// SPDX-License-Identifier: GPL-2.0-or-later
/* Frontend part of the Linux driver for the Afatech 9005
* USB1.1 DVB-T receiver.
*
* Copyright (C) 2007 Luca Olivetti (luca@ventoso.org)
*
* Thanks to Afatech who kindly provided information.
*
* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
*/
#include "af9005.h"
#include "af9005-script.h"
#include "mt2060.h"
#include "qt1010.h"
#include <asm/div64.h>
struct af9005_fe_state {
struct dvb_usb_device *d;
enum fe_status stat;
/* retraining parameters */
u32 original_fcw;
u16 original_rf_top;
u16 original_if_top;
u16 original_if_min;
u16 original_aci0_if_top;
u16 original_aci1_if_top;
u16 original_aci0_if_min;
u8 original_if_unplug_th;
u8 original_rf_unplug_th;
u8 original_dtop_if_unplug_th;
u8 original_dtop_rf_unplug_th;
/* statistics */
u32 pre_vit_error_count;
u32 pre_vit_bit_count;
u32 ber;
u32 post_vit_error_count;
u32 post_vit_bit_count;
u32 unc;
u16 abort_count;
int opened;
int strong;
unsigned long next_status_check;
struct dvb_frontend frontend;
};
static int af9005_write_word_agc(struct dvb_usb_device *d, u16 reghi,
u16 reglo, u8 pos, u8 len, u16 value)
{
int ret;
if ((ret = af9005_write_ofdm_register(d, reglo, (u8) (value & 0xff))))
return ret;
return af9005_write_register_bits(d, reghi, pos, len,
(u8) 