3 * i2c tv tuner chip device driver
4 * controls all those simple 4-control-bytes style tuners.
6 #include <linux/delay.h>
8 #include <linux/videodev.h>
9 #include <media/tuner.h>
10 #include <media/v4l2-common.h>
12 static int offset
= 0;
13 module_param(offset
, int, 0664);
14 MODULE_PARM_DESC(offset
,"Allows to specify an offset for tuner");
16 /* ---------------------------------------------------------------------- */
18 /* tv standard selection for Temic 4046 FM5
19 this value takes the low bits of control byte 2
20 from datasheet Rev.01, Feb.00
22 picture IF 38.9 38.9 38.9 33.95 38.9
23 sound 1 33.4 32.9 32.4 40.45 32.4
25 NICAM 33.05 32.348 33.05 33.05
27 #define TEMIC_SET_PAL_I 0x05
28 #define TEMIC_SET_PAL_DK 0x09
29 #define TEMIC_SET_PAL_L 0x0a // SECAM ?
30 #define TEMIC_SET_PAL_L2 0x0b // change IF !
31 #define TEMIC_SET_PAL_BG 0x0c
33 /* tv tuner system standard selection for Philips FQ1216ME
34 this value takes the low bits of control byte 2
35 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
37 picture carrier 38.90 38.90 38.90 38.90 33.95
38 colour 34.47 34.47 34.47 34.47 38.38
39 sound 1 33.40 32.40 32.90 32.40 40.45
41 NICAM 33.05 33.05 32.35 33.05 39.80
43 #define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
44 #define PHILIPS_SET_PAL_BGDK 0x09
45 #define PHILIPS_SET_PAL_L2 0x0a
46 #define PHILIPS_SET_PAL_L 0x0b
48 /* system switching for Philips FI1216MF MK2
49 from datasheet "1996 Jul 09",
51 picture carrier 38.90 38.90 33.95
52 colour 34.47 34.37 38.38
53 sound 1 33.40 32.40 40.45
55 NICAM 33.05 33.05 39.80
57 #define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
58 #define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */
59 #define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */
63 #define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */
64 #define TUNER_RATIO_SELECT_50 0x00
65 #define TUNER_RATIO_SELECT_32 0x02
66 #define TUNER_RATIO_SELECT_166 0x04
67 #define TUNER_RATIO_SELECT_62 0x06
69 #define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */
73 #define TUNER_POR 0x80
75 #define TUNER_MODE 0x38
76 #define TUNER_AFC 0x07
77 #define TUNER_SIGNAL 0x07
78 #define TUNER_STEREO 0x10
80 #define TUNER_PLL_LOCKED 0x40
81 #define TUNER_STEREO_MK3 0x04
83 /* ---------------------------------------------------------------------- */
85 static int tuner_getstatus(struct i2c_client
*c
)
89 if (1 != i2c_master_recv(c
,&byte
,1))
95 static int tuner_signal(struct i2c_client
*c
)
97 return (tuner_getstatus(c
) & TUNER_SIGNAL
) << 13;
100 static int tuner_stereo(struct i2c_client
*c
)
103 struct tuner
*t
= i2c_get_clientdata(c
);
105 status
= tuner_getstatus (c
);
108 case TUNER_PHILIPS_FM1216ME_MK3
:
109 case TUNER_PHILIPS_FM1236_MK3
:
110 case TUNER_PHILIPS_FM1256_IH3
:
111 case TUNER_LG_NTSC_TAPE
:
112 stereo
= ((status
& TUNER_SIGNAL
) == TUNER_STEREO_MK3
);
115 stereo
= status
& TUNER_STEREO
;
122 /* ---------------------------------------------------------------------- */
124 static void default_set_tv_freq(struct i2c_client
*c
, unsigned int freq
)
126 struct tuner
*t
= i2c_get_clientdata(c
);
127 u8 config
, cb
, tuneraddr
;
129 struct tunertype
*tun
;
131 int rc
, IFPCoff
, i
, j
;
132 enum param_type desired_type
;
133 struct tuner_params
*params
;
135 tun
= &tuners
[t
->type
];
137 /* IFPCoff = Video Intermediate Frequency - Vif:
138 940 =16*58.75 NTSC/J (Japan)
139 732 =16*45.75 M/N STD
140 704 =16*44 ATSC (at DVB code)
142 622.4=16*38.90 B/G D/K I, L STD
143 592 =16*37.00 D China
144 590 =16.36.875 B Australia
145 543.2=16*33.95 L' STD
146 171.2=16*10.70 FM Radio (at set_radio_freq)
149 if (t
->std
== V4L2_STD_NTSC_M_JP
) {
151 desired_type
= TUNER_PARAM_TYPE_NTSC
;
152 } else if ((t
->std
& V4L2_STD_MN
) &&
153 !(t
->std
& ~V4L2_STD_MN
)) {
155 desired_type
= TUNER_PARAM_TYPE_NTSC
;
156 } else if (t
->std
== V4L2_STD_SECAM_LC
) {
158 desired_type
= TUNER_PARAM_TYPE_SECAM
;
161 desired_type
= TUNER_PARAM_TYPE_PAL
;
164 for (j
= 0; j
< tun
->count
-1; j
++) {
165 if (desired_type
!= tun
->params
[j
].type
)
169 /* use default tuner_params if desired_type not available */
170 if (desired_type
!= tun
->params
[j
].type
) {
171 tuner_dbg("IFPCoff = %d: tuner_params undefined for tuner %d\n",
175 params
= &tun
->params
[j
];
177 for (i
= 0; i
< params
->count
; i
++) {
178 if (freq
> params
->ranges
[i
].limit
)
182 if (i
== params
->count
) {
183 tuner_dbg("TV frequency out of range (%d > %d)",
184 freq
, params
->ranges
[i
- 1].limit
);
185 freq
= params
->ranges
[--i
].limit
;
187 config
= params
->ranges
[i
].config
;
188 cb
= params
->ranges
[i
].cb
;
192 tuner_dbg("tv: param %d, range %d\n",j
,i
);
194 div
=freq
+ IFPCoff
+ offset
;
196 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
197 freq
/ 16, freq
% 16 * 100 / 16,
198 IFPCoff
/ 16, IFPCoff
% 16 * 100 / 16,
199 offset
/ 16, offset
% 16 * 100 / 16,
202 /* tv norm specific stuff for multi-norm tuners */
204 case TUNER_PHILIPS_SECAM
: // FI1216MF
205 /* 0x01 -> ??? no change ??? */
206 /* 0x02 -> PAL BDGHI / SECAM L */
207 /* 0x04 -> ??? PAL others / SECAM others ??? */
209 if (t
->std
& V4L2_STD_SECAM_L
) //also valid for V4L2_STD_SECAM
210 cb
|= PHILIPS_MF_SET_STD_L
;
211 else if (t
->std
& V4L2_STD_SECAM_LC
)
212 cb
|= PHILIPS_MF_SET_STD_LC
;
213 else /* V4L2_STD_B|V4L2_STD_GH */
214 cb
|= PHILIPS_MF_SET_STD_BG
;
217 case TUNER_TEMIC_4046FM5
:
220 if (t
->std
& V4L2_STD_PAL_BG
) {
221 cb
|= TEMIC_SET_PAL_BG
;
223 } else if (t
->std
& V4L2_STD_PAL_I
) {
224 cb
|= TEMIC_SET_PAL_I
;
226 } else if (t
->std
& V4L2_STD_PAL_DK
) {
227 cb
|= TEMIC_SET_PAL_DK
;
229 } else if (t
->std
& V4L2_STD_SECAM_L
) {
230 cb
|= TEMIC_SET_PAL_L
;
235 case TUNER_PHILIPS_FQ1216ME
:
238 if (t
->std
& (V4L2_STD_PAL_BG
|V4L2_STD_PAL_DK
)) {
239 cb
|= PHILIPS_SET_PAL_BGDK
;
241 } else if (t
->std
& V4L2_STD_PAL_I
) {
242 cb
|= PHILIPS_SET_PAL_I
;
244 } else if (t
->std
& V4L2_STD_SECAM_L
) {
245 cb
|= PHILIPS_SET_PAL_L
;
250 case TUNER_PHILIPS_ATSC
:
251 /* 0x00 -> ATSC antenna input 1 */
252 /* 0x01 -> ATSC antenna input 2 */
253 /* 0x02 -> NTSC antenna input 1 */
254 /* 0x03 -> NTSC antenna input 2 */
256 if (!(t
->std
& V4L2_STD_ATSC
))
261 case TUNER_MICROTUNE_4042FI5
:
262 /* Set the charge pump for fast tuning */
263 config
|= TUNER_CHARGE_PUMP
;
266 case TUNER_PHILIPS_TUV1236D
:
267 /* 0x40 -> ATSC antenna input 1 */
268 /* 0x48 -> ATSC antenna input 2 */
269 /* 0x00 -> NTSC antenna input 1 */
270 /* 0x08 -> NTSC antenna input 2 */
276 if (t
->std
& V4L2_STD_ATSC
) {
280 /* set to the correct mode (analog or digital) */
283 if (2 != (rc
= i2c_master_send(c
,&buffer
[0],2)))
284 tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc
);
285 if (2 != (rc
= i2c_master_send(c
,&buffer
[2],2)))
286 tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc
);
292 if (params
->cb_first_if_lower_freq
&& div
< t
->last_div
) {
295 buffer
[2] = (div
>>8) & 0x7f;
296 buffer
[3] = div
& 0xff;
298 buffer
[0] = (div
>>8) & 0x7f;
299 buffer
[1] = div
& 0xff;
304 if (params
->has_tda9887
) {
306 int is_secam_l
= (t
->std
& (V4L2_STD_SECAM_L
| V4L2_STD_SECAM_LC
)) &&
307 !(t
->std
& ~(V4L2_STD_SECAM_L
| V4L2_STD_SECAM_LC
));
309 if (t
->std
== V4L2_STD_SECAM_LC
) {
310 if (params
->port1_active
^ params
->port1_invert_for_secam_lc
)
311 config
|= TDA9887_PORT1_ACTIVE
;
312 if (params
->port2_active
^ params
->port2_invert_for_secam_lc
)
313 config
|= TDA9887_PORT2_ACTIVE
;
316 if (params
->port1_active
)
317 config
|= TDA9887_PORT1_ACTIVE
;
318 if (params
->port2_active
)
319 config
|= TDA9887_PORT2_ACTIVE
;
321 if (params
->intercarrier_mode
)
322 config
|= TDA9887_INTERCARRIER
;
324 if (i
== 0 && params
->default_top_secam_low
)
325 config
|= TDA9887_TOP(params
->default_top_secam_low
);
326 else if (i
== 1 && params
->default_top_secam_mid
)
327 config
|= TDA9887_TOP(params
->default_top_secam_mid
);
328 else if (params
->default_top_secam_high
)
329 config
|= TDA9887_TOP(params
->default_top_secam_high
);
332 if (i
== 0 && params
->default_top_low
)
333 config
|= TDA9887_TOP(params
->default_top_low
);
334 else if (i
== 1 && params
->default_top_mid
)
335 config
|= TDA9887_TOP(params
->default_top_mid
);
336 else if (params
->default_top_high
)
337 config
|= TDA9887_TOP(params
->default_top_high
);
339 if (params
->default_pll_gating_18
)
340 config
|= TDA9887_GATING_18
;
341 i2c_clients_command(c
->adapter
, TDA9887_SET_CONFIG
, &config
);
343 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
344 buffer
[0],buffer
[1],buffer
[2],buffer
[3]);
346 if (4 != (rc
= i2c_master_send(c
,buffer
,4)))
347 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc
);
350 case TUNER_LG_TDVS_H06XF
:
351 /* Set the Auxiliary Byte. */
352 buffer
[0] = buffer
[2];
356 tuner_dbg("tv 0x%02x 0x%02x\n",buffer
[0],buffer
[1]);
358 if (2 != (rc
= i2c_master_send(c
,buffer
,2)))
359 tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc
);
361 case TUNER_MICROTUNE_4042FI5
:
363 // FIXME - this may also work for other tuners
364 unsigned long timeout
= jiffies
+ msecs_to_jiffies(1);
367 /* Wait until the PLL locks */
369 if (time_after(jiffies
,timeout
))
371 if (1 != (rc
= i2c_master_recv(c
,&status_byte
,1))) {
372 tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc
);
375 if (status_byte
& TUNER_PLL_LOCKED
)
380 /* Set the charge pump for optimized phase noise figure */
381 config
&= ~TUNER_CHARGE_PUMP
;
382 buffer
[0] = (div
>>8) & 0x7f;
383 buffer
[1] = div
& 0xff;
386 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
387 buffer
[0],buffer
[1],buffer
[2],buffer
[3]);
389 if (4 != (rc
= i2c_master_send(c
,buffer
,4)))
390 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc
);
396 static void default_set_radio_freq(struct i2c_client
*c
, unsigned int freq
)
398 struct tunertype
*tun
;
399 struct tuner
*t
= i2c_get_clientdata(c
);
403 enum param_type desired_type
= TUNER_PARAM_TYPE_RADIO
;
404 struct tuner_params
*params
;
406 tun
= &tuners
[t
->type
];
408 for (j
= 0; j
< tun
->count
-1; j
++) {
409 if (desired_type
!= tun
->params
[j
].type
)
413 /* use default tuner_params if desired_type not available */
414 if (desired_type
!= tun
->params
[j
].type
)
417 div
= (20 * freq
/ 16000) + (int)(20*10.7); /* IF 10.7 MHz */
418 params
= &tun
->params
[j
];
419 buffer
[2] = (params
->ranges
[0].config
& ~TUNER_RATIO_MASK
) | TUNER_RATIO_SELECT_50
; /* 50 kHz step */
422 case TUNER_TENA_9533_DI
:
423 case TUNER_YMEC_TVF_5533MF
:
424 tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n");
426 case TUNER_PHILIPS_FM1216ME_MK3
:
427 case TUNER_PHILIPS_FM1236_MK3
:
428 case TUNER_PHILIPS_FMD1216ME_MK3
:
429 case TUNER_LG_NTSC_TAPE
:
432 case TUNER_TNF_5335MF
:
435 case TUNER_PHILIPS_FM1256_IH3
:
436 div
= (20 * freq
) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
439 case TUNER_LG_PAL_FM
:
442 case TUNER_MICROTUNE_4049FM5
:
443 div
= (20 * freq
) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
450 if (params
->cb_first_if_lower_freq
&& div
< t
->last_div
) {
451 buffer
[0] = buffer
[2];
452 buffer
[1] = buffer
[3];
453 buffer
[2] = (div
>>8) & 0x7f;
454 buffer
[3] = div
& 0xff;
456 buffer
[0] = (div
>>8) & 0x7f;
457 buffer
[1] = div
& 0xff;
460 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
461 buffer
[0],buffer
[1],buffer
[2],buffer
[3]);
464 if (params
->has_tda9887
) {
466 if (params
->port1_active
&& !params
->port1_fm_high_sensitivity
)
467 config
|= TDA9887_PORT1_ACTIVE
;
468 if (params
->port2_active
&& !params
->port2_fm_high_sensitivity
)
469 config
|= TDA9887_PORT2_ACTIVE
;
470 if (params
->intercarrier_mode
)
471 config
|= TDA9887_INTERCARRIER
;
472 /* if (params->port1_set_for_fm_mono)
473 config &= ~TDA9887_PORT1_ACTIVE;*/
474 if (params
->fm_gain_normal
)
475 config
|= TDA9887_GAIN_NORMAL
;
476 i2c_clients_command(c
->adapter
, TDA9887_SET_CONFIG
, &config
);
478 if (4 != (rc
= i2c_master_send(c
,buffer
,4)))
479 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc
);
482 int default_tuner_init(struct i2c_client
*c
)
484 struct tuner
*t
= i2c_get_clientdata(c
);
486 tuner_info("type set to %d (%s)\n",
487 t
->type
, tuners
[t
->type
].name
);
488 strlcpy(c
->name
, tuners
[t
->type
].name
, sizeof(c
->name
));
490 t
->ops
.set_tv_freq
= default_set_tv_freq
;
491 t
->ops
.set_radio_freq
= default_set_radio_freq
;
492 t
->ops
.has_signal
= tuner_signal
;
493 t
->ops
.is_stereo
= tuner_stereo
;
494 t
->ops
.standby
= NULL
;
500 * Overrides for Emacs so that we follow Linus's tabbing style.
501 * ---------------------------------------------------------------------------