[mirror_ubuntu-hirsute-kernel.git] / drivers / media / dvb / dvb-core / dvb_frontend.h

/*
 * dvb_frontend.h
 *
 * Copyright (C) 2001 convergence integrated media GmbH
 * Copyright (C) 2004 convergence GmbH
 *
 * Written by Ralph Metzler
 * Overhauled by Holger Waechtler
 * Kernel I2C stuff by Michael Hunold <hunold@convergence.de>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * 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 Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#ifndef _DVB_FRONTEND_H_
#define _DVB_FRONTEND_H_

#include <linux/types.h>
#include <linux/sched.h>
#include <linux/ioctl.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/delay.h>

#include <linux/dvb/frontend.h>

#include "dvbdev.h"

struct dvb_frontend_tune_settings {
	int min_delay_ms;
	int step_size;
	int max_drift;
	struct dvb_frontend_parameters parameters;
};

struct dvb_frontend;

struct dvb_frontend_ops {

	struct dvb_frontend_info info;

	void (*release)(struct dvb_frontend* fe);

	int (*init)(struct dvb_frontend* fe);
	int (*sleep)(struct dvb_frontend* fe);

	/* if this is set, it overrides the default swzigzag */
	int (*tune)(struct dvb_frontend* fe,
		    struct dvb_frontend_parameters* params,
		    unsigned int mode_flags,
		    int *delay,
		    fe_status_t *status);

	/* these two are only used for the swzigzag code */
	int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
	int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);

	int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);

	int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
	int (*read_ber)(struct dvb_frontend* fe, u32* ber);
	int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
	int (*read_snr)(struct dvb_frontend* fe, u16* snr);
	int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);

	int (*diseqc_reset_overload)(struct dvb_frontend* fe);
	int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
	int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
	int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
	int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
	int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
	int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
	int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
	int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
};

#define MAX_EVENT 8

struct dvb_fe_events {
	struct dvb_frontend_event events[MAX_EVENT];
	int			  eventw;
	int			  eventr;
	int			  overflow;
	wait_queue_head_t	  wait_queue;
	struct semaphore	  sem;
};

struct dvb_frontend {
	struct dvb_frontend_ops* ops;
	struct dvb_adapter *dvb;
	void* demodulator_priv;
	void* frontend_priv;
};

extern int dvb_register_frontend(struct dvb_adapter* dvb,
				 struct dvb_frontend* fe);

extern int dvb_unregister_frontend(struct dvb_frontend* fe);

extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* dvb_frontend.h
	3	*
	4	* Copyright (C) 2001 convergence integrated media GmbH
	5	* Copyright (C) 2004 convergence GmbH
	6	*
	7	* Written by Ralph Metzler
	8	* Overhauled by Holger Waechtler
	9	* Kernel I2C stuff by Michael Hunold <hunold@convergence.de>
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU Lesser General Public License
	13	* as published by the Free Software Foundation; either version 2.1
	14	* of the License, or (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21
	22	* You should have received a copy of the GNU Lesser General Public License
	23	* along with this program; if not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	25	*
	26	*/
	27
	28	#ifndef _DVB_FRONTEND_H_
	29	#define _DVB_FRONTEND_H_
	30
	31	#include <linux/types.h>
	32	#include <linux/sched.h>
	33	#include <linux/ioctl.h>
	34	#include <linux/i2c.h>
	35	#include <linux/module.h>
	36	#include <linux/errno.h>
	37	#include <linux/delay.h>
	38
	39	#include <linux/dvb/frontend.h>
	40
	41	#include "dvbdev.h"
	42
1da177e4	43	struct dvb_frontend_tune_settings {
afd1a0c9 MCC	44	int min_delay_ms;
	45	int step_size;
	46	int max_drift;
	47	struct dvb_frontend_parameters parameters;
1da177e4 LT	48	};
	49
	50	struct dvb_frontend;
	51
	52	struct dvb_frontend_ops {
	53
	54	struct dvb_frontend_info info;
	55
	56	void (release)(struct dvb_frontend fe);
	57
	58	int (init)(struct dvb_frontend fe);
	59	int (sleep)(struct dvb_frontend fe);
	60
36cb557a AQ	61	/* if this is set, it overrides the default swzigzag */
	62	int (tune)(struct dvb_frontend fe,
	63	struct dvb_frontend_parameters* params,
	64	unsigned int mode_flags,
	65	int *delay,
	66	fe_status_t *status);
	67
	68	/* these two are only used for the swzigzag code */
1da177e4	69	int (set_frontend)(struct dvb_frontend fe, struct dvb_frontend_parameters* params);
1da177e4 LT	70	int (get_tune_settings)(struct dvb_frontend fe, struct dvb_frontend_tune_settings* settings);
1da177e4 LT	71
36cb557a AQ	72	int (get_frontend)(struct dvb_frontend fe, struct dvb_frontend_parameters* params);
36cb557a AQ	73
1da177e4 LT	74	int (read_status)(struct dvb_frontend fe, fe_status_t* status);
	75	int (read_ber)(struct dvb_frontend fe, u32* ber);
	76	int (read_signal_strength)(struct dvb_frontend fe, u16* strength);
	77	int (read_snr)(struct dvb_frontend fe, u16* snr);
	78	int (read_ucblocks)(struct dvb_frontend fe, u32* ucblocks);
	79
	80	int (diseqc_reset_overload)(struct dvb_frontend fe);
	81	int (diseqc_send_master_cmd)(struct dvb_frontend fe, struct dvb_diseqc_master_cmd* cmd);
	82	int (diseqc_recv_slave_reply)(struct dvb_frontend fe, struct dvb_diseqc_slave_reply* reply);
	83	int (diseqc_send_burst)(struct dvb_frontend fe, fe_sec_mini_cmd_t minicmd);
	84	int (set_tone)(struct dvb_frontend fe, fe_sec_tone_mode_t tone);
	85	int (set_voltage)(struct dvb_frontend fe, fe_sec_voltage_t voltage);
400b7083 PB	86	int (enable_high_lnb_voltage)(struct dvb_frontend fe, long arg);
400b7083 PB	87	int (dishnetwork_send_legacy_command)(struct dvb_frontend fe, unsigned long cmd);
611900c1	88	int (i2c_gate_ctrl)(struct dvb_frontend fe, int enable);
1da177e4 LT	89	};
	90
	91	#define MAX_EVENT 8
	92
	93	struct dvb_fe_events {
	94	struct dvb_frontend_event events[MAX_EVENT];
	95	int eventw;
	96	int eventr;
	97	int overflow;
	98	wait_queue_head_t wait_queue;
	99	struct semaphore sem;
	100	};
	101
	102	struct dvb_frontend {
	103	struct dvb_frontend_ops* ops;
	104	struct dvb_adapter *dvb;
	105	void* demodulator_priv;
	106	void* frontend_priv;
	107	};
	108
	109	extern int dvb_register_frontend(struct dvb_adapter* dvb,
	110	struct dvb_frontend* fe);
	111
	112	extern int dvb_unregister_frontend(struct dvb_frontend* fe);
	113
83b75b04 N	114	extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
	115	extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
	116
1da177e4	117	#endif