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sched: Remove double_rq_lock() from __migrate_task()
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / az6007.c
blobc3c4b98733bf5dec923f7c164eb87e95f880efdb
1 /*
2 * Driver for AzureWave 6007 DVB-C/T USB2.0 and clones
3 *
4 * Copyright (c) Henry Wang <Henry.wang@AzureWave.com>
5 *
6 * This driver was made publicly available by Terratec, at:
7 * http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
8 * The original driver's license is GPL, as declared with MODULE_LICENSE()
9 *
10 * Copyright (c) 2010-2012 Mauro Carvalho Chehab
11 * Driver modified by in order to work with upstream drxk driver, and
12 * tons of bugs got fixed, and converted to use dvb-usb-v2.
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation under version 2 of the License.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 */
23
24 #include "drxk.h"
25 #include "mt2063.h"
26 #include "dvb_ca_en50221.h"
27 #include "dvb_usb.h"
28 #include "cypress_firmware.h"
29
30 #define AZ6007_FIRMWARE "dvb-usb-terratec-h7-az6007.fw"
31
32 static int az6007_xfer_debug;
33 module_param_named(xfer_debug, az6007_xfer_debug, int, 0644);
34 MODULE_PARM_DESC(xfer_debug, "Enable xfer debug");
35
36 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
37
38 /* Known requests (Cypress FX2 firmware + az6007 "private" ones*/
39
40 #define FX2_OED 0xb5
41 #define AZ6007_READ_DATA 0xb7
42 #define AZ6007_I2C_RD 0xb9
43 #define AZ6007_POWER 0xbc
44 #define AZ6007_I2C_WR 0xbd
45 #define FX2_SCON1 0xc0
46 #define AZ6007_TS_THROUGH 0xc7
47 #define AZ6007_READ_IR 0xb4
48
49 struct az6007_device_state {
50 struct mutex mutex;
51 struct mutex ca_mutex;
52 struct dvb_ca_en50221 ca;
53 unsigned warm:1;
54 int (*gate_ctrl) (struct dvb_frontend *, int);
55 unsigned char data[4096];
56 };
57
58 static struct drxk_config terratec_h7_drxk = {
59 .adr = 0x29,
60 .parallel_ts = true,
61 .dynamic_clk = true,
62 .single_master = true,
63 .enable_merr_cfg = true,
64 .no_i2c_bridge = false,
65 .chunk_size = 64,
66 .mpeg_out_clk_strength = 0x02,
67 .qam_demod_parameter_count = 2,
68 .microcode_name = "dvb-usb-terratec-h7-drxk.fw",
69 };
70
71 static struct drxk_config cablestar_hdci_drxk = {
72 .adr = 0x29,
73 .parallel_ts = true,
74 .dynamic_clk = true,
75 .single_master = true,
76 .enable_merr_cfg = true,
77 .no_i2c_bridge = false,
78 .chunk_size = 64,
79 .mpeg_out_clk_strength = 0x02,
80 .qam_demod_parameter_count = 2,
81 .microcode_name = "dvb-usb-technisat-cablestar-hdci-drxk.fw",
82 };
83
84 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
85 {
86 struct az6007_device_state *st = fe_to_priv(fe);
87 struct dvb_usb_adapter *adap = fe->sec_priv;
88 int status = 0;
89
90 pr_debug("%s: %s\n", __func__, enable ? "enable" : "disable");
91
92 if (!adap || !st)
93 return -EINVAL;
94
95 if (enable)
96 status = st->gate_ctrl(fe, 1);
97 else
98 status = st->gate_ctrl(fe, 0);
99
100 return status;
101 }
102
103 static struct mt2063_config az6007_mt2063_config = {
104 .tuner_address = 0x60,
105 .refclock = 36125000,
106 };
107
108 static int __az6007_read(struct usb_device *udev, u8 req, u16 value,
109 u16 index, u8 *b, int blen)
110 {
111 int ret;
112
113 ret = usb_control_msg(udev,
114 usb_rcvctrlpipe(udev, 0),
115 req,
116 USB_TYPE_VENDOR | USB_DIR_IN,
117 value, index, b, blen, 5000);
118 if (ret < 0) {
119 pr_warn("usb read operation failed. (%d)\n", ret);
120 return -EIO;
121 }
122
123 if (az6007_xfer_debug) {
124 printk(KERN_DEBUG "az6007: IN req: %02x, value: %04x, index: %04x\n",
125 req, value, index);
126 print_hex_dump_bytes("az6007: payload: ",
127 DUMP_PREFIX_NONE, b, blen);
128 }
129
130 return ret;
131 }
132
133 static int az6007_read(struct dvb_usb_device *d, u8 req, u16 value,
134 u16 index, u8 *b, int blen)
135 {
136 struct az6007_device_state *st = d->priv;
137 int ret;
138
139 if (mutex_lock_interruptible(&st->mutex) < 0)
140 return -EAGAIN;
141
142 ret = __az6007_read(d->udev, req, value, index, b, blen);
143
144 mutex_unlock(&st->mutex);
145
146 return ret;
147 }
148
149 static int __az6007_write(struct usb_device *udev, u8 req, u16 value,
150 u16 index, u8 *b, int blen)
151 {
152 int ret;
153
154 if (az6007_xfer_debug) {
155 printk(KERN_DEBUG "az6007: OUT req: %02x, value: %04x, index: %04x\n",
156 req, value, index);
157 print_hex_dump_bytes("az6007: payload: ",
158 DUMP_PREFIX_NONE, b, blen);
159 }
160
161 if (blen > 64) {
162 pr_err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
163 blen);
164 return -EOPNOTSUPP;
165 }
166
167 ret = usb_control_msg(udev,
168 usb_sndctrlpipe(udev, 0),
169 req,
170 USB_TYPE_VENDOR | USB_DIR_OUT,
171 value, index, b, blen, 5000);
172 if (ret != blen) {
173 pr_err("usb write operation failed. (%d)\n", ret);
174 return -EIO;
175 }
176
177 return 0;
178 }
179
180 static int az6007_write(struct dvb_usb_device *d, u8 req, u16 value,
181 u16 index, u8 *b, int blen)
182 {
183 struct az6007_device_state *st = d->priv;
184 int ret;
185
186 if (mutex_lock_interruptible(&st->mutex) < 0)
187 return -EAGAIN;
188
189 ret = __az6007_write(d->udev, req, value, index, b, blen);
190
191 mutex_unlock(&st->mutex);
192
193 return ret;
194 }
195
196 static int az6007_streaming_ctrl(struct dvb_frontend *fe, int onoff)
197 {
198 struct dvb_usb_device *d = fe_to_d(fe);
199
200 pr_debug("%s: %s\n", __func__, onoff ? "enable" : "disable");
201
202 return az6007_write(d, 0xbc, onoff, 0, NULL, 0);
203 }
204
205 #if IS_ENABLED(CONFIG_RC_CORE)
206 /* remote control stuff (does not work with my box) */
207 static int az6007_rc_query(struct dvb_usb_device *d)
208 {
209 struct az6007_device_state *st = d_to_priv(d);
210 unsigned code = 0;
211
212 az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
213
214 if (st->data[1] == 0x44)
215 return 0;
216
217 if ((st->data[1] ^ st->data[2]) == 0xff)
218 code = st->data[1];
219 else
220 code = st->data[1] << 8 | st->data[2];
221
222 if ((st->data[3] ^ st->data[4]) == 0xff)
223 code = code << 8 | st->data[3];
224 else
225 code = code << 16 | st->data[3] << 8 | st->data[4];
226
227 rc_keydown(d->rc_dev, code, st->data[5]);
228
229 return 0;
230 }
231
232 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
233 {
234 pr_debug("Getting az6007 Remote Control properties\n");
235
236 rc->allowed_protos = RC_BIT_NEC;
237 rc->query = az6007_rc_query;
238 rc->interval = 400;
239
240 return 0;
241 }
242 #else
243 #define az6007_get_rc_config NULL
244 #endif
245
246 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
247 int slot,
248 int address)
249 {
250 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
251 struct az6007_device_state *state = d_to_priv(d);
252
253 int ret;
254 u8 req;
255 u16 value;
256 u16 index;
257 int blen;
258 u8 *b;
259
260 if (slot != 0)
261 return -EINVAL;
262
263 b = kmalloc(12, GFP_KERNEL);
264 if (!b)
265 return -ENOMEM;
266
267 mutex_lock(&state->ca_mutex);
268
269 req = 0xC1;
270 value = address;
271 index = 0;
272 blen = 1;
273
274 ret = az6007_read(d, req, value, index, b, blen);
275 if (ret < 0) {
276 pr_warn("usb in operation failed. (%d)\n", ret);
277 ret = -EINVAL;
278 } else {
279 ret = b[0];
280 }
281
282 mutex_unlock(&state->ca_mutex);
283 kfree(b);
284 return ret;
285 }
286
287 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
288 int slot,
289 int address,
290 u8 value)
291 {
292 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
293 struct az6007_device_state *state = d_to_priv(d);
294
295 int ret;
296 u8 req;
297 u16 value1;
298 u16 index;
299 int blen;
300
301 pr_debug("%s(), slot %d\n", __func__, slot);
302 if (slot != 0)
303 return -EINVAL;
304
305 mutex_lock(&state->ca_mutex);
306 req = 0xC2;
307 value1 = address;
308 index = value;
309 blen = 0;
310
311 ret = az6007_write(d, req, value1, index, NULL, blen);
312 if (ret != 0)
313 pr_warn("usb out operation failed. (%d)\n", ret);
314
315 mutex_unlock(&state->ca_mutex);
316 return ret;
317 }
318
319 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
320 int slot,
321 u8 address)
322 {
323 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
324 struct az6007_device_state *state = d_to_priv(d);
325
326 int ret;
327 u8 req;
328 u16 value;
329 u16 index;
330 int blen;
331 u8 *b;
332
333 if (slot != 0)
334 return -EINVAL;
335
336 b = kmalloc(12, GFP_KERNEL);
337 if (!b)
338 return -ENOMEM;
339
340 mutex_lock(&state->ca_mutex);
341
342 req = 0xC3;
343 value = address;
344 index = 0;
345 blen = 2;
346
347 ret = az6007_read(d, req, value, index, b, blen);
348 if (ret < 0) {
349 pr_warn("usb in operation failed. (%d)\n", ret);
350 ret = -EINVAL;
351 } else {
352 if (b[0] == 0)
353 pr_warn("Read CI IO error\n");
354
355 ret = b[1];
356 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
357 }
358
359 mutex_unlock(&state->ca_mutex);
360 kfree(b);
361 return ret;
362 }
363
364 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
365 int slot,
366 u8 address,
367 u8 value)
368 {
369 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
370 struct az6007_device_state *state = d_to_priv(d);
371
372 int ret;
373 u8 req;
374 u16 value1;
375 u16 index;
376 int blen;
377
378 if (slot != 0)
379 return -EINVAL;
380
381 mutex_lock(&state->ca_mutex);
382 req = 0xC4;
383 value1 = address;
384 index = value;
385 blen = 0;
386
387 ret = az6007_write(d, req, value1, index, NULL, blen);
388 if (ret != 0) {
389 pr_warn("usb out operation failed. (%d)\n", ret);
390 goto failed;
391 }
392
393 failed:
394 mutex_unlock(&state->ca_mutex);
395 return ret;
396 }
397
398 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
399 {
400 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
401
402 int ret;
403 u8 req;
404 u16 value;
405 u16 index;
406 int blen;
407 u8 *b;
408
409 b = kmalloc(12, GFP_KERNEL);
410 if (!b)
411 return -ENOMEM;
412
413 req = 0xC8;
414 value = 0;
415 index = 0;
416 blen = 1;
417
418 ret = az6007_read(d, req, value, index, b, blen);
419 if (ret < 0) {
420 pr_warn("usb in operation failed. (%d)\n", ret);
421 ret = -EIO;
422 } else{
423 ret = b[0];
424 }
425 kfree(b);
426 return ret;
427 }
428
429 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
430 {
431 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
432 struct az6007_device_state *state = d_to_priv(d);
433
434 int ret, i;
435 u8 req;
436 u16 value;
437 u16 index;
438 int blen;
439
440 mutex_lock(&state->ca_mutex);
441
442 req = 0xC6;
443 value = 1;
444 index = 0;
445 blen = 0;
446
447 ret = az6007_write(d, req, value, index, NULL, blen);
448 if (ret != 0) {
449 pr_warn("usb out operation failed. (%d)\n", ret);
450 goto failed;
451 }
452
453 msleep(500);
454 req = 0xC6;
455 value = 0;
456 index = 0;
457 blen = 0;
458
459 ret = az6007_write(d, req, value, index, NULL, blen);
460 if (ret != 0) {
461 pr_warn("usb out operation failed. (%d)\n", ret);
462 goto failed;
463 }
464
465 for (i = 0; i < 15; i++) {
466 msleep(100);
467
468 if (CI_CamReady(ca, slot)) {
469 pr_debug("CAM Ready\n");
470 break;
471 }
472 }
473 msleep(5000);
474
475 failed:
476 mutex_unlock(&state->ca_mutex);
477 return ret;
478 }
479
480 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
481 {
482 return 0;
483 }
484
485 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
486 {
487 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
488 struct az6007_device_state *state = d_to_priv(d);
489
490 int ret;
491 u8 req;
492 u16 value;
493 u16 index;
494 int blen;
495
496 pr_debug("%s()\n", __func__);
497 mutex_lock(&state->ca_mutex);
498 req = 0xC7;
499 value = 1;
500 index = 0;
501 blen = 0;
502
503 ret = az6007_write(d, req, value, index, NULL, blen);
504 if (ret != 0) {
505 pr_warn("usb out operation failed. (%d)\n", ret);
506 goto failed;
507 }
508
509 failed:
510 mutex_unlock(&state->ca_mutex);
511 return ret;
512 }
513
514 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
515 {
516 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
517 struct az6007_device_state *state = d_to_priv(d);
518 int ret;
519 u8 req;
520 u16 value;
521 u16 index;
522 int blen;
523 u8 *b;
524
525 b = kmalloc(12, GFP_KERNEL);
526 if (!b)
527 return -ENOMEM;
528 mutex_lock(&state->ca_mutex);
529
530 req = 0xC5;
531 value = 0;
532 index = 0;
533 blen = 1;
534
535 ret = az6007_read(d, req, value, index, b, blen);
536 if (ret < 0) {
537 pr_warn("usb in operation failed. (%d)\n", ret);
538 ret = -EIO;
539 } else
540 ret = 0;
541
542 if (!ret && b[0] == 1) {
543 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
544 DVB_CA_EN50221_POLL_CAM_READY;
545 }
546
547 mutex_unlock(&state->ca_mutex);
548 kfree(b);
549 return ret;
550 }
551
552
553 static void az6007_ci_uninit(struct dvb_usb_device *d)
554 {
555 struct az6007_device_state *state;
556
557 pr_debug("%s()\n", __func__);
558
559 if (NULL == d)
560 return;
561
562 state = d_to_priv(d);
563 if (NULL == state)
564 return;
565
566 if (NULL == state->ca.data)
567 return;
568
569 dvb_ca_en50221_release(&state->ca);
570
571 memset(&state->ca, 0, sizeof(state->ca));
572 }
573
574
575 static int az6007_ci_init(struct dvb_usb_adapter *adap)
576 {
577 struct dvb_usb_device *d = adap_to_d(adap);
578 struct az6007_device_state *state = adap_to_priv(adap);
579 int ret;
580
581 pr_debug("%s()\n", __func__);
582
583 mutex_init(&state->ca_mutex);
584 state->ca.owner = THIS_MODULE;
585 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
586 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
587 state->ca.read_cam_control = az6007_ci_read_cam_control;
588 state->ca.write_cam_control = az6007_ci_write_cam_control;
589 state->ca.slot_reset = az6007_ci_slot_reset;
590 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
591 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
592 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
593 state->ca.data = d;
594
595 ret = dvb_ca_en50221_init(&adap->dvb_adap,
596 &state->ca,
597 0, /* flags */
598 1);/* n_slots */
599 if (ret != 0) {
600 pr_err("Cannot initialize CI: Error %d.\n", ret);
601 memset(&state->ca, 0, sizeof(state->ca));
602 return ret;
603 }
604
605 pr_debug("CI initialized.\n");
606
607 return 0;
608 }
609
610 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
611 {
612 struct dvb_usb_device *d = adap_to_d(adap);
613 struct az6007_device_state *st = adap_to_priv(adap);
614 int ret;
615
616 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
617 memcpy(mac, st->data, 6);
618
619 if (ret > 0)
620 pr_debug("%s: mac is %pM\n", __func__, mac);
621
622 return ret;
623 }
624
625 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
626 {
627 struct az6007_device_state *st = adap_to_priv(adap);
628 struct dvb_usb_device *d = adap_to_d(adap);
629
630 pr_debug("attaching demod drxk\n");
631
632 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
633 &d->i2c_adap);
634 if (!adap->fe[0])
635 return -EINVAL;
636
637 adap->fe[0]->sec_priv = adap;
638 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
639 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
640
641 az6007_ci_init(adap);
642
643 return 0;
644 }
645
646 static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap)
647 {
648 struct az6007_device_state *st = adap_to_priv(adap);
649 struct dvb_usb_device *d = adap_to_d(adap);
650
651 pr_debug("attaching demod drxk\n");
652
653 adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk,
654 &d->i2c_adap);
655 if (!adap->fe[0])
656 return -EINVAL;
657
658 adap->fe[0]->sec_priv = adap;
659 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
660 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
661
662 az6007_ci_init(adap);
663
664 return 0;
665 }
666
667 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
668 {
669 struct dvb_usb_device *d = adap_to_d(adap);
670
671 pr_debug("attaching tuner mt2063\n");
672
673 /* Attach mt2063 to DVB-C frontend */
674 if (adap->fe[0]->ops.i2c_gate_ctrl)
675 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
676 if (!dvb_attach(mt2063_attach, adap->fe[0],
677 &az6007_mt2063_config,
678 &d->i2c_adap))
679 return -EINVAL;
680
681 if (adap->fe[0]->ops.i2c_gate_ctrl)
682 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
683
684 return 0;
685 }
686
687 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
688 {
689 struct az6007_device_state *state = d_to_priv(d);
690 int ret;
691
692 pr_debug("%s()\n", __func__);
693
694 if (!state->warm) {
695 mutex_init(&state->mutex);
696
697 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
698 if (ret < 0)
699 return ret;
700 msleep(60);
701 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
702 if (ret < 0)
703 return ret;
704 msleep(100);
705 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
706 if (ret < 0)
707 return ret;
708 msleep(20);
709 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
710 if (ret < 0)
711 return ret;
712
713 msleep(400);
714 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
715 if (ret < 0)
716 return ret;
717 msleep(150);
718 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
719 if (ret < 0)
720 return ret;
721 msleep(430);
722 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
723 if (ret < 0)
724 return ret;
725
726 state->warm = true;
727
728 return 0;
729 }
730
731 if (!onoff)
732 return 0;
733
734 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
735 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
736
737 return 0;
738 }
739
740 /* I2C */
741 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
742 int num)
743 {
744 struct dvb_usb_device *d = i2c_get_adapdata(adap);
745 struct az6007_device_state *st = d_to_priv(d);
746 int i, j, len;
747 int ret = 0;
748 u16 index;
749 u16 value;
750 int length;
751 u8 req, addr;
752
753 if (mutex_lock_interruptible(&st->mutex) < 0)
754 return -EAGAIN;
755
756 for (i = 0; i < num; i++) {
757 addr = msgs[i].addr << 1;
758 if (((i + 1) < num)
759 && (msgs[i].len == 1)
760 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
761 && (msgs[i + 1].flags & I2C_M_RD)
762 && (msgs[i].addr == msgs[i + 1].addr)) {
763 /*
764 * A write + read xfer for the same address, where
765 * the first xfer has just 1 byte length.
766 * Need to join both into one operation
767 */
768 if (az6007_xfer_debug)
769 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
770 addr, msgs[i].len, msgs[i + 1].len);
771 req = AZ6007_I2C_RD;
772 index = msgs[i].buf[0];
773 value = addr | (1 << 8);
774 length = 6 + msgs[i + 1].len;
775 len = msgs[i + 1].len;
776 ret = __az6007_read(d->udev, req, value, index,
777 st->data, length);
778 if (ret >= len) {
779 for (j = 0; j < len; j++)
780 msgs[i + 1].buf[j] = st->data[j + 5];
781 } else
782 ret = -EIO;
783 i++;
784 } else if (!(msgs[i].flags & I2C_M_RD)) {
785 /* write bytes */
786 if (az6007_xfer_debug)
787 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
788 addr, msgs[i].len);
789 req = AZ6007_I2C_WR;
790 index = msgs[i].buf[0];
791 value = addr | (1 << 8);
792 length = msgs[i].len - 1;
793 len = msgs[i].len - 1;
794 for (j = 0; j < len; j++)
795 st->data[j] = msgs[i].buf[j + 1];
796 ret = __az6007_write(d->udev, req, value, index,
797 st->data, length);
798 } else {
799 /* read bytes */
800 if (az6007_xfer_debug)
801 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
802 addr, msgs[i].len);
803 req = AZ6007_I2C_RD;
804 index = msgs[i].buf[0];
805 value = addr;
806 length = msgs[i].len + 6;
807 len = msgs[i].len;
808 ret = __az6007_read(d->udev, req, value, index,
809 st->data, length);
810 for (j = 0; j < len; j++)
811 msgs[i].buf[j] = st->data[j + 5];
812 }
813 if (ret < 0)
814 goto err;
815 }
816 err:
817 mutex_unlock(&st->mutex);
818
819 if (ret < 0) {
820 pr_info("%s ERROR: %i\n", __func__, ret);
821 return ret;
822 }
823 return num;
824 }
825
826 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
827 {
828 return I2C_FUNC_I2C;
829 }
830
831 static struct i2c_algorithm az6007_i2c_algo = {
832 .master_xfer = az6007_i2c_xfer,
833 .functionality = az6007_i2c_func,
834 };
835
836 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
837 {
838 int ret;
839 u8 *mac;
840
841 pr_debug("Identifying az6007 state\n");
842
843 mac = kmalloc(6, GFP_ATOMIC);
844 if (!mac)
845 return -ENOMEM;
846
847 /* Try to read the mac address */
848 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
849 if (ret == 6)
850 ret = WARM;
851 else
852 ret = COLD;
853
854 kfree(mac);
855
856 if (ret == COLD) {
857 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
858 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
859 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
860 }
861
862 pr_debug("Device is on %s state\n",
863 ret == WARM ? "warm" : "cold");
864 return ret;
865 }
866
867 static void az6007_usb_disconnect(struct usb_interface *intf)
868 {
869 struct dvb_usb_device *d = usb_get_intfdata(intf);
870 az6007_ci_uninit(d);
871 dvb_usbv2_disconnect(intf);
872 }
873
874 static int az6007_download_firmware(struct dvb_usb_device *d,
875 const struct firmware *fw)
876 {
877 pr_debug("Loading az6007 firmware\n");
878
879 return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
880 }
881
882 /* DVB USB Driver stuff */
883 static struct dvb_usb_device_properties az6007_props = {
884 .driver_name = KBUILD_MODNAME,
885 .owner = THIS_MODULE,
886 .firmware = AZ6007_FIRMWARE,
887
888 .adapter_nr = adapter_nr,
889 .size_of_priv = sizeof(struct az6007_device_state),
890 .i2c_algo = &az6007_i2c_algo,
891 .tuner_attach = az6007_tuner_attach,
892 .frontend_attach = az6007_frontend_attach,
893 .streaming_ctrl = az6007_streaming_ctrl,
894 .get_rc_config = az6007_get_rc_config,
895 .read_mac_address = az6007_read_mac_addr,
896 .download_firmware = az6007_download_firmware,
897 .identify_state = az6007_identify_state,
898 .power_ctrl = az6007_power_ctrl,
899 .num_adapters = 1,
900 .adapter = {
901 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
902 }
903 };
904
905 static struct dvb_usb_device_properties az6007_cablestar_hdci_props = {
906 .driver_name = KBUILD_MODNAME,
907 .owner = THIS_MODULE,
908 .firmware = AZ6007_FIRMWARE,
909
910 .adapter_nr = adapter_nr,
911 .size_of_priv = sizeof(struct az6007_device_state),
912 .i2c_algo = &az6007_i2c_algo,
913 .tuner_attach = az6007_tuner_attach,
914 .frontend_attach = az6007_cablestar_hdci_frontend_attach,
915 .streaming_ctrl = az6007_streaming_ctrl,
916 /* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */
917 .get_rc_config = NULL,
918 .read_mac_address = az6007_read_mac_addr,
919 .download_firmware = az6007_download_firmware,
920 .identify_state = az6007_identify_state,
921 .power_ctrl = az6007_power_ctrl,
922 .num_adapters = 1,
923 .adapter = {
924 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
925 }
926 };
927
928 static struct usb_device_id az6007_usb_table[] = {
929 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
930 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
931 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
932 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
933 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
934 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
935 {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI,
936 &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)},
937 {0},
938 };
939
940 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
941
942 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
943 {
944 struct dvb_usb_device *d = usb_get_intfdata(intf);
945
946 az6007_ci_uninit(d);
947 return dvb_usbv2_suspend(intf, msg);
948 }
949
950 static int az6007_resume(struct usb_interface *intf)
951 {
952 struct dvb_usb_device *d = usb_get_intfdata(intf);
953 struct dvb_usb_adapter *adap = &d->adapter[0];
954
955 az6007_ci_init(adap);
956 return dvb_usbv2_resume(intf);
957 }
958
959 /* usb specific object needed to register this driver with the usb subsystem */
960 static struct usb_driver az6007_usb_driver = {
961 .name = KBUILD_MODNAME,
962 .id_table = az6007_usb_table,
963 .probe = dvb_usbv2_probe,
964 .disconnect = az6007_usb_disconnect,
965 .no_dynamic_id = 1,
966 .soft_unbind = 1,
967 /*
968 * FIXME: need to implement reset_resume, likely with
969 * dvb-usb-v2 core support
970 */
971 .suspend = az6007_suspend,
972 .resume = az6007_resume,
973 };
974
975 module_usb_driver(az6007_usb_driver);
976
977 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
978 MODULE_AUTHOR("Mauro Carvalho Chehab");
979 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
980 MODULE_VERSION("2.0");
981 MODULE_LICENSE("GPL");
982 MODULE_FIRMWARE(AZ6007_FIRMWARE);
Linux with added FPC-III support