]>
Commit | Line | Data |
---|---|---|
e8783950 RM |
1 | /* |
2 | * tda18271c2dd: Driver for the TDA18271C2 tuner | |
3 | * | |
4 | * Copyright (C) 2010 Digital Devices GmbH | |
5 | * | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * version 2 only, as published by the Free Software Foundation. | |
10 | * | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
bcb63314 SA |
17 | * To obtain the license, point your browser to |
18 | * http://www.gnu.org/copyleft/gpl.html | |
e8783950 RM |
19 | */ |
20 | ||
21 | #include <linux/kernel.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/moduleparam.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/delay.h> | |
26 | #include <linux/firmware.h> | |
27 | #include <linux/i2c.h> | |
e8783950 RM |
28 | #include <asm/div64.h> |
29 | ||
30 | #include "dvb_frontend.h" | |
4e373217 | 31 | #include "tda18271c2dd.h" |
e8783950 | 32 | |
8393796d MCC |
33 | /* Max transfer size done by I2C transfer functions */ |
34 | #define MAX_XFER_SIZE 64 | |
35 | ||
e8783950 RM |
36 | struct SStandardParam { |
37 | s32 m_IFFrequency; | |
38 | u32 m_BandWidth; | |
39 | u8 m_EP3_4_0; | |
40 | u8 m_EB22; | |
41 | }; | |
42 | ||
43 | struct SMap { | |
44 | u32 m_Frequency; | |
45 | u8 m_Param; | |
46 | }; | |
47 | ||
48 | struct SMapI { | |
49 | u32 m_Frequency; | |
50 | s32 m_Param; | |
51 | }; | |
52 | ||
53 | struct SMap2 { | |
54 | u32 m_Frequency; | |
55 | u8 m_Param1; | |
56 | u8 m_Param2; | |
57 | }; | |
58 | ||
59 | struct SRFBandMap { | |
60 | u32 m_RF_max; | |
61 | u32 m_RF1_Default; | |
62 | u32 m_RF2_Default; | |
63 | u32 m_RF3_Default; | |
64 | }; | |
65 | ||
0fe44629 | 66 | enum ERegister { |
e8783950 RM |
67 | ID = 0, |
68 | TM, | |
69 | PL, | |
70 | EP1, EP2, EP3, EP4, EP5, | |
71 | CPD, CD1, CD2, CD3, | |
72 | MPD, MD1, MD2, MD3, | |
73 | EB1, EB2, EB3, EB4, EB5, EB6, EB7, EB8, EB9, EB10, | |
74 | EB11, EB12, EB13, EB14, EB15, EB16, EB17, EB18, EB19, EB20, | |
75 | EB21, EB22, EB23, | |
76 | NUM_REGS | |
77 | }; | |
78 | ||
79 | struct tda_state { | |
80 | struct i2c_adapter *i2c; | |
81 | u8 adr; | |
82 | ||
83 | u32 m_Frequency; | |
84 | u32 IF; | |
85 | ||
86 | u8 m_IFLevelAnalog; | |
87 | u8 m_IFLevelDigital; | |
88 | u8 m_IFLevelDVBC; | |
89 | u8 m_IFLevelDVBT; | |
90 | ||
91 | u8 m_EP4; | |
92 | u8 m_EP3_Standby; | |
93 | ||
94 | bool m_bMaster; | |
95 | ||
96 | s32 m_SettlingTime; | |
97 | ||
98 | u8 m_Regs[NUM_REGS]; | |
99 | ||
100 | /* Tracking filter settings for band 0..6 */ | |
101 | u32 m_RF1[7]; | |
102 | s32 m_RF_A1[7]; | |
103 | s32 m_RF_B1[7]; | |
104 | u32 m_RF2[7]; | |
105 | s32 m_RF_A2[7]; | |
106 | s32 m_RF_B2[7]; | |
107 | u32 m_RF3[7]; | |
108 | ||
109 | u8 m_TMValue_RFCal; /* Calibration temperatur */ | |
110 | ||
111 | bool m_bFMInput; /* true to use Pin 8 for FM Radio */ | |
112 | ||
113 | }; | |
114 | ||
115 | static int PowerScan(struct tda_state *state, | |
0fe44629 OE |
116 | u8 RFBand, u32 RF_in, |
117 | u32 *pRF_Out, bool *pbcal); | |
e8783950 RM |
118 | |
119 | static int i2c_readn(struct i2c_adapter *adapter, u8 adr, u8 *data, int len) | |
120 | { | |
121 | struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD, | |
0fe44629 | 122 | .buf = data, .len = len} }; |
e8783950 RM |
123 | return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; |
124 | } | |
125 | ||
126 | static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len) | |
127 | { | |
128 | struct i2c_msg msg = {.addr = adr, .flags = 0, | |
129 | .buf = data, .len = len}; | |
130 | ||
131 | if (i2c_transfer(adap, &msg, 1) != 1) { | |
f3d40bd0 | 132 | printk(KERN_ERR "tda18271c2dd: i2c write error at addr %i\n", adr); |
e8783950 RM |
133 | return -1; |
134 | } | |
135 | return 0; | |
136 | } | |
137 | ||
138 | static int WriteRegs(struct tda_state *state, | |
139 | u8 SubAddr, u8 *Regs, u16 nRegs) | |
140 | { | |
8393796d MCC |
141 | u8 data[MAX_XFER_SIZE]; |
142 | ||
143 | if (1 + nRegs > sizeof(data)) { | |
144 | printk(KERN_WARNING | |
145 | "%s: i2c wr: len=%d is too big!\n", | |
146 | KBUILD_MODNAME, nRegs); | |
147 | return -EINVAL; | |
148 | } | |
e8783950 RM |
149 | |
150 | data[0] = SubAddr; | |
151 | memcpy(data + 1, Regs, nRegs); | |
8393796d | 152 | return i2c_write(state->i2c, state->adr, data, nRegs + 1); |
e8783950 RM |
153 | } |
154 | ||
0fe44629 | 155 | static int WriteReg(struct tda_state *state, u8 SubAddr, u8 Reg) |
e8783950 RM |
156 | { |
157 | u8 msg[2] = {SubAddr, Reg}; | |
158 | ||
159 | return i2c_write(state->i2c, state->adr, msg, 2); | |
160 | } | |
161 | ||
162 | static int Read(struct tda_state *state, u8 * Regs) | |
163 | { | |
164 | return i2c_readn(state->i2c, state->adr, Regs, 16); | |
165 | } | |
166 | ||
167 | static int ReadExtented(struct tda_state *state, u8 * Regs) | |
168 | { | |
169 | return i2c_readn(state->i2c, state->adr, Regs, NUM_REGS); | |
170 | } | |
171 | ||
0fe44629 | 172 | static int UpdateRegs(struct tda_state *state, u8 RegFrom, u8 RegTo) |
e8783950 RM |
173 | { |
174 | return WriteRegs(state, RegFrom, | |
175 | &state->m_Regs[RegFrom], RegTo-RegFrom+1); | |
176 | } | |
177 | static int UpdateReg(struct tda_state *state, u8 Reg) | |
178 | { | |
0fe44629 | 179 | return WriteReg(state, Reg, state->m_Regs[Reg]); |
e8783950 RM |
180 | } |
181 | ||
182 | #include "tda18271c2dd_maps.h" | |
183 | ||
e8783950 RM |
184 | static void reset(struct tda_state *state) |
185 | { | |
186 | u32 ulIFLevelAnalog = 0; | |
187 | u32 ulIFLevelDigital = 2; | |
188 | u32 ulIFLevelDVBC = 7; | |
189 | u32 ulIFLevelDVBT = 6; | |
190 | u32 ulXTOut = 0; | |
0fe44629 | 191 | u32 ulStandbyMode = 0x06; /* Send in stdb, but leave osc on */ |
e8783950 RM |
192 | u32 ulSlave = 0; |
193 | u32 ulFMInput = 0; | |
194 | u32 ulSettlingTime = 100; | |
195 | ||
196 | state->m_Frequency = 0; | |
197 | state->m_SettlingTime = 100; | |
198 | state->m_IFLevelAnalog = (ulIFLevelAnalog & 0x07) << 2; | |
199 | state->m_IFLevelDigital = (ulIFLevelDigital & 0x07) << 2; | |
200 | state->m_IFLevelDVBC = (ulIFLevelDVBC & 0x07) << 2; | |
201 | state->m_IFLevelDVBT = (ulIFLevelDVBT & 0x07) << 2; | |
202 | ||
203 | state->m_EP4 = 0x20; | |
0fe44629 OE |
204 | if (ulXTOut != 0) |
205 | state->m_EP4 |= 0x40; | |
e8783950 RM |
206 | |
207 | state->m_EP3_Standby = ((ulStandbyMode & 0x07) << 5) | 0x0F; | |
208 | state->m_bMaster = (ulSlave == 0); | |
209 | ||
210 | state->m_SettlingTime = ulSettlingTime; | |
211 | ||
212 | state->m_bFMInput = (ulFMInput == 2); | |
213 | } | |
214 | ||
215 | static bool SearchMap1(struct SMap Map[], | |
216 | u32 Frequency, u8 *pParam) | |
217 | { | |
218 | int i = 0; | |
219 | ||
0fe44629 | 220 | while ((Map[i].m_Frequency != 0) && (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
221 | i += 1; |
222 | if (Map[i].m_Frequency == 0) | |
223 | return false; | |
224 | *pParam = Map[i].m_Param; | |
225 | return true; | |
226 | } | |
227 | ||
228 | static bool SearchMap2(struct SMapI Map[], | |
229 | u32 Frequency, s32 *pParam) | |
230 | { | |
231 | int i = 0; | |
232 | ||
233 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 234 | (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
235 | i += 1; |
236 | if (Map[i].m_Frequency == 0) | |
237 | return false; | |
238 | *pParam = Map[i].m_Param; | |
239 | return true; | |
240 | } | |
241 | ||
0fe44629 | 242 | static bool SearchMap3(struct SMap2 Map[], u32 Frequency, |
e8783950 RM |
243 | u8 *pParam1, u8 *pParam2) |
244 | { | |
245 | int i = 0; | |
246 | ||
247 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 248 | (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
249 | i += 1; |
250 | if (Map[i].m_Frequency == 0) | |
251 | return false; | |
252 | *pParam1 = Map[i].m_Param1; | |
253 | *pParam2 = Map[i].m_Param2; | |
254 | return true; | |
255 | } | |
256 | ||
257 | static bool SearchMap4(struct SRFBandMap Map[], | |
258 | u32 Frequency, u8 *pRFBand) | |
259 | { | |
260 | int i = 0; | |
261 | ||
262 | while (i < 7 && (Frequency > Map[i].m_RF_max)) | |
263 | i += 1; | |
264 | if (i == 7) | |
265 | return false; | |
266 | *pRFBand = i; | |
267 | return true; | |
268 | } | |
269 | ||
270 | static int ThermometerRead(struct tda_state *state, u8 *pTM_Value) | |
271 | { | |
272 | int status = 0; | |
273 | ||
274 | do { | |
275 | u8 Regs[16]; | |
276 | state->m_Regs[TM] |= 0x10; | |
469ffe08 MCC |
277 | status = UpdateReg(state, TM); |
278 | if (status < 0) | |
279 | break; | |
280 | status = Read(state, Regs); | |
281 | if (status < 0) | |
282 | break; | |
0fe44629 OE |
283 | if (((Regs[TM] & 0x0F) == 0 && (Regs[TM] & 0x20) == 0x20) || |
284 | ((Regs[TM] & 0x0F) == 8 && (Regs[TM] & 0x20) == 0x00)) { | |
e8783950 | 285 | state->m_Regs[TM] ^= 0x20; |
469ffe08 MCC |
286 | status = UpdateReg(state, TM); |
287 | if (status < 0) | |
288 | break; | |
e8783950 | 289 | msleep(10); |
469ffe08 MCC |
290 | status = Read(state, Regs); |
291 | if (status < 0) | |
292 | break; | |
e8783950 | 293 | } |
0fe44629 OE |
294 | *pTM_Value = (Regs[TM] & 0x20) |
295 | ? m_Thermometer_Map_2[Regs[TM] & 0x0F] | |
296 | : m_Thermometer_Map_1[Regs[TM] & 0x0F] ; | |
297 | state->m_Regs[TM] &= ~0x10; /* Thermometer off */ | |
469ffe08 MCC |
298 | status = UpdateReg(state, TM); |
299 | if (status < 0) | |
300 | break; | |
0fe44629 | 301 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 ????????? */ |
469ffe08 MCC |
302 | status = UpdateReg(state, EP4); |
303 | if (status < 0) | |
304 | break; | |
0fe44629 | 305 | } while (0); |
e8783950 RM |
306 | |
307 | return status; | |
308 | } | |
309 | ||
310 | static int StandBy(struct tda_state *state) | |
311 | { | |
312 | int status = 0; | |
313 | do { | |
0fe44629 | 314 | state->m_Regs[EB12] &= ~0x20; /* PD_AGC1_Det = 0 */ |
469ffe08 MCC |
315 | status = UpdateReg(state, EB12); |
316 | if (status < 0) | |
317 | break; | |
0fe44629 | 318 | state->m_Regs[EB18] &= ~0x83; /* AGC1_loop_off = 0, AGC1_Gain = 6 dB */ |
469ffe08 MCC |
319 | status = UpdateReg(state, EB18); |
320 | if (status < 0) | |
321 | break; | |
0fe44629 | 322 | state->m_Regs[EB21] |= 0x03; /* AGC2_Gain = -6 dB */ |
e8783950 | 323 | state->m_Regs[EP3] = state->m_EP3_Standby; |
469ffe08 MCC |
324 | status = UpdateReg(state, EP3); |
325 | if (status < 0) | |
326 | break; | |
0fe44629 | 327 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LP_Fc[2] = 0 */ |
469ffe08 MCC |
328 | status = UpdateRegs(state, EB21, EB23); |
329 | if (status < 0) | |
330 | break; | |
0fe44629 | 331 | } while (0); |
e8783950 RM |
332 | return status; |
333 | } | |
334 | ||
335 | static int CalcMainPLL(struct tda_state *state, u32 freq) | |
336 | { | |
337 | ||
338 | u8 PostDiv; | |
339 | u8 Div; | |
340 | u64 OscFreq; | |
341 | u32 MainDiv; | |
342 | ||
0fe44629 | 343 | if (!SearchMap3(m_Main_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 344 | return -EINVAL; |
e8783950 RM |
345 | |
346 | OscFreq = (u64) freq * (u64) Div; | |
347 | OscFreq *= (u64) 16384; | |
348 | do_div(OscFreq, (u64)16000000); | |
349 | MainDiv = OscFreq; | |
350 | ||
351 | state->m_Regs[MPD] = PostDiv & 0x77; | |
352 | state->m_Regs[MD1] = ((MainDiv >> 16) & 0x7F); | |
353 | state->m_Regs[MD2] = ((MainDiv >> 8) & 0xFF); | |
0fe44629 | 354 | state->m_Regs[MD3] = (MainDiv & 0xFF); |
e8783950 RM |
355 | |
356 | return UpdateRegs(state, MPD, MD3); | |
357 | } | |
358 | ||
359 | static int CalcCalPLL(struct tda_state *state, u32 freq) | |
360 | { | |
e8783950 RM |
361 | u8 PostDiv; |
362 | u8 Div; | |
363 | u64 OscFreq; | |
364 | u32 CalDiv; | |
365 | ||
0fe44629 | 366 | if (!SearchMap3(m_Cal_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 367 | return -EINVAL; |
e8783950 RM |
368 | |
369 | OscFreq = (u64)freq * (u64)Div; | |
0fe44629 OE |
370 | /* CalDiv = u32( OscFreq * 16384 / 16000000 ); */ |
371 | OscFreq *= (u64)16384; | |
e8783950 | 372 | do_div(OscFreq, (u64)16000000); |
0fe44629 | 373 | CalDiv = OscFreq; |
e8783950 RM |
374 | |
375 | state->m_Regs[CPD] = PostDiv; | |
376 | state->m_Regs[CD1] = ((CalDiv >> 16) & 0xFF); | |
377 | state->m_Regs[CD2] = ((CalDiv >> 8) & 0xFF); | |
0fe44629 | 378 | state->m_Regs[CD3] = (CalDiv & 0xFF); |
e8783950 | 379 | |
0fe44629 | 380 | return UpdateRegs(state, CPD, CD3); |
e8783950 RM |
381 | } |
382 | ||
383 | static int CalibrateRF(struct tda_state *state, | |
0fe44629 | 384 | u8 RFBand, u32 freq, s32 *pCprog) |
e8783950 | 385 | { |
e8783950 RM |
386 | int status = 0; |
387 | u8 Regs[NUM_REGS]; | |
388 | do { | |
0fe44629 OE |
389 | u8 BP_Filter = 0; |
390 | u8 GainTaper = 0; | |
391 | u8 RFC_K = 0; | |
392 | u8 RFC_M = 0; | |
393 | ||
394 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 */ | |
469ffe08 MCC |
395 | status = UpdateReg(state, EP4); |
396 | if (status < 0) | |
397 | break; | |
0fe44629 | 398 | state->m_Regs[EB18] |= 0x03; /* AGC1_Gain = 3 */ |
469ffe08 MCC |
399 | status = UpdateReg(state, EB18); |
400 | if (status < 0) | |
401 | break; | |
0fe44629 OE |
402 | |
403 | /* Switching off LT (as datasheet says) causes calibration on C1 to fail */ | |
404 | /* (Readout of Cprog is allways 255) */ | |
405 | if (state->m_Regs[ID] != 0x83) /* C1: ID == 83, C2: ID == 84 */ | |
406 | state->m_Regs[EP3] |= 0x40; /* SM_LT = 1 */ | |
407 | ||
408 | if (!(SearchMap1(m_BP_Filter_Map, freq, &BP_Filter) && | |
409 | SearchMap1(m_GainTaper_Map, freq, &GainTaper) && | |
410 | SearchMap3(m_KM_Map, freq, &RFC_K, &RFC_M))) | |
e8783950 | 411 | return -EINVAL; |
e8783950 RM |
412 | |
413 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | BP_Filter; | |
414 | state->m_Regs[EP2] = (RFBand << 5) | GainTaper; | |
415 | ||
416 | state->m_Regs[EB13] = (state->m_Regs[EB13] & ~0x7C) | (RFC_K << 4) | (RFC_M << 2); | |
417 | ||
469ffe08 MCC |
418 | status = UpdateRegs(state, EP1, EP3); |
419 | if (status < 0) | |
420 | break; | |
421 | status = UpdateReg(state, EB13); | |
422 | if (status < 0) | |
423 | break; | |
e8783950 | 424 | |
0fe44629 | 425 | state->m_Regs[EB4] |= 0x20; /* LO_ForceSrce = 1 */ |
469ffe08 MCC |
426 | status = UpdateReg(state, EB4); |
427 | if (status < 0) | |
428 | break; | |
e8783950 | 429 | |
0fe44629 | 430 | state->m_Regs[EB7] |= 0x20; /* CAL_ForceSrce = 1 */ |
469ffe08 MCC |
431 | status = UpdateReg(state, EB7); |
432 | if (status < 0) | |
433 | break; | |
e8783950 | 434 | |
0fe44629 | 435 | state->m_Regs[EB14] = 0; /* RFC_Cprog = 0 */ |
469ffe08 MCC |
436 | status = UpdateReg(state, EB14); |
437 | if (status < 0) | |
438 | break; | |
e8783950 | 439 | |
0fe44629 | 440 | state->m_Regs[EB20] &= ~0x20; /* ForceLock = 0; */ |
469ffe08 MCC |
441 | status = UpdateReg(state, EB20); |
442 | if (status < 0) | |
443 | break; | |
e8783950 | 444 | |
0fe44629 | 445 | state->m_Regs[EP4] |= 0x03; /* CAL_Mode = 3 */ |
469ffe08 MCC |
446 | status = UpdateRegs(state, EP4, EP5); |
447 | if (status < 0) | |
448 | break; | |
e8783950 | 449 | |
469ffe08 MCC |
450 | status = CalcCalPLL(state, freq); |
451 | if (status < 0) | |
452 | break; | |
453 | status = CalcMainPLL(state, freq + 1000000); | |
454 | if (status < 0) | |
455 | break; | |
e8783950 RM |
456 | |
457 | msleep(5); | |
469ffe08 MCC |
458 | status = UpdateReg(state, EP2); |
459 | if (status < 0) | |
460 | break; | |
461 | status = UpdateReg(state, EP1); | |
462 | if (status < 0) | |
463 | break; | |
464 | status = UpdateReg(state, EP2); | |
465 | if (status < 0) | |
466 | break; | |
467 | status = UpdateReg(state, EP1); | |
468 | if (status < 0) | |
469 | break; | |
e8783950 | 470 | |
0fe44629 | 471 | state->m_Regs[EB4] &= ~0x20; /* LO_ForceSrce = 0 */ |
469ffe08 MCC |
472 | status = UpdateReg(state, EB4); |
473 | if (status < 0) | |
474 | break; | |
e8783950 | 475 | |
0fe44629 | 476 | state->m_Regs[EB7] &= ~0x20; /* CAL_ForceSrce = 0 */ |
469ffe08 MCC |
477 | status = UpdateReg(state, EB7); |
478 | if (status < 0) | |
479 | break; | |
e8783950 RM |
480 | msleep(10); |
481 | ||
0fe44629 | 482 | state->m_Regs[EB20] |= 0x20; /* ForceLock = 1; */ |
469ffe08 MCC |
483 | status = UpdateReg(state, EB20); |
484 | if (status < 0) | |
485 | break; | |
e8783950 RM |
486 | msleep(60); |
487 | ||
0fe44629 OE |
488 | state->m_Regs[EP4] &= ~0x03; /* CAL_Mode = 0 */ |
489 | state->m_Regs[EP3] &= ~0x40; /* SM_LT = 0 */ | |
490 | state->m_Regs[EB18] &= ~0x03; /* AGC1_Gain = 0 */ | |
469ffe08 MCC |
491 | status = UpdateReg(state, EB18); |
492 | if (status < 0) | |
493 | break; | |
494 | status = UpdateRegs(state, EP3, EP4); | |
495 | if (status < 0) | |
496 | break; | |
497 | status = UpdateReg(state, EP1); | |
498 | if (status < 0) | |
499 | break; | |
e8783950 | 500 | |
469ffe08 MCC |
501 | status = ReadExtented(state, Regs); |
502 | if (status < 0) | |
503 | break; | |
e8783950 RM |
504 | |
505 | *pCprog = Regs[EB14]; | |
e8783950 | 506 | |
0fe44629 | 507 | } while (0); |
e8783950 RM |
508 | return status; |
509 | } | |
510 | ||
511 | static int RFTrackingFiltersInit(struct tda_state *state, | |
512 | u8 RFBand) | |
513 | { | |
e8783950 RM |
514 | int status = 0; |
515 | ||
516 | u32 RF1 = m_RF_Band_Map[RFBand].m_RF1_Default; | |
517 | u32 RF2 = m_RF_Band_Map[RFBand].m_RF2_Default; | |
518 | u32 RF3 = m_RF_Band_Map[RFBand].m_RF3_Default; | |
519 | bool bcal = false; | |
520 | ||
521 | s32 Cprog_cal1 = 0; | |
522 | s32 Cprog_table1 = 0; | |
523 | s32 Cprog_cal2 = 0; | |
524 | s32 Cprog_table2 = 0; | |
525 | s32 Cprog_cal3 = 0; | |
526 | s32 Cprog_table3 = 0; | |
527 | ||
528 | state->m_RF_A1[RFBand] = 0; | |
529 | state->m_RF_B1[RFBand] = 0; | |
530 | state->m_RF_A2[RFBand] = 0; | |
531 | state->m_RF_B2[RFBand] = 0; | |
532 | ||
533 | do { | |
469ffe08 MCC |
534 | status = PowerScan(state, RFBand, RF1, &RF1, &bcal); |
535 | if (status < 0) | |
536 | break; | |
0fe44629 | 537 | if (bcal) { |
469ffe08 MCC |
538 | status = CalibrateRF(state, RFBand, RF1, &Cprog_cal1); |
539 | if (status < 0) | |
540 | break; | |
e8783950 | 541 | } |
0fe44629 OE |
542 | SearchMap2(m_RF_Cal_Map, RF1, &Cprog_table1); |
543 | if (!bcal) | |
e8783950 | 544 | Cprog_cal1 = Cprog_table1; |
e8783950 | 545 | state->m_RF_B1[RFBand] = Cprog_cal1 - Cprog_table1; |
0fe44629 | 546 | /* state->m_RF_A1[RF_Band] = ???? */ |
e8783950 | 547 | |
0fe44629 OE |
548 | if (RF2 == 0) |
549 | break; | |
e8783950 | 550 | |
469ffe08 MCC |
551 | status = PowerScan(state, RFBand, RF2, &RF2, &bcal); |
552 | if (status < 0) | |
553 | break; | |
0fe44629 | 554 | if (bcal) { |
469ffe08 MCC |
555 | status = CalibrateRF(state, RFBand, RF2, &Cprog_cal2); |
556 | if (status < 0) | |
557 | break; | |
e8783950 | 558 | } |
0fe44629 OE |
559 | SearchMap2(m_RF_Cal_Map, RF2, &Cprog_table2); |
560 | if (!bcal) | |
e8783950 | 561 | Cprog_cal2 = Cprog_table2; |
e8783950 RM |
562 | |
563 | state->m_RF_A1[RFBand] = | |
564 | (Cprog_cal2 - Cprog_table2 - Cprog_cal1 + Cprog_table1) / | |
0fe44629 | 565 | ((s32)(RF2) - (s32)(RF1)); |
e8783950 | 566 | |
0fe44629 OE |
567 | if (RF3 == 0) |
568 | break; | |
e8783950 | 569 | |
469ffe08 MCC |
570 | status = PowerScan(state, RFBand, RF3, &RF3, &bcal); |
571 | if (status < 0) | |
572 | break; | |
0fe44629 | 573 | if (bcal) { |
469ffe08 MCC |
574 | status = CalibrateRF(state, RFBand, RF3, &Cprog_cal3); |
575 | if (status < 0) | |
576 | break; | |
e8783950 | 577 | } |
0fe44629 OE |
578 | SearchMap2(m_RF_Cal_Map, RF3, &Cprog_table3); |
579 | if (!bcal) | |
e8783950 | 580 | Cprog_cal3 = Cprog_table3; |
0fe44629 | 581 | state->m_RF_A2[RFBand] = (Cprog_cal3 - Cprog_table3 - Cprog_cal2 + Cprog_table2) / ((s32)(RF3) - (s32)(RF2)); |
e8783950 RM |
582 | state->m_RF_B2[RFBand] = Cprog_cal2 - Cprog_table2; |
583 | ||
0fe44629 | 584 | } while (0); |
e8783950 RM |
585 | |
586 | state->m_RF1[RFBand] = RF1; | |
587 | state->m_RF2[RFBand] = RF2; | |
588 | state->m_RF3[RFBand] = RF3; | |
589 | ||
590 | #if 0 | |
f3d40bd0 | 591 | printk(KERN_ERR "tda18271c2dd: %s %d RF1 = %d A1 = %d B1 = %d RF2 = %d A2 = %d B2 = %d RF3 = %d\n", __func__, |
0fe44629 OE |
592 | RFBand, RF1, state->m_RF_A1[RFBand], state->m_RF_B1[RFBand], RF2, |
593 | state->m_RF_A2[RFBand], state->m_RF_B2[RFBand], RF3); | |
e8783950 RM |
594 | #endif |
595 | ||
596 | return status; | |
597 | } | |
598 | ||
599 | static int PowerScan(struct tda_state *state, | |
0fe44629 | 600 | u8 RFBand, u32 RF_in, u32 *pRF_Out, bool *pbcal) |
e8783950 | 601 | { |
0fe44629 OE |
602 | int status = 0; |
603 | do { | |
604 | u8 Gain_Taper = 0; | |
605 | s32 RFC_Cprog = 0; | |
606 | u8 CID_Target = 0; | |
607 | u8 CountLimit = 0; | |
608 | u32 freq_MainPLL; | |
609 | u8 Regs[NUM_REGS]; | |
610 | u8 CID_Gain; | |
611 | s32 Count = 0; | |
612 | int sign = 1; | |
613 | bool wait = false; | |
614 | ||
615 | if (!(SearchMap2(m_RF_Cal_Map, RF_in, &RFC_Cprog) && | |
616 | SearchMap1(m_GainTaper_Map, RF_in, &Gain_Taper) && | |
617 | SearchMap3(m_CID_Target_Map, RF_in, &CID_Target, &CountLimit))) { | |
618 | ||
f3d40bd0 | 619 | printk(KERN_ERR "tda18271c2dd: %s Search map failed\n", __func__); |
0fe44629 OE |
620 | return -EINVAL; |
621 | } | |
622 | ||
623 | state->m_Regs[EP2] = (RFBand << 5) | Gain_Taper; | |
624 | state->m_Regs[EB14] = (RFC_Cprog); | |
469ffe08 MCC |
625 | status = UpdateReg(state, EP2); |
626 | if (status < 0) | |
627 | break; | |
628 | status = UpdateReg(state, EB14); | |
629 | if (status < 0) | |
630 | break; | |
0fe44629 OE |
631 | |
632 | freq_MainPLL = RF_in + 1000000; | |
469ffe08 MCC |
633 | status = CalcMainPLL(state, freq_MainPLL); |
634 | if (status < 0) | |
635 | break; | |
0fe44629 OE |
636 | msleep(5); |
637 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x03) | 1; /* CAL_mode = 1 */ | |
469ffe08 MCC |
638 | status = UpdateReg(state, EP4); |
639 | if (status < 0) | |
640 | break; | |
641 | status = UpdateReg(state, EP2); /* Launch power measurement */ | |
642 | if (status < 0) | |
643 | break; | |
644 | status = ReadExtented(state, Regs); | |
645 | if (status < 0) | |
646 | break; | |
0fe44629 OE |
647 | CID_Gain = Regs[EB10] & 0x3F; |
648 | state->m_Regs[ID] = Regs[ID]; /* Chip version, (needed for C1 workarround in CalibrateRF) */ | |
649 | ||
650 | *pRF_Out = RF_in; | |
651 | ||
652 | while (CID_Gain < CID_Target) { | |
653 | freq_MainPLL = RF_in + sign * Count + 1000000; | |
469ffe08 MCC |
654 | status = CalcMainPLL(state, freq_MainPLL); |
655 | if (status < 0) | |
656 | break; | |
0fe44629 OE |
657 | msleep(wait ? 5 : 1); |
658 | wait = false; | |
469ffe08 MCC |
659 | status = UpdateReg(state, EP2); /* Launch power measurement */ |
660 | if (status < 0) | |
661 | break; | |
662 | status = ReadExtented(state, Regs); | |
663 | if (status < 0) | |
664 | break; | |
0fe44629 OE |
665 | CID_Gain = Regs[EB10] & 0x3F; |
666 | Count += 200000; | |
667 | ||
668 | if (Count < CountLimit * 100000) | |
669 | continue; | |
670 | if (sign < 0) | |
671 | break; | |
672 | ||
673 | sign = -sign; | |
674 | Count = 200000; | |
675 | wait = true; | |
676 | } | |
469ffe08 MCC |
677 | status = status; |
678 | if (status < 0) | |
679 | break; | |
0fe44629 OE |
680 | if (CID_Gain >= CID_Target) { |
681 | *pbcal = true; | |
682 | *pRF_Out = freq_MainPLL - 1000000; | |
683 | } else | |
684 | *pbcal = false; | |
685 | } while (0); | |
686 | ||
687 | return status; | |
e8783950 RM |
688 | } |
689 | ||
690 | static int PowerScanInit(struct tda_state *state) | |
691 | { | |
e8783950 | 692 | int status = 0; |
0fe44629 | 693 | do { |
e8783950 | 694 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | 0x12; |
0fe44629 | 695 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x1F); /* If level = 0, Cal mode = 0 */ |
469ffe08 MCC |
696 | status = UpdateRegs(state, EP3, EP4); |
697 | if (status < 0) | |
698 | break; | |
0fe44629 | 699 | state->m_Regs[EB18] = (state->m_Regs[EB18] & ~0x03); /* AGC 1 Gain = 0 */ |
469ffe08 MCC |
700 | status = UpdateReg(state, EB18); |
701 | if (status < 0) | |
702 | break; | |
0fe44629 OE |
703 | state->m_Regs[EB21] = (state->m_Regs[EB21] & ~0x03); /* AGC 2 Gain = 0 (Datasheet = 3) */ |
704 | state->m_Regs[EB23] = (state->m_Regs[EB23] | 0x06); /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
469ffe08 MCC |
705 | status = UpdateRegs(state, EB21, EB23); |
706 | if (status < 0) | |
707 | break; | |
0fe44629 | 708 | } while (0); |
e8783950 RM |
709 | return status; |
710 | } | |
711 | ||
712 | static int CalcRFFilterCurve(struct tda_state *state) | |
713 | { | |
e8783950 | 714 | int status = 0; |
0fe44629 OE |
715 | do { |
716 | msleep(200); /* Temperature stabilisation */ | |
469ffe08 MCC |
717 | status = PowerScanInit(state); |
718 | if (status < 0) | |
719 | break; | |
720 | status = RFTrackingFiltersInit(state, 0); | |
721 | if (status < 0) | |
722 | break; | |
723 | status = RFTrackingFiltersInit(state, 1); | |
724 | if (status < 0) | |
725 | break; | |
726 | status = RFTrackingFiltersInit(state, 2); | |
727 | if (status < 0) | |
728 | break; | |
729 | status = RFTrackingFiltersInit(state, 3); | |
730 | if (status < 0) | |
731 | break; | |
732 | status = RFTrackingFiltersInit(state, 4); | |
733 | if (status < 0) | |
734 | break; | |
735 | status = RFTrackingFiltersInit(state, 5); | |
736 | if (status < 0) | |
737 | break; | |
738 | status = RFTrackingFiltersInit(state, 6); | |
739 | if (status < 0) | |
740 | break; | |
741 | status = ThermometerRead(state, &state->m_TMValue_RFCal); /* also switches off Cal mode !!! */ | |
742 | if (status < 0) | |
743 | break; | |
0fe44629 | 744 | } while (0); |
e8783950 RM |
745 | |
746 | return status; | |
747 | } | |
748 | ||
749 | static int FixedContentsI2CUpdate(struct tda_state *state) | |
750 | { | |
751 | static u8 InitRegs[] = { | |
0fe44629 OE |
752 | 0x08, 0x80, 0xC6, |
753 | 0xDF, 0x16, 0x60, 0x80, | |
754 | 0x80, 0x00, 0x00, 0x00, | |
755 | 0x00, 0x00, 0x00, 0x00, | |
756 | 0xFC, 0x01, 0x84, 0x41, | |
757 | 0x01, 0x84, 0x40, 0x07, | |
758 | 0x00, 0x00, 0x96, 0x3F, | |
759 | 0xC1, 0x00, 0x8F, 0x00, | |
760 | 0x00, 0x8C, 0x00, 0x20, | |
761 | 0xB3, 0x48, 0xB0, | |
e8783950 RM |
762 | }; |
763 | int status = 0; | |
0fe44629 | 764 | memcpy(&state->m_Regs[TM], InitRegs, EB23 - TM + 1); |
e8783950 | 765 | do { |
469ffe08 MCC |
766 | status = UpdateRegs(state, TM, EB23); |
767 | if (status < 0) | |
768 | break; | |
e8783950 | 769 | |
0fe44629 | 770 | /* AGC1 gain setup */ |
e8783950 | 771 | state->m_Regs[EB17] = 0x00; |
469ffe08 MCC |
772 | status = UpdateReg(state, EB17); |
773 | if (status < 0) | |
774 | break; | |
e8783950 | 775 | state->m_Regs[EB17] = 0x03; |
469ffe08 MCC |
776 | status = UpdateReg(state, EB17); |
777 | if (status < 0) | |
778 | break; | |
e8783950 | 779 | state->m_Regs[EB17] = 0x43; |
469ffe08 MCC |
780 | status = UpdateReg(state, EB17); |
781 | if (status < 0) | |
782 | break; | |
e8783950 | 783 | state->m_Regs[EB17] = 0x4C; |
469ffe08 MCC |
784 | status = UpdateReg(state, EB17); |
785 | if (status < 0) | |
786 | break; | |
e8783950 | 787 | |
0fe44629 | 788 | /* IRC Cal Low band */ |
e8783950 RM |
789 | state->m_Regs[EP3] = 0x1F; |
790 | state->m_Regs[EP4] = 0x66; | |
791 | state->m_Regs[EP5] = 0x81; | |
792 | state->m_Regs[CPD] = 0xCC; | |
793 | state->m_Regs[CD1] = 0x6C; | |
794 | state->m_Regs[CD2] = 0x00; | |
795 | state->m_Regs[CD3] = 0x00; | |
796 | state->m_Regs[MPD] = 0xC5; | |
797 | state->m_Regs[MD1] = 0x77; | |
798 | state->m_Regs[MD2] = 0x08; | |
799 | state->m_Regs[MD3] = 0x00; | |
469ffe08 MCC |
800 | status = UpdateRegs(state, EP2, MD3); /* diff between sw and datasheet (ep3-md3) */ |
801 | if (status < 0) | |
802 | break; | |
e8783950 | 803 | |
0fe44629 OE |
804 | #if 0 |
805 | state->m_Regs[EB4] = 0x61; /* missing in sw */ | |
469ffe08 MCC |
806 | status = UpdateReg(state, EB4); |
807 | if (status < 0) | |
808 | break; | |
0fe44629 OE |
809 | msleep(1); |
810 | state->m_Regs[EB4] = 0x41; | |
469ffe08 MCC |
811 | status = UpdateReg(state, EB4); |
812 | if (status < 0) | |
813 | break; | |
0fe44629 | 814 | #endif |
e8783950 RM |
815 | |
816 | msleep(5); | |
469ffe08 MCC |
817 | status = UpdateReg(state, EP1); |
818 | if (status < 0) | |
819 | break; | |
e8783950 RM |
820 | msleep(5); |
821 | ||
822 | state->m_Regs[EP5] = 0x85; | |
823 | state->m_Regs[CPD] = 0xCB; | |
824 | state->m_Regs[CD1] = 0x66; | |
825 | state->m_Regs[CD2] = 0x70; | |
469ffe08 MCC |
826 | status = UpdateRegs(state, EP3, CD3); |
827 | if (status < 0) | |
828 | break; | |
e8783950 | 829 | msleep(5); |
469ffe08 MCC |
830 | status = UpdateReg(state, EP2); |
831 | if (status < 0) | |
832 | break; | |
e8783950 RM |
833 | msleep(30); |
834 | ||
0fe44629 | 835 | /* IRC Cal mid band */ |
e8783950 RM |
836 | state->m_Regs[EP5] = 0x82; |
837 | state->m_Regs[CPD] = 0xA8; | |
838 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 839 | state->m_Regs[MPD] = 0xA1; /* Datasheet = 0xA9 */ |
e8783950 RM |
840 | state->m_Regs[MD1] = 0x73; |
841 | state->m_Regs[MD2] = 0x1A; | |
469ffe08 MCC |
842 | status = UpdateRegs(state, EP3, MD3); |
843 | if (status < 0) | |
844 | break; | |
e8783950 RM |
845 | |
846 | msleep(5); | |
469ffe08 MCC |
847 | status = UpdateReg(state, EP1); |
848 | if (status < 0) | |
849 | break; | |
e8783950 RM |
850 | msleep(5); |
851 | ||
852 | state->m_Regs[EP5] = 0x86; | |
853 | state->m_Regs[CPD] = 0xA8; | |
854 | state->m_Regs[CD1] = 0x66; | |
855 | state->m_Regs[CD2] = 0xA0; | |
469ffe08 MCC |
856 | status = UpdateRegs(state, EP3, CD3); |
857 | if (status < 0) | |
858 | break; | |
e8783950 | 859 | msleep(5); |
469ffe08 MCC |
860 | status = UpdateReg(state, EP2); |
861 | if (status < 0) | |
862 | break; | |
e8783950 RM |
863 | msleep(30); |
864 | ||
0fe44629 | 865 | /* IRC Cal high band */ |
e8783950 RM |
866 | state->m_Regs[EP5] = 0x83; |
867 | state->m_Regs[CPD] = 0x98; | |
868 | state->m_Regs[CD1] = 0x65; | |
869 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 870 | state->m_Regs[MPD] = 0x91; /* Datasheet = 0x91 */ |
e8783950 RM |
871 | state->m_Regs[MD1] = 0x71; |
872 | state->m_Regs[MD2] = 0xCD; | |
469ffe08 MCC |
873 | status = UpdateRegs(state, EP3, MD3); |
874 | if (status < 0) | |
875 | break; | |
e8783950 | 876 | msleep(5); |
469ffe08 MCC |
877 | status = UpdateReg(state, EP1); |
878 | if (status < 0) | |
879 | break; | |
e8783950 RM |
880 | msleep(5); |
881 | state->m_Regs[EP5] = 0x87; | |
882 | state->m_Regs[CD1] = 0x65; | |
883 | state->m_Regs[CD2] = 0x50; | |
469ffe08 MCC |
884 | status = UpdateRegs(state, EP3, CD3); |
885 | if (status < 0) | |
886 | break; | |
e8783950 | 887 | msleep(5); |
469ffe08 MCC |
888 | status = UpdateReg(state, EP2); |
889 | if (status < 0) | |
890 | break; | |
e8783950 RM |
891 | msleep(30); |
892 | ||
0fe44629 | 893 | /* Back to normal */ |
e8783950 | 894 | state->m_Regs[EP4] = 0x64; |
469ffe08 MCC |
895 | status = UpdateReg(state, EP4); |
896 | if (status < 0) | |
897 | break; | |
898 | status = UpdateReg(state, EP1); | |
899 | if (status < 0) | |
900 | break; | |
e8783950 | 901 | |
0fe44629 | 902 | } while (0); |
e8783950 RM |
903 | return status; |
904 | } | |
905 | ||
906 | static int InitCal(struct tda_state *state) | |
907 | { | |
908 | int status = 0; | |
909 | ||
0fe44629 | 910 | do { |
469ffe08 MCC |
911 | status = FixedContentsI2CUpdate(state); |
912 | if (status < 0) | |
913 | break; | |
914 | status = CalcRFFilterCurve(state); | |
915 | if (status < 0) | |
916 | break; | |
917 | status = StandBy(state); | |
918 | if (status < 0) | |
919 | break; | |
0fe44629 OE |
920 | /* m_bInitDone = true; */ |
921 | } while (0); | |
e8783950 RM |
922 | return status; |
923 | }; | |
924 | ||
925 | static int RFTrackingFiltersCorrection(struct tda_state *state, | |
926 | u32 Frequency) | |
927 | { | |
928 | int status = 0; | |
929 | s32 Cprog_table; | |
930 | u8 RFBand; | |
931 | u8 dCoverdT; | |
932 | ||
0fe44629 OE |
933 | if (!SearchMap2(m_RF_Cal_Map, Frequency, &Cprog_table) || |
934 | !SearchMap4(m_RF_Band_Map, Frequency, &RFBand) || | |
935 | !SearchMap1(m_RF_Cal_DC_Over_DT_Map, Frequency, &dCoverdT)) | |
936 | ||
e8783950 | 937 | return -EINVAL; |
e8783950 | 938 | |
0fe44629 | 939 | do { |
e8783950 RM |
940 | u8 TMValue_Current; |
941 | u32 RF1 = state->m_RF1[RFBand]; | |
942 | u32 RF2 = state->m_RF1[RFBand]; | |
943 | u32 RF3 = state->m_RF1[RFBand]; | |
944 | s32 RF_A1 = state->m_RF_A1[RFBand]; | |
945 | s32 RF_B1 = state->m_RF_B1[RFBand]; | |
946 | s32 RF_A2 = state->m_RF_A2[RFBand]; | |
947 | s32 RF_B2 = state->m_RF_B2[RFBand]; | |
948 | s32 Capprox = 0; | |
949 | int TComp; | |
950 | ||
0fe44629 | 951 | state->m_Regs[EP3] &= ~0xE0; /* Power up */ |
469ffe08 MCC |
952 | status = UpdateReg(state, EP3); |
953 | if (status < 0) | |
954 | break; | |
e8783950 | 955 | |
469ffe08 MCC |
956 | status = ThermometerRead(state, &TMValue_Current); |
957 | if (status < 0) | |
958 | break; | |
e8783950 | 959 | |
0fe44629 | 960 | if (RF3 == 0 || Frequency < RF2) |
e8783950 | 961 | Capprox = RF_A1 * ((s32)(Frequency) - (s32)(RF1)) + RF_B1 + Cprog_table; |
e8783950 | 962 | else |
e8783950 | 963 | Capprox = RF_A2 * ((s32)(Frequency) - (s32)(RF2)) + RF_B2 + Cprog_table; |
e8783950 RM |
964 | |
965 | TComp = (int)(dCoverdT) * ((int)(TMValue_Current) - (int)(state->m_TMValue_RFCal))/1000; | |
966 | ||
967 | Capprox += TComp; | |
968 | ||
0fe44629 OE |
969 | if (Capprox < 0) |
970 | Capprox = 0; | |
971 | else if (Capprox > 255) | |
972 | Capprox = 255; | |
e8783950 RM |
973 | |
974 | ||
0fe44629 OE |
975 | /* TODO Temperature compensation. There is defenitely a scale factor */ |
976 | /* missing in the datasheet, so leave it out for now. */ | |
977 | state->m_Regs[EB14] = Capprox; | |
e8783950 | 978 | |
469ffe08 MCC |
979 | status = UpdateReg(state, EB14); |
980 | if (status < 0) | |
981 | break; | |
e8783950 | 982 | |
0fe44629 | 983 | } while (0); |
e8783950 RM |
984 | return status; |
985 | } | |
986 | ||
987 | static int ChannelConfiguration(struct tda_state *state, | |
988 | u32 Frequency, int Standard) | |
989 | { | |
990 | ||
991 | s32 IntermediateFrequency = m_StandardTable[Standard].m_IFFrequency; | |
992 | int status = 0; | |
993 | ||
994 | u8 BP_Filter = 0; | |
995 | u8 RF_Band = 0; | |
996 | u8 GainTaper = 0; | |
ea90f011 | 997 | u8 IR_Meas = 0; |
e8783950 | 998 | |
0fe44629 | 999 | state->IF = IntermediateFrequency; |
f3d40bd0 | 1000 | /* printk("tda18271c2dd: %s Freq = %d Standard = %d IF = %d\n", __func__, Frequency, Standard, IntermediateFrequency); */ |
0fe44629 | 1001 | /* get values from tables */ |
e8783950 | 1002 | |
0fe44629 OE |
1003 | if (!(SearchMap1(m_BP_Filter_Map, Frequency, &BP_Filter) && |
1004 | SearchMap1(m_GainTaper_Map, Frequency, &GainTaper) && | |
1005 | SearchMap1(m_IR_Meas_Map, Frequency, &IR_Meas) && | |
1006 | SearchMap4(m_RF_Band_Map, Frequency, &RF_Band))) { | |
1007 | ||
f3d40bd0 | 1008 | printk(KERN_ERR "tda18271c2dd: %s SearchMap failed\n", __func__); |
e8783950 RM |
1009 | return -EINVAL; |
1010 | } | |
1011 | ||
0fe44629 | 1012 | do { |
e8783950 | 1013 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | m_StandardTable[Standard].m_EP3_4_0; |
0fe44629 OE |
1014 | state->m_Regs[EP3] &= ~0x04; /* switch RFAGC to high speed mode */ |
1015 | ||
1016 | /* m_EP4 default for XToutOn, CAL_Mode (0) */ | |
1017 | state->m_Regs[EP4] = state->m_EP4 | ((Standard > HF_AnalogMax) ? state->m_IFLevelDigital : state->m_IFLevelAnalog); | |
1018 | /* state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; */ | |
1019 | if (Standard <= HF_AnalogMax) | |
1020 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelAnalog; | |
1021 | else if (Standard <= HF_ATSC) | |
1022 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBT; | |
1023 | else if (Standard <= HF_DVBC) | |
1024 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBC; | |
1025 | else | |
1026 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; | |
e8783950 | 1027 | |
0fe44629 | 1028 | if ((Standard == HF_FM_Radio) && state->m_bFMInput) |
58632818 | 1029 | state->m_Regs[EP4] |= 0x80; |
e8783950 RM |
1030 | |
1031 | state->m_Regs[MPD] &= ~0x80; | |
0fe44629 OE |
1032 | if (Standard > HF_AnalogMax) |
1033 | state->m_Regs[MPD] |= 0x80; /* Add IF_notch for digital */ | |
e8783950 RM |
1034 | |
1035 | state->m_Regs[EB22] = m_StandardTable[Standard].m_EB22; | |
1036 | ||
0fe44629 OE |
1037 | /* Note: This is missing from flowchart in TDA18271 specification ( 1.5 MHz cutoff for FM ) */ |
1038 | if (Standard == HF_FM_Radio) | |
1039 | state->m_Regs[EB23] |= 0x06; /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
1040 | else | |
1041 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LPFc[2] = 0 */ | |
e8783950 | 1042 | |
469ffe08 MCC |
1043 | status = UpdateRegs(state, EB22, EB23); |
1044 | if (status < 0) | |
1045 | break; | |
e8783950 | 1046 | |
0fe44629 | 1047 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | 0x40 | BP_Filter; /* Dis_Power_level = 1, Filter */ |
e8783950 RM |
1048 | state->m_Regs[EP5] = (state->m_Regs[EP5] & ~0x07) | IR_Meas; |
1049 | state->m_Regs[EP2] = (RF_Band << 5) | GainTaper; | |
1050 | ||
1051 | state->m_Regs[EB1] = (state->m_Regs[EB1] & ~0x07) | | |
0fe44629 OE |
1052 | (state->m_bMaster ? 0x04 : 0x00); /* CALVCO_FortLOn = MS */ |
1053 | /* AGC1_always_master = 0 */ | |
1054 | /* AGC_firstn = 0 */ | |
469ffe08 MCC |
1055 | status = UpdateReg(state, EB1); |
1056 | if (status < 0) | |
1057 | break; | |
0fe44629 OE |
1058 | |
1059 | if (state->m_bMaster) { | |
469ffe08 MCC |
1060 | status = CalcMainPLL(state, Frequency + IntermediateFrequency); |
1061 | if (status < 0) | |
1062 | break; | |
1063 | status = UpdateRegs(state, TM, EP5); | |
1064 | if (status < 0) | |
1065 | break; | |
0fe44629 | 1066 | state->m_Regs[EB4] |= 0x20; /* LO_forceSrce = 1 */ |
469ffe08 MCC |
1067 | status = UpdateReg(state, EB4); |
1068 | if (status < 0) | |
1069 | break; | |
e8783950 | 1070 | msleep(1); |
0fe44629 | 1071 | state->m_Regs[EB4] &= ~0x20; /* LO_forceSrce = 0 */ |
469ffe08 MCC |
1072 | status = UpdateReg(state, EB4); |
1073 | if (status < 0) | |
1074 | break; | |
0fe44629 | 1075 | } else { |
ea90f011 | 1076 | u8 PostDiv = 0; |
e8783950 | 1077 | u8 Div; |
469ffe08 MCC |
1078 | status = CalcCalPLL(state, Frequency + IntermediateFrequency); |
1079 | if (status < 0) | |
1080 | break; | |
e8783950 | 1081 | |
0fe44629 | 1082 | SearchMap3(m_Cal_PLL_Map, Frequency + IntermediateFrequency, &PostDiv, &Div); |
e8783950 | 1083 | state->m_Regs[MPD] = (state->m_Regs[MPD] & ~0x7F) | (PostDiv & 0x77); |
469ffe08 MCC |
1084 | status = UpdateReg(state, MPD); |
1085 | if (status < 0) | |
1086 | break; | |
1087 | status = UpdateRegs(state, TM, EP5); | |
1088 | if (status < 0) | |
1089 | break; | |
e8783950 | 1090 | |
0fe44629 | 1091 | state->m_Regs[EB7] |= 0x20; /* CAL_forceSrce = 1 */ |
469ffe08 MCC |
1092 | status = UpdateReg(state, EB7); |
1093 | if (status < 0) | |
1094 | break; | |
e8783950 | 1095 | msleep(1); |
0fe44629 | 1096 | state->m_Regs[EB7] &= ~0x20; /* CAL_forceSrce = 0 */ |
469ffe08 MCC |
1097 | status = UpdateReg(state, EB7); |
1098 | if (status < 0) | |
1099 | break; | |
e8783950 RM |
1100 | } |
1101 | msleep(20); | |
0fe44629 OE |
1102 | if (Standard != HF_FM_Radio) |
1103 | state->m_Regs[EP3] |= 0x04; /* RFAGC to normal mode */ | |
469ffe08 MCC |
1104 | status = UpdateReg(state, EP3); |
1105 | if (status < 0) | |
1106 | break; | |
e8783950 | 1107 | |
0fe44629 | 1108 | } while (0); |
e8783950 RM |
1109 | return status; |
1110 | } | |
1111 | ||
0fe44629 | 1112 | static int sleep(struct dvb_frontend *fe) |
e8783950 RM |
1113 | { |
1114 | struct tda_state *state = fe->tuner_priv; | |
1115 | ||
1116 | StandBy(state); | |
1117 | return 0; | |
1118 | } | |
1119 | ||
0fe44629 | 1120 | static int init(struct dvb_frontend *fe) |
e8783950 | 1121 | { |
e8783950 RM |
1122 | return 0; |
1123 | } | |
1124 | ||
f2709c20 MCC |
1125 | static void release(struct dvb_frontend *fe) |
1126 | { | |
1127 | kfree(fe->tuner_priv); | |
1128 | fe->tuner_priv = NULL; | |
1129 | } | |
1130 | ||
1131 | ||
14d24d14 | 1132 | static int set_params(struct dvb_frontend *fe) |
e8783950 RM |
1133 | { |
1134 | struct tda_state *state = fe->tuner_priv; | |
1135 | int status = 0; | |
1136 | int Standard; | |
fd66c45d MCC |
1137 | u32 bw = fe->dtv_property_cache.bandwidth_hz; |
1138 | u32 delsys = fe->dtv_property_cache.delivery_system; | |
e8783950 | 1139 | |
fd66c45d | 1140 | state->m_Frequency = fe->dtv_property_cache.frequency; |
e8783950 | 1141 | |
fd66c45d MCC |
1142 | switch (delsys) { |
1143 | case SYS_DVBT: | |
1144 | case SYS_DVBT2: | |
1145 | switch (bw) { | |
1146 | case 6000000: | |
e8783950 RM |
1147 | Standard = HF_DVBT_6MHZ; |
1148 | break; | |
fd66c45d | 1149 | case 7000000: |
e8783950 RM |
1150 | Standard = HF_DVBT_7MHZ; |
1151 | break; | |
fd66c45d | 1152 | case 8000000: |
e8783950 RM |
1153 | Standard = HF_DVBT_8MHZ; |
1154 | break; | |
fd66c45d MCC |
1155 | default: |
1156 | return -EINVAL; | |
e8783950 | 1157 | } |
fd66c45d MCC |
1158 | case SYS_DVBC_ANNEX_A: |
1159 | case SYS_DVBC_ANNEX_C: | |
2440f7af | 1160 | if (bw <= 6000000) |
cf845297 | 1161 | Standard = HF_DVBC_6MHZ; |
2440f7af MCC |
1162 | else if (bw <= 7000000) |
1163 | Standard = HF_DVBC_7MHZ; | |
cf845297 MCC |
1164 | else |
1165 | Standard = HF_DVBC_8MHZ; | |
1ca8dde8 | 1166 | break; |
fd66c45d | 1167 | default: |
e8783950 | 1168 | return -EINVAL; |
fd66c45d | 1169 | } |
e8783950 | 1170 | do { |
fd66c45d | 1171 | status = RFTrackingFiltersCorrection(state, state->m_Frequency); |
469ffe08 MCC |
1172 | if (status < 0) |
1173 | break; | |
fd66c45d MCC |
1174 | status = ChannelConfiguration(state, state->m_Frequency, |
1175 | Standard); | |
469ffe08 MCC |
1176 | if (status < 0) |
1177 | break; | |
e8783950 | 1178 | |
0fe44629 OE |
1179 | msleep(state->m_SettlingTime); /* Allow AGC's to settle down */ |
1180 | } while (0); | |
e8783950 RM |
1181 | return status; |
1182 | } | |
1183 | ||
1184 | #if 0 | |
0fe44629 | 1185 | static int GetSignalStrength(s32 *pSignalStrength, u32 RFAgc, u32 IFAgc) |
e8783950 | 1186 | { |
0fe44629 OE |
1187 | if (IFAgc < 500) { |
1188 | /* Scale this from 0 to 50000 */ | |
e8783950 RM |
1189 | *pSignalStrength = IFAgc * 100; |
1190 | } else { | |
0fe44629 | 1191 | /* Scale range 500-1500 to 50000-80000 */ |
e8783950 RM |
1192 | *pSignalStrength = 50000 + (IFAgc - 500) * 30; |
1193 | } | |
1194 | ||
1195 | return 0; | |
1196 | } | |
1197 | #endif | |
1198 | ||
8513e144 | 1199 | static int get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
e8783950 RM |
1200 | { |
1201 | struct tda_state *state = fe->tuner_priv; | |
1202 | ||
1203 | *frequency = state->IF; | |
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | static int get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1208 | { | |
0fe44629 OE |
1209 | /* struct tda_state *state = fe->tuner_priv; */ |
1210 | /* *bandwidth = priv->bandwidth; */ | |
e8783950 RM |
1211 | return 0; |
1212 | } | |
1213 | ||
1214 | ||
14c4bf3c | 1215 | static const struct dvb_tuner_ops tuner_ops = { |
e8783950 RM |
1216 | .info = { |
1217 | .name = "NXP TDA18271C2D", | |
1218 | .frequency_min = 47125000, | |
1219 | .frequency_max = 865000000, | |
1220 | .frequency_step = 62500 | |
1221 | }, | |
1222 | .init = init, | |
1223 | .sleep = sleep, | |
1224 | .set_params = set_params, | |
f2709c20 | 1225 | .release = release, |
8513e144 | 1226 | .get_if_frequency = get_if_frequency, |
e8783950 RM |
1227 | .get_bandwidth = get_bandwidth, |
1228 | }; | |
1229 | ||
1230 | struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe, | |
1231 | struct i2c_adapter *i2c, u8 adr) | |
1232 | { | |
1233 | struct tda_state *state; | |
1234 | ||
1235 | state = kzalloc(sizeof(struct tda_state), GFP_KERNEL); | |
1236 | if (!state) | |
1237 | return NULL; | |
1238 | ||
1239 | fe->tuner_priv = state; | |
1240 | state->adr = adr; | |
1241 | state->i2c = i2c; | |
1242 | memcpy(&fe->ops.tuner_ops, &tuner_ops, sizeof(struct dvb_tuner_ops)); | |
1243 | reset(state); | |
1244 | InitCal(state); | |
1245 | ||
1246 | return fe; | |
1247 | } | |
e8783950 | 1248 | EXPORT_SYMBOL_GPL(tda18271c2dd_attach); |
0fe44629 | 1249 | |
e8783950 RM |
1250 | MODULE_DESCRIPTION("TDA18271C2 driver"); |
1251 | MODULE_AUTHOR("DD"); | |
1252 | MODULE_LICENSE("GPL"); |