1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * cxd2841er.c 4 * 5 * Sony digital demodulator driver for 6 * CXD2841ER - DVB-S/S2/T/T2/C/C2 7 * CXD2854ER - DVB-S/S2/T/T2/C/C2, ISDB-T/S 8 * 9 * Copyright 2012 Sony Corporation 10 * Copyright (C) 2014 NetUP Inc. 11 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> 12 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> 13 */ 14 15 #include <linux/module.h> 16 #include <linux/init.h> 17 #include <linux/string.h> 18 #include <linux/slab.h> 19 #include <linux/bitops.h> 20 #include <linux/math64.h> 21 #include <linux/log2.h> 22 #include <linux/dynamic_debug.h> 23 #include <linux/kernel.h> 24 25 #include <linux/int_log.h> 26 #include <media/dvb_frontend.h> 27 #include "cxd2841er.h" 28 #include "cxd2841er_priv.h" 29 30 #define MAX_WRITE_REGSIZE 16 31 #define LOG2_E_100X 144 32 33 #define INTLOG10X100(x) ((u32) (((u64) intlog10(x) * 100) >> 24)) 34 35 /* DVB-C constellation */ 36 enum sony_dvbc_constellation_t { 37 SONY_DVBC_CONSTELLATION_16QAM, 38 SONY_DVBC_CONSTELLATION_32QAM, 39 SONY_DVBC_CONSTELLATION_64QAM, 40 SONY_DVBC_CONSTELLATION_128QAM, 41 SONY_DVBC_CONSTELLATION_256QAM 42 }; 43 44 enum cxd2841er_state { 45 STATE_SHUTDOWN = 0, 46 STATE_SLEEP_S, 47 STATE_ACTIVE_S, 48 STATE_SLEEP_TC, 49 STATE_ACTIVE_TC 50 }; 51 52 struct cxd2841er_priv { 53 struct dvb_frontend frontend; 54 struct i2c_adapter *i2c; 55 u8 i2c_addr_slvx; 56 u8 i2c_addr_slvt; 57 const struct cxd2841er_config *config; 58 enum cxd2841er_state state; 59 u8 system; 60 enum cxd2841er_xtal xtal; 61 enum fe_caps caps; 62 u32 flags; 63 unsigned long stats_time; 64 }; 65 66 static const struct cxd2841er_cnr_data s_cn_data[] = { 67 { 0x033e, 0 }, { 0x0339, 100 }, { 0x0333, 200 }, 68 { 0x032e, 300 }, { 0x0329, 400 }, { 0x0324, 500 }, 69 { 0x031e, 600 }, { 0x0319, 700 }, { 0x0314, 800 }, 70 { 0x030f, 900 }, { 0x030a, 1000 }, { 0x02ff, 1100 }, 71 { 0x02f4, 1200 }, { 0x02e9, 1300 }, { 0x02de, 1400 }, 72 { 0x02d4, 1500 }, { 0x02c9, 1600 }, { 0x02bf, 1700 }, 73 { 0x02b5, 1800 }, { 0x02ab, 1900 }, { 0x02a1, 2000 }, 74 { 0x029b, 2100 }, { 0x0295, 2200 }, { 0x0290, 2300 }, 75 { 0x028a, 2400 }, { 0x0284, 2500 }, { 0x027f, 2600 }, 76 { 0x0279, 2700 }, { 0x0274, 2800 }, { 0x026e, 2900 }, 77 { 0x0269, 3000 }, { 0x0262, 3100 }, { 0x025c, 3200 }, 78 { 0x0255, 3300 }, { 0x024f, 3400 }, { 0x0249, 3500 }, 79 { 0x0242, 3600 }, { 0x023c, 3700 }, { 0x0236, 3800 }, 80 { 0x0230, 3900 }, { 0x022a, 4000 }, { 0x0223, 4100 }, 81 { 0x021c, 4200 }, { 0x0215, 4300 }, { 0x020e, 4400 }, 82 { 0x0207, 4500 }, { 0x0201, 4600 }, { 0x01fa, 4700 }, 83 { 0x01f4, 4800 }, { 0x01ed, 4900 }, { 0x01e7, 5000 }, 84 { 0x01e0, 5100 }, { 0x01d9, 5200 }, { 0x01d2, 5300 }, 85 { 0x01cb, 5400 }, { 0x01c4, 5500 }, { 0x01be, 5600 }, 86 { 0x01b7, 5700 }, { 0x01b1, 5800 }, { 0x01aa, 5900 }, 87 { 0x01a4, 6000 }, { 0x019d, 6100 }, { 0x0196, 6200 }, 88 { 0x018f, 6300 }, { 0x0189, 6400 }, { 0x0182, 6500 }, 89 { 0x017c, 6600 }, { 0x0175, 6700 }, { 0x016f, 6800 }, 90 { 0x0169, 6900 }, { 0x0163, 7000 }, { 0x015c, 7100 }, 91 { 0x0156, 7200 }, { 0x0150, 7300 }, { 0x014a, 7400 }, 92 { 0x0144, 7500 }, { 0x013e, 7600 }, { 0x0138, 7700 }, 93 { 0x0132, 7800 }, { 0x012d, 7900 }, { 0x0127, 8000 }, 94 { 0x0121, 8100 }, { 0x011c, 8200 }, { 0x0116, 8300 }, 95 { 0x0111, 8400 }, { 0x010b, 8500 }, { 0x0106, 8600 }, 96 { 0x0101, 8700 }, { 0x00fc, 8800 }, { 0x00f7, 8900 }, 97 { 0x00f2, 9000 }, { 0x00ee, 9100 }, { 0x00ea, 9200 }, 98 { 0x00e6, 9300 }, { 0x00e2, 9400 }, { 0x00de, 9500 }, 99 { 0x00da, 9600 }, { 0x00d7, 9700 }, { 0x00d3, 9800 }, 100 { 0x00d0, 9900 }, { 0x00cc, 10000 }, { 0x00c7, 10100 }, 101 { 0x00c3, 10200 }, { 0x00bf, 10300 }, { 0x00ba, 10400 }, 102 { 0x00b6, 10500 }, { 0x00b2, 10600 }, { 0x00ae, 10700 }, 103 { 0x00aa, 10800 }, { 0x00a7, 10900 }, { 0x00a3, 11000 }, 104 { 0x009f, 11100 }, { 0x009c, 11200 }, { 0x0098, 11300 }, 105 { 0x0094, 11400 }, { 0x0091, 11500 }, { 0x008e, 11600 }, 106 { 0x008a, 11700 }, { 0x0087, 11800 }, { 0x0084, 11900 }, 107 { 0x0081, 12000 }, { 0x007e, 12100 }, { 0x007b, 12200 }, 108 { 0x0079, 12300 }, { 0x0076, 12400 }, { 0x0073, 12500 }, 109 { 0x0071, 12600 }, { 0x006e, 12700 }, { 0x006c, 12800 }, 110 { 0x0069, 12900 }, { 0x0067, 13000 }, { 0x0065, 13100 }, 111 { 0x0062, 13200 }, { 0x0060, 13300 }, { 0x005e, 13400 }, 112 { 0x005c, 13500 }, { 0x005a, 13600 }, { 0x0058, 13700 }, 113 { 0x0056, 13800 }, { 0x0054, 13900 }, { 0x0052, 14000 }, 114 { 0x0050, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 }, 115 { 0x004b, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 }, 116 { 0x0046, 14700 }, { 0x0044, 14800 }, { 0x0043, 14900 }, 117 { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 }, 118 { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 }, 119 { 0x0037, 15700 }, { 0x0036, 15800 }, { 0x0034, 15900 }, 120 { 0x0033, 16000 }, { 0x0032, 16100 }, { 0x0031, 16200 }, 121 { 0x0030, 16300 }, { 0x002f, 16400 }, { 0x002e, 16500 }, 122 { 0x002d, 16600 }, { 0x002c, 16700 }, { 0x002b, 16800 }, 123 { 0x002a, 16900 }, { 0x0029, 17000 }, { 0x0028, 17100 }, 124 { 0x0027, 17200 }, { 0x0026, 17300 }, { 0x0025, 17400 }, 125 { 0x0024, 17500 }, { 0x0023, 17600 }, { 0x0022, 17800 }, 126 { 0x0021, 17900 }, { 0x0020, 18000 }, { 0x001f, 18200 }, 127 { 0x001e, 18300 }, { 0x001d, 18500 }, { 0x001c, 18700 }, 128 { 0x001b, 18900 }, { 0x001a, 19000 }, { 0x0019, 19200 }, 129 { 0x0018, 19300 }, { 0x0017, 19500 }, { 0x0016, 19700 }, 130 { 0x0015, 19900 }, { 0x0014, 20000 }, 131 }; 132 133 static const struct cxd2841er_cnr_data s2_cn_data[] = { 134 { 0x05af, 0 }, { 0x0597, 100 }, { 0x057e, 200 }, 135 { 0x0567, 300 }, { 0x0550, 400 }, { 0x0539, 500 }, 136 { 0x0522, 600 }, { 0x050c, 700 }, { 0x04f6, 800 }, 137 { 0x04e1, 900 }, { 0x04cc, 1000 }, { 0x04b6, 1100 }, 138 { 0x04a1, 1200 }, { 0x048c, 1300 }, { 0x0477, 1400 }, 139 { 0x0463, 1500 }, { 0x044f, 1600 }, { 0x043c, 1700 }, 140 { 0x0428, 1800 }, { 0x0416, 1900 }, { 0x0403, 2000 }, 141 { 0x03ef, 2100 }, { 0x03dc, 2200 }, { 0x03c9, 2300 }, 142 { 0x03b6, 2400 }, { 0x03a4, 2500 }, { 0x0392, 2600 }, 143 { 0x0381, 2700 }, { 0x036f, 2800 }, { 0x035f, 2900 }, 144 { 0x034e, 3000 }, { 0x033d, 3100 }, { 0x032d, 3200 }, 145 { 0x031d, 3300 }, { 0x030d, 3400 }, { 0x02fd, 3500 }, 146 { 0x02ee, 3600 }, { 0x02df, 3700 }, { 0x02d0, 3800 }, 147 { 0x02c2, 3900 }, { 0x02b4, 4000 }, { 0x02a6, 4100 }, 148 { 0x0299, 4200 }, { 0x028c, 4300 }, { 0x027f, 4400 }, 149 { 0x0272, 4500 }, { 0x0265, 4600 }, { 0x0259, 4700 }, 150 { 0x024d, 4800 }, { 0x0241, 4900 }, { 0x0236, 5000 }, 151 { 0x022b, 5100 }, { 0x0220, 5200 }, { 0x0215, 5300 }, 152 { 0x020a, 5400 }, { 0x0200, 5500 }, { 0x01f6, 5600 }, 153 { 0x01ec, 5700 }, { 0x01e2, 5800 }, { 0x01d8, 5900 }, 154 { 0x01cf, 6000 }, { 0x01c6, 6100 }, { 0x01bc, 6200 }, 155 { 0x01b3, 6300 }, { 0x01aa, 6400 }, { 0x01a2, 6500 }, 156 { 0x0199, 6600 }, { 0x0191, 6700 }, { 0x0189, 6800 }, 157 { 0x0181, 6900 }, { 0x0179, 7000 }, { 0x0171, 7100 }, 158 { 0x0169, 7200 }, { 0x0161, 7300 }, { 0x015a, 7400 }, 159 { 0x0153, 7500 }, { 0x014b, 7600 }, { 0x0144, 7700 }, 160 { 0x013d, 7800 }, { 0x0137, 7900 }, { 0x0130, 8000 }, 161 { 0x012a, 8100 }, { 0x0124, 8200 }, { 0x011e, 8300 }, 162 { 0x0118, 8400 }, { 0x0112, 8500 }, { 0x010c, 8600 }, 163 { 0x0107, 8700 }, { 0x0101, 8800 }, { 0x00fc, 8900 }, 164 { 0x00f7, 9000 }, { 0x00f2, 9100 }, { 0x00ec, 9200 }, 165 { 0x00e7, 9300 }, { 0x00e2, 9400 }, { 0x00dd, 9500 }, 166 { 0x00d8, 9600 }, { 0x00d4, 9700 }, { 0x00cf, 9800 }, 167 { 0x00ca, 9900 }, { 0x00c6, 10000 }, { 0x00c2, 10100 }, 168 { 0x00be, 10200 }, { 0x00b9, 10300 }, { 0x00b5, 10400 }, 169 { 0x00b1, 10500 }, { 0x00ae, 10600 }, { 0x00aa, 10700 }, 170 { 0x00a6, 10800 }, { 0x00a3, 10900 }, { 0x009f, 11000 }, 171 { 0x009b, 11100 }, { 0x0098, 11200 }, { 0x0095, 11300 }, 172 { 0x0091, 11400 }, { 0x008e, 11500 }, { 0x008b, 11600 }, 173 { 0x0088, 11700 }, { 0x0085, 11800 }, { 0x0082, 11900 }, 174 { 0x007f, 12000 }, { 0x007c, 12100 }, { 0x007a, 12200 }, 175 { 0x0077, 12300 }, { 0x0074, 12400 }, { 0x0072, 12500 }, 176 { 0x006f, 12600 }, { 0x006d, 12700 }, { 0x006b, 12800 }, 177 { 0x0068, 12900 }, { 0x0066, 13000 }, { 0x0064, 13100 }, 178 { 0x0061, 13200 }, { 0x005f, 13300 }, { 0x005d, 13400 }, 179 { 0x005b, 13500 }, { 0x0059, 13600 }, { 0x0057, 13700 }, 180 { 0x0055, 13800 }, { 0x0053, 13900 }, { 0x0051, 14000 }, 181 { 0x004f, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 }, 182 { 0x004a, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 }, 183 { 0x0045, 14700 }, { 0x0044, 14800 }, { 0x0042, 14900 }, 184 { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 }, 185 { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 }, 186 { 0x0038, 15600 }, { 0x0037, 15700 }, { 0x0036, 15800 }, 187 { 0x0034, 15900 }, { 0x0033, 16000 }, { 0x0032, 16100 }, 188 { 0x0031, 16200 }, { 0x0030, 16300 }, { 0x002f, 16400 }, 189 { 0x002e, 16500 }, { 0x002d, 16600 }, { 0x002c, 16700 }, 190 { 0x002b, 16800 }, { 0x002a, 16900 }, { 0x0029, 17000 }, 191 { 0x0028, 17100 }, { 0x0027, 17200 }, { 0x0026, 17300 }, 192 { 0x0025, 17400 }, { 0x0024, 17500 }, { 0x0023, 17600 }, 193 { 0x0022, 17800 }, { 0x0021, 17900 }, { 0x0020, 18000 }, 194 { 0x001f, 18200 }, { 0x001e, 18300 }, { 0x001d, 18500 }, 195 { 0x001c, 18700 }, { 0x001b, 18900 }, { 0x001a, 19000 }, 196 { 0x0019, 19200 }, { 0x0018, 19300 }, { 0x0017, 19500 }, 197 { 0x0016, 19700 }, { 0x0015, 19900 }, { 0x0014, 20000 }, 198 }; 199 200 static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv); 201 static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv); 202 203 static void cxd2841er_i2c_debug(struct cxd2841er_priv *priv, 204 u8 addr, u8 reg, u8 write, 205 const u8 *data, u32 len) 206 { 207 dev_dbg(&priv->i2c->dev, 208 "cxd2841er: I2C %s addr %02x reg 0x%02x size %d data %*ph\n", 209 (write == 0 ? "read" : "write"), addr, reg, len, len, data); 210 } 211 212 static int cxd2841er_write_regs(struct cxd2841er_priv *priv, 213 u8 addr, u8 reg, const u8 *data, u32 len) 214 { 215 int ret; 216 u8 buf[MAX_WRITE_REGSIZE + 1]; 217 u8 i2c_addr = (addr == I2C_SLVX ? 218 priv->i2c_addr_slvx : priv->i2c_addr_slvt); 219 struct i2c_msg msg[1] = { 220 { 221 .addr = i2c_addr, 222 .flags = 0, 223 .len = len + 1, 224 .buf = buf, 225 } 226 }; 227 228 if (len + 1 >= sizeof(buf)) { 229 dev_warn(&priv->i2c->dev, "wr reg=%04x: len=%d is too big!\n", 230 reg, len + 1); 231 return -E2BIG; 232 } 233 234 cxd2841er_i2c_debug(priv, i2c_addr, reg, 1, data, len); 235 buf[0] = reg; 236 memcpy(&buf[1], data, len); 237 238 ret = i2c_transfer(priv->i2c, msg, 1); 239 if (ret >= 0 && ret != 1) 240 ret = -EIO; 241 if (ret < 0) { 242 dev_warn(&priv->i2c->dev, 243 "%s: i2c wr failed=%d addr=%02x reg=%02x len=%d\n", 244 KBUILD_MODNAME, ret, i2c_addr, reg, len); 245 return ret; 246 } 247 return 0; 248 } 249 250 static int cxd2841er_write_reg(struct cxd2841er_priv *priv, 251 u8 addr, u8 reg, u8 val) 252 { 253 u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */ 254 255 return cxd2841er_write_regs(priv, addr, reg, &tmp, 1); 256 } 257 258 static int cxd2841er_read_regs(struct cxd2841er_priv *priv, 259 u8 addr, u8 reg, u8 *val, u32 len) 260 { 261 int ret; 262 u8 i2c_addr = (addr == I2C_SLVX ? 263 priv->i2c_addr_slvx : priv->i2c_addr_slvt); 264 struct i2c_msg msg[2] = { 265 { 266 .addr = i2c_addr, 267 .flags = 0, 268 .len = 1, 269 .buf = ®, 270 }, { 271 .addr = i2c_addr, 272 .flags = I2C_M_RD, 273 .len = len, 274 .buf = val, 275 } 276 }; 277 278 ret = i2c_transfer(priv->i2c, msg, 2); 279 if (ret >= 0 && ret != 2) 280 ret = -EIO; 281 if (ret < 0) { 282 dev_warn(&priv->i2c->dev, 283 "%s: i2c rd failed=%d addr=%02x reg=%02x\n", 284 KBUILD_MODNAME, ret, i2c_addr, reg); 285 return ret; 286 } 287 cxd2841er_i2c_debug(priv, i2c_addr, reg, 0, val, len); 288 return 0; 289 } 290 291 static int cxd2841er_read_reg(struct cxd2841er_priv *priv, 292 u8 addr, u8 reg, u8 *val) 293 { 294 return cxd2841er_read_regs(priv, addr, reg, val, 1); 295 } 296 297 static int cxd2841er_set_reg_bits(struct cxd2841er_priv *priv, 298 u8 addr, u8 reg, u8 data, u8 mask) 299 { 300 int res; 301 u8 rdata; 302 303 if (mask != 0xff) { 304 res = cxd2841er_read_reg(priv, addr, reg, &rdata); 305 if (res) 306 return res; 307 data = ((data & mask) | (rdata & (mask ^ 0xFF))); 308 } 309 return cxd2841er_write_reg(priv, addr, reg, data); 310 } 311 312 static u32 cxd2841er_calc_iffreq_xtal(enum cxd2841er_xtal xtal, u32 ifhz) 313 { 314 return div_u64(ifhz * 16777216ull, 315 (xtal == SONY_XTAL_24000) ? 48000000 : 41000000); 316 } 317 318 static u32 cxd2841er_calc_iffreq(u32 ifhz) 319 { 320 return cxd2841er_calc_iffreq_xtal(SONY_XTAL_20500, ifhz); 321 } 322 323 static int cxd2841er_get_if_hz(struct cxd2841er_priv *priv, u32 def_hz) 324 { 325 u32 hz; 326 327 if (priv->frontend.ops.tuner_ops.get_if_frequency 328 && (priv->flags & CXD2841ER_AUTO_IFHZ)) 329 priv->frontend.ops.tuner_ops.get_if_frequency( 330 &priv->frontend, &hz); 331 else 332 hz = def_hz; 333 334 return hz; 335 } 336 337 static int cxd2841er_tuner_set(struct dvb_frontend *fe) 338 { 339 struct cxd2841er_priv *priv = fe->demodulator_priv; 340 341 if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl) 342 fe->ops.i2c_gate_ctrl(fe, 1); 343 if (fe->ops.tuner_ops.set_params) 344 fe->ops.tuner_ops.set_params(fe); 345 if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl) 346 fe->ops.i2c_gate_ctrl(fe, 0); 347 348 return 0; 349 } 350 351 static int cxd2841er_dvbs2_set_symbol_rate(struct cxd2841er_priv *priv, 352 u32 symbol_rate) 353 { 354 u32 reg_value = 0; 355 u8 data[3] = {0, 0, 0}; 356 357 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 358 /* 359 * regValue = (symbolRateKSps * 2^14 / 1000) + 0.5 360 * = ((symbolRateKSps * 2^14) + 500) / 1000 361 * = ((symbolRateKSps * 16384) + 500) / 1000 362 */ 363 reg_value = DIV_ROUND_CLOSEST(symbol_rate * 16384, 1000); 364 if ((reg_value == 0) || (reg_value > 0xFFFFF)) { 365 dev_err(&priv->i2c->dev, 366 "%s(): reg_value is out of range\n", __func__); 367 return -EINVAL; 368 } 369 data[0] = (u8)((reg_value >> 16) & 0x0F); 370 data[1] = (u8)((reg_value >> 8) & 0xFF); 371 data[2] = (u8)(reg_value & 0xFF); 372 /* Set SLV-T Bank : 0xAE */ 373 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); 374 cxd2841er_write_regs(priv, I2C_SLVT, 0x20, data, 3); 375 return 0; 376 } 377 378 static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv, 379 u8 system); 380 381 static int cxd2841er_sleep_s_to_active_s(struct cxd2841er_priv *priv, 382 u8 system, u32 symbol_rate) 383 { 384 int ret; 385 u8 data[4] = { 0, 0, 0, 0 }; 386 387 if (priv->state != STATE_SLEEP_S) { 388 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 389 __func__, (int)priv->state); 390 return -EINVAL; 391 } 392 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 393 cxd2841er_set_ts_clock_mode(priv, SYS_DVBS); 394 /* Set demod mode */ 395 if (system == SYS_DVBS) { 396 data[0] = 0x0A; 397 } else if (system == SYS_DVBS2) { 398 data[0] = 0x0B; 399 } else { 400 dev_err(&priv->i2c->dev, "%s(): invalid delsys %d\n", 401 __func__, system); 402 return -EINVAL; 403 } 404 /* Set SLV-X Bank : 0x00 */ 405 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 406 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, data[0]); 407 /* DVB-S/S2 */ 408 data[0] = 0x00; 409 /* Set SLV-T Bank : 0x00 */ 410 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 411 /* Enable S/S2 auto detection 1 */ 412 cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, data[0]); 413 /* Set SLV-T Bank : 0xAE */ 414 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); 415 /* Enable S/S2 auto detection 2 */ 416 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, data[0]); 417 /* Set SLV-T Bank : 0x00 */ 418 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 419 /* Enable demod clock */ 420 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 421 /* Enable ADC clock */ 422 cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x01); 423 /* Enable ADC 1 */ 424 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 425 /* Enable ADC 2 */ 426 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x3f); 427 /* Set SLV-X Bank : 0x00 */ 428 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 429 /* Enable ADC 3 */ 430 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 431 /* Set SLV-T Bank : 0xA3 */ 432 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa3); 433 cxd2841er_write_reg(priv, I2C_SLVT, 0xac, 0x00); 434 data[0] = 0x07; 435 data[1] = 0x3B; 436 data[2] = 0x08; 437 data[3] = 0xC5; 438 /* Set SLV-T Bank : 0xAB */ 439 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xab); 440 cxd2841er_write_regs(priv, I2C_SLVT, 0x98, data, 4); 441 data[0] = 0x05; 442 data[1] = 0x80; 443 data[2] = 0x0A; 444 data[3] = 0x80; 445 cxd2841er_write_regs(priv, I2C_SLVT, 0xa8, data, 4); 446 data[0] = 0x0C; 447 data[1] = 0xCC; 448 cxd2841er_write_regs(priv, I2C_SLVT, 0xc3, data, 2); 449 /* Set demod parameter */ 450 ret = cxd2841er_dvbs2_set_symbol_rate(priv, symbol_rate); 451 if (ret != 0) 452 return ret; 453 /* Set SLV-T Bank : 0x00 */ 454 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 455 /* disable Hi-Z setting 1 */ 456 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x10); 457 /* disable Hi-Z setting 2 */ 458 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 459 priv->state = STATE_ACTIVE_S; 460 return 0; 461 } 462 463 static int cxd2841er_sleep_tc_to_active_t_band(struct cxd2841er_priv *priv, 464 u32 bandwidth); 465 466 static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv, 467 u32 bandwidth); 468 469 static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv, 470 u32 bandwidth); 471 472 static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv, 473 u32 bandwidth); 474 475 static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv); 476 477 static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv); 478 479 static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv); 480 481 static int cxd2841er_sleep_tc(struct dvb_frontend *fe); 482 483 static int cxd2841er_retune_active(struct cxd2841er_priv *priv, 484 struct dtv_frontend_properties *p) 485 { 486 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 487 if (priv->state != STATE_ACTIVE_S && 488 priv->state != STATE_ACTIVE_TC) { 489 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 490 __func__, priv->state); 491 return -EINVAL; 492 } 493 /* Set SLV-T Bank : 0x00 */ 494 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 495 /* disable TS output */ 496 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 497 if (priv->state == STATE_ACTIVE_S) 498 return cxd2841er_dvbs2_set_symbol_rate( 499 priv, p->symbol_rate / 1000); 500 else if (priv->state == STATE_ACTIVE_TC) { 501 switch (priv->system) { 502 case SYS_DVBT: 503 return cxd2841er_sleep_tc_to_active_t_band( 504 priv, p->bandwidth_hz); 505 case SYS_DVBT2: 506 return cxd2841er_sleep_tc_to_active_t2_band( 507 priv, p->bandwidth_hz); 508 case SYS_DVBC_ANNEX_A: 509 return cxd2841er_sleep_tc_to_active_c_band( 510 priv, p->bandwidth_hz); 511 case SYS_ISDBT: 512 cxd2841er_active_i_to_sleep_tc(priv); 513 cxd2841er_sleep_tc_to_shutdown(priv); 514 cxd2841er_shutdown_to_sleep_tc(priv); 515 return cxd2841er_sleep_tc_to_active_i( 516 priv, p->bandwidth_hz); 517 } 518 } 519 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 520 __func__, priv->system); 521 return -EINVAL; 522 } 523 524 static int cxd2841er_active_s_to_sleep_s(struct cxd2841er_priv *priv) 525 { 526 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 527 if (priv->state != STATE_ACTIVE_S) { 528 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 529 __func__, priv->state); 530 return -EINVAL; 531 } 532 /* Set SLV-T Bank : 0x00 */ 533 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 534 /* disable TS output */ 535 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 536 /* enable Hi-Z setting 1 */ 537 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1f); 538 /* enable Hi-Z setting 2 */ 539 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 540 /* Set SLV-X Bank : 0x00 */ 541 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 542 /* disable ADC 1 */ 543 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 544 /* Set SLV-T Bank : 0x00 */ 545 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 546 /* disable ADC clock */ 547 cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x00); 548 /* disable ADC 2 */ 549 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 550 /* disable ADC 3 */ 551 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); 552 /* SADC Bias ON */ 553 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); 554 /* disable demod clock */ 555 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 556 /* Set SLV-T Bank : 0xAE */ 557 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); 558 /* disable S/S2 auto detection1 */ 559 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 560 /* Set SLV-T Bank : 0x00 */ 561 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 562 /* disable S/S2 auto detection2 */ 563 cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, 0x00); 564 priv->state = STATE_SLEEP_S; 565 return 0; 566 } 567 568 static int cxd2841er_sleep_s_to_shutdown(struct cxd2841er_priv *priv) 569 { 570 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 571 if (priv->state != STATE_SLEEP_S) { 572 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 573 __func__, priv->state); 574 return -EINVAL; 575 } 576 /* Set SLV-T Bank : 0x00 */ 577 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 578 /* Disable DSQOUT */ 579 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 580 /* Disable DSQIN */ 581 cxd2841er_write_reg(priv, I2C_SLVT, 0x9c, 0x00); 582 /* Set SLV-X Bank : 0x00 */ 583 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 584 /* Disable oscillator */ 585 cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01); 586 /* Set demod mode */ 587 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); 588 priv->state = STATE_SHUTDOWN; 589 return 0; 590 } 591 592 static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv) 593 { 594 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 595 if (priv->state != STATE_SLEEP_TC) { 596 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 597 __func__, priv->state); 598 return -EINVAL; 599 } 600 /* Set SLV-X Bank : 0x00 */ 601 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 602 /* Disable oscillator */ 603 cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01); 604 /* Set demod mode */ 605 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); 606 priv->state = STATE_SHUTDOWN; 607 return 0; 608 } 609 610 static int cxd2841er_active_t_to_sleep_tc(struct cxd2841er_priv *priv) 611 { 612 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 613 if (priv->state != STATE_ACTIVE_TC) { 614 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 615 __func__, priv->state); 616 return -EINVAL; 617 } 618 /* Set SLV-T Bank : 0x00 */ 619 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 620 /* disable TS output */ 621 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 622 /* enable Hi-Z setting 1 */ 623 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 624 /* enable Hi-Z setting 2 */ 625 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 626 /* Set SLV-X Bank : 0x00 */ 627 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 628 /* disable ADC 1 */ 629 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 630 /* Set SLV-T Bank : 0x00 */ 631 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 632 /* Disable ADC 2 */ 633 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 634 /* Disable ADC 3 */ 635 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 636 /* Disable ADC clock */ 637 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 638 /* Disable RF level monitor */ 639 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 640 /* Disable demod clock */ 641 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 642 priv->state = STATE_SLEEP_TC; 643 return 0; 644 } 645 646 static int cxd2841er_active_t2_to_sleep_tc(struct cxd2841er_priv *priv) 647 { 648 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 649 if (priv->state != STATE_ACTIVE_TC) { 650 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 651 __func__, priv->state); 652 return -EINVAL; 653 } 654 /* Set SLV-T Bank : 0x00 */ 655 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 656 /* disable TS output */ 657 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 658 /* enable Hi-Z setting 1 */ 659 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 660 /* enable Hi-Z setting 2 */ 661 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 662 /* Cancel DVB-T2 setting */ 663 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); 664 cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x40); 665 cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x21); 666 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f); 667 cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xfb); 668 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a); 669 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x00, 0x0f); 670 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 671 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x00, 0x3f); 672 /* Set SLV-X Bank : 0x00 */ 673 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 674 /* disable ADC 1 */ 675 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 676 /* Set SLV-T Bank : 0x00 */ 677 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 678 /* Disable ADC 2 */ 679 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 680 /* Disable ADC 3 */ 681 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 682 /* Disable ADC clock */ 683 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 684 /* Disable RF level monitor */ 685 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 686 /* Disable demod clock */ 687 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 688 priv->state = STATE_SLEEP_TC; 689 return 0; 690 } 691 692 static int cxd2841er_active_c_to_sleep_tc(struct cxd2841er_priv *priv) 693 { 694 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 695 if (priv->state != STATE_ACTIVE_TC) { 696 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 697 __func__, priv->state); 698 return -EINVAL; 699 } 700 /* Set SLV-T Bank : 0x00 */ 701 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 702 /* disable TS output */ 703 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 704 /* enable Hi-Z setting 1 */ 705 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 706 /* enable Hi-Z setting 2 */ 707 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 708 /* Cancel DVB-C setting */ 709 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 710 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa3, 0x00, 0x1f); 711 /* Set SLV-X Bank : 0x00 */ 712 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 713 /* disable ADC 1 */ 714 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 715 /* Set SLV-T Bank : 0x00 */ 716 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 717 /* Disable ADC 2 */ 718 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 719 /* Disable ADC 3 */ 720 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 721 /* Disable ADC clock */ 722 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 723 /* Disable RF level monitor */ 724 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 725 /* Disable demod clock */ 726 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 727 priv->state = STATE_SLEEP_TC; 728 return 0; 729 } 730 731 static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv) 732 { 733 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 734 if (priv->state != STATE_ACTIVE_TC) { 735 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 736 __func__, priv->state); 737 return -EINVAL; 738 } 739 /* Set SLV-T Bank : 0x00 */ 740 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 741 /* disable TS output */ 742 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); 743 /* enable Hi-Z setting 1 */ 744 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); 745 /* enable Hi-Z setting 2 */ 746 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); 747 748 /* TODO: Cancel demod parameter */ 749 750 /* Set SLV-X Bank : 0x00 */ 751 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 752 /* disable ADC 1 */ 753 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); 754 /* Set SLV-T Bank : 0x00 */ 755 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 756 /* Disable ADC 2 */ 757 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 758 /* Disable ADC 3 */ 759 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 760 /* Disable ADC clock */ 761 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 762 /* Disable RF level monitor */ 763 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 764 /* Disable demod clock */ 765 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); 766 priv->state = STATE_SLEEP_TC; 767 return 0; 768 } 769 770 static int cxd2841er_shutdown_to_sleep_s(struct cxd2841er_priv *priv) 771 { 772 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 773 if (priv->state != STATE_SHUTDOWN) { 774 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 775 __func__, priv->state); 776 return -EINVAL; 777 } 778 /* Set SLV-X Bank : 0x00 */ 779 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 780 /* Clear all demodulator registers */ 781 cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00); 782 usleep_range(3000, 5000); 783 /* Set SLV-X Bank : 0x00 */ 784 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 785 /* Set demod SW reset */ 786 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01); 787 788 switch (priv->xtal) { 789 case SONY_XTAL_20500: 790 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x00); 791 break; 792 case SONY_XTAL_24000: 793 /* Select demod frequency */ 794 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00); 795 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x03); 796 break; 797 case SONY_XTAL_41000: 798 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x01); 799 break; 800 default: 801 dev_dbg(&priv->i2c->dev, "%s(): invalid demod xtal %d\n", 802 __func__, priv->xtal); 803 return -EINVAL; 804 } 805 806 /* Set demod mode */ 807 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x0a); 808 /* Clear demod SW reset */ 809 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00); 810 usleep_range(1000, 2000); 811 /* Set SLV-T Bank : 0x00 */ 812 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 813 /* enable DSQOUT */ 814 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1F); 815 /* enable DSQIN */ 816 cxd2841er_write_reg(priv, I2C_SLVT, 0x9C, 0x40); 817 /* TADC Bias On */ 818 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 819 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 820 /* SADC Bias On */ 821 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 822 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); 823 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); 824 priv->state = STATE_SLEEP_S; 825 return 0; 826 } 827 828 static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv) 829 { 830 u8 data = 0; 831 832 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 833 if (priv->state != STATE_SHUTDOWN) { 834 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", 835 __func__, priv->state); 836 return -EINVAL; 837 } 838 /* Set SLV-X Bank : 0x00 */ 839 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 840 /* Clear all demodulator registers */ 841 cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00); 842 usleep_range(3000, 5000); 843 /* Set SLV-X Bank : 0x00 */ 844 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 845 /* Set demod SW reset */ 846 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01); 847 /* Select ADC clock mode */ 848 cxd2841er_write_reg(priv, I2C_SLVX, 0x13, 0x00); 849 850 switch (priv->xtal) { 851 case SONY_XTAL_20500: 852 data = 0x0; 853 break; 854 case SONY_XTAL_24000: 855 /* Select demod frequency */ 856 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00); 857 data = 0x3; 858 break; 859 case SONY_XTAL_41000: 860 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00); 861 data = 0x1; 862 break; 863 } 864 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, data); 865 /* Clear demod SW reset */ 866 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00); 867 usleep_range(1000, 2000); 868 /* Set SLV-T Bank : 0x00 */ 869 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 870 /* TADC Bias On */ 871 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); 872 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); 873 /* SADC Bias On */ 874 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); 875 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); 876 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); 877 priv->state = STATE_SLEEP_TC; 878 return 0; 879 } 880 881 static int cxd2841er_tune_done(struct cxd2841er_priv *priv) 882 { 883 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 884 /* Set SLV-T Bank : 0x00 */ 885 cxd2841er_write_reg(priv, I2C_SLVT, 0, 0); 886 /* SW Reset */ 887 cxd2841er_write_reg(priv, I2C_SLVT, 0xfe, 0x01); 888 /* Enable TS output */ 889 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x00); 890 return 0; 891 } 892 893 /* Set TS parallel mode */ 894 static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv, 895 u8 system) 896 { 897 u8 serial_ts, ts_rate_ctrl_off, ts_in_off; 898 899 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 900 /* Set SLV-T Bank : 0x00 */ 901 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 902 cxd2841er_read_reg(priv, I2C_SLVT, 0xc4, &serial_ts); 903 cxd2841er_read_reg(priv, I2C_SLVT, 0xd3, &ts_rate_ctrl_off); 904 cxd2841er_read_reg(priv, I2C_SLVT, 0xde, &ts_in_off); 905 dev_dbg(&priv->i2c->dev, "%s(): ser_ts=0x%02x rate_ctrl_off=0x%02x in_off=0x%02x\n", 906 __func__, serial_ts, ts_rate_ctrl_off, ts_in_off); 907 908 /* 909 * slave Bank Addr Bit default Name 910 * <SLV-T> 00h C4h [1:0] 2'b?? OSERCKMODE 911 */ 912 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 913 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03); 914 /* 915 * slave Bank Addr Bit default Name 916 * <SLV-T> 00h D1h [1:0] 2'b?? OSERDUTYMODE 917 */ 918 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd1, 919 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03); 920 /* 921 * slave Bank Addr Bit default Name 922 * <SLV-T> 00h D9h [7:0] 8'h08 OTSCKPERIOD 923 */ 924 cxd2841er_write_reg(priv, I2C_SLVT, 0xd9, 0x08); 925 /* 926 * Disable TS IF Clock 927 * slave Bank Addr Bit default Name 928 * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN 929 */ 930 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x00, 0x01); 931 /* 932 * slave Bank Addr Bit default Name 933 * <SLV-T> 00h 33h [1:0] 2'b01 OREG_CKSEL_TSIF 934 */ 935 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x33, 936 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03); 937 /* 938 * Enable 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, 0x01, 0x01); 943 944 if (system == SYS_DVBT) { 945 /* Enable parity period for DVB-T */ 946 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 947 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01); 948 } else if (system == SYS_DVBC_ANNEX_A) { 949 /* Enable parity period for DVB-C */ 950 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 951 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01); 952 } 953 } 954 955 static u8 cxd2841er_chip_id(struct cxd2841er_priv *priv) 956 { 957 u8 chip_id = 0; 958 959 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 960 if (cxd2841er_write_reg(priv, I2C_SLVT, 0, 0) == 0) 961 cxd2841er_read_reg(priv, I2C_SLVT, 0xfd, &chip_id); 962 else if (cxd2841er_write_reg(priv, I2C_SLVX, 0, 0) == 0) 963 cxd2841er_read_reg(priv, I2C_SLVX, 0xfd, &chip_id); 964 965 return chip_id; 966 } 967 968 static int cxd2841er_read_status_s(struct dvb_frontend *fe, 969 enum fe_status *status) 970 { 971 u8 reg = 0; 972 struct cxd2841er_priv *priv = fe->demodulator_priv; 973 974 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 975 *status = 0; 976 if (priv->state != STATE_ACTIVE_S) { 977 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 978 __func__, priv->state); 979 return -EINVAL; 980 } 981 /* Set SLV-T Bank : 0xA0 */ 982 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 983 /* 984 * slave Bank Addr Bit Signal name 985 * <SLV-T> A0h 11h [2] ITSLOCK 986 */ 987 cxd2841er_read_reg(priv, I2C_SLVT, 0x11, ®); 988 if (reg & 0x04) { 989 *status = FE_HAS_SIGNAL 990 | FE_HAS_CARRIER 991 | FE_HAS_VITERBI 992 | FE_HAS_SYNC 993 | FE_HAS_LOCK; 994 } 995 dev_dbg(&priv->i2c->dev, "%s(): result 0x%x\n", __func__, *status); 996 return 0; 997 } 998 999 static int cxd2841er_read_status_t_t2(struct cxd2841er_priv *priv, 1000 u8 *sync, u8 *tslock, u8 *unlock) 1001 { 1002 u8 data = 0; 1003 1004 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1005 if (priv->state != STATE_ACTIVE_TC) 1006 return -EINVAL; 1007 if (priv->system == SYS_DVBT) { 1008 /* Set SLV-T Bank : 0x10 */ 1009 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1010 } else { 1011 /* Set SLV-T Bank : 0x20 */ 1012 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1013 } 1014 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); 1015 if ((data & 0x07) == 0x07) { 1016 dev_dbg(&priv->i2c->dev, 1017 "%s(): invalid hardware state detected\n", __func__); 1018 *sync = 0; 1019 *tslock = 0; 1020 *unlock = 0; 1021 } else { 1022 *sync = ((data & 0x07) == 0x6 ? 1 : 0); 1023 *tslock = ((data & 0x20) ? 1 : 0); 1024 *unlock = ((data & 0x10) ? 1 : 0); 1025 } 1026 return 0; 1027 } 1028 1029 static int cxd2841er_read_status_c(struct cxd2841er_priv *priv, u8 *tslock) 1030 { 1031 u8 data; 1032 1033 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1034 if (priv->state != STATE_ACTIVE_TC) 1035 return -EINVAL; 1036 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1037 cxd2841er_read_reg(priv, I2C_SLVT, 0x88, &data); 1038 if ((data & 0x01) == 0) { 1039 *tslock = 0; 1040 } else { 1041 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); 1042 *tslock = ((data & 0x20) ? 1 : 0); 1043 } 1044 return 0; 1045 } 1046 1047 static int cxd2841er_read_status_i(struct cxd2841er_priv *priv, 1048 u8 *sync, u8 *tslock, u8 *unlock) 1049 { 1050 u8 data = 0; 1051 1052 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1053 if (priv->state != STATE_ACTIVE_TC) 1054 return -EINVAL; 1055 /* Set SLV-T Bank : 0x60 */ 1056 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1057 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); 1058 dev_dbg(&priv->i2c->dev, 1059 "%s(): lock=0x%x\n", __func__, data); 1060 *sync = ((data & 0x02) ? 1 : 0); 1061 *tslock = ((data & 0x01) ? 1 : 0); 1062 *unlock = ((data & 0x10) ? 1 : 0); 1063 return 0; 1064 } 1065 1066 static int cxd2841er_read_status_tc(struct dvb_frontend *fe, 1067 enum fe_status *status) 1068 { 1069 int ret = 0; 1070 u8 sync = 0; 1071 u8 tslock = 0; 1072 u8 unlock = 0; 1073 struct cxd2841er_priv *priv = fe->demodulator_priv; 1074 1075 *status = 0; 1076 if (priv->state == STATE_ACTIVE_TC) { 1077 if (priv->system == SYS_DVBT || priv->system == SYS_DVBT2) { 1078 ret = cxd2841er_read_status_t_t2( 1079 priv, &sync, &tslock, &unlock); 1080 if (ret) 1081 goto done; 1082 if (unlock) 1083 goto done; 1084 if (sync) 1085 *status = FE_HAS_SIGNAL | 1086 FE_HAS_CARRIER | 1087 FE_HAS_VITERBI | 1088 FE_HAS_SYNC; 1089 if (tslock) 1090 *status |= FE_HAS_LOCK; 1091 } else if (priv->system == SYS_ISDBT) { 1092 ret = cxd2841er_read_status_i( 1093 priv, &sync, &tslock, &unlock); 1094 if (ret) 1095 goto done; 1096 if (unlock) 1097 goto done; 1098 if (sync) 1099 *status = FE_HAS_SIGNAL | 1100 FE_HAS_CARRIER | 1101 FE_HAS_VITERBI | 1102 FE_HAS_SYNC; 1103 if (tslock) 1104 *status |= FE_HAS_LOCK; 1105 } else if (priv->system == SYS_DVBC_ANNEX_A) { 1106 ret = cxd2841er_read_status_c(priv, &tslock); 1107 if (ret) 1108 goto done; 1109 if (tslock) 1110 *status = FE_HAS_SIGNAL | 1111 FE_HAS_CARRIER | 1112 FE_HAS_VITERBI | 1113 FE_HAS_SYNC | 1114 FE_HAS_LOCK; 1115 } 1116 } 1117 done: 1118 dev_dbg(&priv->i2c->dev, "%s(): status 0x%x\n", __func__, *status); 1119 return ret; 1120 } 1121 1122 static int cxd2841er_get_carrier_offset_s_s2(struct cxd2841er_priv *priv, 1123 int *offset) 1124 { 1125 u8 data[3]; 1126 u8 is_hs_mode; 1127 s32 cfrl_ctrlval; 1128 s32 temp_div, temp_q, temp_r; 1129 1130 if (priv->state != STATE_ACTIVE_S) { 1131 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1132 __func__, priv->state); 1133 return -EINVAL; 1134 } 1135 /* 1136 * Get High Sampling Rate mode 1137 * slave Bank Addr Bit Signal name 1138 * <SLV-T> A0h 10h [0] ITRL_LOCK 1139 */ 1140 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1141 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data[0]); 1142 if (data[0] & 0x01) { 1143 /* 1144 * slave Bank Addr Bit Signal name 1145 * <SLV-T> A0h 50h [4] IHSMODE 1146 */ 1147 cxd2841er_read_reg(priv, I2C_SLVT, 0x50, &data[0]); 1148 is_hs_mode = (data[0] & 0x10 ? 1 : 0); 1149 } else { 1150 dev_dbg(&priv->i2c->dev, 1151 "%s(): unable to detect sampling rate mode\n", 1152 __func__); 1153 return -EINVAL; 1154 } 1155 /* 1156 * slave Bank Addr Bit Signal name 1157 * <SLV-T> A0h 45h [4:0] ICFRL_CTRLVAL[20:16] 1158 * <SLV-T> A0h 46h [7:0] ICFRL_CTRLVAL[15:8] 1159 * <SLV-T> A0h 47h [7:0] ICFRL_CTRLVAL[7:0] 1160 */ 1161 cxd2841er_read_regs(priv, I2C_SLVT, 0x45, data, 3); 1162 cfrl_ctrlval = sign_extend32((((u32)data[0] & 0x1F) << 16) | 1163 (((u32)data[1] & 0xFF) << 8) | 1164 ((u32)data[2] & 0xFF), 20); 1165 temp_div = (is_hs_mode ? 1048576 : 1572864); 1166 if (cfrl_ctrlval > 0) { 1167 temp_q = div_s64_rem(97375LL * cfrl_ctrlval, 1168 temp_div, &temp_r); 1169 } else { 1170 temp_q = div_s64_rem(-97375LL * cfrl_ctrlval, 1171 temp_div, &temp_r); 1172 } 1173 if (temp_r >= temp_div / 2) 1174 temp_q++; 1175 if (cfrl_ctrlval > 0) 1176 temp_q *= -1; 1177 *offset = temp_q; 1178 return 0; 1179 } 1180 1181 static int cxd2841er_get_carrier_offset_i(struct cxd2841er_priv *priv, 1182 u32 bandwidth, int *offset) 1183 { 1184 u8 data[4]; 1185 1186 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1187 if (priv->state != STATE_ACTIVE_TC) { 1188 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1189 __func__, priv->state); 1190 return -EINVAL; 1191 } 1192 if (priv->system != SYS_ISDBT) { 1193 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1194 __func__, priv->system); 1195 return -EINVAL; 1196 } 1197 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1198 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); 1199 *offset = -1 * sign_extend32( 1200 ((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) | 1201 ((u32)data[2] << 8) | (u32)data[3], 29); 1202 1203 switch (bandwidth) { 1204 case 6000000: 1205 *offset = -1 * ((*offset) * 8/264); 1206 break; 1207 case 7000000: 1208 *offset = -1 * ((*offset) * 8/231); 1209 break; 1210 case 8000000: 1211 *offset = -1 * ((*offset) * 8/198); 1212 break; 1213 default: 1214 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", 1215 __func__, bandwidth); 1216 return -EINVAL; 1217 } 1218 1219 dev_dbg(&priv->i2c->dev, "%s(): bandwidth %d offset %d\n", 1220 __func__, bandwidth, *offset); 1221 1222 return 0; 1223 } 1224 1225 static int cxd2841er_get_carrier_offset_t(struct cxd2841er_priv *priv, 1226 u32 bandwidth, int *offset) 1227 { 1228 u8 data[4]; 1229 1230 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1231 if (priv->state != STATE_ACTIVE_TC) { 1232 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1233 __func__, priv->state); 1234 return -EINVAL; 1235 } 1236 if (priv->system != SYS_DVBT) { 1237 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1238 __func__, priv->system); 1239 return -EINVAL; 1240 } 1241 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1242 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); 1243 *offset = -1 * sign_extend32( 1244 ((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) | 1245 ((u32)data[2] << 8) | (u32)data[3], 29); 1246 *offset *= (bandwidth / 1000000); 1247 *offset /= 235; 1248 return 0; 1249 } 1250 1251 static int cxd2841er_get_carrier_offset_t2(struct cxd2841er_priv *priv, 1252 u32 bandwidth, int *offset) 1253 { 1254 u8 data[4]; 1255 1256 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1257 if (priv->state != STATE_ACTIVE_TC) { 1258 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1259 __func__, priv->state); 1260 return -EINVAL; 1261 } 1262 if (priv->system != SYS_DVBT2) { 1263 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1264 __func__, priv->system); 1265 return -EINVAL; 1266 } 1267 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1268 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); 1269 *offset = -1 * sign_extend32( 1270 ((u32)(data[0] & 0x0F) << 24) | ((u32)data[1] << 16) | 1271 ((u32)data[2] << 8) | (u32)data[3], 27); 1272 switch (bandwidth) { 1273 case 1712000: 1274 *offset /= 582; 1275 break; 1276 case 5000000: 1277 case 6000000: 1278 case 7000000: 1279 case 8000000: 1280 *offset *= (bandwidth / 1000000); 1281 *offset /= 940; 1282 break; 1283 default: 1284 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", 1285 __func__, bandwidth); 1286 return -EINVAL; 1287 } 1288 return 0; 1289 } 1290 1291 static int cxd2841er_get_carrier_offset_c(struct cxd2841er_priv *priv, 1292 int *offset) 1293 { 1294 u8 data[2]; 1295 1296 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1297 if (priv->state != STATE_ACTIVE_TC) { 1298 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1299 __func__, priv->state); 1300 return -EINVAL; 1301 } 1302 if (priv->system != SYS_DVBC_ANNEX_A) { 1303 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", 1304 __func__, priv->system); 1305 return -EINVAL; 1306 } 1307 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1308 cxd2841er_read_regs(priv, I2C_SLVT, 0x15, data, sizeof(data)); 1309 *offset = div_s64(41000LL * sign_extend32((((u32)data[0] & 0x3f) << 8) 1310 | (u32)data[1], 13), 16384); 1311 return 0; 1312 } 1313 1314 static int cxd2841er_read_packet_errors_c( 1315 struct cxd2841er_priv *priv, u32 *penum) 1316 { 1317 u8 data[3]; 1318 1319 *penum = 0; 1320 if (priv->state != STATE_ACTIVE_TC) { 1321 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1322 __func__, priv->state); 1323 return -EINVAL; 1324 } 1325 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1326 cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data)); 1327 if (data[2] & 0x01) 1328 *penum = ((u32)data[0] << 8) | (u32)data[1]; 1329 return 0; 1330 } 1331 1332 static int cxd2841er_read_packet_errors_t( 1333 struct cxd2841er_priv *priv, u32 *penum) 1334 { 1335 u8 data[3]; 1336 1337 *penum = 0; 1338 if (priv->state != STATE_ACTIVE_TC) { 1339 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1340 __func__, priv->state); 1341 return -EINVAL; 1342 } 1343 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1344 cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data)); 1345 if (data[2] & 0x01) 1346 *penum = ((u32)data[0] << 8) | (u32)data[1]; 1347 return 0; 1348 } 1349 1350 static int cxd2841er_read_packet_errors_t2( 1351 struct cxd2841er_priv *priv, u32 *penum) 1352 { 1353 u8 data[3]; 1354 1355 *penum = 0; 1356 if (priv->state != STATE_ACTIVE_TC) { 1357 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1358 __func__, priv->state); 1359 return -EINVAL; 1360 } 1361 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24); 1362 cxd2841er_read_regs(priv, I2C_SLVT, 0xfd, data, sizeof(data)); 1363 if (data[0] & 0x01) 1364 *penum = ((u32)data[1] << 8) | (u32)data[2]; 1365 return 0; 1366 } 1367 1368 static int cxd2841er_read_packet_errors_i( 1369 struct cxd2841er_priv *priv, u32 *penum) 1370 { 1371 u8 data[2]; 1372 1373 *penum = 0; 1374 if (priv->state != STATE_ACTIVE_TC) { 1375 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1376 __func__, priv->state); 1377 return -EINVAL; 1378 } 1379 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1380 cxd2841er_read_regs(priv, I2C_SLVT, 0xA1, data, 1); 1381 1382 if (!(data[0] & 0x01)) 1383 return 0; 1384 1385 /* Layer A */ 1386 cxd2841er_read_regs(priv, I2C_SLVT, 0xA2, data, sizeof(data)); 1387 *penum = ((u32)data[0] << 8) | (u32)data[1]; 1388 1389 /* Layer B */ 1390 cxd2841er_read_regs(priv, I2C_SLVT, 0xA4, data, sizeof(data)); 1391 *penum += ((u32)data[0] << 8) | (u32)data[1]; 1392 1393 /* Layer C */ 1394 cxd2841er_read_regs(priv, I2C_SLVT, 0xA6, data, sizeof(data)); 1395 *penum += ((u32)data[0] << 8) | (u32)data[1]; 1396 1397 return 0; 1398 } 1399 1400 static int cxd2841er_read_ber_c(struct cxd2841er_priv *priv, 1401 u32 *bit_error, u32 *bit_count) 1402 { 1403 u8 data[3]; 1404 u32 bit_err, period_exp; 1405 1406 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1407 if (priv->state != STATE_ACTIVE_TC) { 1408 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1409 __func__, priv->state); 1410 return -EINVAL; 1411 } 1412 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1413 cxd2841er_read_regs(priv, I2C_SLVT, 0x62, data, sizeof(data)); 1414 if (!(data[0] & 0x80)) { 1415 dev_dbg(&priv->i2c->dev, 1416 "%s(): no valid BER data\n", __func__); 1417 return -EINVAL; 1418 } 1419 bit_err = ((u32)(data[0] & 0x3f) << 16) | 1420 ((u32)data[1] << 8) | 1421 (u32)data[2]; 1422 cxd2841er_read_reg(priv, I2C_SLVT, 0x60, data); 1423 period_exp = data[0] & 0x1f; 1424 1425 if ((period_exp <= 11) && (bit_err > (1 << period_exp) * 204 * 8)) { 1426 dev_dbg(&priv->i2c->dev, 1427 "%s(): period_exp(%u) or bit_err(%u) not in range. no valid BER data\n", 1428 __func__, period_exp, bit_err); 1429 return -EINVAL; 1430 } 1431 1432 dev_dbg(&priv->i2c->dev, 1433 "%s(): period_exp(%u) or bit_err(%u) count=%d\n", 1434 __func__, period_exp, bit_err, 1435 ((1 << period_exp) * 204 * 8)); 1436 1437 *bit_error = bit_err; 1438 *bit_count = ((1 << period_exp) * 204 * 8); 1439 1440 return 0; 1441 } 1442 1443 static int cxd2841er_read_ber_i(struct cxd2841er_priv *priv, 1444 u32 *bit_error, u32 *bit_count) 1445 { 1446 u8 data[3]; 1447 u8 pktnum[2]; 1448 1449 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1450 if (priv->state != STATE_ACTIVE_TC) { 1451 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 1452 __func__, priv->state); 1453 return -EINVAL; 1454 } 1455 1456 cxd2841er_freeze_regs(priv); 1457 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1458 cxd2841er_read_regs(priv, I2C_SLVT, 0x5B, pktnum, sizeof(pktnum)); 1459 cxd2841er_read_regs(priv, I2C_SLVT, 0x16, data, sizeof(data)); 1460 cxd2841er_unfreeze_regs(priv); 1461 1462 if (!pktnum[0] && !pktnum[1]) { 1463 dev_dbg(&priv->i2c->dev, 1464 "%s(): no valid BER data\n", __func__); 1465 return -EINVAL; 1466 } 1467 1468 *bit_error = ((u32)(data[0] & 0x7F) << 16) | 1469 ((u32)data[1] << 8) | data[2]; 1470 *bit_count = ((((u32)pktnum[0] << 8) | pktnum[1]) * 204 * 8); 1471 dev_dbg(&priv->i2c->dev, "%s(): bit_error=%u bit_count=%u\n", 1472 __func__, *bit_error, *bit_count); 1473 1474 return 0; 1475 } 1476 1477 static int cxd2841er_mon_read_ber_s(struct cxd2841er_priv *priv, 1478 u32 *bit_error, u32 *bit_count) 1479 { 1480 u8 data[11]; 1481 1482 /* Set SLV-T Bank : 0xA0 */ 1483 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1484 /* 1485 * slave Bank Addr Bit Signal name 1486 * <SLV-T> A0h 35h [0] IFVBER_VALID 1487 * <SLV-T> A0h 36h [5:0] IFVBER_BITERR[21:16] 1488 * <SLV-T> A0h 37h [7:0] IFVBER_BITERR[15:8] 1489 * <SLV-T> A0h 38h [7:0] IFVBER_BITERR[7:0] 1490 * <SLV-T> A0h 3Dh [5:0] IFVBER_BITNUM[21:16] 1491 * <SLV-T> A0h 3Eh [7:0] IFVBER_BITNUM[15:8] 1492 * <SLV-T> A0h 3Fh [7:0] IFVBER_BITNUM[7:0] 1493 */ 1494 cxd2841er_read_regs(priv, I2C_SLVT, 0x35, data, 11); 1495 if (data[0] & 0x01) { 1496 *bit_error = ((u32)(data[1] & 0x3F) << 16) | 1497 ((u32)(data[2] & 0xFF) << 8) | 1498 (u32)(data[3] & 0xFF); 1499 *bit_count = ((u32)(data[8] & 0x3F) << 16) | 1500 ((u32)(data[9] & 0xFF) << 8) | 1501 (u32)(data[10] & 0xFF); 1502 if ((*bit_count == 0) || (*bit_error > *bit_count)) { 1503 dev_dbg(&priv->i2c->dev, 1504 "%s(): invalid bit_error %d, bit_count %d\n", 1505 __func__, *bit_error, *bit_count); 1506 return -EINVAL; 1507 } 1508 return 0; 1509 } 1510 dev_dbg(&priv->i2c->dev, "%s(): no data available\n", __func__); 1511 return -EINVAL; 1512 } 1513 1514 1515 static int cxd2841er_mon_read_ber_s2(struct cxd2841er_priv *priv, 1516 u32 *bit_error, u32 *bit_count) 1517 { 1518 u8 data[5]; 1519 u32 period; 1520 1521 /* Set SLV-T Bank : 0xB2 */ 1522 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xb2); 1523 /* 1524 * slave Bank Addr Bit Signal name 1525 * <SLV-T> B2h 30h [0] IFLBER_VALID 1526 * <SLV-T> B2h 31h [3:0] IFLBER_BITERR[27:24] 1527 * <SLV-T> B2h 32h [7:0] IFLBER_BITERR[23:16] 1528 * <SLV-T> B2h 33h [7:0] IFLBER_BITERR[15:8] 1529 * <SLV-T> B2h 34h [7:0] IFLBER_BITERR[7:0] 1530 */ 1531 cxd2841er_read_regs(priv, I2C_SLVT, 0x30, data, 5); 1532 if (data[0] & 0x01) { 1533 /* Bit error count */ 1534 *bit_error = ((u32)(data[1] & 0x0F) << 24) | 1535 ((u32)(data[2] & 0xFF) << 16) | 1536 ((u32)(data[3] & 0xFF) << 8) | 1537 (u32)(data[4] & 0xFF); 1538 1539 /* Set SLV-T Bank : 0xA0 */ 1540 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1541 cxd2841er_read_reg(priv, I2C_SLVT, 0x7a, data); 1542 /* Measurement period */ 1543 period = (u32)(1 << (data[0] & 0x0F)); 1544 if (period == 0) { 1545 dev_dbg(&priv->i2c->dev, 1546 "%s(): period is 0\n", __func__); 1547 return -EINVAL; 1548 } 1549 if (*bit_error > (period * 64800)) { 1550 dev_dbg(&priv->i2c->dev, 1551 "%s(): invalid bit_err 0x%x period 0x%x\n", 1552 __func__, *bit_error, period); 1553 return -EINVAL; 1554 } 1555 *bit_count = period * 64800; 1556 1557 return 0; 1558 } else { 1559 dev_dbg(&priv->i2c->dev, 1560 "%s(): no data available\n", __func__); 1561 } 1562 return -EINVAL; 1563 } 1564 1565 static int cxd2841er_read_ber_t2(struct cxd2841er_priv *priv, 1566 u32 *bit_error, u32 *bit_count) 1567 { 1568 u8 data[4]; 1569 u32 period_exp, n_ldpc; 1570 1571 if (priv->state != STATE_ACTIVE_TC) { 1572 dev_dbg(&priv->i2c->dev, 1573 "%s(): invalid state %d\n", __func__, priv->state); 1574 return -EINVAL; 1575 } 1576 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1577 cxd2841er_read_regs(priv, I2C_SLVT, 0x39, data, sizeof(data)); 1578 if (!(data[0] & 0x10)) { 1579 dev_dbg(&priv->i2c->dev, 1580 "%s(): no valid BER data\n", __func__); 1581 return -EINVAL; 1582 } 1583 *bit_error = ((u32)(data[0] & 0x0f) << 24) | 1584 ((u32)data[1] << 16) | 1585 ((u32)data[2] << 8) | 1586 (u32)data[3]; 1587 cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data); 1588 period_exp = data[0] & 0x0f; 1589 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x22); 1590 cxd2841er_read_reg(priv, I2C_SLVT, 0x5e, data); 1591 n_ldpc = ((data[0] & 0x03) == 0 ? 16200 : 64800); 1592 if (*bit_error > ((1U << period_exp) * n_ldpc)) { 1593 dev_dbg(&priv->i2c->dev, 1594 "%s(): invalid BER value\n", __func__); 1595 return -EINVAL; 1596 } 1597 1598 /* 1599 * FIXME: the right thing would be to return bit_error untouched, 1600 * but, as we don't know the scale returned by the counters, let's 1601 * at least preserver BER = bit_error/bit_count. 1602 */ 1603 if (period_exp >= 4) { 1604 *bit_count = (1U << (period_exp - 4)) * (n_ldpc / 200); 1605 *bit_error *= 3125ULL; 1606 } else { 1607 *bit_count = (1U << period_exp) * (n_ldpc / 200); 1608 *bit_error *= 50000ULL; 1609 } 1610 return 0; 1611 } 1612 1613 static int cxd2841er_read_ber_t(struct cxd2841er_priv *priv, 1614 u32 *bit_error, u32 *bit_count) 1615 { 1616 u8 data[2]; 1617 u32 period; 1618 1619 if (priv->state != STATE_ACTIVE_TC) { 1620 dev_dbg(&priv->i2c->dev, 1621 "%s(): invalid state %d\n", __func__, priv->state); 1622 return -EINVAL; 1623 } 1624 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1625 cxd2841er_read_reg(priv, I2C_SLVT, 0x39, data); 1626 if (!(data[0] & 0x01)) { 1627 dev_dbg(&priv->i2c->dev, 1628 "%s(): no valid BER data\n", __func__); 1629 return 0; 1630 } 1631 cxd2841er_read_regs(priv, I2C_SLVT, 0x22, data, sizeof(data)); 1632 *bit_error = ((u32)data[0] << 8) | (u32)data[1]; 1633 cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data); 1634 period = ((data[0] & 0x07) == 0) ? 256 : (4096 << (data[0] & 0x07)); 1635 1636 /* 1637 * FIXME: the right thing would be to return bit_error untouched, 1638 * but, as we don't know the scale returned by the counters, let's 1639 * at least preserver BER = bit_error/bit_count. 1640 */ 1641 *bit_count = period / 128; 1642 *bit_error *= 78125ULL; 1643 return 0; 1644 } 1645 1646 static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv) 1647 { 1648 /* 1649 * Freeze registers: ensure multiple separate register reads 1650 * are from the same snapshot 1651 */ 1652 cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x01); 1653 return 0; 1654 } 1655 1656 static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv) 1657 { 1658 /* 1659 * un-freeze registers 1660 */ 1661 cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x00); 1662 return 0; 1663 } 1664 1665 static u32 cxd2841er_dvbs_read_snr(struct cxd2841er_priv *priv, 1666 u8 delsys, u32 *snr) 1667 { 1668 u8 data[3]; 1669 u32 res = 0, value; 1670 int min_index, max_index, index; 1671 static const struct cxd2841er_cnr_data *cn_data; 1672 1673 cxd2841er_freeze_regs(priv); 1674 /* Set SLV-T Bank : 0xA1 */ 1675 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa1); 1676 /* 1677 * slave Bank Addr Bit Signal name 1678 * <SLV-T> A1h 10h [0] ICPM_QUICKRDY 1679 * <SLV-T> A1h 11h [4:0] ICPM_QUICKCNDT[12:8] 1680 * <SLV-T> A1h 12h [7:0] ICPM_QUICKCNDT[7:0] 1681 */ 1682 cxd2841er_read_regs(priv, I2C_SLVT, 0x10, data, 3); 1683 cxd2841er_unfreeze_regs(priv); 1684 1685 if (data[0] & 0x01) { 1686 value = ((u32)(data[1] & 0x1F) << 8) | (u32)(data[2] & 0xFF); 1687 min_index = 0; 1688 if (delsys == SYS_DVBS) { 1689 cn_data = s_cn_data; 1690 max_index = ARRAY_SIZE(s_cn_data) - 1; 1691 } else { 1692 cn_data = s2_cn_data; 1693 max_index = ARRAY_SIZE(s2_cn_data) - 1; 1694 } 1695 if (value >= cn_data[min_index].value) { 1696 res = cn_data[min_index].cnr_x1000; 1697 goto done; 1698 } 1699 if (value <= cn_data[max_index].value) { 1700 res = cn_data[max_index].cnr_x1000; 1701 goto done; 1702 } 1703 while ((max_index - min_index) > 1) { 1704 index = (max_index + min_index) / 2; 1705 if (value == cn_data[index].value) { 1706 res = cn_data[index].cnr_x1000; 1707 goto done; 1708 } else if (value > cn_data[index].value) 1709 max_index = index; 1710 else 1711 min_index = index; 1712 if ((max_index - min_index) <= 1) { 1713 if (value == cn_data[max_index].value) { 1714 res = cn_data[max_index].cnr_x1000; 1715 goto done; 1716 } else { 1717 res = cn_data[min_index].cnr_x1000; 1718 goto done; 1719 } 1720 } 1721 } 1722 } else { 1723 dev_dbg(&priv->i2c->dev, 1724 "%s(): no data available\n", __func__); 1725 return -EINVAL; 1726 } 1727 done: 1728 *snr = res; 1729 return 0; 1730 } 1731 1732 static uint32_t sony_log(uint32_t x) 1733 { 1734 return (((10000>>8)*(intlog2(x)>>16) + LOG2_E_100X/2)/LOG2_E_100X); 1735 } 1736 1737 static int cxd2841er_read_snr_c(struct cxd2841er_priv *priv, u32 *snr) 1738 { 1739 u32 reg; 1740 u8 data[2]; 1741 enum sony_dvbc_constellation_t qam = SONY_DVBC_CONSTELLATION_16QAM; 1742 1743 *snr = 0; 1744 if (priv->state != STATE_ACTIVE_TC) { 1745 dev_dbg(&priv->i2c->dev, 1746 "%s(): invalid state %d\n", 1747 __func__, priv->state); 1748 return -EINVAL; 1749 } 1750 1751 cxd2841er_freeze_regs(priv); 1752 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 1753 cxd2841er_read_regs(priv, I2C_SLVT, 0x19, data, 1); 1754 qam = (enum sony_dvbc_constellation_t) (data[0] & 0x07); 1755 cxd2841er_read_regs(priv, I2C_SLVT, 0x4C, data, 2); 1756 cxd2841er_unfreeze_regs(priv); 1757 1758 reg = ((u32)(data[0]&0x1f) << 8) | (u32)data[1]; 1759 if (reg == 0) { 1760 dev_dbg(&priv->i2c->dev, 1761 "%s(): reg value out of range\n", __func__); 1762 return 0; 1763 } 1764 1765 switch (qam) { 1766 case SONY_DVBC_CONSTELLATION_16QAM: 1767 case SONY_DVBC_CONSTELLATION_64QAM: 1768 case SONY_DVBC_CONSTELLATION_256QAM: 1769 /* SNR(dB) = -9.50 * ln(IREG_SNR_ESTIMATE / (24320)) */ 1770 if (reg < 126) 1771 reg = 126; 1772 *snr = -95 * (int32_t)sony_log(reg) + 95941; 1773 break; 1774 case SONY_DVBC_CONSTELLATION_32QAM: 1775 case SONY_DVBC_CONSTELLATION_128QAM: 1776 /* SNR(dB) = -8.75 * ln(IREG_SNR_ESTIMATE / (20800)) */ 1777 if (reg < 69) 1778 reg = 69; 1779 *snr = -88 * (int32_t)sony_log(reg) + 86999; 1780 break; 1781 default: 1782 return -EINVAL; 1783 } 1784 1785 return 0; 1786 } 1787 1788 static int cxd2841er_read_snr_t(struct cxd2841er_priv *priv, u32 *snr) 1789 { 1790 u32 reg; 1791 u8 data[2]; 1792 1793 *snr = 0; 1794 if (priv->state != STATE_ACTIVE_TC) { 1795 dev_dbg(&priv->i2c->dev, 1796 "%s(): invalid state %d\n", __func__, priv->state); 1797 return -EINVAL; 1798 } 1799 1800 cxd2841er_freeze_regs(priv); 1801 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 1802 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); 1803 cxd2841er_unfreeze_regs(priv); 1804 1805 reg = ((u32)data[0] << 8) | (u32)data[1]; 1806 if (reg == 0) { 1807 dev_dbg(&priv->i2c->dev, 1808 "%s(): reg value out of range\n", __func__); 1809 return 0; 1810 } 1811 if (reg > 4996) 1812 reg = 4996; 1813 *snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(5350 - reg)) + 285); 1814 return 0; 1815 } 1816 1817 static int cxd2841er_read_snr_t2(struct cxd2841er_priv *priv, u32 *snr) 1818 { 1819 u32 reg; 1820 u8 data[2]; 1821 1822 *snr = 0; 1823 if (priv->state != STATE_ACTIVE_TC) { 1824 dev_dbg(&priv->i2c->dev, 1825 "%s(): invalid state %d\n", __func__, priv->state); 1826 return -EINVAL; 1827 } 1828 1829 cxd2841er_freeze_regs(priv); 1830 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 1831 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); 1832 cxd2841er_unfreeze_regs(priv); 1833 1834 reg = ((u32)data[0] << 8) | (u32)data[1]; 1835 if (reg == 0) { 1836 dev_dbg(&priv->i2c->dev, 1837 "%s(): reg value out of range\n", __func__); 1838 return 0; 1839 } 1840 if (reg > 10876) 1841 reg = 10876; 1842 *snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(12600 - reg)) + 320); 1843 return 0; 1844 } 1845 1846 static int cxd2841er_read_snr_i(struct cxd2841er_priv *priv, u32 *snr) 1847 { 1848 u32 reg; 1849 u8 data[2]; 1850 1851 *snr = 0; 1852 if (priv->state != STATE_ACTIVE_TC) { 1853 dev_dbg(&priv->i2c->dev, 1854 "%s(): invalid state %d\n", __func__, 1855 priv->state); 1856 return -EINVAL; 1857 } 1858 1859 cxd2841er_freeze_regs(priv); 1860 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 1861 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); 1862 cxd2841er_unfreeze_regs(priv); 1863 1864 reg = ((u32)data[0] << 8) | (u32)data[1]; 1865 if (reg == 0) { 1866 dev_dbg(&priv->i2c->dev, 1867 "%s(): reg value out of range\n", __func__); 1868 return 0; 1869 } 1870 *snr = 10000 * (intlog10(reg) >> 24) - 9031; 1871 return 0; 1872 } 1873 1874 static u16 cxd2841er_read_agc_gain_c(struct cxd2841er_priv *priv, 1875 u8 delsys) 1876 { 1877 u8 data[2]; 1878 1879 cxd2841er_write_reg( 1880 priv, I2C_SLVT, 0x00, 0x40); 1881 cxd2841er_read_regs(priv, I2C_SLVT, 0x49, data, 2); 1882 dev_dbg(&priv->i2c->dev, 1883 "%s(): AGC value=%u\n", 1884 __func__, (((u16)data[0] & 0x0F) << 8) | 1885 (u16)(data[1] & 0xFF)); 1886 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; 1887 } 1888 1889 static u16 cxd2841er_read_agc_gain_t_t2(struct cxd2841er_priv *priv, 1890 u8 delsys) 1891 { 1892 u8 data[2]; 1893 1894 cxd2841er_write_reg( 1895 priv, I2C_SLVT, 0x00, (delsys == SYS_DVBT ? 0x10 : 0x20)); 1896 cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2); 1897 dev_dbg(&priv->i2c->dev, 1898 "%s(): AGC value=%u\n", 1899 __func__, (((u16)data[0] & 0x0F) << 8) | 1900 (u16)(data[1] & 0xFF)); 1901 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; 1902 } 1903 1904 static u16 cxd2841er_read_agc_gain_i(struct cxd2841er_priv *priv, 1905 u8 delsys) 1906 { 1907 u8 data[2]; 1908 1909 cxd2841er_write_reg( 1910 priv, I2C_SLVT, 0x00, 0x60); 1911 cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2); 1912 1913 dev_dbg(&priv->i2c->dev, 1914 "%s(): AGC value=%u\n", 1915 __func__, (((u16)data[0] & 0x0F) << 8) | 1916 (u16)(data[1] & 0xFF)); 1917 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; 1918 } 1919 1920 static u16 cxd2841er_read_agc_gain_s(struct cxd2841er_priv *priv) 1921 { 1922 u8 data[2]; 1923 1924 /* Set SLV-T Bank : 0xA0 */ 1925 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 1926 /* 1927 * slave Bank Addr Bit Signal name 1928 * <SLV-T> A0h 1Fh [4:0] IRFAGC_GAIN[12:8] 1929 * <SLV-T> A0h 20h [7:0] IRFAGC_GAIN[7:0] 1930 */ 1931 cxd2841er_read_regs(priv, I2C_SLVT, 0x1f, data, 2); 1932 return ((((u16)data[0] & 0x1F) << 8) | (u16)(data[1] & 0xFF)) << 3; 1933 } 1934 1935 static void cxd2841er_read_ber(struct dvb_frontend *fe) 1936 { 1937 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 1938 struct cxd2841er_priv *priv = fe->demodulator_priv; 1939 u32 bit_error = 0, bit_count = 0; 1940 int ret; 1941 1942 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1943 switch (p->delivery_system) { 1944 case SYS_DVBC_ANNEX_A: 1945 case SYS_DVBC_ANNEX_B: 1946 case SYS_DVBC_ANNEX_C: 1947 ret = cxd2841er_read_ber_c(priv, &bit_error, &bit_count); 1948 break; 1949 case SYS_ISDBT: 1950 ret = cxd2841er_read_ber_i(priv, &bit_error, &bit_count); 1951 break; 1952 case SYS_DVBS: 1953 ret = cxd2841er_mon_read_ber_s(priv, &bit_error, &bit_count); 1954 break; 1955 case SYS_DVBS2: 1956 ret = cxd2841er_mon_read_ber_s2(priv, &bit_error, &bit_count); 1957 break; 1958 case SYS_DVBT: 1959 ret = cxd2841er_read_ber_t(priv, &bit_error, &bit_count); 1960 break; 1961 case SYS_DVBT2: 1962 ret = cxd2841er_read_ber_t2(priv, &bit_error, &bit_count); 1963 break; 1964 default: 1965 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 1966 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 1967 return; 1968 } 1969 1970 if (!ret) { 1971 p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; 1972 p->post_bit_error.stat[0].uvalue += bit_error; 1973 p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; 1974 p->post_bit_count.stat[0].uvalue += bit_count; 1975 } else { 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 } 1979 } 1980 1981 static void cxd2841er_read_signal_strength(struct dvb_frontend *fe) 1982 { 1983 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 1984 struct cxd2841er_priv *priv = fe->demodulator_priv; 1985 s32 strength; 1986 1987 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 1988 switch (p->delivery_system) { 1989 case SYS_DVBT: 1990 case SYS_DVBT2: 1991 strength = cxd2841er_read_agc_gain_t_t2(priv, 1992 p->delivery_system); 1993 p->strength.stat[0].scale = FE_SCALE_DECIBEL; 1994 /* Formula was empirically determinated @ 410 MHz */ 1995 p->strength.stat[0].uvalue = strength * 366 / 100 - 89520; 1996 break; /* Code moved out of the function */ 1997 case SYS_DVBC_ANNEX_A: 1998 case SYS_DVBC_ANNEX_B: 1999 case SYS_DVBC_ANNEX_C: 2000 strength = cxd2841er_read_agc_gain_c(priv, 2001 p->delivery_system); 2002 p->strength.stat[0].scale = FE_SCALE_DECIBEL; 2003 /* 2004 * Formula was empirically determinated via linear regression, 2005 * using frequencies: 175 MHz, 410 MHz and 800 MHz, and a 2006 * stream modulated with QAM64 2007 */ 2008 p->strength.stat[0].uvalue = strength * 4045 / 1000 - 85224; 2009 break; 2010 case SYS_ISDBT: 2011 strength = cxd2841er_read_agc_gain_i(priv, p->delivery_system); 2012 p->strength.stat[0].scale = FE_SCALE_DECIBEL; 2013 /* 2014 * Formula was empirically determinated via linear regression, 2015 * using frequencies: 175 MHz, 410 MHz and 800 MHz. 2016 */ 2017 p->strength.stat[0].uvalue = strength * 3775 / 1000 - 90185; 2018 break; 2019 case SYS_DVBS: 2020 case SYS_DVBS2: 2021 strength = 65535 - cxd2841er_read_agc_gain_s(priv); 2022 p->strength.stat[0].scale = FE_SCALE_RELATIVE; 2023 p->strength.stat[0].uvalue = strength; 2024 break; 2025 default: 2026 p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2027 break; 2028 } 2029 } 2030 2031 static void cxd2841er_read_snr(struct dvb_frontend *fe) 2032 { 2033 u32 tmp = 0; 2034 int ret = 0; 2035 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 2036 struct cxd2841er_priv *priv = fe->demodulator_priv; 2037 2038 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2039 switch (p->delivery_system) { 2040 case SYS_DVBC_ANNEX_A: 2041 case SYS_DVBC_ANNEX_B: 2042 case SYS_DVBC_ANNEX_C: 2043 ret = cxd2841er_read_snr_c(priv, &tmp); 2044 break; 2045 case SYS_DVBT: 2046 ret = cxd2841er_read_snr_t(priv, &tmp); 2047 break; 2048 case SYS_DVBT2: 2049 ret = cxd2841er_read_snr_t2(priv, &tmp); 2050 break; 2051 case SYS_ISDBT: 2052 ret = cxd2841er_read_snr_i(priv, &tmp); 2053 break; 2054 case SYS_DVBS: 2055 case SYS_DVBS2: 2056 ret = cxd2841er_dvbs_read_snr(priv, p->delivery_system, &tmp); 2057 break; 2058 default: 2059 dev_dbg(&priv->i2c->dev, "%s(): unknown delivery system %d\n", 2060 __func__, p->delivery_system); 2061 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2062 return; 2063 } 2064 2065 dev_dbg(&priv->i2c->dev, "%s(): snr=%d\n", 2066 __func__, (int32_t)tmp); 2067 2068 if (!ret) { 2069 p->cnr.stat[0].scale = FE_SCALE_DECIBEL; 2070 p->cnr.stat[0].svalue = tmp; 2071 } else { 2072 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2073 } 2074 } 2075 2076 static void cxd2841er_read_ucblocks(struct dvb_frontend *fe) 2077 { 2078 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 2079 struct cxd2841er_priv *priv = fe->demodulator_priv; 2080 u32 ucblocks = 0; 2081 2082 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2083 switch (p->delivery_system) { 2084 case SYS_DVBC_ANNEX_A: 2085 case SYS_DVBC_ANNEX_B: 2086 case SYS_DVBC_ANNEX_C: 2087 cxd2841er_read_packet_errors_c(priv, &ucblocks); 2088 break; 2089 case SYS_DVBT: 2090 cxd2841er_read_packet_errors_t(priv, &ucblocks); 2091 break; 2092 case SYS_DVBT2: 2093 cxd2841er_read_packet_errors_t2(priv, &ucblocks); 2094 break; 2095 case SYS_ISDBT: 2096 cxd2841er_read_packet_errors_i(priv, &ucblocks); 2097 break; 2098 default: 2099 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 2100 return; 2101 } 2102 dev_dbg(&priv->i2c->dev, "%s() ucblocks=%u\n", __func__, ucblocks); 2103 2104 p->block_error.stat[0].scale = FE_SCALE_COUNTER; 2105 p->block_error.stat[0].uvalue = ucblocks; 2106 } 2107 2108 static int cxd2841er_dvbt2_set_profile( 2109 struct cxd2841er_priv *priv, enum cxd2841er_dvbt2_profile_t profile) 2110 { 2111 u8 tune_mode; 2112 u8 seq_not2d_time; 2113 2114 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2115 switch (profile) { 2116 case DVBT2_PROFILE_BASE: 2117 tune_mode = 0x01; 2118 /* Set early unlock time */ 2119 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x0E:0x0C; 2120 break; 2121 case DVBT2_PROFILE_LITE: 2122 tune_mode = 0x05; 2123 /* Set early unlock time */ 2124 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28; 2125 break; 2126 case DVBT2_PROFILE_ANY: 2127 tune_mode = 0x00; 2128 /* Set early unlock time */ 2129 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28; 2130 break; 2131 default: 2132 return -EINVAL; 2133 } 2134 /* Set SLV-T Bank : 0x2E */ 2135 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2e); 2136 /* Set profile and tune mode */ 2137 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x10, tune_mode, 0x07); 2138 /* Set SLV-T Bank : 0x2B */ 2139 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 2140 /* Set early unlock detection time */ 2141 cxd2841er_write_reg(priv, I2C_SLVT, 0x9d, seq_not2d_time); 2142 return 0; 2143 } 2144 2145 static int cxd2841er_dvbt2_set_plp_config(struct cxd2841er_priv *priv, 2146 u8 is_auto, u8 plp_id) 2147 { 2148 if (is_auto) { 2149 dev_dbg(&priv->i2c->dev, 2150 "%s() using auto PLP selection\n", __func__); 2151 } else { 2152 dev_dbg(&priv->i2c->dev, 2153 "%s() using manual PLP selection, ID %d\n", 2154 __func__, plp_id); 2155 } 2156 /* Set SLV-T Bank : 0x23 */ 2157 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23); 2158 if (!is_auto) { 2159 /* Manual PLP selection mode. Set the data PLP Id. */ 2160 cxd2841er_write_reg(priv, I2C_SLVT, 0xaf, plp_id); 2161 } 2162 /* Auto PLP select (Scanning mode = 0x00). Data PLP select = 0x01. */ 2163 cxd2841er_write_reg(priv, I2C_SLVT, 0xad, (is_auto ? 0x00 : 0x01)); 2164 return 0; 2165 } 2166 2167 static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv, 2168 u32 bandwidth) 2169 { 2170 u32 iffreq, ifhz; 2171 u8 data[MAX_WRITE_REGSIZE]; 2172 2173 static const uint8_t nominalRate8bw[3][5] = { 2174 /* TRCG Nominal Rate [37:0] */ 2175 {0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2176 {0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2177 {0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2178 }; 2179 2180 static const uint8_t nominalRate7bw[3][5] = { 2181 /* TRCG Nominal Rate [37:0] */ 2182 {0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2183 {0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2184 {0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2185 }; 2186 2187 static const uint8_t nominalRate6bw[3][5] = { 2188 /* TRCG Nominal Rate [37:0] */ 2189 {0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */ 2190 {0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2191 {0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */ 2192 }; 2193 2194 static const uint8_t nominalRate5bw[3][5] = { 2195 /* TRCG Nominal Rate [37:0] */ 2196 {0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */ 2197 {0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */ 2198 {0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */ 2199 }; 2200 2201 static const uint8_t nominalRate17bw[3][5] = { 2202 /* TRCG Nominal Rate [37:0] */ 2203 {0x58, 0xE2, 0xAF, 0xE0, 0xBC}, /* 20.5MHz XTal */ 2204 {0x68, 0x0F, 0xA2, 0x32, 0xD0}, /* 24MHz XTal */ 2205 {0x58, 0xE2, 0xAF, 0xE0, 0xBC} /* 41MHz XTal */ 2206 }; 2207 2208 static const uint8_t itbCoef8bw[3][14] = { 2209 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 2210 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */ 2211 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 2212 0x29, 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */ 2213 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 2214 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */ 2215 }; 2216 2217 static const uint8_t itbCoef7bw[3][14] = { 2218 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 2219 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */ 2220 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 2221 0x29, 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */ 2222 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 2223 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */ 2224 }; 2225 2226 static const uint8_t itbCoef6bw[3][14] = { 2227 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2228 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2229 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 2230 0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2231 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2232 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2233 }; 2234 2235 static const uint8_t itbCoef5bw[3][14] = { 2236 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2237 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2238 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 2239 0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2240 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2241 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2242 }; 2243 2244 static const uint8_t itbCoef17bw[3][14] = { 2245 {0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B, 2246 0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99}, /* 20.5MHz XTal */ 2247 {0x33, 0x8E, 0x2B, 0x97, 0x2D, 0x95, 0x37, 0x8B, 2248 0x30, 0x97, 0x2D, 0x9A, 0x21, 0xA4}, /* 24MHz XTal */ 2249 {0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B, 2250 0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99} /* 41MHz XTal */ 2251 }; 2252 2253 /* Set SLV-T Bank : 0x20 */ 2254 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 2255 2256 switch (bandwidth) { 2257 case 8000000: 2258 /* <Timing Recovery setting> */ 2259 cxd2841er_write_regs(priv, I2C_SLVT, 2260 0x9F, nominalRate8bw[priv->xtal], 5); 2261 2262 /* Set SLV-T Bank : 0x27 */ 2263 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2264 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2265 0x7a, 0x00, 0x0f); 2266 2267 /* Set SLV-T Bank : 0x10 */ 2268 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2269 2270 /* Group delay equaliser settings for 2271 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2272 */ 2273 if (priv->flags & CXD2841ER_ASCOT) 2274 cxd2841er_write_regs(priv, I2C_SLVT, 2275 0xA6, itbCoef8bw[priv->xtal], 14); 2276 /* <IF freq setting> */ 2277 ifhz = cxd2841er_get_if_hz(priv, 4800000); 2278 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2279 data[0] = (u8) ((iffreq >> 16) & 0xff); 2280 data[1] = (u8)((iffreq >> 8) & 0xff); 2281 data[2] = (u8)(iffreq & 0xff); 2282 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2283 /* System bandwidth setting */ 2284 cxd2841er_set_reg_bits( 2285 priv, I2C_SLVT, 0xD7, 0x00, 0x07); 2286 break; 2287 case 7000000: 2288 /* <Timing Recovery setting> */ 2289 cxd2841er_write_regs(priv, I2C_SLVT, 2290 0x9F, nominalRate7bw[priv->xtal], 5); 2291 2292 /* Set SLV-T Bank : 0x27 */ 2293 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2294 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2295 0x7a, 0x00, 0x0f); 2296 2297 /* Set SLV-T Bank : 0x10 */ 2298 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2299 2300 /* Group delay equaliser settings for 2301 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2302 */ 2303 if (priv->flags & CXD2841ER_ASCOT) 2304 cxd2841er_write_regs(priv, I2C_SLVT, 2305 0xA6, itbCoef7bw[priv->xtal], 14); 2306 /* <IF freq setting> */ 2307 ifhz = cxd2841er_get_if_hz(priv, 4200000); 2308 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2309 data[0] = (u8) ((iffreq >> 16) & 0xff); 2310 data[1] = (u8)((iffreq >> 8) & 0xff); 2311 data[2] = (u8)(iffreq & 0xff); 2312 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2313 /* System bandwidth setting */ 2314 cxd2841er_set_reg_bits( 2315 priv, I2C_SLVT, 0xD7, 0x02, 0x07); 2316 break; 2317 case 6000000: 2318 /* <Timing Recovery setting> */ 2319 cxd2841er_write_regs(priv, I2C_SLVT, 2320 0x9F, nominalRate6bw[priv->xtal], 5); 2321 2322 /* Set SLV-T Bank : 0x27 */ 2323 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2324 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2325 0x7a, 0x00, 0x0f); 2326 2327 /* Set SLV-T Bank : 0x10 */ 2328 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2329 2330 /* Group delay equaliser settings for 2331 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2332 */ 2333 if (priv->flags & CXD2841ER_ASCOT) 2334 cxd2841er_write_regs(priv, I2C_SLVT, 2335 0xA6, itbCoef6bw[priv->xtal], 14); 2336 /* <IF freq setting> */ 2337 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2338 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2339 data[0] = (u8) ((iffreq >> 16) & 0xff); 2340 data[1] = (u8)((iffreq >> 8) & 0xff); 2341 data[2] = (u8)(iffreq & 0xff); 2342 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2343 /* System bandwidth setting */ 2344 cxd2841er_set_reg_bits( 2345 priv, I2C_SLVT, 0xD7, 0x04, 0x07); 2346 break; 2347 case 5000000: 2348 /* <Timing Recovery setting> */ 2349 cxd2841er_write_regs(priv, I2C_SLVT, 2350 0x9F, nominalRate5bw[priv->xtal], 5); 2351 2352 /* Set SLV-T Bank : 0x27 */ 2353 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2354 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2355 0x7a, 0x00, 0x0f); 2356 2357 /* Set SLV-T Bank : 0x10 */ 2358 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2359 2360 /* Group delay equaliser settings for 2361 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2362 */ 2363 if (priv->flags & CXD2841ER_ASCOT) 2364 cxd2841er_write_regs(priv, I2C_SLVT, 2365 0xA6, itbCoef5bw[priv->xtal], 14); 2366 /* <IF freq setting> */ 2367 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2368 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2369 data[0] = (u8) ((iffreq >> 16) & 0xff); 2370 data[1] = (u8)((iffreq >> 8) & 0xff); 2371 data[2] = (u8)(iffreq & 0xff); 2372 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2373 /* System bandwidth setting */ 2374 cxd2841er_set_reg_bits( 2375 priv, I2C_SLVT, 0xD7, 0x06, 0x07); 2376 break; 2377 case 1712000: 2378 /* <Timing Recovery setting> */ 2379 cxd2841er_write_regs(priv, I2C_SLVT, 2380 0x9F, nominalRate17bw[priv->xtal], 5); 2381 2382 /* Set SLV-T Bank : 0x27 */ 2383 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 2384 cxd2841er_set_reg_bits(priv, I2C_SLVT, 2385 0x7a, 0x03, 0x0f); 2386 2387 /* Set SLV-T Bank : 0x10 */ 2388 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2389 2390 /* Group delay equaliser settings for 2391 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2392 */ 2393 if (priv->flags & CXD2841ER_ASCOT) 2394 cxd2841er_write_regs(priv, I2C_SLVT, 2395 0xA6, itbCoef17bw[priv->xtal], 14); 2396 /* <IF freq setting> */ 2397 ifhz = cxd2841er_get_if_hz(priv, 3500000); 2398 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2399 data[0] = (u8) ((iffreq >> 16) & 0xff); 2400 data[1] = (u8)((iffreq >> 8) & 0xff); 2401 data[2] = (u8)(iffreq & 0xff); 2402 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2403 /* System bandwidth setting */ 2404 cxd2841er_set_reg_bits( 2405 priv, I2C_SLVT, 0xD7, 0x03, 0x07); 2406 break; 2407 default: 2408 return -EINVAL; 2409 } 2410 return 0; 2411 } 2412 2413 static int cxd2841er_sleep_tc_to_active_t_band( 2414 struct cxd2841er_priv *priv, u32 bandwidth) 2415 { 2416 u8 data[MAX_WRITE_REGSIZE]; 2417 u32 iffreq, ifhz; 2418 static const u8 nominalRate8bw[3][5] = { 2419 /* TRCG Nominal Rate [37:0] */ 2420 {0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2421 {0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2422 {0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2423 }; 2424 static const u8 nominalRate7bw[3][5] = { 2425 /* TRCG Nominal Rate [37:0] */ 2426 {0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2427 {0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2428 {0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2429 }; 2430 static const u8 nominalRate6bw[3][5] = { 2431 /* TRCG Nominal Rate [37:0] */ 2432 {0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */ 2433 {0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2434 {0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */ 2435 }; 2436 static const u8 nominalRate5bw[3][5] = { 2437 /* TRCG Nominal Rate [37:0] */ 2438 {0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */ 2439 {0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */ 2440 {0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */ 2441 }; 2442 2443 static const u8 itbCoef8bw[3][14] = { 2444 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9, 2445 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */ 2446 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29, 0xA5, 2447 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */ 2448 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9, 2449 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */ 2450 }; 2451 static const u8 itbCoef7bw[3][14] = { 2452 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0, 2453 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */ 2454 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29, 0xA2, 2455 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */ 2456 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0, 2457 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */ 2458 }; 2459 static const u8 itbCoef6bw[3][14] = { 2460 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2461 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2462 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4, 2463 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2464 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2465 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2466 }; 2467 static const u8 itbCoef5bw[3][14] = { 2468 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2469 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2470 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4, 2471 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */ 2472 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF, 2473 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */ 2474 }; 2475 2476 /* Set SLV-T Bank : 0x13 */ 2477 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); 2478 /* Echo performance optimization setting */ 2479 data[0] = 0x01; 2480 data[1] = 0x14; 2481 cxd2841er_write_regs(priv, I2C_SLVT, 0x9C, data, 2); 2482 2483 /* Set SLV-T Bank : 0x10 */ 2484 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2485 2486 switch (bandwidth) { 2487 case 8000000: 2488 /* <Timing Recovery setting> */ 2489 cxd2841er_write_regs(priv, I2C_SLVT, 2490 0x9F, nominalRate8bw[priv->xtal], 5); 2491 /* Group delay equaliser settings for 2492 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2493 */ 2494 if (priv->flags & CXD2841ER_ASCOT) 2495 cxd2841er_write_regs(priv, I2C_SLVT, 2496 0xA6, itbCoef8bw[priv->xtal], 14); 2497 /* <IF freq setting> */ 2498 ifhz = cxd2841er_get_if_hz(priv, 4800000); 2499 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2500 data[0] = (u8) ((iffreq >> 16) & 0xff); 2501 data[1] = (u8)((iffreq >> 8) & 0xff); 2502 data[2] = (u8)(iffreq & 0xff); 2503 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2504 /* System bandwidth setting */ 2505 cxd2841er_set_reg_bits( 2506 priv, I2C_SLVT, 0xD7, 0x00, 0x07); 2507 2508 /* Demod core latency setting */ 2509 if (priv->xtal == SONY_XTAL_24000) { 2510 data[0] = 0x15; 2511 data[1] = 0x28; 2512 } else { 2513 data[0] = 0x01; 2514 data[1] = 0xE0; 2515 } 2516 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2517 2518 /* Notch filter setting */ 2519 data[0] = 0x01; 2520 data[1] = 0x02; 2521 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2522 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2523 break; 2524 case 7000000: 2525 /* <Timing Recovery setting> */ 2526 cxd2841er_write_regs(priv, I2C_SLVT, 2527 0x9F, nominalRate7bw[priv->xtal], 5); 2528 /* Group delay equaliser settings for 2529 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2530 */ 2531 if (priv->flags & CXD2841ER_ASCOT) 2532 cxd2841er_write_regs(priv, I2C_SLVT, 2533 0xA6, itbCoef7bw[priv->xtal], 14); 2534 /* <IF freq setting> */ 2535 ifhz = cxd2841er_get_if_hz(priv, 4200000); 2536 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2537 data[0] = (u8) ((iffreq >> 16) & 0xff); 2538 data[1] = (u8)((iffreq >> 8) & 0xff); 2539 data[2] = (u8)(iffreq & 0xff); 2540 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2541 /* System bandwidth setting */ 2542 cxd2841er_set_reg_bits( 2543 priv, I2C_SLVT, 0xD7, 0x02, 0x07); 2544 2545 /* Demod core latency setting */ 2546 if (priv->xtal == SONY_XTAL_24000) { 2547 data[0] = 0x1F; 2548 data[1] = 0xF8; 2549 } else { 2550 data[0] = 0x12; 2551 data[1] = 0xF8; 2552 } 2553 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2554 2555 /* Notch filter setting */ 2556 data[0] = 0x00; 2557 data[1] = 0x03; 2558 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2559 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2560 break; 2561 case 6000000: 2562 /* <Timing Recovery setting> */ 2563 cxd2841er_write_regs(priv, I2C_SLVT, 2564 0x9F, nominalRate6bw[priv->xtal], 5); 2565 /* Group delay equaliser settings for 2566 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2567 */ 2568 if (priv->flags & CXD2841ER_ASCOT) 2569 cxd2841er_write_regs(priv, I2C_SLVT, 2570 0xA6, itbCoef6bw[priv->xtal], 14); 2571 /* <IF freq setting> */ 2572 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2573 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2574 data[0] = (u8) ((iffreq >> 16) & 0xff); 2575 data[1] = (u8)((iffreq >> 8) & 0xff); 2576 data[2] = (u8)(iffreq & 0xff); 2577 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2578 /* System bandwidth setting */ 2579 cxd2841er_set_reg_bits( 2580 priv, I2C_SLVT, 0xD7, 0x04, 0x07); 2581 2582 /* Demod core latency setting */ 2583 if (priv->xtal == SONY_XTAL_24000) { 2584 data[0] = 0x25; 2585 data[1] = 0x4C; 2586 } else { 2587 data[0] = 0x1F; 2588 data[1] = 0xDC; 2589 } 2590 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2591 2592 /* Notch filter setting */ 2593 data[0] = 0x00; 2594 data[1] = 0x03; 2595 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2596 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2597 break; 2598 case 5000000: 2599 /* <Timing Recovery setting> */ 2600 cxd2841er_write_regs(priv, I2C_SLVT, 2601 0x9F, nominalRate5bw[priv->xtal], 5); 2602 /* Group delay equaliser settings for 2603 * ASCOT2D, ASCOT2E and ASCOT3 tuners 2604 */ 2605 if (priv->flags & CXD2841ER_ASCOT) 2606 cxd2841er_write_regs(priv, I2C_SLVT, 2607 0xA6, itbCoef5bw[priv->xtal], 14); 2608 /* <IF freq setting> */ 2609 ifhz = cxd2841er_get_if_hz(priv, 3600000); 2610 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2611 data[0] = (u8) ((iffreq >> 16) & 0xff); 2612 data[1] = (u8)((iffreq >> 8) & 0xff); 2613 data[2] = (u8)(iffreq & 0xff); 2614 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2615 /* System bandwidth setting */ 2616 cxd2841er_set_reg_bits( 2617 priv, I2C_SLVT, 0xD7, 0x06, 0x07); 2618 2619 /* Demod core latency setting */ 2620 if (priv->xtal == SONY_XTAL_24000) { 2621 data[0] = 0x2C; 2622 data[1] = 0xC2; 2623 } else { 2624 data[0] = 0x26; 2625 data[1] = 0x3C; 2626 } 2627 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2628 2629 /* Notch filter setting */ 2630 data[0] = 0x00; 2631 data[1] = 0x03; 2632 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); 2633 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2); 2634 break; 2635 } 2636 2637 return 0; 2638 } 2639 2640 static int cxd2841er_sleep_tc_to_active_i_band( 2641 struct cxd2841er_priv *priv, u32 bandwidth) 2642 { 2643 u32 iffreq, ifhz; 2644 u8 data[3]; 2645 2646 /* TRCG Nominal Rate */ 2647 static const u8 nominalRate8bw[3][5] = { 2648 {0x00, 0x00, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2649 {0x11, 0xB8, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2650 {0x00, 0x00, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2651 }; 2652 2653 static const u8 nominalRate7bw[3][5] = { 2654 {0x00, 0x00, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2655 {0x14, 0x40, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2656 {0x00, 0x00, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2657 }; 2658 2659 static const u8 nominalRate6bw[3][5] = { 2660 {0x14, 0x2E, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */ 2661 {0x17, 0xA0, 0x00, 0x00, 0x00}, /* 24MHz XTal */ 2662 {0x14, 0x2E, 0x00, 0x00, 0x00} /* 41MHz XTal */ 2663 }; 2664 2665 static const u8 itbCoef8bw[3][14] = { 2666 {0x00}, /* 20.5MHz XTal */ 2667 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29, 2668 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz Xtal */ 2669 {0x0}, /* 41MHz XTal */ 2670 }; 2671 2672 static const u8 itbCoef7bw[3][14] = { 2673 {0x00}, /* 20.5MHz XTal */ 2674 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29, 2675 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz Xtal */ 2676 {0x00}, /* 41MHz XTal */ 2677 }; 2678 2679 static const u8 itbCoef6bw[3][14] = { 2680 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 2681 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */ 2682 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 2683 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz Xtal */ 2684 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 2685 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 41MHz XTal */ 2686 }; 2687 2688 dev_dbg(&priv->i2c->dev, "%s() bandwidth=%u\n", __func__, bandwidth); 2689 /* Set SLV-T Bank : 0x10 */ 2690 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2691 2692 /* 20.5/41MHz Xtal support is not available 2693 * on ISDB-T 7MHzBW and 8MHzBW 2694 */ 2695 if (priv->xtal != SONY_XTAL_24000 && bandwidth > 6000000) { 2696 dev_err(&priv->i2c->dev, 2697 "%s(): bandwidth %d supported only for 24MHz xtal\n", 2698 __func__, bandwidth); 2699 return -EINVAL; 2700 } 2701 2702 switch (bandwidth) { 2703 case 8000000: 2704 /* TRCG Nominal Rate */ 2705 cxd2841er_write_regs(priv, I2C_SLVT, 2706 0x9F, nominalRate8bw[priv->xtal], 5); 2707 /* Group delay equaliser settings for ASCOT tuners optimized */ 2708 if (priv->flags & CXD2841ER_ASCOT) 2709 cxd2841er_write_regs(priv, I2C_SLVT, 2710 0xA6, itbCoef8bw[priv->xtal], 14); 2711 2712 /* IF freq setting */ 2713 ifhz = cxd2841er_get_if_hz(priv, 4750000); 2714 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2715 data[0] = (u8) ((iffreq >> 16) & 0xff); 2716 data[1] = (u8)((iffreq >> 8) & 0xff); 2717 data[2] = (u8)(iffreq & 0xff); 2718 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2719 2720 /* System bandwidth setting */ 2721 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x0, 0x7); 2722 2723 /* Demod core latency setting */ 2724 data[0] = 0x13; 2725 data[1] = 0xFC; 2726 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2727 2728 /* Acquisition optimization setting */ 2729 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12); 2730 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x03, 0x07); 2731 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 2732 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x03); 2733 break; 2734 case 7000000: 2735 /* TRCG Nominal Rate */ 2736 cxd2841er_write_regs(priv, I2C_SLVT, 2737 0x9F, nominalRate7bw[priv->xtal], 5); 2738 /* Group delay equaliser settings for ASCOT tuners optimized */ 2739 if (priv->flags & CXD2841ER_ASCOT) 2740 cxd2841er_write_regs(priv, I2C_SLVT, 2741 0xA6, itbCoef7bw[priv->xtal], 14); 2742 2743 /* IF freq setting */ 2744 ifhz = cxd2841er_get_if_hz(priv, 4150000); 2745 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2746 data[0] = (u8) ((iffreq >> 16) & 0xff); 2747 data[1] = (u8)((iffreq >> 8) & 0xff); 2748 data[2] = (u8)(iffreq & 0xff); 2749 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2750 2751 /* System bandwidth setting */ 2752 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x02, 0x7); 2753 2754 /* Demod core latency setting */ 2755 data[0] = 0x1A; 2756 data[1] = 0xFA; 2757 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2758 2759 /* Acquisition optimization setting */ 2760 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12); 2761 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x03, 0x07); 2762 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 2763 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x02); 2764 break; 2765 case 6000000: 2766 /* TRCG Nominal Rate */ 2767 cxd2841er_write_regs(priv, I2C_SLVT, 2768 0x9F, nominalRate6bw[priv->xtal], 5); 2769 /* Group delay equaliser settings for ASCOT tuners optimized */ 2770 if (priv->flags & CXD2841ER_ASCOT) 2771 cxd2841er_write_regs(priv, I2C_SLVT, 2772 0xA6, itbCoef6bw[priv->xtal], 14); 2773 2774 /* IF freq setting */ 2775 ifhz = cxd2841er_get_if_hz(priv, 3550000); 2776 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz); 2777 data[0] = (u8) ((iffreq >> 16) & 0xff); 2778 data[1] = (u8)((iffreq >> 8) & 0xff); 2779 data[2] = (u8)(iffreq & 0xff); 2780 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3); 2781 2782 /* System bandwidth setting */ 2783 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x04, 0x7); 2784 2785 /* Demod core latency setting */ 2786 if (priv->xtal == SONY_XTAL_24000) { 2787 data[0] = 0x1F; 2788 data[1] = 0x79; 2789 } else { 2790 data[0] = 0x1A; 2791 data[1] = 0xE2; 2792 } 2793 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 2794 2795 /* Acquisition optimization setting */ 2796 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12); 2797 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x07, 0x07); 2798 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 2799 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x02); 2800 break; 2801 default: 2802 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", 2803 __func__, bandwidth); 2804 return -EINVAL; 2805 } 2806 return 0; 2807 } 2808 2809 static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv, 2810 u32 bandwidth) 2811 { 2812 u8 bw7_8mhz_b10_a6[] = { 2813 0x2D, 0xC7, 0x04, 0xF4, 0x07, 0xC5, 0x2A, 0xB8, 2814 0x27, 0x9E, 0x27, 0xA4, 0x29, 0xAB }; 2815 u8 bw6mhz_b10_a6[] = { 2816 0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 2817 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4 }; 2818 u8 b10_b6[3]; 2819 u32 iffreq, ifhz; 2820 2821 if (bandwidth != 6000000 && 2822 bandwidth != 7000000 && 2823 bandwidth != 8000000) { 2824 dev_info(&priv->i2c->dev, "%s(): unsupported bandwidth %d. Forcing 8Mhz!\n", 2825 __func__, bandwidth); 2826 bandwidth = 8000000; 2827 } 2828 2829 dev_dbg(&priv->i2c->dev, "%s() bw=%d\n", __func__, bandwidth); 2830 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2831 switch (bandwidth) { 2832 case 8000000: 2833 case 7000000: 2834 if (priv->flags & CXD2841ER_ASCOT) 2835 cxd2841er_write_regs( 2836 priv, I2C_SLVT, 0xa6, 2837 bw7_8mhz_b10_a6, sizeof(bw7_8mhz_b10_a6)); 2838 ifhz = cxd2841er_get_if_hz(priv, 4900000); 2839 iffreq = cxd2841er_calc_iffreq(ifhz); 2840 break; 2841 case 6000000: 2842 if (priv->flags & CXD2841ER_ASCOT) 2843 cxd2841er_write_regs( 2844 priv, I2C_SLVT, 0xa6, 2845 bw6mhz_b10_a6, sizeof(bw6mhz_b10_a6)); 2846 ifhz = cxd2841er_get_if_hz(priv, 3700000); 2847 iffreq = cxd2841er_calc_iffreq(ifhz); 2848 break; 2849 default: 2850 dev_err(&priv->i2c->dev, "%s(): unsupported bandwidth %d\n", 2851 __func__, bandwidth); 2852 return -EINVAL; 2853 } 2854 /* <IF freq setting> */ 2855 b10_b6[0] = (u8) ((iffreq >> 16) & 0xff); 2856 b10_b6[1] = (u8)((iffreq >> 8) & 0xff); 2857 b10_b6[2] = (u8)(iffreq & 0xff); 2858 cxd2841er_write_regs(priv, I2C_SLVT, 0xb6, b10_b6, sizeof(b10_b6)); 2859 /* Set SLV-T Bank : 0x11 */ 2860 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 2861 switch (bandwidth) { 2862 case 8000000: 2863 case 7000000: 2864 cxd2841er_set_reg_bits( 2865 priv, I2C_SLVT, 0xa3, 0x00, 0x1f); 2866 break; 2867 case 6000000: 2868 cxd2841er_set_reg_bits( 2869 priv, I2C_SLVT, 0xa3, 0x14, 0x1f); 2870 break; 2871 } 2872 /* Set SLV-T Bank : 0x40 */ 2873 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 2874 switch (bandwidth) { 2875 case 8000000: 2876 cxd2841er_set_reg_bits( 2877 priv, I2C_SLVT, 0x26, 0x0b, 0x0f); 2878 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x3e); 2879 break; 2880 case 7000000: 2881 cxd2841er_set_reg_bits( 2882 priv, I2C_SLVT, 0x26, 0x09, 0x0f); 2883 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0xd6); 2884 break; 2885 case 6000000: 2886 cxd2841er_set_reg_bits( 2887 priv, I2C_SLVT, 0x26, 0x08, 0x0f); 2888 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x6e); 2889 break; 2890 } 2891 return 0; 2892 } 2893 2894 static int cxd2841er_sleep_tc_to_active_t(struct cxd2841er_priv *priv, 2895 u32 bandwidth) 2896 { 2897 u8 data[2] = { 0x09, 0x54 }; 2898 u8 data24m[3] = {0xDC, 0x6C, 0x00}; 2899 2900 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2901 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT); 2902 /* Set SLV-X Bank : 0x00 */ 2903 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 2904 /* Set demod mode */ 2905 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); 2906 /* Set SLV-T Bank : 0x00 */ 2907 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2908 /* Enable demod clock */ 2909 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 2910 /* Disable RF level monitor */ 2911 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 2912 /* Enable ADC clock */ 2913 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 2914 /* Enable ADC 1 */ 2915 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 2916 /* Enable ADC 2 & 3 */ 2917 if (priv->xtal == SONY_XTAL_41000) { 2918 data[0] = 0x0A; 2919 data[1] = 0xD4; 2920 } 2921 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 2922 /* Enable ADC 4 */ 2923 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 2924 /* Set SLV-T Bank : 0x10 */ 2925 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2926 /* IFAGC gain settings */ 2927 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f); 2928 /* Set SLV-T Bank : 0x11 */ 2929 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 2930 /* BBAGC TARGET level setting */ 2931 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50); 2932 /* Set SLV-T Bank : 0x10 */ 2933 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2934 /* ASCOT setting */ 2935 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 2936 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 2937 /* Set SLV-T Bank : 0x18 */ 2938 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18); 2939 /* Pre-RS BER monitor setting */ 2940 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x36, 0x40, 0x07); 2941 /* FEC Auto Recovery setting */ 2942 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01); 2943 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x01, 0x01); 2944 /* Set SLV-T Bank : 0x00 */ 2945 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2946 /* TSIF setting */ 2947 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); 2948 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); 2949 2950 if (priv->xtal == SONY_XTAL_24000) { 2951 /* Set SLV-T Bank : 0x10 */ 2952 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 2953 cxd2841er_write_reg(priv, I2C_SLVT, 0xBF, 0x60); 2954 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18); 2955 cxd2841er_write_regs(priv, I2C_SLVT, 0x24, data24m, 3); 2956 } 2957 2958 cxd2841er_sleep_tc_to_active_t_band(priv, bandwidth); 2959 /* Set SLV-T Bank : 0x00 */ 2960 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2961 /* Disable HiZ Setting 1 */ 2962 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 2963 /* Disable HiZ Setting 2 */ 2964 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 2965 priv->state = STATE_ACTIVE_TC; 2966 return 0; 2967 } 2968 2969 static int cxd2841er_sleep_tc_to_active_t2(struct cxd2841er_priv *priv, 2970 u32 bandwidth) 2971 { 2972 u8 data[MAX_WRITE_REGSIZE]; 2973 2974 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 2975 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT2); 2976 /* Set SLV-X Bank : 0x00 */ 2977 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 2978 /* Set demod mode */ 2979 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x02); 2980 /* Set SLV-T Bank : 0x00 */ 2981 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 2982 /* Enable demod clock */ 2983 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 2984 /* Disable RF level monitor */ 2985 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x00); 2986 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 2987 /* Enable ADC clock */ 2988 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 2989 /* Enable ADC 1 */ 2990 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 2991 2992 if (priv->xtal == SONY_XTAL_41000) { 2993 data[0] = 0x0A; 2994 data[1] = 0xD4; 2995 } else { 2996 data[0] = 0x09; 2997 data[1] = 0x54; 2998 } 2999 3000 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 3001 /* Enable ADC 4 */ 3002 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 3003 /* Set SLV-T Bank : 0x10 */ 3004 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3005 /* IFAGC gain settings */ 3006 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f); 3007 /* Set SLV-T Bank : 0x11 */ 3008 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 3009 /* BBAGC TARGET level setting */ 3010 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50); 3011 /* Set SLV-T Bank : 0x10 */ 3012 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3013 /* ASCOT setting */ 3014 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 3015 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 3016 /* Set SLV-T Bank : 0x20 */ 3017 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 3018 /* Acquisition optimization setting */ 3019 cxd2841er_write_reg(priv, I2C_SLVT, 0x8b, 0x3c); 3020 /* Set SLV-T Bank : 0x2b */ 3021 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 3022 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x76, 0x20, 0x70); 3023 /* Set SLV-T Bank : 0x23 */ 3024 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23); 3025 /* L1 Control setting */ 3026 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xE6, 0x00, 0x03); 3027 /* Set SLV-T Bank : 0x00 */ 3028 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3029 /* TSIF setting */ 3030 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); 3031 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); 3032 /* DVB-T2 initial setting */ 3033 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); 3034 cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x10); 3035 cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x34); 3036 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f); 3037 cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xd8); 3038 /* Set SLV-T Bank : 0x2a */ 3039 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a); 3040 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x04, 0x0f); 3041 /* Set SLV-T Bank : 0x2b */ 3042 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); 3043 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x20, 0x3f); 3044 3045 /* 24MHz Xtal setting */ 3046 if (priv->xtal == SONY_XTAL_24000) { 3047 /* Set SLV-T Bank : 0x11 */ 3048 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 3049 data[0] = 0xEB; 3050 data[1] = 0x03; 3051 data[2] = 0x3B; 3052 cxd2841er_write_regs(priv, I2C_SLVT, 0x33, data, 3); 3053 3054 /* Set SLV-T Bank : 0x20 */ 3055 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); 3056 data[0] = 0x5E; 3057 data[1] = 0x5E; 3058 data[2] = 0x47; 3059 cxd2841er_write_regs(priv, I2C_SLVT, 0x95, data, 3); 3060 3061 cxd2841er_write_reg(priv, I2C_SLVT, 0x99, 0x18); 3062 3063 data[0] = 0x3F; 3064 data[1] = 0xFF; 3065 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2); 3066 3067 /* Set SLV-T Bank : 0x24 */ 3068 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24); 3069 data[0] = 0x0B; 3070 data[1] = 0x72; 3071 cxd2841er_write_regs(priv, I2C_SLVT, 0x34, data, 2); 3072 3073 data[0] = 0x93; 3074 data[1] = 0xF3; 3075 data[2] = 0x00; 3076 cxd2841er_write_regs(priv, I2C_SLVT, 0xD2, data, 3); 3077 3078 data[0] = 0x05; 3079 data[1] = 0xB8; 3080 data[2] = 0xD8; 3081 cxd2841er_write_regs(priv, I2C_SLVT, 0xDD, data, 3); 3082 3083 cxd2841er_write_reg(priv, I2C_SLVT, 0xE0, 0x00); 3084 3085 /* Set SLV-T Bank : 0x25 */ 3086 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x25); 3087 cxd2841er_write_reg(priv, I2C_SLVT, 0xED, 0x60); 3088 3089 /* Set SLV-T Bank : 0x27 */ 3090 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); 3091 cxd2841er_write_reg(priv, I2C_SLVT, 0xFA, 0x34); 3092 3093 /* Set SLV-T Bank : 0x2B */ 3094 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2B); 3095 cxd2841er_write_reg(priv, I2C_SLVT, 0x4B, 0x2F); 3096 cxd2841er_write_reg(priv, I2C_SLVT, 0x9E, 0x0E); 3097 3098 /* Set SLV-T Bank : 0x2D */ 3099 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2D); 3100 data[0] = 0x89; 3101 data[1] = 0x89; 3102 cxd2841er_write_regs(priv, I2C_SLVT, 0x24, data, 2); 3103 3104 /* Set SLV-T Bank : 0x5E */ 3105 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x5E); 3106 data[0] = 0x24; 3107 data[1] = 0x95; 3108 cxd2841er_write_regs(priv, I2C_SLVT, 0x8C, data, 2); 3109 } 3110 3111 cxd2841er_sleep_tc_to_active_t2_band(priv, bandwidth); 3112 3113 /* Set SLV-T Bank : 0x00 */ 3114 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3115 /* Disable HiZ Setting 1 */ 3116 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 3117 /* Disable HiZ Setting 2 */ 3118 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 3119 priv->state = STATE_ACTIVE_TC; 3120 return 0; 3121 } 3122 3123 /* ISDB-Tb part */ 3124 static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv, 3125 u32 bandwidth) 3126 { 3127 u8 data[2] = { 0x09, 0x54 }; 3128 u8 data24m[2] = {0x60, 0x00}; 3129 u8 data24m2[3] = {0xB7, 0x1B, 0x00}; 3130 3131 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3132 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT); 3133 /* Set SLV-X Bank : 0x00 */ 3134 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 3135 /* Set demod mode */ 3136 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x06); 3137 /* Set SLV-T Bank : 0x00 */ 3138 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3139 /* Enable demod clock */ 3140 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 3141 /* Enable RF level monitor */ 3142 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x01); 3143 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x01); 3144 /* Enable ADC clock */ 3145 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 3146 /* Enable ADC 1 */ 3147 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 3148 /* xtal freq 20.5MHz or 24M */ 3149 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 3150 /* Enable ADC 4 */ 3151 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 3152 /* ASCOT setting */ 3153 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 3154 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 3155 /* FEC Auto Recovery setting */ 3156 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01); 3157 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x00, 0x01); 3158 /* ISDB-T initial setting */ 3159 /* Set SLV-T Bank : 0x00 */ 3160 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3161 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x00, 0x01); 3162 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x00, 0x01); 3163 /* Set SLV-T Bank : 0x10 */ 3164 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3165 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x69, 0x04, 0x07); 3166 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x6B, 0x03, 0x07); 3167 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9D, 0x50, 0xFF); 3168 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xD3, 0x06, 0x1F); 3169 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xED, 0x00, 0x01); 3170 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xE2, 0xCE, 0x80); 3171 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xF2, 0x13, 0x10); 3172 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xDE, 0x2E, 0x3F); 3173 /* Set SLV-T Bank : 0x15 */ 3174 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15); 3175 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xDE, 0x02, 0x03); 3176 /* Set SLV-T Bank : 0x1E */ 3177 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x1E); 3178 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x73, 0x68, 0xFF); 3179 /* Set SLV-T Bank : 0x63 */ 3180 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x63); 3181 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x81, 0x00, 0x01); 3182 3183 /* for xtal 24MHz */ 3184 /* Set SLV-T Bank : 0x10 */ 3185 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3186 cxd2841er_write_regs(priv, I2C_SLVT, 0xBF, data24m, 2); 3187 /* Set SLV-T Bank : 0x60 */ 3188 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60); 3189 cxd2841er_write_regs(priv, I2C_SLVT, 0xA8, data24m2, 3); 3190 3191 cxd2841er_sleep_tc_to_active_i_band(priv, bandwidth); 3192 /* Set SLV-T Bank : 0x00 */ 3193 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3194 /* Disable HiZ Setting 1 */ 3195 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 3196 /* Disable HiZ Setting 2 */ 3197 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 3198 priv->state = STATE_ACTIVE_TC; 3199 return 0; 3200 } 3201 3202 static int cxd2841er_sleep_tc_to_active_c(struct cxd2841er_priv *priv, 3203 u32 bandwidth) 3204 { 3205 u8 data[2] = { 0x09, 0x54 }; 3206 3207 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3208 cxd2841er_set_ts_clock_mode(priv, SYS_DVBC_ANNEX_A); 3209 /* Set SLV-X Bank : 0x00 */ 3210 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); 3211 /* Set demod mode */ 3212 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x04); 3213 /* Set SLV-T Bank : 0x00 */ 3214 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3215 /* Enable demod clock */ 3216 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); 3217 /* Disable RF level monitor */ 3218 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x00); 3219 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); 3220 /* Enable ADC clock */ 3221 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); 3222 /* Enable ADC 1 */ 3223 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); 3224 /* xtal freq 20.5MHz */ 3225 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); 3226 /* Enable ADC 4 */ 3227 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); 3228 /* Set SLV-T Bank : 0x10 */ 3229 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3230 /* IFAGC gain settings */ 3231 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x09, 0x1f); 3232 /* Set SLV-T Bank : 0x11 */ 3233 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); 3234 /* BBAGC TARGET level setting */ 3235 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x48); 3236 /* Set SLV-T Bank : 0x10 */ 3237 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3238 /* ASCOT setting */ 3239 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 3240 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01); 3241 /* Set SLV-T Bank : 0x40 */ 3242 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); 3243 /* Demod setting */ 3244 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc3, 0x00, 0x04); 3245 /* Set SLV-T Bank : 0x00 */ 3246 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3247 /* TSIF setting */ 3248 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); 3249 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); 3250 3251 cxd2841er_sleep_tc_to_active_c_band(priv, bandwidth); 3252 /* Set SLV-T Bank : 0x00 */ 3253 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3254 /* Disable HiZ Setting 1 */ 3255 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); 3256 /* Disable HiZ Setting 2 */ 3257 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); 3258 priv->state = STATE_ACTIVE_TC; 3259 return 0; 3260 } 3261 3262 static int cxd2841er_get_frontend(struct dvb_frontend *fe, 3263 struct dtv_frontend_properties *p) 3264 { 3265 enum fe_status status = 0; 3266 struct cxd2841er_priv *priv = fe->demodulator_priv; 3267 3268 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3269 if (priv->state == STATE_ACTIVE_S) 3270 cxd2841er_read_status_s(fe, &status); 3271 else if (priv->state == STATE_ACTIVE_TC) 3272 cxd2841er_read_status_tc(fe, &status); 3273 3274 if (priv->state == STATE_ACTIVE_TC || priv->state == STATE_ACTIVE_S) 3275 cxd2841er_read_signal_strength(fe); 3276 else 3277 p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3278 3279 if (status & FE_HAS_LOCK) { 3280 if (priv->stats_time && 3281 (!time_after(jiffies, priv->stats_time))) 3282 return 0; 3283 3284 /* Prevent retrieving stats faster than once per second */ 3285 priv->stats_time = jiffies + msecs_to_jiffies(1000); 3286 3287 cxd2841er_read_snr(fe); 3288 cxd2841er_read_ucblocks(fe); 3289 cxd2841er_read_ber(fe); 3290 } else { 3291 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3292 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3293 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3294 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3295 } 3296 return 0; 3297 } 3298 3299 static int cxd2841er_set_frontend_s(struct dvb_frontend *fe) 3300 { 3301 int ret = 0, i, timeout, carr_offset; 3302 enum fe_status status; 3303 struct cxd2841er_priv *priv = fe->demodulator_priv; 3304 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3305 u32 symbol_rate = p->symbol_rate/1000; 3306 3307 dev_dbg(&priv->i2c->dev, "%s(): %s frequency=%d symbol_rate=%d xtal=%d\n", 3308 __func__, 3309 (p->delivery_system == SYS_DVBS ? "DVB-S" : "DVB-S2"), 3310 p->frequency, symbol_rate, priv->xtal); 3311 3312 if (priv->flags & CXD2841ER_EARLY_TUNE) 3313 cxd2841er_tuner_set(fe); 3314 3315 switch (priv->state) { 3316 case STATE_SLEEP_S: 3317 ret = cxd2841er_sleep_s_to_active_s( 3318 priv, p->delivery_system, symbol_rate); 3319 break; 3320 case STATE_ACTIVE_S: 3321 ret = cxd2841er_retune_active(priv, p); 3322 break; 3323 default: 3324 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3325 __func__, priv->state); 3326 ret = -EINVAL; 3327 goto done; 3328 } 3329 if (ret) { 3330 dev_dbg(&priv->i2c->dev, "%s(): tune failed\n", __func__); 3331 goto done; 3332 } 3333 3334 if (!(priv->flags & CXD2841ER_EARLY_TUNE)) 3335 cxd2841er_tuner_set(fe); 3336 3337 cxd2841er_tune_done(priv); 3338 timeout = DIV_ROUND_UP(3000000, symbol_rate) + 150; 3339 3340 i = 0; 3341 do { 3342 usleep_range(CXD2841ER_DVBS_POLLING_INVL*1000, 3343 (CXD2841ER_DVBS_POLLING_INVL + 2) * 1000); 3344 cxd2841er_read_status_s(fe, &status); 3345 if (status & FE_HAS_LOCK) 3346 break; 3347 i++; 3348 } while (i < timeout / CXD2841ER_DVBS_POLLING_INVL); 3349 3350 if (status & FE_HAS_LOCK) { 3351 if (cxd2841er_get_carrier_offset_s_s2( 3352 priv, &carr_offset)) { 3353 ret = -EINVAL; 3354 goto done; 3355 } 3356 dev_dbg(&priv->i2c->dev, "%s(): carrier_offset=%d\n", 3357 __func__, carr_offset); 3358 } 3359 done: 3360 /* Reset stats */ 3361 p->strength.stat[0].scale = FE_SCALE_RELATIVE; 3362 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3363 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3364 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3365 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3366 3367 /* Reset the wait for jiffies logic */ 3368 priv->stats_time = 0; 3369 3370 return ret; 3371 } 3372 3373 static int cxd2841er_set_frontend_tc(struct dvb_frontend *fe) 3374 { 3375 int ret = 0, timeout; 3376 enum fe_status status; 3377 struct cxd2841er_priv *priv = fe->demodulator_priv; 3378 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3379 3380 dev_dbg(&priv->i2c->dev, "%s() delivery_system=%d bandwidth_hz=%d\n", 3381 __func__, p->delivery_system, p->bandwidth_hz); 3382 3383 if (priv->flags & CXD2841ER_EARLY_TUNE) 3384 cxd2841er_tuner_set(fe); 3385 3386 /* deconfigure/put demod to sleep on delsys switch if active */ 3387 if (priv->state == STATE_ACTIVE_TC && 3388 priv->system != p->delivery_system) { 3389 dev_dbg(&priv->i2c->dev, "%s(): old_delsys=%d, new_delsys=%d -> sleep\n", 3390 __func__, priv->system, p->delivery_system); 3391 cxd2841er_sleep_tc(fe); 3392 } 3393 3394 if (p->delivery_system == SYS_DVBT) { 3395 priv->system = SYS_DVBT; 3396 switch (priv->state) { 3397 case STATE_SLEEP_TC: 3398 ret = cxd2841er_sleep_tc_to_active_t( 3399 priv, p->bandwidth_hz); 3400 break; 3401 case STATE_ACTIVE_TC: 3402 ret = cxd2841er_retune_active(priv, p); 3403 break; 3404 default: 3405 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3406 __func__, priv->state); 3407 ret = -EINVAL; 3408 } 3409 } else if (p->delivery_system == SYS_DVBT2) { 3410 priv->system = SYS_DVBT2; 3411 cxd2841er_dvbt2_set_plp_config(priv, 3412 (int)(p->stream_id > 255), p->stream_id); 3413 cxd2841er_dvbt2_set_profile(priv, DVBT2_PROFILE_BASE); 3414 switch (priv->state) { 3415 case STATE_SLEEP_TC: 3416 ret = cxd2841er_sleep_tc_to_active_t2(priv, 3417 p->bandwidth_hz); 3418 break; 3419 case STATE_ACTIVE_TC: 3420 ret = cxd2841er_retune_active(priv, p); 3421 break; 3422 default: 3423 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3424 __func__, priv->state); 3425 ret = -EINVAL; 3426 } 3427 } else if (p->delivery_system == SYS_ISDBT) { 3428 priv->system = SYS_ISDBT; 3429 switch (priv->state) { 3430 case STATE_SLEEP_TC: 3431 ret = cxd2841er_sleep_tc_to_active_i( 3432 priv, p->bandwidth_hz); 3433 break; 3434 case STATE_ACTIVE_TC: 3435 ret = cxd2841er_retune_active(priv, p); 3436 break; 3437 default: 3438 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3439 __func__, priv->state); 3440 ret = -EINVAL; 3441 } 3442 } else if (p->delivery_system == SYS_DVBC_ANNEX_A || 3443 p->delivery_system == SYS_DVBC_ANNEX_C) { 3444 priv->system = SYS_DVBC_ANNEX_A; 3445 /* correct bandwidth */ 3446 if (p->bandwidth_hz != 6000000 && 3447 p->bandwidth_hz != 7000000 && 3448 p->bandwidth_hz != 8000000) { 3449 p->bandwidth_hz = 8000000; 3450 dev_dbg(&priv->i2c->dev, "%s(): forcing bandwidth to %d\n", 3451 __func__, p->bandwidth_hz); 3452 } 3453 3454 switch (priv->state) { 3455 case STATE_SLEEP_TC: 3456 ret = cxd2841er_sleep_tc_to_active_c( 3457 priv, p->bandwidth_hz); 3458 break; 3459 case STATE_ACTIVE_TC: 3460 ret = cxd2841er_retune_active(priv, p); 3461 break; 3462 default: 3463 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", 3464 __func__, priv->state); 3465 ret = -EINVAL; 3466 } 3467 } else { 3468 dev_dbg(&priv->i2c->dev, 3469 "%s(): invalid delivery system %d\n", 3470 __func__, p->delivery_system); 3471 ret = -EINVAL; 3472 } 3473 if (ret) 3474 goto done; 3475 3476 if (!(priv->flags & CXD2841ER_EARLY_TUNE)) 3477 cxd2841er_tuner_set(fe); 3478 3479 cxd2841er_tune_done(priv); 3480 3481 if (priv->flags & CXD2841ER_NO_WAIT_LOCK) 3482 goto done; 3483 3484 timeout = 2500; 3485 while (timeout > 0) { 3486 ret = cxd2841er_read_status_tc(fe, &status); 3487 if (ret) 3488 goto done; 3489 if (status & FE_HAS_LOCK) 3490 break; 3491 msleep(20); 3492 timeout -= 20; 3493 } 3494 if (timeout < 0) 3495 dev_dbg(&priv->i2c->dev, 3496 "%s(): LOCK wait timeout\n", __func__); 3497 done: 3498 return ret; 3499 } 3500 3501 static int cxd2841er_tune_s(struct dvb_frontend *fe, 3502 bool re_tune, 3503 unsigned int mode_flags, 3504 unsigned int *delay, 3505 enum fe_status *status) 3506 { 3507 int ret, carrier_offset; 3508 struct cxd2841er_priv *priv = fe->demodulator_priv; 3509 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3510 3511 dev_dbg(&priv->i2c->dev, "%s() re_tune=%d\n", __func__, re_tune); 3512 if (re_tune) { 3513 ret = cxd2841er_set_frontend_s(fe); 3514 if (ret) 3515 return ret; 3516 cxd2841er_read_status_s(fe, status); 3517 if (*status & FE_HAS_LOCK) { 3518 if (cxd2841er_get_carrier_offset_s_s2( 3519 priv, &carrier_offset)) 3520 return -EINVAL; 3521 p->frequency += carrier_offset; 3522 ret = cxd2841er_set_frontend_s(fe); 3523 if (ret) 3524 return ret; 3525 } 3526 } 3527 *delay = HZ / 5; 3528 return cxd2841er_read_status_s(fe, status); 3529 } 3530 3531 static int cxd2841er_tune_tc(struct dvb_frontend *fe, 3532 bool re_tune, 3533 unsigned int mode_flags, 3534 unsigned int *delay, 3535 enum fe_status *status) 3536 { 3537 int ret, carrier_offset; 3538 struct cxd2841er_priv *priv = fe->demodulator_priv; 3539 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3540 3541 dev_dbg(&priv->i2c->dev, "%s(): re_tune %d bandwidth=%d\n", __func__, 3542 re_tune, p->bandwidth_hz); 3543 if (re_tune) { 3544 ret = cxd2841er_set_frontend_tc(fe); 3545 if (ret) 3546 return ret; 3547 cxd2841er_read_status_tc(fe, status); 3548 if (*status & FE_HAS_LOCK) { 3549 switch (priv->system) { 3550 case SYS_ISDBT: 3551 ret = cxd2841er_get_carrier_offset_i( 3552 priv, p->bandwidth_hz, 3553 &carrier_offset); 3554 if (ret) 3555 return ret; 3556 break; 3557 case SYS_DVBT: 3558 ret = cxd2841er_get_carrier_offset_t( 3559 priv, p->bandwidth_hz, 3560 &carrier_offset); 3561 if (ret) 3562 return ret; 3563 break; 3564 case SYS_DVBT2: 3565 ret = cxd2841er_get_carrier_offset_t2( 3566 priv, p->bandwidth_hz, 3567 &carrier_offset); 3568 if (ret) 3569 return ret; 3570 break; 3571 case SYS_DVBC_ANNEX_A: 3572 ret = cxd2841er_get_carrier_offset_c( 3573 priv, &carrier_offset); 3574 if (ret) 3575 return ret; 3576 break; 3577 default: 3578 dev_dbg(&priv->i2c->dev, 3579 "%s(): invalid delivery system %d\n", 3580 __func__, priv->system); 3581 return -EINVAL; 3582 } 3583 dev_dbg(&priv->i2c->dev, "%s(): carrier offset %d\n", 3584 __func__, carrier_offset); 3585 p->frequency += carrier_offset; 3586 ret = cxd2841er_set_frontend_tc(fe); 3587 if (ret) 3588 return ret; 3589 } 3590 } 3591 *delay = HZ / 5; 3592 return cxd2841er_read_status_tc(fe, status); 3593 } 3594 3595 static int cxd2841er_sleep_s(struct dvb_frontend *fe) 3596 { 3597 struct cxd2841er_priv *priv = fe->demodulator_priv; 3598 3599 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3600 cxd2841er_active_s_to_sleep_s(fe->demodulator_priv); 3601 cxd2841er_sleep_s_to_shutdown(fe->demodulator_priv); 3602 return 0; 3603 } 3604 3605 static int cxd2841er_sleep_tc(struct dvb_frontend *fe) 3606 { 3607 struct cxd2841er_priv *priv = fe->demodulator_priv; 3608 3609 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3610 3611 if (priv->state == STATE_ACTIVE_TC) { 3612 switch (priv->system) { 3613 case SYS_DVBT: 3614 cxd2841er_active_t_to_sleep_tc(priv); 3615 break; 3616 case SYS_DVBT2: 3617 cxd2841er_active_t2_to_sleep_tc(priv); 3618 break; 3619 case SYS_ISDBT: 3620 cxd2841er_active_i_to_sleep_tc(priv); 3621 break; 3622 case SYS_DVBC_ANNEX_A: 3623 cxd2841er_active_c_to_sleep_tc(priv); 3624 break; 3625 default: 3626 dev_warn(&priv->i2c->dev, 3627 "%s(): unknown delivery system %d\n", 3628 __func__, priv->system); 3629 } 3630 } 3631 if (priv->state != STATE_SLEEP_TC) { 3632 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", 3633 __func__, priv->state); 3634 return -EINVAL; 3635 } 3636 return 0; 3637 } 3638 3639 static int cxd2841er_shutdown_tc(struct dvb_frontend *fe) 3640 { 3641 struct cxd2841er_priv *priv = fe->demodulator_priv; 3642 3643 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3644 3645 if (!cxd2841er_sleep_tc(fe)) 3646 cxd2841er_sleep_tc_to_shutdown(priv); 3647 return 0; 3648 } 3649 3650 static int cxd2841er_send_burst(struct dvb_frontend *fe, 3651 enum fe_sec_mini_cmd burst) 3652 { 3653 u8 data; 3654 struct cxd2841er_priv *priv = fe->demodulator_priv; 3655 3656 dev_dbg(&priv->i2c->dev, "%s(): burst mode %s\n", __func__, 3657 (burst == SEC_MINI_A ? "A" : "B")); 3658 if (priv->state != STATE_SLEEP_S && 3659 priv->state != STATE_ACTIVE_S) { 3660 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", 3661 __func__, priv->state); 3662 return -EINVAL; 3663 } 3664 data = (burst == SEC_MINI_A ? 0 : 1); 3665 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); 3666 cxd2841er_write_reg(priv, I2C_SLVT, 0x34, 0x01); 3667 cxd2841er_write_reg(priv, I2C_SLVT, 0x35, data); 3668 return 0; 3669 } 3670 3671 static int cxd2841er_set_tone(struct dvb_frontend *fe, 3672 enum fe_sec_tone_mode tone) 3673 { 3674 u8 data; 3675 struct cxd2841er_priv *priv = fe->demodulator_priv; 3676 3677 dev_dbg(&priv->i2c->dev, "%s(): tone %s\n", __func__, 3678 (tone == SEC_TONE_ON ? "On" : "Off")); 3679 if (priv->state != STATE_SLEEP_S && 3680 priv->state != STATE_ACTIVE_S) { 3681 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", 3682 __func__, priv->state); 3683 return -EINVAL; 3684 } 3685 data = (tone == SEC_TONE_ON ? 1 : 0); 3686 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); 3687 cxd2841er_write_reg(priv, I2C_SLVT, 0x36, data); 3688 return 0; 3689 } 3690 3691 static int cxd2841er_send_diseqc_msg(struct dvb_frontend *fe, 3692 struct dvb_diseqc_master_cmd *cmd) 3693 { 3694 int i; 3695 u8 data[12]; 3696 struct cxd2841er_priv *priv = fe->demodulator_priv; 3697 3698 if (priv->state != STATE_SLEEP_S && 3699 priv->state != STATE_ACTIVE_S) { 3700 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", 3701 __func__, priv->state); 3702 return -EINVAL; 3703 } 3704 dev_dbg(&priv->i2c->dev, 3705 "%s(): cmd->len %d\n", __func__, cmd->msg_len); 3706 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); 3707 /* DiDEqC enable */ 3708 cxd2841er_write_reg(priv, I2C_SLVT, 0x33, 0x01); 3709 /* cmd1 length & data */ 3710 cxd2841er_write_reg(priv, I2C_SLVT, 0x3d, cmd->msg_len); 3711 memset(data, 0, sizeof(data)); 3712 for (i = 0; i < cmd->msg_len && i < sizeof(data); i++) 3713 data[i] = cmd->msg[i]; 3714 cxd2841er_write_regs(priv, I2C_SLVT, 0x3e, data, sizeof(data)); 3715 /* repeat count for cmd1 */ 3716 cxd2841er_write_reg(priv, I2C_SLVT, 0x37, 1); 3717 /* repeat count for cmd2: always 0 */ 3718 cxd2841er_write_reg(priv, I2C_SLVT, 0x38, 0); 3719 /* start transmit */ 3720 cxd2841er_write_reg(priv, I2C_SLVT, 0x32, 0x01); 3721 /* wait for 1 sec timeout */ 3722 for (i = 0; i < 50; i++) { 3723 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, data); 3724 if (!data[0]) { 3725 dev_dbg(&priv->i2c->dev, 3726 "%s(): DiSEqC cmd has been sent\n", __func__); 3727 return 0; 3728 } 3729 msleep(20); 3730 } 3731 dev_dbg(&priv->i2c->dev, 3732 "%s(): DiSEqC cmd transmit timeout\n", __func__); 3733 return -ETIMEDOUT; 3734 } 3735 3736 static void cxd2841er_release(struct dvb_frontend *fe) 3737 { 3738 struct cxd2841er_priv *priv = fe->demodulator_priv; 3739 3740 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3741 kfree(priv); 3742 } 3743 3744 static int cxd2841er_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) 3745 { 3746 struct cxd2841er_priv *priv = fe->demodulator_priv; 3747 3748 dev_dbg(&priv->i2c->dev, "%s(): enable=%d\n", __func__, enable); 3749 cxd2841er_set_reg_bits( 3750 priv, I2C_SLVX, 0x8, (enable ? 0x01 : 0x00), 0x01); 3751 return 0; 3752 } 3753 3754 static enum dvbfe_algo cxd2841er_get_algo(struct dvb_frontend *fe) 3755 { 3756 struct cxd2841er_priv *priv = fe->demodulator_priv; 3757 3758 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3759 return DVBFE_ALGO_HW; 3760 } 3761 3762 static void cxd2841er_init_stats(struct dvb_frontend *fe) 3763 { 3764 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3765 3766 p->strength.len = 1; 3767 p->strength.stat[0].scale = FE_SCALE_RELATIVE; 3768 p->cnr.len = 1; 3769 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3770 p->block_error.len = 1; 3771 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3772 p->post_bit_error.len = 1; 3773 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3774 p->post_bit_count.len = 1; 3775 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 3776 } 3777 3778 3779 static int cxd2841er_init_s(struct dvb_frontend *fe) 3780 { 3781 struct cxd2841er_priv *priv = fe->demodulator_priv; 3782 3783 /* sanity. force demod to SHUTDOWN state */ 3784 if (priv->state == STATE_SLEEP_S) { 3785 dev_dbg(&priv->i2c->dev, "%s() forcing sleep->shutdown\n", 3786 __func__); 3787 cxd2841er_sleep_s_to_shutdown(priv); 3788 } else if (priv->state == STATE_ACTIVE_S) { 3789 dev_dbg(&priv->i2c->dev, "%s() forcing active->sleep->shutdown\n", 3790 __func__); 3791 cxd2841er_active_s_to_sleep_s(priv); 3792 cxd2841er_sleep_s_to_shutdown(priv); 3793 } 3794 3795 dev_dbg(&priv->i2c->dev, "%s()\n", __func__); 3796 cxd2841er_shutdown_to_sleep_s(priv); 3797 /* SONY_DEMOD_CONFIG_SAT_IFAGCNEG set to 1 */ 3798 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); 3799 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xb9, 0x01, 0x01); 3800 3801 cxd2841er_init_stats(fe); 3802 3803 return 0; 3804 } 3805 3806 static int cxd2841er_init_tc(struct dvb_frontend *fe) 3807 { 3808 struct cxd2841er_priv *priv = fe->demodulator_priv; 3809 struct dtv_frontend_properties *p = &fe->dtv_property_cache; 3810 3811 dev_dbg(&priv->i2c->dev, "%s() bandwidth_hz=%d\n", 3812 __func__, p->bandwidth_hz); 3813 cxd2841er_shutdown_to_sleep_tc(priv); 3814 /* SONY_DEMOD_CONFIG_IFAGCNEG = 1 (0 for NO_AGCNEG */ 3815 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); 3816 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcb, 3817 ((priv->flags & CXD2841ER_NO_AGCNEG) ? 0x00 : 0x40), 0x40); 3818 /* SONY_DEMOD_CONFIG_IFAGC_ADC_FS = 0 */ 3819 cxd2841er_write_reg(priv, I2C_SLVT, 0xcd, 0x50); 3820 /* SONY_DEMOD_CONFIG_PARALLEL_SEL = 1 */ 3821 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); 3822 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 3823 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x80 : 0x00), 0x80); 3824 3825 /* clear TSCFG bits 3+4 */ 3826 if (priv->flags & CXD2841ER_TSBITS) 3827 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 0x00, 0x18); 3828 3829 cxd2841er_init_stats(fe); 3830 3831 return 0; 3832 } 3833 3834 static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops; 3835 static struct dvb_frontend_ops cxd2841er_t_c_ops; 3836 3837 static struct dvb_frontend *cxd2841er_attach(struct cxd2841er_config *cfg, 3838 struct i2c_adapter *i2c, 3839 u8 system) 3840 { 3841 u8 chip_id = 0; 3842 const char *type; 3843 const char *name; 3844 struct cxd2841er_priv *priv = NULL; 3845 3846 /* allocate memory for the internal state */ 3847 priv = kzalloc(sizeof(struct cxd2841er_priv), GFP_KERNEL); 3848 if (!priv) 3849 return NULL; 3850 priv->i2c = i2c; 3851 priv->config = cfg; 3852 priv->i2c_addr_slvx = (cfg->i2c_addr + 4) >> 1; 3853 priv->i2c_addr_slvt = (cfg->i2c_addr) >> 1; 3854 priv->xtal = cfg->xtal; 3855 priv->flags = cfg->flags; 3856 priv->frontend.demodulator_priv = priv; 3857 dev_info(&priv->i2c->dev, 3858 "%s(): I2C adapter %p SLVX addr %x SLVT addr %x\n", 3859 __func__, priv->i2c, 3860 priv->i2c_addr_slvx, priv->i2c_addr_slvt); 3861 chip_id = cxd2841er_chip_id(priv); 3862 switch (chip_id) { 3863 case CXD2837ER_CHIP_ID: 3864 snprintf(cxd2841er_t_c_ops.info.name, 128, 3865 "Sony CXD2837ER DVB-T/T2/C demodulator"); 3866 name = "CXD2837ER"; 3867 type = "C/T/T2"; 3868 break; 3869 case CXD2838ER_CHIP_ID: 3870 snprintf(cxd2841er_t_c_ops.info.name, 128, 3871 "Sony CXD2838ER ISDB-T demodulator"); 3872 cxd2841er_t_c_ops.delsys[0] = SYS_ISDBT; 3873 cxd2841er_t_c_ops.delsys[1] = SYS_UNDEFINED; 3874 cxd2841er_t_c_ops.delsys[2] = SYS_UNDEFINED; 3875 name = "CXD2838ER"; 3876 type = "ISDB-T"; 3877 break; 3878 case CXD2841ER_CHIP_ID: 3879 snprintf(cxd2841er_t_c_ops.info.name, 128, 3880 "Sony CXD2841ER DVB-T/T2/C demodulator"); 3881 name = "CXD2841ER"; 3882 type = "T/T2/C/ISDB-T"; 3883 break; 3884 case CXD2843ER_CHIP_ID: 3885 snprintf(cxd2841er_t_c_ops.info.name, 128, 3886 "Sony CXD2843ER DVB-T/T2/C/C2 demodulator"); 3887 name = "CXD2843ER"; 3888 type = "C/C2/T/T2"; 3889 break; 3890 case CXD2854ER_CHIP_ID: 3891 snprintf(cxd2841er_t_c_ops.info.name, 128, 3892 "Sony CXD2854ER DVB-T/T2/C and ISDB-T demodulator"); 3893 cxd2841er_t_c_ops.delsys[3] = SYS_ISDBT; 3894 name = "CXD2854ER"; 3895 type = "C/C2/T/T2/ISDB-T"; 3896 break; 3897 default: 3898 dev_err(&priv->i2c->dev, "%s(): invalid chip ID 0x%02x\n", 3899 __func__, chip_id); 3900 priv->frontend.demodulator_priv = NULL; 3901 kfree(priv); 3902 return NULL; 3903 } 3904 3905 /* create dvb_frontend */ 3906 if (system == SYS_DVBS) { 3907 memcpy(&priv->frontend.ops, 3908 &cxd2841er_dvbs_s2_ops, 3909 sizeof(struct dvb_frontend_ops)); 3910 type = "S/S2"; 3911 } else { 3912 memcpy(&priv->frontend.ops, 3913 &cxd2841er_t_c_ops, 3914 sizeof(struct dvb_frontend_ops)); 3915 } 3916 3917 dev_info(&priv->i2c->dev, 3918 "%s(): attaching %s DVB-%s frontend\n", 3919 __func__, name, type); 3920 dev_info(&priv->i2c->dev, "%s(): chip ID 0x%02x OK.\n", 3921 __func__, chip_id); 3922 return &priv->frontend; 3923 } 3924 3925 struct dvb_frontend *cxd2841er_attach_s(struct cxd2841er_config *cfg, 3926 struct i2c_adapter *i2c) 3927 { 3928 return cxd2841er_attach(cfg, i2c, SYS_DVBS); 3929 } 3930 EXPORT_SYMBOL_GPL(cxd2841er_attach_s); 3931 3932 struct dvb_frontend *cxd2841er_attach_t_c(struct cxd2841er_config *cfg, 3933 struct i2c_adapter *i2c) 3934 { 3935 return cxd2841er_attach(cfg, i2c, 0); 3936 } 3937 EXPORT_SYMBOL_GPL(cxd2841er_attach_t_c); 3938 3939 static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops = { 3940 .delsys = { SYS_DVBS, SYS_DVBS2 }, 3941 .info = { 3942 .name = "Sony CXD2841ER DVB-S/S2 demodulator", 3943 .frequency_min_hz = 500 * MHz, 3944 .frequency_max_hz = 2500 * MHz, 3945 .symbol_rate_min = 1000000, 3946 .symbol_rate_max = 45000000, 3947 .symbol_rate_tolerance = 500, 3948 .caps = FE_CAN_INVERSION_AUTO | 3949 FE_CAN_FEC_AUTO | 3950 FE_CAN_QPSK, 3951 }, 3952 .init = cxd2841er_init_s, 3953 .sleep = cxd2841er_sleep_s, 3954 .release = cxd2841er_release, 3955 .set_frontend = cxd2841er_set_frontend_s, 3956 .get_frontend = cxd2841er_get_frontend, 3957 .read_status = cxd2841er_read_status_s, 3958 .i2c_gate_ctrl = cxd2841er_i2c_gate_ctrl, 3959 .get_frontend_algo = cxd2841er_get_algo, 3960 .set_tone = cxd2841er_set_tone, 3961 .diseqc_send_burst = cxd2841er_send_burst, 3962 .diseqc_send_master_cmd = cxd2841er_send_diseqc_msg, 3963 .tune = cxd2841er_tune_s 3964 }; 3965 3966 static struct dvb_frontend_ops cxd2841er_t_c_ops = { 3967 .delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A }, 3968 .info = { 3969 .name = "", /* will set in attach function */ 3970 .caps = FE_CAN_FEC_1_2 | 3971 FE_CAN_FEC_2_3 | 3972 FE_CAN_FEC_3_4 | 3973 FE_CAN_FEC_5_6 | 3974 FE_CAN_FEC_7_8 | 3975 FE_CAN_FEC_AUTO | 3976 FE_CAN_QPSK | 3977 FE_CAN_QAM_16 | 3978 FE_CAN_QAM_32 | 3979 FE_CAN_QAM_64 | 3980 FE_CAN_QAM_128 | 3981 FE_CAN_QAM_256 | 3982 FE_CAN_QAM_AUTO | 3983 FE_CAN_TRANSMISSION_MODE_AUTO | 3984 FE_CAN_GUARD_INTERVAL_AUTO | 3985 FE_CAN_HIERARCHY_AUTO | 3986 FE_CAN_MUTE_TS | 3987 FE_CAN_2G_MODULATION, 3988 .frequency_min_hz = 42 * MHz, 3989 .frequency_max_hz = 1002 * MHz, 3990 .symbol_rate_min = 870000, 3991 .symbol_rate_max = 11700000 3992 }, 3993 .init = cxd2841er_init_tc, 3994 .sleep = cxd2841er_shutdown_tc, 3995 .release = cxd2841er_release, 3996 .set_frontend = cxd2841er_set_frontend_tc, 3997 .get_frontend = cxd2841er_get_frontend, 3998 .read_status = cxd2841er_read_status_tc, 3999 .tune = cxd2841er_tune_tc, 4000 .i2c_gate_ctrl = cxd2841er_i2c_gate_ctrl, 4001 .get_frontend_algo = cxd2841er_get_algo 4002 }; 4003 4004 MODULE_DESCRIPTION("Sony CXD2837/38/41/43/54ER DVB-C/C2/T/T2/S/S2 demodulator driver"); 4005 MODULE_AUTHOR("Sergey Kozlov <serjk@netup.ru>, Abylay Ospan <aospan@netup.ru>"); 4006 MODULE_LICENSE("GPL"); 4007