Lines Matching refs:card
17 #include <linux/mmc/card.h>
60 static int mmc_decode_cid(struct mmc_card *card)
62 u32 *resp = card->raw_cid;
68 switch (card->csd.mmca_vsn) {
71 card->cid.manfid = UNSTUFF_BITS(resp, 104, 24);
72 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
73 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8);
74 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8);
75 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8);
76 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8);
77 card->cid.prod_name[5] = UNSTUFF_BITS(resp, 56, 8);
78 card->cid.prod_name[6] = UNSTUFF_BITS(resp, 48, 8);
79 card->cid.hwrev = UNSTUFF_BITS(resp, 44, 4);
80 card->cid.fwrev = UNSTUFF_BITS(resp, 40, 4);
81 card->cid.serial = UNSTUFF_BITS(resp, 16, 24);
82 card->cid.month = UNSTUFF_BITS(resp, 12, 4);
83 card->cid.year = UNSTUFF_BITS(resp, 8, 4) + 1997;
89 card->cid.manfid = UNSTUFF_BITS(resp, 120, 8);
90 card->cid.oemid = UNSTUFF_BITS(resp, 104, 16);
91 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
92 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8);
93 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8);
94 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8);
95 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8);
96 card->cid.prod_name[5] = UNSTUFF_BITS(resp, 56, 8);
97 card->cid.serial = UNSTUFF_BITS(resp, 16, 32);
98 card->cid.month = UNSTUFF_BITS(resp, 12, 4);
99 card->cid.year = UNSTUFF_BITS(resp, 8, 4) + 1997;
103 printk(KERN_ERR "%s: card has unknown MMCA version %d\n",
104 mmc_hostname(card->host), card->csd.mmca_vsn);
111 static void mmc_set_erase_size(struct mmc_card *card)
113 if (card->ext_csd.erase_group_def & 1)
114 card->erase_size = card->ext_csd.hc_erase_size;
116 card->erase_size = card->csd.erase_size;
118 mmc_init_erase(card);
122 * Given a 128-bit response, decode to our card CSD structure.
124 static int mmc_decode_csd(struct mmc_card *card)
126 struct mmc_csd *csd = &card->csd;
128 u32 *resp = card->raw_csd;
138 mmc_hostname(card->host), csd->structure);
178 static int mmc_read_ext_csd(struct mmc_card *card)
183 BUG_ON(!card);
185 if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
195 "receive the ext_csd.\n", mmc_hostname(card->host));
199 err = mmc_send_ext_csd(card, ext_csd);
201 /* If the host or the card can't do the switch,
212 if (card->csd.capacity == (4096 * 512)) {
214 "on a possible high capacity card. "
216 mmc_hostname(card->host));
221 mmc_hostname(card->host));
229 if (card->csd.structure == 3) {
233 "version %d\n", mmc_hostname(card->host),
240 card->ext_csd.rev = ext_csd[EXT_CSD_REV];
241 if (card->ext_csd.rev > 5) {
243 mmc_hostname(card->host), card->ext_csd.rev);
248 if (card->ext_csd.rev >= 2) {
249 card->ext_csd.sectors =
256 if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512)
257 mmc_card_set_blockaddr(card);
262 card->ext_csd.hs_max_dtr = 52000000;
265 card->ext_csd.hs_max_dtr = 26000000;
269 printk(KERN_WARNING "%s: card is mmc v4 but doesn't "
271 mmc_hostname(card->host));
274 if (card->ext_csd.rev >= 3) {
279 card->ext_csd.sa_timeout =
281 card->ext_csd.erase_group_def =
283 card->ext_csd.hc_erase_timeout = 300 *
285 card->ext_csd.hc_erase_size =
289 if (card->ext_csd.rev >= 4) {
290 card->ext_csd.sec_trim_mult =
292 card->ext_csd.sec_erase_mult =
294 card->ext_csd.sec_feature_support =
296 card->ext_csd.trim_timeout = 300 *
301 card->erased_byte = 0xFF;
303 card->erased_byte = 0x0;
311 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
312 card->raw_cid[2], card->raw_cid[3]);
313 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
314 card->raw_csd[2], card->raw_csd[3]);
315 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
316 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
317 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
318 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
319 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
320 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
321 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
322 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
323 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
354 * Handle the detection and initialisation of a card.
356 * In the case of a resume, "oldcard" will contain the card
362 struct mmc_card *card;
393 * Fetch CID from card.
408 card = oldcard;
411 * Allocate card structure.
413 card = mmc_alloc_card(host, &mmc_type);
414 if (IS_ERR(card)) {
415 err = PTR_ERR(card);
419 card->type = MMC_TYPE_MMC;
420 card->rca = 1;
421 memcpy(card->raw_cid, cid, sizeof(card->raw_cid));
425 * For native busses: set card RCA and quit open drain mode.
428 err = mmc_set_relative_addr(card);
437 * Fetch CSD from card.
439 err = mmc_send_csd(card, card->raw_csd);
443 err = mmc_decode_csd(card);
446 err = mmc_decode_cid(card);
452 * Select card, as all following commands rely on that.
455 err = mmc_select_card(card);
464 err = mmc_read_ext_csd(card);
468 mmc_set_erase_size(card);
474 if ((card->ext_csd.hs_max_dtr != 0) &&
476 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
483 mmc_hostname(card->host));
486 mmc_card_set_highspeed(card);
487 mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
496 if (mmc_card_highspeed(card)) {
497 if (max_dtr > card->ext_csd.hs_max_dtr)
498 max_dtr = card->ext_csd.hs_max_dtr;
499 } else if (max_dtr > card->csd.max_dtr) {
500 max_dtr = card->csd.max_dtr;
508 if ((card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
520 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
528 "failed\n", mmc_hostname(card->host),
532 mmc_set_bus_width(card->host, bus_width);
537 host->card = card;
543 mmc_remove_card(card);
550 * Host is being removed. Free up the current card.
555 BUG_ON(!host->card);
557 mmc_remove_card(host->card);
558 host->card = NULL;
569 BUG_ON(!host->card);
574 * Just check if our card has been removed.
576 err = mmc_send_status(host->card, NULL);
595 BUG_ON(!host->card);
600 host->card->state &= ~MMC_STATE_HIGHSPEED;
609 * This function tries to determine if the same card is still present
617 BUG_ON(!host->card);
620 err = mmc_init_card(host, host->ocr, host->card);
628 host->card->state &= ~MMC_STATE_HIGHSPEED;
630 mmc_init_card(host, host->ocr, host->card);
636 struct mmc_card *card = host->card;
639 if (card && card->ext_csd.rev >= 3) {
642 pr_debug("%s: Error %d while putting card into sleep",
651 struct mmc_card *card = host->card;
654 if (card && card->ext_csd.rev >= 3) {
657 pr_debug("%s: Error %d while awaking sleeping card",
696 * Starting point for MMC card init.
717 * Sanity check the voltages that the card claims to
721 printk(KERN_WARNING "%s: card claims to support voltages "
730 * Can we support the voltage of the card?
738 * Detect and init the card.
746 err = mmc_add_card(host->card);
753 mmc_remove_card(host->card);
754 host->card = NULL;
760 printk(KERN_ERR "%s: error %d whilst initialising MMC card\n",