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67351119 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
7a3e97b0 SY |
2 | /* |
3 | * Universal Flash Storage Host controller driver | |
3b1d0580 | 4 | * Copyright (C) 2011-2013 Samsung India Software Operations |
7a3e97b0 | 5 | * |
3b1d0580 VH |
6 | * Authors: |
7 | * Santosh Yaraganavi <santosh.sy@samsung.com> | |
8 | * Vinayak Holikatti <h.vinayak@samsung.com> | |
7a3e97b0 SY |
9 | */ |
10 | ||
11 | #ifndef _UFS_H | |
12 | #define _UFS_H | |
13 | ||
5a0b0cb9 SRT |
14 | #include <linux/mutex.h> |
15 | #include <linux/types.h> | |
a851b2bd | 16 | #include <uapi/scsi/scsi_bsg_ufs.h> |
5a0b0cb9 | 17 | |
220d17a6 | 18 | #define GENERAL_UPIU_REQUEST_SIZE (sizeof(struct utp_upiu_req)) |
d44a5f98 DR |
19 | #define QUERY_DESC_MAX_SIZE 255 |
20 | #define QUERY_DESC_MIN_SIZE 2 | |
b573d484 | 21 | #define QUERY_DESC_HDR_SIZE 2 |
68078d5c DR |
22 | #define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \ |
23 | (sizeof(struct utp_upiu_header))) | |
09a5a24f | 24 | #define UFS_SENSE_SIZE 18 |
7a3e97b0 SY |
25 | |
26 | #define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\ | |
5a0b0cb9 | 27 | cpu_to_be32((byte3 << 24) | (byte2 << 16) |\ |
7a3e97b0 | 28 | (byte1 << 8) | (byte0)) |
0ce147d4 SJ |
29 | /* |
30 | * UFS device may have standard LUs and LUN id could be from 0x00 to | |
31 | * 0x7F. Standard LUs use "Peripheral Device Addressing Format". | |
32 | * UFS device may also have the Well Known LUs (also referred as W-LU) | |
33 | * which again could be from 0x00 to 0x7F. For W-LUs, device only use | |
34 | * the "Extended Addressing Format" which means the W-LUNs would be | |
35 | * from 0xc100 (SCSI_W_LUN_BASE) onwards. | |
36 | * This means max. LUN number reported from UFS device could be 0xC17F. | |
37 | */ | |
38 | #define UFS_UPIU_MAX_UNIT_NUM_ID 0x7F | |
39 | #define UFS_MAX_LUNS (SCSI_W_LUN_BASE + UFS_UPIU_MAX_UNIT_NUM_ID) | |
40 | #define UFS_UPIU_WLUN_ID (1 << 7) | |
72fb690e | 41 | #define UFS_RPMB_UNIT 0xC4 |
da461cec | 42 | |
6f8d5a6a SC |
43 | /* WriteBooster buffer is available only for the logical unit from 0 to 7 */ |
44 | #define UFS_UPIU_MAX_WB_LUN_ID 8 | |
45 | ||
0ce147d4 SJ |
46 | /* Well known logical unit id in LUN field of UPIU */ |
47 | enum { | |
48 | UFS_UPIU_REPORT_LUNS_WLUN = 0x81, | |
49 | UFS_UPIU_UFS_DEVICE_WLUN = 0xD0, | |
50 | UFS_UPIU_BOOT_WLUN = 0xB0, | |
51 | UFS_UPIU_RPMB_WLUN = 0xC4, | |
52 | }; | |
53 | ||
7a3e97b0 SY |
54 | /* |
55 | * UFS Protocol Information Unit related definitions | |
56 | */ | |
57 | ||
58 | /* Task management functions */ | |
59 | enum { | |
60 | UFS_ABORT_TASK = 0x01, | |
61 | UFS_ABORT_TASK_SET = 0x02, | |
62 | UFS_CLEAR_TASK_SET = 0x04, | |
63 | UFS_LOGICAL_RESET = 0x08, | |
64 | UFS_QUERY_TASK = 0x80, | |
65 | UFS_QUERY_TASK_SET = 0x81, | |
66 | }; | |
67 | ||
68 | /* UTP UPIU Transaction Codes Initiator to Target */ | |
69 | enum { | |
70 | UPIU_TRANSACTION_NOP_OUT = 0x00, | |
71 | UPIU_TRANSACTION_COMMAND = 0x01, | |
72 | UPIU_TRANSACTION_DATA_OUT = 0x02, | |
73 | UPIU_TRANSACTION_TASK_REQ = 0x04, | |
68078d5c | 74 | UPIU_TRANSACTION_QUERY_REQ = 0x16, |
7a3e97b0 SY |
75 | }; |
76 | ||
77 | /* UTP UPIU Transaction Codes Target to Initiator */ | |
78 | enum { | |
79 | UPIU_TRANSACTION_NOP_IN = 0x20, | |
80 | UPIU_TRANSACTION_RESPONSE = 0x21, | |
81 | UPIU_TRANSACTION_DATA_IN = 0x22, | |
82 | UPIU_TRANSACTION_TASK_RSP = 0x24, | |
83 | UPIU_TRANSACTION_READY_XFER = 0x31, | |
84 | UPIU_TRANSACTION_QUERY_RSP = 0x36, | |
5a0b0cb9 | 85 | UPIU_TRANSACTION_REJECT_UPIU = 0x3F, |
7a3e97b0 SY |
86 | }; |
87 | ||
88 | /* UPIU Read/Write flags */ | |
89 | enum { | |
90 | UPIU_CMD_FLAGS_NONE = 0x00, | |
91 | UPIU_CMD_FLAGS_WRITE = 0x20, | |
92 | UPIU_CMD_FLAGS_READ = 0x40, | |
93 | }; | |
94 | ||
95 | /* UPIU Task Attributes */ | |
96 | enum { | |
97 | UPIU_TASK_ATTR_SIMPLE = 0x00, | |
98 | UPIU_TASK_ATTR_ORDERED = 0x01, | |
99 | UPIU_TASK_ATTR_HEADQ = 0x02, | |
100 | UPIU_TASK_ATTR_ACA = 0x03, | |
101 | }; | |
102 | ||
68078d5c | 103 | /* UPIU Query request function */ |
7a3e97b0 | 104 | enum { |
68078d5c DR |
105 | UPIU_QUERY_FUNC_STANDARD_READ_REQUEST = 0x01, |
106 | UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST = 0x81, | |
107 | }; | |
108 | ||
109 | /* Flag idn for Query Requests*/ | |
110 | enum flag_idn { | |
d10b2a8e SN |
111 | QUERY_FLAG_IDN_FDEVICEINIT = 0x01, |
112 | QUERY_FLAG_IDN_PERMANENT_WPE = 0x02, | |
113 | QUERY_FLAG_IDN_PWR_ON_WPE = 0x03, | |
114 | QUERY_FLAG_IDN_BKOPS_EN = 0x04, | |
115 | QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE = 0x05, | |
116 | QUERY_FLAG_IDN_PURGE_ENABLE = 0x06, | |
117 | QUERY_FLAG_IDN_RESERVED2 = 0x07, | |
118 | QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08, | |
119 | QUERY_FLAG_IDN_BUSY_RTC = 0x09, | |
120 | QUERY_FLAG_IDN_RESERVED3 = 0x0A, | |
121 | QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE = 0x0B, | |
3d17b9b5 AD |
122 | QUERY_FLAG_IDN_WB_EN = 0x0E, |
123 | QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, | |
124 | QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, | |
66ec6d59 SRT |
125 | }; |
126 | ||
127 | /* Attribute idn for Query requests */ | |
128 | enum attr_idn { | |
ec92b59c SN |
129 | QUERY_ATTR_IDN_BOOT_LU_EN = 0x00, |
130 | QUERY_ATTR_IDN_RESERVED = 0x01, | |
131 | QUERY_ATTR_IDN_POWER_MODE = 0x02, | |
132 | QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03, | |
133 | QUERY_ATTR_IDN_OOO_DATA_EN = 0x04, | |
134 | QUERY_ATTR_IDN_BKOPS_STATUS = 0x05, | |
135 | QUERY_ATTR_IDN_PURGE_STATUS = 0x06, | |
136 | QUERY_ATTR_IDN_MAX_DATA_IN = 0x07, | |
137 | QUERY_ATTR_IDN_MAX_DATA_OUT = 0x08, | |
138 | QUERY_ATTR_IDN_DYN_CAP_NEEDED = 0x09, | |
139 | QUERY_ATTR_IDN_REF_CLK_FREQ = 0x0A, | |
140 | QUERY_ATTR_IDN_CONF_DESC_LOCK = 0x0B, | |
141 | QUERY_ATTR_IDN_MAX_NUM_OF_RTT = 0x0C, | |
142 | QUERY_ATTR_IDN_EE_CONTROL = 0x0D, | |
143 | QUERY_ATTR_IDN_EE_STATUS = 0x0E, | |
144 | QUERY_ATTR_IDN_SECONDS_PASSED = 0x0F, | |
145 | QUERY_ATTR_IDN_CNTX_CONF = 0x10, | |
146 | QUERY_ATTR_IDN_CORR_PRG_BLK_NUM = 0x11, | |
147 | QUERY_ATTR_IDN_RESERVED2 = 0x12, | |
148 | QUERY_ATTR_IDN_RESERVED3 = 0x13, | |
149 | QUERY_ATTR_IDN_FFU_STATUS = 0x14, | |
150 | QUERY_ATTR_IDN_PSA_STATE = 0x15, | |
151 | QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, | |
09f17791 | 152 | QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, |
3d17b9b5 AD |
153 | QUERY_ATTR_IDN_WB_FLUSH_STATUS = 0x1C, |
154 | QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE = 0x1D, | |
155 | QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E, | |
156 | QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F, | |
66ec6d59 SRT |
157 | }; |
158 | ||
d44a5f98 DR |
159 | /* Descriptor idn for Query requests */ |
160 | enum desc_idn { | |
161 | QUERY_DESC_IDN_DEVICE = 0x0, | |
a4b0e8a4 | 162 | QUERY_DESC_IDN_CONFIGURATION = 0x1, |
d44a5f98 DR |
163 | QUERY_DESC_IDN_UNIT = 0x2, |
164 | QUERY_DESC_IDN_RFU_0 = 0x3, | |
165 | QUERY_DESC_IDN_INTERCONNECT = 0x4, | |
166 | QUERY_DESC_IDN_STRING = 0x5, | |
167 | QUERY_DESC_IDN_RFU_1 = 0x6, | |
168 | QUERY_DESC_IDN_GEOMETRY = 0x7, | |
169 | QUERY_DESC_IDN_POWER = 0x8, | |
c648c2d2 | 170 | QUERY_DESC_IDN_HEALTH = 0x9, |
da461cec SJ |
171 | QUERY_DESC_IDN_MAX, |
172 | }; | |
173 | ||
174 | enum desc_header_offset { | |
175 | QUERY_DESC_LENGTH_OFFSET = 0x00, | |
176 | QUERY_DESC_DESC_TYPE_OFFSET = 0x01, | |
177 | }; | |
178 | ||
1b3e8956 DR |
179 | /* Unit descriptor parameters offsets in bytes*/ |
180 | enum unit_desc_param { | |
181 | UNIT_DESC_PARAM_LEN = 0x0, | |
182 | UNIT_DESC_PARAM_TYPE = 0x1, | |
183 | UNIT_DESC_PARAM_UNIT_INDEX = 0x2, | |
184 | UNIT_DESC_PARAM_LU_ENABLE = 0x3, | |
185 | UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4, | |
186 | UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5, | |
187 | UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6, | |
d829fc8a | 188 | UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7, |
1b3e8956 DR |
189 | UNIT_DESC_PARAM_MEM_TYPE = 0x8, |
190 | UNIT_DESC_PARAM_DATA_RELIABILITY = 0x9, | |
191 | UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA, | |
192 | UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB, | |
193 | UNIT_DESC_PARAM_ERASE_BLK_SIZE = 0x13, | |
194 | UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17, | |
195 | UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18, | |
196 | UNIT_DESC_PARAM_CTX_CAPABILITIES = 0x20, | |
197 | UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22, | |
3d17b9b5 | 198 | UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29, |
1b3e8956 DR |
199 | }; |
200 | ||
c58ab7aa YG |
201 | /* Device descriptor parameters offsets in bytes*/ |
202 | enum device_desc_param { | |
203 | DEVICE_DESC_PARAM_LEN = 0x0, | |
204 | DEVICE_DESC_PARAM_TYPE = 0x1, | |
205 | DEVICE_DESC_PARAM_DEVICE_TYPE = 0x2, | |
206 | DEVICE_DESC_PARAM_DEVICE_CLASS = 0x3, | |
207 | DEVICE_DESC_PARAM_DEVICE_SUB_CLASS = 0x4, | |
208 | DEVICE_DESC_PARAM_PRTCL = 0x5, | |
209 | DEVICE_DESC_PARAM_NUM_LU = 0x6, | |
210 | DEVICE_DESC_PARAM_NUM_WLU = 0x7, | |
211 | DEVICE_DESC_PARAM_BOOT_ENBL = 0x8, | |
212 | DEVICE_DESC_PARAM_DESC_ACCSS_ENBL = 0x9, | |
213 | DEVICE_DESC_PARAM_INIT_PWR_MODE = 0xA, | |
214 | DEVICE_DESC_PARAM_HIGH_PR_LUN = 0xB, | |
215 | DEVICE_DESC_PARAM_SEC_RMV_TYPE = 0xC, | |
216 | DEVICE_DESC_PARAM_SEC_LU = 0xD, | |
217 | DEVICE_DESC_PARAM_BKOP_TERM_LT = 0xE, | |
218 | DEVICE_DESC_PARAM_ACTVE_ICC_LVL = 0xF, | |
219 | DEVICE_DESC_PARAM_SPEC_VER = 0x10, | |
220 | DEVICE_DESC_PARAM_MANF_DATE = 0x12, | |
221 | DEVICE_DESC_PARAM_MANF_NAME = 0x14, | |
222 | DEVICE_DESC_PARAM_PRDCT_NAME = 0x15, | |
223 | DEVICE_DESC_PARAM_SN = 0x16, | |
224 | DEVICE_DESC_PARAM_OEM_ID = 0x17, | |
225 | DEVICE_DESC_PARAM_MANF_ID = 0x18, | |
226 | DEVICE_DESC_PARAM_UD_OFFSET = 0x1A, | |
227 | DEVICE_DESC_PARAM_UD_LEN = 0x1B, | |
228 | DEVICE_DESC_PARAM_RTT_CAP = 0x1C, | |
229 | DEVICE_DESC_PARAM_FRQ_RTC = 0x1D, | |
45bced87 SN |
230 | DEVICE_DESC_PARAM_UFS_FEAT = 0x1F, |
231 | DEVICE_DESC_PARAM_FFU_TMT = 0x20, | |
232 | DEVICE_DESC_PARAM_Q_DPTH = 0x21, | |
233 | DEVICE_DESC_PARAM_DEV_VER = 0x22, | |
234 | DEVICE_DESC_PARAM_NUM_SEC_WPA = 0x24, | |
235 | DEVICE_DESC_PARAM_PSA_MAX_DATA = 0x25, | |
236 | DEVICE_DESC_PARAM_PSA_TMT = 0x29, | |
237 | DEVICE_DESC_PARAM_PRDCT_REV = 0x2A, | |
3d17b9b5 AD |
238 | DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP = 0x4F, |
239 | DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN = 0x53, | |
240 | DEVICE_DESC_PARAM_WB_TYPE = 0x54, | |
241 | DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS = 0x55, | |
c58ab7aa YG |
242 | }; |
243 | ||
8c2582bf SN |
244 | /* Interconnect descriptor parameters offsets in bytes*/ |
245 | enum interconnect_desc_param { | |
246 | INTERCONNECT_DESC_PARAM_LEN = 0x0, | |
247 | INTERCONNECT_DESC_PARAM_TYPE = 0x1, | |
248 | INTERCONNECT_DESC_PARAM_UNIPRO_VER = 0x2, | |
249 | INTERCONNECT_DESC_PARAM_MPHY_VER = 0x4, | |
250 | }; | |
251 | ||
c720c091 SN |
252 | /* Geometry descriptor parameters offsets in bytes*/ |
253 | enum geometry_desc_param { | |
254 | GEOMETRY_DESC_PARAM_LEN = 0x0, | |
255 | GEOMETRY_DESC_PARAM_TYPE = 0x1, | |
256 | GEOMETRY_DESC_PARAM_DEV_CAP = 0x4, | |
257 | GEOMETRY_DESC_PARAM_MAX_NUM_LUN = 0xC, | |
258 | GEOMETRY_DESC_PARAM_SEG_SIZE = 0xD, | |
259 | GEOMETRY_DESC_PARAM_ALLOC_UNIT_SIZE = 0x11, | |
260 | GEOMETRY_DESC_PARAM_MIN_BLK_SIZE = 0x12, | |
261 | GEOMETRY_DESC_PARAM_OPT_RD_BLK_SIZE = 0x13, | |
262 | GEOMETRY_DESC_PARAM_OPT_WR_BLK_SIZE = 0x14, | |
263 | GEOMETRY_DESC_PARAM_MAX_IN_BUF_SIZE = 0x15, | |
264 | GEOMETRY_DESC_PARAM_MAX_OUT_BUF_SIZE = 0x16, | |
265 | GEOMETRY_DESC_PARAM_RPMB_RW_SIZE = 0x17, | |
266 | GEOMETRY_DESC_PARAM_DYN_CAP_RSRC_PLC = 0x18, | |
267 | GEOMETRY_DESC_PARAM_DATA_ORDER = 0x19, | |
268 | GEOMETRY_DESC_PARAM_MAX_NUM_CTX = 0x1A, | |
269 | GEOMETRY_DESC_PARAM_TAG_UNIT_SIZE = 0x1B, | |
270 | GEOMETRY_DESC_PARAM_TAG_RSRC_SIZE = 0x1C, | |
271 | GEOMETRY_DESC_PARAM_SEC_RM_TYPES = 0x1D, | |
272 | GEOMETRY_DESC_PARAM_MEM_TYPES = 0x1E, | |
273 | GEOMETRY_DESC_PARAM_SCM_MAX_NUM_UNITS = 0x20, | |
274 | GEOMETRY_DESC_PARAM_SCM_CAP_ADJ_FCTR = 0x24, | |
275 | GEOMETRY_DESC_PARAM_NPM_MAX_NUM_UNITS = 0x26, | |
276 | GEOMETRY_DESC_PARAM_NPM_CAP_ADJ_FCTR = 0x2A, | |
277 | GEOMETRY_DESC_PARAM_ENM1_MAX_NUM_UNITS = 0x2C, | |
278 | GEOMETRY_DESC_PARAM_ENM1_CAP_ADJ_FCTR = 0x30, | |
279 | GEOMETRY_DESC_PARAM_ENM2_MAX_NUM_UNITS = 0x32, | |
280 | GEOMETRY_DESC_PARAM_ENM2_CAP_ADJ_FCTR = 0x36, | |
281 | GEOMETRY_DESC_PARAM_ENM3_MAX_NUM_UNITS = 0x38, | |
282 | GEOMETRY_DESC_PARAM_ENM3_CAP_ADJ_FCTR = 0x3C, | |
283 | GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS = 0x3E, | |
284 | GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR = 0x42, | |
285 | GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE = 0x44, | |
c14e7adf AD |
286 | GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS = 0x4F, |
287 | GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS = 0x53, | |
288 | GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ = 0x54, | |
289 | GEOMETRY_DESC_PARAM_WB_SUP_RED_TYPE = 0x55, | |
290 | GEOMETRY_DESC_PARAM_WB_SUP_WB_TYPE = 0x56, | |
c720c091 SN |
291 | }; |
292 | ||
c648c2d2 SN |
293 | /* Health descriptor parameters offsets in bytes*/ |
294 | enum health_desc_param { | |
295 | HEALTH_DESC_PARAM_LEN = 0x0, | |
296 | HEALTH_DESC_PARAM_TYPE = 0x1, | |
297 | HEALTH_DESC_PARAM_EOL_INFO = 0x2, | |
298 | HEALTH_DESC_PARAM_LIFE_TIME_EST_A = 0x3, | |
299 | HEALTH_DESC_PARAM_LIFE_TIME_EST_B = 0x4, | |
300 | }; | |
301 | ||
6f8d5a6a SC |
302 | /* WriteBooster buffer mode */ |
303 | enum { | |
304 | WB_BUF_MODE_LU_DEDICATED = 0x0, | |
305 | WB_BUF_MODE_SHARED = 0x1, | |
306 | }; | |
307 | ||
57d104c1 SJ |
308 | /* |
309 | * Logical Unit Write Protect | |
310 | * 00h: LU not write protected | |
311 | * 01h: LU write protected when fPowerOnWPEn =1 | |
312 | * 02h: LU permanently write protected when fPermanentWPEn =1 | |
313 | */ | |
314 | enum ufs_lu_wp_type { | |
315 | UFS_LU_NO_WP = 0x00, | |
316 | UFS_LU_POWER_ON_WP = 0x01, | |
317 | UFS_LU_PERM_WP = 0x02, | |
318 | }; | |
319 | ||
3a4bf06d YG |
320 | /* bActiveICCLevel parameter current units */ |
321 | enum { | |
322 | UFSHCD_NANO_AMP = 0, | |
323 | UFSHCD_MICRO_AMP = 1, | |
324 | UFSHCD_MILI_AMP = 2, | |
325 | UFSHCD_AMP = 3, | |
326 | }; | |
327 | ||
3d17b9b5 AD |
328 | /* Possible values for dExtendedUFSFeaturesSupport */ |
329 | enum { | |
330 | UFS_DEV_WRITE_BOOSTER_SUP = BIT(8), | |
331 | }; | |
332 | ||
3a4bf06d YG |
333 | #define POWER_DESC_MAX_SIZE 0x62 |
334 | #define POWER_DESC_MAX_ACTV_ICC_LVLS 16 | |
335 | ||
336 | /* Attribute bActiveICCLevel parameter bit masks definitions */ | |
337 | #define ATTR_ICC_LVL_UNIT_OFFSET 14 | |
338 | #define ATTR_ICC_LVL_UNIT_MASK (0x3 << ATTR_ICC_LVL_UNIT_OFFSET) | |
339 | #define ATTR_ICC_LVL_VALUE_MASK 0x3FF | |
340 | ||
341 | /* Power descriptor parameters offsets in bytes */ | |
342 | enum power_desc_param_offset { | |
343 | PWR_DESC_LEN = 0x0, | |
344 | PWR_DESC_TYPE = 0x1, | |
345 | PWR_DESC_ACTIVE_LVLS_VCC_0 = 0x2, | |
346 | PWR_DESC_ACTIVE_LVLS_VCCQ_0 = 0x22, | |
347 | PWR_DESC_ACTIVE_LVLS_VCCQ2_0 = 0x42, | |
348 | }; | |
349 | ||
66ec6d59 SRT |
350 | /* Exception event mask values */ |
351 | enum { | |
352 | MASK_EE_STATUS = 0xFFFF, | |
353 | MASK_EE_URGENT_BKOPS = (1 << 2), | |
354 | }; | |
355 | ||
356 | /* Background operation status */ | |
57d104c1 | 357 | enum bkops_status { |
66ec6d59 SRT |
358 | BKOPS_STATUS_NO_OP = 0x0, |
359 | BKOPS_STATUS_NON_CRITICAL = 0x1, | |
360 | BKOPS_STATUS_PERF_IMPACT = 0x2, | |
361 | BKOPS_STATUS_CRITICAL = 0x3, | |
57d104c1 | 362 | BKOPS_STATUS_MAX = BKOPS_STATUS_CRITICAL, |
68078d5c DR |
363 | }; |
364 | ||
365 | /* UTP QUERY Transaction Specific Fields OpCode */ | |
366 | enum query_opcode { | |
7a3e97b0 SY |
367 | UPIU_QUERY_OPCODE_NOP = 0x0, |
368 | UPIU_QUERY_OPCODE_READ_DESC = 0x1, | |
369 | UPIU_QUERY_OPCODE_WRITE_DESC = 0x2, | |
370 | UPIU_QUERY_OPCODE_READ_ATTR = 0x3, | |
371 | UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4, | |
372 | UPIU_QUERY_OPCODE_READ_FLAG = 0x5, | |
373 | UPIU_QUERY_OPCODE_SET_FLAG = 0x6, | |
374 | UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7, | |
375 | UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8, | |
376 | }; | |
377 | ||
9e1e8a75 SJ |
378 | /* bRefClkFreq attribute values */ |
379 | enum ufs_ref_clk_freq { | |
380 | REF_CLK_FREQ_19_2_MHZ = 0, | |
381 | REF_CLK_FREQ_26_MHZ = 1, | |
382 | REF_CLK_FREQ_38_4_MHZ = 2, | |
383 | REF_CLK_FREQ_52_MHZ = 3, | |
384 | REF_CLK_FREQ_INVAL = -1, | |
385 | }; | |
386 | ||
387 | struct ufs_ref_clk { | |
388 | unsigned long freq_hz; | |
389 | enum ufs_ref_clk_freq val; | |
390 | }; | |
391 | ||
68078d5c DR |
392 | /* Query response result code */ |
393 | enum { | |
394 | QUERY_RESULT_SUCCESS = 0x00, | |
395 | QUERY_RESULT_NOT_READABLE = 0xF6, | |
396 | QUERY_RESULT_NOT_WRITEABLE = 0xF7, | |
397 | QUERY_RESULT_ALREADY_WRITTEN = 0xF8, | |
398 | QUERY_RESULT_INVALID_LENGTH = 0xF9, | |
399 | QUERY_RESULT_INVALID_VALUE = 0xFA, | |
400 | QUERY_RESULT_INVALID_SELECTOR = 0xFB, | |
401 | QUERY_RESULT_INVALID_INDEX = 0xFC, | |
402 | QUERY_RESULT_INVALID_IDN = 0xFD, | |
403 | QUERY_RESULT_INVALID_OPCODE = 0xFE, | |
404 | QUERY_RESULT_GENERAL_FAILURE = 0xFF, | |
405 | }; | |
406 | ||
7a3e97b0 SY |
407 | /* UTP Transfer Request Command Type (CT) */ |
408 | enum { | |
409 | UPIU_COMMAND_SET_TYPE_SCSI = 0x0, | |
410 | UPIU_COMMAND_SET_TYPE_UFS = 0x1, | |
411 | UPIU_COMMAND_SET_TYPE_QUERY = 0x2, | |
412 | }; | |
413 | ||
5a0b0cb9 SRT |
414 | /* UTP Transfer Request Command Offset */ |
415 | #define UPIU_COMMAND_TYPE_OFFSET 28 | |
416 | ||
417 | /* Offset of the response code in the UPIU header */ | |
418 | #define UPIU_RSP_CODE_OFFSET 8 | |
419 | ||
7a3e97b0 | 420 | enum { |
68078d5c DR |
421 | MASK_SCSI_STATUS = 0xFF, |
422 | MASK_TASK_RESPONSE = 0xFF00, | |
423 | MASK_RSP_UPIU_RESULT = 0xFFFF, | |
424 | MASK_QUERY_DATA_SEG_LEN = 0xFFFF, | |
1c2623c5 | 425 | MASK_RSP_UPIU_DATA_SEG_LEN = 0xFFFF, |
66ec6d59 | 426 | MASK_RSP_EXCEPTION_EVENT = 0x10000, |
8794ee0c | 427 | MASK_TM_SERVICE_RESP = 0xFF, |
5e0a86ee | 428 | MASK_TM_FUNC = 0xFF, |
7a3e97b0 SY |
429 | }; |
430 | ||
431 | /* Task management service response */ | |
432 | enum { | |
433 | UPIU_TASK_MANAGEMENT_FUNC_COMPL = 0x00, | |
434 | UPIU_TASK_MANAGEMENT_FUNC_NOT_SUPPORTED = 0x04, | |
435 | UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED = 0x08, | |
436 | UPIU_TASK_MANAGEMENT_FUNC_FAILED = 0x05, | |
437 | UPIU_INCORRECT_LOGICAL_UNIT_NO = 0x09, | |
438 | }; | |
57d104c1 SJ |
439 | |
440 | /* UFS device power modes */ | |
441 | enum ufs_dev_pwr_mode { | |
442 | UFS_ACTIVE_PWR_MODE = 1, | |
443 | UFS_SLEEP_PWR_MODE = 2, | |
444 | UFS_POWERDOWN_PWR_MODE = 3, | |
fe1d4c2e | 445 | UFS_DEEPSLEEP_PWR_MODE = 4, |
57d104c1 SJ |
446 | }; |
447 | ||
d14734ae | 448 | #define UFS_WB_BUF_REMAIN_PERCENT(val) ((val) / 10) |
3d17b9b5 | 449 | |
5a0b0cb9 SRT |
450 | /** |
451 | * struct utp_cmd_rsp - Response UPIU structure | |
7a3e97b0 SY |
452 | * @residual_transfer_count: Residual transfer count DW-3 |
453 | * @reserved: Reserved double words DW-4 to DW-7 | |
454 | * @sense_data_len: Sense data length DW-8 U16 | |
455 | * @sense_data: Sense data field DW-8 to DW-12 | |
456 | */ | |
5a0b0cb9 | 457 | struct utp_cmd_rsp { |
e8c8e82a SRT |
458 | __be32 residual_transfer_count; |
459 | __be32 reserved[4]; | |
460 | __be16 sense_data_len; | |
09a5a24f | 461 | u8 sense_data[UFS_SENSE_SIZE]; |
7a3e97b0 SY |
462 | }; |
463 | ||
5a0b0cb9 SRT |
464 | /** |
465 | * struct utp_upiu_rsp - general upiu response structure | |
466 | * @header: UPIU header structure DW-0 to DW-2 | |
467 | * @sr: fields structure for scsi command DW-3 to DW-12 | |
68078d5c | 468 | * @qr: fields structure for query request DW-3 to DW-7 |
5a0b0cb9 SRT |
469 | */ |
470 | struct utp_upiu_rsp { | |
471 | struct utp_upiu_header header; | |
68078d5c DR |
472 | union { |
473 | struct utp_cmd_rsp sr; | |
474 | struct utp_upiu_query qr; | |
475 | }; | |
5a0b0cb9 SRT |
476 | }; |
477 | ||
68078d5c DR |
478 | /** |
479 | * struct ufs_query_req - parameters for building a query request | |
480 | * @query_func: UPIU header query function | |
481 | * @upiu_req: the query request data | |
482 | */ | |
483 | struct ufs_query_req { | |
484 | u8 query_func; | |
485 | struct utp_upiu_query upiu_req; | |
486 | }; | |
487 | ||
488 | /** | |
489 | * struct ufs_query_resp - UPIU QUERY | |
490 | * @response: device response code | |
491 | * @upiu_res: query response data | |
492 | */ | |
493 | struct ufs_query_res { | |
494 | u8 response; | |
495 | struct utp_upiu_query upiu_res; | |
496 | }; | |
497 | ||
aa497613 SRT |
498 | #define UFS_VREG_VCC_MIN_UV 2700000 /* uV */ |
499 | #define UFS_VREG_VCC_MAX_UV 3600000 /* uV */ | |
500 | #define UFS_VREG_VCC_1P8_MIN_UV 1700000 /* uV */ | |
501 | #define UFS_VREG_VCC_1P8_MAX_UV 1950000 /* uV */ | |
a7ef6f02 CG |
502 | #define UFS_VREG_VCCQ_MIN_UV 1140000 /* uV */ |
503 | #define UFS_VREG_VCCQ_MAX_UV 1260000 /* uV */ | |
504 | #define UFS_VREG_VCCQ2_MIN_UV 1700000 /* uV */ | |
aa497613 SRT |
505 | #define UFS_VREG_VCCQ2_MAX_UV 1950000 /* uV */ |
506 | ||
57d104c1 SJ |
507 | /* |
508 | * VCCQ & VCCQ2 current requirement when UFS device is in sleep state | |
509 | * and link is in Hibern8 state. | |
510 | */ | |
511 | #define UFS_VREG_LPM_LOAD_UA 1000 /* uA */ | |
512 | ||
aa497613 SRT |
513 | struct ufs_vreg { |
514 | struct regulator *reg; | |
515 | const char *name; | |
516 | bool enabled; | |
517 | int min_uV; | |
518 | int max_uV; | |
aa497613 SRT |
519 | int max_uA; |
520 | }; | |
521 | ||
522 | struct ufs_vreg_info { | |
523 | struct ufs_vreg *vcc; | |
524 | struct ufs_vreg *vccq; | |
525 | struct ufs_vreg *vccq2; | |
6a771a65 | 526 | struct ufs_vreg *vdd_hba; |
aa497613 SRT |
527 | }; |
528 | ||
57d104c1 SJ |
529 | struct ufs_dev_info { |
530 | bool f_power_on_wp_en; | |
531 | /* Keeps information if any of the LU is power on write protected */ | |
532 | bool is_lu_power_on_wp; | |
731f0621 BH |
533 | /* Maximum number of general LU supported by the UFS device */ |
534 | u8 max_lu_supported; | |
6f8d5a6a | 535 | u8 wb_dedicated_lu; |
93fdd5ac | 536 | u16 wmanufacturerid; |
09750066 | 537 | /*UFS device Product Name */ |
4b828fe1 | 538 | u8 *model; |
09f17791 CG |
539 | u16 wspecversion; |
540 | u32 clk_gating_wait_us; | |
3d17b9b5 AD |
541 | u32 d_ext_ufs_feature_sup; |
542 | u8 b_wb_buffer_type; | |
543 | u32 d_wb_alloc_units; | |
51dd905b | 544 | bool b_rpm_dev_flush_capable; |
3d17b9b5 | 545 | u8 b_presrv_uspc_en; |
93fdd5ac TW |
546 | }; |
547 | ||
d829fc8a SN |
548 | /** |
549 | * ufs_is_valid_unit_desc_lun - checks if the given LUN has a unit descriptor | |
1baa8011 | 550 | * @dev_info: pointer of instance of struct ufs_dev_info |
d829fc8a SN |
551 | * @lun: LU number to check |
552 | * @return: true if the lun has a matching unit descriptor, false otherwise | |
553 | */ | |
1baa8011 BH |
554 | static inline bool ufs_is_valid_unit_desc_lun(struct ufs_dev_info *dev_info, |
555 | u8 lun) | |
d829fc8a | 556 | { |
1baa8011 | 557 | if (!dev_info || !dev_info->max_lu_supported) { |
e0a51425 | 558 | pr_err("Max General LU supported by UFS isn't initialized\n"); |
1baa8011 BH |
559 | return false; |
560 | } | |
561 | ||
562 | return lun == UFS_UPIU_RPMB_WLUN || (lun < dev_info->max_lu_supported); | |
d829fc8a SN |
563 | } |
564 | ||
7a3e97b0 | 565 | #endif /* End of Header */ |