2 * Copyright (C) 2012 ROCKCHIP, Inc.
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 /* Rock-chips rfkill driver for wifi
17 #include <linux/kernel.h>
18 #include <linux/platform_device.h>
19 #include <linux/module.h>
20 #include <linux/rfkill.h>
21 #include <linux/init.h>
22 #include <linux/slab.h>
24 #include <linux/regulator/consumer.h>
25 #include <linux/delay.h>
26 #include <linux/rfkill-wlan.h>
27 #include <linux/rfkill-bt.h>
28 #include <linux/wakelock.h>
29 #include <linux/interrupt.h>
31 #include <linux/suspend.h>
32 #include <linux/proc_fs.h>
33 #include <linux/uaccess.h>
34 #include <linux/gpio.h>
35 #include <linux/rockchip/iomap.h>
36 #include <dt-bindings/gpio/gpio.h>
37 #include <linux/skbuff.h>
38 #include <linux/rockchip/cpu.h>
41 #include <linux/of_device.h>
42 #include <linux/of_gpio.h>
46 #define DBG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
51 #define LOG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
53 struct rfkill_wlan_data {
54 struct rksdmmc_gpio_wifi_moudle *pdata;
55 struct wake_lock wlan_irq_wl;
58 static struct rfkill_wlan_data *g_rfkill = NULL;
60 static const char wlan_name[] =
61 #if defined (CONFIG_BCM4330)
62 #if defined (CONFIG_BT_MODULE_NH660)
67 #elif defined (CONFIG_RK903)
68 #if defined(CONFIG_RKWIFI_26M)
73 #elif defined(CONFIG_BCM4329)
75 #elif defined(CONFIG_MV8787)
77 #elif defined(CONFIG_AP6210)
78 #if defined(CONFIG_RKWIFI_26M)
83 #elif defined(CONFIG_AP6330)
85 #elif defined(CONFIG_AP6476)
87 #elif defined(CONFIG_AP6493)
94 static char wifi_chip_type_string[64];
95 int get_wifi_chip_type(void)
98 if (strcmp(wifi_chip_type_string, "rkwifi") == 0) {
100 } else if (strcmp(wifi_chip_type_string, "rtl8188eu") == 0) {
101 type = WIFI_RTL8188EU;
102 } else if (strcmp(wifi_chip_type_string, "esp8089") == 0) {
109 EXPORT_SYMBOL(get_wifi_chip_type);
111 /***********************************************************
113 * Broadcom Wifi Static Memory
115 **********************************************************/
117 #define BCM_STATIC_MEMORY_SUPPORT 1
119 #define BCM_STATIC_MEMORY_SUPPORT 0
121 //===========================
122 #if BCM_STATIC_MEMORY_SUPPORT
123 #define PREALLOC_WLAN_SEC_NUM 4
124 #define PREALLOC_WLAN_BUF_NUM 160
125 #define PREALLOC_WLAN_SECTION_HEADER 0
126 #define WLAN_SKB_BUF_NUM 16
128 #define WLAN_SECTION_SIZE_0 (12 * 1024)
129 #define WLAN_SECTION_SIZE_1 (12 * 1024)
130 #define WLAN_SECTION_SIZE_2 (32 * 1024)
131 #define WLAN_SECTION_SIZE_3 (136* 1024)
132 #define WLAN_SECTION_SIZE_4 (4 * 1024)
133 #define WLAN_SECTION_SIZE_5 (64 * 1024)
134 #define WLAN_SECTION_SIZE_6 (4 * 1024)
135 #define WLAN_SECTION_SIZE_7 (4 * 1024)
137 static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM+1];
139 struct wifi_mem_prealloc {
144 static struct wifi_mem_prealloc wifi_mem_array[8] = {
145 {NULL, (WLAN_SECTION_SIZE_0)},
146 {NULL, (WLAN_SECTION_SIZE_1)},
147 {NULL, (WLAN_SECTION_SIZE_2)},
148 {NULL, (WLAN_SECTION_SIZE_3)},
149 {NULL, (WLAN_SECTION_SIZE_4)},
150 {NULL, (WLAN_SECTION_SIZE_5)},
151 {NULL, (WLAN_SECTION_SIZE_6)},
152 {NULL, (WLAN_SECTION_SIZE_7)}
155 static int rockchip_init_wifi_mem(void)
160 for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) {
161 wlan_static_skb[i] = dev_alloc_skb(
162 ((i < (WLAN_SKB_BUF_NUM / 2)) ? (PAGE_SIZE*1) : (PAGE_SIZE*2)));
164 if (!wlan_static_skb[i])
168 wlan_static_skb[i] = dev_alloc_skb((PAGE_SIZE*4));
169 if (!wlan_static_skb[i])
172 for (i = 0 ; i <= 7; i++) {
173 wifi_mem_array[i].mem_ptr =
174 kmalloc(wifi_mem_array[i].size, GFP_KERNEL);
176 if (!wifi_mem_array[i].mem_ptr)
182 pr_err("Failed to mem_alloc for WLAN\n");
183 for (j = 0 ; j < i ; j++)
184 kfree(wifi_mem_array[j].mem_ptr);
185 i = WLAN_SKB_BUF_NUM;
187 pr_err("Failed to skb_alloc for WLAN\n");
188 for (j = 0 ; j < i ; j++)
189 dev_kfree_skb(wlan_static_skb[j]);
190 dev_kfree_skb(wlan_static_skb[j]);
195 void *rockchip_mem_prealloc(int section, unsigned long size)
197 //printk("rockchip_mem_prealloc: section = %d, size = %d\n", section, size);
198 if (section == PREALLOC_WLAN_SEC_NUM)
199 return wlan_static_skb;
201 if ((section < 0) || (section > 7))
204 if (wifi_mem_array[section].size < size)
207 return wifi_mem_array[section].mem_ptr;
210 void *rockchip_mem_prealloc(int section, unsigned long size) { return NULL;}
212 EXPORT_SYMBOL(rockchip_mem_prealloc);
214 /**************************************************************************
216 * get wifi power state Func
218 *************************************************************************/
219 static int wifi_power_state = 0;
220 int rfkill_get_wifi_power_state(int *power, int *vref_ctrl_enable)
222 struct rfkill_wlan_data *mrfkill = g_rfkill;
224 if (mrfkill == NULL) {
225 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
229 if (mrfkill->pdata->vref_ctrl_enble)
230 *vref_ctrl_enable = 1;
231 *power = wifi_power_state;
236 /**************************************************************************
238 * wifi reference voltage control Func
240 *************************************************************************/
241 int rockchip_wifi_ref_voltage(int on)
243 struct rfkill_wlan_data *mrfkill = g_rfkill;
244 struct rksdmmc_gpio *vddio;
245 struct regulator *ldo = NULL;
249 LOG("%s: %d\n", __func__, on);
251 if (mrfkill == NULL) {
252 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
256 if (!mrfkill->pdata->vref_ctrl_enble) {
257 LOG("%s: wifi io reference voltage control is disabled.\n", __func__);
261 if (!rfkill_get_bt_power_state(&power, &toggle)) {
263 LOG("%s: wifi shouldn't control io reference voltage, BT is running!\n", __func__);
268 if (mrfkill->pdata->ioregulator.power_ctrl_by_pmu) {
271 int level = mrfkill->pdata->ioregulator.enable;
272 int voltage = 1000 * mrfkill->pdata->sdio_vol;
274 ldostr = mrfkill->pdata->ioregulator.pmu_regulator;
275 if (ldostr == NULL) {
276 LOG("%s: wifi io reference voltage set to be controled by pmic, but which one?\n", __func__);
279 ldo = regulator_get(NULL, ldostr);
280 if (ldo == NULL || IS_ERR(ldo)) {
281 LOG("\n\n\n%s get ldo error,please mod this\n\n\n", __func__);
285 if(cpu_is_rk3036() || cpu_is_rk312x())
287 /*regulator_set_voltage(ldo, voltage, voltage);
288 LOG("%s: %s enabled, level = %d\n", __func__, ldostr, voltage);
289 ret = regulator_enable(ldo);
290 LOG("wifi turn on io reference voltage.\n");*/
292 regulator_set_voltage(ldo, voltage, voltage);
293 LOG("%s: %s enabled, level = %d\n", __func__, ldostr, voltage);
294 ret = regulator_enable(ldo);
295 LOG("wifi turn on io reference voltage.\n");
298 LOG("%s: %s disabled\n", __func__, ldostr);
299 while (regulator_is_enabled(ldo) > 0) {
300 ret = regulator_disable(ldo);
302 LOG("wifi shut off io reference voltage.\n");
308 vddio = &mrfkill->pdata->power_n;
311 if (gpio_is_valid(vddio->io)) {
312 gpio_set_value(vddio->io, vddio->enable);
316 LOG("wifi turn on io reference voltage.\n");
318 if (gpio_is_valid(vddio->io)) {
319 gpio_set_value(vddio->io, !(vddio->enable));
323 LOG("wifi shut off io reference voltage.\n");
330 /**************************************************************************
332 * Wifi Power Control Func
336 *************************************************************************/
337 int rockchip_wifi_power(int on)
339 struct rfkill_wlan_data *mrfkill = g_rfkill;
340 struct rksdmmc_gpio *poweron, *reset;
341 struct regulator *ldo = NULL;
345 LOG("%s: %d\n", __func__, on);
347 if (mrfkill == NULL) {
348 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
352 if (!rfkill_get_bt_power_state(&power, &toggle)) {
353 if (toggle == true && power == 1) {
354 LOG("%s: wifi shouldn't control the power, it was enabled by BT!\n", __func__);
360 rockchip_wifi_ref_voltage(1);
362 if (mrfkill->pdata->mregulator.power_ctrl_by_pmu) {
365 int level = mrfkill->pdata->mregulator.enable;
367 ldostr = mrfkill->pdata->mregulator.pmu_regulator;
368 if (ldostr == NULL) {
369 LOG("%s: wifi power set to be controled by pmic, but which one?\n", __func__);
372 ldo = regulator_get(NULL, ldostr);
373 if (ldo == NULL || IS_ERR(ldo)) {
374 LOG("\n\n\n%s get ldo error,please mod this\n\n\n", __func__);
378 regulator_set_voltage(ldo, 3000000, 3000000);
379 LOG("%s: %s enabled\n", __func__, ldostr);
380 ret = regulator_enable(ldo);
381 wifi_power_state = 1;
382 LOG("wifi turn on power.\n");
384 LOG("%s: %s disabled\n", __func__, ldostr);
385 while (regulator_is_enabled(ldo) > 0) {
386 ret = regulator_disable(ldo);
388 wifi_power_state = 0;
389 LOG("wifi shut off power.\n");
395 poweron = &mrfkill->pdata->power_n;
396 reset = &mrfkill->pdata->reset_n;
399 if (gpio_is_valid(poweron->io)) {
400 gpio_set_value(poweron->io, poweron->enable);
404 if (gpio_is_valid(reset->io)) {
405 gpio_set_value(reset->io, reset->enable);
409 wifi_power_state = 1;
410 LOG("wifi turn on power. %d\n", poweron->io);
412 if (gpio_is_valid(poweron->io)) {
413 gpio_set_value(poweron->io, !(poweron->enable));
417 if (gpio_is_valid(reset->io)) {
418 gpio_set_value(reset->io, !(reset->enable));
421 wifi_power_state = 0;
422 LOG("wifi shut off power.\n");
427 rockchip_wifi_ref_voltage(0);
431 EXPORT_SYMBOL(rockchip_wifi_power);
433 /**************************************************************************
435 * Wifi Sdio Detect Func
437 *************************************************************************/
438 #include <linux/mmc/host.h>
439 extern int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
440 int rockchip_wifi_set_carddetect(int val)
443 chip = get_wifi_chip_type();
445 /* irq_type : 0, oob; 1, cap-sdio-irq */
446 if (chip == WIFI_ESP8089)
451 return mmc_host_rescan(NULL, val, irq_type);//NULL => SDIO host
453 EXPORT_SYMBOL(rockchip_wifi_set_carddetect);
455 /**************************************************************************
457 * Wifi Get Interrupt irq Func
459 *************************************************************************/
460 int rockchip_wifi_get_oob_irq(void)
462 struct rfkill_wlan_data *mrfkill = g_rfkill;
463 struct rksdmmc_gpio *wifi_int_irq;
465 LOG("%s: Enter\n", __func__);
467 if (mrfkill == NULL) {
468 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
472 wifi_int_irq = &mrfkill->pdata->wifi_int_b;
473 if (gpio_is_valid(wifi_int_irq->io)) {
474 return gpio_to_irq(wifi_int_irq->io);
475 //return wifi_int_irq->io;
477 LOG("%s: wifi OOB pin isn't defined.\n", __func__);
482 EXPORT_SYMBOL(rockchip_wifi_get_oob_irq);
484 /**************************************************************************
488 *************************************************************************/
489 int rockchip_wifi_reset(int on)
493 EXPORT_SYMBOL(rockchip_wifi_reset);
495 /**************************************************************************
497 * Wifi MAC custom Func
499 *************************************************************************/
500 #include <linux/etherdevice.h>
501 u8 wifi_custom_mac_addr[6] = {0,0,0,0,0,0};
502 extern char GetSNSectorInfo(char * pbuf);
503 int rockchip_wifi_mac_addr(unsigned char *buf)
507 char mac_buf[20] = {0};
508 LOG("%s: enter.\n", __func__);
511 if(is_zero_ether_addr(wifi_custom_mac_addr)) {
513 char *tempBuf = kmalloc(512, GFP_KERNEL);
515 GetSNSectorInfo(tempBuf);
516 for (i = 506; i <= 511; i++)
517 wifi_custom_mac_addr[i-506] = tempBuf[i];
524 sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1],
525 wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]);
526 LOG("falsh wifi_custom_mac_addr=[%s]\n", mac_buf);
528 if (is_valid_ether_addr(wifi_custom_mac_addr)) {
529 if (2 == (wifi_custom_mac_addr[0] & 0x0F)) {
530 LOG("This mac address come into conflict with the address of direct, ignored...\n");
534 LOG("This mac address is not valid, ignored...\n");
538 #if defined(CONFIG_RKWIFI)
539 memcpy(buf, wifi_custom_mac_addr, 6);
541 memcpy(buf, mac_buf, strlen(mac_buf));//realtek's wifi use this branch
546 EXPORT_SYMBOL(rockchip_wifi_mac_addr);
548 /**************************************************************************
550 * wifi get country code func
552 *************************************************************************/
553 struct cntry_locales_custom {
554 char iso_abbrev[4]; /* ISO 3166-1 country abbreviation */
555 char custom_locale[4]; /* Custom firmware locale */
556 int custom_locale_rev; /* Custom local revisin default -1 */
559 static struct cntry_locales_custom country_cloc;
561 void *rockchip_wifi_country_code(char *ccode)
563 struct cntry_locales_custom *mcloc;
565 LOG("%s: set country code [%s]\n", __func__, ccode);
566 mcloc = &country_cloc;
567 memcpy(mcloc->custom_locale, ccode, 4);
568 mcloc->custom_locale_rev = 0;
572 EXPORT_SYMBOL(rockchip_wifi_country_code);
573 /**************************************************************************/
575 static int rockchip_wifi_voltage_select(void)
577 struct rfkill_wlan_data *mrfkill = g_rfkill;
580 if (mrfkill == NULL) {
581 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
584 voltage = mrfkill->pdata->sdio_vol;
585 if (voltage > 2700 && voltage < 3500) {
586 writel_relaxed(0x00100000, RK_GRF_VIRT+0x380); //3.3
587 LOG("%s: wifi & sdio reference voltage: 3.3V\n", __func__);
588 } else if (voltage > 1500 && voltage < 1950) {
589 writel_relaxed(0x00100010, RK_GRF_VIRT+0x380); //1.8
590 LOG("%s: wifi & sdio reference voltage: 1.8V\n", __func__);
592 LOG("%s: unsupport wifi & sdio reference voltage!\n", __func__);
599 static int rfkill_rk_setup_gpio(struct rksdmmc_gpio *gpio, const char* prefix, const char* name)
601 if (gpio_is_valid(gpio->io)) {
603 sprintf(gpio->name, "%s_%s", prefix, name);
604 ret = gpio_request(gpio->io, gpio->name);
606 LOG("Failed to get %s gpio.\n", gpio->name);
615 static int wlan_platdata_parse_dt(struct device *dev,
616 struct rksdmmc_gpio_wifi_moudle *data)
618 struct device_node *node = dev->of_node;
622 enum of_gpio_flags flags;
627 memset(data, 0, sizeof(*data));
629 ret = of_property_read_string(node, "wifi_chip_type", &strings);
631 printk("%s: Can not read wifi_chip_type, set default to rkwifi.\n", __func__);
632 strcpy(wifi_chip_type_string, "rkwifi");
634 strcpy(wifi_chip_type_string, strings);
635 printk("%s: wifi_chip_type = %s\n", __func__, wifi_chip_type_string);
637 if(cpu_is_rk3036() || cpu_is_rk312x()){
638 /* ret = of_property_read_u32(node, "sdio_vref", &value);
640 LOG("%s: Can't get sdio vref.", __func__);
643 data->sdio_vol = value;*/
645 ret = of_property_read_u32(node, "sdio_vref", &value);
647 LOG("%s: Can't get sdio vref.", __func__);
650 data->sdio_vol = value;
653 if (of_find_property(node, "vref_ctrl_enable", NULL)) {
654 LOG("%s: enable wifi io reference voltage control.\n", __func__);
655 data->vref_ctrl_enble = true;
656 if (of_find_property(node, "vref_ctrl_gpio", NULL)) {
657 gpio = of_get_named_gpio_flags(node, "vref_ctrl_gpio", 0, &flags);
658 if (gpio_is_valid(gpio)){
659 data->vddio.io = gpio;
660 data->vddio.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
661 data->ioregulator.power_ctrl_by_pmu = false;
662 LOG("%s: get property: vref_ctrl_gpio = %d, flags = %d.\n", __func__, gpio, flags);
665 data->vref_ctrl_enble = false;
666 LOG("%s: vref_ctrl_gpio defined invalid, disable wifi io reference voltage control.\n", __func__);
669 data->ioregulator.power_ctrl_by_pmu = true;
670 ret = of_property_read_string(node, "vref_pmu_regulator", &strings);
672 LOG("%s: Can not read property: vref_pmu_regulator.\n", __func__);
673 data->vref_ctrl_enble = false;
674 data->ioregulator.power_ctrl_by_pmu = false;
676 LOG("%s: wifi io reference voltage controled by pmu(%s).\n", __func__, strings);
677 sprintf(data->ioregulator.pmu_regulator, "%s", strings);
679 ret = of_property_read_u32(node, "vref_pmu_enable_level", &value);
681 LOG("%s: Can not read property: vref_pmu_enable_level.\n", __func__);
682 data->vref_ctrl_enble = false;
683 data->ioregulator.power_ctrl_by_pmu = false;
685 LOG("%s: wifi io reference voltage controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
686 data->ioregulator.enable = value;
690 data->vref_ctrl_enble = false;
691 LOG("%s: disable wifi io reference voltage control.\n", __func__);
694 if (of_find_property(node, "power_ctrl_by_pmu", NULL)) {
695 data->mregulator.power_ctrl_by_pmu = true;
696 ret = of_property_read_string(node, "power_pmu_regulator", &strings);
698 LOG("%s: Can not read property: power_pmu_regulator.\n", __func__);
699 data->mregulator.power_ctrl_by_pmu = false;
701 LOG("%s: wifi power controled by pmu(%s).\n", __func__, strings);
702 sprintf(data->mregulator.pmu_regulator, "%s", strings);
704 ret = of_property_read_u32(node, "power_pmu_enable_level", &value);
706 LOG("%s: Can not read property: power_pmu_enable_level.\n", __func__);
707 data->mregulator.power_ctrl_by_pmu = false;
709 LOG("%s: wifi power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
710 data->mregulator.enable = value;
713 data->mregulator.power_ctrl_by_pmu = false;
714 LOG("%s: wifi power controled by gpio.\n", __func__);
715 gpio = of_get_named_gpio_flags(node, "WIFI,poweren_gpio", 0, &flags);
716 if (gpio_is_valid(gpio)){
717 data->power_n.io = gpio;
718 data->power_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
719 LOG("%s: get property: WIFI,poweren_gpio = %d, flags = %d.\n", __func__, gpio, flags);
720 } else data->power_n.io = -1;
721 gpio = of_get_named_gpio_flags(node, "WIFI,reset_gpio", 0, &flags);
722 if (gpio_is_valid(gpio)){
723 data->reset_n.io = gpio;
724 data->reset_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
725 LOG("%s: get property: WIFI,reset_gpio = %d, flags = %d.\n", __func__, gpio, flags);
726 } else data->reset_n.io = -1;
727 gpio = of_get_named_gpio_flags(node, "WIFI,host_wake_irq", 0, &flags);
728 if (gpio_is_valid(gpio)){
729 data->wifi_int_b.io = gpio;
730 data->wifi_int_b.enable = flags;
731 LOG("%s: get property: WIFI,host_wake_irq = %d, flags = %d.\n", __func__, gpio, flags);
732 } else data->wifi_int_b.io = -1;
739 #if defined(CONFIG_HAS_EARLYSUSPEND)
740 #include <linux/earlysuspend.h>
742 static void wlan_early_suspend(struct early_suspend *h)
744 LOG("%s :enter\n", __func__);
749 static void wlan_late_resume(struct early_suspend *h)
751 LOG("%s :enter\n", __func__);
756 struct early_suspend wlan_early_suspend {
757 .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
758 .suspend = wlan_early_suspend;
759 .resume = wlan_late_resume;
763 static int rfkill_wlan_probe(struct platform_device *pdev)
765 struct rfkill_wlan_data *rfkill;
766 struct rksdmmc_gpio_wifi_moudle *pdata = pdev->dev.platform_data;
769 LOG("Enter %s\n", __func__);
773 pdata = kzalloc(sizeof(struct rksdmmc_gpio_wifi_moudle), GFP_KERNEL);
777 ret = wlan_platdata_parse_dt(&pdev->dev, pdata);
780 LOG("%s: No platform data specified\n", __func__);
787 rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
789 goto rfkill_alloc_fail;
791 rfkill->pdata = pdata;
794 LOG("%s: init gpio\n", __func__);
796 if (!pdata->mregulator.power_ctrl_by_pmu) {
797 ret = rfkill_rk_setup_gpio(&pdata->power_n, wlan_name, "wlan_poweren");
798 if (ret) goto fail_alloc;
800 ret = rfkill_rk_setup_gpio(&pdata->reset_n, wlan_name, "wlan_reset");
801 if (ret) goto fail_alloc;
804 wake_lock_init(&(rfkill->wlan_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_wlan_wake");
806 // Turn off wifi power as default
807 if (gpio_is_valid(pdata->power_n.io))
809 gpio_direction_output(pdata->power_n.io, !pdata->power_n.enable);
812 rockchip_wifi_voltage_select();
814 #if BCM_STATIC_MEMORY_SUPPORT
815 rockchip_init_wifi_mem();
818 #if defined(CONFIG_HAS_EARLYSUSPEND)
819 register_early_suspend(wlan_early_suspend);
822 LOG("Exit %s\n", __func__);
836 static int rfkill_wlan_remove(struct platform_device *pdev)
838 struct rfkill_wlan_data *rfkill = platform_get_drvdata(pdev);
840 LOG("Enter %s\n", __func__);
842 wake_lock_destroy(&rfkill->wlan_irq_wl);
844 if (gpio_is_valid(rfkill->pdata->power_n.io))
845 gpio_free(rfkill->pdata->power_n.io);
847 if (gpio_is_valid(rfkill->pdata->reset_n.io))
848 gpio_free(rfkill->pdata->reset_n.io);
850 // if (gpio_is_valid(rfkill->pdata->vddio.io))
851 // gpio_free(rfkill->pdata->vddio.io);
853 // if (gpio_is_valid(rfkill->pdata->bgf_int_b.io))
854 // gpio_free(rfkill->pdata->bgf_int_b.io);
856 // if (gpio_is_valid(rfkill->pdata->gps_sync.io))
857 // gpio_free(rfkill->pdata->gps_sync.io);
859 // if (gpio_is_valid(rfkill->pdata->ANTSEL2.io))
860 // gpio_free(rfkill->pdata->ANTSEL2.io);
862 // if (gpio_is_valid(rfkill->pdata->ANTSEL3.io))
863 // gpio_free(rfkill->pdata->ANTSEL3.io);
865 // if (gpio_is_valid(rfkill->pdata->GPS_LAN.io))
866 // gpio_free(rfkill->pdata->GPS_LAN.io);
874 static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state)
876 LOG("Enter %s\n", __func__);
880 static int rfkill_wlan_resume(struct platform_device *pdev)
882 LOG("Enter %s\n", __func__);
887 static struct of_device_id wlan_platdata_of_match[] = {
888 { .compatible = "wlan-platdata" },
891 MODULE_DEVICE_TABLE(of, wlan_platdata_of_match);
894 static struct platform_driver rfkill_wlan_driver = {
895 .probe = rfkill_wlan_probe,
896 .remove = rfkill_wlan_remove,
897 .suspend = rfkill_wlan_suspend,
898 .resume = rfkill_wlan_resume,
900 .name = "wlan-platdata",
901 .owner = THIS_MODULE,
902 .of_match_table = of_match_ptr(wlan_platdata_of_match),
906 static int __init rfkill_wlan_init(void)
908 LOG("Enter %s\n", __func__);
909 return platform_driver_register(&rfkill_wlan_driver);
912 static void __exit rfkill_wlan_exit(void)
914 LOG("Enter %s\n", __func__);
915 platform_driver_unregister(&rfkill_wlan_driver);
918 module_init(rfkill_wlan_init);
919 module_exit(rfkill_wlan_exit);
921 MODULE_DESCRIPTION("rock-chips rfkill for wifi v0.1");
922 MODULE_AUTHOR("gwl@rock-chips.com");
923 MODULE_LICENSE("GPL");