drivers/media/common/siano/smsdvb.h

Source file repositories/reference/linux-study-clean/drivers/media/common/siano/smsdvb.h

File Facts

System
Linux kernel
Corpus path
drivers/media/common/siano/smsdvb.h
Extension
.h
Size
2783 bytes
Lines
116
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct smsdvb_client_t {
	struct list_head entry;

	struct smscore_device_t *coredev;
	struct smscore_client_t *smsclient;

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

	enum fe_status          fe_status;

	struct completion       tune_done;
	struct completion       stats_done;

	int last_per;

	int legacy_ber, legacy_per;

	int event_fe_state;
	int event_unc_state;

	unsigned long		get_stats_jiffies;

	int			feed_users;
	bool			has_tuned;

	/* stats debugfs data */
	struct dentry		*debugfs;

	struct smsdvb_debugfs	*debug_data;

	sms_prt_dvb_stats_t	prt_dvb_stats;
	sms_prt_isdb_stats_t	prt_isdb_stats;
	sms_prt_isdb_stats_ex_t	prt_isdb_stats_ex;
};

/*
 * This struct is a mix of struct sms_rx_stats_ex and
 * struct sms_srvm_signal_status.
 * It was obtained by comparing the way it was filled by the original code
 */
struct RECEPTION_STATISTICS_PER_SLICES_S {
	u32 result;
	u32 snr;
	s32 in_band_power;
	u32 ts_packets;
	u32 ets_packets;
	u32 constellation;
	u32 hp_code;
	u32 tps_srv_ind_lp;
	u32 tps_srv_ind_hp;
	u32 cell_id;
	u32 reason;
	u32 request_id;
	u32 modem_state;		/* from SMSHOSTLIB_DVB_MODEM_STATE_ET */

	u32 ber;		/* Post Viterbi BER [1E-5] */
	s32 RSSI;		/* dBm */
	s32 carrier_offset;	/* Carrier Offset in bin/1024 */

	u32 is_rf_locked;		/* 0 - not locked, 1 - locked */
	u32 is_demod_locked;	/* 0 - not locked, 1 - locked */

	u32 ber_bit_count;	/* Total number of SYNC bits. */
	u32 ber_error_count;	/* Number of erroneous SYNC bits. */

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

/* From smsdvb-debugfs.c */
#ifdef CONFIG_SMS_SIANO_DEBUGFS

int smsdvb_debugfs_create(struct smsdvb_client_t *client);
void smsdvb_debugfs_release(struct smsdvb_client_t *client);
void smsdvb_debugfs_register(void);
void smsdvb_debugfs_unregister(void);

#else

static inline int smsdvb_debugfs_create(struct smsdvb_client_t *client)
{
	return 0;
}

static inline void smsdvb_debugfs_release(struct smsdvb_client_t *client) {}

Annotation

Implementation Notes