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 id
[DVB_PLL_MAX
] =
52 { [ 0 ... (DVB_PLL_MAX
-1) ] = DVB_PLL_UNDEFINED
};
53 module_param_array(id
, int, NULL
, 0644);
54 MODULE_PARM_DESC(id
, "force pll id to use (DEBUG ONLY)");
56 /* ----------------------------------------------------------- */
63 void (*set
)(struct dvb_frontend
*fe
, u8
*buf
,
64 const struct dvb_frontend_parameters
*params
);
76 /* ----------------------------------------------------------- */
79 static struct dvb_pll_desc dvb_pll_thomson_dtt7579
= {
80 .name
= "Thomson dtt7579",
84 .sleepdata
= (u8
[]){ 2, 0xb4, 0x03 },
87 { 443250000, 166667, 0xb4, 0x02 },
88 { 542000000, 166667, 0xb4, 0x08 },
89 { 771000000, 166667, 0xbc, 0x08 },
90 { 999999999, 166667, 0xf4, 0x08 },
94 static void thomson_dtt759x_bw(struct dvb_frontend
*fe
, u8
*buf
,
95 const struct dvb_frontend_parameters
*params
)
97 if (BANDWIDTH_7_MHZ
== params
->u
.ofdm
.bandwidth
)
101 static struct dvb_pll_desc dvb_pll_thomson_dtt759x
= {
102 .name
= "Thomson dtt759x",
105 .set
= thomson_dtt759x_bw
,
107 .sleepdata
= (u8
[]){ 2, 0x84, 0x03 },
110 { 264000000, 166667, 0xb4, 0x02 },
111 { 470000000, 166667, 0xbc, 0x02 },
112 { 735000000, 166667, 0xbc, 0x08 },
113 { 835000000, 166667, 0xf4, 0x08 },
114 { 999999999, 166667, 0xfc, 0x08 },
118 static struct dvb_pll_desc dvb_pll_lg_z201
= {
123 .sleepdata
= (u8
[]){ 2, 0xbc, 0x03 },
126 { 157500000, 166667, 0xbc, 0x01 },
127 { 443250000, 166667, 0xbc, 0x02 },
128 { 542000000, 166667, 0xbc, 0x04 },
129 { 830000000, 166667, 0xf4, 0x04 },
130 { 999999999, 166667, 0xfc, 0x04 },
134 static struct dvb_pll_desc dvb_pll_unknown_1
= {
135 .name
= "unknown 1", /* used by dntv live dvb-t */
141 { 150000000, 166667, 0xb4, 0x01 },
142 { 173000000, 166667, 0xbc, 0x01 },
143 { 250000000, 166667, 0xb4, 0x02 },
144 { 400000000, 166667, 0xbc, 0x02 },
145 { 420000000, 166667, 0xf4, 0x02 },
146 { 470000000, 166667, 0xfc, 0x02 },
147 { 600000000, 166667, 0xbc, 0x08 },
148 { 730000000, 166667, 0xf4, 0x08 },
149 { 999999999, 166667, 0xfc, 0x08 },
153 /* Infineon TUA6010XS
154 * used in Thomson Cable Tuner
156 static struct dvb_pll_desc dvb_pll_tua6010xs
= {
157 .name
= "Infineon TUA6010XS",
163 { 115750000, 62500, 0x8e, 0x03 },
164 { 403250000, 62500, 0x8e, 0x06 },
165 { 999999999, 62500, 0x8e, 0x85 },
169 /* Panasonic env57h1xd5 (some Philips PLL ?) */
170 static struct dvb_pll_desc dvb_pll_env57h1xd5
= {
171 .name
= "Panasonic ENV57H1XD5",
177 { 153000000, 166667, 0xc2, 0x41 },
178 { 470000000, 166667, 0xc2, 0x42 },
179 { 526000000, 166667, 0xc2, 0x84 },
180 { 999999999, 166667, 0xc2, 0xa4 },
184 /* Philips TDA6650/TDA6651
185 * used in Panasonic ENV77H11D5
187 static void tda665x_bw(struct dvb_frontend
*fe
, u8
*buf
,
188 const struct dvb_frontend_parameters
*params
)
190 if (params
->u
.ofdm
.bandwidth
== BANDWIDTH_8_MHZ
)
194 static struct dvb_pll_desc dvb_pll_tda665x
= {
195 .name
= "Philips TDA6650/TDA6651",
200 .initdata
= (u8
[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
203 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ },
204 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
205 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
206 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
207 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ },
208 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ },
209 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
210 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
211 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ },
212 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ },
213 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
214 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ },
219 * used in LG TDTP E102P
221 static void tua6034_bw(struct dvb_frontend
*fe
, u8
*buf
,
222 const struct dvb_frontend_parameters
*params
)
224 if (BANDWIDTH_7_MHZ
!= params
->u
.ofdm
.bandwidth
)
228 static struct dvb_pll_desc dvb_pll_tua6034
= {
229 .name
= "Infineon TUA6034",
236 { 174500000, 62500, 0xce, 0x01 },
237 { 230000000, 62500, 0xce, 0x02 },
238 { 999999999, 62500, 0xce, 0x04 },
243 * used in Nebula-Cards and USB boxes
245 static void tded4_bw(struct dvb_frontend
*fe
, u8
*buf
,
246 const struct dvb_frontend_parameters
*params
)
248 if (params
->u
.ofdm
.bandwidth
== BANDWIDTH_8_MHZ
)
252 static struct dvb_pll_desc dvb_pll_tded4
= {
253 .name
= "ALPS TDED4",
260 { 153000000, 166667, 0x85, 0x01 },
261 { 470000000, 166667, 0x85, 0x02 },
262 { 823000000, 166667, 0x85, 0x08 },
263 { 999999999, 166667, 0x85, 0x88 },
268 * used in AverTVHD MCE A180
270 static struct dvb_pll_desc dvb_pll_tdhu2
= {
271 .name
= "ALPS TDHU2",
277 { 162000000, 62500, 0x85, 0x01 },
278 { 426000000, 62500, 0x85, 0x02 },
279 { 782000000, 62500, 0x85, 0x08 },
280 { 999999999, 62500, 0x85, 0x88 },
284 /* Samsung TBMV30111IN / TBMV30712IN1
285 * used in Air2PC ATSC - 2nd generation (nxt2002)
287 static struct dvb_pll_desc dvb_pll_samsung_tbmv
= {
288 .name
= "Samsung TBMV30111IN / TBMV30712IN1",
294 { 172000000, 166667, 0xb4, 0x01 },
295 { 214000000, 166667, 0xb4, 0x02 },
296 { 467000000, 166667, 0xbc, 0x02 },
297 { 721000000, 166667, 0xbc, 0x08 },
298 { 841000000, 166667, 0xf4, 0x08 },
299 { 999999999, 166667, 0xfc, 0x02 },
304 * Philips SD1878 Tuner.
306 static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261
= {
307 .name
= "Philips SD1878",
310 .iffreq
= 249, /* zero-IF, offset 249 is to round up */
313 { 1250000, 500, 0xc4, 0x00},
314 { 1550000, 500, 0xc4, 0x40},
315 { 2050000, 500, 0xc4, 0x80},
316 { 2150000, 500, 0xc4, 0xc0},
320 static void opera1_bw(struct dvb_frontend
*fe
, u8
*buf
,
321 const struct dvb_frontend_parameters
*params
)
323 if (params
->u
.ofdm
.bandwidth
== BANDWIDTH_8_MHZ
)
327 static struct dvb_pll_desc dvb_pll_opera1
= {
328 .name
= "Opera Tuner",
335 { 1064000, 500, 0xe5, 0xc6 },
336 { 1169000, 500, 0xe5, 0xe6 },
337 { 1299000, 500, 0xe5, 0x24 },
338 { 1444000, 500, 0xe5, 0x44 },
339 { 1606000, 500, 0xe5, 0x64 },
340 { 1777000, 500, 0xe5, 0x84 },
341 { 1941000, 500, 0xe5, 0xa4 },
342 { 2250000, 500, 0xe5, 0xc4 },
346 /* ----------------------------------------------------------- */
348 static struct dvb_pll_desc
*pll_list
[] = {
349 [DVB_PLL_UNDEFINED
] = NULL
,
350 [DVB_PLL_THOMSON_DTT7579
] = &dvb_pll_thomson_dtt7579
,
351 [DVB_PLL_THOMSON_DTT759X
] = &dvb_pll_thomson_dtt759x
,
352 [DVB_PLL_LG_Z201
] = &dvb_pll_lg_z201
,
353 [DVB_PLL_UNKNOWN_1
] = &dvb_pll_unknown_1
,
354 [DVB_PLL_TUA6010XS
] = &dvb_pll_tua6010xs
,
355 [DVB_PLL_ENV57H1XD5
] = &dvb_pll_env57h1xd5
,
356 [DVB_PLL_TUA6034
] = &dvb_pll_tua6034
,
357 [DVB_PLL_TDA665X
] = &dvb_pll_tda665x
,
358 [DVB_PLL_TDED4
] = &dvb_pll_tded4
,
359 [DVB_PLL_TDHU2
] = &dvb_pll_tdhu2
,
360 [DVB_PLL_SAMSUNG_TBMV
] = &dvb_pll_samsung_tbmv
,
361 [DVB_PLL_PHILIPS_SD1878_TDA8261
] = &dvb_pll_philips_sd1878_tda8261
,
362 [DVB_PLL_OPERA1
] = &dvb_pll_opera1
,
365 /* ----------------------------------------------------------- */
368 static int dvb_pll_configure(struct dvb_frontend
*fe
, u8
*buf
,
369 const struct dvb_frontend_parameters
*params
)
371 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
372 struct dvb_pll_desc
*desc
= priv
->pll_desc
;
376 if (params
->frequency
!= 0 && (params
->frequency
< desc
->min
||
377 params
->frequency
> desc
->max
))
380 for (i
= 0; i
< desc
->count
; i
++) {
381 if (params
->frequency
> desc
->entries
[i
].limit
)
387 printk("pll: %s: freq=%d | i=%d/%d\n", desc
->name
,
388 params
->frequency
, i
, desc
->count
);
389 if (i
== desc
->count
)
392 div
= (params
->frequency
+ desc
->iffreq
+
393 desc
->entries
[i
].stepsize
/2) / desc
->entries
[i
].stepsize
;
396 buf
[2] = desc
->entries
[i
].config
;
397 buf
[3] = desc
->entries
[i
].cb
;
400 desc
->set(fe
, buf
, params
);
403 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
404 desc
->name
, div
, buf
[0], buf
[1], buf
[2], buf
[3]);
406 // calculate the frequency we set it to
407 return (div
* desc
->entries
[i
].stepsize
) - desc
->iffreq
;
410 static int dvb_pll_release(struct dvb_frontend
*fe
)
412 kfree(fe
->tuner_priv
);
413 fe
->tuner_priv
= NULL
;
417 static int dvb_pll_sleep(struct dvb_frontend
*fe
)
419 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
421 if (priv
->i2c
== NULL
)
424 if (priv
->pll_desc
->sleepdata
) {
425 struct i2c_msg msg
= { .flags
= 0,
426 .addr
= priv
->pll_i2c_address
,
427 .buf
= priv
->pll_desc
->sleepdata
+ 1,
428 .len
= priv
->pll_desc
->sleepdata
[0] };
432 if (fe
->ops
.i2c_gate_ctrl
)
433 fe
->ops
.i2c_gate_ctrl(fe
, 1);
434 if ((result
= i2c_transfer(priv
->i2c
, &msg
, 1)) != 1) {
439 /* Shouldn't be called when initdata is NULL, maybe BUG()? */
443 static int dvb_pll_set_params(struct dvb_frontend
*fe
,
444 struct dvb_frontend_parameters
*params
)
446 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
449 { .addr
= priv
->pll_i2c_address
, .flags
= 0,
450 .buf
= buf
, .len
= sizeof(buf
) };
454 if (priv
->i2c
== NULL
)
457 if ((result
= dvb_pll_configure(fe
, buf
, params
)) < 0)
462 if (fe
->ops
.i2c_gate_ctrl
)
463 fe
->ops
.i2c_gate_ctrl(fe
, 1);
464 if ((result
= i2c_transfer(priv
->i2c
, &msg
, 1)) != 1) {
468 priv
->frequency
= frequency
;
469 priv
->bandwidth
= (fe
->ops
.info
.type
== FE_OFDM
) ? params
->u
.ofdm
.bandwidth
: 0;
474 static int dvb_pll_calc_regs(struct dvb_frontend
*fe
,
475 struct dvb_frontend_parameters
*params
,
476 u8
*buf
, int buf_len
)
478 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
485 if ((result
= dvb_pll_configure(fe
, buf
+1, params
)) < 0)
490 buf
[0] = priv
->pll_i2c_address
;
492 priv
->frequency
= frequency
;
493 priv
->bandwidth
= (fe
->ops
.info
.type
== FE_OFDM
) ? params
->u
.ofdm
.bandwidth
: 0;
498 static int dvb_pll_get_frequency(struct dvb_frontend
*fe
, u32
*frequency
)
500 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
501 *frequency
= priv
->frequency
;
505 static int dvb_pll_get_bandwidth(struct dvb_frontend
*fe
, u32
*bandwidth
)
507 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
508 *bandwidth
= priv
->bandwidth
;
512 static int dvb_pll_init(struct dvb_frontend
*fe
)
514 struct dvb_pll_priv
*priv
= fe
->tuner_priv
;
516 if (priv
->i2c
== NULL
)
519 if (priv
->pll_desc
->initdata
) {
520 struct i2c_msg msg
= { .flags
= 0,
521 .addr
= priv
->pll_i2c_address
,
522 .buf
= priv
->pll_desc
->initdata
+ 1,
523 .len
= priv
->pll_desc
->initdata
[0] };
526 if (fe
->ops
.i2c_gate_ctrl
)
527 fe
->ops
.i2c_gate_ctrl(fe
, 1);
528 if ((result
= i2c_transfer(priv
->i2c
, &msg
, 1)) != 1) {
533 /* Shouldn't be called when initdata is NULL, maybe BUG()? */
537 static struct dvb_tuner_ops dvb_pll_tuner_ops
= {
538 .release
= dvb_pll_release
,
539 .sleep
= dvb_pll_sleep
,
540 .init
= dvb_pll_init
,
541 .set_params
= dvb_pll_set_params
,
542 .calc_regs
= dvb_pll_calc_regs
,
543 .get_frequency
= dvb_pll_get_frequency
,
544 .get_bandwidth
= dvb_pll_get_bandwidth
,
547 struct dvb_frontend
*dvb_pll_attach(struct dvb_frontend
*fe
, int pll_addr
,
548 struct i2c_adapter
*i2c
,
549 unsigned int pll_desc_id
)
552 struct i2c_msg msg
= { .addr
= pll_addr
, .flags
= I2C_M_RD
,
553 .buf
= b1
, .len
= 1 };
554 struct dvb_pll_priv
*priv
= NULL
;
556 struct dvb_pll_desc
*desc
;
558 if ((id
[dvb_pll_devcount
] > DVB_PLL_UNDEFINED
) &&
559 (id
[dvb_pll_devcount
] < ARRAY_SIZE(pll_list
)))
560 pll_desc_id
= id
[dvb_pll_devcount
];
562 BUG_ON(pll_desc_id
< 1 || pll_desc_id
>= ARRAY_SIZE(pll_list
));
564 desc
= pll_list
[pll_desc_id
];
567 if (fe
->ops
.i2c_gate_ctrl
)
568 fe
->ops
.i2c_gate_ctrl(fe
, 1);
570 ret
= i2c_transfer (i2c
, &msg
, 1);
573 if (fe
->ops
.i2c_gate_ctrl
)
574 fe
->ops
.i2c_gate_ctrl(fe
, 0);
577 priv
= kzalloc(sizeof(struct dvb_pll_priv
), GFP_KERNEL
);
581 priv
->pll_i2c_address
= pll_addr
;
583 priv
->pll_desc
= desc
;
584 priv
->nr
= dvb_pll_devcount
++;
586 memcpy(&fe
->ops
.tuner_ops
, &dvb_pll_tuner_ops
,
587 sizeof(struct dvb_tuner_ops
));
589 strncpy(fe
->ops
.tuner_ops
.info
.name
, desc
->name
,
590 sizeof(fe
->ops
.tuner_ops
.info
.name
));
591 fe
->ops
.tuner_ops
.info
.frequency_min
= desc
->min
;
592 fe
->ops
.tuner_ops
.info
.frequency_max
= desc
->max
;
594 fe
->ops
.tuner_ops
.init
= NULL
;
595 if (!desc
->sleepdata
)
596 fe
->ops
.tuner_ops
.sleep
= NULL
;
598 fe
->tuner_priv
= priv
;
600 if ((debug
) || (id
[priv
->nr
] == pll_desc_id
)) {
601 printk("dvb-pll[%d]", priv
->nr
);
603 printk(" %d-%04x", i2c_adapter_id(i2c
), pll_addr
);
604 printk(": id# %d (%s) attached, %s\n", pll_desc_id
, desc
->name
,
605 id
[priv
->nr
] == pll_desc_id
?
606 "insmod option" : "autodetected");
611 EXPORT_SYMBOL(dvb_pll_attach
);
613 MODULE_DESCRIPTION("dvb pll library");
614 MODULE_AUTHOR("Gerd Knorr");
615 MODULE_LICENSE("GPL");