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Diffstat (limited to 'drivers/mmc/host/s3cmci.h')
-rw-r--r--drivers/mmc/host/s3cmci.h69
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 @@
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/* FIXME: DMA Resource management ?! */
12#define S3CMCI_DMA 0
13
14enum s3cmci_waitfor {
15 COMPLETION_NONE,
16 COMPLETION_FINALIZE,
17 COMPLETION_CMDSENT,
18 COMPLETION_RSPFIN,
19 COMPLETION_XFERFINISH,
20 COMPLETION_XFERFINISH_RSPFIN,
21};
22
23struct s3cmci_host {
24 struct platform_device *pdev;
25 struct mmc_host *mmc;
26 struct resource *mem;
27 struct clk *clk;
28 void __iomem *base;
29 int irq;
30 int irq_cd;
31 int dma;
32
33 unsigned long clk_rate;
34 unsigned long clk_div;
35 unsigned long real_rate;
36 u8 prescaler;
37
38 int is2440;
39 unsigned sdiimsk;
40 unsigned sdidata;
41 int dodma;
42 int dmatogo;
43
44 struct mmc_request *mrq;
45 int cmd_is_stop;
46
47 spinlock_t complete_lock;
48 enum s3cmci_waitfor complete_what;
49
50 int dma_complete;
51
52 u32 pio_sgptr;
53 u32 pio_words;
54 u32 pio_count;
55 u32 *pio_ptr;
56#define XFER_NONE 0
57#define XFER_READ 1
58#define XFER_WRITE 2
59 u32 pio_active;
60
61 int bus_width;
62
63 char dbgmsg_cmd[301];
64 char dbgmsg_dat[301];
65 char *status;
66
67 unsigned int ccnt, dcnt;
68 struct tasklet_struct pio_tasklet;
69};