diff options
-rw-r--r-- | drivers/media/tuners/Kconfig | 8 | ||||
-rw-r--r-- | drivers/media/tuners/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/tuners/m88rs6000t.c | 744 | ||||
-rw-r--r-- | drivers/media/tuners/m88rs6000t.h | 29 |
4 files changed, 782 insertions, 0 deletions
diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig index f039dc2a21cf..42e5a01b9192 100644 --- a/drivers/media/tuners/Kconfig +++ b/drivers/media/tuners/Kconfig | |||
@@ -232,6 +232,14 @@ config MEDIA_TUNER_M88TS2022 | |||
232 | help | 232 | help |
233 | Montage M88TS2022 silicon tuner driver. | 233 | Montage M88TS2022 silicon tuner driver. |
234 | 234 | ||
235 | config MEDIA_TUNER_M88RS6000T | ||
236 | tristate "Montage M88RS6000 internal tuner" | ||
237 | depends on MEDIA_SUPPORT && I2C | ||
238 | select REGMAP_I2C | ||
239 | default m if !MEDIA_SUBDRV_AUTOSELECT | ||
240 | help | ||
241 | Montage M88RS6000 internal tuner. | ||
242 | |||
235 | config MEDIA_TUNER_TUA9001 | 243 | config MEDIA_TUNER_TUA9001 |
236 | tristate "Infineon TUA 9001 silicon tuner" | 244 | tristate "Infineon TUA 9001 silicon tuner" |
237 | depends on MEDIA_SUPPORT && I2C | 245 | depends on MEDIA_SUPPORT && I2C |
diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile index 49fcf8033848..da4fe6ef73e7 100644 --- a/drivers/media/tuners/Makefile +++ b/drivers/media/tuners/Makefile | |||
@@ -41,6 +41,7 @@ obj-$(CONFIG_MEDIA_TUNER_IT913X) += it913x.o | |||
41 | obj-$(CONFIG_MEDIA_TUNER_R820T) += r820t.o | 41 | obj-$(CONFIG_MEDIA_TUNER_R820T) += r820t.o |
42 | obj-$(CONFIG_MEDIA_TUNER_MXL301RF) += mxl301rf.o | 42 | obj-$(CONFIG_MEDIA_TUNER_MXL301RF) += mxl301rf.o |
43 | obj-$(CONFIG_MEDIA_TUNER_QM1D1C0042) += qm1d1c0042.o | 43 | obj-$(CONFIG_MEDIA_TUNER_QM1D1C0042) += qm1d1c0042.o |
44 | obj-$(CONFIG_MEDIA_TUNER_M88RS6000T) += m88rs6000t.o | ||
44 | 45 | ||
45 | ccflags-y += -I$(srctree)/drivers/media/dvb-core | 46 | ccflags-y += -I$(srctree)/drivers/media/dvb-core |
46 | ccflags-y += -I$(srctree)/drivers/media/dvb-frontends | 47 | ccflags-y += -I$(srctree)/drivers/media/dvb-frontends |
diff --git a/drivers/media/tuners/m88rs6000t.c b/drivers/media/tuners/m88rs6000t.c new file mode 100644 index 000000000000..d4c13fe6e7b3 --- /dev/null +++ b/drivers/media/tuners/m88rs6000t.c | |||
@@ -0,0 +1,744 @@ | |||
1 | /* | ||
2 | * Driver for the internal tuner of Montage M88RS6000 | ||
3 | * | ||
4 | * Copyright (C) 2014 Max nibble <nibble.max@gmail.com> | ||
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 | |||
17 | #include "m88rs6000t.h" | ||
18 | #include <linux/regmap.h> | ||
19 | |||
20 | struct m88rs6000t_dev { | ||
21 | struct m88rs6000t_config cfg; | ||
22 | struct i2c_client *client; | ||
23 | struct regmap *regmap; | ||
24 | u32 frequency_khz; | ||
25 | }; | ||
26 | |||
27 | struct m88rs6000t_reg_val { | ||
28 | u8 reg; | ||
29 | u8 val; | ||
30 | }; | ||
31 | |||
32 | /* set demod main mclk and ts mclk */ | ||
33 | static int m88rs6000t_set_demod_mclk(struct dvb_frontend *fe) | ||
34 | { | ||
35 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
36 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | ||
37 | u8 reg11, reg15, reg16, reg1D, reg1E, reg1F; | ||
38 | u8 N, f0 = 0, f1 = 0, f2 = 0, f3 = 0; | ||
39 | u16 pll_div_fb; | ||
40 | u32 div, ts_mclk; | ||
41 | unsigned int utmp; | ||
42 | int ret; | ||
43 | |||
44 | /* select demod main mclk */ | ||
45 | ret = regmap_read(dev->regmap, 0x15, &utmp); | ||
46 | if (ret) | ||
47 | goto err; | ||
48 | reg15 = utmp; | ||
49 | if (c->symbol_rate > 45010000) { | ||
50 | reg11 = 0x0E; | ||
51 | reg15 |= 0x02; | ||
52 | reg16 = 115; /* mclk = 110.25MHz */ | ||
53 | } else { | ||
54 | reg11 = 0x0A; | ||
55 | reg15 &= ~0x02; | ||
56 | reg16 = 96; /* mclk = 96MHz */ | ||
57 | } | ||
58 | |||
59 | /* set ts mclk */ | ||
60 | if (c->delivery_system == SYS_DVBS) | ||
61 | ts_mclk = 96000; | ||
62 | else | ||
63 | ts_mclk = 144000; | ||
64 | |||
65 | pll_div_fb = (reg15 & 0x01) << 8; | ||
66 | pll_div_fb += reg16; | ||
67 | pll_div_fb += 32; | ||
68 | |||
69 | div = 36000 * pll_div_fb; | ||
70 | div /= ts_mclk; | ||
71 | |||
72 | if (div <= 32) { | ||
73 | N = 2; | ||
74 | f0 = 0; | ||
75 | f1 = div / 2; | ||
76 | f2 = div - f1; | ||
77 | f3 = 0; | ||
78 | } else if (div <= 48) { | ||
79 | N = 3; | ||
80 | f0 = div / 3; | ||
81 | f1 = (div - f0) / 2; | ||
82 | f2 = div - f0 - f1; | ||
83 | f3 = 0; | ||
84 | } else if (div <= 64) { | ||
85 | N = 4; | ||
86 | f0 = div / 4; | ||
87 | f1 = (div - f0) / 3; | ||
88 | f2 = (div - f0 - f1) / 2; | ||
89 | f3 = div - f0 - f1 - f2; | ||
90 | } else { | ||
91 | N = 4; | ||
92 | f0 = 16; | ||
93 | f1 = 16; | ||
94 | f2 = 16; | ||
95 | f3 = 16; | ||
96 | } | ||
97 | |||
98 | if (f0 == 16) | ||
99 | f0 = 0; | ||
100 | if (f1 == 16) | ||
101 | f1 = 0; | ||
102 | if (f2 == 16) | ||
103 | f2 = 0; | ||
104 | if (f3 == 16) | ||
105 | f3 = 0; | ||
106 | |||
107 | ret = regmap_read(dev->regmap, 0x1D, &utmp); | ||
108 | if (ret) | ||
109 | goto err; | ||
110 | reg1D = utmp; | ||
111 | reg1D &= ~0x03; | ||
112 | reg1D |= N - 1; | ||
113 | reg1E = ((f3 << 4) + f2) & 0xFF; | ||
114 | reg1F = ((f1 << 4) + f0) & 0xFF; | ||
115 | |||
116 | /* program and recalibrate demod PLL */ | ||
117 | ret = regmap_write(dev->regmap, 0x05, 0x40); | ||
118 | if (ret) | ||
119 | goto err; | ||
120 | ret = regmap_write(dev->regmap, 0x11, 0x08); | ||
121 | if (ret) | ||
122 | goto err; | ||
123 | ret = regmap_write(dev->regmap, 0x15, reg15); | ||
124 | if (ret) | ||
125 | goto err; | ||
126 | ret = regmap_write(dev->regmap, 0x16, reg16); | ||
127 | if (ret) | ||
128 | goto err; | ||
129 | ret = regmap_write(dev->regmap, 0x1D, reg1D); | ||
130 | if (ret) | ||
131 | goto err; | ||
132 | ret = regmap_write(dev->regmap, 0x1E, reg1E); | ||
133 | if (ret) | ||
134 | goto err; | ||
135 | ret = regmap_write(dev->regmap, 0x1F, reg1F); | ||
136 | if (ret) | ||
137 | goto err; | ||
138 | ret = regmap_write(dev->regmap, 0x17, 0xc1); | ||
139 | if (ret) | ||
140 | goto err; | ||
141 | ret = regmap_write(dev->regmap, 0x17, 0x81); | ||
142 | if (ret) | ||
143 | goto err; | ||
144 | usleep_range(5000, 50000); | ||
145 | ret = regmap_write(dev->regmap, 0x05, 0x00); | ||
146 | if (ret) | ||
147 | goto err; | ||
148 | ret = regmap_write(dev->regmap, 0x11, reg11); | ||
149 | if (ret) | ||
150 | goto err; | ||
151 | usleep_range(5000, 50000); | ||
152 | err: | ||
153 | if (ret) | ||
154 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); | ||
155 | return ret; | ||
156 | } | ||
157 | |||
158 | static int m88rs6000t_set_pll_freq(struct m88rs6000t_dev *dev, | ||
159 | u32 tuner_freq_MHz) | ||
160 | { | ||
161 | u32 fcry_KHz, ulNDiv1, ulNDiv2, ulNDiv; | ||
162 | u8 refDiv, ucLoDiv1, ucLomod1, ucLoDiv2, ucLomod2, ucLoDiv, ucLomod; | ||
163 | u8 reg27, reg29, reg42, reg42buf; | ||
164 | unsigned int utmp; | ||
165 | int ret; | ||
166 | |||
167 | fcry_KHz = 27000; /* in kHz */ | ||
168 | refDiv = 27; | ||
169 | |||
170 | ret = regmap_write(dev->regmap, 0x36, (refDiv - 8)); | ||
171 | if (ret) | ||
172 | goto err; | ||
173 | ret = regmap_write(dev->regmap, 0x31, 0x00); | ||
174 | if (ret) | ||
175 | goto err; | ||
176 | ret = regmap_write(dev->regmap, 0x2c, 0x02); | ||
177 | if (ret) | ||
178 | goto err; | ||
179 | |||
180 | if (tuner_freq_MHz >= 1550) { | ||
181 | ucLoDiv1 = 2; | ||
182 | ucLomod1 = 0; | ||
183 | ucLoDiv2 = 2; | ||
184 | ucLomod2 = 0; | ||
185 | } else if (tuner_freq_MHz >= 1380) { | ||
186 | ucLoDiv1 = 3; | ||
187 | ucLomod1 = 16; | ||
188 | ucLoDiv2 = 2; | ||
189 | ucLomod2 = 0; | ||
190 | } else if (tuner_freq_MHz >= 1070) { | ||
191 | ucLoDiv1 = 3; | ||
192 | ucLomod1 = 16; | ||
193 | ucLoDiv2 = 3; | ||
194 | ucLomod2 = 16; | ||
195 | } else if (tuner_freq_MHz >= 1000) { | ||
196 | ucLoDiv1 = 3; | ||
197 | ucLomod1 = 16; | ||
198 | ucLoDiv2 = 4; | ||
199 | ucLomod2 = 64; | ||
200 | } else if (tuner_freq_MHz >= 775) { | ||
201 | ucLoDiv1 = 4; | ||
202 | ucLomod1 = 64; | ||
203 | ucLoDiv2 = 4; | ||
204 | ucLomod2 = 64; | ||
205 | } else if (tuner_freq_MHz >= 700) { | ||
206 | ucLoDiv1 = 6; | ||
207 | ucLomod1 = 48; | ||
208 | ucLoDiv2 = 4; | ||
209 | ucLomod2 = 64; | ||
210 | } else if (tuner_freq_MHz >= 520) { | ||
211 | ucLoDiv1 = 6; | ||
212 | ucLomod1 = 48; | ||
213 | ucLoDiv2 = 6; | ||
214 | ucLomod2 = 48; | ||
215 | } else { | ||
216 | ucLoDiv1 = 8; | ||
217 | ucLomod1 = 96; | ||
218 | ucLoDiv2 = 8; | ||
219 | ucLomod2 = 96; | ||
220 | } | ||
221 | |||
222 | ulNDiv1 = ((tuner_freq_MHz * ucLoDiv1 * 1000) * refDiv | ||
223 | / fcry_KHz - 1024) / 2; | ||
224 | ulNDiv2 = ((tuner_freq_MHz * ucLoDiv2 * 1000) * refDiv | ||
225 | / fcry_KHz - 1024) / 2; | ||
226 | |||
227 | reg27 = (((ulNDiv1 >> 8) & 0x0F) + ucLomod1) & 0x7F; | ||
228 | ret = regmap_write(dev->regmap, 0x27, reg27); | ||
229 | if (ret) | ||
230 | goto err; | ||
231 | ret = regmap_write(dev->regmap, 0x28, (u8)(ulNDiv1 & 0xFF)); | ||
232 | if (ret) | ||
233 | goto err; | ||
234 | reg29 = (((ulNDiv2 >> 8) & 0x0F) + ucLomod2) & 0x7f; | ||
235 | ret = regmap_write(dev->regmap, 0x29, reg29); | ||
236 | if (ret) | ||
237 | goto err; | ||
238 | ret = regmap_write(dev->regmap, 0x2a, (u8)(ulNDiv2 & 0xFF)); | ||
239 | if (ret) | ||
240 | goto err; | ||
241 | ret = regmap_write(dev->regmap, 0x2F, 0xf5); | ||
242 | if (ret) | ||
243 | goto err; | ||
244 | ret = regmap_write(dev->regmap, 0x30, 0x05); | ||
245 | if (ret) | ||
246 | goto err; | ||
247 | ret = regmap_write(dev->regmap, 0x08, 0x1f); | ||
248 | if (ret) | ||
249 | goto err; | ||
250 | ret = regmap_write(dev->regmap, 0x08, 0x3f); | ||
251 | if (ret) | ||
252 | goto err; | ||
253 | ret = regmap_write(dev->regmap, 0x09, 0x20); | ||
254 | if (ret) | ||
255 | goto err; | ||
256 | ret = regmap_write(dev->regmap, 0x09, 0x00); | ||
257 | if (ret) | ||
258 | goto err; | ||
259 | ret = regmap_write(dev->regmap, 0x3e, 0x11); | ||
260 | if (ret) | ||
261 | goto err; | ||
262 | ret = regmap_write(dev->regmap, 0x08, 0x2f); | ||
263 | if (ret) | ||
264 | goto err; | ||
265 | ret = regmap_write(dev->regmap, 0x08, 0x3f); | ||
266 | if (ret) | ||
267 | goto err; | ||
268 | ret = regmap_write(dev->regmap, 0x09, 0x10); | ||
269 | if (ret) | ||
270 | goto err; | ||
271 | ret = regmap_write(dev->regmap, 0x09, 0x00); | ||
272 | if (ret) | ||
273 | goto err; | ||
274 | usleep_range(2000, 50000); | ||
275 | |||
276 | ret = regmap_read(dev->regmap, 0x42, &utmp); | ||
277 | if (ret) | ||
278 | goto err; | ||
279 | reg42 = utmp; | ||
280 | |||
281 | ret = regmap_write(dev->regmap, 0x3e, 0x10); | ||
282 | if (ret) | ||
283 | goto err; | ||
284 | ret = regmap_write(dev->regmap, 0x08, 0x2f); | ||
285 | if (ret) | ||
286 | goto err; | ||
287 | ret = regmap_write(dev->regmap, 0x08, 0x3f); | ||
288 | if (ret) | ||
289 | goto err; | ||
290 | ret = regmap_write(dev->regmap, 0x09, 0x10); | ||
291 | if (ret) | ||
292 | goto err; | ||
293 | ret = regmap_write(dev->regmap, 0x09, 0x00); | ||
294 | if (ret) | ||
295 | goto err; | ||
296 | usleep_range(2000, 50000); | ||
297 | |||
298 | ret = regmap_read(dev->regmap, 0x42, &utmp); | ||
299 | if (ret) | ||
300 | goto err; | ||
301 | reg42buf = utmp; | ||
302 | if (reg42buf < reg42) { | ||
303 | ret = regmap_write(dev->regmap, 0x3e, 0x11); | ||
304 | if (ret) | ||
305 | goto err; | ||
306 | } | ||
307 | usleep_range(5000, 50000); | ||
308 | |||
309 | ret = regmap_read(dev->regmap, 0x2d, &utmp); | ||
310 | if (ret) | ||
311 | goto err; | ||
312 | ret = regmap_write(dev->regmap, 0x2d, utmp); | ||
313 | if (ret) | ||
314 | goto err; | ||
315 | ret = regmap_read(dev->regmap, 0x2e, &utmp); | ||
316 | if (ret) | ||
317 | goto err; | ||
318 | ret = regmap_write(dev->regmap, 0x2e, utmp); | ||
319 | if (ret) | ||
320 | goto err; | ||
321 | |||
322 | ret = regmap_read(dev->regmap, 0x27, &utmp); | ||
323 | if (ret) | ||
324 | goto err; | ||
325 | reg27 = utmp & 0x70; | ||
326 | ret = regmap_read(dev->regmap, 0x83, &utmp); | ||
327 | if (ret) | ||
328 | goto err; | ||
329 | if (reg27 == (utmp & 0x70)) { | ||
330 | ucLoDiv = ucLoDiv1; | ||
331 | ulNDiv = ulNDiv1; | ||
332 | ucLomod = ucLomod1 / 16; | ||
333 | } else { | ||
334 | ucLoDiv = ucLoDiv2; | ||
335 | ulNDiv = ulNDiv2; | ||
336 | ucLomod = ucLomod2 / 16; | ||
337 | } | ||
338 | |||
339 | if ((ucLoDiv == 3) || (ucLoDiv == 6)) { | ||
340 | refDiv = 18; | ||
341 | ret = regmap_write(dev->regmap, 0x36, (refDiv - 8)); | ||
342 | if (ret) | ||
343 | goto err; | ||
344 | ulNDiv = ((tuner_freq_MHz * ucLoDiv * 1000) * refDiv | ||
345 | / fcry_KHz - 1024) / 2; | ||
346 | } | ||
347 | |||
348 | reg27 = (0x80 + ((ucLomod << 4) & 0x70) | ||
349 | + ((ulNDiv >> 8) & 0x0F)) & 0xFF; | ||
350 | ret = regmap_write(dev->regmap, 0x27, reg27); | ||
351 | if (ret) | ||
352 | goto err; | ||
353 | ret = regmap_write(dev->regmap, 0x28, (u8)(ulNDiv & 0xFF)); | ||
354 | if (ret) | ||
355 | goto err; | ||
356 | ret = regmap_write(dev->regmap, 0x29, 0x80); | ||
357 | if (ret) | ||
358 | goto err; | ||
359 | ret = regmap_write(dev->regmap, 0x31, 0x03); | ||
360 | if (ret) | ||
361 | goto err; | ||
362 | |||
363 | if (ucLoDiv == 3) | ||
364 | utmp = 0xCE; | ||
365 | else | ||
366 | utmp = 0x8A; | ||
367 | ret = regmap_write(dev->regmap, 0x3b, utmp); | ||
368 | if (ret) | ||
369 | goto err; | ||
370 | |||
371 | dev->frequency_khz = fcry_KHz * (ulNDiv * 2 + 1024) / refDiv / ucLoDiv; | ||
372 | |||
373 | dev_dbg(&dev->client->dev, | ||
374 | "actual tune frequency=%d\n", dev->frequency_khz); | ||
375 | err: | ||
376 | if (ret) | ||
377 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); | ||
378 | return ret; | ||
379 | } | ||
380 | |||
381 | static int m88rs6000t_set_bb(struct m88rs6000t_dev *dev, | ||
382 | u32 symbol_rate_KSs, s32 lpf_offset_KHz) | ||
383 | { | ||
384 | u32 f3dB; | ||
385 | u8 reg40; | ||
386 | |||
387 | f3dB = symbol_rate_KSs * 9 / 14 + 2000; | ||
388 | f3dB += lpf_offset_KHz; | ||
389 | f3dB = clamp_val(f3dB, 6000U, 43000U); | ||
390 | reg40 = f3dB / 1000; | ||
391 | return regmap_write(dev->regmap, 0x40, reg40); | ||
392 | } | ||
393 | |||
394 | static int m88rs6000t_set_params(struct dvb_frontend *fe) | ||
395 | { | ||
396 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
397 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | ||
398 | int ret; | ||
399 | s32 lpf_offset_KHz; | ||
400 | u32 realFreq, freq_MHz; | ||
401 | |||
402 | dev_dbg(&dev->client->dev, | ||
403 | "frequency=%d symbol_rate=%d\n", | ||
404 | c->frequency, c->symbol_rate); | ||
405 | |||
406 | if (c->symbol_rate < 5000000) | ||
407 | lpf_offset_KHz = 3000; | ||
408 | else | ||
409 | lpf_offset_KHz = 0; | ||
410 | |||
411 | realFreq = c->frequency + lpf_offset_KHz; | ||
412 | /* set tuner pll.*/ | ||
413 | freq_MHz = (realFreq + 500) / 1000; | ||
414 | ret = m88rs6000t_set_pll_freq(dev, freq_MHz); | ||
415 | if (ret) | ||
416 | goto err; | ||
417 | ret = m88rs6000t_set_bb(dev, c->symbol_rate / 1000, lpf_offset_KHz); | ||
418 | if (ret) | ||
419 | goto err; | ||
420 | ret = regmap_write(dev->regmap, 0x00, 0x01); | ||
421 | if (ret) | ||
422 | goto err; | ||
423 | ret = regmap_write(dev->regmap, 0x00, 0x00); | ||
424 | if (ret) | ||
425 | goto err; | ||
426 | /* set demod mlck */ | ||
427 | ret = m88rs6000t_set_demod_mclk(fe); | ||
428 | err: | ||
429 | if (ret) | ||
430 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); | ||
431 | return ret; | ||
432 | } | ||
433 | |||
434 | static int m88rs6000t_init(struct dvb_frontend *fe) | ||
435 | { | ||
436 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
437 | int ret; | ||
438 | |||
439 | dev_dbg(&dev->client->dev, "%s:\n", __func__); | ||
440 | |||
441 | ret = regmap_update_bits(dev->regmap, 0x11, 0x08, 0x08); | ||
442 | if (ret) | ||
443 | goto err; | ||
444 | usleep_range(5000, 50000); | ||
445 | ret = regmap_update_bits(dev->regmap, 0x10, 0x01, 0x01); | ||
446 | if (ret) | ||
447 | goto err; | ||
448 | usleep_range(10000, 50000); | ||
449 | ret = regmap_write(dev->regmap, 0x07, 0x7d); | ||
450 | err: | ||
451 | if (ret) | ||
452 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); | ||
453 | return ret; | ||
454 | } | ||
455 | |||
456 | static int m88rs6000t_sleep(struct dvb_frontend *fe) | ||
457 | { | ||
458 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
459 | int ret; | ||
460 | |||
461 | dev_dbg(&dev->client->dev, "%s:\n", __func__); | ||
462 | |||
463 | ret = regmap_write(dev->regmap, 0x07, 0x6d); | ||
464 | if (ret) | ||
465 | goto err; | ||
466 | usleep_range(5000, 10000); | ||
467 | err: | ||
468 | if (ret) | ||
469 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); | ||
470 | return ret; | ||
471 | } | ||
472 | |||
473 | static int m88rs6000t_get_frequency(struct dvb_frontend *fe, u32 *frequency) | ||
474 | { | ||
475 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
476 | |||
477 | dev_dbg(&dev->client->dev, "\n"); | ||
478 | |||
479 | *frequency = dev->frequency_khz; | ||
480 | return 0; | ||
481 | } | ||
482 | |||
483 | static int m88rs6000t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) | ||
484 | { | ||
485 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
486 | |||
487 | dev_dbg(&dev->client->dev, "\n"); | ||
488 | |||
489 | *frequency = 0; /* Zero-IF */ | ||
490 | return 0; | ||
491 | } | ||
492 | |||
493 | |||
494 | static int m88rs6000t_get_rf_strength(struct dvb_frontend *fe, u16 *strength) | ||
495 | { | ||
496 | struct m88rs6000t_dev *dev = fe->tuner_priv; | ||
497 | unsigned int val, i; | ||
498 | int ret; | ||
499 | u16 gain; | ||
500 | u32 PGA2_cri_GS = 46, PGA2_crf_GS = 290, TIA_GS = 290; | ||
501 | u32 RF_GC = 1200, IF_GC = 1100, BB_GC = 300; | ||
502 | u32 PGA2_GC = 300, TIA_GC = 300, PGA2_cri = 0, PGA2_crf = 0; | ||
503 | u32 RFG = 0, IFG = 0, BBG = 0, PGA2G = 0, TIAG = 0; | ||
504 | u32 RFGS[13] = {0, 245, 266, 268, 270, 285, | ||
505 | 298, 295, 283, 285, 285, 300, 300}; | ||
506 | u32 IFGS[12] = {0, 300, 230, 270, 270, 285, | ||
507 | 295, 285, 290, 295, 295, 310}; | ||
508 | u32 BBGS[14] = {0, 286, 275, 290, 294, 300, 290, | ||
509 | 290, 285, 283, 260, 295, 290, 260}; | ||
510 | |||
511 | ret = regmap_read(dev->regmap, 0x5A, &val); | ||
512 | if (ret) | ||
513 | goto err; | ||
514 | RF_GC = val & 0x0f; | ||
515 | |||
516 | ret = regmap_read(dev->regmap, 0x5F, &val); | ||
517 | if (ret) | ||
518 | goto err; | ||
519 | IF_GC = val & 0x0f; | ||
520 | |||
521 | ret = regmap_read(dev->regmap, 0x3F, &val); | ||
522 | if (ret) | ||
523 | goto err; | ||
524 | TIA_GC = (val >> 4) & 0x07; | ||
525 | |||
526 | ret = regmap_read(dev->regmap, 0x77, &val); | ||
527 | if (ret) | ||
528 | goto err; | ||
529 | BB_GC = (val >> 4) & 0x0f; | ||
530 | |||
531 | ret = regmap_read(dev->regmap, 0x76, &val); | ||
532 | if (ret) | ||
533 | goto err; | ||
534 | PGA2_GC = val & 0x3f; | ||
535 | PGA2_cri = PGA2_GC >> 2; | ||
536 | PGA2_crf = PGA2_GC & 0x03; | ||
537 | |||
538 | for (i = 0; i <= RF_GC; i++) | ||
539 | RFG += RFGS[i]; | ||
540 | |||
541 | if (RF_GC == 0) | ||
542 | RFG += 400; | ||
543 | if (RF_GC == 1) | ||
544 | RFG += 300; | ||
545 | if (RF_GC == 2) | ||
546 | RFG += 200; | ||
547 | if (RF_GC == 3) | ||
548 | RFG += 100; | ||
549 | |||
550 | for (i = 0; i <= IF_GC; i++) | ||
551 | IFG += IFGS[i]; | ||
552 | |||
553 | TIAG = TIA_GC * TIA_GS; | ||
554 | |||
555 | for (i = 0; i <= BB_GC; i++) | ||
556 | BBG += BBGS[i]; | ||
557 | |||
558 | PGA2G = PGA2_cri * PGA2_cri_GS + PGA2_crf * PGA2_crf_GS; | ||
559 | |||
560 | gain = RFG + IFG - TIAG + BBG + PGA2G; | ||
561 | |||
562 | /* scale value to 0x0000-0xffff */ | ||
563 | gain = clamp_val(gain, 1000U, 10500U); | ||
564 | *strength = (10500 - gain) * 0xffff / (10500 - 1000); | ||
565 | err: | ||
566 | if (ret) | ||
567 | dev_dbg(&dev->client->dev, "failed=%d\n", ret); | ||
568 | return ret; | ||
569 | } | ||
570 | |||
571 | static const struct dvb_tuner_ops m88rs6000t_tuner_ops = { | ||
572 | .info = { | ||
573 | .name = "Montage M88RS6000 Internal Tuner", | ||
574 | .frequency_min = 950000, | ||
575 | .frequency_max = 2150000, | ||
576 | }, | ||
577 | |||
578 | .init = m88rs6000t_init, | ||
579 | .sleep = m88rs6000t_sleep, | ||
580 | .set_params = m88rs6000t_set_params, | ||
581 | .get_frequency = m88rs6000t_get_frequency, | ||
582 | .get_if_frequency = m88rs6000t_get_if_frequency, | ||
583 | .get_rf_strength = m88rs6000t_get_rf_strength, | ||
584 | }; | ||
585 | |||
586 | static int m88rs6000t_probe(struct i2c_client *client, | ||
587 | const struct i2c_device_id *id) | ||
588 | { | ||
589 | struct m88rs6000t_config *cfg = client->dev.platform_data; | ||
590 | struct dvb_frontend *fe = cfg->fe; | ||
591 | struct m88rs6000t_dev *dev; | ||
592 | int ret, i; | ||
593 | unsigned int utmp; | ||
594 | static const struct regmap_config regmap_config = { | ||
595 | .reg_bits = 8, | ||
596 | .val_bits = 8, | ||
597 | }; | ||
598 | static const struct m88rs6000t_reg_val reg_vals[] = { | ||
599 | {0x10, 0xfb}, | ||
600 | {0x24, 0x38}, | ||
601 | {0x11, 0x0a}, | ||
602 | {0x12, 0x00}, | ||
603 | {0x2b, 0x1c}, | ||
604 | {0x44, 0x48}, | ||
605 | {0x54, 0x24}, | ||
606 | {0x55, 0x06}, | ||
607 | {0x59, 0x00}, | ||
608 | {0x5b, 0x4c}, | ||
609 | {0x60, 0x8b}, | ||
610 | {0x61, 0xf4}, | ||
611 | {0x65, 0x07}, | ||
612 | {0x6d, 0x6f}, | ||
613 | {0x6e, 0x31}, | ||
614 | {0x3c, 0xf3}, | ||
615 | {0x37, 0x0f}, | ||
616 | {0x48, 0x28}, | ||
617 | {0x49, 0xd8}, | ||
618 | {0x70, 0x66}, | ||
619 | {0x71, 0xCF}, | ||
620 | {0x72, 0x81}, | ||
621 | {0x73, 0xA7}, | ||
622 | {0x74, 0x4F}, | ||
623 | {0x75, 0xFC}, | ||
624 | }; | ||
625 | |||
626 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | ||
627 | if (!dev) { | ||
628 | ret = -ENOMEM; | ||
629 | dev_err(&client->dev, "kzalloc() failed\n"); | ||
630 | goto err; | ||
631 | } | ||
632 | |||
633 | memcpy(&dev->cfg, cfg, sizeof(struct m88rs6000t_config)); | ||
634 | dev->client = client; | ||
635 | dev->regmap = devm_regmap_init_i2c(client, ®map_config); | ||
636 | if (IS_ERR(dev->regmap)) { | ||
637 | ret = PTR_ERR(dev->regmap); | ||
638 | goto err; | ||
639 | } | ||
640 | |||
641 | ret = regmap_update_bits(dev->regmap, 0x11, 0x08, 0x08); | ||
642 | if (ret) | ||
643 | goto err; | ||
644 | usleep_range(5000, 50000); | ||
645 | ret = regmap_update_bits(dev->regmap, 0x10, 0x01, 0x01); | ||
646 | if (ret) | ||
647 | goto err; | ||
648 | usleep_range(10000, 50000); | ||
649 | ret = regmap_write(dev->regmap, 0x07, 0x7d); | ||
650 | if (ret) | ||
651 | goto err; | ||
652 | ret = regmap_write(dev->regmap, 0x04, 0x01); | ||
653 | if (ret) | ||
654 | goto err; | ||
655 | |||
656 | /* check tuner chip id */ | ||
657 | ret = regmap_read(dev->regmap, 0x01, &utmp); | ||
658 | if (ret) | ||
659 | goto err; | ||
660 | dev_info(&dev->client->dev, "chip_id=%02x\n", utmp); | ||
661 | if (utmp != 0x64) { | ||
662 | ret = -ENODEV; | ||
663 | goto err; | ||
664 | } | ||
665 | |||
666 | /* tuner init. */ | ||
667 | ret = regmap_write(dev->regmap, 0x05, 0x40); | ||
668 | if (ret) | ||
669 | goto err; | ||
670 | ret = regmap_write(dev->regmap, 0x11, 0x08); | ||
671 | if (ret) | ||
672 | goto err; | ||
673 | ret = regmap_write(dev->regmap, 0x15, 0x6c); | ||
674 | if (ret) | ||
675 | goto err; | ||
676 | ret = regmap_write(dev->regmap, 0x17, 0xc1); | ||
677 | if (ret) | ||
678 | goto err; | ||
679 | ret = regmap_write(dev->regmap, 0x17, 0x81); | ||
680 | if (ret) | ||
681 | goto err; | ||
682 | usleep_range(10000, 50000); | ||
683 | ret = regmap_write(dev->regmap, 0x05, 0x00); | ||
684 | if (ret) | ||
685 | goto err; | ||
686 | ret = regmap_write(dev->regmap, 0x11, 0x0a); | ||
687 | if (ret) | ||
688 | goto err; | ||
689 | |||
690 | for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { | ||
691 | ret = regmap_write(dev->regmap, | ||
692 | reg_vals[i].reg, reg_vals[i].val); | ||
693 | if (ret) | ||
694 | goto err; | ||
695 | } | ||
696 | |||
697 | dev_info(&dev->client->dev, "Montage M88RS6000 internal tuner successfully identified\n"); | ||
698 | |||
699 | fe->tuner_priv = dev; | ||
700 | memcpy(&fe->ops.tuner_ops, &m88rs6000t_tuner_ops, | ||
701 | sizeof(struct dvb_tuner_ops)); | ||
702 | i2c_set_clientdata(client, dev); | ||
703 | return 0; | ||
704 | err: | ||
705 | dev_dbg(&client->dev, "failed=%d\n", ret); | ||
706 | kfree(dev); | ||
707 | return ret; | ||
708 | } | ||
709 | |||
710 | static int m88rs6000t_remove(struct i2c_client *client) | ||
711 | { | ||
712 | struct m88rs6000t_dev *dev = i2c_get_clientdata(client); | ||
713 | struct dvb_frontend *fe = dev->cfg.fe; | ||
714 | |||
715 | dev_dbg(&client->dev, "\n"); | ||
716 | |||
717 | memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); | ||
718 | fe->tuner_priv = NULL; | ||
719 | kfree(dev); | ||
720 | |||
721 | return 0; | ||
722 | } | ||
723 | |||
724 | static const struct i2c_device_id m88rs6000t_id[] = { | ||
725 | {"m88rs6000t", 0}, | ||
726 | {} | ||
727 | }; | ||
728 | MODULE_DEVICE_TABLE(i2c, m88rs6000t_id); | ||
729 | |||
730 | static struct i2c_driver m88rs6000t_driver = { | ||
731 | .driver = { | ||
732 | .owner = THIS_MODULE, | ||
733 | .name = "m88rs6000t", | ||
734 | }, | ||
735 | .probe = m88rs6000t_probe, | ||
736 | .remove = m88rs6000t_remove, | ||
737 | .id_table = m88rs6000t_id, | ||
738 | }; | ||
739 | |||
740 | module_i2c_driver(m88rs6000t_driver); | ||
741 | |||
742 | MODULE_AUTHOR("Max nibble <nibble.max@gmail.com>"); | ||
743 | MODULE_DESCRIPTION("Montage M88RS6000 internal tuner driver"); | ||
744 | MODULE_LICENSE("GPL"); | ||
diff --git a/drivers/media/tuners/m88rs6000t.h b/drivers/media/tuners/m88rs6000t.h new file mode 100644 index 000000000000..264c13e2cd39 --- /dev/null +++ b/drivers/media/tuners/m88rs6000t.h | |||
@@ -0,0 +1,29 @@ | |||
1 | /* | ||
2 | * Driver for the internal tuner of Montage M88RS6000 | ||
3 | * | ||
4 | * Copyright (C) 2014 Max nibble <nibble.max@gmail.com> | ||
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 | |||
17 | #ifndef _M88RS6000T_H_ | ||
18 | #define _M88RS6000T_H_ | ||
19 | |||
20 | #include "dvb_frontend.h" | ||
21 | |||
22 | struct m88rs6000t_config { | ||
23 | /* | ||
24 | * pointer to DVB frontend | ||
25 | */ | ||
26 | struct dvb_frontend *fe; | ||
27 | }; | ||
28 | |||
29 | #endif | ||