2 * descriptions + helper functions for simple dvb plls.
4 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <linux/module.h>
22 #include <linux/dvb/frontend.h>
23 #include <asm/types.h>
33 struct i2c_adapter *i2c;
35 /* the PLL descriptor */
36 struct dvb_pll_desc *pll_desc;
38 /* cached frequency/bandwidth */
43 #define DVB_PLL_MAX 64
45 static unsigned int dvb_pll_devcount;
48 module_param(debug, int, 0644);
49 MODULE_PARM_DESC(debug, "enable verbose debug messages");
51 static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
52 module_param_array(input, int, NULL, 0644);
53 MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)");
55 static unsigned int id[DVB_PLL_MAX] =
56 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
57 module_param_array(id, int, NULL, 0644);
58 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");
60 /* ----------------------------------------------------------- */
67 void (*set)(struct dvb_frontend *fe, u8 *buf,
68 const struct dvb_frontend_parameters *params);
80 /* ----------------------------------------------------------- */
84 static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
85 .name = "Thomson dtt7579",
89 .sleepdata = (u8[]){ 2, 0xb4, 0x03 },
92 { 443250000, 166667, 0xb4, 0x02 },
93 { 542000000, 166667, 0xb4, 0x08 },
94 { 771000000, 166667, 0xbc, 0x08 },
95 { 999999999, 166667, 0xf4, 0x08 },
100 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf,
101 const struct dvb_frontend_parameters *params)
103 if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
107 static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
108 .name = "Thomson dtt759x",
111 .set = thomson_dtt759x_bw,
113 .sleepdata = (u8[]){ 2, 0x84, 0x03 },
116 { 264000000, 166667, 0xb4, 0x02 },
117 { 470000000, 166667, 0xbc, 0x02 },
118 { 735000000, 166667, 0xbc, 0x08 },
119 { 835000000, 166667, 0xf4, 0x08 },
120 { 999999999, 166667, 0xfc, 0x08 },
124 static struct dvb_pll_desc dvb_pll_lg_z201 = {
129 .sleepdata = (u8[]){ 2, 0xbc, 0x03 },
132 { 157500000, 166667, 0xbc, 0x01 },
133 { 443250000, 166667, 0xbc, 0x02 },
134 { 542000000, 166667, 0xbc, 0x04 },
135 { 830000000, 166667, 0xf4, 0x04 },
136 { 999999999, 166667, 0xfc, 0x04 },
141 static struct dvb_pll_desc dvb_pll_unknown_1 = {
142 .name = "unknown 1", /* used by dntv live dvb-t */
148 { 150000000, 166667, 0xb4, 0x01 },
149 { 173000000, 166667, 0xbc, 0x01 },
150 { 250000000, 166667, 0xb4, 0x02 },
151 { 400000000, 166667, 0xbc, 0x02 },
152 { 420000000, 166667, 0xf4, 0x02 },
153 { 470000000, 166667, 0xfc, 0x02 },
154 { 600000000, 166667, 0xbc, 0x08 },
155 { 730000000, 166667, 0xf4, 0x08 },
156 { 999999999, 166667, 0xfc, 0x08 },
160 /* Infineon TUA6010XS
161 * used in Thomson Cable Tuner
163 static struct dvb_pll_desc dvb_pll_tua6010xs = {
164 .name = "Infineon TUA6010XS",
170 { 115750000, 62500, 0x8e, 0x03 },
171 { 403250000, 62500, 0x8e, 0x06 },
172 { 999999999, 62500, 0x8e, 0x85 },
176 /* Panasonic env57h1xd5 (some Philips PLL ?) */
177 static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
178 .name = "Panasonic ENV57H1XD5",
184 { 153000000, 166667, 0xc2, 0x41 },
185 { 470000000, 166667, 0xc2, 0x42 },
186 { 526000000, 166667, 0xc2, 0x84 },
187 { 999999999, 166667, 0xc2, 0xa4 },
191 /* Philips TDA6650/TDA6651
192 * used in Panasonic ENV77H11D5
194 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf,
195 const struct dvb_frontend_parameters *params)
197 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
201 static struct dvb_pll_desc dvb_pll_tda665x = {
202 .name = "Philips TDA6650/TDA6651",
207 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
210 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ },
211 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
212 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
213 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
214 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ },
215 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ },
216 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
217 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
218 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ },
219 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ },
220 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
221 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ },
226 * used in LG TDTP E102P
228 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf,
229 const struct dvb_frontend_parameters *params)
231 if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
235 static struct dvb_pll_desc dvb_pll_tua6034 = {
236 .name = "Infineon TUA6034",
243 { 174500000, 62500, 0xce, 0x01 },
244 { 230000000, 62500, 0xce, 0x02 },
245 { 999999999, 62500, 0xce, 0x04 },
251 * used in Nebula-Cards and USB boxes
253 static void tded4_bw(struct dvb_frontend *fe, u8 *buf,
254 const struct dvb_frontend_parameters *params)
256 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
260 static struct dvb_pll_desc dvb_pll_tded4 = {
261 .name = "ALPS TDED4",
268 { 153000000, 166667, 0x85, 0x01 },
269 { 470000000, 166667, 0x85, 0x02 },
270 { 823000000, 166667, 0x85, 0x08 },
271 { 999999999, 166667, 0x85, 0x88 },
276 * used in AverTVHD MCE A180
278 static struct dvb_pll_desc dvb_pll_tdhu2 = {
279 .name = "ALPS TDHU2",
285 { 162000000, 62500, 0x85, 0x01 },
286 { 426000000, 62500, 0x85, 0x02 },
287 { 782000000, 62500, 0x85, 0x08 },
288 { 999999999, 62500, 0x85, 0x88 },
293 /* Samsung TBMV30111IN / TBMV30712IN1
294 * used in Air2PC ATSC - 2nd generation (nxt2002)
296 static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
297 .name = "Samsung TBMV30111IN / TBMV30712IN1",
303 { 172000000, 166667, 0xb4, 0x01 },
304 { 214000000, 166667, 0xb4, 0x02 },
305 { 467000000, 166667, 0xbc, 0x02 },
306 { 721000000, 166667, 0xbc, 0x08 },
307 { 841000000, 166667, 0xf4, 0x08 },
308 { 999999999, 166667, 0xfc, 0x02 },
313 * Philips SD1878 Tuner.
315 static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
316 .name = "Philips SD1878",
319 .iffreq= 249, /* zero-IF, offset 249 is to round up */
322 { 1250000, 500, 0xc4, 0x00},
323 { 1550000, 500, 0xc4, 0x40},
324 { 2050000, 500, 0xc4, 0x80},
325 { 2150000, 500, 0xc4, 0xc0},
331 static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
332 const struct dvb_frontend_parameters *params)
334 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
338 static struct dvb_pll_desc dvb_pll_opera1 = {
339 .name = "Opera Tuner",
346 { 1064000, 500, 0xe5, 0xc6 },
347 { 1169000, 500, 0xe5, 0xe6 },
348 { 1299000, 500, 0xe5, 0x24 },
349 { 1444000, 500, 0xe5, 0x44 },
350 { 1606000, 500, 0xe5, 0x64 },
351 { 1777000, 500, 0xe5, 0x84 },
352 { 1941000, 500, 0xe5, 0xa4 },
353 { 2250000, 500, 0xe5, 0xc4 },
358 /* ----------------------------------------------------------- */
360 static struct dvb_pll_desc *pll_list[] = {
361 [DVB_PLL_UNDEFINED] = NULL,
362 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579,
363 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x,
364 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201,
365 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1,
366 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs,
367 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5,
368 [DVB_PLL_TUA6034] = &dvb_pll_tua6034,
369 [DVB_PLL_TDA665X] = &dvb_pll_tda665x,
370 [DVB_PLL_TDED4] = &dvb_pll_tded4,
371 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2,
372 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv,
373 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
374 [DVB_PLL_OPERA1] = &dvb_pll_opera1,
377 /* ----------------------------------------------------------- */
380 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
381 const struct dvb_frontend_parameters *params)
383 struct dvb_pll_priv *priv = fe->tuner_priv;
384 struct dvb_pll_desc *desc = priv->pll_desc;
388 if (params->frequency != 0 && (params->frequency < desc->min ||
389 params->frequency > desc->max))
392 for (i = 0; i < desc->count; i++) {
393 if (params->frequency > desc->entries[i].limit)
399 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
400 params->frequency, i, desc->count);
401 if (i == desc->count)
404 div = (params->frequency + desc->iffreq +
405 desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
408 buf[2] = desc->entries[i].config;
409 buf[3] = desc->entries[i].cb;
412 desc->set(fe, buf, params);
415 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
416 desc->name, div, buf[0], buf[1], buf[2], buf[3]);
418 // calculate the frequency we set it to
419 return (div * desc->entries[i].stepsize) - desc->iffreq;
422 static int dvb_pll_release(struct dvb_frontend *fe)
424 kfree(fe->tuner_priv);
425 fe->tuner_priv = NULL;
429 static int dvb_pll_sleep(struct dvb_frontend *fe)
431 struct dvb_pll_priv *priv = fe->tuner_priv;
433 if (priv->i2c == NULL)
436 if (priv->pll_desc->sleepdata) {
437 struct i2c_msg msg = { .flags = 0,
438 .addr = priv->pll_i2c_address,
439 .buf = priv->pll_desc->sleepdata + 1,
440 .len = priv->pll_desc->sleepdata[0] };
444 if (fe->ops.i2c_gate_ctrl)
445 fe->ops.i2c_gate_ctrl(fe, 1);
446 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
451 /* Shouldn't be called when initdata is NULL, maybe BUG()? */
455 static int dvb_pll_set_params(struct dvb_frontend *fe,
456 struct dvb_frontend_parameters *params)
458 struct dvb_pll_priv *priv = fe->tuner_priv;
461 { .addr = priv->pll_i2c_address, .flags = 0,
462 .buf = buf, .len = sizeof(buf) };
466 if (priv->i2c == NULL)
469 if ((result = dvb_pll_configure(fe, buf, params)) < 0)
474 if (fe->ops.i2c_gate_ctrl)
475 fe->ops.i2c_gate_ctrl(fe, 1);
476 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
480 priv->frequency = frequency;
481 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
486 static int dvb_pll_calc_regs(struct dvb_frontend *fe,
487 struct dvb_frontend_parameters *params,
488 u8 *buf, int buf_len)
490 struct dvb_pll_priv *priv = fe->tuner_priv;
497 if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)
502 buf[0] = priv->pll_i2c_address;
504 priv->frequency = frequency;
505 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
510 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
512 struct dvb_pll_priv *priv = fe->tuner_priv;
513 *frequency = priv->frequency;
517 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
519 struct dvb_pll_priv *priv = fe->tuner_priv;
520 *bandwidth = priv->bandwidth;
524 static int dvb_pll_init(struct dvb_frontend *fe)
526 struct dvb_pll_priv *priv = fe->tuner_priv;
528 if (priv->i2c == NULL)
531 if (priv->pll_desc->initdata) {
532 struct i2c_msg msg = { .flags = 0,
533 .addr = priv->pll_i2c_address,
534 .buf = priv->pll_desc->initdata + 1,
535 .len = priv->pll_desc->initdata[0] };
538 if (fe->ops.i2c_gate_ctrl)
539 fe->ops.i2c_gate_ctrl(fe, 1);
540 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
545 /* Shouldn't be called when initdata is NULL, maybe BUG()? */
549 static struct dvb_tuner_ops dvb_pll_tuner_ops = {
550 .release = dvb_pll_release,
551 .sleep = dvb_pll_sleep,
552 .init = dvb_pll_init,
553 .set_params = dvb_pll_set_params,
554 .calc_regs = dvb_pll_calc_regs,
555 .get_frequency = dvb_pll_get_frequency,
556 .get_bandwidth = dvb_pll_get_bandwidth,
559 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
560 struct i2c_adapter *i2c,
561 unsigned int pll_desc_id)
564 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
565 .buf = b1, .len = 1 };
566 struct dvb_pll_priv *priv = NULL;
568 struct dvb_pll_desc *desc;
570 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
571 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
572 pll_desc_id = id[dvb_pll_devcount];
574 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
576 desc = pll_list[pll_desc_id];
579 if (fe->ops.i2c_gate_ctrl)
580 fe->ops.i2c_gate_ctrl(fe, 1);
582 ret = i2c_transfer (i2c, &msg, 1);
585 if (fe->ops.i2c_gate_ctrl)
586 fe->ops.i2c_gate_ctrl(fe, 0);
589 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
593 priv->pll_i2c_address = pll_addr;
595 priv->pll_desc = desc;
596 priv->nr = dvb_pll_devcount++;
598 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
599 sizeof(struct dvb_tuner_ops));
601 strncpy(fe->ops.tuner_ops.info.name, desc->name,
602 sizeof(fe->ops.tuner_ops.info.name));
603 fe->ops.tuner_ops.info.frequency_min = desc->min;
604 fe->ops.tuner_ops.info.frequency_max = desc->max;
606 fe->ops.tuner_ops.init = NULL;
607 if (!desc->sleepdata)
608 fe->ops.tuner_ops.sleep = NULL;
610 fe->tuner_priv = priv;
612 if ((debug) || (id[priv->nr] == pll_desc_id)) {
613 printk("dvb-pll[%d]", priv->nr);
615 printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
616 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
617 id[priv->nr] == pll_desc_id ?
618 "insmod option" : "autodetected");
620 if ((debug) || (input[priv->nr] > 0)) {
621 printk("dvb-pll[%d]", priv->nr);
623 printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
624 printk(": tuner rf input will be ");
625 switch (input[priv->nr]) {
627 printk("autoselected\n");
630 printk("set to input %d (insmod option)\n",
637 EXPORT_SYMBOL(dvb_pll_attach);
639 MODULE_DESCRIPTION("dvb pll library");
640 MODULE_AUTHOR("Gerd Knorr");
641 MODULE_LICENSE("GPL");