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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * descriptions + helper functions for simple dvb plls. |
3 | * | |
4 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
21 | #include <linux/module.h> | |
22 | #include <linux/dvb/frontend.h> | |
23 | #include <asm/types.h> | |
24 | ||
25 | #include "dvb-pll.h" | |
26 | ||
27 | /* ----------------------------------------------------------- */ | |
28 | /* descriptions */ | |
29 | ||
30 | struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { | |
31 | .name = "Thomson dtt7579", | |
32 | .min = 177000000, | |
33 | .max = 858000000, | |
34 | .count = 5, | |
35 | .entries = { | |
36 | { 0, 36166667, 166666, 0xb4, 0x03 }, /* go sleep */ | |
37 | { 443250000, 36166667, 166666, 0xb4, 0x02 }, | |
38 | { 542000000, 36166667, 166666, 0xb4, 0x08 }, | |
39 | { 771000000, 36166667, 166666, 0xbc, 0x08 }, | |
40 | { 999999999, 36166667, 166666, 0xf4, 0x08 }, | |
41 | }, | |
42 | }; | |
43 | EXPORT_SYMBOL(dvb_pll_thomson_dtt7579); | |
44 | ||
45 | struct dvb_pll_desc dvb_pll_thomson_dtt7610 = { | |
46 | .name = "Thomson dtt7610", | |
47 | .min = 44000000, | |
48 | .max = 958000000, | |
49 | .count = 3, | |
50 | .entries = { | |
51 | { 157250000, 44000000, 62500, 0x8e, 0x39 }, | |
52 | { 454000000, 44000000, 62500, 0x8e, 0x3a }, | |
53 | { 999999999, 44000000, 62500, 0x8e, 0x3c }, | |
54 | }, | |
55 | }; | |
56 | EXPORT_SYMBOL(dvb_pll_thomson_dtt7610); | |
57 | ||
49dc82fd | 58 | static void thomson_dtt759x_bw(u8 *buf, u32 freq, int bandwidth) |
1da177e4 LT |
59 | { |
60 | if (BANDWIDTH_7_MHZ == bandwidth) | |
61 | buf[3] |= 0x10; | |
62 | } | |
63 | ||
64 | struct dvb_pll_desc dvb_pll_thomson_dtt759x = { | |
65 | .name = "Thomson dtt759x", | |
66 | .min = 177000000, | |
67 | .max = 896000000, | |
68 | .setbw = thomson_dtt759x_bw, | |
69 | .count = 6, | |
70 | .entries = { | |
71 | { 0, 36166667, 166666, 0x84, 0x03 }, | |
72 | { 264000000, 36166667, 166666, 0xb4, 0x02 }, | |
73 | { 470000000, 36166667, 166666, 0xbc, 0x02 }, | |
74 | { 735000000, 36166667, 166666, 0xbc, 0x08 }, | |
75 | { 835000000, 36166667, 166666, 0xf4, 0x08 }, | |
76 | { 999999999, 36166667, 166666, 0xfc, 0x08 }, | |
77 | }, | |
78 | }; | |
79 | EXPORT_SYMBOL(dvb_pll_thomson_dtt759x); | |
80 | ||
81 | struct dvb_pll_desc dvb_pll_lg_z201 = { | |
82 | .name = "LG z201", | |
83 | .min = 174000000, | |
84 | .max = 862000000, | |
9e00e486 | 85 | .count = 6, |
1da177e4 LT |
86 | .entries = { |
87 | { 0, 36166667, 166666, 0xbc, 0x03 }, | |
9e00e486 GF |
88 | { 157500000, 36166667, 166666, 0xbc, 0x01 }, |
89 | { 443250000, 36166667, 166666, 0xbc, 0x02 }, | |
90 | { 542000000, 36166667, 166666, 0xbc, 0x04 }, | |
91 | { 830000000, 36166667, 166666, 0xf4, 0x04 }, | |
92 | { 999999999, 36166667, 166666, 0xfc, 0x04 }, | |
1da177e4 LT |
93 | }, |
94 | }; | |
95 | EXPORT_SYMBOL(dvb_pll_lg_z201); | |
96 | ||
d8667cbb MM |
97 | struct dvb_pll_desc dvb_pll_microtune_4042 = { |
98 | .name = "Microtune 4042 FI5", | |
99 | .min = 57000000, | |
100 | .max = 858000000, | |
101 | .count = 3, | |
102 | .entries = { | |
103 | { 162000000, 44000000, 62500, 0x8e, 0xa1 }, | |
104 | { 457000000, 44000000, 62500, 0x8e, 0x91 }, | |
105 | { 999999999, 44000000, 62500, 0x8e, 0x31 }, | |
106 | }, | |
107 | }; | |
108 | EXPORT_SYMBOL(dvb_pll_microtune_4042); | |
109 | ||
83ac8722 MK |
110 | struct dvb_pll_desc dvb_pll_thomson_dtt761x = { |
111 | /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */ | |
112 | .name = "Thomson dtt761x", | |
113 | .min = 57000000, | |
114 | .max = 863000000, | |
0d723c09 MK |
115 | .count = 3, |
116 | .entries = { | |
83ac8722 MK |
117 | { 147000000, 44000000, 62500, 0x8e, 0x39 }, |
118 | { 417000000, 44000000, 62500, 0x8e, 0x3a }, | |
0d723c09 MK |
119 | { 999999999, 44000000, 62500, 0x8e, 0x3c }, |
120 | }, | |
121 | }; | |
83ac8722 | 122 | EXPORT_SYMBOL(dvb_pll_thomson_dtt761x); |
0d723c09 | 123 | |
1da177e4 LT |
124 | struct dvb_pll_desc dvb_pll_unknown_1 = { |
125 | .name = "unknown 1", /* used by dntv live dvb-t */ | |
126 | .min = 174000000, | |
127 | .max = 862000000, | |
128 | .count = 9, | |
129 | .entries = { | |
130 | { 150000000, 36166667, 166666, 0xb4, 0x01 }, | |
131 | { 173000000, 36166667, 166666, 0xbc, 0x01 }, | |
132 | { 250000000, 36166667, 166666, 0xb4, 0x02 }, | |
133 | { 400000000, 36166667, 166666, 0xbc, 0x02 }, | |
134 | { 420000000, 36166667, 166666, 0xf4, 0x02 }, | |
135 | { 470000000, 36166667, 166666, 0xfc, 0x02 }, | |
136 | { 600000000, 36166667, 166666, 0xbc, 0x08 }, | |
137 | { 730000000, 36166667, 166666, 0xf4, 0x08 }, | |
138 | { 999999999, 36166667, 166666, 0xfc, 0x08 }, | |
139 | }, | |
140 | }; | |
141 | EXPORT_SYMBOL(dvb_pll_unknown_1); | |
142 | ||
776338e1 JS |
143 | /* Infineon TUA6010XS |
144 | * used in Thomson Cable Tuner | |
145 | */ | |
146 | struct dvb_pll_desc dvb_pll_tua6010xs = { | |
147 | .name = "Infineon TUA6010XS", | |
148 | .min = 44250000, | |
149 | .max = 858000000, | |
150 | .count = 3, | |
151 | .entries = { | |
152 | { 115750000, 36125000, 62500, 0x8e, 0x03 }, | |
153 | { 403250000, 36125000, 62500, 0x8e, 0x06 }, | |
154 | { 999999999, 36125000, 62500, 0x8e, 0x85 }, | |
155 | }, | |
156 | }; | |
157 | EXPORT_SYMBOL(dvb_pll_tua6010xs); | |
158 | ||
159 | /* Panasonic env57h1xd5 (some Philips PLL ?) */ | |
160 | struct dvb_pll_desc dvb_pll_env57h1xd5 = { | |
161 | .name = "Panasonic ENV57H1XD5", | |
162 | .min = 44250000, | |
163 | .max = 858000000, | |
164 | .count = 4, | |
165 | .entries = { | |
166 | { 153000000, 36291666, 166666, 0xc2, 0x41 }, | |
167 | { 470000000, 36291666, 166666, 0xc2, 0x42 }, | |
168 | { 526000000, 36291666, 166666, 0xc2, 0x84 }, | |
169 | { 999999999, 36291666, 166666, 0xc2, 0xa4 }, | |
170 | }, | |
171 | }; | |
172 | EXPORT_SYMBOL(dvb_pll_env57h1xd5); | |
173 | ||
174 | /* Philips TDA6650/TDA6651 | |
175 | * used in Panasonic ENV77H11D5 | |
176 | */ | |
49dc82fd | 177 | static void tda665x_bw(u8 *buf, u32 freq, int bandwidth) |
776338e1 JS |
178 | { |
179 | if (bandwidth == BANDWIDTH_8_MHZ) | |
180 | buf[3] |= 0x08; | |
181 | } | |
182 | ||
183 | struct dvb_pll_desc dvb_pll_tda665x = { | |
184 | .name = "Philips TDA6650/TDA6651", | |
185 | .min = 44250000, | |
186 | .max = 858000000, | |
187 | .setbw = tda665x_bw, | |
188 | .count = 12, | |
189 | .entries = { | |
190 | { 93834000, 36249333, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, | |
191 | { 123834000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, | |
192 | { 161000000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, | |
193 | { 163834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, | |
194 | { 253834000, 36249333, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, | |
195 | { 383834000, 36249333, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, | |
196 | { 443834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, | |
93e2b1ae AQ |
197 | { 444000000, 36249333, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, |
198 | { 583834000, 36249333, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, | |
199 | { 793834000, 36249333, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, | |
200 | { 444834000, 36249333, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, | |
201 | { 861000000, 36249333, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, | |
776338e1 JS |
202 | } |
203 | }; | |
204 | EXPORT_SYMBOL(dvb_pll_tda665x); | |
205 | ||
206 | /* Infineon TUA6034 | |
207 | * used in LG TDTP E102P | |
208 | */ | |
49dc82fd | 209 | static void tua6034_bw(u8 *buf, u32 freq, int bandwidth) |
776338e1 JS |
210 | { |
211 | if (BANDWIDTH_7_MHZ != bandwidth) | |
212 | buf[3] |= 0x08; | |
213 | } | |
214 | ||
215 | struct dvb_pll_desc dvb_pll_tua6034 = { | |
216 | .name = "Infineon TUA6034", | |
217 | .min = 44250000, | |
218 | .max = 858000000, | |
219 | .count = 3, | |
220 | .setbw = tua6034_bw, | |
221 | .entries = { | |
222 | { 174500000, 36166667, 62500, 0xce, 0x01 }, | |
223 | { 230000000, 36166667, 62500, 0xce, 0x02 }, | |
224 | { 999999999, 36166667, 62500, 0xce, 0x04 }, | |
225 | }, | |
226 | }; | |
227 | EXPORT_SYMBOL(dvb_pll_tua6034); | |
228 | ||
1963c907 | 229 | /* Infineon TUA6034 |
d9e12f25 | 230 | * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F |
1963c907 | 231 | */ |
30fa61a5 | 232 | struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = { |
d9e12f25 | 233 | .name = "LG TDVS-H06xF", |
1963c907 MK |
234 | .min = 54000000, |
235 | .max = 863000000, | |
236 | .count = 3, | |
237 | .entries = { | |
dd31d5ac RS |
238 | { 165000000, 44000000, 62500, 0xce, 0x01 }, |
239 | { 450000000, 44000000, 62500, 0xce, 0x02 }, | |
1963c907 MK |
240 | { 999999999, 44000000, 62500, 0xce, 0x04 }, |
241 | }, | |
242 | }; | |
30fa61a5 | 243 | EXPORT_SYMBOL(dvb_pll_lg_tdvs_h06xf); |
1963c907 | 244 | |
49dc82fd PB |
245 | /* Philips FMD1216ME |
246 | * used in Medion Hybrid PCMCIA card and USB Box | |
247 | */ | |
248 | static void fmd1216me_bw(u8 *buf, u32 freq, int bandwidth) | |
249 | { | |
250 | if (bandwidth == BANDWIDTH_8_MHZ && freq >= 158870000) | |
251 | buf[3] |= 0x08; | |
252 | } | |
253 | ||
254 | struct dvb_pll_desc dvb_pll_fmd1216me = { | |
0589b8e4 | 255 | .name = "Philips FMD1216ME", |
49dc82fd PB |
256 | .min = 50870000, |
257 | .max = 858000000, | |
258 | .setbw = fmd1216me_bw, | |
259 | .count = 7, | |
260 | .entries = { | |
261 | { 143870000, 36213333, 166667, 0xbc, 0x41 }, | |
262 | { 158870000, 36213333, 166667, 0xf4, 0x41 }, | |
263 | { 329870000, 36213333, 166667, 0xbc, 0x42 }, | |
264 | { 441870000, 36213333, 166667, 0xf4, 0x42 }, | |
265 | { 625870000, 36213333, 166667, 0xbc, 0x44 }, | |
266 | { 803870000, 36213333, 166667, 0xf4, 0x44 }, | |
267 | { 999999999, 36213333, 166667, 0xfc, 0x44 }, | |
268 | } | |
269 | }; | |
270 | EXPORT_SYMBOL(dvb_pll_fmd1216me); | |
271 | ||
0589b8e4 PB |
272 | /* ALPS TDED4 |
273 | * used in Nebula-Cards and USB boxes | |
274 | */ | |
275 | static void tded4_bw(u8 *buf, u32 freq, int bandwidth) | |
276 | { | |
277 | if (bandwidth == BANDWIDTH_8_MHZ) | |
278 | buf[3] |= 0x04; | |
279 | } | |
280 | ||
281 | struct dvb_pll_desc dvb_pll_tded4 = { | |
282 | .name = "ALPS TDED4", | |
283 | .min = 47000000, | |
284 | .max = 863000000, | |
285 | .setbw = tded4_bw, | |
286 | .count = 4, | |
287 | .entries = { | |
288 | { 153000000, 36166667, 166667, 0x85, 0x01 }, | |
289 | { 470000000, 36166667, 166667, 0x85, 0x02 }, | |
290 | { 823000000, 36166667, 166667, 0x85, 0x08 }, | |
291 | { 999999999, 36166667, 166667, 0x85, 0x88 }, | |
292 | } | |
293 | }; | |
294 | EXPORT_SYMBOL(dvb_pll_tded4); | |
295 | ||
147418c9 KL |
296 | /* ALPS TDHU2 |
297 | * used in AverTVHD MCE A180 | |
298 | */ | |
299 | struct dvb_pll_desc dvb_pll_tdhu2 = { | |
300 | .name = "ALPS TDHU2", | |
301 | .min = 54000000, | |
302 | .max = 864000000, | |
303 | .count = 4, | |
304 | .entries = { | |
305 | { 162000000, 44000000, 62500, 0x85, 0x01 }, | |
306 | { 426000000, 44000000, 62500, 0x85, 0x02 }, | |
307 | { 782000000, 44000000, 62500, 0x85, 0x08 }, | |
308 | { 999999999, 44000000, 62500, 0x85, 0x88 }, | |
309 | } | |
310 | }; | |
311 | EXPORT_SYMBOL(dvb_pll_tdhu2); | |
312 | ||
313 | /* Philips TUV1236D | |
314 | * used in ATI HDTV Wonder | |
315 | */ | |
316 | struct dvb_pll_desc dvb_pll_tuv1236d = { | |
317 | .name = "Philips TUV1236D", | |
04a45929 | 318 | .min = 54000000, |
147418c9 KL |
319 | .max = 864000000, |
320 | .count = 3, | |
321 | .entries = { | |
322 | { 157250000, 44000000, 62500, 0xc6, 0x41 }, | |
323 | { 454000000, 44000000, 62500, 0xc6, 0x42 }, | |
324 | { 999999999, 44000000, 62500, 0xc6, 0x44 }, | |
325 | }, | |
326 | }; | |
327 | EXPORT_SYMBOL(dvb_pll_tuv1236d); | |
328 | ||
d76a6179 | 329 | /* Samsung TBMV30111IN / TBMV30712IN1 |
147418c9 KL |
330 | * used in Air2PC ATSC - 2nd generation (nxt2002) |
331 | */ | |
28f3d4b3 MK |
332 | struct dvb_pll_desc dvb_pll_samsung_tbmv = { |
333 | .name = "Samsung TBMV30111IN / TBMV30712IN1", | |
147418c9 KL |
334 | .min = 54000000, |
335 | .max = 860000000, | |
17c37efb | 336 | .count = 6, |
147418c9 KL |
337 | .entries = { |
338 | { 172000000, 44000000, 166666, 0xb4, 0x01 }, | |
339 | { 214000000, 44000000, 166666, 0xb4, 0x02 }, | |
340 | { 467000000, 44000000, 166666, 0xbc, 0x02 }, | |
341 | { 721000000, 44000000, 166666, 0xbc, 0x08 }, | |
342 | { 841000000, 44000000, 166666, 0xf4, 0x08 }, | |
343 | { 999999999, 44000000, 166666, 0xfc, 0x02 }, | |
344 | } | |
345 | }; | |
28f3d4b3 | 346 | EXPORT_SYMBOL(dvb_pll_samsung_tbmv); |
147418c9 | 347 | |
f8bf134d RP |
348 | /* |
349 | * Philips SD1878 Tuner. | |
350 | */ | |
351 | struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { | |
352 | .name = "Philips SD1878", | |
353 | .min = 950000, | |
354 | .max = 2150000, | |
355 | .count = 4, | |
356 | .entries = { | |
357 | { 1250000, 499, 500, 0xc4, 0x00}, | |
358 | { 1550000, 499, 500, 0xc4, 0x40}, | |
359 | { 2050000, 499, 500, 0xc4, 0x80}, | |
360 | { 2150000, 499, 500, 0xc4, 0xc0}, | |
361 | }, | |
362 | }; | |
363 | EXPORT_SYMBOL(dvb_pll_philips_sd1878_tda8261); | |
364 | ||
a78d0bfa JAR |
365 | /* |
366 | * Philips TD1316 Tuner. | |
367 | */ | |
368 | static void td1316_bw(u8 *buf, u32 freq, int bandwidth) | |
369 | { | |
370 | u8 band; | |
371 | ||
372 | /* determine band */ | |
373 | if (freq < 161000000) | |
374 | band = 1; | |
375 | else if (freq < 444000000) | |
376 | band = 2; | |
377 | else | |
378 | band = 4; | |
379 | ||
380 | buf[3] |= band; | |
381 | ||
382 | /* setup PLL filter */ | |
383 | if (bandwidth == BANDWIDTH_8_MHZ) | |
384 | buf[3] |= 1 << 3; | |
385 | } | |
386 | ||
387 | struct dvb_pll_desc dvb_pll_philips_td1316 = { | |
388 | .name = "Philips TD1316", | |
389 | .min = 87000000, | |
390 | .max = 895000000, | |
391 | .setbw = td1316_bw, | |
392 | .count = 9, | |
393 | .entries = { | |
394 | { 93834000, 36166000, 166666, 0xca, 0x60}, | |
395 | { 123834000, 36166000, 166666, 0xca, 0xa0}, | |
396 | { 163834000, 36166000, 166666, 0xca, 0xc0}, | |
397 | { 253834000, 36166000, 166666, 0xca, 0x60}, | |
398 | { 383834000, 36166000, 166666, 0xca, 0xa0}, | |
399 | { 443834000, 36166000, 166666, 0xca, 0xc0}, | |
400 | { 583834000, 36166000, 166666, 0xca, 0x60}, | |
401 | { 793834000, 36166000, 166666, 0xca, 0xa0}, | |
402 | { 858834000, 36166000, 166666, 0xca, 0xe0}, | |
403 | }, | |
404 | }; | |
405 | EXPORT_SYMBOL(dvb_pll_philips_td1316); | |
406 | ||
780dfef3 | 407 | /* FE6600 used on DViCO Hybrid */ |
91ae3299 MK |
408 | struct dvb_pll_desc dvb_pll_thomson_fe6600 = { |
409 | .name = "Thomson FE6600", | |
780dfef3 CP |
410 | .min = 44250000, |
411 | .max = 858000000, | |
412 | .count = 4, | |
413 | .entries = { | |
414 | { 250000000, 36213333, 166667, 0xb4, 0x12 }, | |
415 | { 455000000, 36213333, 166667, 0xfe, 0x11 }, | |
416 | { 775500000, 36213333, 166667, 0xbc, 0x18 }, | |
417 | { 999999999, 36213333, 166667, 0xf4, 0x18 }, | |
418 | } | |
419 | }; | |
91ae3299 | 420 | EXPORT_SYMBOL(dvb_pll_thomson_fe6600); |
780dfef3 | 421 | |
272bc4db AQ |
422 | struct dvb_pll_priv { |
423 | /* i2c details */ | |
424 | int pll_i2c_address; | |
425 | struct i2c_adapter *i2c; | |
426 | ||
427 | /* the PLL descriptor */ | |
428 | struct dvb_pll_desc *pll_desc; | |
429 | ||
430 | /* cached frequency/bandwidth */ | |
431 | u32 frequency; | |
432 | u32 bandwidth; | |
433 | }; | |
434 | ||
1da177e4 LT |
435 | /* ----------------------------------------------------------- */ |
436 | /* code */ | |
437 | ||
438 | static int debug = 0; | |
439 | module_param(debug, int, 0644); | |
440 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
441 | ||
442 | int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, | |
443 | u32 freq, int bandwidth) | |
444 | { | |
445 | u32 div; | |
446 | int i; | |
447 | ||
448 | if (freq != 0 && (freq < desc->min || freq > desc->max)) | |
449 | return -EINVAL; | |
450 | ||
451 | for (i = 0; i < desc->count; i++) { | |
452 | if (freq > desc->entries[i].limit) | |
453 | continue; | |
454 | break; | |
455 | } | |
456 | if (debug) | |
457 | printk("pll: %s: freq=%d bw=%d | i=%d/%d\n", | |
458 | desc->name, freq, bandwidth, i, desc->count); | |
272bc4db AQ |
459 | if (i == desc->count) |
460 | return -EINVAL; | |
1da177e4 LT |
461 | |
462 | div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize; | |
463 | buf[0] = div >> 8; | |
464 | buf[1] = div & 0xff; | |
ab66b22f MK |
465 | buf[2] = desc->entries[i].config; |
466 | buf[3] = desc->entries[i].cb; | |
1da177e4 LT |
467 | |
468 | if (desc->setbw) | |
49dc82fd | 469 | desc->setbw(buf, freq, bandwidth); |
1da177e4 LT |
470 | |
471 | if (debug) | |
472 | printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", | |
473 | desc->name, div, buf[0], buf[1], buf[2], buf[3]); | |
474 | ||
475 | return 0; | |
476 | } | |
477 | EXPORT_SYMBOL(dvb_pll_configure); | |
478 | ||
272bc4db AQ |
479 | static int dvb_pll_release(struct dvb_frontend *fe) |
480 | { | |
481 | if (fe->tuner_priv) | |
482 | kfree(fe->tuner_priv); | |
483 | fe->tuner_priv = NULL; | |
484 | return 0; | |
485 | } | |
486 | ||
487 | static int dvb_pll_sleep(struct dvb_frontend *fe) | |
488 | { | |
489 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
490 | u8 buf[4]; | |
491 | struct i2c_msg msg = | |
492 | { .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = sizeof(buf) }; | |
493 | int i; | |
494 | int result; | |
495 | ||
c162dff6 CP |
496 | if (priv->i2c == NULL) |
497 | return -EINVAL; | |
498 | ||
272bc4db AQ |
499 | for (i = 0; i < priv->pll_desc->count; i++) { |
500 | if (priv->pll_desc->entries[i].limit == 0) | |
501 | break; | |
502 | } | |
503 | if (i == priv->pll_desc->count) | |
504 | return 0; | |
505 | ||
506 | buf[0] = 0; | |
507 | buf[1] = 0; | |
508 | buf[2] = priv->pll_desc->entries[i].config; | |
509 | buf[3] = priv->pll_desc->entries[i].cb; | |
510 | ||
dea74869 PB |
511 | if (fe->ops.i2c_gate_ctrl) |
512 | fe->ops.i2c_gate_ctrl(fe, 1); | |
272bc4db AQ |
513 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { |
514 | return result; | |
515 | } | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | static int dvb_pll_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) | |
521 | { | |
522 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
523 | u8 buf[4]; | |
524 | struct i2c_msg msg = | |
525 | { .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = sizeof(buf) }; | |
526 | int result; | |
527 | u32 div; | |
528 | int i; | |
529 | u32 bandwidth = 0; | |
530 | ||
531 | if (priv->i2c == NULL) | |
532 | return -EINVAL; | |
533 | ||
534 | // DVBT bandwidth only just now | |
dea74869 | 535 | if (fe->ops.info.type == FE_OFDM) { |
272bc4db AQ |
536 | bandwidth = params->u.ofdm.bandwidth; |
537 | } | |
538 | ||
539 | if ((result = dvb_pll_configure(priv->pll_desc, buf, params->frequency, bandwidth)) != 0) | |
540 | return result; | |
541 | ||
dea74869 PB |
542 | if (fe->ops.i2c_gate_ctrl) |
543 | fe->ops.i2c_gate_ctrl(fe, 1); | |
272bc4db AQ |
544 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { |
545 | return result; | |
546 | } | |
547 | ||
548 | // calculate the frequency we set it to | |
549 | for (i = 0; i < priv->pll_desc->count; i++) { | |
550 | if (params->frequency > priv->pll_desc->entries[i].limit) | |
551 | continue; | |
552 | break; | |
553 | } | |
554 | div = (params->frequency + priv->pll_desc->entries[i].offset) / priv->pll_desc->entries[i].stepsize; | |
555 | priv->frequency = (div * priv->pll_desc->entries[i].stepsize) - priv->pll_desc->entries[i].offset; | |
556 | priv->bandwidth = bandwidth; | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
bd4956b8 | 561 | static int dvb_pll_calc_regs(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len) |
272bc4db AQ |
562 | { |
563 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
564 | int result; | |
565 | u32 div; | |
566 | int i; | |
567 | u32 bandwidth = 0; | |
568 | ||
569 | if (buf_len < 5) | |
570 | return -EINVAL; | |
571 | ||
572 | // DVBT bandwidth only just now | |
dea74869 | 573 | if (fe->ops.info.type == FE_OFDM) { |
272bc4db AQ |
574 | bandwidth = params->u.ofdm.bandwidth; |
575 | } | |
576 | ||
577 | if ((result = dvb_pll_configure(priv->pll_desc, buf+1, params->frequency, bandwidth)) != 0) | |
578 | return result; | |
579 | buf[0] = priv->pll_i2c_address; | |
580 | ||
581 | // calculate the frequency we set it to | |
582 | for (i = 0; i < priv->pll_desc->count; i++) { | |
583 | if (params->frequency > priv->pll_desc->entries[i].limit) | |
584 | continue; | |
585 | break; | |
586 | } | |
587 | div = (params->frequency + priv->pll_desc->entries[i].offset) / priv->pll_desc->entries[i].stepsize; | |
588 | priv->frequency = (div * priv->pll_desc->entries[i].stepsize) - priv->pll_desc->entries[i].offset; | |
589 | priv->bandwidth = bandwidth; | |
590 | ||
591 | return 5; | |
592 | } | |
593 | ||
594 | static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
595 | { | |
596 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
597 | *frequency = priv->frequency; | |
598 | return 0; | |
599 | } | |
600 | ||
601 | static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
602 | { | |
603 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
604 | *bandwidth = priv->bandwidth; | |
605 | return 0; | |
606 | } | |
607 | ||
608 | static struct dvb_tuner_ops dvb_pll_tuner_ops = { | |
609 | .release = dvb_pll_release, | |
610 | .sleep = dvb_pll_sleep, | |
611 | .set_params = dvb_pll_set_params, | |
bd4956b8 | 612 | .calc_regs = dvb_pll_calc_regs, |
272bc4db AQ |
613 | .get_frequency = dvb_pll_get_frequency, |
614 | .get_bandwidth = dvb_pll_get_bandwidth, | |
615 | }; | |
616 | ||
2bfe031d | 617 | struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc) |
272bc4db | 618 | { |
061b623c | 619 | u8 b1 [] = { 0 }; |
95faba22 | 620 | struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .buf = b1, .len = 1 }; |
272bc4db | 621 | struct dvb_pll_priv *priv = NULL; |
061b623c AQ |
622 | int ret; |
623 | ||
55c05b6d AQ |
624 | if (i2c != NULL) { |
625 | if (fe->ops.i2c_gate_ctrl) | |
626 | fe->ops.i2c_gate_ctrl(fe, 1); | |
627 | ||
95faba22 AQ |
628 | ret = i2c_transfer (i2c, &msg, 1); |
629 | if (ret != 1) | |
2bfe031d | 630 | return NULL; |
55c05b6d AQ |
631 | if (fe->ops.i2c_gate_ctrl) |
632 | fe->ops.i2c_gate_ctrl(fe, 0); | |
633 | } | |
272bc4db AQ |
634 | |
635 | priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); | |
636 | if (priv == NULL) | |
2bfe031d | 637 | return NULL; |
272bc4db AQ |
638 | |
639 | priv->pll_i2c_address = pll_addr; | |
640 | priv->i2c = i2c; | |
641 | priv->pll_desc = desc; | |
642 | ||
dea74869 PB |
643 | memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, sizeof(struct dvb_tuner_ops)); |
644 | strncpy(fe->ops.tuner_ops.info.name, desc->name, 128); | |
645 | fe->ops.tuner_ops.info.frequency_min = desc->min; | |
646 | fe->ops.tuner_ops.info.frequency_min = desc->max; | |
272bc4db AQ |
647 | |
648 | fe->tuner_priv = priv; | |
2bfe031d | 649 | return fe; |
272bc4db AQ |
650 | } |
651 | EXPORT_SYMBOL(dvb_pll_attach); | |
652 | ||
1da177e4 LT |
653 | MODULE_DESCRIPTION("dvb pll library"); |
654 | MODULE_AUTHOR("Gerd Knorr"); | |
655 | MODULE_LICENSE("GPL"); |