Linux Kernel  3.7.1
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s3cmci.h
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1 /*
2  * linux/drivers/mmc/s3cmci.h - Samsung S3C MCI driver
3  *
4  * Copyright (C) 2004-2006 Thomas Kleffel, All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 enum s3cmci_waitfor {
12  COMPLETION_NONE,
13  COMPLETION_FINALIZE,
14  COMPLETION_CMDSENT,
15  COMPLETION_RSPFIN,
16  COMPLETION_XFERFINISH,
17  COMPLETION_XFERFINISH_RSPFIN,
18 };
19 
20 struct s3cmci_host {
21  struct platform_device *pdev;
22  struct s3c24xx_mci_pdata *pdata;
23  struct mmc_host *mmc;
24  struct resource *mem;
25  struct clk *clk;
26  void __iomem *base;
27  int irq;
28  int irq_cd;
29  int dma;
30 
31  unsigned long clk_rate;
32  unsigned long clk_div;
33  unsigned long real_rate;
34  u8 prescaler;
35 
36  int is2440;
37  unsigned sdiimsk;
38  unsigned sdidata;
39  int dodma;
40  int dmatogo;
41 
42  bool irq_disabled;
43  bool irq_enabled;
44  bool irq_state;
45  int sdio_irqen;
46 
47  struct mmc_request *mrq;
48  int cmd_is_stop;
49 
50  spinlock_t complete_lock;
51  enum s3cmci_waitfor complete_what;
52 
53  int dma_complete;
54 
55  u32 pio_sgptr;
56  u32 pio_bytes;
57  u32 pio_count;
58  u32 *pio_ptr;
59 #define XFER_NONE 0
60 #define XFER_READ 1
61 #define XFER_WRITE 2
62  u32 pio_active;
63 
64  int bus_width;
65 
66  char dbgmsg_cmd[301];
67  char dbgmsg_dat[301];
68  char *status;
69 
70  unsigned int ccnt, dcnt;
71  struct tasklet_struct pio_tasklet;
72 
73 #ifdef CONFIG_DEBUG_FS
74  struct dentry *debug_root;
75  struct dentry *debug_state;
76  struct dentry *debug_regs;
77 #endif
78 
79 #ifdef CONFIG_CPU_FREQ
80  struct notifier_block freq_transition;
81 #endif
82 };
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