From a0e2bfba262bba405bbc50533aeceb04592a47a2 Mon Sep 17 00:00:00 2001 From: gwl Date: Thu, 27 Feb 2014 16:19:40 +0800 Subject: [PATCH] wifi: add wifi power manage driver rfkill-wlan.c. --- include/linux/rfkill-wlan.h | 46 +++ net/rfkill/Kconfig | 6 + net/rfkill/Makefile | 1 + net/rfkill/rfkill-wlan.c | 659 ++++++++++++++++++++++++++++++++++++ 4 files changed, 712 insertions(+) create mode 100755 include/linux/rfkill-wlan.h create mode 100755 net/rfkill/rfkill-wlan.c diff --git a/include/linux/rfkill-wlan.h b/include/linux/rfkill-wlan.h new file mode 100755 index 000000000000..58f2958c4220 --- /dev/null +++ b/include/linux/rfkill-wlan.h @@ -0,0 +1,46 @@ +#ifndef __PLAT_BOARD_H +#define __PLAT_BOARD_H + +#include +#include +#include + +struct rksdmmc_iomux { + char *name; //set the MACRO of gpio + int fgpio; + int fmux; +}; + +struct rksdmmc_gpio { + int io; //set the address of gpio + char name[64]; // + int enable; // disable = !enable //set the default value,i.e,GPIO_HIGH or GPIO_LOW + struct rksdmmc_iomux iomux; +}; + +struct rksdmmc_pmu { + bool power_ctrl_by_pmu; + char pmu_regulator[20]; + int enable; +}; + +struct rksdmmc_gpio_wifi_moudle { + int sdio_vol; //sdio reference voltage + struct rksdmmc_pmu mregulator; + struct rksdmmc_gpio power_n; //PMU_EN + struct rksdmmc_gpio reset_n; //SYSRET_B, DAIRST + struct rksdmmc_gpio vddio; + struct rksdmmc_gpio bgf_int_b; + struct rksdmmc_gpio wifi_int_b; + struct rksdmmc_gpio gps_sync; + struct rksdmmc_gpio ANTSEL2; //pin5--ANTSEL2 + struct rksdmmc_gpio ANTSEL3; //pin6--ANTSEL3 + struct rksdmmc_gpio GPS_LAN; //pin33--GPS_LAN +}; + +void *rk29sdk_mem_prealloc(int section, unsigned long size); +int rk29sdk_wifi_power(int on); +int rk29sdk_wifi_reset(int on); +int rk29sdk_wifi_mac_addr(unsigned char *buf); +void *rk29sdk_wifi_country_code(char *ccode); +#endif diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig index 8e12c8a2b82b..623ee884f676 100644 --- a/net/rfkill/Kconfig +++ b/net/rfkill/Kconfig @@ -47,3 +47,9 @@ config RFKILL_GPIO If you say yes here you get support of a generic gpio RFKILL driver. The platform should fill in the appropriate fields in the rfkill_gpio_platform_data structure and pass that to the driver. + +config RFKILL_RK + bool "Rockchips RFKILL driver" + depends on RFKILL + help + rockchips rfkill driver for rk29/rk3X diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile index 311768783f4a..45b77f135740 100644 --- a/net/rfkill/Makefile +++ b/net/rfkill/Makefile @@ -7,3 +7,4 @@ rfkill-$(CONFIG_RFKILL_INPUT) += input.o obj-$(CONFIG_RFKILL) += rfkill.o obj-$(CONFIG_RFKILL_REGULATOR) += rfkill-regulator.o obj-$(CONFIG_RFKILL_GPIO) += rfkill-gpio.o +obj-$(CONFIG_RFKILL_RK) += rfkill-wlan.o diff --git a/net/rfkill/rfkill-wlan.c b/net/rfkill/rfkill-wlan.c new file mode 100755 index 000000000000..2253ad87d7ff --- /dev/null +++ b/net/rfkill/rfkill-wlan.c @@ -0,0 +1,659 @@ +/* + * Copyright (C) 2012 ROCKCHIP, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ +/* Rock-chips rfkill driver for wifi +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef CONFIG_OF +#include +#include +#include +#endif + +#if 0 +#define DBG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x) +#else +#define DBG(x...) +#endif + +#define LOG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x) + +struct rfkill_wlan_data { + struct rksdmmc_gpio_wifi_moudle *pdata; + struct wake_lock wlan_irq_wl; +}; + +static struct rfkill_wlan_data *g_rfkill = NULL; + +static const char wlan_name[] = +#if defined (CONFIG_BCM4330) + #if defined (CONFIG_BT_MODULE_NH660) + "nh660" + #else + "bcm4330" + #endif +#elif defined (CONFIG_RK903) + #if defined(CONFIG_RKWIFI_26M) + "rk903_26M" + #else + "rk903" + #endif +#elif defined(CONFIG_BCM4329) + "bcm4329" +#elif defined(CONFIG_MV8787) + "mv8787" +#elif defined(CONFIG_AP6210) + #if defined(CONFIG_RKWIFI_26M) + "ap6210" + #else + "ap6210_24M" + #endif +#elif defined(CONFIG_AP6330) + "ap6330" +#elif defined(CONFIG_AP6476) + "ap6476" +#elif defined(CONFIG_AP6493) + "ap6493" +#else + "wlan_default" +#endif +; + +/*********************************************************** + * + * Broadcom Wifi Static Memory + * + **********************************************************/ +#define BCM_STATIC_MEMORY_SUPPORT 0 +//=========================== +#if BCM_STATIC_MEMORY_SUPPORT +#define PREALLOC_WLAN_SEC_NUM 4 +#define PREALLOC_WLAN_BUF_NUM 160 +#define PREALLOC_WLAN_SECTION_HEADER 24 +#define WLAN_SKB_BUF_NUM 16 + +#define WLAN_SECTION_SIZE_0 (PREALLOC_WLAN_BUF_NUM * 128) +#define WLAN_SECTION_SIZE_1 (PREALLOC_WLAN_BUF_NUM * 128) +#define WLAN_SECTION_SIZE_2 (PREALLOC_WLAN_BUF_NUM * 512) +#define WLAN_SECTION_SIZE_3 (PREALLOC_WLAN_BUF_NUM * 1024) +#define WLAN_SECTION_SIZE_5 (PREALLOC_WLAN_BUF_NUM * 512) + +static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM]; + +struct wifi_mem_prealloc { + void *mem_ptr; + unsigned long size; +}; + +static struct wifi_mem_prealloc wifi_mem_array[5] = { + {NULL, (WLAN_SECTION_SIZE_0 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_1 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_2 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_3 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_5 + PREALLOC_WLAN_SECTION_HEADER)} +}; + +static int __init rk29sdk_init_wifi_mem(void) +{ + int i; + int j; + + for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) { + wlan_static_skb[i] = dev_alloc_skb( + ((i < (WLAN_SKB_BUF_NUM / 2)) ? 4096 : 8192)); + + if (!wlan_static_skb[i]) + goto err_skb_alloc; + } + + for (i = 0 ; i < 5; i++) { + wifi_mem_array[i].mem_ptr = + kmalloc(wifi_mem_array[i].size, GFP_KERNEL); + + if (!wifi_mem_array[i].mem_ptr) + goto err_mem_alloc; + } + return 0; + +err_mem_alloc: + pr_err("Failed to mem_alloc for WLAN\n"); + for (j = 0 ; j < i ; j++) + kfree(wifi_mem_array[j].mem_ptr); + i = WLAN_SKB_BUF_NUM; +err_skb_alloc: + pr_err("Failed to skb_alloc for WLAN\n"); + for (j = 0 ; j < i ; j++) + dev_kfree_skb(wlan_static_skb[j]); + + return -ENOMEM; +} + +void *rk29sdk_mem_prealloc(int section, unsigned long size) +{ + if (section == PREALLOC_WLAN_SEC_NUM) + return wlan_static_skb; + + if ((section < 0) || (section > 5)) + return NULL; + + if (section == 5) + return wifi_mem_array[4].mem_ptr; + + if (wifi_mem_array[section].size < size) + return NULL; + + return wifi_mem_array[section].mem_ptr; +} +#else +void *rk29sdk_mem_prealloc(int section, unsigned long size) { return NULL;} +#endif +EXPORT_SYMBOL(rk29sdk_mem_prealloc); + +/************************************************************************** + * + * Wifi Power Control Func + * 0 -> power off + * 1 -> power on + * + *************************************************************************/ +int rk29sdk_wifi_power(int on) +{ + struct rfkill_wlan_data *mrfkill = g_rfkill; + struct rksdmmc_gpio *poweron, *reset; + struct regulator *ldo = NULL; + + LOG("%s: %d\n", __func__, on); + + if (mrfkill == NULL) { + LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__); + return -1; + } + + if (mrfkill->pdata->mregulator.power_ctrl_by_pmu) { + char *ldostr; + int ret = -1; + int level = mrfkill->pdata->mregulator.enable; + + ldostr = mrfkill->pdata->mregulator.pmu_regulator; + if (ldostr == NULL) { + LOG("%s: wifi power set to be controled by pmic, but which one?\n", __func__); + return -1; + } + ldo = regulator_get(NULL, ldostr); + if (ldo == NULL) { + LOG("\n\n\n%s get ldo error,please mod this\n\n\n", __func__); + } else { + if (on == level) { + regulator_set_voltage(ldo, 3000000, 3000000); + LOG("%s: %s enabled\n", __func__, ldostr); + ret = regulator_enable(ldo); + if(ret != 0){ + LOG("%s: faild to enable %s\n", __func__, ldostr); + } + LOG("wifi turn on power.\n"); + } else { + LOG("wifi shut off power.\n"); + LOG("%s: %s disabled\n", __func__, ldostr); + ret = regulator_disable(ldo); + if(ret != 0){ + LOG("%s: faild to disable %s\n", __func__, ldostr); + } + } + regulator_put(ldo); + mdelay(100); + } + } else { + poweron = &mrfkill->pdata->power_n; + reset = &mrfkill->pdata->reset_n; + + if (on){ + if (gpio_is_valid(poweron->io)) { + gpio_set_value(poweron->io, !(poweron->enable)); + } + mdelay(100); + + if (gpio_is_valid(reset->io)) { + gpio_set_value(reset->io, !(reset->enable)); + } + mdelay(100); + LOG("wifi turn on power. %d\n", poweron->io); + }else{ + if (gpio_is_valid(poweron->io)) { + gpio_set_value(poweron->io, poweron->enable); + } + + mdelay(100); + if (gpio_is_valid(reset->io)) { + gpio_set_value(reset->io, reset->enable); + } + + LOG("wifi shut off power.\n"); + } + } + + return 0; +} +EXPORT_SYMBOL(rk29sdk_wifi_power); + +/************************************************************************** + * + * Wifi Reset Func + * + *************************************************************************/ +int rk29sdk_wifi_reset(int on) +{ + return 0; +} +EXPORT_SYMBOL(rk29sdk_wifi_reset); + +/************************************************************************** + * + * Wifi MAC custom Func + * + *************************************************************************/ +#include +u8 wifi_custom_mac_addr[6] = {0,0,0,0,0,0}; +extern char GetSNSectorInfo(char * pbuf); +int rk29sdk_wifi_mac_addr(unsigned char *buf) +{ + char mac_buf[20] = {0}; + LOG("%s: enter.\n", __func__); + + // from vflash + if(is_zero_ether_addr(wifi_custom_mac_addr)) { + int i; + char *tempBuf = kmalloc(512, GFP_KERNEL); + if(tempBuf) { + GetSNSectorInfo(tempBuf); + for (i = 506; i <= 511; i++) + wifi_custom_mac_addr[i-506] = tempBuf[i]; + kfree(tempBuf); + } else { + return -1; + } + } + + sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1], + wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]); + LOG("falsh wifi_custom_mac_addr=[%s]\n", mac_buf); + + if (is_valid_ether_addr(wifi_custom_mac_addr)) { + if (2 == (wifi_custom_mac_addr[0] & 0x0F)) { + LOG("This mac address come into conflict with the address of direct, ignored...\n"); + return -1; + } + } else { + LOG("This mac address is not valid, ignored...\n"); + return -1; + } + +#if defined(CONFIG_RKWIFI) + memcpy(buf, wifi_custom_mac_addr, 6); +#else + memcpy(buf, mac_buf, strlen(mac_buf));//realtek's wifi use this branch +#endif + return 0; +} +EXPORT_SYMBOL(rk29sdk_wifi_mac_addr); + +/************************************************************************** + * + * wifi get country code func + * + *************************************************************************/ +struct cntry_locales_custom { + char iso_abbrev[4]; /* ISO 3166-1 country abbreviation */ + char custom_locale[4]; /* Custom firmware locale */ + int custom_locale_rev; /* Custom local revisin default -1 */ +}; + +static struct cntry_locales_custom country_cloc; + +void *rk29sdk_wifi_country_code(char *ccode) +{ + struct cntry_locales_custom *mcloc; + + LOG("%s: set country code [%s]\n", __func__, ccode); + mcloc = &country_cloc; + memcpy(mcloc->custom_locale, ccode, 4); + mcloc->custom_locale_rev = 0; + + return mcloc; +} +/**************************************************************************/ + +static int rfkill_rk_setup_gpio(struct rksdmmc_gpio *gpio, const char* prefix, const char* name) +{ + if (gpio_is_valid(gpio->io)) { + int ret=0; + sprintf(gpio->name, "%s_%s", prefix, name); + ret = gpio_request(gpio->io, gpio->name); + if (ret) { + LOG("Failed to get %s gpio.\n", gpio->name); + return -1; + } + } + + return 0; +} + +#ifdef CONFIG_OF +static int wlan_platdata_parse_dt(struct device *dev, + struct rksdmmc_gpio_wifi_moudle *data) +{ + struct device_node *node = dev->of_node; + struct device_node *childnode, *grandchildnode; + const char *pin_funcs, *strings; + u32 value; + int gpio,ret; + enum of_gpio_flags flags; + + if (!node) + return -ENODEV; + + memset(data, 0, sizeof(*data)); + + ret = of_property_read_u32(node, "sdio_vref", &value); + if (ret < 0) + LOG("%s: Can't get sdio vref.", __func__); + + data->sdio_vol = value; + + childnode = of_get_child_by_name(node, "wlan_ctrl_pmic"); + if (!childnode) { + LOG("%s: Can not get child => wlan_ctrl_pmic.\n", __func__); + } else { + ret = of_property_read_string(childnode, "power_ctrl_by_pmu", &strings); + if (ret) { + LOG("%s: Can not read property: power_ctrl_by_pmu.\n", __func__); + data->mregulator.power_ctrl_by_pmu = false; + } + if (0 == strcmp(strings, "true")) { + data->mregulator.power_ctrl_by_pmu = true; + ret = of_property_read_string(childnode, "pmu_regulator", &strings); + if (ret) { + LOG("%s: Can not read property: pmu_regulator.\n", __func__); + data->mregulator.power_ctrl_by_pmu = false; + } else { + LOG("%s: wifi power controled by pmu(%s).\n", __func__, strings); + sprintf(data->mregulator.pmu_regulator, "%s", strings); + } + ret = of_property_read_u32(childnode, "pmu_enable_level", &value); + if (ret) { + LOG("%s: Can not read property: pmu_enable_level.\n", __func__); + data->mregulator.power_ctrl_by_pmu = false; + } else { + LOG("%s: wifi power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW"); + data->mregulator.enable = value; + } + } else { + data->mregulator.power_ctrl_by_pmu = false; + LOG("%s: wifi power controled by gpio.\n", __func__); + } + } + + childnode = of_get_child_by_name(node, "wlan_ctrl_gpios"); + if (!childnode) { + LOG("%s: Can not get child => wlan_ctrl_gpios.\n", __func__); + return -EINVAL; + } + + for_each_child_of_node(childnode, grandchildnode) { + ret = of_property_read_string(grandchildnode, "pin-func", &pin_funcs); + if (ret) { + LOG("%s: Can not read property: pin-func.\n", __func__); + continue; + } + gpio = of_get_named_gpio_flags(grandchildnode, "gpios", 0, &flags); + if (!gpio_is_valid(gpio)){ + LOG("%s: Can not read property: %s->gpios.\n", __func__, pin_funcs); + continue; + } + + if (0 == strcmp(pin_funcs, "wlan_poweren")) { + data->power_n.io = gpio; + data->power_n.enable = flags; + LOG("pin_funcs = %s, gpio = %d, flags = %d", pin_funcs, gpio, flags); + } else if (0 == strcmp(pin_funcs, "wlan_reset")) { + data->reset_n.io = gpio; + data->reset_n.enable = flags; + LOG("pin_funcs = %s, gpio = %d, flags = %d", pin_funcs, gpio, flags); + } else if (0 == strcmp(pin_funcs, "wlan_wake_host_irq")) { + data->wifi_int_b.io = gpio; + data->wifi_int_b.enable = flags; + LOG("pin_funcs = %s, gpio = %d, flags = %d", pin_funcs, gpio, flags); + } + + } + + return 0; +} +#endif //CONFIG_OF + +#if defined(CONFIG_HAS_EARLYSUSPEND) +#include + +static void wlan_early_suspend(struct early_suspend *h) +{ + LOG("%s :enter\n", __func__); + + return; +} + +static void wlan_late_resume(struct early_suspend *h) +{ + LOG("%s :enter\n", __func__); + + return; +} + +struct early_suspend wlan_early_suspend { + .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20; + .suspend = wlan_early_suspend; + .resume = wlan_late_resume; +} +#endif + +static int rfkill_wlan_probe(struct platform_device *pdev) +{ + struct rfkill_wlan_data *rfkill; + struct rksdmmc_gpio_wifi_moudle *pdata = pdev->dev.platform_data; + int ret = -1; + + LOG("Enter %s\n", __func__); + + if (!pdata) { +#ifdef CONFIG_OF + pdata = kzalloc(sizeof(struct rksdmmc_gpio_wifi_moudle), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + ret = wlan_platdata_parse_dt(&pdev->dev, pdata); + if (ret < 0) { +#endif + LOG("%s: No platform data specified\n", __func__); + return ret; +#ifdef CONFIG_OF + } +#endif + } + + rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL); + if (!rfkill) + goto rfkill_alloc_fail; + + rfkill->pdata = pdata; + g_rfkill = rfkill; + + LOG("%s: init gpio\n", __func__); + + ret = rfkill_rk_setup_gpio(&pdata->power_n, wlan_name, "wlan_poweren"); + if (ret) goto fail_alloc; + + ret = rfkill_rk_setup_gpio(&pdata->reset_n, wlan_name, "wlan_reset"); + if (ret) goto fail_alloc; +/* + ret = rfkill_rk_setup_gpio(&pdata->vddio, IOMUX_FGPIO, wlan_name, "wlan-vddio"); + if (ret) goto fail_alloc; + + ret = rfkill_rk_setup_gpio(&pdata->bgf_int_b, IOMUX_FGPIO, wlan_name, "bgf_int_b"); + if (ret) goto fail_alloc; + + ret = rfkill_rk_setup_gpio(&pdata->gps_sync, IOMUX_FGPIO, wlan_name, "gps_sync"); + if (ret) goto fail_alloc; + + ret = rfkill_rk_setup_gpio(&pdata->ANTSEL2, IOMUX_FGPIO, wlan_name, "ANTSEL2"); + if (ret) goto fail_alloc; + + ret = rfkill_rk_setup_gpio(&pdata->ANTSEL3, IOMUX_FGPIO, wlan_name, "ANTSEL3"); + if (ret) goto fail_alloc; + + ret = rfkill_rk_setup_gpio(&pdata->GPS_LAN, IOMUX_FGPIO, wlan_name, "GPS_LAN"); + if (ret) goto fail_alloc; +*/ + wake_lock_init(&(rfkill->wlan_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_wlan_wake"); + + // Turn off wifi power as default + if (gpio_is_valid(pdata->power_n.io)) + { + gpio_direction_output(pdata->power_n.io, pdata->power_n.enable); + } + +#if BCM_STATIC_MEMORY_SUPPORT + rk29sdk_init_wifi_mem(); +#endif + +#if defined(CONFIG_HAS_EARLYSUSPEND) + register_early_suspend(wlan_early_suspend); +#endif + + LOG("Exit %s\n", __func__); + + return 0; + +fail_alloc: + kfree(rfkill); +rfkill_alloc_fail: + kfree(pdata); + + g_rfkill = NULL; + + return ret; +} + +static int rfkill_wlan_remove(struct platform_device *pdev) +{ + struct rfkill_wlan_data *rfkill = platform_get_drvdata(pdev); + + LOG("Enter %s\n", __func__); + + wake_lock_destroy(&rfkill->wlan_irq_wl); + + if (gpio_is_valid(rfkill->pdata->power_n.io)) + gpio_free(rfkill->pdata->power_n.io); + + if (gpio_is_valid(rfkill->pdata->reset_n.io)) + gpio_free(rfkill->pdata->reset_n.io); + +// if (gpio_is_valid(rfkill->pdata->vddio.io)) +// gpio_free(rfkill->pdata->vddio.io); +// +// if (gpio_is_valid(rfkill->pdata->bgf_int_b.io)) +// gpio_free(rfkill->pdata->bgf_int_b.io); +// +// if (gpio_is_valid(rfkill->pdata->gps_sync.io)) +// gpio_free(rfkill->pdata->gps_sync.io); +// +// if (gpio_is_valid(rfkill->pdata->ANTSEL2.io)) +// gpio_free(rfkill->pdata->ANTSEL2.io); +// +// if (gpio_is_valid(rfkill->pdata->ANTSEL3.io)) +// gpio_free(rfkill->pdata->ANTSEL3.io); +// +// if (gpio_is_valid(rfkill->pdata->GPS_LAN.io)) +// gpio_free(rfkill->pdata->GPS_LAN.io); + + kfree(rfkill); + g_rfkill = NULL; + + return 0; +} + +static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state) +{ + LOG("Enter %s\n", __func__); + return 0; +} + +static int rfkill_wlan_resume(struct platform_device *pdev) +{ + LOG("Enter %s\n", __func__); + return 0; +} + +#ifdef CONFIG_OF +static struct of_device_id pwm_backlight_of_match[] = { + { .compatible = "wlan-platdata" }, + { } +}; +MODULE_DEVICE_TABLE(of, pwm_backlight_of_match); +#endif //CONFIG_OF + +static struct platform_driver rfkill_wlan_driver = { + .probe = rfkill_wlan_probe, + .remove = rfkill_wlan_remove, + .suspend = rfkill_wlan_suspend, + .resume = rfkill_wlan_resume, + .driver = { + .name = "wlan-platdata", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(pwm_backlight_of_match), + }, +}; + +static int __init rfkill_wlan_init(void) +{ + LOG("Enter %s\n", __func__); + return platform_driver_register(&rfkill_wlan_driver); +} + +static void __exit rfkill_wlan_exit(void) +{ + LOG("Enter %s\n", __func__); + platform_driver_unregister(&rfkill_wlan_driver); +} + +module_init(rfkill_wlan_init); +module_exit(rfkill_wlan_exit); + +MODULE_DESCRIPTION("rock-chips rfkill for wifi v0.1"); +MODULE_AUTHOR("gwl@rock-chips.com"); +MODULE_LICENSE("GPL"); -- 2.34.1