1 /** 2 * 3 * Copyright (c) 2019 Microchip Technology Inc. and its subsidiaries. 4 * 5 * \asf_license_start 6 * 7 * \page License 8 * 9 * SPDX-License-Identifier: Apache-2.0 10 * 11 * Licensed under the Apache License, Version 2.0 (the "License"); you may 12 * not use this file except in compliance with the License. 13 * You may obtain a copy of the Licence at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, software 18 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 19 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 * See the License for the specific language governing permissions and 21 * limitations under the License. 22 * 23 * \asf_license_stop 24 * 25 */ 26 27 /** @file keyscan.h 28 *MEC1501 Keyboard matrix scan controller registers 29 */ 30 /** @defgroup MEC1501 Peripherals KSCAN 31 */ 32 33 #ifndef _KSCAN_H 34 #define _KSCAN_H 35 36 #include <stdint.h> 37 #include <stddef.h> 38 39 #include "regaccess.h" 40 41 /* =========================================================================*/ 42 /* ================ KBC ================ */ 43 /* =========================================================================*/ 44 45 #define MCHP_KSCAN_BASE_ADDR 0x40009c00u 46 47 /* 48 * KSCAN interrupts 49 */ 50 #define MCHP_KSCAN_GIRQ 21u 51 #define MCHP_KSCAN_GIRQ_NVIC 13u 52 /* Direct mode connection to NVIC */ 53 #define MCHP_KSAN_NVIC 135u 54 55 #define MCHP_KSCAN_GIRQ_POS 25u 56 57 #define MCHP_KSCAN_GIRQ_VAL (1u << 25) 58 59 /* 60 * KSO_SEL 61 */ 62 #define MCHP_KSCAN_KSO_SEL_REG_MASK 0xffu 63 #define MCHP_KSCAN_KSO_LINES_POS 0u 64 #define MCHP_KSCAN_KSO_LINES_MASK0 0x1fu 65 #define MCHP_KSCAN_KSO_LINES_MASK 0x1fu 66 #define MCHP_KSCAN_KSO_ALL_POS 5u 67 #define MCHP_KSCAN_KSO_ALL (1u << 5) 68 #define MCHP_KSCAN_KSO_EN_POS 6u 69 #define MCHP_KSCAN_KSO_EN (1u << 6) 70 #define MCHP_KSCAN_KSO_INV_POS 7u 71 #define MCHP_KSCAN_KSO_INV (1u << 7) 72 73 /* 74 * KSI_IN 75 */ 76 #define MCHP_KSCAN_KSI_IN_REG_MASK 0xffu 77 78 /* 79 * KSI_STS 80 */ 81 #define MCHP_KSCAN_KSI_STS_REG_MASK 0xffu 82 83 /* 84 * KSI_IEN 85 */ 86 #define MCHP_KSCAN_KSI_IEN_REG_MASK 0xffu 87 88 /* 89 * EXT_CTRL 90 */ 91 #define MCHP_KSCAN_EXT_CTRL_REG_MASK 0x01u 92 #define MCHP_KSCAN_EXT_CTRL_PREDRV_EN 0x01u 93 94 /** 95 * @brief Keyboard Controller Registers (KSCAN) 96 */ 97 typedef struct kscan_regs 98 { 99 uint8_t RSVD[4]; 100 __IOM uint32_t KSO_SEL; /*!< (@ 0x0004) KSO Select */ 101 uint32_t KSI_IN; /*!< (@ 0x0008) KSI Input States */ 102 __IOM uint32_t KSI_STS; /*!< (@ 0x000c) KSI Status */ 103 __IOM uint32_t KSI_IEN; /*!< (@ 0x0010) KSI Interrupt Enable */ 104 __IOM uint32_t EXT_CTRL; /*!< (@ 0x0014) Extended Control */ 105 } KSCAN_Type; 106 107 #endif /* #ifndef _KSCAN_H */ 108 /* end kscan.h */ 109 /** @} 110 */ 111
