2
* i2c tv tuner chip device driver
3
* controls all those simple 4-control-bytes style tuners.
5
* This "tuner-simple" module was split apart from the original "tuner" module.
7
#include <linux/delay.h>
9
#include <linux/videodev2.h>
10
#include <media/tuner.h>
11
#include <media/v4l2-common.h>
12
#include <media/tuner-types.h>
13
#include "tuner-i2c.h"
14
#include "tuner-simple.h"
17
module_param(debug, int, 0644);
18
MODULE_PARM_DESC(debug, "enable verbose debug messages");
20
#define TUNER_SIMPLE_MAX 64
21
static unsigned int simple_devcount;
24
module_param(offset, int, 0664);
25
MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
27
static unsigned int atv_input[TUNER_SIMPLE_MAX] = \
28
{ [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
29
static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \
30
{ [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
31
module_param_array(atv_input, int, NULL, 0644);
32
module_param_array(dtv_input, int, NULL, 0644);
33
MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect");
34
MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect");
36
/* ---------------------------------------------------------------------- */
38
/* tv standard selection for Temic 4046 FM5
39
this value takes the low bits of control byte 2
40
from datasheet Rev.01, Feb.00
42
picture IF 38.9 38.9 38.9 33.95 38.9
43
sound 1 33.4 32.9 32.4 40.45 32.4
45
NICAM 33.05 32.348 33.05 33.05
47
#define TEMIC_SET_PAL_I 0x05
48
#define TEMIC_SET_PAL_DK 0x09
49
#define TEMIC_SET_PAL_L 0x0a /* SECAM ? */
50
#define TEMIC_SET_PAL_L2 0x0b /* change IF ! */
51
#define TEMIC_SET_PAL_BG 0x0c
53
/* tv tuner system standard selection for Philips FQ1216ME
54
this value takes the low bits of control byte 2
55
from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
57
picture carrier 38.90 38.90 38.90 38.90 33.95
58
colour 34.47 34.47 34.47 34.47 38.38
59
sound 1 33.40 32.40 32.90 32.40 40.45
61
NICAM 33.05 33.05 32.35 33.05 39.80
63
#define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
64
#define PHILIPS_SET_PAL_BGDK 0x09
65
#define PHILIPS_SET_PAL_L2 0x0a
66
#define PHILIPS_SET_PAL_L 0x0b
68
/* system switching for Philips FI1216MF MK2
69
from datasheet "1996 Jul 09",
71
picture carrier 38.90 38.90 33.95
72
colour 34.47 34.37 38.38
73
sound 1 33.40 32.40 40.45
75
NICAM 33.05 33.05 39.80
77
#define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
78
#define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */
79
#define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */
83
#define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */
84
#define TUNER_RATIO_SELECT_50 0x00
85
#define TUNER_RATIO_SELECT_32 0x02
86
#define TUNER_RATIO_SELECT_166 0x04
87
#define TUNER_RATIO_SELECT_62 0x06
89
#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */
93
#define TUNER_POR 0x80
95
#define TUNER_MODE 0x38
96
#define TUNER_AFC 0x07
97
#define TUNER_SIGNAL 0x07
98
#define TUNER_STEREO 0x10
100
#define TUNER_PLL_LOCKED 0x40
101
#define TUNER_STEREO_MK3 0x04
103
static DEFINE_MUTEX(tuner_simple_list_mutex);
104
static LIST_HEAD(hybrid_tuner_instance_list);
106
struct tuner_simple_priv {
110
struct tuner_i2c_props i2c_props;
111
struct list_head hybrid_tuner_instance_list;
114
struct tunertype *tun;
120
/* ---------------------------------------------------------------------- */
122
static int tuner_read_status(struct dvb_frontend *fe)
124
struct tuner_simple_priv *priv = fe->tuner_priv;
127
if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
133
static inline int tuner_signal(const int status)
135
return (status & TUNER_SIGNAL) << 13;
138
static inline int tuner_stereo(const int type, const int status)
141
case TUNER_PHILIPS_FM1216ME_MK3:
142
case TUNER_PHILIPS_FM1236_MK3:
143
case TUNER_PHILIPS_FM1256_IH3:
144
case TUNER_LG_NTSC_TAPE:
145
case TUNER_TCL_MF02GIP_5N:
146
return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
147
case TUNER_PHILIPS_FM1216MK5:
148
return status | TUNER_STEREO;
150
return status & TUNER_STEREO;
154
static inline int tuner_islocked(const int status)
156
return (status & TUNER_FL);
159
static inline int tuner_afcstatus(const int status)
161
return (status & TUNER_AFC) - 2;
165
static int simple_get_status(struct dvb_frontend *fe, u32 *status)
167
struct tuner_simple_priv *priv = fe->tuner_priv;
170
if (priv->i2c_props.adap == NULL)
173
tuner_status = tuner_read_status(fe);
177
if (tuner_islocked(tuner_status))
178
*status = TUNER_STATUS_LOCKED;
179
if (tuner_stereo(priv->type, tuner_status))
180
*status |= TUNER_STATUS_STEREO;
182
tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
187
static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
189
struct tuner_simple_priv *priv = fe->tuner_priv;
192
if (priv->i2c_props.adap == NULL)
195
signal = tuner_signal(tuner_read_status(fe));
199
tuner_dbg("Signal strength: %d\n", signal);
204
/* ---------------------------------------------------------------------- */
206
static inline char *tuner_param_name(enum param_type type)
211
case TUNER_PARAM_TYPE_RADIO:
214
case TUNER_PARAM_TYPE_PAL:
217
case TUNER_PARAM_TYPE_SECAM:
220
case TUNER_PARAM_TYPE_NTSC:
223
case TUNER_PARAM_TYPE_DIGITAL:
233
static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
234
enum param_type desired_type)
236
struct tuner_simple_priv *priv = fe->tuner_priv;
237
struct tunertype *tun = priv->tun;
240
for (i = 0; i < tun->count; i++)
241
if (desired_type == tun->params[i].type)
244
/* use default tuner params if desired_type not available */
245
if (i == tun->count) {
246
tuner_dbg("desired params (%s) undefined for tuner %d\n",
247
tuner_param_name(desired_type), priv->type);
251
tuner_dbg("using tuner params #%d (%s)\n", i,
252
tuner_param_name(tun->params[i].type));
254
return &tun->params[i];
257
static int simple_config_lookup(struct dvb_frontend *fe,
258
struct tuner_params *t_params,
259
unsigned *frequency, u8 *config, u8 *cb)
261
struct tuner_simple_priv *priv = fe->tuner_priv;
264
for (i = 0; i < t_params->count; i++) {
265
if (*frequency > t_params->ranges[i].limit)
269
if (i == t_params->count) {
270
tuner_dbg("frequency out of range (%d > %d)\n",
271
*frequency, t_params->ranges[i - 1].limit);
272
*frequency = t_params->ranges[--i].limit;
274
*config = t_params->ranges[i].config;
275
*cb = t_params->ranges[i].cb;
277
tuner_dbg("freq = %d.%02d (%d), range = %d, "
278
"config = 0x%02x, cb = 0x%02x\n",
279
*frequency / 16, *frequency % 16 * 100 / 16, *frequency,
285
/* ---------------------------------------------------------------------- */
287
static void simple_set_rf_input(struct dvb_frontend *fe,
288
u8 *config, u8 *cb, unsigned int rf)
290
struct tuner_simple_priv *priv = fe->tuner_priv;
292
switch (priv->type) {
293
case TUNER_PHILIPS_TUV1236D:
303
case TUNER_PHILIPS_FCV1236D:
318
static int simple_std_setup(struct dvb_frontend *fe,
319
struct analog_parameters *params,
322
struct tuner_simple_priv *priv = fe->tuner_priv;
325
/* tv norm specific stuff for multi-norm tuners */
326
switch (priv->type) {
327
case TUNER_PHILIPS_SECAM: /* FI1216MF */
328
/* 0x01 -> ??? no change ??? */
329
/* 0x02 -> PAL BDGHI / SECAM L */
330
/* 0x04 -> ??? PAL others / SECAM others ??? */
332
if (params->std & V4L2_STD_SECAM_L)
333
/* also valid for V4L2_STD_SECAM */
334
*cb |= PHILIPS_MF_SET_STD_L;
335
else if (params->std & V4L2_STD_SECAM_LC)
336
*cb |= PHILIPS_MF_SET_STD_LC;
337
else /* V4L2_STD_B|V4L2_STD_GH */
338
*cb |= PHILIPS_MF_SET_STD_BG;
341
case TUNER_TEMIC_4046FM5:
344
if (params->std & V4L2_STD_PAL_BG) {
345
*cb |= TEMIC_SET_PAL_BG;
347
} else if (params->std & V4L2_STD_PAL_I) {
348
*cb |= TEMIC_SET_PAL_I;
350
} else if (params->std & V4L2_STD_PAL_DK) {
351
*cb |= TEMIC_SET_PAL_DK;
353
} else if (params->std & V4L2_STD_SECAM_L) {
354
*cb |= TEMIC_SET_PAL_L;
359
case TUNER_PHILIPS_FQ1216ME:
362
if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
363
*cb |= PHILIPS_SET_PAL_BGDK;
365
} else if (params->std & V4L2_STD_PAL_I) {
366
*cb |= PHILIPS_SET_PAL_I;
368
} else if (params->std & V4L2_STD_SECAM_L) {
369
*cb |= PHILIPS_SET_PAL_L;
374
case TUNER_PHILIPS_FCV1236D:
375
/* 0x00 -> ATSC antenna input 1 */
376
/* 0x01 -> ATSC antenna input 2 */
377
/* 0x02 -> NTSC antenna input 1 */
378
/* 0x03 -> NTSC antenna input 2 */
380
if (!(params->std & V4L2_STD_ATSC))
384
case TUNER_MICROTUNE_4042FI5:
385
/* Set the charge pump for fast tuning */
386
*config |= TUNER_CHARGE_PUMP;
389
case TUNER_PHILIPS_TUV1236D:
391
struct tuner_i2c_props i2c = priv->i2c_props;
392
/* 0x40 -> ATSC antenna input 1 */
393
/* 0x48 -> ATSC antenna input 2 */
394
/* 0x00 -> NTSC antenna input 1 */
395
/* 0x08 -> NTSC antenna input 2 */
396
u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00};
398
if (params->std & V4L2_STD_ATSC) {
402
/* set to the correct mode (analog or digital) */
404
rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2);
406
tuner_warn("i2c i/o error: rc == %d "
407
"(should be 2)\n", rc);
408
rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2);
410
tuner_warn("i2c i/o error: rc == %d "
411
"(should be 2)\n", rc);
415
if (atv_input[priv->nr])
416
simple_set_rf_input(fe, config, cb, atv_input[priv->nr]);
421
static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux)
423
struct tuner_simple_priv *priv = fe->tuner_priv;
427
buffer[0] = (config & ~0x38) | 0x18;
430
tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]);
432
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
434
tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc);
436
return rc == 2 ? 0 : rc;
439
static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
440
u16 div, u8 config, u8 cb)
442
struct tuner_simple_priv *priv = fe->tuner_priv;
445
switch (priv->type) {
446
case TUNER_LG_TDVS_H06XF:
447
simple_set_aux_byte(fe, config, 0x20);
449
case TUNER_PHILIPS_FQ1216LME_MK3:
450
simple_set_aux_byte(fe, config, 0x60); /* External AGC */
452
case TUNER_MICROTUNE_4042FI5:
454
/* FIXME - this may also work for other tuners */
455
unsigned long timeout = jiffies + msecs_to_jiffies(1);
458
/* Wait until the PLL locks */
460
if (time_after(jiffies, timeout))
462
rc = tuner_i2c_xfer_recv(&priv->i2c_props,
465
tuner_warn("i2c i/o read error: rc == %d "
466
"(should be 1)\n", rc);
469
if (status_byte & TUNER_PLL_LOCKED)
474
/* Set the charge pump for optimized phase noise figure */
475
config &= ~TUNER_CHARGE_PUMP;
476
buffer[0] = (div>>8) & 0x7f;
477
buffer[1] = div & 0xff;
480
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
481
buffer[0], buffer[1], buffer[2], buffer[3]);
483
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
485
tuner_warn("i2c i/o error: rc == %d "
486
"(should be 4)\n", rc);
494
static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
496
struct tuner_simple_priv *priv = fe->tuner_priv;
498
switch (priv->type) {
499
case TUNER_TENA_9533_DI:
500
case TUNER_YMEC_TVF_5533MF:
501
tuner_dbg("This tuner doesn't have FM. "
502
"Most cards have a TEA5767 for FM\n");
504
case TUNER_PHILIPS_FM1216ME_MK3:
505
case TUNER_PHILIPS_FM1236_MK3:
506
case TUNER_PHILIPS_FMD1216ME_MK3:
507
case TUNER_PHILIPS_FMD1216MEX_MK3:
508
case TUNER_LG_NTSC_TAPE:
509
case TUNER_PHILIPS_FM1256_IH3:
510
case TUNER_TCL_MF02GIP_5N:
513
case TUNER_PHILIPS_FM1216MK5:
517
case TUNER_TNF_5335MF:
520
case TUNER_LG_PAL_FM:
523
case TUNER_THOMSON_DTT761X:
526
case TUNER_PHILIPS_FQ1216LME_MK3:
527
case TUNER_PHILIPS_FQ1236_MK5:
528
tuner_err("This tuner doesn't have FM\n");
529
/* Set the low band for sanity, since it covers 88-108 MHz */
532
case TUNER_MICROTUNE_4049FM5:
541
/* ---------------------------------------------------------------------- */
543
static int simple_set_tv_freq(struct dvb_frontend *fe,
544
struct analog_parameters *params)
546
struct tuner_simple_priv *priv = fe->tuner_priv;
551
enum param_type desired_type;
552
struct tuner_params *t_params;
554
/* IFPCoff = Video Intermediate Frequency - Vif:
555
940 =16*58.75 NTSC/J (Japan)
556
732 =16*45.75 M/N STD
557
704 =16*44 ATSC (at DVB code)
559
622.4=16*38.90 B/G D/K I, L STD
560
592 =16*37.00 D China
561
590 =16.36.875 B Australia
562
543.2=16*33.95 L' STD
563
171.2=16*10.70 FM Radio (at set_radio_freq)
566
if (params->std == V4L2_STD_NTSC_M_JP) {
568
desired_type = TUNER_PARAM_TYPE_NTSC;
569
} else if ((params->std & V4L2_STD_MN) &&
570
!(params->std & ~V4L2_STD_MN)) {
572
desired_type = TUNER_PARAM_TYPE_NTSC;
573
} else if (params->std == V4L2_STD_SECAM_LC) {
575
desired_type = TUNER_PARAM_TYPE_SECAM;
578
desired_type = TUNER_PARAM_TYPE_PAL;
581
t_params = simple_tuner_params(fe, desired_type);
583
i = simple_config_lookup(fe, t_params, ¶ms->frequency,
586
div = params->frequency + IFPCoff + offset;
588
tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
589
"Offset=%d.%02d MHz, div=%0d\n",
590
params->frequency / 16, params->frequency % 16 * 100 / 16,
591
IFPCoff / 16, IFPCoff % 16 * 100 / 16,
592
offset / 16, offset % 16 * 100 / 16, div);
594
/* tv norm specific stuff for multi-norm tuners */
595
simple_std_setup(fe, params, &config, &cb);
597
if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
600
buffer[2] = (div>>8) & 0x7f;
601
buffer[3] = div & 0xff;
603
buffer[0] = (div>>8) & 0x7f;
604
buffer[1] = div & 0xff;
608
priv->last_div = div;
609
if (t_params->has_tda9887) {
610
struct v4l2_priv_tun_config tda9887_cfg;
612
int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
613
V4L2_STD_SECAM_LC)) &&
614
!(params->std & ~(V4L2_STD_SECAM_L |
617
tda9887_cfg.tuner = TUNER_TDA9887;
618
tda9887_cfg.priv = &tda_config;
620
if (params->std == V4L2_STD_SECAM_LC) {
621
if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
622
tda_config |= TDA9887_PORT1_ACTIVE;
623
if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
624
tda_config |= TDA9887_PORT2_ACTIVE;
626
if (t_params->port1_active)
627
tda_config |= TDA9887_PORT1_ACTIVE;
628
if (t_params->port2_active)
629
tda_config |= TDA9887_PORT2_ACTIVE;
631
if (t_params->intercarrier_mode)
632
tda_config |= TDA9887_INTERCARRIER;
634
if (i == 0 && t_params->default_top_secam_low)
635
tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
636
else if (i == 1 && t_params->default_top_secam_mid)
637
tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
638
else if (t_params->default_top_secam_high)
639
tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
641
if (i == 0 && t_params->default_top_low)
642
tda_config |= TDA9887_TOP(t_params->default_top_low);
643
else if (i == 1 && t_params->default_top_mid)
644
tda_config |= TDA9887_TOP(t_params->default_top_mid);
645
else if (t_params->default_top_high)
646
tda_config |= TDA9887_TOP(t_params->default_top_high);
648
if (t_params->default_pll_gating_18)
649
tda_config |= TDA9887_GATING_18;
650
i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
653
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
654
buffer[0], buffer[1], buffer[2], buffer[3]);
656
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
658
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
660
simple_post_tune(fe, &buffer[0], div, config, cb);
665
static int simple_set_radio_freq(struct dvb_frontend *fe,
666
struct analog_parameters *params)
668
struct tunertype *tun;
669
struct tuner_simple_priv *priv = fe->tuner_priv;
673
struct tuner_params *t_params;
674
unsigned int freq = params->frequency;
678
for (j = tun->count-1; j > 0; j--)
679
if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
681
/* default t_params (j=0) will be used if desired type wasn't found */
682
t_params = &tun->params[j];
684
/* Select Radio 1st IF used */
685
switch (t_params->radio_if) {
686
case 0: /* 10.7 MHz */
687
freq += (unsigned int)(10.7*16000);
689
case 1: /* 33.3 MHz */
690
freq += (unsigned int)(33.3*16000);
692
case 2: /* 41.3 MHz */
693
freq += (unsigned int)(41.3*16000);
696
tuner_warn("Unsupported radio_if value %d\n",
701
buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
702
TUNER_RATIO_SELECT_50; /* 50 kHz step */
704
/* Bandswitch byte */
705
simple_radio_bandswitch(fe, &buffer[0]);
707
/* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
708
freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
710
div = (freq + 400) / 800;
712
if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
713
buffer[0] = buffer[2];
714
buffer[1] = buffer[3];
715
buffer[2] = (div>>8) & 0x7f;
716
buffer[3] = div & 0xff;
718
buffer[0] = (div>>8) & 0x7f;
719
buffer[1] = div & 0xff;
722
tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
723
buffer[0], buffer[1], buffer[2], buffer[3]);
724
priv->last_div = div;
726
if (t_params->has_tda9887) {
728
struct v4l2_priv_tun_config tda9887_cfg;
730
tda9887_cfg.tuner = TUNER_TDA9887;
731
tda9887_cfg.priv = &config;
733
if (t_params->port1_active &&
734
!t_params->port1_fm_high_sensitivity)
735
config |= TDA9887_PORT1_ACTIVE;
736
if (t_params->port2_active &&
737
!t_params->port2_fm_high_sensitivity)
738
config |= TDA9887_PORT2_ACTIVE;
739
if (t_params->intercarrier_mode)
740
config |= TDA9887_INTERCARRIER;
741
/* if (t_params->port1_set_for_fm_mono)
742
config &= ~TDA9887_PORT1_ACTIVE;*/
743
if (t_params->fm_gain_normal)
744
config |= TDA9887_GAIN_NORMAL;
745
if (t_params->radio_if == 2)
746
config |= TDA9887_RIF_41_3;
747
i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
750
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
752
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
757
static int simple_set_params(struct dvb_frontend *fe,
758
struct analog_parameters *params)
760
struct tuner_simple_priv *priv = fe->tuner_priv;
763
if (priv->i2c_props.adap == NULL)
766
switch (params->mode) {
767
case V4L2_TUNER_RADIO:
768
ret = simple_set_radio_freq(fe, params);
769
priv->frequency = params->frequency * 125 / 2;
771
case V4L2_TUNER_ANALOG_TV:
772
case V4L2_TUNER_DIGITAL_TV:
773
ret = simple_set_tv_freq(fe, params);
774
priv->frequency = params->frequency * 62500;
782
static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
783
const struct dvb_frontend_parameters *params)
785
struct tuner_simple_priv *priv = fe->tuner_priv;
787
switch (priv->type) {
788
case TUNER_PHILIPS_FMD1216ME_MK3:
789
case TUNER_PHILIPS_FMD1216MEX_MK3:
790
if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
791
params->frequency >= 158870000)
794
case TUNER_PHILIPS_TD1316:
796
buf[3] |= (params->frequency < 161000000) ? 1 :
797
(params->frequency < 444000000) ? 2 : 4;
799
/* setup PLL filter */
800
if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
803
case TUNER_PHILIPS_TUV1236D:
804
case TUNER_PHILIPS_FCV1236D:
808
if (dtv_input[priv->nr])
809
new_rf = dtv_input[priv->nr];
811
switch (params->u.vsb.modulation) {
821
simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
829
static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
830
const struct dvb_frontend_parameters *params)
832
/* This function returns the tuned frequency on success, 0 on error */
833
struct tuner_simple_priv *priv = fe->tuner_priv;
834
struct tunertype *tun = priv->tun;
835
static struct tuner_params *t_params;
839
unsigned frequency = params->frequency / 62500;
841
if (!tun->stepsize) {
842
/* tuner-core was loaded before the digital tuner was
843
* configured and somehow picked the wrong tuner type */
844
tuner_err("attempt to treat tuner %d (%s) as digital tuner "
845
"without stepsize defined.\n",
846
priv->type, priv->tun->name);
847
return 0; /* failure */
850
t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
851
ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
853
return 0; /* failure */
855
div = ((frequency + t_params->iffreq) * 62500 + offset +
856
tun->stepsize/2) / tun->stepsize;
863
simple_set_dvb(fe, buf, params);
865
tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
866
tun->name, div, buf[0], buf[1], buf[2], buf[3]);
868
/* calculate the frequency we set it to */
869
return (div * tun->stepsize) - t_params->iffreq;
872
static int simple_dvb_calc_regs(struct dvb_frontend *fe,
873
struct dvb_frontend_parameters *params,
874
u8 *buf, int buf_len)
876
struct tuner_simple_priv *priv = fe->tuner_priv;
882
frequency = simple_dvb_configure(fe, buf+1, params);
886
buf[0] = priv->i2c_props.addr;
888
priv->frequency = frequency;
889
priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
890
params->u.ofdm.bandwidth : 0;
895
static int simple_dvb_set_params(struct dvb_frontend *fe,
896
struct dvb_frontend_parameters *params)
898
struct tuner_simple_priv *priv = fe->tuner_priv;
899
u32 prev_freq, prev_bw;
903
if (priv->i2c_props.adap == NULL)
906
prev_freq = priv->frequency;
907
prev_bw = priv->bandwidth;
909
ret = simple_dvb_calc_regs(fe, params, buf, 5);
913
/* put analog demod in standby when tuning digital */
914
if (fe->ops.analog_ops.standby)
915
fe->ops.analog_ops.standby(fe);
917
if (fe->ops.i2c_gate_ctrl)
918
fe->ops.i2c_gate_ctrl(fe, 1);
920
/* buf[0] contains the i2c address, but *
921
* we already have it in i2c_props.addr */
922
ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
928
/* calc_regs sets frequency and bandwidth. if we failed, unset them */
929
priv->frequency = prev_freq;
930
priv->bandwidth = prev_bw;
935
static int simple_init(struct dvb_frontend *fe)
937
struct tuner_simple_priv *priv = fe->tuner_priv;
939
if (priv->i2c_props.adap == NULL)
942
if (priv->tun->initdata) {
945
if (fe->ops.i2c_gate_ctrl)
946
fe->ops.i2c_gate_ctrl(fe, 1);
948
ret = tuner_i2c_xfer_send(&priv->i2c_props,
949
priv->tun->initdata + 1,
950
priv->tun->initdata[0]);
951
if (ret != priv->tun->initdata[0])
958
static int simple_sleep(struct dvb_frontend *fe)
960
struct tuner_simple_priv *priv = fe->tuner_priv;
962
if (priv->i2c_props.adap == NULL)
965
if (priv->tun->sleepdata) {
968
if (fe->ops.i2c_gate_ctrl)
969
fe->ops.i2c_gate_ctrl(fe, 1);
971
ret = tuner_i2c_xfer_send(&priv->i2c_props,
972
priv->tun->sleepdata + 1,
973
priv->tun->sleepdata[0]);
974
if (ret != priv->tun->sleepdata[0])
981
static int simple_release(struct dvb_frontend *fe)
983
struct tuner_simple_priv *priv = fe->tuner_priv;
985
mutex_lock(&tuner_simple_list_mutex);
988
hybrid_tuner_release_state(priv);
990
mutex_unlock(&tuner_simple_list_mutex);
992
fe->tuner_priv = NULL;
997
static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
999
struct tuner_simple_priv *priv = fe->tuner_priv;
1000
*frequency = priv->frequency;
1004
static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
1006
struct tuner_simple_priv *priv = fe->tuner_priv;
1007
*bandwidth = priv->bandwidth;
1011
static struct dvb_tuner_ops simple_tuner_ops = {
1012
.init = simple_init,
1013
.sleep = simple_sleep,
1014
.set_analog_params = simple_set_params,
1015
.set_params = simple_dvb_set_params,
1016
.calc_regs = simple_dvb_calc_regs,
1017
.release = simple_release,
1018
.get_frequency = simple_get_frequency,
1019
.get_bandwidth = simple_get_bandwidth,
1020
.get_status = simple_get_status,
1021
.get_rf_strength = simple_get_rf_strength,
1024
struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
1025
struct i2c_adapter *i2c_adap,
1029
struct tuner_simple_priv *priv = NULL;
1032
if (type >= tuner_count) {
1033
printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
1034
__func__, type, tuner_count-1);
1038
/* If i2c_adap is set, check that the tuner is at the correct address.
1039
* Otherwise, if i2c_adap is NULL, the tuner will be programmed directly
1040
* by the digital demod via calc_regs.
1042
if (i2c_adap != NULL) {
1044
struct i2c_msg msg = {
1045
.addr = i2c_addr, .flags = I2C_M_RD,
1049
if (fe->ops.i2c_gate_ctrl)
1050
fe->ops.i2c_gate_ctrl(fe, 1);
1052
if (1 != i2c_transfer(i2c_adap, &msg, 1))
1053
printk(KERN_WARNING "tuner-simple %d-%04x: "
1054
"unable to probe %s, proceeding anyway.",
1055
i2c_adapter_id(i2c_adap), i2c_addr,
1058
if (fe->ops.i2c_gate_ctrl)
1059
fe->ops.i2c_gate_ctrl(fe, 0);
1062
mutex_lock(&tuner_simple_list_mutex);
1064
instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
1065
hybrid_tuner_instance_list,
1070
mutex_unlock(&tuner_simple_list_mutex);
1073
fe->tuner_priv = priv;
1076
priv->tun = &tuners[type];
1077
priv->nr = simple_devcount++;
1080
fe->tuner_priv = priv;
1084
mutex_unlock(&tuner_simple_list_mutex);
1086
memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
1087
sizeof(struct dvb_tuner_ops));
1089
if (type != priv->type)
1090
tuner_warn("couldn't set type to %d. Using %d (%s) instead\n",
1091
type, priv->type, priv->tun->name);
1093
tuner_info("type set to %d (%s)\n",
1094
priv->type, priv->tun->name);
1096
if ((debug) || ((atv_input[priv->nr] > 0) ||
1097
(dtv_input[priv->nr] > 0))) {
1098
if (0 == atv_input[priv->nr])
1099
tuner_info("tuner %d atv rf input will be "
1100
"autoselected\n", priv->nr);
1102
tuner_info("tuner %d atv rf input will be "
1103
"set to input %d (insmod option)\n",
1104
priv->nr, atv_input[priv->nr]);
1105
if (0 == dtv_input[priv->nr])
1106
tuner_info("tuner %d dtv rf input will be "
1107
"autoselected\n", priv->nr);
1109
tuner_info("tuner %d dtv rf input will be "
1110
"set to input %d (insmod option)\n",
1111
priv->nr, dtv_input[priv->nr]);
1114
strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
1115
sizeof(fe->ops.tuner_ops.info.name));
1119
EXPORT_SYMBOL_GPL(simple_tuner_attach);
1121
MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
1122
MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
1123
MODULE_LICENSE("GPL");
1126
* Overrides for Emacs so that we follow Linus's tabbing style.
1127
* ---------------------------------------------------------------------------