drivers/media/dvb/dvb-core/dvb_frontend.h

   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
  43 /* FIXME: Move to i2c-id.h */
  44 #define I2C_DRIVERID_DVBFE_SP8870       I2C_DRIVERID_EXP2
  45 #define I2C_DRIVERID_DVBFE_CX22700      I2C_DRIVERID_EXP2
  46 #define I2C_DRIVERID_DVBFE_AT76C651     I2C_DRIVERID_EXP2
  47 #define I2C_DRIVERID_DVBFE_CX24110      I2C_DRIVERID_EXP2
  48 #define I2C_DRIVERID_DVBFE_CX22702      I2C_DRIVERID_EXP2
  49 #define I2C_DRIVERID_DVBFE_DIB3000MB    I2C_DRIVERID_EXP2
  50 #define I2C_DRIVERID_DVBFE_DST          I2C_DRIVERID_EXP2
  51 #define I2C_DRIVERID_DVBFE_DUMMY        I2C_DRIVERID_EXP2
  52 #define I2C_DRIVERID_DVBFE_L64781       I2C_DRIVERID_EXP2
  53 #define I2C_DRIVERID_DVBFE_MT312        I2C_DRIVERID_EXP2
  54 #define I2C_DRIVERID_DVBFE_MT352        I2C_DRIVERID_EXP2
  55 #define I2C_DRIVERID_DVBFE_NXT6000      I2C_DRIVERID_EXP2
  56 #define I2C_DRIVERID_DVBFE_SP887X       I2C_DRIVERID_EXP2
  57 #define I2C_DRIVERID_DVBFE_STV0299      I2C_DRIVERID_EXP2
  58 #define I2C_DRIVERID_DVBFE_TDA1004X     I2C_DRIVERID_EXP2
  59 #define I2C_DRIVERID_DVBFE_TDA8083      I2C_DRIVERID_EXP2
  60 #define I2C_DRIVERID_DVBFE_VES1820      I2C_DRIVERID_EXP2
  61 #define I2C_DRIVERID_DVBFE_VES1X93      I2C_DRIVERID_EXP2
  62 #define I2C_DRIVERID_DVBFE_TDA80XX      I2C_DRIVERID_EXP2
  63
  64
  65 struct dvb_frontend_tune_settings {
  66         int min_delay_ms;
  67         int step_size;
  68         int max_drift;
  69         struct dvb_frontend_parameters parameters;
  70 };
  71
  72 struct dvb_frontend;
  73
  74 struct dvb_frontend_ops {
  75
  76         struct dvb_frontend_info info;
  77
  78         void (*release)(struct dvb_frontend* fe);
  79
  80         int (*init)(struct dvb_frontend* fe);
  81         int (*sleep)(struct dvb_frontend* fe);
  82
  83         int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
  84         int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
  85         int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
  86
  87         int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
  88         int (*read_ber)(struct dvb_frontend* fe, u32* ber);
  89         int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
  90         int (*read_snr)(struct dvb_frontend* fe, u16* snr);
  91         int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
  92
  93         int (*diseqc_reset_overload)(struct dvb_frontend* fe);
  94         int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
  95         int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
  96         int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
  97         int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
  98         int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
  99         int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, int arg);
 100         int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned int cmd);
 101 };
 102
 103 #define MAX_EVENT 8
 104
 105 struct dvb_fe_events {
 106         struct dvb_frontend_event events[MAX_EVENT];
 107         int                       eventw;
 108         int                       eventr;
 109         int                       overflow;
 110         wait_queue_head_t         wait_queue;
 111         struct semaphore          sem;
 112 };
 113
 114 struct dvb_frontend {
 115         struct dvb_frontend_ops* ops;
 116         struct dvb_adapter *dvb;
 117         void* demodulator_priv;
 118         void* frontend_priv;
 119 };
 120
 121 extern int dvb_register_frontend(struct dvb_adapter* dvb,
 122                                  struct dvb_frontend* fe);
 123
 124 extern int dvb_unregister_frontend(struct dvb_frontend* fe);
 125
 126 #endif