1 /* 2 * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef _MEC_KSCAN_H 8 #define _MEC_KSCAN_H 9 10 #include <stdint.h> 11 #include <stddef.h> 12 13 /* KSO_SEL */ 14 #define MCHP_KSCAN_KSO_SEL_REG_MASK 0xffu 15 #define MCHP_KSCAN_KSO_LINES_POS 0u 16 #define MCHP_KSCAN_KSO_LINES_MASK0 0x1fu 17 #define MCHP_KSCAN_KSO_LINES_MASK 0x1fu 18 #define MCHP_KSCAN_KSO_ALL_POS 5u 19 #define MCHP_KSCAN_KSO_ALL BIT(5) 20 #define MCHP_KSCAN_KSO_EN_POS 6u 21 #define MCHP_KSCAN_KSO_EN BIT(6) 22 #define MCHP_KSCAN_KSO_INV_POS 7u 23 #define MCHP_KSCAN_KSO_INV BIT(7) 24 25 /* KSI_IN */ 26 #define MCHP_KSCAN_KSI_IN_REG_MASK 0xffu 27 28 /* KSI_STS */ 29 #define MCHP_KSCAN_KSI_STS_REG_MASK 0xffu 30 31 /* KSI_IEN */ 32 #define MCHP_KSCAN_KSI_IEN_REG_MASK 0xffu 33 34 /* EXT_CTRL */ 35 #define MCHP_KSCAN_EXT_CTRL_REG_MASK 0x01u 36 #define MCHP_KSCAN_EXT_CTRL_PREDRV_EN 0x01u 37 38 /** @brief Keyboard scan matrix controller. Size = 24(0x18) */ 39 struct kscan_regs { 40 uint32_t RSVD[1]; 41 volatile uint32_t KSO_SEL; 42 volatile uint32_t KSI_IN; 43 volatile uint32_t KSI_STS; 44 volatile uint32_t KSI_IEN; 45 volatile uint32_t EXT_CTRL; 46 }; 47 48 #endif /* #ifndef _MEC_KSCAN_H */ 49
