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Commit 70a3341a authored by Denis Karpov's avatar Denis Karpov Committed by Linus Torvalds
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omap_hsmmc: code refactoring 

Functions', structures', variables' names are changed to start with
omap_hsmmc_ prefix.
Signed-off-by: default avatarDenis Karpov <ext-denis.2.karpov@nokia.com>
Signed-off-by: default avatarAdrian Hunter <adrian.hunter@nokia.com>
Acked-by: default avatarMatt Fleming <matt@console-pimps.org>
Cc: Ian Molton <ian@mnementh.co.uk>
Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Denis Karpov <ext-denis.2.karpov@nokia.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Philip Langdale <philipl@overt.org>
Cc: "Madhusudhan" <madhu.cr@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4dffd7a2
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Showing with 161 additions and 159 deletions
drivers/mmc/host/omap_hsmmc.c
View file @ 70a3341a
......@@ -135,7 +135,7 @@
#define OMAP_HSMMC_WRITE(base, reg, val) \
__raw_writel((val), (base) + OMAP_HSMMC_##reg)
struct mmc_omap_host {
struct omap_hsmmc_host {
struct device *dev;
struct mmc_host *mmc;
struct mmc_request *mrq;
......@@ -174,7 +174,7 @@ struct mmc_omap_host {
/*
* Stop clock to the card
*/
static void omap_mmc_stop_clock(struct mmc_omap_host *host)
static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host)
{
OMAP_HSMMC_WRITE(host->base, SYSCTL,
OMAP_HSMMC_READ(host->base, SYSCTL) & ~CEN);
......@@ -188,7 +188,7 @@ static void omap_mmc_stop_clock(struct mmc_omap_host *host)
* Restore the MMC host context, if it was lost as result of a
* power state change.
*/
static int omap_mmc_restore_ctx(struct mmc_omap_host *host)
static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
{
struct mmc_ios *ios = &host->mmc->ios;
struct omap_mmc_platform_data *pdata = host->pdata;
......@@ -316,7 +316,7 @@ static int omap_mmc_restore_ctx(struct mmc_omap_host *host)
/*
* Save the MMC host context (store the number of power state changes so far).
*/
static void omap_mmc_save_ctx(struct mmc_omap_host *host)
static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
{
struct omap_mmc_platform_data *pdata = host->pdata;
int context_loss;
......@@ -331,12 +331,12 @@ static void omap_mmc_save_ctx(struct mmc_omap_host *host)
#else
static int omap_mmc_restore_ctx(struct mmc_omap_host *host)
static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
{
return 0;
}
static void omap_mmc_save_ctx(struct mmc_omap_host *host)
static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
{
}
......@@ -346,7 +346,7 @@ static void omap_mmc_save_ctx(struct mmc_omap_host *host)
* Send init stream sequence to card
* before sending IDLE command
*/
static void send_init_stream(struct mmc_omap_host *host)
static void send_init_stream(struct omap_hsmmc_host *host)
{
int reg = 0;
unsigned long timeout;
......@@ -370,7 +370,7 @@ static void send_init_stream(struct mmc_omap_host *host)
}
static inline
int mmc_omap_cover_is_closed(struct mmc_omap_host *host)
int omap_hsmmc_cover_is_closed(struct omap_hsmmc_host *host)
{
int r = 1;
......@@ -380,35 +380,35 @@ int mmc_omap_cover_is_closed(struct mmc_omap_host *host)
}
static ssize_t
mmc_omap_show_cover_switch(struct device *dev, struct device_attribute *attr,
omap_hsmmc_show_cover_switch(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev);
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
return sprintf(buf, "%s\n", mmc_omap_cover_is_closed(host) ? "closed" :
"open");
return sprintf(buf, "%s\n",
omap_hsmmc_cover_is_closed(host) ? "closed" : "open");
}
static DEVICE_ATTR(cover_switch, S_IRUGO, mmc_omap_show_cover_switch, NULL);
static DEVICE_ATTR(cover_switch, S_IRUGO, omap_hsmmc_show_cover_switch, NULL);
static ssize_t
mmc_omap_show_slot_name(struct device *dev, struct device_attribute *attr,
omap_hsmmc_show_slot_name(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev);
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
return sprintf(buf, "%s\n", mmc_slot(host).name);
}
static DEVICE_ATTR(slot_name, S_IRUGO, mmc_omap_show_slot_name, NULL);
static DEVICE_ATTR(slot_name, S_IRUGO, omap_hsmmc_show_slot_name, NULL);
/*
* Configure the response type and send the cmd.
*/
static void
mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd,
omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
struct mmc_data *data)
{
int cmdreg = 0, resptype = 0, cmdtype = 0;
......@@ -474,7 +474,7 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd,
}
static int
mmc_omap_get_dma_dir(struct mmc_omap_host *host, struct mmc_data *data)
omap_hsmmc_get_dma_dir(struct omap_hsmmc_host *host, struct mmc_data *data)
{
if (data->flags & MMC_DATA_WRITE)
return DMA_TO_DEVICE;
......@@ -486,7 +486,7 @@ mmc_omap_get_dma_dir(struct mmc_omap_host *host, struct mmc_data *data)
* Notify the transfer complete to MMC core
*/
static void
mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data)
{
if (!data) {
struct mmc_request *mrq = host->mrq;
......@@ -507,7 +507,7 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
if (host->use_dma && host->dma_ch != -1)
dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
mmc_omap_get_dma_dir(host, data));
omap_hsmmc_get_dma_dir(host, data));
if (!data->error)
data->bytes_xfered += data->blocks * (data->blksz);
......@@ -519,14 +519,14 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
mmc_request_done(host->mmc, data->mrq);
return;
}
mmc_omap_start_command(host, data->stop, NULL);
omap_hsmmc_start_command(host, data->stop, NULL);
}
/*
* Notify the core about command completion
*/
static void
mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
omap_hsmmc_cmd_done(struct omap_hsmmc_host *host, struct mmc_command *cmd)
{
host->cmd = NULL;
......@@ -551,13 +551,13 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
/*
* DMA clean up for command errors
*/
static void mmc_dma_cleanup(struct mmc_omap_host *host, int errno)
static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
{
host->data->error = errno;
if (host->use_dma && host->dma_ch != -1) {
dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len,
mmc_omap_get_dma_dir(host, host->data));
omap_hsmmc_get_dma_dir(host, host->data));
omap_free_dma(host->dma_ch);
host->dma_ch = -1;
up(&host->sem);
......@@ -569,10 +569,10 @@ static void mmc_dma_cleanup(struct mmc_omap_host *host, int errno)
* Readable error output
*/
#ifdef CONFIG_MMC_DEBUG
static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status)
static void omap_hsmmc_report_irq(struct omap_hsmmc_host *host, u32 status)
{
/* --- means reserved bit without definition at documentation */
static const char *mmc_omap_status_bits[] = {
static const char *omap_hsmmc_status_bits[] = {
"CC", "TC", "BGE", "---", "BWR", "BRR", "---", "---", "CIRQ",
"OBI", "---", "---", "---", "---", "---", "ERRI", "CTO", "CCRC",
"CEB", "CIE", "DTO", "DCRC", "DEB", "---", "ACE", "---",
......@@ -585,9 +585,9 @@ static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status)
len = sprintf(buf, "MMC IRQ 0x%x :", status);
buf += len;
for (i = 0; i < ARRAY_SIZE(mmc_omap_status_bits); i++)
for (i = 0; i < ARRAY_SIZE(omap_hsmmc_status_bits); i++)
if (status & (1 << i)) {
len = sprintf(buf, " %s", mmc_omap_status_bits[i]);
len = sprintf(buf, " %s", omap_hsmmc_status_bits[i]);
buf += len;
}
......@@ -602,8 +602,8 @@ static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status)
* SRC or SRD bit of SYSCTL register
* Can be called from interrupt context
*/
static inline void mmc_omap_reset_controller_fsm(struct mmc_omap_host *host,
unsigned long bit)
static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
unsigned long bit)
{
unsigned long i = 0;
unsigned long limit = (loops_per_jiffy *
......@@ -625,9 +625,9 @@ static inline void mmc_omap_reset_controller_fsm(struct mmc_omap_host *host,
/*
* MMC controller IRQ handler
*/
static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
{
struct mmc_omap_host *host = dev_id;
struct omap_hsmmc_host *host = dev_id;
struct mmc_data *data;
int end_cmd = 0, end_trans = 0, status;
......@@ -648,14 +648,14 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
if (status & ERR) {
#ifdef CONFIG_MMC_DEBUG
mmc_omap_report_irq(host, status);
omap_hsmmc_report_irq(host, status);
#endif
if ((status & CMD_TIMEOUT) ||
(status & CMD_CRC)) {
if (host->cmd) {
if (status & CMD_TIMEOUT) {
mmc_omap_reset_controller_fsm(host,
SRC);
omap_hsmmc_reset_controller_fsm(host,
SRC);
host->cmd->error = -ETIMEDOUT;
} else {
host->cmd->error = -EILSEQ;
......@@ -664,9 +664,10 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
}
if (host->data || host->response_busy) {
if (host->data)
mmc_dma_cleanup(host, -ETIMEDOUT);
omap_hsmmc_dma_cleanup(host,
-ETIMEDOUT);
host->response_busy = 0;
mmc_omap_reset_controller_fsm(host, SRD);
omap_hsmmc_reset_controller_fsm(host, SRD);
}
}
if ((status & DATA_TIMEOUT) ||
......@@ -676,11 +677,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
-ETIMEDOUT : -EILSEQ;
if (host->data)
mmc_dma_cleanup(host, err);
omap_hsmmc_dma_cleanup(host, err);
else
host->mrq->cmd->error = err;
host->response_busy = 0;
mmc_omap_reset_controller_fsm(host, SRD);
omap_hsmmc_reset_controller_fsm(host, SRD);
end_trans = 1;
}
}
......@@ -699,16 +700,16 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
OMAP_HSMMC_READ(host->base, STAT);
if (end_cmd || ((status & CC) && host->cmd))
mmc_omap_cmd_done(host, host->cmd);
omap_hsmmc_cmd_done(host, host->cmd);
if ((end_trans || (status & TC)) && host->mrq)
mmc_omap_xfer_done(host, data);
omap_hsmmc_xfer_done(host, data);
spin_unlock(&host->irq_lock);
return IRQ_HANDLED;
}
static void set_sd_bus_power(struct mmc_omap_host *host)
static void set_sd_bus_power(struct omap_hsmmc_host *host)
{
unsigned long i;
......@@ -728,7 +729,7 @@ static void set_sd_bus_power(struct mmc_omap_host *host)
* The MMC2 transceiver controls are used instead of DAT4..DAT7.
* Some chips, like eMMC ones, use internal transceivers.
*/
static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd)
static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
{
u32 reg_val = 0;
int ret;
......@@ -759,7 +760,7 @@ static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd)
/*
* If a MMC dual voltage card is detected, the set_ios fn calls
* this fn with VDD bit set for 1.8V. Upon card removal from the
* slot, omap_mmc_set_ios sets the VDD back to 3V on MMC_POWER_OFF.
* slot, omap_hsmmc_set_ios sets the VDD back to 3V on MMC_POWER_OFF.
*
* Cope with a bit of slop in the range ... per data sheets:
* - "1.8V" for vdds_mmc1/vdds_mmc1a can be up to 2.45V max,
......@@ -788,10 +789,10 @@ static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd)
/*
* Work Item to notify the core about card insertion/removal
*/
static void mmc_omap_detect(struct work_struct *work)
static void omap_hsmmc_detect(struct work_struct *work)
{
struct mmc_omap_host *host = container_of(work, struct mmc_omap_host,
mmc_carddetect_work);
struct omap_hsmmc_host *host =
container_of(work, struct omap_hsmmc_host, mmc_carddetect_work);
struct omap_mmc_slot_data *slot = &mmc_slot(host);
int carddetect;
......@@ -809,8 +810,9 @@ static void mmc_omap_detect(struct work_struct *work)
mmc_detect_change(host->mmc, (HZ * 200) / 1000);
} else {
mmc_host_enable(host->mmc);
mmc_omap_reset_controller_fsm(host, SRD);
omap_hsmmc_reset_controller_fsm(host, SRD);
mmc_host_lazy_disable(host->mmc);
mmc_detect_change(host->mmc, (HZ * 50) / 1000);
}
}
......@@ -818,9 +820,9 @@ static void mmc_omap_detect(struct work_struct *work)
/*
* ISR for handling card insertion and removal
*/
static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id)
static irqreturn_t omap_hsmmc_cd_handler(int irq, void *dev_id)
{
struct mmc_omap_host *host = (struct mmc_omap_host *)dev_id;
struct omap_hsmmc_host *host = (struct omap_hsmmc_host *)dev_id;
if (host->suspended)
return IRQ_HANDLED;
......@@ -829,7 +831,7 @@ static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
static int mmc_omap_get_dma_sync_dev(struct mmc_omap_host *host,
static int omap_hsmmc_get_dma_sync_dev(struct omap_hsmmc_host *host,
struct mmc_data *data)
{
int sync_dev;
......@@ -841,7 +843,7 @@ static int mmc_omap_get_dma_sync_dev(struct mmc_omap_host *host,
return sync_dev;
}
static void mmc_omap_config_dma_params(struct mmc_omap_host *host,
static void omap_hsmmc_config_dma_params(struct omap_hsmmc_host *host,
struct mmc_data *data,
struct scatterlist *sgl)
{
......@@ -865,7 +867,7 @@ static void mmc_omap_config_dma_params(struct mmc_omap_host *host,
omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S32,
blksz / 4, nblk, OMAP_DMA_SYNC_FRAME,
mmc_omap_get_dma_sync_dev(host, data),
omap_hsmmc_get_dma_sync_dev(host, data),
!(data->flags & MMC_DATA_WRITE));
omap_start_dma(dma_ch);
......@@ -874,9 +876,9 @@ static void mmc_omap_config_dma_params(struct mmc_omap_host *host,
/*
* DMA call back function
*/
static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *data)
{
struct mmc_omap_host *host = data;
struct omap_hsmmc_host *host = data;
if (ch_status & OMAP2_DMA_MISALIGNED_ERR_IRQ)
dev_dbg(mmc_dev(host->mmc), "MISALIGNED_ADRS_ERR\n");
......@@ -887,7 +889,7 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
host->dma_sg_idx++;
if (host->dma_sg_idx < host->dma_len) {
/* Fire up the next transfer. */
mmc_omap_config_dma_params(host, host->data,
omap_hsmmc_config_dma_params(host, host->data,
host->data->sg + host->dma_sg_idx);
return;
}
......@@ -904,8 +906,8 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
/*
* Routine to configure and start DMA for the MMC card
*/
static int
mmc_omap_start_dma_transfer(struct mmc_omap_host *host, struct mmc_request *req)
static int omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host,
struct mmc_request *req)
{
int dma_ch = 0, ret = 0, err = 1, i;
struct mmc_data *data = req->data;
......@@ -942,8 +944,8 @@ mmc_omap_start_dma_transfer(struct mmc_omap_host *host, struct mmc_request *req)
return err;
}
ret = omap_request_dma(mmc_omap_get_dma_sync_dev(host, data), "MMC/SD",
mmc_omap_dma_cb, host, &dma_ch);
ret = omap_request_dma(omap_hsmmc_get_dma_sync_dev(host, data),
"MMC/SD", omap_hsmmc_dma_cb, host, &dma_ch);
if (ret != 0) {
dev_err(mmc_dev(host->mmc),
"%s: omap_request_dma() failed with %d\n",
......@@ -952,16 +954,16 @@ mmc_omap_start_dma_transfer(struct mmc_omap_host *host, struct mmc_request *req)
}
host->dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg,
data->sg_len, mmc_omap_get_dma_dir(host, data));
data->sg_len, omap_hsmmc_get_dma_dir(host, data));
host->dma_ch = dma_ch;
host->dma_sg_idx = 0;
mmc_omap_config_dma_params(host, data, data->sg);
omap_hsmmc_config_dma_params(host, data, data->sg);
return 0;
}
static void set_data_timeout(struct mmc_omap_host *host,
static void set_data_timeout(struct omap_hsmmc_host *host,
struct mmc_request *req)
{
unsigned int timeout, cycle_ns;
......@@ -1001,7 +1003,7 @@ static void set_data_timeout(struct mmc_omap_host *host,
* Configure block length for MMC/SD cards and initiate the transfer.
*/
static int
mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
omap_hsmmc_prepare_data(struct omap_hsmmc_host *host, struct mmc_request *req)
{
int ret;
host->data = req->data;
......@@ -1016,7 +1018,7 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
set_data_timeout(host, req);
if (host->use_dma) {
ret = mmc_omap_start_dma_transfer(host, req);
ret = omap_hsmmc_start_dma_transfer(host, req);
if (ret != 0) {
dev_dbg(mmc_dev(host->mmc), "MMC start dma failure\n");
return ret;
......@@ -1028,9 +1030,9 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
/*
* Request function. for read/write operation
*/
static void omap_mmc_request(struct mmc_host *mmc, struct mmc_request *req)
static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
int err;
/*
......@@ -1042,7 +1044,7 @@ static void omap_mmc_request(struct mmc_host *mmc, struct mmc_request *req)
spin_lock_irqsave(&host->irq_lock, host->flags);
WARN_ON(host->mrq != NULL);
host->mrq = req;
err = mmc_omap_prepare_data(host, req);
err = omap_hsmmc_prepare_data(host, req);
if (err) {
req->cmd->error = err;
if (req->data)
......@@ -1054,14 +1056,13 @@ static void omap_mmc_request(struct mmc_host *mmc, struct mmc_request *req)
return;
}
mmc_omap_start_command(host, req->cmd, req->data);
omap_hsmmc_start_command(host, req->cmd, req->data);
}
/* Routine to configure clock values. Exposed API to core */
static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
u16 dsor = 0;
unsigned long regval;
unsigned long timeout;
......@@ -1120,8 +1121,8 @@ static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
* MMC_POWER_UP upon recalculating the voltage.
* vdd 1.8v.
*/
if (omap_mmc_switch_opcond(host, ios->vdd) != 0)
dev_dbg(mmc_dev(host->mmc),
if (omap_hsmmc_switch_opcond(host, ios->vdd) != 0)
dev_dbg(mmc_dev(host->mmc),
"Switch operation failed\n");
}
}
......@@ -1137,7 +1138,7 @@ static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (dsor > 250)
dsor = 250;
}
omap_mmc_stop_clock(host);
omap_hsmmc_stop_clock(host);
regval = OMAP_HSMMC_READ(host->base, SYSCTL);
regval = regval & ~(CLKD_MASK);
regval = regval | (dsor << 6) | (DTO << 16);
......@@ -1171,7 +1172,7 @@ static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
static int omap_hsmmc_get_cd(struct mmc_host *mmc)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
if (!mmc_slot(host).card_detect)
return -ENOSYS;
......@@ -1180,14 +1181,14 @@ static int omap_hsmmc_get_cd(struct mmc_host *mmc)
static int omap_hsmmc_get_ro(struct mmc_host *mmc)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
if (!mmc_slot(host).get_ro)
return -ENOSYS;
return mmc_slot(host).get_ro(host->dev, 0);
}
static void omap_hsmmc_init(struct mmc_omap_host *host)
static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host)
{
u32 hctl, capa, value;
......@@ -1233,9 +1234,9 @@ static void omap_hsmmc_init(struct mmc_omap_host *host)
enum {ENABLED = 0, DISABLED, CARDSLEEP, REGSLEEP, OFF};
/* Handler for [ENABLED -> DISABLED] transition */
static int omap_mmc_enabled_to_disabled(struct mmc_omap_host *host)
static int omap_hsmmc_enabled_to_disabled(struct omap_hsmmc_host *host)
{
omap_mmc_save_ctx(host);
omap_hsmmc_context_save(host);
clk_disable(host->fclk);
host->dpm_state = DISABLED;
......@@ -1248,7 +1249,7 @@ static int omap_mmc_enabled_to_disabled(struct mmc_omap_host *host)
}
/* Handler for [DISABLED -> REGSLEEP / CARDSLEEP] transition */
static int omap_mmc_disabled_to_sleep(struct mmc_omap_host *host)
static int omap_hsmmc_disabled_to_sleep(struct omap_hsmmc_host *host)
{
int err, new_state;
......@@ -1256,7 +1257,7 @@ static int omap_mmc_disabled_to_sleep(struct mmc_omap_host *host)
return 0;
clk_enable(host->fclk);
omap_mmc_restore_ctx(host);
omap_hsmmc_context_restore(host);
if (mmc_card_can_sleep(host->mmc)) {
err = mmc_card_sleep(host->mmc);
if (err < 0) {
......@@ -1265,8 +1266,9 @@ static int omap_mmc_disabled_to_sleep(struct mmc_omap_host *host)
return err;
}
new_state = CARDSLEEP;
} else
} else {
new_state = REGSLEEP;
}
if (mmc_slot(host).set_sleep)
mmc_slot(host).set_sleep(host->dev, host->slot_id, 1, 0,
new_state == CARDSLEEP);
......@@ -1289,7 +1291,7 @@ static int omap_mmc_disabled_to_sleep(struct mmc_omap_host *host)
}
/* Handler for [REGSLEEP / CARDSLEEP -> OFF] transition */
static int omap_mmc_sleep_to_off(struct mmc_omap_host *host)
static int omap_hsmmc_sleep_to_off(struct omap_hsmmc_host *host)
{
if (!mmc_try_claim_host(host->mmc))
return 0;
......@@ -1317,7 +1319,7 @@ static int omap_mmc_sleep_to_off(struct mmc_omap_host *host)
}
/* Handler for [DISABLED -> ENABLED] transition */
static int omap_mmc_disabled_to_enabled(struct mmc_omap_host *host)
static int omap_hsmmc_disabled_to_enabled(struct omap_hsmmc_host *host)
{
int err;
......@@ -1325,8 +1327,7 @@ static int omap_mmc_disabled_to_enabled(struct mmc_omap_host *host)
if (err < 0)
return err;
omap_mmc_restore_ctx(host);
omap_hsmmc_context_restore(host);
host->dpm_state = ENABLED;
dev_dbg(mmc_dev(host->mmc), "DISABLED -> ENABLED\n");
......@@ -1335,13 +1336,13 @@ static int omap_mmc_disabled_to_enabled(struct mmc_omap_host *host)
}
/* Handler for [SLEEP -> ENABLED] transition */
static int omap_mmc_sleep_to_enabled(struct mmc_omap_host *host)
static int omap_hsmmc_sleep_to_enabled(struct omap_hsmmc_host *host)
{
if (!mmc_try_claim_host(host->mmc))
return 0;
clk_enable(host->fclk);
omap_mmc_restore_ctx(host);
omap_hsmmc_context_restore(host);
if (mmc_slot(host).set_sleep)
mmc_slot(host).set_sleep(host->dev, host->slot_id, 0,
host->vdd, host->dpm_state == CARDSLEEP);
......@@ -1359,12 +1360,12 @@ static int omap_mmc_sleep_to_enabled(struct mmc_omap_host *host)
}
/* Handler for [OFF -> ENABLED] transition */
static int omap_mmc_off_to_enabled(struct mmc_omap_host *host)
static int omap_hsmmc_off_to_enabled(struct omap_hsmmc_host *host)
{
clk_enable(host->fclk);
omap_mmc_restore_ctx(host);
omap_hsmmc_init(host);
omap_hsmmc_context_restore(host);
omap_hsmmc_conf_bus_power(host);
mmc_power_restore_host(host->mmc);
host->dpm_state = ENABLED;
......@@ -1377,18 +1378,18 @@ static int omap_mmc_off_to_enabled(struct mmc_omap_host *host)
/*
* Bring MMC host to ENABLED from any other PM state.
*/
static int omap_mmc_enable(struct mmc_host *mmc)
static int omap_hsmmc_enable(struct mmc_host *mmc)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
switch (host->dpm_state) {
case DISABLED:
return omap_mmc_disabled_to_enabled(host);
return omap_hsmmc_disabled_to_enabled(host);
case CARDSLEEP:
case REGSLEEP:
return omap_mmc_sleep_to_enabled(host);
return omap_hsmmc_sleep_to_enabled(host);
case OFF:
return omap_mmc_off_to_enabled(host);
return omap_hsmmc_off_to_enabled(host);
default:
dev_dbg(mmc_dev(host->mmc), "UNKNOWN state\n");
return -EINVAL;
......@@ -1398,68 +1399,68 @@ static int omap_mmc_enable(struct mmc_host *mmc)
/*
* Bring MMC host in PM state (one level deeper).
*/
static int omap_mmc_disable(struct mmc_host *mmc, int lazy)
static int omap_hsmmc_disable(struct mmc_host *mmc, int lazy)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
switch (host->dpm_state) {
case ENABLED: {
int delay;
delay = omap_mmc_enabled_to_disabled(host);
delay = omap_hsmmc_enabled_to_disabled(host);
if (lazy || delay < 0)
return delay;
return 0;
}
case DISABLED:
return omap_mmc_disabled_to_sleep(host);
return omap_hsmmc_disabled_to_sleep(host);
case CARDSLEEP:
case REGSLEEP:
return omap_mmc_sleep_to_off(host);
return omap_hsmmc_sleep_to_off(host);
default:
dev_dbg(mmc_dev(host->mmc), "UNKNOWN state\n");
return -EINVAL;
}
}
static int omap_mmc_enable_fclk(struct mmc_host *mmc)
static int omap_hsmmc_enable_fclk(struct mmc_host *mmc)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
int err;
err = clk_enable(host->fclk);
if (err)
return err;
dev_dbg(mmc_dev(host->mmc), "mmc_fclk: enabled\n");
omap_mmc_restore_ctx(host);
omap_hsmmc_context_restore(host);
return 0;
}
static int omap_mmc_disable_fclk(struct mmc_host *mmc, int lazy)
static int omap_hsmmc_disable_fclk(struct mmc_host *mmc, int lazy)
{
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_hsmmc_host *host = mmc_priv(mmc);
omap_mmc_save_ctx(host);
omap_hsmmc_context_save(host);
clk_disable(host->fclk);
dev_dbg(mmc_dev(host->mmc), "mmc_fclk: disabled\n");
return 0;
}
static const struct mmc_host_ops mmc_omap_ops = {
.enable = omap_mmc_enable_fclk,
.disable = omap_mmc_disable_fclk,
.request = omap_mmc_request,
.set_ios = omap_mmc_set_ios,
static const struct mmc_host_ops omap_hsmmc_ops = {
.enable = omap_hsmmc_enable_fclk,
.disable = omap_hsmmc_disable_fclk,
.request = omap_hsmmc_request,
.set_ios = omap_hsmmc_set_ios,
.get_cd = omap_hsmmc_get_cd,
.get_ro = omap_hsmmc_get_ro,
/* NYET -- enable_sdio_irq */
};
static const struct mmc_host_ops mmc_omap_ps_ops = {
.enable = omap_mmc_enable,
.disable = omap_mmc_disable,
.request = omap_mmc_request,
.set_ios = omap_mmc_set_ios,
static const struct mmc_host_ops omap_hsmmc_ps_ops = {
.enable = omap_hsmmc_enable,
.disable = omap_hsmmc_disable,
.request = omap_hsmmc_request,
.set_ios = omap_hsmmc_set_ios,
.get_cd = omap_hsmmc_get_cd,
.get_ro = omap_hsmmc_get_ro,
/* NYET -- enable_sdio_irq */
......@@ -1467,15 +1468,14 @@ static const struct mmc_host_ops mmc_omap_ps_ops = {
#ifdef CONFIG_DEBUG_FS
static int mmc_regs_show(struct seq_file *s, void *data)
static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
{
struct mmc_host *mmc = s->private;
struct mmc_omap_host *host = mmc_priv(mmc);
struct omap_mmc_platform_data *pdata = host->pdata;
struct omap_hsmmc_host *host = mmc_priv(mmc);
int context_loss = 0;
if (pdata->get_context_loss_count)
context_loss = pdata->get_context_loss_count(host->dev);
if (host->pdata->get_context_loss_count)
context_loss = host->pdata->get_context_loss_count(host->dev);
seq_printf(s, "mmc%d:\n"
" enabled:\t%d\n"
......@@ -1517,19 +1517,19 @@ static int mmc_regs_show(struct seq_file *s, void *data)
return 0;
}
static int mmc_regs_open(struct inode *inode, struct file *file)
static int omap_hsmmc_regs_open(struct inode *inode, struct file *file)
{
return single_open(file, mmc_regs_show, inode->i_private);
return single_open(file, omap_hsmmc_regs_show, inode->i_private);
}
static const struct file_operations mmc_regs_fops = {
.open = mmc_regs_open,
.open = omap_hsmmc_regs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void omap_mmc_debugfs(struct mmc_host *mmc)
static void omap_hsmmc_debugfs(struct mmc_host *mmc)
{
if (mmc->debugfs_root)
debugfs_create_file("regs", S_IRUSR, mmc->debugfs_root,
......@@ -1538,17 +1538,17 @@ static void omap_mmc_debugfs(struct mmc_host *mmc)
#else
static void omap_mmc_debugfs(struct mmc_host *mmc)
static void omap_hsmmc_debugfs(struct mmc_host *mmc)
{
}
#endif
static int __init omap_mmc_probe(struct platform_device *pdev)
static int __init omap_hsmmc_probe(struct platform_device *pdev)
{
struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
struct mmc_host *mmc;
struct mmc_omap_host *host = NULL;
struct omap_hsmmc_host *host = NULL;
struct resource *res;
int ret = 0, irq;
......@@ -1572,7 +1572,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
if (res == NULL)
return -EBUSY;
mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev);
mmc = mmc_alloc_host(sizeof(struct omap_hsmmc_host), &pdev->dev);
if (!mmc) {
ret = -ENOMEM;
goto err;
......@@ -1593,12 +1593,12 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
host->power_mode = -1;
platform_set_drvdata(pdev, host);
INIT_WORK(&host->mmc_carddetect_work, mmc_omap_detect);
INIT_WORK(&host->mmc_carddetect_work, omap_hsmmc_detect);
if (mmc_slot(host).power_saving)
mmc->ops = &mmc_omap_ps_ops;
mmc->ops = &omap_hsmmc_ps_ops;
else
mmc->ops = &mmc_omap_ops;
mmc->ops = &omap_hsmmc_ops;
mmc->f_min = 400000;
mmc->f_max = 52000000;
......@@ -1620,7 +1620,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
goto err1;
}
omap_mmc_save_ctx(host);
omap_hsmmc_context_save(host);
mmc->caps |= MMC_CAP_DISABLE;
mmc_set_disable_delay(mmc, OMAP_MMC_DISABLED_TIMEOUT);
......@@ -1674,7 +1674,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
if (mmc_slot(host).nonremovable)
mmc->caps |= MMC_CAP_NONREMOVABLE;
omap_hsmmc_init(host);
omap_hsmmc_conf_bus_power(host);
/* Select DMA lines */
switch (host->id) {
......@@ -1696,7 +1696,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
}
/* Request IRQ for MMC operations */
ret = request_irq(host->irq, mmc_omap_irq, IRQF_DISABLED,
ret = request_irq(host->irq, omap_hsmmc_irq, IRQF_DISABLED,
mmc_hostname(mmc), host);
if (ret) {
dev_dbg(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n");
......@@ -1706,7 +1706,8 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
/* initialize power supplies, gpios, etc */
if (pdata->init != NULL) {
if (pdata->init(&pdev->dev) != 0) {
dev_dbg(mmc_dev(host->mmc), "late init error\n");
dev_dbg(mmc_dev(host->mmc),
"Unable to configure MMC IRQs\n");
goto err_irq_cd_init;
}
}
......@@ -1715,7 +1716,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
/* Request IRQ for card detect */
if ((mmc_slot(host).card_detect_irq)) {
ret = request_irq(mmc_slot(host).card_detect_irq,
omap_mmc_cd_handler,
omap_hsmmc_cd_handler,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
| IRQF_DISABLED,
mmc_hostname(mmc), host);
......@@ -1745,7 +1746,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
goto err_cover_switch;
}
omap_mmc_debugfs(mmc);
omap_hsmmc_debugfs(mmc);
return 0;
......@@ -1777,9 +1778,9 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
return ret;
}
static int omap_mmc_remove(struct platform_device *pdev)
static int omap_hsmmc_remove(struct platform_device *pdev)
{
struct mmc_omap_host *host = platform_get_drvdata(pdev);
struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
struct resource *res;
if (host) {
......@@ -1814,10 +1815,10 @@ static int omap_mmc_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
static int omap_hsmmc_suspend(struct platform_device *pdev, pm_message_t state)
{
int ret = 0;
struct mmc_omap_host *host = platform_get_drvdata(pdev);
struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
if (host && host->suspended)
return 0;
......@@ -1865,10 +1866,10 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
}
/* Routine to resume the MMC device */
static int omap_mmc_resume(struct platform_device *pdev)
static int omap_hsmmc_resume(struct platform_device *pdev)
{
int ret = 0;
struct mmc_omap_host *host = platform_get_drvdata(pdev);
struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
if (host && !host->suspended)
return 0;
......@@ -1887,7 +1888,7 @@ static int omap_mmc_resume(struct platform_device *pdev)
goto clk_en_err;
}
omap_hsmmc_init(host);
omap_hsmmc_conf_bus_power(host);
if (host->pdata->resume) {
ret = host->pdata->resume(&pdev->dev, host->slot_id);
......@@ -1900,6 +1901,7 @@ static int omap_mmc_resume(struct platform_device *pdev)
ret = mmc_resume_host(host->mmc);
if (ret == 0)
host->suspended = 0;
mmc_host_lazy_disable(host->mmc);
}
......@@ -1912,34 +1914,34 @@ static int omap_mmc_resume(struct platform_device *pdev)
}
#else
#define omap_mmc_suspend NULL
#define omap_mmc_resume NULL
#define omap_hsmmc_suspend NULL
#define omap_hsmmc_resume NULL
#endif
static struct platform_driver omap_mmc_driver = {
.remove = omap_mmc_remove,
.suspend = omap_mmc_suspend,
.resume = omap_mmc_resume,
static struct platform_driver omap_hsmmc_driver = {
.remove = omap_hsmmc_remove,
.suspend = omap_hsmmc_suspend,
.resume = omap_hsmmc_resume,
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
};
static int __init omap_mmc_init(void)
static int __init omap_hsmmc_init(void)
{
/* Register the MMC driver */
return platform_driver_probe(&omap_mmc_driver, omap_mmc_probe);
return platform_driver_register(&omap_hsmmc_driver);
}
static void __exit omap_mmc_cleanup(void)
static void __exit omap_hsmmc_cleanup(void)
{
/* Unregister MMC driver */
platform_driver_unregister(&omap_mmc_driver);
platform_driver_unregister(&omap_hsmmc_driver);
}
module_init(omap_mmc_init);
module_exit(omap_mmc_cleanup);
module_init(omap_hsmmc_init);
module_exit(omap_hsmmc_cleanup);
MODULE_DESCRIPTION("OMAP High Speed Multimedia Card driver");
MODULE_LICENSE("GPL");
......
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