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