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af4e067e LO |
1 | /* DVB USB compliant Linux driver for the Afatech 9005 |
2 | * USB1.1 DVB-T receiver. | |
3 | * | |
4 | * Copyright (C) 2007 Luca Olivetti (luca@ventoso.org) | |
5 | * | |
6 | * Thanks to Afatech who kindly provided information. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | * | |
22 | * see Documentation/dvb/REDME.dvb-usb for more information | |
23 | */ | |
24 | #include "af9005.h" | |
25 | ||
26 | /* debug */ | |
27 | int dvb_usb_af9005_debug; | |
28 | module_param_named(debug, dvb_usb_af9005_debug, int, 0644); | |
29 | MODULE_PARM_DESC(debug, | |
30 | "set debugging level (1=info,xfer=2,rc=4,reg=8,i2c=16,fw=32 (or-able))." | |
31 | DVB_USB_DEBUG_STATUS); | |
32 | /* enable obnoxious led */ | |
33 | int dvb_usb_af9005_led = 1; | |
34 | module_param_named(led, dvb_usb_af9005_led, bool, 0644); | |
35 | MODULE_PARM_DESC(led, "enable led (default: 1)."); | |
36 | ||
37 | /* eeprom dump */ | |
38 | int dvb_usb_af9005_dump_eeprom = 0; | |
39 | module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0); | |
40 | MODULE_PARM_DESC(dump_eeprom, "dump contents of the eeprom."); | |
41 | ||
42 | /* remote control decoder */ | |
43 | int (*rc_decode) (struct dvb_usb_device * d, u8 * data, int len, u32 * event, | |
44 | int *state); | |
45 | void *rc_keys; | |
46 | int *rc_keys_size; | |
47 | ||
48 | u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff }; | |
49 | ||
50 | struct af9005_device_state { | |
51 | u8 sequence; | |
52 | int led_state; | |
53 | }; | |
54 | ||
55 | int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 * wbuf, u16 wlen, | |
56 | u8 * rbuf, u16 rlen, int delay_ms) | |
57 | { | |
58 | int actlen, ret = -ENOMEM; | |
59 | ||
60 | if (wbuf == NULL || wlen == 0) | |
61 | return -EINVAL; | |
62 | ||
63 | if ((ret = mutex_lock_interruptible(&d->usb_mutex))) | |
64 | return ret; | |
65 | ||
66 | deb_xfer(">>> "); | |
67 | debug_dump(wbuf, wlen, deb_xfer); | |
68 | ||
69 | ret = usb_bulk_msg(d->udev, usb_sndbulkpipe(d->udev, | |
70 | 2), wbuf, wlen, | |
71 | &actlen, 2000); | |
72 | ||
73 | if (ret) | |
74 | err("bulk message failed: %d (%d/%d)", ret, wlen, actlen); | |
75 | else | |
76 | ret = actlen != wlen ? -1 : 0; | |
77 | ||
78 | /* an answer is expected, and no error before */ | |
79 | if (!ret && rbuf && rlen) { | |
80 | if (delay_ms) | |
81 | msleep(delay_ms); | |
82 | ||
83 | ret = usb_bulk_msg(d->udev, usb_rcvbulkpipe(d->udev, | |
84 | 0x01), rbuf, | |
85 | rlen, &actlen, 2000); | |
86 | ||
87 | if (ret) | |
88 | err("recv bulk message failed: %d", ret); | |
89 | else { | |
90 | deb_xfer("<<< "); | |
91 | debug_dump(rbuf, actlen, deb_xfer); | |
92 | } | |
93 | } | |
94 | ||
95 | mutex_unlock(&d->usb_mutex); | |
96 | return ret; | |
97 | } | |
98 | ||
99 | int af9005_usb_generic_write(struct dvb_usb_device *d, u8 * buf, u16 len) | |
100 | { | |
101 | return af9005_usb_generic_rw(d, buf, len, NULL, 0, 0); | |
102 | } | |
103 | ||
104 | int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, | |
105 | int readwrite, int type, u8 * values, int len) | |
106 | { | |
107 | struct af9005_device_state *st = d->priv; | |
108 | u8 obuf[16] = { 0 }; | |
109 | u8 ibuf[17] = { 0 }; | |
110 | u8 command; | |
111 | int i; | |
112 | int ret; | |
113 | ||
114 | if (len < 1) { | |
115 | err("generic read/write, less than 1 byte. Makes no sense."); | |
116 | return -EINVAL; | |
117 | } | |
118 | if (len > 8) { | |
119 | err("generic read/write, more than 8 bytes. Not supported."); | |
120 | return -EINVAL; | |
121 | } | |
122 | ||
123 | obuf[0] = 14; /* rest of buffer length low */ | |
124 | obuf[1] = 0; /* rest of buffer length high */ | |
125 | ||
126 | obuf[2] = AF9005_REGISTER_RW; /* register operation */ | |
127 | obuf[3] = 12; /* rest of buffer length */ | |
128 | ||
129 | obuf[4] = st->sequence++; /* sequence number */ | |
130 | ||
131 | obuf[5] = (u8) (reg >> 8); /* register address */ | |
132 | obuf[6] = (u8) (reg & 0xff); | |
133 | ||
134 | if (type == AF9005_OFDM_REG) { | |
135 | command = AF9005_CMD_OFDM_REG; | |
136 | } else { | |
137 | command = AF9005_CMD_TUNER; | |
138 | } | |
139 | ||
140 | if (len > 1) | |
141 | command |= | |
142 | AF9005_CMD_BURST | AF9005_CMD_AUTOINC | (len - 1) << 3; | |
143 | command |= readwrite; | |
144 | if (readwrite == AF9005_CMD_WRITE) | |
145 | for (i = 0; i < len; i++) | |
146 | obuf[8 + i] = values[i]; | |
147 | else if (type == AF9005_TUNER_REG) | |
148 | /* read command for tuner, the first byte contains the i2c address */ | |
149 | obuf[8] = values[0]; | |
150 | obuf[7] = command; | |
151 | ||
152 | ret = af9005_usb_generic_rw(d, obuf, 16, ibuf, 17, 0); | |
153 | if (ret) | |
154 | return ret; | |
155 | ||
156 | /* sanity check */ | |
157 | if (ibuf[2] != AF9005_REGISTER_RW_ACK) { | |
158 | err("generic read/write, wrong reply code."); | |
159 | return -EIO; | |
160 | } | |
161 | if (ibuf[3] != 0x0d) { | |
162 | err("generic read/write, wrong length in reply."); | |
163 | return -EIO; | |
164 | } | |
165 | if (ibuf[4] != obuf[4]) { | |
166 | err("generic read/write, wrong sequence in reply."); | |
167 | return -EIO; | |
168 | } | |
169 | /* | |
170 | Windows driver doesn't check these fields, in fact sometimes | |
171 | the register in the reply is different that what has been sent | |
172 | ||
173 | if (ibuf[5] != obuf[5] || ibuf[6] != obuf[6]) { | |
174 | err("generic read/write, wrong register in reply."); | |
175 | return -EIO; | |
176 | } | |
177 | if (ibuf[7] != command) { | |
178 | err("generic read/write wrong command in reply."); | |
179 | return -EIO; | |
180 | } | |
181 | */ | |
182 | if (ibuf[16] != 0x01) { | |
183 | err("generic read/write wrong status code in reply."); | |
184 | return -EIO; | |
185 | } | |
186 | if (readwrite == AF9005_CMD_READ) | |
187 | for (i = 0; i < len; i++) | |
188 | values[i] = ibuf[8 + i]; | |
189 | ||
190 | return 0; | |
191 | ||
192 | } | |
193 | ||
194 | int af9005_read_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 * value) | |
195 | { | |
196 | int ret; | |
197 | deb_reg("read register %x ", reg); | |
198 | ret = af9005_generic_read_write(d, reg, | |
199 | AF9005_CMD_READ, AF9005_OFDM_REG, | |
200 | value, 1); | |
201 | if (ret) | |
202 | deb_reg("failed\n"); | |
203 | else | |
204 | deb_reg("value %x\n", *value); | |
205 | return ret; | |
206 | } | |
207 | ||
208 | int af9005_read_ofdm_registers(struct dvb_usb_device *d, u16 reg, | |
209 | u8 * values, int len) | |
210 | { | |
211 | int ret; | |
212 | deb_reg("read %d registers %x ", len, reg); | |
213 | ret = af9005_generic_read_write(d, reg, | |
214 | AF9005_CMD_READ, AF9005_OFDM_REG, | |
215 | values, len); | |
216 | if (ret) | |
217 | deb_reg("failed\n"); | |
218 | else | |
219 | debug_dump(values, len, deb_reg); | |
220 | return ret; | |
221 | } | |
222 | ||
223 | int af9005_write_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 value) | |
224 | { | |
225 | int ret; | |
226 | u8 temp = value; | |
227 | deb_reg("write register %x value %x ", reg, value); | |
228 | ret = af9005_generic_read_write(d, reg, | |
229 | AF9005_CMD_WRITE, AF9005_OFDM_REG, | |
230 | &temp, 1); | |
231 | if (ret) | |
232 | deb_reg("failed\n"); | |
233 | else | |
234 | deb_reg("ok\n"); | |
235 | return ret; | |
236 | } | |
237 | ||
238 | int af9005_write_ofdm_registers(struct dvb_usb_device *d, u16 reg, | |
239 | u8 * values, int len) | |
240 | { | |
241 | int ret; | |
242 | deb_reg("write %d registers %x values ", len, reg); | |
243 | debug_dump(values, len, deb_reg); | |
244 | ||
245 | ret = af9005_generic_read_write(d, reg, | |
246 | AF9005_CMD_WRITE, AF9005_OFDM_REG, | |
247 | values, len); | |
248 | if (ret) | |
249 | deb_reg("failed\n"); | |
250 | else | |
251 | deb_reg("ok\n"); | |
252 | return ret; | |
253 | } | |
254 | ||
255 | int af9005_read_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, | |
256 | u8 len, u8 * value) | |
257 | { | |
258 | u8 temp; | |
259 | int ret; | |
260 | deb_reg("read bits %x %x %x", reg, pos, len); | |
261 | ret = af9005_read_ofdm_register(d, reg, &temp); | |
262 | if (ret) { | |
263 | deb_reg(" failed\n"); | |
264 | return ret; | |
265 | } | |
266 | *value = (temp >> pos) & regmask[len - 1]; | |
267 | deb_reg(" value %x\n", *value); | |
268 | return 0; | |
269 | ||
270 | } | |
271 | ||
272 | int af9005_write_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, | |
273 | u8 len, u8 value) | |
274 | { | |
275 | u8 temp, mask; | |
276 | int ret; | |
277 | deb_reg("write bits %x %x %x value %x\n", reg, pos, len, value); | |
278 | if (pos == 0 && len == 8) | |
279 | return af9005_write_ofdm_register(d, reg, value); | |
280 | ret = af9005_read_ofdm_register(d, reg, &temp); | |
281 | if (ret) | |
282 | return ret; | |
283 | mask = regmask[len - 1] << pos; | |
284 | temp = (temp & ~mask) | ((value << pos) & mask); | |
285 | return af9005_write_ofdm_register(d, reg, temp); | |
286 | ||
287 | } | |
288 | ||
289 | static int af9005_usb_read_tuner_registers(struct dvb_usb_device *d, | |
290 | u16 reg, u8 * values, int len) | |
291 | { | |
292 | return af9005_generic_read_write(d, reg, | |
293 | AF9005_CMD_READ, AF9005_TUNER_REG, | |
294 | values, len); | |
295 | } | |
296 | ||
297 | static int af9005_usb_write_tuner_registers(struct dvb_usb_device *d, | |
298 | u16 reg, u8 * values, int len) | |
299 | { | |
300 | return af9005_generic_read_write(d, reg, | |
301 | AF9005_CMD_WRITE, | |
302 | AF9005_TUNER_REG, values, len); | |
303 | } | |
304 | ||
305 | int af9005_write_tuner_registers(struct dvb_usb_device *d, u16 reg, | |
306 | u8 * values, int len) | |
307 | { | |
308 | /* don't let the name of this function mislead you: it's just used | |
309 | as an interface from the firmware to the i2c bus. The actual | |
310 | i2c addresses are contained in the data */ | |
311 | int ret, i, done = 0, fail = 0; | |
312 | u8 temp; | |
313 | ret = af9005_usb_write_tuner_registers(d, reg, values, len); | |
314 | if (ret) | |
315 | return ret; | |
316 | if (reg != 0xffff) { | |
317 | /* check if write done (0xa40d bit 1) or fail (0xa40d bit 2) */ | |
318 | for (i = 0; i < 200; i++) { | |
319 | ret = | |
320 | af9005_read_ofdm_register(d, | |
321 | xd_I2C_i2c_m_status_wdat_done, | |
322 | &temp); | |
323 | if (ret) | |
324 | return ret; | |
325 | done = temp & (regmask[i2c_m_status_wdat_done_len - 1] | |
326 | << i2c_m_status_wdat_done_pos); | |
327 | if (done) | |
328 | break; | |
329 | fail = temp & (regmask[i2c_m_status_wdat_fail_len - 1] | |
330 | << i2c_m_status_wdat_fail_pos); | |
331 | if (fail) | |
332 | break; | |
333 | msleep(50); | |
334 | } | |
335 | if (i == 200) | |
336 | return -ETIMEDOUT; | |
337 | if (fail) { | |
338 | /* clear write fail bit */ | |
339 | af9005_write_register_bits(d, | |
340 | xd_I2C_i2c_m_status_wdat_fail, | |
341 | i2c_m_status_wdat_fail_pos, | |
342 | i2c_m_status_wdat_fail_len, | |
343 | 1); | |
344 | return -EIO; | |
345 | } | |
346 | /* clear write done bit */ | |
347 | ret = | |
348 | af9005_write_register_bits(d, | |
349 | xd_I2C_i2c_m_status_wdat_fail, | |
350 | i2c_m_status_wdat_done_pos, | |
351 | i2c_m_status_wdat_done_len, 1); | |
352 | if (ret) | |
353 | return ret; | |
354 | } | |
355 | return 0; | |
356 | } | |
357 | ||
358 | int af9005_read_tuner_registers(struct dvb_usb_device *d, u16 reg, u8 addr, | |
359 | u8 * values, int len) | |
360 | { | |
361 | /* don't let the name of this function mislead you: it's just used | |
362 | as an interface from the firmware to the i2c bus. The actual | |
363 | i2c addresses are contained in the data */ | |
364 | int ret, i; | |
365 | u8 temp, buf[2]; | |
366 | ||
367 | buf[0] = addr; /* tuner i2c address */ | |
368 | buf[1] = values[0]; /* tuner register */ | |
369 | ||
370 | values[0] = addr + 0x01; /* i2c read address */ | |
371 | ||
372 | if (reg == APO_REG_I2C_RW_SILICON_TUNER) { | |
373 | /* write tuner i2c address to tuner, 0c00c0 undocumented, found by sniffing */ | |
374 | ret = af9005_write_tuner_registers(d, 0x00c0, buf, 2); | |
375 | if (ret) | |
376 | return ret; | |
377 | } | |
378 | ||
379 | /* send read command to ofsm */ | |
380 | ret = af9005_usb_read_tuner_registers(d, reg, values, 1); | |
381 | if (ret) | |
382 | return ret; | |
383 | ||
384 | /* check if read done */ | |
385 | for (i = 0; i < 200; i++) { | |
386 | ret = af9005_read_ofdm_register(d, 0xa408, &temp); | |
387 | if (ret) | |
388 | return ret; | |
389 | if (temp & 0x01) | |
390 | break; | |
391 | msleep(50); | |
392 | } | |
393 | if (i == 200) | |
394 | return -ETIMEDOUT; | |
395 | ||
396 | /* clear read done bit (by writing 1) */ | |
397 | ret = af9005_write_ofdm_register(d, xd_I2C_i2c_m_data8, 1); | |
398 | if (ret) | |
399 | return ret; | |
400 | ||
401 | /* get read data (available from 0xa400) */ | |
402 | for (i = 0; i < len; i++) { | |
403 | ret = af9005_read_ofdm_register(d, 0xa400 + i, &temp); | |
404 | if (ret) | |
405 | return ret; | |
406 | values[i] = temp; | |
407 | } | |
408 | return 0; | |
409 | } | |
410 | ||
411 | static int af9005_i2c_write(struct dvb_usb_device *d, u8 i2caddr, u8 reg, | |
412 | u8 * data, int len) | |
413 | { | |
414 | int ret, i; | |
415 | u8 buf[3]; | |
416 | deb_i2c("i2c_write i2caddr %x, reg %x, len %d data ", i2caddr, | |
417 | reg, len); | |
418 | debug_dump(data, len, deb_i2c); | |
419 | ||
420 | for (i = 0; i < len; i++) { | |
421 | buf[0] = i2caddr; | |
422 | buf[1] = reg + (u8) i; | |
423 | buf[2] = data[i]; | |
424 | ret = | |
425 | af9005_write_tuner_registers(d, | |
426 | APO_REG_I2C_RW_SILICON_TUNER, | |
427 | buf, 3); | |
428 | if (ret) { | |
429 | deb_i2c("i2c_write failed\n"); | |
430 | return ret; | |
431 | } | |
432 | } | |
433 | deb_i2c("i2c_write ok\n"); | |
434 | return 0; | |
435 | } | |
436 | ||
437 | static int af9005_i2c_read(struct dvb_usb_device *d, u8 i2caddr, u8 reg, | |
438 | u8 * data, int len) | |
439 | { | |
440 | int ret, i; | |
441 | u8 temp; | |
442 | deb_i2c("i2c_read i2caddr %x, reg %x, len %d\n ", i2caddr, reg, len); | |
443 | for (i = 0; i < len; i++) { | |
444 | temp = reg + i; | |
445 | ret = | |
446 | af9005_read_tuner_registers(d, | |
447 | APO_REG_I2C_RW_SILICON_TUNER, | |
448 | i2caddr, &temp, 1); | |
449 | if (ret) { | |
450 | deb_i2c("i2c_read failed\n"); | |
451 | return ret; | |
452 | } | |
453 | data[i] = temp; | |
454 | } | |
455 | deb_i2c("i2c data read: "); | |
456 | debug_dump(data, len, deb_i2c); | |
457 | return 0; | |
458 | } | |
459 | ||
460 | static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], | |
461 | int num) | |
462 | { | |
463 | /* only implements what the mt2060 module does, don't know how | |
464 | to make it really generic */ | |
465 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
466 | int ret; | |
467 | u8 reg, addr; | |
468 | u8 *value; | |
469 | ||
470 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
471 | return -EAGAIN; | |
472 | ||
473 | if (num > 2) | |
474 | warn("more than 2 i2c messages at a time is not handled yet. TODO."); | |
475 | ||
476 | if (num == 2) { | |
477 | /* reads a single register */ | |
478 | reg = *msg[0].buf; | |
479 | addr = msg[0].addr; | |
480 | value = msg[1].buf; | |
481 | ret = af9005_i2c_read(d, addr, reg, value, 1); | |
482 | if (ret == 0) | |
483 | ret = 2; | |
484 | } else { | |
485 | /* write one or more registers */ | |
486 | reg = msg[0].buf[0]; | |
487 | addr = msg[0].addr; | |
488 | value = &msg[0].buf[1]; | |
489 | ret = af9005_i2c_write(d, addr, reg, value, msg[0].len - 1); | |
490 | if (ret == 0) | |
491 | ret = 1; | |
492 | } | |
493 | ||
494 | mutex_unlock(&d->i2c_mutex); | |
495 | return ret; | |
496 | } | |
497 | ||
498 | static u32 af9005_i2c_func(struct i2c_adapter *adapter) | |
499 | { | |
500 | return I2C_FUNC_I2C; | |
501 | } | |
502 | ||
503 | static struct i2c_algorithm af9005_i2c_algo = { | |
504 | .master_xfer = af9005_i2c_xfer, | |
505 | .functionality = af9005_i2c_func, | |
506 | }; | |
507 | ||
508 | int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, | |
509 | int wlen, u8 * rbuf, int rlen) | |
510 | { | |
511 | struct af9005_device_state *st = d->priv; | |
512 | ||
513 | int ret, i, packet_len; | |
514 | u8 buf[64]; | |
515 | u8 ibuf[64]; | |
516 | ||
517 | if (wlen < 0) { | |
518 | err("send command, wlen less than 0 bytes. Makes no sense."); | |
519 | return -EINVAL; | |
520 | } | |
521 | if (wlen > 54) { | |
522 | err("send command, wlen more than 54 bytes. Not supported."); | |
523 | return -EINVAL; | |
524 | } | |
525 | if (rlen > 54) { | |
526 | err("send command, rlen more than 54 bytes. Not supported."); | |
527 | return -EINVAL; | |
528 | } | |
529 | packet_len = wlen + 5; | |
530 | buf[0] = (u8) (packet_len & 0xff); | |
531 | buf[1] = (u8) ((packet_len & 0xff00) >> 8); | |
532 | ||
533 | buf[2] = 0x26; /* packet type */ | |
534 | buf[3] = wlen + 3; | |
535 | buf[4] = st->sequence++; | |
536 | buf[5] = command; | |
537 | buf[6] = wlen; | |
538 | for (i = 0; i < wlen; i++) | |
539 | buf[7 + i] = wbuf[i]; | |
540 | ret = af9005_usb_generic_rw(d, buf, wlen + 7, ibuf, rlen + 7, 0); | |
541 | if (ret) | |
542 | return ret; | |
543 | if (ibuf[2] != 0x27) { | |
544 | err("send command, wrong reply code."); | |
545 | return -EIO; | |
546 | } | |
547 | if (ibuf[4] != buf[4]) { | |
548 | err("send command, wrong sequence in reply."); | |
549 | return -EIO; | |
550 | } | |
551 | if (ibuf[5] != 0x01) { | |
552 | err("send command, wrong status code in reply."); | |
553 | return -EIO; | |
554 | } | |
555 | if (ibuf[6] != rlen) { | |
556 | err("send command, invalid data length in reply."); | |
557 | return -EIO; | |
558 | } | |
559 | for (i = 0; i < rlen; i++) | |
560 | rbuf[i] = ibuf[i + 7]; | |
561 | return 0; | |
562 | } | |
563 | ||
564 | int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values, | |
565 | int len) | |
566 | { | |
567 | struct af9005_device_state *st = d->priv; | |
568 | u8 obuf[16], ibuf[14]; | |
569 | int ret, i; | |
570 | ||
571 | memset(obuf, 0, sizeof(obuf)); | |
572 | memset(ibuf, 0, sizeof(ibuf)); | |
573 | ||
574 | obuf[0] = 14; /* length of rest of packet low */ | |
575 | obuf[1] = 0; /* length of rest of packer high */ | |
576 | ||
577 | obuf[2] = 0x2a; /* read/write eeprom */ | |
578 | ||
579 | obuf[3] = 12; /* size */ | |
580 | ||
581 | obuf[4] = st->sequence++; | |
582 | ||
583 | obuf[5] = 0; /* read */ | |
584 | ||
585 | obuf[6] = len; | |
586 | obuf[7] = address; | |
587 | ret = af9005_usb_generic_rw(d, obuf, 16, ibuf, 14, 0); | |
588 | if (ret) | |
589 | return ret; | |
590 | if (ibuf[2] != 0x2b) { | |
591 | err("Read eeprom, invalid reply code"); | |
592 | return -EIO; | |
593 | } | |
594 | if (ibuf[3] != 10) { | |
595 | err("Read eeprom, invalid reply length"); | |
596 | return -EIO; | |
597 | } | |
598 | if (ibuf[4] != obuf[4]) { | |
599 | err("Read eeprom, wrong sequence in reply "); | |
600 | return -EIO; | |
601 | } | |
602 | if (ibuf[5] != 1) { | |
603 | err("Read eeprom, wrong status in reply "); | |
604 | return -EIO; | |
605 | } | |
606 | for (i = 0; i < len; i++) { | |
607 | values[i] = ibuf[6 + i]; | |
608 | } | |
609 | return 0; | |
610 | } | |
611 | ||
612 | static int af9005_boot_packet(struct usb_device *udev, int type, u8 * reply) | |
613 | { | |
614 | u8 buf[FW_BULKOUT_SIZE + 2]; | |
615 | u16 checksum; | |
616 | int act_len, i, ret; | |
617 | memset(buf, 0, sizeof(buf)); | |
618 | buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); | |
619 | buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff); | |
620 | switch (type) { | |
621 | case FW_CONFIG: | |
622 | buf[2] = 0x11; | |
623 | buf[3] = 0x04; | |
624 | buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ | |
625 | buf[5] = 0x03; | |
626 | checksum = buf[4] + buf[5]; | |
627 | buf[6] = (u8) ((checksum >> 8) & 0xff); | |
628 | buf[7] = (u8) (checksum & 0xff); | |
629 | break; | |
630 | case FW_CONFIRM: | |
631 | buf[2] = 0x11; | |
632 | buf[3] = 0x04; | |
633 | buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ | |
634 | buf[5] = 0x01; | |
635 | checksum = buf[4] + buf[5]; | |
636 | buf[6] = (u8) ((checksum >> 8) & 0xff); | |
637 | buf[7] = (u8) (checksum & 0xff); | |
638 | break; | |
639 | case FW_BOOT: | |
640 | buf[2] = 0x10; | |
641 | buf[3] = 0x08; | |
642 | buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ | |
643 | buf[5] = 0x97; | |
644 | buf[6] = 0xaa; | |
645 | buf[7] = 0x55; | |
646 | buf[8] = 0xa5; | |
647 | buf[9] = 0x5a; | |
648 | checksum = 0; | |
649 | for (i = 4; i <= 9; i++) | |
650 | checksum += buf[i]; | |
651 | buf[10] = (u8) ((checksum >> 8) & 0xff); | |
652 | buf[11] = (u8) (checksum & 0xff); | |
653 | break; | |
654 | default: | |
655 | err("boot packet invalid boot packet type"); | |
656 | return -EINVAL; | |
657 | } | |
658 | deb_fw(">>> "); | |
659 | debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw); | |
660 | ||
661 | ret = usb_bulk_msg(udev, | |
662 | usb_sndbulkpipe(udev, 0x02), | |
663 | buf, FW_BULKOUT_SIZE + 2, &act_len, 2000); | |
664 | if (ret) | |
665 | err("boot packet bulk message failed: %d (%d/%d)", ret, | |
666 | FW_BULKOUT_SIZE + 2, act_len); | |
667 | else | |
668 | ret = act_len != FW_BULKOUT_SIZE + 2 ? -1 : 0; | |
669 | if (ret) | |
670 | return ret; | |
671 | memset(buf, 0, 9); | |
672 | ret = usb_bulk_msg(udev, | |
673 | usb_rcvbulkpipe(udev, 0x01), buf, 9, &act_len, 2000); | |
674 | if (ret) { | |
675 | err("boot packet recv bulk message failed: %d", ret); | |
676 | return ret; | |
677 | } | |
678 | deb_fw("<<< "); | |
679 | debug_dump(buf, act_len, deb_fw); | |
680 | checksum = 0; | |
681 | switch (type) { | |
682 | case FW_CONFIG: | |
683 | if (buf[2] != 0x11) { | |
684 | err("boot bad config header."); | |
685 | return -EIO; | |
686 | } | |
687 | if (buf[3] != 0x05) { | |
688 | err("boot bad config size."); | |
689 | return -EIO; | |
690 | } | |
691 | if (buf[4] != 0x00) { | |
692 | err("boot bad config sequence."); | |
693 | return -EIO; | |
694 | } | |
695 | if (buf[5] != 0x04) { | |
696 | err("boot bad config subtype."); | |
697 | return -EIO; | |
698 | } | |
699 | for (i = 4; i <= 6; i++) | |
700 | checksum += buf[i]; | |
701 | if (buf[7] * 256 + buf[8] != checksum) { | |
702 | err("boot bad config checksum."); | |
703 | return -EIO; | |
704 | } | |
705 | *reply = buf[6]; | |
706 | break; | |
707 | case FW_CONFIRM: | |
708 | if (buf[2] != 0x11) { | |
709 | err("boot bad confirm header."); | |
710 | return -EIO; | |
711 | } | |
712 | if (buf[3] != 0x05) { | |
713 | err("boot bad confirm size."); | |
714 | return -EIO; | |
715 | } | |
716 | if (buf[4] != 0x00) { | |
717 | err("boot bad confirm sequence."); | |
718 | return -EIO; | |
719 | } | |
720 | if (buf[5] != 0x02) { | |
721 | err("boot bad confirm subtype."); | |
722 | return -EIO; | |
723 | } | |
724 | for (i = 4; i <= 6; i++) | |
725 | checksum += buf[i]; | |
726 | if (buf[7] * 256 + buf[8] != checksum) { | |
727 | err("boot bad confirm checksum."); | |
728 | return -EIO; | |
729 | } | |
730 | *reply = buf[6]; | |
731 | break; | |
732 | case FW_BOOT: | |
733 | if (buf[2] != 0x10) { | |
734 | err("boot bad boot header."); | |
735 | return -EIO; | |
736 | } | |
737 | if (buf[3] != 0x05) { | |
738 | err("boot bad boot size."); | |
739 | return -EIO; | |
740 | } | |
741 | if (buf[4] != 0x00) { | |
742 | err("boot bad boot sequence."); | |
743 | return -EIO; | |
744 | } | |
745 | if (buf[5] != 0x01) { | |
746 | err("boot bad boot pattern 01."); | |
747 | return -EIO; | |
748 | } | |
749 | if (buf[6] != 0x10) { | |
750 | err("boot bad boot pattern 10."); | |
751 | return -EIO; | |
752 | } | |
753 | for (i = 4; i <= 6; i++) | |
754 | checksum += buf[i]; | |
755 | if (buf[7] * 256 + buf[8] != checksum) { | |
756 | err("boot bad boot checksum."); | |
757 | return -EIO; | |
758 | } | |
759 | break; | |
760 | ||
761 | } | |
762 | ||
763 | return 0; | |
764 | } | |
765 | ||
766 | int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw) | |
767 | { | |
768 | int i, packets, ret, act_len; | |
769 | ||
770 | u8 buf[FW_BULKOUT_SIZE + 2]; | |
771 | u8 reply; | |
772 | ||
773 | ret = af9005_boot_packet(udev, FW_CONFIG, &reply); | |
774 | if (ret) | |
775 | return ret; | |
776 | if (reply != 0x01) { | |
777 | err("before downloading firmware, FW_CONFIG expected 0x01, received 0x%x", reply); | |
778 | return -EIO; | |
779 | } | |
780 | packets = fw->size / FW_BULKOUT_SIZE; | |
781 | buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); | |
782 | buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff); | |
783 | for (i = 0; i < packets; i++) { | |
784 | memcpy(&buf[2], fw->data + i * FW_BULKOUT_SIZE, | |
785 | FW_BULKOUT_SIZE); | |
786 | deb_fw(">>> "); | |
787 | debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw); | |
788 | ret = usb_bulk_msg(udev, | |
789 | usb_sndbulkpipe(udev, 0x02), | |
790 | buf, FW_BULKOUT_SIZE + 2, &act_len, 1000); | |
791 | if (ret) { | |
792 | err("firmware download failed at packet %d with code %d", i, ret); | |
793 | return ret; | |
794 | } | |
795 | } | |
796 | ret = af9005_boot_packet(udev, FW_CONFIRM, &reply); | |
797 | if (ret) | |
798 | return ret; | |
799 | if (reply != (u8) (packets & 0xff)) { | |
800 | err("after downloading firmware, FW_CONFIRM expected 0x%x, received 0x%x", packets & 0xff, reply); | |
801 | return -EIO; | |
802 | } | |
803 | ret = af9005_boot_packet(udev, FW_BOOT, &reply); | |
804 | if (ret) | |
805 | return ret; | |
806 | ret = af9005_boot_packet(udev, FW_CONFIG, &reply); | |
807 | if (ret) | |
808 | return ret; | |
809 | if (reply != 0x02) { | |
810 | err("after downloading firmware, FW_CONFIG expected 0x02, received 0x%x", reply); | |
811 | return -EIO; | |
812 | } | |
813 | ||
814 | return 0; | |
815 | ||
816 | } | |
817 | ||
818 | int af9005_led_control(struct dvb_usb_device *d, int onoff) | |
819 | { | |
820 | struct af9005_device_state *st = d->priv; | |
821 | int temp, ret; | |
822 | ||
823 | if (onoff && dvb_usb_af9005_led) | |
824 | temp = 1; | |
825 | else | |
826 | temp = 0; | |
827 | if (st->led_state != temp) { | |
828 | ret = | |
829 | af9005_write_register_bits(d, xd_p_reg_top_locken1, | |
830 | reg_top_locken1_pos, | |
831 | reg_top_locken1_len, temp); | |
832 | if (ret) | |
833 | return ret; | |
834 | ret = | |
835 | af9005_write_register_bits(d, xd_p_reg_top_lock1, | |
836 | reg_top_lock1_pos, | |
837 | reg_top_lock1_len, temp); | |
838 | if (ret) | |
839 | return ret; | |
840 | st->led_state = temp; | |
841 | } | |
842 | return 0; | |
843 | } | |
844 | ||
845 | static int af9005_frontend_attach(struct dvb_usb_adapter *adap) | |
846 | { | |
847 | u8 buf[8]; | |
848 | int i; | |
849 | ||
850 | /* without these calls the first commands after downloading | |
851 | the firmware fail. I put these calls here to simulate | |
852 | what it is done in dvb-usb-init.c. | |
853 | */ | |
854 | struct usb_device *udev = adap->dev->udev; | |
855 | usb_clear_halt(udev, usb_sndbulkpipe(udev, 2)); | |
856 | usb_clear_halt(udev, usb_rcvbulkpipe(udev, 1)); | |
857 | if (dvb_usb_af9005_dump_eeprom) { | |
858 | printk("EEPROM DUMP\n"); | |
859 | for (i = 0; i < 255; i += 8) { | |
860 | af9005_read_eeprom(adap->dev, i, buf, 8); | |
861 | printk("ADDR %x ", i); | |
862 | debug_dump(buf, 8, printk); | |
863 | } | |
864 | } | |
865 | adap->fe = af9005_fe_attach(adap->dev); | |
866 | return 0; | |
867 | } | |
868 | ||
869 | static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state) | |
870 | { | |
871 | struct af9005_device_state *st = d->priv; | |
872 | int ret, len; | |
873 | ||
874 | u8 obuf[5]; | |
875 | u8 ibuf[256]; | |
876 | ||
877 | *state = REMOTE_NO_KEY_PRESSED; | |
878 | if (rc_decode == NULL) { | |
879 | /* it shouldn't never come here */ | |
880 | return 0; | |
881 | } | |
882 | /* deb_info("rc_query\n"); */ | |
883 | obuf[0] = 3; /* rest of packet length low */ | |
884 | obuf[1] = 0; /* rest of packet lentgh high */ | |
885 | obuf[2] = 0x40; /* read remote */ | |
886 | obuf[3] = 1; /* rest of packet length */ | |
887 | obuf[4] = st->sequence++; /* sequence number */ | |
888 | ret = af9005_usb_generic_rw(d, obuf, 5, ibuf, 256, 0); | |
889 | if (ret) { | |
890 | err("rc query failed"); | |
891 | return ret; | |
892 | } | |
893 | if (ibuf[2] != 0x41) { | |
894 | err("rc query bad header."); | |
895 | return -EIO; | |
896 | } | |
897 | if (ibuf[4] != obuf[4]) { | |
898 | err("rc query bad sequence."); | |
899 | return -EIO; | |
900 | } | |
901 | len = ibuf[5]; | |
902 | if (len > 246) { | |
903 | err("rc query invalid length"); | |
904 | return -EIO; | |
905 | } | |
906 | if (len > 0) { | |
907 | deb_rc("rc data (%d) ", len); | |
908 | debug_dump((ibuf + 6), len, deb_rc); | |
909 | ret = rc_decode(d, &ibuf[6], len, event, state); | |
910 | if (ret) { | |
911 | err("rc_decode failed"); | |
912 | return ret; | |
913 | } else { | |
914 | deb_rc("rc_decode state %x event %x\n", *state, *event); | |
915 | if (*state == REMOTE_KEY_REPEAT) | |
916 | *event = d->last_event; | |
917 | } | |
918 | } | |
919 | return 0; | |
920 | } | |
921 | ||
922 | static int af9005_power_ctrl(struct dvb_usb_device *d, int onoff) | |
923 | { | |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
928 | static int af9005_pid_filter_control(struct dvb_usb_adapter *adap, int onoff) | |
929 | { | |
930 | int ret; | |
931 | deb_info("pid filter control onoff %d\n", onoff); | |
932 | if (onoff) { | |
933 | ret = | |
934 | af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1); | |
935 | if (ret) | |
936 | return ret; | |
937 | ret = | |
938 | af9005_write_register_bits(adap->dev, | |
939 | XD_MP2IF_DMX_CTRL, 1, 1, 1); | |
940 | if (ret) | |
941 | return ret; | |
942 | ret = | |
943 | af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1); | |
944 | } else | |
945 | ret = | |
946 | af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 0); | |
947 | if (ret) | |
948 | return ret; | |
949 | deb_info("pid filter control ok\n"); | |
950 | return 0; | |
951 | } | |
952 | ||
953 | static int af9005_pid_filter(struct dvb_usb_adapter *adap, int index, | |
954 | u16 pid, int onoff) | |
955 | { | |
956 | u8 cmd = index & 0x1f; | |
957 | int ret; | |
958 | deb_info("set pid filter, index %d, pid %x, onoff %d\n", index, | |
959 | pid, onoff); | |
960 | if (onoff) { | |
961 | /* cannot use it as pid_filter_ctrl since it has to be done | |
962 | before setting the first pid */ | |
963 | if (adap->feedcount == 1) { | |
964 | deb_info("first pid set, enable pid table\n"); | |
965 | ret = af9005_pid_filter_control(adap, onoff); | |
966 | if (ret) | |
967 | return ret; | |
968 | } | |
969 | ret = | |
970 | af9005_write_ofdm_register(adap->dev, | |
971 | XD_MP2IF_PID_DATA_L, | |
972 | (u8) (pid & 0xff)); | |
973 | if (ret) | |
974 | return ret; | |
975 | ret = | |
976 | af9005_write_ofdm_register(adap->dev, | |
977 | XD_MP2IF_PID_DATA_H, | |
978 | (u8) (pid >> 8)); | |
979 | if (ret) | |
980 | return ret; | |
981 | cmd |= 0x20 | 0x40; | |
982 | } else { | |
983 | if (adap->feedcount == 0) { | |
984 | deb_info("last pid unset, disable pid table\n"); | |
985 | ret = af9005_pid_filter_control(adap, onoff); | |
986 | if (ret) | |
987 | return ret; | |
988 | } | |
989 | } | |
990 | ret = af9005_write_ofdm_register(adap->dev, XD_MP2IF_PID_IDX, cmd); | |
991 | if (ret) | |
992 | return ret; | |
993 | deb_info("set pid ok\n"); | |
994 | return 0; | |
995 | } | |
996 | ||
997 | static int af9005_identify_state(struct usb_device *udev, | |
998 | struct dvb_usb_device_properties *props, | |
999 | struct dvb_usb_device_description **desc, | |
1000 | int *cold) | |
1001 | { | |
1002 | int ret; | |
1003 | u8 reply; | |
1004 | ret = af9005_boot_packet(udev, FW_CONFIG, &reply); | |
1005 | if (ret) | |
1006 | return ret; | |
1007 | deb_info("result of FW_CONFIG in identify state %d\n", reply); | |
1008 | if (reply == 0x01) | |
1009 | *cold = 1; | |
1010 | else if (reply == 0x02) | |
1011 | *cold = 0; | |
1012 | else | |
1013 | return -EIO; | |
1014 | deb_info("Identify state cold = %d\n", *cold); | |
1015 | return 0; | |
1016 | } | |
1017 | ||
1018 | static struct dvb_usb_device_properties af9005_properties; | |
1019 | ||
1020 | static int af9005_usb_probe(struct usb_interface *intf, | |
1021 | const struct usb_device_id *id) | |
1022 | { | |
1023 | return dvb_usb_device_init(intf, &af9005_properties, THIS_MODULE, NULL); | |
1024 | } | |
1025 | ||
1026 | static struct usb_device_id af9005_usb_table[] = { | |
1027 | {USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9005)}, | |
1028 | {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_USB_XE)}, | |
8cb93293 | 1029 | {USB_DEVICE(USB_VID_ANSONIC, USB_PID_ANSONIC_DVBT_USB)}, |
af4e067e LO |
1030 | {0}, |
1031 | }; | |
1032 | ||
1033 | MODULE_DEVICE_TABLE(usb, af9005_usb_table); | |
1034 | ||
1035 | static struct dvb_usb_device_properties af9005_properties = { | |
1036 | .caps = DVB_USB_IS_AN_I2C_ADAPTER, | |
1037 | ||
1038 | .usb_ctrl = DEVICE_SPECIFIC, | |
1039 | .firmware = "af9005.fw", | |
1040 | .download_firmware = af9005_download_firmware, | |
1041 | .no_reconnect = 1, | |
1042 | ||
1043 | .size_of_priv = sizeof(struct af9005_device_state), | |
1044 | ||
1045 | .num_adapters = 1, | |
1046 | .adapter = { | |
1047 | { | |
1048 | .caps = | |
1049 | DVB_USB_ADAP_HAS_PID_FILTER | | |
1050 | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, | |
1051 | .pid_filter_count = 32, | |
1052 | .pid_filter = af9005_pid_filter, | |
1053 | /* .pid_filter_ctrl = af9005_pid_filter_control, */ | |
1054 | .frontend_attach = af9005_frontend_attach, | |
1055 | /* .tuner_attach = af9005_tuner_attach, */ | |
1056 | /* parameter for the MPEG2-data transfer */ | |
1057 | .stream = { | |
1058 | .type = USB_BULK, | |
1059 | .count = 10, | |
1060 | .endpoint = 0x04, | |
1061 | .u = { | |
1062 | .bulk = { | |
1063 | .buffersize = 4096, /* actual size seen is 3948 */ | |
1064 | } | |
1065 | } | |
1066 | }, | |
1067 | } | |
1068 | }, | |
1069 | .power_ctrl = af9005_power_ctrl, | |
1070 | .identify_state = af9005_identify_state, | |
1071 | ||
1072 | .i2c_algo = &af9005_i2c_algo, | |
1073 | ||
1074 | .rc_interval = 200, | |
1075 | .rc_key_map = NULL, | |
1076 | .rc_key_map_size = 0, | |
1077 | .rc_query = af9005_rc_query, | |
1078 | ||
8cb93293 | 1079 | .num_device_descs = 3, |
af4e067e LO |
1080 | .devices = { |
1081 | {.name = "Afatech DVB-T USB1.1 stick", | |
1082 | .cold_ids = {&af9005_usb_table[0], NULL}, | |
1083 | .warm_ids = {NULL}, | |
1084 | }, | |
1085 | {.name = "TerraTec Cinergy T USB XE", | |
1086 | .cold_ids = {&af9005_usb_table[1], NULL}, | |
1087 | .warm_ids = {NULL}, | |
1088 | }, | |
8cb93293 LO |
1089 | {.name = "Ansonic DVB-T USB1.1 stick", |
1090 | .cold_ids = {&af9005_usb_table[2], NULL}, | |
1091 | .warm_ids = {NULL}, | |
1092 | }, | |
af4e067e LO |
1093 | {NULL}, |
1094 | } | |
1095 | }; | |
1096 | ||
1097 | /* usb specific object needed to register this driver with the usb subsystem */ | |
1098 | static struct usb_driver af9005_usb_driver = { | |
1099 | .name = "dvb_usb_af9005", | |
1100 | .probe = af9005_usb_probe, | |
1101 | .disconnect = dvb_usb_device_exit, | |
1102 | .id_table = af9005_usb_table, | |
1103 | }; | |
1104 | ||
1105 | /* module stuff */ | |
1106 | static int __init af9005_usb_module_init(void) | |
1107 | { | |
1108 | int result; | |
1109 | if ((result = usb_register(&af9005_usb_driver))) { | |
1110 | err("usb_register failed. (%d)", result); | |
1111 | return result; | |
1112 | } | |
1113 | rc_decode = symbol_request(af9005_rc_decode); | |
1114 | rc_keys = symbol_request(af9005_rc_keys); | |
1115 | rc_keys_size = symbol_request(af9005_rc_keys_size); | |
1116 | if (rc_decode == NULL || rc_keys == NULL || rc_keys_size == NULL) { | |
1117 | err("af9005_rc_decode function not found, disabling remote"); | |
1118 | af9005_properties.rc_query = NULL; | |
1119 | } else { | |
1120 | af9005_properties.rc_key_map = rc_keys; | |
1121 | af9005_properties.rc_key_map_size = *rc_keys_size; | |
1122 | } | |
1123 | ||
1124 | return 0; | |
1125 | } | |
1126 | ||
1127 | static void __exit af9005_usb_module_exit(void) | |
1128 | { | |
1129 | /* release rc decode symbols */ | |
1130 | if (rc_decode != NULL) | |
1131 | symbol_put(af9005_rc_decode); | |
1132 | if (rc_keys != NULL) | |
1133 | symbol_put(af9005_rc_keys); | |
1134 | if (rc_keys_size != NULL) | |
1135 | symbol_put(af9005_rc_keys_size); | |
1136 | /* deregister this driver from the USB subsystem */ | |
1137 | usb_deregister(&af9005_usb_driver); | |
1138 | } | |
1139 | ||
1140 | module_init(af9005_usb_module_init); | |
1141 | module_exit(af9005_usb_module_exit); | |
1142 | ||
1143 | MODULE_AUTHOR("Luca Olivetti <luca@ventoso.org>"); | |
1144 | MODULE_DESCRIPTION("Driver for Afatech 9005 DVB-T USB1.1 stick"); | |
1145 | MODULE_VERSION("1.0"); | |
1146 | MODULE_LICENSE("GPL"); |