1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Private header for the mmc subsystem
4 *
5 * Copyright (C) 2016 Linaro Ltd
6 *
7 * Author: Ulf Hansson <ulf.hansson@linaro.org>
8 */
9
10 #ifndef _MMC_CORE_CARD_H
11 #define _MMC_CORE_CARD_H
12
13 #include <linux/mmc/card.h>
14
15 #define mmc_card_name(c) ((c)->cid.prod_name)
16 #define mmc_card_id(c) (dev_name(&(c)->dev))
17 #define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
18
19 /* Card states */
20 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
21 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
22 #define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */
23 #define MMC_CARD_SDXC (1<<3) /* card is SDXC */
24 #define MMC_CARD_REMOVED (1<<4) /* card has been removed */
25 #define MMC_STATE_SUSPENDED (1<<5) /* card is suspended */
26 #define MMC_CARD_SDUC (1<<6) /* card is SDUC */
27
28 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
29 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
30 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
31 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
32 #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED))
33 #define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED)
34 #define mmc_card_ult_capacity(c) ((c)->state & MMC_CARD_SDUC)
35
36 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
37 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
38 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
39 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
40 #define mmc_card_set_ult_capacity(c) ((c)->state |= MMC_CARD_SDUC)
41 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
42 #define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
43 #define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
44
45 /*
46 * The world is not perfect and supplies us with broken mmc/sdio devices.
47 * For at least some of these bugs we need a work-around.
48 */
49 struct mmc_fixup {
50 /* CID-specific fields. */
51 const char *name;
52
53 /* Valid revision range */
54 u64 rev_start, rev_end;
55
56 unsigned int manfid;
57 unsigned short oemid;
58
59 /* Manufacturing date */
60 unsigned short year;
61 unsigned char month;
62
63 /* SDIO-specific fields. You can use SDIO_ANY_ID here of course */
64 u16 cis_vendor, cis_device;
65
66 /* for MMC cards */
67 unsigned int ext_csd_rev;
68
69 /* Match against functions declared in device tree */
70 const char *of_compatible;
71
72 void (*vendor_fixup)(struct mmc_card *card, int data);
73 int data;
74 };
75
76 #define CID_MANFID_ANY (-1u)
77 #define CID_OEMID_ANY ((unsigned short) -1)
78 #define CID_YEAR_ANY ((unsigned short) -1)
79 #define CID_MONTH_ANY ((unsigned char) -1)
80 #define CID_NAME_ANY (NULL)
81
82 #define EXT_CSD_REV_ANY (-1u)
83
84 #define CID_MANFID_SANDISK 0x2
85 #define CID_MANFID_SANDISK_SD 0x3
86 #define CID_MANFID_ATP 0x9
87 #define CID_MANFID_TOSHIBA 0x11
88 #define CID_MANFID_GIGASTONE 0x12
89 #define CID_MANFID_MICRON 0x13
90 #define CID_MANFID_SAMSUNG 0x15
91 #define CID_MANFID_APACER 0x27
92 #define CID_MANFID_SWISSBIT 0x5D
93 #define CID_MANFID_KINGSTON 0x70
94 #define CID_MANFID_HYNIX 0x90
95 #define CID_MANFID_KINGSTON_SD 0x9F
96 #define CID_MANFID_NUMONYX 0xFE
97
98 #define END_FIXUP { NULL }
99
100 #define _FIXUP_EXT(_name, _manfid, _oemid, _year, _month, \
101 _rev_start, _rev_end, \
102 _cis_vendor, _cis_device, \
103 _fixup, _data, _ext_csd_rev) \
104 { \
105 .name = (_name), \
106 .manfid = (_manfid), \
107 .oemid = (_oemid), \
108 .year = (_year), \
109 .month = (_month), \
110 .rev_start = (_rev_start), \
111 .rev_end = (_rev_end), \
112 .cis_vendor = (_cis_vendor), \
113 .cis_device = (_cis_device), \
114 .vendor_fixup = (_fixup), \
115 .data = (_data), \
116 .ext_csd_rev = (_ext_csd_rev), \
117 }
118
119 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
120 _fixup, _data, _ext_csd_rev) \
121 _FIXUP_EXT(_name, _manfid, _oemid, CID_YEAR_ANY, CID_MONTH_ANY, \
122 _rev_start, _rev_end, \
123 SDIO_ANY_ID, SDIO_ANY_ID, \
124 _fixup, _data, _ext_csd_rev) \
125
126 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
127 MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \
128 EXT_CSD_REV_ANY)
129
130 #define MMC_FIXUP_EXT_CSD_REV(_name, _manfid, _oemid, _fixup, _data, \
131 _ext_csd_rev) \
132 MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \
133 _ext_csd_rev)
134
135 #define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
136 _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, CID_OEMID_ANY, \
137 CID_YEAR_ANY, CID_MONTH_ANY, \
138 0, -1ull, \
139 _vendor, _device, \
140 _fixup, _data, EXT_CSD_REV_ANY) \
141
142 #define SDIO_FIXUP_COMPATIBLE(_compatible, _fixup, _data) \
143 { \
144 .name = CID_NAME_ANY, \
145 .manfid = CID_MANFID_ANY, \
146 .oemid = CID_OEMID_ANY, \
147 .rev_start = 0, \
148 .rev_end = -1ull, \
149 .cis_vendor = SDIO_ANY_ID, \
150 .cis_device = SDIO_ANY_ID, \
151 .vendor_fixup = (_fixup), \
152 .data = (_data), \
153 .ext_csd_rev = EXT_CSD_REV_ANY, \
154 .of_compatible = _compatible, \
155 }
156
157 #define cid_rev(hwrev, fwrev, year, month) \
158 (((u64) hwrev) << 40 | \
159 ((u64) fwrev) << 32 | \
160 ((u64) year) << 16 | \
161 ((u64) month))
162
163 #define cid_rev_card(card) \
164 cid_rev(card->cid.hwrev, \
165 card->cid.fwrev, \
166 card->cid.year, \
167 card->cid.month)
168
169 /*
170 * Unconditionally quirk add/remove.
171 */
add_quirk(struct mmc_card * card,int data)172 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
173 {
174 card->quirks |= data;
175 }
176
remove_quirk(struct mmc_card * card,int data)177 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
178 {
179 card->quirks &= ~data;
180 }
181
add_limit_rate_quirk(struct mmc_card * card,int data)182 static inline void __maybe_unused add_limit_rate_quirk(struct mmc_card *card,
183 int data)
184 {
185 card->quirk_max_rate = data;
186 }
187
wl1251_quirk(struct mmc_card * card,int data)188 static inline void __maybe_unused wl1251_quirk(struct mmc_card *card,
189 int data)
190 {
191 /*
192 * We have TI wl1251 attached to this mmc. Pass this
193 * information to the SDIO core because it can't be
194 * probed by normal methods.
195 */
196
197 dev_info(card->host->parent, "found wl1251\n");
198 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
199 card->cccr.wide_bus = 1;
200 card->cis.vendor = 0x104c;
201 card->cis.device = 0x9066;
202 card->cis.blksize = 512;
203 card->cis.max_dtr = 24000000;
204 }
205
206 /*
207 * Quirk add/remove for MMC products.
208 */
add_quirk_mmc(struct mmc_card * card,int data)209 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
210 {
211 if (mmc_card_mmc(card))
212 card->quirks |= data;
213 }
214
remove_quirk_mmc(struct mmc_card * card,int data)215 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
216 int data)
217 {
218 if (mmc_card_mmc(card))
219 card->quirks &= ~data;
220 }
221
222 /*
223 * Quirk add/remove for SD products.
224 */
add_quirk_sd(struct mmc_card * card,int data)225 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
226 {
227 if (mmc_card_sd(card))
228 card->quirks |= data;
229 }
230
remove_quirk_sd(struct mmc_card * card,int data)231 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
232 int data)
233 {
234 if (mmc_card_sd(card))
235 card->quirks &= ~data;
236 }
237
mmc_card_lenient_fn0(const struct mmc_card * c)238 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
239 {
240 return c->quirks & MMC_QUIRK_LENIENT_FN0;
241 }
242
mmc_blksz_for_byte_mode(const struct mmc_card * c)243 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
244 {
245 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
246 }
247
mmc_card_disable_cd(const struct mmc_card * c)248 static inline int mmc_card_disable_cd(const struct mmc_card *c)
249 {
250 return c->quirks & MMC_QUIRK_DISABLE_CD;
251 }
252
mmc_card_nonstd_func_interface(const struct mmc_card * c)253 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
254 {
255 return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
256 }
257
mmc_card_broken_byte_mode_512(const struct mmc_card * c)258 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
259 {
260 return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
261 }
262
mmc_card_long_read_time(const struct mmc_card * c)263 static inline int mmc_card_long_read_time(const struct mmc_card *c)
264 {
265 return c->quirks & MMC_QUIRK_LONG_READ_TIME;
266 }
267
mmc_card_broken_irq_polling(const struct mmc_card * c)268 static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
269 {
270 return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
271 }
272
mmc_card_broken_hpi(const struct mmc_card * c)273 static inline int mmc_card_broken_hpi(const struct mmc_card *c)
274 {
275 return c->quirks & MMC_QUIRK_BROKEN_HPI;
276 }
277
mmc_card_broken_sd_discard(const struct mmc_card * c)278 static inline int mmc_card_broken_sd_discard(const struct mmc_card *c)
279 {
280 return c->quirks & MMC_QUIRK_BROKEN_SD_DISCARD;
281 }
282
mmc_card_broken_sd_cache(const struct mmc_card * c)283 static inline int mmc_card_broken_sd_cache(const struct mmc_card *c)
284 {
285 return c->quirks & MMC_QUIRK_BROKEN_SD_CACHE;
286 }
287
mmc_card_broken_cache_flush(const struct mmc_card * c)288 static inline int mmc_card_broken_cache_flush(const struct mmc_card *c)
289 {
290 return c->quirks & MMC_QUIRK_BROKEN_CACHE_FLUSH;
291 }
292
mmc_card_broken_sd_poweroff_notify(const struct mmc_card * c)293 static inline int mmc_card_broken_sd_poweroff_notify(const struct mmc_card *c)
294 {
295 return c->quirks & MMC_QUIRK_BROKEN_SD_POWEROFF_NOTIFY;
296 }
297
mmc_card_no_uhs_ddr50_tuning(const struct mmc_card * c)298 static inline int mmc_card_no_uhs_ddr50_tuning(const struct mmc_card *c)
299 {
300 return c->quirks & MMC_QUIRK_NO_UHS_DDR50_TUNING;
301 }
302
303 #endif
304