tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * arch/arm/plat-omap/include/mach/mcbsp.h
3 *
4 * Defines for Multi-Channel Buffered Serial Port
5 *
6 * Copyright (C) 2002 RidgeRun, Inc.
7 * Author: Steve Johnson
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24#ifndef __ASM_ARCH_OMAP_MCBSP_H
25#define __ASM_ARCH_OMAP_MCBSP_H
26
27#include <linux/spinlock.h>
28#include <linux/clk.h>
29
30#define MCBSP_CONFIG_TYPE2 0x2
31#define MCBSP_CONFIG_TYPE3 0x3
32#define MCBSP_CONFIG_TYPE4 0x4
33
34/* Platform specific configuration */
35struct omap_mcbsp_ops {
36 void (*request)(unsigned int);
37 void (*free)(unsigned int);
38};
39
40struct omap_mcbsp_platform_data {
41 struct omap_mcbsp_ops *ops;
42 u16 buffer_size;
43 u8 reg_size;
44 u8 reg_step;
45
46 /* McBSP platform and instance specific features */
47 bool has_wakeup; /* Wakeup capability */
48 bool has_ccr; /* Transceiver has configuration control registers */
49 int (*enable_st_clock)(unsigned int, bool);
50};
51
52/**
53 * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
54 * @sidetone: name of the sidetone device
55 */
56struct omap_mcbsp_dev_attr {
57 const char *sidetone;
58};
59
60#endif