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
feed_to_pluto(struct dvb_demux_feed * feed)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
frontend_to_pluto(struct dvb_frontend * fe)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
pluto_readreg(struct pluto * pluto,u32 reg)139 static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
140 {
141 return readl(&pluto->io_mem[reg]);
142 }
143
pluto_writereg(struct pluto * pluto,u32 reg,u32 val)144 static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
145 {
146 writel(val, &pluto->io_mem[reg]);
147 }
148
pluto_rw(struct pluto * pluto,u32 reg,u32 mask,u32 bits)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
pluto_write_tscr(struct pluto * pluto,u32 val)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
pluto_setsda(void * data,int state)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
pluto_setscl(void * data,int state)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
pluto_getsda(void * data)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
pluto_getscl(void * data)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
pluto_reset_frontend(struct pluto * pluto,int reenable)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
pluto_reset_ts(struct pluto * pluto,int reenable)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
pluto_set_dma_addr(struct pluto * pluto)238 static void pluto_set_dma_addr(struct pluto *pluto)
239 {
240 pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
241 }
242
pluto_dma_map(struct pluto * pluto)243 static int __devinit 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
pluto_dma_unmap(struct pluto * pluto)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
pluto_start_feed(struct dvb_demux_feed * f)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
pluto_stop_feed(struct dvb_demux_feed * f)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
pluto_dma_end(struct pluto * pluto,unsigned int nbpackets)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
pluto_irq(int irq,void * dev_id)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
pluto_enable_irqs(struct pluto * pluto)371 static void __devinit 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
pluto_disable_irqs(struct pluto * pluto)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
pluto_hw_init(struct pluto * pluto)397 static int __devinit 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 endianess */
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
pluto_hw_exit(struct pluto * pluto)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
divide(u32 numerator,u32 denominator)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) */
lg_tdtpe001p_tuner_set_params(struct dvb_frontend * fe)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 if (sizeof(buf) == 6) {
485 buf[4] = buf[2];
486 buf[4] &= ~0x1c;
487 buf[4] |= 0x18;
488
489 buf[5] = (0 << 7) | (2 << 4);
490 }
491
492 msg.addr = I2C_ADDR_TUA6034 >> 1;
493 msg.flags = 0;
494 msg.buf = buf;
495 msg.len = sizeof(buf);
496
497 if (fe->ops.i2c_gate_ctrl)
498 fe->ops.i2c_gate_ctrl(fe, 1);
499 ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
500 if (ret < 0)
501 return ret;
502 else if (ret == 0)
503 return -EREMOTEIO;
504
505 return 0;
506 }
507
pluto2_request_firmware(struct dvb_frontend * fe,const struct firmware ** fw,char * name)508 static int pluto2_request_firmware(struct dvb_frontend *fe,
509 const struct firmware **fw, char *name)
510 {
511 struct pluto *pluto = frontend_to_pluto(fe);
512
513 return request_firmware(fw, name, &pluto->pdev->dev);
514 }
515
516 static struct tda1004x_config pluto2_fe_config __devinitdata = {
517 .demod_address = I2C_ADDR_TDA10046 >> 1,
518 .invert = 1,
519 .invert_oclk = 0,
520 .xtal_freq = TDA10046_XTAL_16M,
521 .agc_config = TDA10046_AGC_DEFAULT,
522 .if_freq = TDA10046_FREQ_3617,
523 .request_firmware = pluto2_request_firmware,
524 };
525
frontend_init(struct pluto * pluto)526 static int __devinit frontend_init(struct pluto *pluto)
527 {
528 int ret;
529
530 pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
531 if (!pluto->fe) {
532 dev_err(&pluto->pdev->dev, "could not attach frontend\n");
533 return -ENODEV;
534 }
535 pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
536
537 ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
538 if (ret < 0) {
539 if (pluto->fe->ops.release)
540 pluto->fe->ops.release(pluto->fe);
541 return ret;
542 }
543
544 return 0;
545 }
546
pluto_read_rev(struct pluto * pluto)547 static void __devinit pluto_read_rev(struct pluto *pluto)
548 {
549 u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
550 dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
551 (val >> 12) & 0x0f, (val >> 4) & 0xff);
552 }
553
pluto_read_mac(struct pluto * pluto,u8 * mac)554 static void __devinit pluto_read_mac(struct pluto *pluto, u8 *mac)
555 {
556 u32 val = pluto_readreg(pluto, REG_MMAC);
557 mac[0] = (val >> 8) & 0xff;
558 mac[1] = (val >> 0) & 0xff;
559
560 val = pluto_readreg(pluto, REG_IMAC);
561 mac[2] = (val >> 8) & 0xff;
562 mac[3] = (val >> 0) & 0xff;
563
564 val = pluto_readreg(pluto, REG_LMAC);
565 mac[4] = (val >> 8) & 0xff;
566 mac[5] = (val >> 0) & 0xff;
567
568 dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
569 }
570
pluto_read_serial(struct pluto * pluto)571 static int __devinit pluto_read_serial(struct pluto *pluto)
572 {
573 struct pci_dev *pdev = pluto->pdev;
574 unsigned int i, j;
575 u8 __iomem *cis;
576
577 cis = pci_iomap(pdev, 1, 0);
578 if (!cis)
579 return -EIO;
580
581 dev_info(&pdev->dev, "S/N ");
582
583 for (i = 0xe0; i < 0x100; i += 4) {
584 u32 val = readl(&cis[i]);
585 for (j = 0; j < 32; j += 8) {
586 if ((val & 0xff) == 0xff)
587 goto out;
588 printk("%c", val & 0xff);
589 val >>= 8;
590 }
591 }
592 out:
593 printk("\n");
594 pci_iounmap(pdev, cis);
595
596 return 0;
597 }
598
pluto2_probe(struct pci_dev * pdev,const struct pci_device_id * ent)599 static int __devinit pluto2_probe(struct pci_dev *pdev,
600 const struct pci_device_id *ent)
601 {
602 struct pluto *pluto;
603 struct dvb_adapter *dvb_adapter;
604 struct dvb_demux *dvbdemux;
605 struct dmx_demux *dmx;
606 int ret = -ENOMEM;
607
608 pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL);
609 if (!pluto)
610 goto out;
611
612 pluto->pdev = pdev;
613
614 ret = pci_enable_device(pdev);
615 if (ret < 0)
616 goto err_kfree;
617
618 /* enable interrupts */
619 pci_write_config_dword(pdev, 0x6c, 0x8000);
620
621 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
622 if (ret < 0)
623 goto err_pci_disable_device;
624
625 pci_set_master(pdev);
626
627 ret = pci_request_regions(pdev, DRIVER_NAME);
628 if (ret < 0)
629 goto err_pci_disable_device;
630
631 pluto->io_mem = pci_iomap(pdev, 0, 0x40);
632 if (!pluto->io_mem) {
633 ret = -EIO;
634 goto err_pci_release_regions;
635 }
636
637 pci_set_drvdata(pdev, pluto);
638
639 ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
640 if (ret < 0)
641 goto err_pci_iounmap;
642
643 ret = pluto_hw_init(pluto);
644 if (ret < 0)
645 goto err_free_irq;
646
647 /* i2c */
648 i2c_set_adapdata(&pluto->i2c_adap, pluto);
649 strcpy(pluto->i2c_adap.name, DRIVER_NAME);
650 pluto->i2c_adap.owner = THIS_MODULE;
651 pluto->i2c_adap.dev.parent = &pdev->dev;
652 pluto->i2c_adap.algo_data = &pluto->i2c_bit;
653 pluto->i2c_bit.data = pluto;
654 pluto->i2c_bit.setsda = pluto_setsda;
655 pluto->i2c_bit.setscl = pluto_setscl;
656 pluto->i2c_bit.getsda = pluto_getsda;
657 pluto->i2c_bit.getscl = pluto_getscl;
658 pluto->i2c_bit.udelay = 10;
659 pluto->i2c_bit.timeout = 10;
660
661 /* Raise SCL and SDA */
662 pluto_setsda(pluto, 1);
663 pluto_setscl(pluto, 1);
664
665 ret = i2c_bit_add_bus(&pluto->i2c_adap);
666 if (ret < 0)
667 goto err_pluto_hw_exit;
668
669 /* dvb */
670 ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
671 THIS_MODULE, &pdev->dev, adapter_nr);
672 if (ret < 0)
673 goto err_i2c_del_adapter;
674
675 dvb_adapter = &pluto->dvb_adapter;
676
677 pluto_read_rev(pluto);
678 pluto_read_serial(pluto);
679 pluto_read_mac(pluto, dvb_adapter->proposed_mac);
680
681 dvbdemux = &pluto->demux;
682 dvbdemux->filternum = 256;
683 dvbdemux->feednum = 256;
684 dvbdemux->start_feed = pluto_start_feed;
685 dvbdemux->stop_feed = pluto_stop_feed;
686 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
687 DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
688 ret = dvb_dmx_init(dvbdemux);
689 if (ret < 0)
690 goto err_dvb_unregister_adapter;
691
692 dmx = &dvbdemux->dmx;
693
694 pluto->hw_frontend.source = DMX_FRONTEND_0;
695 pluto->mem_frontend.source = DMX_MEMORY_FE;
696 pluto->dmxdev.filternum = NHWFILTERS;
697 pluto->dmxdev.demux = dmx;
698
699 ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
700 if (ret < 0)
701 goto err_dvb_dmx_release;
702
703 ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
704 if (ret < 0)
705 goto err_dvb_dmxdev_release;
706
707 ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
708 if (ret < 0)
709 goto err_remove_hw_frontend;
710
711 ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
712 if (ret < 0)
713 goto err_remove_mem_frontend;
714
715 ret = frontend_init(pluto);
716 if (ret < 0)
717 goto err_disconnect_frontend;
718
719 dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
720 out:
721 return ret;
722
723 err_disconnect_frontend:
724 dmx->disconnect_frontend(dmx);
725 err_remove_mem_frontend:
726 dmx->remove_frontend(dmx, &pluto->mem_frontend);
727 err_remove_hw_frontend:
728 dmx->remove_frontend(dmx, &pluto->hw_frontend);
729 err_dvb_dmxdev_release:
730 dvb_dmxdev_release(&pluto->dmxdev);
731 err_dvb_dmx_release:
732 dvb_dmx_release(dvbdemux);
733 err_dvb_unregister_adapter:
734 dvb_unregister_adapter(dvb_adapter);
735 err_i2c_del_adapter:
736 i2c_del_adapter(&pluto->i2c_adap);
737 err_pluto_hw_exit:
738 pluto_hw_exit(pluto);
739 err_free_irq:
740 free_irq(pdev->irq, pluto);
741 err_pci_iounmap:
742 pci_iounmap(pdev, pluto->io_mem);
743 err_pci_release_regions:
744 pci_release_regions(pdev);
745 err_pci_disable_device:
746 pci_disable_device(pdev);
747 err_kfree:
748 pci_set_drvdata(pdev, NULL);
749 kfree(pluto);
750 goto out;
751 }
752
pluto2_remove(struct pci_dev * pdev)753 static void __devexit pluto2_remove(struct pci_dev *pdev)
754 {
755 struct pluto *pluto = pci_get_drvdata(pdev);
756 struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
757 struct dvb_demux *dvbdemux = &pluto->demux;
758 struct dmx_demux *dmx = &dvbdemux->dmx;
759
760 dmx->close(dmx);
761 dvb_net_release(&pluto->dvbnet);
762 if (pluto->fe)
763 dvb_unregister_frontend(pluto->fe);
764
765 dmx->disconnect_frontend(dmx);
766 dmx->remove_frontend(dmx, &pluto->mem_frontend);
767 dmx->remove_frontend(dmx, &pluto->hw_frontend);
768 dvb_dmxdev_release(&pluto->dmxdev);
769 dvb_dmx_release(dvbdemux);
770 dvb_unregister_adapter(dvb_adapter);
771 i2c_del_adapter(&pluto->i2c_adap);
772 pluto_hw_exit(pluto);
773 free_irq(pdev->irq, pluto);
774 pci_iounmap(pdev, pluto->io_mem);
775 pci_release_regions(pdev);
776 pci_disable_device(pdev);
777 pci_set_drvdata(pdev, NULL);
778 kfree(pluto);
779 }
780
781 #ifndef PCI_VENDOR_ID_SCM
782 #define PCI_VENDOR_ID_SCM 0x0432
783 #endif
784 #ifndef PCI_DEVICE_ID_PLUTO2
785 #define PCI_DEVICE_ID_PLUTO2 0x0001
786 #endif
787
788 static struct pci_device_id pluto2_id_table[] __devinitdata = {
789 {
790 .vendor = PCI_VENDOR_ID_SCM,
791 .device = PCI_DEVICE_ID_PLUTO2,
792 .subvendor = PCI_ANY_ID,
793 .subdevice = PCI_ANY_ID,
794 }, {
795 /* empty */
796 },
797 };
798
799 MODULE_DEVICE_TABLE(pci, pluto2_id_table);
800
801 static struct pci_driver pluto2_driver = {
802 .name = DRIVER_NAME,
803 .id_table = pluto2_id_table,
804 .probe = pluto2_probe,
805 .remove = __devexit_p(pluto2_remove),
806 };
807
pluto2_init(void)808 static int __init pluto2_init(void)
809 {
810 return pci_register_driver(&pluto2_driver);
811 }
812
pluto2_exit(void)813 static void __exit pluto2_exit(void)
814 {
815 pci_unregister_driver(&pluto2_driver);
816 }
817
818 module_init(pluto2_init);
819 module_exit(pluto2_exit);
820
821 MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
822 MODULE_DESCRIPTION("Pluto2 driver");
823 MODULE_LICENSE("GPL");
824