| 1 | #ifdef HAVE_XORG_CONFIG_H |
| 2 | #include <xorg-config.h> |
| 3 | #endif |
| 4 | |
| 5 | #include <unistd.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <string.h> |
| 8 | #include <math.h> |
| 9 | |
| 10 | #include "xf86.h" |
| 11 | #include "xf86i2c.h" |
| 12 | #include "fi1236.h" |
| 13 | #include "tda9885.h" |
| 14 | #include "i2c_def.h" |
| 15 | |
| 16 | #define NUM_TUNERS 8 |
| 17 | |
| 18 | const FI1236_parameters tuner_parms[NUM_TUNERS] = { |
| 19 | /* 0 - FI1236 */ |
| 20 | {733, 884, 12820, 2516, 7220, 0xA2, 0x94, 0x34, 0x8e}, |
| 21 | /* !!!based on documentation - it should be: |
| 22 | {733, 16*55.25, 16*801.25, 16*160, 16*454, 0xA0, 0x90, 0x30, 0x8e}, */ |
| 23 | |
| 24 | /* 1 - FI1216 */ |
| 25 | {623, 16 * 48.75, 16 * 855.25, 16 * 170, 16 * 450, 0xA0, 0x90, 0x30, 0x8e}, |
| 26 | /* 2 - TEMIC FN5AL */ |
| 27 | {623, 16 * 45.75, 16 * 855.25, 16 * 169, 16 * 454, 0xA0, 0x90, 0x30, 0x8e}, |
| 28 | /* 3 - MT2032.. */ |
| 29 | {733, 768, 13760, 0, 0, 0, 0, 0, 0}, |
| 30 | /* 4 - FI1246 */ |
| 31 | {623, 16 * 45.75, 16 * 855.25, 16 * 170, 16 * 450, 0xA0, 0x90, 0x30, 0x8e}, |
| 32 | /* 5 - FI1256 */ |
| 33 | {623, 16 * 49.75, 16 * 863.25, 16 * 170, 16 * 450, 0xA0, 0x90, 0x30, 0x8e}, |
| 34 | /* 6 - FI1236W */ |
| 35 | /*{ 733, 884, 12820, 2516, 7220, 0x1, 0x2, 0x4, 0x8e }, */ |
| 36 | {732, 16 * 55.25, 16 * 801.25, 16 * 160, 16 * 442, 0x1, 0x2, 0x4, 0x8e}, |
| 37 | /* 7 - FM1216ME */ |
| 38 | {623, 16 * 48.25, 16 * 863.25, 16 * 158.00, 16 * 442.00, 0x1, 0x2, 0x4, 0x8e} |
| 39 | }; |
| 40 | |
| 41 | FI1236Ptr |
| 42 | Detect_FI1236(I2CBusPtr b, I2CSlaveAddr addr) |
| 43 | { |
| 44 | FI1236Ptr f; |
| 45 | I2CByte a; |
| 46 | |
| 47 | f = calloc(1, sizeof(FI1236Rec)); |
| 48 | if (f == NULL) |
| 49 | return NULL; |
| 50 | f->d.DevName = strdup("FI12xx Tuner"); |
| 51 | f->d.SlaveAddr = addr; |
| 52 | f->d.pI2CBus = b; |
| 53 | f->d.NextDev = NULL; |
| 54 | f->d.StartTimeout = b->StartTimeout; |
| 55 | f->d.BitTimeout = b->BitTimeout; |
| 56 | f->d.AcknTimeout = b->AcknTimeout; |
| 57 | f->d.ByteTimeout = b->ByteTimeout; |
| 58 | f->type = TUNER_TYPE_FI1236; |
| 59 | f->afc_timer_installed = FALSE; |
| 60 | f->last_afc_hint = TUNER_OFF; |
| 61 | f->video_if = 45.7812; |
| 62 | |
| 63 | if (!I2C_WriteRead(&(f->d), NULL, 0, &a, 1)) { |
| 64 | free(f); |
| 65 | return NULL; |
| 66 | } |
| 67 | FI1236_set_tuner_type(f, TUNER_TYPE_FI1236); |
| 68 | if (!I2CDevInit(&(f->d))) { |
| 69 | free(f); |
| 70 | return NULL; |
| 71 | } |
| 72 | return f; |
| 73 | } |
| 74 | |
| 75 | static void |
| 76 | MT2032_dump_parameters(FI1236Ptr f, MT2032_parameters * m) |
| 77 | { |
| 78 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 79 | "MT2032: input f_rf=%g f_if1=%g f_if2=%g f_ref=%g f_ifbw=%g f_step=%g\n", |
| 80 | m->f_rf, m->f_if1, m->f_if2, m->f_ref, m->f_ifbw, m->f_step); |
| 81 | |
| 82 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 83 | "MT2032: computed f_lo1=%g f_lo2=%g LO1I=%d LO2I=%d SEL=%d STEP=%d NUM=%d\n", |
| 84 | m->f_lo1, m->f_lo2, m->LO1I, m->LO2I, m->SEL, m->STEP, m->NUM); |
| 85 | } |
| 86 | |
| 87 | static void |
| 88 | MT2032_getid(FI1236Ptr f) |
| 89 | { |
| 90 | CARD8 out[4]; |
| 91 | CARD8 in; |
| 92 | |
| 93 | in = 0x11; |
| 94 | I2C_WriteRead(&(f->d), (I2CByte *) &in, 1, out, 4); |
| 95 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 96 | "MT2032: Company code 0x%02x%02x, part code 0x%02x, revision code 0x%02x\n", |
| 97 | out[0], out[1], out[2], out[3]); |
| 98 | |
| 99 | } |
| 100 | |
| 101 | /* might be buggy */ |
| 102 | #if 0 |
| 103 | static void |
| 104 | MT2032_shutdown(FI1236Ptr f) |
| 105 | { |
| 106 | CARD8 data[10]; |
| 107 | |
| 108 | data[0] = 0x00; /* start with register 0x00 */ |
| 109 | data[1] = 0x1A; |
| 110 | data[2] = 0x44; |
| 111 | data[3] = 0x20; |
| 112 | |
| 113 | I2C_WriteRead(&(f->d), (I2CByte *) data, 4, NULL, 0); |
| 114 | |
| 115 | data[0] = 0x05; /* now start with register 0x05 */ |
| 116 | data[1] = 0xD7; |
| 117 | data[2] = 0x14; |
| 118 | data[3] = 0x05; |
| 119 | I2C_WriteRead(&(f->d), (I2CByte *) data, 4, NULL, 0); |
| 120 | |
| 121 | data[0] = 0x0B; /* now start with register 0x05 */ |
| 122 | data[1] = 0x8F; |
| 123 | data[2] = 0x07; |
| 124 | data[3] = 0x43; |
| 125 | I2C_WriteRead(&(f->d), (I2CByte *) data, 4, NULL, 0); |
| 126 | |
| 127 | usleep(15000); |
| 128 | } |
| 129 | #endif |
| 130 | |
| 131 | static void MT2032_dump_status(FI1236Ptr f); |
| 132 | |
| 133 | static void |
| 134 | MT2032_init(FI1236Ptr f) |
| 135 | { |
| 136 | CARD8 data[10]; |
| 137 | CARD8 value; |
| 138 | CARD8 xogc = 0x00; |
| 139 | |
| 140 | MT2032_getid(f); |
| 141 | |
| 142 | data[0] = 0x02; /* start with register 0x02 */ |
| 143 | data[1] = 0xFF; |
| 144 | data[2] = 0x0F; |
| 145 | data[3] = 0x1F; |
| 146 | |
| 147 | I2C_WriteRead(&(f->d), (I2CByte *) data, 4, NULL, 0); |
| 148 | |
| 149 | data[0] = 0x06; /* now start with register 0x06 */ |
| 150 | data[1] = 0xE4; |
| 151 | data[2] = 0x8F; |
| 152 | data[3] = 0xC3; |
| 153 | data[4] = 0x4E; |
| 154 | data[5] = 0xEC; |
| 155 | I2C_WriteRead(&(f->d), (I2CByte *) data, 6, NULL, 0); |
| 156 | |
| 157 | data[0] = 0x0d; /* now start with register 0x0d */ |
| 158 | data[1] = 0x32; |
| 159 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 160 | |
| 161 | while (1) { |
| 162 | usleep(15000); /* wait 15 milliseconds */ |
| 163 | |
| 164 | data[0] = 0x0e; /* register number 7, status */ |
| 165 | value = 0xFF; |
| 166 | if (!I2C_WriteRead(&(f->d), (I2CByte *) data, 1, &value, 1)) |
| 167 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 168 | "MT2032: failed to read XOK\n"); |
| 169 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 170 | "MT2032: XOK=%d\n", value & 0x01); |
| 171 | if (value & 1) |
| 172 | break; |
| 173 | |
| 174 | data[0] = 0x07; |
| 175 | if (!I2C_WriteRead(&(f->d), (I2CByte *) data, 1, &value, 1)) |
| 176 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 177 | "MT2032: failed to read XOGC\n"); |
| 178 | |
| 179 | xogc = value & 0x7; |
| 180 | if (xogc == 4) |
| 181 | break; /* XOGC has reached 4.. stop */ |
| 182 | xogc--; |
| 183 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 184 | "MT2032: try XOGC=%d\n", xogc); |
| 185 | usleep(15000); |
| 186 | data[0] = 0x07; /* register number 7, control byte 2 */ |
| 187 | data[1] = 0x08 | xogc; |
| 188 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 189 | } |
| 190 | f->xogc = xogc; |
| 191 | /* wait before continuing */ |
| 192 | usleep(15000); /* wait 50 milliseconds */ |
| 193 | MT2032_dump_status(f); |
| 194 | } |
| 195 | |
| 196 | static int |
| 197 | MT2032_no_spur_in_band(MT2032_parameters * m) |
| 198 | { |
| 199 | int n_max, n1, n2; |
| 200 | double f_test; |
| 201 | |
| 202 | n_max = 5; |
| 203 | n1 = 1; |
| 204 | while (1) { |
| 205 | n2 = -n1; |
| 206 | f_test = n1 * (m->f_lo1 - m->f_lo2); |
| 207 | while (1) { |
| 208 | n2--; |
| 209 | f_test = f_test - m->f_lo2; |
| 210 | xf86DrvMsg(0, X_INFO, |
| 211 | "testing f_test=%g n1=%d n2=%d f_lo1=%g f_lo2=%g f_if2=%g\n", |
| 212 | f_test, n1, n2, m->f_lo1, m->f_lo2, m->f_if2); |
| 213 | xf86DrvMsg(0, X_INFO, "d_f=%g f_ifbw=%g\n", |
| 214 | fabs(fabs(f_test) - m->f_if2), m->f_ifbw); |
| 215 | if ((fabs(fabs(f_test) - m->f_if2) * 2.0) <= m->f_ifbw) |
| 216 | return 0; |
| 217 | if (n2 <= -n_max) |
| 218 | break; |
| 219 | /* this line in the manual is bogus. I say it is faster |
| 220 | and more correct to go over all harmonics.. */ |
| 221 | #if 0 |
| 222 | if (f_test < (m->f_lo2 - m->f_if2 - m->f_ifbw)) |
| 223 | break; |
| 224 | #endif |
| 225 | } |
| 226 | n1++; |
| 227 | if (n1 >= n_max) |
| 228 | return 1; |
| 229 | } |
| 230 | |
| 231 | } |
| 232 | |
| 233 | static void |
| 234 | MT2032_calculate_register_settings(MT2032_parameters * m, double f_rf, |
| 235 | double f_if1, double f_if2, double f_ref, |
| 236 | double f_ifbw, double f_step) |
| 237 | { |
| 238 | int n; |
| 239 | |
| 240 | m->f_rf = f_rf; |
| 241 | m->f_if1 = f_if1; |
| 242 | m->f_if2 = f_if2; |
| 243 | m->f_ref = f_ref; |
| 244 | m->f_ifbw = f_ifbw; |
| 245 | m->f_step = f_step; |
| 246 | |
| 247 | m->f_lo1 = f_rf + f_if1; |
| 248 | m->LO1I = lrint(m->f_lo1 / f_ref); |
| 249 | m->f_lo1 = f_ref * m->LO1I; |
| 250 | |
| 251 | m->f_lo2 = m->f_lo1 - f_rf - f_if2; |
| 252 | |
| 253 | /* check for spurs */ |
| 254 | n = 1; |
| 255 | while (n < 3) { |
| 256 | if (MT2032_no_spur_in_band(m)) |
| 257 | break; |
| 258 | |
| 259 | if (m->f_lo1 < (f_rf + f_if1)) |
| 260 | m->LO1I += n; |
| 261 | else |
| 262 | m->LO1I -= n; |
| 263 | |
| 264 | m->f_lo1 = m->LO1I * f_ref; |
| 265 | m->f_lo2 = m->f_lo1 - f_rf - f_if2; |
| 266 | n++; |
| 267 | } |
| 268 | /* xf86DrvMsg(0, X_INFO, "MT2032: n=%d\n", n); */ |
| 269 | /* select VCO */ |
| 270 | |
| 271 | /* m->f_lo1>1100.0 */ |
| 272 | if (m->f_lo1 < 1370.0) |
| 273 | m->SEL = 4; |
| 274 | else if (m->f_lo1 < 1530.0) |
| 275 | m->SEL = 3; |
| 276 | else if (m->f_lo1 < 1720.0) |
| 277 | m->SEL = 2; |
| 278 | else if (m->f_lo1 < 1890.0) |
| 279 | m->SEL = 1; |
| 280 | else /* m->f_lo1 < 1958.0 */ |
| 281 | m->SEL = 0; |
| 282 | |
| 283 | /* calculate the rest of the registers */ |
| 284 | m->LO2I = floor(m->f_lo2 / f_ref); |
| 285 | m->STEP = floor(3780.0 * f_step / f_ref); |
| 286 | m->NUM = floor(3780.0 * (m->f_lo2 / f_ref - m->LO2I)); |
| 287 | m->NUM = m->STEP * lrint((1.0 * m->NUM) / (1.0 * m->STEP)); |
| 288 | } |
| 289 | |
| 290 | static int |
| 291 | MT2032_wait_for_lock(FI1236Ptr f) |
| 292 | { |
| 293 | int n; |
| 294 | CARD8 data[10]; |
| 295 | CARD8 value; |
| 296 | |
| 297 | n = 12; |
| 298 | while (1) { |
| 299 | data[0] = 0x0e; /* register number 7, status */ |
| 300 | I2C_WriteRead(&(f->d), (I2CByte *) data, 1, &value, 1); |
| 301 | /* xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 302 | "MT2032: LO1LK=%d LO2LK=%d\n", |
| 303 | (value & 0x04)>>2, (value & 0x02)>>1); */ |
| 304 | if ((value & 6) == 6) |
| 305 | break; |
| 306 | usleep(1500); |
| 307 | n--; |
| 308 | if (n < 0) |
| 309 | break; |
| 310 | } |
| 311 | if (n < 0) { |
| 312 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 313 | "MT2032: failed to set frequency\n"); |
| 314 | return 0; |
| 315 | } |
| 316 | return 1; |
| 317 | } |
| 318 | |
| 319 | static void |
| 320 | MT2032_implement_settings(FI1236Ptr f, MT2032_parameters * m) |
| 321 | { |
| 322 | CARD8 data[10]; |
| 323 | CARD8 value; |
| 324 | |
| 325 | data[0] = 0x00; /* start with register 0x00 */ |
| 326 | data[1] = (m->LO1I >> 3) - 1; |
| 327 | data[2] = (m->SEL << 4) | (m->LO1I & 0x7); |
| 328 | data[3] = 0x86; |
| 329 | I2C_WriteRead(&(f->d), (I2CByte *) data, 4, NULL, 0); |
| 330 | |
| 331 | data[0] = 0x05; /* start with register 0x05 */ |
| 332 | data[1] = ((m->LO2I & 0x7) << 5) | ((m->LO2I >> 3) - 1); |
| 333 | if (m->f_rf < 400.0) |
| 334 | data[2] = 0xe4; |
| 335 | else |
| 336 | data[2] = 0xf4; |
| 337 | I2C_WriteRead(&(f->d), (I2CByte *) data, 3, NULL, 0); |
| 338 | |
| 339 | data[0] = 0x07; /* register number 7, control byte 2 */ |
| 340 | I2C_WriteRead(&(f->d), (I2CByte *) data, 1, &value, 1); |
| 341 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 342 | "MT2032: using XOGC=%d\n", (value & 0x07)); |
| 343 | data[1] = 8 | (value & 0x7); |
| 344 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 345 | |
| 346 | data[0] = 0x0b; /* start with register 0x0b */ |
| 347 | data[1] = m->NUM & 0xff; |
| 348 | data[2] = (1 << 7) | ((m->NUM >> 8) & 0x0f); |
| 349 | I2C_WriteRead(&(f->d), (I2CByte *) data, 3, NULL, 0); |
| 350 | |
| 351 | MT2032_wait_for_lock(f); |
| 352 | } |
| 353 | |
| 354 | static void |
| 355 | MT2032_optimize_VCO(FI1236Ptr f, MT2032_parameters * m) |
| 356 | { |
| 357 | CARD8 data[10]; |
| 358 | CARD8 value; |
| 359 | CARD8 TAD1; |
| 360 | |
| 361 | data[0] = 0x0f; /* register number 7, status */ |
| 362 | I2C_WriteRead(&(f->d), (I2CByte *) data, 1, &value, 1); |
| 363 | TAD1 = value & 0x07; |
| 364 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 365 | "MT2032: TAD1=%d SEL=%d\n", TAD1, m->SEL); |
| 366 | if (TAD1 < 2) |
| 367 | return; |
| 368 | if (TAD1 == 2) { |
| 369 | if (m->SEL == 0) |
| 370 | return; |
| 371 | m->SEL--; |
| 372 | } |
| 373 | else { |
| 374 | if (m->SEL >= 4) |
| 375 | return; |
| 376 | m->SEL++; |
| 377 | } |
| 378 | data[0] = 0x01; /* start with register 1 */ |
| 379 | data[1] = (m->SEL << 4) | (m->LO1I & 0x7); |
| 380 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 381 | |
| 382 | } |
| 383 | |
| 384 | static int |
| 385 | FI1236_get_afc_hint(FI1236Ptr f) |
| 386 | { |
| 387 | CARD8 out; |
| 388 | CARD8 AFC; |
| 389 | |
| 390 | if ((f->type == TUNER_TYPE_FM1216ME) || (f->type == TUNER_TYPE_FI1236W)) { |
| 391 | TDA9885Ptr t = (TDA9885Ptr) f->afc_source; |
| 392 | |
| 393 | if (t == NULL) |
| 394 | return TUNER_OFF; |
| 395 | |
| 396 | tda9885_getstatus(t); |
| 397 | tda9885_dumpstatus(t); |
| 398 | AFC = t->afc_status & 0x0f; |
| 399 | |
| 400 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 401 | "AFC: FI1236_get_afc_hint: %i\n", AFC); |
| 402 | if (AFC == 0) |
| 403 | return TUNER_TUNED; |
| 404 | else if (AFC <= 0x07) |
| 405 | return TUNER_JUST_BELOW; |
| 406 | else if (AFC < 0x0f) |
| 407 | return TUNER_JUST_ABOVE; |
| 408 | else if (AFC == 0x0f) |
| 409 | return TUNER_TUNED; |
| 410 | } |
| 411 | else { |
| 412 | I2C_WriteRead(&(f->d), NULL, 0, &out, 1); |
| 413 | AFC = out & 0x7; |
| 414 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 415 | "AFC: FI1236_get_afc_hint: %i\n", AFC); |
| 416 | if (AFC == 2) |
| 417 | return TUNER_TUNED; |
| 418 | if (AFC == 3) |
| 419 | return TUNER_JUST_BELOW; |
| 420 | if (AFC == 1) |
| 421 | return TUNER_JUST_ABOVE; |
| 422 | return TUNER_OFF; |
| 423 | } |
| 424 | return TUNER_OFF; |
| 425 | } |
| 426 | |
| 427 | static int |
| 428 | MT2032_get_afc_hint(FI1236Ptr f) |
| 429 | { |
| 430 | CARD8 in; |
| 431 | CARD8 out[2]; |
| 432 | CARD8 AFC; |
| 433 | |
| 434 | in = 0x0e; |
| 435 | I2C_WriteRead(&(f->d), (I2CByte *) &in, 1, out, 2); |
| 436 | AFC = (out[0] >> 4) & 0x7; |
| 437 | #if 0 |
| 438 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC=%d TAD1=%d TAD2=%d\n", |
| 439 | AFC, out[1] & 0x7, (out[1] >> 4) & 0x07); |
| 440 | #endif |
| 441 | if (AFC == 2) |
| 442 | return TUNER_TUNED; |
| 443 | if (AFC == 3) |
| 444 | return TUNER_JUST_BELOW; |
| 445 | if (AFC == 1) |
| 446 | return TUNER_JUST_ABOVE; |
| 447 | return TUNER_OFF; |
| 448 | } |
| 449 | |
| 450 | /* this function is for external use only */ |
| 451 | int |
| 452 | TUNER_get_afc_hint(FI1236Ptr f) |
| 453 | { |
| 454 | if (f->afc_timer_installed) |
| 455 | return TUNER_STILL_TUNING; |
| 456 | return f->last_afc_hint; |
| 457 | } |
| 458 | |
| 459 | static void |
| 460 | MT2032_dump_status(FI1236Ptr f) |
| 461 | { |
| 462 | CARD8 in; |
| 463 | CARD8 out[2]; |
| 464 | CARD8 AFC; |
| 465 | CARD8 LDONrb; |
| 466 | CARD8 LO1LK, LO2LK, XOK; |
| 467 | CARD8 TAD2, TAD1; |
| 468 | |
| 469 | in = 0x0e; |
| 470 | I2C_WriteRead(&(f->d), (I2CByte *) &in, 1, out, 2); |
| 471 | XOK = out[0] & 1; |
| 472 | LO1LK = (out[0] >> 2) & 1; |
| 473 | LO2LK = (out[0] >> 1) & 1; |
| 474 | LDONrb = (out[0] >> 3) & 1; |
| 475 | |
| 476 | AFC = (out[0] >> 4) & 0x7; |
| 477 | |
| 478 | TAD1 = (out[1] & 0x7); |
| 479 | TAD2 = (out[1] >> 4) & 0x7; |
| 480 | |
| 481 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 482 | "MT2032: status: XOK=%d LO1LK=%d LO2LK=%d LDONrb=%d AFC=%d TAD1=%d TAD2=%d\n", |
| 483 | XOK, LO1LK, LO2LK, LDONrb, AFC, TAD1, TAD2); |
| 484 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 485 | "MT2032: status: OSCILLATOR:%s PLL1:%s PLL2:%s\n", |
| 486 | XOK ? "ok" : "off", |
| 487 | LO1LK ? "locked" : "off", LO2LK ? "locked" : "off"); |
| 488 | |
| 489 | } |
| 490 | |
| 491 | static void |
| 492 | MT2032_tune(FI1236Ptr f, double freq, double step) |
| 493 | { |
| 494 | MT2032_parameters m; |
| 495 | CARD8 data[10]; |
| 496 | int i; |
| 497 | |
| 498 | /* NTSC IF is 44mhz.. but 733/16=45.8125 and all TDAXXXX docs mention |
| 499 | 45.75, 39, 58.75 and 30. */ |
| 500 | #if 0 |
| 501 | MT2032_calculate_register_settings(&m, freq, 1090.0, 45.125, 5.25, 6.0, |
| 502 | step); |
| 503 | MT2032_calculate_register_settings(&m, freq, 1090.0, 45.74, 5.25, 6.0, |
| 504 | step); |
| 505 | #endif |
| 506 | MT2032_calculate_register_settings(&m, freq, 1090.0, f->video_if, 5.25, 3.0, |
| 507 | step); |
| 508 | MT2032_dump_parameters(f, &m); |
| 509 | MT2032_implement_settings(f, &m); |
| 510 | /* MT2032_dump_parameters(f, &m); */ |
| 511 | for (i = 0; i < 3; i++) { |
| 512 | MT2032_optimize_VCO(f, &m); |
| 513 | if (MT2032_wait_for_lock(f)) { |
| 514 | data[0] = 0x02; /* LO Gain control register 0x02 */ |
| 515 | data[1] = 0x20; |
| 516 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 517 | return; |
| 518 | } |
| 519 | data[0] = 0x07; |
| 520 | data[1] = 0x88 | f->xogc; |
| 521 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 522 | usleep(15000); |
| 523 | data[1] = 0x08 | f->xogc; |
| 524 | I2C_WriteRead(&(f->d), (I2CByte *) data, 2, NULL, 0); |
| 525 | } |
| 526 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 527 | "MT2032: failed to set frequency\n"); |
| 528 | } |
| 529 | |
| 530 | void |
| 531 | FI1236_set_tuner_type(FI1236Ptr f, int type) |
| 532 | { |
| 533 | f->type = type; |
| 534 | if (type >= NUM_TUNERS) |
| 535 | type = NUM_TUNERS - 1; |
| 536 | if (type < 0) |
| 537 | type = 0; |
| 538 | memcpy(&(f->parm), &(tuner_parms[type]), sizeof(FI1236_parameters)); |
| 539 | f->original_frequency = f->parm.min_freq; |
| 540 | f->afc_delta = 0; |
| 541 | if (type == TUNER_TYPE_MT2032) { |
| 542 | MT2032_init(f); |
| 543 | return; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | static CARD32 |
| 548 | AFC_TimerCallback(OsTimerPtr timer, CARD32 time, pointer data) |
| 549 | { |
| 550 | FI1236Ptr f = (FI1236Ptr) data; |
| 551 | |
| 552 | if (FI1236_AFC(f)) |
| 553 | return 150; |
| 554 | else { |
| 555 | f->afc_timer_installed = FALSE; |
| 556 | f->afc_count = 0; |
| 557 | return 0; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | void |
| 562 | FI1236_tune(FI1236Ptr f, CARD32 frequency) |
| 563 | { |
| 564 | CARD16 divider; |
| 565 | CARD8 data; |
| 566 | |
| 567 | if (frequency < f->parm.min_freq) |
| 568 | frequency = f->parm.min_freq; |
| 569 | if (frequency > f->parm.max_freq) |
| 570 | frequency = f->parm.max_freq; |
| 571 | |
| 572 | divider = (f->parm.fcar + (CARD16) frequency) & 0x7fff; |
| 573 | f->tuner_data.div1 = (CARD8) ((divider >> 8) & 0x7f); |
| 574 | f->tuner_data.div2 = (CARD8) (divider & 0xff); |
| 575 | f->tuner_data.control = f->parm.control; |
| 576 | |
| 577 | if (frequency < f->parm.threshold1) |
| 578 | f->tuner_data.band = f->parm.band_low; |
| 579 | else if (frequency < f->parm.threshold2) |
| 580 | f->tuner_data.band = f->parm.band_mid; |
| 581 | else |
| 582 | f->tuner_data.band = f->parm.band_high; |
| 583 | |
| 584 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 585 | "Setting tuner band to %d\n", f->tuner_data.band); |
| 586 | |
| 587 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 588 | "Setting tuner frequency to %d\n", (int) frequency); |
| 589 | |
| 590 | if ((f->type == TUNER_TYPE_FM1216ME) || (f->type == TUNER_TYPE_FI1236W)) { |
| 591 | f->tuner_data.aux = 0x20; |
| 592 | I2C_WriteRead(&(f->d), (I2CByte *) &(f->tuner_data), 5, NULL, 0); |
| 593 | I2C_WriteRead(&(f->d), NULL, 0, &data, 1); |
| 594 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Tuner status %x\n", data); |
| 595 | } |
| 596 | else |
| 597 | I2C_WriteRead(&(f->d), (I2CByte *) &(f->tuner_data), 4, NULL, 0); |
| 598 | } |
| 599 | |
| 600 | void |
| 601 | TUNER_set_frequency(FI1236Ptr f, CARD32 frequency) |
| 602 | { |
| 603 | if (frequency < f->parm.min_freq) |
| 604 | frequency = f->parm.min_freq; |
| 605 | if (frequency > f->parm.max_freq) |
| 606 | frequency = f->parm.max_freq; |
| 607 | |
| 608 | f->afc_delta = 0; |
| 609 | f->original_frequency = frequency; |
| 610 | |
| 611 | if (f->type == TUNER_TYPE_MT2032) |
| 612 | MT2032_tune(f, (1.0 * frequency) / 16.0, 0.0625); |
| 613 | else |
| 614 | FI1236_tune(f, frequency); |
| 615 | |
| 616 | if (!f->afc_timer_installed) { |
| 617 | f->afc_timer_installed = TRUE; |
| 618 | /* RegisterBlockAndWakeupHandlers(FI1236_BlockHandler, AFCWakeup, f); */ |
| 619 | TimerSet(NULL, 0, 300, AFC_TimerCallback, f); |
| 620 | } |
| 621 | |
| 622 | } |
| 623 | |
| 624 | int |
| 625 | FI1236_AFC(FI1236Ptr f) |
| 626 | { |
| 627 | #if 0 |
| 628 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 629 | "AFC: f=%p f->count=%d f->original_frequency=%d f->afc_delta=%d\n", |
| 630 | f, f->afc_count, f->original_frequency, f->afc_delta); |
| 631 | #endif |
| 632 | f->afc_count++; |
| 633 | if (f->type == TUNER_TYPE_MT2032) { |
| 634 | f->last_afc_hint = MT2032_get_afc_hint(f); |
| 635 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 636 | "AFC: afc_hint=%d\n", f->last_afc_hint); |
| 637 | if (f->last_afc_hint == TUNER_TUNED) |
| 638 | return 0; |
| 639 | if (f->afc_count > 3) |
| 640 | f->last_afc_hint = TUNER_OFF; |
| 641 | if (f->last_afc_hint == TUNER_OFF) |
| 642 | f->afc_delta = 0; |
| 643 | else |
| 644 | f->afc_delta += f->last_afc_hint; |
| 645 | |
| 646 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 647 | "AFC: Setting tuner frequency to %g\n", |
| 648 | (0.5 * (2 * f->original_frequency + f->afc_delta)) / 16.0); |
| 649 | MT2032_tune(f, |
| 650 | (1.0 * f->original_frequency + 0.5 * f->afc_delta) / 16.0, |
| 651 | 0.03125); |
| 652 | if (f->last_afc_hint == TUNER_OFF) |
| 653 | return 0; |
| 654 | return 1; /* call me again */ |
| 655 | } |
| 656 | else { |
| 657 | f->last_afc_hint = FI1236_get_afc_hint(f); |
| 658 | if (f->last_afc_hint == TUNER_TUNED) { |
| 659 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: TUNER_TUNNED\n"); |
| 660 | return 0; |
| 661 | } |
| 662 | if (f->afc_count > 3) |
| 663 | f->last_afc_hint = TUNER_OFF; |
| 664 | |
| 665 | if (f->last_afc_hint == TUNER_OFF) |
| 666 | f->afc_delta = 0; |
| 667 | else |
| 668 | f->afc_delta += f->last_afc_hint; |
| 669 | |
| 670 | xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, |
| 671 | "AFC: Setting tuner frequency to %g\n", |
| 672 | (0.5 * (2 * f->original_frequency + f->afc_delta)) / 16.0); |
| 673 | FI1236_tune(f, f->original_frequency + f->afc_delta); |
| 674 | if (f->last_afc_hint == TUNER_OFF) |
| 675 | return 0; |
| 676 | return 1; /* call me again */ |
| 677 | } |
| 678 | return 0; /* done */ |
| 679 | } |
| 680 | |
| 681 | void |
| 682 | fi1236_dump_status(FI1236Ptr f) |
| 683 | { |
| 684 | if (f->type == TUNER_TYPE_MT2032) |
| 685 | MT2032_dump_status(f); |
| 686 | } |