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-shared.h"
34 #include "iwl-trans.h"
35 
iwl_write8(struct iwl_trans * trans,u32 ofs,u8 val)36 static inline void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val)
37 {
38 	trace_iwlwifi_dev_iowrite8(trans->dev, ofs, val);
39 	iwl_trans_write8(trans, ofs, val);
40 }
41 
iwl_write32(struct iwl_trans * trans,u32 ofs,u32 val)42 static inline void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val)
43 {
44 	trace_iwlwifi_dev_iowrite32(trans->dev, ofs, val);
45 	iwl_trans_write32(trans, ofs, val);
46 }
47 
iwl_read32(struct iwl_trans * trans,u32 ofs)48 static inline u32 iwl_read32(struct iwl_trans *trans, u32 ofs)
49 {
50 	u32 val = iwl_trans_read32(trans, ofs);
51 	trace_iwlwifi_dev_ioread32(trans->dev, ofs, val);
52 	return val;
53 }
54 
55 void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask);
56 void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask);
57 
58 int iwl_poll_bit(struct iwl_trans *trans, u32 addr,
59 		 u32 bits, u32 mask, int timeout);
60 int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
61 			int timeout);
62 
63 int iwl_grab_nic_access_silent(struct iwl_trans *trans);
64 bool iwl_grab_nic_access(struct iwl_trans *trans);
65 void iwl_release_nic_access(struct iwl_trans *trans);
66 
67 u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
68 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
69 
70 
71 u32 iwl_read_prph(struct iwl_trans *trans, u32 reg);
72 void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val);
73 void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
74 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg,
75 			    u32 bits, u32 mask);
76 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
77 
78 void _iwl_read_targ_mem_words(struct iwl_trans *trans, u32 addr,
79 			      void *buf, int words);
80 
81 #define iwl_read_targ_mem_words(trans, addr, buf, bufsize)	\
82 	do {							\
83 		BUILD_BUG_ON((bufsize) % sizeof(u32));		\
84 		_iwl_read_targ_mem_words(trans, addr, buf,	\
85 					 (bufsize) / sizeof(u32));\
86 	} while (0)
87 
88 int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr,
89 			      void *buf, int words);
90 
91 u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr);
92 int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val);
93 #endif
94