?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 3.11-rc3
[cris-mirror.git] / drivers / media / usb / dvb-usb-v2 / az6007.c
blob44c64ef361bf9dbe0097783e1aa40dacbc842a01
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 #if IS_ENABLED(CONFIG_RC_CORE)
193 /* remote control stuff (does not work with my box) */
194 static int az6007_rc_query(struct dvb_usb_device *d)
195 {
196 struct az6007_device_state *st = d_to_priv(d);
197 unsigned code = 0;
198
199 az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
200
201 if (st->data[1] == 0x44)
202 return 0;
203
204 if ((st->data[1] ^ st->data[2]) == 0xff)
205 code = st->data[1];
206 else
207 code = st->data[1] << 8 | st->data[2];
208
209 if ((st->data[3] ^ st->data[4]) == 0xff)
210 code = code << 8 | st->data[3];
211 else
212 code = code << 16 | st->data[3] << 8 | st->data[4];
213
214 rc_keydown(d->rc_dev, code, st->data[5]);
215
216 return 0;
217 }
218
219 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
220 {
221 pr_debug("Getting az6007 Remote Control properties\n");
222
223 rc->allowed_protos = RC_BIT_NEC;
224 rc->query = az6007_rc_query;
225 rc->interval = 400;
226
227 return 0;
228 }
229 #else
230 #define az6007_get_rc_config NULL
231 #endif
232
233 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
234 int slot,
235 int address)
236 {
237 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
238 struct az6007_device_state *state = d_to_priv(d);
239
240 int ret;
241 u8 req;
242 u16 value;
243 u16 index;
244 int blen;
245 u8 *b;
246
247 if (slot != 0)
248 return -EINVAL;
249
250 b = kmalloc(12, GFP_KERNEL);
251 if (!b)
252 return -ENOMEM;
253
254 mutex_lock(&state->ca_mutex);
255
256 req = 0xC1;
257 value = address;
258 index = 0;
259 blen = 1;
260
261 ret = az6007_read(d, req, value, index, b, blen);
262 if (ret < 0) {
263 pr_warn("usb in operation failed. (%d)\n", ret);
264 ret = -EINVAL;
265 } else {
266 ret = b[0];
267 }
268
269 mutex_unlock(&state->ca_mutex);
270 kfree(b);
271 return ret;
272 }
273
274 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
275 int slot,
276 int address,
277 u8 value)
278 {
279 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
280 struct az6007_device_state *state = d_to_priv(d);
281
282 int ret;
283 u8 req;
284 u16 value1;
285 u16 index;
286 int blen;
287
288 pr_debug("%s(), slot %d\n", __func__, slot);
289 if (slot != 0)
290 return -EINVAL;
291
292 mutex_lock(&state->ca_mutex);
293 req = 0xC2;
294 value1 = address;
295 index = value;
296 blen = 0;
297
298 ret = az6007_write(d, req, value1, index, NULL, blen);
299 if (ret != 0)
300 pr_warn("usb out operation failed. (%d)\n", ret);
301
302 mutex_unlock(&state->ca_mutex);
303 return ret;
304 }
305
306 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
307 int slot,
308 u8 address)
309 {
310 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
311 struct az6007_device_state *state = d_to_priv(d);
312
313 int ret;
314 u8 req;
315 u16 value;
316 u16 index;
317 int blen;
318 u8 *b;
319
320 if (slot != 0)
321 return -EINVAL;
322
323 b = kmalloc(12, GFP_KERNEL);
324 if (!b)
325 return -ENOMEM;
326
327 mutex_lock(&state->ca_mutex);
328
329 req = 0xC3;
330 value = address;
331 index = 0;
332 blen = 2;
333
334 ret = az6007_read(d, req, value, index, b, blen);
335 if (ret < 0) {
336 pr_warn("usb in operation failed. (%d)\n", ret);
337 ret = -EINVAL;
338 } else {
339 if (b[0] == 0)
340 pr_warn("Read CI IO error\n");
341
342 ret = b[1];
343 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
344 }
345
346 mutex_unlock(&state->ca_mutex);
347 kfree(b);
348 return ret;
349 }
350
351 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
352 int slot,
353 u8 address,
354 u8 value)
355 {
356 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
357 struct az6007_device_state *state = d_to_priv(d);
358
359 int ret;
360 u8 req;
361 u16 value1;
362 u16 index;
363 int blen;
364
365 if (slot != 0)
366 return -EINVAL;
367
368 mutex_lock(&state->ca_mutex);
369 req = 0xC4;
370 value1 = address;
371 index = value;
372 blen = 0;
373
374 ret = az6007_write(d, req, value1, index, NULL, blen);
375 if (ret != 0) {
376 pr_warn("usb out operation failed. (%d)\n", ret);
377 goto failed;
378 }
379
380 failed:
381 mutex_unlock(&state->ca_mutex);
382 return ret;
383 }
384
385 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
386 {
387 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
388
389 int ret;
390 u8 req;
391 u16 value;
392 u16 index;
393 int blen;
394 u8 *b;
395
396 b = kmalloc(12, GFP_KERNEL);
397 if (!b)
398 return -ENOMEM;
399
400 req = 0xC8;
401 value = 0;
402 index = 0;
403 blen = 1;
404
405 ret = az6007_read(d, req, value, index, b, blen);
406 if (ret < 0) {
407 pr_warn("usb in operation failed. (%d)\n", ret);
408 ret = -EIO;
409 } else{
410 ret = b[0];
411 }
412 kfree(b);
413 return ret;
414 }
415
416 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
417 {
418 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
419 struct az6007_device_state *state = d_to_priv(d);
420
421 int ret, i;
422 u8 req;
423 u16 value;
424 u16 index;
425 int blen;
426
427 mutex_lock(&state->ca_mutex);
428
429 req = 0xC6;
430 value = 1;
431 index = 0;
432 blen = 0;
433
434 ret = az6007_write(d, req, value, index, NULL, blen);
435 if (ret != 0) {
436 pr_warn("usb out operation failed. (%d)\n", ret);
437 goto failed;
438 }
439
440 msleep(500);
441 req = 0xC6;
442 value = 0;
443 index = 0;
444 blen = 0;
445
446 ret = az6007_write(d, req, value, index, NULL, blen);
447 if (ret != 0) {
448 pr_warn("usb out operation failed. (%d)\n", ret);
449 goto failed;
450 }
451
452 for (i = 0; i < 15; i++) {
453 msleep(100);
454
455 if (CI_CamReady(ca, slot)) {
456 pr_debug("CAM Ready\n");
457 break;
458 }
459 }
460 msleep(5000);
461
462 failed:
463 mutex_unlock(&state->ca_mutex);
464 return ret;
465 }
466
467 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
468 {
469 return 0;
470 }
471
472 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
473 {
474 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
475 struct az6007_device_state *state = d_to_priv(d);
476
477 int ret;
478 u8 req;
479 u16 value;
480 u16 index;
481 int blen;
482
483 pr_debug("%s()\n", __func__);
484 mutex_lock(&state->ca_mutex);
485 req = 0xC7;
486 value = 1;
487 index = 0;
488 blen = 0;
489
490 ret = az6007_write(d, req, value, index, NULL, blen);
491 if (ret != 0) {
492 pr_warn("usb out operation failed. (%d)\n", ret);
493 goto failed;
494 }
495
496 failed:
497 mutex_unlock(&state->ca_mutex);
498 return ret;
499 }
500
501 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
502 {
503 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
504 struct az6007_device_state *state = d_to_priv(d);
505 int ret;
506 u8 req;
507 u16 value;
508 u16 index;
509 int blen;
510 u8 *b;
511
512 b = kmalloc(12, GFP_KERNEL);
513 if (!b)
514 return -ENOMEM;
515 mutex_lock(&state->ca_mutex);
516
517 req = 0xC5;
518 value = 0;
519 index = 0;
520 blen = 1;
521
522 ret = az6007_read(d, req, value, index, b, blen);
523 if (ret < 0) {
524 pr_warn("usb in operation failed. (%d)\n", ret);
525 ret = -EIO;
526 } else
527 ret = 0;
528
529 if (!ret && b[0] == 1) {
530 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
531 DVB_CA_EN50221_POLL_CAM_READY;
532 }
533
534 mutex_unlock(&state->ca_mutex);
535 kfree(b);
536 return ret;
537 }
538
539
540 static void az6007_ci_uninit(struct dvb_usb_device *d)
541 {
542 struct az6007_device_state *state;
543
544 pr_debug("%s()\n", __func__);
545
546 if (NULL == d)
547 return;
548
549 state = d_to_priv(d);
550 if (NULL == state)
551 return;
552
553 if (NULL == state->ca.data)
554 return;
555
556 dvb_ca_en50221_release(&state->ca);
557
558 memset(&state->ca, 0, sizeof(state->ca));
559 }
560
561
562 static int az6007_ci_init(struct dvb_usb_adapter *adap)
563 {
564 struct dvb_usb_device *d = adap_to_d(adap);
565 struct az6007_device_state *state = adap_to_priv(adap);
566 int ret;
567
568 pr_debug("%s()\n", __func__);
569
570 mutex_init(&state->ca_mutex);
571 state->ca.owner = THIS_MODULE;
572 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
573 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
574 state->ca.read_cam_control = az6007_ci_read_cam_control;
575 state->ca.write_cam_control = az6007_ci_write_cam_control;
576 state->ca.slot_reset = az6007_ci_slot_reset;
577 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
578 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
579 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
580 state->ca.data = d;
581
582 ret = dvb_ca_en50221_init(&adap->dvb_adap,
583 &state->ca,
584 0, /* flags */
585 1);/* n_slots */
586 if (ret != 0) {
587 pr_err("Cannot initialize CI: Error %d.\n", ret);
588 memset(&state->ca, 0, sizeof(state->ca));
589 return ret;
590 }
591
592 pr_debug("CI initialized.\n");
593
594 return 0;
595 }
596
597 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
598 {
599 struct dvb_usb_device *d = adap_to_d(adap);
600 struct az6007_device_state *st = adap_to_priv(adap);
601 int ret;
602
603 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
604 memcpy(mac, st->data, 6);
605
606 if (ret > 0)
607 pr_debug("%s: mac is %pM\n", __func__, mac);
608
609 return ret;
610 }
611
612 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
613 {
614 struct az6007_device_state *st = adap_to_priv(adap);
615 struct dvb_usb_device *d = adap_to_d(adap);
616
617 pr_debug("attaching demod drxk\n");
618
619 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
620 &d->i2c_adap);
621 if (!adap->fe[0])
622 return -EINVAL;
623
624 adap->fe[0]->sec_priv = adap;
625 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
626 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
627
628 az6007_ci_init(adap);
629
630 return 0;
631 }
632
633 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
634 {
635 struct dvb_usb_device *d = adap_to_d(adap);
636
637 pr_debug("attaching tuner mt2063\n");
638
639 /* Attach mt2063 to DVB-C frontend */
640 if (adap->fe[0]->ops.i2c_gate_ctrl)
641 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
642 if (!dvb_attach(mt2063_attach, adap->fe[0],
643 &az6007_mt2063_config,
644 &d->i2c_adap))
645 return -EINVAL;
646
647 if (adap->fe[0]->ops.i2c_gate_ctrl)
648 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
649
650 return 0;
651 }
652
653 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
654 {
655 struct az6007_device_state *state = d_to_priv(d);
656 int ret;
657
658 pr_debug("%s()\n", __func__);
659
660 if (!state->warm) {
661 mutex_init(&state->mutex);
662
663 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
664 if (ret < 0)
665 return ret;
666 msleep(60);
667 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
668 if (ret < 0)
669 return ret;
670 msleep(100);
671 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
672 if (ret < 0)
673 return ret;
674 msleep(20);
675 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
676 if (ret < 0)
677 return ret;
678
679 msleep(400);
680 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
681 if (ret < 0)
682 return ret;
683 msleep(150);
684 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
685 if (ret < 0)
686 return ret;
687 msleep(430);
688 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
689 if (ret < 0)
690 return ret;
691
692 state->warm = true;
693
694 return 0;
695 }
696
697 if (!onoff)
698 return 0;
699
700 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
701 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
702
703 return 0;
704 }
705
706 /* I2C */
707 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
708 int num)
709 {
710 struct dvb_usb_device *d = i2c_get_adapdata(adap);
711 struct az6007_device_state *st = d_to_priv(d);
712 int i, j, len;
713 int ret = 0;
714 u16 index;
715 u16 value;
716 int length;
717 u8 req, addr;
718
719 if (mutex_lock_interruptible(&st->mutex) < 0)
720 return -EAGAIN;
721
722 for (i = 0; i < num; i++) {
723 addr = msgs[i].addr << 1;
724 if (((i + 1) < num)
725 && (msgs[i].len == 1)
726 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
727 && (msgs[i + 1].flags & I2C_M_RD)
728 && (msgs[i].addr == msgs[i + 1].addr)) {
729 /*
730 * A write + read xfer for the same address, where
731 * the first xfer has just 1 byte length.
732 * Need to join both into one operation
733 */
734 if (az6007_xfer_debug)
735 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
736 addr, msgs[i].len, msgs[i + 1].len);
737 req = AZ6007_I2C_RD;
738 index = msgs[i].buf[0];
739 value = addr | (1 << 8);
740 length = 6 + msgs[i + 1].len;
741 len = msgs[i + 1].len;
742 ret = __az6007_read(d->udev, req, value, index,
743 st->data, length);
744 if (ret >= len) {
745 for (j = 0; j < len; j++)
746 msgs[i + 1].buf[j] = st->data[j + 5];
747 } else
748 ret = -EIO;
749 i++;
750 } else if (!(msgs[i].flags & I2C_M_RD)) {
751 /* write bytes */
752 if (az6007_xfer_debug)
753 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
754 addr, msgs[i].len);
755 req = AZ6007_I2C_WR;
756 index = msgs[i].buf[0];
757 value = addr | (1 << 8);
758 length = msgs[i].len - 1;
759 len = msgs[i].len - 1;
760 for (j = 0; j < len; j++)
761 st->data[j] = msgs[i].buf[j + 1];
762 ret = __az6007_write(d->udev, req, value, index,
763 st->data, length);
764 } else {
765 /* read bytes */
766 if (az6007_xfer_debug)
767 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
768 addr, msgs[i].len);
769 req = AZ6007_I2C_RD;
770 index = msgs[i].buf[0];
771 value = addr;
772 length = msgs[i].len + 6;
773 len = msgs[i].len;
774 ret = __az6007_read(d->udev, req, value, index,
775 st->data, length);
776 for (j = 0; j < len; j++)
777 msgs[i].buf[j] = st->data[j + 5];
778 }
779 if (ret < 0)
780 goto err;
781 }
782 err:
783 mutex_unlock(&st->mutex);
784
785 if (ret < 0) {
786 pr_info("%s ERROR: %i\n", __func__, ret);
787 return ret;
788 }
789 return num;
790 }
791
792 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
793 {
794 return I2C_FUNC_I2C;
795 }
796
797 static struct i2c_algorithm az6007_i2c_algo = {
798 .master_xfer = az6007_i2c_xfer,
799 .functionality = az6007_i2c_func,
800 };
801
802 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
803 {
804 int ret;
805 u8 *mac;
806
807 pr_debug("Identifying az6007 state\n");
808
809 mac = kmalloc(6, GFP_ATOMIC);
810 if (!mac)
811 return -ENOMEM;
812
813 /* Try to read the mac address */
814 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
815 if (ret == 6)
816 ret = WARM;
817 else
818 ret = COLD;
819
820 kfree(mac);
821
822 if (ret == COLD) {
823 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
824 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
825 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
826 }
827
828 pr_debug("Device is on %s state\n",
829 ret == WARM ? "warm" : "cold");
830 return ret;
831 }
832
833 static void az6007_usb_disconnect(struct usb_interface *intf)
834 {
835 struct dvb_usb_device *d = usb_get_intfdata(intf);
836 az6007_ci_uninit(d);
837 dvb_usbv2_disconnect(intf);
838 }
839
840 static int az6007_download_firmware(struct dvb_usb_device *d,
841 const struct firmware *fw)
842 {
843 pr_debug("Loading az6007 firmware\n");
844
845 return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
846 }
847
848 /* DVB USB Driver stuff */
849 static struct dvb_usb_device_properties az6007_props = {
850 .driver_name = KBUILD_MODNAME,
851 .owner = THIS_MODULE,
852 .firmware = AZ6007_FIRMWARE,
853
854 .adapter_nr = adapter_nr,
855 .size_of_priv = sizeof(struct az6007_device_state),
856 .i2c_algo = &az6007_i2c_algo,
857 .tuner_attach = az6007_tuner_attach,
858 .frontend_attach = az6007_frontend_attach,
859 .streaming_ctrl = az6007_streaming_ctrl,
860 .get_rc_config = az6007_get_rc_config,
861 .read_mac_address = az6007_read_mac_addr,
862 .download_firmware = az6007_download_firmware,
863 .identify_state = az6007_identify_state,
864 .power_ctrl = az6007_power_ctrl,
865 .num_adapters = 1,
866 .adapter = {
867 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
868 }
869 };
870
871 static struct usb_device_id az6007_usb_table[] = {
872 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
873 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
874 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
875 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
876 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
877 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
878 {0},
879 };
880
881 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
882
883 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
884 {
885 struct dvb_usb_device *d = usb_get_intfdata(intf);
886
887 az6007_ci_uninit(d);
888 return dvb_usbv2_suspend(intf, msg);
889 }
890
891 static int az6007_resume(struct usb_interface *intf)
892 {
893 struct dvb_usb_device *d = usb_get_intfdata(intf);
894 struct dvb_usb_adapter *adap = &d->adapter[0];
895
896 az6007_ci_init(adap);
897 return dvb_usbv2_resume(intf);
898 }
899
900 /* usb specific object needed to register this driver with the usb subsystem */
901 static struct usb_driver az6007_usb_driver = {
902 .name = KBUILD_MODNAME,
903 .id_table = az6007_usb_table,
904 .probe = dvb_usbv2_probe,
905 .disconnect = az6007_usb_disconnect,
906 .no_dynamic_id = 1,
907 .soft_unbind = 1,
908 /*
909 * FIXME: need to implement reset_resume, likely with
910 * dvb-usb-v2 core support
911 */
912 .suspend = az6007_suspend,
913 .resume = az6007_resume,
914 };
915
916 module_usb_driver(az6007_usb_driver);
917
918 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
919 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
920 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
921 MODULE_VERSION("2.0");
922 MODULE_LICENSE("GPL");
923 MODULE_FIRMWARE(AZ6007_FIRMWARE);
CRIS linux kernel tree