| Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 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/ssb/ssb.h> |
| 10 | #include <linux/ssb/ssb_driver_chipcommon.h> |
| 11 | #include <linux/ssb/ssb_driver_extif.h> |
| 12 | #include <asm/mach-bcm47xx/bcm47xx.h> |
| 13 | #include <asm/mach-bcm47xx/gpio.h> |
| 14 | |
| 15 | int bcm47xx_gpio_to_irq(unsigned gpio) |
| 16 | { |
| 17 | if (ssb_bcm47xx.chipco.dev) |
| 18 | return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2; |
| 19 | else if (ssb_bcm47xx.extif.dev) |
| 20 | return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2; |
| 21 | else |
| 22 | return -EINVAL; |
| 23 | } |
| 24 | EXPORT_SYMBOL_GPL(bcm47xx_gpio_to_irq); |
| 25 | |
| 26 | int bcm47xx_gpio_get_value(unsigned gpio) |
| 27 | { |
| 28 | if (ssb_bcm47xx.chipco.dev) |
| 29 | return ssb_chipco_gpio_in(&ssb_bcm47xx.chipco, 1 << gpio); |
| 30 | else if (ssb_bcm47xx.extif.dev) |
| 31 | return ssb_extif_gpio_in(&ssb_bcm47xx.extif, 1 << gpio); |
| 32 | else |
| 33 | return 0; |
| 34 | } |
| 35 | EXPORT_SYMBOL_GPL(bcm47xx_gpio_get_value); |
| 36 | |
| 37 | void bcm47xx_gpio_set_value(unsigned gpio, int value) |
| 38 | { |
| 39 | if (ssb_bcm47xx.chipco.dev) |
| 40 | ssb_chipco_gpio_out(&ssb_bcm47xx.chipco, |
| 41 | 1 << gpio, |
| 42 | value ? 1 << gpio : 0); |
| 43 | else if (ssb_bcm47xx.extif.dev) |
| 44 | ssb_extif_gpio_out(&ssb_bcm47xx.extif, |
| 45 | 1 << gpio, |
| 46 | value ? 1 << gpio : 0); |
| 47 | } |
| 48 | EXPORT_SYMBOL_GPL(bcm47xx_gpio_set_value); |
| 49 | |
| 50 | int bcm47xx_gpio_direction_input(unsigned gpio) |
| 51 | { |
| 52 | if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES)) |
| 53 | ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco, |
| 54 | 1 << gpio, 0); |
| 55 | else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES)) |
| 56 | ssb_extif_gpio_outen(&ssb_bcm47xx.extif, |
| 57 | 1 << gpio, 0); |
| 58 | else |
| 59 | return -EINVAL; |
| 60 | return 0; |
| 61 | } |
| 62 | EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_input); |
| 63 | |
| 64 | int bcm47xx_gpio_direction_output(unsigned gpio, int value) |
| 65 | { |
| 66 | bcm47xx_gpio_set_value(gpio, value); |
| 67 | |
| 68 | if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES)) |
| 69 | ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco, |
| 70 | 1 << gpio, 1 << gpio); |
| 71 | else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES)) |
| 72 | ssb_extif_gpio_outen(&ssb_bcm47xx.extif, |
| 73 | 1 << gpio, 1 << gpio); |
| 74 | else |
| 75 | return -EINVAL; |
| 76 | return 0; |
| 77 | } |
| 78 | EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_output); |
| 79 | |