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path: root/drivers/staging/rtl8188eu/os_dep/usb_intf.c
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Diffstat (limited to 'drivers/staging/rtl8188eu/os_dep/usb_intf.c')
-rw-r--r--drivers/staging/rtl8188eu/os_dep/usb_intf.c259
1 files changed, 70 insertions, 189 deletions
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 2e49cd583212..7526b989dcbf 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -62,10 +62,6 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
-static struct specific_device_id specific_device_id_tbl[] = {
- {} /* empty table for now */
-};
-
struct rtw_usb_drv {
struct usb_driver usbdrv;
int drv_registered;
@@ -84,46 +80,6 @@ static struct rtw_usb_drv rtl8188e_usb_drv = {
static struct rtw_usb_drv *usb_drv = &rtl8188e_usb_drv;
-static inline int RT_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
-{
- return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN;
-}
-
-static inline int RT_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
-{
- return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
-}
-
-static inline int RT_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
-{
- return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT;
-}
-
-static inline int RT_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
-{
- return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK;
-}
-
-static inline int RT_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
-{
- return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_in(epd);
-}
-
-static inline int RT_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
-{
- return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_out(epd);
-}
-
-static inline int usb_endpoint_is_int(const struct usb_endpoint_descriptor *epd)
-{
- return RT_usb_endpoint_xfer_int(epd) && RT_usb_endpoint_dir_in(epd);
-}
-
-static inline int RT_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
-{
- return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-}
-
static u8 rtw_init_intf_priv(struct dvobj_priv *dvobj)
{
u8 rst = _SUCCESS;
@@ -132,7 +88,7 @@ static u8 rtw_init_intf_priv(struct dvobj_priv *dvobj)
dvobj->usb_alloc_vendor_req_buf = rtw_zmalloc(MAX_USB_IO_CTL_SIZE);
if (dvobj->usb_alloc_vendor_req_buf == NULL) {
- DBG_88E("alloc usb_vendor_req_buf failed... /n");
+ DBG_88E("alloc usb_vendor_req_buf failed...\n");
rst = _FAIL;
goto exit;
}
@@ -187,60 +143,35 @@ static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
+ int ep_num;
phost_endp = phost_iface->endpoint + i;
+
if (phost_endp) {
pendp_desc = &phost_endp->desc;
+ ep_num = usb_endpoint_num(pendp_desc);
- DBG_88E("\nusb_endpoint_descriptor(%d):\n", i);
- DBG_88E("bLength=%x\n", pendp_desc->bLength);
- DBG_88E("bDescriptorType=%x\n",
- pendp_desc->bDescriptorType);
- DBG_88E("bEndpointAddress=%x\n",
- pendp_desc->bEndpointAddress);
- DBG_88E("wMaxPacketSize=%d\n",
- le16_to_cpu(pendp_desc->wMaxPacketSize));
- DBG_88E("bInterval=%x\n", pendp_desc->bInterval);
-
- if (RT_usb_endpoint_is_bulk_in(pendp_desc)) {
- DBG_88E("RT_usb_endpoint_is_bulk_in = %x\n",
- RT_usb_endpoint_num(pendp_desc));
- pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc);
+ if (usb_endpoint_is_bulk_in(pendp_desc)) {
+ pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
pdvobjpriv->RtNumInPipes++;
- } else if (usb_endpoint_is_int(pendp_desc)) {
- DBG_88E("usb_endpoint_is_int = %x, Interval = %x\n",
- RT_usb_endpoint_num(pendp_desc),
- pendp_desc->bInterval);
- pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc);
+ } else if (usb_endpoint_is_int_in(pendp_desc)) {
+ pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
pdvobjpriv->RtNumInPipes++;
- } else if (RT_usb_endpoint_is_bulk_out(pendp_desc)) {
- DBG_88E("RT_usb_endpoint_is_bulk_out = %x\n",
- RT_usb_endpoint_num(pendp_desc));
- pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = RT_usb_endpoint_num(pendp_desc);
+ } else if (usb_endpoint_is_bulk_out(pendp_desc)) {
+ pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = ep_num;
pdvobjpriv->RtNumOutPipes++;
}
- pdvobjpriv->ep_num[i] = RT_usb_endpoint_num(pendp_desc);
+ pdvobjpriv->ep_num[i] = ep_num;
}
}
- DBG_88E("nr_endpoint=%d, in_num=%d, out_num=%d\n\n",
- pdvobjpriv->nr_endpoint, pdvobjpriv->RtNumInPipes,
- pdvobjpriv->RtNumOutPipes);
-
- if (pusbd->speed == USB_SPEED_HIGH) {
+ if (pusbd->speed == USB_SPEED_HIGH)
pdvobjpriv->ishighspeed = true;
- DBG_88E("USB_SPEED_HIGH\n");
- } else {
+ else
pdvobjpriv->ishighspeed = false;
- DBG_88E("NON USB_SPEED_HIGH\n");
- }
- if (rtw_init_intf_priv(pdvobjpriv) == _FAIL) {
- RT_TRACE(_module_os_intfs_c_, _drv_err_,
- ("\n Can't INIT rtw_init_intf_priv\n"));
+ if (rtw_init_intf_priv(pdvobjpriv) == _FAIL)
goto free_dvobj;
- }
- /* 3 misc */
sema_init(&(pdvobjpriv->usb_suspend_sema), 0);
rtw_reset_continual_urb_error(pdvobjpriv);
@@ -288,13 +219,6 @@ static void usb_dvobj_deinit(struct usb_interface *usb_intf)
}
-static void chip_by_usb_id(struct adapter *padapter,
- const struct usb_device_id *pdid)
-{
- padapter->chip_type = NULL_CHIP_TYPE;
- hal_set_hw_type(padapter);
-}
-
static void usb_intf_start(struct adapter *padapter)
{
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
@@ -360,28 +284,6 @@ static void rtw_dev_unload(struct adapter *padapter)
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
}
-static void process_spec_devid(const struct usb_device_id *pdid)
-{
- u16 vid, pid;
- u32 flags;
- int i;
- int num = sizeof(specific_device_id_tbl) /
- sizeof(struct specific_device_id);
-
- for (i = 0; i < num; i++) {
- vid = specific_device_id_tbl[i].idVendor;
- pid = specific_device_id_tbl[i].idProduct;
- flags = specific_device_id_tbl[i].flags;
-
- if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
- (flags&SPEC_DEV_ID_DISABLE_HT)) {
- rtw_ht_enable = 0;
- rtw_cbw40_enable = 0;
- rtw_ampdu_enable = 0;
- }
- }
-}
-
int rtw_hw_suspend(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
@@ -396,49 +298,47 @@ int rtw_hw_suspend(struct adapter *padapter)
goto error_exit;
}
- if (padapter) { /* system suspend */
- LeaveAllPowerSaveMode(padapter);
+ /* system suspend */
+ LeaveAllPowerSaveMode(padapter);
- DBG_88E("==> rtw_hw_suspend\n");
- _enter_pwrlock(&pwrpriv->lock);
- pwrpriv->bips_processing = true;
- /* s1. */
- if (pnetdev) {
- netif_carrier_off(pnetdev);
- rtw_netif_stop_queue(pnetdev);
- }
+ DBG_88E("==> rtw_hw_suspend\n");
+ _enter_pwrlock(&pwrpriv->lock);
+ pwrpriv->bips_processing = true;
+ /* s1. */
+ if (pnetdev) {
+ netif_carrier_off(pnetdev);
+ netif_tx_stop_all_queues(pnetdev);
+ }
- /* s2. */
- rtw_disassoc_cmd(padapter, 500, false);
+ /* s2. */
+ rtw_disassoc_cmd(padapter, 500, false);
- /* s2-2. indicate disconnect to os */
- {
- struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ /* s2-2. indicate disconnect to os */
+ {
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
- if (check_fwstate(pmlmepriv, _FW_LINKED)) {
- _clr_fwstate_(pmlmepriv, _FW_LINKED);
+ if (check_fwstate(pmlmepriv, _FW_LINKED)) {
+ _clr_fwstate_(pmlmepriv, _FW_LINKED);
- rtw_led_control(padapter, LED_CTL_NO_LINK);
+ rtw_led_control(padapter, LED_CTL_NO_LINK);
- rtw_os_indicate_disconnect(padapter);
+ rtw_os_indicate_disconnect(padapter);
- /* donnot enqueue cmd */
- rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0);
- }
+ /* donnot enqueue cmd */
+ rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0);
}
- /* s2-3. */
- rtw_free_assoc_resources(padapter, 1);
+ }
+ /* s2-3. */
+ rtw_free_assoc_resources(padapter, 1);
- /* s2-4. */
- rtw_free_network_queue(padapter, true);
- rtw_ips_dev_unload(padapter);
- pwrpriv->rf_pwrstate = rf_off;
- pwrpriv->bips_processing = false;
+ /* s2-4. */
+ rtw_free_network_queue(padapter, true);
+ rtw_ips_dev_unload(padapter);
+ pwrpriv->rf_pwrstate = rf_off;
+ pwrpriv->bips_processing = false;
+
+ _exit_pwrlock(&pwrpriv->lock);
- _exit_pwrlock(&pwrpriv->lock);
- } else {
- goto error_exit;
- }
return 0;
error_exit:
@@ -452,35 +352,32 @@ int rtw_hw_resume(struct adapter *padapter)
struct net_device *pnetdev = padapter->pnetdev;
- if (padapter) { /* system resume */
- DBG_88E("==> rtw_hw_resume\n");
- _enter_pwrlock(&pwrpriv->lock);
- pwrpriv->bips_processing = true;
- rtw_reset_drv_sw(padapter);
+ /* system resume */
+ DBG_88E("==> rtw_hw_resume\n");
+ _enter_pwrlock(&pwrpriv->lock);
+ pwrpriv->bips_processing = true;
+ rtw_reset_drv_sw(padapter);
- if (pm_netdev_open(pnetdev, false) != 0) {
- _exit_pwrlock(&pwrpriv->lock);
- goto error_exit;
- }
+ if (pm_netdev_open(pnetdev, false) != 0) {
+ _exit_pwrlock(&pwrpriv->lock);
+ goto error_exit;
+ }
- netif_device_attach(pnetdev);
- netif_carrier_on(pnetdev);
+ netif_device_attach(pnetdev);
+ netif_carrier_on(pnetdev);
- if (!netif_queue_stopped(pnetdev))
- netif_start_queue(pnetdev);
- else
- netif_wake_queue(pnetdev);
+ if (!netif_queue_stopped(pnetdev))
+ netif_start_queue(pnetdev);
+ else
+ netif_wake_queue(pnetdev);
- pwrpriv->bkeepfwalive = false;
- pwrpriv->brfoffbyhw = false;
+ pwrpriv->bkeepfwalive = false;
+ pwrpriv->brfoffbyhw = false;
- pwrpriv->rf_pwrstate = rf_on;
- pwrpriv->bips_processing = false;
+ pwrpriv->rf_pwrstate = rf_on;
+ pwrpriv->bips_processing = false;
- _exit_pwrlock(&pwrpriv->lock);
- } else {
- goto error_exit;
- }
+ _exit_pwrlock(&pwrpriv->lock);
return 0;
@@ -519,7 +416,7 @@ static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
/* s1. */
if (pnetdev) {
netif_carrier_off(pnetdev);
- rtw_netif_stop_queue(pnetdev);
+ netif_tx_stop_all_queues(pnetdev);
}
/* s2. */
@@ -591,8 +488,7 @@ int rtw_resume_process(struct adapter *padapter)
_enter_pwrlock(&pwrpriv->lock);
rtw_reset_drv_sw(padapter);
- if (pwrpriv)
- pwrpriv->bkeepfwalive = false;
+ pwrpriv->bkeepfwalive = false;
DBG_88E("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
if (pm_netdev_open(pnetdev, true) != 0)
@@ -643,18 +539,12 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
dvobj->if1 = padapter;
padapter->bDriverStopped = true;
-
padapter->hw_init_mutex = &usb_drv->hw_init_mutex;
-
- /* step 1-1., decide the chip_type via vid/pid */
- chip_by_usb_id(padapter, pdid);
-
- if (rtw_handle_dualmac(padapter, 1) != _SUCCESS)
- goto free_adapter;
+ padapter->chip_type = RTL8188E;
pnetdev = rtw_init_netdev(padapter);
if (pnetdev == NULL)
- goto handle_dualmac;
+ goto free_adapter;
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
padapter = rtw_netdev_priv(pnetdev);
@@ -728,9 +618,6 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
free_hal_data:
if (status != _SUCCESS)
kfree(padapter->HalData);
-handle_dualmac:
- if (status != _SUCCESS)
- rtw_handle_dualmac(padapter, 0);
free_adapter:
if (status != _SUCCESS) {
if (pnetdev)
@@ -767,7 +654,6 @@ static void rtw_usb_if1_deinit(struct adapter *if1)
rtw_dev_unload(if1);
DBG_88E("+r871xu_dev_remove, hw_init_completed=%d\n",
if1->hw_init_completed);
- rtw_handle_dualmac(if1, 0);
rtw_free_drv_sw(if1);
if (pnetdev)
rtw_free_netdev(pnetdev);
@@ -776,14 +662,11 @@ static void rtw_usb_if1_deinit(struct adapter *if1)
static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
{
struct adapter *if1 = NULL;
- int status;
+ int status = _FAIL;
struct dvobj_priv *dvobj;
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
- /* step 0. */
- process_spec_devid(pdid);
-
/* Initialize dvobj_priv */
dvobj = usb_dvobj_init(pusb_intf);
if (dvobj == NULL) {
@@ -807,8 +690,6 @@ static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device
status = _SUCCESS;
- if (status != _SUCCESS && if1)
- rtw_usb_if1_deinit(if1);
free_dvobj:
if (status != _SUCCESS)
usb_dvobj_deinit(pusb_intf);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.