iwl-io.h revision 4119904f3ebf30c25afb42195740f9ee5dc7749c 
1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2011 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 <linux/io.h>
33
34#include "iwl-dev.h"
35#include "iwl-debug.h"
36#include "iwl-devtrace.h"
37
38static inline void iwl_write8(struct iwl_priv *priv, u32 ofs, u8 val)
39{
40	trace_iwlwifi_dev_iowrite8(priv, ofs, val);
41	iowrite8(val, priv->hw_base + ofs);
42}
43
44static inline void iwl_write32(struct iwl_priv *priv, u32 ofs, u32 val)
45{
46	trace_iwlwifi_dev_iowrite32(priv, ofs, val);
47	iowrite32(val, priv->hw_base + ofs);
48}
49
50static inline u32 iwl_read32(struct iwl_priv *priv, u32 ofs)
51{
52	u32 val = ioread32(priv->hw_base + ofs);
53	trace_iwlwifi_dev_ioread32(priv, ofs, val);
54	return val;
55}
56
57void iwl_set_bit(struct iwl_priv *priv, u32 reg, u32 mask);
58void iwl_clear_bit(struct iwl_priv *priv, u32 reg, u32 mask);
59
60int iwl_poll_bit(struct iwl_priv *priv, u32 addr,
61		 u32 bits, u32 mask, int timeout);
62int iwl_poll_direct_bit(struct iwl_priv *priv, u32 addr, u32 mask,
63			int timeout);
64
65int iwl_grab_nic_access_silent(struct iwl_priv *priv);
66int iwl_grab_nic_access(struct iwl_priv *priv);
67void iwl_release_nic_access(struct iwl_priv *priv);
68
69u32 iwl_read_direct32(struct iwl_priv *priv, u32 reg);
70void iwl_write_direct32(struct iwl_priv *priv, u32 reg, u32 value);
71
72
73u32 iwl_read_prph(struct iwl_priv *priv, u32 reg);
74void iwl_write_prph(struct iwl_priv *priv, u32 addr, u32 val);
75void iwl_set_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask);
76void iwl_set_bits_mask_prph(struct iwl_priv *priv, u32 reg,
77			    u32 bits, u32 mask);
78void iwl_clear_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask);
79
80void _iwl_read_targ_mem_words(struct iwl_priv *priv, u32 addr,
81			      void *buf, int words);
82
83#define iwl_read_targ_mem_words(priv, addr, buf, bufsize)	\
84	do {							\
85		BUILD_BUG_ON((bufsize) % sizeof(u32));		\
86		_iwl_read_targ_mem_words(priv, addr, buf,	\
87					 (bufsize) / sizeof(u32));\
88	} while (0)
89
90u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr);
91void iwl_write_targ_mem(struct iwl_priv *priv, u32 addr, u32 val);
92#endif
93