iwl-io.h revision 83ed90155f98bd949735c2cc22d832b557a6d7d1 
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 "iwl-devtrace.h"
33#include "iwl-shared.h"
34#include "iwl-bus.h"
35
36static inline void iwl_write8(struct iwl_bus *bus, u32 ofs, u8 val)
37{
38	trace_iwlwifi_dev_iowrite8(priv(bus), ofs, val);
39	bus_write8(bus, ofs, val);
40}
41
42static inline void iwl_write32(struct iwl_bus *bus, u32 ofs, u32 val)
43{
44	trace_iwlwifi_dev_iowrite32(priv(bus), ofs, val);
45	bus_write32(bus, ofs, val);
46}
47
48static inline u32 iwl_read32(struct iwl_bus *bus, u32 ofs)
49{
50	u32 val = bus_read32(bus, ofs);
51	trace_iwlwifi_dev_ioread32(priv(bus), ofs, val);
52	return val;
53}
54
55void iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask);
56void iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask);
57
58int iwl_poll_bit(struct iwl_bus *bus, u32 addr,
59		 u32 bits, u32 mask, int timeout);
60int iwl_poll_direct_bit(struct iwl_bus *bus, u32 addr, u32 mask,
61			int timeout);
62
63int iwl_grab_nic_access_silent(struct iwl_bus *bus);
64int iwl_grab_nic_access(struct iwl_bus *bus);
65void iwl_release_nic_access(struct iwl_bus *bus);
66
67u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg);
68void iwl_write_direct32(struct iwl_bus *bus, u32 reg, u32 value);
69
70
71u32 iwl_read_prph(struct iwl_bus *bus, u32 reg);
72void iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val);
73void iwl_set_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask);
74void iwl_set_bits_mask_prph(struct iwl_bus *bus, u32 reg,
75			    u32 bits, u32 mask);
76void iwl_clear_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask);
77
78void _iwl_read_targ_mem_words(struct iwl_bus *bus, u32 addr,
79			      void *buf, int words);
80
81#define iwl_read_targ_mem_words(bus, addr, buf, bufsize)	\
82	do {							\
83		BUILD_BUG_ON((bufsize) % sizeof(u32));		\
84		_iwl_read_targ_mem_words(bus, addr, buf,	\
85					 (bufsize) / sizeof(u32));\
86	} while (0)
87
88u32 iwl_read_targ_mem(struct iwl_bus *bus, u32 addr);
89void iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val);
90#endif
91