Linux-libre 4.19.116-gnu
[librecmc/linux-libre.git] / drivers / media / pci / 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  */
17
18 #include <linux/i2c.h>
19 #include <linux/i2c-algo-bit.h>
20 #include <linux/init.h>
21 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/module.h>
24 #include <linux/proc_fs.h>
25 #include <linux/pci.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/slab.h>
28 #include <media/rc-core.h>
29
30 #include <media/demux.h>
31 #include <media/dmxdev.h>
32 #include <media/dvb_demux.h>
33 #include <media/dvb_frontend.h>
34 #include <media/dvb_net.h>
35 #include <media/dvbdev.h>
36 #include "dvb-pll.h"
37
38 #include "stv0299.h"
39 #include "stv0288.h"
40 #include "stb6000.h"
41 #include "si21xx.h"
42 #include "cx24116.h"
43 #include "z0194a.h"
44 #include "ts2020.h"
45 #include "ds3000.h"
46
47 #define MODULE_NAME "dm1105"
48
49 #define UNSET (-1U)
50
51 #define DM1105_BOARD_NOAUTO                     UNSET
52 #define DM1105_BOARD_UNKNOWN                    0
53 #define DM1105_BOARD_DVBWORLD_2002              1
54 #define DM1105_BOARD_DVBWORLD_2004              2
55 #define DM1105_BOARD_AXESS_DM05                 3
56 #define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO      4
57
58 /* ----------------------------------------------- */
59 /*
60  * PCI ID's
61  */
62 #ifndef PCI_VENDOR_ID_TRIGEM
63 #define PCI_VENDOR_ID_TRIGEM    0x109f
64 #endif
65 #ifndef PCI_VENDOR_ID_AXESS
66 #define PCI_VENDOR_ID_AXESS     0x195d
67 #endif
68 #ifndef PCI_DEVICE_ID_DM1105
69 #define PCI_DEVICE_ID_DM1105    0x036f
70 #endif
71 #ifndef PCI_DEVICE_ID_DW2002
72 #define PCI_DEVICE_ID_DW2002    0x2002
73 #endif
74 #ifndef PCI_DEVICE_ID_DW2004
75 #define PCI_DEVICE_ID_DW2004    0x2004
76 #endif
77 #ifndef PCI_DEVICE_ID_DM05
78 #define PCI_DEVICE_ID_DM05      0x1105
79 #endif
80 /* ----------------------------------------------- */
81 /* sdmc dm1105 registers */
82
83 /* TS Control */
84 #define DM1105_TSCTR                            0x00
85 #define DM1105_DTALENTH                         0x04
86
87 /* GPIO Interface */
88 #define DM1105_GPIOVAL                          0x08
89 #define DM1105_GPIOCTR                          0x0c
90
91 /* PID serial number */
92 #define DM1105_PIDN                             0x10
93
94 /* Odd-even secret key select */
95 #define DM1105_CWSEL                            0x14
96
97 /* Host Command Interface */
98 #define DM1105_HOST_CTR                         0x18
99 #define DM1105_HOST_AD                          0x1c
100
101 /* PCI Interface */
102 #define DM1105_CR                               0x30
103 #define DM1105_RST                              0x34
104 #define DM1105_STADR                            0x38
105 #define DM1105_RLEN                             0x3c
106 #define DM1105_WRP                              0x40
107 #define DM1105_INTCNT                           0x44
108 #define DM1105_INTMAK                           0x48
109 #define DM1105_INTSTS                           0x4c
110
111 /* CW Value */
112 #define DM1105_ODD                              0x50
113 #define DM1105_EVEN                             0x58
114
115 /* PID Value */
116 #define DM1105_PID                              0x60
117
118 /* IR Control */
119 #define DM1105_IRCTR                            0x64
120 #define DM1105_IRMODE                           0x68
121 #define DM1105_SYSTEMCODE                       0x6c
122 #define DM1105_IRCODE                           0x70
123
124 /* Unknown Values */
125 #define DM1105_ENCRYPT                          0x74
126 #define DM1105_VER                              0x7c
127
128 /* I2C Interface */
129 #define DM1105_I2CCTR                           0x80
130 #define DM1105_I2CSTS                           0x81
131 #define DM1105_I2CDAT                           0x82
132 #define DM1105_I2C_RA                           0x83
133 /* ----------------------------------------------- */
134 /* Interrupt Mask Bits */
135
136 #define INTMAK_TSIRQM                           0x01
137 #define INTMAK_HIRQM                            0x04
138 #define INTMAK_IRM                              0x08
139 #define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
140                                                 INTMAK_HIRQM | \
141                                                 INTMAK_IRM)
142 #define INTMAK_NONEMASK                         0x00
143
144 /* Interrupt Status Bits */
145 #define INTSTS_TSIRQ                            0x01
146 #define INTSTS_HIRQ                             0x04
147 #define INTSTS_IR                               0x08
148
149 /* IR Control Bits */
150 #define DM1105_IR_EN                            0x01
151 #define DM1105_SYS_CHK                          0x02
152 #define DM1105_REP_FLG                          0x08
153
154 /* EEPROM addr */
155 #define IIC_24C01_addr                          0xa0
156 /* Max board count */
157 #define DM1105_MAX                              0x04
158
159 #define DRIVER_NAME                             "dm1105"
160 #define DM1105_I2C_GPIO_NAME                    "dm1105-gpio"
161
162 #define DM1105_DMA_PACKETS                      47
163 #define DM1105_DMA_PACKET_LENGTH                (128*4)
164 #define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
165
166 /*  */
167 #define GPIO08                                  (1 << 8)
168 #define GPIO13                                  (1 << 13)
169 #define GPIO14                                  (1 << 14)
170 #define GPIO15                                  (1 << 15)
171 #define GPIO16                                  (1 << 16)
172 #define GPIO17                                  (1 << 17)
173 #define GPIO_ALL                                0x03ffff
174
175 /* GPIO's for LNB power control */
176 #define DM1105_LNB_MASK                         (GPIO_ALL & ~(GPIO14 | GPIO13))
177 #define DM1105_LNB_OFF                          GPIO17
178 #define DM1105_LNB_13V                          (GPIO16 | GPIO08)
179 #define DM1105_LNB_18V                          GPIO08
180
181 /* GPIO's for LNB power control for Axess DM05 */
182 #define DM05_LNB_MASK                           (GPIO_ALL & ~(GPIO14 | GPIO13))
183 #define DM05_LNB_OFF                            GPIO17/* actually 13v */
184 #define DM05_LNB_13V                            GPIO17
185 #define DM05_LNB_18V                            (GPIO17 | GPIO16)
186
187 /* GPIO's for LNB power control for unbranded with I2C on GPIO */
188 #define UNBR_LNB_MASK                           (GPIO17 | GPIO16)
189 #define UNBR_LNB_OFF                            0
190 #define UNBR_LNB_13V                            GPIO17
191 #define UNBR_LNB_18V                            (GPIO17 | GPIO16)
192
193 static unsigned int card[]  = {[0 ... 3] = UNSET };
194 module_param_array(card,  int, NULL, 0444);
195 MODULE_PARM_DESC(card, "card type");
196
197 static int ir_debug;
198 module_param(ir_debug, int, 0644);
199 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
200
201 static unsigned int dm1105_devcount;
202
203 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
204
205 struct dm1105_board {
206         char    *name;
207         struct  {
208                 u32     mask, off, v13, v18;
209         } lnb;
210         u32     gpio_scl, gpio_sda;
211 };
212
213 struct dm1105_subid {
214         u16     subvendor;
215         u16     subdevice;
216         u32     card;
217 };
218
219 static const struct dm1105_board dm1105_boards[] = {
220         [DM1105_BOARD_UNKNOWN] = {
221                 .name           = "UNKNOWN/GENERIC",
222                 .lnb = {
223                         .mask = DM1105_LNB_MASK,
224                         .off = DM1105_LNB_OFF,
225                         .v13 = DM1105_LNB_13V,
226                         .v18 = DM1105_LNB_18V,
227                 },
228         },
229         [DM1105_BOARD_DVBWORLD_2002] = {
230                 .name           = "DVBWorld PCI 2002",
231                 .lnb = {
232                         .mask = DM1105_LNB_MASK,
233                         .off = DM1105_LNB_OFF,
234                         .v13 = DM1105_LNB_13V,
235                         .v18 = DM1105_LNB_18V,
236                 },
237         },
238         [DM1105_BOARD_DVBWORLD_2004] = {
239                 .name           = "DVBWorld PCI 2004",
240                 .lnb = {
241                         .mask = DM1105_LNB_MASK,
242                         .off = DM1105_LNB_OFF,
243                         .v13 = DM1105_LNB_13V,
244                         .v18 = DM1105_LNB_18V,
245                 },
246         },
247         [DM1105_BOARD_AXESS_DM05] = {
248                 .name           = "Axess/EasyTv DM05",
249                 .lnb = {
250                         .mask = DM05_LNB_MASK,
251                         .off = DM05_LNB_OFF,
252                         .v13 = DM05_LNB_13V,
253                         .v18 = DM05_LNB_18V,
254                 },
255         },
256         [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
257                 .name           = "Unbranded DM1105 with i2c on GPIOs",
258                 .lnb = {
259                         .mask = UNBR_LNB_MASK,
260                         .off = UNBR_LNB_OFF,
261                         .v13 = UNBR_LNB_13V,
262                         .v18 = UNBR_LNB_18V,
263                 },
264                 .gpio_scl       = GPIO14,
265                 .gpio_sda       = GPIO13,
266         },
267 };
268
269 static const struct dm1105_subid dm1105_subids[] = {
270         {
271                 .subvendor = 0x0000,
272                 .subdevice = 0x2002,
273                 .card      = DM1105_BOARD_DVBWORLD_2002,
274         }, {
275                 .subvendor = 0x0001,
276                 .subdevice = 0x2002,
277                 .card      = DM1105_BOARD_DVBWORLD_2002,
278         }, {
279                 .subvendor = 0x0000,
280                 .subdevice = 0x2004,
281                 .card      = DM1105_BOARD_DVBWORLD_2004,
282         }, {
283                 .subvendor = 0x0001,
284                 .subdevice = 0x2004,
285                 .card      = DM1105_BOARD_DVBWORLD_2004,
286         }, {
287                 .subvendor = 0x195d,
288                 .subdevice = 0x1105,
289                 .card      = DM1105_BOARD_AXESS_DM05,
290         },
291 };
292
293 static void dm1105_card_list(struct pci_dev *pci)
294 {
295         int i;
296
297         if (0 == pci->subsystem_vendor &&
298                         0 == pci->subsystem_device) {
299                 printk(KERN_ERR
300                         "dm1105: Your board has no valid PCI Subsystem ID\n"
301                         "dm1105: and thus can't be autodetected\n"
302                         "dm1105: Please pass card=<n> insmod option to\n"
303                         "dm1105: workaround that.  Redirect complaints to\n"
304                         "dm1105: the vendor of the TV card.  Best regards,\n"
305                         "dm1105: -- tux\n");
306         } else {
307                 printk(KERN_ERR
308                         "dm1105: Your board isn't known (yet) to the driver.\n"
309                         "dm1105: You can try to pick one of the existing\n"
310                         "dm1105: card configs via card=<n> insmod option.\n"
311                         "dm1105: Updating to the latest version might help\n"
312                         "dm1105: as well.\n");
313         }
314         printk(KERN_ERR "Here is a list of valid choices for the card=<n> insmod option:\n");
315         for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
316                 printk(KERN_ERR "dm1105:    card=%d -> %s\n",
317                                 i, dm1105_boards[i].name);
318 }
319
320 /* infrared remote control */
321 struct infrared {
322         struct rc_dev           *dev;
323         char                    input_phys[32];
324         struct work_struct      work;
325         u32                     ir_command;
326 };
327
328 struct dm1105_dev {
329         /* pci */
330         struct pci_dev *pdev;
331         u8 __iomem *io_mem;
332
333         /* ir */
334         struct infrared ir;
335
336         /* dvb */
337         struct dmx_frontend hw_frontend;
338         struct dmx_frontend mem_frontend;
339         struct dmxdev dmxdev;
340         struct dvb_adapter dvb_adapter;
341         struct dvb_demux demux;
342         struct dvb_frontend *fe;
343         struct dvb_net dvbnet;
344         unsigned int full_ts_users;
345         unsigned int boardnr;
346         int nr;
347
348         /* i2c */
349         struct i2c_adapter i2c_adap;
350         struct i2c_adapter i2c_bb_adap;
351         struct i2c_algo_bit_data i2c_bit;
352
353         /* irq */
354         struct work_struct work;
355         struct workqueue_struct *wq;
356         char wqn[16];
357
358         /* dma */
359         dma_addr_t dma_addr;
360         unsigned char *ts_buf;
361         u32 wrp;
362         u32 nextwrp;
363         u32 buffer_size;
364         unsigned int    PacketErrorCount;
365         unsigned int dmarst;
366         spinlock_t lock;
367 };
368
369 #define dm_io_mem(reg)  ((unsigned long)(&dev->io_mem[reg]))
370
371 #define dm_readb(reg)           inb(dm_io_mem(reg))
372 #define dm_writeb(reg, value)   outb((value), (dm_io_mem(reg)))
373
374 #define dm_readw(reg)           inw(dm_io_mem(reg))
375 #define dm_writew(reg, value)   outw((value), (dm_io_mem(reg)))
376
377 #define dm_readl(reg)           inl(dm_io_mem(reg))
378 #define dm_writel(reg, value)   outl((value), (dm_io_mem(reg)))
379
380 #define dm_andorl(reg, mask, value) \
381         outl((inl(dm_io_mem(reg)) & ~(mask)) |\
382                 ((value) & (mask)), (dm_io_mem(reg)))
383
384 #define dm_setl(reg, bit)       dm_andorl((reg), (bit), (bit))
385 #define dm_clearl(reg, bit)     dm_andorl((reg), (bit), 0)
386
387 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
388  so we can use only 3 GPIO's from GPIO15 to GPIO17.
389  Here I don't check whether HOST is enebled as it is not implemented yet.
390  */
391 static void dm1105_gpio_set(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_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
398
399 }
400
401 static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
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_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
408
409 }
410
411 static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
412 {
413         if (mask & 0xfffc0000)
414                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
415
416         if (mask & 0x0003ffff)
417                 dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
418
419 }
420
421 static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
422 {
423         if (mask & 0xfffc0000)
424                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
425
426         if (mask & 0x0003ffff)
427                 return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
428
429         return 0;
430 }
431
432 static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
433 {
434         if (mask & 0xfffc0000)
435                 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
436
437         if ((mask & 0x0003ffff) && asoutput)
438                 dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
439         else if ((mask & 0x0003ffff) && !asoutput)
440                 dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
441
442 }
443
444 static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
445 {
446         if (state)
447                 dm1105_gpio_enable(dev, line, 0);
448         else {
449                 dm1105_gpio_enable(dev, line, 1);
450                 dm1105_gpio_clear(dev, line);
451         }
452 }
453
454 static void dm1105_setsda(void *data, int state)
455 {
456         struct dm1105_dev *dev = data;
457
458         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
459 }
460
461 static void dm1105_setscl(void *data, int state)
462 {
463         struct dm1105_dev *dev = data;
464
465         dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
466 }
467
468 static int dm1105_getsda(void *data)
469 {
470         struct dm1105_dev *dev = data;
471
472         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
473                                                                         ? 1 : 0;
474 }
475
476 static int dm1105_getscl(void *data)
477 {
478         struct dm1105_dev *dev = data;
479
480         return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
481                                                                         ? 1 : 0;
482 }
483
484 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
485                             struct i2c_msg *msgs, int num)
486 {
487         struct dm1105_dev *dev ;
488
489         int addr, rc, i, j, k, len, byte, data;
490         u8 status;
491
492         dev = i2c_adap->algo_data;
493         for (i = 0; i < num; i++) {
494                 dm_writeb(DM1105_I2CCTR, 0x00);
495                 if (msgs[i].flags & I2C_M_RD) {
496                         /* read bytes */
497                         addr  = msgs[i].addr << 1;
498                         addr |= 1;
499                         dm_writeb(DM1105_I2CDAT, addr);
500                         for (byte = 0; byte < msgs[i].len; byte++)
501                                 dm_writeb(DM1105_I2CDAT + byte + 1, 0);
502
503                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
504                         for (j = 0; j < 55; j++) {
505                                 mdelay(10);
506                                 status = dm_readb(DM1105_I2CSTS);
507                                 if ((status & 0xc0) == 0x40)
508                                         break;
509                         }
510                         if (j >= 55)
511                                 return -1;
512
513                         for (byte = 0; byte < msgs[i].len; byte++) {
514                                 rc = dm_readb(DM1105_I2CDAT + byte + 1);
515                                 if (rc < 0)
516                                         goto err;
517                                 msgs[i].buf[byte] = rc;
518                         }
519                 } else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
520                         /* prepaired for cx24116 firmware */
521                         /* Write in small blocks */
522                         len = msgs[i].len - 1;
523                         k = 1;
524                         do {
525                                 dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
526                                 dm_writeb(DM1105_I2CDAT + 1, 0xf7);
527                                 for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
528                                         data = msgs[i].buf[k + byte];
529                                         dm_writeb(DM1105_I2CDAT + byte + 2, data);
530                                 }
531                                 dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
532                                 for (j = 0; j < 25; j++) {
533                                         mdelay(10);
534                                         status = dm_readb(DM1105_I2CSTS);
535                                         if ((status & 0xc0) == 0x40)
536                                                 break;
537                                 }
538
539                                 if (j >= 25)
540                                         return -1;
541
542                                 k += 48;
543                                 len -= 48;
544                         } while (len > 0);
545                 } else {
546                         /* write bytes */
547                         dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
548                         for (byte = 0; byte < msgs[i].len; byte++) {
549                                 data = msgs[i].buf[byte];
550                                 dm_writeb(DM1105_I2CDAT + byte + 1, data);
551                         }
552                         dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
553                         for (j = 0; j < 25; j++) {
554                                 mdelay(10);
555                                 status = dm_readb(DM1105_I2CSTS);
556                                 if ((status & 0xc0) == 0x40)
557                                         break;
558                         }
559
560                         if (j >= 25)
561                                 return -1;
562                 }
563         }
564         return num;
565  err:
566         return rc;
567 }
568
569 static u32 functionality(struct i2c_adapter *adap)
570 {
571         return I2C_FUNC_I2C;
572 }
573
574 static const struct i2c_algorithm dm1105_algo = {
575         .master_xfer   = dm1105_i2c_xfer,
576         .functionality = functionality,
577 };
578
579 static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
580 {
581         return container_of(feed->demux, struct dm1105_dev, demux);
582 }
583
584 static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
585 {
586         return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
587 }
588
589 static int dm1105_set_voltage(struct dvb_frontend *fe,
590                               enum fe_sec_voltage voltage)
591 {
592         struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
593
594         dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
595         if (voltage == SEC_VOLTAGE_18)
596                 dm1105_gpio_andor(dev,
597                                 dm1105_boards[dev->boardnr].lnb.mask,
598                                 dm1105_boards[dev->boardnr].lnb.v18);
599         else if (voltage == SEC_VOLTAGE_13)
600                 dm1105_gpio_andor(dev,
601                                 dm1105_boards[dev->boardnr].lnb.mask,
602                                 dm1105_boards[dev->boardnr].lnb.v13);
603         else
604                 dm1105_gpio_andor(dev,
605                                 dm1105_boards[dev->boardnr].lnb.mask,
606                                 dm1105_boards[dev->boardnr].lnb.off);
607
608         return 0;
609 }
610
611 static void dm1105_set_dma_addr(struct dm1105_dev *dev)
612 {
613         dm_writel(DM1105_STADR, (__force u32)cpu_to_le32(dev->dma_addr));
614 }
615
616 static int dm1105_dma_map(struct dm1105_dev *dev)
617 {
618         dev->ts_buf = pci_alloc_consistent(dev->pdev,
619                                         6 * DM1105_DMA_BYTES,
620                                         &dev->dma_addr);
621
622         return !dev->ts_buf;
623 }
624
625 static void dm1105_dma_unmap(struct dm1105_dev *dev)
626 {
627         pci_free_consistent(dev->pdev,
628                         6 * DM1105_DMA_BYTES,
629                         dev->ts_buf,
630                         dev->dma_addr);
631 }
632
633 static void dm1105_enable_irqs(struct dm1105_dev *dev)
634 {
635         dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
636         dm_writeb(DM1105_CR, 1);
637 }
638
639 static void dm1105_disable_irqs(struct dm1105_dev *dev)
640 {
641         dm_writeb(DM1105_INTMAK, INTMAK_IRM);
642         dm_writeb(DM1105_CR, 0);
643 }
644
645 static int dm1105_start_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_enable_irqs(dev);
651
652         return 0;
653 }
654
655 static int dm1105_stop_feed(struct dvb_demux_feed *f)
656 {
657         struct dm1105_dev *dev = feed_to_dm1105_dev(f);
658
659         if (--dev->full_ts_users == 0)
660                 dm1105_disable_irqs(dev);
661
662         return 0;
663 }
664
665 /* ir work handler */
666 static void dm1105_emit_key(struct work_struct *work)
667 {
668         struct infrared *ir = container_of(work, struct infrared, work);
669         u32 ircom = ir->ir_command;
670         u8 data;
671
672         if (ir_debug)
673                 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
674
675         data = (ircom >> 8) & 0x7f;
676
677         /* FIXME: UNKNOWN because we don't generate a full NEC scancode (yet?) */
678         rc_keydown(ir->dev, RC_PROTO_UNKNOWN, data, 0);
679 }
680
681 /* work handler */
682 static void dm1105_dmx_buffer(struct work_struct *work)
683 {
684         struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
685         unsigned int nbpackets;
686         u32 oldwrp = dev->wrp;
687         u32 nextwrp = dev->nextwrp;
688
689         if (!((dev->ts_buf[oldwrp] == 0x47) &&
690                         (dev->ts_buf[oldwrp + 188] == 0x47) &&
691                         (dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
692                 dev->PacketErrorCount++;
693                 /* bad packet found */
694                 if ((dev->PacketErrorCount >= 2) &&
695                                 (dev->dmarst == 0)) {
696                         dm_writeb(DM1105_RST, 1);
697                         dev->wrp = 0;
698                         dev->PacketErrorCount = 0;
699                         dev->dmarst = 0;
700                         return;
701                 }
702         }
703
704         if (nextwrp < oldwrp) {
705                 memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
706                 nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
707         } else
708                 nbpackets = (nextwrp - oldwrp) / 188;
709
710         dev->wrp = nextwrp;
711         dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
712 }
713
714 static irqreturn_t dm1105_irq(int irq, void *dev_id)
715 {
716         struct dm1105_dev *dev = dev_id;
717
718         /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
719         unsigned int intsts = dm_readb(DM1105_INTSTS);
720         dm_writeb(DM1105_INTSTS, intsts);
721
722         switch (intsts) {
723         case INTSTS_TSIRQ:
724         case (INTSTS_TSIRQ | INTSTS_IR):
725                 dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
726                 queue_work(dev->wq, &dev->work);
727                 break;
728         case INTSTS_IR:
729                 dev->ir.ir_command = dm_readl(DM1105_IRCODE);
730                 schedule_work(&dev->ir.work);
731                 break;
732         }
733
734         return IRQ_HANDLED;
735 }
736
737 static int dm1105_ir_init(struct dm1105_dev *dm1105)
738 {
739         struct rc_dev *dev;
740         int err = -ENOMEM;
741
742         dev = rc_allocate_device(RC_DRIVER_SCANCODE);
743         if (!dev)
744                 return -ENOMEM;
745
746         snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
747                 "pci-%s/ir0", pci_name(dm1105->pdev));
748
749         dev->driver_name = MODULE_NAME;
750         dev->map_name = RC_MAP_DM1105_NEC;
751         dev->device_name = "DVB on-card IR receiver";
752         dev->input_phys = dm1105->ir.input_phys;
753         dev->input_id.bustype = BUS_PCI;
754         dev->input_id.version = 1;
755         if (dm1105->pdev->subsystem_vendor) {
756                 dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
757                 dev->input_id.product = dm1105->pdev->subsystem_device;
758         } else {
759                 dev->input_id.vendor = dm1105->pdev->vendor;
760                 dev->input_id.product = dm1105->pdev->device;
761         }
762         dev->dev.parent = &dm1105->pdev->dev;
763
764         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
765
766         err = rc_register_device(dev);
767         if (err < 0) {
768                 rc_free_device(dev);
769                 return err;
770         }
771
772         dm1105->ir.dev = dev;
773         return 0;
774 }
775
776 static void dm1105_ir_exit(struct dm1105_dev *dm1105)
777 {
778         rc_unregister_device(dm1105->ir.dev);
779 }
780
781 static int dm1105_hw_init(struct dm1105_dev *dev)
782 {
783         dm1105_disable_irqs(dev);
784
785         dm_writeb(DM1105_HOST_CTR, 0);
786
787         /*DATALEN 188,*/
788         dm_writeb(DM1105_DTALENTH, 188);
789         /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
790         dm_writew(DM1105_TSCTR, 0xc10a);
791
792         /* map DMA and set address */
793         dm1105_dma_map(dev);
794         dm1105_set_dma_addr(dev);
795         /* big buffer */
796         dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
797         dm_writeb(DM1105_INTCNT, 47);
798
799         /* IR NEC mode enable */
800         dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
801         dm_writeb(DM1105_IRMODE, 0);
802         dm_writew(DM1105_SYSTEMCODE, 0);
803
804         return 0;
805 }
806
807 static void dm1105_hw_exit(struct dm1105_dev *dev)
808 {
809         dm1105_disable_irqs(dev);
810
811         /* IR disable */
812         dm_writeb(DM1105_IRCTR, 0);
813         dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
814
815         dm1105_dma_unmap(dev);
816 }
817
818 static const struct stv0299_config sharp_z0194a_config = {
819         .demod_address = 0x68,
820         .inittab = sharp_z0194a_inittab,
821         .mclk = 88000000UL,
822         .invert = 1,
823         .skip_reinit = 0,
824         .lock_output = STV0299_LOCKOUTPUT_1,
825         .volt13_op0_op1 = STV0299_VOLT13_OP1,
826         .min_delay_ms = 100,
827         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
828 };
829
830 static struct stv0288_config earda_config = {
831         .demod_address = 0x68,
832         .min_delay_ms = 100,
833 };
834
835 static struct si21xx_config serit_config = {
836         .demod_address = 0x68,
837         .min_delay_ms = 100,
838
839 };
840
841 static struct cx24116_config serit_sp2633_config = {
842         .demod_address = 0x55,
843 };
844
845 static struct ds3000_config dvbworld_ds3000_config = {
846         .demod_address = 0x68,
847 };
848
849 static struct ts2020_config dvbworld_ts2020_config  = {
850         .tuner_address = 0x60,
851         .clk_out_div = 1,
852 };
853
854 static int frontend_init(struct dm1105_dev *dev)
855 {
856         int ret;
857
858         switch (dev->boardnr) {
859         case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
860                 dm1105_gpio_enable(dev, GPIO15, 1);
861                 dm1105_gpio_clear(dev, GPIO15);
862                 msleep(100);
863                 dm1105_gpio_set(dev, GPIO15);
864                 msleep(200);
865                 dev->fe = dvb_attach(
866                         stv0299_attach, &sharp_z0194a_config,
867                         &dev->i2c_bb_adap);
868                 if (dev->fe) {
869                         dev->fe->ops.set_voltage = dm1105_set_voltage;
870                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
871                                         &dev->i2c_bb_adap, DVB_PLL_OPERA1);
872                         break;
873                 }
874
875                 dev->fe = dvb_attach(
876                         stv0288_attach, &earda_config,
877                         &dev->i2c_bb_adap);
878                 if (dev->fe) {
879                         dev->fe->ops.set_voltage = dm1105_set_voltage;
880                         dvb_attach(stb6000_attach, dev->fe, 0x61,
881                                         &dev->i2c_bb_adap);
882                         break;
883                 }
884
885                 dev->fe = dvb_attach(
886                         si21xx_attach, &serit_config,
887                         &dev->i2c_bb_adap);
888                 if (dev->fe)
889                         dev->fe->ops.set_voltage = dm1105_set_voltage;
890                 break;
891         case DM1105_BOARD_DVBWORLD_2004:
892                 dev->fe = dvb_attach(
893                         cx24116_attach, &serit_sp2633_config,
894                         &dev->i2c_adap);
895                 if (dev->fe) {
896                         dev->fe->ops.set_voltage = dm1105_set_voltage;
897                         break;
898                 }
899
900                 dev->fe = dvb_attach(
901                         ds3000_attach, &dvbworld_ds3000_config,
902                         &dev->i2c_adap);
903                 if (dev->fe) {
904                         dvb_attach(ts2020_attach, dev->fe,
905                                 &dvbworld_ts2020_config, &dev->i2c_adap);
906                         dev->fe->ops.set_voltage = dm1105_set_voltage;
907                 }
908
909                 break;
910         case DM1105_BOARD_DVBWORLD_2002:
911         case DM1105_BOARD_AXESS_DM05:
912         default:
913                 dev->fe = dvb_attach(
914                         stv0299_attach, &sharp_z0194a_config,
915                         &dev->i2c_adap);
916                 if (dev->fe) {
917                         dev->fe->ops.set_voltage = dm1105_set_voltage;
918                         dvb_attach(dvb_pll_attach, dev->fe, 0x60,
919                                         &dev->i2c_adap, DVB_PLL_OPERA1);
920                         break;
921                 }
922
923                 dev->fe = dvb_attach(
924                         stv0288_attach, &earda_config,
925                         &dev->i2c_adap);
926                 if (dev->fe) {
927                         dev->fe->ops.set_voltage = dm1105_set_voltage;
928                         dvb_attach(stb6000_attach, dev->fe, 0x61,
929                                         &dev->i2c_adap);
930                         break;
931                 }
932
933                 dev->fe = dvb_attach(
934                         si21xx_attach, &serit_config,
935                         &dev->i2c_adap);
936                 if (dev->fe)
937                         dev->fe->ops.set_voltage = dm1105_set_voltage;
938
939         }
940
941         if (!dev->fe) {
942                 dev_err(&dev->pdev->dev, "could not attach frontend\n");
943                 return -ENODEV;
944         }
945
946         ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
947         if (ret < 0) {
948                 if (dev->fe->ops.release)
949                         dev->fe->ops.release(dev->fe);
950                 dev->fe = NULL;
951                 return ret;
952         }
953
954         return 0;
955 }
956
957 static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
958 {
959         static u8 command[1] = { 0x28 };
960
961         struct i2c_msg msg[] = {
962                 {
963                         .addr = IIC_24C01_addr >> 1,
964                         .flags = 0,
965                         .buf = command,
966                         .len = 1
967                 }, {
968                         .addr = IIC_24C01_addr >> 1,
969                         .flags = I2C_M_RD,
970                         .buf = mac,
971                         .len = 6
972                 },
973         };
974
975         dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
976         dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
977 }
978
979 static int dm1105_probe(struct pci_dev *pdev,
980                                   const struct pci_device_id *ent)
981 {
982         struct dm1105_dev *dev;
983         struct dvb_adapter *dvb_adapter;
984         struct dvb_demux *dvbdemux;
985         struct dmx_demux *dmx;
986         int ret = -ENOMEM;
987         int i;
988
989         if (dm1105_devcount >= ARRAY_SIZE(card))
990                 return -ENODEV;
991
992         dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
993         if (!dev)
994                 return -ENOMEM;
995
996         /* board config */
997         dev->nr = dm1105_devcount;
998         dev->boardnr = UNSET;
999         if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
1000                 dev->boardnr = card[dev->nr];
1001         for (i = 0; UNSET == dev->boardnr &&
1002                                 i < ARRAY_SIZE(dm1105_subids); i++)
1003                 if (pdev->subsystem_vendor ==
1004                         dm1105_subids[i].subvendor &&
1005                                 pdev->subsystem_device ==
1006                                         dm1105_subids[i].subdevice)
1007                         dev->boardnr = dm1105_subids[i].card;
1008
1009         if (UNSET == dev->boardnr) {
1010                 dev->boardnr = DM1105_BOARD_UNKNOWN;
1011                 dm1105_card_list(pdev);
1012         }
1013
1014         dm1105_devcount++;
1015         dev->pdev = pdev;
1016         dev->buffer_size = 5 * DM1105_DMA_BYTES;
1017         dev->PacketErrorCount = 0;
1018         dev->dmarst = 0;
1019
1020         ret = pci_enable_device(pdev);
1021         if (ret < 0)
1022                 goto err_kfree;
1023
1024         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1025         if (ret < 0)
1026                 goto err_pci_disable_device;
1027
1028         pci_set_master(pdev);
1029
1030         ret = pci_request_regions(pdev, DRIVER_NAME);
1031         if (ret < 0)
1032                 goto err_pci_disable_device;
1033
1034         dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1035         if (!dev->io_mem) {
1036                 ret = -EIO;
1037                 goto err_pci_release_regions;
1038         }
1039
1040         spin_lock_init(&dev->lock);
1041         pci_set_drvdata(pdev, dev);
1042
1043         ret = dm1105_hw_init(dev);
1044         if (ret < 0)
1045                 goto err_pci_iounmap;
1046
1047         /* i2c */
1048         i2c_set_adapdata(&dev->i2c_adap, dev);
1049         strcpy(dev->i2c_adap.name, DRIVER_NAME);
1050         dev->i2c_adap.owner = THIS_MODULE;
1051         dev->i2c_adap.dev.parent = &pdev->dev;
1052         dev->i2c_adap.algo = &dm1105_algo;
1053         dev->i2c_adap.algo_data = dev;
1054         ret = i2c_add_adapter(&dev->i2c_adap);
1055
1056         if (ret < 0)
1057                 goto err_dm1105_hw_exit;
1058
1059         i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1060         strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1061         dev->i2c_bb_adap.owner = THIS_MODULE;
1062         dev->i2c_bb_adap.dev.parent = &pdev->dev;
1063         dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1064         dev->i2c_bit.data = dev;
1065         dev->i2c_bit.setsda = dm1105_setsda;
1066         dev->i2c_bit.setscl = dm1105_setscl;
1067         dev->i2c_bit.getsda = dm1105_getsda;
1068         dev->i2c_bit.getscl = dm1105_getscl;
1069         dev->i2c_bit.udelay = 10;
1070         dev->i2c_bit.timeout = 10;
1071
1072         /* Raise SCL and SDA */
1073         dm1105_setsda(dev, 1);
1074         dm1105_setscl(dev, 1);
1075
1076         ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1077         if (ret < 0)
1078                 goto err_i2c_del_adapter;
1079
1080         /* dvb */
1081         ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1082                                         THIS_MODULE, &pdev->dev, adapter_nr);
1083         if (ret < 0)
1084                 goto err_i2c_del_adapters;
1085
1086         dvb_adapter = &dev->dvb_adapter;
1087
1088         dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1089
1090         dvbdemux = &dev->demux;
1091         dvbdemux->filternum = 256;
1092         dvbdemux->feednum = 256;
1093         dvbdemux->start_feed = dm1105_start_feed;
1094         dvbdemux->stop_feed = dm1105_stop_feed;
1095         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1096                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1097         ret = dvb_dmx_init(dvbdemux);
1098         if (ret < 0)
1099                 goto err_dvb_unregister_adapter;
1100
1101         dmx = &dvbdemux->dmx;
1102         dev->dmxdev.filternum = 256;
1103         dev->dmxdev.demux = dmx;
1104         dev->dmxdev.capabilities = 0;
1105
1106         ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1107         if (ret < 0)
1108                 goto err_dvb_dmx_release;
1109
1110         dev->hw_frontend.source = DMX_FRONTEND_0;
1111
1112         ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1113         if (ret < 0)
1114                 goto err_dvb_dmxdev_release;
1115
1116         dev->mem_frontend.source = DMX_MEMORY_FE;
1117
1118         ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1119         if (ret < 0)
1120                 goto err_remove_hw_frontend;
1121
1122         ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1123         if (ret < 0)
1124                 goto err_remove_mem_frontend;
1125
1126         ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1127         if (ret < 0)
1128                 goto err_disconnect_frontend;
1129
1130         ret = frontend_init(dev);
1131         if (ret < 0)
1132                 goto err_dvb_net;
1133
1134         dm1105_ir_init(dev);
1135
1136         INIT_WORK(&dev->work, dm1105_dmx_buffer);
1137         sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1138         dev->wq = create_singlethread_workqueue(dev->wqn);
1139         if (!dev->wq) {
1140                 ret = -ENOMEM;
1141                 goto err_dvb_net;
1142         }
1143
1144         ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1145                                                 DRIVER_NAME, dev);
1146         if (ret < 0)
1147                 goto err_workqueue;
1148
1149         return 0;
1150
1151 err_workqueue:
1152         destroy_workqueue(dev->wq);
1153 err_dvb_net:
1154         dvb_net_release(&dev->dvbnet);
1155 err_disconnect_frontend:
1156         dmx->disconnect_frontend(dmx);
1157 err_remove_mem_frontend:
1158         dmx->remove_frontend(dmx, &dev->mem_frontend);
1159 err_remove_hw_frontend:
1160         dmx->remove_frontend(dmx, &dev->hw_frontend);
1161 err_dvb_dmxdev_release:
1162         dvb_dmxdev_release(&dev->dmxdev);
1163 err_dvb_dmx_release:
1164         dvb_dmx_release(dvbdemux);
1165 err_dvb_unregister_adapter:
1166         dvb_unregister_adapter(dvb_adapter);
1167 err_i2c_del_adapters:
1168         i2c_del_adapter(&dev->i2c_bb_adap);
1169 err_i2c_del_adapter:
1170         i2c_del_adapter(&dev->i2c_adap);
1171 err_dm1105_hw_exit:
1172         dm1105_hw_exit(dev);
1173 err_pci_iounmap:
1174         pci_iounmap(pdev, dev->io_mem);
1175 err_pci_release_regions:
1176         pci_release_regions(pdev);
1177 err_pci_disable_device:
1178         pci_disable_device(pdev);
1179 err_kfree:
1180         kfree(dev);
1181         return ret;
1182 }
1183
1184 static void dm1105_remove(struct pci_dev *pdev)
1185 {
1186         struct dm1105_dev *dev = pci_get_drvdata(pdev);
1187         struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1188         struct dvb_demux *dvbdemux = &dev->demux;
1189         struct dmx_demux *dmx = &dvbdemux->dmx;
1190
1191         dm1105_ir_exit(dev);
1192         dmx->close(dmx);
1193         dvb_net_release(&dev->dvbnet);
1194         if (dev->fe)
1195                 dvb_unregister_frontend(dev->fe);
1196
1197         dmx->disconnect_frontend(dmx);
1198         dmx->remove_frontend(dmx, &dev->mem_frontend);
1199         dmx->remove_frontend(dmx, &dev->hw_frontend);
1200         dvb_dmxdev_release(&dev->dmxdev);
1201         dvb_dmx_release(dvbdemux);
1202         dvb_unregister_adapter(dvb_adapter);
1203         i2c_del_adapter(&dev->i2c_adap);
1204
1205         dm1105_hw_exit(dev);
1206         free_irq(pdev->irq, dev);
1207         pci_iounmap(pdev, dev->io_mem);
1208         pci_release_regions(pdev);
1209         pci_disable_device(pdev);
1210         dm1105_devcount--;
1211         kfree(dev);
1212 }
1213
1214 static const struct pci_device_id dm1105_id_table[] = {
1215         {
1216                 .vendor = PCI_VENDOR_ID_TRIGEM,
1217                 .device = PCI_DEVICE_ID_DM1105,
1218                 .subvendor = PCI_ANY_ID,
1219                 .subdevice = PCI_ANY_ID,
1220         }, {
1221                 .vendor = PCI_VENDOR_ID_AXESS,
1222                 .device = PCI_DEVICE_ID_DM05,
1223                 .subvendor = PCI_ANY_ID,
1224                 .subdevice = PCI_ANY_ID,
1225         }, {
1226                 /* empty */
1227         },
1228 };
1229
1230 MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1231
1232 static struct pci_driver dm1105_driver = {
1233         .name = DRIVER_NAME,
1234         .id_table = dm1105_id_table,
1235         .probe = dm1105_probe,
1236         .remove = dm1105_remove,
1237 };
1238
1239 module_pci_driver(dm1105_driver);
1240
1241 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1242 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1243 MODULE_LICENSE("GPL");