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ARM: S3C24XX: machine support for Simtec Audio

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Add the platform/machine support for the audio devices fitted to
the Simtec range of boards since the move to ASoC.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2009-11-13 22:34:20 +00:00 committed by Ben Dooks
parent cf38367824
commit 4d3a3469db
7 changed files with 109 additions and 2 deletions
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7
arch/arm/mach-s3c2410/mach-bast.c
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@ -61,6 +61,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/cpu-freq.h>
#include <plat/audio-simtec.h>
#include "usb-simtec.h"
#include "nor-simtec.h"
@ -608,6 +609,11 @@ static struct s3c_cpufreq_board __initdata bast_cpufreq = {
.need_io = 1,
};
static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = {
.have_mic = 1,
.have_lout = 1,
};
static void __init bast_map_io(void)
{
/* initialise the clocks */
@ -647,6 +653,7 @@ static void __init bast_init(void)
usb_simtec_init();
nor_simtec_init();
simtec_audio_add(NULL, true, &bast_audio);
s3c_cpufreq_setboard(&bast_cpufreq);
}

2
arch/arm/mach-s3c2410/mach-vr1000.c
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@ -49,6 +49,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/iic.h>
#include <plat/audio-simtec.h>
#include "usb-simtec.h"
#include "nor-simtec.h"
@ -393,6 +394,7 @@ static void __init vr1000_init(void)
ARRAY_SIZE(vr1000_i2c_devs));
nor_simtec_init();
simtec_audio_add(NULL, true, NULL);
}
MACHINE_START(VR1000, "Thorcom-VR1000")

15
arch/arm/mach-s3c2440/mach-anubis.c
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@ -53,8 +53,9 @@
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/audio-simtec.h>
#define COPYRIGHT ", (c) 2005 Simtec Electronics"
#define COPYRIGHT ", (c) 2005-2009 Simtec Electronics"
static struct map_desc anubis_iodesc[] __initdata = {
/* ISA IO areas */
@ -437,6 +438,17 @@ static struct i2c_board_info anubis_i2c_devs[] __initdata = {
}
};
/* Audio setup */
static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = {
.have_mic = 1,
.have_lout = 1,
.output_cdclk = 1,
.use_mpllin = 1,
.amp_gpio = S3C2410_GPB(2),
.amp_gain[0] = S3C2410_GPD(10),
.amp_gain[1] = S3C2410_GPD(11),
};
static void __init anubis_map_io(void)
{
/* initialise the clocks */
@ -476,6 +488,7 @@ static void __init anubis_map_io(void)
static void __init anubis_init(void)
{
s3c_i2c0_set_platdata(NULL);
simtec_audio_add(NULL, false, &anubis_audio);
platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
i2c_register_board_info(0, anubis_i2c_devs,

2
arch/arm/plat-s3c/include/plat/audio-simtec.h
View File

@ -33,5 +33,5 @@ struct s3c24xx_audio_simtec_pdata {
void (*startup)(void);
};
extern int simtec_audio_add(const char *codec_name,
extern int simtec_audio_add(const char *codec_name, bool has_lr_routing,
struct s3c24xx_audio_simtec_pdata *pdata);

7
arch/arm/plat-s3c24xx/Kconfig
View File

@ -178,4 +178,11 @@ config MACH_SMDK
help
Common machine code for SMDK2410 and SMDK2440
config S3C24XX_SIMTEC_AUDIO
bool
depends on (ARCH_BAST || MACH_VR1000 || MACH_OSIRIS || MACH_ANUBIS)
default y
help
Add audio devices for common Simtec S3C24XX boards
endif

1
arch/arm/plat-s3c24xx/Makefile
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@ -55,3 +55,4 @@ obj-$(CONFIG_S3C24XX_SPI_BUS1_GPD8_GPD9_GPD10) += spi-bus1-gpd8_9_10.o
# machine common support
obj-$(CONFIG_MACH_SMDK) += common-smdk.o
obj-$(CONFIG_S3C24XX_SIMTEC_AUDIO) += simtec-audio.o

77
arch/arm/plat-s3c24xx/simtec-audio.c Normal file
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@ -0,0 +1,77 @@
/* 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/bast-map.h>
#include <mach/bast-irq.h>
#include <mach/bast-cpld.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <plat/audio-simtec.h>
#include <plat/devs.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;
}