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 <media/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
drxk_gate_ctrl(struct dvb_frontend * fe,int enable)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
__az6007_read(struct usb_device * udev,u8 req,u16 value,u16 index,u8 * b,int blen)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
az6007_read(struct dvb_usb_device * d,u8 req,u16 value,u16 index,u8 * b,int blen)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
__az6007_write(struct usb_device * udev,u8 req,u16 value,u16 index,u8 * b,int blen)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
az6007_write(struct dvb_usb_device * d,u8 req,u16 value,u16 index,u8 * b,int blen)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
az6007_streaming_ctrl(struct dvb_frontend * fe,int onoff)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) */
az6007_rc_query(struct dvb_usb_device * d)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;
211 enum rc_proto proto;
212
213 if (az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10) < 0)
214 return -EIO;
215
216 if (st->data[1] == 0x44)
217 return 0;
218
219 if ((st->data[3] ^ st->data[4]) == 0xff) {
220 if ((st->data[1] ^ st->data[2]) == 0xff) {
221 code = RC_SCANCODE_NEC(st->data[1], st->data[3]);
222 proto = RC_PROTO_NEC;
223 } else {
224 code = RC_SCANCODE_NECX(st->data[1] << 8 | st->data[2],
225 st->data[3]);
226 proto = RC_PROTO_NECX;
227 }
228 } else {
229 code = RC_SCANCODE_NEC32(st->data[1] << 24 |
230 st->data[2] << 16 |
231 st->data[3] << 8 |
232 st->data[4]);
233 proto = RC_PROTO_NEC32;
234 }
235
236 rc_keydown(d->rc_dev, proto, code, st->data[5]);
237
238 return 0;
239 }
240
az6007_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)241 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
242 {
243 pr_debug("Getting az6007 Remote Control properties\n");
244
245 rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
246 RC_PROTO_BIT_NEC32;
247 rc->query = az6007_rc_query;
248 rc->interval = 400;
249
250 return 0;
251 }
252 #else
253 #define az6007_get_rc_config NULL
254 #endif
255
az6007_ci_read_attribute_mem(struct dvb_ca_en50221 * ca,int slot,int address)256 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
257 int slot,
258 int address)
259 {
260 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
261 struct az6007_device_state *state = d_to_priv(d);
262
263 int ret;
264 u8 req;
265 u16 value;
266 u16 index;
267 int blen;
268 u8 *b;
269
270 if (slot != 0)
271 return -EINVAL;
272
273 b = kmalloc(12, GFP_KERNEL);
274 if (!b)
275 return -ENOMEM;
276
277 mutex_lock(&state->ca_mutex);
278
279 req = 0xC1;
280 value = address;
281 index = 0;
282 blen = 1;
283
284 ret = az6007_read(d, req, value, index, b, blen);
285 if (ret < 0) {
286 pr_warn("usb in operation failed. (%d)\n", ret);
287 ret = -EINVAL;
288 } else {
289 ret = b[0];
290 }
291
292 mutex_unlock(&state->ca_mutex);
293 kfree(b);
294 return ret;
295 }
296
az6007_ci_write_attribute_mem(struct dvb_ca_en50221 * ca,int slot,int address,u8 value)297 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
298 int slot,
299 int address,
300 u8 value)
301 {
302 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
303 struct az6007_device_state *state = d_to_priv(d);
304
305 int ret;
306 u8 req;
307 u16 value1;
308 u16 index;
309 int blen;
310
311 pr_debug("%s(), slot %d\n", __func__, slot);
312 if (slot != 0)
313 return -EINVAL;
314
315 mutex_lock(&state->ca_mutex);
316 req = 0xC2;
317 value1 = address;
318 index = value;
319 blen = 0;
320
321 ret = az6007_write(d, req, value1, index, NULL, blen);
322 if (ret != 0)
323 pr_warn("usb out operation failed. (%d)\n", ret);
324
325 mutex_unlock(&state->ca_mutex);
326 return ret;
327 }
328
az6007_ci_read_cam_control(struct dvb_ca_en50221 * ca,int slot,u8 address)329 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
330 int slot,
331 u8 address)
332 {
333 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
334 struct az6007_device_state *state = d_to_priv(d);
335
336 int ret;
337 u8 req;
338 u16 value;
339 u16 index;
340 int blen;
341 u8 *b;
342
343 if (slot != 0)
344 return -EINVAL;
345
346 b = kmalloc(12, GFP_KERNEL);
347 if (!b)
348 return -ENOMEM;
349
350 mutex_lock(&state->ca_mutex);
351
352 req = 0xC3;
353 value = address;
354 index = 0;
355 blen = 2;
356
357 ret = az6007_read(d, req, value, index, b, blen);
358 if (ret < 0) {
359 pr_warn("usb in operation failed. (%d)\n", ret);
360 ret = -EINVAL;
361 } else {
362 if (b[0] == 0)
363 pr_warn("Read CI IO error\n");
364
365 ret = b[1];
366 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
367 }
368
369 mutex_unlock(&state->ca_mutex);
370 kfree(b);
371 return ret;
372 }
373
az6007_ci_write_cam_control(struct dvb_ca_en50221 * ca,int slot,u8 address,u8 value)374 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
375 int slot,
376 u8 address,
377 u8 value)
378 {
379 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
380 struct az6007_device_state *state = d_to_priv(d);
381
382 int ret;
383 u8 req;
384 u16 value1;
385 u16 index;
386 int blen;
387
388 if (slot != 0)
389 return -EINVAL;
390
391 mutex_lock(&state->ca_mutex);
392 req = 0xC4;
393 value1 = address;
394 index = value;
395 blen = 0;
396
397 ret = az6007_write(d, req, value1, index, NULL, blen);
398 if (ret != 0) {
399 pr_warn("usb out operation failed. (%d)\n", ret);
400 goto failed;
401 }
402
403 failed:
404 mutex_unlock(&state->ca_mutex);
405 return ret;
406 }
407
CI_CamReady(struct dvb_ca_en50221 * ca,int slot)408 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
409 {
410 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
411
412 int ret;
413 u8 req;
414 u16 value;
415 u16 index;
416 int blen;
417 u8 *b;
418
419 b = kmalloc(12, GFP_KERNEL);
420 if (!b)
421 return -ENOMEM;
422
423 req = 0xC8;
424 value = 0;
425 index = 0;
426 blen = 1;
427
428 ret = az6007_read(d, req, value, index, b, blen);
429 if (ret < 0) {
430 pr_warn("usb in operation failed. (%d)\n", ret);
431 ret = -EIO;
432 } else{
433 ret = b[0];
434 }
435 kfree(b);
436 return ret;
437 }
438
az6007_ci_slot_reset(struct dvb_ca_en50221 * ca,int slot)439 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
440 {
441 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
442 struct az6007_device_state *state = d_to_priv(d);
443
444 int ret, i;
445 u8 req;
446 u16 value;
447 u16 index;
448 int blen;
449
450 mutex_lock(&state->ca_mutex);
451
452 req = 0xC6;
453 value = 1;
454 index = 0;
455 blen = 0;
456
457 ret = az6007_write(d, req, value, index, NULL, blen);
458 if (ret != 0) {
459 pr_warn("usb out operation failed. (%d)\n", ret);
460 goto failed;
461 }
462
463 msleep(500);
464 req = 0xC6;
465 value = 0;
466 index = 0;
467 blen = 0;
468
469 ret = az6007_write(d, req, value, index, NULL, blen);
470 if (ret != 0) {
471 pr_warn("usb out operation failed. (%d)\n", ret);
472 goto failed;
473 }
474
475 for (i = 0; i < 15; i++) {
476 msleep(100);
477
478 if (CI_CamReady(ca, slot)) {
479 pr_debug("CAM Ready\n");
480 break;
481 }
482 }
483 msleep(5000);
484
485 failed:
486 mutex_unlock(&state->ca_mutex);
487 return ret;
488 }
489
az6007_ci_slot_shutdown(struct dvb_ca_en50221 * ca,int slot)490 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
491 {
492 return 0;
493 }
494
az6007_ci_slot_ts_enable(struct dvb_ca_en50221 * ca,int slot)495 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
496 {
497 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
498 struct az6007_device_state *state = d_to_priv(d);
499
500 int ret;
501 u8 req;
502 u16 value;
503 u16 index;
504 int blen;
505
506 pr_debug("%s()\n", __func__);
507 mutex_lock(&state->ca_mutex);
508 req = 0xC7;
509 value = 1;
510 index = 0;
511 blen = 0;
512
513 ret = az6007_write(d, req, value, index, NULL, blen);
514 if (ret != 0) {
515 pr_warn("usb out operation failed. (%d)\n", ret);
516 goto failed;
517 }
518
519 failed:
520 mutex_unlock(&state->ca_mutex);
521 return ret;
522 }
523
az6007_ci_poll_slot_status(struct dvb_ca_en50221 * ca,int slot,int open)524 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
525 {
526 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
527 struct az6007_device_state *state = d_to_priv(d);
528 int ret;
529 u8 req;
530 u16 value;
531 u16 index;
532 int blen;
533 u8 *b;
534
535 b = kmalloc(12, GFP_KERNEL);
536 if (!b)
537 return -ENOMEM;
538 mutex_lock(&state->ca_mutex);
539
540 req = 0xC5;
541 value = 0;
542 index = 0;
543 blen = 1;
544
545 ret = az6007_read(d, req, value, index, b, blen);
546 if (ret < 0) {
547 pr_warn("usb in operation failed. (%d)\n", ret);
548 ret = -EIO;
549 } else
550 ret = 0;
551
552 if (!ret && b[0] == 1) {
553 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
554 DVB_CA_EN50221_POLL_CAM_READY;
555 }
556
557 mutex_unlock(&state->ca_mutex);
558 kfree(b);
559 return ret;
560 }
561
562
az6007_ci_uninit(struct dvb_usb_device * d)563 static void az6007_ci_uninit(struct dvb_usb_device *d)
564 {
565 struct az6007_device_state *state;
566
567 pr_debug("%s()\n", __func__);
568
569 if (NULL == d)
570 return;
571
572 state = d_to_priv(d);
573 if (NULL == state)
574 return;
575
576 if (NULL == state->ca.data)
577 return;
578
579 dvb_ca_en50221_release(&state->ca);
580
581 memset(&state->ca, 0, sizeof(state->ca));
582 }
583
584
az6007_ci_init(struct dvb_usb_adapter * adap)585 static int az6007_ci_init(struct dvb_usb_adapter *adap)
586 {
587 struct dvb_usb_device *d = adap_to_d(adap);
588 struct az6007_device_state *state = adap_to_priv(adap);
589 int ret;
590
591 pr_debug("%s()\n", __func__);
592
593 mutex_init(&state->ca_mutex);
594 state->ca.owner = THIS_MODULE;
595 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
596 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
597 state->ca.read_cam_control = az6007_ci_read_cam_control;
598 state->ca.write_cam_control = az6007_ci_write_cam_control;
599 state->ca.slot_reset = az6007_ci_slot_reset;
600 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
601 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
602 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
603 state->ca.data = d;
604
605 ret = dvb_ca_en50221_init(&adap->dvb_adap,
606 &state->ca,
607 0, /* flags */
608 1);/* n_slots */
609 if (ret != 0) {
610 pr_err("Cannot initialize CI: Error %d.\n", ret);
611 memset(&state->ca, 0, sizeof(state->ca));
612 return ret;
613 }
614
615 pr_debug("CI initialized.\n");
616
617 return 0;
618 }
619
az6007_read_mac_addr(struct dvb_usb_adapter * adap,u8 mac[6])620 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
621 {
622 struct dvb_usb_device *d = adap_to_d(adap);
623 struct az6007_device_state *st = adap_to_priv(adap);
624 int ret;
625
626 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
627 memcpy(mac, st->data, 6);
628
629 if (ret > 0)
630 pr_debug("%s: mac is %pM\n", __func__, mac);
631
632 return ret;
633 }
634
az6007_frontend_attach(struct dvb_usb_adapter * adap)635 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
636 {
637 struct az6007_device_state *st = adap_to_priv(adap);
638 struct dvb_usb_device *d = adap_to_d(adap);
639
640 pr_debug("attaching demod drxk\n");
641
642 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
643 &d->i2c_adap);
644 if (!adap->fe[0])
645 return -EINVAL;
646
647 adap->fe[0]->sec_priv = adap;
648 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
649 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
650
651 az6007_ci_init(adap);
652
653 return 0;
654 }
655
az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter * adap)656 static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap)
657 {
658 struct az6007_device_state *st = adap_to_priv(adap);
659 struct dvb_usb_device *d = adap_to_d(adap);
660
661 pr_debug("attaching demod drxk\n");
662
663 adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk,
664 &d->i2c_adap);
665 if (!adap->fe[0])
666 return -EINVAL;
667
668 adap->fe[0]->sec_priv = adap;
669 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
670 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
671
672 az6007_ci_init(adap);
673
674 return 0;
675 }
676
az6007_tuner_attach(struct dvb_usb_adapter * adap)677 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
678 {
679 struct dvb_usb_device *d = adap_to_d(adap);
680
681 pr_debug("attaching tuner mt2063\n");
682
683 /* Attach mt2063 to DVB-C frontend */
684 if (adap->fe[0]->ops.i2c_gate_ctrl)
685 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
686 if (!dvb_attach(mt2063_attach, adap->fe[0],
687 &az6007_mt2063_config,
688 &d->i2c_adap))
689 return -EINVAL;
690
691 if (adap->fe[0]->ops.i2c_gate_ctrl)
692 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
693
694 return 0;
695 }
696
az6007_power_ctrl(struct dvb_usb_device * d,int onoff)697 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
698 {
699 struct az6007_device_state *state = d_to_priv(d);
700 int ret;
701
702 pr_debug("%s()\n", __func__);
703
704 if (!state->warm) {
705 mutex_init(&state->mutex);
706
707 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
708 if (ret < 0)
709 return ret;
710 msleep(60);
711 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
712 if (ret < 0)
713 return ret;
714 msleep(100);
715 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
716 if (ret < 0)
717 return ret;
718 msleep(20);
719 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
720 if (ret < 0)
721 return ret;
722
723 msleep(400);
724 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
725 if (ret < 0)
726 return ret;
727 msleep(150);
728 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
729 if (ret < 0)
730 return ret;
731 msleep(430);
732 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
733 if (ret < 0)
734 return ret;
735
736 state->warm = true;
737
738 return 0;
739 }
740
741 if (!onoff)
742 return 0;
743
744 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
745 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
746
747 return 0;
748 }
749
750 /* I2C */
az6007_i2c_xfer(struct i2c_adapter * adap,struct i2c_msg msgs[],int num)751 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
752 int num)
753 {
754 struct dvb_usb_device *d = i2c_get_adapdata(adap);
755 struct az6007_device_state *st = d_to_priv(d);
756 int i, j, len;
757 int ret = 0;
758 u16 index;
759 u16 value;
760 int length;
761 u8 req, addr;
762
763 if (mutex_lock_interruptible(&st->mutex) < 0)
764 return -EAGAIN;
765
766 for (i = 0; i < num; i++) {
767 addr = msgs[i].addr << 1;
768 if (((i + 1) < num)
769 && (msgs[i].len == 1)
770 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
771 && (msgs[i + 1].flags & I2C_M_RD)
772 && (msgs[i].addr == msgs[i + 1].addr)) {
773 /*
774 * A write + read xfer for the same address, where
775 * the first xfer has just 1 byte length.
776 * Need to join both into one operation
777 */
778 if (az6007_xfer_debug)
779 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
780 addr, msgs[i].len, msgs[i + 1].len);
781 req = AZ6007_I2C_RD;
782 index = msgs[i].buf[0];
783 value = addr | (1 << 8);
784 length = 6 + msgs[i + 1].len;
785 len = msgs[i + 1].len;
786 ret = __az6007_read(d->udev, req, value, index,
787 st->data, length);
788 if (ret >= len) {
789 for (j = 0; j < len; j++)
790 msgs[i + 1].buf[j] = st->data[j + 5];
791 } else
792 ret = -EIO;
793 i++;
794 } else if (!(msgs[i].flags & I2C_M_RD)) {
795 /* write bytes */
796 if (az6007_xfer_debug)
797 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
798 addr, msgs[i].len);
799 if (msgs[i].len < 1) {
800 ret = -EIO;
801 goto err;
802 }
803 req = AZ6007_I2C_WR;
804 index = msgs[i].buf[0];
805 value = addr | (1 << 8);
806 length = msgs[i].len - 1;
807 len = msgs[i].len - 1;
808 for (j = 0; j < len; j++)
809 st->data[j] = msgs[i].buf[j + 1];
810 ret = __az6007_write(d->udev, req, value, index,
811 st->data, length);
812 } else {
813 /* read bytes */
814 if (az6007_xfer_debug)
815 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
816 addr, msgs[i].len);
817 if (msgs[i].len < 1) {
818 ret = -EIO;
819 goto err;
820 }
821 req = AZ6007_I2C_RD;
822 index = msgs[i].buf[0];
823 value = addr;
824 length = msgs[i].len + 6;
825 len = msgs[i].len;
826 ret = __az6007_read(d->udev, req, value, index,
827 st->data, length);
828 for (j = 0; j < len; j++)
829 msgs[i].buf[j] = st->data[j + 5];
830 }
831 if (ret < 0)
832 goto err;
833 }
834 err:
835 mutex_unlock(&st->mutex);
836
837 if (ret < 0) {
838 pr_info("%s ERROR: %i\n", __func__, ret);
839 return ret;
840 }
841 return num;
842 }
843
az6007_i2c_func(struct i2c_adapter * adapter)844 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
845 {
846 return I2C_FUNC_I2C;
847 }
848
849 static struct i2c_algorithm az6007_i2c_algo = {
850 .master_xfer = az6007_i2c_xfer,
851 .functionality = az6007_i2c_func,
852 };
853
az6007_identify_state(struct dvb_usb_device * d,const char ** name)854 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
855 {
856 int ret;
857 u8 *mac;
858
859 pr_debug("Identifying az6007 state\n");
860
861 mac = kmalloc(6, GFP_ATOMIC);
862 if (!mac)
863 return -ENOMEM;
864
865 /* Try to read the mac address */
866 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
867 if (ret == 6)
868 ret = WARM;
869 else
870 ret = COLD;
871
872 kfree(mac);
873
874 if (ret == COLD) {
875 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
876 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
877 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
878 }
879
880 pr_debug("Device is on %s state\n",
881 ret == WARM ? "warm" : "cold");
882 return ret;
883 }
884
az6007_usb_disconnect(struct usb_interface * intf)885 static void az6007_usb_disconnect(struct usb_interface *intf)
886 {
887 struct dvb_usb_device *d = usb_get_intfdata(intf);
888 az6007_ci_uninit(d);
889 dvb_usbv2_disconnect(intf);
890 }
891
az6007_download_firmware(struct dvb_usb_device * d,const struct firmware * fw)892 static int az6007_download_firmware(struct dvb_usb_device *d,
893 const struct firmware *fw)
894 {
895 pr_debug("Loading az6007 firmware\n");
896
897 return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
898 }
899
900 /* DVB USB Driver stuff */
901 static struct dvb_usb_device_properties az6007_props = {
902 .driver_name = KBUILD_MODNAME,
903 .owner = THIS_MODULE,
904 .firmware = AZ6007_FIRMWARE,
905
906 .adapter_nr = adapter_nr,
907 .size_of_priv = sizeof(struct az6007_device_state),
908 .i2c_algo = &az6007_i2c_algo,
909 .tuner_attach = az6007_tuner_attach,
910 .frontend_attach = az6007_frontend_attach,
911 .streaming_ctrl = az6007_streaming_ctrl,
912 .get_rc_config = az6007_get_rc_config,
913 .read_mac_address = az6007_read_mac_addr,
914 .download_firmware = az6007_download_firmware,
915 .identify_state = az6007_identify_state,
916 .power_ctrl = az6007_power_ctrl,
917 .num_adapters = 1,
918 .adapter = {
919 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
920 }
921 };
922
923 static struct dvb_usb_device_properties az6007_cablestar_hdci_props = {
924 .driver_name = KBUILD_MODNAME,
925 .owner = THIS_MODULE,
926 .firmware = AZ6007_FIRMWARE,
927
928 .adapter_nr = adapter_nr,
929 .size_of_priv = sizeof(struct az6007_device_state),
930 .i2c_algo = &az6007_i2c_algo,
931 .tuner_attach = az6007_tuner_attach,
932 .frontend_attach = az6007_cablestar_hdci_frontend_attach,
933 .streaming_ctrl = az6007_streaming_ctrl,
934 /* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */
935 .get_rc_config = NULL,
936 .read_mac_address = az6007_read_mac_addr,
937 .download_firmware = az6007_download_firmware,
938 .identify_state = az6007_identify_state,
939 .power_ctrl = az6007_power_ctrl,
940 .num_adapters = 1,
941 .adapter = {
942 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
943 }
944 };
945
946 static const struct usb_device_id az6007_usb_table[] = {
947 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
948 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
949 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
950 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
951 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
952 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
953 {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI,
954 &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)},
955 {0},
956 };
957
958 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
959
az6007_suspend(struct usb_interface * intf,pm_message_t msg)960 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
961 {
962 struct dvb_usb_device *d = usb_get_intfdata(intf);
963
964 az6007_ci_uninit(d);
965 return dvb_usbv2_suspend(intf, msg);
966 }
967
az6007_resume(struct usb_interface * intf)968 static int az6007_resume(struct usb_interface *intf)
969 {
970 struct dvb_usb_device *d = usb_get_intfdata(intf);
971 struct dvb_usb_adapter *adap = &d->adapter[0];
972
973 az6007_ci_init(adap);
974 return dvb_usbv2_resume(intf);
975 }
976
977 /* usb specific object needed to register this driver with the usb subsystem */
978 static struct usb_driver az6007_usb_driver = {
979 .name = KBUILD_MODNAME,
980 .id_table = az6007_usb_table,
981 .probe = dvb_usbv2_probe,
982 .disconnect = az6007_usb_disconnect,
983 .no_dynamic_id = 1,
984 .soft_unbind = 1,
985 /*
986 * FIXME: need to implement reset_resume, likely with
987 * dvb-usb-v2 core support
988 */
989 .suspend = az6007_suspend,
990 .resume = az6007_resume,
991 };
992
993 module_usb_driver(az6007_usb_driver);
994
995 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
996 MODULE_AUTHOR("Mauro Carvalho Chehab");
997 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
998 MODULE_VERSION("2.0");
999 MODULE_LICENSE("GPL");
1000 MODULE_FIRMWARE(AZ6007_FIRMWARE);
1001