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         __le32 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         __le32 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         __le32 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         __le32 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 = cpu_to_le32((u32)val & 0x000000ff);
 113         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
 114                           requesttype);
 115 }
 116
 117 static void usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
 118 {
 119         u8 request;
 120         u8 requesttype;
 121         u16 wvalue;
 122         u16 index;
 123         u16 len;
 124         __le32 data;
 125         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
 126
 127         request = 0x05;
 128         requesttype = 0x00; /* write_out */
 129         index = 0;
 130         wvalue = (u16)(addr & 0x0000ffff);
 131         len = 2;
 132         data = cpu_to_le32((u32)val & 0x0000ffff);
 133         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
 134                           requesttype);
 135 }
 136
 137 static void usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
 138 {
 139         u8 request;
 140         u8 requesttype;
 141         u16 wvalue;
 142         u16 index;
 143         u16 len;
 144         __le32 data;
 145         struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
 146
 147         request = 0x05;
 148         requesttype = 0x00; /* write_out */
 149         index = 0;
 150         wvalue = (u16)(addr & 0x0000ffff);
 151         len = 4;
 152         data = cpu_to_le32(val);
 153         r8712_usbctrl_vendorreq(pintfpriv, request, wvalue, index, &data, len,
 154                           requesttype);
 155 }
 156
 157 void r8712_usb_set_intf_option(u32 *poption)
 158 {
 159         *poption = ((*poption) | _INTF_ASYNC_);
 160 }
 161
 162 static void usb_intf_hdl_init(u8 *priv)
 163 {
 164 }
 165
 166 static void usb_intf_hdl_unload(u8 *priv)
 167 {
 168 }
 169
 170 static void usb_intf_hdl_open(u8 *priv)
 171 {
 172 }
 173
 174 static void usb_intf_hdl_close(u8 *priv)
 175 {
 176 }
 177
 178 void r8712_usb_set_intf_funs(struct intf_hdl *pintf_hdl)
 179 {
 180         pintf_hdl->intf_hdl_init = usb_intf_hdl_init;
 181         pintf_hdl->intf_hdl_unload = usb_intf_hdl_unload;
 182         pintf_hdl->intf_hdl_open = usb_intf_hdl_open;
 183         pintf_hdl->intf_hdl_close = usb_intf_hdl_close;
 184 }
 185
 186 void r8712_usb_set_intf_ops(struct _io_ops      *pops)
 187 {
 188         memset((u8 *)pops, 0, sizeof(struct _io_ops));
 189         pops->_read8 = usb_read8;
 190         pops->_read16 = usb_read16;
 191         pops->_read32 = usb_read32;
 192         pops->_read_port = r8712_usb_read_port;
 193         pops->_write8 = usb_write8;
 194         pops->_write16 = usb_write16;
 195         pops->_write32 = usb_write32;
 196         pops->_write_mem = r8712_usb_write_mem;
 197         pops->_write_port = r8712_usb_write_port;
 198 }