blob: 67cb5120dfeb5dc5cc4d7a70d44571eebcce9ab6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* linux/arch/arm/plat-s3c24xx/simtec-audio.c
*
* Copyright (c) 2009 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
* Audio setup for various Simtec S3C24XX implementations
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <linux/platform_data/asoc-s3c24xx_simtec.h>
#include <plat/devs.h>
#include "bast.h"
#include "simtec.h"
/* platform ops for audio */
static void simtec_audio_startup_lrroute(void)
{
unsigned int tmp;
unsigned long flags;
local_irq_save(flags);
tmp = __raw_readb(BAST_VA_CTRL1);
tmp &= ~BAST_CPLD_CTRL1_LRMASK;
tmp |= BAST_CPLD_CTRL1_LRCDAC;
__raw_writeb(tmp, BAST_VA_CTRL1);
local_irq_restore(flags);
}
static struct s3c24xx_audio_simtec_pdata simtec_audio_platdata;
static char our_name[32];
static struct platform_device simtec_audio_dev = {
.name = our_name,
.id = -1,
.dev = {
.parent = &s3c_device_iis.dev,
.platform_data = &simtec_audio_platdata,
},
};
int __init simtec_audio_add(const char *name, bool has_lr_routing,
struct s3c24xx_audio_simtec_pdata *spd)
{
if (!name)
name = "tlv320aic23";
snprintf(our_name, sizeof(our_name)-1, "s3c24xx-simtec-%s", name);
/* copy platform data so the source can be __initdata */
if (spd)
simtec_audio_platdata = *spd;
if (has_lr_routing)
simtec_audio_platdata.startup = simtec_audio_startup_lrroute;
platform_device_register(&s3c_device_iis);
platform_device_register(&simtec_audio_dev);
return 0;
}
|
