| /* |
| * drivers/amlogic/atv_demod/atv_demod_afc.h |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 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. |
| * |
| */ |
| |
| #ifndef __ATV_DEMOD_AFC_H__ |
| #define __ATV_DEMOD_AFC_H__ |
| |
| #include <linux/workqueue.h> |
| #include <linux/timer.h> |
| #include <linux/mutex.h> |
| |
| |
| #define AFC_LOCK_STATUS_NULL 0 |
| #define AFC_LOCK_STATUS_PRE_UNLOCK 1 |
| #define AFC_LOCK_STATUS_PRE_LOCK 2 |
| #define AFC_LOCK_STATUS_PRE_OVER_RANGE 3 |
| #define AFC_LOCK_STATUS_POST_PROCESS 4 |
| #define AFC_LOCK_STATUS_POST_LOCK 5 |
| #define AFC_LOCK_STATUS_POST_UNLOCK 6 |
| #define AFC_LOCK_STATUS_POST_OVER_RANGE 7 |
| #define AFC_LOCK_STATUS_NUM 8 |
| #define AFC_LOCK_PRE_STEP_NUM 9 |
| |
| #define AFC_BEST_LOCK 50 |
| |
| #define AFC_DISABLE (0) |
| #define AFC_ENABLE (1) |
| #define AFC_PAUSE (2) |
| |
| struct atv_demod_afc { |
| struct work_struct work; |
| struct timer_list timer; |
| |
| struct dvb_frontend *fe; |
| |
| struct mutex mtx; |
| |
| int state; |
| |
| int timer_delay_cnt; |
| |
| unsigned int no_sig_cnt; |
| unsigned int pre_step; |
| unsigned int pre_lock_cnt; |
| unsigned int pre_unlock_cnt; |
| int offset; |
| unsigned int status; |
| unsigned int wave_cnt; |
| |
| bool lock; |
| |
| void (*disable)(struct atv_demod_afc *afc); |
| void (*enable)(struct atv_demod_afc *afc); |
| void (*pause)(struct atv_demod_afc *afc); |
| }; |
| |
| extern void atv_demod_afc_init(struct atv_demod_afc *afc); |
| |
| |
| #endif /* __ATV_DEMOD_AFC_H__ */ |