diff options
| author | Tony Lindgren <tony@atomide.com> | 2012-10-17 14:13:42 -0400 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-10-17 14:13:42 -0400 |
| commit | 46cddc01aa6a017193ae7320ef8bfc8242782a66 (patch) | |
| tree | da67a2fb45e512689bf909b4f832a8daea57e140 /include/linux/platform_data | |
| parent | 99f0b8d6b09b0db6452d0d6e252bfa28049bbea9 (diff) | |
| parent | 53db20d123f7a1bf44e46b727775403672655fde (diff) | |
Merge branch 'omap-for-v3.8/cleanup-headers-mmc' into omap-for-v3.8/cleanup-headers
Conflicts:
arch/arm/mach-omap1/devices.c
arch/arm/mach-omap2/omap_hwmod_33xx_data.c
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
drivers/mmc/host/omap.c
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/mmc-omap.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h new file mode 100644 index 000000000000..2bf6ea82ff94 --- /dev/null +++ b/include/linux/platform_data/mmc-omap.h | |||
| @@ -0,0 +1,150 @@ | |||
| 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 | |||
| 11 | #define OMAP_MMC_MAX_SLOTS 2 | ||
| 12 | |||
| 13 | /* | ||
| 14 | * struct omap_mmc_dev_attr.flags possibilities | ||
| 15 | * | ||
| 16 | * OMAP_HSMMC_SUPPORTS_DUAL_VOLT: Some HSMMC controller instances can | ||
| 17 | * operate with either 1.8Vdc or 3.0Vdc card voltages; this flag | ||
| 18 | * should be set if this is the case. See for example Section 22.5.3 | ||
| 19 | * "MMC/SD/SDIO1 Bus Voltage Selection" of the OMAP34xx Multimedia | ||
| 20 | * Device Silicon Revision 3.1.x Revision ZR (July 2011) (SWPU223R). | ||
| 21 | * | ||
| 22 | * OMAP_HSMMC_BROKEN_MULTIBLOCK_READ: Multiple-block read transfers | ||
| 23 | * don't work correctly on some MMC controller instances on some | ||
| 24 | * OMAP3 SoCs; this flag should be set if this is the case. See | ||
| 25 | * for example Advisory 2.1.1.128 "MMC: Multiple Block Read | ||
| 26 | * Operation Issue" in _OMAP3530/3525/3515/3503 Silicon Errata_ | ||
| 27 | * Revision F (October 2010) (SPRZ278F). | ||
| 28 | */ | ||
| 29 | #define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0) | ||
| 30 | #define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1) | ||
| 31 | |||
| 32 | struct mmc_card; | ||
| 33 | |||
| 34 | struct omap_mmc_dev_attr { | ||
| 35 | u8 flags; | ||
| 36 | }; | ||
| 37 | |||
| 38 | struct omap_mmc_platform_data { | ||
| 39 | /* back-link to device */ | ||
| 40 | struct device *dev; | ||
| 41 | |||
| 42 | /* number of slots per controller */ | ||
| 43 | unsigned nr_slots:2; | ||
| 44 | |||
| 45 | /* set if your board has components or wiring that limits the | ||
| 46 | * maximum frequency on the MMC bus */ | ||
| 47 | unsigned int max_freq; | ||
| 48 | |||
| 49 | /* switch the bus to a new slot */ | ||
| 50 | int (*switch_slot)(struct device *dev, int slot); | ||
| 51 | /* initialize board-specific MMC functionality, can be NULL if | ||
| 52 | * not supported */ | ||
| 53 | int (*init)(struct device *dev); | ||
| 54 | void (*cleanup)(struct device *dev); | ||
| 55 | void (*shutdown)(struct device *dev); | ||
| 56 | |||
| 57 | /* To handle board related suspend/resume functionality for MMC */ | ||
| 58 | int (*suspend)(struct device *dev, int slot); | ||
| 59 | int (*resume)(struct device *dev, int slot); | ||
| 60 | |||
| 61 | /* Return context loss count due to PM states changing */ | ||
| 62 | int (*get_context_loss_count)(struct device *dev); | ||
| 63 | |||
| 64 | /* Integrating attributes from the omap_hwmod layer */ | ||
| 65 | u8 controller_flags; | ||
| 66 | |||
| 67 | /* Register offset deviation */ | ||
| 68 | u16 reg_offset; | ||
| 69 | |||
| 70 | struct omap_mmc_slot_data { | ||
| 71 | |||
| 72 | /* | ||
| 73 | * 4/8 wires and any additional host capabilities | ||
| 74 | * need to OR'd all capabilities (ref. linux/mmc/host.h) | ||
| 75 | */ | ||
| 76 | u8 wires; /* Used for the MMC driver on omap1 and 2420 */ | ||
| 77 | u32 caps; /* Used for the MMC driver on 2430 and later */ | ||
| 78 | u32 pm_caps; /* PM capabilities of the mmc */ | ||
| 79 | |||
| 80 | /* | ||
| 81 | * nomux means "standard" muxing is wrong on this board, and | ||
| 82 | * that board-specific code handled it before common init logic. | ||
| 83 | */ | ||
| 84 | unsigned nomux:1; | ||
| 85 | |||
| 86 | /* switch pin can be for card detect (default) or card cover */ | ||
| 87 | unsigned cover:1; | ||
| 88 | |||
| 89 | /* use the internal clock */ | ||
| 90 | unsigned internal_clock:1; | ||
| 91 | |||
| 92 | /* nonremovable e.g. eMMC */ | ||
| 93 | unsigned nonremovable:1; | ||
| 94 | |||
| 95 | /* Try to sleep or power off when possible */ | ||
| 96 | unsigned power_saving:1; | ||
| 97 | |||
| 98 | /* If using power_saving and the MMC power is not to go off */ | ||
| 99 | unsigned no_off:1; | ||
| 100 | |||
| 101 | /* eMMC does not handle power off when not in sleep state */ | ||
| 102 | unsigned no_regulator_off_init:1; | ||
| 103 | |||
| 104 | /* Regulator off remapped to sleep */ | ||
| 105 | unsigned vcc_aux_disable_is_sleep:1; | ||
| 106 | |||
| 107 | /* we can put the features above into this variable */ | ||
| 108 | #define HSMMC_HAS_PBIAS (1 << 0) | ||
| 109 | #define HSMMC_HAS_UPDATED_RESET (1 << 1) | ||
| 110 | #define MMC_OMAP7XX (1 << 2) | ||
| 111 | #define MMC_OMAP15XX (1 << 3) | ||
| 112 | #define MMC_OMAP16XX (1 << 4) | ||
| 113 | unsigned features; | ||
| 114 | |||
| 115 | int switch_pin; /* gpio (card detect) */ | ||
| 116 | int gpio_wp; /* gpio (write protect) */ | ||
| 117 | |||
| 118 | int (*set_bus_mode)(struct device *dev, int slot, int bus_mode); | ||
| 119 | int (*set_power)(struct device *dev, int slot, | ||
| 120 | int power_on, int vdd); | ||
| 121 | int (*get_ro)(struct device *dev, int slot); | ||
| 122 | void (*remux)(struct device *dev, int slot, int power_on); | ||
| 123 | /* Call back before enabling / disabling regulators */ | ||
| 124 | void (*before_set_reg)(struct device *dev, int slot, | ||
| 125 | int power_on, int vdd); | ||
| 126 | /* Call back after enabling / disabling regulators */ | ||
| 127 | void (*after_set_reg)(struct device *dev, int slot, | ||
| 128 | int power_on, int vdd); | ||
| 129 | /* if we have special card, init it using this callback */ | ||
| 130 | void (*init_card)(struct mmc_card *card); | ||
| 131 | |||
| 132 | /* return MMC cover switch state, can be NULL if not supported. | ||
| 133 | * | ||
| 134 | * possible return values: | ||
| 135 | * 0 - closed | ||
| 136 | * 1 - open | ||
| 137 | */ | ||
| 138 | int (*get_cover_state)(struct device *dev, int slot); | ||
| 139 | |||
| 140 | const char *name; | ||
| 141 | u32 ocr_mask; | ||
| 142 | |||
| 143 | /* Card detection IRQs */ | ||
| 144 | int card_detect_irq; | ||
| 145 | int (*card_detect)(struct device *dev, int slot); | ||
| 146 | |||
| 147 | unsigned int ban_openended:1; | ||
| 148 | |||
| 149 | } slots[OMAP_MMC_MAX_SLOTS]; | ||
| 150 | }; | ||
