126 lines
4.4 KiB
C
126 lines
4.4 KiB
C
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/**
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* @file hal_sdhost.h
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* @author ALLWINNERTECH IOT WLAN Team
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*/
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/*
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* Copyright (C) 2017 ALLWINNERTECH TECHNOLOGY CO., LTD. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of ALLWINNERTECH TECHNOLOGY CO., LTD. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DRIVER_CHIP_SDMMC_HAL_SDHOST_H_
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#define _DRIVER_CHIP_SDMMC_HAL_SDHOST_H_
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//#include "driver/chip/hal_def.h"
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#include "hal/hal_gpio.h"
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#include <stddef.h>
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#include <stdint.h>
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#include <kconfig.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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SDC0 = 0, /*!< SDC0 controller */
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SDC1 = 1, /*!< SDC1 controller */
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SDC_NUM /*!< only support 2 SD controller. */
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} SDC_Port;
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typedef enum {
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SDCGPIO_BAS = 0,
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SDCGPIO_DET = 1,
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} HAL_SDCGPIOType;
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typedef struct {
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uint8_t data_bits;
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int8_t has_detect_gpio;
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GPIO_Port detect_port;
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GPIO_Pin detect_pin;
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uint16_t detect_delay; /* delay interval (in ms) to wait power stable */
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GPIO_PinState detect_pin_present_val;
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} HAL_SDCGPIOCfg;
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/** @bried Detect card callback if used CONFIG_DETECT_CARD. */
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typedef void (*card_detect_cb)(uint32_t present);
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/** @bried SDC Init Structure definition. */
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typedef struct {
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uint16_t debug_mask;
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uint8_t low_speed;
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uint8_t dma_use;
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uint32_t pwr_mode;
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#ifdef CONFIG_DETECT_CARD
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uint32_t cd_mode;
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/* NOTE: The specification advise that CARD_DETECT_BY_D3 is not a preferred
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* mechanism for card detection. Moreover it won't work with MMC cards.
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* And, this won't work with external pull-up resistors on the card interface.
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* The preferred card detection mechanism is a mechanical switch on the card connector.
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*/
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#define CARD_DETECT_BY_GPIO_IRQ (2) /* mmc detected by gpio irq */
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#define CARD_ALWAYS_PRESENT (3) /* mmc always present, without detect pin */
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#define CARD_DETECT_BY_FS (4) /* mmc insert/remove by fs */
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#define CARD_DETECT_BY_D3 (5) /* mmc detected by data3 */
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card_detect_cb cd_cb; /* NOTE: should delay 500ms before rescan card to wait Voltage stable */
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#endif
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} SDC_InitTypeDef;
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/**
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* @brief Initializes the SDC peripheral.
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* @param sdc_id:
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* @arg sdc_id->SDC ID.
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* @param param:
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* @arg param->[in] The configuration information.
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* @retval SDC handler.
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*/
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extern struct mmc_host *hal_sdc_init(struct mmc_host *host);
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/**
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* @brief DeInitializes the SDC peripheral.
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* @param sdc_id:
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* @arg sdc_id-> SDC ID.
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* @retval None.
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*/
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extern int32_t hal_sdc_deinit(uint32_t sdc_id);
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extern struct mmc_host *hal_sdc_create(uint32_t sdc_id, SDC_InitTypeDef *param);
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extern int32_t hal_sdc_destroy(struct mmc_host *host);
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extern struct mmc_host *hal_sdc_open(uint32_t sdc_id);
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extern uint32_t hal_sdc_close(uint32_t sdc_id);
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extern void hal_sdc_set_high_speed(struct mmc_host *host);
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extern int hal_sdc_init_timeout(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _DRIVER_CHIP_SDMMC_HAL_SDHOST_H_ */
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