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-rw-r--r--include/linux/mmc/card.h212
1 files changed, 212 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 6b7525099e56..6ad43554ac05 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -11,6 +11,7 @@
11#define LINUX_MMC_CARD_H 11#define LINUX_MMC_CARD_H
12 12
13#include <linux/mmc/core.h> 13#include <linux/mmc/core.h>
14#include <linux/mod_devicetable.h>
14 15
15struct mmc_cid { 16struct mmc_cid {
16 unsigned int manfid; 17 unsigned int manfid;
@@ -29,6 +30,7 @@ struct mmc_csd {
29 unsigned short cmdclass; 30 unsigned short cmdclass;
30 unsigned short tacc_clks; 31 unsigned short tacc_clks;
31 unsigned int tacc_ns; 32 unsigned int tacc_ns;
33 unsigned int c_size;
32 unsigned int r2w_factor; 34 unsigned int r2w_factor;
33 unsigned int max_dtr; 35 unsigned int max_dtr;
34 unsigned int erase_size; /* In sectors */ 36 unsigned int erase_size; /* In sectors */
@@ -45,21 +47,47 @@ struct mmc_ext_csd {
45 u8 rev; 47 u8 rev;
46 u8 erase_group_def; 48 u8 erase_group_def;
47 u8 sec_feature_support; 49 u8 sec_feature_support;
50 u8 rel_sectors;
51 u8 rel_param;
52 u8 part_config;
53 unsigned int part_time; /* Units: ms */
48 unsigned int sa_timeout; /* Units: 100ns */ 54 unsigned int sa_timeout; /* Units: 100ns */
49 unsigned int hs_max_dtr; 55 unsigned int hs_max_dtr;
50 unsigned int sectors; 56 unsigned int sectors;
57 unsigned int card_type;
51 unsigned int hc_erase_size; /* In sectors */ 58 unsigned int hc_erase_size; /* In sectors */
52 unsigned int hc_erase_timeout; /* In milliseconds */ 59 unsigned int hc_erase_timeout; /* In milliseconds */
53 unsigned int sec_trim_mult; /* Secure trim multiplier */ 60 unsigned int sec_trim_mult; /* Secure trim multiplier */
54 unsigned int sec_erase_mult; /* Secure erase multiplier */ 61 unsigned int sec_erase_mult; /* Secure erase multiplier */
55 unsigned int trim_timeout; /* In milliseconds */ 62 unsigned int trim_timeout; /* In milliseconds */
63 bool enhanced_area_en; /* enable bit */
64 unsigned long long enhanced_area_offset; /* Units: Byte */
65 unsigned int enhanced_area_size; /* Units: KB */
66 unsigned int boot_size; /* in bytes */
67 u8 raw_partition_support; /* 160 */
68 u8 raw_erased_mem_count; /* 181 */
69 u8 raw_ext_csd_structure; /* 194 */
70 u8 raw_card_type; /* 196 */
71 u8 raw_s_a_timeout; /* 217 */
72 u8 raw_hc_erase_gap_size; /* 221 */
73 u8 raw_erase_timeout_mult; /* 223 */
74 u8 raw_hc_erase_grp_size; /* 224 */
75 u8 raw_sec_trim_mult; /* 229 */
76 u8 raw_sec_erase_mult; /* 230 */
77 u8 raw_sec_feature_support;/* 231 */
78 u8 raw_trim_mult; /* 232 */
79 u8 raw_sectors[4]; /* 212 - 4 bytes */
56}; 80};
57 81
58struct sd_scr { 82struct sd_scr {
59 unsigned char sda_vsn; 83 unsigned char sda_vsn;
84 unsigned char sda_spec3;
60 unsigned char bus_widths; 85 unsigned char bus_widths;
61#define SD_SCR_BUS_WIDTH_1 (1<<0) 86#define SD_SCR_BUS_WIDTH_1 (1<<0)
62#define SD_SCR_BUS_WIDTH_4 (1<<2) 87#define SD_SCR_BUS_WIDTH_4 (1<<2)
88 unsigned char cmds;
89#define SD_SCR_CMD20_SUPPORT (1<<0)
90#define SD_SCR_CMD23_SUPPORT (1<<1)
63}; 91};
64 92
65struct sd_ssr { 93struct sd_ssr {
@@ -70,6 +98,39 @@ struct sd_ssr {
70 98
71struct sd_switch_caps { 99struct sd_switch_caps {
72 unsigned int hs_max_dtr; 100 unsigned int hs_max_dtr;
101 unsigned int uhs_max_dtr;
102#define UHS_SDR104_MAX_DTR 208000000
103#define UHS_SDR50_MAX_DTR 100000000
104#define UHS_DDR50_MAX_DTR 50000000
105#define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR
106#define UHS_SDR12_MAX_DTR 25000000
107 unsigned int sd3_bus_mode;
108#define UHS_SDR12_BUS_SPEED 0
109#define UHS_SDR25_BUS_SPEED 1
110#define UHS_SDR50_BUS_SPEED 2
111#define UHS_SDR104_BUS_SPEED 3
112#define UHS_DDR50_BUS_SPEED 4
113
114#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
115#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
116#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
117#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
118#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
119 unsigned int sd3_drv_type;
120#define SD_DRIVER_TYPE_B 0x01
121#define SD_DRIVER_TYPE_A 0x02
122#define SD_DRIVER_TYPE_C 0x04
123#define SD_DRIVER_TYPE_D 0x08
124 unsigned int sd3_curr_limit;
125#define SD_SET_CURRENT_LIMIT_200 0
126#define SD_SET_CURRENT_LIMIT_400 1
127#define SD_SET_CURRENT_LIMIT_600 2
128#define SD_SET_CURRENT_LIMIT_800 3
129
130#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
131#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
132#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
133#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
73}; 134};
74 135
75struct sdio_cccr { 136struct sdio_cccr {
@@ -113,12 +174,20 @@ struct mmc_card {
113#define MMC_STATE_READONLY (1<<1) /* card is read-only */ 174#define MMC_STATE_READONLY (1<<1) /* card is read-only */
114#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ 175#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
115#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ 176#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
177#define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */
178#define MMC_STATE_ULTRAHIGHSPEED (1<<5) /* card is in ultra high speed mode */
179#define MMC_CARD_SDXC (1<<6) /* card is SDXC */
116 unsigned int quirks; /* card quirks */ 180 unsigned int quirks; /* card quirks */
117#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ 181#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
118#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ 182#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
119 /* for byte mode */ 183 /* for byte mode */
120#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */ 184#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
121 /* (missing CIA registers) */ 185 /* (missing CIA registers) */
186#define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */
187#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */
188#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */
189#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
190#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
122 191
123 unsigned int erase_size; /* erase size in sectors */ 192 unsigned int erase_size; /* erase size in sectors */
124 unsigned int erase_shift; /* if erase unit is power 2 */ 193 unsigned int erase_shift; /* if erase unit is power 2 */
@@ -139,13 +208,101 @@ struct mmc_card {
139 struct sdio_cccr cccr; /* common card info */ 208 struct sdio_cccr cccr; /* common card info */
140 struct sdio_cis cis; /* common tuple info */ 209 struct sdio_cis cis; /* common tuple info */
141 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ 210 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
211 struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */
142 unsigned num_info; /* number of info strings */ 212 unsigned num_info; /* number of info strings */
143 const char **info; /* info strings */ 213 const char **info; /* info strings */
144 struct sdio_func_tuple *tuples; /* unknown common tuples */ 214 struct sdio_func_tuple *tuples; /* unknown common tuples */
145 215
216 unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
217
146 struct dentry *debugfs_root; 218 struct dentry *debugfs_root;
147}; 219};
148 220
221/*
222 * The world is not perfect and supplies us with broken mmc/sdio devices.
223 * For at least some of these bugs we need a work-around.
224 */
225
226struct mmc_fixup {
227 /* CID-specific fields. */
228 const char *name;
229
230 /* Valid revision range */
231 u64 rev_start, rev_end;
232
233 unsigned int manfid;
234 unsigned short oemid;
235
236 /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
237 u16 cis_vendor, cis_device;
238
239 void (*vendor_fixup)(struct mmc_card *card, int data);
240 int data;
241};
242
243#define CID_MANFID_ANY (-1u)
244#define CID_OEMID_ANY ((unsigned short) -1)
245#define CID_NAME_ANY (NULL)
246
247#define END_FIXUP { 0 }
248
249#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
250 _cis_vendor, _cis_device, \
251 _fixup, _data) \
252 { \
253 .name = (_name), \
254 .manfid = (_manfid), \
255 .oemid = (_oemid), \
256 .rev_start = (_rev_start), \
257 .rev_end = (_rev_end), \
258 .cis_vendor = (_cis_vendor), \
259 .cis_device = (_cis_device), \
260 .vendor_fixup = (_fixup), \
261 .data = (_data), \
262 }
263
264#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
265 _fixup, _data) \
266 _FIXUP_EXT(_name, _manfid, \
267 _oemid, _rev_start, _rev_end, \
268 SDIO_ANY_ID, SDIO_ANY_ID, \
269 _fixup, _data) \
270
271#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
272 MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
273
274#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
275 _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
276 CID_OEMID_ANY, 0, -1ull, \
277 _vendor, _device, \
278 _fixup, _data) \
279
280#define cid_rev(hwrev, fwrev, year, month) \
281 (((u64) hwrev) << 40 | \
282 ((u64) fwrev) << 32 | \
283 ((u64) year) << 16 | \
284 ((u64) month))
285
286#define cid_rev_card(card) \
287 cid_rev(card->cid.hwrev, \
288 card->cid.fwrev, \
289 card->cid.year, \
290 card->cid.month)
291
292/*
293 * Unconditionally quirk add/remove.
294 */
295
296static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
297{
298 card->quirks |= data;
299}
300
301static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
302{
303 card->quirks &= ~data;
304}
305
149#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC) 306#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
150#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD) 307#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
151#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO) 308#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
@@ -154,11 +311,51 @@ struct mmc_card {
154#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) 311#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
155#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) 312#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
156#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) 313#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
314#define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR)
315#define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
316#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
157 317
158#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) 318#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
159#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) 319#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
160#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) 320#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
161#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) 321#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
322#define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
323#define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
324#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
325
326/*
327 * Quirk add/remove for MMC products.
328 */
329
330static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
331{
332 if (mmc_card_mmc(card))
333 card->quirks |= data;
334}
335
336static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
337 int data)
338{
339 if (mmc_card_mmc(card))
340 card->quirks &= ~data;
341}
342
343/*
344 * Quirk add/remove for SD products.
345 */
346
347static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
348{
349 if (mmc_card_sd(card))
350 card->quirks |= data;
351}
352
353static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
354 int data)
355{
356 if (mmc_card_sd(card))
357 card->quirks &= ~data;
358}
162 359
163static inline int mmc_card_lenient_fn0(const struct mmc_card *c) 360static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
164{ 361{
@@ -170,9 +367,21 @@ static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
170 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; 367 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
171} 368}
172 369
370static inline int mmc_card_disable_cd(const struct mmc_card *c)
371{
372 return c->quirks & MMC_QUIRK_DISABLE_CD;
373}
374
375static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
376{
377 return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
378}
379
173#define mmc_card_name(c) ((c)->cid.prod_name) 380#define mmc_card_name(c) ((c)->cid.prod_name)
174#define mmc_card_id(c) (dev_name(&(c)->dev)) 381#define mmc_card_id(c) (dev_name(&(c)->dev))
175 382
383#define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
384
176#define mmc_list_to_card(l) container_of(l, struct mmc_card, node) 385#define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
177#define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev) 386#define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
178#define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d) 387#define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
@@ -191,4 +400,7 @@ struct mmc_driver {
191extern int mmc_register_driver(struct mmc_driver *); 400extern int mmc_register_driver(struct mmc_driver *);
192extern void mmc_unregister_driver(struct mmc_driver *); 401extern void mmc_unregister_driver(struct mmc_driver *);
193 402
403extern void mmc_fixup_device(struct mmc_card *card,
404 const struct mmc_fixup *table);
405
194#endif 406#endif