android_kernel_lenovo_1050f/drivers/staging/sep54/dx_cc_regs.h

163 lines
6.7 KiB
C

/*******************************************************************
* (c) Copyright 2011-2012 Discretix Technologies Ltd. *
* This software is protected by copyright, international *
* treaties and patents, and distributed under multiple licenses. *
* Any use of this Software as part of the Discretix CryptoCell or *
* Packet Engine products requires a commercial license. *
* Copies of this Software that are distributed with the Discretix *
* CryptoCell or Packet Engine product drivers, may be used in *
* accordance with a commercial license, or at the user's option, *
* used and redistributed under the terms and conditions of the GNU *
* General Public License ("GPL") version 2, as published by the *
* Free Software Foundation. *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY LIABILITY AND WARRANTY; without even the implied *
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU General Public License version 2 for more details. *
* You should have received a copy of the GNU General Public *
* License version 2 along with this Software; if not, please write *
* to the Free Software Foundation, Inc., 59 Temple Place - Suite *
* 330, Boston, MA 02111-1307, USA. *
* Any copy or reproduction of this Software, as permitted under *
* the GNU General Public License version 2, must include this *
* Copyright Notice as well as any other notices provided under *
* the said license. *
********************************************************************/
/*!
* \file dx_cc_regs.h
* \brief Macro definitions for accessing Dx CryptoCell register space
*
* For SeP code define DX_CC_SEP
* For Host physical/direct registers access define DX_CC_HOST
* For Host virtual mapping of registers define DX_CC_HOST_VIRT
*/
#ifndef _DX_CC_REGS_H_
#define _DX_CC_REGS_H_
#include "dx_bitops.h"
/* Include register base addresses data */
#if defined(DX_CC_SEP)
#include "dx_reg_base_sep.h"
#elif defined(DX_CC_HOST) || defined(DX_CC_HOST_VIRT) || defined(DX_CC_TEE)
#include "dx_reg_base_host.h"
#else
#error Define either DX_CC_SEP or DX_CC_HOST or DX_CC_HOST_VIRT
#endif
/* CC registers address calculation */
#if defined(DX_CC_SEP)
#define DX_CC_REG_ADDR(unit_name, reg_name) \
(DX_BASE_CC_PERIF + DX_BASE_ ## unit_name + \
DX_ ## reg_name ## _REG_OFFSET)
/* In host macros we ignore the unit_name because all offsets are from base */
#elif defined(DX_CC_HOST)
#define DX_CC_REG_ADDR(unit_name, reg_name) \
(DX_BASE_CC + DX_ ## reg_name ## _REG_OFFSET)
#elif defined(DX_CC_TEE)
#define DX_CC_REG_ADDR(unit_name, reg_name) \
(DX_BASE_CC + DX_ ## reg_name ## _REG_OFFSET)
#elif defined(DX_CC_HOST_VIRT)
#define DX_CC_REG_ADDR(cc_base_virt, unit_name, reg_name) \
(((unsigned long)(cc_base_virt)) + DX_ ## reg_name ## _REG_OFFSET)
#endif
/* Register Offset macros (from registers base address in host) */
#if defined(DX_CC_HOST) || defined(DX_CC_HOST_VIRT)
#define DX_CC_REG_OFFSET(reg_domain, reg_name) \
(DX_ ## reg_domain ## _ ## reg_name ## _REG_OFFSET)
/* Indexed GPR offset macros - note the (not original) preprocessor tricks...*/
/* (Using the macro without the "_" prefix is allowed with another macro *
* as the gpr_idx) */
#define _SEP_HOST_GPR_REG_OFFSET(gpr_idx) \
DX_CC_REG_OFFSET(HOST, SEP_HOST_GPR ## gpr_idx)
#define SEP_HOST_GPR_REG_OFFSET(gpr_idx) _SEP_HOST_GPR_REG_OFFSET(gpr_idx)
#define _HOST_SEP_GPR_REG_OFFSET(gpr_idx) \
DX_CC_REG_OFFSET(HOST, HOST_SEP_GPR ## gpr_idx)
#define HOST_SEP_GPR_REG_OFFSET(gpr_idx) _HOST_SEP_GPR_REG_OFFSET(gpr_idx)
/* GPR IRQ bit mask by GPR index */
#define _SEP_HOST_GPR_IRQ_MASK(gpr_idx) \
(1 << DX_HOST_IRR_SEP_HOST_GPR ## gpr_idx ## _INT_BIT_SHIFT)
#define SEP_HOST_GPR_IRQ_MASK(gpr_idx) _SEP_HOST_GPR_IRQ_MASK(gpr_idx)
#elif defined(DX_CC_SEP)
#define DX_CC_REG_OFFSET(unit_name, reg_name) \
(DX_BASE_ ## unit_name + DX_ ## reg_name ## _REG_OFFSET)
/* Indexed GPR address macros - note the (not original) preprocessor tricks...*/
/* (Using the macro without the "_" prefix is allowed with another macro *
* as the gpr_idx) */
#define _SEP_HOST_GPR_REG_ADDR(gpr_idx) \
DX_CC_REG_ADDR(SEP_RGF, SEP_SEP_HOST_GPR ## gpr_idx)
#define SEP_HOST_GPR_REG_ADDR(gpr_idx) _SEP_HOST_GPR_REG_ADDR(gpr_idx)
#define _HOST_SEP_GPR_REG_ADDR(gpr_idx) \
DX_CC_REG_ADDR(SEP_RGF, SEP_HOST_SEP_GPR ## gpr_idx)
#define HOST_SEP_GPR_REG_ADDR(gpr_idx) _HOST_SEP_GPR_REG_ADDR(gpr_idx)
#elif defined(DX_CC_TEE)
#define DX_CC_REG_OFFSET(unit_name, reg_name) \
(DX_BASE_ ## unit_name + DX_ ## reg_name ## _REG_OFFSET)
#else
#error "Undef exec domain,not DX_CC_SEP, DX_CC_HOST, DX_CC_HOST_VIRT, DX_CC_TEE"
#endif
/* Registers address macros for ENV registers (development FPGA only) */
#ifdef DX_BASE_ENV_REGS
#if defined(DX_CC_HOST)
#define DX_ENV_REG_ADDR(reg_name) \
(DX_BASE_ENV_REGS + DX_ENV_ ## reg_name ## _REG_OFFSET)
#elif defined(DX_CC_HOST_VIRT)
/* The OS driver resource address space covers the ENV registers, too */
/* Since DX_BASE_ENV_REGS is given in absolute address, we calc. the distance */
#define DX_ENV_REG_ADDR(cc_base_virt, reg_name) \
(((cc_base_virt) + (DX_BASE_ENV_REGS - DX_BASE_CC)) + \
DX_ENV_ ## reg_name ## _REG_OFFSET)
#endif
#endif /*DX_BASE_ENV_REGS */
/* Bit fields access */
#define DX_CC_REG_FLD_GET(unit_name, reg_name, fld_name, reg_val) \
(DX_ ## reg_name ## _ ## fld_name ## _BIT_SIZE == 0x20 ? \
reg_val /* Optimization for 32b fields */ : \
BITFIELD_GET(reg_val, DX_ ## reg_name ## _ ## fld_name ## _BIT_SHIFT, \
DX_ ## reg_name ## _ ## fld_name ## _BIT_SIZE))
#define DX_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; /* 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)
/* Usage example:
u32 reg_shadow = READ_REGISTER(DX_CC_REG_ADDR(CRY_KERNEL,AES_CONTROL));
DX_CC_REG_FLD_SET(CRY_KERNEL,AES_CONTROL,NK_KEY0,reg_shadow, 3);
DX_CC_REG_FLD_SET(CRY_KERNEL,AES_CONTROL,NK_KEY1,reg_shadow, 1);
WRITE_REGISTER(DX_CC_REG_ADDR(CRY_KERNEL,AES_CONTROL), reg_shadow);
*/
#endif /*_DX_CC_REGS_H_*/