kernel/drivers/staging/rtl8712/usb_ops.c

   1 /******************************************************************************
   2  * usb_ops.c
   3  *
   4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5  * Linux device driver for RTL8192SU
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  19  *
  20  * Modifications for inclusion into the Linux staging tree are
  21  * Copyright(c) 2010 Larry Finger. All rights reserved.
  22  *
  23  * Contact information:
  24  * WLAN FAE <wlanfae@realtek.com>
  25  * Larry Finger <Larry.Finger@lwfinger.net>
  26  *
  27  ******************************************************************************/
  28
  29 #define _HCI_OPS_C_
  30
  31 #include "osdep_service.h"
  32 #include "drv_types.h"
  33 #include "osdep_intf.h"
  34 #include "usb_ops.h"
  35 #include "recv_osdep.h"
  36
  37 static u8 usb_read8(struct intf_hdl *pintfhdl, u32 addr)
  38 {
  39         u8 request;
  40         u8 requesttype;
  41         u16 wvalue;
  42         u16 index;
  43         u16 len;
  44         u32 data;
  45         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
  46
  47         request = 0x05;
  48         requesttype = 0x01; /* read_in */
  49         index = 0;
  50         wvalue = (u16)(addr&0x0000ffff);
  51         len = 1;
  52         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
  53                           requesttype);
  54         return (u8)(le32_to_cpu(data)&0x0ff);
  55 }
  56
  57 static u16 usb_read16(struct intf_hdl *pintfhdl, u32 addr)
  58 {
  59         u8 request;
  60         u8 requesttype;
  61         u16 wvalue;
  62         u16 index;
  63         u16 len;
  64         u32 data;
  65         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
  66
  67         request = 0x05;
  68         requesttype = 0x01; /* read_in */
  69         index = 0;
  70         wvalue = (u16)(addr&0x0000ffff);
  71         len = 2;
  72         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
  73                           requesttype);
  74         return (u16)(le32_to_cpu(data)&0xffff);
  75 }
  76
  77 static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
  78 {
  79         u8 request;
  80         u8 requesttype;
  81         u16 wvalue;
  82         u16 index;
  83         u16 len;
  84         u32 data;
  85         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
  86
  87         request = 0x05;
  88         requesttype = 0x01; /* read_in */
  89         index = 0;
  90         wvalue = (u16)(addr&0x0000ffff);
  91         len = 4;
  92         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
  93                           requesttype);
  94         return le32_to_cpu(data);
  95 }
  96
  97 static void usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
  98 {
  99         u8 request;
 100         u8 requesttype;
 101         u16 wvalue;
 102         u16 index;
 103         u16 len;
 104         u32 data;
 105         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
 106
 107         request = 0x05;
 108         requesttype = 0x00; /* write_out */
 109         index = 0;
 110         wvalue = (u16)(addr&0x0000ffff);
 111         len = 1;
 112         data = val;
 113         data = cpu_to_le32(data&0x000000ff);
 114         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
 115                           requesttype);
 116 }
 117
 118 static void usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
 119 {
 120         u8 request;
 121         u8 requesttype;
 122         u16 wvalue;
 123         u16 index;
 124         u16 len;
 125         u32 data;
 126         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
 127
 128         request = 0x05;
 129         requesttype = 0x00; /* write_out */
 130         index = 0;
 131         wvalue = (u16)(addr&0x0000ffff);
 132         len = 2;
 133         data = val;
 134         data = cpu_to_le32(data&0x0000ffff);
 135         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
 136                           requesttype);
 137 }
 138
 139 static void usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
 140 {
 141         u8 request;
 142         u8 requesttype;
 143         u16 wvalue;
 144         u16 index;
 145         u16 len;
 146         u32 data;
 147         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
 148
 149         request = 0x05;
 150         requesttype = 0x00; /* write_out */
 151         index = 0;
 152         wvalue = (u16)(addr&0x0000ffff);
 153         len = 4;
 154         data = cpu_to_le32(val);
 155         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
 156                           requesttype);
 157 }
 158
 159 void r8712_usb_set_intf_option(u32 *poption)
 160 {
 161         *poption = ((*poption) | _INTF_ASYNC_);
 162 }
 163
 164 static void usb_intf_hdl_init(u8 *priv)
 165 {
 166 }
 167
 168 static void usb_intf_hdl_unload(u8 *priv)
 169 {
 170 }
 171
 172 static void usb_intf_hdl_open(u8 *priv)
 173 {
 174 }
 175
 176 static void usb_intf_hdl_close(u8 *priv)
 177 {
 178 }
 179
 180 void r8712_usb_set_intf_funs(struct intf_hdl *pintf_hdl)
 181 {
 182         pintf_hdl->intf_hdl_init = &usb_intf_hdl_init;
 183         pintf_hdl->intf_hdl_unload = &usb_intf_hdl_unload;
 184         pintf_hdl->intf_hdl_open = &usb_intf_hdl_open;
 185         pintf_hdl->intf_hdl_close = &usb_intf_hdl_close;
 186 }
 187
 188 void r8712_usb_set_intf_ops(struct _io_ops      *pops)
 189 {
 190         memset((u8 *)pops, 0, sizeof(struct _io_ops));
 191         pops->_read8 = &usb_read8;
 192         pops->_read16 = &usb_read16;
 193         pops->_read32 = &usb_read32;
 194         pops->_read_port = &r8712_usb_read_port;
 195         pops->_write8 = &usb_write8;
 196         pops->_write16 = &usb_write16;
 197         pops->_write32 = &usb_write32;
 198         pops->_write_mem = &r8712_usb_write_mem;
 199         pops->_write_port = &r8712_usb_write_port;
 200 }