Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * i2c tv tuner chip device driver |
3 | * controls all those simple 4-control-bytes style tuners. | |
4adad287 MK |
4 | * |
5 | * This "tuner-simple" module was split apart from the original "tuner" module. | |
1da177e4 LT |
6 | */ |
7 | #include <linux/delay.h> | |
8 | #include <linux/i2c.h> | |
f894dfd7 | 9 | #include <linux/videodev2.h> |
1da177e4 | 10 | #include <media/tuner.h> |
ba8fc399 | 11 | #include <media/v4l2-common.h> |
8218b0b2 | 12 | #include <media/tuner-types.h> |
4adad287 MK |
13 | #include "tuner-i2c.h" |
14 | #include "tuner-simple.h" | |
15 | ||
9ba0a3c0 | 16 | static int debug; |
4adad287 MK |
17 | module_param(debug, int, 0644); |
18 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
19 | ||
65511611 MK |
20 | #define TUNER_SIMPLE_MAX 64 |
21 | static unsigned int simple_devcount; | |
22 | ||
9ba0a3c0 | 23 | static int offset; |
4d98816b | 24 | module_param(offset, int, 0664); |
9ba0a3c0 | 25 | MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner"); |
5c07db0c | 26 | |
65511611 MK |
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"); | |
35 | ||
1da177e4 LT |
36 | /* ---------------------------------------------------------------------- */ |
37 | ||
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 | |
41 | standard BG I L L2 D | |
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 | |
44 | sound 2 33.16 | |
45 | NICAM 33.05 32.348 33.05 33.05 | |
46 | */ | |
47 | #define TEMIC_SET_PAL_I 0x05 | |
48 | #define TEMIC_SET_PAL_DK 0x09 | |
9ba0a3c0 MK |
49 | #define TEMIC_SET_PAL_L 0x0a /* SECAM ? */ |
50 | #define TEMIC_SET_PAL_L2 0x0b /* change IF ! */ | |
1da177e4 LT |
51 | #define TEMIC_SET_PAL_BG 0x0c |
52 | ||
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") | |
56 | standard BG DK I L L` | |
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 | |
60 | sound 2 33.16 - - - - | |
61 | NICAM 33.05 33.05 32.35 33.05 39.80 | |
62 | */ | |
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 | |
67 | ||
68 | /* system switching for Philips FI1216MF MK2 | |
69 | from datasheet "1996 Jul 09", | |
70 | standard BG L L' | |
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 | |
74 | sound 2 33.16 - - | |
75 | NICAM 33.05 33.05 39.80 | |
76 | */ | |
c57032de MCC |
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' */ | |
1da177e4 | 80 | |
f7ce3cc6 MCC |
81 | /* Control byte */ |
82 | ||
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 | |
88 | ||
89 | #define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */ | |
90 | ||
91 | /* Status byte */ | |
92 | ||
93 | #define TUNER_POR 0x80 | |
94 | #define TUNER_FL 0x40 | |
95 | #define TUNER_MODE 0x38 | |
96 | #define TUNER_AFC 0x07 | |
97 | #define TUNER_SIGNAL 0x07 | |
98 | #define TUNER_STEREO 0x10 | |
99 | ||
100 | #define TUNER_PLL_LOCKED 0x40 | |
101 | #define TUNER_STEREO_MK3 0x04 | |
1da177e4 | 102 | |
62325497 MK |
103 | static DEFINE_MUTEX(tuner_simple_list_mutex); |
104 | static LIST_HEAD(hybrid_tuner_instance_list); | |
105 | ||
6b1dde90 | 106 | struct tuner_simple_priv { |
65511611 | 107 | unsigned int nr; |
6b1dde90 | 108 | u16 last_div; |
62325497 | 109 | |
db8a6956 | 110 | struct tuner_i2c_props i2c_props; |
62325497 | 111 | struct list_head hybrid_tuner_instance_list; |
4adad287 MK |
112 | |
113 | unsigned int type; | |
114 | struct tunertype *tun; | |
115 | ||
116 | u32 frequency; | |
62325497 | 117 | u32 bandwidth; |
6b1dde90 MK |
118 | }; |
119 | ||
1da177e4 LT |
120 | /* ---------------------------------------------------------------------- */ |
121 | ||
735f0b9a | 122 | static int tuner_read_status(struct dvb_frontend *fe) |
1da177e4 | 123 | { |
4adad287 | 124 | struct tuner_simple_priv *priv = fe->tuner_priv; |
1da177e4 LT |
125 | unsigned char byte; |
126 | ||
9ba0a3c0 | 127 | if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1)) |
1da177e4 | 128 | return 0; |
56fc08ca | 129 | |
1da177e4 LT |
130 | return byte; |
131 | } | |
132 | ||
735f0b9a | 133 | static inline int tuner_signal(const int status) |
1da177e4 | 134 | { |
735f0b9a | 135 | return (status & TUNER_SIGNAL) << 13; |
1da177e4 LT |
136 | } |
137 | ||
735f0b9a | 138 | static inline int tuner_stereo(const int type, const int status) |
1da177e4 | 139 | { |
735f0b9a | 140 | switch (type) { |
9ba0a3c0 MK |
141 | case TUNER_PHILIPS_FM1216ME_MK3: |
142 | case TUNER_PHILIPS_FM1236_MK3: | |
143 | case TUNER_PHILIPS_FM1256_IH3: | |
144 | case TUNER_LG_NTSC_TAPE: | |
8f2b7b70 | 145 | case TUNER_TCL_MF02GIP_5N: |
9ba0a3c0 | 146 | return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); |
5bc53a9f DB |
147 | case TUNER_PHILIPS_FM1216MK5: |
148 | return status | TUNER_STEREO; | |
9ba0a3c0 MK |
149 | default: |
150 | return status & TUNER_STEREO; | |
56fc08ca | 151 | } |
735f0b9a | 152 | } |
56fc08ca | 153 | |
735f0b9a MK |
154 | static inline int tuner_islocked(const int status) |
155 | { | |
156 | return (status & TUNER_FL); | |
157 | } | |
158 | ||
159 | static inline int tuner_afcstatus(const int status) | |
160 | { | |
161 | return (status & TUNER_AFC) - 2; | |
1da177e4 LT |
162 | } |
163 | ||
1da177e4 | 164 | |
4adad287 MK |
165 | static int simple_get_status(struct dvb_frontend *fe, u32 *status) |
166 | { | |
167 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
a81df363 MK |
168 | int tuner_status; |
169 | ||
170 | if (priv->i2c_props.adap == NULL) | |
171 | return -EINVAL; | |
172 | ||
173 | tuner_status = tuner_read_status(fe); | |
4adad287 MK |
174 | |
175 | *status = 0; | |
176 | ||
735f0b9a | 177 | if (tuner_islocked(tuner_status)) |
4adad287 | 178 | *status = TUNER_STATUS_LOCKED; |
735f0b9a | 179 | if (tuner_stereo(priv->type, tuner_status)) |
4adad287 MK |
180 | *status |= TUNER_STATUS_STEREO; |
181 | ||
735f0b9a MK |
182 | tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status)); |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
187 | static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength) | |
188 | { | |
189 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
a81df363 MK |
190 | int signal; |
191 | ||
192 | if (priv->i2c_props.adap == NULL) | |
193 | return -EINVAL; | |
194 | ||
195 | signal = tuner_signal(tuner_read_status(fe)); | |
735f0b9a MK |
196 | |
197 | *strength = signal; | |
198 | ||
199 | tuner_dbg("Signal strength: %d\n", signal); | |
4adad287 MK |
200 | |
201 | return 0; | |
202 | } | |
203 | ||
1da177e4 LT |
204 | /* ---------------------------------------------------------------------- */ |
205 | ||
be71f7dc MK |
206 | static inline char *tuner_param_name(enum param_type type) |
207 | { | |
208 | char *name; | |
209 | ||
210 | switch (type) { | |
211 | case TUNER_PARAM_TYPE_RADIO: | |
212 | name = "radio"; | |
213 | break; | |
214 | case TUNER_PARAM_TYPE_PAL: | |
215 | name = "pal"; | |
216 | break; | |
217 | case TUNER_PARAM_TYPE_SECAM: | |
218 | name = "secam"; | |
219 | break; | |
220 | case TUNER_PARAM_TYPE_NTSC: | |
221 | name = "ntsc"; | |
222 | break; | |
62325497 MK |
223 | case TUNER_PARAM_TYPE_DIGITAL: |
224 | name = "digital"; | |
225 | break; | |
be71f7dc MK |
226 | default: |
227 | name = "unknown"; | |
228 | break; | |
229 | } | |
230 | return name; | |
231 | } | |
232 | ||
233 | static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe, | |
234 | enum param_type desired_type) | |
235 | { | |
236 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
237 | struct tunertype *tun = priv->tun; | |
238 | int i; | |
239 | ||
240 | for (i = 0; i < tun->count; i++) | |
241 | if (desired_type == tun->params[i].type) | |
242 | break; | |
243 | ||
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); | |
248 | i = 0; | |
249 | } | |
250 | ||
251 | tuner_dbg("using tuner params #%d (%s)\n", i, | |
252 | tuner_param_name(tun->params[i].type)); | |
253 | ||
254 | return &tun->params[i]; | |
255 | } | |
256 | ||
257 | static int simple_config_lookup(struct dvb_frontend *fe, | |
258 | struct tuner_params *t_params, | |
c6eb8eaf | 259 | unsigned *frequency, u8 *config, u8 *cb) |
be71f7dc MK |
260 | { |
261 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
262 | int i; | |
263 | ||
264 | for (i = 0; i < t_params->count; i++) { | |
265 | if (*frequency > t_params->ranges[i].limit) | |
266 | continue; | |
267 | break; | |
268 | } | |
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; | |
273 | } | |
274 | *config = t_params->ranges[i].config; | |
275 | *cb = t_params->ranges[i].cb; | |
276 | ||
7f8447d1 MK |
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, | |
280 | i, *config, *cb); | |
be71f7dc MK |
281 | |
282 | return i; | |
283 | } | |
284 | ||
285 | /* ---------------------------------------------------------------------- */ | |
286 | ||
02f5f444 MK |
287 | static void simple_set_rf_input(struct dvb_frontend *fe, |
288 | u8 *config, u8 *cb, unsigned int rf) | |
289 | { | |
290 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
291 | ||
292 | switch (priv->type) { | |
293 | case TUNER_PHILIPS_TUV1236D: | |
294 | switch (rf) { | |
295 | case 1: | |
296 | *cb |= 0x08; | |
297 | break; | |
298 | default: | |
299 | *cb &= ~0x08; | |
300 | break; | |
301 | } | |
302 | break; | |
ab8b870e | 303 | case TUNER_PHILIPS_FCV1236D: |
02f5f444 MK |
304 | switch (rf) { |
305 | case 1: | |
306 | *cb |= 0x01; | |
307 | break; | |
308 | default: | |
309 | *cb &= ~0x01; | |
310 | break; | |
311 | } | |
312 | break; | |
313 | default: | |
314 | break; | |
315 | } | |
316 | } | |
317 | ||
c7a9f3aa MK |
318 | static int simple_std_setup(struct dvb_frontend *fe, |
319 | struct analog_parameters *params, | |
f13613ac | 320 | u8 *config, u8 *cb) |
1da177e4 | 321 | { |
4adad287 | 322 | struct tuner_simple_priv *priv = fe->tuner_priv; |
c7a9f3aa | 323 | int rc; |
5f594187 | 324 | |
1da177e4 | 325 | /* tv norm specific stuff for multi-norm tuners */ |
4adad287 | 326 | switch (priv->type) { |
9ba0a3c0 | 327 | case TUNER_PHILIPS_SECAM: /* FI1216MF */ |
1da177e4 LT |
328 | /* 0x01 -> ??? no change ??? */ |
329 | /* 0x02 -> PAL BDGHI / SECAM L */ | |
330 | /* 0x04 -> ??? PAL others / SECAM others ??? */ | |
c7a9f3aa | 331 | *cb &= ~0x03; |
9ba0a3c0 MK |
332 | if (params->std & V4L2_STD_SECAM_L) |
333 | /* also valid for V4L2_STD_SECAM */ | |
c7a9f3aa | 334 | *cb |= PHILIPS_MF_SET_STD_L; |
4adad287 | 335 | else if (params->std & V4L2_STD_SECAM_LC) |
c7a9f3aa | 336 | *cb |= PHILIPS_MF_SET_STD_LC; |
82c01d3d | 337 | else /* V4L2_STD_B|V4L2_STD_GH */ |
c7a9f3aa | 338 | *cb |= PHILIPS_MF_SET_STD_BG; |
1da177e4 LT |
339 | break; |
340 | ||
341 | case TUNER_TEMIC_4046FM5: | |
c7a9f3aa | 342 | *cb &= ~0x0f; |
1da177e4 | 343 | |
4adad287 | 344 | if (params->std & V4L2_STD_PAL_BG) { |
c7a9f3aa | 345 | *cb |= TEMIC_SET_PAL_BG; |
1da177e4 | 346 | |
4adad287 | 347 | } else if (params->std & V4L2_STD_PAL_I) { |
c7a9f3aa | 348 | *cb |= TEMIC_SET_PAL_I; |
1da177e4 | 349 | |
4adad287 | 350 | } else if (params->std & V4L2_STD_PAL_DK) { |
c7a9f3aa | 351 | *cb |= TEMIC_SET_PAL_DK; |
1da177e4 | 352 | |
4adad287 | 353 | } else if (params->std & V4L2_STD_SECAM_L) { |
c7a9f3aa | 354 | *cb |= TEMIC_SET_PAL_L; |
1da177e4 LT |
355 | |
356 | } | |
357 | break; | |
358 | ||
359 | case TUNER_PHILIPS_FQ1216ME: | |
c7a9f3aa | 360 | *cb &= ~0x0f; |
1da177e4 | 361 | |
4adad287 | 362 | if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { |
c7a9f3aa | 363 | *cb |= PHILIPS_SET_PAL_BGDK; |
1da177e4 | 364 | |
4adad287 | 365 | } else if (params->std & V4L2_STD_PAL_I) { |
c7a9f3aa | 366 | *cb |= PHILIPS_SET_PAL_I; |
1da177e4 | 367 | |
4adad287 | 368 | } else if (params->std & V4L2_STD_SECAM_L) { |
c7a9f3aa | 369 | *cb |= PHILIPS_SET_PAL_L; |
1da177e4 LT |
370 | |
371 | } | |
372 | break; | |
373 | ||
ab8b870e | 374 | case TUNER_PHILIPS_FCV1236D: |
1da177e4 LT |
375 | /* 0x00 -> ATSC antenna input 1 */ |
376 | /* 0x01 -> ATSC antenna input 2 */ | |
377 | /* 0x02 -> NTSC antenna input 1 */ | |
378 | /* 0x03 -> NTSC antenna input 2 */ | |
c7a9f3aa | 379 | *cb &= ~0x03; |
4adad287 | 380 | if (!(params->std & V4L2_STD_ATSC)) |
c7a9f3aa | 381 | *cb |= 2; |
1da177e4 LT |
382 | break; |
383 | ||
384 | case TUNER_MICROTUNE_4042FI5: | |
385 | /* Set the charge pump for fast tuning */ | |
c7a9f3aa | 386 | *config |= TUNER_CHARGE_PUMP; |
1da177e4 | 387 | break; |
e976f937 KL |
388 | |
389 | case TUNER_PHILIPS_TUV1236D: | |
f13613ac | 390 | { |
ef88f2b5 | 391 | struct tuner_i2c_props i2c = priv->i2c_props; |
e976f937 KL |
392 | /* 0x40 -> ATSC antenna input 1 */ |
393 | /* 0x48 -> ATSC antenna input 2 */ | |
394 | /* 0x00 -> NTSC antenna input 1 */ | |
395 | /* 0x08 -> NTSC antenna input 2 */ | |
f13613ac | 396 | u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00}; |
c7a9f3aa | 397 | *cb &= ~0x40; |
4adad287 | 398 | if (params->std & V4L2_STD_ATSC) { |
c7a9f3aa | 399 | *cb |= 0x40; |
fde6d31e KL |
400 | buffer[1] = 0x04; |
401 | } | |
402 | /* set to the correct mode (analog or digital) */ | |
ef88f2b5 MCC |
403 | i2c.addr = 0x0a; |
404 | rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2); | |
9ba0a3c0 MK |
405 | if (2 != rc) |
406 | tuner_warn("i2c i/o error: rc == %d " | |
407 | "(should be 2)\n", rc); | |
ef88f2b5 | 408 | rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2); |
9ba0a3c0 MK |
409 | if (2 != rc) |
410 | tuner_warn("i2c i/o error: rc == %d " | |
411 | "(should be 2)\n", rc); | |
e976f937 | 412 | break; |
1da177e4 | 413 | } |
f13613ac | 414 | } |
65511611 MK |
415 | if (atv_input[priv->nr]) |
416 | simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); | |
1da177e4 | 417 | |
c7a9f3aa MK |
418 | return 0; |
419 | } | |
420 | ||
5ddc9b10 AW |
421 | static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux) |
422 | { | |
423 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
424 | int rc; | |
425 | u8 buffer[2]; | |
426 | ||
427 | buffer[0] = (config & ~0x38) | 0x18; | |
428 | buffer[1] = aux; | |
429 | ||
430 | tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]); | |
431 | ||
432 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); | |
433 | if (2 != rc) | |
434 | tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); | |
435 | ||
436 | return rc == 2 ? 0 : rc; | |
437 | } | |
438 | ||
c7a9f3aa MK |
439 | static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, |
440 | u16 div, u8 config, u8 cb) | |
441 | { | |
442 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
443 | int rc; | |
444 | ||
445 | switch (priv->type) { | |
446 | case TUNER_LG_TDVS_H06XF: | |
5ddc9b10 AW |
447 | simple_set_aux_byte(fe, config, 0x20); |
448 | break; | |
449 | case TUNER_PHILIPS_FQ1216LME_MK3: | |
450 | simple_set_aux_byte(fe, config, 0x60); /* External AGC */ | |
c7a9f3aa MK |
451 | break; |
452 | case TUNER_MICROTUNE_4042FI5: | |
453 | { | |
454 | /* FIXME - this may also work for other tuners */ | |
455 | unsigned long timeout = jiffies + msecs_to_jiffies(1); | |
456 | u8 status_byte = 0; | |
457 | ||
458 | /* Wait until the PLL locks */ | |
459 | for (;;) { | |
460 | if (time_after(jiffies, timeout)) | |
461 | return 0; | |
462 | rc = tuner_i2c_xfer_recv(&priv->i2c_props, | |
463 | &status_byte, 1); | |
464 | if (1 != rc) { | |
465 | tuner_warn("i2c i/o read error: rc == %d " | |
466 | "(should be 1)\n", rc); | |
467 | break; | |
468 | } | |
469 | if (status_byte & TUNER_PLL_LOCKED) | |
470 | break; | |
471 | udelay(10); | |
472 | } | |
473 | ||
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; | |
478 | buffer[2] = config; | |
479 | buffer[3] = cb; | |
480 | tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", | |
481 | buffer[0], buffer[1], buffer[2], buffer[3]); | |
482 | ||
483 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); | |
484 | if (4 != rc) | |
485 | tuner_warn("i2c i/o error: rc == %d " | |
486 | "(should be 4)\n", rc); | |
487 | break; | |
488 | } | |
489 | } | |
490 | ||
491 | return 0; | |
492 | } | |
493 | ||
494 | static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) | |
495 | { | |
496 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
497 | ||
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"); | |
503 | return 0; | |
504 | case TUNER_PHILIPS_FM1216ME_MK3: | |
505 | case TUNER_PHILIPS_FM1236_MK3: | |
506 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
953cafc0 | 507 | case TUNER_PHILIPS_FMD1216MEX_MK3: |
c7a9f3aa MK |
508 | case TUNER_LG_NTSC_TAPE: |
509 | case TUNER_PHILIPS_FM1256_IH3: | |
8f2b7b70 | 510 | case TUNER_TCL_MF02GIP_5N: |
c7a9f3aa MK |
511 | buffer[3] = 0x19; |
512 | break; | |
5bc53a9f DB |
513 | case TUNER_PHILIPS_FM1216MK5: |
514 | buffer[2] = 0x88; | |
515 | buffer[3] = 0x09; | |
516 | break; | |
c7a9f3aa MK |
517 | case TUNER_TNF_5335MF: |
518 | buffer[3] = 0x11; | |
519 | break; | |
520 | case TUNER_LG_PAL_FM: | |
521 | buffer[3] = 0xa5; | |
522 | break; | |
523 | case TUNER_THOMSON_DTT761X: | |
524 | buffer[3] = 0x39; | |
525 | break; | |
5ddc9b10 | 526 | case TUNER_PHILIPS_FQ1216LME_MK3: |
095c2471 | 527 | case TUNER_PHILIPS_FQ1236_MK5: |
5ddc9b10 AW |
528 | tuner_err("This tuner doesn't have FM\n"); |
529 | /* Set the low band for sanity, since it covers 88-108 MHz */ | |
530 | buffer[3] = 0x01; | |
531 | break; | |
c7a9f3aa MK |
532 | case TUNER_MICROTUNE_4049FM5: |
533 | default: | |
534 | buffer[3] = 0xa4; | |
535 | break; | |
536 | } | |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
541 | /* ---------------------------------------------------------------------- */ | |
542 | ||
543 | static int simple_set_tv_freq(struct dvb_frontend *fe, | |
544 | struct analog_parameters *params) | |
545 | { | |
546 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
547 | u8 config, cb; | |
548 | u16 div; | |
c7a9f3aa MK |
549 | u8 buffer[4]; |
550 | int rc, IFPCoff, i; | |
551 | enum param_type desired_type; | |
552 | struct tuner_params *t_params; | |
553 | ||
c7a9f3aa MK |
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) | |
558 | 632 =16*39.50 I U.K. | |
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) | |
564 | */ | |
565 | ||
566 | if (params->std == V4L2_STD_NTSC_M_JP) { | |
567 | IFPCoff = 940; | |
568 | desired_type = TUNER_PARAM_TYPE_NTSC; | |
569 | } else if ((params->std & V4L2_STD_MN) && | |
570 | !(params->std & ~V4L2_STD_MN)) { | |
571 | IFPCoff = 732; | |
572 | desired_type = TUNER_PARAM_TYPE_NTSC; | |
573 | } else if (params->std == V4L2_STD_SECAM_LC) { | |
574 | IFPCoff = 543; | |
575 | desired_type = TUNER_PARAM_TYPE_SECAM; | |
576 | } else { | |
577 | IFPCoff = 623; | |
578 | desired_type = TUNER_PARAM_TYPE_PAL; | |
579 | } | |
580 | ||
581 | t_params = simple_tuner_params(fe, desired_type); | |
582 | ||
583 | i = simple_config_lookup(fe, t_params, ¶ms->frequency, | |
584 | &config, &cb); | |
585 | ||
586 | div = params->frequency + IFPCoff + offset; | |
587 | ||
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); | |
593 | ||
594 | /* tv norm specific stuff for multi-norm tuners */ | |
f13613ac | 595 | simple_std_setup(fe, params, &config, &cb); |
c7a9f3aa | 596 | |
4adad287 | 597 | if (t_params->cb_first_if_lower_freq && div < priv->last_div) { |
3fc46d35 | 598 | buffer[0] = config; |
ab66b22f | 599 | buffer[1] = cb; |
1da177e4 LT |
600 | buffer[2] = (div>>8) & 0x7f; |
601 | buffer[3] = div & 0xff; | |
602 | } else { | |
603 | buffer[0] = (div>>8) & 0x7f; | |
604 | buffer[1] = div & 0xff; | |
3fc46d35 | 605 | buffer[2] = config; |
ab66b22f | 606 | buffer[3] = cb; |
1da177e4 | 607 | } |
6b1dde90 | 608 | priv->last_div = div; |
4adad287 | 609 | if (t_params->has_tda9887) { |
7f171123 | 610 | struct v4l2_priv_tun_config tda9887_cfg; |
c6eb8eaf | 611 | int tda_config = 0; |
9ba0a3c0 MK |
612 | int is_secam_l = (params->std & (V4L2_STD_SECAM_L | |
613 | V4L2_STD_SECAM_LC)) && | |
614 | !(params->std & ~(V4L2_STD_SECAM_L | | |
615 | V4L2_STD_SECAM_LC)); | |
ba8fc399 | 616 | |
7f171123 | 617 | tda9887_cfg.tuner = TUNER_TDA9887; |
c6eb8eaf | 618 | tda9887_cfg.priv = &tda_config; |
7f171123 | 619 | |
4adad287 MK |
620 | if (params->std == V4L2_STD_SECAM_LC) { |
621 | if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) | |
c6eb8eaf | 622 | tda_config |= TDA9887_PORT1_ACTIVE; |
4adad287 | 623 | if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) |
c6eb8eaf | 624 | tda_config |= TDA9887_PORT2_ACTIVE; |
9ba0a3c0 | 625 | } else { |
4adad287 | 626 | if (t_params->port1_active) |
c6eb8eaf | 627 | tda_config |= TDA9887_PORT1_ACTIVE; |
4adad287 | 628 | if (t_params->port2_active) |
c6eb8eaf | 629 | tda_config |= TDA9887_PORT2_ACTIVE; |
ba8fc399 | 630 | } |
4adad287 | 631 | if (t_params->intercarrier_mode) |
c6eb8eaf | 632 | tda_config |= TDA9887_INTERCARRIER; |
ba8fc399 | 633 | if (is_secam_l) { |
4adad287 | 634 | if (i == 0 && t_params->default_top_secam_low) |
c6eb8eaf | 635 | tda_config |= TDA9887_TOP(t_params->default_top_secam_low); |
4adad287 | 636 | else if (i == 1 && t_params->default_top_secam_mid) |
c6eb8eaf | 637 | tda_config |= TDA9887_TOP(t_params->default_top_secam_mid); |
4adad287 | 638 | else if (t_params->default_top_secam_high) |
c6eb8eaf | 639 | tda_config |= TDA9887_TOP(t_params->default_top_secam_high); |
9ba0a3c0 | 640 | } else { |
4adad287 | 641 | if (i == 0 && t_params->default_top_low) |
c6eb8eaf | 642 | tda_config |= TDA9887_TOP(t_params->default_top_low); |
4adad287 | 643 | else if (i == 1 && t_params->default_top_mid) |
c6eb8eaf | 644 | tda_config |= TDA9887_TOP(t_params->default_top_mid); |
4adad287 | 645 | else if (t_params->default_top_high) |
c6eb8eaf | 646 | tda_config |= TDA9887_TOP(t_params->default_top_high); |
ba8fc399 | 647 | } |
4adad287 | 648 | if (t_params->default_pll_gating_18) |
c6eb8eaf | 649 | tda_config |= TDA9887_GATING_18; |
7f171123 MCC |
650 | i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, |
651 | &tda9887_cfg); | |
ba8fc399 | 652 | } |
1da177e4 | 653 | tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", |
9ba0a3c0 | 654 | buffer[0], buffer[1], buffer[2], buffer[3]); |
1da177e4 | 655 | |
9ba0a3c0 MK |
656 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
657 | if (4 != rc) | |
658 | tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); | |
1da177e4 | 659 | |
c7a9f3aa | 660 | simple_post_tune(fe, &buffer[0], div, config, cb); |
1da177e4 | 661 | |
4adad287 | 662 | return 0; |
1da177e4 LT |
663 | } |
664 | ||
4adad287 MK |
665 | static int simple_set_radio_freq(struct dvb_frontend *fe, |
666 | struct analog_parameters *params) | |
1da177e4 LT |
667 | { |
668 | struct tunertype *tun; | |
4adad287 | 669 | struct tuner_simple_priv *priv = fe->tuner_priv; |
27487d44 HV |
670 | u8 buffer[4]; |
671 | u16 div; | |
7b0ac9cd | 672 | int rc, j; |
4adad287 MK |
673 | struct tuner_params *t_params; |
674 | unsigned int freq = params->frequency; | |
1da177e4 | 675 | |
4adad287 | 676 | tun = priv->tun; |
476d63d0 | 677 | |
5e082f15 TP |
678 | for (j = tun->count-1; j > 0; j--) |
679 | if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO) | |
680 | break; | |
4adad287 MK |
681 | /* default t_params (j=0) will be used if desired type wasn't found */ |
682 | t_params = &tun->params[j]; | |
5e082f15 TP |
683 | |
684 | /* Select Radio 1st IF used */ | |
4adad287 | 685 | switch (t_params->radio_if) { |
5e082f15 TP |
686 | case 0: /* 10.7 MHz */ |
687 | freq += (unsigned int)(10.7*16000); | |
476d63d0 | 688 | break; |
5e082f15 TP |
689 | case 1: /* 33.3 MHz */ |
690 | freq += (unsigned int)(33.3*16000); | |
691 | break; | |
692 | case 2: /* 41.3 MHz */ | |
693 | freq += (unsigned int)(41.3*16000); | |
694 | break; | |
695 | default: | |
9ba0a3c0 MK |
696 | tuner_warn("Unsupported radio_if value %d\n", |
697 | t_params->radio_if); | |
4adad287 | 698 | return 0; |
476d63d0 | 699 | } |
1da177e4 | 700 | |
4adad287 | 701 | buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | |
5e082f15 TP |
702 | TUNER_RATIO_SELECT_50; /* 50 kHz step */ |
703 | ||
436ae138 DB |
704 | /* Bandswitch byte */ |
705 | simple_radio_bandswitch(fe, &buffer[0]); | |
706 | ||
5e082f15 TP |
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) = | |
709 | freq * (1/800) */ | |
710 | div = (freq + 400) / 800; | |
711 | ||
4adad287 | 712 | if (t_params->cb_first_if_lower_freq && div < priv->last_div) { |
27487d44 HV |
713 | buffer[0] = buffer[2]; |
714 | buffer[1] = buffer[3]; | |
715 | buffer[2] = (div>>8) & 0x7f; | |
716 | buffer[3] = div & 0xff; | |
717 | } else { | |
718 | buffer[0] = (div>>8) & 0x7f; | |
719 | buffer[1] = div & 0xff; | |
720 | } | |
1da177e4 LT |
721 | |
722 | tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n", | |
9ba0a3c0 | 723 | buffer[0], buffer[1], buffer[2], buffer[3]); |
6b1dde90 | 724 | priv->last_div = div; |
1da177e4 | 725 | |
4adad287 | 726 | if (t_params->has_tda9887) { |
ba8fc399 | 727 | int config = 0; |
7f171123 MCC |
728 | struct v4l2_priv_tun_config tda9887_cfg; |
729 | ||
730 | tda9887_cfg.tuner = TUNER_TDA9887; | |
731 | tda9887_cfg.priv = &config; | |
732 | ||
9ba0a3c0 MK |
733 | if (t_params->port1_active && |
734 | !t_params->port1_fm_high_sensitivity) | |
ba8fc399 | 735 | config |= TDA9887_PORT1_ACTIVE; |
9ba0a3c0 MK |
736 | if (t_params->port2_active && |
737 | !t_params->port2_fm_high_sensitivity) | |
ba8fc399 | 738 | config |= TDA9887_PORT2_ACTIVE; |
4adad287 | 739 | if (t_params->intercarrier_mode) |
ba8fc399 | 740 | config |= TDA9887_INTERCARRIER; |
4adad287 | 741 | /* if (t_params->port1_set_for_fm_mono) |
ba8fc399 | 742 | config &= ~TDA9887_PORT1_ACTIVE;*/ |
4adad287 | 743 | if (t_params->fm_gain_normal) |
483deb0f | 744 | config |= TDA9887_GAIN_NORMAL; |
4adad287 | 745 | if (t_params->radio_if == 2) |
5e082f15 | 746 | config |= TDA9887_RIF_41_3; |
7f171123 | 747 | i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, |
9ba0a3c0 | 748 | &tda9887_cfg); |
ba8fc399 | 749 | } |
9ba0a3c0 MK |
750 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
751 | if (4 != rc) | |
752 | tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); | |
4adad287 | 753 | |
fabade54 DB |
754 | /* Write AUX byte */ |
755 | switch (priv->type) { | |
756 | case TUNER_PHILIPS_FM1216ME_MK3: | |
757 | buffer[2] = 0x98; | |
758 | buffer[3] = 0x20; /* set TOP AGC */ | |
759 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); | |
760 | if (4 != rc) | |
761 | tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); | |
762 | break; | |
763 | } | |
764 | ||
4adad287 | 765 | return 0; |
1da177e4 LT |
766 | } |
767 | ||
4adad287 MK |
768 | static int simple_set_params(struct dvb_frontend *fe, |
769 | struct analog_parameters *params) | |
6b1dde90 | 770 | { |
4adad287 MK |
771 | struct tuner_simple_priv *priv = fe->tuner_priv; |
772 | int ret = -EINVAL; | |
773 | ||
a81df363 MK |
774 | if (priv->i2c_props.adap == NULL) |
775 | return -EINVAL; | |
776 | ||
4adad287 MK |
777 | switch (params->mode) { |
778 | case V4L2_TUNER_RADIO: | |
779 | ret = simple_set_radio_freq(fe, params); | |
780 | priv->frequency = params->frequency * 125 / 2; | |
781 | break; | |
782 | case V4L2_TUNER_ANALOG_TV: | |
783 | case V4L2_TUNER_DIGITAL_TV: | |
784 | ret = simple_set_tv_freq(fe, params); | |
785 | priv->frequency = params->frequency * 62500; | |
786 | break; | |
787 | } | |
62325497 | 788 | priv->bandwidth = 0; |
4adad287 MK |
789 | |
790 | return ret; | |
791 | } | |
792 | ||
23a88108 | 793 | static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, |
9481f400 MCC |
794 | const u32 delsys, |
795 | const u32 frequency, | |
796 | const u32 bandwidth) | |
23a88108 MK |
797 | { |
798 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
799 | ||
800 | switch (priv->type) { | |
801 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
953cafc0 | 802 | case TUNER_PHILIPS_FMD1216MEX_MK3: |
9481f400 MCC |
803 | if (bandwidth == 8000000 && |
804 | frequency >= 158870000) | |
23a88108 MK |
805 | buf[3] |= 0x08; |
806 | break; | |
0e5d383b MK |
807 | case TUNER_PHILIPS_TD1316: |
808 | /* determine band */ | |
9481f400 MCC |
809 | buf[3] |= (frequency < 161000000) ? 1 : |
810 | (frequency < 444000000) ? 2 : 4; | |
0e5d383b MK |
811 | |
812 | /* setup PLL filter */ | |
9481f400 | 813 | if (bandwidth == 8000000) |
0e5d383b MK |
814 | buf[3] |= 1 << 3; |
815 | break; | |
02f5f444 | 816 | case TUNER_PHILIPS_TUV1236D: |
ab8b870e | 817 | case TUNER_PHILIPS_FCV1236D: |
02f5f444 MK |
818 | { |
819 | unsigned int new_rf; | |
820 | ||
65511611 MK |
821 | if (dtv_input[priv->nr]) |
822 | new_rf = dtv_input[priv->nr]; | |
823 | else | |
9481f400 MCC |
824 | switch (delsys) { |
825 | case SYS_DVBC_ANNEX_B: | |
65511611 MK |
826 | new_rf = 1; |
827 | break; | |
9481f400 | 828 | case SYS_ATSC: |
65511611 MK |
829 | default: |
830 | new_rf = 0; | |
831 | break; | |
832 | } | |
02f5f444 MK |
833 | simple_set_rf_input(fe, &buf[2], &buf[3], new_rf); |
834 | break; | |
835 | } | |
23a88108 MK |
836 | default: |
837 | break; | |
838 | } | |
839 | } | |
840 | ||
a2a7f84b | 841 | static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, |
9481f400 MCC |
842 | const u32 delsys, |
843 | const u32 freq, | |
844 | const u32 bw) | |
62325497 | 845 | { |
a2a7f84b | 846 | /* This function returns the tuned frequency on success, 0 on error */ |
62325497 MK |
847 | struct tuner_simple_priv *priv = fe->tuner_priv; |
848 | struct tunertype *tun = priv->tun; | |
849 | static struct tuner_params *t_params; | |
850 | u8 config, cb; | |
851 | u32 div; | |
c6eb8eaf | 852 | int ret; |
9481f400 | 853 | u32 frequency = freq / 62500; |
62325497 | 854 | |
6b55009e MK |
855 | if (!tun->stepsize) { |
856 | /* tuner-core was loaded before the digital tuner was | |
857 | * configured and somehow picked the wrong tuner type */ | |
858 | tuner_err("attempt to treat tuner %d (%s) as digital tuner " | |
859 | "without stepsize defined.\n", | |
860 | priv->type, priv->tun->name); | |
861 | return 0; /* failure */ | |
862 | } | |
863 | ||
62325497 MK |
864 | t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL); |
865 | ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb); | |
866 | if (ret < 0) | |
a2a7f84b | 867 | return 0; /* failure */ |
62325497 MK |
868 | |
869 | div = ((frequency + t_params->iffreq) * 62500 + offset + | |
870 | tun->stepsize/2) / tun->stepsize; | |
871 | ||
872 | buf[0] = div >> 8; | |
873 | buf[1] = div & 0xff; | |
874 | buf[2] = config; | |
875 | buf[3] = cb; | |
876 | ||
9481f400 | 877 | simple_set_dvb(fe, buf, delsys, freq, bw); |
23a88108 | 878 | |
62325497 MK |
879 | tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", |
880 | tun->name, div, buf[0], buf[1], buf[2], buf[3]); | |
881 | ||
882 | /* calculate the frequency we set it to */ | |
883 | return (div * tun->stepsize) - t_params->iffreq; | |
884 | } | |
885 | ||
886 | static int simple_dvb_calc_regs(struct dvb_frontend *fe, | |
62325497 MK |
887 | u8 *buf, int buf_len) |
888 | { | |
9481f400 MCC |
889 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
890 | u32 delsys = c->delivery_system; | |
891 | u32 bw = c->bandwidth_hz; | |
62325497 | 892 | struct tuner_simple_priv *priv = fe->tuner_priv; |
62325497 MK |
893 | u32 frequency; |
894 | ||
895 | if (buf_len < 5) | |
896 | return -EINVAL; | |
897 | ||
249fa0b0 | 898 | frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw); |
a2a7f84b MK |
899 | if (frequency == 0) |
900 | return -EINVAL; | |
62325497 MK |
901 | |
902 | buf[0] = priv->i2c_props.addr; | |
903 | ||
904 | priv->frequency = frequency; | |
249fa0b0 | 905 | priv->bandwidth = c->bandwidth_hz; |
62325497 MK |
906 | |
907 | return 5; | |
908 | } | |
909 | ||
14d24d14 | 910 | static int simple_dvb_set_params(struct dvb_frontend *fe) |
62325497 | 911 | { |
9481f400 MCC |
912 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
913 | u32 delsys = c->delivery_system; | |
914 | u32 bw = c->bandwidth_hz; | |
915 | u32 freq = c->frequency; | |
62325497 | 916 | struct tuner_simple_priv *priv = fe->tuner_priv; |
9481f400 | 917 | u32 frequency; |
62325497 MK |
918 | u32 prev_freq, prev_bw; |
919 | int ret; | |
920 | u8 buf[5]; | |
921 | ||
922 | if (priv->i2c_props.adap == NULL) | |
923 | return -EINVAL; | |
924 | ||
925 | prev_freq = priv->frequency; | |
926 | prev_bw = priv->bandwidth; | |
927 | ||
9481f400 MCC |
928 | frequency = simple_dvb_configure(fe, buf+1, delsys, freq, bw); |
929 | if (frequency == 0) | |
930 | return -EINVAL; | |
931 | ||
932 | buf[0] = priv->i2c_props.addr; | |
933 | ||
934 | priv->frequency = frequency; | |
935 | priv->bandwidth = bw; | |
62325497 MK |
936 | |
937 | /* put analog demod in standby when tuning digital */ | |
938 | if (fe->ops.analog_ops.standby) | |
939 | fe->ops.analog_ops.standby(fe); | |
940 | ||
941 | if (fe->ops.i2c_gate_ctrl) | |
942 | fe->ops.i2c_gate_ctrl(fe, 1); | |
943 | ||
944 | /* buf[0] contains the i2c address, but * | |
945 | * we already have it in i2c_props.addr */ | |
946 | ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4); | |
947 | if (ret != 4) | |
948 | goto fail; | |
949 | ||
950 | return 0; | |
951 | fail: | |
952 | /* calc_regs sets frequency and bandwidth. if we failed, unset them */ | |
953 | priv->frequency = prev_freq; | |
954 | priv->bandwidth = prev_bw; | |
955 | ||
956 | return ret; | |
957 | } | |
4adad287 | 958 | |
6f4a5729 MK |
959 | static int simple_init(struct dvb_frontend *fe) |
960 | { | |
961 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
962 | ||
963 | if (priv->i2c_props.adap == NULL) | |
964 | return -EINVAL; | |
965 | ||
966 | if (priv->tun->initdata) { | |
967 | int ret; | |
968 | ||
969 | if (fe->ops.i2c_gate_ctrl) | |
970 | fe->ops.i2c_gate_ctrl(fe, 1); | |
971 | ||
972 | ret = tuner_i2c_xfer_send(&priv->i2c_props, | |
973 | priv->tun->initdata + 1, | |
974 | priv->tun->initdata[0]); | |
975 | if (ret != priv->tun->initdata[0]) | |
976 | return ret; | |
977 | } | |
978 | ||
979 | return 0; | |
980 | } | |
981 | ||
982 | static int simple_sleep(struct dvb_frontend *fe) | |
983 | { | |
984 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
985 | ||
986 | if (priv->i2c_props.adap == NULL) | |
987 | return -EINVAL; | |
988 | ||
989 | if (priv->tun->sleepdata) { | |
990 | int ret; | |
991 | ||
992 | if (fe->ops.i2c_gate_ctrl) | |
993 | fe->ops.i2c_gate_ctrl(fe, 1); | |
994 | ||
995 | ret = tuner_i2c_xfer_send(&priv->i2c_props, | |
996 | priv->tun->sleepdata + 1, | |
997 | priv->tun->sleepdata[0]); | |
998 | if (ret != priv->tun->sleepdata[0]) | |
999 | return ret; | |
1000 | } | |
1001 | ||
1002 | return 0; | |
1003 | } | |
1004 | ||
4adad287 MK |
1005 | static int simple_release(struct dvb_frontend *fe) |
1006 | { | |
62325497 MK |
1007 | struct tuner_simple_priv *priv = fe->tuner_priv; |
1008 | ||
1009 | mutex_lock(&tuner_simple_list_mutex); | |
1010 | ||
1011 | if (priv) | |
1012 | hybrid_tuner_release_state(priv); | |
1013 | ||
1014 | mutex_unlock(&tuner_simple_list_mutex); | |
1015 | ||
4adad287 MK |
1016 | fe->tuner_priv = NULL; |
1017 | ||
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1022 | { | |
1023 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
1024 | *frequency = priv->frequency; | |
1025 | return 0; | |
6b1dde90 MK |
1026 | } |
1027 | ||
62325497 MK |
1028 | static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) |
1029 | { | |
1030 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
249fa0b0 MCC |
1031 | switch (priv->bandwidth) { |
1032 | case 6000000: | |
1033 | *bandwidth = BANDWIDTH_6_MHZ; | |
1034 | break; | |
1035 | case 7000000: | |
1036 | *bandwidth = BANDWIDTH_7_MHZ; | |
1037 | break; | |
1038 | case 8000000: | |
1039 | *bandwidth = BANDWIDTH_8_MHZ; | |
1040 | break; | |
1041 | } | |
62325497 MK |
1042 | return 0; |
1043 | } | |
1044 | ||
4adad287 | 1045 | static struct dvb_tuner_ops simple_tuner_ops = { |
6f4a5729 MK |
1046 | .init = simple_init, |
1047 | .sleep = simple_sleep, | |
4adad287 | 1048 | .set_analog_params = simple_set_params, |
62325497 MK |
1049 | .set_params = simple_dvb_set_params, |
1050 | .calc_regs = simple_dvb_calc_regs, | |
735f0b9a MK |
1051 | .release = simple_release, |
1052 | .get_frequency = simple_get_frequency, | |
62325497 | 1053 | .get_bandwidth = simple_get_bandwidth, |
735f0b9a MK |
1054 | .get_status = simple_get_status, |
1055 | .get_rf_strength = simple_get_rf_strength, | |
5d807c9f MK |
1056 | }; |
1057 | ||
4adad287 MK |
1058 | struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, |
1059 | struct i2c_adapter *i2c_adap, | |
1060 | u8 i2c_addr, | |
060a5bd7 | 1061 | unsigned int type) |
1da177e4 | 1062 | { |
6b1dde90 | 1063 | struct tuner_simple_priv *priv = NULL; |
62325497 | 1064 | int instance; |
6b1dde90 | 1065 | |
65e8d29f MK |
1066 | if (type >= tuner_count) { |
1067 | printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n", | |
7e28adb2 | 1068 | __func__, type, tuner_count-1); |
65e8d29f MK |
1069 | return NULL; |
1070 | } | |
1071 | ||
e827931e MK |
1072 | /* If i2c_adap is set, check that the tuner is at the correct address. |
1073 | * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly | |
1074 | * by the digital demod via calc_regs. | |
1075 | */ | |
1076 | if (i2c_adap != NULL) { | |
1077 | u8 b[1]; | |
1078 | struct i2c_msg msg = { | |
1079 | .addr = i2c_addr, .flags = I2C_M_RD, | |
1080 | .buf = b, .len = 1, | |
1081 | }; | |
1082 | ||
1083 | if (fe->ops.i2c_gate_ctrl) | |
1084 | fe->ops.i2c_gate_ctrl(fe, 1); | |
1085 | ||
1086 | if (1 != i2c_transfer(i2c_adap, &msg, 1)) | |
3b4a9714 AW |
1087 | printk(KERN_WARNING "tuner-simple %d-%04x: " |
1088 | "unable to probe %s, proceeding anyway.", | |
1089 | i2c_adapter_id(i2c_adap), i2c_addr, | |
1090 | tuners[type].name); | |
e827931e MK |
1091 | |
1092 | if (fe->ops.i2c_gate_ctrl) | |
1093 | fe->ops.i2c_gate_ctrl(fe, 0); | |
1094 | } | |
1095 | ||
62325497 MK |
1096 | mutex_lock(&tuner_simple_list_mutex); |
1097 | ||
1098 | instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv, | |
1099 | hybrid_tuner_instance_list, | |
1100 | i2c_adap, i2c_addr, | |
1101 | "tuner-simple"); | |
1102 | switch (instance) { | |
1103 | case 0: | |
1104 | mutex_unlock(&tuner_simple_list_mutex); | |
4adad287 | 1105 | return NULL; |
62325497 MK |
1106 | case 1: |
1107 | fe->tuner_priv = priv; | |
1da177e4 | 1108 | |
62325497 MK |
1109 | priv->type = type; |
1110 | priv->tun = &tuners[type]; | |
65511611 | 1111 | priv->nr = simple_devcount++; |
62325497 MK |
1112 | break; |
1113 | default: | |
1114 | fe->tuner_priv = priv; | |
1115 | break; | |
1116 | } | |
2756665c | 1117 | |
62325497 | 1118 | mutex_unlock(&tuner_simple_list_mutex); |
db8a6956 | 1119 | |
9ba0a3c0 MK |
1120 | memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, |
1121 | sizeof(struct dvb_tuner_ops)); | |
1da177e4 | 1122 | |
0b82c5d6 MCC |
1123 | if (type != priv->type) |
1124 | tuner_warn("couldn't set type to %d. Using %d (%s) instead\n", | |
1125 | type, priv->type, priv->tun->name); | |
1126 | else | |
1127 | tuner_info("type set to %d (%s)\n", | |
1128 | priv->type, priv->tun->name); | |
586b0cab | 1129 | |
65511611 MK |
1130 | if ((debug) || ((atv_input[priv->nr] > 0) || |
1131 | (dtv_input[priv->nr] > 0))) { | |
1132 | if (0 == atv_input[priv->nr]) | |
1133 | tuner_info("tuner %d atv rf input will be " | |
1134 | "autoselected\n", priv->nr); | |
1135 | else | |
1136 | tuner_info("tuner %d atv rf input will be " | |
1137 | "set to input %d (insmod option)\n", | |
1138 | priv->nr, atv_input[priv->nr]); | |
1139 | if (0 == dtv_input[priv->nr]) | |
1140 | tuner_info("tuner %d dtv rf input will be " | |
1141 | "autoselected\n", priv->nr); | |
1142 | else | |
1143 | tuner_info("tuner %d dtv rf input will be " | |
1144 | "set to input %d (insmod option)\n", | |
1145 | priv->nr, dtv_input[priv->nr]); | |
1146 | } | |
1147 | ||
060a5bd7 | 1148 | strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name, |
9ba0a3c0 | 1149 | sizeof(fe->ops.tuner_ops.info.name)); |
4adad287 MK |
1150 | |
1151 | return fe; | |
1da177e4 | 1152 | } |
4adad287 MK |
1153 | EXPORT_SYMBOL_GPL(simple_tuner_attach); |
1154 | ||
1155 | MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver"); | |
1156 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
1157 | MODULE_LICENSE("GPL"); | |
1158 | ||
1da177e4 LT |
1159 | /* |
1160 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1161 | * --------------------------------------------------------------------------- | |
1162 | * Local variables: | |
1163 | * c-basic-offset: 8 | |
1164 | * End: | |
1165 | */ |