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-rw-r--r--arch/arm/mach-omap1/board-h3-mmc.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c
new file mode 100644
index 000000000000..66ecc437928f
--- /dev/null
+++ b/arch/arm/mach-omap1/board-h3-mmc.c
@@ -0,0 +1,114 @@
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
19static int slot_cover_open;
20static struct device *mmc_device;
21
22static 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
37static 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
55static 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
62void 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
71static int h3_mmc_late_init(struct device *dev)
72{
73 int ret = 0;
74
75 mmc_device = dev;
76
77 return ret;
78}
79
80static void h3_mmc_cleanup(struct device *dev)
81{
82}
83
84static 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
100void __init h3_mmc_init(void)
101{
102 omap_set_mmc_info(1, &h3_mmc_data);
103}
104
105#else
106
107void __init h3_mmc_init(void)
108{
109}
110
111void h3_mmc_slot_cover_handler(void *arg, int state)
112{
113}
114#endif