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Commit | Line | Data |
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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
8777297b KS |
2 | /* |
3 | * MMC definitions for OMAP2 | |
4 | * | |
5 | * Copyright (C) 2006 Nokia Corporation | |
8777297b KS |
6 | */ |
7 | ||
8777297b KS |
8 | #define OMAP_MMC_MAX_SLOTS 2 |
9 | ||
68f39e74 TL |
10 | struct mmc_card; |
11 | ||
8777297b | 12 | struct omap_mmc_platform_data { |
01971f65 DB |
13 | /* back-link to device */ |
14 | struct device *dev; | |
abfbe5f7 | 15 | |
d8874665 | 16 | /* number of slots per controller */ |
8777297b | 17 | unsigned nr_slots:2; |
0a4b53a2 | 18 | |
8777297b KS |
19 | /* set if your board has components or wiring that limits the |
20 | * maximum frequency on the MMC bus */ | |
21 | unsigned int max_freq; | |
22 | ||
23 | /* switch the bus to a new slot */ | |
db0fefc5 | 24 | int (*switch_slot)(struct device *dev, int slot); |
8777297b KS |
25 | /* initialize board-specific MMC functionality, can be NULL if |
26 | * not supported */ | |
db0fefc5 AH |
27 | int (*init)(struct device *dev); |
28 | void (*cleanup)(struct device *dev); | |
29 | void (*shutdown)(struct device *dev); | |
0a4b53a2 | 30 | |
1887bde3 DK |
31 | /* Return context loss count due to PM states changing */ |
32 | int (*get_context_loss_count)(struct device *dev); | |
33 | ||
6ab8946f KK |
34 | /* Integrating attributes from the omap_hwmod layer */ |
35 | u8 controller_flags; | |
36 | ||
91a0b089 | 37 | /* Register offset deviation */ |
38 | u16 reg_offset; | |
39 | ||
8777297b | 40 | struct omap_mmc_slot_data { |
d8874665 | 41 | |
63509e3c TL |
42 | /* |
43 | * 4/8 wires and any additional host capabilities | |
44 | * need to OR'd all capabilities (ref. linux/mmc/host.h) | |
45 | */ | |
46 | u8 wires; /* Used for the MMC driver on omap1 and 2420 */ | |
47 | u32 caps; /* Used for the MMC driver on 2430 and later */ | |
6fdc75de | 48 | u32 pm_caps; /* PM capabilities of the mmc */ |
90c62bf0 | 49 | |
d8874665 TL |
50 | /* |
51 | * nomux means "standard" muxing is wrong on this board, and | |
52 | * that board-specific code handled it before common init logic. | |
53 | */ | |
54 | unsigned nomux:1; | |
55 | ||
56 | /* switch pin can be for card detect (default) or card cover */ | |
57 | unsigned cover:1; | |
58 | ||
d8874665 TL |
59 | /* use the internal clock */ |
60 | unsigned internal_clock:1; | |
90c62bf0 | 61 | |
23d99bb9 AH |
62 | /* nonremovable e.g. eMMC */ |
63 | unsigned nonremovable:1; | |
64 | ||
dd498eff DK |
65 | /* Try to sleep or power off when possible */ |
66 | unsigned power_saving:1; | |
67 | ||
1df58db8 AH |
68 | /* If using power_saving and the MMC power is not to go off */ |
69 | unsigned no_off:1; | |
70 | ||
b1c1df7a B |
71 | /* eMMC does not handle power off when not in sleep state */ |
72 | unsigned no_regulator_off_init:1; | |
73 | ||
e0eb2424 AH |
74 | /* Regulator off remapped to sleep */ |
75 | unsigned vcc_aux_disable_is_sleep:1; | |
76 | ||
03e7e170 | 77 | /* we can put the features above into this variable */ |
8287361a LT |
78 | #define MMC_OMAP7XX (1 << 3) |
79 | #define MMC_OMAP15XX (1 << 4) | |
80 | #define MMC_OMAP16XX (1 << 5) | |
03e7e170 | 81 | unsigned features; |
82 | ||
90c62bf0 TL |
83 | int switch_pin; /* gpio (card detect) */ |
84 | int gpio_wp; /* gpio (write protect) */ | |
d8874665 | 85 | |
db0fefc5 AH |
86 | int (*set_bus_mode)(struct device *dev, int slot, int bus_mode); |
87 | int (*set_power)(struct device *dev, int slot, | |
88 | int power_on, int vdd); | |
89 | int (*get_ro)(struct device *dev, int slot); | |
ce6f0016 | 90 | void (*remux)(struct device *dev, int slot, int power_on); |
db0fefc5 AH |
91 | /* Call back before enabling / disabling regulators */ |
92 | void (*before_set_reg)(struct device *dev, int slot, | |
93 | int power_on, int vdd); | |
94 | /* Call back after enabling / disabling regulators */ | |
95 | void (*after_set_reg)(struct device *dev, int slot, | |
96 | int power_on, int vdd); | |
4816858c GI |
97 | /* if we have special card, init it using this callback */ |
98 | void (*init_card)(struct mmc_card *card); | |
8777297b KS |
99 | |
100 | /* return MMC cover switch state, can be NULL if not supported. | |
101 | * | |
102 | * possible return values: | |
d8874665 TL |
103 | * 0 - closed |
104 | * 1 - open | |
8777297b | 105 | */ |
db0fefc5 | 106 | int (*get_cover_state)(struct device *dev, int slot); |
8777297b KS |
107 | |
108 | const char *name; | |
109 | u32 ocr_mask; | |
0a4b53a2 TL |
110 | |
111 | /* Card detection IRQs */ | |
112 | int card_detect_irq; | |
db0fefc5 | 113 | int (*card_detect)(struct device *dev, int slot); |
0a4b53a2 TL |
114 | |
115 | unsigned int ban_openended:1; | |
116 | ||
8777297b KS |
117 | } slots[OMAP_MMC_MAX_SLOTS]; |
118 | }; |