Commit | Line | Data |
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03245a5e OG |
1 | /* |
2 | * Linux-DVB Driver for DiBcom's DiB0090 base-band RF Tuner. | |
3 | * | |
4 | * Copyright (C) 2005-9 DiBcom (http://www.dibcom.fr/) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation; either version 2 of the | |
9 | * License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * | |
15 | * GNU General Public License for more details. | |
16 | * | |
03245a5e OG |
17 | * |
18 | * This code is more or less generated from another driver, please | |
19 | * excuse some codingstyle oddities. | |
20 | * | |
21 | */ | |
22 | ||
4bd1a8dd MCC |
23 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
24 | ||
03245a5e | 25 | #include <linux/kernel.h> |
5a0e3ad6 | 26 | #include <linux/slab.h> |
03245a5e | 27 | #include <linux/i2c.h> |
79fcce32 | 28 | #include <linux/mutex.h> |
03245a5e OG |
29 | |
30 | #include "dvb_frontend.h" | |
31 | ||
32 | #include "dib0090.h" | |
33 | #include "dibx000_common.h" | |
34 | ||
35 | static int debug; | |
36 | module_param(debug, int, 0644); | |
37 | MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); | |
38 | ||
4bd1a8dd MCC |
39 | #define dprintk(fmt, arg...) do { \ |
40 | if (debug) \ | |
41 | printk(KERN_DEBUG pr_fmt("%s: " fmt), \ | |
42 | __func__, ##arg); \ | |
03245a5e OG |
43 | } while (0) |
44 | ||
28fafca7 | 45 | #define CONFIG_SYS_DVBT |
03245a5e OG |
46 | #define CONFIG_SYS_ISDBT |
47 | #define CONFIG_BAND_CBAND | |
48 | #define CONFIG_BAND_VHF | |
49 | #define CONFIG_BAND_UHF | |
50 | #define CONFIG_DIB0090_USE_PWM_AGC | |
51 | ||
52 | #define EN_LNA0 0x8000 | |
53 | #define EN_LNA1 0x4000 | |
54 | #define EN_LNA2 0x2000 | |
55 | #define EN_LNA3 0x1000 | |
56 | #define EN_MIX0 0x0800 | |
57 | #define EN_MIX1 0x0400 | |
58 | #define EN_MIX2 0x0200 | |
59 | #define EN_MIX3 0x0100 | |
60 | #define EN_IQADC 0x0040 | |
61 | #define EN_PLL 0x0020 | |
62 | #define EN_TX 0x0010 | |
63 | #define EN_BB 0x0008 | |
64 | #define EN_LO 0x0004 | |
65 | #define EN_BIAS 0x0001 | |
66 | ||
67 | #define EN_IQANA 0x0002 | |
68 | #define EN_DIGCLK 0x0080 /* not in the 0x24 reg, only in 0x1b */ | |
69 | #define EN_CRYSTAL 0x0002 | |
70 | ||
71 | #define EN_UHF 0x22E9 | |
72 | #define EN_VHF 0x44E9 | |
73 | #define EN_LBD 0x11E9 | |
74 | #define EN_SBD 0x44E9 | |
75 | #define EN_CAB 0x88E9 | |
76 | ||
28fafca7 OG |
77 | /* Calibration defines */ |
78 | #define DC_CAL 0x1 | |
79 | #define WBD_CAL 0x2 | |
80 | #define TEMP_CAL 0x4 | |
81 | #define CAPTRIM_CAL 0x8 | |
82 | ||
83 | #define KROSUS_PLL_LOCKED 0x800 | |
84 | #define KROSUS 0x2 | |
85 | ||
86 | /* Use those defines to identify SOC version */ | |
87 | #define SOC 0x02 | |
88 | #define SOC_7090_P1G_11R1 0x82 | |
89 | #define SOC_7090_P1G_21R1 0x8a | |
90 | #define SOC_8090_P1G_11R1 0x86 | |
91 | #define SOC_8090_P1G_21R1 0x8e | |
92 | ||
93 | /* else use thos ones to check */ | |
94 | #define P1A_B 0x0 | |
95 | #define P1C 0x1 | |
96 | #define P1D_E_F 0x3 | |
97 | #define P1G 0x7 | |
98 | #define P1G_21R2 0xf | |
99 | ||
100 | #define MP001 0x1 /* Single 9090/8096 */ | |
101 | #define MP005 0x4 /* Single Sband */ | |
102 | #define MP008 0x6 /* Dual diversity VHF-UHF-LBAND */ | |
103 | #define MP009 0x7 /* Dual diversity 29098 CBAND-UHF-LBAND-SBAND */ | |
104 | ||
03245a5e OG |
105 | #define pgm_read_word(w) (*w) |
106 | ||
107 | struct dc_calibration; | |
108 | ||
109 | struct dib0090_tuning { | |
110 | u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */ | |
111 | u8 switch_trim; | |
112 | u8 lna_tune; | |
28fafca7 | 113 | u16 lna_bias; |
03245a5e OG |
114 | u16 v2i; |
115 | u16 mix; | |
116 | u16 load; | |
117 | u16 tuner_enable; | |
118 | }; | |
119 | ||
120 | struct dib0090_pll { | |
121 | u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */ | |
122 | u8 vco_band; | |
123 | u8 hfdiv_code; | |
124 | u8 hfdiv; | |
125 | u8 topresc; | |
126 | }; | |
127 | ||
28fafca7 OG |
128 | struct dib0090_identity { |
129 | u8 version; | |
130 | u8 product; | |
131 | u8 p1g; | |
132 | u8 in_soc; | |
133 | }; | |
134 | ||
03245a5e OG |
135 | struct dib0090_state { |
136 | struct i2c_adapter *i2c; | |
137 | struct dvb_frontend *fe; | |
138 | const struct dib0090_config *config; | |
139 | ||
140 | u8 current_band; | |
03245a5e OG |
141 | enum frontend_tune_state tune_state; |
142 | u32 current_rf; | |
143 | ||
144 | u16 wbd_offset; | |
145 | s16 wbd_target; /* in dB */ | |
146 | ||
147 | s16 rf_gain_limit; /* take-over-point: where to split between bb and rf gain */ | |
148 | s16 current_gain; /* keeps the currently programmed gain */ | |
149 | u8 agc_step; /* new binary search */ | |
150 | ||
151 | u16 gain[2]; /* for channel monitoring */ | |
152 | ||
153 | const u16 *rf_ramp; | |
154 | const u16 *bb_ramp; | |
155 | ||
156 | /* for the software AGC ramps */ | |
157 | u16 bb_1_def; | |
158 | u16 rf_lt_def; | |
159 | u16 gain_reg[4]; | |
160 | ||
161 | /* for the captrim/dc-offset search */ | |
162 | s8 step; | |
163 | s16 adc_diff; | |
164 | s16 min_adc_diff; | |
165 | ||
166 | s8 captrim; | |
167 | s8 fcaptrim; | |
168 | ||
169 | const struct dc_calibration *dc; | |
170 | u16 bb6, bb7; | |
171 | ||
172 | const struct dib0090_tuning *current_tune_table_index; | |
173 | const struct dib0090_pll *current_pll_table_index; | |
174 | ||
175 | u8 tuner_is_tuned; | |
176 | u8 agc_freeze; | |
177 | ||
28fafca7 OG |
178 | struct dib0090_identity identity; |
179 | ||
180 | u32 rf_request; | |
181 | u8 current_standard; | |
182 | ||
183 | u8 calibrate; | |
184 | u32 rest; | |
185 | u16 bias; | |
186 | s16 temperature; | |
187 | ||
188 | u8 wbd_calibration_gain; | |
189 | const struct dib0090_wbd_slope *current_wbd_table; | |
190 | u16 wbdmux; | |
5a0deeed OG |
191 | |
192 | /* for the I2C transfer */ | |
193 | struct i2c_msg msg[2]; | |
194 | u8 i2c_write_buffer[3]; | |
195 | u8 i2c_read_buffer[2]; | |
79fcce32 | 196 | struct mutex i2c_buffer_lock; |
28fafca7 OG |
197 | }; |
198 | ||
199 | struct dib0090_fw_state { | |
200 | struct i2c_adapter *i2c; | |
201 | struct dvb_frontend *fe; | |
202 | struct dib0090_identity identity; | |
203 | const struct dib0090_config *config; | |
5a0deeed OG |
204 | |
205 | /* for the I2C transfer */ | |
206 | struct i2c_msg msg; | |
207 | u8 i2c_write_buffer[2]; | |
208 | u8 i2c_read_buffer[2]; | |
79fcce32 | 209 | struct mutex i2c_buffer_lock; |
03245a5e OG |
210 | }; |
211 | ||
212 | static u16 dib0090_read_reg(struct dib0090_state *state, u8 reg) | |
213 | { | |
79fcce32 PB |
214 | u16 ret; |
215 | ||
216 | if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { | |
4bd1a8dd | 217 | dprintk("could not acquire lock\n"); |
79fcce32 PB |
218 | return 0; |
219 | } | |
220 | ||
5a0deeed OG |
221 | state->i2c_write_buffer[0] = reg; |
222 | ||
223 | memset(state->msg, 0, 2 * sizeof(struct i2c_msg)); | |
224 | state->msg[0].addr = state->config->i2c_address; | |
225 | state->msg[0].flags = 0; | |
226 | state->msg[0].buf = state->i2c_write_buffer; | |
227 | state->msg[0].len = 1; | |
228 | state->msg[1].addr = state->config->i2c_address; | |
229 | state->msg[1].flags = I2C_M_RD; | |
230 | state->msg[1].buf = state->i2c_read_buffer; | |
231 | state->msg[1].len = 2; | |
232 | ||
233 | if (i2c_transfer(state->i2c, state->msg, 2) != 2) { | |
4bd1a8dd | 234 | pr_warn("DiB0090 I2C read failed\n"); |
79fcce32 PB |
235 | ret = 0; |
236 | } else | |
237 | ret = (state->i2c_read_buffer[0] << 8) | |
238 | | state->i2c_read_buffer[1]; | |
5a0deeed | 239 | |
79fcce32 PB |
240 | mutex_unlock(&state->i2c_buffer_lock); |
241 | return ret; | |
03245a5e OG |
242 | } |
243 | ||
244 | static int dib0090_write_reg(struct dib0090_state *state, u32 reg, u16 val) | |
245 | { | |
79fcce32 PB |
246 | int ret; |
247 | ||
248 | if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { | |
4bd1a8dd | 249 | dprintk("could not acquire lock\n"); |
79fcce32 PB |
250 | return -EINVAL; |
251 | } | |
252 | ||
5a0deeed OG |
253 | state->i2c_write_buffer[0] = reg & 0xff; |
254 | state->i2c_write_buffer[1] = val >> 8; | |
255 | state->i2c_write_buffer[2] = val & 0xff; | |
256 | ||
257 | memset(state->msg, 0, sizeof(struct i2c_msg)); | |
258 | state->msg[0].addr = state->config->i2c_address; | |
259 | state->msg[0].flags = 0; | |
260 | state->msg[0].buf = state->i2c_write_buffer; | |
261 | state->msg[0].len = 3; | |
262 | ||
263 | if (i2c_transfer(state->i2c, state->msg, 1) != 1) { | |
4bd1a8dd | 264 | pr_warn("DiB0090 I2C write failed\n"); |
79fcce32 PB |
265 | ret = -EREMOTEIO; |
266 | } else | |
267 | ret = 0; | |
268 | ||
269 | mutex_unlock(&state->i2c_buffer_lock); | |
270 | return ret; | |
28fafca7 OG |
271 | } |
272 | ||
273 | static u16 dib0090_fw_read_reg(struct dib0090_fw_state *state, u8 reg) | |
274 | { | |
79fcce32 PB |
275 | u16 ret; |
276 | ||
277 | if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { | |
4bd1a8dd | 278 | dprintk("could not acquire lock\n"); |
79fcce32 PB |
279 | return 0; |
280 | } | |
281 | ||
5a0deeed OG |
282 | state->i2c_write_buffer[0] = reg; |
283 | ||
284 | memset(&state->msg, 0, sizeof(struct i2c_msg)); | |
285 | state->msg.addr = reg; | |
286 | state->msg.flags = I2C_M_RD; | |
287 | state->msg.buf = state->i2c_read_buffer; | |
288 | state->msg.len = 2; | |
289 | if (i2c_transfer(state->i2c, &state->msg, 1) != 1) { | |
4bd1a8dd | 290 | pr_warn("DiB0090 I2C read failed\n"); |
79fcce32 PB |
291 | ret = 0; |
292 | } else | |
293 | ret = (state->i2c_read_buffer[0] << 8) | |
294 | | state->i2c_read_buffer[1]; | |
295 | ||
296 | mutex_unlock(&state->i2c_buffer_lock); | |
297 | return ret; | |
28fafca7 OG |
298 | } |
299 | ||
300 | static int dib0090_fw_write_reg(struct dib0090_fw_state *state, u8 reg, u16 val) | |
301 | { | |
79fcce32 PB |
302 | int ret; |
303 | ||
304 | if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { | |
4bd1a8dd | 305 | dprintk("could not acquire lock\n"); |
79fcce32 PB |
306 | return -EINVAL; |
307 | } | |
308 | ||
5a0deeed OG |
309 | state->i2c_write_buffer[0] = val >> 8; |
310 | state->i2c_write_buffer[1] = val & 0xff; | |
311 | ||
312 | memset(&state->msg, 0, sizeof(struct i2c_msg)); | |
313 | state->msg.addr = reg; | |
314 | state->msg.flags = 0; | |
315 | state->msg.buf = state->i2c_write_buffer; | |
316 | state->msg.len = 2; | |
317 | if (i2c_transfer(state->i2c, &state->msg, 1) != 1) { | |
4bd1a8dd | 318 | pr_warn("DiB0090 I2C write failed\n"); |
79fcce32 PB |
319 | ret = -EREMOTEIO; |
320 | } else | |
321 | ret = 0; | |
322 | ||
323 | mutex_unlock(&state->i2c_buffer_lock); | |
324 | return ret; | |
03245a5e OG |
325 | } |
326 | ||
327 | #define HARD_RESET(state) do { if (cfg->reset) { if (cfg->sleep) cfg->sleep(fe, 0); msleep(10); cfg->reset(fe, 1); msleep(10); cfg->reset(fe, 0); msleep(10); } } while (0) | |
328 | #define ADC_TARGET -220 | |
329 | #define GAIN_ALPHA 5 | |
330 | #define WBD_ALPHA 6 | |
331 | #define LPF 100 | |
332 | static void dib0090_write_regs(struct dib0090_state *state, u8 r, const u16 * b, u8 c) | |
333 | { | |
334 | do { | |
335 | dib0090_write_reg(state, r++, *b++); | |
336 | } while (--c); | |
337 | } | |
338 | ||
28fafca7 | 339 | static int dib0090_identify(struct dvb_frontend *fe) |
03245a5e OG |
340 | { |
341 | struct dib0090_state *state = fe->tuner_priv; | |
342 | u16 v; | |
28fafca7 | 343 | struct dib0090_identity *identity = &state->identity; |
03245a5e OG |
344 | |
345 | v = dib0090_read_reg(state, 0x1a); | |
346 | ||
28fafca7 OG |
347 | identity->p1g = 0; |
348 | identity->in_soc = 0; | |
349 | ||
4bd1a8dd | 350 | dprintk("Tuner identification (Version = 0x%04x)\n", v); |
03245a5e OG |
351 | |
352 | /* without PLL lock info */ | |
28fafca7 | 353 | v &= ~KROSUS_PLL_LOCKED; |
03245a5e | 354 | |
28fafca7 OG |
355 | identity->version = v & 0xff; |
356 | identity->product = (v >> 8) & 0xf; | |
357 | ||
358 | if (identity->product != KROSUS) | |
359 | goto identification_error; | |
360 | ||
361 | if ((identity->version & 0x3) == SOC) { | |
362 | identity->in_soc = 1; | |
363 | switch (identity->version) { | |
364 | case SOC_8090_P1G_11R1: | |
4bd1a8dd | 365 | dprintk("SOC 8090 P1-G11R1 Has been detected\n"); |
28fafca7 OG |
366 | identity->p1g = 1; |
367 | break; | |
368 | case SOC_8090_P1G_21R1: | |
4bd1a8dd | 369 | dprintk("SOC 8090 P1-G21R1 Has been detected\n"); |
28fafca7 OG |
370 | identity->p1g = 1; |
371 | break; | |
372 | case SOC_7090_P1G_11R1: | |
4bd1a8dd | 373 | dprintk("SOC 7090 P1-G11R1 Has been detected\n"); |
28fafca7 OG |
374 | identity->p1g = 1; |
375 | break; | |
376 | case SOC_7090_P1G_21R1: | |
4bd1a8dd | 377 | dprintk("SOC 7090 P1-G21R1 Has been detected\n"); |
28fafca7 OG |
378 | identity->p1g = 1; |
379 | break; | |
380 | default: | |
381 | goto identification_error; | |
382 | } | |
383 | } else { | |
384 | switch ((identity->version >> 5) & 0x7) { | |
385 | case MP001: | |
4bd1a8dd | 386 | dprintk("MP001 : 9090/8096\n"); |
28fafca7 OG |
387 | break; |
388 | case MP005: | |
4bd1a8dd | 389 | dprintk("MP005 : Single Sband\n"); |
28fafca7 OG |
390 | break; |
391 | case MP008: | |
4bd1a8dd | 392 | dprintk("MP008 : diversity VHF-UHF-LBAND\n"); |
28fafca7 OG |
393 | break; |
394 | case MP009: | |
4bd1a8dd | 395 | dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND\n"); |
28fafca7 OG |
396 | break; |
397 | default: | |
398 | goto identification_error; | |
399 | } | |
400 | ||
401 | switch (identity->version & 0x1f) { | |
402 | case P1G_21R2: | |
4bd1a8dd | 403 | dprintk("P1G_21R2 detected\n"); |
28fafca7 OG |
404 | identity->p1g = 1; |
405 | break; | |
406 | case P1G: | |
4bd1a8dd | 407 | dprintk("P1G detected\n"); |
28fafca7 OG |
408 | identity->p1g = 1; |
409 | break; | |
410 | case P1D_E_F: | |
4bd1a8dd | 411 | dprintk("P1D/E/F detected\n"); |
28fafca7 OG |
412 | break; |
413 | case P1C: | |
4bd1a8dd | 414 | dprintk("P1C detected\n"); |
28fafca7 OG |
415 | break; |
416 | case P1A_B: | |
4bd1a8dd | 417 | dprintk("P1-A/B detected: driver is deactivated - not available\n"); |
28fafca7 OG |
418 | goto identification_error; |
419 | break; | |
420 | default: | |
421 | goto identification_error; | |
422 | } | |
03245a5e OG |
423 | } |
424 | ||
28fafca7 OG |
425 | return 0; |
426 | ||
b4d6046e | 427 | identification_error: |
28fafca7 OG |
428 | return -EIO; |
429 | } | |
430 | ||
431 | static int dib0090_fw_identify(struct dvb_frontend *fe) | |
432 | { | |
433 | struct dib0090_fw_state *state = fe->tuner_priv; | |
434 | struct dib0090_identity *identity = &state->identity; | |
435 | ||
436 | u16 v = dib0090_fw_read_reg(state, 0x1a); | |
437 | identity->p1g = 0; | |
438 | identity->in_soc = 0; | |
439 | ||
4bd1a8dd | 440 | dprintk("FE: Tuner identification (Version = 0x%04x)\n", v); |
28fafca7 OG |
441 | |
442 | /* without PLL lock info */ | |
443 | v &= ~KROSUS_PLL_LOCKED; | |
444 | ||
445 | identity->version = v & 0xff; | |
446 | identity->product = (v >> 8) & 0xf; | |
447 | ||
448 | if (identity->product != KROSUS) | |
449 | goto identification_error; | |
450 | ||
28fafca7 OG |
451 | if ((identity->version & 0x3) == SOC) { |
452 | identity->in_soc = 1; | |
453 | switch (identity->version) { | |
454 | case SOC_8090_P1G_11R1: | |
4bd1a8dd | 455 | dprintk("SOC 8090 P1-G11R1 Has been detected\n"); |
28fafca7 OG |
456 | identity->p1g = 1; |
457 | break; | |
458 | case SOC_8090_P1G_21R1: | |
4bd1a8dd | 459 | dprintk("SOC 8090 P1-G21R1 Has been detected\n"); |
28fafca7 OG |
460 | identity->p1g = 1; |
461 | break; | |
462 | case SOC_7090_P1G_11R1: | |
4bd1a8dd | 463 | dprintk("SOC 7090 P1-G11R1 Has been detected\n"); |
28fafca7 OG |
464 | identity->p1g = 1; |
465 | break; | |
466 | case SOC_7090_P1G_21R1: | |
4bd1a8dd | 467 | dprintk("SOC 7090 P1-G21R1 Has been detected\n"); |
28fafca7 OG |
468 | identity->p1g = 1; |
469 | break; | |
470 | default: | |
471 | goto identification_error; | |
472 | } | |
473 | } else { | |
474 | switch ((identity->version >> 5) & 0x7) { | |
475 | case MP001: | |
4bd1a8dd | 476 | dprintk("MP001 : 9090/8096\n"); |
28fafca7 OG |
477 | break; |
478 | case MP005: | |
4bd1a8dd | 479 | dprintk("MP005 : Single Sband\n"); |
28fafca7 OG |
480 | break; |
481 | case MP008: | |
4bd1a8dd | 482 | dprintk("MP008 : diversity VHF-UHF-LBAND\n"); |
28fafca7 OG |
483 | break; |
484 | case MP009: | |
4bd1a8dd | 485 | dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND\n"); |
28fafca7 OG |
486 | break; |
487 | default: | |
488 | goto identification_error; | |
489 | } | |
490 | ||
491 | switch (identity->version & 0x1f) { | |
492 | case P1G_21R2: | |
4bd1a8dd | 493 | dprintk("P1G_21R2 detected\n"); |
28fafca7 OG |
494 | identity->p1g = 1; |
495 | break; | |
496 | case P1G: | |
4bd1a8dd | 497 | dprintk("P1G detected\n"); |
28fafca7 OG |
498 | identity->p1g = 1; |
499 | break; | |
500 | case P1D_E_F: | |
4bd1a8dd | 501 | dprintk("P1D/E/F detected\n"); |
28fafca7 OG |
502 | break; |
503 | case P1C: | |
4bd1a8dd | 504 | dprintk("P1C detected\n"); |
28fafca7 OG |
505 | break; |
506 | case P1A_B: | |
4bd1a8dd | 507 | dprintk("P1-A/B detected: driver is deactivated - not available\n"); |
28fafca7 OG |
508 | goto identification_error; |
509 | break; | |
510 | default: | |
511 | goto identification_error; | |
512 | } | |
513 | } | |
514 | ||
515 | return 0; | |
516 | ||
b4d6046e | 517 | identification_error: |
f1ed3219 | 518 | return -EIO; |
03245a5e OG |
519 | } |
520 | ||
521 | static void dib0090_reset_digital(struct dvb_frontend *fe, const struct dib0090_config *cfg) | |
522 | { | |
523 | struct dib0090_state *state = fe->tuner_priv; | |
28fafca7 | 524 | u16 PllCfg, i, v; |
03245a5e OG |
525 | |
526 | HARD_RESET(state); | |
28fafca7 | 527 | dib0090_write_reg(state, 0x24, EN_PLL | EN_CRYSTAL); |
aedabf7a OG |
528 | if (cfg->in_soc) |
529 | return; | |
03245a5e | 530 | |
aedabf7a OG |
531 | dib0090_write_reg(state, 0x1b, EN_DIGCLK | EN_PLL | EN_CRYSTAL); /* PLL, DIG_CLK and CRYSTAL remain */ |
532 | /* adcClkOutRatio=8->7, release reset */ | |
533 | dib0090_write_reg(state, 0x20, ((cfg->io.adc_clock_ratio - 1) << 11) | (0 << 10) | (1 << 9) | (1 << 8) | (0 << 4) | 0); | |
534 | if (cfg->clkoutdrive != 0) | |
535 | dib0090_write_reg(state, 0x23, (0 << 15) | ((!cfg->analog_output) << 14) | (2 << 10) | (1 << 9) | (0 << 8) | |
536 | | (cfg->clkoutdrive << 5) | (cfg->clkouttobamse << 4) | (0 << 2) | (0)); | |
537 | else | |
538 | dib0090_write_reg(state, 0x23, (0 << 15) | ((!cfg->analog_output) << 14) | (2 << 10) | (1 << 9) | (0 << 8) | |
539 | | (7 << 5) | (cfg->clkouttobamse << 4) | (0 << 2) | (0)); | |
28fafca7 OG |
540 | |
541 | /* Read Pll current config * */ | |
542 | PllCfg = dib0090_read_reg(state, 0x21); | |
543 | ||
544 | /** Reconfigure PLL if current setting is different from default setting **/ | |
545 | if ((PllCfg & 0x1FFF) != ((cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv)) && (!cfg->in_soc) | |
546 | && !cfg->io.pll_bypass) { | |
547 | ||
548 | /* Set Bypass mode */ | |
549 | PllCfg |= (1 << 15); | |
550 | dib0090_write_reg(state, 0x21, PllCfg); | |
551 | ||
552 | /* Set Reset Pll */ | |
553 | PllCfg &= ~(1 << 13); | |
554 | dib0090_write_reg(state, 0x21, PllCfg); | |
555 | ||
556 | /*** Set new Pll configuration in bypass and reset state ***/ | |
557 | PllCfg = (1 << 15) | (0 << 13) | (cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv); | |
558 | dib0090_write_reg(state, 0x21, PllCfg); | |
559 | ||
560 | /* Remove Reset Pll */ | |
561 | PllCfg |= (1 << 13); | |
562 | dib0090_write_reg(state, 0x21, PllCfg); | |
563 | ||
564 | /*** Wait for PLL lock ***/ | |
565 | i = 100; | |
566 | do { | |
567 | v = !!(dib0090_read_reg(state, 0x1a) & 0x800); | |
568 | if (v) | |
569 | break; | |
570 | } while (--i); | |
571 | ||
572 | if (i == 0) { | |
4bd1a8dd | 573 | dprintk("Pll: Unable to lock Pll\n"); |
28fafca7 OG |
574 | return; |
575 | } | |
576 | ||
577 | /* Finally Remove Bypass mode */ | |
578 | PllCfg &= ~(1 << 15); | |
579 | dib0090_write_reg(state, 0x21, PllCfg); | |
580 | } | |
581 | ||
582 | if (cfg->io.pll_bypass) { | |
583 | PllCfg |= (cfg->io.pll_bypass << 15); | |
584 | dib0090_write_reg(state, 0x21, PllCfg); | |
585 | } | |
586 | } | |
587 | ||
588 | static int dib0090_fw_reset_digital(struct dvb_frontend *fe, const struct dib0090_config *cfg) | |
589 | { | |
590 | struct dib0090_fw_state *state = fe->tuner_priv; | |
591 | u16 PllCfg; | |
592 | u16 v; | |
593 | int i; | |
594 | ||
4bd1a8dd | 595 | dprintk("fw reset digital\n"); |
28fafca7 OG |
596 | HARD_RESET(state); |
597 | ||
598 | dib0090_fw_write_reg(state, 0x24, EN_PLL | EN_CRYSTAL); | |
599 | dib0090_fw_write_reg(state, 0x1b, EN_DIGCLK | EN_PLL | EN_CRYSTAL); /* PLL, DIG_CLK and CRYSTAL remain */ | |
600 | ||
601 | dib0090_fw_write_reg(state, 0x20, | |
602 | ((cfg->io.adc_clock_ratio - 1) << 11) | (0 << 10) | (1 << 9) | (1 << 8) | (cfg->data_tx_drv << 4) | cfg->ls_cfg_pad_drv); | |
603 | ||
604 | v = (0 << 15) | ((!cfg->analog_output) << 14) | (1 << 9) | (0 << 8) | (cfg->clkouttobamse << 4) | (0 << 2) | (0); | |
03245a5e | 605 | if (cfg->clkoutdrive != 0) |
28fafca7 | 606 | v |= cfg->clkoutdrive << 5; |
03245a5e | 607 | else |
28fafca7 OG |
608 | v |= 7 << 5; |
609 | ||
610 | v |= 2 << 10; | |
611 | dib0090_fw_write_reg(state, 0x23, v); | |
612 | ||
613 | /* Read Pll current config * */ | |
614 | PllCfg = dib0090_fw_read_reg(state, 0x21); | |
615 | ||
616 | /** Reconfigure PLL if current setting is different from default setting **/ | |
617 | if ((PllCfg & 0x1FFF) != ((cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv)) && !cfg->io.pll_bypass) { | |
03245a5e | 618 | |
28fafca7 OG |
619 | /* Set Bypass mode */ |
620 | PllCfg |= (1 << 15); | |
621 | dib0090_fw_write_reg(state, 0x21, PllCfg); | |
03245a5e | 622 | |
28fafca7 OG |
623 | /* Set Reset Pll */ |
624 | PllCfg &= ~(1 << 13); | |
625 | dib0090_fw_write_reg(state, 0x21, PllCfg); | |
626 | ||
627 | /*** Set new Pll configuration in bypass and reset state ***/ | |
628 | PllCfg = (1 << 15) | (0 << 13) | (cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv); | |
629 | dib0090_fw_write_reg(state, 0x21, PllCfg); | |
630 | ||
631 | /* Remove Reset Pll */ | |
632 | PllCfg |= (1 << 13); | |
633 | dib0090_fw_write_reg(state, 0x21, PllCfg); | |
634 | ||
635 | /*** Wait for PLL lock ***/ | |
636 | i = 100; | |
637 | do { | |
638 | v = !!(dib0090_fw_read_reg(state, 0x1a) & 0x800); | |
639 | if (v) | |
640 | break; | |
641 | } while (--i); | |
642 | ||
643 | if (i == 0) { | |
4bd1a8dd | 644 | dprintk("Pll: Unable to lock Pll\n"); |
28fafca7 OG |
645 | return -EIO; |
646 | } | |
647 | ||
648 | /* Finally Remove Bypass mode */ | |
649 | PllCfg &= ~(1 << 15); | |
650 | dib0090_fw_write_reg(state, 0x21, PllCfg); | |
651 | } | |
652 | ||
653 | if (cfg->io.pll_bypass) { | |
654 | PllCfg |= (cfg->io.pll_bypass << 15); | |
655 | dib0090_fw_write_reg(state, 0x21, PllCfg); | |
656 | } | |
657 | ||
658 | return dib0090_fw_identify(fe); | |
03245a5e OG |
659 | } |
660 | ||
661 | static int dib0090_wakeup(struct dvb_frontend *fe) | |
662 | { | |
663 | struct dib0090_state *state = fe->tuner_priv; | |
664 | if (state->config->sleep) | |
665 | state->config->sleep(fe, 0); | |
28fafca7 OG |
666 | |
667 | /* enable dataTX in case we have been restarted in the wrong moment */ | |
668 | dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) | (1 << 14)); | |
03245a5e OG |
669 | return 0; |
670 | } | |
671 | ||
672 | static int dib0090_sleep(struct dvb_frontend *fe) | |
673 | { | |
674 | struct dib0090_state *state = fe->tuner_priv; | |
675 | if (state->config->sleep) | |
676 | state->config->sleep(fe, 1); | |
677 | return 0; | |
678 | } | |
679 | ||
43e3e6d9 | 680 | void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast) |
03245a5e OG |
681 | { |
682 | struct dib0090_state *state = fe->tuner_priv; | |
683 | if (fast) | |
9c783036 | 684 | dib0090_write_reg(state, 0x04, 0); |
03245a5e | 685 | else |
9c783036 | 686 | dib0090_write_reg(state, 0x04, 1); |
03245a5e | 687 | } |
28fafca7 | 688 | |
03245a5e | 689 | EXPORT_SYMBOL(dib0090_dcc_freq); |
9c783036 | 690 | |
28fafca7 | 691 | static const u16 bb_ramp_pwm_normal_socs[] = { |
aedabf7a OG |
692 | 550, /* max BB gain in 10th of dB */ |
693 | (1<<9) | 8, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> BB_RAMP2 */ | |
28fafca7 | 694 | 440, |
aedabf7a OG |
695 | (4 << 9) | 0, /* BB_RAMP3 = 26dB */ |
696 | (0 << 9) | 208, /* BB_RAMP4 */ | |
697 | (4 << 9) | 208, /* BB_RAMP5 = 29dB */ | |
698 | (0 << 9) | 440, /* BB_RAMP6 */ | |
28fafca7 OG |
699 | }; |
700 | ||
aedabf7a OG |
701 | static const u16 rf_ramp_pwm_cband_7090p[] = { |
702 | 280, /* max RF gain in 10th of dB */ | |
703 | 18, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
704 | 504, /* ramp_max = maximum X used on the ramp */ | |
705 | (29 << 10) | 364, /* RF_RAMP5, LNA 1 = 8dB */ | |
706 | (0 << 10) | 504, /* RF_RAMP6, LNA 1 */ | |
707 | (60 << 10) | 228, /* RF_RAMP7, LNA 2 = 7.7dB */ | |
708 | (0 << 10) | 364, /* RF_RAMP8, LNA 2 */ | |
709 | (34 << 10) | 109, /* GAIN_4_1, LNA 3 = 6.8dB */ | |
710 | (0 << 10) | 228, /* GAIN_4_2, LNA 3 */ | |
711 | (37 << 10) | 0, /* RF_RAMP3, LNA 4 = 6.2dB */ | |
712 | (0 << 10) | 109, /* RF_RAMP4, LNA 4 */ | |
28fafca7 OG |
713 | }; |
714 | ||
aedabf7a OG |
715 | static const u16 rf_ramp_pwm_cband_7090e_sensitivity[] = { |
716 | 186, /* max RF gain in 10th of dB */ | |
717 | 40, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
718 | 746, /* ramp_max = maximum X used on the ramp */ | |
719 | (10 << 10) | 345, /* RF_RAMP5, LNA 1 = 10dB */ | |
720 | (0 << 10) | 746, /* RF_RAMP6, LNA 1 */ | |
721 | (0 << 10) | 0, /* RF_RAMP7, LNA 2 = 0 dB */ | |
722 | (0 << 10) | 0, /* RF_RAMP8, LNA 2 */ | |
723 | (28 << 10) | 200, /* GAIN_4_1, LNA 3 = 6.8dB */ /* 3.61 dB */ | |
724 | (0 << 10) | 345, /* GAIN_4_2, LNA 3 */ | |
725 | (20 << 10) | 0, /* RF_RAMP3, LNA 4 = 6.2dB */ /* 4.96 dB */ | |
726 | (0 << 10) | 200, /* RF_RAMP4, LNA 4 */ | |
6724a2f4 OG |
727 | }; |
728 | ||
aedabf7a OG |
729 | static const u16 rf_ramp_pwm_cband_7090e_aci[] = { |
730 | 86, /* max RF gain in 10th of dB */ | |
731 | 40, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
732 | 345, /* ramp_max = maximum X used on the ramp */ | |
733 | (0 << 10) | 0, /* RF_RAMP5, LNA 1 = 8dB */ /* 7.47 dB */ | |
734 | (0 << 10) | 0, /* RF_RAMP6, LNA 1 */ | |
735 | (0 << 10) | 0, /* RF_RAMP7, LNA 2 = 0 dB */ | |
736 | (0 << 10) | 0, /* RF_RAMP8, LNA 2 */ | |
737 | (28 << 10) | 200, /* GAIN_4_1, LNA 3 = 6.8dB */ /* 3.61 dB */ | |
738 | (0 << 10) | 345, /* GAIN_4_2, LNA 3 */ | |
739 | (20 << 10) | 0, /* RF_RAMP3, LNA 4 = 6.2dB */ /* 4.96 dB */ | |
740 | (0 << 10) | 200, /* RF_RAMP4, LNA 4 */ | |
6724a2f4 OG |
741 | }; |
742 | ||
28fafca7 | 743 | static const u16 rf_ramp_pwm_cband_8090[] = { |
aedabf7a OG |
744 | 345, /* max RF gain in 10th of dB */ |
745 | 29, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
746 | 1000, /* ramp_max = maximum X used on the ramp */ | |
747 | (35 << 10) | 772, /* RF_RAMP3, LNA 1 = 8dB */ | |
748 | (0 << 10) | 1000, /* RF_RAMP4, LNA 1 */ | |
749 | (58 << 10) | 496, /* RF_RAMP5, LNA 2 = 9.5dB */ | |
750 | (0 << 10) | 772, /* RF_RAMP6, LNA 2 */ | |
751 | (27 << 10) | 200, /* RF_RAMP7, LNA 3 = 10.5dB */ | |
752 | (0 << 10) | 496, /* RF_RAMP8, LNA 3 */ | |
753 | (40 << 10) | 0, /* GAIN_4_1, LNA 4 = 7dB */ | |
754 | (0 << 10) | 200, /* GAIN_4_2, LNA 4 */ | |
28fafca7 OG |
755 | }; |
756 | ||
757 | static const u16 rf_ramp_pwm_uhf_7090[] = { | |
aedabf7a OG |
758 | 407, /* max RF gain in 10th of dB */ |
759 | 13, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
760 | 529, /* ramp_max = maximum X used on the ramp */ | |
761 | (23 << 10) | 0, /* RF_RAMP3, LNA 1 = 14.7dB */ | |
762 | (0 << 10) | 176, /* RF_RAMP4, LNA 1 */ | |
763 | (63 << 10) | 400, /* RF_RAMP5, LNA 2 = 8dB */ | |
764 | (0 << 10) | 529, /* RF_RAMP6, LNA 2 */ | |
765 | (48 << 10) | 316, /* RF_RAMP7, LNA 3 = 6.8dB */ | |
766 | (0 << 10) | 400, /* RF_RAMP8, LNA 3 */ | |
767 | (29 << 10) | 176, /* GAIN_4_1, LNA 4 = 11.5dB */ | |
768 | (0 << 10) | 316, /* GAIN_4_2, LNA 4 */ | |
28fafca7 OG |
769 | }; |
770 | ||
771 | static const u16 rf_ramp_pwm_uhf_8090[] = { | |
aedabf7a OG |
772 | 388, /* max RF gain in 10th of dB */ |
773 | 26, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
774 | 1008, /* ramp_max = maximum X used on the ramp */ | |
775 | (11 << 10) | 0, /* RF_RAMP3, LNA 1 = 14.7dB */ | |
776 | (0 << 10) | 369, /* RF_RAMP4, LNA 1 */ | |
777 | (41 << 10) | 809, /* RF_RAMP5, LNA 2 = 8dB */ | |
778 | (0 << 10) | 1008, /* RF_RAMP6, LNA 2 */ | |
779 | (27 << 10) | 659, /* RF_RAMP7, LNA 3 = 6dB */ | |
780 | (0 << 10) | 809, /* RF_RAMP8, LNA 3 */ | |
781 | (14 << 10) | 369, /* GAIN_4_1, LNA 4 = 11.5dB */ | |
782 | (0 << 10) | 659, /* GAIN_4_2, LNA 4 */ | |
28fafca7 OG |
783 | }; |
784 | ||
aedabf7a OG |
785 | /* GENERAL PWM ramp definition for all other Krosus */ |
786 | static const u16 bb_ramp_pwm_normal[] = { | |
787 | 500, /* max BB gain in 10th of dB */ | |
788 | 8, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> BB_RAMP2 */ | |
789 | 400, | |
790 | (2 << 9) | 0, /* BB_RAMP3 = 21dB */ | |
791 | (0 << 9) | 168, /* BB_RAMP4 */ | |
792 | (2 << 9) | 168, /* BB_RAMP5 = 29dB */ | |
793 | (0 << 9) | 400, /* BB_RAMP6 */ | |
03245a5e OG |
794 | }; |
795 | ||
cf47faca MCC |
796 | #if 0 |
797 | /* Currently unused */ | |
aedabf7a OG |
798 | static const u16 bb_ramp_pwm_boost[] = { |
799 | 550, /* max BB gain in 10th of dB */ | |
800 | 8, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> BB_RAMP2 */ | |
801 | 440, | |
802 | (2 << 9) | 0, /* BB_RAMP3 = 26dB */ | |
803 | (0 << 9) | 208, /* BB_RAMP4 */ | |
804 | (2 << 9) | 208, /* BB_RAMP5 = 29dB */ | |
805 | (0 << 9) | 440, /* BB_RAMP6 */ | |
28fafca7 | 806 | }; |
cf47faca | 807 | #endif |
28fafca7 | 808 | |
aedabf7a OG |
809 | static const u16 rf_ramp_pwm_cband[] = { |
810 | 314, /* max RF gain in 10th of dB */ | |
811 | 33, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
812 | 1023, /* ramp_max = maximum X used on the ramp */ | |
813 | (8 << 10) | 743, /* RF_RAMP3, LNA 1 = 0dB */ | |
814 | (0 << 10) | 1023, /* RF_RAMP4, LNA 1 */ | |
815 | (15 << 10) | 469, /* RF_RAMP5, LNA 2 = 0dB */ | |
816 | (0 << 10) | 742, /* RF_RAMP6, LNA 2 */ | |
817 | (9 << 10) | 234, /* RF_RAMP7, LNA 3 = 0dB */ | |
818 | (0 << 10) | 468, /* RF_RAMP8, LNA 3 */ | |
819 | (9 << 10) | 0, /* GAIN_4_1, LNA 4 = 0dB */ | |
820 | (0 << 10) | 233, /* GAIN_4_2, LNA 4 */ | |
03245a5e OG |
821 | }; |
822 | ||
823 | static const u16 rf_ramp_pwm_vhf[] = { | |
aedabf7a OG |
824 | 398, /* max RF gain in 10th of dB */ |
825 | 24, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
826 | 954, /* ramp_max = maximum X used on the ramp */ | |
827 | (7 << 10) | 0, /* RF_RAMP3, LNA 1 = 13.2dB */ | |
828 | (0 << 10) | 290, /* RF_RAMP4, LNA 1 */ | |
829 | (16 << 10) | 699, /* RF_RAMP5, LNA 2 = 10.5dB */ | |
830 | (0 << 10) | 954, /* RF_RAMP6, LNA 2 */ | |
831 | (17 << 10) | 580, /* RF_RAMP7, LNA 3 = 5dB */ | |
832 | (0 << 10) | 699, /* RF_RAMP8, LNA 3 */ | |
833 | (7 << 10) | 290, /* GAIN_4_1, LNA 4 = 12.5dB */ | |
834 | (0 << 10) | 580, /* GAIN_4_2, LNA 4 */ | |
03245a5e OG |
835 | }; |
836 | ||
837 | static const u16 rf_ramp_pwm_uhf[] = { | |
aedabf7a OG |
838 | 398, /* max RF gain in 10th of dB */ |
839 | 24, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
840 | 954, /* ramp_max = maximum X used on the ramp */ | |
841 | (7 << 10) | 0, /* RF_RAMP3, LNA 1 = 13.2dB */ | |
842 | (0 << 10) | 290, /* RF_RAMP4, LNA 1 */ | |
843 | (16 << 10) | 699, /* RF_RAMP5, LNA 2 = 10.5dB */ | |
844 | (0 << 10) | 954, /* RF_RAMP6, LNA 2 */ | |
845 | (17 << 10) | 580, /* RF_RAMP7, LNA 3 = 5dB */ | |
846 | (0 << 10) | 699, /* RF_RAMP8, LNA 3 */ | |
847 | (7 << 10) | 290, /* GAIN_4_1, LNA 4 = 12.5dB */ | |
848 | (0 << 10) | 580, /* GAIN_4_2, LNA 4 */ | |
03245a5e OG |
849 | }; |
850 | ||
cf47faca MCC |
851 | #if 0 |
852 | /* Currently unused */ | |
aedabf7a OG |
853 | static const u16 rf_ramp_pwm_sband[] = { |
854 | 253, /* max RF gain in 10th of dB */ | |
855 | 38, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ | |
856 | 961, | |
857 | (4 << 10) | 0, /* RF_RAMP3, LNA 1 = 14.1dB */ | |
858 | (0 << 10) | 508, /* RF_RAMP4, LNA 1 */ | |
859 | (9 << 10) | 508, /* RF_RAMP5, LNA 2 = 11.2dB */ | |
860 | (0 << 10) | 961, /* RF_RAMP6, LNA 2 */ | |
861 | (0 << 10) | 0, /* RF_RAMP7, LNA 3 = 0dB */ | |
862 | (0 << 10) | 0, /* RF_RAMP8, LNA 3 */ | |
863 | (0 << 10) | 0, /* GAIN_4_1, LNA 4 = 0dB */ | |
864 | (0 << 10) | 0, /* GAIN_4_2, LNA 4 */ | |
03245a5e | 865 | }; |
cf47faca | 866 | #endif |
03245a5e OG |
867 | |
868 | struct slope { | |
28fafca7 OG |
869 | s16 range; |
870 | s16 slope; | |
03245a5e OG |
871 | }; |
872 | static u16 slopes_to_scale(const struct slope *slopes, u8 num, s16 val) | |
873 | { | |
874 | u8 i; | |
875 | u16 rest; | |
876 | u16 ret = 0; | |
877 | for (i = 0; i < num; i++) { | |
878 | if (val > slopes[i].range) | |
879 | rest = slopes[i].range; | |
880 | else | |
881 | rest = val; | |
882 | ret += (rest * slopes[i].slope) / slopes[i].range; | |
883 | val -= rest; | |
884 | } | |
885 | return ret; | |
886 | } | |
887 | ||
888 | static const struct slope dib0090_wbd_slopes[3] = { | |
889 | {66, 120}, /* -64,-52: offset - 65 */ | |
890 | {600, 170}, /* -52,-35: 65 - 665 */ | |
891 | {170, 250}, /* -45,-10: 665 - 835 */ | |
892 | }; | |
893 | ||
894 | static s16 dib0090_wbd_to_db(struct dib0090_state *state, u16 wbd) | |
895 | { | |
896 | wbd &= 0x3ff; | |
897 | if (wbd < state->wbd_offset) | |
898 | wbd = 0; | |
899 | else | |
900 | wbd -= state->wbd_offset; | |
901 | /* -64dB is the floor */ | |
902 | return -640 + (s16) slopes_to_scale(dib0090_wbd_slopes, ARRAY_SIZE(dib0090_wbd_slopes), wbd); | |
903 | } | |
904 | ||
905 | static void dib0090_wbd_target(struct dib0090_state *state, u32 rf) | |
906 | { | |
907 | u16 offset = 250; | |
908 | ||
909 | /* TODO : DAB digital N+/-1 interferer perfs : offset = 10 */ | |
910 | ||
911 | if (state->current_band == BAND_VHF) | |
912 | offset = 650; | |
913 | #ifndef FIRMWARE_FIREFLY | |
914 | if (state->current_band == BAND_VHF) | |
915 | offset = state->config->wbd_vhf_offset; | |
916 | if (state->current_band == BAND_CBAND) | |
917 | offset = state->config->wbd_cband_offset; | |
918 | #endif | |
919 | ||
920 | state->wbd_target = dib0090_wbd_to_db(state, state->wbd_offset + offset); | |
4bd1a8dd | 921 | dprintk("wbd-target: %d dB\n", (u32) state->wbd_target); |
03245a5e OG |
922 | } |
923 | ||
924 | static const int gain_reg_addr[4] = { | |
925 | 0x08, 0x0a, 0x0f, 0x01 | |
926 | }; | |
927 | ||
928 | static void dib0090_gain_apply(struct dib0090_state *state, s16 gain_delta, s16 top_delta, u8 force) | |
929 | { | |
930 | u16 rf, bb, ref; | |
931 | u16 i, v, gain_reg[4] = { 0 }, gain; | |
932 | const u16 *g; | |
933 | ||
934 | if (top_delta < -511) | |
935 | top_delta = -511; | |
936 | if (top_delta > 511) | |
937 | top_delta = 511; | |
938 | ||
939 | if (force) { | |
940 | top_delta *= (1 << WBD_ALPHA); | |
941 | gain_delta *= (1 << GAIN_ALPHA); | |
942 | } | |
943 | ||
944 | if (top_delta >= ((s16) (state->rf_ramp[0] << WBD_ALPHA) - state->rf_gain_limit)) /* overflow */ | |
945 | state->rf_gain_limit = state->rf_ramp[0] << WBD_ALPHA; | |
946 | else | |
947 | state->rf_gain_limit += top_delta; | |
948 | ||
949 | if (state->rf_gain_limit < 0) /*underflow */ | |
950 | state->rf_gain_limit = 0; | |
951 | ||
952 | /* use gain as a temporary variable and correct current_gain */ | |
953 | gain = ((state->rf_gain_limit >> WBD_ALPHA) + state->bb_ramp[0]) << GAIN_ALPHA; | |
954 | if (gain_delta >= ((s16) gain - state->current_gain)) /* overflow */ | |
955 | state->current_gain = gain; | |
956 | else | |
957 | state->current_gain += gain_delta; | |
958 | /* cannot be less than 0 (only if gain_delta is less than 0 we can have current_gain < 0) */ | |
959 | if (state->current_gain < 0) | |
960 | state->current_gain = 0; | |
961 | ||
962 | /* now split total gain to rf and bb gain */ | |
963 | gain = state->current_gain >> GAIN_ALPHA; | |
964 | ||
965 | /* requested gain is bigger than rf gain limit - ACI/WBD adjustment */ | |
966 | if (gain > (state->rf_gain_limit >> WBD_ALPHA)) { | |
967 | rf = state->rf_gain_limit >> WBD_ALPHA; | |
968 | bb = gain - rf; | |
969 | if (bb > state->bb_ramp[0]) | |
970 | bb = state->bb_ramp[0]; | |
971 | } else { /* high signal level -> all gains put on RF */ | |
972 | rf = gain; | |
973 | bb = 0; | |
974 | } | |
975 | ||
976 | state->gain[0] = rf; | |
977 | state->gain[1] = bb; | |
978 | ||
979 | /* software ramp */ | |
980 | /* Start with RF gains */ | |
981 | g = state->rf_ramp + 1; /* point on RF LNA1 max gain */ | |
982 | ref = rf; | |
983 | for (i = 0; i < 7; i++) { /* Go over all amplifiers => 5RF amps + 2 BB amps = 7 amps */ | |
984 | if (g[0] == 0 || ref < (g[1] - g[0])) /* if total gain of the current amp is null or this amp is not concerned because it starts to work from an higher gain value */ | |
985 | v = 0; /* force the gain to write for the current amp to be null */ | |
986 | else if (ref >= g[1]) /* Gain to set is higher than the high working point of this amp */ | |
987 | v = g[2]; /* force this amp to be full gain */ | |
988 | else /* compute the value to set to this amp because we are somewhere in his range */ | |
989 | v = ((ref - (g[1] - g[0])) * g[2]) / g[0]; | |
990 | ||
991 | if (i == 0) /* LNA 1 reg mapping */ | |
992 | gain_reg[0] = v; | |
993 | else if (i == 1) /* LNA 2 reg mapping */ | |
994 | gain_reg[0] |= v << 7; | |
995 | else if (i == 2) /* LNA 3 reg mapping */ | |
996 | gain_reg[1] = v; | |
997 | else if (i == 3) /* LNA 4 reg mapping */ | |
998 | gain_reg[1] |= v << 7; | |
999 | else if (i == 4) /* CBAND LNA reg mapping */ | |
1000 | gain_reg[2] = v | state->rf_lt_def; | |
1001 | else if (i == 5) /* BB gain 1 reg mapping */ | |
1002 | gain_reg[3] = v << 3; | |
1003 | else if (i == 6) /* BB gain 2 reg mapping */ | |
1004 | gain_reg[3] |= v << 8; | |
1005 | ||
1006 | g += 3; /* go to next gain bloc */ | |
1007 | ||
1008 | /* When RF is finished, start with BB */ | |
1009 | if (i == 4) { | |
1010 | g = state->bb_ramp + 1; /* point on BB gain 1 max gain */ | |
1011 | ref = bb; | |
1012 | } | |
1013 | } | |
1014 | gain_reg[3] |= state->bb_1_def; | |
1015 | gain_reg[3] |= ((bb % 10) * 100) / 125; | |
1016 | ||
1017 | #ifdef DEBUG_AGC | |
4bd1a8dd | 1018 | dprintk("GA CALC: DB: %3d(rf) + %3d(bb) = %3d gain_reg[0]=%04x gain_reg[1]=%04x gain_reg[2]=%04x gain_reg[0]=%04x\n", rf, bb, rf + bb, |
03245a5e OG |
1019 | gain_reg[0], gain_reg[1], gain_reg[2], gain_reg[3]); |
1020 | #endif | |
1021 | ||
1022 | /* Write the amplifier regs */ | |
1023 | for (i = 0; i < 4; i++) { | |
1024 | v = gain_reg[i]; | |
1025 | if (force || state->gain_reg[i] != v) { | |
1026 | state->gain_reg[i] = v; | |
1027 | dib0090_write_reg(state, gain_reg_addr[i], v); | |
1028 | } | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | static void dib0090_set_boost(struct dib0090_state *state, int onoff) | |
1033 | { | |
1034 | state->bb_1_def &= 0xdfff; | |
1035 | state->bb_1_def |= onoff << 13; | |
1036 | } | |
1037 | ||
1038 | static void dib0090_set_rframp(struct dib0090_state *state, const u16 * cfg) | |
1039 | { | |
1040 | state->rf_ramp = cfg; | |
1041 | } | |
1042 | ||
1043 | static void dib0090_set_rframp_pwm(struct dib0090_state *state, const u16 * cfg) | |
1044 | { | |
1045 | state->rf_ramp = cfg; | |
1046 | ||
1047 | dib0090_write_reg(state, 0x2a, 0xffff); | |
1048 | ||
4bd1a8dd | 1049 | dprintk("total RF gain: %ddB, step: %d\n", (u32) cfg[0], dib0090_read_reg(state, 0x2a)); |
03245a5e OG |
1050 | |
1051 | dib0090_write_regs(state, 0x2c, cfg + 3, 6); | |
1052 | dib0090_write_regs(state, 0x3e, cfg + 9, 2); | |
1053 | } | |
1054 | ||
1055 | static void dib0090_set_bbramp(struct dib0090_state *state, const u16 * cfg) | |
1056 | { | |
1057 | state->bb_ramp = cfg; | |
1058 | dib0090_set_boost(state, cfg[0] > 500); /* we want the boost if the gain is higher that 50dB */ | |
1059 | } | |
1060 | ||
1061 | static void dib0090_set_bbramp_pwm(struct dib0090_state *state, const u16 * cfg) | |
1062 | { | |
1063 | state->bb_ramp = cfg; | |
1064 | ||
1065 | dib0090_set_boost(state, cfg[0] > 500); /* we want the boost if the gain is higher that 50dB */ | |
1066 | ||
1067 | dib0090_write_reg(state, 0x33, 0xffff); | |
4bd1a8dd | 1068 | dprintk("total BB gain: %ddB, step: %d\n", (u32) cfg[0], dib0090_read_reg(state, 0x33)); |
03245a5e OG |
1069 | dib0090_write_regs(state, 0x35, cfg + 3, 4); |
1070 | } | |
1071 | ||
1072 | void dib0090_pwm_gain_reset(struct dvb_frontend *fe) | |
1073 | { | |
1074 | struct dib0090_state *state = fe->tuner_priv; | |
aedabf7a OG |
1075 | u16 *bb_ramp = (u16 *)&bb_ramp_pwm_normal; /* default baseband config */ |
1076 | u16 *rf_ramp = NULL; | |
1077 | u8 en_pwm_rf_mux = 1; | |
03245a5e | 1078 | |
aedabf7a | 1079 | /* reset the AGC */ |
03245a5e | 1080 | if (state->config->use_pwm_agc) { |
03245a5e | 1081 | if (state->current_band == BAND_CBAND) { |
28fafca7 | 1082 | if (state->identity.in_soc) { |
aedabf7a | 1083 | bb_ramp = (u16 *)&bb_ramp_pwm_normal_socs; |
28fafca7 | 1084 | if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1) |
aedabf7a OG |
1085 | rf_ramp = (u16 *)&rf_ramp_pwm_cband_8090; |
1086 | else if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1) { | |
6724a2f4 OG |
1087 | if (state->config->is_dib7090e) { |
1088 | if (state->rf_ramp == NULL) | |
aedabf7a | 1089 | rf_ramp = (u16 *)&rf_ramp_pwm_cband_7090e_sensitivity; |
6724a2f4 | 1090 | else |
aedabf7a | 1091 | rf_ramp = (u16 *)state->rf_ramp; |
6724a2f4 | 1092 | } else |
aedabf7a | 1093 | rf_ramp = (u16 *)&rf_ramp_pwm_cband_7090p; |
6724a2f4 | 1094 | } |
aedabf7a OG |
1095 | } else |
1096 | rf_ramp = (u16 *)&rf_ramp_pwm_cband; | |
03245a5e | 1097 | } else |
aedabf7a OG |
1098 | |
1099 | if (state->current_band == BAND_VHF) { | |
1100 | if (state->identity.in_soc) { | |
1101 | bb_ramp = (u16 *)&bb_ramp_pwm_normal_socs; | |
1102 | /* rf_ramp = &rf_ramp_pwm_vhf_socs; */ /* TODO */ | |
1103 | } else | |
1104 | rf_ramp = (u16 *)&rf_ramp_pwm_vhf; | |
1105 | } else if (state->current_band == BAND_UHF) { | |
1106 | if (state->identity.in_soc) { | |
1107 | bb_ramp = (u16 *)&bb_ramp_pwm_normal_socs; | |
1108 | if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1) | |
1109 | rf_ramp = (u16 *)&rf_ramp_pwm_uhf_8090; | |
1110 | else if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1) | |
1111 | rf_ramp = (u16 *)&rf_ramp_pwm_uhf_7090; | |
1112 | } else | |
1113 | rf_ramp = (u16 *)&rf_ramp_pwm_uhf; | |
28fafca7 | 1114 | } |
aedabf7a OG |
1115 | if (rf_ramp) |
1116 | dib0090_set_rframp_pwm(state, rf_ramp); | |
1117 | dib0090_set_bbramp_pwm(state, bb_ramp); | |
1118 | ||
1119 | /* activate the ramp generator using PWM control */ | |
57bcbde9 | 1120 | if (state->rf_ramp) |
4bd1a8dd | 1121 | dprintk("ramp RF gain = %d BAND = %s version = %d\n", |
e76bea9a MCC |
1122 | state->rf_ramp[0], |
1123 | (state->current_band == BAND_CBAND) ? "CBAND" : "NOT CBAND", | |
1124 | state->identity.version & 0x1f); | |
1125 | ||
5848adbe | 1126 | if (rf_ramp && ((state->rf_ramp && state->rf_ramp[0] == 0) || |
e76bea9a MCC |
1127 | (state->current_band == BAND_CBAND && |
1128 | (state->identity.version & 0x1f) <= P1D_E_F))) { | |
4bd1a8dd | 1129 | dprintk("DE-Engage mux for direct gain reg control\n"); |
aedabf7a | 1130 | en_pwm_rf_mux = 0; |
03245a5e | 1131 | } else |
4bd1a8dd | 1132 | dprintk("Engage mux for PWM control\n"); |
03245a5e | 1133 | |
aedabf7a | 1134 | dib0090_write_reg(state, 0x32, (en_pwm_rf_mux << 12) | (en_pwm_rf_mux << 11)); |
03245a5e | 1135 | |
aedabf7a OG |
1136 | /* Set fast servo cutoff to start AGC; 0 = 1KHz ; 1 = 50Hz ; 2 = 150Hz ; 3 = 50KHz ; 4 = servo fast*/ |
1137 | if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1) | |
1138 | dib0090_write_reg(state, 0x04, 3); | |
1139 | else | |
1140 | dib0090_write_reg(state, 0x04, 1); | |
1141 | dib0090_write_reg(state, 0x39, (1 << 10)); /* 0 gain by default */ | |
03245a5e OG |
1142 | } |
1143 | } | |
03245a5e | 1144 | EXPORT_SYMBOL(dib0090_pwm_gain_reset); |
9c783036 | 1145 | |
2e802861 OG |
1146 | void dib0090_set_dc_servo(struct dvb_frontend *fe, u8 DC_servo_cutoff) |
1147 | { | |
1148 | struct dib0090_state *state = fe->tuner_priv; | |
1149 | if (DC_servo_cutoff < 4) | |
1150 | dib0090_write_reg(state, 0x04, DC_servo_cutoff); | |
1151 | } | |
1152 | EXPORT_SYMBOL(dib0090_set_dc_servo); | |
1153 | ||
28fafca7 OG |
1154 | static u32 dib0090_get_slow_adc_val(struct dib0090_state *state) |
1155 | { | |
1156 | u16 adc_val = dib0090_read_reg(state, 0x1d); | |
b4d6046e | 1157 | if (state->identity.in_soc) |
28fafca7 | 1158 | adc_val >>= 2; |
28fafca7 OG |
1159 | return adc_val; |
1160 | } | |
1161 | ||
03245a5e OG |
1162 | int dib0090_gain_control(struct dvb_frontend *fe) |
1163 | { | |
1164 | struct dib0090_state *state = fe->tuner_priv; | |
1165 | enum frontend_tune_state *tune_state = &state->tune_state; | |
1166 | int ret = 10; | |
1167 | ||
1168 | u16 wbd_val = 0; | |
1169 | u8 apply_gain_immediatly = 1; | |
1170 | s16 wbd_error = 0, adc_error = 0; | |
1171 | ||
1172 | if (*tune_state == CT_AGC_START) { | |
1173 | state->agc_freeze = 0; | |
1174 | dib0090_write_reg(state, 0x04, 0x0); | |
1175 | ||
1176 | #ifdef CONFIG_BAND_SBAND | |
1177 | if (state->current_band == BAND_SBAND) { | |
1178 | dib0090_set_rframp(state, rf_ramp_sband); | |
1179 | dib0090_set_bbramp(state, bb_ramp_boost); | |
1180 | } else | |
1181 | #endif | |
1182 | #ifdef CONFIG_BAND_VHF | |
28fafca7 | 1183 | if (state->current_band == BAND_VHF && !state->identity.p1g) { |
aedabf7a OG |
1184 | dib0090_set_rframp(state, rf_ramp_pwm_vhf); |
1185 | dib0090_set_bbramp(state, bb_ramp_pwm_normal); | |
03245a5e OG |
1186 | } else |
1187 | #endif | |
1188 | #ifdef CONFIG_BAND_CBAND | |
28fafca7 | 1189 | if (state->current_band == BAND_CBAND && !state->identity.p1g) { |
aedabf7a OG |
1190 | dib0090_set_rframp(state, rf_ramp_pwm_cband); |
1191 | dib0090_set_bbramp(state, bb_ramp_pwm_normal); | |
03245a5e OG |
1192 | } else |
1193 | #endif | |
28fafca7 | 1194 | if ((state->current_band == BAND_CBAND || state->current_band == BAND_VHF) && state->identity.p1g) { |
aedabf7a OG |
1195 | dib0090_set_rframp(state, rf_ramp_pwm_cband_7090p); |
1196 | dib0090_set_bbramp(state, bb_ramp_pwm_normal_socs); | |
28fafca7 | 1197 | } else { |
aedabf7a OG |
1198 | dib0090_set_rframp(state, rf_ramp_pwm_uhf); |
1199 | dib0090_set_bbramp(state, bb_ramp_pwm_normal); | |
03245a5e OG |
1200 | } |
1201 | ||
1202 | dib0090_write_reg(state, 0x32, 0); | |
1203 | dib0090_write_reg(state, 0x39, 0); | |
1204 | ||
1205 | dib0090_wbd_target(state, state->current_rf); | |
1206 | ||
1207 | state->rf_gain_limit = state->rf_ramp[0] << WBD_ALPHA; | |
1208 | state->current_gain = ((state->rf_ramp[0] + state->bb_ramp[0]) / 2) << GAIN_ALPHA; | |
1209 | ||
1210 | *tune_state = CT_AGC_STEP_0; | |
1211 | } else if (!state->agc_freeze) { | |
28fafca7 | 1212 | s16 wbd = 0, i, cnt; |
03245a5e OG |
1213 | |
1214 | int adc; | |
28fafca7 | 1215 | wbd_val = dib0090_get_slow_adc_val(state); |
03245a5e | 1216 | |
28fafca7 OG |
1217 | if (*tune_state == CT_AGC_STEP_0) |
1218 | cnt = 5; | |
1219 | else | |
1220 | cnt = 1; | |
1221 | ||
1222 | for (i = 0; i < cnt; i++) { | |
1223 | wbd_val = dib0090_get_slow_adc_val(state); | |
1224 | wbd += dib0090_wbd_to_db(state, wbd_val); | |
1225 | } | |
1226 | wbd /= cnt; | |
03245a5e OG |
1227 | wbd_error = state->wbd_target - wbd; |
1228 | ||
1229 | if (*tune_state == CT_AGC_STEP_0) { | |
28fafca7 | 1230 | if (wbd_error < 0 && state->rf_gain_limit > 0 && !state->identity.p1g) { |
03245a5e OG |
1231 | #ifdef CONFIG_BAND_CBAND |
1232 | /* in case of CBAND tune reduce first the lt_gain2 before adjusting the RF gain */ | |
1233 | u8 ltg2 = (state->rf_lt_def >> 10) & 0x7; | |
1234 | if (state->current_band == BAND_CBAND && ltg2) { | |
1235 | ltg2 >>= 1; | |
1236 | state->rf_lt_def &= ltg2 << 10; /* reduce in 3 steps from 7 to 0 */ | |
1237 | } | |
1238 | #endif | |
1239 | } else { | |
1240 | state->agc_step = 0; | |
1241 | *tune_state = CT_AGC_STEP_1; | |
1242 | } | |
1243 | } else { | |
1244 | /* calc the adc power */ | |
1245 | adc = state->config->get_adc_power(fe); | |
1246 | adc = (adc * ((s32) 355774) + (((s32) 1) << 20)) >> 21; /* included in [0:-700] */ | |
1247 | ||
1248 | adc_error = (s16) (((s32) ADC_TARGET) - adc); | |
1249 | #ifdef CONFIG_STANDARD_DAB | |
1250 | if (state->fe->dtv_property_cache.delivery_system == STANDARD_DAB) | |
28fafca7 | 1251 | adc_error -= 10; |
03245a5e OG |
1252 | #endif |
1253 | #ifdef CONFIG_STANDARD_DVBT | |
1254 | if (state->fe->dtv_property_cache.delivery_system == STANDARD_DVBT && | |
28fafca7 | 1255 | (state->fe->dtv_property_cache.modulation == QAM_64 || state->fe->dtv_property_cache.modulation == QAM_16)) |
03245a5e OG |
1256 | adc_error += 60; |
1257 | #endif | |
1258 | #ifdef CONFIG_SYS_ISDBT | |
1259 | if ((state->fe->dtv_property_cache.delivery_system == SYS_ISDBT) && (((state->fe->dtv_property_cache.layer[0].segment_count > | |
28fafca7 OG |
1260 | 0) |
1261 | && | |
1262 | ((state->fe->dtv_property_cache.layer[0].modulation == | |
1263 | QAM_64) | |
1264 | || (state->fe->dtv_property_cache. | |
1265 | layer[0].modulation == QAM_16))) | |
1266 | || | |
1267 | ((state->fe->dtv_property_cache.layer[1].segment_count > | |
1268 | 0) | |
1269 | && | |
1270 | ((state->fe->dtv_property_cache.layer[1].modulation == | |
1271 | QAM_64) | |
1272 | || (state->fe->dtv_property_cache. | |
1273 | layer[1].modulation == QAM_16))) | |
1274 | || | |
1275 | ((state->fe->dtv_property_cache.layer[2].segment_count > | |
1276 | 0) | |
1277 | && | |
1278 | ((state->fe->dtv_property_cache.layer[2].modulation == | |
1279 | QAM_64) | |
1280 | || (state->fe->dtv_property_cache. | |
1281 | layer[2].modulation == QAM_16))) | |
1282 | ) | |
1283 | ) | |
03245a5e OG |
1284 | adc_error += 60; |
1285 | #endif | |
1286 | ||
1287 | if (*tune_state == CT_AGC_STEP_1) { /* quickly go to the correct range of the ADC power */ | |
1288 | if (ABS(adc_error) < 50 || state->agc_step++ > 5) { | |
1289 | ||
1290 | #ifdef CONFIG_STANDARD_DAB | |
1291 | if (state->fe->dtv_property_cache.delivery_system == STANDARD_DAB) { | |
1292 | dib0090_write_reg(state, 0x02, (1 << 15) | (15 << 11) | (31 << 6) | (63)); /* cap value = 63 : narrow BB filter : Fc = 1.8MHz */ | |
1293 | dib0090_write_reg(state, 0x04, 0x0); | |
1294 | } else | |
1295 | #endif | |
1296 | { | |
1297 | dib0090_write_reg(state, 0x02, (1 << 15) | (3 << 11) | (6 << 6) | (32)); | |
1298 | dib0090_write_reg(state, 0x04, 0x01); /*0 = 1KHz ; 1 = 150Hz ; 2 = 50Hz ; 3 = 50KHz ; 4 = servo fast */ | |
1299 | } | |
1300 | ||
1301 | *tune_state = CT_AGC_STOP; | |
1302 | } | |
1303 | } else { | |
1304 | /* everything higher than or equal to CT_AGC_STOP means tracking */ | |
1305 | ret = 100; /* 10ms interval */ | |
1306 | apply_gain_immediatly = 0; | |
1307 | } | |
1308 | } | |
1309 | #ifdef DEBUG_AGC | |
1310 | dprintk | |
28fafca7 | 1311 | ("tune state %d, ADC = %3ddB (ADC err %3d) WBD %3ddB (WBD err %3d, WBD val SADC: %4d), RFGainLimit (TOP): %3d, signal: %3ddBm", |
b4d6046e | 1312 | (u32) *tune_state, (u32) adc, (u32) adc_error, (u32) wbd, (u32) wbd_error, (u32) wbd_val, |
28fafca7 | 1313 | (u32) state->rf_gain_limit >> WBD_ALPHA, (s32) 200 + adc - (state->current_gain >> GAIN_ALPHA)); |
03245a5e OG |
1314 | #endif |
1315 | } | |
1316 | ||
1317 | /* apply gain */ | |
1318 | if (!state->agc_freeze) | |
1319 | dib0090_gain_apply(state, adc_error, wbd_error, apply_gain_immediatly); | |
1320 | return ret; | |
1321 | } | |
28fafca7 | 1322 | |
03245a5e | 1323 | EXPORT_SYMBOL(dib0090_gain_control); |
9c783036 | 1324 | |
03245a5e OG |
1325 | void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt) |
1326 | { | |
1327 | struct dib0090_state *state = fe->tuner_priv; | |
1328 | if (rf) | |
1329 | *rf = state->gain[0]; | |
1330 | if (bb) | |
1331 | *bb = state->gain[1]; | |
1332 | if (rf_gain_limit) | |
1333 | *rf_gain_limit = state->rf_gain_limit; | |
1334 | if (rflt) | |
1335 | *rflt = (state->rf_lt_def >> 10) & 0x7; | |
1336 | } | |
28fafca7 | 1337 | |
03245a5e | 1338 | EXPORT_SYMBOL(dib0090_get_current_gain); |
9c783036 | 1339 | |
6724a2f4 | 1340 | u16 dib0090_get_wbd_target(struct dvb_frontend *fe) |
03245a5e | 1341 | { |
28fafca7 OG |
1342 | struct dib0090_state *state = fe->tuner_priv; |
1343 | u32 f_MHz = state->fe->dtv_property_cache.frequency / 1000000; | |
1344 | s32 current_temp = state->temperature; | |
1345 | s32 wbd_thot, wbd_tcold; | |
1346 | const struct dib0090_wbd_slope *wbd = state->current_wbd_table; | |
1347 | ||
1348 | while (f_MHz > wbd->max_freq) | |
1349 | wbd++; | |
1350 | ||
4bd1a8dd | 1351 | dprintk("using wbd-table-entry with max freq %d\n", wbd->max_freq); |
28fafca7 OG |
1352 | |
1353 | if (current_temp < 0) | |
1354 | current_temp = 0; | |
1355 | if (current_temp > 128) | |
1356 | current_temp = 128; | |
1357 | ||
28fafca7 OG |
1358 | state->wbdmux &= ~(7 << 13); |
1359 | if (wbd->wbd_gain != 0) | |
1360 | state->wbdmux |= (wbd->wbd_gain << 13); | |
1361 | else | |
b4d6046e | 1362 | state->wbdmux |= (4 << 13); |
28fafca7 OG |
1363 | |
1364 | dib0090_write_reg(state, 0x10, state->wbdmux); | |
1365 | ||
28fafca7 OG |
1366 | wbd_thot = wbd->offset_hot - (((u32) wbd->slope_hot * f_MHz) >> 6); |
1367 | wbd_tcold = wbd->offset_cold - (((u32) wbd->slope_cold * f_MHz) >> 6); | |
1368 | ||
28fafca7 OG |
1369 | wbd_tcold += ((wbd_thot - wbd_tcold) * current_temp) >> 7; |
1370 | ||
b4d6046e | 1371 | state->wbd_target = dib0090_wbd_to_db(state, state->wbd_offset + wbd_tcold); |
4bd1a8dd MCC |
1372 | dprintk("wbd-target: %d dB\n", (u32) state->wbd_target); |
1373 | dprintk("wbd offset applied is %d\n", wbd_tcold); | |
28fafca7 OG |
1374 | |
1375 | return state->wbd_offset + wbd_tcold; | |
03245a5e | 1376 | } |
6724a2f4 | 1377 | EXPORT_SYMBOL(dib0090_get_wbd_target); |
28fafca7 | 1378 | |
6724a2f4 OG |
1379 | u16 dib0090_get_wbd_offset(struct dvb_frontend *fe) |
1380 | { | |
1381 | struct dib0090_state *state = fe->tuner_priv; | |
1382 | return state->wbd_offset; | |
1383 | } | |
03245a5e | 1384 | EXPORT_SYMBOL(dib0090_get_wbd_offset); |
9c783036 | 1385 | |
6724a2f4 OG |
1386 | int dib0090_set_switch(struct dvb_frontend *fe, u8 sw1, u8 sw2, u8 sw3) |
1387 | { | |
1388 | struct dib0090_state *state = fe->tuner_priv; | |
1389 | ||
1390 | dib0090_write_reg(state, 0x0b, (dib0090_read_reg(state, 0x0b) & 0xfff8) | |
1391 | | ((sw3 & 1) << 2) | ((sw2 & 1) << 1) | (sw1 & 1)); | |
1392 | ||
1393 | return 0; | |
1394 | } | |
1395 | EXPORT_SYMBOL(dib0090_set_switch); | |
1396 | ||
1397 | int dib0090_set_vga(struct dvb_frontend *fe, u8 onoff) | |
1398 | { | |
1399 | struct dib0090_state *state = fe->tuner_priv; | |
1400 | ||
1401 | dib0090_write_reg(state, 0x09, (dib0090_read_reg(state, 0x09) & 0x7fff) | |
1402 | | ((onoff & 1) << 15)); | |
1403 | return 0; | |
1404 | } | |
1405 | EXPORT_SYMBOL(dib0090_set_vga); | |
1406 | ||
1407 | int dib0090_update_rframp_7090(struct dvb_frontend *fe, u8 cfg_sensitivity) | |
1408 | { | |
1409 | struct dib0090_state *state = fe->tuner_priv; | |
1410 | ||
1411 | if ((!state->identity.p1g) || (!state->identity.in_soc) | |
1412 | || ((state->identity.version != SOC_7090_P1G_21R1) | |
1413 | && (state->identity.version != SOC_7090_P1G_11R1))) { | |
4bd1a8dd | 1414 | dprintk("%s() function can only be used for dib7090P\n", __func__); |
6724a2f4 OG |
1415 | return -ENODEV; |
1416 | } | |
1417 | ||
1418 | if (cfg_sensitivity) | |
1419 | state->rf_ramp = (const u16 *)&rf_ramp_pwm_cband_7090e_sensitivity; | |
1420 | else | |
1421 | state->rf_ramp = (const u16 *)&rf_ramp_pwm_cband_7090e_aci; | |
1422 | dib0090_pwm_gain_reset(fe); | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | EXPORT_SYMBOL(dib0090_update_rframp_7090); | |
1427 | ||
03245a5e OG |
1428 | static const u16 dib0090_defaults[] = { |
1429 | ||
1430 | 25, 0x01, | |
1431 | 0x0000, | |
1432 | 0x99a0, | |
1433 | 0x6008, | |
1434 | 0x0000, | |
28fafca7 | 1435 | 0x8bcb, |
03245a5e OG |
1436 | 0x0000, |
1437 | 0x0405, | |
1438 | 0x0000, | |
1439 | 0x0000, | |
1440 | 0x0000, | |
1441 | 0xb802, | |
1442 | 0x0300, | |
1443 | 0x2d12, | |
1444 | 0xbac0, | |
1445 | 0x7c00, | |
1446 | 0xdbb9, | |
1447 | 0x0954, | |
1448 | 0x0743, | |
1449 | 0x8000, | |
1450 | 0x0001, | |
1451 | 0x0040, | |
1452 | 0x0100, | |
1453 | 0x0000, | |
1454 | 0xe910, | |
1455 | 0x149e, | |
1456 | ||
1457 | 1, 0x1c, | |
1458 | 0xff2d, | |
1459 | ||
1460 | 1, 0x39, | |
1461 | 0x0000, | |
1462 | ||
03245a5e OG |
1463 | 2, 0x1e, |
1464 | 0x07FF, | |
1465 | 0x0007, | |
1466 | ||
1467 | 1, 0x24, | |
1468 | EN_UHF | EN_CRYSTAL, | |
1469 | ||
1470 | 2, 0x3c, | |
1471 | 0x3ff, | |
1472 | 0x111, | |
1473 | 0 | |
1474 | }; | |
1475 | ||
28fafca7 | 1476 | static const u16 dib0090_p1g_additionnal_defaults[] = { |
28fafca7 OG |
1477 | 1, 0x05, |
1478 | 0xabcd, | |
03245a5e | 1479 | |
28fafca7 OG |
1480 | 1, 0x11, |
1481 | 0x00b4, | |
03245a5e | 1482 | |
28fafca7 OG |
1483 | 1, 0x1c, |
1484 | 0xfffd, | |
1485 | ||
1486 | 1, 0x40, | |
1487 | 0x108, | |
1488 | 0 | |
1489 | }; | |
1490 | ||
1491 | static void dib0090_set_default_config(struct dib0090_state *state, const u16 * n) | |
1492 | { | |
1493 | u16 l, r; | |
03245a5e | 1494 | |
03245a5e OG |
1495 | l = pgm_read_word(n++); |
1496 | while (l) { | |
1497 | r = pgm_read_word(n++); | |
1498 | do { | |
03245a5e OG |
1499 | dib0090_write_reg(state, r, pgm_read_word(n++)); |
1500 | r++; | |
1501 | } while (--l); | |
1502 | l = pgm_read_word(n++); | |
1503 | } | |
28fafca7 OG |
1504 | } |
1505 | ||
1506 | #define CAP_VALUE_MIN (u8) 9 | |
1507 | #define CAP_VALUE_MAX (u8) 40 | |
1508 | #define HR_MIN (u8) 25 | |
1509 | #define HR_MAX (u8) 40 | |
1510 | #define POLY_MIN (u8) 0 | |
1511 | #define POLY_MAX (u8) 8 | |
1512 | ||
a685dbbc | 1513 | static void dib0090_set_EFUSE(struct dib0090_state *state) |
28fafca7 | 1514 | { |
b4d6046e OG |
1515 | u8 c, h, n; |
1516 | u16 e2, e4; | |
1517 | u16 cal; | |
1518 | ||
1519 | e2 = dib0090_read_reg(state, 0x26); | |
1520 | e4 = dib0090_read_reg(state, 0x28); | |
1521 | ||
1522 | if ((state->identity.version == P1D_E_F) || | |
1523 | (state->identity.version == P1G) || (e2 == 0xffff)) { | |
1524 | ||
1525 | dib0090_write_reg(state, 0x22, 0x10); | |
1526 | cal = (dib0090_read_reg(state, 0x22) >> 6) & 0x3ff; | |
1527 | ||
1528 | if ((cal < 670) || (cal == 1023)) | |
1529 | cal = 850; | |
1530 | n = 165 - ((cal * 10)>>6) ; | |
1531 | e2 = e4 = (3<<12) | (34<<6) | (n); | |
1532 | } | |
1533 | ||
1534 | if (e2 != e4) | |
1535 | e2 &= e4; /* Remove the redundancy */ | |
1536 | ||
1537 | if (e2 != 0xffff) { | |
1538 | c = e2 & 0x3f; | |
1539 | n = (e2 >> 12) & 0xf; | |
1540 | h = (e2 >> 6) & 0x3f; | |
1541 | ||
1542 | if ((c >= CAP_VALUE_MAX) || (c <= CAP_VALUE_MIN)) | |
1543 | c = 32; | |
aedabf7a OG |
1544 | else |
1545 | c += 14; | |
b4d6046e OG |
1546 | if ((h >= HR_MAX) || (h <= HR_MIN)) |
1547 | h = 34; | |
1548 | if ((n >= POLY_MAX) || (n <= POLY_MIN)) | |
1549 | n = 3; | |
1550 | ||
751dc8c7 MCC |
1551 | dib0090_write_reg(state, 0x13, (h << 10)); |
1552 | e2 = (n << 11) | ((h >> 2)<<6) | c; | |
1553 | dib0090_write_reg(state, 0x2, e2); /* Load the BB_2 */ | |
b4d6046e | 1554 | } |
28fafca7 OG |
1555 | } |
1556 | ||
1557 | static int dib0090_reset(struct dvb_frontend *fe) | |
1558 | { | |
1559 | struct dib0090_state *state = fe->tuner_priv; | |
1560 | ||
1561 | dib0090_reset_digital(fe, state->config); | |
1562 | if (dib0090_identify(fe) < 0) | |
1563 | return -EIO; | |
1564 | ||
1565 | #ifdef CONFIG_TUNER_DIB0090_P1B_SUPPORT | |
1566 | if (!(state->identity.version & 0x1)) /* it is P1B - reset is already done */ | |
1567 | return 0; | |
1568 | #endif | |
1569 | ||
1570 | if (!state->identity.in_soc) { | |
1571 | if ((dib0090_read_reg(state, 0x1a) >> 5) & 0x2) | |
1572 | dib0090_write_reg(state, 0x1b, (EN_IQADC | EN_BB | EN_BIAS | EN_DIGCLK | EN_PLL | EN_CRYSTAL)); | |
1573 | else | |
1574 | dib0090_write_reg(state, 0x1b, (EN_DIGCLK | EN_PLL | EN_CRYSTAL)); | |
1575 | } | |
1576 | ||
1577 | dib0090_set_default_config(state, dib0090_defaults); | |
1578 | ||
b4d6046e OG |
1579 | if (state->identity.in_soc) |
1580 | dib0090_write_reg(state, 0x18, 0x2910); /* charge pump current = 0 */ | |
28fafca7 OG |
1581 | |
1582 | if (state->identity.p1g) | |
1583 | dib0090_set_default_config(state, dib0090_p1g_additionnal_defaults); | |
1584 | ||
b4d6046e OG |
1585 | /* Update the efuse : Only available for KROSUS > P1C and SOC as well*/ |
1586 | if (((state->identity.version & 0x1f) >= P1D_E_F) || (state->identity.in_soc)) | |
1587 | dib0090_set_EFUSE(state); | |
03245a5e OG |
1588 | |
1589 | /* Congigure in function of the crystal */ | |
2e802861 OG |
1590 | if (state->config->force_crystal_mode != 0) |
1591 | dib0090_write_reg(state, 0x14, | |
1592 | state->config->force_crystal_mode & 3); | |
1593 | else if (state->config->io.clock_khz >= 24000) | |
28fafca7 | 1594 | dib0090_write_reg(state, 0x14, 1); |
03245a5e | 1595 | else |
28fafca7 | 1596 | dib0090_write_reg(state, 0x14, 2); |
4bd1a8dd | 1597 | dprintk("Pll lock : %d\n", (dib0090_read_reg(state, 0x1a) >> 11) & 0x1); |
03245a5e | 1598 | |
28fafca7 | 1599 | state->calibrate = DC_CAL | WBD_CAL | TEMP_CAL; /* enable iq-offset-calibration and wbd-calibration when tuning next time */ |
03245a5e OG |
1600 | |
1601 | return 0; | |
1602 | } | |
1603 | ||
9c783036 | 1604 | #define steps(u) (((u) > 15) ? ((u)-16) : (u)) |
03245a5e OG |
1605 | #define INTERN_WAIT 10 |
1606 | static int dib0090_get_offset(struct dib0090_state *state, enum frontend_tune_state *tune_state) | |
1607 | { | |
1608 | int ret = INTERN_WAIT * 10; | |
1609 | ||
1610 | switch (*tune_state) { | |
1611 | case CT_TUNER_STEP_2: | |
1612 | /* Turns to positive */ | |
1613 | dib0090_write_reg(state, 0x1f, 0x7); | |
1614 | *tune_state = CT_TUNER_STEP_3; | |
1615 | break; | |
1616 | ||
1617 | case CT_TUNER_STEP_3: | |
1618 | state->adc_diff = dib0090_read_reg(state, 0x1d); | |
1619 | ||
1620 | /* Turns to negative */ | |
1621 | dib0090_write_reg(state, 0x1f, 0x4); | |
1622 | *tune_state = CT_TUNER_STEP_4; | |
1623 | break; | |
1624 | ||
1625 | case CT_TUNER_STEP_4: | |
1626 | state->adc_diff -= dib0090_read_reg(state, 0x1d); | |
1627 | *tune_state = CT_TUNER_STEP_5; | |
1628 | ret = 0; | |
1629 | break; | |
1630 | ||
1631 | default: | |
1632 | break; | |
1633 | } | |
1634 | ||
1635 | return ret; | |
1636 | } | |
1637 | ||
1638 | struct dc_calibration { | |
28fafca7 OG |
1639 | u8 addr; |
1640 | u8 offset; | |
1641 | u8 pga:1; | |
1642 | u16 bb1; | |
1643 | u8 i:1; | |
03245a5e OG |
1644 | }; |
1645 | ||
1646 | static const struct dc_calibration dc_table[] = { | |
1647 | /* Step1 BB gain1= 26 with boost 1, gain 2 = 0 */ | |
1648 | {0x06, 5, 1, (1 << 13) | (0 << 8) | (26 << 3), 1}, | |
1649 | {0x07, 11, 1, (1 << 13) | (0 << 8) | (26 << 3), 0}, | |
1650 | /* Step 2 BB gain 1 = 26 with boost = 1 & gain 2 = 29 */ | |
1651 | {0x06, 0, 0, (1 << 13) | (29 << 8) | (26 << 3), 1}, | |
1652 | {0x06, 10, 0, (1 << 13) | (29 << 8) | (26 << 3), 0}, | |
1653 | {0}, | |
1654 | }; | |
1655 | ||
28fafca7 OG |
1656 | static const struct dc_calibration dc_p1g_table[] = { |
1657 | /* Step1 BB gain1= 26 with boost 1, gain 2 = 0 */ | |
1658 | /* addr ; trim reg offset ; pga ; CTRL_BB1 value ; i or q */ | |
b4d6046e OG |
1659 | {0x06, 5, 1, (1 << 13) | (0 << 8) | (15 << 3), 1}, |
1660 | {0x07, 11, 1, (1 << 13) | (0 << 8) | (15 << 3), 0}, | |
28fafca7 | 1661 | /* Step 2 BB gain 1 = 26 with boost = 1 & gain 2 = 29 */ |
b4d6046e OG |
1662 | {0x06, 0, 0, (1 << 13) | (29 << 8) | (15 << 3), 1}, |
1663 | {0x06, 10, 0, (1 << 13) | (29 << 8) | (15 << 3), 0}, | |
28fafca7 OG |
1664 | {0}, |
1665 | }; | |
1666 | ||
03245a5e OG |
1667 | static void dib0090_set_trim(struct dib0090_state *state) |
1668 | { | |
1669 | u16 *val; | |
1670 | ||
1671 | if (state->dc->addr == 0x07) | |
1672 | val = &state->bb7; | |
1673 | else | |
1674 | val = &state->bb6; | |
1675 | ||
1676 | *val &= ~(0x1f << state->dc->offset); | |
1677 | *val |= state->step << state->dc->offset; | |
1678 | ||
1679 | dib0090_write_reg(state, state->dc->addr, *val); | |
1680 | } | |
1681 | ||
1682 | static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum frontend_tune_state *tune_state) | |
1683 | { | |
1684 | int ret = 0; | |
28fafca7 | 1685 | u16 reg; |
03245a5e OG |
1686 | |
1687 | switch (*tune_state) { | |
03245a5e | 1688 | case CT_TUNER_START: |
28fafca7 | 1689 | dprintk("Start DC offset calibration"); |
03245a5e OG |
1690 | |
1691 | /* force vcm2 = 0.8V */ | |
1692 | state->bb6 = 0; | |
1693 | state->bb7 = 0x040d; | |
1694 | ||
28fafca7 OG |
1695 | /* the LNA AND LO are off */ |
1696 | reg = dib0090_read_reg(state, 0x24) & 0x0ffb; /* shutdown lna and lo */ | |
1697 | dib0090_write_reg(state, 0x24, reg); | |
1698 | ||
1699 | state->wbdmux = dib0090_read_reg(state, 0x10); | |
b4d6046e OG |
1700 | dib0090_write_reg(state, 0x10, (state->wbdmux & ~(0xff << 3)) | (0x7 << 3) | 0x3); |
1701 | dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) & ~(1 << 14)); | |
28fafca7 | 1702 | |
03245a5e OG |
1703 | state->dc = dc_table; |
1704 | ||
28fafca7 OG |
1705 | if (state->identity.p1g) |
1706 | state->dc = dc_p1g_table; | |
03245a5e OG |
1707 | |
1708 | /* fall through */ | |
03245a5e | 1709 | case CT_TUNER_STEP_0: |
4bd1a8dd MCC |
1710 | dprintk("Start/continue DC calibration for %s path\n", |
1711 | (state->dc->i == 1) ? "I" : "Q"); | |
03245a5e OG |
1712 | dib0090_write_reg(state, 0x01, state->dc->bb1); |
1713 | dib0090_write_reg(state, 0x07, state->bb7 | (state->dc->i << 7)); | |
1714 | ||
1715 | state->step = 0; | |
03245a5e | 1716 | state->min_adc_diff = 1023; |
03245a5e OG |
1717 | *tune_state = CT_TUNER_STEP_1; |
1718 | ret = 50; | |
1719 | break; | |
1720 | ||
1721 | case CT_TUNER_STEP_1: | |
1722 | dib0090_set_trim(state); | |
03245a5e OG |
1723 | *tune_state = CT_TUNER_STEP_2; |
1724 | break; | |
1725 | ||
1726 | case CT_TUNER_STEP_2: | |
1727 | case CT_TUNER_STEP_3: | |
1728 | case CT_TUNER_STEP_4: | |
1729 | ret = dib0090_get_offset(state, tune_state); | |
1730 | break; | |
1731 | ||
1732 | case CT_TUNER_STEP_5: /* found an offset */ | |
4bd1a8dd | 1733 | dprintk("adc_diff = %d, current step= %d\n", (u32) state->adc_diff, state->step); |
28fafca7 OG |
1734 | if (state->step == 0 && state->adc_diff < 0) { |
1735 | state->min_adc_diff = -1023; | |
4bd1a8dd | 1736 | dprintk("Change of sign of the minimum adc diff\n"); |
28fafca7 OG |
1737 | } |
1738 | ||
4bd1a8dd | 1739 | dprintk("adc_diff = %d, min_adc_diff = %d current_step = %d\n", state->adc_diff, state->min_adc_diff, state->step); |
03245a5e OG |
1740 | |
1741 | /* first turn for this frequency */ | |
1742 | if (state->step == 0) { | |
1743 | if (state->dc->pga && state->adc_diff < 0) | |
1744 | state->step = 0x10; | |
1745 | if (state->dc->pga == 0 && state->adc_diff > 0) | |
1746 | state->step = 0x10; | |
1747 | } | |
1748 | ||
28fafca7 OG |
1749 | /* Look for a change of Sign in the Adc_diff.min_adc_diff is used to STORE the setp N-1 */ |
1750 | if ((state->adc_diff & 0x8000) == (state->min_adc_diff & 0x8000) && steps(state->step) < 15) { | |
1751 | /* stop search when the delta the sign is changing and Steps =15 and Step=0 is force for continuance */ | |
03245a5e | 1752 | state->step++; |
b4d6046e | 1753 | state->min_adc_diff = state->adc_diff; |
03245a5e OG |
1754 | *tune_state = CT_TUNER_STEP_1; |
1755 | } else { | |
03245a5e | 1756 | /* the minimum was what we have seen in the step before */ |
b4d6046e | 1757 | if (ABS(state->adc_diff) > ABS(state->min_adc_diff)) { |
4bd1a8dd | 1758 | dprintk("Since adc_diff N = %d > adc_diff step N-1 = %d, Come back one step\n", state->adc_diff, state->min_adc_diff); |
28fafca7 OG |
1759 | state->step--; |
1760 | } | |
03245a5e | 1761 | |
28fafca7 | 1762 | dib0090_set_trim(state); |
4bd1a8dd | 1763 | dprintk("BB Offset Cal, BBreg=%hd,Offset=%hd,Value Set=%hd\n", state->dc->addr, state->adc_diff, state->step); |
03245a5e OG |
1764 | |
1765 | state->dc++; | |
1766 | if (state->dc->addr == 0) /* done */ | |
1767 | *tune_state = CT_TUNER_STEP_6; | |
1768 | else | |
1769 | *tune_state = CT_TUNER_STEP_0; | |
1770 | ||
1771 | } | |
1772 | break; | |
1773 | ||
1774 | case CT_TUNER_STEP_6: | |
b4d6046e | 1775 | dib0090_write_reg(state, 0x07, state->bb7 & ~0x0008); |
03245a5e OG |
1776 | dib0090_write_reg(state, 0x1f, 0x7); |
1777 | *tune_state = CT_TUNER_START; /* reset done -> real tuning can now begin */ | |
28fafca7 | 1778 | state->calibrate &= ~DC_CAL; |
03245a5e OG |
1779 | default: |
1780 | break; | |
1781 | } | |
1782 | return ret; | |
1783 | } | |
1784 | ||
1785 | static int dib0090_wbd_calibration(struct dib0090_state *state, enum frontend_tune_state *tune_state) | |
1786 | { | |
28fafca7 OG |
1787 | u8 wbd_gain; |
1788 | const struct dib0090_wbd_slope *wbd = state->current_wbd_table; | |
1789 | ||
03245a5e OG |
1790 | switch (*tune_state) { |
1791 | case CT_TUNER_START: | |
28fafca7 OG |
1792 | while (state->current_rf / 1000 > wbd->max_freq) |
1793 | wbd++; | |
1794 | if (wbd->wbd_gain != 0) | |
1795 | wbd_gain = wbd->wbd_gain; | |
1796 | else { | |
1797 | wbd_gain = 4; | |
1798 | #if defined(CONFIG_BAND_LBAND) || defined(CONFIG_BAND_SBAND) | |
1799 | if ((state->current_band == BAND_LBAND) || (state->current_band == BAND_SBAND)) | |
1800 | wbd_gain = 2; | |
1801 | #endif | |
1802 | } | |
03245a5e | 1803 | |
28fafca7 OG |
1804 | if (wbd_gain == state->wbd_calibration_gain) { /* the WBD calibration has already been done */ |
1805 | *tune_state = CT_TUNER_START; | |
1806 | state->calibrate &= ~WBD_CAL; | |
1807 | return 0; | |
1808 | } | |
1809 | ||
b4d6046e | 1810 | dib0090_write_reg(state, 0x10, 0x1b81 | (1 << 10) | (wbd_gain << 13) | (1 << 3)); |
28fafca7 | 1811 | |
b4d6046e | 1812 | dib0090_write_reg(state, 0x24, ((EN_UHF & 0x0fff) | (1 << 1))); |
03245a5e | 1813 | *tune_state = CT_TUNER_STEP_0; |
28fafca7 | 1814 | state->wbd_calibration_gain = wbd_gain; |
03245a5e | 1815 | return 90; /* wait for the WBDMUX to switch and for the ADC to sample */ |
28fafca7 | 1816 | |
03245a5e | 1817 | case CT_TUNER_STEP_0: |
28fafca7 | 1818 | state->wbd_offset = dib0090_get_slow_adc_val(state); |
4bd1a8dd | 1819 | dprintk("WBD calibration offset = %d\n", state->wbd_offset); |
03245a5e | 1820 | *tune_state = CT_TUNER_START; /* reset done -> real tuning can now begin */ |
28fafca7 | 1821 | state->calibrate &= ~WBD_CAL; |
03245a5e | 1822 | break; |
28fafca7 | 1823 | |
03245a5e OG |
1824 | default: |
1825 | break; | |
1826 | } | |
1827 | return 0; | |
1828 | } | |
1829 | ||
1830 | static void dib0090_set_bandwidth(struct dib0090_state *state) | |
1831 | { | |
1832 | u16 tmp; | |
1833 | ||
1834 | if (state->fe->dtv_property_cache.bandwidth_hz / 1000 <= 5000) | |
1835 | tmp = (3 << 14); | |
1836 | else if (state->fe->dtv_property_cache.bandwidth_hz / 1000 <= 6000) | |
1837 | tmp = (2 << 14); | |
1838 | else if (state->fe->dtv_property_cache.bandwidth_hz / 1000 <= 7000) | |
1839 | tmp = (1 << 14); | |
1840 | else | |
1841 | tmp = (0 << 14); | |
1842 | ||
1843 | state->bb_1_def &= 0x3fff; | |
1844 | state->bb_1_def |= tmp; | |
1845 | ||
1846 | dib0090_write_reg(state, 0x01, state->bb_1_def); /* be sure that we have the right bb-filter */ | |
28fafca7 OG |
1847 | |
1848 | dib0090_write_reg(state, 0x03, 0x6008); /* = 0x6008 : vcm3_trim = 1 ; filter2_gm1_trim = 8 ; filter2_cutoff_freq = 0 */ | |
1849 | dib0090_write_reg(state, 0x04, 0x1); /* 0 = 1KHz ; 1 = 50Hz ; 2 = 150Hz ; 3 = 50KHz ; 4 = servo fast */ | |
1850 | if (state->identity.in_soc) { | |
1851 | dib0090_write_reg(state, 0x05, 0x9bcf); /* attenuator_ibias_tri = 2 ; input_stage_ibias_tr = 1 ; nc = 11 ; ext_gm_trim = 1 ; obuf_ibias_trim = 4 ; filter13_gm2_ibias_t = 15 */ | |
1852 | } else { | |
1853 | dib0090_write_reg(state, 0x02, (5 << 11) | (8 << 6) | (22 & 0x3f)); /* 22 = cap_value */ | |
1854 | dib0090_write_reg(state, 0x05, 0xabcd); /* = 0xabcd : attenuator_ibias_tri = 2 ; input_stage_ibias_tr = 2 ; nc = 11 ; ext_gm_trim = 1 ; obuf_ibias_trim = 4 ; filter13_gm2_ibias_t = 13 */ | |
1855 | } | |
03245a5e OG |
1856 | } |
1857 | ||
1858 | static const struct dib0090_pll dib0090_pll_table[] = { | |
1859 | #ifdef CONFIG_BAND_CBAND | |
1860 | {56000, 0, 9, 48, 6}, | |
1861 | {70000, 1, 9, 48, 6}, | |
1862 | {87000, 0, 8, 32, 4}, | |
1863 | {105000, 1, 8, 32, 4}, | |
1864 | {115000, 0, 7, 24, 6}, | |
1865 | {140000, 1, 7, 24, 6}, | |
1866 | {170000, 0, 6, 16, 4}, | |
1867 | #endif | |
1868 | #ifdef CONFIG_BAND_VHF | |
1869 | {200000, 1, 6, 16, 4}, | |
1870 | {230000, 0, 5, 12, 6}, | |
1871 | {280000, 1, 5, 12, 6}, | |
1872 | {340000, 0, 4, 8, 4}, | |
1873 | {380000, 1, 4, 8, 4}, | |
1874 | {450000, 0, 3, 6, 6}, | |
1875 | #endif | |
1876 | #ifdef CONFIG_BAND_UHF | |
1877 | {580000, 1, 3, 6, 6}, | |
1878 | {700000, 0, 2, 4, 4}, | |
1879 | {860000, 1, 2, 4, 4}, | |
1880 | #endif | |
1881 | #ifdef CONFIG_BAND_LBAND | |
1882 | {1800000, 1, 0, 2, 4}, | |
1883 | #endif | |
1884 | #ifdef CONFIG_BAND_SBAND | |
1885 | {2900000, 0, 14, 1, 4}, | |
1886 | #endif | |
1887 | }; | |
1888 | ||
1889 | static const struct dib0090_tuning dib0090_tuning_table_fm_vhf_on_cband[] = { | |
1890 | ||
1891 | #ifdef CONFIG_BAND_CBAND | |
1892 | {184000, 4, 1, 15, 0x280, 0x2912, 0xb94e, EN_CAB}, | |
1893 | {227000, 4, 3, 15, 0x280, 0x2912, 0xb94e, EN_CAB}, | |
1894 | {380000, 4, 7, 15, 0x280, 0x2912, 0xb94e, EN_CAB}, | |
1895 | #endif | |
1896 | #ifdef CONFIG_BAND_UHF | |
1897 | {520000, 2, 0, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1898 | {550000, 2, 2, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1899 | {650000, 2, 3, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1900 | {750000, 2, 5, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1901 | {850000, 2, 6, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1902 | {900000, 2, 7, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1903 | #endif | |
1904 | #ifdef CONFIG_BAND_LBAND | |
1905 | {1500000, 4, 0, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1906 | {1600000, 4, 1, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1907 | {1800000, 4, 3, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1908 | #endif | |
1909 | #ifdef CONFIG_BAND_SBAND | |
1910 | {2300000, 1, 4, 20, 0x300, 0x2d2A, 0x82c7, EN_SBD}, | |
1911 | {2900000, 1, 7, 20, 0x280, 0x2deb, 0x8347, EN_SBD}, | |
1912 | #endif | |
1913 | }; | |
1914 | ||
1915 | static const struct dib0090_tuning dib0090_tuning_table[] = { | |
1916 | ||
1917 | #ifdef CONFIG_BAND_CBAND | |
1918 | {170000, 4, 1, 15, 0x280, 0x2912, 0xb94e, EN_CAB}, | |
1919 | #endif | |
1920 | #ifdef CONFIG_BAND_VHF | |
1921 | {184000, 1, 1, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, | |
1922 | {227000, 1, 3, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, | |
1923 | {380000, 1, 7, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, | |
1924 | #endif | |
1925 | #ifdef CONFIG_BAND_UHF | |
1926 | {520000, 2, 0, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1927 | {550000, 2, 2, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1928 | {650000, 2, 3, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1929 | {750000, 2, 5, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1930 | {850000, 2, 6, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1931 | {900000, 2, 7, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1932 | #endif | |
1933 | #ifdef CONFIG_BAND_LBAND | |
1934 | {1500000, 4, 0, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1935 | {1600000, 4, 1, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1936 | {1800000, 4, 3, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1937 | #endif | |
1938 | #ifdef CONFIG_BAND_SBAND | |
1939 | {2300000, 1, 4, 20, 0x300, 0x2d2A, 0x82c7, EN_SBD}, | |
1940 | {2900000, 1, 7, 20, 0x280, 0x2deb, 0x8347, EN_SBD}, | |
1941 | #endif | |
1942 | }; | |
1943 | ||
28fafca7 | 1944 | static const struct dib0090_tuning dib0090_p1g_tuning_table[] = { |
28fafca7 | 1945 | #ifdef CONFIG_BAND_CBAND |
b4d6046e | 1946 | {170000, 4, 1, 0x820f, 0x300, 0x2d22, 0x82cb, EN_CAB}, |
28fafca7 OG |
1947 | #endif |
1948 | #ifdef CONFIG_BAND_VHF | |
b4d6046e OG |
1949 | {184000, 1, 1, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, |
1950 | {227000, 1, 3, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, | |
1951 | {380000, 1, 7, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, | |
28fafca7 OG |
1952 | #endif |
1953 | #ifdef CONFIG_BAND_UHF | |
b4d6046e OG |
1954 | {510000, 2, 0, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, |
1955 | {540000, 2, 1, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1956 | {600000, 2, 3, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1957 | {630000, 2, 4, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1958 | {680000, 2, 5, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1959 | {720000, 2, 6, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
1960 | {900000, 2, 7, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
28fafca7 OG |
1961 | #endif |
1962 | #ifdef CONFIG_BAND_LBAND | |
b4d6046e OG |
1963 | {1500000, 4, 0, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, |
1964 | {1600000, 4, 1, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
1965 | {1800000, 4, 3, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
28fafca7 OG |
1966 | #endif |
1967 | #ifdef CONFIG_BAND_SBAND | |
b4d6046e OG |
1968 | {2300000, 1, 4, 20, 0x300, 0x2d2A, 0x82c7, EN_SBD}, |
1969 | {2900000, 1, 7, 20, 0x280, 0x2deb, 0x8347, EN_SBD}, | |
28fafca7 OG |
1970 | #endif |
1971 | }; | |
1972 | ||
1973 | static const struct dib0090_pll dib0090_p1g_pll_table[] = { | |
1974 | #ifdef CONFIG_BAND_CBAND | |
b4d6046e OG |
1975 | {57000, 0, 11, 48, 6}, |
1976 | {70000, 1, 11, 48, 6}, | |
1977 | {86000, 0, 10, 32, 4}, | |
1978 | {105000, 1, 10, 32, 4}, | |
1979 | {115000, 0, 9, 24, 6}, | |
1980 | {140000, 1, 9, 24, 6}, | |
1981 | {170000, 0, 8, 16, 4}, | |
28fafca7 OG |
1982 | #endif |
1983 | #ifdef CONFIG_BAND_VHF | |
b4d6046e OG |
1984 | {200000, 1, 8, 16, 4}, |
1985 | {230000, 0, 7, 12, 6}, | |
1986 | {280000, 1, 7, 12, 6}, | |
1987 | {340000, 0, 6, 8, 4}, | |
1988 | {380000, 1, 6, 8, 4}, | |
1989 | {455000, 0, 5, 6, 6}, | |
28fafca7 OG |
1990 | #endif |
1991 | #ifdef CONFIG_BAND_UHF | |
b4d6046e OG |
1992 | {580000, 1, 5, 6, 6}, |
1993 | {680000, 0, 4, 4, 4}, | |
1994 | {860000, 1, 4, 4, 4}, | |
28fafca7 OG |
1995 | #endif |
1996 | #ifdef CONFIG_BAND_LBAND | |
b4d6046e | 1997 | {1800000, 1, 2, 2, 4}, |
28fafca7 OG |
1998 | #endif |
1999 | #ifdef CONFIG_BAND_SBAND | |
b4d6046e | 2000 | {2900000, 0, 1, 1, 6}, |
28fafca7 OG |
2001 | #endif |
2002 | }; | |
2003 | ||
2004 | static const struct dib0090_tuning dib0090_p1g_tuning_table_fm_vhf_on_cband[] = { | |
28fafca7 | 2005 | #ifdef CONFIG_BAND_CBAND |
b4d6046e OG |
2006 | {184000, 4, 3, 0x4187, 0x2c0, 0x2d22, 0x81cb, EN_CAB}, |
2007 | {227000, 4, 3, 0x4187, 0x2c0, 0x2d22, 0x81cb, EN_CAB}, | |
2008 | {380000, 4, 3, 0x4187, 0x2c0, 0x2d22, 0x81cb, EN_CAB}, | |
28fafca7 OG |
2009 | #endif |
2010 | #ifdef CONFIG_BAND_UHF | |
b4d6046e OG |
2011 | {520000, 2, 0, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, |
2012 | {550000, 2, 2, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
2013 | {650000, 2, 3, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
2014 | {750000, 2, 5, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
2015 | {850000, 2, 6, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
2016 | {900000, 2, 7, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, | |
28fafca7 OG |
2017 | #endif |
2018 | #ifdef CONFIG_BAND_LBAND | |
b4d6046e OG |
2019 | {1500000, 4, 0, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, |
2020 | {1600000, 4, 1, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
2021 | {1800000, 4, 3, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, | |
28fafca7 OG |
2022 | #endif |
2023 | #ifdef CONFIG_BAND_SBAND | |
b4d6046e OG |
2024 | {2300000, 1, 4, 20, 0x300, 0x2d2A, 0x82c7, EN_SBD}, |
2025 | {2900000, 1, 7, 20, 0x280, 0x2deb, 0x8347, EN_SBD}, | |
28fafca7 OG |
2026 | #endif |
2027 | }; | |
2028 | ||
2029 | static const struct dib0090_tuning dib0090_tuning_table_cband_7090[] = { | |
28fafca7 | 2030 | #ifdef CONFIG_BAND_CBAND |
28fafca7 | 2031 | {300000, 4, 3, 0x018F, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, |
b4d6046e | 2032 | {380000, 4, 10, 0x018F, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, |
28fafca7 OG |
2033 | {570000, 4, 10, 0x8190, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, |
2034 | {858000, 4, 5, 0x8190, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, | |
2035 | #endif | |
2036 | }; | |
2037 | ||
6724a2f4 OG |
2038 | static const struct dib0090_tuning dib0090_tuning_table_cband_7090e_sensitivity[] = { |
2039 | #ifdef CONFIG_BAND_CBAND | |
2040 | { 300000, 0 , 3, 0x8105, 0x2c0, 0x2d12, 0xb84e, EN_CAB }, | |
2041 | { 380000, 0 , 10, 0x810F, 0x2c0, 0x2d12, 0xb84e, EN_CAB }, | |
2042 | { 600000, 0 , 10, 0x815E, 0x280, 0x2d12, 0xb84e, EN_CAB }, | |
2043 | { 660000, 0 , 5, 0x85E3, 0x280, 0x2d12, 0xb84e, EN_CAB }, | |
2044 | { 720000, 0 , 5, 0x852E, 0x280, 0x2d12, 0xb84e, EN_CAB }, | |
2045 | { 860000, 0 , 4, 0x85E5, 0x280, 0x2d12, 0xb84e, EN_CAB }, | |
2046 | #endif | |
2047 | }; | |
2048 | ||
2049 | int dib0090_update_tuning_table_7090(struct dvb_frontend *fe, | |
2050 | u8 cfg_sensitivity) | |
2051 | { | |
2052 | struct dib0090_state *state = fe->tuner_priv; | |
2053 | const struct dib0090_tuning *tune = | |
2054 | dib0090_tuning_table_cband_7090e_sensitivity; | |
2055 | const struct dib0090_tuning dib0090_tuning_table_cband_7090e_aci[] = { | |
2056 | { 300000, 0 , 3, 0x8165, 0x2c0, 0x2d12, 0xb84e, EN_CAB }, | |
2057 | { 650000, 0 , 4, 0x815B, 0x280, 0x2d12, 0xb84e, EN_CAB }, | |
2058 | { 860000, 0 , 5, 0x84EF, 0x280, 0x2d12, 0xb84e, EN_CAB }, | |
2059 | }; | |
2060 | ||
2061 | if ((!state->identity.p1g) || (!state->identity.in_soc) | |
2062 | || ((state->identity.version != SOC_7090_P1G_21R1) | |
2063 | && (state->identity.version != SOC_7090_P1G_11R1))) { | |
4bd1a8dd | 2064 | dprintk("%s() function can only be used for dib7090\n", __func__); |
6724a2f4 OG |
2065 | return -ENODEV; |
2066 | } | |
2067 | ||
2068 | if (cfg_sensitivity) | |
2069 | tune = dib0090_tuning_table_cband_7090e_sensitivity; | |
2070 | else | |
2071 | tune = dib0090_tuning_table_cband_7090e_aci; | |
2072 | ||
2073 | while (state->rf_request > tune->max_freq) | |
2074 | tune++; | |
2075 | ||
2076 | dib0090_write_reg(state, 0x09, (dib0090_read_reg(state, 0x09) & 0x8000) | |
2077 | | (tune->lna_bias & 0x7fff)); | |
2078 | dib0090_write_reg(state, 0x0b, (dib0090_read_reg(state, 0x0b) & 0xf83f) | |
2079 | | ((tune->lna_tune << 6) & 0x07c0)); | |
2080 | return 0; | |
2081 | } | |
2082 | EXPORT_SYMBOL(dib0090_update_tuning_table_7090); | |
2083 | ||
28fafca7 OG |
2084 | static int dib0090_captrim_search(struct dib0090_state *state, enum frontend_tune_state *tune_state) |
2085 | { | |
2086 | int ret = 0; | |
2087 | u16 lo4 = 0xe900; | |
2088 | ||
2089 | s16 adc_target; | |
2090 | u16 adc; | |
2091 | s8 step_sign; | |
2092 | u8 force_soft_search = 0; | |
2093 | ||
2094 | if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1) | |
2095 | force_soft_search = 1; | |
2096 | ||
2097 | if (*tune_state == CT_TUNER_START) { | |
4bd1a8dd MCC |
2098 | dprintk("Start Captrim search : %s\n", |
2099 | (force_soft_search == 1) ? "FORCE SOFT SEARCH" : "AUTO"); | |
28fafca7 OG |
2100 | dib0090_write_reg(state, 0x10, 0x2B1); |
2101 | dib0090_write_reg(state, 0x1e, 0x0032); | |
2102 | ||
2103 | if (!state->tuner_is_tuned) { | |
2104 | /* prepare a complete captrim */ | |
2105 | if (!state->identity.p1g || force_soft_search) | |
2106 | state->step = state->captrim = state->fcaptrim = 64; | |
2107 | ||
2108 | state->current_rf = state->rf_request; | |
2109 | } else { /* we are already tuned to this frequency - the configuration is correct */ | |
2110 | if (!state->identity.p1g || force_soft_search) { | |
2111 | /* do a minimal captrim even if the frequency has not changed */ | |
2112 | state->step = 4; | |
2113 | state->captrim = state->fcaptrim = dib0090_read_reg(state, 0x18) & 0x7f; | |
2114 | } | |
2115 | } | |
b4d6046e | 2116 | state->adc_diff = 3000; |
28fafca7 OG |
2117 | *tune_state = CT_TUNER_STEP_0; |
2118 | ||
2119 | } else if (*tune_state == CT_TUNER_STEP_0) { | |
2120 | if (state->identity.p1g && !force_soft_search) { | |
b4d6046e | 2121 | u8 ratio = 31; |
28fafca7 OG |
2122 | |
2123 | dib0090_write_reg(state, 0x40, (3 << 7) | (ratio << 2) | (1 << 1) | 1); | |
2124 | dib0090_read_reg(state, 0x40); | |
28fafca7 OG |
2125 | ret = 50; |
2126 | } else { | |
2127 | state->step /= 2; | |
2128 | dib0090_write_reg(state, 0x18, lo4 | state->captrim); | |
2129 | ||
2130 | if (state->identity.in_soc) | |
2131 | ret = 25; | |
2132 | } | |
2133 | *tune_state = CT_TUNER_STEP_1; | |
2134 | ||
2135 | } else if (*tune_state == CT_TUNER_STEP_1) { | |
2136 | if (state->identity.p1g && !force_soft_search) { | |
2137 | dib0090_write_reg(state, 0x40, 0x18c | (0 << 1) | 0); | |
2138 | dib0090_read_reg(state, 0x40); | |
2139 | ||
2140 | state->fcaptrim = dib0090_read_reg(state, 0x18) & 0x7F; | |
4bd1a8dd | 2141 | dprintk("***Final Captrim= 0x%x\n", state->fcaptrim); |
28fafca7 OG |
2142 | *tune_state = CT_TUNER_STEP_3; |
2143 | ||
2144 | } else { | |
2145 | /* MERGE for all krosus before P1G */ | |
2146 | adc = dib0090_get_slow_adc_val(state); | |
4bd1a8dd | 2147 | dprintk("CAPTRIM=%d; ADC = %d (ADC) & %dmV\n", (u32) state->captrim, (u32) adc, (u32) (adc) * (u32) 1800 / (u32) 1024); |
28fafca7 OG |
2148 | |
2149 | if (state->rest == 0 || state->identity.in_soc) { /* Just for 8090P SOCS where auto captrim HW bug : TO CHECK IN ACI for SOCS !!! if 400 for 8090p SOC => tune issue !!! */ | |
2150 | adc_target = 200; | |
2151 | } else | |
2152 | adc_target = 400; | |
2153 | ||
2154 | if (adc >= adc_target) { | |
2155 | adc -= adc_target; | |
2156 | step_sign = -1; | |
2157 | } else { | |
2158 | adc = adc_target - adc; | |
2159 | step_sign = 1; | |
2160 | } | |
2161 | ||
2162 | if (adc < state->adc_diff) { | |
4bd1a8dd | 2163 | dprintk("CAPTRIM=%d is closer to target (%d/%d)\n", (u32) state->captrim, (u32) adc, (u32) state->adc_diff); |
28fafca7 OG |
2164 | state->adc_diff = adc; |
2165 | state->fcaptrim = state->captrim; | |
28fafca7 OG |
2166 | } |
2167 | ||
2168 | state->captrim += step_sign * state->step; | |
2169 | if (state->step >= 1) | |
2170 | *tune_state = CT_TUNER_STEP_0; | |
2171 | else | |
2172 | *tune_state = CT_TUNER_STEP_2; | |
2173 | ||
b4d6046e | 2174 | ret = 25; |
28fafca7 OG |
2175 | } |
2176 | } else if (*tune_state == CT_TUNER_STEP_2) { /* this step is only used by krosus < P1G */ | |
2177 | /*write the final cptrim config */ | |
2178 | dib0090_write_reg(state, 0x18, lo4 | state->fcaptrim); | |
2179 | ||
2180 | *tune_state = CT_TUNER_STEP_3; | |
2181 | ||
2182 | } else if (*tune_state == CT_TUNER_STEP_3) { | |
2183 | state->calibrate &= ~CAPTRIM_CAL; | |
2184 | *tune_state = CT_TUNER_STEP_0; | |
2185 | } | |
2186 | ||
2187 | return ret; | |
2188 | } | |
2189 | ||
2190 | static int dib0090_get_temperature(struct dib0090_state *state, enum frontend_tune_state *tune_state) | |
2191 | { | |
2192 | int ret = 15; | |
2193 | s16 val; | |
2194 | ||
28fafca7 OG |
2195 | switch (*tune_state) { |
2196 | case CT_TUNER_START: | |
2197 | state->wbdmux = dib0090_read_reg(state, 0x10); | |
b4d6046e | 2198 | dib0090_write_reg(state, 0x10, (state->wbdmux & ~(0xff << 3)) | (0x8 << 3)); |
28fafca7 OG |
2199 | |
2200 | state->bias = dib0090_read_reg(state, 0x13); | |
b4d6046e | 2201 | dib0090_write_reg(state, 0x13, state->bias | (0x3 << 8)); |
28fafca7 OG |
2202 | |
2203 | *tune_state = CT_TUNER_STEP_0; | |
2204 | /* wait for the WBDMUX to switch and for the ADC to sample */ | |
2205 | break; | |
2206 | ||
2207 | case CT_TUNER_STEP_0: | |
b4d6046e OG |
2208 | state->adc_diff = dib0090_get_slow_adc_val(state); |
2209 | dib0090_write_reg(state, 0x13, (state->bias & ~(0x3 << 8)) | (0x2 << 8)); | |
28fafca7 OG |
2210 | *tune_state = CT_TUNER_STEP_1; |
2211 | break; | |
2212 | ||
2213 | case CT_TUNER_STEP_1: | |
b4d6046e OG |
2214 | val = dib0090_get_slow_adc_val(state); |
2215 | state->temperature = ((s16) ((val - state->adc_diff) * 180) >> 8) + 55; | |
28fafca7 | 2216 | |
4bd1a8dd | 2217 | dprintk("temperature: %d C\n", state->temperature - 30); |
28fafca7 OG |
2218 | |
2219 | *tune_state = CT_TUNER_STEP_2; | |
2220 | break; | |
2221 | ||
2222 | case CT_TUNER_STEP_2: | |
28fafca7 OG |
2223 | dib0090_write_reg(state, 0x13, state->bias); |
2224 | dib0090_write_reg(state, 0x10, state->wbdmux); /* write back original WBDMUX */ | |
2225 | ||
2226 | *tune_state = CT_TUNER_START; | |
2227 | state->calibrate &= ~TEMP_CAL; | |
2228 | if (state->config->analog_output == 0) | |
b4d6046e | 2229 | dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) | (1 << 14)); |
28fafca7 OG |
2230 | |
2231 | break; | |
2232 | ||
2233 | default: | |
2234 | ret = 0; | |
2235 | break; | |
2236 | } | |
2237 | return ret; | |
2238 | } | |
2239 | ||
03245a5e OG |
2240 | #define WBD 0x781 /* 1 1 1 1 0000 0 0 1 */ |
2241 | static int dib0090_tune(struct dvb_frontend *fe) | |
2242 | { | |
2243 | struct dib0090_state *state = fe->tuner_priv; | |
2244 | const struct dib0090_tuning *tune = state->current_tune_table_index; | |
2245 | const struct dib0090_pll *pll = state->current_pll_table_index; | |
2246 | enum frontend_tune_state *tune_state = &state->tune_state; | |
2247 | ||
28fafca7 | 2248 | u16 lo5, lo6, Den, tmp; |
03245a5e | 2249 | u32 FBDiv, Rest, FREF, VCOF_kHz = 0; |
03245a5e OG |
2250 | int ret = 10; /* 1ms is the default delay most of the time */ |
2251 | u8 c, i; | |
2252 | ||
28fafca7 | 2253 | /************************* VCO ***************************/ |
03245a5e OG |
2254 | /* Default values for FG */ |
2255 | /* from these are needed : */ | |
2256 | /* Cp,HFdiv,VCOband,SD,Num,Den,FB and REFDiv */ | |
2257 | ||
28fafca7 OG |
2258 | /* in any case we first need to do a calibration if needed */ |
2259 | if (*tune_state == CT_TUNER_START) { | |
2260 | /* deactivate DataTX before some calibrations */ | |
2261 | if (state->calibrate & (DC_CAL | TEMP_CAL | WBD_CAL)) | |
2262 | dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) & ~(1 << 14)); | |
b4d6046e OG |
2263 | else |
2264 | /* Activate DataTX in case a calibration has been done before */ | |
2265 | if (state->config->analog_output == 0) | |
2266 | dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) | (1 << 14)); | |
28fafca7 | 2267 | } |
03245a5e | 2268 | |
28fafca7 OG |
2269 | if (state->calibrate & DC_CAL) |
2270 | return dib0090_dc_offset_calibration(state, tune_state); | |
2271 | else if (state->calibrate & WBD_CAL) { | |
b4d6046e | 2272 | if (state->current_rf == 0) |
28fafca7 | 2273 | state->current_rf = state->fe->dtv_property_cache.frequency / 1000; |
28fafca7 OG |
2274 | return dib0090_wbd_calibration(state, tune_state); |
2275 | } else if (state->calibrate & TEMP_CAL) | |
2276 | return dib0090_get_temperature(state, tune_state); | |
2277 | else if (state->calibrate & CAPTRIM_CAL) | |
2278 | return dib0090_captrim_search(state, tune_state); | |
03245a5e | 2279 | |
28fafca7 OG |
2280 | if (*tune_state == CT_TUNER_START) { |
2281 | /* if soc and AGC pwm control, disengage mux to be able to R/W access to 0x01 register to set the right filter (cutoff_freq_select) during the tune sequence, otherwise, SOC SERPAR error when accessing to 0x01 */ | |
2282 | if (state->config->use_pwm_agc && state->identity.in_soc) { | |
2283 | tmp = dib0090_read_reg(state, 0x39); | |
2284 | if ((tmp >> 10) & 0x1) | |
b4d6046e | 2285 | dib0090_write_reg(state, 0x39, tmp & ~(1 << 10)); |
28fafca7 | 2286 | } |
03245a5e | 2287 | |
28fafca7 OG |
2288 | state->current_band = (u8) BAND_OF_FREQUENCY(state->fe->dtv_property_cache.frequency / 1000); |
2289 | state->rf_request = | |
2290 | state->fe->dtv_property_cache.frequency / 1000 + (state->current_band == | |
2291 | BAND_UHF ? state->config->freq_offset_khz_uhf : state->config-> | |
2292 | freq_offset_khz_vhf); | |
2293 | ||
2294 | /* in ISDB-T 1seg we shift tuning frequency */ | |
2295 | if ((state->fe->dtv_property_cache.delivery_system == SYS_ISDBT && state->fe->dtv_property_cache.isdbt_sb_mode == 1 | |
2296 | && state->fe->dtv_property_cache.isdbt_partial_reception == 0)) { | |
2297 | const struct dib0090_low_if_offset_table *LUT_offset = state->config->low_if; | |
2298 | u8 found_offset = 0; | |
2299 | u32 margin_khz = 100; | |
2300 | ||
2301 | if (LUT_offset != NULL) { | |
2302 | while (LUT_offset->RF_freq != 0xffff) { | |
2303 | if (((state->rf_request > (LUT_offset->RF_freq - margin_khz)) | |
2304 | && (state->rf_request < (LUT_offset->RF_freq + margin_khz))) | |
2305 | && LUT_offset->std == state->fe->dtv_property_cache.delivery_system) { | |
2306 | state->rf_request += LUT_offset->offset_khz; | |
2307 | found_offset = 1; | |
2308 | break; | |
2309 | } | |
2310 | LUT_offset++; | |
2311 | } | |
03245a5e | 2312 | } |
28fafca7 OG |
2313 | |
2314 | if (found_offset == 0) | |
2315 | state->rf_request += 400; | |
03245a5e | 2316 | } |
28fafca7 OG |
2317 | if (state->current_rf != state->rf_request || (state->current_standard != state->fe->dtv_property_cache.delivery_system)) { |
2318 | state->tuner_is_tuned = 0; | |
2319 | state->current_rf = 0; | |
2320 | state->current_standard = 0; | |
03245a5e | 2321 | |
28fafca7 OG |
2322 | tune = dib0090_tuning_table; |
2323 | if (state->identity.p1g) | |
2324 | tune = dib0090_p1g_tuning_table; | |
03245a5e | 2325 | |
28fafca7 | 2326 | tmp = (state->identity.version >> 5) & 0x7; |
03245a5e | 2327 | |
28fafca7 OG |
2328 | if (state->identity.in_soc) { |
2329 | if (state->config->force_cband_input) { /* Use the CBAND input for all band */ | |
2330 | if (state->current_band & BAND_CBAND || state->current_band & BAND_FM || state->current_band & BAND_VHF | |
2331 | || state->current_band & BAND_UHF) { | |
2332 | state->current_band = BAND_CBAND; | |
6724a2f4 OG |
2333 | if (state->config->is_dib7090e) |
2334 | tune = dib0090_tuning_table_cband_7090e_sensitivity; | |
2335 | else | |
2336 | tune = dib0090_tuning_table_cband_7090; | |
28fafca7 OG |
2337 | } |
2338 | } else { /* Use the CBAND input for all band under UHF */ | |
2339 | if (state->current_band & BAND_CBAND || state->current_band & BAND_FM || state->current_band & BAND_VHF) { | |
2340 | state->current_band = BAND_CBAND; | |
6724a2f4 OG |
2341 | if (state->config->is_dib7090e) |
2342 | tune = dib0090_tuning_table_cband_7090e_sensitivity; | |
2343 | else | |
2344 | tune = dib0090_tuning_table_cband_7090; | |
28fafca7 OG |
2345 | } |
2346 | } | |
2347 | } else | |
2348 | if (tmp == 0x4 || tmp == 0x7) { | |
2349 | /* CBAND tuner version for VHF */ | |
2350 | if (state->current_band == BAND_FM || state->current_band == BAND_CBAND || state->current_band == BAND_VHF) { | |
2351 | state->current_band = BAND_CBAND; /* Force CBAND */ | |
2352 | ||
2353 | tune = dib0090_tuning_table_fm_vhf_on_cband; | |
2354 | if (state->identity.p1g) | |
2355 | tune = dib0090_p1g_tuning_table_fm_vhf_on_cband; | |
2356 | } | |
2357 | } | |
03245a5e | 2358 | |
28fafca7 OG |
2359 | pll = dib0090_pll_table; |
2360 | if (state->identity.p1g) | |
2361 | pll = dib0090_p1g_pll_table; | |
03245a5e | 2362 | |
28fafca7 OG |
2363 | /* Look for the interval */ |
2364 | while (state->rf_request > tune->max_freq) | |
2365 | tune++; | |
2366 | while (state->rf_request > pll->max_freq) | |
2367 | pll++; | |
03245a5e | 2368 | |
28fafca7 OG |
2369 | state->current_tune_table_index = tune; |
2370 | state->current_pll_table_index = pll; | |
03245a5e | 2371 | |
28fafca7 | 2372 | dib0090_write_reg(state, 0x0b, 0xb800 | (tune->switch_trim)); |
03245a5e | 2373 | |
28fafca7 | 2374 | VCOF_kHz = (pll->hfdiv * state->rf_request) * 2; |
03245a5e | 2375 | |
b4d6046e | 2376 | FREF = state->config->io.clock_khz; |
28fafca7 OG |
2377 | if (state->config->fref_clock_ratio != 0) |
2378 | FREF /= state->config->fref_clock_ratio; | |
03245a5e OG |
2379 | |
2380 | FBDiv = (VCOF_kHz / pll->topresc / FREF); | |
b4d6046e | 2381 | Rest = (VCOF_kHz / pll->topresc) - FBDiv * FREF; |
03245a5e OG |
2382 | |
2383 | if (Rest < LPF) | |
2384 | Rest = 0; | |
2385 | else if (Rest < 2 * LPF) | |
2386 | Rest = 2 * LPF; | |
2387 | else if (Rest > (FREF - LPF)) { | |
2388 | Rest = 0; | |
2389 | FBDiv += 1; | |
b4d6046e | 2390 | } else if (Rest > (FREF - 2 * LPF)) |
03245a5e OG |
2391 | Rest = FREF - 2 * LPF; |
2392 | Rest = (Rest * 6528) / (FREF / 10); | |
28fafca7 | 2393 | state->rest = Rest; |
03245a5e | 2394 | |
28fafca7 OG |
2395 | /* external loop filter, otherwise: |
2396 | * lo5 = (0 << 15) | (0 << 12) | (0 << 11) | (3 << 9) | (4 << 6) | (3 << 4) | 4; | |
2397 | * lo6 = 0x0e34 */ | |
2398 | ||
2399 | if (Rest == 0) { | |
2400 | if (pll->vco_band) | |
2401 | lo5 = 0x049f; | |
28fafca7 OG |
2402 | else |
2403 | lo5 = 0x041f; | |
2404 | } else { | |
2405 | if (pll->vco_band) | |
2406 | lo5 = 0x049e; | |
2407 | else if (state->config->analog_output) | |
2408 | lo5 = 0x041d; | |
2409 | else | |
2410 | lo5 = 0x041c; | |
2411 | } | |
2412 | ||
2413 | if (state->identity.p1g) { /* Bias is done automatically in P1G */ | |
2414 | if (state->identity.in_soc) { | |
2415 | if (state->identity.version == SOC_8090_P1G_11R1) | |
2416 | lo5 = 0x46f; | |
2417 | else | |
2418 | lo5 = 0x42f; | |
2419 | } else | |
b4d6046e | 2420 | lo5 = 0x42c; |
28fafca7 OG |
2421 | } |
2422 | ||
2423 | lo5 |= (pll->hfdiv_code << 11) | (pll->vco_band << 7); /* bit 15 is the split to the slave, we do not do it here */ | |
2424 | ||
28fafca7 OG |
2425 | if (!state->config->io.pll_int_loop_filt) { |
2426 | if (state->identity.in_soc) | |
2427 | lo6 = 0xff98; | |
2428 | else if (state->identity.p1g || (Rest == 0)) | |
2429 | lo6 = 0xfff8; | |
2430 | else | |
2431 | lo6 = 0xff28; | |
2432 | } else | |
b4d6046e | 2433 | lo6 = (state->config->io.pll_int_loop_filt << 3); |
03245a5e | 2434 | |
28fafca7 | 2435 | Den = 1; |
03245a5e OG |
2436 | |
2437 | if (Rest > 0) { | |
2438 | if (state->config->analog_output) | |
b4d6046e | 2439 | lo6 |= (1 << 2) | 2; |
28fafca7 OG |
2440 | else { |
2441 | if (state->identity.in_soc) | |
b4d6046e | 2442 | lo6 |= (1 << 2) | 2; |
28fafca7 | 2443 | else |
b4d6046e | 2444 | lo6 |= (1 << 2) | 2; |
28fafca7 | 2445 | } |
03245a5e OG |
2446 | Den = 255; |
2447 | } | |
03245a5e | 2448 | dib0090_write_reg(state, 0x15, (u16) FBDiv); |
28fafca7 OG |
2449 | if (state->config->fref_clock_ratio != 0) |
2450 | dib0090_write_reg(state, 0x16, (Den << 8) | state->config->fref_clock_ratio); | |
2451 | else | |
2452 | dib0090_write_reg(state, 0x16, (Den << 8) | 1); | |
03245a5e | 2453 | dib0090_write_reg(state, 0x17, (u16) Rest); |
03245a5e | 2454 | dib0090_write_reg(state, 0x19, lo5); |
03245a5e OG |
2455 | dib0090_write_reg(state, 0x1c, lo6); |
2456 | ||
2457 | lo6 = tune->tuner_enable; | |
2458 | if (state->config->analog_output) | |
2459 | lo6 = (lo6 & 0xff9f) | 0x2; | |
2460 | ||
28fafca7 | 2461 | dib0090_write_reg(state, 0x24, lo6 | EN_LO | state->config->use_pwm_agc * EN_CRYSTAL); |
03245a5e | 2462 | |
03245a5e | 2463 | } |
03245a5e | 2464 | |
28fafca7 OG |
2465 | state->current_rf = state->rf_request; |
2466 | state->current_standard = state->fe->dtv_property_cache.delivery_system; | |
03245a5e OG |
2467 | |
2468 | ret = 20; | |
28fafca7 OG |
2469 | state->calibrate = CAPTRIM_CAL; /* captrim serach now */ |
2470 | } | |
03245a5e | 2471 | |
28fafca7 OG |
2472 | else if (*tune_state == CT_TUNER_STEP_0) { /* Warning : because of captrim cal, if you change this step, change it also in _cal.c file because it is the step following captrim cal state machine */ |
2473 | const struct dib0090_wbd_slope *wbd = state->current_wbd_table; | |
03245a5e | 2474 | |
28fafca7 OG |
2475 | while (state->current_rf / 1000 > wbd->max_freq) |
2476 | wbd++; | |
03245a5e | 2477 | |
28fafca7 | 2478 | dib0090_write_reg(state, 0x1e, 0x07ff); |
4bd1a8dd MCC |
2479 | dprintk("Final Captrim: %d\n", (u32) state->fcaptrim); |
2480 | dprintk("HFDIV code: %d\n", (u32) pll->hfdiv_code); | |
2481 | dprintk("VCO = %d\n", (u32) pll->vco_band); | |
2482 | dprintk("VCOF in kHz: %d ((%d*%d) << 1))\n", (u32) ((pll->hfdiv * state->rf_request) * 2), (u32) pll->hfdiv, (u32) state->rf_request); | |
2483 | dprintk("REFDIV: %d, FREF: %d\n", (u32) 1, (u32) state->config->io.clock_khz); | |
2484 | dprintk("FBDIV: %d, Rest: %d\n", (u32) dib0090_read_reg(state, 0x15), (u32) dib0090_read_reg(state, 0x17)); | |
2485 | dprintk("Num: %d, Den: %d, SD: %d\n", (u32) dib0090_read_reg(state, 0x17), (u32) (dib0090_read_reg(state, 0x16) >> 8), | |
28fafca7 | 2486 | (u32) dib0090_read_reg(state, 0x1c) & 0x3); |
03245a5e | 2487 | |
28fafca7 OG |
2488 | #define WBD 0x781 /* 1 1 1 1 0000 0 0 1 */ |
2489 | c = 4; | |
b4d6046e | 2490 | i = 3; |
03245a5e | 2491 | |
b4d6046e | 2492 | if (wbd->wbd_gain != 0) |
28fafca7 | 2493 | c = wbd->wbd_gain; |
03245a5e | 2494 | |
28fafca7 OG |
2495 | state->wbdmux = (c << 13) | (i << 11) | (WBD | (state->config->use_pwm_agc << 1)); |
2496 | dib0090_write_reg(state, 0x10, state->wbdmux); | |
03245a5e | 2497 | |
28fafca7 | 2498 | if ((tune->tuner_enable == EN_CAB) && state->identity.p1g) { |
4bd1a8dd | 2499 | dprintk("P1G : The cable band is selected and lna_tune = %d\n", tune->lna_tune); |
28fafca7 OG |
2500 | dib0090_write_reg(state, 0x09, tune->lna_bias); |
2501 | dib0090_write_reg(state, 0x0b, 0xb800 | (tune->lna_tune << 6) | (tune->switch_trim)); | |
2502 | } else | |
2503 | dib0090_write_reg(state, 0x09, (tune->lna_tune << 5) | tune->lna_bias); | |
03245a5e | 2504 | |
03245a5e OG |
2505 | dib0090_write_reg(state, 0x0c, tune->v2i); |
2506 | dib0090_write_reg(state, 0x0d, tune->mix); | |
2507 | dib0090_write_reg(state, 0x0e, tune->load); | |
28fafca7 | 2508 | *tune_state = CT_TUNER_STEP_1; |
03245a5e | 2509 | |
28fafca7 | 2510 | } else if (*tune_state == CT_TUNER_STEP_1) { |
03245a5e OG |
2511 | /* initialize the lt gain register */ |
2512 | state->rf_lt_def = 0x7c00; | |
03245a5e OG |
2513 | |
2514 | dib0090_set_bandwidth(state); | |
2515 | state->tuner_is_tuned = 1; | |
28fafca7 | 2516 | |
b4d6046e OG |
2517 | state->calibrate |= WBD_CAL; |
2518 | state->calibrate |= TEMP_CAL; | |
03245a5e OG |
2519 | *tune_state = CT_TUNER_STOP; |
2520 | } else | |
2521 | ret = FE_CALLBACK_TIME_NEVER; | |
2522 | return ret; | |
2523 | } | |
2524 | ||
f2709c20 MCC |
2525 | static void dib0090_release(struct dvb_frontend *fe) |
2526 | { | |
2527 | kfree(fe->tuner_priv); | |
2528 | fe->tuner_priv = NULL; | |
2529 | } | |
2530 | ||
03245a5e OG |
2531 | enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe) |
2532 | { | |
2533 | struct dib0090_state *state = fe->tuner_priv; | |
2534 | ||
2535 | return state->tune_state; | |
2536 | } | |
28fafca7 | 2537 | |
03245a5e OG |
2538 | EXPORT_SYMBOL(dib0090_get_tune_state); |
2539 | ||
2540 | int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state) | |
2541 | { | |
2542 | struct dib0090_state *state = fe->tuner_priv; | |
2543 | ||
2544 | state->tune_state = tune_state; | |
2545 | return 0; | |
2546 | } | |
28fafca7 | 2547 | |
03245a5e OG |
2548 | EXPORT_SYMBOL(dib0090_set_tune_state); |
2549 | ||
2550 | static int dib0090_get_frequency(struct dvb_frontend *fe, u32 * frequency) | |
2551 | { | |
2552 | struct dib0090_state *state = fe->tuner_priv; | |
2553 | ||
2554 | *frequency = 1000 * state->current_rf; | |
2555 | return 0; | |
2556 | } | |
2557 | ||
14d24d14 | 2558 | static int dib0090_set_params(struct dvb_frontend *fe) |
03245a5e OG |
2559 | { |
2560 | struct dib0090_state *state = fe->tuner_priv; | |
28fafca7 | 2561 | u32 ret; |
03245a5e OG |
2562 | |
2563 | state->tune_state = CT_TUNER_START; | |
2564 | ||
2565 | do { | |
2566 | ret = dib0090_tune(fe); | |
0de04ca1 | 2567 | if (ret == FE_CALLBACK_TIME_NEVER) |
03245a5e | 2568 | break; |
0de04ca1 MCC |
2569 | |
2570 | /* | |
2571 | * Despite dib0090_tune returns time at a 0.1 ms range, | |
2572 | * the actual sleep time depends on CONFIG_HZ. The worse case | |
2573 | * is when CONFIG_HZ=100. In such case, the minimum granularity | |
2574 | * is 10ms. On some real field tests, the tuner sometimes don't | |
2575 | * lock when this timer is lower than 10ms. So, enforce a 10ms | |
2576 | * granularity and use usleep_range() instead of msleep(). | |
2577 | */ | |
2578 | ret = 10 * (ret + 99)/100; | |
2579 | usleep_range(ret * 1000, (ret + 1) * 1000); | |
03245a5e OG |
2580 | } while (state->tune_state != CT_TUNER_STOP); |
2581 | ||
2582 | return 0; | |
2583 | } | |
2584 | ||
2585 | static const struct dvb_tuner_ops dib0090_ops = { | |
2586 | .info = { | |
2587 | .name = "DiBcom DiB0090", | |
2588 | .frequency_min = 45000000, | |
2589 | .frequency_max = 860000000, | |
2590 | .frequency_step = 1000, | |
2591 | }, | |
f2709c20 | 2592 | .release = dib0090_release, |
03245a5e OG |
2593 | |
2594 | .init = dib0090_wakeup, | |
2595 | .sleep = dib0090_sleep, | |
2596 | .set_params = dib0090_set_params, | |
2597 | .get_frequency = dib0090_get_frequency, | |
2598 | }; | |
2599 | ||
28fafca7 OG |
2600 | static const struct dvb_tuner_ops dib0090_fw_ops = { |
2601 | .info = { | |
2602 | .name = "DiBcom DiB0090", | |
2603 | .frequency_min = 45000000, | |
2604 | .frequency_max = 860000000, | |
2605 | .frequency_step = 1000, | |
2606 | }, | |
f2709c20 | 2607 | .release = dib0090_release, |
28fafca7 OG |
2608 | |
2609 | .init = NULL, | |
2610 | .sleep = NULL, | |
2611 | .set_params = NULL, | |
2612 | .get_frequency = NULL, | |
2613 | }; | |
2614 | ||
2615 | static const struct dib0090_wbd_slope dib0090_wbd_table_default[] = { | |
2616 | {470, 0, 250, 0, 100, 4}, | |
2617 | {860, 51, 866, 21, 375, 4}, | |
b4d6046e OG |
2618 | {1700, 0, 800, 0, 850, 4}, |
2619 | {2900, 0, 250, 0, 100, 6}, | |
28fafca7 OG |
2620 | {0xFFFF, 0, 0, 0, 0, 0}, |
2621 | }; | |
2622 | ||
03245a5e OG |
2623 | struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config) |
2624 | { | |
2625 | struct dib0090_state *st = kzalloc(sizeof(struct dib0090_state), GFP_KERNEL); | |
2626 | if (st == NULL) | |
2627 | return NULL; | |
2628 | ||
2629 | st->config = config; | |
2630 | st->i2c = i2c; | |
2631 | st->fe = fe; | |
79fcce32 | 2632 | mutex_init(&st->i2c_buffer_lock); |
03245a5e OG |
2633 | fe->tuner_priv = st; |
2634 | ||
28fafca7 OG |
2635 | if (config->wbd == NULL) |
2636 | st->current_wbd_table = dib0090_wbd_table_default; | |
2637 | else | |
2638 | st->current_wbd_table = config->wbd; | |
2639 | ||
03245a5e OG |
2640 | if (dib0090_reset(fe) != 0) |
2641 | goto free_mem; | |
2642 | ||
4bd1a8dd | 2643 | pr_info("DiB0090: successfully identified\n"); |
03245a5e OG |
2644 | memcpy(&fe->ops.tuner_ops, &dib0090_ops, sizeof(struct dvb_tuner_ops)); |
2645 | ||
2646 | return fe; | |
2647 | free_mem: | |
2648 | kfree(st); | |
2649 | fe->tuner_priv = NULL; | |
2650 | return NULL; | |
2651 | } | |
28fafca7 | 2652 | |
03245a5e OG |
2653 | EXPORT_SYMBOL(dib0090_register); |
2654 | ||
28fafca7 OG |
2655 | struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config) |
2656 | { | |
2657 | struct dib0090_fw_state *st = kzalloc(sizeof(struct dib0090_fw_state), GFP_KERNEL); | |
2658 | if (st == NULL) | |
2659 | return NULL; | |
2660 | ||
2661 | st->config = config; | |
2662 | st->i2c = i2c; | |
2663 | st->fe = fe; | |
79fcce32 | 2664 | mutex_init(&st->i2c_buffer_lock); |
28fafca7 OG |
2665 | fe->tuner_priv = st; |
2666 | ||
2667 | if (dib0090_fw_reset_digital(fe, st->config) != 0) | |
2668 | goto free_mem; | |
2669 | ||
4bd1a8dd | 2670 | dprintk("DiB0090 FW: successfully identified\n"); |
28fafca7 OG |
2671 | memcpy(&fe->ops.tuner_ops, &dib0090_fw_ops, sizeof(struct dvb_tuner_ops)); |
2672 | ||
2673 | return fe; | |
b4d6046e | 2674 | free_mem: |
28fafca7 OG |
2675 | kfree(st); |
2676 | fe->tuner_priv = NULL; | |
2677 | return NULL; | |
2678 | } | |
28fafca7 OG |
2679 | EXPORT_SYMBOL(dib0090_fw_register); |
2680 | ||
99e44da7 PB |
2681 | MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); |
2682 | MODULE_AUTHOR("Olivier Grenie <olivier.grenie@parrot.com>"); | |
03245a5e OG |
2683 | MODULE_DESCRIPTION("Driver for the DiBcom 0090 base-band RF Tuner"); |
2684 | MODULE_LICENSE("GPL"); |