diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2008-09-16 13:12:16 -0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 11:18:50 -0400 |
commit | e8c7c482347574ecdd45c43e32c332d5fc2ece61 (patch) | |
tree | c741aa6cdb4e897df9f9476d83a816a7a2b058dd /arch/mips/au1000/common/gpio.c | |
parent | 8d2d91e86b4153cc2305ec86fe908048f459ff7f (diff) |
MIPS: Alchemy: rename directory
It's more than the au1000 these days.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/au1000/common/gpio.c')
-rw-r--r-- | arch/mips/au1000/common/gpio.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/au1000/common/gpio.c deleted file mode 100644 index e660ddd611c4..000000000000 --- a/arch/mips/au1000/common/gpio.c +++ /dev/null | |||
@@ -1,148 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org> | ||
3 | * Architecture specific GPIO support | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it | ||
6 | * under the terms of the GNU General Public License as published by the | ||
7 | * Free Software Foundation; either version 2 of the License, or (at your | ||
8 | * option) any later version. | ||
9 | * | ||
10 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
11 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
12 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
13 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
14 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
15 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
16 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
17 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
18 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
19 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License along | ||
22 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
23 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | * | ||
25 | * Notes : | ||
26 | * au1000 SoC have only one GPIO line : GPIO1 | ||
27 | * others have a second one : GPIO2 | ||
28 | */ | ||
29 | |||
30 | #include <linux/module.h> | ||
31 | |||
32 | #include <asm/mach-au1x00/au1000.h> | ||
33 | #include <asm/gpio.h> | ||
34 | |||
35 | #define gpio1 sys | ||
36 | #if !defined(CONFIG_SOC_AU1000) | ||
37 | |||
38 | static struct au1x00_gpio2 *const gpio2 = (struct au1x00_gpio2 *) GPIO2_BASE; | ||
39 | #define GPIO2_OUTPUT_ENABLE_MASK 0x00010000 | ||
40 | |||
41 | static int au1xxx_gpio2_read(unsigned gpio) | ||
42 | { | ||
43 | gpio -= AU1XXX_GPIO_BASE; | ||
44 | return ((gpio2->pinstate >> gpio) & 0x01); | ||
45 | } | ||
46 | |||
47 | static void au1xxx_gpio2_write(unsigned gpio, int value) | ||
48 | { | ||
49 | gpio -= AU1XXX_GPIO_BASE; | ||
50 | |||
51 | gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | ((!!value) << gpio); | ||
52 | } | ||
53 | |||
54 | static int au1xxx_gpio2_direction_input(unsigned gpio) | ||
55 | { | ||
56 | gpio -= AU1XXX_GPIO_BASE; | ||
57 | gpio2->dir &= ~(0x01 << gpio); | ||
58 | return 0; | ||
59 | } | ||
60 | |||
61 | static int au1xxx_gpio2_direction_output(unsigned gpio, int value) | ||
62 | { | ||
63 | gpio -= AU1XXX_GPIO_BASE; | ||
64 | gpio2->dir |= 0x01 << gpio; | ||
65 | gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | ((!!value) << gpio); | ||
66 | return 0; | ||
67 | } | ||
68 | |||
69 | #endif /* !defined(CONFIG_SOC_AU1000) */ | ||
70 | |||
71 | static int au1xxx_gpio1_read(unsigned gpio) | ||
72 | { | ||
73 | return (gpio1->pinstaterd >> gpio) & 0x01; | ||
74 | } | ||
75 | |||
76 | static void au1xxx_gpio1_write(unsigned gpio, int value) | ||
77 | { | ||
78 | if (value) | ||
79 | gpio1->outputset = (0x01 << gpio); | ||
80 | else | ||
81 | /* Output a zero */ | ||
82 | gpio1->outputclr = (0x01 << gpio); | ||
83 | } | ||
84 | |||
85 | static int au1xxx_gpio1_direction_input(unsigned gpio) | ||
86 | { | ||
87 | gpio1->pininputen = (0x01 << gpio); | ||
88 | return 0; | ||
89 | } | ||
90 | |||
91 | static int au1xxx_gpio1_direction_output(unsigned gpio, int value) | ||
92 | { | ||
93 | gpio1->trioutclr = (0x01 & gpio); | ||
94 | au1xxx_gpio1_write(gpio, value); | ||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | int au1xxx_gpio_get_value(unsigned gpio) | ||
99 | { | ||
100 | if (gpio >= AU1XXX_GPIO_BASE) | ||
101 | #if defined(CONFIG_SOC_AU1000) | ||
102 | return 0; | ||
103 | #else | ||
104 | return au1xxx_gpio2_read(gpio); | ||
105 | #endif | ||
106 | else | ||
107 | return au1xxx_gpio1_read(gpio); | ||
108 | } | ||
109 | EXPORT_SYMBOL(au1xxx_gpio_get_value); | ||
110 | |||
111 | void au1xxx_gpio_set_value(unsigned gpio, int value) | ||
112 | { | ||
113 | if (gpio >= AU1XXX_GPIO_BASE) | ||
114 | #if defined(CONFIG_SOC_AU1000) | ||
115 | ; | ||
116 | #else | ||
117 | au1xxx_gpio2_write(gpio, value); | ||
118 | #endif | ||
119 | else | ||
120 | au1xxx_gpio1_write(gpio, value); | ||
121 | } | ||
122 | EXPORT_SYMBOL(au1xxx_gpio_set_value); | ||
123 | |||
124 | int au1xxx_gpio_direction_input(unsigned gpio) | ||
125 | { | ||
126 | if (gpio >= AU1XXX_GPIO_BASE) | ||
127 | #if defined(CONFIG_SOC_AU1000) | ||
128 | return -ENODEV; | ||
129 | #else | ||
130 | return au1xxx_gpio2_direction_input(gpio); | ||
131 | #endif | ||
132 | |||
133 | return au1xxx_gpio1_direction_input(gpio); | ||
134 | } | ||
135 | EXPORT_SYMBOL(au1xxx_gpio_direction_input); | ||
136 | |||
137 | int au1xxx_gpio_direction_output(unsigned gpio, int value) | ||
138 | { | ||
139 | if (gpio >= AU1XXX_GPIO_BASE) | ||
140 | #if defined(CONFIG_SOC_AU1000) | ||
141 | return -ENODEV; | ||
142 | #else | ||
143 | return au1xxx_gpio2_direction_output(gpio, value); | ||
144 | #endif | ||
145 | |||
146 | return au1xxx_gpio1_direction_output(gpio, value); | ||
147 | } | ||
148 | EXPORT_SYMBOL(au1xxx_gpio_direction_output); | ||