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-rw-r--r--drivers/mmc/card/block.c50
-rw-r--r--drivers/mmc/card/mmc_test.c18
-rw-r--r--drivers/mmc/card/queue.c2
-rw-r--r--drivers/mmc/card/queue.h2
-rw-r--r--drivers/mmc/core/bus.c41
-rw-r--r--drivers/mmc/core/core.c1
-rw-r--r--drivers/mmc/core/pwrseq.c2
-rw-r--r--drivers/mmc/host/Kconfig8
-rw-r--r--drivers/mmc/host/Makefile1
-rw-r--r--drivers/mmc/host/atmel-mci.c9
-rw-r--r--drivers/mmc/host/dw_mmc.c7
-rw-r--r--drivers/mmc/host/msm_sdcc.c1474
-rw-r--r--drivers/mmc/host/msm_sdcc.h256
-rw-r--r--drivers/mmc/host/mxcmmc.c2
-rw-r--r--drivers/mmc/host/sh_mmcif.c15
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c26
-rw-r--r--drivers/mmc/host/tmio_mmc.h4
-rw-r--r--drivers/mmc/host/tmio_mmc_dma.c10
18 files changed, 103 insertions, 1825 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index c69afb5e264e..60f7141a6b02 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1029,6 +1029,18 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
md->reset_done &= ~type;
}
+int mmc_access_rpmb(struct mmc_queue *mq)
+{
+ struct mmc_blk_data *md = mq->data;
+ /*
+ * If this is a RPMB partition access, return ture
+ */
+ if (md && md->part_type == EXT_CSD_PART_CONFIG_ACC_RPMB)
+ return true;
+
+ return false;
+}
+
static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
{
struct mmc_blk_data *md = mq->data;
@@ -2230,7 +2242,7 @@ static int mmc_blk_alloc_part(struct mmc_card *card,
part_md->part_type = part_type;
list_add(&part_md->part, &md->part);
- string_get_size((u64)get_capacity(part_md->disk) << 9, STRING_UNITS_2,
+ string_get_size((u64)get_capacity(part_md->disk), 512, STRING_UNITS_2,
cap_str, sizeof(cap_str));
pr_info("%s: %s %s partition %u %s\n",
part_md->disk->disk_name, mmc_card_id(card),
@@ -2418,9 +2430,8 @@ static const struct mmc_fixup blk_fixups[] =
END_FIXUP
};
-static int mmc_blk_probe(struct device *dev)
+static int mmc_blk_probe(struct mmc_card *card)
{
- struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_blk_data *md, *part_md;
char cap_str[10];
@@ -2436,7 +2447,7 @@ static int mmc_blk_probe(struct device *dev)
if (IS_ERR(md))
return PTR_ERR(md);
- string_get_size((u64)get_capacity(md->disk) << 9, STRING_UNITS_2,
+ string_get_size((u64)get_capacity(md->disk), 512, STRING_UNITS_2,
cap_str, sizeof(cap_str));
pr_info("%s: %s %s %s %s\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
@@ -2445,7 +2456,7 @@ static int mmc_blk_probe(struct device *dev)
if (mmc_blk_alloc_parts(card, md))
goto out;
- dev_set_drvdata(dev, md);
+ dev_set_drvdata(&card->dev, md);
if (mmc_add_disk(md))
goto out;
@@ -2475,10 +2486,9 @@ static int mmc_blk_probe(struct device *dev)
return 0;
}
-static int mmc_blk_remove(struct device *dev)
+static void mmc_blk_remove(struct mmc_card *card)
{
- struct mmc_card *card = mmc_dev_to_card(dev);
- struct mmc_blk_data *md = dev_get_drvdata(dev);
+ struct mmc_blk_data *md = dev_get_drvdata(&card->dev);
mmc_blk_remove_parts(card, md);
pm_runtime_get_sync(&card->dev);
@@ -2489,15 +2499,13 @@ static int mmc_blk_remove(struct device *dev)
pm_runtime_disable(&card->dev);
pm_runtime_put_noidle(&card->dev);
mmc_blk_remove_req(md);
- dev_set_drvdata(dev, NULL);
-
- return 0;
+ dev_set_drvdata(&card->dev, NULL);
}
-static int _mmc_blk_suspend(struct device *dev)
+static int _mmc_blk_suspend(struct mmc_card *card)
{
struct mmc_blk_data *part_md;
- struct mmc_blk_data *md = dev_get_drvdata(dev);
+ struct mmc_blk_data *md = dev_get_drvdata(&card->dev);
if (md) {
mmc_queue_suspend(&md->queue);
@@ -2508,15 +2516,17 @@ static int _mmc_blk_suspend(struct device *dev)
return 0;
}
-static void mmc_blk_shutdown(struct device *dev)
+static void mmc_blk_shutdown(struct mmc_card *card)
{
- _mmc_blk_suspend(dev);
+ _mmc_blk_suspend(card);
}
#ifdef CONFIG_PM_SLEEP
static int mmc_blk_suspend(struct device *dev)
{
- return _mmc_blk_suspend(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
+
+ return _mmc_blk_suspend(card);
}
static int mmc_blk_resume(struct device *dev)
@@ -2541,9 +2551,11 @@ static int mmc_blk_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(mmc_blk_pm_ops, mmc_blk_suspend, mmc_blk_resume);
-static struct device_driver mmc_driver = {
- .name = "mmcblk",
- .pm = &mmc_blk_pm_ops,
+static struct mmc_driver mmc_driver = {
+ .drv = {
+ .name = "mmcblk",
+ .pm = &mmc_blk_pm_ops,
+ },
.probe = mmc_blk_probe,
.remove = mmc_blk_remove,
.shutdown = mmc_blk_shutdown,
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 7dac4695163b..53b741398b93 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -14,7 +14,6 @@
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/slab.h>
-#include <linux/device.h>
#include <linux/scatterlist.h>
#include <linux/swap.h> /* For nr_free_buffer_pages() */
@@ -2996,9 +2995,8 @@ err:
return ret;
}
-static int mmc_test_probe(struct device *dev)
+static int mmc_test_probe(struct mmc_card *card)
{
- struct mmc_card *card = mmc_dev_to_card(dev);
int ret;
if (!mmc_card_mmc(card) && !mmc_card_sd(card))
@@ -3013,22 +3011,20 @@ static int mmc_test_probe(struct device *dev)
return 0;
}
-static int mmc_test_remove(struct device *dev)
+static void mmc_test_remove(struct mmc_card *card)
{
- struct mmc_card *card = mmc_dev_to_card(dev);
-
mmc_test_free_result(card);
mmc_test_free_dbgfs_file(card);
-
- return 0;
}
-static void mmc_test_shutdown(struct device *dev)
+static void mmc_test_shutdown(struct mmc_card *card)
{
}
-static struct device_driver mmc_driver = {
- .name = "mmc_test",
+static struct mmc_driver mmc_driver = {
+ .drv = {
+ .name = "mmc_test",
+ },
.probe = mmc_test_probe,
.remove = mmc_test_remove,
.shutdown = mmc_test_shutdown,
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 236d194c2883..8efa3684aef8 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -38,7 +38,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req)
return BLKPREP_KILL;
}
- if (mq && mmc_card_removed(mq->card))
+ if (mq && (mmc_card_removed(mq->card) || mmc_access_rpmb(mq)))
return BLKPREP_KILL;
req->cmd_flags |= REQ_DONTPREP;
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
index 5752d50049a3..99e6521e6169 100644
--- a/drivers/mmc/card/queue.h
+++ b/drivers/mmc/card/queue.h
@@ -73,4 +73,6 @@ extern void mmc_queue_bounce_post(struct mmc_queue_req *);
extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *);
extern void mmc_packed_clean(struct mmc_queue *);
+extern int mmc_access_rpmb(struct mmc_queue *);
+
#endif
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index c5ef10065a4a..972ff844cf5a 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -26,6 +26,8 @@
#include "sdio_cis.h"
#include "bus.h"
+#define to_mmc_driver(d) container_of(d, struct mmc_driver, drv)
+
static ssize_t type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -105,14 +107,33 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
return retval;
}
+static int mmc_bus_probe(struct device *dev)
+{
+ struct mmc_driver *drv = to_mmc_driver(dev->driver);
+ struct mmc_card *card = mmc_dev_to_card(dev);
+
+ return drv->probe(card);
+}
+
+static int mmc_bus_remove(struct device *dev)
+{
+ struct mmc_driver *drv = to_mmc_driver(dev->driver);
+ struct mmc_card *card = mmc_dev_to_card(dev);
+
+ drv->remove(card);
+
+ return 0;
+}
+
static void mmc_bus_shutdown(struct device *dev)
{
+ struct mmc_driver *drv = to_mmc_driver(dev->driver);
struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_host *host = card->host;
int ret;
- if (dev->driver && dev->driver->shutdown)
- dev->driver->shutdown(dev);
+ if (dev->driver && drv->shutdown)
+ drv->shutdown(card);
if (host->bus_ops->shutdown) {
ret = host->bus_ops->shutdown(host);
@@ -181,6 +202,8 @@ static struct bus_type mmc_bus_type = {
.dev_groups = mmc_dev_groups,
.match = mmc_bus_match,
.uevent = mmc_bus_uevent,
+ .probe = mmc_bus_probe,
+ .remove = mmc_bus_remove,
.shutdown = mmc_bus_shutdown,
.pm = &mmc_bus_pm_ops,
};
@@ -199,22 +222,24 @@ void mmc_unregister_bus(void)
* mmc_register_driver - register a media driver
* @drv: MMC media driver
*/
-int mmc_register_driver(struct device_driver *drv)
+int mmc_register_driver(struct mmc_driver *drv)
{
- drv->bus = &mmc_bus_type;
- return driver_register(drv);
+ drv->drv.bus = &mmc_bus_type;
+ return driver_register(&drv->drv);
}
+
EXPORT_SYMBOL(mmc_register_driver);
/**
* mmc_unregister_driver - unregister a media driver
* @drv: MMC media driver
*/
-void mmc_unregister_driver(struct device_driver *drv)
+void mmc_unregister_driver(struct mmc_driver *drv)
{
- drv->bus = &mmc_bus_type;
- driver_unregister(drv);
+ drv->drv.bus = &mmc_bus_type;
+ driver_unregister(&drv->drv);
}
+
EXPORT_SYMBOL(mmc_unregister_driver);
static void mmc_release_card(struct device *dev)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index c296bc098fe2..92e7671426eb 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2651,6 +2651,7 @@ int mmc_pm_notify(struct notifier_block *notify_block,
switch (mode) {
case PM_HIBERNATION_PREPARE:
case PM_SUSPEND_PREPARE:
+ case PM_RESTORE_PREPARE:
spin_lock_irqsave(&host->lock, flags);
host->rescan_disable = 1;
spin_unlock_irqrestore(&host->lock, flags);
diff --git a/drivers/mmc/core/pwrseq.c b/drivers/mmc/core/pwrseq.c
index ab2129781161..4c1d1757dbf9 100644
--- a/drivers/mmc/core/pwrseq.c
+++ b/drivers/mmc/core/pwrseq.c
@@ -73,7 +73,7 @@ int mmc_pwrseq_alloc(struct mmc_host *host)
pwrseq = match->alloc(host, &pdev->dev);
if (IS_ERR(pwrseq)) {
- ret = PTR_ERR(host->pwrseq);
+ ret = PTR_ERR(pwrseq);
goto err;
}
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 7f4db908f89b..b1f837e749fe 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -408,14 +408,6 @@ config MMC_SDHCI_MSM
If unsure, say N.
-config MMC_MSM
- tristate "Qualcomm SDCC Controller Support"
- depends on MMC && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)
- help
- This provides support for the SD/MMC cell found in the
- MSM and QSD SOCs from Qualcomm. The controller also has
- support for SDIO devices.
-
config MMC_MXC
tristate "Freescale i.MX21/27/31 or MPC512x Multimedia Card support"
depends on ARCH_MXC || PPC_MPC512x
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 711e913450f5..e3ab5b968651 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -24,7 +24,6 @@ obj-$(CONFIG_MMC_OMAP) += omap.o
obj-$(CONFIG_MMC_OMAP_HS) += omap_hsmmc.o
obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o
obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
-obj-$(CONFIG_MMC_MSM) += msm_sdcc.o
obj-$(CONFIG_MMC_MVSDIO) += mvsdio.o
obj-$(CONFIG_MMC_DAVINCI) += davinci_mmc.o
obj-$(CONFIG_MMC_GOLDFISH) += android-goldfish.o
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 03d7c7521d97..9a39e0b7e583 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -1304,7 +1304,7 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (ios->clock) {
unsigned int clock_min = ~0U;
- u32 clkdiv;
+ int clkdiv;
spin_lock_bh(&host->lock);
if (!host->mode_reg) {
@@ -1328,7 +1328,12 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
/* Calculate clock divider */
if (host->caps.has_odd_clk_div) {
clkdiv = DIV_ROUND_UP(host->bus_hz, clock_min) - 2;
- if (clkdiv > 511) {
+ if (clkdiv < 0) {
+ dev_warn(&mmc->class_dev,
+ "clock %u too fast; using %lu\n",
+ clock_min, host->bus_hz / 2);
+ clkdiv = 0;
+ } else if (clkdiv > 511) {
dev_warn(&mmc->class_dev,
"clock %u too slow; using %lu\n",
clock_min, host->bus_hz / (511 + 2));
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 38b29265cc7c..5f5adafb253a 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -589,9 +589,11 @@ static int dw_mci_idmac_init(struct dw_mci *host)
host->ring_size = PAGE_SIZE / sizeof(struct idmac_desc);
/* Forward link the descriptor list */
- for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++)
+ for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++) {
p->des3 = cpu_to_le32(host->sg_dma +
(sizeof(struct idmac_desc) * (i + 1)));
+ p->des1 = 0;
+ }
/* Set the last descriptor as the end-of-ring descriptor */
p->des3 = cpu_to_le32(host->sg_dma);
@@ -1300,7 +1302,8 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
int gpio_cd = mmc_gpio_get_cd(mmc);
/* Use platform get_cd function, else try onboard card detect */
- if (brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
+ if ((brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION) ||
+ (mmc->caps & MMC_CAP_NONREMOVABLE))
present = 1;
else if (!IS_ERR_VALUE(gpio_cd))
present = gpio_cd;
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
deleted file mode 100644
index 90c60fd4ff6e..000000000000
--- a/drivers/mmc/host/msm_sdcc.c
+++ /dev/null
@@ -1,1474 +0,0 @@
-/*
- * linux/drivers/mmc/host/msm_sdcc.c - Qualcomm MSM 7X00A SDCC Driver
- *
- * Copyright (C) 2007 Google Inc,
- * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- * Copyright (C) 2009, Code Aurora Forum. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Based on mmci.c
- *
- * Author: San Mehat (san@android.com)
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/highmem.h>
-#include <linux/log2.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/card.h>
-#include <linux/mmc/sdio.h>
-#include <linux/clk.h>
-#include <linux/scatterlist.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/debugfs.h>
-#include <linux/io.h>
-#include <linux/memory.h>
-#include <linux/gfp.h>
-#include <linux/gpio.h>
-
-#include <asm/cacheflush.h>
-#include <asm/div64.h>
-#include <asm/sizes.h>
-
-#include <linux/platform_data/mmc-msm_sdcc.h>
-#include <mach/dma.h>
-#include <mach/clk.h>
-
-#include "msm_sdcc.h"
-
-#define DRIVER_NAME "msm-sdcc"
-
-#define BUSCLK_PWRSAVE 1
-#define BUSCLK_TIMEOUT (HZ)
-static unsigned int msmsdcc_fmin = 144000;
-static unsigned int msmsdcc_fmax = 50000000;
-static unsigned int msmsdcc_4bit = 1;
-static unsigned int msmsdcc_pwrsave = 1;
-static unsigned int msmsdcc_piopoll = 1;
-static unsigned int msmsdcc_sdioirq;
-
-#define PIO_SPINMAX 30
-#define CMD_SPINMAX 20
-
-
-static inline void
-msmsdcc_disable_clocks(struct msmsdcc_host *host, int deferr)
-{
- WARN_ON(!host->clks_on);
-
- BUG_ON(host->curr.mrq);
-
- if (deferr) {
- mod_timer(&host->busclk_timer, jiffies + BUSCLK_TIMEOUT);
- } else {
- del_timer_sync(&host->busclk_timer);
- /* Need to check clks_on again in case the busclk
- * timer fired
- */
- if (host->clks_on) {
- clk_disable(host->clk);
- clk_disable(host->pclk);
- host->clks_on = 0;
- }
- }
-}
-
-static inline int
-msmsdcc_enable_clocks(struct msmsdcc_host *host)
-{
- int rc;
-
- del_timer_sync(&host->busclk_timer);
-
- if (!host->clks_on) {
- rc = clk_enable(host->pclk);
- if (rc)
- return rc;
- rc = clk_enable(host->clk);
- if (rc) {
- clk_disable(host->pclk);
- return rc;
- }
- udelay(1 + ((3 * USEC_PER_SEC) /
- (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
- host->clks_on = 1;
- }
- return 0;
-}
-
-static inline unsigned int
-msmsdcc_readl(struct msmsdcc_host *host, unsigned int reg)
-{
- return readl(host->base + reg);
-}
-
-static inline void
-msmsdcc_writel(struct msmsdcc_host *host, u32 data, unsigned int reg)
-{
- writel(data, host->base + reg);
- /* 3 clk delay required! */
- udelay(1 + ((3 * USEC_PER_SEC) /
- (host->clk_rate ? host->clk_rate : msmsdcc_fmin)));
-}
-
-static void
-msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd,
- u32 c);
-
-static void msmsdcc_reset_and_restore(struct msmsdcc_host *host)
-{
- u32 mci_clk = 0;
- u32 mci_mask0 = 0;
- int ret = 0;
-
- /* Save the controller state */
- mci_clk = readl(host->base + MMCICLOCK);
- mci_mask0 = readl(host->base + MMCIMASK0);
-
- /* Reset the controller */
- ret = clk_reset(host->clk, CLK_RESET_ASSERT);
- if (ret)
- pr_err("%s: Clock assert failed at %u Hz with err %d\n",
- mmc_hostname(host->mmc), host->clk_rate, ret);
-
- ret = clk_reset(host->clk, CLK_RESET_DEASSERT);
- if (ret)
- pr_err("%s: Clock deassert failed at %u Hz with err %d\n",
- mmc_hostname(host->mmc), host->clk_rate, ret);
-
- pr_info("%s: Controller has been re-initialiazed\n",
- mmc_hostname(host->mmc));
-
- /* Restore the contoller state */
- writel(host->pwr, host->base + MMCIPOWER);
- writel(mci_clk, host->base + MMCICLOCK);
- writel(mci_mask0, host->base + MMCIMASK0);
- ret = clk_set_rate(host->clk, host->clk_rate);
- if (ret)
- pr_err("%s: Failed to set clk rate %u Hz (%d)\n",
- mmc_hostname(host->mmc), host->clk_rate, ret);
-}
-
-static void
-msmsdcc_request_end(struct msmsdcc_host *host, struct mmc_request *mrq)
-{
- BUG_ON(host->curr.data);
-
- host->curr.mrq = NULL;
- host->curr.cmd = NULL;
-
- if (mrq->data)
- mrq->data->bytes_xfered = host->curr.data_xfered;
- if (mrq->cmd->error == -ETIMEDOUT)
- mdelay(5);
-
-#if BUSCLK_PWRSAVE
- msmsdcc_disable_clocks(host, 1);
-#endif
- /*
- * Need to drop the host lock here; mmc_request_done may call
- * back into the driver...
- */
- spin_unlock(&host->lock);
- mmc_request_done(host->mmc, mrq);
- spin_lock(&host->lock);
-}
-
-static void
-msmsdcc_stop_data(struct msmsdcc_host *host)
-{
- host->curr.data = NULL;
- host->curr.got_dataend = 0;
-}
-
-uint32_t msmsdcc_fifo_addr(struct msmsdcc_host *host)
-{
- return host->memres->start + MMCIFIFO;
-}
-
-static inline void
-msmsdcc_start_command_exec(struct msmsdcc_host *host, u32 arg, u32 c) {
- msmsdcc_writel(host, arg, MMCIARGUMENT);
- msmsdcc_writel(host, c, MMCICOMMAND);
-}
-
-static void
-msmsdcc_dma_exec_func(struct msm_dmov_cmd *cmd)
-{
- struct msmsdcc_host *host = (struct msmsdcc_host *)cmd->data;
-
- msmsdcc_writel(host, host->cmd_timeout, MMCIDATATIMER);
- msmsdcc_writel(host, (unsigned int)host->curr.xfer_size,
- MMCIDATALENGTH);
- msmsdcc_writel(host, (msmsdcc_readl(host, MMCIMASK0) &
- (~MCI_IRQ_PIO)) | host->cmd_pio_irqmask, MMCIMASK0);
- msmsdcc_writel(host, host->cmd_datactrl, MMCIDATACTRL);
-
- if (host->cmd_cmd) {
- msmsdcc_start_command_exec(host,
- (u32) host->cmd_cmd->arg,
- (u32) host->cmd_c);
- }
- host->dma.active = 1;
-}
-
-static void
-msmsdcc_dma_complete_tlet(unsigned long data)
-{
- struct msmsdcc_host *host = (struct msmsdcc_host *)data;
- unsigned long flags;
- struct mmc_request *mrq;
- struct msm_dmov_errdata err;
-
- spin_lock_irqsave(&host->lock, flags);
- host->dma.active = 0;
-
- err = host->dma.err;
- mrq = host->curr.mrq;
- BUG_ON(!mrq);
- WARN_ON(!mrq->data);
-
- if (!(host->dma.result & DMOV_RSLT_VALID)) {
- pr_err("msmsdcc: Invalid DataMover result\n");
- goto out;
- }
-
- if (host->dma.result & DMOV_RSLT_DONE) {
- host->curr.data_xfered = host->curr.xfer_size;
- } else {
- /* Error or flush */
- if (host->dma.result & DMOV_RSLT_ERROR)
- pr_err("%s: DMA error (0x%.8x)\n",
- mmc_hostname(host->mmc), host->dma.result);
- if (host->dma.result & DMOV_RSLT_FLUSH)
- pr_err("%s: DMA channel flushed (0x%.8x)\n",
- mmc_hostname(host->mmc), host->dma.result);
-
- pr_err("Flush data: %.8x %.8x %.8x %.8x %.8x %.8x\n",
- err.flush[0], err.flush[1], err.flush[2],
- err.flush[3], err.flush[4], err.flush[5]);
-
- msmsdcc_reset_and_restore(host);
- if (!mrq->data->error)
- mrq->data->error = -EIO;
- }
- dma_unmap_sg(mmc_dev(host->mmc), host->dma.sg, host->dma.num_ents,
- host->dma.dir);
-
- host->dma.sg = NULL;
- host->dma.busy = 0;
-
- if (host->curr.got_dataend || mrq->data->error) {
-
- /*
- * If we've already gotten our DATAEND / DATABLKEND
- * for this request, then complete it through here.
- */
- msmsdcc_stop_data(host);
-
- if (!mrq->data->error)
- host->curr.data_xfered = host->curr.xfer_size;
- if (!mrq->data->stop || mrq->cmd->error) {
- host->curr.mrq = NULL;
- host->curr.cmd = NULL;
- mrq->data->bytes_xfered = host->curr.data_xfered;
-
- spin_unlock_irqrestore(&host->lock, flags);
-#if BUSCLK_PWRSAVE
- msmsdcc_disable_clocks(host, 1);
-#endif
- mmc_request_done(host->mmc, mrq);
- return;
- } else
- msmsdcc_start_command(host, mrq->data->stop, 0);
- }
-
-out:
- spin_unlock_irqrestore(&host->lock, flags);
- return;
-}
-
-static void
-msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
- unsigned int result,
- struct msm_dmov_errdata *err)
-{
- struct msmsdcc_dma_data *dma_data =
- container_of(cmd, struct msmsdcc_dma_data, hdr);
- struct msmsdcc_host *host = dma_data->host;
-
- dma_data->result = result;
- if (err)
- memcpy(&dma_data->err, err, sizeof(struct msm_dmov_errdata));
-
- tasklet_schedule(&host->dma_tlet);
-}
-
-static int validate_dma(struct msmsdcc_host *host, struct mmc_data *data)
-{
- if (host->dma.channel == -1)
- return -ENOENT;
-
- if ((data->blksz * data->blocks) < MCI_FIFOSIZE)
- return -EINVAL;
- if ((data->blksz * data->blocks) % MCI_FIFOSIZE)
- return -EINVAL;
- return 0;
-}
-
-static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data)
-{
- struct msmsdcc_nc_dmadata *nc;
- dmov_box *box;
- uint32_t rows;
- uint32_t crci;
- unsigned int n;
- int i, rc;
- struct scatterlist *sg = data->sg;
-
- rc = validate_dma(host, data);
- if (rc)
- return rc;
-
- host->dma.sg = data->sg;
- host->dma.num_ents = data->sg_len;
-
- BUG_ON(host->dma.num_ents > NR_SG); /* Prevent memory corruption */
-
- nc = host->dma.nc;
-
- switch (host->pdev_id) {
- case 1:
- crci = MSMSDCC_CRCI_SDC1;
- break;
- case 2:
- crci = MSMSDCC_CRCI_SDC2;
- break;
- case 3:
- crci = MSMSDCC_CRCI_SDC3;
- break;
- case 4:
- crci = MSMSDCC_CRCI_SDC4;
- break;
- default:
- host->dma.sg = NULL;
- host->dma.num_ents = 0;
- return -ENOENT;
- }
-
- if (data->flags & MMC_DATA_READ)
- host->dma.dir = DMA_FROM_DEVICE;
- else
- host->dma.dir = DMA_TO_DEVICE;
-
- host->curr.user_pages = 0;
-
- box = &nc->cmd[0];
-
- /* location of command block must be 64 bit aligned */
- BUG_ON(host->dma.cmd_busaddr & 0x07);
-
- nc->cmdptr = (host->dma.cmd_busaddr >> 3) | CMD_PTR_LP;
- host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST |
- DMOV_CMD_ADDR(host->dma.cmdptr_busaddr);
- host->dma.hdr.complete_func = msmsdcc_dma_complete_func;
-
- n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg,
- host->dma.num_ents, host->dma.dir);
- if (n == 0) {
- pr_err("%s: Unable to map in all sg elements\n",
- mmc_hostname(host->mmc));
- host->dma.sg = NULL;
- host->dma.num_ents = 0;
- return -ENOMEM;
- }
-
- for_each_sg(host->dma.sg, sg, n, i) {
-
- box->cmd = CMD_MODE_BOX;
-
- if (i == n - 1)
- box->cmd |= CMD_LC;
- rows = (sg_dma_len(sg) % MCI_FIFOSIZE) ?
- (sg_dma_len(sg) / MCI_FIFOSIZE) + 1 :
- (sg_dma_len(sg) / MCI_FIFOSIZE) ;
-
- if (data->flags & MMC_DATA_READ) {
- box->src_row_addr = msmsdcc_fifo_addr(host);
- box->dst_row_addr = sg_dma_address(sg);
-
- box->src_dst_len = (MCI_FIFOSIZE << 16) |
- (MCI_FIFOSIZE);
- box->row_offset = MCI_FIFOSIZE;
-
- box->num_rows = rows * ((1 << 16) + 1);
- box->cmd |= CMD_SRC_CRCI(crci);
- } else {
- box->src_row_addr = sg_dma_address(sg);
- box->dst_row_addr = msmsdcc_fifo_addr(host);
-
- box->src_dst_len = (MCI_FIFOSIZE << 16) |
- (MCI_FIFOSIZE);
- box->row_offset = (MCI_FIFOSIZE << 16);
-
- box->num_rows = rows * ((1 << 16) + 1);
- box->cmd |= CMD_DST_CRCI(crci);
- }
- box++;
- }
-
- return 0;
-}
-
-static int
-snoop_cccr_abort(struct mmc_command *cmd)
-{
- if ((cmd->opcode == 52) &&
- (cmd->arg & 0x80000000) &&
- (((cmd->arg >> 9) & 0x1ffff) == SDIO_CCCR_ABORT))
- return 1;
- return 0;
-}
-
-static void
-msmsdcc_start_command_deferred(struct msmsdcc_host *host,
- struct mmc_command *cmd, u32 *c)
-{
- *c |= (cmd->opcode | MCI_CPSM_ENABLE);
-
- if (cmd->flags & MMC_RSP_PRESENT) {
- if (cmd->flags & MMC_RSP_136)
- *c |= MCI_CPSM_LONGRSP;
- *c |= MCI_CPSM_RESPONSE;
- }
-
- if (/*interrupt*/0)
- *c |= MCI_CPSM_INTERRUPT;
-
- if ((((cmd->opcode == 17) || (cmd->opcode == 18)) ||
- ((cmd->opcode == 24) || (cmd->opcode == 25))) ||
- (cmd->opcode == 53))
- *c |= MCI_CSPM_DATCMD;
-
- if (host->prog_scan && (cmd->opcode == 12)) {
- *c |= MCI_CPSM_PROGENA;
- host->prog_enable = true;
- }
-
- if (cmd == cmd->mrq->stop)
- *c |= MCI_CSPM_MCIABORT;
-
- if (snoop_cccr_abort(cmd))
- *c |= MCI_CSPM_MCIABORT;
-
- if (host->curr.cmd != NULL) {
- pr_err("%s: Overlapping command requests\n",
- mmc_hostname(host->mmc));
- }
- host->curr.cmd = cmd;
-}
-
-static void
-msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data,
- struct mmc_command *cmd, u32 c)
-{
- unsigned int datactrl, timeout;
- unsigned long long clks;
- unsigned int pio_irqmask = 0;
-
- host->curr.data = data;
- host->curr.xfer_size = data->blksz * data->blocks;
- host->curr.xfer_remain = host->curr.xfer_size;
- host->curr.data_xfered = 0;
- host->curr.got_dataend = 0;
-
- memset(&host->pio, 0, sizeof(host->pio));
-
- datactrl = MCI_DPSM_ENABLE | (data->blksz << 4);
-
- if (!msmsdcc_config_dma(host, data))
- datactrl |= MCI_DPSM_DMAENABLE;
- else {
- host->pio.sg = data->sg;
- host->pio.sg_len = data->sg_len;
- host->pio.sg_off = 0;
-
- if (data->flags & MMC_DATA_READ) {
- pio_irqmask = MCI_RXFIFOHALFFULLMASK;
- if (host->curr.xfer_remain < MCI_FIFOSIZE)
- pio_irqmask |= MCI_RXDATAAVLBLMASK;
- } else
- pio_irqmask = MCI_TXFIFOHALFEMPTYMASK;
- }
-
- if (data->flags & MMC_DATA_READ)
- datactrl |= MCI_DPSM_DIRECTION;
-
- clks = (unsigned long long)data->timeout_ns * host->clk_rate;
- do_div(clks, NSEC_PER_SEC);
- timeout = data->timeout_clks + (unsigned int)clks*2 ;
-
- if (datactrl & MCI_DPSM_DMAENABLE) {
- /* Save parameters for the exec function */
- host->cmd_timeout = timeout;
- host->cmd_pio_irqmask = pio_irqmask;
- host->cmd_datactrl = datactrl;
- host->cmd_cmd = cmd;
-
- host->dma.hdr.execute_func = msmsdcc_dma_exec_func;
- host->dma.hdr.data = (void *)host;
- host->dma.busy = 1;
-
- if (cmd) {
- msmsdcc_start_command_deferred(host, cmd, &c);
- host->cmd_c = c;
- }
- msm_dmov_enqueue_cmd(host->dma.channel, &host->dma.hdr);
- if (data->flags & MMC_DATA_WRITE)
- host->prog_scan = true;
- } else {
- msmsdcc_writel(host, timeout, MMCIDATATIMER);
-
- msmsdcc_writel(host, host->curr.xfer_size, MMCIDATALENGTH);
-
- msmsdcc_writel(host, (msmsdcc_readl(host, MMCIMASK0) &
- (~MCI_IRQ_PIO)) | pio_irqmask, MMCIMASK0);
-
- msmsdcc_writel(host, datactrl, MMCIDATACTRL);
-
- if (cmd) {
- /* Daisy-chain the command if requested */
- msmsdcc_start_command(host, cmd, c);
- }
- }
-}
-
-static void
-msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)
-{
- if (cmd == cmd->mrq->stop)
- c |= MCI_CSPM_MCIABORT;
-
- host->stats.cmds++;
-
- msmsdcc_start_command_deferred(host, cmd, &c);
- msmsdcc_start_command_exec(host, cmd->arg, c);
-}
-
-static void
-msmsdcc_data_err(struct msmsdcc_host *host, struct mmc_data *data,
- unsigned int status)
-{
- if (status & MCI_DATACRCFAIL) {
- pr_err("%s: Data CRC error\n", mmc_hostname(host->mmc));
- pr_err("%s: opcode 0x%.8x\n", __func__,
- data->mrq->cmd->opcode);
- pr_err("%s: blksz %d, blocks %d\n", __func__,
- data->blksz, data->blocks);
- data->error = -EILSEQ;
- } else if (status & MCI_DATATIMEOUT) {
- pr_err("%s: Data timeout\n", mmc_hostname(host->mmc));
- data->error = -ETIMEDOUT;
- } else if (status & MCI_RXOVERRUN) {
- pr_err("%s: RX overrun\n", mmc_hostname(host->mmc));
- data->error = -EIO;
- } else if (status & MCI_TXUNDERRUN) {
- pr_err("%s: TX underrun\n", mmc_hostname(host->mmc));
- data->error = -EIO;
- } else {
- pr_err("%s: Unknown error (0x%.8x)\n",
- mmc_hostname(host->mmc), status);
- data->error = -EIO;
- }
-}
-
-
-static int
-msmsdcc_pio_read(struct msmsdcc_host *host, char *buffer, unsigned int remain)
-{
- uint32_t *ptr = (uint32_t *) buffer;
- int count = 0;
-
- if (remain % 4)
- remain = ((remain >> 2) + 1) << 2;
-
- while (msmsdcc_readl(host, MMCISTATUS) & MCI_RXDATAAVLBL) {
- *ptr = msmsdcc_readl(host, MMCIFIFO + (count % MCI_FIFOSIZE));
- ptr++;
- count += sizeof(uint32_t);
-
- remain -= sizeof(uint32_t);
- if (remain == 0)
- break;
- }
- return count;
-}
-
-static int
-msmsdcc_pio_write(struct msmsdcc_host *host, char *buffer,
- unsigned int remain, u32 status)
-{
- void __iomem *base = host->base;
- char *ptr = buffer;
-
- do {
- unsigned int count, maxcnt, sz;
-
- maxcnt = status & MCI_TXFIFOEMPTY ? MCI_FIFOSIZE :
- MCI_FIFOHALFSIZE;
- count = min(remain, maxcnt);
-
- sz = count % 4 ? (count >> 2) + 1 : (count >> 2);
- writesl(base + MMCIFIFO, ptr, sz);
- ptr += count;
- remain -= count;
-
- if (remain == 0)
- break;
-
- status = msmsdcc_readl(host, MMCISTATUS);
- } while (status & MCI_TXFIFOHALFEMPTY);
-
- return ptr - buffer;
-}
-
-static int
-msmsdcc_spin_on_status(struct msmsdcc_host *host, uint32_t mask, int maxspin)
-{
- while (maxspin) {
- if ((msmsdcc_readl(host, MMCISTATUS) & mask))
- return 0;
- udelay(1);
- --maxspin;
- }
- return -ETIMEDOUT;
-}
-
-static irqreturn_t
-msmsdcc_pio_irq(int irq, void *dev_id)
-{
- struct msmsdcc_host *host = dev_id;
- uint32_t status;
- u32 mci_mask0;
-
- status = msmsdcc_readl(host, MMCISTATUS);
- mci_mask0 = msmsdcc_readl(host, MMCIMASK0);
-
- if (((mci_mask0 & status) & MCI_IRQ_PIO) == 0)
- return IRQ_NONE;
-
- do {
- unsigned long flags;
- unsigned int remain, len;
- char *buffer;
-
- if (!(status & (MCI_TXFIFOHALFEMPTY | MCI_RXDATAAVLBL))) {
- if (host->curr.xfer_remain == 0 || !msmsdcc_piopoll)
- break;
-
- if (msmsdcc_spin_on_status(host,
- (MCI_TXFIFOHALFEMPTY |
- MCI_RXDATAAVLBL),
- PIO_SPINMAX)) {
- break;
- }
- }
-
- /* Map the current scatter buffer */
- local_irq_save(flags);
- buffer = kmap_atomic(sg_page(host->pio.sg))
- + host->pio.sg->offset;
- buffer += host->pio.sg_off;
- remain = host->pio.sg->length - host->pio.sg_off;
- len = 0;
- if (status & MCI_RXACTIVE)
- len = msmsdcc_pio_read(host, buffer, remain);
- if (status & MCI_TXACTIVE)
- len = msmsdcc_pio_write(host, buffer, remain, status);
-
- /* Unmap the buffer */
- kunmap_atomic(buffer);
- local_irq_restore(flags);
-
- host->pio.sg_off += len;
- host->curr.xfer_remain -= len;
- host->curr.data_xfered += len;
- remain -= len;
-
- if (remain == 0) {
- /* This sg page is full - do some housekeeping */
- if (status & MCI_RXACTIVE && host->curr.user_pages)
- flush_dcache_page(sg_page(host->pio.sg));
-
- if (!--host->pio.sg_len) {
- memset(&host->pio, 0, sizeof(host->pio));
- break;
- }
-
- /* Advance to next sg */
- host->pio.sg++;
- host->pio.sg_off = 0;
- }
-
- status = msmsdcc_readl(host, MMCISTATUS);
- } while (1);
-
- if (status & MCI_RXACTIVE && host->curr.xfer_remain < MCI_FIFOSIZE)
- msmsdcc_writel(host, (mci_mask0 & (~MCI_IRQ_PIO)) |
- MCI_RXDATAAVLBLMASK, MMCIMASK0);
-
- if (!host->curr.xfer_remain)
- msmsdcc_writel(host, (mci_mask0 & (~MCI_IRQ_PIO)) | 0,
- MMCIMASK0);
-
- return IRQ_HANDLED;
-}
-
-static void msmsdcc_do_cmdirq(struct msmsdcc_host *host, uint32_t status)
-{
- struct mmc_command *cmd = host->curr.cmd;
-
- host->curr.cmd = NULL;
- cmd->resp[0] = msmsdcc_readl(host, MMCIRESPONSE0);
- cmd->resp[1] = msmsdcc_readl(host, MMCIRESPONSE1);
- cmd->resp[2] = msmsdcc_readl(host, MMCIRESPONSE2);
- cmd->resp[3] = msmsdcc_readl(host, MMCIRESPONSE3);
-
- if (status & MCI_CMDTIMEOUT) {
- cmd->error = -ETIMEDOUT;
- } else if (status & MCI_CMDCRCFAIL &&
- cmd->flags & MMC_RSP_CRC) {
- pr_err("%s: Command CRC error\n", mmc_hostname(host->mmc));
- cmd->error = -EILSEQ;
- }
-
- if (!cmd->data || cmd->error) {
- if (host->curr.data && host->dma.sg)
- msm_dmov_stop_cmd(host->dma.channel,
- &host->dma.hdr, 0);
- else if (host->curr.data) { /* Non DMA */
- msmsdcc_reset_and_restore(host);
- msmsdcc_stop_data(host);
- msmsdcc_request_end(host, cmd->mrq);
- } else { /* host->data == NULL */
- if (!cmd->error && host->prog_enable) {
- if (status & MCI_PROGDONE) {
- host->prog_scan = false;
- host->prog_enable = false;
- msmsdcc_request_end(host, cmd->mrq);
- } else {
- host->curr.cmd = cmd;
- }
- } else {
- if (host->prog_enable) {
- host->prog_scan = false;
- host->prog_enable = false;
- }
- msmsdcc_request_end(host, cmd->mrq);
- }
- }
- } else if (cmd->data)
- if (!(cmd->data->flags & MMC_DATA_READ))
- msmsdcc_start_data(host, cmd->data,
- NULL, 0);
-}
-
-static void
-msmsdcc_handle_irq_data(struct msmsdcc_host *host, u32 status,
- void __iomem *base)
-{
- struct mmc_data *data = host->curr.data;
-
- if (status & (MCI_CMDSENT | MCI_CMDRESPEND | MCI_CMDCRCFAIL |
- MCI_CMDTIMEOUT | MCI_PROGDONE) && host->curr.cmd) {
- msmsdcc_do_cmdirq(host, status);
- }
-
- if (!data)
- return;
-
- /* Check for data errors */
- if (status & (MCI_DATACRCFAIL | MCI_DATATIMEOUT |
- MCI_TXUNDERRUN | MCI_RXOVERRUN)) {
- msmsdcc_data_err(host, data, status);
- host->curr.data_xfered = 0;
- if (host->dma.sg)
- msm_dmov_stop_cmd(host->dma.channel,
- &host->dma.hdr, 0);
- else {
- msmsdcc_reset_and_restore(host);
- if (host->curr.data)
- msmsdcc_stop_data(host);
- if (!data->stop)
- msmsdcc_request_end(host, data->mrq);
- else
- msmsdcc_start_command(host, data->stop, 0);
- }
- }
-
- /* Check for data done */
- if (!host->curr.got_dataend && (status & MCI_DATAEND))
- host->curr.got_dataend = 1;
-
- /*
- * If DMA is still in progress, we complete via the completion handler
- */
- if (host->curr.got_dataend && !host->dma.busy) {
- /*
- * There appears to be an issue in the controller where
- * if you request a small block transfer (< fifo size),
- * you may get your DATAEND/DATABLKEND irq without the
- * PIO data irq.
- *
- * Check to see if there is still data to be read,
- * and simulate a PIO irq.
- */
- if (readl(base + MMCISTATUS) & MCI_RXDATAAVLBL)
- msmsdcc_pio_irq(1, host);
-
- msmsdcc_stop_data(host);
- if (!data->error)
- host->curr.data_xfered = host->curr.xfer_size;
-
- if (!data->stop)
- msmsdcc_request_end(host, data->mrq);
- else
- msmsdcc_start_command(host, data->stop, 0);
- }
-}
-
-static irqreturn_t
-msmsdcc_irq(int irq, void *dev_id)
-{
- struct msmsdcc_host *host = dev_id;
- void __iomem *base = host->base;
- u32 status;
- int ret = 0;
- int cardint = 0;
-
- spin_lock(&host->lock);
-
- do {
- status = msmsdcc_readl(host, MMCISTATUS);
- status &= msmsdcc_readl(host, MMCIMASK0);
- if ((status & (~MCI_IRQ_PIO)) == 0)
- break;
- msmsdcc_writel(host, status, MMCICLEAR);
-
- if (status & MCI_SDIOINTR)
- status &= ~MCI_SDIOINTR;
-
- if (!status)
- break;
-
- msmsdcc_handle_irq_data(host, status, base);
-
- if (status & MCI_SDIOINTOPER) {
- cardint = 1;
- status &= ~MCI_SDIOINTOPER;
- }
- ret = 1;
- } while (status);
-
- spin_unlock(&host->lock);
-
- /*
- * We have to delay handling the card interrupt as it calls
- * back into the driver.
- */
- if (cardint)
- mmc_signal_sdio_irq(host->mmc);
-
- return IRQ_RETVAL(ret);
-}
-
-static void
-msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
-{
- struct msmsdcc_host *host = mmc_priv(mmc);
- unsigned long flags;
-
- WARN_ON(host->curr.mrq != NULL);
- WARN_ON(host->pwr == 0);
-
- spin_lock_irqsave(&host->lock, flags);
-
- host->stats.reqs++;
-
- if (host->eject) {
- if (mrq->data && !(mrq->data->flags & MMC_DATA_READ)) {
- mrq->cmd->error = 0;
- mrq->data->bytes_xfered = mrq->data->blksz *
- mrq->data->blocks;
- } else
- mrq->cmd->error = -ENOMEDIUM;
-
- spin_unlock_irqrestore(&host->lock, flags);
- mmc_request_done(mmc, mrq);
- return;
- }
-
- msmsdcc_enable_clocks(host);
-
- host->curr.mrq = mrq;
-
- if (mrq->data && mrq->data->flags & MMC_DATA_READ)
- /* Queue/read data, daisy-chain command when data starts */
- msmsdcc_start_data(host, mrq->data, mrq->cmd, 0);
- else
- msmsdcc_start_command(host, mrq->cmd, 0);
-
- if (host->cmdpoll && !msmsdcc_spin_on_status(host,
- MCI_CMDRESPEND|MCI_CMDCRCFAIL|MCI_CMDTIMEOUT,
- CMD_SPINMAX)) {
- uint32_t status = msmsdcc_readl(host, MMCISTATUS);
- msmsdcc_do_cmdirq(host, status);
- msmsdcc_writel(host,
- MCI_CMDRESPEND | MCI_CMDCRCFAIL | MCI_CMDTIMEOUT,
- MMCICLEAR);
- host->stats.cmdpoll_hits++;
- } else {
- host->stats.cmdpoll_misses++;
- }
- spin_unlock_irqrestore(&host->lock, flags);
-}
-
-static void msmsdcc_setup_gpio(struct msmsdcc_host *host, bool enable)
-{
- struct msm_mmc_gpio_data *curr;
- int i, rc = 0;
-
- if (!host->plat->gpio_data || host->gpio_config_status == enable)
- return;
-
- curr = host->plat->gpio_data;
- for (i = 0; i < curr->size; i++) {
- if (enable) {
- rc = gpio_request(curr->gpio[i].no,
- curr->gpio[i].name);
- if (rc) {
- pr_err("%s: gpio_request(%d, %s) failed %d\n",
- mmc_hostname(host->mmc),
- curr->gpio[i].no,
- curr->gpio[i].name, rc);
- goto free_gpios;
- }
- } else {
- gpio_free(curr->gpio[i].no);
- }
- }
- host->gpio_config_status = enable;
- return;
-
-free_gpios:
- for (; i >= 0; i--)
- gpio_free(curr->gpio[i].no);
-}
-
-static void
-msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
-{
- struct msmsdcc_host *host = mmc_priv(mmc);
- u32 clk = 0, pwr = 0;
- int rc;
- unsigned long flags;
-
- spin_lock_irqsave(&host->lock, flags);
-
- msmsdcc_enable_clocks(host);
-
- spin_unlock_irqrestore(&host->lock, flags);
-
- if (ios->clock) {
- if (ios->clock != host->clk_rate) {
- rc = clk_set_rate(host->clk, ios->clock);
- if (rc < 0)
- pr_err("%s: Error setting clock rate (%d)\n",
- mmc_hostname(host->mmc), rc);
- else
- host->clk_rate = ios->clock;
- }
- clk |= MCI_CLK_ENABLE;
- }
-
- if (ios->bus_width == MMC_BUS_WIDTH_4)
- clk |= (2 << 10); /* Set WIDEBUS */
-
- if (ios->clock > 400000 && msmsdcc_pwrsave)
- clk |= (1 << 9); /* PWRSAVE */
-
- clk |= (1 << 12); /* FLOW_ENA */
- clk |= (1 << 15); /* feedback clock */
-
- if (host->plat->translate_vdd)
- pwr |= host->plat->translate_vdd(mmc_dev(mmc), ios->vdd);
-
- switch (ios->power_mode) {
- case MMC_POWER_OFF:
- msmsdcc_setup_gpio(host, false);
- break;
- case MMC_POWER_UP:
- pwr |= MCI_PWR_UP;
- msmsdcc_setup_gpio(host, true);
- break;
- case MMC_POWER_ON:
- pwr |= MCI_PWR_ON;
- break;
- }
-
- if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN)
- pwr |= MCI_OD;
-
- msmsdcc_writel(host, clk, MMCICLOCK);
-
- if (host->pwr != pwr) {
- host->pwr = pwr;
- msmsdcc_writel(host, pwr, MMCIPOWER);
- }
-#if BUSCLK_PWRSAVE
- spin_lock_irqsave(&host->lock, flags);
- msmsdcc_disable_clocks(host, 1);
- spin_unlock_irqrestore(&host->lock, flags);
-#endif
-}
-
-static void msmsdcc_enable_sdio_irq(struct mmc_host *mmc, int enable)
-{
- struct msmsdcc_host *host = mmc_priv(mmc);
- unsigned long flags;
- u32 status;
-
- spin_lock_irqsave(&host->lock, flags);
- if (msmsdcc_sdioirq == 1) {
- status = msmsdcc_readl(host, MMCIMASK0);
- if (enable)
- status |= MCI_SDIOINTOPERMASK;
- else
- status &= ~MCI_SDIOINTOPERMASK;
- host->saved_irq0mask = status;
- msmsdcc_writel(host, status, MMCIMASK0);
- }
- spin_unlock_irqrestore(&host->lock, flags);
-}
-
-static void msmsdcc_init_card(struct mmc_host *mmc, struct mmc_card *card)
-{
- struct msmsdcc_host *host = mmc_priv(mmc);
-
- if (host->plat->init_card)
- host->plat->init_card(card);
-}
-
-static const struct mmc_host_ops msmsdcc_ops = {
- .request = msmsdcc_request,
- .set_ios = msmsdcc_set_ios,
- .enable_sdio_irq = msmsdcc_enable_sdio_irq,
- .init_card = msmsdcc_init_card,
-};
-
-static void
-msmsdcc_check_status(unsigned long data)
-{
- struct msmsdcc_host *host = (struct msmsdcc_host *)data;
- unsigned int status;
-
- if (!host->plat->status) {
- mmc_detect_change(host->mmc, 0);
- goto out;
- }
-
- status = host->plat->status(mmc_dev(host->mmc));
- host->eject = !status;
- if (status ^ host->oldstat) {
- pr_info("%s: Slot status change detected (%d -> %d)\n",
- mmc_hostname(host->mmc), host->oldstat, status);
- if (status)
- mmc_detect_change(host->mmc, (5 * HZ) / 2);
- else
- mmc_detect_change(host->mmc, 0);
- }
-
- host->oldstat = status;
-
-out:
- if (host->timer.function)
- mod_timer(&host->timer, jiffies + HZ);
-}
-
-static irqreturn_t
-msmsdcc_platform_status_irq(int irq, void *dev_id)
-{
- struct msmsdcc_host *host = dev_id;
-
- pr_debug("%s: %d\n", __func__, irq);
- msmsdcc_check_status((unsigned long) host);
- return IRQ_HANDLED;
-}
-
-static void
-msmsdcc_status_notify_cb(int card_present, void *dev_id)
-{
- struct msmsdcc_host *host = dev_id;
-
- pr_debug("%s: card_present %d\n", mmc_hostname(host->mmc),
- card_present);
- msmsdcc_check_status((unsigned long) host);
-}
-
-static void
-msmsdcc_busclk_expired(unsigned long _data)
-{
- struct msmsdcc_host *host = (struct msmsdcc_host *) _data;
-
- if (host->clks_on)
- msmsdcc_disable_clocks(host, 0);
-}
-
-static int
-msmsdcc_init_dma(struct msmsdcc_host *host)
-{
- memset(&host->dma, 0, sizeof(struct msmsdcc_dma_data));
- host->dma.host = host;
- host->dma.channel = -1;
-
- if (!host->dmares)
- return -ENODEV;
-
- host->dma.nc = dma_alloc_coherent(NULL,
- sizeof(struct msmsdcc_nc_dmadata),
- &host->dma.nc_busaddr,
- GFP_KERNEL);
- if (host->dma.nc == NULL) {
- pr_err("Unable to allocate DMA buffer\n");
- return -ENOMEM;
- }
- memset(host->dma.nc, 0x00, sizeof(struct msmsdcc_nc_dmadata));
- host->dma.cmd_busaddr = host->dma.nc_busaddr;
- host->dma.cmdptr_busaddr = host->dma.nc_busaddr +
- offsetof(struct msmsdcc_nc_dmadata, cmdptr);
- host->dma.channel = host->dmares->start;
-
- return 0;
-}
-
-static int
-msmsdcc_probe(struct platform_device *pdev)
-{
- struct msm_mmc_platform_data *plat = pdev->dev.platform_data;
- struct msmsdcc_host *host;
- struct mmc_host *mmc;
- struct resource *cmd_irqres = NULL;
- struct resource *stat_irqres = NULL;
- struct resource *memres = NULL;
- struct resource *dmares = NULL;
- int ret;
-
- /* must have platform data */
- if (!plat) {
- pr_err("%s: Platform data not available\n", __func__);
- ret = -EINVAL;
- goto out;
- }
-
- if (pdev->id < 1 || pdev->id > 4)
- return -EINVAL;
-
- if (pdev->resource == NULL || pdev->num_resources < 2) {
- pr_err("%s: Invalid resource\n", __func__);
- return -ENXIO;
- }
-
- memres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- cmd_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- "cmd_irq");
- stat_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- "status_irq");
-
- if (!cmd_irqres || !memres) {
- pr_err("%s: Invalid resource\n", __func__);
- return -ENXIO;
- }
-
- /*
- * Setup our host structure
- */
-
- mmc = mmc_alloc_host(sizeof(struct msmsdcc_host), &pdev->dev);
- if (!mmc) {
- ret = -ENOMEM;
- goto out;
- }
-
- host = mmc_priv(mmc);
- host->pdev_id = pdev->id;
- host->plat = plat;
- host->mmc = mmc;
- host->curr.cmd = NULL;
- init_timer(&host->busclk_timer);
- host->busclk_timer.data = (unsigned long) host;
- host->busclk_timer.function = msmsdcc_busclk_expired;
-
-
- host->cmdpoll = 1;
-
- host->base = ioremap(memres->start, PAGE_SIZE);
- if (!host->base) {
- ret = -ENOMEM;
- goto host_free;
- }
-
- host->cmd_irqres = cmd_irqres;
- host->memres = memres;
- host->dmares = dmares;
- spin_lock_init(&host->lock);
-
- tasklet_init(&host->dma_tlet, msmsdcc_dma_complete_tlet,
- (unsigned long)host);
-
- /*
- * Setup DMA
- */
- if (host->dmares) {
- ret = msmsdcc_init_dma(host);
- if (ret)
- goto ioremap_free;
- } else {
- host->dma.channel = -1;
- }
-
- /* Get our clocks */
- host->pclk = clk_get(&pdev->dev, "sdc_pclk");
- if (IS_ERR(host->pclk)) {
- ret = PTR_ERR(host->pclk);
- goto dma_free;
- }
-
- host->clk = clk_get(&pdev->dev, "sdc_clk");
- if (IS_ERR(host->clk)) {
- ret = PTR_ERR(host->clk);
- goto pclk_put;
- }
-
- ret = clk_set_rate(host->clk, msmsdcc_fmin);
- if (ret) {
- pr_err("%s: Clock rate set failed (%d)\n", __func__, ret);
- goto clk_put;
- }
-
- ret = clk_prepare(host->pclk);
- if (ret)
- goto clk_put;
-
- ret = clk_prepare(host->clk);
- if (ret)
- goto clk_unprepare_p;
-
- /* Enable clocks */
- ret = msmsdcc_enable_clocks(host);
- if (ret)
- goto clk_unprepare;
-
- host->pclk_rate = clk_get_rate(host->pclk);
- host->clk_rate = clk_get_rate(host->clk);
-
- /*
- * Setup MMC host structure
- */
- mmc->ops = &msmsdcc_ops;
- mmc->f_min = msmsdcc_fmin;
- mmc->f_max = msmsdcc_fmax;
- mmc->ocr_avail = plat->ocr_mask;
-
- if (msmsdcc_4bit)
- mmc->caps |= MMC_CAP_4_BIT_DATA;
- if (msmsdcc_sdioirq)
- mmc->caps |= MMC_CAP_SDIO_IRQ;
- mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED;
-
- mmc->max_segs = NR_SG;
- mmc->max_blk_size = 4096; /* MCI_DATA_CTL BLOCKSIZE up to 4096 */
- mmc->max_blk_count = 65536;
-
- mmc->max_req_size = 33554432; /* MCI_DATA_LENGTH is 25 bits */
- mmc->max_seg_size = mmc->max_req_size;
-
- msmsdcc_writel(host, 0, MMCIMASK0);
- msmsdcc_writel(host, 0x5e007ff, MMCICLEAR);
-
- msmsdcc_writel(host, MCI_IRQENABLE, MMCIMASK0);
- host->saved_irq0mask = MCI_IRQENABLE;
-
- /*
- * Setup card detect change
- */
-
- memset(&host->timer, 0, sizeof(host->timer));
-
- if (stat_irqres && !(stat_irqres->flags & IORESOURCE_DISABLED)) {
- unsigned long irqflags = IRQF_SHARED |
- (stat_irqres->flags & IRQF_TRIGGER_MASK);
-
- host->stat_irq = stat_irqres->start;
- ret = request_irq(host->stat_irq,
- msmsdcc_platform_status_irq,
- irqflags,
- DRIVER_NAME " (slot)",
- host);
- if (ret) {
- pr_err("%s: Unable to get slot IRQ %d (%d)\n",
- mmc_hostname(mmc), host->stat_irq, ret);
- goto clk_disable;
- }
- } else if (plat->register_status_notify) {
- plat->register_status_notify(msmsdcc_status_notify_cb, host);
- } else if (!plat->status)
- pr_err("%s: No card detect facilities available\n",
- mmc_hostname(mmc));
- else {
- init_timer(&host->timer);
- host->timer.data = (unsigned long)host;
- host->timer.function = msmsdcc_check_status;
- host->timer.expires = jiffies + HZ;
- add_timer(&host->timer);
- }
-
- if (plat->status) {
- host->oldstat = host->plat->status(mmc_dev(host->mmc));
- host->eject = !host->oldstat;
- }
-
- ret = request_irq(cmd_irqres->start, msmsdcc_irq, IRQF_SHARED,
- DRIVER_NAME " (cmd)", host);
- if (ret)
- goto stat_irq_free;
-
- ret = request_irq(cmd_irqres->start, msmsdcc_pio_irq, IRQF_SHARED,
- DRIVER_NAME " (pio)", host);
- if (ret)
- goto cmd_irq_free;
-
- platform_set_drvdata(pdev, mmc);
- mmc_add_host(mmc);
-
- pr_info("%s: Qualcomm MSM SDCC at 0x%016llx irq %d,%d dma %d\n",
- mmc_hostname(mmc), (unsigned long long)memres->start,
- (unsigned int) cmd_irqres->start,
- (unsigned int) host->stat_irq, host->dma.channel);
- pr_info("%s: 4 bit data mode %s\n", mmc_hostname(mmc),
- (mmc->caps & MMC_CAP_4_BIT_DATA ? "enabled" : "disabled"));
- pr_info("%s: MMC clock %u -> %u Hz, PCLK %u Hz\n",
- mmc_hostname(mmc), msmsdcc_fmin, msmsdcc_fmax, host->pclk_rate);
- pr_info("%s: Slot eject status = %d\n", mmc_hostname(mmc), host->eject);
- pr_info("%s: Power save feature enable = %d\n",
- mmc_hostname(mmc), msmsdcc_pwrsave);
-
- if (host->dma.channel != -1) {
- pr_info("%s: DM non-cached buffer at %p, dma_addr 0x%.8x\n",
- mmc_hostname(mmc), host->dma.nc, host->dma.nc_busaddr);
- pr_info("%s: DM cmd busaddr 0x%.8x, cmdptr busaddr 0x%.8x\n",
- mmc_hostname(mmc), host->dma.cmd_busaddr,
- host->dma.cmdptr_busaddr);
- } else
- pr_info("%s: PIO transfer enabled\n", mmc_hostname(mmc));
- if (host->timer.function)
- pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc));
-
- return 0;
- cmd_irq_free:
- free_irq(cmd_irqres->start, host);
- stat_irq_free:
- if (host->stat_irq)
- free_irq(host->stat_irq, host);
- clk_disable:
- msmsdcc_disable_clocks(host, 0);
- clk_unprepare:
- clk_unprepare(host->clk);
- clk_unprepare_p:
- clk_unprepare(host->pclk);
- clk_put:
- clk_put(host->clk);
- pclk_put:
- clk_put(host->pclk);
-dma_free:
- if (host->dmares)
- dma_free_coherent(NULL, sizeof(struct msmsdcc_nc_dmadata),
- host->dma.nc, host->dma.nc_busaddr);
-ioremap_free:
- tasklet_kill(&host->dma_tlet);
- iounmap(host->base);
- host_free:
- mmc_free_host(mmc);
- out:
- return ret;
-}
-
-#ifdef CONFIG_PM
-static int
-msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
-{
- struct mmc_host *mmc = platform_get_drvdata(dev);
-
- if (mmc) {
- struct msmsdcc_host *host = mmc_priv(mmc);
-
- if (host->stat_irq)
- disable_irq(host->stat_irq);
-
- msmsdcc_writel(host, 0, MMCIMASK0);
- if (host->clks_on)
- msmsdcc_disable_clocks(host, 0);
- }
- return 0;
-}
-
-static int
-msmsdcc_resume(struct platform_device *dev)
-{
- struct mmc_host *mmc = platform_get_drvdata(dev);
-
- if (mmc) {
- struct msmsdcc_host *host = mmc_priv(mmc);
-
- msmsdcc_enable_clocks(host);
-
- msmsdcc_writel(host, host->saved_irq0mask, MMCIMASK0);
-
- if (host->stat_irq)
- enable_irq(host->stat_irq);
-#if BUSCLK_PWRSAVE
- msmsdcc_disable_clocks(host, 1);
-#endif
- }
- return 0;
-}
-#else
-#define msmsdcc_suspend 0
-#define msmsdcc_resume 0
-#endif
-
-static struct platform_driver msmsdcc_driver = {
- .probe = msmsdcc_probe,
- .suspend = msmsdcc_suspend,
- .resume = msmsdcc_resume,
- .driver = {
- .name = "msm_sdcc",
- },
-};
-
-module_platform_driver(msmsdcc_driver);
-
-MODULE_DESCRIPTION("Qualcomm MSM 7X00A Multimedia Card Interface driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/host/msm_sdcc.h b/drivers/mmc/host/msm_sdcc.h
deleted file mode 100644
index 402028d16b86..000000000000
--- a/drivers/mmc/host/msm_sdcc.h
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * linux/drivers/mmc/host/msmsdcc.h - QCT MSM7K SDC Controller
- *
- * Copyright (C) 2008 Google, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * - Based on mmci.h
- */
-
-#ifndef _MSM_SDCC_H
-#define _MSM_SDCC_H
-
-#define MSMSDCC_CRCI_SDC1 6
-#define MSMSDCC_CRCI_SDC2 7
-#define MSMSDCC_CRCI_SDC3 12
-#define MSMSDCC_CRCI_SDC4 13
-
-#define MMCIPOWER 0x000
-#define MCI_PWR_OFF 0x00
-#define MCI_PWR_UP 0x02
-#define MCI_PWR_ON 0x03
-#define MCI_OD (1 << 6)
-
-#define MMCICLOCK 0x004
-#define MCI_CLK_ENABLE (1 << 8)
-#define MCI_CLK_PWRSAVE (1 << 9)
-#define MCI_CLK_WIDEBUS (1 << 10)
-#define MCI_CLK_FLOWENA (1 << 12)
-#define MCI_CLK_INVERTOUT (1 << 13)
-#define MCI_CLK_SELECTIN (1 << 14)
-
-#define MMCIARGUMENT 0x008
-#define MMCICOMMAND 0x00c
-#define MCI_CPSM_RESPONSE (1 << 6)
-#define MCI_CPSM_LONGRSP (1 << 7)
-#define MCI_CPSM_INTERRUPT (1 << 8)
-#define MCI_CPSM_PENDING (1 << 9)
-#define MCI_CPSM_ENABLE (1 << 10)
-#define MCI_CPSM_PROGENA (1 << 11)
-#define MCI_CSPM_DATCMD (1 << 12)
-#define MCI_CSPM_MCIABORT (1 << 13)
-#define MCI_CSPM_CCSENABLE (1 << 14)
-#define MCI_CSPM_CCSDISABLE (1 << 15)
-
-
-#define MMCIRESPCMD 0x010
-#define MMCIRESPONSE0 0x014
-#define MMCIRESPONSE1 0x018
-#define MMCIRESPONSE2 0x01c
-#define MMCIRESPONSE3 0x020
-#define MMCIDATATIMER 0x024
-#define MMCIDATALENGTH 0x028
-
-#define MMCIDATACTRL 0x02c
-#define MCI_DPSM_ENABLE (1 << 0)
-#define MCI_DPSM_DIRECTION (1 << 1)
-#define MCI_DPSM_MODE (1 << 2)
-#define MCI_DPSM_DMAENABLE (1 << 3)
-
-#define MMCIDATACNT 0x030
-#define MMCISTATUS 0x034
-#define MCI_CMDCRCFAIL (1 << 0)
-#define MCI_DATACRCFAIL (1 << 1)
-#define MCI_CMDTIMEOUT (1 << 2)
-#define MCI_DATATIMEOUT (1 << 3)
-#define MCI_TXUNDERRUN (1 << 4)
-#define MCI_RXOVERRUN (1 << 5)
-#define MCI_CMDRESPEND (1 << 6)
-#define MCI_CMDSENT (1 << 7)
-#define MCI_DATAEND (1 << 8)
-#define MCI_DATABLOCKEND (1 << 10)
-#define MCI_CMDACTIVE (1 << 11)
-#define MCI_TXACTIVE (1 << 12)
-#define MCI_RXACTIVE (1 << 13)
-#define MCI_TXFIFOHALFEMPTY (1 << 14)
-#define MCI_RXFIFOHALFFULL (1 << 15)
-#define MCI_TXFIFOFULL (1 << 16)
-#define MCI_RXFIFOFULL (1 << 17)
-#define MCI_TXFIFOEMPTY (1 << 18)
-#define MCI_RXFIFOEMPTY (1 << 19)
-#define MCI_TXDATAAVLBL (1 << 20)
-#define MCI_RXDATAAVLBL (1 << 21)
-#define MCI_SDIOINTR (1 << 22)
-#define MCI_PROGDONE (1 << 23)
-#define MCI_ATACMDCOMPL (1 << 24)
-#define MCI_SDIOINTOPER (1 << 25)
-#define MCI_CCSTIMEOUT (1 << 26)
-
-#define MMCICLEAR 0x038
-#define MCI_CMDCRCFAILCLR (1 << 0)
-#define MCI_DATACRCFAILCLR (1 << 1)
-#define MCI_CMDTIMEOUTCLR (1 << 2)
-#define MCI_DATATIMEOUTCLR (1 << 3)
-#define MCI_TXUNDERRUNCLR (1 << 4)
-#define MCI_RXOVERRUNCLR (1 << 5)
-#define MCI_CMDRESPENDCLR (1 << 6)
-#define MCI_CMDSENTCLR (1 << 7)
-#define MCI_DATAENDCLR (1 << 8)
-#define MCI_DATABLOCKENDCLR (1 << 10)
-
-#define MMCIMASK0 0x03c
-#define MCI_CMDCRCFAILMASK (1 << 0)
-#define MCI_DATACRCFAILMASK (1 << 1)
-#define MCI_CMDTIMEOUTMASK (1 << 2)
-#define MCI_DATATIMEOUTMASK (1 << 3)
-#define MCI_TXUNDERRUNMASK (1 << 4)
-#define MCI_RXOVERRUNMASK (1 << 5)
-#define MCI_CMDRESPENDMASK (1 << 6)
-#define MCI_CMDSENTMASK (1 << 7)
-#define MCI_DATAENDMASK (1 << 8)
-#define MCI_DATABLOCKENDMASK (1 << 10)
-#define MCI_CMDACTIVEMASK (1 << 11)
-#define MCI_TXACTIVEMASK (1 << 12)
-#define MCI_RXACTIVEMASK (1 << 13)
-#define MCI_TXFIFOHALFEMPTYMASK (1 << 14)
-#define MCI_RXFIFOHALFFULLMASK (1 << 15)
-#define MCI_TXFIFOFULLMASK (1 << 16)
-#define MCI_RXFIFOFULLMASK (1 << 17)
-#define MCI_TXFIFOEMPTYMASK (1 << 18)
-#define MCI_RXFIFOEMPTYMASK (1 << 19)
-#define MCI_TXDATAAVLBLMASK (1 << 20)
-#define MCI_RXDATAAVLBLMASK (1 << 21)
-#define MCI_SDIOINTMASK (1 << 22)
-#define MCI_PROGDONEMASK (1 << 23)
-#define MCI_ATACMDCOMPLMASK (1 << 24)
-#define MCI_SDIOINTOPERMASK (1 << 25)
-#define MCI_CCSTIMEOUTMASK (1 << 26)
-
-#define MMCIMASK1 0x040
-#define MMCIFIFOCNT 0x044
-#define MCICCSTIMER 0x058
-
-#define MMCIFIFO 0x080 /* to 0x0bc */
-
-#define MCI_IRQENABLE \
- (MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK| \
- MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
- MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATAENDMASK|MCI_PROGDONEMASK)
-
-#define MCI_IRQ_PIO \
- (MCI_RXDATAAVLBLMASK | MCI_TXDATAAVLBLMASK | MCI_RXFIFOEMPTYMASK | \
- MCI_TXFIFOEMPTYMASK | MCI_RXFIFOFULLMASK | MCI_TXFIFOFULLMASK | \
- MCI_RXFIFOHALFFULLMASK | MCI_TXFIFOHALFEMPTYMASK | \
- MCI_RXACTIVEMASK | MCI_TXACTIVEMASK)
-/*
- * The size of the FIFO in bytes.
- */
-#define MCI_FIFOSIZE (16*4)
-
-#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)
-
-#define NR_SG 32
-
-struct clk;
-
-struct msmsdcc_nc_dmadata {
- dmov_box cmd[NR_SG];
- uint32_t cmdptr;
-};
-
-struct msmsdcc_dma_data {
- struct msmsdcc_nc_dmadata *nc;
- dma_addr_t nc_busaddr;
- dma_addr_t cmd_busaddr;
- dma_addr_t cmdptr_busaddr;
-
- struct msm_dmov_cmd hdr;
- enum dma_data_direction dir;
-
- struct scatterlist *sg;
- int num_ents;
-
- int channel;
- struct msmsdcc_host *host;
- int busy; /* Set if DM is busy */
- int active;
- unsigned int result;
- struct msm_dmov_errdata err;
-};
-
-struct msmsdcc_pio_data {
- struct scatterlist *sg;
- unsigned int sg_len;
- unsigned int sg_off;
-};
-
-struct msmsdcc_curr_req {
- struct mmc_request *mrq;
- struct mmc_command *cmd;
- struct mmc_data *data;
- unsigned int xfer_size; /* Total data size */
- unsigned int xfer_remain; /* Bytes remaining to send */
- unsigned int data_xfered; /* Bytes acked by BLKEND irq */
- int got_dataend;
- int user_pages;
-};
-
-struct msmsdcc_stats {
- unsigned int reqs;
- unsigned int cmds;
- unsigned int cmdpoll_hits;
- unsigned int cmdpoll_misses;
-};
-
-struct msmsdcc_host {
- struct resource *cmd_irqres;
- struct resource *memres;
- struct resource *dmares;
- void __iomem *base;
- int pdev_id;
- unsigned int stat_irq;
-
- struct msmsdcc_curr_req curr;
-
- struct mmc_host *mmc;
- struct clk *clk; /* main MMC bus clock */
- struct clk *pclk; /* SDCC peripheral bus clock */
- unsigned int clks_on; /* set if clocks are enabled */
- struct timer_list busclk_timer;
-
- unsigned int eject; /* eject state */
-
- spinlock_t lock;
-
- unsigned int clk_rate; /* Current clock rate */
- unsigned int pclk_rate;
-
- u32 pwr;
- u32 saved_irq0mask; /* MMCIMASK0 reg value */
- struct msm_mmc_platform_data *plat;
-
- struct timer_list timer;
- unsigned int oldstat;
-
- struct msmsdcc_dma_data dma;
- struct msmsdcc_pio_data pio;
- int cmdpoll;
- struct msmsdcc_stats stats;
-
- struct tasklet_struct dma_tlet;
- /* Command parameters */
- unsigned int cmd_timeout;
- unsigned int cmd_pio_irqmask;
- unsigned int cmd_datactrl;
- struct mmc_command *cmd_cmd;
- u32 cmd_c;
- bool gpio_config_status;
-
- bool prog_scan;
- bool prog_enable;
-};
-
-#endif
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 5316d9b9e7b4..317d709f7550 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -281,7 +281,7 @@ static inline void buffer_swap32(u32 *buf, int len)
int i;
for (i = 0; i < ((len + 3) / 4); i++) {
- st_le32(buf, *buf);
+ *buf = swab32(*buf);
buf++;
}
}
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 072f67066df3..7eff087cf515 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -388,7 +388,7 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host,
{
struct dma_slave_config cfg = { 0, };
struct dma_chan *chan;
- unsigned int slave_id;
+ void *slave_data = NULL;
struct resource *res;
dma_cap_mask_t mask;
int ret;
@@ -397,13 +397,12 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host,
dma_cap_set(DMA_SLAVE, mask);
if (pdata)
- slave_id = direction == DMA_MEM_TO_DEV
- ? pdata->slave_id_tx : pdata->slave_id_rx;
- else
- slave_id = 0;
+ slave_data = direction == DMA_MEM_TO_DEV ?
+ (void *)pdata->slave_id_tx :
+ (void *)pdata->slave_id_rx;
chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
- (void *)(unsigned long)slave_id, &host->pd->dev,
+ slave_data, &host->pd->dev,
direction == DMA_MEM_TO_DEV ? "tx" : "rx");
dev_dbg(&host->pd->dev, "%s: %s: got channel %p\n", __func__,
@@ -414,8 +413,6 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host,
res = platform_get_resource(host->pd, IORESOURCE_MEM, 0);
- /* In the OF case the driver will get the slave ID from the DT */
- cfg.slave_id = slave_id;
cfg.direction = direction;
if (direction == DMA_DEV_TO_MEM) {
@@ -1411,7 +1408,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
host = mmc_priv(mmc);
host->mmc = mmc;
host->addr = reg;
- host->timeout = msecs_to_jiffies(1000);
+ host->timeout = msecs_to_jiffies(10000);
host->ccs_enable = !pd || !pd->ccs_unsupported;
host->clk_ctrl2_enable = pd && pd->clk_ctrl2_present;
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 6906a905cd54..354f4f335ed5 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -201,7 +201,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
of_match_device(sh_mobile_sdhi_of_match, &pdev->dev);
struct sh_mobile_sdhi *priv;
struct tmio_mmc_data *mmc_data;
- struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
+ struct tmio_mmc_data *mmd = pdev->dev.platform_data;
struct tmio_mmc_host *host;
struct resource *res;
int irq, ret, i = 0;
@@ -245,30 +245,14 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
else
host->bus_shift = 0;
- mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
- if (p) {
- mmc_data->flags = p->tmio_flags;
- mmc_data->ocr_mask = p->tmio_ocr_mask;
- mmc_data->capabilities |= p->tmio_caps;
- mmc_data->capabilities2 |= p->tmio_caps2;
- mmc_data->cd_gpio = p->cd_gpio;
-
- if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
- /*
- * Yes, we have to provide slave IDs twice to TMIO:
- * once as a filter parameter and once for channel
- * configuration as an explicit slave ID
- */
- dma_priv->chan_priv_tx = (void *)p->dma_slave_tx;
- dma_priv->chan_priv_rx = (void *)p->dma_slave_rx;
- dma_priv->slave_id_tx = p->dma_slave_tx;
- dma_priv->slave_id_rx = p->dma_slave_rx;
- }
- }
+ if (mmd)
+ *mmc_data = *mmd;
+
dma_priv->filter = shdma_chan_filter;
dma_priv->enable = sh_mobile_sdhi_enable_dma;
mmc_data->alignment_shift = 1; /* 2-byte alignment */
+ mmc_data->capabilities |= MMC_CAP_MMC_HIGHSPEED;
/*
* All SDHI blocks support 2-byte and larger block sizes in 4-bit
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index fc3805ed69d1..4a597f5a53e2 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -43,10 +43,6 @@ struct tmio_mmc_data;
struct tmio_mmc_host;
struct tmio_mmc_dma {
- void *chan_priv_tx;
- void *chan_priv_rx;
- int slave_id_tx;
- int slave_id_rx;
enum dma_slave_buswidth dma_buswidth;
bool (*filter)(struct dma_chan *chan, void *arg);
void (*enable)(struct tmio_mmc_host *host, bool enable);
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
index 331bb618e398..e4b05dbb9ca8 100644
--- a/drivers/mmc/host/tmio_mmc_dma.c
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -261,7 +261,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
{
/* We can only either use DMA for both Tx and Rx or not use it at all */
if (!host->dma || (!host->pdev->dev.of_node &&
- (!host->dma->chan_priv_tx || !host->dma->chan_priv_rx)))
+ (!pdata->chan_priv_tx || !pdata->chan_priv_rx)))
return;
if (!host->chan_tx && !host->chan_rx) {
@@ -278,7 +278,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
dma_cap_set(DMA_SLAVE, mask);
host->chan_tx = dma_request_slave_channel_compat(mask,
- host->dma->filter, host->dma->chan_priv_tx,
+ host->dma->filter, pdata->chan_priv_tx,
&host->pdev->dev, "tx");
dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
host->chan_tx);
@@ -286,8 +286,6 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
if (!host->chan_tx)
return;
- if (host->dma->chan_priv_tx)
- cfg.slave_id = host->dma->slave_id_tx;
cfg.direction = DMA_MEM_TO_DEV;
cfg.dst_addr = res->start + (CTL_SD_DATA_PORT << host->bus_shift);
cfg.dst_addr_width = host->dma->dma_buswidth;
@@ -299,7 +297,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
goto ecfgtx;
host->chan_rx = dma_request_slave_channel_compat(mask,
- host->dma->filter, host->dma->chan_priv_rx,
+ host->dma->filter, pdata->chan_priv_rx,
&host->pdev->dev, "rx");
dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
host->chan_rx);
@@ -307,8 +305,6 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
if (!host->chan_rx)
goto ereqrx;
- if (host->dma->chan_priv_rx)
- cfg.slave_id = host->dma->slave_id_rx;
cfg.direction = DMA_DEV_TO_MEM;
cfg.src_addr = cfg.dst_addr + host->pdata->dma_rx_offset;
cfg.src_addr_width = host->dma->dma_buswidth;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 13:39:56 +0100