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14#include "digitv.h"
15
16#include "mt352.h"
17#include "nxt6000.h"
18
19
20static int dvb_usb_digitv_debug;
21module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
22MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
23
24DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
25
26#define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args)
27
28static int digitv_ctrl_msg(struct dvb_usb_device *d,
29 u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
30{
31 int wo = (rbuf == NULL || rlen == 0);
32 u8 sndbuf[7],rcvbuf[7];
33 memset(sndbuf,0,7); memset(rcvbuf,0,7);
34
35 sndbuf[0] = cmd;
36 sndbuf[1] = vv;
37 sndbuf[2] = wo ? wlen : rlen;
38
39 if (wo) {
40 memcpy(&sndbuf[3],wbuf,wlen);
41 dvb_usb_generic_write(d,sndbuf,7);
42 } else {
43 dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
44 memcpy(rbuf,&rcvbuf[3],rlen);
45 }
46 return 0;
47}
48
49
50static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
51{
52 struct dvb_usb_device *d = i2c_get_adapdata(adap);
53 int i;
54
55 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
56 return -EAGAIN;
57
58 if (num > 2)
59 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
60
61 for (i = 0; i < num; i++) {
62
63 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
64 if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
65 msg[i+1].buf,msg[i+1].len) < 0)
66 break;
67 i++;
68 } else
69 if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
70 &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
71 break;
72 }
73
74 mutex_unlock(&d->i2c_mutex);
75 return i;
76}
77
78static u32 digitv_i2c_func(struct i2c_adapter *adapter)
79{
80 return I2C_FUNC_I2C;
81}
82
83static struct i2c_algorithm digitv_i2c_algo = {
84 .master_xfer = digitv_i2c_xfer,
85 .functionality = digitv_i2c_func,
86};
87
88
89static int digitv_identify_state (struct usb_device *udev, struct
90 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
91 int *cold)
92{
93 *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
94 return 0;
95}
96
97static int digitv_mt352_demod_init(struct dvb_frontend *fe)
98{
99 static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
100 static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
101 0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
102 0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
103 0x75, 0x32 };
104 int i;
105
106 for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
107 mt352_write(fe, &reset_buf[i], 2);
108
109 msleep(1);
110
111 for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
112 mt352_write(fe, &init_buf[i], 2);
113
114 return 0;
115}
116
117static struct mt352_config digitv_mt352_config = {
118 .demod_init = digitv_mt352_demod_init,
119};
120
121static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe)
122{
123 struct dvb_usb_adapter *adap = fe->dvb->priv;
124 u8 b[5];
125
126 fe->ops.tuner_ops.calc_regs(fe, b, sizeof(b));
127 if (fe->ops.i2c_gate_ctrl)
128 fe->ops.i2c_gate_ctrl(fe, 1);
129 return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
130}
131
132static struct nxt6000_config digitv_nxt6000_config = {
133 .clock_inversion = 1,
134};
135
136static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
137{
138 struct digitv_state *st = adap->dev->priv;
139
140 adap->fe_adap[0].fe = dvb_attach(mt352_attach, &digitv_mt352_config,
141 &adap->dev->i2c_adap);
142 if ((adap->fe_adap[0].fe) != NULL) {
143 st->is_nxt6000 = 0;
144 return 0;
145 }
146 adap->fe_adap[0].fe = dvb_attach(nxt6000_attach,
147 &digitv_nxt6000_config,
148 &adap->dev->i2c_adap);
149 if ((adap->fe_adap[0].fe) != NULL) {
150 st->is_nxt6000 = 1;
151 return 0;
152 }
153 return -EIO;
154}
155
156static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
157{
158 struct digitv_state *st = adap->dev->priv;
159
160 if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4))
161 return -ENODEV;
162
163 if (st->is_nxt6000)
164 adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
165
166 return 0;
167}
168
169static struct rc_map_table rc_map_digitv_table[] = {
170 { 0x5f55, KEY_0 },
171 { 0x6f55, KEY_1 },
172 { 0x9f55, KEY_2 },
173 { 0xaf55, KEY_3 },
174 { 0x5f56, KEY_4 },
175 { 0x6f56, KEY_5 },
176 { 0x9f56, KEY_6 },
177 { 0xaf56, KEY_7 },
178 { 0x5f59, KEY_8 },
179 { 0x6f59, KEY_9 },
180 { 0x9f59, KEY_TV },
181 { 0xaf59, KEY_AUX },
182 { 0x5f5a, KEY_DVD },
183 { 0x6f5a, KEY_POWER },
184 { 0x9f5a, KEY_CAMERA },
185 { 0xaf5a, KEY_AUDIO },
186 { 0x5f65, KEY_INFO },
187 { 0x6f65, KEY_F13 },
188 { 0x9f65, KEY_F14 },
189 { 0xaf65, KEY_EPG },
190 { 0x5f66, KEY_EXIT },
191 { 0x6f66, KEY_MENU },
192 { 0x9f66, KEY_UP },
193 { 0xaf66, KEY_DOWN },
194 { 0x5f69, KEY_LEFT },
195 { 0x6f69, KEY_RIGHT },
196 { 0x9f69, KEY_ENTER },
197 { 0xaf69, KEY_CHANNELUP },
198 { 0x5f6a, KEY_CHANNELDOWN },
199 { 0x6f6a, KEY_VOLUMEUP },
200 { 0x9f6a, KEY_VOLUMEDOWN },
201 { 0xaf6a, KEY_RED },
202 { 0x5f95, KEY_GREEN },
203 { 0x6f95, KEY_YELLOW },
204 { 0x9f95, KEY_BLUE },
205 { 0xaf95, KEY_SUBTITLE },
206 { 0x5f96, KEY_F15 },
207 { 0x6f96, KEY_TEXT },
208 { 0x9f96, KEY_MUTE },
209 { 0xaf96, KEY_REWIND },
210 { 0x5f99, KEY_STOP },
211 { 0x6f99, KEY_PLAY },
212 { 0x9f99, KEY_FASTFORWARD },
213 { 0xaf99, KEY_F16 },
214 { 0x5f9a, KEY_PAUSE },
215 { 0x6f9a, KEY_PLAY },
216 { 0x9f9a, KEY_RECORD },
217 { 0xaf9a, KEY_F17 },
218 { 0x5fa5, KEY_KPPLUS },
219 { 0x6fa5, KEY_KPMINUS },
220 { 0x9fa5, KEY_F18 },
221 { 0xafa5, KEY_F19 },
222 { 0x5fa6, KEY_EMAIL },
223 { 0x6fa6, KEY_PHONE },
224 { 0x9fa6, KEY_PC },
225};
226
227static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
228{
229 int i;
230 u8 key[5];
231 u8 b[4] = { 0 };
232
233 *event = 0;
234 *state = REMOTE_NO_KEY_PRESSED;
235
236 digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
237
238
239
240 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
241
242
243 if (key[1] != 0)
244 {
245 for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
246 if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] &&
247 rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) {
248 *event = d->props.rc.legacy.rc_map_table[i].keycode;
249 *state = REMOTE_KEY_PRESSED;
250 return 0;
251 }
252 }
253 }
254
255 if (key[0] != 0)
256 deb_rc("key: %*ph\n", 5, key);
257 return 0;
258}
259
260
261static struct dvb_usb_device_properties digitv_properties;
262
263static int digitv_probe(struct usb_interface *intf,
264 const struct usb_device_id *id)
265{
266 struct dvb_usb_device *d;
267 int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
268 adapter_nr);
269 if (ret == 0) {
270 u8 b[4] = { 0 };
271
272 if (d != NULL) {
273 b[0] = 1;
274 digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
275
276 b[0] = 0;
277 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
278 }
279 }
280 return ret;
281}
282
283static struct usb_device_id digitv_table [] = {
284 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
285 { }
286};
287MODULE_DEVICE_TABLE (usb, digitv_table);
288
289static struct dvb_usb_device_properties digitv_properties = {
290 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
291
292 .usb_ctrl = CYPRESS_FX2,
293 .firmware = "dvb-usb-digitv-02.fw",
294
295 .size_of_priv = sizeof(struct digitv_state),
296
297 .num_adapters = 1,
298 .adapter = {
299 {
300 .num_frontends = 1,
301 .fe = {{
302 .frontend_attach = digitv_frontend_attach,
303 .tuner_attach = digitv_tuner_attach,
304
305
306 .stream = {
307 .type = USB_BULK,
308 .count = 7,
309 .endpoint = 0x02,
310 .u = {
311 .bulk = {
312 .buffersize = 4096,
313 }
314 }
315 },
316 }},
317 }
318 },
319 .identify_state = digitv_identify_state,
320
321 .rc.legacy = {
322 .rc_interval = 1000,
323 .rc_map_table = rc_map_digitv_table,
324 .rc_map_size = ARRAY_SIZE(rc_map_digitv_table),
325 .rc_query = digitv_rc_query,
326 },
327
328 .i2c_algo = &digitv_i2c_algo,
329
330 .generic_bulk_ctrl_endpoint = 0x01,
331
332 .num_device_descs = 1,
333 .devices = {
334 { "Nebula Electronics uDigiTV DVB-T USB2.0)",
335 { &digitv_table[0], NULL },
336 { NULL },
337 },
338 { NULL },
339 }
340};
341
342static struct usb_driver digitv_driver = {
343 .name = "dvb_usb_digitv",
344 .probe = digitv_probe,
345 .disconnect = dvb_usb_device_exit,
346 .id_table = digitv_table,
347};
348
349module_usb_driver(digitv_driver);
350
351MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
352MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
353MODULE_VERSION("1.0-alpha");
354MODULE_LICENSE("GPL");
355
