1511ed5fdSRajeshwari Shinde /* 2511ed5fdSRajeshwari Shinde * Copyright (C) 2012 Samsung Electronics 3511ed5fdSRajeshwari Shinde * R. Chandrasekar < rcsekar@samsung.com> 4511ed5fdSRajeshwari Shinde * 5511ed5fdSRajeshwari Shinde * See file CREDITS for list of people who contributed to this 6511ed5fdSRajeshwari Shinde * project. 7511ed5fdSRajeshwari Shinde * 8511ed5fdSRajeshwari Shinde * This program is free software; you can redistribute it and/or 9511ed5fdSRajeshwari Shinde * modify it under the terms of the GNU General Public License as 10511ed5fdSRajeshwari Shinde * published by the Free Software Foundation; either version 2 of 11511ed5fdSRajeshwari Shinde * the License, or (at your option) any later version. 12511ed5fdSRajeshwari Shinde * 13511ed5fdSRajeshwari Shinde * This program is distributed in the hope that it will be useful, 14511ed5fdSRajeshwari Shinde * but WITHOUT ANY WARRANTY; without even the implied warranty of 15511ed5fdSRajeshwari Shinde * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16511ed5fdSRajeshwari Shinde * GNU General Public License for more details. 17511ed5fdSRajeshwari Shinde * 18511ed5fdSRajeshwari Shinde * You should have received a copy of the GNU General Public License 19511ed5fdSRajeshwari Shinde * along with this program; if not, write to the Free Software 20511ed5fdSRajeshwari Shinde * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21511ed5fdSRajeshwari Shinde * MA 02111-1307 USA 22511ed5fdSRajeshwari Shinde */ 23511ed5fdSRajeshwari Shinde 24511ed5fdSRajeshwari Shinde #ifndef __SOUND_H__ 25511ed5fdSRajeshwari Shinde #define __SOUND_H__ 26511ed5fdSRajeshwari Shinde 27511ed5fdSRajeshwari Shinde /* sound codec enum */ 28511ed5fdSRajeshwari Shinde enum en_sound_codec { 29511ed5fdSRajeshwari Shinde CODEC_WM_8994, 30511ed5fdSRajeshwari Shinde CODEC_WM_8995, 31511ed5fdSRajeshwari Shinde CODEC_MAX 32511ed5fdSRajeshwari Shinde }; 33511ed5fdSRajeshwari Shinde 34511ed5fdSRajeshwari Shinde /* sound codec enum */ 35511ed5fdSRajeshwari Shinde enum sound_compat { 36511ed5fdSRajeshwari Shinde AUDIO_COMPAT_SPI, 37511ed5fdSRajeshwari Shinde AUDIO_COMPAT_I2C, 38511ed5fdSRajeshwari Shinde }; 39511ed5fdSRajeshwari Shinde 40511ed5fdSRajeshwari Shinde /* Codec information structure to store the info from device tree */ 41511ed5fdSRajeshwari Shinde struct sound_codec_info { 42511ed5fdSRajeshwari Shinde int i2c_bus; 43511ed5fdSRajeshwari Shinde int i2c_dev_addr; 44511ed5fdSRajeshwari Shinde enum en_sound_codec codec_type; 45511ed5fdSRajeshwari Shinde }; 46511ed5fdSRajeshwari Shinde 47511ed5fdSRajeshwari Shinde /* 48511ed5fdSRajeshwari Shinde * Initialises audio sub system 49*f482310cSRajeshwari Shinde * @param blob Pointer of device tree node or NULL if none. 50511ed5fdSRajeshwari Shinde * @return int value 0 for success, -1 for error 51511ed5fdSRajeshwari Shinde */ 52*f482310cSRajeshwari Shinde int sound_init(const void *blob); 53511ed5fdSRajeshwari Shinde 54511ed5fdSRajeshwari Shinde /* 55511ed5fdSRajeshwari Shinde * plays the pcm data buffer in pcm_data.h through i2s1 to make the 56511ed5fdSRajeshwari Shinde * sine wave sound 57511ed5fdSRajeshwari Shinde * 58511ed5fdSRajeshwari Shinde * @return int 0 for success, -1 for error 59511ed5fdSRajeshwari Shinde */ 60511ed5fdSRajeshwari Shinde int sound_play(uint32_t msec, uint32_t frequency); 61511ed5fdSRajeshwari Shinde 62511ed5fdSRajeshwari Shinde #endif /* __SOUND__H__ */ 63