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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> | |
32 | #include <linux/version.h> | |
33 | #include <asm/div64.h> | |
34 | ||
35 | #include "dvb_frontend.h" | |
36 | ||
37 | struct SStandardParam { | |
38 | s32 m_IFFrequency; | |
39 | u32 m_BandWidth; | |
40 | u8 m_EP3_4_0; | |
41 | u8 m_EB22; | |
42 | }; | |
43 | ||
44 | struct SMap { | |
45 | u32 m_Frequency; | |
46 | u8 m_Param; | |
47 | }; | |
48 | ||
49 | struct SMapI { | |
50 | u32 m_Frequency; | |
51 | s32 m_Param; | |
52 | }; | |
53 | ||
54 | struct SMap2 { | |
55 | u32 m_Frequency; | |
56 | u8 m_Param1; | |
57 | u8 m_Param2; | |
58 | }; | |
59 | ||
60 | struct SRFBandMap { | |
61 | u32 m_RF_max; | |
62 | u32 m_RF1_Default; | |
63 | u32 m_RF2_Default; | |
64 | u32 m_RF3_Default; | |
65 | }; | |
66 | ||
0fe44629 | 67 | enum ERegister { |
e8783950 RM |
68 | ID = 0, |
69 | TM, | |
70 | PL, | |
71 | EP1, EP2, EP3, EP4, EP5, | |
72 | CPD, CD1, CD2, CD3, | |
73 | MPD, MD1, MD2, MD3, | |
74 | EB1, EB2, EB3, EB4, EB5, EB6, EB7, EB8, EB9, EB10, | |
75 | EB11, EB12, EB13, EB14, EB15, EB16, EB17, EB18, EB19, EB20, | |
76 | EB21, EB22, EB23, | |
77 | NUM_REGS | |
78 | }; | |
79 | ||
80 | struct tda_state { | |
81 | struct i2c_adapter *i2c; | |
82 | u8 adr; | |
83 | ||
84 | u32 m_Frequency; | |
85 | u32 IF; | |
86 | ||
87 | u8 m_IFLevelAnalog; | |
88 | u8 m_IFLevelDigital; | |
89 | u8 m_IFLevelDVBC; | |
90 | u8 m_IFLevelDVBT; | |
91 | ||
92 | u8 m_EP4; | |
93 | u8 m_EP3_Standby; | |
94 | ||
95 | bool m_bMaster; | |
96 | ||
97 | s32 m_SettlingTime; | |
98 | ||
99 | u8 m_Regs[NUM_REGS]; | |
100 | ||
101 | /* Tracking filter settings for band 0..6 */ | |
102 | u32 m_RF1[7]; | |
103 | s32 m_RF_A1[7]; | |
104 | s32 m_RF_B1[7]; | |
105 | u32 m_RF2[7]; | |
106 | s32 m_RF_A2[7]; | |
107 | s32 m_RF_B2[7]; | |
108 | u32 m_RF3[7]; | |
109 | ||
110 | u8 m_TMValue_RFCal; /* Calibration temperatur */ | |
111 | ||
112 | bool m_bFMInput; /* true to use Pin 8 for FM Radio */ | |
113 | ||
114 | }; | |
115 | ||
116 | static int PowerScan(struct tda_state *state, | |
0fe44629 OE |
117 | u8 RFBand, u32 RF_in, |
118 | u32 *pRF_Out, bool *pbcal); | |
e8783950 RM |
119 | |
120 | static int i2c_readn(struct i2c_adapter *adapter, u8 adr, u8 *data, int len) | |
121 | { | |
122 | struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD, | |
0fe44629 | 123 | .buf = data, .len = len} }; |
e8783950 RM |
124 | return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; |
125 | } | |
126 | ||
127 | static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len) | |
128 | { | |
129 | struct i2c_msg msg = {.addr = adr, .flags = 0, | |
130 | .buf = data, .len = len}; | |
131 | ||
132 | if (i2c_transfer(adap, &msg, 1) != 1) { | |
0fe44629 | 133 | printk(KERN_ERR "i2c_write error\n"); |
e8783950 RM |
134 | return -1; |
135 | } | |
136 | return 0; | |
137 | } | |
138 | ||
139 | static int WriteRegs(struct tda_state *state, | |
140 | u8 SubAddr, u8 *Regs, u16 nRegs) | |
141 | { | |
142 | u8 data[nRegs+1]; | |
143 | ||
144 | data[0] = SubAddr; | |
145 | memcpy(data + 1, Regs, nRegs); | |
146 | return i2c_write(state->i2c, state->adr, data, nRegs+1); | |
147 | } | |
148 | ||
0fe44629 | 149 | static int WriteReg(struct tda_state *state, u8 SubAddr, u8 Reg) |
e8783950 RM |
150 | { |
151 | u8 msg[2] = {SubAddr, Reg}; | |
152 | ||
153 | return i2c_write(state->i2c, state->adr, msg, 2); | |
154 | } | |
155 | ||
156 | static int Read(struct tda_state *state, u8 * Regs) | |
157 | { | |
158 | return i2c_readn(state->i2c, state->adr, Regs, 16); | |
159 | } | |
160 | ||
161 | static int ReadExtented(struct tda_state *state, u8 * Regs) | |
162 | { | |
163 | return i2c_readn(state->i2c, state->adr, Regs, NUM_REGS); | |
164 | } | |
165 | ||
0fe44629 | 166 | static int UpdateRegs(struct tda_state *state, u8 RegFrom, u8 RegTo) |
e8783950 RM |
167 | { |
168 | return WriteRegs(state, RegFrom, | |
169 | &state->m_Regs[RegFrom], RegTo-RegFrom+1); | |
170 | } | |
171 | static int UpdateReg(struct tda_state *state, u8 Reg) | |
172 | { | |
0fe44629 | 173 | return WriteReg(state, Reg, state->m_Regs[Reg]); |
e8783950 RM |
174 | } |
175 | ||
176 | #include "tda18271c2dd_maps.h" | |
177 | ||
e8783950 RM |
178 | static void reset(struct tda_state *state) |
179 | { | |
180 | u32 ulIFLevelAnalog = 0; | |
181 | u32 ulIFLevelDigital = 2; | |
182 | u32 ulIFLevelDVBC = 7; | |
183 | u32 ulIFLevelDVBT = 6; | |
184 | u32 ulXTOut = 0; | |
0fe44629 | 185 | u32 ulStandbyMode = 0x06; /* Send in stdb, but leave osc on */ |
e8783950 RM |
186 | u32 ulSlave = 0; |
187 | u32 ulFMInput = 0; | |
188 | u32 ulSettlingTime = 100; | |
189 | ||
190 | state->m_Frequency = 0; | |
191 | state->m_SettlingTime = 100; | |
192 | state->m_IFLevelAnalog = (ulIFLevelAnalog & 0x07) << 2; | |
193 | state->m_IFLevelDigital = (ulIFLevelDigital & 0x07) << 2; | |
194 | state->m_IFLevelDVBC = (ulIFLevelDVBC & 0x07) << 2; | |
195 | state->m_IFLevelDVBT = (ulIFLevelDVBT & 0x07) << 2; | |
196 | ||
197 | state->m_EP4 = 0x20; | |
0fe44629 OE |
198 | if (ulXTOut != 0) |
199 | state->m_EP4 |= 0x40; | |
e8783950 RM |
200 | |
201 | state->m_EP3_Standby = ((ulStandbyMode & 0x07) << 5) | 0x0F; | |
202 | state->m_bMaster = (ulSlave == 0); | |
203 | ||
204 | state->m_SettlingTime = ulSettlingTime; | |
205 | ||
206 | state->m_bFMInput = (ulFMInput == 2); | |
207 | } | |
208 | ||
209 | static bool SearchMap1(struct SMap Map[], | |
210 | u32 Frequency, u8 *pParam) | |
211 | { | |
212 | int i = 0; | |
213 | ||
0fe44629 | 214 | while ((Map[i].m_Frequency != 0) && (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
215 | i += 1; |
216 | if (Map[i].m_Frequency == 0) | |
217 | return false; | |
218 | *pParam = Map[i].m_Param; | |
219 | return true; | |
220 | } | |
221 | ||
222 | static bool SearchMap2(struct SMapI Map[], | |
223 | u32 Frequency, s32 *pParam) | |
224 | { | |
225 | int i = 0; | |
226 | ||
227 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 228 | (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
229 | i += 1; |
230 | if (Map[i].m_Frequency == 0) | |
231 | return false; | |
232 | *pParam = Map[i].m_Param; | |
233 | return true; | |
234 | } | |
235 | ||
0fe44629 | 236 | static bool SearchMap3(struct SMap2 Map[], u32 Frequency, |
e8783950 RM |
237 | u8 *pParam1, u8 *pParam2) |
238 | { | |
239 | int i = 0; | |
240 | ||
241 | while ((Map[i].m_Frequency != 0) && | |
0fe44629 | 242 | (Frequency > Map[i].m_Frequency)) |
e8783950 RM |
243 | i += 1; |
244 | if (Map[i].m_Frequency == 0) | |
245 | return false; | |
246 | *pParam1 = Map[i].m_Param1; | |
247 | *pParam2 = Map[i].m_Param2; | |
248 | return true; | |
249 | } | |
250 | ||
251 | static bool SearchMap4(struct SRFBandMap Map[], | |
252 | u32 Frequency, u8 *pRFBand) | |
253 | { | |
254 | int i = 0; | |
255 | ||
256 | while (i < 7 && (Frequency > Map[i].m_RF_max)) | |
257 | i += 1; | |
258 | if (i == 7) | |
259 | return false; | |
260 | *pRFBand = i; | |
261 | return true; | |
262 | } | |
263 | ||
264 | static int ThermometerRead(struct tda_state *state, u8 *pTM_Value) | |
265 | { | |
266 | int status = 0; | |
267 | ||
268 | do { | |
269 | u8 Regs[16]; | |
270 | state->m_Regs[TM] |= 0x10; | |
469ffe08 MCC |
271 | status = UpdateReg(state, TM); |
272 | if (status < 0) | |
273 | break; | |
274 | status = Read(state, Regs); | |
275 | if (status < 0) | |
276 | break; | |
0fe44629 OE |
277 | if (((Regs[TM] & 0x0F) == 0 && (Regs[TM] & 0x20) == 0x20) || |
278 | ((Regs[TM] & 0x0F) == 8 && (Regs[TM] & 0x20) == 0x00)) { | |
e8783950 | 279 | state->m_Regs[TM] ^= 0x20; |
469ffe08 MCC |
280 | status = UpdateReg(state, TM); |
281 | if (status < 0) | |
282 | break; | |
e8783950 | 283 | msleep(10); |
469ffe08 MCC |
284 | status = Read(state, Regs); |
285 | if (status < 0) | |
286 | break; | |
e8783950 | 287 | } |
0fe44629 OE |
288 | *pTM_Value = (Regs[TM] & 0x20) |
289 | ? m_Thermometer_Map_2[Regs[TM] & 0x0F] | |
290 | : m_Thermometer_Map_1[Regs[TM] & 0x0F] ; | |
291 | state->m_Regs[TM] &= ~0x10; /* Thermometer off */ | |
469ffe08 MCC |
292 | status = UpdateReg(state, TM); |
293 | if (status < 0) | |
294 | break; | |
0fe44629 | 295 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 ????????? */ |
469ffe08 MCC |
296 | status = UpdateReg(state, EP4); |
297 | if (status < 0) | |
298 | break; | |
0fe44629 | 299 | } while (0); |
e8783950 RM |
300 | |
301 | return status; | |
302 | } | |
303 | ||
304 | static int StandBy(struct tda_state *state) | |
305 | { | |
306 | int status = 0; | |
307 | do { | |
0fe44629 | 308 | state->m_Regs[EB12] &= ~0x20; /* PD_AGC1_Det = 0 */ |
469ffe08 MCC |
309 | status = UpdateReg(state, EB12); |
310 | if (status < 0) | |
311 | break; | |
0fe44629 | 312 | state->m_Regs[EB18] &= ~0x83; /* AGC1_loop_off = 0, AGC1_Gain = 6 dB */ |
469ffe08 MCC |
313 | status = UpdateReg(state, EB18); |
314 | if (status < 0) | |
315 | break; | |
0fe44629 | 316 | state->m_Regs[EB21] |= 0x03; /* AGC2_Gain = -6 dB */ |
e8783950 | 317 | state->m_Regs[EP3] = state->m_EP3_Standby; |
469ffe08 MCC |
318 | status = UpdateReg(state, EP3); |
319 | if (status < 0) | |
320 | break; | |
0fe44629 | 321 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LP_Fc[2] = 0 */ |
469ffe08 MCC |
322 | status = UpdateRegs(state, EB21, EB23); |
323 | if (status < 0) | |
324 | break; | |
0fe44629 | 325 | } while (0); |
e8783950 RM |
326 | return status; |
327 | } | |
328 | ||
329 | static int CalcMainPLL(struct tda_state *state, u32 freq) | |
330 | { | |
331 | ||
332 | u8 PostDiv; | |
333 | u8 Div; | |
334 | u64 OscFreq; | |
335 | u32 MainDiv; | |
336 | ||
0fe44629 | 337 | if (!SearchMap3(m_Main_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 338 | return -EINVAL; |
e8783950 RM |
339 | |
340 | OscFreq = (u64) freq * (u64) Div; | |
341 | OscFreq *= (u64) 16384; | |
342 | do_div(OscFreq, (u64)16000000); | |
343 | MainDiv = OscFreq; | |
344 | ||
345 | state->m_Regs[MPD] = PostDiv & 0x77; | |
346 | state->m_Regs[MD1] = ((MainDiv >> 16) & 0x7F); | |
347 | state->m_Regs[MD2] = ((MainDiv >> 8) & 0xFF); | |
0fe44629 | 348 | state->m_Regs[MD3] = (MainDiv & 0xFF); |
e8783950 RM |
349 | |
350 | return UpdateRegs(state, MPD, MD3); | |
351 | } | |
352 | ||
353 | static int CalcCalPLL(struct tda_state *state, u32 freq) | |
354 | { | |
e8783950 RM |
355 | u8 PostDiv; |
356 | u8 Div; | |
357 | u64 OscFreq; | |
358 | u32 CalDiv; | |
359 | ||
0fe44629 | 360 | if (!SearchMap3(m_Cal_PLL_Map, freq, &PostDiv, &Div)) |
e8783950 | 361 | return -EINVAL; |
e8783950 RM |
362 | |
363 | OscFreq = (u64)freq * (u64)Div; | |
0fe44629 OE |
364 | /* CalDiv = u32( OscFreq * 16384 / 16000000 ); */ |
365 | OscFreq *= (u64)16384; | |
e8783950 | 366 | do_div(OscFreq, (u64)16000000); |
0fe44629 | 367 | CalDiv = OscFreq; |
e8783950 RM |
368 | |
369 | state->m_Regs[CPD] = PostDiv; | |
370 | state->m_Regs[CD1] = ((CalDiv >> 16) & 0xFF); | |
371 | state->m_Regs[CD2] = ((CalDiv >> 8) & 0xFF); | |
0fe44629 | 372 | state->m_Regs[CD3] = (CalDiv & 0xFF); |
e8783950 | 373 | |
0fe44629 | 374 | return UpdateRegs(state, CPD, CD3); |
e8783950 RM |
375 | } |
376 | ||
377 | static int CalibrateRF(struct tda_state *state, | |
0fe44629 | 378 | u8 RFBand, u32 freq, s32 *pCprog) |
e8783950 | 379 | { |
e8783950 RM |
380 | int status = 0; |
381 | u8 Regs[NUM_REGS]; | |
382 | do { | |
0fe44629 OE |
383 | u8 BP_Filter = 0; |
384 | u8 GainTaper = 0; | |
385 | u8 RFC_K = 0; | |
386 | u8 RFC_M = 0; | |
387 | ||
388 | state->m_Regs[EP4] &= ~0x03; /* CAL_mode = 0 */ | |
469ffe08 MCC |
389 | status = UpdateReg(state, EP4); |
390 | if (status < 0) | |
391 | break; | |
0fe44629 | 392 | state->m_Regs[EB18] |= 0x03; /* AGC1_Gain = 3 */ |
469ffe08 MCC |
393 | status = UpdateReg(state, EB18); |
394 | if (status < 0) | |
395 | break; | |
0fe44629 OE |
396 | |
397 | /* Switching off LT (as datasheet says) causes calibration on C1 to fail */ | |
398 | /* (Readout of Cprog is allways 255) */ | |
399 | if (state->m_Regs[ID] != 0x83) /* C1: ID == 83, C2: ID == 84 */ | |
400 | state->m_Regs[EP3] |= 0x40; /* SM_LT = 1 */ | |
401 | ||
402 | if (!(SearchMap1(m_BP_Filter_Map, freq, &BP_Filter) && | |
403 | SearchMap1(m_GainTaper_Map, freq, &GainTaper) && | |
404 | SearchMap3(m_KM_Map, freq, &RFC_K, &RFC_M))) | |
e8783950 | 405 | return -EINVAL; |
e8783950 RM |
406 | |
407 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | BP_Filter; | |
408 | state->m_Regs[EP2] = (RFBand << 5) | GainTaper; | |
409 | ||
410 | state->m_Regs[EB13] = (state->m_Regs[EB13] & ~0x7C) | (RFC_K << 4) | (RFC_M << 2); | |
411 | ||
469ffe08 MCC |
412 | status = UpdateRegs(state, EP1, EP3); |
413 | if (status < 0) | |
414 | break; | |
415 | status = UpdateReg(state, EB13); | |
416 | if (status < 0) | |
417 | break; | |
e8783950 | 418 | |
0fe44629 | 419 | state->m_Regs[EB4] |= 0x20; /* LO_ForceSrce = 1 */ |
469ffe08 MCC |
420 | status = UpdateReg(state, EB4); |
421 | if (status < 0) | |
422 | break; | |
e8783950 | 423 | |
0fe44629 | 424 | state->m_Regs[EB7] |= 0x20; /* CAL_ForceSrce = 1 */ |
469ffe08 MCC |
425 | status = UpdateReg(state, EB7); |
426 | if (status < 0) | |
427 | break; | |
e8783950 | 428 | |
0fe44629 | 429 | state->m_Regs[EB14] = 0; /* RFC_Cprog = 0 */ |
469ffe08 MCC |
430 | status = UpdateReg(state, EB14); |
431 | if (status < 0) | |
432 | break; | |
e8783950 | 433 | |
0fe44629 | 434 | state->m_Regs[EB20] &= ~0x20; /* ForceLock = 0; */ |
469ffe08 MCC |
435 | status = UpdateReg(state, EB20); |
436 | if (status < 0) | |
437 | break; | |
e8783950 | 438 | |
0fe44629 | 439 | state->m_Regs[EP4] |= 0x03; /* CAL_Mode = 3 */ |
469ffe08 MCC |
440 | status = UpdateRegs(state, EP4, EP5); |
441 | if (status < 0) | |
442 | break; | |
e8783950 | 443 | |
469ffe08 MCC |
444 | status = CalcCalPLL(state, freq); |
445 | if (status < 0) | |
446 | break; | |
447 | status = CalcMainPLL(state, freq + 1000000); | |
448 | if (status < 0) | |
449 | break; | |
e8783950 RM |
450 | |
451 | msleep(5); | |
469ffe08 MCC |
452 | status = UpdateReg(state, EP2); |
453 | if (status < 0) | |
454 | break; | |
455 | status = UpdateReg(state, EP1); | |
456 | if (status < 0) | |
457 | break; | |
458 | status = UpdateReg(state, EP2); | |
459 | if (status < 0) | |
460 | break; | |
461 | status = UpdateReg(state, EP1); | |
462 | if (status < 0) | |
463 | break; | |
e8783950 | 464 | |
0fe44629 | 465 | state->m_Regs[EB4] &= ~0x20; /* LO_ForceSrce = 0 */ |
469ffe08 MCC |
466 | status = UpdateReg(state, EB4); |
467 | if (status < 0) | |
468 | break; | |
e8783950 | 469 | |
0fe44629 | 470 | state->m_Regs[EB7] &= ~0x20; /* CAL_ForceSrce = 0 */ |
469ffe08 MCC |
471 | status = UpdateReg(state, EB7); |
472 | if (status < 0) | |
473 | break; | |
e8783950 RM |
474 | msleep(10); |
475 | ||
0fe44629 | 476 | state->m_Regs[EB20] |= 0x20; /* ForceLock = 1; */ |
469ffe08 MCC |
477 | status = UpdateReg(state, EB20); |
478 | if (status < 0) | |
479 | break; | |
e8783950 RM |
480 | msleep(60); |
481 | ||
0fe44629 OE |
482 | state->m_Regs[EP4] &= ~0x03; /* CAL_Mode = 0 */ |
483 | state->m_Regs[EP3] &= ~0x40; /* SM_LT = 0 */ | |
484 | state->m_Regs[EB18] &= ~0x03; /* AGC1_Gain = 0 */ | |
469ffe08 MCC |
485 | status = UpdateReg(state, EB18); |
486 | if (status < 0) | |
487 | break; | |
488 | status = UpdateRegs(state, EP3, EP4); | |
489 | if (status < 0) | |
490 | break; | |
491 | status = UpdateReg(state, EP1); | |
492 | if (status < 0) | |
493 | break; | |
e8783950 | 494 | |
469ffe08 MCC |
495 | status = ReadExtented(state, Regs); |
496 | if (status < 0) | |
497 | break; | |
e8783950 RM |
498 | |
499 | *pCprog = Regs[EB14]; | |
e8783950 | 500 | |
0fe44629 | 501 | } while (0); |
e8783950 RM |
502 | return status; |
503 | } | |
504 | ||
505 | static int RFTrackingFiltersInit(struct tda_state *state, | |
506 | u8 RFBand) | |
507 | { | |
e8783950 RM |
508 | int status = 0; |
509 | ||
510 | u32 RF1 = m_RF_Band_Map[RFBand].m_RF1_Default; | |
511 | u32 RF2 = m_RF_Band_Map[RFBand].m_RF2_Default; | |
512 | u32 RF3 = m_RF_Band_Map[RFBand].m_RF3_Default; | |
513 | bool bcal = false; | |
514 | ||
515 | s32 Cprog_cal1 = 0; | |
516 | s32 Cprog_table1 = 0; | |
517 | s32 Cprog_cal2 = 0; | |
518 | s32 Cprog_table2 = 0; | |
519 | s32 Cprog_cal3 = 0; | |
520 | s32 Cprog_table3 = 0; | |
521 | ||
522 | state->m_RF_A1[RFBand] = 0; | |
523 | state->m_RF_B1[RFBand] = 0; | |
524 | state->m_RF_A2[RFBand] = 0; | |
525 | state->m_RF_B2[RFBand] = 0; | |
526 | ||
527 | do { | |
469ffe08 MCC |
528 | status = PowerScan(state, RFBand, RF1, &RF1, &bcal); |
529 | if (status < 0) | |
530 | break; | |
0fe44629 | 531 | if (bcal) { |
469ffe08 MCC |
532 | status = CalibrateRF(state, RFBand, RF1, &Cprog_cal1); |
533 | if (status < 0) | |
534 | break; | |
e8783950 | 535 | } |
0fe44629 OE |
536 | SearchMap2(m_RF_Cal_Map, RF1, &Cprog_table1); |
537 | if (!bcal) | |
e8783950 | 538 | Cprog_cal1 = Cprog_table1; |
e8783950 | 539 | state->m_RF_B1[RFBand] = Cprog_cal1 - Cprog_table1; |
0fe44629 | 540 | /* state->m_RF_A1[RF_Band] = ???? */ |
e8783950 | 541 | |
0fe44629 OE |
542 | if (RF2 == 0) |
543 | break; | |
e8783950 | 544 | |
469ffe08 MCC |
545 | status = PowerScan(state, RFBand, RF2, &RF2, &bcal); |
546 | if (status < 0) | |
547 | break; | |
0fe44629 | 548 | if (bcal) { |
469ffe08 MCC |
549 | status = CalibrateRF(state, RFBand, RF2, &Cprog_cal2); |
550 | if (status < 0) | |
551 | break; | |
e8783950 | 552 | } |
0fe44629 OE |
553 | SearchMap2(m_RF_Cal_Map, RF2, &Cprog_table2); |
554 | if (!bcal) | |
e8783950 | 555 | Cprog_cal2 = Cprog_table2; |
e8783950 RM |
556 | |
557 | state->m_RF_A1[RFBand] = | |
558 | (Cprog_cal2 - Cprog_table2 - Cprog_cal1 + Cprog_table1) / | |
0fe44629 | 559 | ((s32)(RF2) - (s32)(RF1)); |
e8783950 | 560 | |
0fe44629 OE |
561 | if (RF3 == 0) |
562 | break; | |
e8783950 | 563 | |
469ffe08 MCC |
564 | status = PowerScan(state, RFBand, RF3, &RF3, &bcal); |
565 | if (status < 0) | |
566 | break; | |
0fe44629 | 567 | if (bcal) { |
469ffe08 MCC |
568 | status = CalibrateRF(state, RFBand, RF3, &Cprog_cal3); |
569 | if (status < 0) | |
570 | break; | |
e8783950 | 571 | } |
0fe44629 OE |
572 | SearchMap2(m_RF_Cal_Map, RF3, &Cprog_table3); |
573 | if (!bcal) | |
e8783950 | 574 | Cprog_cal3 = Cprog_table3; |
0fe44629 | 575 | state->m_RF_A2[RFBand] = (Cprog_cal3 - Cprog_table3 - Cprog_cal2 + Cprog_table2) / ((s32)(RF3) - (s32)(RF2)); |
e8783950 RM |
576 | state->m_RF_B2[RFBand] = Cprog_cal2 - Cprog_table2; |
577 | ||
0fe44629 | 578 | } while (0); |
e8783950 RM |
579 | |
580 | state->m_RF1[RFBand] = RF1; | |
581 | state->m_RF2[RFBand] = RF2; | |
582 | state->m_RF3[RFBand] = RF3; | |
583 | ||
584 | #if 0 | |
0fe44629 OE |
585 | printk(KERN_ERR "%s %d RF1 = %d A1 = %d B1 = %d RF2 = %d A2 = %d B2 = %d RF3 = %d\n", __func__, |
586 | RFBand, RF1, state->m_RF_A1[RFBand], state->m_RF_B1[RFBand], RF2, | |
587 | state->m_RF_A2[RFBand], state->m_RF_B2[RFBand], RF3); | |
e8783950 RM |
588 | #endif |
589 | ||
590 | return status; | |
591 | } | |
592 | ||
593 | static int PowerScan(struct tda_state *state, | |
0fe44629 | 594 | u8 RFBand, u32 RF_in, u32 *pRF_Out, bool *pbcal) |
e8783950 | 595 | { |
0fe44629 OE |
596 | int status = 0; |
597 | do { | |
598 | u8 Gain_Taper = 0; | |
599 | s32 RFC_Cprog = 0; | |
600 | u8 CID_Target = 0; | |
601 | u8 CountLimit = 0; | |
602 | u32 freq_MainPLL; | |
603 | u8 Regs[NUM_REGS]; | |
604 | u8 CID_Gain; | |
605 | s32 Count = 0; | |
606 | int sign = 1; | |
607 | bool wait = false; | |
608 | ||
609 | if (!(SearchMap2(m_RF_Cal_Map, RF_in, &RFC_Cprog) && | |
610 | SearchMap1(m_GainTaper_Map, RF_in, &Gain_Taper) && | |
611 | SearchMap3(m_CID_Target_Map, RF_in, &CID_Target, &CountLimit))) { | |
612 | ||
613 | printk(KERN_ERR "%s Search map failed\n", __func__); | |
614 | return -EINVAL; | |
615 | } | |
616 | ||
617 | state->m_Regs[EP2] = (RFBand << 5) | Gain_Taper; | |
618 | state->m_Regs[EB14] = (RFC_Cprog); | |
469ffe08 MCC |
619 | status = UpdateReg(state, EP2); |
620 | if (status < 0) | |
621 | break; | |
622 | status = UpdateReg(state, EB14); | |
623 | if (status < 0) | |
624 | break; | |
0fe44629 OE |
625 | |
626 | freq_MainPLL = RF_in + 1000000; | |
469ffe08 MCC |
627 | status = CalcMainPLL(state, freq_MainPLL); |
628 | if (status < 0) | |
629 | break; | |
0fe44629 OE |
630 | msleep(5); |
631 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x03) | 1; /* CAL_mode = 1 */ | |
469ffe08 MCC |
632 | status = UpdateReg(state, EP4); |
633 | if (status < 0) | |
634 | break; | |
635 | status = UpdateReg(state, EP2); /* Launch power measurement */ | |
636 | if (status < 0) | |
637 | break; | |
638 | status = ReadExtented(state, Regs); | |
639 | if (status < 0) | |
640 | break; | |
0fe44629 OE |
641 | CID_Gain = Regs[EB10] & 0x3F; |
642 | state->m_Regs[ID] = Regs[ID]; /* Chip version, (needed for C1 workarround in CalibrateRF) */ | |
643 | ||
644 | *pRF_Out = RF_in; | |
645 | ||
646 | while (CID_Gain < CID_Target) { | |
647 | freq_MainPLL = RF_in + sign * Count + 1000000; | |
469ffe08 MCC |
648 | status = CalcMainPLL(state, freq_MainPLL); |
649 | if (status < 0) | |
650 | break; | |
0fe44629 OE |
651 | msleep(wait ? 5 : 1); |
652 | wait = false; | |
469ffe08 MCC |
653 | status = UpdateReg(state, EP2); /* Launch power measurement */ |
654 | if (status < 0) | |
655 | break; | |
656 | status = ReadExtented(state, Regs); | |
657 | if (status < 0) | |
658 | break; | |
0fe44629 OE |
659 | CID_Gain = Regs[EB10] & 0x3F; |
660 | Count += 200000; | |
661 | ||
662 | if (Count < CountLimit * 100000) | |
663 | continue; | |
664 | if (sign < 0) | |
665 | break; | |
666 | ||
667 | sign = -sign; | |
668 | Count = 200000; | |
669 | wait = true; | |
670 | } | |
469ffe08 MCC |
671 | status = status; |
672 | if (status < 0) | |
673 | break; | |
0fe44629 OE |
674 | if (CID_Gain >= CID_Target) { |
675 | *pbcal = true; | |
676 | *pRF_Out = freq_MainPLL - 1000000; | |
677 | } else | |
678 | *pbcal = false; | |
679 | } while (0); | |
680 | ||
681 | return status; | |
e8783950 RM |
682 | } |
683 | ||
684 | static int PowerScanInit(struct tda_state *state) | |
685 | { | |
e8783950 | 686 | int status = 0; |
0fe44629 | 687 | do { |
e8783950 | 688 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | 0x12; |
0fe44629 | 689 | state->m_Regs[EP4] = (state->m_Regs[EP4] & ~0x1F); /* If level = 0, Cal mode = 0 */ |
469ffe08 MCC |
690 | status = UpdateRegs(state, EP3, EP4); |
691 | if (status < 0) | |
692 | break; | |
0fe44629 | 693 | state->m_Regs[EB18] = (state->m_Regs[EB18] & ~0x03); /* AGC 1 Gain = 0 */ |
469ffe08 MCC |
694 | status = UpdateReg(state, EB18); |
695 | if (status < 0) | |
696 | break; | |
0fe44629 OE |
697 | state->m_Regs[EB21] = (state->m_Regs[EB21] & ~0x03); /* AGC 2 Gain = 0 (Datasheet = 3) */ |
698 | state->m_Regs[EB23] = (state->m_Regs[EB23] | 0x06); /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
469ffe08 MCC |
699 | status = UpdateRegs(state, EB21, EB23); |
700 | if (status < 0) | |
701 | break; | |
0fe44629 | 702 | } while (0); |
e8783950 RM |
703 | return status; |
704 | } | |
705 | ||
706 | static int CalcRFFilterCurve(struct tda_state *state) | |
707 | { | |
e8783950 | 708 | int status = 0; |
0fe44629 OE |
709 | do { |
710 | msleep(200); /* Temperature stabilisation */ | |
469ffe08 MCC |
711 | status = PowerScanInit(state); |
712 | if (status < 0) | |
713 | break; | |
714 | status = RFTrackingFiltersInit(state, 0); | |
715 | if (status < 0) | |
716 | break; | |
717 | status = RFTrackingFiltersInit(state, 1); | |
718 | if (status < 0) | |
719 | break; | |
720 | status = RFTrackingFiltersInit(state, 2); | |
721 | if (status < 0) | |
722 | break; | |
723 | status = RFTrackingFiltersInit(state, 3); | |
724 | if (status < 0) | |
725 | break; | |
726 | status = RFTrackingFiltersInit(state, 4); | |
727 | if (status < 0) | |
728 | break; | |
729 | status = RFTrackingFiltersInit(state, 5); | |
730 | if (status < 0) | |
731 | break; | |
732 | status = RFTrackingFiltersInit(state, 6); | |
733 | if (status < 0) | |
734 | break; | |
735 | status = ThermometerRead(state, &state->m_TMValue_RFCal); /* also switches off Cal mode !!! */ | |
736 | if (status < 0) | |
737 | break; | |
0fe44629 | 738 | } while (0); |
e8783950 RM |
739 | |
740 | return status; | |
741 | } | |
742 | ||
743 | static int FixedContentsI2CUpdate(struct tda_state *state) | |
744 | { | |
745 | static u8 InitRegs[] = { | |
0fe44629 OE |
746 | 0x08, 0x80, 0xC6, |
747 | 0xDF, 0x16, 0x60, 0x80, | |
748 | 0x80, 0x00, 0x00, 0x00, | |
749 | 0x00, 0x00, 0x00, 0x00, | |
750 | 0xFC, 0x01, 0x84, 0x41, | |
751 | 0x01, 0x84, 0x40, 0x07, | |
752 | 0x00, 0x00, 0x96, 0x3F, | |
753 | 0xC1, 0x00, 0x8F, 0x00, | |
754 | 0x00, 0x8C, 0x00, 0x20, | |
755 | 0xB3, 0x48, 0xB0, | |
e8783950 RM |
756 | }; |
757 | int status = 0; | |
0fe44629 | 758 | memcpy(&state->m_Regs[TM], InitRegs, EB23 - TM + 1); |
e8783950 | 759 | do { |
469ffe08 MCC |
760 | status = UpdateRegs(state, TM, EB23); |
761 | if (status < 0) | |
762 | break; | |
e8783950 | 763 | |
0fe44629 | 764 | /* AGC1 gain setup */ |
e8783950 | 765 | state->m_Regs[EB17] = 0x00; |
469ffe08 MCC |
766 | status = UpdateReg(state, EB17); |
767 | if (status < 0) | |
768 | break; | |
e8783950 | 769 | state->m_Regs[EB17] = 0x03; |
469ffe08 MCC |
770 | status = UpdateReg(state, EB17); |
771 | if (status < 0) | |
772 | break; | |
e8783950 | 773 | state->m_Regs[EB17] = 0x43; |
469ffe08 MCC |
774 | status = UpdateReg(state, EB17); |
775 | if (status < 0) | |
776 | break; | |
e8783950 | 777 | state->m_Regs[EB17] = 0x4C; |
469ffe08 MCC |
778 | status = UpdateReg(state, EB17); |
779 | if (status < 0) | |
780 | break; | |
e8783950 | 781 | |
0fe44629 | 782 | /* IRC Cal Low band */ |
e8783950 RM |
783 | state->m_Regs[EP3] = 0x1F; |
784 | state->m_Regs[EP4] = 0x66; | |
785 | state->m_Regs[EP5] = 0x81; | |
786 | state->m_Regs[CPD] = 0xCC; | |
787 | state->m_Regs[CD1] = 0x6C; | |
788 | state->m_Regs[CD2] = 0x00; | |
789 | state->m_Regs[CD3] = 0x00; | |
790 | state->m_Regs[MPD] = 0xC5; | |
791 | state->m_Regs[MD1] = 0x77; | |
792 | state->m_Regs[MD2] = 0x08; | |
793 | state->m_Regs[MD3] = 0x00; | |
469ffe08 MCC |
794 | status = UpdateRegs(state, EP2, MD3); /* diff between sw and datasheet (ep3-md3) */ |
795 | if (status < 0) | |
796 | break; | |
e8783950 | 797 | |
0fe44629 OE |
798 | #if 0 |
799 | state->m_Regs[EB4] = 0x61; /* missing in sw */ | |
469ffe08 MCC |
800 | status = UpdateReg(state, EB4); |
801 | if (status < 0) | |
802 | break; | |
0fe44629 OE |
803 | msleep(1); |
804 | state->m_Regs[EB4] = 0x41; | |
469ffe08 MCC |
805 | status = UpdateReg(state, EB4); |
806 | if (status < 0) | |
807 | break; | |
0fe44629 | 808 | #endif |
e8783950 RM |
809 | |
810 | msleep(5); | |
469ffe08 MCC |
811 | status = UpdateReg(state, EP1); |
812 | if (status < 0) | |
813 | break; | |
e8783950 RM |
814 | msleep(5); |
815 | ||
816 | state->m_Regs[EP5] = 0x85; | |
817 | state->m_Regs[CPD] = 0xCB; | |
818 | state->m_Regs[CD1] = 0x66; | |
819 | state->m_Regs[CD2] = 0x70; | |
469ffe08 MCC |
820 | status = UpdateRegs(state, EP3, CD3); |
821 | if (status < 0) | |
822 | break; | |
e8783950 | 823 | msleep(5); |
469ffe08 MCC |
824 | status = UpdateReg(state, EP2); |
825 | if (status < 0) | |
826 | break; | |
e8783950 RM |
827 | msleep(30); |
828 | ||
0fe44629 | 829 | /* IRC Cal mid band */ |
e8783950 RM |
830 | state->m_Regs[EP5] = 0x82; |
831 | state->m_Regs[CPD] = 0xA8; | |
832 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 833 | state->m_Regs[MPD] = 0xA1; /* Datasheet = 0xA9 */ |
e8783950 RM |
834 | state->m_Regs[MD1] = 0x73; |
835 | state->m_Regs[MD2] = 0x1A; | |
469ffe08 MCC |
836 | status = UpdateRegs(state, EP3, MD3); |
837 | if (status < 0) | |
838 | break; | |
e8783950 RM |
839 | |
840 | msleep(5); | |
469ffe08 MCC |
841 | status = UpdateReg(state, EP1); |
842 | if (status < 0) | |
843 | break; | |
e8783950 RM |
844 | msleep(5); |
845 | ||
846 | state->m_Regs[EP5] = 0x86; | |
847 | state->m_Regs[CPD] = 0xA8; | |
848 | state->m_Regs[CD1] = 0x66; | |
849 | state->m_Regs[CD2] = 0xA0; | |
469ffe08 MCC |
850 | status = UpdateRegs(state, EP3, CD3); |
851 | if (status < 0) | |
852 | break; | |
e8783950 | 853 | msleep(5); |
469ffe08 MCC |
854 | status = UpdateReg(state, EP2); |
855 | if (status < 0) | |
856 | break; | |
e8783950 RM |
857 | msleep(30); |
858 | ||
0fe44629 | 859 | /* IRC Cal high band */ |
e8783950 RM |
860 | state->m_Regs[EP5] = 0x83; |
861 | state->m_Regs[CPD] = 0x98; | |
862 | state->m_Regs[CD1] = 0x65; | |
863 | state->m_Regs[CD2] = 0x00; | |
0fe44629 | 864 | state->m_Regs[MPD] = 0x91; /* Datasheet = 0x91 */ |
e8783950 RM |
865 | state->m_Regs[MD1] = 0x71; |
866 | state->m_Regs[MD2] = 0xCD; | |
469ffe08 MCC |
867 | status = UpdateRegs(state, EP3, MD3); |
868 | if (status < 0) | |
869 | break; | |
e8783950 | 870 | msleep(5); |
469ffe08 MCC |
871 | status = UpdateReg(state, EP1); |
872 | if (status < 0) | |
873 | break; | |
e8783950 RM |
874 | msleep(5); |
875 | state->m_Regs[EP5] = 0x87; | |
876 | state->m_Regs[CD1] = 0x65; | |
877 | state->m_Regs[CD2] = 0x50; | |
469ffe08 MCC |
878 | status = UpdateRegs(state, EP3, CD3); |
879 | if (status < 0) | |
880 | break; | |
e8783950 | 881 | msleep(5); |
469ffe08 MCC |
882 | status = UpdateReg(state, EP2); |
883 | if (status < 0) | |
884 | break; | |
e8783950 RM |
885 | msleep(30); |
886 | ||
0fe44629 | 887 | /* Back to normal */ |
e8783950 | 888 | state->m_Regs[EP4] = 0x64; |
469ffe08 MCC |
889 | status = UpdateReg(state, EP4); |
890 | if (status < 0) | |
891 | break; | |
892 | status = UpdateReg(state, EP1); | |
893 | if (status < 0) | |
894 | break; | |
e8783950 | 895 | |
0fe44629 | 896 | } while (0); |
e8783950 RM |
897 | return status; |
898 | } | |
899 | ||
900 | static int InitCal(struct tda_state *state) | |
901 | { | |
902 | int status = 0; | |
903 | ||
0fe44629 | 904 | do { |
469ffe08 MCC |
905 | status = FixedContentsI2CUpdate(state); |
906 | if (status < 0) | |
907 | break; | |
908 | status = CalcRFFilterCurve(state); | |
909 | if (status < 0) | |
910 | break; | |
911 | status = StandBy(state); | |
912 | if (status < 0) | |
913 | break; | |
0fe44629 OE |
914 | /* m_bInitDone = true; */ |
915 | } while (0); | |
e8783950 RM |
916 | return status; |
917 | }; | |
918 | ||
919 | static int RFTrackingFiltersCorrection(struct tda_state *state, | |
920 | u32 Frequency) | |
921 | { | |
922 | int status = 0; | |
923 | s32 Cprog_table; | |
924 | u8 RFBand; | |
925 | u8 dCoverdT; | |
926 | ||
0fe44629 OE |
927 | if (!SearchMap2(m_RF_Cal_Map, Frequency, &Cprog_table) || |
928 | !SearchMap4(m_RF_Band_Map, Frequency, &RFBand) || | |
929 | !SearchMap1(m_RF_Cal_DC_Over_DT_Map, Frequency, &dCoverdT)) | |
930 | ||
e8783950 | 931 | return -EINVAL; |
e8783950 | 932 | |
0fe44629 | 933 | do { |
e8783950 RM |
934 | u8 TMValue_Current; |
935 | u32 RF1 = state->m_RF1[RFBand]; | |
936 | u32 RF2 = state->m_RF1[RFBand]; | |
937 | u32 RF3 = state->m_RF1[RFBand]; | |
938 | s32 RF_A1 = state->m_RF_A1[RFBand]; | |
939 | s32 RF_B1 = state->m_RF_B1[RFBand]; | |
940 | s32 RF_A2 = state->m_RF_A2[RFBand]; | |
941 | s32 RF_B2 = state->m_RF_B2[RFBand]; | |
942 | s32 Capprox = 0; | |
943 | int TComp; | |
944 | ||
0fe44629 | 945 | state->m_Regs[EP3] &= ~0xE0; /* Power up */ |
469ffe08 MCC |
946 | status = UpdateReg(state, EP3); |
947 | if (status < 0) | |
948 | break; | |
e8783950 | 949 | |
469ffe08 MCC |
950 | status = ThermometerRead(state, &TMValue_Current); |
951 | if (status < 0) | |
952 | break; | |
e8783950 | 953 | |
0fe44629 | 954 | if (RF3 == 0 || Frequency < RF2) |
e8783950 | 955 | Capprox = RF_A1 * ((s32)(Frequency) - (s32)(RF1)) + RF_B1 + Cprog_table; |
e8783950 | 956 | else |
e8783950 | 957 | Capprox = RF_A2 * ((s32)(Frequency) - (s32)(RF2)) + RF_B2 + Cprog_table; |
e8783950 RM |
958 | |
959 | TComp = (int)(dCoverdT) * ((int)(TMValue_Current) - (int)(state->m_TMValue_RFCal))/1000; | |
960 | ||
961 | Capprox += TComp; | |
962 | ||
0fe44629 OE |
963 | if (Capprox < 0) |
964 | Capprox = 0; | |
965 | else if (Capprox > 255) | |
966 | Capprox = 255; | |
e8783950 RM |
967 | |
968 | ||
0fe44629 OE |
969 | /* TODO Temperature compensation. There is defenitely a scale factor */ |
970 | /* missing in the datasheet, so leave it out for now. */ | |
971 | state->m_Regs[EB14] = Capprox; | |
e8783950 | 972 | |
469ffe08 MCC |
973 | status = UpdateReg(state, EB14); |
974 | if (status < 0) | |
975 | break; | |
e8783950 | 976 | |
0fe44629 | 977 | } while (0); |
e8783950 RM |
978 | return status; |
979 | } | |
980 | ||
981 | static int ChannelConfiguration(struct tda_state *state, | |
982 | u32 Frequency, int Standard) | |
983 | { | |
984 | ||
985 | s32 IntermediateFrequency = m_StandardTable[Standard].m_IFFrequency; | |
986 | int status = 0; | |
987 | ||
988 | u8 BP_Filter = 0; | |
989 | u8 RF_Band = 0; | |
990 | u8 GainTaper = 0; | |
ea90f011 | 991 | u8 IR_Meas = 0; |
e8783950 | 992 | |
0fe44629 OE |
993 | state->IF = IntermediateFrequency; |
994 | /* printk("%s Freq = %d Standard = %d IF = %d\n", __func__, Frequency, Standard, IntermediateFrequency); */ | |
995 | /* get values from tables */ | |
e8783950 | 996 | |
0fe44629 OE |
997 | if (!(SearchMap1(m_BP_Filter_Map, Frequency, &BP_Filter) && |
998 | SearchMap1(m_GainTaper_Map, Frequency, &GainTaper) && | |
999 | SearchMap1(m_IR_Meas_Map, Frequency, &IR_Meas) && | |
1000 | SearchMap4(m_RF_Band_Map, Frequency, &RF_Band))) { | |
1001 | ||
1002 | printk(KERN_ERR "%s SearchMap failed\n", __func__); | |
e8783950 RM |
1003 | return -EINVAL; |
1004 | } | |
1005 | ||
0fe44629 | 1006 | do { |
e8783950 | 1007 | state->m_Regs[EP3] = (state->m_Regs[EP3] & ~0x1F) | m_StandardTable[Standard].m_EP3_4_0; |
0fe44629 OE |
1008 | state->m_Regs[EP3] &= ~0x04; /* switch RFAGC to high speed mode */ |
1009 | ||
1010 | /* m_EP4 default for XToutOn, CAL_Mode (0) */ | |
1011 | state->m_Regs[EP4] = state->m_EP4 | ((Standard > HF_AnalogMax) ? state->m_IFLevelDigital : state->m_IFLevelAnalog); | |
1012 | /* state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; */ | |
1013 | if (Standard <= HF_AnalogMax) | |
1014 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelAnalog; | |
1015 | else if (Standard <= HF_ATSC) | |
1016 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBT; | |
1017 | else if (Standard <= HF_DVBC) | |
1018 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDVBC; | |
1019 | else | |
1020 | state->m_Regs[EP4] = state->m_EP4 | state->m_IFLevelDigital; | |
e8783950 | 1021 | |
0fe44629 OE |
1022 | if ((Standard == HF_FM_Radio) && state->m_bFMInput) |
1023 | state->m_Regs[EP4] |= 80; | |
e8783950 RM |
1024 | |
1025 | state->m_Regs[MPD] &= ~0x80; | |
0fe44629 OE |
1026 | if (Standard > HF_AnalogMax) |
1027 | state->m_Regs[MPD] |= 0x80; /* Add IF_notch for digital */ | |
e8783950 RM |
1028 | |
1029 | state->m_Regs[EB22] = m_StandardTable[Standard].m_EB22; | |
1030 | ||
0fe44629 OE |
1031 | /* Note: This is missing from flowchart in TDA18271 specification ( 1.5 MHz cutoff for FM ) */ |
1032 | if (Standard == HF_FM_Radio) | |
1033 | state->m_Regs[EB23] |= 0x06; /* ForceLP_Fc2_En = 1, LPFc[2] = 1 */ | |
1034 | else | |
1035 | state->m_Regs[EB23] &= ~0x06; /* ForceLP_Fc2_En = 0, LPFc[2] = 0 */ | |
e8783950 | 1036 | |
469ffe08 MCC |
1037 | status = UpdateRegs(state, EB22, EB23); |
1038 | if (status < 0) | |
1039 | break; | |
e8783950 | 1040 | |
0fe44629 | 1041 | state->m_Regs[EP1] = (state->m_Regs[EP1] & ~0x07) | 0x40 | BP_Filter; /* Dis_Power_level = 1, Filter */ |
e8783950 RM |
1042 | state->m_Regs[EP5] = (state->m_Regs[EP5] & ~0x07) | IR_Meas; |
1043 | state->m_Regs[EP2] = (RF_Band << 5) | GainTaper; | |
1044 | ||
1045 | state->m_Regs[EB1] = (state->m_Regs[EB1] & ~0x07) | | |
0fe44629 OE |
1046 | (state->m_bMaster ? 0x04 : 0x00); /* CALVCO_FortLOn = MS */ |
1047 | /* AGC1_always_master = 0 */ | |
1048 | /* AGC_firstn = 0 */ | |
469ffe08 MCC |
1049 | status = UpdateReg(state, EB1); |
1050 | if (status < 0) | |
1051 | break; | |
0fe44629 OE |
1052 | |
1053 | if (state->m_bMaster) { | |
469ffe08 MCC |
1054 | status = CalcMainPLL(state, Frequency + IntermediateFrequency); |
1055 | if (status < 0) | |
1056 | break; | |
1057 | status = UpdateRegs(state, TM, EP5); | |
1058 | if (status < 0) | |
1059 | break; | |
0fe44629 | 1060 | state->m_Regs[EB4] |= 0x20; /* LO_forceSrce = 1 */ |
469ffe08 MCC |
1061 | status = UpdateReg(state, EB4); |
1062 | if (status < 0) | |
1063 | break; | |
e8783950 | 1064 | msleep(1); |
0fe44629 | 1065 | state->m_Regs[EB4] &= ~0x20; /* LO_forceSrce = 0 */ |
469ffe08 MCC |
1066 | status = UpdateReg(state, EB4); |
1067 | if (status < 0) | |
1068 | break; | |
0fe44629 | 1069 | } else { |
ea90f011 | 1070 | u8 PostDiv = 0; |
e8783950 | 1071 | u8 Div; |
469ffe08 MCC |
1072 | status = CalcCalPLL(state, Frequency + IntermediateFrequency); |
1073 | if (status < 0) | |
1074 | break; | |
e8783950 | 1075 | |
0fe44629 | 1076 | SearchMap3(m_Cal_PLL_Map, Frequency + IntermediateFrequency, &PostDiv, &Div); |
e8783950 | 1077 | state->m_Regs[MPD] = (state->m_Regs[MPD] & ~0x7F) | (PostDiv & 0x77); |
469ffe08 MCC |
1078 | status = UpdateReg(state, MPD); |
1079 | if (status < 0) | |
1080 | break; | |
1081 | status = UpdateRegs(state, TM, EP5); | |
1082 | if (status < 0) | |
1083 | break; | |
e8783950 | 1084 | |
0fe44629 | 1085 | state->m_Regs[EB7] |= 0x20; /* CAL_forceSrce = 1 */ |
469ffe08 MCC |
1086 | status = UpdateReg(state, EB7); |
1087 | if (status < 0) | |
1088 | break; | |
e8783950 | 1089 | msleep(1); |
0fe44629 | 1090 | state->m_Regs[EB7] &= ~0x20; /* CAL_forceSrce = 0 */ |
469ffe08 MCC |
1091 | status = UpdateReg(state, EB7); |
1092 | if (status < 0) | |
1093 | break; | |
e8783950 RM |
1094 | } |
1095 | msleep(20); | |
0fe44629 OE |
1096 | if (Standard != HF_FM_Radio) |
1097 | state->m_Regs[EP3] |= 0x04; /* RFAGC to normal mode */ | |
469ffe08 MCC |
1098 | status = UpdateReg(state, EP3); |
1099 | if (status < 0) | |
1100 | break; | |
e8783950 | 1101 | |
0fe44629 | 1102 | } while (0); |
e8783950 RM |
1103 | return status; |
1104 | } | |
1105 | ||
0fe44629 | 1106 | static int sleep(struct dvb_frontend *fe) |
e8783950 RM |
1107 | { |
1108 | struct tda_state *state = fe->tuner_priv; | |
1109 | ||
1110 | StandBy(state); | |
1111 | return 0; | |
1112 | } | |
1113 | ||
0fe44629 | 1114 | static int init(struct dvb_frontend *fe) |
e8783950 | 1115 | { |
e8783950 RM |
1116 | return 0; |
1117 | } | |
1118 | ||
0fe44629 | 1119 | static int release(struct dvb_frontend *fe) |
e8783950 RM |
1120 | { |
1121 | kfree(fe->tuner_priv); | |
1122 | fe->tuner_priv = NULL; | |
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | static int set_params(struct dvb_frontend *fe, | |
1127 | struct dvb_frontend_parameters *params) | |
1128 | { | |
1129 | struct tda_state *state = fe->tuner_priv; | |
1130 | int status = 0; | |
1131 | int Standard; | |
1132 | ||
1133 | state->m_Frequency = params->frequency; | |
1134 | ||
1135 | if (fe->ops.info.type == FE_OFDM) | |
1136 | switch (params->u.ofdm.bandwidth) { | |
1137 | case BANDWIDTH_6_MHZ: | |
1138 | Standard = HF_DVBT_6MHZ; | |
1139 | break; | |
1140 | case BANDWIDTH_7_MHZ: | |
1141 | Standard = HF_DVBT_7MHZ; | |
1142 | break; | |
1143 | default: | |
1144 | case BANDWIDTH_8_MHZ: | |
1145 | Standard = HF_DVBT_8MHZ; | |
1146 | break; | |
1147 | } | |
1148 | else if (fe->ops.info.type == FE_QAM) { | |
1149 | Standard = HF_DVBC_8MHZ; | |
1150 | } else | |
1151 | return -EINVAL; | |
1152 | do { | |
469ffe08 MCC |
1153 | status = RFTrackingFiltersCorrection(state, params->frequency); |
1154 | if (status < 0) | |
1155 | break; | |
1156 | status = ChannelConfiguration(state, params->frequency, Standard); | |
1157 | if (status < 0) | |
1158 | break; | |
e8783950 | 1159 | |
0fe44629 OE |
1160 | msleep(state->m_SettlingTime); /* Allow AGC's to settle down */ |
1161 | } while (0); | |
e8783950 RM |
1162 | return status; |
1163 | } | |
1164 | ||
1165 | #if 0 | |
0fe44629 | 1166 | static int GetSignalStrength(s32 *pSignalStrength, u32 RFAgc, u32 IFAgc) |
e8783950 | 1167 | { |
0fe44629 OE |
1168 | if (IFAgc < 500) { |
1169 | /* Scale this from 0 to 50000 */ | |
e8783950 RM |
1170 | *pSignalStrength = IFAgc * 100; |
1171 | } else { | |
0fe44629 | 1172 | /* Scale range 500-1500 to 50000-80000 */ |
e8783950 RM |
1173 | *pSignalStrength = 50000 + (IFAgc - 500) * 30; |
1174 | } | |
1175 | ||
1176 | return 0; | |
1177 | } | |
1178 | #endif | |
1179 | ||
1180 | static int get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1181 | { | |
1182 | struct tda_state *state = fe->tuner_priv; | |
1183 | ||
1184 | *frequency = state->IF; | |
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | static int get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1189 | { | |
0fe44629 OE |
1190 | /* struct tda_state *state = fe->tuner_priv; */ |
1191 | /* *bandwidth = priv->bandwidth; */ | |
e8783950 RM |
1192 | return 0; |
1193 | } | |
1194 | ||
1195 | ||
1196 | static struct dvb_tuner_ops tuner_ops = { | |
1197 | .info = { | |
1198 | .name = "NXP TDA18271C2D", | |
1199 | .frequency_min = 47125000, | |
1200 | .frequency_max = 865000000, | |
1201 | .frequency_step = 62500 | |
1202 | }, | |
1203 | .init = init, | |
1204 | .sleep = sleep, | |
1205 | .set_params = set_params, | |
1206 | .release = release, | |
1207 | .get_frequency = get_frequency, | |
1208 | .get_bandwidth = get_bandwidth, | |
1209 | }; | |
1210 | ||
1211 | struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe, | |
1212 | struct i2c_adapter *i2c, u8 adr) | |
1213 | { | |
1214 | struct tda_state *state; | |
1215 | ||
1216 | state = kzalloc(sizeof(struct tda_state), GFP_KERNEL); | |
1217 | if (!state) | |
1218 | return NULL; | |
1219 | ||
1220 | fe->tuner_priv = state; | |
1221 | state->adr = adr; | |
1222 | state->i2c = i2c; | |
1223 | memcpy(&fe->ops.tuner_ops, &tuner_ops, sizeof(struct dvb_tuner_ops)); | |
1224 | reset(state); | |
1225 | InitCal(state); | |
1226 | ||
1227 | return fe; | |
1228 | } | |
e8783950 | 1229 | EXPORT_SYMBOL_GPL(tda18271c2dd_attach); |
0fe44629 | 1230 | |
e8783950 RM |
1231 | MODULE_DESCRIPTION("TDA18271C2 driver"); |
1232 | MODULE_AUTHOR("DD"); | |
1233 | MODULE_LICENSE("GPL"); |