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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 | ||
05a4611b MK |
27 | struct dvb_pll_priv { |
28 | /* pll number */ | |
29 | int nr; | |
30 | ||
31 | /* i2c details */ | |
32 | int pll_i2c_address; | |
33 | struct i2c_adapter *i2c; | |
34 | ||
35 | /* the PLL descriptor */ | |
36 | struct dvb_pll_desc *pll_desc; | |
37 | ||
38 | /* cached frequency/bandwidth */ | |
39 | u32 frequency; | |
40 | u32 bandwidth; | |
41 | }; | |
42 | ||
ff3e7dd5 | 43 | #define DVB_PLL_MAX 64 |
05a4611b MK |
44 | |
45 | static unsigned int dvb_pll_devcount; | |
46 | ||
ff699e6b | 47 | static int debug; |
05a4611b MK |
48 | module_param(debug, int, 0644); |
49 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
50 | ||
704e39bf MK |
51 | static unsigned int id[DVB_PLL_MAX] = |
52 | { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED }; | |
53 | module_param_array(id, int, NULL, 0644); | |
54 | MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)"); | |
55 | ||
05a4611b MK |
56 | /* ----------------------------------------------------------- */ |
57 | ||
47a9991e MK |
58 | struct dvb_pll_desc { |
59 | char *name; | |
60 | u32 min; | |
61 | u32 max; | |
62 | u32 iffreq; | |
5d7802b2 MK |
63 | void (*set)(struct dvb_frontend *fe, u8 *buf, |
64 | const struct dvb_frontend_parameters *params); | |
47a9991e MK |
65 | u8 *initdata; |
66 | u8 *sleepdata; | |
67 | int count; | |
68 | struct { | |
69 | u32 limit; | |
70 | u32 stepsize; | |
71 | u8 config; | |
72 | u8 cb; | |
73 | } entries[12]; | |
74 | }; | |
75 | ||
1da177e4 LT |
76 | /* ----------------------------------------------------------- */ |
77 | /* descriptions */ | |
78 | ||
47a9991e | 79 | static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { |
1da177e4 LT |
80 | .name = "Thomson dtt7579", |
81 | .min = 177000000, | |
82 | .max = 858000000, | |
df78cb0a | 83 | .iffreq= 36166667, |
d519dcf6 TP |
84 | .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, |
85 | .count = 4, | |
1da177e4 | 86 | .entries = { |
df78cb0a TP |
87 | { 443250000, 166667, 0xb4, 0x02 }, |
88 | { 542000000, 166667, 0xb4, 0x08 }, | |
89 | { 771000000, 166667, 0xbc, 0x08 }, | |
90 | { 999999999, 166667, 0xf4, 0x08 }, | |
1da177e4 LT |
91 | }, |
92 | }; | |
1da177e4 | 93 | |
5d7802b2 | 94 | static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf, |
77d67504 | 95 | const struct dvb_frontend_parameters *params) |
1da177e4 | 96 | { |
77d67504 | 97 | if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth) |
1da177e4 LT |
98 | buf[3] |= 0x10; |
99 | } | |
100 | ||
47a9991e | 101 | static struct dvb_pll_desc dvb_pll_thomson_dtt759x = { |
1da177e4 LT |
102 | .name = "Thomson dtt759x", |
103 | .min = 177000000, | |
104 | .max = 896000000, | |
77d67504 | 105 | .set = thomson_dtt759x_bw, |
df78cb0a | 106 | .iffreq= 36166667, |
d519dcf6 TP |
107 | .sleepdata = (u8[]){ 2, 0x84, 0x03 }, |
108 | .count = 5, | |
1da177e4 | 109 | .entries = { |
df78cb0a TP |
110 | { 264000000, 166667, 0xb4, 0x02 }, |
111 | { 470000000, 166667, 0xbc, 0x02 }, | |
112 | { 735000000, 166667, 0xbc, 0x08 }, | |
113 | { 835000000, 166667, 0xf4, 0x08 }, | |
114 | { 999999999, 166667, 0xfc, 0x08 }, | |
1da177e4 LT |
115 | }, |
116 | }; | |
1da177e4 | 117 | |
47a9991e | 118 | static struct dvb_pll_desc dvb_pll_lg_z201 = { |
1da177e4 LT |
119 | .name = "LG z201", |
120 | .min = 174000000, | |
121 | .max = 862000000, | |
df78cb0a | 122 | .iffreq= 36166667, |
d519dcf6 TP |
123 | .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, |
124 | .count = 5, | |
1da177e4 | 125 | .entries = { |
df78cb0a TP |
126 | { 157500000, 166667, 0xbc, 0x01 }, |
127 | { 443250000, 166667, 0xbc, 0x02 }, | |
128 | { 542000000, 166667, 0xbc, 0x04 }, | |
129 | { 830000000, 166667, 0xf4, 0x04 }, | |
130 | { 999999999, 166667, 0xfc, 0x04 }, | |
1da177e4 LT |
131 | }, |
132 | }; | |
1da177e4 | 133 | |
47a9991e | 134 | static struct dvb_pll_desc dvb_pll_unknown_1 = { |
1da177e4 LT |
135 | .name = "unknown 1", /* used by dntv live dvb-t */ |
136 | .min = 174000000, | |
137 | .max = 862000000, | |
df78cb0a | 138 | .iffreq= 36166667, |
1da177e4 LT |
139 | .count = 9, |
140 | .entries = { | |
df78cb0a TP |
141 | { 150000000, 166667, 0xb4, 0x01 }, |
142 | { 173000000, 166667, 0xbc, 0x01 }, | |
143 | { 250000000, 166667, 0xb4, 0x02 }, | |
144 | { 400000000, 166667, 0xbc, 0x02 }, | |
145 | { 420000000, 166667, 0xf4, 0x02 }, | |
146 | { 470000000, 166667, 0xfc, 0x02 }, | |
147 | { 600000000, 166667, 0xbc, 0x08 }, | |
148 | { 730000000, 166667, 0xf4, 0x08 }, | |
149 | { 999999999, 166667, 0xfc, 0x08 }, | |
1da177e4 LT |
150 | }, |
151 | }; | |
1da177e4 | 152 | |
776338e1 JS |
153 | /* Infineon TUA6010XS |
154 | * used in Thomson Cable Tuner | |
155 | */ | |
47a9991e | 156 | static struct dvb_pll_desc dvb_pll_tua6010xs = { |
776338e1 JS |
157 | .name = "Infineon TUA6010XS", |
158 | .min = 44250000, | |
159 | .max = 858000000, | |
df78cb0a | 160 | .iffreq= 36125000, |
776338e1 JS |
161 | .count = 3, |
162 | .entries = { | |
df78cb0a TP |
163 | { 115750000, 62500, 0x8e, 0x03 }, |
164 | { 403250000, 62500, 0x8e, 0x06 }, | |
165 | { 999999999, 62500, 0x8e, 0x85 }, | |
776338e1 JS |
166 | }, |
167 | }; | |
776338e1 JS |
168 | |
169 | /* Panasonic env57h1xd5 (some Philips PLL ?) */ | |
47a9991e | 170 | static struct dvb_pll_desc dvb_pll_env57h1xd5 = { |
776338e1 JS |
171 | .name = "Panasonic ENV57H1XD5", |
172 | .min = 44250000, | |
173 | .max = 858000000, | |
df78cb0a | 174 | .iffreq= 36125000, |
776338e1 JS |
175 | .count = 4, |
176 | .entries = { | |
df78cb0a TP |
177 | { 153000000, 166667, 0xc2, 0x41 }, |
178 | { 470000000, 166667, 0xc2, 0x42 }, | |
179 | { 526000000, 166667, 0xc2, 0x84 }, | |
180 | { 999999999, 166667, 0xc2, 0xa4 }, | |
776338e1 JS |
181 | }, |
182 | }; | |
776338e1 JS |
183 | |
184 | /* Philips TDA6650/TDA6651 | |
185 | * used in Panasonic ENV77H11D5 | |
186 | */ | |
5d7802b2 MK |
187 | static void tda665x_bw(struct dvb_frontend *fe, u8 *buf, |
188 | const struct dvb_frontend_parameters *params) | |
776338e1 | 189 | { |
77d67504 | 190 | if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) |
776338e1 JS |
191 | buf[3] |= 0x08; |
192 | } | |
193 | ||
47a9991e | 194 | static struct dvb_pll_desc dvb_pll_tda665x = { |
776338e1 JS |
195 | .name = "Philips TDA6650/TDA6651", |
196 | .min = 44250000, | |
197 | .max = 858000000, | |
77d67504 | 198 | .set = tda665x_bw, |
df78cb0a | 199 | .iffreq= 36166667, |
fbfee868 | 200 | .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, |
776338e1 JS |
201 | .count = 12, |
202 | .entries = { | |
df78cb0a TP |
203 | { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, |
204 | { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, | |
205 | { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, | |
206 | { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, | |
207 | { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, | |
208 | { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, | |
209 | { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, | |
210 | { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, | |
211 | { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, | |
212 | { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, | |
213 | { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, | |
214 | { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, | |
776338e1 JS |
215 | } |
216 | }; | |
776338e1 JS |
217 | |
218 | /* Infineon TUA6034 | |
219 | * used in LG TDTP E102P | |
220 | */ | |
5d7802b2 MK |
221 | static void tua6034_bw(struct dvb_frontend *fe, u8 *buf, |
222 | const struct dvb_frontend_parameters *params) | |
776338e1 | 223 | { |
77d67504 | 224 | if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth) |
776338e1 JS |
225 | buf[3] |= 0x08; |
226 | } | |
227 | ||
47a9991e | 228 | static struct dvb_pll_desc dvb_pll_tua6034 = { |
776338e1 JS |
229 | .name = "Infineon TUA6034", |
230 | .min = 44250000, | |
231 | .max = 858000000, | |
df78cb0a | 232 | .iffreq= 36166667, |
776338e1 | 233 | .count = 3, |
77d67504 | 234 | .set = tua6034_bw, |
776338e1 | 235 | .entries = { |
df78cb0a TP |
236 | { 174500000, 62500, 0xce, 0x01 }, |
237 | { 230000000, 62500, 0xce, 0x02 }, | |
238 | { 999999999, 62500, 0xce, 0x04 }, | |
776338e1 JS |
239 | }, |
240 | }; | |
776338e1 | 241 | |
0589b8e4 PB |
242 | /* ALPS TDED4 |
243 | * used in Nebula-Cards and USB boxes | |
244 | */ | |
5d7802b2 MK |
245 | static void tded4_bw(struct dvb_frontend *fe, u8 *buf, |
246 | const struct dvb_frontend_parameters *params) | |
0589b8e4 | 247 | { |
77d67504 | 248 | if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) |
0589b8e4 PB |
249 | buf[3] |= 0x04; |
250 | } | |
251 | ||
47a9991e | 252 | static struct dvb_pll_desc dvb_pll_tded4 = { |
0589b8e4 PB |
253 | .name = "ALPS TDED4", |
254 | .min = 47000000, | |
255 | .max = 863000000, | |
df78cb0a | 256 | .iffreq= 36166667, |
77d67504 | 257 | .set = tded4_bw, |
0589b8e4 PB |
258 | .count = 4, |
259 | .entries = { | |
df78cb0a TP |
260 | { 153000000, 166667, 0x85, 0x01 }, |
261 | { 470000000, 166667, 0x85, 0x02 }, | |
262 | { 823000000, 166667, 0x85, 0x08 }, | |
263 | { 999999999, 166667, 0x85, 0x88 }, | |
0589b8e4 PB |
264 | } |
265 | }; | |
0589b8e4 | 266 | |
147418c9 KL |
267 | /* ALPS TDHU2 |
268 | * used in AverTVHD MCE A180 | |
269 | */ | |
47a9991e | 270 | static struct dvb_pll_desc dvb_pll_tdhu2 = { |
147418c9 KL |
271 | .name = "ALPS TDHU2", |
272 | .min = 54000000, | |
273 | .max = 864000000, | |
df78cb0a | 274 | .iffreq= 44000000, |
147418c9 KL |
275 | .count = 4, |
276 | .entries = { | |
df78cb0a TP |
277 | { 162000000, 62500, 0x85, 0x01 }, |
278 | { 426000000, 62500, 0x85, 0x02 }, | |
279 | { 782000000, 62500, 0x85, 0x08 }, | |
280 | { 999999999, 62500, 0x85, 0x88 }, | |
147418c9 KL |
281 | } |
282 | }; | |
147418c9 | 283 | |
d76a6179 | 284 | /* Samsung TBMV30111IN / TBMV30712IN1 |
147418c9 KL |
285 | * used in Air2PC ATSC - 2nd generation (nxt2002) |
286 | */ | |
47a9991e | 287 | static struct dvb_pll_desc dvb_pll_samsung_tbmv = { |
28f3d4b3 | 288 | .name = "Samsung TBMV30111IN / TBMV30712IN1", |
147418c9 KL |
289 | .min = 54000000, |
290 | .max = 860000000, | |
df78cb0a | 291 | .iffreq= 44000000, |
17c37efb | 292 | .count = 6, |
147418c9 | 293 | .entries = { |
df78cb0a TP |
294 | { 172000000, 166667, 0xb4, 0x01 }, |
295 | { 214000000, 166667, 0xb4, 0x02 }, | |
296 | { 467000000, 166667, 0xbc, 0x02 }, | |
297 | { 721000000, 166667, 0xbc, 0x08 }, | |
298 | { 841000000, 166667, 0xf4, 0x08 }, | |
299 | { 999999999, 166667, 0xfc, 0x02 }, | |
147418c9 KL |
300 | } |
301 | }; | |
147418c9 | 302 | |
f8bf134d RP |
303 | /* |
304 | * Philips SD1878 Tuner. | |
305 | */ | |
47a9991e | 306 | static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { |
f8bf134d RP |
307 | .name = "Philips SD1878", |
308 | .min = 950000, | |
309 | .max = 2150000, | |
df78cb0a | 310 | .iffreq= 249, /* zero-IF, offset 249 is to round up */ |
f8bf134d RP |
311 | .count = 4, |
312 | .entries = { | |
df78cb0a | 313 | { 1250000, 500, 0xc4, 0x00}, |
b3332a98 | 314 | { 1450000, 500, 0xc4, 0x40}, |
df78cb0a TP |
315 | { 2050000, 500, 0xc4, 0x80}, |
316 | { 2150000, 500, 0xc4, 0xc0}, | |
f8bf134d RP |
317 | }, |
318 | }; | |
f8bf134d | 319 | |
5d7802b2 MK |
320 | static void opera1_bw(struct dvb_frontend *fe, u8 *buf, |
321 | const struct dvb_frontend_parameters *params) | |
941491f3 | 322 | { |
77d67504 | 323 | if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) |
941491f3 MG |
324 | buf[2] |= 0x08; |
325 | } | |
326 | ||
47a9991e | 327 | static struct dvb_pll_desc dvb_pll_opera1 = { |
941491f3 MG |
328 | .name = "Opera Tuner", |
329 | .min = 900000, | |
330 | .max = 2250000, | |
331 | .iffreq= 0, | |
77d67504 | 332 | .set = opera1_bw, |
941491f3 MG |
333 | .count = 8, |
334 | .entries = { | |
335 | { 1064000, 500, 0xe5, 0xc6 }, | |
336 | { 1169000, 500, 0xe5, 0xe6 }, | |
337 | { 1299000, 500, 0xe5, 0x24 }, | |
338 | { 1444000, 500, 0xe5, 0x44 }, | |
339 | { 1606000, 500, 0xe5, 0x64 }, | |
340 | { 1777000, 500, 0xe5, 0x84 }, | |
341 | { 1941000, 500, 0xe5, 0xa4 }, | |
342 | { 2250000, 500, 0xe5, 0xc4 }, | |
343 | } | |
344 | }; | |
47a9991e | 345 | |
139dfeb2 AP |
346 | static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf, |
347 | const struct dvb_frontend_parameters *params) | |
348 | { | |
349 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
350 | struct i2c_msg msg = { | |
351 | .addr = priv->pll_i2c_address, | |
352 | .flags = 0, | |
353 | .buf = buf, | |
354 | .len = 4 | |
355 | }; | |
356 | int result; | |
357 | ||
358 | if (fe->ops.i2c_gate_ctrl) | |
359 | fe->ops.i2c_gate_ctrl(fe, 1); | |
360 | ||
361 | result = i2c_transfer(priv->i2c, &msg, 1); | |
362 | if (result != 1) | |
363 | printk(KERN_ERR "%s: i2c_transfer failed:%d", | |
364 | __func__, result); | |
365 | ||
366 | buf[2] = 0x9e; | |
367 | buf[3] = 0x90; | |
368 | ||
369 | return; | |
370 | } | |
371 | ||
372 | /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ | |
373 | static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { | |
374 | .name = "Samsung DTOS403IH102A", | |
375 | .min = 44250000, | |
376 | .max = 858000000, | |
377 | .iffreq = 36125000, | |
378 | .count = 8, | |
379 | .set = samsung_dtos403ih102a_set, | |
380 | .entries = { | |
381 | { 135000000, 62500, 0xbe, 0x01 }, | |
382 | { 177000000, 62500, 0xf6, 0x01 }, | |
383 | { 370000000, 62500, 0xbe, 0x02 }, | |
384 | { 450000000, 62500, 0xf6, 0x02 }, | |
385 | { 466000000, 62500, 0xfe, 0x02 }, | |
386 | { 538000000, 62500, 0xbe, 0x08 }, | |
387 | { 826000000, 62500, 0xf6, 0x08 }, | |
388 | { 999999999, 62500, 0xfe, 0x08 }, | |
389 | } | |
390 | }; | |
391 | ||
47a9991e MK |
392 | /* ----------------------------------------------------------- */ |
393 | ||
394 | static struct dvb_pll_desc *pll_list[] = { | |
395 | [DVB_PLL_UNDEFINED] = NULL, | |
396 | [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, | |
397 | [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, | |
47a9991e | 398 | [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, |
47a9991e MK |
399 | [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, |
400 | [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, | |
401 | [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, | |
402 | [DVB_PLL_TUA6034] = &dvb_pll_tua6034, | |
47a9991e | 403 | [DVB_PLL_TDA665X] = &dvb_pll_tda665x, |
47a9991e | 404 | [DVB_PLL_TDED4] = &dvb_pll_tded4, |
47a9991e MK |
405 | [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, |
406 | [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, | |
407 | [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, | |
47a9991e | 408 | [DVB_PLL_OPERA1] = &dvb_pll_opera1, |
139dfeb2 | 409 | [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, |
47a9991e MK |
410 | }; |
411 | ||
1da177e4 LT |
412 | /* ----------------------------------------------------------- */ |
413 | /* code */ | |
414 | ||
5d7802b2 | 415 | static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, |
4ce15678 | 416 | const struct dvb_frontend_parameters *params) |
1da177e4 | 417 | { |
5d7802b2 MK |
418 | struct dvb_pll_priv *priv = fe->tuner_priv; |
419 | struct dvb_pll_desc *desc = priv->pll_desc; | |
1da177e4 LT |
420 | u32 div; |
421 | int i; | |
422 | ||
77d67504 MK |
423 | if (params->frequency != 0 && (params->frequency < desc->min || |
424 | params->frequency > desc->max)) | |
425 | return -EINVAL; | |
1da177e4 LT |
426 | |
427 | for (i = 0; i < desc->count; i++) { | |
77d67504 | 428 | if (params->frequency > desc->entries[i].limit) |
1da177e4 LT |
429 | continue; |
430 | break; | |
431 | } | |
77d67504 | 432 | |
1da177e4 | 433 | if (debug) |
77d67504 MK |
434 | printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, |
435 | params->frequency, i, desc->count); | |
272bc4db AQ |
436 | if (i == desc->count) |
437 | return -EINVAL; | |
1da177e4 | 438 | |
77d67504 MK |
439 | div = (params->frequency + desc->iffreq + |
440 | desc->entries[i].stepsize/2) / desc->entries[i].stepsize; | |
1da177e4 LT |
441 | buf[0] = div >> 8; |
442 | buf[1] = div & 0xff; | |
ab66b22f MK |
443 | buf[2] = desc->entries[i].config; |
444 | buf[3] = desc->entries[i].cb; | |
1da177e4 | 445 | |
77d67504 | 446 | if (desc->set) |
5d7802b2 | 447 | desc->set(fe, buf, params); |
1da177e4 LT |
448 | |
449 | if (debug) | |
450 | printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", | |
451 | desc->name, div, buf[0], buf[1], buf[2], buf[3]); | |
452 | ||
89faeefc | 453 | // calculate the frequency we set it to |
df78cb0a | 454 | return (div * desc->entries[i].stepsize) - desc->iffreq; |
1da177e4 | 455 | } |
1da177e4 | 456 | |
272bc4db AQ |
457 | static int dvb_pll_release(struct dvb_frontend *fe) |
458 | { | |
2213918a | 459 | kfree(fe->tuner_priv); |
272bc4db AQ |
460 | fe->tuner_priv = NULL; |
461 | return 0; | |
462 | } | |
463 | ||
464 | static int dvb_pll_sleep(struct dvb_frontend *fe) | |
465 | { | |
466 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
272bc4db | 467 | |
c162dff6 CP |
468 | if (priv->i2c == NULL) |
469 | return -EINVAL; | |
470 | ||
d519dcf6 TP |
471 | if (priv->pll_desc->sleepdata) { |
472 | struct i2c_msg msg = { .flags = 0, | |
473 | .addr = priv->pll_i2c_address, | |
474 | .buf = priv->pll_desc->sleepdata + 1, | |
475 | .len = priv->pll_desc->sleepdata[0] }; | |
272bc4db | 476 | |
d519dcf6 | 477 | int result; |
272bc4db | 478 | |
d519dcf6 TP |
479 | if (fe->ops.i2c_gate_ctrl) |
480 | fe->ops.i2c_gate_ctrl(fe, 1); | |
481 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { | |
482 | return result; | |
483 | } | |
484 | return 0; | |
272bc4db | 485 | } |
d519dcf6 TP |
486 | /* Shouldn't be called when initdata is NULL, maybe BUG()? */ |
487 | return -EINVAL; | |
272bc4db AQ |
488 | } |
489 | ||
47ae9ae8 MK |
490 | static int dvb_pll_set_params(struct dvb_frontend *fe, |
491 | struct dvb_frontend_parameters *params) | |
272bc4db AQ |
492 | { |
493 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
494 | u8 buf[4]; | |
495 | struct i2c_msg msg = | |
47ae9ae8 MK |
496 | { .addr = priv->pll_i2c_address, .flags = 0, |
497 | .buf = buf, .len = sizeof(buf) }; | |
272bc4db | 498 | int result; |
77d67504 | 499 | u32 frequency = 0; |
272bc4db AQ |
500 | |
501 | if (priv->i2c == NULL) | |
502 | return -EINVAL; | |
503 | ||
5d7802b2 | 504 | if ((result = dvb_pll_configure(fe, buf, params)) < 0) |
272bc4db | 505 | return result; |
89faeefc MK |
506 | else |
507 | frequency = result; | |
272bc4db | 508 | |
dea74869 PB |
509 | if (fe->ops.i2c_gate_ctrl) |
510 | fe->ops.i2c_gate_ctrl(fe, 1); | |
272bc4db AQ |
511 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { |
512 | return result; | |
513 | } | |
514 | ||
89faeefc | 515 | priv->frequency = frequency; |
77d67504 | 516 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; |
272bc4db AQ |
517 | |
518 | return 0; | |
519 | } | |
520 | ||
47ae9ae8 MK |
521 | static int dvb_pll_calc_regs(struct dvb_frontend *fe, |
522 | struct dvb_frontend_parameters *params, | |
523 | u8 *buf, int buf_len) | |
272bc4db AQ |
524 | { |
525 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
526 | int result; | |
77d67504 | 527 | u32 frequency = 0; |
272bc4db AQ |
528 | |
529 | if (buf_len < 5) | |
530 | return -EINVAL; | |
531 | ||
5d7802b2 | 532 | if ((result = dvb_pll_configure(fe, buf+1, params)) < 0) |
272bc4db | 533 | return result; |
89faeefc MK |
534 | else |
535 | frequency = result; | |
536 | ||
272bc4db AQ |
537 | buf[0] = priv->pll_i2c_address; |
538 | ||
89faeefc | 539 | priv->frequency = frequency; |
77d67504 | 540 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; |
272bc4db AQ |
541 | |
542 | return 5; | |
543 | } | |
544 | ||
545 | static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
546 | { | |
547 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
548 | *frequency = priv->frequency; | |
549 | return 0; | |
550 | } | |
551 | ||
552 | static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
553 | { | |
554 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
555 | *bandwidth = priv->bandwidth; | |
556 | return 0; | |
557 | } | |
558 | ||
26aed922 TP |
559 | static int dvb_pll_init(struct dvb_frontend *fe) |
560 | { | |
561 | struct dvb_pll_priv *priv = fe->tuner_priv; | |
562 | ||
563 | if (priv->i2c == NULL) | |
564 | return -EINVAL; | |
565 | ||
566 | if (priv->pll_desc->initdata) { | |
567 | struct i2c_msg msg = { .flags = 0, | |
568 | .addr = priv->pll_i2c_address, | |
569 | .buf = priv->pll_desc->initdata + 1, | |
570 | .len = priv->pll_desc->initdata[0] }; | |
571 | ||
572 | int result; | |
573 | if (fe->ops.i2c_gate_ctrl) | |
574 | fe->ops.i2c_gate_ctrl(fe, 1); | |
575 | if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { | |
576 | return result; | |
577 | } | |
578 | return 0; | |
579 | } | |
580 | /* Shouldn't be called when initdata is NULL, maybe BUG()? */ | |
581 | return -EINVAL; | |
582 | } | |
583 | ||
272bc4db AQ |
584 | static struct dvb_tuner_ops dvb_pll_tuner_ops = { |
585 | .release = dvb_pll_release, | |
586 | .sleep = dvb_pll_sleep, | |
d519dcf6 | 587 | .init = dvb_pll_init, |
272bc4db | 588 | .set_params = dvb_pll_set_params, |
bd4956b8 | 589 | .calc_regs = dvb_pll_calc_regs, |
272bc4db AQ |
590 | .get_frequency = dvb_pll_get_frequency, |
591 | .get_bandwidth = dvb_pll_get_bandwidth, | |
592 | }; | |
593 | ||
47ae9ae8 MK |
594 | struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, |
595 | struct i2c_adapter *i2c, | |
47a9991e | 596 | unsigned int pll_desc_id) |
272bc4db | 597 | { |
061b623c | 598 | u8 b1 [] = { 0 }; |
47ae9ae8 MK |
599 | struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, |
600 | .buf = b1, .len = 1 }; | |
272bc4db | 601 | struct dvb_pll_priv *priv = NULL; |
061b623c | 602 | int ret; |
47a9991e MK |
603 | struct dvb_pll_desc *desc; |
604 | ||
704e39bf MK |
605 | if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && |
606 | (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) | |
607 | pll_desc_id = id[dvb_pll_devcount]; | |
608 | ||
47a9991e MK |
609 | BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); |
610 | ||
611 | desc = pll_list[pll_desc_id]; | |
061b623c | 612 | |
55c05b6d AQ |
613 | if (i2c != NULL) { |
614 | if (fe->ops.i2c_gate_ctrl) | |
615 | fe->ops.i2c_gate_ctrl(fe, 1); | |
616 | ||
95faba22 AQ |
617 | ret = i2c_transfer (i2c, &msg, 1); |
618 | if (ret != 1) | |
2bfe031d | 619 | return NULL; |
55c05b6d AQ |
620 | if (fe->ops.i2c_gate_ctrl) |
621 | fe->ops.i2c_gate_ctrl(fe, 0); | |
622 | } | |
272bc4db AQ |
623 | |
624 | priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); | |
625 | if (priv == NULL) | |
2bfe031d | 626 | return NULL; |
272bc4db AQ |
627 | |
628 | priv->pll_i2c_address = pll_addr; | |
629 | priv->i2c = i2c; | |
630 | priv->pll_desc = desc; | |
a27e5e76 | 631 | priv->nr = dvb_pll_devcount++; |
272bc4db | 632 | |
47ae9ae8 MK |
633 | memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, |
634 | sizeof(struct dvb_tuner_ops)); | |
635 | ||
982dd1bd TP |
636 | strncpy(fe->ops.tuner_ops.info.name, desc->name, |
637 | sizeof(fe->ops.tuner_ops.info.name)); | |
dea74869 | 638 | fe->ops.tuner_ops.info.frequency_min = desc->min; |
0d84a62b | 639 | fe->ops.tuner_ops.info.frequency_max = desc->max; |
d519dcf6 TP |
640 | if (!desc->initdata) |
641 | fe->ops.tuner_ops.init = NULL; | |
642 | if (!desc->sleepdata) | |
643 | fe->ops.tuner_ops.sleep = NULL; | |
272bc4db AQ |
644 | |
645 | fe->tuner_priv = priv; | |
a27e5e76 | 646 | |
8528fa41 | 647 | if ((debug) || (id[priv->nr] == pll_desc_id)) { |
a27e5e76 MK |
648 | printk("dvb-pll[%d]", priv->nr); |
649 | if (i2c != NULL) | |
650 | printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); | |
704e39bf MK |
651 | printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, |
652 | id[priv->nr] == pll_desc_id ? | |
653 | "insmod option" : "autodetected"); | |
4562fbea | 654 | } |
a27e5e76 | 655 | |
2bfe031d | 656 | return fe; |
272bc4db AQ |
657 | } |
658 | EXPORT_SYMBOL(dvb_pll_attach); | |
659 | ||
1da177e4 LT |
660 | MODULE_DESCRIPTION("dvb pll library"); |
661 | MODULE_AUTHOR("Gerd Knorr"); | |
662 | MODULE_LICENSE("GPL"); |