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/i2c-algo-bit.h>
24#include <linux/init.h>
25#include <linux/interrupt.h>
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/proc_fs.h>
29#include <linux/pci.h>
30#include <linux/dma-mapping.h>
31#include <linux/slab.h>
32#include <media/rc-core.h>
33
34#include "demux.h"
35#include "dmxdev.h"
36#include "dvb_demux.h"
37#include "dvb_frontend.h"
38#include "dvb_net.h"
39#include "dvbdev.h"
40#include "dvb-pll.h"
41
42#include "stv0299.h"
43#include "stv0288.h"
44#include "stb6000.h"
45#include "si21xx.h"
46#include "cx24116.h"
47#include "z0194a.h"
48#include "ts2020.h"
49#include "ds3000.h"
50
51#define MODULE_NAME "dm1105"
52
53#define UNSET (-1U)
54
55#define DM1105_BOARD_NOAUTO			UNSET
56#define DM1105_BOARD_UNKNOWN			0
57#define DM1105_BOARD_DVBWORLD_2002		1
58#define DM1105_BOARD_DVBWORLD_2004		2
59#define DM1105_BOARD_AXESS_DM05			3
60#define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO	4
61
62/* ----------------------------------------------- */
63/*
64 * PCI ID's
65 */
66#ifndef PCI_VENDOR_ID_TRIGEM
67#define PCI_VENDOR_ID_TRIGEM	0x109f
68#endif
69#ifndef PCI_VENDOR_ID_AXESS
70#define PCI_VENDOR_ID_AXESS	0x195d
71#endif
72#ifndef PCI_DEVICE_ID_DM1105
73#define PCI_DEVICE_ID_DM1105	0x036f
74#endif
75#ifndef PCI_DEVICE_ID_DW2002
76#define PCI_DEVICE_ID_DW2002	0x2002
77#endif
78#ifndef PCI_DEVICE_ID_DW2004
79#define PCI_DEVICE_ID_DW2004	0x2004
80#endif
81#ifndef PCI_DEVICE_ID_DM05
82#define PCI_DEVICE_ID_DM05	0x1105
83#endif
84/* ----------------------------------------------- */
85/* sdmc dm1105 registers */
86
87/* TS Control */
88#define DM1105_TSCTR				0x00
89#define DM1105_DTALENTH				0x04
90
91/* GPIO Interface */
92#define DM1105_GPIOVAL				0x08
93#define DM1105_GPIOCTR				0x0c
94
95/* PID serial number */
96#define DM1105_PIDN				0x10
97
98/* Odd-even secret key select */
99#define DM1105_CWSEL				0x14
100
101/* Host Command Interface */
102#define DM1105_HOST_CTR				0x18
103#define DM1105_HOST_AD				0x1c
104
105/* PCI Interface */
106#define DM1105_CR				0x30
107#define DM1105_RST				0x34
108#define DM1105_STADR				0x38
109#define DM1105_RLEN				0x3c
110#define DM1105_WRP				0x40
111#define DM1105_INTCNT				0x44
112#define DM1105_INTMAK				0x48
113#define DM1105_INTSTS				0x4c
114
115/* CW Value */
116#define DM1105_ODD				0x50
117#define DM1105_EVEN				0x58
118
119/* PID Value */
120#define DM1105_PID				0x60
121
122/* IR Control */
123#define DM1105_IRCTR				0x64
124#define DM1105_IRMODE				0x68
125#define DM1105_SYSTEMCODE			0x6c
126#define DM1105_IRCODE				0x70
127
128/* Unknown Values */
129#define DM1105_ENCRYPT				0x74
130#define DM1105_VER				0x7c
131
132/* I2C Interface */
133#define DM1105_I2CCTR				0x80
134#define DM1105_I2CSTS				0x81
135#define DM1105_I2CDAT				0x82
136#define DM1105_I2C_RA				0x83
137/* ----------------------------------------------- */
138/* Interrupt Mask Bits */
139
140#define INTMAK_TSIRQM				0x01
141#define INTMAK_HIRQM				0x04
142#define INTMAK_IRM				0x08
143#define INTMAK_ALLMASK				(INTMAK_TSIRQM | \
144						INTMAK_HIRQM | \
145						INTMAK_IRM)
146#define INTMAK_NONEMASK				0x00
147
148/* Interrupt Status Bits */
149#define INTSTS_TSIRQ				0x01
150#define INTSTS_HIRQ				0x04
151#define INTSTS_IR				0x08
152
153/* IR Control Bits */
154#define DM1105_IR_EN				0x01
155#define DM1105_SYS_CHK				0x02
156#define DM1105_REP_FLG				0x08
157
158/* EEPROM addr */
159#define IIC_24C01_addr				0xa0
160/* Max board count */
161#define DM1105_MAX				0x04
162
163#define DRIVER_NAME				"dm1105"
164#define DM1105_I2C_GPIO_NAME			"dm1105-gpio"
165
166#define DM1105_DMA_PACKETS			47
167#define DM1105_DMA_PACKET_LENGTH		(128*4)
168#define DM1105_DMA_BYTES			(128 * 4 * DM1105_DMA_PACKETS)
169
170/*  */
171#define GPIO08					(1 << 8)
172#define GPIO13					(1 << 13)
173#define GPIO14					(1 << 14)
174#define GPIO15					(1 << 15)
175#define GPIO16					(1 << 16)
176#define GPIO17					(1 << 17)
177#define GPIO_ALL				0x03ffff
178
179/* GPIO's for LNB power control */
180#define DM1105_LNB_MASK				(GPIO_ALL & ~(GPIO14 | GPIO13))
181#define DM1105_LNB_OFF				GPIO17
182#define DM1105_LNB_13V				(GPIO16 | GPIO08)
183#define DM1105_LNB_18V				GPIO08
184
185/* GPIO's for LNB power control for Axess DM05 */
186#define DM05_LNB_MASK				(GPIO_ALL & ~(GPIO14 | GPIO13))
187#define DM05_LNB_OFF				GPIO17/* actually 13v */
188#define DM05_LNB_13V				GPIO17
189#define DM05_LNB_18V				(GPIO17 | GPIO16)
190
191/* GPIO's for LNB power control for unbranded with I2C on GPIO */
192#define UNBR_LNB_MASK				(GPIO17 | GPIO16)
193#define UNBR_LNB_OFF				0
194#define UNBR_LNB_13V				GPIO17
195#define UNBR_LNB_18V				(GPIO17 | GPIO16)
196
197static unsigned int card[]  = {[0 ... 3] = UNSET };
198module_param_array(card,  int, NULL, 0444);
199MODULE_PARM_DESC(card, "card type");
200
201static int ir_debug;
202module_param(ir_debug, int, 0644);
203MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
204
205static unsigned int dm1105_devcount;
206
207DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
208
209struct dm1105_board {
210	char	*name;
211	struct	{
212		u32	mask, off, v13, v18;
213	} lnb;
214	u32	gpio_scl, gpio_sda;
215};
216
217struct dm1105_subid {
218	u16     subvendor;
219	u16     subdevice;
220	u32     card;
221};
222
223static const struct dm1105_board dm1105_boards[] = {
224	[DM1105_BOARD_UNKNOWN] = {
225		.name		= "UNKNOWN/GENERIC",
226		.lnb = {
227			.mask = DM1105_LNB_MASK,
228			.off = DM1105_LNB_OFF,
229			.v13 = DM1105_LNB_13V,
230			.v18 = DM1105_LNB_18V,
231		},
232	},
233	[DM1105_BOARD_DVBWORLD_2002] = {
234		.name		= "DVBWorld PCI 2002",
235		.lnb = {
236			.mask = DM1105_LNB_MASK,
237			.off = DM1105_LNB_OFF,
238			.v13 = DM1105_LNB_13V,
239			.v18 = DM1105_LNB_18V,
240		},
241	},
242	[DM1105_BOARD_DVBWORLD_2004] = {
243		.name		= "DVBWorld PCI 2004",
244		.lnb = {
245			.mask = DM1105_LNB_MASK,
246			.off = DM1105_LNB_OFF,
247			.v13 = DM1105_LNB_13V,
248			.v18 = DM1105_LNB_18V,
249		},
250	},
251	[DM1105_BOARD_AXESS_DM05] = {
252		.name		= "Axess/EasyTv DM05",
253		.lnb = {
254			.mask = DM05_LNB_MASK,
255			.off = DM05_LNB_OFF,
256			.v13 = DM05_LNB_13V,
257			.v18 = DM05_LNB_18V,
258		},
259	},
260	[DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
261		.name		= "Unbranded DM1105 with i2c on GPIOs",
262		.lnb = {
263			.mask = UNBR_LNB_MASK,
264			.off = UNBR_LNB_OFF,
265			.v13 = UNBR_LNB_13V,
266			.v18 = UNBR_LNB_18V,
267		},
268		.gpio_scl	= GPIO14,
269		.gpio_sda	= GPIO13,
270	},
271};
272
273static const struct dm1105_subid dm1105_subids[] = {
274	{
275		.subvendor = 0x0000,
276		.subdevice = 0x2002,
277		.card      = DM1105_BOARD_DVBWORLD_2002,
278	}, {
279		.subvendor = 0x0001,
280		.subdevice = 0x2002,
281		.card      = DM1105_BOARD_DVBWORLD_2002,
282	}, {
283		.subvendor = 0x0000,
284		.subdevice = 0x2004,
285		.card      = DM1105_BOARD_DVBWORLD_2004,
286	}, {
287		.subvendor = 0x0001,
288		.subdevice = 0x2004,
289		.card      = DM1105_BOARD_DVBWORLD_2004,
290	}, {
291		.subvendor = 0x195d,
292		.subdevice = 0x1105,
293		.card      = DM1105_BOARD_AXESS_DM05,
294	},
295};
296
297static void dm1105_card_list(struct pci_dev *pci)
298{
299	int i;
300
301	if (0 == pci->subsystem_vendor &&
302			0 == pci->subsystem_device) {
303		printk(KERN_ERR
304			"dm1105: Your board has no valid PCI Subsystem ID\n"
305			"dm1105: and thus can't be autodetected\n"
306			"dm1105: Please pass card=<n> insmod option to\n"
307			"dm1105: workaround that.  Redirect complaints to\n"
308			"dm1105: the vendor of the TV card.  Best regards,\n"
309			"dm1105: -- tux\n");
310	} else {
311		printk(KERN_ERR
312			"dm1105: Your board isn't known (yet) to the driver.\n"
313			"dm1105: You can try to pick one of the existing\n"
314			"dm1105: card configs via card=<n> insmod option.\n"
315			"dm1105: Updating to the latest version might help\n"
316			"dm1105: as well.\n");
317	}
318	printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
319		   "insmod option:\n");
320	for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
321		printk(KERN_ERR "dm1105:    card=%d -> %s\n",
322				i, dm1105_boards[i].name);
323}
324
325/* infrared remote control */
326struct infrared {
327	struct rc_dev		*dev;
328	char			input_phys[32];
329	struct work_struct	work;
330	u32			ir_command;
331};
332
333struct dm1105_dev {
334	/* pci */
335	struct pci_dev *pdev;
336	u8 __iomem *io_mem;
337
338	/* ir */
339	struct infrared ir;
340
341	/* dvb */
342	struct dmx_frontend hw_frontend;
343	struct dmx_frontend mem_frontend;
344	struct dmxdev dmxdev;
345	struct dvb_adapter dvb_adapter;
346	struct dvb_demux demux;
347	struct dvb_frontend *fe;
348	struct dvb_net dvbnet;
349	unsigned int full_ts_users;
350	unsigned int boardnr;
351	int nr;
352
353	/* i2c */
354	struct i2c_adapter i2c_adap;
355	struct i2c_adapter i2c_bb_adap;
356	struct i2c_algo_bit_data i2c_bit;
357
358	/* irq */
359	struct work_struct work;
360	struct workqueue_struct *wq;
361	char wqn[16];
362
363	/* dma */
364	dma_addr_t dma_addr;
365	unsigned char *ts_buf;
366	u32 wrp;
367	u32 nextwrp;
368	u32 buffer_size;
369	unsigned int	PacketErrorCount;
370	unsigned int dmarst;
371	spinlock_t lock;
372};
373
374#define dm_io_mem(reg)	((unsigned long)(&dev->io_mem[reg]))
375
376#define dm_readb(reg)		inb(dm_io_mem(reg))
377#define dm_writeb(reg, value)	outb((value), (dm_io_mem(reg)))
378
379#define dm_readw(reg)		inw(dm_io_mem(reg))
380#define dm_writew(reg, value)	outw((value), (dm_io_mem(reg)))
381
382#define dm_readl(reg)		inl(dm_io_mem(reg))
383#define dm_writel(reg, value)	outl((value), (dm_io_mem(reg)))
384
385#define dm_andorl(reg, mask, value) \
386	outl((inl(dm_io_mem(reg)) & ~(mask)) |\
387		((value) & (mask)), (dm_io_mem(reg)))
388
389#define dm_setl(reg, bit)	dm_andorl((reg), (bit), (bit))
390#define dm_clearl(reg, bit)	dm_andorl((reg), (bit), 0)
391
392/* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
393 so we can use only 3 GPIO's from GPIO15 to GPIO17.
394 Here I don't check whether HOST is enebled as it is not implemented yet.
395 */
396static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
397{
398	if (mask & 0xfffc0000)
399		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
400
401	if (mask & 0x0003ffff)
402		dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
403
404}
405
406static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
407{
408	if (mask & 0xfffc0000)
409		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
410
411	if (mask & 0x0003ffff)
412		dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
413
414}
415
416static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
417{
418	if (mask & 0xfffc0000)
419		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
420
421	if (mask & 0x0003ffff)
422		dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
423
424}
425
426static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
427{
428	if (mask & 0xfffc0000)
429		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
430
431	if (mask & 0x0003ffff)
432		return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
433
434	return 0;
435}
436
437static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
438{
439	if (mask & 0xfffc0000)
440		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
441
442	if ((mask & 0x0003ffff) && asoutput)
443		dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
444	else if ((mask & 0x0003ffff) && !asoutput)
445		dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
446
447}
448
449static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
450{
451	if (state)
452		dm1105_gpio_enable(dev, line, 0);
453	else {
454		dm1105_gpio_enable(dev, line, 1);
455		dm1105_gpio_clear(dev, line);
456	}
457}
458
459static void dm1105_setsda(void *data, int state)
460{
461	struct dm1105_dev *dev = data;
462
463	dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
464}
465
466static void dm1105_setscl(void *data, int state)
467{
468	struct dm1105_dev *dev = data;
469
470	dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
471}
472
473static int dm1105_getsda(void *data)
474{
475	struct dm1105_dev *dev = data;
476
477	return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
478									? 1 : 0;
479}
480
481static int dm1105_getscl(void *data)
482{
483	struct dm1105_dev *dev = data;
484
485	return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
486									? 1 : 0;
487}
488
489static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
490			    struct i2c_msg *msgs, int num)
491{
492	struct dm1105_dev *dev ;
493
494	int addr, rc, i, j, k, len, byte, data;
495	u8 status;
496
497	dev = i2c_adap->algo_data;
498	for (i = 0; i < num; i++) {
499		dm_writeb(DM1105_I2CCTR, 0x00);
500		if (msgs[i].flags & I2C_M_RD) {
501			/* read bytes */
502			addr  = msgs[i].addr << 1;
503			addr |= 1;
504			dm_writeb(DM1105_I2CDAT, addr);
505			for (byte = 0; byte < msgs[i].len; byte++)
506				dm_writeb(DM1105_I2CDAT + byte + 1, 0);
507
508			dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
509			for (j = 0; j < 55; j++) {
510				mdelay(10);
511				status = dm_readb(DM1105_I2CSTS);
512				if ((status & 0xc0) == 0x40)
513					break;
514			}
515			if (j >= 55)
516				return -1;
517
518			for (byte = 0; byte < msgs[i].len; byte++) {
519				rc = dm_readb(DM1105_I2CDAT + byte + 1);
520				if (rc < 0)
521					goto err;
522				msgs[i].buf[byte] = rc;
523			}
524		} else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
525			/* prepaired for cx24116 firmware */
526			/* Write in small blocks */
527			len = msgs[i].len - 1;
528			k = 1;
529			do {
530				dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
531				dm_writeb(DM1105_I2CDAT + 1, 0xf7);
532				for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
533					data = msgs[i].buf[k + byte];
534					dm_writeb(DM1105_I2CDAT + byte + 2, data);
535				}
536				dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
537				for (j = 0; j < 25; j++) {
538					mdelay(10);
539					status = dm_readb(DM1105_I2CSTS);
540					if ((status & 0xc0) == 0x40)
541						break;
542				}
543
544				if (j >= 25)
545					return -1;
546
547				k += 48;
548				len -= 48;
549			} while (len > 0);
550		} else {
551			/* write bytes */
552			dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
553			for (byte = 0; byte < msgs[i].len; byte++) {
554				data = msgs[i].buf[byte];
555				dm_writeb(DM1105_I2CDAT + byte + 1, data);
556			}
557			dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
558			for (j = 0; j < 25; j++) {
559				mdelay(10);
560				status = dm_readb(DM1105_I2CSTS);
561				if ((status & 0xc0) == 0x40)
562					break;
563			}
564
565			if (j >= 25)
566				return -1;
567		}
568	}
569	return num;
570 err:
571	return rc;
572}
573
574static u32 functionality(struct i2c_adapter *adap)
575{
576	return I2C_FUNC_I2C;
577}
578
579static struct i2c_algorithm dm1105_algo = {
580	.master_xfer   = dm1105_i2c_xfer,
581	.functionality = functionality,
582};
583
584static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
585{
586	return container_of(feed->demux, struct dm1105_dev, demux);
587}
588
589static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
590{
591	return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
592}
593
594static int dm1105_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
595{
596	struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
597
598	dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
599	if (voltage == SEC_VOLTAGE_18)
600		dm1105_gpio_andor(dev,
601				dm1105_boards[dev->boardnr].lnb.mask,
602				dm1105_boards[dev->boardnr].lnb.v18);
603	else if (voltage == SEC_VOLTAGE_13)
604		dm1105_gpio_andor(dev,
605				dm1105_boards[dev->boardnr].lnb.mask,
606				dm1105_boards[dev->boardnr].lnb.v13);
607	else
608		dm1105_gpio_andor(dev,
609				dm1105_boards[dev->boardnr].lnb.mask,
610				dm1105_boards[dev->boardnr].lnb.off);
611
612	return 0;
613}
614
615static void dm1105_set_dma_addr(struct dm1105_dev *dev)
616{
617	dm_writel(DM1105_STADR, (__force u32)cpu_to_le32(dev->dma_addr));
618}
619
620static int dm1105_dma_map(struct dm1105_dev *dev)
621{
622	dev->ts_buf = pci_alloc_consistent(dev->pdev,
623					6 * DM1105_DMA_BYTES,
624					&dev->dma_addr);
625
626	return !dev->ts_buf;
627}
628
629static void dm1105_dma_unmap(struct dm1105_dev *dev)
630{
631	pci_free_consistent(dev->pdev,
632			6 * DM1105_DMA_BYTES,
633			dev->ts_buf,
634			dev->dma_addr);
635}
636
637static void dm1105_enable_irqs(struct dm1105_dev *dev)
638{
639	dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
640	dm_writeb(DM1105_CR, 1);
641}
642
643static void dm1105_disable_irqs(struct dm1105_dev *dev)
644{
645	dm_writeb(DM1105_INTMAK, INTMAK_IRM);
646	dm_writeb(DM1105_CR, 0);
647}
648
649static int dm1105_start_feed(struct dvb_demux_feed *f)
650{
651	struct dm1105_dev *dev = feed_to_dm1105_dev(f);
652
653	if (dev->full_ts_users++ == 0)
654		dm1105_enable_irqs(dev);
655
656	return 0;
657}
658
659static int dm1105_stop_feed(struct dvb_demux_feed *f)
660{
661	struct dm1105_dev *dev = feed_to_dm1105_dev(f);
662
663	if (--dev->full_ts_users == 0)
664		dm1105_disable_irqs(dev);
665
666	return 0;
667}
668
669/* ir work handler */
670static void dm1105_emit_key(struct work_struct *work)
671{
672	struct infrared *ir = container_of(work, struct infrared, work);
673	u32 ircom = ir->ir_command;
674	u8 data;
675
676	if (ir_debug)
677		printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);
678
679	data = (ircom >> 8) & 0x7f;
680
681	/* FIXME: UNKNOWN because we don't generate a full NEC scancode (yet?) */
682	rc_keydown(ir->dev, RC_TYPE_UNKNOWN, data, 0);
683}
684
685/* work handler */
686static void dm1105_dmx_buffer(struct work_struct *work)
687{
688	struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
689	unsigned int nbpackets;
690	u32 oldwrp = dev->wrp;
691	u32 nextwrp = dev->nextwrp;
692
693	if (!((dev->ts_buf[oldwrp] == 0x47) &&
694			(dev->ts_buf[oldwrp + 188] == 0x47) &&
695			(dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
696		dev->PacketErrorCount++;
697		/* bad packet found */
698		if ((dev->PacketErrorCount >= 2) &&
699				(dev->dmarst == 0)) {
700			dm_writeb(DM1105_RST, 1);
701			dev->wrp = 0;
702			dev->PacketErrorCount = 0;
703			dev->dmarst = 0;
704			return;
705		}
706	}
707
708	if (nextwrp < oldwrp) {
709		memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
710		nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
711	} else
712		nbpackets = (nextwrp - oldwrp) / 188;
713
714	dev->wrp = nextwrp;
715	dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
716}
717
718static irqreturn_t dm1105_irq(int irq, void *dev_id)
719{
720	struct dm1105_dev *dev = dev_id;
721
722	/* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
723	unsigned int intsts = dm_readb(DM1105_INTSTS);
724	dm_writeb(DM1105_INTSTS, intsts);
725
726	switch (intsts) {
727	case INTSTS_TSIRQ:
728	case (INTSTS_TSIRQ | INTSTS_IR):
729		dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
730		queue_work(dev->wq, &dev->work);
731		break;
732	case INTSTS_IR:
733		dev->ir.ir_command = dm_readl(DM1105_IRCODE);
734		schedule_work(&dev->ir.work);
735		break;
736	}
737
738	return IRQ_HANDLED;
739}
740
741static int dm1105_ir_init(struct dm1105_dev *dm1105)
742{
743	struct rc_dev *dev;
744	int err = -ENOMEM;
745
746	dev = rc_allocate_device();
747	if (!dev)
748		return -ENOMEM;
749
750	snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
751		"pci-%s/ir0", pci_name(dm1105->pdev));
752
753	dev->driver_name = MODULE_NAME;
754	dev->map_name = RC_MAP_DM1105_NEC;
755	dev->driver_type = RC_DRIVER_SCANCODE;
756	dev->input_name = "DVB on-card IR receiver";
757	dev->input_phys = dm1105->ir.input_phys;
758	dev->input_id.bustype = BUS_PCI;
759	dev->input_id.version = 1;
760	if (dm1105->pdev->subsystem_vendor) {
761		dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
762		dev->input_id.product = dm1105->pdev->subsystem_device;
763	} else {
764		dev->input_id.vendor = dm1105->pdev->vendor;
765		dev->input_id.product = dm1105->pdev->device;
766	}
767	dev->dev.parent = &dm1105->pdev->dev;
768
769	INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
770
771	err = rc_register_device(dev);
772	if (err < 0) {
773		rc_free_device(dev);
774		return err;
775	}
776
777	dm1105->ir.dev = dev;
778	return 0;
779}
780
781static void dm1105_ir_exit(struct dm1105_dev *dm1105)
782{
783	rc_unregister_device(dm1105->ir.dev);
784}
785
786static int dm1105_hw_init(struct dm1105_dev *dev)
787{
788	dm1105_disable_irqs(dev);
789
790	dm_writeb(DM1105_HOST_CTR, 0);
791
792	/*DATALEN 188,*/
793	dm_writeb(DM1105_DTALENTH, 188);
794	/*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
795	dm_writew(DM1105_TSCTR, 0xc10a);
796
797	/* map DMA and set address */
798	dm1105_dma_map(dev);
799	dm1105_set_dma_addr(dev);
800	/* big buffer */
801	dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
802	dm_writeb(DM1105_INTCNT, 47);
803
804	/* IR NEC mode enable */
805	dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
806	dm_writeb(DM1105_IRMODE, 0);
807	dm_writew(DM1105_SYSTEMCODE, 0);
808
809	return 0;
810}
811
812static void dm1105_hw_exit(struct dm1105_dev *dev)
813{
814	dm1105_disable_irqs(dev);
815
816	/* IR disable */
817	dm_writeb(DM1105_IRCTR, 0);
818	dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);
819
820	dm1105_dma_unmap(dev);
821}
822
823static struct stv0299_config sharp_z0194a_config = {
824	.demod_address = 0x68,
825	.inittab = sharp_z0194a_inittab,
826	.mclk = 88000000UL,
827	.invert = 1,
828	.skip_reinit = 0,
829	.lock_output = STV0299_LOCKOUTPUT_1,
830	.volt13_op0_op1 = STV0299_VOLT13_OP1,
831	.min_delay_ms = 100,
832	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
833};
834
835static struct stv0288_config earda_config = {
836	.demod_address = 0x68,
837	.min_delay_ms = 100,
838};
839
840static struct si21xx_config serit_config = {
841	.demod_address = 0x68,
842	.min_delay_ms = 100,
843
844};
845
846static struct cx24116_config serit_sp2633_config = {
847	.demod_address = 0x55,
848};
849
850static struct ds3000_config dvbworld_ds3000_config = {
851	.demod_address = 0x68,
852};
853
854static struct ts2020_config dvbworld_ts2020_config  = {
855	.tuner_address = 0x60,
856	.clk_out_div = 1,
857};
858
859static int frontend_init(struct dm1105_dev *dev)
860{
861	int ret;
862
863	switch (dev->boardnr) {
864	case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
865		dm1105_gpio_enable(dev, GPIO15, 1);
866		dm1105_gpio_clear(dev, GPIO15);
867		msleep(100);
868		dm1105_gpio_set(dev, GPIO15);
869		msleep(200);
870		dev->fe = dvb_attach(
871			stv0299_attach, &sharp_z0194a_config,
872			&dev->i2c_bb_adap);
873		if (dev->fe) {
874			dev->fe->ops.set_voltage = dm1105_set_voltage;
875			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
876					&dev->i2c_bb_adap, DVB_PLL_OPERA1);
877			break;
878		}
879
880		dev->fe = dvb_attach(
881			stv0288_attach, &earda_config,
882			&dev->i2c_bb_adap);
883		if (dev->fe) {
884			dev->fe->ops.set_voltage = dm1105_set_voltage;
885			dvb_attach(stb6000_attach, dev->fe, 0x61,
886					&dev->i2c_bb_adap);
887			break;
888		}
889
890		dev->fe = dvb_attach(
891			si21xx_attach, &serit_config,
892			&dev->i2c_bb_adap);
893		if (dev->fe)
894			dev->fe->ops.set_voltage = dm1105_set_voltage;
895		break;
896	case DM1105_BOARD_DVBWORLD_2004:
897		dev->fe = dvb_attach(
898			cx24116_attach, &serit_sp2633_config,
899			&dev->i2c_adap);
900		if (dev->fe) {
901			dev->fe->ops.set_voltage = dm1105_set_voltage;
902			break;
903		}
904
905		dev->fe = dvb_attach(
906			ds3000_attach, &dvbworld_ds3000_config,
907			&dev->i2c_adap);
908		if (dev->fe) {
909			dvb_attach(ts2020_attach, dev->fe,
910				&dvbworld_ts2020_config, &dev->i2c_adap);
911			dev->fe->ops.set_voltage = dm1105_set_voltage;
912		}
913
914		break;
915	case DM1105_BOARD_DVBWORLD_2002:
916	case DM1105_BOARD_AXESS_DM05:
917	default:
918		dev->fe = dvb_attach(
919			stv0299_attach, &sharp_z0194a_config,
920			&dev->i2c_adap);
921		if (dev->fe) {
922			dev->fe->ops.set_voltage = dm1105_set_voltage;
923			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
924					&dev->i2c_adap, DVB_PLL_OPERA1);
925			break;
926		}
927
928		dev->fe = dvb_attach(
929			stv0288_attach, &earda_config,
930			&dev->i2c_adap);
931		if (dev->fe) {
932			dev->fe->ops.set_voltage = dm1105_set_voltage;
933			dvb_attach(stb6000_attach, dev->fe, 0x61,
934					&dev->i2c_adap);
935			break;
936		}
937
938		dev->fe = dvb_attach(
939			si21xx_attach, &serit_config,
940			&dev->i2c_adap);
941		if (dev->fe)
942			dev->fe->ops.set_voltage = dm1105_set_voltage;
943
944	}
945
946	if (!dev->fe) {
947		dev_err(&dev->pdev->dev, "could not attach frontend\n");
948		return -ENODEV;
949	}
950
951	ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
952	if (ret < 0) {
953		if (dev->fe->ops.release)
954			dev->fe->ops.release(dev->fe);
955		dev->fe = NULL;
956		return ret;
957	}
958
959	return 0;
960}
961
962static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
963{
964	static u8 command[1] = { 0x28 };
965
966	struct i2c_msg msg[] = {
967		{
968			.addr = IIC_24C01_addr >> 1,
969			.flags = 0,
970			.buf = command,
971			.len = 1
972		}, {
973			.addr = IIC_24C01_addr >> 1,
974			.flags = I2C_M_RD,
975			.buf = mac,
976			.len = 6
977		},
978	};
979
980	dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
981	dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
982}
983
984static int dm1105_probe(struct pci_dev *pdev,
985				  const struct pci_device_id *ent)
986{
987	struct dm1105_dev *dev;
988	struct dvb_adapter *dvb_adapter;
989	struct dvb_demux *dvbdemux;
990	struct dmx_demux *dmx;
991	int ret = -ENOMEM;
992	int i;
993
994	dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
995	if (!dev)
996		return -ENOMEM;
997
998	/* board config */
999	dev->nr = dm1105_devcount;
1000	dev->boardnr = UNSET;
1001	if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
1002		dev->boardnr = card[dev->nr];
1003	for (i = 0; UNSET == dev->boardnr &&
1004				i < ARRAY_SIZE(dm1105_subids); i++)
1005		if (pdev->subsystem_vendor ==
1006			dm1105_subids[i].subvendor &&
1007				pdev->subsystem_device ==
1008					dm1105_subids[i].subdevice)
1009			dev->boardnr = dm1105_subids[i].card;
1010
1011	if (UNSET == dev->boardnr) {
1012		dev->boardnr = DM1105_BOARD_UNKNOWN;
1013		dm1105_card_list(pdev);
1014	}
1015
1016	dm1105_devcount++;
1017	dev->pdev = pdev;
1018	dev->buffer_size = 5 * DM1105_DMA_BYTES;
1019	dev->PacketErrorCount = 0;
1020	dev->dmarst = 0;
1021
1022	ret = pci_enable_device(pdev);
1023	if (ret < 0)
1024		goto err_kfree;
1025
1026	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1027	if (ret < 0)
1028		goto err_pci_disable_device;
1029
1030	pci_set_master(pdev);
1031
1032	ret = pci_request_regions(pdev, DRIVER_NAME);
1033	if (ret < 0)
1034		goto err_pci_disable_device;
1035
1036	dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
1037	if (!dev->io_mem) {
1038		ret = -EIO;
1039		goto err_pci_release_regions;
1040	}
1041
1042	spin_lock_init(&dev->lock);
1043	pci_set_drvdata(pdev, dev);
1044
1045	ret = dm1105_hw_init(dev);
1046	if (ret < 0)
1047		goto err_pci_iounmap;
1048
1049	/* i2c */
1050	i2c_set_adapdata(&dev->i2c_adap, dev);
1051	strcpy(dev->i2c_adap.name, DRIVER_NAME);
1052	dev->i2c_adap.owner = THIS_MODULE;
1053	dev->i2c_adap.dev.parent = &pdev->dev;
1054	dev->i2c_adap.algo = &dm1105_algo;
1055	dev->i2c_adap.algo_data = dev;
1056	ret = i2c_add_adapter(&dev->i2c_adap);
1057
1058	if (ret < 0)
1059		goto err_dm1105_hw_exit;
1060
1061	i2c_set_adapdata(&dev->i2c_bb_adap, dev);
1062	strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
1063	dev->i2c_bb_adap.owner = THIS_MODULE;
1064	dev->i2c_bb_adap.dev.parent = &pdev->dev;
1065	dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
1066	dev->i2c_bit.data = dev;
1067	dev->i2c_bit.setsda = dm1105_setsda;
1068	dev->i2c_bit.setscl = dm1105_setscl;
1069	dev->i2c_bit.getsda = dm1105_getsda;
1070	dev->i2c_bit.getscl = dm1105_getscl;
1071	dev->i2c_bit.udelay = 10;
1072	dev->i2c_bit.timeout = 10;
1073
1074	/* Raise SCL and SDA */
1075	dm1105_setsda(dev, 1);
1076	dm1105_setscl(dev, 1);
1077
1078	ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
1079	if (ret < 0)
1080		goto err_i2c_del_adapter;
1081
1082	/* dvb */
1083	ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
1084					THIS_MODULE, &pdev->dev, adapter_nr);
1085	if (ret < 0)
1086		goto err_i2c_del_adapters;
1087
1088	dvb_adapter = &dev->dvb_adapter;
1089
1090	dm1105_read_mac(dev, dvb_adapter->proposed_mac);
1091
1092	dvbdemux = &dev->demux;
1093	dvbdemux->filternum = 256;
1094	dvbdemux->feednum = 256;
1095	dvbdemux->start_feed = dm1105_start_feed;
1096	dvbdemux->stop_feed = dm1105_stop_feed;
1097	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
1098			DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
1099	ret = dvb_dmx_init(dvbdemux);
1100	if (ret < 0)
1101		goto err_dvb_unregister_adapter;
1102
1103	dmx = &dvbdemux->dmx;
1104	dev->dmxdev.filternum = 256;
1105	dev->dmxdev.demux = dmx;
1106	dev->dmxdev.capabilities = 0;
1107
1108	ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
1109	if (ret < 0)
1110		goto err_dvb_dmx_release;
1111
1112	dev->hw_frontend.source = DMX_FRONTEND_0;
1113
1114	ret = dmx->add_frontend(dmx, &dev->hw_frontend);
1115	if (ret < 0)
1116		goto err_dvb_dmxdev_release;
1117
1118	dev->mem_frontend.source = DMX_MEMORY_FE;
1119
1120	ret = dmx->add_frontend(dmx, &dev->mem_frontend);
1121	if (ret < 0)
1122		goto err_remove_hw_frontend;
1123
1124	ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
1125	if (ret < 0)
1126		goto err_remove_mem_frontend;
1127
1128	ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
1129	if (ret < 0)
1130		goto err_disconnect_frontend;
1131
1132	ret = frontend_init(dev);
1133	if (ret < 0)
1134		goto err_dvb_net;
1135
1136	dm1105_ir_init(dev);
1137
1138	INIT_WORK(&dev->work, dm1105_dmx_buffer);
1139	sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
1140	dev->wq = create_singlethread_workqueue(dev->wqn);
1141	if (!dev->wq) {
1142		ret = -ENOMEM;
1143		goto err_dvb_net;
1144	}
1145
1146	ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
1147						DRIVER_NAME, dev);
1148	if (ret < 0)
1149		goto err_workqueue;
1150
1151	return 0;
1152
1153err_workqueue:
1154	destroy_workqueue(dev->wq);
1155err_dvb_net:
1156	dvb_net_release(&dev->dvbnet);
1157err_disconnect_frontend:
1158	dmx->disconnect_frontend(dmx);
1159err_remove_mem_frontend:
1160	dmx->remove_frontend(dmx, &dev->mem_frontend);
1161err_remove_hw_frontend:
1162	dmx->remove_frontend(dmx, &dev->hw_frontend);
1163err_dvb_dmxdev_release:
1164	dvb_dmxdev_release(&dev->dmxdev);
1165err_dvb_dmx_release:
1166	dvb_dmx_release(dvbdemux);
1167err_dvb_unregister_adapter:
1168	dvb_unregister_adapter(dvb_adapter);
1169err_i2c_del_adapters:
1170	i2c_del_adapter(&dev->i2c_bb_adap);
1171err_i2c_del_adapter:
1172	i2c_del_adapter(&dev->i2c_adap);
1173err_dm1105_hw_exit:
1174	dm1105_hw_exit(dev);
1175err_pci_iounmap:
1176	pci_iounmap(pdev, dev->io_mem);
1177err_pci_release_regions:
1178	pci_release_regions(pdev);
1179err_pci_disable_device:
1180	pci_disable_device(pdev);
1181err_kfree:
1182	kfree(dev);
1183	return ret;
1184}
1185
1186static void dm1105_remove(struct pci_dev *pdev)
1187{
1188	struct dm1105_dev *dev = pci_get_drvdata(pdev);
1189	struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
1190	struct dvb_demux *dvbdemux = &dev->demux;
1191	struct dmx_demux *dmx = &dvbdemux->dmx;
1192
1193	dm1105_ir_exit(dev);
1194	dmx->close(dmx);
1195	dvb_net_release(&dev->dvbnet);
1196	if (dev->fe)
1197		dvb_unregister_frontend(dev->fe);
1198
1199	dmx->disconnect_frontend(dmx);
1200	dmx->remove_frontend(dmx, &dev->mem_frontend);
1201	dmx->remove_frontend(dmx, &dev->hw_frontend);
1202	dvb_dmxdev_release(&dev->dmxdev);
1203	dvb_dmx_release(dvbdemux);
1204	dvb_unregister_adapter(dvb_adapter);
1205	i2c_del_adapter(&dev->i2c_adap);
1206
1207	dm1105_hw_exit(dev);
1208	synchronize_irq(pdev->irq);
1209	free_irq(pdev->irq, dev);
1210	pci_iounmap(pdev, dev->io_mem);
1211	pci_release_regions(pdev);
1212	pci_disable_device(pdev);
1213	dm1105_devcount--;
1214	kfree(dev);
1215}
1216
1217static struct pci_device_id dm1105_id_table[] = {
1218	{
1219		.vendor = PCI_VENDOR_ID_TRIGEM,
1220		.device = PCI_DEVICE_ID_DM1105,
1221		.subvendor = PCI_ANY_ID,
1222		.subdevice = PCI_ANY_ID,
1223	}, {
1224		.vendor = PCI_VENDOR_ID_AXESS,
1225		.device = PCI_DEVICE_ID_DM05,
1226		.subvendor = PCI_ANY_ID,
1227		.subdevice = PCI_ANY_ID,
1228	}, {
1229		/* empty */
1230	},
1231};
1232
1233MODULE_DEVICE_TABLE(pci, dm1105_id_table);
1234
1235static struct pci_driver dm1105_driver = {
1236	.name = DRIVER_NAME,
1237	.id_table = dm1105_id_table,
1238	.probe = dm1105_probe,
1239	.remove = dm1105_remove,
1240};
1241
1242module_pci_driver(dm1105_driver);
1243
1244MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
1245MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
1246MODULE_LICENSE("GPL");
1247