static int process_sdio_pending_irqs(struct mmc_host *host)
{
struct mmc_card *card = host->card;
int i, ret, count;
unsigned char pending;
struct sdio_func *func;
/*
* Optimization, if there is only 1 function interrupt registered
* and we know an IRQ was signaled then call irq handler directly.
* Otherwise do the full probe.
*/
func = card->sdio_single_irq;
if (func && host->sdio_irq_pending) {
func->irq_handler(func);
return 1;
}
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
pr_debug("%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
return ret;
}
if (pending && mmc_card_broken_irq_polling(card) &&
!(host->caps & MMC_CAP_SDIO_IRQ)) {
unsigned char dummy;
/* A fake interrupt could be created when we poll SDIO_CCCR_INTx
* register with a Marvell SD8797 card. A dummy CMD52 read to
* function 0 register 0xff can avoid this.
*/
(void)mmc_io_rw_direct(card, 0, 0, 0xff, 0, &dummy);
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
func = card->sdio_func[i - 1];
if (!func) {
pr_warn("%s: pending IRQ for non-existent function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
func->irq_handler(func);
count++;
} else {
pr_warn("%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (count)
return count;
return ret;
}
static int mmc_blk_probe(struct mmc_card *card)
{
struct mmc_blk_data *md;
int err;
if (card->csd.cmdclass & ~0x1ff)
return -ENODEV;
if (card->csd.read_blkbits < 9) {
printk(KERN_WARNING "%s: read blocksize too small (%u)\n",
mmc_card_id(card), 1 << card->csd.read_blkbits);
return -ENODEV;
}
md = mmc_blk_alloc(card);
if (IS_ERR(md))
return PTR_ERR(md);
err = mmc_blk_set_blksize(md, card);
if (err)
goto out;
printk(KERN_INFO "%s: %s %s %dKiB\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
(card->csd.capacity << card->csd.read_blkbits) / 1024);
mmc_set_drvdata(card, md);
add_disk(md->disk);
return 0;
out:
mmc_blk_put(md);
return err;
}
static int process_sdio_pending_irqs(struct mmc_card *card)
{
int i, ret, count;
unsigned char pending;
unsigned char reg;
#if 0
#endif
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_IENx, 0, ®);
if (ret) {
printk(KERN_ERR "%s: error %d reading SDIO_CCCR_IENx\n",
mmc_card_id(card), ret);
return ret;
}
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
printk(KERN_DEBUG "%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
return ret;
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
struct sdio_func *func = card->sdio_func[i - 1];
if (!(reg & 0x1)) {
pr_err("%s: Master interrupt is disabled but still "
"we have pending interrupt, bug in h/w??\n", __func__);
return -EINVAL;
}
if (!func) {
printk(KERN_WARNING "%s: pending IRQ for "
"non-existent function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
if ((reg & (1 << func->num))) {
func->irq_handler(func);
count++;
} else {
pr_err("%s: Interrupt ocurred even when IEx "
"bit is not set, bug in h/w??\n", mmc_card_id(card));
ret = -EINVAL;
}
} else {
printk(KERN_WARNING "%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (count)
return count;
return ret;
}
static int process_sdio_pending_irqs(struct mmc_host *host)
{
struct mmc_card *card = host->card;
int i, ret, count;
unsigned char pending;
struct sdio_func *func;
if ((!host->sdio_irq_pending) && (host->caps & MMC_CAP_SDIO_IRQ))
return 0;
/*
* Optimization, if there is only 1 function interrupt registered
* and we know an IRQ was signaled then call irq handler directly.
* Otherwise do the full probe.
*/
func = card->sdio_single_irq;
if (func && host->sdio_irq_pending) {
func->irq_handler(func);
if (func->func_status == func_suspended)
host->break_suspend = 1;
return 1;
}
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
pr_debug("%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
return ret;
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
func = card->sdio_func[i - 1];
if (!func) {
pr_warning("%s: pending IRQ for "
"non-existent function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
if (func->func_status == func_suspended)
host->break_suspend = 1;
func->irq_handler(func);
count++;
} else {
pr_warning("%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (count)
return count;
return ret;
}
static int process_sdio_pending_irqs(struct mmc_card *card)
{
int i, ret, count;
unsigned char pending;
if(card->disabled){
printk(KERN_DEBUG "%s: irq arrive after controller is "
"disabled, defer it.\n", mmc_card_id(card));
card->pending_interrupt = 1;
return 0;
}
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
printk(KERN_DEBUG "%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
return ret;
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
struct sdio_func *func = card->sdio_func[i - 1];
if (!func) {
printk(KERN_WARNING "%s: pending IRQ for "
"non-existant function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
if (func->suspended) {
card->pending_interrupt = 1;
printk(KERN_WARNING "%s: IRQ that arrives in suspend"
" mode.\n",
sdio_func_id(func));
}
func->irq_handler(func);
count++;
} else {
printk(KERN_WARNING "%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (count)
return count;
return ret;
}
static int process_sdio_pending_irqs(struct mmc_card *card)
{
int i, ret, count;
unsigned char pending;
struct sdio_func *func;
/*
* Optimization, if there is only 1 function interrupt registered
* call irq handler directly
*/
func = card->sdio_single_irq;
if (func) {
func->irq_handler(func);
return 1;
}
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
pr_debug("%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
return ret;
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
func = card->sdio_func[i - 1];
if (!func) {
pr_warning("%s: pending IRQ for "
"non-existent function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
func->irq_handler(func);
count++;
} else {
pr_warning("%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (count)
return count;
return ret;
}
void mmc_add_card_debugfs(struct mmc_card *card)
{
struct mmc_host *host = card->host;
struct dentry *root;
if (!host->debugfs_root)
return;
root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);
if (IS_ERR(root))
/* Don't complain -- debugfs just isn't enabled */
return;
if (!root)
/* Complain -- debugfs is enabled, but it failed to
* create the directory. */
goto err;
card->debugfs_root = root;
if (!debugfs_create_x32("state", S_IRUSR, root, &card->state))
goto err;
if (mmc_card_mmc(card) || mmc_card_sd(card))
if (!debugfs_create_file("status", S_IRUSR, root, card,
&mmc_dbg_card_status_fops))
goto err;
return;
err:
debugfs_remove_recursive(root);
card->debugfs_root = NULL;
dev_err(&card->dev, "failed to initialize debugfs\n");
}
static int mmc_blk_probe(struct mmc_card *card)
{
struct mmc_blk_data *md;
int err;
/*
* Check that the card supports the command class(es) we need.
*/
if (!(card->csd.cmdclass & CCC_BLOCK_READ))
return -ENODEV;
md = mmc_blk_alloc(card);
if (IS_ERR(md))
return PTR_ERR(md);
err = mmc_blk_set_blksize(md, card);
if (err)
goto out;
printk(KERN_INFO "%s: %s %s %lluKiB %s\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
(unsigned long long)(get_capacity(md->disk) >> 1),
md->read_only ? "(ro)" : "");
mmc_set_drvdata(card, md);
add_disk(md->disk);
return 0;
out:
mmc_blk_put(md);
return err;
}
static int process_sdio_pending_irqs(struct mmc_card *card)
{
int i, ret, count;
unsigned char pending;
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
printk(KERN_DEBUG "%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
sdio_debug = 1;
return ret;
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
struct sdio_func *func = card->sdio_func[i - 1];
if (!func) {
printk(KERN_WARNING "%s: pending IRQ for "
"non-existant function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
if (sdio_debug) {
printk(KERN_DEBUG "%s: pending irq for func%d\n",
mmc_card_id(card), i);
}
func->irq_handler(func);
count++;
} else {
printk(KERN_WARNING "%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (sdio_debug) {
printk(KERN_DEBUG "%s: pending irq 0x%x\n",
mmc_card_id(card), pending);
sdio_debug = 0;
}
if (count)
return count;
return ret;
}
void mmc_add_card_debugfs(struct mmc_card *card)
{
struct mmc_host *host = card->host;
struct dentry *root;
if (!host->debugfs_root)
return;
root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);
if (IS_ERR(root))
/* Don't complain -- debugfs just isn't enabled */
return;
if (!root)
/* Complain -- debugfs is enabled, but it failed to
* create the directory. */
goto err;
card->debugfs_root = root;
if (!debugfs_create_x32("state", S_IRUSR, root, &card->state))
goto err;
if (mmc_card_mmc(card) || mmc_card_sd(card))
if (!debugfs_create_file("status", S_IRUSR, root, card,
&mmc_dbg_card_status_fops))
goto err;
if (mmc_card_mmc(card))
if (!debugfs_create_file("ext_csd", S_IRUSR, root, card,
&mmc_dbg_ext_csd_fops))
goto err;
if (mmc_card_mmc(card) && (card->ext_csd.rev >= 6) &&
(card->host->caps2 & MMC_CAP2_PACKED_WR))
if (!debugfs_create_file("wr_pack_stats", S_IRUSR, root, card,
&mmc_dbg_wr_pack_stats_fops))
goto err;
if (mmc_card_mmc(card) && (card->ext_csd.rev >= 5) &&
card->ext_csd.bkops_en)
if (!debugfs_create_file("bkops_stats", S_IRUSR, root, card,
&mmc_dbg_bkops_stats_fops))
goto err;
//ASUS_BSP +++ Gavin_Chang "mmc cmd statistics"
if (mmc_card_mmc(card))
if (!debugfs_create_file("cmd_stats", S_IRUSR, root, card,
&mmc_dbg_cmd_stats_fops))
goto err;
//ASUS_BSP --- Gavin_Chang "mmc cmd statistics"
return;
err:
debugfs_remove_recursive(root);
card->debugfs_root = NULL;
dev_err(&card->dev, "failed to initialize debugfs\n");
}
static int mmc_blk_probe(struct mmc_card *card)
{
struct mmc_blk_data *md;
int err;
/*
* Check that the card supports the command class(es) we need.
*/
if (!(card->csd.cmdclass & CCC_BLOCK_READ))
return -ENODEV;
if (card->csd.read_blkbits < 9) {
printk(KERN_WARNING "%s: read blocksize too small (%u)\n",
mmc_card_id(card), 1 << card->csd.read_blkbits);
return -ENODEV;
}
md = mmc_blk_alloc(card);
if (IS_ERR(md))
return PTR_ERR(md);
err = mmc_blk_set_blksize(md, card);
if (err)
goto out;
printk(KERN_INFO "%s: %s %s %luKiB %s\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
get_capacity(md->disk) >> 1, mmc_blk_readonly(card)?"(ro)":"");
mmc_set_drvdata(card, md);
add_disk(md->disk);
return 0;
out:
mmc_blk_put(md);
return err;
}
void mmc_add_card_debugfs(struct mmc_card *card)
{
struct mmc_host *host = card->host;
struct dentry *root;
if (!host->debugfs_root)
return;
root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);
if (IS_ERR(root))
return;
if (!root)
goto err;
card->debugfs_root = root;
if (!debugfs_create_x32("state", S_IRUSR, root, &card->state))
goto err;
if (mmc_card_mmc(card) || mmc_card_sd(card))
if (!debugfs_create_file("status", S_IRUSR, root, card,
&mmc_dbg_card_status_fops))
goto err;
if (mmc_card_mmc(card))
if (!debugfs_create_file("ext_csd", S_IRUSR, root, card,
&mmc_dbg_ext_csd_fops))
goto err;
if (mmc_card_mmc(card) && (card->ext_csd.rev >= 6) &&
(card->host->caps2 & MMC_CAP2_PACKED_WR))
if (!debugfs_create_file("wr_pack_stats", S_IRUSR, root, card,
&mmc_dbg_wr_pack_stats_fops))
goto err;
if (mmc_card_mmc(card) && (card->ext_csd.rev >= 5) &&
card->ext_csd.bkops_en)
if (!debugfs_create_file("bkops_stats", S_IRUSR, root, card,
&mmc_dbg_bkops_stats_fops))
goto err;
return;
err:
debugfs_remove_recursive(root);
card->debugfs_root = NULL;
dev_err(&card->dev, "failed to initialize debugfs\n");
}
void mmc_add_card_debugfs(struct mmc_card *card)
{
struct mmc_host *host = card->host;
struct dentry *root = NULL;
struct dentry *sdxc_root = NULL;
if (!host->debugfs_root)
return;
sdxc_root = debugfs_create_dir("sdxc_root", host->debugfs_root);
if (IS_ERR(sdxc_root))
return;
if (!sdxc_root)
goto err;
root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);
if (IS_ERR(root))
/* Don't complain -- debugfs just isn't enabled */
return;
if (!root)
/* Complain -- debugfs is enabled, but it failed to
* create the directory. */
goto err;
card->debugfs_sdxc = sdxc_root;
card->debugfs_root = root;
if (!debugfs_create_x32("state", S_IRUSR, root, &card->state))
goto err;
if (mmc_card_mmc(card) || mmc_card_sd(card))
if (!debugfs_create_file("status", S_IRUSR, root, card,
&mmc_dbg_card_status_fops))
goto err;
if (mmc_card_mmc(card))
if (!debugfs_create_file("ext_csd", S_IRUSR, root, card,
&mmc_dbg_ext_csd_fops))
goto err;
if (mmc_card_sd(card))
if (!debugfs_create_file("sdxc", S_IRUSR, sdxc_root, card,
&mmc_sdxc_fops))
goto err;
#ifdef CONFIG_HW_MMC_TEST
if (mmc_card_mmc(card))
if (!debugfs_create_file("card_addr", S_IRUSR, root, card,
&mmc_dbg_card_addr_fops))
goto err;
if (mmc_card_mmc(card))
if (!debugfs_create_file("test_st", S_IRUSR, root, card,
&mmc_dbg_test_st_fops))
goto err;
#endif
return;
err:
debugfs_remove_recursive(root);
debugfs_remove_recursive(sdxc_root);
card->debugfs_root = NULL;
card->debugfs_sdxc = NULL;
dev_err(&card->dev, "failed to initialize debugfs\n");
}
static void mmc_test_run(struct mmc_test_card *test, int testcase)
{
int i, ret;
printk(KERN_INFO "%s: Starting tests of card %s...\n",
mmc_hostname(test->card->host), mmc_card_id(test->card));
mmc_claim_host(test->card->host);
for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) {
if (testcase && ((i + 1) != testcase))
continue;
printk(KERN_INFO "%s: Test case %d. %s...\n",
mmc_hostname(test->card->host), i + 1,
mmc_test_cases[i].name);
if (mmc_test_cases[i].prepare) {
ret = mmc_test_cases[i].prepare(test);
if (ret) {
printk(KERN_INFO "%s: Result: Prepare "
"stage failed! (%d)\n",
mmc_hostname(test->card->host),
ret);
continue;
}
}
ret = mmc_test_cases[i].run(test);
switch (ret) {
case RESULT_OK:
printk(KERN_INFO "%s: Result: OK\n",
mmc_hostname(test->card->host));
break;
case RESULT_FAIL:
printk(KERN_INFO "%s: Result: FAILED\n",
mmc_hostname(test->card->host));
break;
case RESULT_UNSUP_HOST:
printk(KERN_INFO "%s: Result: UNSUPPORTED "
"(by host)\n",
mmc_hostname(test->card->host));
break;
case RESULT_UNSUP_CARD:
printk(KERN_INFO "%s: Result: UNSUPPORTED "
"(by card)\n",
mmc_hostname(test->card->host));
break;
default:
printk(KERN_INFO "%s: Result: ERROR (%d)\n",
mmc_hostname(test->card->host), ret);
}
if (mmc_test_cases[i].cleanup) {
ret = mmc_test_cases[i].cleanup(test);
if (ret) {
printk(KERN_INFO "%s: Warning: Cleanup "
"stage failed! (%d)\n",
mmc_hostname(test->card->host),
ret);
}
}
}
mmc_release_host(test->card->host);
printk(KERN_INFO "%s: Tests completed.\n",
mmc_hostname(test->card->host));
}
static int process_sdio_pending_irqs(struct mmc_card *card)
{
int i, ret, count;
unsigned char pending;
struct sdio_func *func;
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [START]
unsigned char reg;
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [END]
/*
* Optimization, if there is only 1 function interrupt registered
* call irq handler directly
*/
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [START]
#if 0
func = card->sdio_single_irq;
if (func) {
func->irq_handler(func);
return 1;
}
#endif
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_IENx, 0, ®);
if (ret) {
printk(KERN_ERR "%s: error %d reading SDIO_CCCR_IENx\n",
mmc_card_id(card), ret);
return ret;
}
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [END]
ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending);
if (ret) {
printk(KERN_DEBUG "%s: error %d reading SDIO_CCCR_INTx\n",
mmc_card_id(card), ret);
return ret;
}
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [START]
if (!(reg & 0x1)) {
pr_err("%s: Master interrupt is disabled but still "
"we have pending interrupt, bug in h/w??\n", __func__);
return -EINVAL;
}
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [END]
func = card->sdio_func[i - 1];
if (!func) {
printk(KERN_WARNING "%s: pending IRQ for "
"non-existent function\n",
mmc_card_id(card));
ret = -EINVAL;
} else if (func->irq_handler) {
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [START]
if ((reg & (1 << func->num))) {
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [END]
func->irq_handler(func);
count++;
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [START]
} else {
pr_err("%s: Interrupt ocurred even when IEx "
"bit is not set, bug in h/w??\n", mmc_card_id(card));
ret = -EINVAL;
}
// 20120317 [email protected][wo0gi] QCT patch : SDIO kernel crash [END]
} else {
printk(KERN_WARNING "%s: pending IRQ with no handler\n",
sdio_func_id(func));
ret = -EINVAL;
}
}
}
if (count)
return count;
return ret;
}
void mmc_add_card_debugfs(struct mmc_card *card)
{
struct mmc_host *host = card->host;
struct dentry *root;
if (!host->debugfs_root)
return;
root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);
if (IS_ERR(root))
/* Don't complain -- debugfs just isn't enabled */
return;
if (!root)
/* Complain -- debugfs is enabled, but it failed to
* create the directory. */
goto err;
card->debugfs_root = root;
if (!debugfs_create_x32("state", S_IRUSR, root, &card->state))
goto err;
if (mmc_card_mmc(card) || mmc_card_sd(card))
if (!debugfs_create_file("status", S_IRUSR, root, card,
&mmc_dbg_card_status_fops))
goto err;
if (mmc_card_mmc(card)) {
if (!debugfs_create_file("ext_csd", S_IRUSR, root, card,
&mmc_dbg_ext_csd_fops))
goto err;
if (!debugfs_create_file("eol_status", S_IRUSR, root, card,
&mmc_dbg_ext_csd_eol_fops))
goto err;
if (!debugfs_create_file("dhs_type_a", S_IRUSR, root, card,
&mmc_dbg_ext_csd_life_time_type_a_fops))
goto err;
if (!debugfs_create_file("dhs_type_b", S_IRUSR, root, card,
&mmc_dbg_ext_csd_life_time_type_b_fops))
goto err;
if (!debugfs_create_file("emmc_device_type", S_IRUSR, root,
card, &mmc_dbg_ext_csd_device_type_fops))
goto err;
if (!debugfs_create_file("firmware_version", S_IRUSR, root,
card, &mmc_dbg_ext_csd_fw_v_fops))
goto err;
if (!debugfs_create_file("bkops_status", S_IRUSR, root, card,
&mmc_dbg_ext_csd_bkops_status_fops))
goto err;
if (!debugfs_create_file("bkops_support", S_IRUSR, root, card,
&mmc_dbg_ext_csd_bkops_support_fops))
goto err;
if (!debugfs_create_file("poweron_notify", S_IRUSR, root, card,
&mmc_dbg_ext_csd_pon_notify_fops))
goto err;
if (!debugfs_create_file("hpi_support", S_IRUSR, root, card,
&mmc_dbg_ext_csd_hpi_support_fops))
goto err;
}
if (mmc_card_sd(card))
if (!debugfs_create_file("speed_class", S_IROTH, root, card,
&mmc_dbg_card_speed_class_fops))
goto err;
return;
err:
debugfs_remove_recursive(root);
card->debugfs_root = NULL;
dev_err(&card->dev, "failed to initialize debugfs\n");
}
