rt-thread/components/drivers/include/drivers/sdio.h

232 lines
9.1 KiB
C

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