Merge branch 'timers-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[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/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 "ds3000.h"
49
50 #define MODULE_NAME "dm1105"
51
52 #define UNSET (-1U)
53
54 #define DM1105_BOARD_NOAUTO                     UNSET
55 #define DM1105_BOARD_UNKNOWN                    0
56 #define DM1105_BOARD_DVBWORLD_2002              1
57 #define DM1105_BOARD_DVBWORLD_2004              2
58 #define DM1105_BOARD_AXESS_DM05                 3
59 #define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO      4
60
61 /* ----------------------------------------------- */
62 /*
63  * PCI ID's
64  */
65 #ifndef PCI_VENDOR_ID_TRIGEM
66 #define PCI_VENDOR_ID_TRIGEM    0x109f
67 #endif
68 #ifndef PCI_VENDOR_ID_AXESS
69 #define PCI_VENDOR_ID_AXESS     0x195d
70 #endif
71 #ifndef PCI_DEVICE_ID_DM1105
72 #define PCI_DEVICE_ID_DM1105    0x036f
73 #endif
74 #ifndef PCI_DEVICE_ID_DW2002
75 #define PCI_DEVICE_ID_DW2002    0x2002
76 #endif
77 #ifndef PCI_DEVICE_ID_DW2004
78 #define PCI_DEVICE_ID_DW2004    0x2004
79 #endif
80 #ifndef PCI_DEVICE_ID_DM05
81 #define PCI_DEVICE_ID_DM05      0x1105
82 #endif
83 /* ----------------------------------------------- */
84 /* sdmc dm1105 registers */
85
86 /* TS Control */
87 #define DM1105_TSCTR                            0x00
88 #define DM1105_DTALENTH                         0x04
89
90 /* GPIO Interface */
91 #define DM1105_GPIOVAL                          0x08
92 #define DM1105_GPIOCTR                          0x0c
93
94 /* PID serial number */
95 #define DM1105_PIDN                             0x10
96
97 /* Odd-even secret key select */
98 #define DM1105_CWSEL                            0x14
99
100 /* Host Command Interface */
101 #define DM1105_HOST_CTR                         0x18
102 #define DM1105_HOST_AD                          0x1c
103
104 /* PCI Interface */
105 #define DM1105_CR                               0x30
106 #define DM1105_RST                              0x34
107 #define DM1105_STADR                            0x38
108 #define DM1105_RLEN                             0x3c
109 #define DM1105_WRP                              0x40
110 #define DM1105_INTCNT                           0x44
111 #define DM1105_INTMAK                           0x48
112 #define DM1105_INTSTS                           0x4c
113
114 /* CW Value */
115 #define DM1105_ODD                              0x50
116 #define DM1105_EVEN                             0x58
117
118 /* PID Value */
119 #define DM1105_PID                              0x60
120
121 /* IR Control */
122 #define DM1105_IRCTR                            0x64
123 #define DM1105_IRMODE                           0x68
124 #define DM1105_SYSTEMCODE                       0x6c
125 #define DM1105_IRCODE                           0x70
126
127 /* Unknown Values */
128 #define DM1105_ENCRYPT                          0x74
129 #define DM1105_VER                              0x7c
130
131 /* I2C Interface */
132 #define DM1105_I2CCTR                           0x80
133 #define DM1105_I2CSTS                           0x81
134 #define DM1105_I2CDAT                           0x82
135 #define DM1105_I2C_RA                           0x83
136 /* ----------------------------------------------- */
137 /* Interrupt Mask Bits */
138
139 #define INTMAK_TSIRQM                           0x01
140 #define INTMAK_HIRQM                            0x04
141 #define INTMAK_IRM                              0x08
142 #define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
143                                                 INTMAK_HIRQM | \
144                                                 INTMAK_IRM)
145 #define INTMAK_NONEMASK                         0x00
146
147 /* Interrupt Status Bits */
148 #define INTSTS_TSIRQ                            0x01
149 #define INTSTS_HIRQ                             0x04
150 #define INTSTS_IR                               0x08
151
152 /* IR Control Bits */
153 #define DM1105_IR_EN                            0x01
154 #define DM1105_SYS_CHK                          0x02
155 #define DM1105_REP_FLG                          0x08
156
157 /* EEPROM addr */
158 #define IIC_24C01_addr                          0xa0
159 /* Max board count */
160 #define DM1105_MAX                              0x04
161
162 #define DRIVER_NAME                             "dm1105"
163 #define DM1105_I2C_GPIO_NAME                    "dm1105-gpio"
164
165 #define DM1105_DMA_PACKETS                      47
166 #define DM1105_DMA_PACKET_LENGTH                (128*4)
167 #define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
168
169 /*  */
170 #define GPIO08                                  (1 << 8)
171 #define GPIO13                                  (1 << 13)
172 #define GPIO14                                  (1 << 14)
173 #define GPIO15                                  (1 << 15)
174 #define GPIO16                                  (1 << 16)
175 #define GPIO17                                  (1 << 17)
176 #define GPIO_ALL                                0x03ffff
177
178 /* GPIO's for LNB power control */
179 #define DM1105_LNB_MASK                         (GPIO_ALL & ~(GPIO14 | GPIO13))
180 #define DM1105_LNB_OFF                          GPIO17
181 #define DM1105_LNB_13V                          (GPIO16 | GPIO08)
182 #define DM1105_LNB_18V                          GPIO08
183
184 /* GPIO's for LNB power control for Axess DM05 */
185 #define DM05_LNB_MASK                           (GPIO_ALL & ~(GPIO14 | GPIO13))
186 #define DM05_LNB_OFF                            GPIO17/* actually 13v */
187 #define DM05_LNB_13V                            GPIO17
188 #define DM05_LNB_18V                            (GPIO17 | GPIO16)
189
190 /* GPIO's for LNB power control for unbranded with I2C on GPIO */
191 #define UNBR_LNB_MASK                           (GPIO17 | GPIO16)
192 #define UNBR_LNB_OFF                            0
193 #define UNBR_LNB_13V                            GPIO17
194 #define UNBR_LNB_18V                            (GPIO17 | GPIO16)
195
196 static unsigned int card[]  = {[0 ... 3] = UNSET };
197 module_param_array(card,  int, NULL, 0444);
198 MODULE_PARM_DESC(card, "card type");
199
200 static int ir_debug;
201 module_param(ir_debug, int, 0644);
202 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
203
204 static unsigned int dm1105_devcount;
205
206 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
207
208 struct dm1105_board {
209         char    *name;
210         struct  {
211                 u32     mask, off, v13, v18;
212         } lnb;
213         u32     gpio_scl, gpio_sda;
214 };
215
216 struct dm1105_subid {
217         u16     subvendor;
218         u16     subdevice;
219         u32     card;
220 };
221
222 static const struct dm1105_board dm1105_boards[] = {
223         [DM1105_BOARD_UNKNOWN] = {
224                 .name           = "UNKNOWN/GENERIC",
225                 .lnb = {
226                         .mask = DM1105_LNB_MASK,
227                         .off = DM1105_LNB_OFF,
228                         .v13 = DM1105_LNB_13V,
229                         .v18 = DM1105_LNB_18V,
230                 },
231         },
232         [DM1105_BOARD_DVBWORLD_2002] = {
233                 .name           = "DVBWorld PCI 2002",
234                 .lnb = {
235                         .mask = DM1105_LNB_MASK,
236                         .off = DM1105_LNB_OFF,
237                         .v13 = DM1105_LNB_13V,
238                         .v18 = DM1105_LNB_18V,
239                 },
240         },
241         [DM1105_BOARD_DVBWORLD_2004] = {
242                 .name           = "DVBWorld PCI 2004",
243                 .lnb = {
244                         .mask = DM1105_LNB_MASK,
245                         .off = DM1105_LNB_OFF,
246                         .v13 = DM1105_LNB_13V,
247                         .v18 = DM1105_LNB_18V,
248                 },
249         },
250         [DM1105_BOARD_AXESS_DM05] = {
251                 .name           = "Axess/EasyTv DM05",
252                 .lnb = {
253                         .mask = DM05_LNB_MASK,
254                         .off = DM05_LNB_OFF,
255                         .v13 = DM05_LNB_13V,
256                         .v18 = DM05_LNB_18V,
257                 },
258         },
259         [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
260                 .name           = "Unbranded DM1105 with i2c on GPIOs",
261                 .lnb = {
262                         .mask = UNBR_LNB_MASK,
263                         .off = UNBR_LNB_OFF,
264                         .v13 = UNBR_LNB_13V,
265                         .v18 = UNBR_LNB_18V,
266                 },
267                 .gpio_scl       = GPIO14,
268                 .gpio_sda       = GPIO13,
269         },
270 };
271
272 static const struct dm1105_subid dm1105_subids[] = {
273         {
274                 .subvendor = 0x0000,
275                 .subdevice = 0x2002,
276                 .card      = DM1105_BOARD_DVBWORLD_2002,
277         }, {
278                 .subvendor = 0x0001,
279                 .subdevice = 0x2002,
280                 .card      = DM1105_BOARD_DVBWORLD_2002,
281         }, {
282                 .subvendor = 0x0000,
283                 .subdevice = 0x2004,
284                 .card      = DM1105_BOARD_DVBWORLD_2004,
285         }, {
286                 .subvendor = 0x0001,
287                 .subdevice = 0x2004,
288                 .card      = DM1105_BOARD_DVBWORLD_2004,
289         }, {
290                 .subvendor = 0x195d,
291                 .subdevice = 0x1105,
292                 .card      = DM1105_BOARD_AXESS_DM05,
293         },
294 };
295
296 static void dm1105_card_list(struct pci_dev *pci)
297 {
298         int i;
299
300         if (0 == pci->subsystem_vendor &&
301                         0 == pci->subsystem_device) {
302                 printk(KERN_ERR
303                         "dm1105: Your board has no valid PCI Subsystem ID\n"
304                         "dm1105: and thus can't be autodetected\n"
305                         "dm1105: Please pass card=<n> insmod option to\n"
306                         "dm1105: workaround that.  Redirect complaints to\n"
307                         "dm1105: the vendor of the TV card.  Best regards,\n"
308                         "dm1105: -- tux\n");
309         } else {
310                 printk(KERN_ERR
311                         "dm1105: Your board isn't known (yet) to the driver.\n"
312                         "dm1105: You can try to pick one of the existing\n"
313                         "dm1105: card configs via card=<n> insmod option.\n"
314                         "dm1105: Updating to the latest version might help\n"
315                         "dm1105: as well.\n");
316         }
317         printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
318                    "insmod option:\n");
319         for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
320                 printk(KERN_ERR "dm1105:    card=%d -> %s\n",
321                                 i, dm1105_boards[i].name);
322 }
323
324 /* infrared remote control */
325 struct infrared {
326         struct rc_dev           *dev;
327         char                    input_phys[32];
328         struct work_struct      work;
329         u32                     ir_command;
330 };
331
332 struct dm1105_dev {
333         /* pci */
334         struct pci_dev *pdev;
335         u8 __iomem *io_mem;
336
337         /* ir */
338         struct infrared ir;
339
340         /* dvb */
341         struct dmx_frontend hw_frontend;
342         struct dmx_frontend mem_frontend;
343         struct dmxdev dmxdev;
344         struct dvb_adapter dvb_adapter;
345         struct dvb_demux demux;
346         struct dvb_frontend *fe;
347         struct dvb_net dvbnet;
348         unsigned int full_ts_users;
349         unsigned int boardnr;
350         int nr;
351
352         /* i2c */
353         struct i2c_adapter i2c_adap;
354         struct i2c_adapter i2c_bb_adap;
355         struct i2c_algo_bit_data i2c_bit;
356
357         /* irq */
358         struct work_struct work;
359         struct workqueue_struct *wq;
360         char wqn[16];
361
362         /* dma */
363         dma_addr_t dma_addr;
364         unsigned char *ts_buf;
365         u32 wrp;
366         u32 nextwrp;
367         u32 buffer_size;
368         unsigned int    PacketErrorCount;
369         unsigned int dmarst;
370         spinlock_t lock;
371 };
372
373 #define dm_io_mem(reg)  ((unsigned long)(&dev->io_mem[reg]))
374
375 #define dm_readb(reg)           inb(dm_io_mem(reg))
376 #define dm_writeb(reg, value)   outb((value), (dm_io_mem(reg)))
377
378 #define dm_readw(reg)           inw(dm_io_mem(reg))
379 #define dm_writew(reg, value)   outw((value), (dm_io_mem(reg)))
380
381 #define dm_readl(reg)           inl(dm_io_mem(reg))
382 #define dm_writel(reg, value)   outl((value), (dm_io_mem(reg)))
383
384 #define dm_andorl(reg, mask, value) \
385         outl((inl(dm_io_mem(reg)) & ~(mask)) |\
386                 ((value) & (mask)), (dm_io_mem(reg)))
387
388 #define dm_setl(reg, bit)       dm_andorl((reg), (bit), (bit))
389 #define dm_clearl(reg, bit)     dm_andorl((reg), (bit), 0)
390
391 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
392  so we can use only 3 GPIO's from GPIO15 to GPIO17.
393  Here I don't check whether HOST is enebled as it is not implemented yet.
394  */
395 static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
396 {
397         if (mask & 0xfffc0000)
398                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
399
400         if (mask & 0x0003ffff)
401                 dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
402
403 }
404
405 static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
406 {
407         if (mask & 0xfffc0000)
408                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
409
410         if (mask & 0x0003ffff)
411                 dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
412
413 }
414
415 static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
416 {
417         if (mask & 0xfffc0000)
418                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
419
420         if (mask & 0x0003ffff)
421                 dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
422
423 }
424
425 static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
426 {
427         if (mask & 0xfffc0000)
428                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
429
430         if (mask & 0x0003ffff)
431                 return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
432
433         return 0;
434 }
435
436 static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
437 {
438         if (mask & 0xfffc0000)
439                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
440
441         if ((mask & 0x0003ffff) && asoutput)
442                 dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
443         else if ((mask & 0x0003ffff) && !asoutput)
444                 dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
445
446 }
447
448 static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
449 {
450         if (state)
451                 dm1105_gpio_enable(dev, line, 0);
452         else {
453                 dm1105_gpio_enable(dev, line, 1);
454                 dm1105_gpio_clear(dev, line);
455         }
456 }
457
458 static void dm1105_setsda(void *data, int state)
459 {
460         struct dm1105_dev *dev = data;
461
462         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
463 }
464
465 static void dm1105_setscl(void *data, int state)
466 {
467         struct dm1105_dev *dev = data;
468
469         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
470 }
471
472 static int dm1105_getsda(void *data)
473 {
474         struct dm1105_dev *dev = data;
475
476         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
477                                                                         ? 1 : 0;
478 }
479
480 static int dm1105_getscl(void *data)
481 {
482         struct dm1105_dev *dev = data;
483
484         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
485                                                                         ? 1 : 0;
486 }
487
488 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
489                             struct i2c_msg *msgs, int num)
490 {
491         struct dm1105_dev *dev ;
492
493         int addr, rc, i, j, k, len, byte, data;
494         u8 status;
495
496         dev = i2c_adap->algo_data;
497         for (i = 0; i < num; i++) {
498                 dm_writeb(DM1105_I2CCTR, 0x00);
499                 if (msgs[i].flags & I2C_M_RD) {
500                         /* read bytes */
501                         addr  = msgs[i].addr << 1;
502                         addr |= 1;
503                         dm_writeb(DM1105_I2CDAT, addr);
504                         for (byte = 0; byte < msgs[i].len; byte++)
505                                 dm_writeb(DM1105_I2CDAT + byte + 1, 0);
506
507                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
508                         for (j = 0; j < 55; j++) {
509                                 mdelay(10);
510                                 status = dm_readb(DM1105_I2CSTS);
511                                 if ((status & 0xc0) == 0x40)
512                                         break;
513                         }
514                         if (j >= 55)
515                                 return -1;
516
517                         for (byte = 0; byte < msgs[i].len; byte++) {
518                                 rc = dm_readb(DM1105_I2CDAT + byte + 1);
519                                 if (rc < 0)
520                                         goto err;
521                                 msgs[i].buf[byte] = rc;
522                         }
523                 } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
524                         /* prepaired for cx24116 firmware */
525                         /* Write in small blocks */
526                         len = msgs[i].len - 1;
527                         k = 1;
528                         do {
529                                 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
530                                 dm_writeb(DM1105_I2CDAT + 1, 0xf7);
531                                 for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
532                                         data = msgs[i].buf[k + byte];
533                                         dm_writeb(DM1105_I2CDAT + byte + 2, data);
534                                 }
535                                 dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
536                                 for (j = 0; j < 25; j++) {
537                                         mdelay(10);
538                                         status = dm_readb(DM1105_I2CSTS);
539                                         if ((status & 0xc0) == 0x40)
540                                                 break;
541                                 }
542
543                                 if (j >= 25)
544                                         return -1;
545
546                                 k += 48;
547                                 len -= 48;
548                         } while (len > 0);
549                 } else {
550                         /* write bytes */
551                         dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
552                         for (byte = 0; byte < msgs[i].len; byte++) {
553                                 data = msgs[i].buf[byte];
554                                 dm_writeb(DM1105_I2CDAT + byte + 1, data);
555                         }
556                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
557                         for (j = 0; j < 25; j++) {
558                                 mdelay(10);
559                                 status = dm_readb(DM1105_I2CSTS);
560                                 if ((status & 0xc0) == 0x40)
561                                         break;
562                         }
563
564                         if (j >= 25)
565                                 return -1;
566                 }
567         }
568         return num;
569  err:
570         return rc;
571 }
572
573 static u32 functionality(struct i2c_adapter *adap)
574 {
575         return I2C_FUNC_I2C;
576 }
577
578 static struct i2c_algorithm dm1105_algo = {
579         .master_xfer   = dm1105_i2c_xfer,
580         .functionality = functionality,
581 };
582
583 static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
584 {
585         return container_of(feed->demux, struct dm1105_dev, demux);
586 }
587
588 static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
589 {
590         return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
591 }
592
593 static int dm1105_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
594 {
595         struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
596
597         dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
598         if (voltage == SEC_VOLTAGE_18)
599                 dm1105_gpio_andor(dev,
600                                 dm1105_boards[dev->boardnr].lnb.mask,
601                                 dm1105_boards[dev->boardnr].lnb.v18);
602         else if (voltage == SEC_VOLTAGE_13)
603                 dm1105_gpio_andor(dev,
604                                 dm1105_boards[dev->boardnr].lnb.mask,
605                                 dm1105_boards[dev->boardnr].lnb.v13);
606         else
607                 dm1105_gpio_andor(dev,
608                                 dm1105_boards[dev->boardnr].lnb.mask,
609                                 dm1105_boards[dev->boardnr].lnb.off);
610
611         return 0;
612 }
613
614 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
615 {
616         dm_writel(DM1105_STADR, cpu_to_le32(dev->dma_addr));
617 }
618
619 static int __devinit dm1105_dma_map(struct dm1105_dev *dev)
620 {
621         dev->ts_buf = pci_alloc_consistent(dev->pdev,
622                                         6 * DM1105_DMA_BYTES,
623                                         &dev->dma_addr);
624
625         return !dev->ts_buf;
626 }
627
628 static void dm1105_dma_unmap(struct dm1105_dev *dev)
629 {
630         pci_free_consistent(dev->pdev,
631                         6 * DM1105_DMA_BYTES,
632                         dev->ts_buf,
633                         dev->dma_addr);
634 }
635
636 static void dm1105_enable_irqs(struct dm1105_dev *dev)
637 {
638         dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
639         dm_writeb(DM1105_CR, 1);
640 }
641
642 static void dm1105_disable_irqs(struct dm1105_dev *dev)
643 {
644         dm_writeb(DM1105_INTMAK, INTMAK_IRM);
645         dm_writeb(DM1105_CR, 0);
646 }
647
648 static int dm1105_start_feed(struct dvb_demux_feed *f)
649 {
650         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
651
652         if (dev->full_ts_users++ == 0)
653                 dm1105_enable_irqs(dev);
654
655         return 0;
656 }
657
658 static int dm1105_stop_feed(struct dvb_demux_feed *f)
659 {
660         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
661
662         if (--dev->full_ts_users == 0)
663                 dm1105_disable_irqs(dev);
664
665         return 0;
666 }
667
668 /* ir work handler */
669 static void dm1105_emit_key(struct work_struct *work)
670 {
671         struct infrared *ir = container_of(work, struct infrared, work);
672         u32 ircom = ir->ir_command;
673         u8 data;
674
675         if (ir_debug)
676                 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
677
678         data = (ircom >> 8) & 0x7f;
679
680         rc_keydown(ir->dev, data, 0);
681 }
682
683 /* work handler */
684 static void dm1105_dmx_buffer(struct work_struct *work)
685 {
686         struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
687         unsigned int nbpackets;
688         u32 oldwrp = dev->wrp;
689         u32 nextwrp = dev->nextwrp;
690
691         if (!((dev->ts_buf[oldwrp] == 0x47) &&
692                         (dev->ts_buf[oldwrp + 188] == 0x47) &&
693                         (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
694                 dev->PacketErrorCount++;
695                 /* bad packet found */
696                 if ((dev->PacketErrorCount >= 2) &&
697                                 (dev->dmarst == 0)) {
698                         dm_writeb(DM1105_RST, 1);
699                         dev->wrp = 0;
700                         dev->PacketErrorCount = 0;
701                         dev->dmarst = 0;
702                         return;
703                 }
704         }
705
706         if (nextwrp < oldwrp) {
707                 memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
708                 nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
709         } else
710                 nbpackets = (nextwrp - oldwrp) / 188;
711
712         dev->wrp = nextwrp;
713         dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
714 }
715
716 static irqreturn_t dm1105_irq(int irq, void *dev_id)
717 {
718         struct dm1105_dev *dev = dev_id;
719
720         /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
721         unsigned int intsts = dm_readb(DM1105_INTSTS);
722         dm_writeb(DM1105_INTSTS, intsts);
723
724         switch (intsts) {
725         case INTSTS_TSIRQ:
726         case (INTSTS_TSIRQ | INTSTS_IR):
727                 dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
728                 queue_work(dev->wq, &dev->work);
729                 break;
730         case INTSTS_IR:
731                 dev->ir.ir_command = dm_readl(DM1105_IRCODE);
732                 schedule_work(&dev->ir.work);
733                 break;
734         }
735
736         return IRQ_HANDLED;
737 }
738
739 int __devinit dm1105_ir_init(struct dm1105_dev *dm1105)
740 {
741         struct rc_dev *dev;
742         int err = -ENOMEM;
743
744         dev = rc_allocate_device();
745         if (!dev)
746                 return -ENOMEM;
747
748         snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
749                 "pci-%s/ir0", pci_name(dm1105->pdev));
750
751         dev->driver_name = MODULE_NAME;
752         dev->map_name = RC_MAP_DM1105_NEC;
753         dev->driver_type = RC_DRIVER_SCANCODE;
754         dev->input_name = "DVB on-card IR receiver";
755         dev->input_phys = dm1105->ir.input_phys;
756         dev->input_id.bustype = BUS_PCI;
757         dev->input_id.version = 1;
758         if (dm1105->pdev->subsystem_vendor) {
759                 dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
760                 dev->input_id.product = dm1105->pdev->subsystem_device;
761         } else {
762                 dev->input_id.vendor = dm1105->pdev->vendor;
763                 dev->input_id.product = dm1105->pdev->device;
764         }
765         dev->dev.parent = &dm1105->pdev->dev;
766
767         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
768
769         err = rc_register_device(dev);
770         if (err < 0) {
771                 rc_free_device(dev);
772                 return err;
773         }
774
775         dm1105->ir.dev = dev;
776         return 0;
777 }
778
779 void __devexit dm1105_ir_exit(struct dm1105_dev *dm1105)
780 {
781         rc_unregister_device(dm1105->ir.dev);
782 }
783
784 static int __devinit dm1105_hw_init(struct dm1105_dev *dev)
785 {
786         dm1105_disable_irqs(dev);
787
788         dm_writeb(DM1105_HOST_CTR, 0);
789
790         /*DATALEN 188,*/
791         dm_writeb(DM1105_DTALENTH, 188);
792         /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
793         dm_writew(DM1105_TSCTR, 0xc10a);
794
795         /* map DMA and set address */
796         dm1105_dma_map(dev);
797         dm1105_set_dma_addr(dev);
798         /* big buffer */
799         dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
800         dm_writeb(DM1105_INTCNT, 47);
801
802         /* IR NEC mode enable */
803         dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
804         dm_writeb(DM1105_IRMODE, 0);
805         dm_writew(DM1105_SYSTEMCODE, 0);
806
807         return 0;
808 }
809
810 static void dm1105_hw_exit(struct dm1105_dev *dev)
811 {
812         dm1105_disable_irqs(dev);
813
814         /* IR disable */
815         dm_writeb(DM1105_IRCTR, 0);
816         dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
817
818         dm1105_dma_unmap(dev);
819 }
820
821 static struct stv0299_config sharp_z0194a_config = {
822         .demod_address = 0x68,
823         .inittab = sharp_z0194a_inittab,
824         .mclk = 88000000UL,
825         .invert = 1,
826         .skip_reinit = 0,
827         .lock_output = STV0299_LOCKOUTPUT_1,
828         .volt13_op0_op1 = STV0299_VOLT13_OP1,
829         .min_delay_ms = 100,
830         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
831 };
832
833 static struct stv0288_config earda_config = {
834         .demod_address = 0x68,
835         .min_delay_ms = 100,
836 };
837
838 static struct si21xx_config serit_config = {
839         .demod_address = 0x68,
840         .min_delay_ms = 100,
841
842 };
843
844 static struct cx24116_config serit_sp2633_config = {
845         .demod_address = 0x55,
846 };
847
848 static struct ds3000_config dvbworld_ds3000_config = {
849         .demod_address = 0x68,
850 };
851
852 static int __devinit frontend_init(struct dm1105_dev *dev)
853 {
854         int ret;
855
856         switch (dev->boardnr) {
857         case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
858                 dm1105_gpio_enable(dev, GPIO15, 1);
859                 dm1105_gpio_clear(dev, GPIO15);
860                 msleep(100);
861                 dm1105_gpio_set(dev, GPIO15);
862                 msleep(200);
863                 dev->fe = dvb_attach(
864                         stv0299_attach, &sharp_z0194a_config,
865                         &dev->i2c_bb_adap);
866                 if (dev->fe) {
867                         dev->fe->ops.set_voltage = dm1105_set_voltage;
868                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
869                                         &dev->i2c_bb_adap, DVB_PLL_OPERA1);
870                         break;
871                 }
872
873                 dev->fe = dvb_attach(
874                         stv0288_attach, &earda_config,
875                         &dev->i2c_bb_adap);
876                 if (dev->fe) {
877                         dev->fe->ops.set_voltage = dm1105_set_voltage;
878                         dvb_attach(stb6000_attach, dev->fe, 0x61,
879                                         &dev->i2c_bb_adap);
880                         break;
881                 }
882
883                 dev->fe = dvb_attach(
884                         si21xx_attach, &serit_config,
885                         &dev->i2c_bb_adap);
886                 if (dev->fe)
887                         dev->fe->ops.set_voltage = dm1105_set_voltage;
888                 break;
889         case DM1105_BOARD_DVBWORLD_2004:
890                 dev->fe = dvb_attach(
891                         cx24116_attach, &serit_sp2633_config,
892                         &dev->i2c_adap);
893                 if (dev->fe) {
894                         dev->fe->ops.set_voltage = dm1105_set_voltage;
895                         break;
896                 }
897
898                 dev->fe = dvb_attach(
899                         ds3000_attach, &dvbworld_ds3000_config,
900                         &dev->i2c_adap);
901                 if (dev->fe)
902                         dev->fe->ops.set_voltage = dm1105_set_voltage;
903
904                 break;
905         case DM1105_BOARD_DVBWORLD_2002:
906         case DM1105_BOARD_AXESS_DM05:
907         default:
908                 dev->fe = dvb_attach(
909                         stv0299_attach, &sharp_z0194a_config,
910                         &dev->i2c_adap);
911                 if (dev->fe) {
912                         dev->fe->ops.set_voltage = dm1105_set_voltage;
913                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
914                                         &dev->i2c_adap, DVB_PLL_OPERA1);
915                         break;
916                 }
917
918                 dev->fe = dvb_attach(
919                         stv0288_attach, &earda_config,
920                         &dev->i2c_adap);
921                 if (dev->fe) {
922                         dev->fe->ops.set_voltage = dm1105_set_voltage;
923                         dvb_attach(stb6000_attach, dev->fe, 0x61,
924                                         &dev->i2c_adap);
925                         break;
926                 }
927
928                 dev->fe = dvb_attach(
929                         si21xx_attach, &serit_config,
930                         &dev->i2c_adap);
931                 if (dev->fe)
932                         dev->fe->ops.set_voltage = dm1105_set_voltage;
933
934         }
935
936         if (!dev->fe) {
937                 dev_err(&dev->pdev->dev, "could not attach frontend\n");
938                 return -ENODEV;
939         }
940
941         ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
942         if (ret < 0) {
943                 if (dev->fe->ops.release)
944                         dev->fe->ops.release(dev->fe);
945                 dev->fe = NULL;
946                 return ret;
947         }
948
949         return 0;
950 }
951
952 static void __devinit dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
953 {
954         static u8 command[1] = { 0x28 };
955
956         struct i2c_msg msg[] = {
957                 {
958                         .addr = IIC_24C01_addr >> 1,
959                         .flags = 0,
960                         .buf = command,
961                         .len = 1
962                 }, {
963                         .addr = IIC_24C01_addr >> 1,
964                         .flags = I2C_M_RD,
965                         .buf = mac,
966                         .len = 6
967                 },
968         };
969
970         dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
971         dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
972 }
973
974 static int __devinit dm1105_probe(struct pci_dev *pdev,
975                                   const struct pci_device_id *ent)
976 {
977         struct dm1105_dev *dev;
978         struct dvb_adapter *dvb_adapter;
979         struct dvb_demux *dvbdemux;
980         struct dmx_demux *dmx;
981         int ret = -ENOMEM;
982         int i;
983
984         dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
985         if (!dev)
986                 return -ENOMEM;
987
988         /* board config */
989         dev->nr = dm1105_devcount;
990         dev->boardnr = UNSET;
991         if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
992                 dev->boardnr = card[dev->nr];
993         for (i = 0; UNSET == dev->boardnr &&
994                                 i < ARRAY_SIZE(dm1105_subids); i++)
995                 if (pdev->subsystem_vendor ==
996                         dm1105_subids[i].subvendor &&
997                                 pdev->subsystem_device ==
998                                         dm1105_subids[i].subdevice)
999                         dev->boardnr = dm1105_subids[i].card;
1000
1001         if (UNSET == dev->boardnr) {
1002                 dev->boardnr = DM1105_BOARD_UNKNOWN;
1003                 dm1105_card_list(pdev);
1004         }
1005
1006         dm1105_devcount++;
1007         dev->pdev = pdev;
1008         dev->buffer_size = 5 * DM1105_DMA_BYTES;
1009         dev->PacketErrorCount = 0;
1010         dev->dmarst = 0;
1011
1012         ret = pci_enable_device(pdev);
1013         if (ret < 0)
1014                 goto err_kfree;
1015
1016         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1017         if (ret < 0)
1018                 goto err_pci_disable_device;
1019
1020         pci_set_master(pdev);
1021
1022         ret = pci_request_regions(pdev, DRIVER_NAME);
1023         if (ret < 0)
1024                 goto err_pci_disable_device;
1025
1026         dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1027         if (!dev->io_mem) {
1028                 ret = -EIO;
1029                 goto err_pci_release_regions;
1030         }
1031
1032         spin_lock_init(&dev->lock);
1033         pci_set_drvdata(pdev, dev);
1034
1035         ret = dm1105_hw_init(dev);
1036         if (ret < 0)
1037                 goto err_pci_iounmap;
1038
1039         /* i2c */
1040         i2c_set_adapdata(&dev->i2c_adap, dev);
1041         strcpy(dev->i2c_adap.name, DRIVER_NAME);
1042         dev->i2c_adap.owner = THIS_MODULE;
1043         dev->i2c_adap.dev.parent = &pdev->dev;
1044         dev->i2c_adap.algo = &dm1105_algo;
1045         dev->i2c_adap.algo_data = dev;
1046         ret = i2c_add_adapter(&dev->i2c_adap);
1047
1048         if (ret < 0)
1049                 goto err_dm1105_hw_exit;
1050
1051         i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1052         strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1053         dev->i2c_bb_adap.owner = THIS_MODULE;
1054         dev->i2c_bb_adap.dev.parent = &pdev->dev;
1055         dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1056         dev->i2c_bit.data = dev;
1057         dev->i2c_bit.setsda = dm1105_setsda;
1058         dev->i2c_bit.setscl = dm1105_setscl;
1059         dev->i2c_bit.getsda = dm1105_getsda;
1060         dev->i2c_bit.getscl = dm1105_getscl;
1061         dev->i2c_bit.udelay = 10;
1062         dev->i2c_bit.timeout = 10;
1063
1064         /* Raise SCL and SDA */
1065         dm1105_setsda(dev, 1);
1066         dm1105_setscl(dev, 1);
1067
1068         ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1069         if (ret < 0)
1070                 goto err_i2c_del_adapter;
1071
1072         /* dvb */
1073         ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1074                                         THIS_MODULE, &pdev->dev, adapter_nr);
1075         if (ret < 0)
1076                 goto err_i2c_del_adapters;
1077
1078         dvb_adapter = &dev->dvb_adapter;
1079
1080         dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1081
1082         dvbdemux = &dev->demux;
1083         dvbdemux->filternum = 256;
1084         dvbdemux->feednum = 256;
1085         dvbdemux->start_feed = dm1105_start_feed;
1086         dvbdemux->stop_feed = dm1105_stop_feed;
1087         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1088                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1089         ret = dvb_dmx_init(dvbdemux);
1090         if (ret < 0)
1091                 goto err_dvb_unregister_adapter;
1092
1093         dmx = &dvbdemux->dmx;
1094         dev->dmxdev.filternum = 256;
1095         dev->dmxdev.demux = dmx;
1096         dev->dmxdev.capabilities = 0;
1097
1098         ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1099         if (ret < 0)
1100                 goto err_dvb_dmx_release;
1101
1102         dev->hw_frontend.source = DMX_FRONTEND_0;
1103
1104         ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1105         if (ret < 0)
1106                 goto err_dvb_dmxdev_release;
1107
1108         dev->mem_frontend.source = DMX_MEMORY_FE;
1109
1110         ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1111         if (ret < 0)
1112                 goto err_remove_hw_frontend;
1113
1114         ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1115         if (ret < 0)
1116                 goto err_remove_mem_frontend;
1117
1118         ret = frontend_init(dev);
1119         if (ret < 0)
1120                 goto err_disconnect_frontend;
1121
1122         dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1123         dm1105_ir_init(dev);
1124
1125         INIT_WORK(&dev->work, dm1105_dmx_buffer);
1126         sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1127         dev->wq = create_singlethread_workqueue(dev->wqn);
1128         if (!dev->wq)
1129                 goto err_dvb_net;
1130
1131         ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1132                                                 DRIVER_NAME, dev);
1133         if (ret < 0)
1134                 goto err_workqueue;
1135
1136         return 0;
1137
1138 err_workqueue:
1139         destroy_workqueue(dev->wq);
1140 err_dvb_net:
1141         dvb_net_release(&dev->dvbnet);
1142 err_disconnect_frontend:
1143         dmx->disconnect_frontend(dmx);
1144 err_remove_mem_frontend:
1145         dmx->remove_frontend(dmx, &dev->mem_frontend);
1146 err_remove_hw_frontend:
1147         dmx->remove_frontend(dmx, &dev->hw_frontend);
1148 err_dvb_dmxdev_release:
1149         dvb_dmxdev_release(&dev->dmxdev);
1150 err_dvb_dmx_release:
1151         dvb_dmx_release(dvbdemux);
1152 err_dvb_unregister_adapter:
1153         dvb_unregister_adapter(dvb_adapter);
1154 err_i2c_del_adapters:
1155         i2c_del_adapter(&dev->i2c_bb_adap);
1156 err_i2c_del_adapter:
1157         i2c_del_adapter(&dev->i2c_adap);
1158 err_dm1105_hw_exit:
1159         dm1105_hw_exit(dev);
1160 err_pci_iounmap:
1161         pci_iounmap(pdev, dev->io_mem);
1162 err_pci_release_regions:
1163         pci_release_regions(pdev);
1164 err_pci_disable_device:
1165         pci_disable_device(pdev);
1166 err_kfree:
1167         pci_set_drvdata(pdev, NULL);
1168         kfree(dev);
1169         return ret;
1170 }
1171
1172 static void __devexit dm1105_remove(struct pci_dev *pdev)
1173 {
1174         struct dm1105_dev *dev = pci_get_drvdata(pdev);
1175         struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1176         struct dvb_demux *dvbdemux = &dev->demux;
1177         struct dmx_demux *dmx = &dvbdemux->dmx;
1178
1179         dm1105_ir_exit(dev);
1180         dmx->close(dmx);
1181         dvb_net_release(&dev->dvbnet);
1182         if (dev->fe)
1183                 dvb_unregister_frontend(dev->fe);
1184
1185         dmx->disconnect_frontend(dmx);
1186         dmx->remove_frontend(dmx, &dev->mem_frontend);
1187         dmx->remove_frontend(dmx, &dev->hw_frontend);
1188         dvb_dmxdev_release(&dev->dmxdev);
1189         dvb_dmx_release(dvbdemux);
1190         dvb_unregister_adapter(dvb_adapter);
1191         if (&dev->i2c_adap)
1192                 i2c_del_adapter(&dev->i2c_adap);
1193
1194         dm1105_hw_exit(dev);
1195         synchronize_irq(pdev->irq);
1196         free_irq(pdev->irq, dev);
1197         pci_iounmap(pdev, dev->io_mem);
1198         pci_release_regions(pdev);
1199         pci_disable_device(pdev);
1200         pci_set_drvdata(pdev, NULL);
1201         dm1105_devcount--;
1202         kfree(dev);
1203 }
1204
1205 static struct pci_device_id dm1105_id_table[] __devinitdata = {
1206         {
1207                 .vendor = PCI_VENDOR_ID_TRIGEM,
1208                 .device = PCI_DEVICE_ID_DM1105,
1209                 .subvendor = PCI_ANY_ID,
1210                 .subdevice = PCI_ANY_ID,
1211         }, {
1212                 .vendor = PCI_VENDOR_ID_AXESS,
1213                 .device = PCI_DEVICE_ID_DM05,
1214                 .subvendor = PCI_ANY_ID,
1215                 .subdevice = PCI_ANY_ID,
1216         }, {
1217                 /* empty */
1218         },
1219 };
1220
1221 MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1222
1223 static struct pci_driver dm1105_driver = {
1224         .name = DRIVER_NAME,
1225         .id_table = dm1105_id_table,
1226         .probe = dm1105_probe,
1227         .remove = __devexit_p(dm1105_remove),
1228 };
1229
1230 static int __init dm1105_init(void)
1231 {
1232         return pci_register_driver(&dm1105_driver);
1233 }
1234
1235 static void __exit dm1105_exit(void)
1236 {
1237         pci_unregister_driver(&dm1105_driver);
1238 }
1239
1240 module_init(dm1105_init);
1241 module_exit(dm1105_exit);
1242
1243 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1244 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1245 MODULE_LICENSE("GPL");