linux-vybrid_public/drivers/media/dvb/siano/smscoreapi.h

/*
 *  Driver for the Siano SMS1xxx USB dongle
 *
 *  author: Anatoly Greenblat
 *
 *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3 as
 *  published by the Free Software Foundation;
 *
 *  Software distributed under the License is distributed on an "AS IS"
 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
 *
 *  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.
 */

#ifndef __smscoreapi_h__
#define __smscoreapi_h__

#include <linux/version.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <asm/scatterlist.h>
#include <asm/page.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"

#include <linux/mutex.h>

typedef struct mutex kmutex_t;

#define kmutex_init(_p_) mutex_init(_p_)
#define kmutex_lock(_p_) mutex_lock(_p_)
#define kmutex_trylock(_p_) mutex_trylock(_p_)
#define kmutex_unlock(_p_) mutex_unlock(_p_)


#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif

#define SMS_ALLOC_ALIGNMENT					128
#define SMS_DMA_ALIGNMENT					16
#define SMS_ALIGN_ADDRESS(addr) ((((u32)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))

#define SMS_DEVICE_FAMILY2					1
#define SMS_ROM_NO_RESPONSE					2
#define SMS_DEVICE_NOT_READY				0x8000000

typedef enum {
	SMS_STELLAR= 0,
	SMS_NOVA_A0,
	SMS_NOVA_B0,
	SMS_VEGA,
	SMS_NUM_OF_DEVICE_TYPES
} sms_device_type_st;

typedef struct _smscore_device smscore_device_t;
typedef struct _smscore_client smscore_client_t;
typedef struct _smscore_buffer smscore_buffer_t;

typedef int (*hotplug_t)(smscore_device_t *coredev, struct device *device, int arrival);

typedef int (*setmode_t)(void *context, int mode);
typedef void (*detectmode_t)(void *context, int *mode);
typedef int (*sendrequest_t)(void *context, void *buffer, size_t size);
typedef int (*loadfirmware_t)(void *context, void *buffer, size_t size);
typedef int (*preload_t)(void *context);
typedef int (*postload_t)(void *context);

typedef int (*onresponse_t)(void *context, smscore_buffer_t *cb);
typedef void (*onremove_t)(void *context);

typedef struct _smscore_buffer
{
	/* public members, once passed to clients can be changed freely */
	struct list_head entry;
	int				size;
	int				offset;

	/* private members, read-only for clients */
	void			*p;
	dma_addr_t		phys;
	unsigned long	offset_in_common;
} *psmscore_buffer_t;

typedef struct _smsdevice_params
{
	struct device	*device;

	int				buffer_size;
	int				num_buffers;

	char			devpath[32];
	unsigned long	flags;

	setmode_t		setmode_handler;
	detectmode_t	detectmode_handler;
	sendrequest_t	sendrequest_handler;
	preload_t		preload_handler;
	postload_t		postload_handler;

	void			*context;
	sms_device_type_st device_type;
} smsdevice_params_t;

typedef struct _smsclient_params
{
	int				initial_id;
	int				data_type;
	onresponse_t	onresponse_handler;
	onremove_t		onremove_handler;

	void			*context;
} smsclient_params_t;

/* GPIO definitions for antenna frequency domain control (SMS8021) */
#define SMS_ANTENNA_GPIO_0					1
#define SMS_ANTENNA_GPIO_1					0

#define BW_8_MHZ							0
#define BW_7_MHZ							1
#define BW_6_MHZ							2
#define BW_5_MHZ							3
#define BW_ISDBT_1SEG						4
#define BW_ISDBT_3SEG						5

#define MSG_HDR_FLAG_SPLIT_MSG				4

#define MAX_GPIO_PIN_NUMBER					31

#define HIF_TASK							11
#define SMS_HOST_LIB						150
#define DVBT_BDA_CONTROL_MSG_ID				201

#define SMS_MAX_PAYLOAD_SIZE				240
#define SMS_TUNE_TIMEOUT					500

#define MSG_SMS_GPIO_CONFIG_REQ				507
#define MSG_SMS_GPIO_CONFIG_RES				508
#define MSG_SMS_GPIO_SET_LEVEL_REQ			509
#define MSG_SMS_GPIO_SET_LEVEL_RES			510
#define MSG_SMS_GPIO_GET_LEVEL_REQ			511
#define MSG_SMS_GPIO_GET_LEVEL_RES			512
#define MSG_SMS_RF_TUNE_REQ					561
#define MSG_SMS_RF_TUNE_RES					562
#define MSG_SMS_INIT_DEVICE_REQ				578
#define MSG_SMS_INIT_DEVICE_RES				579
#define MSG_SMS_ADD_PID_FILTER_REQ			601
#define MSG_SMS_ADD_PID_FILTER_RES			602
#define MSG_SMS_REMOVE_PID_FILTER_REQ		603
#define MSG_SMS_REMOVE_PID_FILTER_RES		604
#define MSG_SMS_DAB_CHANNEL					607
#define MSG_SMS_GET_PID_FILTER_LIST_REQ		608
#define MSG_SMS_GET_PID_FILTER_LIST_RES		609
#define MSG_SMS_GET_STATISTICS_REQ			615
#define MSG_SMS_GET_STATISTICS_RES			616
#define MSG_SMS_SET_ANTENNA_CONFIG_REQ		651
#define MSG_SMS_SET_ANTENNA_CONFIG_RES		652
#define MSG_SMS_GET_STATISTICS_EX_REQ		653
#define MSG_SMS_GET_STATISTICS_EX_RES		654
#define MSG_SMS_SLEEP_RESUME_COMP_IND		655
#define MSG_SMS_DATA_DOWNLOAD_REQ			660
#define MSG_SMS_DATA_DOWNLOAD_RES			661
#define MSG_SMS_SWDOWNLOAD_TRIGGER_REQ		664
#define MSG_SMS_SWDOWNLOAD_TRIGGER_RES		665
#define MSG_SMS_SWDOWNLOAD_BACKDOOR_REQ		666
#define MSG_SMS_SWDOWNLOAD_BACKDOOR_RES		667
#define MSG_SMS_GET_VERSION_EX_REQ			668
#define MSG_SMS_GET_VERSION_EX_RES			669
#define MSG_SMS_SET_CLOCK_OUTPUT_REQ		670
#define MSG_SMS_I2C_SET_FREQ_REQ			685
#define MSG_SMS_GENERIC_I2C_REQ				687
#define MSG_SMS_GENERIC_I2C_RES				688
#define MSG_SMS_DVBT_BDA_DATA				693
#define MSG_SW_RELOAD_REQ					697
#define MSG_SMS_DATA_MSG					699
#define MSG_SW_RELOAD_START_REQ				702
#define MSG_SW_RELOAD_START_RES				703
#define MSG_SW_RELOAD_EXEC_REQ				704
#define MSG_SW_RELOAD_EXEC_RES				705
#define MSG_SMS_SPI_INT_LINE_SET_REQ		710
#define MSG_SMS_ISDBT_TUNE_REQ				776
#define MSG_SMS_ISDBT_TUNE_RES				777

#define SMS_INIT_MSG_EX(ptr, type, src, dst, len) do { \
	(ptr)->msgType = type; (ptr)->msgSrcId = src; (ptr)->msgDstId = dst; \
	(ptr)->msgLength = len; (ptr)->msgFlags = 0; \
} while (0)
#define SMS_INIT_MSG(ptr, type, len) SMS_INIT_MSG_EX(ptr, type, 0, HIF_TASK, len)

typedef enum
{
	DEVICE_MODE_NONE = -1,
	DEVICE_MODE_DVBT = 0,
	DEVICE_MODE_DVBH,
	DEVICE_MODE_DAB_TDMB,
	DEVICE_MODE_DAB_TDMB_DABIP,
	DEVICE_MODE_DVBT_BDA,
	DEVICE_MODE_ISDBT,
	DEVICE_MODE_ISDBT_BDA,
	DEVICE_MODE_CMMB,
	DEVICE_MODE_RAW_TUNER,
	DEVICE_MODE_MAX,
} SMS_DEVICE_MODE;

typedef struct SmsMsgHdr_S
{
	u16	msgType;
	u8	msgSrcId;
	u8	msgDstId;
	u16	msgLength; /* Length of entire message, including header */
	u16	msgFlags;
} SmsMsgHdr_ST;

typedef struct SmsMsgData_S
{
	SmsMsgHdr_ST	xMsgHeader;
	u32			msgData[1];
} SmsMsgData_ST;

typedef struct SmsDataDownload_S
{
	SmsMsgHdr_ST	xMsgHeader;
	u32			MemAddr;
	u8			Payload[SMS_MAX_PAYLOAD_SIZE];
} SmsDataDownload_ST;

typedef struct SmsVersionRes_S
{
	SmsMsgHdr_ST	xMsgHeader;

	u16		ChipModel; /* e.g. 0x1102 for SMS-1102 "Nova" */
	u8		Step; /* 0 - Step A */
	u8		MetalFix; /* 0 - Metal 0 */

	u8		FirmwareId; /* 0xFF � ROM, otherwise the value indicated by SMSHOSTLIB_DEVICE_MODES_E */
	u8		SupportedProtocols; /* Bitwise OR combination of supported protocols */

	u8		VersionMajor;
	u8		VersionMinor;
	u8		VersionPatch;
	u8		VersionFieldPatch;

	u8		RomVersionMajor;
	u8		RomVersionMinor;
	u8		RomVersionPatch;
	u8		RomVersionFieldPatch;

	u8		TextLabel[34];
} SmsVersionRes_ST;

typedef struct SmsFirmware_S
{
	u32			CheckSum;
	u32			Length;
	u32			StartAddress;
	u8			Payload[1];
} SmsFirmware_ST;

typedef struct SMSHOSTLIB_STATISTICS_S
{
	u32 Reserved; /* Reserved */

	/* Common parameters */
	u32 IsRfLocked; /* 0 - not locked, 1 - locked */
	u32 IsDemodLocked; /* 0 - not locked, 1 - locked */
	u32 IsExternalLNAOn; /* 0 - external LNA off, 1 - external LNA on */

	/* Reception quality */
	s32  SNR; /* dB */
	u32 BER; /* Post Viterbi BER [1E-5] */
	u32 FIB_CRC;	/* CRC errors percentage, valid only for DAB */
	u32 TS_PER; /* Transport stream PER, 0xFFFFFFFF indicate N/A, valid only for DVB-T/H */
	u32 MFER; /* DVB-H frame error rate in percentage, 0xFFFFFFFF indicate N/A, valid only for DVB-H */
	s32  RSSI; /* dBm */
	s32  InBandPwr; /* In band power in dBM */
	s32  CarrierOffset; /* Carrier Offset in bin/1024 */

	/* Transmission parameters */
	u32 Frequency; /* Frequency in Hz */
	u32 Bandwidth; /* Bandwidth in MHz, valid only for DVB-T/H */
	u32 TransmissionMode; /* Transmission Mode, for DAB modes 1-4, for DVB-T/H FFT mode carriers in Kilos */
	u32 ModemState; /* from SMS_DvbModemState_ET , valid only for DVB-T/H */
	u32 GuardInterval; /* Guard Interval, 1 divided by value , valid only for DVB-T/H */
	u32 CodeRate; /* Code Rate from SMS_DvbModemState_ET, valid only for DVB-T/H */
	u32 LPCodeRate; /* Low Priority Code Rate from SMS_DvbModemState_ET, valid only for DVB-T/H */
	u32 Hierarchy; /* Hierarchy from SMS_Hierarchy_ET, valid only for DVB-T/H */
	u32 Constellation; /* Constellation from SMS_Constellation_ET, valid only for DVB-T/H */

	/* Burst parameters, valid only for DVB-H */
	u32 BurstSize; /* Current burst size in bytes, valid only for DVB-H */
	u32 BurstDuration; /* Current burst duration in mSec, valid only for DVB-H */
	u32 BurstCycleTime; /* Current burst cycle time in mSec, valid only for DVB-H */
	u32 CalculatedBurstCycleTime; /* Current burst cycle time in mSec, as calculated by demodulator, valid only for DVB-H */
	u32 NumOfRows; /* Number of rows in MPE table, valid only for DVB-H */
	u32 NumOfPaddCols; /* Number of padding columns in MPE table, valid only for DVB-H */
	u32 NumOfPunctCols; /* Number of puncturing columns in MPE table, valid only for DVB-H */
	u32 ErrorTSPackets; /* Number of erroneous transport-stream packets */
	u32 TotalTSPackets; /* Total number of transport-stream packets */
	u32 NumOfValidMpeTlbs; /* Number of MPE tables which do not include errors after MPE RS decoding */
	u32 NumOfInvalidMpeTlbs; /* Number of MPE tables which include errors after MPE RS decoding */
	u32 NumOfCorrectedMpeTlbs; /* Number of MPE tables which were corrected by MPE RS decoding */

	/* Common params */
	u32 BERErrorCount; /* Number of errornous SYNC bits. */
	u32 BERBitCount; /* Total number of SYNC bits. */

	/* Interface information */
	u32 SmsToHostTxErrors; /* Total number of transmission errors. */

	/* DAB/T-DMB */
	u32 PreBER; /* DAB/T-DMB only: Pre Viterbi BER [1E-5] */

	/* DVB-H TPS parameters */
	u32 CellId; /* TPS Cell ID in bits 15..0, bits 31..16 zero; if set to 0xFFFFFFFF cell_id not yet recovered */

} SMSHOSTLIB_STATISTICS_ST;

typedef struct
{
	u32 RequestResult;

	SMSHOSTLIB_STATISTICS_ST Stat;

	/* Split the calc of the SNR in DAB */
	u32 Signal; /* dB */
	u32 Noise; /* dB */

} SmsMsgStatisticsInfo_ST;

typedef struct SMSHOSTLIB_ISDBT_LAYER_STAT_S
{
	/* Per-layer information */
	u32 CodeRate; /* Code Rate from SMSHOSTLIB_CODE_RATE_ET, 255 means layer does not exist */
	u32 Constellation; /* Constellation from SMSHOSTLIB_CONSTELLATION_ET, 255 means layer does not exist */
	u32 BER; /* Post Viterbi BER [1E-5], 0xFFFFFFFF indicate N/A */
	u32 BERErrorCount; /* Post Viterbi Error Bits Count */
	u32 BERBitCount; /* Post Viterbi Total Bits Count */
	u32 PreBER; /* Pre Viterbi BER [1E-5], 0xFFFFFFFF indicate N/A */
	u32 TS_PER; /* Transport stream PER [%], 0xFFFFFFFF indicate N/A */
	u32 ErrorTSPackets; /* Number of erroneous transport-stream packets */
	u32 TotalTSPackets; /* Total number of transport-stream packets */
	u32 TILdepthI; /* Time interleaver depth I parameter, 255 means layer does not exist */
	u32 NumberOfSegments; /* Number of segments in layer A, 255 means layer does not exist */
	u32 TMCCErrors; /* TMCC errors */
} SMSHOSTLIB_ISDBT_LAYER_STAT_ST;

typedef struct SMSHOSTLIB_STATISTICS_ISDBT_S
{
	u32 StatisticsType; /* Enumerator identifying the type of the
				* structure.  Values are the same as
				* SMSHOSTLIB_DEVICE_MODES_E
				*
				* This field MUST always be first in any
				* statistics structure */

	u32 FullSize; /* Total size of the structure returned by the modem.  If the size requested by
			  * the host is smaller than FullSize, the struct will be truncated */

	/* Common parameters */
	u32 IsRfLocked; /* 0 - not locked, 1 - locked */
	u32 IsDemodLocked; /* 0 - not locked, 1 - locked */
	u32 IsExternalLNAOn; /* 0 - external LNA off, 1 - external LNA on */

	/* Reception quality */
	s32  SNR; /* dB */
	s32  RSSI; /* dBm */
	s32  InBandPwr; /* In band power in dBM */
	s32  CarrierOffset; /* Carrier Offset in Hz */

	/* Transmission parameters */
	u32 Frequency; /* Frequency in Hz */
	u32 Bandwidth; /* Bandwidth in MHz */
	u32 TransmissionMode; /* ISDB-T transmission mode */
	u32 ModemState; /* 0 - Acquisition, 1 - Locked */
	u32 GuardInterval; /* Guard Interval, 1 divided by value */
	u32 SystemType; /* ISDB-T system type (ISDB-T / ISDB-Tsb) */
	u32 PartialReception; /* TRUE - partial reception, FALSE otherwise */
	u32 NumOfLayers; /* Number of ISDB-T layers in the network */

	/* Per-layer information */
	/* Layers A, B and C */
	SMSHOSTLIB_ISDBT_LAYER_STAT_ST	LayerInfo[3]; /* Per-layer statistics, see SMSHOSTLIB_ISDBT_LAYER_STAT_ST */

	/* Interface information */
	u32 SmsToHostTxErrors; /* Total number of transmission errors. */

} SMSHOSTLIB_STATISTICS_ISDBT_ST;

typedef struct SMSHOSTLIB_STATISTICS_DVB_S
{
	u32 StatisticsType; /* Enumerator identifying the type of the structure.  Values are the same as SMSHOSTLIB_DEVICE_MODES_E
				* This fiels MUST always first in any statistics structure */

	u32 FullSize; /* Total size of the structure returned by the modem.  If the size requested by
			  * the host is smaller than FullSize, the struct will be truncated */
	/* Common parameters */
	u32 IsRfLocked; /* 0 - not locked, 1 - locked */
	u32 IsDemodLocked; /* 0 - not locked, 1 - locked */
	u32 IsExternalLNAOn; /* 0 - external LNA off, 1 - external LNA on */

	/* Reception quality */
	s32  SNR; /* dB */
	u32 BER; /* Post Viterbi BER [1E-5] */
	u32 BERErrorCount; /* Number of errornous SYNC bits. */
	u32 BERBitCount; /* Total number of SYNC bits. */
	u32 TS_PER; /* Transport stream PER, 0xFFFFFFFF indicate N/A */
	u32 MFER; /* DVB-H frame error rate in percentage, 0xFFFFFFFF indicate N/A, valid only for DVB-H */
	s32  RSSI; /* dBm */
	s32  InBandPwr; /* In band power in dBM */
	s32  CarrierOffset; /* Carrier Offset in bin/1024 */

	/* Transmission parameters */
	u32 Frequency; /* Frequency in Hz */
	u32 Bandwidth; /* Bandwidth in MHz */
	u32 ModemState; /* from SMSHOSTLIB_DVB_MODEM_STATE_ET */
	u32 TransmissionMode; /* FFT mode carriers in Kilos */
	u32 GuardInterval; /* Guard Interval, 1 divided by value */
	u32 CodeRate; /* Code Rate from SMSHOSTLIB_CODE_RATE_ET */
	u32 LPCodeRate; /* Low Priority Code Rate from SMSHOSTLIB_CODE_RATE_ET */
	u32 Hierarchy; /* Hierarchy from SMSHOSTLIB_HIERARCHY_ET */
	u32 Constellation; /* Constellation from SMSHOSTLIB_CONSTELLATION_ET */

	/* Burst parameters, valid only for DVB-H */
	u32 BurstSize; /* Current burst size in bytes, valid only for DVB-H */
	u32 BurstDuration; /* Current burst duration in mSec, valid only for DVB-H */
	u32 BurstCycleTime; /* Current burst cycle time in mSec, valid only for DVB-H */
	u32 CalculatedBurstCycleTime; /* Current burst cycle time in mSec, as calculated by demodulator, valid only for DVB-H */
	u32 NumOfRows; /* Number of rows in MPE table, valid only for DVB-H */
	u32 NumOfPaddCols; /* Number of padding columns in MPE table, valid only for DVB-H */
	u32 NumOfPunctCols; /* Number of puncturing columns in MPE table, valid only for DVB-H */
	u32 ErrorTSPackets; /* Number of erroneous transport-stream packets */
	u32 TotalTSPackets; /* Total number of transport-stream packets */
	u32 NumOfValidMpeTlbs; /* Number of MPE tables which do not include errors after MPE RS decoding, valid only for DVB-H */
	u32 NumOfInvalidMpeTlbs; /* Number of MPE tables which include errors after MPE RS decoding, valid only for DVB-H */
	u32 NumOfCorrectedMpeTlbs; /* Number of MPE tables which were corrected by MPE RS decoding, valid only for DVB-H */
	u32 NumMPEReceived; /* DVB-H, Num MPE section received */

	/* DVB-H TPS parameters */
	u32 CellId; /* TPS Cell ID in bits 15..0, bits 31..16 zero; if set to 0xFFFFFFFF cell_id not yet recovered */
	u32 DvbhSrvIndHP; /* DVB-H service indication info, bit 1 - Time Slicing indicator, bit 0 - MPE-FEC indicator */
	u32 DvbhSrvIndLP; /* DVB-H service indication info, bit 1 - Time Slicing indicator, bit 0 - MPE-FEC indicator */

	/* Interface information */
	u32 SmsToHostTxErrors; /* Total number of transmission errors. */

} SMSHOSTLIB_STATISTICS_DVB_ST;

typedef struct SMSHOSTLIB_GPIO_CONFIG_S
{
	u8	Direction; /* GPIO direction: Input - 0, Output - 1 */
	u8	PullUpDown; /* PullUp/PullDown: None - 0, PullDown - 1, PullUp - 2, Keeper - 3 */
	u8	InputCharacteristics; /* Input Characteristics: Normal - 0, Schmitt trigger - 1 */
	u8	OutputSlewRate; /* Output Slew Rate:	Fast slew rate - 0, Slow slew rate - 1 */
	u8	OutputDriving; /* Output driving capability: 4mA - 0, 8mA - 1, 12mA - 2, 16mA - 3 */
} SMSHOSTLIB_GPIO_CONFIG_ST;

typedef struct SMSHOSTLIB_I2C_REQ_S
{
	u32	DeviceAddress; /* I2c device address */
	u32	WriteCount; /* number of bytes to write */
	u32	ReadCount; /* number of bytes to read */
	u8	Data[1];
} SMSHOSTLIB_I2C_REQ_ST;

typedef struct SMSHOSTLIB_I2C_RES_S
{
	u32	Status; /* non-zero value in case of failure */
	u32	ReadCount; /* number of bytes read */
	u8	Data[1];
} SMSHOSTLIB_I2C_RES_ST;

typedef struct _smsdvb_client
{
	struct list_head entry;

	smscore_device_t	*coredev;
	smscore_client_t	*smsclient;

	struct dvb_adapter	adapter;
	struct dvb_demux	demux;
	struct dmxdev		dmxdev;
	struct dvb_frontend	frontend;

	fe_status_t		fe_status;
	int			fe_ber, fe_snr, fe_signal_strength;

	struct completion	tune_done, stat_done;

	/* todo: save freq/band instead whole struct */
	struct dvb_frontend_parameters fe_params;

} smsdvb_client_t;

extern void smscore_registry_setmode(char *devpath, int mode);
extern int smscore_registry_getmode(char *devpath);

extern int smscore_register_hotplug(hotplug_t hotplug);
extern void smscore_unregister_hotplug(hotplug_t hotplug);

extern int smscore_register_device(smsdevice_params_t *params,
				   smscore_device_t **coredev);
extern void smscore_unregister_device(smscore_device_t *coredev);

extern int smscore_start_device(smscore_device_t *coredev);
extern int smscore_load_firmware(smscore_device_t *coredev, char *filename,
				  loadfirmware_t loadfirmware_handler);

extern int smscore_load_firmware_from_buffer(smscore_device_t *coredev,
					     u8 *buffer, int size,
					     int new_mode);

extern int smscore_set_device_mode(smscore_device_t *coredev, int mode);
extern int smscore_get_device_mode(smscore_device_t *coredev);

extern int smscore_register_client(smscore_device_t *coredev,
				    smsclient_params_t *params,
				    smscore_client_t **client);
extern void smscore_unregister_client(smscore_client_t *client);

extern int smsclient_sendrequest(smscore_client_t *client,
				 void *buffer, size_t size);
extern void smscore_onresponse(smscore_device_t *coredev,
			       smscore_buffer_t *cb);

extern int smscore_get_common_buffer_size(smscore_device_t *coredev);
extern int smscore_map_common_buffer(smscore_device_t *coredev,
				      struct vm_area_struct *vma);

extern smscore_buffer_t *smscore_getbuffer(smscore_device_t *coredev);
extern void smscore_putbuffer(smscore_device_t *coredev, smscore_buffer_t *cb);

/* smsdvb.c */
int smsdvb_register(void);
void smsdvb_unregister(void);

/* smsusb.c */
int smsusb_register(void);
void smsusb_unregister(void);

#endif /* __smscoreapi_h__ */