xref: /openbmc/linux/drivers/media/pci/pluto2/pluto2.c (revision 92a76f6d)
1 /*
2  * pluto2.c - Satelco Easywatch Mobile Terrestrial Receiver [DVB-T]
3  *
4  * Copyright (C) 2005 Andreas Oberritter <obi@linuxtv.org>
5  *
6  * based on pluto2.c 1.10 - http://instinct-wp8.no-ip.org/pluto/
7  * 	by Dany Salman <salmandany@yahoo.fr>
8  *	Copyright (c) 2004 TDF
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  *
24  */
25 
26 #include <linux/i2c.h>
27 #include <linux/i2c-algo-bit.h>
28 #include <linux/init.h>
29 #include <linux/interrupt.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/pci.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/slab.h>
35 
36 #include "demux.h"
37 #include "dmxdev.h"
38 #include "dvb_demux.h"
39 #include "dvb_frontend.h"
40 #include "dvb_net.h"
41 #include "dvbdev.h"
42 #include "tda1004x.h"
43 
44 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
45 
46 #define DRIVER_NAME		"pluto2"
47 
48 #define REG_PIDn(n)		((n) << 2)	/* PID n pattern registers */
49 #define REG_PCAR		0x0020		/* PC address register */
50 #define REG_TSCR		0x0024		/* TS ctrl & status */
51 #define REG_MISC		0x0028		/* miscellaneous */
52 #define REG_MMAC		0x002c		/* MSB MAC address */
53 #define REG_IMAC		0x0030		/* ISB MAC address */
54 #define REG_LMAC		0x0034		/* LSB MAC address */
55 #define REG_SPID		0x0038		/* SPI data */
56 #define REG_SLCS		0x003c		/* serial links ctrl/status */
57 
58 #define PID0_NOFIL		(0x0001 << 16)
59 #define PIDn_ENP		(0x0001 << 15)
60 #define PID0_END		(0x0001 << 14)
61 #define PID0_AFIL		(0x0001 << 13)
62 #define PIDn_PID		(0x1fff <<  0)
63 
64 #define TSCR_NBPACKETS		(0x00ff << 24)
65 #define TSCR_DEM		(0x0001 << 17)
66 #define TSCR_DE			(0x0001 << 16)
67 #define TSCR_RSTN		(0x0001 << 15)
68 #define TSCR_MSKO		(0x0001 << 14)
69 #define TSCR_MSKA		(0x0001 << 13)
70 #define TSCR_MSKL		(0x0001 << 12)
71 #define TSCR_OVR		(0x0001 << 11)
72 #define TSCR_AFUL		(0x0001 << 10)
73 #define TSCR_LOCK		(0x0001 <<  9)
74 #define TSCR_IACK		(0x0001 <<  8)
75 #define TSCR_ADEF		(0x007f <<  0)
76 
77 #define MISC_DVR		(0x0fff <<  4)
78 #define MISC_ALED		(0x0001 <<  3)
79 #define MISC_FRST		(0x0001 <<  2)
80 #define MISC_LED1		(0x0001 <<  1)
81 #define MISC_LED0		(0x0001 <<  0)
82 
83 #define SPID_SPIDR		(0x00ff <<  0)
84 
85 #define SLCS_SCL		(0x0001 <<  7)
86 #define SLCS_SDA		(0x0001 <<  6)
87 #define SLCS_CSN		(0x0001 <<  2)
88 #define SLCS_OVR		(0x0001 <<  1)
89 #define SLCS_SWC		(0x0001 <<  0)
90 
91 #define TS_DMA_PACKETS		(8)
92 #define TS_DMA_BYTES		(188 * TS_DMA_PACKETS)
93 
94 #define I2C_ADDR_TDA10046	0x10
95 #define I2C_ADDR_TUA6034	0xc2
96 #define NHWFILTERS		8
97 
98 struct pluto {
99 	/* pci */
100 	struct pci_dev *pdev;
101 	u8 __iomem *io_mem;
102 
103 	/* dvb */
104 	struct dmx_frontend hw_frontend;
105 	struct dmx_frontend mem_frontend;
106 	struct dmxdev dmxdev;
107 	struct dvb_adapter dvb_adapter;
108 	struct dvb_demux demux;
109 	struct dvb_frontend *fe;
110 	struct dvb_net dvbnet;
111 	unsigned int full_ts_users;
112 	unsigned int users;
113 
114 	/* i2c */
115 	struct i2c_algo_bit_data i2c_bit;
116 	struct i2c_adapter i2c_adap;
117 	unsigned int i2cbug;
118 
119 	/* irq */
120 	unsigned int overflow;
121 	unsigned int dead;
122 
123 	/* dma */
124 	dma_addr_t dma_addr;
125 	u8 dma_buf[TS_DMA_BYTES];
126 	u8 dummy[4096];
127 };
128 
129 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
130 {
131 	return container_of(feed->demux, struct pluto, demux);
132 }
133 
134 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
135 {
136 	return container_of(fe->dvb, struct pluto, dvb_adapter);
137 }
138 
139 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
140 {
141 	return readl(&pluto->io_mem[reg]);
142 }
143 
144 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
145 {
146 	writel(val, &pluto->io_mem[reg]);
147 }
148 
149 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
150 {
151 	u32 val = readl(&pluto->io_mem[reg]);
152 	val &= ~mask;
153 	val |= bits;
154 	writel(val, &pluto->io_mem[reg]);
155 }
156 
157 static void pluto_write_tscr(struct pluto *pluto, u32 val)
158 {
159 	/* set the number of packets */
160 	val &= ~TSCR_ADEF;
161 	val |= TS_DMA_PACKETS / 2;
162 
163 	pluto_writereg(pluto, REG_TSCR, val);
164 }
165 
166 static void pluto_setsda(void *data, int state)
167 {
168 	struct pluto *pluto = data;
169 
170 	if (state)
171 		pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
172 	else
173 		pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
174 }
175 
176 static void pluto_setscl(void *data, int state)
177 {
178 	struct pluto *pluto = data;
179 
180 	if (state)
181 		pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
182 	else
183 		pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
184 
185 	/* try to detect i2c_inb() to workaround hardware bug:
186 	 * reset SDA to high after SCL has been set to low */
187 	if ((state) && (pluto->i2cbug == 0)) {
188 		pluto->i2cbug = 1;
189 	} else {
190 		if ((!state) && (pluto->i2cbug == 1))
191 			pluto_setsda(pluto, 1);
192 		pluto->i2cbug = 0;
193 	}
194 }
195 
196 static int pluto_getsda(void *data)
197 {
198 	struct pluto *pluto = data;
199 
200 	return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
201 }
202 
203 static int pluto_getscl(void *data)
204 {
205 	struct pluto *pluto = data;
206 
207 	return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
208 }
209 
210 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
211 {
212 	u32 val = pluto_readreg(pluto, REG_MISC);
213 
214 	if (val & MISC_FRST) {
215 		val &= ~MISC_FRST;
216 		pluto_writereg(pluto, REG_MISC, val);
217 	}
218 	if (reenable) {
219 		val |= MISC_FRST;
220 		pluto_writereg(pluto, REG_MISC, val);
221 	}
222 }
223 
224 static void pluto_reset_ts(struct pluto *pluto, int reenable)
225 {
226 	u32 val = pluto_readreg(pluto, REG_TSCR);
227 
228 	if (val & TSCR_RSTN) {
229 		val &= ~TSCR_RSTN;
230 		pluto_write_tscr(pluto, val);
231 	}
232 	if (reenable) {
233 		val |= TSCR_RSTN;
234 		pluto_write_tscr(pluto, val);
235 	}
236 }
237 
238 static void pluto_set_dma_addr(struct pluto *pluto)
239 {
240 	pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
241 }
242 
243 static int pluto_dma_map(struct pluto *pluto)
244 {
245 	pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
246 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
247 
248 	return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
249 }
250 
251 static void pluto_dma_unmap(struct pluto *pluto)
252 {
253 	pci_unmap_single(pluto->pdev, pluto->dma_addr,
254 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
255 }
256 
257 static int pluto_start_feed(struct dvb_demux_feed *f)
258 {
259 	struct pluto *pluto = feed_to_pluto(f);
260 
261 	/* enable PID filtering */
262 	if (pluto->users++ == 0)
263 		pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
264 
265 	if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
266 		pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
267 	else if (pluto->full_ts_users++ == 0)
268 		pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
269 
270 	return 0;
271 }
272 
273 static int pluto_stop_feed(struct dvb_demux_feed *f)
274 {
275 	struct pluto *pluto = feed_to_pluto(f);
276 
277 	/* disable PID filtering */
278 	if (--pluto->users == 0)
279 		pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
280 
281 	if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
282 		pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
283 	else if (--pluto->full_ts_users == 0)
284 		pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
285 
286 	return 0;
287 }
288 
289 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
290 {
291 	/* synchronize the DMA transfer with the CPU
292 	 * first so that we see updated contents. */
293 	pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
294 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
295 
296 	/* Workaround for broken hardware:
297 	 * [1] On startup NBPACKETS seems to contain an uninitialized value,
298 	 *     but no packets have been transferred.
299 	 * [2] Sometimes (actually very often) NBPACKETS stays at zero
300 	 *     although one packet has been transferred.
301 	 * [3] Sometimes (actually rarely), the card gets into an erroneous
302 	 *     mode where it continuously generates interrupts, claiming it
303 	 *     has received nbpackets>TS_DMA_PACKETS packets, but no packet
304 	 *     has been transferred. Only a reset seems to solve this
305 	 */
306 	if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
307 		unsigned int i = 0;
308 		while (pluto->dma_buf[i] == 0x47)
309 			i += 188;
310 		nbpackets = i / 188;
311 		if (i == 0) {
312 			pluto_reset_ts(pluto, 1);
313 			dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
314 		}
315 	}
316 
317 	dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
318 
319 	/* clear the dma buffer. this is needed to be able to identify
320 	 * new valid ts packets above */
321 	memset(pluto->dma_buf, 0, nbpackets * 188);
322 
323 	/* reset the dma address */
324 	pluto_set_dma_addr(pluto);
325 
326 	/* sync the buffer and give it back to the card */
327 	pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
328 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
329 }
330 
331 static irqreturn_t pluto_irq(int irq, void *dev_id)
332 {
333 	struct pluto *pluto = dev_id;
334 	u32 tscr;
335 
336 	/* check whether an interrupt occurred on this device */
337 	tscr = pluto_readreg(pluto, REG_TSCR);
338 	if (!(tscr & (TSCR_DE | TSCR_OVR)))
339 		return IRQ_NONE;
340 
341 	if (tscr == 0xffffffff) {
342 		if (pluto->dead == 0)
343 			dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
344 		/* It's dead Jim */
345 		pluto->dead = 1;
346 		return IRQ_HANDLED;
347 	}
348 
349 	/* dma end interrupt */
350 	if (tscr & TSCR_DE) {
351 		pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
352 		/* overflow interrupt */
353 		if (tscr & TSCR_OVR)
354 			pluto->overflow++;
355 		if (pluto->overflow) {
356 			dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
357 					pluto->overflow);
358 			pluto_reset_ts(pluto, 1);
359 			pluto->overflow = 0;
360 		}
361 	} else if (tscr & TSCR_OVR) {
362 		pluto->overflow++;
363 	}
364 
365 	/* ACK the interrupt */
366 	pluto_write_tscr(pluto, tscr | TSCR_IACK);
367 
368 	return IRQ_HANDLED;
369 }
370 
371 static void pluto_enable_irqs(struct pluto *pluto)
372 {
373 	u32 val = pluto_readreg(pluto, REG_TSCR);
374 
375 	/* disable AFUL and LOCK interrupts */
376 	val |= (TSCR_MSKA | TSCR_MSKL);
377 	/* enable DMA and OVERFLOW interrupts */
378 	val &= ~(TSCR_DEM | TSCR_MSKO);
379 	/* clear pending interrupts */
380 	val |= TSCR_IACK;
381 
382 	pluto_write_tscr(pluto, val);
383 }
384 
385 static void pluto_disable_irqs(struct pluto *pluto)
386 {
387 	u32 val = pluto_readreg(pluto, REG_TSCR);
388 
389 	/* disable all interrupts */
390 	val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
391 	/* clear pending interrupts */
392 	val |= TSCR_IACK;
393 
394 	pluto_write_tscr(pluto, val);
395 }
396 
397 static int pluto_hw_init(struct pluto *pluto)
398 {
399 	pluto_reset_frontend(pluto, 1);
400 
401 	/* set automatic LED control by FPGA */
402 	pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
403 
404 	/* set data endianness */
405 #ifdef __LITTLE_ENDIAN
406 	pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
407 #else
408 	pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
409 #endif
410 	/* map DMA and set address */
411 	pluto_dma_map(pluto);
412 	pluto_set_dma_addr(pluto);
413 
414 	/* enable interrupts */
415 	pluto_enable_irqs(pluto);
416 
417 	/* reset TS logic */
418 	pluto_reset_ts(pluto, 1);
419 
420 	return 0;
421 }
422 
423 static void pluto_hw_exit(struct pluto *pluto)
424 {
425 	/* disable interrupts */
426 	pluto_disable_irqs(pluto);
427 
428 	pluto_reset_ts(pluto, 0);
429 
430 	/* LED: disable automatic control, enable yellow, disable green */
431 	pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
432 
433 	/* unmap DMA */
434 	pluto_dma_unmap(pluto);
435 
436 	pluto_reset_frontend(pluto, 0);
437 }
438 
439 static inline u32 divide(u32 numerator, u32 denominator)
440 {
441 	if (denominator == 0)
442 		return ~0;
443 
444 	return DIV_ROUND_CLOSEST(numerator, denominator);
445 }
446 
447 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
448 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe)
449 {
450 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
451 	struct pluto *pluto = frontend_to_pluto(fe);
452 	struct i2c_msg msg;
453 	int ret;
454 	u8 buf[4];
455 	u32 div;
456 
457 	// Fref = 166.667 Hz
458 	// Fref * 3 = 500.000 Hz
459 	// IF = 36166667
460 	// IF / Fref = 217
461 	//div = divide(p->frequency + 36166667, 166667);
462 	div = divide(p->frequency * 3, 500000) + 217;
463 	buf[0] = (div >> 8) & 0x7f;
464 	buf[1] = (div >> 0) & 0xff;
465 
466 	if (p->frequency < 611000000)
467 		buf[2] = 0xb4;
468 	else if (p->frequency < 811000000)
469 		buf[2] = 0xbc;
470 	else
471 		buf[2] = 0xf4;
472 
473 	// VHF: 174-230 MHz
474 	// center: 350 MHz
475 	// UHF: 470-862 MHz
476 	if (p->frequency < 350000000)
477 		buf[3] = 0x02;
478 	else
479 		buf[3] = 0x04;
480 
481 	if (p->bandwidth_hz == 8000000)
482 		buf[3] |= 0x08;
483 
484 	msg.addr = I2C_ADDR_TUA6034 >> 1;
485 	msg.flags = 0;
486 	msg.buf = buf;
487 	msg.len = sizeof(buf);
488 
489 	if (fe->ops.i2c_gate_ctrl)
490 		fe->ops.i2c_gate_ctrl(fe, 1);
491 	ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
492 	if (ret < 0)
493 		return ret;
494 	else if (ret == 0)
495 		return -EREMOTEIO;
496 
497 	return 0;
498 }
499 
500 static int pluto2_request_firmware(struct dvb_frontend *fe,
501 				   const struct firmware **fw, char *name)
502 {
503 	struct pluto *pluto = frontend_to_pluto(fe);
504 
505 	return request_firmware(fw, name, &pluto->pdev->dev);
506 }
507 
508 static struct tda1004x_config pluto2_fe_config = {
509 	.demod_address = I2C_ADDR_TDA10046 >> 1,
510 	.invert = 1,
511 	.invert_oclk = 0,
512 	.xtal_freq = TDA10046_XTAL_16M,
513 	.agc_config = TDA10046_AGC_DEFAULT,
514 	.if_freq = TDA10046_FREQ_3617,
515 	.request_firmware = pluto2_request_firmware,
516 };
517 
518 static int frontend_init(struct pluto *pluto)
519 {
520 	int ret;
521 
522 	pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
523 	if (!pluto->fe) {
524 		dev_err(&pluto->pdev->dev, "could not attach frontend\n");
525 		return -ENODEV;
526 	}
527 	pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
528 
529 	ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
530 	if (ret < 0) {
531 		if (pluto->fe->ops.release)
532 			pluto->fe->ops.release(pluto->fe);
533 		return ret;
534 	}
535 
536 	return 0;
537 }
538 
539 static void pluto_read_rev(struct pluto *pluto)
540 {
541 	u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
542 	dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
543 			(val >> 12) & 0x0f, (val >> 4) & 0xff);
544 }
545 
546 static void pluto_read_mac(struct pluto *pluto, u8 *mac)
547 {
548 	u32 val = pluto_readreg(pluto, REG_MMAC);
549 	mac[0] = (val >> 8) & 0xff;
550 	mac[1] = (val >> 0) & 0xff;
551 
552 	val = pluto_readreg(pluto, REG_IMAC);
553 	mac[2] = (val >> 8) & 0xff;
554 	mac[3] = (val >> 0) & 0xff;
555 
556 	val = pluto_readreg(pluto, REG_LMAC);
557 	mac[4] = (val >> 8) & 0xff;
558 	mac[5] = (val >> 0) & 0xff;
559 
560 	dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
561 }
562 
563 static int pluto_read_serial(struct pluto *pluto)
564 {
565 	struct pci_dev *pdev = pluto->pdev;
566 	unsigned int i, j;
567 	u8 __iomem *cis;
568 
569 	cis = pci_iomap(pdev, 1, 0);
570 	if (!cis)
571 		return -EIO;
572 
573 	dev_info(&pdev->dev, "S/N ");
574 
575 	for (i = 0xe0; i < 0x100; i += 4) {
576 		u32 val = readl(&cis[i]);
577 		for (j = 0; j < 32; j += 8) {
578 			if ((val & 0xff) == 0xff)
579 				goto out;
580 			printk("%c", val & 0xff);
581 			val >>= 8;
582 		}
583 	}
584 out:
585 	printk("\n");
586 	pci_iounmap(pdev, cis);
587 
588 	return 0;
589 }
590 
591 static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
592 {
593 	struct pluto *pluto;
594 	struct dvb_adapter *dvb_adapter;
595 	struct dvb_demux *dvbdemux;
596 	struct dmx_demux *dmx;
597 	int ret = -ENOMEM;
598 
599 	pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
600 	if (!pluto)
601 		goto out;
602 
603 	pluto->pdev = pdev;
604 
605 	ret = pci_enable_device(pdev);
606 	if (ret < 0)
607 		goto err_kfree;
608 
609 	/* enable interrupts */
610 	pci_write_config_dword(pdev, 0x6c, 0x8000);
611 
612 	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
613 	if (ret < 0)
614 		goto err_pci_disable_device;
615 
616 	pci_set_master(pdev);
617 
618 	ret = pci_request_regions(pdev, DRIVER_NAME);
619 	if (ret < 0)
620 		goto err_pci_disable_device;
621 
622 	pluto->io_mem = pci_iomap(pdev, 0, 0x40);
623 	if (!pluto->io_mem) {
624 		ret = -EIO;
625 		goto err_pci_release_regions;
626 	}
627 
628 	pci_set_drvdata(pdev, pluto);
629 
630 	ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
631 	if (ret < 0)
632 		goto err_pci_iounmap;
633 
634 	ret = pluto_hw_init(pluto);
635 	if (ret < 0)
636 		goto err_free_irq;
637 
638 	/* i2c */
639 	i2c_set_adapdata(&pluto->i2c_adap, pluto);
640 	strcpy(pluto->i2c_adap.name, DRIVER_NAME);
641 	pluto->i2c_adap.owner = THIS_MODULE;
642 	pluto->i2c_adap.dev.parent = &pdev->dev;
643 	pluto->i2c_adap.algo_data = &pluto->i2c_bit;
644 	pluto->i2c_bit.data = pluto;
645 	pluto->i2c_bit.setsda = pluto_setsda;
646 	pluto->i2c_bit.setscl = pluto_setscl;
647 	pluto->i2c_bit.getsda = pluto_getsda;
648 	pluto->i2c_bit.getscl = pluto_getscl;
649 	pluto->i2c_bit.udelay = 10;
650 	pluto->i2c_bit.timeout = 10;
651 
652 	/* Raise SCL and SDA */
653 	pluto_setsda(pluto, 1);
654 	pluto_setscl(pluto, 1);
655 
656 	ret = i2c_bit_add_bus(&pluto->i2c_adap);
657 	if (ret < 0)
658 		goto err_pluto_hw_exit;
659 
660 	/* dvb */
661 	ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
662 				   THIS_MODULE, &pdev->dev, adapter_nr);
663 	if (ret < 0)
664 		goto err_i2c_del_adapter;
665 
666 	dvb_adapter = &pluto->dvb_adapter;
667 
668 	pluto_read_rev(pluto);
669 	pluto_read_serial(pluto);
670 	pluto_read_mac(pluto, dvb_adapter->proposed_mac);
671 
672 	dvbdemux = &pluto->demux;
673 	dvbdemux->filternum = 256;
674 	dvbdemux->feednum = 256;
675 	dvbdemux->start_feed = pluto_start_feed;
676 	dvbdemux->stop_feed = pluto_stop_feed;
677 	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
678 			DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
679 	ret = dvb_dmx_init(dvbdemux);
680 	if (ret < 0)
681 		goto err_dvb_unregister_adapter;
682 
683 	dmx = &dvbdemux->dmx;
684 
685 	pluto->hw_frontend.source = DMX_FRONTEND_0;
686 	pluto->mem_frontend.source = DMX_MEMORY_FE;
687 	pluto->dmxdev.filternum = NHWFILTERS;
688 	pluto->dmxdev.demux = dmx;
689 
690 	ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
691 	if (ret < 0)
692 		goto err_dvb_dmx_release;
693 
694 	ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
695 	if (ret < 0)
696 		goto err_dvb_dmxdev_release;
697 
698 	ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
699 	if (ret < 0)
700 		goto err_remove_hw_frontend;
701 
702 	ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
703 	if (ret < 0)
704 		goto err_remove_mem_frontend;
705 
706 	ret = frontend_init(pluto);
707 	if (ret < 0)
708 		goto err_disconnect_frontend;
709 
710 	dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
711 out:
712 	return ret;
713 
714 err_disconnect_frontend:
715 	dmx->disconnect_frontend(dmx);
716 err_remove_mem_frontend:
717 	dmx->remove_frontend(dmx, &pluto->mem_frontend);
718 err_remove_hw_frontend:
719 	dmx->remove_frontend(dmx, &pluto->hw_frontend);
720 err_dvb_dmxdev_release:
721 	dvb_dmxdev_release(&pluto->dmxdev);
722 err_dvb_dmx_release:
723 	dvb_dmx_release(dvbdemux);
724 err_dvb_unregister_adapter:
725 	dvb_unregister_adapter(dvb_adapter);
726 err_i2c_del_adapter:
727 	i2c_del_adapter(&pluto->i2c_adap);
728 err_pluto_hw_exit:
729 	pluto_hw_exit(pluto);
730 err_free_irq:
731 	free_irq(pdev->irq, pluto);
732 err_pci_iounmap:
733 	pci_iounmap(pdev, pluto->io_mem);
734 err_pci_release_regions:
735 	pci_release_regions(pdev);
736 err_pci_disable_device:
737 	pci_disable_device(pdev);
738 err_kfree:
739 	kfree(pluto);
740 	goto out;
741 }
742 
743 static void pluto2_remove(struct pci_dev *pdev)
744 {
745 	struct pluto *pluto = pci_get_drvdata(pdev);
746 	struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
747 	struct dvb_demux *dvbdemux = &pluto->demux;
748 	struct dmx_demux *dmx = &dvbdemux->dmx;
749 
750 	dmx->close(dmx);
751 	dvb_net_release(&pluto->dvbnet);
752 	if (pluto->fe)
753 		dvb_unregister_frontend(pluto->fe);
754 
755 	dmx->disconnect_frontend(dmx);
756 	dmx->remove_frontend(dmx, &pluto->mem_frontend);
757 	dmx->remove_frontend(dmx, &pluto->hw_frontend);
758 	dvb_dmxdev_release(&pluto->dmxdev);
759 	dvb_dmx_release(dvbdemux);
760 	dvb_unregister_adapter(dvb_adapter);
761 	i2c_del_adapter(&pluto->i2c_adap);
762 	pluto_hw_exit(pluto);
763 	free_irq(pdev->irq, pluto);
764 	pci_iounmap(pdev, pluto->io_mem);
765 	pci_release_regions(pdev);
766 	pci_disable_device(pdev);
767 	kfree(pluto);
768 }
769 
770 #ifndef PCI_VENDOR_ID_SCM
771 #define PCI_VENDOR_ID_SCM	0x0432
772 #endif
773 #ifndef PCI_DEVICE_ID_PLUTO2
774 #define PCI_DEVICE_ID_PLUTO2	0x0001
775 #endif
776 
777 static struct pci_device_id pluto2_id_table[] = {
778 	{
779 		.vendor = PCI_VENDOR_ID_SCM,
780 		.device = PCI_DEVICE_ID_PLUTO2,
781 		.subvendor = PCI_ANY_ID,
782 		.subdevice = PCI_ANY_ID,
783 	}, {
784 		/* empty */
785 	},
786 };
787 
788 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
789 
790 static struct pci_driver pluto2_driver = {
791 	.name = DRIVER_NAME,
792 	.id_table = pluto2_id_table,
793 	.probe = pluto2_probe,
794 	.remove = pluto2_remove,
795 };
796 
797 module_pci_driver(pluto2_driver);
798 
799 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
800 MODULE_DESCRIPTION("Pluto2 driver");
801 MODULE_LICENSE("GPL");
802