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>
42 #include <linux/mmc/host.h>
45 #include <linux/of_device.h>
46 #include <linux/of_gpio.h>
48 #include <linux/soc/rockchip/rk_vendor_storage.h>
51 #define DBG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
56 #define LOG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
58 extern struct mmc_host *primary_sdio_host;
59 extern void mmc_pwrseq_power_off(struct mmc_host *host);
61 struct rfkill_wlan_data {
62 struct rksdmmc_gpio_wifi_moudle *pdata;
63 struct wake_lock wlan_irq_wl;
66 static struct rfkill_wlan_data *g_rfkill = NULL;
67 static int power_set_time = 0;
69 static const char wlan_name[] =
70 #if defined (CONFIG_BCM4330)
71 #if defined (CONFIG_BT_MODULE_NH660)
76 #elif defined (CONFIG_RK903)
77 #if defined(CONFIG_RKWIFI_26M)
82 #elif defined(CONFIG_BCM4329)
84 #elif defined(CONFIG_MV8787)
86 #elif defined(CONFIG_AP6210)
87 #if defined(CONFIG_RKWIFI_26M)
92 #elif defined(CONFIG_AP6330)
94 #elif defined(CONFIG_AP6476)
96 #elif defined(CONFIG_AP6493)
103 static char wifi_chip_type_string[64];
104 int get_wifi_chip_type(void)
107 if (strcmp(wifi_chip_type_string, "ap6210") == 0) {
109 } else if (strcmp(wifi_chip_type_string, "ap6212") == 0) {
111 } else if (strcmp(wifi_chip_type_string, "rk901") == 0) {
113 } else if (strcmp(wifi_chip_type_string, "rk903") == 0) {
115 } else if (strcmp(wifi_chip_type_string, "ap6181") == 0) {
117 } else if (strcmp(wifi_chip_type_string, "ap6234") == 0) {
119 } else if (strcmp(wifi_chip_type_string, "ap6330") == 0) {
121 } else if (strcmp(wifi_chip_type_string, "ap6335") == 0) {
123 } else if (strcmp(wifi_chip_type_string, "ap6354") == 0) {
125 } else if (strcmp(wifi_chip_type_string, "ap6441") == 0) {
127 } else if (strcmp(wifi_chip_type_string, "ap6476") == 0) {
129 } else if (strcmp(wifi_chip_type_string, "ap6493") == 0) {
131 } else if (strcmp(wifi_chip_type_string, "rtl8188eu") == 0) {
132 type = WIFI_RTL8188EU;
133 } else if (strcmp(wifi_chip_type_string, "rtl8192du") == 0) {
134 type = WIFI_RTL8192DU;
135 } else if (strcmp(wifi_chip_type_string, "rtl8723as") == 0) {
136 type = WIFI_RTL8723AS;
137 } else if (strcmp(wifi_chip_type_string, "rtl8723bs_vq0") == 0) {
138 type = WIFI_RTL8723BS_VQ0;
139 } else if (strcmp(wifi_chip_type_string, "rtl8723bs") == 0) {
140 type = WIFI_RTL8723BS;
141 } else if (strcmp(wifi_chip_type_string, "rtl8723cs") == 0) {
142 type = WIFI_RTL8723CS;
143 } else if (strcmp(wifi_chip_type_string, "rtl8723au") == 0) {
144 type = WIFI_RTL8723AU;
145 } else if (strcmp(wifi_chip_type_string, "rtl8723bu") == 0) {
146 type = WIFI_RTL8723BU;
147 } else if (strcmp(wifi_chip_type_string, "rtl8189es") == 0) {
148 type = WIFI_RTL8189ES;
149 } else if (strcmp(wifi_chip_type_string, "rtl8189fs") == 0) {
150 type = WIFI_RTL8189FS;
151 } else if (strcmp(wifi_chip_type_string, "rtl8812au") == 0) {
152 type = WIFI_RTL8812AU;
153 } else if (strcmp(wifi_chip_type_string, "esp8089") == 0) {
160 EXPORT_SYMBOL(get_wifi_chip_type);
162 /***********************************************************
164 * Broadcom Wifi Static Memory
166 **********************************************************/
168 #define BCM_STATIC_MEMORY_SUPPORT 0
170 #define BCM_STATIC_MEMORY_SUPPORT 0
172 //===========================
173 #if BCM_STATIC_MEMORY_SUPPORT
174 #define PREALLOC_WLAN_SEC_NUM 4
175 #define PREALLOC_WLAN_BUF_NUM 160
176 #define PREALLOC_WLAN_SECTION_HEADER 0
177 #define WLAN_SKB_BUF_NUM 16
179 #define WLAN_SECTION_SIZE_0 (12 * 1024)
180 #define WLAN_SECTION_SIZE_1 (12 * 1024)
181 #define WLAN_SECTION_SIZE_2 (32 * 1024)
182 #define WLAN_SECTION_SIZE_3 (136* 1024)
183 #define WLAN_SECTION_SIZE_4 (4 * 1024)
184 #define WLAN_SECTION_SIZE_5 (64 * 1024)
185 #define WLAN_SECTION_SIZE_6 (4 * 1024)
186 #define WLAN_SECTION_SIZE_7 (4 * 1024)
188 static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM+1];
190 struct wifi_mem_prealloc {
195 static struct wifi_mem_prealloc wifi_mem_array[8] = {
196 {NULL, (WLAN_SECTION_SIZE_0)},
197 {NULL, (WLAN_SECTION_SIZE_1)},
198 {NULL, (WLAN_SECTION_SIZE_2)},
199 {NULL, (WLAN_SECTION_SIZE_3)},
200 {NULL, (WLAN_SECTION_SIZE_4)},
201 {NULL, (WLAN_SECTION_SIZE_5)},
202 {NULL, (WLAN_SECTION_SIZE_6)},
203 {NULL, (WLAN_SECTION_SIZE_7)}
206 static int rockchip_init_wifi_mem(void)
211 for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) {
212 wlan_static_skb[i] = dev_alloc_skb(
213 ((i < (WLAN_SKB_BUF_NUM / 2)) ? (PAGE_SIZE*1) : (PAGE_SIZE*2)));
215 if (!wlan_static_skb[i])
219 wlan_static_skb[i] = dev_alloc_skb((PAGE_SIZE*4));
220 if (!wlan_static_skb[i])
223 for (i = 0 ; i <= 7; i++) {
224 wifi_mem_array[i].mem_ptr =
225 kmalloc(wifi_mem_array[i].size, GFP_KERNEL);
227 if (!wifi_mem_array[i].mem_ptr)
233 pr_err("Failed to mem_alloc for WLAN\n");
234 for (j = 0 ; j < i ; j++)
235 kfree(wifi_mem_array[j].mem_ptr);
236 i = WLAN_SKB_BUF_NUM;
238 pr_err("Failed to skb_alloc for WLAN\n");
239 for (j = 0 ; j < i ; j++)
240 dev_kfree_skb(wlan_static_skb[j]);
241 dev_kfree_skb(wlan_static_skb[j]);
246 void *rockchip_mem_prealloc(int section, unsigned long size)
248 //printk("rockchip_mem_prealloc: section = %d, size = %d\n", section, size);
249 if (section == PREALLOC_WLAN_SEC_NUM)
250 return wlan_static_skb;
252 if ((section < 0) || (section > 7))
255 if (wifi_mem_array[section].size < size)
258 return wifi_mem_array[section].mem_ptr;
261 void *rockchip_mem_prealloc(int section, unsigned long size) { return NULL;}
263 EXPORT_SYMBOL(rockchip_mem_prealloc);
265 /**************************************************************************
267 * get wifi power state Func
269 *************************************************************************/
270 static int wifi_power_state = 0;
271 int rfkill_get_wifi_power_state(int *power, int *vref_ctrl_enable)
273 struct rfkill_wlan_data *mrfkill = g_rfkill;
275 if (mrfkill == NULL) {
276 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
280 *power = wifi_power_state;
285 /**************************************************************************
287 * Wifi Power Control Func
291 *************************************************************************/
292 int rockchip_wifi_power(int on)
294 struct rfkill_wlan_data *mrfkill = g_rfkill;
295 struct rksdmmc_gpio *poweron, *reset;
296 struct regulator *ldo = NULL;
300 LOG("%s: %d\n", __func__, on);
302 if (!on && primary_sdio_host)
303 mmc_pwrseq_power_off(primary_sdio_host);
305 if (mrfkill == NULL) {
306 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
310 if (mrfkill->pdata->wifi_power_remain && power_set_time) {
311 LOG("%s: wifi power is setted to be remain on. skip anything to the power control", __func__);
313 } else power_set_time++;
315 if (!rfkill_get_bt_power_state(&power, &toggle)) {
316 if (toggle == true && power == 1) {
317 LOG("%s: wifi shouldn't control the power, it was enabled by BT!\n", __func__);
322 if (mrfkill->pdata->mregulator.power_ctrl_by_pmu) {
325 int level = mrfkill->pdata->mregulator.enable;
327 ldostr = mrfkill->pdata->mregulator.pmu_regulator;
328 if (ldostr == NULL) {
329 LOG("%s: wifi power set to be controled by pmic, but which one?\n", __func__);
332 ldo = regulator_get(NULL, ldostr);
333 if (ldo == NULL || IS_ERR(ldo)) {
334 LOG("\n\n\n%s get ldo error,please mod this\n\n\n", __func__);
338 regulator_set_voltage(ldo, 3000000, 3000000);
339 LOG("%s: %s enabled\n", __func__, ldostr);
340 ret = regulator_enable(ldo);
341 wifi_power_state = 1;
342 LOG("wifi turn on power.\n");
344 LOG("%s: %s disabled\n", __func__, ldostr);
345 while (regulator_is_enabled(ldo) > 0) {
346 ret = regulator_disable(ldo);
348 wifi_power_state = 0;
349 LOG("wifi shut off power.\n");
355 poweron = &mrfkill->pdata->power_n;
356 reset = &mrfkill->pdata->reset_n;
359 if (gpio_is_valid(poweron->io)) {
360 gpio_set_value(poweron->io, poweron->enable);
364 if (gpio_is_valid(reset->io)) {
365 gpio_set_value(reset->io, reset->enable);
369 wifi_power_state = 1;
370 LOG("wifi turn on power. %d\n", poweron->io);
372 if (gpio_is_valid(poweron->io)) {
373 gpio_set_value(poweron->io, !(poweron->enable));
377 if (gpio_is_valid(reset->io)) {
378 gpio_set_value(reset->io, !(reset->enable));
381 wifi_power_state = 0;
382 LOG("wifi shut off power.\n");
388 EXPORT_SYMBOL(rockchip_wifi_power);
390 /**************************************************************************
392 * Wifi Sdio Detect Func
394 *************************************************************************/
395 extern int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
396 int rockchip_wifi_set_carddetect(int val)
398 return mmc_host_rescan(NULL, val, 1);
400 EXPORT_SYMBOL(rockchip_wifi_set_carddetect);
402 /**************************************************************************
404 * Wifi Get Interrupt irq Func
406 *************************************************************************/
407 int rockchip_wifi_get_oob_irq(void)
409 struct rfkill_wlan_data *mrfkill = g_rfkill;
410 struct rksdmmc_gpio *wifi_int_irq;
412 LOG("%s: Enter\n", __func__);
414 if (mrfkill == NULL) {
415 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
419 wifi_int_irq = &mrfkill->pdata->wifi_int_b;
420 if (gpio_is_valid(wifi_int_irq->io)) {
421 return gpio_to_irq(wifi_int_irq->io);
422 //return wifi_int_irq->io;
424 LOG("%s: wifi OOB pin isn't defined.\n", __func__);
429 EXPORT_SYMBOL(rockchip_wifi_get_oob_irq);
431 /**************************************************************************
435 *************************************************************************/
436 int rockchip_wifi_reset(int on)
440 EXPORT_SYMBOL(rockchip_wifi_reset);
442 /**************************************************************************
444 * Wifi MAC custom Func
446 *************************************************************************/
447 #include <linux/etherdevice.h>
448 #include <linux/errno.h>
449 u8 wifi_custom_mac_addr[6] = {0,0,0,0,0,0};
451 //#define RANDOM_ADDRESS_SAVE
452 static int get_wifi_addr_vendor(unsigned char *addr)
456 ret = rk_vendor_read(WIFI_MAC_ID, addr, 6);
457 if (ret != 6 || is_zero_ether_addr(addr)) {
458 LOG("%s: rk_vendor_read wifi mac address failed (%d)\n",
460 #ifdef RANDOM_ADDRESS_SAVE
461 random_ether_addr(addr);
462 LOG("%s: generate random wifi mac address: "
463 "%02x:%02x:%02x:%02x:%02x:%02x\n",
464 __func__, addr[0], addr[1], addr[2],
465 addr[3], addr[4], addr[5]);
466 ret = rk_vendor_write(WIFI_MAC_ID, addr, 6);
468 LOG("%s: rk_vendor_write"
469 " wifi mac address failed (%d)\n",
478 LOG("%s: rk_vendor_read wifi mac address: "
479 "%02x:%02x:%02x:%02x:%02x:%02x\n",
480 __func__, addr[0], addr[1], addr[2],
481 addr[3], addr[4], addr[5]);
486 int rockchip_wifi_mac_addr(unsigned char *buf)
488 char mac_buf[20] = {0};
490 LOG("%s: enter.\n", __func__);
492 // from vendor storage
493 if (is_zero_ether_addr(wifi_custom_mac_addr)) {
494 if (get_wifi_addr_vendor(wifi_custom_mac_addr) != 0)
498 sprintf(mac_buf, "%02x:%02x:%02x:%02x:%02x:%02x",
499 wifi_custom_mac_addr[0], wifi_custom_mac_addr[1],
500 wifi_custom_mac_addr[2], wifi_custom_mac_addr[3],
501 wifi_custom_mac_addr[4], wifi_custom_mac_addr[5]);
502 LOG("falsh wifi_custom_mac_addr=[%s]\n", mac_buf);
504 if (is_valid_ether_addr(wifi_custom_mac_addr)) {
505 if (!strncmp(wifi_chip_type_string, "rtl", 3))
506 wifi_custom_mac_addr[0] &= ~0x2; // for p2p
508 LOG("This mac address is not valid, ignored...\n");
512 memcpy(buf, wifi_custom_mac_addr, 6);
516 EXPORT_SYMBOL(rockchip_wifi_mac_addr);
518 /**************************************************************************
520 * wifi get country code func
522 *************************************************************************/
523 struct cntry_locales_custom {
524 char iso_abbrev[4]; /* ISO 3166-1 country abbreviation */
525 char custom_locale[4]; /* Custom firmware locale */
526 int custom_locale_rev; /* Custom local revisin default -1 */
529 static struct cntry_locales_custom country_cloc;
531 void *rockchip_wifi_country_code(char *ccode)
533 struct cntry_locales_custom *mcloc;
535 LOG("%s: set country code [%s]\n", __func__, ccode);
536 mcloc = &country_cloc;
537 memcpy(mcloc->custom_locale, ccode, 4);
538 mcloc->custom_locale_rev = 0;
542 EXPORT_SYMBOL(rockchip_wifi_country_code);
543 /**************************************************************************/
545 static int rfkill_rk_setup_gpio(struct rksdmmc_gpio *gpio, const char* prefix, const char* name)
547 if (gpio_is_valid(gpio->io)) {
549 sprintf(gpio->name, "%s_%s", prefix, name);
550 ret = gpio_request(gpio->io, gpio->name);
552 LOG("Failed to get %s gpio.\n", gpio->name);
561 static int wlan_platdata_parse_dt(struct device *dev,
562 struct rksdmmc_gpio_wifi_moudle *data)
564 struct device_node *node = dev->of_node;
568 enum of_gpio_flags flags;
573 memset(data, 0, sizeof(*data));
575 #ifdef CONFIG_MFD_SYSCON
576 data->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
577 if (IS_ERR(data->grf)) {
578 LOG("can't find rockchip,grf property\n");
583 ret = of_property_read_string(node, "wifi_chip_type", &strings);
585 LOG("%s: Can not read wifi_chip_type, set default to rkwifi.\n", __func__);
586 strcpy(wifi_chip_type_string, "rkwifi");
588 strcpy(wifi_chip_type_string, strings);
590 LOG("%s: wifi_chip_type = %s\n", __func__, wifi_chip_type_string);
592 if (of_find_property(node, "keep_wifi_power_on", NULL)) {
593 data->wifi_power_remain = true;
594 LOG("%s: wifi power will enabled while kernel starting and keep on.\n", __func__);
596 data->wifi_power_remain = false;
597 LOG("%s: enable wifi power control.\n", __func__);
600 if (of_find_property(node, "power_ctrl_by_pmu", NULL)) {
601 data->mregulator.power_ctrl_by_pmu = true;
602 ret = of_property_read_string(node, "power_pmu_regulator", &strings);
604 LOG("%s: Can not read property: power_pmu_regulator.\n", __func__);
605 data->mregulator.power_ctrl_by_pmu = false;
607 LOG("%s: wifi power controled by pmu(%s).\n", __func__, strings);
608 sprintf(data->mregulator.pmu_regulator, "%s", strings);
610 ret = of_property_read_u32(node, "power_pmu_enable_level", &value);
612 LOG("%s: Can not read property: power_pmu_enable_level.\n", __func__);
613 data->mregulator.power_ctrl_by_pmu = false;
615 LOG("%s: wifi power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
616 data->mregulator.enable = value;
619 data->mregulator.power_ctrl_by_pmu = false;
620 LOG("%s: wifi power controled by gpio.\n", __func__);
621 gpio = of_get_named_gpio_flags(node, "WIFI,poweren_gpio", 0, &flags);
622 if (gpio_is_valid(gpio)){
623 data->power_n.io = gpio;
624 data->power_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
625 LOG("%s: get property: WIFI,poweren_gpio = %d, flags = %d.\n", __func__, gpio, flags);
626 } else data->power_n.io = -1;
627 gpio = of_get_named_gpio_flags(node, "WIFI,reset_gpio", 0, &flags);
628 if (gpio_is_valid(gpio)){
629 data->reset_n.io = gpio;
630 data->reset_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
631 LOG("%s: get property: WIFI,reset_gpio = %d, flags = %d.\n", __func__, gpio, flags);
632 } else data->reset_n.io = -1;
633 gpio = of_get_named_gpio_flags(node, "WIFI,host_wake_irq", 0, &flags);
634 if (gpio_is_valid(gpio)){
635 data->wifi_int_b.io = gpio;
636 data->wifi_int_b.enable = flags;
637 LOG("%s: get property: WIFI,host_wake_irq = %d, flags = %d.\n", __func__, gpio, flags);
638 } else data->wifi_int_b.io = -1;
645 #if defined(CONFIG_HAS_EARLYSUSPEND)
646 #include <linux/earlysuspend.h>
648 static void wlan_early_suspend(struct early_suspend *h)
650 LOG("%s :enter\n", __func__);
655 static void wlan_late_resume(struct early_suspend *h)
657 LOG("%s :enter\n", __func__);
662 struct early_suspend wlan_early_suspend {
663 .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
664 .suspend = wlan_early_suspend;
665 .resume = wlan_late_resume;
669 static void rfkill_wlan_early_suspend(void)
671 //LOG("%s :enter\n", __func__);
676 static void rfkill_wlan_later_resume(void)
678 //LOG("%s :enter\n", __func__);
683 static int rfkill_wlan_fb_event_notify(struct notifier_block *self,
684 unsigned long action, void *data)
687 struct fb_event *event = data;
688 int blank_mode = *((int *)event->data);
690 switch (blank_mode) {
691 case FB_BLANK_UNBLANK:
692 rfkill_wlan_later_resume();
694 case FB_BLANK_NORMAL:
695 rfkill_wlan_early_suspend();
698 rfkill_wlan_early_suspend();
705 static struct notifier_block rfkill_wlan_fb_notifier = {
706 .notifier_call = rfkill_wlan_fb_event_notify,
710 static int rfkill_wlan_probe(struct platform_device *pdev)
712 struct rfkill_wlan_data *rfkill;
713 struct rksdmmc_gpio_wifi_moudle *pdata = pdev->dev.platform_data;
716 LOG("Enter %s\n", __func__);
720 pdata = kzalloc(sizeof(struct rksdmmc_gpio_wifi_moudle), GFP_KERNEL);
724 ret = wlan_platdata_parse_dt(&pdev->dev, pdata);
727 LOG("%s: No platform data specified\n", __func__);
734 rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
736 goto rfkill_alloc_fail;
738 rfkill->pdata = pdata;
741 LOG("%s: init gpio\n", __func__);
743 if (!pdata->mregulator.power_ctrl_by_pmu) {
744 ret = rfkill_rk_setup_gpio(&pdata->power_n, wlan_name, "wlan_poweren");
745 if (ret) goto fail_alloc;
747 ret = rfkill_rk_setup_gpio(&pdata->reset_n, wlan_name, "wlan_reset");
748 if (ret) goto fail_alloc;
751 wake_lock_init(&(rfkill->wlan_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_wlan_wake");
753 // Turn off wifi power as default
754 if (gpio_is_valid(pdata->power_n.io))
756 gpio_direction_output(pdata->power_n.io, !pdata->power_n.enable);
759 if (pdata->wifi_power_remain)
761 rockchip_wifi_power(1);
764 #if BCM_STATIC_MEMORY_SUPPORT
765 rockchip_init_wifi_mem();
768 #if defined(CONFIG_HAS_EARLYSUSPEND)
769 register_early_suspend(wlan_early_suspend);
772 fb_register_client(&rfkill_wlan_fb_notifier);
774 LOG("Exit %s\n", __func__);
788 static int rfkill_wlan_remove(struct platform_device *pdev)
790 struct rfkill_wlan_data *rfkill = platform_get_drvdata(pdev);
792 LOG("Enter %s\n", __func__);
794 wake_lock_destroy(&rfkill->wlan_irq_wl);
796 fb_unregister_client(&rfkill_wlan_fb_notifier);
798 if (gpio_is_valid(rfkill->pdata->power_n.io))
799 gpio_free(rfkill->pdata->power_n.io);
801 if (gpio_is_valid(rfkill->pdata->reset_n.io))
802 gpio_free(rfkill->pdata->reset_n.io);
804 // if (gpio_is_valid(rfkill->pdata->vddio.io))
805 // gpio_free(rfkill->pdata->vddio.io);
807 // if (gpio_is_valid(rfkill->pdata->bgf_int_b.io))
808 // gpio_free(rfkill->pdata->bgf_int_b.io);
810 // if (gpio_is_valid(rfkill->pdata->gps_sync.io))
811 // gpio_free(rfkill->pdata->gps_sync.io);
813 // if (gpio_is_valid(rfkill->pdata->ANTSEL2.io))
814 // gpio_free(rfkill->pdata->ANTSEL2.io);
816 // if (gpio_is_valid(rfkill->pdata->ANTSEL3.io))
817 // gpio_free(rfkill->pdata->ANTSEL3.io);
819 // if (gpio_is_valid(rfkill->pdata->GPS_LAN.io))
820 // gpio_free(rfkill->pdata->GPS_LAN.io);
828 static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state)
830 LOG("Enter %s\n", __func__);
834 static int rfkill_wlan_resume(struct platform_device *pdev)
836 LOG("Enter %s\n", __func__);
841 static struct of_device_id wlan_platdata_of_match[] = {
842 { .compatible = "wlan-platdata" },
845 MODULE_DEVICE_TABLE(of, wlan_platdata_of_match);
848 static struct platform_driver rfkill_wlan_driver = {
849 .probe = rfkill_wlan_probe,
850 .remove = rfkill_wlan_remove,
851 .suspend = rfkill_wlan_suspend,
852 .resume = rfkill_wlan_resume,
854 .name = "wlan-platdata",
855 .owner = THIS_MODULE,
856 .of_match_table = of_match_ptr(wlan_platdata_of_match),
860 static int __init rfkill_wlan_init(void)
862 LOG("Enter %s\n", __func__);
863 return platform_driver_register(&rfkill_wlan_driver);
866 static void __exit rfkill_wlan_exit(void)
868 LOG("Enter %s\n", __func__);
869 platform_driver_unregister(&rfkill_wlan_driver);
872 module_init(rfkill_wlan_init);
873 module_exit(rfkill_wlan_exit);
875 MODULE_DESCRIPTION("rock-chips rfkill for wifi v0.1");
876 MODULE_AUTHOR("gwl@rock-chips.com");
877 MODULE_LICENSE("GPL");