[media] dm1105: GPIO handling added, I2C on GPIO added, LNB control through GPIO...
[pandora-kernel.git] / drivers / media / dvb / dm1105 / dm1105.c
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/kernel.h>
26 #include <linux/module.h>
27 #include <linux/proc_fs.h>
28 #include <linux/pci.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/slab.h>
31 #include <media/rc-core.h>
32
33 #include "demux.h"
34 #include "dmxdev.h"
35 #include "dvb_demux.h"
36 #include "dvb_frontend.h"
37 #include "dvb_net.h"
38 #include "dvbdev.h"
39 #include "dvb-pll.h"
40
41 #include "stv0299.h"
42 #include "stv0288.h"
43 #include "stb6000.h"
44 #include "si21xx.h"
45 #include "cx24116.h"
46 #include "z0194a.h"
47 #include "ds3000.h"
48
49 #define MODULE_NAME "dm1105"
50
51 #define UNSET (-1U)
52
53 #define DM1105_BOARD_NOAUTO                     UNSET
54 #define DM1105_BOARD_UNKNOWN                    0
55 #define DM1105_BOARD_DVBWORLD_2002              1
56 #define DM1105_BOARD_DVBWORLD_2004              2
57 #define DM1105_BOARD_AXESS_DM05                 3
58 #define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO      4
59
60 /* ----------------------------------------------- */
61 /*
62  * PCI ID's
63  */
64 #ifndef PCI_VENDOR_ID_TRIGEM
65 #define PCI_VENDOR_ID_TRIGEM    0x109f
66 #endif
67 #ifndef PCI_VENDOR_ID_AXESS
68 #define PCI_VENDOR_ID_AXESS     0x195d
69 #endif
70 #ifndef PCI_DEVICE_ID_DM1105
71 #define PCI_DEVICE_ID_DM1105    0x036f
72 #endif
73 #ifndef PCI_DEVICE_ID_DW2002
74 #define PCI_DEVICE_ID_DW2002    0x2002
75 #endif
76 #ifndef PCI_DEVICE_ID_DW2004
77 #define PCI_DEVICE_ID_DW2004    0x2004
78 #endif
79 #ifndef PCI_DEVICE_ID_DM05
80 #define PCI_DEVICE_ID_DM05      0x1105
81 #endif
82 /* ----------------------------------------------- */
83 /* sdmc dm1105 registers */
84
85 /* TS Control */
86 #define DM1105_TSCTR                            0x00
87 #define DM1105_DTALENTH                         0x04
88
89 /* GPIO Interface */
90 #define DM1105_GPIOVAL                          0x08
91 #define DM1105_GPIOCTR                          0x0c
92
93 /* PID serial number */
94 #define DM1105_PIDN                             0x10
95
96 /* Odd-even secret key select */
97 #define DM1105_CWSEL                            0x14
98
99 /* Host Command Interface */
100 #define DM1105_HOST_CTR                         0x18
101 #define DM1105_HOST_AD                          0x1c
102
103 /* PCI Interface */
104 #define DM1105_CR                               0x30
105 #define DM1105_RST                              0x34
106 #define DM1105_STADR                            0x38
107 #define DM1105_RLEN                             0x3c
108 #define DM1105_WRP                              0x40
109 #define DM1105_INTCNT                           0x44
110 #define DM1105_INTMAK                           0x48
111 #define DM1105_INTSTS                           0x4c
112
113 /* CW Value */
114 #define DM1105_ODD                              0x50
115 #define DM1105_EVEN                             0x58
116
117 /* PID Value */
118 #define DM1105_PID                              0x60
119
120 /* IR Control */
121 #define DM1105_IRCTR                            0x64
122 #define DM1105_IRMODE                           0x68
123 #define DM1105_SYSTEMCODE                       0x6c
124 #define DM1105_IRCODE                           0x70
125
126 /* Unknown Values */
127 #define DM1105_ENCRYPT                          0x74
128 #define DM1105_VER                              0x7c
129
130 /* I2C Interface */
131 #define DM1105_I2CCTR                           0x80
132 #define DM1105_I2CSTS                           0x81
133 #define DM1105_I2CDAT                           0x82
134 #define DM1105_I2C_RA                           0x83
135 /* ----------------------------------------------- */
136 /* Interrupt Mask Bits */
137
138 #define INTMAK_TSIRQM                           0x01
139 #define INTMAK_HIRQM                            0x04
140 #define INTMAK_IRM                              0x08
141 #define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
142                                                 INTMAK_HIRQM | \
143                                                 INTMAK_IRM)
144 #define INTMAK_NONEMASK                         0x00
145
146 /* Interrupt Status Bits */
147 #define INTSTS_TSIRQ                            0x01
148 #define INTSTS_HIRQ                             0x04
149 #define INTSTS_IR                               0x08
150
151 /* IR Control Bits */
152 #define DM1105_IR_EN                            0x01
153 #define DM1105_SYS_CHK                          0x02
154 #define DM1105_REP_FLG                          0x08
155
156 /* EEPROM addr */
157 #define IIC_24C01_addr                          0xa0
158 /* Max board count */
159 #define DM1105_MAX                              0x04
160
161 #define DRIVER_NAME                             "dm1105"
162 #define DM1105_I2C_GPIO_NAME                    "dm1105-gpio"
163
164 #define DM1105_DMA_PACKETS                      47
165 #define DM1105_DMA_PACKET_LENGTH                (128*4)
166 #define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
167
168 /*  */
169 #define GPIO08                                  (1 << 8)
170 #define GPIO13                                  (1 << 13)
171 #define GPIO14                                  (1 << 14)
172 #define GPIO15                                  (1 << 15)
173 #define GPIO16                                  (1 << 16)
174 #define GPIO17                                  (1 << 17)
175 #define GPIO_ALL                                0x03ffff
176
177 /* GPIO's for LNB power control */
178 #define DM1105_LNB_MASK                         (GPIO_ALL & ~(GPIO14 | GPIO13))
179 #define DM1105_LNB_OFF                          GPIO17
180 #define DM1105_LNB_13V                          (GPIO16 | GPIO08)
181 #define DM1105_LNB_18V                          GPIO08
182
183 /* GPIO's for LNB power control for Axess DM05 */
184 #define DM05_LNB_MASK                           (GPIO_ALL & ~(GPIO14 | GPIO13))
185 #define DM05_LNB_OFF                            GPIO17/* actually 13v */
186 #define DM05_LNB_13V                            GPIO17
187 #define DM05_LNB_18V                            (GPIO17 | GPIO16)
188
189 /* GPIO's for LNB power control for unbranded with I2C on GPIO */
190 #define UNBR_LNB_MASK                           (GPIO17 | GPIO16)
191 #define UNBR_LNB_OFF                            0
192 #define UNBR_LNB_13V                            GPIO17
193 #define UNBR_LNB_18V                            (GPIO17 | GPIO16)
194
195 static unsigned int card[]  = {[0 ... 3] = UNSET };
196 module_param_array(card,  int, NULL, 0444);
197 MODULE_PARM_DESC(card, "card type");
198
199 static int ir_debug;
200 module_param(ir_debug, int, 0644);
201 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
202
203 static unsigned int dm1105_devcount;
204
205 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
206
207 struct dm1105_board {
208         char    *name;
209         struct  {
210                 u32     mask, off, v13, v18;
211         } lnb;
212         u32     gpio_scl, gpio_sda;
213 };
214
215 struct dm1105_subid {
216         u16     subvendor;
217         u16     subdevice;
218         u32     card;
219 };
220
221 static const struct dm1105_board dm1105_boards[] = {
222         [DM1105_BOARD_UNKNOWN] = {
223                 .name           = "UNKNOWN/GENERIC",
224                 .lnb = {
225                         .mask = DM1105_LNB_MASK,
226                         .off = DM1105_LNB_OFF,
227                         .v13 = DM1105_LNB_13V,
228                         .v18 = DM1105_LNB_18V,
229                 },
230         },
231         [DM1105_BOARD_DVBWORLD_2002] = {
232                 .name           = "DVBWorld PCI 2002",
233                 .lnb = {
234                         .mask = DM1105_LNB_MASK,
235                         .off = DM1105_LNB_OFF,
236                         .v13 = DM1105_LNB_13V,
237                         .v18 = DM1105_LNB_18V,
238                 },
239         },
240         [DM1105_BOARD_DVBWORLD_2004] = {
241                 .name           = "DVBWorld PCI 2004",
242                 .lnb = {
243                         .mask = DM1105_LNB_MASK,
244                         .off = DM1105_LNB_OFF,
245                         .v13 = DM1105_LNB_13V,
246                         .v18 = DM1105_LNB_18V,
247                 },
248         },
249         [DM1105_BOARD_AXESS_DM05] = {
250                 .name           = "Axess/EasyTv DM05",
251                 .lnb = {
252                         .mask = DM05_LNB_MASK,
253                         .off = DM05_LNB_OFF,
254                         .v13 = DM05_LNB_13V,
255                         .v18 = DM05_LNB_18V,
256                 },
257         },
258         [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
259                 .name           = "Unbranded DM1105 with i2c on GPIOs",
260                 .lnb = {
261                         .mask = UNBR_LNB_MASK,
262                         .off = UNBR_LNB_OFF,
263                         .v13 = UNBR_LNB_13V,
264                         .v18 = UNBR_LNB_18V,
265                 },
266                 .gpio_scl       = GPIO14,
267                 .gpio_sda       = GPIO13,
268         },
269 };
270
271 static const struct dm1105_subid dm1105_subids[] = {
272         {
273                 .subvendor = 0x0000,
274                 .subdevice = 0x2002,
275                 .card      = DM1105_BOARD_DVBWORLD_2002,
276         }, {
277                 .subvendor = 0x0001,
278                 .subdevice = 0x2002,
279                 .card      = DM1105_BOARD_DVBWORLD_2002,
280         }, {
281                 .subvendor = 0x0000,
282                 .subdevice = 0x2004,
283                 .card      = DM1105_BOARD_DVBWORLD_2004,
284         }, {
285                 .subvendor = 0x0001,
286                 .subdevice = 0x2004,
287                 .card      = DM1105_BOARD_DVBWORLD_2004,
288         }, {
289                 .subvendor = 0x195d,
290                 .subdevice = 0x1105,
291                 .card      = DM1105_BOARD_AXESS_DM05,
292         },
293 };
294
295 static void dm1105_card_list(struct pci_dev *pci)
296 {
297         int i;
298
299         if (0 == pci->subsystem_vendor &&
300                         0 == pci->subsystem_device) {
301                 printk(KERN_ERR
302                         "dm1105: Your board has no valid PCI Subsystem ID\n"
303                         "dm1105: and thus can't be autodetected\n"
304                         "dm1105: Please pass card=<n> insmod option to\n"
305                         "dm1105: workaround that.  Redirect complaints to\n"
306                         "dm1105: the vendor of the TV card.  Best regards,\n"
307                         "dm1105: -- tux\n");
308         } else {
309                 printk(KERN_ERR
310                         "dm1105: Your board isn't known (yet) to the driver.\n"
311                         "dm1105: You can try to pick one of the existing\n"
312                         "dm1105: card configs via card=<n> insmod option.\n"
313                         "dm1105: Updating to the latest version might help\n"
314                         "dm1105: as well.\n");
315         }
316         printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
317                    "insmod option:\n");
318         for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
319                 printk(KERN_ERR "dm1105:    card=%d -> %s\n",
320                                 i, dm1105_boards[i].name);
321 }
322
323 /* infrared remote control */
324 struct infrared {
325         struct rc_dev           *dev;
326         char                    input_phys[32];
327         struct work_struct      work;
328         u32                     ir_command;
329 };
330
331 struct dm1105_dev {
332         /* pci */
333         struct pci_dev *pdev;
334         u8 __iomem *io_mem;
335
336         /* ir */
337         struct infrared ir;
338
339         /* dvb */
340         struct dmx_frontend hw_frontend;
341         struct dmx_frontend mem_frontend;
342         struct dmxdev dmxdev;
343         struct dvb_adapter dvb_adapter;
344         struct dvb_demux demux;
345         struct dvb_frontend *fe;
346         struct dvb_net dvbnet;
347         unsigned int full_ts_users;
348         unsigned int boardnr;
349         int nr;
350
351         /* i2c */
352         struct i2c_adapter i2c_adap;
353         struct i2c_adapter i2c_bb_adap;
354         struct i2c_algo_bit_data i2c_bit;
355
356         /* irq */
357         struct work_struct work;
358         struct workqueue_struct *wq;
359         char wqn[16];
360
361         /* dma */
362         dma_addr_t dma_addr;
363         unsigned char *ts_buf;
364         u32 wrp;
365         u32 nextwrp;
366         u32 buffer_size;
367         unsigned int    PacketErrorCount;
368         unsigned int dmarst;
369         spinlock_t lock;
370 };
371
372 #define dm_io_mem(reg)  ((unsigned long)(&dev->io_mem[reg]))
373
374 #define dm_readb(reg)           inb(dm_io_mem(reg))
375 #define dm_writeb(reg, value)   outb((value), (dm_io_mem(reg)))
376
377 #define dm_readw(reg)           inw(dm_io_mem(reg))
378 #define dm_writew(reg, value)   outw((value), (dm_io_mem(reg)))
379
380 #define dm_readl(reg)           inl(dm_io_mem(reg))
381 #define dm_writel(reg, value)   outl((value), (dm_io_mem(reg)))
382
383 #define dm_andorl(reg, mask, value) \
384         outl((inl(dm_io_mem(reg)) & ~(mask)) |\
385                 ((value) & (mask)), (dm_io_mem(reg)))
386
387 #define dm_setl(reg, bit)       dm_andorl((reg), (bit), (bit))
388 #define dm_clearl(reg, bit)     dm_andorl((reg), (bit), 0)
389
390 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
391  so we can use only 3 GPIO's from GPIO15 to GPIO17.
392  Here I don't check whether HOST is enebled as it is not implemented yet.
393  */
394 static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
395 {
396         if (mask & 0xfffc0000)
397                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
398
399         if (mask & 0x0003ffff)
400                 dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
401
402 }
403
404 static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
405 {
406         if (mask & 0xfffc0000)
407                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
408
409         if (mask & 0x0003ffff)
410                 dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
411
412 }
413
414 static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
415 {
416         if (mask & 0xfffc0000)
417                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
418
419         if (mask & 0x0003ffff)
420                 dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
421
422 }
423
424 static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
425 {
426         if (mask & 0xfffc0000)
427                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
428
429         if (mask & 0x0003ffff)
430                 return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
431
432         return 0;
433 }
434
435 static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
436 {
437         if (mask & 0xfffc0000)
438                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
439
440         if ((mask & 0x0003ffff) && asoutput)
441                 dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
442         else if ((mask & 0x0003ffff) && !asoutput)
443                 dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
444
445 }
446
447 static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
448 {
449         if (state)
450                 dm1105_gpio_enable(dev, line, 0);
451         else {
452                 dm1105_gpio_enable(dev, line, 1);
453                 dm1105_gpio_clear(dev, line);
454         }
455 }
456
457 static void dm1105_setsda(void *data, int state)
458 {
459         struct dm1105_dev *dev = data;
460
461         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
462 }
463
464 static void dm1105_setscl(void *data, int state)
465 {
466         struct dm1105_dev *dev = data;
467
468         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
469 }
470
471 static int dm1105_getsda(void *data)
472 {
473         struct dm1105_dev *dev = data;
474
475         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
476                                                                         ? 1 : 0;
477 }
478
479 static int dm1105_getscl(void *data)
480 {
481         struct dm1105_dev *dev = data;
482
483         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
484                                                                         ? 1 : 0;
485 }
486
487 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
488                             struct i2c_msg *msgs, int num)
489 {
490         struct dm1105_dev *dev ;
491
492         int addr, rc, i, j, k, len, byte, data;
493         u8 status;
494
495         dev = i2c_adap->algo_data;
496         for (i = 0; i < num; i++) {
497                 dm_writeb(DM1105_I2CCTR, 0x00);
498                 if (msgs[i].flags & I2C_M_RD) {
499                         /* read bytes */
500                         addr  = msgs[i].addr << 1;
501                         addr |= 1;
502                         dm_writeb(DM1105_I2CDAT, addr);
503                         for (byte = 0; byte < msgs[i].len; byte++)
504                                 dm_writeb(DM1105_I2CDAT + byte + 1, 0);
505
506                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
507                         for (j = 0; j < 55; j++) {
508                                 mdelay(10);
509                                 status = dm_readb(DM1105_I2CSTS);
510                                 if ((status & 0xc0) == 0x40)
511                                         break;
512                         }
513                         if (j >= 55)
514                                 return -1;
515
516                         for (byte = 0; byte < msgs[i].len; byte++) {
517                                 rc = dm_readb(DM1105_I2CDAT + byte + 1);
518                                 if (rc < 0)
519                                         goto err;
520                                 msgs[i].buf[byte] = rc;
521                         }
522                 } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
523                         /* prepaired for cx24116 firmware */
524                         /* Write in small blocks */
525                         len = msgs[i].len - 1;
526                         k = 1;
527                         do {
528                                 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
529                                 dm_writeb(DM1105_I2CDAT + 1, 0xf7);
530                                 for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
531                                         data = msgs[i].buf[k + byte];
532                                         dm_writeb(DM1105_I2CDAT + byte + 2, data);
533                                 }
534                                 dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
535                                 for (j = 0; j < 25; j++) {
536                                         mdelay(10);
537                                         status = dm_readb(DM1105_I2CSTS);
538                                         if ((status & 0xc0) == 0x40)
539                                                 break;
540                                 }
541
542                                 if (j >= 25)
543                                         return -1;
544
545                                 k += 48;
546                                 len -= 48;
547                         } while (len > 0);
548                 } else {
549                         /* write bytes */
550                         dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
551                         for (byte = 0; byte < msgs[i].len; byte++) {
552                                 data = msgs[i].buf[byte];
553                                 dm_writeb(DM1105_I2CDAT + byte + 1, data);
554                         }
555                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
556                         for (j = 0; j < 25; j++) {
557                                 mdelay(10);
558                                 status = dm_readb(DM1105_I2CSTS);
559                                 if ((status & 0xc0) == 0x40)
560                                         break;
561                         }
562
563                         if (j >= 25)
564                                 return -1;
565                 }
566         }
567         return num;
568  err:
569         return rc;
570 }
571
572 static u32 functionality(struct i2c_adapter *adap)
573 {
574         return I2C_FUNC_I2C;
575 }
576
577 static struct i2c_algorithm dm1105_algo = {
578         .master_xfer   = dm1105_i2c_xfer,
579         .functionality = functionality,
580 };
581
582 static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
583 {
584         return container_of(feed->demux, struct dm1105_dev, demux);
585 }
586
587 static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
588 {
589         return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
590 }
591
592 static int dm1105_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
593 {
594         struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
595
596         dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
597         if (voltage == SEC_VOLTAGE_18)
598                 dm1105_gpio_andor(dev,
599                                 dm1105_boards[dev->boardnr].lnb.mask,
600                                 dm1105_boards[dev->boardnr].lnb.v18);
601         else if (voltage == SEC_VOLTAGE_13)
602                 dm1105_gpio_andor(dev,
603                                 dm1105_boards[dev->boardnr].lnb.mask,
604                                 dm1105_boards[dev->boardnr].lnb.v13);
605         else
606                 dm1105_gpio_andor(dev,
607                                 dm1105_boards[dev->boardnr].lnb.mask,
608                                 dm1105_boards[dev->boardnr].lnb.off);
609
610         return 0;
611 }
612
613 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
614 {
615         dm_writel(DM1105_STADR, cpu_to_le32(dev->dma_addr));
616 }
617
618 static int __devinit dm1105_dma_map(struct dm1105_dev *dev)
619 {
620         dev->ts_buf = pci_alloc_consistent(dev->pdev,
621                                         6 * DM1105_DMA_BYTES,
622                                         &dev->dma_addr);
623
624         return !dev->ts_buf;
625 }
626
627 static void dm1105_dma_unmap(struct dm1105_dev *dev)
628 {
629         pci_free_consistent(dev->pdev,
630                         6 * DM1105_DMA_BYTES,
631                         dev->ts_buf,
632                         dev->dma_addr);
633 }
634
635 static void dm1105_enable_irqs(struct dm1105_dev *dev)
636 {
637         dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
638         dm_writeb(DM1105_CR, 1);
639 }
640
641 static void dm1105_disable_irqs(struct dm1105_dev *dev)
642 {
643         dm_writeb(DM1105_INTMAK, INTMAK_IRM);
644         dm_writeb(DM1105_CR, 0);
645 }
646
647 static int dm1105_start_feed(struct dvb_demux_feed *f)
648 {
649         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
650
651         if (dev->full_ts_users++ == 0)
652                 dm1105_enable_irqs(dev);
653
654         return 0;
655 }
656
657 static int dm1105_stop_feed(struct dvb_demux_feed *f)
658 {
659         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
660
661         if (--dev->full_ts_users == 0)
662                 dm1105_disable_irqs(dev);
663
664         return 0;
665 }
666
667 /* ir work handler */
668 static void dm1105_emit_key(struct work_struct *work)
669 {
670         struct infrared *ir = container_of(work, struct infrared, work);
671         u32 ircom = ir->ir_command;
672         u8 data;
673
674         if (ir_debug)
675                 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
676
677         data = (ircom >> 8) & 0x7f;
678
679         rc_keydown(ir->dev, data, 0);
680 }
681
682 /* work handler */
683 static void dm1105_dmx_buffer(struct work_struct *work)
684 {
685         struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
686         unsigned int nbpackets;
687         u32 oldwrp = dev->wrp;
688         u32 nextwrp = dev->nextwrp;
689
690         if (!((dev->ts_buf[oldwrp] == 0x47) &&
691                         (dev->ts_buf[oldwrp + 188] == 0x47) &&
692                         (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
693                 dev->PacketErrorCount++;
694                 /* bad packet found */
695                 if ((dev->PacketErrorCount >= 2) &&
696                                 (dev->dmarst == 0)) {
697                         dm_writeb(DM1105_RST, 1);
698                         dev->wrp = 0;
699                         dev->PacketErrorCount = 0;
700                         dev->dmarst = 0;
701                         return;
702                 }
703         }
704
705         if (nextwrp < oldwrp) {
706                 memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
707                 nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
708         } else
709                 nbpackets = (nextwrp - oldwrp) / 188;
710
711         dev->wrp = nextwrp;
712         dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
713 }
714
715 static irqreturn_t dm1105_irq(int irq, void *dev_id)
716 {
717         struct dm1105_dev *dev = dev_id;
718
719         /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
720         unsigned int intsts = dm_readb(DM1105_INTSTS);
721         dm_writeb(DM1105_INTSTS, intsts);
722
723         switch (intsts) {
724         case INTSTS_TSIRQ:
725         case (INTSTS_TSIRQ | INTSTS_IR):
726                 dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
727                 queue_work(dev->wq, &dev->work);
728                 break;
729         case INTSTS_IR:
730                 dev->ir.ir_command = dm_readl(DM1105_IRCODE);
731                 schedule_work(&dev->ir.work);
732                 break;
733         }
734
735         return IRQ_HANDLED;
736 }
737
738 int __devinit dm1105_ir_init(struct dm1105_dev *dm1105)
739 {
740         struct rc_dev *dev;
741         int err = -ENOMEM;
742
743         dev = rc_allocate_device();
744         if (!dev)
745                 return -ENOMEM;
746
747         snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
748                 "pci-%s/ir0", pci_name(dm1105->pdev));
749
750         dev->driver_name = MODULE_NAME;
751         dev->map_name = RC_MAP_DM1105_NEC;
752         dev->driver_type = RC_DRIVER_SCANCODE;
753         dev->input_name = "DVB on-card IR receiver";
754         dev->input_phys = dm1105->ir.input_phys;
755         dev->input_id.bustype = BUS_PCI;
756         dev->input_id.version = 1;
757         if (dm1105->pdev->subsystem_vendor) {
758                 dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
759                 dev->input_id.product = dm1105->pdev->subsystem_device;
760         } else {
761                 dev->input_id.vendor = dm1105->pdev->vendor;
762                 dev->input_id.product = dm1105->pdev->device;
763         }
764         dev->dev.parent = &dm1105->pdev->dev;
765
766         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
767
768         err = rc_register_device(dev);
769         if (err < 0) {
770                 rc_free_device(dev);
771                 return err;
772         }
773
774         dm1105->ir.dev = dev;
775         return 0;
776 }
777
778 void __devexit dm1105_ir_exit(struct dm1105_dev *dm1105)
779 {
780         rc_unregister_device(dm1105->ir.dev);
781 }
782
783 static int __devinit dm1105_hw_init(struct dm1105_dev *dev)
784 {
785         dm1105_disable_irqs(dev);
786
787         dm_writeb(DM1105_HOST_CTR, 0);
788
789         /*DATALEN 188,*/
790         dm_writeb(DM1105_DTALENTH, 188);
791         /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
792         dm_writew(DM1105_TSCTR, 0xc10a);
793
794         /* map DMA and set address */
795         dm1105_dma_map(dev);
796         dm1105_set_dma_addr(dev);
797         /* big buffer */
798         dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
799         dm_writeb(DM1105_INTCNT, 47);
800
801         /* IR NEC mode enable */
802         dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
803         dm_writeb(DM1105_IRMODE, 0);
804         dm_writew(DM1105_SYSTEMCODE, 0);
805
806         return 0;
807 }
808
809 static void dm1105_hw_exit(struct dm1105_dev *dev)
810 {
811         dm1105_disable_irqs(dev);
812
813         /* IR disable */
814         dm_writeb(DM1105_IRCTR, 0);
815         dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
816
817         dm1105_dma_unmap(dev);
818 }
819
820 static struct stv0299_config sharp_z0194a_config = {
821         .demod_address = 0x68,
822         .inittab = sharp_z0194a_inittab,
823         .mclk = 88000000UL,
824         .invert = 1,
825         .skip_reinit = 0,
826         .lock_output = STV0299_LOCKOUTPUT_1,
827         .volt13_op0_op1 = STV0299_VOLT13_OP1,
828         .min_delay_ms = 100,
829         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
830 };
831
832 static struct stv0288_config earda_config = {
833         .demod_address = 0x68,
834         .min_delay_ms = 100,
835 };
836
837 static struct si21xx_config serit_config = {
838         .demod_address = 0x68,
839         .min_delay_ms = 100,
840
841 };
842
843 static struct cx24116_config serit_sp2633_config = {
844         .demod_address = 0x55,
845 };
846
847 static struct ds3000_config dvbworld_ds3000_config = {
848         .demod_address = 0x68,
849 };
850
851 static int __devinit frontend_init(struct dm1105_dev *dev)
852 {
853         int ret;
854
855         switch (dev->boardnr) {
856         case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
857                 dm1105_gpio_enable(dev, GPIO15, 1);
858                 dm1105_gpio_clear(dev, GPIO15);
859                 msleep(100);
860                 dm1105_gpio_set(dev, GPIO15);
861                 msleep(200);
862                 dev->fe = dvb_attach(
863                         stv0299_attach, &sharp_z0194a_config,
864                         &dev->i2c_bb_adap);
865                 if (dev->fe) {
866                         dev->fe->ops.set_voltage = dm1105_set_voltage;
867                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
868                                         &dev->i2c_bb_adap, DVB_PLL_OPERA1);
869                         break;
870                 }
871
872                 dev->fe = dvb_attach(
873                         stv0288_attach, &earda_config,
874                         &dev->i2c_bb_adap);
875                 if (dev->fe) {
876                         dev->fe->ops.set_voltage = dm1105_set_voltage;
877                         dvb_attach(stb6000_attach, dev->fe, 0x61,
878                                         &dev->i2c_bb_adap);
879                         break;
880                 }
881
882                 dev->fe = dvb_attach(
883                         si21xx_attach, &serit_config,
884                         &dev->i2c_bb_adap);
885                 if (dev->fe)
886                         dev->fe->ops.set_voltage = dm1105_set_voltage;
887                 break;
888         case DM1105_BOARD_DVBWORLD_2004:
889                 dev->fe = dvb_attach(
890                         cx24116_attach, &serit_sp2633_config,
891                         &dev->i2c_adap);
892                 if (dev->fe) {
893                         dev->fe->ops.set_voltage = dm1105_set_voltage;
894                         break;
895                 }
896
897                 dev->fe = dvb_attach(
898                         ds3000_attach, &dvbworld_ds3000_config,
899                         &dev->i2c_adap);
900                 if (dev->fe)
901                         dev->fe->ops.set_voltage = dm1105_set_voltage;
902
903                 break;
904         case DM1105_BOARD_DVBWORLD_2002:
905         case DM1105_BOARD_AXESS_DM05:
906         default:
907                 dev->fe = dvb_attach(
908                         stv0299_attach, &sharp_z0194a_config,
909                         &dev->i2c_adap);
910                 if (dev->fe) {
911                         dev->fe->ops.set_voltage = dm1105_set_voltage;
912                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
913                                         &dev->i2c_adap, DVB_PLL_OPERA1);
914                         break;
915                 }
916
917                 dev->fe = dvb_attach(
918                         stv0288_attach, &earda_config,
919                         &dev->i2c_adap);
920                 if (dev->fe) {
921                         dev->fe->ops.set_voltage = dm1105_set_voltage;
922                         dvb_attach(stb6000_attach, dev->fe, 0x61,
923                                         &dev->i2c_adap);
924                         break;
925                 }
926
927                 dev->fe = dvb_attach(
928                         si21xx_attach, &serit_config,
929                         &dev->i2c_adap);
930                 if (dev->fe)
931                         dev->fe->ops.set_voltage = dm1105_set_voltage;
932
933         }
934
935         if (!dev->fe) {
936                 dev_err(&dev->pdev->dev, "could not attach frontend\n");
937                 return -ENODEV;
938         }
939
940         ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
941         if (ret < 0) {
942                 if (dev->fe->ops.release)
943                         dev->fe->ops.release(dev->fe);
944                 dev->fe = NULL;
945                 return ret;
946         }
947
948         return 0;
949 }
950
951 static void __devinit dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
952 {
953         static u8 command[1] = { 0x28 };
954
955         struct i2c_msg msg[] = {
956                 {
957                         .addr = IIC_24C01_addr >> 1,
958                         .flags = 0,
959                         .buf = command,
960                         .len = 1
961                 }, {
962                         .addr = IIC_24C01_addr >> 1,
963                         .flags = I2C_M_RD,
964                         .buf = mac,
965                         .len = 6
966                 },
967         };
968
969         dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
970         dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
971 }
972
973 static int __devinit dm1105_probe(struct pci_dev *pdev,
974                                   const struct pci_device_id *ent)
975 {
976         struct dm1105_dev *dev;
977         struct dvb_adapter *dvb_adapter;
978         struct dvb_demux *dvbdemux;
979         struct dmx_demux *dmx;
980         int ret = -ENOMEM;
981         int i;
982
983         dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
984         if (!dev)
985                 return -ENOMEM;
986
987         /* board config */
988         dev->nr = dm1105_devcount;
989         dev->boardnr = UNSET;
990         if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
991                 dev->boardnr = card[dev->nr];
992         for (i = 0; UNSET == dev->boardnr &&
993                                 i < ARRAY_SIZE(dm1105_subids); i++)
994                 if (pdev->subsystem_vendor ==
995                         dm1105_subids[i].subvendor &&
996                                 pdev->subsystem_device ==
997                                         dm1105_subids[i].subdevice)
998                         dev->boardnr = dm1105_subids[i].card;
999
1000         if (UNSET == dev->boardnr) {
1001                 dev->boardnr = DM1105_BOARD_UNKNOWN;
1002                 dm1105_card_list(pdev);
1003         }
1004
1005         dm1105_devcount++;
1006         dev->pdev = pdev;
1007         dev->buffer_size = 5 * DM1105_DMA_BYTES;
1008         dev->PacketErrorCount = 0;
1009         dev->dmarst = 0;
1010
1011         ret = pci_enable_device(pdev);
1012         if (ret < 0)
1013                 goto err_kfree;
1014
1015         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1016         if (ret < 0)
1017                 goto err_pci_disable_device;
1018
1019         pci_set_master(pdev);
1020
1021         ret = pci_request_regions(pdev, DRIVER_NAME);
1022         if (ret < 0)
1023                 goto err_pci_disable_device;
1024
1025         dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1026         if (!dev->io_mem) {
1027                 ret = -EIO;
1028                 goto err_pci_release_regions;
1029         }
1030
1031         spin_lock_init(&dev->lock);
1032         pci_set_drvdata(pdev, dev);
1033
1034         ret = dm1105_hw_init(dev);
1035         if (ret < 0)
1036                 goto err_pci_iounmap;
1037
1038         /* i2c */
1039         i2c_set_adapdata(&dev->i2c_adap, dev);
1040         strcpy(dev->i2c_adap.name, DRIVER_NAME);
1041         dev->i2c_adap.owner = THIS_MODULE;
1042         dev->i2c_adap.dev.parent = &pdev->dev;
1043         dev->i2c_adap.algo = &dm1105_algo;
1044         dev->i2c_adap.algo_data = dev;
1045         ret = i2c_add_adapter(&dev->i2c_adap);
1046
1047         if (ret < 0)
1048                 goto err_dm1105_hw_exit;
1049
1050         i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1051         strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1052         dev->i2c_bb_adap.owner = THIS_MODULE;
1053         dev->i2c_bb_adap.dev.parent = &pdev->dev;
1054         dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1055         dev->i2c_bit.data = dev;
1056         dev->i2c_bit.setsda = dm1105_setsda;
1057         dev->i2c_bit.setscl = dm1105_setscl;
1058         dev->i2c_bit.getsda = dm1105_getsda;
1059         dev->i2c_bit.getscl = dm1105_getscl;
1060         dev->i2c_bit.udelay = 10;
1061         dev->i2c_bit.timeout = 10;
1062
1063         /* Raise SCL and SDA */
1064         dm1105_setsda(dev, 1);
1065         dm1105_setscl(dev, 1);
1066
1067         ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1068         if (ret < 0)
1069                 goto err_i2c_del_adapter;
1070
1071         /* dvb */
1072         ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1073                                         THIS_MODULE, &pdev->dev, adapter_nr);
1074         if (ret < 0)
1075                 goto err_i2c_del_adapters;
1076
1077         dvb_adapter = &dev->dvb_adapter;
1078
1079         dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1080
1081         dvbdemux = &dev->demux;
1082         dvbdemux->filternum = 256;
1083         dvbdemux->feednum = 256;
1084         dvbdemux->start_feed = dm1105_start_feed;
1085         dvbdemux->stop_feed = dm1105_stop_feed;
1086         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1087                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1088         ret = dvb_dmx_init(dvbdemux);
1089         if (ret < 0)
1090                 goto err_dvb_unregister_adapter;
1091
1092         dmx = &dvbdemux->dmx;
1093         dev->dmxdev.filternum = 256;
1094         dev->dmxdev.demux = dmx;
1095         dev->dmxdev.capabilities = 0;
1096
1097         ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1098         if (ret < 0)
1099                 goto err_dvb_dmx_release;
1100
1101         dev->hw_frontend.source = DMX_FRONTEND_0;
1102
1103         ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1104         if (ret < 0)
1105                 goto err_dvb_dmxdev_release;
1106
1107         dev->mem_frontend.source = DMX_MEMORY_FE;
1108
1109         ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1110         if (ret < 0)
1111                 goto err_remove_hw_frontend;
1112
1113         ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1114         if (ret < 0)
1115                 goto err_remove_mem_frontend;
1116
1117         ret = frontend_init(dev);
1118         if (ret < 0)
1119                 goto err_disconnect_frontend;
1120
1121         dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1122         dm1105_ir_init(dev);
1123
1124         INIT_WORK(&dev->work, dm1105_dmx_buffer);
1125         sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1126         dev->wq = create_singlethread_workqueue(dev->wqn);
1127         if (!dev->wq)
1128                 goto err_dvb_net;
1129
1130         ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1131                                                 DRIVER_NAME, dev);
1132         if (ret < 0)
1133                 goto err_workqueue;
1134
1135         return 0;
1136
1137 err_workqueue:
1138         destroy_workqueue(dev->wq);
1139 err_dvb_net:
1140         dvb_net_release(&dev->dvbnet);
1141 err_disconnect_frontend:
1142         dmx->disconnect_frontend(dmx);
1143 err_remove_mem_frontend:
1144         dmx->remove_frontend(dmx, &dev->mem_frontend);
1145 err_remove_hw_frontend:
1146         dmx->remove_frontend(dmx, &dev->hw_frontend);
1147 err_dvb_dmxdev_release:
1148         dvb_dmxdev_release(&dev->dmxdev);
1149 err_dvb_dmx_release:
1150         dvb_dmx_release(dvbdemux);
1151 err_dvb_unregister_adapter:
1152         dvb_unregister_adapter(dvb_adapter);
1153 err_i2c_del_adapters:
1154         i2c_del_adapter(&dev->i2c_bb_adap);
1155 err_i2c_del_adapter:
1156         i2c_del_adapter(&dev->i2c_adap);
1157 err_dm1105_hw_exit:
1158         dm1105_hw_exit(dev);
1159 err_pci_iounmap:
1160         pci_iounmap(pdev, dev->io_mem);
1161 err_pci_release_regions:
1162         pci_release_regions(pdev);
1163 err_pci_disable_device:
1164         pci_disable_device(pdev);
1165 err_kfree:
1166         pci_set_drvdata(pdev, NULL);
1167         kfree(dev);
1168         return ret;
1169 }
1170
1171 static void __devexit dm1105_remove(struct pci_dev *pdev)
1172 {
1173         struct dm1105_dev *dev = pci_get_drvdata(pdev);
1174         struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1175         struct dvb_demux *dvbdemux = &dev->demux;
1176         struct dmx_demux *dmx = &dvbdemux->dmx;
1177
1178         dm1105_ir_exit(dev);
1179         dmx->close(dmx);
1180         dvb_net_release(&dev->dvbnet);
1181         if (dev->fe)
1182                 dvb_unregister_frontend(dev->fe);
1183
1184         dmx->disconnect_frontend(dmx);
1185         dmx->remove_frontend(dmx, &dev->mem_frontend);
1186         dmx->remove_frontend(dmx, &dev->hw_frontend);
1187         dvb_dmxdev_release(&dev->dmxdev);
1188         dvb_dmx_release(dvbdemux);
1189         dvb_unregister_adapter(dvb_adapter);
1190         if (&dev->i2c_adap)
1191                 i2c_del_adapter(&dev->i2c_adap);
1192
1193         dm1105_hw_exit(dev);
1194         synchronize_irq(pdev->irq);
1195         free_irq(pdev->irq, dev);
1196         pci_iounmap(pdev, dev->io_mem);
1197         pci_release_regions(pdev);
1198         pci_disable_device(pdev);
1199         pci_set_drvdata(pdev, NULL);
1200         dm1105_devcount--;
1201         kfree(dev);
1202 }
1203
1204 static struct pci_device_id dm1105_id_table[] __devinitdata = {
1205         {
1206                 .vendor = PCI_VENDOR_ID_TRIGEM,
1207                 .device = PCI_DEVICE_ID_DM1105,
1208                 .subvendor = PCI_ANY_ID,
1209                 .subdevice = PCI_ANY_ID,
1210         }, {
1211                 .vendor = PCI_VENDOR_ID_AXESS,
1212                 .device = PCI_DEVICE_ID_DM05,
1213                 .subvendor = PCI_ANY_ID,
1214                 .subdevice = PCI_ANY_ID,
1215         }, {
1216                 /* empty */
1217         },
1218 };
1219
1220 MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1221
1222 static struct pci_driver dm1105_driver = {
1223         .name = DRIVER_NAME,
1224         .id_table = dm1105_id_table,
1225         .probe = dm1105_probe,
1226         .remove = __devexit_p(dm1105_remove),
1227 };
1228
1229 static int __init dm1105_init(void)
1230 {
1231         return pci_register_driver(&dm1105_driver);
1232 }
1233
1234 static void __exit dm1105_exit(void)
1235 {
1236         pci_unregister_driver(&dm1105_driver);
1237 }
1238
1239 module_init(dm1105_init);
1240 module_exit(dm1105_exit);
1241
1242 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1243 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1244 MODULE_LICENSE("GPL");