void dhd_wifi_platform_register_drv(struct work_struct *work)
{
int err = 0;
struct device *dev;
/* register Broadcom wifi platform data driver if multi-chip is enabled,
* otherwise use Android style wifi platform data (aka wifi control function)
* if it exists
*
* to support multi-chip DHD, Broadcom wifi platform data device must
* be added in kernel early boot (e.g. board config file).
*/
if (cfg_multichip) {
dev = bus_find_device(&platform_bus_type, NULL, WIFI_PLAT_EXT, wifi_platdev_match);
if (dev == NULL) {
DHD_ERROR(("bcmdhd wifi platform data device not found!!\n"));
}
err = platform_driver_register(&dhd_wifi_platform_dev_driver);
} else {
err = wifi_ctrlfunc_register_drv();
/* no wifi ctrl func either, load bus directly and ignore this error */
if (err) {
if (err == -ENXIO) {
/* wifi ctrl function does not exist */
err = dhd_wifi_platform_load();
} else {
/* unregister driver due to initialization failure */
wifi_ctrlfunc_unregister_drv();
}
}
}
}
static int wifi_plat_dev_drv_probe(struct platform_device *pdev)
{
struct resource *resource;
wifi_adapter_info_t *adapter;
/* Android style wifi platform data device ("bcmdhd_wlan" or "bcm4329_wlan")
* is kept for backward compatibility and supports only 1 adapter
*/
ASSERT(dhd_wifi_platdata != NULL);
ASSERT(dhd_wifi_platdata->num_adapters == 1);
adapter = &dhd_wifi_platdata->adapters[0];
adapter->wifi_plat_data = (struct wifi_platform_data *)(pdev->dev.platform_data);
if (!adapter->wifi_plat_data) {
DHD_ERROR(("%s: unable to get platform data !\n", __FUNCTION__));
return -ENODATA;
}
((struct wifi_platform_data *)(adapter->wifi_plat_data))->set_power = bcmsdh_sdmmc_set_power;
((struct wifi_platform_data *)(adapter->wifi_plat_data))->get_mac_addr = dhd_custom_get_mac_address;
resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (resource == NULL) {
DHD_ERROR(("%s: unable to get IORESOURCE_IRQ !\n", __FUNCTION__));
return -ENODATA;
}
adapter->irq_num = resource->start;
adapter->intr_flags = resource->flags & IRQF_TRIGGER_MASK;
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
return wifi_plat_dev_probe_ret;
}
static int wifi_plat_dev_drv_probe(struct platform_device *pdev)
{
struct resource *resource;
wifi_adapter_info_t *adapter;
/* Android style wifi platform data device ("bcmdhd_wlan" or "bcm4329_wlan")
* is kept for backward compatibility and supports only 1 adapter
*/
ASSERT(dhd_wifi_platdata != NULL);
ASSERT(dhd_wifi_platdata->num_adapters == 1);
adapter = &dhd_wifi_platdata->adapters[0];
adapter->wifi_plat_data = (struct wifi_platform_data *)(pdev->dev.platform_data);
resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcmdhd_wlan_irq");
if (resource == NULL)
resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcm4329_wlan_irq");
if (resource) {
adapter->irq_num = resource->start;
adapter->intr_flags = resource->flags & IRQF_TRIGGER_MASK;
}
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
return wifi_plat_dev_probe_ret;
}
static int wifi_ctrlfunc_register_drv(void)
{
int err = 0;
struct device *dev1, *dev2;
wifi_adapter_info_t *adapter;
dev1 = bus_find_device(&platform_bus_type, NULL, WIFI_PLAT_NAME, wifi_platdev_match);
dev2 = bus_find_device(&platform_bus_type, NULL, WIFI_PLAT_NAME2, wifi_platdev_match);
if (!dts_enabled) {
if (dev1 == NULL && dev2 == NULL) {
DHD_ERROR(("no wifi platform data, skip\n"));
return -ENXIO;
}
}
/* multi-chip support not enabled, build one adapter information for
* DHD (either SDIO, USB or PCIe)
*/
adapter = kzalloc(sizeof(wifi_adapter_info_t), GFP_KERNEL);
adapter->name = "DHD generic adapter";
adapter->bus_type = -1;
adapter->bus_num = -1;
adapter->slot_num = -1;
adapter->irq_num = -1;
is_power_on = FALSE;
wifi_plat_dev_probe_ret = 0;
dhd_wifi_platdata = kzalloc(sizeof(bcmdhd_wifi_platdata_t), GFP_KERNEL);
dhd_wifi_platdata->num_adapters = 1;
dhd_wifi_platdata->adapters = adapter;
if (dev1) {
err = platform_driver_register(&wifi_platform_dev_driver);
if (err) {
DHD_ERROR(("%s: failed to register wifi ctrl func driver\n",
__FUNCTION__));
return err;
}
}
if (dev2) {
err = platform_driver_register(&wifi_platform_dev_driver_legacy);
if (err) {
DHD_ERROR(("%s: failed to register wifi ctrl func legacy driver\n",
__FUNCTION__));
return err;
}
}
if (dts_enabled) {
struct resource *resource;
adapter->wifi_plat_data = (void *)&dhd_wlan_control;
resource = &dhd_wlan_resources;
adapter->irq_num = resource->start;
adapter->intr_flags = resource->flags;
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
}
/* return probe function's return value if registeration succeeded */
return wifi_plat_dev_probe_ret;
}
static int wifi_plat_dev_drv_probe(struct platform_device *pdev)
{
struct resource *resource;
wifi_adapter_info_t *adapter;
#ifdef CONFIG_DTS
int irq, gpio;
#endif /* CONFIG_DTS */
/* Android style wifi platform data device ("bcmdhd_wlan" or "bcm4329_wlan")
* is kept for backward compatibility and supports only 1 adapter
*/
ASSERT(dhd_wifi_platdata != NULL);
ASSERT(dhd_wifi_platdata->num_adapters == 1);
adapter = &dhd_wifi_platdata->adapters[0];
adapter->wifi_plat_data = (struct wifi_platform_data *)(pdev->dev.platform_data);
resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcmdhd_wlan_irq");
if (resource == NULL)
resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcm4329_wlan_irq");
if (resource) {
adapter->irq_num = resource->start;
adapter->intr_flags = resource->flags & IRQF_TRIGGER_MASK;
}
#ifdef CONFIG_DTS
wifi_regulator = regulator_get(&pdev->dev, "wlreg_on");
if (wifi_regulator == NULL) {
DHD_ERROR(("%s regulator is null\n", __FUNCTION__));
return -1;
}
/* This is to get the irq for the OOB */
gpio = of_get_gpio(pdev->dev.of_node, 0);
if (gpio < 0) {
DHD_ERROR(("%s gpio information is incorrect\n", __FUNCTION__));
return -1;
}
irq = gpio_to_irq(gpio);
if (irq < 0) {
DHD_ERROR(("%s irq information is incorrect\n", __FUNCTION__));
return -1;
}
adapter->irq_num = irq;
/* need to change the flags according to our requirement */
adapter->intr_flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
IORESOURCE_IRQ_SHAREABLE;
#endif /* CONFIG_DTS */
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
return wifi_plat_dev_probe_ret;
}
static int wifi_plat_dev_drv_probe(struct platform_device *pdev)
{
struct resource *resource;
wifi_adapter_info_t *adapter;
#if defined(BCMPCIE) && defined(CONFIG_WIFI_CONTROL_FUNC)
int irq, gpio;
#endif
/* Android style wifi platform data device ("bcmdhd_wlan" or "bcm4329_wlan")
* is kept for backward compatibility and supports only 1 adapter
*/
ASSERT(dhd_wifi_platdata != NULL);
ASSERT(dhd_wifi_platdata->num_adapters == 1);
adapter = &dhd_wifi_platdata->adapters[0];
#if defined(BCMPCIE) && defined(CONFIG_WIFI_CONTROL_FUNC)
adapter->wifi_plat_data = (void *)&somc_wifi_control;
#else
adapter->wifi_plat_data = (struct wifi_platform_data *)(pdev->dev.platform_data);
#endif
resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcmdhd_wlan_irq");
if (resource == NULL)
resource = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcm4329_wlan_irq");
if (resource) {
adapter->irq_num = resource->start;
adapter->intr_flags = resource->flags & IRQF_TRIGGER_MASK;
}
#if defined(BCMPCIE) && defined(CONFIG_WIFI_CONTROL_FUNC)
somc_wifi_init(pdev);
gpio = of_get_gpio(pdev->dev.of_node, 1);
if (gpio < 0) {
DHD_ERROR(("%s gpio information is incorrect\n", __FUNCTION__));
return -1;
}
irq = gpio_to_irq(gpio);
if (irq < 0) {
DHD_ERROR(("%s irq information is incorrect\n", __FUNCTION__));
return -1;
}
adapter->irq_num = irq;
/* need to change the flags according to our requirement */
adapter->intr_flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
IORESOURCE_IRQ_SHAREABLE;
#endif
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
return wifi_plat_dev_probe_ret;
}
static int wifi_plat_dev_drv_probe_acpi(struct platform_device *pdev)
{
wifi_adapter_info_t *adapter;
acpi_handle handle;
struct acpi_device *adev;
int irq_num;
/* Android style wifi platform data device ("bcmdhd_wlan" or "bcm4329_wlan")
* is kept for backward compatibility and supports only 1 adapter
*/
ASSERT(dhd_wifi_platdata != NULL);
ASSERT(dhd_wifi_platdata->num_adapters == 1);
adapter = &dhd_wifi_platdata->adapters[0];
adapter->wifi_plat_data = (void *)&dhd_wlan_control;
if (ACPI_HANDLE(&pdev->dev)) {
handle = ACPI_HANDLE(&pdev->dev);
/* Dont try to do acpi pm for the wifi module */
if (!handle || acpi_bus_get_device(handle, &adev))
DHD_ERROR(("%s: could not get acpi pointer!\n", __FUNCTION__));
else
adev->flags.power_manageable = 0;
irq_num = acpi_get_gpio_by_index(&pdev->dev, 0, NULL);
DHD_INFO(("%s: Using ACPI table to get IRQ number: %d\n", __FUNCTION__, irq_num));
if (irq_num < 0) {
if (INTEL_MID_BOARD(2, TABLET, BYT, BLB, PRO) ||
INTEL_MID_BOARD(2, TABLET, BYT, BLB, ENG)) {
DHD_INFO(("%s: BYT-M hardcoding\n", __FUNCTION__));
irq_num = acpi_get_gpio("\\_SB.GPO2", 17);
}
else {
DHD_INFO(("%s: BYT-T hardcoding\n", __FUNCTION__));
irq_num = acpi_get_gpio("\\_SB.GPO2", 15);
}
}
} else {
DHD_ERROR(("%s: Null ACPI_HANDLE, try legacy probe\n", __FUNCTION__));
return wifi_plat_dev_drv_probe(pdev);
}
adapter->irq_num = irq_num;
adapter->intr_flags = IRQF_TRIGGER_FALLING;
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
return wifi_plat_dev_probe_ret;
}
static int bcmdhd_wifi_plat_dev_drv_probe(struct platform_device *pdev)
{
dhd_wifi_platdata = (bcmdhd_wifi_platdata_t *)(pdev->dev.platform_data);
return dhd_wifi_platform_load();
}
static int wifi_ctrlfunc_register_drv(void)
{
wifi_adapter_info_t *adapter;
#ifndef CUSTOMER_HW
int err = 0;
struct device *dev1, *dev2;
dev1 = bus_find_device(&platform_bus_type, NULL, WIFI_PLAT_NAME, wifi_platdev_match);
dev2 = bus_find_device(&platform_bus_type, NULL, WIFI_PLAT_NAME2, wifi_platdev_match);
#endif
#if !defined(CONFIG_DTS) && !defined(CUSTOMER_HW)
if (!dts_enabled) {
if (dev1 == NULL && dev2 == NULL) {
DHD_ERROR(("no wifi platform data, skip\n"));
return -ENXIO;
}
}
#endif /* !defined(CONFIG_DTS) */
/* multi-chip support not enabled, build one adapter information for
* DHD (either SDIO, USB or PCIe)
*/
adapter = kzalloc(sizeof(wifi_adapter_info_t), GFP_KERNEL);
adapter->name = "DHD generic adapter";
adapter->bus_type = -1;
adapter->bus_num = -1;
adapter->slot_num = -1;
adapter->irq_num = -1;
is_power_on = FALSE;
wifi_plat_dev_probe_ret = 0;
dhd_wifi_platdata = kzalloc(sizeof(bcmdhd_wifi_platdata_t), GFP_KERNEL);
dhd_wifi_platdata->num_adapters = 1;
dhd_wifi_platdata->adapters = adapter;
#ifndef CUSTOMER_HW
if (dev1) {
err = platform_driver_register(&wifi_platform_dev_driver);
if (err) {
DHD_ERROR(("%s: failed to register wifi ctrl func driver\n",
__FUNCTION__));
return err;
}
}
if (dev2) {
err = platform_driver_register(&wifi_platform_dev_driver_legacy);
if (err) {
DHD_ERROR(("%s: failed to register wifi ctrl func legacy driver\n",
__FUNCTION__));
return err;
}
}
#endif
#if !defined(CONFIG_DTS)
if (dts_enabled) {
#ifdef CUSTOMER_HW
adapter->wifi_plat_data = (void *)&dhd_wlan_control;
bcm_wlan_set_plat_data();
#ifdef CUSTOMER_OOB
adapter->irq_num = bcm_wlan_get_oob_irq();
adapter->intr_flags = bcm_wlan_get_oob_irq_flags();
#endif
#else
struct resource *resource;
resource = &dhd_wlan_resources;
adapter->irq_num = resource->start;
adapter->intr_flags = resource->flags & IRQF_TRIGGER_MASK;
#endif
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
}
#endif /* !defined(CONFIG_DTS) */
#if defined(CONFIG_DTS) && !defined(CUSTOMER_HW)
wifi_plat_dev_probe_ret = platform_driver_register(&wifi_platform_dev_driver);
#endif /* CONFIG_DTS */
/* return probe function's return value if registeration succeeded */
return wifi_plat_dev_probe_ret;
}