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89ee7f4f | 1 | // SPDX-License-Identifier: GPL-2.0-only |
e8783950 RM |
2 | /* |
3 | * tda18271c2dd: Driver for the TDA18271C2 tuner | |
4 | * | |
5 | * Copyright (C) 2010 Digital Devices GmbH | |
e8783950 RM |
6 | */ |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/module.h> | |
e8783950 RM |
10 | #include <linux/init.h> |
11 | #include <linux/delay.h> | |
12 | #include <linux/firmware.h> | |
13 | #include <linux/i2c.h> | |
e8783950 RM |
14 | #include <asm/div64.h> |
15 | ||
fada1935 | 16 | #include <media/dvb_frontend.h> |
4e373217 | 17 | #include "tda18271c2dd.h" |
e8783950 | 18 | |
8393796d MCC |
19 | /* Max transfer size done by I2C transfer functions */ |
20 | #define MAX_XFER_SIZE 64 | |
21 | ||
e8783950 RM |
22 | struct SStandardParam { |
23 | s32 m_IFFrequency; | |
24 | u32 m_BandWidth; | |
25 | u8 m_EP3_4_0; | |
26 | u8 m_EB22; | |
27 | }; | |
28 | ||
29 | struct SMap { | |
30 | u32 m_Frequency; | |
31 | u8 m_Param; | |
32 | }; | |
33 | ||
34 | struct SMapI { | |
35 | u32 m_Frequency; | |
36 | s32 m_Param; | |
37 | }; | |
38 | ||
39 | struct SMap2 { | |
40 | u32 m_Frequency; | |
41 | u8 m_Param1; | |
42 | u8 m_Param2; | |
43 | }; | |
44 | ||
45 | struct SRFBandMap { | |
46 | u32 m_RF_max; | |
47 | u32 m_RF1_Default; | |
48 | u32 m_RF2_Default; | |
49 | u32 m_RF3_Default; | |
50 | }; | |
51 | ||
0fe44629 | 52 | enum ERegister { |
e8783950 RM |
53 | ID = 0, |
54 | TM, | |
55 | PL, | |
56 | EP1, EP2, EP3, EP4, EP5, | |
57 | CPD, CD1, CD2, CD3, | |
58 | MPD, MD1, MD2, MD3, | |
59 | EB1, EB2, EB3, EB4, EB5, EB6, EB7, EB8, EB9, EB10, | |
60 | EB11, EB12, EB13, EB14, EB15, EB16, EB17, EB18, EB19, EB20, | |
61 | EB21, EB22, EB23, | |
62 | NUM_REGS | |
63 | }; | |
64 | ||
65 | struct tda_state { | |
66 | struct i2c_adapter *i2c; | |
67 | u8 adr; | |
68 | ||
69 | u32 m_Frequency; | |
70 | u32 IF; | |
71 | ||
72 | u8 m_IFLevelAnalog; | |
73 | u8 m_IFLevelDigital; | |
74 | u8 m_IFLevelDVBC; | |
75 | u8 m_IFLevelDVBT; | |
76 | ||
77 | u8 m_EP4; | |
78 | u8 m_EP3_Standby; | |
79 | ||
80 | bool m_bMaster; | |
81 | ||
82 | s32 m_SettlingTime; | |
83 | ||
84 | u8 m_Regs[NUM_REGS]; | |
85 | ||
86 | /* Tracking filter settings for band 0..6 */ | |
87 | u32 m_RF1[7]; | |
88 | s32 m_RF_A1[7]; | |
89 | s32 m_RF_B1[7]; | |
90 | u32 m_RF2[7]; | |
91 | s32 m_RF_A2[7]; | |
92 | s32 m_RF_B2[7]; | |
93 | u32 m_RF3[7]; | |
94 | ||
868c9a17 | 95 | u8 m_TMValue_RFCal; /* Calibration temperature */ |
e8783950 RM |
96 | |
97 | bool m_bFMInput; /* true to use Pin 8 for FM Radio */ | |
98 | ||
99 | }; | |
100 | ||
101 | static int PowerScan(struct tda_state *state, | |
0fe44629 OE |
102 | u8 RFBand, u32 RF_in, |
103 | u32 *pRF_Out, bool *pbcal); | |
e8783950 RM |
104 | |
105 | static int i2c_readn(struct i2c_adapter *adapter, u8 adr, u8 *data, int len) | |
106 | { | |
107 | struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD, | |
0fe44629 | 108 | .buf = data, .len = len} }; |
e8783950 RM |
109 | return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; |
110 | } | |
111 | ||
112 | static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len) | |
113 | { | |
114 | struct i2c_msg msg = {.addr = adr, .flags = 0, | |
115 | .buf = data, .len = len}; | |
116 | ||
117 | if (i2c_transfer(adap, &msg, 1) != 1) { | |
f3d40bd0 | 118 | printk(KERN_ERR "tda18271c2dd: i2c write error at addr %i\n", adr); |
e8783950 RM |
119 | return -1; |
120 | } | |
121 | return 0; | |
122 | } | |
123 | ||
124 | static int WriteRegs(struct tda_state *state, | |
125 | u8 SubAddr, u8 *Regs, u16 nRegs) | |
126 | { | |
8393796d MCC |
127 | u8 data[MAX_XFER_SIZE]; |
128 | ||
129 | if (1 + nRegs > sizeof(data)) { | |
130 | printk(KERN_WARNING | |
131 | "%s: i2c wr: len=%d is too big!\n", | |
132 | KBUILD_MODNAME, nRegs); | |
133 | return -EINVAL; | |
134 | } | |
e8783950 RM |
135 | |
136 | data[0] = SubAddr; | |
137 | memcpy(data + 1, Regs, nRegs); | |
8393796d | 138 | return i2c_write(state->i2c, state->adr, data, nRegs + 1); |
e8783950 RM |
139 | } |
140 | ||
0fe44629 | 141 | static int WriteReg(struct tda_state *state, u8 SubAddr, u8 Reg) |
e8783950 RM |
142 | { |
143 | u8 msg[2] = {SubAddr, Reg}; | |
144 | ||
145 | return i2c_write(state->i2c, state->adr, msg, 2); | |
146 | } | |
147 | ||
148 | static int Read(struct tda_state *state, u8 * Regs) | |
149 | { | |
150 | return i2c_readn(state->i2c, state->adr, Regs, 16); | |
151 | } | |
152 | ||
153 | static int ReadExtented(struct tda_state *state, u8 * Regs) | |
154 | { | |
155 | return i2c_readn(state->i2c, state->adr, Regs, NUM_REGS); | |
156 | } | |
157 | ||
0fe44629 | 158 | static int UpdateRegs(struct tda_state *state, u8 RegFrom, u8 RegTo) |
e8783950 RM |
159 | { |
160 | return WriteRegs(state, RegFrom, | |
161 | &state->m_Regs[RegFrom], RegTo-RegFrom+1); | |
162 | } | |
163 | static int UpdateReg(struct tda_state *state, u8 Reg) | |
164 | { | |
0fe44629 | 165 | return WriteReg(state, Reg, state->m_Regs[Reg]); |
e8783950 RM |
166 | } |
167 | ||
168 | #include "tda18271c2dd_maps.h" | |
169 | ||
e8783950 RM |
170 | static void reset(struct tda_state *state) |
171 | { | |
172 | u32 ulIFLevelAnalog = 0; | |
173 | u32 ulIFLevelDigital = 2; | |
174 | u32 ulIFLevelDVBC = 7; | |
175 | u32 ulIFLevelDVBT = 6; | |
176 | u32 ulXTOut = 0; | |
0fe44629 | 177 | u32 ulStandbyMode = 0x06; /* Send in stdb, but leave osc on */ |
e8783950 RM |
178 | u32 ulSlave = 0; |
179 | u32 ulFMInput = 0; | |
180 | u32 ulSettlingTime = 100; | |
181 | ||
182 | state->m_Frequency = 0; | |
183 | state->m_SettlingTime = 100; | |
184 | state->m_IFLevelAnalog = (ulIFLevelAnalog & 0x07) << 2; | |
185 | state->m_IFLevelDigital = (ulIFLevelDigital & 0x07) << 2; | |
186 | state->m_IFLevelDVBC = (ulIFLevelDVBC & 0x07) << 2; | |
187 | state->m_IFLevelDVBT = (ulIFLevelDVBT & 0x07) << 2; | |
188 | ||
189 | state->m_EP4 = 0x20; | |
0fe44629 OE |
190 | if (ulXTOut != 0) |
191 | state->m_EP4 |= 0x40; | |
e8783950 RM |
192 | |
193 | state->m_EP3_Standby = ((ulStandbyMode & 0x07) << 5) | 0x0F; | |
194 | state->m_bMaster = (ulSlave == 0); | |
195 | ||
196 | state->m_SettlingTime = ulSettlingTime; | |
197 | ||
198 | state->m_bFMInput = (ulFMInput == 2); | |
199 | } | |
200 | ||
201 | static bool SearchMap1(struct SMap Map[], | |
202 | u32 Frequency, u8 *pParam) | |
203 | { | |
204 | int i = 0; | |
205 | ||
0fe44629 | 206 | while ((Map[i].m_Frequency != 0) && (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
207 | i += 1; |
208 | if (Map[i].m_Frequency == 0) | |
209 | return false; | |
210 | *pParam = Map[i].m_Param; | |
211 | return true; | |
212 | } | |
213 | ||
214 | static bool SearchMap2(struct SMapI Map[], | |
215 | u32 Frequency, s32 *pParam) | |
216 | { | |
217 | int i = 0; | |
218 | ||
219 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 220 | (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 | ||
0fe44629 | 228 | static bool SearchMap3(struct SMap2 Map[], u32 Frequency, |
e8783950 RM |
229 | u8 *pParam1, u8 *pParam2) |
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 | *pParam1 = Map[i].m_Param1; | |
239 | *pParam2 = Map[i].m_Param2; | |
240 | return true; | |
241 | } | |
242 | ||
243 | static bool SearchMap4(struct SRFBandMap Map[], | |
244 | u32 Frequency, u8 *pRFBand) | |
245 | { | |
246 | int i = 0; | |
247 | ||
248 | while (i < 7 && (Frequency > Map[i].m_RF_max)) | |
249 | i += 1; | |
250 | if (i == 7) | |
251 | return false; | |
252 | *pRFBand = i; | |
253 | return true; | |
254 | } | |
255 | ||
256 | static int ThermometerRead(struct tda_state *state, u8 *pTM_Value) | |
257 | { | |
258 | int status = 0; | |
259 | ||
260 | do { | |
261 | u8 Regs[16]; | |
262 | state->m_Regs[TM] |= 0x10; | |
469ffe08 MCC |
263 | status = UpdateReg(state, TM); |
264 | if (status < 0) | |
265 | break; | |
266 | status = Read(state, Regs); | |
267 | if (status < 0) | |
268 | break; | |
0fe44629 OE |
269 | if (((Regs[TM] & 0x0F) == 0 && (Regs[TM] & 0x20) == 0x20) || |
270 | ((Regs[TM] & 0x0F) == 8 && (Regs[TM] & 0x20) == 0x00)) { | |
e8783950 | 271 | state->m_Regs[TM] ^= 0x20; |
469ffe08 MCC |
272 | status = UpdateReg(state, TM); |
273 | if (status < 0) | |
274 | break; | |
e8783950 | 275 | msleep(10); |
469ffe08 MCC |
276 | status = Read(state, Regs); |
277 | if (status < 0) | |
278 | break; | |
e8783950 | 279 | } |
0fe44629 OE |
280 | *pTM_Value = (Regs[TM] & 0x20) |
281 | ? m_Thermometer_Map_2[Regs[TM] & 0x0F] | |
282 | : m_Thermometer_Map_1[Regs[TM] & 0x0F] ; | |
283 | state->m_Regs[TM] &= ~0x10; /* Thermometer off */ | |
469ffe08 MCC |
284 | status = UpdateReg(state, TM); |
285 | if (status < 0) | |
286 | break; | |
0fe44629 | 287 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 ????????? */ |
469ffe08 MCC |
288 | status = UpdateReg(state, EP4); |
289 | if (status < 0) | |
290 | break; | |
0fe44629 | 291 | } while (0); |
e8783950 RM |
292 | |
293 | return status; | |
294 | } | |
295 | ||
296 | static int StandBy(struct tda_state *state) | |
297 | { | |
298 | int status = 0; | |
299 | do { | |
0fe44629 | 300 | state->m_Regs[EB12] &= ~0x20; /* PD_AGC1_Det = 0 */ |
469ffe08 MCC |
301 | status = UpdateReg(state, EB12); |
302 | if (status < 0) | |
303 | break; | |
0fe44629 | 304 | state->m_Regs[EB18] &= ~0x83; /* AGC1_loop_off = 0, AGC1_Gain = 6 dB */ |
469ffe08 MCC |
305 | status = UpdateReg(state, EB18); |
306 | if (status < 0) | |
307 | break; | |
0fe44629 | 308 | state->m_Regs[EB21] |= 0x03; /* AGC2_Gain = -6 dB */ |
e8783950 | 309 | state->m_Regs[EP3] = state->m_EP3_Standby; |
469ffe08 MCC |
310 | status = UpdateReg(state, EP3); |
311 | if (status < 0) | |
312 | break; | |
0fe44629 | 313 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LP_Fc[2] = 0 */ |
469ffe08 MCC |
314 | status = UpdateRegs(state, EB21, EB23); |
315 | if (status < 0) | |
316 | break; | |
0fe44629 | 317 | } while (0); |
e8783950 RM |
318 | return status; |
319 | } | |
320 | ||
321 | static int CalcMainPLL(struct tda_state *state, u32 freq) | |
322 | { | |
323 | ||
324 | u8 PostDiv; | |
325 | u8 Div; | |
326 | u64 OscFreq; | |
327 | u32 MainDiv; | |
328 | ||
0fe44629 | 329 | if (!SearchMap3(m_Main_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 330 | return -EINVAL; |
e8783950 RM |
331 | |
332 | OscFreq = (u64) freq * (u64) Div; | |
333 | OscFreq *= (u64) 16384; | |
334 | do_div(OscFreq, (u64)16000000); | |
335 | MainDiv = OscFreq; | |
336 | ||
337 | state->m_Regs[MPD] = PostDiv & 0x77; | |
338 | state->m_Regs[MD1] = ((MainDiv >> 16) & 0x7F); | |
339 | state->m_Regs[MD2] = ((MainDiv >> 8) & 0xFF); | |
0fe44629 | 340 | state->m_Regs[MD3] = (MainDiv & 0xFF); |
e8783950 RM |
341 | |
342 | return UpdateRegs(state, MPD, MD3); | |
343 | } | |
344 | ||
345 | static int CalcCalPLL(struct tda_state *state, u32 freq) | |
346 | { | |
e8783950 RM |
347 | u8 PostDiv; |
348 | u8 Div; | |
349 | u64 OscFreq; | |
350 | u32 CalDiv; | |
351 | ||
0fe44629 | 352 | if (!SearchMap3(m_Cal_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 353 | return -EINVAL; |
e8783950 RM |
354 | |
355 | OscFreq = (u64)freq * (u64)Div; | |
0fe44629 OE |
356 | /* CalDiv = u32( OscFreq * 16384 / 16000000 ); */ |
357 | OscFreq *= (u64)16384; | |
e8783950 | 358 | do_div(OscFreq, (u64)16000000); |
0fe44629 | 359 | CalDiv = OscFreq; |
e8783950 RM |
360 | |
361 | state->m_Regs[CPD] = PostDiv; | |
362 | state->m_Regs[CD1] = ((CalDiv >> 16) & 0xFF); | |
363 | state->m_Regs[CD2] = ((CalDiv >> 8) & 0xFF); | |
0fe44629 | 364 | state->m_Regs[CD3] = (CalDiv & 0xFF); |
e8783950 | 365 | |
0fe44629 | 366 | return UpdateRegs(state, CPD, CD3); |
e8783950 RM |
367 | } |
368 | ||
369 | static int CalibrateRF(struct tda_state *state, | |
0fe44629 | 370 | u8 RFBand, u32 freq, s32 *pCprog) |
e8783950 | 371 | { |
e8783950 RM |
372 | int status = 0; |
373 | u8 Regs[NUM_REGS]; | |
374 | do { | |
0fe44629 OE |
375 | u8 BP_Filter = 0; |
376 | u8 GainTaper = 0; | |
377 | u8 RFC_K = 0; | |
378 | u8 RFC_M = 0; | |
379 | ||
380 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 */ | |
469ffe08 MCC |
381 | status = UpdateReg(state, EP4); |
382 | if (status < 0) | |
383 | break; | |
0fe44629 | 384 | state->m_Regs[EB18] |= 0x03; /* AGC1_Gain = 3 */ |
469ffe08 MCC |
385 | status = UpdateReg(state, EB18); |
386 | if (status < 0) | |
387 | break; | |
0fe44629 OE |
388 | |
389 | /* Switching off LT (as datasheet says) causes calibration on C1 to fail */ | |
868c9a17 | 390 | /* (Readout of Cprog is always 255) */ |
0fe44629 OE |
391 | if (state->m_Regs[ID] != 0x83) /* C1: ID == 83, C2: ID == 84 */ |
392 | state->m_Regs[EP3] |= 0x40; /* SM_LT = 1 */ | |
393 | ||
394 | if (!(SearchMap1(m_BP_Filter_Map, freq, &BP_Filter) && | |
395 | SearchMap1(m_GainTaper_Map, freq, &GainTaper) && | |
396 | SearchMap3(m_KM_Map, freq, &RFC_K, &RFC_M))) | |
e8783950 | 397 | return -EINVAL; |
e8783950 RM |
398 | |
399 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | BP_Filter; | |
400 | state->m_Regs[EP2] = (RFBand << 5) | GainTaper; | |
401 | ||
402 | state->m_Regs[EB13] = (state->m_Regs[EB13] & ~0x7C) | (RFC_K << 4) | (RFC_M << 2); | |
403 | ||
469ffe08 MCC |
404 | status = UpdateRegs(state, EP1, EP3); |
405 | if (status < 0) | |
406 | break; | |
407 | status = UpdateReg(state, EB13); | |
408 | if (status < 0) | |
409 | break; | |
e8783950 | 410 | |
0fe44629 | 411 | state->m_Regs[EB4] |= 0x20; /* LO_ForceSrce = 1 */ |
469ffe08 MCC |
412 | status = UpdateReg(state, EB4); |
413 | if (status < 0) | |
414 | break; | |
e8783950 | 415 | |
0fe44629 | 416 | state->m_Regs[EB7] |= 0x20; /* CAL_ForceSrce = 1 */ |
469ffe08 MCC |
417 | status = UpdateReg(state, EB7); |
418 | if (status < 0) | |
419 | break; | |
e8783950 | 420 | |
0fe44629 | 421 | state->m_Regs[EB14] = 0; /* RFC_Cprog = 0 */ |
469ffe08 MCC |
422 | status = UpdateReg(state, EB14); |
423 | if (status < 0) | |
424 | break; | |
e8783950 | 425 | |
0fe44629 | 426 | state->m_Regs[EB20] &= ~0x20; /* ForceLock = 0; */ |
469ffe08 MCC |
427 | status = UpdateReg(state, EB20); |
428 | if (status < 0) | |
429 | break; | |
e8783950 | 430 | |
0fe44629 | 431 | state->m_Regs[EP4] |= 0x03; /* CAL_Mode = 3 */ |
469ffe08 MCC |
432 | status = UpdateRegs(state, EP4, EP5); |
433 | if (status < 0) | |
434 | break; | |
e8783950 | 435 | |
469ffe08 MCC |
436 | status = CalcCalPLL(state, freq); |
437 | if (status < 0) | |
438 | break; | |
439 | status = CalcMainPLL(state, freq + 1000000); | |
440 | if (status < 0) | |
441 | break; | |
e8783950 RM |
442 | |
443 | msleep(5); | |
469ffe08 MCC |
444 | status = UpdateReg(state, EP2); |
445 | if (status < 0) | |
446 | break; | |
447 | status = UpdateReg(state, EP1); | |
448 | if (status < 0) | |
449 | break; | |
450 | status = UpdateReg(state, EP2); | |
451 | if (status < 0) | |
452 | break; | |
453 | status = UpdateReg(state, EP1); | |
454 | if (status < 0) | |
455 | break; | |
e8783950 | 456 | |
0fe44629 | 457 | state->m_Regs[EB4] &= ~0x20; /* LO_ForceSrce = 0 */ |
469ffe08 MCC |
458 | status = UpdateReg(state, EB4); |
459 | if (status < 0) | |
460 | break; | |
e8783950 | 461 | |
0fe44629 | 462 | state->m_Regs[EB7] &= ~0x20; /* CAL_ForceSrce = 0 */ |
469ffe08 MCC |
463 | status = UpdateReg(state, EB7); |
464 | if (status < 0) | |
465 | break; | |
e8783950 RM |
466 | msleep(10); |
467 | ||
0fe44629 | 468 | state->m_Regs[EB20] |= 0x20; /* ForceLock = 1; */ |
469ffe08 MCC |
469 | status = UpdateReg(state, EB20); |
470 | if (status < 0) | |
471 | break; | |
e8783950 RM |
472 | msleep(60); |
473 | ||
0fe44629 OE |
474 | state->m_Regs[EP4] &= ~0x03; /* CAL_Mode = 0 */ |
475 | state->m_Regs[EP3] &= ~0x40; /* SM_LT = 0 */ | |
476 | state->m_Regs[EB18] &= ~0x03; /* AGC1_Gain = 0 */ | |
469ffe08 MCC |
477 | status = UpdateReg(state, EB18); |
478 | if (status < 0) | |
479 | break; | |
480 | status = UpdateRegs(state, EP3, EP4); | |
481 | if (status < 0) | |
482 | break; | |
483 | status = UpdateReg(state, EP1); | |
484 | if (status < 0) | |
485 | break; | |
e8783950 | 486 | |
469ffe08 MCC |
487 | status = ReadExtented(state, Regs); |
488 | if (status < 0) | |
489 | break; | |
e8783950 RM |
490 | |
491 | *pCprog = Regs[EB14]; | |
e8783950 | 492 | |
0fe44629 | 493 | } while (0); |
e8783950 RM |
494 | return status; |
495 | } | |
496 | ||
497 | static int RFTrackingFiltersInit(struct tda_state *state, | |
498 | u8 RFBand) | |
499 | { | |
e8783950 RM |
500 | int status = 0; |
501 | ||
502 | u32 RF1 = m_RF_Band_Map[RFBand].m_RF1_Default; | |
503 | u32 RF2 = m_RF_Band_Map[RFBand].m_RF2_Default; | |
504 | u32 RF3 = m_RF_Band_Map[RFBand].m_RF3_Default; | |
505 | bool bcal = false; | |
506 | ||
507 | s32 Cprog_cal1 = 0; | |
508 | s32 Cprog_table1 = 0; | |
509 | s32 Cprog_cal2 = 0; | |
510 | s32 Cprog_table2 = 0; | |
511 | s32 Cprog_cal3 = 0; | |
512 | s32 Cprog_table3 = 0; | |
513 | ||
514 | state->m_RF_A1[RFBand] = 0; | |
515 | state->m_RF_B1[RFBand] = 0; | |
516 | state->m_RF_A2[RFBand] = 0; | |
517 | state->m_RF_B2[RFBand] = 0; | |
518 | ||
519 | do { | |
469ffe08 MCC |
520 | status = PowerScan(state, RFBand, RF1, &RF1, &bcal); |
521 | if (status < 0) | |
522 | break; | |
0fe44629 | 523 | if (bcal) { |
469ffe08 MCC |
524 | status = CalibrateRF(state, RFBand, RF1, &Cprog_cal1); |
525 | if (status < 0) | |
526 | break; | |
e8783950 | 527 | } |
0fe44629 OE |
528 | SearchMap2(m_RF_Cal_Map, RF1, &Cprog_table1); |
529 | if (!bcal) | |
e8783950 | 530 | Cprog_cal1 = Cprog_table1; |
e8783950 | 531 | state->m_RF_B1[RFBand] = Cprog_cal1 - Cprog_table1; |
0fe44629 | 532 | /* state->m_RF_A1[RF_Band] = ???? */ |
e8783950 | 533 | |
0fe44629 OE |
534 | if (RF2 == 0) |
535 | break; | |
e8783950 | 536 | |
469ffe08 MCC |
537 | status = PowerScan(state, RFBand, RF2, &RF2, &bcal); |
538 | if (status < 0) | |
539 | break; | |
0fe44629 | 540 | if (bcal) { |
469ffe08 MCC |
541 | status = CalibrateRF(state, RFBand, RF2, &Cprog_cal2); |
542 | if (status < 0) | |
543 | break; | |
e8783950 | 544 | } |
0fe44629 OE |
545 | SearchMap2(m_RF_Cal_Map, RF2, &Cprog_table2); |
546 | if (!bcal) | |
e8783950 | 547 | Cprog_cal2 = Cprog_table2; |
e8783950 RM |
548 | |
549 | state->m_RF_A1[RFBand] = | |
550 | (Cprog_cal2 - Cprog_table2 - Cprog_cal1 + Cprog_table1) / | |
0fe44629 | 551 | ((s32)(RF2) - (s32)(RF1)); |
e8783950 | 552 | |
0fe44629 OE |
553 | if (RF3 == 0) |
554 | break; | |
e8783950 | 555 | |
469ffe08 MCC |
556 | status = PowerScan(state, RFBand, RF3, &RF3, &bcal); |
557 | if (status < 0) | |
558 | break; | |
0fe44629 | 559 | if (bcal) { |
469ffe08 MCC |
560 | status = CalibrateRF(state, RFBand, RF3, &Cprog_cal3); |
561 | if (status < 0) | |
562 | break; | |
e8783950 | 563 | } |
0fe44629 OE |
564 | SearchMap2(m_RF_Cal_Map, RF3, &Cprog_table3); |
565 | if (!bcal) | |
e8783950 | 566 | Cprog_cal3 = Cprog_table3; |
0fe44629 | 567 | state->m_RF_A2[RFBand] = (Cprog_cal3 - Cprog_table3 - Cprog_cal2 + Cprog_table2) / ((s32)(RF3) - (s32)(RF2)); |
e8783950 RM |
568 | state->m_RF_B2[RFBand] = Cprog_cal2 - Cprog_table2; |
569 | ||
0fe44629 | 570 | } while (0); |
e8783950 RM |
571 | |
572 | state->m_RF1[RFBand] = RF1; | |
573 | state->m_RF2[RFBand] = RF2; | |
574 | state->m_RF3[RFBand] = RF3; | |
575 | ||
576 | #if 0 | |
f3d40bd0 | 577 | printk(KERN_ERR "tda18271c2dd: %s %d RF1 = %d A1 = %d B1 = %d RF2 = %d A2 = %d B2 = %d RF3 = %d\n", __func__, |
0fe44629 OE |
578 | RFBand, RF1, state->m_RF_A1[RFBand], state->m_RF_B1[RFBand], RF2, |
579 | state->m_RF_A2[RFBand], state->m_RF_B2[RFBand], RF3); | |
e8783950 RM |
580 | #endif |
581 | ||
582 | return status; | |
583 | } | |
584 | ||
585 | static int PowerScan(struct tda_state *state, | |
0fe44629 | 586 | u8 RFBand, u32 RF_in, u32 *pRF_Out, bool *pbcal) |
e8783950 | 587 | { |
0fe44629 OE |
588 | int status = 0; |
589 | do { | |
590 | u8 Gain_Taper = 0; | |
591 | s32 RFC_Cprog = 0; | |
592 | u8 CID_Target = 0; | |
593 | u8 CountLimit = 0; | |
594 | u32 freq_MainPLL; | |
595 | u8 Regs[NUM_REGS]; | |
596 | u8 CID_Gain; | |
597 | s32 Count = 0; | |
598 | int sign = 1; | |
599 | bool wait = false; | |
600 | ||
601 | if (!(SearchMap2(m_RF_Cal_Map, RF_in, &RFC_Cprog) && | |
602 | SearchMap1(m_GainTaper_Map, RF_in, &Gain_Taper) && | |
603 | SearchMap3(m_CID_Target_Map, RF_in, &CID_Target, &CountLimit))) { | |
604 | ||
f3d40bd0 | 605 | printk(KERN_ERR "tda18271c2dd: %s Search map failed\n", __func__); |
0fe44629 OE |
606 | return -EINVAL; |
607 | } | |
608 | ||
609 | state->m_Regs[EP2] = (RFBand << 5) | Gain_Taper; | |
610 | state->m_Regs[EB14] = (RFC_Cprog); | |
469ffe08 MCC |
611 | status = UpdateReg(state, EP2); |
612 | if (status < 0) | |
613 | break; | |
614 | status = UpdateReg(state, EB14); | |
615 | if (status < 0) | |
616 | break; | |
0fe44629 OE |
617 | |
618 | freq_MainPLL = RF_in + 1000000; | |
469ffe08 MCC |
619 | status = CalcMainPLL(state, freq_MainPLL); |
620 | if (status < 0) | |
621 | break; | |
0fe44629 OE |
622 | msleep(5); |
623 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x03) | 1; /* CAL_mode = 1 */ | |
469ffe08 MCC |
624 | status = UpdateReg(state, EP4); |
625 | if (status < 0) | |
626 | break; | |
627 | status = UpdateReg(state, EP2); /* Launch power measurement */ | |
628 | if (status < 0) | |
629 | break; | |
630 | status = ReadExtented(state, Regs); | |
631 | if (status < 0) | |
632 | break; | |
0fe44629 | 633 | CID_Gain = Regs[EB10] & 0x3F; |
868c9a17 | 634 | state->m_Regs[ID] = Regs[ID]; /* Chip version, (needed for C1 workaround in CalibrateRF) */ |
0fe44629 OE |
635 | |
636 | *pRF_Out = RF_in; | |
637 | ||
638 | while (CID_Gain < CID_Target) { | |
639 | freq_MainPLL = RF_in + sign * Count + 1000000; | |
469ffe08 MCC |
640 | status = CalcMainPLL(state, freq_MainPLL); |
641 | if (status < 0) | |
642 | break; | |
0fe44629 OE |
643 | msleep(wait ? 5 : 1); |
644 | wait = false; | |
469ffe08 MCC |
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 | Count += 200000; | |
653 | ||
654 | if (Count < CountLimit * 100000) | |
655 | continue; | |
656 | if (sign < 0) | |
657 | break; | |
658 | ||
659 | sign = -sign; | |
660 | Count = 200000; | |
661 | wait = true; | |
662 | } | |
469ffe08 MCC |
663 | if (status < 0) |
664 | break; | |
0fe44629 OE |
665 | if (CID_Gain >= CID_Target) { |
666 | *pbcal = true; | |
667 | *pRF_Out = freq_MainPLL - 1000000; | |
668 | } else | |
669 | *pbcal = false; | |
670 | } while (0); | |
671 | ||
672 | return status; | |
e8783950 RM |
673 | } |
674 | ||
675 | static int PowerScanInit(struct tda_state *state) | |
676 | { | |
e8783950 | 677 | int status = 0; |
0fe44629 | 678 | do { |
e8783950 | 679 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | 0x12; |
0fe44629 | 680 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x1F); /* If level = 0, Cal mode = 0 */ |
469ffe08 MCC |
681 | status = UpdateRegs(state, EP3, EP4); |
682 | if (status < 0) | |
683 | break; | |
0fe44629 | 684 | state->m_Regs[EB18] = (state->m_Regs[EB18] & ~0x03); /* AGC 1 Gain = 0 */ |
469ffe08 MCC |
685 | status = UpdateReg(state, EB18); |
686 | if (status < 0) | |
687 | break; | |
0fe44629 OE |
688 | state->m_Regs[EB21] = (state->m_Regs[EB21] & ~0x03); /* AGC 2 Gain = 0 (Datasheet = 3) */ |
689 | state->m_Regs[EB23] = (state->m_Regs[EB23] | 0x06); /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
469ffe08 MCC |
690 | status = UpdateRegs(state, EB21, EB23); |
691 | if (status < 0) | |
692 | break; | |
0fe44629 | 693 | } while (0); |
e8783950 RM |
694 | return status; |
695 | } | |
696 | ||
697 | static int CalcRFFilterCurve(struct tda_state *state) | |
698 | { | |
e8783950 | 699 | int status = 0; |
0fe44629 OE |
700 | do { |
701 | msleep(200); /* Temperature stabilisation */ | |
469ffe08 MCC |
702 | status = PowerScanInit(state); |
703 | if (status < 0) | |
704 | break; | |
705 | status = RFTrackingFiltersInit(state, 0); | |
706 | if (status < 0) | |
707 | break; | |
708 | status = RFTrackingFiltersInit(state, 1); | |
709 | if (status < 0) | |
710 | break; | |
711 | status = RFTrackingFiltersInit(state, 2); | |
712 | if (status < 0) | |
713 | break; | |
714 | status = RFTrackingFiltersInit(state, 3); | |
715 | if (status < 0) | |
716 | break; | |
717 | status = RFTrackingFiltersInit(state, 4); | |
718 | if (status < 0) | |
719 | break; | |
720 | status = RFTrackingFiltersInit(state, 5); | |
721 | if (status < 0) | |
722 | break; | |
723 | status = RFTrackingFiltersInit(state, 6); | |
724 | if (status < 0) | |
725 | break; | |
726 | status = ThermometerRead(state, &state->m_TMValue_RFCal); /* also switches off Cal mode !!! */ | |
727 | if (status < 0) | |
728 | break; | |
0fe44629 | 729 | } while (0); |
e8783950 RM |
730 | |
731 | return status; | |
732 | } | |
733 | ||
734 | static int FixedContentsI2CUpdate(struct tda_state *state) | |
735 | { | |
736 | static u8 InitRegs[] = { | |
0fe44629 OE |
737 | 0x08, 0x80, 0xC6, |
738 | 0xDF, 0x16, 0x60, 0x80, | |
739 | 0x80, 0x00, 0x00, 0x00, | |
740 | 0x00, 0x00, 0x00, 0x00, | |
741 | 0xFC, 0x01, 0x84, 0x41, | |
742 | 0x01, 0x84, 0x40, 0x07, | |
743 | 0x00, 0x00, 0x96, 0x3F, | |
744 | 0xC1, 0x00, 0x8F, 0x00, | |
745 | 0x00, 0x8C, 0x00, 0x20, | |
746 | 0xB3, 0x48, 0xB0, | |
e8783950 RM |
747 | }; |
748 | int status = 0; | |
0fe44629 | 749 | memcpy(&state->m_Regs[TM], InitRegs, EB23 - TM + 1); |
e8783950 | 750 | do { |
469ffe08 MCC |
751 | status = UpdateRegs(state, TM, EB23); |
752 | if (status < 0) | |
753 | break; | |
e8783950 | 754 | |
0fe44629 | 755 | /* AGC1 gain setup */ |
e8783950 | 756 | state->m_Regs[EB17] = 0x00; |
469ffe08 MCC |
757 | status = UpdateReg(state, EB17); |
758 | if (status < 0) | |
759 | break; | |
e8783950 | 760 | state->m_Regs[EB17] = 0x03; |
469ffe08 MCC |
761 | status = UpdateReg(state, EB17); |
762 | if (status < 0) | |
763 | break; | |
e8783950 | 764 | state->m_Regs[EB17] = 0x43; |
469ffe08 MCC |
765 | status = UpdateReg(state, EB17); |
766 | if (status < 0) | |
767 | break; | |
e8783950 | 768 | state->m_Regs[EB17] = 0x4C; |
469ffe08 MCC |
769 | status = UpdateReg(state, EB17); |
770 | if (status < 0) | |
771 | break; | |
e8783950 | 772 | |
0fe44629 | 773 | /* IRC Cal Low band */ |
e8783950 RM |
774 | state->m_Regs[EP3] = 0x1F; |
775 | state->m_Regs[EP4] = 0x66; | |
776 | state->m_Regs[EP5] = 0x81; | |
777 | state->m_Regs[CPD] = 0xCC; | |
778 | state->m_Regs[CD1] = 0x6C; | |
779 | state->m_Regs[CD2] = 0x00; | |
780 | state->m_Regs[CD3] = 0x00; | |
781 | state->m_Regs[MPD] = 0xC5; | |
782 | state->m_Regs[MD1] = 0x77; | |
783 | state->m_Regs[MD2] = 0x08; | |
784 | state->m_Regs[MD3] = 0x00; | |
469ffe08 MCC |
785 | status = UpdateRegs(state, EP2, MD3); /* diff between sw and datasheet (ep3-md3) */ |
786 | if (status < 0) | |
787 | break; | |
e8783950 | 788 | |
0fe44629 OE |
789 | #if 0 |
790 | state->m_Regs[EB4] = 0x61; /* missing in sw */ | |
469ffe08 MCC |
791 | status = UpdateReg(state, EB4); |
792 | if (status < 0) | |
793 | break; | |
0fe44629 OE |
794 | msleep(1); |
795 | state->m_Regs[EB4] = 0x41; | |
469ffe08 MCC |
796 | status = UpdateReg(state, EB4); |
797 | if (status < 0) | |
798 | break; | |
0fe44629 | 799 | #endif |
e8783950 RM |
800 | |
801 | msleep(5); | |
469ffe08 MCC |
802 | status = UpdateReg(state, EP1); |
803 | if (status < 0) | |
804 | break; | |
e8783950 RM |
805 | msleep(5); |
806 | ||
807 | state->m_Regs[EP5] = 0x85; | |
808 | state->m_Regs[CPD] = 0xCB; | |
809 | state->m_Regs[CD1] = 0x66; | |
810 | state->m_Regs[CD2] = 0x70; | |
469ffe08 MCC |
811 | status = UpdateRegs(state, EP3, CD3); |
812 | if (status < 0) | |
813 | break; | |
e8783950 | 814 | msleep(5); |
469ffe08 MCC |
815 | status = UpdateReg(state, EP2); |
816 | if (status < 0) | |
817 | break; | |
e8783950 RM |
818 | msleep(30); |
819 | ||
0fe44629 | 820 | /* IRC Cal mid band */ |
e8783950 RM |
821 | state->m_Regs[EP5] = 0x82; |
822 | state->m_Regs[CPD] = 0xA8; | |
823 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 824 | state->m_Regs[MPD] = 0xA1; /* Datasheet = 0xA9 */ |
e8783950 RM |
825 | state->m_Regs[MD1] = 0x73; |
826 | state->m_Regs[MD2] = 0x1A; | |
469ffe08 MCC |
827 | status = UpdateRegs(state, EP3, MD3); |
828 | if (status < 0) | |
829 | break; | |
e8783950 RM |
830 | |
831 | msleep(5); | |
469ffe08 MCC |
832 | status = UpdateReg(state, EP1); |
833 | if (status < 0) | |
834 | break; | |
e8783950 RM |
835 | msleep(5); |
836 | ||
837 | state->m_Regs[EP5] = 0x86; | |
838 | state->m_Regs[CPD] = 0xA8; | |
839 | state->m_Regs[CD1] = 0x66; | |
840 | state->m_Regs[CD2] = 0xA0; | |
469ffe08 MCC |
841 | status = UpdateRegs(state, EP3, CD3); |
842 | if (status < 0) | |
843 | break; | |
e8783950 | 844 | msleep(5); |
469ffe08 MCC |
845 | status = UpdateReg(state, EP2); |
846 | if (status < 0) | |
847 | break; | |
e8783950 RM |
848 | msleep(30); |
849 | ||
0fe44629 | 850 | /* IRC Cal high band */ |
e8783950 RM |
851 | state->m_Regs[EP5] = 0x83; |
852 | state->m_Regs[CPD] = 0x98; | |
853 | state->m_Regs[CD1] = 0x65; | |
854 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 855 | state->m_Regs[MPD] = 0x91; /* Datasheet = 0x91 */ |
e8783950 RM |
856 | state->m_Regs[MD1] = 0x71; |
857 | state->m_Regs[MD2] = 0xCD; | |
469ffe08 MCC |
858 | status = UpdateRegs(state, EP3, MD3); |
859 | if (status < 0) | |
860 | break; | |
e8783950 | 861 | msleep(5); |
469ffe08 MCC |
862 | status = UpdateReg(state, EP1); |
863 | if (status < 0) | |
864 | break; | |
e8783950 RM |
865 | msleep(5); |
866 | state->m_Regs[EP5] = 0x87; | |
867 | state->m_Regs[CD1] = 0x65; | |
868 | state->m_Regs[CD2] = 0x50; | |
469ffe08 MCC |
869 | status = UpdateRegs(state, EP3, CD3); |
870 | if (status < 0) | |
871 | break; | |
e8783950 | 872 | msleep(5); |
469ffe08 MCC |
873 | status = UpdateReg(state, EP2); |
874 | if (status < 0) | |
875 | break; | |
e8783950 RM |
876 | msleep(30); |
877 | ||
0fe44629 | 878 | /* Back to normal */ |
e8783950 | 879 | state->m_Regs[EP4] = 0x64; |
469ffe08 MCC |
880 | status = UpdateReg(state, EP4); |
881 | if (status < 0) | |
882 | break; | |
883 | status = UpdateReg(state, EP1); | |
884 | if (status < 0) | |
885 | break; | |
e8783950 | 886 | |
0fe44629 | 887 | } while (0); |
e8783950 RM |
888 | return status; |
889 | } | |
890 | ||
891 | static int InitCal(struct tda_state *state) | |
892 | { | |
893 | int status = 0; | |
894 | ||
0fe44629 | 895 | do { |
469ffe08 MCC |
896 | status = FixedContentsI2CUpdate(state); |
897 | if (status < 0) | |
898 | break; | |
899 | status = CalcRFFilterCurve(state); | |
900 | if (status < 0) | |
901 | break; | |
902 | status = StandBy(state); | |
903 | if (status < 0) | |
904 | break; | |
0fe44629 OE |
905 | /* m_bInitDone = true; */ |
906 | } while (0); | |
e8783950 RM |
907 | return status; |
908 | }; | |
909 | ||
910 | static int RFTrackingFiltersCorrection(struct tda_state *state, | |
911 | u32 Frequency) | |
912 | { | |
913 | int status = 0; | |
914 | s32 Cprog_table; | |
915 | u8 RFBand; | |
916 | u8 dCoverdT; | |
917 | ||
0fe44629 OE |
918 | if (!SearchMap2(m_RF_Cal_Map, Frequency, &Cprog_table) || |
919 | !SearchMap4(m_RF_Band_Map, Frequency, &RFBand) || | |
920 | !SearchMap1(m_RF_Cal_DC_Over_DT_Map, Frequency, &dCoverdT)) | |
921 | ||
e8783950 | 922 | return -EINVAL; |
e8783950 | 923 | |
0fe44629 | 924 | do { |
e8783950 RM |
925 | u8 TMValue_Current; |
926 | u32 RF1 = state->m_RF1[RFBand]; | |
927 | u32 RF2 = state->m_RF1[RFBand]; | |
928 | u32 RF3 = state->m_RF1[RFBand]; | |
929 | s32 RF_A1 = state->m_RF_A1[RFBand]; | |
930 | s32 RF_B1 = state->m_RF_B1[RFBand]; | |
931 | s32 RF_A2 = state->m_RF_A2[RFBand]; | |
932 | s32 RF_B2 = state->m_RF_B2[RFBand]; | |
933 | s32 Capprox = 0; | |
934 | int TComp; | |
935 | ||
0fe44629 | 936 | state->m_Regs[EP3] &= ~0xE0; /* Power up */ |
469ffe08 MCC |
937 | status = UpdateReg(state, EP3); |
938 | if (status < 0) | |
939 | break; | |
e8783950 | 940 | |
469ffe08 MCC |
941 | status = ThermometerRead(state, &TMValue_Current); |
942 | if (status < 0) | |
943 | break; | |
e8783950 | 944 | |
0fe44629 | 945 | if (RF3 == 0 || Frequency < RF2) |
e8783950 | 946 | Capprox = RF_A1 * ((s32)(Frequency) - (s32)(RF1)) + RF_B1 + Cprog_table; |
e8783950 | 947 | else |
e8783950 | 948 | Capprox = RF_A2 * ((s32)(Frequency) - (s32)(RF2)) + RF_B2 + Cprog_table; |
e8783950 RM |
949 | |
950 | TComp = (int)(dCoverdT) * ((int)(TMValue_Current) - (int)(state->m_TMValue_RFCal))/1000; | |
951 | ||
952 | Capprox += TComp; | |
953 | ||
0fe44629 OE |
954 | if (Capprox < 0) |
955 | Capprox = 0; | |
956 | else if (Capprox > 255) | |
957 | Capprox = 255; | |
e8783950 RM |
958 | |
959 | ||
0fe44629 OE |
960 | /* TODO Temperature compensation. There is defenitely a scale factor */ |
961 | /* missing in the datasheet, so leave it out for now. */ | |
962 | state->m_Regs[EB14] = Capprox; | |
e8783950 | 963 | |
469ffe08 MCC |
964 | status = UpdateReg(state, EB14); |
965 | if (status < 0) | |
966 | break; | |
e8783950 | 967 | |
0fe44629 | 968 | } while (0); |
e8783950 RM |
969 | return status; |
970 | } | |
971 | ||
972 | static int ChannelConfiguration(struct tda_state *state, | |
973 | u32 Frequency, int Standard) | |
974 | { | |
975 | ||
976 | s32 IntermediateFrequency = m_StandardTable[Standard].m_IFFrequency; | |
977 | int status = 0; | |
978 | ||
979 | u8 BP_Filter = 0; | |
980 | u8 RF_Band = 0; | |
981 | u8 GainTaper = 0; | |
ea90f011 | 982 | u8 IR_Meas = 0; |
e8783950 | 983 | |
0fe44629 | 984 | state->IF = IntermediateFrequency; |
f3d40bd0 | 985 | /* printk("tda18271c2dd: %s Freq = %d Standard = %d IF = %d\n", __func__, Frequency, Standard, IntermediateFrequency); */ |
0fe44629 | 986 | /* get values from tables */ |
e8783950 | 987 | |
0fe44629 OE |
988 | if (!(SearchMap1(m_BP_Filter_Map, Frequency, &BP_Filter) && |
989 | SearchMap1(m_GainTaper_Map, Frequency, &GainTaper) && | |
990 | SearchMap1(m_IR_Meas_Map, Frequency, &IR_Meas) && | |
991 | SearchMap4(m_RF_Band_Map, Frequency, &RF_Band))) { | |
992 | ||
f3d40bd0 | 993 | printk(KERN_ERR "tda18271c2dd: %s SearchMap failed\n", __func__); |
e8783950 RM |
994 | return -EINVAL; |
995 | } | |
996 | ||
0fe44629 | 997 | do { |
e8783950 | 998 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | m_StandardTable[Standard].m_EP3_4_0; |
0fe44629 OE |
999 | state->m_Regs[EP3] &= ~0x04; /* switch RFAGC to high speed mode */ |
1000 | ||
1001 | /* m_EP4 default for XToutOn, CAL_Mode (0) */ | |
1002 | state->m_Regs[EP4] = state->m_EP4 | ((Standard > HF_AnalogMax) ? state->m_IFLevelDigital : state->m_IFLevelAnalog); | |
1003 | /* state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; */ | |
1004 | if (Standard <= HF_AnalogMax) | |
1005 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelAnalog; | |
1006 | else if (Standard <= HF_ATSC) | |
1007 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBT; | |
1008 | else if (Standard <= HF_DVBC) | |
1009 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBC; | |
1010 | else | |
1011 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; | |
e8783950 | 1012 | |
0fe44629 | 1013 | if ((Standard == HF_FM_Radio) && state->m_bFMInput) |
58632818 | 1014 | state->m_Regs[EP4] |= 0x80; |
e8783950 RM |
1015 | |
1016 | state->m_Regs[MPD] &= ~0x80; | |
0fe44629 OE |
1017 | if (Standard > HF_AnalogMax) |
1018 | state->m_Regs[MPD] |= 0x80; /* Add IF_notch for digital */ | |
e8783950 RM |
1019 | |
1020 | state->m_Regs[EB22] = m_StandardTable[Standard].m_EB22; | |
1021 | ||
0fe44629 OE |
1022 | /* Note: This is missing from flowchart in TDA18271 specification ( 1.5 MHz cutoff for FM ) */ |
1023 | if (Standard == HF_FM_Radio) | |
1024 | state->m_Regs[EB23] |= 0x06; /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
1025 | else | |
1026 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LPFc[2] = 0 */ | |
e8783950 | 1027 | |
469ffe08 MCC |
1028 | status = UpdateRegs(state, EB22, EB23); |
1029 | if (status < 0) | |
1030 | break; | |
e8783950 | 1031 | |
0fe44629 | 1032 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | 0x40 | BP_Filter; /* Dis_Power_level = 1, Filter */ |
e8783950 RM |
1033 | state->m_Regs[EP5] = (state->m_Regs[EP5] & ~0x07) | IR_Meas; |
1034 | state->m_Regs[EP2] = (RF_Band << 5) | GainTaper; | |
1035 | ||
1036 | state->m_Regs[EB1] = (state->m_Regs[EB1] & ~0x07) | | |
0fe44629 OE |
1037 | (state->m_bMaster ? 0x04 : 0x00); /* CALVCO_FortLOn = MS */ |
1038 | /* AGC1_always_master = 0 */ | |
1039 | /* AGC_firstn = 0 */ | |
469ffe08 MCC |
1040 | status = UpdateReg(state, EB1); |
1041 | if (status < 0) | |
1042 | break; | |
0fe44629 OE |
1043 | |
1044 | if (state->m_bMaster) { | |
469ffe08 MCC |
1045 | status = CalcMainPLL(state, Frequency + IntermediateFrequency); |
1046 | if (status < 0) | |
1047 | break; | |
1048 | status = UpdateRegs(state, TM, EP5); | |
1049 | if (status < 0) | |
1050 | break; | |
0fe44629 | 1051 | state->m_Regs[EB4] |= 0x20; /* LO_forceSrce = 1 */ |
469ffe08 MCC |
1052 | status = UpdateReg(state, EB4); |
1053 | if (status < 0) | |
1054 | break; | |
e8783950 | 1055 | msleep(1); |
0fe44629 | 1056 | state->m_Regs[EB4] &= ~0x20; /* LO_forceSrce = 0 */ |
469ffe08 MCC |
1057 | status = UpdateReg(state, EB4); |
1058 | if (status < 0) | |
1059 | break; | |
0fe44629 | 1060 | } else { |
ea90f011 | 1061 | u8 PostDiv = 0; |
e8783950 | 1062 | u8 Div; |
469ffe08 MCC |
1063 | status = CalcCalPLL(state, Frequency + IntermediateFrequency); |
1064 | if (status < 0) | |
1065 | break; | |
e8783950 | 1066 | |
0fe44629 | 1067 | SearchMap3(m_Cal_PLL_Map, Frequency + IntermediateFrequency, &PostDiv, &Div); |
e8783950 | 1068 | state->m_Regs[MPD] = (state->m_Regs[MPD] & ~0x7F) | (PostDiv & 0x77); |
469ffe08 MCC |
1069 | status = UpdateReg(state, MPD); |
1070 | if (status < 0) | |
1071 | break; | |
1072 | status = UpdateRegs(state, TM, EP5); | |
1073 | if (status < 0) | |
1074 | break; | |
e8783950 | 1075 | |
0fe44629 | 1076 | state->m_Regs[EB7] |= 0x20; /* CAL_forceSrce = 1 */ |
469ffe08 MCC |
1077 | status = UpdateReg(state, EB7); |
1078 | if (status < 0) | |
1079 | break; | |
e8783950 | 1080 | msleep(1); |
0fe44629 | 1081 | state->m_Regs[EB7] &= ~0x20; /* CAL_forceSrce = 0 */ |
469ffe08 MCC |
1082 | status = UpdateReg(state, EB7); |
1083 | if (status < 0) | |
1084 | break; | |
e8783950 RM |
1085 | } |
1086 | msleep(20); | |
0fe44629 OE |
1087 | if (Standard != HF_FM_Radio) |
1088 | state->m_Regs[EP3] |= 0x04; /* RFAGC to normal mode */ | |
469ffe08 MCC |
1089 | status = UpdateReg(state, EP3); |
1090 | if (status < 0) | |
1091 | break; | |
e8783950 | 1092 | |
0fe44629 | 1093 | } while (0); |
e8783950 RM |
1094 | return status; |
1095 | } | |
1096 | ||
0fe44629 | 1097 | static int sleep(struct dvb_frontend *fe) |
e8783950 RM |
1098 | { |
1099 | struct tda_state *state = fe->tuner_priv; | |
1100 | ||
1101 | StandBy(state); | |
1102 | return 0; | |
1103 | } | |
1104 | ||
0fe44629 | 1105 | static int init(struct dvb_frontend *fe) |
e8783950 | 1106 | { |
e8783950 RM |
1107 | return 0; |
1108 | } | |
1109 | ||
f2709c20 MCC |
1110 | static void release(struct dvb_frontend *fe) |
1111 | { | |
1112 | kfree(fe->tuner_priv); | |
1113 | fe->tuner_priv = NULL; | |
1114 | } | |
1115 | ||
1116 | ||
14d24d14 | 1117 | static int set_params(struct dvb_frontend *fe) |
e8783950 RM |
1118 | { |
1119 | struct tda_state *state = fe->tuner_priv; | |
1120 | int status = 0; | |
1121 | int Standard; | |
fd66c45d MCC |
1122 | u32 bw = fe->dtv_property_cache.bandwidth_hz; |
1123 | u32 delsys = fe->dtv_property_cache.delivery_system; | |
e8783950 | 1124 | |
fd66c45d | 1125 | state->m_Frequency = fe->dtv_property_cache.frequency; |
e8783950 | 1126 | |
fd66c45d MCC |
1127 | switch (delsys) { |
1128 | case SYS_DVBT: | |
1129 | case SYS_DVBT2: | |
1130 | switch (bw) { | |
1131 | case 6000000: | |
e8783950 RM |
1132 | Standard = HF_DVBT_6MHZ; |
1133 | break; | |
fd66c45d | 1134 | case 7000000: |
e8783950 RM |
1135 | Standard = HF_DVBT_7MHZ; |
1136 | break; | |
fd66c45d | 1137 | case 8000000: |
e8783950 RM |
1138 | Standard = HF_DVBT_8MHZ; |
1139 | break; | |
fd66c45d MCC |
1140 | default: |
1141 | return -EINVAL; | |
e8783950 | 1142 | } |
ca747d04 | 1143 | break; |
fd66c45d MCC |
1144 | case SYS_DVBC_ANNEX_A: |
1145 | case SYS_DVBC_ANNEX_C: | |
2440f7af | 1146 | if (bw <= 6000000) |
cf845297 | 1147 | Standard = HF_DVBC_6MHZ; |
2440f7af MCC |
1148 | else if (bw <= 7000000) |
1149 | Standard = HF_DVBC_7MHZ; | |
cf845297 MCC |
1150 | else |
1151 | Standard = HF_DVBC_8MHZ; | |
1ca8dde8 | 1152 | break; |
fd66c45d | 1153 | default: |
e8783950 | 1154 | return -EINVAL; |
fd66c45d | 1155 | } |
e8783950 | 1156 | do { |
fd66c45d | 1157 | status = RFTrackingFiltersCorrection(state, state->m_Frequency); |
469ffe08 MCC |
1158 | if (status < 0) |
1159 | break; | |
fd66c45d MCC |
1160 | status = ChannelConfiguration(state, state->m_Frequency, |
1161 | Standard); | |
469ffe08 MCC |
1162 | if (status < 0) |
1163 | break; | |
e8783950 | 1164 | |
0fe44629 OE |
1165 | msleep(state->m_SettlingTime); /* Allow AGC's to settle down */ |
1166 | } while (0); | |
e8783950 RM |
1167 | return status; |
1168 | } | |
1169 | ||
1170 | #if 0 | |
0fe44629 | 1171 | static int GetSignalStrength(s32 *pSignalStrength, u32 RFAgc, u32 IFAgc) |
e8783950 | 1172 | { |
0fe44629 OE |
1173 | if (IFAgc < 500) { |
1174 | /* Scale this from 0 to 50000 */ | |
e8783950 RM |
1175 | *pSignalStrength = IFAgc * 100; |
1176 | } else { | |
0fe44629 | 1177 | /* Scale range 500-1500 to 50000-80000 */ |
e8783950 RM |
1178 | *pSignalStrength = 50000 + (IFAgc - 500) * 30; |
1179 | } | |
1180 | ||
1181 | return 0; | |
1182 | } | |
1183 | #endif | |
1184 | ||
8513e144 | 1185 | static int get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
e8783950 RM |
1186 | { |
1187 | struct tda_state *state = fe->tuner_priv; | |
1188 | ||
1189 | *frequency = state->IF; | |
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | static int get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1194 | { | |
0fe44629 OE |
1195 | /* struct tda_state *state = fe->tuner_priv; */ |
1196 | /* *bandwidth = priv->bandwidth; */ | |
e8783950 RM |
1197 | return 0; |
1198 | } | |
1199 | ||
1200 | ||
14c4bf3c | 1201 | static const struct dvb_tuner_ops tuner_ops = { |
e8783950 RM |
1202 | .info = { |
1203 | .name = "NXP TDA18271C2D", | |
a3f90c75 MCC |
1204 | .frequency_min_hz = 47125 * kHz, |
1205 | .frequency_max_hz = 865 * MHz, | |
1206 | .frequency_step_hz = 62500 | |
e8783950 RM |
1207 | }, |
1208 | .init = init, | |
1209 | .sleep = sleep, | |
1210 | .set_params = set_params, | |
f2709c20 | 1211 | .release = release, |
8513e144 | 1212 | .get_if_frequency = get_if_frequency, |
e8783950 RM |
1213 | .get_bandwidth = get_bandwidth, |
1214 | }; | |
1215 | ||
1216 | struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe, | |
1217 | struct i2c_adapter *i2c, u8 adr) | |
1218 | { | |
1219 | struct tda_state *state; | |
1220 | ||
1221 | state = kzalloc(sizeof(struct tda_state), GFP_KERNEL); | |
1222 | if (!state) | |
1223 | return NULL; | |
1224 | ||
1225 | fe->tuner_priv = state; | |
1226 | state->adr = adr; | |
1227 | state->i2c = i2c; | |
1228 | memcpy(&fe->ops.tuner_ops, &tuner_ops, sizeof(struct dvb_tuner_ops)); | |
1229 | reset(state); | |
1230 | InitCal(state); | |
1231 | ||
1232 | return fe; | |
1233 | } | |
e8783950 | 1234 | EXPORT_SYMBOL_GPL(tda18271c2dd_attach); |
0fe44629 | 1235 | |
e8783950 RM |
1236 | MODULE_DESCRIPTION("TDA18271C2 driver"); |
1237 | MODULE_AUTHOR("DD"); | |
1238 | MODULE_LICENSE("GPL"); |