mmc/host/s3cmci.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  *  linux/drivers/mmc/s3cmci.h - Samsung S3C MCI driver
0004  *
0005  *  Copyright (C) 2004-2006 Thomas Kleffel, All Rights Reserved.
0006  */
0007
0008 enum s3cmci_waitfor {
0009     COMPLETION_NONE,
0010     COMPLETION_FINALIZE,
0011     COMPLETION_CMDSENT,
0012     COMPLETION_RSPFIN,
0013     COMPLETION_XFERFINISH,
0014     COMPLETION_XFERFINISH_RSPFIN,
0015 };
0016
0017 struct s3cmci_host {
0018     struct platform_device  *pdev;
0019     struct s3c24xx_mci_pdata *pdata;
0020     struct mmc_host     *mmc;
0021     struct resource     *mem;
0022     struct clk      *clk;
0023     void __iomem        *base;
0024     int         irq;
0025     int         irq_cd;
0026     struct dma_chan     *dma;
0027
0028     unsigned long       clk_rate;
0029     unsigned long       clk_div;
0030     unsigned long       real_rate;
0031     u8          prescaler;
0032
0033     int         is2440;
0034     unsigned        sdiimsk;
0035     unsigned        sdidata;
0036
0037     bool            irq_disabled;
0038     bool            irq_enabled;
0039     bool            irq_state;
0040     int         sdio_irqen;
0041
0042     struct mmc_request  *mrq;
0043     int         cmd_is_stop;
0044
0045     spinlock_t      complete_lock;
0046     enum s3cmci_waitfor complete_what;
0047
0048     int         dma_complete;
0049
0050     u32         pio_sgptr;
0051     u32         pio_bytes;
0052     u32         pio_count;
0053     u32         *pio_ptr;
0054 #define XFER_NONE 0
0055 #define XFER_READ 1
0056 #define XFER_WRITE 2
0057     u32         pio_active;
0058
0059     int         bus_width;
0060
0061     char            dbgmsg_cmd[301];
0062     char            dbgmsg_dat[301];
0063     char            *status;
0064
0065     unsigned int        ccnt, dcnt;
0066     struct tasklet_struct   pio_tasklet;
0067
0068 #ifdef CONFIG_DEBUG_FS
0069     struct dentry       *debug_root;
0070 #endif
0071
0072 #ifdef CONFIG_ARM_S3C24XX_CPUFREQ
0073     struct notifier_block   freq_transition;
0074 #endif
0075 };