projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 55143438 AF |
1 | /* |
| 2 | * MMC definitions for OMAP2 | |
| 3 | * | |
| 4 | * Copyright (C) 2006 Nokia Corporation | |
| 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 | ||
| 55143438 AF |
11 | /* |
| 12 | * struct omap_hsmmc_dev_attr.flags possibilities | |
| 13 | * | |
| 14 | * OMAP_HSMMC_SUPPORTS_DUAL_VOLT: Some HSMMC controller instances can | |
| 15 | * operate with either 1.8Vdc or 3.0Vdc card voltages; this flag | |
| 16 | * should be set if this is the case. See for example Section 22.5.3 | |
| 17 | * "MMC/SD/SDIO1 Bus Voltage Selection" of the OMAP34xx Multimedia | |
| 18 | * Device Silicon Revision 3.1.x Revision ZR (July 2011) (SWPU223R). | |
| 19 | * | |
| 20 | * OMAP_HSMMC_BROKEN_MULTIBLOCK_READ: Multiple-block read transfers | |
| 21 | * don't work correctly on some MMC controller instances on some | |
| 22 | * OMAP3 SoCs; this flag should be set if this is the case. See | |
| 23 | * for example Advisory 2.1.1.128 "MMC: Multiple Block Read | |
| 24 | * Operation Issue" in _OMAP3530/3525/3515/3503 Silicon Errata_ | |
| 25 | * Revision F (October 2010) (SPRZ278F). | |
| 26 | */ | |
| 27 | #define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0) | |
| 28 | #define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1) | |
| 29 | #define OMAP_HSMMC_SWAKEUP_MISSING BIT(2) | |
| 30 | ||
| 31 | struct omap_hsmmc_dev_attr { | |
| 32 | u8 flags; | |
| 33 | }; | |
| 34 | ||
| 35 | struct mmc_card; | |
| 36 | ||
| 37 | struct omap_hsmmc_platform_data { | |
| 38 | /* back-link to device */ | |
| 39 | struct device *dev; | |
| 40 | ||
| 55143438 AF |
41 | /* set if your board has components or wiring that limits the |
| 42 | * maximum frequency on the MMC bus */ | |
| 43 | unsigned int max_freq; | |
| 44 | ||
| 55143438 AF |
45 | /* Integrating attributes from the omap_hwmod layer */ |
| 46 | u8 controller_flags; | |
| 47 | ||
| 48 | /* Register offset deviation */ | |
| 49 | u16 reg_offset; | |
| 50 | ||
| 326119c9 AF |
51 | /* |
| 52 | * 4/8 wires and any additional host capabilities | |
| 53 | * need to OR'd all capabilities (ref. linux/mmc/host.h) | |
| 54 | */ | |
| 55 | u32 caps; /* Used for the MMC driver on 2430 and later */ | |
| 56 | u32 pm_caps; /* PM capabilities of the mmc */ | |
| 55143438 | 57 | |
| 326119c9 AF |
58 | /* use the internal clock */ |
| 59 | unsigned internal_clock:1; | |
| 55143438 | 60 | |
| 326119c9 AF |
61 | /* nonremovable e.g. eMMC */ |
| 62 | unsigned nonremovable:1; | |
| 55143438 | 63 | |
| 326119c9 AF |
64 | /* eMMC does not handle power off when not in sleep state */ |
| 65 | unsigned no_regulator_off_init:1; | |
| 55143438 | 66 | |
| 326119c9 | 67 | /* we can put the features above into this variable */ |
| 55143438 AF |
68 | #define HSMMC_HAS_PBIAS (1 << 0) |
| 69 | #define HSMMC_HAS_UPDATED_RESET (1 << 1) | |
| 70 | #define HSMMC_HAS_HSPE_SUPPORT (1 << 2) | |
| 326119c9 AF |
71 | unsigned features; |
| 72 | ||
| b7a5646f AF |
73 | int gpio_cd; /* gpio (card detect) */ |
| 74 | int gpio_cod; /* gpio (cover detect) */ | |
| 326119c9 AF |
75 | int gpio_wp; /* gpio (write protect) */ |
| 76 | ||
| 80412ca8 AF |
77 | int (*set_power)(struct device *dev, int power_on, int vdd); |
| 78 | void (*remux)(struct device *dev, int power_on); | |
| 326119c9 | 79 | /* Call back before enabling / disabling regulators */ |
| 80412ca8 | 80 | void (*before_set_reg)(struct device *dev, int power_on, int vdd); |
| 326119c9 | 81 | /* Call back after enabling / disabling regulators */ |
| 80412ca8 | 82 | void (*after_set_reg)(struct device *dev, int power_on, int vdd); |
| 326119c9 AF |
83 | /* if we have special card, init it using this callback */ |
| 84 | void (*init_card)(struct mmc_card *card); | |
| 85 | ||
| 326119c9 AF |
86 | const char *name; |
| 87 | u32 ocr_mask; | |
| 55143438 | 88 | }; |