diff options
Diffstat (limited to 'drivers/staging/rtl8712/usb_ops.c')
| -rw-r--r-- | drivers/staging/rtl8712/usb_ops.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/drivers/staging/rtl8712/usb_ops.c b/drivers/staging/rtl8712/usb_ops.c new file mode 100644 index 0000000000..af9966d039 --- /dev/null +++ b/drivers/staging/rtl8712/usb_ops.c @@ -0,0 +1,195 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * usb_ops.c + * + * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. + * Linux device driver for RTL8192SU + * + * Modifications for inclusion into the Linux staging tree are + * Copyright(c) 2010 Larry Finger. All rights reserved. + * + * Contact information: + * WLAN FAE <wlanfae@realtek.com> + * Larry Finger <Larry.Finger@lwfinger.net> + * + ******************************************************************************/ + +#define _HCI_OPS_C_ + +#include "osdep_service.h" +#include "drv_types.h" +#include "osdep_intf.h" +#include "usb_ops.h" +#include "recv_osdep.h" + +static u8 usb_read8(struct intf_hdl *intfhdl, u32 addr) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + int status; + __le32 data = 0; + struct intf_priv *intfpriv = intfhdl->pintfpriv; + + request = 0x05; + requesttype = 0x01; /* read_in */ + index = 0; + wvalue = (u16)(addr & 0x0000ffff); + len = 1; + status = r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, + &data, len, requesttype); + if (status < 0) + return 0; + return (u8)(le32_to_cpu(data) & 0x0ff); +} + +static u16 usb_read16(struct intf_hdl *intfhdl, u32 addr) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + int status; + __le32 data = 0; + struct intf_priv *intfpriv = intfhdl->pintfpriv; + + request = 0x05; + requesttype = 0x01; /* read_in */ + index = 0; + wvalue = (u16)(addr & 0x0000ffff); + len = 2; + status = r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, + &data, len, requesttype); + if (status < 0) + return 0; + return (u16)(le32_to_cpu(data) & 0xffff); +} + +static u32 usb_read32(struct intf_hdl *intfhdl, u32 addr) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + int status; + __le32 data = 0; + struct intf_priv *intfpriv = intfhdl->pintfpriv; + + request = 0x05; + requesttype = 0x01; /* read_in */ + index = 0; + wvalue = (u16)(addr & 0x0000ffff); + len = 4; + status = r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, + &data, len, requesttype); + if (status < 0) + return 0; + return le32_to_cpu(data); +} + +static void usb_write8(struct intf_hdl *intfhdl, u32 addr, u8 val) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + __le32 data; + struct intf_priv *intfpriv = intfhdl->pintfpriv; + + request = 0x05; + requesttype = 0x00; /* write_out */ + index = 0; + wvalue = (u16)(addr & 0x0000ffff); + len = 1; + data = cpu_to_le32((u32)val & 0x000000ff); + r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len, + requesttype); +} + +static void usb_write16(struct intf_hdl *intfhdl, u32 addr, u16 val) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + __le32 data; + struct intf_priv *intfpriv = intfhdl->pintfpriv; + + request = 0x05; + requesttype = 0x00; /* write_out */ + index = 0; + wvalue = (u16)(addr & 0x0000ffff); + len = 2; + data = cpu_to_le32((u32)val & 0x0000ffff); + r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len, + requesttype); +} + +static void usb_write32(struct intf_hdl *intfhdl, u32 addr, u32 val) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + __le32 data; + struct intf_priv *intfpriv = intfhdl->pintfpriv; + + request = 0x05; + requesttype = 0x00; /* write_out */ + index = 0; + wvalue = (u16)(addr & 0x0000ffff); + len = 4; + data = cpu_to_le32(val); + r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len, + requesttype); +} + +void r8712_usb_set_intf_option(u32 *option) +{ + *option = ((*option) | _INTF_ASYNC_); +} + +static void usb_intf_hdl_init(u8 *priv) +{ +} + +static void usb_intf_hdl_unload(u8 *priv) +{ +} + +static void usb_intf_hdl_open(u8 *priv) +{ +} + +static void usb_intf_hdl_close(u8 *priv) +{ +} + +void r8712_usb_set_intf_funs(struct intf_hdl *intfhdl) +{ + intfhdl->intf_hdl_init = usb_intf_hdl_init; + intfhdl->intf_hdl_unload = usb_intf_hdl_unload; + intfhdl->intf_hdl_open = usb_intf_hdl_open; + intfhdl->intf_hdl_close = usb_intf_hdl_close; +} + +void r8712_usb_set_intf_ops(struct _io_ops *ops) +{ + memset((u8 *)ops, 0, sizeof(struct _io_ops)); + ops->_read8 = usb_read8; + ops->_read16 = usb_read16; + ops->_read32 = usb_read32; + ops->_read_port = r8712_usb_read_port; + ops->_write8 = usb_write8; + ops->_write16 = usb_write16; + ops->_write32 = usb_write32; + ops->_write_mem = r8712_usb_write_mem; + ops->_write_port = r8712_usb_write_port; +} |