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irqchip/s3c24xx: Mark init_eint as __maybe_unused
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / az6007.c
blob935dbaa80ef0c5e99714919bd55ebe7a5ac9449f
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 "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
212 az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
213
214 if (st->data[1] == 0x44)
215 return 0;
216
217 if ((st->data[3] ^ st->data[4]) == 0xff) {
218 if ((st->data[1] ^ st->data[2]) == 0xff)
219 code = RC_SCANCODE_NEC(st->data[1], st->data[3]);
220 else
221 code = RC_SCANCODE_NECX(st->data[1] << 8 | st->data[2],
222 st->data[3]);
223 } else {
224 code = RC_SCANCODE_NEC32(st->data[1] << 24 |
225 st->data[2] << 16 |
226 st->data[3] << 8 |
227 st->data[4]);
228 }
229
230 rc_keydown(d->rc_dev, RC_TYPE_NEC, code, st->data[5]);
231
232 return 0;
233 }
234
235 static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
236 {
237 pr_debug("Getting az6007 Remote Control properties\n");
238
239 rc->allowed_protos = RC_BIT_NEC;
240 rc->query = az6007_rc_query;
241 rc->interval = 400;
242
243 return 0;
244 }
245 #else
246 #define az6007_get_rc_config NULL
247 #endif
248
249 static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
250 int slot,
251 int address)
252 {
253 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
254 struct az6007_device_state *state = d_to_priv(d);
255
256 int ret;
257 u8 req;
258 u16 value;
259 u16 index;
260 int blen;
261 u8 *b;
262
263 if (slot != 0)
264 return -EINVAL;
265
266 b = kmalloc(12, GFP_KERNEL);
267 if (!b)
268 return -ENOMEM;
269
270 mutex_lock(&state->ca_mutex);
271
272 req = 0xC1;
273 value = address;
274 index = 0;
275 blen = 1;
276
277 ret = az6007_read(d, req, value, index, b, blen);
278 if (ret < 0) {
279 pr_warn("usb in operation failed. (%d)\n", ret);
280 ret = -EINVAL;
281 } else {
282 ret = b[0];
283 }
284
285 mutex_unlock(&state->ca_mutex);
286 kfree(b);
287 return ret;
288 }
289
290 static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
291 int slot,
292 int address,
293 u8 value)
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 value1;
301 u16 index;
302 int blen;
303
304 pr_debug("%s(), slot %d\n", __func__, slot);
305 if (slot != 0)
306 return -EINVAL;
307
308 mutex_lock(&state->ca_mutex);
309 req = 0xC2;
310 value1 = address;
311 index = value;
312 blen = 0;
313
314 ret = az6007_write(d, req, value1, index, NULL, blen);
315 if (ret != 0)
316 pr_warn("usb out operation failed. (%d)\n", ret);
317
318 mutex_unlock(&state->ca_mutex);
319 return ret;
320 }
321
322 static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
323 int slot,
324 u8 address)
325 {
326 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
327 struct az6007_device_state *state = d_to_priv(d);
328
329 int ret;
330 u8 req;
331 u16 value;
332 u16 index;
333 int blen;
334 u8 *b;
335
336 if (slot != 0)
337 return -EINVAL;
338
339 b = kmalloc(12, GFP_KERNEL);
340 if (!b)
341 return -ENOMEM;
342
343 mutex_lock(&state->ca_mutex);
344
345 req = 0xC3;
346 value = address;
347 index = 0;
348 blen = 2;
349
350 ret = az6007_read(d, req, value, index, b, blen);
351 if (ret < 0) {
352 pr_warn("usb in operation failed. (%d)\n", ret);
353 ret = -EINVAL;
354 } else {
355 if (b[0] == 0)
356 pr_warn("Read CI IO error\n");
357
358 ret = b[1];
359 pr_debug("read cam data = %x from 0x%x\n", b[1], value);
360 }
361
362 mutex_unlock(&state->ca_mutex);
363 kfree(b);
364 return ret;
365 }
366
367 static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
368 int slot,
369 u8 address,
370 u8 value)
371 {
372 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
373 struct az6007_device_state *state = d_to_priv(d);
374
375 int ret;
376 u8 req;
377 u16 value1;
378 u16 index;
379 int blen;
380
381 if (slot != 0)
382 return -EINVAL;
383
384 mutex_lock(&state->ca_mutex);
385 req = 0xC4;
386 value1 = address;
387 index = value;
388 blen = 0;
389
390 ret = az6007_write(d, req, value1, index, NULL, blen);
391 if (ret != 0) {
392 pr_warn("usb out operation failed. (%d)\n", ret);
393 goto failed;
394 }
395
396 failed:
397 mutex_unlock(&state->ca_mutex);
398 return ret;
399 }
400
401 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
402 {
403 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
404
405 int ret;
406 u8 req;
407 u16 value;
408 u16 index;
409 int blen;
410 u8 *b;
411
412 b = kmalloc(12, GFP_KERNEL);
413 if (!b)
414 return -ENOMEM;
415
416 req = 0xC8;
417 value = 0;
418 index = 0;
419 blen = 1;
420
421 ret = az6007_read(d, req, value, index, b, blen);
422 if (ret < 0) {
423 pr_warn("usb in operation failed. (%d)\n", ret);
424 ret = -EIO;
425 } else{
426 ret = b[0];
427 }
428 kfree(b);
429 return ret;
430 }
431
432 static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
433 {
434 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
435 struct az6007_device_state *state = d_to_priv(d);
436
437 int ret, i;
438 u8 req;
439 u16 value;
440 u16 index;
441 int blen;
442
443 mutex_lock(&state->ca_mutex);
444
445 req = 0xC6;
446 value = 1;
447 index = 0;
448 blen = 0;
449
450 ret = az6007_write(d, req, value, index, NULL, blen);
451 if (ret != 0) {
452 pr_warn("usb out operation failed. (%d)\n", ret);
453 goto failed;
454 }
455
456 msleep(500);
457 req = 0xC6;
458 value = 0;
459 index = 0;
460 blen = 0;
461
462 ret = az6007_write(d, req, value, index, NULL, blen);
463 if (ret != 0) {
464 pr_warn("usb out operation failed. (%d)\n", ret);
465 goto failed;
466 }
467
468 for (i = 0; i < 15; i++) {
469 msleep(100);
470
471 if (CI_CamReady(ca, slot)) {
472 pr_debug("CAM Ready\n");
473 break;
474 }
475 }
476 msleep(5000);
477
478 failed:
479 mutex_unlock(&state->ca_mutex);
480 return ret;
481 }
482
483 static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
484 {
485 return 0;
486 }
487
488 static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
489 {
490 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
491 struct az6007_device_state *state = d_to_priv(d);
492
493 int ret;
494 u8 req;
495 u16 value;
496 u16 index;
497 int blen;
498
499 pr_debug("%s()\n", __func__);
500 mutex_lock(&state->ca_mutex);
501 req = 0xC7;
502 value = 1;
503 index = 0;
504 blen = 0;
505
506 ret = az6007_write(d, req, value, index, NULL, blen);
507 if (ret != 0) {
508 pr_warn("usb out operation failed. (%d)\n", ret);
509 goto failed;
510 }
511
512 failed:
513 mutex_unlock(&state->ca_mutex);
514 return ret;
515 }
516
517 static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
518 {
519 struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
520 struct az6007_device_state *state = d_to_priv(d);
521 int ret;
522 u8 req;
523 u16 value;
524 u16 index;
525 int blen;
526 u8 *b;
527
528 b = kmalloc(12, GFP_KERNEL);
529 if (!b)
530 return -ENOMEM;
531 mutex_lock(&state->ca_mutex);
532
533 req = 0xC5;
534 value = 0;
535 index = 0;
536 blen = 1;
537
538 ret = az6007_read(d, req, value, index, b, blen);
539 if (ret < 0) {
540 pr_warn("usb in operation failed. (%d)\n", ret);
541 ret = -EIO;
542 } else
543 ret = 0;
544
545 if (!ret && b[0] == 1) {
546 ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
547 DVB_CA_EN50221_POLL_CAM_READY;
548 }
549
550 mutex_unlock(&state->ca_mutex);
551 kfree(b);
552 return ret;
553 }
554
555
556 static void az6007_ci_uninit(struct dvb_usb_device *d)
557 {
558 struct az6007_device_state *state;
559
560 pr_debug("%s()\n", __func__);
561
562 if (NULL == d)
563 return;
564
565 state = d_to_priv(d);
566 if (NULL == state)
567 return;
568
569 if (NULL == state->ca.data)
570 return;
571
572 dvb_ca_en50221_release(&state->ca);
573
574 memset(&state->ca, 0, sizeof(state->ca));
575 }
576
577
578 static int az6007_ci_init(struct dvb_usb_adapter *adap)
579 {
580 struct dvb_usb_device *d = adap_to_d(adap);
581 struct az6007_device_state *state = adap_to_priv(adap);
582 int ret;
583
584 pr_debug("%s()\n", __func__);
585
586 mutex_init(&state->ca_mutex);
587 state->ca.owner = THIS_MODULE;
588 state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
589 state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
590 state->ca.read_cam_control = az6007_ci_read_cam_control;
591 state->ca.write_cam_control = az6007_ci_write_cam_control;
592 state->ca.slot_reset = az6007_ci_slot_reset;
593 state->ca.slot_shutdown = az6007_ci_slot_shutdown;
594 state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
595 state->ca.poll_slot_status = az6007_ci_poll_slot_status;
596 state->ca.data = d;
597
598 ret = dvb_ca_en50221_init(&adap->dvb_adap,
599 &state->ca,
600 0, /* flags */
601 1);/* n_slots */
602 if (ret != 0) {
603 pr_err("Cannot initialize CI: Error %d.\n", ret);
604 memset(&state->ca, 0, sizeof(state->ca));
605 return ret;
606 }
607
608 pr_debug("CI initialized.\n");
609
610 return 0;
611 }
612
613 static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
614 {
615 struct dvb_usb_device *d = adap_to_d(adap);
616 struct az6007_device_state *st = adap_to_priv(adap);
617 int ret;
618
619 ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
620 memcpy(mac, st->data, 6);
621
622 if (ret > 0)
623 pr_debug("%s: mac is %pM\n", __func__, mac);
624
625 return ret;
626 }
627
628 static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
629 {
630 struct az6007_device_state *st = adap_to_priv(adap);
631 struct dvb_usb_device *d = adap_to_d(adap);
632
633 pr_debug("attaching demod drxk\n");
634
635 adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
636 &d->i2c_adap);
637 if (!adap->fe[0])
638 return -EINVAL;
639
640 adap->fe[0]->sec_priv = adap;
641 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
642 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
643
644 az6007_ci_init(adap);
645
646 return 0;
647 }
648
649 static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap)
650 {
651 struct az6007_device_state *st = adap_to_priv(adap);
652 struct dvb_usb_device *d = adap_to_d(adap);
653
654 pr_debug("attaching demod drxk\n");
655
656 adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk,
657 &d->i2c_adap);
658 if (!adap->fe[0])
659 return -EINVAL;
660
661 adap->fe[0]->sec_priv = adap;
662 st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
663 adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
664
665 az6007_ci_init(adap);
666
667 return 0;
668 }
669
670 static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
671 {
672 struct dvb_usb_device *d = adap_to_d(adap);
673
674 pr_debug("attaching tuner mt2063\n");
675
676 /* Attach mt2063 to DVB-C frontend */
677 if (adap->fe[0]->ops.i2c_gate_ctrl)
678 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
679 if (!dvb_attach(mt2063_attach, adap->fe[0],
680 &az6007_mt2063_config,
681 &d->i2c_adap))
682 return -EINVAL;
683
684 if (adap->fe[0]->ops.i2c_gate_ctrl)
685 adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
686
687 return 0;
688 }
689
690 static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
691 {
692 struct az6007_device_state *state = d_to_priv(d);
693 int ret;
694
695 pr_debug("%s()\n", __func__);
696
697 if (!state->warm) {
698 mutex_init(&state->mutex);
699
700 ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
701 if (ret < 0)
702 return ret;
703 msleep(60);
704 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
705 if (ret < 0)
706 return ret;
707 msleep(100);
708 ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
709 if (ret < 0)
710 return ret;
711 msleep(20);
712 ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
713 if (ret < 0)
714 return ret;
715
716 msleep(400);
717 ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
718 if (ret < 0)
719 return ret;
720 msleep(150);
721 ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
722 if (ret < 0)
723 return ret;
724 msleep(430);
725 ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
726 if (ret < 0)
727 return ret;
728
729 state->warm = true;
730
731 return 0;
732 }
733
734 if (!onoff)
735 return 0;
736
737 az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
738 az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
739
740 return 0;
741 }
742
743 /* I2C */
744 static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
745 int num)
746 {
747 struct dvb_usb_device *d = i2c_get_adapdata(adap);
748 struct az6007_device_state *st = d_to_priv(d);
749 int i, j, len;
750 int ret = 0;
751 u16 index;
752 u16 value;
753 int length;
754 u8 req, addr;
755
756 if (mutex_lock_interruptible(&st->mutex) < 0)
757 return -EAGAIN;
758
759 for (i = 0; i < num; i++) {
760 addr = msgs[i].addr << 1;
761 if (((i + 1) < num)
762 && (msgs[i].len == 1)
763 && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
764 && (msgs[i + 1].flags & I2C_M_RD)
765 && (msgs[i].addr == msgs[i + 1].addr)) {
766 /*
767 * A write + read xfer for the same address, where
768 * the first xfer has just 1 byte length.
769 * Need to join both into one operation
770 */
771 if (az6007_xfer_debug)
772 printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
773 addr, msgs[i].len, msgs[i + 1].len);
774 req = AZ6007_I2C_RD;
775 index = msgs[i].buf[0];
776 value = addr | (1 << 8);
777 length = 6 + msgs[i + 1].len;
778 len = msgs[i + 1].len;
779 ret = __az6007_read(d->udev, req, value, index,
780 st->data, length);
781 if (ret >= len) {
782 for (j = 0; j < len; j++)
783 msgs[i + 1].buf[j] = st->data[j + 5];
784 } else
785 ret = -EIO;
786 i++;
787 } else if (!(msgs[i].flags & I2C_M_RD)) {
788 /* write bytes */
789 if (az6007_xfer_debug)
790 printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
791 addr, msgs[i].len);
792 req = AZ6007_I2C_WR;
793 index = msgs[i].buf[0];
794 value = addr | (1 << 8);
795 length = msgs[i].len - 1;
796 len = msgs[i].len - 1;
797 for (j = 0; j < len; j++)
798 st->data[j] = msgs[i].buf[j + 1];
799 ret = __az6007_write(d->udev, req, value, index,
800 st->data, length);
801 } else {
802 /* read bytes */
803 if (az6007_xfer_debug)
804 printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
805 addr, msgs[i].len);
806 req = AZ6007_I2C_RD;
807 index = msgs[i].buf[0];
808 value = addr;
809 length = msgs[i].len + 6;
810 len = msgs[i].len;
811 ret = __az6007_read(d->udev, req, value, index,
812 st->data, length);
813 for (j = 0; j < len; j++)
814 msgs[i].buf[j] = st->data[j + 5];
815 }
816 if (ret < 0)
817 goto err;
818 }
819 err:
820 mutex_unlock(&st->mutex);
821
822 if (ret < 0) {
823 pr_info("%s ERROR: %i\n", __func__, ret);
824 return ret;
825 }
826 return num;
827 }
828
829 static u32 az6007_i2c_func(struct i2c_adapter *adapter)
830 {
831 return I2C_FUNC_I2C;
832 }
833
834 static struct i2c_algorithm az6007_i2c_algo = {
835 .master_xfer = az6007_i2c_xfer,
836 .functionality = az6007_i2c_func,
837 };
838
839 static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
840 {
841 int ret;
842 u8 *mac;
843
844 pr_debug("Identifying az6007 state\n");
845
846 mac = kmalloc(6, GFP_ATOMIC);
847 if (!mac)
848 return -ENOMEM;
849
850 /* Try to read the mac address */
851 ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
852 if (ret == 6)
853 ret = WARM;
854 else
855 ret = COLD;
856
857 kfree(mac);
858
859 if (ret == COLD) {
860 __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
861 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
862 __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
863 }
864
865 pr_debug("Device is on %s state\n",
866 ret == WARM ? "warm" : "cold");
867 return ret;
868 }
869
870 static void az6007_usb_disconnect(struct usb_interface *intf)
871 {
872 struct dvb_usb_device *d = usb_get_intfdata(intf);
873 az6007_ci_uninit(d);
874 dvb_usbv2_disconnect(intf);
875 }
876
877 static int az6007_download_firmware(struct dvb_usb_device *d,
878 const struct firmware *fw)
879 {
880 pr_debug("Loading az6007 firmware\n");
881
882 return cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
883 }
884
885 /* DVB USB Driver stuff */
886 static struct dvb_usb_device_properties az6007_props = {
887 .driver_name = KBUILD_MODNAME,
888 .owner = THIS_MODULE,
889 .firmware = AZ6007_FIRMWARE,
890
891 .adapter_nr = adapter_nr,
892 .size_of_priv = sizeof(struct az6007_device_state),
893 .i2c_algo = &az6007_i2c_algo,
894 .tuner_attach = az6007_tuner_attach,
895 .frontend_attach = az6007_frontend_attach,
896 .streaming_ctrl = az6007_streaming_ctrl,
897 .get_rc_config = az6007_get_rc_config,
898 .read_mac_address = az6007_read_mac_addr,
899 .download_firmware = az6007_download_firmware,
900 .identify_state = az6007_identify_state,
901 .power_ctrl = az6007_power_ctrl,
902 .num_adapters = 1,
903 .adapter = {
904 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
905 }
906 };
907
908 static struct dvb_usb_device_properties az6007_cablestar_hdci_props = {
909 .driver_name = KBUILD_MODNAME,
910 .owner = THIS_MODULE,
911 .firmware = AZ6007_FIRMWARE,
912
913 .adapter_nr = adapter_nr,
914 .size_of_priv = sizeof(struct az6007_device_state),
915 .i2c_algo = &az6007_i2c_algo,
916 .tuner_attach = az6007_tuner_attach,
917 .frontend_attach = az6007_cablestar_hdci_frontend_attach,
918 .streaming_ctrl = az6007_streaming_ctrl,
919 /* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */
920 .get_rc_config = NULL,
921 .read_mac_address = az6007_read_mac_addr,
922 .download_firmware = az6007_download_firmware,
923 .identify_state = az6007_identify_state,
924 .power_ctrl = az6007_power_ctrl,
925 .num_adapters = 1,
926 .adapter = {
927 { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
928 }
929 };
930
931 static struct usb_device_id az6007_usb_table[] = {
932 {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
933 &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
934 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
935 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
936 {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
937 &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
938 {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI,
939 &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)},
940 {0},
941 };
942
943 MODULE_DEVICE_TABLE(usb, az6007_usb_table);
944
945 static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
946 {
947 struct dvb_usb_device *d = usb_get_intfdata(intf);
948
949 az6007_ci_uninit(d);
950 return dvb_usbv2_suspend(intf, msg);
951 }
952
953 static int az6007_resume(struct usb_interface *intf)
954 {
955 struct dvb_usb_device *d = usb_get_intfdata(intf);
956 struct dvb_usb_adapter *adap = &d->adapter[0];
957
958 az6007_ci_init(adap);
959 return dvb_usbv2_resume(intf);
960 }
961
962 /* usb specific object needed to register this driver with the usb subsystem */
963 static struct usb_driver az6007_usb_driver = {
964 .name = KBUILD_MODNAME,
965 .id_table = az6007_usb_table,
966 .probe = dvb_usbv2_probe,
967 .disconnect = az6007_usb_disconnect,
968 .no_dynamic_id = 1,
969 .soft_unbind = 1,
970 /*
971 * FIXME: need to implement reset_resume, likely with
972 * dvb-usb-v2 core support
973 */
974 .suspend = az6007_suspend,
975 .resume = az6007_resume,
976 };
977
978 module_usb_driver(az6007_usb_driver);
979
980 MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
981 MODULE_AUTHOR("Mauro Carvalho Chehab");
982 MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
983 MODULE_VERSION("2.0");
984 MODULE_LICENSE("GPL");
985 MODULE_FIRMWARE(AZ6007_FIRMWARE);
Linux with added FPC-III support