]> git.ipfire.org Git - thirdparty/kernel/stable.git/blob - drivers/media/pci/dm1105/dm1105.c
projects / thirdparty / kernel / stable.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
[thirdparty/kernel/stable.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");
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git