media: delete unused proc_fs.h include
[sfrench/cifs-2.6.git] / drivers / media / pci / dm1105 / dm1105.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip
4  *
5  * Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
6  */
7
8 #include <linux/i2c.h>
9 #include <linux/i2c-algo-bit.h>
10 #include <linux/init.h>
11 #include <linux/interrupt.h>
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/pci.h>
15 #include <linux/dma-mapping.h>
16 #include <linux/slab.h>
17 #include <media/rc-core.h>
18
19 #include <media/demux.h>
20 #include <media/dmxdev.h>
21 #include <media/dvb_demux.h>
22 #include <media/dvb_frontend.h>
23 #include <media/dvb_net.h>
24 #include <media/dvbdev.h>
25 #include "dvb-pll.h"
26
27 #include "stv0299.h"
28 #include "stv0288.h"
29 #include "stb6000.h"
30 #include "si21xx.h"
31 #include "cx24116.h"
32 #include "z0194a.h"
33 #include "ts2020.h"
34 #include "ds3000.h"
35
36 #define MODULE_NAME "dm1105"
37
38 #define UNSET (-1U)
39
40 #define DM1105_BOARD_NOAUTO                     UNSET
41 #define DM1105_BOARD_UNKNOWN                    0
42 #define DM1105_BOARD_DVBWORLD_2002              1
43 #define DM1105_BOARD_DVBWORLD_2004              2
44 #define DM1105_BOARD_AXESS_DM05                 3
45 #define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO      4
46
47 /* ----------------------------------------------- */
48 /*
49  * PCI ID's
50  */
51 #ifndef PCI_VENDOR_ID_TRIGEM
52 #define PCI_VENDOR_ID_TRIGEM    0x109f
53 #endif
54 #ifndef PCI_VENDOR_ID_AXESS
55 #define PCI_VENDOR_ID_AXESS     0x195d
56 #endif
57 #ifndef PCI_DEVICE_ID_DM1105
58 #define PCI_DEVICE_ID_DM1105    0x036f
59 #endif
60 #ifndef PCI_DEVICE_ID_DW2002
61 #define PCI_DEVICE_ID_DW2002    0x2002
62 #endif
63 #ifndef PCI_DEVICE_ID_DW2004
64 #define PCI_DEVICE_ID_DW2004    0x2004
65 #endif
66 #ifndef PCI_DEVICE_ID_DM05
67 #define PCI_DEVICE_ID_DM05      0x1105
68 #endif
69 /* ----------------------------------------------- */
70 /* sdmc dm1105 registers */
71
72 /* TS Control */
73 #define DM1105_TSCTR                            0x00
74 #define DM1105_DTALENTH                         0x04
75
76 /* GPIO Interface */
77 #define DM1105_GPIOVAL                          0x08
78 #define DM1105_GPIOCTR                          0x0c
79
80 /* PID serial number */
81 #define DM1105_PIDN                             0x10
82
83 /* Odd-even secret key select */
84 #define DM1105_CWSEL                            0x14
85
86 /* Host Command Interface */
87 #define DM1105_HOST_CTR                         0x18
88 #define DM1105_HOST_AD                          0x1c
89
90 /* PCI Interface */
91 #define DM1105_CR                               0x30
92 #define DM1105_RST                              0x34
93 #define DM1105_STADR                            0x38
94 #define DM1105_RLEN                             0x3c
95 #define DM1105_WRP                              0x40
96 #define DM1105_INTCNT                           0x44
97 #define DM1105_INTMAK                           0x48
98 #define DM1105_INTSTS                           0x4c
99
100 /* CW Value */
101 #define DM1105_ODD                              0x50
102 #define DM1105_EVEN                             0x58
103
104 /* PID Value */
105 #define DM1105_PID                              0x60
106
107 /* IR Control */
108 #define DM1105_IRCTR                            0x64
109 #define DM1105_IRMODE                           0x68
110 #define DM1105_SYSTEMCODE                       0x6c
111 #define DM1105_IRCODE                           0x70
112
113 /* Unknown Values */
114 #define DM1105_ENCRYPT                          0x74
115 #define DM1105_VER                              0x7c
116
117 /* I2C Interface */
118 #define DM1105_I2CCTR                           0x80
119 #define DM1105_I2CSTS                           0x81
120 #define DM1105_I2CDAT                           0x82
121 #define DM1105_I2C_RA                           0x83
122 /* ----------------------------------------------- */
123 /* Interrupt Mask Bits */
124
125 #define INTMAK_TSIRQM                           0x01
126 #define INTMAK_HIRQM                            0x04
127 #define INTMAK_IRM                              0x08
128 #define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
129                                                 INTMAK_HIRQM | \
130                                                 INTMAK_IRM)
131 #define INTMAK_NONEMASK                         0x00
132
133 /* Interrupt Status Bits */
134 #define INTSTS_TSIRQ                            0x01
135 #define INTSTS_HIRQ                             0x04
136 #define INTSTS_IR                               0x08
137
138 /* IR Control Bits */
139 #define DM1105_IR_EN                            0x01
140 #define DM1105_SYS_CHK                          0x02
141 #define DM1105_REP_FLG                          0x08
142
143 /* EEPROM addr */
144 #define IIC_24C01_addr                          0xa0
145 /* Max board count */
146 #define DM1105_MAX                              0x04
147
148 #define DRIVER_NAME                             "dm1105"
149 #define DM1105_I2C_GPIO_NAME                    "dm1105-gpio"
150
151 #define DM1105_DMA_PACKETS                      47
152 #define DM1105_DMA_PACKET_LENGTH                (128*4)
153 #define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
154
155 /*  */
156 #define GPIO08                                  (1 << 8)
157 #define GPIO13                                  (1 << 13)
158 #define GPIO14                                  (1 << 14)
159 #define GPIO15                                  (1 << 15)
160 #define GPIO16                                  (1 << 16)
161 #define GPIO17                                  (1 << 17)
162 #define GPIO_ALL                                0x03ffff
163
164 /* GPIO's for LNB power control */
165 #define DM1105_LNB_MASK                         (GPIO_ALL & ~(GPIO14 | GPIO13))
166 #define DM1105_LNB_OFF                          GPIO17
167 #define DM1105_LNB_13V                          (GPIO16 | GPIO08)
168 #define DM1105_LNB_18V                          GPIO08
169
170 /* GPIO's for LNB power control for Axess DM05 */
171 #define DM05_LNB_MASK                           (GPIO_ALL & ~(GPIO14 | GPIO13))
172 #define DM05_LNB_OFF                            GPIO17/* actually 13v */
173 #define DM05_LNB_13V                            GPIO17
174 #define DM05_LNB_18V                            (GPIO17 | GPIO16)
175
176 /* GPIO's for LNB power control for unbranded with I2C on GPIO */
177 #define UNBR_LNB_MASK                           (GPIO17 | GPIO16)
178 #define UNBR_LNB_OFF                            0
179 #define UNBR_LNB_13V                            GPIO17
180 #define UNBR_LNB_18V                            (GPIO17 | GPIO16)
181
182 static unsigned int card[]  = {[0 ... 3] = UNSET };
183 module_param_array(card,  int, NULL, 0444);
184 MODULE_PARM_DESC(card, "card type");
185
186 static int ir_debug;
187 module_param(ir_debug, int, 0644);
188 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
189
190 static unsigned int dm1105_devcount;
191
192 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
193
194 struct dm1105_board {
195         char    *name;
196         struct  {
197                 u32     mask, off, v13, v18;
198         } lnb;
199         u32     gpio_scl, gpio_sda;
200 };
201
202 struct dm1105_subid {
203         u16     subvendor;
204         u16     subdevice;
205         u32     card;
206 };
207
208 static const struct dm1105_board dm1105_boards[] = {
209         [DM1105_BOARD_UNKNOWN] = {
210                 .name           = "UNKNOWN/GENERIC",
211                 .lnb = {
212                         .mask = DM1105_LNB_MASK,
213                         .off = DM1105_LNB_OFF,
214                         .v13 = DM1105_LNB_13V,
215                         .v18 = DM1105_LNB_18V,
216                 },
217         },
218         [DM1105_BOARD_DVBWORLD_2002] = {
219                 .name           = "DVBWorld PCI 2002",
220                 .lnb = {
221                         .mask = DM1105_LNB_MASK,
222                         .off = DM1105_LNB_OFF,
223                         .v13 = DM1105_LNB_13V,
224                         .v18 = DM1105_LNB_18V,
225                 },
226         },
227         [DM1105_BOARD_DVBWORLD_2004] = {
228                 .name           = "DVBWorld PCI 2004",
229                 .lnb = {
230                         .mask = DM1105_LNB_MASK,
231                         .off = DM1105_LNB_OFF,
232                         .v13 = DM1105_LNB_13V,
233                         .v18 = DM1105_LNB_18V,
234                 },
235         },
236         [DM1105_BOARD_AXESS_DM05] = {
237                 .name           = "Axess/EasyTv DM05",
238                 .lnb = {
239                         .mask = DM05_LNB_MASK,
240                         .off = DM05_LNB_OFF,
241                         .v13 = DM05_LNB_13V,
242                         .v18 = DM05_LNB_18V,
243                 },
244         },
245         [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
246                 .name           = "Unbranded DM1105 with i2c on GPIOs",
247                 .lnb = {
248                         .mask = UNBR_LNB_MASK,
249                         .off = UNBR_LNB_OFF,
250                         .v13 = UNBR_LNB_13V,
251                         .v18 = UNBR_LNB_18V,
252                 },
253                 .gpio_scl       = GPIO14,
254                 .gpio_sda       = GPIO13,
255         },
256 };
257
258 static const struct dm1105_subid dm1105_subids[] = {
259         {
260                 .subvendor = 0x0000,
261                 .subdevice = 0x2002,
262                 .card      = DM1105_BOARD_DVBWORLD_2002,
263         }, {
264                 .subvendor = 0x0001,
265                 .subdevice = 0x2002,
266                 .card      = DM1105_BOARD_DVBWORLD_2002,
267         }, {
268                 .subvendor = 0x0000,
269                 .subdevice = 0x2004,
270                 .card      = DM1105_BOARD_DVBWORLD_2004,
271         }, {
272                 .subvendor = 0x0001,
273                 .subdevice = 0x2004,
274                 .card      = DM1105_BOARD_DVBWORLD_2004,
275         }, {
276                 .subvendor = 0x195d,
277                 .subdevice = 0x1105,
278                 .card      = DM1105_BOARD_AXESS_DM05,
279         },
280 };
281
282 static void dm1105_card_list(struct pci_dev *pci)
283 {
284         int i;
285
286         if (0 == pci->subsystem_vendor &&
287                         0 == pci->subsystem_device) {
288                 printk(KERN_ERR
289                         "dm1105: Your board has no valid PCI Subsystem ID\n"
290                         "dm1105: and thus can't be autodetected\n"
291                         "dm1105: Please pass card=<n> insmod option to\n"
292                         "dm1105: workaround that.  Redirect complaints to\n"
293                         "dm1105: the vendor of the TV card.  Best regards,\n"
294                         "dm1105: -- tux\n");
295         } else {
296                 printk(KERN_ERR
297                         "dm1105: Your board isn't known (yet) to the driver.\n"
298                         "dm1105: You can try to pick one of the existing\n"
299                         "dm1105: card configs via card=<n> insmod option.\n"
300                         "dm1105: Updating to the latest version might help\n"
301                         "dm1105: as well.\n");
302         }
303         printk(KERN_ERR "Here is a list of valid choices for the card=<n> insmod option:\n");
304         for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
305                 printk(KERN_ERR "dm1105:    card=%d -> %s\n",
306                                 i, dm1105_boards[i].name);
307 }
308
309 /* infrared remote control */
310 struct infrared {
311         struct rc_dev           *dev;
312         char                    input_phys[32];
313         struct work_struct      work;
314         u32                     ir_command;
315 };
316
317 struct dm1105_dev {
318         /* pci */
319         struct pci_dev *pdev;
320         u8 __iomem *io_mem;
321
322         /* ir */
323         struct infrared ir;
324
325         /* dvb */
326         struct dmx_frontend hw_frontend;
327         struct dmx_frontend mem_frontend;
328         struct dmxdev dmxdev;
329         struct dvb_adapter dvb_adapter;
330         struct dvb_demux demux;
331         struct dvb_frontend *fe;
332         struct dvb_net dvbnet;
333         unsigned int full_ts_users;
334         unsigned int boardnr;
335         int nr;
336
337         /* i2c */
338         struct i2c_adapter i2c_adap;
339         struct i2c_adapter i2c_bb_adap;
340         struct i2c_algo_bit_data i2c_bit;
341
342         /* irq */
343         struct work_struct work;
344         struct workqueue_struct *wq;
345         char wqn[16];
346
347         /* dma */
348         dma_addr_t dma_addr;
349         unsigned char *ts_buf;
350         u32 wrp;
351         u32 nextwrp;
352         u32 buffer_size;
353         unsigned int    PacketErrorCount;
354         unsigned int dmarst;
355         spinlock_t lock;
356 };
357
358 #define dm_io_mem(reg)  ((unsigned long)(&dev->io_mem[reg]))
359
360 #define dm_readb(reg)           inb(dm_io_mem(reg))
361 #define dm_writeb(reg, value)   outb((value), (dm_io_mem(reg)))
362
363 #define dm_readw(reg)           inw(dm_io_mem(reg))
364 #define dm_writew(reg, value)   outw((value), (dm_io_mem(reg)))
365
366 #define dm_readl(reg)           inl(dm_io_mem(reg))
367 #define dm_writel(reg, value)   outl((value), (dm_io_mem(reg)))
368
369 #define dm_andorl(reg, mask, value) \
370         outl((inl(dm_io_mem(reg)) & ~(mask)) |\
371                 ((value) & (mask)), (dm_io_mem(reg)))
372
373 #define dm_setl(reg, bit)       dm_andorl((reg), (bit), (bit))
374 #define dm_clearl(reg, bit)     dm_andorl((reg), (bit), 0)
375
376 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
377  so we can use only 3 GPIO's from GPIO15 to GPIO17.
378  Here I don't check whether HOST is enebled as it is not implemented yet.
379  */
380 static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
381 {
382         if (mask & 0xfffc0000)
383                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
384
385         if (mask & 0x0003ffff)
386                 dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
387
388 }
389
390 static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
391 {
392         if (mask & 0xfffc0000)
393                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
394
395         if (mask & 0x0003ffff)
396                 dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
397
398 }
399
400 static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
401 {
402         if (mask & 0xfffc0000)
403                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
404
405         if (mask & 0x0003ffff)
406                 dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
407
408 }
409
410 static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
411 {
412         if (mask & 0xfffc0000)
413                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
414
415         if (mask & 0x0003ffff)
416                 return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
417
418         return 0;
419 }
420
421 static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
422 {
423         if (mask & 0xfffc0000)
424                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
425
426         if ((mask & 0x0003ffff) && asoutput)
427                 dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
428         else if ((mask & 0x0003ffff) && !asoutput)
429                 dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
430
431 }
432
433 static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
434 {
435         if (state)
436                 dm1105_gpio_enable(dev, line, 0);
437         else {
438                 dm1105_gpio_enable(dev, line, 1);
439                 dm1105_gpio_clear(dev, line);
440         }
441 }
442
443 static void dm1105_setsda(void *data, int state)
444 {
445         struct dm1105_dev *dev = data;
446
447         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
448 }
449
450 static void dm1105_setscl(void *data, int state)
451 {
452         struct dm1105_dev *dev = data;
453
454         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
455 }
456
457 static int dm1105_getsda(void *data)
458 {
459         struct dm1105_dev *dev = data;
460
461         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
462                                                                         ? 1 : 0;
463 }
464
465 static int dm1105_getscl(void *data)
466 {
467         struct dm1105_dev *dev = data;
468
469         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
470                                                                         ? 1 : 0;
471 }
472
473 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
474                             struct i2c_msg *msgs, int num)
475 {
476         struct dm1105_dev *dev ;
477
478         int addr, rc, i, j, k, len, byte, data;
479         u8 status;
480
481         dev = i2c_adap->algo_data;
482         for (i = 0; i < num; i++) {
483                 dm_writeb(DM1105_I2CCTR, 0x00);
484                 if (msgs[i].flags & I2C_M_RD) {
485                         /* read bytes */
486                         addr  = msgs[i].addr << 1;
487                         addr |= 1;
488                         dm_writeb(DM1105_I2CDAT, addr);
489                         for (byte = 0; byte < msgs[i].len; byte++)
490                                 dm_writeb(DM1105_I2CDAT + byte + 1, 0);
491
492                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
493                         for (j = 0; j < 55; j++) {
494                                 mdelay(10);
495                                 status = dm_readb(DM1105_I2CSTS);
496                                 if ((status & 0xc0) == 0x40)
497                                         break;
498                         }
499                         if (j >= 55)
500                                 return -1;
501
502                         for (byte = 0; byte < msgs[i].len; byte++) {
503                                 rc = dm_readb(DM1105_I2CDAT + byte + 1);
504                                 if (rc < 0)
505                                         goto err;
506                                 msgs[i].buf[byte] = rc;
507                         }
508                 } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
509                         /* prepared for cx24116 firmware */
510                         /* Write in small blocks */
511                         len = msgs[i].len - 1;
512                         k = 1;
513                         do {
514                                 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
515                                 dm_writeb(DM1105_I2CDAT + 1, 0xf7);
516                                 for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
517                                         data = msgs[i].buf[k + byte];
518                                         dm_writeb(DM1105_I2CDAT + byte + 2, data);
519                                 }
520                                 dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
521                                 for (j = 0; j < 25; j++) {
522                                         mdelay(10);
523                                         status = dm_readb(DM1105_I2CSTS);
524                                         if ((status & 0xc0) == 0x40)
525                                                 break;
526                                 }
527
528                                 if (j >= 25)
529                                         return -1;
530
531                                 k += 48;
532                                 len -= 48;
533                         } while (len > 0);
534                 } else {
535                         /* write bytes */
536                         dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
537                         for (byte = 0; byte < msgs[i].len; byte++) {
538                                 data = msgs[i].buf[byte];
539                                 dm_writeb(DM1105_I2CDAT + byte + 1, data);
540                         }
541                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
542                         for (j = 0; j < 25; j++) {
543                                 mdelay(10);
544                                 status = dm_readb(DM1105_I2CSTS);
545                                 if ((status & 0xc0) == 0x40)
546                                         break;
547                         }
548
549                         if (j >= 25)
550                                 return -1;
551                 }
552         }
553         return num;
554  err:
555         return rc;
556 }
557
558 static u32 functionality(struct i2c_adapter *adap)
559 {
560         return I2C_FUNC_I2C;
561 }
562
563 static const struct i2c_algorithm dm1105_algo = {
564         .master_xfer   = dm1105_i2c_xfer,
565         .functionality = functionality,
566 };
567
568 static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
569 {
570         return container_of(feed->demux, struct dm1105_dev, demux);
571 }
572
573 static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
574 {
575         return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
576 }
577
578 static int dm1105_set_voltage(struct dvb_frontend *fe,
579                               enum fe_sec_voltage voltage)
580 {
581         struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
582
583         dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
584         if (voltage == SEC_VOLTAGE_18)
585                 dm1105_gpio_andor(dev,
586                                 dm1105_boards[dev->boardnr].lnb.mask,
587                                 dm1105_boards[dev->boardnr].lnb.v18);
588         else if (voltage == SEC_VOLTAGE_13)
589                 dm1105_gpio_andor(dev,
590                                 dm1105_boards[dev->boardnr].lnb.mask,
591                                 dm1105_boards[dev->boardnr].lnb.v13);
592         else
593                 dm1105_gpio_andor(dev,
594                                 dm1105_boards[dev->boardnr].lnb.mask,
595                                 dm1105_boards[dev->boardnr].lnb.off);
596
597         return 0;
598 }
599
600 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
601 {
602         dm_writel(DM1105_STADR, (__force u32)cpu_to_le32(dev->dma_addr));
603 }
604
605 static int dm1105_dma_map(struct dm1105_dev *dev)
606 {
607         dev->ts_buf = pci_alloc_consistent(dev->pdev,
608                                         6 * DM1105_DMA_BYTES,
609                                         &dev->dma_addr);
610
611         return !dev->ts_buf;
612 }
613
614 static void dm1105_dma_unmap(struct dm1105_dev *dev)
615 {
616         pci_free_consistent(dev->pdev,
617                         6 * DM1105_DMA_BYTES,
618                         dev->ts_buf,
619                         dev->dma_addr);
620 }
621
622 static void dm1105_enable_irqs(struct dm1105_dev *dev)
623 {
624         dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
625         dm_writeb(DM1105_CR, 1);
626 }
627
628 static void dm1105_disable_irqs(struct dm1105_dev *dev)
629 {
630         dm_writeb(DM1105_INTMAK, INTMAK_IRM);
631         dm_writeb(DM1105_CR, 0);
632 }
633
634 static int dm1105_start_feed(struct dvb_demux_feed *f)
635 {
636         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
637
638         if (dev->full_ts_users++ == 0)
639                 dm1105_enable_irqs(dev);
640
641         return 0;
642 }
643
644 static int dm1105_stop_feed(struct dvb_demux_feed *f)
645 {
646         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
647
648         if (--dev->full_ts_users == 0)
649                 dm1105_disable_irqs(dev);
650
651         return 0;
652 }
653
654 /* ir work handler */
655 static void dm1105_emit_key(struct work_struct *work)
656 {
657         struct infrared *ir = container_of(work, struct infrared, work);
658         u32 ircom = ir->ir_command;
659         u8 data;
660
661         if (ir_debug)
662                 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
663
664         data = (ircom >> 8) & 0x7f;
665
666         /* FIXME: UNKNOWN because we don't generate a full NEC scancode (yet?) */
667         rc_keydown(ir->dev, RC_PROTO_UNKNOWN, data, 0);
668 }
669
670 /* work handler */
671 static void dm1105_dmx_buffer(struct work_struct *work)
672 {
673         struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
674         unsigned int nbpackets;
675         u32 oldwrp = dev->wrp;
676         u32 nextwrp = dev->nextwrp;
677
678         if (!((dev->ts_buf[oldwrp] == 0x47) &&
679                         (dev->ts_buf[oldwrp + 188] == 0x47) &&
680                         (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
681                 dev->PacketErrorCount++;
682                 /* bad packet found */
683                 if ((dev->PacketErrorCount >= 2) &&
684                                 (dev->dmarst == 0)) {
685                         dm_writeb(DM1105_RST, 1);
686                         dev->wrp = 0;
687                         dev->PacketErrorCount = 0;
688                         dev->dmarst = 0;
689                         return;
690                 }
691         }
692
693         if (nextwrp < oldwrp) {
694                 memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
695                 nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
696         } else
697                 nbpackets = (nextwrp - oldwrp) / 188;
698
699         dev->wrp = nextwrp;
700         dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
701 }
702
703 static irqreturn_t dm1105_irq(int irq, void *dev_id)
704 {
705         struct dm1105_dev *dev = dev_id;
706
707         /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
708         unsigned int intsts = dm_readb(DM1105_INTSTS);
709         dm_writeb(DM1105_INTSTS, intsts);
710
711         switch (intsts) {
712         case INTSTS_TSIRQ:
713         case (INTSTS_TSIRQ | INTSTS_IR):
714                 dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
715                 queue_work(dev->wq, &dev->work);
716                 break;
717         case INTSTS_IR:
718                 dev->ir.ir_command = dm_readl(DM1105_IRCODE);
719                 schedule_work(&dev->ir.work);
720                 break;
721         }
722
723         return IRQ_HANDLED;
724 }
725
726 static int dm1105_ir_init(struct dm1105_dev *dm1105)
727 {
728         struct rc_dev *dev;
729         int err = -ENOMEM;
730
731         dev = rc_allocate_device(RC_DRIVER_SCANCODE);
732         if (!dev)
733                 return -ENOMEM;
734
735         snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
736                 "pci-%s/ir0", pci_name(dm1105->pdev));
737
738         dev->driver_name = MODULE_NAME;
739         dev->map_name = RC_MAP_DM1105_NEC;
740         dev->device_name = "DVB on-card IR receiver";
741         dev->input_phys = dm1105->ir.input_phys;
742         dev->input_id.bustype = BUS_PCI;
743         dev->input_id.version = 1;
744         if (dm1105->pdev->subsystem_vendor) {
745                 dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
746                 dev->input_id.product = dm1105->pdev->subsystem_device;
747         } else {
748                 dev->input_id.vendor = dm1105->pdev->vendor;
749                 dev->input_id.product = dm1105->pdev->device;
750         }
751         dev->dev.parent = &dm1105->pdev->dev;
752
753         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
754
755         err = rc_register_device(dev);
756         if (err < 0) {
757                 rc_free_device(dev);
758                 return err;
759         }
760
761         dm1105->ir.dev = dev;
762         return 0;
763 }
764
765 static void dm1105_ir_exit(struct dm1105_dev *dm1105)
766 {
767         rc_unregister_device(dm1105->ir.dev);
768 }
769
770 static int dm1105_hw_init(struct dm1105_dev *dev)
771 {
772         dm1105_disable_irqs(dev);
773
774         dm_writeb(DM1105_HOST_CTR, 0);
775
776         /*DATALEN 188,*/
777         dm_writeb(DM1105_DTALENTH, 188);
778         /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
779         dm_writew(DM1105_TSCTR, 0xc10a);
780
781         /* map DMA and set address */
782         dm1105_dma_map(dev);
783         dm1105_set_dma_addr(dev);
784         /* big buffer */
785         dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
786         dm_writeb(DM1105_INTCNT, 47);
787
788         /* IR NEC mode enable */
789         dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
790         dm_writeb(DM1105_IRMODE, 0);
791         dm_writew(DM1105_SYSTEMCODE, 0);
792
793         return 0;
794 }
795
796 static void dm1105_hw_exit(struct dm1105_dev *dev)
797 {
798         dm1105_disable_irqs(dev);
799
800         /* IR disable */
801         dm_writeb(DM1105_IRCTR, 0);
802         dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
803
804         dm1105_dma_unmap(dev);
805 }
806
807 static const struct stv0299_config sharp_z0194a_config = {
808         .demod_address = 0x68,
809         .inittab = sharp_z0194a_inittab,
810         .mclk = 88000000UL,
811         .invert = 1,
812         .skip_reinit = 0,
813         .lock_output = STV0299_LOCKOUTPUT_1,
814         .volt13_op0_op1 = STV0299_VOLT13_OP1,
815         .min_delay_ms = 100,
816         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
817 };
818
819 static struct stv0288_config earda_config = {
820         .demod_address = 0x68,
821         .min_delay_ms = 100,
822 };
823
824 static struct si21xx_config serit_config = {
825         .demod_address = 0x68,
826         .min_delay_ms = 100,
827
828 };
829
830 static struct cx24116_config serit_sp2633_config = {
831         .demod_address = 0x55,
832 };
833
834 static struct ds3000_config dvbworld_ds3000_config = {
835         .demod_address = 0x68,
836 };
837
838 static struct ts2020_config dvbworld_ts2020_config  = {
839         .tuner_address = 0x60,
840         .clk_out_div = 1,
841 };
842
843 static int frontend_init(struct dm1105_dev *dev)
844 {
845         int ret;
846
847         switch (dev->boardnr) {
848         case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
849                 dm1105_gpio_enable(dev, GPIO15, 1);
850                 dm1105_gpio_clear(dev, GPIO15);
851                 msleep(100);
852                 dm1105_gpio_set(dev, GPIO15);
853                 msleep(200);
854                 dev->fe = dvb_attach(
855                         stv0299_attach, &sharp_z0194a_config,
856                         &dev->i2c_bb_adap);
857                 if (dev->fe) {
858                         dev->fe->ops.set_voltage = dm1105_set_voltage;
859                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
860                                         &dev->i2c_bb_adap, DVB_PLL_OPERA1);
861                         break;
862                 }
863
864                 dev->fe = dvb_attach(
865                         stv0288_attach, &earda_config,
866                         &dev->i2c_bb_adap);
867                 if (dev->fe) {
868                         dev->fe->ops.set_voltage = dm1105_set_voltage;
869                         dvb_attach(stb6000_attach, dev->fe, 0x61,
870                                         &dev->i2c_bb_adap);
871                         break;
872                 }
873
874                 dev->fe = dvb_attach(
875                         si21xx_attach, &serit_config,
876                         &dev->i2c_bb_adap);
877                 if (dev->fe)
878                         dev->fe->ops.set_voltage = dm1105_set_voltage;
879                 break;
880         case DM1105_BOARD_DVBWORLD_2004:
881                 dev->fe = dvb_attach(
882                         cx24116_attach, &serit_sp2633_config,
883                         &dev->i2c_adap);
884                 if (dev->fe) {
885                         dev->fe->ops.set_voltage = dm1105_set_voltage;
886                         break;
887                 }
888
889                 dev->fe = dvb_attach(
890                         ds3000_attach, &dvbworld_ds3000_config,
891                         &dev->i2c_adap);
892                 if (dev->fe) {
893                         dvb_attach(ts2020_attach, dev->fe,
894                                 &dvbworld_ts2020_config, &dev->i2c_adap);
895                         dev->fe->ops.set_voltage = dm1105_set_voltage;
896                 }
897
898                 break;
899         case DM1105_BOARD_DVBWORLD_2002:
900         case DM1105_BOARD_AXESS_DM05:
901         default:
902                 dev->fe = dvb_attach(
903                         stv0299_attach, &sharp_z0194a_config,
904                         &dev->i2c_adap);
905                 if (dev->fe) {
906                         dev->fe->ops.set_voltage = dm1105_set_voltage;
907                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
908                                         &dev->i2c_adap, DVB_PLL_OPERA1);
909                         break;
910                 }
911
912                 dev->fe = dvb_attach(
913                         stv0288_attach, &earda_config,
914                         &dev->i2c_adap);
915                 if (dev->fe) {
916                         dev->fe->ops.set_voltage = dm1105_set_voltage;
917                         dvb_attach(stb6000_attach, dev->fe, 0x61,
918                                         &dev->i2c_adap);
919                         break;
920                 }
921
922                 dev->fe = dvb_attach(
923                         si21xx_attach, &serit_config,
924                         &dev->i2c_adap);
925                 if (dev->fe)
926                         dev->fe->ops.set_voltage = dm1105_set_voltage;
927
928         }
929
930         if (!dev->fe) {
931                 dev_err(&dev->pdev->dev, "could not attach frontend\n");
932                 return -ENODEV;
933         }
934
935         ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
936         if (ret < 0) {
937                 if (dev->fe->ops.release)
938                         dev->fe->ops.release(dev->fe);
939                 dev->fe = NULL;
940                 return ret;
941         }
942
943         return 0;
944 }
945
946 static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
947 {
948         static u8 command[1] = { 0x28 };
949
950         struct i2c_msg msg[] = {
951                 {
952                         .addr = IIC_24C01_addr >> 1,
953                         .flags = 0,
954                         .buf = command,
955                         .len = 1
956                 }, {
957                         .addr = IIC_24C01_addr >> 1,
958                         .flags = I2C_M_RD,
959                         .buf = mac,
960                         .len = 6
961                 },
962         };
963
964         dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
965         dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
966 }
967
968 static int dm1105_probe(struct pci_dev *pdev,
969                                   const struct pci_device_id *ent)
970 {
971         struct dm1105_dev *dev;
972         struct dvb_adapter *dvb_adapter;
973         struct dvb_demux *dvbdemux;
974         struct dmx_demux *dmx;
975         int ret = -ENOMEM;
976         int i;
977
978         if (dm1105_devcount >= ARRAY_SIZE(card))
979                 return -ENODEV;
980
981         dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
982         if (!dev)
983                 return -ENOMEM;
984
985         /* board config */
986         dev->nr = dm1105_devcount;
987         dev->boardnr = UNSET;
988         if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
989                 dev->boardnr = card[dev->nr];
990         for (i = 0; UNSET == dev->boardnr &&
991                                 i < ARRAY_SIZE(dm1105_subids); i++)
992                 if (pdev->subsystem_vendor ==
993                         dm1105_subids[i].subvendor &&
994                                 pdev->subsystem_device ==
995                                         dm1105_subids[i].subdevice)
996                         dev->boardnr = dm1105_subids[i].card;
997
998         if (UNSET == dev->boardnr) {
999                 dev->boardnr = DM1105_BOARD_UNKNOWN;
1000                 dm1105_card_list(pdev);
1001         }
1002
1003         dm1105_devcount++;
1004         dev->pdev = pdev;
1005         dev->buffer_size = 5 * DM1105_DMA_BYTES;
1006         dev->PacketErrorCount = 0;
1007         dev->dmarst = 0;
1008
1009         ret = pci_enable_device(pdev);
1010         if (ret < 0)
1011                 goto err_kfree;
1012
1013         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1014         if (ret < 0)
1015                 goto err_pci_disable_device;
1016
1017         pci_set_master(pdev);
1018
1019         ret = pci_request_regions(pdev, DRIVER_NAME);
1020         if (ret < 0)
1021                 goto err_pci_disable_device;
1022
1023         dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1024         if (!dev->io_mem) {
1025                 ret = -EIO;
1026                 goto err_pci_release_regions;
1027         }
1028
1029         spin_lock_init(&dev->lock);
1030         pci_set_drvdata(pdev, dev);
1031
1032         ret = dm1105_hw_init(dev);
1033         if (ret < 0)
1034                 goto err_pci_iounmap;
1035
1036         /* i2c */
1037         i2c_set_adapdata(&dev->i2c_adap, dev);
1038         strscpy(dev->i2c_adap.name, DRIVER_NAME, sizeof(dev->i2c_adap.name));
1039         dev->i2c_adap.owner = THIS_MODULE;
1040         dev->i2c_adap.dev.parent = &pdev->dev;
1041         dev->i2c_adap.algo = &dm1105_algo;
1042         dev->i2c_adap.algo_data = dev;
1043         ret = i2c_add_adapter(&dev->i2c_adap);
1044
1045         if (ret < 0)
1046                 goto err_dm1105_hw_exit;
1047
1048         i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1049         strscpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME,
1050                 sizeof(dev->i2c_bb_adap.name));
1051         dev->i2c_bb_adap.owner = THIS_MODULE;
1052         dev->i2c_bb_adap.dev.parent = &pdev->dev;
1053         dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1054         dev->i2c_bit.data = dev;
1055         dev->i2c_bit.setsda = dm1105_setsda;
1056         dev->i2c_bit.setscl = dm1105_setscl;
1057         dev->i2c_bit.getsda = dm1105_getsda;
1058         dev->i2c_bit.getscl = dm1105_getscl;
1059         dev->i2c_bit.udelay = 10;
1060         dev->i2c_bit.timeout = 10;
1061
1062         /* Raise SCL and SDA */
1063         dm1105_setsda(dev, 1);
1064         dm1105_setscl(dev, 1);
1065
1066         ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1067         if (ret < 0)
1068                 goto err_i2c_del_adapter;
1069
1070         /* dvb */
1071         ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1072                                         THIS_MODULE, &pdev->dev, adapter_nr);
1073         if (ret < 0)
1074                 goto err_i2c_del_adapters;
1075
1076         dvb_adapter = &dev->dvb_adapter;
1077
1078         dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1079
1080         dvbdemux = &dev->demux;
1081         dvbdemux->filternum = 256;
1082         dvbdemux->feednum = 256;
1083         dvbdemux->start_feed = dm1105_start_feed;
1084         dvbdemux->stop_feed = dm1105_stop_feed;
1085         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1086                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1087         ret = dvb_dmx_init(dvbdemux);
1088         if (ret < 0)
1089                 goto err_dvb_unregister_adapter;
1090
1091         dmx = &dvbdemux->dmx;
1092         dev->dmxdev.filternum = 256;
1093         dev->dmxdev.demux = dmx;
1094         dev->dmxdev.capabilities = 0;
1095
1096         ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1097         if (ret < 0)
1098                 goto err_dvb_dmx_release;
1099
1100         dev->hw_frontend.source = DMX_FRONTEND_0;
1101
1102         ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1103         if (ret < 0)
1104                 goto err_dvb_dmxdev_release;
1105
1106         dev->mem_frontend.source = DMX_MEMORY_FE;
1107
1108         ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1109         if (ret < 0)
1110                 goto err_remove_hw_frontend;
1111
1112         ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1113         if (ret < 0)
1114                 goto err_remove_mem_frontend;
1115
1116         ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1117         if (ret < 0)
1118                 goto err_disconnect_frontend;
1119
1120         ret = frontend_init(dev);
1121         if (ret < 0)
1122                 goto err_dvb_net;
1123
1124         dm1105_ir_init(dev);
1125
1126         INIT_WORK(&dev->work, dm1105_dmx_buffer);
1127         sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1128         dev->wq = create_singlethread_workqueue(dev->wqn);
1129         if (!dev->wq) {
1130                 ret = -ENOMEM;
1131                 goto err_dvb_net;
1132         }
1133
1134         ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1135                                                 DRIVER_NAME, dev);
1136         if (ret < 0)
1137                 goto err_workqueue;
1138
1139         return 0;
1140
1141 err_workqueue:
1142         destroy_workqueue(dev->wq);
1143 err_dvb_net:
1144         dvb_net_release(&dev->dvbnet);
1145 err_disconnect_frontend:
1146         dmx->disconnect_frontend(dmx);
1147 err_remove_mem_frontend:
1148         dmx->remove_frontend(dmx, &dev->mem_frontend);
1149 err_remove_hw_frontend:
1150         dmx->remove_frontend(dmx, &dev->hw_frontend);
1151 err_dvb_dmxdev_release:
1152         dvb_dmxdev_release(&dev->dmxdev);
1153 err_dvb_dmx_release:
1154         dvb_dmx_release(dvbdemux);
1155 err_dvb_unregister_adapter:
1156         dvb_unregister_adapter(dvb_adapter);
1157 err_i2c_del_adapters:
1158         i2c_del_adapter(&dev->i2c_bb_adap);
1159 err_i2c_del_adapter:
1160         i2c_del_adapter(&dev->i2c_adap);
1161 err_dm1105_hw_exit:
1162         dm1105_hw_exit(dev);
1163 err_pci_iounmap:
1164         pci_iounmap(pdev, dev->io_mem);
1165 err_pci_release_regions:
1166         pci_release_regions(pdev);
1167 err_pci_disable_device:
1168         pci_disable_device(pdev);
1169 err_kfree:
1170         kfree(dev);
1171         return ret;
1172 }
1173
1174 static void dm1105_remove(struct pci_dev *pdev)
1175 {
1176         struct dm1105_dev *dev = pci_get_drvdata(pdev);
1177         struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1178         struct dvb_demux *dvbdemux = &dev->demux;
1179         struct dmx_demux *dmx = &dvbdemux->dmx;
1180
1181         dm1105_ir_exit(dev);
1182         dmx->close(dmx);
1183         dvb_net_release(&dev->dvbnet);
1184         if (dev->fe)
1185                 dvb_unregister_frontend(dev->fe);
1186
1187         dmx->disconnect_frontend(dmx);
1188         dmx->remove_frontend(dmx, &dev->mem_frontend);
1189         dmx->remove_frontend(dmx, &dev->hw_frontend);
1190         dvb_dmxdev_release(&dev->dmxdev);
1191         dvb_dmx_release(dvbdemux);
1192         dvb_unregister_adapter(dvb_adapter);
1193         i2c_del_adapter(&dev->i2c_adap);
1194
1195         dm1105_hw_exit(dev);
1196         free_irq(pdev->irq, dev);
1197         pci_iounmap(pdev, dev->io_mem);
1198         pci_release_regions(pdev);
1199         pci_disable_device(pdev);
1200         dm1105_devcount--;
1201         kfree(dev);
1202 }
1203
1204 static const struct pci_device_id dm1105_id_table[] = {
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 = dm1105_remove,
1227 };
1228
1229 module_pci_driver(dm1105_driver);
1230
1231 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1232 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1233 MODULE_LICENSE("GPL");