Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[linux-2.6.git] / drivers / media / dvb / dvb-usb / it913x.c
1 /* DVB USB compliant linux driver for IT9137
2  *
3  * Copyright (C) 2011 Malcolm Priestley (tvboxspy@gmail.com)
4  * IT9137 (C) ITE Tech Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License Version 2, as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  *
19  *
20  * see Documentation/dvb/README.dvb-usb for more information
21  * see Documentation/dvb/it9137.txt for firmware information
22  *
23  */
24 #define DVB_USB_LOG_PREFIX "it913x"
25
26 #include <linux/usb.h>
27 #include <linux/usb/input.h>
28 #include <media/rc-core.h>
29
30 #include "dvb-usb.h"
31 #include "it913x-fe.h"
32
33 /* debug */
34 static int dvb_usb_it913x_debug;
35 #define l_dprintk(var, level, args...) do { \
36         if ((var >= level)) \
37                 printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
38 } while (0)
39
40 #define deb_info(level, args...) l_dprintk(dvb_usb_it913x_debug, level, args)
41 #define debug_data_snipet(level, name, p) \
42          deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
43                 *p, *(p+1), *(p+2), *(p+3), *(p+4), \
44                         *(p+5), *(p+6), *(p+7));
45
46
47 module_param_named(debug, dvb_usb_it913x_debug, int, 0644);
48 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
49                         DVB_USB_DEBUG_STATUS);
50
51 static int pid_filter;
52 module_param_named(pid, pid_filter, int, 0644);
53 MODULE_PARM_DESC(pid, "set default 0=on 1=off");
54
55 static int dvb_usb_it913x_firmware;
56 module_param_named(firmware, dvb_usb_it913x_firmware, int, 0644);
57 MODULE_PARM_DESC(firmware, "set firmware 0=auto 1=IT9137 2=IT9135V1");
58
59
60 int cmd_counter;
61
62 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
63
64 struct it913x_state {
65         u8 id;
66         struct ite_config it913x_config;
67 };
68
69 struct ite_config it913x_config;
70
71 #define IT913X_RETRY    10
72 #define IT913X_SND_TIMEOUT      100
73 #define IT913X_RCV_TIMEOUT      200
74
75 static int it913x_bulk_write(struct usb_device *dev,
76                                 u8 *snd, int len, u8 pipe)
77 {
78         int ret, actual_l, i;
79
80         for (i = 0; i < IT913X_RETRY; i++) {
81                 ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
82                                 snd, len , &actual_l, IT913X_SND_TIMEOUT);
83                 if (ret == 0 || ret != -EBUSY || ret != -ETIMEDOUT)
84                         break;
85         }
86
87         if (len != actual_l && ret == 0)
88                 ret = -EAGAIN;
89
90         return ret;
91 }
92
93 static int it913x_bulk_read(struct usb_device *dev,
94                                 u8 *rev, int len, u8 pipe)
95 {
96         int ret, actual_l, i;
97
98         for (i = 0; i < IT913X_RETRY; i++) {
99                 ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
100                                  rev, len , &actual_l, IT913X_RCV_TIMEOUT);
101                 if (ret == 0 || ret != -EBUSY || ret != -ETIMEDOUT)
102                         break;
103         }
104
105         if (len != actual_l && ret == 0)
106                 ret = -EAGAIN;
107
108         return ret;
109 }
110
111 static u16 check_sum(u8 *p, u8 len)
112 {
113         u16 sum = 0;
114         u8 i = 1;
115         while (i < len)
116                 sum += (i++ & 1) ? (*p++) << 8 : *p++;
117         return ~sum;
118 }
119
120 static int it913x_usb_talk(struct usb_device *udev, u8 mode, u8 pro,
121                         u8 cmd, u32 reg, u8 addr, u8 *data, u8 len)
122 {
123         int ret = 0, i, buf_size = 1;
124         u8 *buff;
125         u8 rlen;
126         u16 chk_sum;
127
128         buff = kzalloc(256, GFP_KERNEL);
129         if (!buff) {
130                 info("USB Buffer Failed");
131                 return -ENOMEM;
132         }
133
134         buff[buf_size++] = pro;
135         buff[buf_size++] = cmd;
136         buff[buf_size++] = cmd_counter;
137
138         switch (mode) {
139         case READ_LONG:
140         case WRITE_LONG:
141                 buff[buf_size++] = len;
142                 buff[buf_size++] = 2;
143                 buff[buf_size++] = (reg >> 24);
144                 buff[buf_size++] = (reg >> 16) & 0xff;
145                 buff[buf_size++] = (reg >> 8) & 0xff;
146                 buff[buf_size++] = reg & 0xff;
147         break;
148         case READ_SHORT:
149                 buff[buf_size++] = addr;
150                 break;
151         case WRITE_SHORT:
152                 buff[buf_size++] = len;
153                 buff[buf_size++] = addr;
154                 buff[buf_size++] = (reg >> 8) & 0xff;
155                 buff[buf_size++] = reg & 0xff;
156         break;
157         case READ_DATA:
158         case WRITE_DATA:
159                 break;
160         case WRITE_CMD:
161                 mode = 7;
162                 break;
163         default:
164                 kfree(buff);
165                 return -EINVAL;
166         }
167
168         if (mode & 1) {
169                 for (i = 0; i < len ; i++)
170                         buff[buf_size++] = data[i];
171         }
172         chk_sum = check_sum(&buff[1], buf_size);
173
174         buff[buf_size++] = chk_sum >> 8;
175         buff[0] = buf_size;
176         buff[buf_size++] = (chk_sum & 0xff);
177
178         ret = it913x_bulk_write(udev, buff, buf_size , 0x02);
179         if (ret < 0)
180                 goto error;
181
182         ret = it913x_bulk_read(udev, buff, (mode & 1) ?
183                         5 : len + 5 , 0x01);
184         if (ret < 0)
185                 goto error;
186
187         rlen = (mode & 0x1) ? 0x1 : len;
188
189         if (mode & 1)
190                 ret = buff[2];
191         else
192                 memcpy(data, &buff[3], rlen);
193
194         cmd_counter++;
195
196 error:  kfree(buff);
197
198         return ret;
199 }
200
201 static int it913x_io(struct usb_device *udev, u8 mode, u8 pro,
202                         u8 cmd, u32 reg, u8 addr, u8 *data, u8 len)
203 {
204         int ret, i;
205
206         for (i = 0; i < IT913X_RETRY; i++) {
207                 ret = it913x_usb_talk(udev, mode, pro,
208                         cmd, reg, addr, data, len);
209                 if (ret != -EAGAIN)
210                         break;
211         }
212
213         return ret;
214 }
215
216 static int it913x_wr_reg(struct usb_device *udev, u8 pro, u32 reg , u8 data)
217 {
218         int ret;
219         u8 b[1];
220         b[0] = data;
221         ret = it913x_io(udev, WRITE_LONG, pro,
222                         CMD_DEMOD_WRITE, reg, 0, b, sizeof(b));
223
224         return ret;
225 }
226
227 static int it913x_read_reg(struct usb_device *udev, u32 reg)
228 {
229         int ret;
230         u8 data[1];
231
232         ret = it913x_io(udev, READ_LONG, DEV_0,
233                         CMD_DEMOD_READ, reg, 0, &data[0], 1);
234
235         return (ret < 0) ? ret : data[0];
236 }
237
238 static u32 it913x_query(struct usb_device *udev, u8 pro)
239 {
240         int ret;
241         u8 data[4];
242         ret = it913x_io(udev, READ_LONG, pro, CMD_DEMOD_READ,
243                 0x1222, 0, &data[0], 3);
244
245         it913x_config.chip_ver = data[0];
246         it913x_config.chip_type = (u16)(data[2] << 8) + data[1];
247
248         info("Chip Version=%02x Chip Type=%04x", it913x_config.chip_ver,
249                 it913x_config.chip_type);
250
251         ret |= it913x_io(udev, READ_SHORT, pro,
252                         CMD_QUERYINFO, 0, 0x1, &data[0], 4);
253
254         it913x_config.firmware = (data[0] << 24) + (data[1] << 16) +
255                         (data[2] << 8) + data[3];
256
257         return (ret < 0) ? 0 : it913x_config.firmware;
258 }
259
260 static int it913x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
261 {
262         struct usb_device *udev = adap->dev->udev;
263         int ret;
264         u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
265
266         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
267                         return -EAGAIN;
268         deb_info(1, "PID_C  (%02x)", onoff);
269
270         ret = it913x_wr_reg(udev, pro, PID_EN, onoff);
271
272         mutex_unlock(&adap->dev->i2c_mutex);
273         return ret;
274 }
275
276 static int it913x_pid_filter(struct dvb_usb_adapter *adap,
277                 int index, u16 pid, int onoff)
278 {
279         struct usb_device *udev = adap->dev->udev;
280         int ret;
281         u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
282
283         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
284                         return -EAGAIN;
285         deb_info(1, "PID_F  (%02x)", onoff);
286
287         ret = it913x_wr_reg(udev, pro, PID_LSB, (u8)(pid & 0xff));
288
289         ret |= it913x_wr_reg(udev, pro, PID_MSB, (u8)(pid >> 8));
290
291         ret |= it913x_wr_reg(udev, pro, PID_INX_EN, (u8)onoff);
292
293         ret |= it913x_wr_reg(udev, pro, PID_INX, (u8)(index & 0x1f));
294
295         mutex_unlock(&adap->dev->i2c_mutex);
296         return 0;
297 }
298
299
300 static int it913x_return_status(struct usb_device *udev)
301 {
302         u32 firm = 0;
303
304         firm = it913x_query(udev, DEV_0);
305         if (firm > 0)
306                 info("Firmware Version %d", firm);
307
308         return (firm > 0) ? firm : 0;
309 }
310
311 static int it913x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
312                                  int num)
313 {
314         struct dvb_usb_device *d = i2c_get_adapdata(adap);
315         static u8 data[256];
316         int ret;
317         u32 reg;
318         u8 pro;
319         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
320                         return -EAGAIN;
321
322         debug_data_snipet(1, "Message out", msg[0].buf);
323         deb_info(2, "num of messages %d address %02x", num, msg[0].addr);
324
325         pro = (msg[0].addr & 0x2) ?  DEV_0_DMOD : 0x0;
326         pro |= (msg[0].addr & 0x20) ? DEV_1 : DEV_0;
327         memcpy(data, msg[0].buf, msg[0].len);
328         reg = (data[0] << 24) + (data[1] << 16) +
329                         (data[2] << 8) + data[3];
330         if (num == 2) {
331                 ret = it913x_io(d->udev, READ_LONG, pro,
332                         CMD_DEMOD_READ, reg, 0, data, msg[1].len);
333                 memcpy(msg[1].buf, data, msg[1].len);
334         } else
335                 ret = it913x_io(d->udev, WRITE_LONG, pro, CMD_DEMOD_WRITE,
336                         reg, 0, &data[4], msg[0].len - 4);
337
338         mutex_unlock(&d->i2c_mutex);
339
340         return ret;
341 }
342
343 static u32 it913x_i2c_func(struct i2c_adapter *adapter)
344 {
345         return I2C_FUNC_I2C;
346 }
347
348 static struct i2c_algorithm it913x_i2c_algo = {
349         .master_xfer   = it913x_i2c_xfer,
350         .functionality = it913x_i2c_func,
351 };
352
353 /* Callbacks for DVB USB */
354 #define IT913X_POLL 250
355 static int it913x_rc_query(struct dvb_usb_device *d)
356 {
357         u8 ibuf[4];
358         int ret;
359         u32 key;
360         /* Avoid conflict with frontends*/
361         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
362                         return -EAGAIN;
363
364         ret = it913x_io(d->udev, READ_LONG, PRO_LINK, CMD_IR_GET,
365                 0, 0, &ibuf[0], sizeof(ibuf));
366
367         if ((ibuf[2] + ibuf[3]) == 0xff) {
368                 key = ibuf[2];
369                 key += ibuf[0] << 16;
370                 key += ibuf[1] << 8;
371                 deb_info(1, "NEC Extended Key =%08x", key);
372                 if (d->rc_dev != NULL)
373                         rc_keydown(d->rc_dev, key, 0);
374         }
375
376         mutex_unlock(&d->i2c_mutex);
377
378         return ret;
379 }
380
381 /* Firmware sets raw */
382 const char fw_it9135_v1[] = "dvb-usb-it9135-01.fw";
383 const char fw_it9135_v2[] = "dvb-usb-it9135-02.fw";
384 const char fw_it9137[] = "dvb-usb-it9137-01.fw";
385
386 static int ite_firmware_select(struct usb_device *udev,
387         struct dvb_usb_device_properties *props)
388 {
389         int sw;
390         /* auto switch */
391         if (le16_to_cpu(udev->descriptor.idProduct) ==
392                         USB_PID_ITETECH_IT9135)
393                 sw = IT9135_V1_FW;
394         else if (le16_to_cpu(udev->descriptor.idProduct) ==
395                         USB_PID_ITETECH_IT9135_9005)
396                 sw = IT9135_V1_FW;
397         else if (le16_to_cpu(udev->descriptor.idProduct) ==
398                         USB_PID_ITETECH_IT9135_9006) {
399                 sw = IT9135_V2_FW;
400                 if (it913x_config.tuner_id_0 == 0)
401                         it913x_config.tuner_id_0 = IT9135_60;
402         } else
403                 sw = IT9137_FW;
404
405         /* force switch */
406         if (dvb_usb_it913x_firmware != IT9135_AUTO)
407                 sw = dvb_usb_it913x_firmware;
408
409         switch (sw) {
410         case IT9135_V1_FW:
411                 it913x_config.firmware_ver = 1;
412                 it913x_config.adc_x2 = 1;
413                 props->firmware = fw_it9135_v1;
414                 break;
415         case IT9135_V2_FW:
416                 it913x_config.firmware_ver = 1;
417                 it913x_config.adc_x2 = 1;
418                 props->firmware = fw_it9135_v2;
419                 break;
420         case IT9137_FW:
421         default:
422                 it913x_config.firmware_ver = 0;
423                 it913x_config.adc_x2 = 0;
424                 props->firmware = fw_it9137;
425         }
426
427         return 0;
428 }
429
430 #define TS_MPEG_PKT_SIZE        188
431 #define EP_LOW                  21
432 #define TS_BUFFER_SIZE_PID      (EP_LOW*TS_MPEG_PKT_SIZE)
433 #define EP_HIGH                 348
434 #define TS_BUFFER_SIZE_MAX      (EP_HIGH*TS_MPEG_PKT_SIZE)
435
436 static int it913x_identify_state(struct usb_device *udev,
437                 struct dvb_usb_device_properties *props,
438                 struct dvb_usb_device_description **desc,
439                 int *cold)
440 {
441         int ret = 0, firm_no;
442         u8 reg, remote;
443
444         firm_no = it913x_return_status(udev);
445
446         /* checnk for dual mode */
447         it913x_config.dual_mode =  it913x_read_reg(udev, 0x49c5);
448
449         if (udev->speed != USB_SPEED_HIGH) {
450                 props->adapter[0].fe[0].pid_filter_count = 5;
451                 info("USB 1 low speed mode - connect to USB 2 port");
452                 if (pid_filter > 0)
453                         pid_filter = 0;
454                 if (it913x_config.dual_mode) {
455                         it913x_config.dual_mode = 0;
456                         info("Dual mode not supported in USB 1");
457                 }
458         } else /* For replugging */
459                 if(props->adapter[0].fe[0].pid_filter_count == 5)
460                         props->adapter[0].fe[0].pid_filter_count = 31;
461
462         /* TODO different remotes */
463         remote = it913x_read_reg(udev, 0x49ac); /* Remote */
464         if (remote == 0)
465                 props->rc.core.rc_codes = NULL;
466
467         /* TODO at the moment tuner_id is always assigned to 0x38 */
468         it913x_config.tuner_id_0 = it913x_read_reg(udev, 0x49d0);
469
470         info("Dual mode=%x Remote=%x Tuner Type=%x", it913x_config.dual_mode
471                 , remote, it913x_config.tuner_id_0);
472
473         /* Select Stream Buffer Size and pid filter option*/
474         if (pid_filter) {
475                 props->adapter[0].fe[0].stream.u.bulk.buffersize =
476                         TS_BUFFER_SIZE_MAX;
477                 props->adapter[0].fe[0].caps &=
478                         ~DVB_USB_ADAP_NEED_PID_FILTERING;
479         } else
480                 props->adapter[0].fe[0].stream.u.bulk.buffersize =
481                         TS_BUFFER_SIZE_PID;
482
483         if (it913x_config.dual_mode) {
484                 props->adapter[1].fe[0].stream.u.bulk.buffersize =
485                         props->adapter[0].fe[0].stream.u.bulk.buffersize;
486                 props->num_adapters = 2;
487                 if (pid_filter)
488                         props->adapter[1].fe[0].caps =
489                                 props->adapter[0].fe[0].caps;
490         } else
491                 props->num_adapters = 1;
492
493         ret = ite_firmware_select(udev, props);
494
495         if (firm_no > 0) {
496                 *cold = 0;
497                 return 0;
498         }
499
500         if (it913x_config.dual_mode) {
501                 it913x_config.tuner_id_1 = it913x_read_reg(udev, 0x49e0);
502                 ret = it913x_wr_reg(udev, DEV_0, GPIOH1_EN, 0x1);
503                 ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_ON, 0x1);
504                 ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x1);
505                 msleep(50);
506                 ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x0);
507                 msleep(50);
508                 reg = it913x_read_reg(udev, GPIOH1_O);
509                 if (reg == 0) {
510                         ret |= it913x_wr_reg(udev, DEV_0,  GPIOH1_O, 0x1);
511                         ret |= it913x_return_status(udev);
512                         if (ret != 0)
513                                 ret = it913x_wr_reg(udev, DEV_0,
514                                         GPIOH1_O, 0x0);
515                 }
516         }
517
518         reg = it913x_read_reg(udev, IO_MUX_POWER_CLK);
519
520         if (it913x_config.dual_mode) {
521                 ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, CHIP2_I2C_ADDR);
522                 if (it913x_config.firmware_ver == 1)
523                         ret |= it913x_wr_reg(udev, DEV_0,  0xcfff, 0x1);
524                 else
525                         ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x1);
526         } else {
527                 ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, 0x0);
528                 if (it913x_config.firmware_ver == 1)
529                         ret |= it913x_wr_reg(udev, DEV_0,  0xcfff, 0x0);
530                 else
531                         ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x0);
532         }
533
534         *cold = 1;
535
536         return (ret < 0) ? -ENODEV : 0;
537 }
538
539 static int it913x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
540 {
541         int ret = 0;
542         u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
543
544         if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
545                         return -EAGAIN;
546         deb_info(1, "STM  (%02x)", onoff);
547
548         if (!onoff)
549                 ret = it913x_wr_reg(adap->dev->udev, pro, PID_RST, 0x1);
550
551
552         mutex_unlock(&adap->dev->i2c_mutex);
553
554         return ret;
555 }
556
557 static int it913x_download_firmware(struct usb_device *udev,
558                                         const struct firmware *fw)
559 {
560         int ret = 0, i = 0, pos = 0;
561         u8 packet_size, min_pkt;
562         u8 *fw_data;
563
564         ret = it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_100);
565
566         info("FRM Starting Firmware Download");
567
568         /* Multi firmware loader */
569         /* This uses scatter write firmware headers */
570         /* The firmware must start with 03 XX 00 */
571         /* and be the extact firmware length */
572
573         if (it913x_config.chip_ver == 2)
574                 min_pkt = 0x11;
575         else
576                 min_pkt = 0x19;
577
578         while (i <= fw->size) {
579                 if (((fw->data[i] == 0x3) && (fw->data[i + 2] == 0x0))
580                         || (i == fw->size)) {
581                         packet_size = i - pos;
582                         if ((packet_size > min_pkt) || (i == fw->size)) {
583                                 fw_data = (u8 *)(fw->data + pos);
584                                 pos += packet_size;
585                                 if (packet_size > 0)
586                                         ret |= it913x_io(udev, WRITE_DATA,
587                                                 DEV_0, CMD_SCATTER_WRITE, 0,
588                                                 0, fw_data, packet_size);
589                                 udelay(1000);
590                         }
591                 }
592                 i++;
593         }
594
595         ret |= it913x_io(udev, WRITE_CMD, DEV_0, CMD_BOOT, 0, 0, NULL, 0);
596
597         msleep(100);
598
599         if (ret < 0)
600                 info("FRM Firmware Download Failed (%04x)" , ret);
601         else
602                 info("FRM Firmware Download Completed - Resetting Device");
603
604         ret |= it913x_return_status(udev);
605
606         msleep(30);
607
608         ret |= it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_400);
609
610         /* Tuner function */
611         if (it913x_config.dual_mode)
612                 ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0xa0);
613         else
614                 ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0x68);
615
616         if ((it913x_config.chip_ver == 1) &&
617                 (it913x_config.chip_type == 0x9135)) {
618                 ret |= it913x_wr_reg(udev, DEV_0,  PADODPU, 0x0);
619                 ret |= it913x_wr_reg(udev, DEV_0,  AGC_O_D, 0x0);
620                 if (it913x_config.dual_mode) {
621                         ret |= it913x_wr_reg(udev, DEV_1,  PADODPU, 0x0);
622                         ret |= it913x_wr_reg(udev, DEV_1,  AGC_O_D, 0x0);
623                 }
624         }
625
626         return (ret < 0) ? -ENODEV : 0;
627 }
628
629 static int it913x_name(struct dvb_usb_adapter *adap)
630 {
631         const char *desc = adap->dev->desc->name;
632         char *fe_name[] = {"_1", "_2", "_3", "_4"};
633         char *name = adap->fe_adap[0].fe->ops.info.name;
634
635         strlcpy(name, desc, 128);
636         strlcat(name, fe_name[adap->id], 128);
637
638         return 0;
639 }
640
641 static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
642 {
643         struct usb_device *udev = adap->dev->udev;
644         struct it913x_state *st = adap->dev->priv;
645         int ret = 0;
646         u8 adap_addr = I2C_BASE_ADDR + (adap->id << 5);
647         u16 ep_size = adap->props.fe[0].stream.u.bulk.buffersize / 4;
648         u8 pkt_size = 0x80;
649
650         if (adap->dev->udev->speed != USB_SPEED_HIGH)
651                 pkt_size = 0x10;
652
653         it913x_config.adf = it913x_read_reg(udev, IO_MUX_POWER_CLK);
654
655         if (adap->id == 0)
656                 memcpy(&st->it913x_config, &it913x_config,
657                         sizeof(struct ite_config));
658
659         adap->fe_adap[0].fe = dvb_attach(it913x_fe_attach,
660                 &adap->dev->i2c_adap, adap_addr, &st->it913x_config);
661
662         if (adap->id == 0 && adap->fe_adap[0].fe) {
663                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x1);
664                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_SW_RST, 0x1);
665                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x0f);
666                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_NAK, 0x1b);
667                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x2f);
668                 ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_LSB,
669                                         ep_size & 0xff);
670                 ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8);
671                 ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, pkt_size);
672         } else if (adap->id == 1 && adap->fe_adap[0].fe) {
673                 ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x6f);
674                 ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_LSB,
675                                         ep_size & 0xff);
676                 ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8);
677                 ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, pkt_size);
678                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_EN, 0x1);
679                 ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_SERIAL, 0x1);
680                 ret = it913x_wr_reg(udev, DEV_1, TOP_HOSTB_SER_MODE, 0x1);
681                 ret = it913x_wr_reg(udev, DEV_0_DMOD, TSIS_ENABLE, 0x1);
682                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x0);
683                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_SW_RST, 0x0);
684                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_HALF_PSB, 0x0);
685                 ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF_STOP_EN, 0x1);
686                 ret = it913x_wr_reg(udev, DEV_1_DMOD, MPEG_FULL_SPEED, 0x0);
687                 ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_STOP_EN, 0x0);
688         } else
689                 return -ENODEV;
690
691         ret = it913x_name(adap);
692
693         return ret;
694 }
695
696 /* DVB USB Driver */
697 static struct dvb_usb_device_properties it913x_properties;
698
699 static int it913x_probe(struct usb_interface *intf,
700                 const struct usb_device_id *id)
701 {
702         cmd_counter = 0;
703         if (0 == dvb_usb_device_init(intf, &it913x_properties,
704                                      THIS_MODULE, NULL, adapter_nr)) {
705                 info("DEV registering device driver");
706                 return 0;
707         }
708
709         info("DEV it913x Error");
710         return -ENODEV;
711
712 }
713
714 static struct usb_device_id it913x_table[] = {
715         { USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09) },
716         { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135) },
717         { USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137) },
718         { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005) },
719         { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006) },
720         {}              /* Terminating entry */
721 };
722
723 MODULE_DEVICE_TABLE(usb, it913x_table);
724
725 static struct dvb_usb_device_properties it913x_properties = {
726         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
727         .usb_ctrl = DEVICE_SPECIFIC,
728         .download_firmware = it913x_download_firmware,
729         .firmware = "dvb-usb-it9137-01.fw",
730         .no_reconnect = 1,
731         .size_of_priv = sizeof(struct it913x_state),
732         .num_adapters = 2,
733         .adapter = {
734                 {
735                 .num_frontends = 1,
736                 .fe = {{
737                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
738                                 DVB_USB_ADAP_NEED_PID_FILTERING|
739                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
740                         .streaming_ctrl   = it913x_streaming_ctrl,
741                         .pid_filter_count = 31,
742                         .pid_filter = it913x_pid_filter,
743                         .pid_filter_ctrl  = it913x_pid_filter_ctrl,
744                         .frontend_attach  = it913x_frontend_attach,
745                         /* parameter for the MPEG2-data transfer */
746                         .stream = {
747                                 .type = USB_BULK,
748                                 .count = 10,
749                                 .endpoint = 0x04,
750                                 .u = {/* Keep Low if PID filter on */
751                                         .bulk = {
752                                         .buffersize =
753                                                 TS_BUFFER_SIZE_PID,
754                                         }
755                                 }
756                         }
757                 }},
758                 },
759                         {
760                 .num_frontends = 1,
761                 .fe = {{
762                         .caps = DVB_USB_ADAP_HAS_PID_FILTER|
763                                 DVB_USB_ADAP_NEED_PID_FILTERING|
764                                 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
765                         .streaming_ctrl   = it913x_streaming_ctrl,
766                         .pid_filter_count = 31,
767                         .pid_filter = it913x_pid_filter,
768                         .pid_filter_ctrl  = it913x_pid_filter_ctrl,
769                         .frontend_attach  = it913x_frontend_attach,
770                         /* parameter for the MPEG2-data transfer */
771                         .stream = {
772                                 .type = USB_BULK,
773                                 .count = 5,
774                                 .endpoint = 0x05,
775                                 .u = {
776                                         .bulk = {
777                                                 .buffersize =
778                                                         TS_BUFFER_SIZE_PID,
779                                         }
780                                 }
781                         }
782                 }},
783                 }
784         },
785         .identify_state   = it913x_identify_state,
786         .rc.core = {
787                 .protocol       = RC_TYPE_NEC,
788                 .module_name    = "it913x",
789                 .rc_query       = it913x_rc_query,
790                 .rc_interval    = IT913X_POLL,
791                 .allowed_protos = RC_TYPE_NEC,
792                 .rc_codes       = RC_MAP_MSI_DIGIVOX_III,
793         },
794         .i2c_algo         = &it913x_i2c_algo,
795         .num_device_descs = 5,
796         .devices = {
797                 {   "Kworld UB499-2T T09(IT9137)",
798                         { &it913x_table[0], NULL },
799                         },
800                 {   "ITE 9135 Generic",
801                         { &it913x_table[1], NULL },
802                         },
803                 {   "Sveon STV22 Dual DVB-T HDTV(IT9137)",
804                         { &it913x_table[2], NULL },
805                         },
806                 {   "ITE 9135(9005) Generic",
807                         { &it913x_table[3], NULL },
808                         },
809                 {   "ITE 9135(9006) Generic",
810                         { &it913x_table[4], NULL },
811                         },
812         }
813 };
814
815 static struct usb_driver it913x_driver = {
816         .name           = "it913x",
817         .probe          = it913x_probe,
818         .disconnect     = dvb_usb_device_exit,
819         .id_table       = it913x_table,
820 };
821
822 module_usb_driver(it913x_driver);
823
824 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
825 MODULE_DESCRIPTION("it913x USB 2 Driver");
826 MODULE_VERSION("1.22");
827 MODULE_LICENSE("GPL");