projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1144ab5d AH |
1 | /* |
| 2 | * drivers/mmc/host/sdhci-of-hlwd.c | |
| 3 | * | |
| 4 | * Nintendo Wii Secure Digital Host Controller Interface. | |
| 5 | * Copyright (C) 2009 The GameCube Linux Team | |
| 6 | * Copyright (C) 2009 Albert Herranz | |
| 7 | * | |
| 8 | * Based on sdhci-of-esdhc.c | |
| 9 | * | |
| 10 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
| 11 | * Copyright (c) 2009 MontaVista Software, Inc. | |
| 12 | * | |
| 13 | * Authors: Xiaobo Xie <X.Xie@freescale.com> | |
| 14 | * Anton Vorontsov <avorontsov@ru.mvista.com> | |
| 15 | * | |
| 16 | * This program is free software; you can redistribute it and/or modify | |
| 17 | * it under the terms of the GNU General Public License as published by | |
| 18 | * the Free Software Foundation; either version 2 of the License, or (at | |
| 19 | * your option) any later version. | |
| 20 | */ | |
| 21 | ||
| 22 | #include <linux/delay.h> | |
| 88b47679 | 23 | #include <linux/module.h> |
| 1144ab5d | 24 | #include <linux/mmc/host.h> |
| 38576af1 | 25 | #include "sdhci-pltfm.h" |
| 1144ab5d AH |
26 | |
| 27 | /* | |
| 28 | * Ops and quirks for the Nintendo Wii SDHCI controllers. | |
| 29 | */ | |
| 30 | ||
| 31 | /* | |
| 32 | * We need a small delay after each write, or things go horribly wrong. | |
| 33 | */ | |
| 34 | #define SDHCI_HLWD_WRITE_DELAY 5 /* usecs */ | |
| 35 | ||
| 36 | static void sdhci_hlwd_writel(struct sdhci_host *host, u32 val, int reg) | |
| 37 | { | |
| 38 | sdhci_be32bs_writel(host, val, reg); | |
| 39 | udelay(SDHCI_HLWD_WRITE_DELAY); | |
| 40 | } | |
| 41 | ||
| 42 | static void sdhci_hlwd_writew(struct sdhci_host *host, u16 val, int reg) | |
| 43 | { | |
| 44 | sdhci_be32bs_writew(host, val, reg); | |
| 45 | udelay(SDHCI_HLWD_WRITE_DELAY); | |
| 46 | } | |
| 47 | ||
| 48 | static void sdhci_hlwd_writeb(struct sdhci_host *host, u8 val, int reg) | |
| 49 | { | |
| 50 | sdhci_be32bs_writeb(host, val, reg); | |
| 51 | udelay(SDHCI_HLWD_WRITE_DELAY); | |
| 52 | } | |
| 53 | ||
| e307148f SG |
54 | static struct sdhci_ops sdhci_hlwd_ops = { |
| 55 | .read_l = sdhci_be32bs_readl, | |
| 56 | .read_w = sdhci_be32bs_readw, | |
| 57 | .read_b = sdhci_be32bs_readb, | |
| 58 | .write_l = sdhci_hlwd_writel, | |
| 59 | .write_w = sdhci_hlwd_writew, | |
| 60 | .write_b = sdhci_hlwd_writeb, | |
| 61 | }; | |
| 62 | ||
| 38576af1 | 63 | static struct sdhci_pltfm_data sdhci_hlwd_pdata = { |
| 1144ab5d AH |
64 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
| 65 | SDHCI_QUIRK_32BIT_DMA_SIZE, | |
| e307148f | 66 | .ops = &sdhci_hlwd_ops, |
| 1144ab5d | 67 | }; |
| 38576af1 SG |
68 | |
| 69 | static int __devinit sdhci_hlwd_probe(struct platform_device *pdev) | |
| 70 | { | |
| 71 | return sdhci_pltfm_register(pdev, &sdhci_hlwd_pdata); | |
| 72 | } | |
| 73 | ||
| 74 | static int __devexit sdhci_hlwd_remove(struct platform_device *pdev) | |
| 75 | { | |
| 76 | return sdhci_pltfm_unregister(pdev); | |
| 77 | } | |
| 78 | ||
| 79 | static const struct of_device_id sdhci_hlwd_of_match[] = { | |
| 80 | { .compatible = "nintendo,hollywood-sdhci" }, | |
| 81 | { } | |
| 82 | }; | |
| 83 | MODULE_DEVICE_TABLE(of, sdhci_hlwd_of_match); | |
| 84 | ||
| 85 | static struct platform_driver sdhci_hlwd_driver = { | |
| 86 | .driver = { | |
| 87 | .name = "sdhci-hlwd", | |
| 88 | .owner = THIS_MODULE, | |
| 89 | .of_match_table = sdhci_hlwd_of_match, | |
| 90 | }, | |
| 91 | .probe = sdhci_hlwd_probe, | |
| 92 | .remove = __devexit_p(sdhci_hlwd_remove), | |
| 93 | #ifdef CONFIG_PM | |
| 94 | .suspend = sdhci_pltfm_suspend, | |
| 95 | .resume = sdhci_pltfm_resume, | |
| 96 | #endif | |
| 97 | }; | |
| 98 | ||
| 99 | static int __init sdhci_hlwd_init(void) | |
| 100 | { | |
| 101 | return platform_driver_register(&sdhci_hlwd_driver); | |
| 102 | } | |
| 103 | module_init(sdhci_hlwd_init); | |
| 104 | ||
| 105 | static void __exit sdhci_hlwd_exit(void) | |
| 106 | { | |
| 107 | platform_driver_unregister(&sdhci_hlwd_driver); | |
| 108 | } | |
| 109 | module_exit(sdhci_hlwd_exit); | |
| 110 | ||
| 111 | MODULE_DESCRIPTION("Nintendo Wii SDHCI OF driver"); | |
| 112 | MODULE_AUTHOR("The GameCube Linux Team, Albert Herranz"); | |
| 113 | MODULE_LICENSE("GPL v2"); |