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>
50 #define DBG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
55 #define LOG(x...) printk(KERN_INFO "[WLAN_RFKILL]: "x)
57 extern struct mmc_host *primary_sdio_host;
58 extern void mmc_pwrseq_power_off(struct mmc_host *host);
60 struct rfkill_wlan_data {
61 struct rksdmmc_gpio_wifi_moudle *pdata;
62 struct wake_lock wlan_irq_wl;
65 static struct rfkill_wlan_data *g_rfkill = NULL;
66 static int power_set_time = 0;
68 static const char wlan_name[] =
69 #if defined (CONFIG_BCM4330)
70 #if defined (CONFIG_BT_MODULE_NH660)
75 #elif defined (CONFIG_RK903)
76 #if defined(CONFIG_RKWIFI_26M)
81 #elif defined(CONFIG_BCM4329)
83 #elif defined(CONFIG_MV8787)
85 #elif defined(CONFIG_AP6210)
86 #if defined(CONFIG_RKWIFI_26M)
91 #elif defined(CONFIG_AP6330)
93 #elif defined(CONFIG_AP6476)
95 #elif defined(CONFIG_AP6493)
102 static char wifi_chip_type_string[64];
103 int get_wifi_chip_type(void)
106 if (strcmp(wifi_chip_type_string, "ap6210") == 0) {
108 } else if (strcmp(wifi_chip_type_string, "ap6212") == 0) {
110 } else if (strcmp(wifi_chip_type_string, "rk901") == 0) {
112 } else if (strcmp(wifi_chip_type_string, "rk903") == 0) {
114 } else if (strcmp(wifi_chip_type_string, "ap6181") == 0) {
116 } else if (strcmp(wifi_chip_type_string, "ap6234") == 0) {
118 } else if (strcmp(wifi_chip_type_string, "ap6330") == 0) {
120 } else if (strcmp(wifi_chip_type_string, "ap6335") == 0) {
122 } else if (strcmp(wifi_chip_type_string, "ap6354") == 0) {
124 } else if (strcmp(wifi_chip_type_string, "ap6441") == 0) {
126 } else if (strcmp(wifi_chip_type_string, "ap6476") == 0) {
128 } else if (strcmp(wifi_chip_type_string, "ap6493") == 0) {
130 } else if (strcmp(wifi_chip_type_string, "rtl8188eu") == 0) {
131 type = WIFI_RTL8188EU;
132 } else if (strcmp(wifi_chip_type_string, "rtl8192du") == 0) {
133 type = WIFI_RTL8192DU;
134 } else if (strcmp(wifi_chip_type_string, "rtl8723as") == 0) {
135 type = WIFI_RTL8723AS;
136 } else if (strcmp(wifi_chip_type_string, "rtl8723bs_vq0") == 0) {
137 type = WIFI_RTL8723BS_VQ0;
138 } else if (strcmp(wifi_chip_type_string, "rtl8723bs") == 0) {
139 type = WIFI_RTL8723BS;
140 } else if (strcmp(wifi_chip_type_string, "rtl8723au") == 0) {
141 type = WIFI_RTL8723AU;
142 } else if (strcmp(wifi_chip_type_string, "rtl8723bu") == 0) {
143 type = WIFI_RTL8723BU;
144 } else if (strcmp(wifi_chip_type_string, "rtl8189es") == 0) {
145 type = WIFI_RTL8189ES;
146 } else if (strcmp(wifi_chip_type_string, "rtl8812au") == 0) {
147 type = WIFI_RTL8812AU;
148 } else if (strcmp(wifi_chip_type_string, "esp8089") == 0) {
155 EXPORT_SYMBOL(get_wifi_chip_type);
157 /***********************************************************
159 * Broadcom Wifi Static Memory
161 **********************************************************/
163 #define BCM_STATIC_MEMORY_SUPPORT 0
165 #define BCM_STATIC_MEMORY_SUPPORT 0
167 //===========================
168 #if BCM_STATIC_MEMORY_SUPPORT
169 #define PREALLOC_WLAN_SEC_NUM 4
170 #define PREALLOC_WLAN_BUF_NUM 160
171 #define PREALLOC_WLAN_SECTION_HEADER 0
172 #define WLAN_SKB_BUF_NUM 16
174 #define WLAN_SECTION_SIZE_0 (12 * 1024)
175 #define WLAN_SECTION_SIZE_1 (12 * 1024)
176 #define WLAN_SECTION_SIZE_2 (32 * 1024)
177 #define WLAN_SECTION_SIZE_3 (136* 1024)
178 #define WLAN_SECTION_SIZE_4 (4 * 1024)
179 #define WLAN_SECTION_SIZE_5 (64 * 1024)
180 #define WLAN_SECTION_SIZE_6 (4 * 1024)
181 #define WLAN_SECTION_SIZE_7 (4 * 1024)
183 static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM+1];
185 struct wifi_mem_prealloc {
190 static struct wifi_mem_prealloc wifi_mem_array[8] = {
191 {NULL, (WLAN_SECTION_SIZE_0)},
192 {NULL, (WLAN_SECTION_SIZE_1)},
193 {NULL, (WLAN_SECTION_SIZE_2)},
194 {NULL, (WLAN_SECTION_SIZE_3)},
195 {NULL, (WLAN_SECTION_SIZE_4)},
196 {NULL, (WLAN_SECTION_SIZE_5)},
197 {NULL, (WLAN_SECTION_SIZE_6)},
198 {NULL, (WLAN_SECTION_SIZE_7)}
201 static int rockchip_init_wifi_mem(void)
206 for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) {
207 wlan_static_skb[i] = dev_alloc_skb(
208 ((i < (WLAN_SKB_BUF_NUM / 2)) ? (PAGE_SIZE*1) : (PAGE_SIZE*2)));
210 if (!wlan_static_skb[i])
214 wlan_static_skb[i] = dev_alloc_skb((PAGE_SIZE*4));
215 if (!wlan_static_skb[i])
218 for (i = 0 ; i <= 7; i++) {
219 wifi_mem_array[i].mem_ptr =
220 kmalloc(wifi_mem_array[i].size, GFP_KERNEL);
222 if (!wifi_mem_array[i].mem_ptr)
228 pr_err("Failed to mem_alloc for WLAN\n");
229 for (j = 0 ; j < i ; j++)
230 kfree(wifi_mem_array[j].mem_ptr);
231 i = WLAN_SKB_BUF_NUM;
233 pr_err("Failed to skb_alloc for WLAN\n");
234 for (j = 0 ; j < i ; j++)
235 dev_kfree_skb(wlan_static_skb[j]);
236 dev_kfree_skb(wlan_static_skb[j]);
241 void *rockchip_mem_prealloc(int section, unsigned long size)
243 //printk("rockchip_mem_prealloc: section = %d, size = %d\n", section, size);
244 if (section == PREALLOC_WLAN_SEC_NUM)
245 return wlan_static_skb;
247 if ((section < 0) || (section > 7))
250 if (wifi_mem_array[section].size < size)
253 return wifi_mem_array[section].mem_ptr;
256 void *rockchip_mem_prealloc(int section, unsigned long size) { return NULL;}
258 EXPORT_SYMBOL(rockchip_mem_prealloc);
260 /**************************************************************************
262 * get wifi power state Func
264 *************************************************************************/
265 static int wifi_power_state = 0;
266 int rfkill_get_wifi_power_state(int *power, int *vref_ctrl_enable)
268 struct rfkill_wlan_data *mrfkill = g_rfkill;
270 if (mrfkill == NULL) {
271 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
275 *power = wifi_power_state;
280 /**************************************************************************
282 * Wifi Power Control Func
286 *************************************************************************/
287 int rockchip_wifi_power(int on)
289 struct rfkill_wlan_data *mrfkill = g_rfkill;
290 struct rksdmmc_gpio *poweron, *reset;
291 struct regulator *ldo = NULL;
295 LOG("%s: %d\n", __func__, on);
297 if (!on && primary_sdio_host)
298 mmc_pwrseq_power_off(primary_sdio_host);
300 if (mrfkill == NULL) {
301 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
305 if (mrfkill->pdata->wifi_power_remain && power_set_time) {
306 LOG("%s: wifi power is setted to be remain on. skip anything to the power control", __func__);
308 } else power_set_time++;
310 if (!rfkill_get_bt_power_state(&power, &toggle)) {
311 if (toggle == true && power == 1) {
312 LOG("%s: wifi shouldn't control the power, it was enabled by BT!\n", __func__);
317 if (mrfkill->pdata->mregulator.power_ctrl_by_pmu) {
320 int level = mrfkill->pdata->mregulator.enable;
322 ldostr = mrfkill->pdata->mregulator.pmu_regulator;
323 if (ldostr == NULL) {
324 LOG("%s: wifi power set to be controled by pmic, but which one?\n", __func__);
327 ldo = regulator_get(NULL, ldostr);
328 if (ldo == NULL || IS_ERR(ldo)) {
329 LOG("\n\n\n%s get ldo error,please mod this\n\n\n", __func__);
333 regulator_set_voltage(ldo, 3000000, 3000000);
334 LOG("%s: %s enabled\n", __func__, ldostr);
335 ret = regulator_enable(ldo);
336 wifi_power_state = 1;
337 LOG("wifi turn on power.\n");
339 LOG("%s: %s disabled\n", __func__, ldostr);
340 while (regulator_is_enabled(ldo) > 0) {
341 ret = regulator_disable(ldo);
343 wifi_power_state = 0;
344 LOG("wifi shut off power.\n");
350 poweron = &mrfkill->pdata->power_n;
351 reset = &mrfkill->pdata->reset_n;
354 if (gpio_is_valid(poweron->io)) {
355 gpio_set_value(poweron->io, poweron->enable);
359 if (gpio_is_valid(reset->io)) {
360 gpio_set_value(reset->io, reset->enable);
364 wifi_power_state = 1;
365 LOG("wifi turn on power. %d\n", poweron->io);
367 if (gpio_is_valid(poweron->io)) {
368 gpio_set_value(poweron->io, !(poweron->enable));
372 if (gpio_is_valid(reset->io)) {
373 gpio_set_value(reset->io, !(reset->enable));
376 wifi_power_state = 0;
377 LOG("wifi shut off power.\n");
383 EXPORT_SYMBOL(rockchip_wifi_power);
385 /**************************************************************************
387 * Wifi Sdio Detect Func
389 *************************************************************************/
390 extern int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
391 int rockchip_wifi_set_carddetect(int val)
393 return mmc_host_rescan(NULL, val, 1);
395 EXPORT_SYMBOL(rockchip_wifi_set_carddetect);
397 /**************************************************************************
399 * Wifi Get Interrupt irq Func
401 *************************************************************************/
402 int rockchip_wifi_get_oob_irq(void)
404 struct rfkill_wlan_data *mrfkill = g_rfkill;
405 struct rksdmmc_gpio *wifi_int_irq;
407 LOG("%s: Enter\n", __func__);
409 if (mrfkill == NULL) {
410 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
414 wifi_int_irq = &mrfkill->pdata->wifi_int_b;
415 if (gpio_is_valid(wifi_int_irq->io)) {
416 return gpio_to_irq(wifi_int_irq->io);
417 //return wifi_int_irq->io;
419 LOG("%s: wifi OOB pin isn't defined.\n", __func__);
424 EXPORT_SYMBOL(rockchip_wifi_get_oob_irq);
426 /**************************************************************************
430 *************************************************************************/
431 int rockchip_wifi_reset(int on)
435 EXPORT_SYMBOL(rockchip_wifi_reset);
437 /**************************************************************************
439 * Wifi MAC custom Func
441 *************************************************************************/
442 #include <linux/etherdevice.h>
443 #include <linux/errno.h>
444 u8 wifi_custom_mac_addr[6] = {0,0,0,0,0,0};
446 static void rockchip_wifi_get_sn(char *buf)
449 //GetSNSectorInfo(char * pbuf);
454 //#define ENABLE_WIFI_RAND_MAC
455 #ifdef ENABLE_WIFI_RAND_MAC
456 #define WIFI_RAND_MAC_FILE "/data/misc/wifi_rand_mac"
458 static int rockchip_wifi_rand_mac_addr(unsigned char *buf)
463 char mac_buf[20] = {0};
465 LOG("%s\n", __func__);
466 fp = filp_open(WIFI_RAND_MAC_FILE, O_RDONLY, 0);
467 if (fp == NULL || IS_ERR(fp)) {
468 fp = filp_open(WIFI_RAND_MAC_FILE, O_RDWR | O_CREAT, 0644);
469 if (fp == NULL || IS_ERR(fp)) {
470 LOG("%s: create %s failed.\n", __func__, WIFI_RAND_MAC_FILE);
475 random_ether_addr(wifi_custom_mac_addr);
477 vfs_write(fp, wifi_custom_mac_addr, 6, &pos);
478 filp_close(fp, NULL);
483 vfs_read(fp, wifi_custom_mac_addr, 6, &pos);
484 filp_close(fp, NULL);
486 sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1],
487 wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]);
488 LOG("random wifi_custom_mac_addr=[%s]\n", mac_buf);
493 int rockchip_wifi_mac_addr(unsigned char *buf)
495 char mac_buf[20] = {0};
496 LOG("%s: enter.\n", __func__);
499 if(is_zero_ether_addr(wifi_custom_mac_addr)) {
501 char *tempBuf = kmalloc(512, GFP_KERNEL);
503 rockchip_wifi_get_sn(tempBuf);
504 for (i = 445; i <= 450; i++)
505 wifi_custom_mac_addr[i-445] = tempBuf[i];
512 sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1],
513 wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]);
514 LOG("falsh wifi_custom_mac_addr=[%s]\n", mac_buf);
516 #ifdef ENABLE_WIFI_RAND_MAC
517 rockchip_wifi_rand_mac_addr(buf);
520 if (is_valid_ether_addr(wifi_custom_mac_addr)) {
521 if (!strncmp(wifi_chip_type_string, "rtl", 3))
522 wifi_custom_mac_addr[0] &= ~0x2; // for p2p
524 LOG("This mac address is not valid, ignored...\n");
528 memcpy(buf, wifi_custom_mac_addr, 6);
532 EXPORT_SYMBOL(rockchip_wifi_mac_addr);
534 /**************************************************************************
536 * wifi get country code func
538 *************************************************************************/
539 struct cntry_locales_custom {
540 char iso_abbrev[4]; /* ISO 3166-1 country abbreviation */
541 char custom_locale[4]; /* Custom firmware locale */
542 int custom_locale_rev; /* Custom local revisin default -1 */
545 static struct cntry_locales_custom country_cloc;
547 void *rockchip_wifi_country_code(char *ccode)
549 struct cntry_locales_custom *mcloc;
551 LOG("%s: set country code [%s]\n", __func__, ccode);
552 mcloc = &country_cloc;
553 memcpy(mcloc->custom_locale, ccode, 4);
554 mcloc->custom_locale_rev = 0;
558 EXPORT_SYMBOL(rockchip_wifi_country_code);
559 /**************************************************************************/
561 static int rfkill_rk_setup_gpio(struct rksdmmc_gpio *gpio, const char* prefix, const char* name)
563 if (gpio_is_valid(gpio->io)) {
565 sprintf(gpio->name, "%s_%s", prefix, name);
566 ret = gpio_request(gpio->io, gpio->name);
568 LOG("Failed to get %s gpio.\n", gpio->name);
577 static int wlan_platdata_parse_dt(struct device *dev,
578 struct rksdmmc_gpio_wifi_moudle *data)
580 struct device_node *node = dev->of_node;
584 enum of_gpio_flags flags;
589 memset(data, 0, sizeof(*data));
591 #ifdef CONFIG_MFD_SYSCON
592 data->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
593 if (IS_ERR(data->grf)) {
594 LOG("can't find rockchip,grf property\n");
599 ret = of_property_read_string(node, "wifi_chip_type", &strings);
601 LOG("%s: Can not read wifi_chip_type, set default to rkwifi.\n", __func__);
602 strcpy(wifi_chip_type_string, "rkwifi");
604 strcpy(wifi_chip_type_string, strings);
606 LOG("%s: wifi_chip_type = %s\n", __func__, wifi_chip_type_string);
608 if (of_find_property(node, "keep_wifi_power_on", NULL)) {
609 data->wifi_power_remain = true;
610 LOG("%s: wifi power will enabled while kernel starting and keep on.\n", __func__);
612 data->wifi_power_remain = false;
613 LOG("%s: enable wifi power control.\n", __func__);
616 if (of_find_property(node, "power_ctrl_by_pmu", NULL)) {
617 data->mregulator.power_ctrl_by_pmu = true;
618 ret = of_property_read_string(node, "power_pmu_regulator", &strings);
620 LOG("%s: Can not read property: power_pmu_regulator.\n", __func__);
621 data->mregulator.power_ctrl_by_pmu = false;
623 LOG("%s: wifi power controled by pmu(%s).\n", __func__, strings);
624 sprintf(data->mregulator.pmu_regulator, "%s", strings);
626 ret = of_property_read_u32(node, "power_pmu_enable_level", &value);
628 LOG("%s: Can not read property: power_pmu_enable_level.\n", __func__);
629 data->mregulator.power_ctrl_by_pmu = false;
631 LOG("%s: wifi power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
632 data->mregulator.enable = value;
635 data->mregulator.power_ctrl_by_pmu = false;
636 LOG("%s: wifi power controled by gpio.\n", __func__);
637 gpio = of_get_named_gpio_flags(node, "WIFI,poweren_gpio", 0, &flags);
638 if (gpio_is_valid(gpio)){
639 data->power_n.io = gpio;
640 data->power_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
641 LOG("%s: get property: WIFI,poweren_gpio = %d, flags = %d.\n", __func__, gpio, flags);
642 } else data->power_n.io = -1;
643 gpio = of_get_named_gpio_flags(node, "WIFI,reset_gpio", 0, &flags);
644 if (gpio_is_valid(gpio)){
645 data->reset_n.io = gpio;
646 data->reset_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
647 LOG("%s: get property: WIFI,reset_gpio = %d, flags = %d.\n", __func__, gpio, flags);
648 } else data->reset_n.io = -1;
649 gpio = of_get_named_gpio_flags(node, "WIFI,host_wake_irq", 0, &flags);
650 if (gpio_is_valid(gpio)){
651 data->wifi_int_b.io = gpio;
652 data->wifi_int_b.enable = flags;
653 LOG("%s: get property: WIFI,host_wake_irq = %d, flags = %d.\n", __func__, gpio, flags);
654 } else data->wifi_int_b.io = -1;
661 #if defined(CONFIG_HAS_EARLYSUSPEND)
662 #include <linux/earlysuspend.h>
664 static void wlan_early_suspend(struct early_suspend *h)
666 LOG("%s :enter\n", __func__);
671 static void wlan_late_resume(struct early_suspend *h)
673 LOG("%s :enter\n", __func__);
678 struct early_suspend wlan_early_suspend {
679 .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
680 .suspend = wlan_early_suspend;
681 .resume = wlan_late_resume;
685 static void rfkill_wlan_early_suspend(void)
687 //LOG("%s :enter\n", __func__);
692 static void rfkill_wlan_later_resume(void)
694 //LOG("%s :enter\n", __func__);
699 static int rfkill_wlan_fb_event_notify(struct notifier_block *self,
700 unsigned long action, void *data)
703 struct fb_event *event = data;
704 int blank_mode = *((int *)event->data);
706 switch (blank_mode) {
707 case FB_BLANK_UNBLANK:
708 rfkill_wlan_later_resume();
710 case FB_BLANK_NORMAL:
711 rfkill_wlan_early_suspend();
714 rfkill_wlan_early_suspend();
721 static struct notifier_block rfkill_wlan_fb_notifier = {
722 .notifier_call = rfkill_wlan_fb_event_notify,
726 static int rfkill_wlan_probe(struct platform_device *pdev)
728 struct rfkill_wlan_data *rfkill;
729 struct rksdmmc_gpio_wifi_moudle *pdata = pdev->dev.platform_data;
732 LOG("Enter %s\n", __func__);
736 pdata = kzalloc(sizeof(struct rksdmmc_gpio_wifi_moudle), GFP_KERNEL);
740 ret = wlan_platdata_parse_dt(&pdev->dev, pdata);
743 LOG("%s: No platform data specified\n", __func__);
750 rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
752 goto rfkill_alloc_fail;
754 rfkill->pdata = pdata;
757 LOG("%s: init gpio\n", __func__);
759 if (!pdata->mregulator.power_ctrl_by_pmu) {
760 ret = rfkill_rk_setup_gpio(&pdata->power_n, wlan_name, "wlan_poweren");
761 if (ret) goto fail_alloc;
763 ret = rfkill_rk_setup_gpio(&pdata->reset_n, wlan_name, "wlan_reset");
764 if (ret) goto fail_alloc;
767 wake_lock_init(&(rfkill->wlan_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_wlan_wake");
769 // Turn off wifi power as default
770 if (gpio_is_valid(pdata->power_n.io))
772 gpio_direction_output(pdata->power_n.io, !pdata->power_n.enable);
775 if (pdata->wifi_power_remain)
777 rockchip_wifi_power(1);
780 #if BCM_STATIC_MEMORY_SUPPORT
781 rockchip_init_wifi_mem();
784 #if defined(CONFIG_HAS_EARLYSUSPEND)
785 register_early_suspend(wlan_early_suspend);
788 fb_register_client(&rfkill_wlan_fb_notifier);
790 LOG("Exit %s\n", __func__);
804 static int rfkill_wlan_remove(struct platform_device *pdev)
806 struct rfkill_wlan_data *rfkill = platform_get_drvdata(pdev);
808 LOG("Enter %s\n", __func__);
810 wake_lock_destroy(&rfkill->wlan_irq_wl);
812 fb_unregister_client(&rfkill_wlan_fb_notifier);
814 if (gpio_is_valid(rfkill->pdata->power_n.io))
815 gpio_free(rfkill->pdata->power_n.io);
817 if (gpio_is_valid(rfkill->pdata->reset_n.io))
818 gpio_free(rfkill->pdata->reset_n.io);
820 // if (gpio_is_valid(rfkill->pdata->vddio.io))
821 // gpio_free(rfkill->pdata->vddio.io);
823 // if (gpio_is_valid(rfkill->pdata->bgf_int_b.io))
824 // gpio_free(rfkill->pdata->bgf_int_b.io);
826 // if (gpio_is_valid(rfkill->pdata->gps_sync.io))
827 // gpio_free(rfkill->pdata->gps_sync.io);
829 // if (gpio_is_valid(rfkill->pdata->ANTSEL2.io))
830 // gpio_free(rfkill->pdata->ANTSEL2.io);
832 // if (gpio_is_valid(rfkill->pdata->ANTSEL3.io))
833 // gpio_free(rfkill->pdata->ANTSEL3.io);
835 // if (gpio_is_valid(rfkill->pdata->GPS_LAN.io))
836 // gpio_free(rfkill->pdata->GPS_LAN.io);
844 static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state)
846 LOG("Enter %s\n", __func__);
850 static int rfkill_wlan_resume(struct platform_device *pdev)
852 LOG("Enter %s\n", __func__);
857 static struct of_device_id wlan_platdata_of_match[] = {
858 { .compatible = "wlan-platdata" },
861 MODULE_DEVICE_TABLE(of, wlan_platdata_of_match);
864 static struct platform_driver rfkill_wlan_driver = {
865 .probe = rfkill_wlan_probe,
866 .remove = rfkill_wlan_remove,
867 .suspend = rfkill_wlan_suspend,
868 .resume = rfkill_wlan_resume,
870 .name = "wlan-platdata",
871 .owner = THIS_MODULE,
872 .of_match_table = of_match_ptr(wlan_platdata_of_match),
876 static int __init rfkill_wlan_init(void)
878 LOG("Enter %s\n", __func__);
879 return platform_driver_register(&rfkill_wlan_driver);
882 static void __exit rfkill_wlan_exit(void)
884 LOG("Enter %s\n", __func__);
885 platform_driver_unregister(&rfkill_wlan_driver);
888 module_init(rfkill_wlan_init);
889 module_exit(rfkill_wlan_exit);
891 MODULE_DESCRIPTION("rock-chips rfkill for wifi v0.1");
892 MODULE_AUTHOR("gwl@rock-chips.com");
893 MODULE_LICENSE("GPL");