Index: uspace/drv/audio/sb16/dsp_commands.h =================================================================== --- uspace/drv/audio/sb16/dsp_commands.h (revision b956810160375f2742785a7b127050ed86ba4ea9) +++ uspace/drv/audio/sb16/dsp_commands.h (revision b956810160375f2742785a7b127050ed86ba4ea9) @@ -0,0 +1,168 @@ +/* + * Copyright (c) 2011 Jan Vesely + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup drvaudiosb16 + * @{ + */ +/** @file + * @brief SB16 DSP Command constants + */ +#ifndef DRV_AUDIO_SB16_DSP_COMMANDS_H +#define DRV_AUDIO_SB16_DSP_COMMANDS_H + +/** See SoundBlaster Series HW programming Guide Chapter 6. */ +typedef enum dsp_command { + DIRECT_8B_OUTPUT = 0x20, /* Followed by unsigned byte of digital data, + * software controls sampling rate */ + DIRECT_8B_INPUT = 0x10, /* Same as DIRECT_8B_OUTPUT but for input */ + + TRANSFER_TIME_CONSTANT = 0x40, /* Followed by time constant. + * TC = 65536 - (256 000 000 / + * (channels * sampling rate)) + * Send only high byte */ + + SINGLE_DMA_8B_OUTPUT = 0x14, /* Followed by length.high and length.low + * starts single-cycle DMA, length is -1 */ + SINGLE_DMA_8B_INPUT = 0x24, /* Same as SINGLE_DMA_8B_OUTPUT, but for + * input */ + SINGLE_DMA_8B_ADPCM_2B_OUT = 0x16, /* Starts single-cycle DMA using + * Creative ADPSM 8->2 bit compressed + * data, Followed by length.low + * and length.high. Length is -1 */ + SINGLE_DMA_8B_ADPCM_2B_OUT_REF = 0x17, /* Starts single-cycle DMA using + * DPSM 8->2 bit compressed data + * with reference byte. + * Followed by length.low and + * length.high. Length is -1 */ + SINGLE_DMA_8B_ADPCM_4B_OUT = 0x74, /* Same as + * SINGLE_DMA_8B_ADPCM_2B_OUT */ + SINGLE_DMA_8B_ADPCM_4B_OUT_REF = 0x75, /* Same as + * SINGLE_DMA_8B_ADPCM_2B_OUT_REF + */ + SINGLE_DMA_8B_ADPCM_3B_OUT = 0x76, /* Same as + * SINGLE_DMA_8B_ADPCM_2B_OUT */ + SINGLE_DMA_8B_ADPCM_3B_OUT_REF = 0x77, /* Same as + * SINGLE_DMA_8B_ADPCM_2B_OUT_REF + */ + + DMA_8B_PAUSE = 0xd0, /* Stop sending DMA request, + * works for SINGLE and AUTO */ + DMA_8B_CONTINUE = 0xd4, /* Resume transfers paused by DMA_8B_PAUSE */ + + SPEAKER_ON = 0xd1, /* Connect speaker via internal amplifier, + * has no effect on 4.xx */ + SPEAKER_OFF = 0xd3, /* Disconnect output from the amplifier, + * has no effect on 4.xx */ + + MIDI_POLLING = 0x30, /* Read DSP for MIDI data */ + MIDI_INTERRUPT = 0x31, /* Start interrupt mode, interrupt will be + * generated when there is in-bound data. + * To exit send again */ + MIDI_OUTPUT = 0x38, /* Followed by midi_data */ + + PAUSE = 0x80, /* Followed by duration.low, duration.high. Duration is -1 + * In the units of sampling period. Generates interrupt + * at the end of period */ + DSP_VERSION = 0xe1, /* Read 2 bytes, major and minor number */ + + AUTO_DMA_8B_OUTPUT = 0x1c, /* Starts auto-init DMA mode using 8-bit + * Interrupt after every block. + * To terminate, switch to single or use + * EXIT command*/ + AUTO_DMA_8B_INPUT = 0x2c, /* Same as AUTO_DMA_8B_OUTPUT, but for input*/ + AUTO_DMA_8B_ADPCM_2B_REF = 0x1f, /* Same as AUTO_DMA_8B_OUTPUT, but use + * 8->2bit ADPCM audio format */ + AUTO_DMA_8B_ADPCM_4B_REF = 0x7d, /* Same as AUTO_DMA_8B_ADPCM_2B_REF */ + AUTO_DMA_8B_ADPCM_3B_REF = 0x7f, /* Same as AUTO_DMA_8B_ADPCM_2B_REF */ + + DMA_8B_EXIT = 0xda, /* Ends DMA transfer and terminates I/O process */ + + BLOCK_TRANSFER_SIZE = 0x48, /* Followed by size.low, size.high + * Used with HIGH_SPEED AUTO_DMA */ + + UART_MIDI_POLLING = 0x34, /* Start UART MIDI polling mode, read and + * write from/to DSP is interpreted as + * read/write from/to MIDI. + * To exit use reset signal. Note that reset + * will restore previous state and won't do + * complete reset */ + UART_MIDI_INTERRUPT = 0x35, /* Same as UART_MIDI_POLLING, but use + * interrupts instead of polling. */ + UART_MIDI_POLLING_TS = 0x36, /* Add time stamp to inbound data, the + * order is time.low time.mid time.high + * data */ + UART_MIDI_INTERRUPT_TS = 0x37, /* Same as UART_MIDI_POLLING_TS, but use + * interrupts instead of polling */ + + SPEAKER_STATUS = 0xd8, /* 0xff means amp is on, 0x00 means it's off */ + + AUTO_DMA_8B_HIGH_OUTPUT = 0x90, /* DSP will generate interrupt after + * every block. No other commands are + * accepted in this mode. To exit + * the mode send RESET command. + * Note that reset will restore + * previous state. */ + AUTO_DMA_8B_HIGH_INPUT = 0x98, /* Same as AUTO_DMA_8B_HIGH_OUTPUT */ + SINGLE_DMA_8B_HIGH_OUTPUT = 0x91, /* Transfer one block and exit, + * generates interrupt */ + SINGLE_DMA_8B_HIGH_INPUT = 0x99, /* Same as SINGLE_DMA_8B_HIGH_OUTPUT */ + + SET_MONO_INPUT = 0xa0, /* Mono mode is the default, only on 3.xx */ + SET_STEREO_INPUT = 0xa8, /* switch to stereo recording, only on 3.xx */ + + SET_SAMPLING_RATE_OUTPUT = 0x41, /* Followed by sapling rate + * 5000 to 45000 Hz, inclusive */ + SET_SAMPLING_RATE_INPUT = 0x42, /* Same as SET_SAMPLING_RATE_OUTPUT */ + + SINGLE_DMA_16B_DA = 0xb0, /* Followed by mode, size.low, size.high*/ + SINGLE_DMA_16B_DA_FIFO = 0xb2,/* mode format is: */ + AUTO_DMA_16B_DA = 0xb4, /* 0x00 - unsigned mono */ + AUTO_DMA_16B_DA_FIFO = 0xb6, /* 0x10 - signed mono */ + SINGLE_DMA_16B_AD = 0xb8, /* 0x20 - unsigned stereo */ + SINGLE_DMA_16B_AD_FIFO = 0xba,/* 0x30 - signed stereo */ + AUTO_DMA_16B_AD = 0xbc, /* Size is -1. Terminate by EXIT */ + AUTO_DMA_16B_AD_FIFO = 0xbe, /* or switch to SINGLE_DMA */ + + SINGLE_DMA_8B_DA = 0xc0, /* Followed by mode, size.low, size.high */ + SINGLE_DMA_8B_DA_FIFO = 0xc2,/* mode format is: */ + AUTO_DMA_8B_DA = 0xc4, /* 0x00 - unsigned mono */ + AUTO_DMA_8B_DA_FIFO = 0xc6, /* 0x10 - signed mono */ + SINGLE_DMA_8B_AD = 0xc8, /* 0x20 - unsigned stereo */ + SINGLE_DMA_8B_AD_FIFO = 0xca,/* 0x30 - signed stereo */ + AUTO_DMA_8B_AD = 0xcc, /* Size is -1. Terminate by EXIT */ + AUTO_DMA_8B_AD_FIFO = 0xce, /* or switch to SINGLE_DMA */ + + DMA_16B_PAUSE = 0xd5,/* Stop sending DMA request, both SINGLE and AUTO*/ + DMA_16B_CONTINUE = 0xd6, /* Resume requests paused by DMA_16B_PAUSE */ + DMA_16B_EXIT = 0xd9, /* Ends DMA transfer and terminates I/O process */ +} dsp_command_t; + +#endif +/** + * @} + */