1 files changed, 240 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
new file mode 100644
index 0000000..db4a63b
--- /dev/null
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -0,0 +1,240 @@
+/*
+ * 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/mutex.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_tuner_info {
+	char name[128];
+
+	u32 frequency_min;
+	u32 frequency_max;
+	u32 frequency_step;
+
+	u32 bandwidth_min;
+	u32 bandwidth_max;
+	u32 bandwidth_step;
+};
+
+struct analog_parameters {
+	unsigned int frequency;
+	unsigned int mode;
+	unsigned int audmode;
+	u64 std;
+};
+
+struct dvb_tuner_ops {
+
+	struct dvb_tuner_info info;
+
+	int (*release)(struct dvb_frontend *fe);
+	int (*init)(struct dvb_frontend *fe);
+	int (*sleep)(struct dvb_frontend *fe);
+
+	/** This is for simple PLLs - set all parameters in one go. */
+	int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
+	int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p);
+
+	/** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
+	int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
+
+	/** This is to allow setting tuner-specific configs */
+	int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
+
+	int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
+	int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
+
+#define TUNER_STATUS_LOCKED 1
+#define TUNER_STATUS_STEREO 2
+	int (*get_status)(struct dvb_frontend *fe, u32 *status);
+	int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
+
+	/** These are provided seperately from set_params in order to facilitate silicon
+	 * tuners which require sophisticated tuning loops, controlling each parameter seperately. */
+	int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
+	int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
+};
+
+struct analog_demod_info {
+	char *name;
+};
+
+struct analog_demod_ops {
+
+	struct analog_demod_info info;
+
+	void (*set_params)(struct dvb_frontend *fe,
+			   struct analog_parameters *params);
+	int  (*has_signal)(struct dvb_frontend *fe);
+	int  (*is_stereo)(struct dvb_frontend *fe);
+	int  (*get_afc)(struct dvb_frontend *fe);
+	void (*tuner_status)(struct dvb_frontend *fe);
+	void (*standby)(struct dvb_frontend *fe);
+	void (*release)(struct dvb_frontend *fe);
+	int  (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
+
+	/** This is to allow setting tuner-specific configuration */
+	int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
+};
+
+struct dvb_frontend_ops {
+
+	struct dvb_frontend_info info;
+
+	void (*release)(struct dvb_frontend* fe);
+	void (*release_sec)(struct dvb_frontend* fe);
+
+	int (*init)(struct dvb_frontend* fe);
+	int (*sleep)(struct dvb_frontend* fe);
+
+	int (*write)(struct dvb_frontend* fe, u8* buf, int len);
+
+	/* if this is set, it overrides the default swzigzag */
+	int (*tune)(struct dvb_frontend* fe,
+		    struct dvb_frontend_parameters* params,
+		    unsigned int mode_flags,
+		    unsigned int *delay,
+		    fe_status_t *status);
+	/* get frontend tuning algorithm from the module */
+	int (*get_frontend_algo)(struct dvb_frontend *fe);
+
+	/* 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);
+	int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
+
+	struct dvb_tuner_ops tuner_ops;
+	struct analog_demod_ops analog_ops;
+
+	int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
+	int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
+};
+
+#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 mutex		  mtx;
+};
+
+struct dtv_frontend_properties {
+
+	/* Cache State */
+	u32			state;
+
+	u32			frequency;
+	fe_modulation_t		modulation;
+
+	fe_sec_voltage_t	voltage;
+	fe_sec_tone_mode_t	sectone;
+	fe_spectral_inversion_t	inversion;
+	fe_code_rate_t		fec_inner;
+	fe_transmit_mode_t	transmission_mode;
+	u32			bandwidth_hz;	/* 0 = AUTO */
+	fe_guard_interval_t	guard_interval;
+	fe_hierarchy_t		hierarchy;
+	u32			symbol_rate;
+	fe_code_rate_t		code_rate_HP;
+	fe_code_rate_t		code_rate_LP;
+
+	fe_pilot_t		pilot;
+	fe_rolloff_t		rolloff;
+
+	fe_delivery_system_t	delivery_system;
+};
+
+struct dvb_frontend {
+	struct dvb_frontend_ops ops;
+	struct dvb_adapter *dvb;
+	void *demodulator_priv;
+	void *tuner_priv;
+	void *frontend_priv;
+	void *sec_priv;
+	void *analog_demod_priv;
+	struct dtv_frontend_properties dtv_property_cache;
+#define DVB_FRONTEND_COMPONENT_TUNER 0
+	int (*callback)(void *adapter_priv, int component, int cmd, int arg);
+	int id;
+};
+
+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_detach(struct dvb_frontend *fe);
+
+extern void dvb_frontend_reinitialise(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