staging: r8188eu: Add files for new driver - part 17

This commit adds files hal/rtl8188eu_led.c, hal/rtl8188eu_recv.c,
and hal/rtl8188eu_xmit.c.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188eu_led.c

+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 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
+ *
+ *
+ ******************************************************************************/
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <rtl8188e_hal.h>
+#include <rtl8188e_led.h>
+
+/*  LED object. */
+
+/*  LED_819xUsb routines. */
+/*	Description: */
+/*		Turn on LED according to LedPin specified. */
+void SwLedOn(struct adapter *padapter, struct LED_871x *pLed)
+{
+	u8	LedCfg;
+
+	if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
+		return;
+	LedCfg = rtw_read8(padapter, REG_LEDCFG2);
+	switch (pLed->LedPin) {
+	case LED_PIN_LED0:
+		rtw_write8(padapter, REG_LEDCFG2, (LedCfg&0xf0)|BIT5|BIT6); /*  SW control led0 on. */
+		break;
+	case LED_PIN_LED1:
+		rtw_write8(padapter, REG_LEDCFG2, (LedCfg&0x0f)|BIT5); /*  SW control led1 on. */
+		break;
+	default:
+		break;
+	}
+	pLed->bLedOn = true;
+}
+
+/*	Description: */
+/*		Turn off LED according to LedPin specified. */
+void SwLedOff(struct adapter *padapter, struct LED_871x *pLed)
+{
+	u8	LedCfg;
+	struct hal_data_8188e	*pHalData = GET_HAL_DATA(padapter);
+
+	if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
+		goto exit;
+
+	LedCfg = rtw_read8(padapter, REG_LEDCFG2);/* 0x4E */
+
+	switch (pLed->LedPin) {
+	case LED_PIN_LED0:
+		if (pHalData->bLedOpenDrain) {
+			/*  Open-drain arrangement for controlling the LED) */
+			LedCfg &= 0x90; /*  Set to software control. */
+			rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));
+			LedCfg = rtw_read8(padapter, REG_MAC_PINMUX_CFG);
+			LedCfg &= 0xFE;
+			rtw_write8(padapter, REG_MAC_PINMUX_CFG, LedCfg);
+		} else {
+			rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3|BIT5|BIT6));
+		}
+		break;
+	case LED_PIN_LED1:
+		LedCfg &= 0x0f; /*  Set to software control. */
+		rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));
+		break;
+	default:
+		break;
+	}
+exit:
+	pLed->bLedOn = false;
+}
+
+/*  Interface to manipulate LED objects. */
+/*  Default LED behavior. */
+
+/*	Description: */
+/*		Initialize all LED_871x objects. */
+void rtl8188eu_InitSwLeds(struct adapter *padapter)
+{
+	struct led_priv *pledpriv = &(padapter->ledpriv);
+
+	pledpriv->LedControlHandler = LedControl871x;
+
+	InitLed871x(padapter, &(pledpriv->SwLed0), LED_PIN_LED0);
+
+	InitLed871x(padapter, &(pledpriv->SwLed1), LED_PIN_LED1);
+}
+
+/*	Description: */
+/*		DeInitialize all LED_819xUsb objects. */
+void rtl8188eu_DeInitSwLeds(struct adapter *padapter)
+{
+	struct led_priv	*ledpriv = &(padapter->ledpriv);
+
+	DeInitLed871x(&(ledpriv->SwLed0));
+	DeInitLed871x(&(ledpriv->SwLed1));
+}

drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c

+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 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 _RTL8188EU_RECV_C_
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <recv_osdep.h>
+#include <mlme_osdep.h>
+#include <ip.h>
+#include <if_ether.h>
+#include <ethernet.h>
+
+#include <usb_ops.h>
+#include <wifi.h>
+
+#include <rtl8188e_hal.h>
+
+void rtl8188eu_init_recvbuf(struct adapter *padapter, struct recv_buf *precvbuf)
+{
+	precvbuf->transfer_len = 0;
+
+	precvbuf->len = 0;
+
+	precvbuf->ref_cnt = 0;
+
+	if (precvbuf->pbuf) {
+		precvbuf->pdata = precvbuf->pbuf;
+		precvbuf->phead = precvbuf->pbuf;
+		precvbuf->ptail = precvbuf->pbuf;
+		precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
+	}
+}
+
+int	rtl8188eu_init_recv_priv(struct adapter *padapter)
+{
+	struct recv_priv	*precvpriv = &padapter->recvpriv;
+	int	i, res = _SUCCESS;
+	struct recv_buf *precvbuf;
+
+	tasklet_init(&precvpriv->recv_tasklet,
+		     (void(*)(unsigned long))rtl8188eu_recv_tasklet,
+		     (unsigned long)padapter);
+
+	/* init recv_buf */
+	_rtw_init_queue(&precvpriv->free_recv_buf_queue);
+
+	precvpriv->pallocated_recv_buf = rtw_zmalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4);
+	if (precvpriv->pallocated_recv_buf == NULL) {
+		res = _FAIL;
+		RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
+		goto exit;
+	}
+	_rtw_memset(precvpriv->pallocated_recv_buf, 0, NR_RECVBUFF * sizeof(struct recv_buf) + 4);
+
+	precvpriv->precv_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(precvpriv->pallocated_recv_buf), 4);
+
+
+	precvbuf = (struct recv_buf *)precvpriv->precv_buf;
+
+	for (i = 0; i < NR_RECVBUFF; i++) {
+		_rtw_init_listhead(&precvbuf->list);
+		_rtw_spinlock_init(&precvbuf->recvbuf_lock);
+		precvbuf->alloc_sz = MAX_RECVBUF_SZ;
+		res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
+		if (res == _FAIL)
+			break;
+		precvbuf->ref_cnt = 0;
+		precvbuf->adapter = padapter;
+		precvbuf++;
+	}
+	precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
+	skb_queue_head_init(&precvpriv->rx_skb_queue);
+	{
+		int i;
+		size_t tmpaddr = 0;
+		size_t alignment = 0;
+		struct sk_buff *pskb = NULL;
+
+		skb_queue_head_init(&precvpriv->free_recv_skb_queue);
+
+		for (i = 0; i < NR_PREALLOC_RECV_SKB; i++) {
+			pskb = __netdev_alloc_skb(padapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ, GFP_KERNEL);
+			if (pskb) {
+				pskb->dev = padapter->pnetdev;
+				tmpaddr = (size_t)pskb->data;
+				alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
+				skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignment));
+
+				skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
+			}
+			pskb = NULL;
+		}
+	}
+exit:
+	return res;
+}
+
+void rtl8188eu_free_recv_priv(struct adapter *padapter)
+{
+	int	i;
+	struct recv_buf	*precvbuf;
+	struct recv_priv	*precvpriv = &padapter->recvpriv;
+
+	precvbuf = (struct recv_buf *)precvpriv->precv_buf;
+
+	for (i = 0; i < NR_RECVBUFF; i++) {
+		rtw_os_recvbuf_resource_free(padapter, precvbuf);
+		precvbuf++;
+	}
+
+	kfree(precvpriv->pallocated_recv_buf);
+
+	if (skb_queue_len(&precvpriv->rx_skb_queue))
+		DBG_88E(KERN_WARNING "rx_skb_queue not empty\n");
+	skb_queue_purge(&precvpriv->rx_skb_queue);
+
+
+	if (skb_queue_len(&precvpriv->free_recv_skb_queue))
+		DBG_88E(KERN_WARNING "free_recv_skb_queue not empty, %d\n", skb_queue_len(&precvpriv->free_recv_skb_queue));
+
+	skb_queue_purge(&precvpriv->free_recv_skb_queue);
+}