Amit Gandhi / mbed-dev

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Fork of mbed-dev by mbed official

targets/TARGET_Maxim/TARGET_MAX32625/mxc/maa.h@178:d650f5d4c87a, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 13:50:44 2017 +0000
Revision:
178:d650f5d4c87a
Parent:
150:02e0a0aed4ec 
This updates the lib to the mbed lib v 155

Who changed what in which revision?

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<> 150:02e0a0aed4ec 1 /**
<> 150:02e0a0aed4ec 2 * @file maa.h
<> 150:02e0a0aed4ec 3 * @brief Registers, Bit Masks and Bit Positions for the Modular Math
<> 150:02e0a0aed4ec 4 * Accelerator (MAA) module.
<> 150:02e0a0aed4ec 5 */
<> 150:02e0a0aed4ec 6 /* *****************************************************************************
<> 150:02e0a0aed4ec 7 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
<> 150:02e0a0aed4ec 8 *
<> 150:02e0a0aed4ec 9 * Permission is hereby granted, free of charge, to any person obtaining a
<> 150:02e0a0aed4ec 10 * copy of this software and associated documentation files (the "Software"),
<> 150:02e0a0aed4ec 11 * to deal in the Software without restriction, including without limitation
<> 150:02e0a0aed4ec 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
<> 150:02e0a0aed4ec 13 * and/or sell copies of the Software, and to permit persons to whom the
<> 150:02e0a0aed4ec 14 * Software is furnished to do so, subject to the following conditions:
<> 150:02e0a0aed4ec 15 *
<> 150:02e0a0aed4ec 16 * The above copyright notice and this permission notice shall be included
<> 150:02e0a0aed4ec 17 * in all copies or substantial portions of the Software.
<> 150:02e0a0aed4ec 18 *
<> 150:02e0a0aed4ec 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
<> 150:02e0a0aed4ec 20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
<> 150:02e0a0aed4ec 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
<> 150:02e0a0aed4ec 22 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
<> 150:02e0a0aed4ec 23 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
<> 150:02e0a0aed4ec 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
<> 150:02e0a0aed4ec 25 * OTHER DEALINGS IN THE SOFTWARE.
<> 150:02e0a0aed4ec 26 *
<> 150:02e0a0aed4ec 27 * Except as contained in this notice, the name of Maxim Integrated
<> 150:02e0a0aed4ec 28 * Products, Inc. shall not be used except as stated in the Maxim Integrated
<> 150:02e0a0aed4ec 29 * Products, Inc. Branding Policy.
<> 150:02e0a0aed4ec 30 *
<> 150:02e0a0aed4ec 31 * The mere transfer of this software does not imply any licenses
<> 150:02e0a0aed4ec 32 * of trade secrets, proprietary technology, copyrights, patents,
<> 150:02e0a0aed4ec 33 * trademarks, maskwork rights, or any other form of intellectual
<> 150:02e0a0aed4ec 34 * property whatsoever. Maxim Integrated Products, Inc. retains all
<> 150:02e0a0aed4ec 35 * ownership rights.
<> 150:02e0a0aed4ec 36 *
<> 150:02e0a0aed4ec 37 * $Date: 2016-08-15 11:28:30 -0500 (Mon, 15 Aug 2016) $
<> 150:02e0a0aed4ec 38 * $Revision: 24064 $
<> 150:02e0a0aed4ec 39 *
<> 150:02e0a0aed4ec 40 **************************************************************************** */
<> 150:02e0a0aed4ec 41
<> 150:02e0a0aed4ec 42 /* Define to prevent redundant inclusion */
<> 150:02e0a0aed4ec 43 #ifndef _MAA_H
<> 150:02e0a0aed4ec 44 #define _MAA_H
<> 150:02e0a0aed4ec 45
<> 150:02e0a0aed4ec 46 /* **** Includes **** */
<> 150:02e0a0aed4ec 47 #include <stdint.h>
<> 150:02e0a0aed4ec 48
<> 150:02e0a0aed4ec 49 #include "maa_regs.h"
<> 150:02e0a0aed4ec 50
<> 150:02e0a0aed4ec 51 #ifdef __cplusplus
<> 150:02e0a0aed4ec 52 extern "C" {
<> 150:02e0a0aed4ec 53 #endif
<> 150:02e0a0aed4ec 54
<> 150:02e0a0aed4ec 55 /**
<> 150:02e0a0aed4ec 56 * @defgroup maa MAA
<> 150:02e0a0aed4ec 57 * @ingroup periphlibs
<> 150:02e0a0aed4ec 58 * @details The API only supports synchronous operations due to the sensitive
<> 150:02e0a0aed4ec 59 * nature of the input and output data.
<> 150:02e0a0aed4ec 60 * @{
<> 150:02e0a0aed4ec 61 */
<> 150:02e0a0aed4ec 62
<> 150:02e0a0aed4ec 63 /* **** Definitions **** */
<> 150:02e0a0aed4ec 64
<> 150:02e0a0aed4ec 65 /**
<> 150:02e0a0aed4ec 66 * Definition for the maximum MAA register size on this device in bytes, 128.
<> 150:02e0a0aed4ec 67 */
<> 150:02e0a0aed4ec 68 #define MXC_MAA_REG_SIZE 0x80
<> 150:02e0a0aed4ec 69 /**
<> 150:02e0a0aed4ec 70 * Definition for the maximum MAA register size on this device in bits, 1024.
<> 150:02e0a0aed4ec 71 */
<> 150:02e0a0aed4ec 72 #define MXC_MAA_REG_SIZE_BITS (MXC_MAA_REG_SIZE << 3)
<> 150:02e0a0aed4ec 73
<> 150:02e0a0aed4ec 74 /**
<> 150:02e0a0aed4ec 75 * @define Sub-register ("half size"), allowing 2x more operands in MAA at a time when MAWS <= MAX_SIZE/2
<> 150:02e0a0aed4ec 76 */
<> 150:02e0a0aed4ec 77 #define MXC_MAA_HALF_SIZE (MXC_MAA_REG_SIZE/2)
<> 150:02e0a0aed4ec 78
<> 150:02e0a0aed4ec 79 /** Flags for MAA_Load() and MAA_Unload() */
<> 150:02e0a0aed4ec 80 #define MXC_MAA_F_MEM_VERBATIM 0
<> 150:02e0a0aed4ec 81 /** Flags for MAA_Load() and MAA_Unload() */
<> 150:02e0a0aed4ec 82 #define MXC_MAA_F_MEM_REVERSE 1
<> 150:02e0a0aed4ec 83
<> 150:02e0a0aed4ec 84 /**
<> 150:02e0a0aed4ec 85 * Enumeration type for Segment and Sub-segment selection
<> 150:02e0a0aed4ec 86 */
<> 150:02e0a0aed4ec 87 /* Warning: Do not change the assigned numbers/ordering without associated changes to UMAA_REGFILE_TO_ADDR(x) */
<> 150:02e0a0aed4ec 88 typedef enum {
<> 150:02e0a0aed4ec 89 /* Register names when MAWS > 512 */
<> 150:02e0a0aed4ec 90 MXC_E_REG_0 = 0, /**< Register name if MAA_MAWS > 512 */
<> 150:02e0a0aed4ec 91 MXC_E_REG_1 = 2, /**< Register name if MAA_MAWS > 512 */
<> 150:02e0a0aed4ec 92 MXC_E_REG_2 = 4, /**< Register name if MAA_MAWS > 512 */
<> 150:02e0a0aed4ec 93 MXC_E_REG_3 = 6, /**< Register name if MAA_MAWS > 512 */
<> 150:02e0a0aed4ec 94 MXC_E_REG_4 = 8, /**< Register name if MAA_MAWS > 512 */
<> 150:02e0a0aed4ec 95 MXC_E_REG_5 = 10, /**< Register name if MAA_MAWS > 512 */
<> 150:02e0a0aed4ec 96 /* Register names when MAWS < 512 */
<> 150:02e0a0aed4ec 97 MXC_E_REG_00 = 0, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 98 MXC_E_REG_01 = 1, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 99 MXC_E_REG_10 = 2, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 100 MXC_E_REG_11 = 3, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 101 MXC_E_REG_20 = 4, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 102 MXC_E_REG_21 = 5, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 103 MXC_E_REG_30 = 6, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 104 MXC_E_REG_31 = 7, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 105 MXC_E_REG_40 = 8, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 106 MXC_E_REG_41 = 9, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 107 MXC_E_REG_50 = 10, /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 108 MXC_E_REG_51 = 11 /**< Register name if MAA_MAWS < 512 */
<> 150:02e0a0aed4ec 109 } mxc_maa_reg_select_t;
<> 150:02e0a0aed4ec 110
<> 150:02e0a0aed4ec 111 /**
<> 150:02e0a0aed4ec 112 * Enumeration type for MAA operation select.
<> 150:02e0a0aed4ec 113 */
<> 150:02e0a0aed4ec 114 typedef enum {
<> 150:02e0a0aed4ec 115 MXC_E_MAA_EXP = 0, /**< Exponentiate */
<> 150:02e0a0aed4ec 116 MXC_E_MAA_SQR = 1, /**< Square */
<> 150:02e0a0aed4ec 117 MXC_E_MAA_MUL = 2, /**< Multiply */
<> 150:02e0a0aed4ec 118 MXC_E_MAA_SQRMUL = 3, /**< Square followed by Multiply */
<> 150:02e0a0aed4ec 119 MXC_E_MAA_ADD = 4, /**< Addition */
<> 150:02e0a0aed4ec 120 MXC_E_MAA_SUB = 5 /**< Subtraction */
<> 150:02e0a0aed4ec 121 } mxc_maa_operation_t;
<> 150:02e0a0aed4ec 122
<> 150:02e0a0aed4ec 123 /**
<> 150:02e0a0aed4ec 124 * Enumeration type to set special flags for loading & unloading data.
<> 150:02e0a0aed4ec 125 */
<> 150:02e0a0aed4ec 126 typedef enum {
<> 150:02e0a0aed4ec 127
<> 150:02e0a0aed4ec 128 MXC_E_MAA_VERBATIM = 0, /**< Copy bytes without reversal and right-justification */
<> 150:02e0a0aed4ec 129 MXC_E_MAA_REVERSE /**< Reverse bytes and right-justify (bytes are loaded at the highest address, then descending) */
<> 150:02e0a0aed4ec 130 } mxc_maa_endian_select_t;
<> 150:02e0a0aed4ec 131
<> 150:02e0a0aed4ec 132 /**
<> 150:02e0a0aed4ec 133 * Enumeration type for MAA module specific return codes.
<> 150:02e0a0aed4ec 134 */
<> 150:02e0a0aed4ec 135 typedef enum {
<> 150:02e0a0aed4ec 136 MXC_E_MAA_ERR = -1, /**< Error */
<> 150:02e0a0aed4ec 137 MXC_E_MAA_OK = 0, /**< No Error */
<> 150:02e0a0aed4ec 138 MXC_E_MAA_BUSY /**< MAA engine busy, try again later */
<> 150:02e0a0aed4ec 139 } mxc_maa_ret_t;
<> 150:02e0a0aed4ec 140
<> 150:02e0a0aed4ec 141 /**
<> 150:02e0a0aed4ec 142 * @brief Initialize the required clocks and enable the MAA peripheral
<> 150:02e0a0aed4ec 143 * module.
<> 150:02e0a0aed4ec 144 */
<> 150:02e0a0aed4ec 145 mxc_maa_ret_t MAA_Init(void);
<> 150:02e0a0aed4ec 146
<> 150:02e0a0aed4ec 147 /**
<> 150:02e0a0aed4ec 148 * @brief Erase all MAA register RAM
<> 150:02e0a0aed4ec 149 */
<> 150:02e0a0aed4ec 150 mxc_maa_ret_t MAA_WipeRAM(void);
<> 150:02e0a0aed4ec 151
<> 150:02e0a0aed4ec 152
<> 150:02e0a0aed4ec 153 /**
<> 150:02e0a0aed4ec 154 * @brief Load the selected MAA register.
<> 150:02e0a0aed4ec 155 *
<> 150:02e0a0aed4ec 156 * @param regfile Selects the register to load.
<> 150:02e0a0aed4ec 157 * @param data Pointer to a data buffer to load into the register.
<> 150:02e0a0aed4ec 158 * @param size Size of the data to load.
<> 150:02e0a0aed4ec 159 * @param flag Reverse the data so that it will unload properly on
<> 150:02e0a0aed4ec 160 * little endian machines, see #mxc_maa_endian_select_t.
<> 150:02e0a0aed4ec 161 *
<> 150:02e0a0aed4ec 162 * @return #MXC_E_MAA_ERR if any parameter out of range.
<> 150:02e0a0aed4ec 163 * @return #MXC_E_MAA_BUSY if MAA registers are not currently accessible.
<> 150:02e0a0aed4ec 164 * @return #MXC_E_MAA_OK if the selected register is loaded correctly.
<> 150:02e0a0aed4ec 165 */
<> 150:02e0a0aed4ec 166 mxc_maa_ret_t MAA_Load(mxc_maa_reg_select_t regfile, const uint8_t *data, unsigned int size, mxc_maa_endian_select_t flag);
<> 150:02e0a0aed4ec 167
<> 150:02e0a0aed4ec 168 /**
<> 150:02e0a0aed4ec 169 * @brief Unload (copy from) the selected MAA register
<> 150:02e0a0aed4ec 170 *
<> 150:02e0a0aed4ec 171 * @param regfile Selects the register to unload.
<> 150:02e0a0aed4ec 172 * @param data Pointer to a buffer to store the unloaded data.
<> 150:02e0a0aed4ec 173 * @param size Maximum size of the data to unload.
<> 150:02e0a0aed4ec 174 * @param flag Reverse the data so that it will unload properly on
<> 150:02e0a0aed4ec 175 * little endian machines, see #mxc_maa_endian_select_t.
<> 150:02e0a0aed4ec 176 * @return #MXC_E_MAA_ERR if any parameter out of range.
<> 150:02e0a0aed4ec 177 * @return #MXC_E_MAA_BUSY if MAA registers are not currently accessible.
<> 150:02e0a0aed4ec 178 * @return #MXC_E_MAA_OK if the requested register data is copied correctly
<> 150:02e0a0aed4ec 179 * to @p data.
<> 150:02e0a0aed4ec 180 */
<> 150:02e0a0aed4ec 181 mxc_maa_ret_t MAA_Unload(mxc_maa_reg_select_t regfile, uint8_t *data, unsigned int size, mxc_maa_endian_select_t flag);
<> 150:02e0a0aed4ec 182
<> 150:02e0a0aed4ec 183 /**
<> 150:02e0a0aed4ec 184 * @brief Execute an MAA operation specified.
<> 150:02e0a0aed4ec 185 *
<> 150:02e0a0aed4ec 186 * @param op Operation to perform, see #mxc_maa_operation_t.
<> 150:02e0a0aed4ec 187 * @param al Segment to use for operand A, see #mxc_maa_reg_select_t.
<> 150:02e0a0aed4ec 188 * @param bl Segment to use for operand B.
<> 150:02e0a0aed4ec 189 * @param rl Segment which will hold result R after the operation is
<> 150:02e0a0aed4ec 190 * complete.
<> 150:02e0a0aed4ec 191 * @param tl Segment to use for temporary storage T.
<> 150:02e0a0aed4ec 192 *
<> 150:02e0a0aed4ec 193 * @return #MXC_E_MAA_ERR if any parameter out of range.
<> 150:02e0a0aed4ec 194 * @return #MXC_E_MAA_BUSY if MAA registers are not currently accessible.
<> 150:02e0a0aed4ec 195 * @return #MXC_E_MAA_OK if the operation completed.
<> 150:02e0a0aed4ec 196 */
<> 150:02e0a0aed4ec 197 mxc_maa_ret_t MAA_Run(mxc_maa_operation_t op, \
<> 150:02e0a0aed4ec 198 mxc_maa_reg_select_t al, mxc_maa_reg_select_t bl, \
<> 150:02e0a0aed4ec 199 mxc_maa_reg_select_t rl, mxc_maa_reg_select_t tl);
<> 150:02e0a0aed4ec 200
<> 150:02e0a0aed4ec 201 /**
<> 150:02e0a0aed4ec 202 * @brief Set the bit length of the modulus.
<> 150:02e0a0aed4ec 203 *
<> 150:02e0a0aed4ec 204 * @param len Modulus size in bits (ie. \f$ ln_2(modulus) \f$ )
<> 150:02e0a0aed4ec 205 *
<> 150:02e0a0aed4ec 206 * @return #MXC_E_MAA_ERR if any parameter out of range.
<> 150:02e0a0aed4ec 207 * @return #MXC_E_MAA_BUSY if MAA registers are not currently accessible.
<> 150:02e0a0aed4ec 208 * @return #MXC_E_MAA_OK if the length is set as requested.
<> 150:02e0a0aed4ec 209 */
<> 150:02e0a0aed4ec 210 mxc_maa_ret_t MAA_SetWordSize(unsigned int len);
<> 150:02e0a0aed4ec 211
<> 150:02e0a0aed4ec 212 /**
<> 150:02e0a0aed4ec 213 * @}
<> 150:02e0a0aed4ec 214 */
<> 150:02e0a0aed4ec 215
<> 150:02e0a0aed4ec 216 #ifdef __cplusplus
<> 150:02e0a0aed4ec 217 }
<> 150:02e0a0aed4ec 218 #endif
<> 150:02e0a0aed4ec 219
<> 150:02e0a0aed4ec 220 #endif