74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2017 Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __NWZ_TUNER_H__
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#define __NWZ_TUNER_H__
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#define NWZ_TUNER_DEV "/dev/radio0"
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/* we only describe the private ioctl, the rest is standard v4l2 */
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#define NWZ_TUNER_TYPE 'v'
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/* Of course Sony had to change something in the structure without changing the ioctl codes.
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* Fortunately they are close enough so that some clever naming and ifdef solves the problem. */
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#if defined(SONY_NWZE350) || defined(SONY_NWZE450) || defined(SONY_NWZE460) || \
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defined(SONY_NWZA860) || defined(SONY_NWZS750)
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#define NWZ_TUNER_V1
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#endif
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#ifdef NWZ_TUNER_V1
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#define NWZ_TUNER_REG_COUNT 14
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#else /* !NWZ_TUNER_V1 */
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#define NWZ_TUNER_REG_COUNT 20
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#endif /* NWZ_TUNER_V1 */
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struct nwz_tuner_ioctl_t
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{
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union
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{
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uint32_t regno; // for GET_REG
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uint32_t rssi; // for GET_RSSI
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uint32_t freq; // for SET_FREQ
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struct
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{
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uint8_t regno;
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uint8_t reserved;
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uint16_t val;
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}put; // for PUT_REG
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};
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uint16_t regs[NWZ_TUNER_REG_COUNT];
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} __attribute__((packed));
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/* these requests seem to be the only one supported by all generations */
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#define NWZ_TUNER_INIT_REG _IOWR(NWZ_TUNER_TYPE, 41, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_PUT_REG _IOWR(NWZ_TUNER_TYPE, 42, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_GET_REG _IOWR(NWZ_TUNER_TYPE, 43, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_GET_REG_ALL _IOWR(NWZ_TUNER_TYPE, 44, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_SET_FREQ _IOWR(NWZ_TUNER_TYPE, 45, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_RESET _IOW(NWZ_TUNER_TYPE, 46, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_GPIO2_ON _IOW(NWZ_TUNER_TYPE, 47, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_GPIO2_OFF _IOW(NWZ_TUNER_TYPE, 48, struct nwz_tuner_ioctl_t)
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#define NWZ_TUNER_GET_RSSI _IOWR(NWZ_TUNER_TYPE, 49, struct nwz_tuner_ioctl_t)
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#endif /* __NWZ_TUNER_H__ */
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