drivers/net/wireless/intel/iwlwifi/iwl-io.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
   4  *
   5  * Portions of this file are derived from the ipw3945 project.
   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  * The full GNU General Public License is included in this distribution in the
  21  * file called LICENSE.
  22  *
  23  * Contact Information:
  24  *  Intel Linux Wireless <linuxwifi@intel.com>
  25  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26  *
  27  *****************************************************************************/
  28
  29 #ifndef __iwl_io_h__
  30 #define __iwl_io_h__
  31
  32 #include "iwl-devtrace.h"
  33 #include "iwl-trans.h"
  34
  35 void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val);
  36 void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val);
  37 u32 iwl_read32(struct iwl_trans *trans, u32 ofs);
  38
  39 static inline void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask)
  40 {
  41         iwl_trans_set_bits_mask(trans, reg, mask, mask);
  42 }
  43
  44 static inline void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask)
  45 {
  46         iwl_trans_set_bits_mask(trans, reg, mask, 0);
  47 }
  48
  49 int iwl_poll_bit(struct iwl_trans *trans, u32 addr,
  50                  u32 bits, u32 mask, int timeout);
  51 int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
  52                         int timeout);
  53
  54 u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
  55 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
  56
  57
  58 u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs);
  59 u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
  60 void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val);
  61 void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val);
  62 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
  63                       u32 bits, u32 mask, int timeout);
  64 void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
  65 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
  66                             u32 bits, u32 mask);
  67 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
  68 void iwl_force_nmi(struct iwl_trans *trans);
  69
  70 /* Error handling */
  71 int iwl_dump_fh(struct iwl_trans *trans, char **buf);
  72
  73 #endif