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Commit | Line | Data |
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0d46748c ST |
1 | /* |
2 | Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver | |
3 | ||
4 | Copyright (C) 2006-2008 Steven Toth <stoth@hauppauge.com> | |
490c8684 DB |
5 | Copyright (C) 2006-2007 Georg Acher |
6 | Copyright (C) 2007-2008 Darron Broad | |
7 | March 2007 | |
8 | Fixed some bugs. | |
9 | Added diseqc support. | |
10 | Added corrected signal strength support. | |
11 | August 2007 | |
12 | Sync with legacy version. | |
13 | Some clean ups. | |
14 | Copyright (C) 2008 Igor Liplianin | |
15 | September, 9th 2008 | |
16 | Fixed locking on high symbol rates (>30000). | |
0d46748c ST |
17 | |
18 | This program is free software; you can redistribute it and/or modify | |
19 | it under the terms of the GNU General Public License as published by | |
20 | the Free Software Foundation; either version 2 of the License, or | |
21 | (at your option) any later version. | |
22 | ||
23 | This program is distributed in the hope that it will be useful, | |
24 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | GNU General Public License for more details. | |
27 | ||
28 | You should have received a copy of the GNU General Public License | |
29 | along with this program; if not, write to the Free Software | |
30 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
31 | */ | |
32 | ||
0d46748c ST |
33 | #include <linux/slab.h> |
34 | #include <linux/kernel.h> | |
35 | #include <linux/module.h> | |
36 | #include <linux/moduleparam.h> | |
37 | #include <linux/init.h> | |
38 | #include <linux/firmware.h> | |
39 | ||
40 | #include "dvb_frontend.h" | |
41 | #include "cx24116.h" | |
42 | ||
490c8684 DB |
43 | static int debug = 0; |
44 | #define dprintk(args...) \ | |
45 | do { \ | |
46 | if (debug) printk ("cx24116: " args); \ | |
47 | } while (0) | |
48 | ||
0d46748c ST |
49 | #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw" |
50 | #define CX24116_SEARCH_RANGE_KHZ 5000 | |
51 | ||
490c8684 DB |
52 | /* known registers */ |
53 | #define CX24116_REG_COMMAND (0x00) /* command args 0x00..0x1e */ | |
54 | #define CX24116_REG_EXECUTE (0x1f) /* execute command */ | |
55 | #define CX24116_REG_MAILBOX (0x96) /* FW or multipurpose mailbox? */ | |
56 | #define CX24116_REG_RESET (0x20) /* reset status > 0 */ | |
57 | #define CX24116_REG_SIGNAL (0x9e) /* signal low */ | |
58 | #define CX24116_REG_SSTATUS (0x9d) /* signal high / status */ | |
59 | #define CX24116_REG_QSTATUS (0xbc) | |
60 | #define CX24116_REG_QUALITY (0xd5) | |
61 | #define CX24116_REG_BER0 (0xc9) | |
62 | #define CX24116_REG_BER8 (0xc8) | |
63 | #define CX24116_REG_BER16 (0xc7) | |
64 | #define CX24116_REG_BER24 (0xc6) | |
65 | #define CX24116_REG_UCB0 (0xcb) | |
66 | #define CX24116_REG_UCB8 (0xca) | |
67 | #define CX24116_REG_CLKDIV (0xf3) | |
68 | #define CX24116_REG_RATEDIV (0xf9) | |
0d46748c ST |
69 | |
70 | /* arg buffer size */ | |
71 | #define CX24116_ARGLEN (0x1e) | |
72 | ||
490c8684 DB |
73 | /* rolloff */ |
74 | #define CX24116_ROLLOFF_020 (0x00) | |
75 | #define CX24116_ROLLOFF_025 (0x01) | |
76 | #define CX24116_ROLLOFF_035 (0x02) | |
77 | ||
78 | /* pilot bit */ | |
79 | #define CX24116_PILOT (0x40) | |
80 | ||
81 | /* signal status */ | |
82 | #define CX24116_HAS_SIGNAL (0x01) | |
83 | #define CX24116_HAS_CARRIER (0x02) | |
84 | #define CX24116_HAS_VITERBI (0x04) | |
85 | #define CX24116_HAS_SYNCLOCK (0x08) | |
86 | #define CX24116_HAS_UNKNOWN1 (0x10) | |
87 | #define CX24116_HAS_UNKNOWN2 (0x20) | |
88 | #define CX24116_STATUS_MASK (0x3f) | |
89 | #define CX24116_SIGNAL_MASK (0xc0) | |
90 | ||
91 | #define CX24116_DISEQC_TONEOFF (0) /* toneburst never sent */ | |
92 | #define CX24116_DISEQC_TONECACHE (1) /* toneburst cached */ | |
93 | #define CX24116_DISEQC_MESGCACHE (2) /* message cached */ | |
94 | ||
0d46748c ST |
95 | /* arg offset for DiSEqC */ |
96 | #define CX24116_DISEQC_BURST (1) | |
97 | #define CX24116_DISEQC_ARG2_2 (2) /* unknown value=2 */ | |
98 | #define CX24116_DISEQC_ARG3_0 (3) /* unknown value=0 */ | |
99 | #define CX24116_DISEQC_ARG4_0 (4) /* unknown value=0 */ | |
100 | #define CX24116_DISEQC_MSGLEN (5) | |
101 | #define CX24116_DISEQC_MSGOFS (6) | |
102 | ||
103 | /* DiSEqC burst */ | |
104 | #define CX24116_DISEQC_MINI_A (0) | |
105 | #define CX24116_DISEQC_MINI_B (1) | |
106 | ||
490c8684 DB |
107 | /* DiSEqC tone burst */ |
108 | static int toneburst = 1; | |
109 | ||
0d46748c ST |
110 | enum cmds |
111 | { | |
490c8684 | 112 | CMD_SET_VCO = 0x10, |
0d46748c | 113 | CMD_TUNEREQUEST = 0x11, |
490c8684 DB |
114 | CMD_MPEGCONFIG = 0x13, |
115 | CMD_TUNERINIT = 0x14, | |
116 | CMD_BANDWIDTH = 0x15, | |
117 | CMD_GETAGC = 0x19, | |
118 | CMD_LNBCONFIG = 0x20, | |
119 | CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */ | |
0d46748c ST |
120 | CMD_SET_TONEPRE = 0x22, |
121 | CMD_SET_TONE = 0x23, | |
490c8684 DB |
122 | CMD_UPDFWVERS = 0x35, |
123 | CMD_TUNERSLEEP = 0x36, | |
124 | CMD_AGCCONTROL = 0x3b, /* Unknown */ | |
0d46748c ST |
125 | }; |
126 | ||
127 | /* The Demod/Tuner can't easily provide these, we cache them */ | |
128 | struct cx24116_tuning | |
129 | { | |
130 | u32 frequency; | |
131 | u32 symbol_rate; | |
132 | fe_spectral_inversion_t inversion; | |
133 | fe_code_rate_t fec; | |
134 | ||
135 | fe_modulation_t modulation; | |
490c8684 DB |
136 | fe_pilot_t pilot; |
137 | fe_rolloff_t rolloff; | |
0d46748c ST |
138 | |
139 | /* Demod values */ | |
140 | u8 fec_val; | |
141 | u8 fec_mask; | |
142 | u8 inversion_val; | |
490c8684 | 143 | u8 rolloff_val; |
0d46748c ST |
144 | }; |
145 | ||
146 | /* Basic commands that are sent to the firmware */ | |
147 | struct cx24116_cmd | |
148 | { | |
149 | u8 len; | |
150 | u8 args[CX24116_ARGLEN]; | |
151 | }; | |
152 | ||
153 | struct cx24116_state | |
154 | { | |
155 | struct i2c_adapter* i2c; | |
156 | const struct cx24116_config* config; | |
157 | ||
158 | struct dvb_frontend frontend; | |
159 | ||
160 | struct cx24116_tuning dcur; | |
161 | struct cx24116_tuning dnxt; | |
162 | ||
163 | u8 skip_fw_load; | |
164 | u8 burst; | |
490c8684 | 165 | struct cx24116_cmd dsec_cmd; |
0d46748c ST |
166 | }; |
167 | ||
168 | static int cx24116_writereg(struct cx24116_state* state, int reg, int data) | |
169 | { | |
170 | u8 buf[] = { reg, data }; | |
171 | struct i2c_msg msg = { .addr = state->config->demod_address, | |
172 | .flags = 0, .buf = buf, .len = 2 }; | |
173 | int err; | |
174 | ||
175 | if (debug>1) | |
176 | printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n", | |
177 | __func__,reg, data); | |
178 | ||
179 | if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { | |
180 | printk("%s: writereg error(err == %i, reg == 0x%02x," | |
181 | " value == 0x%02x)\n", __func__, err, reg, data); | |
182 | return -EREMOTEIO; | |
183 | } | |
184 | ||
185 | return 0; | |
186 | } | |
187 | ||
188 | /* Bulk byte writes to a single I2C address, for 32k firmware load */ | |
189 | static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16 len) | |
190 | { | |
191 | int ret = -EREMOTEIO; | |
192 | struct i2c_msg msg; | |
193 | u8 *buf; | |
194 | ||
195 | buf = kmalloc(len + 1, GFP_KERNEL); | |
196 | if (buf == NULL) { | |
197 | printk("Unable to kmalloc\n"); | |
198 | ret = -ENOMEM; | |
199 | goto error; | |
200 | } | |
201 | ||
202 | *(buf) = reg; | |
203 | memcpy(buf + 1, data, len); | |
204 | ||
205 | msg.addr = state->config->demod_address; | |
206 | msg.flags = 0; | |
207 | msg.buf = buf; | |
208 | msg.len = len + 1; | |
209 | ||
210 | if (debug>1) | |
211 | printk("cx24116: %s: write regN 0x%02x, len = %d\n", | |
212 | __func__,reg, len); | |
213 | ||
214 | if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1) { | |
215 | printk("%s: writereg error(err == %i, reg == 0x%02x\n", | |
216 | __func__, ret, reg); | |
217 | ret = -EREMOTEIO; | |
218 | } | |
219 | ||
220 | error: | |
221 | kfree(buf); | |
222 | ||
223 | return ret; | |
224 | } | |
225 | ||
226 | static int cx24116_readreg(struct cx24116_state* state, u8 reg) | |
227 | { | |
228 | int ret; | |
229 | u8 b0[] = { reg }; | |
230 | u8 b1[] = { 0 }; | |
231 | struct i2c_msg msg[] = { | |
232 | { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, | |
233 | { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } | |
234 | }; | |
235 | ||
236 | ret = i2c_transfer(state->i2c, msg, 2); | |
237 | ||
238 | if (ret != 2) { | |
239 | printk("%s: reg=0x%x (error=%d)\n", __func__, reg, ret); | |
240 | return ret; | |
241 | } | |
242 | ||
243 | if (debug>1) | |
244 | printk("cx24116: read reg 0x%02x, value 0x%02x\n",reg, b1[0]); | |
245 | ||
246 | return b1[0]; | |
247 | } | |
248 | ||
249 | static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_inversion_t inversion) | |
250 | { | |
251 | dprintk("%s(%d)\n", __func__, inversion); | |
252 | ||
253 | switch (inversion) { | |
254 | case INVERSION_OFF: | |
255 | state->dnxt.inversion_val = 0x00; | |
256 | break; | |
257 | case INVERSION_ON: | |
258 | state->dnxt.inversion_val = 0x04; | |
259 | break; | |
260 | case INVERSION_AUTO: | |
261 | state->dnxt.inversion_val = 0x0C; | |
262 | break; | |
263 | default: | |
264 | return -EINVAL; | |
265 | } | |
266 | ||
267 | state->dnxt.inversion = inversion; | |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
490c8684 DB |
272 | /* |
273 | * modfec (modulation and FEC) | |
274 | * =========================== | |
275 | * | |
276 | * MOD FEC mask/val standard | |
277 | * ---- -------- ----------- -------- | |
278 | * QPSK FEC_1_2 0x02 0x02+X DVB-S | |
279 | * QPSK FEC_2_3 0x04 0x02+X DVB-S | |
280 | * QPSK FEC_3_4 0x08 0x02+X DVB-S | |
281 | * QPSK FEC_4_5 0x10 0x02+X DVB-S (?) | |
282 | * QPSK FEC_5_6 0x20 0x02+X DVB-S | |
283 | * QPSK FEC_6_7 0x40 0x02+X DVB-S | |
284 | * QPSK FEC_7_8 0x80 0x02+X DVB-S | |
285 | * QPSK FEC_8_9 0x01 0x02+X DVB-S (?) (NOT SUPPORTED?) | |
286 | * QPSK AUTO 0xff 0x02+X DVB-S | |
287 | * | |
288 | * For DVB-S high byte probably represents FEC | |
289 | * and low byte selects the modulator. The high | |
290 | * byte is search range mask. Bit 5 may turn | |
291 | * on DVB-S and remaining bits represent some | |
292 | * kind of calibration (how/what i do not know). | |
293 | * | |
294 | * Eg.(2/3) szap "Zone Horror" | |
295 | * | |
296 | * mask/val = 0x04, 0x20 | |
297 | * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 00000000 | FE_HAS_LOCK | |
298 | * | |
299 | * mask/val = 0x04, 0x30 | |
300 | * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 00000000 | FE_HAS_LOCK | |
301 | * | |
302 | * After tuning FECSTATUS contains actual FEC | |
303 | * in use numbered 1 through to 8 for 1/2 .. 2/3 etc | |
304 | * | |
305 | * NBC=NOT/NON BACKWARD COMPATIBLE WITH DVB-S (DVB-S2 only) | |
306 | * | |
307 | * NBC-QPSK FEC_1_2 0x00, 0x04 DVB-S2 | |
308 | * NBC-QPSK FEC_3_5 0x00, 0x05 DVB-S2 | |
309 | * NBC-QPSK FEC_2_3 0x00, 0x06 DVB-S2 | |
310 | * NBC-QPSK FEC_3_4 0x00, 0x07 DVB-S2 | |
311 | * NBC-QPSK FEC_4_5 0x00, 0x08 DVB-S2 | |
312 | * NBC-QPSK FEC_5_6 0x00, 0x09 DVB-S2 | |
313 | * NBC-QPSK FEC_8_9 0x00, 0x0a DVB-S2 | |
314 | * NBC-QPSK FEC_9_10 0x00, 0x0b DVB-S2 | |
315 | * | |
316 | * NBC-8PSK FEC_3_5 0x00, 0x0c DVB-S2 | |
317 | * NBC-8PSK FEC_2_3 0x00, 0x0d DVB-S2 | |
318 | * NBC-8PSK FEC_3_4 0x00, 0x0e DVB-S2 | |
319 | * NBC-8PSK FEC_5_6 0x00, 0x0f DVB-S2 | |
320 | * NBC-8PSK FEC_8_9 0x00, 0x10 DVB-S2 | |
321 | * NBC-8PSK FEC_9_10 0x00, 0x11 DVB-S2 | |
322 | * | |
323 | * For DVB-S2 low bytes selects both modulator | |
324 | * and FEC. High byte is meaningless here. To | |
325 | * set pilot, bit 6 (0x40) is set. When inspecting | |
326 | * FECSTATUS bit 7 (0x80) represents the pilot | |
327 | * selection whilst not tuned. When tuned, actual FEC | |
328 | * in use is found in FECSTATUS as per above. Pilot | |
329 | * value is reset. | |
330 | */ | |
331 | ||
0d46748c ST |
332 | /* A table of modulation, fec and configuration bytes for the demod. |
333 | * Not all S2 mmodulation schemes are support and not all rates with | |
334 | * a scheme are support. Especially, no auto detect when in S2 mode. | |
335 | */ | |
336 | struct cx24116_modfec { | |
337 | fe_modulation_t modulation; | |
338 | fe_code_rate_t fec; | |
339 | u8 mask; /* In DVBS mode this is used to autodetect */ | |
340 | u8 val; /* Passed to the firmware to indicate mode selection */ | |
341 | } CX24116_MODFEC_MODES[] = { | |
342 | /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ | |
490c8684 DB |
343 | |
344 | /*mod fec mask val */ | |
0d46748c | 345 | { QPSK, FEC_NONE, 0xfe, 0x30 }, |
490c8684 DB |
346 | { QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ |
347 | { QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ | |
348 | { QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ | |
349 | { QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ | |
350 | { QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ | |
351 | { QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ | |
352 | { QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ | |
353 | { QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ | |
0d46748c ST |
354 | { QPSK, FEC_AUTO, 0xfe, 0x30 }, |
355 | /* NBC-QPSK */ | |
356 | { NBC_QPSK, FEC_1_2, 0x00, 0x04 }, | |
357 | { NBC_QPSK, FEC_3_5, 0x00, 0x05 }, | |
358 | { NBC_QPSK, FEC_2_3, 0x00, 0x06 }, | |
359 | { NBC_QPSK, FEC_3_4, 0x00, 0x07 }, | |
360 | { NBC_QPSK, FEC_4_5, 0x00, 0x08 }, | |
361 | { NBC_QPSK, FEC_5_6, 0x00, 0x09 }, | |
362 | { NBC_QPSK, FEC_8_9, 0x00, 0x0a }, | |
363 | { NBC_QPSK, FEC_9_10, 0x00, 0x0b }, | |
364 | /* 8PSK */ | |
365 | { _8PSK, FEC_3_5, 0x00, 0x0c }, | |
366 | { _8PSK, FEC_2_3, 0x00, 0x0d }, | |
367 | { _8PSK, FEC_3_4, 0x00, 0x0e }, | |
368 | { _8PSK, FEC_5_6, 0x00, 0x0f }, | |
490c8684 | 369 | { _8PSK, FEC_8_9, 0x00, 0x10 }, |
0d46748c | 370 | { _8PSK, FEC_9_10, 0x00, 0x11 }, |
490c8684 DB |
371 | /* |
372 | * `val' can be found in the FECSTATUS register when tuning. | |
373 | * FECSTATUS will give the actual FEC in use if tuning was successful. | |
374 | */ | |
0d46748c ST |
375 | }; |
376 | ||
377 | static int cx24116_lookup_fecmod(struct cx24116_state* state, | |
378 | fe_modulation_t m, fe_code_rate_t f) | |
379 | { | |
380 | int i, ret = -EOPNOTSUPP; | |
381 | ||
490c8684 DB |
382 | dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f); |
383 | ||
0d46748c ST |
384 | for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++) |
385 | { | |
386 | if( (m == CX24116_MODFEC_MODES[i].modulation) && | |
387 | (f == CX24116_MODFEC_MODES[i].fec) ) | |
388 | { | |
389 | ret = i; | |
390 | break; | |
391 | } | |
392 | } | |
393 | ||
394 | return ret; | |
395 | } | |
396 | ||
397 | static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec) | |
398 | { | |
399 | int ret = 0; | |
490c8684 DB |
400 | |
401 | dprintk("%s(0x%02x,0x%02x)\n", __func__, mod, fec); | |
0d46748c ST |
402 | |
403 | ret = cx24116_lookup_fecmod(state, mod, fec); | |
404 | ||
405 | if(ret < 0) | |
406 | return ret; | |
407 | ||
490c8684 | 408 | state->dnxt.fec = fec; |
0d46748c ST |
409 | state->dnxt.fec_val = CX24116_MODFEC_MODES[ret].val; |
410 | state->dnxt.fec_mask = CX24116_MODFEC_MODES[ret].mask; | |
490c8684 DB |
411 | dprintk("%s() mask/val = 0x%02x/0x%02x\n", __func__, |
412 | state->dnxt.fec_mask, state->dnxt.fec_val); | |
0d46748c ST |
413 | |
414 | return 0; | |
415 | } | |
416 | ||
417 | static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate) | |
418 | { | |
490c8684 | 419 | dprintk("%s(%d)\n", __func__, rate); |
0d46748c | 420 | |
490c8684 DB |
421 | /* check if symbol rate is within limits */ |
422 | if ((rate > state->frontend.ops.info.symbol_rate_max) || | |
423 | (rate < state->frontend.ops.info.symbol_rate_min)) { | |
424 | dprintk("%s() unsupported symbol_rate = %d\n", __func__, rate); | |
425 | return -EOPNOTSUPP; | |
426 | } | |
0d46748c ST |
427 | |
428 | state->dnxt.symbol_rate = rate; | |
490c8684 | 429 | dprintk("%s() symbol_rate = %d\n", __func__, rate); |
0d46748c | 430 | |
490c8684 | 431 | return 0; |
0d46748c ST |
432 | } |
433 | ||
434 | static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw); | |
435 | ||
436 | static int cx24116_firmware_ondemand(struct dvb_frontend* fe) | |
437 | { | |
438 | struct cx24116_state *state = fe->demodulator_priv; | |
439 | const struct firmware *fw; | |
440 | int ret = 0; | |
441 | ||
442 | dprintk("%s()\n",__func__); | |
443 | ||
444 | if (cx24116_readreg(state, 0x20) > 0) | |
445 | { | |
446 | ||
447 | if (state->skip_fw_load) | |
448 | return 0; | |
449 | ||
450 | /* Load firmware */ | |
451 | /* request the firmware, this will block until someone uploads it */ | |
452 | printk("%s: Waiting for firmware upload (%s)...\n", __func__, CX24116_DEFAULT_FIRMWARE); | |
453 | ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE, &state->i2c->dev); | |
454 | printk("%s: Waiting for firmware upload(2)...\n", __func__); | |
455 | if (ret) { | |
456 | printk("%s: No firmware uploaded (timeout or file not found?)\n", __func__); | |
457 | return ret; | |
458 | } | |
459 | ||
460 | /* Make sure we don't recurse back through here during loading */ | |
461 | state->skip_fw_load = 1; | |
462 | ||
463 | ret = cx24116_load_firmware(fe, fw); | |
464 | if (ret) | |
465 | printk("%s: Writing firmware to device failed\n", __func__); | |
466 | ||
467 | release_firmware(fw); | |
468 | ||
469 | printk("%s: Firmware upload %s\n", __func__, ret == 0 ? "complete" : "failed"); | |
470 | ||
471 | /* Ensure firmware is always loaded if required */ | |
472 | state->skip_fw_load = 0; | |
473 | } | |
474 | ||
475 | return ret; | |
476 | } | |
477 | ||
478 | /* Take a basic firmware command structure, format it and forward it for processing */ | |
479 | static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd) | |
480 | { | |
481 | struct cx24116_state *state = fe->demodulator_priv; | |
482 | int i, ret; | |
483 | ||
484 | dprintk("%s()\n", __func__); | |
485 | ||
486 | /* Load the firmware if required */ | |
487 | if ( (ret = cx24116_firmware_ondemand(fe)) != 0) | |
488 | { | |
489 | printk("%s(): Unable initialise the firmware\n", __func__); | |
490 | return ret; | |
491 | } | |
492 | ||
493 | /* Write the command */ | |
494 | for(i = 0; i < cmd->len ; i++) | |
495 | { | |
496 | dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]); | |
497 | cx24116_writereg(state, i, cmd->args[i]); | |
498 | } | |
499 | ||
500 | /* Start execution and wait for cmd to terminate */ | |
490c8684 DB |
501 | cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01); |
502 | while( cx24116_readreg(state, CX24116_REG_EXECUTE) ) | |
0d46748c ST |
503 | { |
504 | msleep(10); | |
505 | if(i++ > 64) | |
506 | { | |
507 | /* Avoid looping forever if the firmware does no respond */ | |
508 | printk("%s() Firmware not responding\n", __func__); | |
509 | return -EREMOTEIO; | |
510 | } | |
511 | } | |
512 | return 0; | |
513 | } | |
514 | ||
515 | static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) | |
516 | { | |
517 | struct cx24116_state* state = fe->demodulator_priv; | |
518 | struct cx24116_cmd cmd; | |
490c8684 DB |
519 | int i, ret; |
520 | unsigned char vers[4]; | |
0d46748c ST |
521 | |
522 | dprintk("%s\n", __func__); | |
523 | dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n" | |
524 | ,fw->size | |
525 | ,fw->data[0] | |
526 | ,fw->data[1] | |
527 | ,fw->data[ fw->size-2 ] | |
528 | ,fw->data[ fw->size-1 ] | |
529 | ); | |
530 | ||
531 | /* Toggle 88x SRST pin to reset demod */ | |
532 | if (state->config->reset_device) | |
533 | state->config->reset_device(fe); | |
534 | ||
535 | /* Begin the firmware load process */ | |
536 | /* Prepare the demod, load the firmware, cleanup after load */ | |
490c8684 DB |
537 | |
538 | /* Init PLL */ | |
539 | cx24116_writereg(state, 0xE5, 0x00); | |
0d46748c | 540 | cx24116_writereg(state, 0xF1, 0x08); |
490c8684 DB |
541 | cx24116_writereg(state, 0xF2, 0x13); |
542 | ||
543 | /* Start PLL */ | |
544 | cx24116_writereg(state, 0xe0, 0x03); | |
545 | cx24116_writereg(state, 0xe0, 0x00); | |
546 | ||
547 | /* Unknown */ | |
548 | cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46); | |
549 | cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); | |
0d46748c | 550 | |
490c8684 | 551 | /* Unknown */ |
0d46748c ST |
552 | cx24116_writereg(state, 0xF0, 0x03); |
553 | cx24116_writereg(state, 0xF4, 0x81); | |
554 | cx24116_writereg(state, 0xF5, 0x00); | |
555 | cx24116_writereg(state, 0xF6, 0x00); | |
556 | ||
557 | /* write the entire firmware as one transaction */ | |
558 | cx24116_writeregN(state, 0xF7, fw->data, fw->size); | |
559 | ||
560 | cx24116_writereg(state, 0xF4, 0x10); | |
561 | cx24116_writereg(state, 0xF0, 0x00); | |
562 | cx24116_writereg(state, 0xF8, 0x06); | |
563 | ||
490c8684 DB |
564 | /* Firmware CMD 10: VCO config */ |
565 | cmd.args[0x00] = CMD_SET_VCO; | |
0d46748c ST |
566 | cmd.args[0x01] = 0x05; |
567 | cmd.args[0x02] = 0xdc; | |
568 | cmd.args[0x03] = 0xda; | |
569 | cmd.args[0x04] = 0xae; | |
570 | cmd.args[0x05] = 0xaa; | |
571 | cmd.args[0x06] = 0x04; | |
572 | cmd.args[0x07] = 0x9d; | |
573 | cmd.args[0x08] = 0xfc; | |
574 | cmd.args[0x09] = 0x06; | |
575 | cmd.len= 0x0a; | |
576 | ret = cx24116_cmd_execute(fe, &cmd); | |
577 | if (ret != 0) | |
578 | return ret; | |
579 | ||
490c8684 | 580 | cx24116_writereg(state, CX24116_REG_SSTATUS, 0x00); |
0d46748c | 581 | |
490c8684 DB |
582 | /* Firmware CMD 14: Tuner config */ |
583 | cmd.args[0x00] = CMD_TUNERINIT; | |
0d46748c ST |
584 | cmd.args[0x01] = 0x00; |
585 | cmd.args[0x02] = 0x00; | |
586 | cmd.len= 0x03; | |
587 | ret = cx24116_cmd_execute(fe, &cmd); | |
588 | if (ret != 0) | |
589 | return ret; | |
590 | ||
591 | cx24116_writereg(state, 0xe5, 0x00); | |
592 | ||
490c8684 DB |
593 | /* Firmware CMD 13: MPEG config */ |
594 | cmd.args[0x00] = CMD_MPEGCONFIG; | |
0d46748c ST |
595 | cmd.args[0x01] = 0x01; |
596 | cmd.args[0x02] = 0x75; | |
597 | cmd.args[0x03] = 0x00; | |
cc8c4f3a IL |
598 | if (state->config->mpg_clk_pos_pol) |
599 | cmd.args[0x04] = state->config->mpg_clk_pos_pol; | |
600 | else | |
601 | cmd.args[0x04] = 0x02; | |
0d46748c ST |
602 | cmd.args[0x05] = 0x00; |
603 | cmd.len= 0x06; | |
604 | ret = cx24116_cmd_execute(fe, &cmd); | |
605 | if (ret != 0) | |
606 | return ret; | |
607 | ||
490c8684 DB |
608 | /* Firmware CMD 35: Get firmware version */ |
609 | cmd.args[0x00] = CMD_UPDFWVERS; | |
610 | cmd.len= 0x02; | |
611 | for(i=0; i<4; i++) { | |
612 | cmd.args[0x01] = i; | |
613 | ret = cx24116_cmd_execute(fe, &cmd); | |
614 | if (ret != 0) | |
615 | return ret; | |
616 | vers[i]= cx24116_readreg(state, CX24116_REG_MAILBOX); | |
617 | } | |
618 | printk("%s: FW version %i.%i.%i.%i\n", __func__, | |
619 | vers[0], vers[1], vers[2], vers[3]); | |
620 | ||
0d46748c ST |
621 | return 0; |
622 | } | |
623 | ||
624 | static int cx24116_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) | |
625 | { | |
626 | /* The isl6421 module will override this function in the fops. */ | |
627 | dprintk("%s() This should never appear if the isl6421 module is loaded correctly\n",__func__); | |
628 | ||
629 | return -EOPNOTSUPP; | |
630 | } | |
631 | ||
632 | static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status) | |
633 | { | |
634 | struct cx24116_state *state = fe->demodulator_priv; | |
635 | ||
490c8684 | 636 | int lock = cx24116_readreg(state, CX24116_REG_SSTATUS); |
0d46748c ST |
637 | |
638 | dprintk("%s: status = 0x%02x\n", __func__, lock); | |
639 | ||
640 | *status = 0; | |
641 | ||
490c8684 | 642 | if (lock & CX24116_HAS_SIGNAL) |
0d46748c | 643 | *status |= FE_HAS_SIGNAL; |
490c8684 | 644 | if (lock & CX24116_HAS_CARRIER) |
0d46748c | 645 | *status |= FE_HAS_CARRIER; |
490c8684 | 646 | if (lock & CX24116_HAS_VITERBI) |
0d46748c | 647 | *status |= FE_HAS_VITERBI; |
490c8684 | 648 | if (lock & CX24116_HAS_SYNCLOCK) |
0d46748c ST |
649 | *status |= FE_HAS_SYNC | FE_HAS_LOCK; |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
0d46748c ST |
654 | static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber) |
655 | { | |
490c8684 DB |
656 | struct cx24116_state *state = fe->demodulator_priv; |
657 | ||
0d46748c | 658 | dprintk("%s()\n", __func__); |
490c8684 DB |
659 | |
660 | *ber = ( cx24116_readreg(state, CX24116_REG_BER24) << 24 ) | | |
661 | ( cx24116_readreg(state, CX24116_REG_BER16) << 16 ) | | |
662 | ( cx24116_readreg(state, CX24116_REG_BER8 ) << 8 ) | | |
663 | cx24116_readreg(state, CX24116_REG_BER0 ); | |
0d46748c ST |
664 | |
665 | return 0; | |
666 | } | |
667 | ||
490c8684 | 668 | /* TODO Determine function and scale appropriately */ |
0d46748c ST |
669 | static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength) |
670 | { | |
671 | struct cx24116_state *state = fe->demodulator_priv; | |
490c8684 DB |
672 | struct cx24116_cmd cmd; |
673 | int ret; | |
674 | u16 sig_reading; | |
0d46748c ST |
675 | |
676 | dprintk("%s()\n", __func__); | |
677 | ||
490c8684 DB |
678 | /* Firmware CMD 19: Get AGC */ |
679 | cmd.args[0x00] = CMD_GETAGC; | |
680 | cmd.len= 0x01; | |
681 | ret = cx24116_cmd_execute(fe, &cmd); | |
682 | if (ret != 0) | |
683 | return ret; | |
0d46748c | 684 | |
490c8684 DB |
685 | sig_reading = ( cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK ) | |
686 | ( cx24116_readreg(state, CX24116_REG_SIGNAL) << 6 ); | |
687 | *signal_strength= 0 - sig_reading; | |
0d46748c | 688 | |
490c8684 | 689 | dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n", __func__, sig_reading, *signal_strength); |
0d46748c ST |
690 | |
691 | return 0; | |
692 | } | |
693 | ||
490c8684 | 694 | /* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ |
0d46748c ST |
695 | static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) |
696 | { | |
490c8684 DB |
697 | struct cx24116_state *state = fe->demodulator_priv; |
698 | u8 snr_reading; | |
699 | static const u32 snr_tab[] = { /* 10 x Table (rounded up) */ | |
700 | 0x00000,0x0199A,0x03333,0x04ccD,0x06667, | |
701 | 0x08000,0x0999A,0x0b333,0x0cccD,0x0e667, | |
702 | 0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 }; | |
703 | ||
0d46748c | 704 | dprintk("%s()\n", __func__); |
490c8684 DB |
705 | |
706 | snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY); | |
707 | ||
708 | if(snr_reading >= 0xa0 /* 100% */) | |
709 | *snr = 0xffff; | |
710 | else | |
711 | *snr = snr_tab [ ( snr_reading & 0xf0 ) >> 4 ] + | |
712 | ( snr_tab [ ( snr_reading & 0x0f ) ] >> 4 ); | |
713 | ||
714 | dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__, | |
715 | snr_reading, *snr); | |
0d46748c ST |
716 | |
717 | return 0; | |
718 | } | |
719 | ||
0d46748c ST |
720 | static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) |
721 | { | |
490c8684 DB |
722 | struct cx24116_state *state = fe->demodulator_priv; |
723 | ||
0d46748c | 724 | dprintk("%s()\n", __func__); |
490c8684 DB |
725 | |
726 | *ucblocks = ( cx24116_readreg(state, CX24116_REG_UCB8) << 8 ) | | |
727 | cx24116_readreg(state, CX24116_REG_UCB0); | |
0d46748c ST |
728 | |
729 | return 0; | |
730 | } | |
731 | ||
732 | /* Overwrite the current tuning params, we are about to tune */ | |
733 | static void cx24116_clone_params(struct dvb_frontend* fe) | |
734 | { | |
735 | struct cx24116_state *state = fe->demodulator_priv; | |
736 | memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur)); | |
737 | } | |
738 | ||
490c8684 DB |
739 | /* Wait for LNB */ |
740 | static int cx24116_wait_for_lnb(struct dvb_frontend* fe) | |
741 | { | |
742 | struct cx24116_state *state = fe->demodulator_priv; | |
743 | int i; | |
744 | ||
745 | dprintk("%s() qstatus = 0x%02x\n", __func__, | |
746 | cx24116_readreg(state, CX24116_REG_QSTATUS)); | |
747 | ||
748 | /* Wait for up to 300 ms */ | |
749 | for(i = 0; i < 30 ; i++) { | |
750 | if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20) | |
751 | return 0; | |
752 | msleep(10); | |
753 | } | |
754 | ||
755 | dprintk("%s(): LNB not ready\n", __func__); | |
756 | ||
757 | return -ETIMEDOUT; /* -EBUSY ? */ | |
758 | } | |
759 | ||
0d46748c ST |
760 | static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) |
761 | { | |
762 | struct cx24116_cmd cmd; | |
763 | int ret; | |
764 | ||
765 | dprintk("%s(%d)\n", __func__, tone); | |
766 | if ( (tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF) ) { | |
767 | printk("%s: Invalid, tone=%d\n", __func__, tone); | |
768 | return -EINVAL; | |
769 | } | |
770 | ||
490c8684 DB |
771 | /* Wait for LNB ready */ |
772 | ret = cx24116_wait_for_lnb(fe); | |
773 | if(ret != 0) | |
774 | return ret; | |
775 | ||
776 | /* Min delay time after DiSEqC send */ | |
777 | msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ | |
778 | ||
0d46748c ST |
779 | /* This is always done before the tone is set */ |
780 | cmd.args[0x00] = CMD_SET_TONEPRE; | |
781 | cmd.args[0x01] = 0x00; | |
782 | cmd.len= 0x02; | |
783 | ret = cx24116_cmd_execute(fe, &cmd); | |
784 | if (ret != 0) | |
785 | return ret; | |
786 | ||
787 | /* Now we set the tone */ | |
788 | cmd.args[0x00] = CMD_SET_TONE; | |
789 | cmd.args[0x01] = 0x00; | |
790 | cmd.args[0x02] = 0x00; | |
791 | ||
792 | switch (tone) { | |
793 | case SEC_TONE_ON: | |
794 | dprintk("%s: setting tone on\n", __func__); | |
795 | cmd.args[0x03] = 0x01; | |
796 | break; | |
797 | case SEC_TONE_OFF: | |
798 | dprintk("%s: setting tone off\n",__func__); | |
799 | cmd.args[0x03] = 0x00; | |
800 | break; | |
801 | } | |
802 | cmd.len= 0x04; | |
803 | ||
490c8684 DB |
804 | /* Min delay time before DiSEqC send */ |
805 | msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ | |
806 | ||
0d46748c ST |
807 | return cx24116_cmd_execute(fe, &cmd); |
808 | } | |
809 | ||
810 | /* Initialise DiSEqC */ | |
811 | static int cx24116_diseqc_init(struct dvb_frontend* fe) | |
812 | { | |
813 | struct cx24116_state *state = fe->demodulator_priv; | |
490c8684 DB |
814 | struct cx24116_cmd cmd; |
815 | int ret; | |
816 | ||
817 | /* Firmware CMD 20: LNB/DiSEqC config */ | |
818 | cmd.args[0x00] = CMD_LNBCONFIG; | |
819 | cmd.args[0x01] = 0x00; | |
820 | cmd.args[0x02] = 0x10; | |
821 | cmd.args[0x03] = 0x00; | |
822 | cmd.args[0x04] = 0x8f; | |
823 | cmd.args[0x05] = 0x28; | |
824 | cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01; | |
825 | cmd.args[0x07] = 0x01; | |
826 | cmd.len= 0x08; | |
827 | ret = cx24116_cmd_execute(fe, &cmd); | |
828 | if (ret != 0) | |
829 | return ret; | |
830 | ||
831 | /* Prepare a DiSEqC command */ | |
832 | state->dsec_cmd.args[0x00] = CMD_LNBSEND; | |
833 | ||
834 | /* DiSEqC burst */ | |
835 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; | |
836 | ||
837 | /* Unknown */ | |
838 | state->dsec_cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; | |
839 | state->dsec_cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; | |
840 | state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; /* Continuation flag? */ | |
0d46748c | 841 | |
490c8684 DB |
842 | /* DiSEqC message length */ |
843 | state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00; | |
844 | ||
845 | /* Command length */ | |
846 | state->dsec_cmd.len= CX24116_DISEQC_MSGOFS; | |
0d46748c ST |
847 | |
848 | return 0; | |
849 | } | |
850 | ||
851 | /* Send DiSEqC message with derived burst (hack) || previous burst */ | |
852 | static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d) | |
853 | { | |
854 | struct cx24116_state *state = fe->demodulator_priv; | |
0d46748c ST |
855 | int i, ret; |
856 | ||
857 | /* Dump DiSEqC message */ | |
858 | if (debug) { | |
859 | printk("cx24116: %s(", __func__); | |
860 | for(i = 0 ; i < d->msg_len ;) { | |
861 | printk("0x%02x", d->msg[i]); | |
862 | if(++i < d->msg_len) | |
863 | printk(", "); | |
490c8684 DB |
864 | } |
865 | printk(") toneburst=%d\n", toneburst); | |
0d46748c ST |
866 | } |
867 | ||
490c8684 | 868 | /* Validate length */ |
0d46748c ST |
869 | if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) |
870 | return -EINVAL; | |
871 | ||
0d46748c ST |
872 | /* DiSEqC message */ |
873 | for (i = 0; i < d->msg_len; i++) | |
490c8684 DB |
874 | state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; |
875 | ||
876 | /* DiSEqC message length */ | |
877 | state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len; | |
878 | ||
879 | /* Command length */ | |
880 | state->dsec_cmd.len= CX24116_DISEQC_MSGOFS + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN]; | |
881 | ||
882 | /* DiSEqC toneburst */ | |
883 | if(toneburst == CX24116_DISEQC_MESGCACHE) | |
884 | /* Message is cached */ | |
885 | return 0; | |
886 | ||
887 | else if(toneburst == CX24116_DISEQC_TONEOFF) | |
888 | /* Message is sent without burst */ | |
889 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0; | |
890 | ||
891 | else if(toneburst == CX24116_DISEQC_TONECACHE) { | |
892 | /* | |
893 | * Message is sent with derived else cached burst | |
894 | * | |
895 | * WRITE PORT GROUP COMMAND 38 | |
896 | * | |
897 | * 0/A/A: E0 10 38 F0..F3 | |
898 | * 1/B/B: E0 10 38 F4..F7 | |
899 | * 2/C/A: E0 10 38 F8..FB | |
900 | * 3/D/B: E0 10 38 FC..FF | |
901 | * | |
7396d3ea | 902 | * databyte[3]= 8421:8421 |
490c8684 DB |
903 | * ABCD:WXYZ |
904 | * CLR :SET | |
905 | * | |
906 | * WX= PORT SELECT 0..3 (X=TONEBURST) | |
907 | * Y = VOLTAGE (0=13V, 1=18V) | |
908 | * Z = BAND (0=LOW, 1=HIGH(22K)) | |
909 | */ | |
910 | if(d->msg_len >= 4 && d->msg[2] == 0x38) | |
911 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = ((d->msg[3] & 4) >> 2); | |
912 | if(debug) | |
913 | dprintk("%s burst=%d\n", __func__, state->dsec_cmd.args[CX24116_DISEQC_BURST]); | |
914 | } | |
0d46748c | 915 | |
490c8684 DB |
916 | /* Wait for LNB ready */ |
917 | ret = cx24116_wait_for_lnb(fe); | |
918 | if(ret != 0) | |
919 | return ret; | |
0d46748c | 920 | |
490c8684 DB |
921 | /* Wait for voltage/min repeat delay */ |
922 | msleep(100); | |
0d46748c | 923 | |
490c8684 DB |
924 | /* Command */ |
925 | ret = cx24116_cmd_execute(fe, &state->dsec_cmd); | |
926 | if(ret != 0) | |
927 | return ret; | |
928 | /* | |
929 | * Wait for send | |
0d46748c ST |
930 | * |
931 | * Eutelsat spec: | |
490c8684 DB |
932 | * >15ms delay + (XXX determine if FW does this, see set_tone) |
933 | * 13.5ms per byte + | |
934 | * >15ms delay + | |
935 | * 12.5ms burst + | |
936 | * >15ms delay (XXX determine if FW does this, see set_tone) | |
0d46748c | 937 | */ |
490c8684 | 938 | msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60) ); |
0d46748c | 939 | |
490c8684 | 940 | return 0; |
0d46748c ST |
941 | } |
942 | ||
943 | /* Send DiSEqC burst */ | |
944 | static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) | |
945 | { | |
946 | struct cx24116_state *state = fe->demodulator_priv; | |
0d46748c ST |
947 | int ret; |
948 | ||
490c8684 | 949 | dprintk("%s(%d) toneburst=%d\n",__func__, burst, toneburst); |
0d46748c | 950 | |
490c8684 | 951 | /* DiSEqC burst */ |
0d46748c | 952 | if (burst == SEC_MINI_A) |
490c8684 | 953 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; |
0d46748c | 954 | else if(burst == SEC_MINI_B) |
490c8684 | 955 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B; |
0d46748c ST |
956 | else |
957 | return -EINVAL; | |
958 | ||
490c8684 DB |
959 | /* DiSEqC toneburst */ |
960 | if(toneburst != CX24116_DISEQC_MESGCACHE) | |
961 | /* Burst is cached */ | |
962 | return 0; | |
0d46748c | 963 | |
490c8684 | 964 | /* Burst is to be sent with cached message */ |
0d46748c | 965 | |
490c8684 DB |
966 | /* Wait for LNB ready */ |
967 | ret = cx24116_wait_for_lnb(fe); | |
968 | if(ret != 0) | |
969 | return ret; | |
0d46748c | 970 | |
490c8684 DB |
971 | /* Wait for voltage/min repeat delay */ |
972 | msleep(100); | |
0d46748c | 973 | |
490c8684 DB |
974 | /* Command */ |
975 | ret = cx24116_cmd_execute(fe, &state->dsec_cmd); | |
976 | if(ret != 0) | |
977 | return ret; | |
978 | ||
979 | /* | |
980 | * Wait for send | |
981 | * | |
982 | * Eutelsat spec: | |
983 | * >15ms delay + (XXX determine if FW does this, see set_tone) | |
984 | * 13.5ms per byte + | |
985 | * >15ms delay + | |
986 | * 12.5ms burst + | |
987 | * >15ms delay (XXX determine if FW does this, see set_tone) | |
988 | */ | |
989 | msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 ); | |
990 | ||
991 | return 0; | |
0d46748c ST |
992 | } |
993 | ||
994 | static void cx24116_release(struct dvb_frontend* fe) | |
995 | { | |
996 | struct cx24116_state* state = fe->demodulator_priv; | |
997 | dprintk("%s\n",__func__); | |
998 | kfree(state); | |
999 | } | |
1000 | ||
1001 | static struct dvb_frontend_ops cx24116_ops; | |
1002 | ||
1003 | struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, | |
1004 | struct i2c_adapter* i2c) | |
1005 | { | |
1006 | struct cx24116_state* state = NULL; | |
1007 | int ret; | |
1008 | ||
1009 | dprintk("%s\n",__func__); | |
1010 | ||
1011 | /* allocate memory for the internal state */ | |
1012 | state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL); | |
1013 | if (state == NULL) { | |
1014 | printk("Unable to kmalloc\n"); | |
7396d3ea | 1015 | goto error1; |
0d46748c ST |
1016 | } |
1017 | ||
1018 | /* setup the state */ | |
1019 | memset(state, 0, sizeof(struct cx24116_state)); | |
1020 | ||
1021 | state->config = config; | |
1022 | state->i2c = i2c; | |
1023 | ||
1024 | /* check if the demod is present */ | |
1025 | ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE); | |
1026 | if (ret != 0x0501) { | |
1027 | printk("Invalid probe, probably not a CX24116 device\n"); | |
7396d3ea | 1028 | goto error2; |
0d46748c ST |
1029 | } |
1030 | ||
1031 | /* create dvb_frontend */ | |
1032 | memcpy(&state->frontend.ops, &cx24116_ops, sizeof(struct dvb_frontend_ops)); | |
1033 | state->frontend.demodulator_priv = state; | |
1034 | return &state->frontend; | |
1035 | ||
7396d3ea | 1036 | error2: kfree(state); |
490c8684 | 1037 | error1: return NULL; |
0d46748c | 1038 | } |
490c8684 DB |
1039 | /* |
1040 | * Initialise or wake up device | |
1041 | * | |
1042 | * Power config will reset and load initial firmware if required | |
1043 | */ | |
1044 | static int cx24116_initfe(struct dvb_frontend* fe) | |
0d46748c | 1045 | { |
490c8684 DB |
1046 | struct cx24116_state* state = fe->demodulator_priv; |
1047 | struct cx24116_cmd cmd; | |
1048 | int ret; | |
0d46748c ST |
1049 | |
1050 | dprintk("%s()\n",__func__); | |
1051 | ||
490c8684 DB |
1052 | /* Power on */ |
1053 | cx24116_writereg(state, 0xe0, 0); | |
1054 | cx24116_writereg(state, 0xe1, 0); | |
1055 | cx24116_writereg(state, 0xea, 0); | |
0d46748c | 1056 | |
490c8684 DB |
1057 | /* Firmware CMD 36: Power config */ |
1058 | cmd.args[0x00] = CMD_TUNERSLEEP; | |
1059 | cmd.args[0x01] = 0; | |
1060 | cmd.len= 0x02; | |
1061 | ret = cx24116_cmd_execute(fe, &cmd); | |
1062 | if(ret != 0) | |
1063 | return ret; | |
1064 | ||
1065 | return cx24116_diseqc_init(fe); | |
0d46748c ST |
1066 | } |
1067 | ||
490c8684 DB |
1068 | /* |
1069 | * Put device to sleep | |
1070 | */ | |
1071 | static int cx24116_sleep(struct dvb_frontend* fe) | |
0d46748c | 1072 | { |
490c8684 DB |
1073 | struct cx24116_state* state = fe->demodulator_priv; |
1074 | struct cx24116_cmd cmd; | |
1075 | int ret; | |
1076 | ||
0d46748c ST |
1077 | dprintk("%s()\n",__func__); |
1078 | ||
490c8684 DB |
1079 | /* Firmware CMD 36: Power config */ |
1080 | cmd.args[0x00] = CMD_TUNERSLEEP; | |
1081 | cmd.args[0x01] = 1; | |
1082 | cmd.len= 0x02; | |
1083 | ret = cx24116_cmd_execute(fe, &cmd); | |
1084 | if(ret != 0) | |
1085 | return ret; | |
1086 | ||
1087 | /* Power off (Shutdown clocks) */ | |
1088 | cx24116_writereg(state, 0xea, 0xff); | |
1089 | cx24116_writereg(state, 0xe1, 1); | |
1090 | cx24116_writereg(state, 0xe0, 1); | |
1091 | ||
1092 | return 0; | |
0d46748c ST |
1093 | } |
1094 | ||
e7fee0f3 | 1095 | static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp) |
0d46748c ST |
1096 | { |
1097 | dprintk("%s(..)\n", __func__); | |
1098 | return 0; | |
1099 | } | |
1100 | ||
bfbf2dae | 1101 | static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tvp) |
0d46748c | 1102 | { |
bfbf2dae | 1103 | dprintk("%s(..)\n", __func__); |
0d46748c ST |
1104 | return 0; |
1105 | } | |
1106 | ||
1107 | /* dvb-core told us to tune, the tv property cache will be complete, | |
1108 | * it's safe for is to pull values and use them for tuning purposes. | |
1109 | */ | |
1110 | static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) | |
1111 | { | |
1112 | struct cx24116_state *state = fe->demodulator_priv; | |
56f0680a | 1113 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
0d46748c ST |
1114 | struct cx24116_cmd cmd; |
1115 | fe_status_t tunerstat; | |
490c8684 | 1116 | int i, status, ret, retune = 1; |
0d46748c ST |
1117 | |
1118 | dprintk("%s()\n",__func__); | |
1119 | ||
1120 | state->dnxt.modulation = c->modulation; | |
1121 | state->dnxt.frequency = c->frequency; | |
1122 | ||
490c8684 DB |
1123 | switch(c->delivery_system) { |
1124 | case SYS_DVBS: | |
1125 | dprintk("%s: DVB-S delivery system selected\n",__func__); | |
1126 | state->dnxt.pilot = PILOT_OFF; | |
7396d3ea DB |
1127 | state->dnxt.rolloff_val = CX24116_ROLLOFF_035; |
1128 | state->dnxt.rolloff = c->rolloff; | |
490c8684 DB |
1129 | break; |
1130 | case SYS_DVBS2: | |
1131 | dprintk("%s: DVB-S2 delivery system selected\n",__func__); | |
1132 | if(c->pilot == PILOT_AUTO) | |
1133 | retune++; | |
1134 | state->dnxt.pilot = c->pilot; | |
1135 | switch(c->rolloff) { | |
1136 | case ROLLOFF_20: | |
1137 | state->dnxt.rolloff_val= CX24116_ROLLOFF_020; | |
1138 | break; | |
1139 | case ROLLOFF_25: | |
1140 | state->dnxt.rolloff_val= CX24116_ROLLOFF_025; | |
1141 | break; | |
1142 | case ROLLOFF_35: | |
1143 | state->dnxt.rolloff_val= CX24116_ROLLOFF_035; | |
1144 | break; | |
1145 | case ROLLOFF_AUTO: | |
1146 | return -EOPNOTSUPP; | |
1147 | } | |
1148 | state->dnxt.rolloff = c->rolloff; | |
1149 | break; | |
1150 | default: | |
1151 | dprintk("%s: unsupported delivery system selected (%d)\n", | |
1152 | __func__, c->delivery_system); | |
1153 | return -EOPNOTSUPP; | |
1154 | } | |
1155 | ||
0d46748c ST |
1156 | if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) |
1157 | return ret; | |
1158 | ||
1159 | if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) != 0) | |
1160 | return ret; | |
1161 | ||
1162 | if ((ret = cx24116_set_symbolrate(state, c->symbol_rate)) != 0) | |
1163 | return ret; | |
1164 | ||
1165 | /* discard the 'current' tuning parameters and prepare to tune */ | |
1166 | cx24116_clone_params(fe); | |
1167 | ||
490c8684 DB |
1168 | dprintk("%s: retune = %d\n", __func__, retune); |
1169 | dprintk("%s: rolloff = %d\n", __func__, state->dcur.rolloff); | |
1170 | dprintk("%s: pilot = %d\n", __func__, state->dcur.pilot); | |
0d46748c ST |
1171 | dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency); |
1172 | dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); | |
1173 | dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, | |
1174 | state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); | |
1175 | dprintk("%s: Inversion = %d (val = 0x%02x)\n", __func__, | |
1176 | state->dcur.inversion, state->dcur.inversion_val); | |
1177 | ||
490c8684 | 1178 | /* This is also done in advise/acquire on HVR4000 but not on LITE */ |
0d46748c ST |
1179 | if (state->config->set_ts_params) |
1180 | state->config->set_ts_params(fe, 0); | |
1181 | ||
490c8684 DB |
1182 | /* Set/Reset B/W */ |
1183 | cmd.args[0x00] = CMD_BANDWIDTH; | |
1184 | cmd.args[0x01] = 0x01; | |
1185 | cmd.len= 0x02; | |
1186 | ret = cx24116_cmd_execute(fe, &cmd); | |
1187 | if (ret != 0) | |
1188 | return ret; | |
3f8e51ad | 1189 | |
0d46748c ST |
1190 | /* Prepare a tune request */ |
1191 | cmd.args[0x00] = CMD_TUNEREQUEST; | |
1192 | ||
1193 | /* Frequency */ | |
1194 | cmd.args[0x01] = (state->dcur.frequency & 0xff0000) >> 16; | |
1195 | cmd.args[0x02] = (state->dcur.frequency & 0x00ff00) >> 8; | |
1196 | cmd.args[0x03] = (state->dcur.frequency & 0x0000ff); | |
1197 | ||
1198 | /* Symbol Rate */ | |
1199 | cmd.args[0x04] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8; | |
1200 | cmd.args[0x05] = ((state->dcur.symbol_rate / 1000) & 0x00ff); | |
1201 | ||
1202 | /* Automatic Inversion */ | |
1203 | cmd.args[0x06] = state->dcur.inversion_val; | |
1204 | ||
1205 | /* Modulation / FEC & Pilot Off */ | |
1206 | cmd.args[0x07] = state->dcur.fec_val; | |
1207 | ||
490c8684 DB |
1208 | if (state->dcur.pilot == PILOT_ON) |
1209 | cmd.args[0x07] |= CX24116_PILOT; | |
0d46748c ST |
1210 | |
1211 | cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8; | |
1212 | cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff; | |
1213 | cmd.args[0x0a] = 0x00; | |
1214 | cmd.args[0x0b] = 0x00; | |
490c8684 | 1215 | cmd.args[0x0c] = state->dcur.rolloff_val; |
0d46748c | 1216 | cmd.args[0x0d] = state->dcur.fec_mask; |
3f8e51ad | 1217 | |
490c8684 | 1218 | if (state->dcur.symbol_rate > 30000000) { |
3f8e51ad IL |
1219 | cmd.args[0x0e] = 0x04; |
1220 | cmd.args[0x0f] = 0x00; | |
1221 | cmd.args[0x10] = 0x01; | |
1222 | cmd.args[0x11] = 0x77; | |
1223 | cmd.args[0x12] = 0x36; | |
490c8684 DB |
1224 | cx24116_writereg(state, CX24116_REG_CLKDIV, 0x44); |
1225 | cx24116_writereg(state, CX24116_REG_RATEDIV, 0x01); | |
3f8e51ad IL |
1226 | } else { |
1227 | cmd.args[0x0e] = 0x06; | |
1228 | cmd.args[0x0f] = 0x00; | |
1229 | cmd.args[0x10] = 0x00; | |
1230 | cmd.args[0x11] = 0xFA; | |
1231 | cmd.args[0x12] = 0x24; | |
490c8684 DB |
1232 | cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46); |
1233 | cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); | |
3f8e51ad IL |
1234 | } |
1235 | ||
0d46748c ST |
1236 | cmd.len= 0x13; |
1237 | ||
1238 | /* We need to support pilot and non-pilot tuning in the | |
1239 | * driver automatically. This is a workaround for because | |
1240 | * the demod does not support autodetect. | |
1241 | */ | |
1242 | do { | |
490c8684 DB |
1243 | /* Reset status register */ |
1244 | status = cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK; | |
1245 | cx24116_writereg(state, CX24116_REG_SSTATUS, status); | |
0d46748c ST |
1246 | |
1247 | /* Tune */ | |
1248 | ret = cx24116_cmd_execute(fe, &cmd); | |
1249 | if( ret != 0 ) | |
1250 | break; | |
1251 | ||
490c8684 DB |
1252 | /* |
1253 | * Wait for up to 500 ms before retrying | |
1254 | * | |
1255 | * If we are able to tune then generally it occurs within 100ms. | |
1256 | * If it takes longer, try a different toneburst setting. | |
1257 | */ | |
1258 | for(i = 0; i < 50 ; i++) { | |
1259 | cx24116_read_status(fe, &tunerstat); | |
1260 | status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC); | |
1261 | if(status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) { | |
1262 | dprintk("%s: Tuned\n",__func__); | |
1263 | goto tuned; | |
1264 | } | |
1265 | msleep(10); | |
0d46748c | 1266 | } |
490c8684 DB |
1267 | |
1268 | dprintk("%s: Not tuned\n",__func__); | |
1269 | ||
1270 | /* Toggle pilot bit when in auto-pilot */ | |
1271 | if(state->dcur.pilot == PILOT_AUTO) | |
1272 | cmd.args[0x07] ^= CX24116_PILOT; | |
0d46748c ST |
1273 | } |
1274 | while(--retune); | |
1275 | ||
490c8684 DB |
1276 | tuned: /* Set/Reset B/W */ |
1277 | cmd.args[0x00] = CMD_BANDWIDTH; | |
1278 | cmd.args[0x01] = 0x00; | |
1279 | cmd.len= 0x02; | |
1280 | ret = cx24116_cmd_execute(fe, &cmd); | |
1281 | if (ret != 0) | |
1282 | return ret; | |
1283 | ||
0d46748c ST |
1284 | return ret; |
1285 | } | |
1286 | ||
1287 | static struct dvb_frontend_ops cx24116_ops = { | |
1288 | ||
1289 | .info = { | |
1290 | .name = "Conexant CX24116/CX24118", | |
1291 | .type = FE_QPSK, | |
1292 | .frequency_min = 950000, | |
1293 | .frequency_max = 2150000, | |
1294 | .frequency_stepsize = 1011, /* kHz for QPSK frontends */ | |
1295 | .frequency_tolerance = 5000, | |
1296 | .symbol_rate_min = 1000000, | |
1297 | .symbol_rate_max = 45000000, | |
1298 | .caps = FE_CAN_INVERSION_AUTO | | |
1299 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | |
1300 | FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | | |
1301 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | |
1302 | FE_CAN_QPSK | FE_CAN_RECOVER | |
1303 | }, | |
1304 | ||
1305 | .release = cx24116_release, | |
1306 | ||
1307 | .init = cx24116_initfe, | |
490c8684 | 1308 | .sleep = cx24116_sleep, |
0d46748c ST |
1309 | .read_status = cx24116_read_status, |
1310 | .read_ber = cx24116_read_ber, | |
1311 | .read_signal_strength = cx24116_read_signal_strength, | |
1312 | .read_snr = cx24116_read_snr, | |
1313 | .read_ucblocks = cx24116_read_ucblocks, | |
1314 | .set_tone = cx24116_set_tone, | |
1315 | .set_voltage = cx24116_set_voltage, | |
1316 | .diseqc_send_master_cmd = cx24116_send_diseqc_msg, | |
1317 | .diseqc_send_burst = cx24116_diseqc_send_burst, | |
1318 | ||
1319 | .set_property = cx24116_set_property, | |
bfbf2dae | 1320 | .get_property = cx24116_get_property, |
0d46748c ST |
1321 | .set_frontend = cx24116_set_frontend, |
1322 | }; | |
1323 | ||
1324 | module_param(debug, int, 0644); | |
1325 | MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); | |
1326 | ||
490c8684 DB |
1327 | module_param(toneburst, int, 0644); |
1328 | MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)"); | |
1329 | ||
0d46748c ST |
1330 | MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); |
1331 | MODULE_AUTHOR("Steven Toth"); | |
1332 | MODULE_LICENSE("GPL"); | |
1333 | ||
1334 | EXPORT_SYMBOL(cx24116_attach); |