Version:  2.0.40 2.2.26 2.4.37 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18

Linux/drivers/media/pci/pluto2/pluto2.c

  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 

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