328 case 6000000: 2329 /* <Timing Recovery setting> */ 2330 cxd2841er_write_regs(priv, I2C_SLVT, 2331 0x9F, nominalRate6bw[priv->xtal], 5); 2332 2333 /* Set SLV-T Bank : 0x27 */ 2334 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2335 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2336 0x7a, 0x00, 0x0f); 2337 2338 /* Set SLV-T Bank : 0x10 */ 2339 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2340 2341 /* Group delay equaliser settings for 2342 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2343 */ 2344 if (priv->flags & CXD2841ER_ASCOT) 2345 cxd2841er_write_regs(priv, I2C_SLVT, 2346 0xA6, itbCoef6bw[priv->xtal], 14); 2347 /* <IF freq setting> */ 2348 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2349 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2350 data[0] = (u8) ((iffreq >> 16) & 0xff); 2351 data[1] = (u8)((iffreq >> 8) & 0xff); 2352 data[2] = (u8)(iffreq & 0xff); 2353 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2354 /* System bandwidth setting */ 2355 cxd2841er_set_reg_bits( 2356 priv, I2C_SLVT, 0xD7, 0x04, 0x07); 2357 break; 2358 case 5000000: 2359 /* <Timing Recovery setting> */ 2360 cxd2841er_write_regs(priv, I2C_SLVT, 2361 0x9F, nominalRate5bw[priv->xtal], 5); 2362 2363 /* Set SLV-T Bank : 0x27 */ 2364 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2365 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2366 0x7a, 0x00, 0x0f); 2367 2368 /* Set SLV-T Bank : 0x10 */ 2369 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2370 2371 /* Group delay equaliser settings for 2372 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2373 */ 2374 if (priv->flags & CXD2841ER_ASCOT) 2375 cxd2841er_write_regs(priv, I2C_SLVT, 2376 0xA6, itbCoef5bw[priv->xtal], 14); 2377 /* <IF freq setting> */ 2378 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2379 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2380 data[0] = (u8) ((iffreq >> 16) & 0xff); 2381 data[1] = (u8)((iffreq >> 8) & 0xff); 2382 data[2] = (u8)(iffreq & 0xff); 2383 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2384 /* System bandwidth setting */ 2385 cxd2841er_set_reg_bits( 2386 priv, I2C_SLVT, 0xD7, 0x06, 0x07); 2387 break; 2388 case 1712000: 2389 /* <Timing Recovery setting> */ 2390 cxd2841er_write_regs(priv, I2C_SLVT, 2391 0x9F, nominalRate17bw[priv->xtal], 5); 2392 2393 /* Set SLV-T Bank : 0x27 */ 2394 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2395 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2396 0x7a, 0x03, 0x0f); 2397 2398 /* Set SLV-T Bank : 0x10 */ 2399 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2400 2401 /* Group delay equaliser settings for 2402 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2403 */ 2404 if (priv->flags & CXD2841ER_ASCOT) 2405 cxd2841er_write_regs(priv, I2C_SLVT, 2406 0xA6, itbCoef17bw[priv->xtal], 14); 2407 /* <IF freq setting> */ 2408 ifhz = cxd2841er_get_if_hz(priv, 3500000); 2409 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2410 data[0] = (u8) ((iffreq >> 16) & 0xff); 2411 data[1] = (u8)((iffreq >> 8) & 0xff); 2412 data[2] = (u8)(iffreq & 0xff); 2413 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2414 /* System bandwidth setting */ 2415 cxd2841er_set_reg_bits( 2416 priv, I2C_SLVT, 0xD7, 0x03, 0x07); 2417 break; 2418 default: 2419 return -EINVAL; 2420 } 2421 return 0; 2422 } 2423 2424 static int cxd2841er_sleep_tc_to_active_t_band( 2425 struct cxd2841er_priv *priv, u32 bandwidth) 2426 { 2427 u8 data[MAX_WRITE_REGSIZE]; 2428 u32 iffreq, ifhz; 2429 static const u8 nominalRate8bw[3][5] = { 2430 /* TRCG Nominal Rate [37:0] */ 2431 {0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2432 {0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2433 {0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2434 }; 2435 static const u8 nominalRate7bw[3][5] = { 2436 /* TRCG Nominal Rate [37:0] */ 2437 {0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2438 {0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2439 {0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2440 }; 2441 static const u8 nominalRate6bw[3][5] = { 2442 /* TRCG Nominal Rate [37:0] */ 2443 {0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */ 2444 {0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2445 {0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */ 2446 }; 2447 static const u8 nominalRate5bw[3][5] = { 2448 /* TRCG Nominal Rate [37:0] */ 2449 {0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */ 2450 {0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */ 2451 {0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */ 2452 }; 2453 2454 static const u8 itbCoef8bw[3][14] = { 2455 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9, 2456 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */ 2457 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29, 0xA5, 2458 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */ 2459 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9, 2460 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */ 2461 }; 2462 static const u8 itbCoef7bw[3][14] = { 2463 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0, 2464 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */ 2465 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29, 0xA2, 2466 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */ 2467 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0, 2468 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */ 2469 }; 2470 static const u8 itbCoef6bw[3][14] = { 2471 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2472 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2473 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4, 2474 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2475 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2476 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2477 }; 2478 static const u8 itbCoef5bw[3][14] = { 2479 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2480 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2481 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4, 2482 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2483 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2484 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2485 }; 2486 2487 /* Set SLV-T Bank : 0x13 */ 2488 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); 2489 /* Echo performance optimization setting */ 2490 data[0] = 0x01; 2491 data[1] = 0x14; 2492 cxd2841er_write_regs(priv, I2C_SLVT, 0x9C, data, 2); 2493 2494 /* Set SLV-T Bank : 0x10 */ 2495 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2496 2497 switch (bandwidth) { 2498 case 8000000: 2499 /* <Timing Recovery setting> */ 2500 cxd2841er_write_regs(priv, I2C_SLVT, 2501 0x9F, nominalRate8bw[priv->xtal], 5); 2502 /* Group delay equaliser settings for 2503 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2504 */ 2505 if (priv->flags & CXD2841ER_ASCOT) 2506 cxd2841er_write_regs(priv, I2C_SLVT, 2507 0xA6, itbCoef8bw[priv->xtal], 14); 2508 /* <IF freq setting> */ 2509 ifhz = cxd2841er_get_if_hz(priv, 4800000); 2510 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2511 data[0] = (u8) ((iffreq >> 16) & 0xff); 2512 data[1] = (u8)((iffreq >> 8) & 0xff); 2513 data[2] = (u8)(iffreq & 0xff); 2514 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2515 /* System bandwidth setting */ 2516 cxd2841er_set_reg_bits( 2517 priv, I2C_SLVT, 0xD7, 0x00, 0x07); 2518 2519 /* Demod core latency setting */ 2520 if (priv->xtal == SONY_XTAL_24000) { 2521 data[0] = 0x15; 2522 data[1] = 0x28; 2523 } else { 2524 data[0] = 0x01; 2525 data[1] = 0xE0; 2526 } 2527 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2528 2529 /* Notch filter setting */ 2530 data[0] = 0x01; 2531 data[1] = 0x02; 2532 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2533 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2534 break; 2535 case 7000000: 2536 /* <Timing Recovery setting> */ 2537 cxd2841er_write_regs(priv, I2C_SLVT, 2538 0x9F, nominalRate7bw[priv->xtal], 5); 2539 /* Group delay equaliser settings for 2540 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2541 */ 2542 if (priv->flags & CXD2841ER_ASCOT) 2543 cxd2841er_write_regs(priv, I2C_SLVT, 2544 0xA6, itbCoef7bw[priv->xtal], 14); 2545 /* <IF freq setting> */ 2546 ifhz = cxd2841er_get_if_hz(priv, 4200000); 2547 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2548 data[0] = (u8) ((iffreq >> 16) & 0xff); 2549 data[1] = (u8)((iffreq >> 8) & 0xff); 2550 data[2] = (u8)(iffreq & 0xff); 2551 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2552 /* System bandwidth setting */ 2553 cxd2841er_set_reg_bits( 2554 priv, I2C_SLVT, 0xD7, 0x02, 0x07); 2555 2556 /* Demod core latency setting */ 2557 if (priv->xtal == SONY_XTAL_24000) { 2558 data[0] = 0x1F; 2559 data[1] = 0xF8; 2560 } else { 2561 data[0] = 0x12; 2562 data[1] = 0xF8; 2563 } 2564 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2565 2566 /* Notch filter setting */ 2567 data[0] = 0x00; 2568 data[1] = 0x03; 2569 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2570 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2571 break; 2572 case 6000000: 2573 /* <Timing Recovery setting> */ 2574 cxd2841er_write_regs(priv, I2C_SLVT, 2575 0x9F, nominalRate6bw[priv->xtal], 5); 2576 /* Group delay equaliser settings for 2577 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2578 */ 2579 if (priv->flags & CXD2841ER_ASCOT) 2580 cxd2841er_write_regs(priv, I2C_SLVT, 2581 0xA6, itbCoef6bw[priv->xtal], 14); 2582 /* <IF freq setting> */ 2583 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2584 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2585 data[0] = (u8) ((iffreq >> 16) & 0xff); 2586 data[1] = (u8)((iffreq >> 8) & 0xff); 2587 data[2] = (u8)(iffreq & 0xff); 2588 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2589 /* System bandwidth setting */ 2590 cxd2841er_set_reg_bits( 2591 priv, I2C_SLVT, 0xD7, 0x04, 0x07); 2592 2593 /* Demod core latency setting */ 2594 if (priv->xtal == SONY_XTAL_24000) { 2595 data[0] = 0x25; 2596 data[1] = 0x4C; 2597 } else { 2598 data[0] = 0x1F; 2599 data[1] = 0xDC; 2600 } 2601 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2602 2603 /* Notch filter setting */ 2604 data[0] = 0x00; 2605 data[1] = 0x03; 2606 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2607 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2608 break; 2609 case 5000000: 2610 /* <Timing Recovery setting> */ 2611 cxd2841er_write_regs(priv, I2C_SLVT, 2612 0x9F, nominalRate5bw[priv->xtal], 5); 2613 /* Group delay equaliser settings for 2614 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2615 */ 2616 if (priv->flags & CXD2841ER_ASCOT) 2617 cxd2841er_write_regs(priv, I2C_SLVT, 2618 0xA6, itbCoef5bw[priv->xtal], 14); 2619 /* <IF freq setting> */ 2620 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2621 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2622 data[0] = (u8) ((iffreq >> 16) & 0xff); 2623 data[1] = (u8)((iffreq >> 8) & 0xff); 2624 data[2] = (u8)(iffreq & 0xff); 2625 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2626 /* System bandwidth setting */ 2627 cxd2841er_set_reg_bits( 2628 priv, I2C_SLVT, 0xD7, 0x06, 0x07); 2629 2630 /* Demod core latency setting */ 2631 if (priv->xtal == SONY_XTAL_24000) { 2632 data[0] = 0x2C; 2633 data[1] = 0xC2; 2634 } else { 2635 data[0] = 0x26; 2636 data[1] = 0x3C; 2637 } 2638 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2639 2640 /* Notch filter setting */ 2641 data[0] = 0x00; 2642 data[1] = 0x03; 2643 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2644 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2645 break; 2646 } 2647 2648 return 0; 2649 } 2650 2651 static int cxd2841er_sleep_tc_to_active_i_band( 2652 struct cxd2841er_priv *priv, u32 bandwidth) 2653 { 2654 u32 iffreq, ifhz; 2655 u8 data[3]; 2656 2657 /* TRCG Nominal Rate */ 2658 static const u8 nominalRate8bw[3][5] = { 2659 {0x00, 0x00, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2660 {0x11, 0xB8, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2661 {0x00, 0x00, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2662 }; 2663 2664 static const u8 nominalRate7bw[3][5] = { 2665 {0x00, 0x00, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2666 {0x14, 0x40, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2667 {0x00, 0x00, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2668 }; 2669 2670 static const u8 nominalRate6bw[3][5] = { 2671 {0x14, 0x2E, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2672 {0x17, 0xA0, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2673 {0x14, 0x2E, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2674 }; 2675 2676 static const u8 itbCoef8bw[3][14] = { 2677 {0x00}, /* 20.5MHz XTal */ 2678 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29, 2679 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz Xtal */ 2680 {0x0}, /* 41MHz XTal */ 2681 }; 2682 2683 static const u8 itbCoef7bw[3][14] = { 2684 {0x00}, /* 20.5MHz XTal */ 2685 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29, 2686 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz Xtal */ 2687 {0x00}, /* 41MHz XTal */ 2688 }; 2689 2690 static const u8 itbCoef6bw[3][14] = { 2691 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 2692 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2693 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 2694 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz Xtal */ 2695 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 2696 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 41MHz XTal */ 2697 }; 2698 2699 dev_dbg(&priv->i2c->dev, "%s() bandwidth=%u\n", __func__, bandwidth); 2700 /* Set SLV-T Bank : 0x10 */ 2701 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2702 2703 /* 20.5/41MHz Xtal support is not available 2704 * on ISDB-T 7MHzBW and 8MHzBW 2705 */ 2706 if (priv->xtal != SONY_XTAL_24000 && bandwidth > 6000000) { 2707 dev_err(&priv->i2c->dev, 2708 "%s(): bandwidth %d supported only for 24MHz xtal\n", 2709 __func__, bandwidth); 2710 return -EINVAL; 2711 } 2712 2713 switch (bandwidth) { 2714 case 8000000: 2715 /* TRCG Nominal Rate */ 2716 cxd2841er_write_regs(priv, I2C_SLVT, 2717 0x9F, nominalRate8bw[priv->xtal], 5); 2718 /* Group delay equaliser settings for ASCOT tuners optimized */ 2719 if (priv->flags & CXD2841ER_ASCOT) 2720 cxd2841er_write_regs(priv, I2C_SLVT, 2721 0xA6, itbCoef8bw[priv->xtal], 14); 2722 2723 /* IF freq setting */ 2724 ifhz = cxd2841er_get_if_hz(priv, 4750000); 2725 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2726 data[0] = (u8) ((iffreq >> 16) & 0xff); 2727 data[1] = (u8)((iffreq >> 8) & 0xff); 2728 data[2] = (u8)(iffreq & 0xff); 2729 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2730 2731 /* System bandwidth setting */ 2732 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x0, 0x7); 2733 2734 /* Demod core latency setting */ 2735 data[0] = 0x13; 2736 data[1] = 0xFC; 2737 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2738 2739 /* Acquisition optimization setting */ 2740 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12); 2741 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x03, 0x07); 2742 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 2743 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x03); 2744 break; 2745 case 7000000: 2746 /* TRCG Nominal Rate */ 2747 cxd2841er_write_regs(priv, I2C_SLVT, 2748 0x9F, nominalRate7bw[priv->xtal], 5); 2749 /* Group delay equaliser settings for ASCOT tuners optimized */ 2750 if (priv->flags & CXD2841ER_ASCOT) 2751 cxd2841er_write_regs(priv, I2C_SLVT, 2752 0xA6, itbCoef7bw[priv->xtal], 14); 2753 2754 /* IF freq setting */ 2755 ifhz = cxd2841er_get_if_hz(priv, 4150000); 2756 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2757 data[0] = (u8) ((iffreq >> 16) & 0xff); 2758 data[1] = (u8)((iffreq >> 8) & 0xff); 2759 data[2] = (u8)(iffreq & 0xff); 2760 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2761 2762 /* System bandwidth setting */ 2763 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x02, 0x7); 2764 2765 /* Demod core latency setting */ 2766 data[0] = 0x1A; 2767 data[1] = 0xFA; 2768 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2769 2770 /* Acquisition optimization setting */ 2771 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12); 2772 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x03, 0x07); 2773 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 2774 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x02); 2775 break; 2776 case 6000000: 2777 /* TRCG Nominal Rate */ 2778 cxd2841er_write_regs(priv, I2C_SLVT, 2779 0x9F, nominalRate6bw[priv->xtal], 5); 2780 /* Group delay equaliser settings for ASCOT tuners optimized */ 2781 if (priv->flags & CXD2841ER_ASCOT) 2782 cxd2841er_write_regs(priv, I2C_SLVT, 2783 0xA6, itbCoef6bw[priv->xtal], 14); 2784 2785 /* IF freq setting */ 2786 ifhz = cxd2841er_get_if_hz(priv, 3550000); 2787 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2788 data[0] = (u8) ((iffreq >> 16) & 0xff); 2789 data[1] = (u8)((iffreq >> 8) & 0xff); 2790 data[2] = (u8)(iffreq & 0xff); 2791 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2792 2793 /* System bandwidth setting */ 2794 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x04, 0x7); 2795 2796 /* Demod core latency setting */ 2797 if (priv->xtal == SONY_XTAL_24000) { 2798 data[0] = 0x1F; 2799 data[1] = 0x79; 2800 } else { 2801 data[0] = 0x1A; 2802 data[1] = 0xE2; 2803 } 2804 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2805 2806 /* Acquisition optimization setting */ 2807 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12); 2808 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x07, 0x07); 2809 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 2810 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x02); 2811 break; 2812 default: 2813 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", 2814 __func__, bandwidth); 2815 return -EINVAL; 2816 } 2817 return 0; 2818 } 2819 2820 static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv, 2821 u32 bandwidth) 2822 { 2823 u8 bw7_8mhz_b10_a6[] = { 2824 0x2D, 0xC7, 0x04, 0xF4, 0x07, 0xC5, 0x2A, 0xB8, 2825 0x27, 0x9E, 0x27, 0xA4, 0x29, 0xAB }; 2826 u8 bw6mhz_b10_a6[] = { 2827 0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2828 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4 }; 2829 u8 b10_b6[3]; 2830 u32 iffreq, ifhz; 2831 2832 if (bandwidth != 6000000 && 2833 bandwidth != 7000000 && 2834 bandwidth != 8000000) { 2835 dev_info(&priv->i2c->dev, "%s(): unsupported bandwidth %d. Forcing 8Mhz!\n", 2836 __func__, bandwidth); 2837 bandwidth = 8000000; 2838 } 2839 2840 dev_dbg(&priv->i2c->dev, "%s() bw=%d\n", __func__, bandwidth); 2841 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2842 switch (bandwidth) { 2843 case 8000000: 2844 case 7000000: 2845 if (priv->flags & CXD2841ER_ASCOT) 2846 cxd2841er_write_regs( 2847 priv, I2C_SLVT, 0xa6, 2848 bw7_8mhz_b10_a6, sizeof(bw7_8mhz_b10_a6)); 2849 ifhz = cxd2841er_get_if_hz(priv, 4900000); 2850 iffreq = cxd2841er_calc_iffreq(ifhz); 2851 break; 2852 case 6000000: 2853 if (priv->flags & CXD2841ER_ASCOT) 2854 cxd2841er_write_regs( 2855 priv, I2C_SLVT, 0xa6, 2856 bw6mhz_b10_a6, sizeof(bw6mhz_b10_a6)); 2857 ifhz = cxd2841er_get_if_hz(priv, 3700000); 2858 iffreq = cxd2841er_calc_iffreq(ifhz); 2859 break; 2860 default: 2861 dev_err(&priv->i2c->dev, "%s(): unsupported bandwidth %d\n", 2862 __func__, bandwidth); 2863 return -EINVAL; 2864 } 2865 /* <IF freq setting> */ 2866 b10_b6[0] = (u8) ((iffreq >> 16) & 0xff); 2867 b10_b6[1] = (u8)((iffreq >> 8) & 0xff); 2868 b10_b6[2] = (u8)(iffreq & 0xff); 2869 cxd2841er_write_regs(priv, I2C_SLVT, 0xb6, b10_b6, sizeof(b10_b6)); 2870 /* Set SLV-T Bank : 0x11 */ 2871 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 2872 switch (bandwidth) { 2873 case 8000000: 2874 case 7000000: 2875 cxd2841er_set_reg_bits( 2876 priv, I2C_SLVT, 0xa3, 0x00, 0x1f); 2877 break; 2878 case 6000000: 2879 cxd2841er_set_reg_bits( 2880 priv, I2C_SLVT, 0xa3, 0x14, 0x1f); 2881 break; 2882 } 2883 /* Set SLV-T Bank : 0x40 */ 2884 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 2885 switch (bandwidth) { 2886 case 8000000: 2887 cxd2841er_set_reg_bits( 2888 priv, I2C_SLVT, 0x26, 0x0b, 0x0f); 2889 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x3e); 2890 break; 2891 case 7000000: 2892 cxd2841er_set_reg_bits( 2893 priv, I2C_SLVT, 0x26, 0x09, 0x0f); 2894 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0xd6); 2895 break; 2896 case 6000000: 2897 cxd2841er_set_reg_bits( 2898 priv, I2C_SLVT, 0x26, 0x08, 0x0f); 2899 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x6e); 2900 break; 2901 } 2902 return 0; 2903 } 2904 2905 static int cxd2841er_sleep_tc_to_active_t(struct cxd2841er_priv *priv, 2906 u32 bandwidth) 2907 { 2908 u8 data[2] = { 0x09, 0x54 }; 2909 u8 data24m[3] = {0xDC, 0x6C, 0x00}; 2910 2911 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2912 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT); 2913 /* Set SLV-X Bank : 0x00 */ 2914 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 2915 /* Set demod mode */ 2916 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); 2917 /* Set SLV-T Bank : 0x00 */ 2918 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2919 /* Enable demod clock */ 2920 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 2921 /* Disable RF level monitor */ 2922 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 2923 /* Enable ADC clock */ 2924 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 2925 /* Enable ADC 1 */ 2926 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 2927 /* Enable ADC 2 & 3 */ 2928 if (priv->xtal == SONY_XTAL_41000) { 2929 data[0] = 0x0A; 2930 data[1] = 0xD4; 2931 } 2932 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 2933 /* Enable ADC 4 */ 2934 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 2935 /* Set SLV-T Bank : 0x10 */ 2936 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2937 /* IFAGC gain settings */ 2938 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f); 2939 /* Set SLV-T Bank : 0x11 */ 2940 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 2941 /* BBAGC TARGET level setting */ 2942 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50); 2943 /* Set SLV-T Bank : 0x10 */ 2944 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2945 /* ASCOT setting */ 2946 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 2947 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 2948 /* Set SLV-T Bank : 0x18 */ 2949 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18); 2950 /* Pre-RS BER moniter setting */ 2951 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x36, 0x40, 0x07); 2952 /* FEC Auto Recovery setting */ 2953 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01); 2954 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x01, 0x01); 2955 /* Set SLV-T Bank : 0x00 */ 2956 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2957 /* TSIF setting */ 2958 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); 2959 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); 2960 2961 if (priv->xtal == SONY_XTAL_24000) { 2962 /* Set SLV-T Bank : 0x10 */ 2963 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2964 cxd2841er_write_reg(priv, I2C_SLVT, 0xBF, 0x60); 2965 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18); 2966 cxd2841er_write_regs(priv, I2C_SLVT, 0x24, data24m, 3); 2967 } 2968 2969 cxd2841er_sleep_tc_to_active_t_band(priv, bandwidth); 2970 /* Set SLV-T Bank : 0x00 */ 2971 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2972 /* Disable HiZ Setting 1 */ 2973 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 2974 /* Disable HiZ Setting 2 */ 2975 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 2976 priv->state = STATE_ACTIVE_TC; 2977 return 0; 2978 } 2979 2980 static int cxd2841er_sleep_tc_to_active_t2(struct cxd2841er_priv *priv, 2981 u32 bandwidth) 2982 { 2983 u8 data[MAX_WRITE_REGSIZE]; 2984 2985 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2986 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT2); 2987 /* Set SLV-X Bank : 0x00 */ 2988 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 2989 /* Set demod mode */ 2990 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x02); 2991 /* Set SLV-T Bank : 0x00 */ 2992 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2993 /* Enable demod clock */ 2994 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 2995 /* Disable RF level monitor */ 2996 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x00); 2997 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 2998 /* Enable ADC clock */ 2999 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 3000 /* Enable ADC 1 */ 3001 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 3002 3003 if (priv->xtal == SONY_XTAL_41000) { 3004 data[0] = 0x0A; 3005 data[1] = 0xD4; 3006 } else { 3007 data[0] = 0x09; 3008 data[1] = 0x54; 3009 } 3010 3011 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 3012 /* Enable ADC 4 */ 3013 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 3014 /* Set SLV-T Bank : 0x10 */ 3015 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3016 /* IFAGC gain settings */ 3017 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f); 3018 /* Set SLV-T Bank : 0x11 */ 3019 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 3020 /* BBAGC TARGET level setting */ 3021 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50); 3022 /* Set SLV-T Bank : 0x10 */ 3023 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3024 /* ASCOT setting */ 3025 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 3026 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 3027 /* Set SLV-T Bank : 0x20 */ 3028 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 3029 /* Acquisition optimization setting */ 3030 cxd2841er_write_reg(priv, I2C_SLVT, 0x8b, 0x3c); 3031 /* Set SLV-T Bank : 0x2b */ 3032 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 3033 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x76, 0x20, 0x70); 3034 /* Set SLV-T Bank : 0x23 */ 3035 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23); 3036 /* L1 Control setting */ 3037 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xE6, 0x00, 0x03); 3038 /* Set SLV-T Bank : 0x00 */ 3039 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3040 /* TSIF setting */ 3041 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); 3042 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); 3043 /* DVB-T2 initial setting */ 3044 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); 3045 cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x10); 3046 cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x34); 3047 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f); 3048 cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xd8); 3049 /* Set SLV-T Bank : 0x2a */ 3050 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a); 3051 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x04, 0x0f); 3052 /* Set SLV-T Bank : 0x2b */ 3053 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 3054 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x20, 0x3f); 3055 3056 /* 24MHz Xtal setting */ 3057 if (priv->xtal == SONY_XTAL_24000) { 3058 /* Set SLV-T Bank : 0x11 */ 3059 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 3060 data[0] = 0xEB; 3061 data[1] = 0x03; 3062 data[2] = 0x3B; 3063 cxd2841er_write_regs(priv, I2C_SLVT, 0x33, data, 3); 3064 3065 /* Set SLV-T Bank : 0x20 */ 3066 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 3067 data[0] = 0x5E; 3068 data[1] = 0x5E; 3069 data[2] = 0x47; 3070 cxd2841er_write_regs(priv, I2C_SLVT, 0x95, data, 3); 3071 3072 cxd2841er_write_reg(priv, I2C_SLVT, 0x99, 0x18); 3073 3074 data[0] = 0x3F; 3075 data[1] = 0xFF; 3076 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 3077 3078 /* Set SLV-T Bank : 0x24 */ 3079 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24); 3080 data[0] = 0x0B; 3081 data[1] = 0x72; 3082 cxd2841er_write_regs(priv, I2C_SLVT, 0x34, data, 2); 3083 3084 data[0] = 0x93; 3085 data[1] = 0xF3; 3086 data[2] = 0x00; 3087 cxd2841er_write_regs(priv, I2C_SLVT, 0xD2, data, 3); 3088 3089 data[0] = 0x05; 3090 data[1] = 0xB8; 3091 data[2] = 0xD8; 3092 cxd2841er_write_regs(priv, I2C_SLVT, 0xDD, data, 3); 3093 3094 cxd2841er_write_reg(priv, I2C_SLVT, 0xE0, 0x00); 3095 3096 /* Set SLV-T Bank : 0x25 */ 3097 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x25); 3098 cxd2841er_write_reg(priv, I2C_SLVT, 0xED, 0x60); 3099 3100 /* Set SLV-T Bank : 0x27 */ 3101 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 3102 cxd2841er_write_reg(priv, I2C_SLVT, 0xFA, 0x34); 3103 3104 /* Set SLV-T Bank : 0x2B */ 3105 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2B); 3106 cxd2841er_write_reg(priv, I2C_SLVT, 0x4B, 0x2F); 3107 cxd2841er_write_reg(priv, I2C_SLVT, 0x9E, 0x0E); 3108 3109 /* Set SLV-T Bank : 0x2D */ 3110 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2D); 3111 data[0] = 0x89; 3112 data[1] = 0x89; 3113 cxd2841er_write_regs(priv, I2C_SLVT, 0x24, data, 2); 3114 3115 /* Set SLV-T Bank : 0x5E */ 3116 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x5E); 3117 data[0] = 0x24; 3118 data[1] = 0x95; 3119 cxd2841er_write_regs(priv, I2C_SLVT, 0x8C, data, 2); 3120 } 3121 3122 cxd2841er_sleep_tc_to_active_t2_band(priv, bandwidth); 3123 3124 /* Set SLV-T Bank : 0x00 */ 3125 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3126 /* Disable HiZ Setting 1 */ 3127 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 3128 /* Disable HiZ Setting 2 */ 3129 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 3130 priv->state = STATE_ACTIVE_TC; 3131 return 0; 3132 } 3133 3134 /* ISDB-Tb part */ 3135 static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv, 3136 u32 bandwidth) 3137 { 3138 u8 data[2] = { 0x09, 0x54 }; 3139 u8 data24m[2] = {0x60, 0x00}; 3140 u8 data24m2[3] = {0xB7, 0x1B, 0x00}; 3141 3142 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3143 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT); 3144 /* Set SLV-X Bank : 0x00 */ 3145 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 3146 /* Set demod mode */ 3147 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x06); 3148 /* Set SLV-T Bank : 0x00 */ 3149 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3150 /* Enable demod clock */ 3151 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 3152 /* Enable RF level monitor */ 3153 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x01); 3154 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x01); 3155 /* Enable ADC clock */ 3156 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 3157 /* Enable ADC 1 */ 3158 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 3159 /* xtal freq 20.5MHz or 24M */ 3160 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 3161 /* Enable ADC 4 */ 3162 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 3163 /* ASCOT setting */ 3164 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 3165 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 3166 /* FEC Auto Recovery setting */ 3167 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01); 3168 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x00, 0x01); 3169 /* ISDB-T initial setting */ 3170 /* Set SLV-T Bank : 0x00 */ 3171 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3172 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x00, 0x01); 3173 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x00, 0x01); 3174 /* Set SLV-T Bank : 0x10 */ 3175 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3176 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x69, 0x04, 0x07); 3177 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x6B, 0x03, 0x07); 3178 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9D, 0x50, 0xFF); 3179 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xD3, 0x06, 0x1F); 3180 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xED, 0x00, 0x01); 3181 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xE2, 0xCE, 0x80); 3182 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xF2, 0x13, 0x10); 3183 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xDE, 0x2E, 0x3F); 3184 /* Set SLV-T Bank : 0x15 */ 3185 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 3186 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xDE, 0x02, 0x03); 3187 /* Set SLV-T Bank : 0x1E */ 3188 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x1E); 3189 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x73, 0x68, 0xFF); 3190 /* Set SLV-T Bank : 0x63 */ 3191 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x63); 3192 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x81, 0x00, 0x01); 3193 3194 /* for xtal 24MHz */ 3195 /* Set SLV-T Bank : 0x10 */ 3196 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3197 cxd2841er_write_regs(priv, I2C_SLVT, 0xBF, data24m, 2); 3198 /* Set SLV-T Bank : 0x60 */ 3199 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 3200 cxd2841er_write_regs(priv, I2C_SLVT, 0xA8, data24m2, 3); 3201 3202 cxd2841er_sleep_tc_to_active_i_band(priv, bandwidth); 3203 /* Set SLV-T Bank : 0x00 */ 3204 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3205 /* Disable HiZ Setting 1 */ 3206 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 3207 /* Disable HiZ Setting 2 */ 3208 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 3209 priv->state = STATE_ACTIVE_TC; 3210 return 0; 3211 } 3212 3213 static int cxd2841er_sleep_tc_to_active_c(struct cxd2841er_priv *priv, 3214 u32 bandwidth) 3215 { 3216 u8 data[2] = { 0x09, 0x54 }; 3217 3218 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3219 cxd2841er_set_ts_clock_mode(priv, SYS_DVBC_ANNEX_A); 3220 /* Set SLV-X Bank : 0x00 */ 3221 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 3222 /* Set demod mode */ 3223 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x04); 3224 /* Set SLV-T Bank : 0x00 */ 3225 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3226 /* Enable demod clock */ 3227 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 3228 /* Disable RF level monitor */ 3229 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x00); 3230 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 3231 /* Enable ADC clock */ 3232 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 3233 /* Enable ADC 1 */ 3234 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 3235 /* xtal freq 20.5MHz */ 3236 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 3237 /* Enable ADC 4 */ 3238 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 3239 /* Set SLV-T Bank : 0x10 */ 3240 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3241 /* IFAGC gain settings */ 3242 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x09, 0x1f); 3243 /* Set SLV-T Bank : 0x11 */ 3244 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 3245 /* BBAGC TARGET level setting */ 3246 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x48); 3247 /* Set SLV-T Bank : 0x10 */ 3248 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3249 /* ASCOT setting */ 3250 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 3251 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 3252 /* Set SLV-T Bank : 0x40 */ 3253 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 3254 /* Demod setting */ 3255 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc3, 0x00, 0x04); 3256 /* Set SLV-T Bank : 0x00 */ 3257 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3258 /* TSIF setting */ 3259 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); 3260 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); 3261 3262 cxd2841er_sleep_tc_to_active_c_band(priv, bandwidth); 3263 /* Set SLV-T Bank : 0x00 */ 3264 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3265 /* Disable HiZ Setting 1 */ 3266 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 3267 /* Disable HiZ Setting 2 */ 3268 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 3269 priv->state = STATE_ACTIVE_TC; 3270 return 0; 3271 } 3272 3273 static int cxd2841er_get_frontend(struct dvb_frontend *fe, 3274 struct dtv_frontend_properties *p) 3275 { 3276 enum fe_status status = 0; 3277 struct cxd2841er_priv *priv = fe->demodulator_priv; 3278 3279 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3280 if (priv->state == STATE_ACTIVE_S) 3281 cxd2841er_read_status_s(fe, &status); 3282 else if (priv->state == STATE_ACTIVE_TC) 3283 cxd2841er_read_status_tc(fe, &status); 3284 3285 if (priv->state == STATE_ACTIVE_TC || priv->state == STATE_ACTIVE_S) 3286 cxd2841er_read_signal_strength(fe); 3287 else 3288 p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3289 3290 if (status & FE_HAS_LOCK) { 3291 cxd2841er_read_snr(fe); 3292 cxd2841er_read_ucblocks(fe); 3293 3294 cxd2841er_read_ber(fe); 3295 } else { 3296 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3297 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3298 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3299 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3300 } 3301 return 0; 3302 } 3303 3304 static int cxd2841er_set_frontend_s(struct dvb_frontend *fe) 3305 { 3306 int ret = 0, i, timeout, carr_offset; 3307 enum fe_status status; 3308 struct cxd2841er_priv *priv = fe->demodulator_priv; 3309 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3310 u32 symbol_rate = p->symbol_rate/1000; 3311 3312 dev_dbg(&priv->i2c->dev, "%s(): %s frequency=%d symbol_rate=%d xtal=%d\n", 3313 __func__, 3314 (p->delivery_system == SYS_DVBS ? "DVB-S" : "DVB-S2"), 3315 p->frequency, symbol_rate, priv->xtal); 3316 3317 if (priv->flags & CXD2841ER_EARLY_TUNE) 3318 cxd2841er_tuner_set(fe); 3319 3320 switch (priv->state) { 3321 case STATE_SLEEP_S: 3322 ret = cxd2841er_sleep_s_to_active_s( 3323 priv, p->delivery_system, symbol_rate); 3324 break; 3325 case STATE_ACTIVE_S: 3326 ret = cxd2841er_retune_active(priv, p); 3327 break; 3328 default: 3329 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3330 __func__, priv->state); 3331 ret = -EINVAL; 3332 goto done; 3333 } 3334 if (ret) { 3335 dev_dbg(&priv->i2c->dev, "%s(): tune failed\n", __func__); 3336 goto done; 3337 } 3338 3339 if (!(priv->flags & CXD2841ER_EARLY_TUNE)) 3340 cxd2841er_tuner_set(fe); 3341 3342 cxd2841er_tune_done(priv); 3343 timeout = ((3000000 + (symbol_rate - 1)) / symbol_rate) + 150; 3344 3345 i = 0; 3346 do { 3347 usleep_range(CXD2841ER_DVBS_POLLING_INVL*1000, 3348 (CXD2841ER_DVBS_POLLING_INVL + 2) * 1000); 3349 cxd2841er_read_status_s(fe, &status); 3350 if (status & FE_HAS_LOCK) 3351 break; 3352 i++; 3353 } while (i < timeout / CXD2841ER_DVBS_POLLING_INVL); 3354 3355 if (status & FE_HAS_LOCK) { 3356 if (cxd2841er_get_carrier_offset_s_s2( 3357 priv, &carr_offset)) { 3358 ret = -EINVAL; 3359 goto done; 3360 } 3361 dev_dbg(&priv->i2c->dev, "%s(): carrier_offset=%d\n", 3362 __func__, carr_offset); 3363 } 3364 done: 3365 /* Reset stats */ 3366 p->strength.stat[0].scale = FE_SCALE_RELATIVE; 3367 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3368 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3369 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3370 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3371 3372 return ret; 3373 } 3374 3375 static int cxd2841er_set_frontend_tc(struct dvb_frontend *fe) 3376 { 3377 int ret = 0, timeout; 3378 enum fe_status status; 3379 struct cxd2841er_priv *priv = fe->demodulator_priv; 3380 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3381 3382 dev_dbg(&priv->i2c->dev, "%s() delivery_system=%d bandwidth_hz=%d\n", 3383 __func__, p->delivery_system, p->bandwidth_hz); 3384 3385 if (priv->flags & CXD2841ER_EARLY_TUNE) 3386 cxd2841er_tuner_set(fe); 3387 3388 /* deconfigure/put demod to sleep on delsys switch if active */ 3389 if (priv->state == STATE_ACTIVE_TC && 3390 priv->system != p->delivery_system) { 3391 dev_dbg(&priv->i2c->dev, "%s(): old_delsys=%d, new_delsys=%d -> sleep\n", 3392 __func__, priv->system, p->delivery_system); 3393 cxd2841er_sleep_tc(fe); 3394 } 3395 3396 if (p->delivery_system == SYS_DVBT) { 3397 priv->system = SYS_DVBT; 3398 switch (priv->state) { 3399 case STATE_SLEEP_TC: 3400 ret = cxd2841er_sleep_tc_to_active_t( 3401 priv, p->bandwidth_hz); 3402 break; 3403 case STATE_ACTIVE_TC: 3404 ret = cxd2841er_retune_active(priv, p); 3405 break; 3406 default: 3407 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3408 __func__, priv->state); 3409 ret = -EINVAL; 3410 } 3411 } else if (p->delivery_system == SYS_DVBT2) { 3412 priv->system = SYS_DVBT2; 3413 cxd2841er_dvbt2_set_plp_config(priv, 3414 (int)(p->stream_id > 255), p->stream_id); 3415 cxd2841er_dvbt2_set_profile(priv, DVBT2_PROFILE_BASE); 3416 switch (priv->state) { 3417 case STATE_SLEEP_TC: 3418 ret = cxd2841er_sleep_tc_to_active_t2(priv, 3419 p->bandwidth_hz); 3420 break; 3421 case STATE_ACTIVE_TC: 3422 ret = cxd2841er_retune_active(priv, p); 3423 break; 3424 default: 3425 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3426 __func__, priv->state); 3427 ret = -EINVAL; 3428 } 3429 } else if (p->delivery_system == SYS_ISDBT) { 3430 priv->system = SYS_ISDBT; 3431 switch (priv->state) { 3432 case STATE_SLEEP_TC: 3433 ret = cxd2841er_sleep_tc_to_active_i( 3434 priv, p->bandwidth_hz); 3435 break; 3436 case STATE_ACTIVE_TC: 3437 ret = cxd2841er_retune_active(priv, p); 3438 break; 3439 default: 3440 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3441 __func__, priv->state); 3442 ret = -EINVAL; 3443 } 3444 } else if (p->delivery_system == SYS_DVBC_ANNEX_A || 3445 p->delivery_system == SYS_DVBC_ANNEX_C) { 3446 priv->system = SYS_DVBC_ANNEX_A; 3447 /* correct bandwidth */ 3448 if (p->bandwidth_hz != 6000000 && 3449 p->bandwidth_hz != 7000000 && 3450 p->bandwidth_hz != 8000000) { 3451 p->bandwidth_hz = 8000000; 3452 dev_dbg(&priv->i2c->dev, "%s(): forcing bandwidth to %d\n", 3453 __func__, p->bandwidth_hz); 3454 } 3455 3456 switch (priv->state) { 3457 case STATE_SLEEP_TC: 3458 ret = cxd2841er_sleep_tc_to_active_c( 3459 priv, p->bandwidth_hz); 3460 break; 3461 case STATE_ACTIVE_TC: 3462 ret = cxd2841er_retune_active(priv, p); 3463 break; 3464 default: 3465 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3466 __func__, priv->state); 3467 ret = -EINVAL; 3468 } 3469 } else { 3470 dev_dbg(&priv->i2c->dev, 3471 "%s(): invalid delivery system %d\n", 3472 __func__, p->delivery_system); 3473 ret = -EINVAL; 3474 } 3475 if (ret) 3476 goto done; 3477 3478 if (!(priv->flags & CXD2841ER_EARLY_TUNE)) 3479 cxd2841er_tuner_set(fe); 3480 3481 cxd2841er_tune_done(priv); 3482 3483 if (priv->flags & CXD2841ER_NO_WAIT_LOCK) 3484 goto done; 3485 3486 timeout = 2500; 3487 while (timeout > 0) { 3488 ret = cxd2841er_read_status_tc(fe, &status); 3489 if (ret) 3490 goto done; 3491 if (status & FE_HAS_LOCK) 3492 break; 3493 msleep(20); 3494 timeout -= 20; 3495 } 3496 if (timeout < 0) 3497 dev_dbg(&priv->i2c->dev, 3498 "%s(): LOCK wait timeout\n", __func__); 3499 done: 3500 return ret; 3501 } 3502 3503 static int cxd2841er_tune_s(struct dvb_frontend *fe, 3504 bool re_tune, 3505 unsigned int mode_flags, 3506 unsigned int *delay, 3507 enum fe_status *status) 3508 { 3509 int ret, carrier_offset; 3510 struct cxd2841er_priv *priv = fe->demodulator_priv; 3511 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3512 3513 dev_dbg(&priv->i2c->dev, "%s() re_tune=%d\n", __func__, re_tune); 3514 if (re_tune) { 3515 ret = cxd2841er_set_frontend_s(fe); 3516 if (ret) 3517 return ret; 3518 cxd2841er_read_status_s(fe, status); 3519 if (*status & FE_HAS_LOCK) { 3520 if (cxd2841er_get_carrier_offset_s_s2( 3521 priv, &carrier_offset)) 3522 return -EINVAL; 3523 p->frequency += carrier_offset; 3524 ret = cxd2841er_set_frontend_s(fe); 3525 if (ret) 3526 return ret; 3527 } 3528 } 3529 *delay = HZ / 5; 3530 return cxd2841er_read_status_s(fe, status); 3531 } 3532 3533 static int cxd2841er_tune_tc(struct dvb_frontend *fe, 3534 bool re_tune, 3535 unsigned int mode_flags, 3536 unsigned int *delay, 3537 enum fe_status *status) 3538 { 3539 int ret, carrier_offset; 3540 struct cxd2841er_priv *priv = fe->demodulator_priv; 3541 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3542 3543 dev_dbg(&priv->i2c->dev, "%s(): re_tune %d bandwidth=%d\n", __func__, 3544 re_tune, p->bandwidth_hz); 3545 if (re_tune) { 3546 ret = cxd2841er_set_frontend_tc(fe); 3547 if (ret) 3548 return ret; 3549 cxd2841er_read_status_tc(fe, status); 3550 if (*status & FE_HAS_LOCK) { 3551 switch (priv->system) { 3552 case SYS_ISDBT: 3553 ret = cxd2841er_get_carrier_offset_i( 3554 priv, p->bandwidth_hz, 3555 &carrier_offset); 3556 if (ret) 3557 return ret; 3558 break; 3559 case SYS_DVBT: 3560 ret = cxd2841er_get_carrier_offset_t( 3561 priv, p->bandwidth_hz, 3562 &carrier_offset); 3563 if (ret) 3564 return ret; 3565 break; 3566 case SYS_DVBT2: 3567 ret = cxd2841er_get_carrier_offset_t2( 3568 priv, p->bandwidth_hz, 3569 &carrier_offset); 3570 if (ret) 3571 return ret; 3572 break; 3573 case SYS_DVBC_ANNEX_A: 3574 ret = cxd2841er_get_carrier_offset_c( 3575 priv, &carrier_offset); 3576 if (ret) 3577 return ret; 3578 break; 3579 default: 3580 dev_dbg(&priv->i2c->dev, 3581 "%s(): invalid delivery system %d\n", 3582 __func__, priv->system); 3583 return -EINVAL; 3584 } 3585 dev_dbg(&priv->i2c->dev, "%s(): carrier offset %d\n", 3586 __func__, carrier_offset); 3587 p->frequency += carrier_offset; 3588 ret = cxd2841er_set_frontend_tc(fe); 3589 if (ret) 3590 return ret; 3591 } 3592 } 3593 *delay = HZ / 5; 3594 return cxd2841er_read_status_tc(fe, status); 3595 } 3596 3597 static int cxd2841er_sleep_s(struct dvb_frontend *fe) 3598 { 3599 struct cxd2841er_priv *priv = fe->demodulator_priv; 3600 3601 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3602 cxd2841er_active_s_to_sleep_s(fe->demodulator_priv); 3603 cxd2841er_sleep_s_to_shutdown(fe->demodulator_priv); 3604 return 0; 3605 } 3606 3607 static int cxd2841er_sleep_tc(struct dvb_frontend *fe) 3608 { 3609 struct cxd2841er_priv *priv = fe->demodulator_priv; 3610 3611 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3612 3613 if (priv->state == STATE_ACTIVE_TC) { 3614 switch (priv->system) { 3615 case SYS_DVBT: 3616 cxd2841er_active_t_to_sleep_tc(priv); 3617 break; 3618 case SYS_DVBT2: 3619 cxd2841er_active_t2_to_sleep_tc(priv); 3620 break; 3621 case SYS_ISDBT: 3622 cxd2841er_active_i_to_sleep_tc(priv); 3623 break; 3624 case SYS_DVBC_ANNEX_A: 3625 cxd2841er_active_c_to_sleep_tc(priv); 3626 break; 3627 default: 3628 dev_warn(&priv->i2c->dev, 3629 "%s(): unknown delivery system %d\n", 3630 __func__, priv->system); 3631 } 3632 } 3633 if (priv->state != STATE_SLEEP_TC) { 3634 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 3635 __func__, priv->state); 3636 return -EINVAL; 3637 } 3638 return 0; 3639 } 3640 3641 static int cxd2841er_shutdown_tc(struct dvb_frontend *fe) 3642 { 3643 struct cxd2841er_priv *priv = fe->demodulator_priv; 3644 3645 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3646 3647 if (!cxd2841er_sleep_tc(fe)) 3648 cxd2841er_sleep_tc_to_shutdown(priv); 3649 return 0; 3650 } 3651 3652 static int cxd2841er_send_burst(struct dvb_frontend *fe, 3653 enum fe_sec_mini_cmd burst) 3654 { 3655 u8 data; 3656 struct cxd2841er_priv *priv = fe->demodulator_priv; 3657 3658 dev_dbg(&priv->i2c->dev, "%s(): burst mode %s\n", __func__, 3659 (burst == SEC_MINI_A ? "A" : "B")); 3660 if (priv->state != STATE_SLEEP_S && 3661 priv->state != STATE_ACTIVE_S) { 3662 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", 3663 __func__, priv->state); 3664 return -EINVAL; 3665 } 3666 data = (burst == SEC_MINI_A ? 0 : 1); 3667 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); 3668 cxd2841er_write_reg(priv, I2C_SLVT, 0x34, 0x01); 3669 cxd2841er_write_reg(priv, I2C_SLVT, 0x35, data); 3670 return 0; 3671 } 3672 3673 static int cxd2841er_set_tone(struct dvb_frontend *fe, 3674 enum fe_sec_tone_mode tone) 3675 { 3676 u8 data; 3677 struct cxd2841er_priv *priv = fe->demodulator_priv; 3678 3679 dev_dbg(&priv->i2c->dev, "%s(): tone %s\n", __func__, 3680 (tone == SEC_TONE_ON ? "On" : "Off")); 3681 if (priv->state != STATE_SLEEP_S && 3682 priv->state != STATE_ACTIVE_S) { 3683 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", 3684 __func__, priv->state); 3685 return -EINVAL; 3686 } 3687 data = (tone == SEC_TONE_ON ? 1 : 0); 3688 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); 3689 cxd2841er_write_reg(priv, I2C_SLVT, 0x36, data); 3690 return 0; 3691 } 3692 3693 static int cxd2841er_send_diseqc_msg(struct dvb_frontend *fe, 3694 struct dvb_diseqc_master_cmd *cmd) 3695 { 3696 int i; 3697 u8 data[12]; 3698 struct cxd2841er_priv *priv = fe->demodulator_priv; 3699 3700 if (priv->state != STATE_SLEEP_S && 3701 priv->state != STATE_ACTIVE_S) { 3702 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", 3703 __func__, priv->state); 3704 return -EINVAL; 3705 } 3706 dev_dbg(&priv->i2c->dev, 3707 "%s(): cmd->len %d\n", __func__, cmd->msg_len); 3708 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); 3709 /* DiDEqC enable */ 3710 cxd2841er_write_reg(priv, I2C_SLVT, 0x33, 0x01); 3711 /* cmd1 length & data */ 3712 cxd2841er_write_reg(priv, I2C_SLVT, 0x3d, cmd->msg_len); 3713 memset(data, 0, sizeof(data)); 3714 for (i = 0; i < cmd->msg_len && i < sizeof(data); i++) 3715 data[i] = cmd->msg[i]; 3716 cxd2841er_write_regs(priv, I2C_SLVT, 0x3e, data, sizeof(data)); 3717 /* repeat count for cmd1 */ 3718 cxd2841er_write_reg(priv, I2C_SLVT, 0x37, 1); 3719 /* repeat count for cmd2: always 0 */ 3720 cxd2841er_write_reg(priv, I2C_SLVT, 0x38, 0); 3721 /* start transmit */ 3722 cxd2841er_write_reg(priv, I2C_SLVT, 0x32, 0x01); 3723 /* wait for 1 sec timeout */ 3724 for (i = 0; i < 50; i++) { 3725 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, data); 3726 if (!data[0]) { 3727 dev_dbg(&priv->i2c->dev, 3728 "%s(): DiSEqC cmd has been sent\n", __func__); 3729 return 0; 3730 } 3731 msleep(20); 3732 } 3733 dev_dbg(&priv->i2c->dev, 3734 "%s(): DiSEqC cmd transmit timeout\n", __func__); 3735 return -ETIMEDOUT; 3736 } 3737 3738 static void cxd2841er_release(struct dvb_frontend *fe) 3739 { 3740 struct cxd2841er_priv *priv = fe->demodulator_priv; 3741 3742 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3743 kfree(priv); 3744 } 3745 3746 static int cxd2841er_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) 3747 { 3748 struct cxd2841er_priv *priv = fe->demodulator_priv; 3749 3750 dev_dbg(&priv->i2c->dev, "%s(): enable=%d\n", __func__, enable); 3751 cxd2841er_set_reg_bits( 3752 priv, I2C_SLVX, 0x8, (enable ? 0x01 : 0x00), 0x01); 3753 return 0; 3754 } 3755 3756 static enum dvbfe_algo cxd2841er_get_algo(struct dvb_frontend *fe) 3757 { 3758 struct cxd2841er_priv *priv = fe->demodulator_priv; 3759 3760 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3761 return DVBFE_ALGO_HW; 3762 } 3763 3764 static void cxd2841er_init_stats(struct dvb_frontend *fe) 3765 { 3766 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3767 3768 p->strength.len = 1; 3769 p->strength.stat[0].scale = FE_SCALE_RELATIVE; 3770 p->cnr.len = 1; 3771 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3772 p->block_error.len = 1; 3773 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3774 p->post_bit_error.len = 1; 3775 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3776 p->post_bit_count.len = 1; 3777 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3778 } 3779 3780 3781 static int cxd2841er_init_s(struct dvb_frontend *fe) 3782 { 3783 struct cxd2841er_priv *priv = fe->demodulator_priv; 3784 3785 /* sanity. force demod to SHUTDOWN state */ 3786 if (priv->state == STATE_SLEEP_S) { 3787 dev_dbg(&priv->i2c->dev, "%s() forcing sleep->shutdown\n", 3788 __func__); 3789 cxd2841er_sleep_s_to_shutdown(priv); 3790 } else if (priv->state == STATE_ACTIVE_S) { 3791 dev_dbg(&priv->i2c->dev, "%s() forcing active->sleep->shutdown\n", 3792 __func__); 3793 cxd2841er_active_s_to_sleep_s(priv); 3794 cxd2841er_sleep_s_to_shutdown(priv); 3795 } 3796 3797 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3798 cxd2841er_shutdown_to_sleep_s(priv); 3799 /* SONY_DEMOD_CONFIG_SAT_IFAGCNEG set to 1 */ 3800 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 3801 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xb9, 0x01, 0x01); 3802 3803 cxd2841er_init_stats(fe); 3804 3805 return 0; 3806 } 3807 3808 static int cxd2841er_init_tc(struct dvb_frontend *fe) 3809 { 3810 struct cxd2841er_priv *priv = fe->demodulator_priv; 3811 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3812 3813 dev_dbg(&priv->i2c->dev, "%s() bandwidth_hz=%d\n", 3814 __func__, p->bandwidth_hz); 3815 cxd2841er_shutdown_to_sleep_tc(priv); 3816 /* SONY_DEMOD_CONFIG_IFAGCNEG = 1 (0 for NO_AGCNEG */ 3817 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3818 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcb, 3819 ((priv->flags & CXD2841ER_NO_AGCNEG) ? 0x00 : 0x40), 0x40); 3820 /* SONY_DEMOD_CONFIG_IFAGC_ADC_FS = 0 */ 3821 cxd2841er_write_reg(priv, I2C_SLVT, 0xcd, 0x50); 3822 /* SONY_DEMOD_CONFIG_PARALLEL_SEL = 1 */ 3823 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3824 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 3825 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x80 : 0x00), 0x80); 3826 3827 /* clear TSCFG bits 3+4 */ 3828 if (priv->flags & CXD2841ER_TSBITS) 3829 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 0x00, 0x18); 3830 3831 cxd2841er_init_stats(fe); 3832 3833 return 0; 3834 } 3835 3836 static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops; 3837 static struct dvb_frontend_ops cxd2841er_t_c_ops; 3838 3839 static struct dvb_frontend *cxd2841er_attach(struct cxd2841er_config *cfg, 3840 struct i2c_adapter *i2c, 3841 u8 system) 3842 { 3843 u8 chip_id = 0; 3844 const char *type; 3845 const char *name; 3846 struct cxd2841er_priv *priv = NULL; 3847 3848 /* allocate memory for the internal state */ 3849 priv = kzalloc(sizeof(struct cxd2841er_priv), GFP_KERNEL); 3850 if (!priv) 3851 return NULL; 3852 priv->i2c = i2c; 3853 priv->config = cfg; 3854 priv->i2c_addr_slvx = (cfg->i2c_addr + 4) >> 1; 3855 priv->i2c_addr_slvt = (cfg->i2c_addr) >> 1; 3856 priv->xtal = cfg->xtal; 3857 priv->flags = cfg->flags; 3858 priv->frontend.demodulator_priv = priv; 3859 dev_info(&priv->i2c->dev, 3860 "%s(): I2C adapter %p SLVX addr %x SLVT addr %x\n", 3861 __func__, priv->i2c, 3862 priv->i2c_addr_slvx, priv->i2c_addr_slvt); 3863 chip_id = cxd2841er_chip_id(priv); 3864 switch (chip_id) { 3865 case CXD2837ER_CHIP_ID: 3866 snprintf(cxd2841er_t_c_ops.info.name, 128, 3867 "Sony CXD2837ER DVB-T/T2/C demodulator"); 3868 name = "CXD2837ER"; 3869 type = "C/T/T2"; 3870 break; 3871 case CXD2838ER_CHIP_ID: 3872 snprintf(cxd2841er_t_c_ops.info.name, 128, 3873 "Sony CXD2838ER ISDB-T demodulator"); 3874 cxd2841er_t_c_ops.delsys[0] = SYS_ISDBT; 3875 cxd2841er_t_c_ops.delsys[1] = SYS_UNDEFINED; 3876 cxd2841er_t_c_ops.delsys[2] = SYS_UNDEFINED; 3877 name = "CXD2838ER"; 3878 type = "ISDB-T"; 3879 break; 3880 case CXD2841ER_CHIP_ID: 3881 snprintf(cxd2841er_t_c_ops.info.name, 128, 3882 "Sony CXD2841ER DVB-T/T2/C demodulator"); 3883 name = "CXD2841ER"; 3884 type = "T/T2/C/ISDB-T"; 3885 break; 3886 case CXD2843ER_CHIP_ID: 3887 snprintf(cxd2841er_t_c_ops.info.name, 128, 3888 "Sony CXD2843ER DVB-T/T2/C/C2 demodulator"); 3889 name = "CXD2843ER"; 3890 type = "C/C2/T/T2"; 3891 break; 3892 case CXD2854ER_CHIP_ID: 3893 snprintf(cxd2841er_t_c_ops.info.name, 128, 3894 "Sony CXD2854ER DVB-T/T2/C and ISDB-T demodulator"); 3895 cxd2841er_t_c_ops.delsys[3] = SYS_ISDBT; 3896 name = "CXD2854ER"; 3897 type = "C/C2/T/T2/ISDB-T"; 3898 break; 3899 default: 3900 dev_err(&priv->i2c->dev, "%s(): invalid chip ID 0x%02x\n", 3901 __func__, chip_id); 3902 priv->frontend.demodulator_priv = NULL; 3903 kfree(priv); 3904 return NULL; 3905 } 3906 3907 /* create dvb_frontend */ 3908 if (system == SYS_DVBS) { 3909 memcpy(&priv->frontend.ops, 3910 &cxd2841er_dvbs_s2_ops, 3911 sizeof(struct dvb_frontend_ops)); 3912 type = "S/S2"; 3913 } else { 3914 memcpy(&priv->frontend.ops, 3915 &cxd2841er_t_c_ops, 3916 sizeof(struct dvb_frontend_ops)); 3917 } 3918 3919 dev_info(&priv->i2c->dev, 3920 "%s(): attaching %s DVB-%s frontend\n", 3921 __func__, name, type); 3922 dev_info(&priv->i2c->dev, "%s(): chip ID 0x%02x OK.\n", 3923 __func__, chip_id); 3924 return &priv->frontend; 3925 } 3926 3927 struct dvb_frontend *cxd2841er_attach_s(struct cxd2841er_config *cfg, 3928 struct i2c_adapter *i2c) 3929 { 3930 return cxd2841er_attach(cfg, i2c, SYS_DVBS); 3931 } 3932 EXPORT_SYMBOL(cxd2841er_attach_s); 3933 3934 struct dvb_frontend *cxd2841er_attach_t_c(struct cxd2841er_config *cfg, 3935 struct i2c_adapter *i2c) 3936 { 3937 return cxd2841er_attach(cfg, i2c, 0); 3938 } 3939 EXPORT_SYMBOL(cxd2841er_attach_t_c); 3940 3941 static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops = { 3942 .delsys = { SYS_DVBS, SYS_DVBS2 }, 3943 .info = { 3944 .name = "Sony CXD2841ER DVB-S/S2 demodulator", 3945 .frequency_min = 500000, 3946 .frequency_max = 2500000, 3947 .frequency_stepsize = 0, 3948 .symbol_rate_min = 1000000, 3949 .symbol_rate_max = 45000000, 3950 .symbol_rate_tolerance = 500, 3951 .caps = FE_CAN_INVERSION_AUTO | 3952 FE_CAN_FEC_AUTO | 3953 FE_CAN_QPSK, 3954 }, 3955 .init = cxd2841er_init_s, 3956 .sleep = cxd2841er_sleep_s, 3957 .release = cxd2841er_release, 3958 .set_frontend = cxd2841er_set_frontend_s, 3959 .get_frontend = cxd2841er_get_frontend, 3960 .read_status = cxd2841er_read_status_s, 3961 .i2c_gate_ctrl = cxd2841er_i2c_gate_ctrl, 3962 .get_frontend_algo = cxd2841er_get_algo, 3963 .set_tone = cxd2841er_set_tone, 3964 .diseqc_send_burst = cxd2841er_send_burst, 3965 .diseqc_send_master_cmd = cxd2841er_send_diseqc_msg, 3966 .tune = cxd2841er_tune_s 3967 }; 3968 3969 static struct dvb_frontend_ops cxd2841er_t_c_ops = { 3970 .delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A }, 3971 .info = { 3972 .name = "", /* will set in attach function */ 3973 .caps = FE_CAN_FEC_1_2 | 3974 FE_CAN_FEC_2_3 | 3975 FE_CAN_FEC_3_4 | 3976 FE_CAN_FEC_5_6 | 3977 FE_CAN_FEC_7_8 | 3978 FE_CAN_FEC_AUTO | 3979 FE_CAN_QPSK | 3980 FE_CAN_QAM_16 | 3981 FE_CAN_QAM_32 | 3982 FE_CAN_QAM_64 | 3983 FE_CAN_QAM_128 | 3984 FE_CAN_QAM_256 | 3985 FE_CAN_QAM_AUTO | 3986 FE_CAN_TRANSMISSION_MODE_AUTO | 3987 FE_CAN_GUARD_INTERVAL_AUTO | 3988 FE_CAN_HIERARCHY_AUTO | 3989 FE_CAN_MUTE_TS | 3990 FE_CAN_2G_MODULATION, 3991 .frequency_min = 42000000, 3992 .frequency_max = 1002000000, 3993 .symbol_rate_min = 870000, 3994 .symbol_rate_max = 11700000 3995 }, 3996 .init = cxd2841er_init_tc, 3997 .sleep = cxd2841er_shutdown_tc, 3998 .release = cxd2841er_release, 3999 .set_frontend = cxd2841er_set_frontend_tc, 4000 .get_frontend = cxd2841er_get_frontend, 4001 .read_status = cxd2841er_read_status_tc, 4002 .tune = cxd2841er_tune_tc, 4003 .i2c_gate_ctrl = cxd2841er_i2c_gate_ctrl, 4004 .get_frontend_algo = cxd2841er_get_algo 4005 }; 4006 4007 MODULE_DESCRIPTION("Sony CXD2837/38/41/43/54ER DVB-C/C2/T/T2/S/S2 demodulator driver"); 4008 MODULE_AUTHOR("Sergey Kozlov <serjk@netup.ru>, Abylay Ospan <aospan@netup.ru>"); 4009 MODULE_LICENSE("GPL"); 4010