diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-h2-mmc.c')
-rw-r--r-- | arch/arm/mach-omap1/board-h2-mmc.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c new file mode 100644 index 000000000000..6fdc78406b21 --- /dev/null +++ b/arch/arm/mach-omap1/board-h2-mmc.c | |||
@@ -0,0 +1,110 @@ | |||
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 | ||