1 // Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 #include <stdint.h> 17 //include soc related (generated) definitions 18 #include "soc/soc_caps.h" 19 #include "soc/soc_pins.h" 20 #include "soc/sdmmc_reg.h" 21 #include "soc/sdmmc_struct.h" 22 #include "soc/gpio_sig_map.h" 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /** 29 * Common SDMMC slot info, doesn't depend on SOC_SDMMC_USE_{IOMUX,GPIO_MATRIX} 30 */ 31 typedef struct { 32 uint8_t width; /*!< Maximum supported slot width (1, 4, 8) */ 33 uint8_t card_detect; /*!< Card detect signal in GPIO Matrix */ 34 uint8_t write_protect; /*!< Write protect signal in GPIO Matrix */ 35 uint8_t card_int; /*!< Card interrupt signal in GPIO Matrix */ 36 } sdmmc_slot_info_t; 37 38 /** Width and GPIO matrix signal numbers for auxillary SD host signals, one structure per slot */ 39 extern const sdmmc_slot_info_t sdmmc_slot_info[SOC_SDMMC_NUM_SLOTS]; 40 41 /** 42 * This structure lists pin numbers (if SOC_SDMMC_USE_IOMUX is set) 43 * or GPIO Matrix signal numbers (if SOC_SDMMC_USE_GPIO_MATRIX is set) 44 * for the SD bus signals. Field names match SD bus signal names. 45 */ 46 typedef struct { 47 uint8_t clk; 48 uint8_t cmd; 49 uint8_t d0; 50 uint8_t d1; 51 uint8_t d2; 52 uint8_t d3; 53 uint8_t d4; 54 uint8_t d5; 55 uint8_t d6; 56 uint8_t d7; 57 } sdmmc_slot_io_info_t; 58 59 /* Note: it is in theory possible to have both IOMUX and GPIO Matrix supported 60 * in the same SoC. However this is not used on any SoC at this point, and would 61 * complicate the driver. Hence only one of these options is supported at a time. 62 */ 63 #if SOC_SDMMC_USE_IOMUX 64 /** GPIO pin numbers of SD bus signals, one structure per slot */ 65 extern const sdmmc_slot_io_info_t sdmmc_slot_gpio_num[SOC_SDMMC_NUM_SLOTS]; 66 67 #elif SOC_SDMMC_USE_GPIO_MATRIX 68 /** GPIO matrix signal numbers of SD bus signals, one structure per slot */ 69 extern const sdmmc_slot_io_info_t sdmmc_slot_gpio_sig[SOC_SDMMC_NUM_SLOTS]; 70 71 #endif // SOC_SDMMC_USE_{IOMUX,GPIO_MATRIX} 72 73 #ifdef __cplusplus 74 } 75 #endif 76
