Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
iwl-io.h
Go to the documentation of this file.
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 <[email protected]>
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
Generated on Thu Jan 10 2013 14:11:50 for Linux Kernel by   doxygen 1.8.2