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WIP FPC-III support
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / az6007.c
blob62ee09f28a0bc115b2eadd5ec0596d2216018cb6
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Driver for AzureWave 6007 DVB-C/T USB2.0 and clones
4 *
5 * Copyright (c) Henry Wang <Henry.wang@AzureWave.com>
6 *
7 * This driver was made publicly available by Terratec, at:
8 * http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
9 * The original driver's license is GPL, as declared with MODULE_LICENSE()
10 *
11 * Copyright (c) 2010-2012 Mauro Carvalho Chehab
12 * Driver modified by in order to work with upstream drxk driver, and
13 * tons of bugs got fixed, and converted to use dvb-usb-v2.
14 */
15
16 #include "drxk.h"
17 #include "mt2063.h"
18 #include <media/dvb_ca_en50221.h>
19 #include "dvb_usb.h"
20 #include "cypress_firmware.h"
21
22 #define AZ6007_FIRMWARE "dvb-usb-terratec-h7-az6007.fw"
23
24 static int az6007_xfer_debug;
25 module_param_named(xfer_debug, az6007_xfer_debug, int, 0644);
26 MODULE_PARM_DESC(xfer_debug, "Enable xfer debug");
27
28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
29
30 /* Known requests (Cypress FX2 firmware + az6007 "private" ones*/
31
32 #define FX2_OED 0xb5
33 #define AZ6007_READ_DATA 0xb7
34 #define AZ6007_I2C_RD 0xb9
35 #define AZ6007_POWER 0xbc
36 #define AZ6007_I2C_WR 0xbd
37 #define FX2_SCON1 0xc0
38 #define AZ6007_TS_THROUGH 0xc7
39 #define AZ6007_READ_IR 0xb4
40
41 struct az6007_device_state {
42 struct mutex mutex;
43 struct mutex ca_mutex;
44 struct dvb_ca_en50221 ca;
45 unsigned warm:1;
46 int (*gate_ctrl) (struct dvb_frontend *, int);
47 unsigned char data[4096];
48 };
49
50 static struct drxk_config terratec_h7_drxk = {
51 .adr = 0x29,
52 .parallel_ts = true,
53 .dynamic_clk = true,
54 .single_master = true,
55 .enable_merr_cfg = true,
56 .no_i2c_bridge = false,
57 .chunk_size = 64,
58 .mpeg_out_clk_strength = 0x02,
59 .qam_demod_parameter_count = 2,
60 .microcode_name = "dvb-usb-terratec-h7-drxk.fw",
61 };
62
63 static struct drxk_config cablestar_hdci_drxk = {
64 .adr = 0x29,
65 .parallel_ts = true,
66 .dynamic_clk = true,
67 .single_master = true,
68 .enable_merr_cfg = true,
69 .no_i2c_bridge = false,
70 .chunk_size = 64,
71 .mpeg_out_clk_strength = 0x02,
72 .qam_demod_parameter_count = 2,
73 .microcode_name = "dvb-usb-technisat-cablestar-hdci-drxk.fw",
74 };
75
76 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
77 {
78 struct az6007_device_state *st = fe_to_priv(fe);
79 struct dvb_usb_adapter *adap = fe->sec_priv;
80 int status = 0;
81
82 pr_debug("%s: %s\n", __func__, enable ? "enable" : "disable");
83
84 if (!adap || !st)
85 return -EINVAL;
86
87 if (enable)
88 status = st->gate_ctrl(fe, 1);
89 else
90 status = st->gate_ctrl(fe, 0);
91
92 return status;
93 }
94
95 static struct mt2063_config az6007_mt2063_config = {
96 .tuner_address = 0x60,
97 .refclock = 36125000,
98 };
99
100 static int __az6007_read(struct usb_device *udev, u8 req, u16 value,
101 u16 index, u8 *b, int blen)
102 {
103 int ret;
104
105 ret = usb_control_msg(udev,
106 usb_rcvctrlpipe(udev, 0),
107 req,
108 USB_TYPE_VENDOR | USB_DIR_IN,
109 value, index, b, blen, 5000);
110 if (ret < 0) {
111 pr_warn("usb read operation failed. (%d)\n", ret);
112 return -EIO;
113 }
114
115 if (az6007_xfer_debug) {
116 printk(KERN_DEBUG "az6007: IN req: %02x, value: %04x, index: %04x\n",
117 req, value, index);
118 print_hex_dump_bytes("az6007: payload: ",
119 DUMP_PREFIX_NONE, b, blen);
120 }
121
122 return ret;
123 }
124
125 static int az6007_read(struct dvb_usb_device *d, u8 req, u16 value,
126 u16 index, u8 *b, int blen)
127 {
128 struct az6007_device_state *st = d->priv;
129 int ret;
130
131 if (mutex_lock_interruptible(&st->mutex) < 0)
132 return -EAGAIN;
133
134 ret = __az6007_read(d->udev, req, value, index, b, blen);
135
136 mutex_unlock(&st->mutex);
137
138 return ret;
139 }
140
141 static int __az6007_write(struct usb_device *udev, u8 req, u16 value,
142 u16 index, u8 *b, int blen)
143 {
144 int ret;
145
146 if (az6007_xfer_debug) {
147 printk(KERN_DEBUG "az6007: OUT req: %02x, value: %04x, index: %04x\n",
148 req, value, index);
149 print_hex_dump_bytes("az6007: payload: ",
150 DUMP_PREFIX_NONE, b, blen);
151 }
152
153 if (blen > 64) {
154 pr_err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
155 blen);
156 return -EOPNOTSUPP;
157 }
158
159 ret = usb_control_msg(udev,
160 usb_sndctrlpipe(udev, 0),
161 req,
162 USB_TYPE_VENDOR | USB_DIR_OUT,
163 value, index, b, blen, 5000);
164 if (ret != blen) {
165 pr_err("usb write operation failed. (%d)\n", ret);
166 return -EIO;
167 }
168
169 return 0;
170 }
171
172 static int az6007_write(struct dvb_usb_device *d, u8 req, u16 value,
173 u16 index, u8 *b, int blen)
174 {
175 struct az6007_device_state *st = d->priv;
176 int ret;
177
178 if (mutex_lock_interruptible(&st->mutex) < 0)
179 return -EAGAIN;
180
181 ret = __az6007_write(d->udev, req, value, index, b, blen);
182
183 mutex_unlock(&st->mutex);
184
185 return ret;
186 }
187
188 static int az6007_streaming_ctrl(struct dvb_frontend *fe, int onoff)
189 {
190 struct dvb_usb_device *d = fe_to_d(fe);
191
192 pr_debug("%s: %s\n", __func__, onoff ? "enable" : "disable");
193
194 return az6007_write(d, 0xbc, onoff, 0, NULL, 0);
195 }
196
197 #if IS_ENABLED(CONFIG_RC_CORE)
198 /* remote control stuff (does not work with my box) */
199 static int az6007_rc_query(struct dvb_usb_device *d)
200 {
201 struct az6007_device_state *st = d_to_priv(d);
202 unsigned code;
203 enum rc_proto proto;
204
205 az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
206
207 if (st->data[1] == 0x44)
208 return 0;
209
210 if ((st->data[3] ^ st->data[4]) == 0xff) {
211 if ((st->data[1] ^ st->data[2]) == 0xff) {
212 code = RC_SCANCODE_NEC(st->data[1], st->data[3]);
213 proto = RC_PROTO_NEC;
214 } else {
215 code = RC_SCANCODE_NECX(st->data[1] << 8 | st->data[2],
216 st->data[3]);
217 proto = RC_PROTO_NECX;
218 }
219 } else {
220 code = RC_SCANCODE_NEC32(st->data[1] << 24 |
221 st->data[2] << 16 |
222 st->data[3] << 8 |
223 st->data[4]);
224 proto = RC_PROTO_NEC32;
225 }
226
227 rc_keydown(d->rc_dev, proto, 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_PROTO_BIT_NEC | RC_PROTO_BIT_NECX |
237 RC_PROTO_BIT_NEC32;
238 rc->query = az6007_rc_query;
239 rc->interval = 400;
240
241 return 0;
242 }
243 #else
244 #define az6007_get_rc_config NULL
245 #endif
246
247 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
248 int slot,
249 int address)
250 {
251 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
252 struct az6007_device_state *state = d_to_priv(d);
253
254 int ret;
255 u8 req;
256 u16 value;
257 u16 index;
258 int blen;
259 u8 *b;
260
261 if (slot != 0)
262 return -EINVAL;
263
264 b = kmalloc(12, GFP_KERNEL);
265 if (!b)
266 return -ENOMEM;
267
268 mutex_lock(&state->ca_mutex);
269
270 req = 0xC1;
271 value = address;
272 index = 0;
273 blen = 1;
274
275 ret = az6007_read(d, req, value, index, b, blen);
276 if (ret < 0) {
277 pr_warn("usb in operation failed. (%d)\n", ret);
278 ret = -EINVAL;
279 } else {
280 ret = b[0];
281 }
282
283 mutex_unlock(&state->ca_mutex);
284 kfree(b);
285 return ret;
286 }
287
288 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
289 int slot,
290 int address,
291 u8 value)
292 {
293 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
294 struct az6007_device_state *state = d_to_priv(d);
295
296 int ret;
297 u8 req;
298 u16 value1;
299 u16 index;
300 int blen;
301
302 pr_debug("%s(), slot %d\n", __func__, slot);
303 if (slot != 0)
304 return -EINVAL;
305
306 mutex_lock(&state->ca_mutex);
307 req = 0xC2;
308 value1 = address;
309 index = value;
310 blen = 0;
311
312 ret = az6007_write(d, req, value1, index, NULL, blen);
313 if (ret != 0)
314 pr_warn("usb out operation failed. (%d)\n", ret);
315
316 mutex_unlock(&state->ca_mutex);
317 return ret;
318 }
319
320 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
321 int slot,
322 u8 address)
323 {
324 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
325 struct az6007_device_state *state = d_to_priv(d);
326
327 int ret;
328 u8 req;
329 u16 value;
330 u16 index;
331 int blen;
332 u8 *b;
333
334 if (slot != 0)
335 return -EINVAL;
336
337 b = kmalloc(12, GFP_KERNEL);
338 if (!b)
339 return -ENOMEM;
340
341 mutex_lock(&state->ca_mutex);
342
343 req = 0xC3;
344 value = address;
345 index = 0;
346 blen = 2;
347
348 ret = az6007_read(d, req, value, index, b, blen);
349 if (ret < 0) {
350 pr_warn("usb in operation failed. (%d)\n", ret);
351 ret = -EINVAL;
352 } else {
353 if (b[0] == 0)
354 pr_warn("Read CI IO error\n");
355
356 ret = b[1];
357 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
358 }
359
360 mutex_unlock(&state->ca_mutex);
361 kfree(b);
362 return ret;
363 }
364
365 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
366 int slot,
367 u8 address,
368 u8 value)
369 {
370 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
371 struct az6007_device_state *state = d_to_priv(d);
372
373 int ret;
374 u8 req;
375 u16 value1;
376 u16 index;
377 int blen;
378
379 if (slot != 0)
380 return -EINVAL;
381
382 mutex_lock(&state->ca_mutex);
383 req = 0xC4;
384 value1 = address;
385 index = value;
386 blen = 0;
387
388 ret = az6007_write(d, req, value1, index, NULL, blen);
389 if (ret != 0) {
390 pr_warn("usb out operation failed. (%d)\n", ret);
391 goto failed;
392 }
393
394 failed:
395 mutex_unlock(&state->ca_mutex);
396 return ret;
397 }
398
399 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
400 {
401 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
402
403 int ret;
404 u8 req;
405 u16 value;
406 u16 index;
407 int blen;
408 u8 *b;
409
410 b = kmalloc(12, GFP_KERNEL);
411 if (!b)
412 return -ENOMEM;
413
414 req = 0xC8;
415 value = 0;
416 index = 0;
417 blen = 1;
418
419 ret = az6007_read(d, req, value, index, b, blen);
420 if (ret < 0) {
421 pr_warn("usb in operation failed. (%d)\n", ret);
422 ret = -EIO;
423 } else{
424 ret = b[0];
425 }
426 kfree(b);
427 return ret;
428 }
429
430 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
431 {
432 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
433 struct az6007_device_state *state = d_to_priv(d);
434
435 int ret, i;
436 u8 req;
437 u16 value;
438 u16 index;
439 int blen;
440
441 mutex_lock(&state->ca_mutex);
442
443 req = 0xC6;
444 value = 1;
445 index = 0;
446 blen = 0;
447
448 ret = az6007_write(d, req, value, index, NULL, blen);
449 if (ret != 0) {
450 pr_warn("usb out operation failed. (%d)\n", ret);
451 goto failed;
452 }
453
454 msleep(500);
455 req = 0xC6;
456 value = 0;
457 index = 0;
458 blen = 0;
459
460 ret = az6007_write(d, req, value, index, NULL, blen);
461 if (ret != 0) {
462 pr_warn("usb out operation failed. (%d)\n", ret);
463 goto failed;
464 }
465
466 for (i = 0; i < 15; i++) {
467 msleep(100);
468
469 if (CI_CamReady(ca, slot)) {
470 pr_debug("CAM Ready\n");
471 break;
472 }
473 }
474 msleep(5000);
475
476 failed:
477 mutex_unlock(&state->ca_mutex);
478 return ret;
479 }
480
481 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
482 {
483 return 0;
484 }
485
486 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
487 {
488 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
489 struct az6007_device_state *state = d_to_priv(d);
490
491 int ret;
492 u8 req;
493 u16 value;
494 u16 index;
495 int blen;
496
497 pr_debug("%s()\n", __func__);
498 mutex_lock(&state->ca_mutex);
499 req = 0xC7;
500 value = 1;
501 index = 0;
502 blen = 0;
503
504 ret = az6007_write(d, req, value, index, NULL, blen);
505 if (ret != 0) {
506 pr_warn("usb out operation failed. (%d)\n", ret);
507 goto failed;
508 }
509
510 failed:
511 mutex_unlock(&state->ca_mutex);
512 return ret;
513 }
514
515 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
516 {
517 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
518 struct az6007_device_state *state = d_to_priv(d);
519 int ret;
520 u8 req;
521 u16 value;
522 u16 index;
523 int blen;
524 u8 *b;
525
526 b = kmalloc(12, GFP_KERNEL);
527 if (!b)
528 return -ENOMEM;
529 mutex_lock(&state->ca_mutex);
530
531 req = 0xC5;
532 value = 0;
533 index = 0;
534 blen = 1;
535
536 ret = az6007_read(d, req, value, index, b, blen);
537 if (ret < 0) {
538 pr_warn("usb in operation failed. (%d)\n", ret);
539 ret = -EIO;
540 } else
541 ret = 0;
542
543 if (!ret && b[0] == 1) {
544 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
545 DVB_CA_EN50221_POLL_CAM_READY;
546 }
547
548 mutex_unlock(&state->ca_mutex);
549 kfree(b);
550 return ret;
551 }
552
553
554 static void az6007_ci_uninit(struct dvb_usb_device *d)
555 {
556 struct az6007_device_state *state;
557
558 pr_debug("%s()\n", __func__);
559
560 if (NULL == d)
561 return;
562
563 state = d_to_priv(d);
564 if (NULL == state)
565 return;
566
567 if (NULL == state->ca.data)
568 return;
569
570 dvb_ca_en50221_release(&state->ca);
571
572 memset(&state->ca, 0, sizeof(state->ca));
573 }
574
575
576 static int az6007_ci_init(struct dvb_usb_adapter *adap)
577 {
578 struct dvb_usb_device *d = adap_to_d(adap);
579 struct az6007_device_state *state = adap_to_priv(adap);
580 int ret;
581
582 pr_debug("%s()\n", __func__);
583
584 mutex_init(&state->ca_mutex);
585 state->ca.owner = THIS_MODULE;
586 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
587 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
588 state->ca.read_cam_control = az6007_ci_read_cam_control;
589 state->ca.write_cam_control = az6007_ci_write_cam_control;
590 state->ca.slot_reset = az6007_ci_slot_reset;
591 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
592 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
593 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
594 state->ca.data = d;
595
596 ret = dvb_ca_en50221_init(&adap->dvb_adap,
597 &state->ca,
598 0, /* flags */
599 1);/* n_slots */
600 if (ret != 0) {
601 pr_err("Cannot initialize CI: Error %d.\n", ret);
602 memset(&state->ca, 0, sizeof(state->ca));
603 return ret;
604 }
605
606 pr_debug("CI initialized.\n");
607
608 return 0;
609 }
610
611 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
612 {
613 struct dvb_usb_device *d = adap_to_d(adap);
614 struct az6007_device_state *st = adap_to_priv(adap);
615 int ret;
616
617 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
618 memcpy(mac, st->data, 6);
619
620 if (ret > 0)
621 pr_debug("%s: mac is %pM\n", __func__, mac);
622
623 return ret;
624 }
625
626 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
627 {
628 struct az6007_device_state *st = adap_to_priv(adap);
629 struct dvb_usb_device *d = adap_to_d(adap);
630
631 pr_debug("attaching demod drxk\n");
632
633 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
634 &d->i2c_adap);
635 if (!adap->fe[0])
636 return -EINVAL;
637
638 adap->fe[0]->sec_priv = adap;
639 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
640 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
641
642 az6007_ci_init(adap);
643
644 return 0;
645 }
646
647 static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap)
648 {
649 struct az6007_device_state *st = adap_to_priv(adap);
650 struct dvb_usb_device *d = adap_to_d(adap);
651
652 pr_debug("attaching demod drxk\n");
653
654 adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk,
655 &d->i2c_adap);
656 if (!adap->fe[0])
657 return -EINVAL;
658
659 adap->fe[0]->sec_priv = adap;
660 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
661 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
662
663 az6007_ci_init(adap);
664
665 return 0;
666 }
667
668 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
669 {
670 struct dvb_usb_device *d = adap_to_d(adap);
671
672 pr_debug("attaching tuner mt2063\n");
673
674 /* Attach mt2063 to DVB-C frontend */
675 if (adap->fe[0]->ops.i2c_gate_ctrl)
676 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
677 if (!dvb_attach(mt2063_attach, adap->fe[0],
678 &az6007_mt2063_config,
679 &d->i2c_adap))
680 return -EINVAL;
681
682 if (adap->fe[0]->ops.i2c_gate_ctrl)
683 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
684
685 return 0;
686 }
687
688 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
689 {
690 struct az6007_device_state *state = d_to_priv(d);
691 int ret;
692
693 pr_debug("%s()\n", __func__);
694
695 if (!state->warm) {
696 mutex_init(&state->mutex);
697
698 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
699 if (ret < 0)
700 return ret;
701 msleep(60);
702 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
703 if (ret < 0)
704 return ret;
705 msleep(100);
706 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
707 if (ret < 0)
708 return ret;
709 msleep(20);
710 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
711 if (ret < 0)
712 return ret;
713
714 msleep(400);
715 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
716 if (ret < 0)
717 return ret;
718 msleep(150);
719 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
720 if (ret < 0)
721 return ret;
722 msleep(430);
723 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
724 if (ret < 0)
725 return ret;
726
727 state->warm = true;
728
729 return 0;
730 }
731
732 if (!onoff)
733 return 0;
734
735 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
736 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
737
738 return 0;
739 }
740
741 /* I2C */
742 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
743 int num)
744 {
745 struct dvb_usb_device *d = i2c_get_adapdata(adap);
746 struct az6007_device_state *st = d_to_priv(d);
747 int i, j, len;
748 int ret = 0;
749 u16 index;
750 u16 value;
751 int length;
752 u8 req, addr;
753
754 if (mutex_lock_interruptible(&st->mutex) < 0)
755 return -EAGAIN;
756
757 for (i = 0; i < num; i++) {
758 addr = msgs[i].addr << 1;
759 if (((i + 1) < num)
760 && (msgs[i].len == 1)
761 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
762 && (msgs[i + 1].flags & I2C_M_RD)
763 && (msgs[i].addr == msgs[i + 1].addr)) {
764 /*
765 * A write + read xfer for the same address, where
766 * the first xfer has just 1 byte length.
767 * Need to join both into one operation
768 */
769 if (az6007_xfer_debug)
770 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
771 addr, msgs[i].len, msgs[i + 1].len);
772 req = AZ6007_I2C_RD;
773 index = msgs[i].buf[0];
774 value = addr | (1 << 8);
775 length = 6 + msgs[i + 1].len;
776 len = msgs[i + 1].len;
777 ret = __az6007_read(d->udev, req, value, index,
778 st->data, length);
779 if (ret >= len) {
780 for (j = 0; j < len; j++)
781 msgs[i + 1].buf[j] = st->data[j + 5];
782 } else
783 ret = -EIO;
784 i++;
785 } else if (!(msgs[i].flags & I2C_M_RD)) {
786 /* write bytes */
787 if (az6007_xfer_debug)
788 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
789 addr, msgs[i].len);
790 req = AZ6007_I2C_WR;
791 index = msgs[i].buf[0];
792 value = addr | (1 << 8);
793 length = msgs[i].len - 1;
794 len = msgs[i].len - 1;
795 for (j = 0; j < len; j++)
796 st->data[j] = msgs[i].buf[j + 1];
797 ret = __az6007_write(d->udev, req, value, index,
798 st->data, length);
799 } else {
800 /* read bytes */
801 if (az6007_xfer_debug)
802 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
803 addr, msgs[i].len);
804 req = AZ6007_I2C_RD;
805 index = msgs[i].buf[0];
806 value = addr;
807 length = msgs[i].len + 6;
808 len = msgs[i].len;
809 ret = __az6007_read(d->udev, req, value, index,
810 st->data, length);
811 for (j = 0; j < len; j++)
812 msgs[i].buf[j] = st->data[j + 5];
813 }
814 if (ret < 0)
815 goto err;
816 }
817 err:
818 mutex_unlock(&st->mutex);
819
820 if (ret < 0) {
821 pr_info("%s ERROR: %i\n", __func__, ret);
822 return ret;
823 }
824 return num;
825 }
826
827 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
828 {
829 return I2C_FUNC_I2C;
830 }
831
832 static struct i2c_algorithm az6007_i2c_algo = {
833 .master_xfer = az6007_i2c_xfer,
834 .functionality = az6007_i2c_func,
835 };
836
837 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
838 {
839 int ret;
840 u8 *mac;
841
842 pr_debug("Identifying az6007 state\n");
843
844 mac = kmalloc(6, GFP_ATOMIC);
845 if (!mac)
846 return -ENOMEM;
847
848 /* Try to read the mac address */
849 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
850 if (ret == 6)
851 ret = WARM;
852 else
853 ret = COLD;
854
855 kfree(mac);
856
857 if (ret == COLD) {
858 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
859 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
860 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
861 }
862
863 pr_debug("Device is on %s state\n",
864 ret == WARM ? "warm" : "cold");
865 return ret;
866 }
867
868 static void az6007_usb_disconnect(struct usb_interface *intf)
869 {
870 struct dvb_usb_device *d = usb_get_intfdata(intf);
871 az6007_ci_uninit(d);
872 dvb_usbv2_disconnect(intf);
873 }
874
875 static int az6007_download_firmware(struct dvb_usb_device *d,
876 const struct firmware *fw)
877 {
878 pr_debug("Loading az6007 firmware\n");
879
880 return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
881 }
882
883 /* DVB USB Driver stuff */
884 static struct dvb_usb_device_properties az6007_props = {
885 .driver_name = KBUILD_MODNAME,
886 .owner = THIS_MODULE,
887 .firmware = AZ6007_FIRMWARE,
888
889 .adapter_nr = adapter_nr,
890 .size_of_priv = sizeof(struct az6007_device_state),
891 .i2c_algo = &az6007_i2c_algo,
892 .tuner_attach = az6007_tuner_attach,
893 .frontend_attach = az6007_frontend_attach,
894 .streaming_ctrl = az6007_streaming_ctrl,
895 .get_rc_config = az6007_get_rc_config,
896 .read_mac_address = az6007_read_mac_addr,
897 .download_firmware = az6007_download_firmware,
898 .identify_state = az6007_identify_state,
899 .power_ctrl = az6007_power_ctrl,
900 .num_adapters = 1,
901 .adapter = {
902 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
903 }
904 };
905
906 static struct dvb_usb_device_properties az6007_cablestar_hdci_props = {
907 .driver_name = KBUILD_MODNAME,
908 .owner = THIS_MODULE,
909 .firmware = AZ6007_FIRMWARE,
910
911 .adapter_nr = adapter_nr,
912 .size_of_priv = sizeof(struct az6007_device_state),
913 .i2c_algo = &az6007_i2c_algo,
914 .tuner_attach = az6007_tuner_attach,
915 .frontend_attach = az6007_cablestar_hdci_frontend_attach,
916 .streaming_ctrl = az6007_streaming_ctrl,
917 /* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */
918 .get_rc_config = NULL,
919 .read_mac_address = az6007_read_mac_addr,
920 .download_firmware = az6007_download_firmware,
921 .identify_state = az6007_identify_state,
922 .power_ctrl = az6007_power_ctrl,
923 .num_adapters = 1,
924 .adapter = {
925 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
926 }
927 };
928
929 static const struct usb_device_id az6007_usb_table[] = {
930 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
931 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
932 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
933 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
934 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
935 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
936 {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI,
937 &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)},
938 {0},
939 };
940
941 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
942
943 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
944 {
945 struct dvb_usb_device *d = usb_get_intfdata(intf);
946
947 az6007_ci_uninit(d);
948 return dvb_usbv2_suspend(intf, msg);
949 }
950
951 static int az6007_resume(struct usb_interface *intf)
952 {
953 struct dvb_usb_device *d = usb_get_intfdata(intf);
954 struct dvb_usb_adapter *adap = &d->adapter[0];
955
956 az6007_ci_init(adap);
957 return dvb_usbv2_resume(intf);
958 }
959
960 /* usb specific object needed to register this driver with the usb subsystem */
961 static struct usb_driver az6007_usb_driver = {
962 .name = KBUILD_MODNAME,
963 .id_table = az6007_usb_table,
964 .probe = dvb_usbv2_probe,
965 .disconnect = az6007_usb_disconnect,
966 .no_dynamic_id = 1,
967 .soft_unbind = 1,
968 /*
969 * FIXME: need to implement reset_resume, likely with
970 * dvb-usb-v2 core support
971 */
972 .suspend = az6007_suspend,
973 .resume = az6007_resume,
974 };
975
976 module_usb_driver(az6007_usb_driver);
977
978 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
979 MODULE_AUTHOR("Mauro Carvalho Chehab");
980 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
981 MODULE_VERSION("2.0");
982 MODULE_LICENSE("GPL");
983 MODULE_FIRMWARE(AZ6007_FIRMWARE);
Linux with added FPC-III support