net/freescale: remove __dev* attributes
[linux/fpc-iii.git] / drivers / mmc / host / sdhci-pltfm.h
blob37e0e184a0bbf1f23fe9ca6233f85341633802b6
1 /*
2 * Copyright 2010 MontaVista Software, LLC.
4 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
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 */
11 #ifndef _DRIVERS_MMC_SDHCI_PLTFM_H
12 #define _DRIVERS_MMC_SDHCI_PLTFM_H
14 #include <linux/clk.h>
15 #include <linux/platform_device.h>
16 #include "sdhci.h"
18 struct sdhci_pltfm_data {
19 struct sdhci_ops *ops;
20 unsigned int quirks;
23 struct sdhci_pltfm_host {
24 struct clk *clk;
25 void *priv; /* to handle quirks across io-accessor calls */
27 /* migrate from sdhci_of_host */
28 unsigned int clock;
29 u16 xfer_mode_shadow;
32 #ifdef CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
34 * These accessors are designed for big endian hosts doing I/O to
35 * little endian controllers incorporating a 32-bit hardware byte swapper.
37 static inline u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg)
39 return in_be32(host->ioaddr + reg);
42 static inline u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg)
44 return in_be16(host->ioaddr + (reg ^ 0x2));
47 static inline u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg)
49 return in_8(host->ioaddr + (reg ^ 0x3));
52 static inline void sdhci_be32bs_writel(struct sdhci_host *host,
53 u32 val, int reg)
55 out_be32(host->ioaddr + reg, val);
58 static inline void sdhci_be32bs_writew(struct sdhci_host *host,
59 u16 val, int reg)
61 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
62 int base = reg & ~0x3;
63 int shift = (reg & 0x2) * 8;
65 switch (reg) {
66 case SDHCI_TRANSFER_MODE:
68 * Postpone this write, we must do it together with a
69 * command write that is down below.
71 pltfm_host->xfer_mode_shadow = val;
72 return;
73 case SDHCI_COMMAND:
74 sdhci_be32bs_writel(host,
75 val << 16 | pltfm_host->xfer_mode_shadow,
76 SDHCI_TRANSFER_MODE);
77 return;
79 clrsetbits_be32(host->ioaddr + base, 0xffff << shift, val << shift);
82 static inline void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg)
84 int base = reg & ~0x3;
85 int shift = (reg & 0x3) * 8;
87 clrsetbits_be32(host->ioaddr + base , 0xff << shift, val << shift);
89 #endif /* CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER */
91 extern void sdhci_get_of_property(struct platform_device *pdev);
93 extern struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
94 struct sdhci_pltfm_data *pdata);
95 extern void sdhci_pltfm_free(struct platform_device *pdev);
97 extern int sdhci_pltfm_register(struct platform_device *pdev,
98 struct sdhci_pltfm_data *pdata);
99 extern int sdhci_pltfm_unregister(struct platform_device *pdev);
101 #ifdef CONFIG_PM
102 extern const struct dev_pm_ops sdhci_pltfm_pmops;
103 #define SDHCI_PLTFM_PMOPS (&sdhci_pltfm_pmops)
104 #else
105 #define SDHCI_PLTFM_PMOPS NULL
106 #endif
108 #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */