89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*
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* Raydium RM31080 touchscreen driver
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*
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* Copyright (C) 2012-2014, Raydium Semiconductor Corporation.
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* All Rights Reserved.
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* Copyright (C) 2012-2017, NVIDIA Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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/*=============================================================================
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INCLUDED FILES
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=============================================================================*/
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#include <linux/device.h>
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#include <linux/uaccess.h> /* copy_to_user() */
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#include <linux/delay.h>
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#include <linux/module.h> /* Module definition */
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#include <linux/spi/rm31080a_ts.h>
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#include <linux/spi/rm31080a_ctrl.h>
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/*=============================================================================
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GLOBAL VARIABLES DECLARATION
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=============================================================================*/
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struct rm_tch_ctrl_para g_st_ctrl;
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EXPORT_SYMBOL(g_st_ctrl);
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/*=============================================================================
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FUNCTION DECLARATION
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=============================================================================*/
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/*=============================================================================
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Description:
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Input:
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N/A
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Output:
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N/A
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=============================================================================*/
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void rm_tch_ctrl_init(void)
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{
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memset(&g_st_ctrl, 0, sizeof(struct rm_tch_ctrl_para));
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}
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EXPORT_SYMBOL(rm_tch_ctrl_init);
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/*=============================================================================
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Description: To transfer the value to HAL layer
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Input:
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N/A
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Output:
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N/A
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=============================================================================*/
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unsigned char rm_tch_ctrl_get_idle_mode(u8 *p)
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{
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u32 u32Ret;
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u32Ret = copy_to_user(p,
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&g_st_ctrl.u8_idle_mode_check, 1);
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if (u32Ret)
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return RETURN_FAIL;
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return RETURN_OK;
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}
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EXPORT_SYMBOL(rm_tch_ctrl_get_idle_mode);
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/*=============================================================================
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Description:
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Input:
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N/A
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Output:
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N/A
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=============================================================================*/
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void rm_tch_ctrl_set_parameter(void *arg)
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{
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ssize_t missing;
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missing = copy_from_user(&g_st_ctrl,
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arg, sizeof(struct rm_tch_ctrl_para));
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if (missing)
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return;
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}
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EXPORT_SYMBOL(rm_tch_ctrl_set_parameter);
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/*===========================================================================*/
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MODULE_AUTHOR("xxxxxxxxxx <xxxxxxxx@rad-ic.com>");
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MODULE_DESCRIPTION("Raydium touchscreen control functions");
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MODULE_LICENSE("GPL");
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