xref: /openbmc/linux/drivers/media/pci/pluto2/pluto2.c (revision 0c7beb2d)
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  */
21 
22 #include <linux/i2c.h>
23 #include <linux/i2c-algo-bit.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/kernel.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/slab.h>
31 
32 #include <media/demux.h>
33 #include <media/dmxdev.h>
34 #include <media/dvb_demux.h>
35 #include <media/dvb_frontend.h>
36 #include <media/dvb_net.h>
37 #include <media/dvbdev.h>
38 #include "tda1004x.h"
39 
40 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41 
42 #define DRIVER_NAME		"pluto2"
43 
44 #define REG_PIDn(n)		((n) << 2)	/* PID n pattern registers */
45 #define REG_PCAR		0x0020		/* PC address register */
46 #define REG_TSCR		0x0024		/* TS ctrl & status */
47 #define REG_MISC		0x0028		/* miscellaneous */
48 #define REG_MMAC		0x002c		/* MSB MAC address */
49 #define REG_IMAC		0x0030		/* ISB MAC address */
50 #define REG_LMAC		0x0034		/* LSB MAC address */
51 #define REG_SPID		0x0038		/* SPI data */
52 #define REG_SLCS		0x003c		/* serial links ctrl/status */
53 
54 #define PID0_NOFIL		(0x0001 << 16)
55 #define PIDn_ENP		(0x0001 << 15)
56 #define PID0_END		(0x0001 << 14)
57 #define PID0_AFIL		(0x0001 << 13)
58 #define PIDn_PID		(0x1fff <<  0)
59 
60 #define TSCR_NBPACKETS		(0x00ff << 24)
61 #define TSCR_DEM		(0x0001 << 17)
62 #define TSCR_DE			(0x0001 << 16)
63 #define TSCR_RSTN		(0x0001 << 15)
64 #define TSCR_MSKO		(0x0001 << 14)
65 #define TSCR_MSKA		(0x0001 << 13)
66 #define TSCR_MSKL		(0x0001 << 12)
67 #define TSCR_OVR		(0x0001 << 11)
68 #define TSCR_AFUL		(0x0001 << 10)
69 #define TSCR_LOCK		(0x0001 <<  9)
70 #define TSCR_IACK		(0x0001 <<  8)
71 #define TSCR_ADEF		(0x007f <<  0)
72 
73 #define MISC_DVR		(0x0fff <<  4)
74 #define MISC_ALED		(0x0001 <<  3)
75 #define MISC_FRST		(0x0001 <<  2)
76 #define MISC_LED1		(0x0001 <<  1)
77 #define MISC_LED0		(0x0001 <<  0)
78 
79 #define SPID_SPIDR		(0x00ff <<  0)
80 
81 #define SLCS_SCL		(0x0001 <<  7)
82 #define SLCS_SDA		(0x0001 <<  6)
83 #define SLCS_CSN		(0x0001 <<  2)
84 #define SLCS_OVR		(0x0001 <<  1)
85 #define SLCS_SWC		(0x0001 <<  0)
86 
87 #define TS_DMA_PACKETS		(8)
88 #define TS_DMA_BYTES		(188 * TS_DMA_PACKETS)
89 
90 #define I2C_ADDR_TDA10046	0x10
91 #define I2C_ADDR_TUA6034	0xc2
92 #define NHWFILTERS		8
93 
94 struct pluto {
95 	/* pci */
96 	struct pci_dev *pdev;
97 	u8 __iomem *io_mem;
98 
99 	/* dvb */
100 	struct dmx_frontend hw_frontend;
101 	struct dmx_frontend mem_frontend;
102 	struct dmxdev dmxdev;
103 	struct dvb_adapter dvb_adapter;
104 	struct dvb_demux demux;
105 	struct dvb_frontend *fe;
106 	struct dvb_net dvbnet;
107 	unsigned int full_ts_users;
108 	unsigned int users;
109 
110 	/* i2c */
111 	struct i2c_algo_bit_data i2c_bit;
112 	struct i2c_adapter i2c_adap;
113 	unsigned int i2cbug;
114 
115 	/* irq */
116 	unsigned int overflow;
117 	unsigned int dead;
118 
119 	/* dma */
120 	dma_addr_t dma_addr;
121 	u8 dma_buf[TS_DMA_BYTES];
122 	u8 dummy[4096];
123 };
124 
125 static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
126 {
127 	return container_of(feed->demux, struct pluto, demux);
128 }
129 
130 static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
131 {
132 	return container_of(fe->dvb, struct pluto, dvb_adapter);
133 }
134 
135 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
136 {
137 	return readl(&pluto->io_mem[reg]);
138 }
139 
140 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
141 {
142 	writel(val, &pluto->io_mem[reg]);
143 }
144 
145 static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
146 {
147 	u32 val = readl(&pluto->io_mem[reg]);
148 	val &= ~mask;
149 	val |= bits;
150 	writel(val, &pluto->io_mem[reg]);
151 }
152 
153 static void pluto_write_tscr(struct pluto *pluto, u32 val)
154 {
155 	/* set the number of packets */
156 	val &= ~TSCR_ADEF;
157 	val |= TS_DMA_PACKETS / 2;
158 
159 	pluto_writereg(pluto, REG_TSCR, val);
160 }
161 
162 static void pluto_setsda(void *data, int state)
163 {
164 	struct pluto *pluto = data;
165 
166 	if (state)
167 		pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
168 	else
169 		pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
170 }
171 
172 static void pluto_setscl(void *data, int state)
173 {
174 	struct pluto *pluto = data;
175 
176 	if (state)
177 		pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
178 	else
179 		pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
180 
181 	/* try to detect i2c_inb() to workaround hardware bug:
182 	 * reset SDA to high after SCL has been set to low */
183 	if ((state) && (pluto->i2cbug == 0)) {
184 		pluto->i2cbug = 1;
185 	} else {
186 		if ((!state) && (pluto->i2cbug == 1))
187 			pluto_setsda(pluto, 1);
188 		pluto->i2cbug = 0;
189 	}
190 }
191 
192 static int pluto_getsda(void *data)
193 {
194 	struct pluto *pluto = data;
195 
196 	return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
197 }
198 
199 static int pluto_getscl(void *data)
200 {
201 	struct pluto *pluto = data;
202 
203 	return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
204 }
205 
206 static void pluto_reset_frontend(struct pluto *pluto, int reenable)
207 {
208 	u32 val = pluto_readreg(pluto, REG_MISC);
209 
210 	if (val & MISC_FRST) {
211 		val &= ~MISC_FRST;
212 		pluto_writereg(pluto, REG_MISC, val);
213 	}
214 	if (reenable) {
215 		val |= MISC_FRST;
216 		pluto_writereg(pluto, REG_MISC, val);
217 	}
218 }
219 
220 static void pluto_reset_ts(struct pluto *pluto, int reenable)
221 {
222 	u32 val = pluto_readreg(pluto, REG_TSCR);
223 
224 	if (val & TSCR_RSTN) {
225 		val &= ~TSCR_RSTN;
226 		pluto_write_tscr(pluto, val);
227 	}
228 	if (reenable) {
229 		val |= TSCR_RSTN;
230 		pluto_write_tscr(pluto, val);
231 	}
232 }
233 
234 static void pluto_set_dma_addr(struct pluto *pluto)
235 {
236 	pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
237 }
238 
239 static int pluto_dma_map(struct pluto *pluto)
240 {
241 	pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
242 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
243 
244 	return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
245 }
246 
247 static void pluto_dma_unmap(struct pluto *pluto)
248 {
249 	pci_unmap_single(pluto->pdev, pluto->dma_addr,
250 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
251 }
252 
253 static int pluto_start_feed(struct dvb_demux_feed *f)
254 {
255 	struct pluto *pluto = feed_to_pluto(f);
256 
257 	/* enable PID filtering */
258 	if (pluto->users++ == 0)
259 		pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
260 
261 	if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
262 		pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
263 	else if (pluto->full_ts_users++ == 0)
264 		pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
265 
266 	return 0;
267 }
268 
269 static int pluto_stop_feed(struct dvb_demux_feed *f)
270 {
271 	struct pluto *pluto = feed_to_pluto(f);
272 
273 	/* disable PID filtering */
274 	if (--pluto->users == 0)
275 		pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
276 
277 	if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
278 		pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
279 	else if (--pluto->full_ts_users == 0)
280 		pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
281 
282 	return 0;
283 }
284 
285 static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
286 {
287 	/* synchronize the DMA transfer with the CPU
288 	 * first so that we see updated contents. */
289 	pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
290 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
291 
292 	/* Workaround for broken hardware:
293 	 * [1] On startup NBPACKETS seems to contain an uninitialized value,
294 	 *     but no packets have been transferred.
295 	 * [2] Sometimes (actually very often) NBPACKETS stays at zero
296 	 *     although one packet has been transferred.
297 	 * [3] Sometimes (actually rarely), the card gets into an erroneous
298 	 *     mode where it continuously generates interrupts, claiming it
299 	 *     has received nbpackets>TS_DMA_PACKETS packets, but no packet
300 	 *     has been transferred. Only a reset seems to solve this
301 	 */
302 	if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
303 		unsigned int i = 0;
304 		while (pluto->dma_buf[i] == 0x47)
305 			i += 188;
306 		nbpackets = i / 188;
307 		if (i == 0) {
308 			pluto_reset_ts(pluto, 1);
309 			dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
310 		}
311 	}
312 
313 	dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
314 
315 	/* clear the dma buffer. this is needed to be able to identify
316 	 * new valid ts packets above */
317 	memset(pluto->dma_buf, 0, nbpackets * 188);
318 
319 	/* reset the dma address */
320 	pluto_set_dma_addr(pluto);
321 
322 	/* sync the buffer and give it back to the card */
323 	pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
324 			TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
325 }
326 
327 static irqreturn_t pluto_irq(int irq, void *dev_id)
328 {
329 	struct pluto *pluto = dev_id;
330 	u32 tscr;
331 
332 	/* check whether an interrupt occurred on this device */
333 	tscr = pluto_readreg(pluto, REG_TSCR);
334 	if (!(tscr & (TSCR_DE | TSCR_OVR)))
335 		return IRQ_NONE;
336 
337 	if (tscr == 0xffffffff) {
338 		if (pluto->dead == 0)
339 			dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
340 		/* It's dead Jim */
341 		pluto->dead = 1;
342 		return IRQ_HANDLED;
343 	}
344 
345 	/* dma end interrupt */
346 	if (tscr & TSCR_DE) {
347 		pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
348 		/* overflow interrupt */
349 		if (tscr & TSCR_OVR)
350 			pluto->overflow++;
351 		if (pluto->overflow) {
352 			dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
353 					pluto->overflow);
354 			pluto_reset_ts(pluto, 1);
355 			pluto->overflow = 0;
356 		}
357 	} else if (tscr & TSCR_OVR) {
358 		pluto->overflow++;
359 	}
360 
361 	/* ACK the interrupt */
362 	pluto_write_tscr(pluto, tscr | TSCR_IACK);
363 
364 	return IRQ_HANDLED;
365 }
366 
367 static void pluto_enable_irqs(struct pluto *pluto)
368 {
369 	u32 val = pluto_readreg(pluto, REG_TSCR);
370 
371 	/* disable AFUL and LOCK interrupts */
372 	val |= (TSCR_MSKA | TSCR_MSKL);
373 	/* enable DMA and OVERFLOW interrupts */
374 	val &= ~(TSCR_DEM | TSCR_MSKO);
375 	/* clear pending interrupts */
376 	val |= TSCR_IACK;
377 
378 	pluto_write_tscr(pluto, val);
379 }
380 
381 static void pluto_disable_irqs(struct pluto *pluto)
382 {
383 	u32 val = pluto_readreg(pluto, REG_TSCR);
384 
385 	/* disable all interrupts */
386 	val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
387 	/* clear pending interrupts */
388 	val |= TSCR_IACK;
389 
390 	pluto_write_tscr(pluto, val);
391 }
392 
393 static int pluto_hw_init(struct pluto *pluto)
394 {
395 	pluto_reset_frontend(pluto, 1);
396 
397 	/* set automatic LED control by FPGA */
398 	pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
399 
400 	/* set data endianness */
401 #ifdef __LITTLE_ENDIAN
402 	pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
403 #else
404 	pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
405 #endif
406 	/* map DMA and set address */
407 	pluto_dma_map(pluto);
408 	pluto_set_dma_addr(pluto);
409 
410 	/* enable interrupts */
411 	pluto_enable_irqs(pluto);
412 
413 	/* reset TS logic */
414 	pluto_reset_ts(pluto, 1);
415 
416 	return 0;
417 }
418 
419 static void pluto_hw_exit(struct pluto *pluto)
420 {
421 	/* disable interrupts */
422 	pluto_disable_irqs(pluto);
423 
424 	pluto_reset_ts(pluto, 0);
425 
426 	/* LED: disable automatic control, enable yellow, disable green */
427 	pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
428 
429 	/* unmap DMA */
430 	pluto_dma_unmap(pluto);
431 
432 	pluto_reset_frontend(pluto, 0);
433 }
434 
435 static inline u32 divide(u32 numerator, u32 denominator)
436 {
437 	if (denominator == 0)
438 		return ~0;
439 
440 	return DIV_ROUND_CLOSEST(numerator, denominator);
441 }
442 
443 /* LG Innotek TDTE-E001P (Infineon TUA6034) */
444 static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe)
445 {
446 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
447 	struct pluto *pluto = frontend_to_pluto(fe);
448 	struct i2c_msg msg;
449 	int ret;
450 	u8 buf[4];
451 	u32 div;
452 
453 	// Fref = 166.667 Hz
454 	// Fref * 3 = 500.000 Hz
455 	// IF = 36166667
456 	// IF / Fref = 217
457 	//div = divide(p->frequency + 36166667, 166667);
458 	div = divide(p->frequency * 3, 500000) + 217;
459 	buf[0] = (div >> 8) & 0x7f;
460 	buf[1] = (div >> 0) & 0xff;
461 
462 	if (p->frequency < 611000000)
463 		buf[2] = 0xb4;
464 	else if (p->frequency < 811000000)
465 		buf[2] = 0xbc;
466 	else
467 		buf[2] = 0xf4;
468 
469 	// VHF: 174-230 MHz
470 	// center: 350 MHz
471 	// UHF: 470-862 MHz
472 	if (p->frequency < 350000000)
473 		buf[3] = 0x02;
474 	else
475 		buf[3] = 0x04;
476 
477 	if (p->bandwidth_hz == 8000000)
478 		buf[3] |= 0x08;
479 
480 	msg.addr = I2C_ADDR_TUA6034 >> 1;
481 	msg.flags = 0;
482 	msg.buf = buf;
483 	msg.len = sizeof(buf);
484 
485 	if (fe->ops.i2c_gate_ctrl)
486 		fe->ops.i2c_gate_ctrl(fe, 1);
487 	ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
488 	if (ret < 0)
489 		return ret;
490 	else if (ret == 0)
491 		return -EREMOTEIO;
492 
493 	return 0;
494 }
495 
496 static int pluto2_request_firmware(struct dvb_frontend *fe,
497 				   const struct firmware **fw, char *name)
498 {
499 	struct pluto *pluto = frontend_to_pluto(fe);
500 
501 	return request_firmware(fw, name, &pluto->pdev->dev);
502 }
503 
504 static struct tda1004x_config pluto2_fe_config = {
505 	.demod_address = I2C_ADDR_TDA10046 >> 1,
506 	.invert = 1,
507 	.invert_oclk = 0,
508 	.xtal_freq = TDA10046_XTAL_16M,
509 	.agc_config = TDA10046_AGC_DEFAULT,
510 	.if_freq = TDA10046_FREQ_3617,
511 	.request_firmware = pluto2_request_firmware,
512 };
513 
514 static int frontend_init(struct pluto *pluto)
515 {
516 	int ret;
517 
518 	pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
519 	if (!pluto->fe) {
520 		dev_err(&pluto->pdev->dev, "could not attach frontend\n");
521 		return -ENODEV;
522 	}
523 	pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
524 
525 	ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
526 	if (ret < 0) {
527 		if (pluto->fe->ops.release)
528 			pluto->fe->ops.release(pluto->fe);
529 		return ret;
530 	}
531 
532 	return 0;
533 }
534 
535 static void pluto_read_rev(struct pluto *pluto)
536 {
537 	u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
538 	dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
539 			(val >> 12) & 0x0f, (val >> 4) & 0xff);
540 }
541 
542 static void pluto_read_mac(struct pluto *pluto, u8 *mac)
543 {
544 	u32 val = pluto_readreg(pluto, REG_MMAC);
545 	mac[0] = (val >> 8) & 0xff;
546 	mac[1] = (val >> 0) & 0xff;
547 
548 	val = pluto_readreg(pluto, REG_IMAC);
549 	mac[2] = (val >> 8) & 0xff;
550 	mac[3] = (val >> 0) & 0xff;
551 
552 	val = pluto_readreg(pluto, REG_LMAC);
553 	mac[4] = (val >> 8) & 0xff;
554 	mac[5] = (val >> 0) & 0xff;
555 
556 	dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
557 }
558 
559 static int pluto_read_serial(struct pluto *pluto)
560 {
561 	struct pci_dev *pdev = pluto->pdev;
562 	unsigned int i, j;
563 	u8 __iomem *cis;
564 
565 	cis = pci_iomap(pdev, 1, 0);
566 	if (!cis)
567 		return -EIO;
568 
569 	dev_info(&pdev->dev, "S/N ");
570 
571 	for (i = 0xe0; i < 0x100; i += 4) {
572 		u32 val = readl(&cis[i]);
573 		for (j = 0; j < 32; j += 8) {
574 			if ((val & 0xff) == 0xff)
575 				goto out;
576 			printk(KERN_CONT "%c", val & 0xff);
577 			val >>= 8;
578 		}
579 	}
580 out:
581 	printk(KERN_CONT "\n");
582 	pci_iounmap(pdev, cis);
583 
584 	return 0;
585 }
586 
587 static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
588 {
589 	struct pluto *pluto;
590 	struct dvb_adapter *dvb_adapter;
591 	struct dvb_demux *dvbdemux;
592 	struct dmx_demux *dmx;
593 	int ret = -ENOMEM;
594 
595 	pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
596 	if (!pluto)
597 		goto out;
598 
599 	pluto->pdev = pdev;
600 
601 	ret = pci_enable_device(pdev);
602 	if (ret < 0)
603 		goto err_kfree;
604 
605 	/* enable interrupts */
606 	pci_write_config_dword(pdev, 0x6c, 0x8000);
607 
608 	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
609 	if (ret < 0)
610 		goto err_pci_disable_device;
611 
612 	pci_set_master(pdev);
613 
614 	ret = pci_request_regions(pdev, DRIVER_NAME);
615 	if (ret < 0)
616 		goto err_pci_disable_device;
617 
618 	pluto->io_mem = pci_iomap(pdev, 0, 0x40);
619 	if (!pluto->io_mem) {
620 		ret = -EIO;
621 		goto err_pci_release_regions;
622 	}
623 
624 	pci_set_drvdata(pdev, pluto);
625 
626 	ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
627 	if (ret < 0)
628 		goto err_pci_iounmap;
629 
630 	ret = pluto_hw_init(pluto);
631 	if (ret < 0)
632 		goto err_free_irq;
633 
634 	/* i2c */
635 	i2c_set_adapdata(&pluto->i2c_adap, pluto);
636 	strscpy(pluto->i2c_adap.name, DRIVER_NAME, sizeof(pluto->i2c_adap.name));
637 	pluto->i2c_adap.owner = THIS_MODULE;
638 	pluto->i2c_adap.dev.parent = &pdev->dev;
639 	pluto->i2c_adap.algo_data = &pluto->i2c_bit;
640 	pluto->i2c_bit.data = pluto;
641 	pluto->i2c_bit.setsda = pluto_setsda;
642 	pluto->i2c_bit.setscl = pluto_setscl;
643 	pluto->i2c_bit.getsda = pluto_getsda;
644 	pluto->i2c_bit.getscl = pluto_getscl;
645 	pluto->i2c_bit.udelay = 10;
646 	pluto->i2c_bit.timeout = 10;
647 
648 	/* Raise SCL and SDA */
649 	pluto_setsda(pluto, 1);
650 	pluto_setscl(pluto, 1);
651 
652 	ret = i2c_bit_add_bus(&pluto->i2c_adap);
653 	if (ret < 0)
654 		goto err_pluto_hw_exit;
655 
656 	/* dvb */
657 	ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
658 				   THIS_MODULE, &pdev->dev, adapter_nr);
659 	if (ret < 0)
660 		goto err_i2c_del_adapter;
661 
662 	dvb_adapter = &pluto->dvb_adapter;
663 
664 	pluto_read_rev(pluto);
665 	pluto_read_serial(pluto);
666 	pluto_read_mac(pluto, dvb_adapter->proposed_mac);
667 
668 	dvbdemux = &pluto->demux;
669 	dvbdemux->filternum = 256;
670 	dvbdemux->feednum = 256;
671 	dvbdemux->start_feed = pluto_start_feed;
672 	dvbdemux->stop_feed = pluto_stop_feed;
673 	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
674 			DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
675 	ret = dvb_dmx_init(dvbdemux);
676 	if (ret < 0)
677 		goto err_dvb_unregister_adapter;
678 
679 	dmx = &dvbdemux->dmx;
680 
681 	pluto->hw_frontend.source = DMX_FRONTEND_0;
682 	pluto->mem_frontend.source = DMX_MEMORY_FE;
683 	pluto->dmxdev.filternum = NHWFILTERS;
684 	pluto->dmxdev.demux = dmx;
685 
686 	ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
687 	if (ret < 0)
688 		goto err_dvb_dmx_release;
689 
690 	ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
691 	if (ret < 0)
692 		goto err_dvb_dmxdev_release;
693 
694 	ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
695 	if (ret < 0)
696 		goto err_remove_hw_frontend;
697 
698 	ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
699 	if (ret < 0)
700 		goto err_remove_mem_frontend;
701 
702 	ret = frontend_init(pluto);
703 	if (ret < 0)
704 		goto err_disconnect_frontend;
705 
706 	dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
707 out:
708 	return ret;
709 
710 err_disconnect_frontend:
711 	dmx->disconnect_frontend(dmx);
712 err_remove_mem_frontend:
713 	dmx->remove_frontend(dmx, &pluto->mem_frontend);
714 err_remove_hw_frontend:
715 	dmx->remove_frontend(dmx, &pluto->hw_frontend);
716 err_dvb_dmxdev_release:
717 	dvb_dmxdev_release(&pluto->dmxdev);
718 err_dvb_dmx_release:
719 	dvb_dmx_release(dvbdemux);
720 err_dvb_unregister_adapter:
721 	dvb_unregister_adapter(dvb_adapter);
722 err_i2c_del_adapter:
723 	i2c_del_adapter(&pluto->i2c_adap);
724 err_pluto_hw_exit:
725 	pluto_hw_exit(pluto);
726 err_free_irq:
727 	free_irq(pdev->irq, pluto);
728 err_pci_iounmap:
729 	pci_iounmap(pdev, pluto->io_mem);
730 err_pci_release_regions:
731 	pci_release_regions(pdev);
732 err_pci_disable_device:
733 	pci_disable_device(pdev);
734 err_kfree:
735 	kfree(pluto);
736 	goto out;
737 }
738 
739 static void pluto2_remove(struct pci_dev *pdev)
740 {
741 	struct pluto *pluto = pci_get_drvdata(pdev);
742 	struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
743 	struct dvb_demux *dvbdemux = &pluto->demux;
744 	struct dmx_demux *dmx = &dvbdemux->dmx;
745 
746 	dmx->close(dmx);
747 	dvb_net_release(&pluto->dvbnet);
748 	if (pluto->fe)
749 		dvb_unregister_frontend(pluto->fe);
750 
751 	dmx->disconnect_frontend(dmx);
752 	dmx->remove_frontend(dmx, &pluto->mem_frontend);
753 	dmx->remove_frontend(dmx, &pluto->hw_frontend);
754 	dvb_dmxdev_release(&pluto->dmxdev);
755 	dvb_dmx_release(dvbdemux);
756 	dvb_unregister_adapter(dvb_adapter);
757 	i2c_del_adapter(&pluto->i2c_adap);
758 	pluto_hw_exit(pluto);
759 	free_irq(pdev->irq, pluto);
760 	pci_iounmap(pdev, pluto->io_mem);
761 	pci_release_regions(pdev);
762 	pci_disable_device(pdev);
763 	kfree(pluto);
764 }
765 
766 #ifndef PCI_VENDOR_ID_SCM
767 #define PCI_VENDOR_ID_SCM	0x0432
768 #endif
769 #ifndef PCI_DEVICE_ID_PLUTO2
770 #define PCI_DEVICE_ID_PLUTO2	0x0001
771 #endif
772 
773 static const struct pci_device_id pluto2_id_table[] = {
774 	{
775 		.vendor = PCI_VENDOR_ID_SCM,
776 		.device = PCI_DEVICE_ID_PLUTO2,
777 		.subvendor = PCI_ANY_ID,
778 		.subdevice = PCI_ANY_ID,
779 	}, {
780 		/* empty */
781 	},
782 };
783 
784 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
785 
786 static struct pci_driver pluto2_driver = {
787 	.name = DRIVER_NAME,
788 	.id_table = pluto2_id_table,
789 	.probe = pluto2_probe,
790 	.remove = pluto2_remove,
791 };
792 
793 module_pci_driver(pluto2_driver);
794 
795 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
796 MODULE_DESCRIPTION("Pluto2 driver");
797 MODULE_LICENSE("GPL");
798