1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * The Virtual DTV test driver serves as a reference DVB driver and helps 4*4882a593Smuzhiyun * validate the existing APIs in the media subsystem. It can also aid 5*4882a593Smuzhiyun * developers working on userspace applications. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (C) 2020 Daniel W. S. Almeida 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef VIDTV_TUNER_H 11*4882a593Smuzhiyun #define VIDTV_TUNER_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/types.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <media/dvb_frontend.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define NUM_VALID_TUNER_FREQS 8 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /** 20*4882a593Smuzhiyun * struct vidtv_tuner_config - Configuration used to init the tuner. 21*4882a593Smuzhiyun * @fe: A pointer to the dvb_frontend structure allocated by vidtv_demod. 22*4882a593Smuzhiyun * @mock_power_up_delay_msec: Simulate a power-up delay. 23*4882a593Smuzhiyun * @mock_tune_delay_msec: Simulate a tune delay. 24*4882a593Smuzhiyun * @vidtv_valid_dvb_t_freqs: The valid DVB-T frequencies to simulate. 25*4882a593Smuzhiyun * @vidtv_valid_dvb_c_freqs: The valid DVB-C frequencies to simulate. 26*4882a593Smuzhiyun * @vidtv_valid_dvb_s_freqs: The valid DVB-S frequencies to simulate. 27*4882a593Smuzhiyun * @max_frequency_shift_hz: The maximum frequency shift in HZ allowed when 28*4882a593Smuzhiyun * tuning in a channel 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun * The configuration used to init the tuner module, usually filled 31*4882a593Smuzhiyun * by a bridge driver. For vidtv, this is filled by vidtv_bridge before the 32*4882a593Smuzhiyun * tuner module is probed. 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun struct vidtv_tuner_config { 35*4882a593Smuzhiyun struct dvb_frontend *fe; 36*4882a593Smuzhiyun u32 mock_power_up_delay_msec; 37*4882a593Smuzhiyun u32 mock_tune_delay_msec; 38*4882a593Smuzhiyun u32 vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS]; 39*4882a593Smuzhiyun u32 vidtv_valid_dvb_c_freqs[NUM_VALID_TUNER_FREQS]; 40*4882a593Smuzhiyun u32 vidtv_valid_dvb_s_freqs[NUM_VALID_TUNER_FREQS]; 41*4882a593Smuzhiyun u8 max_frequency_shift_hz; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #endif //VIDTV_TUNER_H 45