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 MK |
146 | return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); |
147 | default: | |
148 | return status & TUNER_STEREO; | |
56fc08ca | 149 | } |
735f0b9a | 150 | } |
56fc08ca | 151 | |
735f0b9a MK |
152 | static inline int tuner_islocked(const int status) |
153 | { | |
154 | return (status & TUNER_FL); | |
155 | } | |
156 | ||
157 | static inline int tuner_afcstatus(const int status) | |
158 | { | |
159 | return (status & TUNER_AFC) - 2; | |
1da177e4 LT |
160 | } |
161 | ||
1da177e4 | 162 | |
4adad287 MK |
163 | static int simple_get_status(struct dvb_frontend *fe, u32 *status) |
164 | { | |
165 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
a81df363 MK |
166 | int tuner_status; |
167 | ||
168 | if (priv->i2c_props.adap == NULL) | |
169 | return -EINVAL; | |
170 | ||
171 | tuner_status = tuner_read_status(fe); | |
4adad287 MK |
172 | |
173 | *status = 0; | |
174 | ||
735f0b9a | 175 | if (tuner_islocked(tuner_status)) |
4adad287 | 176 | *status = TUNER_STATUS_LOCKED; |
735f0b9a | 177 | if (tuner_stereo(priv->type, tuner_status)) |
4adad287 MK |
178 | *status |= TUNER_STATUS_STEREO; |
179 | ||
735f0b9a MK |
180 | tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status)); |
181 | ||
182 | return 0; | |
183 | } | |
184 | ||
185 | static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength) | |
186 | { | |
187 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
a81df363 MK |
188 | int signal; |
189 | ||
190 | if (priv->i2c_props.adap == NULL) | |
191 | return -EINVAL; | |
192 | ||
193 | signal = tuner_signal(tuner_read_status(fe)); | |
735f0b9a MK |
194 | |
195 | *strength = signal; | |
196 | ||
197 | tuner_dbg("Signal strength: %d\n", signal); | |
4adad287 MK |
198 | |
199 | return 0; | |
200 | } | |
201 | ||
1da177e4 LT |
202 | /* ---------------------------------------------------------------------- */ |
203 | ||
be71f7dc MK |
204 | static inline char *tuner_param_name(enum param_type type) |
205 | { | |
206 | char *name; | |
207 | ||
208 | switch (type) { | |
209 | case TUNER_PARAM_TYPE_RADIO: | |
210 | name = "radio"; | |
211 | break; | |
212 | case TUNER_PARAM_TYPE_PAL: | |
213 | name = "pal"; | |
214 | break; | |
215 | case TUNER_PARAM_TYPE_SECAM: | |
216 | name = "secam"; | |
217 | break; | |
218 | case TUNER_PARAM_TYPE_NTSC: | |
219 | name = "ntsc"; | |
220 | break; | |
62325497 MK |
221 | case TUNER_PARAM_TYPE_DIGITAL: |
222 | name = "digital"; | |
223 | break; | |
be71f7dc MK |
224 | default: |
225 | name = "unknown"; | |
226 | break; | |
227 | } | |
228 | return name; | |
229 | } | |
230 | ||
231 | static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe, | |
232 | enum param_type desired_type) | |
233 | { | |
234 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
235 | struct tunertype *tun = priv->tun; | |
236 | int i; | |
237 | ||
238 | for (i = 0; i < tun->count; i++) | |
239 | if (desired_type == tun->params[i].type) | |
240 | break; | |
241 | ||
242 | /* use default tuner params if desired_type not available */ | |
243 | if (i == tun->count) { | |
244 | tuner_dbg("desired params (%s) undefined for tuner %d\n", | |
245 | tuner_param_name(desired_type), priv->type); | |
246 | i = 0; | |
247 | } | |
248 | ||
249 | tuner_dbg("using tuner params #%d (%s)\n", i, | |
250 | tuner_param_name(tun->params[i].type)); | |
251 | ||
252 | return &tun->params[i]; | |
253 | } | |
254 | ||
255 | static int simple_config_lookup(struct dvb_frontend *fe, | |
256 | struct tuner_params *t_params, | |
c6eb8eaf | 257 | unsigned *frequency, u8 *config, u8 *cb) |
be71f7dc MK |
258 | { |
259 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
260 | int i; | |
261 | ||
262 | for (i = 0; i < t_params->count; i++) { | |
263 | if (*frequency > t_params->ranges[i].limit) | |
264 | continue; | |
265 | break; | |
266 | } | |
267 | if (i == t_params->count) { | |
268 | tuner_dbg("frequency out of range (%d > %d)\n", | |
269 | *frequency, t_params->ranges[i - 1].limit); | |
270 | *frequency = t_params->ranges[--i].limit; | |
271 | } | |
272 | *config = t_params->ranges[i].config; | |
273 | *cb = t_params->ranges[i].cb; | |
274 | ||
7f8447d1 MK |
275 | tuner_dbg("freq = %d.%02d (%d), range = %d, " |
276 | "config = 0x%02x, cb = 0x%02x\n", | |
277 | *frequency / 16, *frequency % 16 * 100 / 16, *frequency, | |
278 | i, *config, *cb); | |
be71f7dc MK |
279 | |
280 | return i; | |
281 | } | |
282 | ||
283 | /* ---------------------------------------------------------------------- */ | |
284 | ||
02f5f444 MK |
285 | static void simple_set_rf_input(struct dvb_frontend *fe, |
286 | u8 *config, u8 *cb, unsigned int rf) | |
287 | { | |
288 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
289 | ||
290 | switch (priv->type) { | |
291 | case TUNER_PHILIPS_TUV1236D: | |
292 | switch (rf) { | |
293 | case 1: | |
294 | *cb |= 0x08; | |
295 | break; | |
296 | default: | |
297 | *cb &= ~0x08; | |
298 | break; | |
299 | } | |
300 | break; | |
ab8b870e | 301 | case TUNER_PHILIPS_FCV1236D: |
02f5f444 MK |
302 | switch (rf) { |
303 | case 1: | |
304 | *cb |= 0x01; | |
305 | break; | |
306 | default: | |
307 | *cb &= ~0x01; | |
308 | break; | |
309 | } | |
310 | break; | |
311 | default: | |
312 | break; | |
313 | } | |
314 | } | |
315 | ||
c7a9f3aa MK |
316 | static int simple_std_setup(struct dvb_frontend *fe, |
317 | struct analog_parameters *params, | |
f13613ac | 318 | u8 *config, u8 *cb) |
1da177e4 | 319 | { |
4adad287 | 320 | struct tuner_simple_priv *priv = fe->tuner_priv; |
c7a9f3aa | 321 | int rc; |
5f594187 | 322 | |
1da177e4 | 323 | /* tv norm specific stuff for multi-norm tuners */ |
4adad287 | 324 | switch (priv->type) { |
9ba0a3c0 | 325 | case TUNER_PHILIPS_SECAM: /* FI1216MF */ |
1da177e4 LT |
326 | /* 0x01 -> ??? no change ??? */ |
327 | /* 0x02 -> PAL BDGHI / SECAM L */ | |
328 | /* 0x04 -> ??? PAL others / SECAM others ??? */ | |
c7a9f3aa | 329 | *cb &= ~0x03; |
9ba0a3c0 MK |
330 | if (params->std & V4L2_STD_SECAM_L) |
331 | /* also valid for V4L2_STD_SECAM */ | |
c7a9f3aa | 332 | *cb |= PHILIPS_MF_SET_STD_L; |
4adad287 | 333 | else if (params->std & V4L2_STD_SECAM_LC) |
c7a9f3aa | 334 | *cb |= PHILIPS_MF_SET_STD_LC; |
82c01d3d | 335 | else /* V4L2_STD_B|V4L2_STD_GH */ |
c7a9f3aa | 336 | *cb |= PHILIPS_MF_SET_STD_BG; |
1da177e4 LT |
337 | break; |
338 | ||
339 | case TUNER_TEMIC_4046FM5: | |
c7a9f3aa | 340 | *cb &= ~0x0f; |
1da177e4 | 341 | |
4adad287 | 342 | if (params->std & V4L2_STD_PAL_BG) { |
c7a9f3aa | 343 | *cb |= TEMIC_SET_PAL_BG; |
1da177e4 | 344 | |
4adad287 | 345 | } else if (params->std & V4L2_STD_PAL_I) { |
c7a9f3aa | 346 | *cb |= TEMIC_SET_PAL_I; |
1da177e4 | 347 | |
4adad287 | 348 | } else if (params->std & V4L2_STD_PAL_DK) { |
c7a9f3aa | 349 | *cb |= TEMIC_SET_PAL_DK; |
1da177e4 | 350 | |
4adad287 | 351 | } else if (params->std & V4L2_STD_SECAM_L) { |
c7a9f3aa | 352 | *cb |= TEMIC_SET_PAL_L; |
1da177e4 LT |
353 | |
354 | } | |
355 | break; | |
356 | ||
357 | case TUNER_PHILIPS_FQ1216ME: | |
c7a9f3aa | 358 | *cb &= ~0x0f; |
1da177e4 | 359 | |
4adad287 | 360 | if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { |
c7a9f3aa | 361 | *cb |= PHILIPS_SET_PAL_BGDK; |
1da177e4 | 362 | |
4adad287 | 363 | } else if (params->std & V4L2_STD_PAL_I) { |
c7a9f3aa | 364 | *cb |= PHILIPS_SET_PAL_I; |
1da177e4 | 365 | |
4adad287 | 366 | } else if (params->std & V4L2_STD_SECAM_L) { |
c7a9f3aa | 367 | *cb |= PHILIPS_SET_PAL_L; |
1da177e4 LT |
368 | |
369 | } | |
370 | break; | |
371 | ||
ab8b870e | 372 | case TUNER_PHILIPS_FCV1236D: |
1da177e4 LT |
373 | /* 0x00 -> ATSC antenna input 1 */ |
374 | /* 0x01 -> ATSC antenna input 2 */ | |
375 | /* 0x02 -> NTSC antenna input 1 */ | |
376 | /* 0x03 -> NTSC antenna input 2 */ | |
c7a9f3aa | 377 | *cb &= ~0x03; |
4adad287 | 378 | if (!(params->std & V4L2_STD_ATSC)) |
c7a9f3aa | 379 | *cb |= 2; |
1da177e4 LT |
380 | break; |
381 | ||
382 | case TUNER_MICROTUNE_4042FI5: | |
383 | /* Set the charge pump for fast tuning */ | |
c7a9f3aa | 384 | *config |= TUNER_CHARGE_PUMP; |
1da177e4 | 385 | break; |
e976f937 KL |
386 | |
387 | case TUNER_PHILIPS_TUV1236D: | |
f13613ac | 388 | { |
ef88f2b5 | 389 | struct tuner_i2c_props i2c = priv->i2c_props; |
e976f937 KL |
390 | /* 0x40 -> ATSC antenna input 1 */ |
391 | /* 0x48 -> ATSC antenna input 2 */ | |
392 | /* 0x00 -> NTSC antenna input 1 */ | |
393 | /* 0x08 -> NTSC antenna input 2 */ | |
f13613ac | 394 | u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00}; |
c7a9f3aa | 395 | *cb &= ~0x40; |
4adad287 | 396 | if (params->std & V4L2_STD_ATSC) { |
c7a9f3aa | 397 | *cb |= 0x40; |
fde6d31e KL |
398 | buffer[1] = 0x04; |
399 | } | |
400 | /* set to the correct mode (analog or digital) */ | |
ef88f2b5 MCC |
401 | i2c.addr = 0x0a; |
402 | rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2); | |
9ba0a3c0 MK |
403 | if (2 != rc) |
404 | tuner_warn("i2c i/o error: rc == %d " | |
405 | "(should be 2)\n", rc); | |
ef88f2b5 | 406 | rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2); |
9ba0a3c0 MK |
407 | if (2 != rc) |
408 | tuner_warn("i2c i/o error: rc == %d " | |
409 | "(should be 2)\n", rc); | |
e976f937 | 410 | break; |
1da177e4 | 411 | } |
f13613ac | 412 | } |
65511611 MK |
413 | if (atv_input[priv->nr]) |
414 | simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); | |
1da177e4 | 415 | |
c7a9f3aa MK |
416 | return 0; |
417 | } | |
418 | ||
5ddc9b10 AW |
419 | static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux) |
420 | { | |
421 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
422 | int rc; | |
423 | u8 buffer[2]; | |
424 | ||
425 | buffer[0] = (config & ~0x38) | 0x18; | |
426 | buffer[1] = aux; | |
427 | ||
428 | tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]); | |
429 | ||
430 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); | |
431 | if (2 != rc) | |
432 | tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); | |
433 | ||
434 | return rc == 2 ? 0 : rc; | |
435 | } | |
436 | ||
c7a9f3aa MK |
437 | static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, |
438 | u16 div, u8 config, u8 cb) | |
439 | { | |
440 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
441 | int rc; | |
442 | ||
443 | switch (priv->type) { | |
444 | case TUNER_LG_TDVS_H06XF: | |
5ddc9b10 AW |
445 | simple_set_aux_byte(fe, config, 0x20); |
446 | break; | |
447 | case TUNER_PHILIPS_FQ1216LME_MK3: | |
448 | simple_set_aux_byte(fe, config, 0x60); /* External AGC */ | |
c7a9f3aa MK |
449 | break; |
450 | case TUNER_MICROTUNE_4042FI5: | |
451 | { | |
452 | /* FIXME - this may also work for other tuners */ | |
453 | unsigned long timeout = jiffies + msecs_to_jiffies(1); | |
454 | u8 status_byte = 0; | |
455 | ||
456 | /* Wait until the PLL locks */ | |
457 | for (;;) { | |
458 | if (time_after(jiffies, timeout)) | |
459 | return 0; | |
460 | rc = tuner_i2c_xfer_recv(&priv->i2c_props, | |
461 | &status_byte, 1); | |
462 | if (1 != rc) { | |
463 | tuner_warn("i2c i/o read error: rc == %d " | |
464 | "(should be 1)\n", rc); | |
465 | break; | |
466 | } | |
467 | if (status_byte & TUNER_PLL_LOCKED) | |
468 | break; | |
469 | udelay(10); | |
470 | } | |
471 | ||
472 | /* Set the charge pump for optimized phase noise figure */ | |
473 | config &= ~TUNER_CHARGE_PUMP; | |
474 | buffer[0] = (div>>8) & 0x7f; | |
475 | buffer[1] = div & 0xff; | |
476 | buffer[2] = config; | |
477 | buffer[3] = cb; | |
478 | tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", | |
479 | buffer[0], buffer[1], buffer[2], buffer[3]); | |
480 | ||
481 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); | |
482 | if (4 != rc) | |
483 | tuner_warn("i2c i/o error: rc == %d " | |
484 | "(should be 4)\n", rc); | |
485 | break; | |
486 | } | |
487 | } | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
492 | static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) | |
493 | { | |
494 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
495 | ||
496 | switch (priv->type) { | |
497 | case TUNER_TENA_9533_DI: | |
498 | case TUNER_YMEC_TVF_5533MF: | |
499 | tuner_dbg("This tuner doesn't have FM. " | |
500 | "Most cards have a TEA5767 for FM\n"); | |
501 | return 0; | |
502 | case TUNER_PHILIPS_FM1216ME_MK3: | |
503 | case TUNER_PHILIPS_FM1236_MK3: | |
504 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
953cafc0 | 505 | case TUNER_PHILIPS_FMD1216MEX_MK3: |
c7a9f3aa MK |
506 | case TUNER_LG_NTSC_TAPE: |
507 | case TUNER_PHILIPS_FM1256_IH3: | |
8f2b7b70 | 508 | case TUNER_TCL_MF02GIP_5N: |
c7a9f3aa MK |
509 | buffer[3] = 0x19; |
510 | break; | |
511 | case TUNER_TNF_5335MF: | |
512 | buffer[3] = 0x11; | |
513 | break; | |
514 | case TUNER_LG_PAL_FM: | |
515 | buffer[3] = 0xa5; | |
516 | break; | |
517 | case TUNER_THOMSON_DTT761X: | |
518 | buffer[3] = 0x39; | |
519 | break; | |
5ddc9b10 AW |
520 | case TUNER_PHILIPS_FQ1216LME_MK3: |
521 | tuner_err("This tuner doesn't have FM\n"); | |
522 | /* Set the low band for sanity, since it covers 88-108 MHz */ | |
523 | buffer[3] = 0x01; | |
524 | break; | |
c7a9f3aa MK |
525 | case TUNER_MICROTUNE_4049FM5: |
526 | default: | |
527 | buffer[3] = 0xa4; | |
528 | break; | |
529 | } | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
534 | /* ---------------------------------------------------------------------- */ | |
535 | ||
536 | static int simple_set_tv_freq(struct dvb_frontend *fe, | |
537 | struct analog_parameters *params) | |
538 | { | |
539 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
540 | u8 config, cb; | |
541 | u16 div; | |
542 | struct tunertype *tun; | |
543 | u8 buffer[4]; | |
544 | int rc, IFPCoff, i; | |
545 | enum param_type desired_type; | |
546 | struct tuner_params *t_params; | |
547 | ||
548 | tun = priv->tun; | |
549 | ||
550 | /* IFPCoff = Video Intermediate Frequency - Vif: | |
551 | 940 =16*58.75 NTSC/J (Japan) | |
552 | 732 =16*45.75 M/N STD | |
553 | 704 =16*44 ATSC (at DVB code) | |
554 | 632 =16*39.50 I U.K. | |
555 | 622.4=16*38.90 B/G D/K I, L STD | |
556 | 592 =16*37.00 D China | |
557 | 590 =16.36.875 B Australia | |
558 | 543.2=16*33.95 L' STD | |
559 | 171.2=16*10.70 FM Radio (at set_radio_freq) | |
560 | */ | |
561 | ||
562 | if (params->std == V4L2_STD_NTSC_M_JP) { | |
563 | IFPCoff = 940; | |
564 | desired_type = TUNER_PARAM_TYPE_NTSC; | |
565 | } else if ((params->std & V4L2_STD_MN) && | |
566 | !(params->std & ~V4L2_STD_MN)) { | |
567 | IFPCoff = 732; | |
568 | desired_type = TUNER_PARAM_TYPE_NTSC; | |
569 | } else if (params->std == V4L2_STD_SECAM_LC) { | |
570 | IFPCoff = 543; | |
571 | desired_type = TUNER_PARAM_TYPE_SECAM; | |
572 | } else { | |
573 | IFPCoff = 623; | |
574 | desired_type = TUNER_PARAM_TYPE_PAL; | |
575 | } | |
576 | ||
577 | t_params = simple_tuner_params(fe, desired_type); | |
578 | ||
579 | i = simple_config_lookup(fe, t_params, ¶ms->frequency, | |
580 | &config, &cb); | |
581 | ||
582 | div = params->frequency + IFPCoff + offset; | |
583 | ||
584 | tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, " | |
585 | "Offset=%d.%02d MHz, div=%0d\n", | |
586 | params->frequency / 16, params->frequency % 16 * 100 / 16, | |
587 | IFPCoff / 16, IFPCoff % 16 * 100 / 16, | |
588 | offset / 16, offset % 16 * 100 / 16, div); | |
589 | ||
590 | /* tv norm specific stuff for multi-norm tuners */ | |
f13613ac | 591 | simple_std_setup(fe, params, &config, &cb); |
c7a9f3aa | 592 | |
4adad287 | 593 | if (t_params->cb_first_if_lower_freq && div < priv->last_div) { |
3fc46d35 | 594 | buffer[0] = config; |
ab66b22f | 595 | buffer[1] = cb; |
1da177e4 LT |
596 | buffer[2] = (div>>8) & 0x7f; |
597 | buffer[3] = div & 0xff; | |
598 | } else { | |
599 | buffer[0] = (div>>8) & 0x7f; | |
600 | buffer[1] = div & 0xff; | |
3fc46d35 | 601 | buffer[2] = config; |
ab66b22f | 602 | buffer[3] = cb; |
1da177e4 | 603 | } |
6b1dde90 | 604 | priv->last_div = div; |
4adad287 | 605 | if (t_params->has_tda9887) { |
7f171123 | 606 | struct v4l2_priv_tun_config tda9887_cfg; |
c6eb8eaf | 607 | int tda_config = 0; |
9ba0a3c0 MK |
608 | int is_secam_l = (params->std & (V4L2_STD_SECAM_L | |
609 | V4L2_STD_SECAM_LC)) && | |
610 | !(params->std & ~(V4L2_STD_SECAM_L | | |
611 | V4L2_STD_SECAM_LC)); | |
ba8fc399 | 612 | |
7f171123 | 613 | tda9887_cfg.tuner = TUNER_TDA9887; |
c6eb8eaf | 614 | tda9887_cfg.priv = &tda_config; |
7f171123 | 615 | |
4adad287 MK |
616 | if (params->std == V4L2_STD_SECAM_LC) { |
617 | if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) | |
c6eb8eaf | 618 | tda_config |= TDA9887_PORT1_ACTIVE; |
4adad287 | 619 | if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) |
c6eb8eaf | 620 | tda_config |= TDA9887_PORT2_ACTIVE; |
9ba0a3c0 | 621 | } else { |
4adad287 | 622 | if (t_params->port1_active) |
c6eb8eaf | 623 | tda_config |= TDA9887_PORT1_ACTIVE; |
4adad287 | 624 | if (t_params->port2_active) |
c6eb8eaf | 625 | tda_config |= TDA9887_PORT2_ACTIVE; |
ba8fc399 | 626 | } |
4adad287 | 627 | if (t_params->intercarrier_mode) |
c6eb8eaf | 628 | tda_config |= TDA9887_INTERCARRIER; |
ba8fc399 | 629 | if (is_secam_l) { |
4adad287 | 630 | if (i == 0 && t_params->default_top_secam_low) |
c6eb8eaf | 631 | tda_config |= TDA9887_TOP(t_params->default_top_secam_low); |
4adad287 | 632 | else if (i == 1 && t_params->default_top_secam_mid) |
c6eb8eaf | 633 | tda_config |= TDA9887_TOP(t_params->default_top_secam_mid); |
4adad287 | 634 | else if (t_params->default_top_secam_high) |
c6eb8eaf | 635 | tda_config |= TDA9887_TOP(t_params->default_top_secam_high); |
9ba0a3c0 | 636 | } else { |
4adad287 | 637 | if (i == 0 && t_params->default_top_low) |
c6eb8eaf | 638 | tda_config |= TDA9887_TOP(t_params->default_top_low); |
4adad287 | 639 | else if (i == 1 && t_params->default_top_mid) |
c6eb8eaf | 640 | tda_config |= TDA9887_TOP(t_params->default_top_mid); |
4adad287 | 641 | else if (t_params->default_top_high) |
c6eb8eaf | 642 | tda_config |= TDA9887_TOP(t_params->default_top_high); |
ba8fc399 | 643 | } |
4adad287 | 644 | if (t_params->default_pll_gating_18) |
c6eb8eaf | 645 | tda_config |= TDA9887_GATING_18; |
7f171123 MCC |
646 | i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, |
647 | &tda9887_cfg); | |
ba8fc399 | 648 | } |
1da177e4 | 649 | tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", |
9ba0a3c0 | 650 | buffer[0], buffer[1], buffer[2], buffer[3]); |
1da177e4 | 651 | |
9ba0a3c0 MK |
652 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
653 | if (4 != rc) | |
654 | tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); | |
1da177e4 | 655 | |
c7a9f3aa | 656 | simple_post_tune(fe, &buffer[0], div, config, cb); |
1da177e4 | 657 | |
4adad287 | 658 | return 0; |
1da177e4 LT |
659 | } |
660 | ||
4adad287 MK |
661 | static int simple_set_radio_freq(struct dvb_frontend *fe, |
662 | struct analog_parameters *params) | |
1da177e4 LT |
663 | { |
664 | struct tunertype *tun; | |
4adad287 | 665 | struct tuner_simple_priv *priv = fe->tuner_priv; |
27487d44 HV |
666 | u8 buffer[4]; |
667 | u16 div; | |
7b0ac9cd | 668 | int rc, j; |
4adad287 MK |
669 | struct tuner_params *t_params; |
670 | unsigned int freq = params->frequency; | |
1da177e4 | 671 | |
4adad287 | 672 | tun = priv->tun; |
476d63d0 | 673 | |
5e082f15 TP |
674 | for (j = tun->count-1; j > 0; j--) |
675 | if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO) | |
676 | break; | |
4adad287 MK |
677 | /* default t_params (j=0) will be used if desired type wasn't found */ |
678 | t_params = &tun->params[j]; | |
5e082f15 TP |
679 | |
680 | /* Select Radio 1st IF used */ | |
4adad287 | 681 | switch (t_params->radio_if) { |
5e082f15 TP |
682 | case 0: /* 10.7 MHz */ |
683 | freq += (unsigned int)(10.7*16000); | |
476d63d0 | 684 | break; |
5e082f15 TP |
685 | case 1: /* 33.3 MHz */ |
686 | freq += (unsigned int)(33.3*16000); | |
687 | break; | |
688 | case 2: /* 41.3 MHz */ | |
689 | freq += (unsigned int)(41.3*16000); | |
690 | break; | |
691 | default: | |
9ba0a3c0 MK |
692 | tuner_warn("Unsupported radio_if value %d\n", |
693 | t_params->radio_if); | |
4adad287 | 694 | return 0; |
476d63d0 | 695 | } |
1da177e4 | 696 | |
5e082f15 | 697 | /* Bandswitch byte */ |
c7a9f3aa | 698 | simple_radio_bandswitch(fe, &buffer[0]); |
5e082f15 | 699 | |
4adad287 | 700 | buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | |
5e082f15 TP |
701 | TUNER_RATIO_SELECT_50; /* 50 kHz step */ |
702 | ||
703 | /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps | |
704 | freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) = | |
705 | freq * (1/800) */ | |
706 | div = (freq + 400) / 800; | |
707 | ||
4adad287 | 708 | if (t_params->cb_first_if_lower_freq && div < priv->last_div) { |
27487d44 HV |
709 | buffer[0] = buffer[2]; |
710 | buffer[1] = buffer[3]; | |
711 | buffer[2] = (div>>8) & 0x7f; | |
712 | buffer[3] = div & 0xff; | |
713 | } else { | |
714 | buffer[0] = (div>>8) & 0x7f; | |
715 | buffer[1] = div & 0xff; | |
716 | } | |
1da177e4 LT |
717 | |
718 | tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n", | |
9ba0a3c0 | 719 | buffer[0], buffer[1], buffer[2], buffer[3]); |
6b1dde90 | 720 | priv->last_div = div; |
1da177e4 | 721 | |
4adad287 | 722 | if (t_params->has_tda9887) { |
ba8fc399 | 723 | int config = 0; |
7f171123 MCC |
724 | struct v4l2_priv_tun_config tda9887_cfg; |
725 | ||
726 | tda9887_cfg.tuner = TUNER_TDA9887; | |
727 | tda9887_cfg.priv = &config; | |
728 | ||
9ba0a3c0 MK |
729 | if (t_params->port1_active && |
730 | !t_params->port1_fm_high_sensitivity) | |
ba8fc399 | 731 | config |= TDA9887_PORT1_ACTIVE; |
9ba0a3c0 MK |
732 | if (t_params->port2_active && |
733 | !t_params->port2_fm_high_sensitivity) | |
ba8fc399 | 734 | config |= TDA9887_PORT2_ACTIVE; |
4adad287 | 735 | if (t_params->intercarrier_mode) |
ba8fc399 | 736 | config |= TDA9887_INTERCARRIER; |
4adad287 | 737 | /* if (t_params->port1_set_for_fm_mono) |
ba8fc399 | 738 | config &= ~TDA9887_PORT1_ACTIVE;*/ |
4adad287 | 739 | if (t_params->fm_gain_normal) |
483deb0f | 740 | config |= TDA9887_GAIN_NORMAL; |
4adad287 | 741 | if (t_params->radio_if == 2) |
5e082f15 | 742 | config |= TDA9887_RIF_41_3; |
7f171123 | 743 | i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, |
9ba0a3c0 | 744 | &tda9887_cfg); |
ba8fc399 | 745 | } |
9ba0a3c0 MK |
746 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
747 | if (4 != rc) | |
748 | tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); | |
4adad287 MK |
749 | |
750 | return 0; | |
1da177e4 LT |
751 | } |
752 | ||
4adad287 MK |
753 | static int simple_set_params(struct dvb_frontend *fe, |
754 | struct analog_parameters *params) | |
6b1dde90 | 755 | { |
4adad287 MK |
756 | struct tuner_simple_priv *priv = fe->tuner_priv; |
757 | int ret = -EINVAL; | |
758 | ||
a81df363 MK |
759 | if (priv->i2c_props.adap == NULL) |
760 | return -EINVAL; | |
761 | ||
4adad287 MK |
762 | switch (params->mode) { |
763 | case V4L2_TUNER_RADIO: | |
764 | ret = simple_set_radio_freq(fe, params); | |
765 | priv->frequency = params->frequency * 125 / 2; | |
766 | break; | |
767 | case V4L2_TUNER_ANALOG_TV: | |
768 | case V4L2_TUNER_DIGITAL_TV: | |
769 | ret = simple_set_tv_freq(fe, params); | |
770 | priv->frequency = params->frequency * 62500; | |
771 | break; | |
772 | } | |
62325497 | 773 | priv->bandwidth = 0; |
4adad287 MK |
774 | |
775 | return ret; | |
776 | } | |
777 | ||
23a88108 MK |
778 | static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, |
779 | const struct dvb_frontend_parameters *params) | |
780 | { | |
781 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
782 | ||
783 | switch (priv->type) { | |
784 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
953cafc0 | 785 | case TUNER_PHILIPS_FMD1216MEX_MK3: |
23a88108 MK |
786 | if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && |
787 | params->frequency >= 158870000) | |
788 | buf[3] |= 0x08; | |
789 | break; | |
0e5d383b MK |
790 | case TUNER_PHILIPS_TD1316: |
791 | /* determine band */ | |
792 | buf[3] |= (params->frequency < 161000000) ? 1 : | |
793 | (params->frequency < 444000000) ? 2 : 4; | |
794 | ||
795 | /* setup PLL filter */ | |
796 | if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) | |
797 | buf[3] |= 1 << 3; | |
798 | break; | |
02f5f444 | 799 | case TUNER_PHILIPS_TUV1236D: |
ab8b870e | 800 | case TUNER_PHILIPS_FCV1236D: |
02f5f444 MK |
801 | { |
802 | unsigned int new_rf; | |
803 | ||
65511611 MK |
804 | if (dtv_input[priv->nr]) |
805 | new_rf = dtv_input[priv->nr]; | |
806 | else | |
807 | switch (params->u.vsb.modulation) { | |
808 | case QAM_64: | |
809 | case QAM_256: | |
810 | new_rf = 1; | |
811 | break; | |
812 | case VSB_8: | |
813 | default: | |
814 | new_rf = 0; | |
815 | break; | |
816 | } | |
02f5f444 MK |
817 | simple_set_rf_input(fe, &buf[2], &buf[3], new_rf); |
818 | break; | |
819 | } | |
23a88108 MK |
820 | default: |
821 | break; | |
822 | } | |
823 | } | |
824 | ||
a2a7f84b | 825 | static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, |
62325497 MK |
826 | const struct dvb_frontend_parameters *params) |
827 | { | |
a2a7f84b | 828 | /* This function returns the tuned frequency on success, 0 on error */ |
62325497 MK |
829 | struct tuner_simple_priv *priv = fe->tuner_priv; |
830 | struct tunertype *tun = priv->tun; | |
831 | static struct tuner_params *t_params; | |
832 | u8 config, cb; | |
833 | u32 div; | |
c6eb8eaf HV |
834 | int ret; |
835 | unsigned frequency = params->frequency / 62500; | |
62325497 | 836 | |
6b55009e MK |
837 | if (!tun->stepsize) { |
838 | /* tuner-core was loaded before the digital tuner was | |
839 | * configured and somehow picked the wrong tuner type */ | |
840 | tuner_err("attempt to treat tuner %d (%s) as digital tuner " | |
841 | "without stepsize defined.\n", | |
842 | priv->type, priv->tun->name); | |
843 | return 0; /* failure */ | |
844 | } | |
845 | ||
62325497 MK |
846 | t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL); |
847 | ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb); | |
848 | if (ret < 0) | |
a2a7f84b | 849 | return 0; /* failure */ |
62325497 MK |
850 | |
851 | div = ((frequency + t_params->iffreq) * 62500 + offset + | |
852 | tun->stepsize/2) / tun->stepsize; | |
853 | ||
854 | buf[0] = div >> 8; | |
855 | buf[1] = div & 0xff; | |
856 | buf[2] = config; | |
857 | buf[3] = cb; | |
858 | ||
23a88108 MK |
859 | simple_set_dvb(fe, buf, params); |
860 | ||
62325497 MK |
861 | tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", |
862 | tun->name, div, buf[0], buf[1], buf[2], buf[3]); | |
863 | ||
864 | /* calculate the frequency we set it to */ | |
865 | return (div * tun->stepsize) - t_params->iffreq; | |
866 | } | |
867 | ||
868 | static int simple_dvb_calc_regs(struct dvb_frontend *fe, | |
869 | struct dvb_frontend_parameters *params, | |
870 | u8 *buf, int buf_len) | |
871 | { | |
872 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
62325497 MK |
873 | u32 frequency; |
874 | ||
875 | if (buf_len < 5) | |
876 | return -EINVAL; | |
877 | ||
a2a7f84b MK |
878 | frequency = simple_dvb_configure(fe, buf+1, params); |
879 | if (frequency == 0) | |
880 | return -EINVAL; | |
62325497 MK |
881 | |
882 | buf[0] = priv->i2c_props.addr; | |
883 | ||
884 | priv->frequency = frequency; | |
885 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? | |
886 | params->u.ofdm.bandwidth : 0; | |
887 | ||
888 | return 5; | |
889 | } | |
890 | ||
891 | static int simple_dvb_set_params(struct dvb_frontend *fe, | |
892 | struct dvb_frontend_parameters *params) | |
893 | { | |
894 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
895 | u32 prev_freq, prev_bw; | |
896 | int ret; | |
897 | u8 buf[5]; | |
898 | ||
899 | if (priv->i2c_props.adap == NULL) | |
900 | return -EINVAL; | |
901 | ||
902 | prev_freq = priv->frequency; | |
903 | prev_bw = priv->bandwidth; | |
904 | ||
905 | ret = simple_dvb_calc_regs(fe, params, buf, 5); | |
906 | if (ret != 5) | |
907 | goto fail; | |
908 | ||
909 | /* put analog demod in standby when tuning digital */ | |
910 | if (fe->ops.analog_ops.standby) | |
911 | fe->ops.analog_ops.standby(fe); | |
912 | ||
913 | if (fe->ops.i2c_gate_ctrl) | |
914 | fe->ops.i2c_gate_ctrl(fe, 1); | |
915 | ||
916 | /* buf[0] contains the i2c address, but * | |
917 | * we already have it in i2c_props.addr */ | |
918 | ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4); | |
919 | if (ret != 4) | |
920 | goto fail; | |
921 | ||
922 | return 0; | |
923 | fail: | |
924 | /* calc_regs sets frequency and bandwidth. if we failed, unset them */ | |
925 | priv->frequency = prev_freq; | |
926 | priv->bandwidth = prev_bw; | |
927 | ||
928 | return ret; | |
929 | } | |
4adad287 | 930 | |
6f4a5729 MK |
931 | static int simple_init(struct dvb_frontend *fe) |
932 | { | |
933 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
934 | ||
935 | if (priv->i2c_props.adap == NULL) | |
936 | return -EINVAL; | |
937 | ||
938 | if (priv->tun->initdata) { | |
939 | int ret; | |
940 | ||
941 | if (fe->ops.i2c_gate_ctrl) | |
942 | fe->ops.i2c_gate_ctrl(fe, 1); | |
943 | ||
944 | ret = tuner_i2c_xfer_send(&priv->i2c_props, | |
945 | priv->tun->initdata + 1, | |
946 | priv->tun->initdata[0]); | |
947 | if (ret != priv->tun->initdata[0]) | |
948 | return ret; | |
949 | } | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
954 | static int simple_sleep(struct dvb_frontend *fe) | |
955 | { | |
956 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
957 | ||
958 | if (priv->i2c_props.adap == NULL) | |
959 | return -EINVAL; | |
960 | ||
961 | if (priv->tun->sleepdata) { | |
962 | int ret; | |
963 | ||
964 | if (fe->ops.i2c_gate_ctrl) | |
965 | fe->ops.i2c_gate_ctrl(fe, 1); | |
966 | ||
967 | ret = tuner_i2c_xfer_send(&priv->i2c_props, | |
968 | priv->tun->sleepdata + 1, | |
969 | priv->tun->sleepdata[0]); | |
970 | if (ret != priv->tun->sleepdata[0]) | |
971 | return ret; | |
972 | } | |
973 | ||
974 | return 0; | |
975 | } | |
976 | ||
4adad287 MK |
977 | static int simple_release(struct dvb_frontend *fe) |
978 | { | |
62325497 MK |
979 | struct tuner_simple_priv *priv = fe->tuner_priv; |
980 | ||
981 | mutex_lock(&tuner_simple_list_mutex); | |
982 | ||
983 | if (priv) | |
984 | hybrid_tuner_release_state(priv); | |
985 | ||
986 | mutex_unlock(&tuner_simple_list_mutex); | |
987 | ||
4adad287 MK |
988 | fe->tuner_priv = NULL; |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
993 | static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
994 | { | |
995 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
996 | *frequency = priv->frequency; | |
997 | return 0; | |
6b1dde90 MK |
998 | } |
999 | ||
62325497 MK |
1000 | static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) |
1001 | { | |
1002 | struct tuner_simple_priv *priv = fe->tuner_priv; | |
1003 | *bandwidth = priv->bandwidth; | |
1004 | return 0; | |
1005 | } | |
1006 | ||
4adad287 | 1007 | static struct dvb_tuner_ops simple_tuner_ops = { |
6f4a5729 MK |
1008 | .init = simple_init, |
1009 | .sleep = simple_sleep, | |
4adad287 | 1010 | .set_analog_params = simple_set_params, |
62325497 MK |
1011 | .set_params = simple_dvb_set_params, |
1012 | .calc_regs = simple_dvb_calc_regs, | |
735f0b9a MK |
1013 | .release = simple_release, |
1014 | .get_frequency = simple_get_frequency, | |
62325497 | 1015 | .get_bandwidth = simple_get_bandwidth, |
735f0b9a MK |
1016 | .get_status = simple_get_status, |
1017 | .get_rf_strength = simple_get_rf_strength, | |
5d807c9f MK |
1018 | }; |
1019 | ||
4adad287 MK |
1020 | struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, |
1021 | struct i2c_adapter *i2c_adap, | |
1022 | u8 i2c_addr, | |
060a5bd7 | 1023 | unsigned int type) |
1da177e4 | 1024 | { |
6b1dde90 | 1025 | struct tuner_simple_priv *priv = NULL; |
62325497 | 1026 | int instance; |
6b1dde90 | 1027 | |
65e8d29f MK |
1028 | if (type >= tuner_count) { |
1029 | printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n", | |
7e28adb2 | 1030 | __func__, type, tuner_count-1); |
65e8d29f MK |
1031 | return NULL; |
1032 | } | |
1033 | ||
e827931e MK |
1034 | /* If i2c_adap is set, check that the tuner is at the correct address. |
1035 | * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly | |
1036 | * by the digital demod via calc_regs. | |
1037 | */ | |
1038 | if (i2c_adap != NULL) { | |
1039 | u8 b[1]; | |
1040 | struct i2c_msg msg = { | |
1041 | .addr = i2c_addr, .flags = I2C_M_RD, | |
1042 | .buf = b, .len = 1, | |
1043 | }; | |
1044 | ||
1045 | if (fe->ops.i2c_gate_ctrl) | |
1046 | fe->ops.i2c_gate_ctrl(fe, 1); | |
1047 | ||
1048 | if (1 != i2c_transfer(i2c_adap, &msg, 1)) | |
3b4a9714 AW |
1049 | printk(KERN_WARNING "tuner-simple %d-%04x: " |
1050 | "unable to probe %s, proceeding anyway.", | |
1051 | i2c_adapter_id(i2c_adap), i2c_addr, | |
1052 | tuners[type].name); | |
e827931e MK |
1053 | |
1054 | if (fe->ops.i2c_gate_ctrl) | |
1055 | fe->ops.i2c_gate_ctrl(fe, 0); | |
1056 | } | |
1057 | ||
62325497 MK |
1058 | mutex_lock(&tuner_simple_list_mutex); |
1059 | ||
1060 | instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv, | |
1061 | hybrid_tuner_instance_list, | |
1062 | i2c_adap, i2c_addr, | |
1063 | "tuner-simple"); | |
1064 | switch (instance) { | |
1065 | case 0: | |
1066 | mutex_unlock(&tuner_simple_list_mutex); | |
4adad287 | 1067 | return NULL; |
62325497 MK |
1068 | case 1: |
1069 | fe->tuner_priv = priv; | |
1da177e4 | 1070 | |
62325497 MK |
1071 | priv->type = type; |
1072 | priv->tun = &tuners[type]; | |
65511611 | 1073 | priv->nr = simple_devcount++; |
62325497 MK |
1074 | break; |
1075 | default: | |
1076 | fe->tuner_priv = priv; | |
1077 | break; | |
1078 | } | |
2756665c | 1079 | |
62325497 | 1080 | mutex_unlock(&tuner_simple_list_mutex); |
db8a6956 | 1081 | |
9ba0a3c0 MK |
1082 | memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, |
1083 | sizeof(struct dvb_tuner_ops)); | |
1da177e4 | 1084 | |
0b82c5d6 MCC |
1085 | if (type != priv->type) |
1086 | tuner_warn("couldn't set type to %d. Using %d (%s) instead\n", | |
1087 | type, priv->type, priv->tun->name); | |
1088 | else | |
1089 | tuner_info("type set to %d (%s)\n", | |
1090 | priv->type, priv->tun->name); | |
586b0cab | 1091 | |
65511611 MK |
1092 | if ((debug) || ((atv_input[priv->nr] > 0) || |
1093 | (dtv_input[priv->nr] > 0))) { | |
1094 | if (0 == atv_input[priv->nr]) | |
1095 | tuner_info("tuner %d atv rf input will be " | |
1096 | "autoselected\n", priv->nr); | |
1097 | else | |
1098 | tuner_info("tuner %d atv rf input will be " | |
1099 | "set to input %d (insmod option)\n", | |
1100 | priv->nr, atv_input[priv->nr]); | |
1101 | if (0 == dtv_input[priv->nr]) | |
1102 | tuner_info("tuner %d dtv rf input will be " | |
1103 | "autoselected\n", priv->nr); | |
1104 | else | |
1105 | tuner_info("tuner %d dtv rf input will be " | |
1106 | "set to input %d (insmod option)\n", | |
1107 | priv->nr, dtv_input[priv->nr]); | |
1108 | } | |
1109 | ||
060a5bd7 | 1110 | strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name, |
9ba0a3c0 | 1111 | sizeof(fe->ops.tuner_ops.info.name)); |
4adad287 MK |
1112 | |
1113 | return fe; | |
1da177e4 | 1114 | } |
4adad287 MK |
1115 | EXPORT_SYMBOL_GPL(simple_tuner_attach); |
1116 | ||
1117 | MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver"); | |
1118 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
1119 | MODULE_LICENSE("GPL"); | |
1120 | ||
1da177e4 LT |
1121 | /* |
1122 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1123 | * --------------------------------------------------------------------------- | |
1124 | * Local variables: | |
1125 | * c-basic-offset: 8 | |
1126 | * End: | |
1127 | */ |