]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blob - drivers/media/dvb/dm1105/dm1105.c
dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)
[linux-2.6-omap-h63xx.git] / drivers / media / dvb / dm1105 / dm1105.c
1 /*
2  * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip
3  *
4  * Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  *
20  */
21
22 #include <linux/i2c.h>
23 #include <linux/init.h>
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/proc_fs.h>
27 #include <linux/pci.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/input.h>
30 #include <media/ir-common.h>
31
32 #include "demux.h"
33 #include "dmxdev.h"
34 #include "dvb_demux.h"
35 #include "dvb_frontend.h"
36 #include "dvb_net.h"
37 #include "dvbdev.h"
38 #include "dvb-pll.h"
39
40 #include "stv0299.h"
41 #include "stv0288.h"
42 #include "stb6000.h"
43 #include "si21xx.h"
44 #include "cx24116.h"
45 #include "z0194a.h"
46
47 /* ----------------------------------------------- */
48 /*
49  * PCI ID's
50  */
51 #ifndef PCI_VENDOR_ID_TRIGEM
52 #define PCI_VENDOR_ID_TRIGEM    0x109f
53 #endif
54 #ifndef PCI_DEVICE_ID_DM1105
55 #define PCI_DEVICE_ID_DM1105    0x036f
56 #endif
57 #ifndef PCI_DEVICE_ID_DW2002
58 #define PCI_DEVICE_ID_DW2002    0x2002
59 #endif
60 #ifndef PCI_DEVICE_ID_DW2004
61 #define PCI_DEVICE_ID_DW2004    0x2004
62 #endif
63 /* ----------------------------------------------- */
64 /* sdmc dm1105 registers */
65
66 /* TS Control */
67 #define DM1105_TSCTR                            0x00
68 #define DM1105_DTALENTH                         0x04
69
70 /* GPIO Interface */
71 #define DM1105_GPIOVAL                          0x08
72 #define DM1105_GPIOCTR                          0x0c
73
74 /* PID serial number */
75 #define DM1105_PIDN                             0x10
76
77 /* Odd-even secret key select */
78 #define DM1105_CWSEL                            0x14
79
80 /* Host Command Interface */
81 #define DM1105_HOST_CTR                         0x18
82 #define DM1105_HOST_AD                          0x1c
83
84 /* PCI Interface */
85 #define DM1105_CR                               0x30
86 #define DM1105_RST                              0x34
87 #define DM1105_STADR                            0x38
88 #define DM1105_RLEN                             0x3c
89 #define DM1105_WRP                              0x40
90 #define DM1105_INTCNT                           0x44
91 #define DM1105_INTMAK                           0x48
92 #define DM1105_INTSTS                           0x4c
93
94 /* CW Value */
95 #define DM1105_ODD                              0x50
96 #define DM1105_EVEN                             0x58
97
98 /* PID Value */
99 #define DM1105_PID                              0x60
100
101 /* IR Control */
102 #define DM1105_IRCTR                            0x64
103 #define DM1105_IRMODE                           0x68
104 #define DM1105_SYSTEMCODE                       0x6c
105 #define DM1105_IRCODE                           0x70
106
107 /* Unknown Values */
108 #define DM1105_ENCRYPT                          0x74
109 #define DM1105_VER                              0x7c
110
111 /* I2C Interface */
112 #define DM1105_I2CCTR                           0x80
113 #define DM1105_I2CSTS                           0x81
114 #define DM1105_I2CDAT                           0x82
115 #define DM1105_I2C_RA                           0x83
116 /* ----------------------------------------------- */
117 /* Interrupt Mask Bits */
118
119 #define INTMAK_TSIRQM                           0x01
120 #define INTMAK_HIRQM                            0x04
121 #define INTMAK_IRM                              0x08
122 #define INTMAK_ALLMASK                          (INTMAK_TSIRQM | \
123                                                 INTMAK_HIRQM | \
124                                                 INTMAK_IRM)
125 #define INTMAK_NONEMASK                         0x00
126
127 /* Interrupt Status Bits */
128 #define INTSTS_TSIRQ                            0x01
129 #define INTSTS_HIRQ                             0x04
130 #define INTSTS_IR                               0x08
131
132 /* IR Control Bits */
133 #define DM1105_IR_EN                            0x01
134 #define DM1105_SYS_CHK                          0x02
135 #define DM1105_REP_FLG                          0x08
136
137 /* EEPROM addr */
138 #define IIC_24C01_addr                          0xa0
139 /* Max board count */
140 #define DM1105_MAX                              0x04
141
142 #define DRIVER_NAME                             "dm1105"
143
144 #define DM1105_DMA_PACKETS                      47
145 #define DM1105_DMA_PACKET_LENGTH                (128*4)
146 #define DM1105_DMA_BYTES                        (128 * 4 * DM1105_DMA_PACKETS)
147
148 /* GPIO's for LNB power control */
149 #define DM1105_LNB_MASK                         0x00000000
150 #define DM1105_LNB_13V                          0x00010100
151 #define DM1105_LNB_18V                          0x00000100
152
153 static int ir_debug;
154 module_param(ir_debug, int, 0644);
155 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
156
157 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
158
159 /* infrared remote control */
160 struct infrared {
161         struct input_dev        *input_dev;
162         struct ir_input_state   ir;
163         char                    input_phys[32];
164         struct work_struct      work;
165         u32                     ir_command;
166 };
167
168 struct dm1105dvb {
169         /* pci */
170         struct pci_dev *pdev;
171         u8 __iomem *io_mem;
172
173         /* ir */
174         struct infrared ir;
175
176         /* dvb */
177         struct dmx_frontend hw_frontend;
178         struct dmx_frontend mem_frontend;
179         struct dmxdev dmxdev;
180         struct dvb_adapter dvb_adapter;
181         struct dvb_demux demux;
182         struct dvb_frontend *fe;
183         struct dvb_net dvbnet;
184         unsigned int full_ts_users;
185
186         /* i2c */
187         struct i2c_adapter i2c_adap;
188
189         /* irq */
190         struct work_struct work;
191
192         /* dma */
193         dma_addr_t dma_addr;
194         unsigned char *ts_buf;
195         u32 wrp;
196         u32 nextwrp;
197         u32 buffer_size;
198         unsigned int    PacketErrorCount;
199         unsigned int dmarst;
200         spinlock_t lock;
201
202 };
203
204 #define dm_io_mem(reg)  ((unsigned long)(&dm1105dvb->io_mem[reg]))
205
206 static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
207                             struct i2c_msg *msgs, int num)
208 {
209         struct dm1105dvb *dm1105dvb ;
210
211         int addr, rc, i, j, k, len, byte, data;
212         u8 status;
213
214         dm1105dvb = i2c_adap->algo_data;
215         for (i = 0; i < num; i++) {
216                 outb(0x00, dm_io_mem(DM1105_I2CCTR));
217                 if (msgs[i].flags & I2C_M_RD) {
218                         /* read bytes */
219                         addr  = msgs[i].addr << 1;
220                         addr |= 1;
221                         outb(addr, dm_io_mem(DM1105_I2CDAT));
222                         for (byte = 0; byte < msgs[i].len; byte++)
223                                 outb(0, dm_io_mem(DM1105_I2CDAT + byte + 1));
224
225                         outb(0x81 + msgs[i].len, dm_io_mem(DM1105_I2CCTR));
226                         for (j = 0; j < 55; j++) {
227                                 mdelay(10);
228                                 status = inb(dm_io_mem(DM1105_I2CSTS));
229                                 if ((status & 0xc0) == 0x40)
230                                         break;
231                         }
232                         if (j >= 55)
233                                 return -1;
234
235                         for (byte = 0; byte < msgs[i].len; byte++) {
236                                 rc = inb(dm_io_mem(DM1105_I2CDAT + byte + 1));
237                                 if (rc < 0)
238                                         goto err;
239                                 msgs[i].buf[byte] = rc;
240                         }
241                 } else {
242                         if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
243                                 /* prepaired for cx24116 firmware */
244                                 /* Write in small blocks */
245                                 len = msgs[i].len - 1;
246                                 k = 1;
247                                 do {
248                                         outb(msgs[i].addr << 1, dm_io_mem(DM1105_I2CDAT));
249                                         outb(0xf7, dm_io_mem(DM1105_I2CDAT + 1));
250                                         for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
251                                                 data = msgs[i].buf[k+byte];
252                                                 outb(data, dm_io_mem(DM1105_I2CDAT + byte + 2));
253                                         }
254                                         outb(0x82 + (len > 48 ? 48 : len), dm_io_mem(DM1105_I2CCTR));
255                                         for (j = 0; j < 25; j++) {
256                                                 mdelay(10);
257                                                 status = inb(dm_io_mem(DM1105_I2CSTS));
258                                                 if ((status & 0xc0) == 0x40)
259                                                         break;
260                                         }
261
262                                         if (j >= 25)
263                                                 return -1;
264
265                                         k += 48;
266                                         len -= 48;
267                                 } while (len > 0);
268                         } else {
269                                 /* write bytes */
270                                 outb(msgs[i].addr<<1, dm_io_mem(DM1105_I2CDAT));
271                                 for (byte = 0; byte < msgs[i].len; byte++) {
272                                         data = msgs[i].buf[byte];
273                                         outb(data, dm_io_mem(DM1105_I2CDAT + byte + 1));
274                                 }
275                                 outb(0x81 + msgs[i].len, dm_io_mem(DM1105_I2CCTR));
276                                 for (j = 0; j < 25; j++) {
277                                         mdelay(10);
278                                         status = inb(dm_io_mem(DM1105_I2CSTS));
279                                         if ((status & 0xc0) == 0x40)
280                                                 break;
281                                 }
282
283                                 if (j >= 25)
284                                         return -1;
285                         }
286                 }
287         }
288         return num;
289  err:
290         return rc;
291 }
292
293 static u32 functionality(struct i2c_adapter *adap)
294 {
295         return I2C_FUNC_I2C;
296 }
297
298 static struct i2c_algorithm dm1105_algo = {
299         .master_xfer   = dm1105_i2c_xfer,
300         .functionality = functionality,
301 };
302
303 static inline struct dm1105dvb *feed_to_dm1105dvb(struct dvb_demux_feed *feed)
304 {
305         return container_of(feed->demux, struct dm1105dvb, demux);
306 }
307
308 static inline struct dm1105dvb *frontend_to_dm1105dvb(struct dvb_frontend *fe)
309 {
310         return container_of(fe->dvb, struct dm1105dvb, dvb_adapter);
311 }
312
313 static int dm1105dvb_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
314 {
315         struct dm1105dvb *dm1105dvb = frontend_to_dm1105dvb(fe);
316
317                 if (voltage == SEC_VOLTAGE_18) {
318                         outl(DM1105_LNB_MASK, dm_io_mem(DM1105_GPIOCTR));
319                         outl(DM1105_LNB_18V, dm_io_mem(DM1105_GPIOVAL));
320                 } else  {
321                 /*LNB ON-13V by default!*/
322                         outl(DM1105_LNB_MASK, dm_io_mem(DM1105_GPIOCTR));
323                         outl(DM1105_LNB_13V, dm_io_mem(DM1105_GPIOVAL));
324                 }
325
326         return 0;
327 }
328
329 static void dm1105dvb_set_dma_addr(struct dm1105dvb *dm1105dvb)
330 {
331         outl(cpu_to_le32(dm1105dvb->dma_addr), dm_io_mem(DM1105_STADR));
332 }
333
334 static int __devinit dm1105dvb_dma_map(struct dm1105dvb *dm1105dvb)
335 {
336         dm1105dvb->ts_buf = pci_alloc_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, &dm1105dvb->dma_addr);
337
338         return !dm1105dvb->ts_buf;
339 }
340
341 static void dm1105dvb_dma_unmap(struct dm1105dvb *dm1105dvb)
342 {
343         pci_free_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, dm1105dvb->ts_buf, dm1105dvb->dma_addr);
344 }
345
346 static void dm1105dvb_enable_irqs(struct dm1105dvb *dm1105dvb)
347 {
348         outb(INTMAK_ALLMASK, dm_io_mem(DM1105_INTMAK));
349         outb(1, dm_io_mem(DM1105_CR));
350 }
351
352 static void dm1105dvb_disable_irqs(struct dm1105dvb *dm1105dvb)
353 {
354         outb(INTMAK_IRM, dm_io_mem(DM1105_INTMAK));
355         outb(0, dm_io_mem(DM1105_CR));
356 }
357
358 static int dm1105dvb_start_feed(struct dvb_demux_feed *f)
359 {
360         struct dm1105dvb *dm1105dvb = feed_to_dm1105dvb(f);
361
362         if (dm1105dvb->full_ts_users++ == 0)
363                 dm1105dvb_enable_irqs(dm1105dvb);
364
365         return 0;
366 }
367
368 static int dm1105dvb_stop_feed(struct dvb_demux_feed *f)
369 {
370         struct dm1105dvb *dm1105dvb = feed_to_dm1105dvb(f);
371
372         if (--dm1105dvb->full_ts_users == 0)
373                 dm1105dvb_disable_irqs(dm1105dvb);
374
375         return 0;
376 }
377
378 /* ir work handler */
379 static void dm1105_emit_key(struct work_struct *work)
380 {
381         struct infrared *ir = container_of(work, struct infrared, work);
382         u32 ircom = ir->ir_command;
383         u8 data;
384
385         if (ir_debug)
386                 printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
387
388         data = (ircom >> 8) & 0x7f;
389
390         ir_input_keydown(ir->input_dev, &ir->ir, data, data);
391         ir_input_nokey(ir->input_dev, &ir->ir);
392 }
393
394 /* work handler */
395 static void dm1105_dmx_buffer(struct work_struct *work)
396 {
397         struct dm1105dvb *dm1105dvb =
398                                 container_of(work, struct dm1105dvb, work);
399         unsigned int nbpackets;
400         u32 oldwrp = dm1105dvb->wrp;
401         u32 nextwrp = dm1105dvb->nextwrp;
402
403         if (!((dm1105dvb->ts_buf[oldwrp] == 0x47) &&
404                         (dm1105dvb->ts_buf[oldwrp + 188] == 0x47) &&
405                         (dm1105dvb->ts_buf[oldwrp + 188 * 2] == 0x47))) {
406                 dm1105dvb->PacketErrorCount++;
407                 /* bad packet found */
408                 if ((dm1105dvb->PacketErrorCount >= 2) &&
409                                 (dm1105dvb->dmarst == 0)) {
410                         outb(1, dm_io_mem(DM1105_RST));
411                         dm1105dvb->wrp = 0;
412                         dm1105dvb->PacketErrorCount = 0;
413                         dm1105dvb->dmarst = 0;
414                         return;
415                 }
416         }
417
418         if (nextwrp < oldwrp) {
419                 memcpy(dm1105dvb->ts_buf + dm1105dvb->buffer_size,
420                                                 dm1105dvb->ts_buf, nextwrp);
421                 nbpackets = ((dm1105dvb->buffer_size - oldwrp) + nextwrp) / 188;
422         } else
423                 nbpackets = (nextwrp - oldwrp) / 188;
424
425         dm1105dvb->wrp = nextwrp;
426         dvb_dmx_swfilter_packets(&dm1105dvb->demux,
427                                         &dm1105dvb->ts_buf[oldwrp], nbpackets);
428 }
429
430 static irqreturn_t dm1105dvb_irq(int irq, void *dev_id)
431 {
432         struct dm1105dvb *dm1105dvb = dev_id;
433
434         /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
435         unsigned int intsts = inb(dm_io_mem(DM1105_INTSTS));
436         outb(intsts, dm_io_mem(DM1105_INTSTS));
437
438         switch (intsts) {
439         case INTSTS_TSIRQ:
440         case (INTSTS_TSIRQ | INTSTS_IR):
441                 dm1105dvb->nextwrp = inl(dm_io_mem(DM1105_WRP)) -
442                                         inl(dm_io_mem(DM1105_STADR));
443                 schedule_work(&dm1105dvb->work);
444                 break;
445         case INTSTS_IR:
446                 dm1105dvb->ir.ir_command = inl(dm_io_mem(DM1105_IRCODE));
447                 schedule_work(&dm1105dvb->ir.work);
448                 break;
449         }
450
451         return IRQ_HANDLED;
452 }
453
454 int __devinit dm1105_ir_init(struct dm1105dvb *dm1105)
455 {
456         struct input_dev *input_dev;
457         IR_KEYTAB_TYPE *ir_codes = ir_codes_dm1105_nec;
458         int ir_type = IR_TYPE_OTHER;
459         int err = -ENOMEM;
460
461         input_dev = input_allocate_device();
462         if (!input_dev)
463                 return -ENOMEM;
464
465         dm1105->ir.input_dev = input_dev;
466         snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
467                 "pci-%s/ir0", pci_name(dm1105->pdev));
468
469         ir_input_init(input_dev, &dm1105->ir.ir, ir_type, ir_codes);
470         input_dev->name = "DVB on-card IR receiver";
471         input_dev->phys = dm1105->ir.input_phys;
472         input_dev->id.bustype = BUS_PCI;
473         input_dev->id.version = 1;
474         if (dm1105->pdev->subsystem_vendor) {
475                 input_dev->id.vendor = dm1105->pdev->subsystem_vendor;
476                 input_dev->id.product = dm1105->pdev->subsystem_device;
477         } else {
478                 input_dev->id.vendor = dm1105->pdev->vendor;
479                 input_dev->id.product = dm1105->pdev->device;
480         }
481
482         input_dev->dev.parent = &dm1105->pdev->dev;
483
484         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
485
486         err = input_register_device(input_dev);
487         if (err) {
488                 input_free_device(input_dev);
489                 return err;
490         }
491
492         return 0;
493 }
494
495 void __devexit dm1105_ir_exit(struct dm1105dvb *dm1105)
496 {
497         input_unregister_device(dm1105->ir.input_dev);
498
499 }
500
501 static int __devinit dm1105dvb_hw_init(struct dm1105dvb *dm1105dvb)
502 {
503         dm1105dvb_disable_irqs(dm1105dvb);
504
505         outb(0, dm_io_mem(DM1105_HOST_CTR));
506
507         /*DATALEN 188,*/
508         outb(188, dm_io_mem(DM1105_DTALENTH));
509         /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
510         outw(0xc10a, dm_io_mem(DM1105_TSCTR));
511
512         /* map DMA and set address */
513         dm1105dvb_dma_map(dm1105dvb);
514         dm1105dvb_set_dma_addr(dm1105dvb);
515         /* big buffer */
516         outl(5*DM1105_DMA_BYTES, dm_io_mem(DM1105_RLEN));
517         outb(47, dm_io_mem(DM1105_INTCNT));
518
519         /* IR NEC mode enable */
520         outb((DM1105_IR_EN | DM1105_SYS_CHK), dm_io_mem(DM1105_IRCTR));
521         outb(0, dm_io_mem(DM1105_IRMODE));
522         outw(0, dm_io_mem(DM1105_SYSTEMCODE));
523
524         return 0;
525 }
526
527 static void dm1105dvb_hw_exit(struct dm1105dvb *dm1105dvb)
528 {
529         dm1105dvb_disable_irqs(dm1105dvb);
530
531         /* IR disable */
532         outb(0, dm_io_mem(DM1105_IRCTR));
533         outb(INTMAK_NONEMASK, dm_io_mem(DM1105_INTMAK));
534
535         dm1105dvb_dma_unmap(dm1105dvb);
536 }
537
538 static struct stv0299_config sharp_z0194a_config = {
539         .demod_address = 0x68,
540         .inittab = sharp_z0194a_inittab,
541         .mclk = 88000000UL,
542         .invert = 1,
543         .skip_reinit = 0,
544         .lock_output = STV0299_LOCKOUTPUT_1,
545         .volt13_op0_op1 = STV0299_VOLT13_OP1,
546         .min_delay_ms = 100,
547         .set_symbol_rate = sharp_z0194a_set_symbol_rate,
548 };
549
550 static struct stv0288_config earda_config = {
551         .demod_address = 0x68,
552         .min_delay_ms = 100,
553 };
554
555 static struct si21xx_config serit_config = {
556         .demod_address = 0x68,
557         .min_delay_ms = 100,
558
559 };
560
561 static struct cx24116_config serit_sp2633_config = {
562         .demod_address = 0x55,
563 };
564
565 static int __devinit frontend_init(struct dm1105dvb *dm1105dvb)
566 {
567         int ret;
568
569         switch (dm1105dvb->pdev->subsystem_device) {
570         case PCI_DEVICE_ID_DW2002:
571                 dm1105dvb->fe = dvb_attach(
572                         stv0299_attach, &sharp_z0194a_config,
573                         &dm1105dvb->i2c_adap);
574
575                 if (dm1105dvb->fe) {
576                         dm1105dvb->fe->ops.set_voltage =
577                                                         dm1105dvb_set_voltage;
578                         dvb_attach(dvb_pll_attach, dm1105dvb->fe, 0x60,
579                                         &dm1105dvb->i2c_adap, DVB_PLL_OPERA1);
580                 }
581
582                 if (!dm1105dvb->fe) {
583                         dm1105dvb->fe = dvb_attach(
584                                 stv0288_attach, &earda_config,
585                                 &dm1105dvb->i2c_adap);
586                         if (dm1105dvb->fe) {
587                                 dm1105dvb->fe->ops.set_voltage =
588                                                         dm1105dvb_set_voltage;
589                                 dvb_attach(stb6000_attach, dm1105dvb->fe, 0x61,
590                                                 &dm1105dvb->i2c_adap);
591                         }
592                 }
593
594                 if (!dm1105dvb->fe) {
595                         dm1105dvb->fe = dvb_attach(
596                                 si21xx_attach, &serit_config,
597                                 &dm1105dvb->i2c_adap);
598                         if (dm1105dvb->fe)
599                                 dm1105dvb->fe->ops.set_voltage =
600                                                         dm1105dvb_set_voltage;
601                 }
602                 break;
603         case PCI_DEVICE_ID_DW2004:
604                 dm1105dvb->fe = dvb_attach(
605                         cx24116_attach, &serit_sp2633_config,
606                         &dm1105dvb->i2c_adap);
607                 if (dm1105dvb->fe)
608                         dm1105dvb->fe->ops.set_voltage = dm1105dvb_set_voltage;
609                 break;
610         }
611
612         if (!dm1105dvb->fe) {
613                 dev_err(&dm1105dvb->pdev->dev, "could not attach frontend\n");
614                 return -ENODEV;
615         }
616
617         ret = dvb_register_frontend(&dm1105dvb->dvb_adapter, dm1105dvb->fe);
618         if (ret < 0) {
619                 if (dm1105dvb->fe->ops.release)
620                         dm1105dvb->fe->ops.release(dm1105dvb->fe);
621                 dm1105dvb->fe = NULL;
622                 return ret;
623         }
624
625         return 0;
626 }
627
628 static void __devinit dm1105dvb_read_mac(struct dm1105dvb *dm1105dvb, u8 *mac)
629 {
630         static u8 command[1] = { 0x28 };
631
632         struct i2c_msg msg[] = {
633                 { .addr = IIC_24C01_addr >> 1, .flags = 0,
634                                 .buf = command, .len = 1 },
635                 { .addr = IIC_24C01_addr >> 1, .flags = I2C_M_RD,
636                                 .buf = mac, .len = 6 },
637         };
638
639         dm1105_i2c_xfer(&dm1105dvb->i2c_adap, msg , 2);
640         dev_info(&dm1105dvb->pdev->dev, "MAC %pM\n", mac);
641 }
642
643 static int __devinit dm1105_probe(struct pci_dev *pdev,
644                                   const struct pci_device_id *ent)
645 {
646         struct dm1105dvb *dm1105dvb;
647         struct dvb_adapter *dvb_adapter;
648         struct dvb_demux *dvbdemux;
649         struct dmx_demux *dmx;
650         int ret = -ENOMEM;
651
652         dm1105dvb = kzalloc(sizeof(struct dm1105dvb), GFP_KERNEL);
653         if (!dm1105dvb)
654                 return -ENOMEM;
655
656         dm1105dvb->pdev = pdev;
657         dm1105dvb->buffer_size = 5 * DM1105_DMA_BYTES;
658         dm1105dvb->PacketErrorCount = 0;
659         dm1105dvb->dmarst = 0;
660
661         ret = pci_enable_device(pdev);
662         if (ret < 0)
663                 goto err_kfree;
664
665         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
666         if (ret < 0)
667                 goto err_pci_disable_device;
668
669         pci_set_master(pdev);
670
671         ret = pci_request_regions(pdev, DRIVER_NAME);
672         if (ret < 0)
673                 goto err_pci_disable_device;
674
675         dm1105dvb->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
676         if (!dm1105dvb->io_mem) {
677                 ret = -EIO;
678                 goto err_pci_release_regions;
679         }
680
681         spin_lock_init(&dm1105dvb->lock);
682         pci_set_drvdata(pdev, dm1105dvb);
683
684         ret = dm1105dvb_hw_init(dm1105dvb);
685         if (ret < 0)
686                 goto err_pci_iounmap;
687
688         /* i2c */
689         i2c_set_adapdata(&dm1105dvb->i2c_adap, dm1105dvb);
690         strcpy(dm1105dvb->i2c_adap.name, DRIVER_NAME);
691         dm1105dvb->i2c_adap.owner = THIS_MODULE;
692         dm1105dvb->i2c_adap.class = I2C_CLASS_TV_DIGITAL;
693         dm1105dvb->i2c_adap.dev.parent = &pdev->dev;
694         dm1105dvb->i2c_adap.algo = &dm1105_algo;
695         dm1105dvb->i2c_adap.algo_data = dm1105dvb;
696         ret = i2c_add_adapter(&dm1105dvb->i2c_adap);
697
698         if (ret < 0)
699                 goto err_dm1105dvb_hw_exit;
700
701         /* dvb */
702         ret = dvb_register_adapter(&dm1105dvb->dvb_adapter, DRIVER_NAME,
703                                         THIS_MODULE, &pdev->dev, adapter_nr);
704         if (ret < 0)
705                 goto err_i2c_del_adapter;
706
707         dvb_adapter = &dm1105dvb->dvb_adapter;
708
709         dm1105dvb_read_mac(dm1105dvb, dvb_adapter->proposed_mac);
710
711         dvbdemux = &dm1105dvb->demux;
712         dvbdemux->filternum = 256;
713         dvbdemux->feednum = 256;
714         dvbdemux->start_feed = dm1105dvb_start_feed;
715         dvbdemux->stop_feed = dm1105dvb_stop_feed;
716         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
717                         DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
718         ret = dvb_dmx_init(dvbdemux);
719         if (ret < 0)
720                 goto err_dvb_unregister_adapter;
721
722         dmx = &dvbdemux->dmx;
723         dm1105dvb->dmxdev.filternum = 256;
724         dm1105dvb->dmxdev.demux = dmx;
725         dm1105dvb->dmxdev.capabilities = 0;
726
727         ret = dvb_dmxdev_init(&dm1105dvb->dmxdev, dvb_adapter);
728         if (ret < 0)
729                 goto err_dvb_dmx_release;
730
731         dm1105dvb->hw_frontend.source = DMX_FRONTEND_0;
732
733         ret = dmx->add_frontend(dmx, &dm1105dvb->hw_frontend);
734         if (ret < 0)
735                 goto err_dvb_dmxdev_release;
736
737         dm1105dvb->mem_frontend.source = DMX_MEMORY_FE;
738
739         ret = dmx->add_frontend(dmx, &dm1105dvb->mem_frontend);
740         if (ret < 0)
741                 goto err_remove_hw_frontend;
742
743         ret = dmx->connect_frontend(dmx, &dm1105dvb->hw_frontend);
744         if (ret < 0)
745                 goto err_remove_mem_frontend;
746
747         ret = frontend_init(dm1105dvb);
748         if (ret < 0)
749                 goto err_disconnect_frontend;
750
751         dvb_net_init(dvb_adapter, &dm1105dvb->dvbnet, dmx);
752         dm1105_ir_init(dm1105dvb);
753
754         INIT_WORK(&dm1105dvb->work, dm1105_dmx_buffer);
755
756         ret = request_irq(pdev->irq, dm1105dvb_irq, IRQF_SHARED,
757                                                 DRIVER_NAME, dm1105dvb);
758         if (ret < 0)
759                 goto err_free_irq;
760
761         return 0;
762
763 err_disconnect_frontend:
764         dmx->disconnect_frontend(dmx);
765 err_remove_mem_frontend:
766         dmx->remove_frontend(dmx, &dm1105dvb->mem_frontend);
767 err_remove_hw_frontend:
768         dmx->remove_frontend(dmx, &dm1105dvb->hw_frontend);
769 err_dvb_dmxdev_release:
770         dvb_dmxdev_release(&dm1105dvb->dmxdev);
771 err_dvb_dmx_release:
772         dvb_dmx_release(dvbdemux);
773 err_dvb_unregister_adapter:
774         dvb_unregister_adapter(dvb_adapter);
775 err_i2c_del_adapter:
776         i2c_del_adapter(&dm1105dvb->i2c_adap);
777 err_dm1105dvb_hw_exit:
778         dm1105dvb_hw_exit(dm1105dvb);
779 err_free_irq:
780         free_irq(pdev->irq, dm1105dvb);
781 err_pci_iounmap:
782         pci_iounmap(pdev, dm1105dvb->io_mem);
783 err_pci_release_regions:
784         pci_release_regions(pdev);
785 err_pci_disable_device:
786         pci_disable_device(pdev);
787 err_kfree:
788         pci_set_drvdata(pdev, NULL);
789         kfree(dm1105dvb);
790         return ret;
791 }
792
793 static void __devexit dm1105_remove(struct pci_dev *pdev)
794 {
795         struct dm1105dvb *dm1105dvb = pci_get_drvdata(pdev);
796         struct dvb_adapter *dvb_adapter = &dm1105dvb->dvb_adapter;
797         struct dvb_demux *dvbdemux = &dm1105dvb->demux;
798         struct dmx_demux *dmx = &dvbdemux->dmx;
799
800         dm1105_ir_exit(dm1105dvb);
801         dmx->close(dmx);
802         dvb_net_release(&dm1105dvb->dvbnet);
803         if (dm1105dvb->fe)
804                 dvb_unregister_frontend(dm1105dvb->fe);
805
806         dmx->disconnect_frontend(dmx);
807         dmx->remove_frontend(dmx, &dm1105dvb->mem_frontend);
808         dmx->remove_frontend(dmx, &dm1105dvb->hw_frontend);
809         dvb_dmxdev_release(&dm1105dvb->dmxdev);
810         dvb_dmx_release(dvbdemux);
811         dvb_unregister_adapter(dvb_adapter);
812         if (&dm1105dvb->i2c_adap)
813                 i2c_del_adapter(&dm1105dvb->i2c_adap);
814
815         dm1105dvb_hw_exit(dm1105dvb);
816         synchronize_irq(pdev->irq);
817         free_irq(pdev->irq, dm1105dvb);
818         pci_iounmap(pdev, dm1105dvb->io_mem);
819         pci_release_regions(pdev);
820         pci_disable_device(pdev);
821         pci_set_drvdata(pdev, NULL);
822         kfree(dm1105dvb);
823 }
824
825 static struct pci_device_id dm1105_id_table[] __devinitdata = {
826         {
827                 .vendor = PCI_VENDOR_ID_TRIGEM,
828                 .device = PCI_DEVICE_ID_DM1105,
829                 .subvendor = PCI_ANY_ID,
830                 .subdevice = PCI_DEVICE_ID_DW2002,
831         }, {
832                 .vendor = PCI_VENDOR_ID_TRIGEM,
833                 .device = PCI_DEVICE_ID_DM1105,
834                 .subvendor = PCI_ANY_ID,
835                 .subdevice = PCI_DEVICE_ID_DW2004,
836         }, {
837                 /* empty */
838         },
839 };
840
841 MODULE_DEVICE_TABLE(pci, dm1105_id_table);
842
843 static struct pci_driver dm1105_driver = {
844         .name = DRIVER_NAME,
845         .id_table = dm1105_id_table,
846         .probe = dm1105_probe,
847         .remove = __devexit_p(dm1105_remove),
848 };
849
850 static int __init dm1105_init(void)
851 {
852         return pci_register_driver(&dm1105_driver);
853 }
854
855 static void __exit dm1105_exit(void)
856 {
857         pci_unregister_driver(&dm1105_driver);
858 }
859
860 module_init(dm1105_init);
861 module_exit(dm1105_exit);
862
863 MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
864 MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
865 MODULE_LICENSE("GPL");