Commit | Line | Data |
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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 | ||
26aed922 TP |
30 | /* Set AGC TOP value to 103 dBuV: |
31 | 0x80 = Control Byte | |
32 | 0x40 = 250 uA charge pump (irrelevant) | |
33 | 0x18 = Aux Byte to follow | |
34 | 0x06 = 64.5 kHz divider (irrelevant) | |
35 | 0x01 = Disable Vt (aka sleep) | |
36 | ||
37 | 0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA) | |
38 | 0x50 = AGC Take over point = 103 dBuV */ | |
39 | static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 }; | |
40 | ||
1da177e4 LT |
41 | struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { |
42 | .name = "Thomson dtt7579", | |
43 | .min = 177000000, | |
44 | .max = 858000000, | |
45 | .count = 5, | |
46 | .entries = { | |
47 | { 0, 36166667, 166666, 0xb4, 0x03 }, /* go sleep */ | |
48 | { 443250000, 36166667, 166666, 0xb4, 0x02 }, | |
49 | { 542000000, 36166667, 166666, 0xb4, 0x08 }, | |
50 | { 771000000, 36166667, 166666, 0xbc, 0x08 }, | |
51 | { 999999999, 36166667, 166666, 0xf4, 0x08 }, | |
52 | }, | |
53 | }; | |
54 | EXPORT_SYMBOL(dvb_pll_thomson_dtt7579); | |
55 | ||
56 | struct dvb_pll_desc dvb_pll_thomson_dtt7610 = { | |
57 | .name = "Thomson dtt7610", | |
58 | .min = 44000000, | |
59 | .max = 958000000, | |
60 | .count = 3, | |
61 | .entries = { | |
62 | { 157250000, 44000000, 62500, 0x8e, 0x39 }, | |
63 | { 454000000, 44000000, 62500, 0x8e, 0x3a }, | |
64 | { 999999999, 44000000, 62500, 0x8e, 0x3c }, | |
65 | }, | |
66 | }; | |
67 | EXPORT_SYMBOL(dvb_pll_thomson_dtt7610); | |
68 | ||
49dc82fd | 69 | static void thomson_dtt759x_bw(u8 *buf, u32 freq, int bandwidth) |
1da177e4 LT |
70 | { |
71 | if (BANDWIDTH_7_MHZ == bandwidth) | |
72 | buf[3] |= 0x10; | |
73 | } | |
74 | ||
75 | struct dvb_pll_desc dvb_pll_thomson_dtt759x = { | |
76 | .name = "Thomson dtt759x", | |
77 | .min = 177000000, | |
78 | .max = 896000000, | |
79 | .setbw = thomson_dtt759x_bw, | |
80 | .count = 6, | |
81 | .entries = { | |
82 | { 0, 36166667, 166666, 0x84, 0x03 }, | |
83 | { 264000000, 36166667, 166666, 0xb4, 0x02 }, | |
84 | { 470000000, 36166667, 166666, 0xbc, 0x02 }, | |
85 | { 735000000, 36166667, 166666, 0xbc, 0x08 }, | |
86 | { 835000000, 36166667, 166666, 0xf4, 0x08 }, | |
87 | { 999999999, 36166667, 166666, 0xfc, 0x08 }, | |
88 | }, | |
89 | }; | |
90 | EXPORT_SYMBOL(dvb_pll_thomson_dtt759x); | |
91 | ||
92 | struct dvb_pll_desc dvb_pll_lg_z201 = { | |
93 | .name = "LG z201", | |
94 | .min = 174000000, | |
95 | .max = 862000000, | |
9e00e486 | 96 | .count = 6, |
1da177e4 LT |
97 | .entries = { |
98 | { 0, 36166667, 166666, 0xbc, 0x03 }, | |
9e00e486 GF |
99 | { 157500000, 36166667, 166666, 0xbc, 0x01 }, |
100 | { 443250000, 36166667, 166666, 0xbc, 0x02 }, | |
101 | { 542000000, 36166667, 166666, 0xbc, 0x04 }, | |
102 | { 830000000, 36166667, 166666, 0xf4, 0x04 }, | |
103 | { 999999999, 36166667, 166666, 0xfc, 0x04 }, | |
1da177e4 LT |
104 | }, |
105 | }; | |
106 | EXPORT_SYMBOL(dvb_pll_lg_z201); | |
107 | ||
d8667cbb MM |
108 | struct dvb_pll_desc dvb_pll_microtune_4042 = { |
109 | .name = "Microtune 4042 FI5", | |
110 | .min = 57000000, | |
111 | .max = 858000000, | |
112 | .count = 3, | |
113 | .entries = { | |
114 | { 162000000, 44000000, 62500, 0x8e, 0xa1 }, | |
115 | { 457000000, 44000000, 62500, 0x8e, 0x91 }, | |
116 | { 999999999, 44000000, 62500, 0x8e, 0x31 }, | |
117 | }, | |
118 | }; | |
119 | EXPORT_SYMBOL(dvb_pll_microtune_4042); | |
120 | ||
83ac8722 MK |
121 | struct dvb_pll_desc dvb_pll_thomson_dtt761x = { |
122 | /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */ | |
123 | .name = "Thomson dtt761x", | |
124 | .min = 57000000, | |
125 | .max = 863000000, | |
0d723c09 | 126 | .count = 3, |
26aed922 | 127 | .initdata = tua603x_agc103, |
0d723c09 | 128 | .entries = { |
83ac8722 MK |
129 | { 147000000, 44000000, 62500, 0x8e, 0x39 }, |
130 | { 417000000, 44000000, 62500, 0x8e, 0x3a }, | |
0d723c09 MK |
131 | { 999999999, 44000000, 62500, 0x8e, 0x3c }, |
132 | }, | |
133 | }; | |
83ac8722 | 134 | EXPORT_SYMBOL(dvb_pll_thomson_dtt761x); |
0d723c09 | 135 | |
1da177e4 LT |
136 | struct dvb_pll_desc dvb_pll_unknown_1 = { |
137 | .name = "unknown 1", /* used by dntv live dvb-t */ | |
138 | .min = 174000000, | |
139 | .max = 862000000, | |
140 | .count = 9, | |
141 | .entries = { | |
142 | { 150000000, 36166667, 166666, 0xb4, 0x01 }, | |
143 | { 173000000, 36166667, 166666, 0xbc, 0x01 }, | |
144 | { 250000000, 36166667, 166666, 0xb4, 0x02 }, | |
145 | { 400000000, 36166667, 166666, 0xbc, 0x02 }, | |
146 | { 420000000, 36166667, 166666, 0xf4, 0x02 }, | |
147 | { 470000000, 36166667, 166666, 0xfc, 0x02 }, | |
148 | { 600000000, 36166667, 166666, 0xbc, 0x08 }, | |
149 | { 730000000, 36166667, 166666, 0xf4, 0x08 }, | |
150 | { 999999999, 36166667, 166666, 0xfc, 0x08 }, | |
151 | }, | |
152 | }; | |
153 | EXPORT_SYMBOL(dvb_pll_unknown_1); | |
154 | ||
776338e1 JS |
155 | /* Infineon TUA6010XS |
156 | * used in Thomson Cable Tuner | |
157 | */ | |
158 | struct dvb_pll_desc dvb_pll_tua6010xs = { | |
159 | .name = "Infineon TUA6010XS", | |
160 | .min = 44250000, | |
161 | .max = 858000000, | |
162 | .count = 3, | |
163 | .entries = { | |
164 | { 115750000, 36125000, 62500, 0x8e, 0x03 }, | |
165 | { 403250000, 36125000, 62500, 0x8e, 0x06 }, | |
166 | { 999999999, 36125000, 62500, 0x8e, 0x85 }, | |
167 | }, | |
168 | }; | |
169 | EXPORT_SYMBOL(dvb_pll_tua6010xs); | |
170 | ||
171 | /* Panasonic env57h1xd5 (some Philips PLL ?) */ | |
172 | struct dvb_pll_desc dvb_pll_env57h1xd5 = { | |
173 | .name = "Panasonic ENV57H1XD5", | |
174 | .min = 44250000, | |
175 | .max = 858000000, | |
176 | .count = 4, | |
177 | .entries = { | |
178 | { 153000000, 36291666, 166666, 0xc2, 0x41 }, | |
179 | { 470000000, 36291666, 166666, 0xc2, 0x42 }, | |
180 | { 526000000, 36291666, 166666, 0xc2, 0x84 }, | |
181 | { 999999999, 36291666, 166666, 0xc2, 0xa4 }, | |
182 | }, | |
183 | }; | |
184 | EXPORT_SYMBOL(dvb_pll_env57h1xd5); | |
185 | ||
186 | /* Philips TDA6650/TDA6651 | |
187 | * used in Panasonic ENV77H11D5 | |
188 | */ | |
49dc82fd | 189 | static void tda665x_bw(u8 *buf, u32 freq, int bandwidth) |
776338e1 JS |
190 | { |
191 | if (bandwidth == BANDWIDTH_8_MHZ) | |
192 | buf[3] |= 0x08; | |
193 | } | |
194 | ||
195 | struct dvb_pll_desc dvb_pll_tda665x = { | |
196 | .name = "Philips TDA6650/TDA6651", | |
197 | .min = 44250000, | |
198 | .max = 858000000, | |
199 | .setbw = tda665x_bw, | |
200 | .count = 12, | |
201 | .entries = { | |
202 | { 93834000, 36249333, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, | |
203 | { 123834000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, | |
204 | { 161000000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, | |
205 | { 163834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, | |
206 | { 253834000, 36249333, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, | |
207 | { 383834000, 36249333, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, | |
208 | { 443834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, | |
93e2b1ae AQ |
209 | { 444000000, 36249333, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, |
210 | { 583834000, 36249333, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, | |
211 | { 793834000, 36249333, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, | |
212 | { 444834000, 36249333, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, | |
213 | { 861000000, 36249333, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, | |
776338e1 JS |
214 | } |
215 | }; | |
216 | EXPORT_SYMBOL(dvb_pll_tda665x); | |
217 | ||
218 | /* Infineon TUA6034 | |
219 | * used in LG TDTP E102P | |
220 | */ | |
49dc82fd | 221 | static void tua6034_bw(u8 *buf, u32 freq, int bandwidth) |
776338e1 JS |
222 | { |
223 | if (BANDWIDTH_7_MHZ != bandwidth) | |
224 | buf[3] |= 0x08; | |
225 | } | |
226 | ||
227 | struct dvb_pll_desc dvb_pll_tua6034 = { | |
228 | .name = "Infineon TUA6034", | |
229 | .min = 44250000, | |
230 | .max = 858000000, | |
231 | .count = 3, | |
232 | .setbw = tua6034_bw, | |
233 | .entries = { | |
234 | { 174500000, 36166667, 62500, 0xce, 0x01 }, | |
235 | { 230000000, 36166667, 62500, 0xce, 0x02 }, | |
236 | { 999999999, 36166667, 62500, 0xce, 0x04 }, | |
237 | }, | |
238 | }; | |
239 | EXPORT_SYMBOL(dvb_pll_tua6034); | |
240 | ||
1963c907 | 241 | /* Infineon TUA6034 |
d9e12f25 | 242 | * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F |
1963c907 | 243 | */ |
30fa61a5 | 244 | struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = { |
d9e12f25 | 245 | .name = "LG TDVS-H06xF", |
1963c907 MK |
246 | .min = 54000000, |
247 | .max = 863000000, | |
6bdcc6e6 | 248 | .initdata = tua603x_agc103, |
1963c907 MK |
249 | .count = 3, |
250 | .entries = { | |
dd31d5ac RS |
251 | { 165000000, 44000000, 62500, 0xce, 0x01 }, |
252 | { 450000000, 44000000, 62500, 0xce, 0x02 }, | |
1963c907 MK |
253 | { 999999999, 44000000, 62500, 0xce, 0x04 }, |
254 | }, | |
255 | }; | |
30fa61a5 | 256 | EXPORT_SYMBOL(dvb_pll_lg_tdvs_h06xf); |
1963c907 | 257 | |
49dc82fd PB |
258 | /* Philips FMD1216ME |
259 | * used in Medion Hybrid PCMCIA card and USB Box | |
260 | */ | |
261 | static void fmd1216me_bw(u8 *buf, u32 freq, int bandwidth) | |
262 | { | |
263 | if (bandwidth == BANDWIDTH_8_MHZ && freq >= 158870000) | |
264 | buf[3] |= 0x08; | |
265 | } | |
266 | ||
267 | struct dvb_pll_desc dvb_pll_fmd1216me = { | |
0589b8e4 | 268 | .name = "Philips FMD1216ME", |
49dc82fd PB |
269 | .min = 50870000, |
270 | .max = 858000000, | |
271 | .setbw = fmd1216me_bw, | |
272 | .count = 7, | |
273 | .entries = { | |
274 | { 143870000, 36213333, 166667, 0xbc, 0x41 }, | |
275 | { 158870000, 36213333, 166667, 0xf4, 0x41 }, | |
276 | { 329870000, 36213333, 166667, 0xbc, 0x42 }, | |
277 | { 441870000, 36213333, 166667, 0xf4, 0x42 }, | |
278 | { 625870000, 36213333, 166667, 0xbc, 0x44 }, | |
279 | { 803870000, 36213333, 166667, 0xf4, 0x44 }, | |
280 | { 999999999, 36213333, 166667, 0xfc, 0x44 }, | |
281 | } | |
282 | }; | |
283 | EXPORT_SYMBOL(dvb_pll_fmd1216me); | |
284 | ||
0589b8e4 PB |
285 | /* ALPS TDED4 |
286 | * used in Nebula-Cards and USB boxes | |
287 | */ | |
288 | static void tded4_bw(u8 *buf, u32 freq, int bandwidth) | |
289 | { | |
290 | if (bandwidth == BANDWIDTH_8_MHZ) | |
291 | buf[3] |= 0x04; | |
292 | } | |
293 | ||
294 | struct dvb_pll_desc dvb_pll_tded4 = { | |
295 | .name = "ALPS TDED4", | |
296 | .min = 47000000, | |
297 | .max = 863000000, | |
298 | .setbw = tded4_bw, | |
299 | .count = 4, | |
300 | .entries = { | |
301 | { 153000000, 36166667, 166667, 0x85, 0x01 }, | |
302 | { 470000000, 36166667, 166667, 0x85, 0x02 }, | |
303 | { 823000000, 36166667, 166667, 0x85, 0x08 }, | |
304 | { 999999999, 36166667, 166667, 0x85, 0x88 }, | |
305 | } | |
306 | }; | |
307 | EXPORT_SYMBOL(dvb_pll_tded4); | |
308 | ||
147418c9 KL |
309 | /* ALPS TDHU2 |
310 | * used in AverTVHD MCE A180 | |
311 | */ | |
312 | struct dvb_pll_desc dvb_pll_tdhu2 = { | |
313 | .name = "ALPS TDHU2", | |
314 | .min = 54000000, | |
315 | .max = 864000000, | |
316 | .count = 4, | |
317 | .entries = { | |
318 | { 162000000, 44000000, 62500, 0x85, 0x01 }, | |
319 | { 426000000, 44000000, 62500, 0x85, 0x02 }, | |
320 | { 782000000, 44000000, 62500, 0x85, 0x08 }, | |
321 | { 999999999, 44000000, 62500, 0x85, 0x88 }, | |
322 | } | |
323 | }; | |
324 | EXPORT_SYMBOL(dvb_pll_tdhu2); | |
325 | ||
326 | /* Philips TUV1236D | |
327 | * used in ATI HDTV Wonder | |
328 | */ | |
329 | struct dvb_pll_desc dvb_pll_tuv1236d = { | |
330 | .name = "Philips TUV1236D", | |
04a45929 | 331 | .min = 54000000, |
147418c9 KL |
332 | .max = 864000000, |
333 | .count = 3, | |
334 | .entries = { | |
335 | { 157250000, 44000000, 62500, 0xc6, 0x41 }, | |
336 | { 454000000, 44000000, 62500, 0xc6, 0x42 }, | |
337 | { 999999999, 44000000, 62500, 0xc6, 0x44 }, | |
338 | }, | |
339 | }; | |
340 | EXPORT_SYMBOL(dvb_pll_tuv1236d); | |
341 | ||
d76a6179 | 342 | /* Samsung TBMV30111IN / TBMV30712IN1 |
147418c9 KL |
343 | * used in Air2PC ATSC - 2nd generation (nxt2002) |
344 | */ | |
28f3d4b3 MK |
345 | struct dvb_pll_desc dvb_pll_samsung_tbmv = { |
346 | .name = "Samsung TBMV30111IN / TBMV30712IN1", | |
147418c9 KL |
347 | .min = 54000000, |
348 | .max = 860000000, | |
17c37efb | 349 | .count = 6, |
147418c9 KL |
350 | .entries = { |
351 | { 172000000, 44000000, 166666, 0xb4, 0x01 }, | |
352 | { 214000000, 44000000, 166666, 0xb4, 0x02 }, | |
353 | { 467000000, 44000000, 166666, 0xbc, 0x02 }, | |
354 | { 721000000, 44000000, 166666, 0xbc, 0x08 }, | |
355 | { 841000000, 44000000, 166666, 0xf4, 0x08 }, | |
356 | { 999999999, 44000000, 166666, 0xfc, 0x02 }, | |
357 | } | |
358 | }; | |
28f3d4b3 | 359 | EXPORT_SYMBOL(dvb_pll_samsung_tbmv); |
147418c9 | 360 | |
f8bf134d RP |
361 | /* |
362 | * Philips SD1878 Tuner. | |
363 | */ | |
364 | struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { | |
365 | .name = "Philips SD1878", | |
366 | .min = 950000, | |
367 | .max = 2150000, | |
368 | .count = 4, | |
369 | .entries = { | |
370 | { 1250000, 499, 500, 0xc4, 0x00}, | |
371 | { 1550000, 499, 500, 0xc4, 0x40}, | |
372 | { 2050000, 499, 500, 0xc4, 0x80}, | |
373 | { 2150000, 499, 500, 0xc4, 0xc0}, | |
374 | }, | |
375 | }; | |
376 | EXPORT_SYMBOL(dvb_pll_philips_sd1878_tda8261); | |
377 | ||
a78d0bfa JAR |
378 | /* |
379 | * Philips TD1316 Tuner. | |
380 | */ | |
381 | static void td1316_bw(u8 *buf, u32 freq, int bandwidth) | |
382 | { | |
383 | u8 band; | |
384 | ||
385 | /* determine band */ | |
386 | if (freq < 161000000) | |
387 | band = 1; | |
388 | else if (freq < 444000000) | |
389 | band = 2; | |
390 | else | |
391 | band = 4; | |
392 | ||
393 | buf[3] |= band; | |
394 | ||
395 | /* setup PLL filter */ | |
396 | if (bandwidth == BANDWIDTH_8_MHZ) | |
397 | buf[3] |= 1 << 3; | |
398 | } | |
399 | ||
400 | struct dvb_pll_desc dvb_pll_philips_td1316 = { | |
401 | .name = "Philips TD1316", | |
402 | .min = 87000000, | |
403 | .max = 895000000, | |
404 | .setbw = td1316_bw, | |
405 | .count = 9, | |
406 | .entries = { | |
407 | { 93834000, 36166000, 166666, 0xca, 0x60}, | |
408 | { 123834000, 36166000, 166666, 0xca, 0xa0}, | |
409 | { 163834000, 36166000, 166666, 0xca, 0xc0}, | |
410 | { 253834000, 36166000, 166666, 0xca, 0x60}, | |
411 | { 383834000, 36166000, 166666, 0xca, 0xa0}, | |
412 | { 443834000, 36166000, 166666, 0xca, 0xc0}, | |
413 | { 583834000, 36166000, 166666, 0xca, 0x60}, | |
414 | { 793834000, 36166000, 166666, 0xca, 0xa0}, | |
415 | { 858834000, 36166000, 166666, 0xca, 0xe0}, | |
416 | }, | |
417 | }; | |
418 | EXPORT_SYMBOL(dvb_pll_philips_td1316); | |
419 | ||
780dfef3 | 420 | /* FE6600 used on DViCO Hybrid */ |
91ae3299 MK |
421 | struct dvb_pll_desc dvb_pll_thomson_fe6600 = { |
422 | .name = "Thomson FE6600", | |
780dfef3 CP |
423 | .min = 44250000, |
424 | .max = 858000000, | |
425 | .count = 4, | |
426 | .entries = { | |
427 | { 250000000, 36213333, 166667, 0xb4, 0x12 }, | |
428 | { 455000000, 36213333, 166667, 0xfe, 0x11 }, | |
429 | { 775500000, 36213333, 166667, 0xbc, 0x18 }, | |
430 | { 999999999, 36213333, 166667, 0xf4, 0x18 }, | |
431 | } | |
432 | }; | |
91ae3299 | 433 | EXPORT_SYMBOL(dvb_pll_thomson_fe6600); |
780dfef3 | 434 | |
272bc4db AQ |
435 | struct dvb_pll_priv { |
436 | /* i2c details */ | |
437 | int pll_i2c_address; | |
438 | struct i2c_adapter *i2c; | |
439 | ||
440 | /* the PLL descriptor */ | |
441 | struct dvb_pll_desc *pll_desc; | |
442 | ||
443 | /* cached frequency/bandwidth */ | |
444 | u32 frequency; | |
445 | u32 bandwidth; | |
446 | }; | |
447 | ||
1da177e4 LT |
448 | /* ----------------------------------------------------------- */ |
449 | /* code */ | |
450 | ||
451 | static int debug = 0; | |
452 | module_param(debug, int, 0644); | |
453 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
454 | ||
455 | int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, | |
456 | u32 freq, int bandwidth) | |
457 | { | |
458 | u32 div; | |
459 | int i; | |
460 | ||
461 | if (freq != 0 && (freq < desc->min || freq > desc->max)) | |
462 | return -EINVAL; | |
463 | ||
464 | for (i = 0; i < desc->count; i++) { | |
465 | if (freq > desc->entries[i].limit) | |
466 | continue; | |
467 | break; | |
468 | } | |
469 | if (debug) | |
470 | printk("pll: %s: freq=%d bw=%d | i=%d/%d\n", | |
471 | desc->name, freq, bandwidth, i, desc->count); | |
272bc4db AQ |
472 | if (i == desc->count) |
473 | return -EINVAL; | |
1da177e4 LT |
474 | |
475 | div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize; | |
476 | buf[0] = div >> 8; | |
477 | buf[1] = div & 0xff; | |
ab66b22f MK |
478 | buf[2] = desc->entries[i].config; |
479 | buf[3] = desc->entries[i].cb; | |
1da177e4 LT |
480 | |
481 | if (desc->setbw) | |
49dc82fd | 482 | desc->setbw(buf, freq, bandwidth); |
1da177e4 LT |
483 | |
484 | if (debug) | |
485 | printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", | |
486 | desc->name, div, buf[0], buf[1], buf[2], buf[3]); | |
487 | ||
89faeefc MK |
488 | // calculate the frequency we set it to |
489 | return (div * desc->entries[i].stepsize) - desc->entries[i].offset; | |
1da177e4 LT |
490 | } |
491 | EXPORT_SYMBOL(dvb_pll_configure); | |
492 | ||
272bc4db AQ |
493 | static int dvb_pll_release(struct dvb_frontend *fe) |
494 | { | |
2213918a | 495 | kfree(fe->tuner_priv); |
272bc4db AQ |
496 | fe->tuner_priv = NULL; |
497 | return 0; | |
498 | } | |
499 | ||
500 | static int dvb_pll_sleep(struct dvb_frontend *fe) | |
501 | { | |
502 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
503 | u8 buf[4]; | |
504 | struct i2c_msg msg = | |
47ae9ae8 MK |
505 | { .addr = priv->pll_i2c_address, .flags = 0, |
506 | .buf = buf, .len = sizeof(buf) }; | |
272bc4db AQ |
507 | int i; |
508 | int result; | |
509 | ||
c162dff6 CP |
510 | if (priv->i2c == NULL) |
511 | return -EINVAL; | |
512 | ||
272bc4db AQ |
513 | for (i = 0; i < priv->pll_desc->count; i++) { |
514 | if (priv->pll_desc->entries[i].limit == 0) | |
515 | break; | |
516 | } | |
517 | if (i == priv->pll_desc->count) | |
518 | return 0; | |
519 | ||
520 | buf[0] = 0; | |
521 | buf[1] = 0; | |
522 | buf[2] = priv->pll_desc->entries[i].config; | |
523 | buf[3] = priv->pll_desc->entries[i].cb; | |
524 | ||
dea74869 PB |
525 | if (fe->ops.i2c_gate_ctrl) |
526 | fe->ops.i2c_gate_ctrl(fe, 1); | |
272bc4db AQ |
527 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { |
528 | return result; | |
529 | } | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
47ae9ae8 MK |
534 | static int dvb_pll_set_params(struct dvb_frontend *fe, |
535 | struct dvb_frontend_parameters *params) | |
272bc4db AQ |
536 | { |
537 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
538 | u8 buf[4]; | |
539 | struct i2c_msg msg = | |
47ae9ae8 MK |
540 | { .addr = priv->pll_i2c_address, .flags = 0, |
541 | .buf = buf, .len = sizeof(buf) }; | |
272bc4db | 542 | int result; |
89faeefc | 543 | u32 bandwidth = 0, frequency = 0; |
272bc4db AQ |
544 | |
545 | if (priv->i2c == NULL) | |
546 | return -EINVAL; | |
547 | ||
548 | // DVBT bandwidth only just now | |
dea74869 | 549 | if (fe->ops.info.type == FE_OFDM) { |
272bc4db AQ |
550 | bandwidth = params->u.ofdm.bandwidth; |
551 | } | |
552 | ||
89faeefc MK |
553 | if ((result = dvb_pll_configure(priv->pll_desc, buf, |
554 | params->frequency, bandwidth)) < 0) | |
272bc4db | 555 | return result; |
89faeefc MK |
556 | else |
557 | frequency = result; | |
272bc4db | 558 | |
dea74869 PB |
559 | if (fe->ops.i2c_gate_ctrl) |
560 | fe->ops.i2c_gate_ctrl(fe, 1); | |
272bc4db AQ |
561 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { |
562 | return result; | |
563 | } | |
564 | ||
89faeefc | 565 | priv->frequency = frequency; |
272bc4db AQ |
566 | priv->bandwidth = bandwidth; |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
47ae9ae8 MK |
571 | static int dvb_pll_calc_regs(struct dvb_frontend *fe, |
572 | struct dvb_frontend_parameters *params, | |
573 | u8 *buf, int buf_len) | |
272bc4db AQ |
574 | { |
575 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
576 | int result; | |
89faeefc | 577 | u32 bandwidth = 0, frequency = 0; |
272bc4db AQ |
578 | |
579 | if (buf_len < 5) | |
580 | return -EINVAL; | |
581 | ||
582 | // DVBT bandwidth only just now | |
dea74869 | 583 | if (fe->ops.info.type == FE_OFDM) { |
272bc4db AQ |
584 | bandwidth = params->u.ofdm.bandwidth; |
585 | } | |
586 | ||
47ae9ae8 | 587 | if ((result = dvb_pll_configure(priv->pll_desc, buf+1, |
89faeefc | 588 | params->frequency, bandwidth)) < 0) |
272bc4db | 589 | return result; |
89faeefc MK |
590 | else |
591 | frequency = result; | |
592 | ||
272bc4db AQ |
593 | buf[0] = priv->pll_i2c_address; |
594 | ||
89faeefc | 595 | priv->frequency = frequency; |
272bc4db AQ |
596 | priv->bandwidth = bandwidth; |
597 | ||
598 | return 5; | |
599 | } | |
600 | ||
601 | static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
602 | { | |
603 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
604 | *frequency = priv->frequency; | |
605 | return 0; | |
606 | } | |
607 | ||
608 | static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
609 | { | |
610 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
611 | *bandwidth = priv->bandwidth; | |
612 | return 0; | |
613 | } | |
614 | ||
26aed922 TP |
615 | static int dvb_pll_init(struct dvb_frontend *fe) |
616 | { | |
617 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
618 | ||
619 | if (priv->i2c == NULL) | |
620 | return -EINVAL; | |
621 | ||
622 | if (priv->pll_desc->initdata) { | |
623 | struct i2c_msg msg = { .flags = 0, | |
624 | .addr = priv->pll_i2c_address, | |
625 | .buf = priv->pll_desc->initdata + 1, | |
626 | .len = priv->pll_desc->initdata[0] }; | |
627 | ||
628 | int result; | |
629 | if (fe->ops.i2c_gate_ctrl) | |
630 | fe->ops.i2c_gate_ctrl(fe, 1); | |
631 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { | |
632 | return result; | |
633 | } | |
634 | return 0; | |
635 | } | |
636 | /* Shouldn't be called when initdata is NULL, maybe BUG()? */ | |
637 | return -EINVAL; | |
638 | } | |
639 | ||
272bc4db AQ |
640 | static struct dvb_tuner_ops dvb_pll_tuner_ops = { |
641 | .release = dvb_pll_release, | |
642 | .sleep = dvb_pll_sleep, | |
643 | .set_params = dvb_pll_set_params, | |
bd4956b8 | 644 | .calc_regs = dvb_pll_calc_regs, |
272bc4db AQ |
645 | .get_frequency = dvb_pll_get_frequency, |
646 | .get_bandwidth = dvb_pll_get_bandwidth, | |
647 | }; | |
648 | ||
47ae9ae8 MK |
649 | struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, |
650 | struct i2c_adapter *i2c, | |
651 | struct dvb_pll_desc *desc) | |
272bc4db | 652 | { |
061b623c | 653 | u8 b1 [] = { 0 }; |
47ae9ae8 MK |
654 | struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, |
655 | .buf = b1, .len = 1 }; | |
272bc4db | 656 | struct dvb_pll_priv *priv = NULL; |
061b623c AQ |
657 | int ret; |
658 | ||
55c05b6d AQ |
659 | if (i2c != NULL) { |
660 | if (fe->ops.i2c_gate_ctrl) | |
661 | fe->ops.i2c_gate_ctrl(fe, 1); | |
662 | ||
95faba22 AQ |
663 | ret = i2c_transfer (i2c, &msg, 1); |
664 | if (ret != 1) | |
2bfe031d | 665 | return NULL; |
55c05b6d AQ |
666 | if (fe->ops.i2c_gate_ctrl) |
667 | fe->ops.i2c_gate_ctrl(fe, 0); | |
668 | } | |
272bc4db AQ |
669 | |
670 | priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); | |
671 | if (priv == NULL) | |
2bfe031d | 672 | return NULL; |
272bc4db AQ |
673 | |
674 | priv->pll_i2c_address = pll_addr; | |
675 | priv->i2c = i2c; | |
676 | priv->pll_desc = desc; | |
677 | ||
47ae9ae8 MK |
678 | memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, |
679 | sizeof(struct dvb_tuner_ops)); | |
680 | ||
982dd1bd TP |
681 | strncpy(fe->ops.tuner_ops.info.name, desc->name, |
682 | sizeof(fe->ops.tuner_ops.info.name)); | |
dea74869 PB |
683 | fe->ops.tuner_ops.info.frequency_min = desc->min; |
684 | fe->ops.tuner_ops.info.frequency_min = desc->max; | |
26aed922 TP |
685 | if (desc->initdata) |
686 | fe->ops.tuner_ops.init = dvb_pll_init; | |
272bc4db AQ |
687 | |
688 | fe->tuner_priv = priv; | |
2bfe031d | 689 | return fe; |
272bc4db AQ |
690 | } |
691 | EXPORT_SYMBOL(dvb_pll_attach); | |
692 | ||
1da177e4 LT |
693 | MODULE_DESCRIPTION("dvb pll library"); |
694 | MODULE_AUTHOR("Gerd Knorr"); | |
695 | MODULE_LICENSE("GPL"); |