diff options
Diffstat (limited to 'drivers/mmc/host/s3cmci.h')
-rw-r--r-- | drivers/mmc/host/s3cmci.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h new file mode 100644 index 000000000..cc2e46cb5 --- /dev/null +++ b/drivers/mmc/host/s3cmci.h @@ -0,0 +1,80 @@ +/* + * 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. + */ + +enum s3cmci_waitfor { + COMPLETION_NONE, + COMPLETION_FINALIZE, + COMPLETION_CMDSENT, + COMPLETION_RSPFIN, + COMPLETION_XFERFINISH, + COMPLETION_XFERFINISH_RSPFIN, +}; + +struct s3cmci_host { + struct platform_device *pdev; + struct s3c24xx_mci_pdata *pdata; + struct mmc_host *mmc; + struct resource *mem; + struct clk *clk; + void __iomem *base; + int irq; + int irq_cd; + struct dma_chan *dma; + + unsigned long clk_rate; + unsigned long clk_div; + unsigned long real_rate; + u8 prescaler; + + int is2440; + unsigned sdiimsk; + unsigned sdidata; + + bool irq_disabled; + bool irq_enabled; + bool irq_state; + int sdio_irqen; + + 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_bytes; + 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; + +#ifdef CONFIG_DEBUG_FS + struct dentry *debug_root; + struct dentry *debug_state; + struct dentry *debug_regs; +#endif + +#ifdef CONFIG_CPU_FREQ + struct notifier_block freq_transition; +#endif +}; |