smscoreapi.h

/****************************************************************

Siano Mobile Silicon, Inc.
MDTV receiver kernel modules.
Copyright (C) 2006-2008, Uri Shkolnik, Anatoly Greenblat

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, see <http://www.gnu.org/licenses/>.

****************************************************************/

#ifndef __SMS_CORE_API_H__
#define __SMS_CORE_API_H__

#include <linux/device.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/timer.h>

#include <asm/page.h>

#include "smsir.h"

#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_PROTOCOL_MAX_RAOUNDTRIP_MS			(10000)
#define SMS_ALLOC_ALIGNMENT				128
#define SMS_DMA_ALIGNMENT				16
#define SMS_ALIGN_ADDRESS(addr) \
	((((uintptr_t)(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

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

struct smscore_device_t;
struct smscore_client_t;
struct smscore_buffer_t;

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

struct smscore_buffer_t {
	/* 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;
};

struct smsdevice_params_t {
	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;
	enum sms_device_type_st device_type;
};

struct smsclient_params_t {
	int				initial_id;
	int				data_type;
	onresponse_t	onresponse_handler;
	onremove_t		onremove_handler;
	void			*context;
};

struct smscore_device_t {
	struct list_head entry;

	struct list_head clients;
	struct list_head subclients;
	spinlock_t clientslock;

	struct list_head buffers;
	spinlock_t bufferslock;
	int num_buffers;

	void *common_buffer;
	int common_buffer_size;
	dma_addr_t common_buffer_phys;

	void *context;
	struct device *device;

	char devpath[32];
	unsigned long device_flags;

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

	int mode, modes_supported;

	/* host <--> device messages */
	struct completion version_ex_done, data_download_done, trigger_done;
	struct completion init_device_done, reload_start_done, resume_done;
	struct completion gpio_configuration_done, gpio_set_level_done;
	struct completion gpio_get_level_done, ir_init_done;

	/* Buffer management */
	wait_queue_head_t buffer_mng_waitq;

	/* GPIO */
	int gpio_get_res;

	/* Target hardware board */
	int board_id;

	/* Firmware */
	u8 *fw_buf;
	u32 fw_buf_size;

	/* Infrared (IR) */
	struct ir_t ir;

	int led_state;
};

/* 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_RES			616
#define MSG_SMS_GET_STATISTICS_REQ			615
#define MSG_SMS_HO_PER_SLICES_IND			630
#define MSG_SMS_SET_ANTENNA_CONFIG_REQ			651
#define MSG_SMS_SET_ANTENNA_CONFIG_RES			652
#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_GPIO_CONFIG_EX_REQ			712
#define MSG_SMS_GPIO_CONFIG_EX_RES			713
#define MSG_SMS_ISDBT_TUNE_REQ				776
#define MSG_SMS_ISDBT_TUNE_RES				777
#define MSG_SMS_TRANSMISSION_IND			782
#define MSG_SMS_START_IR_REQ				800
#define MSG_SMS_START_IR_RES				801
#define MSG_SMS_IR_SAMPLES_IND				802
#define MSG_SMS_SIGNAL_DETECTED_IND			827
#define MSG_SMS_NO_SIGNAL_IND				828

#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)

enum SMS_DVB3_EVENTS {
	DVB3_EVENT_INIT = 0,
	DVB3_EVENT_SLEEP,
	DVB3_EVENT_HOTPLUG,
	DVB3_EVENT_FE_LOCK,
	DVB3_EVENT_FE_UNLOCK,
	DVB3_EVENT_UNC_OK,
	DVB3_EVENT_UNC_ERR
};

enum SMS_DEVICE_MODE {
	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,
};

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

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

struct SmsMsgData_ST2 {
	struct SmsMsgHdr_ST xMsgHeader;
	u32 msgData[2];
};

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

struct SmsVersionRes_ST {
	struct SmsMsgHdr_ST	xMsgHeader;

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

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

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

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

	u8		TextLabel[34];
};

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

/* Statistics information returned as response for
 * SmsHostApiGetStatistics_Req */
struct SMSHOSTLIB_STATISTICS_ST {
	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 SMSHOSTLIB_DVB_MODEM_STATE_ET,
	valid only for DVB-T/H */
	u32 GuardInterval;	/* Guard Interval from
	SMSHOSTLIB_GUARD_INTERVALS_ET, 	valid only for DVB-T/H */
	u32 CodeRate;		/* Code Rate from SMSHOSTLIB_CODE_RATE_ET,
	valid only for DVB-T/H */
	u32 LPCodeRate;		/* Low Priority Code Rate from
	SMSHOSTLIB_CODE_RATE_ET, valid only for DVB-T/H */
	u32 Hierarchy;		/* Hierarchy from SMSHOSTLIB_HIERARCHY_ET,
	valid only for DVB-T/H */
	u32 Constellation;	/* Constellation from
	SMSHOSTLIB_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 */
	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 */

	u32 NumMPEReceived;	/* DVB-H, Num MPE section received */

	u32 ReservedFields[10];	/* Reserved */
};

struct SmsMsgStatisticsInfo_ST {
	u32 RequestResult;

	struct SMSHOSTLIB_STATISTICS_ST Stat;

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

};

struct SMSHOSTLIB_ISDBT_LAYER_STAT_ST {
	/* 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 */
};

struct SMSHOSTLIB_STATISTICS_ISDBT_ST {
	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 */
	struct 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. */
};

struct PID_STATISTICS_DATA_S {
	struct PID_BURST_S {
		u32 size;
		u32 padding_cols;
		u32 punct_cols;
		u32 duration;
		u32 cycle;
		u32 calc_cycle;
	} burst;

	u32 tot_tbl_cnt;
	u32 invalid_tbl_cnt;
	u32 tot_cor_tbl;
};

struct PID_DATA_S {
	u32 pid;
	u32 num_rows;
	struct PID_STATISTICS_DATA_S pid_statistics;
};

#define CORRECT_STAT_RSSI(_stat) ((_stat).RSSI *= -1)
#define CORRECT_STAT_BANDWIDTH(_stat) (_stat.Bandwidth = 8 - _stat.Bandwidth)
#define CORRECT_STAT_TRANSMISSON_MODE(_stat) \
	if (_stat.TransmissionMode == 0) \
		_stat.TransmissionMode = 2; \
	else if (_stat.TransmissionMode == 1) \
		_stat.TransmissionMode = 8; \
		else \
			_stat.TransmissionMode = 4;

struct TRANSMISSION_STATISTICS_S {
	u32 Frequency;		/* Frequency in Hz */
	u32 Bandwidth;		/* Bandwidth in MHz */
	u32 TransmissionMode;	/* FFT mode carriers in Kilos */
	u32 GuardInterval;	/* Guard Interval from
	SMSHOSTLIB_GUARD_INTERVALS_ET */
	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 */

	/* 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 */
	u32 IsDemodLocked;	/* 0 - not locked, 1 - locked */
};

struct RECEPTION_STATISTICS_S {
	u32 IsRfLocked;		/* 0 - not locked, 1 - locked */
	u32 IsDemodLocked;	/* 0 - not locked, 1 - locked */
	u32 IsExternalLNAOn;	/* 0 - external LNA off, 1 - external LNA on */

	u32 ModemState;		/* from SMSHOSTLIB_DVB_MODEM_STATE_ET */
	s32 SNR;		/* dB */
	u32 BER;		/* Post Viterbi BER [1E-5] */
	u32 BERErrorCount;	/* Number of erronous 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 */
	u32 ErrorTSPackets;	/* Number of erroneous
	transport-stream packets */
	u32 TotalTSPackets;	/* Total number of transport-stream packets */

	s32 MRC_SNR;		/* dB */
	s32 MRC_RSSI;		/* dBm */
	s32 MRC_InBandPwr;	/* In band power in dBM */
};


/* Statistics information returned as response for
 * SmsHostApiGetStatisticsEx_Req for DVB applications, SMS1100 and up */
struct SMSHOSTLIB_STATISTICS_DVB_S {
	/* Reception */
	struct RECEPTION_STATISTICS_S ReceptionData;

	/* Transmission parameters */
	struct TRANSMISSION_STATISTICS_S TransmissionData;

	/* Burst parameters, valid only for DVB-H */
#define	SRVM_MAX_PID_FILTERS 8
	struct PID_DATA_S PidData[SRVM_MAX_PID_FILTERS];
};

struct SRVM_SIGNAL_STATUS_S {
	u32 result;
	u32 snr;
	u32 tsPackets;
	u32 etsPackets;
	u32 constellation;
	u32 hpCode;
	u32 tpsSrvIndLP;
	u32 tpsSrvIndHP;
	u32 cellId;
	u32 reason;

	s32 inBandPower;
	u32 requestId;
};

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

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


struct smscore_config_gpio {
#define SMS_GPIO_DIRECTION_INPUT  0
#define SMS_GPIO_DIRECTION_OUTPUT 1
	u8 direction;

#define SMS_GPIO_PULLUPDOWN_NONE     0
#define SMS_GPIO_PULLUPDOWN_PULLDOWN 1
#define SMS_GPIO_PULLUPDOWN_PULLUP   2
#define SMS_GPIO_PULLUPDOWN_KEEPER   3
	u8 pullupdown;

#define SMS_GPIO_INPUTCHARACTERISTICS_NORMAL  0
#define SMS_GPIO_INPUTCHARACTERISTICS_SCHMITT 1
	u8 inputcharacteristics;

	/* 10xx */
#define SMS_GPIO_OUTPUT_SLEW_RATE_FAST 0
#define SMS_GPIO_OUTPUT_SLEW_WRATE_SLOW 1

	/* 11xx */
#define SMS_GPIO_OUTPUT_SLEW_RATE_0_45_V_NS	0
#define SMS_GPIO_OUTPUT_SLEW_RATE_0_9_V_NS	1
#define SMS_GPIO_OUTPUT_SLEW_RATE_1_7_V_NS	2
#define SMS_GPIO_OUTPUT_SLEW_RATE_3_3_V_NS	3

	u8 outputslewrate;

	/* 10xx */
#define SMS_GPIO_OUTPUTDRIVING_S_4mA  0
#define SMS_GPIO_OUTPUTDRIVING_S_8mA  1
#define SMS_GPIO_OUTPUTDRIVING_S_12mA 2
#define SMS_GPIO_OUTPUTDRIVING_S_16mA 3

	/* 11xx*/
#define SMS_GPIO_OUTPUTDRIVING_1_5mA	0
#define SMS_GPIO_OUTPUTDRIVING_2_8mA	1
#define SMS_GPIO_OUTPUTDRIVING_4mA	2
#define SMS_GPIO_OUTPUTDRIVING_7mA	3
#define SMS_GPIO_OUTPUTDRIVING_10mA	4
#define SMS_GPIO_OUTPUTDRIVING_11mA	5
#define SMS_GPIO_OUTPUTDRIVING_14mA	6
#define SMS_GPIO_OUTPUTDRIVING_16mA	7

	u8 outputdriving;
};

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

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

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

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

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

extern int smscore_get_common_buffer_size(struct smscore_device_t *coredev);
extern int smscore_map_common_buffer(struct smscore_device_t *coredev,
				      struct vm_area_struct *vma);
extern int smscore_get_fw_filename(struct smscore_device_t *coredev,
				   int mode, char *filename);
extern int smscore_send_fw_file(struct smscore_device_t *coredev,
				u8 *ufwbuf, int size);

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

/* old GPIO management */
int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin,
			   struct smscore_config_gpio *pinconfig);
int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level);

/* new GPIO management */
extern int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum,
		struct smscore_config_gpio *pGpioConfig);
extern int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum,
		u8 NewLevel);
extern int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum,
		u8 *level);

void smscore_set_board_id(struct smscore_device_t *core, int id);
int smscore_get_board_id(struct smscore_device_t *core);

int smscore_led_state(struct smscore_device_t *core, int led);


/* ------------------------------------------------------------------------ */

#define DBG_INFO 1
#define DBG_ADV  2

#define sms_printk(kern, fmt, arg...) \
	printk(kern "%s: " fmt "\n", __func__, ##arg)

#define dprintk(kern, lvl, fmt, arg...) do {\
	if (sms_dbg & lvl) \
		sms_printk(kern, fmt, ##arg); } while (0)

#define sms_log(fmt, arg...) sms_printk(KERN_INFO, fmt, ##arg)
#define sms_err(fmt, arg...) \
	sms_printk(KERN_ERR, "line: %d: " fmt, __LINE__, ##arg)
#define sms_warn(fmt, arg...)  sms_printk(KERN_WARNING, fmt, ##arg)
#define sms_info(fmt, arg...) \
	dprintk(KERN_INFO, DBG_INFO, fmt, ##arg)
#define sms_debug(fmt, arg...) \
	dprintk(KERN_DEBUG, DBG_ADV, fmt, ##arg)


#endif /* __SMS_CORE_API_H__ */