blob: c76b53dbeb6179a3545bbb26b7aa87d50302477e [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
Thomas Kleffelbe518012008-06-30 22:40:24 +010011enum s3cmci_waitfor {
12 COMPLETION_NONE,
13 COMPLETION_FINALIZE,
14 COMPLETION_CMDSENT,
15 COMPLETION_RSPFIN,
16 COMPLETION_XFERFINISH,
17 COMPLETION_XFERFINISH_RSPFIN,
18};
19
20struct s3cmci_host {
21 struct platform_device *pdev;
Ben Dooksedb5a982008-06-30 22:40:29 +010022 struct s3c24xx_mci_pdata *pdata;
Thomas Kleffelbe518012008-06-30 22:40:24 +010023 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
Ben Dooksc2258892009-10-01 15:44:18 -070042 bool irq_disabled;
43 bool irq_enabled;
44 bool irq_state;
45 int sdio_irqen;
46
Thomas Kleffelbe518012008-06-30 22:40:24 +010047 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;
Christer Weinigel088a78a2008-10-15 00:17:17 +010056 u32 pio_bytes;
Thomas Kleffelbe518012008-06-30 22:40:24 +010057 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;
ben@fluff.org.ukf87e6d02008-10-15 00:17:16 +010072
Ben Dooks9bdd2032009-10-01 15:44:17 -070073#ifdef CONFIG_DEBUG_FS
74 struct dentry *debug_root;
75 struct dentry *debug_state;
76 struct dentry *debug_regs;
77#endif
78
ben@fluff.org.ukf87e6d02008-10-15 00:17:16 +010079#ifdef CONFIG_CPU_FREQ
80 struct notifier_block freq_transition;
81#endif
Thomas Kleffelbe518012008-06-30 22:40:24 +010082};