diff options
| author | Thomas Kleffel <tk@maintech.de> | 2008-06-30 23:40:24 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-07-15 14:14:46 +0200 |
| commit | be518018c6b9224c02284fb243207ef741c31ec6 (patch) | |
| tree | 6fc450ca96ff05dc8904f015000be03a5a2ff2ac /drivers/mmc/host/s3cmci.h | |
| parent | sdhci: graceful handling of bad addresses (diff) | |
| download | linux-be518018c6b9224c02284fb243207ef741c31ec6.tar.xz linux-be518018c6b9224c02284fb243207ef741c31ec6.zip | |
MMC: S3C24XX MMC/SD driver.
This is the latest S3C MMC/SD driver by Thomas Kleffel
with cleanups as suggested by AKPM done by Ben Dooks.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Thomas Kleffel <tk@maintech.de>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc/host/s3cmci.h')
| -rw-r--r-- | drivers/mmc/host/s3cmci.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h new file mode 100644 index 000000000000..90b8af7d8a46 --- /dev/null +++ b/drivers/mmc/host/s3cmci.h @@ -0,0 +1,69 @@ +/* + * linux/drivers/mmc/s3cmci.h - Samsung S3C MCI driver + * + * Copyright (C) 2004-2006 Thomas Kleffel, 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. + */ + +/* FIXME: DMA Resource management ?! */ +#define S3CMCI_DMA 0 + +enum s3cmci_waitfor { + COMPLETION_NONE, + COMPLETION_FINALIZE, + COMPLETION_CMDSENT, + COMPLETION_RSPFIN, + COMPLETION_XFERFINISH, + COMPLETION_XFERFINISH_RSPFIN, +}; + +struct s3cmci_host { + struct platform_device *pdev; + struct mmc_host *mmc; + struct resource *mem; + struct clk *clk; + void __iomem *base; + int irq; + int irq_cd; + int dma; + + unsigned long clk_rate; + unsigned long clk_div; + unsigned long real_rate; + u8 prescaler; + + int is2440; + unsigned sdiimsk; + unsigned sdidata; + int dodma; + int dmatogo; + + struct mmc_request *mrq; + int cmd_is_stop; + + spinlock_t complete_lock; + enum s3cmci_waitfor complete_what; + + int dma_complete; + + u32 pio_sgptr; + u32 pio_words; + u32 pio_count; + u32 *pio_ptr; +#define XFER_NONE 0 +#define XFER_READ 1 +#define XFER_WRITE 2 + u32 pio_active; + + int bus_width; + + char dbgmsg_cmd[301]; + char dbgmsg_dat[301]; + char *status; + + unsigned int ccnt, dcnt; + struct tasklet_struct pio_tasklet; +}; |