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[deliverable/linux.git] / drivers / media / usb / dvb-usb-v2 / az6007.c
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 <mchehab@redhat.com>
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 int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
72 {
73 struct az6007_device_state *st = fe_to_priv(fe);
74 struct dvb_usb_adapter *adap = fe->sec_priv;
75 int status = 0;
76
77 pr_debug("%s: %s\n", __func__, enable ? "enable" : "disable");
78
79 if (!adap || !st)
80 return -EINVAL;
81
82 if (enable)
83 status = st->gate_ctrl(fe, 1);
84 else
85 status = st->gate_ctrl(fe, 0);
86
87 return status;
88 }
89
90 static struct mt2063_config az6007_mt2063_config = {
91 .tuner_address = 0x60,
92 .refclock = 36125000,
93 };
94
95 static int __az6007_read(struct usb_device *udev, u8 req, u16 value,
96 u16 index, u8 *b, int blen)
97 {
98 int ret;
99
100 ret = usb_control_msg(udev,
101 usb_rcvctrlpipe(udev, 0),
102 req,
103 USB_TYPE_VENDOR | USB_DIR_IN,
104 value, index, b, blen, 5000);
105 if (ret < 0) {
106 pr_warn("usb read operation failed. (%d)\n", ret);
107 return -EIO;
108 }
109
110 if (az6007_xfer_debug) {
111 printk(KERN_DEBUG "az6007: IN req: %02x, value: %04x, index: %04x\n",
112 req, value, index);
113 print_hex_dump_bytes("az6007: payload: ",
114 DUMP_PREFIX_NONE, b, blen);
115 }
116
117 return ret;
118 }
119
120 static int az6007_read(struct dvb_usb_device *d, u8 req, u16 value,
121 u16 index, u8 *b, int blen)
122 {
123 struct az6007_device_state *st = d->priv;
124 int ret;
125
126 if (mutex_lock_interruptible(&st->mutex) < 0)
127 return -EAGAIN;
128
129 ret = __az6007_read(d->udev, req, value, index, b, blen);
130
131 mutex_unlock(&st->mutex);
132
133 return ret;
134 }
135
136 static int __az6007_write(struct usb_device *udev, u8 req, u16 value,
137 u16 index, u8 *b, int blen)
138 {
139 int ret;
140
141 if (az6007_xfer_debug) {
142 printk(KERN_DEBUG "az6007: OUT req: %02x, value: %04x, index: %04x\n",
143 req, value, index);
144 print_hex_dump_bytes("az6007: payload: ",
145 DUMP_PREFIX_NONE, b, blen);
146 }
147
148 if (blen > 64) {
149 pr_err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
150 blen);
151 return -EOPNOTSUPP;
152 }
153
154 ret = usb_control_msg(udev,
155 usb_sndctrlpipe(udev, 0),
156 req,
157 USB_TYPE_VENDOR | USB_DIR_OUT,
158 value, index, b, blen, 5000);
159 if (ret != blen) {
160 pr_err("usb write operation failed. (%d)\n", ret);
161 return -EIO;
162 }
163
164 return 0;
165 }
166
167 static int az6007_write(struct dvb_usb_device *d, u8 req, u16 value,
168 u16 index, u8 *b, int blen)
169 {
170 struct az6007_device_state *st = d->priv;
171 int ret;
172
173 if (mutex_lock_interruptible(&st->mutex) < 0)
174 return -EAGAIN;
175
176 ret = __az6007_write(d->udev, req, value, index, b, blen);
177
178 mutex_unlock(&st->mutex);
179
180 return ret;
181 }
182
183 static int az6007_streaming_ctrl(struct dvb_frontend *fe, int onoff)
184 {
185 struct dvb_usb_device *d = fe_to_d(fe);
186
187 pr_debug("%s: %s\n", __func__, onoff ? "enable" : "disable");
188
189 return az6007_write(d, 0xbc, onoff, 0, NULL, 0);
190 }
191
192 /* remote control stuff (does not work with my box) */
193 static int az6007_rc_query(struct dvb_usb_device *d)
194 {
195 struct az6007_device_state *st = d_to_priv(d);
196 unsigned code = 0;
197
198 az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
199
200 if (st->data[1] == 0x44)
201 return 0;
202
203 if ((st->data[1] ^ st->data[2]) == 0xff)
204 code = st->data[1];
205 else
206 code = st->data[1] << 8 | st->data[2];
207
208 if ((st->data[3] ^ st->data[4]) == 0xff)
209 code = code << 8 | st->data[3];
210 else
211 code = code << 16 | st->data[3] << 8 | st->data[4];
212
213 rc_keydown(d->rc_dev, code, st->data[5]);
214
215 return 0;
216 }
217
218 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
219 int slot,
220 int address)
221 {
222 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
223 struct az6007_device_state *state = d_to_priv(d);
224
225 int ret;
226 u8 req;
227 u16 value;
228 u16 index;
229 int blen;
230 u8 *b;
231
232 if (slot != 0)
233 return -EINVAL;
234
235 b = kmalloc(12, GFP_KERNEL);
236 if (!b)
237 return -ENOMEM;
238
239 mutex_lock(&state->ca_mutex);
240
241 req = 0xC1;
242 value = address;
243 index = 0;
244 blen = 1;
245
246 ret = az6007_read(d, req, value, index, b, blen);
247 if (ret < 0) {
248 pr_warn("usb in operation failed. (%d)\n", ret);
249 ret = -EINVAL;
250 } else {
251 ret = b[0];
252 }
253
254 mutex_unlock(&state->ca_mutex);
255 kfree(b);
256 return ret;
257 }
258
259 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
260 int slot,
261 int address,
262 u8 value)
263 {
264 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
265 struct az6007_device_state *state = d_to_priv(d);
266
267 int ret;
268 u8 req;
269 u16 value1;
270 u16 index;
271 int blen;
272
273 pr_debug("%s(), slot %d\n", __func__, slot);
274 if (slot != 0)
275 return -EINVAL;
276
277 mutex_lock(&state->ca_mutex);
278 req = 0xC2;
279 value1 = address;
280 index = value;
281 blen = 0;
282
283 ret = az6007_write(d, req, value1, index, NULL, blen);
284 if (ret != 0)
285 pr_warn("usb out operation failed. (%d)\n", ret);
286
287 mutex_unlock(&state->ca_mutex);
288 return ret;
289 }
290
291 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
292 int slot,
293 u8 address)
294 {
295 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
296 struct az6007_device_state *state = d_to_priv(d);
297
298 int ret;
299 u8 req;
300 u16 value;
301 u16 index;
302 int blen;
303 u8 *b;
304
305 if (slot != 0)
306 return -EINVAL;
307
308 b = kmalloc(12, GFP_KERNEL);
309 if (!b)
310 return -ENOMEM;
311
312 mutex_lock(&state->ca_mutex);
313
314 req = 0xC3;
315 value = address;
316 index = 0;
317 blen = 2;
318
319 ret = az6007_read(d, req, value, index, b, blen);
320 if (ret < 0) {
321 pr_warn("usb in operation failed. (%d)\n", ret);
322 ret = -EINVAL;
323 } else {
324 if (b[0] == 0)
325 pr_warn("Read CI IO error\n");
326
327 ret = b[1];
328 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
329 }
330
331 mutex_unlock(&state->ca_mutex);
332 kfree(b);
333 return ret;
334 }
335
336 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
337 int slot,
338 u8 address,
339 u8 value)
340 {
341 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
342 struct az6007_device_state *state = d_to_priv(d);
343
344 int ret;
345 u8 req;
346 u16 value1;
347 u16 index;
348 int blen;
349
350 if (slot != 0)
351 return -EINVAL;
352
353 mutex_lock(&state->ca_mutex);
354 req = 0xC4;
355 value1 = address;
356 index = value;
357 blen = 0;
358
359 ret = az6007_write(d, req, value1, index, NULL, blen);
360 if (ret != 0) {
361 pr_warn("usb out operation failed. (%d)\n", ret);
362 goto failed;
363 }
364
365 failed:
366 mutex_unlock(&state->ca_mutex);
367 return ret;
368 }
369
370 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
371 {
372 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
373
374 int ret;
375 u8 req;
376 u16 value;
377 u16 index;
378 int blen;
379 u8 *b;
380
381 b = kmalloc(12, GFP_KERNEL);
382 if (!b)
383 return -ENOMEM;
384
385 req = 0xC8;
386 value = 0;
387 index = 0;
388 blen = 1;
389
390 ret = az6007_read(d, req, value, index, b, blen);
391 if (ret < 0) {
392 pr_warn("usb in operation failed. (%d)\n", ret);
393 ret = -EIO;
394 } else{
395 ret = b[0];
396 }
397 kfree(b);
398 return ret;
399 }
400
401 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
402 {
403 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
404 struct az6007_device_state *state = d_to_priv(d);
405
406 int ret, i;
407 u8 req;
408 u16 value;
409 u16 index;
410 int blen;
411
412 mutex_lock(&state->ca_mutex);
413
414 req = 0xC6;
415 value = 1;
416 index = 0;
417 blen = 0;
418
419 ret = az6007_write(d, req, value, index, NULL, blen);
420 if (ret != 0) {
421 pr_warn("usb out operation failed. (%d)\n", ret);
422 goto failed;
423 }
424
425 msleep(500);
426 req = 0xC6;
427 value = 0;
428 index = 0;
429 blen = 0;
430
431 ret = az6007_write(d, req, value, index, NULL, blen);
432 if (ret != 0) {
433 pr_warn("usb out operation failed. (%d)\n", ret);
434 goto failed;
435 }
436
437 for (i = 0; i < 15; i++) {
438 msleep(100);
439
440 if (CI_CamReady(ca, slot)) {
441 pr_debug("CAM Ready\n");
442 break;
443 }
444 }
445 msleep(5000);
446
447 failed:
448 mutex_unlock(&state->ca_mutex);
449 return ret;
450 }
451
452 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
453 {
454 return 0;
455 }
456
457 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
458 {
459 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
460 struct az6007_device_state *state = d_to_priv(d);
461
462 int ret;
463 u8 req;
464 u16 value;
465 u16 index;
466 int blen;
467
468 pr_debug("%s()\n", __func__);
469 mutex_lock(&state->ca_mutex);
470 req = 0xC7;
471 value = 1;
472 index = 0;
473 blen = 0;
474
475 ret = az6007_write(d, req, value, index, NULL, blen);
476 if (ret != 0) {
477 pr_warn("usb out operation failed. (%d)\n", ret);
478 goto failed;
479 }
480
481 failed:
482 mutex_unlock(&state->ca_mutex);
483 return ret;
484 }
485
486 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
487 {
488 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
489 struct az6007_device_state *state = d_to_priv(d);
490 int ret;
491 u8 req;
492 u16 value;
493 u16 index;
494 int blen;
495 u8 *b;
496
497 b = kmalloc(12, GFP_KERNEL);
498 if (!b)
499 return -ENOMEM;
500 mutex_lock(&state->ca_mutex);
501
502 req = 0xC5;
503 value = 0;
504 index = 0;
505 blen = 1;
506
507 ret = az6007_read(d, req, value, index, b, blen);
508 if (ret < 0) {
509 pr_warn("usb in operation failed. (%d)\n", ret);
510 ret = -EIO;
511 } else
512 ret = 0;
513
514 if (!ret && b[0] == 1) {
515 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
516 DVB_CA_EN50221_POLL_CAM_READY;
517 }
518
519 mutex_unlock(&state->ca_mutex);
520 kfree(b);
521 return ret;
522 }
523
524
525 static void az6007_ci_uninit(struct dvb_usb_device *d)
526 {
527 struct az6007_device_state *state;
528
529 pr_debug("%s()\n", __func__);
530
531 if (NULL == d)
532 return;
533
534 state = d_to_priv(d);
535 if (NULL == state)
536 return;
537
538 if (NULL == state->ca.data)
539 return;
540
541 dvb_ca_en50221_release(&state->ca);
542
543 memset(&state->ca, 0, sizeof(state->ca));
544 }
545
546
547 static int az6007_ci_init(struct dvb_usb_adapter *adap)
548 {
549 struct dvb_usb_device *d = adap_to_d(adap);
550 struct az6007_device_state *state = adap_to_priv(adap);
551 int ret;
552
553 pr_debug("%s()\n", __func__);
554
555 mutex_init(&state->ca_mutex);
556 state->ca.owner = THIS_MODULE;
557 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
558 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
559 state->ca.read_cam_control = az6007_ci_read_cam_control;
560 state->ca.write_cam_control = az6007_ci_write_cam_control;
561 state->ca.slot_reset = az6007_ci_slot_reset;
562 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
563 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
564 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
565 state->ca.data = d;
566
567 ret = dvb_ca_en50221_init(&adap->dvb_adap,
568 &state->ca,
569 0, /* flags */
570 1);/* n_slots */
571 if (ret != 0) {
572 pr_err("Cannot initialize CI: Error %d.\n", ret);
573 memset(&state->ca, 0, sizeof(state->ca));
574 return ret;
575 }
576
577 pr_debug("CI initialized.\n");
578
579 return 0;
580 }
581
582 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
583 {
584 struct dvb_usb_device *d = adap_to_d(adap);
585 struct az6007_device_state *st = adap_to_priv(adap);
586 int ret;
587
588 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
589 memcpy(mac, st->data, 6);
590
591 if (ret > 0)
592 pr_debug("%s: mac is %pM\n", __func__, mac);
593
594 return ret;
595 }
596
597 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
598 {
599 struct az6007_device_state *st = adap_to_priv(adap);
600 struct dvb_usb_device *d = adap_to_d(adap);
601
602 pr_debug("attaching demod drxk\n");
603
604 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
605 &d->i2c_adap);
606 if (!adap->fe[0])
607 return -EINVAL;
608
609 adap->fe[0]->sec_priv = adap;
610 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
611 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
612
613 az6007_ci_init(adap);
614
615 return 0;
616 }
617
618 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
619 {
620 struct dvb_usb_device *d = adap_to_d(adap);
621
622 pr_debug("attaching tuner mt2063\n");
623
624 /* Attach mt2063 to DVB-C frontend */
625 if (adap->fe[0]->ops.i2c_gate_ctrl)
626 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
627 if (!dvb_attach(mt2063_attach, adap->fe[0],
628 &az6007_mt2063_config,
629 &d->i2c_adap))
630 return -EINVAL;
631
632 if (adap->fe[0]->ops.i2c_gate_ctrl)
633 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
634
635 return 0;
636 }
637
638 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
639 {
640 struct az6007_device_state *state = d_to_priv(d);
641 int ret;
642
643 pr_debug("%s()\n", __func__);
644
645 if (!state->warm) {
646 mutex_init(&state->mutex);
647
648 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
649 if (ret < 0)
650 return ret;
651 msleep(60);
652 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
653 if (ret < 0)
654 return ret;
655 msleep(100);
656 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
657 if (ret < 0)
658 return ret;
659 msleep(20);
660 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
661 if (ret < 0)
662 return ret;
663
664 msleep(400);
665 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
666 if (ret < 0)
667 return ret;
668 msleep(150);
669 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
670 if (ret < 0)
671 return ret;
672 msleep(430);
673 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
674 if (ret < 0)
675 return ret;
676
677 state->warm = true;
678
679 return 0;
680 }
681
682 if (!onoff)
683 return 0;
684
685 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
686 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
687
688 return 0;
689 }
690
691 /* I2C */
692 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
693 int num)
694 {
695 struct dvb_usb_device *d = i2c_get_adapdata(adap);
696 struct az6007_device_state *st = d_to_priv(d);
697 int i, j, len;
698 int ret = 0;
699 u16 index;
700 u16 value;
701 int length;
702 u8 req, addr;
703
704 if (mutex_lock_interruptible(&st->mutex) < 0)
705 return -EAGAIN;
706
707 for (i = 0; i < num; i++) {
708 addr = msgs[i].addr << 1;
709 if (((i + 1) < num)
710 && (msgs[i].len == 1)
711 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
712 && (msgs[i + 1].flags & I2C_M_RD)
713 && (msgs[i].addr == msgs[i + 1].addr)) {
714 /*
715 * A write + read xfer for the same address, where
716 * the first xfer has just 1 byte length.
717 * Need to join both into one operation
718 */
719 if (az6007_xfer_debug)
720 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
721 addr, msgs[i].len, msgs[i + 1].len);
722 req = AZ6007_I2C_RD;
723 index = msgs[i].buf[0];
724 value = addr | (1 << 8);
725 length = 6 + msgs[i + 1].len;
726 len = msgs[i + 1].len;
727 ret = __az6007_read(d->udev, req, value, index,
728 st->data, length);
729 if (ret >= len) {
730 for (j = 0; j < len; j++)
731 msgs[i + 1].buf[j] = st->data[j + 5];
732 } else
733 ret = -EIO;
734 i++;
735 } else if (!(msgs[i].flags & I2C_M_RD)) {
736 /* write bytes */
737 if (az6007_xfer_debug)
738 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
739 addr, msgs[i].len);
740 req = AZ6007_I2C_WR;
741 index = msgs[i].buf[0];
742 value = addr | (1 << 8);
743 length = msgs[i].len - 1;
744 len = msgs[i].len - 1;
745 for (j = 0; j < len; j++)
746 st->data[j] = msgs[i].buf[j + 1];
747 ret = __az6007_write(d->udev, req, value, index,
748 st->data, length);
749 } else {
750 /* read bytes */
751 if (az6007_xfer_debug)
752 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
753 addr, msgs[i].len);
754 req = AZ6007_I2C_RD;
755 index = msgs[i].buf[0];
756 value = addr;
757 length = msgs[i].len + 6;
758 len = msgs[i].len;
759 ret = __az6007_read(d->udev, req, value, index,
760 st->data, length);
761 for (j = 0; j < len; j++)
762 msgs[i].buf[j] = st->data[j + 5];
763 }
764 if (ret < 0)
765 goto err;
766 }
767 err:
768 mutex_unlock(&st->mutex);
769
770 if (ret < 0) {
771 pr_info("%s ERROR: %i\n", __func__, ret);
772 return ret;
773 }
774 return num;
775 }
776
777 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
778 {
779 return I2C_FUNC_I2C;
780 }
781
782 static struct i2c_algorithm az6007_i2c_algo = {
783 .master_xfer = az6007_i2c_xfer,
784 .functionality = az6007_i2c_func,
785 };
786
787 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
788 {
789 int ret;
790 u8 *mac;
791
792 pr_debug("Identifying az6007 state\n");
793
794 mac = kmalloc(6, GFP_ATOMIC);
795 if (!mac)
796 return -ENOMEM;
797
798 /* Try to read the mac address */
799 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
800 if (ret == 6)
801 ret = WARM;
802 else
803 ret = COLD;
804
805 kfree(mac);
806
807 if (ret == COLD) {
808 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
809 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
810 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
811 }
812
813 pr_debug("Device is on %s state\n",
814 ret == WARM ? "warm" : "cold");
815 return ret;
816 }
817
818 static void az6007_usb_disconnect(struct usb_interface *intf)
819 {
820 struct dvb_usb_device *d = usb_get_intfdata(intf);
821 az6007_ci_uninit(d);
822 dvb_usbv2_disconnect(intf);
823 }
824
825 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
826 {
827 pr_debug("Getting az6007 Remote Control properties\n");
828
829 rc->allowed_protos = RC_TYPE_NEC;
830 rc->query = az6007_rc_query;
831 rc->interval = 400;
832
833 return 0;
834 }
835
836 static int az6007_download_firmware(struct dvb_usb_device *d,
837 const struct firmware *fw)
838 {
839 pr_debug("Loading az6007 firmware\n");
840
841 return usbv2_cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
842 }
843
844 /* DVB USB Driver stuff */
845 static struct dvb_usb_device_properties az6007_props = {
846 .driver_name = KBUILD_MODNAME,
847 .owner = THIS_MODULE,
848 .firmware = AZ6007_FIRMWARE,
849
850 .adapter_nr = adapter_nr,
851 .size_of_priv = sizeof(struct az6007_device_state),
852 .i2c_algo = &az6007_i2c_algo,
853 .tuner_attach = az6007_tuner_attach,
854 .frontend_attach = az6007_frontend_attach,
855 .streaming_ctrl = az6007_streaming_ctrl,
856 .get_rc_config = az6007_get_rc_config,
857 .read_mac_address = az6007_read_mac_addr,
858 .download_firmware = az6007_download_firmware,
859 .identify_state = az6007_identify_state,
860 .power_ctrl = az6007_power_ctrl,
861 .num_adapters = 1,
862 .adapter = {
863 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
864 }
865 };
866
867 static struct usb_device_id az6007_usb_table[] = {
868 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
869 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
870 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
871 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
872 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
873 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
874 {0},
875 };
876
877 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
878
879 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
880 {
881 struct dvb_usb_device *d = usb_get_intfdata(intf);
882
883 az6007_ci_uninit(d);
884 return dvb_usbv2_suspend(intf, msg);
885 }
886
887 static int az6007_resume(struct usb_interface *intf)
888 {
889 struct dvb_usb_device *d = usb_get_intfdata(intf);
890 struct dvb_usb_adapter *adap = &d->adapter[0];
891
892 az6007_ci_init(adap);
893 return dvb_usbv2_resume(intf);
894 }
895
896 /* usb specific object needed to register this driver with the usb subsystem */
897 static struct usb_driver az6007_usb_driver = {
898 .name = KBUILD_MODNAME,
899 .id_table = az6007_usb_table,
900 .probe = dvb_usbv2_probe,
901 .disconnect = az6007_usb_disconnect,
902 .no_dynamic_id = 1,
903 .soft_unbind = 1,
904 /*
905 * FIXME: need to implement reset_resume, likely with
906 * dvb-usb-v2 core support
907 */
908 .suspend = az6007_suspend,
909 .resume = az6007_resume,
910 };
911
912 module_usb_driver(az6007_usb_driver);
913
914 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
915 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
916 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
917 MODULE_VERSION("2.0");
918 MODULE_LICENSE("GPL");
919 MODULE_FIRMWARE(AZ6007_FIRMWARE);
Linux kernel - Deliverables
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