diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
commit | 49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch) | |
tree | f14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/plat-omap/include/mach/eac.h | |
parent | f1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff) | |
parent | 097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff) |
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB
[ARM] 5166/1: magician: add MAINTAINERS entry
[ARM] fix pnx4008 build errors
[ARM] Fix SMP booting with non-zero PHYS_OFFSET
[ARM] 5185/1: Fix spi num_chipselect for lubbock
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
[ARM] Eliminate useless includes of asm/mach-types.h
[ARM] Fix circular include dependency with IRQ headers
avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>
avr32: Introduce arch/avr32/mach-*/include/mach
avr32: Move include/asm-avr32 to arch/avr32/include/asm
[ARM] sa1100_wdt: use reset_status to remember watchdog reset status
[ARM] pxa: introduce reset_status and clear_reset_status for driver's usage
[ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/plat-omap/include/mach/eac.h')
-rw-r--r-- | arch/arm/plat-omap/include/mach/eac.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/eac.h b/arch/arm/plat-omap/include/mach/eac.h new file mode 100644 index 00000000000..9e62cf03027 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/eac.h @@ -0,0 +1,100 @@ +/* + * arch/arm/plat-omap/include/mach2/eac.h + * + * Defines for Enhanced Audio Controller + * + * Contact: Jarkko Nikula <jarkko.nikula@nokia.com> + * + * Copyright (C) 2006 Nokia Corporation + * Copyright (C) 2004 Texas Instruments, Inc. + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __ASM_ARM_ARCH_OMAP2_EAC_H +#define __ASM_ARM_ARCH_OMAP2_EAC_H + +#include <mach/io.h> +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <sound/core.h> + +/* master codec clock source */ +#define EAC_MCLK_EXT_MASK 0x100 +enum eac_mclk_src { + EAC_MCLK_INT_11290000, /* internal 96 MHz / 8.5 = 11.29 Mhz */ + EAC_MCLK_EXT_11289600 = EAC_MCLK_EXT_MASK, + EAC_MCLK_EXT_12288000, + EAC_MCLK_EXT_2x11289600, + EAC_MCLK_EXT_2x12288000, +}; + +/* codec port interface mode */ +enum eac_codec_mode { + EAC_CODEC_PCM, + EAC_CODEC_AC97, + EAC_CODEC_I2S_MASTER, /* codec port, I.e. EAC is the master */ + EAC_CODEC_I2S_SLAVE, +}; + +/* configuration structure for I2S mode */ +struct eac_i2s_conf { + /* if enabled, then first data slot (left channel) is signaled as + * positive level of frame sync EAC.AC_FS */ + unsigned polarity_changed_mode:1; + /* if enabled, then serial data starts one clock cycle after the + * of EAC.AC_FS for first audio slot */ + unsigned sync_delay_enable:1; +}; + +/* configuration structure for EAC codec port */ +struct eac_codec { + enum eac_mclk_src mclk_src; + + enum eac_codec_mode codec_mode; + union { + struct eac_i2s_conf i2s; + } codec_conf; + + int default_rate; /* audio sampling rate */ + + int (* set_power)(void *private_data, int dac, int adc); + int (* register_controls)(void *private_data, + struct snd_card *card); + const char *short_name; + + void *private_data; +}; + +/* structure for passing platform dependent data to the EAC driver */ +struct eac_platform_data { + int (* init)(struct device *eac_dev); + void (* cleanup)(struct device *eac_dev); + /* these callbacks are used to configure & control external MCLK + * source. NULL if not used */ + int (* enable_ext_clocks)(struct device *eac_dev); + void (* disable_ext_clocks)(struct device *eac_dev); +}; + +extern void omap_init_eac(struct eac_platform_data *pdata); + +extern int eac_register_codec(struct device *eac_dev, struct eac_codec *codec); +extern void eac_unregister_codec(struct device *eac_dev); + +extern int eac_set_mode(struct device *eac_dev, int play, int rec); + +#endif /* __ASM_ARM_ARCH_OMAP2_EAC_H */ |