Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / dvb-usb / vp702x.c
CommitLineData
3706a4da
PB
1/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S
2 * receiver.
3 *
4 * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
5 * Metzler Brothers Systementwicklung GbR
6 *
7 * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de>
8 *
9 * Thanks to Twinhan who kindly provided hardware and information.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation, version 2.
14 *
15 * see Documentation/dvb/README.dvb-usb for more information
16 */
17#include "vp702x.h"
1c6410f3 18#include <linux/mutex.h>
3706a4da
PB
19
20/* debug */
21int dvb_usb_vp702x_debug;
22module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
23MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
24
78e92006
JG
25DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
26
36f773e8 27struct vp702x_adapter_state {
0540c496
PB
28 int pid_filter_count;
29 int pid_filter_can_bypass;
30 u8 pid_filter_state;
31};
32
9a187c41
FM
33static int vp702x_usb_in_op_unlocked(struct dvb_usb_device *d, u8 req,
34 u16 value, u16 index, u8 *b, int blen)
3706a4da 35{
d30615d8 36 int ret;
3706a4da 37
d30615d8
FM
38 ret = usb_control_msg(d->udev,
39 usb_rcvctrlpipe(d->udev, 0),
40 req,
41 USB_TYPE_VENDOR | USB_DIR_IN,
42 value, index, b, blen,
43 2000);
3706a4da 44
0540c496
PB
45 if (ret < 0) {
46 warn("usb in operation failed. (%d)", ret);
3706a4da
PB
47 ret = -EIO;
48 } else
49 ret = 0;
50
0540c496
PB
51
52 deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
3706a4da
PB
53 debug_dump(b,blen,deb_xfer);
54
55 return ret;
56}
57
9a187c41
FM
58int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value,
59 u16 index, u8 *b, int blen)
60{
61 int ret;
62
63 mutex_lock(&d->usb_mutex);
64 ret = vp702x_usb_in_op_unlocked(d, req, value, index, b, blen);
65 mutex_unlock(&d->usb_mutex);
66
67 return ret;
68}
69
70int vp702x_usb_out_op_unlocked(struct dvb_usb_device *d, u8 req, u16 value,
71 u16 index, u8 *b, int blen)
3706a4da 72{
0540c496
PB
73 int ret;
74 deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
3706a4da
PB
75 debug_dump(b,blen,deb_xfer);
76
0540c496 77 if ((ret = usb_control_msg(d->udev,
3706a4da
PB
78 usb_sndctrlpipe(d->udev,0),
79 req,
80 USB_TYPE_VENDOR | USB_DIR_OUT,
81 value,index,b,blen,
0540c496
PB
82 2000)) != blen) {
83 warn("usb out operation failed. (%d)",ret);
3706a4da
PB
84 return -EIO;
85 } else
86 return 0;
87}
88
9a187c41
FM
89int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
90 u16 index, u8 *b, int blen)
91{
92 int ret;
93
94 mutex_lock(&d->usb_mutex);
95 ret = vp702x_usb_out_op_unlocked(d, req, value, index, b, blen);
96 mutex_unlock(&d->usb_mutex);
97
98 return ret;
99}
100
3706a4da
PB
101int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
102{
103 int ret;
104
3593cab5 105 if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
3706a4da
PB
106 return ret;
107
9a187c41 108 ret = vp702x_usb_out_op_unlocked(d, REQUEST_OUT, 0, 0, o, olen);
3706a4da 109 msleep(msec);
9a187c41 110 ret = vp702x_usb_in_op_unlocked(d, REQUEST_IN, 0, 0, i, ilen);
3706a4da 111
3593cab5 112 mutex_unlock(&d->usb_mutex);
3706a4da
PB
113 return ret;
114}
115
703cb2cb
AB
116static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o,
117 int olen, u8 *i, int ilen, int msec)
3706a4da 118{
ee52f120 119 struct vp702x_device_state *st = d->priv;
3706a4da 120 int ret = 0;
57873c72
FM
121 u8 *buf;
122 int buflen = max(olen + 2, ilen + 1);
3706a4da 123
ee52f120
FM
124 ret = mutex_lock_interruptible(&st->buf_mutex);
125 if (ret < 0)
126 return ret;
127
128 if (buflen > st->buf_len) {
129 buf = kmalloc(buflen, GFP_KERNEL);
130 if (!buf) {
131 mutex_unlock(&st->buf_mutex);
132 return -ENOMEM;
133 }
134 info("successfully reallocated a bigger buffer");
135 kfree(st->buf);
136 st->buf = buf;
137 st->buf_len = buflen;
138 } else {
139 buf = st->buf;
140 }
3706a4da 141
57873c72
FM
142 buf[0] = 0x00;
143 buf[1] = cmd;
144 memcpy(&buf[2], o, olen);
145
146 ret = vp702x_usb_inout_op(d, buf, olen+2, buf, ilen+1, msec);
3706a4da
PB
147
148 if (ret == 0)
57873c72 149 memcpy(i, &buf[1], ilen);
ee52f120 150 mutex_unlock(&st->buf_mutex);
3706a4da
PB
151
152 return ret;
153}
154
0540c496
PB
155static int vp702x_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass)
156{
57873c72 157 int ret;
8ea793aa
FM
158 struct vp702x_device_state *st = adap->dev->priv;
159 u8 *buf;
160
161 mutex_lock(&st->buf_mutex);
162
163 buf = st->buf;
164 memset(buf, 0, 16);
57873c72
FM
165
166 ret = vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e,
167 0, buf, 16);
8ea793aa 168 mutex_unlock(&st->buf_mutex);
57873c72 169 return ret;
0540c496
PB
170}
171
172static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state)
173{
57873c72 174 int ret;
8ea793aa
FM
175 struct vp702x_device_state *st = adap->dev->priv;
176 u8 *buf;
177
178 mutex_lock(&st->buf_mutex);
57873c72 179
8ea793aa
FM
180 buf = st->buf;
181 memset(buf, 0, 16);
57873c72
FM
182 ret = vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f,
183 0, buf, 16);
8ea793aa
FM
184
185 mutex_unlock(&st->buf_mutex);
186
57873c72 187 return ret;
0540c496
PB
188}
189
190static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff)
3706a4da 191{
36f773e8 192 struct vp702x_adapter_state *st = adap->priv;
8ea793aa 193 struct vp702x_device_state *dst = adap->dev->priv;
57873c72
FM
194 u8 *buf;
195
0540c496
PB
196 if (onoff)
197 st->pid_filter_state |= (1 << id);
198 else {
199 st->pid_filter_state &= ~(1 << id);
200 pid = 0xffff;
3706a4da
PB
201 }
202
0540c496
PB
203 id = 0x10 + id*2;
204
205 vp702x_set_pld_state(adap, st->pid_filter_state);
8ea793aa
FM
206
207 mutex_lock(&dst->buf_mutex);
208
209 buf = dst->buf;
210 memset(buf, 0, 16);
0540c496
PB
211 vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16);
212 vp702x_usb_in_op(adap->dev, 0xe0, (((pid ) & 0xff) << 8) | (id+1), 0, buf, 16);
57873c72 213
8ea793aa
FM
214 mutex_unlock(&dst->buf_mutex);
215
0540c496 216 return 0;
3706a4da
PB
217}
218
0540c496
PB
219
220static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap)
3706a4da 221{
36f773e8 222 struct vp702x_adapter_state *st = adap->priv;
8ea793aa 223 struct vp702x_device_state *dst = adap->dev->priv;
0540c496 224 int i;
57873c72
FM
225 u8 *b;
226
0540c496
PB
227 st->pid_filter_count = 8;
228 st->pid_filter_can_bypass = 1;
229 st->pid_filter_state = 0x00;
230
57873c72 231 vp702x_set_pld_mode(adap, 1); /* bypass */
0540c496
PB
232
233 for (i = 0; i < st->pid_filter_count; i++)
234 vp702x_set_pid(adap, 0xffff, i, 1);
235
8ea793aa
FM
236 mutex_lock(&dst->buf_mutex);
237 b = dst->buf;
238 memset(b, 0, 10);
0540c496
PB
239 vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10);
240 vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10);
241 vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10);
8ea793aa
FM
242 mutex_unlock(&dst->buf_mutex);
243 /*vp702x_set_pld_mode(d, 0); // filter */
0540c496 244
0540c496
PB
245 return 0;
246}
247
248static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
249{
250 return 0;
3706a4da
PB
251}
252
253/* keys for the enclosed remote control */
2f4f58d6 254static struct rc_map_table rc_map_vp702x_table[] = {
2e365883
MCC
255 { 0x0001, KEY_1 },
256 { 0x0002, KEY_2 },
3706a4da
PB
257};
258
259/* remote control stuff (does not work with my box) */
260static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
261{
57873c72 262 u8 *key;
3706a4da
PB
263 int i;
264
265/* remove the following return to enabled remote querying */
266 return 0;
267
57873c72
FM
268 key = kmalloc(10, GFP_KERNEL);
269 if (!key)
270 return -ENOMEM;
271
3706a4da
PB
272 vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
273
274 deb_rc("remote query key: %x %d\n",key[1],key[1]);
275
276 if (key[1] == 0x44) {
277 *state = REMOTE_NO_KEY_PRESSED;
57873c72 278 kfree(key);
3706a4da
PB
279 return 0;
280 }
281
2f4f58d6
MCC
282 for (i = 0; i < ARRAY_SIZE(rc_map_vp702x_table); i++)
283 if (rc5_custom(&rc_map_vp702x_table[i]) == key[1]) {
3706a4da 284 *state = REMOTE_KEY_PRESSED;
2f4f58d6 285 *event = rc_map_vp702x_table[i].keycode;
3706a4da
PB
286 break;
287 }
57873c72 288 kfree(key);
3706a4da
PB
289 return 0;
290}
291
0540c496 292
3706a4da
PB
293static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
294{
57873c72 295 u8 i, *buf;
8ea793aa 296 struct vp702x_device_state *st = d->priv;
57873c72 297
8ea793aa
FM
298 mutex_lock(&st->buf_mutex);
299 buf = st->buf;
0540c496 300 for (i = 6; i < 12; i++)
57873c72
FM
301 vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1, &buf[i - 6], 1);
302
303 memcpy(mac, buf, 6);
8ea793aa 304 mutex_unlock(&st->buf_mutex);
3706a4da
PB
305 return 0;
306}
307
4d43e13f 308static int vp702x_frontend_attach(struct dvb_usb_adapter *adap)
3706a4da 309{
0540c496
PB
310 u8 buf[10] = { 0 };
311
312 vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);
3706a4da 313
d30615d8
FM
314 if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0,
315 buf, 10, 10))
3706a4da
PB
316 return -EIO;
317
0540c496 318 buf[9] = '\0';
3706a4da
PB
319 info("system string: %s",&buf[1]);
320
0540c496
PB
321 vp702x_init_pid_filter(adap);
322
4d43e13f 323 adap->fe = vp702x_fe_attach(adap->dev);
0540c496
PB
324 vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);
325
3706a4da
PB
326 return 0;
327}
328
4d43e13f 329static struct dvb_usb_device_properties vp702x_properties;
3706a4da
PB
330
331static int vp702x_usb_probe(struct usb_interface *intf,
332 const struct usb_device_id *id)
333{
1c6410f3
FM
334 struct dvb_usb_device *d;
335 struct vp702x_device_state *st;
336 int ret;
337
338 ret = dvb_usb_device_init(intf, &vp702x_properties,
339 THIS_MODULE, &d, adapter_nr);
340 if (ret)
341 goto out;
342
343 st = d->priv;
344 st->buf_len = 16;
345 st->buf = kmalloc(st->buf_len, GFP_KERNEL);
346 if (!st->buf) {
347 ret = -ENOMEM;
348 dvb_usb_device_exit(intf);
349 goto out;
350 }
351 mutex_init(&st->buf_mutex);
352
353out:
354 return ret;
355
356}
357
358static void vp702x_usb_disconnect(struct usb_interface *intf)
359{
360 struct dvb_usb_device *d = usb_get_intfdata(intf);
361 struct vp702x_device_state *st = d->priv;
362 mutex_lock(&st->buf_mutex);
363 kfree(st->buf);
364 mutex_unlock(&st->buf_mutex);
365 dvb_usb_device_exit(intf);
3706a4da
PB
366}
367
368static struct usb_device_id vp702x_usb_table [] = {
369 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
0540c496
PB
370// { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
371// { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
3706a4da
PB
372 { 0 },
373};
374MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
375
4d43e13f 376static struct dvb_usb_device_properties vp702x_properties = {
3706a4da 377 .usb_ctrl = CYPRESS_FX2,
0540c496
PB
378 .firmware = "dvb-usb-vp702x-02.fw",
379 .no_reconnect = 1,
380
381 .size_of_priv = sizeof(struct vp702x_device_state),
3706a4da 382
4d43e13f
PB
383 .num_adapters = 1,
384 .adapter = {
385 {
0540c496 386 .caps = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
4d43e13f 387
0540c496 388 .streaming_ctrl = vp702x_streaming_ctrl,
01451e72 389 .frontend_attach = vp702x_frontend_attach,
0540c496 390
01451e72 391 /* parameter for the MPEG2-data transfer */
4d43e13f
PB
392 .stream = {
393 .type = USB_BULK,
0540c496 394 .count = 10,
01451e72
PB
395 .endpoint = 0x02,
396 .u = {
397 .bulk = {
398 .buffersize = 4096,
399 }
400 }
401 },
36f773e8 402 .size_of_priv = sizeof(struct vp702x_adapter_state),
0540c496 403 }
01451e72 404 },
4d43e13f
PB
405 .read_mac_address = vp702x_read_mac_addr,
406
f72a27b8 407 .rc.legacy = {
2f4f58d6
MCC
408 .rc_map_table = rc_map_vp702x_table,
409 .rc_map_size = ARRAY_SIZE(rc_map_vp702x_table),
f72a27b8
MCC
410 .rc_interval = 400,
411 .rc_query = vp702x_rc_query,
412 },
3706a4da 413
0540c496 414 .num_device_descs = 1,
3706a4da
PB
415 .devices = {
416 { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
417 .cold_ids = { &vp702x_usb_table[0], NULL },
0540c496 418 .warm_ids = { NULL },
3706a4da 419 },
0540c496 420/* { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
3706a4da
PB
421 .cold_ids = { &vp702x_usb_table[2], NULL },
422 .warm_ids = { &vp702x_usb_table[3], NULL },
423 },
0540c496 424*/ { NULL },
3706a4da
PB
425 }
426};
427
428/* usb specific object needed to register this driver with the usb subsystem */
429static struct usb_driver vp702x_usb_driver = {
0540c496 430 .name = "dvb_usb_vp702x",
d30615d8 431 .probe = vp702x_usb_probe,
1c6410f3 432 .disconnect = vp702x_usb_disconnect,
d30615d8 433 .id_table = vp702x_usb_table,
3706a4da
PB
434};
435
436/* module stuff */
437static int __init vp702x_usb_module_init(void)
438{
439 int result;
440 if ((result = usb_register(&vp702x_usb_driver))) {
441 err("usb_register failed. (%d)",result);
442 return result;
443 }
444
445 return 0;
446}
447
448static void __exit vp702x_usb_module_exit(void)
449{
450 /* deregister this driver from the USB subsystem */
451 usb_deregister(&vp702x_usb_driver);
452}
453
454module_init(vp702x_usb_module_init);
455module_exit(vp702x_usb_module_exit);
456
457MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
458MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
0540c496 459MODULE_VERSION("1.0");
3706a4da 460MODULE_LICENSE("GPL");