Commit | Line | Data |
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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
b63b36fa FR |
2 | /* |
3 | * Support for LGDT3306A - 8VSB/QAM-B | |
4 | * | |
5 | * Copyright (C) 2013 Fred Richter <frichter@hauppauge.com> | |
6 | * - driver structure based on lgdt3305.[ch] by Michael Krufky | |
7 | * - code based on LG3306_V0.35 API by LG Electronics Inc. | |
b63b36fa FR |
8 | */ |
9 | ||
097117ca MCC |
10 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
11 | ||
b63b36fa | 12 | #include <asm/div64.h> |
1f679ff6 | 13 | #include <linux/kernel.h> |
b63b36fa | 14 | #include <linux/dvb/frontend.h> |
fada1935 | 15 | #include <media/dvb_math.h> |
b63b36fa | 16 | #include "lgdt3306a.h" |
4f751890 | 17 | #include <linux/i2c-mux.h> |
b63b36fa FR |
18 | |
19 | ||
20 | static int debug; | |
21 | module_param(debug, int, 0644); | |
22 | MODULE_PARM_DESC(debug, "set debug level (info=1, reg=2 (or-able))"); | |
23 | ||
4966c0c5 BL |
24 | /* |
25 | * Older drivers treated QAM64 and QAM256 the same; that is the HW always | |
26 | * used "Auto" mode during detection. Setting "forced_manual"=1 allows | |
27 | * the user to treat these modes as separate. For backwards compatibility, | |
28 | * it's off by default. QAM_AUTO can now be specified to achive that | |
29 | * effect even if "forced_manual"=1 | |
30 | */ | |
31 | static int forced_manual; | |
32 | module_param(forced_manual, int, 0644); | |
33 | MODULE_PARM_DESC(forced_manual, "if set, QAM64 and QAM256 will only lock to modulation specified"); | |
34 | ||
b63b36fa FR |
35 | #define DBG_INFO 1 |
36 | #define DBG_REG 2 | |
8e8cd34e | 37 | #define DBG_DUMP 4 /* FGR - comment out to remove dump code */ |
b63b36fa | 38 | |
097117ca MCC |
39 | #define lg_debug(fmt, arg...) \ |
40 | printk(KERN_DEBUG pr_fmt(fmt), ## arg) | |
41 | ||
42 | #define dbg_info(fmt, arg...) \ | |
43 | do { \ | |
44 | if (debug & DBG_INFO) \ | |
45 | lg_debug(fmt, ## arg); \ | |
46 | } while (0) | |
b63b36fa | 47 | |
097117ca MCC |
48 | #define dbg_reg(fmt, arg...) \ |
49 | do { \ | |
50 | if (debug & DBG_REG) \ | |
51 | lg_debug(fmt, ## arg); \ | |
52 | } while (0) | |
b63b36fa FR |
53 | |
54 | #define lg_chkerr(ret) \ | |
55 | ({ \ | |
56 | int __ret; \ | |
57 | __ret = (ret < 0); \ | |
58 | if (__ret) \ | |
097117ca | 59 | pr_err("error %d on line %d\n", ret, __LINE__); \ |
b63b36fa FR |
60 | __ret; \ |
61 | }) | |
62 | ||
63 | struct lgdt3306a_state { | |
64 | struct i2c_adapter *i2c_adap; | |
65 | const struct lgdt3306a_config *cfg; | |
66 | ||
67 | struct dvb_frontend frontend; | |
68 | ||
0df289a2 | 69 | enum fe_modulation current_modulation; |
b63b36fa FR |
70 | u32 current_frequency; |
71 | u32 snr; | |
4f751890 KC |
72 | |
73 | struct i2c_mux_core *muxc; | |
b63b36fa FR |
74 | }; |
75 | ||
95f22c5a MCC |
76 | /* |
77 | * LG3306A Register Usage | |
78 | * (LG does not really name the registers, so this code does not either) | |
79 | * | |
80 | * 0000 -> 00FF Common control and status | |
81 | * 1000 -> 10FF Synchronizer control and status | |
82 | * 1F00 -> 1FFF Smart Antenna control and status | |
83 | * 2100 -> 21FF VSB Equalizer control and status | |
84 | * 2800 -> 28FF QAM Equalizer control and status | |
85 | * 3000 -> 30FF FEC control and status | |
86 | */ | |
b63b36fa | 87 | |
f883d603 MIK |
88 | enum lgdt3306a_lock_status { |
89 | LG3306_UNLOCK = 0x00, | |
90 | LG3306_LOCK = 0x01, | |
4937ba94 | 91 | LG3306_UNKNOWN_LOCK = 0xff |
f883d603 | 92 | }; |
b63b36fa | 93 | |
f883d603 | 94 | enum lgdt3306a_neverlock_status { |
b63b36fa FR |
95 | LG3306_NL_INIT = 0x00, |
96 | LG3306_NL_PROCESS = 0x01, | |
97 | LG3306_NL_LOCK = 0x02, | |
98 | LG3306_NL_FAIL = 0x03, | |
4937ba94 | 99 | LG3306_NL_UNKNOWN = 0xff |
f883d603 | 100 | }; |
b63b36fa | 101 | |
f883d603 MIK |
102 | enum lgdt3306a_modulation { |
103 | LG3306_VSB = 0x00, | |
104 | LG3306_QAM64 = 0x01, | |
105 | LG3306_QAM256 = 0x02, | |
4937ba94 | 106 | LG3306_UNKNOWN_MODE = 0xff |
f883d603 | 107 | }; |
b63b36fa | 108 | |
f883d603 | 109 | enum lgdt3306a_lock_check { |
b63b36fa FR |
110 | LG3306_SYNC_LOCK, |
111 | LG3306_FEC_LOCK, | |
112 | LG3306_TR_LOCK, | |
113 | LG3306_AGC_LOCK, | |
f883d603 | 114 | }; |
b63b36fa FR |
115 | |
116 | ||
117 | #ifdef DBG_DUMP | |
118 | static void lgdt3306a_DumpAllRegs(struct lgdt3306a_state *state); | |
119 | static void lgdt3306a_DumpRegs(struct lgdt3306a_state *state); | |
120 | #endif | |
121 | ||
122 | ||
123 | static int lgdt3306a_write_reg(struct lgdt3306a_state *state, u16 reg, u8 val) | |
124 | { | |
125 | int ret; | |
126 | u8 buf[] = { reg >> 8, reg & 0xff, val }; | |
127 | struct i2c_msg msg = { | |
128 | .addr = state->cfg->i2c_addr, .flags = 0, | |
129 | .buf = buf, .len = 3, | |
130 | }; | |
131 | ||
097117ca | 132 | dbg_reg("reg: 0x%04x, val: 0x%02x\n", reg, val); |
b63b36fa FR |
133 | |
134 | ret = i2c_transfer(state->i2c_adap, &msg, 1); | |
135 | ||
136 | if (ret != 1) { | |
097117ca | 137 | pr_err("error (addr %02x %02x <- %02x, err = %i)\n", |
b63b36fa FR |
138 | msg.buf[0], msg.buf[1], msg.buf[2], ret); |
139 | if (ret < 0) | |
140 | return ret; | |
141 | else | |
142 | return -EREMOTEIO; | |
143 | } | |
144 | return 0; | |
145 | } | |
146 | ||
147 | static int lgdt3306a_read_reg(struct lgdt3306a_state *state, u16 reg, u8 *val) | |
148 | { | |
149 | int ret; | |
150 | u8 reg_buf[] = { reg >> 8, reg & 0xff }; | |
151 | struct i2c_msg msg[] = { | |
152 | { .addr = state->cfg->i2c_addr, | |
153 | .flags = 0, .buf = reg_buf, .len = 2 }, | |
154 | { .addr = state->cfg->i2c_addr, | |
155 | .flags = I2C_M_RD, .buf = val, .len = 1 }, | |
156 | }; | |
157 | ||
158 | ret = i2c_transfer(state->i2c_adap, msg, 2); | |
159 | ||
160 | if (ret != 2) { | |
097117ca | 161 | pr_err("error (addr %02x reg %04x error (ret == %i)\n", |
b63b36fa FR |
162 | state->cfg->i2c_addr, reg, ret); |
163 | if (ret < 0) | |
164 | return ret; | |
165 | else | |
166 | return -EREMOTEIO; | |
167 | } | |
097117ca | 168 | dbg_reg("reg: 0x%04x, val: 0x%02x\n", reg, *val); |
b63b36fa FR |
169 | |
170 | return 0; | |
171 | } | |
172 | ||
173 | #define read_reg(state, reg) \ | |
174 | ({ \ | |
175 | u8 __val; \ | |
176 | int ret = lgdt3306a_read_reg(state, reg, &__val); \ | |
177 | if (lg_chkerr(ret)) \ | |
178 | __val = 0; \ | |
179 | __val; \ | |
180 | }) | |
181 | ||
182 | static int lgdt3306a_set_reg_bit(struct lgdt3306a_state *state, | |
183 | u16 reg, int bit, int onoff) | |
184 | { | |
185 | u8 val; | |
186 | int ret; | |
187 | ||
097117ca | 188 | dbg_reg("reg: 0x%04x, bit: %d, level: %d\n", reg, bit, onoff); |
b63b36fa FR |
189 | |
190 | ret = lgdt3306a_read_reg(state, reg, &val); | |
191 | if (lg_chkerr(ret)) | |
192 | goto fail; | |
193 | ||
194 | val &= ~(1 << bit); | |
195 | val |= (onoff & 1) << bit; | |
196 | ||
197 | ret = lgdt3306a_write_reg(state, reg, val); | |
198 | lg_chkerr(ret); | |
199 | fail: | |
200 | return ret; | |
201 | } | |
202 | ||
203 | /* ------------------------------------------------------------------------ */ | |
204 | ||
205 | static int lgdt3306a_soft_reset(struct lgdt3306a_state *state) | |
206 | { | |
207 | int ret; | |
208 | ||
097117ca | 209 | dbg_info("\n"); |
b63b36fa FR |
210 | |
211 | ret = lgdt3306a_set_reg_bit(state, 0x0000, 7, 0); | |
212 | if (lg_chkerr(ret)) | |
213 | goto fail; | |
214 | ||
215 | msleep(20); | |
216 | ret = lgdt3306a_set_reg_bit(state, 0x0000, 7, 1); | |
217 | lg_chkerr(ret); | |
218 | ||
219 | fail: | |
220 | return ret; | |
221 | } | |
222 | ||
223 | static int lgdt3306a_mpeg_mode(struct lgdt3306a_state *state, | |
224 | enum lgdt3306a_mpeg_mode mode) | |
225 | { | |
226 | u8 val; | |
227 | int ret; | |
228 | ||
097117ca | 229 | dbg_info("(%d)\n", mode); |
534f4364 MCC |
230 | /* transport packet format - TPSENB=0x80 */ |
231 | ret = lgdt3306a_set_reg_bit(state, 0x0071, 7, | |
232 | mode == LGDT3306A_MPEG_PARALLEL ? 1 : 0); | |
b63b36fa FR |
233 | if (lg_chkerr(ret)) |
234 | goto fail; | |
235 | ||
534f4364 MCC |
236 | /* |
237 | * start of packet signal duration | |
238 | * TPSSOPBITEN=0x40; 0=byte duration, 1=bit duration | |
239 | */ | |
240 | ret = lgdt3306a_set_reg_bit(state, 0x0071, 6, 0); | |
b63b36fa FR |
241 | if (lg_chkerr(ret)) |
242 | goto fail; | |
243 | ||
244 | ret = lgdt3306a_read_reg(state, 0x0070, &val); | |
245 | if (lg_chkerr(ret)) | |
246 | goto fail; | |
247 | ||
8e8cd34e | 248 | val |= 0x10; /* TPCLKSUPB=0x10 */ |
b63b36fa | 249 | |
8e8cd34e | 250 | if (mode == LGDT3306A_MPEG_PARALLEL) |
b63b36fa FR |
251 | val &= ~0x10; |
252 | ||
253 | ret = lgdt3306a_write_reg(state, 0x0070, val); | |
254 | lg_chkerr(ret); | |
255 | ||
256 | fail: | |
257 | return ret; | |
258 | } | |
259 | ||
260 | static int lgdt3306a_mpeg_mode_polarity(struct lgdt3306a_state *state, | |
261 | enum lgdt3306a_tp_clock_edge edge, | |
262 | enum lgdt3306a_tp_valid_polarity valid) | |
263 | { | |
264 | u8 val; | |
265 | int ret; | |
266 | ||
097117ca | 267 | dbg_info("edge=%d, valid=%d\n", edge, valid); |
b63b36fa FR |
268 | |
269 | ret = lgdt3306a_read_reg(state, 0x0070, &val); | |
270 | if (lg_chkerr(ret)) | |
271 | goto fail; | |
272 | ||
8e8cd34e | 273 | val &= ~0x06; /* TPCLKPOL=0x04, TPVALPOL=0x02 */ |
b63b36fa | 274 | |
8e8cd34e | 275 | if (edge == LGDT3306A_TPCLK_RISING_EDGE) |
b63b36fa | 276 | val |= 0x04; |
8e8cd34e | 277 | if (valid == LGDT3306A_TP_VALID_HIGH) |
b63b36fa FR |
278 | val |= 0x02; |
279 | ||
280 | ret = lgdt3306a_write_reg(state, 0x0070, val); | |
281 | lg_chkerr(ret); | |
282 | ||
283 | fail: | |
284 | return ret; | |
285 | } | |
286 | ||
287 | static int lgdt3306a_mpeg_tristate(struct lgdt3306a_state *state, | |
288 | int mode) | |
289 | { | |
290 | u8 val; | |
291 | int ret; | |
292 | ||
097117ca | 293 | dbg_info("(%d)\n", mode); |
b63b36fa | 294 | |
8e8cd34e | 295 | if (mode) { |
b63b36fa FR |
296 | ret = lgdt3306a_read_reg(state, 0x0070, &val); |
297 | if (lg_chkerr(ret)) | |
298 | goto fail; | |
534f4364 MCC |
299 | /* |
300 | * Tristate bus; TPOUTEN=0x80, TPCLKOUTEN=0x20, | |
301 | * TPDATAOUTEN=0x08 | |
302 | */ | |
303 | val &= ~0xa8; | |
b63b36fa FR |
304 | ret = lgdt3306a_write_reg(state, 0x0070, val); |
305 | if (lg_chkerr(ret)) | |
306 | goto fail; | |
307 | ||
534f4364 MCC |
308 | /* AGCIFOUTENB=0x40; 1=Disable IFAGC pin */ |
309 | ret = lgdt3306a_set_reg_bit(state, 0x0003, 6, 1); | |
b63b36fa FR |
310 | if (lg_chkerr(ret)) |
311 | goto fail; | |
312 | ||
313 | } else { | |
534f4364 MCC |
314 | /* enable IFAGC pin */ |
315 | ret = lgdt3306a_set_reg_bit(state, 0x0003, 6, 0); | |
b63b36fa FR |
316 | if (lg_chkerr(ret)) |
317 | goto fail; | |
318 | ||
319 | ret = lgdt3306a_read_reg(state, 0x0070, &val); | |
320 | if (lg_chkerr(ret)) | |
321 | goto fail; | |
322 | ||
4937ba94 | 323 | val |= 0xa8; /* enable bus */ |
b63b36fa FR |
324 | ret = lgdt3306a_write_reg(state, 0x0070, val); |
325 | if (lg_chkerr(ret)) | |
326 | goto fail; | |
327 | } | |
328 | ||
329 | fail: | |
330 | return ret; | |
331 | } | |
332 | ||
8e8cd34e | 333 | static int lgdt3306a_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) |
b63b36fa FR |
334 | { |
335 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
336 | ||
097117ca | 337 | dbg_info("acquire=%d\n", acquire); |
b63b36fa FR |
338 | |
339 | return lgdt3306a_mpeg_tristate(state, acquire ? 0 : 1); | |
340 | ||
341 | } | |
342 | ||
343 | static int lgdt3306a_power(struct lgdt3306a_state *state, | |
344 | int mode) | |
345 | { | |
346 | int ret; | |
347 | ||
097117ca | 348 | dbg_info("(%d)\n", mode); |
b63b36fa | 349 | |
8e8cd34e | 350 | if (mode == 0) { |
534f4364 MCC |
351 | /* into reset */ |
352 | ret = lgdt3306a_set_reg_bit(state, 0x0000, 7, 0); | |
b63b36fa FR |
353 | if (lg_chkerr(ret)) |
354 | goto fail; | |
355 | ||
534f4364 MCC |
356 | /* power down */ |
357 | ret = lgdt3306a_set_reg_bit(state, 0x0000, 0, 0); | |
b63b36fa FR |
358 | if (lg_chkerr(ret)) |
359 | goto fail; | |
360 | ||
361 | } else { | |
534f4364 MCC |
362 | /* out of reset */ |
363 | ret = lgdt3306a_set_reg_bit(state, 0x0000, 7, 1); | |
b63b36fa FR |
364 | if (lg_chkerr(ret)) |
365 | goto fail; | |
366 | ||
534f4364 MCC |
367 | /* power up */ |
368 | ret = lgdt3306a_set_reg_bit(state, 0x0000, 0, 1); | |
b63b36fa FR |
369 | if (lg_chkerr(ret)) |
370 | goto fail; | |
371 | } | |
372 | ||
373 | #ifdef DBG_DUMP | |
374 | lgdt3306a_DumpAllRegs(state); | |
375 | #endif | |
376 | fail: | |
377 | return ret; | |
378 | } | |
379 | ||
380 | ||
381 | static int lgdt3306a_set_vsb(struct lgdt3306a_state *state) | |
382 | { | |
383 | u8 val; | |
384 | int ret; | |
385 | ||
097117ca | 386 | dbg_info("\n"); |
b63b36fa | 387 | |
8e8cd34e | 388 | /* 0. Spectrum inversion detection manual; spectrum inverted */ |
b63b36fa | 389 | ret = lgdt3306a_read_reg(state, 0x0002, &val); |
4937ba94 | 390 | val &= 0xf7; /* SPECINVAUTO Off */ |
8e8cd34e | 391 | val |= 0x04; /* SPECINV On */ |
b63b36fa FR |
392 | ret = lgdt3306a_write_reg(state, 0x0002, val); |
393 | if (lg_chkerr(ret)) | |
394 | goto fail; | |
395 | ||
8e8cd34e | 396 | /* 1. Selection of standard mode(0x08=QAM, 0x80=VSB) */ |
b63b36fa FR |
397 | ret = lgdt3306a_write_reg(state, 0x0008, 0x80); |
398 | if (lg_chkerr(ret)) | |
399 | goto fail; | |
400 | ||
8e8cd34e | 401 | /* 2. Bandwidth mode for VSB(6MHz) */ |
b63b36fa | 402 | ret = lgdt3306a_read_reg(state, 0x0009, &val); |
4937ba94 MCC |
403 | val &= 0xe3; |
404 | val |= 0x0c; /* STDOPDETTMODE[2:0]=3 */ | |
b63b36fa FR |
405 | ret = lgdt3306a_write_reg(state, 0x0009, val); |
406 | if (lg_chkerr(ret)) | |
407 | goto fail; | |
408 | ||
8e8cd34e | 409 | /* 3. QAM mode detection mode(None) */ |
b63b36fa | 410 | ret = lgdt3306a_read_reg(state, 0x0009, &val); |
4937ba94 | 411 | val &= 0xfc; /* STDOPDETCMODE[1:0]=0 */ |
b63b36fa FR |
412 | ret = lgdt3306a_write_reg(state, 0x0009, val); |
413 | if (lg_chkerr(ret)) | |
414 | goto fail; | |
415 | ||
8e8cd34e | 416 | /* 4. ADC sampling frequency rate(2x sampling) */ |
4937ba94 MCC |
417 | ret = lgdt3306a_read_reg(state, 0x000d, &val); |
418 | val &= 0xbf; /* SAMPLING4XFEN=0 */ | |
419 | ret = lgdt3306a_write_reg(state, 0x000d, val); | |
b63b36fa FR |
420 | if (lg_chkerr(ret)) |
421 | goto fail; | |
422 | ||
8e8cd34e MIK |
423 | #if 0 |
424 | /* FGR - disable any AICC filtering, testing only */ | |
425 | ||
b63b36fa FR |
426 | ret = lgdt3306a_write_reg(state, 0x0024, 0x00); |
427 | if (lg_chkerr(ret)) | |
428 | goto fail; | |
429 | ||
8e8cd34e | 430 | /* AICCFIXFREQ0 NT N-1(Video rejection) */ |
4937ba94 MCC |
431 | ret = lgdt3306a_write_reg(state, 0x002e, 0x00); |
432 | ret = lgdt3306a_write_reg(state, 0x002f, 0x00); | |
b63b36fa FR |
433 | ret = lgdt3306a_write_reg(state, 0x0030, 0x00); |
434 | ||
8e8cd34e | 435 | /* AICCFIXFREQ1 NT N-1(Audio rejection) */ |
4937ba94 MCC |
436 | ret = lgdt3306a_write_reg(state, 0x002b, 0x00); |
437 | ret = lgdt3306a_write_reg(state, 0x002c, 0x00); | |
438 | ret = lgdt3306a_write_reg(state, 0x002d, 0x00); | |
b63b36fa | 439 | |
8e8cd34e | 440 | /* AICCFIXFREQ2 NT Co-Channel(Video rejection) */ |
b63b36fa FR |
441 | ret = lgdt3306a_write_reg(state, 0x0028, 0x00); |
442 | ret = lgdt3306a_write_reg(state, 0x0029, 0x00); | |
4937ba94 | 443 | ret = lgdt3306a_write_reg(state, 0x002a, 0x00); |
b63b36fa | 444 | |
8e8cd34e | 445 | /* AICCFIXFREQ3 NT Co-Channel(Audio rejection) */ |
b63b36fa FR |
446 | ret = lgdt3306a_write_reg(state, 0x0025, 0x00); |
447 | ret = lgdt3306a_write_reg(state, 0x0026, 0x00); | |
448 | ret = lgdt3306a_write_reg(state, 0x0027, 0x00); | |
449 | ||
8e8cd34e MIK |
450 | #else |
451 | /* FGR - this works well for HVR-1955,1975 */ | |
452 | ||
453 | /* 5. AICCOPMODE NT N-1 Adj. */ | |
b63b36fa FR |
454 | ret = lgdt3306a_write_reg(state, 0x0024, 0x5A); |
455 | if (lg_chkerr(ret)) | |
456 | goto fail; | |
457 | ||
8e8cd34e | 458 | /* AICCFIXFREQ0 NT N-1(Video rejection) */ |
4937ba94 MCC |
459 | ret = lgdt3306a_write_reg(state, 0x002e, 0x5A); |
460 | ret = lgdt3306a_write_reg(state, 0x002f, 0x00); | |
b63b36fa FR |
461 | ret = lgdt3306a_write_reg(state, 0x0030, 0x00); |
462 | ||
8e8cd34e | 463 | /* AICCFIXFREQ1 NT N-1(Audio rejection) */ |
4937ba94 MCC |
464 | ret = lgdt3306a_write_reg(state, 0x002b, 0x36); |
465 | ret = lgdt3306a_write_reg(state, 0x002c, 0x00); | |
466 | ret = lgdt3306a_write_reg(state, 0x002d, 0x00); | |
b63b36fa | 467 | |
8e8cd34e | 468 | /* AICCFIXFREQ2 NT Co-Channel(Video rejection) */ |
b63b36fa FR |
469 | ret = lgdt3306a_write_reg(state, 0x0028, 0x2A); |
470 | ret = lgdt3306a_write_reg(state, 0x0029, 0x00); | |
4937ba94 | 471 | ret = lgdt3306a_write_reg(state, 0x002a, 0x00); |
b63b36fa | 472 | |
8e8cd34e | 473 | /* AICCFIXFREQ3 NT Co-Channel(Audio rejection) */ |
b63b36fa FR |
474 | ret = lgdt3306a_write_reg(state, 0x0025, 0x06); |
475 | ret = lgdt3306a_write_reg(state, 0x0026, 0x00); | |
476 | ret = lgdt3306a_write_reg(state, 0x0027, 0x00); | |
477 | #endif | |
478 | ||
4937ba94 MCC |
479 | ret = lgdt3306a_read_reg(state, 0x001e, &val); |
480 | val &= 0x0f; | |
481 | val |= 0xa0; | |
482 | ret = lgdt3306a_write_reg(state, 0x001e, val); | |
b63b36fa FR |
483 | |
484 | ret = lgdt3306a_write_reg(state, 0x0022, 0x08); | |
485 | ||
486 | ret = lgdt3306a_write_reg(state, 0x0023, 0xFF); | |
487 | ||
4937ba94 MCC |
488 | ret = lgdt3306a_read_reg(state, 0x211f, &val); |
489 | val &= 0xef; | |
490 | ret = lgdt3306a_write_reg(state, 0x211f, val); | |
b63b36fa FR |
491 | |
492 | ret = lgdt3306a_write_reg(state, 0x2173, 0x01); | |
493 | ||
494 | ret = lgdt3306a_read_reg(state, 0x1061, &val); | |
4937ba94 | 495 | val &= 0xf8; |
b63b36fa FR |
496 | val |= 0x04; |
497 | ret = lgdt3306a_write_reg(state, 0x1061, val); | |
498 | ||
4937ba94 MCC |
499 | ret = lgdt3306a_read_reg(state, 0x103d, &val); |
500 | val &= 0xcf; | |
501 | ret = lgdt3306a_write_reg(state, 0x103d, val); | |
b63b36fa FR |
502 | |
503 | ret = lgdt3306a_write_reg(state, 0x2122, 0x40); | |
504 | ||
505 | ret = lgdt3306a_read_reg(state, 0x2141, &val); | |
4937ba94 | 506 | val &= 0x3f; |
b63b36fa FR |
507 | ret = lgdt3306a_write_reg(state, 0x2141, val); |
508 | ||
509 | ret = lgdt3306a_read_reg(state, 0x2135, &val); | |
4937ba94 | 510 | val &= 0x0f; |
b63b36fa FR |
511 | val |= 0x70; |
512 | ret = lgdt3306a_write_reg(state, 0x2135, val); | |
513 | ||
514 | ret = lgdt3306a_read_reg(state, 0x0003, &val); | |
4937ba94 | 515 | val &= 0xf7; |
b63b36fa FR |
516 | ret = lgdt3306a_write_reg(state, 0x0003, val); |
517 | ||
4937ba94 MCC |
518 | ret = lgdt3306a_read_reg(state, 0x001c, &val); |
519 | val &= 0x7f; | |
520 | ret = lgdt3306a_write_reg(state, 0x001c, val); | |
b63b36fa | 521 | |
8e8cd34e | 522 | /* 6. EQ step size */ |
b63b36fa | 523 | ret = lgdt3306a_read_reg(state, 0x2179, &val); |
4937ba94 | 524 | val &= 0xf8; |
b63b36fa FR |
525 | ret = lgdt3306a_write_reg(state, 0x2179, val); |
526 | ||
4937ba94 MCC |
527 | ret = lgdt3306a_read_reg(state, 0x217a, &val); |
528 | val &= 0xf8; | |
529 | ret = lgdt3306a_write_reg(state, 0x217a, val); | |
b63b36fa | 530 | |
8e8cd34e | 531 | /* 7. Reset */ |
b63b36fa FR |
532 | ret = lgdt3306a_soft_reset(state); |
533 | if (lg_chkerr(ret)) | |
534 | goto fail; | |
535 | ||
097117ca | 536 | dbg_info("complete\n"); |
b63b36fa FR |
537 | fail: |
538 | return ret; | |
539 | } | |
540 | ||
541 | static int lgdt3306a_set_qam(struct lgdt3306a_state *state, int modulation) | |
542 | { | |
543 | u8 val; | |
544 | int ret; | |
545 | ||
097117ca | 546 | dbg_info("modulation=%d\n", modulation); |
b63b36fa | 547 | |
8e8cd34e | 548 | /* 1. Selection of standard mode(0x08=QAM, 0x80=VSB) */ |
b63b36fa FR |
549 | ret = lgdt3306a_write_reg(state, 0x0008, 0x08); |
550 | if (lg_chkerr(ret)) | |
551 | goto fail; | |
552 | ||
8e8cd34e | 553 | /* 1a. Spectrum inversion detection to Auto */ |
b63b36fa | 554 | ret = lgdt3306a_read_reg(state, 0x0002, &val); |
4937ba94 | 555 | val &= 0xfb; /* SPECINV Off */ |
8e8cd34e | 556 | val |= 0x08; /* SPECINVAUTO On */ |
b63b36fa FR |
557 | ret = lgdt3306a_write_reg(state, 0x0002, val); |
558 | if (lg_chkerr(ret)) | |
559 | goto fail; | |
560 | ||
8e8cd34e | 561 | /* 2. Bandwidth mode for QAM */ |
b63b36fa | 562 | ret = lgdt3306a_read_reg(state, 0x0009, &val); |
4937ba94 | 563 | val &= 0xe3; /* STDOPDETTMODE[2:0]=0 VSB Off */ |
b63b36fa FR |
564 | ret = lgdt3306a_write_reg(state, 0x0009, val); |
565 | if (lg_chkerr(ret)) | |
566 | goto fail; | |
567 | ||
8e8cd34e | 568 | /* 3. : 64QAM/256QAM detection(manual, auto) */ |
b63b36fa | 569 | ret = lgdt3306a_read_reg(state, 0x0009, &val); |
4937ba94 | 570 | val &= 0xfc; |
4966c0c5 BL |
571 | /* Check for forced Manual modulation modes; otherwise always "auto" */ |
572 | if(forced_manual && (modulation != QAM_AUTO)){ | |
573 | val |= 0x01; /* STDOPDETCMODE[1:0]= 1=Manual */ | |
574 | } else { | |
575 | val |= 0x02; /* STDOPDETCMODE[1:0]= 2=Auto */ | |
576 | } | |
b63b36fa FR |
577 | ret = lgdt3306a_write_reg(state, 0x0009, val); |
578 | if (lg_chkerr(ret)) | |
579 | goto fail; | |
580 | ||
8e8cd34e | 581 | /* 3a. : 64QAM/256QAM selection for manual */ |
b63b36fa | 582 | ret = lgdt3306a_read_reg(state, 0x101a, &val); |
4937ba94 | 583 | val &= 0xf8; |
8e8cd34e MIK |
584 | if (modulation == QAM_64) |
585 | val |= 0x02; /* QMDQMODE[2:0]=2=QAM64 */ | |
586 | else | |
587 | val |= 0x04; /* QMDQMODE[2:0]=4=QAM256 */ | |
588 | ||
b63b36fa FR |
589 | ret = lgdt3306a_write_reg(state, 0x101a, val); |
590 | if (lg_chkerr(ret)) | |
591 | goto fail; | |
592 | ||
8e8cd34e | 593 | /* 4. ADC sampling frequency rate(4x sampling) */ |
4937ba94 MCC |
594 | ret = lgdt3306a_read_reg(state, 0x000d, &val); |
595 | val &= 0xbf; | |
8e8cd34e | 596 | val |= 0x40; /* SAMPLING4XFEN=1 */ |
4937ba94 | 597 | ret = lgdt3306a_write_reg(state, 0x000d, val); |
b63b36fa FR |
598 | if (lg_chkerr(ret)) |
599 | goto fail; | |
600 | ||
8e8cd34e | 601 | /* 5. No AICC operation in QAM mode */ |
b63b36fa FR |
602 | ret = lgdt3306a_read_reg(state, 0x0024, &val); |
603 | val &= 0x00; | |
604 | ret = lgdt3306a_write_reg(state, 0x0024, val); | |
605 | if (lg_chkerr(ret)) | |
606 | goto fail; | |
607 | ||
4c7c3f9b BL |
608 | /* 5.1 V0.36 SRDCHKALWAYS : For better QAM detection */ |
609 | ret = lgdt3306a_read_reg(state, 0x000a, &val); | |
610 | val &= 0xfd; | |
611 | val |= 0x02; | |
612 | ret = lgdt3306a_write_reg(state, 0x000a, val); | |
613 | if (lg_chkerr(ret)) | |
614 | goto fail; | |
615 | ||
616 | /* 5.2 V0.36 Control of "no signal" detector function */ | |
617 | ret = lgdt3306a_read_reg(state, 0x2849, &val); | |
618 | val &= 0xdf; | |
619 | ret = lgdt3306a_write_reg(state, 0x2849, val); | |
620 | if (lg_chkerr(ret)) | |
621 | goto fail; | |
622 | ||
623 | /* 5.3 Fix for Blonder Tongue HDE-2H-QAM and AQM modulators */ | |
624 | ret = lgdt3306a_read_reg(state, 0x302b, &val); | |
625 | val &= 0x7f; /* SELFSYNCFINDEN_CQS=0; disable auto reset */ | |
626 | ret = lgdt3306a_write_reg(state, 0x302b, val); | |
627 | if (lg_chkerr(ret)) | |
628 | goto fail; | |
629 | ||
8e8cd34e | 630 | /* 6. Reset */ |
b63b36fa FR |
631 | ret = lgdt3306a_soft_reset(state); |
632 | if (lg_chkerr(ret)) | |
633 | goto fail; | |
634 | ||
097117ca | 635 | dbg_info("complete\n"); |
b63b36fa FR |
636 | fail: |
637 | return ret; | |
638 | } | |
639 | ||
640 | static int lgdt3306a_set_modulation(struct lgdt3306a_state *state, | |
641 | struct dtv_frontend_properties *p) | |
642 | { | |
643 | int ret; | |
644 | ||
097117ca | 645 | dbg_info("\n"); |
b63b36fa FR |
646 | |
647 | switch (p->modulation) { | |
648 | case VSB_8: | |
649 | ret = lgdt3306a_set_vsb(state); | |
650 | break; | |
651 | case QAM_64: | |
b63b36fa | 652 | case QAM_256: |
4966c0c5 BL |
653 | case QAM_AUTO: |
654 | ret = lgdt3306a_set_qam(state, p->modulation); | |
b63b36fa FR |
655 | break; |
656 | default: | |
657 | return -EINVAL; | |
658 | } | |
659 | if (lg_chkerr(ret)) | |
660 | goto fail; | |
661 | ||
662 | state->current_modulation = p->modulation; | |
663 | ||
664 | fail: | |
665 | return ret; | |
666 | } | |
667 | ||
668 | /* ------------------------------------------------------------------------ */ | |
669 | ||
670 | static int lgdt3306a_agc_setup(struct lgdt3306a_state *state, | |
671 | struct dtv_frontend_properties *p) | |
672 | { | |
8e8cd34e | 673 | /* TODO: anything we want to do here??? */ |
097117ca | 674 | dbg_info("\n"); |
b63b36fa FR |
675 | |
676 | switch (p->modulation) { | |
677 | case VSB_8: | |
678 | break; | |
679 | case QAM_64: | |
680 | case QAM_256: | |
4966c0c5 | 681 | case QAM_AUTO: |
b63b36fa FR |
682 | break; |
683 | default: | |
684 | return -EINVAL; | |
685 | } | |
686 | return 0; | |
687 | } | |
688 | ||
689 | /* ------------------------------------------------------------------------ */ | |
690 | ||
691 | static int lgdt3306a_set_inversion(struct lgdt3306a_state *state, | |
692 | int inversion) | |
693 | { | |
694 | int ret; | |
695 | ||
097117ca | 696 | dbg_info("(%d)\n", inversion); |
b63b36fa | 697 | |
8e8cd34e | 698 | ret = lgdt3306a_set_reg_bit(state, 0x0002, 2, inversion ? 1 : 0); |
b63b36fa FR |
699 | return ret; |
700 | } | |
701 | ||
702 | static int lgdt3306a_set_inversion_auto(struct lgdt3306a_state *state, | |
703 | int enabled) | |
704 | { | |
705 | int ret; | |
706 | ||
097117ca | 707 | dbg_info("(%d)\n", enabled); |
b63b36fa | 708 | |
534f4364 MCC |
709 | /* 0=Manual 1=Auto(QAM only) - SPECINVAUTO=0x04 */ |
710 | ret = lgdt3306a_set_reg_bit(state, 0x0002, 3, enabled); | |
b63b36fa FR |
711 | return ret; |
712 | } | |
713 | ||
714 | static int lgdt3306a_spectral_inversion(struct lgdt3306a_state *state, | |
715 | struct dtv_frontend_properties *p, | |
716 | int inversion) | |
717 | { | |
718 | int ret = 0; | |
719 | ||
097117ca | 720 | dbg_info("(%d)\n", inversion); |
8e8cd34e | 721 | #if 0 |
534f4364 MCC |
722 | /* |
723 | * FGR - spectral_inversion defaults already set for VSB and QAM; | |
724 | * can enable later if desired | |
725 | */ | |
b63b36fa FR |
726 | |
727 | ret = lgdt3306a_set_inversion(state, inversion); | |
728 | ||
729 | switch (p->modulation) { | |
730 | case VSB_8: | |
534f4364 MCC |
731 | /* Manual only for VSB */ |
732 | ret = lgdt3306a_set_inversion_auto(state, 0); | |
b63b36fa FR |
733 | break; |
734 | case QAM_64: | |
735 | case QAM_256: | |
4966c0c5 | 736 | case QAM_AUTO: |
534f4364 MCC |
737 | /* Auto ok for QAM */ |
738 | ret = lgdt3306a_set_inversion_auto(state, 1); | |
b63b36fa FR |
739 | break; |
740 | default: | |
741 | ret = -EINVAL; | |
742 | } | |
743 | #endif | |
744 | return ret; | |
745 | } | |
746 | ||
747 | static int lgdt3306a_set_if(struct lgdt3306a_state *state, | |
748 | struct dtv_frontend_properties *p) | |
749 | { | |
750 | int ret; | |
751 | u16 if_freq_khz; | |
752 | u8 nco1, nco2; | |
753 | ||
754 | switch (p->modulation) { | |
755 | case VSB_8: | |
756 | if_freq_khz = state->cfg->vsb_if_khz; | |
757 | break; | |
758 | case QAM_64: | |
759 | case QAM_256: | |
4966c0c5 | 760 | case QAM_AUTO: |
b63b36fa FR |
761 | if_freq_khz = state->cfg->qam_if_khz; |
762 | break; | |
763 | default: | |
764 | return -EINVAL; | |
765 | } | |
766 | ||
8e8cd34e | 767 | switch (if_freq_khz) { |
b63b36fa | 768 | default: |
f86548cf | 769 | pr_warn("IF=%d KHz is not supported, 3250 assumed\n", |
534f4364 | 770 | if_freq_khz); |
8e8cd34e | 771 | /* fallthrough */ |
34a5a2f8 | 772 | case 3250: /* 3.25Mhz */ |
b63b36fa FR |
773 | nco1 = 0x34; |
774 | nco2 = 0x00; | |
775 | break; | |
34a5a2f8 | 776 | case 3500: /* 3.50Mhz */ |
b63b36fa FR |
777 | nco1 = 0x38; |
778 | nco2 = 0x00; | |
779 | break; | |
34a5a2f8 | 780 | case 4000: /* 4.00Mhz */ |
b63b36fa FR |
781 | nco1 = 0x40; |
782 | nco2 = 0x00; | |
783 | break; | |
34a5a2f8 | 784 | case 5000: /* 5.00Mhz */ |
b63b36fa FR |
785 | nco1 = 0x50; |
786 | nco2 = 0x00; | |
787 | break; | |
8e8cd34e | 788 | case 5380: /* 5.38Mhz */ |
b63b36fa FR |
789 | nco1 = 0x56; |
790 | nco2 = 0x14; | |
791 | break; | |
792 | } | |
793 | ret = lgdt3306a_write_reg(state, 0x0010, nco1); | |
ee0133ee MCC |
794 | if (ret) |
795 | return ret; | |
b63b36fa | 796 | ret = lgdt3306a_write_reg(state, 0x0011, nco2); |
ee0133ee MCC |
797 | if (ret) |
798 | return ret; | |
b63b36fa | 799 | |
097117ca | 800 | dbg_info("if_freq=%d KHz->[%04x]\n", if_freq_khz, nco1<<8 | nco2); |
b63b36fa FR |
801 | |
802 | return 0; | |
803 | } | |
804 | ||
805 | /* ------------------------------------------------------------------------ */ | |
806 | ||
807 | static int lgdt3306a_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) | |
808 | { | |
809 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
810 | ||
8e8cd34e | 811 | if (state->cfg->deny_i2c_rptr) { |
097117ca | 812 | dbg_info("deny_i2c_rptr=%d\n", state->cfg->deny_i2c_rptr); |
b63b36fa FR |
813 | return 0; |
814 | } | |
097117ca | 815 | dbg_info("(%d)\n", enable); |
b63b36fa | 816 | |
534f4364 MCC |
817 | /* NI2CRPTEN=0x80 */ |
818 | return lgdt3306a_set_reg_bit(state, 0x0002, 7, enable ? 0 : 1); | |
b63b36fa FR |
819 | } |
820 | ||
821 | static int lgdt3306a_sleep(struct lgdt3306a_state *state) | |
822 | { | |
823 | int ret; | |
824 | ||
097117ca | 825 | dbg_info("\n"); |
8e8cd34e | 826 | state->current_frequency = -1; /* force re-tune, when we wake */ |
b63b36fa | 827 | |
8e8cd34e | 828 | ret = lgdt3306a_mpeg_tristate(state, 1); /* disable data bus */ |
b63b36fa FR |
829 | if (lg_chkerr(ret)) |
830 | goto fail; | |
831 | ||
8e8cd34e | 832 | ret = lgdt3306a_power(state, 0); /* power down */ |
b63b36fa FR |
833 | lg_chkerr(ret); |
834 | ||
835 | fail: | |
836 | return 0; | |
837 | } | |
838 | ||
839 | static int lgdt3306a_fe_sleep(struct dvb_frontend *fe) | |
840 | { | |
841 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
842 | ||
843 | return lgdt3306a_sleep(state); | |
844 | } | |
845 | ||
846 | static int lgdt3306a_init(struct dvb_frontend *fe) | |
847 | { | |
848 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
849 | u8 val; | |
850 | int ret; | |
851 | ||
097117ca | 852 | dbg_info("\n"); |
b63b36fa | 853 | |
8e8cd34e MIK |
854 | /* 1. Normal operation mode */ |
855 | ret = lgdt3306a_set_reg_bit(state, 0x0001, 0, 1); /* SIMFASTENB=0x01 */ | |
b63b36fa FR |
856 | if (lg_chkerr(ret)) |
857 | goto fail; | |
858 | ||
8e8cd34e | 859 | /* 2. Spectrum inversion auto detection (Not valid for VSB) */ |
b63b36fa FR |
860 | ret = lgdt3306a_set_inversion_auto(state, 0); |
861 | if (lg_chkerr(ret)) | |
862 | goto fail; | |
863 | ||
8e8cd34e | 864 | /* 3. Spectrum inversion(According to the tuner configuration) */ |
b63b36fa FR |
865 | ret = lgdt3306a_set_inversion(state, 1); |
866 | if (lg_chkerr(ret)) | |
867 | goto fail; | |
868 | ||
8e8cd34e | 869 | /* 4. Peak-to-peak voltage of ADC input signal */ |
534f4364 MCC |
870 | |
871 | /* ADCSEL1V=0x80=1Vpp; 0x00=2Vpp */ | |
872 | ret = lgdt3306a_set_reg_bit(state, 0x0004, 7, 1); | |
b63b36fa FR |
873 | if (lg_chkerr(ret)) |
874 | goto fail; | |
875 | ||
8e8cd34e | 876 | /* 5. ADC output data capture clock phase */ |
534f4364 MCC |
877 | |
878 | /* 0=same phase as ADC clock */ | |
879 | ret = lgdt3306a_set_reg_bit(state, 0x0004, 2, 0); | |
b63b36fa FR |
880 | if (lg_chkerr(ret)) |
881 | goto fail; | |
882 | ||
8e8cd34e | 883 | /* 5a. ADC sampling clock source */ |
534f4364 MCC |
884 | |
885 | /* ADCCLKPLLSEL=0x08; 0=use ext clock, not PLL */ | |
886 | ret = lgdt3306a_set_reg_bit(state, 0x0004, 3, 0); | |
b63b36fa FR |
887 | if (lg_chkerr(ret)) |
888 | goto fail; | |
889 | ||
8e8cd34e | 890 | /* 6. Automatic PLL set */ |
534f4364 MCC |
891 | |
892 | /* PLLSETAUTO=0x40; 0=off */ | |
893 | ret = lgdt3306a_set_reg_bit(state, 0x0005, 6, 0); | |
b63b36fa FR |
894 | if (lg_chkerr(ret)) |
895 | goto fail; | |
896 | ||
8e8cd34e MIK |
897 | if (state->cfg->xtalMHz == 24) { /* 24MHz */ |
898 | /* 7. Frequency for PLL output(0x2564 for 192MHz for 24MHz) */ | |
b63b36fa FR |
899 | ret = lgdt3306a_read_reg(state, 0x0005, &val); |
900 | if (lg_chkerr(ret)) | |
901 | goto fail; | |
4937ba94 | 902 | val &= 0xc0; |
b63b36fa FR |
903 | val |= 0x25; |
904 | ret = lgdt3306a_write_reg(state, 0x0005, val); | |
905 | if (lg_chkerr(ret)) | |
906 | goto fail; | |
907 | ret = lgdt3306a_write_reg(state, 0x0006, 0x64); | |
908 | if (lg_chkerr(ret)) | |
909 | goto fail; | |
910 | ||
8e8cd34e | 911 | /* 8. ADC sampling frequency(0x180000 for 24MHz sampling) */ |
4937ba94 | 912 | ret = lgdt3306a_read_reg(state, 0x000d, &val); |
b63b36fa FR |
913 | if (lg_chkerr(ret)) |
914 | goto fail; | |
4937ba94 | 915 | val &= 0xc0; |
b63b36fa | 916 | val |= 0x18; |
4937ba94 | 917 | ret = lgdt3306a_write_reg(state, 0x000d, val); |
b63b36fa FR |
918 | if (lg_chkerr(ret)) |
919 | goto fail; | |
920 | ||
8e8cd34e MIK |
921 | } else if (state->cfg->xtalMHz == 25) { /* 25MHz */ |
922 | /* 7. Frequency for PLL output */ | |
b63b36fa FR |
923 | ret = lgdt3306a_read_reg(state, 0x0005, &val); |
924 | if (lg_chkerr(ret)) | |
925 | goto fail; | |
4937ba94 | 926 | val &= 0xc0; |
b63b36fa FR |
927 | val |= 0x25; |
928 | ret = lgdt3306a_write_reg(state, 0x0005, val); | |
929 | if (lg_chkerr(ret)) | |
930 | goto fail; | |
931 | ret = lgdt3306a_write_reg(state, 0x0006, 0x64); | |
932 | if (lg_chkerr(ret)) | |
933 | goto fail; | |
934 | ||
8e8cd34e | 935 | /* 8. ADC sampling frequency(0x190000 for 25MHz sampling) */ |
4937ba94 | 936 | ret = lgdt3306a_read_reg(state, 0x000d, &val); |
b63b36fa FR |
937 | if (lg_chkerr(ret)) |
938 | goto fail; | |
4937ba94 | 939 | val &= 0xc0; |
b63b36fa | 940 | val |= 0x19; |
4937ba94 | 941 | ret = lgdt3306a_write_reg(state, 0x000d, val); |
b63b36fa FR |
942 | if (lg_chkerr(ret)) |
943 | goto fail; | |
944 | } else { | |
097117ca | 945 | pr_err("Bad xtalMHz=%d\n", state->cfg->xtalMHz); |
b63b36fa | 946 | } |
8e8cd34e | 947 | #if 0 |
4937ba94 MCC |
948 | ret = lgdt3306a_write_reg(state, 0x000e, 0x00); |
949 | ret = lgdt3306a_write_reg(state, 0x000f, 0x00); | |
8e8cd34e | 950 | #endif |
b63b36fa | 951 | |
8e8cd34e MIK |
952 | /* 9. Center frequency of input signal of ADC */ |
953 | ret = lgdt3306a_write_reg(state, 0x0010, 0x34); /* 3.25MHz */ | |
954 | ret = lgdt3306a_write_reg(state, 0x0011, 0x00); | |
b63b36fa | 955 | |
8e8cd34e MIK |
956 | /* 10. Fixed gain error value */ |
957 | ret = lgdt3306a_write_reg(state, 0x0014, 0); /* gain error=0 */ | |
b63b36fa | 958 | |
8e8cd34e | 959 | /* 10a. VSB TR BW gear shift initial step */ |
4937ba94 MCC |
960 | ret = lgdt3306a_read_reg(state, 0x103c, &val); |
961 | val &= 0x0f; | |
8e8cd34e | 962 | val |= 0x20; /* SAMGSAUTOSTL_V[3:0] = 2 */ |
4937ba94 | 963 | ret = lgdt3306a_write_reg(state, 0x103c, val); |
b63b36fa | 964 | |
8e8cd34e | 965 | /* 10b. Timing offset calibration in low temperature for VSB */ |
4937ba94 MCC |
966 | ret = lgdt3306a_read_reg(state, 0x103d, &val); |
967 | val &= 0xfc; | |
b63b36fa | 968 | val |= 0x03; |
4937ba94 | 969 | ret = lgdt3306a_write_reg(state, 0x103d, val); |
b63b36fa | 970 | |
8e8cd34e | 971 | /* 10c. Timing offset calibration in low temperature for QAM */ |
b63b36fa | 972 | ret = lgdt3306a_read_reg(state, 0x1036, &val); |
4937ba94 MCC |
973 | val &= 0xf0; |
974 | val |= 0x0c; | |
b63b36fa FR |
975 | ret = lgdt3306a_write_reg(state, 0x1036, val); |
976 | ||
8e8cd34e | 977 | /* 11. Using the imaginary part of CIR in CIR loading */ |
4937ba94 MCC |
978 | ret = lgdt3306a_read_reg(state, 0x211f, &val); |
979 | val &= 0xef; /* do not use imaginary of CIR */ | |
980 | ret = lgdt3306a_write_reg(state, 0x211f, val); | |
b63b36fa | 981 | |
8e8cd34e | 982 | /* 12. Control of no signal detector function */ |
b63b36fa | 983 | ret = lgdt3306a_read_reg(state, 0x2849, &val); |
4937ba94 | 984 | val &= 0xef; /* NOUSENOSIGDET=0, enable no signal detector */ |
b63b36fa FR |
985 | ret = lgdt3306a_write_reg(state, 0x2849, val); |
986 | ||
8e8cd34e | 987 | /* FGR - put demod in some known mode */ |
b63b36fa FR |
988 | ret = lgdt3306a_set_vsb(state); |
989 | ||
8e8cd34e | 990 | /* 13. TP stream format */ |
b63b36fa FR |
991 | ret = lgdt3306a_mpeg_mode(state, state->cfg->mpeg_mode); |
992 | ||
8e8cd34e | 993 | /* 14. disable output buses */ |
b63b36fa FR |
994 | ret = lgdt3306a_mpeg_tristate(state, 1); |
995 | ||
8e8cd34e | 996 | /* 15. Sleep (in reset) */ |
b63b36fa FR |
997 | ret = lgdt3306a_sleep(state); |
998 | lg_chkerr(ret); | |
999 | ||
1000 | fail: | |
1001 | return ret; | |
1002 | } | |
1003 | ||
1004 | static int lgdt3306a_set_parameters(struct dvb_frontend *fe) | |
1005 | { | |
1006 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; | |
1007 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
1008 | int ret; | |
1009 | ||
097117ca | 1010 | dbg_info("(%d, %d)\n", p->frequency, p->modulation); |
b63b36fa | 1011 | |
8e8cd34e MIK |
1012 | if (state->current_frequency == p->frequency && |
1013 | state->current_modulation == p->modulation) { | |
097117ca | 1014 | dbg_info(" (already set, skipping ...)\n"); |
b63b36fa FR |
1015 | return 0; |
1016 | } | |
1017 | state->current_frequency = -1; | |
1018 | state->current_modulation = -1; | |
1019 | ||
8e8cd34e | 1020 | ret = lgdt3306a_power(state, 1); /* power up */ |
b63b36fa FR |
1021 | if (lg_chkerr(ret)) |
1022 | goto fail; | |
1023 | ||
1024 | if (fe->ops.tuner_ops.set_params) { | |
1025 | ret = fe->ops.tuner_ops.set_params(fe); | |
1026 | if (fe->ops.i2c_gate_ctrl) | |
1027 | fe->ops.i2c_gate_ctrl(fe, 0); | |
8e8cd34e MIK |
1028 | #if 0 |
1029 | if (lg_chkerr(ret)) | |
1030 | goto fail; | |
1031 | state->current_frequency = p->frequency; | |
1032 | #endif | |
b63b36fa FR |
1033 | } |
1034 | ||
1035 | ret = lgdt3306a_set_modulation(state, p); | |
1036 | if (lg_chkerr(ret)) | |
1037 | goto fail; | |
1038 | ||
1039 | ret = lgdt3306a_agc_setup(state, p); | |
1040 | if (lg_chkerr(ret)) | |
1041 | goto fail; | |
1042 | ||
1043 | ret = lgdt3306a_set_if(state, p); | |
1044 | if (lg_chkerr(ret)) | |
1045 | goto fail; | |
1046 | ||
1047 | ret = lgdt3306a_spectral_inversion(state, p, | |
534f4364 | 1048 | state->cfg->spectral_inversion ? 1 : 0); |
b63b36fa FR |
1049 | if (lg_chkerr(ret)) |
1050 | goto fail; | |
1051 | ||
1052 | ret = lgdt3306a_mpeg_mode(state, state->cfg->mpeg_mode); | |
1053 | if (lg_chkerr(ret)) | |
1054 | goto fail; | |
1055 | ||
1056 | ret = lgdt3306a_mpeg_mode_polarity(state, | |
1057 | state->cfg->tpclk_edge, | |
1058 | state->cfg->tpvalid_polarity); | |
1059 | if (lg_chkerr(ret)) | |
1060 | goto fail; | |
1061 | ||
8e8cd34e | 1062 | ret = lgdt3306a_mpeg_tristate(state, 0); /* enable data bus */ |
b63b36fa FR |
1063 | if (lg_chkerr(ret)) |
1064 | goto fail; | |
1065 | ||
1066 | ret = lgdt3306a_soft_reset(state); | |
1067 | if (lg_chkerr(ret)) | |
1068 | goto fail; | |
1069 | ||
1070 | #ifdef DBG_DUMP | |
1071 | lgdt3306a_DumpAllRegs(state); | |
1072 | #endif | |
1073 | state->current_frequency = p->frequency; | |
1074 | fail: | |
1075 | return ret; | |
1076 | } | |
1077 | ||
7e3e68bc MCC |
1078 | static int lgdt3306a_get_frontend(struct dvb_frontend *fe, |
1079 | struct dtv_frontend_properties *p) | |
b63b36fa FR |
1080 | { |
1081 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
b63b36fa | 1082 | |
534f4364 MCC |
1083 | dbg_info("(%u, %d)\n", |
1084 | state->current_frequency, state->current_modulation); | |
b63b36fa FR |
1085 | |
1086 | p->modulation = state->current_modulation; | |
1087 | p->frequency = state->current_frequency; | |
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | static enum dvbfe_algo lgdt3306a_get_frontend_algo(struct dvb_frontend *fe) | |
1092 | { | |
1093 | #if 1 | |
1094 | return DVBFE_ALGO_CUSTOM; | |
1095 | #else | |
1096 | return DVBFE_ALGO_HW; | |
1097 | #endif | |
1098 | } | |
1099 | ||
1100 | /* ------------------------------------------------------------------------ */ | |
ee0133ee | 1101 | static int lgdt3306a_monitor_vsb(struct lgdt3306a_state *state) |
b63b36fa FR |
1102 | { |
1103 | u8 val; | |
1104 | int ret; | |
8e8cd34e MIK |
1105 | u8 snrRef, maxPowerMan, nCombDet; |
1106 | u16 fbDlyCir; | |
b63b36fa | 1107 | |
4937ba94 | 1108 | ret = lgdt3306a_read_reg(state, 0x21a1, &val); |
ee0133ee MCC |
1109 | if (ret) |
1110 | return ret; | |
4937ba94 | 1111 | snrRef = val & 0x3f; |
b63b36fa FR |
1112 | |
1113 | ret = lgdt3306a_read_reg(state, 0x2185, &maxPowerMan); | |
ee0133ee MCC |
1114 | if (ret) |
1115 | return ret; | |
b63b36fa FR |
1116 | |
1117 | ret = lgdt3306a_read_reg(state, 0x2191, &val); | |
ee0133ee MCC |
1118 | if (ret) |
1119 | return ret; | |
b63b36fa FR |
1120 | nCombDet = (val & 0x80) >> 7; |
1121 | ||
1122 | ret = lgdt3306a_read_reg(state, 0x2180, &val); | |
ee0133ee MCC |
1123 | if (ret) |
1124 | return ret; | |
b63b36fa | 1125 | fbDlyCir = (val & 0x03) << 8; |
ee0133ee | 1126 | |
b63b36fa | 1127 | ret = lgdt3306a_read_reg(state, 0x2181, &val); |
ee0133ee MCC |
1128 | if (ret) |
1129 | return ret; | |
b63b36fa FR |
1130 | fbDlyCir |= val; |
1131 | ||
097117ca | 1132 | dbg_info("snrRef=%d maxPowerMan=0x%x nCombDet=%d fbDlyCir=0x%x\n", |
b63b36fa FR |
1133 | snrRef, maxPowerMan, nCombDet, fbDlyCir); |
1134 | ||
8e8cd34e | 1135 | /* Carrier offset sub loop bandwidth */ |
b63b36fa | 1136 | ret = lgdt3306a_read_reg(state, 0x1061, &val); |
ee0133ee MCC |
1137 | if (ret) |
1138 | return ret; | |
4937ba94 | 1139 | val &= 0xf8; |
534f4364 MCC |
1140 | if ((snrRef > 18) && (maxPowerMan > 0x68) |
1141 | && (nCombDet == 0x01) | |
1142 | && ((fbDlyCir == 0x03FF) || (fbDlyCir < 0x6C))) { | |
8e8cd34e MIK |
1143 | /* SNR is over 18dB and no ghosting */ |
1144 | val |= 0x00; /* final bandwidth = 0 */ | |
b63b36fa | 1145 | } else { |
8e8cd34e | 1146 | val |= 0x04; /* final bandwidth = 4 */ |
b63b36fa FR |
1147 | } |
1148 | ret = lgdt3306a_write_reg(state, 0x1061, val); | |
ee0133ee MCC |
1149 | if (ret) |
1150 | return ret; | |
b63b36fa | 1151 | |
8e8cd34e | 1152 | /* Adjust Notch Filter */ |
b63b36fa | 1153 | ret = lgdt3306a_read_reg(state, 0x0024, &val); |
ee0133ee MCC |
1154 | if (ret) |
1155 | return ret; | |
4937ba94 | 1156 | val &= 0x0f; |
8e8cd34e | 1157 | if (nCombDet == 0) { /* Turn on the Notch Filter */ |
b63b36fa FR |
1158 | val |= 0x50; |
1159 | } | |
1160 | ret = lgdt3306a_write_reg(state, 0x0024, val); | |
ee0133ee MCC |
1161 | if (ret) |
1162 | return ret; | |
b63b36fa | 1163 | |
8e8cd34e | 1164 | /* VSB Timing Recovery output normalization */ |
4937ba94 | 1165 | ret = lgdt3306a_read_reg(state, 0x103d, &val); |
ee0133ee MCC |
1166 | if (ret) |
1167 | return ret; | |
4937ba94 | 1168 | val &= 0xcf; |
b63b36fa | 1169 | val |= 0x20; |
4937ba94 | 1170 | ret = lgdt3306a_write_reg(state, 0x103d, val); |
ee0133ee MCC |
1171 | |
1172 | return ret; | |
b63b36fa FR |
1173 | } |
1174 | ||
534f4364 MCC |
1175 | static enum lgdt3306a_modulation |
1176 | lgdt3306a_check_oper_mode(struct lgdt3306a_state *state) | |
b63b36fa FR |
1177 | { |
1178 | u8 val = 0; | |
1179 | int ret; | |
1180 | ||
1181 | ret = lgdt3306a_read_reg(state, 0x0081, &val); | |
ee0133ee MCC |
1182 | if (ret) |
1183 | goto err; | |
b63b36fa FR |
1184 | |
1185 | if (val & 0x80) { | |
097117ca | 1186 | dbg_info("VSB\n"); |
8e8cd34e | 1187 | return LG3306_VSB; |
b63b36fa | 1188 | } |
c714efe4 | 1189 | if (val & 0x08) { |
4937ba94 | 1190 | ret = lgdt3306a_read_reg(state, 0x00a6, &val); |
ee0133ee MCC |
1191 | if (ret) |
1192 | goto err; | |
b63b36fa FR |
1193 | val = val >> 2; |
1194 | if (val & 0x01) { | |
097117ca | 1195 | dbg_info("QAM256\n"); |
8e8cd34e | 1196 | return LG3306_QAM256; |
b63b36fa | 1197 | } |
b4e43e95 MCC |
1198 | dbg_info("QAM64\n"); |
1199 | return LG3306_QAM64; | |
b63b36fa | 1200 | } |
ee0133ee | 1201 | err: |
097117ca | 1202 | pr_warn("UNKNOWN\n"); |
8e8cd34e | 1203 | return LG3306_UNKNOWN_MODE; |
b63b36fa FR |
1204 | } |
1205 | ||
534f4364 MCC |
1206 | static enum lgdt3306a_lock_status |
1207 | lgdt3306a_check_lock_status(struct lgdt3306a_state *state, | |
1208 | enum lgdt3306a_lock_check whatLock) | |
b63b36fa FR |
1209 | { |
1210 | u8 val = 0; | |
1211 | int ret; | |
f883d603 MIK |
1212 | enum lgdt3306a_modulation modeOper; |
1213 | enum lgdt3306a_lock_status lockStatus; | |
b63b36fa FR |
1214 | |
1215 | modeOper = LG3306_UNKNOWN_MODE; | |
1216 | ||
8e8cd34e MIK |
1217 | switch (whatLock) { |
1218 | case LG3306_SYNC_LOCK: | |
1219 | { | |
4937ba94 | 1220 | ret = lgdt3306a_read_reg(state, 0x00a6, &val); |
ee0133ee MCC |
1221 | if (ret) |
1222 | return ret; | |
8e8cd34e MIK |
1223 | |
1224 | if ((val & 0x80) == 0x80) | |
1225 | lockStatus = LG3306_LOCK; | |
1226 | else | |
1227 | lockStatus = LG3306_UNLOCK; | |
1228 | ||
097117ca | 1229 | dbg_info("SYNC_LOCK=%x\n", lockStatus); |
8e8cd34e MIK |
1230 | break; |
1231 | } | |
1232 | case LG3306_AGC_LOCK: | |
1233 | { | |
1234 | ret = lgdt3306a_read_reg(state, 0x0080, &val); | |
ee0133ee MCC |
1235 | if (ret) |
1236 | return ret; | |
8e8cd34e MIK |
1237 | |
1238 | if ((val & 0x40) == 0x40) | |
1239 | lockStatus = LG3306_LOCK; | |
1240 | else | |
1241 | lockStatus = LG3306_UNLOCK; | |
1242 | ||
097117ca | 1243 | dbg_info("AGC_LOCK=%x\n", lockStatus); |
8e8cd34e MIK |
1244 | break; |
1245 | } | |
1246 | case LG3306_TR_LOCK: | |
b63b36fa | 1247 | { |
8e8cd34e MIK |
1248 | modeOper = lgdt3306a_check_oper_mode(state); |
1249 | if ((modeOper == LG3306_QAM64) || (modeOper == LG3306_QAM256)) { | |
1250 | ret = lgdt3306a_read_reg(state, 0x1094, &val); | |
ee0133ee MCC |
1251 | if (ret) |
1252 | return ret; | |
b63b36fa FR |
1253 | |
1254 | if ((val & 0x80) == 0x80) | |
1255 | lockStatus = LG3306_LOCK; | |
1256 | else | |
1257 | lockStatus = LG3306_UNLOCK; | |
8e8cd34e MIK |
1258 | } else |
1259 | lockStatus = LG3306_UNKNOWN_LOCK; | |
b63b36fa | 1260 | |
097117ca | 1261 | dbg_info("TR_LOCK=%x\n", lockStatus); |
8e8cd34e MIK |
1262 | break; |
1263 | } | |
1264 | case LG3306_FEC_LOCK: | |
1265 | { | |
1266 | modeOper = lgdt3306a_check_oper_mode(state); | |
1267 | if ((modeOper == LG3306_QAM64) || (modeOper == LG3306_QAM256)) { | |
b63b36fa | 1268 | ret = lgdt3306a_read_reg(state, 0x0080, &val); |
ee0133ee MCC |
1269 | if (ret) |
1270 | return ret; | |
b63b36fa | 1271 | |
8e8cd34e | 1272 | if ((val & 0x10) == 0x10) |
b63b36fa FR |
1273 | lockStatus = LG3306_LOCK; |
1274 | else | |
1275 | lockStatus = LG3306_UNLOCK; | |
8e8cd34e MIK |
1276 | } else |
1277 | lockStatus = LG3306_UNKNOWN_LOCK; | |
b63b36fa | 1278 | |
097117ca | 1279 | dbg_info("FEC_LOCK=%x\n", lockStatus); |
8e8cd34e MIK |
1280 | break; |
1281 | } | |
b63b36fa | 1282 | |
8e8cd34e MIK |
1283 | default: |
1284 | lockStatus = LG3306_UNKNOWN_LOCK; | |
097117ca | 1285 | pr_warn("UNKNOWN whatLock=%d\n", whatLock); |
8e8cd34e | 1286 | break; |
b63b36fa FR |
1287 | } |
1288 | ||
8e8cd34e | 1289 | return lockStatus; |
b63b36fa FR |
1290 | } |
1291 | ||
534f4364 MCC |
1292 | static enum lgdt3306a_neverlock_status |
1293 | lgdt3306a_check_neverlock_status(struct lgdt3306a_state *state) | |
b63b36fa FR |
1294 | { |
1295 | u8 val = 0; | |
1296 | int ret; | |
f883d603 | 1297 | enum lgdt3306a_neverlock_status lockStatus; |
b63b36fa FR |
1298 | |
1299 | ret = lgdt3306a_read_reg(state, 0x0080, &val); | |
ee0133ee MCC |
1300 | if (ret) |
1301 | return ret; | |
f883d603 | 1302 | lockStatus = (enum lgdt3306a_neverlock_status)(val & 0x03); |
b63b36fa | 1303 | |
097117ca | 1304 | dbg_info("NeverLock=%d", lockStatus); |
b63b36fa | 1305 | |
8e8cd34e | 1306 | return lockStatus; |
b63b36fa FR |
1307 | } |
1308 | ||
ee0133ee | 1309 | static int lgdt3306a_pre_monitoring(struct lgdt3306a_state *state) |
b63b36fa FR |
1310 | { |
1311 | u8 val = 0; | |
1312 | int ret; | |
1313 | u8 currChDiffACQ, snrRef, mainStrong, aiccrejStatus; | |
1314 | ||
8e8cd34e | 1315 | /* Channel variation */ |
4937ba94 | 1316 | ret = lgdt3306a_read_reg(state, 0x21bc, &currChDiffACQ); |
ee0133ee MCC |
1317 | if (ret) |
1318 | return ret; | |
b63b36fa | 1319 | |
8e8cd34e | 1320 | /* SNR of Frame sync */ |
4937ba94 | 1321 | ret = lgdt3306a_read_reg(state, 0x21a1, &val); |
ee0133ee MCC |
1322 | if (ret) |
1323 | return ret; | |
4937ba94 | 1324 | snrRef = val & 0x3f; |
b63b36fa | 1325 | |
8e8cd34e | 1326 | /* Strong Main CIR */ |
b63b36fa | 1327 | ret = lgdt3306a_read_reg(state, 0x2199, &val); |
ee0133ee MCC |
1328 | if (ret) |
1329 | return ret; | |
b63b36fa FR |
1330 | mainStrong = (val & 0x40) >> 6; |
1331 | ||
1332 | ret = lgdt3306a_read_reg(state, 0x0090, &val); | |
ee0133ee MCC |
1333 | if (ret) |
1334 | return ret; | |
4937ba94 | 1335 | aiccrejStatus = (val & 0xf0) >> 4; |
b63b36fa | 1336 | |
097117ca | 1337 | dbg_info("snrRef=%d mainStrong=%d aiccrejStatus=%d currChDiffACQ=0x%x\n", |
b63b36fa FR |
1338 | snrRef, mainStrong, aiccrejStatus, currChDiffACQ); |
1339 | ||
8e8cd34e | 1340 | #if 0 |
534f4364 MCC |
1341 | /* Dynamic ghost exists */ |
1342 | if ((mainStrong == 0) && (currChDiffACQ > 0x70)) | |
8e8cd34e MIK |
1343 | #endif |
1344 | if (mainStrong == 0) { | |
b63b36fa | 1345 | ret = lgdt3306a_read_reg(state, 0x2135, &val); |
ee0133ee MCC |
1346 | if (ret) |
1347 | return ret; | |
4937ba94 MCC |
1348 | val &= 0x0f; |
1349 | val |= 0xa0; | |
b63b36fa | 1350 | ret = lgdt3306a_write_reg(state, 0x2135, val); |
ee0133ee MCC |
1351 | if (ret) |
1352 | return ret; | |
b63b36fa FR |
1353 | |
1354 | ret = lgdt3306a_read_reg(state, 0x2141, &val); | |
ee0133ee MCC |
1355 | if (ret) |
1356 | return ret; | |
4937ba94 | 1357 | val &= 0x3f; |
b63b36fa FR |
1358 | val |= 0x80; |
1359 | ret = lgdt3306a_write_reg(state, 0x2141, val); | |
ee0133ee MCC |
1360 | if (ret) |
1361 | return ret; | |
b63b36fa FR |
1362 | |
1363 | ret = lgdt3306a_write_reg(state, 0x2122, 0x70); | |
ee0133ee MCC |
1364 | if (ret) |
1365 | return ret; | |
8e8cd34e | 1366 | } else { /* Weak ghost or static channel */ |
b63b36fa | 1367 | ret = lgdt3306a_read_reg(state, 0x2135, &val); |
ee0133ee MCC |
1368 | if (ret) |
1369 | return ret; | |
4937ba94 | 1370 | val &= 0x0f; |
b63b36fa FR |
1371 | val |= 0x70; |
1372 | ret = lgdt3306a_write_reg(state, 0x2135, val); | |
ee0133ee MCC |
1373 | if (ret) |
1374 | return ret; | |
b63b36fa FR |
1375 | |
1376 | ret = lgdt3306a_read_reg(state, 0x2141, &val); | |
ee0133ee MCC |
1377 | if (ret) |
1378 | return ret; | |
4937ba94 | 1379 | val &= 0x3f; |
b63b36fa FR |
1380 | val |= 0x40; |
1381 | ret = lgdt3306a_write_reg(state, 0x2141, val); | |
ee0133ee MCC |
1382 | if (ret) |
1383 | return ret; | |
b63b36fa FR |
1384 | |
1385 | ret = lgdt3306a_write_reg(state, 0x2122, 0x40); | |
ee0133ee MCC |
1386 | if (ret) |
1387 | return ret; | |
b63b36fa | 1388 | } |
ee0133ee | 1389 | return 0; |
b63b36fa FR |
1390 | } |
1391 | ||
534f4364 MCC |
1392 | static enum lgdt3306a_lock_status |
1393 | lgdt3306a_sync_lock_poll(struct lgdt3306a_state *state) | |
b63b36fa | 1394 | { |
f883d603 | 1395 | enum lgdt3306a_lock_status syncLockStatus = LG3306_UNLOCK; |
b63b36fa FR |
1396 | int i; |
1397 | ||
1398 | for (i = 0; i < 2; i++) { | |
1399 | msleep(30); | |
1400 | ||
534f4364 MCC |
1401 | syncLockStatus = lgdt3306a_check_lock_status(state, |
1402 | LG3306_SYNC_LOCK); | |
b63b36fa FR |
1403 | |
1404 | if (syncLockStatus == LG3306_LOCK) { | |
097117ca | 1405 | dbg_info("locked(%d)\n", i); |
8e8cd34e | 1406 | return LG3306_LOCK; |
b63b36fa FR |
1407 | } |
1408 | } | |
097117ca | 1409 | dbg_info("not locked\n"); |
8e8cd34e | 1410 | return LG3306_UNLOCK; |
b63b36fa FR |
1411 | } |
1412 | ||
534f4364 MCC |
1413 | static enum lgdt3306a_lock_status |
1414 | lgdt3306a_fec_lock_poll(struct lgdt3306a_state *state) | |
b63b36fa | 1415 | { |
f883d603 | 1416 | enum lgdt3306a_lock_status FECLockStatus = LG3306_UNLOCK; |
b63b36fa FR |
1417 | int i; |
1418 | ||
1419 | for (i = 0; i < 2; i++) { | |
1420 | msleep(30); | |
1421 | ||
534f4364 MCC |
1422 | FECLockStatus = lgdt3306a_check_lock_status(state, |
1423 | LG3306_FEC_LOCK); | |
b63b36fa FR |
1424 | |
1425 | if (FECLockStatus == LG3306_LOCK) { | |
097117ca | 1426 | dbg_info("locked(%d)\n", i); |
8e8cd34e | 1427 | return FECLockStatus; |
b63b36fa FR |
1428 | } |
1429 | } | |
097117ca | 1430 | dbg_info("not locked\n"); |
8e8cd34e | 1431 | return FECLockStatus; |
b63b36fa FR |
1432 | } |
1433 | ||
534f4364 MCC |
1434 | static enum lgdt3306a_neverlock_status |
1435 | lgdt3306a_neverlock_poll(struct lgdt3306a_state *state) | |
b63b36fa | 1436 | { |
f883d603 | 1437 | enum lgdt3306a_neverlock_status NLLockStatus = LG3306_NL_FAIL; |
b63b36fa FR |
1438 | int i; |
1439 | ||
8e8cd34e | 1440 | for (i = 0; i < 5; i++) { |
b63b36fa FR |
1441 | msleep(30); |
1442 | ||
1443 | NLLockStatus = lgdt3306a_check_neverlock_status(state); | |
1444 | ||
1445 | if (NLLockStatus == LG3306_NL_LOCK) { | |
097117ca | 1446 | dbg_info("NL_LOCK(%d)\n", i); |
8e8cd34e | 1447 | return NLLockStatus; |
b63b36fa FR |
1448 | } |
1449 | } | |
097117ca | 1450 | dbg_info("NLLockStatus=%d\n", NLLockStatus); |
8e8cd34e | 1451 | return NLLockStatus; |
b63b36fa FR |
1452 | } |
1453 | ||
1454 | static u8 lgdt3306a_get_packet_error(struct lgdt3306a_state *state) | |
1455 | { | |
1456 | u8 val; | |
1457 | int ret; | |
1458 | ||
4937ba94 | 1459 | ret = lgdt3306a_read_reg(state, 0x00fa, &val); |
ee0133ee MCC |
1460 | if (ret) |
1461 | return ret; | |
b63b36fa | 1462 | |
8e8cd34e | 1463 | return val; |
b63b36fa FR |
1464 | } |
1465 | ||
9369fe01 MCC |
1466 | static const u32 valx_x10[] = { |
1467 | 10, 11, 13, 15, 17, 20, 25, 33, 41, 50, 59, 73, 87, 100 | |
1468 | }; | |
1469 | static const u32 log10x_x1000[] = { | |
95f22c5a | 1470 | 0, 41, 114, 176, 230, 301, 398, 518, 613, 699, 771, 863, 939, 1000 |
9369fe01 MCC |
1471 | }; |
1472 | ||
b63b36fa FR |
1473 | static u32 log10_x1000(u32 x) |
1474 | { | |
a132fef8 | 1475 | u32 diff_val, step_val, step_log10; |
b63b36fa | 1476 | u32 log_val = 0; |
8e8cd34e | 1477 | u32 i; |
b63b36fa | 1478 | |
8e8cd34e MIK |
1479 | if (x <= 0) |
1480 | return -1000000; /* signal error */ | |
b63b36fa | 1481 | |
b4e43e95 MCC |
1482 | if (x == 10) |
1483 | return 0; /* log(1)=0 */ | |
1484 | ||
8e8cd34e MIK |
1485 | if (x < 10) { |
1486 | while (x < 10) { | |
1487 | x = x * 10; | |
b63b36fa FR |
1488 | log_val--; |
1489 | } | |
b4e43e95 | 1490 | } else { /* x > 10 */ |
8e8cd34e MIK |
1491 | while (x >= 100) { |
1492 | x = x / 10; | |
b63b36fa FR |
1493 | log_val++; |
1494 | } | |
8e8cd34e | 1495 | } |
b63b36fa FR |
1496 | log_val *= 1000; |
1497 | ||
8e8cd34e MIK |
1498 | if (x == 10) /* was our input an exact multiple of 10 */ |
1499 | return log_val; /* don't need to interpolate */ | |
b63b36fa | 1500 | |
8e8cd34e | 1501 | /* find our place on the log curve */ |
9369fe01 | 1502 | for (i = 1; i < ARRAY_SIZE(valx_x10); i++) { |
8e8cd34e MIK |
1503 | if (valx_x10[i] >= x) |
1504 | break; | |
b63b36fa | 1505 | } |
9369fe01 | 1506 | if (i == ARRAY_SIZE(valx_x10)) |
a132fef8 | 1507 | return log_val + log10x_x1000[i - 1]; |
b63b36fa | 1508 | |
a132fef8 MCC |
1509 | diff_val = x - valx_x10[i-1]; |
1510 | step_val = valx_x10[i] - valx_x10[i - 1]; | |
1511 | step_log10 = log10x_x1000[i] - log10x_x1000[i - 1]; | |
1512 | ||
1513 | /* do a linear interpolation to get in-between values */ | |
1514 | return log_val + log10x_x1000[i - 1] + | |
1515 | ((diff_val*step_log10) / step_val); | |
b63b36fa FR |
1516 | } |
1517 | ||
1518 | static u32 lgdt3306a_calculate_snr_x100(struct lgdt3306a_state *state) | |
1519 | { | |
34a5a2f8 MIK |
1520 | u32 mse; /* Mean-Square Error */ |
1521 | u32 pwr; /* Constelation power */ | |
b63b36fa FR |
1522 | u32 snr_x100; |
1523 | ||
4937ba94 MCC |
1524 | mse = (read_reg(state, 0x00ec) << 8) | |
1525 | (read_reg(state, 0x00ed)); | |
1526 | pwr = (read_reg(state, 0x00e8) << 8) | | |
1527 | (read_reg(state, 0x00e9)); | |
b63b36fa FR |
1528 | |
1529 | if (mse == 0) /* no signal */ | |
1530 | return 0; | |
1531 | ||
8e8cd34e | 1532 | snr_x100 = log10_x1000((pwr * 10000) / mse) - 3000; |
097117ca | 1533 | dbg_info("mse=%u, pwr=%u, snr_x100=%d\n", mse, pwr, snr_x100); |
b63b36fa FR |
1534 | |
1535 | return snr_x100; | |
1536 | } | |
1537 | ||
534f4364 MCC |
1538 | static enum lgdt3306a_lock_status |
1539 | lgdt3306a_vsb_lock_poll(struct lgdt3306a_state *state) | |
b63b36fa | 1540 | { |
e2c47fa7 | 1541 | int ret; |
8e8cd34e MIK |
1542 | u8 cnt = 0; |
1543 | u8 packet_error; | |
1544 | u32 snr; | |
b63b36fa | 1545 | |
b1a88c71 | 1546 | for (cnt = 0; cnt < 10; cnt++) { |
b63b36fa | 1547 | if (lgdt3306a_sync_lock_poll(state) == LG3306_UNLOCK) { |
097117ca | 1548 | dbg_info("no sync lock!\n"); |
8e8cd34e | 1549 | return LG3306_UNLOCK; |
b1a88c71 | 1550 | } |
b63b36fa | 1551 | |
b1a88c71 MCC |
1552 | msleep(20); |
1553 | ret = lgdt3306a_pre_monitoring(state); | |
1554 | if (ret) | |
1555 | break; | |
b63b36fa | 1556 | |
b1a88c71 MCC |
1557 | packet_error = lgdt3306a_get_packet_error(state); |
1558 | snr = lgdt3306a_calculate_snr_x100(state); | |
1559 | dbg_info("cnt=%d errors=%d snr=%d\n", cnt, packet_error, snr); | |
b63b36fa | 1560 | |
b1a88c71 MCC |
1561 | if ((snr >= 1500) && (packet_error < 0xff)) |
1562 | return LG3306_LOCK; | |
b63b36fa | 1563 | } |
b1a88c71 MCC |
1564 | |
1565 | dbg_info("not locked!\n"); | |
8e8cd34e | 1566 | return LG3306_UNLOCK; |
b63b36fa FR |
1567 | } |
1568 | ||
534f4364 MCC |
1569 | static enum lgdt3306a_lock_status |
1570 | lgdt3306a_qam_lock_poll(struct lgdt3306a_state *state) | |
b63b36fa | 1571 | { |
b1a88c71 | 1572 | u8 cnt; |
b63b36fa FR |
1573 | u8 packet_error; |
1574 | u32 snr; | |
1575 | ||
b1a88c71 | 1576 | for (cnt = 0; cnt < 10; cnt++) { |
8e8cd34e | 1577 | if (lgdt3306a_fec_lock_poll(state) == LG3306_UNLOCK) { |
097117ca | 1578 | dbg_info("no fec lock!\n"); |
8e8cd34e | 1579 | return LG3306_UNLOCK; |
b1a88c71 | 1580 | } |
b63b36fa | 1581 | |
b1a88c71 | 1582 | msleep(20); |
b63b36fa | 1583 | |
b1a88c71 MCC |
1584 | packet_error = lgdt3306a_get_packet_error(state); |
1585 | snr = lgdt3306a_calculate_snr_x100(state); | |
1586 | dbg_info("cnt=%d errors=%d snr=%d\n", cnt, packet_error, snr); | |
b63b36fa | 1587 | |
b1a88c71 MCC |
1588 | if ((snr >= 1500) && (packet_error < 0xff)) |
1589 | return LG3306_LOCK; | |
b63b36fa | 1590 | } |
b1a88c71 MCC |
1591 | |
1592 | dbg_info("not locked!\n"); | |
8e8cd34e | 1593 | return LG3306_UNLOCK; |
b63b36fa FR |
1594 | } |
1595 | ||
0df289a2 MCC |
1596 | static int lgdt3306a_read_status(struct dvb_frontend *fe, |
1597 | enum fe_status *status) | |
b63b36fa | 1598 | { |
b63b36fa | 1599 | struct lgdt3306a_state *state = fe->demodulator_priv; |
b63b36fa | 1600 | u16 strength = 0; |
8e8cd34e MIK |
1601 | int ret = 0; |
1602 | ||
b63b36fa FR |
1603 | if (fe->ops.tuner_ops.get_rf_strength) { |
1604 | ret = fe->ops.tuner_ops.get_rf_strength(fe, &strength); | |
c9897649 | 1605 | if (ret == 0) |
097117ca | 1606 | dbg_info("strength=%d\n", strength); |
c9897649 | 1607 | else |
097117ca | 1608 | dbg_info("fe->ops.tuner_ops.get_rf_strength() failed\n"); |
b63b36fa FR |
1609 | } |
1610 | ||
1611 | *status = 0; | |
8e8cd34e | 1612 | if (lgdt3306a_neverlock_poll(state) == LG3306_NL_LOCK) { |
b63b36fa FR |
1613 | *status |= FE_HAS_SIGNAL; |
1614 | *status |= FE_HAS_CARRIER; | |
1615 | ||
1616 | switch (state->current_modulation) { | |
1617 | case QAM_256: | |
1618 | case QAM_64: | |
4966c0c5 | 1619 | case QAM_AUTO: |
8e8cd34e | 1620 | if (lgdt3306a_qam_lock_poll(state) == LG3306_LOCK) { |
b63b36fa FR |
1621 | *status |= FE_HAS_VITERBI; |
1622 | *status |= FE_HAS_SYNC; | |
1623 | ||
1624 | *status |= FE_HAS_LOCK; | |
1625 | } | |
1626 | break; | |
1627 | case VSB_8: | |
8e8cd34e | 1628 | if (lgdt3306a_vsb_lock_poll(state) == LG3306_LOCK) { |
b63b36fa FR |
1629 | *status |= FE_HAS_VITERBI; |
1630 | *status |= FE_HAS_SYNC; | |
1631 | ||
1632 | *status |= FE_HAS_LOCK; | |
1633 | ||
ee0133ee | 1634 | ret = lgdt3306a_monitor_vsb(state); |
b63b36fa FR |
1635 | } |
1636 | break; | |
1637 | default: | |
1638 | ret = -EINVAL; | |
1639 | } | |
1640 | } | |
1641 | return ret; | |
1642 | } | |
1643 | ||
1644 | ||
1645 | static int lgdt3306a_read_snr(struct dvb_frontend *fe, u16 *snr) | |
1646 | { | |
1647 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
1648 | ||
1649 | state->snr = lgdt3306a_calculate_snr_x100(state); | |
1650 | /* report SNR in dB * 10 */ | |
1651 | *snr = state->snr/10; | |
1652 | ||
1653 | return 0; | |
1654 | } | |
1655 | ||
1656 | static int lgdt3306a_read_signal_strength(struct dvb_frontend *fe, | |
1657 | u16 *strength) | |
1658 | { | |
1659 | /* | |
1660 | * Calculate some sort of "strength" from SNR | |
1661 | */ | |
1662 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
4966c0c5 | 1663 | u8 val; |
34a5a2f8 | 1664 | u16 snr; /* snr_x10 */ |
b63b36fa | 1665 | int ret; |
8e8cd34e | 1666 | u32 ref_snr; /* snr*100 */ |
b63b36fa FR |
1667 | u32 str; |
1668 | ||
1669 | *strength = 0; | |
1670 | ||
1671 | switch (state->current_modulation) { | |
1672 | case VSB_8: | |
8e8cd34e | 1673 | ref_snr = 1600; /* 16dB */ |
b63b36fa FR |
1674 | break; |
1675 | case QAM_64: | |
b63b36fa | 1676 | case QAM_256: |
4966c0c5 BL |
1677 | case QAM_AUTO: |
1678 | /* need to know actual modulation to set proper SNR baseline */ | |
c9b7d8f2 KL |
1679 | ret = lgdt3306a_read_reg(state, 0x00a6, &val); |
1680 | if (lg_chkerr(ret)) | |
1681 | goto fail; | |
1682 | ||
4966c0c5 BL |
1683 | if(val & 0x04) |
1684 | ref_snr = 2800; /* QAM-256 28dB */ | |
1685 | else | |
1686 | ref_snr = 2200; /* QAM-64 22dB */ | |
1687 | break; | |
b63b36fa FR |
1688 | default: |
1689 | return -EINVAL; | |
1690 | } | |
1691 | ||
1692 | ret = fe->ops.read_snr(fe, &snr); | |
1693 | if (lg_chkerr(ret)) | |
1694 | goto fail; | |
1695 | ||
8e8cd34e | 1696 | if (state->snr <= (ref_snr - 100)) |
b63b36fa | 1697 | str = 0; |
8e8cd34e MIK |
1698 | else if (state->snr <= ref_snr) |
1699 | str = (0xffff * 65) / 100; /* 65% */ | |
b63b36fa FR |
1700 | else { |
1701 | str = state->snr - ref_snr; | |
1702 | str /= 50; | |
8e8cd34e MIK |
1703 | str += 78; /* 78%-100% */ |
1704 | if (str > 100) | |
b63b36fa FR |
1705 | str = 100; |
1706 | str = (0xffff * str) / 100; | |
1707 | } | |
1708 | *strength = (u16)str; | |
097117ca | 1709 | dbg_info("strength=%u\n", *strength); |
b63b36fa FR |
1710 | |
1711 | fail: | |
1712 | return ret; | |
1713 | } | |
1714 | ||
1715 | /* ------------------------------------------------------------------------ */ | |
1716 | ||
1717 | static int lgdt3306a_read_ber(struct dvb_frontend *fe, u32 *ber) | |
1718 | { | |
1719 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
1720 | u32 tmp; | |
1721 | ||
1722 | *ber = 0; | |
1723 | #if 1 | |
534f4364 | 1724 | /* FGR - FIXME - I don't know what value is expected by dvb_core |
8e8cd34e | 1725 | * what is the scale of the value?? */ |
4937ba94 MCC |
1726 | tmp = read_reg(state, 0x00fc); /* NBERVALUE[24-31] */ |
1727 | tmp = (tmp << 8) | read_reg(state, 0x00fd); /* NBERVALUE[16-23] */ | |
1728 | tmp = (tmp << 8) | read_reg(state, 0x00fe); /* NBERVALUE[8-15] */ | |
1729 | tmp = (tmp << 8) | read_reg(state, 0x00ff); /* NBERVALUE[0-7] */ | |
b63b36fa | 1730 | *ber = tmp; |
097117ca | 1731 | dbg_info("ber=%u\n", tmp); |
b63b36fa FR |
1732 | #endif |
1733 | return 0; | |
1734 | } | |
1735 | ||
1736 | static int lgdt3306a_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) | |
1737 | { | |
1738 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
1739 | ||
8e8cd34e | 1740 | *ucblocks = 0; |
b63b36fa | 1741 | #if 1 |
534f4364 | 1742 | /* FGR - FIXME - I don't know what value is expected by dvb_core |
8e8cd34e | 1743 | * what happens when value wraps? */ |
4937ba94 | 1744 | *ucblocks = read_reg(state, 0x00f4); /* TPIFTPERRCNT[0-7] */ |
097117ca | 1745 | dbg_info("ucblocks=%u\n", *ucblocks); |
b63b36fa FR |
1746 | #endif |
1747 | ||
1748 | return 0; | |
1749 | } | |
1750 | ||
534f4364 MCC |
1751 | static int lgdt3306a_tune(struct dvb_frontend *fe, bool re_tune, |
1752 | unsigned int mode_flags, unsigned int *delay, | |
0df289a2 | 1753 | enum fe_status *status) |
b63b36fa FR |
1754 | { |
1755 | int ret = 0; | |
1756 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
1757 | ||
097117ca | 1758 | dbg_info("re_tune=%u\n", re_tune); |
b63b36fa FR |
1759 | |
1760 | if (re_tune) { | |
8e8cd34e | 1761 | state->current_frequency = -1; /* force re-tune */ |
ae21e447 MIK |
1762 | ret = lgdt3306a_set_parameters(fe); |
1763 | if (ret != 0) | |
b63b36fa | 1764 | return ret; |
b63b36fa FR |
1765 | } |
1766 | *delay = 125; | |
1767 | ret = lgdt3306a_read_status(fe, status); | |
1768 | ||
1769 | return ret; | |
1770 | } | |
1771 | ||
1772 | static int lgdt3306a_get_tune_settings(struct dvb_frontend *fe, | |
8e8cd34e MIK |
1773 | struct dvb_frontend_tune_settings |
1774 | *fe_tune_settings) | |
b63b36fa FR |
1775 | { |
1776 | fe_tune_settings->min_delay_ms = 100; | |
097117ca | 1777 | dbg_info("\n"); |
b63b36fa FR |
1778 | return 0; |
1779 | } | |
1780 | ||
f172fe9f | 1781 | static enum dvbfe_search lgdt3306a_search(struct dvb_frontend *fe) |
b63b36fa | 1782 | { |
0df289a2 | 1783 | enum fe_status status = 0; |
dd14523a | 1784 | int ret; |
b63b36fa FR |
1785 | |
1786 | /* set frontend */ | |
1787 | ret = lgdt3306a_set_parameters(fe); | |
1788 | if (ret) | |
1789 | goto error; | |
1790 | ||
dd14523a AO |
1791 | ret = lgdt3306a_read_status(fe, &status); |
1792 | if (ret) | |
1793 | goto error; | |
b63b36fa FR |
1794 | |
1795 | /* check if we have a valid signal */ | |
8e8cd34e | 1796 | if (status & FE_HAS_LOCK) |
b63b36fa | 1797 | return DVBFE_ALGO_SEARCH_SUCCESS; |
8e8cd34e | 1798 | else |
b63b36fa | 1799 | return DVBFE_ALGO_SEARCH_AGAIN; |
b63b36fa FR |
1800 | |
1801 | error: | |
097117ca | 1802 | dbg_info("failed (%d)\n", ret); |
b63b36fa FR |
1803 | return DVBFE_ALGO_SEARCH_ERROR; |
1804 | } | |
1805 | ||
1806 | static void lgdt3306a_release(struct dvb_frontend *fe) | |
1807 | { | |
1808 | struct lgdt3306a_state *state = fe->demodulator_priv; | |
8e8cd34e | 1809 | |
097117ca | 1810 | dbg_info("\n"); |
f6618cc8 | 1811 | kfree(state); |
b63b36fa FR |
1812 | } |
1813 | ||
bd336e63 | 1814 | static const struct dvb_frontend_ops lgdt3306a_ops; |
b63b36fa FR |
1815 | |
1816 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, | |
c43e6512 | 1817 | struct i2c_adapter *i2c_adap) |
b63b36fa FR |
1818 | { |
1819 | struct lgdt3306a_state *state = NULL; | |
1820 | int ret; | |
1821 | u8 val; | |
1822 | ||
097117ca | 1823 | dbg_info("(%d-%04x)\n", |
b63b36fa FR |
1824 | i2c_adap ? i2c_adapter_id(i2c_adap) : 0, |
1825 | config ? config->i2c_addr : 0); | |
1826 | ||
1827 | state = kzalloc(sizeof(struct lgdt3306a_state), GFP_KERNEL); | |
1828 | if (state == NULL) | |
1829 | goto fail; | |
1830 | ||
1831 | state->cfg = config; | |
1832 | state->i2c_adap = i2c_adap; | |
1833 | ||
1834 | memcpy(&state->frontend.ops, &lgdt3306a_ops, | |
1835 | sizeof(struct dvb_frontend_ops)); | |
1836 | state->frontend.demodulator_priv = state; | |
1837 | ||
1838 | /* verify that we're talking to a lg3306a */ | |
8e8cd34e MIK |
1839 | /* FGR - NOTE - there is no obvious ChipId to check; we check |
1840 | * some "known" bits after reset, but it's still just a guess */ | |
b63b36fa FR |
1841 | ret = lgdt3306a_read_reg(state, 0x0000, &val); |
1842 | if (lg_chkerr(ret)) | |
1843 | goto fail; | |
8e8cd34e | 1844 | if ((val & 0x74) != 0x74) { |
097117ca | 1845 | pr_warn("expected 0x74, got 0x%x\n", (val & 0x74)); |
8e8cd34e | 1846 | #if 0 |
534f4364 MCC |
1847 | /* FIXME - re-enable when we know this is right */ |
1848 | goto fail; | |
8e8cd34e | 1849 | #endif |
b63b36fa FR |
1850 | } |
1851 | ret = lgdt3306a_read_reg(state, 0x0001, &val); | |
1852 | if (lg_chkerr(ret)) | |
1853 | goto fail; | |
4937ba94 | 1854 | if ((val & 0xf6) != 0xc6) { |
097117ca | 1855 | pr_warn("expected 0xc6, got 0x%x\n", (val & 0xf6)); |
8e8cd34e | 1856 | #if 0 |
534f4364 MCC |
1857 | /* FIXME - re-enable when we know this is right */ |
1858 | goto fail; | |
8e8cd34e | 1859 | #endif |
b63b36fa FR |
1860 | } |
1861 | ret = lgdt3306a_read_reg(state, 0x0002, &val); | |
1862 | if (lg_chkerr(ret)) | |
1863 | goto fail; | |
8e8cd34e | 1864 | if ((val & 0x73) != 0x03) { |
097117ca | 1865 | pr_warn("expected 0x03, got 0x%x\n", (val & 0x73)); |
8e8cd34e | 1866 | #if 0 |
534f4364 MCC |
1867 | /* FIXME - re-enable when we know this is right */ |
1868 | goto fail; | |
8e8cd34e | 1869 | #endif |
b63b36fa FR |
1870 | } |
1871 | ||
1872 | state->current_frequency = -1; | |
1873 | state->current_modulation = -1; | |
1874 | ||
1875 | lgdt3306a_sleep(state); | |
1876 | ||
1877 | return &state->frontend; | |
1878 | ||
1879 | fail: | |
097117ca | 1880 | pr_warn("unable to detect LGDT3306A hardware\n"); |
b63b36fa FR |
1881 | kfree(state); |
1882 | return NULL; | |
1883 | } | |
ebd9175e | 1884 | EXPORT_SYMBOL(lgdt3306a_attach); |
b63b36fa FR |
1885 | |
1886 | #ifdef DBG_DUMP | |
1887 | ||
1888 | static const short regtab[] = { | |
cb4671c8 MIK |
1889 | 0x0000, /* SOFTRSTB 1'b1 1'b1 1'b1 ADCPDB 1'b1 PLLPDB GBBPDB 11111111 */ |
1890 | 0x0001, /* 1'b1 1'b1 1'b0 1'b0 AUTORPTRS */ | |
1891 | 0x0002, /* NI2CRPTEN 1'b0 1'b0 1'b0 SPECINVAUT */ | |
1892 | 0x0003, /* AGCRFOUT */ | |
1893 | 0x0004, /* ADCSEL1V ADCCNT ADCCNF ADCCNS ADCCLKPLL */ | |
1894 | 0x0005, /* PLLINDIVSE */ | |
1895 | 0x0006, /* PLLCTRL[7:0] 11100001 */ | |
1896 | 0x0007, /* SYSINITWAITTIME[7:0] (msec) 00001000 */ | |
1897 | 0x0008, /* STDOPMODE[7:0] 10000000 */ | |
1898 | 0x0009, /* 1'b0 1'b0 1'b0 STDOPDETTMODE[2:0] STDOPDETCMODE[1:0] 00011110 */ | |
4937ba94 MCC |
1899 | 0x000a, /* DAFTEN 1'b1 x x SCSYSLOCK */ |
1900 | 0x000b, /* SCSYSLOCKCHKTIME[7:0] (10msec) 01100100 */ | |
1901 | 0x000d, /* x SAMPLING4 */ | |
1902 | 0x000e, /* SAMFREQ[15:8] 00000000 */ | |
1903 | 0x000f, /* SAMFREQ[7:0] 00000000 */ | |
cb4671c8 MIK |
1904 | 0x0010, /* IFFREQ[15:8] 01100000 */ |
1905 | 0x0011, /* IFFREQ[7:0] 00000000 */ | |
1906 | 0x0012, /* AGCEN AGCREFMO */ | |
1907 | 0x0013, /* AGCRFFIXB AGCIFFIXB AGCLOCKDETRNGSEL[1:0] 1'b1 1'b0 1'b0 1'b0 11101000 */ | |
1908 | 0x0014, /* AGCFIXVALUE[7:0] 01111111 */ | |
1909 | 0x0015, /* AGCREF[15:8] 00001010 */ | |
1910 | 0x0016, /* AGCREF[7:0] 11100100 */ | |
1911 | 0x0017, /* AGCDELAY[7:0] 00100000 */ | |
1912 | 0x0018, /* AGCRFBW[3:0] AGCIFBW[3:0] 10001000 */ | |
1913 | 0x0019, /* AGCUDOUTMODE[1:0] AGCUDCTRLLEN[1:0] AGCUDCTRL */ | |
4937ba94 MCC |
1914 | 0x001c, /* 1'b1 PFEN MFEN AICCVSYNC */ |
1915 | 0x001d, /* 1'b0 1'b1 1'b0 1'b1 AICCVSYNC */ | |
1916 | 0x001e, /* AICCALPHA[3:0] 1'b1 1'b0 1'b1 1'b0 01111010 */ | |
1917 | 0x001f, /* AICCDETTH[19:16] AICCOFFTH[19:16] 00000000 */ | |
cb4671c8 MIK |
1918 | 0x0020, /* AICCDETTH[15:8] 01111100 */ |
1919 | 0x0021, /* AICCDETTH[7:0] 00000000 */ | |
1920 | 0x0022, /* AICCOFFTH[15:8] 00000101 */ | |
1921 | 0x0023, /* AICCOFFTH[7:0] 11100000 */ | |
1922 | 0x0024, /* AICCOPMODE3[1:0] AICCOPMODE2[1:0] AICCOPMODE1[1:0] AICCOPMODE0[1:0] 00000000 */ | |
1923 | 0x0025, /* AICCFIXFREQ3[23:16] 00000000 */ | |
1924 | 0x0026, /* AICCFIXFREQ3[15:8] 00000000 */ | |
1925 | 0x0027, /* AICCFIXFREQ3[7:0] 00000000 */ | |
1926 | 0x0028, /* AICCFIXFREQ2[23:16] 00000000 */ | |
1927 | 0x0029, /* AICCFIXFREQ2[15:8] 00000000 */ | |
4937ba94 MCC |
1928 | 0x002a, /* AICCFIXFREQ2[7:0] 00000000 */ |
1929 | 0x002b, /* AICCFIXFREQ1[23:16] 00000000 */ | |
1930 | 0x002c, /* AICCFIXFREQ1[15:8] 00000000 */ | |
1931 | 0x002d, /* AICCFIXFREQ1[7:0] 00000000 */ | |
1932 | 0x002e, /* AICCFIXFREQ0[23:16] 00000000 */ | |
1933 | 0x002f, /* AICCFIXFREQ0[15:8] 00000000 */ | |
cb4671c8 MIK |
1934 | 0x0030, /* AICCFIXFREQ0[7:0] 00000000 */ |
1935 | 0x0031, /* 1'b0 1'b1 1'b0 1'b0 x DAGC1STER */ | |
1936 | 0x0032, /* DAGC1STEN DAGC1STER */ | |
1937 | 0x0033, /* DAGC1STREF[15:8] 00001010 */ | |
1938 | 0x0034, /* DAGC1STREF[7:0] 11100100 */ | |
1939 | 0x0035, /* DAGC2NDE */ | |
1940 | 0x0036, /* DAGC2NDREF[15:8] 00001010 */ | |
1941 | 0x0037, /* DAGC2NDREF[7:0] 10000000 */ | |
1942 | 0x0038, /* DAGC2NDLOCKDETRNGSEL[1:0] */ | |
4937ba94 | 1943 | 0x003d, /* 1'b1 SAMGEARS */ |
cb4671c8 MIK |
1944 | 0x0040, /* SAMLFGMA */ |
1945 | 0x0041, /* SAMLFBWM */ | |
1946 | 0x0044, /* 1'b1 CRGEARSHE */ | |
1947 | 0x0045, /* CRLFGMAN */ | |
1948 | 0x0046, /* CFLFBWMA */ | |
1949 | 0x0047, /* CRLFGMAN */ | |
1950 | 0x0048, /* x x x x CRLFGSTEP_VS[3:0] xxxx1001 */ | |
1951 | 0x0049, /* CRLFBWMA */ | |
4937ba94 | 1952 | 0x004a, /* CRLFBWMA */ |
cb4671c8 MIK |
1953 | 0x0050, /* 1'b0 1'b1 1'b1 1'b0 MSECALCDA */ |
1954 | 0x0070, /* TPOUTEN TPIFEN TPCLKOUTE */ | |
1955 | 0x0071, /* TPSENB TPSSOPBITE */ | |
1956 | 0x0073, /* TP47HINS x x CHBERINT PERMODE[1:0] PERINT[1:0] 1xx11100 */ | |
1957 | 0x0075, /* x x x x x IQSWAPCTRL[2:0] xxxxx000 */ | |
1958 | 0x0076, /* NBERCON NBERST NBERPOL NBERWSYN */ | |
1959 | 0x0077, /* x NBERLOSTTH[2:0] NBERACQTH[3:0] x0000000 */ | |
1960 | 0x0078, /* NBERPOLY[31:24] 00000000 */ | |
1961 | 0x0079, /* NBERPOLY[23:16] 00000000 */ | |
4937ba94 MCC |
1962 | 0x007a, /* NBERPOLY[15:8] 00000000 */ |
1963 | 0x007b, /* NBERPOLY[7:0] 00000000 */ | |
1964 | 0x007c, /* NBERPED[31:24] 00000000 */ | |
1965 | 0x007d, /* NBERPED[23:16] 00000000 */ | |
1966 | 0x007e, /* NBERPED[15:8] 00000000 */ | |
1967 | 0x007f, /* NBERPED[7:0] 00000000 */ | |
cb4671c8 MIK |
1968 | 0x0080, /* x AGCLOCK DAGCLOCK SYSLOCK x x NEVERLOCK[1:0] */ |
1969 | 0x0085, /* SPECINVST */ | |
1970 | 0x0088, /* SYSLOCKTIME[15:8] */ | |
1971 | 0x0089, /* SYSLOCKTIME[7:0] */ | |
4937ba94 MCC |
1972 | 0x008c, /* FECLOCKTIME[15:8] */ |
1973 | 0x008d, /* FECLOCKTIME[7:0] */ | |
1974 | 0x008e, /* AGCACCOUT[15:8] */ | |
1975 | 0x008f, /* AGCACCOUT[7:0] */ | |
cb4671c8 MIK |
1976 | 0x0090, /* AICCREJSTATUS[3:0] AICCREJBUSY[3:0] */ |
1977 | 0x0091, /* AICCVSYNC */ | |
4937ba94 MCC |
1978 | 0x009c, /* CARRFREQOFFSET[15:8] */ |
1979 | 0x009d, /* CARRFREQOFFSET[7:0] */ | |
1980 | 0x00a1, /* SAMFREQOFFSET[23:16] */ | |
1981 | 0x00a2, /* SAMFREQOFFSET[15:8] */ | |
1982 | 0x00a3, /* SAMFREQOFFSET[7:0] */ | |
1983 | 0x00a6, /* SYNCLOCK SYNCLOCKH */ | |
6da7ac98 | 1984 | #if 0 /* covered elsewhere */ |
4937ba94 MCC |
1985 | 0x00e8, /* CONSTPWR[15:8] */ |
1986 | 0x00e9, /* CONSTPWR[7:0] */ | |
1987 | 0x00ea, /* BMSE[15:8] */ | |
1988 | 0x00eb, /* BMSE[7:0] */ | |
1989 | 0x00ec, /* MSE[15:8] */ | |
1990 | 0x00ed, /* MSE[7:0] */ | |
1991 | 0x00ee, /* CONSTI[7:0] */ | |
1992 | 0x00ef, /* CONSTQ[7:0] */ | |
b63b36fa | 1993 | #endif |
4937ba94 MCC |
1994 | 0x00f4, /* TPIFTPERRCNT[7:0] */ |
1995 | 0x00f5, /* TPCORREC */ | |
1996 | 0x00f6, /* VBBER[15:8] */ | |
1997 | 0x00f7, /* VBBER[7:0] */ | |
1998 | 0x00f8, /* VABER[15:8] */ | |
1999 | 0x00f9, /* VABER[7:0] */ | |
2000 | 0x00fa, /* TPERRCNT[7:0] */ | |
2001 | 0x00fb, /* NBERLOCK x x x x x x x */ | |
2002 | 0x00fc, /* NBERVALUE[31:24] */ | |
2003 | 0x00fd, /* NBERVALUE[23:16] */ | |
2004 | 0x00fe, /* NBERVALUE[15:8] */ | |
2005 | 0x00ff, /* NBERVALUE[7:0] */ | |
cb4671c8 MIK |
2006 | 0x1000, /* 1'b0 WODAGCOU */ |
2007 | 0x1005, /* x x 1'b1 1'b1 x SRD_Q_QM */ | |
2008 | 0x1009, /* SRDWAITTIME[7:0] (10msec) 00100011 */ | |
4937ba94 MCC |
2009 | 0x100a, /* SRDWAITTIME_CQS[7:0] (msec) 01100100 */ |
2010 | 0x101a, /* x 1'b1 1'b0 1'b0 x QMDQAMMODE[2:0] x100x010 */ | |
cb4671c8 | 2011 | 0x1036, /* 1'b0 1'b1 1'b0 1'b0 SAMGSEND_CQS[3:0] 01001110 */ |
4937ba94 MCC |
2012 | 0x103c, /* SAMGSAUTOSTL_V[3:0] SAMGSAUTOEDL_V[3:0] 01000110 */ |
2013 | 0x103d, /* 1'b1 1'b1 SAMCNORMBP_V[1:0] 1'b0 1'b0 SAMMODESEL_V[1:0] 11100001 */ | |
2014 | 0x103f, /* SAMZTEDSE */ | |
2015 | 0x105d, /* EQSTATUSE */ | |
2016 | 0x105f, /* x PMAPG2_V[2:0] x DMAPG2_V[2:0] x001x011 */ | |
cb4671c8 MIK |
2017 | 0x1060, /* 1'b1 EQSTATUSE */ |
2018 | 0x1061, /* CRMAPBWSTL_V[3:0] CRMAPBWEDL_V[3:0] 00000100 */ | |
2019 | 0x1065, /* 1'b0 x CRMODE_V[1:0] 1'b1 x 1'b1 x 0x111x1x */ | |
2020 | 0x1066, /* 1'b0 1'b0 1'b1 1'b0 1'b1 PNBOOSTSE */ | |
2021 | 0x1068, /* CREPHNGAIN2_V[3:0] CREPHNPBW_V[3:0] 10010001 */ | |
4937ba94 MCC |
2022 | 0x106e, /* x x x x x CREPHNEN_ */ |
2023 | 0x106f, /* CREPHNTH_V[7:0] 00010101 */ | |
cb4671c8 MIK |
2024 | 0x1072, /* CRSWEEPN */ |
2025 | 0x1073, /* CRPGAIN_V[3:0] x x 1'b1 1'b1 1001xx11 */ | |
2026 | 0x1074, /* CRPBW_V[3:0] x x 1'b1 1'b1 0001xx11 */ | |
2027 | 0x1080, /* DAFTSTATUS[1:0] x x x x x x */ | |
2028 | 0x1081, /* SRDSTATUS[1:0] x x x x x SRDLOCK */ | |
4937ba94 MCC |
2029 | 0x10a9, /* EQSTATUS_CQS[1:0] x x x x x x */ |
2030 | 0x10b7, /* EQSTATUS_V[1:0] x x x x x x */ | |
6da7ac98 | 2031 | #if 0 /* SMART_ANT */ |
4937ba94 MCC |
2032 | 0x1f00, /* MODEDETE */ |
2033 | 0x1f01, /* x x x x x x x SFNRST xxxxxxx0 */ | |
2034 | 0x1f03, /* NUMOFANT[7:0] 10000000 */ | |
2035 | 0x1f04, /* x SELMASK[6:0] x0000000 */ | |
2036 | 0x1f05, /* x SETMASK[6:0] x0000000 */ | |
2037 | 0x1f06, /* x TXDATA[6:0] x0000000 */ | |
2038 | 0x1f07, /* x CHNUMBER[6:0] x0000000 */ | |
2039 | 0x1f09, /* AGCTIME[23:16] 10011000 */ | |
2040 | 0x1f0a, /* AGCTIME[15:8] 10010110 */ | |
2041 | 0x1f0b, /* AGCTIME[7:0] 10000000 */ | |
2042 | 0x1f0c, /* ANTTIME[31:24] 00000000 */ | |
2043 | 0x1f0d, /* ANTTIME[23:16] 00000011 */ | |
2044 | 0x1f0e, /* ANTTIME[15:8] 10010000 */ | |
2045 | 0x1f0f, /* ANTTIME[7:0] 10010000 */ | |
2046 | 0x1f11, /* SYNCTIME[23:16] 10011000 */ | |
2047 | 0x1f12, /* SYNCTIME[15:8] 10010110 */ | |
2048 | 0x1f13, /* SYNCTIME[7:0] 10000000 */ | |
2049 | 0x1f14, /* SNRTIME[31:24] 00000001 */ | |
2050 | 0x1f15, /* SNRTIME[23:16] 01111101 */ | |
2051 | 0x1f16, /* SNRTIME[15:8] 01111000 */ | |
2052 | 0x1f17, /* SNRTIME[7:0] 01000000 */ | |
2053 | 0x1f19, /* FECTIME[23:16] 00000000 */ | |
2054 | 0x1f1a, /* FECTIME[15:8] 01110010 */ | |
2055 | 0x1f1b, /* FECTIME[7:0] 01110000 */ | |
2056 | 0x1f1d, /* FECTHD[7:0] 00000011 */ | |
2057 | 0x1f1f, /* SNRTHD[23:16] 00001000 */ | |
2058 | 0x1f20, /* SNRTHD[15:8] 01111111 */ | |
2059 | 0x1f21, /* SNRTHD[7:0] 10000101 */ | |
2060 | 0x1f80, /* IRQFLG x x SFSDRFLG MODEBFLG SAVEFLG SCANFLG TRACKFLG */ | |
2061 | 0x1f81, /* x SYNCCON SNRCON FECCON x STDBUSY SYNCRST AGCFZCO */ | |
2062 | 0x1f82, /* x x x SCANOPCD[4:0] */ | |
2063 | 0x1f83, /* x x x x MAINOPCD[3:0] */ | |
2064 | 0x1f84, /* x x RXDATA[13:8] */ | |
2065 | 0x1f85, /* RXDATA[7:0] */ | |
2066 | 0x1f86, /* x x SDTDATA[13:8] */ | |
2067 | 0x1f87, /* SDTDATA[7:0] */ | |
2068 | 0x1f89, /* ANTSNR[23:16] */ | |
2069 | 0x1f8a, /* ANTSNR[15:8] */ | |
2070 | 0x1f8b, /* ANTSNR[7:0] */ | |
2071 | 0x1f8c, /* x x x x ANTFEC[13:8] */ | |
2072 | 0x1f8d, /* ANTFEC[7:0] */ | |
2073 | 0x1f8e, /* MAXCNT[7:0] */ | |
2074 | 0x1f8f, /* SCANCNT[7:0] */ | |
2075 | 0x1f91, /* MAXPW[23:16] */ | |
2076 | 0x1f92, /* MAXPW[15:8] */ | |
2077 | 0x1f93, /* MAXPW[7:0] */ | |
2078 | 0x1f95, /* CURPWMSE[23:16] */ | |
2079 | 0x1f96, /* CURPWMSE[15:8] */ | |
2080 | 0x1f97, /* CURPWMSE[7:0] */ | |
6da7ac98 | 2081 | #endif /* SMART_ANT */ |
4937ba94 MCC |
2082 | 0x211f, /* 1'b1 1'b1 1'b1 CIRQEN x x 1'b0 1'b0 1111xx00 */ |
2083 | 0x212a, /* EQAUTOST */ | |
cb4671c8 | 2084 | 0x2122, /* CHFAST[7:0] 01100000 */ |
4937ba94 MCC |
2085 | 0x212b, /* FFFSTEP_V[3:0] x FBFSTEP_V[2:0] 0001x001 */ |
2086 | 0x212c, /* PHDEROTBWSEL[3:0] 1'b1 1'b1 1'b1 1'b0 10001110 */ | |
2087 | 0x212d, /* 1'b1 1'b1 1'b1 1'b1 x x TPIFLOCKS */ | |
cb4671c8 MIK |
2088 | 0x2135, /* DYNTRACKFDEQ[3:0] x 1'b0 1'b0 1'b0 1010x000 */ |
2089 | 0x2141, /* TRMODE[1:0] 1'b1 1'b1 1'b0 1'b1 1'b1 1'b1 01110111 */ | |
2090 | 0x2162, /* AICCCTRLE */ | |
2091 | 0x2173, /* PHNCNFCNT[7:0] 00000100 */ | |
2092 | 0x2179, /* 1'b0 1'b0 1'b0 1'b1 x BADSINGLEDYNTRACKFBF[2:0] 0001x001 */ | |
4937ba94 MCC |
2093 | 0x217a, /* 1'b0 1'b0 1'b0 1'b1 x BADSLOWSINGLEDYNTRACKFBF[2:0] 0001x001 */ |
2094 | 0x217e, /* CNFCNTTPIF[7:0] 00001000 */ | |
2095 | 0x217f, /* TPERRCNTTPIF[7:0] 00000001 */ | |
cb4671c8 MIK |
2096 | 0x2180, /* x x x x x x FBDLYCIR[9:8] */ |
2097 | 0x2181, /* FBDLYCIR[7:0] */ | |
2098 | 0x2185, /* MAXPWRMAIN[7:0] */ | |
2099 | 0x2191, /* NCOMBDET x x x x x x x */ | |
2100 | 0x2199, /* x MAINSTRON */ | |
4937ba94 MCC |
2101 | 0x219a, /* FFFEQSTEPOUT_V[3:0] FBFSTEPOUT_V[2:0] */ |
2102 | 0x21a1, /* x x SNRREF[5:0] */ | |
cb4671c8 MIK |
2103 | 0x2845, /* 1'b0 1'b1 x x FFFSTEP_CQS[1:0] FFFCENTERTAP[1:0] 01xx1110 */ |
2104 | 0x2846, /* 1'b0 x 1'b0 1'b1 FBFSTEP_CQS[1:0] 1'b1 1'b0 0x011110 */ | |
2105 | 0x2847, /* ENNOSIGDE */ | |
2106 | 0x2849, /* 1'b1 1'b1 NOUSENOSI */ | |
4937ba94 | 2107 | 0x284a, /* EQINITWAITTIME[7:0] 01100100 */ |
cb4671c8 MIK |
2108 | 0x3000, /* 1'b1 1'b1 1'b1 x x x 1'b0 RPTRSTM */ |
2109 | 0x3001, /* RPTRSTWAITTIME[7:0] (100msec) 00110010 */ | |
2110 | 0x3031, /* FRAMELOC */ | |
2111 | 0x3032, /* 1'b1 1'b0 1'b0 1'b0 x x FRAMELOCKMODE_CQS[1:0] 1000xx11 */ | |
4937ba94 MCC |
2112 | 0x30a9, /* VDLOCK_Q FRAMELOCK */ |
2113 | 0x30aa, /* MPEGLOCK */ | |
b63b36fa FR |
2114 | }; |
2115 | ||
1f679ff6 | 2116 | #define numDumpRegs (ARRAY_SIZE(regtab)) |
b63b36fa FR |
2117 | static u8 regval1[numDumpRegs] = {0, }; |
2118 | static u8 regval2[numDumpRegs] = {0, }; | |
2119 | ||
2120 | static void lgdt3306a_DumpAllRegs(struct lgdt3306a_state *state) | |
2121 | { | |
2122 | memset(regval2, 0xff, sizeof(regval2)); | |
2123 | lgdt3306a_DumpRegs(state); | |
2124 | } | |
2125 | ||
2126 | static void lgdt3306a_DumpRegs(struct lgdt3306a_state *state) | |
2127 | { | |
2128 | int i; | |
2129 | int sav_debug = debug; | |
8e8cd34e | 2130 | |
b63b36fa FR |
2131 | if ((debug & DBG_DUMP) == 0) |
2132 | return; | |
831a9112 | 2133 | debug &= ~DBG_REG; /* suppress DBG_REG during reg dump */ |
b63b36fa | 2134 | |
097117ca | 2135 | lg_debug("\n"); |
b63b36fa | 2136 | |
8e8cd34e | 2137 | for (i = 0; i < numDumpRegs; i++) { |
b63b36fa | 2138 | lgdt3306a_read_reg(state, regtab[i], ®val1[i]); |
8e8cd34e | 2139 | if (regval1[i] != regval2[i]) { |
097117ca | 2140 | lg_debug(" %04X = %02X\n", regtab[i], regval1[i]); |
16afc672 | 2141 | regval2[i] = regval1[i]; |
b63b36fa FR |
2142 | } |
2143 | } | |
2144 | debug = sav_debug; | |
2145 | } | |
8e8cd34e | 2146 | #endif /* DBG_DUMP */ |
b63b36fa FR |
2147 | |
2148 | ||
2149 | ||
bd336e63 | 2150 | static const struct dvb_frontend_ops lgdt3306a_ops = { |
b63b36fa FR |
2151 | .delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B }, |
2152 | .info = { | |
2153 | .name = "LG Electronics LGDT3306A VSB/QAM Frontend", | |
f1b1eabf MCC |
2154 | .frequency_min_hz = 54 * MHz, |
2155 | .frequency_max_hz = 858 * MHz, | |
2156 | .frequency_stepsize_hz = 62500, | |
4966c0c5 | 2157 | .caps = FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB |
b63b36fa FR |
2158 | }, |
2159 | .i2c_gate_ctrl = lgdt3306a_i2c_gate_ctrl, | |
2160 | .init = lgdt3306a_init, | |
2161 | .sleep = lgdt3306a_fe_sleep, | |
2162 | /* if this is set, it overrides the default swzigzag */ | |
2163 | .tune = lgdt3306a_tune, | |
2164 | .set_frontend = lgdt3306a_set_parameters, | |
2165 | .get_frontend = lgdt3306a_get_frontend, | |
2166 | .get_frontend_algo = lgdt3306a_get_frontend_algo, | |
2167 | .get_tune_settings = lgdt3306a_get_tune_settings, | |
2168 | .read_status = lgdt3306a_read_status, | |
2169 | .read_ber = lgdt3306a_read_ber, | |
2170 | .read_signal_strength = lgdt3306a_read_signal_strength, | |
2171 | .read_snr = lgdt3306a_read_snr, | |
2172 | .read_ucblocks = lgdt3306a_read_ucblocks, | |
2173 | .release = lgdt3306a_release, | |
2174 | .ts_bus_ctrl = lgdt3306a_ts_bus_ctrl, | |
2175 | .search = lgdt3306a_search, | |
2176 | }; | |
2177 | ||
4f751890 KC |
2178 | static int lgdt3306a_select(struct i2c_mux_core *muxc, u32 chan) |
2179 | { | |
2180 | struct i2c_client *client = i2c_mux_priv(muxc); | |
2181 | struct lgdt3306a_state *state = i2c_get_clientdata(client); | |
2182 | ||
2183 | return lgdt3306a_i2c_gate_ctrl(&state->frontend, 1); | |
2184 | } | |
2185 | ||
2186 | static int lgdt3306a_deselect(struct i2c_mux_core *muxc, u32 chan) | |
2187 | { | |
2188 | struct i2c_client *client = i2c_mux_priv(muxc); | |
2189 | struct lgdt3306a_state *state = i2c_get_clientdata(client); | |
2190 | ||
2191 | return lgdt3306a_i2c_gate_ctrl(&state->frontend, 0); | |
2192 | } | |
2193 | ||
2194 | static int lgdt3306a_probe(struct i2c_client *client, | |
2195 | const struct i2c_device_id *id) | |
2196 | { | |
2197 | struct lgdt3306a_config *config; | |
2198 | struct lgdt3306a_state *state; | |
2199 | struct dvb_frontend *fe; | |
2200 | int ret; | |
2201 | ||
2c4746cf | 2202 | config = kmemdup(client->dev.platform_data, |
2203 | sizeof(struct lgdt3306a_config), GFP_KERNEL); | |
4f751890 KC |
2204 | if (config == NULL) { |
2205 | ret = -ENOMEM; | |
2206 | goto fail; | |
2207 | } | |
2208 | ||
4f751890 | 2209 | config->i2c_addr = client->addr; |
f6618cc8 | 2210 | fe = lgdt3306a_attach(config, client->adapter); |
4f751890 KC |
2211 | if (fe == NULL) { |
2212 | ret = -ENODEV; | |
2213 | goto err_fe; | |
2214 | } | |
2215 | ||
2216 | i2c_set_clientdata(client, fe->demodulator_priv); | |
2217 | state = fe->demodulator_priv; | |
5b3a8e90 | 2218 | state->frontend.ops.release = NULL; |
4f751890 KC |
2219 | |
2220 | /* create mux i2c adapter for tuner */ | |
2221 | state->muxc = i2c_mux_alloc(client->adapter, &client->dev, | |
2222 | 1, 0, I2C_MUX_LOCKED, | |
2223 | lgdt3306a_select, lgdt3306a_deselect); | |
2224 | if (!state->muxc) { | |
2225 | ret = -ENOMEM; | |
2226 | goto err_kfree; | |
2227 | } | |
2228 | state->muxc->priv = client; | |
2229 | ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); | |
2230 | if (ret) | |
2231 | goto err_kfree; | |
2232 | ||
2233 | /* create dvb_frontend */ | |
2234 | fe->ops.i2c_gate_ctrl = NULL; | |
2235 | *config->i2c_adapter = state->muxc->adapter[0]; | |
2236 | *config->fe = fe; | |
2237 | ||
e7f4d751 BL |
2238 | dev_info(&client->dev, "LG Electronics LGDT3306A successfully identified\n"); |
2239 | ||
4f751890 KC |
2240 | return 0; |
2241 | ||
2242 | err_kfree: | |
2243 | kfree(state); | |
2244 | err_fe: | |
2245 | kfree(config); | |
2246 | fail: | |
e7f4d751 | 2247 | dev_warn(&client->dev, "probe failed = %d\n", ret); |
4f751890 KC |
2248 | return ret; |
2249 | } | |
2250 | ||
2251 | static int lgdt3306a_remove(struct i2c_client *client) | |
2252 | { | |
2253 | struct lgdt3306a_state *state = i2c_get_clientdata(client); | |
2254 | ||
2255 | i2c_mux_del_adapters(state->muxc); | |
2256 | ||
2257 | state->frontend.ops.release = NULL; | |
2258 | state->frontend.demodulator_priv = NULL; | |
2259 | ||
2260 | kfree(state->cfg); | |
2261 | kfree(state); | |
2262 | ||
2263 | return 0; | |
2264 | } | |
2265 | ||
2266 | static const struct i2c_device_id lgdt3306a_id_table[] = { | |
2267 | {"lgdt3306a", 0}, | |
2268 | {} | |
2269 | }; | |
2270 | MODULE_DEVICE_TABLE(i2c, lgdt3306a_id_table); | |
2271 | ||
2272 | static struct i2c_driver lgdt3306a_driver = { | |
2273 | .driver = { | |
2274 | .name = "lgdt3306a", | |
2275 | .suppress_bind_attrs = true, | |
2276 | }, | |
2277 | .probe = lgdt3306a_probe, | |
2278 | .remove = lgdt3306a_remove, | |
2279 | .id_table = lgdt3306a_id_table, | |
2280 | }; | |
2281 | ||
2282 | module_i2c_driver(lgdt3306a_driver); | |
2283 | ||
b63b36fa FR |
2284 | MODULE_DESCRIPTION("LG Electronics LGDT3306A ATSC/QAM-B Demodulator Driver"); |
2285 | MODULE_AUTHOR("Fred Richter <frichter@hauppauge.com>"); | |
2286 | MODULE_LICENSE("GPL"); | |
2287 | MODULE_VERSION("0.2"); |