Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
[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 struct vp702x_state {
25         int pid_filter_count;
26         int pid_filter_can_bypass;
27         u8  pid_filter_state;
28 };
29
30 struct vp702x_device_state {
31         u8 power_state;
32 };
33
34 /* check for mutex FIXME */
35 int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
36 {
37         int ret = -1;
38
39                 ret = usb_control_msg(d->udev,
40                         usb_rcvctrlpipe(d->udev,0),
41                         req,
42                         USB_TYPE_VENDOR | USB_DIR_IN,
43                         value,index,b,blen,
44                         2000);
45
46         if (ret < 0) {
47                 warn("usb in operation failed. (%d)", ret);
48                 ret = -EIO;
49         } else
50                 ret = 0;
51
52
53         deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
54         debug_dump(b,blen,deb_xfer);
55
56         return ret;
57 }
58
59 int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
60                              u16 index, u8 *b, int blen)
61 {
62         int ret;
63         deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
64         debug_dump(b,blen,deb_xfer);
65
66         if ((ret = usb_control_msg(d->udev,
67                         usb_sndctrlpipe(d->udev,0),
68                         req,
69                         USB_TYPE_VENDOR | USB_DIR_OUT,
70                         value,index,b,blen,
71                         2000)) != blen) {
72                 warn("usb out operation failed. (%d)",ret);
73                 return -EIO;
74         } else
75                 return 0;
76 }
77
78 int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
79 {
80         int ret;
81
82         if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
83                 return ret;
84
85         ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen);
86         msleep(msec);
87         ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
88
89         mutex_unlock(&d->usb_mutex);
90
91         return ret;
92 }
93
94 static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o,
95                                 int olen, u8 *i, int ilen, int msec)
96 {
97         u8 bout[olen+2];
98         u8 bin[ilen+1];
99         int ret = 0;
100
101         bout[0] = 0x00;
102         bout[1] = cmd;
103         memcpy(&bout[2],o,olen);
104
105         ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec);
106
107         if (ret == 0)
108                 memcpy(i,&bin[1],ilen);
109
110         return ret;
111 }
112
113 static int vp702x_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass)
114 {
115         u8 buf[16] = { 0 };
116         return vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e, 0, buf, 16);
117 }
118
119 static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state)
120 {
121         u8 buf[16] = { 0 };
122         return vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f, 0, buf, 16);
123 }
124
125 static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff)
126 {
127         struct vp702x_state *st = adap->priv;
128         u8 buf[16] = { 0 };
129
130         if (onoff)
131                 st->pid_filter_state |=  (1 << id);
132         else {
133                 st->pid_filter_state &= ~(1 << id);
134                 pid = 0xffff;
135         }
136
137         id = 0x10 + id*2;
138
139         vp702x_set_pld_state(adap, st->pid_filter_state);
140         vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16);
141         vp702x_usb_in_op(adap->dev, 0xe0, (((pid     ) & 0xff) << 8) | (id+1), 0, buf, 16);
142         return 0;
143 }
144
145
146 static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap)
147 {
148         struct vp702x_state *st = adap->priv;
149         int i;
150         u8 b[10] = { 0 };
151
152         st->pid_filter_count = 8;
153         st->pid_filter_can_bypass = 1;
154         st->pid_filter_state = 0x00;
155
156         vp702x_set_pld_mode(adap, 1); // bypass
157
158         for (i = 0; i < st->pid_filter_count; i++)
159                 vp702x_set_pid(adap, 0xffff, i, 1);
160
161         vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10);
162         vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10);
163         vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10);
164
165         //vp702x_set_pld_mode(d, 0); // filter
166         return 0;
167 }
168
169 static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
170 {
171         return 0;
172 }
173
174 /* keys for the enclosed remote control */
175 static struct dvb_usb_rc_key vp702x_rc_keys[] = {
176         { 0x00, 0x01, KEY_1 },
177         { 0x00, 0x02, KEY_2 },
178 };
179
180 /* remote control stuff (does not work with my box) */
181 static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
182 {
183         u8 key[10];
184         int i;
185
186 /* remove the following return to enabled remote querying */
187         return 0;
188
189         vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
190
191         deb_rc("remote query key: %x %d\n",key[1],key[1]);
192
193         if (key[1] == 0x44) {
194                 *state = REMOTE_NO_KEY_PRESSED;
195                 return 0;
196         }
197
198         for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++)
199                 if (vp702x_rc_keys[i].custom == key[1]) {
200                         *state = REMOTE_KEY_PRESSED;
201                         *event = vp702x_rc_keys[i].event;
202                         break;
203                 }
204         return 0;
205 }
206
207 int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff)
208 {
209         struct vp702x_device_state *st = d->priv;
210
211         if (st->power_state == 0 && onoff)
212                 vp702x_usb_out_op(d, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);
213         else if (st->power_state == 1 && onoff == 0)
214                 vp702x_usb_out_op(d, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);
215
216         st->power_state = onoff;
217
218         return 0;
219 }
220
221 static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
222 {
223         u8 i;
224         for (i = 6; i < 12; i++)
225                 vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1, &mac[i - 6], 1);
226         return 0;
227 }
228
229 static int vp702x_frontend_attach(struct dvb_usb_adapter *adap)
230 {
231         u8 buf[10] = { 0 };
232
233         vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);
234
235         if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0, buf, 10, 10))
236                 return -EIO;
237
238         buf[9] = '\0';
239         info("system string: %s",&buf[1]);
240
241         vp702x_init_pid_filter(adap);
242
243         adap->fe = vp702x_fe_attach(adap->dev);
244         vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);
245
246         return 0;
247 }
248
249 static struct dvb_usb_device_properties vp702x_properties;
250
251 static int vp702x_usb_probe(struct usb_interface *intf,
252                 const struct usb_device_id *id)
253 {
254         return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL);
255 }
256
257 static struct usb_device_id vp702x_usb_table [] = {
258             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
259 //          { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
260 //          { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
261             { 0 },
262 };
263 MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
264
265 static struct dvb_usb_device_properties vp702x_properties = {
266         .usb_ctrl = CYPRESS_FX2,
267         .firmware            = "dvb-usb-vp702x-02.fw",
268         .no_reconnect        = 1,
269
270         .size_of_priv     = sizeof(struct vp702x_device_state),
271
272         .num_adapters = 1,
273         .adapter = {
274                 {
275                         .caps             = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
276
277                         .streaming_ctrl   = vp702x_streaming_ctrl,
278         .frontend_attach  = vp702x_frontend_attach,
279
280         /* parameter for the MPEG2-data transfer */
281                         .stream = {
282                                 .type = USB_BULK,
283                                 .count = 10,
284                 .endpoint = 0x02,
285                 .u = {
286                         .bulk = {
287                                 .buffersize = 4096,
288                         }
289                 }
290         },
291                         .size_of_priv     = sizeof(struct vp702x_state),
292                 }
293                 },
294         .read_mac_address = vp702x_read_mac_addr,
295
296         .rc_key_map       = vp702x_rc_keys,
297         .rc_key_map_size  = ARRAY_SIZE(vp702x_rc_keys),
298         .rc_interval      = 400,
299         .rc_query         = vp702x_rc_query,
300
301         .num_device_descs = 1,
302         .devices = {
303                 { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
304                   .cold_ids = { &vp702x_usb_table[0], NULL },
305                   .warm_ids = { NULL },
306                 },
307 /*              { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
308                   .cold_ids = { &vp702x_usb_table[2], NULL },
309                   .warm_ids = { &vp702x_usb_table[3], NULL },
310                 },
311 */              { NULL },
312         }
313 };
314
315 /* usb specific object needed to register this driver with the usb subsystem */
316 static struct usb_driver vp702x_usb_driver = {
317         .name           = "dvb_usb_vp702x",
318         .probe          = vp702x_usb_probe,
319         .disconnect = dvb_usb_device_exit,
320         .id_table       = vp702x_usb_table,
321 };
322
323 /* module stuff */
324 static int __init vp702x_usb_module_init(void)
325 {
326         int result;
327         if ((result = usb_register(&vp702x_usb_driver))) {
328                 err("usb_register failed. (%d)",result);
329                 return result;
330         }
331
332         return 0;
333 }
334
335 static void __exit vp702x_usb_module_exit(void)
336 {
337         /* deregister this driver from the USB subsystem */
338         usb_deregister(&vp702x_usb_driver);
339 }
340
341 module_init(vp702x_usb_module_init);
342 module_exit(vp702x_usb_module_exit);
343
344 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
345 MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
346 MODULE_VERSION("1.0");
347 MODULE_LICENSE("GPL");