io.h revision 0c2a6ce04eb4d742170a4ddfeb57263fb7964698 
1/*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
5 * Copyright (C) 2008-2010 Nokia Corporation
6 *
7 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25#ifndef __IO_H__
26#define __IO_H__
27
28#include <linux/irqreturn.h>
29
30#define HW_ACCESS_MEMORY_MAX_RANGE	0x1FFC0
31
32#define HW_PARTITION_REGISTERS_ADDR     0x1FFC0
33#define HW_PART0_SIZE_ADDR              (HW_PARTITION_REGISTERS_ADDR)
34#define HW_PART0_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 4)
35#define HW_PART1_SIZE_ADDR              (HW_PARTITION_REGISTERS_ADDR + 8)
36#define HW_PART1_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 12)
37#define HW_PART2_SIZE_ADDR              (HW_PARTITION_REGISTERS_ADDR + 16)
38#define HW_PART2_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 20)
39#define HW_PART3_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 24)
40
41#define HW_ACCESS_REGISTER_SIZE         4
42
43#define HW_ACCESS_PRAM_MAX_RANGE	0x3c000
44
45struct wl1271;
46
47void wlcore_disable_interrupts(struct wl1271 *wl);
48void wlcore_disable_interrupts_nosync(struct wl1271 *wl);
49void wlcore_enable_interrupts(struct wl1271 *wl);
50
51void wl1271_io_reset(struct wl1271 *wl);
52void wl1271_io_init(struct wl1271 *wl);
53int wlcore_translate_addr(struct wl1271 *wl, int addr);
54
55/* Raw target IO, address is not translated */
56static inline int wlcore_raw_write(struct wl1271 *wl, int addr, void *buf,
57				   size_t len, bool fixed)
58{
59	return wl->if_ops->write(wl->dev, addr, buf, len, fixed);
60}
61
62static inline int wlcore_raw_read(struct wl1271 *wl, int addr, void *buf,
63				  size_t len, bool fixed)
64{
65	return wl->if_ops->read(wl->dev, addr, buf, len, fixed);
66}
67
68static inline void wlcore_raw_read_data(struct wl1271 *wl, int reg, void *buf,
69					size_t len, bool fixed)
70{
71	wlcore_raw_read(wl, wl->rtable[reg], buf, len, fixed);
72}
73
74static inline void wlcore_raw_write_data(struct wl1271 *wl, int reg, void *buf,
75					 size_t len, bool fixed)
76{
77	wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed);
78}
79
80static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr)
81{
82	wlcore_raw_read(wl, addr, &wl->buffer_32,
83			    sizeof(wl->buffer_32), false);
84
85	return le32_to_cpu(wl->buffer_32);
86}
87
88static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val)
89{
90	wl->buffer_32 = cpu_to_le32(val);
91	wlcore_raw_write(wl, addr, &wl->buffer_32,
92			     sizeof(wl->buffer_32), false);
93}
94
95static inline void wl1271_read(struct wl1271 *wl, int addr, void *buf,
96			       size_t len, bool fixed)
97{
98	int physical;
99
100	physical = wlcore_translate_addr(wl, addr);
101
102	wlcore_raw_read(wl, physical, buf, len, fixed);
103}
104
105static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf,
106				size_t len, bool fixed)
107{
108	int physical;
109
110	physical = wlcore_translate_addr(wl, addr);
111
112	wlcore_raw_write(wl, physical, buf, len, fixed);
113}
114
115static inline void wlcore_write_data(struct wl1271 *wl, int reg, void *buf,
116				     size_t len, bool fixed)
117{
118	wl1271_write(wl, wl->rtable[reg], buf, len, fixed);
119}
120
121static inline void wlcore_read_data(struct wl1271 *wl, int reg, void *buf,
122				    size_t len, bool fixed)
123{
124	wl1271_read(wl, wl->rtable[reg], buf, len, fixed);
125}
126
127static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr,
128				      void *buf, size_t len, bool fixed)
129{
130	int physical;
131	int addr;
132
133	/* Addresses are stored internally as addresses to 32 bytes blocks */
134	addr = hwaddr << 5;
135
136	physical = wlcore_translate_addr(wl, addr);
137
138	wlcore_raw_read(wl, physical, buf, len, fixed);
139}
140
141static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
142{
143	return wl1271_raw_read32(wl, wlcore_translate_addr(wl, addr));
144}
145
146static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
147{
148	wl1271_raw_write32(wl, wlcore_translate_addr(wl, addr), val);
149}
150
151static inline u32 wlcore_read_reg(struct wl1271 *wl, int reg)
152{
153	return wl1271_raw_read32(wl,
154				 wlcore_translate_addr(wl, wl->rtable[reg]));
155}
156
157static inline void wlcore_write_reg(struct wl1271 *wl, int reg, u32 val)
158{
159	wl1271_raw_write32(wl, wlcore_translate_addr(wl, wl->rtable[reg]), val);
160}
161
162static inline void wl1271_power_off(struct wl1271 *wl)
163{
164	int ret;
165
166	if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags))
167		return;
168
169	ret = wl->if_ops->power(wl->dev, false);
170	if (!ret)
171		clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
172}
173
174static inline int wl1271_power_on(struct wl1271 *wl)
175{
176	int ret = wl->if_ops->power(wl->dev, true);
177	if (ret == 0)
178		set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
179
180	return ret;
181}
182
183void wlcore_set_partition(struct wl1271 *wl,
184			  const struct wlcore_partition_set *p);
185
186bool wl1271_set_block_size(struct wl1271 *wl);
187
188/* Functions from wl1271_main.c */
189
190int wl1271_tx_dummy_packet(struct wl1271 *wl);
191
192void wlcore_select_partition(struct wl1271 *wl, u8 part);
193
194#endif
195