1 /*
2 * linux/arch/arm/mach-omap1/board-h2-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 h2_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 h2_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
38 {
39 #ifdef CONFIG_MMC_DEBUG
40 dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
41 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
42 #endif
43 if (slot != 0) {
44 dev_err(dev, "No such slot %d\n", slot + 1);
45 return -ENODEV;
46 }
47
48 return 0;
49 }
50
51 static int h2_mmc_get_cover_state(struct device *dev, int slot)
52 {
53 BUG_ON(slot != 0);
54
55 return slot_cover_open;
56 }
57
58 void h2_mmc_slot_cover_handler(void *arg, int state)
59 {
60 if (mmc_device == NULL)
61 return;
62
63 slot_cover_open = state;
64 omap_mmc_notify_cover_event(mmc_device, 0, state);
65 }
66
67 static int h2_mmc_late_init(struct device *dev)
68 {
69 int ret = 0;
70
71 mmc_device = dev;
72
73 return ret;
74 }
75
76 static void h2_mmc_cleanup(struct device *dev)
77 {
78 }
79
80 static struct omap_mmc_platform_data h2_mmc_data = {
81 .nr_slots = 1,
82 .switch_slot = NULL,
83 .init = h2_mmc_late_init,
84 .cleanup = h2_mmc_cleanup,
85 .slots[0] = {
86 .set_power = h2_mmc_set_power,
87 .set_bus_mode = h2_mmc_set_bus_mode,
88 .get_ro = NULL,
89 .get_cover_state = h2_mmc_get_cover_state,
90 .ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
91 MMC_VDD_32_33 | MMC_VDD_33_34,
92 .name = "mmcblk",
93 },
94 };
95
96 void __init h2_mmc_init(void)
97 {
98 omap_set_mmc_info(1, &h2_mmc_data);
99 }
100
101 #else
102
103 void __init h2_mmc_init(void)
104 {
105 }
106
107 void h2_mmc_slot_cover_handler(void *arg, int state)
108 {
109 }
110 #endif
111
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