diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
commit | bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch) | |
tree | 2f6dffd2d3e4dd67355a224de7e7a960335a92fd /arch/arm/plat-s3c24xx/simtec-audio.c | |
parent | 11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff) | |
parent | 3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff) |
Merge commit 'origin/master' into next
Conflicts:
include/linux/kvm.h
Diffstat (limited to 'arch/arm/plat-s3c24xx/simtec-audio.c')
-rw-r--r-- | arch/arm/plat-s3c24xx/simtec-audio.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/simtec-audio.c b/arch/arm/plat-s3c24xx/simtec-audio.c new file mode 100644 index 00000000000..6bc832e0d8e --- /dev/null +++ b/arch/arm/plat-s3c24xx/simtec-audio.c @@ -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; +} |