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path: root/drivers/media/dvb/frontends/af9013.c
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Diffstat (limited to 'drivers/media/dvb/frontends/af9013.c')
-rw-r--r--drivers/media/dvb/frontends/af9013.c251
1 files changed, 64 insertions, 187 deletions
diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c
index dac917f7bb7f..e2a95c07bab4 100644
--- a/drivers/media/dvb/frontends/af9013.c
+++ b/drivers/media/dvb/frontends/af9013.c
@@ -42,6 +42,8 @@ struct af9013_state {
42 42
43 struct af9013_config config; 43 struct af9013_config config;
44 44
45 /* tuner/demod RF and IF AGC limits used for signal strength calc */
46 u8 signal_strength_en, rf_50, rf_80, if_50, if_80;
45 u16 signal_strength; 47 u16 signal_strength;
46 u32 ber; 48 u32 ber;
47 u32 ucblocks; 49 u32 ucblocks;
@@ -220,184 +222,37 @@ static u32 af913_div(u32 a, u32 b, u32 x)
220 222
221static int af9013_set_coeff(struct af9013_state *state, fe_bandwidth_t bw) 223static int af9013_set_coeff(struct af9013_state *state, fe_bandwidth_t bw)
222{ 224{
223 int ret = 0; 225 int ret, i, j, found;
224 u8 i = 0;
225 u8 buf[24];
226 u32 uninitialized_var(ns_coeff1_2048nu);
227 u32 uninitialized_var(ns_coeff1_8191nu);
228 u32 uninitialized_var(ns_coeff1_8192nu);
229 u32 uninitialized_var(ns_coeff1_8193nu);
230 u32 uninitialized_var(ns_coeff2_2k);
231 u32 uninitialized_var(ns_coeff2_8k);
232
233 deb_info("%s: adc_clock:%d bw:%d\n", __func__, 226 deb_info("%s: adc_clock:%d bw:%d\n", __func__,
234 state->config.adc_clock, bw); 227 state->config.adc_clock, bw);
235 228
236 switch (state->config.adc_clock) { 229 /* lookup coeff from table */
237 case 28800: /* 28.800 MHz */ 230 for (i = 0, found = 0; i < ARRAY_SIZE(coeff_table); i++) {
238 switch (bw) { 231 if (coeff_table[i].adc_clock == state->config.adc_clock &&
239 case BANDWIDTH_6_MHZ: 232 coeff_table[i].bw == bw) {
240 ns_coeff1_2048nu = 0x01e79e7a; 233 found = 1;
241 ns_coeff1_8191nu = 0x0079eb6e;
242 ns_coeff1_8192nu = 0x0079e79e;
243 ns_coeff1_8193nu = 0x0079e3cf;
244 ns_coeff2_2k = 0x00f3cf3d;
245 ns_coeff2_8k = 0x003cf3cf;
246 break;
247 case BANDWIDTH_7_MHZ:
248 ns_coeff1_2048nu = 0x0238e38e;
249 ns_coeff1_8191nu = 0x008e3d55;
250 ns_coeff1_8192nu = 0x008e38e4;
251 ns_coeff1_8193nu = 0x008e3472;
252 ns_coeff2_2k = 0x011c71c7;
253 ns_coeff2_8k = 0x00471c72;
254 break; 234 break;
255 case BANDWIDTH_8_MHZ:
256 ns_coeff1_2048nu = 0x028a28a3;
257 ns_coeff1_8191nu = 0x00a28f3d;
258 ns_coeff1_8192nu = 0x00a28a29;
259 ns_coeff1_8193nu = 0x00a28514;
260 ns_coeff2_2k = 0x01451451;
261 ns_coeff2_8k = 0x00514514;
262 break;
263 default:
264 ret = -EINVAL;
265 } 235 }
266 break;
267 case 20480: /* 20.480 MHz */
268 switch (bw) {
269 case BANDWIDTH_6_MHZ:
270 ns_coeff1_2048nu = 0x02adb6dc;
271 ns_coeff1_8191nu = 0x00ab7313;
272 ns_coeff1_8192nu = 0x00ab6db7;
273 ns_coeff1_8193nu = 0x00ab685c;
274 ns_coeff2_2k = 0x0156db6e;
275 ns_coeff2_8k = 0x0055b6dc;
276 break;
277 case BANDWIDTH_7_MHZ:
278 ns_coeff1_2048nu = 0x03200001;
279 ns_coeff1_8191nu = 0x00c80640;
280 ns_coeff1_8192nu = 0x00c80000;
281 ns_coeff1_8193nu = 0x00c7f9c0;
282 ns_coeff2_2k = 0x01900000;
283 ns_coeff2_8k = 0x00640000;
284 break;
285 case BANDWIDTH_8_MHZ:
286 ns_coeff1_2048nu = 0x03924926;
287 ns_coeff1_8191nu = 0x00e4996e;
288 ns_coeff1_8192nu = 0x00e49249;
289 ns_coeff1_8193nu = 0x00e48b25;
290 ns_coeff2_2k = 0x01c92493;
291 ns_coeff2_8k = 0x00724925;
292 break;
293 default:
294 ret = -EINVAL;
295 }
296 break;
297 case 28000: /* 28.000 MHz */
298 switch (bw) {
299 case BANDWIDTH_6_MHZ:
300 ns_coeff1_2048nu = 0x01f58d10;
301 ns_coeff1_8191nu = 0x007d672f;
302 ns_coeff1_8192nu = 0x007d6344;
303 ns_coeff1_8193nu = 0x007d5f59;
304 ns_coeff2_2k = 0x00fac688;
305 ns_coeff2_8k = 0x003eb1a2;
306 break;
307 case BANDWIDTH_7_MHZ:
308 ns_coeff1_2048nu = 0x02492492;
309 ns_coeff1_8191nu = 0x00924db7;
310 ns_coeff1_8192nu = 0x00924925;
311 ns_coeff1_8193nu = 0x00924492;
312 ns_coeff2_2k = 0x01249249;
313 ns_coeff2_8k = 0x00492492;
314 break;
315 case BANDWIDTH_8_MHZ:
316 ns_coeff1_2048nu = 0x029cbc15;
317 ns_coeff1_8191nu = 0x00a7343f;
318 ns_coeff1_8192nu = 0x00a72f05;
319 ns_coeff1_8193nu = 0x00a729cc;
320 ns_coeff2_2k = 0x014e5e0a;
321 ns_coeff2_8k = 0x00539783;
322 break;
323 default:
324 ret = -EINVAL;
325 }
326 break;
327 case 25000: /* 25.000 MHz */
328 switch (bw) {
329 case BANDWIDTH_6_MHZ:
330 ns_coeff1_2048nu = 0x0231bcb5;
331 ns_coeff1_8191nu = 0x008c7391;
332 ns_coeff1_8192nu = 0x008c6f2d;
333 ns_coeff1_8193nu = 0x008c6aca;
334 ns_coeff2_2k = 0x0118de5b;
335 ns_coeff2_8k = 0x00463797;
336 break;
337 case BANDWIDTH_7_MHZ:
338 ns_coeff1_2048nu = 0x028f5c29;
339 ns_coeff1_8191nu = 0x00a3dc29;
340 ns_coeff1_8192nu = 0x00a3d70a;
341 ns_coeff1_8193nu = 0x00a3d1ec;
342 ns_coeff2_2k = 0x0147ae14;
343 ns_coeff2_8k = 0x0051eb85;
344 break;
345 case BANDWIDTH_8_MHZ:
346 ns_coeff1_2048nu = 0x02ecfb9d;
347 ns_coeff1_8191nu = 0x00bb44c1;
348 ns_coeff1_8192nu = 0x00bb3ee7;
349 ns_coeff1_8193nu = 0x00bb390d;
350 ns_coeff2_2k = 0x01767dce;
351 ns_coeff2_8k = 0x005d9f74;
352 break;
353 default:
354 ret = -EINVAL;
355 }
356 break;
357 default:
358 err("invalid xtal");
359 return -EINVAL;
360 } 236 }
361 if (ret) { 237
362 err("invalid bandwidth"); 238 if (!found) {
363 return ret; 239 err("invalid bw or clock");
240 ret = -EINVAL;
241 goto error;
364 } 242 }
365 243
366 buf[i++] = (u8) ((ns_coeff1_2048nu & 0x03000000) >> 24); 244 deb_info("%s: coeff: ", __func__);
367 buf[i++] = (u8) ((ns_coeff1_2048nu & 0x00ff0000) >> 16); 245 debug_dump(coeff_table[i].val, sizeof(coeff_table[i].val), deb_info);
368 buf[i++] = (u8) ((ns_coeff1_2048nu & 0x0000ff00) >> 8);
369 buf[i++] = (u8) ((ns_coeff1_2048nu & 0x000000ff));
370 buf[i++] = (u8) ((ns_coeff2_2k & 0x01c00000) >> 22);
371 buf[i++] = (u8) ((ns_coeff2_2k & 0x003fc000) >> 14);
372 buf[i++] = (u8) ((ns_coeff2_2k & 0x00003fc0) >> 6);
373 buf[i++] = (u8) ((ns_coeff2_2k & 0x0000003f));
374 buf[i++] = (u8) ((ns_coeff1_8191nu & 0x03000000) >> 24);
375 buf[i++] = (u8) ((ns_coeff1_8191nu & 0x00ffc000) >> 16);
376 buf[i++] = (u8) ((ns_coeff1_8191nu & 0x0000ff00) >> 8);
377 buf[i++] = (u8) ((ns_coeff1_8191nu & 0x000000ff));
378 buf[i++] = (u8) ((ns_coeff1_8192nu & 0x03000000) >> 24);
379 buf[i++] = (u8) ((ns_coeff1_8192nu & 0x00ffc000) >> 16);
380 buf[i++] = (u8) ((ns_coeff1_8192nu & 0x0000ff00) >> 8);
381 buf[i++] = (u8) ((ns_coeff1_8192nu & 0x000000ff));
382 buf[i++] = (u8) ((ns_coeff1_8193nu & 0x03000000) >> 24);
383 buf[i++] = (u8) ((ns_coeff1_8193nu & 0x00ffc000) >> 16);
384 buf[i++] = (u8) ((ns_coeff1_8193nu & 0x0000ff00) >> 8);
385 buf[i++] = (u8) ((ns_coeff1_8193nu & 0x000000ff));
386 buf[i++] = (u8) ((ns_coeff2_8k & 0x01c00000) >> 22);
387 buf[i++] = (u8) ((ns_coeff2_8k & 0x003fc000) >> 14);
388 buf[i++] = (u8) ((ns_coeff2_8k & 0x00003fc0) >> 6);
389 buf[i++] = (u8) ((ns_coeff2_8k & 0x0000003f));
390
391 deb_info("%s: coeff:", __func__);
392 debug_dump(buf, sizeof(buf), deb_info);
393 246
394 /* program */ 247 /* program */
395 for (i = 0; i < sizeof(buf); i++) { 248 for (j = 0; j < sizeof(coeff_table[i].val); j++) {
396 ret = af9013_write_reg(state, 0xae00 + i, buf[i]); 249 ret = af9013_write_reg(state, 0xae00 + j,
250 coeff_table[i].val[j]);
397 if (ret) 251 if (ret)
398 break; 252 break;
399 } 253 }
400 254
255error:
401 return ret; 256 return ret;
402} 257}
403 258
@@ -486,6 +341,19 @@ static int af9013_set_freq_ctrl(struct af9013_state *state, fe_bandwidth_t bw)
486 if_sample_freq = 4300000; /* 4.3 MHz */ 341 if_sample_freq = 4300000; /* 4.3 MHz */
487 break; 342 break;
488 } 343 }
344 } else if (state->config.tuner == AF9013_TUNER_TDA18218) {
345 switch (bw) {
346 case BANDWIDTH_6_MHZ:
347 if_sample_freq = 3000000; /* 3 MHz */
348 break;
349 case BANDWIDTH_7_MHZ:
350 if_sample_freq = 3500000; /* 3.5 MHz */
351 break;
352 case BANDWIDTH_8_MHZ:
353 default:
354 if_sample_freq = 4000000; /* 4 MHz */
355 break;
356 }
489 } 357 }
490 358
491 while (if_sample_freq > (adc_freq / 2)) 359 while (if_sample_freq > (adc_freq / 2))
@@ -1097,45 +965,31 @@ static int af9013_update_signal_strength(struct dvb_frontend *fe)
1097{ 965{
1098 struct af9013_state *state = fe->demodulator_priv; 966 struct af9013_state *state = fe->demodulator_priv;
1099 int ret; 967 int ret;
1100 u8 tmp0; 968 u8 rf_gain, if_gain;
1101 u8 rf_gain, rf_50, rf_80, if_gain, if_50, if_80;
1102 int signal_strength; 969 int signal_strength;
1103 970
1104 deb_info("%s\n", __func__); 971 deb_info("%s\n", __func__);
1105 972
1106 state->signal_strength = 0; 973 if (state->signal_strength_en) {
1107
1108 ret = af9013_read_reg_bits(state, 0x9bee, 0, 1, &tmp0);
1109 if (ret)
1110 goto error;
1111 if (tmp0) {
1112 ret = af9013_read_reg(state, 0x9bbd, &rf_50);
1113 if (ret)
1114 goto error;
1115 ret = af9013_read_reg(state, 0x9bd0, &rf_80);
1116 if (ret)
1117 goto error;
1118 ret = af9013_read_reg(state, 0x9be2, &if_50);
1119 if (ret)
1120 goto error;
1121 ret = af9013_read_reg(state, 0x9be4, &if_80);
1122 if (ret)
1123 goto error;
1124 ret = af9013_read_reg(state, 0xd07c, &rf_gain); 974 ret = af9013_read_reg(state, 0xd07c, &rf_gain);
1125 if (ret) 975 if (ret)
1126 goto error; 976 goto error;
1127 ret = af9013_read_reg(state, 0xd07d, &if_gain); 977 ret = af9013_read_reg(state, 0xd07d, &if_gain);
1128 if (ret) 978 if (ret)
1129 goto error; 979 goto error;
1130 signal_strength = (0xffff / (9 * (rf_50 + if_50) - \ 980 signal_strength = (0xffff / \
1131 11 * (rf_80 + if_80))) * (10 * (rf_gain + if_gain) - \ 981 (9 * (state->rf_50 + state->if_50) - \
1132 11 * (rf_80 + if_80)); 982 11 * (state->rf_80 + state->if_80))) * \
983 (10 * (rf_gain + if_gain) - \
984 11 * (state->rf_80 + state->if_80));
1133 if (signal_strength < 0) 985 if (signal_strength < 0)
1134 signal_strength = 0; 986 signal_strength = 0;
1135 else if (signal_strength > 0xffff) 987 else if (signal_strength > 0xffff)
1136 signal_strength = 0xffff; 988 signal_strength = 0xffff;
1137 989
1138 state->signal_strength = signal_strength; 990 state->signal_strength = signal_strength;
991 } else {
992 state->signal_strength = 0;
1139 } 993 }
1140 994
1141error: 995error:
@@ -1368,6 +1222,7 @@ static int af9013_init(struct dvb_frontend *fe)
1368 break; 1222 break;
1369 case AF9013_TUNER_MXL5005D: 1223 case AF9013_TUNER_MXL5005D:
1370 case AF9013_TUNER_MXL5005R: 1224 case AF9013_TUNER_MXL5005R:
1225 case AF9013_TUNER_MXL5007T:
1371 len = ARRAY_SIZE(tuner_init_mxl5005); 1226 len = ARRAY_SIZE(tuner_init_mxl5005);
1372 init = tuner_init_mxl5005; 1227 init = tuner_init_mxl5005;
1373 break; 1228 break;
@@ -1393,6 +1248,7 @@ static int af9013_init(struct dvb_frontend *fe)
1393 init = tuner_init_mt2060_2; 1248 init = tuner_init_mt2060_2;
1394 break; 1249 break;
1395 case AF9013_TUNER_TDA18271: 1250 case AF9013_TUNER_TDA18271:
1251 case AF9013_TUNER_TDA18218:
1396 len = ARRAY_SIZE(tuner_init_tda18271); 1252 len = ARRAY_SIZE(tuner_init_tda18271);
1397 init = tuner_init_tda18271; 1253 init = tuner_init_tda18271;
1398 break; 1254 break;
@@ -1438,6 +1294,27 @@ static int af9013_init(struct dvb_frontend *fe)
1438 if (ret) 1294 if (ret)
1439 goto error; 1295 goto error;
1440 1296
1297 /* read values needed for signal strength calculation */
1298 ret = af9013_read_reg_bits(state, 0x9bee, 0, 1,
1299 &state->signal_strength_en);
1300 if (ret)
1301 goto error;
1302
1303 if (state->signal_strength_en) {
1304 ret = af9013_read_reg(state, 0x9bbd, &state->rf_50);
1305 if (ret)
1306 goto error;
1307 ret = af9013_read_reg(state, 0x9bd0, &state->rf_80);
1308 if (ret)
1309 goto error;
1310 ret = af9013_read_reg(state, 0x9be2, &state->if_50);
1311 if (ret)
1312 goto error;
1313 ret = af9013_read_reg(state, 0x9be4, &state->if_80);
1314 if (ret)
1315 goto error;
1316 }
1317
1441error: 1318error:
1442 return ret; 1319 return ret;
1443} 1320}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-31 00:44:45 -0500