diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_gpio.c')
| -rwxr-xr-x | drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_gpio.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_gpio.c b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_gpio.c new file mode 100755 index 00000000..8dcc8ca6 --- /dev/null +++ b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_gpio.c @@ -0,0 +1,124 @@ +/* +* Customer code to add GPIO control during WLAN start/stop +* Copyright (C) 1999-2011, Broadcom Corporation +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2 (the "GPL"), +* available at http://www.broadcom.com/licenses/GPLv2.php, with the +* following added to such license: +* +* As a special exception, the copyright holders of this software give you +* permission to link this software with independent modules, and to copy and +* distribute the resulting executable under terms of your choice, provided that +* you also meet, for each linked independent module, the terms and conditions of +* the license of that module. An independent module is a module which is not +* derived from this software. The special exception does not apply to any +* modifications of the software. +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a license +* other than the GPL, without Broadcom's express prior written consent. +* +* $Id: dhd_custom_gpio.c,v 1.2.42.1 2010-10-19 00:41:09 Exp $ +*/ + +#include <osl.h> + +#ifdef CUSTOMER_HW + +#ifdef CONFIG_MACH_ODROID_4210 +/* +#include <mach/gpio.h> +#include <mach/regs-gpio.h> +#include <plat/gpio-cfg.h> + +#include <plat/sdhci.h> +#include <plat/devs.h> // modifed plat-samsung/dev-hsmmcX.c EXPORT_SYMBOL(s3c_device_hsmmcx) added + +#define sdmmc_channel s3c_device_hsmmc0 +*/ +#endif + +#include <mach/wmt_misc.h> //wifi_power_ctrl_comm(int open,int mdelay) +#include <mach/wmt_iomux.h> +#include <linux/gpio.h> +extern void wifi_power_ctrl_comm(int open,int mdelay); +extern void force_remove_sdio2(void); +extern void wmt_detect_sdio2(void); +#define OOB_IRQ WMT_PIN_GP1_GPIO15 + + +#ifdef CUSTOMER_OOB +int bcm_wlan_get_oob_irq(void) +{ + int host_oob_irq = OOB_IRQ; + + int ret = 0; + ret = gpio_request(OOB_IRQ, "ap6493_oob_irq"); + if(ret < 0) + { + printk("request gpio for ap6493 oob irq failed!\n"); + return 0; + } + gpio_direction_input(OOB_IRQ); + + wmt_gpio_setpull(WMT_PIN_GP62_WAKEUP0, WMT_GPIO_PULL_DOWN); + +/* +#ifdef CONFIG_MACH_ODROID_4210 + printk("GPIO(WL_HOST_WAKE) = EXYNOS4_GPX0(7) = %d\n", EXYNOS4_GPX0(7)); + host_oob_irq = gpio_to_irq(EXYNOS4_GPX0(7)); + gpio_direction_input(EXYNOS4_GPX0(7)); + printk("host_oob_irq: %d \r\n", host_oob_irq); +#endif +*/ + + return host_oob_irq; +} +#endif + +void bcm_wlan_power_on(int flag) +{ + if (flag == 1) { + printk("======== PULL WL_REG_ON HIGH! ========\n"); +#ifdef CONFIG_MACH_ODROID_4210 + //gpio_set_value(EXYNOS4_GPK1(0), 1); + wifi_power_ctrl_comm(1,0x00); + /* Lets customer power to get stable */ + mdelay(100); + printk("======== Card detection to detect SDIO card! ========\n"); + //sdhci_s3c_force_presence_change(&sdmmc_channel, 1); + wmt_detect_sdio2(); +#endif + } else { + printk("======== PULL WL_REG_ON HIGH! (flag = %d) ========\n", flag); +#ifdef CONFIG_MACH_ODROID_4210 + //gpio_set_value(EXYNOS4_GPK1(0), 1); + wifi_power_ctrl_comm(1,0x00); +#endif + } +} + +void bcm_wlan_power_off(int flag) +{ + if (flag == 1) { + printk("======== Card detection to remove SDIO card! ========\n"); +#ifdef CONFIG_MACH_ODROID_4210 + //sdhci_s3c_force_presence_change(&sdmmc_channel, 0); + force_remove_sdio2(); + mdelay(100); + printk("======== PULL WL_REG_ON LOW! ========\n"); + //gpio_set_value(EXYNOS4_GPK1(0), 0); + wifi_power_ctrl_comm(0,0x00); +#endif + } else { + printk("======== PULL WL_REG_ON LOW! (flag = %d) ========\n", flag); +#ifdef CONFIG_MACH_ODROID_4210 + //gpio_set_value(EXYNOS4_GPK1(0), 0); + wifi_power_ctrl_comm(0,0x00); +#endif + } +} + +#endif /* CUSTOMER_HW */ |