treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
[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/proc_fs.h>
15 #include <linux/pci.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/slab.h>
18 #include <media/rc-core.h>
19
20 #include <media/demux.h>
21 #include <media/dmxdev.h>
22 #include <media/dvb_demux.h>
23 #include <media/dvb_frontend.h>
24 #include <media/dvb_net.h>
25 #include <media/dvbdev.h>
26 #include "dvb-pll.h"
27
28 #include "stv0299.h"
29 #include "stv0288.h"
30 #include "stb6000.h"
31 #include "si21xx.h"
32 #include "cx24116.h"
33 #include "z0194a.h"
34 #include "ts2020.h"
35 #include "ds3000.h"
36
37 #define MODULE_NAME "dm1105"
38
39 #define UNSET (-1U)
40
41 #define DM1105_BOARD_NOAUTO                     UNSET
42 #define DM1105_BOARD_UNKNOWN                    0
43 #define DM1105_BOARD_DVBWORLD_2002              1
44 #define DM1105_BOARD_DVBWORLD_2004              2
45 #define DM1105_BOARD_AXESS_DM05                 3
46 #define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO      4
47
48 /* ----------------------------------------------- */
49 /*
50  * PCI ID's
51  */
52 #ifndef PCI_VENDOR_ID_TRIGEM
53 #define PCI_VENDOR_ID_TRIGEM    0x109f
54 #endif
55 #ifndef PCI_VENDOR_ID_AXESS
56 #define PCI_VENDOR_ID_AXESS     0x195d
57 #endif
58 #ifndef PCI_DEVICE_ID_DM1105
59 #define PCI_DEVICE_ID_DM1105    0x036f
60 #endif
61 #ifndef PCI_DEVICE_ID_DW2002
62 #define PCI_DEVICE_ID_DW2002    0x2002
63 #endif
64 #ifndef PCI_DEVICE_ID_DW2004
65 #define PCI_DEVICE_ID_DW2004    0x2004
66 #endif
67 #ifndef PCI_DEVICE_ID_DM05
68 #define PCI_DEVICE_ID_DM05      0x1105
69 #endif
70 /* ----------------------------------------------- */
71 /* sdmc dm1105 registers */
72
73 /* TS Control */
74 #define DM1105_TSCTR                            0x00
75 #define DM1105_DTALENTH                         0x04
76
77 /* GPIO Interface */
78 #define DM1105_GPIOVAL                          0x08
79 #define DM1105_GPIOCTR                          0x0c
80
81 /* PID serial number */
82 #define DM1105_PIDN                             0x10
83
84 /* Odd-even secret key select */
85 #define DM1105_CWSEL                            0x14
86
87 /* Host Command Interface */
88 #define DM1105_HOST_CTR                         0x18
89 #define DM1105_HOST_AD                          0x1c
90
91 /* PCI Interface */
92 #define DM1105_CR                               0x30
93 #define DM1105_RST                              0x34
94 #define DM1105_STADR                            0x38
95 #define DM1105_RLEN                             0x3c
96 #define DM1105_WRP                              0x40
97 #define DM1105_INTCNT                           0x44
98 #define DM1105_INTMAK                           0x48
99 #define DM1105_INTSTS                           0x4c
100
101 /* CW Value */
102 #define DM1105_ODD                              0x50
103 #define DM1105_EVEN                             0x58
104
105 /* PID Value */
106 #define DM1105_PID                              0x60
107
108 /* IR Control */
109 #define DM1105_IRCTR                            0x64
110 #define DM1105_IRMODE                           0x68
111 #define DM1105_SYSTEMCODE                       0x6c
112 #define DM1105_IRCODE                           0x70
113
114 /* Unknown Values */
115 #define DM1105_ENCRYPT                          0x74
116 #define DM1105_VER                              0x7c
117
118 /* I2C Interface */
119 #define DM1105_I2CCTR                           0x80
120 #define DM1105_I2CSTS                           0x81
121 #define DM1105_I2CDAT                           0x82
122 #define DM1105_I2C_RA                           0x83
123 /* ----------------------------------------------- */
124 /* Interrupt Mask Bits */
125
126 #define INTMAK_TSIRQM                           0x01
127 #define INTMAK_HIRQM                            0x04
128 #define INTMAK_IRM                              0x08
129 #define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
130                                                 INTMAK_HIRQM | \
131                                                 INTMAK_IRM)
132 #define INTMAK_NONEMASK                         0x00
133
134 /* Interrupt Status Bits */
135 #define INTSTS_TSIRQ                            0x01
136 #define INTSTS_HIRQ                             0x04
137 #define INTSTS_IR                               0x08
138
139 /* IR Control Bits */
140 #define DM1105_IR_EN                            0x01
141 #define DM1105_SYS_CHK                          0x02
142 #define DM1105_REP_FLG                          0x08
143
144 /* EEPROM addr */
145 #define IIC_24C01_addr                          0xa0
146 /* Max board count */
147 #define DM1105_MAX                              0x04
148
149 #define DRIVER_NAME                             "dm1105"
150 #define DM1105_I2C_GPIO_NAME                    "dm1105-gpio"
151
152 #define DM1105_DMA_PACKETS                      47
153 #define DM1105_DMA_PACKET_LENGTH                (128*4)
154 #define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
155
156 /*  */
157 #define GPIO08                                  (1 << 8)
158 #define GPIO13                                  (1 << 13)
159 #define GPIO14                                  (1 << 14)
160 #define GPIO15                                  (1 << 15)
161 #define GPIO16                                  (1 << 16)
162 #define GPIO17                                  (1 << 17)
163 #define GPIO_ALL                                0x03ffff
164
165 /* GPIO's for LNB power control */
166 #define DM1105_LNB_MASK                         (GPIO_ALL & ~(GPIO14 | GPIO13))
167 #define DM1105_LNB_OFF                          GPIO17
168 #define DM1105_LNB_13V                          (GPIO16 | GPIO08)
169 #define DM1105_LNB_18V                          GPIO08
170
171 /* GPIO's for LNB power control for Axess DM05 */
172 #define DM05_LNB_MASK                           (GPIO_ALL & ~(GPIO14 | GPIO13))
173 #define DM05_LNB_OFF                            GPIO17/* actually 13v */
174 #define DM05_LNB_13V                            GPIO17
175 #define DM05_LNB_18V                            (GPIO17 | GPIO16)
176
177 /* GPIO's for LNB power control for unbranded with I2C on GPIO */
178 #define UNBR_LNB_MASK                           (GPIO17 | GPIO16)
179 #define UNBR_LNB_OFF                            0
180 #define UNBR_LNB_13V                            GPIO17
181 #define UNBR_LNB_18V                            (GPIO17 | GPIO16)
182
183 static unsigned int card[]  = {[0 ... 3] = UNSET };
184 module_param_array(card,  int, NULL, 0444);
185 MODULE_PARM_DESC(card, "card type");
186
187 static int ir_debug;
188 module_param(ir_debug, int, 0644);
189 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
190
191 static unsigned int dm1105_devcount;
192
193 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
194
195 struct dm1105_board {
196         char    *name;
197         struct  {
198                 u32     mask, off, v13, v18;
199         } lnb;
200         u32     gpio_scl, gpio_sda;
201 };
202
203 struct dm1105_subid {
204         u16     subvendor;
205         u16     subdevice;
206         u32     card;
207 };
208
209 static const struct dm1105_board dm1105_boards[] = {
210         [DM1105_BOARD_UNKNOWN] = {
211                 .name           = "UNKNOWN/GENERIC",
212                 .lnb = {
213                         .mask = DM1105_LNB_MASK,
214                         .off = DM1105_LNB_OFF,
215                         .v13 = DM1105_LNB_13V,
216                         .v18 = DM1105_LNB_18V,
217                 },
218         },
219         [DM1105_BOARD_DVBWORLD_2002] = {
220                 .name           = "DVBWorld PCI 2002",
221                 .lnb = {
222                         .mask = DM1105_LNB_MASK,
223                         .off = DM1105_LNB_OFF,
224                         .v13 = DM1105_LNB_13V,
225                         .v18 = DM1105_LNB_18V,
226                 },
227         },
228         [DM1105_BOARD_DVBWORLD_2004] = {
229                 .name           = "DVBWorld PCI 2004",
230                 .lnb = {
231                         .mask = DM1105_LNB_MASK,
232                         .off = DM1105_LNB_OFF,
233                         .v13 = DM1105_LNB_13V,
234                         .v18 = DM1105_LNB_18V,
235                 },
236         },
237         [DM1105_BOARD_AXESS_DM05] = {
238                 .name           = "Axess/EasyTv DM05",
239                 .lnb = {
240                         .mask = DM05_LNB_MASK,
241                         .off = DM05_LNB_OFF,
242                         .v13 = DM05_LNB_13V,
243                         .v18 = DM05_LNB_18V,
244                 },
245         },
246         [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
247                 .name           = "Unbranded DM1105 with i2c on GPIOs",
248                 .lnb = {
249                         .mask = UNBR_LNB_MASK,
250                         .off = UNBR_LNB_OFF,
251                         .v13 = UNBR_LNB_13V,
252                         .v18 = UNBR_LNB_18V,
253                 },
254                 .gpio_scl       = GPIO14,
255                 .gpio_sda       = GPIO13,
256         },
257 };
258
259 static const struct dm1105_subid dm1105_subids[] = {
260         {
261                 .subvendor = 0x0000,
262                 .subdevice = 0x2002,
263                 .card      = DM1105_BOARD_DVBWORLD_2002,
264         }, {
265                 .subvendor = 0x0001,
266                 .subdevice = 0x2002,
267                 .card      = DM1105_BOARD_DVBWORLD_2002,
268         }, {
269                 .subvendor = 0x0000,
270                 .subdevice = 0x2004,
271                 .card      = DM1105_BOARD_DVBWORLD_2004,
272         }, {
273                 .subvendor = 0x0001,
274                 .subdevice = 0x2004,
275                 .card      = DM1105_BOARD_DVBWORLD_2004,
276         }, {
277                 .subvendor = 0x195d,
278                 .subdevice = 0x1105,
279                 .card      = DM1105_BOARD_AXESS_DM05,
280         },
281 };
282
283 static void dm1105_card_list(struct pci_dev *pci)
284 {
285         int i;
286
287         if (0 == pci->subsystem_vendor &&
288                         0 == pci->subsystem_device) {
289                 printk(KERN_ERR
290                         "dm1105: Your board has no valid PCI Subsystem ID\n"
291                         "dm1105: and thus can't be autodetected\n"
292                         "dm1105: Please pass card=<n> insmod option to\n"
293                         "dm1105: workaround that.  Redirect complaints to\n"
294                         "dm1105: the vendor of the TV card.  Best regards,\n"
295                         "dm1105: -- tux\n");
296         } else {
297                 printk(KERN_ERR
298                         "dm1105: Your board isn't known (yet) to the driver.\n"
299                         "dm1105: You can try to pick one of the existing\n"
300                         "dm1105: card configs via card=<n> insmod option.\n"
301                         "dm1105: Updating to the latest version might help\n"
302                         "dm1105: as well.\n");
303         }
304         printk(KERN_ERR "Here is a list of valid choices for the card=<n> insmod option:\n");
305         for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
306                 printk(KERN_ERR "dm1105:    card=%d -> %s\n",
307                                 i, dm1105_boards[i].name);
308 }
309
310 /* infrared remote control */
311 struct infrared {
312         struct rc_dev           *dev;
313         char                    input_phys[32];
314         struct work_struct      work;
315         u32                     ir_command;
316 };
317
318 struct dm1105_dev {
319         /* pci */
320         struct pci_dev *pdev;
321         u8 __iomem *io_mem;
322
323         /* ir */
324         struct infrared ir;
325
326         /* dvb */
327         struct dmx_frontend hw_frontend;
328         struct dmx_frontend mem_frontend;
329         struct dmxdev dmxdev;
330         struct dvb_adapter dvb_adapter;
331         struct dvb_demux demux;
332         struct dvb_frontend *fe;
333         struct dvb_net dvbnet;
334         unsigned int full_ts_users;
335         unsigned int boardnr;
336         int nr;
337
338         /* i2c */
339         struct i2c_adapter i2c_adap;
340         struct i2c_adapter i2c_bb_adap;
341         struct i2c_algo_bit_data i2c_bit;
342
343         /* irq */
344         struct work_struct work;
345         struct workqueue_struct *wq;
346         char wqn[16];
347
348         /* dma */
349         dma_addr_t dma_addr;
350         unsigned char *ts_buf;
351         u32 wrp;
352         u32 nextwrp;
353         u32 buffer_size;
354         unsigned int    PacketErrorCount;
355         unsigned int dmarst;
356         spinlock_t lock;
357 };
358
359 #define dm_io_mem(reg)  ((unsigned long)(&dev->io_mem[reg]))
360
361 #define dm_readb(reg)           inb(dm_io_mem(reg))
362 #define dm_writeb(reg, value)   outb((value), (dm_io_mem(reg)))
363
364 #define dm_readw(reg)           inw(dm_io_mem(reg))
365 #define dm_writew(reg, value)   outw((value), (dm_io_mem(reg)))
366
367 #define dm_readl(reg)           inl(dm_io_mem(reg))
368 #define dm_writel(reg, value)   outl((value), (dm_io_mem(reg)))
369
370 #define dm_andorl(reg, mask, value) \
371         outl((inl(dm_io_mem(reg)) & ~(mask)) |\
372                 ((value) & (mask)), (dm_io_mem(reg)))
373
374 #define dm_setl(reg, bit)       dm_andorl((reg), (bit), (bit))
375 #define dm_clearl(reg, bit)     dm_andorl((reg), (bit), 0)
376
377 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
378  so we can use only 3 GPIO's from GPIO15 to GPIO17.
379  Here I don't check whether HOST is enebled as it is not implemented yet.
380  */
381 static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
382 {
383         if (mask & 0xfffc0000)
384                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
385
386         if (mask & 0x0003ffff)
387                 dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
388
389 }
390
391 static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
392 {
393         if (mask & 0xfffc0000)
394                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
395
396         if (mask & 0x0003ffff)
397                 dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
398
399 }
400
401 static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
402 {
403         if (mask & 0xfffc0000)
404                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
405
406         if (mask & 0x0003ffff)
407                 dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
408
409 }
410
411 static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
412 {
413         if (mask & 0xfffc0000)
414                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
415
416         if (mask & 0x0003ffff)
417                 return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
418
419         return 0;
420 }
421
422 static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
423 {
424         if (mask & 0xfffc0000)
425                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
426
427         if ((mask & 0x0003ffff) && asoutput)
428                 dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
429         else if ((mask & 0x0003ffff) && !asoutput)
430                 dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
431
432 }
433
434 static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
435 {
436         if (state)
437                 dm1105_gpio_enable(dev, line, 0);
438         else {
439                 dm1105_gpio_enable(dev, line, 1);
440                 dm1105_gpio_clear(dev, line);
441         }
442 }
443
444 static void dm1105_setsda(void *data, int state)
445 {
446         struct dm1105_dev *dev = data;
447
448         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
449 }
450
451 static void dm1105_setscl(void *data, int state)
452 {
453         struct dm1105_dev *dev = data;
454
455         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
456 }
457
458 static int dm1105_getsda(void *data)
459 {
460         struct dm1105_dev *dev = data;
461
462         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
463                                                                         ? 1 : 0;
464 }
465
466 static int dm1105_getscl(void *data)
467 {
468         struct dm1105_dev *dev = data;
469
470         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
471                                                                         ? 1 : 0;
472 }
473
474 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
475                             struct i2c_msg *msgs, int num)
476 {
477         struct dm1105_dev *dev ;
478
479         int addr, rc, i, j, k, len, byte, data;
480         u8 status;
481
482         dev = i2c_adap->algo_data;
483         for (i = 0; i < num; i++) {
484                 dm_writeb(DM1105_I2CCTR, 0x00);
485                 if (msgs[i].flags & I2C_M_RD) {
486                         /* read bytes */
487                         addr  = msgs[i].addr << 1;
488                         addr |= 1;
489                         dm_writeb(DM1105_I2CDAT, addr);
490                         for (byte = 0; byte < msgs[i].len; byte++)
491                                 dm_writeb(DM1105_I2CDAT + byte + 1, 0);
492
493                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
494                         for (j = 0; j < 55; j++) {
495                                 mdelay(10);
496                                 status = dm_readb(DM1105_I2CSTS);
497                                 if ((status & 0xc0) == 0x40)
498                                         break;
499                         }
500                         if (j >= 55)
501                                 return -1;
502
503                         for (byte = 0; byte < msgs[i].len; byte++) {
504                                 rc = dm_readb(DM1105_I2CDAT + byte + 1);
505                                 if (rc < 0)
506                                         goto err;
507                                 msgs[i].buf[byte] = rc;
508                         }
509                 } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
510                         /* prepared for cx24116 firmware */
511                         /* Write in small blocks */
512                         len = msgs[i].len - 1;
513                         k = 1;
514                         do {
515                                 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
516                                 dm_writeb(DM1105_I2CDAT + 1, 0xf7);
517                                 for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
518                                         data = msgs[i].buf[k + byte];
519                                         dm_writeb(DM1105_I2CDAT + byte + 2, data);
520                                 }
521                                 dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
522                                 for (j = 0; j < 25; j++) {
523                                         mdelay(10);
524                                         status = dm_readb(DM1105_I2CSTS);
525                                         if ((status & 0xc0) == 0x40)
526                                                 break;
527                                 }
528
529                                 if (j >= 25)
530                                         return -1;
531
532                                 k += 48;
533                                 len -= 48;
534                         } while (len > 0);
535                 } else {
536                         /* write bytes */
537                         dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
538                         for (byte = 0; byte < msgs[i].len; byte++) {
539                                 data = msgs[i].buf[byte];
540                                 dm_writeb(DM1105_I2CDAT + byte + 1, data);
541                         }
542                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
543                         for (j = 0; j < 25; j++) {
544                                 mdelay(10);
545                                 status = dm_readb(DM1105_I2CSTS);
546                                 if ((status & 0xc0) == 0x40)
547                                         break;
548                         }
549
550                         if (j >= 25)
551                                 return -1;
552                 }
553         }
554         return num;
555  err:
556         return rc;
557 }
558
559 static u32 functionality(struct i2c_adapter *adap)
560 {
561         return I2C_FUNC_I2C;
562 }
563
564 static const struct i2c_algorithm dm1105_algo = {
565         .master_xfer   = dm1105_i2c_xfer,
566         .functionality = functionality,
567 };
568
569 static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
570 {
571         return container_of(feed->demux, struct dm1105_dev, demux);
572 }
573
574 static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
575 {
576         return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
577 }
578
579 static int dm1105_set_voltage(struct dvb_frontend *fe,
580                               enum fe_sec_voltage voltage)
581 {
582         struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
583
584         dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
585         if (voltage == SEC_VOLTAGE_18)
586                 dm1105_gpio_andor(dev,
587                                 dm1105_boards[dev->boardnr].lnb.mask,
588                                 dm1105_boards[dev->boardnr].lnb.v18);
589         else if (voltage == SEC_VOLTAGE_13)
590                 dm1105_gpio_andor(dev,
591                                 dm1105_boards[dev->boardnr].lnb.mask,
592                                 dm1105_boards[dev->boardnr].lnb.v13);
593         else
594                 dm1105_gpio_andor(dev,
595                                 dm1105_boards[dev->boardnr].lnb.mask,
596                                 dm1105_boards[dev->boardnr].lnb.off);
597
598         return 0;
599 }
600
601 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
602 {
603         dm_writel(DM1105_STADR, (__force u32)cpu_to_le32(dev->dma_addr));
604 }
605
606 static int dm1105_dma_map(struct dm1105_dev *dev)
607 {
608         dev->ts_buf = pci_alloc_consistent(dev->pdev,
609                                         6 * DM1105_DMA_BYTES,
610                                         &dev->dma_addr);
611
612         return !dev->ts_buf;
613 }
614
615 static void dm1105_dma_unmap(struct dm1105_dev *dev)
616 {
617         pci_free_consistent(dev->pdev,
618                         6 * DM1105_DMA_BYTES,
619                         dev->ts_buf,
620                         dev->dma_addr);
621 }
622
623 static void dm1105_enable_irqs(struct dm1105_dev *dev)
624 {
625         dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
626         dm_writeb(DM1105_CR, 1);
627 }
628
629 static void dm1105_disable_irqs(struct dm1105_dev *dev)
630 {
631         dm_writeb(DM1105_INTMAK, INTMAK_IRM);
632         dm_writeb(DM1105_CR, 0);
633 }
634
635 static int dm1105_start_feed(struct dvb_demux_feed *f)
636 {
637         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
638
639         if (dev->full_ts_users++ == 0)
640                 dm1105_enable_irqs(dev);
641
642         return 0;
643 }
644
645 static int dm1105_stop_feed(struct dvb_demux_feed *f)
646 {
647         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
648
649         if (--dev->full_ts_users == 0)
650                 dm1105_disable_irqs(dev);
651
652         return 0;
653 }
654
655 /* ir work handler */
656 static void dm1105_emit_key(struct work_struct *work)
657 {
658         struct infrared *ir = container_of(work, struct infrared, work);
659         u32 ircom = ir->ir_command;
660         u8 data;
661
662         if (ir_debug)
663                 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
664
665         data = (ircom >> 8) & 0x7f;
666
667         /* FIXME: UNKNOWN because we don't generate a full NEC scancode (yet?) */
668         rc_keydown(ir->dev, RC_PROTO_UNKNOWN, data, 0);
669 }
670
671 /* work handler */
672 static void dm1105_dmx_buffer(struct work_struct *work)
673 {
674         struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
675         unsigned int nbpackets;
676         u32 oldwrp = dev->wrp;
677         u32 nextwrp = dev->nextwrp;
678
679         if (!((dev->ts_buf[oldwrp] == 0x47) &&
680                         (dev->ts_buf[oldwrp + 188] == 0x47) &&
681                         (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
682                 dev->PacketErrorCount++;
683                 /* bad packet found */
684                 if ((dev->PacketErrorCount >= 2) &&
685                                 (dev->dmarst == 0)) {
686                         dm_writeb(DM1105_RST, 1);
687                         dev->wrp = 0;
688                         dev->PacketErrorCount = 0;
689                         dev->dmarst = 0;
690                         return;
691                 }
692         }
693
694         if (nextwrp < oldwrp) {
695                 memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
696                 nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
697         } else
698                 nbpackets = (nextwrp - oldwrp) / 188;
699
700         dev->wrp = nextwrp;
701         dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
702 }
703
704 static irqreturn_t dm1105_irq(int irq, void *dev_id)
705 {
706         struct dm1105_dev *dev = dev_id;
707
708         /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
709         unsigned int intsts = dm_readb(DM1105_INTSTS);
710         dm_writeb(DM1105_INTSTS, intsts);
711
712         switch (intsts) {
713         case INTSTS_TSIRQ:
714         case (INTSTS_TSIRQ | INTSTS_IR):
715                 dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
716                 queue_work(dev->wq, &dev->work);
717                 break;
718         case INTSTS_IR:
719                 dev->ir.ir_command = dm_readl(DM1105_IRCODE);
720                 schedule_work(&dev->ir.work);
721                 break;
722         }
723
724         return IRQ_HANDLED;
725 }
726
727 static int dm1105_ir_init(struct dm1105_dev *dm1105)
728 {
729         struct rc_dev *dev;
730         int err = -ENOMEM;
731
732         dev = rc_allocate_device(RC_DRIVER_SCANCODE);
733         if (!dev)
734                 return -ENOMEM;
735
736         snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
737                 "pci-%s/ir0", pci_name(dm1105->pdev));
738
739         dev->driver_name = MODULE_NAME;
740         dev->map_name = RC_MAP_DM1105_NEC;
741         dev->device_name = "DVB on-card IR receiver";
742         dev->input_phys = dm1105->ir.input_phys;
743         dev->input_id.bustype = BUS_PCI;
744         dev->input_id.version = 1;
745         if (dm1105->pdev->subsystem_vendor) {
746                 dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
747                 dev->input_id.product = dm1105->pdev->subsystem_device;
748         } else {
749                 dev->input_id.vendor = dm1105->pdev->vendor;
750                 dev->input_id.product = dm1105->pdev->device;
751         }
752         dev->dev.parent = &dm1105->pdev->dev;
753
754         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
755
756         err = rc_register_device(dev);
757         if (err < 0) {
758                 rc_free_device(dev);
759                 return err;
760         }
761
762         dm1105->ir.dev = dev;
763         return 0;
764 }
765
766 static void dm1105_ir_exit(struct dm1105_dev *dm1105)
767 {
768         rc_unregister_device(dm1105->ir.dev);
769 }
770
771 static int dm1105_hw_init(struct dm1105_dev *dev)
772 {
773         dm1105_disable_irqs(dev);
774
775         dm_writeb(DM1105_HOST_CTR, 0);
776
777         /*DATALEN 188,*/
778         dm_writeb(DM1105_DTALENTH, 188);
779         /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
780         dm_writew(DM1105_TSCTR, 0xc10a);
781
782         /* map DMA and set address */
783         dm1105_dma_map(dev);
784         dm1105_set_dma_addr(dev);
785         /* big buffer */
786         dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
787         dm_writeb(DM1105_INTCNT, 47);
788
789         /* IR NEC mode enable */
790         dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
791         dm_writeb(DM1105_IRMODE, 0);
792         dm_writew(DM1105_SYSTEMCODE, 0);
793
794         return 0;
795 }
796
797 static void dm1105_hw_exit(struct dm1105_dev *dev)
798 {
799         dm1105_disable_irqs(dev);
800
801         /* IR disable */
802         dm_writeb(DM1105_IRCTR, 0);
803         dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
804
805         dm1105_dma_unmap(dev);
806 }
807
808 static const struct stv0299_config sharp_z0194a_config = {
809         .demod_address = 0x68,
810         .inittab = sharp_z0194a_inittab,
811         .mclk = 88000000UL,
812         .invert = 1,
813         .skip_reinit = 0,
814         .lock_output = STV0299_LOCKOUTPUT_1,
815         .volt13_op0_op1 = STV0299_VOLT13_OP1,
816         .min_delay_ms = 100,
817         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
818 };
819
820 static struct stv0288_config earda_config = {
821         .demod_address = 0x68,
822         .min_delay_ms = 100,
823 };
824
825 static struct si21xx_config serit_config = {
826         .demod_address = 0x68,
827         .min_delay_ms = 100,
828
829 };
830
831 static struct cx24116_config serit_sp2633_config = {
832         .demod_address = 0x55,
833 };
834
835 static struct ds3000_config dvbworld_ds3000_config = {
836         .demod_address = 0x68,
837 };
838
839 static struct ts2020_config dvbworld_ts2020_config  = {
840         .tuner_address = 0x60,
841         .clk_out_div = 1,
842 };
843
844 static int frontend_init(struct dm1105_dev *dev)
845 {
846         int ret;
847
848         switch (dev->boardnr) {
849         case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
850                 dm1105_gpio_enable(dev, GPIO15, 1);
851                 dm1105_gpio_clear(dev, GPIO15);
852                 msleep(100);
853                 dm1105_gpio_set(dev, GPIO15);
854                 msleep(200);
855                 dev->fe = dvb_attach(
856                         stv0299_attach, &sharp_z0194a_config,
857                         &dev->i2c_bb_adap);
858                 if (dev->fe) {
859                         dev->fe->ops.set_voltage = dm1105_set_voltage;
860                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
861                                         &dev->i2c_bb_adap, DVB_PLL_OPERA1);
862                         break;
863                 }
864
865                 dev->fe = dvb_attach(
866                         stv0288_attach, &earda_config,
867                         &dev->i2c_bb_adap);
868                 if (dev->fe) {
869                         dev->fe->ops.set_voltage = dm1105_set_voltage;
870                         dvb_attach(stb6000_attach, dev->fe, 0x61,
871                                         &dev->i2c_bb_adap);
872                         break;
873                 }
874
875                 dev->fe = dvb_attach(
876                         si21xx_attach, &serit_config,
877                         &dev->i2c_bb_adap);
878                 if (dev->fe)
879                         dev->fe->ops.set_voltage = dm1105_set_voltage;
880                 break;
881         case DM1105_BOARD_DVBWORLD_2004:
882                 dev->fe = dvb_attach(
883                         cx24116_attach, &serit_sp2633_config,
884                         &dev->i2c_adap);
885                 if (dev->fe) {
886                         dev->fe->ops.set_voltage = dm1105_set_voltage;
887                         break;
888                 }
889
890                 dev->fe = dvb_attach(
891                         ds3000_attach, &dvbworld_ds3000_config,
892                         &dev->i2c_adap);
893                 if (dev->fe) {
894                         dvb_attach(ts2020_attach, dev->fe,
895                                 &dvbworld_ts2020_config, &dev->i2c_adap);
896                         dev->fe->ops.set_voltage = dm1105_set_voltage;
897                 }
898
899                 break;
900         case DM1105_BOARD_DVBWORLD_2002:
901         case DM1105_BOARD_AXESS_DM05:
902         default:
903                 dev->fe = dvb_attach(
904                         stv0299_attach, &sharp_z0194a_config,
905                         &dev->i2c_adap);
906                 if (dev->fe) {
907                         dev->fe->ops.set_voltage = dm1105_set_voltage;
908                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
909                                         &dev->i2c_adap, DVB_PLL_OPERA1);
910                         break;
911                 }
912
913                 dev->fe = dvb_attach(
914                         stv0288_attach, &earda_config,
915                         &dev->i2c_adap);
916                 if (dev->fe) {
917                         dev->fe->ops.set_voltage = dm1105_set_voltage;
918                         dvb_attach(stb6000_attach, dev->fe, 0x61,
919                                         &dev->i2c_adap);
920                         break;
921                 }
922
923                 dev->fe = dvb_attach(
924                         si21xx_attach, &serit_config,
925                         &dev->i2c_adap);
926                 if (dev->fe)
927                         dev->fe->ops.set_voltage = dm1105_set_voltage;
928
929         }
930
931         if (!dev->fe) {
932                 dev_err(&dev->pdev->dev, "could not attach frontend\n");
933                 return -ENODEV;
934         }
935
936         ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
937         if (ret < 0) {
938                 if (dev->fe->ops.release)
939                         dev->fe->ops.release(dev->fe);
940                 dev->fe = NULL;
941                 return ret;
942         }
943
944         return 0;
945 }
946
947 static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
948 {
949         static u8 command[1] = { 0x28 };
950
951         struct i2c_msg msg[] = {
952                 {
953                         .addr = IIC_24C01_addr >> 1,
954                         .flags = 0,
955                         .buf = command,
956                         .len = 1
957                 }, {
958                         .addr = IIC_24C01_addr >> 1,
959                         .flags = I2C_M_RD,
960                         .buf = mac,
961                         .len = 6
962                 },
963         };
964
965         dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
966         dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
967 }
968
969 static int dm1105_probe(struct pci_dev *pdev,
970                                   const struct pci_device_id *ent)
971 {
972         struct dm1105_dev *dev;
973         struct dvb_adapter *dvb_adapter;
974         struct dvb_demux *dvbdemux;
975         struct dmx_demux *dmx;
976         int ret = -ENOMEM;
977         int i;
978
979         if (dm1105_devcount >= ARRAY_SIZE(card))
980                 return -ENODEV;
981
982         dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
983         if (!dev)
984                 return -ENOMEM;
985
986         /* board config */
987         dev->nr = dm1105_devcount;
988         dev->boardnr = UNSET;
989         if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
990                 dev->boardnr = card[dev->nr];
991         for (i = 0; UNSET == dev->boardnr &&
992                                 i < ARRAY_SIZE(dm1105_subids); i++)
993                 if (pdev->subsystem_vendor ==
994                         dm1105_subids[i].subvendor &&
995                                 pdev->subsystem_device ==
996                                         dm1105_subids[i].subdevice)
997                         dev->boardnr = dm1105_subids[i].card;
998
999         if (UNSET == dev->boardnr) {
1000                 dev->boardnr = DM1105_BOARD_UNKNOWN;
1001                 dm1105_card_list(pdev);
1002         }
1003
1004         dm1105_devcount++;
1005         dev->pdev = pdev;
1006         dev->buffer_size = 5 * DM1105_DMA_BYTES;
1007         dev->PacketErrorCount = 0;
1008         dev->dmarst = 0;
1009
1010         ret = pci_enable_device(pdev);
1011         if (ret < 0)
1012                 goto err_kfree;
1013
1014         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1015         if (ret < 0)
1016                 goto err_pci_disable_device;
1017
1018         pci_set_master(pdev);
1019
1020         ret = pci_request_regions(pdev, DRIVER_NAME);
1021         if (ret < 0)
1022                 goto err_pci_disable_device;
1023
1024         dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1025         if (!dev->io_mem) {
1026                 ret = -EIO;
1027                 goto err_pci_release_regions;
1028         }
1029
1030         spin_lock_init(&dev->lock);
1031         pci_set_drvdata(pdev, dev);
1032
1033         ret = dm1105_hw_init(dev);
1034         if (ret < 0)
1035                 goto err_pci_iounmap;
1036
1037         /* i2c */
1038         i2c_set_adapdata(&dev->i2c_adap, dev);
1039         strscpy(dev->i2c_adap.name, DRIVER_NAME, sizeof(dev->i2c_adap.name));
1040         dev->i2c_adap.owner = THIS_MODULE;
1041         dev->i2c_adap.dev.parent = &pdev->dev;
1042         dev->i2c_adap.algo = &dm1105_algo;
1043         dev->i2c_adap.algo_data = dev;
1044         ret = i2c_add_adapter(&dev->i2c_adap);
1045
1046         if (ret < 0)
1047                 goto err_dm1105_hw_exit;
1048
1049         i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1050         strscpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME,
1051                 sizeof(dev->i2c_bb_adap.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 = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1118         if (ret < 0)
1119                 goto err_disconnect_frontend;
1120
1121         ret = frontend_init(dev);
1122         if (ret < 0)
1123                 goto err_dvb_net;
1124
1125         dm1105_ir_init(dev);
1126
1127         INIT_WORK(&dev->work, dm1105_dmx_buffer);
1128         sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1129         dev->wq = create_singlethread_workqueue(dev->wqn);
1130         if (!dev->wq) {
1131                 ret = -ENOMEM;
1132                 goto err_dvb_net;
1133         }
1134
1135         ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1136                                                 DRIVER_NAME, dev);
1137         if (ret < 0)
1138                 goto err_workqueue;
1139
1140         return 0;
1141
1142 err_workqueue:
1143         destroy_workqueue(dev->wq);
1144 err_dvb_net:
1145         dvb_net_release(&dev->dvbnet);
1146 err_disconnect_frontend:
1147         dmx->disconnect_frontend(dmx);
1148 err_remove_mem_frontend:
1149         dmx->remove_frontend(dmx, &dev->mem_frontend);
1150 err_remove_hw_frontend:
1151         dmx->remove_frontend(dmx, &dev->hw_frontend);
1152 err_dvb_dmxdev_release:
1153         dvb_dmxdev_release(&dev->dmxdev);
1154 err_dvb_dmx_release:
1155         dvb_dmx_release(dvbdemux);
1156 err_dvb_unregister_adapter:
1157         dvb_unregister_adapter(dvb_adapter);
1158 err_i2c_del_adapters:
1159         i2c_del_adapter(&dev->i2c_bb_adap);
1160 err_i2c_del_adapter:
1161         i2c_del_adapter(&dev->i2c_adap);
1162 err_dm1105_hw_exit:
1163         dm1105_hw_exit(dev);
1164 err_pci_iounmap:
1165         pci_iounmap(pdev, dev->io_mem);
1166 err_pci_release_regions:
1167         pci_release_regions(pdev);
1168 err_pci_disable_device:
1169         pci_disable_device(pdev);
1170 err_kfree:
1171         kfree(dev);
1172         return ret;
1173 }
1174
1175 static void dm1105_remove(struct pci_dev *pdev)
1176 {
1177         struct dm1105_dev *dev = pci_get_drvdata(pdev);
1178         struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1179         struct dvb_demux *dvbdemux = &dev->demux;
1180         struct dmx_demux *dmx = &dvbdemux->dmx;
1181
1182         dm1105_ir_exit(dev);
1183         dmx->close(dmx);
1184         dvb_net_release(&dev->dvbnet);
1185         if (dev->fe)
1186                 dvb_unregister_frontend(dev->fe);
1187
1188         dmx->disconnect_frontend(dmx);
1189         dmx->remove_frontend(dmx, &dev->mem_frontend);
1190         dmx->remove_frontend(dmx, &dev->hw_frontend);
1191         dvb_dmxdev_release(&dev->dmxdev);
1192         dvb_dmx_release(dvbdemux);
1193         dvb_unregister_adapter(dvb_adapter);
1194         i2c_del_adapter(&dev->i2c_adap);
1195
1196         dm1105_hw_exit(dev);
1197         free_irq(pdev->irq, dev);
1198         pci_iounmap(pdev, dev->io_mem);
1199         pci_release_regions(pdev);
1200         pci_disable_device(pdev);
1201         dm1105_devcount--;
1202         kfree(dev);
1203 }
1204
1205 static const struct pci_device_id dm1105_id_table[] = {
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 = dm1105_remove,
1228 };
1229
1230 module_pci_driver(dm1105_driver);
1231
1232 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1233 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1234 MODULE_LICENSE("GPL");