path: root/drivers/media/dvb/dm1105/dm1105.c

/*
 * 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/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 "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 {