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>
23 #include <linux/regulator/consumer.h>
24 #include <linux/delay.h>
25 #include <linux/rfkill-wlan.h>
26 #include <linux/rfkill-bt.h>
27 #include <linux/wakelock.h>
28 #include <linux/interrupt.h>
30 #include <linux/suspend.h>
31 #include <linux/proc_fs.h>
32 #include <linux/uaccess.h>
33 #include <linux/gpio.h>
34 #include <linux/rockchip/iomap.h>
35 #include <dt-bindings/gpio/gpio.h>
36 #include <linux/skbuff.h>
38 #include <linux/rockchip/grf.h>
39 #include <linux/rockchip/common.h>
40 #include <linux/regmap.h>
41 #include <linux/mfd/syscon.h>
44 #include <linux/of_device.h>
45 #include <linux/of_gpio.h>
49 #define DBG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
54 #define LOG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
56 struct rfkill_wlan_data {
57 struct rksdmmc_gpio_wifi_moudle *pdata;
58 struct wake_lock wlan_irq_wl;
61 static struct rfkill_wlan_data *g_rfkill = NULL;
62 static int power_set_time = 0;
64 static const char wlan_name[] =
65 #if defined (CONFIG_BCM4330)
66 #if defined (CONFIG_BT_MODULE_NH660)
71 #elif defined (CONFIG_RK903)
72 #if defined(CONFIG_RKWIFI_26M)
77 #elif defined(CONFIG_BCM4329)
79 #elif defined(CONFIG_MV8787)
81 #elif defined(CONFIG_AP6210)
82 #if defined(CONFIG_RKWIFI_26M)
87 #elif defined(CONFIG_AP6330)
89 #elif defined(CONFIG_AP6476)
91 #elif defined(CONFIG_AP6493)
98 static char wifi_chip_type_string[64];
99 int get_wifi_chip_type(void)
102 if (strcmp(wifi_chip_type_string, "ap6210") == 0) {
104 } else if (strcmp(wifi_chip_type_string, "ap6212") == 0) {
106 } else if (strcmp(wifi_chip_type_string, "rk901") == 0) {
108 } else if (strcmp(wifi_chip_type_string, "rk903") == 0) {
110 } else if (strcmp(wifi_chip_type_string, "ap6181") == 0) {
112 } else if (strcmp(wifi_chip_type_string, "ap6234") == 0) {
114 } else if (strcmp(wifi_chip_type_string, "ap6330") == 0) {
116 } else if (strcmp(wifi_chip_type_string, "ap6335") == 0) {
118 } else if (strcmp(wifi_chip_type_string, "ap6354") == 0) {
120 } else if (strcmp(wifi_chip_type_string, "ap6441") == 0) {
122 } else if (strcmp(wifi_chip_type_string, "ap6476") == 0) {
124 } else if (strcmp(wifi_chip_type_string, "ap6493") == 0) {
126 } else if (strcmp(wifi_chip_type_string, "rtl8188eu") == 0) {
127 type = WIFI_RTL8188EU;
128 } else if (strcmp(wifi_chip_type_string, "rtl8192du") == 0) {
129 type = WIFI_RTL8192DU;
130 } else if (strcmp(wifi_chip_type_string, "rtl8723as") == 0) {
131 type = WIFI_RTL8723AS;
132 } else if (strcmp(wifi_chip_type_string, "rtl8723bs_vq0") == 0) {
133 type = WIFI_RTL8723BS_VQ0;
134 } else if (strcmp(wifi_chip_type_string, "rtl8723bs") == 0) {
135 type = WIFI_RTL8723BS;
136 } else if (strcmp(wifi_chip_type_string, "rtl8723au") == 0) {
137 type = WIFI_RTL8723AU;
138 } else if (strcmp(wifi_chip_type_string, "rtl8723bu") == 0) {
139 type = WIFI_RTL8723BU;
140 } else if (strcmp(wifi_chip_type_string, "rtl8189es") == 0) {
141 type = WIFI_RTL8189ES;
142 } else if (strcmp(wifi_chip_type_string, "rtl8812au") == 0) {
143 type = WIFI_RTL8812AU;
144 } else if (strcmp(wifi_chip_type_string, "esp8089") == 0) {
151 EXPORT_SYMBOL(get_wifi_chip_type);
153 /***********************************************************
155 * Broadcom Wifi Static Memory
157 **********************************************************/
159 #define BCM_STATIC_MEMORY_SUPPORT 0
161 #define BCM_STATIC_MEMORY_SUPPORT 0
163 //===========================
164 #if BCM_STATIC_MEMORY_SUPPORT
165 #define PREALLOC_WLAN_SEC_NUM 4
166 #define PREALLOC_WLAN_BUF_NUM 160
167 #define PREALLOC_WLAN_SECTION_HEADER 0
168 #define WLAN_SKB_BUF_NUM 16
170 #define WLAN_SECTION_SIZE_0 (12 * 1024)
171 #define WLAN_SECTION_SIZE_1 (12 * 1024)
172 #define WLAN_SECTION_SIZE_2 (32 * 1024)
173 #define WLAN_SECTION_SIZE_3 (136* 1024)
174 #define WLAN_SECTION_SIZE_4 (4 * 1024)
175 #define WLAN_SECTION_SIZE_5 (64 * 1024)
176 #define WLAN_SECTION_SIZE_6 (4 * 1024)
177 #define WLAN_SECTION_SIZE_7 (4 * 1024)
179 static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM+1];
181 struct wifi_mem_prealloc {
186 static struct wifi_mem_prealloc wifi_mem_array[8] = {
187 {NULL, (WLAN_SECTION_SIZE_0)},
188 {NULL, (WLAN_SECTION_SIZE_1)},
189 {NULL, (WLAN_SECTION_SIZE_2)},
190 {NULL, (WLAN_SECTION_SIZE_3)},
191 {NULL, (WLAN_SECTION_SIZE_4)},
192 {NULL, (WLAN_SECTION_SIZE_5)},
193 {NULL, (WLAN_SECTION_SIZE_6)},
194 {NULL, (WLAN_SECTION_SIZE_7)}
197 static int rockchip_init_wifi_mem(void)
202 for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) {
203 wlan_static_skb[i] = dev_alloc_skb(
204 ((i < (WLAN_SKB_BUF_NUM / 2)) ? (PAGE_SIZE*1) : (PAGE_SIZE*2)));
206 if (!wlan_static_skb[i])
210 wlan_static_skb[i] = dev_alloc_skb((PAGE_SIZE*4));
211 if (!wlan_static_skb[i])
214 for (i = 0 ; i <= 7; i++) {
215 wifi_mem_array[i].mem_ptr =
216 kmalloc(wifi_mem_array[i].size, GFP_KERNEL);
218 if (!wifi_mem_array[i].mem_ptr)
224 pr_err("Failed to mem_alloc for WLAN\n");
225 for (j = 0 ; j < i ; j++)
226 kfree(wifi_mem_array[j].mem_ptr);
227 i = WLAN_SKB_BUF_NUM;
229 pr_err("Failed to skb_alloc for WLAN\n");
230 for (j = 0 ; j < i ; j++)
231 dev_kfree_skb(wlan_static_skb[j]);
232 dev_kfree_skb(wlan_static_skb[j]);
237 void *rockchip_mem_prealloc(int section, unsigned long size)
239 //printk("rockchip_mem_prealloc: section = %d, size = %d\n", section, size);
240 if (section == PREALLOC_WLAN_SEC_NUM)
241 return wlan_static_skb;
243 if ((section < 0) || (section > 7))
246 if (wifi_mem_array[section].size < size)
249 return wifi_mem_array[section].mem_ptr;
252 void *rockchip_mem_prealloc(int section, unsigned long size) { return NULL;}
254 EXPORT_SYMBOL(rockchip_mem_prealloc);
256 /**************************************************************************
258 * get wifi power state Func
260 *************************************************************************/
261 static int wifi_power_state = 0;
262 int rfkill_get_wifi_power_state(int *power, int *vref_ctrl_enable)
264 struct rfkill_wlan_data *mrfkill = g_rfkill;
266 if (mrfkill == NULL) {
267 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
271 *power = wifi_power_state;
276 /**************************************************************************
278 * Wifi Power Control Func
282 *************************************************************************/
283 int rockchip_wifi_power(int on)
285 struct rfkill_wlan_data *mrfkill = g_rfkill;
286 struct rksdmmc_gpio *poweron, *reset;
287 struct regulator *ldo = NULL;
291 LOG("%s: %d\n", __func__, on);
293 if (mrfkill == NULL) {
294 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
298 if (mrfkill->pdata->wifi_power_remain && power_set_time) {
299 LOG("%s: wifi power is setted to be remain on. skip anything to the power control", __func__);
301 } else power_set_time++;
303 if (!rfkill_get_bt_power_state(&power, &toggle)) {
304 if (toggle == true && power == 1) {
305 LOG("%s: wifi shouldn't control the power, it was enabled by BT!\n", __func__);
310 if (mrfkill->pdata->mregulator.power_ctrl_by_pmu) {
313 int level = mrfkill->pdata->mregulator.enable;
315 ldostr = mrfkill->pdata->mregulator.pmu_regulator;
316 if (ldostr == NULL) {
317 LOG("%s: wifi power set to be controled by pmic, but which one?\n", __func__);
320 ldo = regulator_get(NULL, ldostr);
321 if (ldo == NULL || IS_ERR(ldo)) {
322 LOG("\n\n\n%s get ldo error,please mod this\n\n\n", __func__);
326 regulator_set_voltage(ldo, 3000000, 3000000);
327 LOG("%s: %s enabled\n", __func__, ldostr);
328 ret = regulator_enable(ldo);
329 wifi_power_state = 1;
330 LOG("wifi turn on power.\n");
332 LOG("%s: %s disabled\n", __func__, ldostr);
333 while (regulator_is_enabled(ldo) > 0) {
334 ret = regulator_disable(ldo);
336 wifi_power_state = 0;
337 LOG("wifi shut off power.\n");
343 poweron = &mrfkill->pdata->power_n;
344 reset = &mrfkill->pdata->reset_n;
347 if (gpio_is_valid(poweron->io)) {
348 gpio_set_value(poweron->io, poweron->enable);
352 if (gpio_is_valid(reset->io)) {
353 gpio_set_value(reset->io, reset->enable);
357 wifi_power_state = 1;
358 LOG("wifi turn on power. %d\n", poweron->io);
360 if (gpio_is_valid(poweron->io)) {
361 gpio_set_value(poweron->io, !(poweron->enable));
365 if (gpio_is_valid(reset->io)) {
366 gpio_set_value(reset->io, !(reset->enable));
369 wifi_power_state = 0;
370 LOG("wifi shut off power.\n");
376 EXPORT_SYMBOL(rockchip_wifi_power);
378 /**************************************************************************
380 * Wifi Sdio Detect Func
382 *************************************************************************/
383 #include <linux/mmc/host.h>
384 extern int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
385 int rockchip_wifi_set_carddetect(int val)
387 return mmc_host_rescan(NULL, val, 1);
389 EXPORT_SYMBOL(rockchip_wifi_set_carddetect);
391 /**************************************************************************
393 * Wifi Get Interrupt irq Func
395 *************************************************************************/
396 int rockchip_wifi_get_oob_irq(void)
398 struct rfkill_wlan_data *mrfkill = g_rfkill;
399 struct rksdmmc_gpio *wifi_int_irq;
401 LOG("%s: Enter\n", __func__);
403 if (mrfkill == NULL) {
404 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
408 wifi_int_irq = &mrfkill->pdata->wifi_int_b;
409 if (gpio_is_valid(wifi_int_irq->io)) {
410 return gpio_to_irq(wifi_int_irq->io);
411 //return wifi_int_irq->io;
413 LOG("%s: wifi OOB pin isn't defined.\n", __func__);
418 EXPORT_SYMBOL(rockchip_wifi_get_oob_irq);
420 /**************************************************************************
424 *************************************************************************/
425 int rockchip_wifi_reset(int on)
429 EXPORT_SYMBOL(rockchip_wifi_reset);
431 /**************************************************************************
433 * Wifi MAC custom Func
435 *************************************************************************/
436 #include <linux/etherdevice.h>
437 #include <linux/errno.h>
438 u8 wifi_custom_mac_addr[6] = {0,0,0,0,0,0};
440 static void rockchip_wifi_get_sn(char *buf)
443 //GetSNSectorInfo(char * pbuf);
448 //#define ENABLE_WIFI_RAND_MAC
449 #ifdef ENABLE_WIFI_RAND_MAC
450 #define WIFI_RAND_MAC_FILE "/data/misc/wifi_rand_mac"
452 static int rockchip_wifi_rand_mac_addr(unsigned char *buf)
457 char mac_buf[20] = {0};
459 LOG("%s\n", __func__);
460 fp = filp_open(WIFI_RAND_MAC_FILE, O_RDONLY, 0);
461 if (fp == NULL || IS_ERR(fp)) {
462 fp = filp_open(WIFI_RAND_MAC_FILE, O_RDWR | O_CREAT, 0644);
463 if (fp == NULL || IS_ERR(fp)) {
464 LOG("%s: create %s failed.\n", __func__, WIFI_RAND_MAC_FILE);
469 random_ether_addr(wifi_custom_mac_addr);
471 vfs_write(fp, wifi_custom_mac_addr, 6, &pos);
472 filp_close(fp, NULL);
477 vfs_read(fp, wifi_custom_mac_addr, 6, &pos);
478 filp_close(fp, NULL);
480 sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1],
481 wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]);
482 LOG("random wifi_custom_mac_addr=[%s]\n", mac_buf);
487 int rockchip_wifi_mac_addr(unsigned char *buf)
489 char mac_buf[20] = {0};
490 LOG("%s: enter.\n", __func__);
493 if(is_zero_ether_addr(wifi_custom_mac_addr)) {
495 char *tempBuf = kmalloc(512, GFP_KERNEL);
497 rockchip_wifi_get_sn(tempBuf);
498 for (i = 445; i <= 450; i++)
499 wifi_custom_mac_addr[i-445] = tempBuf[i];
506 sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1],
507 wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]);
508 LOG("falsh wifi_custom_mac_addr=[%s]\n", mac_buf);
510 #ifdef ENABLE_WIFI_RAND_MAC
511 rockchip_wifi_rand_mac_addr(buf);
514 if (is_valid_ether_addr(wifi_custom_mac_addr)) {
515 if (!strncmp(wifi_chip_type_string, "rtl", 3))
516 wifi_custom_mac_addr[0] &= ~0x2; // for p2p
518 LOG("This mac address is not valid, ignored...\n");
522 memcpy(buf, wifi_custom_mac_addr, 6);
526 EXPORT_SYMBOL(rockchip_wifi_mac_addr);
528 /**************************************************************************
530 * wifi get country code func
532 *************************************************************************/
533 struct cntry_locales_custom {
534 char iso_abbrev[4]; /* ISO 3166-1 country abbreviation */
535 char custom_locale[4]; /* Custom firmware locale */
536 int custom_locale_rev; /* Custom local revisin default -1 */
539 static struct cntry_locales_custom country_cloc;
541 void *rockchip_wifi_country_code(char *ccode)
543 struct cntry_locales_custom *mcloc;
545 LOG("%s: set country code [%s]\n", __func__, ccode);
546 mcloc = &country_cloc;
547 memcpy(mcloc->custom_locale, ccode, 4);
548 mcloc->custom_locale_rev = 0;
552 EXPORT_SYMBOL(rockchip_wifi_country_code);
553 /**************************************************************************/
555 static int rfkill_rk_setup_gpio(struct rksdmmc_gpio *gpio, const char* prefix, const char* name)
557 if (gpio_is_valid(gpio->io)) {
559 sprintf(gpio->name, "%s_%s", prefix, name);
560 ret = gpio_request(gpio->io, gpio->name);
562 LOG("Failed to get %s gpio.\n", gpio->name);
571 static int wlan_platdata_parse_dt(struct device *dev,
572 struct rksdmmc_gpio_wifi_moudle *data)
574 struct device_node *node = dev->of_node;
578 enum of_gpio_flags flags;
583 memset(data, 0, sizeof(*data));
585 #ifdef CONFIG_MFD_SYSCON
586 data->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
587 if (IS_ERR(data->grf)) {
588 LOG("can't find rockchip,grf property\n");
593 ret = of_property_read_string(node, "wifi_chip_type", &strings);
595 LOG("%s: Can not read wifi_chip_type, set default to rkwifi.\n", __func__);
596 strcpy(wifi_chip_type_string, "rkwifi");
598 strcpy(wifi_chip_type_string, strings);
600 LOG("%s: wifi_chip_type = %s\n", __func__, wifi_chip_type_string);
602 if (of_find_property(node, "keep_wifi_power_on", NULL)) {
603 data->wifi_power_remain = true;
604 LOG("%s: wifi power will enabled while kernel starting and keep on.\n", __func__);
606 data->wifi_power_remain = false;
607 LOG("%s: enable wifi power control.\n", __func__);
610 if (of_find_property(node, "power_ctrl_by_pmu", NULL)) {
611 data->mregulator.power_ctrl_by_pmu = true;
612 ret = of_property_read_string(node, "power_pmu_regulator", &strings);
614 LOG("%s: Can not read property: power_pmu_regulator.\n", __func__);
615 data->mregulator.power_ctrl_by_pmu = false;
617 LOG("%s: wifi power controled by pmu(%s).\n", __func__, strings);
618 sprintf(data->mregulator.pmu_regulator, "%s", strings);
620 ret = of_property_read_u32(node, "power_pmu_enable_level", &value);
622 LOG("%s: Can not read property: power_pmu_enable_level.\n", __func__);
623 data->mregulator.power_ctrl_by_pmu = false;
625 LOG("%s: wifi power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
626 data->mregulator.enable = value;
629 data->mregulator.power_ctrl_by_pmu = false;
630 LOG("%s: wifi power controled by gpio.\n", __func__);
631 gpio = of_get_named_gpio_flags(node, "WIFI,poweren_gpio", 0, &flags);
632 if (gpio_is_valid(gpio)){
633 data->power_n.io = gpio;
634 data->power_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
635 LOG("%s: get property: WIFI,poweren_gpio = %d, flags = %d.\n", __func__, gpio, flags);
636 } else data->power_n.io = -1;
637 gpio = of_get_named_gpio_flags(node, "WIFI,reset_gpio", 0, &flags);
638 if (gpio_is_valid(gpio)){
639 data->reset_n.io = gpio;
640 data->reset_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
641 LOG("%s: get property: WIFI,reset_gpio = %d, flags = %d.\n", __func__, gpio, flags);
642 } else data->reset_n.io = -1;
643 gpio = of_get_named_gpio_flags(node, "WIFI,host_wake_irq", 0, &flags);
644 if (gpio_is_valid(gpio)){
645 data->wifi_int_b.io = gpio;
646 data->wifi_int_b.enable = flags;
647 LOG("%s: get property: WIFI,host_wake_irq = %d, flags = %d.\n", __func__, gpio, flags);
648 } else data->wifi_int_b.io = -1;
655 #if defined(CONFIG_HAS_EARLYSUSPEND)
656 #include <linux/earlysuspend.h>
658 static void wlan_early_suspend(struct early_suspend *h)
660 LOG("%s :enter\n", __func__);
665 static void wlan_late_resume(struct early_suspend *h)
667 LOG("%s :enter\n", __func__);
672 struct early_suspend wlan_early_suspend {
673 .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
674 .suspend = wlan_early_suspend;
675 .resume = wlan_late_resume;
679 static void rfkill_wlan_early_suspend(void)
681 //LOG("%s :enter\n", __func__);
686 static void rfkill_wlan_later_resume(void)
688 //LOG("%s :enter\n", __func__);
693 static int rfkill_wlan_fb_event_notify(struct notifier_block *self,
694 unsigned long action, void *data)
697 struct fb_event *event = data;
698 int blank_mode = *((int *)event->data);
700 switch (blank_mode) {
701 case FB_BLANK_UNBLANK:
702 rfkill_wlan_later_resume();
704 case FB_BLANK_NORMAL:
705 rfkill_wlan_early_suspend();
708 rfkill_wlan_early_suspend();
715 static struct notifier_block rfkill_wlan_fb_notifier = {
716 .notifier_call = rfkill_wlan_fb_event_notify,
720 static int rfkill_wlan_probe(struct platform_device *pdev)
722 struct rfkill_wlan_data *rfkill;
723 struct rksdmmc_gpio_wifi_moudle *pdata = pdev->dev.platform_data;
726 LOG("Enter %s\n", __func__);
730 pdata = kzalloc(sizeof(struct rksdmmc_gpio_wifi_moudle), GFP_KERNEL);
734 ret = wlan_platdata_parse_dt(&pdev->dev, pdata);
737 LOG("%s: No platform data specified\n", __func__);
744 rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
746 goto rfkill_alloc_fail;
748 rfkill->pdata = pdata;
751 LOG("%s: init gpio\n", __func__);
753 if (!pdata->mregulator.power_ctrl_by_pmu) {
754 ret = rfkill_rk_setup_gpio(&pdata->power_n, wlan_name, "wlan_poweren");
755 if (ret) goto fail_alloc;
757 ret = rfkill_rk_setup_gpio(&pdata->reset_n, wlan_name, "wlan_reset");
758 if (ret) goto fail_alloc;
761 wake_lock_init(&(rfkill->wlan_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_wlan_wake");
763 // Turn off wifi power as default
764 if (gpio_is_valid(pdata->power_n.io))
766 gpio_direction_output(pdata->power_n.io, !pdata->power_n.enable);
769 if (pdata->wifi_power_remain)
771 rockchip_wifi_power(1);
774 #if BCM_STATIC_MEMORY_SUPPORT
775 rockchip_init_wifi_mem();
778 #if defined(CONFIG_HAS_EARLYSUSPEND)
779 register_early_suspend(wlan_early_suspend);
782 fb_register_client(&rfkill_wlan_fb_notifier);
784 LOG("Exit %s\n", __func__);
798 static int rfkill_wlan_remove(struct platform_device *pdev)
800 struct rfkill_wlan_data *rfkill = platform_get_drvdata(pdev);
802 LOG("Enter %s\n", __func__);
804 wake_lock_destroy(&rfkill->wlan_irq_wl);
806 fb_unregister_client(&rfkill_wlan_fb_notifier);
808 if (gpio_is_valid(rfkill->pdata->power_n.io))
809 gpio_free(rfkill->pdata->power_n.io);
811 if (gpio_is_valid(rfkill->pdata->reset_n.io))
812 gpio_free(rfkill->pdata->reset_n.io);
814 // if (gpio_is_valid(rfkill->pdata->vddio.io))
815 // gpio_free(rfkill->pdata->vddio.io);
817 // if (gpio_is_valid(rfkill->pdata->bgf_int_b.io))
818 // gpio_free(rfkill->pdata->bgf_int_b.io);
820 // if (gpio_is_valid(rfkill->pdata->gps_sync.io))
821 // gpio_free(rfkill->pdata->gps_sync.io);
823 // if (gpio_is_valid(rfkill->pdata->ANTSEL2.io))
824 // gpio_free(rfkill->pdata->ANTSEL2.io);
826 // if (gpio_is_valid(rfkill->pdata->ANTSEL3.io))
827 // gpio_free(rfkill->pdata->ANTSEL3.io);
829 // if (gpio_is_valid(rfkill->pdata->GPS_LAN.io))
830 // gpio_free(rfkill->pdata->GPS_LAN.io);
838 static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state)
840 LOG("Enter %s\n", __func__);
844 static int rfkill_wlan_resume(struct platform_device *pdev)
846 LOG("Enter %s\n", __func__);
851 static struct of_device_id wlan_platdata_of_match[] = {
852 { .compatible = "wlan-platdata" },
855 MODULE_DEVICE_TABLE(of, wlan_platdata_of_match);
858 static struct platform_driver rfkill_wlan_driver = {
859 .probe = rfkill_wlan_probe,
860 .remove = rfkill_wlan_remove,
861 .suspend = rfkill_wlan_suspend,
862 .resume = rfkill_wlan_resume,
864 .name = "wlan-platdata",
865 .owner = THIS_MODULE,
866 .of_match_table = of_match_ptr(wlan_platdata_of_match),
870 static int __init rfkill_wlan_init(void)
872 LOG("Enter %s\n", __func__);
873 return platform_driver_register(&rfkill_wlan_driver);
876 static void __exit rfkill_wlan_exit(void)
878 LOG("Enter %s\n", __func__);
879 platform_driver_unregister(&rfkill_wlan_driver);
882 module_init(rfkill_wlan_init);
883 module_exit(rfkill_wlan_exit);
885 MODULE_DESCRIPTION("rock-chips rfkill for wifi v0.1");
886 MODULE_AUTHOR("gwl@rock-chips.com");
887 MODULE_LICENSE("GPL");