omap_hsmmc: code refactoring
Functions', structures', variables' names are changed to start with omap_hsmmc_ prefix. Signed-off-by: Denis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Acked-by: Matt 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis Karpov
Linus Torvalds
parent
4dffd7a251
commit
70a3341a71
@ -135,7 +135,7 @@
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#define OMAP_HSMMC_WRITE(base, reg, val) \
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__raw_writel((val), (base) + OMAP_HSMMC_##reg)
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struct mmc_omap_host {
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struct omap_hsmmc_host {
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struct device *dev;
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struct mmc_host *mmc;
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struct mmc_request *mrq;
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@ -174,7 +174,7 @@ struct mmc_omap_host {
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/*
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* Stop clock to the card
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*/
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static void omap_mmc_stop_clock(struct mmc_omap_host *host)
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static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host)
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{
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OMAP_HSMMC_WRITE(host->base, SYSCTL,
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OMAP_HSMMC_READ(host->base, SYSCTL) & ~CEN);
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@ -188,7 +188,7 @@ static void omap_mmc_stop_clock(struct mmc_omap_host *host)
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* Restore the MMC host context, if it was lost as result of a
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* power state change.
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*/
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static int omap_mmc_restore_ctx(struct mmc_omap_host *host)
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static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
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{
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struct mmc_ios *ios = &host->mmc->ios;
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struct omap_mmc_platform_data *pdata = host->pdata;
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@ -316,7 +316,7 @@ static int omap_mmc_restore_ctx(struct mmc_omap_host *host)
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/*
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* Save the MMC host context (store the number of power state changes so far).
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*/
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static void omap_mmc_save_ctx(struct mmc_omap_host *host)
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static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
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{
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struct omap_mmc_platform_data *pdata = host->pdata;
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int context_loss;
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@ -331,12 +331,12 @@ static void omap_mmc_save_ctx(struct mmc_omap_host *host)
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#else
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static int omap_mmc_restore_ctx(struct mmc_omap_host *host)
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static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
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{
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return 0;
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}
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static void omap_mmc_save_ctx(struct mmc_omap_host *host)
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static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
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{
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}
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@ -346,7 +346,7 @@ static void omap_mmc_save_ctx(struct mmc_omap_host *host)
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* Send init stream sequence to card
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* before sending IDLE command
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*/
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static void send_init_stream(struct mmc_omap_host *host)
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static void send_init_stream(struct omap_hsmmc_host *host)
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{
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int reg = 0;
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unsigned long timeout;
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@ -370,7 +370,7 @@ static void send_init_stream(struct mmc_omap_host *host)
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}
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static inline
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int mmc_omap_cover_is_closed(struct mmc_omap_host *host)
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int omap_hsmmc_cover_is_closed(struct omap_hsmmc_host *host)
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{
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int r = 1;
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@ -380,35 +380,35 @@ int mmc_omap_cover_is_closed(struct mmc_omap_host *host)
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}
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static ssize_t
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mmc_omap_show_cover_switch(struct device *dev, struct device_attribute *attr,
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omap_hsmmc_show_cover_switch(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev);
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struct mmc_omap_host *host = mmc_priv(mmc);
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struct omap_hsmmc_host *host = mmc_priv(mmc);
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return sprintf(buf, "%s\n", mmc_omap_cover_is_closed(host) ? "closed" :
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"open");
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return sprintf(buf, "%s\n",
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omap_hsmmc_cover_is_closed(host) ? "closed" : "open");
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}
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static DEVICE_ATTR(cover_switch, S_IRUGO, mmc_omap_show_cover_switch, NULL);
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static DEVICE_ATTR(cover_switch, S_IRUGO, omap_hsmmc_show_cover_switch, NULL);
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static ssize_t
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mmc_omap_show_slot_name(struct device *dev, struct device_attribute *attr,
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omap_hsmmc_show_slot_name(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev);
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struct mmc_omap_host *host = mmc_priv(mmc);
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struct omap_hsmmc_host *host = mmc_priv(mmc);
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return sprintf(buf, "%s\n", mmc_slot(host).name);
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}
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static DEVICE_ATTR(slot_name, S_IRUGO, mmc_omap_show_slot_name, NULL);
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static DEVICE_ATTR(slot_name, S_IRUGO, omap_hsmmc_show_slot_name, NULL);
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/*
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* Configure the response type and send the cmd.
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*/
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static void
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mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd,
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omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
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struct mmc_data *data)
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{
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int cmdreg = 0, resptype = 0, cmdtype = 0;
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@ -474,7 +474,7 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd,
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}
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static int
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mmc_omap_get_dma_dir(struct mmc_omap_host *host, struct mmc_data *data)
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omap_hsmmc_get_dma_dir(struct omap_hsmmc_host *host, struct mmc_data *data)
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{
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if (data->flags & MMC_DATA_WRITE)
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return DMA_TO_DEVICE;
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@ -486,7 +486,7 @@ mmc_omap_get_dma_dir(struct mmc_omap_host *host, struct mmc_data *data)
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* Notify the transfer complete to MMC core
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*/
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static void
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mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
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omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data)
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{
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if (!data) {
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struct mmc_request *mrq = host->mrq;
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@ -507,7 +507,7 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
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if (host->use_dma && host->dma_ch != -1)
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dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
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mmc_omap_get_dma_dir(host, data));
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omap_hsmmc_get_dma_dir(host, data));
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if (!data->error)
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data->bytes_xfered += data->blocks * (data->blksz);
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@ -519,14 +519,14 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
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mmc_request_done(host->mmc, data->mrq);
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return;
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}
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mmc_omap_start_command(host, data->stop, NULL);
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omap_hsmmc_start_command(host, data->stop, NULL);
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}
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/*
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* Notify the core about command completion
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*/
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static void
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mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
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omap_hsmmc_cmd_done(struct omap_hsmmc_host *host, struct mmc_command *cmd)
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{
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host->cmd = NULL;
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@ -551,13 +551,13 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
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/*
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* DMA clean up for command errors
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*/
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static void mmc_dma_cleanup(struct mmc_omap_host *host, int errno)
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static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
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{
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host->data->error = errno;
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if (host->use_dma && host->dma_ch != -1) {
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dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len,
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mmc_omap_get_dma_dir(host, host->data));
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omap_hsmmc_get_dma_dir(host, host->data));
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omap_free_dma(host->dma_ch);
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host->dma_ch = -1;
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up(&host->sem);
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@ -569,10 +569,10 @@ static void mmc_dma_cleanup(struct mmc_omap_host *host, int errno)
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* Readable error output
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*/
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#ifdef CONFIG_MMC_DEBUG
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static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status)
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static void omap_hsmmc_report_irq(struct omap_hsmmc_host *host, u32 status)
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{
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/* --- means reserved bit without definition at documentation */
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static const char *mmc_omap_status_bits[] = {
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static const char *omap_hsmmc_status_bits[] = {
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"CC", "TC", "BGE", "---", "BWR", "BRR", "---", "---", "CIRQ",
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"OBI", "---", "---", "---", "---", "---", "ERRI", "CTO", "CCRC",
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"CEB", "CIE", "DTO", "DCRC", "DEB", "---", "ACE", "---",
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@ -585,9 +585,9 @@ static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status)
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len = sprintf(buf, "MMC IRQ 0x%x :", status);
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buf += len;
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for (i = 0; i < ARRAY_SIZE(mmc_omap_status_bits); i++)
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for (i = 0; i < ARRAY_SIZE(omap_hsmmc_status_bits); i++)
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if (status & (1 << i)) {
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len = sprintf(buf, " %s", mmc_omap_status_bits[i]);
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len = sprintf(buf, " %s", omap_hsmmc_status_bits[i]);
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buf += len;
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}
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@ -602,7 +602,7 @@ static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status)
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* SRC or SRD bit of SYSCTL register
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* Can be called from interrupt context
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*/
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static inline void mmc_omap_reset_controller_fsm(struct mmc_omap_host *host,
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static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
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unsigned long bit)
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{
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unsigned long i = 0;
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@ -625,9 +625,9 @@ static inline void mmc_omap_reset_controller_fsm(struct mmc_omap_host *host,
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/*
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* MMC controller IRQ handler
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*/
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static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
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static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
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{
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struct mmc_omap_host *host = dev_id;
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struct omap_hsmmc_host *host = dev_id;
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struct mmc_data *data;
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int end_cmd = 0, end_trans = 0, status;
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@ -648,13 +648,13 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
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if (status & ERR) {
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#ifdef CONFIG_MMC_DEBUG
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mmc_omap_report_irq(host, status);
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omap_hsmmc_report_irq(host, status);
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#endif
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if ((status & CMD_TIMEOUT) ||
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(status & CMD_CRC)) {
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if (host->cmd) {
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if (status & CMD_TIMEOUT) {
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mmc_omap_reset_controller_fsm(host,
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omap_hsmmc_reset_controller_fsm(host,
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SRC);
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host->cmd->error = -ETIMEDOUT;
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} else {
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@ -664,9 +664,10 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
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}
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if (host->data || host->response_busy) {
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if (host->data)
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mmc_dma_cleanup(host, -ETIMEDOUT);
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omap_hsmmc_dma_cleanup(host,
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-ETIMEDOUT);
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host->response_busy = 0;
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mmc_omap_reset_controller_fsm(host, SRD);
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omap_hsmmc_reset_controller_fsm(host, SRD);
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}
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}
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if ((status & DATA_TIMEOUT) ||
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@ -676,11 +677,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
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-ETIMEDOUT : -EILSEQ;
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if (host->data)
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mmc_dma_cleanup(host, err);
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omap_hsmmc_dma_cleanup(host, err);
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else
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host->mrq->cmd->error = err;
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host->response_busy = 0;
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mmc_omap_reset_controller_fsm(host, SRD);
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omap_hsmmc_reset_controller_fsm(host, SRD);
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end_trans = 1;
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}
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}
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@ -699,16 +700,16 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
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OMAP_HSMMC_READ(host->base, STAT);
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if (end_cmd || ((status & CC) && host->cmd))
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mmc_omap_cmd_done(host, host->cmd);
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omap_hsmmc_cmd_done(host, host->cmd);
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if ((end_trans || (status & TC)) && host->mrq)
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mmc_omap_xfer_done(host, data);
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omap_hsmmc_xfer_done(host, data);
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spin_unlock(&host->irq_lock);
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return IRQ_HANDLED;
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}
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static void set_sd_bus_power(struct mmc_omap_host *host)
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static void set_sd_bus_power(struct omap_hsmmc_host *host)
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{
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unsigned long i;
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@ -728,7 +729,7 @@ static void set_sd_bus_power(struct mmc_omap_host *host)
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* The MMC2 transceiver controls are used instead of DAT4..DAT7.
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* Some chips, like eMMC ones, use internal transceivers.
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*/
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static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd)
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static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
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{
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u32 reg_val = 0;
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int ret;
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@ -759,7 +760,7 @@ static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd)
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/*
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* If a MMC dual voltage card is detected, the set_ios fn calls
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* this fn with VDD bit set for 1.8V. Upon card removal from the
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* slot, omap_mmc_set_ios sets the VDD back to 3V on MMC_POWER_OFF.
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* slot, omap_hsmmc_set_ios sets the VDD back to 3V on MMC_POWER_OFF.
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*
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* Cope with a bit of slop in the range ... per data sheets:
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* - "1.8V" for vdds_mmc1/vdds_mmc1a can be up to 2.45V max,
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@ -788,10 +789,10 @@ static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd)
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/*
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* Work Item to notify the core about card insertion/removal
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*/
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static void mmc_omap_detect(struct work_struct *work)
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static void omap_hsmmc_detect(struct work_struct *work)
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{
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struct mmc_omap_host *host = container_of(work, struct mmc_omap_host,
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mmc_carddetect_work);
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struct omap_hsmmc_host *host =
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container_of(work, struct omap_hsmmc_host, mmc_carddetect_work);
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struct omap_mmc_slot_data *slot = &mmc_slot(host);
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int carddetect;
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@ -809,8 +810,9 @@ static void mmc_omap_detect(struct work_struct *work)
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mmc_detect_change(host->mmc, (HZ * 200) / 1000);
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} else {
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mmc_host_enable(host->mmc);
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mmc_omap_reset_controller_fsm(host, SRD);
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omap_hsmmc_reset_controller_fsm(host, SRD);
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mmc_host_lazy_disable(host->mmc);
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mmc_detect_change(host->mmc, (HZ * 50) / 1000);
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}
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}
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@ -818,9 +820,9 @@ static void mmc_omap_detect(struct work_struct *work)
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/*
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* ISR for handling card insertion and removal
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*/
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static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id)
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static irqreturn_t omap_hsmmc_cd_handler(int irq, void *dev_id)
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{
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struct mmc_omap_host *host = (struct mmc_omap_host *)dev_id;
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struct omap_hsmmc_host *host = (struct omap_hsmmc_host *)dev_id;
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if (host->suspended)
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return IRQ_HANDLED;
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@ -829,7 +831,7 @@ static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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static int mmc_omap_get_dma_sync_dev(struct mmc_omap_host *host,
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static int omap_hsmmc_get_dma_sync_dev(struct omap_hsmmc_host *host,
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struct mmc_data *data)
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{
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int sync_dev;
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@ -841,7 +843,7 @@ static int mmc_omap_get_dma_sync_dev(struct mmc_omap_host *host,
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return sync_dev;
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}
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static void mmc_omap_config_dma_params(struct mmc_omap_host *host,
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static void omap_hsmmc_config_dma_params(struct omap_hsmmc_host *host,
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struct mmc_data *data,
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struct scatterlist *sgl)
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{
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@ -865,7 +867,7 @@ static void mmc_omap_config_dma_params(struct mmc_omap_host *host,
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omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S32,
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blksz / 4, nblk, OMAP_DMA_SYNC_FRAME,
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mmc_omap_get_dma_sync_dev(host, data),
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omap_hsmmc_get_dma_sync_dev(host, data),
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!(data->flags & MMC_DATA_WRITE));
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omap_start_dma(dma_ch);
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@ -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;
|
||||
@ -1120,7 +1121,7 @@ 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)
|
||||
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");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user