diff options
Diffstat (limited to 'arch/mips/bcm47xx/gpio.c')
-rw-r--r-- | arch/mips/bcm47xx/gpio.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c deleted file mode 100644 index 5ebdf62e96bb..000000000000 --- a/arch/mips/bcm47xx/gpio.c +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> | ||
7 | */ | ||
8 | |||
9 | #include <linux/export.h> | ||
10 | #include <linux/ssb/ssb.h> | ||
11 | #include <linux/ssb/ssb_driver_chipcommon.h> | ||
12 | #include <linux/ssb/ssb_driver_extif.h> | ||
13 | #include <asm/mach-bcm47xx/bcm47xx.h> | ||
14 | #include <asm/mach-bcm47xx/gpio.h> | ||
15 | |||
16 | #if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES) | ||
17 | static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES); | ||
18 | #else | ||
19 | static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); | ||
20 | #endif | ||
21 | |||
22 | int gpio_request(unsigned gpio, const char *tag) | ||
23 | { | ||
24 | switch (bcm47xx_bus_type) { | ||
25 | #ifdef CONFIG_BCM47XX_SSB | ||
26 | case BCM47XX_BUS_TYPE_SSB: | ||
27 | if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && | ||
28 | ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) | ||
29 | return -EINVAL; | ||
30 | |||
31 | if (ssb_extif_available(&bcm47xx_bus.ssb.extif) && | ||
32 | ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) | ||
33 | return -EINVAL; | ||
34 | |||
35 | if (test_and_set_bit(gpio, gpio_in_use)) | ||
36 | return -EBUSY; | ||
37 | |||
38 | return 0; | ||
39 | #endif | ||
40 | #ifdef CONFIG_BCM47XX_BCMA | ||
41 | case BCM47XX_BUS_TYPE_BCMA: | ||
42 | if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) | ||
43 | return -EINVAL; | ||
44 | |||
45 | if (test_and_set_bit(gpio, gpio_in_use)) | ||
46 | return -EBUSY; | ||
47 | |||
48 | return 0; | ||
49 | #endif | ||
50 | } | ||
51 | return -EINVAL; | ||
52 | } | ||
53 | EXPORT_SYMBOL(gpio_request); | ||
54 | |||
55 | void gpio_free(unsigned gpio) | ||
56 | { | ||
57 | switch (bcm47xx_bus_type) { | ||
58 | #ifdef CONFIG_BCM47XX_SSB | ||
59 | case BCM47XX_BUS_TYPE_SSB: | ||
60 | if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && | ||
61 | ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) | ||
62 | return; | ||
63 | |||
64 | if (ssb_extif_available(&bcm47xx_bus.ssb.extif) && | ||
65 | ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) | ||
66 | return; | ||
67 | |||
68 | clear_bit(gpio, gpio_in_use); | ||
69 | return; | ||
70 | #endif | ||
71 | #ifdef CONFIG_BCM47XX_BCMA | ||
72 | case BCM47XX_BUS_TYPE_BCMA: | ||
73 | if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) | ||
74 | return; | ||
75 | |||
76 | clear_bit(gpio, gpio_in_use); | ||
77 | return; | ||
78 | #endif | ||
79 | } | ||
80 | } | ||
81 | EXPORT_SYMBOL(gpio_free); | ||
82 | |||
83 | int gpio_to_irq(unsigned gpio) | ||
84 | { | ||
85 | switch (bcm47xx_bus_type) { | ||
86 | #ifdef CONFIG_BCM47XX_SSB | ||
87 | case BCM47XX_BUS_TYPE_SSB: | ||
88 | if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco)) | ||
89 | return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2; | ||
90 | else if (ssb_extif_available(&bcm47xx_bus.ssb.extif)) | ||
91 | return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2; | ||
92 | else | ||
93 | return -EINVAL; | ||
94 | #endif | ||
95 | #ifdef CONFIG_BCM47XX_BCMA | ||
96 | case BCM47XX_BUS_TYPE_BCMA: | ||
97 | return bcma_core_mips_irq(bcm47xx_bus.bcma.bus.drv_cc.core) + 2; | ||
98 | #endif | ||
99 | } | ||
100 | return -EINVAL; | ||
101 | } | ||
102 | EXPORT_SYMBOL_GPL(gpio_to_irq); | ||