diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-h3-mmc.c')
-rw-r--r-- | arch/arm/mach-omap1/board-h3-mmc.c | 114 |
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 | ||
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 | ||