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linux-6.19.14/include/linux/mmc/mmc.h OBJECTIVE-C
  1/*
  2 * Header for MultiMediaCard (MMC)
  3 *
  4 * Copyright 2002 Hewlett-Packard Company
  5 *
  6 * Use consistent with the GNU GPL is permitted,
  7 * provided that this copyright notice is
  8 * 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 ITS
 12 * 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 Christian
 21 *          15 May 2002
 22 */
 23
 24#ifndef LINUX_MMC_MMC_H
 25#define LINUX_MMC_MMC_H
 26
 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 0
112 *	[25:24] Access Mode
113 *	[23:16] Location of target Byte in EXT_CSD
114 *	[15:08] Value Byte
115 *	[07:03] Always 0
116 *	[02:00] Command Set
117 */
118
119/*
120  MMC status in R1, for native mode (SPI bits are different)
121  Type
122	e : error bit
123	s : status bit
124	r : detected and set for the actual command response
125	x : detected and set during command execution. the host must poll
126            the card by sending status command in order to read these bits.
127  Clear condition
128	a : according to the card state
129	b : always related to the previous command. Reception of
130            a valid command will clear it (with a delay of one command)
131	c : clear by read
132 */
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	0
161#define R1_STATE_READY	1
162#define R1_STATE_IDENT	2
163#define R1_STATE_STBY	3
164#define R1_STATE_TRAN	4
165#define R1_STATE_DATA	5
166#define R1_STATE_RCV	6
167#define R1_STATE_PRG	7
168#define R1_STATE_DIS	8
169
170static inline bool mmc_ready_for_data(u32 status)
171{
172	/*
173	 * Some cards mishandle the status bits, so make sure to check both the
174	 * 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_STATUS
182 * 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_SKIP
195#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_RANGE
202
203/*
204 * OCR bits are mostly in host.h
205 */
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 definitions
239 */
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 fields
254 */
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 definitions
327 */
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	0x3
389#define EXT_CSD_RST_N_ENABLED	1	/* RST_n is enabled on card */
390
391#define EXT_CSD_NO_POWER_NOTIFICATION	0
392#define EXT_CSD_POWER_ON		1
393#define EXT_CSD_POWER_OFF_SHORT		2
394#define EXT_CSD_POWER_OFF_LONG		3
395
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	4
399#define EXT_CSD_PWR_CL_4BIT_SHIFT	0
400
401/*
402 * EXCEPTION_EVENT_STATUS field
403 */
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 level
410 */
411#define EXT_CSD_BKOPS_LEVEL_2		0x2
412
413/*
414 * BKOPS modes
415 */
416#define EXT_CSD_MANUAL_BKOPS_MASK	0x01
417#define EXT_CSD_AUTO_BKOPS_MASK		0x02
418
419/*
420 * Command Queue
421 */
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 modes
428 */
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/discard
436 */
437#define MMC_ERASE_ARG			0x00000000
438#define MMC_SECURE_ERASE_ARG		0x80000000
439#define MMC_TRIM_ARG			0x00000001
440#define MMC_DISCARD_ARG			0x00000003
441#define MMC_SECURE_TRIM1_ARG		0x80000001
442#define MMC_SECURE_TRIM2_ARG		0x80008000
443#define MMC_SECURE_ARGS			0x80000000
444#define MMC_TRIM_OR_DISCARD_ARGS	0x00008003
445
446#define mmc_driver_type_mask(n)		(1 << (n))
447
448#endif /* LINUX_MMC_MMC_H */
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