1 /* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
4 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.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 static 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 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
26 #define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args)
28 static int digitv_ctrl_msg(struct dvb_usb_device *d,
29 u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
31 struct digitv_state *st = d->priv;
34 wo = (rbuf == NULL || rlen == 0); /* write-only */
36 if (wlen > 4 || rlen > 4)
39 memset(st->sndbuf, 0, 7);
40 memset(st->rcvbuf, 0, 7);
44 st->sndbuf[2] = wo ? wlen : rlen;
47 memcpy(&st->sndbuf[3], wbuf, wlen);
48 ret = dvb_usb_generic_write(d, st->sndbuf, 7);
50 ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10);
51 memcpy(rbuf, &st->rcvbuf[3], rlen);
57 static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
59 struct dvb_usb_device *d = i2c_get_adapdata(adap);
62 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
66 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
68 for (i = 0; i < num; i++) {
69 /* write/read request */
70 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
71 if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
72 msg[i+1].buf,msg[i+1].len) < 0)
76 if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
77 &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
81 mutex_unlock(&d->i2c_mutex);
85 static u32 digitv_i2c_func(struct i2c_adapter *adapter)
90 static struct i2c_algorithm digitv_i2c_algo = {
91 .master_xfer = digitv_i2c_xfer,
92 .functionality = digitv_i2c_func,
95 /* Callbacks for DVB USB */
96 static int digitv_identify_state (struct usb_device *udev, struct
97 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
100 *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
104 static int digitv_mt352_demod_init(struct dvb_frontend *fe)
106 static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
107 static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
108 0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
109 0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
113 for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
114 mt352_write(fe, &reset_buf[i], 2);
118 for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
119 mt352_write(fe, &init_buf[i], 2);
124 static struct mt352_config digitv_mt352_config = {
125 .demod_init = digitv_mt352_demod_init,
128 static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe)
130 struct dvb_usb_adapter *adap = fe->dvb->priv;
133 fe->ops.tuner_ops.calc_regs(fe, b, sizeof(b));
134 if (fe->ops.i2c_gate_ctrl)
135 fe->ops.i2c_gate_ctrl(fe, 1);
136 return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
139 static struct nxt6000_config digitv_nxt6000_config = {
140 .clock_inversion = 1,
143 static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
145 struct digitv_state *st = adap->dev->priv;
147 adap->fe_adap[0].fe = dvb_attach(mt352_attach, &digitv_mt352_config,
148 &adap->dev->i2c_adap);
149 if ((adap->fe_adap[0].fe) != NULL) {
153 adap->fe_adap[0].fe = dvb_attach(nxt6000_attach,
154 &digitv_nxt6000_config,
155 &adap->dev->i2c_adap);
156 if ((adap->fe_adap[0].fe) != NULL) {
163 static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
165 struct digitv_state *st = adap->dev->priv;
167 if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4))
171 adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
176 static struct rc_map_table rc_map_digitv_table[] = {
190 { 0x6f5a, KEY_POWER },
191 { 0x9f5a, KEY_CAMERA }, /* labelled 'Picture' */
192 { 0xaf5a, KEY_AUDIO },
193 { 0x5f65, KEY_INFO },
194 { 0x6f65, KEY_F13 }, /* 16:9 */
195 { 0x9f65, KEY_F14 }, /* 14:9 */
197 { 0x5f66, KEY_EXIT },
198 { 0x6f66, KEY_MENU },
200 { 0xaf66, KEY_DOWN },
201 { 0x5f69, KEY_LEFT },
202 { 0x6f69, KEY_RIGHT },
203 { 0x9f69, KEY_ENTER },
204 { 0xaf69, KEY_CHANNELUP },
205 { 0x5f6a, KEY_CHANNELDOWN },
206 { 0x6f6a, KEY_VOLUMEUP },
207 { 0x9f6a, KEY_VOLUMEDOWN },
209 { 0x5f95, KEY_GREEN },
210 { 0x6f95, KEY_YELLOW },
211 { 0x9f95, KEY_BLUE },
212 { 0xaf95, KEY_SUBTITLE },
213 { 0x5f96, KEY_F15 }, /* AD */
214 { 0x6f96, KEY_TEXT },
215 { 0x9f96, KEY_MUTE },
216 { 0xaf96, KEY_REWIND },
217 { 0x5f99, KEY_STOP },
218 { 0x6f99, KEY_PLAY },
219 { 0x9f99, KEY_FASTFORWARD },
220 { 0xaf99, KEY_F16 }, /* chapter */
221 { 0x5f9a, KEY_PAUSE },
222 { 0x6f9a, KEY_PLAY },
223 { 0x9f9a, KEY_RECORD },
224 { 0xaf9a, KEY_F17 }, /* picture in picture */
225 { 0x5fa5, KEY_KPPLUS }, /* zoom in */
226 { 0x6fa5, KEY_KPMINUS }, /* zoom out */
227 { 0x9fa5, KEY_F18 }, /* capture */
228 { 0xafa5, KEY_F19 }, /* web */
229 { 0x5fa6, KEY_EMAIL },
230 { 0x6fa6, KEY_PHONE },
234 static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
241 *state = REMOTE_NO_KEY_PRESSED;
243 ret = digitv_ctrl_msg(d, USB_READ_REMOTE, 0, NULL, 0, &key[1], 4);
247 /* Tell the device we've read the remote. Not sure how necessary
248 this is, but the Nebula SDK does it. */
249 ret = digitv_ctrl_msg(d, USB_WRITE_REMOTE, 0, b, 4, NULL, 0);
253 /* if something is inside the buffer, simulate key press */
256 for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
257 if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] &&
258 rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) {
259 *event = d->props.rc.legacy.rc_map_table[i].keycode;
260 *state = REMOTE_KEY_PRESSED;
267 deb_rc("key: %*ph\n", 5, key);
271 /* DVB USB Driver stuff */
272 static struct dvb_usb_device_properties digitv_properties;
274 static int digitv_probe(struct usb_interface *intf,
275 const struct usb_device_id *id)
277 struct dvb_usb_device *d;
278 int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
283 if (d != NULL) { /* do that only when the firmware is loaded */
285 digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
288 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
294 static struct usb_device_id digitv_table [] = {
295 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
296 { } /* Terminating entry */
298 MODULE_DEVICE_TABLE (usb, digitv_table);
300 static struct dvb_usb_device_properties digitv_properties = {
301 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
303 .usb_ctrl = CYPRESS_FX2,
304 .firmware = "/*(DEBLOBBED)*/",
306 .size_of_priv = sizeof(struct digitv_state),
313 .frontend_attach = digitv_frontend_attach,
314 .tuner_attach = digitv_tuner_attach,
316 /* parameter for the MPEG2-data transfer */
330 .identify_state = digitv_identify_state,
334 .rc_map_table = rc_map_digitv_table,
335 .rc_map_size = ARRAY_SIZE(rc_map_digitv_table),
336 .rc_query = digitv_rc_query,
339 .i2c_algo = &digitv_i2c_algo,
341 .generic_bulk_ctrl_endpoint = 0x01,
343 .num_device_descs = 1,
345 { "Nebula Electronics uDigiTV DVB-T USB2.0)",
346 { &digitv_table[0], NULL },
353 static struct usb_driver digitv_driver = {
354 .name = "dvb_usb_digitv",
355 .probe = digitv_probe,
356 .disconnect = dvb_usb_device_exit,
357 .id_table = digitv_table,
360 module_usb_driver(digitv_driver);
362 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
363 MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
364 MODULE_VERSION("1.0-alpha");
365 MODULE_LICENSE("GPL");