| /* |
| * 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; |
| }; |
| |
| 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 |