diff options
Diffstat (limited to 'drivers/media/test-drivers/vidtv/vidtv_tuner.h')
| -rw-r--r-- | drivers/media/test-drivers/vidtv/vidtv_tuner.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/test-drivers/vidtv/vidtv_tuner.h b/drivers/media/test-drivers/vidtv/vidtv_tuner.h new file mode 100644 index 000000000000..8455b2d564b3 --- /dev/null +++ b/drivers/media/test-drivers/vidtv/vidtv_tuner.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * The Virtual DTV test driver serves as a reference DVB driver and helps + * validate the existing APIs in the media subsystem. It can also aid + * developers working on userspace applications. + * + * Copyright (C) 2020 Daniel W. S. Almeida + */ + +#ifndef VIDTV_TUNER_H +#define VIDTV_TUNER_H + +#include <linux/types.h> +#include <media/dvb_frontend.h> + +#define NUM_VALID_TUNER_FREQS 8 + +/** + * struct vidtv_tuner_config - Configuration used to init the tuner. + * @fe: A pointer to the dvb_frontend structure allocated by vidtv_demod. + * @mock_power_up_delay_msec: Simulate a power-up delay. + * @mock_tune_delay_msec: Simulate a tune delay. + * @vidtv_valid_dvb_t_freqs: The valid DVB-T frequencies to simulate. + * @vidtv_valid_dvb_c_freqs: The valid DVB-C frequencies to simulate. + * @vidtv_valid_dvb_s_freqs: The valid DVB-S frequencies to simulate. + * @max_frequency_shift_hz: The maximum frequency shift in HZ allowed when + * tuning in a channel + * + * The configuration used to init the tuner module, usually filled + * by a bridge driver. For vidtv, this is filled by vidtv_bridge before the + * tuner module is probed. + */ +struct vidtv_tuner_config { + struct dvb_frontend *fe; + u32 mock_power_up_delay_msec; + u32 mock_tune_delay_msec; + u32 vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS]; + u32 vidtv_valid_dvb_c_freqs[NUM_VALID_TUNER_FREQS]; + u32 vidtv_valid_dvb_s_freqs[NUM_VALID_TUNER_FREQS]; + u8 max_frequency_shift_hz; +}; + +#endif //VIDTV_TUNER_H |