From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/mach-s3c/simtec-audio.c | 76 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 arch/arm/mach-s3c/simtec-audio.c (limited to 'arch/arm/mach-s3c/simtec-audio.c') diff --git a/arch/arm/mach-s3c/simtec-audio.c b/arch/arm/mach-s3c/simtec-audio.c new file mode 100644 index 000000000..487485bcc --- /dev/null +++ b/arch/arm/mach-s3c/simtec-audio.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2009 Simtec Electronics +// http://armlinux.simtec.co.uk/ +// Ben Dooks +// +// Audio setup for various Simtec S3C24XX implementations + +#include +#include +#include +#include +#include + +#include "regs-gpio.h" +#include "gpio-samsung.h" +#include "gpio-cfg.h" + +#include +#include "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; + + /* Configure the I2S pins (GPE0...GPE4) in correct mode */ + s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), + S3C_GPIO_PULL_NONE); + + platform_device_register(&s3c_device_iis); + platform_device_register(&simtec_audio_dev); + return 0; +} -- cgit v1.2.3