staging: r8188eu: Add files for new driver - part 3

This commit adds core/rtw_io.c, core/rtw_ioctl_set.c, and core/rtw_iol.c
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_io.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
+ *
+ *
+ ******************************************************************************/
+/*
+
+The purpose of rtw_io.c
+
+a. provides the API
+
+b. provides the protocol engine
+
+c. provides the software interface between caller and the hardware interface
+
+
+Compiler Flag Option:
+
+USB:
+   a. USE_ASYNC_IRP: Both sync/async operations are provided.
+
+Only sync read/rtw_write_mem operations are provided.
+
+jackson@realtek.com.tw
+
+*/
+
+#define _RTW_IO_C_
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <rtw_io.h>
+#include <osdep_intf.h>
+#include <usb_ops.h>
+
+#define rtw_le16_to_cpu(val)		le16_to_cpu(val)
+#define rtw_le32_to_cpu(val)		le32_to_cpu(val)
+#define rtw_cpu_to_le16(val)		cpu_to_le16(val)
+#define rtw_cpu_to_le32(val)		cpu_to_le32(val)
+
+
+u8 _rtw_read8(struct adapter *adapter, u32 addr)
+{
+	u8 r_val;
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl *pintfhdl = &(pio_priv->intf);
+	u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
+
+	_func_enter_;
+	_read8 = pintfhdl->io_ops._read8;
+	r_val = _read8(pintfhdl, addr);
+	_func_exit_;
+	return r_val;
+}
+
+u16 _rtw_read16(struct adapter *adapter, u32 addr)
+{
+	u16 r_val;
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
+_func_enter_;
+	_read16 = pintfhdl->io_ops._read16;
+
+	r_val = _read16(pintfhdl, addr);
+_func_exit_;
+	return r_val;
+}
+
+u32 _rtw_read32(struct adapter *adapter, u32 addr)
+{
+	u32 r_val;
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	u32	(*_read32)(struct intf_hdl *pintfhdl, u32 addr);
+_func_enter_;
+	_read32 = pintfhdl->io_ops._read32;
+
+	r_val = _read32(pintfhdl, addr);
+_func_exit_;
+	return r_val;
+}
+
+int _rtw_write8(struct adapter *adapter, u32 addr, u8 val)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
+	int ret;
+	_func_enter_;
+	_write8 = pintfhdl->io_ops._write8;
+
+	ret = _write8(pintfhdl, addr, val);
+	_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+
+int _rtw_write16(struct adapter *adapter, u32 addr, u16 val)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
+	int ret;
+	_func_enter_;
+	_write16 = pintfhdl->io_ops._write16;
+
+	ret = _write16(pintfhdl, addr, val);
+	_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+int _rtw_write32(struct adapter *adapter, u32 addr, u32 val)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
+	int ret;
+	_func_enter_;
+	_write32 = pintfhdl->io_ops._write32;
+
+	ret = _write32(pintfhdl, addr, val);
+	_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+
+int _rtw_writeN(struct adapter *adapter, u32 addr , u32 length , u8 *pdata)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl *pintfhdl = (struct intf_hdl *)(&(pio_priv->intf));
+	int (*_writeN)(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata);
+	int ret;
+	_func_enter_;
+	_writeN = pintfhdl->io_ops._writeN;
+
+	ret = _writeN(pintfhdl, addr, length, pdata);
+	_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+int _rtw_write8_async(struct adapter *adapter, u32 addr, u8 val)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	int (*_write8_async)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
+	int ret;
+	_func_enter_;
+	_write8_async = pintfhdl->io_ops._write8_async;
+
+	ret = _write8_async(pintfhdl, addr, val);
+	_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+
+int _rtw_write16_async(struct adapter *adapter, u32 addr, u16 val)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	int (*_write16_async)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
+	int ret;
+
+_func_enter_;
+	_write16_async = pintfhdl->io_ops._write16_async;
+	ret = _write16_async(pintfhdl, addr, val);
+_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+
+int _rtw_write32_async(struct adapter *adapter, u32 addr, u32 val)
+{
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	int (*_write32_async)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
+	int ret;
+
+_func_enter_;
+	_write32_async = pintfhdl->io_ops._write32_async;
+	ret = _write32_async(pintfhdl, addr, val);
+_func_exit_;
+
+	return RTW_STATUS_CODE(ret);
+}
+
+void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
+{
+	void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+
+	_func_enter_;
+	if (adapter->bDriverStopped || adapter->bSurpriseRemoved) {
+	     RT_TRACE(_module_rtl871x_io_c_, _drv_info_,
+		      ("rtw_read_mem:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
+		      adapter->bDriverStopped, adapter->bSurpriseRemoved));
+	     return;
+	}
+	_read_mem = pintfhdl->io_ops._read_mem;
+	_read_mem(pintfhdl, addr, cnt, pmem);
+	_func_exit_;
+}
+
+void _rtw_write_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
+{
+	void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+
+	_func_enter_;
+
+	_write_mem = pintfhdl->io_ops._write_mem;
+
+	_write_mem(pintfhdl, addr, cnt, pmem);
+
+	_func_exit_;
+}
+
+void _rtw_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
+{
+	u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+
+	_func_enter_;
+
+	if (adapter->bDriverStopped || adapter->bSurpriseRemoved) {
+	     RT_TRACE(_module_rtl871x_io_c_, _drv_info_,
+		      ("rtw_read_port:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
+		      adapter->bDriverStopped, adapter->bSurpriseRemoved));
+	     return;
+	}
+
+	_read_port = pintfhdl->io_ops._read_port;
+
+	_read_port(pintfhdl, addr, cnt, pmem);
+
+	_func_exit_;
+}
+
+void _rtw_read_port_cancel(struct adapter *adapter)
+{
+	void (*_read_port_cancel)(struct intf_hdl *pintfhdl);
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct intf_hdl *pintfhdl = &(pio_priv->intf);
+
+	_read_port_cancel = pintfhdl->io_ops._read_port_cancel;
+
+	if (_read_port_cancel)
+		_read_port_cancel(pintfhdl);
+}
+
+u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
+{
+	u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct	intf_hdl		*pintfhdl = &(pio_priv->intf);
+	u32 ret = _SUCCESS;
+
+	_func_enter_;
+
+	_write_port = pintfhdl->io_ops._write_port;
+
+	ret = _write_port(pintfhdl, addr, cnt, pmem);
+
+	 _func_exit_;
+
+	return ret;
+}
+
+u32 _rtw_write_port_and_wait(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem, int timeout_ms)
+{
+	int ret = _SUCCESS;
+	struct xmit_buf *pxmitbuf = (struct xmit_buf *)pmem;
+	struct submit_ctx sctx;
+
+	rtw_sctx_init(&sctx, timeout_ms);
+	pxmitbuf->sctx = &sctx;
+
+	ret = _rtw_write_port(adapter, addr, cnt, pmem);
+
+	if (ret == _SUCCESS)
+		ret = rtw_sctx_wait(&sctx);
+
+	 return ret;
+}
+
+void _rtw_write_port_cancel(struct adapter *adapter)
+{
+	void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
+	struct io_priv *pio_priv = &adapter->iopriv;
+	struct intf_hdl *pintfhdl = &(pio_priv->intf);
+
+	_write_port_cancel = pintfhdl->io_ops._write_port_cancel;
+
+	if (_write_port_cancel)
+		_write_port_cancel(pintfhdl);
+}
+
+int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct _io_ops *pops))
+{
+	struct io_priv	*piopriv = &padapter->iopriv;
+	struct intf_hdl *pintf = &piopriv->intf;
+
+	if (set_intf_ops == NULL)
+		return _FAIL;
+
+	piopriv->padapter = padapter;
+	pintf->padapter = padapter;
+	pintf->pintf_dev = adapter_to_dvobj(padapter);
+
+	set_intf_ops(&pintf->io_ops);
+
+	return _SUCCESS;
+}

drivers/staging/rtl8188eu/core/rtw_iol.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<rtw_iol.h>
+
+struct xmit_frame	*rtw_IOL_accquire_xmit_frame(struct adapter  *adapter)
+{
+	struct xmit_frame	*xmit_frame;
+	struct xmit_buf	*xmitbuf;
+	struct pkt_attrib	*pattrib;
+	struct xmit_priv	*pxmitpriv = &(adapter->xmitpriv);
+
+	xmit_frame = rtw_alloc_xmitframe(pxmitpriv);
+	if (xmit_frame == NULL) {
+		DBG_88E("%s rtw_alloc_xmitframe return null\n", __func__);
+		goto exit;
+	}
+
+	xmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
+	if (xmitbuf == NULL) {
+		DBG_88E("%s rtw_alloc_xmitbuf return null\n", __func__);
+		rtw_free_xmitframe(pxmitpriv, xmit_frame);
+		xmit_frame = NULL;
+		goto exit;
+	}
+
+	xmit_frame->frame_tag = MGNT_FRAMETAG;
+	xmit_frame->pxmitbuf = xmitbuf;
+	xmit_frame->buf_addr = xmitbuf->pbuf;
+	xmitbuf->priv_data = xmit_frame;
+
+	pattrib = &xmit_frame->attrib;
+	update_mgntframe_attrib(adapter, pattrib);
+	pattrib->qsel = 0x10;/* Beacon */
+	pattrib->subtype = WIFI_BEACON;
+	pattrib->pktlen = 0;
+	pattrib->last_txcmdsz = 0;
+exit:
+	return xmit_frame;
+}
+
+int rtw_IOL_append_cmds(struct xmit_frame *xmit_frame, u8 *IOL_cmds, u32 cmd_len)
+{
+	struct pkt_attrib	*pattrib = &xmit_frame->attrib;
+	u16 buf_offset;
+	u32 ori_len;
+
+	buf_offset = TXDESC_OFFSET;
+	ori_len = buf_offset+pattrib->pktlen;
+
+	/* check if the io_buf can accommodate new cmds */
+	if (ori_len + cmd_len + 8 > MAX_XMITBUF_SZ) {
+		DBG_88E("%s %u is large than MAX_XMITBUF_SZ:%u, can't accommodate new cmds\n",
+			__func__ , ori_len + cmd_len + 8, MAX_XMITBUF_SZ);
+		return _FAIL;
+	}
+
+	memcpy(xmit_frame->buf_addr + buf_offset + pattrib->pktlen, IOL_cmds, cmd_len);
+	pattrib->pktlen += cmd_len;
+	pattrib->last_txcmdsz += cmd_len;
+
+	return _SUCCESS;
+}
+
+bool rtw_IOL_applied(struct adapter  *adapter)
+{
+	if (1 == adapter->registrypriv.fw_iol)
+		return true;
+
+	if ((2 == adapter->registrypriv.fw_iol) && (!adapter_to_dvobj(adapter)->ishighspeed))
+		return true;
+	return false;
+}
+
+int rtw_IOL_exec_cmds_sync(struct adapter  *adapter, struct xmit_frame *xmit_frame, u32 max_wating_ms, u32 bndy_cnt)
+{
+	return rtw_hal_iol_cmd(adapter, xmit_frame, max_wating_ms, bndy_cnt);
+}
+
+int rtw_IOL_append_LLT_cmd(struct xmit_frame *xmit_frame, u8 page_boundary)
+{
+	return _SUCCESS;
+}
+
+int _rtw_IOL_append_WB_cmd(struct xmit_frame *xmit_frame, u16 addr, u8 value, u8 mask)
+{
+	struct ioreg_cfg cmd = {8, IOREG_CMD_WB_REG, 0x0, 0x0, 0x0};
+
+	cmd.address = cpu_to_le16(addr);
+	cmd.data = cpu_to_le32(value);
+
+	if (mask != 0xFF) {
+		cmd.length = 12;
+		cmd.mask = cpu_to_le32(mask);
+	}
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
+}
+
+int _rtw_IOL_append_WW_cmd(struct xmit_frame *xmit_frame, u16 addr, u16 value, u16 mask)
+{
+	struct ioreg_cfg cmd = {8, IOREG_CMD_WW_REG, 0x0, 0x0, 0x0};
+
+	cmd.address = cpu_to_le16(addr);
+	cmd.data = cpu_to_le32(value);
+
+	if (mask != 0xFFFF) {
+		cmd.length = 12;
+		cmd.mask =  cpu_to_le32(mask);
+	}
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
+}
+
+int _rtw_IOL_append_WD_cmd(struct xmit_frame *xmit_frame, u16 addr, u32 value, u32 mask)
+{
+	struct ioreg_cfg cmd = {8, IOREG_CMD_WD_REG, 0x0, 0x0, 0x0};
+
+	cmd.address = cpu_to_le16(addr);
+	cmd.data = cpu_to_le32(value);
+
+	if (mask != 0xFFFFFFFF) {
+		cmd.length = 12;
+		cmd.mask =  cpu_to_le32(mask);
+	}
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
+}
+
+int _rtw_IOL_append_WRF_cmd(struct xmit_frame *xmit_frame, u8 rf_path, u16 addr, u32 value, u32 mask)
+{
+	struct ioreg_cfg cmd = {8, IOREG_CMD_W_RF, 0x0, 0x0, 0x0};
+
+	cmd.address = cpu_to_le16((rf_path<<8) | ((addr) & 0xFF));
+	cmd.data = cpu_to_le32(value);
+
+	if (mask != 0x000FFFFF) {
+		cmd.length = 12;
+		cmd.mask =  cpu_to_le32(mask);
+	}
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
+}
+
+int rtw_IOL_append_DELAY_US_cmd(struct xmit_frame *xmit_frame, u16 us)
+{
+	struct ioreg_cfg cmd = {4, IOREG_CMD_DELAY_US, 0x0, 0x0, 0x0};
+	cmd.address = cpu_to_le16(us);
+
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, 4);
+}
+
+int rtw_IOL_append_DELAY_MS_cmd(struct xmit_frame *xmit_frame, u16 ms)
+{
+	struct ioreg_cfg cmd = {4, IOREG_CMD_DELAY_US, 0x0, 0x0, 0x0};
+
+	cmd.address = cpu_to_le16(ms);
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, 4);
+}
+
+int rtw_IOL_append_END_cmd(struct xmit_frame *xmit_frame)
+{
+	struct ioreg_cfg cmd = {4, IOREG_CMD_END, cpu_to_le16(0xFFFF), cpu_to_le32(0xFF), 0x0};
+
+	return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, 4);
+}
+
+u8 rtw_IOL_cmd_boundary_handle(struct xmit_frame *pxmit_frame)
+{
+	u8 is_cmd_bndy = false;
+	if (((pxmit_frame->attrib.pktlen+32)%256) + 8 >= 256) {
+		rtw_IOL_append_END_cmd(pxmit_frame);
+		pxmit_frame->attrib.pktlen = ((((pxmit_frame->attrib.pktlen+32)/256)+1)*256);
+
+		pxmit_frame->attrib.last_txcmdsz = pxmit_frame->attrib.pktlen;
+		is_cmd_bndy = true;
+	}
+	return is_cmd_bndy;
+}
+
+void rtw_IOL_cmd_buf_dump(struct adapter  *Adapter, int buf_len, u8 *pbuf)
+{
+	int i;
+	int j = 1;
+
+	pr_info("###### %s ######\n", __func__);
+	for (i = 0; i < buf_len; i++) {
+		printk("%02x-", *(pbuf+i));
+
+		if (j%32 == 0)
+			printk("\n");
+		j++;
+	}
+	printk("\n");
+	pr_info("=============ioreg_cmd len=%d===============\n", buf_len);
+}