net: wireless: rockchip: add rtl8822be pcie wifi driver

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / rockchip_wlan / rtl8822be / platform / platform_ARM_WMT_sdio.c

diff --git a/drivers/net/wireless/rockchip_wlan/rtl8822be/platform/platform_ARM_WMT_sdio.c b/drivers/net/wireless/rockchip_wlan/rtl8822be/platform/platform_ARM_WMT_sdio.c
new file mode 100644 (file)
index 0000000..159a5ac
--- /dev/null
+++ b/drivers/net/wireless/rockchip_wlan/rtl8822be/platform/platform_ARM_WMT_sdio.c
@@ -0,0 +1,51 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2013 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#include <drv_types.h>
+#include <mach/wmt_iomux.h>
+#include <linux/gpio.h>
+
+extern void wmt_detect_sdio2(void);
+extern void force_remove_sdio2(void);
+
+int platform_wifi_power_on(void)
+{
+       int err = 0;
+       err = gpio_request(WMT_PIN_GP62_SUSGPIO1, "wifi_chip_en");
+       if (err < 0) {
+               printk("request gpio for rtl8188eu failed!\n");
+               return err;
+       }
+       gpio_direction_output(WMT_PIN_GP62_SUSGPIO1, 0);/* pull sus_gpio1 to 0 to open vcc_wifi. */
+       printk("power on rtl8189.\n");
+       msleep(500);
+       wmt_detect_sdio2();
+       printk("[rtl8189es] %s: new card, power on.\n", __FUNCTION__);
+       return err;
+}
+
+void platform_wifi_power_off(void)
+{
+       force_remove_sdio2();
+
+       gpio_direction_output(WMT_PIN_GP62_SUSGPIO1, 1);/* pull sus_gpio1 to 1 to close vcc_wifi. */
+       printk("power off rtl8189.\n");
+       gpio_free(WMT_PIN_GP62_SUSGPIO1);
+       printk("[rtl8189es] %s: remove card, power off.\n", __FUNCTION__);
+}