1 /*
2 * linux/arch/arm/mach-omap1/board-h3-mmc.c
3 *
4 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
5 * Author: Felipe Balbi <felipe.lima@indt.org.br>
6 *
7 * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
8 * Copyright (C) 2006 Nokia Corporation
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #include <asm/arch/mmc.h>
16 #include <asm/arch/gpio.h>
17
18 #ifdef CONFIG_MMC_OMAP
19 static int slot_cover_open;
20 static struct device *mmc_device;
21
22 static int h3_mmc_set_power(struct device *dev, int slot, int power_on,
23 int vdd)
24 {
25 #ifdef CONFIG_MMC_DEBUG
26 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
27 power_on ? "on" : "off", vdd);
28 #endif
29 if (slot != 0) {
30 dev_err(dev, "No such slot %d\n", slot + 1);
31 return -ENODEV;
32 }
33
34 return 0;
35 }
36
37 static int h3_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
38 {
39 int ret = 0;
40
41 #ifdef CONFIG_MMC_DEBUG
42 dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
43 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
44 #endif
45 if (slot != 0) {
46 dev_err(dev, "No such slot %d\n", slot + 1);
47 return -ENODEV;
48 }
49
50 /* Treated on upper level */
51
52 return bus_mode;
53 }
54
55 static int h3_mmc_get_cover_state(struct device *dev, int slot)
56 {
57 BUG_ON(slot != 0);
58
59 return slot_cover_open;
60 }
61
62 void h3_mmc_slot_cover_handler(void *arg, int state)
63 {
64 if (mmc_device == NULL)
65 return;
66
67 slot_cover_open = state;
68 omap_mmc_notify_cover_event(mmc_device, 0, state);
69 }
70
71 static int h3_mmc_late_init(struct device *dev)
72 {
73 int ret = 0;
74
75 mmc_device = dev;
76
77 return ret;
78 }
79
80 static void h3_mmc_cleanup(struct device *dev)
81 {
82 }
83
84 static struct omap_mmc_platform_data h3_mmc_data = {
85 .nr_slots = 1,
86 .switch_slot = NULL,
87 .init = h3_mmc_late_init,
88 .cleanup = h3_mmc_cleanup,
89 .slots[0] = {
90 .set_power = h3_mmc_set_power,
91 .set_bus_mode = h3_mmc_set_bus_mode,
92 .get_ro = NULL,
93 .get_cover_state = h3_mmc_get_cover_state,
94 .ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
95 MMC_VDD_32_33 | MMC_VDD_33_34,
96 .name = "mmcblk",
97 },
98 };
99
100 void __init h3_mmc_init(void)
101 {
102 omap_set_mmc_info(1, &h3_mmc_data);
103 }
104
105 #else
106
107 void __init h3_mmc_init(void)
108 {
109 }
110
111 void h3_mmc_slot_cover_handler(void *arg, int state)
112 {
113 }
114 #endif
115
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