xref: /openbmc/linux/drivers/media/pci/dm1105/dm1105.c (revision 31b90347)
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, fe_sec_voltage_t voltage)
595 {
596 	struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
597 
598 	dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
599 	if (voltage == SEC_VOLTAGE_18)
600 		dm1105_gpio_andor(dev,
601 				dm1105_boards[dev->boardnr].lnb.mask,
602 				dm1105_boards[dev->boardnr].lnb.v18);
603 	else if (voltage == SEC_VOLTAGE_13)
604 		dm1105_gpio_andor(dev,
605 				dm1105_boards[dev->boardnr].lnb.mask,
606 				dm1105_boards[dev->boardnr].lnb.v13);
607 	else
608 		dm1105_gpio_andor(dev,
609 				dm1105_boards[dev->boardnr].lnb.mask,
610 				dm1105_boards[dev->boardnr].lnb.off);
611 
612 	return 0;
613 }
614 
615 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
616 {
617 	dm_writel(DM1105_STADR, cpu_to_le32(dev->dma_addr));
618 }
619 
620 static int dm1105_dma_map(struct dm1105_dev *dev)
621 {
622 	dev->ts_buf = pci_alloc_consistent(dev->pdev,
623 					6 * DM1105_DMA_BYTES,
624 					&dev->dma_addr);
625 
626 	return !dev->ts_buf;
627 }
628 
629 static void dm1105_dma_unmap(struct dm1105_dev *dev)
630 {
631 	pci_free_consistent(dev->pdev,
632 			6 * DM1105_DMA_BYTES,
633 			dev->ts_buf,
634 			dev->dma_addr);
635 }
636 
637 static void dm1105_enable_irqs(struct dm1105_dev *dev)
638 {
639 	dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
640 	dm_writeb(DM1105_CR, 1);
641 }
642 
643 static void dm1105_disable_irqs(struct dm1105_dev *dev)
644 {
645 	dm_writeb(DM1105_INTMAK, INTMAK_IRM);
646 	dm_writeb(DM1105_CR, 0);
647 }
648 
649 static int dm1105_start_feed(struct dvb_demux_feed *f)
650 {
651 	struct dm1105_dev *dev = feed_to_dm1105_dev(f);
652 
653 	if (dev->full_ts_users++ == 0)
654 		dm1105_enable_irqs(dev);
655 
656 	return 0;
657 }
658 
659 static int dm1105_stop_feed(struct dvb_demux_feed *f)
660 {
661 	struct dm1105_dev *dev = feed_to_dm1105_dev(f);
662 
663 	if (--dev->full_ts_users == 0)
664 		dm1105_disable_irqs(dev);
665 
666 	return 0;
667 }
668 
669 /* ir work handler */
670 static void dm1105_emit_key(struct work_struct *work)
671 {
672 	struct infrared *ir = container_of(work, struct infrared, work);
673 	u32 ircom = ir->ir_command;
674 	u8 data;
675 
676 	if (ir_debug)
677 		printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
678 
679 	data = (ircom >> 8) & 0x7f;
680 
681 	rc_keydown(ir->dev, data, 0);
682 }
683 
684 /* work handler */
685 static void dm1105_dmx_buffer(struct work_struct *work)
686 {
687 	struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
688 	unsigned int nbpackets;
689 	u32 oldwrp = dev->wrp;
690 	u32 nextwrp = dev->nextwrp;
691 
692 	if (!((dev->ts_buf[oldwrp] == 0x47) &&
693 			(dev->ts_buf[oldwrp + 188] == 0x47) &&
694 			(dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
695 		dev->PacketErrorCount++;
696 		/* bad packet found */
697 		if ((dev->PacketErrorCount >= 2) &&
698 				(dev->dmarst == 0)) {
699 			dm_writeb(DM1105_RST, 1);
700 			dev->wrp = 0;
701 			dev->PacketErrorCount = 0;
702 			dev->dmarst = 0;
703 			return;
704 		}
705 	}
706 
707 	if (nextwrp < oldwrp) {
708 		memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
709 		nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
710 	} else
711 		nbpackets = (nextwrp - oldwrp) / 188;
712 
713 	dev->wrp = nextwrp;
714 	dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
715 }
716 
717 static irqreturn_t dm1105_irq(int irq, void *dev_id)
718 {
719 	struct dm1105_dev *dev = dev_id;
720 
721 	/* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
722 	unsigned int intsts = dm_readb(DM1105_INTSTS);
723 	dm_writeb(DM1105_INTSTS, intsts);
724 
725 	switch (intsts) {
726 	case INTSTS_TSIRQ:
727 	case (INTSTS_TSIRQ | INTSTS_IR):
728 		dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
729 		queue_work(dev->wq, &dev->work);
730 		break;
731 	case INTSTS_IR:
732 		dev->ir.ir_command = dm_readl(DM1105_IRCODE);
733 		schedule_work(&dev->ir.work);
734 		break;
735 	}
736 
737 	return IRQ_HANDLED;
738 }
739 
740 static int dm1105_ir_init(struct dm1105_dev *dm1105)
741 {
742 	struct rc_dev *dev;
743 	int err = -ENOMEM;
744 
745 	dev = rc_allocate_device();
746 	if (!dev)
747 		return -ENOMEM;
748 
749 	snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
750 		"pci-%s/ir0", pci_name(dm1105->pdev));
751 
752 	dev->driver_name = MODULE_NAME;
753 	dev->map_name = RC_MAP_DM1105_NEC;
754 	dev->driver_type = RC_DRIVER_SCANCODE;
755 	dev->input_name = "DVB on-card IR receiver";
756 	dev->input_phys = dm1105->ir.input_phys;
757 	dev->input_id.bustype = BUS_PCI;
758 	dev->input_id.version = 1;
759 	if (dm1105->pdev->subsystem_vendor) {
760 		dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
761 		dev->input_id.product = dm1105->pdev->subsystem_device;
762 	} else {
763 		dev->input_id.vendor = dm1105->pdev->vendor;
764 		dev->input_id.product = dm1105->pdev->device;
765 	}
766 	dev->dev.parent = &dm1105->pdev->dev;
767 
768 	INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
769 
770 	err = rc_register_device(dev);
771 	if (err < 0) {
772 		rc_free_device(dev);
773 		return err;
774 	}
775 
776 	dm1105->ir.dev = dev;
777 	return 0;
778 }
779 
780 static void dm1105_ir_exit(struct dm1105_dev *dm1105)
781 {
782 	rc_unregister_device(dm1105->ir.dev);
783 }
784 
785 static int dm1105_hw_init(struct dm1105_dev *dev)
786 {
787 	dm1105_disable_irqs(dev);
788 
789 	dm_writeb(DM1105_HOST_CTR, 0);
790 
791 	/*DATALEN 188,*/
792 	dm_writeb(DM1105_DTALENTH, 188);
793 	/*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
794 	dm_writew(DM1105_TSCTR, 0xc10a);
795 
796 	/* map DMA and set address */
797 	dm1105_dma_map(dev);
798 	dm1105_set_dma_addr(dev);
799 	/* big buffer */
800 	dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
801 	dm_writeb(DM1105_INTCNT, 47);
802 
803 	/* IR NEC mode enable */
804 	dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
805 	dm_writeb(DM1105_IRMODE, 0);
806 	dm_writew(DM1105_SYSTEMCODE, 0);
807 
808 	return 0;
809 }
810 
811 static void dm1105_hw_exit(struct dm1105_dev *dev)
812 {
813 	dm1105_disable_irqs(dev);
814 
815 	/* IR disable */
816 	dm_writeb(DM1105_IRCTR, 0);
817 	dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
818 
819 	dm1105_dma_unmap(dev);
820 }
821 
822 static struct stv0299_config sharp_z0194a_config = {
823 	.demod_address = 0x68,
824 	.inittab = sharp_z0194a_inittab,
825 	.mclk = 88000000UL,
826 	.invert = 1,
827 	.skip_reinit = 0,
828 	.lock_output = STV0299_LOCKOUTPUT_1,
829 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
830 	.min_delay_ms = 100,
831 	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
832 };
833 
834 static struct stv0288_config earda_config = {
835 	.demod_address = 0x68,
836 	.min_delay_ms = 100,
837 };
838 
839 static struct si21xx_config serit_config = {
840 	.demod_address = 0x68,
841 	.min_delay_ms = 100,
842 
843 };
844 
845 static struct cx24116_config serit_sp2633_config = {
846 	.demod_address = 0x55,
847 };
848 
849 static struct ds3000_config dvbworld_ds3000_config = {
850 	.demod_address = 0x68,
851 };
852 
853 static struct ts2020_config dvbworld_ts2020_config  = {
854 	.tuner_address = 0x60,
855 	.clk_out_div = 1,
856 };
857 
858 static int frontend_init(struct dm1105_dev *dev)
859 {
860 	int ret;
861 
862 	switch (dev->boardnr) {
863 	case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
864 		dm1105_gpio_enable(dev, GPIO15, 1);
865 		dm1105_gpio_clear(dev, GPIO15);
866 		msleep(100);
867 		dm1105_gpio_set(dev, GPIO15);
868 		msleep(200);
869 		dev->fe = dvb_attach(
870 			stv0299_attach, &sharp_z0194a_config,
871 			&dev->i2c_bb_adap);
872 		if (dev->fe) {
873 			dev->fe->ops.set_voltage = dm1105_set_voltage;
874 			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
875 					&dev->i2c_bb_adap, DVB_PLL_OPERA1);
876 			break;
877 		}
878 
879 		dev->fe = dvb_attach(
880 			stv0288_attach, &earda_config,
881 			&dev->i2c_bb_adap);
882 		if (dev->fe) {
883 			dev->fe->ops.set_voltage = dm1105_set_voltage;
884 			dvb_attach(stb6000_attach, dev->fe, 0x61,
885 					&dev->i2c_bb_adap);
886 			break;
887 		}
888 
889 		dev->fe = dvb_attach(
890 			si21xx_attach, &serit_config,
891 			&dev->i2c_bb_adap);
892 		if (dev->fe)
893 			dev->fe->ops.set_voltage = dm1105_set_voltage;
894 		break;
895 	case DM1105_BOARD_DVBWORLD_2004:
896 		dev->fe = dvb_attach(
897 			cx24116_attach, &serit_sp2633_config,
898 			&dev->i2c_adap);
899 		if (dev->fe) {
900 			dev->fe->ops.set_voltage = dm1105_set_voltage;
901 			break;
902 		}
903 
904 		dev->fe = dvb_attach(
905 			ds3000_attach, &dvbworld_ds3000_config,
906 			&dev->i2c_adap);
907 		if (dev->fe) {
908 			dvb_attach(ts2020_attach, dev->fe,
909 				&dvbworld_ts2020_config, &dev->i2c_adap);
910 			dev->fe->ops.set_voltage = dm1105_set_voltage;
911 		}
912 
913 		break;
914 	case DM1105_BOARD_DVBWORLD_2002:
915 	case DM1105_BOARD_AXESS_DM05:
916 	default:
917 		dev->fe = dvb_attach(
918 			stv0299_attach, &sharp_z0194a_config,
919 			&dev->i2c_adap);
920 		if (dev->fe) {
921 			dev->fe->ops.set_voltage = dm1105_set_voltage;
922 			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
923 					&dev->i2c_adap, DVB_PLL_OPERA1);
924 			break;
925 		}
926 
927 		dev->fe = dvb_attach(
928 			stv0288_attach, &earda_config,
929 			&dev->i2c_adap);
930 		if (dev->fe) {
931 			dev->fe->ops.set_voltage = dm1105_set_voltage;
932 			dvb_attach(stb6000_attach, dev->fe, 0x61,
933 					&dev->i2c_adap);
934 			break;
935 		}
936 
937 		dev->fe = dvb_attach(
938 			si21xx_attach, &serit_config,
939 			&dev->i2c_adap);
940 		if (dev->fe)
941 			dev->fe->ops.set_voltage = dm1105_set_voltage;
942 
943 	}
944 
945 	if (!dev->fe) {
946 		dev_err(&dev->pdev->dev, "could not attach frontend\n");
947 		return -ENODEV;
948 	}
949 
950 	ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
951 	if (ret < 0) {
952 		if (dev->fe->ops.release)
953 			dev->fe->ops.release(dev->fe);
954 		dev->fe = NULL;
955 		return ret;
956 	}
957 
958 	return 0;
959 }
960 
961 static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
962 {
963 	static u8 command[1] = { 0x28 };
964 
965 	struct i2c_msg msg[] = {
966 		{
967 			.addr = IIC_24C01_addr >> 1,
968 			.flags = 0,
969 			.buf = command,
970 			.len = 1
971 		}, {
972 			.addr = IIC_24C01_addr >> 1,
973 			.flags = I2C_M_RD,
974 			.buf = mac,
975 			.len = 6
976 		},
977 	};
978 
979 	dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
980 	dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
981 }
982 
983 static int dm1105_probe(struct pci_dev *pdev,
984 				  const struct pci_device_id *ent)
985 {
986 	struct dm1105_dev *dev;
987 	struct dvb_adapter *dvb_adapter;
988 	struct dvb_demux *dvbdemux;
989 	struct dmx_demux *dmx;
990 	int ret = -ENOMEM;
991 	int i;
992 
993 	dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
994 	if (!dev)
995 		return -ENOMEM;
996 
997 	/* board config */
998 	dev->nr = dm1105_devcount;
999 	dev->boardnr = UNSET;
1000 	if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
1001 		dev->boardnr = card[dev->nr];
1002 	for (i = 0; UNSET == dev->boardnr &&
1003 				i < ARRAY_SIZE(dm1105_subids); i++)
1004 		if (pdev->subsystem_vendor ==
1005 			dm1105_subids[i].subvendor &&
1006 				pdev->subsystem_device ==
1007 					dm1105_subids[i].subdevice)
1008 			dev->boardnr = dm1105_subids[i].card;
1009 
1010 	if (UNSET == dev->boardnr) {
1011 		dev->boardnr = DM1105_BOARD_UNKNOWN;
1012 		dm1105_card_list(pdev);
1013 	}
1014 
1015 	dm1105_devcount++;
1016 	dev->pdev = pdev;
1017 	dev->buffer_size = 5 * DM1105_DMA_BYTES;
1018 	dev->PacketErrorCount = 0;
1019 	dev->dmarst = 0;
1020 
1021 	ret = pci_enable_device(pdev);
1022 	if (ret < 0)
1023 		goto err_kfree;
1024 
1025 	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1026 	if (ret < 0)
1027 		goto err_pci_disable_device;
1028 
1029 	pci_set_master(pdev);
1030 
1031 	ret = pci_request_regions(pdev, DRIVER_NAME);
1032 	if (ret < 0)
1033 		goto err_pci_disable_device;
1034 
1035 	dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1036 	if (!dev->io_mem) {
1037 		ret = -EIO;
1038 		goto err_pci_release_regions;
1039 	}
1040 
1041 	spin_lock_init(&dev->lock);
1042 	pci_set_drvdata(pdev, dev);
1043 
1044 	ret = dm1105_hw_init(dev);
1045 	if (ret < 0)
1046 		goto err_pci_iounmap;
1047 
1048 	/* i2c */
1049 	i2c_set_adapdata(&dev->i2c_adap, dev);
1050 	strcpy(dev->i2c_adap.name, DRIVER_NAME);
1051 	dev->i2c_adap.owner = THIS_MODULE;
1052 	dev->i2c_adap.dev.parent = &pdev->dev;
1053 	dev->i2c_adap.algo = &dm1105_algo;
1054 	dev->i2c_adap.algo_data = dev;
1055 	ret = i2c_add_adapter(&dev->i2c_adap);
1056 
1057 	if (ret < 0)
1058 		goto err_dm1105_hw_exit;
1059 
1060 	i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1061 	strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1062 	dev->i2c_bb_adap.owner = THIS_MODULE;
1063 	dev->i2c_bb_adap.dev.parent = &pdev->dev;
1064 	dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1065 	dev->i2c_bit.data = dev;
1066 	dev->i2c_bit.setsda = dm1105_setsda;
1067 	dev->i2c_bit.setscl = dm1105_setscl;
1068 	dev->i2c_bit.getsda = dm1105_getsda;
1069 	dev->i2c_bit.getscl = dm1105_getscl;
1070 	dev->i2c_bit.udelay = 10;
1071 	dev->i2c_bit.timeout = 10;
1072 
1073 	/* Raise SCL and SDA */
1074 	dm1105_setsda(dev, 1);
1075 	dm1105_setscl(dev, 1);
1076 
1077 	ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1078 	if (ret < 0)
1079 		goto err_i2c_del_adapter;
1080 
1081 	/* dvb */
1082 	ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1083 					THIS_MODULE, &pdev->dev, adapter_nr);
1084 	if (ret < 0)
1085 		goto err_i2c_del_adapters;
1086 
1087 	dvb_adapter = &dev->dvb_adapter;
1088 
1089 	dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1090 
1091 	dvbdemux = &dev->demux;
1092 	dvbdemux->filternum = 256;
1093 	dvbdemux->feednum = 256;
1094 	dvbdemux->start_feed = dm1105_start_feed;
1095 	dvbdemux->stop_feed = dm1105_stop_feed;
1096 	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1097 			DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1098 	ret = dvb_dmx_init(dvbdemux);
1099 	if (ret < 0)
1100 		goto err_dvb_unregister_adapter;
1101 
1102 	dmx = &dvbdemux->dmx;
1103 	dev->dmxdev.filternum = 256;
1104 	dev->dmxdev.demux = dmx;
1105 	dev->dmxdev.capabilities = 0;
1106 
1107 	ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1108 	if (ret < 0)
1109 		goto err_dvb_dmx_release;
1110 
1111 	dev->hw_frontend.source = DMX_FRONTEND_0;
1112 
1113 	ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1114 	if (ret < 0)
1115 		goto err_dvb_dmxdev_release;
1116 
1117 	dev->mem_frontend.source = DMX_MEMORY_FE;
1118 
1119 	ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1120 	if (ret < 0)
1121 		goto err_remove_hw_frontend;
1122 
1123 	ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1124 	if (ret < 0)
1125 		goto err_remove_mem_frontend;
1126 
1127 	ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1128 	if (ret < 0)
1129 		goto err_disconnect_frontend;
1130 
1131 	ret = frontend_init(dev);
1132 	if (ret < 0)
1133 		goto err_dvb_net;
1134 
1135 	dm1105_ir_init(dev);
1136 
1137 	INIT_WORK(&dev->work, dm1105_dmx_buffer);
1138 	sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1139 	dev->wq = create_singlethread_workqueue(dev->wqn);
1140 	if (!dev->wq) {
1141 		ret = -ENOMEM;
1142 		goto err_dvb_net;
1143 	}
1144 
1145 	ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1146 						DRIVER_NAME, dev);
1147 	if (ret < 0)
1148 		goto err_workqueue;
1149 
1150 	return 0;
1151 
1152 err_workqueue:
1153 	destroy_workqueue(dev->wq);
1154 err_dvb_net:
1155 	dvb_net_release(&dev->dvbnet);
1156 err_disconnect_frontend:
1157 	dmx->disconnect_frontend(dmx);
1158 err_remove_mem_frontend:
1159 	dmx->remove_frontend(dmx, &dev->mem_frontend);
1160 err_remove_hw_frontend:
1161 	dmx->remove_frontend(dmx, &dev->hw_frontend);
1162 err_dvb_dmxdev_release:
1163 	dvb_dmxdev_release(&dev->dmxdev);
1164 err_dvb_dmx_release:
1165 	dvb_dmx_release(dvbdemux);
1166 err_dvb_unregister_adapter:
1167 	dvb_unregister_adapter(dvb_adapter);
1168 err_i2c_del_adapters:
1169 	i2c_del_adapter(&dev->i2c_bb_adap);
1170 err_i2c_del_adapter:
1171 	i2c_del_adapter(&dev->i2c_adap);
1172 err_dm1105_hw_exit:
1173 	dm1105_hw_exit(dev);
1174 err_pci_iounmap:
1175 	pci_iounmap(pdev, dev->io_mem);
1176 err_pci_release_regions:
1177 	pci_release_regions(pdev);
1178 err_pci_disable_device:
1179 	pci_disable_device(pdev);
1180 err_kfree:
1181 	kfree(dev);
1182 	return ret;
1183 }
1184 
1185 static void dm1105_remove(struct pci_dev *pdev)
1186 {
1187 	struct dm1105_dev *dev = pci_get_drvdata(pdev);
1188 	struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1189 	struct dvb_demux *dvbdemux = &dev->demux;
1190 	struct dmx_demux *dmx = &dvbdemux->dmx;
1191 
1192 	dm1105_ir_exit(dev);
1193 	dmx->close(dmx);
1194 	dvb_net_release(&dev->dvbnet);
1195 	if (dev->fe)
1196 		dvb_unregister_frontend(dev->fe);
1197 
1198 	dmx->disconnect_frontend(dmx);
1199 	dmx->remove_frontend(dmx, &dev->mem_frontend);
1200 	dmx->remove_frontend(dmx, &dev->hw_frontend);
1201 	dvb_dmxdev_release(&dev->dmxdev);
1202 	dvb_dmx_release(dvbdemux);
1203 	dvb_unregister_adapter(dvb_adapter);
1204 	i2c_del_adapter(&dev->i2c_adap);
1205 
1206 	dm1105_hw_exit(dev);
1207 	synchronize_irq(pdev->irq);
1208 	free_irq(pdev->irq, dev);
1209 	pci_iounmap(pdev, dev->io_mem);
1210 	pci_release_regions(pdev);
1211 	pci_disable_device(pdev);
1212 	dm1105_devcount--;
1213 	kfree(dev);
1214 }
1215 
1216 static struct pci_device_id dm1105_id_table[] = {
1217 	{
1218 		.vendor = PCI_VENDOR_ID_TRIGEM,
1219 		.device = PCI_DEVICE_ID_DM1105,
1220 		.subvendor = PCI_ANY_ID,
1221 		.subdevice = PCI_ANY_ID,
1222 	}, {
1223 		.vendor = PCI_VENDOR_ID_AXESS,
1224 		.device = PCI_DEVICE_ID_DM05,
1225 		.subvendor = PCI_ANY_ID,
1226 		.subdevice = PCI_ANY_ID,
1227 	}, {
1228 		/* empty */
1229 	},
1230 };
1231 
1232 MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1233 
1234 static struct pci_driver dm1105_driver = {
1235 	.name = DRIVER_NAME,
1236 	.id_table = dm1105_id_table,
1237 	.probe = dm1105_probe,
1238 	.remove = dm1105_remove,
1239 };
1240 
1241 module_pci_driver(dm1105_driver);
1242 
1243 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1244 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1245 MODULE_LICENSE("GPL");
1246