diff options
Diffstat (limited to 'sys/dev/sdmmc/sdmmcvar.h')
| -rw-r--r-- | sys/dev/sdmmc/sdmmcvar.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/dev/sdmmc/sdmmcvar.h b/sys/dev/sdmmc/sdmmcvar.h new file mode 100644 index 00000000000..16ea091b88e --- /dev/null +++ b/sys/dev/sdmmc/sdmmcvar.h @@ -0,0 +1,127 @@ +/* $OpenBSD: sdmmcvar.h,v 1.1 2006/05/28 17:21:14 uwe Exp $ */ + +/* + * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _SDMMCVAR_H_ +#define _SDMMCVAR_H_ + +#include <sys/queue.h> +#include <dev/sdmmc/sdmmcchip.h> +#include <dev/sdmmc/sdmmcreg.h> + +struct sdmmc_csd { + int csdver; /* CSD structure format */ + int mmcver; /* MMC version (for CID format) */ + int capacity; /* total number of sectors */ + int sector_size; /* sector size in bytes */ + int read_bl_len; /* block length for reads */ + /* ... */ +}; + +struct sdmmc_cid { + int mid; /* manufacturer identification number */ + int oid; /* OEM/product identification number */ + char pnm[8]; /* product name (MMC v1 has the longest) */ + int rev; /* product revision */ + int psn; /* product serial number */ + int mdt; /* manufacturing date */ +}; + +struct sdmmc_command; + +typedef u_int32_t sdmmc_response[4]; +typedef void (*sdmmc_callback)(struct device *, struct sdmmc_command *); + +struct sdmmc_command { + u_int16_t c_opcode; /* SD or MMC command index */ + u_int32_t c_arg; /* SD/MMC command argument */ + sdmmc_response c_resp; /* response buffer */ + void *c_data; /* buffer to send or read into */ + int c_datalen; /* length of data buffer */ + int c_blklen; /* block length */ + int c_flags; /* see below */ +#define SCF_DONE 0x0001 /* command is finished */ +#define SCF_BUF_READY 0x0002 /* buffer ready int occurred */ +#define SCF_CMD_DONE 0x0004 /* cmd complete int occurred */ +#define SCF_XFR_DONE 0x0008 /* transfer complete int occurred */ +#define SCF_CMD_AC 0x0000 +#define SCF_CMD_ADTC 0x0010 +#define SCF_CMD_BC 0x0020 +#define SCF_CMD_BCR 0x0030 +#define SCF_CMD_READ 0x0040 /* read command (data expected) */ +#define SCF_RSP_BSY 0x0100 +#define SCF_RSP_136 0x0200 +#define SCF_RSP_CRC 0x0400 +#define SCF_RSP_IDX 0x0800 +#define SCF_RSP_PRESENT 0x1000 +/* response types */ +#define SCF_RSP_R0 0 /* none */ +#define SCF_RSP_R1 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX) +#define SCF_RSP_R2 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_136) +#define SCF_RSP_R3 (SCF_RSP_PRESENT) +#define SCF_RSP_R4 (SCF_RSP_PRESENT) +#define SCF_RSP_R6 (SCF_RSP_PRESENT|SCF_RSP_CRC) + sdmmc_callback c_done; /* callback function */ + int c_error; /* errno value on completion */ +}; + +struct sdmmc_card { + u_int16_t rca; + int flags; +#define SDMMCF_CARD_ERROR 0x0010 /* card in error state */ + sdmmc_response raw_cid; + struct sdmmc_cid cid; + struct sdmmc_csd csd; + SIMPLEQ_ENTRY(sdmmc_card) cs_list; +}; + +struct sdmmc_softc { + struct device sc_dev; /* base device */ +#define SDMMCDEVNAME(sc) ((sc)->sc_dev.dv_xname) + sdmmc_chipset_tag_t sct; /* host controller chipset tag */ + sdmmc_chipset_handle_t sch; /* host controller chipset handle */ + int sc_flags; +#define SMF_SD_MODE 0x0001 /* host in SD mode (MMC otherwise) */ +#define SMF_IO_MODE 0x0002 /* host in I/O mode (SD only) */ +#define SMF_MEM_MODE 0x0004 /* host in memory mode (SD or MMC) */ + SIMPLEQ_HEAD(, sdmmc_card) cs_head; + struct sdmmc_card *sc_card; /* selected card */ + void *sc_scsibus; /* SCSI bus emulation softc */ +}; + +#define IPL_SDMMC IPL_BIO +#define splsdmmc() splbio() + +void sdmmc_delay(u_int); +int sdmmc_set_bus_power(struct sdmmc_softc *, u_int32_t, u_int32_t); +int sdmmc_mmc_command(struct sdmmc_softc *, struct sdmmc_command *); +int sdmmc_app_command(struct sdmmc_softc *, struct sdmmc_command *); +void sdmmc_go_idle_state(struct sdmmc_softc *); +int sdmmc_select_card(struct sdmmc_softc *, struct sdmmc_card *); + +int sdmmc_io_enable(struct sdmmc_softc *); +void sdmmc_io_reset(struct sdmmc_softc *); +int sdmmc_io_send_op_cond(struct sdmmc_softc *, u_int32_t, u_int32_t *); + +int sdmmc_mem_enable(struct sdmmc_softc *); +int sdmmc_mem_init(struct sdmmc_softc *, struct sdmmc_card *); +int sdmmc_mem_read_block(struct sdmmc_softc *, struct sdmmc_card *, + int, u_char *, size_t); +int sdmmc_mem_write_block(struct sdmmc_softc *, struct sdmmc_card *, + int, u_char *, size_t); + +#endif |