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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 struct digitv_state *st = d->priv;
32 int ret, wo;
33
34 wo = (rbuf == NULL || rlen == 0);
35
36 if (wlen > 4 || rlen > 4)
37 return -EIO;
38
39 memset(st->sndbuf, 0, 7);
40 memset(st->rcvbuf, 0, 7);
41
42 st->sndbuf[0] = cmd;
43 st->sndbuf[1] = vv;
44 st->sndbuf[2] = wo ? wlen : rlen;
45
46 if (wo) {
47 memcpy(&st->sndbuf[3], wbuf, wlen);
48 ret = dvb_usb_generic_write(d, st->sndbuf, 7);
49 } else {
50 ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10);
51 memcpy(rbuf, &st->rcvbuf[3], rlen);
52 }
53 return ret;
54}
55
56
57static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
58{
59 struct dvb_usb_device *d = i2c_get_adapdata(adap);
60 int i;
61
62 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
63 return -EAGAIN;
64
65 if (num > 2)
66 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
67
68 for (i = 0; i < num; i++) {
69
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)
73 break;
74 i++;
75 } else
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)
78 break;
79 }
80
81 mutex_unlock(&d->i2c_mutex);
82 return i;
83}
84
85static u32 digitv_i2c_func(struct i2c_adapter *adapter)
86{
87 return I2C_FUNC_I2C;
88}
89
90static struct i2c_algorithm digitv_i2c_algo = {
91 .master_xfer = digitv_i2c_xfer,
92 .functionality = digitv_i2c_func,
93};
94
95
96static int digitv_identify_state (struct usb_device *udev, struct
97 dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
98 int *cold)
99{
100 *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
101 return 0;
102}
103
104static int digitv_mt352_demod_init(struct dvb_frontend *fe)
105{
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,
110 0x75, 0x32 };
111 int i;
112
113 for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
114 mt352_write(fe, &reset_buf[i], 2);
115
116 msleep(1);
117
118 for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
119 mt352_write(fe, &init_buf[i], 2);
120
121 return 0;
122}
123
124static struct mt352_config digitv_mt352_config = {
125 .demod_init = digitv_mt352_demod_init,
126};
127
128static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe)
129{
130 struct dvb_usb_adapter *adap = fe->dvb->priv;
131 u8 b[5];
132
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);
137}
138
139static struct nxt6000_config digitv_nxt6000_config = {
140 .clock_inversion = 1,
141};
142
143static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
144{
145 struct digitv_state *st = adap->dev->priv;
146
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) {
150 st->is_nxt6000 = 0;
151 return 0;
152 }
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) {
157 st->is_nxt6000 = 1;
158 return 0;
159 }
160 return -EIO;
161}
162
163static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
164{
165 struct digitv_state *st = adap->dev->priv;
166
167 if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4))
168 return -ENODEV;
169
170 if (st->is_nxt6000)
171 adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
172
173 return 0;
174}
175
176static struct rc_map_table rc_map_digitv_table[] = {
177 { 0x5f55, KEY_0 },
178 { 0x6f55, KEY_1 },
179 { 0x9f55, KEY_2 },
180 { 0xaf55, KEY_3 },
181 { 0x5f56, KEY_4 },
182 { 0x6f56, KEY_5 },
183 { 0x9f56, KEY_6 },
184 { 0xaf56, KEY_7 },
185 { 0x5f59, KEY_8 },
186 { 0x6f59, KEY_9 },
187 { 0x9f59, KEY_TV },
188 { 0xaf59, KEY_AUX },
189 { 0x5f5a, KEY_DVD },
190 { 0x6f5a, KEY_POWER },
191 { 0x9f5a, KEY_CAMERA },
192 { 0xaf5a, KEY_AUDIO },
193 { 0x5f65, KEY_INFO },
194 { 0x6f65, KEY_F13 },
195 { 0x9f65, KEY_F14 },
196 { 0xaf65, KEY_EPG },
197 { 0x5f66, KEY_EXIT },
198 { 0x6f66, KEY_MENU },
199 { 0x9f66, KEY_UP },
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 },
208 { 0xaf6a, KEY_RED },
209 { 0x5f95, KEY_GREEN },
210 { 0x6f95, KEY_YELLOW },
211 { 0x9f95, KEY_BLUE },
212 { 0xaf95, KEY_SUBTITLE },
213 { 0x5f96, KEY_F15 },
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 },
221 { 0x5f9a, KEY_PAUSE },
222 { 0x6f9a, KEY_PLAY },
223 { 0x9f9a, KEY_RECORD },
224 { 0xaf9a, KEY_F17 },
225 { 0x5fa5, KEY_KPPLUS },
226 { 0x6fa5, KEY_KPMINUS },
227 { 0x9fa5, KEY_F18 },
228 { 0xafa5, KEY_F19 },
229 { 0x5fa6, KEY_EMAIL },
230 { 0x6fa6, KEY_PHONE },
231 { 0x9fa6, KEY_PC },
232};
233
234static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
235{
236 int i;
237 u8 key[5];
238 u8 b[4] = { 0 };
239
240 *event = 0;
241 *state = REMOTE_NO_KEY_PRESSED;
242
243 digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
244
245
246
247 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
248
249
250 if (key[1] != 0)
251 {
252 for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
253 if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] &&
254 rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) {
255 *event = d->props.rc.legacy.rc_map_table[i].keycode;
256 *state = REMOTE_KEY_PRESSED;
257 return 0;
258 }
259 }
260 }
261
262 if (key[0] != 0)
263 deb_rc("key: %*ph\n", 5, key);
264 return 0;
265}
266
267
268static struct dvb_usb_device_properties digitv_properties;
269
270static int digitv_probe(struct usb_interface *intf,
271 const struct usb_device_id *id)
272{
273 struct dvb_usb_device *d;
274 int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
275 adapter_nr);
276 if (ret == 0) {
277 u8 b[4] = { 0 };
278
279 if (d != NULL) {
280 b[0] = 1;
281 digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
282
283 b[0] = 0;
284 digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
285 }
286 }
287 return ret;
288}
289
290static struct usb_device_id digitv_table [] = {
291 { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
292 { }
293};
294MODULE_DEVICE_TABLE (usb, digitv_table);
295
296static struct dvb_usb_device_properties digitv_properties = {
297 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
298
299 .usb_ctrl = CYPRESS_FX2,
300 .firmware = "dvb-usb-digitv-02.fw",
301
302 .size_of_priv = sizeof(struct digitv_state),
303
304 .num_adapters = 1,
305 .adapter = {
306 {
307 .num_frontends = 1,
308 .fe = {{
309 .frontend_attach = digitv_frontend_attach,
310 .tuner_attach = digitv_tuner_attach,
311
312
313 .stream = {
314 .type = USB_BULK,
315 .count = 7,
316 .endpoint = 0x02,
317 .u = {
318 .bulk = {
319 .buffersize = 4096,
320 }
321 }
322 },
323 }},
324 }
325 },
326 .identify_state = digitv_identify_state,
327
328 .rc.legacy = {
329 .rc_interval = 1000,
330 .rc_map_table = rc_map_digitv_table,
331 .rc_map_size = ARRAY_SIZE(rc_map_digitv_table),
332 .rc_query = digitv_rc_query,
333 },
334
335 .i2c_algo = &digitv_i2c_algo,
336
337 .generic_bulk_ctrl_endpoint = 0x01,
338
339 .num_device_descs = 1,
340 .devices = {
341 { "Nebula Electronics uDigiTV DVB-T USB2.0)",
342 { &digitv_table[0], NULL },
343 { NULL },
344 },
345 { NULL },
346 }
347};
348
349static struct usb_driver digitv_driver = {
350 .name = "dvb_usb_digitv",
351 .probe = digitv_probe,
352 .disconnect = dvb_usb_device_exit,
353 .id_table = digitv_table,
354};
355
356module_usb_driver(digitv_driver);
357
358MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
359MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
360MODULE_VERSION("1.0-alpha");
361MODULE_LICENSE("GPL");
362