232 lines
9.1 KiB
C
232 lines
9.1 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2012-01-15 weety first version
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*/
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#ifndef __SDIO_H__
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#define __SDIO_H__
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#include <rtthread.h>
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#include <drivers/mmcsd_host.h>
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#include <drivers/mmcsd_card.h>
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#include <drivers/sdio_func_ids.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Card Common Control Registers (CCCR)
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*/
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#define SDIO_REG_CCCR_CCCR_REV 0x00
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#define SDIO_CCCR_REV_1_00 0 /* CCCR/FBR Version 1.00 */
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#define SDIO_CCCR_REV_1_10 1 /* CCCR/FBR Version 1.10 */
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#define SDIO_CCCR_REV_1_20 2 /* CCCR/FBR Version 1.20 */
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#define SDIO_CCCR_REV_3_00 3 /* CCCR/FBR Version 2.00 */
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#define SDIO_SDIO_REV_1_00 0 /* SDIO Spec Version 1.00 */
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#define SDIO_SDIO_REV_1_10 1 /* SDIO Spec Version 1.10 */
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#define SDIO_SDIO_REV_1_20 2 /* SDIO Spec Version 1.20 */
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#define SDIO_SDIO_REV_2_00 3 /* SDIO Spec Version 2.00 */
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#define SDIO_REG_CCCR_SD_REV 0x01
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#define SDIO_SD_REV_1_01 0 /* SD Physical Spec Version 1.01 */
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#define SDIO_SD_REV_1_10 1 /* SD Physical Spec Version 1.10 */
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#define SDIO_SD_REV_2_00 2 /* SD Physical Spec Version 2.00 */
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#define SDIO_REG_CCCR_IO_EN 0x02
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#define SDIO_REG_CCCR_IO_RDY 0x03
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#define SDIO_REG_CCCR_INT_EN 0x04 /* Function/Master Interrupt Enable */
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#define SDIO_REG_CCCR_INT_PEND 0x05 /* Function Interrupt Pending */
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#define SDIO_REG_CCCR_IO_ABORT 0x06 /* function abort/card reset */
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#define SDIO_REG_CCCR_BUS_IF 0x07 /* bus interface controls */
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#define SDIO_BUS_WIDTH_1BIT 0x00
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#define SDIO_BUS_WIDTH_4BIT 0x02
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#define SDIO_BUS_ECSI 0x20 /* Enable continuous SPI interrupt */
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#define SDIO_BUS_SCSI 0x40 /* Support continuous SPI interrupt */
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#define SDIO_BUS_ASYNC_INT 0x20
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#define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */
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#define SDIO_REG_CCCR_CARD_CAPS 0x08
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#define SDIO_CCCR_CAP_SDC 0x01 /* can do CMD52 while data transfer */
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#define SDIO_CCCR_CAP_SMB 0x02 /* can do multi-block xfers (CMD53) */
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#define SDIO_CCCR_CAP_SRW 0x04 /* supports read-wait protocol */
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#define SDIO_CCCR_CAP_SBS 0x08 /* supports suspend/resume */
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#define SDIO_CCCR_CAP_S4MI 0x10 /* interrupt during 4-bit CMD53 */
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#define SDIO_CCCR_CAP_E4MI 0x20 /* enable ints during 4-bit CMD53 */
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#define SDIO_CCCR_CAP_LSC 0x40 /* low speed card */
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#define SDIO_CCCR_CAP_4BLS 0x80 /* 4 bit low speed card */
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#define SDIO_REG_CCCR_CIS_PTR 0x09 /* common CIS pointer (3 bytes) */
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/* Following 4 regs are valid only if SBS is set */
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#define SDIO_REG_CCCR_BUS_SUSPEND 0x0c
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#define SDIO_REG_CCCR_FUNC_SEL 0x0d
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#define SDIO_REG_CCCR_EXEC_FLAG 0x0e
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#define SDIO_REG_CCCR_READY_FLAG 0x0f
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#define SDIO_REG_CCCR_FN0_BLKSIZE 0x10 /* 2bytes, 0x10~0x11 */
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#define SDIO_REG_CCCR_POWER_CTRL 0x12
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#define SDIO_POWER_SMPC 0x01 /* Supports Master Power Control */
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#define SDIO_POWER_EMPC 0x02 /* Enable Master Power Control */
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#define SDIO_REG_CCCR_SPEED 0x13
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#define SDIO_SPEED_SHS 0x01 /* Supports High-Speed mode */
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#define SDIO_SPEED_EHS 0x02 /* Enable High-Speed mode */
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/*
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* Function Basic Registers (FBR)
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*/
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#define SDIO_REG_FBR_BASE(f) ((f) * 0x100) /* base of function f's FBRs */
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#define SDIO_REG_FBR_STD_FUNC_IF 0x00
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#define SDIO_FBR_SUPPORTS_CSA 0x40 /* supports Code Storage Area */
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#define SDIO_FBR_ENABLE_CSA 0x80 /* enable Code Storage Area */
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#define SDIO_REG_FBR_STD_IF_EXT 0x01
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#define SDIO_REG_FBR_POWER 0x02
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#define SDIO_FBR_POWER_SPS 0x01 /* Supports Power Selection */
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#define SDIO_FBR_POWER_EPS 0x02 /* Enable (low) Power Selection */
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#define SDIO_REG_FBR_CIS 0x09 /* CIS pointer (3 bytes) */
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#define SDIO_REG_FBR_CSA 0x0C /* CSA pointer (3 bytes) */
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#define SDIO_REG_FBR_CSA_DATA 0x0F
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#define SDIO_REG_FBR_BLKSIZE 0x10 /* block size (2 bytes) */
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/* SDIO CIS Tuple code */
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#define CISTPL_NULL 0x00
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#define CISTPL_CHECKSUM 0x10
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#define CISTPL_VERS_1 0x15
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#define CISTPL_ALTSTR 0x16
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#define CISTPL_MANFID 0x20
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#define CISTPL_FUNCID 0x21
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#define CISTPL_FUNCE 0x22
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#define CISTPL_SDIO_STD 0x91
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#define CISTPL_SDIO_EXT 0x92
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#define CISTPL_END 0xff
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/* SDIO device id */
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#define SDIO_ANY_FUNC_ID 0xff
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#define SDIO_ANY_MAN_ID 0xffff
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#define SDIO_ANY_PROD_ID 0xffff
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struct rt_sdio_device_id
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{
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rt_uint8_t func_code;
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rt_uint16_t manufacturer;
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rt_uint16_t product;
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};
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struct rt_sdio_driver
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{
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char *name;
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rt_int32_t (*probe)(struct rt_mmcsd_card *card);
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rt_int32_t (*remove)(struct rt_mmcsd_card *card);
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struct rt_sdio_device_id *id;
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};
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rt_int32_t sdio_io_send_op_cond(struct rt_mmcsd_host *host,
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rt_uint32_t ocr,
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rt_uint32_t *cmd5_resp);
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rt_int32_t sdio_io_rw_direct(struct rt_mmcsd_card *card,
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rt_int32_t rw,
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rt_uint32_t fn,
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rt_uint32_t reg_addr,
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rt_uint8_t *pdata,
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rt_uint8_t raw);
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rt_int32_t sdio_io_rw_extended(struct rt_mmcsd_card *card,
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rt_int32_t rw,
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rt_uint32_t fn,
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rt_uint32_t addr,
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rt_int32_t op_code,
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rt_uint8_t *buf,
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rt_uint32_t blocks,
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rt_uint32_t blksize);
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rt_int32_t sdio_io_rw_extended_block(struct rt_sdio_function *func,
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rt_int32_t rw,
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rt_uint32_t addr,
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rt_int32_t op_code,
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rt_uint8_t *buf,
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rt_uint32_t len);
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rt_uint8_t sdio_io_readb(struct rt_sdio_function *func,
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rt_uint32_t reg,
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rt_int32_t *err);
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rt_int32_t sdio_io_writeb(struct rt_sdio_function *func,
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rt_uint32_t reg,
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rt_uint8_t data);
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rt_uint16_t sdio_io_readw(struct rt_sdio_function *func,
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rt_uint32_t addr,
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rt_int32_t *err);
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rt_int32_t sdio_io_writew(struct rt_sdio_function *func,
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rt_uint16_t data,
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rt_uint32_t addr);
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rt_uint32_t sdio_io_readl(struct rt_sdio_function *func,
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rt_uint32_t addr,
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rt_int32_t *err);
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rt_int32_t sdio_io_writel(struct rt_sdio_function *func,
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rt_uint32_t data,
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rt_uint32_t addr);
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rt_int32_t sdio_io_read_multi_fifo_b(struct rt_sdio_function *func,
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rt_uint32_t addr,
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rt_uint8_t *buf,
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rt_uint32_t len);
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rt_int32_t sdio_io_write_multi_fifo_b(struct rt_sdio_function *func,
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rt_uint32_t addr,
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rt_uint8_t *buf,
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rt_uint32_t len);
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rt_int32_t sdio_io_read_multi_incr_b(struct rt_sdio_function *func,
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rt_uint32_t addr,
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rt_uint8_t *buf,
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rt_uint32_t len);
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rt_int32_t sdio_io_write_multi_incr_b(struct rt_sdio_function *func,
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rt_uint32_t addr,
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rt_uint8_t *buf,
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rt_uint32_t len);
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rt_int32_t init_sdio(struct rt_mmcsd_host *host, rt_uint32_t ocr);
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rt_int32_t sdio_attach_irq(struct rt_sdio_function *func,
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rt_sdio_irq_handler_t *handler);
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rt_int32_t sdio_detach_irq(struct rt_sdio_function *func);
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void sdio_irq_wakeup(struct rt_mmcsd_host *host);
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rt_int32_t sdio_enable_func(struct rt_sdio_function *func);
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rt_int32_t sdio_disable_func(struct rt_sdio_function *func);
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void sdio_set_drvdata(struct rt_sdio_function *func, void *data);
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void* sdio_get_drvdata(struct rt_sdio_function *func);
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rt_int32_t sdio_set_block_size(struct rt_sdio_function *func,
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rt_uint32_t blksize);
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rt_int32_t sdio_register_driver(struct rt_sdio_driver *driver);
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rt_int32_t sdio_unregister_driver(struct rt_sdio_driver *driver);
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void rt_sdio_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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