aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/plat-s3c24xx/simtec-audio.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:43 -0800
commit79c9601c2e0dbbe69895d302de4d19f3a31fbd30 (patch)
tree78d4be2df851b2b4106adcfd736622a90cecf9e9 /arch/arm/plat-s3c24xx/simtec-audio.c
parent41440ffe21f29bdb985cab76b2d0b06d83e63b19 (diff)
parent3d14b5beba35250c548d3851a2b84fce742d8311 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (272 commits) Fix soc_common PCMCIA configuration ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver ARM: 5825/1: SA1100: h3600: update defconfig ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100 ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys ARM: 5822/1: SA1100: h3100/h3600: clean up #includes ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates ARM: 5820/1: SA1100: h3100/h3600: split h3600.c ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h ...
Diffstat (limited to 'arch/arm/plat-s3c24xx/simtec-audio.c')
-rw-r--r--arch/arm/plat-s3c24xx/simtec-audio.c77
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;
+}