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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 | * | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
21 | * 02110-1301, USA | |
22 | * Or, point your browser to http://www.gnu.org/copyleft/gpl.html | |
23 | */ | |
24 | ||
25 | #include <linux/kernel.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/delay.h> | |
30 | #include <linux/firmware.h> | |
31 | #include <linux/i2c.h> | |
e8783950 RM |
32 | #include <asm/div64.h> |
33 | ||
34 | #include "dvb_frontend.h" | |
4e373217 | 35 | #include "tda18271c2dd.h" |
e8783950 | 36 | |
8393796d MCC |
37 | /* Max transfer size done by I2C transfer functions */ |
38 | #define MAX_XFER_SIZE 64 | |
39 | ||
e8783950 RM |
40 | struct SStandardParam { |
41 | s32 m_IFFrequency; | |
42 | u32 m_BandWidth; | |
43 | u8 m_EP3_4_0; | |
44 | u8 m_EB22; | |
45 | }; | |
46 | ||
47 | struct SMap { | |
48 | u32 m_Frequency; | |
49 | u8 m_Param; | |
50 | }; | |
51 | ||
52 | struct SMapI { | |
53 | u32 m_Frequency; | |
54 | s32 m_Param; | |
55 | }; | |
56 | ||
57 | struct SMap2 { | |
58 | u32 m_Frequency; | |
59 | u8 m_Param1; | |
60 | u8 m_Param2; | |
61 | }; | |
62 | ||
63 | struct SRFBandMap { | |
64 | u32 m_RF_max; | |
65 | u32 m_RF1_Default; | |
66 | u32 m_RF2_Default; | |
67 | u32 m_RF3_Default; | |
68 | }; | |
69 | ||
0fe44629 | 70 | enum ERegister { |
e8783950 RM |
71 | ID = 0, |
72 | TM, | |
73 | PL, | |
74 | EP1, EP2, EP3, EP4, EP5, | |
75 | CPD, CD1, CD2, CD3, | |
76 | MPD, MD1, MD2, MD3, | |
77 | EB1, EB2, EB3, EB4, EB5, EB6, EB7, EB8, EB9, EB10, | |
78 | EB11, EB12, EB13, EB14, EB15, EB16, EB17, EB18, EB19, EB20, | |
79 | EB21, EB22, EB23, | |
80 | NUM_REGS | |
81 | }; | |
82 | ||
83 | struct tda_state { | |
84 | struct i2c_adapter *i2c; | |
85 | u8 adr; | |
86 | ||
87 | u32 m_Frequency; | |
88 | u32 IF; | |
89 | ||
90 | u8 m_IFLevelAnalog; | |
91 | u8 m_IFLevelDigital; | |
92 | u8 m_IFLevelDVBC; | |
93 | u8 m_IFLevelDVBT; | |
94 | ||
95 | u8 m_EP4; | |
96 | u8 m_EP3_Standby; | |
97 | ||
98 | bool m_bMaster; | |
99 | ||
100 | s32 m_SettlingTime; | |
101 | ||
102 | u8 m_Regs[NUM_REGS]; | |
103 | ||
104 | /* Tracking filter settings for band 0..6 */ | |
105 | u32 m_RF1[7]; | |
106 | s32 m_RF_A1[7]; | |
107 | s32 m_RF_B1[7]; | |
108 | u32 m_RF2[7]; | |
109 | s32 m_RF_A2[7]; | |
110 | s32 m_RF_B2[7]; | |
111 | u32 m_RF3[7]; | |
112 | ||
113 | u8 m_TMValue_RFCal; /* Calibration temperatur */ | |
114 | ||
115 | bool m_bFMInput; /* true to use Pin 8 for FM Radio */ | |
116 | ||
117 | }; | |
118 | ||
119 | static int PowerScan(struct tda_state *state, | |
0fe44629 OE |
120 | u8 RFBand, u32 RF_in, |
121 | u32 *pRF_Out, bool *pbcal); | |
e8783950 RM |
122 | |
123 | static int i2c_readn(struct i2c_adapter *adapter, u8 adr, u8 *data, int len) | |
124 | { | |
125 | struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD, | |
0fe44629 | 126 | .buf = data, .len = len} }; |
e8783950 RM |
127 | return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; |
128 | } | |
129 | ||
130 | static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len) | |
131 | { | |
132 | struct i2c_msg msg = {.addr = adr, .flags = 0, | |
133 | .buf = data, .len = len}; | |
134 | ||
135 | if (i2c_transfer(adap, &msg, 1) != 1) { | |
f3d40bd0 | 136 | printk(KERN_ERR "tda18271c2dd: i2c write error at addr %i\n", adr); |
e8783950 RM |
137 | return -1; |
138 | } | |
139 | return 0; | |
140 | } | |
141 | ||
142 | static int WriteRegs(struct tda_state *state, | |
143 | u8 SubAddr, u8 *Regs, u16 nRegs) | |
144 | { | |
8393796d MCC |
145 | u8 data[MAX_XFER_SIZE]; |
146 | ||
147 | if (1 + nRegs > sizeof(data)) { | |
148 | printk(KERN_WARNING | |
149 | "%s: i2c wr: len=%d is too big!\n", | |
150 | KBUILD_MODNAME, nRegs); | |
151 | return -EINVAL; | |
152 | } | |
e8783950 RM |
153 | |
154 | data[0] = SubAddr; | |
155 | memcpy(data + 1, Regs, nRegs); | |
8393796d | 156 | return i2c_write(state->i2c, state->adr, data, nRegs + 1); |
e8783950 RM |
157 | } |
158 | ||
0fe44629 | 159 | static int WriteReg(struct tda_state *state, u8 SubAddr, u8 Reg) |
e8783950 RM |
160 | { |
161 | u8 msg[2] = {SubAddr, Reg}; | |
162 | ||
163 | return i2c_write(state->i2c, state->adr, msg, 2); | |
164 | } | |
165 | ||
166 | static int Read(struct tda_state *state, u8 * Regs) | |
167 | { | |
168 | return i2c_readn(state->i2c, state->adr, Regs, 16); | |
169 | } | |
170 | ||
171 | static int ReadExtented(struct tda_state *state, u8 * Regs) | |
172 | { | |
173 | return i2c_readn(state->i2c, state->adr, Regs, NUM_REGS); | |
174 | } | |
175 | ||
0fe44629 | 176 | static int UpdateRegs(struct tda_state *state, u8 RegFrom, u8 RegTo) |
e8783950 RM |
177 | { |
178 | return WriteRegs(state, RegFrom, | |
179 | &state->m_Regs[RegFrom], RegTo-RegFrom+1); | |
180 | } | |
181 | static int UpdateReg(struct tda_state *state, u8 Reg) | |
182 | { | |
0fe44629 | 183 | return WriteReg(state, Reg, state->m_Regs[Reg]); |
e8783950 RM |
184 | } |
185 | ||
186 | #include "tda18271c2dd_maps.h" | |
187 | ||
e8783950 RM |
188 | static void reset(struct tda_state *state) |
189 | { | |
190 | u32 ulIFLevelAnalog = 0; | |
191 | u32 ulIFLevelDigital = 2; | |
192 | u32 ulIFLevelDVBC = 7; | |
193 | u32 ulIFLevelDVBT = 6; | |
194 | u32 ulXTOut = 0; | |
0fe44629 | 195 | u32 ulStandbyMode = 0x06; /* Send in stdb, but leave osc on */ |
e8783950 RM |
196 | u32 ulSlave = 0; |
197 | u32 ulFMInput = 0; | |
198 | u32 ulSettlingTime = 100; | |
199 | ||
200 | state->m_Frequency = 0; | |
201 | state->m_SettlingTime = 100; | |
202 | state->m_IFLevelAnalog = (ulIFLevelAnalog & 0x07) << 2; | |
203 | state->m_IFLevelDigital = (ulIFLevelDigital & 0x07) << 2; | |
204 | state->m_IFLevelDVBC = (ulIFLevelDVBC & 0x07) << 2; | |
205 | state->m_IFLevelDVBT = (ulIFLevelDVBT & 0x07) << 2; | |
206 | ||
207 | state->m_EP4 = 0x20; | |
0fe44629 OE |
208 | if (ulXTOut != 0) |
209 | state->m_EP4 |= 0x40; | |
e8783950 RM |
210 | |
211 | state->m_EP3_Standby = ((ulStandbyMode & 0x07) << 5) | 0x0F; | |
212 | state->m_bMaster = (ulSlave == 0); | |
213 | ||
214 | state->m_SettlingTime = ulSettlingTime; | |
215 | ||
216 | state->m_bFMInput = (ulFMInput == 2); | |
217 | } | |
218 | ||
219 | static bool SearchMap1(struct SMap Map[], | |
220 | u32 Frequency, u8 *pParam) | |
221 | { | |
222 | int i = 0; | |
223 | ||
0fe44629 | 224 | while ((Map[i].m_Frequency != 0) && (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
225 | i += 1; |
226 | if (Map[i].m_Frequency == 0) | |
227 | return false; | |
228 | *pParam = Map[i].m_Param; | |
229 | return true; | |
230 | } | |
231 | ||
232 | static bool SearchMap2(struct SMapI Map[], | |
233 | u32 Frequency, s32 *pParam) | |
234 | { | |
235 | int i = 0; | |
236 | ||
237 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 238 | (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
239 | i += 1; |
240 | if (Map[i].m_Frequency == 0) | |
241 | return false; | |
242 | *pParam = Map[i].m_Param; | |
243 | return true; | |
244 | } | |
245 | ||
0fe44629 | 246 | static bool SearchMap3(struct SMap2 Map[], u32 Frequency, |
e8783950 RM |
247 | u8 *pParam1, u8 *pParam2) |
248 | { | |
249 | int i = 0; | |
250 | ||
251 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 252 | (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
253 | i += 1; |
254 | if (Map[i].m_Frequency == 0) | |
255 | return false; | |
256 | *pParam1 = Map[i].m_Param1; | |
257 | *pParam2 = Map[i].m_Param2; | |
258 | return true; | |
259 | } | |
260 | ||
261 | static bool SearchMap4(struct SRFBandMap Map[], | |
262 | u32 Frequency, u8 *pRFBand) | |
263 | { | |
264 | int i = 0; | |
265 | ||
266 | while (i < 7 && (Frequency > Map[i].m_RF_max)) | |
267 | i += 1; | |
268 | if (i == 7) | |
269 | return false; | |
270 | *pRFBand = i; | |
271 | return true; | |
272 | } | |
273 | ||
274 | static int ThermometerRead(struct tda_state *state, u8 *pTM_Value) | |
275 | { | |
276 | int status = 0; | |
277 | ||
278 | do { | |
279 | u8 Regs[16]; | |
280 | state->m_Regs[TM] |= 0x10; | |
469ffe08 MCC |
281 | status = UpdateReg(state, TM); |
282 | if (status < 0) | |
283 | break; | |
284 | status = Read(state, Regs); | |
285 | if (status < 0) | |
286 | break; | |
0fe44629 OE |
287 | if (((Regs[TM] & 0x0F) == 0 && (Regs[TM] & 0x20) == 0x20) || |
288 | ((Regs[TM] & 0x0F) == 8 && (Regs[TM] & 0x20) == 0x00)) { | |
e8783950 | 289 | state->m_Regs[TM] ^= 0x20; |
469ffe08 MCC |
290 | status = UpdateReg(state, TM); |
291 | if (status < 0) | |
292 | break; | |
e8783950 | 293 | msleep(10); |
469ffe08 MCC |
294 | status = Read(state, Regs); |
295 | if (status < 0) | |
296 | break; | |
e8783950 | 297 | } |
0fe44629 OE |
298 | *pTM_Value = (Regs[TM] & 0x20) |
299 | ? m_Thermometer_Map_2[Regs[TM] & 0x0F] | |
300 | : m_Thermometer_Map_1[Regs[TM] & 0x0F] ; | |
301 | state->m_Regs[TM] &= ~0x10; /* Thermometer off */ | |
469ffe08 MCC |
302 | status = UpdateReg(state, TM); |
303 | if (status < 0) | |
304 | break; | |
0fe44629 | 305 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 ????????? */ |
469ffe08 MCC |
306 | status = UpdateReg(state, EP4); |
307 | if (status < 0) | |
308 | break; | |
0fe44629 | 309 | } while (0); |
e8783950 RM |
310 | |
311 | return status; | |
312 | } | |
313 | ||
314 | static int StandBy(struct tda_state *state) | |
315 | { | |
316 | int status = 0; | |
317 | do { | |
0fe44629 | 318 | state->m_Regs[EB12] &= ~0x20; /* PD_AGC1_Det = 0 */ |
469ffe08 MCC |
319 | status = UpdateReg(state, EB12); |
320 | if (status < 0) | |
321 | break; | |
0fe44629 | 322 | state->m_Regs[EB18] &= ~0x83; /* AGC1_loop_off = 0, AGC1_Gain = 6 dB */ |
469ffe08 MCC |
323 | status = UpdateReg(state, EB18); |
324 | if (status < 0) | |
325 | break; | |
0fe44629 | 326 | state->m_Regs[EB21] |= 0x03; /* AGC2_Gain = -6 dB */ |
e8783950 | 327 | state->m_Regs[EP3] = state->m_EP3_Standby; |
469ffe08 MCC |
328 | status = UpdateReg(state, EP3); |
329 | if (status < 0) | |
330 | break; | |
0fe44629 | 331 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LP_Fc[2] = 0 */ |
469ffe08 MCC |
332 | status = UpdateRegs(state, EB21, EB23); |
333 | if (status < 0) | |
334 | break; | |
0fe44629 | 335 | } while (0); |
e8783950 RM |
336 | return status; |
337 | } | |
338 | ||
339 | static int CalcMainPLL(struct tda_state *state, u32 freq) | |
340 | { | |
341 | ||
342 | u8 PostDiv; | |
343 | u8 Div; | |
344 | u64 OscFreq; | |
345 | u32 MainDiv; | |
346 | ||
0fe44629 | 347 | if (!SearchMap3(m_Main_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 348 | return -EINVAL; |
e8783950 RM |
349 | |
350 | OscFreq = (u64) freq * (u64) Div; | |
351 | OscFreq *= (u64) 16384; | |
352 | do_div(OscFreq, (u64)16000000); | |
353 | MainDiv = OscFreq; | |
354 | ||
355 | state->m_Regs[MPD] = PostDiv & 0x77; | |
356 | state->m_Regs[MD1] = ((MainDiv >> 16) & 0x7F); | |
357 | state->m_Regs[MD2] = ((MainDiv >> 8) & 0xFF); | |
0fe44629 | 358 | state->m_Regs[MD3] = (MainDiv & 0xFF); |
e8783950 RM |
359 | |
360 | return UpdateRegs(state, MPD, MD3); | |
361 | } | |
362 | ||
363 | static int CalcCalPLL(struct tda_state *state, u32 freq) | |
364 | { | |
e8783950 RM |
365 | u8 PostDiv; |
366 | u8 Div; | |
367 | u64 OscFreq; | |
368 | u32 CalDiv; | |
369 | ||
0fe44629 | 370 | if (!SearchMap3(m_Cal_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 371 | return -EINVAL; |
e8783950 RM |
372 | |
373 | OscFreq = (u64)freq * (u64)Div; | |
0fe44629 OE |
374 | /* CalDiv = u32( OscFreq * 16384 / 16000000 ); */ |
375 | OscFreq *= (u64)16384; | |
e8783950 | 376 | do_div(OscFreq, (u64)16000000); |
0fe44629 | 377 | CalDiv = OscFreq; |
e8783950 RM |
378 | |
379 | state->m_Regs[CPD] = PostDiv; | |
380 | state->m_Regs[CD1] = ((CalDiv >> 16) & 0xFF); | |
381 | state->m_Regs[CD2] = ((CalDiv >> 8) & 0xFF); | |
0fe44629 | 382 | state->m_Regs[CD3] = (CalDiv & 0xFF); |
e8783950 | 383 | |
0fe44629 | 384 | return UpdateRegs(state, CPD, CD3); |
e8783950 RM |
385 | } |
386 | ||
387 | static int CalibrateRF(struct tda_state *state, | |
0fe44629 | 388 | u8 RFBand, u32 freq, s32 *pCprog) |
e8783950 | 389 | { |
e8783950 RM |
390 | int status = 0; |
391 | u8 Regs[NUM_REGS]; | |
392 | do { | |
0fe44629 OE |
393 | u8 BP_Filter = 0; |
394 | u8 GainTaper = 0; | |
395 | u8 RFC_K = 0; | |
396 | u8 RFC_M = 0; | |
397 | ||
398 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 */ | |
469ffe08 MCC |
399 | status = UpdateReg(state, EP4); |
400 | if (status < 0) | |
401 | break; | |
0fe44629 | 402 | state->m_Regs[EB18] |= 0x03; /* AGC1_Gain = 3 */ |
469ffe08 MCC |
403 | status = UpdateReg(state, EB18); |
404 | if (status < 0) | |
405 | break; | |
0fe44629 OE |
406 | |
407 | /* Switching off LT (as datasheet says) causes calibration on C1 to fail */ | |
408 | /* (Readout of Cprog is allways 255) */ | |
409 | if (state->m_Regs[ID] != 0x83) /* C1: ID == 83, C2: ID == 84 */ | |
410 | state->m_Regs[EP3] |= 0x40; /* SM_LT = 1 */ | |
411 | ||
412 | if (!(SearchMap1(m_BP_Filter_Map, freq, &BP_Filter) && | |
413 | SearchMap1(m_GainTaper_Map, freq, &GainTaper) && | |
414 | SearchMap3(m_KM_Map, freq, &RFC_K, &RFC_M))) | |
e8783950 | 415 | return -EINVAL; |
e8783950 RM |
416 | |
417 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | BP_Filter; | |
418 | state->m_Regs[EP2] = (RFBand << 5) | GainTaper; | |
419 | ||
420 | state->m_Regs[EB13] = (state->m_Regs[EB13] & ~0x7C) | (RFC_K << 4) | (RFC_M << 2); | |
421 | ||
469ffe08 MCC |
422 | status = UpdateRegs(state, EP1, EP3); |
423 | if (status < 0) | |
424 | break; | |
425 | status = UpdateReg(state, EB13); | |
426 | if (status < 0) | |
427 | break; | |
e8783950 | 428 | |
0fe44629 | 429 | state->m_Regs[EB4] |= 0x20; /* LO_ForceSrce = 1 */ |
469ffe08 MCC |
430 | status = UpdateReg(state, EB4); |
431 | if (status < 0) | |
432 | break; | |
e8783950 | 433 | |
0fe44629 | 434 | state->m_Regs[EB7] |= 0x20; /* CAL_ForceSrce = 1 */ |
469ffe08 MCC |
435 | status = UpdateReg(state, EB7); |
436 | if (status < 0) | |
437 | break; | |
e8783950 | 438 | |
0fe44629 | 439 | state->m_Regs[EB14] = 0; /* RFC_Cprog = 0 */ |
469ffe08 MCC |
440 | status = UpdateReg(state, EB14); |
441 | if (status < 0) | |
442 | break; | |
e8783950 | 443 | |
0fe44629 | 444 | state->m_Regs[EB20] &= ~0x20; /* ForceLock = 0; */ |
469ffe08 MCC |
445 | status = UpdateReg(state, EB20); |
446 | if (status < 0) | |
447 | break; | |
e8783950 | 448 | |
0fe44629 | 449 | state->m_Regs[EP4] |= 0x03; /* CAL_Mode = 3 */ |
469ffe08 MCC |
450 | status = UpdateRegs(state, EP4, EP5); |
451 | if (status < 0) | |
452 | break; | |
e8783950 | 453 | |
469ffe08 MCC |
454 | status = CalcCalPLL(state, freq); |
455 | if (status < 0) | |
456 | break; | |
457 | status = CalcMainPLL(state, freq + 1000000); | |
458 | if (status < 0) | |
459 | break; | |
e8783950 RM |
460 | |
461 | msleep(5); | |
469ffe08 MCC |
462 | status = UpdateReg(state, EP2); |
463 | if (status < 0) | |
464 | break; | |
465 | status = UpdateReg(state, EP1); | |
466 | if (status < 0) | |
467 | break; | |
468 | status = UpdateReg(state, EP2); | |
469 | if (status < 0) | |
470 | break; | |
471 | status = UpdateReg(state, EP1); | |
472 | if (status < 0) | |
473 | break; | |
e8783950 | 474 | |
0fe44629 | 475 | state->m_Regs[EB4] &= ~0x20; /* LO_ForceSrce = 0 */ |
469ffe08 MCC |
476 | status = UpdateReg(state, EB4); |
477 | if (status < 0) | |
478 | break; | |
e8783950 | 479 | |
0fe44629 | 480 | state->m_Regs[EB7] &= ~0x20; /* CAL_ForceSrce = 0 */ |
469ffe08 MCC |
481 | status = UpdateReg(state, EB7); |
482 | if (status < 0) | |
483 | break; | |
e8783950 RM |
484 | msleep(10); |
485 | ||
0fe44629 | 486 | state->m_Regs[EB20] |= 0x20; /* ForceLock = 1; */ |
469ffe08 MCC |
487 | status = UpdateReg(state, EB20); |
488 | if (status < 0) | |
489 | break; | |
e8783950 RM |
490 | msleep(60); |
491 | ||
0fe44629 OE |
492 | state->m_Regs[EP4] &= ~0x03; /* CAL_Mode = 0 */ |
493 | state->m_Regs[EP3] &= ~0x40; /* SM_LT = 0 */ | |
494 | state->m_Regs[EB18] &= ~0x03; /* AGC1_Gain = 0 */ | |
469ffe08 MCC |
495 | status = UpdateReg(state, EB18); |
496 | if (status < 0) | |
497 | break; | |
498 | status = UpdateRegs(state, EP3, EP4); | |
499 | if (status < 0) | |
500 | break; | |
501 | status = UpdateReg(state, EP1); | |
502 | if (status < 0) | |
503 | break; | |
e8783950 | 504 | |
469ffe08 MCC |
505 | status = ReadExtented(state, Regs); |
506 | if (status < 0) | |
507 | break; | |
e8783950 RM |
508 | |
509 | *pCprog = Regs[EB14]; | |
e8783950 | 510 | |
0fe44629 | 511 | } while (0); |
e8783950 RM |
512 | return status; |
513 | } | |
514 | ||
515 | static int RFTrackingFiltersInit(struct tda_state *state, | |
516 | u8 RFBand) | |
517 | { | |
e8783950 RM |
518 | int status = 0; |
519 | ||
520 | u32 RF1 = m_RF_Band_Map[RFBand].m_RF1_Default; | |
521 | u32 RF2 = m_RF_Band_Map[RFBand].m_RF2_Default; | |
522 | u32 RF3 = m_RF_Band_Map[RFBand].m_RF3_Default; | |
523 | bool bcal = false; | |
524 | ||
525 | s32 Cprog_cal1 = 0; | |
526 | s32 Cprog_table1 = 0; | |
527 | s32 Cprog_cal2 = 0; | |
528 | s32 Cprog_table2 = 0; | |
529 | s32 Cprog_cal3 = 0; | |
530 | s32 Cprog_table3 = 0; | |
531 | ||
532 | state->m_RF_A1[RFBand] = 0; | |
533 | state->m_RF_B1[RFBand] = 0; | |
534 | state->m_RF_A2[RFBand] = 0; | |
535 | state->m_RF_B2[RFBand] = 0; | |
536 | ||
537 | do { | |
469ffe08 MCC |
538 | status = PowerScan(state, RFBand, RF1, &RF1, &bcal); |
539 | if (status < 0) | |
540 | break; | |
0fe44629 | 541 | if (bcal) { |
469ffe08 MCC |
542 | status = CalibrateRF(state, RFBand, RF1, &Cprog_cal1); |
543 | if (status < 0) | |
544 | break; | |
e8783950 | 545 | } |
0fe44629 OE |
546 | SearchMap2(m_RF_Cal_Map, RF1, &Cprog_table1); |
547 | if (!bcal) | |
e8783950 | 548 | Cprog_cal1 = Cprog_table1; |
e8783950 | 549 | state->m_RF_B1[RFBand] = Cprog_cal1 - Cprog_table1; |
0fe44629 | 550 | /* state->m_RF_A1[RF_Band] = ???? */ |
e8783950 | 551 | |
0fe44629 OE |
552 | if (RF2 == 0) |
553 | break; | |
e8783950 | 554 | |
469ffe08 MCC |
555 | status = PowerScan(state, RFBand, RF2, &RF2, &bcal); |
556 | if (status < 0) | |
557 | break; | |
0fe44629 | 558 | if (bcal) { |
469ffe08 MCC |
559 | status = CalibrateRF(state, RFBand, RF2, &Cprog_cal2); |
560 | if (status < 0) | |
561 | break; | |
e8783950 | 562 | } |
0fe44629 OE |
563 | SearchMap2(m_RF_Cal_Map, RF2, &Cprog_table2); |
564 | if (!bcal) | |
e8783950 | 565 | Cprog_cal2 = Cprog_table2; |
e8783950 RM |
566 | |
567 | state->m_RF_A1[RFBand] = | |
568 | (Cprog_cal2 - Cprog_table2 - Cprog_cal1 + Cprog_table1) / | |
0fe44629 | 569 | ((s32)(RF2) - (s32)(RF1)); |
e8783950 | 570 | |
0fe44629 OE |
571 | if (RF3 == 0) |
572 | break; | |
e8783950 | 573 | |
469ffe08 MCC |
574 | status = PowerScan(state, RFBand, RF3, &RF3, &bcal); |
575 | if (status < 0) | |
576 | break; | |
0fe44629 | 577 | if (bcal) { |
469ffe08 MCC |
578 | status = CalibrateRF(state, RFBand, RF3, &Cprog_cal3); |
579 | if (status < 0) | |
580 | break; | |
e8783950 | 581 | } |
0fe44629 OE |
582 | SearchMap2(m_RF_Cal_Map, RF3, &Cprog_table3); |
583 | if (!bcal) | |
e8783950 | 584 | Cprog_cal3 = Cprog_table3; |
0fe44629 | 585 | state->m_RF_A2[RFBand] = (Cprog_cal3 - Cprog_table3 - Cprog_cal2 + Cprog_table2) / ((s32)(RF3) - (s32)(RF2)); |
e8783950 RM |
586 | state->m_RF_B2[RFBand] = Cprog_cal2 - Cprog_table2; |
587 | ||
0fe44629 | 588 | } while (0); |
e8783950 RM |
589 | |
590 | state->m_RF1[RFBand] = RF1; | |
591 | state->m_RF2[RFBand] = RF2; | |
592 | state->m_RF3[RFBand] = RF3; | |
593 | ||
594 | #if 0 | |
f3d40bd0 | 595 | printk(KERN_ERR "tda18271c2dd: %s %d RF1 = %d A1 = %d B1 = %d RF2 = %d A2 = %d B2 = %d RF3 = %d\n", __func__, |
0fe44629 OE |
596 | RFBand, RF1, state->m_RF_A1[RFBand], state->m_RF_B1[RFBand], RF2, |
597 | state->m_RF_A2[RFBand], state->m_RF_B2[RFBand], RF3); | |
e8783950 RM |
598 | #endif |
599 | ||
600 | return status; | |
601 | } | |
602 | ||
603 | static int PowerScan(struct tda_state *state, | |
0fe44629 | 604 | u8 RFBand, u32 RF_in, u32 *pRF_Out, bool *pbcal) |
e8783950 | 605 | { |
0fe44629 OE |
606 | int status = 0; |
607 | do { | |
608 | u8 Gain_Taper = 0; | |
609 | s32 RFC_Cprog = 0; | |
610 | u8 CID_Target = 0; | |
611 | u8 CountLimit = 0; | |
612 | u32 freq_MainPLL; | |
613 | u8 Regs[NUM_REGS]; | |
614 | u8 CID_Gain; | |
615 | s32 Count = 0; | |
616 | int sign = 1; | |
617 | bool wait = false; | |
618 | ||
619 | if (!(SearchMap2(m_RF_Cal_Map, RF_in, &RFC_Cprog) && | |
620 | SearchMap1(m_GainTaper_Map, RF_in, &Gain_Taper) && | |
621 | SearchMap3(m_CID_Target_Map, RF_in, &CID_Target, &CountLimit))) { | |
622 | ||
f3d40bd0 | 623 | printk(KERN_ERR "tda18271c2dd: %s Search map failed\n", __func__); |
0fe44629 OE |
624 | return -EINVAL; |
625 | } | |
626 | ||
627 | state->m_Regs[EP2] = (RFBand << 5) | Gain_Taper; | |
628 | state->m_Regs[EB14] = (RFC_Cprog); | |
469ffe08 MCC |
629 | status = UpdateReg(state, EP2); |
630 | if (status < 0) | |
631 | break; | |
632 | status = UpdateReg(state, EB14); | |
633 | if (status < 0) | |
634 | break; | |
0fe44629 OE |
635 | |
636 | freq_MainPLL = RF_in + 1000000; | |
469ffe08 MCC |
637 | status = CalcMainPLL(state, freq_MainPLL); |
638 | if (status < 0) | |
639 | break; | |
0fe44629 OE |
640 | msleep(5); |
641 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x03) | 1; /* CAL_mode = 1 */ | |
469ffe08 MCC |
642 | status = UpdateReg(state, EP4); |
643 | if (status < 0) | |
644 | break; | |
645 | status = UpdateReg(state, EP2); /* Launch power measurement */ | |
646 | if (status < 0) | |
647 | break; | |
648 | status = ReadExtented(state, Regs); | |
649 | if (status < 0) | |
650 | break; | |
0fe44629 OE |
651 | CID_Gain = Regs[EB10] & 0x3F; |
652 | state->m_Regs[ID] = Regs[ID]; /* Chip version, (needed for C1 workarround in CalibrateRF) */ | |
653 | ||
654 | *pRF_Out = RF_in; | |
655 | ||
656 | while (CID_Gain < CID_Target) { | |
657 | freq_MainPLL = RF_in + sign * Count + 1000000; | |
469ffe08 MCC |
658 | status = CalcMainPLL(state, freq_MainPLL); |
659 | if (status < 0) | |
660 | break; | |
0fe44629 OE |
661 | msleep(wait ? 5 : 1); |
662 | wait = false; | |
469ffe08 MCC |
663 | status = UpdateReg(state, EP2); /* Launch power measurement */ |
664 | if (status < 0) | |
665 | break; | |
666 | status = ReadExtented(state, Regs); | |
667 | if (status < 0) | |
668 | break; | |
0fe44629 OE |
669 | CID_Gain = Regs[EB10] & 0x3F; |
670 | Count += 200000; | |
671 | ||
672 | if (Count < CountLimit * 100000) | |
673 | continue; | |
674 | if (sign < 0) | |
675 | break; | |
676 | ||
677 | sign = -sign; | |
678 | Count = 200000; | |
679 | wait = true; | |
680 | } | |
469ffe08 MCC |
681 | status = status; |
682 | if (status < 0) | |
683 | break; | |
0fe44629 OE |
684 | if (CID_Gain >= CID_Target) { |
685 | *pbcal = true; | |
686 | *pRF_Out = freq_MainPLL - 1000000; | |
687 | } else | |
688 | *pbcal = false; | |
689 | } while (0); | |
690 | ||
691 | return status; | |
e8783950 RM |
692 | } |
693 | ||
694 | static int PowerScanInit(struct tda_state *state) | |
695 | { | |
e8783950 | 696 | int status = 0; |
0fe44629 | 697 | do { |
e8783950 | 698 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | 0x12; |
0fe44629 | 699 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x1F); /* If level = 0, Cal mode = 0 */ |
469ffe08 MCC |
700 | status = UpdateRegs(state, EP3, EP4); |
701 | if (status < 0) | |
702 | break; | |
0fe44629 | 703 | state->m_Regs[EB18] = (state->m_Regs[EB18] & ~0x03); /* AGC 1 Gain = 0 */ |
469ffe08 MCC |
704 | status = UpdateReg(state, EB18); |
705 | if (status < 0) | |
706 | break; | |
0fe44629 OE |
707 | state->m_Regs[EB21] = (state->m_Regs[EB21] & ~0x03); /* AGC 2 Gain = 0 (Datasheet = 3) */ |
708 | state->m_Regs[EB23] = (state->m_Regs[EB23] | 0x06); /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
469ffe08 MCC |
709 | status = UpdateRegs(state, EB21, EB23); |
710 | if (status < 0) | |
711 | break; | |
0fe44629 | 712 | } while (0); |
e8783950 RM |
713 | return status; |
714 | } | |
715 | ||
716 | static int CalcRFFilterCurve(struct tda_state *state) | |
717 | { | |
e8783950 | 718 | int status = 0; |
0fe44629 OE |
719 | do { |
720 | msleep(200); /* Temperature stabilisation */ | |
469ffe08 MCC |
721 | status = PowerScanInit(state); |
722 | if (status < 0) | |
723 | break; | |
724 | status = RFTrackingFiltersInit(state, 0); | |
725 | if (status < 0) | |
726 | break; | |
727 | status = RFTrackingFiltersInit(state, 1); | |
728 | if (status < 0) | |
729 | break; | |
730 | status = RFTrackingFiltersInit(state, 2); | |
731 | if (status < 0) | |
732 | break; | |
733 | status = RFTrackingFiltersInit(state, 3); | |
734 | if (status < 0) | |
735 | break; | |
736 | status = RFTrackingFiltersInit(state, 4); | |
737 | if (status < 0) | |
738 | break; | |
739 | status = RFTrackingFiltersInit(state, 5); | |
740 | if (status < 0) | |
741 | break; | |
742 | status = RFTrackingFiltersInit(state, 6); | |
743 | if (status < 0) | |
744 | break; | |
745 | status = ThermometerRead(state, &state->m_TMValue_RFCal); /* also switches off Cal mode !!! */ | |
746 | if (status < 0) | |
747 | break; | |
0fe44629 | 748 | } while (0); |
e8783950 RM |
749 | |
750 | return status; | |
751 | } | |
752 | ||
753 | static int FixedContentsI2CUpdate(struct tda_state *state) | |
754 | { | |
755 | static u8 InitRegs[] = { | |
0fe44629 OE |
756 | 0x08, 0x80, 0xC6, |
757 | 0xDF, 0x16, 0x60, 0x80, | |
758 | 0x80, 0x00, 0x00, 0x00, | |
759 | 0x00, 0x00, 0x00, 0x00, | |
760 | 0xFC, 0x01, 0x84, 0x41, | |
761 | 0x01, 0x84, 0x40, 0x07, | |
762 | 0x00, 0x00, 0x96, 0x3F, | |
763 | 0xC1, 0x00, 0x8F, 0x00, | |
764 | 0x00, 0x8C, 0x00, 0x20, | |
765 | 0xB3, 0x48, 0xB0, | |
e8783950 RM |
766 | }; |
767 | int status = 0; | |
0fe44629 | 768 | memcpy(&state->m_Regs[TM], InitRegs, EB23 - TM + 1); |
e8783950 | 769 | do { |
469ffe08 MCC |
770 | status = UpdateRegs(state, TM, EB23); |
771 | if (status < 0) | |
772 | break; | |
e8783950 | 773 | |
0fe44629 | 774 | /* AGC1 gain setup */ |
e8783950 | 775 | state->m_Regs[EB17] = 0x00; |
469ffe08 MCC |
776 | status = UpdateReg(state, EB17); |
777 | if (status < 0) | |
778 | break; | |
e8783950 | 779 | state->m_Regs[EB17] = 0x03; |
469ffe08 MCC |
780 | status = UpdateReg(state, EB17); |
781 | if (status < 0) | |
782 | break; | |
e8783950 | 783 | state->m_Regs[EB17] = 0x43; |
469ffe08 MCC |
784 | status = UpdateReg(state, EB17); |
785 | if (status < 0) | |
786 | break; | |
e8783950 | 787 | state->m_Regs[EB17] = 0x4C; |
469ffe08 MCC |
788 | status = UpdateReg(state, EB17); |
789 | if (status < 0) | |
790 | break; | |
e8783950 | 791 | |
0fe44629 | 792 | /* IRC Cal Low band */ |
e8783950 RM |
793 | state->m_Regs[EP3] = 0x1F; |
794 | state->m_Regs[EP4] = 0x66; | |
795 | state->m_Regs[EP5] = 0x81; | |
796 | state->m_Regs[CPD] = 0xCC; | |
797 | state->m_Regs[CD1] = 0x6C; | |
798 | state->m_Regs[CD2] = 0x00; | |
799 | state->m_Regs[CD3] = 0x00; | |
800 | state->m_Regs[MPD] = 0xC5; | |
801 | state->m_Regs[MD1] = 0x77; | |
802 | state->m_Regs[MD2] = 0x08; | |
803 | state->m_Regs[MD3] = 0x00; | |
469ffe08 MCC |
804 | status = UpdateRegs(state, EP2, MD3); /* diff between sw and datasheet (ep3-md3) */ |
805 | if (status < 0) | |
806 | break; | |
e8783950 | 807 | |
0fe44629 OE |
808 | #if 0 |
809 | state->m_Regs[EB4] = 0x61; /* missing in sw */ | |
469ffe08 MCC |
810 | status = UpdateReg(state, EB4); |
811 | if (status < 0) | |
812 | break; | |
0fe44629 OE |
813 | msleep(1); |
814 | state->m_Regs[EB4] = 0x41; | |
469ffe08 MCC |
815 | status = UpdateReg(state, EB4); |
816 | if (status < 0) | |
817 | break; | |
0fe44629 | 818 | #endif |
e8783950 RM |
819 | |
820 | msleep(5); | |
469ffe08 MCC |
821 | status = UpdateReg(state, EP1); |
822 | if (status < 0) | |
823 | break; | |
e8783950 RM |
824 | msleep(5); |
825 | ||
826 | state->m_Regs[EP5] = 0x85; | |
827 | state->m_Regs[CPD] = 0xCB; | |
828 | state->m_Regs[CD1] = 0x66; | |
829 | state->m_Regs[CD2] = 0x70; | |
469ffe08 MCC |
830 | status = UpdateRegs(state, EP3, CD3); |
831 | if (status < 0) | |
832 | break; | |
e8783950 | 833 | msleep(5); |
469ffe08 MCC |
834 | status = UpdateReg(state, EP2); |
835 | if (status < 0) | |
836 | break; | |
e8783950 RM |
837 | msleep(30); |
838 | ||
0fe44629 | 839 | /* IRC Cal mid band */ |
e8783950 RM |
840 | state->m_Regs[EP5] = 0x82; |
841 | state->m_Regs[CPD] = 0xA8; | |
842 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 843 | state->m_Regs[MPD] = 0xA1; /* Datasheet = 0xA9 */ |
e8783950 RM |
844 | state->m_Regs[MD1] = 0x73; |
845 | state->m_Regs[MD2] = 0x1A; | |
469ffe08 MCC |
846 | status = UpdateRegs(state, EP3, MD3); |
847 | if (status < 0) | |
848 | break; | |
e8783950 RM |
849 | |
850 | msleep(5); | |
469ffe08 MCC |
851 | status = UpdateReg(state, EP1); |
852 | if (status < 0) | |
853 | break; | |
e8783950 RM |
854 | msleep(5); |
855 | ||
856 | state->m_Regs[EP5] = 0x86; | |
857 | state->m_Regs[CPD] = 0xA8; | |
858 | state->m_Regs[CD1] = 0x66; | |
859 | state->m_Regs[CD2] = 0xA0; | |
469ffe08 MCC |
860 | status = UpdateRegs(state, EP3, CD3); |
861 | if (status < 0) | |
862 | break; | |
e8783950 | 863 | msleep(5); |
469ffe08 MCC |
864 | status = UpdateReg(state, EP2); |
865 | if (status < 0) | |
866 | break; | |
e8783950 RM |
867 | msleep(30); |
868 | ||
0fe44629 | 869 | /* IRC Cal high band */ |
e8783950 RM |
870 | state->m_Regs[EP5] = 0x83; |
871 | state->m_Regs[CPD] = 0x98; | |
872 | state->m_Regs[CD1] = 0x65; | |
873 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 874 | state->m_Regs[MPD] = 0x91; /* Datasheet = 0x91 */ |
e8783950 RM |
875 | state->m_Regs[MD1] = 0x71; |
876 | state->m_Regs[MD2] = 0xCD; | |
469ffe08 MCC |
877 | status = UpdateRegs(state, EP3, MD3); |
878 | if (status < 0) | |
879 | break; | |
e8783950 | 880 | msleep(5); |
469ffe08 MCC |
881 | status = UpdateReg(state, EP1); |
882 | if (status < 0) | |
883 | break; | |
e8783950 RM |
884 | msleep(5); |
885 | state->m_Regs[EP5] = 0x87; | |
886 | state->m_Regs[CD1] = 0x65; | |
887 | state->m_Regs[CD2] = 0x50; | |
469ffe08 MCC |
888 | status = UpdateRegs(state, EP3, CD3); |
889 | if (status < 0) | |
890 | break; | |
e8783950 | 891 | msleep(5); |
469ffe08 MCC |
892 | status = UpdateReg(state, EP2); |
893 | if (status < 0) | |
894 | break; | |
e8783950 RM |
895 | msleep(30); |
896 | ||
0fe44629 | 897 | /* Back to normal */ |
e8783950 | 898 | state->m_Regs[EP4] = 0x64; |
469ffe08 MCC |
899 | status = UpdateReg(state, EP4); |
900 | if (status < 0) | |
901 | break; | |
902 | status = UpdateReg(state, EP1); | |
903 | if (status < 0) | |
904 | break; | |
e8783950 | 905 | |
0fe44629 | 906 | } while (0); |
e8783950 RM |
907 | return status; |
908 | } | |
909 | ||
910 | static int InitCal(struct tda_state *state) | |
911 | { | |
912 | int status = 0; | |
913 | ||
0fe44629 | 914 | do { |
469ffe08 MCC |
915 | status = FixedContentsI2CUpdate(state); |
916 | if (status < 0) | |
917 | break; | |
918 | status = CalcRFFilterCurve(state); | |
919 | if (status < 0) | |
920 | break; | |
921 | status = StandBy(state); | |
922 | if (status < 0) | |
923 | break; | |
0fe44629 OE |
924 | /* m_bInitDone = true; */ |
925 | } while (0); | |
e8783950 RM |
926 | return status; |
927 | }; | |
928 | ||
929 | static int RFTrackingFiltersCorrection(struct tda_state *state, | |
930 | u32 Frequency) | |
931 | { | |
932 | int status = 0; | |
933 | s32 Cprog_table; | |
934 | u8 RFBand; | |
935 | u8 dCoverdT; | |
936 | ||
0fe44629 OE |
937 | if (!SearchMap2(m_RF_Cal_Map, Frequency, &Cprog_table) || |
938 | !SearchMap4(m_RF_Band_Map, Frequency, &RFBand) || | |
939 | !SearchMap1(m_RF_Cal_DC_Over_DT_Map, Frequency, &dCoverdT)) | |
940 | ||
e8783950 | 941 | return -EINVAL; |
e8783950 | 942 | |
0fe44629 | 943 | do { |
e8783950 RM |
944 | u8 TMValue_Current; |
945 | u32 RF1 = state->m_RF1[RFBand]; | |
946 | u32 RF2 = state->m_RF1[RFBand]; | |
947 | u32 RF3 = state->m_RF1[RFBand]; | |
948 | s32 RF_A1 = state->m_RF_A1[RFBand]; | |
949 | s32 RF_B1 = state->m_RF_B1[RFBand]; | |
950 | s32 RF_A2 = state->m_RF_A2[RFBand]; | |
951 | s32 RF_B2 = state->m_RF_B2[RFBand]; | |
952 | s32 Capprox = 0; | |
953 | int TComp; | |
954 | ||
0fe44629 | 955 | state->m_Regs[EP3] &= ~0xE0; /* Power up */ |
469ffe08 MCC |
956 | status = UpdateReg(state, EP3); |
957 | if (status < 0) | |
958 | break; | |
e8783950 | 959 | |
469ffe08 MCC |
960 | status = ThermometerRead(state, &TMValue_Current); |
961 | if (status < 0) | |
962 | break; | |
e8783950 | 963 | |
0fe44629 | 964 | if (RF3 == 0 || Frequency < RF2) |
e8783950 | 965 | Capprox = RF_A1 * ((s32)(Frequency) - (s32)(RF1)) + RF_B1 + Cprog_table; |
e8783950 | 966 | else |
e8783950 | 967 | Capprox = RF_A2 * ((s32)(Frequency) - (s32)(RF2)) + RF_B2 + Cprog_table; |
e8783950 RM |
968 | |
969 | TComp = (int)(dCoverdT) * ((int)(TMValue_Current) - (int)(state->m_TMValue_RFCal))/1000; | |
970 | ||
971 | Capprox += TComp; | |
972 | ||
0fe44629 OE |
973 | if (Capprox < 0) |
974 | Capprox = 0; | |
975 | else if (Capprox > 255) | |
976 | Capprox = 255; | |
e8783950 RM |
977 | |
978 | ||
0fe44629 OE |
979 | /* TODO Temperature compensation. There is defenitely a scale factor */ |
980 | /* missing in the datasheet, so leave it out for now. */ | |
981 | state->m_Regs[EB14] = Capprox; | |
e8783950 | 982 | |
469ffe08 MCC |
983 | status = UpdateReg(state, EB14); |
984 | if (status < 0) | |
985 | break; | |
e8783950 | 986 | |
0fe44629 | 987 | } while (0); |
e8783950 RM |
988 | return status; |
989 | } | |
990 | ||
991 | static int ChannelConfiguration(struct tda_state *state, | |
992 | u32 Frequency, int Standard) | |
993 | { | |
994 | ||
995 | s32 IntermediateFrequency = m_StandardTable[Standard].m_IFFrequency; | |
996 | int status = 0; | |
997 | ||
998 | u8 BP_Filter = 0; | |
999 | u8 RF_Band = 0; | |
1000 | u8 GainTaper = 0; | |
ea90f011 | 1001 | u8 IR_Meas = 0; |
e8783950 | 1002 | |
0fe44629 | 1003 | state->IF = IntermediateFrequency; |
f3d40bd0 | 1004 | /* printk("tda18271c2dd: %s Freq = %d Standard = %d IF = %d\n", __func__, Frequency, Standard, IntermediateFrequency); */ |
0fe44629 | 1005 | /* get values from tables */ |
e8783950 | 1006 | |
0fe44629 OE |
1007 | if (!(SearchMap1(m_BP_Filter_Map, Frequency, &BP_Filter) && |
1008 | SearchMap1(m_GainTaper_Map, Frequency, &GainTaper) && | |
1009 | SearchMap1(m_IR_Meas_Map, Frequency, &IR_Meas) && | |
1010 | SearchMap4(m_RF_Band_Map, Frequency, &RF_Band))) { | |
1011 | ||
f3d40bd0 | 1012 | printk(KERN_ERR "tda18271c2dd: %s SearchMap failed\n", __func__); |
e8783950 RM |
1013 | return -EINVAL; |
1014 | } | |
1015 | ||
0fe44629 | 1016 | do { |
e8783950 | 1017 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | m_StandardTable[Standard].m_EP3_4_0; |
0fe44629 OE |
1018 | state->m_Regs[EP3] &= ~0x04; /* switch RFAGC to high speed mode */ |
1019 | ||
1020 | /* m_EP4 default for XToutOn, CAL_Mode (0) */ | |
1021 | state->m_Regs[EP4] = state->m_EP4 | ((Standard > HF_AnalogMax) ? state->m_IFLevelDigital : state->m_IFLevelAnalog); | |
1022 | /* state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; */ | |
1023 | if (Standard <= HF_AnalogMax) | |
1024 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelAnalog; | |
1025 | else if (Standard <= HF_ATSC) | |
1026 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBT; | |
1027 | else if (Standard <= HF_DVBC) | |
1028 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBC; | |
1029 | else | |
1030 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; | |
e8783950 | 1031 | |
0fe44629 | 1032 | if ((Standard == HF_FM_Radio) && state->m_bFMInput) |
58632818 | 1033 | state->m_Regs[EP4] |= 0x80; |
e8783950 RM |
1034 | |
1035 | state->m_Regs[MPD] &= ~0x80; | |
0fe44629 OE |
1036 | if (Standard > HF_AnalogMax) |
1037 | state->m_Regs[MPD] |= 0x80; /* Add IF_notch for digital */ | |
e8783950 RM |
1038 | |
1039 | state->m_Regs[EB22] = m_StandardTable[Standard].m_EB22; | |
1040 | ||
0fe44629 OE |
1041 | /* Note: This is missing from flowchart in TDA18271 specification ( 1.5 MHz cutoff for FM ) */ |
1042 | if (Standard == HF_FM_Radio) | |
1043 | state->m_Regs[EB23] |= 0x06; /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
1044 | else | |
1045 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LPFc[2] = 0 */ | |
e8783950 | 1046 | |
469ffe08 MCC |
1047 | status = UpdateRegs(state, EB22, EB23); |
1048 | if (status < 0) | |
1049 | break; | |
e8783950 | 1050 | |
0fe44629 | 1051 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | 0x40 | BP_Filter; /* Dis_Power_level = 1, Filter */ |
e8783950 RM |
1052 | state->m_Regs[EP5] = (state->m_Regs[EP5] & ~0x07) | IR_Meas; |
1053 | state->m_Regs[EP2] = (RF_Band << 5) | GainTaper; | |
1054 | ||
1055 | state->m_Regs[EB1] = (state->m_Regs[EB1] & ~0x07) | | |
0fe44629 OE |
1056 | (state->m_bMaster ? 0x04 : 0x00); /* CALVCO_FortLOn = MS */ |
1057 | /* AGC1_always_master = 0 */ | |
1058 | /* AGC_firstn = 0 */ | |
469ffe08 MCC |
1059 | status = UpdateReg(state, EB1); |
1060 | if (status < 0) | |
1061 | break; | |
0fe44629 OE |
1062 | |
1063 | if (state->m_bMaster) { | |
469ffe08 MCC |
1064 | status = CalcMainPLL(state, Frequency + IntermediateFrequency); |
1065 | if (status < 0) | |
1066 | break; | |
1067 | status = UpdateRegs(state, TM, EP5); | |
1068 | if (status < 0) | |
1069 | break; | |
0fe44629 | 1070 | state->m_Regs[EB4] |= 0x20; /* LO_forceSrce = 1 */ |
469ffe08 MCC |
1071 | status = UpdateReg(state, EB4); |
1072 | if (status < 0) | |
1073 | break; | |
e8783950 | 1074 | msleep(1); |
0fe44629 | 1075 | state->m_Regs[EB4] &= ~0x20; /* LO_forceSrce = 0 */ |
469ffe08 MCC |
1076 | status = UpdateReg(state, EB4); |
1077 | if (status < 0) | |
1078 | break; | |
0fe44629 | 1079 | } else { |
ea90f011 | 1080 | u8 PostDiv = 0; |
e8783950 | 1081 | u8 Div; |
469ffe08 MCC |
1082 | status = CalcCalPLL(state, Frequency + IntermediateFrequency); |
1083 | if (status < 0) | |
1084 | break; | |
e8783950 | 1085 | |
0fe44629 | 1086 | SearchMap3(m_Cal_PLL_Map, Frequency + IntermediateFrequency, &PostDiv, &Div); |
e8783950 | 1087 | state->m_Regs[MPD] = (state->m_Regs[MPD] & ~0x7F) | (PostDiv & 0x77); |
469ffe08 MCC |
1088 | status = UpdateReg(state, MPD); |
1089 | if (status < 0) | |
1090 | break; | |
1091 | status = UpdateRegs(state, TM, EP5); | |
1092 | if (status < 0) | |
1093 | break; | |
e8783950 | 1094 | |
0fe44629 | 1095 | state->m_Regs[EB7] |= 0x20; /* CAL_forceSrce = 1 */ |
469ffe08 MCC |
1096 | status = UpdateReg(state, EB7); |
1097 | if (status < 0) | |
1098 | break; | |
e8783950 | 1099 | msleep(1); |
0fe44629 | 1100 | state->m_Regs[EB7] &= ~0x20; /* CAL_forceSrce = 0 */ |
469ffe08 MCC |
1101 | status = UpdateReg(state, EB7); |
1102 | if (status < 0) | |
1103 | break; | |
e8783950 RM |
1104 | } |
1105 | msleep(20); | |
0fe44629 OE |
1106 | if (Standard != HF_FM_Radio) |
1107 | state->m_Regs[EP3] |= 0x04; /* RFAGC to normal mode */ | |
469ffe08 MCC |
1108 | status = UpdateReg(state, EP3); |
1109 | if (status < 0) | |
1110 | break; | |
e8783950 | 1111 | |
0fe44629 | 1112 | } while (0); |
e8783950 RM |
1113 | return status; |
1114 | } | |
1115 | ||
0fe44629 | 1116 | static int sleep(struct dvb_frontend *fe) |
e8783950 RM |
1117 | { |
1118 | struct tda_state *state = fe->tuner_priv; | |
1119 | ||
1120 | StandBy(state); | |
1121 | return 0; | |
1122 | } | |
1123 | ||
0fe44629 | 1124 | static int init(struct dvb_frontend *fe) |
e8783950 | 1125 | { |
e8783950 RM |
1126 | return 0; |
1127 | } | |
1128 | ||
0fe44629 | 1129 | static int release(struct dvb_frontend *fe) |
e8783950 RM |
1130 | { |
1131 | kfree(fe->tuner_priv); | |
1132 | fe->tuner_priv = NULL; | |
1133 | return 0; | |
1134 | } | |
1135 | ||
cf845297 | 1136 | |
14d24d14 | 1137 | static int set_params(struct dvb_frontend *fe) |
e8783950 RM |
1138 | { |
1139 | struct tda_state *state = fe->tuner_priv; | |
1140 | int status = 0; | |
1141 | int Standard; | |
fd66c45d MCC |
1142 | u32 bw = fe->dtv_property_cache.bandwidth_hz; |
1143 | u32 delsys = fe->dtv_property_cache.delivery_system; | |
e8783950 | 1144 | |
fd66c45d | 1145 | state->m_Frequency = fe->dtv_property_cache.frequency; |
e8783950 | 1146 | |
fd66c45d MCC |
1147 | switch (delsys) { |
1148 | case SYS_DVBT: | |
1149 | case SYS_DVBT2: | |
1150 | switch (bw) { | |
1151 | case 6000000: | |
e8783950 RM |
1152 | Standard = HF_DVBT_6MHZ; |
1153 | break; | |
fd66c45d | 1154 | case 7000000: |
e8783950 RM |
1155 | Standard = HF_DVBT_7MHZ; |
1156 | break; | |
fd66c45d | 1157 | case 8000000: |
e8783950 RM |
1158 | Standard = HF_DVBT_8MHZ; |
1159 | break; | |
fd66c45d MCC |
1160 | default: |
1161 | return -EINVAL; | |
e8783950 | 1162 | } |
fd66c45d MCC |
1163 | case SYS_DVBC_ANNEX_A: |
1164 | case SYS_DVBC_ANNEX_C: | |
2440f7af | 1165 | if (bw <= 6000000) |
cf845297 | 1166 | Standard = HF_DVBC_6MHZ; |
2440f7af MCC |
1167 | else if (bw <= 7000000) |
1168 | Standard = HF_DVBC_7MHZ; | |
cf845297 MCC |
1169 | else |
1170 | Standard = HF_DVBC_8MHZ; | |
1ca8dde8 | 1171 | break; |
fd66c45d | 1172 | default: |
e8783950 | 1173 | return -EINVAL; |
fd66c45d | 1174 | } |
e8783950 | 1175 | do { |
fd66c45d | 1176 | status = RFTrackingFiltersCorrection(state, state->m_Frequency); |
469ffe08 MCC |
1177 | if (status < 0) |
1178 | break; | |
fd66c45d MCC |
1179 | status = ChannelConfiguration(state, state->m_Frequency, |
1180 | Standard); | |
469ffe08 MCC |
1181 | if (status < 0) |
1182 | break; | |
e8783950 | 1183 | |
0fe44629 OE |
1184 | msleep(state->m_SettlingTime); /* Allow AGC's to settle down */ |
1185 | } while (0); | |
e8783950 RM |
1186 | return status; |
1187 | } | |
1188 | ||
1189 | #if 0 | |
0fe44629 | 1190 | static int GetSignalStrength(s32 *pSignalStrength, u32 RFAgc, u32 IFAgc) |
e8783950 | 1191 | { |
0fe44629 OE |
1192 | if (IFAgc < 500) { |
1193 | /* Scale this from 0 to 50000 */ | |
e8783950 RM |
1194 | *pSignalStrength = IFAgc * 100; |
1195 | } else { | |
0fe44629 | 1196 | /* Scale range 500-1500 to 50000-80000 */ |
e8783950 RM |
1197 | *pSignalStrength = 50000 + (IFAgc - 500) * 30; |
1198 | } | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | #endif | |
1203 | ||
8513e144 | 1204 | static int get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
e8783950 RM |
1205 | { |
1206 | struct tda_state *state = fe->tuner_priv; | |
1207 | ||
1208 | *frequency = state->IF; | |
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | static int get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1213 | { | |
0fe44629 OE |
1214 | /* struct tda_state *state = fe->tuner_priv; */ |
1215 | /* *bandwidth = priv->bandwidth; */ | |
e8783950 RM |
1216 | return 0; |
1217 | } | |
1218 | ||
1219 | ||
1220 | static struct dvb_tuner_ops tuner_ops = { | |
1221 | .info = { | |
1222 | .name = "NXP TDA18271C2D", | |
1223 | .frequency_min = 47125000, | |
1224 | .frequency_max = 865000000, | |
1225 | .frequency_step = 62500 | |
1226 | }, | |
1227 | .init = init, | |
1228 | .sleep = sleep, | |
1229 | .set_params = set_params, | |
1230 | .release = release, | |
8513e144 | 1231 | .get_if_frequency = get_if_frequency, |
e8783950 RM |
1232 | .get_bandwidth = get_bandwidth, |
1233 | }; | |
1234 | ||
1235 | struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe, | |
1236 | struct i2c_adapter *i2c, u8 adr) | |
1237 | { | |
1238 | struct tda_state *state; | |
1239 | ||
1240 | state = kzalloc(sizeof(struct tda_state), GFP_KERNEL); | |
1241 | if (!state) | |
1242 | return NULL; | |
1243 | ||
1244 | fe->tuner_priv = state; | |
1245 | state->adr = adr; | |
1246 | state->i2c = i2c; | |
1247 | memcpy(&fe->ops.tuner_ops, &tuner_ops, sizeof(struct dvb_tuner_ops)); | |
1248 | reset(state); | |
1249 | InitCal(state); | |
1250 | ||
1251 | return fe; | |
1252 | } | |
e8783950 | 1253 | EXPORT_SYMBOL_GPL(tda18271c2dd_attach); |
0fe44629 | 1254 | |
e8783950 RM |
1255 | MODULE_DESCRIPTION("TDA18271C2 driver"); |
1256 | MODULE_AUTHOR("DD"); | |
1257 | MODULE_LICENSE("GPL"); |