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be518018 TK |
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 | ||
be518018 TK |
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; | |
edb5a98e | 22 | struct s3c24xx_mci_pdata *pdata; |
be518018 TK |
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 | ||
c2258893 BD |
42 | bool irq_disabled; |
43 | bool irq_enabled; | |
44 | bool irq_state; | |
45 | int sdio_irqen; | |
46 | ||
be518018 TK |
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; | |
088a78af | 56 | u32 pio_bytes; |
be518018 TK |
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; | |
f87e6d00 | 72 | |
9bdd203b BD |
73 | #ifdef CONFIG_DEBUG_FS |
74 | struct dentry *debug_root; | |
75 | struct dentry *debug_state; | |
76 | struct dentry *debug_regs; | |
77 | #endif | |
78 | ||
f87e6d00 | 79 | #ifdef CONFIG_CPU_FREQ |
80 | struct notifier_block freq_transition; | |
81 | #endif | |
be518018 | 82 | }; |