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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2012 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 <ilw@linux.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 static inline void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val)
  36 {
  37         trace_iwlwifi_dev_iowrite8(trans->dev, ofs, val);
  38         iwl_trans_write8(trans, ofs, val);
  39 }
  40
  41 static inline void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val)
  42 {
  43         trace_iwlwifi_dev_iowrite32(trans->dev, ofs, val);
  44         iwl_trans_write32(trans, ofs, val);
  45 }
  46
  47 static inline u32 iwl_read32(struct iwl_trans *trans, u32 ofs)
  48 {
  49         u32 val = iwl_trans_read32(trans, ofs);
  50         trace_iwlwifi_dev_ioread32(trans->dev, ofs, val);
  51         return val;
  52 }
  53
  54 void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask);
  55 void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask);
  56
  57 void iwl_set_bits_mask(struct iwl_trans *trans, u32 reg, u32 mask, u32 value);
  58
  59 int iwl_poll_bit(struct iwl_trans *trans, u32 addr,
  60                  u32 bits, u32 mask, int timeout);
  61 int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
  62                         int timeout);
  63
  64 int iwl_grab_nic_access_silent(struct iwl_trans *trans);
  65 bool iwl_grab_nic_access(struct iwl_trans *trans);
  66 void iwl_release_nic_access(struct iwl_trans *trans);
  67
  68 u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
  69 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
  70
  71
  72 u32 iwl_read_prph(struct iwl_trans *trans, u32 reg);
  73 void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val);
  74 void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
  75 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg,
  76                             u32 bits, u32 mask);
  77 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
  78
  79 void _iwl_read_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
  80                                void *buf, int dwords);
  81
  82 #define iwl_read_targ_mem_bytes(trans, addr, buf, bufsize)      \
  83         do {                                                    \
  84                 BUILD_BUG_ON((bufsize) % sizeof(u32));          \
  85                 _iwl_read_targ_mem_dwords(trans, addr, buf,     \
  86                                           (bufsize) / sizeof(u32));\
  87         } while (0)
  88
  89 int _iwl_write_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
  90                                void *buf, int dwords);
  91
  92 u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr);
  93 int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val);
  94 #endif