Commit ed744391 authored by Gilad Ben-Yossef's avatar Gilad Ben-Yossef Committed by Greg Kroah-Hartman
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staging: ccree: remove custom bitfield macros



With all users removed or re-factored to use the standard
kernel bit fields ops we can now drop the custom
bit field macros.

Signed-off-by: default avatarGilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 37a99c98
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drivers/staging/ccree/cc_bitops.h

deleted100644 → 0
+0 −39
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/*
 * Copyright (C) 2012-2017 ARM Limited or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

/*!
 * \file cc_bitops.h
 * Bit fields operations macros.
 */
#ifndef _CC_BITOPS_H_
#define _CC_BITOPS_H_

#include <linux/bitops.h>
#include <linux/bitfield.h>

#define BITMASK(mask_size) (((mask_size) < 32) ?       \
       ((1UL << (mask_size)) - 1) : 0xFFFFFFFFUL)

#define BITMASK_AT(mask_size, mask_offset) (BITMASK(mask_size) << (mask_offset))

#define BITFIELD_GET(word, bit_offset, bit_size) \
	(((word) >> (bit_offset)) & BITMASK(bit_size))
#define BITFIELD_SET(word, bit_offset, bit_size, new_val)   do {    \
	word = ((word) & ~BITMASK_AT(bit_size, bit_offset)) |	    \
		(((new_val) & BITMASK(bit_size)) << (bit_offset));  \
} while (0)

#endif /*_CC_BITOPS_H_*/
+1 −1
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@@ -19,8 +19,8 @@

#include <linux/types.h>

#include "cc_regs.h"
#include "dx_crys_kernel.h"
#include <linux/bitfield.h>

/******************************************************************************
*				DEFINITIONS
+0 −2
Original line number Diff line number Diff line
@@ -19,8 +19,6 @@

#include <linux/types.h>

#include "cc_bitops.h"

/* Max DLLI size
 *  AKA DX_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE
 */
+6 −65
Original line number Diff line number Diff line
@@ -24,7 +24,12 @@
#ifndef _CC_REGS_H_
#define _CC_REGS_H_

#include "cc_bitops.h"
#include <linux/bitfield.h>

#define AXIM_MON_BASE_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP)
#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \
		DX_AXIM_MON_COMP_VALUE_BIT_SHIFT, \
		DX_AXIM_MON_COMP_VALUE_BIT_SHIFT)

#define AXIM_MON_BASE_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP)
#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \
@@ -35,68 +40,4 @@
#define CC_REG_OFFSET(unit_name, reg_name)               \
	(DX_BASE_ ## unit_name + DX_ ## reg_name ## _REG_OFFSET)

#define CC_REG_BIT_SHIFT(reg_name, field_name)               \
	(DX_ ## reg_name ## _ ## field_name ## _BIT_SHIFT)

/* Read-Modify-Write a field of a register */
#define MODIFY_REGISTER_FLD(unitName, regName, fldName, fldVal)         \
do {								            \
	u32 regVal;						    \
	regVal = READ_REGISTER(CC_REG_ADDR(unitName, regName));       \
	CC_REG_FLD_SET(unitName, regName, fldName, regVal, fldVal); \
	WRITE_REGISTER(CC_REG_ADDR(unitName, regName), regVal);       \
} while (0)

/*! Bit fields get */
#define CC_REG_FLD_GET(unit_name, reg_name, fld_name, reg_val)	      \
	(DX_ ## reg_name ## _ ## fld_name ## _BIT_SIZE == 0x20 ?	      \
	reg_val /*!< \internal Optimization for 32b fields */ :			      \
	BITFIELD_GET(reg_val, DX_ ## reg_name ## _ ## fld_name ## _BIT_SHIFT, \
		     DX_ ## reg_name ## _ ## fld_name ## _BIT_SIZE))

/*! Bit fields access */
#define CC_REG_FLD_GET2(unit_name, reg_name, fld_name, reg_val)	      \
	(CC_ ## reg_name ## _ ## fld_name ## _BIT_SIZE == 0x20 ?	      \
	reg_val /*!< \internal Optimization for 32b fields */ :			      \
	BITFIELD_GET(reg_val, CC_ ## reg_name ## _ ## fld_name ## _BIT_SHIFT, \
		     CC_ ## reg_name ## _ ## fld_name ## _BIT_SIZE))

/* yael TBD !!!
 * all HW includes should start with CC_ and not DX_ !!
 */


/*! Bit fields set */
#define CC_REG_FLD_SET(                                               \
	unit_name, reg_name, fld_name, reg_shadow_var, new_fld_val)      \
do {                                                                     \
	if (DX_ ## reg_name ## _ ## fld_name ## _BIT_SIZE == 0x20)       \
		reg_shadow_var = new_fld_val; /*!< \internal Optimization for 32b fields */\
	else                                                             \
		BITFIELD_SET(reg_shadow_var,                             \
			DX_ ## reg_name ## _ ## fld_name ## _BIT_SHIFT,  \
			DX_ ## reg_name ## _ ## fld_name ## _BIT_SIZE,   \
			new_fld_val);                                    \
} while (0)

/*! Bit fields set */
#define CC_REG_FLD_SET2(                                               \
	unit_name, reg_name, fld_name, reg_shadow_var, new_fld_val)      \
do {                                                                     \
	if (CC_ ## reg_name ## _ ## fld_name ## _BIT_SIZE == 0x20)       \
		reg_shadow_var = new_fld_val; /*!< \internal Optimization for 32b fields */\
	else                                                             \
		BITFIELD_SET(reg_shadow_var,                             \
			CC_ ## reg_name ## _ ## fld_name ## _BIT_SHIFT,  \
			CC_ ## reg_name ## _ ## fld_name ## _BIT_SIZE,   \
			new_fld_val);                                    \
} while (0)

/* Usage example:
 * u32 reg_shadow = READ_REGISTER(CC_REG_ADDR(CRY_KERNEL,AES_CONTROL));
 * CC_REG_FLD_SET(CRY_KERNEL,AES_CONTROL,NK_KEY0,reg_shadow, 3);
 * CC_REG_FLD_SET(CRY_KERNEL,AES_CONTROL,NK_KEY1,reg_shadow, 1);
 * WRITE_REGISTER(CC_REG_ADDR(CRY_KERNEL,AES_CONTROL), reg_shadow);
 */

#endif /*_CC_REGS_H_*/
+0 −1
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@@ -40,7 +40,6 @@
/* Registers definitions from shared/hw/ree_include */
#include "dx_reg_base_host.h"
#include "dx_host.h"
#define DX_CC_HOST_VIRT /* must be defined before including dx_cc_regs.h */
#include "cc_regs.h"
#include "dx_reg_common.h"
#include "cc_hal.h"