diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-05 16:14:15 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:48 +0100 |
commit | a09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch) | |
tree | 69689f467179891b498bd7423fcf61925173db31 /arch/arm/plat-omap/include/mach/eac.h | |
parent | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff) |
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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 000000000000..9e62cf030270 --- /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 */ |