1 /* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
4 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
6 * partly based on the SDK published by Nebula Electronics
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation, version 2.
12 * see Documentation/dvb/README.dvb-usb for more information
20 int dvb_usb_digitv_debug;
21 module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
22 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
24 static int digitv_ctrl_msg(struct dvb_usb_device *d,
25 u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
27 int wo = (rbuf == NULL || rlen == 0); /* write-only */
28 u8 sndbuf[7],rcvbuf[7];
29 memset(sndbuf,0,7); memset(rcvbuf,0,7);
33 sndbuf[2] = wo ? wlen : rlen;
36 memcpy(&sndbuf[3],wbuf,wlen);
37 dvb_usb_generic_write(d,sndbuf,7);
39 dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
40 memcpy(rbuf,&rcvbuf[3],rlen);
46 static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
48 struct dvb_usb_device *d = i2c_get_adapdata(adap);
51 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
55 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
57 for (i = 0; i < num; i++) {
58 /* write/read request */
59 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
60 if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
61 msg[i+1].buf,msg[i+1].len) < 0)
65 if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
66 &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
70 mutex_unlock(&d->i2c_mutex);
74 static u32 digitv_i2c_func(struct i2c_adapter *adapter)
79 static struct i2c_algorithm digitv_i2c_algo = {
80 .master_xfer = digitv_i2c_xfer,
81 .functionality = digitv_i2c_func,
84 /* Callbacks for DVB USB */
85 static int digitv_identify_state (struct usb_device *udev, struct
86 dvb_usb_properties *props, struct dvb_usb_device_description **desc,
89 *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
93 static int digitv_mt352_demod_init(struct dvb_frontend *fe)
95 static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
96 static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
97 0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
98 0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
102 for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
103 mt352_write(fe, &reset_buf[i], 2);
107 for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
108 mt352_write(fe, &init_buf[i], 2);
113 static struct mt352_config digitv_mt352_config = {
114 .demod_init = digitv_mt352_demod_init,
117 static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
119 struct dvb_usb_device *d = fe->dvb->priv;
121 dvb_usb_tuner_calc_regs(fe,fep,b, 5);
122 return digitv_ctrl_msg(d,USB_WRITE_TUNER,0,&b[1],4,NULL,0);
125 static struct nxt6000_config digitv_nxt6000_config = {
126 .clock_inversion = 1,
129 static int digitv_frontend_attach(struct dvb_usb_device *d)
131 if ((d->fe = dvb_attach(mt352_attach, &digitv_mt352_config, &d->i2c_adap)) != NULL) {
132 d->fe->ops.tuner_ops.calc_regs = dvb_usb_tuner_calc_regs;
135 if ((d->fe = dvb_attach(nxt6000_attach, &digitv_nxt6000_config, &d->i2c_adap)) != NULL) {
136 d->fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
142 static int digitv_tuner_attach(struct dvb_usb_device *d)
145 d->pll_desc = &dvb_pll_tded4;
149 static struct dvb_usb_rc_key digitv_rc_keys[] = {
150 { 0x5f, 0x55, KEY_0 },
151 { 0x6f, 0x55, KEY_1 },
152 { 0x9f, 0x55, KEY_2 },
153 { 0xaf, 0x55, KEY_3 },
154 { 0x5f, 0x56, KEY_4 },
155 { 0x6f, 0x56, KEY_5 },
156 { 0x9f, 0x56, KEY_6 },
157 { 0xaf, 0x56, KEY_7 },
158 { 0x5f, 0x59, KEY_8 },
159 { 0x6f, 0x59, KEY_9 },
160 { 0x9f, 0x59, KEY_TV },
161 { 0xaf, 0x59, KEY_AUX },
162 { 0x5f, 0x5a, KEY_DVD },
163 { 0x6f, 0x5a, KEY_POWER },
164 { 0x9f, 0x5a, KEY_MHP }, /* labelled 'Picture' */
165 { 0xaf, 0x5a, KEY_AUDIO },
166 { 0x5f, 0x65, KEY_INFO },
167 { 0x6f, 0x65, KEY_F13 }, /* 16:9 */
168 { 0x9f, 0x65, KEY_F14 }, /* 14:9 */
169 { 0xaf, 0x65, KEY_EPG },
170 { 0x5f, 0x66, KEY_EXIT },
171 { 0x6f, 0x66, KEY_MENU },
172 { 0x9f, 0x66, KEY_UP },
173 { 0xaf, 0x66, KEY_DOWN },
174 { 0x5f, 0x69, KEY_LEFT },
175 { 0x6f, 0x69, KEY_RIGHT },
176 { 0x9f, 0x69, KEY_ENTER },
177 { 0xaf, 0x69, KEY_CHANNELUP },
178 { 0x5f, 0x6a, KEY_CHANNELDOWN },
179 { 0x6f, 0x6a, KEY_VOLUMEUP },
180 { 0x9f, 0x6a, KEY_VOLUMEDOWN },
181 { 0xaf, 0x6a, KEY_RED },
182 { 0x5f, 0x95, KEY_GREEN },
183 { 0x6f, 0x95, KEY_YELLOW },
184 { 0x9f, 0x95, KEY_BLUE },
185 { 0xaf, 0x95, KEY_SUBTITLE },
186 { 0x5f, 0x96, KEY_F15 }, /* AD */
187 { 0x6f, 0x96, KEY_TEXT },
188 { 0x9f, 0x96, KEY_MUTE },
189 { 0xaf, 0x96, KEY_REWIND },
190 { 0x5f, 0x99, KEY_STOP },
191 { 0x6f, 0x99, KEY_PLAY },
192 { 0x9f, 0x99, KEY_FASTFORWARD },
193 { 0xaf, 0x99, KEY_F16 }, /* chapter */
194 { 0x5f, 0x9a, KEY_PAUSE },
195 { 0x6f, 0x9a, KEY_PLAY },
196 { 0x9f, 0x9a, KEY_RECORD },
197 { 0xaf, 0x9a, KEY_F17 }, /* picture in picture */
198 { 0x5f, 0xa5, KEY_KPPLUS }, /* zoom in */
199 { 0x6f, 0xa5, KEY_KPMINUS }, /* zoom out */
200 { 0x9f, 0xa5, KEY_F18 }, /* capture */
201 { 0xaf, 0xa5, KEY_F19 }, /* web */
202 { 0x5f, 0xa6, KEY_EMAIL },
203 { 0x6f, 0xa6, KEY_PHONE },
204 { 0x9f, 0xa6, KEY_PC },
207 static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
214 *state = REMOTE_NO_KEY_PRESSED;
216 digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
218 /* Tell the device we've read the remote. Not sure how necessary
219 this is, but the Nebula SDK does it. */
220 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
222 /* if something is inside the buffer, simulate key press */
225 for (i = 0; i < d->props.rc_key_map_size; i++) {
226 if (d->props.rc_key_map[i].custom == key[1] &&
227 d->props.rc_key_map[i].data == key[2]) {
228 *event = d->props.rc_key_map[i].event;
229 *state = REMOTE_KEY_PRESSED;
236 deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
240 /* DVB USB Driver stuff */
241 static struct dvb_usb_properties digitv_properties;
243 static int digitv_probe(struct usb_interface *intf,
244 const struct usb_device_id *id)
246 struct dvb_usb_device *d;
248 if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) {
251 if (d != NULL) { /* do that only when the firmware is loaded */
253 digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
256 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
262 static struct usb_device_id digitv_table [] = {
263 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
264 { } /* Terminating entry */
266 MODULE_DEVICE_TABLE (usb, digitv_table);
268 static struct dvb_usb_properties digitv_properties = {
269 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
271 .usb_ctrl = CYPRESS_FX2,
272 .firmware = "dvb-usb-digitv-02.fw",
276 .frontend_attach = digitv_frontend_attach,
277 .tuner_attach = digitv_tuner_attach,
280 .rc_key_map = digitv_rc_keys,
281 .rc_key_map_size = ARRAY_SIZE(digitv_rc_keys),
282 .rc_query = digitv_rc_query,
284 .identify_state = digitv_identify_state,
286 .i2c_algo = &digitv_i2c_algo,
288 .generic_bulk_ctrl_endpoint = 0x01,
289 /* parameter for the MPEG2-data transfer */
291 .type = DVB_USB_BULK,
301 .num_device_descs = 1,
303 { "Nebula Electronics uDigiTV DVB-T USB2.0)",
304 { &digitv_table[0], NULL },
311 static struct usb_driver digitv_driver = {
312 .name = "dvb_usb_digitv",
313 .probe = digitv_probe,
314 .disconnect = dvb_usb_device_exit,
315 .id_table = digitv_table,
319 static int __init digitv_module_init(void)
322 if ((result = usb_register(&digitv_driver))) {
323 err("usb_register failed. Error number %d",result);
330 static void __exit digitv_module_exit(void)
332 /* deregister this driver from the USB subsystem */
333 usb_deregister(&digitv_driver);
336 module_init (digitv_module_init);
337 module_exit (digitv_module_exit);
339 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
340 MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
341 MODULE_VERSION("1.0-alpha");
342 MODULE_LICENSE("GPL");