i8253_ref.h

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/*
 * i8253_ref.h - I8253 PIT refresh counter platform device definitions.
 *
 * Copyright (c) 2017 Akinori Furuta <afuruta@m7.dion.ne.jp>
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 */
 
#if (!defined(_LINUX_I8253_REF_H))
#define _LINUX_I8253_REF_H
 
#define I8253_REF_DEVICE_NAME   "i8253_ref"
 
#define I8253_REF_RATE_DEFAULT_KEEP             (~(uint32_t)0)
#define I8253_REF_RESOURCE_REFRESH_COUNTER      "refresh_counter"
#define I8253_REF_RESOURCE_CONTROL_WORD         "control_word"
 
 
/*
 * platform device parameter passed from i8253_ref_setup.c to
 * i8253_ref.c
 */
struct i8253_ref_platfrom_data {
        uint8_t         channel;        /*!< channel. */
        uint32_t        rate_default;   /*!< divider rate. */
};
 
#endif /* (!defined(_LINUX_I8253_REF_H)) */