/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_SDCARD_SDA_H #define _SYS_SDCARD_SDA_H #include #include #ifdef __cplusplus extern "C" { #endif /* * SD card common framework. This module provides most of the common * functionality so that SecureDigital host adapters and client devices * (such as the sdmem driver) can share common code. */ /* * SD Commands. Commmand format is 48-bits as follows: * * bits value desc * ------------------------------------------- * 47 0 start bit * 46 1 transmission bit * 45:40 cmd command index (see values listed below) * 39:8 arg 32-bit command argument * 7:1 crc7 crc7 check value * 0 1 end bit * ------------------------------------------- */ typedef enum { CMD_GO_IDLE = 0, CMD_SEND_OCR = 1, /* MMC only */ CMD_BCAST_CID = 2, CMD_SEND_RCA = 3, CMD_SET_DSR = 4, CMD_IO_SEND_OCR = 5, /* SDIO only */ CMD_SWITCH_FUNC = 6, CMD_SELECT_CARD = 7, CMD_SEND_IF_COND = 8, CMD_SEND_CSD = 9, CMD_SEND_CID = 10, CMD_STOP_TRANSMIT = 12, CMD_SEND_STATUS = 13, CMD_GO_INACTIVE = 15, CMD_SET_BLOCKLEN = 16, CMD_READ_SINGLE = 17, CMD_READ_MULTI = 18, CMD_WRITE_SINGLE = 24, CMD_WRITE_MULTI = 25, CMD_PROGRAM_CSD = 27, CMD_SET_WRITE_PROT = 28, CMD_CLR_WRITE_PROT = 29, CMD_SEND_WRITE_PROT = 30, CMD_ERASE_START = 32, CMD_ERASE_END = 33, CMD_ERASE = 38, CMD_LOCK = 42, CMD_IO_RW_DIRECT = 52, CMD_IO_RW_EXTENDED = 53, CMD_APP_CMD = 55, CMD_GEN_CMD = 56, /* APP CMD values, send ACMD first */ ACMD_SET_BUS_WIDTH = 6, ACMD_SD_STATUS = 13, ACMD_SEND_NUM_WR_BLKS = 22, ACMD_SET_WR_BLK_ERASE_COUNT = 23, ACMD_SD_SEND_OCR = 41, ACMD_SET_CLR_CARD_DETECT = 42, ACMD_SEND_SCR = 51 } sda_index_t; /* * Classes of response type. Note that we encode the "busy bit" as * value 0x10. */ typedef enum { R0 = 0, R1 = 1, R2 = 2, R3 = 3, R4 = 4, R5 = 5, R6 = 6, R7 = 7, Rb = 0x10, R1b = 0x11, R5b = 0x15 } sda_rtype_t; /* * R1 status bits. */ #define R1_OUT_OF_RANGE (1U << 31) #define R1_ADDRESS_ERROR (1U << 30) #define R1_BLOCK_LEN_ERROR (1U << 29) #define R1_ERASE_SEQ_ERROR (1U << 28) #define R1_ERASE_PARAM (1U << 27) #define R1_WP_VIOLATION (1U << 26) #define R1_CARD_IS_LOCKED (1U << 25) #define R1_LOCK_FAILED (1U << 24) #define R1_COM_CRC_ERROR (1U << 23) #define R1_ILLEGAL_COMMAND (1U << 22) #define R1_CARD_ECC_FAILED (1U << 21) #define R1_CC_ERROR (1U << 20) #define R1_ERROR (1U << 19) #define R1_CSD_OVERWRITE (1U << 16) #define R1_WP_ERASE_SKIP (1U << 15) #define R1_CARD_ECC_DIS (1U << 14) #define R1_ERASE_RESET (1U << 13) #define R1_READY_FOR_DATA (1U << 8) #define R1_APP_CMD (1U << 5) #define R1_AKE_SEQ_ERROR (1U << 3) /* * Note that R1_COM_CRC_ERR, R1_ILLEGAL_COMMAND, R1_ERASE_SEQ_ERROR, and * R1_AKE_SEQ_ERROR errors are delayed error bits reported on the next * command. So we don't list them here. */ #define R1_ERRS (\ R1_ERROR | R1_OUT_OF_RANGE | R1_ADDRESS_ERROR | R1_BLOCK_LEN_ERROR | \ R1_ERASE_PARAM | R1_WP_VIOLATION | R1_LOCK_FAILED | \ R1_CARD_ECC_FAILED | R1_CC_ERROR | R1_CSD_OVERWRITE | \ R1_WP_ERASE_SKIP) #define R1_STATE(x) (((x) & 0xf) >> 9) /* * R5 status bits. */ #define R5_COM_CRC_ERROR (1U << 7) #define R5_ILLEGAL_COMMAND (1U << 6) #define R5_ERROR (1U << 3) #define R5_RFU (1U << 2) #define R5_FUNCTION_NUMBER (1U << 1) #define R5_OUT_OF_RANGE (1U << 0) #define R5_ERRS (R5_ERROR | R5_FUNCTION_NUMBER | R5_OUT_OF_RANGE) #define R5_IO_STATE(x) (((x) & 0x3) >> 4) /* * R7 bits (CMD8). */ #define R7_VHS_27_36V (1U << 8) #define R7_PATTERN (0xAA) /* * OCR bits. */ #define OCR_POWER_UP (1U << 31) #define OCR_CCS (1U << 30) #define OCR_FUNCS(x) (((x) & 7) >> 28) /* SDIO only */ #define OCR_MEM_PRESENT (1U << 27) /* SDIO only */ #define OCR_VOLTAGE_MASK (0xffffffU) /* (bits 0-23 */ #define OCR_HI_MASK (0xff8000U) /* 2.7-3.6V */ #define OCR_35_36V (1U << 23) #define OCR_34_35V (1U << 22) #define OCR_33_34V (1U << 21) #define OCR_32_33V (1U << 20) #define OCR_31_32V (1U << 19) #define OCR_30_31V (1U << 18) #define OCR_29_30V (1U << 17) #define OCR_28_29V (1U << 16) #define OCR_27_28V (1U << 15) #define OCR_26_27V (1U << 14) #define OCR_25_26V (1U << 14) #define OCR_24_25V (1U << 13) #define OCR_23_24V (1U << 12) #define OCR_22_23V (1U << 11) #define OCR_21_22V (1U << 10) #define OCR_20_21V (1U << 9) #define OCR_19_20V (1U << 8) #define OCR_18_19V (1U << 7) #define OCR_17_18V (1U << 6) /* * Command structure. Used internally by the framework, and by host * drivers. Note that it is forbidden to depend on the size of this * structure. */ typedef struct sda_cmd sda_cmd_t; struct sda_cmd { /* * The ordering of these is done to maximize packing. */ sda_index_t sc_index; /* command name */ sda_rtype_t sc_rtype; /* response type expected */ uint16_t sc_flags; uint32_t sc_argument; /* command argument */ uint32_t sc_response[4]; uint16_t sc_nblks; uint16_t sc_blksz; uint32_t sc_resid; uint_t sc_ndmac; /* # DMA cookies */ ddi_dma_cookie_t *sc_dmacs; /* actual DMA cookies */ caddr_t sc_kvaddr; /* kernel virtual address */ #define SDA_CMDF_READ 0x0001 /* transfer direction */ #define SDA_CMDF_WRITE 0x0002 /* transfer direction */ #define SDA_CMDF_AUTO_CMD12 0x0004 /* cmd12 requested */ /* private flags .. not for driver consumption */ #define SDA_CMDF_DAT 0x0100 /* data phase pending */ #define SDA_CMDF_BUSY 0x0200 /* cmd in-flight or queued */ #define SDA_CMDF_INIT 0x0400 /* initialization command */ #define SDA_CMDF_MEM 0x0800 /* memory target command */ }; _NOTE(SCHEME_PROTECTS_DATA("unshared request", sda_cmd)) /* * The framework has two APIs. The first API is for host controllers, * and is referred to as SDHOST. The second API is for target devices, * and is referred to as SDCLIENT. Please don't mix and match usage outside * of the framework implementation itself! */ typedef struct sda_host sda_host_t; typedef enum { SDA_PROP_INSERTED = 1, /* R: is card inserted? */ SDA_PROP_WPROTECT = 2, /* R: is card write protected */ SDA_PROP_LED = 3, /* W: LED */ SDA_PROP_CLOCK = 4, /* R: frequency, Hz */ SDA_PROP_BUSWIDTH = 5, /* W: bus width */ SDA_PROP_OCR = 6, /* RW: ocr R: supported, W: set curr */ SDA_PROP_CAP_4BITS = 7, /* R: 4 bit data bus? */ SDA_PROP_CAP_8BITS = 8, /* R: MMC future expansion */ SDA_PROP_CAP_HISPEED = 9, /* R: fast bus rates (> 25MHz) */ SDA_PROP_CAP_INTR = 10, /* R: SDIO interrupt support */ SDA_PROP_CAP_NOPIO = 11, /* R: Never needs bp_mapin */ SDA_PROP_HISPEED = 12 /* W: high speed (>25MHz) */ } sda_prop_t; typedef enum { SDA_FAULT_NONE = 0, /* No failure */ SDA_FAULT_ACMD12 = 1, /* Auto CMD12 failure */ SDA_FAULT_CRC7 = 2, /* CRC7 failure on CMD/DAT line */ SDA_FAULT_PROTO = 3, /* SD/MMC protocol error */ SDA_FAULT_CURRENT = 4, /* Current overlimit detected */ SDA_FAULT_INIT = 5, /* Card initialization failure */ SDA_FAULT_TIMEOUT = 6, /* Unexpected timeout failure */ SDA_FAULT_HOST = 7, /* Internal host or slot failure */ SDA_FAULT_RESET = 8, /* Slot failed to reset */ } sda_fault_t; typedef enum { SDA_EOK = 0, /* Success */ SDA_ECRC7 = 1, /* CRC7 failure */ SDA_EPROTO = 2, /* SD/MMC protocol error */ SDA_EINVAL = 3, /* Invalid argument */ SDA_ETIME = 4, /* Timeout */ SDA_ECMD12 = 5, /* Failed during stop cmd */ SDA_ENOTSUP = 6, /* Setting/property not supported */ SDA_ERESID = 7, /* Incomplete transfer */ SDA_EFAULT = 8, /* Previous fault condition present */ SDA_ENOMEM = 9, /* Memory exhausted */ SDA_EWPROTECT = 10, /* Media is write protected */ SDA_ENODEV = 11, /* Card removed */ SDA_ERESET = 12, /* Memory card reset */ SDA_EABORT = 13, /* Memory command aborted */ SDA_EIO = 14, /* Other generic error */ SDA_ESUSPENDED = 15, /* Slot has been suspended */ } sda_err_t; typedef struct sda_ops { int so_version; #define SDA_OPS_VERSION 1 sda_err_t (*so_cmd)(void *, sda_cmd_t *); sda_err_t (*so_getprop)(void *, sda_prop_t, uint32_t *); sda_err_t (*so_setprop)(void *, sda_prop_t, uint32_t); sda_err_t (*so_poll)(void *); sda_err_t (*so_reset)(void *); sda_err_t (*so_halt)(void *); } sda_ops_t; /* * Host operations. */ void sda_host_init_ops(struct dev_ops *); void sda_host_fini_ops(struct dev_ops *); sda_host_t *sda_host_alloc(dev_info_t *, int, sda_ops_t *, ddi_dma_attr_t *); void sda_host_free(sda_host_t *); void sda_host_set_private(sda_host_t *, int, void *); int sda_host_attach(sda_host_t *); void sda_host_detach(sda_host_t *); void sda_host_detect(sda_host_t *, int); void sda_host_fault(sda_host_t *, int, sda_fault_t); void sda_host_transfer(sda_host_t *, int, sda_err_t); /*PRINTFLIKE3*/ void sda_host_log(sda_host_t *, int, const char *, ...); #ifdef __cplusplus } #endif #endif /* _SYS_SDCARD_SDA_H */