aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-omap/include/plat/mmc.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-omap/include/plat/mmc.h')
-rw-r--r--arch/arm/plat-omap/include/plat/mmc.h188
1 files changed, 0 insertions, 188 deletions
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
deleted file mode 100644
index 8b4e4f2da2f5..000000000000
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ /dev/null
@@ -1,188 +0,0 @@
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#ifndef __OMAP2_MMC_H
12#define __OMAP2_MMC_H
13
14#include <linux/types.h>
15#include <linux/device.h>
16#include <linux/mmc/host.h>
17
18#include <plat/omap_hwmod.h>
19
20#define OMAP15XX_NR_MMC 1
21#define OMAP16XX_NR_MMC 2
22#define OMAP1_MMC_SIZE 0x080
23#define OMAP1_MMC1_BASE 0xfffb7800
24#define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */
25
26#define OMAP24XX_NR_MMC 2
27#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
28#define OMAP2_MMC1_BASE 0x4809c000
29
30#define OMAP4_MMC_REG_OFFSET 0x100
31
32#define OMAP_MMC_MAX_SLOTS 2
33
34/*
35 * struct omap_mmc_dev_attr.flags possibilities
36 *
37 * OMAP_HSMMC_SUPPORTS_DUAL_VOLT: Some HSMMC controller instances can
38 * operate with either 1.8Vdc or 3.0Vdc card voltages; this flag
39 * should be set if this is the case. See for example Section 22.5.3
40 * "MMC/SD/SDIO1 Bus Voltage Selection" of the OMAP34xx Multimedia
41 * Device Silicon Revision 3.1.x Revision ZR (July 2011) (SWPU223R).
42 *
43 * OMAP_HSMMC_BROKEN_MULTIBLOCK_READ: Multiple-block read transfers
44 * don't work correctly on some MMC controller instances on some
45 * OMAP3 SoCs; this flag should be set if this is the case. See
46 * for example Advisory 2.1.1.128 "MMC: Multiple Block Read
47 * Operation Issue" in _OMAP3530/3525/3515/3503 Silicon Errata_
48 * Revision F (October 2010) (SPRZ278F).
49 */
50#define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0)
51#define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1)
52
53struct omap_mmc_dev_attr {
54 u8 flags;
55};
56
57struct omap_mmc_platform_data {
58 /* back-link to device */
59 struct device *dev;
60
61 /* number of slots per controller */
62 unsigned nr_slots:2;
63
64 /* set if your board has components or wiring that limits the
65 * maximum frequency on the MMC bus */
66 unsigned int max_freq;
67
68 /* switch the bus to a new slot */
69 int (*switch_slot)(struct device *dev, int slot);
70 /* initialize board-specific MMC functionality, can be NULL if
71 * not supported */
72 int (*init)(struct device *dev);
73 void (*cleanup)(struct device *dev);
74 void (*shutdown)(struct device *dev);
75
76 /* To handle board related suspend/resume functionality for MMC */
77 int (*suspend)(struct device *dev, int slot);
78 int (*resume)(struct device *dev, int slot);
79
80 /* Return context loss count due to PM states changing */
81 int (*get_context_loss_count)(struct device *dev);
82
83 /* Integrating attributes from the omap_hwmod layer */
84 u8 controller_flags;
85
86 /* Register offset deviation */
87 u16 reg_offset;
88
89 struct omap_mmc_slot_data {
90
91 /*
92 * 4/8 wires and any additional host capabilities
93 * need to OR'd all capabilities (ref. linux/mmc/host.h)
94 */
95 u8 wires; /* Used for the MMC driver on omap1 and 2420 */
96 u32 caps; /* Used for the MMC driver on 2430 and later */
97 u32 pm_caps; /* PM capabilities of the mmc */
98
99 /*
100 * nomux means "standard" muxing is wrong on this board, and
101 * that board-specific code handled it before common init logic.
102 */
103 unsigned nomux:1;
104
105 /* switch pin can be for card detect (default) or card cover */
106 unsigned cover:1;
107
108 /* use the internal clock */
109 unsigned internal_clock:1;
110
111 /* nonremovable e.g. eMMC */
112 unsigned nonremovable:1;
113
114 /* Try to sleep or power off when possible */
115 unsigned power_saving:1;
116
117 /* If using power_saving and the MMC power is not to go off */
118 unsigned no_off:1;
119
120 /* eMMC does not handle power off when not in sleep state */
121 unsigned no_regulator_off_init:1;
122
123 /* Regulator off remapped to sleep */
124 unsigned vcc_aux_disable_is_sleep:1;
125
126 /* we can put the features above into this variable */
127#define HSMMC_HAS_PBIAS (1 << 0)
128#define HSMMC_HAS_UPDATED_RESET (1 << 1)
129 unsigned features;
130
131 int switch_pin; /* gpio (card detect) */
132 int gpio_wp; /* gpio (write protect) */
133
134 int (*set_bus_mode)(struct device *dev, int slot, int bus_mode);
135 int (*set_power)(struct device *dev, int slot,
136 int power_on, int vdd);
137 int (*get_ro)(struct device *dev, int slot);
138 void (*remux)(struct device *dev, int slot, int power_on);
139 /* Call back before enabling / disabling regulators */
140 void (*before_set_reg)(struct device *dev, int slot,
141 int power_on, int vdd);
142 /* Call back after enabling / disabling regulators */
143 void (*after_set_reg)(struct device *dev, int slot,
144 int power_on, int vdd);
145 /* if we have special card, init it using this callback */
146 void (*init_card)(struct mmc_card *card);
147
148 /* return MMC cover switch state, can be NULL if not supported.
149 *
150 * possible return values:
151 * 0 - closed
152 * 1 - open
153 */
154 int (*get_cover_state)(struct device *dev, int slot);
155
156 const char *name;
157 u32 ocr_mask;
158
159 /* Card detection IRQs */
160 int card_detect_irq;
161 int (*card_detect)(struct device *dev, int slot);
162
163 unsigned int ban_openended:1;
164
165 } slots[OMAP_MMC_MAX_SLOTS];
166};
167
168/* called from board-specific card detection service routine */
169extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
170 int is_closed);
171
172#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
173void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
174 int nr_controllers);
175void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data);
176#else
177static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
178 int nr_controllers)
179{
180}
181static inline void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
182{
183}
184#endif
185
186extern int omap_msdi_reset(struct omap_hwmod *oh);
187
188#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-22 04:17:30 -0500