diff options
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 32 | ||||
| -rw-r--r-- | include/linux/mmc/core.h | 63 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 39 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 39 | ||||
| -rw-r--r-- | include/linux/mmc/sdio.h | 159 | ||||
| -rw-r--r-- | include/linux/mmc/sdio_func.h | 153 | ||||
| -rw-r--r-- | include/linux/mmc/sdio_ids.h | 23 |
7 files changed, 483 insertions, 25 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index badf702fcff4..0d508ac17d64 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -55,7 +55,28 @@ struct sd_switch_caps { unsigned int hs_max_dtr; }; +struct sdio_cccr { + unsigned int sdio_vsn; + unsigned int sd_vsn; + unsigned int multi_block:1, + low_speed:1, + wide_bus:1, + high_power:1, + high_speed:1; +}; + +struct sdio_cis { + unsigned short vendor; + unsigned short device; + unsigned short blksize; + unsigned int max_dtr; +}; + struct mmc_host; +struct sdio_func; +struct sdio_func_tuple; + +#define SDIO_MAX_FUNCS 7 /* * MMC device @@ -67,11 +88,13 @@ struct mmc_card { unsigned int type; /* card type */ #define MMC_TYPE_MMC 0 /* MMC card */ #define MMC_TYPE_SD 1 /* SD card */ +#define MMC_TYPE_SDIO 2 /* SDIO card */ unsigned int state; /* (our) card state */ #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ #define MMC_STATE_READONLY (1<<1) /* card is read-only */ #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ + u32 raw_cid[4]; /* raw card CID */ u32 raw_csd[4]; /* raw card CSD */ u32 raw_scr[2]; /* raw card SCR */ @@ -80,10 +103,19 @@ struct mmc_card { struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */ struct sd_scr scr; /* extra SD information */ struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ + + unsigned int sdio_funcs; /* number of SDIO functions */ + struct sdio_cccr cccr; /* common card info */ + struct sdio_cis cis; /* common tuple info */ + struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ + unsigned num_info; /* number of info strings */ + const char **info; /* info strings */ + struct sdio_func_tuple *tuples; /* unknown common tuples */ }; #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC) #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD) +#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO) #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 63a80ea61124..d0c3abed74c2 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -25,14 +25,20 @@ struct mmc_command { #define MMC_RSP_CRC (1 << 2) /* expect valid crc */ #define MMC_RSP_BUSY (1 << 3) /* card may send busy */ #define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ -#define MMC_CMD_MASK (3 << 5) /* command type */ + +#define MMC_CMD_MASK (3 << 5) /* non-SPI command type */ #define MMC_CMD_AC (0 << 5) #define MMC_CMD_ADTC (1 << 5) #define MMC_CMD_BC (2 << 5) #define MMC_CMD_BCR (3 << 5) +#define MMC_RSP_SPI_S1 (1 << 7) /* one status byte */ +#define MMC_RSP_SPI_S2 (1 << 8) /* second byte */ +#define MMC_RSP_SPI_B4 (1 << 9) /* four data bytes */ +#define MMC_RSP_SPI_BUSY (1 << 10) /* card may send busy */ + /* - * These are the response types, and correspond to valid bit + * These are the native response types, and correspond to valid bit * patterns of the above flags. One additional valid pattern * is all zeros, which means we don't expect a response. */ @@ -41,12 +47,30 @@ struct mmc_command { #define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY) #define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) #define MMC_RSP_R3 (MMC_RSP_PRESENT) +#define MMC_RSP_R4 (MMC_RSP_PRESENT) +#define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE)) /* + * These are the SPI response types for MMC, SD, and SDIO cards. + * Commands return R1, with maybe more info. Zero is an error type; + * callers must always provide the appropriate MMC_RSP_SPI_Rx flags. + */ +#define MMC_RSP_SPI_R1 (MMC_RSP_SPI_S1) +#define MMC_RSP_SPI_R1B (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY) +#define MMC_RSP_SPI_R2 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2) +#define MMC_RSP_SPI_R3 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4) +#define MMC_RSP_SPI_R4 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4) +#define MMC_RSP_SPI_R5 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2) +#define MMC_RSP_SPI_R7 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4) + +#define mmc_spi_resp_type(cmd) ((cmd)->flags & \ + (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY|MMC_RSP_SPI_S2|MMC_RSP_SPI_B4)) + +/* * These are the command types. */ #define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK) @@ -54,12 +78,19 @@ struct mmc_command { unsigned int retries; /* max number of retries */ unsigned int error; /* command error */ -#define MMC_ERR_NONE 0 -#define MMC_ERR_TIMEOUT 1 -#define MMC_ERR_BADCRC 2 -#define MMC_ERR_FIFO 3 -#define MMC_ERR_FAILED 4 -#define MMC_ERR_INVALID 5 +/* + * Standard errno values are used for errors, but some have specific + * meaning in the MMC layer: + * + * ETIMEDOUT Card took too long to respond + * EILSEQ Basic format problem with the received or sent data + * (e.g. CRC check failed, incorrect opcode in response + * or bad end bit) + * EINVAL Request cannot be performed because of restrictions + * in hardware and/or the driver + * ENOMEDIUM Host can determine that the slot is empty and is + * actively failing requests + */ struct mmc_data *data; /* data segment associated with cmd */ struct mmc_request *mrq; /* associated request */ @@ -76,7 +107,6 @@ struct mmc_data { #define MMC_DATA_WRITE (1 << 8) #define MMC_DATA_READ (1 << 9) #define MMC_DATA_STREAM (1 << 10) -#define MMC_DATA_MULTI (1 << 11) unsigned int bytes_xfered; @@ -104,9 +134,20 @@ extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, struct mmc_command *, int); -extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int); +extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *); -extern void mmc_claim_host(struct mmc_host *host); +extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort); extern void mmc_release_host(struct mmc_host *host); +/** + * mmc_claim_host - exclusively claim a host + * @host: mmc host to claim + * + * Claim a host for a set of operations. + */ +static inline void mmc_claim_host(struct mmc_host *host) +{ + __mmc_claim_host(host, NULL); +} + #endif diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index b1350dfd3e91..125eee1407ff 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -10,6 +10,8 @@ #ifndef LINUX_MMC_HOST_H #define LINUX_MMC_HOST_H +#include <linux/leds.h> + #include <linux/mmc/core.h> struct mmc_ios { @@ -51,6 +53,7 @@ struct mmc_host_ops { void (*request)(struct mmc_host *host, struct mmc_request *req); void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios); int (*get_ro)(struct mmc_host *host); + void (*enable_sdio_irq)(struct mmc_host *host, int enable); }; struct mmc_card; @@ -87,9 +90,10 @@ struct mmc_host { #define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ #define MMC_CAP_MULTIWRITE (1 << 1) /* Can accurately report bytes sent to card on error */ -#define MMC_CAP_BYTEBLOCK (1 << 2) /* Can do non-log2 block sizes */ -#define MMC_CAP_MMC_HIGHSPEED (1 << 3) /* Can do MMC high-speed timing */ -#define MMC_CAP_SD_HIGHSPEED (1 << 4) /* Can do SD high-speed timing */ +#define MMC_CAP_MMC_HIGHSPEED (1 << 2) /* Can do MMC high-speed timing */ +#define MMC_CAP_SD_HIGHSPEED (1 << 3) /* Can do SD high-speed timing */ +#define MMC_CAP_SDIO_IRQ (1 << 4) /* Can signal pending SDIO IRQs */ +#define MMC_CAP_SPI (1 << 5) /* Talks only SPI protocols */ /* host specific block data */ unsigned int max_seg_size; /* see blk_queue_max_segment_size */ @@ -106,6 +110,14 @@ struct mmc_host { struct mmc_ios ios; /* current io bus settings */ u32 ocr; /* the current OCR setting */ + /* group bitfields together to minimize padding */ + unsigned int use_spi_crc:1; + unsigned int claimed:1; /* host exclusively claimed */ + unsigned int bus_dead:1; /* bus has been released */ +#ifdef CONFIG_MMC_DEBUG + unsigned int removed:1; /* host is being removed */ +#endif + unsigned int mode; /* current card mode of host */ #define MMC_MODE_MMC 0 #define MMC_MODE_SD 1 @@ -113,16 +125,19 @@ struct mmc_host { struct mmc_card *card; /* device attached to this host */ wait_queue_head_t wq; - unsigned int claimed:1; /* host exclusively claimed */ struct delayed_work detect; -#ifdef CONFIG_MMC_DEBUG - unsigned int removed:1; /* host is being removed */ -#endif const struct mmc_bus_ops *bus_ops; /* current bus driver */ unsigned int bus_refs; /* reference counter */ - unsigned int bus_dead:1; /* bus has been released */ + + unsigned int sdio_irqs; + struct task_struct *sdio_irq_thread; + atomic_t sdio_irq_thread_abort; + +#ifdef CONFIG_LEDS_TRIGGERS + struct led_trigger *led; /* activity led */ +#endif unsigned long private[0] ____cacheline_aligned; }; @@ -137,6 +152,8 @@ static inline void *mmc_priv(struct mmc_host *host) return (void *)host->private; } +#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI) + #define mmc_dev(x) ((x)->parent) #define mmc_classdev(x) (&(x)->class_dev) #define mmc_hostname(x) ((x)->class_dev.bus_id) @@ -147,5 +164,11 @@ extern int mmc_resume_host(struct mmc_host *); extern void mmc_detect_change(struct mmc_host *, unsigned long delay); extern void mmc_request_done(struct mmc_host *, struct mmc_request *); +static inline void mmc_signal_sdio_irq(struct mmc_host *host) +{ + host->ops->enable_sdio_irq(host, 0); + wake_up_process(host->sdio_irq_thread); +} + #endif diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index e3ed9b95040e..4236fbf0b6fb 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -27,7 +27,7 @@ /* Standard MMC commands (4.1) type argument response */ /* class 1 */ -#define MMC_GO_IDLE_STATE 0 /* bc */ +#define MMC_GO_IDLE_STATE 0 /* bc */ #define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */ #define MMC_ALL_SEND_CID 2 /* bcr R2 */ #define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */ @@ -39,8 +39,10 @@ #define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */ #define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */ #define MMC_STOP_TRANSMISSION 12 /* ac R1b */ -#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */ +#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */ #define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */ +#define MMC_SPI_READ_OCR 58 /* spi spi_R3 */ +#define MMC_SPI_CRC_ON_OFF 59 /* spi [0:0] flag spi_R1 */ /* class 2 */ #define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */ @@ -90,15 +92,15 @@ */ /* - MMC status in R1 + MMC status in R1, for native mode (SPI bits are different) Type - e : error bit + e : error bit s : status bit r : detected and set for the actual command response x : detected and set during command execution. the host must poll the card by sending status command in order to read these bits. Clear condition - a : according to the card state + a : according to the card state b : always related to the previous command. Reception of a valid command will clear it (with a delay of one command) c : clear by read @@ -124,10 +126,33 @@ #define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */ #define R1_ERASE_RESET (1 << 13) /* sr, c */ #define R1_STATUS(x) (x & 0xFFFFE000) -#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ +#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ #define R1_READY_FOR_DATA (1 << 8) /* sx, a */ #define R1_APP_CMD (1 << 5) /* sr, c */ +/* + * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS + * R1 is the low order byte; R2 is the next highest byte, when present. + */ +#define R1_SPI_IDLE (1 << 0) +#define R1_SPI_ERASE_RESET (1 << 1) +#define R1_SPI_ILLEGAL_COMMAND (1 << 2) +#define R1_SPI_COM_CRC (1 << 3) +#define R1_SPI_ERASE_SEQ (1 << 4) +#define R1_SPI_ADDRESS (1 << 5) +#define R1_SPI_PARAMETER (1 << 6) +/* R1 bit 7 is always zero */ +#define R2_SPI_CARD_LOCKED (1 << 8) +#define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */ +#define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP +#define R2_SPI_ERROR (1 << 10) +#define R2_SPI_CC_ERROR (1 << 11) +#define R2_SPI_CARD_ECC_ERROR (1 << 12) +#define R2_SPI_WP_VIOLATION (1 << 13) +#define R2_SPI_ERASE_PARAM (1 << 14) +#define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */ +#define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE + /* These are unpacked versions of the actual responses */ struct _mmc_csd { @@ -182,6 +207,7 @@ struct _mmc_csd { */ #define CCC_BASIC (1<<0) /* (0) Basic protocol functions */ /* (CMD0,1,2,3,4,7,9,10,12,13,15) */ + /* (and for SPI, CMD58,59) */ #define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */ /* (CMD11) */ #define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */ @@ -227,6 +253,7 @@ struct _mmc_csd { #define EXT_CSD_BUS_WIDTH 183 /* R/W */ #define EXT_CSD_HS_TIMING 185 /* R/W */ #define EXT_CSD_CARD_TYPE 196 /* RO */ +#define EXT_CSD_REV 192 /* RO */ #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ /* diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h new file mode 100644 index 000000000000..47ba464f5170 --- /dev/null +++ b/include/linux/mmc/sdio.h @@ -0,0 +1,159 @@ +/* + * include/linux/mmc/sdio.h + * + * Copyright 2006-2007 Pierre Ossman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#ifndef MMC_SDIO_H +#define MMC_SDIO_H + +/* SDIO commands type argument response */ +#define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */ +#define SD_IO_RW_DIRECT 52 /* ac [31:0] See below R5 */ +#define SD_IO_RW_EXTENDED 53 /* adtc [31:0] See below R5 */ + +/* + * SD_IO_RW_DIRECT argument format: + * + * [31] R/W flag + * [30:28] Function number + * [27] RAW flag + * [25:9] Register address + * [7:0] Data + */ + +/* + * SD_IO_RW_EXTENDED argument format: + * + * [31] R/W flag + * [30:28] Function number + * [27] Block mode + * [26] Increment address + * [25:9] Register address + * [8:0] Byte/block count + */ + +/* + SDIO status in R5 + Type + e : error bit + s : status bit + r : detected and set for the actual command response + x : detected and set during command execution. the host must poll + the card by sending status command in order to read these bits. + Clear condition + a : according to the card state + b : always related to the previous command. Reception of + a valid command will clear it (with a delay of one command) + c : clear by read + */ + +#define R5_COM_CRC_ERROR (1 << 15) /* er, b */ +#define R5_ILLEGAL_COMMAND (1 << 14) /* er, b */ +#define R5_ERROR (1 << 11) /* erx, c */ +#define R5_FUNCTION_NUMBER (1 << 9) /* er, c */ +#define R5_OUT_OF_RANGE (1 << 8) /* er, c */ +#define R5_STATUS(x) (x & 0xCB00) +#define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) /* s, b */ + +/* + * Card Common Control Registers (CCCR) + */ + +#define SDIO_CCCR_CCCR 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_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_CCCR_SD 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_CCCR_IOEx 0x02 +#define SDIO_CCCR_IORx 0x03 + +#define SDIO_CCCR_IENx 0x04 /* Function/Master Interrupt Enable */ +#define SDIO_CCCR_INTx 0x05 /* Function Interrupt Pending */ + +#define SDIO_CCCR_ABORT 0x06 /* function abort/card reset */ + +#define SDIO_CCCR_IF 0x07 /* bus interface controls */ + +#define SDIO_BUS_WIDTH_1BIT 0x00 +#define SDIO_BUS_WIDTH_4BIT 0x02 + +#define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */ + +#define SDIO_CCCR_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_CCCR_CIS 0x09 /* common CIS pointer (3 bytes) */ + +/* Following 4 regs are valid only if SBS is set */ +#define SDIO_CCCR_SUSPEND 0x0c +#define SDIO_CCCR_SELx 0x0d +#define SDIO_CCCR_EXECx 0x0e +#define SDIO_CCCR_READYx 0x0f + +#define SDIO_CCCR_BLKSIZE 0x10 + +#define SDIO_CCCR_POWER 0x12 + +#define SDIO_POWER_SMPC 0x01 /* Supports Master Power Control */ +#define SDIO_POWER_EMPC 0x02 /* Enable Master Power Control */ + +#define SDIO_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_FBR_BASE(f) ((f) * 0x100) /* base of function f's FBRs */ + +#define SDIO_FBR_STD_IF 0x00 + +#define SDIO_FBR_SUPPORTS_CSA 0x40 /* supports Code Storage Area */ +#define SDIO_FBR_ENABLE_CSA 0x80 /* enable Code Storage Area */ + +#define SDIO_FBR_STD_IF_EXT 0x01 + +#define SDIO_FBR_POWER 0x02 + +#define SDIO_FBR_POWER_SPS 0x01 /* Supports Power Selection */ +#define SDIO_FBR_POWER_EPS 0x02 /* Enable (low) Power Selection */ + +#define SDIO_FBR_CIS 0x09 /* CIS pointer (3 bytes) */ + + +#define SDIO_FBR_CSA 0x0C /* CSA pointer (3 bytes) */ + +#define SDIO_FBR_CSA_DATA 0x0F + +#define SDIO_FBR_BLKSIZE 0x10 /* block size (2 bytes) */ + +#endif + diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h new file mode 100644 index 000000000000..b050f4d7b41f --- /dev/null +++ b/include/linux/mmc/sdio_func.h @@ -0,0 +1,153 @@ +/* + * include/linux/mmc/sdio_func.h + * + * Copyright 2007 Pierre Ossman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#ifndef MMC_SDIO_FUNC_H +#define MMC_SDIO_FUNC_H + +#include <linux/device.h> +#include <linux/mod_devicetable.h> + +struct mmc_card; +struct sdio_func; + +typedef void (sdio_irq_handler_t)(struct sdio_func *); + +/* + * SDIO function CIS tuple (unknown to the core) + */ +struct sdio_func_tuple { + struct sdio_func_tuple *next; + unsigned char code; + unsigned char size; + unsigned char data[0]; +}; + +/* + * SDIO function devices + */ +struct sdio_func { + struct mmc_card *card; /* the card this device belongs to */ + struct device dev; /* the device */ + sdio_irq_handler_t *irq_handler; /* IRQ callback */ + unsigned int num; /* function number */ + + unsigned char class; /* standard interface class */ + unsigned short vendor; /* vendor id */ + unsigned short device; /* device id */ + + unsigned max_blksize; /* maximum block size */ + unsigned cur_blksize; /* current block size */ + + unsigned int state; /* function state */ +#define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ + + u8 tmpbuf[4]; /* DMA:able scratch buffer */ + + unsigned num_info; /* number of info strings */ + const char **info; /* info strings */ + + struct sdio_func_tuple *tuples; +}; + +#define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT) + +#define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT) + +#define sdio_func_id(f) ((f)->dev.bus_id) + +#define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev) +#define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d) + +/* + * SDIO function device driver + */ +struct sdio_driver { + char *name; + const struct sdio_device_id *id_table; + + int (*probe)(struct sdio_func *, const struct sdio_device_id *); + void (*remove)(struct sdio_func *); + + struct device_driver drv; +}; + +/** + * SDIO_DEVICE - macro used to describe a specific SDIO device + * @vend: the 16 bit manufacturer code + * @dev: the 16 bit function id + * + * This macro is used to create a struct sdio_device_id that matches a + * specific device. The class field will be set to SDIO_ANY_ID. + */ +#define SDIO_DEVICE(vend,dev) \ + .class = SDIO_ANY_ID, \ + .vendor = (vend), .device = (dev) + +/** + * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class + * @dev_class: the 8 bit standard interface code + * + * This macro is used to create a struct sdio_device_id that matches a + * specific standard SDIO function type. The vendor and device fields will + * be set to SDIO_ANY_ID. + */ +#define SDIO_DEVICE_CLASS(dev_class) \ + .class = (dev_class), \ + .vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID + +extern int sdio_register_driver(struct sdio_driver *); +extern void sdio_unregister_driver(struct sdio_driver *); + +/* + * SDIO I/O operations + */ +extern void sdio_claim_host(struct sdio_func *func); +extern void sdio_release_host(struct sdio_func *func); + +extern int sdio_enable_func(struct sdio_func *func); +extern int sdio_disable_func(struct sdio_func *func); + +extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz); + +extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler); +extern int sdio_release_irq(struct sdio_func *func); + +extern unsigned char sdio_readb(struct sdio_func *func, + unsigned int addr, int *err_ret); +extern unsigned short sdio_readw(struct sdio_func *func, + unsigned int addr, int *err_ret); +extern unsigned long sdio_readl(struct sdio_func *func, + unsigned int addr, int *err_ret); + +extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst, + unsigned int addr, int count); +extern int sdio_readsb(struct sdio_func *func, void *dst, + unsigned int addr, int count); + +extern void sdio_writeb(struct sdio_func *func, unsigned char b, + unsigned int addr, int *err_ret); +extern void sdio_writew(struct sdio_func *func, unsigned short b, + unsigned int addr, int *err_ret); +extern void sdio_writel(struct sdio_func *func, unsigned long b, + unsigned int addr, int *err_ret); + +extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr, + void *src, int count); +extern int sdio_writesb(struct sdio_func *func, unsigned int addr, + void *src, int count); + +extern unsigned char sdio_f0_readb(struct sdio_func *func, + unsigned int addr, int *err_ret); +extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, + unsigned int addr, int *err_ret); + +#endif + diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h new file mode 100644 index 000000000000..09306d47ff5e --- /dev/null +++ b/include/linux/mmc/sdio_ids.h @@ -0,0 +1,23 @@ +/* + * SDIO Classes, Interface Types, Manufacturer IDs, etc. + */ + +#ifndef MMC_SDIO_IDS_H +#define MMC_SDIO_IDS_H + +/* + * Standard SDIO Function Interfaces + */ + +#define SDIO_CLASS_NONE 0x00 /* Not a SDIO standard interface */ +#define SDIO_CLASS_UART 0x01 /* standard UART interface */ +#define SDIO_CLASS_BT_A 0x02 /* Type-A BlueTooth std interface */ +#define SDIO_CLASS_BT_B 0x03 /* Type-B BlueTooth std interface */ +#define SDIO_CLASS_GPS 0x04 /* GPS standard interface */ +#define SDIO_CLASS_CAMERA 0x05 /* Camera standard interface */ +#define SDIO_CLASS_PHS 0x06 /* PHS standard interface */ +#define SDIO_CLASS_WLAN 0x07 /* WLAN interface */ +#define SDIO_CLASS_ATA 0x08 /* Embedded SDIO-ATA std interface */ + + +#endif |