Merge branch 'for-2.6.30' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[linux-2.6] / drivers / media / dvb / dvb-usb / vp702x.c
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"
18
19 /* debug */
20 int dvb_usb_vp702x_debug;
21 module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
22 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
23
24 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
25
26 struct vp702x_state {
27         int pid_filter_count;
28         int pid_filter_can_bypass;
29         u8  pid_filter_state;
30 };
31
32 struct vp702x_device_state {
33         u8 power_state;
34 };
35
36 /* check for mutex FIXME */
37 int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
38 {
39         int ret = -1;
40
41                 ret = usb_control_msg(d->udev,
42                         usb_rcvctrlpipe(d->udev,0),
43                         req,
44                         USB_TYPE_VENDOR | USB_DIR_IN,
45                         value,index,b,blen,
46                         2000);
47
48         if (ret < 0) {
49                 warn("usb in operation failed. (%d)", ret);
50                 ret = -EIO;
51         } else
52                 ret = 0;
53
54
55         deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
56         debug_dump(b,blen,deb_xfer);
57
58         return ret;
59 }
60
61 static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
62                              u16 index, u8 *b, int blen)
63 {
64         int ret;
65         deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
66         debug_dump(b,blen,deb_xfer);
67
68         if ((ret = usb_control_msg(d->udev,
69                         usb_sndctrlpipe(d->udev,0),
70                         req,
71                         USB_TYPE_VENDOR | USB_DIR_OUT,
72                         value,index,b,blen,
73                         2000)) != blen) {
74                 warn("usb out operation failed. (%d)",ret);
75                 return -EIO;
76         } else
77                 return 0;
78 }
79
80 int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
81 {
82         int ret;
83
84         if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
85                 return ret;
86
87         ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen);
88         msleep(msec);
89         ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
90
91         mutex_unlock(&d->usb_mutex);
92
93         return ret;
94 }
95
96 static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o,
97                                 int olen, u8 *i, int ilen, int msec)
98 {
99         u8 bout[olen+2];
100         u8 bin[ilen+1];
101         int ret = 0;
102
103         bout[0] = 0x00;
104         bout[1] = cmd;
105         memcpy(&bout[2],o,olen);
106
107         ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec);
108
109         if (ret == 0)
110                 memcpy(i,&bin[1],ilen);
111
112         return ret;
113 }
114
115 static int vp702x_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass)
116 {
117         u8 buf[16] = { 0 };
118         return vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e, 0, buf, 16);
119 }
120
121 static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state)
122 {
123         u8 buf[16] = { 0 };
124         return vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f, 0, buf, 16);
125 }
126
127 static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff)
128 {
129         struct vp702x_state *st = adap->priv;
130         u8 buf[16] = { 0 };
131
132         if (onoff)
133                 st->pid_filter_state |=  (1 << id);
134         else {
135                 st->pid_filter_state &= ~(1 << id);
136                 pid = 0xffff;
137         }
138
139         id = 0x10 + id*2;
140
141         vp702x_set_pld_state(adap, st->pid_filter_state);
142         vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16);
143         vp702x_usb_in_op(adap->dev, 0xe0, (((pid     ) & 0xff) << 8) | (id+1), 0, buf, 16);
144         return 0;
145 }
146
147
148 static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap)
149 {
150         struct vp702x_state *st = adap->priv;
151         int i;
152         u8 b[10] = { 0 };
153
154         st->pid_filter_count = 8;
155         st->pid_filter_can_bypass = 1;
156         st->pid_filter_state = 0x00;
157
158         vp702x_set_pld_mode(adap, 1); // bypass
159
160         for (i = 0; i < st->pid_filter_count; i++)
161                 vp702x_set_pid(adap, 0xffff, i, 1);
162
163         vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10);
164         vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10);
165         vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10);
166
167         //vp702x_set_pld_mode(d, 0); // filter
168         return 0;
169 }
170
171 static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
172 {
173         return 0;
174 }
175
176 /* keys for the enclosed remote control */
177 static struct dvb_usb_rc_key vp702x_rc_keys[] = {
178         { 0x00, 0x01, KEY_1 },
179         { 0x00, 0x02, KEY_2 },
180 };
181
182 /* remote control stuff (does not work with my box) */
183 static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
184 {
185         u8 key[10];
186         int i;
187
188 /* remove the following return to enabled remote querying */
189         return 0;
190
191         vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
192
193         deb_rc("remote query key: %x %d\n",key[1],key[1]);
194
195         if (key[1] == 0x44) {
196                 *state = REMOTE_NO_KEY_PRESSED;
197                 return 0;
198         }
199
200         for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++)
201                 if (vp702x_rc_keys[i].custom == key[1]) {
202                         *state = REMOTE_KEY_PRESSED;
203                         *event = vp702x_rc_keys[i].event;
204                         break;
205                 }
206         return 0;
207 }
208
209
210 static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
211 {
212         u8 i;
213         for (i = 6; i < 12; i++)
214                 vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1, &mac[i - 6], 1);
215         return 0;
216 }
217
218 static int vp702x_frontend_attach(struct dvb_usb_adapter *adap)
219 {
220         u8 buf[10] = { 0 };
221
222         vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);
223
224         if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0, buf, 10, 10))
225                 return -EIO;
226
227         buf[9] = '\0';
228         info("system string: %s",&buf[1]);
229
230         vp702x_init_pid_filter(adap);
231
232         adap->fe = vp702x_fe_attach(adap->dev);
233         vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);
234
235         return 0;
236 }
237
238 static struct dvb_usb_device_properties vp702x_properties;
239
240 static int vp702x_usb_probe(struct usb_interface *intf,
241                 const struct usb_device_id *id)
242 {
243         return dvb_usb_device_init(intf, &vp702x_properties,
244                                    THIS_MODULE, NULL, adapter_nr);
245 }
246
247 static struct usb_device_id vp702x_usb_table [] = {
248             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
249 //          { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
250 //          { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
251             { 0 },
252 };
253 MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
254
255 static struct dvb_usb_device_properties vp702x_properties = {
256         .usb_ctrl = CYPRESS_FX2,
257         .firmware            = "dvb-usb-vp702x-02.fw",
258         .no_reconnect        = 1,
259
260         .size_of_priv     = sizeof(struct vp702x_device_state),
261
262         .num_adapters = 1,
263         .adapter = {
264                 {
265                         .caps             = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
266
267                         .streaming_ctrl   = vp702x_streaming_ctrl,
268                         .frontend_attach  = vp702x_frontend_attach,
269
270                         /* parameter for the MPEG2-data transfer */
271                         .stream = {
272                                 .type = USB_BULK,
273                                 .count = 10,
274                                 .endpoint = 0x02,
275                                 .u = {
276                                         .bulk = {
277                                                 .buffersize = 4096,
278                                         }
279                                 }
280                         },
281                         .size_of_priv     = sizeof(struct vp702x_state),
282                 }
283         },
284         .read_mac_address = vp702x_read_mac_addr,
285
286         .rc_key_map       = vp702x_rc_keys,
287         .rc_key_map_size  = ARRAY_SIZE(vp702x_rc_keys),
288         .rc_interval      = 400,
289         .rc_query         = vp702x_rc_query,
290
291         .num_device_descs = 1,
292         .devices = {
293                 { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
294                   .cold_ids = { &vp702x_usb_table[0], NULL },
295                   .warm_ids = { NULL },
296                 },
297 /*              { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
298                   .cold_ids = { &vp702x_usb_table[2], NULL },
299                   .warm_ids = { &vp702x_usb_table[3], NULL },
300                 },
301 */              { NULL },
302         }
303 };
304
305 /* usb specific object needed to register this driver with the usb subsystem */
306 static struct usb_driver vp702x_usb_driver = {
307         .name           = "dvb_usb_vp702x",
308         .probe          = vp702x_usb_probe,
309         .disconnect = dvb_usb_device_exit,
310         .id_table       = vp702x_usb_table,
311 };
312
313 /* module stuff */
314 static int __init vp702x_usb_module_init(void)
315 {
316         int result;
317         if ((result = usb_register(&vp702x_usb_driver))) {
318                 err("usb_register failed. (%d)",result);
319                 return result;
320         }
321
322         return 0;
323 }
324
325 static void __exit vp702x_usb_module_exit(void)
326 {
327         /* deregister this driver from the USB subsystem */
328         usb_deregister(&vp702x_usb_driver);
329 }
330
331 module_init(vp702x_usb_module_init);
332 module_exit(vp702x_usb_module_exit);
333
334 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
335 MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
336 MODULE_VERSION("1.0");
337 MODULE_LICENSE("GPL");