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Dmitry Baryshkov918dbcb2008-07-02 13:53:45 +01001/*
2 * linux/arch/arm/mach-pxa/pxa2xx.c
3 *
4 * code specific to pxa2xx
5 *
6 * Copyright (C) 2008 Dmitry Baryshkov
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/kernel.h>
15#include <linux/device.h>
16
Russell Kingafd2fc02008-08-07 11:05:25 +010017#include <mach/hardware.h>
18#include <mach/pxa2xx-regs.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010019#include <mach/mfp-pxa25x.h>
Russell Kingafd2fc02008-08-07 11:05:25 +010020#include <mach/reset.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010021#include <mach/irda.h>
Dmitry Baryshkov918dbcb2008-07-02 13:53:45 +010022
Eric Miao04fef222008-07-29 14:26:00 +080023void pxa2xx_clear_reset_status(unsigned int mask)
24{
25 /* RESET_STATUS_* has a 1:1 mapping with RCSR */
26 RCSR = mask;
27}
28
Dmitry Baryshkov918dbcb2008-07-02 13:53:45 +010029static unsigned long pxa2xx_mfp_fir[] = {
30 GPIO46_FICP_RXD,
31 GPIO47_FICP_TXD,
32};
33
34static unsigned long pxa2xx_mfp_sir[] = {
35 GPIO46_STUART_RXD,
36 GPIO47_STUART_TXD,
37};
38
39static unsigned long pxa2xx_mfp_off[] = {
40 GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
41 GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
42};
43
44void pxa2xx_transceiver_mode(struct device *dev, int mode)
45{
46 if (mode & IR_OFF) {
47 pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
48 } else if (mode & IR_SIRMODE) {
49 pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
50 } else if (mode & IR_FIRMODE) {
51 pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
52 } else
53 BUG();
54}
Marek Vasutc4bd0172009-07-17 12:50:43 +020055EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);