#include <linux/mmc/sd.h>
#include "core.h"
-#include "sysfs.h"
#include "bus.h"
#include "mmc_ops.h"
#include "sd_ops.h"
unsigned int scr_struct;
u32 resp[4];
- BUG_ON(!mmc_card_sd(card));
-
resp[3] = card->raw_scr[1];
resp[2] = card->raw_scr[0];
err = mmc_sd_switch(card, 0, 0, 1, status);
if (err) {
+ /*
+ * We all hosts that cannot perform the command
+ * to fail more gracefully
+ */
+ if (err != -EINVAL)
+ goto out;
+
printk(KERN_WARNING "%s: problem reading switch "
"capabilities, performance might suffer.\n",
mmc_hostname(card->host));
err = 0;
+
goto out;
}
return err;
}
+MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
+ card->raw_cid[2], card->raw_cid[3]);
+MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
+ card->raw_csd[2], card->raw_csd[3]);
+MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
+MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
+MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
+MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
+MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
+MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
+MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
+MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
+
+
+static struct attribute *sd_std_attrs[] = {
+ &dev_attr_cid.attr,
+ &dev_attr_csd.attr,
+ &dev_attr_scr.attr,
+ &dev_attr_date.attr,
+ &dev_attr_fwrev.attr,
+ &dev_attr_hwrev.attr,
+ &dev_attr_manfid.attr,
+ &dev_attr_name.attr,
+ &dev_attr_oemid.attr,
+ &dev_attr_serial.attr,
+ NULL,
+};
+
+static struct attribute_group sd_std_attr_group = {
+ .attrs = sd_std_attrs,
+};
+
+static struct attribute_group *sd_attr_groups[] = {
+ &sd_std_attr_group,
+ NULL,
+};
+
+static struct device_type sd_type = {
+ .groups = sd_attr_groups,
+};
+
/*
* Handle the detection and initialisation of a card.
*
unsigned int max_dtr;
BUG_ON(!host);
- BUG_ON(!host->claimed);
+ WARN_ON(!host->claimed);
/*
* Since we're changing the OCR value, we seem to
if (err)
goto err;
+ /*
+ * For SPI, enable CRC as appropriate.
+ */
+ if (mmc_host_is_spi(host)) {
+ err = mmc_spi_set_crc(host, use_spi_crc);
+ if (err)
+ goto err;
+ }
+
/*
* Fetch CID from card.
*/
- err = mmc_all_send_cid(host, cid);
+ if (mmc_host_is_spi(host))
+ err = mmc_send_cid(host, cid);
+ else
+ err = mmc_all_send_cid(host, cid);
if (err)
goto err;
if (oldcard) {
- if (memcmp(cid, oldcard->raw_cid, sizeof(cid)) != 0)
+ if (memcmp(cid, oldcard->raw_cid, sizeof(cid)) != 0) {
+ err = -ENOENT;
goto err;
+ }
card = oldcard;
} else {
/*
* Allocate card structure.
*/
- card = mmc_alloc_card(host);
- if (IS_ERR(card))
+ card = mmc_alloc_card(host, &sd_type);
+ if (IS_ERR(card)) {
+ err = PTR_ERR(card);
goto err;
+ }
card->type = MMC_TYPE_SD;
memcpy(card->raw_cid, cid, sizeof(card->raw_cid));
}
/*
- * Set card RCA.
+ * For native busses: get card RCA and quit open drain mode.
*/
- err = mmc_send_relative_addr(host, &card->rca);
- if (err)
- goto free_card;
+ if (!mmc_host_is_spi(host)) {
+ err = mmc_send_relative_addr(host, &card->rca);
+ if (err)
+ goto free_card;
- mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL);
+ mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL);
+ }
if (!oldcard) {
/*
goto free_card;
err = mmc_decode_csd(card);
- if (err < 0)
+ if (err)
goto free_card;
mmc_decode_cid(card);
/*
* Select card, as all following commands rely on that.
*/
- err = mmc_select_card(card);
- if (err)
- goto free_card;
+ if (!mmc_host_is_spi(host)) {
+ err = mmc_select_card(card);
+ if (err)
+ goto free_card;
+ }
if (!oldcard) {
/*
mmc_remove_card(card);
err:
- return -EIO;
+ return err;
}
/*
}
}
-MMC_ATTR_FN(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
- card->raw_cid[2], card->raw_cid[3]);
-MMC_ATTR_FN(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
- card->raw_csd[2], card->raw_csd[3]);
-MMC_ATTR_FN(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
-MMC_ATTR_FN(date, "%02d/%04d\n", card->cid.month, card->cid.year);
-MMC_ATTR_FN(fwrev, "0x%x\n", card->cid.fwrev);
-MMC_ATTR_FN(hwrev, "0x%x\n", card->cid.hwrev);
-MMC_ATTR_FN(manfid, "0x%06x\n", card->cid.manfid);
-MMC_ATTR_FN(name, "%s\n", card->cid.prod_name);
-MMC_ATTR_FN(oemid, "0x%04x\n", card->cid.oemid);
-MMC_ATTR_FN(serial, "0x%08x\n", card->cid.serial);
-
-static struct device_attribute mmc_sd_dev_attrs[] = {
- MMC_ATTR_RO(cid),
- MMC_ATTR_RO(csd),
- MMC_ATTR_RO(scr),
- MMC_ATTR_RO(date),
- MMC_ATTR_RO(fwrev),
- MMC_ATTR_RO(hwrev),
- MMC_ATTR_RO(manfid),
- MMC_ATTR_RO(name),
- MMC_ATTR_RO(oemid),
- MMC_ATTR_RO(serial),
- __ATTR_NULL,
-};
-
-/*
- * Adds sysfs entries as relevant.
- */
-static int mmc_sd_sysfs_add(struct mmc_host *host, struct mmc_card *card)
-{
- int ret;
-
- ret = mmc_add_attrs(card, mmc_sd_dev_attrs);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-/*
- * Removes the sysfs entries added by mmc_sysfs_add().
- */
-static void mmc_sd_sysfs_remove(struct mmc_host *host, struct mmc_card *card)
-{
- mmc_remove_attrs(card, mmc_sd_dev_attrs);
-}
-
#ifdef CONFIG_MMC_UNSAFE_RESUME
/*
BUG_ON(!host->card);
mmc_claim_host(host);
- mmc_deselect_cards(host);
+ if (!mmc_host_is_spi(host))
+ mmc_deselect_cards(host);
host->card->state &= ~MMC_STATE_HIGHSPEED;
mmc_release_host(host);
}
static const struct mmc_bus_ops mmc_sd_ops = {
.remove = mmc_sd_remove,
.detect = mmc_sd_detect,
- .sysfs_add = mmc_sd_sysfs_add,
- .sysfs_remove = mmc_sd_sysfs_remove,
.suspend = mmc_sd_suspend,
.resume = mmc_sd_resume,
};
int err;
BUG_ON(!host);
- BUG_ON(!host->claimed);
+ WARN_ON(!host->claimed);
mmc_attach_bus(host, &mmc_sd_ops);
+ /*
+ * We need to get OCR a different way for SPI.
+ */
+ if (mmc_host_is_spi(host)) {
+ mmc_go_idle(host);
+
+ err = mmc_spi_read_ocr(host, 0, &ocr);
+ if (err)
+ goto err;
+ }
+
/*
* Sanity check the voltages that the card claims to
* support.
printk(KERN_ERR "%s: error %d whilst initialising SD card\n",
mmc_hostname(host), err);
- return 0;
+ return err;
}
projects / linux-2.6 / blobdiff