drivers/net/wireless/rockchip_wlan/rtl8723cs/platform/platform_ARM_SUNnI_sdio.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2013 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  *
  19  ******************************************************************************/
  20 /*
  21  * Description:
  22  *      This file can be applied to following platforms:
  23  *      CONFIG_PLATFORM_ARM_SUN6I
  24  *      CONFIG_PLATFORM_ARM_SUN7I
  25  *      CONFIG_PLATFORM_ARM_SUN8I
  26  */
  27 #include <drv_types.h>
  28 #include <mach/sys_config.h>
  29 #ifdef CONFIG_GPIO_WAKEUP
  30 #include <linux/gpio.h>
  31 #endif
  32
  33 #ifdef CONFIG_MMC
  34 static int sdc_id = -1;
  35 static signed int gpio_eint_wlan = -1;
  36 static u32 eint_wlan_handle = 0;
  37
  38 #if defined(CONFIG_PLATFORM_ARM_SUN6I) || defined(CONFIG_PLATFORM_ARM_SUN7I)
  39 extern void sw_mci_rescan_card(unsigned id, unsigned insert);
  40 #elif defined(CONFIG_PLATFORM_ARM_SUN8I)
  41 extern void sunxi_mci_rescan_card(unsigned id, unsigned insert);
  42 #endif
  43
  44 #ifdef CONFIG_PLATFORM_ARM_SUN8I_W5P1
  45 extern int get_rf_mod_type(void);
  46 #else
  47 extern int wifi_pm_get_mod_type(void);
  48 #endif
  49
  50 extern void wifi_pm_power(int on);
  51 #ifdef CONFIG_GPIO_WAKEUP
  52 extern unsigned int oob_irq;
  53 #endif
  54 #endif /* CONFIG_MMC */
  55
  56 /*
  57  * Return:
  58  *      0:      power on successfully
  59  *      others: power on failed
  60  */
  61 int platform_wifi_power_on(void)
  62 {
  63         int ret = 0;
  64
  65 #ifdef CONFIG_MMC
  66         {
  67                 script_item_u val;
  68                 script_item_value_type_e type;
  69
  70 #ifdef CONFIG_PLATFORM_ARM_SUN8I_W5P1
  71                 unsigned int mod_sel = get_rf_mod_type();
  72 #else
  73                 unsigned int mod_sel = wifi_pm_get_mod_type();
  74 #endif
  75
  76                 type = script_get_item("wifi_para", "wifi_sdc_id", &val);
  77                 if (SCIRPT_ITEM_VALUE_TYPE_INT != type) {
  78                         RTW_INFO("get wifi_sdc_id failed\n");
  79                         ret = -1;
  80                 } else {
  81                         sdc_id = val.val;
  82                         RTW_INFO("----- %s sdc_id: %d, mod_sel: %d\n", __FUNCTION__, sdc_id, mod_sel);
  83
  84 #if defined(CONFIG_PLATFORM_ARM_SUN6I) || defined(CONFIG_PLATFORM_ARM_SUN7I)
  85                         sw_mci_rescan_card(sdc_id, 1);
  86 #elif defined(CONFIG_PLATFORM_ARM_SUN8I)
  87                         sunxi_mci_rescan_card(sdc_id, 1);
  88 #endif
  89                         mdelay(100);
  90                         wifi_pm_power(1);
  91
  92                         RTW_INFO("%s: power up, rescan card.\n", __FUNCTION__);
  93                 }
  94
  95 #ifdef CONFIG_GPIO_WAKEUP
  96 #ifdef CONFIG_PLATFORM_ARM_SUN8I_W5P1
  97                 type = script_get_item("wifi_para", "wl_host_wake", &val);
  98 #else
  99 #ifdef CONFIG_RTL8723B
 100                 type = script_get_item("wifi_para", "rtl8723bs_wl_host_wake", &val);
 101 #endif
 102 #ifdef CONFIG_RTL8188E
 103                 type = script_get_item("wifi_para", "rtl8189es_host_wake", &val);
 104 #endif
 105 #endif /* CONFIG_PLATFORM_ARM_SUN8I_W5P1 */
 106                 if (SCIRPT_ITEM_VALUE_TYPE_PIO != type) {
 107                         RTW_INFO("No definition of wake up host PIN\n");
 108                         ret = -1;
 109                 } else {
 110                         gpio_eint_wlan = val.gpio.gpio;
 111 #ifdef CONFIG_PLATFORM_ARM_SUN8I
 112                         oob_irq = gpio_to_irq(gpio_eint_wlan);
 113 #endif
 114                 }
 115 #endif /* CONFIG_GPIO_WAKEUP */
 116         }
 117 #endif /* CONFIG_MMC */
 118
 119         return ret;
 120 }
 121
 122 void platform_wifi_power_off(void)
 123 {
 124 #ifdef CONFIG_MMC
 125 #if defined(CONFIG_PLATFORM_ARM_SUN6I) || defined(CONFIG_PLATFORM_ARM_SUN7I)
 126         sw_mci_rescan_card(sdc_id, 0);
 127 #elif defined(CONFIG_PLATFORM_ARM_SUN8I)
 128         sunxi_mci_rescan_card(sdc_id, 0);
 129 #endif
 130         mdelay(100);
 131         wifi_pm_power(0);
 132
 133         RTW_INFO("%s: remove card, power off.\n", __FUNCTION__);
 134 #endif /* CONFIG_MMC */
 135 }