linux-imx

/*

 * drivers/mfd/si476x-cmd.c -- Subroutines implementing command

 * protocol of si476x series of chips

 *

 * Copyright (C) 2012 Innovative Converged Devices(ICD)

 * Copyright (C) 2013 Andrey Smirnov

 *

 * Author: Andrey Smirnov <andrew.smirnov@gmail.com>

 *

 * 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; version 2 of the License.

 *

 * 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.

 *

 */

​

#include <linux/module.h>

#include <linux/completion.h>

#include <linux/delay.h>

#include <linux/atomic.h>

#include <linux/i2c.h>

#include <linux/device.h>

#include <linux/gpio.h>

#include <linux/videodev2.h>

​

#include <linux/mfd/si476x-core.h>

​

#include <asm/unaligned.h>

​

#define msb(x)                  ((u8)((u16) x >> 8))

#define lsb(x)                  ((u8)((u16) x &  0x00FF))

​

​

​

#define CMD_POWER_UP                0x01

#define CMD_POWER_UP_A10_NRESP          1

#define CMD_POWER_UP_A10_NARGS          5

​

#define CMD_POWER_UP_A20_NRESP          1

#define CMD_POWER_UP_A20_NARGS          5

​

#define POWER_UP_DELAY_MS           110

​

#define CMD_POWER_DOWN              0x11

#define CMD_POWER_DOWN_A10_NRESP        1

​

#define CMD_POWER_DOWN_A20_NRESP        1

#define CMD_POWER_DOWN_A20_NARGS        1

​

#define CMD_FUNC_INFO               0x12

#define CMD_FUNC_INFO_NRESP         7

​

#define CMD_SET_PROPERTY            0x13

#define CMD_SET_PROPERTY_NARGS          5

#define CMD_SET_PROPERTY_NRESP          1

​

#define CMD_GET_PROPERTY            0x14

#define CMD_GET_PROPERTY_NARGS          3

#define CMD_GET_PROPERTY_NRESP          4