blob: 37d9c60010c90d260b8e8fae077693824241828d [file] [log] [blame]
Thomas Kleffelbe518012008-06-30 22:40:24 +01001/*
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;
Ben Dooksedb5a982008-06-30 22:40:29 +010025 struct s3c24xx_mci_pdata *pdata;
Thomas Kleffelbe518012008-06-30 22:40:24 +010026 struct mmc_host *mmc;
27 struct resource *mem;
28 struct clk *clk;
29 void __iomem *base;
30 int irq;
31 int irq_cd;
32 int dma;
33
34 unsigned long clk_rate;
35 unsigned long clk_div;
36 unsigned long real_rate;
37 u8 prescaler;
38
39 int is2440;
40 unsigned sdiimsk;
41 unsigned sdidata;
42 int dodma;
43 int dmatogo;
44
45 struct mmc_request *mrq;
46 int cmd_is_stop;
47
48 spinlock_t complete_lock;
49 enum s3cmci_waitfor complete_what;
50
51 int dma_complete;
52
53 u32 pio_sgptr;
54 u32 pio_words;
55 u32 pio_count;
56 u32 *pio_ptr;
57#define XFER_NONE 0
58#define XFER_READ 1
59#define XFER_WRITE 2
60 u32 pio_active;
61
62 int bus_width;
63
64 char dbgmsg_cmd[301];
65 char dbgmsg_dat[301];
66 char *status;
67
68 unsigned int ccnt, dcnt;
69 struct tasklet_struct pio_tasklet;
70};