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amazingfate-rtl8723ds/os_dep/linux/sdio_intf.c
Larry Finger 1a8f8b1557 rtl8723ds: Clean up some Coverity and Smatch warnings 
The includes turning CONGIG_MP_INCLUDED off.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2023-02-03 19:28:56 -06:00

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/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _HCI_INTF_C_
#include <drv_types.h>
#include <hal_data.h>
#include <platform_ops.h>
#ifndef CONFIG_SDIO_HCI
#error "CONFIG_SDIO_HCI shall be on!\n"
#endif
#ifdef CONFIG_RTL8822B
#include <rtl8822b_hal.h> /* rtl8822bs_set_hal_ops() */
#endif /* CONFIG_RTL8822B */
#ifdef CONFIG_RTL8821C
#include <rtl8821cs_hal.h> /* rtl8821cs_set_hal_ops() */
#endif /* CONFIG_RTL8821C */
#ifdef CONFIG_PLATFORM_INTEL_BYT
#ifdef CONFIG_ACPI
#include <linux/acpi.h>
#include <linux/acpi_gpio.h>
#include "rtw_android.h"
#endif
static int wlan_en_gpio = -1;
#endif /* CONFIG_PLATFORM_INTEL_BYT */
#ifndef dev_to_sdio_func
#define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
#endif
#ifdef CONFIG_WOWLAN
static struct mmc_host *mmc_host = NULL;
#endif
static const struct sdio_device_id sdio_ids[] = {
#ifdef CONFIG_RTL8723B
{ SDIO_DEVICE(0x024c, 0xB723), .driver_data = RTL8723B},
#endif
#ifdef CONFIG_RTL8188E
{ SDIO_DEVICE(0x024c, 0x8179), .driver_data = RTL8188E},
#endif /* CONFIG_RTL8188E */
#ifdef CONFIG_RTL8821A
{ SDIO_DEVICE(0x024c, 0x8821), .driver_data = RTL8821},
#endif /* CONFIG_RTL8821A */
#ifdef CONFIG_RTL8192E
{ SDIO_DEVICE(0x024c, 0x818B), .driver_data = RTL8192E},
#endif /* CONFIG_RTL8192E */
#ifdef CONFIG_RTL8703B
{ SDIO_DEVICE(0x024c, 0xB703), .driver_data = RTL8703B},
#endif
#ifdef CONFIG_RTL8188F
{SDIO_DEVICE(0x024c, 0xF179), .driver_data = RTL8188F},
#endif
#ifdef CONFIG_RTL8822B
{SDIO_DEVICE(0x024c, 0xB822), .driver_data = RTL8822B},
#endif
#ifdef CONFIG_RTL8723D
{ SDIO_DEVICE(0x024c, 0xD723), .driver_data = RTL8723D},
{ SDIO_DEVICE(0x024c, 0xD724), .driver_data = RTL8723D},
#endif
#ifdef CONFIG_RTL8821C
{SDIO_DEVICE(0x024c, 0xB821), .driver_data = RTL8821C},
#endif
#if defined(RTW_ENABLE_WIFI_CONTROL_FUNC) /* temporarily add this to accept all sdio wlan id */
{ SDIO_DEVICE_CLASS(SDIO_CLASS_WLAN) },
#endif
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(sdio, sdio_ids);
static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
static void rtw_dev_remove(struct sdio_func *func);
static int rtw_sdio_resume(struct device *dev);
static int rtw_sdio_suspend(struct device *dev);
extern void rtw_dev_unload(PADAPTER padapter);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
static const struct dev_pm_ops rtw_sdio_pm_ops = {
.suspend = rtw_sdio_suspend,
.resume = rtw_sdio_resume,
};
#endif
struct sdio_drv_priv {
struct sdio_driver r871xs_drv;
int drv_registered;
};
static struct sdio_drv_priv sdio_drvpriv = {
.r871xs_drv.probe = rtw_drv_init,
.r871xs_drv.remove = rtw_dev_remove,
.r871xs_drv.name = (char *)DRV_NAME,
.r871xs_drv.id_table = sdio_ids,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
.r871xs_drv.drv = {
.pm = &rtw_sdio_pm_ops,
}
#endif
};
static struct rtw_if_operations sdio_ops = {
.read = rtw_sdio_raw_read,
.write = rtw_sdio_raw_write,
};
static void sd_sync_int_hdl(struct sdio_func *func)
{
struct dvobj_priv *psdpriv;
psdpriv = sdio_get_drvdata(func);
if (!psdpriv->padapters[IFACE_ID0]) {
RTW_INFO("%s primary adapter == NULL\n", __func__);
return;
}
rtw_sdio_set_irq_thd(psdpriv, current);
sd_int_hdl(psdpriv->padapters[IFACE_ID0]);
rtw_sdio_set_irq_thd(psdpriv, NULL);
}
int sdio_alloc_irq(struct dvobj_priv *dvobj)
{
PSDIO_DATA psdio_data;
struct sdio_func *func;
int err;
psdio_data = &dvobj->intf_data;
func = psdio_data->func;
sdio_claim_host(func);
err = sdio_claim_irq(func, &sd_sync_int_hdl);
if (err) {
dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
RTW_PRINT("%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
} else {
dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
dvobj->irq_alloc = 1;
}
sdio_release_host(func);
return err ? _FAIL : _SUCCESS;
}
void sdio_free_irq(struct dvobj_priv *dvobj)
{
PSDIO_DATA psdio_data;
struct sdio_func *func;
int err;
if (dvobj->irq_alloc) {
psdio_data = &dvobj->intf_data;
func = psdio_data->func;
if (func) {
sdio_claim_host(func);
err = sdio_release_irq(func);
if (err) {
dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
RTW_ERR("%s: sdio_release_irq FAIL(%d)!\n", __func__, err);
} else
dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
sdio_release_host(func);
}
dvobj->irq_alloc = 0;
}
}
#ifdef CONFIG_GPIO_WAKEUP
extern unsigned int oob_irq;
extern unsigned int oob_gpio;
static irqreturn_t gpio_hostwakeup_irq_thread(int irq, void *data)
{
PADAPTER padapter = (PADAPTER)data;
RTW_PRINT("gpio_hostwakeup_irq_thread\n");
/* Disable interrupt before calling handler */
/* disable_irq_nosync(oob_irq); */
rtw_lock_suspend_timeout(HZ / 2);
#ifdef CONFIG_PLATFORM_ARM_SUN6I
return 0;
#else
return IRQ_HANDLED;
#endif
}
static u8 gpio_hostwakeup_alloc_irq(PADAPTER padapter)
{
int err;
u32 status = 0;
if (oob_irq == 0) {
RTW_INFO("oob_irq ZERO!\n");
return _FAIL;
}
RTW_INFO("%s : oob_irq = %d\n", __func__, oob_irq);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32))
status = IRQF_NO_SUSPEND;
#endif
if (HIGH_ACTIVE)
status |= IRQF_TRIGGER_RISING;
else
status |= IRQF_TRIGGER_FALLING;
err = request_threaded_irq(oob_irq, gpio_hostwakeup_irq_thread, NULL,
status, "rtw_wifi_gpio_wakeup", padapter);
if (err < 0) {
RTW_INFO("Oops: can't allocate gpio irq %d err:%d\n", oob_irq, err);
return _FALSE;
} else
RTW_INFO("allocate gpio irq %d ok\n", oob_irq);
#ifndef CONFIG_PLATFORM_ARM_SUN8I
enable_irq_wake(oob_irq);
#endif
return _SUCCESS;
}
static void gpio_hostwakeup_free_irq(PADAPTER padapter)
{
wifi_free_gpio(oob_gpio);
if (oob_irq == 0)
return;
#ifndef CONFIG_PLATFORM_ARM_SUN8I
disable_irq_wake(oob_irq);
#endif
free_irq(oob_irq, padapter);
}
#endif
static u32 sdio_init(struct dvobj_priv *dvobj)
{
PSDIO_DATA psdio_data;
struct sdio_func *func;
int err;
psdio_data = &dvobj->intf_data;
func = psdio_data->func;
/* 3 1. init SDIO bus */
sdio_claim_host(func);
err = sdio_enable_func(func);
if (err) {
dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
RTW_PRINT("%s: sdio_enable_func FAIL(%d)!\n", __func__, err);
goto release;
}
err = sdio_set_block_size(func, 512);
if (err) {
dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
RTW_PRINT("%s: sdio_set_block_size FAIL(%d)!\n", __func__, err);
goto release;
}
psdio_data->block_transfer_len = 512;
psdio_data->tx_block_mode = 1;
psdio_data->rx_block_mode = 1;
psdio_data->clock = func->card->host->ios.clock;
RTW_PRINT("%s: sdio clk rate: %d\n", __func__, psdio_data->clock);
if (dvobj->irq_alloc == 0) {
if (sdio_alloc_irq(dvobj) != _SUCCESS) {
RTW_ERR("%s: sdio_alloc_irq fail\n", __func__);
goto release;
}
}
release:
sdio_release_host(func);
if (err)
return _FAIL;
return _SUCCESS;
}
static void sdio_deinit(struct dvobj_priv *dvobj)
{
struct sdio_func *func;
int err;
func = dvobj->intf_data.func;
if (func) {
sdio_claim_host(func);
err = sdio_disable_func(func);
if (err) {
dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
RTW_ERR("%s: sdio_disable_func(%d)\n", __func__, err);
}
if (dvobj->irq_alloc) {
err = sdio_release_irq(func);
if (err) {
dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
RTW_ERR("%s: sdio_release_irq(%d)\n", __func__, err);
} else {
dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
dvobj->irq_alloc = 0;
}
}
sdio_release_host(func);
}
}
static void rtw_decide_chip_type_by_device_id(struct dvobj_priv *dvobj, const struct sdio_device_id *pdid)
{
dvobj->chip_type = pdid->driver_data;
#if defined(CONFIG_RTL8188E)
if (dvobj->chip_type == RTL8188E) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8188ES;
RTW_INFO("CHIP TYPE: RTL8188E\n");
}
#endif
#if defined(CONFIG_RTL8723B)
dvobj->chip_type = RTL8723B;
dvobj->HardwareType = HARDWARE_TYPE_RTL8723BS;
#endif
#if defined(CONFIG_RTL8821A)
if (dvobj->chip_type == RTL8821) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8821S;
RTW_INFO("CHIP TYPE: RTL8821A\n");
}
#endif
#if defined(CONFIG_RTL8192E)
if (dvobj->chip_type == RTL8192E) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8192ES;
RTW_INFO("CHIP TYPE: RTL8192E\n");
}
#endif
#if defined(CONFIG_RTL8703B)
if (dvobj->chip_type == RTL8703B) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8703BS;
RTW_INFO("CHIP TYPE: RTL8703B\n");
}
#endif
#if defined(CONFIG_RTL8723D)
if (dvobj->chip_type == RTL8723D) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8723DS;
RTW_INFO("CHIP TYPE: RTL8723D\n");
}
#endif
#if defined(CONFIG_RTL8188F)
if (dvobj->chip_type == RTL8188F) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8188FS;
RTW_INFO("CHIP TYPE: RTL8188F\n");
}
#endif
#if defined(CONFIG_RTL8822B)
if (dvobj->chip_type == RTL8822B) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8822BS;
RTW_INFO("CHIP TYPE: RTL8822B\n");
}
#endif
#if defined(CONFIG_RTL8821C)
if (dvobj->chip_type == RTL8821C) {
dvobj->HardwareType = HARDWARE_TYPE_RTL8821CS;
RTW_INFO("CHIP TYPE: RTL8821C\n");
}
#endif
}
static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func, const struct sdio_device_id *pdid)
{
int status = _FAIL;
struct dvobj_priv *dvobj = NULL;
PSDIO_DATA psdio;
dvobj = devobj_init();
if (dvobj == NULL)
goto exit;
dvobj->intf_ops = &sdio_ops;
sdio_set_drvdata(func, dvobj);
psdio = &dvobj->intf_data;
psdio->func = func;
if (sdio_init(dvobj) != _SUCCESS) {
goto free_dvobj;
}
dvobj->interface_type = RTW_SDIO;
rtw_decide_chip_type_by_device_id(dvobj, pdid);
rtw_reset_continual_io_error(dvobj);
status = _SUCCESS;
free_dvobj:
if (status != _SUCCESS && dvobj) {
sdio_set_drvdata(func, NULL);
devobj_deinit(dvobj);
dvobj = NULL;
}
exit:
return dvobj;
}
static void sdio_dvobj_deinit(struct sdio_func *func)
{
struct dvobj_priv *dvobj = sdio_get_drvdata(func);
sdio_set_drvdata(func, NULL);
if (dvobj) {
sdio_deinit(dvobj);
devobj_deinit(dvobj);
}
return;
}
u8 rtw_set_hal_ops(PADAPTER padapter)
{
/* alloc memory for HAL DATA */
if (rtw_hal_data_init(padapter) == _FAIL)
return _FAIL;
#if defined(CONFIG_RTL8188E)
if (rtw_get_chip_type(padapter) == RTL8188E)
rtl8188es_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8723B)
if (rtw_get_chip_type(padapter) == RTL8723B)
rtl8723bs_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8821A)
if (rtw_get_chip_type(padapter) == RTL8821)
rtl8821as_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8192E)
if (rtw_get_chip_type(padapter) == RTL8192E)
rtl8192es_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8703B)
if (rtw_get_chip_type(padapter) == RTL8703B)
rtl8703bs_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8723D)
if (rtw_get_chip_type(padapter) == RTL8723D)
rtl8723ds_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8188F)
if (rtw_get_chip_type(padapter) == RTL8188F)
rtl8188fs_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8822B)
if (rtw_get_chip_type(padapter) == RTL8822B)
rtl8822bs_set_hal_ops(padapter);
#endif
#if defined(CONFIG_RTL8821C)
if (rtw_get_chip_type(padapter) == RTL8821C) {
if (rtl8821cs_set_hal_ops(padapter) == _FAIL)
return _FAIL;
}
#endif
if (rtw_hal_ops_check(padapter) == _FAIL)
return _FAIL;
if (hal_spec_init(padapter) == _FAIL)
return _FAIL;
return _SUCCESS;
}
static void sd_intf_start(PADAPTER padapter)
{
if (padapter == NULL) {
RTW_ERR("%s: padapter is NULL!\n", __func__);
return;
}
/* hal dep */
rtw_hal_enable_interrupt(padapter);
}
static void sd_intf_stop(PADAPTER padapter)
{
if (padapter == NULL) {
RTW_ERR("%s: padapter is NULL!\n", __func__);
return;
}
/* hal dep */
rtw_hal_disable_interrupt(padapter);
}
#ifdef RTW_SUPPORT_PLATFORM_SHUTDOWN
PADAPTER g_test_adapter = NULL;
#endif /* RTW_SUPPORT_PLATFORM_SHUTDOWN */
_adapter *rtw_sdio_primary_adapter_init(struct dvobj_priv *dvobj)
{
int status = _FAIL;
PADAPTER padapter = NULL;
padapter = (_adapter *)rtw_zvmalloc(sizeof(*padapter));
if (padapter == NULL)
goto exit;
if (loadparam(padapter) != _SUCCESS)
goto free_adapter;
#ifdef RTW_SUPPORT_PLATFORM_SHUTDOWN
g_test_adapter = padapter;
#endif /* RTW_SUPPORT_PLATFORM_SHUTDOWN */
padapter->dvobj = dvobj;
rtw_set_drv_stopped(padapter);/*init*/
dvobj->padapters[dvobj->iface_nums++] = padapter;
padapter->iface_id = IFACE_ID0;
/* set adapter_type/iface type for primary padapter */
padapter->isprimary = _TRUE;
padapter->adapter_type = PRIMARY_ADAPTER;
#ifdef CONFIG_MI_WITH_MBSSID_CAM
padapter->hw_port = HW_PORT0;
#else
padapter->hw_port = HW_PORT0;
#endif
/* 3 3. init driver special setting, interface, OS and hardware relative */
/* 4 3.1 set hardware operation functions */
if (rtw_set_hal_ops(padapter) == _FAIL)
goto free_hal_data;
/* 3 5. initialize Chip version */
padapter->intf_start = &sd_intf_start;
padapter->intf_stop = &sd_intf_stop;
padapter->intf_init = &sdio_init;
padapter->intf_deinit = &sdio_deinit;
padapter->intf_alloc_irq = &sdio_alloc_irq;
padapter->intf_free_irq = &sdio_free_irq;
if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL) {
goto free_hal_data;
}
rtw_hal_read_chip_version(padapter);
rtw_hal_chip_configure(padapter);
/* 3 6. read efuse/eeprom data */
rtw_hal_read_chip_info(padapter);
/* 3 7. init driver common data */
if (rtw_init_drv_sw(padapter) == _FAIL) {
goto free_hal_data;
}
#ifdef CONFIG_BT_COEXIST
rtw_btcoex_Initialize(padapter);
#endif /* CONFIG_BT_COEXIST */
/* 3 8. get WLan MAC address */
/* set mac addr */
rtw_macaddr_cfg(adapter_mac_addr(padapter), get_hal_mac_addr(padapter));
#ifdef CONFIG_MI_WITH_MBSSID_CAM
rtw_mbid_camid_alloc(padapter, adapter_mac_addr(padapter));
#endif
#ifdef CONFIG_P2P
rtw_init_wifidirect_addrs(padapter, adapter_mac_addr(padapter), adapter_mac_addr(padapter));
#endif /* CONFIG_P2P */
rtw_hal_disable_interrupt(padapter);
RTW_INFO("bDriverStopped:%s, bSurpriseRemoved:%s, bup:%d, hw_init_completed:%d\n"
, rtw_is_drv_stopped(padapter) ? "True" : "False"
, rtw_is_surprise_removed(padapter) ? "True" : "False"
, padapter->bup
, rtw_get_hw_init_completed(padapter)
);
status = _SUCCESS;
free_hal_data:
if (status != _SUCCESS && padapter->HalData)
rtw_hal_free_data(padapter);
free_adapter:
if (status != _SUCCESS && padapter) {
rtw_vmfree((u8 *)padapter, sizeof(*padapter));
padapter = NULL;
}
exit:
return padapter;
}
static void rtw_sdio_primary_adapter_deinit(_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (check_fwstate(pmlmepriv, _FW_LINKED))
rtw_disassoc_cmd(padapter, 0, _FALSE);
#ifdef CONFIG_AP_MODE
if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == _TRUE) {
free_mlme_ap_info(padapter);
#ifdef CONFIG_HOSTAPD_MLME
hostapd_mode_unload(padapter);
#endif
}
#endif
#ifdef CONFIG_GPIO_WAKEUP
#ifdef CONFIG_PLATFORM_ARM_SUN6I
sw_gpio_eint_set_enable(gpio_eint_wlan, 0);
sw_gpio_irq_free(eint_wlan_handle);
#else
#ifndef RTW_ENABLE_WIFI_CONTROL_FUNC
gpio_hostwakeup_free_irq(padapter);
#endif /* RTW_ENABLE_WIFI_CONTROL_FUNC */
#endif /* CONFIG_PLATFORM_ARM_SUN6I */
#endif /* CONFIG_GPIO_WAKEUP */
/*rtw_cancel_all_timer(if1);*/
#ifdef CONFIG_WOWLAN
adapter_to_pwrctl(padapter)->wowlan_mode = _FALSE;
RTW_PRINT("%s wowlan_mode:%d\n", __func__, adapter_to_pwrctl(padapter)->wowlan_mode);
#endif /* CONFIG_WOWLAN */
rtw_dev_unload(padapter);
RTW_INFO("+r871xu_dev_remove, hw_init_completed=%d\n", rtw_get_hw_init_completed(padapter));
rtw_free_drv_sw(padapter);
/* TODO: use rtw_os_ndevs_deinit instead at the first stage of driver's dev deinit function */
rtw_os_ndev_free(padapter);
#ifdef RTW_HALMAC
rtw_halmac_deinit_adapter(adapter_to_dvobj(padapter));
#endif /* RTW_HALMAC */
rtw_vmfree((u8 *)padapter, sizeof(_adapter));
#ifdef CONFIG_PLATFORM_RTD2880B
RTW_INFO("wlan link down\n");
rtd2885_wlan_netlink_sendMsg("linkdown", "8712");
#endif
#ifdef RTW_SUPPORT_PLATFORM_SHUTDOWN
g_test_adapter = NULL;
#endif /* RTW_SUPPORT_PLATFORM_SHUTDOWN */
}
/*
* drv_init() - a device potentially for us
*
* notes: drv_init() is called when the bus driver has located a card for us to support.
* We accept the new device by returning 0.
*/
static int rtw_drv_init(
struct sdio_func *func,
const struct sdio_device_id *id)
{
int status = _FAIL;
#ifdef CONFIG_CONCURRENT_MODE
int i;
#endif
struct net_device *pnetdev;
PADAPTER padapter = NULL;
struct dvobj_priv *dvobj;
#ifdef CONFIG_PLATFORM_INTEL_BYT
#ifdef CONFIG_ACPI
acpi_handle handle;
struct acpi_device *adev;
#endif
#if defined(CONFIG_ACPI) && defined(CONFIG_GPIO_WAKEUP)
handle = ACPI_HANDLE(&func->dev);
if (handle) {
/* Dont try to do acpi pm for the wifi module */
if (!handle || acpi_bus_get_device(handle, &adev))
RTW_INFO("Could not get acpi pointer!\n");
else {
adev->flags.power_manageable = 0;
RTW_INFO("Disabling ACPI power management support!\n");
}
oob_gpio = acpi_get_gpio_by_index(&func->dev, 0, NULL);
RTW_INFO("rtw_drv_init: ACPI_HANDLE found oob_gpio %d!\n", oob_gpio);
wifi_configure_gpio();
} else
RTW_INFO("rtw_drv_init: ACPI_HANDLE NOT found!\n");
#endif
#if defined(CONFIG_ACPI)
if (&func->dev && ACPI_HANDLE(&func->dev)) {
wlan_en_gpio = acpi_get_gpio_by_index(&func->dev, 1, NULL);
RTW_INFO("rtw_drv_init: ACPI_HANDLE found wlan_en %d!\n", wlan_en_gpio);
} else
RTW_INFO("rtw_drv_init: ACPI_HANDLE NOT found!\n");
#endif
#endif /* CONFIG_PLATFORM_INTEL_BYT */
dvobj = sdio_dvobj_init(func, id);
if (dvobj == NULL) {
goto exit;
}
padapter = rtw_sdio_primary_adapter_init(dvobj);
if (padapter == NULL) {
RTW_INFO("rtw_init_primary_adapter Failed!\n");
goto free_dvobj;
}
#ifdef CONFIG_CONCURRENT_MODE
if (padapter->registrypriv.virtual_iface_num > (CONFIG_IFACE_NUMBER - 1))
padapter->registrypriv.virtual_iface_num = (CONFIG_IFACE_NUMBER - 1);
for (i = 0; i < padapter->registrypriv.virtual_iface_num; i++) {
if (rtw_drv_add_vir_if(padapter, sdio_set_intf_ops) == NULL) {
RTW_INFO("rtw_drv_add_iface failed! (%d)\n", i);
goto free_if_vir;
}
}
#endif
/* dev_alloc_name && register_netdev */
if (rtw_os_ndevs_init(dvobj) != _SUCCESS)
goto free_if_vir;
#ifdef CONFIG_HOSTAPD_MLME
hostapd_mode_init(padapter);
#endif
#ifdef CONFIG_PLATFORM_RTD2880B
RTW_INFO("wlan link up\n");
rtd2885_wlan_netlink_sendMsg("linkup", "8712");
#endif
#ifdef CONFIG_GPIO_WAKEUP
#ifdef CONFIG_PLATFORM_ARM_SUN6I
eint_wlan_handle = sw_gpio_irq_request(gpio_eint_wlan, TRIG_EDGE_NEGATIVE, (peint_handle)gpio_hostwakeup_irq_thread, NULL);
if (!eint_wlan_handle) {
RTW_INFO("%s: request irq failed\n", __func__);
return -1;
}
#else
#ifndef RTW_ENABLE_WIFI_CONTROL_FUNC
gpio_hostwakeup_alloc_irq(padapter);
#endif /* RTW_ENABLE_WIFI_CONTROL_FUNC */
#endif /* CONFIG_PLATFORM_ARM_SUN6I */
#endif /* CONFIG_GPIO_WAKEUP */
#ifdef CONFIG_GLOBAL_UI_PID
if (ui_pid[1] != 0) {
RTW_INFO("ui_pid[1]:%d\n", ui_pid[1]);
rtw_signal_process(ui_pid[1], SIGUSR2);
}
#endif
status = _SUCCESS;
free_if_vir:
if (status != _SUCCESS) {
#ifdef CONFIG_CONCURRENT_MODE
rtw_drv_stop_vir_ifaces(dvobj);
rtw_drv_free_vir_ifaces(dvobj);
#endif
}
if (status != _SUCCESS && padapter)
rtw_sdio_primary_adapter_deinit(padapter);
free_dvobj:
if (status != _SUCCESS)
sdio_dvobj_deinit(func);
exit:
return status == _SUCCESS ? 0 : -ENODEV;
}
static void rtw_dev_remove(struct sdio_func *func)
{
struct dvobj_priv *dvobj = sdio_get_drvdata(func);
struct pwrctrl_priv *pwrctl = dvobj_to_pwrctl(dvobj);
PADAPTER padapter = dvobj->padapters[IFACE_ID0];
dvobj->processing_dev_remove = _TRUE;
/* TODO: use rtw_os_ndevs_deinit instead at the first stage of driver's dev deinit function */
rtw_os_ndevs_unregister(dvobj);
if (!rtw_is_surprise_removed(padapter)) {
int err;
/* test surprise remove */
sdio_claim_host(func);
sdio_readb(func, 0, &err);
sdio_release_host(func);
if (err == -ENOMEDIUM) {
rtw_set_surprise_removed(padapter);
RTW_INFO("%s: device had been removed!\n", __func__);
}
}
#if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
rtw_unregister_early_suspend(pwrctl);
#endif
rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
rtw_pm_set_ips(padapter, IPS_NONE);
rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
LeaveAllPowerSaveMode(padapter);
rtw_set_drv_stopped(padapter); /*for stop thread*/
rtw_stop_cmd_thread(padapter);
#ifdef CONFIG_CONCURRENT_MODE
rtw_drv_stop_vir_ifaces(dvobj);
#endif
#ifdef CONFIG_BT_COEXIST
#ifdef CONFIG_BT_COEXIST_SOCKET_TRX
if (GET_HAL_DATA(padapter)->EEPROMBluetoothCoexist)
rtw_btcoex_close_socket(padapter);
#endif
rtw_btcoex_HaltNotify(padapter);
#endif
rtw_sdio_primary_adapter_deinit(padapter);
#ifdef CONFIG_CONCURRENT_MODE
rtw_drv_free_vir_ifaces(dvobj);
#endif
sdio_dvobj_deinit(func);
}
extern int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
extern int pm_netdev_close(struct net_device *pnetdev, u8 bnormal);
static int rtw_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
struct pwrctrl_priv *pwrpriv = NULL;
_adapter *padapter = NULL;
struct debug_priv *pdbgpriv = NULL;
int ret = 0;
u8 ch, bw, offset;
if (!func || !psdpriv)
goto exit;
if (psdpriv->processing_dev_remove == _TRUE) {
RTW_ERR("%s processing_dev_remove is _TRUE\n", __func__);
goto exit;
}
pwrpriv = dvobj_to_pwrctl(psdpriv);
padapter = psdpriv->padapters[IFACE_ID0];
pdbgpriv = &psdpriv->drv_dbg;
if (rtw_is_drv_stopped(padapter)) {
RTW_INFO("%s bDriverStopped == _TRUE\n", __func__);
goto exit;
}
if (pwrpriv->bInSuspend == _TRUE) {
RTW_INFO("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
pdbgpriv->dbg_suspend_error_cnt++;
goto exit;
}
ret = rtw_suspend_common(padapter);
exit:
#ifdef CONFIG_RTW_SDIO_PM_KEEP_POWER
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34))
/* Android 4.0 don't support WIFI close power */
/* or power down or clock will close after wifi resume, */
/* this is sprd's bug in Android 4.0, but sprd don't */
/* want to fix it. */
/* we have test power under 8723as, power consumption is ok */
{
unsigned pm_flag = 0;
pm_flag = sdio_get_host_pm_caps(func);
RTW_INFO("cmd: %s: suspend: PM flag = 0x%x\n", sdio_func_id(func), pm_flag);
if (!(pm_flag & MMC_PM_KEEP_POWER)) {
RTW_INFO("%s: cannot remain alive while host is suspended\n", sdio_func_id(func));
if (pdbgpriv)
pdbgpriv->dbg_suspend_error_cnt++;
return -ENOSYS;
} else {
RTW_INFO("cmd: suspend with MMC_PM_KEEP_POWER\n");
sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
}
}
#endif
#endif
return ret;
}
int rtw_resume_process(_adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
if (pwrpriv->bInSuspend == _FALSE) {
pdbgpriv->dbg_resume_error_cnt++;
RTW_INFO("%s bInSuspend = %d\n", __FUNCTION__, pwrpriv->bInSuspend);
return -1;
}
return rtw_resume_common(padapter);
}
static int rtw_sdio_resume(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
_adapter *padapter = psdpriv->padapters[IFACE_ID0];
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
int ret = 0;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
RTW_INFO("==> %s (%s:%d)\n", __FUNCTION__, current->comm, current->pid);
pdbgpriv->dbg_resume_cnt++;
if (pwrpriv->bInternalAutoSuspend)
ret = rtw_resume_process(padapter);
else {
#ifdef CONFIG_PLATFORM_INTEL_BYT
if (0)
#else
if (pwrpriv->wowlan_mode || pwrpriv->wowlan_ap_mode)
#endif
{
rtw_resume_lock_suspend();
ret = rtw_resume_process(padapter);
rtw_resume_unlock_suspend();
} else {
#ifdef CONFIG_RESUME_IN_WORKQUEUE
rtw_resume_in_workqueue(pwrpriv);
#else
if (rtw_is_earlysuspend_registered(pwrpriv)) {
/* jeff: bypass resume here, do in late_resume */
rtw_set_do_late_resume(pwrpriv, _TRUE);
} else {
rtw_resume_lock_suspend();
ret = rtw_resume_process(padapter);
rtw_resume_unlock_suspend();
}
#endif
}
}
pmlmeext->last_scan_time = rtw_get_current_time();
RTW_INFO("<======== %s return %d\n", __FUNCTION__, ret);
return ret;
}
static int __init rtw_drv_entry(void)
{
int ret = 0;
RTW_PRINT("module init start\n");
dump_drv_version(RTW_DBGDUMP);
#ifdef BTCOEXVERSION
RTW_PRINT(DRV_NAME" BT-Coex version = %s\n", BTCOEXVERSION);
#endif /* BTCOEXVERSION */
ret = platform_wifi_power_on();
if (ret) {
RTW_INFO("%s: power on failed!!(%d)\n", __FUNCTION__, ret);
ret = -1;
goto exit;
}
sdio_drvpriv.drv_registered = _TRUE;
rtw_suspend_lock_init();
rtw_drv_proc_init();
rtw_ndev_notifier_register();
ret = sdio_register_driver(&sdio_drvpriv.r871xs_drv);
if (ret != 0) {
sdio_drvpriv.drv_registered = _FALSE;
rtw_suspend_lock_uninit();
rtw_drv_proc_deinit();
rtw_ndev_notifier_unregister();
RTW_INFO("%s: register driver failed!!(%d)\n", __FUNCTION__, ret);
goto poweroff;
}
#ifndef CONFIG_PLATFORM_INTEL_BYT
rtw_android_wifictrl_func_add();
#endif /* !CONFIG_PLATFORM_INTEL_BYT */
goto exit;
poweroff:
platform_wifi_power_off();
exit:
RTW_PRINT("module init ret=%d\n", ret);
return ret;
}
static void __exit rtw_drv_halt(void)
{
RTW_PRINT("module exit start\n");
sdio_drvpriv.drv_registered = _FALSE;
sdio_unregister_driver(&sdio_drvpriv.r871xs_drv);
rtw_android_wifictrl_func_del();
platform_wifi_power_off();
rtw_suspend_lock_uninit();
rtw_drv_proc_deinit();
rtw_ndev_notifier_unregister();
RTW_PRINT("module exit success\n");
rtw_mstat_dump(RTW_DBGDUMP);
}
#ifdef CONFIG_PLATFORM_INTEL_BYT
int rtw_sdio_set_power(int on)
{
if (wlan_en_gpio >= 0) {
if (on)
gpio_set_value(wlan_en_gpio, 1);
else
gpio_set_value(wlan_en_gpio, 0);
}
return 0;
}
#endif /* CONFIG_PLATFORM_INTEL_BYT */
module_init(rtw_drv_entry);
module_exit(rtw_drv_halt);
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