xref: /linux/drivers/media/usb/dvb-usb/opera1.c (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 /* DVB USB framework compliant Linux driver for the Opera1 DVB-S Card
2 *
3 * Copyright (C) 2006 Mario Hlawitschka (dh1pa@amsat.org)
4 * Copyright (C) 2006 Marco Gittler (g.marco@freenet.de)
5 *
6 *	This program is free software; you can redistribute it and/or modify it
7 *	under the terms of the GNU General Public License as published by the Free
8 *	Software Foundation, version 2.
9 *
10 * see Documentation/dvb/README.dvb-usb for more information
11 */
12 
13 #define DVB_USB_LOG_PREFIX "opera"
14 
15 #include "dvb-usb.h"
16 #include "stv0299.h"
17 
18 #define OPERA_READ_MSG 0
19 #define OPERA_WRITE_MSG 1
20 #define OPERA_I2C_TUNER 0xd1
21 
22 #define READ_FX2_REG_REQ  0xba
23 #define READ_MAC_ADDR 0x08
24 #define OPERA_WRITE_FX2 0xbb
25 #define OPERA_TUNER_REQ 0xb1
26 #define REG_1F_SYMBOLRATE_BYTE0 0x1f
27 #define REG_20_SYMBOLRATE_BYTE1 0x20
28 #define REG_21_SYMBOLRATE_BYTE2 0x21
29 
30 #define ADDR_B600_VOLTAGE_13V (0x02)
31 #define ADDR_B601_VOLTAGE_18V (0x03)
32 #define ADDR_B1A6_STREAM_CTRL (0x04)
33 #define ADDR_B880_READ_REMOTE (0x05)
34 
35 struct opera1_state {
36 	u32 last_key_pressed;
37 };
38 struct rc_map_opera_table {
39 	u32 keycode;
40 	u32 event;
41 };
42 
43 static int dvb_usb_opera1_debug;
44 module_param_named(debug, dvb_usb_opera1_debug, int, 0644);
45 MODULE_PARM_DESC(debug,
46 		 "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64 (or-able))."
47 		 DVB_USB_DEBUG_STATUS);
48 
49 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
50 
51 
52 static int opera1_xilinx_rw(struct usb_device *dev, u8 request, u16 value,
53 			    u8 * data, u16 len, int flags)
54 {
55 	int ret;
56 	u8 tmp;
57 	u8 *buf;
58 	unsigned int pipe = (flags == OPERA_READ_MSG) ?
59 		usb_rcvctrlpipe(dev,0) : usb_sndctrlpipe(dev, 0);
60 	u8 request_type = (flags == OPERA_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
61 
62 	buf = kmalloc(len, GFP_KERNEL);
63 	if (!buf)
64 		return -ENOMEM;
65 
66 	if (flags == OPERA_WRITE_MSG)
67 		memcpy(buf, data, len);
68 	ret = usb_control_msg(dev, pipe, request,
69 			request_type | USB_TYPE_VENDOR, value, 0x0,
70 			buf, len, 2000);
71 
72 	if (request == OPERA_TUNER_REQ) {
73 		tmp = buf[0];
74 		if (usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
75 			    OPERA_TUNER_REQ, USB_DIR_IN | USB_TYPE_VENDOR,
76 			    0x01, 0x0, buf, 1, 2000) < 1 || buf[0] != 0x08) {
77 			ret = 0;
78 			goto out;
79 		}
80 		buf[0] = tmp;
81 	}
82 	if (flags == OPERA_READ_MSG)
83 		memcpy(data, buf, len);
84 out:
85 	kfree(buf);
86 	return ret;
87 }
88 
89 /* I2C */
90 
91 static int opera1_usb_i2c_msgxfer(struct dvb_usb_device *dev, u16 addr,
92 				  u8 * buf, u16 len)
93 {
94 	int ret = 0;
95 	u8 request;
96 	u16 value;
97 
98 	if (!dev) {
99 		info("no usb_device");
100 		return -EINVAL;
101 	}
102 	if (mutex_lock_interruptible(&dev->usb_mutex) < 0)
103 		return -EAGAIN;
104 
105 	switch (addr>>1){
106 		case ADDR_B600_VOLTAGE_13V:
107 			request=0xb6;
108 			value=0x00;
109 			break;
110 		case ADDR_B601_VOLTAGE_18V:
111 			request=0xb6;
112 			value=0x01;
113 			break;
114 		case ADDR_B1A6_STREAM_CTRL:
115 			request=0xb1;
116 			value=0xa6;
117 			break;
118 		case ADDR_B880_READ_REMOTE:
119 			request=0xb8;
120 			value=0x80;
121 			break;
122 		default:
123 			request=0xb1;
124 			value=addr;
125 	}
126 	ret = opera1_xilinx_rw(dev->udev, request,
127 		value, buf, len,
128 		addr&0x01?OPERA_READ_MSG:OPERA_WRITE_MSG);
129 
130 	mutex_unlock(&dev->usb_mutex);
131 	return ret;
132 }
133 
134 static int opera1_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
135 			   int num)
136 {
137 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
138 	int i = 0, tmp = 0;
139 
140 	if (!d)
141 		return -ENODEV;
142 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
143 		return -EAGAIN;
144 
145 	for (i = 0; i < num; i++) {
146 		if ((tmp = opera1_usb_i2c_msgxfer(d,
147 					(msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0),
148 					msg[i].buf,
149 					msg[i].len
150 					)) != msg[i].len) {
151 			break;
152 		}
153 		if (dvb_usb_opera1_debug & 0x10)
154 			info("sending i2c message %d %d", tmp, msg[i].len);
155 	}
156 	mutex_unlock(&d->i2c_mutex);
157 	return num;
158 }
159 
160 static u32 opera1_i2c_func(struct i2c_adapter *adapter)
161 {
162 	return I2C_FUNC_I2C;
163 }
164 
165 static struct i2c_algorithm opera1_i2c_algo = {
166 	.master_xfer = opera1_i2c_xfer,
167 	.functionality = opera1_i2c_func,
168 };
169 
170 static int opera1_set_voltage(struct dvb_frontend *fe,
171 			      enum fe_sec_voltage voltage)
172 {
173 	static u8 command_13v[1]={0x00};
174 	static u8 command_18v[1]={0x01};
175 	struct i2c_msg msg[] = {
176 		{.addr = ADDR_B600_VOLTAGE_13V,.flags = 0,.buf = command_13v,.len = 1},
177 	};
178 	struct dvb_usb_adapter *udev_adap =
179 	    (struct dvb_usb_adapter *)(fe->dvb->priv);
180 	if (voltage == SEC_VOLTAGE_18) {
181 		msg[0].addr = ADDR_B601_VOLTAGE_18V;
182 		msg[0].buf = command_18v;
183 	}
184 	i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);
185 	return 0;
186 }
187 
188 static int opera1_stv0299_set_symbol_rate(struct dvb_frontend *fe, u32 srate,
189 					  u32 ratio)
190 {
191 	stv0299_writereg(fe, 0x13, 0x98);
192 	stv0299_writereg(fe, 0x14, 0x95);
193 	stv0299_writereg(fe, REG_1F_SYMBOLRATE_BYTE0, (ratio >> 16) & 0xff);
194 	stv0299_writereg(fe, REG_20_SYMBOLRATE_BYTE1, (ratio >> 8) & 0xff);
195 	stv0299_writereg(fe, REG_21_SYMBOLRATE_BYTE2, (ratio) & 0xf0);
196 	return 0;
197 
198 }
199 static u8 opera1_inittab[] = {
200 	0x00, 0xa1,
201 	0x01, 0x15,
202 	0x02, 0x30,
203 	0x03, 0x00,
204 	0x04, 0x7d,
205 	0x05, 0x05,
206 	0x06, 0x02,
207 	0x07, 0x00,
208 	0x0b, 0x00,
209 	0x0c, 0x01,
210 	0x0d, 0x81,
211 	0x0e, 0x44,
212 	0x0f, 0x19,
213 	0x10, 0x3f,
214 	0x11, 0x84,
215 	0x12, 0xda,
216 	0x13, 0x98,
217 	0x14, 0x95,
218 	0x15, 0xc9,
219 	0x16, 0xeb,
220 	0x17, 0x00,
221 	0x18, 0x19,
222 	0x19, 0x8b,
223 	0x1a, 0x00,
224 	0x1b, 0x82,
225 	0x1c, 0x7f,
226 	0x1d, 0x00,
227 	0x1e, 0x00,
228 	REG_1F_SYMBOLRATE_BYTE0, 0x06,
229 	REG_20_SYMBOLRATE_BYTE1, 0x50,
230 	REG_21_SYMBOLRATE_BYTE2, 0x10,
231 	0x22, 0x00,
232 	0x23, 0x00,
233 	0x24, 0x37,
234 	0x25, 0xbc,
235 	0x26, 0x00,
236 	0x27, 0x00,
237 	0x28, 0x00,
238 	0x29, 0x1e,
239 	0x2a, 0x14,
240 	0x2b, 0x1f,
241 	0x2c, 0x09,
242 	0x2d, 0x0a,
243 	0x2e, 0x00,
244 	0x2f, 0x00,
245 	0x30, 0x00,
246 	0x31, 0x1f,
247 	0x32, 0x19,
248 	0x33, 0xfc,
249 	0x34, 0x13,
250 	0xff, 0xff,
251 };
252 
253 static struct stv0299_config opera1_stv0299_config = {
254 	.demod_address = 0xd0>>1,
255 	.min_delay_ms = 100,
256 	.mclk = 88000000UL,
257 	.invert = 1,
258 	.skip_reinit = 0,
259 	.lock_output = STV0299_LOCKOUTPUT_0,
260 	.volt13_op0_op1 = STV0299_VOLT13_OP0,
261 	.inittab = opera1_inittab,
262 	.set_symbol_rate = opera1_stv0299_set_symbol_rate,
263 };
264 
265 static int opera1_frontend_attach(struct dvb_usb_adapter *d)
266 {
267 	d->fe_adap[0].fe = dvb_attach(stv0299_attach, &opera1_stv0299_config,
268 				      &d->dev->i2c_adap);
269 	if ((d->fe_adap[0].fe) != NULL) {
270 		d->fe_adap[0].fe->ops.set_voltage = opera1_set_voltage;
271 		return 0;
272 	}
273 	info("not attached stv0299");
274 	return -EIO;
275 }
276 
277 static int opera1_tuner_attach(struct dvb_usb_adapter *adap)
278 {
279 	dvb_attach(
280 		dvb_pll_attach, adap->fe_adap[0].fe, 0xc0>>1,
281 		&adap->dev->i2c_adap, DVB_PLL_OPERA1
282 	);
283 	return 0;
284 }
285 
286 static int opera1_power_ctrl(struct dvb_usb_device *d, int onoff)
287 {
288 	u8 val = onoff ? 0x01 : 0x00;
289 
290 	if (dvb_usb_opera1_debug)
291 		info("power %s", onoff ? "on" : "off");
292 	return opera1_xilinx_rw(d->udev, 0xb7, val,
293 				&val, 1, OPERA_WRITE_MSG);
294 }
295 
296 static int opera1_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
297 {
298 	static u8 buf_start[2] = { 0xff, 0x03 };
299 	static u8 buf_stop[2] = { 0xff, 0x00 };
300 	struct i2c_msg start_tuner[] = {
301 		{.addr = ADDR_B1A6_STREAM_CTRL,.buf = onoff ? buf_start : buf_stop,.len = 2},
302 	};
303 	if (dvb_usb_opera1_debug)
304 		info("streaming %s", onoff ? "on" : "off");
305 	i2c_transfer(&adap->dev->i2c_adap, start_tuner, 1);
306 	return 0;
307 }
308 
309 static int opera1_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
310 			     int onoff)
311 {
312 	u8 b_pid[3];
313 	struct i2c_msg msg[] = {
314 		{.addr = ADDR_B1A6_STREAM_CTRL,.buf = b_pid,.len = 3},
315 	};
316 	if (dvb_usb_opera1_debug)
317 		info("pidfilter index: %d pid: %d %s", index, pid,
318 			onoff ? "on" : "off");
319 	b_pid[0] = (2 * index) + 4;
320 	b_pid[1] = onoff ? (pid & 0xff) : (0x00);
321 	b_pid[2] = onoff ? ((pid >> 8) & 0xff) : (0x00);
322 	i2c_transfer(&adap->dev->i2c_adap, msg, 1);
323 	return 0;
324 }
325 
326 static int opera1_pid_filter_control(struct dvb_usb_adapter *adap, int onoff)
327 {
328 	int u = 0x04;
329 	u8 b_pid[3];
330 	struct i2c_msg msg[] = {
331 		{.addr = ADDR_B1A6_STREAM_CTRL,.buf = b_pid,.len = 3},
332 	};
333 	if (dvb_usb_opera1_debug)
334 		info("%s hw-pidfilter", onoff ? "enable" : "disable");
335 	for (; u < 0x7e; u += 2) {
336 		b_pid[0] = u;
337 		b_pid[1] = 0;
338 		b_pid[2] = 0x80;
339 		i2c_transfer(&adap->dev->i2c_adap, msg, 1);
340 	}
341 	return 0;
342 }
343 
344 static struct rc_map_table rc_map_opera1_table[] = {
345 	{0x5fa0, KEY_1},
346 	{0x51af, KEY_2},
347 	{0x5da2, KEY_3},
348 	{0x41be, KEY_4},
349 	{0x0bf5, KEY_5},
350 	{0x43bd, KEY_6},
351 	{0x47b8, KEY_7},
352 	{0x49b6, KEY_8},
353 	{0x05fa, KEY_9},
354 	{0x45ba, KEY_0},
355 	{0x09f6, KEY_CHANNELUP},	/*chanup */
356 	{0x1be5, KEY_CHANNELDOWN},	/*chandown */
357 	{0x5da3, KEY_VOLUMEDOWN},	/*voldown */
358 	{0x5fa1, KEY_VOLUMEUP},		/*volup */
359 	{0x07f8, KEY_SPACE},		/*tab */
360 	{0x1fe1, KEY_OK},		/*play ok */
361 	{0x1be4, KEY_ZOOM},		/*zoom */
362 	{0x59a6, KEY_MUTE},		/*mute */
363 	{0x5ba5, KEY_RADIO},		/*tv/f */
364 	{0x19e7, KEY_RECORD},		/*rec */
365 	{0x01fe, KEY_STOP},		/*Stop */
366 	{0x03fd, KEY_PAUSE},		/*pause */
367 	{0x03fc, KEY_SCREEN},		/*<- -> */
368 	{0x07f9, KEY_CAMERA},		/*capture */
369 	{0x47b9, KEY_ESC},		/*exit */
370 	{0x43bc, KEY_POWER2},		/*power */
371 };
372 
373 static int opera1_rc_query(struct dvb_usb_device *dev, u32 * event, int *state)
374 {
375 	struct opera1_state *opst = dev->priv;
376 	u8 rcbuffer[32];
377 	const u16 startmarker1 = 0x10ed;
378 	const u16 startmarker2 = 0x11ec;
379 	struct i2c_msg read_remote[] = {
380 		{.addr = ADDR_B880_READ_REMOTE,.buf = rcbuffer,.flags = I2C_M_RD,.len = 32},
381 	};
382 	int i = 0;
383 	u32 send_key = 0;
384 
385 	if (i2c_transfer(&dev->i2c_adap, read_remote, 1) == 1) {
386 		for (i = 0; i < 32; i++) {
387 			if (rcbuffer[i])
388 				send_key |= 1;
389 			if (i < 31)
390 				send_key = send_key << 1;
391 		}
392 		if (send_key & 0x8000)
393 			send_key = (send_key << 1) | (send_key >> 15 & 0x01);
394 
395 		if (send_key == 0xffff && opst->last_key_pressed != 0) {
396 			*state = REMOTE_KEY_REPEAT;
397 			*event = opst->last_key_pressed;
398 			return 0;
399 		}
400 		for (; send_key != 0;) {
401 			if (send_key >> 16 == startmarker2) {
402 				break;
403 			} else if (send_key >> 16 == startmarker1) {
404 				send_key =
405 					(send_key & 0xfffeffff) | (startmarker1 << 16);
406 				break;
407 			} else
408 				send_key >>= 1;
409 		}
410 
411 		if (send_key == 0)
412 			return 0;
413 
414 		send_key = (send_key & 0xffff) | 0x0100;
415 
416 		for (i = 0; i < ARRAY_SIZE(rc_map_opera1_table); i++) {
417 			if (rc5_scan(&rc_map_opera1_table[i]) == (send_key & 0xffff)) {
418 				*state = REMOTE_KEY_PRESSED;
419 				*event = rc_map_opera1_table[i].keycode;
420 				opst->last_key_pressed =
421 					rc_map_opera1_table[i].keycode;
422 				break;
423 			}
424 			opst->last_key_pressed = 0;
425 		}
426 	} else
427 		*state = REMOTE_NO_KEY_PRESSED;
428 	return 0;
429 }
430 
431 static struct usb_device_id opera1_table[] = {
432 	{USB_DEVICE(USB_VID_CYPRESS, USB_PID_OPERA1_COLD)},
433 	{USB_DEVICE(USB_VID_OPERA1, USB_PID_OPERA1_WARM)},
434 	{}
435 };
436 
437 MODULE_DEVICE_TABLE(usb, opera1_table);
438 
439 static int opera1_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
440 {
441 	u8 command[] = { READ_MAC_ADDR };
442 	opera1_xilinx_rw(d->udev, 0xb1, 0xa0, command, 1, OPERA_WRITE_MSG);
443 	opera1_xilinx_rw(d->udev, 0xb1, 0xa1, mac, 6, OPERA_READ_MSG);
444 	return 0;
445 }
446 static int opera1_xilinx_load_firmware(struct usb_device *dev,
447 				       const char *filename)
448 {
449 	const struct firmware *fw = NULL;
450 	u8 *b, *p;
451 	int ret = 0, i,fpgasize=40;
452 	u8 testval;
453 	info("start downloading fpga firmware %s",filename);
454 
455 	if ((ret = request_firmware(&fw, filename, &dev->dev)) != 0) {
456 		err("did not find the firmware file. (%s) "
457 			"Please see linux/Documentation/dvb/ for more details on firmware-problems.",
458 			filename);
459 		return ret;
460 	} else {
461 		p = kmalloc(fw->size, GFP_KERNEL);
462 		opera1_xilinx_rw(dev, 0xbc, 0x00, &testval, 1, OPERA_READ_MSG);
463 		if (p != NULL && testval != 0x67) {
464 
465 			u8 reset = 0, fpga_command = 0;
466 			memcpy(p, fw->data, fw->size);
467 			/* clear fpga ? */
468 			opera1_xilinx_rw(dev, 0xbc, 0xaa, &fpga_command, 1,
469 					 OPERA_WRITE_MSG);
470 			for (i = 0; i < fw->size;) {
471 				if ( (fw->size - i) <fpgasize){
472 				    fpgasize=fw->size-i;
473 				}
474 				b = (u8 *) p + i;
475 				if (opera1_xilinx_rw
476 					(dev, OPERA_WRITE_FX2, 0x0, b , fpgasize,
477 						OPERA_WRITE_MSG) != fpgasize
478 					) {
479 					err("error while transferring firmware");
480 					ret = -EINVAL;
481 					break;
482 				}
483 				i = i + fpgasize;
484 			}
485 			/* restart the CPU */
486 			if (ret || opera1_xilinx_rw
487 					(dev, 0xa0, 0xe600, &reset, 1,
488 					OPERA_WRITE_MSG) != 1) {
489 				err("could not restart the USB controller CPU.");
490 				ret = -EINVAL;
491 			}
492 		}
493 	}
494 	kfree(p);
495 	release_firmware(fw);
496 	return ret;
497 }
498 
499 static struct dvb_usb_device_properties opera1_properties = {
500 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
501 	.usb_ctrl = CYPRESS_FX2,
502 	.firmware = "dvb-usb-opera-01.fw",
503 	.size_of_priv = sizeof(struct opera1_state),
504 
505 	.power_ctrl = opera1_power_ctrl,
506 	.i2c_algo = &opera1_i2c_algo,
507 
508 	.rc.legacy = {
509 		.rc_map_table = rc_map_opera1_table,
510 		.rc_map_size = ARRAY_SIZE(rc_map_opera1_table),
511 		.rc_interval = 200,
512 		.rc_query = opera1_rc_query,
513 	},
514 	.read_mac_address = opera1_read_mac_address,
515 	.generic_bulk_ctrl_endpoint = 0x00,
516 	/* parameter for the MPEG2-data transfer */
517 	.num_adapters = 1,
518 	.adapter = {
519 		{
520 		.num_frontends = 1,
521 		.fe = {{
522 			.frontend_attach = opera1_frontend_attach,
523 			.streaming_ctrl = opera1_streaming_ctrl,
524 			.tuner_attach = opera1_tuner_attach,
525 			.caps =
526 				DVB_USB_ADAP_HAS_PID_FILTER |
527 				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
528 			.pid_filter = opera1_pid_filter,
529 			.pid_filter_ctrl = opera1_pid_filter_control,
530 			.pid_filter_count = 252,
531 			.stream = {
532 				.type = USB_BULK,
533 				.count = 10,
534 				.endpoint = 0x82,
535 				.u = {
536 					.bulk = {
537 						.buffersize = 4096,
538 					}
539 				}
540 			},
541 		}},
542 		}
543 	},
544 	.num_device_descs = 1,
545 	.devices = {
546 		{"Opera1 DVB-S USB2.0",
547 			{&opera1_table[0], NULL},
548 			{&opera1_table[1], NULL},
549 		},
550 	}
551 };
552 
553 static int opera1_probe(struct usb_interface *intf,
554 			const struct usb_device_id *id)
555 {
556 	struct usb_device *udev = interface_to_usbdev(intf);
557 
558 	if (le16_to_cpu(udev->descriptor.idProduct) == USB_PID_OPERA1_WARM &&
559 	    le16_to_cpu(udev->descriptor.idVendor) == USB_VID_OPERA1 &&
560 		opera1_xilinx_load_firmware(udev, "dvb-usb-opera1-fpga-01.fw") != 0
561 	    ) {
562 		return -EINVAL;
563 	}
564 
565 	if (0 != dvb_usb_device_init(intf, &opera1_properties,
566 				     THIS_MODULE, NULL, adapter_nr))
567 		return -EINVAL;
568 	return 0;
569 }
570 
571 static struct usb_driver opera1_driver = {
572 	.name = "opera1",
573 	.probe = opera1_probe,
574 	.disconnect = dvb_usb_device_exit,
575 	.id_table = opera1_table,
576 };
577 
578 module_usb_driver(opera1_driver);
579 
580 MODULE_AUTHOR("Mario Hlawitschka (c) dh1pa@amsat.org");
581 MODULE_AUTHOR("Marco Gittler (c) g.marco@freenet.de");
582 MODULE_DESCRIPTION("Driver for Opera1 DVB-S device");
583 MODULE_VERSION("0.1");
584 MODULE_LICENSE("GPL");
585