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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;
Vasily Khoruzhickb45e4b52014-06-01 20:22:09 +030029 struct dma_chan *dma;
Thomas Kleffelbe518012008-06-30 22:40:24 +010030
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;
Thomas Kleffelbe518012008-06-30 22:40:24 +010039
Ben Dooksc2258892009-10-01 15:44:18 -070040 bool irq_disabled;
41 bool irq_enabled;
42 bool irq_state;
43 int sdio_irqen;
44
Thomas Kleffelbe518012008-06-30 22:40:24 +010045 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;
Christer Weinigel088a78a2008-10-15 00:17:17 +010054 u32 pio_bytes;
Thomas Kleffelbe518012008-06-30 22:40:24 +010055 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;
ben@fluff.org.ukf87e6d02008-10-15 00:17:16 +010070
Ben Dooks9bdd2032009-10-01 15:44:17 -070071#ifdef CONFIG_DEBUG_FS
72 struct dentry *debug_root;
73 struct dentry *debug_state;
74 struct dentry *debug_regs;
75#endif
76
Krzysztof Kozlowski39f80bc2016-06-27 14:52:03 +020077#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
ben@fluff.org.ukf87e6d02008-10-15 00:17:16 +010078 struct notifier_block freq_transition;
79#endif
Thomas Kleffelbe518012008-06-30 22:40:24 +010080};