| /* |
| * arch/arm/plat-ambarella/include/plat/audio.h |
| * |
| * Author: Anthony Ginger <hfjiang@ambarella.com> |
| * |
| * Copyright (C) 2004-2010, Ambarella, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #ifndef __PLAT_AMBARELLA_AUDIO_H |
| #define __PLAT_AMBARELLA_AUDIO_H |
| |
| /* ==========================================================================*/ |
| #define DAI_CLOCK_MASK 0x0000001f |
| |
| #define MAX_MCLK_IDX_NUM 15 |
| |
| /* ==========================================================================*/ |
| #ifndef __ASSEMBLER__ |
| |
| struct notifier_block; |
| |
| struct ambarella_i2s_interface { |
| u8 state; |
| u8 mode; |
| u8 sfreq; |
| u8 clksrc; |
| u8 ms_mode; |
| u8 mclk; |
| u8 ch; |
| u8 oversample; |
| u8 word_order; |
| u8 word_len; |
| u8 word_pos; |
| u8 slots; |
| }; |
| |
| #define MAX_OVERSAMPLE_IDX_NUM 9 |
| enum AudioCodec_OverSample { |
| AudioCodec_128xfs = 0, |
| AudioCodec_256xfs = 1, |
| AudioCodec_384xfs = 2, |
| AudioCodec_512xfs = 3, |
| AudioCodec_768xfs = 4, |
| AudioCodec_1024xfs = 5, |
| AudioCodec_1152xfs = 6, |
| AudioCodec_1536xfs = 7, |
| AudioCodec_2304xfs = 8 |
| }; |
| |
| enum AudioCodec_MCLK { |
| AudioCodec_18_432M = 0, |
| AudioCodec_16_9344M = 1, |
| AudioCodec_12_288M = 2, |
| AudioCodec_11_2896M = 3, |
| AudioCodec_9_216M = 4, |
| AudioCodec_8_4672M = 5, |
| AudioCodec_8_192M = 6, |
| AudioCodec_6_144 = 7, |
| AudioCodec_5_6448M = 8, |
| AudioCodec_4_608M = 9, |
| AudioCodec_4_2336M = 10, |
| AudioCodec_4_096M = 11, |
| AudioCodec_3_072M = 12, |
| AudioCodec_2_8224M = 13, |
| AudioCodec_2_048M = 14 |
| }; |
| |
| enum audio_in_freq_e |
| { |
| AUDIO_SF_reserved = 0, |
| AUDIO_SF_96000, |
| AUDIO_SF_48000, |
| AUDIO_SF_44100, |
| AUDIO_SF_32000, |
| AUDIO_SF_24000, |
| AUDIO_SF_22050, |
| AUDIO_SF_16000, |
| AUDIO_SF_12000, |
| AUDIO_SF_11025, |
| AUDIO_SF_8000, |
| }; |
| |
| enum Audio_Notify_Type |
| { |
| AUDIO_NOTIFY_UNKNOWN, |
| AUDIO_NOTIFY_INIT, |
| AUDIO_NOTIFY_SETHWPARAMS, |
| AUDIO_NOTIFY_REMOVE |
| }; |
| |
| enum DAI_Mode |
| { |
| DAI_leftJustified_Mode = 0, |
| DAI_rightJustified_Mode = 1, |
| DAI_MSBExtend_Mode = 2, |
| DAI_I2S_Mode = 4, |
| DAI_DSP_Mode = 6 |
| }; |
| |
| enum DAI_MS_MODE |
| { |
| DAI_SLAVE = 0, |
| DAI_MASTER = 1 |
| }; |
| |
| enum DAI_resolution |
| { |
| DAI_16bits = 0, |
| DAI_18bits = 1, |
| DAI_20bits = 2, |
| DAI_24bits = 3, |
| DAI_32bits = 4 |
| |
| }; |
| |
| enum DAI_ifunion |
| { |
| DAI_union = 0, |
| DAI_nonunion = 1 |
| }; |
| |
| enum DAI_WordOrder |
| { |
| DAI_MSB_FIRST = 0, |
| DAI_LSB_FIRST = 1 |
| }; |
| |
| enum DAI_INIT_CTL |
| { |
| DAI_FIFO_RST = 1, |
| DAI_RX_EN = 2, |
| DAI_TX_EN = 4 |
| }; |
| |
| #define DAI_32slots 32 |
| #define DAI_64slots 64 |
| #define DAI_48slots 48 |
| |
| #define AMBARELLA_CLKSRC_ONCHIP AUC_CLK_ONCHIP_PLL_27MHZ |
| #define AMBARELLA_CLKSRC_EXTERNAL AUC_CLK_EXTERNAL |
| #define AMBARELLA_CLKDIV_LRCLK 0 |
| |
| struct ambarella_i2s_controller { |
| void (*aucodec_digitalio_0)(void); |
| void (*aucodec_digitalio_1)(void); |
| void (*aucodec_digitalio_2)(void); |
| void (*channel_select)(u32); |
| void (*set_audio_pll)(u8, u8); |
| }; |
| |
| /* ==========================================================================*/ |
| extern struct platform_device ambarella_i2s0; |
| extern struct platform_device ambarella_pcm0; |
| extern struct platform_device ambarella_dummy_codec0; |
| |
| extern u32 alsa_tx_enable_flag; |
| |
| /* ==========================================================================*/ |
| extern int ambarella_init_audio(void); |
| |
| extern void ambarella_audio_notify_transition(struct ambarella_i2s_interface *data, unsigned int type); |
| extern int ambarella_audio_register_notifier(struct notifier_block *nb); |
| extern int ambarella_audio_unregister_notifier(struct notifier_block *nb); |
| |
| extern struct ambarella_i2s_interface get_audio_i2s_interface(void); |
| |
| #endif /* __ASSEMBLER__ */ |
| /* ==========================================================================*/ |
| |
| #endif |
| |