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__);
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);
440 int rockchip_wifi_set_carddetect(int val)
442 return mmc_host_rescan(NULL, val);//NULL => SDIO host
444 EXPORT_SYMBOL(rockchip_wifi_set_carddetect);
446 /**************************************************************************
448 * Wifi Get Interrupt irq Func
450 *************************************************************************/
451 int rockchip_wifi_get_oob_irq(void)
453 struct rfkill_wlan_data *mrfkill = g_rfkill;
454 struct rksdmmc_gpio *wifi_int_irq;
456 LOG("%s: Enter\n", __func__);
458 if (mrfkill == NULL) {
459 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
463 wifi_int_irq = &mrfkill->pdata->wifi_int_b;
464 if (gpio_is_valid(wifi_int_irq->io)) {
465 return gpio_to_irq(wifi_int_irq->io);
466 //return wifi_int_irq->io;
468 LOG("%s: wifi OOB pin isn't defined.\n", __func__);
473 EXPORT_SYMBOL(rockchip_wifi_get_oob_irq);
475 /**************************************************************************
479 *************************************************************************/
480 int rockchip_wifi_reset(int on)
484 EXPORT_SYMBOL(rockchip_wifi_reset);
486 /**************************************************************************
488 * Wifi MAC custom Func
490 *************************************************************************/
491 #include <linux/etherdevice.h>
492 u8 wifi_custom_mac_addr[6] = {0,0,0,0,0,0};
493 extern char GetSNSectorInfo(char * pbuf);
494 int rockchip_wifi_mac_addr(unsigned char *buf)
498 char mac_buf[20] = {0};
499 LOG("%s: enter.\n", __func__);
502 if(is_zero_ether_addr(wifi_custom_mac_addr)) {
504 char *tempBuf = kmalloc(512, GFP_KERNEL);
506 GetSNSectorInfo(tempBuf);
507 for (i = 506; i <= 511; i++)
508 wifi_custom_mac_addr[i-506] = tempBuf[i];
515 sprintf(mac_buf,"%02x:%02x:%02x:%02x:%02x:%02x",wifi_custom_mac_addr[0],wifi_custom_mac_addr[1],
516 wifi_custom_mac_addr[2],wifi_custom_mac_addr[3],wifi_custom_mac_addr[4],wifi_custom_mac_addr[5]);
517 LOG("falsh wifi_custom_mac_addr=[%s]\n", mac_buf);
519 if (is_valid_ether_addr(wifi_custom_mac_addr)) {
520 if (2 == (wifi_custom_mac_addr[0] & 0x0F)) {
521 LOG("This mac address come into conflict with the address of direct, ignored...\n");
525 LOG("This mac address is not valid, ignored...\n");
529 #if defined(CONFIG_RKWIFI)
530 memcpy(buf, wifi_custom_mac_addr, 6);
532 memcpy(buf, mac_buf, strlen(mac_buf));//realtek's wifi use this branch
537 EXPORT_SYMBOL(rockchip_wifi_mac_addr);
539 /**************************************************************************
541 * wifi get country code func
543 *************************************************************************/
544 struct cntry_locales_custom {
545 char iso_abbrev[4]; /* ISO 3166-1 country abbreviation */
546 char custom_locale[4]; /* Custom firmware locale */
547 int custom_locale_rev; /* Custom local revisin default -1 */
550 static struct cntry_locales_custom country_cloc;
552 void *rockchip_wifi_country_code(char *ccode)
554 struct cntry_locales_custom *mcloc;
556 LOG("%s: set country code [%s]\n", __func__, ccode);
557 mcloc = &country_cloc;
558 memcpy(mcloc->custom_locale, ccode, 4);
559 mcloc->custom_locale_rev = 0;
563 EXPORT_SYMBOL(rockchip_wifi_country_code);
564 /**************************************************************************/
566 static int rockchip_wifi_voltage_select(void)
568 struct rfkill_wlan_data *mrfkill = g_rfkill;
571 if (mrfkill == NULL) {
572 LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);
575 voltage = mrfkill->pdata->sdio_vol;
576 if (voltage > 2700 && voltage < 3500) {
577 writel_relaxed(0x00100000, RK_GRF_VIRT+0x380); //3.3
578 LOG("%s: wifi & sdio reference voltage: 3.3V\n", __func__);
579 } else if (voltage > 1500 && voltage < 1950) {
580 writel_relaxed(0x00100010, RK_GRF_VIRT+0x380); //1.8
581 LOG("%s: wifi & sdio reference voltage: 1.8V\n", __func__);
583 LOG("%s: unsupport wifi & sdio reference voltage!\n", __func__);
590 static int rfkill_rk_setup_gpio(struct rksdmmc_gpio *gpio, const char* prefix, const char* name)
592 if (gpio_is_valid(gpio->io)) {
594 sprintf(gpio->name, "%s_%s", prefix, name);
595 ret = gpio_request(gpio->io, gpio->name);
597 LOG("Failed to get %s gpio.\n", gpio->name);
606 static int wlan_platdata_parse_dt(struct device *dev,
607 struct rksdmmc_gpio_wifi_moudle *data)
609 struct device_node *node = dev->of_node;
613 enum of_gpio_flags flags;
618 memset(data, 0, sizeof(*data));
620 ret = of_property_read_string(node, "wifi_chip_type", &strings);
622 printk("%s: Can not read wifi_chip_type, set default to rkwifi.\n", __func__);
623 strcpy(wifi_chip_type_string, "rkwifi");
625 strcpy(wifi_chip_type_string, strings);
626 printk("%s: wifi_chip_type = %s\n", __func__, wifi_chip_type_string);
629 /* ret = of_property_read_u32(node, "sdio_vref", &value);
631 LOG("%s: Can't get sdio vref.", __func__);
634 data->sdio_vol = value;*/
636 ret = of_property_read_u32(node, "sdio_vref", &value);
638 LOG("%s: Can't get sdio vref.", __func__);
641 data->sdio_vol = value;
644 if (of_find_property(node, "vref_ctrl_enable", NULL)) {
645 LOG("%s: enable wifi io reference voltage control.\n", __func__);
646 data->vref_ctrl_enble = true;
647 if (of_find_property(node, "vref_ctrl_gpio", NULL)) {
648 gpio = of_get_named_gpio_flags(node, "vref_ctrl_gpio", 0, &flags);
649 if (gpio_is_valid(gpio)){
650 data->vddio.io = gpio;
651 data->vddio.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
652 data->ioregulator.power_ctrl_by_pmu = false;
653 LOG("%s: get property: vref_ctrl_gpio = %d, flags = %d.\n", __func__, gpio, flags);
656 data->vref_ctrl_enble = false;
657 LOG("%s: vref_ctrl_gpio defined invalid, disable wifi io reference voltage control.\n", __func__);
660 data->ioregulator.power_ctrl_by_pmu = true;
661 ret = of_property_read_string(node, "vref_pmu_regulator", &strings);
663 LOG("%s: Can not read property: vref_pmu_regulator.\n", __func__);
664 data->vref_ctrl_enble = false;
665 data->ioregulator.power_ctrl_by_pmu = false;
667 LOG("%s: wifi io reference voltage controled by pmu(%s).\n", __func__, strings);
668 sprintf(data->ioregulator.pmu_regulator, "%s", strings);
670 ret = of_property_read_u32(node, "vref_pmu_enable_level", &value);
672 LOG("%s: Can not read property: vref_pmu_enable_level.\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(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
677 data->ioregulator.enable = value;
681 data->vref_ctrl_enble = false;
682 LOG("%s: disable wifi io reference voltage control.\n", __func__);
685 if (of_find_property(node, "power_ctrl_by_pmu", NULL)) {
686 data->mregulator.power_ctrl_by_pmu = true;
687 ret = of_property_read_string(node, "power_pmu_regulator", &strings);
689 LOG("%s: Can not read property: power_pmu_regulator.\n", __func__);
690 data->mregulator.power_ctrl_by_pmu = false;
692 LOG("%s: wifi power controled by pmu(%s).\n", __func__, strings);
693 sprintf(data->mregulator.pmu_regulator, "%s", strings);
695 ret = of_property_read_u32(node, "power_pmu_enable_level", &value);
697 LOG("%s: Can not read property: power_pmu_enable_level.\n", __func__);
698 data->mregulator.power_ctrl_by_pmu = false;
700 LOG("%s: wifi power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
701 data->mregulator.enable = value;
704 data->mregulator.power_ctrl_by_pmu = false;
705 LOG("%s: wifi power controled by gpio.\n", __func__);
706 gpio = of_get_named_gpio_flags(node, "WIFI,poweren_gpio", 0, &flags);
707 if (gpio_is_valid(gpio)){
708 data->power_n.io = gpio;
709 data->power_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
710 LOG("%s: get property: WIFI,poweren_gpio = %d, flags = %d.\n", __func__, gpio, flags);
711 } else data->power_n.io = -1;
712 gpio = of_get_named_gpio_flags(node, "WIFI,reset_gpio", 0, &flags);
713 if (gpio_is_valid(gpio)){
714 data->reset_n.io = gpio;
715 data->reset_n.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
716 LOG("%s: get property: WIFI,reset_gpio = %d, flags = %d.\n", __func__, gpio, flags);
717 } else data->reset_n.io = -1;
718 gpio = of_get_named_gpio_flags(node, "WIFI,host_wake_irq", 0, &flags);
719 if (gpio_is_valid(gpio)){
720 data->wifi_int_b.io = gpio;
721 data->wifi_int_b.enable = flags;
722 LOG("%s: get property: WIFI,host_wake_irq = %d, flags = %d.\n", __func__, gpio, flags);
723 } else data->wifi_int_b.io = -1;
730 #if defined(CONFIG_HAS_EARLYSUSPEND)
731 #include <linux/earlysuspend.h>
733 static void wlan_early_suspend(struct early_suspend *h)
735 LOG("%s :enter\n", __func__);
740 static void wlan_late_resume(struct early_suspend *h)
742 LOG("%s :enter\n", __func__);
747 struct early_suspend wlan_early_suspend {
748 .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20;
749 .suspend = wlan_early_suspend;
750 .resume = wlan_late_resume;
754 static int rfkill_wlan_probe(struct platform_device *pdev)
756 struct rfkill_wlan_data *rfkill;
757 struct rksdmmc_gpio_wifi_moudle *pdata = pdev->dev.platform_data;
760 LOG("Enter %s\n", __func__);
764 pdata = kzalloc(sizeof(struct rksdmmc_gpio_wifi_moudle), GFP_KERNEL);
768 ret = wlan_platdata_parse_dt(&pdev->dev, pdata);
771 LOG("%s: No platform data specified\n", __func__);
778 rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
780 goto rfkill_alloc_fail;
782 rfkill->pdata = pdata;
785 LOG("%s: init gpio\n", __func__);
787 if (!pdata->mregulator.power_ctrl_by_pmu) {
788 ret = rfkill_rk_setup_gpio(&pdata->power_n, wlan_name, "wlan_poweren");
789 if (ret) goto fail_alloc;
791 ret = rfkill_rk_setup_gpio(&pdata->reset_n, wlan_name, "wlan_reset");
792 if (ret) goto fail_alloc;
795 wake_lock_init(&(rfkill->wlan_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_wlan_wake");
797 // Turn off wifi power as default
798 if (gpio_is_valid(pdata->power_n.io))
800 gpio_direction_output(pdata->power_n.io, !pdata->power_n.enable);
803 rockchip_wifi_voltage_select();
805 #if BCM_STATIC_MEMORY_SUPPORT
806 rockchip_init_wifi_mem();
809 #if defined(CONFIG_HAS_EARLYSUSPEND)
810 register_early_suspend(wlan_early_suspend);
813 LOG("Exit %s\n", __func__);
827 static int rfkill_wlan_remove(struct platform_device *pdev)
829 struct rfkill_wlan_data *rfkill = platform_get_drvdata(pdev);
831 LOG("Enter %s\n", __func__);
833 wake_lock_destroy(&rfkill->wlan_irq_wl);
835 if (gpio_is_valid(rfkill->pdata->power_n.io))
836 gpio_free(rfkill->pdata->power_n.io);
838 if (gpio_is_valid(rfkill->pdata->reset_n.io))
839 gpio_free(rfkill->pdata->reset_n.io);
841 // if (gpio_is_valid(rfkill->pdata->vddio.io))
842 // gpio_free(rfkill->pdata->vddio.io);
844 // if (gpio_is_valid(rfkill->pdata->bgf_int_b.io))
845 // gpio_free(rfkill->pdata->bgf_int_b.io);
847 // if (gpio_is_valid(rfkill->pdata->gps_sync.io))
848 // gpio_free(rfkill->pdata->gps_sync.io);
850 // if (gpio_is_valid(rfkill->pdata->ANTSEL2.io))
851 // gpio_free(rfkill->pdata->ANTSEL2.io);
853 // if (gpio_is_valid(rfkill->pdata->ANTSEL3.io))
854 // gpio_free(rfkill->pdata->ANTSEL3.io);
856 // if (gpio_is_valid(rfkill->pdata->GPS_LAN.io))
857 // gpio_free(rfkill->pdata->GPS_LAN.io);
865 static int rfkill_wlan_suspend(struct platform_device *pdev, pm_message_t state)
867 LOG("Enter %s\n", __func__);
871 static int rfkill_wlan_resume(struct platform_device *pdev)
873 LOG("Enter %s\n", __func__);
878 static struct of_device_id wlan_platdata_of_match[] = {
879 { .compatible = "wlan-platdata" },
882 MODULE_DEVICE_TABLE(of, wlan_platdata_of_match);
885 static struct platform_driver rfkill_wlan_driver = {
886 .probe = rfkill_wlan_probe,
887 .remove = rfkill_wlan_remove,
888 .suspend = rfkill_wlan_suspend,
889 .resume = rfkill_wlan_resume,
891 .name = "wlan-platdata",
892 .owner = THIS_MODULE,
893 .of_match_table = of_match_ptr(wlan_platdata_of_match),
897 static int __init rfkill_wlan_init(void)
899 LOG("Enter %s\n", __func__);
900 return platform_driver_register(&rfkill_wlan_driver);
903 static void __exit rfkill_wlan_exit(void)
905 LOG("Enter %s\n", __func__);
906 platform_driver_unregister(&rfkill_wlan_driver);
909 module_init(rfkill_wlan_init);
910 module_exit(rfkill_wlan_exit);
912 MODULE_DESCRIPTION("rock-chips rfkill for wifi v0.1");
913 MODULE_AUTHOR("gwl@rock-chips.com");
914 MODULE_LICENSE("GPL");