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authorMichael Sevakis <jethead71@rockbox.org>2010-04-09 01:21:53 +0000
committerMichael Sevakis <jethead71@rockbox.org>2010-04-09 01:21:53 +0000
commit7abf2b53a462612808d46d6d77a7f35261a0e5a3 (patch)
tree241304f7cd2b5d1c2a9e091fe56a33d2d2f8e816 /firmware/target/arm/imx31/gigabeat-s/i2c-imx31.h
parent43304b87b0662d1619ac60e5297a1694aa580310 (diff)
downloadrockbox-7abf2b53a462612808d46d6d77a7f35261a0e5a3.tar.gz
rockbox-7abf2b53a462612808d46d6d77a7f35261a0e5a3.zip
Gigabeat S/i.MX31: Sort files in the /target tree into things that are SoC-generic (into /imx31) and player-specific (into /gigabeat-s, based upon current appearances). Move i2s clock init into the appropriate file. Housekeeping only-- no functional changes.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25547 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx31/gigabeat-s/i2c-imx31.h')
-rw-r--r--firmware/target/arm/imx31/gigabeat-s/i2c-imx31.h78
1 files changed, 0 insertions, 78 deletions
diff --git a/firmware/target/arm/imx31/gigabeat-s/i2c-imx31.h b/firmware/target/arm/imx31/gigabeat-s/i2c-imx31.h
deleted file mode 100644
index b36acecfcb..0000000000
--- a/firmware/target/arm/imx31/gigabeat-s/i2c-imx31.h
+++ /dev/null
@@ -1,78 +0,0 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Michael Sevakis
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#ifndef I2C_IMX31_H
22#define I2C_IMX31_H
23
24#include <stdbool.h>
25
26/* I2C module usage masks */
27#define USE_I2C1_MODULE (1 << 0)
28#define USE_I2C2_MODULE (1 << 1)
29#define USE_I2C3_MODULE (1 << 2)
30
31enum i2c_module_number
32{
33 __I2C_NUM_START = -1,
34#if (I2C_MODULE_MASK & USE_I2C1_MODULE)
35 I2C1_NUM,
36#endif
37#if (I2C_MODULE_MASK & USE_I2C2_MODULE)
38 I2C2_NUM,
39#endif
40#if (I2C_MODULE_MASK & USE_I2C3_MODULE)
41 I2C3_NUM,
42#endif
43 I2C_NUM_I2C,
44};
45
46/* Module interface map structure */
47struct i2c_map
48{
49 volatile uint16_t iadr; /* 0x00 */
50 volatile uint16_t unused1;
51 volatile uint16_t ifdr; /* 0x04 */
52 volatile uint16_t unused2;
53 volatile uint16_t i2cr; /* 0x08 */
54 volatile uint16_t unused3;
55 volatile uint16_t i2sr; /* 0x0C */
56 volatile uint16_t unused4;
57 volatile uint16_t i2dr; /* 0x10 */
58};
59
60struct i2c_node
61{
62 enum i2c_module_number num; /* Module that this node uses */
63 unsigned int ifdr; /* Maximum frequency for node */
64 unsigned char addr; /* Slave address on module */
65};
66
67void i2c_init(void);
68/* Enable or disable the node - modules will be switch on/off accordingly. */
69void i2c_enable_node(struct i2c_node *node, bool enable);
70/* If addr < 0, then raw read */
71int i2c_read(struct i2c_node *node, int addr, unsigned char *data, int count);
72int i2c_write(struct i2c_node *node, const unsigned char *data, int count);
73/* Gain mutually-exclusive access to the node and module to perform multiple
74 * operations atomically */
75void i2c_lock_node(struct i2c_node *node);
76void i2c_unlock_node(struct i2c_node *node);
77
78#endif /* I2C_IMX31_H */