+++ /dev/null
-/*
- * 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 <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/rfkill.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/regulator/consumer.h>
-#include <linux/delay.h>
-#include <linux/rfkill-wlan.h>
-#include <linux/interrupt.h>
-#include <asm/irq.h>
-#include <linux/suspend.h>
-#include <linux/proc_fs.h>
-#include <linux/uaccess.h>
-#include <linux/gpio.h>
-#include <dt-bindings/gpio/gpio.h>
-#include <linux/skbuff.h>
-#include <linux/fb.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/mmc/host.h>
-#ifdef CONFIG_OF
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
-#endif
-#include <linux/gpio/consumer.h>
-
-#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)
-
-extern struct mmc_host *primary_sdio_host;
-extern void mmc_pwrseq_power_off(struct mmc_host *host);
-
-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 int power_set_time = 0;
-static int support_power_ctrl =
- 0; //Used to control whether power switch control is supported.
-
-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"
-#elif defined(CONFIG_MVL88W8977)
- "mvl88w8977"
-#else
- "wlan_default"
-#endif
- ;
-
-static char wifi_chip_type_string[64];
-int get_wifi_chip_type(void)
-{
- int type;
- if (strcmp(wifi_chip_type_string, "ap6210") == 0) {
- type = WIFI_AP6210;
- } else if (strcmp(wifi_chip_type_string, "ap6212") == 0) {
- type = WIFI_AP6212;
- } else if (strcmp(wifi_chip_type_string, "rk901") == 0) {
- type = WIFI_RK901;
- } else if (strcmp(wifi_chip_type_string, "rk903") == 0) {
- type = WIFI_RK903;
- } else if (strcmp(wifi_chip_type_string, "ap6181") == 0) {
- type = WIFI_AP6181;
- } else if (strcmp(wifi_chip_type_string, "ap6234") == 0) {
- type = WIFI_AP6234;
- } else if (strcmp(wifi_chip_type_string, "ap6255") == 0) {
- type = WIFI_AP6255;
- } else if (strcmp(wifi_chip_type_string, "ap6256") == 0) {
- type = WIFI_AP6256;
- } else if (strcmp(wifi_chip_type_string, "ap6330") == 0) {
- type = WIFI_AP6330;
- } else if (strcmp(wifi_chip_type_string, "ap6335") == 0) {
- type = WIFI_AP6335;
- } else if (strcmp(wifi_chip_type_string, "ap6354") == 0) {
- type = WIFI_AP6354;
- } else if (strcmp(wifi_chip_type_string, "ap6441") == 0) {
- type = WIFI_AP6441;
- } else if (strcmp(wifi_chip_type_string, "ap6476") == 0) {
- type = WIFI_AP6476;
- } else if (strcmp(wifi_chip_type_string, "ap6493") == 0) {
- type = WIFI_AP6493;
- } else if (strcmp(wifi_chip_type_string, "rtl8188eu") == 0) {
- type = WIFI_RTL8188EU;
- } else if (strcmp(wifi_chip_type_string, "rtl8192du") == 0) {
- type = WIFI_RTL8192DU;
- } else if (strcmp(wifi_chip_type_string, "rtl8723as") == 0) {
- type = WIFI_RTL8723AS;
- } else if (strcmp(wifi_chip_type_string, "rtl8723bs_vq0") == 0) {
- type = WIFI_RTL8723BS_VQ0;
- } else if (strcmp(wifi_chip_type_string, "rtl8723bs") == 0) {
- type = WIFI_RTL8723BS;
- } else if (strcmp(wifi_chip_type_string, "rtl8723cs") == 0) {
- type = WIFI_RTL8723CS;
- } else if (strcmp(wifi_chip_type_string, "rtl8723ds") == 0) {
- type = WIFI_RTL8723DS;
- } else if (strcmp(wifi_chip_type_string, "rtl8723au") == 0) {
- type = WIFI_RTL8723AU;
- } else if (strcmp(wifi_chip_type_string, "rtl8723bu") == 0) {
- type = WIFI_RTL8723BU;
- } else if (strcmp(wifi_chip_type_string, "rtl8189es") == 0) {
- type = WIFI_RTL8189ES;
- } else if (strcmp(wifi_chip_type_string, "rtl8189fs") == 0) {
- type = WIFI_RTL8189FS;
- } else if (strcmp(wifi_chip_type_string, "rtl8812au") == 0) {
- type = WIFI_RTL8812AU;
- } else if (strcmp(wifi_chip_type_string, "esp8089") == 0) {
- type = WIFI_ESP8089;
- } else if (strcmp(wifi_chip_type_string, "mvl88w8977") == 0) {
- type = WIFI_MVL88W8977;
- } else if (strcmp(wifi_chip_type_string, "ssv6051") == 0) {
- type = WIFI_SSV6051;
- } else if (strcmp(wifi_chip_type_string, "aic8800") == 0) {
- type = WIFI_AIC8800;
- } else {
- type = WIFI_AP6210;
- }
- return type;
-}
-EXPORT_SYMBOL(get_wifi_chip_type);
-
-/***********************************************************
- *
- * Broadcom Wifi Static Memory
- *
- **********************************************************/
-#ifdef CONFIG_RKWIFI
-#define BCM_STATIC_MEMORY_SUPPORT 0
-#else
-#define BCM_STATIC_MEMORY_SUPPORT 0
-#endif
-//===========================
-#if BCM_STATIC_MEMORY_SUPPORT
-#define PREALLOC_WLAN_SEC_NUM 4
-#define PREALLOC_WLAN_BUF_NUM 160
-#define PREALLOC_WLAN_SECTION_HEADER 0
-#define WLAN_SKB_BUF_NUM 16
-
-#define WLAN_SECTION_SIZE_0 (12 * 1024)
-#define WLAN_SECTION_SIZE_1 (12 * 1024)
-#define WLAN_SECTION_SIZE_2 (32 * 1024)
-#define WLAN_SECTION_SIZE_3 (136 * 1024)
-#define WLAN_SECTION_SIZE_4 (4 * 1024)
-#define WLAN_SECTION_SIZE_5 (64 * 1024)
-#define WLAN_SECTION_SIZE_6 (4 * 1024)
-#define WLAN_SECTION_SIZE_7 (4 * 1024)
-
-static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM + 1];
-
-struct wifi_mem_prealloc {
- void *mem_ptr;
- unsigned long size;
-};
-
-static struct wifi_mem_prealloc wifi_mem_array[8] = {
- { NULL, (WLAN_SECTION_SIZE_0) }, { NULL, (WLAN_SECTION_SIZE_1) },
- { NULL, (WLAN_SECTION_SIZE_2) }, { NULL, (WLAN_SECTION_SIZE_3) },
- { NULL, (WLAN_SECTION_SIZE_4) }, { NULL, (WLAN_SECTION_SIZE_5) },
- { NULL, (WLAN_SECTION_SIZE_6) }, { NULL, (WLAN_SECTION_SIZE_7) }
-};
-
-static int rockchip_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)) ? (PAGE_SIZE * 1) :
- (PAGE_SIZE * 2)));
-
- if (!wlan_static_skb[i])
- goto err_skb_alloc;
- }
-
- wlan_static_skb[i] = dev_alloc_skb((PAGE_SIZE * 4));
- if (!wlan_static_skb[i])
- goto err_skb_alloc;
-
- for (i = 0; i <= 7; 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]);
- dev_kfree_skb(wlan_static_skb[j]);
-
- return -ENOMEM;
-}
-
-void *rockchip_mem_prealloc(int section, unsigned long size)
-{
- if (section == PREALLOC_WLAN_SEC_NUM)
- return wlan_static_skb;
-
- if ((section < 0) || (section > 7))
- return NULL;
-
- if (wifi_mem_array[section].size < size)
- return NULL;
-
- return wifi_mem_array[section].mem_ptr;
-}
-#else
-void *rockchip_mem_prealloc(int section, unsigned long size)
-{
- return NULL;
-}
-#endif
-EXPORT_SYMBOL(rockchip_mem_prealloc);
-
-/**************************************************************************
- *
- * get wifi power state Func
- *
- *************************************************************************/
-static int wifi_power_state = 0;
-int rfkill_get_wifi_power_state(int *power, int *vref_ctrl_enable)
-{
- struct rfkill_wlan_data *mrfkill = g_rfkill;
-
- if (mrfkill == NULL) {
- LOG("%s: rfkill-wlan driver has not Successful initialized\n",
- __func__);
- return -1;
- }
-
- *power = wifi_power_state;
-
- return 0;
-}
-
-/**************************************************************************
- *
- * Wifi Power Control Func
- * 0 -> power off
- * 1 -> power on
- *
- *************************************************************************/
-int rockchip_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->wifi_power_remain && power_set_time) {
- LOG("%s: wifi power is setted to be remain on. skip anything to the power control",
- __func__);
- return 0;
- } else
- power_set_time++;
-
- if (mrfkill->pdata->mregulator.power_ctrl_by_pmu) {
- int ret = -1;
- char *ldostr;
- 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 || IS_ERR(ldo)) {
- LOG("\n\n\n%s get ldo error,please mod this\n\n\n",
- __func__);
- return -1;
- } else {
- if (on == level) {
- regulator_set_voltage(ldo, 3000000, 3000000);
- LOG("%s: %s enabled\n", __func__, ldostr);
- ret = regulator_enable(ldo);
- wifi_power_state = 1;
- LOG("wifi turn on power.\n");
- } else {
- LOG("%s: %s disabled\n", __func__, ldostr);
- while (regulator_is_enabled(ldo) > 0) {
- ret = regulator_disable(ldo);
- }
- wifi_power_state = 0;
- LOG("wifi shut off power.\n");
- }
- regulator_put(ldo);
- msleep(100);
- }
- } else {
- poweron = &mrfkill->pdata->power_n;
- reset = &mrfkill->pdata->reset_n;
-
- if (on) {
- if (!IS_ERR_OR_NULL(poweron->gpiod)) {
- gpiod_set_value(poweron->gpiod,
- poweron->enable);
- msleep(500);
- }
-
- if (!IS_ERR_OR_NULL(reset->gpiod)) {
- gpiod_set_value(reset->gpiod, reset->enable);
- msleep(100);
- }
-
- wifi_power_state = 1;
- LOG("wifi turn on power.\n");
- } else {
- if (!IS_ERR_OR_NULL(poweron->gpiod)) {
- gpiod_set_value(poweron->gpiod,
- !(poweron->enable));
- msleep(100);
- }
-
- if (!IS_ERR_OR_NULL(reset->gpiod)) {
- gpiod_set_value(reset->gpiod, !(reset->enable));
- }
-
- wifi_power_state = 0;
- LOG("wifi shut off power.\n");
- }
- }
-
- return 0;
-}
-EXPORT_SYMBOL(rockchip_wifi_power);
-
-/**************************************************************************
- *
- * Wifi Sdio Detect Func
- *
- *************************************************************************/
-extern int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
-int rockchip_wifi_set_carddetect(int val)
-{
- // return mmc_host_rescan(NULL, val, 1);
- return 0;
-}
-EXPORT_SYMBOL(rockchip_wifi_set_carddetect);
-
-/**************************************************************************
- *
- * Wifi Get Interrupt irq Func
- *
- *************************************************************************/
-int rockchip_wifi_get_oob_irq(void)
-{
- struct rfkill_wlan_data *mrfkill = g_rfkill;
- struct rksdmmc_gpio *wifi_int_irq;
-
- LOG("%s: Enter\n", __func__);
-
- if (mrfkill == NULL) {
- LOG("%s: rfkill-wlan driver has not Successful initialized\n",
- __func__);
- return -1;
- }
-
- wifi_int_irq = &mrfkill->pdata->wifi_int_b;
- if (!IS_ERR_OR_NULL(wifi_int_irq->gpiod)) {
- return gpiod_to_irq(wifi_int_irq->gpiod);
- //return wifi_int_irq->io;
- } else {
- LOG("%s: wifi OOB pin isn't defined.\n", __func__);
- }
-
- return -1;
-}
-EXPORT_SYMBOL(rockchip_wifi_get_oob_irq);
-
-int rockchip_wifi_get_oob_irq_flag(void)
-{
- struct rfkill_wlan_data *mrfkill = g_rfkill;
- struct rksdmmc_gpio *wifi_int_irq;
- int gpio_flags = -1;
-
- if (mrfkill) {
- wifi_int_irq = &mrfkill->pdata->wifi_int_b;
- if (!IS_ERR_OR_NULL(wifi_int_irq->gpiod))
- gpio_flags = wifi_int_irq->enable;
- }
-
- return gpio_flags;
-}
-EXPORT_SYMBOL(rockchip_wifi_get_oob_irq_flag);
-
-/**************************************************************************
- *
- * Wifi Reset Func
- *
- *************************************************************************/
-int rockchip_wifi_reset(int on)
-{
- return 0;
-}
-EXPORT_SYMBOL(rockchip_wifi_reset);
-
-/**************************************************************************
- *
- * Wifi MAC custom Func
- *
- *************************************************************************/
-#include <linux/etherdevice.h>
-#include <linux/errno.h>
-u8 wifi_custom_mac_addr[6] = { 0, 0, 0, 0, 0, 0 };
-
-int rockchip_wifi_mac_addr(unsigned char *buf)
-{
- char mac_buf[20] = { 0 };
-
- LOG("%s: enter.\n", __func__);
-
- 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 (!strncmp(wifi_chip_type_string, "rtl", 3))
- wifi_custom_mac_addr[0] &= ~0x2; // for p2p
- } else {
- LOG("This mac address is not valid, ignored...\n");
- return -1;
- }
-
- memcpy(buf, wifi_custom_mac_addr, 6);
-
- return 0;
-}
-EXPORT_SYMBOL(rockchip_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 *rockchip_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;
-}
-EXPORT_SYMBOL(rockchip_wifi_country_code);
-/**************************************************************************/
-
-#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;
- const char *strings;
- u32 value;
- int ret;
- u32 ext_clk_value = 0;
- struct gpio_desc *gpiod;
-
- if (!node)
- return -ENODEV;
-
- memset(data, 0, sizeof(*data));
-
-#ifdef CONFIG_MFD_SYSCON
- data->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
- if (IS_ERR(data->grf)) {
- LOG("can't find rockchip,grf property\n");
- //return -1;
- }
-#endif
-
- ret = of_property_read_string(node, "wifi_chip_type", &strings);
- if (ret) {
- LOG("%s: Can not read wifi_chip_type, set default to rkwifi.\n",
- __func__);
- strcpy(wifi_chip_type_string, "rkwifi");
- } else {
- strcpy(wifi_chip_type_string, strings);
- }
-
- LOG("%s: wifi_chip_type = %s\n", __func__, wifi_chip_type_string);
-
- if (of_find_property(node, "keep_wifi_power_on", NULL)) {
- data->wifi_power_remain = true;
- LOG("%s: wifi power will enabled while kernel starting and keep on.\n",
- __func__);
- } else {
- data->wifi_power_remain = false;
- LOG("%s: enable wifi power control.\n", __func__);
- }
-
- if (of_find_property(node, "power_ctrl_by_pmu", NULL)) {
- data->mregulator.power_ctrl_by_pmu = true;
- ret = of_property_read_string(node, "power_pmu_regulator",
- &strings);
- if (ret) {
- LOG("%s: Can not read property: power_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(node, "power_pmu_enable_level",
- &value);
- if (ret) {
- LOG("%s: Can not read property: power_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 {
- int gpio_number;
-
- data->mregulator.power_ctrl_by_pmu = false;
- LOG("%s: wifi power controled by gpio.\n", __func__);
-
- gpiod = devm_gpiod_get_optional(dev, "WIFI,poweren_gpio",
- GPIOD_OUT_LOW);
- if (PTR_ERR_OR_ZERO(gpiod)) {
- ret = PTR_ERR(gpiod);
- if (ret == -EPROBE_DEFER)
- return ret;
- dev_err(dev,
- "Failed to get WIFI power enable GPIO: %d\n",
- ret);
- return ret;
- }
-
- data->power_n.gpiod = gpiod;
- data->power_n.enable = 1;
- gpio_number = desc_to_gpio(gpiod);
- LOG("%s: get property: WIFI,poweren_gpio = %d\n", __func__,
- gpio_number);
-
- if (of_find_property(node, "support_power_ctrl", NULL)) {
- support_power_ctrl = true;
- LOG("%s: Turn off the power during suspension and turn it on when resuming, support_power_ctrl = %d.\n",
- __func__, support_power_ctrl);
- } else {
- support_power_ctrl = false;
- LOG("%s: power is only turned on during initialization and is not controlled afterwards, support_power_ctrl = %d.\n",
- __func__, support_power_ctrl);
- }
-
- data->vbat_n.gpiod = NULL;
- data->reset_n.gpiod = NULL;
- data->wifi_int_b.gpiod = NULL;
- }
-
- data->ext_clk = devm_clk_get(dev, "clk_wifi");
- if (IS_ERR(data->ext_clk)) {
- LOG("%s: The ref_wifi_clk not found !\n", __func__);
- } else {
- of_property_read_u32(node, "ref-clock-frequency",
- &ext_clk_value);
- if (ext_clk_value > 0) {
- ret = clk_set_rate(data->ext_clk, ext_clk_value);
- if (ret)
- LOG("%s: set ref clk error!\n", __func__);
- ret = clk_prepare_enable(data->ext_clk);
- if (ret)
- LOG("%s: enable ref clk error!\n", __func__);
- /* WIFI clock (REF_CLKOUT) output enable.
- * 1'b0: drive disable
- * 1'b1: output enable
- */
- if (of_machine_is_compatible("rockchip,rk3308"))
- regmap_write(data->grf, 0x0314, 0x00020002);
- }
- }
-
- return 0;
-}
-#endif //CONFIG_OF
-
-#if defined(CONFIG_HAS_EARLYSUSPEND)
-#include <linux/earlysuspend.h>
-
-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 void
-rfkill_wlan_early_suspend(void)
-{
- return;
-}
-
-static void rfkill_wlan_later_resume(void)
-{
- return;
-}
-
-static int rfkill_wlan_fb_event_notify(struct notifier_block *self,
- unsigned long action, void *data)
-{
- struct fb_event *event = data;
- int blank_mode = *((int *)event->data);
-
- switch (blank_mode) {
- case FB_BLANK_UNBLANK:
- rfkill_wlan_later_resume();
- break;
- case FB_BLANK_NORMAL:
- rfkill_wlan_early_suspend();
- break;
- default:
- rfkill_wlan_early_suspend();
- break;
- }
-
- return 0;
-}
-
-static struct notifier_block rfkill_wlan_fb_notifier = {
- .notifier_call = rfkill_wlan_fb_event_notify,
-};
-
-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;
-
- if (pdata->wifi_power_remain)
- rockchip_wifi_power(1);
-
-#if BCM_STATIC_MEMORY_SUPPORT
- rockchip_init_wifi_mem();
-#endif
-
-#if defined(CONFIG_HAS_EARLYSUSPEND)
- register_early_suspend(wlan_early_suspend);
-#endif
-
- fb_register_client(&rfkill_wlan_fb_notifier);
-
- LOG("Exit %s\n", __func__);
-
- return 0;
-
-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__);
-
- fb_unregister_client(&rfkill_wlan_fb_notifier);
-
- kfree(rfkill);
- g_rfkill = NULL;
-
- return 0;
-}
-
-static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state)
-{
- struct rfkill_wlan_data *mrfkill = g_rfkill;
- struct rksdmmc_gpio *poweron, *reset;
- poweron = &mrfkill->pdata->power_n;
- reset = &mrfkill->pdata->reset_n;
-
- if (support_power_ctrl) {
- if (!IS_ERR_OR_NULL(poweron->gpiod)) {
- gpiod_set_value(poweron->gpiod, !(poweron->enable));
- msleep(100);
- }
-
- if (!IS_ERR_OR_NULL(reset->gpiod)) {
- gpiod_set_value(reset->gpiod, !(reset->enable));
- }
-
- wifi_power_state = 0;
- LOG("wifi shut off power.\n");
- }
-
- LOG("Enter %s\n", __func__);
- return 0;
-}
-
-static int rfkill_wlan_resume(struct platform_device *pdev)
-{
- struct rfkill_wlan_data *mrfkill = g_rfkill;
- struct rksdmmc_gpio *poweron, *reset;
- poweron = &mrfkill->pdata->power_n;
- reset = &mrfkill->pdata->reset_n;
-
- if (support_power_ctrl) {
- if (!IS_ERR_OR_NULL(poweron->gpiod)) {
- gpiod_set_value(poweron->gpiod, poweron->enable);
- msleep(500);
- }
-
- if (!IS_ERR_OR_NULL(reset->gpiod)) {
- gpiod_set_value(reset->gpiod, reset->enable);
- msleep(100);
- }
-
- wifi_power_state = 1;
- LOG("wifi turn on power\n");
- }
-
- LOG("Enter %s\n", __func__);
- return 0;
-}
-
-#ifdef CONFIG_OF
-static struct of_device_id wlan_platdata_of_match[] = {
- { .compatible = "wlan-platdata" },
- {}
-};
-MODULE_DEVICE_TABLE(of, wlan_platdata_of_match);
-#endif
-
-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(wlan_platdata_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");
projects / platform / kernel / linux-thead.git / commitdiff