mirror of
https://github.com/hardkernel/kernel_common_drivers.git
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min.yang
b2f8ee7c6a
PD#SWPL-109718 Problem: can not search channel at platform which only use an internal demod. Solution: optimize tuner and demod attach. Verify: verified by T + smith Change-Id: I7386d6070675f09a29f6481b68d62dab7f0fec65 Signed-off-by: min.yang <min.yang@amlogic.com>
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __AML_TUNER_H__
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#define __AML_TUNER_H__
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#include <linux/amlogic/aml_demod_common.h>
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#include <media/dvb_frontend.h>
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struct tuner_module {
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char *name;
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u8 id;
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u8 delsys[AML_MAX_DELSYS]; /* Delivery system supported by tuner. */
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u8 type[AML_MAX_FE]; /* FE type supported by tuner. */
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void *attach_symbol; /* The actual attach function symbolic address. */
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struct dvb_frontend *(*attach)(const struct tuner_module *module,
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struct dvb_frontend *fe, const struct tuner_config *cfg);
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int (*detach)(const struct tuner_module *module);
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int (*match)(const struct tuner_module *module, int std);
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int (*detect)(const struct tuner_config *cfg);
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};
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typedef struct dvb_frontend *(*tn_attach_cb)(struct dvb_frontend *fe,
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const struct tuner_config *cfg);
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#if (defined CONFIG_AMLOGIC_DVB_EXTERN ||\
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defined CONFIG_AMLOGIC_DVB_EXTERN_MODULE)
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enum tuner_type aml_get_tuner_type(const char *name);
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int aml_get_dts_tuner_config(struct device_node *node,
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struct tuner_config *cfg, int index);
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void aml_show_tuner_config(const char *title, const struct tuner_config *cfg);
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const struct tuner_module *aml_get_tuner_module(enum tuner_type type);
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int tuner_attach_register_cb(const enum tuner_type type, tn_attach_cb funcb);
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void aml_set_tuner_attach_cb(const enum tuner_type type, tn_attach_cb funcb);
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#else
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static inline __maybe_unused enum tuner_type aml_get_tuner_type(
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const char *name)
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{
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return AM_TUNER_NONE;
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}
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static inline __maybe_unused int aml_get_dts_tuner_config(
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struct device_node *node, struct tuner_config *cfg, int index)
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{
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return -ENODEV;
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}
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static inline __maybe_unused void aml_show_tuner_config(const char *title,
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const struct tuner_config *cfg)
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{
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}
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static inline __maybe_unused int tuner_attach_register_cb(const enum tuner_type type,
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tn_attach_cb funcb)
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{
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return -ENODEV;
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}
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static inline __maybe_unused void aml_set_tuner_attach_cb(const enum tuner_type type,
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tn_attach_cb funcb)
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{
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}
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static inline __maybe_unused const struct tuner_module *aml_get_tuner_module(
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enum tuner_type type)
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{
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return NULL;
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}
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#endif
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#endif /* __AML_TUNER_H__ */
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