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Release 4.7 drivers/media/pci/dm1105/dm1105.c

Directory: drivers/media/pci/dm1105
/*
 * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip
 *
 * Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <media/rc-core.h>

#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"
#include "dvb-pll.h"

#include "stv0299.h"
#include "stv0288.h"
#include "stb6000.h"
#include "si21xx.h"
#include "cx24116.h"
#include "z0194a.h"
#include "ts2020.h"
#include "ds3000.h"


#define MODULE_NAME "dm1105"


#define UNSET (-1U)


#define DM1105_BOARD_NOAUTO			UNSET

#define DM1105_BOARD_UNKNOWN			0

#define DM1105_BOARD_DVBWORLD_2002		1

#define DM1105_BOARD_DVBWORLD_2004		2

#define DM1105_BOARD_AXESS_DM05			3

#define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO	4

/* ----------------------------------------------- */
/*
 * PCI ID's
 */
#ifndef PCI_VENDOR_ID_TRIGEM

#define PCI_VENDOR_ID_TRIGEM	0x109f
#endif
#ifndef PCI_VENDOR_ID_AXESS

#define PCI_VENDOR_ID_AXESS	0x195d
#endif
#ifndef PCI_DEVICE_ID_DM1105

#define PCI_DEVICE_ID_DM1105	0x036f
#endif
#ifndef PCI_DEVICE_ID_DW2002

#define PCI_DEVICE_ID_DW2002	0x2002
#endif
#ifndef PCI_DEVICE_ID_DW2004

#define PCI_DEVICE_ID_DW2004	0x2004
#endif
#ifndef PCI_DEVICE_ID_DM05

#define PCI_DEVICE_ID_DM05	0x1105
#endif
/* ----------------------------------------------- */
/* sdmc dm1105 registers */

/* TS Control */

#define DM1105_TSCTR				0x00

#define DM1105_DTALENTH				0x04

/* GPIO Interface */

#define DM1105_GPIOVAL				0x08

#define DM1105_GPIOCTR				0x0c

/* PID serial number */

#define DM1105_PIDN				0x10

/* Odd-even secret key select */

#define DM1105_CWSEL				0x14

/* Host Command Interface */

#define DM1105_HOST_CTR				0x18

#define DM1105_HOST_AD				0x1c

/* PCI Interface */

#define DM1105_CR				0x30

#define DM1105_RST				0x34

#define DM1105_STADR				0x38

#define DM1105_RLEN				0x3c

#define DM1105_WRP				0x40

#define DM1105_INTCNT				0x44

#define DM1105_INTMAK				0x48

#define DM1105_INTSTS				0x4c

/* CW Value */

#define DM1105_ODD				0x50

#define DM1105_EVEN				0x58

/* PID Value */

#define DM1105_PID				0x60

/* IR Control */

#define DM1105_IRCTR				0x64

#define DM1105_IRMODE				0x68

#define DM1105_SYSTEMCODE			0x6c

#define DM1105_IRCODE				0x70

/* Unknown Values */

#define DM1105_ENCRYPT				0x74

#define DM1105_VER				0x7c

/* I2C Interface */

#define DM1105_I2CCTR				0x80

#define DM1105_I2CSTS				0x81

#define DM1105_I2CDAT				0x82

#define DM1105_I2C_RA				0x83
/* ----------------------------------------------- */
/* Interrupt Mask Bits */


#define INTMAK_TSIRQM				0x01

#define INTMAK_HIRQM				0x04

#define INTMAK_IRM				0x08

#define INTMAK_ALLMASK				(INTMAK_TSIRQM | \
                                                INTMAK_HIRQM | \
                                                INTMAK_IRM)

#define INTMAK_NONEMASK				0x00

/* Interrupt Status Bits */

#define INTSTS_TSIRQ				0x01

#define INTSTS_HIRQ				0x04

#define INTSTS_IR				0x08

/* IR Control Bits */

#define DM1105_IR_EN				0x01

#define DM1105_SYS_CHK				0x02

#define DM1105_REP_FLG				0x08

/* EEPROM addr */

#define IIC_24C01_addr				0xa0
/* Max board count */

#define DM1105_MAX				0x04


#define DRIVER_NAME				"dm1105"

#define DM1105_I2C_GPIO_NAME			"dm1105-gpio"


#define DM1105_DMA_PACKETS			47

#define DM1105_DMA_PACKET_LENGTH		(128*4)

#define DM1105_DMA_BYTES			(128 * 4 * DM1105_DMA_PACKETS)

/*  */

#define GPIO08					(1 << 8)

#define GPIO13					(1 << 13)

#define GPIO14					(1 << 14)

#define GPIO15					(1 << 15)

#define GPIO16					(1 << 16)

#define GPIO17					(1 << 17)

#define GPIO_ALL				0x03ffff

/* GPIO's for LNB power control */

#define DM1105_LNB_MASK				(GPIO_ALL & ~(GPIO14 | GPIO13))

#define DM1105_LNB_OFF				GPIO17

#define DM1105_LNB_13V				(GPIO16 | GPIO08)

#define DM1105_LNB_18V				GPIO08

/* GPIO's for LNB power control for Axess DM05 */

#define DM05_LNB_MASK				(GPIO_ALL & ~(GPIO14 | GPIO13))

#define DM05_LNB_OFF				GPIO17
/* actually 13v */

#define DM05_LNB_13V				GPIO17

#define DM05_LNB_18V				(GPIO17 | GPIO16)

/* GPIO's for LNB power control for unbranded with I2C on GPIO */

#define UNBR_LNB_MASK				(GPIO17 | GPIO16)

#define UNBR_LNB_OFF				0

#define UNBR_LNB_13V				GPIO17

#define UNBR_LNB_18V				(GPIO17 | GPIO16)


static unsigned int card[]  = {[0 ... 3] = UNSET };
module_param_array(card,  int, NULL, 0444);
MODULE_PARM_DESC(card, "card type");


static int ir_debug;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");


static unsigned int dm1105_devcount;


DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);


struct dm1105_board {
	
char	*name;
	struct	{
		



u32	mask, off, v13, v18;
	} 
lnb;
	

u32	gpio_scl, gpio_sda;
};


struct dm1105_subid {
	
u16     subvendor;
	
u16     subdevice;
	
u32     card;
};


static const struct dm1105_board dm1105_boards[] = {
	[DM1105_BOARD_UNKNOWN] = {
		.name		= "UNKNOWN/GENERIC",
		.lnb = {
			.mask = DM1105_LNB_MASK,
			.off = DM1105_LNB_OFF,
			.v13 = DM1105_LNB_13V,
			.v18 = DM1105_LNB_18V,
                },
        },
	[DM1105_BOARD_DVBWORLD_2002] = {
		.name		= "DVBWorld PCI 2002",
		.lnb = {
			.mask = DM1105_LNB_MASK,
			.off = DM1105_LNB_OFF,
			.v13 = DM1105_LNB_13V,
			.v18 = DM1105_LNB_18V,
                },
        },
	[DM1105_BOARD_DVBWORLD_2004] = {
		.name		= "DVBWorld PCI 2004",
		.lnb = {
			.mask = DM1105_LNB_MASK,
			.off = DM1105_LNB_OFF,
			.v13 = DM1105_LNB_13V,
			.v18 = DM1105_LNB_18V,
                },
        },
	[DM1105_BOARD_AXESS_DM05] = {
		.name		= "Axess/EasyTv DM05",
		.lnb = {
			.mask = DM05_LNB_MASK,
			.off = DM05_LNB_OFF,
			.v13 = DM05_LNB_13V,
			.v18 = DM05_LNB_18V,
                },
        },
	[DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
		.name		= "Unbranded DM1105 with i2c on GPIOs",
		.lnb = {
			.mask = UNBR_LNB_MASK,
			.off = UNBR_LNB_OFF,
			.v13 = UNBR_LNB_13V,
			.v18 = UNBR_LNB_18V,
                },
		.gpio_scl	= GPIO14,
		.gpio_sda	= GPIO13,
        },
};


static const struct dm1105_subid dm1105_subids[] = {
	{
		.subvendor = 0x0000,
		.subdevice = 0x2002,
		.card      = DM1105_BOARD_DVBWORLD_2002,
        }, {
		.subvendor = 0x0001,
		.subdevice = 0x2002,
		.card      = DM1105_BOARD_DVBWORLD_2002,
        }, {
		.subvendor = 0x0000,
		.subdevice = 0x2004,
		.card      = DM1105_BOARD_DVBWORLD_2004,
        }, {
		.subvendor = 0x0001,
		.subdevice = 0x2004,
		.card      = DM1105_BOARD_DVBWORLD_2004,
        }, {
		.subvendor = 0x195d,
		.subdevice = 0x1105,
		.card      = DM1105_BOARD_AXESS_DM05,
        },
};




static void dm1105_card_list(struct pci_dev *pci)
{
	int i;

	if (0 == pci->subsystem_vendor &&
			0 == pci->subsystem_device) {
		printk(KERN_ERR
			"dm1105: Your board has no valid PCI Subsystem ID\n"
			"dm1105: and thus can't be autodetected\n"
			"dm1105: Please pass card=<n> insmod option to\n"
			"dm1105: workaround that.  Redirect complaints to\n"
			"dm1105: the vendor of the TV card.  Best regards,\n"
			"dm1105: -- tux\n");
	} else {
		printk(KERN_ERR
			"dm1105: Your board isn't known (yet) to the driver.\n"
			"dm1105: You can try to pick one of the existing\n"
			"dm1105: card configs via card=<n> insmod option.\n"
			"dm1105: Updating to the latest version might help\n"
			"dm1105: as well.\n");
	}
	printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
		   "insmod option:\n");
	for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
		printk(KERN_ERR "dm1105:    card=%d -> %s\n",
				i, dm1105_boards[i].name);
}


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/* infrared remote control */

struct infrared {
	
struct rc_dev		*dev;
	
char			input_phys[32];
	
struct work_struct	work;
	
u32			ir_command;
};


struct dm1105_dev {
	/* pci */
	
struct pci_dev *pdev;
	
u8 __iomem *io_mem;

	/* ir */
	
struct infrared ir;

	/* dvb */
	
struct dmx_frontend hw_frontend;
	
struct dmx_frontend mem_frontend;
	
struct dmxdev dmxdev;
	
struct dvb_adapter dvb_adapter;
	
struct dvb_demux demux;
	
struct dvb_frontend *fe;
	
struct dvb_net dvbnet;
	
unsigned int full_ts_users;
	
unsigned int boardnr;
	
int nr;

	/* i2c */
	
struct i2c_adapter i2c_adap;
	
struct i2c_adapter i2c_bb_adap;
	
struct i2c_algo_bit_data i2c_bit;

	/* irq */
	
struct work_struct work;
	
struct workqueue_struct *wq;
	
char wqn[16];

	/* dma */
	
dma_addr_t dma_addr;
	
unsigned char *ts_buf;
	
u32 wrp;
	
u32 nextwrp;
	
u32 buffer_size;
	
unsigned int	PacketErrorCount;
	
unsigned int dmarst;
	
spinlock_t lock;
};


#define dm_io_mem(reg)	((unsigned long)(&dev->io_mem[reg]))


#define dm_readb(reg)		inb(dm_io_mem(reg))

#define dm_writeb(reg, value)	outb((value), (dm_io_mem(reg)))


#define dm_readw(reg)		inw(dm_io_mem(reg))

#define dm_writew(reg, value)	outw((value), (dm_io_mem(reg)))


#define dm_readl(reg)		inl(dm_io_mem(reg))

#define dm_writel(reg, value)	outl((value), (dm_io_mem(reg)))


#define dm_andorl(reg, mask, value) \
	outl((inl(dm_io_mem(reg)) & ~(mask)) |\
                ((value) & (mask)), (dm_io_mem(reg)))


#define dm_setl(reg, bit)	dm_andorl((reg), (bit), (bit))

#define dm_clearl(reg, bit)	dm_andorl((reg), (bit), 0)

/* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
 so we can use only 3 GPIO's from GPIO15 to GPIO17.
 Here I don't check whether HOST is enebled as it is not implemented yet.
 */



static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);

}


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static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);

}


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static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);

}


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static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;

	return 0;
}


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static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if ((mask & 0x0003ffff) && asoutput)
		dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
	else if ((mask & 0x0003ffff) && !asoutput)
		dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);

}


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static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
{
	if (state)
		dm1105_gpio_enable(dev, line, 0);
	else {
		dm1105_gpio_enable(dev, line, 1);
		dm1105_gpio_clear(dev, line);
	}
}


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static void dm1105_setsda(void *data, int state)
{
	struct dm1105_dev *dev = data;

	dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
}


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static void dm1105_setscl(void *data, int state)
{
	struct dm1105_dev *dev = data;

	dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
}


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static int dm1105_getsda(void *data)
{
	struct dm1105_dev *dev = data;

	return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
									? 1 : 0;
}


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static int dm1105_getscl(void *data)
{
	struct dm1105_dev *dev = data;

	return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
									? 1 : 0;
}


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static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
			    struct i2c_msg *msgs, int num)
{
	struct dm1105_dev *dev ;

	int addr, rc, i, j, k, len, byte, data;
	u8 status;

	dev = i2c_adap->algo_data;
	for (i = 0; i < num; i++) {
		dm_writeb(DM1105_I2CCTR, 0x00);
		if (msgs[i].flags & I2C_M_RD) {
			/* read bytes */
			addr  = msgs[i].addr << 1;
			addr |= 1;
			dm_writeb(DM1105_I2CDAT, addr);
			for (byte = 0; byte < msgs[i].len; byte++)
				dm_writeb(DM1105_I2CDAT + byte + 1, 0);

			dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
			for (j = 0; j < 55; j++) {
				mdelay(10);
				status = dm_readb(DM1105_I2CSTS);
				if ((status & 0xc0) == 0x40)
					break;
			}
			if (j >= 55)
				return -1;

			for (byte = 0; byte < msgs[i].len; byte++) {
				rc = dm_readb(DM1105_I2CDAT + byte + 1);
				if (rc < 0)
					goto err;
				msgs[i].buf[byte] = rc;
			}
		} else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
			/* prepaired for cx24116 firmware */
			/* Write in small blocks */
			len = msgs[i].len - 1;
			k = 1;
			do {
				dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
				dm_writeb(DM1105_I2CDAT + 1, 0xf7);
				for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
					data = msgs[i].buf[k + byte];
					dm_writeb(DM1105_I2CDAT + byte + 2, data);
				}
				dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
				for (j = 0; j < 25; j++) {
					mdelay(10);
					status = dm_readb(DM1105_I2CSTS);
					if ((status & 0xc0) == 0x40)
						break;
				}

				if (j >= 25)
					return -1;

				k += 48;
				len -= 48;
			} while (len > 0);
		} else {
			/* write bytes */
			dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
			for (byte = 0; byte < msgs[i].len; byte++) {
				data = msgs[i].buf[byte];
				dm_writeb(DM1105_I2CDAT + byte + 1, data);
			}
			dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
			for (j = 0; j < 25; j++) {
				mdelay(10);
				status = dm_readb(DM1105_I2CSTS);
				if ((status & 0xc0) == 0x40)
					break;
			}

			if (j >= 25)
				return -1;
		}
	}
	return num;
 err:
	return rc;
}


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static u32 functionality(struct i2c_adapter *adap)
{
	return I2C_FUNC_I2C;
}


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static struct i2c_algorithm dm1105_algo = {
	.master_xfer   = dm1105_i2c_xfer,
	.functionality = functionality,
};




static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
{
	return container_of(feed->demux, struct dm1105_dev, demux);
}


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static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
{
	return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
}


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static int dm1105_set_voltage(struct dvb_frontend *fe,
			      enum fe_sec_voltage voltage)
{
	struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);

	dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
	if (voltage == SEC_VOLTAGE_18)
		dm1105_gpio_andor(dev,
				dm1105_boards[dev->boardnr].lnb.mask,
				dm1105_boards[dev->boardnr].lnb.v18);
	else if (voltage == SEC_VOLTAGE_13)
		dm1105_gpio_andor(dev,
				dm1105_boards[dev->boardnr].lnb.mask,
				dm1105_boards[dev->boardnr].lnb.v13);
	else
		dm1105_gpio_andor(dev,
				dm1105_boards[dev->boardnr].lnb.mask,
				dm1105_boards[dev->boardnr].lnb.off);

	return 0;
}


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static void dm1105_set_dma_addr(struct dm1105_dev *dev)
{
	dm_writel(DM1105_STADR, (__force u32)cpu_to_le32(dev->dma_addr));
}


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hans verkuilhans verkuil414.81%125.00%


Total27100.00%4100.00%






static int dm1105_dma_map(struct dm1105_dev *dev)
{
	dev->ts_buf = pci_alloc_consistent(dev->pdev,
					6 * DM1105_DMA_BYTES,
					&dev->dma_addr);

	return !dev->ts_buf;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin3594.59%266.67%


fujita tomonorifujita tomonori25.41%133.33%


Total37100.00%3100.00%






static void dm1105_dma_unmap(struct dm1105_dev *dev)
{
	pci_free_consistent(dev->pdev,
			6 * DM1105_DMA_BYTES,
			dev->ts_buf,
			dev->dma_addr);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin30100.00%2100.00%


Total30100.00%2100.00%






static void dm1105_enable_irqs(struct dm1105_dev *dev)
{
	dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
	dm_writeb(DM1105_CR, 1);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin25100.00%3100.00%


Total25100.00%3100.00%






static void dm1105_disable_irqs(struct dm1105_dev *dev)
{
	dm_writeb(DM1105_INTMAK, INTMAK_IRM);
	dm_writeb(DM1105_CR, 0);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin25100.00%3100.00%


Total25100.00%3100.00%






static int dm1105_start_feed(struct dvb_demux_feed *f)
{
	struct dm1105_dev *dev = feed_to_dm1105_dev(f);

	if (dev->full_ts_users++ == 0)
		dm1105_enable_irqs(dev);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin38100.00%2100.00%


Total38100.00%2100.00%






static int dm1105_stop_feed(struct dvb_demux_feed *f)
{
	struct dm1105_dev *dev = feed_to_dm1105_dev(f);

	if (--dev->full_ts_users == 0)
		dm1105_disable_irqs(dev);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin38100.00%2100.00%


Total38100.00%2100.00%



/* ir work handler */



static void dm1105_emit_key(struct work_struct *work)
{
	struct infrared *ir = container_of(work, struct infrared, work);
	u32 ircom = ir->ir_command;
	u8 data;

	if (ir_debug)
		printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);

	data = (ircom >> 8) & 0x7f;

	/* FIXME: UNKNOWN because we don't generate a full NEC scancode (yet?) */
	rc_keydown(ir->dev, RC_TYPE_UNKNOWN, data, 0);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin6891.89%342.86%


david hardemandavid hardeman56.76%342.86%


mauro carvalho chehabmauro carvalho chehab11.35%114.29%


Total74100.00%7100.00%



/* work handler */



static void dm1105_dmx_buffer(struct work_struct *work)
{
	struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
	unsigned int nbpackets;
	u32 oldwrp = dev->wrp;
	u32 nextwrp = dev->nextwrp;

	if (!((dev->ts_buf[oldwrp] == 0x47) &&
			(dev->ts_buf[oldwrp + 188] == 0x47) &&
			(dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
		dev->PacketErrorCount++;
		/* bad packet found */
		if ((dev->PacketErrorCount >= 2) &&
				(dev->dmarst == 0)) {
			dm_writeb(DM1105_RST, 1);
			dev->wrp = 0;
			dev->PacketErrorCount = 0;
			dev->dmarst = 0;
			return;
		}
	}

	if (nextwrp < oldwrp) {
		memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
		nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
	} else
		nbpackets = (nextwrp - oldwrp) / 188;

	dev->wrp = nextwrp;
	dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin218100.00%4100.00%


Total218100.00%4100.00%






static irqreturn_t dm1105_irq(int irq, void *dev_id)
{
	struct dm1105_dev *dev = dev_id;

	/* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
	unsigned int intsts = dm_readb(DM1105_INTSTS);
	dm_writeb(DM1105_INTSTS, intsts);

	switch (intsts) {
	case INTSTS_TSIRQ:
	case (INTSTS_TSIRQ | INTSTS_IR):
		dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
		queue_work(dev->wq, &dev->work);
		break;
	case INTSTS_IR:
		dev->ir.ir_command = dm_readl(DM1105_IRCODE);
		schedule_work(&dev->ir.work);
		break;
	}

	return IRQ_HANDLED;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin108100.00%6100.00%


Total108100.00%6100.00%






static int dm1105_ir_init(struct dm1105_dev *dm1105)
{
	struct rc_dev *dev;
	int err = -ENOMEM;

	dev = rc_allocate_device();
	if (!dev)
		return -ENOMEM;

	snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
		"pci-%s/ir0", pci_name(dm1105->pdev));

	dev->driver_name = MODULE_NAME;
	dev->map_name = RC_MAP_DM1105_NEC;
	dev->driver_type = RC_DRIVER_SCANCODE;
	dev->input_name = "DVB on-card IR receiver";
	dev->input_phys = dm1105->ir.input_phys;
	dev->input_id.bustype = BUS_PCI;
	dev->input_id.version = 1;
	if (dm1105->pdev->subsystem_vendor) {
		dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
		dev->input_id.product = dm1105->pdev->subsystem_device;
	} else {
		dev->input_id.vendor = dm1105->pdev->vendor;
		dev->input_id.product = dm1105->pdev->device;
	}
	dev->dev.parent = &dm1105->pdev->dev;

	INIT_WORK(&dm1105->ir.work, dm1105_emit_key);

	err = rc_register_device(dev);
	if (err < 0) {
		rc_free_device(dev);
		return err;
	}

	dm1105->ir.dev = dev;
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin16671.24%350.00%


david hardemandavid hardeman6628.33%233.33%


mauro carvalho chehabmauro carvalho chehab10.43%116.67%


Total233100.00%6100.00%






static void dm1105_ir_exit(struct dm1105_dev *dm1105)
{
	rc_unregister_device(dm1105->ir.dev);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin1050.00%240.00%


mauro carvalho chehabmauro carvalho chehab840.00%240.00%


david hardemandavid hardeman210.00%120.00%


Total20100.00%5100.00%






static int dm1105_hw_init(struct dm1105_dev *dev)
{
	dm1105_disable_irqs(dev);

	dm_writeb(DM1105_HOST_CTR, 0);

	/*DATALEN 188,*/
	dm_writeb(DM1105_DTALENTH, 188);
	/*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
	dm_writew(DM1105_TSCTR, 0xc10a);

	/* map DMA and set address */
	dm1105_dma_map(dev);
	dm1105_set_dma_addr(dev);
	/* big buffer */
	dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
	dm_writeb(DM1105_INTCNT, 47);

	/* IR NEC mode enable */
	dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
	dm_writeb(DM1105_IRMODE, 0);
	dm_writew(DM1105_SYSTEMCODE, 0);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin96100.00%3100.00%


Total96100.00%3100.00%






static void dm1105_hw_exit(struct dm1105_dev *dev)
{
	dm1105_disable_irqs(dev);

	/* IR disable */
	dm_writeb(DM1105_IRCTR, 0);
	dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);

	dm1105_dma_unmap(dev);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin36100.00%3100.00%


Total36100.00%3100.00%




static struct stv0299_config sharp_z0194a_config = {
	.demod_address = 0x68,
	.inittab = sharp_z0194a_inittab,
	.mclk = 88000000UL,
	.invert = 1,
	.skip_reinit = 0,
	.lock_output = STV0299_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP1,
	.min_delay_ms = 100,
	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
};


static struct stv0288_config earda_config = {
	.demod_address = 0x68,
	.min_delay_ms = 100,
};


static struct si21xx_config serit_config = {
	.demod_address = 0x68,
	.min_delay_ms = 100,

};


static struct cx24116_config serit_sp2633_config = {
	.demod_address = 0x55,
};


static struct ds3000_config dvbworld_ds3000_config = {
	.demod_address = 0x68,
};


static struct ts2020_config dvbworld_ts2020_config  = {
	.tuner_address = 0x60,
	.clk_out_div = 1,
};




static int frontend_init(struct dm1105_dev *dev)
{
	int ret;

	switch (dev->boardnr) {
	case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
		dm1105_gpio_enable(dev, GPIO15, 1);
		dm1105_gpio_clear(dev, GPIO15);
		msleep(100);
		dm1105_gpio_set(dev, GPIO15);
		msleep(200);
		dev->fe = dvb_attach(
			stv0299_attach, &sharp_z0194a_config,
			&dev->i2c_bb_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
					&dev->i2c_bb_adap, DVB_PLL_OPERA1);
			break;
		}

		dev->fe = dvb_attach(
			stv0288_attach, &earda_config,
			&dev->i2c_bb_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(stb6000_attach, dev->fe, 0x61,
					&dev->i2c_bb_adap);
			break;
		}

		dev->fe = dvb_attach(
			si21xx_attach, &serit_config,
			&dev->i2c_bb_adap);
		if (dev->fe)
			dev->fe->ops.set_voltage = dm1105_set_voltage;
		break;
	case DM1105_BOARD_DVBWORLD_2004:
		dev->fe = dvb_attach(
			cx24116_attach, &serit_sp2633_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			break;
		}

		dev->fe = dvb_attach(
			ds3000_attach, &dvbworld_ds3000_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dvb_attach(ts2020_attach, dev->fe,
				&dvbworld_ts2020_config, &dev->i2c_adap);
			dev->fe->ops.set_voltage = dm1105_set_voltage;
		}

		break;
	case DM1105_BOARD_DVBWORLD_2002:
	case DM1105_BOARD_AXESS_DM05:
	default:
		dev->fe = dvb_attach(
			stv0299_attach, &sharp_z0194a_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
					&dev->i2c_adap, DVB_PLL_OPERA1);
			break;
		}

		dev->fe = dvb_attach(
			stv0288_attach, &earda_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(stb6000_attach, dev->fe, 0x61,
					&dev->i2c_adap);
			break;
		}

		dev->fe = dvb_attach(
			si21xx_attach, &serit_config,
			&dev->i2c_adap);
		if (dev->fe)
			dev->fe->ops.set_voltage = dm1105_set_voltage;

	}

	if (!dev->fe) {
		dev_err(&dev->pdev->dev, "could not attach frontend\n");
		return -ENODEV;
	}

	ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
	if (ret < 0) {
		if (dev->fe->ops.release)
			dev->fe->ops.release(dev->fe);
		dev->fe = NULL;
		return ret;
	}

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin49996.33%990.00%


konstantin dimitrovkonstantin dimitrov193.67%110.00%


Total518100.00%10100.00%






static void dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
{
	static u8 command[1] = { 0x28 };

	struct i2c_msg msg[] = {
		{
			.addr = IIC_24C01_addr >> 1,
			.flags = 0,
			.buf = command,
			.len = 1
		}, {
			.addr = IIC_24C01_addr >> 1,
			.flags = I2C_M_RD,
			.buf = mac,
			.len = 6
		},
        };

	dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
	dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin10699.07%266.67%


johannes bergjohannes berg10.93%133.33%


Total107100.00%3100.00%






static int dm1105_probe(struct pci_dev *pdev,
				  const struct pci_device_id *ent)
{
	struct dm1105_dev *dev;
	struct dvb_adapter *dvb_adapter;
	struct dvb_demux *dvbdemux;
	struct dmx_demux *dmx;
	int ret = -ENOMEM;
	int i;

	dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;

	/* board config */
	dev->nr = dm1105_devcount;
	dev->boardnr = UNSET;
	if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
		dev->boardnr = card[dev->nr];
	for (i = 0; UNSET == dev->boardnr &&
				i < ARRAY_SIZE(dm1105_subids); i++)
		if (pdev->subsystem_vendor ==
			dm1105_subids[i].subvendor &&
				pdev->subsystem_device ==
					dm1105_subids[i].subdevice)
			dev->boardnr = dm1105_subids[i].card;

	if (UNSET == dev->boardnr) {
		dev->boardnr = DM1105_BOARD_UNKNOWN;
		dm1105_card_list(pdev);
	}

	dm1105_devcount++;
	dev->pdev = pdev;
	dev->buffer_size = 5 * DM1105_DMA_BYTES;
	dev->PacketErrorCount = 0;
	dev->dmarst = 0;

	ret = pci_enable_device(pdev);
	if (ret < 0)
		goto err_kfree;

	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
	if (ret < 0)
		goto err_pci_disable_device;

	pci_set_master(pdev);

	ret = pci_request_regions(pdev, DRIVER_NAME);
	if (ret < 0)
		goto err_pci_disable_device;

	dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
	if (!dev->io_mem) {
		ret = -EIO;
		goto err_pci_release_regions;
	}

	spin_lock_init(&dev->lock);
	pci_set_drvdata(pdev, dev);

	ret = dm1105_hw_init(dev);
	if (ret < 0)
		goto err_pci_iounmap;

	/* i2c */
	i2c_set_adapdata(&dev->i2c_adap, dev);
	strcpy(dev->i2c_adap.name, DRIVER_NAME);
	dev->i2c_adap.owner = THIS_MODULE;
	dev->i2c_adap.dev.parent = &pdev->dev;
	dev->i2c_adap.algo = &dm1105_algo;
	dev->i2c_adap.algo_data = dev;
	ret = i2c_add_adapter(&dev->i2c_adap);

	if (ret < 0)
		goto err_dm1105_hw_exit;

	i2c_set_adapdata(&dev->i2c_bb_adap, dev);
	strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
	dev->i2c_bb_adap.owner = THIS_MODULE;
	dev->i2c_bb_adap.dev.parent = &pdev->dev;
	dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
	dev->i2c_bit.data = dev;
	dev->i2c_bit.setsda = dm1105_setsda;
	dev->i2c_bit.setscl = dm1105_setscl;
	dev->i2c_bit.getsda = dm1105_getsda;
	dev->i2c_bit.getscl = dm1105_getscl;
	dev->i2c_bit.udelay = 10;
	dev->i2c_bit.timeout = 10;

	/* Raise SCL and SDA */
	dm1105_setsda(dev, 1);
	dm1105_setscl(dev, 1);

	ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
	if (ret < 0)
		goto err_i2c_del_adapter;

	/* dvb */
	ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
					THIS_MODULE, &pdev->dev, adapter_nr);
	if (ret < 0)
		goto err_i2c_del_adapters;

	dvb_adapter = &dev->dvb_adapter;

	dm1105_read_mac(dev, dvb_adapter->proposed_mac);

	dvbdemux = &dev->demux;
	dvbdemux->filternum = 256;
	dvbdemux->feednum = 256;
	dvbdemux->start_feed = dm1105_start_feed;
	dvbdemux->stop_feed = dm1105_stop_feed;
	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
			DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
	ret = dvb_dmx_init(dvbdemux);
	if (ret < 0)
		goto err_dvb_unregister_adapter;

	dmx = &dvbdemux->dmx;
	dev->dmxdev.filternum = 256;
	dev->dmxdev.demux = dmx;
	dev->dmxdev.capabilities = 0;

	ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
	if (ret < 0)
		goto err_dvb_dmx_release;

	dev->hw_frontend.source = DMX_FRONTEND_0;

	ret = dmx->add_frontend(dmx, &dev->hw_frontend);
	if (ret < 0)
		goto err_dvb_dmxdev_release;

	dev->mem_frontend.source = DMX_MEMORY_FE;

	ret = dmx->add_frontend(dmx, &dev->mem_frontend);
	if (ret < 0)
		goto err_remove_hw_frontend;

	ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
	if (ret < 0)
		goto err_remove_mem_frontend;

	ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
	if (ret < 0)
		goto err_disconnect_frontend;

	ret = frontend_init(dev);
	if (ret < 0)
		goto err_dvb_net;

	dm1105_ir_init(dev);

	INIT_WORK(&dev->work, dm1105_dmx_buffer);
	sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
	dev->wq = create_singlethread_workqueue(dev->wqn);
	if (!dev->wq) {
		ret = -ENOMEM;
		goto err_dvb_net;
	}

	ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
						DRIVER_NAME, dev);
	if (ret < 0)
		goto err_workqueue;

	return 0;

err_workqueue:
	destroy_workqueue(dev->wq);
err_dvb_net:
	dvb_net_release(&dev->dvbnet);
err_disconnect_frontend:
	dmx->disconnect_frontend(dmx);
err_remove_mem_frontend:
	dmx->remove_frontend(dmx, &dev->mem_frontend);
err_remove_hw_frontend:
	dmx->remove_frontend(dmx, &dev->hw_frontend);
err_dvb_dmxdev_release:
	dvb_dmxdev_release(&dev->dmxdev);
err_dvb_dmx_release:
	dvb_dmx_release(dvbdemux);
err_dvb_unregister_adapter:
	dvb_unregister_adapter(dvb_adapter);
err_i2c_del_adapters:
	i2c_del_adapter(&dev->i2c_bb_adap);
err_i2c_del_adapter:
	i2c_del_adapter(&dev->i2c_adap);
err_dm1105_hw_exit:
	dm1105_hw_exit(dev);
err_pci_iounmap:
	pci_iounmap(pdev, dev->io_mem);
err_pci_release_regions:
	pci_release_regions(pdev);
err_pci_disable_device:
	pci_disable_device(pdev);
err_kfree:
	kfree(dev);
	return ret;
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin104597.12%660.00%


jonathan niederjonathan nieder201.86%220.00%


peter senna tschudinpeter senna tschudin70.65%110.00%


yang hongyangyang hongyang40.37%110.00%


Total1076100.00%10100.00%






static void dm1105_remove(struct pci_dev *pdev)
{
	struct dm1105_dev *dev = pci_get_drvdata(pdev);
	struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
	struct dvb_demux *dvbdemux = &dev->demux;
	struct dmx_demux *dmx = &dvbdemux->dmx;

	dm1105_ir_exit(dev);
	dmx->close(dmx);
	dvb_net_release(&dev->dvbnet);
	if (dev->fe)
		dvb_unregister_frontend(dev->fe);

	dmx->disconnect_frontend(dmx);
	dmx->remove_frontend(dmx, &dev->mem_frontend);
	dmx->remove_frontend(dmx, &dev->hw_frontend);
	dvb_dmxdev_release(&dev->dmxdev);
	dvb_dmx_release(dvbdemux);
	dvb_unregister_adapter(dvb_adapter);
	i2c_del_adapter(&dev->i2c_adap);

	dm1105_hw_exit(dev);
	free_irq(pdev->irq, dev);
	pci_iounmap(pdev, dev->io_mem);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	dm1105_devcount--;
	kfree(dev);
}


Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin182100.00%3100.00%


Total182100.00%3100.00%




static struct pci_device_id dm1105_id_table[] = {
	{
		.vendor = PCI_VENDOR_ID_TRIGEM,
		.device = PCI_DEVICE_ID_DM1105,
		.subvendor = PCI_ANY_ID,
		.subdevice = PCI_ANY_ID,
        }, {
		.vendor = PCI_VENDOR_ID_AXESS,
		.device = PCI_DEVICE_ID_DM05,
		.subvendor = PCI_ANY_ID,
		.subdevice = PCI_ANY_ID,
        }, {
		/* empty */
	},
};

MODULE_DEVICE_TABLE(pci, dm1105_id_table);


static struct pci_driver dm1105_driver = {
	.name = DRIVER_NAME,
	.id_table = dm1105_id_table,
	.probe = dm1105_probe,
	.remove = dm1105_remove,
};


module_pci_driver(dm1105_driver);

MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
MODULE_LICENSE("GPL");

Overall Contributors
PersonTokensPropCommitsCommitProp
igor m. liplianinigor m. liplianin538596.90%1542.86%


david hardemandavid hardeman751.35%38.57%


konstantin dimitrovkonstantin dimitrov340.61%12.86%


jonathan niederjonathan nieder200.36%25.71%


mauro carvalho chehabmauro carvalho chehab170.31%617.14%


peter senna tschudinpeter senna tschudin70.13%12.86%


yang hongyangyang hongyang40.07%12.86%


hans verkuilhans verkuil40.07%12.86%


tejun heotejun heo30.05%12.86%


alexey dobriyanalexey dobriyan30.05%12.86%


fujita tomonorifujita tomonori20.04%12.86%


libo chenlibo chen20.04%12.86%


johannes bergjohannes berg10.02%12.86%


greg kroah-hartmangreg kroah-hartman0.00%00.00%


Total5557100.00%35100.00%

  
Directory: drivers/media/pci/dm1105



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