?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
s390/ptrace: get rid of long longs in psw_bits
[linux/fpc-iii.git] / drivers / media / pci / dm1105 / dm1105.c
blob88915fb87e80d7dc5a3b6cd193d36cdcee409ce1
1 /*
2 * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip
3 *
4 * Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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/proc_fs.h>
29 #include <linux/pci.h>
30 #include <linux/dma-mapping.h>
31 #include <linux/slab.h>
32 #include <media/rc-core.h>
33
34 #include "demux.h"
35 #include "dmxdev.h"
36 #include "dvb_demux.h"
37 #include "dvb_frontend.h"
38 #include "dvb_net.h"
39 #include "dvbdev.h"
40 #include "dvb-pll.h"
41
42 #include "stv0299.h"
43 #include "stv0288.h"
44 #include "stb6000.h"
45 #include "si21xx.h"
46 #include "cx24116.h"
47 #include "z0194a.h"
48 #include "ts2020.h"
49 #include "ds3000.h"
50
51 #define MODULE_NAME "dm1105"
52
53 #define UNSET (-1U)
54
55 #define DM1105_BOARD_NOAUTO UNSET
56 #define DM1105_BOARD_UNKNOWN 0
57 #define DM1105_BOARD_DVBWORLD_2002 1
58 #define DM1105_BOARD_DVBWORLD_2004 2
59 #define DM1105_BOARD_AXESS_DM05 3
60 #define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO 4
61
62 /* ----------------------------------------------- */
63 /*
64 * PCI ID's
65 */
66 #ifndef PCI_VENDOR_ID_TRIGEM
67 #define PCI_VENDOR_ID_TRIGEM 0x109f
68 #endif
69 #ifndef PCI_VENDOR_ID_AXESS
70 #define PCI_VENDOR_ID_AXESS 0x195d
71 #endif
72 #ifndef PCI_DEVICE_ID_DM1105
73 #define PCI_DEVICE_ID_DM1105 0x036f
74 #endif
75 #ifndef PCI_DEVICE_ID_DW2002
76 #define PCI_DEVICE_ID_DW2002 0x2002
77 #endif
78 #ifndef PCI_DEVICE_ID_DW2004
79 #define PCI_DEVICE_ID_DW2004 0x2004
80 #endif
81 #ifndef PCI_DEVICE_ID_DM05
82 #define PCI_DEVICE_ID_DM05 0x1105
83 #endif
84 /* ----------------------------------------------- */
85 /* sdmc dm1105 registers */
86
87 /* TS Control */
88 #define DM1105_TSCTR 0x00
89 #define DM1105_DTALENTH 0x04
90
91 /* GPIO Interface */
92 #define DM1105_GPIOVAL 0x08
93 #define DM1105_GPIOCTR 0x0c
94
95 /* PID serial number */
96 #define DM1105_PIDN 0x10
97
98 /* Odd-even secret key select */
99 #define DM1105_CWSEL 0x14
100
101 /* Host Command Interface */
102 #define DM1105_HOST_CTR 0x18
103 #define DM1105_HOST_AD 0x1c
104
105 /* PCI Interface */
106 #define DM1105_CR 0x30
107 #define DM1105_RST 0x34
108 #define DM1105_STADR 0x38
109 #define DM1105_RLEN 0x3c
110 #define DM1105_WRP 0x40
111 #define DM1105_INTCNT 0x44
112 #define DM1105_INTMAK 0x48
113 #define DM1105_INTSTS 0x4c
114
115 /* CW Value */
116 #define DM1105_ODD 0x50
117 #define DM1105_EVEN 0x58
118
119 /* PID Value */
120 #define DM1105_PID 0x60
121
122 /* IR Control */
123 #define DM1105_IRCTR 0x64
124 #define DM1105_IRMODE 0x68
125 #define DM1105_SYSTEMCODE 0x6c
126 #define DM1105_IRCODE 0x70
127
128 /* Unknown Values */
129 #define DM1105_ENCRYPT 0x74
130 #define DM1105_VER 0x7c
131
132 /* I2C Interface */
133 #define DM1105_I2CCTR 0x80
134 #define DM1105_I2CSTS 0x81
135 #define DM1105_I2CDAT 0x82
136 #define DM1105_I2C_RA 0x83
137 /* ----------------------------------------------- */
138 /* Interrupt Mask Bits */
139
140 #define INTMAK_TSIRQM 0x01
141 #define INTMAK_HIRQM 0x04
142 #define INTMAK_IRM 0x08
143 #define INTMAK_ALLMASK (INTMAK_TSIRQM | \
144 INTMAK_HIRQM | \
145 INTMAK_IRM)
146 #define INTMAK_NONEMASK 0x00
147
148 /* Interrupt Status Bits */
149 #define INTSTS_TSIRQ 0x01
150 #define INTSTS_HIRQ 0x04
151 #define INTSTS_IR 0x08
152
153 /* IR Control Bits */
154 #define DM1105_IR_EN 0x01
155 #define DM1105_SYS_CHK 0x02
156 #define DM1105_REP_FLG 0x08
157
158 /* EEPROM addr */
159 #define IIC_24C01_addr 0xa0
160 /* Max board count */
161 #define DM1105_MAX 0x04
162
163 #define DRIVER_NAME "dm1105"
164 #define DM1105_I2C_GPIO_NAME "dm1105-gpio"
165
166 #define DM1105_DMA_PACKETS 47
167 #define DM1105_DMA_PACKET_LENGTH (128*4)
168 #define DM1105_DMA_BYTES (128 * 4 * DM1105_DMA_PACKETS)
169
170 /* */
171 #define GPIO08 (1 << 8)
172 #define GPIO13 (1 << 13)
173 #define GPIO14 (1 << 14)
174 #define GPIO15 (1 << 15)
175 #define GPIO16 (1 << 16)
176 #define GPIO17 (1 << 17)
177 #define GPIO_ALL 0x03ffff
178
179 /* GPIO's for LNB power control */
180 #define DM1105_LNB_MASK (GPIO_ALL & ~(GPIO14 | GPIO13))
181 #define DM1105_LNB_OFF GPIO17
182 #define DM1105_LNB_13V (GPIO16 | GPIO08)
183 #define DM1105_LNB_18V GPIO08
184
185 /* GPIO's for LNB power control for Axess DM05 */
186 #define DM05_LNB_MASK (GPIO_ALL & ~(GPIO14 | GPIO13))
187 #define DM05_LNB_OFF GPIO17/* actually 13v */
188 #define DM05_LNB_13V GPIO17
189 #define DM05_LNB_18V (GPIO17 | GPIO16)
190
191 /* GPIO's for LNB power control for unbranded with I2C on GPIO */
192 #define UNBR_LNB_MASK (GPIO17 | GPIO16)
193 #define UNBR_LNB_OFF 0
194 #define UNBR_LNB_13V GPIO17
195 #define UNBR_LNB_18V (GPIO17 | GPIO16)
196
197 static unsigned int card[] = {[0 ... 3] = UNSET };
198 module_param_array(card, int, NULL, 0444);
199 MODULE_PARM_DESC(card, "card type");
200
201 static int ir_debug;
202 module_param(ir_debug, int, 0644);
203 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
204
205 static unsigned int dm1105_devcount;
206
207 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
208
209 struct dm1105_board {
210 char *name;
211 struct {
212 u32 mask, off, v13, v18;
213 } lnb;
214 u32 gpio_scl, gpio_sda;
215 };
216
217 struct dm1105_subid {
218 u16 subvendor;
219 u16 subdevice;
220 u32 card;
221 };
222
223 static const struct dm1105_board dm1105_boards[] = {
224 [DM1105_BOARD_UNKNOWN] = {
225 .name = "UNKNOWN/GENERIC",
226 .lnb = {
227 .mask = DM1105_LNB_MASK,
228 .off = DM1105_LNB_OFF,
229 .v13 = DM1105_LNB_13V,
230 .v18 = DM1105_LNB_18V,
231 },
232 },
233 [DM1105_BOARD_DVBWORLD_2002] = {
234 .name = "DVBWorld PCI 2002",
235 .lnb = {
236 .mask = DM1105_LNB_MASK,
237 .off = DM1105_LNB_OFF,
238 .v13 = DM1105_LNB_13V,
239 .v18 = DM1105_LNB_18V,
240 },
241 },
242 [DM1105_BOARD_DVBWORLD_2004] = {
243 .name = "DVBWorld PCI 2004",
244 .lnb = {
245 .mask = DM1105_LNB_MASK,
246 .off = DM1105_LNB_OFF,
247 .v13 = DM1105_LNB_13V,
248 .v18 = DM1105_LNB_18V,
249 },
250 },
251 [DM1105_BOARD_AXESS_DM05] = {
252 .name = "Axess/EasyTv DM05",
253 .lnb = {
254 .mask = DM05_LNB_MASK,
255 .off = DM05_LNB_OFF,
256 .v13 = DM05_LNB_13V,
257 .v18 = DM05_LNB_18V,
258 },
259 },
260 [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
261 .name = "Unbranded DM1105 with i2c on GPIOs",
262 .lnb = {
263 .mask = UNBR_LNB_MASK,
264 .off = UNBR_LNB_OFF,
265 .v13 = UNBR_LNB_13V,
266 .v18 = UNBR_LNB_18V,
267 },
268 .gpio_scl = GPIO14,
269 .gpio_sda = GPIO13,
270 },
271 };
272
273 static const struct dm1105_subid dm1105_subids[] = {
274 {
275 .subvendor = 0x0000,
276 .subdevice = 0x2002,
277 .card = DM1105_BOARD_DVBWORLD_2002,
278 }, {
279 .subvendor = 0x0001,
280 .subdevice = 0x2002,
281 .card = DM1105_BOARD_DVBWORLD_2002,
282 }, {
283 .subvendor = 0x0000,
284 .subdevice = 0x2004,
285 .card = DM1105_BOARD_DVBWORLD_2004,
286 }, {
287 .subvendor = 0x0001,
288 .subdevice = 0x2004,
289 .card = DM1105_BOARD_DVBWORLD_2004,
290 }, {
291 .subvendor = 0x195d,
292 .subdevice = 0x1105,
293 .card = DM1105_BOARD_AXESS_DM05,
294 },
295 };
296
297 static void dm1105_card_list(struct pci_dev *pci)
298 {
299 int i;
300
301 if (0 == pci->subsystem_vendor &&
302 0 == pci->subsystem_device) {
303 printk(KERN_ERR
304 "dm1105: Your board has no valid PCI Subsystem ID\n"
305 "dm1105: and thus can't be autodetected\n"
306 "dm1105: Please pass card=<n> insmod option to\n"
307 "dm1105: workaround that. Redirect complaints to\n"
308 "dm1105: the vendor of the TV card. Best regards,\n"
309 "dm1105: -- tux\n");
310 } else {
311 printk(KERN_ERR
312 "dm1105: Your board isn't known (yet) to the driver.\n"
313 "dm1105: You can try to pick one of the existing\n"
314 "dm1105: card configs via card=<n> insmod option.\n"
315 "dm1105: Updating to the latest version might help\n"
316 "dm1105: as well.\n");
317 }
318 printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
319 "insmod option:\n");
320 for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
321 printk(KERN_ERR "dm1105: card=%d -> %s\n",
322 i, dm1105_boards[i].name);
323 }
324
325 /* infrared remote control */
326 struct infrared {
327 struct rc_dev *dev;
328 char input_phys[32];
329 struct work_struct work;
330 u32 ir_command;
331 };
332
333 struct dm1105_dev {
334 /* pci */
335 struct pci_dev *pdev;
336 u8 __iomem *io_mem;
337
338 /* ir */
339 struct infrared ir;
340
341 /* dvb */
342 struct dmx_frontend hw_frontend;
343 struct dmx_frontend mem_frontend;
344 struct dmxdev dmxdev;
345 struct dvb_adapter dvb_adapter;
346 struct dvb_demux demux;
347 struct dvb_frontend *fe;
348 struct dvb_net dvbnet;
349 unsigned int full_ts_users;
350 unsigned int boardnr;
351 int nr;
352
353 /* i2c */
354 struct i2c_adapter i2c_adap;
355 struct i2c_adapter i2c_bb_adap;
356 struct i2c_algo_bit_data i2c_bit;
357
358 /* irq */
359 struct work_struct work;
360 struct workqueue_struct *wq;
361 char wqn[16];
362
363 /* dma */
364 dma_addr_t dma_addr;
365 unsigned char *ts_buf;
366 u32 wrp;
367 u32 nextwrp;
368 u32 buffer_size;
369 unsigned int PacketErrorCount;
370 unsigned int dmarst;
371 spinlock_t lock;
372 };
373
374 #define dm_io_mem(reg) ((unsigned long)(&dev->io_mem[reg]))
375
376 #define dm_readb(reg) inb(dm_io_mem(reg))
377 #define dm_writeb(reg, value) outb((value), (dm_io_mem(reg)))
378
379 #define dm_readw(reg) inw(dm_io_mem(reg))
380 #define dm_writew(reg, value) outw((value), (dm_io_mem(reg)))
381
382 #define dm_readl(reg) inl(dm_io_mem(reg))
383 #define dm_writel(reg, value) outl((value), (dm_io_mem(reg)))
384
385 #define dm_andorl(reg, mask, value) \
386 outl((inl(dm_io_mem(reg)) & ~(mask)) |\
387 ((value) & (mask)), (dm_io_mem(reg)))
388
389 #define dm_setl(reg, bit) dm_andorl((reg), (bit), (bit))
390 #define dm_clearl(reg, bit) dm_andorl((reg), (bit), 0)
391
392 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
393 so we can use only 3 GPIO's from GPIO15 to GPIO17.
394 Here I don't check whether HOST is enebled as it is not implemented yet.
395 */
396 static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
397 {
398 if (mask & 0xfffc0000)
399 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
400
401 if (mask & 0x0003ffff)
402 dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
403
404 }
405
406 static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
407 {
408 if (mask & 0xfffc0000)
409 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
410
411 if (mask & 0x0003ffff)
412 dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
413
414 }
415
416 static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
417 {
418 if (mask & 0xfffc0000)
419 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
420
421 if (mask & 0x0003ffff)
422 dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
423
424 }
425
426 static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
427 {
428 if (mask & 0xfffc0000)
429 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
430
431 if (mask & 0x0003ffff)
432 return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
433
434 return 0;
435 }
436
437 static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
438 {
439 if (mask & 0xfffc0000)
440 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
441
442 if ((mask & 0x0003ffff) && asoutput)
443 dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
444 else if ((mask & 0x0003ffff) && !asoutput)
445 dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
446
447 }
448
449 static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
450 {
451 if (state)
452 dm1105_gpio_enable(dev, line, 0);
453 else {
454 dm1105_gpio_enable(dev, line, 1);
455 dm1105_gpio_clear(dev, line);
456 }
457 }
458
459 static void dm1105_setsda(void *data, int state)
460 {
461 struct dm1105_dev *dev = data;
462
463 dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
464 }
465
466 static void dm1105_setscl(void *data, int state)
467 {
468 struct dm1105_dev *dev = data;
469
470 dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
471 }
472
473 static int dm1105_getsda(void *data)
474 {
475 struct dm1105_dev *dev = data;
476
477 return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
478 ? 1 : 0;
479 }
480
481 static int dm1105_getscl(void *data)
482 {
483 struct dm1105_dev *dev = data;
484
485 return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
486 ? 1 : 0;
487 }
488
489 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
490 struct i2c_msg *msgs, int num)
491 {
492 struct dm1105_dev *dev ;
493
494 int addr, rc, i, j, k, len, byte, data;
495 u8 status;
496
497 dev = i2c_adap->algo_data;
498 for (i = 0; i < num; i++) {
499 dm_writeb(DM1105_I2CCTR, 0x00);
500 if (msgs[i].flags & I2C_M_RD) {
501 /* read bytes */
502 addr = msgs[i].addr << 1;
503 addr |= 1;
504 dm_writeb(DM1105_I2CDAT, addr);
505 for (byte = 0; byte < msgs[i].len; byte++)
506 dm_writeb(DM1105_I2CDAT + byte + 1, 0);
507
508 dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
509 for (j = 0; j < 55; j++) {
510 mdelay(10);
511 status = dm_readb(DM1105_I2CSTS);
512 if ((status & 0xc0) == 0x40)
513 break;
514 }
515 if (j >= 55)
516 return -1;
517
518 for (byte = 0; byte < msgs[i].len; byte++) {
519 rc = dm_readb(DM1105_I2CDAT + byte + 1);
520 if (rc < 0)
521 goto err;
522 msgs[i].buf[byte] = rc;
523 }
524 } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
525 /* prepaired for cx24116 firmware */
526 /* Write in small blocks */
527 len = msgs[i].len - 1;
528 k = 1;
529 do {
530 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
531 dm_writeb(DM1105_I2CDAT + 1, 0xf7);
532 for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
533 data = msgs[i].buf[k + byte];
534 dm_writeb(DM1105_I2CDAT + byte + 2, data);
535 }
536 dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
537 for (j = 0; j < 25; j++) {
538 mdelay(10);
539 status = dm_readb(DM1105_I2CSTS);
540 if ((status & 0xc0) == 0x40)
541 break;
542 }
543
544 if (j >= 25)
545 return -1;
546
547 k += 48;
548 len -= 48;
549 } while (len > 0);
550 } else {
551 /* write bytes */
552 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
553 for (byte = 0; byte < msgs[i].len; byte++) {
554 data = msgs[i].buf[byte];
555 dm_writeb(DM1105_I2CDAT + byte + 1, data);
556 }
557 dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
558 for (j = 0; j < 25; j++) {
559 mdelay(10);
560 status = dm_readb(DM1105_I2CSTS);
561 if ((status & 0xc0) == 0x40)
562 break;
563 }
564
565 if (j >= 25)
566 return -1;
567 }
568 }
569 return num;
570 err:
571 return rc;
572 }
573
574 static u32 functionality(struct i2c_adapter *adap)
575 {
576 return I2C_FUNC_I2C;
577 }
578
579 static struct i2c_algorithm dm1105_algo = {
580 .master_xfer = dm1105_i2c_xfer,
581 .functionality = functionality,
582 };
583
584 static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
585 {
586 return container_of(feed->demux, struct dm1105_dev, demux);
587 }
588
589 static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
590 {
591 return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
592 }
593
594 static int dm1105_set_voltage(struct dvb_frontend *fe,
595 enum fe_sec_voltage voltage)
596 {
597 struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
598
599 dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
600 if (voltage == SEC_VOLTAGE_18)
601 dm1105_gpio_andor(dev,
602 dm1105_boards[dev->boardnr].lnb.mask,
603 dm1105_boards[dev->boardnr].lnb.v18);
604 else if (voltage == SEC_VOLTAGE_13)
605 dm1105_gpio_andor(dev,
606 dm1105_boards[dev->boardnr].lnb.mask,
607 dm1105_boards[dev->boardnr].lnb.v13);
608 else
609 dm1105_gpio_andor(dev,
610 dm1105_boards[dev->boardnr].lnb.mask,
611 dm1105_boards[dev->boardnr].lnb.off);
612
613 return 0;
614 }
615
616 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
617 {
618 dm_writel(DM1105_STADR, (__force u32)cpu_to_le32(dev->dma_addr));
619 }
620
621 static int dm1105_dma_map(struct dm1105_dev *dev)
622 {
623 dev->ts_buf = pci_alloc_consistent(dev->pdev,
624 6 * DM1105_DMA_BYTES,
625 &dev->dma_addr);
626
627 return !dev->ts_buf;
628 }
629
630 static void dm1105_dma_unmap(struct dm1105_dev *dev)
631 {
632 pci_free_consistent(dev->pdev,
633 6 * DM1105_DMA_BYTES,
634 dev->ts_buf,
635 dev->dma_addr);
636 }
637
638 static void dm1105_enable_irqs(struct dm1105_dev *dev)
639 {
640 dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
641 dm_writeb(DM1105_CR, 1);
642 }
643
644 static void dm1105_disable_irqs(struct dm1105_dev *dev)
645 {
646 dm_writeb(DM1105_INTMAK, INTMAK_IRM);
647 dm_writeb(DM1105_CR, 0);
648 }
649
650 static int dm1105_start_feed(struct dvb_demux_feed *f)
651 {
652 struct dm1105_dev *dev = feed_to_dm1105_dev(f);
653
654 if (dev->full_ts_users++ == 0)
655 dm1105_enable_irqs(dev);
656
657 return 0;
658 }
659
660 static int dm1105_stop_feed(struct dvb_demux_feed *f)
661 {
662 struct dm1105_dev *dev = feed_to_dm1105_dev(f);
663
664 if (--dev->full_ts_users == 0)
665 dm1105_disable_irqs(dev);
666
667 return 0;
668 }
669
670 /* ir work handler */
671 static void dm1105_emit_key(struct work_struct *work)
672 {
673 struct infrared *ir = container_of(work, struct infrared, work);
674 u32 ircom = ir->ir_command;
675 u8 data;
676
677 if (ir_debug)
678 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
679
680 data = (ircom >> 8) & 0x7f;
681
682 /* FIXME: UNKNOWN because we don't generate a full NEC scancode (yet?) */
683 rc_keydown(ir->dev, RC_TYPE_UNKNOWN, data, 0);
684 }
685
686 /* work handler */
687 static void dm1105_dmx_buffer(struct work_struct *work)
688 {
689 struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
690 unsigned int nbpackets;
691 u32 oldwrp = dev->wrp;
692 u32 nextwrp = dev->nextwrp;
693
694 if (!((dev->ts_buf[oldwrp] == 0x47) &&
695 (dev->ts_buf[oldwrp + 188] == 0x47) &&
696 (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
697 dev->PacketErrorCount++;
698 /* bad packet found */
699 if ((dev->PacketErrorCount >= 2) &&
700 (dev->dmarst == 0)) {
701 dm_writeb(DM1105_RST, 1);
702 dev->wrp = 0;
703 dev->PacketErrorCount = 0;
704 dev->dmarst = 0;
705 return;
706 }
707 }
708
709 if (nextwrp < oldwrp) {
710 memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
711 nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
712 } else
713 nbpackets = (nextwrp - oldwrp) / 188;
714
715 dev->wrp = nextwrp;
716 dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
717 }
718
719 static irqreturn_t dm1105_irq(int irq, void *dev_id)
720 {
721 struct dm1105_dev *dev = dev_id;
722
723 /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
724 unsigned int intsts = dm_readb(DM1105_INTSTS);
725 dm_writeb(DM1105_INTSTS, intsts);
726
727 switch (intsts) {
728 case INTSTS_TSIRQ:
729 case (INTSTS_TSIRQ | INTSTS_IR):
730 dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
731 queue_work(dev->wq, &dev->work);
732 break;
733 case INTSTS_IR:
734 dev->ir.ir_command = dm_readl(DM1105_IRCODE);
735 schedule_work(&dev->ir.work);
736 break;
737 }
738
739 return IRQ_HANDLED;
740 }
741
742 static int dm1105_ir_init(struct dm1105_dev *dm1105)
743 {
744 struct rc_dev *dev;
745 int err = -ENOMEM;
746
747 dev = rc_allocate_device();
748 if (!dev)
749 return -ENOMEM;
750
751 snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
752 "pci-%s/ir0", pci_name(dm1105->pdev));
753
754 dev->driver_name = MODULE_NAME;
755 dev->map_name = RC_MAP_DM1105_NEC;
756 dev->driver_type = RC_DRIVER_SCANCODE;
757 dev->input_name = "DVB on-card IR receiver";
758 dev->input_phys = dm1105->ir.input_phys;
759 dev->input_id.bustype = BUS_PCI;
760 dev->input_id.version = 1;
761 if (dm1105->pdev->subsystem_vendor) {
762 dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
763 dev->input_id.product = dm1105->pdev->subsystem_device;
764 } else {
765 dev->input_id.vendor = dm1105->pdev->vendor;
766 dev->input_id.product = dm1105->pdev->device;
767 }
768 dev->dev.parent = &dm1105->pdev->dev;
769
770 INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
771
772 err = rc_register_device(dev);
773 if (err < 0) {
774 rc_free_device(dev);
775 return err;
776 }
777
778 dm1105->ir.dev = dev;
779 return 0;
780 }
781
782 static void dm1105_ir_exit(struct dm1105_dev *dm1105)
783 {
784 rc_unregister_device(dm1105->ir.dev);
785 }
786
787 static int dm1105_hw_init(struct dm1105_dev *dev)
788 {
789 dm1105_disable_irqs(dev);
790
791 dm_writeb(DM1105_HOST_CTR, 0);
792
793 /*DATALEN 188,*/
794 dm_writeb(DM1105_DTALENTH, 188);
795 /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
796 dm_writew(DM1105_TSCTR, 0xc10a);
797
798 /* map DMA and set address */
799 dm1105_dma_map(dev);
800 dm1105_set_dma_addr(dev);
801 /* big buffer */
802 dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
803 dm_writeb(DM1105_INTCNT, 47);
804
805 /* IR NEC mode enable */
806 dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
807 dm_writeb(DM1105_IRMODE, 0);
808 dm_writew(DM1105_SYSTEMCODE, 0);
809
810 return 0;
811 }
812
813 static void dm1105_hw_exit(struct dm1105_dev *dev)
814 {
815 dm1105_disable_irqs(dev);
816
817 /* IR disable */
818 dm_writeb(DM1105_IRCTR, 0);
819 dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
820
821 dm1105_dma_unmap(dev);
822 }
823
824 static struct stv0299_config sharp_z0194a_config = {
825 .demod_address = 0x68,
826 .inittab = sharp_z0194a_inittab,
827 .mclk = 88000000UL,
828 .invert = 1,
829 .skip_reinit = 0,
830 .lock_output = STV0299_LOCKOUTPUT_1,
831 .volt13_op0_op1 = STV0299_VOLT13_OP1,
832 .min_delay_ms = 100,
833 .set_symbol_rate = sharp_z0194a_set_symbol_rate,
834 };
835
836 static struct stv0288_config earda_config = {
837 .demod_address = 0x68,
838 .min_delay_ms = 100,
839 };
840
841 static struct si21xx_config serit_config = {
842 .demod_address = 0x68,
843 .min_delay_ms = 100,
844
845 };
846
847 static struct cx24116_config serit_sp2633_config = {
848 .demod_address = 0x55,
849 };
850
851 static struct ds3000_config dvbworld_ds3000_config = {
852 .demod_address = 0x68,
853 };
854
855 static struct ts2020_config dvbworld_ts2020_config = {
856 .tuner_address = 0x60,
857 .clk_out_div = 1,
858 };
859
860 static int frontend_init(struct dm1105_dev *dev)
861 {
862 int ret;
863
864 switch (dev->boardnr) {
865 case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
866 dm1105_gpio_enable(dev, GPIO15, 1);
867 dm1105_gpio_clear(dev, GPIO15);
868 msleep(100);
869 dm1105_gpio_set(dev, GPIO15);
870 msleep(200);
871 dev->fe = dvb_attach(
872 stv0299_attach, &sharp_z0194a_config,
873 &dev->i2c_bb_adap);
874 if (dev->fe) {
875 dev->fe->ops.set_voltage = dm1105_set_voltage;
876 dvb_attach(dvb_pll_attach, dev->fe, 0x60,
877 &dev->i2c_bb_adap, DVB_PLL_OPERA1);
878 break;
879 }
880
881 dev->fe = dvb_attach(
882 stv0288_attach, &earda_config,
883 &dev->i2c_bb_adap);
884 if (dev->fe) {
885 dev->fe->ops.set_voltage = dm1105_set_voltage;
886 dvb_attach(stb6000_attach, dev->fe, 0x61,
887 &dev->i2c_bb_adap);
888 break;
889 }
890
891 dev->fe = dvb_attach(
892 si21xx_attach, &serit_config,
893 &dev->i2c_bb_adap);
894 if (dev->fe)
895 dev->fe->ops.set_voltage = dm1105_set_voltage;
896 break;
897 case DM1105_BOARD_DVBWORLD_2004:
898 dev->fe = dvb_attach(
899 cx24116_attach, &serit_sp2633_config,
900 &dev->i2c_adap);
901 if (dev->fe) {
902 dev->fe->ops.set_voltage = dm1105_set_voltage;
903 break;
904 }
905
906 dev->fe = dvb_attach(
907 ds3000_attach, &dvbworld_ds3000_config,
908 &dev->i2c_adap);
909 if (dev->fe) {
910 dvb_attach(ts2020_attach, dev->fe,
911 &dvbworld_ts2020_config, &dev->i2c_adap);
912 dev->fe->ops.set_voltage = dm1105_set_voltage;
913 }
914
915 break;
916 case DM1105_BOARD_DVBWORLD_2002:
917 case DM1105_BOARD_AXESS_DM05:
918 default:
919 dev->fe = dvb_attach(
920 stv0299_attach, &sharp_z0194a_config,
921 &dev->i2c_adap);
922 if (dev->fe) {
923 dev->fe->ops.set_voltage = dm1105_set_voltage;
924 dvb_attach(dvb_pll_attach, dev->fe, 0x60,
925 &dev->i2c_adap, DVB_PLL_OPERA1);
926 break;
927 }
928
929 dev->fe = dvb_attach(
930 stv0288_attach, &earda_config,
931 &dev->i2c_adap);
932 if (dev->fe) {
933 dev->fe->ops.set_voltage = dm1105_set_voltage;
934 dvb_attach(stb6000_attach, dev->fe, 0x61,
935 &dev->i2c_adap);
936 break;
937 }
938
939 dev->fe = dvb_attach(
940 si21xx_attach, &serit_config,
941 &dev->i2c_adap);
942 if (dev->fe)
943 dev->fe->ops.set_voltage = dm1105_set_voltage;
944
945 }
946
947 if (!dev->fe) {
948 dev_err(&dev->pdev->dev, "could not attach frontend\n");
949 return -ENODEV;
950 }
951
952 ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
953 if (ret < 0) {
954 if (dev->fe->ops.release)
955 dev->fe->ops.release(dev->fe);
956 dev->fe = NULL;
957 return ret;
958 }
959
960 return 0;
961 }
962
963 static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
964 {
965 static u8 command[1] = { 0x28 };
966
967 struct i2c_msg msg[] = {
968 {
969 .addr = IIC_24C01_addr >> 1,
970 .flags = 0,
971 .buf = command,
972 .len = 1
973 }, {
974 .addr = IIC_24C01_addr >> 1,
975 .flags = I2C_M_RD,
976 .buf = mac,
977 .len = 6
978 },
979 };
980
981 dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
982 dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
983 }
984
985 static int dm1105_probe(struct pci_dev *pdev,
986 const struct pci_device_id *ent)
987 {
988 struct dm1105_dev *dev;
989 struct dvb_adapter *dvb_adapter;
990 struct dvb_demux *dvbdemux;
991 struct dmx_demux *dmx;
992 int ret = -ENOMEM;
993 int i;
994
995 dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
996 if (!dev)
997 return -ENOMEM;
998
999 /* board config */
1000 dev->nr = dm1105_devcount;
1001 dev->boardnr = UNSET;
1002 if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
1003 dev->boardnr = card[dev->nr];
1004 for (i = 0; UNSET == dev->boardnr &&
1005 i < ARRAY_SIZE(dm1105_subids); i++)
1006 if (pdev->subsystem_vendor ==
1007 dm1105_subids[i].subvendor &&
1008 pdev->subsystem_device ==
1009 dm1105_subids[i].subdevice)
1010 dev->boardnr = dm1105_subids[i].card;
1011
1012 if (UNSET == dev->boardnr) {
1013 dev->boardnr = DM1105_BOARD_UNKNOWN;
1014 dm1105_card_list(pdev);
1015 }
1016
1017 dm1105_devcount++;
1018 dev->pdev = pdev;
1019 dev->buffer_size = 5 * DM1105_DMA_BYTES;
1020 dev->PacketErrorCount = 0;
1021 dev->dmarst = 0;
1022
1023 ret = pci_enable_device(pdev);
1024 if (ret < 0)
1025 goto err_kfree;
1026
1027 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1028 if (ret < 0)
1029 goto err_pci_disable_device;
1030
1031 pci_set_master(pdev);
1032
1033 ret = pci_request_regions(pdev, DRIVER_NAME);
1034 if (ret < 0)
1035 goto err_pci_disable_device;
1036
1037 dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1038 if (!dev->io_mem) {
1039 ret = -EIO;
1040 goto err_pci_release_regions;
1041 }
1042
1043 spin_lock_init(&dev->lock);
1044 pci_set_drvdata(pdev, dev);
1045
1046 ret = dm1105_hw_init(dev);
1047 if (ret < 0)
1048 goto err_pci_iounmap;
1049
1050 /* i2c */
1051 i2c_set_adapdata(&dev->i2c_adap, dev);
1052 strcpy(dev->i2c_adap.name, DRIVER_NAME);
1053 dev->i2c_adap.owner = THIS_MODULE;
1054 dev->i2c_adap.dev.parent = &pdev->dev;
1055 dev->i2c_adap.algo = &dm1105_algo;
1056 dev->i2c_adap.algo_data = dev;
1057 ret = i2c_add_adapter(&dev->i2c_adap);
1058
1059 if (ret < 0)
1060 goto err_dm1105_hw_exit;
1061
1062 i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1063 strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1064 dev->i2c_bb_adap.owner = THIS_MODULE;
1065 dev->i2c_bb_adap.dev.parent = &pdev->dev;
1066 dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1067 dev->i2c_bit.data = dev;
1068 dev->i2c_bit.setsda = dm1105_setsda;
1069 dev->i2c_bit.setscl = dm1105_setscl;
1070 dev->i2c_bit.getsda = dm1105_getsda;
1071 dev->i2c_bit.getscl = dm1105_getscl;
1072 dev->i2c_bit.udelay = 10;
1073 dev->i2c_bit.timeout = 10;
1074
1075 /* Raise SCL and SDA */
1076 dm1105_setsda(dev, 1);
1077 dm1105_setscl(dev, 1);
1078
1079 ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1080 if (ret < 0)
1081 goto err_i2c_del_adapter;
1082
1083 /* dvb */
1084 ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1085 THIS_MODULE, &pdev->dev, adapter_nr);
1086 if (ret < 0)
1087 goto err_i2c_del_adapters;
1088
1089 dvb_adapter = &dev->dvb_adapter;
1090
1091 dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1092
1093 dvbdemux = &dev->demux;
1094 dvbdemux->filternum = 256;
1095 dvbdemux->feednum = 256;
1096 dvbdemux->start_feed = dm1105_start_feed;
1097 dvbdemux->stop_feed = dm1105_stop_feed;
1098 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1099 DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1100 ret = dvb_dmx_init(dvbdemux);
1101 if (ret < 0)
1102 goto err_dvb_unregister_adapter;
1103
1104 dmx = &dvbdemux->dmx;
1105 dev->dmxdev.filternum = 256;
1106 dev->dmxdev.demux = dmx;
1107 dev->dmxdev.capabilities = 0;
1108
1109 ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1110 if (ret < 0)
1111 goto err_dvb_dmx_release;
1112
1113 dev->hw_frontend.source = DMX_FRONTEND_0;
1114
1115 ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1116 if (ret < 0)
1117 goto err_dvb_dmxdev_release;
1118
1119 dev->mem_frontend.source = DMX_MEMORY_FE;
1120
1121 ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1122 if (ret < 0)
1123 goto err_remove_hw_frontend;
1124
1125 ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1126 if (ret < 0)
1127 goto err_remove_mem_frontend;
1128
1129 ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1130 if (ret < 0)
1131 goto err_disconnect_frontend;
1132
1133 ret = frontend_init(dev);
1134 if (ret < 0)
1135 goto err_dvb_net;
1136
1137 dm1105_ir_init(dev);
1138
1139 INIT_WORK(&dev->work, dm1105_dmx_buffer);
1140 sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1141 dev->wq = create_singlethread_workqueue(dev->wqn);
1142 if (!dev->wq) {
1143 ret = -ENOMEM;
1144 goto err_dvb_net;
1145 }
1146
1147 ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1148 DRIVER_NAME, dev);
1149 if (ret < 0)
1150 goto err_workqueue;
1151
1152 return 0;
1153
1154 err_workqueue:
1155 destroy_workqueue(dev->wq);
1156 err_dvb_net:
1157 dvb_net_release(&dev->dvbnet);
1158 err_disconnect_frontend:
1159 dmx->disconnect_frontend(dmx);
1160 err_remove_mem_frontend:
1161 dmx->remove_frontend(dmx, &dev->mem_frontend);
1162 err_remove_hw_frontend:
1163 dmx->remove_frontend(dmx, &dev->hw_frontend);
1164 err_dvb_dmxdev_release:
1165 dvb_dmxdev_release(&dev->dmxdev);
1166 err_dvb_dmx_release:
1167 dvb_dmx_release(dvbdemux);
1168 err_dvb_unregister_adapter:
1169 dvb_unregister_adapter(dvb_adapter);
1170 err_i2c_del_adapters:
1171 i2c_del_adapter(&dev->i2c_bb_adap);
1172 err_i2c_del_adapter:
1173 i2c_del_adapter(&dev->i2c_adap);
1174 err_dm1105_hw_exit:
1175 dm1105_hw_exit(dev);
1176 err_pci_iounmap:
1177 pci_iounmap(pdev, dev->io_mem);
1178 err_pci_release_regions:
1179 pci_release_regions(pdev);
1180 err_pci_disable_device:
1181 pci_disable_device(pdev);
1182 err_kfree:
1183 kfree(dev);
1184 return ret;
1185 }
1186
1187 static void dm1105_remove(struct pci_dev *pdev)
1188 {
1189 struct dm1105_dev *dev = pci_get_drvdata(pdev);
1190 struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1191 struct dvb_demux *dvbdemux = &dev->demux;
1192 struct dmx_demux *dmx = &dvbdemux->dmx;
1193
1194 dm1105_ir_exit(dev);
1195 dmx->close(dmx);
1196 dvb_net_release(&dev->dvbnet);
1197 if (dev->fe)
1198 dvb_unregister_frontend(dev->fe);
1199
1200 dmx->disconnect_frontend(dmx);
1201 dmx->remove_frontend(dmx, &dev->mem_frontend);
1202 dmx->remove_frontend(dmx, &dev->hw_frontend);
1203 dvb_dmxdev_release(&dev->dmxdev);
1204 dvb_dmx_release(dvbdemux);
1205 dvb_unregister_adapter(dvb_adapter);
1206 i2c_del_adapter(&dev->i2c_adap);
1207
1208 dm1105_hw_exit(dev);
1209 synchronize_irq(pdev->irq);
1210 free_irq(pdev->irq, dev);
1211 pci_iounmap(pdev, dev->io_mem);
1212 pci_release_regions(pdev);
1213 pci_disable_device(pdev);
1214 dm1105_devcount--;
1215 kfree(dev);
1216 }
1217
1218 static struct pci_device_id dm1105_id_table[] = {
1219 {
1220 .vendor = PCI_VENDOR_ID_TRIGEM,
1221 .device = PCI_DEVICE_ID_DM1105,
1222 .subvendor = PCI_ANY_ID,
1223 .subdevice = PCI_ANY_ID,
1224 }, {
1225 .vendor = PCI_VENDOR_ID_AXESS,
1226 .device = PCI_DEVICE_ID_DM05,
1227 .subvendor = PCI_ANY_ID,
1228 .subdevice = PCI_ANY_ID,
1229 }, {
1230 /* empty */
1231 },
1232 };
1233
1234 MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1235
1236 static struct pci_driver dm1105_driver = {
1237 .name = DRIVER_NAME,
1238 .id_table = dm1105_id_table,
1239 .probe = dm1105_probe,
1240 .remove = dm1105_remove,
1241 };
1242
1243 module_pci_driver(dm1105_driver);
1244
1245 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1246 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1247 MODULE_LICENSE("GPL");
Linux with added FPC-III support