?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / media / usb / dvb-usb-v2 / az6007.c
blob746926364535d4b64b6446b756b92cd3e8ed5195
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
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;
211 enum rc_proto proto;
212
213 az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
214
215 if (st->data[1] == 0x44)
216 return 0;
217
218 if ((st->data[3] ^ st->data[4]) == 0xff) {
219 if ((st->data[1] ^ st->data[2]) == 0xff) {
220 code = RC_SCANCODE_NEC(st->data[1], st->data[3]);
221 proto = RC_PROTO_NEC;
222 } else {
223 code = RC_SCANCODE_NECX(st->data[1] << 8 | st->data[2],
224 st->data[3]);
225 proto = RC_PROTO_NECX;
226 }
227 } else {
228 code = RC_SCANCODE_NEC32(st->data[1] << 24 |
229 st->data[2] << 16 |
230 st->data[3] << 8 |
231 st->data[4]);
232 proto = RC_PROTO_NEC32;
233 }
234
235 rc_keydown(d->rc_dev, proto, code, st->data[5]);
236
237 return 0;
238 }
239
240 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
241 {
242 pr_debug("Getting az6007 Remote Control properties\n");
243
244 rc->allowed_protos = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
245 RC_PROTO_BIT_NEC32;
246 rc->query = az6007_rc_query;
247 rc->interval = 400;
248
249 return 0;
250 }
251 #else
252 #define az6007_get_rc_config NULL
253 #endif
254
255 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
256 int slot,
257 int address)
258 {
259 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
260 struct az6007_device_state *state = d_to_priv(d);
261
262 int ret;
263 u8 req;
264 u16 value;
265 u16 index;
266 int blen;
267 u8 *b;
268
269 if (slot != 0)
270 return -EINVAL;
271
272 b = kmalloc(12, GFP_KERNEL);
273 if (!b)
274 return -ENOMEM;
275
276 mutex_lock(&state->ca_mutex);
277
278 req = 0xC1;
279 value = address;
280 index = 0;
281 blen = 1;
282
283 ret = az6007_read(d, req, value, index, b, blen);
284 if (ret < 0) {
285 pr_warn("usb in operation failed. (%d)\n", ret);
286 ret = -EINVAL;
287 } else {
288 ret = b[0];
289 }
290
291 mutex_unlock(&state->ca_mutex);
292 kfree(b);
293 return ret;
294 }
295
296 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
297 int slot,
298 int address,
299 u8 value)
300 {
301 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
302 struct az6007_device_state *state = d_to_priv(d);
303
304 int ret;
305 u8 req;
306 u16 value1;
307 u16 index;
308 int blen;
309
310 pr_debug("%s(), slot %d\n", __func__, slot);
311 if (slot != 0)
312 return -EINVAL;
313
314 mutex_lock(&state->ca_mutex);
315 req = 0xC2;
316 value1 = address;
317 index = value;
318 blen = 0;
319
320 ret = az6007_write(d, req, value1, index, NULL, blen);
321 if (ret != 0)
322 pr_warn("usb out operation failed. (%d)\n", ret);
323
324 mutex_unlock(&state->ca_mutex);
325 return ret;
326 }
327
328 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
329 int slot,
330 u8 address)
331 {
332 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
333 struct az6007_device_state *state = d_to_priv(d);
334
335 int ret;
336 u8 req;
337 u16 value;
338 u16 index;
339 int blen;
340 u8 *b;
341
342 if (slot != 0)
343 return -EINVAL;
344
345 b = kmalloc(12, GFP_KERNEL);
346 if (!b)
347 return -ENOMEM;
348
349 mutex_lock(&state->ca_mutex);
350
351 req = 0xC3;
352 value = address;
353 index = 0;
354 blen = 2;
355
356 ret = az6007_read(d, req, value, index, b, blen);
357 if (ret < 0) {
358 pr_warn("usb in operation failed. (%d)\n", ret);
359 ret = -EINVAL;
360 } else {
361 if (b[0] == 0)
362 pr_warn("Read CI IO error\n");
363
364 ret = b[1];
365 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
366 }
367
368 mutex_unlock(&state->ca_mutex);
369 kfree(b);
370 return ret;
371 }
372
373 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
374 int slot,
375 u8 address,
376 u8 value)
377 {
378 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
379 struct az6007_device_state *state = d_to_priv(d);
380
381 int ret;
382 u8 req;
383 u16 value1;
384 u16 index;
385 int blen;
386
387 if (slot != 0)
388 return -EINVAL;
389
390 mutex_lock(&state->ca_mutex);
391 req = 0xC4;
392 value1 = address;
393 index = value;
394 blen = 0;
395
396 ret = az6007_write(d, req, value1, index, NULL, blen);
397 if (ret != 0) {
398 pr_warn("usb out operation failed. (%d)\n", ret);
399 goto failed;
400 }
401
402 failed:
403 mutex_unlock(&state->ca_mutex);
404 return ret;
405 }
406
407 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
408 {
409 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
410
411 int ret;
412 u8 req;
413 u16 value;
414 u16 index;
415 int blen;
416 u8 *b;
417
418 b = kmalloc(12, GFP_KERNEL);
419 if (!b)
420 return -ENOMEM;
421
422 req = 0xC8;
423 value = 0;
424 index = 0;
425 blen = 1;
426
427 ret = az6007_read(d, req, value, index, b, blen);
428 if (ret < 0) {
429 pr_warn("usb in operation failed. (%d)\n", ret);
430 ret = -EIO;
431 } else{
432 ret = b[0];
433 }
434 kfree(b);
435 return ret;
436 }
437
438 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
439 {
440 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
441 struct az6007_device_state *state = d_to_priv(d);
442
443 int ret, i;
444 u8 req;
445 u16 value;
446 u16 index;
447 int blen;
448
449 mutex_lock(&state->ca_mutex);
450
451 req = 0xC6;
452 value = 1;
453 index = 0;
454 blen = 0;
455
456 ret = az6007_write(d, req, value, index, NULL, blen);
457 if (ret != 0) {
458 pr_warn("usb out operation failed. (%d)\n", ret);
459 goto failed;
460 }
461
462 msleep(500);
463 req = 0xC6;
464 value = 0;
465 index = 0;
466 blen = 0;
467
468 ret = az6007_write(d, req, value, index, NULL, blen);
469 if (ret != 0) {
470 pr_warn("usb out operation failed. (%d)\n", ret);
471 goto failed;
472 }
473
474 for (i = 0; i < 15; i++) {
475 msleep(100);
476
477 if (CI_CamReady(ca, slot)) {
478 pr_debug("CAM Ready\n");
479 break;
480 }
481 }
482 msleep(5000);
483
484 failed:
485 mutex_unlock(&state->ca_mutex);
486 return ret;
487 }
488
489 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
490 {
491 return 0;
492 }
493
494 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
495 {
496 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
497 struct az6007_device_state *state = d_to_priv(d);
498
499 int ret;
500 u8 req;
501 u16 value;
502 u16 index;
503 int blen;
504
505 pr_debug("%s()\n", __func__);
506 mutex_lock(&state->ca_mutex);
507 req = 0xC7;
508 value = 1;
509 index = 0;
510 blen = 0;
511
512 ret = az6007_write(d, req, value, index, NULL, blen);
513 if (ret != 0) {
514 pr_warn("usb out operation failed. (%d)\n", ret);
515 goto failed;
516 }
517
518 failed:
519 mutex_unlock(&state->ca_mutex);
520 return ret;
521 }
522
523 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
524 {
525 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
526 struct az6007_device_state *state = d_to_priv(d);
527 int ret;
528 u8 req;
529 u16 value;
530 u16 index;
531 int blen;
532 u8 *b;
533
534 b = kmalloc(12, GFP_KERNEL);
535 if (!b)
536 return -ENOMEM;
537 mutex_lock(&state->ca_mutex);
538
539 req = 0xC5;
540 value = 0;
541 index = 0;
542 blen = 1;
543
544 ret = az6007_read(d, req, value, index, b, blen);
545 if (ret < 0) {
546 pr_warn("usb in operation failed. (%d)\n", ret);
547 ret = -EIO;
548 } else
549 ret = 0;
550
551 if (!ret && b[0] == 1) {
552 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
553 DVB_CA_EN50221_POLL_CAM_READY;
554 }
555
556 mutex_unlock(&state->ca_mutex);
557 kfree(b);
558 return ret;
559 }
560
561
562 static void az6007_ci_uninit(struct dvb_usb_device *d)
563 {
564 struct az6007_device_state *state;
565
566 pr_debug("%s()\n", __func__);
567
568 if (NULL == d)
569 return;
570
571 state = d_to_priv(d);
572 if (NULL == state)
573 return;
574
575 if (NULL == state->ca.data)
576 return;
577
578 dvb_ca_en50221_release(&state->ca);
579
580 memset(&state->ca, 0, sizeof(state->ca));
581 }
582
583
584 static int az6007_ci_init(struct dvb_usb_adapter *adap)
585 {
586 struct dvb_usb_device *d = adap_to_d(adap);
587 struct az6007_device_state *state = adap_to_priv(adap);
588 int ret;
589
590 pr_debug("%s()\n", __func__);
591
592 mutex_init(&state->ca_mutex);
593 state->ca.owner = THIS_MODULE;
594 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
595 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
596 state->ca.read_cam_control = az6007_ci_read_cam_control;
597 state->ca.write_cam_control = az6007_ci_write_cam_control;
598 state->ca.slot_reset = az6007_ci_slot_reset;
599 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
600 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
601 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
602 state->ca.data = d;
603
604 ret = dvb_ca_en50221_init(&adap->dvb_adap,
605 &state->ca,
606 0, /* flags */
607 1);/* n_slots */
608 if (ret != 0) {
609 pr_err("Cannot initialize CI: Error %d.\n", ret);
610 memset(&state->ca, 0, sizeof(state->ca));
611 return ret;
612 }
613
614 pr_debug("CI initialized.\n");
615
616 return 0;
617 }
618
619 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
620 {
621 struct dvb_usb_device *d = adap_to_d(adap);
622 struct az6007_device_state *st = adap_to_priv(adap);
623 int ret;
624
625 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
626 memcpy(mac, st->data, 6);
627
628 if (ret > 0)
629 pr_debug("%s: mac is %pM\n", __func__, mac);
630
631 return ret;
632 }
633
634 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
635 {
636 struct az6007_device_state *st = adap_to_priv(adap);
637 struct dvb_usb_device *d = adap_to_d(adap);
638
639 pr_debug("attaching demod drxk\n");
640
641 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
642 &d->i2c_adap);
643 if (!adap->fe[0])
644 return -EINVAL;
645
646 adap->fe[0]->sec_priv = adap;
647 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
648 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
649
650 az6007_ci_init(adap);
651
652 return 0;
653 }
654
655 static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap)
656 {
657 struct az6007_device_state *st = adap_to_priv(adap);
658 struct dvb_usb_device *d = adap_to_d(adap);
659
660 pr_debug("attaching demod drxk\n");
661
662 adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk,
663 &d->i2c_adap);
664 if (!adap->fe[0])
665 return -EINVAL;
666
667 adap->fe[0]->sec_priv = adap;
668 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
669 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
670
671 az6007_ci_init(adap);
672
673 return 0;
674 }
675
676 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
677 {
678 struct dvb_usb_device *d = adap_to_d(adap);
679
680 pr_debug("attaching tuner mt2063\n");
681
682 /* Attach mt2063 to DVB-C frontend */
683 if (adap->fe[0]->ops.i2c_gate_ctrl)
684 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
685 if (!dvb_attach(mt2063_attach, adap->fe[0],
686 &az6007_mt2063_config,
687 &d->i2c_adap))
688 return -EINVAL;
689
690 if (adap->fe[0]->ops.i2c_gate_ctrl)
691 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
692
693 return 0;
694 }
695
696 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
697 {
698 struct az6007_device_state *state = d_to_priv(d);
699 int ret;
700
701 pr_debug("%s()\n", __func__);
702
703 if (!state->warm) {
704 mutex_init(&state->mutex);
705
706 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
707 if (ret < 0)
708 return ret;
709 msleep(60);
710 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
711 if (ret < 0)
712 return ret;
713 msleep(100);
714 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
715 if (ret < 0)
716 return ret;
717 msleep(20);
718 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
719 if (ret < 0)
720 return ret;
721
722 msleep(400);
723 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
724 if (ret < 0)
725 return ret;
726 msleep(150);
727 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
728 if (ret < 0)
729 return ret;
730 msleep(430);
731 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
732 if (ret < 0)
733 return ret;
734
735 state->warm = true;
736
737 return 0;
738 }
739
740 if (!onoff)
741 return 0;
742
743 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
744 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
745
746 return 0;
747 }
748
749 /* I2C */
750 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
751 int num)
752 {
753 struct dvb_usb_device *d = i2c_get_adapdata(adap);
754 struct az6007_device_state *st = d_to_priv(d);
755 int i, j, len;
756 int ret = 0;
757 u16 index;
758 u16 value;
759 int length;
760 u8 req, addr;
761
762 if (mutex_lock_interruptible(&st->mutex) < 0)
763 return -EAGAIN;
764
765 for (i = 0; i < num; i++) {
766 addr = msgs[i].addr << 1;
767 if (((i + 1) < num)
768 && (msgs[i].len == 1)
769 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
770 && (msgs[i + 1].flags & I2C_M_RD)
771 && (msgs[i].addr == msgs[i + 1].addr)) {
772 /*
773 * A write + read xfer for the same address, where
774 * the first xfer has just 1 byte length.
775 * Need to join both into one operation
776 */
777 if (az6007_xfer_debug)
778 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
779 addr, msgs[i].len, msgs[i + 1].len);
780 req = AZ6007_I2C_RD;
781 index = msgs[i].buf[0];
782 value = addr | (1 << 8);
783 length = 6 + msgs[i + 1].len;
784 len = msgs[i + 1].len;
785 ret = __az6007_read(d->udev, req, value, index,
786 st->data, length);
787 if (ret >= len) {
788 for (j = 0; j < len; j++)
789 msgs[i + 1].buf[j] = st->data[j + 5];
790 } else
791 ret = -EIO;
792 i++;
793 } else if (!(msgs[i].flags & I2C_M_RD)) {
794 /* write bytes */
795 if (az6007_xfer_debug)
796 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
797 addr, msgs[i].len);
798 req = AZ6007_I2C_WR;
799 index = msgs[i].buf[0];
800 value = addr | (1 << 8);
801 length = msgs[i].len - 1;
802 len = msgs[i].len - 1;
803 for (j = 0; j < len; j++)
804 st->data[j] = msgs[i].buf[j + 1];
805 ret = __az6007_write(d->udev, req, value, index,
806 st->data, length);
807 } else {
808 /* read bytes */
809 if (az6007_xfer_debug)
810 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
811 addr, msgs[i].len);
812 req = AZ6007_I2C_RD;
813 index = msgs[i].buf[0];
814 value = addr;
815 length = msgs[i].len + 6;
816 len = msgs[i].len;
817 ret = __az6007_read(d->udev, req, value, index,
818 st->data, length);
819 for (j = 0; j < len; j++)
820 msgs[i].buf[j] = st->data[j + 5];
821 }
822 if (ret < 0)
823 goto err;
824 }
825 err:
826 mutex_unlock(&st->mutex);
827
828 if (ret < 0) {
829 pr_info("%s ERROR: %i\n", __func__, ret);
830 return ret;
831 }
832 return num;
833 }
834
835 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
836 {
837 return I2C_FUNC_I2C;
838 }
839
840 static struct i2c_algorithm az6007_i2c_algo = {
841 .master_xfer = az6007_i2c_xfer,
842 .functionality = az6007_i2c_func,
843 };
844
845 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
846 {
847 int ret;
848 u8 *mac;
849
850 pr_debug("Identifying az6007 state\n");
851
852 mac = kmalloc(6, GFP_ATOMIC);
853 if (!mac)
854 return -ENOMEM;
855
856 /* Try to read the mac address */
857 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
858 if (ret == 6)
859 ret = WARM;
860 else
861 ret = COLD;
862
863 kfree(mac);
864
865 if (ret == COLD) {
866 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
867 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
868 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
869 }
870
871 pr_debug("Device is on %s state\n",
872 ret == WARM ? "warm" : "cold");
873 return ret;
874 }
875
876 static void az6007_usb_disconnect(struct usb_interface *intf)
877 {
878 struct dvb_usb_device *d = usb_get_intfdata(intf);
879 az6007_ci_uninit(d);
880 dvb_usbv2_disconnect(intf);
881 }
882
883 static int az6007_download_firmware(struct dvb_usb_device *d,
884 const struct firmware *fw)
885 {
886 pr_debug("Loading az6007 firmware\n");
887
888 return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
889 }
890
891 /* DVB USB Driver stuff */
892 static struct dvb_usb_device_properties az6007_props = {
893 .driver_name = KBUILD_MODNAME,
894 .owner = THIS_MODULE,
895 .firmware = AZ6007_FIRMWARE,
896
897 .adapter_nr = adapter_nr,
898 .size_of_priv = sizeof(struct az6007_device_state),
899 .i2c_algo = &az6007_i2c_algo,
900 .tuner_attach = az6007_tuner_attach,
901 .frontend_attach = az6007_frontend_attach,
902 .streaming_ctrl = az6007_streaming_ctrl,
903 .get_rc_config = az6007_get_rc_config,
904 .read_mac_address = az6007_read_mac_addr,
905 .download_firmware = az6007_download_firmware,
906 .identify_state = az6007_identify_state,
907 .power_ctrl = az6007_power_ctrl,
908 .num_adapters = 1,
909 .adapter = {
910 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
911 }
912 };
913
914 static struct dvb_usb_device_properties az6007_cablestar_hdci_props = {
915 .driver_name = KBUILD_MODNAME,
916 .owner = THIS_MODULE,
917 .firmware = AZ6007_FIRMWARE,
918
919 .adapter_nr = adapter_nr,
920 .size_of_priv = sizeof(struct az6007_device_state),
921 .i2c_algo = &az6007_i2c_algo,
922 .tuner_attach = az6007_tuner_attach,
923 .frontend_attach = az6007_cablestar_hdci_frontend_attach,
924 .streaming_ctrl = az6007_streaming_ctrl,
925 /* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */
926 .get_rc_config = NULL,
927 .read_mac_address = az6007_read_mac_addr,
928 .download_firmware = az6007_download_firmware,
929 .identify_state = az6007_identify_state,
930 .power_ctrl = az6007_power_ctrl,
931 .num_adapters = 1,
932 .adapter = {
933 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
934 }
935 };
936
937 static const struct usb_device_id az6007_usb_table[] = {
938 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
939 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
940 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
941 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
942 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
943 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
944 {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI,
945 &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)},
946 {0},
947 };
948
949 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
950
951 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
952 {
953 struct dvb_usb_device *d = usb_get_intfdata(intf);
954
955 az6007_ci_uninit(d);
956 return dvb_usbv2_suspend(intf, msg);
957 }
958
959 static int az6007_resume(struct usb_interface *intf)
960 {
961 struct dvb_usb_device *d = usb_get_intfdata(intf);
962 struct dvb_usb_adapter *adap = &d->adapter[0];
963
964 az6007_ci_init(adap);
965 return dvb_usbv2_resume(intf);
966 }
967
968 /* usb specific object needed to register this driver with the usb subsystem */
969 static struct usb_driver az6007_usb_driver = {
970 .name = KBUILD_MODNAME,
971 .id_table = az6007_usb_table,
972 .probe = dvb_usbv2_probe,
973 .disconnect = az6007_usb_disconnect,
974 .no_dynamic_id = 1,
975 .soft_unbind = 1,
976 /*
977 * FIXME: need to implement reset_resume, likely with
978 * dvb-usb-v2 core support
979 */
980 .suspend = az6007_suspend,
981 .resume = az6007_resume,
982 };
983
984 module_usb_driver(az6007_usb_driver);
985
986 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
987 MODULE_AUTHOR("Mauro Carvalho Chehab");
988 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
989 MODULE_VERSION("2.0");
990 MODULE_LICENSE("GPL");
991 MODULE_FIRMWARE(AZ6007_FIRMWARE);
CRIS linux kernel tree