brintos

brintos / linux-shallow public Read only

0
0
Text · 16.8 KiB · cf2bcb5 Raw
449 lines · c
1/*2 * Header for MultiMediaCard (MMC)3 *4 * Copyright 2002 Hewlett-Packard Company5 *6 * Use consistent with the GNU GPL is permitted,7 * provided that this copyright notice is8 * preserved in its entirety in all copies and derived works.9 *10 * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS12 * FITNESS FOR ANY PARTICULAR PURPOSE.13 *14 * Many thanks to Alessandro Rubini and Jonathan Corbet!15 *16 * Based strongly on code by:17 *18 * Author: Yong-iL Joh <tolkien@mizi.com>19 *20 * Author:  Andrew Christian21 *          15 May 200222 */23 24#ifndef LINUX_MMC_MMC_H25#define LINUX_MMC_MMC_H26 27#include <linux/types.h>28 29/* Standard MMC commands (4.1)           type  argument     response */30   /* class 1 */31#define MMC_GO_IDLE_STATE         0   /* bc                          */32#define MMC_SEND_OP_COND          1   /* bcr  [31:0] OCR         R3  */33#define MMC_ALL_SEND_CID          2   /* bcr                     R2  */34#define MMC_SET_RELATIVE_ADDR     3   /* ac   [31:16] RCA        R1  */35#define MMC_SET_DSR               4   /* bc   [31:16] RCA            */36#define MMC_SLEEP_AWAKE		  5   /* ac   [31:16] RCA 15:flg R1b */37#define MMC_SWITCH                6   /* ac   [31:0] See below   R1b */38#define MMC_SELECT_CARD           7   /* ac   [31:16] RCA        R1  */39#define MMC_SEND_EXT_CSD          8   /* adtc                    R1  */40#define MMC_SEND_CSD              9   /* ac   [31:16] RCA        R2  */41#define MMC_SEND_CID             10   /* ac   [31:16] RCA        R2  */42#define MMC_READ_DAT_UNTIL_STOP  11   /* adtc [31:0] dadr        R1  */43#define MMC_STOP_TRANSMISSION    12   /* ac                      R1b */44#define MMC_SEND_STATUS          13   /* ac   [31:16] RCA        R1  */45#define MMC_BUS_TEST_R           14   /* adtc                    R1  */46#define MMC_GO_INACTIVE_STATE    15   /* ac   [31:16] RCA            */47#define MMC_BUS_TEST_W           19   /* adtc                    R1  */48#define MMC_SPI_READ_OCR         58   /* spi                  spi_R3 */49#define MMC_SPI_CRC_ON_OFF       59   /* spi  [0:0] flag      spi_R1 */50 51  /* class 2 */52#define MMC_SET_BLOCKLEN         16   /* ac   [31:0] block len   R1  */53#define MMC_READ_SINGLE_BLOCK    17   /* adtc [31:0] data addr   R1  */54#define MMC_READ_MULTIPLE_BLOCK  18   /* adtc [31:0] data addr   R1  */55#define MMC_SEND_TUNING_BLOCK    19   /* adtc                    R1  */56#define MMC_SEND_TUNING_BLOCK_HS200	21	/* adtc R1  */57 58  /* class 3 */59#define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1  */60 61  /* class 4 */62#define MMC_SET_BLOCK_COUNT      23   /* adtc [31:0] data addr   R1  */63#define MMC_WRITE_BLOCK          24   /* adtc [31:0] data addr   R1  */64#define MMC_WRITE_MULTIPLE_BLOCK 25   /* adtc                    R1  */65#define MMC_PROGRAM_CID          26   /* adtc                    R1  */66#define MMC_PROGRAM_CSD          27   /* adtc                    R1  */67 68  /* class 6 */69#define MMC_SET_WRITE_PROT       28   /* ac   [31:0] data addr   R1b */70#define MMC_CLR_WRITE_PROT       29   /* ac   [31:0] data addr   R1b */71#define MMC_SEND_WRITE_PROT      30   /* adtc [31:0] wpdata addr R1  */72 73  /* class 5 */74#define MMC_ERASE_GROUP_START    35   /* ac   [31:0] data addr   R1  */75#define MMC_ERASE_GROUP_END      36   /* ac   [31:0] data addr   R1  */76#define MMC_ERASE                38   /* ac                      R1b */77 78  /* class 9 */79#define MMC_FAST_IO              39   /* ac   <Complex>          R4  */80#define MMC_GO_IRQ_STATE         40   /* bcr                     R5  */81 82  /* class 7 */83#define MMC_LOCK_UNLOCK          42   /* adtc                    R1b */84 85  /* class 8 */86#define MMC_APP_CMD              55   /* ac   [31:16] RCA        R1  */87#define MMC_GEN_CMD              56   /* adtc [0] RD/WR          R1  */88 89  /* class 11 */90#define MMC_QUE_TASK_PARAMS      44   /* ac   [20:16] task id    R1  */91#define MMC_QUE_TASK_ADDR        45   /* ac   [31:0] data addr   R1  */92#define MMC_EXECUTE_READ_TASK    46   /* adtc [20:16] task id    R1  */93#define MMC_EXECUTE_WRITE_TASK   47   /* adtc [20:16] task id    R1  */94#define MMC_CMDQ_TASK_MGMT       48   /* ac   [20:16] task id    R1b */95 96static inline bool mmc_op_multi(u32 opcode)97{98	return opcode == MMC_WRITE_MULTIPLE_BLOCK ||99	       opcode == MMC_READ_MULTIPLE_BLOCK;100}101 102static inline bool mmc_op_tuning(u32 opcode)103{104	return opcode == MMC_SEND_TUNING_BLOCK ||105			opcode == MMC_SEND_TUNING_BLOCK_HS200;106}107 108/*109 * MMC_SWITCH argument format:110 *111 *	[31:26] Always 0112 *	[25:24] Access Mode113 *	[23:16] Location of target Byte in EXT_CSD114 *	[15:08] Value Byte115 *	[07:03] Always 0116 *	[02:00] Command Set117 */118 119/*120  MMC status in R1, for native mode (SPI bits are different)121  Type122	e : error bit123	s : status bit124	r : detected and set for the actual command response125	x : detected and set during command execution. the host must poll126            the card by sending status command in order to read these bits.127  Clear condition128	a : according to the card state129	b : always related to the previous command. Reception of130            a valid command will clear it (with a delay of one command)131	c : clear by read132 */133 134#define R1_OUT_OF_RANGE		(1 << 31)	/* er, c */135#define R1_ADDRESS_ERROR	(1 << 30)	/* erx, c */136#define R1_BLOCK_LEN_ERROR	(1 << 29)	/* er, c */137#define R1_ERASE_SEQ_ERROR      (1 << 28)	/* er, c */138#define R1_ERASE_PARAM		(1 << 27)	/* ex, c */139#define R1_WP_VIOLATION		(1 << 26)	/* erx, c */140#define R1_CARD_IS_LOCKED	(1 << 25)	/* sx, a */141#define R1_LOCK_UNLOCK_FAILED	(1 << 24)	/* erx, c */142#define R1_COM_CRC_ERROR	(1 << 23)	/* er, b */143#define R1_ILLEGAL_COMMAND	(1 << 22)	/* er, b */144#define R1_CARD_ECC_FAILED	(1 << 21)	/* ex, c */145#define R1_CC_ERROR		(1 << 20)	/* erx, c */146#define R1_ERROR		(1 << 19)	/* erx, c */147#define R1_UNDERRUN		(1 << 18)	/* ex, c */148#define R1_OVERRUN		(1 << 17)	/* ex, c */149#define R1_CID_CSD_OVERWRITE	(1 << 16)	/* erx, c, CID/CSD overwrite */150#define R1_WP_ERASE_SKIP	(1 << 15)	/* sx, c */151#define R1_CARD_ECC_DISABLED	(1 << 14)	/* sx, a */152#define R1_ERASE_RESET		(1 << 13)	/* sr, c */153#define R1_STATUS(x)            (x & 0xFFF9A000)154#define R1_CURRENT_STATE(x)	((x & 0x00001E00) >> 9)	/* sx, b (4 bits) */155#define R1_READY_FOR_DATA	(1 << 8)	/* sx, a */156#define R1_SWITCH_ERROR		(1 << 7)	/* sx, c */157#define R1_EXCEPTION_EVENT	(1 << 6)	/* sr, a */158#define R1_APP_CMD		(1 << 5)	/* sr, c */159 160#define R1_STATE_IDLE	0161#define R1_STATE_READY	1162#define R1_STATE_IDENT	2163#define R1_STATE_STBY	3164#define R1_STATE_TRAN	4165#define R1_STATE_DATA	5166#define R1_STATE_RCV	6167#define R1_STATE_PRG	7168#define R1_STATE_DIS	8169 170static inline bool mmc_ready_for_data(u32 status)171{172	/*173	 * Some cards mishandle the status bits, so make sure to check both the174	 * busy indication and the card state.175	 */176	return status & R1_READY_FOR_DATA &&177	       R1_CURRENT_STATE(status) == R1_STATE_TRAN;178}179 180/*181 * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS182 * R1 is the low order byte; R2 is the next highest byte, when present.183 */184#define R1_SPI_IDLE		(1 << 0)185#define R1_SPI_ERASE_RESET	(1 << 1)186#define R1_SPI_ILLEGAL_COMMAND	(1 << 2)187#define R1_SPI_COM_CRC		(1 << 3)188#define R1_SPI_ERASE_SEQ	(1 << 4)189#define R1_SPI_ADDRESS		(1 << 5)190#define R1_SPI_PARAMETER	(1 << 6)191/* R1 bit 7 is always zero */192#define R2_SPI_CARD_LOCKED	(1 << 8)193#define R2_SPI_WP_ERASE_SKIP	(1 << 9)	/* or lock/unlock fail */194#define R2_SPI_LOCK_UNLOCK_FAIL	R2_SPI_WP_ERASE_SKIP195#define R2_SPI_ERROR		(1 << 10)196#define R2_SPI_CC_ERROR		(1 << 11)197#define R2_SPI_CARD_ECC_ERROR	(1 << 12)198#define R2_SPI_WP_VIOLATION	(1 << 13)199#define R2_SPI_ERASE_PARAM	(1 << 14)200#define R2_SPI_OUT_OF_RANGE	(1 << 15)	/* or CSD overwrite */201#define R2_SPI_CSD_OVERWRITE	R2_SPI_OUT_OF_RANGE202 203/*204 * OCR bits are mostly in host.h205 */206#define MMC_CARD_BUSY	0x80000000	/* Card Power up status bit */207 208/*209 * Card Command Classes (CCC)210 */211#define CCC_BASIC		(1<<0)	/* (0) Basic protocol functions */212					/* (CMD0,1,2,3,4,7,9,10,12,13,15) */213					/* (and for SPI, CMD58,59) */214#define CCC_STREAM_READ		(1<<1)	/* (1) Stream read commands */215					/* (CMD11) */216#define CCC_BLOCK_READ		(1<<2)	/* (2) Block read commands */217					/* (CMD16,17,18) */218#define CCC_STREAM_WRITE	(1<<3)	/* (3) Stream write commands */219					/* (CMD20) */220#define CCC_BLOCK_WRITE		(1<<4)	/* (4) Block write commands */221					/* (CMD16,24,25,26,27) */222#define CCC_ERASE		(1<<5)	/* (5) Ability to erase blocks */223					/* (CMD32,33,34,35,36,37,38,39) */224#define CCC_WRITE_PROT		(1<<6)	/* (6) Able to write protect blocks */225					/* (CMD28,29,30) */226#define CCC_LOCK_CARD		(1<<7)	/* (7) Able to lock down card */227					/* (CMD16,CMD42) */228#define CCC_APP_SPEC		(1<<8)	/* (8) Application specific */229					/* (CMD55,56,57,ACMD*) */230#define CCC_IO_MODE		(1<<9)	/* (9) I/O mode */231					/* (CMD5,39,40,52,53) */232#define CCC_SWITCH		(1<<10)	/* (10) High speed switch */233					/* (CMD6,34,35,36,37,50) */234					/* (11) Reserved */235					/* (CMD?) */236 237/*238 * CSD field definitions239 */240 241#define CSD_STRUCT_VER_1_0  0           /* Valid for system specification 1.0 - 1.2 */242#define CSD_STRUCT_VER_1_1  1           /* Valid for system specification 1.4 - 2.2 */243#define CSD_STRUCT_VER_1_2  2           /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */244#define CSD_STRUCT_EXT_CSD  3           /* Version is coded in CSD_STRUCTURE in EXT_CSD */245 246#define CSD_SPEC_VER_0      0           /* Implements system specification 1.0 - 1.2 */247#define CSD_SPEC_VER_1      1           /* Implements system specification 1.4 */248#define CSD_SPEC_VER_2      2           /* Implements system specification 2.0 - 2.2 */249#define CSD_SPEC_VER_3      3           /* Implements system specification 3.1 - 3.2 - 3.31 */250#define CSD_SPEC_VER_4      4           /* Implements system specification 4.0 - 4.1 */251 252/*253 * EXT_CSD fields254 */255 256#define EXT_CSD_CMDQ_MODE_EN		15	/* R/W */257#define EXT_CSD_FLUSH_CACHE		32      /* W */258#define EXT_CSD_CACHE_CTRL		33      /* R/W */259#define EXT_CSD_POWER_OFF_NOTIFICATION	34	/* R/W */260#define EXT_CSD_EXP_EVENTS_STATUS	54	/* RO, 2 bytes */261#define EXT_CSD_EXP_EVENTS_CTRL		56	/* R/W, 2 bytes */262#define EXT_CSD_DATA_SECTOR_SIZE	61	/* R */263#define EXT_CSD_GP_SIZE_MULT		143	/* R/W */264#define EXT_CSD_PARTITION_SETTING_COMPLETED 155	/* R/W */265#define EXT_CSD_PARTITION_ATTRIBUTE	156	/* R/W */266#define EXT_CSD_PARTITION_SUPPORT	160	/* RO */267#define EXT_CSD_HPI_MGMT		161	/* R/W */268#define EXT_CSD_RST_N_FUNCTION		162	/* R/W */269#define EXT_CSD_BKOPS_EN		163	/* R/W */270#define EXT_CSD_BKOPS_START		164	/* W */271#define EXT_CSD_SANITIZE_START		165     /* W */272#define EXT_CSD_WR_REL_PARAM		166	/* RO */273#define EXT_CSD_RPMB_MULT		168	/* RO */274#define EXT_CSD_FW_CONFIG		169	/* R/W */275#define EXT_CSD_BOOT_WP			173	/* R/W */276#define EXT_CSD_ERASE_GROUP_DEF		175	/* R/W */277#define EXT_CSD_PART_CONFIG		179	/* R/W */278#define EXT_CSD_ERASED_MEM_CONT		181	/* RO */279#define EXT_CSD_BUS_WIDTH		183	/* R/W */280#define EXT_CSD_STROBE_SUPPORT		184	/* RO */281#define EXT_CSD_HS_TIMING		185	/* R/W */282#define EXT_CSD_POWER_CLASS		187	/* R/W */283#define EXT_CSD_REV			192	/* RO */284#define EXT_CSD_STRUCTURE		194	/* RO */285#define EXT_CSD_CARD_TYPE		196	/* RO */286#define EXT_CSD_DRIVER_STRENGTH		197	/* RO */287#define EXT_CSD_OUT_OF_INTERRUPT_TIME	198	/* RO */288#define EXT_CSD_PART_SWITCH_TIME        199     /* RO */289#define EXT_CSD_PWR_CL_52_195		200	/* RO */290#define EXT_CSD_PWR_CL_26_195		201	/* RO */291#define EXT_CSD_PWR_CL_52_360		202	/* RO */292#define EXT_CSD_PWR_CL_26_360		203	/* RO */293#define EXT_CSD_SEC_CNT			212	/* RO, 4 bytes */294#define EXT_CSD_S_A_TIMEOUT		217	/* RO */295#define EXT_CSD_REL_WR_SEC_C		222	/* RO */296#define EXT_CSD_HC_WP_GRP_SIZE		221	/* RO */297#define EXT_CSD_ERASE_TIMEOUT_MULT	223	/* RO */298#define EXT_CSD_HC_ERASE_GRP_SIZE	224	/* RO */299#define EXT_CSD_BOOT_MULT		226	/* RO */300#define EXT_CSD_SEC_TRIM_MULT		229	/* RO */301#define EXT_CSD_SEC_ERASE_MULT		230	/* RO */302#define EXT_CSD_SEC_FEATURE_SUPPORT	231	/* RO */303#define EXT_CSD_TRIM_MULT		232	/* RO */304#define EXT_CSD_PWR_CL_200_195		236	/* RO */305#define EXT_CSD_PWR_CL_200_360		237	/* RO */306#define EXT_CSD_PWR_CL_DDR_52_195	238	/* RO */307#define EXT_CSD_PWR_CL_DDR_52_360	239	/* RO */308#define EXT_CSD_BKOPS_STATUS		246	/* RO */309#define EXT_CSD_POWER_OFF_LONG_TIME	247	/* RO */310#define EXT_CSD_GENERIC_CMD6_TIME	248	/* RO */311#define EXT_CSD_CACHE_SIZE		249	/* RO, 4 bytes */312#define EXT_CSD_PWR_CL_DDR_200_360	253	/* RO */313#define EXT_CSD_FIRMWARE_VERSION	254	/* RO, 8 bytes */314#define EXT_CSD_PRE_EOL_INFO		267	/* RO */315#define EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_A	268	/* RO */316#define EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_B	269	/* RO */317#define EXT_CSD_CMDQ_DEPTH		307	/* RO */318#define EXT_CSD_CMDQ_SUPPORT		308	/* RO */319#define EXT_CSD_SUPPORTED_MODE		493	/* RO */320#define EXT_CSD_TAG_UNIT_SIZE		498	/* RO */321#define EXT_CSD_DATA_TAG_SUPPORT	499	/* RO */322#define EXT_CSD_BKOPS_SUPPORT		502	/* RO */323#define EXT_CSD_HPI_FEATURES		503	/* RO */324 325/*326 * EXT_CSD field definitions327 */328 329#define EXT_CSD_WR_REL_PARAM_EN		(1<<2)330#define EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR	(1<<4)331 332#define EXT_CSD_BOOT_WP_B_PWR_WP_DIS	(0x40)333#define EXT_CSD_BOOT_WP_B_PERM_WP_DIS	(0x10)334#define EXT_CSD_BOOT_WP_B_PERM_WP_EN	(0x04)335#define EXT_CSD_BOOT_WP_B_PWR_WP_EN	(0x01)336 337#define EXT_CSD_PART_CONFIG_ACC_MASK	(0x7)338#define EXT_CSD_PART_CONFIG_ACC_BOOT0	(0x1)339#define EXT_CSD_PART_CONFIG_ACC_RPMB	(0x3)340#define EXT_CSD_PART_CONFIG_ACC_GP0	(0x4)341 342#define EXT_CSD_PART_SETTING_COMPLETED	(0x1)343#define EXT_CSD_PART_SUPPORT_PART_EN	(0x1)344 345#define EXT_CSD_CMD_SET_NORMAL		(1<<0)346#define EXT_CSD_CMD_SET_SECURE		(1<<1)347#define EXT_CSD_CMD_SET_CPSECURE	(1<<2)348 349#define EXT_CSD_CARD_TYPE_HS_26	(1<<0)	/* Card can run at 26MHz */350#define EXT_CSD_CARD_TYPE_HS_52	(1<<1)	/* Card can run at 52MHz */351#define EXT_CSD_CARD_TYPE_HS	(EXT_CSD_CARD_TYPE_HS_26 | \352				 EXT_CSD_CARD_TYPE_HS_52)353#define EXT_CSD_CARD_TYPE_DDR_1_8V  (1<<2)   /* Card can run at 52MHz */354					     /* DDR mode @1.8V or 3V I/O */355#define EXT_CSD_CARD_TYPE_DDR_1_2V  (1<<3)   /* Card can run at 52MHz */356					     /* DDR mode @1.2V I/O */357#define EXT_CSD_CARD_TYPE_DDR_52       (EXT_CSD_CARD_TYPE_DDR_1_8V  \358					| EXT_CSD_CARD_TYPE_DDR_1_2V)359#define EXT_CSD_CARD_TYPE_HS200_1_8V	(1<<4)	/* Card can run at 200MHz */360#define EXT_CSD_CARD_TYPE_HS200_1_2V	(1<<5)	/* Card can run at 200MHz */361						/* SDR mode @1.2V I/O */362#define EXT_CSD_CARD_TYPE_HS200		(EXT_CSD_CARD_TYPE_HS200_1_8V | \363					 EXT_CSD_CARD_TYPE_HS200_1_2V)364#define EXT_CSD_CARD_TYPE_HS400_1_8V	(1<<6)	/* Card can run at 200MHz DDR, 1.8V */365#define EXT_CSD_CARD_TYPE_HS400_1_2V	(1<<7)	/* Card can run at 200MHz DDR, 1.2V */366#define EXT_CSD_CARD_TYPE_HS400		(EXT_CSD_CARD_TYPE_HS400_1_8V | \367					 EXT_CSD_CARD_TYPE_HS400_1_2V)368#define EXT_CSD_CARD_TYPE_HS400ES	(1<<8)	/* Card can run at HS400ES */369 370#define EXT_CSD_BUS_WIDTH_1	0	/* Card is in 1 bit mode */371#define EXT_CSD_BUS_WIDTH_4	1	/* Card is in 4 bit mode */372#define EXT_CSD_BUS_WIDTH_8	2	/* Card is in 8 bit mode */373#define EXT_CSD_DDR_BUS_WIDTH_4	5	/* Card is in 4 bit DDR mode */374#define EXT_CSD_DDR_BUS_WIDTH_8	6	/* Card is in 8 bit DDR mode */375#define EXT_CSD_BUS_WIDTH_STROBE BIT(7)	/* Enhanced strobe mode */376 377#define EXT_CSD_TIMING_BC	0	/* Backwards compatility */378#define EXT_CSD_TIMING_HS	1	/* High speed */379#define EXT_CSD_TIMING_HS200	2	/* HS200 */380#define EXT_CSD_TIMING_HS400	3	/* HS400 */381#define EXT_CSD_DRV_STR_SHIFT	4	/* Driver Strength shift */382 383#define EXT_CSD_SEC_ER_EN	BIT(0)384#define EXT_CSD_SEC_BD_BLK_EN	BIT(2)385#define EXT_CSD_SEC_GB_CL_EN	BIT(4)386#define EXT_CSD_SEC_SANITIZE	BIT(6)  /* v4.5 only */387 388#define EXT_CSD_RST_N_EN_MASK	0x3389#define EXT_CSD_RST_N_ENABLED	1	/* RST_n is enabled on card */390 391#define EXT_CSD_NO_POWER_NOTIFICATION	0392#define EXT_CSD_POWER_ON		1393#define EXT_CSD_POWER_OFF_SHORT		2394#define EXT_CSD_POWER_OFF_LONG		3395 396#define EXT_CSD_PWR_CL_8BIT_MASK	0xF0	/* 8 bit PWR CLS */397#define EXT_CSD_PWR_CL_4BIT_MASK	0x0F	/* 8 bit PWR CLS */398#define EXT_CSD_PWR_CL_8BIT_SHIFT	4399#define EXT_CSD_PWR_CL_4BIT_SHIFT	0400 401/*402 * EXCEPTION_EVENT_STATUS field403 */404#define EXT_CSD_URGENT_BKOPS		BIT(0)405#define EXT_CSD_DYNCAP_NEEDED		BIT(1)406#define EXT_CSD_SYSPOOL_EXHAUSTED	BIT(2)407 408/*409 * BKOPS status level410 */411#define EXT_CSD_BKOPS_LEVEL_2		0x2412 413/*414 * BKOPS modes415 */416#define EXT_CSD_MANUAL_BKOPS_MASK	0x01417#define EXT_CSD_AUTO_BKOPS_MASK		0x02418 419/*420 * Command Queue421 */422#define EXT_CSD_CMDQ_MODE_ENABLED	BIT(0)423#define EXT_CSD_CMDQ_DEPTH_MASK		GENMASK(4, 0)424#define EXT_CSD_CMDQ_SUPPORTED		BIT(0)425 426/*427 * MMC_SWITCH access modes428 */429#define MMC_SWITCH_MODE_CMD_SET		0x00	/* Change the command set */430#define MMC_SWITCH_MODE_SET_BITS	0x01	/* Set bits which are 1 in value */431#define MMC_SWITCH_MODE_CLEAR_BITS	0x02	/* Clear bits which are 1 in value */432#define MMC_SWITCH_MODE_WRITE_BYTE	0x03	/* Set target to value */433 434/*435 * Erase/trim/discard436 */437#define MMC_ERASE_ARG			0x00000000438#define MMC_SECURE_ERASE_ARG		0x80000000439#define MMC_TRIM_ARG			0x00000001440#define MMC_DISCARD_ARG			0x00000003441#define MMC_SECURE_TRIM1_ARG		0x80000001442#define MMC_SECURE_TRIM2_ARG		0x80008000443#define MMC_SECURE_ARGS			0x80000000444#define MMC_TRIM_OR_DISCARD_ARGS	0x00008003445 446#define mmc_driver_type_mask(n)		(1 << (n))447 448#endif /* LINUX_MMC_MMC_H */449